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2660d12d KS |
1 | //===-- sanitizer_common_interceptors.inc -----------------------*- C++ -*-===// |
2 | // | |
b667dd70 ML |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. | |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |
2660d12d KS |
6 | // |
7 | //===----------------------------------------------------------------------===// | |
8 | // | |
9 | // Common function interceptors for tools like AddressSanitizer, | |
10 | // ThreadSanitizer, MemorySanitizer, etc. | |
11 | // | |
12 | // This file should be included into the tool's interceptor file, | |
10189819 | 13 | // which has to define its own macros: |
2660d12d | 14 | // COMMON_INTERCEPTOR_ENTER |
866e32ad | 15 | // COMMON_INTERCEPTOR_ENTER_NOIGNORE |
2660d12d KS |
16 | // COMMON_INTERCEPTOR_READ_RANGE |
17 | // COMMON_INTERCEPTOR_WRITE_RANGE | |
df77f0e4 | 18 | // COMMON_INTERCEPTOR_INITIALIZE_RANGE |
696d846a | 19 | // COMMON_INTERCEPTOR_DIR_ACQUIRE |
2660d12d KS |
20 | // COMMON_INTERCEPTOR_FD_ACQUIRE |
21 | // COMMON_INTERCEPTOR_FD_RELEASE | |
df77f0e4 | 22 | // COMMON_INTERCEPTOR_FD_ACCESS |
2660d12d | 23 | // COMMON_INTERCEPTOR_SET_THREAD_NAME |
696d846a | 24 | // COMMON_INTERCEPTOR_ON_DLOPEN |
df77f0e4 | 25 | // COMMON_INTERCEPTOR_ON_EXIT |
5d3805fc JJ |
26 | // COMMON_INTERCEPTOR_MUTEX_PRE_LOCK |
27 | // COMMON_INTERCEPTOR_MUTEX_POST_LOCK | |
df77f0e4 KS |
28 | // COMMON_INTERCEPTOR_MUTEX_UNLOCK |
29 | // COMMON_INTERCEPTOR_MUTEX_REPAIR | |
30 | // COMMON_INTERCEPTOR_SET_PTHREAD_NAME | |
31 | // COMMON_INTERCEPTOR_HANDLE_RECVMSG | |
866e32ad | 32 | // COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED |
5d3805fc JJ |
33 | // COMMON_INTERCEPTOR_MEMSET_IMPL |
34 | // COMMON_INTERCEPTOR_MEMMOVE_IMPL | |
35 | // COMMON_INTERCEPTOR_MEMCPY_IMPL | |
eac97531 | 36 | // COMMON_INTERCEPTOR_MMAP_IMPL |
5d3805fc JJ |
37 | // COMMON_INTERCEPTOR_COPY_STRING |
38 | // COMMON_INTERCEPTOR_STRNDUP_IMPL | |
3ca75cd5 | 39 | // COMMON_INTERCEPTOR_STRERROR |
2660d12d | 40 | //===----------------------------------------------------------------------===// |
696d846a | 41 | |
2660d12d | 42 | #include "interception/interception.h" |
dee5ea7a | 43 | #include "sanitizer_addrhashmap.h" |
5d3805fc | 44 | #include "sanitizer_errno.h" |
dee5ea7a | 45 | #include "sanitizer_placement_new.h" |
2660d12d | 46 | #include "sanitizer_platform_interceptors.h" |
5d3805fc | 47 | #include "sanitizer_symbolizer.h" |
dee5ea7a | 48 | #include "sanitizer_tls_get_addr.h" |
2660d12d KS |
49 | |
50 | #include <stdarg.h> | |
51 | ||
696d846a | 52 | #if SANITIZER_INTERCEPTOR_HOOKS |
5d3805fc JJ |
53 | #define CALL_WEAK_INTERCEPTOR_HOOK(f, ...) f(__VA_ARGS__); |
54 | #define DECLARE_WEAK_INTERCEPTOR_HOOK(f, ...) \ | |
55 | SANITIZER_INTERFACE_WEAK_DEF(void, f, __VA_ARGS__) {} | |
696d846a MO |
56 | #else |
57 | #define DECLARE_WEAK_INTERCEPTOR_HOOK(f, ...) | |
58 | #define CALL_WEAK_INTERCEPTOR_HOOK(f, ...) | |
59 | ||
60 | #endif // SANITIZER_INTERCEPTOR_HOOKS | |
61 | ||
df77f0e4 | 62 | #if SANITIZER_WINDOWS && !defined(va_copy) |
b4ab7d34 KS |
63 | #define va_copy(dst, src) ((dst) = (src)) |
64 | #endif // _WIN32 | |
65 | ||
c5be964a KS |
66 | #if SANITIZER_FREEBSD |
67 | #define pthread_setname_np pthread_set_name_np | |
696d846a MO |
68 | #define inet_aton __inet_aton |
69 | #define inet_pton __inet_pton | |
70 | #define iconv __bsd_iconv | |
c5be964a KS |
71 | #endif |
72 | ||
eac97531 ML |
73 | #if SANITIZER_NETBSD |
74 | #define clock_getres __clock_getres50 | |
75 | #define clock_gettime __clock_gettime50 | |
76 | #define clock_settime __clock_settime50 | |
77 | #define ctime __ctime50 | |
78 | #define ctime_r __ctime_r50 | |
79 | #define devname __devname50 | |
b667dd70 ML |
80 | #define fgetpos __fgetpos50 |
81 | #define fsetpos __fsetpos50 | |
3c6331c2 ML |
82 | #define fstatvfs __fstatvfs90 |
83 | #define fstatvfs1 __fstatvfs190 | |
b667dd70 ML |
84 | #define fts_children __fts_children60 |
85 | #define fts_close __fts_close60 | |
86 | #define fts_open __fts_open60 | |
87 | #define fts_read __fts_read60 | |
88 | #define fts_set __fts_set60 | |
eac97531 | 89 | #define getitimer __getitimer50 |
3c6331c2 | 90 | #define getmntinfo __getmntinfo90 |
eac97531 ML |
91 | #define getpwent __getpwent50 |
92 | #define getpwnam __getpwnam50 | |
93 | #define getpwnam_r __getpwnam_r50 | |
94 | #define getpwuid __getpwuid50 | |
95 | #define getpwuid_r __getpwuid_r50 | |
96 | #define getutent __getutent50 | |
97 | #define getutxent __getutxent50 | |
98 | #define getutxid __getutxid50 | |
99 | #define getutxline __getutxline50 | |
3c6331c2 | 100 | #define getvfsstat __getvfsstat90 |
b667dd70 | 101 | #define pututxline __pututxline50 |
eac97531 ML |
102 | #define glob __glob30 |
103 | #define gmtime __gmtime50 | |
104 | #define gmtime_r __gmtime_r50 | |
105 | #define localtime __locatime50 | |
106 | #define localtime_r __localtime_r50 | |
107 | #define mktime __mktime50 | |
108 | #define lstat __lstat50 | |
109 | #define opendir __opendir30 | |
110 | #define readdir __readdir30 | |
111 | #define readdir_r __readdir_r30 | |
112 | #define scandir __scandir30 | |
113 | #define setitimer __setitimer50 | |
114 | #define setlocale __setlocale50 | |
115 | #define shmctl __shmctl50 | |
3c6331c2 | 116 | #define sigaltstack __sigaltstack14 |
eac97531 ML |
117 | #define sigemptyset __sigemptyset14 |
118 | #define sigfillset __sigfillset14 | |
119 | #define sigpending __sigpending14 | |
120 | #define sigprocmask __sigprocmask14 | |
121 | #define sigtimedwait __sigtimedwait50 | |
122 | #define stat __stat50 | |
3c6331c2 ML |
123 | #define statvfs __statvfs90 |
124 | #define statvfs1 __statvfs190 | |
eac97531 ML |
125 | #define time __time50 |
126 | #define times __times13 | |
b667dd70 | 127 | #define unvis __unvis50 |
eac97531 ML |
128 | #define wait3 __wait350 |
129 | #define wait4 __wait450 | |
130 | extern const unsigned short *_ctype_tab_; | |
131 | extern const short *_toupper_tab_; | |
132 | extern const short *_tolower_tab_; | |
133 | #endif | |
134 | ||
5d3805fc JJ |
135 | // Platform-specific options. |
136 | #if SANITIZER_MAC | |
90e46074 | 137 | #define PLATFORM_HAS_DIFFERENT_MEMCPY_AND_MEMMOVE 0 |
5d3805fc | 138 | #elif SANITIZER_WINDOWS64 |
90e46074 | 139 | #define PLATFORM_HAS_DIFFERENT_MEMCPY_AND_MEMMOVE 0 |
5d3805fc | 140 | #else |
90e46074 | 141 | #define PLATFORM_HAS_DIFFERENT_MEMCPY_AND_MEMMOVE 1 |
5d3805fc JJ |
142 | #endif // SANITIZER_MAC |
143 | ||
df77f0e4 | 144 | #ifndef COMMON_INTERCEPTOR_INITIALIZE_RANGE |
dee5ea7a KS |
145 | #define COMMON_INTERCEPTOR_INITIALIZE_RANGE(p, size) {} |
146 | #endif | |
147 | ||
148 | #ifndef COMMON_INTERCEPTOR_UNPOISON_PARAM | |
149 | #define COMMON_INTERCEPTOR_UNPOISON_PARAM(count) {} | |
df77f0e4 KS |
150 | #endif |
151 | ||
152 | #ifndef COMMON_INTERCEPTOR_FD_ACCESS | |
153 | #define COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd) {} | |
154 | #endif | |
155 | ||
5d3805fc JJ |
156 | #ifndef COMMON_INTERCEPTOR_MUTEX_PRE_LOCK |
157 | #define COMMON_INTERCEPTOR_MUTEX_PRE_LOCK(ctx, m) {} | |
158 | #endif | |
159 | ||
160 | #ifndef COMMON_INTERCEPTOR_MUTEX_POST_LOCK | |
161 | #define COMMON_INTERCEPTOR_MUTEX_POST_LOCK(ctx, m) {} | |
df77f0e4 KS |
162 | #endif |
163 | ||
164 | #ifndef COMMON_INTERCEPTOR_MUTEX_UNLOCK | |
165 | #define COMMON_INTERCEPTOR_MUTEX_UNLOCK(ctx, m) {} | |
166 | #endif | |
167 | ||
168 | #ifndef COMMON_INTERCEPTOR_MUTEX_REPAIR | |
169 | #define COMMON_INTERCEPTOR_MUTEX_REPAIR(ctx, m) {} | |
170 | #endif | |
171 | ||
10189819 MO |
172 | #ifndef COMMON_INTERCEPTOR_MUTEX_INVALID |
173 | #define COMMON_INTERCEPTOR_MUTEX_INVALID(ctx, m) {} | |
174 | #endif | |
175 | ||
df77f0e4 KS |
176 | #ifndef COMMON_INTERCEPTOR_HANDLE_RECVMSG |
177 | #define COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg) ((void)(msg)) | |
178 | #endif | |
179 | ||
dee5ea7a KS |
180 | #ifndef COMMON_INTERCEPTOR_FILE_OPEN |
181 | #define COMMON_INTERCEPTOR_FILE_OPEN(ctx, file, path) {} | |
182 | #endif | |
183 | ||
184 | #ifndef COMMON_INTERCEPTOR_FILE_CLOSE | |
185 | #define COMMON_INTERCEPTOR_FILE_CLOSE(ctx, file) {} | |
186 | #endif | |
187 | ||
866e32ad | 188 | #ifndef COMMON_INTERCEPTOR_LIBRARY_LOADED |
696d846a | 189 | #define COMMON_INTERCEPTOR_LIBRARY_LOADED(filename, handle) {} |
866e32ad KS |
190 | #endif |
191 | ||
192 | #ifndef COMMON_INTERCEPTOR_LIBRARY_UNLOADED | |
193 | #define COMMON_INTERCEPTOR_LIBRARY_UNLOADED() {} | |
194 | #endif | |
195 | ||
196 | #ifndef COMMON_INTERCEPTOR_ENTER_NOIGNORE | |
197 | #define COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, ...) \ | |
198 | COMMON_INTERCEPTOR_ENTER(ctx, __VA_ARGS__) | |
199 | #endif | |
200 | ||
201 | #ifndef COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED | |
202 | #define COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED (0) | |
203 | #endif | |
204 | ||
696d846a | 205 | #define COMMON_INTERCEPTOR_READ_STRING(ctx, s, n) \ |
5d3805fc JJ |
206 | COMMON_INTERCEPTOR_READ_RANGE((ctx), (s), \ |
207 | common_flags()->strict_string_checks ? (REAL(strlen)(s)) + 1 : (n) ) | |
696d846a MO |
208 | |
209 | #ifndef COMMON_INTERCEPTOR_ON_DLOPEN | |
5d3805fc JJ |
210 | #define COMMON_INTERCEPTOR_ON_DLOPEN(filename, flag) \ |
211 | CheckNoDeepBind(filename, flag); | |
696d846a MO |
212 | #endif |
213 | ||
214 | #ifndef COMMON_INTERCEPTOR_GET_TLS_RANGE | |
215 | #define COMMON_INTERCEPTOR_GET_TLS_RANGE(begin, end) *begin = *end = 0; | |
216 | #endif | |
217 | ||
218 | #ifndef COMMON_INTERCEPTOR_ACQUIRE | |
219 | #define COMMON_INTERCEPTOR_ACQUIRE(ctx, u) {} | |
220 | #endif | |
221 | ||
222 | #ifndef COMMON_INTERCEPTOR_RELEASE | |
223 | #define COMMON_INTERCEPTOR_RELEASE(ctx, u) {} | |
224 | #endif | |
225 | ||
10189819 MO |
226 | #ifndef COMMON_INTERCEPTOR_USER_CALLBACK_START |
227 | #define COMMON_INTERCEPTOR_USER_CALLBACK_START() {} | |
228 | #endif | |
229 | ||
230 | #ifndef COMMON_INTERCEPTOR_USER_CALLBACK_END | |
231 | #define COMMON_INTERCEPTOR_USER_CALLBACK_END() {} | |
232 | #endif | |
233 | ||
234 | #ifdef SANITIZER_NLDBL_VERSION | |
235 | #define COMMON_INTERCEPT_FUNCTION_LDBL(fn) \ | |
236 | COMMON_INTERCEPT_FUNCTION_VER(fn, SANITIZER_NLDBL_VERSION) | |
237 | #else | |
238 | #define COMMON_INTERCEPT_FUNCTION_LDBL(fn) \ | |
239 | COMMON_INTERCEPT_FUNCTION(fn) | |
240 | #endif | |
241 | ||
d0fee87e | 242 | #if SANITIZER_GLIBC |
81fee438 ML |
243 | // If we could not find the versioned symbol, fall back to an unversioned |
244 | // lookup. This is needed to work around a GLibc bug that causes dlsym | |
245 | // with RTLD_NEXT to return the oldest versioned symbol. | |
246 | // See https://sourceware.org/bugzilla/show_bug.cgi?id=14932. | |
247 | // For certain symbols (e.g. regexec) we have to perform a versioned lookup, | |
248 | // but that versioned symbol will only exist for architectures where the | |
249 | // oldest Glibc version pre-dates support for that architecture. | |
250 | // For example, regexec@GLIBC_2.3.4 exists on x86_64, but not RISC-V. | |
251 | // See also https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98920. | |
252 | #define COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(fn, ver) \ | |
253 | COMMON_INTERCEPT_FUNCTION_VER_UNVERSIONED_FALLBACK(fn, ver) | |
254 | #else | |
255 | #define COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(fn, ver) \ | |
256 | COMMON_INTERCEPT_FUNCTION(fn) | |
257 | #endif | |
258 | ||
5d3805fc JJ |
259 | #ifndef COMMON_INTERCEPTOR_MEMSET_IMPL |
260 | #define COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, dst, v, size) \ | |
261 | { \ | |
262 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) \ | |
263 | return internal_memset(dst, v, size); \ | |
264 | COMMON_INTERCEPTOR_ENTER(ctx, memset, dst, v, size); \ | |
265 | if (common_flags()->intercept_intrin) \ | |
266 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, size); \ | |
267 | return REAL(memset)(dst, v, size); \ | |
268 | } | |
269 | #endif | |
270 | ||
271 | #ifndef COMMON_INTERCEPTOR_MEMMOVE_IMPL | |
272 | #define COMMON_INTERCEPTOR_MEMMOVE_IMPL(ctx, dst, src, size) \ | |
273 | { \ | |
274 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) \ | |
275 | return internal_memmove(dst, src, size); \ | |
276 | COMMON_INTERCEPTOR_ENTER(ctx, memmove, dst, src, size); \ | |
277 | if (common_flags()->intercept_intrin) { \ | |
278 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, size); \ | |
279 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, size); \ | |
280 | } \ | |
281 | return REAL(memmove)(dst, src, size); \ | |
282 | } | |
283 | #endif | |
284 | ||
285 | #ifndef COMMON_INTERCEPTOR_MEMCPY_IMPL | |
286 | #define COMMON_INTERCEPTOR_MEMCPY_IMPL(ctx, dst, src, size) \ | |
287 | { \ | |
288 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) { \ | |
289 | return internal_memmove(dst, src, size); \ | |
290 | } \ | |
291 | COMMON_INTERCEPTOR_ENTER(ctx, memcpy, dst, src, size); \ | |
292 | if (common_flags()->intercept_intrin) { \ | |
293 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, size); \ | |
294 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, size); \ | |
295 | } \ | |
296 | return REAL(memcpy)(dst, src, size); \ | |
297 | } | |
298 | #endif | |
299 | ||
eac97531 ML |
300 | #ifndef COMMON_INTERCEPTOR_MMAP_IMPL |
301 | #define COMMON_INTERCEPTOR_MMAP_IMPL(ctx, mmap, addr, sz, prot, flags, fd, \ | |
302 | off) \ | |
303 | { return REAL(mmap)(addr, sz, prot, flags, fd, off); } | |
304 | #endif | |
305 | ||
5d3805fc JJ |
306 | #ifndef COMMON_INTERCEPTOR_COPY_STRING |
307 | #define COMMON_INTERCEPTOR_COPY_STRING(ctx, to, from, size) {} | |
308 | #endif | |
309 | ||
310 | #ifndef COMMON_INTERCEPTOR_STRNDUP_IMPL | |
311 | #define COMMON_INTERCEPTOR_STRNDUP_IMPL(ctx, s, size) \ | |
312 | COMMON_INTERCEPTOR_ENTER(ctx, strndup, s, size); \ | |
313 | uptr copy_length = internal_strnlen(s, size); \ | |
314 | char *new_mem = (char *)WRAP(malloc)(copy_length + 1); \ | |
315 | if (common_flags()->intercept_strndup) { \ | |
316 | COMMON_INTERCEPTOR_READ_STRING(ctx, s, Min(size, copy_length + 1)); \ | |
317 | } \ | |
318 | COMMON_INTERCEPTOR_COPY_STRING(ctx, new_mem, s, copy_length); \ | |
319 | internal_memcpy(new_mem, s, copy_length); \ | |
320 | new_mem[copy_length] = '\0'; \ | |
321 | return new_mem; | |
322 | #endif | |
323 | ||
3ca75cd5 ML |
324 | #ifndef COMMON_INTERCEPTOR_STRERROR |
325 | #define COMMON_INTERCEPTOR_STRERROR() {} | |
326 | #endif | |
327 | ||
dee5ea7a KS |
328 | struct FileMetadata { |
329 | // For open_memstream(). | |
330 | char **addr; | |
331 | SIZE_T *size; | |
332 | }; | |
333 | ||
334 | struct CommonInterceptorMetadata { | |
335 | enum { | |
336 | CIMT_INVALID = 0, | |
337 | CIMT_FILE | |
338 | } type; | |
339 | union { | |
340 | FileMetadata file; | |
341 | }; | |
342 | }; | |
343 | ||
b667dd70 | 344 | #if SI_POSIX |
dee5ea7a KS |
345 | typedef AddrHashMap<CommonInterceptorMetadata, 31051> MetadataHashMap; |
346 | ||
347 | static MetadataHashMap *interceptor_metadata_map; | |
348 | ||
dee5ea7a KS |
349 | UNUSED static void SetInterceptorMetadata(__sanitizer_FILE *addr, |
350 | const FileMetadata &file) { | |
351 | MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr); | |
352 | CHECK(h.created()); | |
353 | h->type = CommonInterceptorMetadata::CIMT_FILE; | |
354 | h->file = file; | |
355 | } | |
356 | ||
357 | UNUSED static const FileMetadata *GetInterceptorMetadata( | |
358 | __sanitizer_FILE *addr) { | |
359 | MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr, | |
360 | /* remove */ false, | |
361 | /* create */ false); | |
eac97531 | 362 | if (addr && h.exists()) { |
dee5ea7a KS |
363 | CHECK(!h.created()); |
364 | CHECK(h->type == CommonInterceptorMetadata::CIMT_FILE); | |
365 | return &h->file; | |
366 | } else { | |
367 | return 0; | |
368 | } | |
369 | } | |
370 | ||
371 | UNUSED static void DeleteInterceptorMetadata(void *addr) { | |
372 | MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr, true); | |
373 | CHECK(h.exists()); | |
374 | } | |
5d3805fc | 375 | #endif // SI_POSIX |
dee5ea7a | 376 | |
10189819 MO |
377 | #if SANITIZER_INTERCEPT_STRLEN |
378 | INTERCEPTOR(SIZE_T, strlen, const char *s) { | |
379 | // Sometimes strlen is called prior to InitializeCommonInterceptors, | |
380 | // in which case the REAL(strlen) typically used in | |
381 | // COMMON_INTERCEPTOR_ENTER will fail. We use internal_strlen here | |
382 | // to handle that. | |
383 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
384 | return internal_strlen(s); | |
385 | void *ctx; | |
386 | COMMON_INTERCEPTOR_ENTER(ctx, strlen, s); | |
387 | SIZE_T result = REAL(strlen)(s); | |
388 | if (common_flags()->intercept_strlen) | |
389 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, result + 1); | |
390 | return result; | |
391 | } | |
392 | #define INIT_STRLEN COMMON_INTERCEPT_FUNCTION(strlen) | |
393 | #else | |
394 | #define INIT_STRLEN | |
395 | #endif | |
396 | ||
397 | #if SANITIZER_INTERCEPT_STRNLEN | |
398 | INTERCEPTOR(SIZE_T, strnlen, const char *s, SIZE_T maxlen) { | |
399 | void *ctx; | |
400 | COMMON_INTERCEPTOR_ENTER(ctx, strnlen, s, maxlen); | |
401 | SIZE_T length = REAL(strnlen)(s, maxlen); | |
402 | if (common_flags()->intercept_strlen) | |
403 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, Min(length + 1, maxlen)); | |
404 | return length; | |
405 | } | |
406 | #define INIT_STRNLEN COMMON_INTERCEPT_FUNCTION(strnlen) | |
407 | #else | |
408 | #define INIT_STRNLEN | |
409 | #endif | |
410 | ||
5d3805fc JJ |
411 | #if SANITIZER_INTERCEPT_STRNDUP |
412 | INTERCEPTOR(char*, strndup, const char *s, uptr size) { | |
413 | void *ctx; | |
414 | COMMON_INTERCEPTOR_STRNDUP_IMPL(ctx, s, size); | |
415 | } | |
416 | #define INIT_STRNDUP COMMON_INTERCEPT_FUNCTION(strndup) | |
417 | #else | |
418 | #define INIT_STRNDUP | |
419 | #endif // SANITIZER_INTERCEPT_STRNDUP | |
420 | ||
421 | #if SANITIZER_INTERCEPT___STRNDUP | |
422 | INTERCEPTOR(char*, __strndup, const char *s, uptr size) { | |
423 | void *ctx; | |
424 | COMMON_INTERCEPTOR_STRNDUP_IMPL(ctx, s, size); | |
425 | } | |
426 | #define INIT___STRNDUP COMMON_INTERCEPT_FUNCTION(__strndup) | |
427 | #else | |
428 | #define INIT___STRNDUP | |
429 | #endif // SANITIZER_INTERCEPT___STRNDUP | |
430 | ||
c4c16f74 KS |
431 | #if SANITIZER_INTERCEPT_TEXTDOMAIN |
432 | INTERCEPTOR(char*, textdomain, const char *domainname) { | |
433 | void *ctx; | |
434 | COMMON_INTERCEPTOR_ENTER(ctx, textdomain, domainname); | |
5d3805fc | 435 | if (domainname) COMMON_INTERCEPTOR_READ_STRING(ctx, domainname, 0); |
696d846a | 436 | char *domain = REAL(textdomain)(domainname); |
c4c16f74 | 437 | if (domain) { |
dee5ea7a | 438 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(domain, REAL(strlen)(domain) + 1); |
c4c16f74 KS |
439 | } |
440 | return domain; | |
441 | } | |
442 | #define INIT_TEXTDOMAIN COMMON_INTERCEPT_FUNCTION(textdomain) | |
443 | #else | |
444 | #define INIT_TEXTDOMAIN | |
445 | #endif | |
446 | ||
ef1b3fda KS |
447 | #if SANITIZER_INTERCEPT_STRCMP |
448 | static inline int CharCmpX(unsigned char c1, unsigned char c2) { | |
449 | return (c1 == c2) ? 0 : (c1 < c2) ? -1 : 1; | |
450 | } | |
451 | ||
696d846a | 452 | DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcmp, uptr called_pc, |
10189819 | 453 | const char *s1, const char *s2, int result) |
696d846a | 454 | |
ef1b3fda KS |
455 | INTERCEPTOR(int, strcmp, const char *s1, const char *s2) { |
456 | void *ctx; | |
457 | COMMON_INTERCEPTOR_ENTER(ctx, strcmp, s1, s2); | |
458 | unsigned char c1, c2; | |
459 | uptr i; | |
df77f0e4 | 460 | for (i = 0;; i++) { |
ef1b3fda KS |
461 | c1 = (unsigned char)s1[i]; |
462 | c2 = (unsigned char)s2[i]; | |
463 | if (c1 != c2 || c1 == '\0') break; | |
464 | } | |
0b997f6e ML |
465 | if (common_flags()->intercept_strcmp) { |
466 | COMMON_INTERCEPTOR_READ_STRING(ctx, s1, i + 1); | |
467 | COMMON_INTERCEPTOR_READ_STRING(ctx, s2, i + 1); | |
468 | } | |
10189819 MO |
469 | int result = CharCmpX(c1, c2); |
470 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcmp, GET_CALLER_PC(), s1, | |
471 | s2, result); | |
472 | return result; | |
ef1b3fda KS |
473 | } |
474 | ||
696d846a | 475 | DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncmp, uptr called_pc, |
10189819 MO |
476 | const char *s1, const char *s2, uptr n, |
477 | int result) | |
696d846a | 478 | |
ef1b3fda | 479 | INTERCEPTOR(int, strncmp, const char *s1, const char *s2, uptr size) { |
866e32ad KS |
480 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) |
481 | return internal_strncmp(s1, s2, size); | |
ef1b3fda KS |
482 | void *ctx; |
483 | COMMON_INTERCEPTOR_ENTER(ctx, strncmp, s1, s2, size); | |
484 | unsigned char c1 = 0, c2 = 0; | |
485 | uptr i; | |
486 | for (i = 0; i < size; i++) { | |
487 | c1 = (unsigned char)s1[i]; | |
488 | c2 = (unsigned char)s2[i]; | |
489 | if (c1 != c2 || c1 == '\0') break; | |
490 | } | |
5d3805fc JJ |
491 | uptr i1 = i; |
492 | uptr i2 = i; | |
493 | if (common_flags()->strict_string_checks) { | |
494 | for (; i1 < size && s1[i1]; i1++) {} | |
495 | for (; i2 < size && s2[i2]; i2++) {} | |
496 | } | |
497 | COMMON_INTERCEPTOR_READ_RANGE((ctx), (s1), Min(i1 + 1, size)); | |
498 | COMMON_INTERCEPTOR_READ_RANGE((ctx), (s2), Min(i2 + 1, size)); | |
10189819 MO |
499 | int result = CharCmpX(c1, c2); |
500 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncmp, GET_CALLER_PC(), s1, | |
501 | s2, size, result); | |
502 | return result; | |
ef1b3fda KS |
503 | } |
504 | ||
df77f0e4 KS |
505 | #define INIT_STRCMP COMMON_INTERCEPT_FUNCTION(strcmp) |
506 | #define INIT_STRNCMP COMMON_INTERCEPT_FUNCTION(strncmp) | |
ef1b3fda KS |
507 | #else |
508 | #define INIT_STRCMP | |
509 | #define INIT_STRNCMP | |
510 | #endif | |
511 | ||
512 | #if SANITIZER_INTERCEPT_STRCASECMP | |
513 | static inline int CharCaseCmp(unsigned char c1, unsigned char c2) { | |
514 | int c1_low = ToLower(c1); | |
515 | int c2_low = ToLower(c2); | |
516 | return c1_low - c2_low; | |
517 | } | |
518 | ||
10189819 MO |
519 | DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasecmp, uptr called_pc, |
520 | const char *s1, const char *s2, int result) | |
521 | ||
ef1b3fda KS |
522 | INTERCEPTOR(int, strcasecmp, const char *s1, const char *s2) { |
523 | void *ctx; | |
524 | COMMON_INTERCEPTOR_ENTER(ctx, strcasecmp, s1, s2); | |
525 | unsigned char c1 = 0, c2 = 0; | |
526 | uptr i; | |
df77f0e4 | 527 | for (i = 0;; i++) { |
ef1b3fda KS |
528 | c1 = (unsigned char)s1[i]; |
529 | c2 = (unsigned char)s2[i]; | |
df77f0e4 | 530 | if (CharCaseCmp(c1, c2) != 0 || c1 == '\0') break; |
ef1b3fda | 531 | } |
696d846a MO |
532 | COMMON_INTERCEPTOR_READ_STRING(ctx, s1, i + 1); |
533 | COMMON_INTERCEPTOR_READ_STRING(ctx, s2, i + 1); | |
10189819 MO |
534 | int result = CharCaseCmp(c1, c2); |
535 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasecmp, GET_CALLER_PC(), | |
536 | s1, s2, result); | |
537 | return result; | |
ef1b3fda KS |
538 | } |
539 | ||
10189819 | 540 | DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncasecmp, uptr called_pc, |
5d3805fc | 541 | const char *s1, const char *s2, uptr size, |
10189819 MO |
542 | int result) |
543 | ||
5d3805fc | 544 | INTERCEPTOR(int, strncasecmp, const char *s1, const char *s2, SIZE_T size) { |
ef1b3fda | 545 | void *ctx; |
5d3805fc | 546 | COMMON_INTERCEPTOR_ENTER(ctx, strncasecmp, s1, s2, size); |
ef1b3fda KS |
547 | unsigned char c1 = 0, c2 = 0; |
548 | uptr i; | |
5d3805fc | 549 | for (i = 0; i < size; i++) { |
ef1b3fda KS |
550 | c1 = (unsigned char)s1[i]; |
551 | c2 = (unsigned char)s2[i]; | |
df77f0e4 | 552 | if (CharCaseCmp(c1, c2) != 0 || c1 == '\0') break; |
ef1b3fda | 553 | } |
5d3805fc JJ |
554 | uptr i1 = i; |
555 | uptr i2 = i; | |
556 | if (common_flags()->strict_string_checks) { | |
557 | for (; i1 < size && s1[i1]; i1++) {} | |
558 | for (; i2 < size && s2[i2]; i2++) {} | |
559 | } | |
560 | COMMON_INTERCEPTOR_READ_RANGE((ctx), (s1), Min(i1 + 1, size)); | |
561 | COMMON_INTERCEPTOR_READ_RANGE((ctx), (s2), Min(i2 + 1, size)); | |
10189819 MO |
562 | int result = CharCaseCmp(c1, c2); |
563 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncasecmp, GET_CALLER_PC(), | |
5d3805fc | 564 | s1, s2, size, result); |
10189819 | 565 | return result; |
ef1b3fda KS |
566 | } |
567 | ||
df77f0e4 KS |
568 | #define INIT_STRCASECMP COMMON_INTERCEPT_FUNCTION(strcasecmp) |
569 | #define INIT_STRNCASECMP COMMON_INTERCEPT_FUNCTION(strncasecmp) | |
ef1b3fda KS |
570 | #else |
571 | #define INIT_STRCASECMP | |
572 | #define INIT_STRNCASECMP | |
573 | #endif | |
574 | ||
696d846a MO |
575 | #if SANITIZER_INTERCEPT_STRSTR || SANITIZER_INTERCEPT_STRCASESTR |
576 | static inline void StrstrCheck(void *ctx, char *r, const char *s1, | |
577 | const char *s2) { | |
578 | uptr len1 = REAL(strlen)(s1); | |
579 | uptr len2 = REAL(strlen)(s2); | |
5d3805fc | 580 | COMMON_INTERCEPTOR_READ_STRING(ctx, s1, r ? r - s1 + len2 : len1 + 1); |
696d846a MO |
581 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, len2 + 1); |
582 | } | |
583 | #endif | |
584 | ||
585 | #if SANITIZER_INTERCEPT_STRSTR | |
10189819 MO |
586 | |
587 | DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strstr, uptr called_pc, | |
588 | const char *s1, const char *s2, char *result) | |
589 | ||
696d846a MO |
590 | INTERCEPTOR(char*, strstr, const char *s1, const char *s2) { |
591 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
592 | return internal_strstr(s1, s2); | |
593 | void *ctx; | |
594 | COMMON_INTERCEPTOR_ENTER(ctx, strstr, s1, s2); | |
595 | char *r = REAL(strstr)(s1, s2); | |
596 | if (common_flags()->intercept_strstr) | |
597 | StrstrCheck(ctx, r, s1, s2); | |
10189819 MO |
598 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strstr, GET_CALLER_PC(), s1, |
599 | s2, r); | |
696d846a MO |
600 | return r; |
601 | } | |
602 | ||
603 | #define INIT_STRSTR COMMON_INTERCEPT_FUNCTION(strstr); | |
604 | #else | |
605 | #define INIT_STRSTR | |
606 | #endif | |
607 | ||
608 | #if SANITIZER_INTERCEPT_STRCASESTR | |
10189819 MO |
609 | |
610 | DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasestr, uptr called_pc, | |
611 | const char *s1, const char *s2, char *result) | |
612 | ||
696d846a MO |
613 | INTERCEPTOR(char*, strcasestr, const char *s1, const char *s2) { |
614 | void *ctx; | |
615 | COMMON_INTERCEPTOR_ENTER(ctx, strcasestr, s1, s2); | |
616 | char *r = REAL(strcasestr)(s1, s2); | |
617 | if (common_flags()->intercept_strstr) | |
618 | StrstrCheck(ctx, r, s1, s2); | |
10189819 MO |
619 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasestr, GET_CALLER_PC(), |
620 | s1, s2, r); | |
696d846a MO |
621 | return r; |
622 | } | |
623 | ||
624 | #define INIT_STRCASESTR COMMON_INTERCEPT_FUNCTION(strcasestr); | |
625 | #else | |
626 | #define INIT_STRCASESTR | |
627 | #endif | |
628 | ||
5d3805fc JJ |
629 | #if SANITIZER_INTERCEPT_STRTOK |
630 | ||
631 | INTERCEPTOR(char*, strtok, char *str, const char *delimiters) { | |
632 | void *ctx; | |
633 | COMMON_INTERCEPTOR_ENTER(ctx, strtok, str, delimiters); | |
634 | if (!common_flags()->intercept_strtok) { | |
635 | return REAL(strtok)(str, delimiters); | |
636 | } | |
637 | if (common_flags()->strict_string_checks) { | |
638 | // If strict_string_checks is enabled, we check the whole first argument | |
639 | // string on the first call (strtok saves this string in a static buffer | |
640 | // for subsequent calls). We do not need to check strtok's result. | |
641 | // As the delimiters can change, we check them every call. | |
642 | if (str != nullptr) { | |
643 | COMMON_INTERCEPTOR_READ_RANGE(ctx, str, REAL(strlen)(str) + 1); | |
644 | } | |
645 | COMMON_INTERCEPTOR_READ_RANGE(ctx, delimiters, | |
646 | REAL(strlen)(delimiters) + 1); | |
647 | return REAL(strtok)(str, delimiters); | |
648 | } else { | |
649 | // However, when strict_string_checks is disabled we cannot check the | |
650 | // whole string on the first call. Instead, we check the result string | |
651 | // which is guaranteed to be a NULL-terminated substring of the first | |
652 | // argument. We also conservatively check one character of str and the | |
653 | // delimiters. | |
654 | if (str != nullptr) { | |
655 | COMMON_INTERCEPTOR_READ_STRING(ctx, str, 1); | |
656 | } | |
657 | COMMON_INTERCEPTOR_READ_RANGE(ctx, delimiters, 1); | |
658 | char *result = REAL(strtok)(str, delimiters); | |
659 | if (result != nullptr) { | |
660 | COMMON_INTERCEPTOR_READ_RANGE(ctx, result, REAL(strlen)(result) + 1); | |
661 | } else if (str != nullptr) { | |
662 | // No delimiter were found, it's safe to assume that the entire str was | |
663 | // scanned. | |
664 | COMMON_INTERCEPTOR_READ_RANGE(ctx, str, REAL(strlen)(str) + 1); | |
665 | } | |
666 | return result; | |
667 | } | |
668 | } | |
669 | ||
670 | #define INIT_STRTOK COMMON_INTERCEPT_FUNCTION(strtok) | |
671 | #else | |
672 | #define INIT_STRTOK | |
673 | #endif | |
674 | ||
10189819 MO |
675 | #if SANITIZER_INTERCEPT_MEMMEM |
676 | DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memmem, uptr called_pc, | |
677 | const void *s1, SIZE_T len1, const void *s2, | |
678 | SIZE_T len2, void *result) | |
679 | ||
680 | INTERCEPTOR(void*, memmem, const void *s1, SIZE_T len1, const void *s2, | |
681 | SIZE_T len2) { | |
682 | void *ctx; | |
683 | COMMON_INTERCEPTOR_ENTER(ctx, memmem, s1, len1, s2, len2); | |
684 | void *r = REAL(memmem)(s1, len1, s2, len2); | |
685 | if (common_flags()->intercept_memmem) { | |
686 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, len1); | |
687 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, len2); | |
688 | } | |
689 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memmem, GET_CALLER_PC(), | |
690 | s1, len1, s2, len2, r); | |
691 | return r; | |
692 | } | |
693 | ||
694 | #define INIT_MEMMEM COMMON_INTERCEPT_FUNCTION(memmem); | |
695 | #else | |
696 | #define INIT_MEMMEM | |
697 | #endif // SANITIZER_INTERCEPT_MEMMEM | |
698 | ||
699 | #if SANITIZER_INTERCEPT_STRCHR | |
700 | INTERCEPTOR(char*, strchr, const char *s, int c) { | |
701 | void *ctx; | |
702 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
703 | return internal_strchr(s, c); | |
704 | COMMON_INTERCEPTOR_ENTER(ctx, strchr, s, c); | |
705 | char *result = REAL(strchr)(s, c); | |
5d3805fc JJ |
706 | if (common_flags()->intercept_strchr) { |
707 | // Keep strlen as macro argument, as macro may ignore it. | |
708 | COMMON_INTERCEPTOR_READ_STRING(ctx, s, | |
709 | (result ? result - s : REAL(strlen)(s)) + 1); | |
710 | } | |
10189819 MO |
711 | return result; |
712 | } | |
713 | #define INIT_STRCHR COMMON_INTERCEPT_FUNCTION(strchr) | |
714 | #else | |
715 | #define INIT_STRCHR | |
716 | #endif | |
717 | ||
718 | #if SANITIZER_INTERCEPT_STRCHRNUL | |
719 | INTERCEPTOR(char*, strchrnul, const char *s, int c) { | |
720 | void *ctx; | |
721 | COMMON_INTERCEPTOR_ENTER(ctx, strchrnul, s, c); | |
722 | char *result = REAL(strchrnul)(s, c); | |
723 | uptr len = result - s + 1; | |
724 | if (common_flags()->intercept_strchr) | |
725 | COMMON_INTERCEPTOR_READ_STRING(ctx, s, len); | |
726 | return result; | |
727 | } | |
728 | #define INIT_STRCHRNUL COMMON_INTERCEPT_FUNCTION(strchrnul) | |
729 | #else | |
730 | #define INIT_STRCHRNUL | |
731 | #endif | |
732 | ||
733 | #if SANITIZER_INTERCEPT_STRRCHR | |
734 | INTERCEPTOR(char*, strrchr, const char *s, int c) { | |
735 | void *ctx; | |
736 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
737 | return internal_strrchr(s, c); | |
738 | COMMON_INTERCEPTOR_ENTER(ctx, strrchr, s, c); | |
10189819 | 739 | if (common_flags()->intercept_strchr) |
5d3805fc | 740 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, REAL(strlen)(s) + 1); |
10189819 MO |
741 | return REAL(strrchr)(s, c); |
742 | } | |
743 | #define INIT_STRRCHR COMMON_INTERCEPT_FUNCTION(strrchr) | |
744 | #else | |
745 | #define INIT_STRRCHR | |
746 | #endif | |
747 | ||
696d846a MO |
748 | #if SANITIZER_INTERCEPT_STRSPN |
749 | INTERCEPTOR(SIZE_T, strspn, const char *s1, const char *s2) { | |
750 | void *ctx; | |
751 | COMMON_INTERCEPTOR_ENTER(ctx, strspn, s1, s2); | |
752 | SIZE_T r = REAL(strspn)(s1, s2); | |
753 | if (common_flags()->intercept_strspn) { | |
754 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, REAL(strlen)(s2) + 1); | |
755 | COMMON_INTERCEPTOR_READ_STRING(ctx, s1, r + 1); | |
756 | } | |
757 | return r; | |
758 | } | |
759 | ||
760 | INTERCEPTOR(SIZE_T, strcspn, const char *s1, const char *s2) { | |
761 | void *ctx; | |
762 | COMMON_INTERCEPTOR_ENTER(ctx, strcspn, s1, s2); | |
763 | SIZE_T r = REAL(strcspn)(s1, s2); | |
764 | if (common_flags()->intercept_strspn) { | |
765 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, REAL(strlen)(s2) + 1); | |
766 | COMMON_INTERCEPTOR_READ_STRING(ctx, s1, r + 1); | |
767 | } | |
768 | return r; | |
769 | } | |
770 | ||
771 | #define INIT_STRSPN \ | |
772 | COMMON_INTERCEPT_FUNCTION(strspn); \ | |
773 | COMMON_INTERCEPT_FUNCTION(strcspn); | |
774 | #else | |
775 | #define INIT_STRSPN | |
776 | #endif | |
777 | ||
778 | #if SANITIZER_INTERCEPT_STRPBRK | |
779 | INTERCEPTOR(char *, strpbrk, const char *s1, const char *s2) { | |
780 | void *ctx; | |
781 | COMMON_INTERCEPTOR_ENTER(ctx, strpbrk, s1, s2); | |
782 | char *r = REAL(strpbrk)(s1, s2); | |
783 | if (common_flags()->intercept_strpbrk) { | |
784 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, REAL(strlen)(s2) + 1); | |
785 | COMMON_INTERCEPTOR_READ_STRING(ctx, s1, | |
786 | r ? r - s1 + 1 : REAL(strlen)(s1) + 1); | |
787 | } | |
788 | return r; | |
789 | } | |
790 | ||
791 | #define INIT_STRPBRK COMMON_INTERCEPT_FUNCTION(strpbrk); | |
792 | #else | |
793 | #define INIT_STRPBRK | |
794 | #endif | |
795 | ||
10189819 | 796 | #if SANITIZER_INTERCEPT_MEMSET |
5d3805fc | 797 | INTERCEPTOR(void *, memset, void *dst, int v, uptr size) { |
10189819 | 798 | void *ctx; |
5d3805fc | 799 | COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, dst, v, size); |
10189819 MO |
800 | } |
801 | ||
802 | #define INIT_MEMSET COMMON_INTERCEPT_FUNCTION(memset) | |
803 | #else | |
804 | #define INIT_MEMSET | |
805 | #endif | |
806 | ||
807 | #if SANITIZER_INTERCEPT_MEMMOVE | |
5d3805fc | 808 | INTERCEPTOR(void *, memmove, void *dst, const void *src, uptr size) { |
10189819 | 809 | void *ctx; |
5d3805fc | 810 | COMMON_INTERCEPTOR_MEMMOVE_IMPL(ctx, dst, src, size); |
10189819 MO |
811 | } |
812 | ||
813 | #define INIT_MEMMOVE COMMON_INTERCEPT_FUNCTION(memmove) | |
814 | #else | |
815 | #define INIT_MEMMOVE | |
816 | #endif | |
817 | ||
818 | #if SANITIZER_INTERCEPT_MEMCPY | |
5d3805fc JJ |
819 | INTERCEPTOR(void *, memcpy, void *dst, const void *src, uptr size) { |
820 | // On OS X, calling internal_memcpy here will cause memory corruptions, | |
821 | // because memcpy and memmove are actually aliases of the same | |
822 | // implementation. We need to use internal_memmove here. | |
10189819 MO |
823 | // N.B.: If we switch this to internal_ we'll have to use internal_memmove |
824 | // due to memcpy being an alias of memmove on OS X. | |
5d3805fc | 825 | void *ctx; |
90e46074 | 826 | #if PLATFORM_HAS_DIFFERENT_MEMCPY_AND_MEMMOVE |
5d3805fc | 827 | COMMON_INTERCEPTOR_MEMCPY_IMPL(ctx, dst, src, size); |
90e46074 | 828 | #else |
5d3805fc | 829 | COMMON_INTERCEPTOR_MEMMOVE_IMPL(ctx, dst, src, size); |
90e46074 | 830 | #endif |
10189819 MO |
831 | } |
832 | ||
5d3805fc JJ |
833 | #define INIT_MEMCPY \ |
834 | do { \ | |
835 | if (PLATFORM_HAS_DIFFERENT_MEMCPY_AND_MEMMOVE) { \ | |
836 | COMMON_INTERCEPT_FUNCTION(memcpy); \ | |
837 | } else { \ | |
838 | ASSIGN_REAL(memcpy, memmove); \ | |
839 | } \ | |
840 | CHECK(REAL(memcpy)); \ | |
841 | } while (false) | |
842 | ||
10189819 MO |
843 | #else |
844 | #define INIT_MEMCPY | |
845 | #endif | |
846 | ||
696d846a | 847 | #if SANITIZER_INTERCEPT_MEMCMP |
696d846a | 848 | DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, uptr called_pc, |
10189819 MO |
849 | const void *s1, const void *s2, uptr n, |
850 | int result) | |
696d846a | 851 | |
b667dd70 ML |
852 | // Common code for `memcmp` and `bcmp`. |
853 | int MemcmpInterceptorCommon(void *ctx, | |
854 | int (*real_fn)(const void *, const void *, uptr), | |
855 | const void *a1, const void *a2, uptr size) { | |
696d846a MO |
856 | if (common_flags()->intercept_memcmp) { |
857 | if (common_flags()->strict_memcmp) { | |
858 | // Check the entire regions even if the first bytes of the buffers are | |
859 | // different. | |
860 | COMMON_INTERCEPTOR_READ_RANGE(ctx, a1, size); | |
861 | COMMON_INTERCEPTOR_READ_RANGE(ctx, a2, size); | |
862 | // Fallthrough to REAL(memcmp) below. | |
863 | } else { | |
864 | unsigned char c1 = 0, c2 = 0; | |
865 | const unsigned char *s1 = (const unsigned char*)a1; | |
866 | const unsigned char *s2 = (const unsigned char*)a2; | |
867 | uptr i; | |
868 | for (i = 0; i < size; i++) { | |
869 | c1 = s1[i]; | |
870 | c2 = s2[i]; | |
871 | if (c1 != c2) break; | |
872 | } | |
873 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, Min(i + 1, size)); | |
874 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, Min(i + 1, size)); | |
10189819 MO |
875 | int r = CharCmpX(c1, c2); |
876 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, GET_CALLER_PC(), | |
877 | a1, a2, size, r); | |
878 | return r; | |
696d846a MO |
879 | } |
880 | } | |
b667dd70 | 881 | int result = real_fn(a1, a2, size); |
10189819 MO |
882 | CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, GET_CALLER_PC(), a1, |
883 | a2, size, result); | |
884 | return result; | |
696d846a MO |
885 | } |
886 | ||
b667dd70 ML |
887 | INTERCEPTOR(int, memcmp, const void *a1, const void *a2, uptr size) { |
888 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
889 | return internal_memcmp(a1, a2, size); | |
890 | void *ctx; | |
891 | COMMON_INTERCEPTOR_ENTER(ctx, memcmp, a1, a2, size); | |
892 | return MemcmpInterceptorCommon(ctx, REAL(memcmp), a1, a2, size); | |
893 | } | |
894 | ||
696d846a MO |
895 | #define INIT_MEMCMP COMMON_INTERCEPT_FUNCTION(memcmp) |
896 | #else | |
897 | #define INIT_MEMCMP | |
898 | #endif | |
899 | ||
b667dd70 ML |
900 | #if SANITIZER_INTERCEPT_BCMP |
901 | INTERCEPTOR(int, bcmp, const void *a1, const void *a2, uptr size) { | |
902 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
903 | return internal_memcmp(a1, a2, size); | |
904 | void *ctx; | |
905 | COMMON_INTERCEPTOR_ENTER(ctx, bcmp, a1, a2, size); | |
906 | return MemcmpInterceptorCommon(ctx, REAL(bcmp), a1, a2, size); | |
907 | } | |
908 | ||
909 | #define INIT_BCMP COMMON_INTERCEPT_FUNCTION(bcmp) | |
910 | #else | |
911 | #define INIT_BCMP | |
912 | #endif | |
913 | ||
dee5ea7a KS |
914 | #if SANITIZER_INTERCEPT_MEMCHR |
915 | INTERCEPTOR(void*, memchr, const void *s, int c, SIZE_T n) { | |
55aea9f5 MO |
916 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) |
917 | return internal_memchr(s, c, n); | |
dee5ea7a KS |
918 | void *ctx; |
919 | COMMON_INTERCEPTOR_ENTER(ctx, memchr, s, c, n); | |
10189819 MO |
920 | #if SANITIZER_WINDOWS |
921 | void *res; | |
922 | if (REAL(memchr)) { | |
923 | res = REAL(memchr)(s, c, n); | |
924 | } else { | |
925 | res = internal_memchr(s, c, n); | |
926 | } | |
927 | #else | |
dee5ea7a | 928 | void *res = REAL(memchr)(s, c, n); |
10189819 | 929 | #endif |
696d846a | 930 | uptr len = res ? (char *)res - (const char *)s + 1 : n; |
dee5ea7a KS |
931 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, len); |
932 | return res; | |
933 | } | |
934 | ||
935 | #define INIT_MEMCHR COMMON_INTERCEPT_FUNCTION(memchr) | |
936 | #else | |
937 | #define INIT_MEMCHR | |
938 | #endif | |
939 | ||
940 | #if SANITIZER_INTERCEPT_MEMRCHR | |
941 | INTERCEPTOR(void*, memrchr, const void *s, int c, SIZE_T n) { | |
942 | void *ctx; | |
943 | COMMON_INTERCEPTOR_ENTER(ctx, memrchr, s, c, n); | |
944 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, n); | |
945 | return REAL(memrchr)(s, c, n); | |
946 | } | |
947 | ||
948 | #define INIT_MEMRCHR COMMON_INTERCEPT_FUNCTION(memrchr) | |
949 | #else | |
950 | #define INIT_MEMRCHR | |
951 | #endif | |
952 | ||
ef1b3fda KS |
953 | #if SANITIZER_INTERCEPT_FREXP |
954 | INTERCEPTOR(double, frexp, double x, int *exp) { | |
955 | void *ctx; | |
956 | COMMON_INTERCEPTOR_ENTER(ctx, frexp, x, exp); | |
866e32ad | 957 | // Assuming frexp() always writes to |exp|. |
ef1b3fda | 958 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp)); |
866e32ad | 959 | double res = REAL(frexp)(x, exp); |
90e46074 | 960 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(exp, sizeof(*exp)); |
ef1b3fda KS |
961 | return res; |
962 | } | |
963 | ||
df77f0e4 | 964 | #define INIT_FREXP COMMON_INTERCEPT_FUNCTION(frexp); |
ef1b3fda KS |
965 | #else |
966 | #define INIT_FREXP | |
df77f0e4 | 967 | #endif // SANITIZER_INTERCEPT_FREXP |
ef1b3fda KS |
968 | |
969 | #if SANITIZER_INTERCEPT_FREXPF_FREXPL | |
970 | INTERCEPTOR(float, frexpf, float x, int *exp) { | |
971 | void *ctx; | |
972 | COMMON_INTERCEPTOR_ENTER(ctx, frexpf, x, exp); | |
ef1b3fda | 973 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp)); |
90e46074 L |
974 | float res = REAL(frexpf)(x, exp); |
975 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(exp, sizeof(*exp)); | |
ef1b3fda KS |
976 | return res; |
977 | } | |
978 | ||
979 | INTERCEPTOR(long double, frexpl, long double x, int *exp) { | |
980 | void *ctx; | |
981 | COMMON_INTERCEPTOR_ENTER(ctx, frexpl, x, exp); | |
ef1b3fda | 982 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp)); |
90e46074 L |
983 | long double res = REAL(frexpl)(x, exp); |
984 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(exp, sizeof(*exp)); | |
ef1b3fda KS |
985 | return res; |
986 | } | |
987 | ||
df77f0e4 KS |
988 | #define INIT_FREXPF_FREXPL \ |
989 | COMMON_INTERCEPT_FUNCTION(frexpf); \ | |
10189819 | 990 | COMMON_INTERCEPT_FUNCTION_LDBL(frexpl) |
ef1b3fda KS |
991 | #else |
992 | #define INIT_FREXPF_FREXPL | |
df77f0e4 | 993 | #endif // SANITIZER_INTERCEPT_FREXPF_FREXPL |
ef1b3fda | 994 | |
5d3805fc | 995 | #if SI_POSIX |
ef1b3fda KS |
996 | static void write_iovec(void *ctx, struct __sanitizer_iovec *iovec, |
997 | SIZE_T iovlen, SIZE_T maxlen) { | |
998 | for (SIZE_T i = 0; i < iovlen && maxlen; ++i) { | |
999 | SSIZE_T sz = Min(iovec[i].iov_len, maxlen); | |
1000 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iovec[i].iov_base, sz); | |
1001 | maxlen -= sz; | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | static void read_iovec(void *ctx, struct __sanitizer_iovec *iovec, | |
1006 | SIZE_T iovlen, SIZE_T maxlen) { | |
1007 | COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec, sizeof(*iovec) * iovlen); | |
1008 | for (SIZE_T i = 0; i < iovlen && maxlen; ++i) { | |
1009 | SSIZE_T sz = Min(iovec[i].iov_len, maxlen); | |
1010 | COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec[i].iov_base, sz); | |
1011 | maxlen -= sz; | |
1012 | } | |
1013 | } | |
1014 | #endif | |
1015 | ||
2660d12d KS |
1016 | #if SANITIZER_INTERCEPT_READ |
1017 | INTERCEPTOR(SSIZE_T, read, int fd, void *ptr, SIZE_T count) { | |
b4ab7d34 | 1018 | void *ctx; |
2660d12d | 1019 | COMMON_INTERCEPTOR_ENTER(ctx, read, fd, ptr, count); |
df77f0e4 | 1020 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
866e32ad KS |
1021 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1022 | // its metadata. See | |
10189819 | 1023 | // https://github.com/google/sanitizers/issues/321. |
2660d12d | 1024 | SSIZE_T res = REAL(read)(fd, ptr, count); |
df77f0e4 KS |
1025 | if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res); |
1026 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
2660d12d KS |
1027 | return res; |
1028 | } | |
df77f0e4 | 1029 | #define INIT_READ COMMON_INTERCEPT_FUNCTION(read) |
2660d12d | 1030 | #else |
b4ab7d34 | 1031 | #define INIT_READ |
2660d12d KS |
1032 | #endif |
1033 | ||
5d3805fc JJ |
1034 | #if SANITIZER_INTERCEPT_FREAD |
1035 | INTERCEPTOR(SIZE_T, fread, void *ptr, SIZE_T size, SIZE_T nmemb, void *file) { | |
1036 | // libc file streams can call user-supplied functions, see fopencookie. | |
1037 | void *ctx; | |
1038 | COMMON_INTERCEPTOR_ENTER(ctx, fread, ptr, size, nmemb, file); | |
1039 | // FIXME: under ASan the call below may write to freed memory and corrupt | |
1040 | // its metadata. See | |
1041 | // https://github.com/google/sanitizers/issues/321. | |
1042 | SIZE_T res = REAL(fread)(ptr, size, nmemb, file); | |
1043 | if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res * size); | |
1044 | return res; | |
1045 | } | |
1046 | #define INIT_FREAD COMMON_INTERCEPT_FUNCTION(fread) | |
1047 | #else | |
1048 | #define INIT_FREAD | |
1049 | #endif | |
1050 | ||
2660d12d KS |
1051 | #if SANITIZER_INTERCEPT_PREAD |
1052 | INTERCEPTOR(SSIZE_T, pread, int fd, void *ptr, SIZE_T count, OFF_T offset) { | |
b4ab7d34 | 1053 | void *ctx; |
2660d12d | 1054 | COMMON_INTERCEPTOR_ENTER(ctx, pread, fd, ptr, count, offset); |
df77f0e4 | 1055 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
866e32ad KS |
1056 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1057 | // its metadata. See | |
10189819 | 1058 | // https://github.com/google/sanitizers/issues/321. |
2660d12d | 1059 | SSIZE_T res = REAL(pread)(fd, ptr, count, offset); |
df77f0e4 KS |
1060 | if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res); |
1061 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
2660d12d KS |
1062 | return res; |
1063 | } | |
df77f0e4 | 1064 | #define INIT_PREAD COMMON_INTERCEPT_FUNCTION(pread) |
2660d12d | 1065 | #else |
b4ab7d34 | 1066 | #define INIT_PREAD |
2660d12d KS |
1067 | #endif |
1068 | ||
1069 | #if SANITIZER_INTERCEPT_PREAD64 | |
1070 | INTERCEPTOR(SSIZE_T, pread64, int fd, void *ptr, SIZE_T count, OFF64_T offset) { | |
b4ab7d34 | 1071 | void *ctx; |
2660d12d | 1072 | COMMON_INTERCEPTOR_ENTER(ctx, pread64, fd, ptr, count, offset); |
df77f0e4 | 1073 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
866e32ad KS |
1074 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1075 | // its metadata. See | |
10189819 | 1076 | // https://github.com/google/sanitizers/issues/321. |
2660d12d | 1077 | SSIZE_T res = REAL(pread64)(fd, ptr, count, offset); |
df77f0e4 KS |
1078 | if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res); |
1079 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
2660d12d KS |
1080 | return res; |
1081 | } | |
df77f0e4 | 1082 | #define INIT_PREAD64 COMMON_INTERCEPT_FUNCTION(pread64) |
2660d12d | 1083 | #else |
b4ab7d34 | 1084 | #define INIT_PREAD64 |
2660d12d KS |
1085 | #endif |
1086 | ||
ef1b3fda KS |
1087 | #if SANITIZER_INTERCEPT_READV |
1088 | INTERCEPTOR_WITH_SUFFIX(SSIZE_T, readv, int fd, __sanitizer_iovec *iov, | |
1089 | int iovcnt) { | |
1090 | void *ctx; | |
1091 | COMMON_INTERCEPTOR_ENTER(ctx, readv, fd, iov, iovcnt); | |
df77f0e4 | 1092 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
ef1b3fda KS |
1093 | SSIZE_T res = REAL(readv)(fd, iov, iovcnt); |
1094 | if (res > 0) write_iovec(ctx, iov, iovcnt, res); | |
1095 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
1096 | return res; | |
1097 | } | |
df77f0e4 | 1098 | #define INIT_READV COMMON_INTERCEPT_FUNCTION(readv) |
ef1b3fda KS |
1099 | #else |
1100 | #define INIT_READV | |
1101 | #endif | |
1102 | ||
1103 | #if SANITIZER_INTERCEPT_PREADV | |
1104 | INTERCEPTOR(SSIZE_T, preadv, int fd, __sanitizer_iovec *iov, int iovcnt, | |
1105 | OFF_T offset) { | |
1106 | void *ctx; | |
1107 | COMMON_INTERCEPTOR_ENTER(ctx, preadv, fd, iov, iovcnt, offset); | |
df77f0e4 | 1108 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
ef1b3fda KS |
1109 | SSIZE_T res = REAL(preadv)(fd, iov, iovcnt, offset); |
1110 | if (res > 0) write_iovec(ctx, iov, iovcnt, res); | |
1111 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
1112 | return res; | |
1113 | } | |
df77f0e4 | 1114 | #define INIT_PREADV COMMON_INTERCEPT_FUNCTION(preadv) |
ef1b3fda KS |
1115 | #else |
1116 | #define INIT_PREADV | |
1117 | #endif | |
1118 | ||
1119 | #if SANITIZER_INTERCEPT_PREADV64 | |
1120 | INTERCEPTOR(SSIZE_T, preadv64, int fd, __sanitizer_iovec *iov, int iovcnt, | |
1121 | OFF64_T offset) { | |
1122 | void *ctx; | |
1123 | COMMON_INTERCEPTOR_ENTER(ctx, preadv64, fd, iov, iovcnt, offset); | |
df77f0e4 | 1124 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
ef1b3fda KS |
1125 | SSIZE_T res = REAL(preadv64)(fd, iov, iovcnt, offset); |
1126 | if (res > 0) write_iovec(ctx, iov, iovcnt, res); | |
1127 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
1128 | return res; | |
1129 | } | |
df77f0e4 | 1130 | #define INIT_PREADV64 COMMON_INTERCEPT_FUNCTION(preadv64) |
ef1b3fda KS |
1131 | #else |
1132 | #define INIT_PREADV64 | |
1133 | #endif | |
1134 | ||
2660d12d KS |
1135 | #if SANITIZER_INTERCEPT_WRITE |
1136 | INTERCEPTOR(SSIZE_T, write, int fd, void *ptr, SIZE_T count) { | |
b4ab7d34 | 1137 | void *ctx; |
2660d12d | 1138 | COMMON_INTERCEPTOR_ENTER(ctx, write, fd, ptr, count); |
df77f0e4 KS |
1139 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
1140 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
2660d12d | 1141 | SSIZE_T res = REAL(write)(fd, ptr, count); |
ef1b3fda | 1142 | // FIXME: this check should be _before_ the call to REAL(write), not after |
df77f0e4 | 1143 | if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res); |
2660d12d KS |
1144 | return res; |
1145 | } | |
df77f0e4 | 1146 | #define INIT_WRITE COMMON_INTERCEPT_FUNCTION(write) |
2660d12d | 1147 | #else |
b4ab7d34 | 1148 | #define INIT_WRITE |
2660d12d KS |
1149 | #endif |
1150 | ||
5d3805fc JJ |
1151 | #if SANITIZER_INTERCEPT_FWRITE |
1152 | INTERCEPTOR(SIZE_T, fwrite, const void *p, uptr size, uptr nmemb, void *file) { | |
1153 | // libc file streams can call user-supplied functions, see fopencookie. | |
1154 | void *ctx; | |
1155 | COMMON_INTERCEPTOR_ENTER(ctx, fwrite, p, size, nmemb, file); | |
1156 | SIZE_T res = REAL(fwrite)(p, size, nmemb, file); | |
1157 | if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, p, res * size); | |
1158 | return res; | |
1159 | } | |
1160 | #define INIT_FWRITE COMMON_INTERCEPT_FUNCTION(fwrite) | |
1161 | #else | |
1162 | #define INIT_FWRITE | |
1163 | #endif | |
1164 | ||
2660d12d | 1165 | #if SANITIZER_INTERCEPT_PWRITE |
b4ab7d34 KS |
1166 | INTERCEPTOR(SSIZE_T, pwrite, int fd, void *ptr, SIZE_T count, OFF_T offset) { |
1167 | void *ctx; | |
1168 | COMMON_INTERCEPTOR_ENTER(ctx, pwrite, fd, ptr, count, offset); | |
df77f0e4 KS |
1169 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
1170 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
b4ab7d34 | 1171 | SSIZE_T res = REAL(pwrite)(fd, ptr, count, offset); |
df77f0e4 | 1172 | if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res); |
2660d12d KS |
1173 | return res; |
1174 | } | |
df77f0e4 | 1175 | #define INIT_PWRITE COMMON_INTERCEPT_FUNCTION(pwrite) |
2660d12d | 1176 | #else |
b4ab7d34 | 1177 | #define INIT_PWRITE |
2660d12d KS |
1178 | #endif |
1179 | ||
1180 | #if SANITIZER_INTERCEPT_PWRITE64 | |
b4ab7d34 KS |
1181 | INTERCEPTOR(SSIZE_T, pwrite64, int fd, void *ptr, OFF64_T count, |
1182 | OFF64_T offset) { | |
1183 | void *ctx; | |
1184 | COMMON_INTERCEPTOR_ENTER(ctx, pwrite64, fd, ptr, count, offset); | |
df77f0e4 KS |
1185 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
1186 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
b4ab7d34 | 1187 | SSIZE_T res = REAL(pwrite64)(fd, ptr, count, offset); |
df77f0e4 | 1188 | if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res); |
2660d12d KS |
1189 | return res; |
1190 | } | |
df77f0e4 | 1191 | #define INIT_PWRITE64 COMMON_INTERCEPT_FUNCTION(pwrite64) |
2660d12d | 1192 | #else |
b4ab7d34 | 1193 | #define INIT_PWRITE64 |
2660d12d KS |
1194 | #endif |
1195 | ||
ef1b3fda KS |
1196 | #if SANITIZER_INTERCEPT_WRITEV |
1197 | INTERCEPTOR_WITH_SUFFIX(SSIZE_T, writev, int fd, __sanitizer_iovec *iov, | |
1198 | int iovcnt) { | |
1199 | void *ctx; | |
1200 | COMMON_INTERCEPTOR_ENTER(ctx, writev, fd, iov, iovcnt); | |
df77f0e4 | 1201 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
ef1b3fda KS |
1202 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); |
1203 | SSIZE_T res = REAL(writev)(fd, iov, iovcnt); | |
1204 | if (res > 0) read_iovec(ctx, iov, iovcnt, res); | |
1205 | return res; | |
1206 | } | |
df77f0e4 | 1207 | #define INIT_WRITEV COMMON_INTERCEPT_FUNCTION(writev) |
ef1b3fda KS |
1208 | #else |
1209 | #define INIT_WRITEV | |
1210 | #endif | |
1211 | ||
1212 | #if SANITIZER_INTERCEPT_PWRITEV | |
1213 | INTERCEPTOR(SSIZE_T, pwritev, int fd, __sanitizer_iovec *iov, int iovcnt, | |
1214 | OFF_T offset) { | |
1215 | void *ctx; | |
1216 | COMMON_INTERCEPTOR_ENTER(ctx, pwritev, fd, iov, iovcnt, offset); | |
df77f0e4 | 1217 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
ef1b3fda KS |
1218 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); |
1219 | SSIZE_T res = REAL(pwritev)(fd, iov, iovcnt, offset); | |
1220 | if (res > 0) read_iovec(ctx, iov, iovcnt, res); | |
1221 | return res; | |
1222 | } | |
df77f0e4 | 1223 | #define INIT_PWRITEV COMMON_INTERCEPT_FUNCTION(pwritev) |
ef1b3fda KS |
1224 | #else |
1225 | #define INIT_PWRITEV | |
1226 | #endif | |
1227 | ||
1228 | #if SANITIZER_INTERCEPT_PWRITEV64 | |
1229 | INTERCEPTOR(SSIZE_T, pwritev64, int fd, __sanitizer_iovec *iov, int iovcnt, | |
1230 | OFF64_T offset) { | |
1231 | void *ctx; | |
1232 | COMMON_INTERCEPTOR_ENTER(ctx, pwritev64, fd, iov, iovcnt, offset); | |
df77f0e4 | 1233 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
ef1b3fda KS |
1234 | if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); |
1235 | SSIZE_T res = REAL(pwritev64)(fd, iov, iovcnt, offset); | |
1236 | if (res > 0) read_iovec(ctx, iov, iovcnt, res); | |
1237 | return res; | |
1238 | } | |
df77f0e4 | 1239 | #define INIT_PWRITEV64 COMMON_INTERCEPT_FUNCTION(pwritev64) |
ef1b3fda KS |
1240 | #else |
1241 | #define INIT_PWRITEV64 | |
1242 | #endif | |
1243 | ||
eac97531 ML |
1244 | #if SANITIZER_INTERCEPT_FGETS |
1245 | INTERCEPTOR(char *, fgets, char *s, SIZE_T size, void *file) { | |
1246 | // libc file streams can call user-supplied functions, see fopencookie. | |
1247 | void *ctx; | |
1248 | COMMON_INTERCEPTOR_ENTER(ctx, fgets, s, size, file); | |
1249 | // FIXME: under ASan the call below may write to freed memory and corrupt | |
1250 | // its metadata. See | |
1251 | // https://github.com/google/sanitizers/issues/321. | |
1252 | char *res = REAL(fgets)(s, size, file); | |
1253 | if (res) | |
1254 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, REAL(strlen)(s) + 1); | |
1255 | return res; | |
1256 | } | |
1257 | #define INIT_FGETS COMMON_INTERCEPT_FUNCTION(fgets) | |
1258 | #else | |
1259 | #define INIT_FGETS | |
1260 | #endif | |
1261 | ||
1262 | #if SANITIZER_INTERCEPT_FPUTS | |
1263 | INTERCEPTOR_WITH_SUFFIX(int, fputs, char *s, void *file) { | |
1264 | // libc file streams can call user-supplied functions, see fopencookie. | |
1265 | void *ctx; | |
1266 | COMMON_INTERCEPTOR_ENTER(ctx, fputs, s, file); | |
b667dd70 ML |
1267 | if (!SANITIZER_MAC || s) { // `fputs(NULL, file)` is supported on Darwin. |
1268 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, REAL(strlen)(s) + 1); | |
1269 | } | |
eac97531 ML |
1270 | return REAL(fputs)(s, file); |
1271 | } | |
1272 | #define INIT_FPUTS COMMON_INTERCEPT_FUNCTION(fputs) | |
1273 | #else | |
1274 | #define INIT_FPUTS | |
1275 | #endif | |
1276 | ||
1277 | #if SANITIZER_INTERCEPT_PUTS | |
1278 | INTERCEPTOR(int, puts, char *s) { | |
1279 | // libc file streams can call user-supplied functions, see fopencookie. | |
1280 | void *ctx; | |
1281 | COMMON_INTERCEPTOR_ENTER(ctx, puts, s); | |
b667dd70 ML |
1282 | if (!SANITIZER_MAC || s) { // `puts(NULL)` is supported on Darwin. |
1283 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, REAL(strlen)(s) + 1); | |
1284 | } | |
eac97531 ML |
1285 | return REAL(puts)(s); |
1286 | } | |
1287 | #define INIT_PUTS COMMON_INTERCEPT_FUNCTION(puts) | |
1288 | #else | |
1289 | #define INIT_PUTS | |
1290 | #endif | |
1291 | ||
2660d12d | 1292 | #if SANITIZER_INTERCEPT_PRCTL |
3ca75cd5 ML |
1293 | INTERCEPTOR(int, prctl, int option, unsigned long arg2, unsigned long arg3, |
1294 | unsigned long arg4, unsigned long arg5) { | |
b4ab7d34 | 1295 | void *ctx; |
2660d12d KS |
1296 | COMMON_INTERCEPTOR_ENTER(ctx, prctl, option, arg2, arg3, arg4, arg5); |
1297 | static const int PR_SET_NAME = 15; | |
1298 | int res = REAL(prctl(option, arg2, arg3, arg4, arg5)); | |
1299 | if (option == PR_SET_NAME) { | |
1300 | char buff[16]; | |
b4ab7d34 | 1301 | internal_strncpy(buff, (char *)arg2, 15); |
2660d12d KS |
1302 | buff[15] = 0; |
1303 | COMMON_INTERCEPTOR_SET_THREAD_NAME(ctx, buff); | |
1304 | } | |
1305 | return res; | |
1306 | } | |
df77f0e4 | 1307 | #define INIT_PRCTL COMMON_INTERCEPT_FUNCTION(prctl) |
2660d12d | 1308 | #else |
b4ab7d34 | 1309 | #define INIT_PRCTL |
df77f0e4 | 1310 | #endif // SANITIZER_INTERCEPT_PRCTL |
ef1b3fda KS |
1311 | |
1312 | #if SANITIZER_INTERCEPT_TIME | |
1313 | INTERCEPTOR(unsigned long, time, unsigned long *t) { | |
1314 | void *ctx; | |
1315 | COMMON_INTERCEPTOR_ENTER(ctx, time, t); | |
866e32ad KS |
1316 | unsigned long local_t; |
1317 | unsigned long res = REAL(time)(&local_t); | |
ef1b3fda KS |
1318 | if (t && res != (unsigned long)-1) { |
1319 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, t, sizeof(*t)); | |
866e32ad | 1320 | *t = local_t; |
ef1b3fda KS |
1321 | } |
1322 | return res; | |
1323 | } | |
df77f0e4 | 1324 | #define INIT_TIME COMMON_INTERCEPT_FUNCTION(time); |
ef1b3fda KS |
1325 | #else |
1326 | #define INIT_TIME | |
df77f0e4 | 1327 | #endif // SANITIZER_INTERCEPT_TIME |
ef1b3fda | 1328 | |
7df59255 | 1329 | #if SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS |
df77f0e4 KS |
1330 | static void unpoison_tm(void *ctx, __sanitizer_tm *tm) { |
1331 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tm, sizeof(*tm)); | |
eac97531 | 1332 | #if !SANITIZER_SOLARIS |
df77f0e4 KS |
1333 | if (tm->tm_zone) { |
1334 | // Can not use COMMON_INTERCEPTOR_WRITE_RANGE here, because tm->tm_zone | |
1335 | // can point to shared memory and tsan would report a data race. | |
dee5ea7a | 1336 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(tm->tm_zone, |
df77f0e4 KS |
1337 | REAL(strlen(tm->tm_zone)) + 1); |
1338 | } | |
eac97531 | 1339 | #endif |
df77f0e4 KS |
1340 | } |
1341 | INTERCEPTOR(__sanitizer_tm *, localtime, unsigned long *timep) { | |
7df59255 KS |
1342 | void *ctx; |
1343 | COMMON_INTERCEPTOR_ENTER(ctx, localtime, timep); | |
df77f0e4 | 1344 | __sanitizer_tm *res = REAL(localtime)(timep); |
7df59255 KS |
1345 | if (res) { |
1346 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
df77f0e4 | 1347 | unpoison_tm(ctx, res); |
7df59255 KS |
1348 | } |
1349 | return res; | |
1350 | } | |
df77f0e4 | 1351 | INTERCEPTOR(__sanitizer_tm *, localtime_r, unsigned long *timep, void *result) { |
7df59255 KS |
1352 | void *ctx; |
1353 | COMMON_INTERCEPTOR_ENTER(ctx, localtime_r, timep, result); | |
df77f0e4 | 1354 | __sanitizer_tm *res = REAL(localtime_r)(timep, result); |
7df59255 KS |
1355 | if (res) { |
1356 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
df77f0e4 | 1357 | unpoison_tm(ctx, res); |
7df59255 KS |
1358 | } |
1359 | return res; | |
1360 | } | |
df77f0e4 | 1361 | INTERCEPTOR(__sanitizer_tm *, gmtime, unsigned long *timep) { |
7df59255 KS |
1362 | void *ctx; |
1363 | COMMON_INTERCEPTOR_ENTER(ctx, gmtime, timep); | |
df77f0e4 | 1364 | __sanitizer_tm *res = REAL(gmtime)(timep); |
7df59255 KS |
1365 | if (res) { |
1366 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
df77f0e4 | 1367 | unpoison_tm(ctx, res); |
7df59255 KS |
1368 | } |
1369 | return res; | |
1370 | } | |
df77f0e4 | 1371 | INTERCEPTOR(__sanitizer_tm *, gmtime_r, unsigned long *timep, void *result) { |
7df59255 KS |
1372 | void *ctx; |
1373 | COMMON_INTERCEPTOR_ENTER(ctx, gmtime_r, timep, result); | |
df77f0e4 | 1374 | __sanitizer_tm *res = REAL(gmtime_r)(timep, result); |
7df59255 KS |
1375 | if (res) { |
1376 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
df77f0e4 | 1377 | unpoison_tm(ctx, res); |
7df59255 KS |
1378 | } |
1379 | return res; | |
1380 | } | |
1381 | INTERCEPTOR(char *, ctime, unsigned long *timep) { | |
1382 | void *ctx; | |
1383 | COMMON_INTERCEPTOR_ENTER(ctx, ctime, timep); | |
866e32ad KS |
1384 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1385 | // its metadata. See | |
10189819 | 1386 | // https://github.com/google/sanitizers/issues/321. |
7df59255 KS |
1387 | char *res = REAL(ctime)(timep); |
1388 | if (res) { | |
1389 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
1390 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
1391 | } | |
1392 | return res; | |
1393 | } | |
1394 | INTERCEPTOR(char *, ctime_r, unsigned long *timep, char *result) { | |
1395 | void *ctx; | |
1396 | COMMON_INTERCEPTOR_ENTER(ctx, ctime_r, timep, result); | |
866e32ad KS |
1397 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1398 | // its metadata. See | |
10189819 | 1399 | // https://github.com/google/sanitizers/issues/321. |
7df59255 KS |
1400 | char *res = REAL(ctime_r)(timep, result); |
1401 | if (res) { | |
1402 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep)); | |
1403 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
1404 | } | |
1405 | return res; | |
1406 | } | |
df77f0e4 | 1407 | INTERCEPTOR(char *, asctime, __sanitizer_tm *tm) { |
7df59255 KS |
1408 | void *ctx; |
1409 | COMMON_INTERCEPTOR_ENTER(ctx, asctime, tm); | |
866e32ad KS |
1410 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1411 | // its metadata. See | |
10189819 | 1412 | // https://github.com/google/sanitizers/issues/321. |
7df59255 KS |
1413 | char *res = REAL(asctime)(tm); |
1414 | if (res) { | |
df77f0e4 | 1415 | COMMON_INTERCEPTOR_READ_RANGE(ctx, tm, sizeof(*tm)); |
7df59255 KS |
1416 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); |
1417 | } | |
1418 | return res; | |
1419 | } | |
df77f0e4 | 1420 | INTERCEPTOR(char *, asctime_r, __sanitizer_tm *tm, char *result) { |
7df59255 KS |
1421 | void *ctx; |
1422 | COMMON_INTERCEPTOR_ENTER(ctx, asctime_r, tm, result); | |
866e32ad KS |
1423 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1424 | // its metadata. See | |
10189819 | 1425 | // https://github.com/google/sanitizers/issues/321. |
7df59255 KS |
1426 | char *res = REAL(asctime_r)(tm, result); |
1427 | if (res) { | |
df77f0e4 | 1428 | COMMON_INTERCEPTOR_READ_RANGE(ctx, tm, sizeof(*tm)); |
7df59255 KS |
1429 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); |
1430 | } | |
1431 | return res; | |
1432 | } | |
dee5ea7a KS |
1433 | INTERCEPTOR(long, mktime, __sanitizer_tm *tm) { |
1434 | void *ctx; | |
1435 | COMMON_INTERCEPTOR_ENTER(ctx, mktime, tm); | |
1436 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_sec, sizeof(tm->tm_sec)); | |
1437 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_min, sizeof(tm->tm_min)); | |
1438 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_hour, sizeof(tm->tm_hour)); | |
1439 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_mday, sizeof(tm->tm_mday)); | |
1440 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_mon, sizeof(tm->tm_mon)); | |
1441 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_year, sizeof(tm->tm_year)); | |
1442 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_isdst, sizeof(tm->tm_isdst)); | |
1443 | long res = REAL(mktime)(tm); | |
1444 | if (res != -1) unpoison_tm(ctx, tm); | |
1445 | return res; | |
1446 | } | |
df77f0e4 KS |
1447 | #define INIT_LOCALTIME_AND_FRIENDS \ |
1448 | COMMON_INTERCEPT_FUNCTION(localtime); \ | |
1449 | COMMON_INTERCEPT_FUNCTION(localtime_r); \ | |
1450 | COMMON_INTERCEPT_FUNCTION(gmtime); \ | |
1451 | COMMON_INTERCEPT_FUNCTION(gmtime_r); \ | |
1452 | COMMON_INTERCEPT_FUNCTION(ctime); \ | |
1453 | COMMON_INTERCEPT_FUNCTION(ctime_r); \ | |
1454 | COMMON_INTERCEPT_FUNCTION(asctime); \ | |
dee5ea7a KS |
1455 | COMMON_INTERCEPT_FUNCTION(asctime_r); \ |
1456 | COMMON_INTERCEPT_FUNCTION(mktime); | |
7df59255 KS |
1457 | #else |
1458 | #define INIT_LOCALTIME_AND_FRIENDS | |
df77f0e4 KS |
1459 | #endif // SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS |
1460 | ||
1461 | #if SANITIZER_INTERCEPT_STRPTIME | |
1462 | INTERCEPTOR(char *, strptime, char *s, char *format, __sanitizer_tm *tm) { | |
1463 | void *ctx; | |
1464 | COMMON_INTERCEPTOR_ENTER(ctx, strptime, s, format, tm); | |
1465 | if (format) | |
1466 | COMMON_INTERCEPTOR_READ_RANGE(ctx, format, REAL(strlen)(format) + 1); | |
866e32ad KS |
1467 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1468 | // its metadata. See | |
10189819 | 1469 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 | 1470 | char *res = REAL(strptime)(s, format, tm); |
696d846a MO |
1471 | COMMON_INTERCEPTOR_READ_STRING(ctx, s, res ? res - s : 0); |
1472 | if (res && tm) { | |
df77f0e4 KS |
1473 | // Do not call unpoison_tm here, because strptime does not, in fact, |
1474 | // initialize the entire struct tm. For example, tm_zone pointer is left | |
1475 | // uninitialized. | |
696d846a | 1476 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tm, sizeof(*tm)); |
df77f0e4 KS |
1477 | } |
1478 | return res; | |
1479 | } | |
1480 | #define INIT_STRPTIME COMMON_INTERCEPT_FUNCTION(strptime); | |
1481 | #else | |
1482 | #define INIT_STRPTIME | |
1483 | #endif | |
7df59255 | 1484 | |
dee5ea7a KS |
1485 | #if SANITIZER_INTERCEPT_SCANF || SANITIZER_INTERCEPT_PRINTF |
1486 | #include "sanitizer_common_interceptors_format.inc" | |
2660d12d | 1487 | |
dee5ea7a KS |
1488 | #define FORMAT_INTERCEPTOR_IMPL(name, vname, ...) \ |
1489 | { \ | |
1490 | void *ctx; \ | |
1491 | va_list ap; \ | |
1492 | va_start(ap, format); \ | |
1493 | COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__, ap); \ | |
1494 | int res = WRAP(vname)(__VA_ARGS__, ap); \ | |
1495 | va_end(ap); \ | |
1496 | return res; \ | |
1497 | } | |
1498 | ||
1499 | #endif | |
1500 | ||
1501 | #if SANITIZER_INTERCEPT_SCANF | |
2660d12d | 1502 | |
b4ab7d34 KS |
1503 | #define VSCANF_INTERCEPTOR_IMPL(vname, allowGnuMalloc, ...) \ |
1504 | { \ | |
1505 | void *ctx; \ | |
1506 | COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__); \ | |
1507 | va_list aq; \ | |
1508 | va_copy(aq, ap); \ | |
1509 | int res = REAL(vname)(__VA_ARGS__); \ | |
1510 | if (res > 0) \ | |
1511 | scanf_common(ctx, res, allowGnuMalloc, format, aq); \ | |
1512 | va_end(aq); \ | |
1513 | return res; \ | |
1514 | } | |
2660d12d | 1515 | |
b4ab7d34 KS |
1516 | INTERCEPTOR(int, vscanf, const char *format, va_list ap) |
1517 | VSCANF_INTERCEPTOR_IMPL(vscanf, true, format, ap) | |
2660d12d | 1518 | |
b4ab7d34 KS |
1519 | INTERCEPTOR(int, vsscanf, const char *str, const char *format, va_list ap) |
1520 | VSCANF_INTERCEPTOR_IMPL(vsscanf, true, str, format, ap) | |
2660d12d | 1521 | |
b4ab7d34 KS |
1522 | INTERCEPTOR(int, vfscanf, void *stream, const char *format, va_list ap) |
1523 | VSCANF_INTERCEPTOR_IMPL(vfscanf, true, stream, format, ap) | |
2660d12d | 1524 | |
7df59255 | 1525 | #if SANITIZER_INTERCEPT_ISOC99_SCANF |
b4ab7d34 KS |
1526 | INTERCEPTOR(int, __isoc99_vscanf, const char *format, va_list ap) |
1527 | VSCANF_INTERCEPTOR_IMPL(__isoc99_vscanf, false, format, ap) | |
2660d12d | 1528 | |
b4ab7d34 KS |
1529 | INTERCEPTOR(int, __isoc99_vsscanf, const char *str, const char *format, |
1530 | va_list ap) | |
1531 | VSCANF_INTERCEPTOR_IMPL(__isoc99_vsscanf, false, str, format, ap) | |
1532 | ||
1533 | INTERCEPTOR(int, __isoc99_vfscanf, void *stream, const char *format, va_list ap) | |
1534 | VSCANF_INTERCEPTOR_IMPL(__isoc99_vfscanf, false, stream, format, ap) | |
7df59255 | 1535 | #endif // SANITIZER_INTERCEPT_ISOC99_SCANF |
b4ab7d34 | 1536 | |
b4ab7d34 | 1537 | INTERCEPTOR(int, scanf, const char *format, ...) |
dee5ea7a | 1538 | FORMAT_INTERCEPTOR_IMPL(scanf, vscanf, format) |
b4ab7d34 KS |
1539 | |
1540 | INTERCEPTOR(int, fscanf, void *stream, const char *format, ...) | |
dee5ea7a | 1541 | FORMAT_INTERCEPTOR_IMPL(fscanf, vfscanf, stream, format) |
b4ab7d34 KS |
1542 | |
1543 | INTERCEPTOR(int, sscanf, const char *str, const char *format, ...) | |
dee5ea7a | 1544 | FORMAT_INTERCEPTOR_IMPL(sscanf, vsscanf, str, format) |
b4ab7d34 | 1545 | |
7df59255 | 1546 | #if SANITIZER_INTERCEPT_ISOC99_SCANF |
b4ab7d34 | 1547 | INTERCEPTOR(int, __isoc99_scanf, const char *format, ...) |
dee5ea7a | 1548 | FORMAT_INTERCEPTOR_IMPL(__isoc99_scanf, __isoc99_vscanf, format) |
b4ab7d34 KS |
1549 | |
1550 | INTERCEPTOR(int, __isoc99_fscanf, void *stream, const char *format, ...) | |
dee5ea7a | 1551 | FORMAT_INTERCEPTOR_IMPL(__isoc99_fscanf, __isoc99_vfscanf, stream, format) |
b4ab7d34 KS |
1552 | |
1553 | INTERCEPTOR(int, __isoc99_sscanf, const char *str, const char *format, ...) | |
dee5ea7a | 1554 | FORMAT_INTERCEPTOR_IMPL(__isoc99_sscanf, __isoc99_vsscanf, str, format) |
7df59255 | 1555 | #endif |
2660d12d | 1556 | |
ef1b3fda | 1557 | #endif |
2660d12d | 1558 | |
ef1b3fda | 1559 | #if SANITIZER_INTERCEPT_SCANF |
df77f0e4 | 1560 | #define INIT_SCANF \ |
5d3805fc JJ |
1561 | COMMON_INTERCEPT_FUNCTION_LDBL(scanf); \ |
1562 | COMMON_INTERCEPT_FUNCTION_LDBL(sscanf); \ | |
1563 | COMMON_INTERCEPT_FUNCTION_LDBL(fscanf); \ | |
1564 | COMMON_INTERCEPT_FUNCTION_LDBL(vscanf); \ | |
1565 | COMMON_INTERCEPT_FUNCTION_LDBL(vsscanf); \ | |
1566 | COMMON_INTERCEPT_FUNCTION_LDBL(vfscanf); | |
2660d12d KS |
1567 | #else |
1568 | #define INIT_SCANF | |
1569 | #endif | |
1570 | ||
ef1b3fda | 1571 | #if SANITIZER_INTERCEPT_ISOC99_SCANF |
df77f0e4 KS |
1572 | #define INIT_ISOC99_SCANF \ |
1573 | COMMON_INTERCEPT_FUNCTION(__isoc99_scanf); \ | |
1574 | COMMON_INTERCEPT_FUNCTION(__isoc99_sscanf); \ | |
1575 | COMMON_INTERCEPT_FUNCTION(__isoc99_fscanf); \ | |
1576 | COMMON_INTERCEPT_FUNCTION(__isoc99_vscanf); \ | |
1577 | COMMON_INTERCEPT_FUNCTION(__isoc99_vsscanf); \ | |
1578 | COMMON_INTERCEPT_FUNCTION(__isoc99_vfscanf); | |
ef1b3fda KS |
1579 | #else |
1580 | #define INIT_ISOC99_SCANF | |
1581 | #endif | |
1582 | ||
dee5ea7a KS |
1583 | #if SANITIZER_INTERCEPT_PRINTF |
1584 | ||
1585 | #define VPRINTF_INTERCEPTOR_ENTER(vname, ...) \ | |
1586 | void *ctx; \ | |
1587 | COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__); \ | |
1588 | va_list aq; \ | |
1589 | va_copy(aq, ap); | |
1590 | ||
1591 | #define VPRINTF_INTERCEPTOR_RETURN() \ | |
1592 | va_end(aq); | |
1593 | ||
1594 | #define VPRINTF_INTERCEPTOR_IMPL(vname, ...) \ | |
1595 | { \ | |
1596 | VPRINTF_INTERCEPTOR_ENTER(vname, __VA_ARGS__); \ | |
1597 | if (common_flags()->check_printf) \ | |
1598 | printf_common(ctx, format, aq); \ | |
1599 | int res = REAL(vname)(__VA_ARGS__); \ | |
1600 | VPRINTF_INTERCEPTOR_RETURN(); \ | |
1601 | return res; \ | |
1602 | } | |
1603 | ||
866e32ad KS |
1604 | // FIXME: under ASan the REAL() call below may write to freed memory and |
1605 | // corrupt its metadata. See | |
10189819 | 1606 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
1607 | #define VSPRINTF_INTERCEPTOR_IMPL(vname, str, ...) \ |
1608 | { \ | |
1609 | VPRINTF_INTERCEPTOR_ENTER(vname, str, __VA_ARGS__) \ | |
1610 | if (common_flags()->check_printf) { \ | |
1611 | printf_common(ctx, format, aq); \ | |
1612 | } \ | |
1613 | int res = REAL(vname)(str, __VA_ARGS__); \ | |
1614 | if (res >= 0) { \ | |
1615 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, str, res + 1); \ | |
1616 | } \ | |
1617 | VPRINTF_INTERCEPTOR_RETURN(); \ | |
1618 | return res; \ | |
1619 | } | |
1620 | ||
866e32ad KS |
1621 | // FIXME: under ASan the REAL() call below may write to freed memory and |
1622 | // corrupt its metadata. See | |
10189819 | 1623 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
1624 | #define VSNPRINTF_INTERCEPTOR_IMPL(vname, str, size, ...) \ |
1625 | { \ | |
1626 | VPRINTF_INTERCEPTOR_ENTER(vname, str, size, __VA_ARGS__) \ | |
1627 | if (common_flags()->check_printf) { \ | |
1628 | printf_common(ctx, format, aq); \ | |
1629 | } \ | |
1630 | int res = REAL(vname)(str, size, __VA_ARGS__); \ | |
1631 | if (res >= 0) { \ | |
1632 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, str, Min(size, (SIZE_T)(res + 1))); \ | |
1633 | } \ | |
1634 | VPRINTF_INTERCEPTOR_RETURN(); \ | |
1635 | return res; \ | |
1636 | } | |
1637 | ||
866e32ad KS |
1638 | // FIXME: under ASan the REAL() call below may write to freed memory and |
1639 | // corrupt its metadata. See | |
10189819 | 1640 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
1641 | #define VASPRINTF_INTERCEPTOR_IMPL(vname, strp, ...) \ |
1642 | { \ | |
1643 | VPRINTF_INTERCEPTOR_ENTER(vname, strp, __VA_ARGS__) \ | |
1644 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, strp, sizeof(char *)); \ | |
1645 | if (common_flags()->check_printf) { \ | |
1646 | printf_common(ctx, format, aq); \ | |
1647 | } \ | |
1648 | int res = REAL(vname)(strp, __VA_ARGS__); \ | |
1649 | if (res >= 0) { \ | |
1650 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *strp, res + 1); \ | |
1651 | } \ | |
1652 | VPRINTF_INTERCEPTOR_RETURN(); \ | |
1653 | return res; \ | |
1654 | } | |
1655 | ||
1656 | INTERCEPTOR(int, vprintf, const char *format, va_list ap) | |
1657 | VPRINTF_INTERCEPTOR_IMPL(vprintf, format, ap) | |
1658 | ||
1659 | INTERCEPTOR(int, vfprintf, __sanitizer_FILE *stream, const char *format, | |
1660 | va_list ap) | |
1661 | VPRINTF_INTERCEPTOR_IMPL(vfprintf, stream, format, ap) | |
1662 | ||
1663 | INTERCEPTOR(int, vsnprintf, char *str, SIZE_T size, const char *format, | |
1664 | va_list ap) | |
1665 | VSNPRINTF_INTERCEPTOR_IMPL(vsnprintf, str, size, format, ap) | |
1666 | ||
eac97531 ML |
1667 | #if SANITIZER_INTERCEPT___PRINTF_CHK |
1668 | INTERCEPTOR(int, __vsnprintf_chk, char *str, SIZE_T size, int flag, | |
1669 | SIZE_T size_to, const char *format, va_list ap) | |
1670 | VSNPRINTF_INTERCEPTOR_IMPL(vsnprintf, str, size, format, ap) | |
1671 | #endif | |
1672 | ||
696d846a MO |
1673 | #if SANITIZER_INTERCEPT_PRINTF_L |
1674 | INTERCEPTOR(int, vsnprintf_l, char *str, SIZE_T size, void *loc, | |
1675 | const char *format, va_list ap) | |
1676 | VSNPRINTF_INTERCEPTOR_IMPL(vsnprintf_l, str, size, loc, format, ap) | |
1677 | ||
1678 | INTERCEPTOR(int, snprintf_l, char *str, SIZE_T size, void *loc, | |
1679 | const char *format, ...) | |
1680 | FORMAT_INTERCEPTOR_IMPL(snprintf_l, vsnprintf_l, str, size, loc, format) | |
1681 | #endif // SANITIZER_INTERCEPT_PRINTF_L | |
1682 | ||
dee5ea7a KS |
1683 | INTERCEPTOR(int, vsprintf, char *str, const char *format, va_list ap) |
1684 | VSPRINTF_INTERCEPTOR_IMPL(vsprintf, str, format, ap) | |
1685 | ||
eac97531 ML |
1686 | #if SANITIZER_INTERCEPT___PRINTF_CHK |
1687 | INTERCEPTOR(int, __vsprintf_chk, char *str, int flag, SIZE_T size_to, | |
1688 | const char *format, va_list ap) | |
1689 | VSPRINTF_INTERCEPTOR_IMPL(vsprintf, str, format, ap) | |
1690 | #endif | |
1691 | ||
dee5ea7a KS |
1692 | INTERCEPTOR(int, vasprintf, char **strp, const char *format, va_list ap) |
1693 | VASPRINTF_INTERCEPTOR_IMPL(vasprintf, strp, format, ap) | |
1694 | ||
1695 | #if SANITIZER_INTERCEPT_ISOC99_PRINTF | |
1696 | INTERCEPTOR(int, __isoc99_vprintf, const char *format, va_list ap) | |
1697 | VPRINTF_INTERCEPTOR_IMPL(__isoc99_vprintf, format, ap) | |
1698 | ||
1699 | INTERCEPTOR(int, __isoc99_vfprintf, __sanitizer_FILE *stream, | |
1700 | const char *format, va_list ap) | |
1701 | VPRINTF_INTERCEPTOR_IMPL(__isoc99_vfprintf, stream, format, ap) | |
1702 | ||
1703 | INTERCEPTOR(int, __isoc99_vsnprintf, char *str, SIZE_T size, const char *format, | |
1704 | va_list ap) | |
1705 | VSNPRINTF_INTERCEPTOR_IMPL(__isoc99_vsnprintf, str, size, format, ap) | |
1706 | ||
1707 | INTERCEPTOR(int, __isoc99_vsprintf, char *str, const char *format, | |
1708 | va_list ap) | |
1709 | VSPRINTF_INTERCEPTOR_IMPL(__isoc99_vsprintf, str, format, | |
1710 | ap) | |
1711 | ||
1712 | #endif // SANITIZER_INTERCEPT_ISOC99_PRINTF | |
1713 | ||
1714 | INTERCEPTOR(int, printf, const char *format, ...) | |
1715 | FORMAT_INTERCEPTOR_IMPL(printf, vprintf, format) | |
1716 | ||
1717 | INTERCEPTOR(int, fprintf, __sanitizer_FILE *stream, const char *format, ...) | |
1718 | FORMAT_INTERCEPTOR_IMPL(fprintf, vfprintf, stream, format) | |
1719 | ||
eac97531 ML |
1720 | #if SANITIZER_INTERCEPT___PRINTF_CHK |
1721 | INTERCEPTOR(int, __fprintf_chk, __sanitizer_FILE *stream, SIZE_T size, | |
1722 | const char *format, ...) | |
1723 | FORMAT_INTERCEPTOR_IMPL(__fprintf_chk, vfprintf, stream, format) | |
1724 | #endif | |
1725 | ||
3ca75cd5 ML |
1726 | INTERCEPTOR(int, sprintf, char *str, const char *format, ...) |
1727 | FORMAT_INTERCEPTOR_IMPL(sprintf, vsprintf, str, format) | |
dee5ea7a | 1728 | |
eac97531 ML |
1729 | #if SANITIZER_INTERCEPT___PRINTF_CHK |
1730 | INTERCEPTOR(int, __sprintf_chk, char *str, int flag, SIZE_T size_to, | |
3ca75cd5 ML |
1731 | const char *format, ...) |
1732 | FORMAT_INTERCEPTOR_IMPL(__sprintf_chk, vsprintf, str, format) | |
eac97531 ML |
1733 | #endif |
1734 | ||
dee5ea7a KS |
1735 | INTERCEPTOR(int, snprintf, char *str, SIZE_T size, const char *format, ...) |
1736 | FORMAT_INTERCEPTOR_IMPL(snprintf, vsnprintf, str, size, format) | |
1737 | ||
eac97531 ML |
1738 | #if SANITIZER_INTERCEPT___PRINTF_CHK |
1739 | INTERCEPTOR(int, __snprintf_chk, char *str, SIZE_T size, int flag, | |
3ca75cd5 ML |
1740 | SIZE_T size_to, const char *format, ...) |
1741 | FORMAT_INTERCEPTOR_IMPL(__snprintf_chk, vsnprintf, str, size, format) | |
eac97531 ML |
1742 | #endif |
1743 | ||
dee5ea7a KS |
1744 | INTERCEPTOR(int, asprintf, char **strp, const char *format, ...) |
1745 | FORMAT_INTERCEPTOR_IMPL(asprintf, vasprintf, strp, format) | |
1746 | ||
1747 | #if SANITIZER_INTERCEPT_ISOC99_PRINTF | |
1748 | INTERCEPTOR(int, __isoc99_printf, const char *format, ...) | |
1749 | FORMAT_INTERCEPTOR_IMPL(__isoc99_printf, __isoc99_vprintf, format) | |
1750 | ||
1751 | INTERCEPTOR(int, __isoc99_fprintf, __sanitizer_FILE *stream, const char *format, | |
1752 | ...) | |
1753 | FORMAT_INTERCEPTOR_IMPL(__isoc99_fprintf, __isoc99_vfprintf, stream, format) | |
1754 | ||
1755 | INTERCEPTOR(int, __isoc99_sprintf, char *str, const char *format, ...) | |
1756 | FORMAT_INTERCEPTOR_IMPL(__isoc99_sprintf, __isoc99_vsprintf, str, format) | |
1757 | ||
1758 | INTERCEPTOR(int, __isoc99_snprintf, char *str, SIZE_T size, | |
1759 | const char *format, ...) | |
1760 | FORMAT_INTERCEPTOR_IMPL(__isoc99_snprintf, __isoc99_vsnprintf, str, size, | |
1761 | format) | |
1762 | ||
1763 | #endif // SANITIZER_INTERCEPT_ISOC99_PRINTF | |
1764 | ||
1765 | #endif // SANITIZER_INTERCEPT_PRINTF | |
1766 | ||
1767 | #if SANITIZER_INTERCEPT_PRINTF | |
1768 | #define INIT_PRINTF \ | |
5d3805fc JJ |
1769 | COMMON_INTERCEPT_FUNCTION_LDBL(printf); \ |
1770 | COMMON_INTERCEPT_FUNCTION_LDBL(sprintf); \ | |
1771 | COMMON_INTERCEPT_FUNCTION_LDBL(snprintf); \ | |
1772 | COMMON_INTERCEPT_FUNCTION_LDBL(asprintf); \ | |
1773 | COMMON_INTERCEPT_FUNCTION_LDBL(fprintf); \ | |
1774 | COMMON_INTERCEPT_FUNCTION_LDBL(vprintf); \ | |
1775 | COMMON_INTERCEPT_FUNCTION_LDBL(vsprintf); \ | |
1776 | COMMON_INTERCEPT_FUNCTION_LDBL(vsnprintf); \ | |
1777 | COMMON_INTERCEPT_FUNCTION_LDBL(vasprintf); \ | |
1778 | COMMON_INTERCEPT_FUNCTION_LDBL(vfprintf); | |
dee5ea7a KS |
1779 | #else |
1780 | #define INIT_PRINTF | |
1781 | #endif | |
1782 | ||
eac97531 ML |
1783 | #if SANITIZER_INTERCEPT___PRINTF_CHK |
1784 | #define INIT___PRINTF_CHK \ | |
1785 | COMMON_INTERCEPT_FUNCTION(__sprintf_chk); \ | |
1786 | COMMON_INTERCEPT_FUNCTION(__snprintf_chk); \ | |
1787 | COMMON_INTERCEPT_FUNCTION(__vsprintf_chk); \ | |
1788 | COMMON_INTERCEPT_FUNCTION(__vsnprintf_chk); \ | |
1789 | COMMON_INTERCEPT_FUNCTION(__fprintf_chk); | |
1790 | #else | |
1791 | #define INIT___PRINTF_CHK | |
1792 | #endif | |
1793 | ||
696d846a MO |
1794 | #if SANITIZER_INTERCEPT_PRINTF_L |
1795 | #define INIT_PRINTF_L \ | |
1796 | COMMON_INTERCEPT_FUNCTION(snprintf_l); \ | |
1797 | COMMON_INTERCEPT_FUNCTION(vsnprintf_l); | |
1798 | #else | |
1799 | #define INIT_PRINTF_L | |
1800 | #endif | |
1801 | ||
dee5ea7a KS |
1802 | #if SANITIZER_INTERCEPT_ISOC99_PRINTF |
1803 | #define INIT_ISOC99_PRINTF \ | |
1804 | COMMON_INTERCEPT_FUNCTION(__isoc99_printf); \ | |
1805 | COMMON_INTERCEPT_FUNCTION(__isoc99_sprintf); \ | |
1806 | COMMON_INTERCEPT_FUNCTION(__isoc99_snprintf); \ | |
1807 | COMMON_INTERCEPT_FUNCTION(__isoc99_fprintf); \ | |
1808 | COMMON_INTERCEPT_FUNCTION(__isoc99_vprintf); \ | |
1809 | COMMON_INTERCEPT_FUNCTION(__isoc99_vsprintf); \ | |
1810 | COMMON_INTERCEPT_FUNCTION(__isoc99_vsnprintf); \ | |
1811 | COMMON_INTERCEPT_FUNCTION(__isoc99_vfprintf); | |
1812 | #else | |
1813 | #define INIT_ISOC99_PRINTF | |
1814 | #endif | |
1815 | ||
ef1b3fda KS |
1816 | #if SANITIZER_INTERCEPT_IOCTL |
1817 | #include "sanitizer_common_interceptors_ioctl.inc" | |
eac97531 | 1818 | #include "sanitizer_interceptors_ioctl_netbsd.inc" |
696d846a MO |
1819 | INTERCEPTOR(int, ioctl, int d, unsigned long request, ...) { |
1820 | // We need a frame pointer, because we call into ioctl_common_[pre|post] which | |
1821 | // can trigger a report and we need to be able to unwind through this | |
1822 | // function. On Mac in debug mode we might not have a frame pointer, because | |
1823 | // ioctl_common_[pre|post] doesn't get inlined here. | |
1824 | ENABLE_FRAME_POINTER; | |
1825 | ||
1826 | void *ctx; | |
1827 | va_list ap; | |
1828 | va_start(ap, request); | |
1829 | void *arg = va_arg(ap, void *); | |
1830 | va_end(ap); | |
ef1b3fda KS |
1831 | COMMON_INTERCEPTOR_ENTER(ctx, ioctl, d, request, arg); |
1832 | ||
1833 | CHECK(ioctl_initialized); | |
1834 | ||
1835 | // Note: TSan does not use common flags, and they are zero-initialized. | |
1836 | // This effectively disables ioctl handling in TSan. | |
df77f0e4 | 1837 | if (!common_flags()->handle_ioctl) return REAL(ioctl)(d, request, arg); |
ef1b3fda | 1838 | |
696d846a MO |
1839 | // Although request is unsigned long, the rest of the interceptor uses it |
1840 | // as just "unsigned" to save space, because we know that all values fit in | |
1841 | // "unsigned" - they are compile-time constants. | |
1842 | ||
ef1b3fda | 1843 | const ioctl_desc *desc = ioctl_lookup(request); |
dee5ea7a KS |
1844 | ioctl_desc decoded_desc; |
1845 | if (!desc) { | |
1846 | VPrintf(2, "Decoding unknown ioctl 0x%x\n", request); | |
1847 | if (!ioctl_decode(request, &decoded_desc)) | |
1848 | Printf("WARNING: failed decoding unknown ioctl 0x%x\n", request); | |
1849 | else | |
1850 | desc = &decoded_desc; | |
1851 | } | |
ef1b3fda | 1852 | |
df77f0e4 | 1853 | if (desc) ioctl_common_pre(ctx, desc, d, request, arg); |
ef1b3fda KS |
1854 | int res = REAL(ioctl)(d, request, arg); |
1855 | // FIXME: some ioctls have different return values for success and failure. | |
df77f0e4 | 1856 | if (desc && res != -1) ioctl_common_post(ctx, desc, res, d, request, arg); |
ef1b3fda KS |
1857 | return res; |
1858 | } | |
1859 | #define INIT_IOCTL \ | |
1860 | ioctl_init(); \ | |
df77f0e4 | 1861 | COMMON_INTERCEPT_FUNCTION(ioctl); |
ef1b3fda KS |
1862 | #else |
1863 | #define INIT_IOCTL | |
1864 | #endif | |
1865 | ||
b667dd70 ML |
1866 | #if SANITIZER_POSIX |
1867 | UNUSED static void unpoison_passwd(void *ctx, __sanitizer_passwd *pwd) { | |
dee5ea7a KS |
1868 | if (pwd) { |
1869 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd, sizeof(*pwd)); | |
1870 | if (pwd->pw_name) | |
b667dd70 ML |
1871 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_name, |
1872 | REAL(strlen)(pwd->pw_name) + 1); | |
dee5ea7a | 1873 | if (pwd->pw_passwd) |
b667dd70 ML |
1874 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_passwd, |
1875 | REAL(strlen)(pwd->pw_passwd) + 1); | |
dee5ea7a KS |
1876 | #if !SANITIZER_ANDROID |
1877 | if (pwd->pw_gecos) | |
b667dd70 ML |
1878 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_gecos, |
1879 | REAL(strlen)(pwd->pw_gecos) + 1); | |
dee5ea7a | 1880 | #endif |
98f792ff | 1881 | #if SANITIZER_MAC || SANITIZER_FREEBSD || SANITIZER_NETBSD |
dee5ea7a | 1882 | if (pwd->pw_class) |
b667dd70 ML |
1883 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_class, |
1884 | REAL(strlen)(pwd->pw_class) + 1); | |
dee5ea7a KS |
1885 | #endif |
1886 | if (pwd->pw_dir) | |
b667dd70 ML |
1887 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_dir, |
1888 | REAL(strlen)(pwd->pw_dir) + 1); | |
dee5ea7a | 1889 | if (pwd->pw_shell) |
b667dd70 ML |
1890 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_shell, |
1891 | REAL(strlen)(pwd->pw_shell) + 1); | |
dee5ea7a KS |
1892 | } |
1893 | } | |
1894 | ||
b667dd70 | 1895 | UNUSED static void unpoison_group(void *ctx, __sanitizer_group *grp) { |
dee5ea7a KS |
1896 | if (grp) { |
1897 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp, sizeof(*grp)); | |
1898 | if (grp->gr_name) | |
b667dd70 ML |
1899 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp->gr_name, |
1900 | REAL(strlen)(grp->gr_name) + 1); | |
dee5ea7a | 1901 | if (grp->gr_passwd) |
b667dd70 ML |
1902 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp->gr_passwd, |
1903 | REAL(strlen)(grp->gr_passwd) + 1); | |
dee5ea7a KS |
1904 | char **p = grp->gr_mem; |
1905 | for (; *p; ++p) { | |
b667dd70 | 1906 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, REAL(strlen)(*p) + 1); |
dee5ea7a | 1907 | } |
b667dd70 ML |
1908 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp->gr_mem, |
1909 | (p - grp->gr_mem + 1) * sizeof(*p)); | |
dee5ea7a KS |
1910 | } |
1911 | } | |
b667dd70 | 1912 | #endif // SANITIZER_POSIX |
dee5ea7a | 1913 | |
ef1b3fda | 1914 | #if SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS |
dee5ea7a | 1915 | INTERCEPTOR(__sanitizer_passwd *, getpwnam, const char *name) { |
ef1b3fda KS |
1916 | void *ctx; |
1917 | COMMON_INTERCEPTOR_ENTER(ctx, getpwnam, name); | |
eac97531 ML |
1918 | if (name) |
1919 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
dee5ea7a | 1920 | __sanitizer_passwd *res = REAL(getpwnam)(name); |
b667dd70 | 1921 | unpoison_passwd(ctx, res); |
ef1b3fda KS |
1922 | return res; |
1923 | } | |
dee5ea7a | 1924 | INTERCEPTOR(__sanitizer_passwd *, getpwuid, u32 uid) { |
ef1b3fda KS |
1925 | void *ctx; |
1926 | COMMON_INTERCEPTOR_ENTER(ctx, getpwuid, uid); | |
dee5ea7a | 1927 | __sanitizer_passwd *res = REAL(getpwuid)(uid); |
b667dd70 | 1928 | unpoison_passwd(ctx, res); |
ef1b3fda KS |
1929 | return res; |
1930 | } | |
dee5ea7a | 1931 | INTERCEPTOR(__sanitizer_group *, getgrnam, const char *name) { |
ef1b3fda KS |
1932 | void *ctx; |
1933 | COMMON_INTERCEPTOR_ENTER(ctx, getgrnam, name); | |
1934 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
dee5ea7a | 1935 | __sanitizer_group *res = REAL(getgrnam)(name); |
b667dd70 | 1936 | unpoison_group(ctx, res); |
ef1b3fda KS |
1937 | return res; |
1938 | } | |
dee5ea7a | 1939 | INTERCEPTOR(__sanitizer_group *, getgrgid, u32 gid) { |
ef1b3fda KS |
1940 | void *ctx; |
1941 | COMMON_INTERCEPTOR_ENTER(ctx, getgrgid, gid); | |
dee5ea7a | 1942 | __sanitizer_group *res = REAL(getgrgid)(gid); |
b667dd70 | 1943 | unpoison_group(ctx, res); |
ef1b3fda KS |
1944 | return res; |
1945 | } | |
df77f0e4 KS |
1946 | #define INIT_GETPWNAM_AND_FRIENDS \ |
1947 | COMMON_INTERCEPT_FUNCTION(getpwnam); \ | |
1948 | COMMON_INTERCEPT_FUNCTION(getpwuid); \ | |
1949 | COMMON_INTERCEPT_FUNCTION(getgrnam); \ | |
1950 | COMMON_INTERCEPT_FUNCTION(getgrgid); | |
ef1b3fda KS |
1951 | #else |
1952 | #define INIT_GETPWNAM_AND_FRIENDS | |
1953 | #endif | |
1954 | ||
ef1b3fda | 1955 | #if SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS |
dee5ea7a KS |
1956 | INTERCEPTOR(int, getpwnam_r, const char *name, __sanitizer_passwd *pwd, |
1957 | char *buf, SIZE_T buflen, __sanitizer_passwd **result) { | |
ef1b3fda KS |
1958 | void *ctx; |
1959 | COMMON_INTERCEPTOR_ENTER(ctx, getpwnam_r, name, pwd, buf, buflen, result); | |
1960 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
866e32ad KS |
1961 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1962 | // its metadata. See | |
10189819 | 1963 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 1964 | int res = REAL(getpwnam_r)(name, pwd, buf, buflen, result); |
b667dd70 ML |
1965 | if (!res && result) |
1966 | unpoison_passwd(ctx, *result); | |
dee5ea7a | 1967 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); |
ef1b3fda KS |
1968 | return res; |
1969 | } | |
dee5ea7a KS |
1970 | INTERCEPTOR(int, getpwuid_r, u32 uid, __sanitizer_passwd *pwd, char *buf, |
1971 | SIZE_T buflen, __sanitizer_passwd **result) { | |
ef1b3fda KS |
1972 | void *ctx; |
1973 | COMMON_INTERCEPTOR_ENTER(ctx, getpwuid_r, uid, pwd, buf, buflen, result); | |
866e32ad KS |
1974 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1975 | // its metadata. See | |
10189819 | 1976 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 1977 | int res = REAL(getpwuid_r)(uid, pwd, buf, buflen, result); |
b667dd70 ML |
1978 | if (!res && result) |
1979 | unpoison_passwd(ctx, *result); | |
dee5ea7a | 1980 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); |
ef1b3fda KS |
1981 | return res; |
1982 | } | |
dee5ea7a KS |
1983 | INTERCEPTOR(int, getgrnam_r, const char *name, __sanitizer_group *grp, |
1984 | char *buf, SIZE_T buflen, __sanitizer_group **result) { | |
ef1b3fda KS |
1985 | void *ctx; |
1986 | COMMON_INTERCEPTOR_ENTER(ctx, getgrnam_r, name, grp, buf, buflen, result); | |
1987 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
866e32ad KS |
1988 | // FIXME: under ASan the call below may write to freed memory and corrupt |
1989 | // its metadata. See | |
10189819 | 1990 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 1991 | int res = REAL(getgrnam_r)(name, grp, buf, buflen, result); |
b667dd70 ML |
1992 | if (!res && result) |
1993 | unpoison_group(ctx, *result); | |
dee5ea7a | 1994 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); |
ef1b3fda KS |
1995 | return res; |
1996 | } | |
dee5ea7a KS |
1997 | INTERCEPTOR(int, getgrgid_r, u32 gid, __sanitizer_group *grp, char *buf, |
1998 | SIZE_T buflen, __sanitizer_group **result) { | |
ef1b3fda KS |
1999 | void *ctx; |
2000 | COMMON_INTERCEPTOR_ENTER(ctx, getgrgid_r, gid, grp, buf, buflen, result); | |
866e32ad KS |
2001 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2002 | // its metadata. See | |
10189819 | 2003 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 2004 | int res = REAL(getgrgid_r)(gid, grp, buf, buflen, result); |
b667dd70 ML |
2005 | if (!res && result) |
2006 | unpoison_group(ctx, *result); | |
dee5ea7a | 2007 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); |
ef1b3fda KS |
2008 | return res; |
2009 | } | |
df77f0e4 KS |
2010 | #define INIT_GETPWNAM_R_AND_FRIENDS \ |
2011 | COMMON_INTERCEPT_FUNCTION(getpwnam_r); \ | |
2012 | COMMON_INTERCEPT_FUNCTION(getpwuid_r); \ | |
2013 | COMMON_INTERCEPT_FUNCTION(getgrnam_r); \ | |
2014 | COMMON_INTERCEPT_FUNCTION(getgrgid_r); | |
ef1b3fda KS |
2015 | #else |
2016 | #define INIT_GETPWNAM_R_AND_FRIENDS | |
2017 | #endif | |
2018 | ||
dee5ea7a KS |
2019 | #if SANITIZER_INTERCEPT_GETPWENT |
2020 | INTERCEPTOR(__sanitizer_passwd *, getpwent, int dummy) { | |
2021 | void *ctx; | |
2022 | COMMON_INTERCEPTOR_ENTER(ctx, getpwent, dummy); | |
2023 | __sanitizer_passwd *res = REAL(getpwent)(dummy); | |
b667dd70 | 2024 | unpoison_passwd(ctx, res); |
dee5ea7a KS |
2025 | return res; |
2026 | } | |
2027 | INTERCEPTOR(__sanitizer_group *, getgrent, int dummy) { | |
2028 | void *ctx; | |
2029 | COMMON_INTERCEPTOR_ENTER(ctx, getgrent, dummy); | |
2030 | __sanitizer_group *res = REAL(getgrent)(dummy); | |
b667dd70 | 2031 | unpoison_group(ctx, res); |
dee5ea7a KS |
2032 | return res; |
2033 | } | |
2034 | #define INIT_GETPWENT \ | |
2035 | COMMON_INTERCEPT_FUNCTION(getpwent); \ | |
2036 | COMMON_INTERCEPT_FUNCTION(getgrent); | |
2037 | #else | |
2038 | #define INIT_GETPWENT | |
2039 | #endif | |
2040 | ||
2041 | #if SANITIZER_INTERCEPT_FGETPWENT | |
2042 | INTERCEPTOR(__sanitizer_passwd *, fgetpwent, void *fp) { | |
2043 | void *ctx; | |
2044 | COMMON_INTERCEPTOR_ENTER(ctx, fgetpwent, fp); | |
2045 | __sanitizer_passwd *res = REAL(fgetpwent)(fp); | |
b667dd70 | 2046 | unpoison_passwd(ctx, res); |
dee5ea7a KS |
2047 | return res; |
2048 | } | |
2049 | INTERCEPTOR(__sanitizer_group *, fgetgrent, void *fp) { | |
2050 | void *ctx; | |
2051 | COMMON_INTERCEPTOR_ENTER(ctx, fgetgrent, fp); | |
2052 | __sanitizer_group *res = REAL(fgetgrent)(fp); | |
b667dd70 | 2053 | unpoison_group(ctx, res); |
dee5ea7a KS |
2054 | return res; |
2055 | } | |
2056 | #define INIT_FGETPWENT \ | |
2057 | COMMON_INTERCEPT_FUNCTION(fgetpwent); \ | |
2058 | COMMON_INTERCEPT_FUNCTION(fgetgrent); | |
2059 | #else | |
2060 | #define INIT_FGETPWENT | |
2061 | #endif | |
2062 | ||
2063 | #if SANITIZER_INTERCEPT_GETPWENT_R | |
2064 | INTERCEPTOR(int, getpwent_r, __sanitizer_passwd *pwbuf, char *buf, | |
2065 | SIZE_T buflen, __sanitizer_passwd **pwbufp) { | |
2066 | void *ctx; | |
2067 | COMMON_INTERCEPTOR_ENTER(ctx, getpwent_r, pwbuf, buf, buflen, pwbufp); | |
866e32ad KS |
2068 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2069 | // its metadata. See | |
10189819 | 2070 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a | 2071 | int res = REAL(getpwent_r)(pwbuf, buf, buflen, pwbufp); |
b667dd70 ML |
2072 | if (!res && pwbufp) |
2073 | unpoison_passwd(ctx, *pwbufp); | |
dee5ea7a KS |
2074 | if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp)); |
2075 | return res; | |
2076 | } | |
b667dd70 ML |
2077 | INTERCEPTOR(int, getgrent_r, __sanitizer_group *pwbuf, char *buf, SIZE_T buflen, |
2078 | __sanitizer_group **pwbufp) { | |
dee5ea7a | 2079 | void *ctx; |
b667dd70 | 2080 | COMMON_INTERCEPTOR_ENTER(ctx, getgrent_r, pwbuf, buf, buflen, pwbufp); |
866e32ad KS |
2081 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2082 | // its metadata. See | |
10189819 | 2083 | // https://github.com/google/sanitizers/issues/321. |
b667dd70 ML |
2084 | int res = REAL(getgrent_r)(pwbuf, buf, buflen, pwbufp); |
2085 | if (!res && pwbufp) | |
2086 | unpoison_group(ctx, *pwbufp); | |
dee5ea7a KS |
2087 | if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp)); |
2088 | return res; | |
2089 | } | |
b667dd70 ML |
2090 | #define INIT_GETPWENT_R \ |
2091 | COMMON_INTERCEPT_FUNCTION(getpwent_r); \ | |
2092 | COMMON_INTERCEPT_FUNCTION(getgrent_r); | |
2093 | #else | |
2094 | #define INIT_GETPWENT_R | |
2095 | #endif | |
2096 | ||
2097 | #if SANITIZER_INTERCEPT_FGETPWENT_R | |
2098 | INTERCEPTOR(int, fgetpwent_r, void *fp, __sanitizer_passwd *pwbuf, char *buf, | |
2099 | SIZE_T buflen, __sanitizer_passwd **pwbufp) { | |
dee5ea7a | 2100 | void *ctx; |
b667dd70 | 2101 | COMMON_INTERCEPTOR_ENTER(ctx, fgetpwent_r, fp, pwbuf, buf, buflen, pwbufp); |
866e32ad KS |
2102 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2103 | // its metadata. See | |
10189819 | 2104 | // https://github.com/google/sanitizers/issues/321. |
b667dd70 ML |
2105 | int res = REAL(fgetpwent_r)(fp, pwbuf, buf, buflen, pwbufp); |
2106 | if (!res && pwbufp) | |
2107 | unpoison_passwd(ctx, *pwbufp); | |
dee5ea7a KS |
2108 | if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp)); |
2109 | return res; | |
2110 | } | |
b667dd70 ML |
2111 | #define INIT_FGETPWENT_R \ |
2112 | COMMON_INTERCEPT_FUNCTION(fgetpwent_r); | |
2113 | #else | |
2114 | #define INIT_FGETPWENT_R | |
2115 | #endif | |
2116 | ||
2117 | #if SANITIZER_INTERCEPT_FGETGRENT_R | |
dee5ea7a KS |
2118 | INTERCEPTOR(int, fgetgrent_r, void *fp, __sanitizer_group *pwbuf, char *buf, |
2119 | SIZE_T buflen, __sanitizer_group **pwbufp) { | |
2120 | void *ctx; | |
2121 | COMMON_INTERCEPTOR_ENTER(ctx, fgetgrent_r, fp, pwbuf, buf, buflen, pwbufp); | |
866e32ad KS |
2122 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2123 | // its metadata. See | |
10189819 | 2124 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a | 2125 | int res = REAL(fgetgrent_r)(fp, pwbuf, buf, buflen, pwbufp); |
b667dd70 ML |
2126 | if (!res && pwbufp) |
2127 | unpoison_group(ctx, *pwbufp); | |
dee5ea7a KS |
2128 | if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp)); |
2129 | return res; | |
2130 | } | |
b667dd70 | 2131 | #define INIT_FGETGRENT_R \ |
dee5ea7a KS |
2132 | COMMON_INTERCEPT_FUNCTION(fgetgrent_r); |
2133 | #else | |
b667dd70 | 2134 | #define INIT_FGETGRENT_R |
dee5ea7a KS |
2135 | #endif |
2136 | ||
2137 | #if SANITIZER_INTERCEPT_SETPWENT | |
2138 | // The only thing these interceptors do is disable any nested interceptors. | |
2139 | // These functions may open nss modules and call uninstrumented functions from | |
2140 | // them, and we don't want things like strlen() to trigger. | |
2141 | INTERCEPTOR(void, setpwent, int dummy) { | |
2142 | void *ctx; | |
2143 | COMMON_INTERCEPTOR_ENTER(ctx, setpwent, dummy); | |
2144 | REAL(setpwent)(dummy); | |
2145 | } | |
2146 | INTERCEPTOR(void, endpwent, int dummy) { | |
2147 | void *ctx; | |
2148 | COMMON_INTERCEPTOR_ENTER(ctx, endpwent, dummy); | |
2149 | REAL(endpwent)(dummy); | |
2150 | } | |
2151 | INTERCEPTOR(void, setgrent, int dummy) { | |
2152 | void *ctx; | |
2153 | COMMON_INTERCEPTOR_ENTER(ctx, setgrent, dummy); | |
2154 | REAL(setgrent)(dummy); | |
2155 | } | |
2156 | INTERCEPTOR(void, endgrent, int dummy) { | |
2157 | void *ctx; | |
2158 | COMMON_INTERCEPTOR_ENTER(ctx, endgrent, dummy); | |
2159 | REAL(endgrent)(dummy); | |
2160 | } | |
2161 | #define INIT_SETPWENT \ | |
2162 | COMMON_INTERCEPT_FUNCTION(setpwent); \ | |
2163 | COMMON_INTERCEPT_FUNCTION(endpwent); \ | |
2164 | COMMON_INTERCEPT_FUNCTION(setgrent); \ | |
2165 | COMMON_INTERCEPT_FUNCTION(endgrent); | |
2166 | #else | |
2167 | #define INIT_SETPWENT | |
2168 | #endif | |
2169 | ||
ef1b3fda KS |
2170 | #if SANITIZER_INTERCEPT_CLOCK_GETTIME |
2171 | INTERCEPTOR(int, clock_getres, u32 clk_id, void *tp) { | |
2172 | void *ctx; | |
2173 | COMMON_INTERCEPTOR_ENTER(ctx, clock_getres, clk_id, tp); | |
866e32ad KS |
2174 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2175 | // its metadata. See | |
10189819 | 2176 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2177 | int res = REAL(clock_getres)(clk_id, tp); |
2178 | if (!res && tp) { | |
2179 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, struct_timespec_sz); | |
2180 | } | |
2181 | return res; | |
2182 | } | |
2183 | INTERCEPTOR(int, clock_gettime, u32 clk_id, void *tp) { | |
2184 | void *ctx; | |
2185 | COMMON_INTERCEPTOR_ENTER(ctx, clock_gettime, clk_id, tp); | |
866e32ad KS |
2186 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2187 | // its metadata. See | |
10189819 | 2188 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2189 | int res = REAL(clock_gettime)(clk_id, tp); |
2190 | if (!res) { | |
2191 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, struct_timespec_sz); | |
2192 | } | |
2193 | return res; | |
2194 | } | |
d0fee87e | 2195 | #if SANITIZER_GLIBC |
eac97531 ML |
2196 | namespace __sanitizer { |
2197 | extern "C" { | |
2198 | int real_clock_gettime(u32 clk_id, void *tp) { | |
b667dd70 ML |
2199 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) |
2200 | return internal_clock_gettime(clk_id, tp); | |
eac97531 ML |
2201 | return REAL(clock_gettime)(clk_id, tp); |
2202 | } | |
2203 | } // extern "C" | |
2204 | } // namespace __sanitizer | |
d0fee87e | 2205 | #endif |
ef1b3fda KS |
2206 | INTERCEPTOR(int, clock_settime, u32 clk_id, const void *tp) { |
2207 | void *ctx; | |
2208 | COMMON_INTERCEPTOR_ENTER(ctx, clock_settime, clk_id, tp); | |
2209 | COMMON_INTERCEPTOR_READ_RANGE(ctx, tp, struct_timespec_sz); | |
2210 | return REAL(clock_settime)(clk_id, tp); | |
2211 | } | |
df77f0e4 KS |
2212 | #define INIT_CLOCK_GETTIME \ |
2213 | COMMON_INTERCEPT_FUNCTION(clock_getres); \ | |
2214 | COMMON_INTERCEPT_FUNCTION(clock_gettime); \ | |
2215 | COMMON_INTERCEPT_FUNCTION(clock_settime); | |
ef1b3fda KS |
2216 | #else |
2217 | #define INIT_CLOCK_GETTIME | |
2218 | #endif | |
2219 | ||
0b997f6e ML |
2220 | #if SANITIZER_INTERCEPT_CLOCK_GETCPUCLOCKID |
2221 | INTERCEPTOR(int, clock_getcpuclockid, pid_t pid, | |
2222 | __sanitizer_clockid_t *clockid) { | |
2223 | void *ctx; | |
2224 | COMMON_INTERCEPTOR_ENTER(ctx, clock_getcpuclockid, pid, clockid); | |
2225 | int res = REAL(clock_getcpuclockid)(pid, clockid); | |
2226 | if (!res && clockid) { | |
2227 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, clockid, sizeof *clockid); | |
2228 | } | |
2229 | return res; | |
2230 | } | |
2231 | ||
2232 | #define INIT_CLOCK_GETCPUCLOCKID \ | |
2233 | COMMON_INTERCEPT_FUNCTION(clock_getcpuclockid); | |
2234 | #else | |
2235 | #define INIT_CLOCK_GETCPUCLOCKID | |
2236 | #endif | |
2237 | ||
ef1b3fda KS |
2238 | #if SANITIZER_INTERCEPT_GETITIMER |
2239 | INTERCEPTOR(int, getitimer, int which, void *curr_value) { | |
2240 | void *ctx; | |
2241 | COMMON_INTERCEPTOR_ENTER(ctx, getitimer, which, curr_value); | |
866e32ad KS |
2242 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2243 | // its metadata. See | |
10189819 | 2244 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2245 | int res = REAL(getitimer)(which, curr_value); |
2246 | if (!res && curr_value) { | |
2247 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, curr_value, struct_itimerval_sz); | |
2248 | } | |
2249 | return res; | |
2250 | } | |
2251 | INTERCEPTOR(int, setitimer, int which, const void *new_value, void *old_value) { | |
2252 | void *ctx; | |
2253 | COMMON_INTERCEPTOR_ENTER(ctx, setitimer, which, new_value, old_value); | |
eac97531 ML |
2254 | if (new_value) { |
2255 | // itimerval can contain padding that may be legitimately uninitialized | |
2256 | const struct __sanitizer_itimerval *nv = | |
2257 | (const struct __sanitizer_itimerval *)new_value; | |
2258 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_interval.tv_sec, | |
2259 | sizeof(__sanitizer_time_t)); | |
2260 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_interval.tv_usec, | |
2261 | sizeof(__sanitizer_suseconds_t)); | |
2262 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_value.tv_sec, | |
2263 | sizeof(__sanitizer_time_t)); | |
2264 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_value.tv_usec, | |
2265 | sizeof(__sanitizer_suseconds_t)); | |
2266 | } | |
866e32ad KS |
2267 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2268 | // its metadata. See | |
10189819 | 2269 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2270 | int res = REAL(setitimer)(which, new_value, old_value); |
2271 | if (!res && old_value) { | |
2272 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, old_value, struct_itimerval_sz); | |
2273 | } | |
2274 | return res; | |
2275 | } | |
df77f0e4 KS |
2276 | #define INIT_GETITIMER \ |
2277 | COMMON_INTERCEPT_FUNCTION(getitimer); \ | |
2278 | COMMON_INTERCEPT_FUNCTION(setitimer); | |
ef1b3fda KS |
2279 | #else |
2280 | #define INIT_GETITIMER | |
2281 | #endif | |
2282 | ||
2283 | #if SANITIZER_INTERCEPT_GLOB | |
2284 | static void unpoison_glob_t(void *ctx, __sanitizer_glob_t *pglob) { | |
2285 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pglob, sizeof(*pglob)); | |
2286 | // +1 for NULL pointer at the end. | |
2287 | if (pglob->gl_pathv) | |
2288 | COMMON_INTERCEPTOR_WRITE_RANGE( | |
2289 | ctx, pglob->gl_pathv, (pglob->gl_pathc + 1) * sizeof(*pglob->gl_pathv)); | |
2290 | for (SIZE_T i = 0; i < pglob->gl_pathc; ++i) { | |
2291 | char *p = pglob->gl_pathv[i]; | |
2292 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, REAL(strlen)(p) + 1); | |
2293 | } | |
2294 | } | |
2295 | ||
eac97531 ML |
2296 | #if SANITIZER_SOLARIS |
2297 | INTERCEPTOR(int, glob, const char *pattern, int flags, | |
2298 | int (*errfunc)(const char *epath, int eerrno), | |
2299 | __sanitizer_glob_t *pglob) { | |
2300 | void *ctx; | |
2301 | COMMON_INTERCEPTOR_ENTER(ctx, glob, pattern, flags, errfunc, pglob); | |
2302 | COMMON_INTERCEPTOR_READ_STRING(ctx, pattern, 0); | |
2303 | int res = REAL(glob)(pattern, flags, errfunc, pglob); | |
2304 | if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob); | |
2305 | return res; | |
2306 | } | |
2307 | #else | |
df77f0e4 | 2308 | static THREADLOCAL __sanitizer_glob_t *pglob_copy; |
ef1b3fda KS |
2309 | |
2310 | static void wrapped_gl_closedir(void *dir) { | |
dee5ea7a | 2311 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); |
696d846a | 2312 | pglob_copy->gl_closedir(dir); |
ef1b3fda KS |
2313 | } |
2314 | ||
2315 | static void *wrapped_gl_readdir(void *dir) { | |
dee5ea7a | 2316 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); |
696d846a | 2317 | return pglob_copy->gl_readdir(dir); |
ef1b3fda KS |
2318 | } |
2319 | ||
2320 | static void *wrapped_gl_opendir(const char *s) { | |
dee5ea7a KS |
2321 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); |
2322 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, REAL(strlen)(s) + 1); | |
696d846a | 2323 | return pglob_copy->gl_opendir(s); |
ef1b3fda KS |
2324 | } |
2325 | ||
2326 | static int wrapped_gl_lstat(const char *s, void *st) { | |
dee5ea7a KS |
2327 | COMMON_INTERCEPTOR_UNPOISON_PARAM(2); |
2328 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, REAL(strlen)(s) + 1); | |
696d846a | 2329 | return pglob_copy->gl_lstat(s, st); |
ef1b3fda KS |
2330 | } |
2331 | ||
2332 | static int wrapped_gl_stat(const char *s, void *st) { | |
dee5ea7a KS |
2333 | COMMON_INTERCEPTOR_UNPOISON_PARAM(2); |
2334 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, REAL(strlen)(s) + 1); | |
696d846a | 2335 | return pglob_copy->gl_stat(s, st); |
ef1b3fda KS |
2336 | } |
2337 | ||
10189819 MO |
2338 | static const __sanitizer_glob_t kGlobCopy = { |
2339 | 0, 0, 0, | |
2340 | 0, wrapped_gl_closedir, wrapped_gl_readdir, | |
2341 | wrapped_gl_opendir, wrapped_gl_lstat, wrapped_gl_stat}; | |
2342 | ||
ef1b3fda KS |
2343 | INTERCEPTOR(int, glob, const char *pattern, int flags, |
2344 | int (*errfunc)(const char *epath, int eerrno), | |
2345 | __sanitizer_glob_t *pglob) { | |
2346 | void *ctx; | |
2347 | COMMON_INTERCEPTOR_ENTER(ctx, glob, pattern, flags, errfunc, pglob); | |
696d846a | 2348 | COMMON_INTERCEPTOR_READ_STRING(ctx, pattern, 0); |
10189819 MO |
2349 | __sanitizer_glob_t glob_copy; |
2350 | internal_memcpy(&glob_copy, &kGlobCopy, sizeof(glob_copy)); | |
ef1b3fda KS |
2351 | if (flags & glob_altdirfunc) { |
2352 | Swap(pglob->gl_closedir, glob_copy.gl_closedir); | |
2353 | Swap(pglob->gl_readdir, glob_copy.gl_readdir); | |
2354 | Swap(pglob->gl_opendir, glob_copy.gl_opendir); | |
2355 | Swap(pglob->gl_lstat, glob_copy.gl_lstat); | |
2356 | Swap(pglob->gl_stat, glob_copy.gl_stat); | |
2357 | pglob_copy = &glob_copy; | |
ef1b3fda KS |
2358 | } |
2359 | int res = REAL(glob)(pattern, flags, errfunc, pglob); | |
2360 | if (flags & glob_altdirfunc) { | |
2361 | Swap(pglob->gl_closedir, glob_copy.gl_closedir); | |
2362 | Swap(pglob->gl_readdir, glob_copy.gl_readdir); | |
2363 | Swap(pglob->gl_opendir, glob_copy.gl_opendir); | |
2364 | Swap(pglob->gl_lstat, glob_copy.gl_lstat); | |
2365 | Swap(pglob->gl_stat, glob_copy.gl_stat); | |
2366 | } | |
2367 | pglob_copy = 0; | |
ef1b3fda KS |
2368 | if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob); |
2369 | return res; | |
2370 | } | |
eac97531 ML |
2371 | #endif // SANITIZER_SOLARIS |
2372 | #define INIT_GLOB \ | |
2373 | COMMON_INTERCEPT_FUNCTION(glob); | |
2374 | #else // SANITIZER_INTERCEPT_GLOB | |
2375 | #define INIT_GLOB | |
2376 | #endif // SANITIZER_INTERCEPT_GLOB | |
ef1b3fda | 2377 | |
eac97531 | 2378 | #if SANITIZER_INTERCEPT_GLOB64 |
ef1b3fda KS |
2379 | INTERCEPTOR(int, glob64, const char *pattern, int flags, |
2380 | int (*errfunc)(const char *epath, int eerrno), | |
2381 | __sanitizer_glob_t *pglob) { | |
2382 | void *ctx; | |
2383 | COMMON_INTERCEPTOR_ENTER(ctx, glob64, pattern, flags, errfunc, pglob); | |
696d846a | 2384 | COMMON_INTERCEPTOR_READ_STRING(ctx, pattern, 0); |
10189819 MO |
2385 | __sanitizer_glob_t glob_copy; |
2386 | internal_memcpy(&glob_copy, &kGlobCopy, sizeof(glob_copy)); | |
ef1b3fda KS |
2387 | if (flags & glob_altdirfunc) { |
2388 | Swap(pglob->gl_closedir, glob_copy.gl_closedir); | |
2389 | Swap(pglob->gl_readdir, glob_copy.gl_readdir); | |
2390 | Swap(pglob->gl_opendir, glob_copy.gl_opendir); | |
2391 | Swap(pglob->gl_lstat, glob_copy.gl_lstat); | |
2392 | Swap(pglob->gl_stat, glob_copy.gl_stat); | |
2393 | pglob_copy = &glob_copy; | |
ef1b3fda KS |
2394 | } |
2395 | int res = REAL(glob64)(pattern, flags, errfunc, pglob); | |
2396 | if (flags & glob_altdirfunc) { | |
2397 | Swap(pglob->gl_closedir, glob_copy.gl_closedir); | |
2398 | Swap(pglob->gl_readdir, glob_copy.gl_readdir); | |
2399 | Swap(pglob->gl_opendir, glob_copy.gl_opendir); | |
2400 | Swap(pglob->gl_lstat, glob_copy.gl_lstat); | |
2401 | Swap(pglob->gl_stat, glob_copy.gl_stat); | |
2402 | } | |
2403 | pglob_copy = 0; | |
ef1b3fda KS |
2404 | if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob); |
2405 | return res; | |
2406 | } | |
eac97531 | 2407 | #define INIT_GLOB64 \ |
df77f0e4 | 2408 | COMMON_INTERCEPT_FUNCTION(glob64); |
eac97531 ML |
2409 | #else // SANITIZER_INTERCEPT_GLOB64 |
2410 | #define INIT_GLOB64 | |
2411 | #endif // SANITIZER_INTERCEPT_GLOB64 | |
ef1b3fda KS |
2412 | |
2413 | #if SANITIZER_INTERCEPT_WAIT | |
2414 | // According to sys/wait.h, wait(), waitid(), waitpid() may have symbol version | |
2415 | // suffixes on Darwin. See the declaration of INTERCEPTOR_WITH_SUFFIX for | |
2416 | // details. | |
2417 | INTERCEPTOR_WITH_SUFFIX(int, wait, int *status) { | |
2418 | void *ctx; | |
2419 | COMMON_INTERCEPTOR_ENTER(ctx, wait, status); | |
866e32ad KS |
2420 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2421 | // its metadata. See | |
10189819 | 2422 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2423 | int res = REAL(wait)(status); |
2424 | if (res != -1 && status) | |
2425 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status)); | |
2426 | return res; | |
2427 | } | |
866e32ad KS |
2428 | // On FreeBSD id_t is always 64-bit wide. |
2429 | #if SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32) | |
2430 | INTERCEPTOR_WITH_SUFFIX(int, waitid, int idtype, long long id, void *infop, | |
2431 | int options) { | |
2432 | #else | |
ef1b3fda | 2433 | INTERCEPTOR_WITH_SUFFIX(int, waitid, int idtype, int id, void *infop, |
df77f0e4 | 2434 | int options) { |
866e32ad | 2435 | #endif |
ef1b3fda KS |
2436 | void *ctx; |
2437 | COMMON_INTERCEPTOR_ENTER(ctx, waitid, idtype, id, infop, options); | |
866e32ad KS |
2438 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2439 | // its metadata. See | |
10189819 | 2440 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2441 | int res = REAL(waitid)(idtype, id, infop, options); |
2442 | if (res != -1 && infop) | |
2443 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, infop, siginfo_t_sz); | |
2444 | return res; | |
2445 | } | |
2446 | INTERCEPTOR_WITH_SUFFIX(int, waitpid, int pid, int *status, int options) { | |
2447 | void *ctx; | |
2448 | COMMON_INTERCEPTOR_ENTER(ctx, waitpid, pid, status, options); | |
866e32ad KS |
2449 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2450 | // its metadata. See | |
10189819 | 2451 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2452 | int res = REAL(waitpid)(pid, status, options); |
2453 | if (res != -1 && status) | |
2454 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status)); | |
2455 | return res; | |
2456 | } | |
2457 | INTERCEPTOR(int, wait3, int *status, int options, void *rusage) { | |
2458 | void *ctx; | |
2459 | COMMON_INTERCEPTOR_ENTER(ctx, wait3, status, options, rusage); | |
866e32ad KS |
2460 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2461 | // its metadata. See | |
10189819 | 2462 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2463 | int res = REAL(wait3)(status, options, rusage); |
2464 | if (res != -1) { | |
df77f0e4 KS |
2465 | if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status)); |
2466 | if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz); | |
ef1b3fda KS |
2467 | } |
2468 | return res; | |
2469 | } | |
dee5ea7a KS |
2470 | #if SANITIZER_ANDROID |
2471 | INTERCEPTOR(int, __wait4, int pid, int *status, int options, void *rusage) { | |
2472 | void *ctx; | |
2473 | COMMON_INTERCEPTOR_ENTER(ctx, __wait4, pid, status, options, rusage); | |
866e32ad KS |
2474 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2475 | // its metadata. See | |
10189819 | 2476 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
2477 | int res = REAL(__wait4)(pid, status, options, rusage); |
2478 | if (res != -1) { | |
2479 | if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status)); | |
2480 | if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz); | |
2481 | } | |
2482 | return res; | |
2483 | } | |
2484 | #define INIT_WAIT4 COMMON_INTERCEPT_FUNCTION(__wait4); | |
2485 | #else | |
ef1b3fda KS |
2486 | INTERCEPTOR(int, wait4, int pid, int *status, int options, void *rusage) { |
2487 | void *ctx; | |
2488 | COMMON_INTERCEPTOR_ENTER(ctx, wait4, pid, status, options, rusage); | |
866e32ad KS |
2489 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2490 | // its metadata. See | |
10189819 | 2491 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2492 | int res = REAL(wait4)(pid, status, options, rusage); |
2493 | if (res != -1) { | |
df77f0e4 KS |
2494 | if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status)); |
2495 | if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz); | |
ef1b3fda KS |
2496 | } |
2497 | return res; | |
2498 | } | |
dee5ea7a KS |
2499 | #define INIT_WAIT4 COMMON_INTERCEPT_FUNCTION(wait4); |
2500 | #endif // SANITIZER_ANDROID | |
df77f0e4 KS |
2501 | #define INIT_WAIT \ |
2502 | COMMON_INTERCEPT_FUNCTION(wait); \ | |
2503 | COMMON_INTERCEPT_FUNCTION(waitid); \ | |
2504 | COMMON_INTERCEPT_FUNCTION(waitpid); \ | |
dee5ea7a | 2505 | COMMON_INTERCEPT_FUNCTION(wait3); |
ef1b3fda KS |
2506 | #else |
2507 | #define INIT_WAIT | |
dee5ea7a | 2508 | #define INIT_WAIT4 |
ef1b3fda KS |
2509 | #endif |
2510 | ||
2511 | #if SANITIZER_INTERCEPT_INET | |
2512 | INTERCEPTOR(char *, inet_ntop, int af, const void *src, char *dst, u32 size) { | |
2513 | void *ctx; | |
2514 | COMMON_INTERCEPTOR_ENTER(ctx, inet_ntop, af, src, dst, size); | |
2515 | uptr sz = __sanitizer_in_addr_sz(af); | |
2516 | if (sz) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sz); | |
2517 | // FIXME: figure out read size based on the address family. | |
866e32ad KS |
2518 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2519 | // its metadata. See | |
10189819 | 2520 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 2521 | char *res = REAL(inet_ntop)(af, src, dst, size); |
df77f0e4 | 2522 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); |
ef1b3fda KS |
2523 | return res; |
2524 | } | |
2525 | INTERCEPTOR(int, inet_pton, int af, const char *src, void *dst) { | |
2526 | void *ctx; | |
2527 | COMMON_INTERCEPTOR_ENTER(ctx, inet_pton, af, src, dst); | |
696d846a | 2528 | COMMON_INTERCEPTOR_READ_STRING(ctx, src, 0); |
ef1b3fda | 2529 | // FIXME: figure out read size based on the address family. |
866e32ad KS |
2530 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2531 | // its metadata. See | |
10189819 | 2532 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2533 | int res = REAL(inet_pton)(af, src, dst); |
2534 | if (res == 1) { | |
2535 | uptr sz = __sanitizer_in_addr_sz(af); | |
2536 | if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sz); | |
2537 | } | |
2538 | return res; | |
2539 | } | |
df77f0e4 KS |
2540 | #define INIT_INET \ |
2541 | COMMON_INTERCEPT_FUNCTION(inet_ntop); \ | |
2542 | COMMON_INTERCEPT_FUNCTION(inet_pton); | |
ef1b3fda KS |
2543 | #else |
2544 | #define INIT_INET | |
2545 | #endif | |
2546 | ||
2547 | #if SANITIZER_INTERCEPT_INET | |
2548 | INTERCEPTOR(int, inet_aton, const char *cp, void *dst) { | |
2549 | void *ctx; | |
2550 | COMMON_INTERCEPTOR_ENTER(ctx, inet_aton, cp, dst); | |
2551 | if (cp) COMMON_INTERCEPTOR_READ_RANGE(ctx, cp, REAL(strlen)(cp) + 1); | |
866e32ad KS |
2552 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2553 | // its metadata. See | |
10189819 | 2554 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2555 | int res = REAL(inet_aton)(cp, dst); |
2556 | if (res != 0) { | |
2557 | uptr sz = __sanitizer_in_addr_sz(af_inet); | |
2558 | if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sz); | |
2559 | } | |
2560 | return res; | |
2561 | } | |
df77f0e4 | 2562 | #define INIT_INET_ATON COMMON_INTERCEPT_FUNCTION(inet_aton); |
ef1b3fda KS |
2563 | #else |
2564 | #define INIT_INET_ATON | |
2565 | #endif | |
2566 | ||
2567 | #if SANITIZER_INTERCEPT_PTHREAD_GETSCHEDPARAM | |
2568 | INTERCEPTOR(int, pthread_getschedparam, uptr thread, int *policy, int *param) { | |
2569 | void *ctx; | |
2570 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_getschedparam, thread, policy, param); | |
866e32ad KS |
2571 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2572 | // its metadata. See | |
10189819 | 2573 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2574 | int res = REAL(pthread_getschedparam)(thread, policy, param); |
2575 | if (res == 0) { | |
2576 | if (policy) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, policy, sizeof(*policy)); | |
2577 | if (param) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, param, sizeof(*param)); | |
2578 | } | |
2579 | return res; | |
2580 | } | |
df77f0e4 KS |
2581 | #define INIT_PTHREAD_GETSCHEDPARAM \ |
2582 | COMMON_INTERCEPT_FUNCTION(pthread_getschedparam); | |
ef1b3fda KS |
2583 | #else |
2584 | #define INIT_PTHREAD_GETSCHEDPARAM | |
2585 | #endif | |
2586 | ||
2587 | #if SANITIZER_INTERCEPT_GETADDRINFO | |
2588 | INTERCEPTOR(int, getaddrinfo, char *node, char *service, | |
2589 | struct __sanitizer_addrinfo *hints, | |
2590 | struct __sanitizer_addrinfo **out) { | |
2591 | void *ctx; | |
2592 | COMMON_INTERCEPTOR_ENTER(ctx, getaddrinfo, node, service, hints, out); | |
2593 | if (node) COMMON_INTERCEPTOR_READ_RANGE(ctx, node, REAL(strlen)(node) + 1); | |
2594 | if (service) | |
2595 | COMMON_INTERCEPTOR_READ_RANGE(ctx, service, REAL(strlen)(service) + 1); | |
2596 | if (hints) | |
2597 | COMMON_INTERCEPTOR_READ_RANGE(ctx, hints, sizeof(__sanitizer_addrinfo)); | |
866e32ad KS |
2598 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2599 | // its metadata. See | |
10189819 | 2600 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2601 | int res = REAL(getaddrinfo)(node, service, hints, out); |
2602 | if (res == 0 && out) { | |
2603 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, out, sizeof(*out)); | |
2604 | struct __sanitizer_addrinfo *p = *out; | |
2605 | while (p) { | |
2606 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); | |
2607 | if (p->ai_addr) | |
2608 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ai_addr, p->ai_addrlen); | |
2609 | if (p->ai_canonname) | |
2610 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ai_canonname, | |
2611 | REAL(strlen)(p->ai_canonname) + 1); | |
2612 | p = p->ai_next; | |
2613 | } | |
2614 | } | |
2615 | return res; | |
2616 | } | |
df77f0e4 | 2617 | #define INIT_GETADDRINFO COMMON_INTERCEPT_FUNCTION(getaddrinfo); |
ef1b3fda KS |
2618 | #else |
2619 | #define INIT_GETADDRINFO | |
2620 | #endif | |
2621 | ||
2622 | #if SANITIZER_INTERCEPT_GETNAMEINFO | |
2623 | INTERCEPTOR(int, getnameinfo, void *sockaddr, unsigned salen, char *host, | |
2624 | unsigned hostlen, char *serv, unsigned servlen, int flags) { | |
2625 | void *ctx; | |
2626 | COMMON_INTERCEPTOR_ENTER(ctx, getnameinfo, sockaddr, salen, host, hostlen, | |
2627 | serv, servlen, flags); | |
2628 | // FIXME: consider adding READ_RANGE(sockaddr, salen) | |
2629 | // There is padding in in_addr that may make this too noisy | |
866e32ad KS |
2630 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2631 | // its metadata. See | |
10189819 | 2632 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2633 | int res = |
2634 | REAL(getnameinfo)(sockaddr, salen, host, hostlen, serv, servlen, flags); | |
2635 | if (res == 0) { | |
2636 | if (host && hostlen) | |
2637 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, host, REAL(strlen)(host) + 1); | |
2638 | if (serv && servlen) | |
2639 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, serv, REAL(strlen)(serv) + 1); | |
2640 | } | |
2641 | return res; | |
2642 | } | |
df77f0e4 | 2643 | #define INIT_GETNAMEINFO COMMON_INTERCEPT_FUNCTION(getnameinfo); |
ef1b3fda KS |
2644 | #else |
2645 | #define INIT_GETNAMEINFO | |
2646 | #endif | |
2647 | ||
2648 | #if SANITIZER_INTERCEPT_GETSOCKNAME | |
2649 | INTERCEPTOR(int, getsockname, int sock_fd, void *addr, int *addrlen) { | |
2650 | void *ctx; | |
2651 | COMMON_INTERCEPTOR_ENTER(ctx, getsockname, sock_fd, addr, addrlen); | |
2652 | COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen)); | |
2653 | int addrlen_in = *addrlen; | |
866e32ad KS |
2654 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2655 | // its metadata. See | |
10189819 | 2656 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2657 | int res = REAL(getsockname)(sock_fd, addr, addrlen); |
2658 | if (res == 0) { | |
2659 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(addrlen_in, *addrlen)); | |
2660 | } | |
2661 | return res; | |
2662 | } | |
df77f0e4 | 2663 | #define INIT_GETSOCKNAME COMMON_INTERCEPT_FUNCTION(getsockname); |
ef1b3fda KS |
2664 | #else |
2665 | #define INIT_GETSOCKNAME | |
2666 | #endif | |
2667 | ||
2668 | #if SANITIZER_INTERCEPT_GETHOSTBYNAME || SANITIZER_INTERCEPT_GETHOSTBYNAME_R | |
2669 | static void write_hostent(void *ctx, struct __sanitizer_hostent *h) { | |
2670 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h, sizeof(__sanitizer_hostent)); | |
2671 | if (h->h_name) | |
2672 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h->h_name, REAL(strlen)(h->h_name) + 1); | |
2673 | char **p = h->h_aliases; | |
2674 | while (*p) { | |
2675 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, REAL(strlen)(*p) + 1); | |
2676 | ++p; | |
2677 | } | |
2678 | COMMON_INTERCEPTOR_WRITE_RANGE( | |
2679 | ctx, h->h_aliases, (p - h->h_aliases + 1) * sizeof(*h->h_aliases)); | |
2680 | p = h->h_addr_list; | |
2681 | while (*p) { | |
2682 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, h->h_length); | |
2683 | ++p; | |
2684 | } | |
2685 | COMMON_INTERCEPTOR_WRITE_RANGE( | |
2686 | ctx, h->h_addr_list, (p - h->h_addr_list + 1) * sizeof(*h->h_addr_list)); | |
2687 | } | |
2688 | #endif | |
2689 | ||
2690 | #if SANITIZER_INTERCEPT_GETHOSTBYNAME | |
2691 | INTERCEPTOR(struct __sanitizer_hostent *, gethostbyname, char *name) { | |
2692 | void *ctx; | |
2693 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname, name); | |
2694 | struct __sanitizer_hostent *res = REAL(gethostbyname)(name); | |
2695 | if (res) write_hostent(ctx, res); | |
2696 | return res; | |
2697 | } | |
2698 | ||
2699 | INTERCEPTOR(struct __sanitizer_hostent *, gethostbyaddr, void *addr, int len, | |
2700 | int type) { | |
2701 | void *ctx; | |
2702 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyaddr, addr, len, type); | |
2703 | COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, len); | |
2704 | struct __sanitizer_hostent *res = REAL(gethostbyaddr)(addr, len, type); | |
2705 | if (res) write_hostent(ctx, res); | |
2706 | return res; | |
2707 | } | |
2708 | ||
df77f0e4 | 2709 | INTERCEPTOR(struct __sanitizer_hostent *, gethostent, int fake) { |
ef1b3fda | 2710 | void *ctx; |
df77f0e4 KS |
2711 | COMMON_INTERCEPTOR_ENTER(ctx, gethostent, fake); |
2712 | struct __sanitizer_hostent *res = REAL(gethostent)(fake); | |
ef1b3fda KS |
2713 | if (res) write_hostent(ctx, res); |
2714 | return res; | |
2715 | } | |
eac97531 ML |
2716 | #define INIT_GETHOSTBYNAME \ |
2717 | COMMON_INTERCEPT_FUNCTION(gethostent); \ | |
2718 | COMMON_INTERCEPT_FUNCTION(gethostbyaddr); \ | |
2719 | COMMON_INTERCEPT_FUNCTION(gethostbyname); | |
2720 | #else | |
2721 | #define INIT_GETHOSTBYNAME | |
2722 | #endif // SANITIZER_INTERCEPT_GETHOSTBYNAME | |
ef1b3fda | 2723 | |
eac97531 | 2724 | #if SANITIZER_INTERCEPT_GETHOSTBYNAME2 |
ef1b3fda KS |
2725 | INTERCEPTOR(struct __sanitizer_hostent *, gethostbyname2, char *name, int af) { |
2726 | void *ctx; | |
2727 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname2, name, af); | |
2728 | struct __sanitizer_hostent *res = REAL(gethostbyname2)(name, af); | |
2729 | if (res) write_hostent(ctx, res); | |
2730 | return res; | |
2731 | } | |
eac97531 | 2732 | #define INIT_GETHOSTBYNAME2 COMMON_INTERCEPT_FUNCTION(gethostbyname2); |
ef1b3fda | 2733 | #else |
eac97531 ML |
2734 | #define INIT_GETHOSTBYNAME2 |
2735 | #endif // SANITIZER_INTERCEPT_GETHOSTBYNAME2 | |
ef1b3fda KS |
2736 | |
2737 | #if SANITIZER_INTERCEPT_GETHOSTBYNAME_R | |
866e32ad KS |
2738 | INTERCEPTOR(int, gethostbyname_r, char *name, struct __sanitizer_hostent *ret, |
2739 | char *buf, SIZE_T buflen, __sanitizer_hostent **result, | |
2740 | int *h_errnop) { | |
2741 | void *ctx; | |
2742 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname_r, name, ret, buf, buflen, result, | |
2743 | h_errnop); | |
2744 | // FIXME: under ASan the call below may write to freed memory and corrupt | |
2745 | // its metadata. See | |
10189819 | 2746 | // https://github.com/google/sanitizers/issues/321. |
866e32ad KS |
2747 | int res = REAL(gethostbyname_r)(name, ret, buf, buflen, result, h_errnop); |
2748 | if (result) { | |
2749 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
2750 | if (res == 0 && *result) write_hostent(ctx, *result); | |
2751 | } | |
2752 | if (h_errnop) | |
2753 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop)); | |
2754 | return res; | |
2755 | } | |
2756 | #define INIT_GETHOSTBYNAME_R COMMON_INTERCEPT_FUNCTION(gethostbyname_r); | |
2757 | #else | |
2758 | #define INIT_GETHOSTBYNAME_R | |
2759 | #endif | |
2760 | ||
2761 | #if SANITIZER_INTERCEPT_GETHOSTENT_R | |
ef1b3fda KS |
2762 | INTERCEPTOR(int, gethostent_r, struct __sanitizer_hostent *ret, char *buf, |
2763 | SIZE_T buflen, __sanitizer_hostent **result, int *h_errnop) { | |
2764 | void *ctx; | |
2765 | COMMON_INTERCEPTOR_ENTER(ctx, gethostent_r, ret, buf, buflen, result, | |
2766 | h_errnop); | |
866e32ad KS |
2767 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2768 | // its metadata. See | |
10189819 | 2769 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 2770 | int res = REAL(gethostent_r)(ret, buf, buflen, result, h_errnop); |
dee5ea7a KS |
2771 | if (result) { |
2772 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
2773 | if (res == 0 && *result) write_hostent(ctx, *result); | |
ef1b3fda | 2774 | } |
dee5ea7a KS |
2775 | if (h_errnop) |
2776 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop)); | |
ef1b3fda KS |
2777 | return res; |
2778 | } | |
866e32ad KS |
2779 | #define INIT_GETHOSTENT_R \ |
2780 | COMMON_INTERCEPT_FUNCTION(gethostent_r); | |
2781 | #else | |
2782 | #define INIT_GETHOSTENT_R | |
2783 | #endif | |
ef1b3fda | 2784 | |
866e32ad | 2785 | #if SANITIZER_INTERCEPT_GETHOSTBYADDR_R |
ef1b3fda KS |
2786 | INTERCEPTOR(int, gethostbyaddr_r, void *addr, int len, int type, |
2787 | struct __sanitizer_hostent *ret, char *buf, SIZE_T buflen, | |
2788 | __sanitizer_hostent **result, int *h_errnop) { | |
2789 | void *ctx; | |
2790 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyaddr_r, addr, len, type, ret, buf, | |
2791 | buflen, result, h_errnop); | |
2792 | COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, len); | |
866e32ad KS |
2793 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2794 | // its metadata. See | |
10189819 | 2795 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2796 | int res = REAL(gethostbyaddr_r)(addr, len, type, ret, buf, buflen, result, |
2797 | h_errnop); | |
dee5ea7a KS |
2798 | if (result) { |
2799 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
2800 | if (res == 0 && *result) write_hostent(ctx, *result); | |
ef1b3fda | 2801 | } |
dee5ea7a KS |
2802 | if (h_errnop) |
2803 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop)); | |
ef1b3fda KS |
2804 | return res; |
2805 | } | |
866e32ad KS |
2806 | #define INIT_GETHOSTBYADDR_R \ |
2807 | COMMON_INTERCEPT_FUNCTION(gethostbyaddr_r); | |
2808 | #else | |
2809 | #define INIT_GETHOSTBYADDR_R | |
2810 | #endif | |
ef1b3fda | 2811 | |
866e32ad | 2812 | #if SANITIZER_INTERCEPT_GETHOSTBYNAME2_R |
ef1b3fda KS |
2813 | INTERCEPTOR(int, gethostbyname2_r, char *name, int af, |
2814 | struct __sanitizer_hostent *ret, char *buf, SIZE_T buflen, | |
2815 | __sanitizer_hostent **result, int *h_errnop) { | |
2816 | void *ctx; | |
2817 | COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname2_r, name, af, ret, buf, buflen, | |
2818 | result, h_errnop); | |
866e32ad KS |
2819 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2820 | // its metadata. See | |
10189819 | 2821 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2822 | int res = |
2823 | REAL(gethostbyname2_r)(name, af, ret, buf, buflen, result, h_errnop); | |
dee5ea7a KS |
2824 | if (result) { |
2825 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
2826 | if (res == 0 && *result) write_hostent(ctx, *result); | |
ef1b3fda | 2827 | } |
dee5ea7a KS |
2828 | if (h_errnop) |
2829 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop)); | |
ef1b3fda KS |
2830 | return res; |
2831 | } | |
866e32ad | 2832 | #define INIT_GETHOSTBYNAME2_R \ |
df77f0e4 | 2833 | COMMON_INTERCEPT_FUNCTION(gethostbyname2_r); |
ef1b3fda | 2834 | #else |
866e32ad | 2835 | #define INIT_GETHOSTBYNAME2_R |
ef1b3fda KS |
2836 | #endif |
2837 | ||
2838 | #if SANITIZER_INTERCEPT_GETSOCKOPT | |
2839 | INTERCEPTOR(int, getsockopt, int sockfd, int level, int optname, void *optval, | |
2840 | int *optlen) { | |
2841 | void *ctx; | |
2842 | COMMON_INTERCEPTOR_ENTER(ctx, getsockopt, sockfd, level, optname, optval, | |
2843 | optlen); | |
2844 | if (optlen) COMMON_INTERCEPTOR_READ_RANGE(ctx, optlen, sizeof(*optlen)); | |
866e32ad KS |
2845 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2846 | // its metadata. See | |
10189819 | 2847 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2848 | int res = REAL(getsockopt)(sockfd, level, optname, optval, optlen); |
2849 | if (res == 0) | |
2850 | if (optval && optlen) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, optval, *optlen); | |
2851 | return res; | |
2852 | } | |
df77f0e4 | 2853 | #define INIT_GETSOCKOPT COMMON_INTERCEPT_FUNCTION(getsockopt); |
ef1b3fda KS |
2854 | #else |
2855 | #define INIT_GETSOCKOPT | |
2856 | #endif | |
2857 | ||
2858 | #if SANITIZER_INTERCEPT_ACCEPT | |
2859 | INTERCEPTOR(int, accept, int fd, void *addr, unsigned *addrlen) { | |
2860 | void *ctx; | |
2861 | COMMON_INTERCEPTOR_ENTER(ctx, accept, fd, addr, addrlen); | |
0d807c80 | 2862 | unsigned addrlen0 = 0; |
ef1b3fda KS |
2863 | if (addrlen) { |
2864 | COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen)); | |
2865 | addrlen0 = *addrlen; | |
2866 | } | |
2867 | int fd2 = REAL(accept)(fd, addr, addrlen); | |
2868 | if (fd2 >= 0) { | |
df77f0e4 | 2869 | if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2); |
ef1b3fda KS |
2870 | if (addr && addrlen) |
2871 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0)); | |
2872 | } | |
2873 | return fd2; | |
2874 | } | |
df77f0e4 | 2875 | #define INIT_ACCEPT COMMON_INTERCEPT_FUNCTION(accept); |
ef1b3fda KS |
2876 | #else |
2877 | #define INIT_ACCEPT | |
2878 | #endif | |
2879 | ||
2880 | #if SANITIZER_INTERCEPT_ACCEPT4 | |
2881 | INTERCEPTOR(int, accept4, int fd, void *addr, unsigned *addrlen, int f) { | |
2882 | void *ctx; | |
2883 | COMMON_INTERCEPTOR_ENTER(ctx, accept4, fd, addr, addrlen, f); | |
0d807c80 | 2884 | unsigned addrlen0 = 0; |
ef1b3fda KS |
2885 | if (addrlen) { |
2886 | COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen)); | |
2887 | addrlen0 = *addrlen; | |
2888 | } | |
866e32ad KS |
2889 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2890 | // its metadata. See | |
10189819 | 2891 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2892 | int fd2 = REAL(accept4)(fd, addr, addrlen, f); |
2893 | if (fd2 >= 0) { | |
df77f0e4 | 2894 | if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2); |
ef1b3fda KS |
2895 | if (addr && addrlen) |
2896 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0)); | |
2897 | } | |
2898 | return fd2; | |
2899 | } | |
df77f0e4 | 2900 | #define INIT_ACCEPT4 COMMON_INTERCEPT_FUNCTION(accept4); |
ef1b3fda KS |
2901 | #else |
2902 | #define INIT_ACCEPT4 | |
2903 | #endif | |
2904 | ||
eac97531 ML |
2905 | #if SANITIZER_INTERCEPT_PACCEPT |
2906 | INTERCEPTOR(int, paccept, int fd, void *addr, unsigned *addrlen, | |
2907 | __sanitizer_sigset_t *set, int f) { | |
2908 | void *ctx; | |
2909 | COMMON_INTERCEPTOR_ENTER(ctx, paccept, fd, addr, addrlen, set, f); | |
2910 | unsigned addrlen0 = 0; | |
2911 | if (addrlen) { | |
2912 | COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen)); | |
2913 | addrlen0 = *addrlen; | |
2914 | } | |
2915 | if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set)); | |
2916 | int fd2 = REAL(paccept)(fd, addr, addrlen, set, f); | |
2917 | if (fd2 >= 0) { | |
2918 | if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2); | |
2919 | if (addr && addrlen) | |
2920 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0)); | |
2921 | } | |
2922 | return fd2; | |
2923 | } | |
2924 | #define INIT_PACCEPT COMMON_INTERCEPT_FUNCTION(paccept); | |
2925 | #else | |
2926 | #define INIT_PACCEPT | |
2927 | #endif | |
2928 | ||
ef1b3fda KS |
2929 | #if SANITIZER_INTERCEPT_MODF |
2930 | INTERCEPTOR(double, modf, double x, double *iptr) { | |
2931 | void *ctx; | |
2932 | COMMON_INTERCEPTOR_ENTER(ctx, modf, x, iptr); | |
866e32ad KS |
2933 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2934 | // its metadata. See | |
10189819 | 2935 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2936 | double res = REAL(modf)(x, iptr); |
2937 | if (iptr) { | |
2938 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr)); | |
2939 | } | |
2940 | return res; | |
2941 | } | |
2942 | INTERCEPTOR(float, modff, float x, float *iptr) { | |
2943 | void *ctx; | |
2944 | COMMON_INTERCEPTOR_ENTER(ctx, modff, x, iptr); | |
866e32ad KS |
2945 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2946 | // its metadata. See | |
10189819 | 2947 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2948 | float res = REAL(modff)(x, iptr); |
2949 | if (iptr) { | |
2950 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr)); | |
2951 | } | |
2952 | return res; | |
2953 | } | |
2954 | INTERCEPTOR(long double, modfl, long double x, long double *iptr) { | |
2955 | void *ctx; | |
2956 | COMMON_INTERCEPTOR_ENTER(ctx, modfl, x, iptr); | |
866e32ad KS |
2957 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2958 | // its metadata. See | |
10189819 | 2959 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2960 | long double res = REAL(modfl)(x, iptr); |
2961 | if (iptr) { | |
2962 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr)); | |
2963 | } | |
2964 | return res; | |
2965 | } | |
df77f0e4 KS |
2966 | #define INIT_MODF \ |
2967 | COMMON_INTERCEPT_FUNCTION(modf); \ | |
2968 | COMMON_INTERCEPT_FUNCTION(modff); \ | |
10189819 | 2969 | COMMON_INTERCEPT_FUNCTION_LDBL(modfl); |
ef1b3fda KS |
2970 | #else |
2971 | #define INIT_MODF | |
2972 | #endif | |
2973 | ||
eac97531 | 2974 | #if SANITIZER_INTERCEPT_RECVMSG || SANITIZER_INTERCEPT_RECVMMSG |
ef1b3fda KS |
2975 | static void write_msghdr(void *ctx, struct __sanitizer_msghdr *msg, |
2976 | SSIZE_T maxlen) { | |
2977 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg, sizeof(*msg)); | |
df77f0e4 KS |
2978 | if (msg->msg_name && msg->msg_namelen) |
2979 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_name, msg->msg_namelen); | |
2980 | if (msg->msg_iov && msg->msg_iovlen) | |
ef1b3fda KS |
2981 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_iov, |
2982 | sizeof(*msg->msg_iov) * msg->msg_iovlen); | |
2983 | write_iovec(ctx, msg->msg_iov, msg->msg_iovlen, maxlen); | |
df77f0e4 | 2984 | if (msg->msg_control && msg->msg_controllen) |
ef1b3fda KS |
2985 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_control, msg->msg_controllen); |
2986 | } | |
eac97531 | 2987 | #endif |
ef1b3fda | 2988 | |
eac97531 | 2989 | #if SANITIZER_INTERCEPT_RECVMSG |
ef1b3fda KS |
2990 | INTERCEPTOR(SSIZE_T, recvmsg, int fd, struct __sanitizer_msghdr *msg, |
2991 | int flags) { | |
2992 | void *ctx; | |
2993 | COMMON_INTERCEPTOR_ENTER(ctx, recvmsg, fd, msg, flags); | |
866e32ad KS |
2994 | // FIXME: under ASan the call below may write to freed memory and corrupt |
2995 | // its metadata. See | |
10189819 | 2996 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
2997 | SSIZE_T res = REAL(recvmsg)(fd, msg, flags); |
2998 | if (res >= 0) { | |
2999 | if (fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
df77f0e4 KS |
3000 | if (msg) { |
3001 | write_msghdr(ctx, msg, res); | |
3002 | COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg); | |
3003 | } | |
ef1b3fda KS |
3004 | } |
3005 | return res; | |
3006 | } | |
df77f0e4 | 3007 | #define INIT_RECVMSG COMMON_INTERCEPT_FUNCTION(recvmsg); |
ef1b3fda KS |
3008 | #else |
3009 | #define INIT_RECVMSG | |
3010 | #endif | |
3011 | ||
eac97531 ML |
3012 | #if SANITIZER_INTERCEPT_RECVMMSG |
3013 | INTERCEPTOR(int, recvmmsg, int fd, struct __sanitizer_mmsghdr *msgvec, | |
3014 | unsigned int vlen, int flags, void *timeout) { | |
3015 | void *ctx; | |
3016 | COMMON_INTERCEPTOR_ENTER(ctx, recvmmsg, fd, msgvec, vlen, flags, timeout); | |
3017 | if (timeout) COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout, struct_timespec_sz); | |
3018 | int res = REAL(recvmmsg)(fd, msgvec, vlen, flags, timeout); | |
3019 | if (res >= 0) { | |
3020 | if (fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
3021 | for (int i = 0; i < res; ++i) { | |
3022 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &msgvec[i].msg_len, | |
3023 | sizeof(msgvec[i].msg_len)); | |
3024 | write_msghdr(ctx, &msgvec[i].msg_hdr, msgvec[i].msg_len); | |
3025 | COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, &msgvec[i].msg_hdr); | |
3026 | } | |
3027 | } | |
3028 | return res; | |
3029 | } | |
3030 | #define INIT_RECVMMSG COMMON_INTERCEPT_FUNCTION(recvmmsg); | |
3031 | #else | |
3032 | #define INIT_RECVMMSG | |
3033 | #endif | |
3034 | ||
3035 | #if SANITIZER_INTERCEPT_SENDMSG || SANITIZER_INTERCEPT_SENDMMSG | |
10189819 MO |
3036 | static void read_msghdr_control(void *ctx, void *control, uptr controllen) { |
3037 | const unsigned kCmsgDataOffset = | |
3038 | RoundUpTo(sizeof(__sanitizer_cmsghdr), sizeof(uptr)); | |
3039 | ||
3040 | char *p = (char *)control; | |
3041 | char *const control_end = p + controllen; | |
3042 | while (true) { | |
3043 | if (p + sizeof(__sanitizer_cmsghdr) > control_end) break; | |
3044 | __sanitizer_cmsghdr *cmsg = (__sanitizer_cmsghdr *)p; | |
3045 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &cmsg->cmsg_len, sizeof(cmsg->cmsg_len)); | |
3046 | ||
3047 | if (p + RoundUpTo(cmsg->cmsg_len, sizeof(uptr)) > control_end) break; | |
3048 | ||
3049 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &cmsg->cmsg_level, | |
3050 | sizeof(cmsg->cmsg_level)); | |
3051 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &cmsg->cmsg_type, | |
3052 | sizeof(cmsg->cmsg_type)); | |
3053 | ||
3054 | if (cmsg->cmsg_len > kCmsgDataOffset) { | |
3055 | char *data = p + kCmsgDataOffset; | |
3056 | unsigned data_len = cmsg->cmsg_len - kCmsgDataOffset; | |
3057 | if (data_len > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, data, data_len); | |
3058 | } | |
3059 | ||
3060 | p += RoundUpTo(cmsg->cmsg_len, sizeof(uptr)); | |
3061 | } | |
3062 | } | |
3063 | ||
3064 | static void read_msghdr(void *ctx, struct __sanitizer_msghdr *msg, | |
3065 | SSIZE_T maxlen) { | |
3066 | #define R(f) \ | |
3067 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &msg->msg_##f, sizeof(msg->msg_##f)) | |
3068 | R(name); | |
3069 | R(namelen); | |
3070 | R(iov); | |
3071 | R(iovlen); | |
3072 | R(control); | |
3073 | R(controllen); | |
3074 | R(flags); | |
3075 | #undef R | |
3076 | if (msg->msg_name && msg->msg_namelen) | |
3077 | COMMON_INTERCEPTOR_READ_RANGE(ctx, msg->msg_name, msg->msg_namelen); | |
3078 | if (msg->msg_iov && msg->msg_iovlen) | |
3079 | COMMON_INTERCEPTOR_READ_RANGE(ctx, msg->msg_iov, | |
3080 | sizeof(*msg->msg_iov) * msg->msg_iovlen); | |
3081 | read_iovec(ctx, msg->msg_iov, msg->msg_iovlen, maxlen); | |
3082 | if (msg->msg_control && msg->msg_controllen) | |
3083 | read_msghdr_control(ctx, msg->msg_control, msg->msg_controllen); | |
3084 | } | |
eac97531 | 3085 | #endif |
10189819 | 3086 | |
eac97531 | 3087 | #if SANITIZER_INTERCEPT_SENDMSG |
10189819 MO |
3088 | INTERCEPTOR(SSIZE_T, sendmsg, int fd, struct __sanitizer_msghdr *msg, |
3089 | int flags) { | |
3090 | void *ctx; | |
3091 | COMMON_INTERCEPTOR_ENTER(ctx, sendmsg, fd, msg, flags); | |
3092 | if (fd >= 0) { | |
3093 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
3094 | COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
3095 | } | |
3096 | SSIZE_T res = REAL(sendmsg)(fd, msg, flags); | |
3097 | if (common_flags()->intercept_send && res >= 0 && msg) | |
3098 | read_msghdr(ctx, msg, res); | |
3099 | return res; | |
3100 | } | |
3101 | #define INIT_SENDMSG COMMON_INTERCEPT_FUNCTION(sendmsg); | |
3102 | #else | |
3103 | #define INIT_SENDMSG | |
3104 | #endif | |
3105 | ||
eac97531 ML |
3106 | #if SANITIZER_INTERCEPT_SENDMMSG |
3107 | INTERCEPTOR(int, sendmmsg, int fd, struct __sanitizer_mmsghdr *msgvec, | |
3108 | unsigned vlen, int flags) { | |
3109 | void *ctx; | |
3110 | COMMON_INTERCEPTOR_ENTER(ctx, sendmmsg, fd, msgvec, vlen, flags); | |
3111 | if (fd >= 0) { | |
3112 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
3113 | COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
3114 | } | |
3115 | int res = REAL(sendmmsg)(fd, msgvec, vlen, flags); | |
3ca75cd5 | 3116 | if (res >= 0 && msgvec) { |
eac97531 ML |
3117 | for (int i = 0; i < res; ++i) { |
3118 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &msgvec[i].msg_len, | |
3119 | sizeof(msgvec[i].msg_len)); | |
3120 | if (common_flags()->intercept_send) | |
3121 | read_msghdr(ctx, &msgvec[i].msg_hdr, msgvec[i].msg_len); | |
3122 | } | |
3ca75cd5 | 3123 | } |
eac97531 ML |
3124 | return res; |
3125 | } | |
3126 | #define INIT_SENDMMSG COMMON_INTERCEPT_FUNCTION(sendmmsg); | |
3127 | #else | |
3128 | #define INIT_SENDMMSG | |
3129 | #endif | |
3130 | ||
0b997f6e ML |
3131 | #if SANITIZER_INTERCEPT_SYSMSG |
3132 | INTERCEPTOR(int, msgsnd, int msqid, const void *msgp, SIZE_T msgsz, | |
3133 | int msgflg) { | |
3134 | void *ctx; | |
3135 | COMMON_INTERCEPTOR_ENTER(ctx, msgsnd, msqid, msgp, msgsz, msgflg); | |
3136 | if (msgp) | |
3137 | COMMON_INTERCEPTOR_READ_RANGE(ctx, msgp, sizeof(long) + msgsz); | |
3138 | int res = REAL(msgsnd)(msqid, msgp, msgsz, msgflg); | |
3139 | return res; | |
3140 | } | |
3141 | ||
3142 | INTERCEPTOR(SSIZE_T, msgrcv, int msqid, void *msgp, SIZE_T msgsz, | |
3143 | long msgtyp, int msgflg) { | |
3144 | void *ctx; | |
3145 | COMMON_INTERCEPTOR_ENTER(ctx, msgrcv, msqid, msgp, msgsz, msgtyp, msgflg); | |
3146 | SSIZE_T len = REAL(msgrcv)(msqid, msgp, msgsz, msgtyp, msgflg); | |
3147 | if (len != -1) | |
3148 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msgp, sizeof(long) + len); | |
3149 | return len; | |
3150 | } | |
3151 | ||
3152 | #define INIT_SYSMSG \ | |
3153 | COMMON_INTERCEPT_FUNCTION(msgsnd); \ | |
3154 | COMMON_INTERCEPT_FUNCTION(msgrcv); | |
3155 | #else | |
3156 | #define INIT_SYSMSG | |
3157 | #endif | |
3158 | ||
ef1b3fda KS |
3159 | #if SANITIZER_INTERCEPT_GETPEERNAME |
3160 | INTERCEPTOR(int, getpeername, int sockfd, void *addr, unsigned *addrlen) { | |
3161 | void *ctx; | |
3162 | COMMON_INTERCEPTOR_ENTER(ctx, getpeername, sockfd, addr, addrlen); | |
3163 | unsigned addr_sz; | |
3164 | if (addrlen) addr_sz = *addrlen; | |
866e32ad KS |
3165 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3166 | // its metadata. See | |
10189819 | 3167 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3168 | int res = REAL(getpeername)(sockfd, addr, addrlen); |
3169 | if (!res && addr && addrlen) | |
3170 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(addr_sz, *addrlen)); | |
3171 | return res; | |
3172 | } | |
df77f0e4 | 3173 | #define INIT_GETPEERNAME COMMON_INTERCEPT_FUNCTION(getpeername); |
ef1b3fda KS |
3174 | #else |
3175 | #define INIT_GETPEERNAME | |
3176 | #endif | |
3177 | ||
3178 | #if SANITIZER_INTERCEPT_SYSINFO | |
3179 | INTERCEPTOR(int, sysinfo, void *info) { | |
3180 | void *ctx; | |
866e32ad KS |
3181 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3182 | // its metadata. See | |
10189819 | 3183 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3184 | COMMON_INTERCEPTOR_ENTER(ctx, sysinfo, info); |
3185 | int res = REAL(sysinfo)(info); | |
3186 | if (!res && info) | |
3187 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, struct_sysinfo_sz); | |
3188 | return res; | |
3189 | } | |
df77f0e4 | 3190 | #define INIT_SYSINFO COMMON_INTERCEPT_FUNCTION(sysinfo); |
ef1b3fda KS |
3191 | #else |
3192 | #define INIT_SYSINFO | |
3193 | #endif | |
3194 | ||
3195 | #if SANITIZER_INTERCEPT_READDIR | |
696d846a MO |
3196 | INTERCEPTOR(__sanitizer_dirent *, opendir, const char *path) { |
3197 | void *ctx; | |
3198 | COMMON_INTERCEPTOR_ENTER(ctx, opendir, path); | |
3199 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
3200 | __sanitizer_dirent *res = REAL(opendir)(path); | |
3201 | if (res) | |
3202 | COMMON_INTERCEPTOR_DIR_ACQUIRE(ctx, path); | |
3203 | return res; | |
3204 | } | |
3205 | ||
ef1b3fda KS |
3206 | INTERCEPTOR(__sanitizer_dirent *, readdir, void *dirp) { |
3207 | void *ctx; | |
3208 | COMMON_INTERCEPTOR_ENTER(ctx, readdir, dirp); | |
866e32ad KS |
3209 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3210 | // its metadata. See | |
10189819 | 3211 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 3212 | __sanitizer_dirent *res = REAL(readdir)(dirp); |
df77f0e4 | 3213 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, res->d_reclen); |
ef1b3fda KS |
3214 | return res; |
3215 | } | |
3216 | ||
3217 | INTERCEPTOR(int, readdir_r, void *dirp, __sanitizer_dirent *entry, | |
3218 | __sanitizer_dirent **result) { | |
3219 | void *ctx; | |
3220 | COMMON_INTERCEPTOR_ENTER(ctx, readdir_r, dirp, entry, result); | |
866e32ad KS |
3221 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3222 | // its metadata. See | |
10189819 | 3223 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3224 | int res = REAL(readdir_r)(dirp, entry, result); |
3225 | if (!res) { | |
3226 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
3227 | if (*result) | |
3228 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *result, (*result)->d_reclen); | |
3229 | } | |
3230 | return res; | |
3231 | } | |
3232 | ||
df77f0e4 | 3233 | #define INIT_READDIR \ |
696d846a | 3234 | COMMON_INTERCEPT_FUNCTION(opendir); \ |
df77f0e4 KS |
3235 | COMMON_INTERCEPT_FUNCTION(readdir); \ |
3236 | COMMON_INTERCEPT_FUNCTION(readdir_r); | |
ef1b3fda KS |
3237 | #else |
3238 | #define INIT_READDIR | |
3239 | #endif | |
3240 | ||
3241 | #if SANITIZER_INTERCEPT_READDIR64 | |
3242 | INTERCEPTOR(__sanitizer_dirent64 *, readdir64, void *dirp) { | |
3243 | void *ctx; | |
3244 | COMMON_INTERCEPTOR_ENTER(ctx, readdir64, dirp); | |
866e32ad KS |
3245 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3246 | // its metadata. See | |
10189819 | 3247 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 3248 | __sanitizer_dirent64 *res = REAL(readdir64)(dirp); |
df77f0e4 | 3249 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, res->d_reclen); |
ef1b3fda KS |
3250 | return res; |
3251 | } | |
3252 | ||
3253 | INTERCEPTOR(int, readdir64_r, void *dirp, __sanitizer_dirent64 *entry, | |
3254 | __sanitizer_dirent64 **result) { | |
3255 | void *ctx; | |
3256 | COMMON_INTERCEPTOR_ENTER(ctx, readdir64_r, dirp, entry, result); | |
866e32ad KS |
3257 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3258 | // its metadata. See | |
10189819 | 3259 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3260 | int res = REAL(readdir64_r)(dirp, entry, result); |
3261 | if (!res) { | |
3262 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
3263 | if (*result) | |
3264 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *result, (*result)->d_reclen); | |
3265 | } | |
3266 | return res; | |
3267 | } | |
df77f0e4 KS |
3268 | #define INIT_READDIR64 \ |
3269 | COMMON_INTERCEPT_FUNCTION(readdir64); \ | |
3270 | COMMON_INTERCEPT_FUNCTION(readdir64_r); | |
ef1b3fda KS |
3271 | #else |
3272 | #define INIT_READDIR64 | |
3273 | #endif | |
3274 | ||
3275 | #if SANITIZER_INTERCEPT_PTRACE | |
3276 | INTERCEPTOR(uptr, ptrace, int request, int pid, void *addr, void *data) { | |
3277 | void *ctx; | |
3278 | COMMON_INTERCEPTOR_ENTER(ctx, ptrace, request, pid, addr, data); | |
55aea9f5 | 3279 | __sanitizer_iovec local_iovec; |
ef1b3fda KS |
3280 | |
3281 | if (data) { | |
3ca75cd5 | 3282 | if (request == ptrace_setregs) { |
ef1b3fda | 3283 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_regs_struct_sz); |
3ca75cd5 | 3284 | } else if (request == ptrace_setfpregs) { |
ef1b3fda | 3285 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_fpregs_struct_sz); |
3ca75cd5 | 3286 | } else if (request == ptrace_setfpxregs) { |
ef1b3fda | 3287 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_fpxregs_struct_sz); |
3ca75cd5 | 3288 | } else if (request == ptrace_setvfpregs) { |
55aea9f5 | 3289 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_vfpregs_struct_sz); |
3ca75cd5 | 3290 | } else if (request == ptrace_setsiginfo) { |
ef1b3fda | 3291 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, siginfo_t_sz); |
3ca75cd5 | 3292 | |
55aea9f5 MO |
3293 | // Some kernel might zero the iovec::iov_base in case of invalid |
3294 | // write access. In this case copy the invalid address for further | |
3295 | // inspection. | |
3ca75cd5 | 3296 | } else if (request == ptrace_setregset || request == ptrace_getregset) { |
55aea9f5 MO |
3297 | __sanitizer_iovec *iovec = (__sanitizer_iovec*)data; |
3298 | COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec, sizeof(*iovec)); | |
3299 | local_iovec = *iovec; | |
3300 | if (request == ptrace_setregset) | |
3301 | COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec->iov_base, iovec->iov_len); | |
ef1b3fda KS |
3302 | } |
3303 | } | |
3304 | ||
866e32ad KS |
3305 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3306 | // its metadata. See | |
10189819 | 3307 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3308 | uptr res = REAL(ptrace)(request, pid, addr, data); |
3309 | ||
3310 | if (!res && data) { | |
866e32ad | 3311 | // Note that PEEK* requests assign different meaning to the return value. |
ef1b3fda | 3312 | // This function does not handle them (nor does it need to). |
3ca75cd5 | 3313 | if (request == ptrace_getregs) { |
ef1b3fda | 3314 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_regs_struct_sz); |
3ca75cd5 | 3315 | } else if (request == ptrace_getfpregs) { |
ef1b3fda | 3316 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_fpregs_struct_sz); |
3ca75cd5 | 3317 | } else if (request == ptrace_getfpxregs) { |
ef1b3fda | 3318 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_fpxregs_struct_sz); |
3ca75cd5 | 3319 | } else if (request == ptrace_getvfpregs) { |
55aea9f5 | 3320 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_vfpregs_struct_sz); |
3ca75cd5 | 3321 | } else if (request == ptrace_getsiginfo) { |
ef1b3fda | 3322 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, siginfo_t_sz); |
3ca75cd5 | 3323 | } else if (request == ptrace_geteventmsg) { |
866e32ad | 3324 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, sizeof(unsigned long)); |
3ca75cd5 | 3325 | } else if (request == ptrace_getregset) { |
55aea9f5 MO |
3326 | __sanitizer_iovec *iovec = (__sanitizer_iovec*)data; |
3327 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iovec, sizeof(*iovec)); | |
3328 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, local_iovec.iov_base, | |
3329 | local_iovec.iov_len); | |
ef1b3fda KS |
3330 | } |
3331 | } | |
3332 | return res; | |
3333 | } | |
3334 | ||
df77f0e4 | 3335 | #define INIT_PTRACE COMMON_INTERCEPT_FUNCTION(ptrace); |
ef1b3fda KS |
3336 | #else |
3337 | #define INIT_PTRACE | |
3338 | #endif | |
3339 | ||
3340 | #if SANITIZER_INTERCEPT_SETLOCALE | |
eac97531 ML |
3341 | static void unpoison_ctype_arrays(void *ctx) { |
3342 | #if SANITIZER_NETBSD | |
3343 | // These arrays contain 256 regular elements in unsigned char range + 1 EOF | |
3344 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, _ctype_tab_, 257 * sizeof(short)); | |
3345 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, _toupper_tab_, 257 * sizeof(short)); | |
3346 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, _tolower_tab_, 257 * sizeof(short)); | |
3347 | #endif | |
3348 | } | |
3349 | ||
ef1b3fda KS |
3350 | INTERCEPTOR(char *, setlocale, int category, char *locale) { |
3351 | void *ctx; | |
3352 | COMMON_INTERCEPTOR_ENTER(ctx, setlocale, category, locale); | |
3353 | if (locale) | |
3354 | COMMON_INTERCEPTOR_READ_RANGE(ctx, locale, REAL(strlen)(locale) + 1); | |
3355 | char *res = REAL(setlocale)(category, locale); | |
eac97531 | 3356 | if (res) { |
d0fee87e | 3357 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); |
eac97531 ML |
3358 | unpoison_ctype_arrays(ctx); |
3359 | } | |
ef1b3fda KS |
3360 | return res; |
3361 | } | |
3362 | ||
df77f0e4 | 3363 | #define INIT_SETLOCALE COMMON_INTERCEPT_FUNCTION(setlocale); |
ef1b3fda KS |
3364 | #else |
3365 | #define INIT_SETLOCALE | |
3366 | #endif | |
3367 | ||
3368 | #if SANITIZER_INTERCEPT_GETCWD | |
3369 | INTERCEPTOR(char *, getcwd, char *buf, SIZE_T size) { | |
3370 | void *ctx; | |
3371 | COMMON_INTERCEPTOR_ENTER(ctx, getcwd, buf, size); | |
866e32ad KS |
3372 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3373 | // its metadata. See | |
10189819 | 3374 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 3375 | char *res = REAL(getcwd)(buf, size); |
df77f0e4 | 3376 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); |
ef1b3fda KS |
3377 | return res; |
3378 | } | |
df77f0e4 | 3379 | #define INIT_GETCWD COMMON_INTERCEPT_FUNCTION(getcwd); |
ef1b3fda KS |
3380 | #else |
3381 | #define INIT_GETCWD | |
3382 | #endif | |
3383 | ||
3384 | #if SANITIZER_INTERCEPT_GET_CURRENT_DIR_NAME | |
df77f0e4 | 3385 | INTERCEPTOR(char *, get_current_dir_name, int fake) { |
ef1b3fda | 3386 | void *ctx; |
df77f0e4 | 3387 | COMMON_INTERCEPTOR_ENTER(ctx, get_current_dir_name, fake); |
866e32ad KS |
3388 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3389 | // its metadata. See | |
10189819 | 3390 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
3391 | char *res = REAL(get_current_dir_name)(fake); |
3392 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
ef1b3fda KS |
3393 | return res; |
3394 | } | |
3395 | ||
df77f0e4 KS |
3396 | #define INIT_GET_CURRENT_DIR_NAME \ |
3397 | COMMON_INTERCEPT_FUNCTION(get_current_dir_name); | |
ef1b3fda KS |
3398 | #else |
3399 | #define INIT_GET_CURRENT_DIR_NAME | |
3400 | #endif | |
3401 | ||
696d846a MO |
3402 | UNUSED static inline void FixRealStrtolEndptr(const char *nptr, char **endptr) { |
3403 | CHECK(endptr); | |
3404 | if (nptr == *endptr) { | |
3405 | // No digits were found at strtol call, we need to find out the last | |
3406 | // symbol accessed by strtoll on our own. | |
3407 | // We get this symbol by skipping leading blanks and optional +/- sign. | |
3408 | while (IsSpace(*nptr)) nptr++; | |
3409 | if (*nptr == '+' || *nptr == '-') nptr++; | |
3410 | *endptr = const_cast<char *>(nptr); | |
3411 | } | |
3412 | CHECK(*endptr >= nptr); | |
3413 | } | |
3414 | ||
3415 | UNUSED static inline void StrtolFixAndCheck(void *ctx, const char *nptr, | |
3416 | char **endptr, char *real_endptr, int base) { | |
3417 | if (endptr) { | |
3418 | *endptr = real_endptr; | |
3419 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, endptr, sizeof(*endptr)); | |
3420 | } | |
3421 | // If base has unsupported value, strtol can exit with EINVAL | |
3422 | // without reading any characters. So do additional checks only | |
3423 | // if base is valid. | |
3424 | bool is_valid_base = (base == 0) || (2 <= base && base <= 36); | |
3425 | if (is_valid_base) { | |
3426 | FixRealStrtolEndptr(nptr, &real_endptr); | |
3427 | } | |
3428 | COMMON_INTERCEPTOR_READ_STRING(ctx, nptr, is_valid_base ? | |
3429 | (real_endptr - nptr) + 1 : 0); | |
3430 | } | |
3431 | ||
3432 | ||
ef1b3fda KS |
3433 | #if SANITIZER_INTERCEPT_STRTOIMAX |
3434 | INTERCEPTOR(INTMAX_T, strtoimax, const char *nptr, char **endptr, int base) { | |
3435 | void *ctx; | |
3436 | COMMON_INTERCEPTOR_ENTER(ctx, strtoimax, nptr, endptr, base); | |
866e32ad KS |
3437 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3438 | // its metadata. See | |
10189819 | 3439 | // https://github.com/google/sanitizers/issues/321. |
696d846a MO |
3440 | char *real_endptr; |
3441 | INTMAX_T res = REAL(strtoimax)(nptr, &real_endptr, base); | |
3442 | StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base); | |
ef1b3fda KS |
3443 | return res; |
3444 | } | |
3445 | ||
eac97531 | 3446 | INTERCEPTOR(UINTMAX_T, strtoumax, const char *nptr, char **endptr, int base) { |
ef1b3fda KS |
3447 | void *ctx; |
3448 | COMMON_INTERCEPTOR_ENTER(ctx, strtoumax, nptr, endptr, base); | |
866e32ad KS |
3449 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3450 | // its metadata. See | |
10189819 | 3451 | // https://github.com/google/sanitizers/issues/321. |
696d846a | 3452 | char *real_endptr; |
eac97531 | 3453 | UINTMAX_T res = REAL(strtoumax)(nptr, &real_endptr, base); |
696d846a | 3454 | StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base); |
ef1b3fda KS |
3455 | return res; |
3456 | } | |
3457 | ||
df77f0e4 KS |
3458 | #define INIT_STRTOIMAX \ |
3459 | COMMON_INTERCEPT_FUNCTION(strtoimax); \ | |
3460 | COMMON_INTERCEPT_FUNCTION(strtoumax); | |
ef1b3fda KS |
3461 | #else |
3462 | #define INIT_STRTOIMAX | |
3463 | #endif | |
3464 | ||
3465 | #if SANITIZER_INTERCEPT_MBSTOWCS | |
3466 | INTERCEPTOR(SIZE_T, mbstowcs, wchar_t *dest, const char *src, SIZE_T len) { | |
3467 | void *ctx; | |
3468 | COMMON_INTERCEPTOR_ENTER(ctx, mbstowcs, dest, src, len); | |
866e32ad KS |
3469 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3470 | // its metadata. See | |
10189819 | 3471 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3472 | SIZE_T res = REAL(mbstowcs)(dest, src, len); |
3473 | if (res != (SIZE_T) - 1 && dest) { | |
3474 | SIZE_T write_cnt = res + (res < len); | |
3475 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t)); | |
3476 | } | |
3477 | return res; | |
3478 | } | |
3479 | ||
3480 | INTERCEPTOR(SIZE_T, mbsrtowcs, wchar_t *dest, const char **src, SIZE_T len, | |
3481 | void *ps) { | |
3482 | void *ctx; | |
3483 | COMMON_INTERCEPTOR_ENTER(ctx, mbsrtowcs, dest, src, len, ps); | |
3484 | if (src) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src)); | |
3485 | if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz); | |
866e32ad KS |
3486 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3487 | // its metadata. See | |
10189819 | 3488 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3489 | SIZE_T res = REAL(mbsrtowcs)(dest, src, len, ps); |
3490 | if (res != (SIZE_T)(-1) && dest && src) { | |
3491 | // This function, and several others, may or may not write the terminating | |
3492 | // \0 character. They write it iff they clear *src. | |
3493 | SIZE_T write_cnt = res + !*src; | |
3494 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t)); | |
3495 | } | |
3496 | return res; | |
3497 | } | |
3498 | ||
df77f0e4 KS |
3499 | #define INIT_MBSTOWCS \ |
3500 | COMMON_INTERCEPT_FUNCTION(mbstowcs); \ | |
3501 | COMMON_INTERCEPT_FUNCTION(mbsrtowcs); | |
ef1b3fda KS |
3502 | #else |
3503 | #define INIT_MBSTOWCS | |
3504 | #endif | |
3505 | ||
3506 | #if SANITIZER_INTERCEPT_MBSNRTOWCS | |
3507 | INTERCEPTOR(SIZE_T, mbsnrtowcs, wchar_t *dest, const char **src, SIZE_T nms, | |
3508 | SIZE_T len, void *ps) { | |
3509 | void *ctx; | |
3510 | COMMON_INTERCEPTOR_ENTER(ctx, mbsnrtowcs, dest, src, nms, len, ps); | |
3511 | if (src) { | |
3512 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src)); | |
3513 | if (nms) COMMON_INTERCEPTOR_READ_RANGE(ctx, *src, nms); | |
3514 | } | |
3515 | if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz); | |
866e32ad KS |
3516 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3517 | // its metadata. See | |
10189819 | 3518 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3519 | SIZE_T res = REAL(mbsnrtowcs)(dest, src, nms, len, ps); |
3520 | if (res != (SIZE_T)(-1) && dest && src) { | |
3521 | SIZE_T write_cnt = res + !*src; | |
3522 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t)); | |
3523 | } | |
3524 | return res; | |
3525 | } | |
3526 | ||
df77f0e4 | 3527 | #define INIT_MBSNRTOWCS COMMON_INTERCEPT_FUNCTION(mbsnrtowcs); |
ef1b3fda KS |
3528 | #else |
3529 | #define INIT_MBSNRTOWCS | |
3530 | #endif | |
3531 | ||
3532 | #if SANITIZER_INTERCEPT_WCSTOMBS | |
3533 | INTERCEPTOR(SIZE_T, wcstombs, char *dest, const wchar_t *src, SIZE_T len) { | |
3534 | void *ctx; | |
3535 | COMMON_INTERCEPTOR_ENTER(ctx, wcstombs, dest, src, len); | |
866e32ad KS |
3536 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3537 | // its metadata. See | |
10189819 | 3538 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3539 | SIZE_T res = REAL(wcstombs)(dest, src, len); |
3540 | if (res != (SIZE_T) - 1 && dest) { | |
3541 | SIZE_T write_cnt = res + (res < len); | |
3542 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt); | |
3543 | } | |
3544 | return res; | |
3545 | } | |
3546 | ||
3547 | INTERCEPTOR(SIZE_T, wcsrtombs, char *dest, const wchar_t **src, SIZE_T len, | |
3548 | void *ps) { | |
3549 | void *ctx; | |
3550 | COMMON_INTERCEPTOR_ENTER(ctx, wcsrtombs, dest, src, len, ps); | |
3551 | if (src) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src)); | |
3552 | if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz); | |
866e32ad KS |
3553 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3554 | // its metadata. See | |
10189819 | 3555 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3556 | SIZE_T res = REAL(wcsrtombs)(dest, src, len, ps); |
3557 | if (res != (SIZE_T) - 1 && dest && src) { | |
3558 | SIZE_T write_cnt = res + !*src; | |
3559 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt); | |
3560 | } | |
3561 | return res; | |
3562 | } | |
3563 | ||
df77f0e4 KS |
3564 | #define INIT_WCSTOMBS \ |
3565 | COMMON_INTERCEPT_FUNCTION(wcstombs); \ | |
3566 | COMMON_INTERCEPT_FUNCTION(wcsrtombs); | |
ef1b3fda KS |
3567 | #else |
3568 | #define INIT_WCSTOMBS | |
3569 | #endif | |
3570 | ||
3571 | #if SANITIZER_INTERCEPT_WCSNRTOMBS | |
3572 | INTERCEPTOR(SIZE_T, wcsnrtombs, char *dest, const wchar_t **src, SIZE_T nms, | |
3573 | SIZE_T len, void *ps) { | |
3574 | void *ctx; | |
3575 | COMMON_INTERCEPTOR_ENTER(ctx, wcsnrtombs, dest, src, nms, len, ps); | |
3576 | if (src) { | |
3577 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src)); | |
3578 | if (nms) COMMON_INTERCEPTOR_READ_RANGE(ctx, *src, nms); | |
3579 | } | |
3580 | if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz); | |
866e32ad KS |
3581 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3582 | // its metadata. See | |
10189819 | 3583 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 3584 | SIZE_T res = REAL(wcsnrtombs)(dest, src, nms, len, ps); |
696d846a | 3585 | if (res != ((SIZE_T)-1) && dest && src) { |
ef1b3fda KS |
3586 | SIZE_T write_cnt = res + !*src; |
3587 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt); | |
3588 | } | |
3589 | return res; | |
3590 | } | |
3591 | ||
df77f0e4 | 3592 | #define INIT_WCSNRTOMBS COMMON_INTERCEPT_FUNCTION(wcsnrtombs); |
ef1b3fda KS |
3593 | #else |
3594 | #define INIT_WCSNRTOMBS | |
3595 | #endif | |
3596 | ||
696d846a MO |
3597 | |
3598 | #if SANITIZER_INTERCEPT_WCRTOMB | |
3599 | INTERCEPTOR(SIZE_T, wcrtomb, char *dest, wchar_t src, void *ps) { | |
3600 | void *ctx; | |
3601 | COMMON_INTERCEPTOR_ENTER(ctx, wcrtomb, dest, src, ps); | |
3602 | if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz); | |
b667dd70 ML |
3603 | |
3604 | if (!dest) | |
3605 | return REAL(wcrtomb)(dest, src, ps); | |
3606 | ||
3607 | char local_dest[32]; | |
3608 | SIZE_T res = REAL(wcrtomb)(local_dest, src, ps); | |
3609 | if (res != ((SIZE_T)-1)) { | |
3610 | CHECK_LE(res, sizeof(local_dest)); | |
3611 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, res); | |
3612 | REAL(memcpy)(dest, local_dest, res); | |
696d846a MO |
3613 | } |
3614 | return res; | |
3615 | } | |
3616 | ||
3617 | #define INIT_WCRTOMB COMMON_INTERCEPT_FUNCTION(wcrtomb); | |
3618 | #else | |
3619 | #define INIT_WCRTOMB | |
3620 | #endif | |
3621 | ||
b667dd70 ML |
3622 | #if SANITIZER_INTERCEPT_WCTOMB |
3623 | INTERCEPTOR(int, wctomb, char *dest, wchar_t src) { | |
3624 | void *ctx; | |
3625 | COMMON_INTERCEPTOR_ENTER(ctx, wctomb, dest, src); | |
3626 | if (!dest) | |
3627 | return REAL(wctomb)(dest, src); | |
3628 | ||
3629 | char local_dest[32]; | |
3630 | int res = REAL(wctomb)(local_dest, src); | |
3631 | if (res != -1) { | |
3632 | CHECK_LE(res, sizeof(local_dest)); | |
3633 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, res); | |
3634 | REAL(memcpy)(dest, local_dest, res); | |
3635 | } | |
3636 | return res; | |
3637 | } | |
3638 | ||
3639 | #define INIT_WCTOMB COMMON_INTERCEPT_FUNCTION(wctomb); | |
3640 | #else | |
3641 | #define INIT_WCTOMB | |
3642 | #endif | |
3643 | ||
ef1b3fda KS |
3644 | #if SANITIZER_INTERCEPT_TCGETATTR |
3645 | INTERCEPTOR(int, tcgetattr, int fd, void *termios_p) { | |
3646 | void *ctx; | |
3647 | COMMON_INTERCEPTOR_ENTER(ctx, tcgetattr, fd, termios_p); | |
866e32ad KS |
3648 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3649 | // its metadata. See | |
10189819 | 3650 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3651 | int res = REAL(tcgetattr)(fd, termios_p); |
3652 | if (!res && termios_p) | |
3653 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, termios_p, struct_termios_sz); | |
3654 | return res; | |
3655 | } | |
3656 | ||
df77f0e4 | 3657 | #define INIT_TCGETATTR COMMON_INTERCEPT_FUNCTION(tcgetattr); |
ef1b3fda KS |
3658 | #else |
3659 | #define INIT_TCGETATTR | |
3660 | #endif | |
3661 | ||
ef1b3fda KS |
3662 | #if SANITIZER_INTERCEPT_REALPATH |
3663 | INTERCEPTOR(char *, realpath, const char *path, char *resolved_path) { | |
3664 | void *ctx; | |
3665 | COMMON_INTERCEPTOR_ENTER(ctx, realpath, path, resolved_path); | |
3666 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
ef1b3fda | 3667 | char *res = REAL(realpath)(path, resolved_path); |
ef1b3fda KS |
3668 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); |
3669 | return res; | |
3670 | } | |
0e6017f5 | 3671 | #define INIT_REALPATH COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(realpath, "GLIBC_2.3"); |
ef1b3fda KS |
3672 | #else |
3673 | #define INIT_REALPATH | |
3674 | #endif | |
3675 | ||
3676 | #if SANITIZER_INTERCEPT_CANONICALIZE_FILE_NAME | |
3677 | INTERCEPTOR(char *, canonicalize_file_name, const char *path) { | |
3678 | void *ctx; | |
3679 | COMMON_INTERCEPTOR_ENTER(ctx, canonicalize_file_name, path); | |
3680 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
3681 | char *res = REAL(canonicalize_file_name)(path); | |
3682 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
3683 | return res; | |
3684 | } | |
df77f0e4 KS |
3685 | #define INIT_CANONICALIZE_FILE_NAME \ |
3686 | COMMON_INTERCEPT_FUNCTION(canonicalize_file_name); | |
ef1b3fda KS |
3687 | #else |
3688 | #define INIT_CANONICALIZE_FILE_NAME | |
3689 | #endif | |
3690 | ||
3691 | #if SANITIZER_INTERCEPT_CONFSTR | |
3692 | INTERCEPTOR(SIZE_T, confstr, int name, char *buf, SIZE_T len) { | |
3693 | void *ctx; | |
3694 | COMMON_INTERCEPTOR_ENTER(ctx, confstr, name, buf, len); | |
866e32ad KS |
3695 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3696 | // its metadata. See | |
10189819 | 3697 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3698 | SIZE_T res = REAL(confstr)(name, buf, len); |
3699 | if (buf && res) | |
3700 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res < len ? res : len); | |
3701 | return res; | |
3702 | } | |
df77f0e4 | 3703 | #define INIT_CONFSTR COMMON_INTERCEPT_FUNCTION(confstr); |
ef1b3fda KS |
3704 | #else |
3705 | #define INIT_CONFSTR | |
3706 | #endif | |
3707 | ||
3708 | #if SANITIZER_INTERCEPT_SCHED_GETAFFINITY | |
3709 | INTERCEPTOR(int, sched_getaffinity, int pid, SIZE_T cpusetsize, void *mask) { | |
3710 | void *ctx; | |
3711 | COMMON_INTERCEPTOR_ENTER(ctx, sched_getaffinity, pid, cpusetsize, mask); | |
866e32ad KS |
3712 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3713 | // its metadata. See | |
10189819 | 3714 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 3715 | int res = REAL(sched_getaffinity)(pid, cpusetsize, mask); |
df77f0e4 | 3716 | if (mask && !res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mask, cpusetsize); |
ef1b3fda KS |
3717 | return res; |
3718 | } | |
df77f0e4 | 3719 | #define INIT_SCHED_GETAFFINITY COMMON_INTERCEPT_FUNCTION(sched_getaffinity); |
ef1b3fda KS |
3720 | #else |
3721 | #define INIT_SCHED_GETAFFINITY | |
3722 | #endif | |
3723 | ||
696d846a MO |
3724 | #if SANITIZER_INTERCEPT_SCHED_GETPARAM |
3725 | INTERCEPTOR(int, sched_getparam, int pid, void *param) { | |
3726 | void *ctx; | |
3727 | COMMON_INTERCEPTOR_ENTER(ctx, sched_getparam, pid, param); | |
3728 | int res = REAL(sched_getparam)(pid, param); | |
3729 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, param, struct_sched_param_sz); | |
3730 | return res; | |
3731 | } | |
3732 | #define INIT_SCHED_GETPARAM COMMON_INTERCEPT_FUNCTION(sched_getparam); | |
3733 | #else | |
3734 | #define INIT_SCHED_GETPARAM | |
3735 | #endif | |
3736 | ||
ef1b3fda KS |
3737 | #if SANITIZER_INTERCEPT_STRERROR |
3738 | INTERCEPTOR(char *, strerror, int errnum) { | |
3739 | void *ctx; | |
3740 | COMMON_INTERCEPTOR_ENTER(ctx, strerror, errnum); | |
3ca75cd5 | 3741 | COMMON_INTERCEPTOR_STRERROR(); |
ef1b3fda | 3742 | char *res = REAL(strerror)(errnum); |
dee5ea7a | 3743 | if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); |
ef1b3fda KS |
3744 | return res; |
3745 | } | |
df77f0e4 | 3746 | #define INIT_STRERROR COMMON_INTERCEPT_FUNCTION(strerror); |
ef1b3fda KS |
3747 | #else |
3748 | #define INIT_STRERROR | |
3749 | #endif | |
3750 | ||
3751 | #if SANITIZER_INTERCEPT_STRERROR_R | |
5d3805fc JJ |
3752 | // There are 2 versions of strerror_r: |
3753 | // * POSIX version returns 0 on success, negative error code on failure, | |
3754 | // writes message to buf. | |
3755 | // * GNU version returns message pointer, which points to either buf or some | |
3756 | // static storage. | |
3757 | #if ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE) || \ | |
eac97531 | 3758 | SANITIZER_MAC || SANITIZER_ANDROID || SANITIZER_NETBSD || \ |
98f792ff | 3759 | SANITIZER_FREEBSD |
5d3805fc JJ |
3760 | // POSIX version. Spec is not clear on whether buf is NULL-terminated. |
3761 | // At least on OSX, buf contents are valid even when the call fails. | |
3762 | INTERCEPTOR(int, strerror_r, int errnum, char *buf, SIZE_T buflen) { | |
3763 | void *ctx; | |
3764 | COMMON_INTERCEPTOR_ENTER(ctx, strerror_r, errnum, buf, buflen); | |
3765 | // FIXME: under ASan the call below may write to freed memory and corrupt | |
3766 | // its metadata. See | |
3767 | // https://github.com/google/sanitizers/issues/321. | |
3768 | int res = REAL(strerror_r)(errnum, buf, buflen); | |
3769 | ||
3770 | SIZE_T sz = internal_strnlen(buf, buflen); | |
3771 | if (sz < buflen) ++sz; | |
3772 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sz); | |
3773 | return res; | |
3774 | } | |
3775 | #else | |
3776 | // GNU version. | |
ef1b3fda KS |
3777 | INTERCEPTOR(char *, strerror_r, int errnum, char *buf, SIZE_T buflen) { |
3778 | void *ctx; | |
3779 | COMMON_INTERCEPTOR_ENTER(ctx, strerror_r, errnum, buf, buflen); | |
866e32ad KS |
3780 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3781 | // its metadata. See | |
10189819 | 3782 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 3783 | char *res = REAL(strerror_r)(errnum, buf, buflen); |
5d3805fc | 3784 | if (res == buf) |
ef1b3fda | 3785 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); |
5d3805fc JJ |
3786 | else |
3787 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); | |
ef1b3fda KS |
3788 | return res; |
3789 | } | |
5d3805fc JJ |
3790 | #endif //(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE || |
3791 | //SANITIZER_MAC | |
df77f0e4 | 3792 | #define INIT_STRERROR_R COMMON_INTERCEPT_FUNCTION(strerror_r); |
ef1b3fda KS |
3793 | #else |
3794 | #define INIT_STRERROR_R | |
3795 | #endif | |
3796 | ||
df77f0e4 KS |
3797 | #if SANITIZER_INTERCEPT_XPG_STRERROR_R |
3798 | INTERCEPTOR(int, __xpg_strerror_r, int errnum, char *buf, SIZE_T buflen) { | |
3799 | void *ctx; | |
3800 | COMMON_INTERCEPTOR_ENTER(ctx, __xpg_strerror_r, errnum, buf, buflen); | |
866e32ad KS |
3801 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3802 | // its metadata. See | |
10189819 | 3803 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
3804 | int res = REAL(__xpg_strerror_r)(errnum, buf, buflen); |
3805 | // This version always returns a null-terminated string. | |
3806 | if (buf && buflen) | |
3807 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, REAL(strlen)(buf) + 1); | |
3808 | return res; | |
3809 | } | |
3810 | #define INIT_XPG_STRERROR_R COMMON_INTERCEPT_FUNCTION(__xpg_strerror_r); | |
3811 | #else | |
3812 | #define INIT_XPG_STRERROR_R | |
3813 | #endif | |
3814 | ||
ef1b3fda KS |
3815 | #if SANITIZER_INTERCEPT_SCANDIR |
3816 | typedef int (*scandir_filter_f)(const struct __sanitizer_dirent *); | |
3817 | typedef int (*scandir_compar_f)(const struct __sanitizer_dirent **, | |
3818 | const struct __sanitizer_dirent **); | |
3819 | ||
ef1b3fda KS |
3820 | static THREADLOCAL scandir_filter_f scandir_filter; |
3821 | static THREADLOCAL scandir_compar_f scandir_compar; | |
3822 | ||
3823 | static int wrapped_scandir_filter(const struct __sanitizer_dirent *dir) { | |
dee5ea7a KS |
3824 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); |
3825 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(dir, dir->d_reclen); | |
696d846a | 3826 | return scandir_filter(dir); |
ef1b3fda KS |
3827 | } |
3828 | ||
3829 | static int wrapped_scandir_compar(const struct __sanitizer_dirent **a, | |
3830 | const struct __sanitizer_dirent **b) { | |
dee5ea7a KS |
3831 | COMMON_INTERCEPTOR_UNPOISON_PARAM(2); |
3832 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, sizeof(*a)); | |
3833 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*a, (*a)->d_reclen); | |
3834 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, sizeof(*b)); | |
3835 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*b, (*b)->d_reclen); | |
696d846a | 3836 | return scandir_compar(a, b); |
ef1b3fda KS |
3837 | } |
3838 | ||
3839 | INTERCEPTOR(int, scandir, char *dirp, __sanitizer_dirent ***namelist, | |
3840 | scandir_filter_f filter, scandir_compar_f compar) { | |
3841 | void *ctx; | |
3842 | COMMON_INTERCEPTOR_ENTER(ctx, scandir, dirp, namelist, filter, compar); | |
3843 | if (dirp) COMMON_INTERCEPTOR_READ_RANGE(ctx, dirp, REAL(strlen)(dirp) + 1); | |
ef1b3fda KS |
3844 | scandir_filter = filter; |
3845 | scandir_compar = compar; | |
866e32ad KS |
3846 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3847 | // its metadata. See | |
10189819 | 3848 | // https://github.com/google/sanitizers/issues/321. |
696d846a MO |
3849 | int res = REAL(scandir)(dirp, namelist, |
3850 | filter ? wrapped_scandir_filter : nullptr, | |
3851 | compar ? wrapped_scandir_compar : nullptr); | |
3852 | scandir_filter = nullptr; | |
3853 | scandir_compar = nullptr; | |
ef1b3fda KS |
3854 | if (namelist && res > 0) { |
3855 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelist, sizeof(*namelist)); | |
3856 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *namelist, sizeof(**namelist) * res); | |
3857 | for (int i = 0; i < res; ++i) | |
3858 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (*namelist)[i], | |
3859 | (*namelist)[i]->d_reclen); | |
3860 | } | |
3861 | return res; | |
3862 | } | |
df77f0e4 | 3863 | #define INIT_SCANDIR COMMON_INTERCEPT_FUNCTION(scandir); |
ef1b3fda KS |
3864 | #else |
3865 | #define INIT_SCANDIR | |
3866 | #endif | |
3867 | ||
3868 | #if SANITIZER_INTERCEPT_SCANDIR64 | |
3869 | typedef int (*scandir64_filter_f)(const struct __sanitizer_dirent64 *); | |
3870 | typedef int (*scandir64_compar_f)(const struct __sanitizer_dirent64 **, | |
3871 | const struct __sanitizer_dirent64 **); | |
3872 | ||
ef1b3fda KS |
3873 | static THREADLOCAL scandir64_filter_f scandir64_filter; |
3874 | static THREADLOCAL scandir64_compar_f scandir64_compar; | |
3875 | ||
3876 | static int wrapped_scandir64_filter(const struct __sanitizer_dirent64 *dir) { | |
dee5ea7a KS |
3877 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); |
3878 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(dir, dir->d_reclen); | |
696d846a | 3879 | return scandir64_filter(dir); |
ef1b3fda KS |
3880 | } |
3881 | ||
3882 | static int wrapped_scandir64_compar(const struct __sanitizer_dirent64 **a, | |
3883 | const struct __sanitizer_dirent64 **b) { | |
dee5ea7a KS |
3884 | COMMON_INTERCEPTOR_UNPOISON_PARAM(2); |
3885 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, sizeof(*a)); | |
3886 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*a, (*a)->d_reclen); | |
3887 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, sizeof(*b)); | |
3888 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*b, (*b)->d_reclen); | |
696d846a | 3889 | return scandir64_compar(a, b); |
ef1b3fda KS |
3890 | } |
3891 | ||
3892 | INTERCEPTOR(int, scandir64, char *dirp, __sanitizer_dirent64 ***namelist, | |
3893 | scandir64_filter_f filter, scandir64_compar_f compar) { | |
3894 | void *ctx; | |
3895 | COMMON_INTERCEPTOR_ENTER(ctx, scandir64, dirp, namelist, filter, compar); | |
3896 | if (dirp) COMMON_INTERCEPTOR_READ_RANGE(ctx, dirp, REAL(strlen)(dirp) + 1); | |
ef1b3fda KS |
3897 | scandir64_filter = filter; |
3898 | scandir64_compar = compar; | |
866e32ad KS |
3899 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3900 | // its metadata. See | |
10189819 | 3901 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 3902 | int res = |
696d846a MO |
3903 | REAL(scandir64)(dirp, namelist, |
3904 | filter ? wrapped_scandir64_filter : nullptr, | |
3905 | compar ? wrapped_scandir64_compar : nullptr); | |
3906 | scandir64_filter = nullptr; | |
3907 | scandir64_compar = nullptr; | |
ef1b3fda KS |
3908 | if (namelist && res > 0) { |
3909 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelist, sizeof(*namelist)); | |
3910 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *namelist, sizeof(**namelist) * res); | |
3911 | for (int i = 0; i < res; ++i) | |
3912 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (*namelist)[i], | |
3913 | (*namelist)[i]->d_reclen); | |
3914 | } | |
3915 | return res; | |
3916 | } | |
df77f0e4 | 3917 | #define INIT_SCANDIR64 COMMON_INTERCEPT_FUNCTION(scandir64); |
ef1b3fda KS |
3918 | #else |
3919 | #define INIT_SCANDIR64 | |
3920 | #endif | |
3921 | ||
3922 | #if SANITIZER_INTERCEPT_GETGROUPS | |
3923 | INTERCEPTOR(int, getgroups, int size, u32 *lst) { | |
3924 | void *ctx; | |
3925 | COMMON_INTERCEPTOR_ENTER(ctx, getgroups, size, lst); | |
866e32ad KS |
3926 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3927 | // its metadata. See | |
10189819 | 3928 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda | 3929 | int res = REAL(getgroups)(size, lst); |
d9f8c5af ML |
3930 | if (res >= 0 && lst && size > 0) |
3931 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lst, res * sizeof(*lst)); | |
ef1b3fda KS |
3932 | return res; |
3933 | } | |
df77f0e4 | 3934 | #define INIT_GETGROUPS COMMON_INTERCEPT_FUNCTION(getgroups); |
ef1b3fda KS |
3935 | #else |
3936 | #define INIT_GETGROUPS | |
3937 | #endif | |
3938 | ||
3939 | #if SANITIZER_INTERCEPT_POLL | |
3940 | static void read_pollfd(void *ctx, __sanitizer_pollfd *fds, | |
3941 | __sanitizer_nfds_t nfds) { | |
3942 | for (unsigned i = 0; i < nfds; ++i) { | |
3943 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &fds[i].fd, sizeof(fds[i].fd)); | |
3944 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &fds[i].events, sizeof(fds[i].events)); | |
3945 | } | |
3946 | } | |
3947 | ||
3948 | static void write_pollfd(void *ctx, __sanitizer_pollfd *fds, | |
3949 | __sanitizer_nfds_t nfds) { | |
3950 | for (unsigned i = 0; i < nfds; ++i) | |
3951 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &fds[i].revents, | |
3952 | sizeof(fds[i].revents)); | |
3953 | } | |
3954 | ||
3955 | INTERCEPTOR(int, poll, __sanitizer_pollfd *fds, __sanitizer_nfds_t nfds, | |
3956 | int timeout) { | |
3957 | void *ctx; | |
3958 | COMMON_INTERCEPTOR_ENTER(ctx, poll, fds, nfds, timeout); | |
3959 | if (fds && nfds) read_pollfd(ctx, fds, nfds); | |
3960 | int res = COMMON_INTERCEPTOR_BLOCK_REAL(poll)(fds, nfds, timeout); | |
3961 | if (fds && nfds) write_pollfd(ctx, fds, nfds); | |
3962 | return res; | |
3963 | } | |
df77f0e4 | 3964 | #define INIT_POLL COMMON_INTERCEPT_FUNCTION(poll); |
ef1b3fda KS |
3965 | #else |
3966 | #define INIT_POLL | |
3967 | #endif | |
3968 | ||
3969 | #if SANITIZER_INTERCEPT_PPOLL | |
3970 | INTERCEPTOR(int, ppoll, __sanitizer_pollfd *fds, __sanitizer_nfds_t nfds, | |
3971 | void *timeout_ts, __sanitizer_sigset_t *sigmask) { | |
3972 | void *ctx; | |
3973 | COMMON_INTERCEPTOR_ENTER(ctx, ppoll, fds, nfds, timeout_ts, sigmask); | |
3974 | if (fds && nfds) read_pollfd(ctx, fds, nfds); | |
3975 | if (timeout_ts) | |
3976 | COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout_ts, struct_timespec_sz); | |
5d3805fc | 3977 | if (sigmask) COMMON_INTERCEPTOR_READ_RANGE(ctx, sigmask, sizeof(*sigmask)); |
ef1b3fda KS |
3978 | int res = |
3979 | COMMON_INTERCEPTOR_BLOCK_REAL(ppoll)(fds, nfds, timeout_ts, sigmask); | |
3980 | if (fds && nfds) write_pollfd(ctx, fds, nfds); | |
3981 | return res; | |
3982 | } | |
df77f0e4 | 3983 | #define INIT_PPOLL COMMON_INTERCEPT_FUNCTION(ppoll); |
ef1b3fda KS |
3984 | #else |
3985 | #define INIT_PPOLL | |
3986 | #endif | |
3987 | ||
3988 | #if SANITIZER_INTERCEPT_WORDEXP | |
3989 | INTERCEPTOR(int, wordexp, char *s, __sanitizer_wordexp_t *p, int flags) { | |
3990 | void *ctx; | |
3991 | COMMON_INTERCEPTOR_ENTER(ctx, wordexp, s, p, flags); | |
3992 | if (s) COMMON_INTERCEPTOR_READ_RANGE(ctx, s, REAL(strlen)(s) + 1); | |
866e32ad KS |
3993 | // FIXME: under ASan the call below may write to freed memory and corrupt |
3994 | // its metadata. See | |
10189819 | 3995 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
3996 | int res = REAL(wordexp)(s, p, flags); |
3997 | if (!res && p) { | |
3998 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); | |
3999 | if (p->we_wordc) | |
4000 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->we_wordv, | |
4001 | sizeof(*p->we_wordv) * p->we_wordc); | |
4002 | for (uptr i = 0; i < p->we_wordc; ++i) { | |
4003 | char *w = p->we_wordv[i]; | |
4004 | if (w) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, w, REAL(strlen)(w) + 1); | |
4005 | } | |
4006 | } | |
4007 | return res; | |
4008 | } | |
df77f0e4 | 4009 | #define INIT_WORDEXP COMMON_INTERCEPT_FUNCTION(wordexp); |
ef1b3fda KS |
4010 | #else |
4011 | #define INIT_WORDEXP | |
4012 | #endif | |
4013 | ||
4014 | #if SANITIZER_INTERCEPT_SIGWAIT | |
4015 | INTERCEPTOR(int, sigwait, __sanitizer_sigset_t *set, int *sig) { | |
4016 | void *ctx; | |
4017 | COMMON_INTERCEPTOR_ENTER(ctx, sigwait, set, sig); | |
5d3805fc | 4018 | if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set)); |
866e32ad KS |
4019 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4020 | // its metadata. See | |
10189819 | 4021 | // https://github.com/google/sanitizers/issues/321. |
d0fee87e | 4022 | int res = COMMON_INTERCEPTOR_BLOCK_REAL(sigwait)(set, sig); |
ef1b3fda KS |
4023 | if (!res && sig) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sig, sizeof(*sig)); |
4024 | return res; | |
4025 | } | |
df77f0e4 | 4026 | #define INIT_SIGWAIT COMMON_INTERCEPT_FUNCTION(sigwait); |
ef1b3fda KS |
4027 | #else |
4028 | #define INIT_SIGWAIT | |
4029 | #endif | |
4030 | ||
4031 | #if SANITIZER_INTERCEPT_SIGWAITINFO | |
4032 | INTERCEPTOR(int, sigwaitinfo, __sanitizer_sigset_t *set, void *info) { | |
4033 | void *ctx; | |
4034 | COMMON_INTERCEPTOR_ENTER(ctx, sigwaitinfo, set, info); | |
5d3805fc | 4035 | if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set)); |
866e32ad KS |
4036 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4037 | // its metadata. See | |
10189819 | 4038 | // https://github.com/google/sanitizers/issues/321. |
d0fee87e | 4039 | int res = COMMON_INTERCEPTOR_BLOCK_REAL(sigwaitinfo)(set, info); |
ef1b3fda KS |
4040 | if (res > 0 && info) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, siginfo_t_sz); |
4041 | return res; | |
4042 | } | |
df77f0e4 | 4043 | #define INIT_SIGWAITINFO COMMON_INTERCEPT_FUNCTION(sigwaitinfo); |
ef1b3fda KS |
4044 | #else |
4045 | #define INIT_SIGWAITINFO | |
4046 | #endif | |
4047 | ||
4048 | #if SANITIZER_INTERCEPT_SIGTIMEDWAIT | |
4049 | INTERCEPTOR(int, sigtimedwait, __sanitizer_sigset_t *set, void *info, | |
4050 | void *timeout) { | |
4051 | void *ctx; | |
4052 | COMMON_INTERCEPTOR_ENTER(ctx, sigtimedwait, set, info, timeout); | |
4053 | if (timeout) COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout, struct_timespec_sz); | |
5d3805fc | 4054 | if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set)); |
866e32ad KS |
4055 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4056 | // its metadata. See | |
10189819 | 4057 | // https://github.com/google/sanitizers/issues/321. |
d0fee87e | 4058 | int res = COMMON_INTERCEPTOR_BLOCK_REAL(sigtimedwait)(set, info, timeout); |
ef1b3fda KS |
4059 | if (res > 0 && info) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, siginfo_t_sz); |
4060 | return res; | |
4061 | } | |
df77f0e4 | 4062 | #define INIT_SIGTIMEDWAIT COMMON_INTERCEPT_FUNCTION(sigtimedwait); |
ef1b3fda KS |
4063 | #else |
4064 | #define INIT_SIGTIMEDWAIT | |
4065 | #endif | |
4066 | ||
4067 | #if SANITIZER_INTERCEPT_SIGSETOPS | |
4068 | INTERCEPTOR(int, sigemptyset, __sanitizer_sigset_t *set) { | |
4069 | void *ctx; | |
4070 | COMMON_INTERCEPTOR_ENTER(ctx, sigemptyset, set); | |
866e32ad KS |
4071 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4072 | // its metadata. See | |
10189819 | 4073 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
4074 | int res = REAL(sigemptyset)(set); |
4075 | if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set)); | |
4076 | return res; | |
4077 | } | |
4078 | ||
4079 | INTERCEPTOR(int, sigfillset, __sanitizer_sigset_t *set) { | |
4080 | void *ctx; | |
4081 | COMMON_INTERCEPTOR_ENTER(ctx, sigfillset, set); | |
866e32ad KS |
4082 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4083 | // its metadata. See | |
10189819 | 4084 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
4085 | int res = REAL(sigfillset)(set); |
4086 | if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set)); | |
4087 | return res; | |
4088 | } | |
df77f0e4 KS |
4089 | #define INIT_SIGSETOPS \ |
4090 | COMMON_INTERCEPT_FUNCTION(sigemptyset); \ | |
4091 | COMMON_INTERCEPT_FUNCTION(sigfillset); | |
ef1b3fda KS |
4092 | #else |
4093 | #define INIT_SIGSETOPS | |
4094 | #endif | |
4095 | ||
0b997f6e ML |
4096 | #if SANITIZER_INTERCEPT_SIGSET_LOGICOPS |
4097 | INTERCEPTOR(int, sigandset, __sanitizer_sigset_t *dst, | |
4098 | __sanitizer_sigset_t *src1, __sanitizer_sigset_t *src2) { | |
4099 | void *ctx; | |
4100 | COMMON_INTERCEPTOR_ENTER(ctx, sigandset, dst, src1, src2); | |
4101 | if (src1) | |
4102 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src1, sizeof(*src1)); | |
4103 | if (src2) | |
4104 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src2, sizeof(*src2)); | |
4105 | int res = REAL(sigandset)(dst, src1, src2); | |
4106 | if (!res && dst) | |
4107 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst)); | |
4108 | return res; | |
4109 | } | |
4110 | ||
4111 | INTERCEPTOR(int, sigorset, __sanitizer_sigset_t *dst, | |
4112 | __sanitizer_sigset_t *src1, __sanitizer_sigset_t *src2) { | |
4113 | void *ctx; | |
4114 | COMMON_INTERCEPTOR_ENTER(ctx, sigorset, dst, src1, src2); | |
4115 | if (src1) | |
4116 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src1, sizeof(*src1)); | |
4117 | if (src2) | |
4118 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src2, sizeof(*src2)); | |
4119 | int res = REAL(sigorset)(dst, src1, src2); | |
4120 | if (!res && dst) | |
4121 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst)); | |
4122 | return res; | |
4123 | } | |
4124 | #define INIT_SIGSET_LOGICOPS \ | |
4125 | COMMON_INTERCEPT_FUNCTION(sigandset); \ | |
4126 | COMMON_INTERCEPT_FUNCTION(sigorset); | |
4127 | #else | |
4128 | #define INIT_SIGSET_LOGICOPS | |
4129 | #endif | |
4130 | ||
ef1b3fda KS |
4131 | #if SANITIZER_INTERCEPT_SIGPENDING |
4132 | INTERCEPTOR(int, sigpending, __sanitizer_sigset_t *set) { | |
4133 | void *ctx; | |
4134 | COMMON_INTERCEPTOR_ENTER(ctx, sigpending, set); | |
866e32ad KS |
4135 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4136 | // its metadata. See | |
10189819 | 4137 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
4138 | int res = REAL(sigpending)(set); |
4139 | if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set)); | |
4140 | return res; | |
4141 | } | |
df77f0e4 | 4142 | #define INIT_SIGPENDING COMMON_INTERCEPT_FUNCTION(sigpending); |
ef1b3fda KS |
4143 | #else |
4144 | #define INIT_SIGPENDING | |
4145 | #endif | |
4146 | ||
4147 | #if SANITIZER_INTERCEPT_SIGPROCMASK | |
4148 | INTERCEPTOR(int, sigprocmask, int how, __sanitizer_sigset_t *set, | |
4149 | __sanitizer_sigset_t *oldset) { | |
4150 | void *ctx; | |
4151 | COMMON_INTERCEPTOR_ENTER(ctx, sigprocmask, how, set, oldset); | |
5d3805fc | 4152 | if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set)); |
866e32ad KS |
4153 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4154 | // its metadata. See | |
10189819 | 4155 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
4156 | int res = REAL(sigprocmask)(how, set, oldset); |
4157 | if (!res && oldset) | |
4158 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldset, sizeof(*oldset)); | |
4159 | return res; | |
4160 | } | |
df77f0e4 | 4161 | #define INIT_SIGPROCMASK COMMON_INTERCEPT_FUNCTION(sigprocmask); |
ef1b3fda KS |
4162 | #else |
4163 | #define INIT_SIGPROCMASK | |
4164 | #endif | |
4165 | ||
b667dd70 ML |
4166 | #if SANITIZER_INTERCEPT_PTHREAD_SIGMASK |
4167 | INTERCEPTOR(int, pthread_sigmask, int how, __sanitizer_sigset_t *set, | |
4168 | __sanitizer_sigset_t *oldset) { | |
4169 | void *ctx; | |
4170 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_sigmask, how, set, oldset); | |
4171 | if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set)); | |
4172 | // FIXME: under ASan the call below may write to freed memory and corrupt | |
4173 | // its metadata. See | |
4174 | // https://github.com/google/sanitizers/issues/321. | |
4175 | int res = REAL(pthread_sigmask)(how, set, oldset); | |
4176 | if (!res && oldset) | |
4177 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldset, sizeof(*oldset)); | |
4178 | return res; | |
4179 | } | |
4180 | #define INIT_PTHREAD_SIGMASK COMMON_INTERCEPT_FUNCTION(pthread_sigmask); | |
4181 | #else | |
4182 | #define INIT_PTHREAD_SIGMASK | |
4183 | #endif | |
4184 | ||
ef1b3fda KS |
4185 | #if SANITIZER_INTERCEPT_BACKTRACE |
4186 | INTERCEPTOR(int, backtrace, void **buffer, int size) { | |
4187 | void *ctx; | |
4188 | COMMON_INTERCEPTOR_ENTER(ctx, backtrace, buffer, size); | |
866e32ad KS |
4189 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4190 | // its metadata. See | |
10189819 | 4191 | // https://github.com/google/sanitizers/issues/321. |
ef1b3fda KS |
4192 | int res = REAL(backtrace)(buffer, size); |
4193 | if (res && buffer) | |
4194 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buffer, res * sizeof(*buffer)); | |
4195 | return res; | |
4196 | } | |
4197 | ||
4198 | INTERCEPTOR(char **, backtrace_symbols, void **buffer, int size) { | |
4199 | void *ctx; | |
4200 | COMMON_INTERCEPTOR_ENTER(ctx, backtrace_symbols, buffer, size); | |
4201 | if (buffer && size) | |
4202 | COMMON_INTERCEPTOR_READ_RANGE(ctx, buffer, size * sizeof(*buffer)); | |
866e32ad KS |
4203 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4204 | // its metadata. See | |
10189819 | 4205 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 | 4206 | char **res = REAL(backtrace_symbols)(buffer, size); |
ef1b3fda KS |
4207 | if (res && size) { |
4208 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, size * sizeof(*res)); | |
4209 | for (int i = 0; i < size; ++i) | |
4210 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res[i], REAL(strlen(res[i])) + 1); | |
4211 | } | |
4212 | return res; | |
4213 | } | |
df77f0e4 KS |
4214 | #define INIT_BACKTRACE \ |
4215 | COMMON_INTERCEPT_FUNCTION(backtrace); \ | |
4216 | COMMON_INTERCEPT_FUNCTION(backtrace_symbols); | |
ef1b3fda KS |
4217 | #else |
4218 | #define INIT_BACKTRACE | |
4219 | #endif | |
4220 | ||
df77f0e4 KS |
4221 | #if SANITIZER_INTERCEPT__EXIT |
4222 | INTERCEPTOR(void, _exit, int status) { | |
4223 | void *ctx; | |
4224 | COMMON_INTERCEPTOR_ENTER(ctx, _exit, status); | |
10189819 | 4225 | COMMON_INTERCEPTOR_USER_CALLBACK_START(); |
df77f0e4 | 4226 | int status1 = COMMON_INTERCEPTOR_ON_EXIT(ctx); |
10189819 | 4227 | COMMON_INTERCEPTOR_USER_CALLBACK_END(); |
df77f0e4 KS |
4228 | if (status == 0) status = status1; |
4229 | REAL(_exit)(status); | |
4230 | } | |
4231 | #define INIT__EXIT COMMON_INTERCEPT_FUNCTION(_exit); | |
4232 | #else | |
4233 | #define INIT__EXIT | |
4234 | #endif | |
4235 | ||
eac97531 | 4236 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEX |
df77f0e4 KS |
4237 | INTERCEPTOR(int, pthread_mutex_lock, void *m) { |
4238 | void *ctx; | |
4239 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_mutex_lock, m); | |
5d3805fc | 4240 | COMMON_INTERCEPTOR_MUTEX_PRE_LOCK(ctx, m); |
df77f0e4 KS |
4241 | int res = REAL(pthread_mutex_lock)(m); |
4242 | if (res == errno_EOWNERDEAD) | |
4243 | COMMON_INTERCEPTOR_MUTEX_REPAIR(ctx, m); | |
4244 | if (res == 0 || res == errno_EOWNERDEAD) | |
5d3805fc | 4245 | COMMON_INTERCEPTOR_MUTEX_POST_LOCK(ctx, m); |
10189819 MO |
4246 | if (res == errno_EINVAL) |
4247 | COMMON_INTERCEPTOR_MUTEX_INVALID(ctx, m); | |
df77f0e4 KS |
4248 | return res; |
4249 | } | |
4250 | ||
4251 | INTERCEPTOR(int, pthread_mutex_unlock, void *m) { | |
4252 | void *ctx; | |
4253 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_mutex_unlock, m); | |
4254 | COMMON_INTERCEPTOR_MUTEX_UNLOCK(ctx, m); | |
10189819 MO |
4255 | int res = REAL(pthread_mutex_unlock)(m); |
4256 | if (res == errno_EINVAL) | |
4257 | COMMON_INTERCEPTOR_MUTEX_INVALID(ctx, m); | |
4258 | return res; | |
df77f0e4 KS |
4259 | } |
4260 | ||
4261 | #define INIT_PTHREAD_MUTEX_LOCK COMMON_INTERCEPT_FUNCTION(pthread_mutex_lock) | |
4262 | #define INIT_PTHREAD_MUTEX_UNLOCK \ | |
4263 | COMMON_INTERCEPT_FUNCTION(pthread_mutex_unlock) | |
4264 | #else | |
4265 | #define INIT_PTHREAD_MUTEX_LOCK | |
4266 | #define INIT_PTHREAD_MUTEX_UNLOCK | |
4267 | #endif | |
4268 | ||
eac97531 ML |
4269 | #if SANITIZER_INTERCEPT___PTHREAD_MUTEX |
4270 | INTERCEPTOR(int, __pthread_mutex_lock, void *m) { | |
3c6331c2 ML |
4271 | void *ctx; |
4272 | COMMON_INTERCEPTOR_ENTER(ctx, __pthread_mutex_lock, m); | |
4273 | COMMON_INTERCEPTOR_MUTEX_PRE_LOCK(ctx, m); | |
4274 | int res = REAL(__pthread_mutex_lock)(m); | |
4275 | if (res == errno_EOWNERDEAD) | |
4276 | COMMON_INTERCEPTOR_MUTEX_REPAIR(ctx, m); | |
4277 | if (res == 0 || res == errno_EOWNERDEAD) | |
4278 | COMMON_INTERCEPTOR_MUTEX_POST_LOCK(ctx, m); | |
4279 | if (res == errno_EINVAL) | |
4280 | COMMON_INTERCEPTOR_MUTEX_INVALID(ctx, m); | |
4281 | return res; | |
eac97531 ML |
4282 | } |
4283 | ||
4284 | INTERCEPTOR(int, __pthread_mutex_unlock, void *m) { | |
3c6331c2 ML |
4285 | void *ctx; |
4286 | COMMON_INTERCEPTOR_ENTER(ctx, __pthread_mutex_unlock, m); | |
4287 | COMMON_INTERCEPTOR_MUTEX_UNLOCK(ctx, m); | |
4288 | int res = REAL(__pthread_mutex_unlock)(m); | |
4289 | if (res == errno_EINVAL) | |
4290 | COMMON_INTERCEPTOR_MUTEX_INVALID(ctx, m); | |
4291 | return res; | |
eac97531 ML |
4292 | } |
4293 | ||
4294 | #define INIT___PTHREAD_MUTEX_LOCK \ | |
4295 | COMMON_INTERCEPT_FUNCTION(__pthread_mutex_lock) | |
4296 | #define INIT___PTHREAD_MUTEX_UNLOCK \ | |
4297 | COMMON_INTERCEPT_FUNCTION(__pthread_mutex_unlock) | |
4298 | #else | |
4299 | #define INIT___PTHREAD_MUTEX_LOCK | |
4300 | #define INIT___PTHREAD_MUTEX_UNLOCK | |
4301 | #endif | |
4302 | ||
4303 | #if SANITIZER_INTERCEPT___LIBC_MUTEX | |
4304 | INTERCEPTOR(int, __libc_mutex_lock, void *m) | |
4305 | ALIAS(WRAPPER_NAME(pthread_mutex_lock)); | |
4306 | ||
4307 | INTERCEPTOR(int, __libc_mutex_unlock, void *m) | |
4308 | ALIAS(WRAPPER_NAME(pthread_mutex_unlock)); | |
4309 | ||
4310 | INTERCEPTOR(int, __libc_thr_setcancelstate, int state, int *oldstate) | |
4311 | ALIAS(WRAPPER_NAME(pthread_setcancelstate)); | |
4312 | ||
4313 | #define INIT___LIBC_MUTEX_LOCK COMMON_INTERCEPT_FUNCTION(__libc_mutex_lock) | |
4314 | #define INIT___LIBC_MUTEX_UNLOCK COMMON_INTERCEPT_FUNCTION(__libc_mutex_unlock) | |
4315 | #define INIT___LIBC_THR_SETCANCELSTATE \ | |
4316 | COMMON_INTERCEPT_FUNCTION(__libc_thr_setcancelstate) | |
4317 | #else | |
4318 | #define INIT___LIBC_MUTEX_LOCK | |
4319 | #define INIT___LIBC_MUTEX_UNLOCK | |
4320 | #define INIT___LIBC_THR_SETCANCELSTATE | |
4321 | #endif | |
4322 | ||
df77f0e4 KS |
4323 | #if SANITIZER_INTERCEPT_GETMNTENT || SANITIZER_INTERCEPT_GETMNTENT_R |
4324 | static void write_mntent(void *ctx, __sanitizer_mntent *mnt) { | |
4325 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt, sizeof(*mnt)); | |
4326 | if (mnt->mnt_fsname) | |
4327 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_fsname, | |
4328 | REAL(strlen)(mnt->mnt_fsname) + 1); | |
4329 | if (mnt->mnt_dir) | |
4330 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_dir, | |
4331 | REAL(strlen)(mnt->mnt_dir) + 1); | |
4332 | if (mnt->mnt_type) | |
4333 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_type, | |
4334 | REAL(strlen)(mnt->mnt_type) + 1); | |
4335 | if (mnt->mnt_opts) | |
4336 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_opts, | |
4337 | REAL(strlen)(mnt->mnt_opts) + 1); | |
4338 | } | |
4339 | #endif | |
4340 | ||
4341 | #if SANITIZER_INTERCEPT_GETMNTENT | |
4342 | INTERCEPTOR(__sanitizer_mntent *, getmntent, void *fp) { | |
4343 | void *ctx; | |
4344 | COMMON_INTERCEPTOR_ENTER(ctx, getmntent, fp); | |
4345 | __sanitizer_mntent *res = REAL(getmntent)(fp); | |
4346 | if (res) write_mntent(ctx, res); | |
4347 | return res; | |
4348 | } | |
4349 | #define INIT_GETMNTENT COMMON_INTERCEPT_FUNCTION(getmntent); | |
4350 | #else | |
4351 | #define INIT_GETMNTENT | |
4352 | #endif | |
4353 | ||
4354 | #if SANITIZER_INTERCEPT_GETMNTENT_R | |
4355 | INTERCEPTOR(__sanitizer_mntent *, getmntent_r, void *fp, | |
4356 | __sanitizer_mntent *mntbuf, char *buf, int buflen) { | |
4357 | void *ctx; | |
4358 | COMMON_INTERCEPTOR_ENTER(ctx, getmntent_r, fp, mntbuf, buf, buflen); | |
4359 | __sanitizer_mntent *res = REAL(getmntent_r)(fp, mntbuf, buf, buflen); | |
4360 | if (res) write_mntent(ctx, res); | |
4361 | return res; | |
4362 | } | |
4363 | #define INIT_GETMNTENT_R COMMON_INTERCEPT_FUNCTION(getmntent_r); | |
4364 | #else | |
4365 | #define INIT_GETMNTENT_R | |
4366 | #endif | |
4367 | ||
4368 | #if SANITIZER_INTERCEPT_STATFS | |
4369 | INTERCEPTOR(int, statfs, char *path, void *buf) { | |
4370 | void *ctx; | |
4371 | COMMON_INTERCEPTOR_ENTER(ctx, statfs, path, buf); | |
4372 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
866e32ad KS |
4373 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4374 | // its metadata. See | |
10189819 | 4375 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4376 | int res = REAL(statfs)(path, buf); |
4377 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs_sz); | |
4378 | return res; | |
4379 | } | |
4380 | INTERCEPTOR(int, fstatfs, int fd, void *buf) { | |
4381 | void *ctx; | |
4382 | COMMON_INTERCEPTOR_ENTER(ctx, fstatfs, fd, buf); | |
866e32ad KS |
4383 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4384 | // its metadata. See | |
10189819 | 4385 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4386 | int res = REAL(fstatfs)(fd, buf); |
4387 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs_sz); | |
4388 | return res; | |
4389 | } | |
4390 | #define INIT_STATFS \ | |
4391 | COMMON_INTERCEPT_FUNCTION(statfs); \ | |
4392 | COMMON_INTERCEPT_FUNCTION(fstatfs); | |
4393 | #else | |
4394 | #define INIT_STATFS | |
4395 | #endif | |
4396 | ||
4397 | #if SANITIZER_INTERCEPT_STATFS64 | |
4398 | INTERCEPTOR(int, statfs64, char *path, void *buf) { | |
4399 | void *ctx; | |
4400 | COMMON_INTERCEPTOR_ENTER(ctx, statfs64, path, buf); | |
4401 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
866e32ad KS |
4402 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4403 | // its metadata. See | |
10189819 | 4404 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4405 | int res = REAL(statfs64)(path, buf); |
4406 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs64_sz); | |
4407 | return res; | |
4408 | } | |
4409 | INTERCEPTOR(int, fstatfs64, int fd, void *buf) { | |
4410 | void *ctx; | |
4411 | COMMON_INTERCEPTOR_ENTER(ctx, fstatfs64, fd, buf); | |
866e32ad KS |
4412 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4413 | // its metadata. See | |
10189819 | 4414 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4415 | int res = REAL(fstatfs64)(fd, buf); |
4416 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs64_sz); | |
4417 | return res; | |
4418 | } | |
4419 | #define INIT_STATFS64 \ | |
4420 | COMMON_INTERCEPT_FUNCTION(statfs64); \ | |
4421 | COMMON_INTERCEPT_FUNCTION(fstatfs64); | |
4422 | #else | |
4423 | #define INIT_STATFS64 | |
4424 | #endif | |
4425 | ||
4426 | #if SANITIZER_INTERCEPT_STATVFS | |
4427 | INTERCEPTOR(int, statvfs, char *path, void *buf) { | |
4428 | void *ctx; | |
4429 | COMMON_INTERCEPTOR_ENTER(ctx, statvfs, path, buf); | |
4430 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
866e32ad KS |
4431 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4432 | // its metadata. See | |
10189819 | 4433 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4434 | int res = REAL(statvfs)(path, buf); |
4435 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz); | |
4436 | return res; | |
4437 | } | |
4438 | INTERCEPTOR(int, fstatvfs, int fd, void *buf) { | |
4439 | void *ctx; | |
4440 | COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs, fd, buf); | |
b667dd70 | 4441 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); |
866e32ad KS |
4442 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4443 | // its metadata. See | |
10189819 | 4444 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 | 4445 | int res = REAL(fstatvfs)(fd, buf); |
b667dd70 ML |
4446 | if (!res) { |
4447 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz); | |
4448 | if (fd >= 0) | |
4449 | COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
4450 | } | |
df77f0e4 KS |
4451 | return res; |
4452 | } | |
4453 | #define INIT_STATVFS \ | |
4454 | COMMON_INTERCEPT_FUNCTION(statvfs); \ | |
4455 | COMMON_INTERCEPT_FUNCTION(fstatvfs); | |
4456 | #else | |
4457 | #define INIT_STATVFS | |
4458 | #endif | |
4459 | ||
4460 | #if SANITIZER_INTERCEPT_STATVFS64 | |
4461 | INTERCEPTOR(int, statvfs64, char *path, void *buf) { | |
4462 | void *ctx; | |
4463 | COMMON_INTERCEPTOR_ENTER(ctx, statvfs64, path, buf); | |
4464 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
866e32ad KS |
4465 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4466 | // its metadata. See | |
10189819 | 4467 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4468 | int res = REAL(statvfs64)(path, buf); |
4469 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs64_sz); | |
4470 | return res; | |
4471 | } | |
4472 | INTERCEPTOR(int, fstatvfs64, int fd, void *buf) { | |
4473 | void *ctx; | |
4474 | COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs64, fd, buf); | |
866e32ad KS |
4475 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4476 | // its metadata. See | |
10189819 | 4477 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4478 | int res = REAL(fstatvfs64)(fd, buf); |
4479 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs64_sz); | |
4480 | return res; | |
4481 | } | |
4482 | #define INIT_STATVFS64 \ | |
4483 | COMMON_INTERCEPT_FUNCTION(statvfs64); \ | |
4484 | COMMON_INTERCEPT_FUNCTION(fstatvfs64); | |
4485 | #else | |
4486 | #define INIT_STATVFS64 | |
4487 | #endif | |
4488 | ||
4489 | #if SANITIZER_INTERCEPT_INITGROUPS | |
4490 | INTERCEPTOR(int, initgroups, char *user, u32 group) { | |
4491 | void *ctx; | |
4492 | COMMON_INTERCEPTOR_ENTER(ctx, initgroups, user, group); | |
4493 | if (user) COMMON_INTERCEPTOR_READ_RANGE(ctx, user, REAL(strlen)(user) + 1); | |
4494 | int res = REAL(initgroups)(user, group); | |
4495 | return res; | |
4496 | } | |
4497 | #define INIT_INITGROUPS COMMON_INTERCEPT_FUNCTION(initgroups); | |
4498 | #else | |
4499 | #define INIT_INITGROUPS | |
4500 | #endif | |
4501 | ||
866e32ad | 4502 | #if SANITIZER_INTERCEPT_ETHER_NTOA_ATON |
df77f0e4 KS |
4503 | INTERCEPTOR(char *, ether_ntoa, __sanitizer_ether_addr *addr) { |
4504 | void *ctx; | |
4505 | COMMON_INTERCEPTOR_ENTER(ctx, ether_ntoa, addr); | |
4506 | if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr)); | |
4507 | char *res = REAL(ether_ntoa)(addr); | |
dee5ea7a | 4508 | if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); |
df77f0e4 KS |
4509 | return res; |
4510 | } | |
4511 | INTERCEPTOR(__sanitizer_ether_addr *, ether_aton, char *buf) { | |
4512 | void *ctx; | |
4513 | COMMON_INTERCEPTOR_ENTER(ctx, ether_aton, buf); | |
4514 | if (buf) COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, REAL(strlen)(buf) + 1); | |
4515 | __sanitizer_ether_addr *res = REAL(ether_aton)(buf); | |
dee5ea7a | 4516 | if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, sizeof(*res)); |
df77f0e4 KS |
4517 | return res; |
4518 | } | |
866e32ad KS |
4519 | #define INIT_ETHER_NTOA_ATON \ |
4520 | COMMON_INTERCEPT_FUNCTION(ether_ntoa); \ | |
4521 | COMMON_INTERCEPT_FUNCTION(ether_aton); | |
4522 | #else | |
4523 | #define INIT_ETHER_NTOA_ATON | |
4524 | #endif | |
4525 | ||
4526 | #if SANITIZER_INTERCEPT_ETHER_HOST | |
df77f0e4 KS |
4527 | INTERCEPTOR(int, ether_ntohost, char *hostname, __sanitizer_ether_addr *addr) { |
4528 | void *ctx; | |
4529 | COMMON_INTERCEPTOR_ENTER(ctx, ether_ntohost, hostname, addr); | |
4530 | if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr)); | |
866e32ad KS |
4531 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4532 | // its metadata. See | |
10189819 | 4533 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4534 | int res = REAL(ether_ntohost)(hostname, addr); |
4535 | if (!res && hostname) | |
4536 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hostname, REAL(strlen)(hostname) + 1); | |
4537 | return res; | |
4538 | } | |
4539 | INTERCEPTOR(int, ether_hostton, char *hostname, __sanitizer_ether_addr *addr) { | |
4540 | void *ctx; | |
4541 | COMMON_INTERCEPTOR_ENTER(ctx, ether_hostton, hostname, addr); | |
4542 | if (hostname) | |
4543 | COMMON_INTERCEPTOR_READ_RANGE(ctx, hostname, REAL(strlen)(hostname) + 1); | |
866e32ad KS |
4544 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4545 | // its metadata. See | |
10189819 | 4546 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4547 | int res = REAL(ether_hostton)(hostname, addr); |
4548 | if (!res && addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr)); | |
4549 | return res; | |
4550 | } | |
4551 | INTERCEPTOR(int, ether_line, char *line, __sanitizer_ether_addr *addr, | |
4552 | char *hostname) { | |
4553 | void *ctx; | |
4554 | COMMON_INTERCEPTOR_ENTER(ctx, ether_line, line, addr, hostname); | |
4555 | if (line) COMMON_INTERCEPTOR_READ_RANGE(ctx, line, REAL(strlen)(line) + 1); | |
866e32ad KS |
4556 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4557 | // its metadata. See | |
10189819 | 4558 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4559 | int res = REAL(ether_line)(line, addr, hostname); |
4560 | if (!res) { | |
4561 | if (addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr)); | |
4562 | if (hostname) | |
4563 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hostname, REAL(strlen)(hostname) + 1); | |
4564 | } | |
4565 | return res; | |
4566 | } | |
866e32ad | 4567 | #define INIT_ETHER_HOST \ |
df77f0e4 KS |
4568 | COMMON_INTERCEPT_FUNCTION(ether_ntohost); \ |
4569 | COMMON_INTERCEPT_FUNCTION(ether_hostton); \ | |
4570 | COMMON_INTERCEPT_FUNCTION(ether_line); | |
4571 | #else | |
866e32ad | 4572 | #define INIT_ETHER_HOST |
df77f0e4 KS |
4573 | #endif |
4574 | ||
4575 | #if SANITIZER_INTERCEPT_ETHER_R | |
4576 | INTERCEPTOR(char *, ether_ntoa_r, __sanitizer_ether_addr *addr, char *buf) { | |
4577 | void *ctx; | |
4578 | COMMON_INTERCEPTOR_ENTER(ctx, ether_ntoa_r, addr, buf); | |
4579 | if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr)); | |
866e32ad KS |
4580 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4581 | // its metadata. See | |
10189819 | 4582 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4583 | char *res = REAL(ether_ntoa_r)(addr, buf); |
4584 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
4585 | return res; | |
4586 | } | |
4587 | INTERCEPTOR(__sanitizer_ether_addr *, ether_aton_r, char *buf, | |
4588 | __sanitizer_ether_addr *addr) { | |
4589 | void *ctx; | |
4590 | COMMON_INTERCEPTOR_ENTER(ctx, ether_aton_r, buf, addr); | |
4591 | if (buf) COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, REAL(strlen)(buf) + 1); | |
866e32ad KS |
4592 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4593 | // its metadata. See | |
10189819 | 4594 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4595 | __sanitizer_ether_addr *res = REAL(ether_aton_r)(buf, addr); |
4596 | if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, sizeof(*res)); | |
4597 | return res; | |
4598 | } | |
4599 | #define INIT_ETHER_R \ | |
4600 | COMMON_INTERCEPT_FUNCTION(ether_ntoa_r); \ | |
4601 | COMMON_INTERCEPT_FUNCTION(ether_aton_r); | |
4602 | #else | |
4603 | #define INIT_ETHER_R | |
4604 | #endif | |
4605 | ||
4606 | #if SANITIZER_INTERCEPT_SHMCTL | |
4607 | INTERCEPTOR(int, shmctl, int shmid, int cmd, void *buf) { | |
4608 | void *ctx; | |
4609 | COMMON_INTERCEPTOR_ENTER(ctx, shmctl, shmid, cmd, buf); | |
866e32ad KS |
4610 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4611 | // its metadata. See | |
10189819 | 4612 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4613 | int res = REAL(shmctl)(shmid, cmd, buf); |
4614 | if (res >= 0) { | |
4615 | unsigned sz = 0; | |
4616 | if (cmd == shmctl_ipc_stat || cmd == shmctl_shm_stat) | |
4617 | sz = sizeof(__sanitizer_shmid_ds); | |
4618 | else if (cmd == shmctl_ipc_info) | |
4619 | sz = struct_shminfo_sz; | |
4620 | else if (cmd == shmctl_shm_info) | |
4621 | sz = struct_shm_info_sz; | |
4622 | if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sz); | |
4623 | } | |
4624 | return res; | |
4625 | } | |
4626 | #define INIT_SHMCTL COMMON_INTERCEPT_FUNCTION(shmctl); | |
4627 | #else | |
4628 | #define INIT_SHMCTL | |
4629 | #endif | |
4630 | ||
4631 | #if SANITIZER_INTERCEPT_RANDOM_R | |
4632 | INTERCEPTOR(int, random_r, void *buf, u32 *result) { | |
4633 | void *ctx; | |
4634 | COMMON_INTERCEPTOR_ENTER(ctx, random_r, buf, result); | |
866e32ad KS |
4635 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4636 | // its metadata. See | |
10189819 | 4637 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4638 | int res = REAL(random_r)(buf, result); |
4639 | if (!res && result) | |
4640 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
4641 | return res; | |
4642 | } | |
4643 | #define INIT_RANDOM_R COMMON_INTERCEPT_FUNCTION(random_r); | |
4644 | #else | |
4645 | #define INIT_RANDOM_R | |
4646 | #endif | |
4647 | ||
866e32ad KS |
4648 | // FIXME: under ASan the REAL() call below may write to freed memory and corrupt |
4649 | // its metadata. See | |
10189819 | 4650 | // https://github.com/google/sanitizers/issues/321. |
866e32ad | 4651 | #if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET || \ |
eac97531 | 4652 | SANITIZER_INTERCEPT_PTHREAD_ATTR_GET_SCHED || \ |
866e32ad KS |
4653 | SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSSCHED || \ |
4654 | SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GET || \ | |
4655 | SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GET || \ | |
4656 | SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GET || \ | |
4657 | SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GET | |
4658 | #define INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(fn, sz) \ | |
4659 | INTERCEPTOR(int, fn, void *attr, void *r) { \ | |
4660 | void *ctx; \ | |
4661 | COMMON_INTERCEPTOR_ENTER(ctx, fn, attr, r); \ | |
4662 | int res = REAL(fn)(attr, r); \ | |
4663 | if (!res && r) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, r, sz); \ | |
4664 | return res; \ | |
df77f0e4 | 4665 | } |
866e32ad KS |
4666 | #define INTERCEPTOR_PTHREAD_ATTR_GET(what, sz) \ |
4667 | INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_attr_get##what, sz) | |
4668 | #define INTERCEPTOR_PTHREAD_MUTEXATTR_GET(what, sz) \ | |
4669 | INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_mutexattr_get##what, sz) | |
4670 | #define INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(what, sz) \ | |
4671 | INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_rwlockattr_get##what, sz) | |
4672 | #define INTERCEPTOR_PTHREAD_CONDATTR_GET(what, sz) \ | |
4673 | INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_condattr_get##what, sz) | |
4674 | #define INTERCEPTOR_PTHREAD_BARRIERATTR_GET(what, sz) \ | |
4675 | INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_barrierattr_get##what, sz) | |
df77f0e4 KS |
4676 | #endif |
4677 | ||
4678 | #if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET | |
4679 | INTERCEPTOR_PTHREAD_ATTR_GET(detachstate, sizeof(int)) | |
4680 | INTERCEPTOR_PTHREAD_ATTR_GET(guardsize, sizeof(SIZE_T)) | |
df77f0e4 KS |
4681 | INTERCEPTOR_PTHREAD_ATTR_GET(scope, sizeof(int)) |
4682 | INTERCEPTOR_PTHREAD_ATTR_GET(stacksize, sizeof(SIZE_T)) | |
4683 | INTERCEPTOR(int, pthread_attr_getstack, void *attr, void **addr, SIZE_T *size) { | |
4684 | void *ctx; | |
4685 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_getstack, attr, addr, size); | |
866e32ad KS |
4686 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4687 | // its metadata. See | |
10189819 | 4688 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4689 | int res = REAL(pthread_attr_getstack)(attr, addr, size); |
4690 | if (!res) { | |
4691 | if (addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr)); | |
4692 | if (size) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, size, sizeof(*size)); | |
4693 | } | |
4694 | return res; | |
4695 | } | |
4696 | ||
4697 | // We may need to call the real pthread_attr_getstack from the run-time | |
4698 | // in sanitizer_common, but we don't want to include the interception headers | |
4699 | // there. So, just define this function here. | |
dee5ea7a KS |
4700 | namespace __sanitizer { |
4701 | extern "C" { | |
4702 | int real_pthread_attr_getstack(void *attr, void **addr, SIZE_T *size) { | |
df77f0e4 KS |
4703 | return REAL(pthread_attr_getstack)(attr, addr, size); |
4704 | } | |
dee5ea7a KS |
4705 | } // extern "C" |
4706 | } // namespace __sanitizer | |
df77f0e4 KS |
4707 | |
4708 | #define INIT_PTHREAD_ATTR_GET \ | |
4709 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getdetachstate); \ | |
4710 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getguardsize); \ | |
df77f0e4 KS |
4711 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getscope); \ |
4712 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getstacksize); \ | |
4713 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getstack); | |
4714 | #else | |
4715 | #define INIT_PTHREAD_ATTR_GET | |
4716 | #endif | |
4717 | ||
eac97531 ML |
4718 | #if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET_SCHED |
4719 | INTERCEPTOR_PTHREAD_ATTR_GET(schedparam, struct_sched_param_sz) | |
4720 | INTERCEPTOR_PTHREAD_ATTR_GET(schedpolicy, sizeof(int)) | |
4721 | ||
4722 | #define INIT_PTHREAD_ATTR_GET_SCHED \ | |
4723 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getschedparam); \ | |
4724 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getschedpolicy); | |
4725 | #else | |
4726 | #define INIT_PTHREAD_ATTR_GET_SCHED | |
4727 | #endif | |
4728 | ||
df77f0e4 KS |
4729 | #if SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSCHED |
4730 | INTERCEPTOR_PTHREAD_ATTR_GET(inheritsched, sizeof(int)) | |
4731 | ||
4732 | #define INIT_PTHREAD_ATTR_GETINHERITSCHED \ | |
4733 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getinheritsched); | |
4734 | #else | |
4735 | #define INIT_PTHREAD_ATTR_GETINHERITSCHED | |
4736 | #endif | |
4737 | ||
4738 | #if SANITIZER_INTERCEPT_PTHREAD_ATTR_GETAFFINITY_NP | |
4739 | INTERCEPTOR(int, pthread_attr_getaffinity_np, void *attr, SIZE_T cpusetsize, | |
4740 | void *cpuset) { | |
4741 | void *ctx; | |
4742 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_getaffinity_np, attr, cpusetsize, | |
4743 | cpuset); | |
866e32ad KS |
4744 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4745 | // its metadata. See | |
10189819 | 4746 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4747 | int res = REAL(pthread_attr_getaffinity_np)(attr, cpusetsize, cpuset); |
4748 | if (!res && cpusetsize && cpuset) | |
4749 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cpuset, cpusetsize); | |
4750 | return res; | |
4751 | } | |
4752 | ||
4753 | #define INIT_PTHREAD_ATTR_GETAFFINITY_NP \ | |
4754 | COMMON_INTERCEPT_FUNCTION(pthread_attr_getaffinity_np); | |
4755 | #else | |
4756 | #define INIT_PTHREAD_ATTR_GETAFFINITY_NP | |
4757 | #endif | |
4758 | ||
866e32ad KS |
4759 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPSHARED |
4760 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(pshared, sizeof(int)) | |
4761 | #define INIT_PTHREAD_MUTEXATTR_GETPSHARED \ | |
4762 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getpshared); | |
4763 | #else | |
4764 | #define INIT_PTHREAD_MUTEXATTR_GETPSHARED | |
4765 | #endif | |
4766 | ||
4767 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETTYPE | |
4768 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(type, sizeof(int)) | |
4769 | #define INIT_PTHREAD_MUTEXATTR_GETTYPE \ | |
4770 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_gettype); | |
4771 | #else | |
4772 | #define INIT_PTHREAD_MUTEXATTR_GETTYPE | |
4773 | #endif | |
4774 | ||
4775 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPROTOCOL | |
4776 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(protocol, sizeof(int)) | |
4777 | #define INIT_PTHREAD_MUTEXATTR_GETPROTOCOL \ | |
4778 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getprotocol); | |
4779 | #else | |
4780 | #define INIT_PTHREAD_MUTEXATTR_GETPROTOCOL | |
4781 | #endif | |
4782 | ||
4783 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPRIOCEILING | |
4784 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(prioceiling, sizeof(int)) | |
4785 | #define INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING \ | |
4786 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getprioceiling); | |
4787 | #else | |
4788 | #define INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING | |
4789 | #endif | |
4790 | ||
4791 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST | |
4792 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(robust, sizeof(int)) | |
4793 | #define INIT_PTHREAD_MUTEXATTR_GETROBUST \ | |
4794 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getrobust); | |
4795 | #else | |
4796 | #define INIT_PTHREAD_MUTEXATTR_GETROBUST | |
4797 | #endif | |
4798 | ||
4799 | #if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST_NP | |
4800 | INTERCEPTOR_PTHREAD_MUTEXATTR_GET(robust_np, sizeof(int)) | |
4801 | #define INIT_PTHREAD_MUTEXATTR_GETROBUST_NP \ | |
4802 | COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getrobust_np); | |
4803 | #else | |
4804 | #define INIT_PTHREAD_MUTEXATTR_GETROBUST_NP | |
4805 | #endif | |
4806 | ||
4807 | #if SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETPSHARED | |
4808 | INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(pshared, sizeof(int)) | |
4809 | #define INIT_PTHREAD_RWLOCKATTR_GETPSHARED \ | |
4810 | COMMON_INTERCEPT_FUNCTION(pthread_rwlockattr_getpshared); | |
4811 | #else | |
4812 | #define INIT_PTHREAD_RWLOCKATTR_GETPSHARED | |
4813 | #endif | |
4814 | ||
4815 | #if SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETKIND_NP | |
4816 | INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(kind_np, sizeof(int)) | |
4817 | #define INIT_PTHREAD_RWLOCKATTR_GETKIND_NP \ | |
4818 | COMMON_INTERCEPT_FUNCTION(pthread_rwlockattr_getkind_np); | |
4819 | #else | |
4820 | #define INIT_PTHREAD_RWLOCKATTR_GETKIND_NP | |
4821 | #endif | |
4822 | ||
4823 | #if SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETPSHARED | |
4824 | INTERCEPTOR_PTHREAD_CONDATTR_GET(pshared, sizeof(int)) | |
4825 | #define INIT_PTHREAD_CONDATTR_GETPSHARED \ | |
4826 | COMMON_INTERCEPT_FUNCTION(pthread_condattr_getpshared); | |
4827 | #else | |
4828 | #define INIT_PTHREAD_CONDATTR_GETPSHARED | |
4829 | #endif | |
4830 | ||
4831 | #if SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETCLOCK | |
4832 | INTERCEPTOR_PTHREAD_CONDATTR_GET(clock, sizeof(int)) | |
4833 | #define INIT_PTHREAD_CONDATTR_GETCLOCK \ | |
4834 | COMMON_INTERCEPT_FUNCTION(pthread_condattr_getclock); | |
4835 | #else | |
4836 | #define INIT_PTHREAD_CONDATTR_GETCLOCK | |
4837 | #endif | |
4838 | ||
4839 | #if SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GETPSHARED | |
4840 | INTERCEPTOR_PTHREAD_BARRIERATTR_GET(pshared, sizeof(int)) // !mac !android | |
4841 | #define INIT_PTHREAD_BARRIERATTR_GETPSHARED \ | |
4842 | COMMON_INTERCEPT_FUNCTION(pthread_barrierattr_getpshared); | |
4843 | #else | |
4844 | #define INIT_PTHREAD_BARRIERATTR_GETPSHARED | |
4845 | #endif | |
4846 | ||
df77f0e4 KS |
4847 | #if SANITIZER_INTERCEPT_TMPNAM |
4848 | INTERCEPTOR(char *, tmpnam, char *s) { | |
4849 | void *ctx; | |
4850 | COMMON_INTERCEPTOR_ENTER(ctx, tmpnam, s); | |
4851 | char *res = REAL(tmpnam)(s); | |
4852 | if (res) { | |
4853 | if (s) | |
866e32ad KS |
4854 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4855 | // its metadata. See | |
10189819 | 4856 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4857 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, REAL(strlen)(s) + 1); |
4858 | else | |
dee5ea7a | 4859 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); |
df77f0e4 KS |
4860 | } |
4861 | return res; | |
4862 | } | |
4863 | #define INIT_TMPNAM COMMON_INTERCEPT_FUNCTION(tmpnam); | |
4864 | #else | |
4865 | #define INIT_TMPNAM | |
4866 | #endif | |
4867 | ||
4868 | #if SANITIZER_INTERCEPT_TMPNAM_R | |
4869 | INTERCEPTOR(char *, tmpnam_r, char *s) { | |
4870 | void *ctx; | |
4871 | COMMON_INTERCEPTOR_ENTER(ctx, tmpnam_r, s); | |
866e32ad KS |
4872 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4873 | // its metadata. See | |
10189819 | 4874 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
4875 | char *res = REAL(tmpnam_r)(s); |
4876 | if (res && s) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, REAL(strlen)(s) + 1); | |
4877 | return res; | |
4878 | } | |
4879 | #define INIT_TMPNAM_R COMMON_INTERCEPT_FUNCTION(tmpnam_r); | |
4880 | #else | |
4881 | #define INIT_TMPNAM_R | |
4882 | #endif | |
4883 | ||
0b997f6e ML |
4884 | #if SANITIZER_INTERCEPT_PTSNAME |
4885 | INTERCEPTOR(char *, ptsname, int fd) { | |
4886 | void *ctx; | |
4887 | COMMON_INTERCEPTOR_ENTER(ctx, ptsname, fd); | |
4888 | char *res = REAL(ptsname)(fd); | |
4889 | if (res != nullptr) | |
4890 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); | |
4891 | return res; | |
4892 | } | |
4893 | #define INIT_PTSNAME COMMON_INTERCEPT_FUNCTION(ptsname); | |
4894 | #else | |
4895 | #define INIT_PTSNAME | |
4896 | #endif | |
4897 | ||
4898 | #if SANITIZER_INTERCEPT_PTSNAME_R | |
4899 | INTERCEPTOR(int, ptsname_r, int fd, char *name, SIZE_T namesize) { | |
4900 | void *ctx; | |
4901 | COMMON_INTERCEPTOR_ENTER(ctx, ptsname_r, fd, name, namesize); | |
4902 | int res = REAL(ptsname_r)(fd, name, namesize); | |
4903 | if (res == 0) | |
4904 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
4905 | return res; | |
4906 | } | |
4907 | #define INIT_PTSNAME_R COMMON_INTERCEPT_FUNCTION(ptsname_r); | |
4908 | #else | |
4909 | #define INIT_PTSNAME_R | |
4910 | #endif | |
4911 | ||
b667dd70 ML |
4912 | #if SANITIZER_INTERCEPT_TTYNAME |
4913 | INTERCEPTOR(char *, ttyname, int fd) { | |
4914 | void *ctx; | |
4915 | COMMON_INTERCEPTOR_ENTER(ctx, ttyname, fd); | |
4916 | char *res = REAL(ttyname)(fd); | |
4917 | if (res != nullptr) | |
4918 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); | |
4919 | return res; | |
4920 | } | |
4921 | #define INIT_TTYNAME COMMON_INTERCEPT_FUNCTION(ttyname); | |
4922 | #else | |
4923 | #define INIT_TTYNAME | |
4924 | #endif | |
4925 | ||
10189819 MO |
4926 | #if SANITIZER_INTERCEPT_TTYNAME_R |
4927 | INTERCEPTOR(int, ttyname_r, int fd, char *name, SIZE_T namesize) { | |
4928 | void *ctx; | |
4929 | COMMON_INTERCEPTOR_ENTER(ctx, ttyname_r, fd, name, namesize); | |
4930 | int res = REAL(ttyname_r)(fd, name, namesize); | |
4931 | if (res == 0) | |
4932 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
4933 | return res; | |
4934 | } | |
4935 | #define INIT_TTYNAME_R COMMON_INTERCEPT_FUNCTION(ttyname_r); | |
4936 | #else | |
4937 | #define INIT_TTYNAME_R | |
4938 | #endif | |
4939 | ||
df77f0e4 KS |
4940 | #if SANITIZER_INTERCEPT_TEMPNAM |
4941 | INTERCEPTOR(char *, tempnam, char *dir, char *pfx) { | |
4942 | void *ctx; | |
4943 | COMMON_INTERCEPTOR_ENTER(ctx, tempnam, dir, pfx); | |
4944 | if (dir) COMMON_INTERCEPTOR_READ_RANGE(ctx, dir, REAL(strlen)(dir) + 1); | |
4945 | if (pfx) COMMON_INTERCEPTOR_READ_RANGE(ctx, pfx, REAL(strlen)(pfx) + 1); | |
4946 | char *res = REAL(tempnam)(dir, pfx); | |
dee5ea7a | 4947 | if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); |
df77f0e4 KS |
4948 | return res; |
4949 | } | |
4950 | #define INIT_TEMPNAM COMMON_INTERCEPT_FUNCTION(tempnam); | |
4951 | #else | |
4952 | #define INIT_TEMPNAM | |
4953 | #endif | |
4954 | ||
eac97531 | 4955 | #if SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP && !SANITIZER_NETBSD |
df77f0e4 KS |
4956 | INTERCEPTOR(int, pthread_setname_np, uptr thread, const char *name) { |
4957 | void *ctx; | |
4958 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_setname_np, thread, name); | |
696d846a | 4959 | COMMON_INTERCEPTOR_READ_STRING(ctx, name, 0); |
df77f0e4 KS |
4960 | COMMON_INTERCEPTOR_SET_PTHREAD_NAME(ctx, thread, name); |
4961 | return REAL(pthread_setname_np)(thread, name); | |
4962 | } | |
4963 | #define INIT_PTHREAD_SETNAME_NP COMMON_INTERCEPT_FUNCTION(pthread_setname_np); | |
eac97531 ML |
4964 | #elif SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP && SANITIZER_NETBSD |
4965 | INTERCEPTOR(int, pthread_setname_np, uptr thread, const char *name, void *arg) { | |
4966 | void *ctx; | |
4967 | char newname[32]; // PTHREAD_MAX_NAMELEN_NP=32 | |
4968 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_setname_np, thread, name, arg); | |
4969 | COMMON_INTERCEPTOR_READ_STRING(ctx, name, 0); | |
4970 | internal_snprintf(newname, sizeof(newname), name, arg); | |
4971 | COMMON_INTERCEPTOR_SET_PTHREAD_NAME(ctx, thread, newname); | |
4972 | return REAL(pthread_setname_np)(thread, name, arg); | |
4973 | } | |
4974 | #define INIT_PTHREAD_SETNAME_NP COMMON_INTERCEPT_FUNCTION(pthread_setname_np); | |
df77f0e4 KS |
4975 | #else |
4976 | #define INIT_PTHREAD_SETNAME_NP | |
4977 | #endif | |
4978 | ||
eac97531 ML |
4979 | #if SANITIZER_INTERCEPT_PTHREAD_GETNAME_NP |
4980 | INTERCEPTOR(int, pthread_getname_np, uptr thread, char *name, SIZE_T len) { | |
4981 | void *ctx; | |
4982 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_getname_np, thread, name, len); | |
4983 | int res = REAL(pthread_getname_np)(thread, name, len); | |
4984 | if (!res) | |
4985 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strnlen(name, len) + 1); | |
4986 | return res; | |
4987 | } | |
4988 | #define INIT_PTHREAD_GETNAME_NP COMMON_INTERCEPT_FUNCTION(pthread_getname_np); | |
4989 | #else | |
4990 | #define INIT_PTHREAD_GETNAME_NP | |
4991 | #endif | |
4992 | ||
df77f0e4 KS |
4993 | #if SANITIZER_INTERCEPT_SINCOS |
4994 | INTERCEPTOR(void, sincos, double x, double *sin, double *cos) { | |
4995 | void *ctx; | |
4996 | COMMON_INTERCEPTOR_ENTER(ctx, sincos, x, sin, cos); | |
866e32ad KS |
4997 | // FIXME: under ASan the call below may write to freed memory and corrupt |
4998 | // its metadata. See | |
10189819 | 4999 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5000 | REAL(sincos)(x, sin, cos); |
5001 | if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin)); | |
5002 | if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos)); | |
5003 | } | |
5004 | INTERCEPTOR(void, sincosf, float x, float *sin, float *cos) { | |
5005 | void *ctx; | |
5006 | COMMON_INTERCEPTOR_ENTER(ctx, sincosf, x, sin, cos); | |
866e32ad KS |
5007 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5008 | // its metadata. See | |
10189819 | 5009 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5010 | REAL(sincosf)(x, sin, cos); |
5011 | if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin)); | |
5012 | if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos)); | |
5013 | } | |
5014 | INTERCEPTOR(void, sincosl, long double x, long double *sin, long double *cos) { | |
5015 | void *ctx; | |
5016 | COMMON_INTERCEPTOR_ENTER(ctx, sincosl, x, sin, cos); | |
866e32ad KS |
5017 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5018 | // its metadata. See | |
10189819 | 5019 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5020 | REAL(sincosl)(x, sin, cos); |
5021 | if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin)); | |
5022 | if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos)); | |
5023 | } | |
5024 | #define INIT_SINCOS \ | |
5025 | COMMON_INTERCEPT_FUNCTION(sincos); \ | |
5026 | COMMON_INTERCEPT_FUNCTION(sincosf); \ | |
10189819 | 5027 | COMMON_INTERCEPT_FUNCTION_LDBL(sincosl); |
df77f0e4 KS |
5028 | #else |
5029 | #define INIT_SINCOS | |
5030 | #endif | |
5031 | ||
5032 | #if SANITIZER_INTERCEPT_REMQUO | |
5033 | INTERCEPTOR(double, remquo, double x, double y, int *quo) { | |
5034 | void *ctx; | |
5035 | COMMON_INTERCEPTOR_ENTER(ctx, remquo, x, y, quo); | |
866e32ad KS |
5036 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5037 | // its metadata. See | |
10189819 | 5038 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5039 | double res = REAL(remquo)(x, y, quo); |
5040 | if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo)); | |
5041 | return res; | |
5042 | } | |
5043 | INTERCEPTOR(float, remquof, float x, float y, int *quo) { | |
5044 | void *ctx; | |
5045 | COMMON_INTERCEPTOR_ENTER(ctx, remquof, x, y, quo); | |
866e32ad KS |
5046 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5047 | // its metadata. See | |
10189819 | 5048 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5049 | float res = REAL(remquof)(x, y, quo); |
5050 | if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo)); | |
5051 | return res; | |
5052 | } | |
b667dd70 ML |
5053 | #define INIT_REMQUO \ |
5054 | COMMON_INTERCEPT_FUNCTION(remquo); \ | |
5055 | COMMON_INTERCEPT_FUNCTION(remquof); | |
5056 | #else | |
5057 | #define INIT_REMQUO | |
5058 | #endif | |
5059 | ||
5060 | #if SANITIZER_INTERCEPT_REMQUOL | |
df77f0e4 KS |
5061 | INTERCEPTOR(long double, remquol, long double x, long double y, int *quo) { |
5062 | void *ctx; | |
5063 | COMMON_INTERCEPTOR_ENTER(ctx, remquol, x, y, quo); | |
866e32ad KS |
5064 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5065 | // its metadata. See | |
10189819 | 5066 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5067 | long double res = REAL(remquol)(x, y, quo); |
5068 | if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo)); | |
5069 | return res; | |
5070 | } | |
b667dd70 | 5071 | #define INIT_REMQUOL \ |
10189819 | 5072 | COMMON_INTERCEPT_FUNCTION_LDBL(remquol); |
df77f0e4 | 5073 | #else |
b667dd70 | 5074 | #define INIT_REMQUOL |
df77f0e4 KS |
5075 | #endif |
5076 | ||
5077 | #if SANITIZER_INTERCEPT_LGAMMA | |
5078 | extern int signgam; | |
5079 | INTERCEPTOR(double, lgamma, double x) { | |
5080 | void *ctx; | |
5081 | COMMON_INTERCEPTOR_ENTER(ctx, lgamma, x); | |
5082 | double res = REAL(lgamma)(x); | |
5083 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam)); | |
5084 | return res; | |
5085 | } | |
5086 | INTERCEPTOR(float, lgammaf, float x) { | |
5087 | void *ctx; | |
5088 | COMMON_INTERCEPTOR_ENTER(ctx, lgammaf, x); | |
5089 | float res = REAL(lgammaf)(x); | |
5090 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam)); | |
5091 | return res; | |
5092 | } | |
b667dd70 ML |
5093 | #define INIT_LGAMMA \ |
5094 | COMMON_INTERCEPT_FUNCTION(lgamma); \ | |
5095 | COMMON_INTERCEPT_FUNCTION(lgammaf); | |
5096 | #else | |
5097 | #define INIT_LGAMMA | |
5098 | #endif | |
5099 | ||
5100 | #if SANITIZER_INTERCEPT_LGAMMAL | |
df77f0e4 KS |
5101 | INTERCEPTOR(long double, lgammal, long double x) { |
5102 | void *ctx; | |
5103 | COMMON_INTERCEPTOR_ENTER(ctx, lgammal, x); | |
5104 | long double res = REAL(lgammal)(x); | |
5105 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam)); | |
5106 | return res; | |
5107 | } | |
b667dd70 | 5108 | #define INIT_LGAMMAL \ |
10189819 | 5109 | COMMON_INTERCEPT_FUNCTION_LDBL(lgammal); |
df77f0e4 | 5110 | #else |
b667dd70 | 5111 | #define INIT_LGAMMAL |
df77f0e4 KS |
5112 | #endif |
5113 | ||
5114 | #if SANITIZER_INTERCEPT_LGAMMA_R | |
5115 | INTERCEPTOR(double, lgamma_r, double x, int *signp) { | |
5116 | void *ctx; | |
5117 | COMMON_INTERCEPTOR_ENTER(ctx, lgamma_r, x, signp); | |
866e32ad KS |
5118 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5119 | // its metadata. See | |
10189819 | 5120 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5121 | double res = REAL(lgamma_r)(x, signp); |
5122 | if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp)); | |
5123 | return res; | |
5124 | } | |
5125 | INTERCEPTOR(float, lgammaf_r, float x, int *signp) { | |
5126 | void *ctx; | |
5127 | COMMON_INTERCEPTOR_ENTER(ctx, lgammaf_r, x, signp); | |
866e32ad KS |
5128 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5129 | // its metadata. See | |
10189819 | 5130 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5131 | float res = REAL(lgammaf_r)(x, signp); |
5132 | if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp)); | |
5133 | return res; | |
5134 | } | |
866e32ad KS |
5135 | #define INIT_LGAMMA_R \ |
5136 | COMMON_INTERCEPT_FUNCTION(lgamma_r); \ | |
5137 | COMMON_INTERCEPT_FUNCTION(lgammaf_r); | |
5138 | #else | |
5139 | #define INIT_LGAMMA_R | |
5140 | #endif | |
5141 | ||
5142 | #if SANITIZER_INTERCEPT_LGAMMAL_R | |
df77f0e4 KS |
5143 | INTERCEPTOR(long double, lgammal_r, long double x, int *signp) { |
5144 | void *ctx; | |
5145 | COMMON_INTERCEPTOR_ENTER(ctx, lgammal_r, x, signp); | |
866e32ad KS |
5146 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5147 | // its metadata. See | |
10189819 | 5148 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5149 | long double res = REAL(lgammal_r)(x, signp); |
5150 | if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp)); | |
5151 | return res; | |
5152 | } | |
10189819 | 5153 | #define INIT_LGAMMAL_R COMMON_INTERCEPT_FUNCTION_LDBL(lgammal_r); |
df77f0e4 | 5154 | #else |
866e32ad | 5155 | #define INIT_LGAMMAL_R |
df77f0e4 KS |
5156 | #endif |
5157 | ||
5158 | #if SANITIZER_INTERCEPT_DRAND48_R | |
5159 | INTERCEPTOR(int, drand48_r, void *buffer, double *result) { | |
5160 | void *ctx; | |
5161 | COMMON_INTERCEPTOR_ENTER(ctx, drand48_r, buffer, result); | |
866e32ad KS |
5162 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5163 | // its metadata. See | |
10189819 | 5164 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5165 | int res = REAL(drand48_r)(buffer, result); |
5166 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
5167 | return res; | |
5168 | } | |
5169 | INTERCEPTOR(int, lrand48_r, void *buffer, long *result) { | |
5170 | void *ctx; | |
5171 | COMMON_INTERCEPTOR_ENTER(ctx, lrand48_r, buffer, result); | |
866e32ad KS |
5172 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5173 | // its metadata. See | |
10189819 | 5174 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5175 | int res = REAL(lrand48_r)(buffer, result); |
5176 | if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result)); | |
5177 | return res; | |
5178 | } | |
5179 | #define INIT_DRAND48_R \ | |
5180 | COMMON_INTERCEPT_FUNCTION(drand48_r); \ | |
5181 | COMMON_INTERCEPT_FUNCTION(lrand48_r); | |
5182 | #else | |
5183 | #define INIT_DRAND48_R | |
5184 | #endif | |
5185 | ||
dee5ea7a KS |
5186 | #if SANITIZER_INTERCEPT_RAND_R |
5187 | INTERCEPTOR(int, rand_r, unsigned *seedp) { | |
5188 | void *ctx; | |
5189 | COMMON_INTERCEPTOR_ENTER(ctx, rand_r, seedp); | |
5190 | COMMON_INTERCEPTOR_READ_RANGE(ctx, seedp, sizeof(*seedp)); | |
5191 | return REAL(rand_r)(seedp); | |
5192 | } | |
5193 | #define INIT_RAND_R COMMON_INTERCEPT_FUNCTION(rand_r); | |
5194 | #else | |
5195 | #define INIT_RAND_R | |
5196 | #endif | |
5197 | ||
df77f0e4 KS |
5198 | #if SANITIZER_INTERCEPT_GETLINE |
5199 | INTERCEPTOR(SSIZE_T, getline, char **lineptr, SIZE_T *n, void *stream) { | |
5200 | void *ctx; | |
5201 | COMMON_INTERCEPTOR_ENTER(ctx, getline, lineptr, n, stream); | |
866e32ad KS |
5202 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5203 | // its metadata. See | |
10189819 | 5204 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5205 | SSIZE_T res = REAL(getline)(lineptr, n, stream); |
5206 | if (res > 0) { | |
5207 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineptr, sizeof(*lineptr)); | |
5208 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n)); | |
5209 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *lineptr, res + 1); | |
5210 | } | |
5211 | return res; | |
5212 | } | |
696d846a MO |
5213 | |
5214 | // FIXME: under ASan the call below may write to freed memory and corrupt its | |
5215 | // metadata. See | |
10189819 | 5216 | // https://github.com/google/sanitizers/issues/321. |
696d846a MO |
5217 | #define GETDELIM_INTERCEPTOR_IMPL(vname) \ |
5218 | { \ | |
5219 | void *ctx; \ | |
5220 | COMMON_INTERCEPTOR_ENTER(ctx, vname, lineptr, n, delim, stream); \ | |
5221 | SSIZE_T res = REAL(vname)(lineptr, n, delim, stream); \ | |
5222 | if (res > 0) { \ | |
5223 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineptr, sizeof(*lineptr)); \ | |
5224 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n)); \ | |
5225 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *lineptr, res + 1); \ | |
5226 | } \ | |
5227 | return res; \ | |
df77f0e4 | 5228 | } |
696d846a MO |
5229 | |
5230 | INTERCEPTOR(SSIZE_T, __getdelim, char **lineptr, SIZE_T *n, int delim, | |
5231 | void *stream) | |
5232 | GETDELIM_INTERCEPTOR_IMPL(__getdelim) | |
5233 | ||
5234 | // There's no __getdelim() on FreeBSD so we supply the getdelim() interceptor | |
5235 | // with its own body. | |
866e32ad | 5236 | INTERCEPTOR(SSIZE_T, getdelim, char **lineptr, SIZE_T *n, int delim, |
696d846a MO |
5237 | void *stream) |
5238 | GETDELIM_INTERCEPTOR_IMPL(getdelim) | |
5239 | ||
866e32ad KS |
5240 | #define INIT_GETLINE \ |
5241 | COMMON_INTERCEPT_FUNCTION(getline); \ | |
5242 | COMMON_INTERCEPT_FUNCTION(__getdelim); \ | |
df77f0e4 KS |
5243 | COMMON_INTERCEPT_FUNCTION(getdelim); |
5244 | #else | |
5245 | #define INIT_GETLINE | |
5246 | #endif | |
5247 | ||
5248 | #if SANITIZER_INTERCEPT_ICONV | |
5249 | INTERCEPTOR(SIZE_T, iconv, void *cd, char **inbuf, SIZE_T *inbytesleft, | |
5250 | char **outbuf, SIZE_T *outbytesleft) { | |
5251 | void *ctx; | |
5252 | COMMON_INTERCEPTOR_ENTER(ctx, iconv, cd, inbuf, inbytesleft, outbuf, | |
5253 | outbytesleft); | |
5254 | if (inbytesleft) | |
5255 | COMMON_INTERCEPTOR_READ_RANGE(ctx, inbytesleft, sizeof(*inbytesleft)); | |
5256 | if (inbuf && inbytesleft) | |
5257 | COMMON_INTERCEPTOR_READ_RANGE(ctx, *inbuf, *inbytesleft); | |
5258 | if (outbytesleft) | |
5259 | COMMON_INTERCEPTOR_READ_RANGE(ctx, outbytesleft, sizeof(*outbytesleft)); | |
696d846a | 5260 | void *outbuf_orig = outbuf ? *outbuf : nullptr; |
866e32ad KS |
5261 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5262 | // its metadata. See | |
10189819 | 5263 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 | 5264 | SIZE_T res = REAL(iconv)(cd, inbuf, inbytesleft, outbuf, outbytesleft); |
5d3805fc | 5265 | if (outbuf && *outbuf > outbuf_orig) { |
df77f0e4 KS |
5266 | SIZE_T sz = (char *)*outbuf - (char *)outbuf_orig; |
5267 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, outbuf_orig, sz); | |
5268 | } | |
5269 | return res; | |
5270 | } | |
5271 | #define INIT_ICONV COMMON_INTERCEPT_FUNCTION(iconv); | |
5272 | #else | |
5273 | #define INIT_ICONV | |
5274 | #endif | |
5275 | ||
5276 | #if SANITIZER_INTERCEPT_TIMES | |
5277 | INTERCEPTOR(__sanitizer_clock_t, times, void *tms) { | |
5278 | void *ctx; | |
5279 | COMMON_INTERCEPTOR_ENTER(ctx, times, tms); | |
866e32ad KS |
5280 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5281 | // its metadata. See | |
10189819 | 5282 | // https://github.com/google/sanitizers/issues/321. |
df77f0e4 KS |
5283 | __sanitizer_clock_t res = REAL(times)(tms); |
5284 | if (res != (__sanitizer_clock_t)-1 && tms) | |
5285 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tms, struct_tms_sz); | |
5286 | return res; | |
5287 | } | |
5288 | #define INIT_TIMES COMMON_INTERCEPT_FUNCTION(times); | |
5289 | #else | |
5290 | #define INIT_TIMES | |
5291 | #endif | |
5292 | ||
90e46074 L |
5293 | #if SANITIZER_S390 && \ |
5294 | (SANITIZER_INTERCEPT_TLS_GET_ADDR || SANITIZER_INTERCEPT_TLS_GET_OFFSET) | |
5295 | extern "C" uptr __tls_get_offset_wrapper(void *arg, uptr (*fn)(void *arg)); | |
5296 | DEFINE_REAL(uptr, __tls_get_offset, void *arg) | |
5297 | #endif | |
5298 | ||
dee5ea7a | 5299 | #if SANITIZER_INTERCEPT_TLS_GET_ADDR |
10189819 | 5300 | #if !SANITIZER_S390 |
dee5ea7a | 5301 | #define INIT_TLS_GET_ADDR COMMON_INTERCEPT_FUNCTION(__tls_get_addr) |
696d846a MO |
5302 | // If you see any crashes around this functions, there are 2 known issues with |
5303 | // it: 1. __tls_get_addr can be called with mis-aligned stack due to: | |
5304 | // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58066 | |
5305 | // 2. It can be called recursively if sanitizer code uses __tls_get_addr | |
5306 | // to access thread local variables (it should not happen normally, | |
5307 | // because sanitizers use initial-exec tls model). | |
dee5ea7a KS |
5308 | INTERCEPTOR(void *, __tls_get_addr, void *arg) { |
5309 | void *ctx; | |
5310 | COMMON_INTERCEPTOR_ENTER(ctx, __tls_get_addr, arg); | |
5311 | void *res = REAL(__tls_get_addr)(arg); | |
696d846a MO |
5312 | uptr tls_begin, tls_end; |
5313 | COMMON_INTERCEPTOR_GET_TLS_RANGE(&tls_begin, &tls_end); | |
5314 | DTLS::DTV *dtv = DTLS_on_tls_get_addr(arg, res, tls_begin, tls_end); | |
866e32ad KS |
5315 | if (dtv) { |
5316 | // New DTLS block has been allocated. | |
5317 | COMMON_INTERCEPTOR_INITIALIZE_RANGE((void *)dtv->beg, dtv->size); | |
5318 | } | |
dee5ea7a KS |
5319 | return res; |
5320 | } | |
10189819 MO |
5321 | #if SANITIZER_PPC |
5322 | // On PowerPC, we also need to intercept __tls_get_addr_opt, which has | |
5323 | // mostly the same semantics as __tls_get_addr, but its presence enables | |
5324 | // some optimizations in linker (which are safe to ignore here). | |
5325 | extern "C" __attribute__((alias("__interceptor___tls_get_addr"), | |
5326 | visibility("default"))) | |
5327 | void *__tls_get_addr_opt(void *arg); | |
5328 | #endif | |
5329 | #else // SANITIZER_S390 | |
5330 | // On s390, we have to intercept two functions here: | |
5331 | // - __tls_get_addr_internal, which is a glibc-internal function that is like | |
5332 | // the usual __tls_get_addr, but returns a TP-relative offset instead of | |
5333 | // a proper pointer. It is used by dlsym for TLS symbols. | |
5334 | // - __tls_get_offset, which is like the above, but also takes a GOT-relative | |
5335 | // descriptor offset as an argument instead of a pointer. GOT address | |
5336 | // is passed in r12, so it's necessary to write it in assembly. This is | |
5337 | // the function used by the compiler. | |
1509524b | 5338 | #define INIT_TLS_GET_ADDR COMMON_INTERCEPT_FUNCTION(__tls_get_offset) |
10189819 MO |
5339 | INTERCEPTOR(uptr, __tls_get_addr_internal, void *arg) { |
5340 | void *ctx; | |
5341 | COMMON_INTERCEPTOR_ENTER(ctx, __tls_get_addr_internal, arg); | |
1509524b | 5342 | uptr res = __tls_get_offset_wrapper(arg, REAL(__tls_get_offset)); |
10189819 MO |
5343 | uptr tp = reinterpret_cast<uptr>(__builtin_thread_pointer()); |
5344 | void *ptr = reinterpret_cast<void *>(res + tp); | |
5345 | uptr tls_begin, tls_end; | |
5346 | COMMON_INTERCEPTOR_GET_TLS_RANGE(&tls_begin, &tls_end); | |
5347 | DTLS::DTV *dtv = DTLS_on_tls_get_addr(arg, ptr, tls_begin, tls_end); | |
5348 | if (dtv) { | |
5349 | // New DTLS block has been allocated. | |
5350 | COMMON_INTERCEPTOR_INITIALIZE_RANGE((void *)dtv->beg, dtv->size); | |
5351 | } | |
5352 | return res; | |
5353 | } | |
90e46074 L |
5354 | #endif // SANITIZER_S390 |
5355 | #else | |
5356 | #define INIT_TLS_GET_ADDR | |
5357 | #endif | |
5358 | ||
5359 | #if SANITIZER_S390 && \ | |
5360 | (SANITIZER_INTERCEPT_TLS_GET_ADDR || SANITIZER_INTERCEPT_TLS_GET_OFFSET) | |
5361 | extern "C" uptr __tls_get_offset(void *arg); | |
5362 | extern "C" uptr __interceptor___tls_get_offset(void *arg); | |
1509524b | 5363 | // We need a hidden symbol aliasing the above, so that we can jump |
10189819 MO |
5364 | // directly to it from the assembly below. |
5365 | extern "C" __attribute__((alias("__interceptor___tls_get_addr_internal"), | |
1509524b JJ |
5366 | visibility("hidden"))) |
5367 | uptr __tls_get_addr_hidden(void *arg); | |
10189819 MO |
5368 | // Now carefully intercept __tls_get_offset. |
5369 | asm( | |
5370 | ".text\n" | |
10189819 MO |
5371 | // The __intercept_ version has to exist, so that gen_dynamic_list.py |
5372 | // exports our symbol. | |
1509524b JJ |
5373 | ".weak __tls_get_offset\n" |
5374 | ".type __tls_get_offset, @function\n" | |
5375 | "__tls_get_offset:\n" | |
10189819 | 5376 | ".global __interceptor___tls_get_offset\n" |
1509524b | 5377 | ".type __interceptor___tls_get_offset, @function\n" |
10189819 MO |
5378 | "__interceptor___tls_get_offset:\n" |
5379 | #ifdef __s390x__ | |
5380 | "la %r2, 0(%r2,%r12)\n" | |
1509524b | 5381 | "jg __tls_get_addr_hidden\n" |
10189819 MO |
5382 | #else |
5383 | "basr %r3,0\n" | |
5384 | "0: la %r2,0(%r2,%r12)\n" | |
5385 | "l %r4,1f-0b(%r3)\n" | |
5386 | "b 0(%r4,%r3)\n" | |
1509524b | 5387 | "1: .long __tls_get_addr_hidden - 0b\n" |
10189819 | 5388 | #endif |
1509524b JJ |
5389 | ".size __interceptor___tls_get_offset, .-__interceptor___tls_get_offset\n" |
5390 | // Assembly wrapper to call REAL(__tls_get_offset)(arg) | |
5391 | ".type __tls_get_offset_wrapper, @function\n" | |
5392 | "__tls_get_offset_wrapper:\n" | |
5393 | #ifdef __s390x__ | |
5394 | "sgr %r2,%r12\n" | |
5395 | #else | |
5396 | "sr %r2,%r12\n" | |
5397 | #endif | |
5398 | "br %r3\n" | |
5399 | ".size __tls_get_offset_wrapper, .-__tls_get_offset_wrapper\n" | |
10189819 | 5400 | ); |
dee5ea7a KS |
5401 | #endif |
5402 | ||
5403 | #if SANITIZER_INTERCEPT_LISTXATTR | |
5404 | INTERCEPTOR(SSIZE_T, listxattr, const char *path, char *list, SIZE_T size) { | |
5405 | void *ctx; | |
5406 | COMMON_INTERCEPTOR_ENTER(ctx, listxattr, path, list, size); | |
5407 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
866e32ad KS |
5408 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5409 | // its metadata. See | |
10189819 | 5410 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5411 | SSIZE_T res = REAL(listxattr)(path, list, size); |
5412 | // Here and below, size == 0 is a special case where nothing is written to the | |
5413 | // buffer, and res contains the desired buffer size. | |
5414 | if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res); | |
5415 | return res; | |
5416 | } | |
5417 | INTERCEPTOR(SSIZE_T, llistxattr, const char *path, char *list, SIZE_T size) { | |
5418 | void *ctx; | |
5419 | COMMON_INTERCEPTOR_ENTER(ctx, llistxattr, path, list, size); | |
5420 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
866e32ad KS |
5421 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5422 | // its metadata. See | |
10189819 | 5423 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5424 | SSIZE_T res = REAL(llistxattr)(path, list, size); |
5425 | if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res); | |
5426 | return res; | |
5427 | } | |
5428 | INTERCEPTOR(SSIZE_T, flistxattr, int fd, char *list, SIZE_T size) { | |
5429 | void *ctx; | |
5430 | COMMON_INTERCEPTOR_ENTER(ctx, flistxattr, fd, list, size); | |
866e32ad KS |
5431 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5432 | // its metadata. See | |
10189819 | 5433 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5434 | SSIZE_T res = REAL(flistxattr)(fd, list, size); |
5435 | if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res); | |
5436 | return res; | |
5437 | } | |
5438 | #define INIT_LISTXATTR \ | |
5439 | COMMON_INTERCEPT_FUNCTION(listxattr); \ | |
5440 | COMMON_INTERCEPT_FUNCTION(llistxattr); \ | |
5441 | COMMON_INTERCEPT_FUNCTION(flistxattr); | |
5442 | #else | |
5443 | #define INIT_LISTXATTR | |
5444 | #endif | |
5445 | ||
5446 | #if SANITIZER_INTERCEPT_GETXATTR | |
5447 | INTERCEPTOR(SSIZE_T, getxattr, const char *path, const char *name, char *value, | |
5448 | SIZE_T size) { | |
5449 | void *ctx; | |
5450 | COMMON_INTERCEPTOR_ENTER(ctx, getxattr, path, name, value, size); | |
5451 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
5452 | if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
866e32ad KS |
5453 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5454 | // its metadata. See | |
10189819 | 5455 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5456 | SSIZE_T res = REAL(getxattr)(path, name, value, size); |
5457 | if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res); | |
5458 | return res; | |
5459 | } | |
5460 | INTERCEPTOR(SSIZE_T, lgetxattr, const char *path, const char *name, char *value, | |
5461 | SIZE_T size) { | |
5462 | void *ctx; | |
5463 | COMMON_INTERCEPTOR_ENTER(ctx, lgetxattr, path, name, value, size); | |
5464 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
5465 | if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
866e32ad KS |
5466 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5467 | // its metadata. See | |
10189819 | 5468 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5469 | SSIZE_T res = REAL(lgetxattr)(path, name, value, size); |
5470 | if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res); | |
5471 | return res; | |
5472 | } | |
5473 | INTERCEPTOR(SSIZE_T, fgetxattr, int fd, const char *name, char *value, | |
5474 | SIZE_T size) { | |
5475 | void *ctx; | |
5476 | COMMON_INTERCEPTOR_ENTER(ctx, fgetxattr, fd, name, value, size); | |
5477 | if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
866e32ad KS |
5478 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5479 | // its metadata. See | |
10189819 | 5480 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5481 | SSIZE_T res = REAL(fgetxattr)(fd, name, value, size); |
5482 | if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res); | |
5483 | return res; | |
5484 | } | |
5485 | #define INIT_GETXATTR \ | |
5486 | COMMON_INTERCEPT_FUNCTION(getxattr); \ | |
5487 | COMMON_INTERCEPT_FUNCTION(lgetxattr); \ | |
5488 | COMMON_INTERCEPT_FUNCTION(fgetxattr); | |
5489 | #else | |
5490 | #define INIT_GETXATTR | |
5491 | #endif | |
5492 | ||
5493 | #if SANITIZER_INTERCEPT_GETRESID | |
5494 | INTERCEPTOR(int, getresuid, void *ruid, void *euid, void *suid) { | |
5495 | void *ctx; | |
5496 | COMMON_INTERCEPTOR_ENTER(ctx, getresuid, ruid, euid, suid); | |
866e32ad KS |
5497 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5498 | // its metadata. See | |
10189819 | 5499 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5500 | int res = REAL(getresuid)(ruid, euid, suid); |
5501 | if (res >= 0) { | |
5502 | if (ruid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ruid, uid_t_sz); | |
5503 | if (euid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, euid, uid_t_sz); | |
5504 | if (suid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, suid, uid_t_sz); | |
5505 | } | |
5506 | return res; | |
5507 | } | |
5508 | INTERCEPTOR(int, getresgid, void *rgid, void *egid, void *sgid) { | |
5509 | void *ctx; | |
5510 | COMMON_INTERCEPTOR_ENTER(ctx, getresgid, rgid, egid, sgid); | |
866e32ad KS |
5511 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5512 | // its metadata. See | |
10189819 | 5513 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5514 | int res = REAL(getresgid)(rgid, egid, sgid); |
5515 | if (res >= 0) { | |
5516 | if (rgid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rgid, gid_t_sz); | |
5517 | if (egid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, egid, gid_t_sz); | |
5518 | if (sgid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sgid, gid_t_sz); | |
5519 | } | |
5520 | return res; | |
5521 | } | |
5522 | #define INIT_GETRESID \ | |
5523 | COMMON_INTERCEPT_FUNCTION(getresuid); \ | |
5524 | COMMON_INTERCEPT_FUNCTION(getresgid); | |
5525 | #else | |
5526 | #define INIT_GETRESID | |
5527 | #endif | |
5528 | ||
5529 | #if SANITIZER_INTERCEPT_GETIFADDRS | |
5530 | // As long as getifaddrs()/freeifaddrs() use calloc()/free(), we don't need to | |
5531 | // intercept freeifaddrs(). If that ceases to be the case, we might need to | |
5532 | // intercept it to poison the memory again. | |
5533 | INTERCEPTOR(int, getifaddrs, __sanitizer_ifaddrs **ifap) { | |
5534 | void *ctx; | |
5535 | COMMON_INTERCEPTOR_ENTER(ctx, getifaddrs, ifap); | |
866e32ad KS |
5536 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5537 | // its metadata. See | |
10189819 | 5538 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5539 | int res = REAL(getifaddrs)(ifap); |
5540 | if (res == 0 && ifap) { | |
5541 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ifap, sizeof(void *)); | |
5542 | __sanitizer_ifaddrs *p = *ifap; | |
5543 | while (p) { | |
5544 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(__sanitizer_ifaddrs)); | |
5545 | if (p->ifa_name) | |
5546 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_name, | |
5547 | REAL(strlen)(p->ifa_name) + 1); | |
5548 | if (p->ifa_addr) | |
5549 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_addr, struct_sockaddr_sz); | |
5550 | if (p->ifa_netmask) | |
5551 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_netmask, struct_sockaddr_sz); | |
5552 | // On Linux this is a union, but the other member also points to a | |
5553 | // struct sockaddr, so the following is sufficient. | |
5554 | if (p->ifa_dstaddr) | |
5555 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_dstaddr, struct_sockaddr_sz); | |
5556 | // FIXME(smatveev): Unpoison p->ifa_data as well. | |
5557 | p = p->ifa_next; | |
5558 | } | |
5559 | } | |
5560 | return res; | |
5561 | } | |
5562 | #define INIT_GETIFADDRS \ | |
5563 | COMMON_INTERCEPT_FUNCTION(getifaddrs); | |
5564 | #else | |
5565 | #define INIT_GETIFADDRS | |
5566 | #endif | |
5567 | ||
5568 | #if SANITIZER_INTERCEPT_IF_INDEXTONAME | |
5569 | INTERCEPTOR(char *, if_indextoname, unsigned int ifindex, char* ifname) { | |
5570 | void *ctx; | |
5571 | COMMON_INTERCEPTOR_ENTER(ctx, if_indextoname, ifindex, ifname); | |
866e32ad KS |
5572 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5573 | // its metadata. See | |
10189819 | 5574 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5575 | char *res = REAL(if_indextoname)(ifindex, ifname); |
5576 | if (res && ifname) | |
5577 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ifname, REAL(strlen)(ifname) + 1); | |
5578 | return res; | |
5579 | } | |
5580 | INTERCEPTOR(unsigned int, if_nametoindex, const char* ifname) { | |
5581 | void *ctx; | |
5582 | COMMON_INTERCEPTOR_ENTER(ctx, if_nametoindex, ifname); | |
5583 | if (ifname) | |
5584 | COMMON_INTERCEPTOR_READ_RANGE(ctx, ifname, REAL(strlen)(ifname) + 1); | |
5585 | return REAL(if_nametoindex)(ifname); | |
5586 | } | |
5587 | #define INIT_IF_INDEXTONAME \ | |
5588 | COMMON_INTERCEPT_FUNCTION(if_indextoname); \ | |
5589 | COMMON_INTERCEPT_FUNCTION(if_nametoindex); | |
5590 | #else | |
5591 | #define INIT_IF_INDEXTONAME | |
5592 | #endif | |
5593 | ||
5594 | #if SANITIZER_INTERCEPT_CAPGET | |
5595 | INTERCEPTOR(int, capget, void *hdrp, void *datap) { | |
5596 | void *ctx; | |
5597 | COMMON_INTERCEPTOR_ENTER(ctx, capget, hdrp, datap); | |
5598 | if (hdrp) | |
5599 | COMMON_INTERCEPTOR_READ_RANGE(ctx, hdrp, __user_cap_header_struct_sz); | |
866e32ad KS |
5600 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5601 | // its metadata. See | |
10189819 | 5602 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5603 | int res = REAL(capget)(hdrp, datap); |
5604 | if (res == 0 && datap) | |
5605 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, datap, __user_cap_data_struct_sz); | |
5606 | // We can also return -1 and write to hdrp->version if the version passed in | |
5607 | // hdrp->version is unsupported. But that's not a trivial condition to check, | |
5608 | // and anyway COMMON_INTERCEPTOR_READ_RANGE protects us to some extent. | |
5609 | return res; | |
5610 | } | |
5611 | INTERCEPTOR(int, capset, void *hdrp, const void *datap) { | |
5612 | void *ctx; | |
5613 | COMMON_INTERCEPTOR_ENTER(ctx, capset, hdrp, datap); | |
5614 | if (hdrp) | |
5615 | COMMON_INTERCEPTOR_READ_RANGE(ctx, hdrp, __user_cap_header_struct_sz); | |
5616 | if (datap) | |
5617 | COMMON_INTERCEPTOR_READ_RANGE(ctx, datap, __user_cap_data_struct_sz); | |
5618 | return REAL(capset)(hdrp, datap); | |
5619 | } | |
5620 | #define INIT_CAPGET \ | |
5621 | COMMON_INTERCEPT_FUNCTION(capget); \ | |
5622 | COMMON_INTERCEPT_FUNCTION(capset); | |
5623 | #else | |
5624 | #define INIT_CAPGET | |
5625 | #endif | |
5626 | ||
5627 | #if SANITIZER_INTERCEPT_AEABI_MEM | |
dee5ea7a | 5628 | INTERCEPTOR(void *, __aeabi_memmove, void *to, const void *from, uptr size) { |
5d3805fc JJ |
5629 | void *ctx; |
5630 | COMMON_INTERCEPTOR_MEMMOVE_IMPL(ctx, to, from, size); | |
dee5ea7a | 5631 | } |
5d3805fc | 5632 | |
dee5ea7a | 5633 | INTERCEPTOR(void *, __aeabi_memmove4, void *to, const void *from, uptr size) { |
5d3805fc JJ |
5634 | void *ctx; |
5635 | COMMON_INTERCEPTOR_MEMMOVE_IMPL(ctx, to, from, size); | |
dee5ea7a | 5636 | } |
5d3805fc | 5637 | |
dee5ea7a | 5638 | INTERCEPTOR(void *, __aeabi_memmove8, void *to, const void *from, uptr size) { |
5d3805fc JJ |
5639 | void *ctx; |
5640 | COMMON_INTERCEPTOR_MEMMOVE_IMPL(ctx, to, from, size); | |
dee5ea7a | 5641 | } |
5d3805fc | 5642 | |
dee5ea7a | 5643 | INTERCEPTOR(void *, __aeabi_memcpy, void *to, const void *from, uptr size) { |
5d3805fc JJ |
5644 | void *ctx; |
5645 | COMMON_INTERCEPTOR_MEMCPY_IMPL(ctx, to, from, size); | |
dee5ea7a | 5646 | } |
5d3805fc | 5647 | |
dee5ea7a | 5648 | INTERCEPTOR(void *, __aeabi_memcpy4, void *to, const void *from, uptr size) { |
5d3805fc JJ |
5649 | void *ctx; |
5650 | COMMON_INTERCEPTOR_MEMCPY_IMPL(ctx, to, from, size); | |
dee5ea7a | 5651 | } |
5d3805fc | 5652 | |
dee5ea7a | 5653 | INTERCEPTOR(void *, __aeabi_memcpy8, void *to, const void *from, uptr size) { |
5d3805fc JJ |
5654 | void *ctx; |
5655 | COMMON_INTERCEPTOR_MEMCPY_IMPL(ctx, to, from, size); | |
dee5ea7a | 5656 | } |
5d3805fc | 5657 | |
dee5ea7a KS |
5658 | // Note the argument order. |
5659 | INTERCEPTOR(void *, __aeabi_memset, void *block, uptr size, int c) { | |
5d3805fc JJ |
5660 | void *ctx; |
5661 | COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, block, c, size); | |
dee5ea7a | 5662 | } |
5d3805fc | 5663 | |
dee5ea7a | 5664 | INTERCEPTOR(void *, __aeabi_memset4, void *block, uptr size, int c) { |
5d3805fc JJ |
5665 | void *ctx; |
5666 | COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, block, c, size); | |
dee5ea7a | 5667 | } |
5d3805fc | 5668 | |
dee5ea7a | 5669 | INTERCEPTOR(void *, __aeabi_memset8, void *block, uptr size, int c) { |
5d3805fc JJ |
5670 | void *ctx; |
5671 | COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, block, c, size); | |
dee5ea7a | 5672 | } |
5d3805fc | 5673 | |
dee5ea7a | 5674 | INTERCEPTOR(void *, __aeabi_memclr, void *block, uptr size) { |
5d3805fc JJ |
5675 | void *ctx; |
5676 | COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, block, 0, size); | |
dee5ea7a | 5677 | } |
5d3805fc | 5678 | |
dee5ea7a | 5679 | INTERCEPTOR(void *, __aeabi_memclr4, void *block, uptr size) { |
5d3805fc JJ |
5680 | void *ctx; |
5681 | COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, block, 0, size); | |
dee5ea7a | 5682 | } |
5d3805fc | 5683 | |
dee5ea7a | 5684 | INTERCEPTOR(void *, __aeabi_memclr8, void *block, uptr size) { |
5d3805fc JJ |
5685 | void *ctx; |
5686 | COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, block, 0, size); | |
dee5ea7a | 5687 | } |
5d3805fc | 5688 | |
dee5ea7a KS |
5689 | #define INIT_AEABI_MEM \ |
5690 | COMMON_INTERCEPT_FUNCTION(__aeabi_memmove); \ | |
5691 | COMMON_INTERCEPT_FUNCTION(__aeabi_memmove4); \ | |
5692 | COMMON_INTERCEPT_FUNCTION(__aeabi_memmove8); \ | |
5693 | COMMON_INTERCEPT_FUNCTION(__aeabi_memcpy); \ | |
5694 | COMMON_INTERCEPT_FUNCTION(__aeabi_memcpy4); \ | |
5695 | COMMON_INTERCEPT_FUNCTION(__aeabi_memcpy8); \ | |
5696 | COMMON_INTERCEPT_FUNCTION(__aeabi_memset); \ | |
5697 | COMMON_INTERCEPT_FUNCTION(__aeabi_memset4); \ | |
5698 | COMMON_INTERCEPT_FUNCTION(__aeabi_memset8); \ | |
5699 | COMMON_INTERCEPT_FUNCTION(__aeabi_memclr); \ | |
5700 | COMMON_INTERCEPT_FUNCTION(__aeabi_memclr4); \ | |
5701 | COMMON_INTERCEPT_FUNCTION(__aeabi_memclr8); | |
5702 | #else | |
5703 | #define INIT_AEABI_MEM | |
5704 | #endif // SANITIZER_INTERCEPT_AEABI_MEM | |
5705 | ||
5706 | #if SANITIZER_INTERCEPT___BZERO | |
dee5ea7a | 5707 | INTERCEPTOR(void *, __bzero, void *block, uptr size) { |
5d3805fc JJ |
5708 | void *ctx; |
5709 | COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, block, 0, size); | |
dee5ea7a KS |
5710 | } |
5711 | #define INIT___BZERO COMMON_INTERCEPT_FUNCTION(__bzero); | |
5712 | #else | |
5713 | #define INIT___BZERO | |
5714 | #endif // SANITIZER_INTERCEPT___BZERO | |
5715 | ||
b667dd70 ML |
5716 | #if SANITIZER_INTERCEPT_BZERO |
5717 | INTERCEPTOR(void *, bzero, void *block, uptr size) { | |
5718 | void *ctx; | |
5719 | COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, block, 0, size); | |
5720 | } | |
5721 | #define INIT_BZERO COMMON_INTERCEPT_FUNCTION(bzero); | |
5722 | #else | |
5723 | #define INIT_BZERO | |
5724 | #endif // SANITIZER_INTERCEPT_BZERO | |
5725 | ||
dee5ea7a KS |
5726 | #if SANITIZER_INTERCEPT_FTIME |
5727 | INTERCEPTOR(int, ftime, __sanitizer_timeb *tp) { | |
5728 | void *ctx; | |
5729 | COMMON_INTERCEPTOR_ENTER(ctx, ftime, tp); | |
866e32ad KS |
5730 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5731 | // its metadata. See | |
10189819 | 5732 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5733 | int res = REAL(ftime)(tp); |
5734 | if (tp) | |
5735 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, sizeof(*tp)); | |
5736 | return res; | |
5737 | } | |
5738 | #define INIT_FTIME COMMON_INTERCEPT_FUNCTION(ftime); | |
5739 | #else | |
5740 | #define INIT_FTIME | |
5741 | #endif // SANITIZER_INTERCEPT_FTIME | |
5742 | ||
5743 | #if SANITIZER_INTERCEPT_XDR | |
5744 | INTERCEPTOR(void, xdrmem_create, __sanitizer_XDR *xdrs, uptr addr, | |
5745 | unsigned size, int op) { | |
5746 | void *ctx; | |
5747 | COMMON_INTERCEPTOR_ENTER(ctx, xdrmem_create, xdrs, addr, size, op); | |
866e32ad KS |
5748 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5749 | // its metadata. See | |
10189819 | 5750 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5751 | REAL(xdrmem_create)(xdrs, addr, size, op); |
5752 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, xdrs, sizeof(*xdrs)); | |
5753 | if (op == __sanitizer_XDR_ENCODE) { | |
5754 | // It's not obvious how much data individual xdr_ routines write. | |
5755 | // Simply unpoison the entire target buffer in advance. | |
5756 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (void *)addr, size); | |
5757 | } | |
5758 | } | |
5759 | ||
5760 | INTERCEPTOR(void, xdrstdio_create, __sanitizer_XDR *xdrs, void *file, int op) { | |
5761 | void *ctx; | |
5762 | COMMON_INTERCEPTOR_ENTER(ctx, xdrstdio_create, xdrs, file, op); | |
866e32ad KS |
5763 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5764 | // its metadata. See | |
10189819 | 5765 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5766 | REAL(xdrstdio_create)(xdrs, file, op); |
5767 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, xdrs, sizeof(*xdrs)); | |
5768 | } | |
5769 | ||
866e32ad KS |
5770 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5771 | // its metadata. See | |
10189819 | 5772 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5773 | #define XDR_INTERCEPTOR(F, T) \ |
5774 | INTERCEPTOR(int, F, __sanitizer_XDR *xdrs, T *p) { \ | |
5775 | void *ctx; \ | |
5776 | COMMON_INTERCEPTOR_ENTER(ctx, F, xdrs, p); \ | |
5777 | if (p && xdrs->x_op == __sanitizer_XDR_ENCODE) \ | |
5778 | COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p)); \ | |
5779 | int res = REAL(F)(xdrs, p); \ | |
5780 | if (res && p && xdrs->x_op == __sanitizer_XDR_DECODE) \ | |
5781 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); \ | |
5782 | return res; \ | |
5783 | } | |
5784 | ||
5785 | XDR_INTERCEPTOR(xdr_short, short) | |
5786 | XDR_INTERCEPTOR(xdr_u_short, unsigned short) | |
5787 | XDR_INTERCEPTOR(xdr_int, int) | |
5788 | XDR_INTERCEPTOR(xdr_u_int, unsigned) | |
5789 | XDR_INTERCEPTOR(xdr_long, long) | |
5790 | XDR_INTERCEPTOR(xdr_u_long, unsigned long) | |
5791 | XDR_INTERCEPTOR(xdr_hyper, long long) | |
5792 | XDR_INTERCEPTOR(xdr_u_hyper, unsigned long long) | |
5793 | XDR_INTERCEPTOR(xdr_longlong_t, long long) | |
5794 | XDR_INTERCEPTOR(xdr_u_longlong_t, unsigned long long) | |
5795 | XDR_INTERCEPTOR(xdr_int8_t, u8) | |
5796 | XDR_INTERCEPTOR(xdr_uint8_t, u8) | |
5797 | XDR_INTERCEPTOR(xdr_int16_t, u16) | |
5798 | XDR_INTERCEPTOR(xdr_uint16_t, u16) | |
5799 | XDR_INTERCEPTOR(xdr_int32_t, u32) | |
5800 | XDR_INTERCEPTOR(xdr_uint32_t, u32) | |
5801 | XDR_INTERCEPTOR(xdr_int64_t, u64) | |
5802 | XDR_INTERCEPTOR(xdr_uint64_t, u64) | |
5803 | XDR_INTERCEPTOR(xdr_quad_t, long long) | |
5804 | XDR_INTERCEPTOR(xdr_u_quad_t, unsigned long long) | |
5805 | XDR_INTERCEPTOR(xdr_bool, bool) | |
5806 | XDR_INTERCEPTOR(xdr_enum, int) | |
5807 | XDR_INTERCEPTOR(xdr_char, char) | |
5808 | XDR_INTERCEPTOR(xdr_u_char, unsigned char) | |
5809 | XDR_INTERCEPTOR(xdr_float, float) | |
5810 | XDR_INTERCEPTOR(xdr_double, double) | |
5811 | ||
5812 | // FIXME: intercept xdr_array, opaque, union, vector, reference, pointer, | |
5813 | // wrapstring, sizeof | |
5814 | ||
5815 | INTERCEPTOR(int, xdr_bytes, __sanitizer_XDR *xdrs, char **p, unsigned *sizep, | |
5816 | unsigned maxsize) { | |
5817 | void *ctx; | |
5818 | COMMON_INTERCEPTOR_ENTER(ctx, xdr_bytes, xdrs, p, sizep, maxsize); | |
5819 | if (p && sizep && xdrs->x_op == __sanitizer_XDR_ENCODE) { | |
5820 | COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p)); | |
5821 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sizep, sizeof(*sizep)); | |
5822 | COMMON_INTERCEPTOR_READ_RANGE(ctx, *p, *sizep); | |
5823 | } | |
866e32ad KS |
5824 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5825 | // its metadata. See | |
10189819 | 5826 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5827 | int res = REAL(xdr_bytes)(xdrs, p, sizep, maxsize); |
5828 | if (p && sizep && xdrs->x_op == __sanitizer_XDR_DECODE) { | |
5829 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); | |
5830 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizep, sizeof(*sizep)); | |
5831 | if (res && *p && *sizep) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, *sizep); | |
5832 | } | |
5833 | return res; | |
5834 | } | |
5835 | ||
5836 | INTERCEPTOR(int, xdr_string, __sanitizer_XDR *xdrs, char **p, | |
5837 | unsigned maxsize) { | |
5838 | void *ctx; | |
5839 | COMMON_INTERCEPTOR_ENTER(ctx, xdr_string, xdrs, p, maxsize); | |
5840 | if (p && xdrs->x_op == __sanitizer_XDR_ENCODE) { | |
5841 | COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p)); | |
5842 | COMMON_INTERCEPTOR_READ_RANGE(ctx, *p, REAL(strlen)(*p) + 1); | |
5843 | } | |
866e32ad KS |
5844 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5845 | // its metadata. See | |
10189819 | 5846 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5847 | int res = REAL(xdr_string)(xdrs, p, maxsize); |
5848 | if (p && xdrs->x_op == __sanitizer_XDR_DECODE) { | |
5849 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); | |
5850 | if (res && *p) | |
5851 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, REAL(strlen)(*p) + 1); | |
5852 | } | |
5853 | return res; | |
5854 | } | |
5855 | ||
5856 | #define INIT_XDR \ | |
5857 | COMMON_INTERCEPT_FUNCTION(xdrmem_create); \ | |
5858 | COMMON_INTERCEPT_FUNCTION(xdrstdio_create); \ | |
5859 | COMMON_INTERCEPT_FUNCTION(xdr_short); \ | |
5860 | COMMON_INTERCEPT_FUNCTION(xdr_u_short); \ | |
5861 | COMMON_INTERCEPT_FUNCTION(xdr_int); \ | |
5862 | COMMON_INTERCEPT_FUNCTION(xdr_u_int); \ | |
5863 | COMMON_INTERCEPT_FUNCTION(xdr_long); \ | |
5864 | COMMON_INTERCEPT_FUNCTION(xdr_u_long); \ | |
5865 | COMMON_INTERCEPT_FUNCTION(xdr_hyper); \ | |
5866 | COMMON_INTERCEPT_FUNCTION(xdr_u_hyper); \ | |
5867 | COMMON_INTERCEPT_FUNCTION(xdr_longlong_t); \ | |
5868 | COMMON_INTERCEPT_FUNCTION(xdr_u_longlong_t); \ | |
5869 | COMMON_INTERCEPT_FUNCTION(xdr_int8_t); \ | |
5870 | COMMON_INTERCEPT_FUNCTION(xdr_uint8_t); \ | |
5871 | COMMON_INTERCEPT_FUNCTION(xdr_int16_t); \ | |
5872 | COMMON_INTERCEPT_FUNCTION(xdr_uint16_t); \ | |
5873 | COMMON_INTERCEPT_FUNCTION(xdr_int32_t); \ | |
5874 | COMMON_INTERCEPT_FUNCTION(xdr_uint32_t); \ | |
5875 | COMMON_INTERCEPT_FUNCTION(xdr_int64_t); \ | |
5876 | COMMON_INTERCEPT_FUNCTION(xdr_uint64_t); \ | |
5877 | COMMON_INTERCEPT_FUNCTION(xdr_quad_t); \ | |
5878 | COMMON_INTERCEPT_FUNCTION(xdr_u_quad_t); \ | |
5879 | COMMON_INTERCEPT_FUNCTION(xdr_bool); \ | |
5880 | COMMON_INTERCEPT_FUNCTION(xdr_enum); \ | |
5881 | COMMON_INTERCEPT_FUNCTION(xdr_char); \ | |
5882 | COMMON_INTERCEPT_FUNCTION(xdr_u_char); \ | |
5883 | COMMON_INTERCEPT_FUNCTION(xdr_float); \ | |
5884 | COMMON_INTERCEPT_FUNCTION(xdr_double); \ | |
5885 | COMMON_INTERCEPT_FUNCTION(xdr_bytes); \ | |
5886 | COMMON_INTERCEPT_FUNCTION(xdr_string); | |
5887 | #else | |
5888 | #define INIT_XDR | |
5889 | #endif // SANITIZER_INTERCEPT_XDR | |
5890 | ||
0b997f6e ML |
5891 | #if SANITIZER_INTERCEPT_XDRREC |
5892 | typedef int (*xdrrec_cb)(char*, char*, int); | |
5893 | struct XdrRecWrapper { | |
5894 | char *handle; | |
5895 | xdrrec_cb rd, wr; | |
5896 | }; | |
5897 | typedef AddrHashMap<XdrRecWrapper *, 11> XdrRecWrapMap; | |
5898 | static XdrRecWrapMap *xdrrec_wrap_map; | |
5899 | ||
5900 | static int xdrrec_wr_wrap(char *handle, char *buf, int count) { | |
5901 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
5902 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(buf, count); | |
5903 | XdrRecWrapper *wrap = (XdrRecWrapper *)handle; | |
5904 | return wrap->wr(wrap->handle, buf, count); | |
5905 | } | |
5906 | ||
5907 | static int xdrrec_rd_wrap(char *handle, char *buf, int count) { | |
5908 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
5909 | XdrRecWrapper *wrap = (XdrRecWrapper *)handle; | |
5910 | return wrap->rd(wrap->handle, buf, count); | |
5911 | } | |
5912 | ||
5913 | // This doesn't apply to the solaris version as it has a different function | |
5914 | // signature. | |
5915 | INTERCEPTOR(void, xdrrec_create, __sanitizer_XDR *xdr, unsigned sndsize, | |
5916 | unsigned rcvsize, char *handle, int (*rd)(char*, char*, int), | |
5917 | int (*wr)(char*, char*, int)) { | |
5918 | void *ctx; | |
5919 | COMMON_INTERCEPTOR_ENTER(ctx, xdrrec_create, xdr, sndsize, rcvsize, | |
5920 | handle, rd, wr); | |
5921 | COMMON_INTERCEPTOR_READ_RANGE(ctx, &xdr->x_op, sizeof xdr->x_op); | |
5922 | ||
5923 | // We can't allocate a wrapper on the stack, as the handle is used outside | |
5924 | // this stack frame. So we put it on the heap, and keep track of it with | |
5925 | // the HashMap (keyed by x_private). When we later need to xdr_destroy, | |
5926 | // we can index the map, free the wrapper, and then clean the map entry. | |
5927 | XdrRecWrapper *wrap_data = | |
5928 | (XdrRecWrapper *)InternalAlloc(sizeof(XdrRecWrapper)); | |
5929 | wrap_data->handle = handle; | |
5930 | wrap_data->rd = rd; | |
5931 | wrap_data->wr = wr; | |
5932 | if (wr) | |
5933 | wr = xdrrec_wr_wrap; | |
5934 | if (rd) | |
5935 | rd = xdrrec_rd_wrap; | |
5936 | handle = (char *)wrap_data; | |
5937 | ||
5938 | REAL(xdrrec_create)(xdr, sndsize, rcvsize, handle, rd, wr); | |
5939 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, xdr, sizeof *xdr); | |
5940 | ||
5941 | XdrRecWrapMap::Handle wrap(xdrrec_wrap_map, xdr->x_private, false, true); | |
5942 | *wrap = wrap_data; | |
5943 | } | |
5944 | ||
5945 | // We have to intercept this to be able to free wrapper memory; | |
5946 | // otherwise it's not necessary. | |
5947 | INTERCEPTOR(void, xdr_destroy, __sanitizer_XDR *xdr) { | |
5948 | void *ctx; | |
5949 | COMMON_INTERCEPTOR_ENTER(ctx, xdr_destroy, xdr); | |
5950 | ||
5951 | XdrRecWrapMap::Handle wrap(xdrrec_wrap_map, xdr->x_private, true); | |
5952 | InternalFree(*wrap); | |
5953 | REAL(xdr_destroy)(xdr); | |
5954 | } | |
5955 | #define INIT_XDRREC_LINUX \ | |
5956 | static u64 xdrrec_wrap_mem[sizeof(XdrRecWrapMap) / sizeof(u64) + 1]; \ | |
5957 | xdrrec_wrap_map = new ((void *)&xdrrec_wrap_mem) XdrRecWrapMap(); \ | |
5958 | COMMON_INTERCEPT_FUNCTION(xdrrec_create); \ | |
5959 | COMMON_INTERCEPT_FUNCTION(xdr_destroy); | |
5960 | #else | |
5961 | #define INIT_XDRREC_LINUX | |
5962 | #endif | |
5963 | ||
dee5ea7a KS |
5964 | #if SANITIZER_INTERCEPT_TSEARCH |
5965 | INTERCEPTOR(void *, tsearch, void *key, void **rootp, | |
5966 | int (*compar)(const void *, const void *)) { | |
5967 | void *ctx; | |
5968 | COMMON_INTERCEPTOR_ENTER(ctx, tsearch, key, rootp, compar); | |
866e32ad KS |
5969 | // FIXME: under ASan the call below may write to freed memory and corrupt |
5970 | // its metadata. See | |
10189819 | 5971 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
5972 | void *res = REAL(tsearch)(key, rootp, compar); |
5973 | if (res && *(void **)res == key) | |
5974 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, sizeof(void *)); | |
5975 | return res; | |
5976 | } | |
5977 | #define INIT_TSEARCH COMMON_INTERCEPT_FUNCTION(tsearch); | |
5978 | #else | |
5979 | #define INIT_TSEARCH | |
5980 | #endif | |
5981 | ||
5982 | #if SANITIZER_INTERCEPT_LIBIO_INTERNALS || SANITIZER_INTERCEPT_FOPEN || \ | |
5983 | SANITIZER_INTERCEPT_OPEN_MEMSTREAM | |
5984 | void unpoison_file(__sanitizer_FILE *fp) { | |
5985 | #if SANITIZER_HAS_STRUCT_FILE | |
5986 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp, sizeof(*fp)); | |
b667dd70 ML |
5987 | #if SANITIZER_NETBSD |
5988 | if (fp->_bf._base && fp->_bf._size > 0) | |
5989 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp->_bf._base, | |
5990 | fp->_bf._size); | |
5991 | #else | |
dee5ea7a KS |
5992 | if (fp->_IO_read_base && fp->_IO_read_base < fp->_IO_read_end) |
5993 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp->_IO_read_base, | |
5994 | fp->_IO_read_end - fp->_IO_read_base); | |
d0fee87e ML |
5995 | if (fp->_IO_write_base && fp->_IO_write_base < fp->_IO_write_end) |
5996 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp->_IO_write_base, | |
5997 | fp->_IO_write_end - fp->_IO_write_base); | |
b667dd70 | 5998 | #endif |
dee5ea7a KS |
5999 | #endif // SANITIZER_HAS_STRUCT_FILE |
6000 | } | |
6001 | #endif | |
6002 | ||
6003 | #if SANITIZER_INTERCEPT_LIBIO_INTERNALS | |
6004 | // These guys are called when a .c source is built with -O2. | |
6005 | INTERCEPTOR(int, __uflow, __sanitizer_FILE *fp) { | |
6006 | void *ctx; | |
6007 | COMMON_INTERCEPTOR_ENTER(ctx, __uflow, fp); | |
6008 | int res = REAL(__uflow)(fp); | |
6009 | unpoison_file(fp); | |
6010 | return res; | |
6011 | } | |
6012 | INTERCEPTOR(int, __underflow, __sanitizer_FILE *fp) { | |
6013 | void *ctx; | |
6014 | COMMON_INTERCEPTOR_ENTER(ctx, __underflow, fp); | |
6015 | int res = REAL(__underflow)(fp); | |
6016 | unpoison_file(fp); | |
6017 | return res; | |
6018 | } | |
6019 | INTERCEPTOR(int, __overflow, __sanitizer_FILE *fp, int ch) { | |
6020 | void *ctx; | |
6021 | COMMON_INTERCEPTOR_ENTER(ctx, __overflow, fp, ch); | |
6022 | int res = REAL(__overflow)(fp, ch); | |
6023 | unpoison_file(fp); | |
6024 | return res; | |
6025 | } | |
6026 | INTERCEPTOR(int, __wuflow, __sanitizer_FILE *fp) { | |
6027 | void *ctx; | |
6028 | COMMON_INTERCEPTOR_ENTER(ctx, __wuflow, fp); | |
6029 | int res = REAL(__wuflow)(fp); | |
6030 | unpoison_file(fp); | |
6031 | return res; | |
6032 | } | |
6033 | INTERCEPTOR(int, __wunderflow, __sanitizer_FILE *fp) { | |
6034 | void *ctx; | |
6035 | COMMON_INTERCEPTOR_ENTER(ctx, __wunderflow, fp); | |
6036 | int res = REAL(__wunderflow)(fp); | |
6037 | unpoison_file(fp); | |
6038 | return res; | |
6039 | } | |
6040 | INTERCEPTOR(int, __woverflow, __sanitizer_FILE *fp, int ch) { | |
6041 | void *ctx; | |
6042 | COMMON_INTERCEPTOR_ENTER(ctx, __woverflow, fp, ch); | |
6043 | int res = REAL(__woverflow)(fp, ch); | |
6044 | unpoison_file(fp); | |
6045 | return res; | |
6046 | } | |
6047 | #define INIT_LIBIO_INTERNALS \ | |
6048 | COMMON_INTERCEPT_FUNCTION(__uflow); \ | |
6049 | COMMON_INTERCEPT_FUNCTION(__underflow); \ | |
6050 | COMMON_INTERCEPT_FUNCTION(__overflow); \ | |
6051 | COMMON_INTERCEPT_FUNCTION(__wuflow); \ | |
6052 | COMMON_INTERCEPT_FUNCTION(__wunderflow); \ | |
6053 | COMMON_INTERCEPT_FUNCTION(__woverflow); | |
6054 | #else | |
6055 | #define INIT_LIBIO_INTERNALS | |
6056 | #endif | |
6057 | ||
6058 | #if SANITIZER_INTERCEPT_FOPEN | |
6059 | INTERCEPTOR(__sanitizer_FILE *, fopen, const char *path, const char *mode) { | |
6060 | void *ctx; | |
6061 | COMMON_INTERCEPTOR_ENTER(ctx, fopen, path, mode); | |
10189819 | 6062 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); |
dee5ea7a KS |
6063 | COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, REAL(strlen)(mode) + 1); |
6064 | __sanitizer_FILE *res = REAL(fopen)(path, mode); | |
6065 | COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path); | |
6066 | if (res) unpoison_file(res); | |
6067 | return res; | |
6068 | } | |
6069 | INTERCEPTOR(__sanitizer_FILE *, fdopen, int fd, const char *mode) { | |
6070 | void *ctx; | |
6071 | COMMON_INTERCEPTOR_ENTER(ctx, fdopen, fd, mode); | |
6072 | COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, REAL(strlen)(mode) + 1); | |
6073 | __sanitizer_FILE *res = REAL(fdopen)(fd, mode); | |
6074 | if (res) unpoison_file(res); | |
6075 | return res; | |
6076 | } | |
6077 | INTERCEPTOR(__sanitizer_FILE *, freopen, const char *path, const char *mode, | |
6078 | __sanitizer_FILE *fp) { | |
6079 | void *ctx; | |
6080 | COMMON_INTERCEPTOR_ENTER(ctx, freopen, path, mode, fp); | |
696d846a | 6081 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); |
dee5ea7a KS |
6082 | COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, REAL(strlen)(mode) + 1); |
6083 | COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp); | |
6084 | __sanitizer_FILE *res = REAL(freopen)(path, mode, fp); | |
6085 | COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path); | |
6086 | if (res) unpoison_file(res); | |
6087 | return res; | |
6088 | } | |
6089 | #define INIT_FOPEN \ | |
6090 | COMMON_INTERCEPT_FUNCTION(fopen); \ | |
6091 | COMMON_INTERCEPT_FUNCTION(fdopen); \ | |
6092 | COMMON_INTERCEPT_FUNCTION(freopen); | |
6093 | #else | |
6094 | #define INIT_FOPEN | |
6095 | #endif | |
6096 | ||
90e46074 L |
6097 | #if SANITIZER_INTERCEPT_FLOPEN |
6098 | INTERCEPTOR(int, flopen, const char *path, int flags, ...) { | |
6099 | void *ctx; | |
6100 | va_list ap; | |
6101 | va_start(ap, flags); | |
6102 | u16 mode = static_cast<u16>(va_arg(ap, u32)); | |
6103 | va_end(ap); | |
6104 | COMMON_INTERCEPTOR_ENTER(ctx, flopen, path, flags, mode); | |
6105 | if (path) { | |
6106 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
6107 | } | |
6108 | return REAL(flopen)(path, flags, mode); | |
6109 | } | |
6110 | ||
6111 | INTERCEPTOR(int, flopenat, int dirfd, const char *path, int flags, ...) { | |
6112 | void *ctx; | |
6113 | va_list ap; | |
6114 | va_start(ap, flags); | |
6115 | u16 mode = static_cast<u16>(va_arg(ap, u32)); | |
6116 | va_end(ap); | |
6117 | COMMON_INTERCEPTOR_ENTER(ctx, flopen, path, flags, mode); | |
6118 | if (path) { | |
6119 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
6120 | } | |
6121 | return REAL(flopenat)(dirfd, path, flags, mode); | |
6122 | } | |
6123 | ||
6124 | #define INIT_FLOPEN \ | |
6125 | COMMON_INTERCEPT_FUNCTION(flopen); \ | |
6126 | COMMON_INTERCEPT_FUNCTION(flopenat); | |
6127 | #else | |
6128 | #define INIT_FLOPEN | |
6129 | #endif | |
6130 | ||
dee5ea7a KS |
6131 | #if SANITIZER_INTERCEPT_FOPEN64 |
6132 | INTERCEPTOR(__sanitizer_FILE *, fopen64, const char *path, const char *mode) { | |
6133 | void *ctx; | |
6134 | COMMON_INTERCEPTOR_ENTER(ctx, fopen64, path, mode); | |
6135 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
6136 | COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, REAL(strlen)(mode) + 1); | |
6137 | __sanitizer_FILE *res = REAL(fopen64)(path, mode); | |
6138 | COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path); | |
6139 | if (res) unpoison_file(res); | |
6140 | return res; | |
6141 | } | |
6142 | INTERCEPTOR(__sanitizer_FILE *, freopen64, const char *path, const char *mode, | |
6143 | __sanitizer_FILE *fp) { | |
6144 | void *ctx; | |
6145 | COMMON_INTERCEPTOR_ENTER(ctx, freopen64, path, mode, fp); | |
696d846a | 6146 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); |
dee5ea7a KS |
6147 | COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, REAL(strlen)(mode) + 1); |
6148 | COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp); | |
6149 | __sanitizer_FILE *res = REAL(freopen64)(path, mode, fp); | |
6150 | COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path); | |
6151 | if (res) unpoison_file(res); | |
6152 | return res; | |
6153 | } | |
6154 | #define INIT_FOPEN64 \ | |
6155 | COMMON_INTERCEPT_FUNCTION(fopen64); \ | |
6156 | COMMON_INTERCEPT_FUNCTION(freopen64); | |
6157 | #else | |
6158 | #define INIT_FOPEN64 | |
6159 | #endif | |
6160 | ||
6161 | #if SANITIZER_INTERCEPT_OPEN_MEMSTREAM | |
6162 | INTERCEPTOR(__sanitizer_FILE *, open_memstream, char **ptr, SIZE_T *sizeloc) { | |
6163 | void *ctx; | |
6164 | COMMON_INTERCEPTOR_ENTER(ctx, open_memstream, ptr, sizeloc); | |
866e32ad KS |
6165 | // FIXME: under ASan the call below may write to freed memory and corrupt |
6166 | // its metadata. See | |
10189819 | 6167 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
6168 | __sanitizer_FILE *res = REAL(open_memstream)(ptr, sizeloc); |
6169 | if (res) { | |
6170 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, sizeof(*ptr)); | |
6171 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizeloc, sizeof(*sizeloc)); | |
6172 | unpoison_file(res); | |
6173 | FileMetadata file = {ptr, sizeloc}; | |
6174 | SetInterceptorMetadata(res, file); | |
6175 | } | |
6176 | return res; | |
6177 | } | |
6178 | INTERCEPTOR(__sanitizer_FILE *, open_wmemstream, wchar_t **ptr, | |
6179 | SIZE_T *sizeloc) { | |
6180 | void *ctx; | |
6181 | COMMON_INTERCEPTOR_ENTER(ctx, open_wmemstream, ptr, sizeloc); | |
6182 | __sanitizer_FILE *res = REAL(open_wmemstream)(ptr, sizeloc); | |
6183 | if (res) { | |
6184 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, sizeof(*ptr)); | |
6185 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizeloc, sizeof(*sizeloc)); | |
6186 | unpoison_file(res); | |
6187 | FileMetadata file = {(char **)ptr, sizeloc}; | |
6188 | SetInterceptorMetadata(res, file); | |
6189 | } | |
6190 | return res; | |
6191 | } | |
6192 | INTERCEPTOR(__sanitizer_FILE *, fmemopen, void *buf, SIZE_T size, | |
6193 | const char *mode) { | |
6194 | void *ctx; | |
6195 | COMMON_INTERCEPTOR_ENTER(ctx, fmemopen, buf, size, mode); | |
866e32ad KS |
6196 | // FIXME: under ASan the call below may write to freed memory and corrupt |
6197 | // its metadata. See | |
10189819 | 6198 | // https://github.com/google/sanitizers/issues/321. |
dee5ea7a KS |
6199 | __sanitizer_FILE *res = REAL(fmemopen)(buf, size, mode); |
6200 | if (res) unpoison_file(res); | |
6201 | return res; | |
6202 | } | |
6203 | #define INIT_OPEN_MEMSTREAM \ | |
6204 | COMMON_INTERCEPT_FUNCTION(open_memstream); \ | |
6205 | COMMON_INTERCEPT_FUNCTION(open_wmemstream); \ | |
6206 | COMMON_INTERCEPT_FUNCTION(fmemopen); | |
6207 | #else | |
6208 | #define INIT_OPEN_MEMSTREAM | |
6209 | #endif | |
6210 | ||
6211 | #if SANITIZER_INTERCEPT_OBSTACK | |
6212 | static void initialize_obstack(__sanitizer_obstack *obstack) { | |
6213 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(obstack, sizeof(*obstack)); | |
6214 | if (obstack->chunk) | |
6215 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(obstack->chunk, | |
6216 | sizeof(*obstack->chunk)); | |
6217 | } | |
6218 | ||
55aea9f5 MO |
6219 | INTERCEPTOR(int, _obstack_begin_1, __sanitizer_obstack *obstack, int sz, |
6220 | int align, void *(*alloc_fn)(uptr arg, uptr sz), | |
dee5ea7a KS |
6221 | void (*free_fn)(uptr arg, void *p)) { |
6222 | void *ctx; | |
6223 | COMMON_INTERCEPTOR_ENTER(ctx, _obstack_begin_1, obstack, sz, align, alloc_fn, | |
6224 | free_fn); | |
6225 | int res = REAL(_obstack_begin_1)(obstack, sz, align, alloc_fn, free_fn); | |
6226 | if (res) initialize_obstack(obstack); | |
6227 | return res; | |
6228 | } | |
55aea9f5 MO |
6229 | INTERCEPTOR(int, _obstack_begin, __sanitizer_obstack *obstack, int sz, |
6230 | int align, void *(*alloc_fn)(uptr sz), void (*free_fn)(void *p)) { | |
dee5ea7a KS |
6231 | void *ctx; |
6232 | COMMON_INTERCEPTOR_ENTER(ctx, _obstack_begin, obstack, sz, align, alloc_fn, | |
6233 | free_fn); | |
6234 | int res = REAL(_obstack_begin)(obstack, sz, align, alloc_fn, free_fn); | |
6235 | if (res) initialize_obstack(obstack); | |
6236 | return res; | |
6237 | } | |
55aea9f5 | 6238 | INTERCEPTOR(void, _obstack_newchunk, __sanitizer_obstack *obstack, int length) { |
dee5ea7a KS |
6239 | void *ctx; |
6240 | COMMON_INTERCEPTOR_ENTER(ctx, _obstack_newchunk, obstack, length); | |
6241 | REAL(_obstack_newchunk)(obstack, length); | |
6242 | if (obstack->chunk) | |
6243 | COMMON_INTERCEPTOR_INITIALIZE_RANGE( | |
6244 | obstack->chunk, obstack->next_free - (char *)obstack->chunk); | |
6245 | } | |
6246 | #define INIT_OBSTACK \ | |
6247 | COMMON_INTERCEPT_FUNCTION(_obstack_begin_1); \ | |
6248 | COMMON_INTERCEPT_FUNCTION(_obstack_begin); \ | |
6249 | COMMON_INTERCEPT_FUNCTION(_obstack_newchunk); | |
6250 | #else | |
6251 | #define INIT_OBSTACK | |
6252 | #endif | |
6253 | ||
6254 | #if SANITIZER_INTERCEPT_FFLUSH | |
6255 | INTERCEPTOR(int, fflush, __sanitizer_FILE *fp) { | |
6256 | void *ctx; | |
6257 | COMMON_INTERCEPTOR_ENTER(ctx, fflush, fp); | |
d0fee87e ML |
6258 | if (fp) |
6259 | unpoison_file(fp); | |
dee5ea7a KS |
6260 | int res = REAL(fflush)(fp); |
6261 | // FIXME: handle fp == NULL | |
6262 | if (fp) { | |
6263 | const FileMetadata *m = GetInterceptorMetadata(fp); | |
6264 | if (m) COMMON_INTERCEPTOR_INITIALIZE_RANGE(*m->addr, *m->size); | |
6265 | } | |
6266 | return res; | |
6267 | } | |
6268 | #define INIT_FFLUSH COMMON_INTERCEPT_FUNCTION(fflush); | |
6269 | #else | |
6270 | #define INIT_FFLUSH | |
6271 | #endif | |
6272 | ||
6273 | #if SANITIZER_INTERCEPT_FCLOSE | |
6274 | INTERCEPTOR(int, fclose, __sanitizer_FILE *fp) { | |
6275 | void *ctx; | |
6276 | COMMON_INTERCEPTOR_ENTER(ctx, fclose, fp); | |
696d846a MO |
6277 | COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp); |
6278 | const FileMetadata *m = GetInterceptorMetadata(fp); | |
d0fee87e ML |
6279 | if (fp) |
6280 | unpoison_file(fp); | |
696d846a MO |
6281 | int res = REAL(fclose)(fp); |
6282 | if (m) { | |
6283 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*m->addr, *m->size); | |
6284 | DeleteInterceptorMetadata(fp); | |
dee5ea7a | 6285 | } |
696d846a | 6286 | return res; |
dee5ea7a KS |
6287 | } |
6288 | #define INIT_FCLOSE COMMON_INTERCEPT_FUNCTION(fclose); | |
6289 | #else | |
6290 | #define INIT_FCLOSE | |
6291 | #endif | |
6292 | ||
866e32ad KS |
6293 | #if SANITIZER_INTERCEPT_DLOPEN_DLCLOSE |
6294 | INTERCEPTOR(void*, dlopen, const char *filename, int flag) { | |
6295 | void *ctx; | |
6296 | COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, dlopen, filename, flag); | |
696d846a MO |
6297 | if (filename) COMMON_INTERCEPTOR_READ_STRING(ctx, filename, 0); |
6298 | COMMON_INTERCEPTOR_ON_DLOPEN(filename, flag); | |
866e32ad | 6299 | void *res = REAL(dlopen)(filename, flag); |
5d3805fc | 6300 | Symbolizer::GetOrInit()->InvalidateModuleList(); |
866e32ad KS |
6301 | COMMON_INTERCEPTOR_LIBRARY_LOADED(filename, res); |
6302 | return res; | |
6303 | } | |
6304 | ||
6305 | INTERCEPTOR(int, dlclose, void *handle) { | |
6306 | void *ctx; | |
6307 | COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, dlclose, handle); | |
6308 | int res = REAL(dlclose)(handle); | |
5d3805fc | 6309 | Symbolizer::GetOrInit()->InvalidateModuleList(); |
866e32ad KS |
6310 | COMMON_INTERCEPTOR_LIBRARY_UNLOADED(); |
6311 | return res; | |
6312 | } | |
6313 | #define INIT_DLOPEN_DLCLOSE \ | |
6314 | COMMON_INTERCEPT_FUNCTION(dlopen); \ | |
6315 | COMMON_INTERCEPT_FUNCTION(dlclose); | |
6316 | #else | |
6317 | #define INIT_DLOPEN_DLCLOSE | |
6318 | #endif | |
6319 | ||
6320 | #if SANITIZER_INTERCEPT_GETPASS | |
6321 | INTERCEPTOR(char *, getpass, const char *prompt) { | |
6322 | void *ctx; | |
6323 | COMMON_INTERCEPTOR_ENTER(ctx, getpass, prompt); | |
6324 | if (prompt) | |
6325 | COMMON_INTERCEPTOR_READ_RANGE(ctx, prompt, REAL(strlen)(prompt)+1); | |
6326 | char *res = REAL(getpass)(prompt); | |
6327 | if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res)+1); | |
6328 | return res; | |
6329 | } | |
6330 | ||
6331 | #define INIT_GETPASS COMMON_INTERCEPT_FUNCTION(getpass); | |
6332 | #else | |
6333 | #define INIT_GETPASS | |
6334 | #endif | |
6335 | ||
6336 | #if SANITIZER_INTERCEPT_TIMERFD | |
6337 | INTERCEPTOR(int, timerfd_settime, int fd, int flags, void *new_value, | |
6338 | void *old_value) { | |
6339 | void *ctx; | |
6340 | COMMON_INTERCEPTOR_ENTER(ctx, timerfd_settime, fd, flags, new_value, | |
6341 | old_value); | |
6342 | COMMON_INTERCEPTOR_READ_RANGE(ctx, new_value, struct_itimerspec_sz); | |
6343 | int res = REAL(timerfd_settime)(fd, flags, new_value, old_value); | |
6344 | if (res != -1 && old_value) | |
6345 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, old_value, struct_itimerspec_sz); | |
6346 | return res; | |
6347 | } | |
6348 | ||
6349 | INTERCEPTOR(int, timerfd_gettime, int fd, void *curr_value) { | |
6350 | void *ctx; | |
6351 | COMMON_INTERCEPTOR_ENTER(ctx, timerfd_gettime, fd, curr_value); | |
6352 | int res = REAL(timerfd_gettime)(fd, curr_value); | |
6353 | if (res != -1 && curr_value) | |
6354 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, curr_value, struct_itimerspec_sz); | |
6355 | return res; | |
6356 | } | |
6357 | #define INIT_TIMERFD \ | |
6358 | COMMON_INTERCEPT_FUNCTION(timerfd_settime); \ | |
6359 | COMMON_INTERCEPT_FUNCTION(timerfd_gettime); | |
6360 | #else | |
6361 | #define INIT_TIMERFD | |
6362 | #endif | |
6363 | ||
6364 | #if SANITIZER_INTERCEPT_MLOCKX | |
6365 | // Linux kernel has a bug that leads to kernel deadlock if a process | |
6366 | // maps TBs of memory and then calls mlock(). | |
6367 | static void MlockIsUnsupported() { | |
6368 | static atomic_uint8_t printed; | |
6369 | if (atomic_exchange(&printed, 1, memory_order_relaxed)) | |
6370 | return; | |
696d846a | 6371 | VPrintf(1, "%s ignores mlock/mlockall/munlock/munlockall\n", |
866e32ad KS |
6372 | SanitizerToolName); |
6373 | } | |
6374 | ||
6375 | INTERCEPTOR(int, mlock, const void *addr, uptr len) { | |
6376 | MlockIsUnsupported(); | |
6377 | return 0; | |
6378 | } | |
6379 | ||
6380 | INTERCEPTOR(int, munlock, const void *addr, uptr len) { | |
6381 | MlockIsUnsupported(); | |
6382 | return 0; | |
6383 | } | |
6384 | ||
6385 | INTERCEPTOR(int, mlockall, int flags) { | |
6386 | MlockIsUnsupported(); | |
6387 | return 0; | |
6388 | } | |
6389 | ||
6390 | INTERCEPTOR(int, munlockall, void) { | |
6391 | MlockIsUnsupported(); | |
6392 | return 0; | |
6393 | } | |
6394 | ||
6395 | #define INIT_MLOCKX \ | |
6396 | COMMON_INTERCEPT_FUNCTION(mlock); \ | |
6397 | COMMON_INTERCEPT_FUNCTION(munlock); \ | |
6398 | COMMON_INTERCEPT_FUNCTION(mlockall); \ | |
6399 | COMMON_INTERCEPT_FUNCTION(munlockall); | |
6400 | ||
6401 | #else | |
6402 | #define INIT_MLOCKX | |
6403 | #endif // SANITIZER_INTERCEPT_MLOCKX | |
6404 | ||
696d846a MO |
6405 | #if SANITIZER_INTERCEPT_FOPENCOOKIE |
6406 | struct WrappedCookie { | |
6407 | void *real_cookie; | |
6408 | __sanitizer_cookie_io_functions_t real_io_funcs; | |
6409 | }; | |
6410 | ||
6411 | static uptr wrapped_read(void *cookie, char *buf, uptr size) { | |
6412 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
6413 | WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie; | |
6414 | __sanitizer_cookie_io_read real_read = wrapped_cookie->real_io_funcs.read; | |
6415 | return real_read ? real_read(wrapped_cookie->real_cookie, buf, size) : 0; | |
6416 | } | |
6417 | ||
6418 | static uptr wrapped_write(void *cookie, const char *buf, uptr size) { | |
6419 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
6420 | WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie; | |
6421 | __sanitizer_cookie_io_write real_write = wrapped_cookie->real_io_funcs.write; | |
6422 | return real_write ? real_write(wrapped_cookie->real_cookie, buf, size) : size; | |
6423 | } | |
6424 | ||
6425 | static int wrapped_seek(void *cookie, u64 *offset, int whence) { | |
6426 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
6427 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(offset, sizeof(*offset)); | |
6428 | WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie; | |
6429 | __sanitizer_cookie_io_seek real_seek = wrapped_cookie->real_io_funcs.seek; | |
6430 | return real_seek ? real_seek(wrapped_cookie->real_cookie, offset, whence) | |
6431 | : -1; | |
6432 | } | |
6433 | ||
6434 | static int wrapped_close(void *cookie) { | |
6435 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); | |
6436 | WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie; | |
6437 | __sanitizer_cookie_io_close real_close = wrapped_cookie->real_io_funcs.close; | |
6438 | int res = real_close ? real_close(wrapped_cookie->real_cookie) : 0; | |
6439 | InternalFree(wrapped_cookie); | |
6440 | return res; | |
6441 | } | |
6442 | ||
6443 | INTERCEPTOR(__sanitizer_FILE *, fopencookie, void *cookie, const char *mode, | |
6444 | __sanitizer_cookie_io_functions_t io_funcs) { | |
6445 | void *ctx; | |
6446 | COMMON_INTERCEPTOR_ENTER(ctx, fopencookie, cookie, mode, io_funcs); | |
6447 | WrappedCookie *wrapped_cookie = | |
6448 | (WrappedCookie *)InternalAlloc(sizeof(WrappedCookie)); | |
6449 | wrapped_cookie->real_cookie = cookie; | |
6450 | wrapped_cookie->real_io_funcs = io_funcs; | |
6451 | __sanitizer_FILE *res = | |
6452 | REAL(fopencookie)(wrapped_cookie, mode, {wrapped_read, wrapped_write, | |
6453 | wrapped_seek, wrapped_close}); | |
6454 | return res; | |
6455 | } | |
6456 | ||
6457 | #define INIT_FOPENCOOKIE COMMON_INTERCEPT_FUNCTION(fopencookie); | |
6458 | #else | |
6459 | #define INIT_FOPENCOOKIE | |
6460 | #endif // SANITIZER_INTERCEPT_FOPENCOOKIE | |
6461 | ||
6462 | #if SANITIZER_INTERCEPT_SEM | |
6463 | INTERCEPTOR(int, sem_init, __sanitizer_sem_t *s, int pshared, unsigned value) { | |
6464 | void *ctx; | |
6465 | COMMON_INTERCEPTOR_ENTER(ctx, sem_init, s, pshared, value); | |
6466 | // Workaround a bug in glibc's "old" semaphore implementation by | |
6467 | // zero-initializing the sem_t contents. This has to be done here because | |
6468 | // interceptors bind to the lowest symbols version by default, hitting the | |
6469 | // buggy code path while the non-sanitized build of the same code works fine. | |
6470 | REAL(memset)(s, 0, sizeof(*s)); | |
6471 | int res = REAL(sem_init)(s, pshared, value); | |
6472 | return res; | |
6473 | } | |
6474 | ||
6475 | INTERCEPTOR(int, sem_destroy, __sanitizer_sem_t *s) { | |
6476 | void *ctx; | |
6477 | COMMON_INTERCEPTOR_ENTER(ctx, sem_destroy, s); | |
6478 | int res = REAL(sem_destroy)(s); | |
6479 | return res; | |
6480 | } | |
6481 | ||
6482 | INTERCEPTOR(int, sem_wait, __sanitizer_sem_t *s) { | |
6483 | void *ctx; | |
6484 | COMMON_INTERCEPTOR_ENTER(ctx, sem_wait, s); | |
6485 | int res = COMMON_INTERCEPTOR_BLOCK_REAL(sem_wait)(s); | |
6486 | if (res == 0) { | |
6487 | COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s); | |
6488 | } | |
6489 | return res; | |
6490 | } | |
6491 | ||
6492 | INTERCEPTOR(int, sem_trywait, __sanitizer_sem_t *s) { | |
6493 | void *ctx; | |
6494 | COMMON_INTERCEPTOR_ENTER(ctx, sem_trywait, s); | |
90e46074 | 6495 | int res = REAL(sem_trywait)(s); |
696d846a MO |
6496 | if (res == 0) { |
6497 | COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s); | |
6498 | } | |
6499 | return res; | |
6500 | } | |
6501 | ||
6502 | INTERCEPTOR(int, sem_timedwait, __sanitizer_sem_t *s, void *abstime) { | |
6503 | void *ctx; | |
6504 | COMMON_INTERCEPTOR_ENTER(ctx, sem_timedwait, s, abstime); | |
6505 | COMMON_INTERCEPTOR_READ_RANGE(ctx, abstime, struct_timespec_sz); | |
6506 | int res = COMMON_INTERCEPTOR_BLOCK_REAL(sem_timedwait)(s, abstime); | |
6507 | if (res == 0) { | |
6508 | COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s); | |
6509 | } | |
6510 | return res; | |
6511 | } | |
6512 | ||
6513 | INTERCEPTOR(int, sem_post, __sanitizer_sem_t *s) { | |
6514 | void *ctx; | |
6515 | COMMON_INTERCEPTOR_ENTER(ctx, sem_post, s); | |
6516 | COMMON_INTERCEPTOR_RELEASE(ctx, (uptr)s); | |
6517 | int res = REAL(sem_post)(s); | |
6518 | return res; | |
6519 | } | |
6520 | ||
6521 | INTERCEPTOR(int, sem_getvalue, __sanitizer_sem_t *s, int *sval) { | |
6522 | void *ctx; | |
6523 | COMMON_INTERCEPTOR_ENTER(ctx, sem_getvalue, s, sval); | |
6524 | int res = REAL(sem_getvalue)(s, sval); | |
6525 | if (res == 0) { | |
6526 | COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s); | |
6527 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sval, sizeof(*sval)); | |
6528 | } | |
6529 | return res; | |
6530 | } | |
6531 | #define INIT_SEM \ | |
6532 | COMMON_INTERCEPT_FUNCTION(sem_init); \ | |
6533 | COMMON_INTERCEPT_FUNCTION(sem_destroy); \ | |
6534 | COMMON_INTERCEPT_FUNCTION(sem_wait); \ | |
6535 | COMMON_INTERCEPT_FUNCTION(sem_trywait); \ | |
6536 | COMMON_INTERCEPT_FUNCTION(sem_timedwait); \ | |
6537 | COMMON_INTERCEPT_FUNCTION(sem_post); \ | |
6538 | COMMON_INTERCEPT_FUNCTION(sem_getvalue); | |
6539 | #else | |
6540 | #define INIT_SEM | |
6541 | #endif // SANITIZER_INTERCEPT_SEM | |
6542 | ||
6543 | #if SANITIZER_INTERCEPT_PTHREAD_SETCANCEL | |
6544 | INTERCEPTOR(int, pthread_setcancelstate, int state, int *oldstate) { | |
6545 | void *ctx; | |
6546 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_setcancelstate, state, oldstate); | |
6547 | int res = REAL(pthread_setcancelstate)(state, oldstate); | |
eac97531 | 6548 | if (res == 0 && oldstate != nullptr) |
696d846a MO |
6549 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldstate, sizeof(*oldstate)); |
6550 | return res; | |
6551 | } | |
6552 | ||
6553 | INTERCEPTOR(int, pthread_setcanceltype, int type, int *oldtype) { | |
6554 | void *ctx; | |
6555 | COMMON_INTERCEPTOR_ENTER(ctx, pthread_setcanceltype, type, oldtype); | |
6556 | int res = REAL(pthread_setcanceltype)(type, oldtype); | |
eac97531 | 6557 | if (res == 0 && oldtype != nullptr) |
696d846a MO |
6558 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldtype, sizeof(*oldtype)); |
6559 | return res; | |
6560 | } | |
6561 | #define INIT_PTHREAD_SETCANCEL \ | |
6562 | COMMON_INTERCEPT_FUNCTION(pthread_setcancelstate); \ | |
6563 | COMMON_INTERCEPT_FUNCTION(pthread_setcanceltype); | |
6564 | #else | |
6565 | #define INIT_PTHREAD_SETCANCEL | |
6566 | #endif | |
6567 | ||
6568 | #if SANITIZER_INTERCEPT_MINCORE | |
6569 | INTERCEPTOR(int, mincore, void *addr, uptr length, unsigned char *vec) { | |
6570 | void *ctx; | |
6571 | COMMON_INTERCEPTOR_ENTER(ctx, mincore, addr, length, vec); | |
6572 | int res = REAL(mincore)(addr, length, vec); | |
6573 | if (res == 0) { | |
6574 | uptr page_size = GetPageSizeCached(); | |
6575 | uptr vec_size = ((length + page_size - 1) & (~(page_size - 1))) / page_size; | |
6576 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, vec, vec_size); | |
6577 | } | |
6578 | return res; | |
6579 | } | |
6580 | #define INIT_MINCORE COMMON_INTERCEPT_FUNCTION(mincore); | |
6581 | #else | |
6582 | #define INIT_MINCORE | |
6583 | #endif | |
6584 | ||
55aea9f5 MO |
6585 | #if SANITIZER_INTERCEPT_PROCESS_VM_READV |
6586 | INTERCEPTOR(SSIZE_T, process_vm_readv, int pid, __sanitizer_iovec *local_iov, | |
6587 | uptr liovcnt, __sanitizer_iovec *remote_iov, uptr riovcnt, | |
6588 | uptr flags) { | |
6589 | void *ctx; | |
6590 | COMMON_INTERCEPTOR_ENTER(ctx, process_vm_readv, pid, local_iov, liovcnt, | |
6591 | remote_iov, riovcnt, flags); | |
6592 | SSIZE_T res = REAL(process_vm_readv)(pid, local_iov, liovcnt, remote_iov, | |
6593 | riovcnt, flags); | |
6594 | if (res > 0) | |
6595 | write_iovec(ctx, local_iov, liovcnt, res); | |
6596 | return res; | |
6597 | } | |
6598 | ||
6599 | INTERCEPTOR(SSIZE_T, process_vm_writev, int pid, __sanitizer_iovec *local_iov, | |
6600 | uptr liovcnt, __sanitizer_iovec *remote_iov, uptr riovcnt, | |
6601 | uptr flags) { | |
6602 | void *ctx; | |
6603 | COMMON_INTERCEPTOR_ENTER(ctx, process_vm_writev, pid, local_iov, liovcnt, | |
6604 | remote_iov, riovcnt, flags); | |
6605 | SSIZE_T res = REAL(process_vm_writev)(pid, local_iov, liovcnt, remote_iov, | |
6606 | riovcnt, flags); | |
6607 | if (res > 0) | |
6608 | read_iovec(ctx, local_iov, liovcnt, res); | |
6609 | return res; | |
6610 | } | |
6611 | #define INIT_PROCESS_VM_READV \ | |
6612 | COMMON_INTERCEPT_FUNCTION(process_vm_readv); \ | |
6613 | COMMON_INTERCEPT_FUNCTION(process_vm_writev); | |
6614 | #else | |
6615 | #define INIT_PROCESS_VM_READV | |
6616 | #endif | |
6617 | ||
10189819 MO |
6618 | #if SANITIZER_INTERCEPT_CTERMID |
6619 | INTERCEPTOR(char *, ctermid, char *s) { | |
6620 | void *ctx; | |
6621 | COMMON_INTERCEPTOR_ENTER(ctx, ctermid, s); | |
6622 | char *res = REAL(ctermid)(s); | |
6623 | if (res) { | |
6624 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); | |
6625 | } | |
6626 | return res; | |
6627 | } | |
6628 | #define INIT_CTERMID COMMON_INTERCEPT_FUNCTION(ctermid); | |
6629 | #else | |
6630 | #define INIT_CTERMID | |
6631 | #endif | |
6632 | ||
6633 | #if SANITIZER_INTERCEPT_CTERMID_R | |
6634 | INTERCEPTOR(char *, ctermid_r, char *s) { | |
6635 | void *ctx; | |
6636 | COMMON_INTERCEPTOR_ENTER(ctx, ctermid_r, s); | |
6637 | char *res = REAL(ctermid_r)(s); | |
6638 | if (res) { | |
6639 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1); | |
6640 | } | |
6641 | return res; | |
6642 | } | |
6643 | #define INIT_CTERMID_R COMMON_INTERCEPT_FUNCTION(ctermid_r); | |
6644 | #else | |
6645 | #define INIT_CTERMID_R | |
6646 | #endif | |
6647 | ||
6648 | #if SANITIZER_INTERCEPT_RECV_RECVFROM | |
6649 | INTERCEPTOR(SSIZE_T, recv, int fd, void *buf, SIZE_T len, int flags) { | |
6650 | void *ctx; | |
6651 | COMMON_INTERCEPTOR_ENTER(ctx, recv, fd, buf, len, flags); | |
6652 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
6653 | SSIZE_T res = REAL(recv)(fd, buf, len, flags); | |
6654 | if (res > 0) { | |
6655 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, Min((SIZE_T)res, len)); | |
6656 | } | |
6657 | if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
6658 | return res; | |
6659 | } | |
6660 | ||
6661 | INTERCEPTOR(SSIZE_T, recvfrom, int fd, void *buf, SIZE_T len, int flags, | |
6662 | void *srcaddr, int *addrlen) { | |
6663 | void *ctx; | |
6664 | COMMON_INTERCEPTOR_ENTER(ctx, recvfrom, fd, buf, len, flags, srcaddr, | |
6665 | addrlen); | |
6666 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
6667 | SIZE_T srcaddr_sz; | |
6668 | if (srcaddr) srcaddr_sz = *addrlen; | |
6669 | (void)srcaddr_sz; // prevent "set but not used" warning | |
6670 | SSIZE_T res = REAL(recvfrom)(fd, buf, len, flags, srcaddr, addrlen); | |
3c6331c2 | 6671 | if (res > 0) |
10189819 | 6672 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, Min((SIZE_T)res, len)); |
3c6331c2 ML |
6673 | if (res >= 0 && srcaddr) |
6674 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(srcaddr, | |
6675 | Min((SIZE_T)*addrlen, srcaddr_sz)); | |
10189819 MO |
6676 | return res; |
6677 | } | |
6678 | #define INIT_RECV_RECVFROM \ | |
6679 | COMMON_INTERCEPT_FUNCTION(recv); \ | |
6680 | COMMON_INTERCEPT_FUNCTION(recvfrom); | |
6681 | #else | |
6682 | #define INIT_RECV_RECVFROM | |
6683 | #endif | |
6684 | ||
6685 | #if SANITIZER_INTERCEPT_SEND_SENDTO | |
6686 | INTERCEPTOR(SSIZE_T, send, int fd, void *buf, SIZE_T len, int flags) { | |
6687 | void *ctx; | |
6688 | COMMON_INTERCEPTOR_ENTER(ctx, send, fd, buf, len, flags); | |
6689 | if (fd >= 0) { | |
6690 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
6691 | COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
6692 | } | |
6693 | SSIZE_T res = REAL(send)(fd, buf, len, flags); | |
6694 | if (common_flags()->intercept_send && res > 0) | |
6695 | COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, Min((SIZE_T)res, len)); | |
6696 | return res; | |
6697 | } | |
6698 | ||
6699 | INTERCEPTOR(SSIZE_T, sendto, int fd, void *buf, SIZE_T len, int flags, | |
6700 | void *dstaddr, int addrlen) { | |
6701 | void *ctx; | |
6702 | COMMON_INTERCEPTOR_ENTER(ctx, sendto, fd, buf, len, flags, dstaddr, addrlen); | |
6703 | if (fd >= 0) { | |
6704 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
6705 | COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
6706 | } | |
6707 | // Can't check dstaddr as it may have uninitialized padding at the end. | |
6708 | SSIZE_T res = REAL(sendto)(fd, buf, len, flags, dstaddr, addrlen); | |
6709 | if (common_flags()->intercept_send && res > 0) | |
6710 | COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, Min((SIZE_T)res, len)); | |
6711 | return res; | |
6712 | } | |
6713 | #define INIT_SEND_SENDTO \ | |
6714 | COMMON_INTERCEPT_FUNCTION(send); \ | |
6715 | COMMON_INTERCEPT_FUNCTION(sendto); | |
6716 | #else | |
6717 | #define INIT_SEND_SENDTO | |
6718 | #endif | |
6719 | ||
6720 | #if SANITIZER_INTERCEPT_EVENTFD_READ_WRITE | |
6721 | INTERCEPTOR(int, eventfd_read, int fd, u64 *value) { | |
6722 | void *ctx; | |
6723 | COMMON_INTERCEPTOR_ENTER(ctx, eventfd_read, fd, value); | |
6724 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
6725 | int res = REAL(eventfd_read)(fd, value); | |
6726 | if (res == 0) { | |
6727 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, sizeof(*value)); | |
6728 | if (fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
6729 | } | |
6730 | return res; | |
6731 | } | |
6732 | INTERCEPTOR(int, eventfd_write, int fd, u64 value) { | |
6733 | void *ctx; | |
6734 | COMMON_INTERCEPTOR_ENTER(ctx, eventfd_write, fd, value); | |
6735 | if (fd >= 0) { | |
6736 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
6737 | COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd); | |
6738 | } | |
6739 | int res = REAL(eventfd_write)(fd, value); | |
6740 | return res; | |
6741 | } | |
6742 | #define INIT_EVENTFD_READ_WRITE \ | |
6743 | COMMON_INTERCEPT_FUNCTION(eventfd_read); \ | |
6744 | COMMON_INTERCEPT_FUNCTION(eventfd_write) | |
6745 | #else | |
6746 | #define INIT_EVENTFD_READ_WRITE | |
6747 | #endif | |
6748 | ||
6749 | #if SANITIZER_INTERCEPT_STAT | |
6750 | INTERCEPTOR(int, stat, const char *path, void *buf) { | |
6751 | void *ctx; | |
6752 | COMMON_INTERCEPTOR_ENTER(ctx, stat, path, buf); | |
6753 | if (common_flags()->intercept_stat) | |
6754 | COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0); | |
6755 | int res = REAL(stat)(path, buf); | |
6756 | if (!res) | |
6757 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz); | |
6758 | return res; | |
6759 | } | |
6760 | #define INIT_STAT COMMON_INTERCEPT_FUNCTION(stat) | |
6761 | #else | |
6762 | #define INIT_STAT | |
6763 | #endif | |
6764 | ||
eac97531 ML |
6765 | #if SANITIZER_INTERCEPT_LSTAT |
6766 | INTERCEPTOR(int, lstat, const char *path, void *buf) { | |
6767 | void *ctx; | |
6768 | COMMON_INTERCEPTOR_ENTER(ctx, lstat, path, buf); | |
6769 | if (common_flags()->intercept_stat) | |
6770 | COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0); | |
6771 | int res = REAL(lstat)(path, buf); | |
6772 | if (!res) | |
6773 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz); | |
6774 | return res; | |
6775 | } | |
6776 | #define INIT_LSTAT COMMON_INTERCEPT_FUNCTION(lstat) | |
6777 | #else | |
6778 | #define INIT_LSTAT | |
6779 | #endif | |
6780 | ||
10189819 MO |
6781 | #if SANITIZER_INTERCEPT___XSTAT |
6782 | INTERCEPTOR(int, __xstat, int version, const char *path, void *buf) { | |
6783 | void *ctx; | |
6784 | COMMON_INTERCEPTOR_ENTER(ctx, __xstat, version, path, buf); | |
6785 | if (common_flags()->intercept_stat) | |
6786 | COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0); | |
6787 | int res = REAL(__xstat)(version, path, buf); | |
6788 | if (!res) | |
6789 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz); | |
6790 | return res; | |
6791 | } | |
6792 | #define INIT___XSTAT COMMON_INTERCEPT_FUNCTION(__xstat) | |
6793 | #else | |
6794 | #define INIT___XSTAT | |
6795 | #endif | |
6796 | ||
6797 | #if SANITIZER_INTERCEPT___XSTAT64 | |
6798 | INTERCEPTOR(int, __xstat64, int version, const char *path, void *buf) { | |
6799 | void *ctx; | |
6800 | COMMON_INTERCEPTOR_ENTER(ctx, __xstat64, version, path, buf); | |
6801 | if (common_flags()->intercept_stat) | |
6802 | COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0); | |
6803 | int res = REAL(__xstat64)(version, path, buf); | |
6804 | if (!res) | |
6805 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat64_sz); | |
6806 | return res; | |
6807 | } | |
6808 | #define INIT___XSTAT64 COMMON_INTERCEPT_FUNCTION(__xstat64) | |
6809 | #else | |
6810 | #define INIT___XSTAT64 | |
6811 | #endif | |
6812 | ||
6813 | #if SANITIZER_INTERCEPT___LXSTAT | |
6814 | INTERCEPTOR(int, __lxstat, int version, const char *path, void *buf) { | |
6815 | void *ctx; | |
6816 | COMMON_INTERCEPTOR_ENTER(ctx, __lxstat, version, path, buf); | |
6817 | if (common_flags()->intercept_stat) | |
6818 | COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0); | |
6819 | int res = REAL(__lxstat)(version, path, buf); | |
6820 | if (!res) | |
6821 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz); | |
6822 | return res; | |
6823 | } | |
6824 | #define INIT___LXSTAT COMMON_INTERCEPT_FUNCTION(__lxstat) | |
6825 | #else | |
6826 | #define INIT___LXSTAT | |
6827 | #endif | |
6828 | ||
6829 | #if SANITIZER_INTERCEPT___LXSTAT64 | |
6830 | INTERCEPTOR(int, __lxstat64, int version, const char *path, void *buf) { | |
6831 | void *ctx; | |
6832 | COMMON_INTERCEPTOR_ENTER(ctx, __lxstat64, version, path, buf); | |
6833 | if (common_flags()->intercept_stat) | |
6834 | COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0); | |
6835 | int res = REAL(__lxstat64)(version, path, buf); | |
6836 | if (!res) | |
6837 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat64_sz); | |
6838 | return res; | |
6839 | } | |
6840 | #define INIT___LXSTAT64 COMMON_INTERCEPT_FUNCTION(__lxstat64) | |
6841 | #else | |
6842 | #define INIT___LXSTAT64 | |
6843 | #endif | |
6844 | ||
6845 | // FIXME: add other *stat interceptor | |
6846 | ||
5d3805fc JJ |
6847 | #if SANITIZER_INTERCEPT_UTMP |
6848 | INTERCEPTOR(void *, getutent, int dummy) { | |
6849 | void *ctx; | |
6850 | COMMON_INTERCEPTOR_ENTER(ctx, getutent, dummy); | |
6851 | void *res = REAL(getutent)(dummy); | |
6852 | if (res) | |
6853 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmp_sz); | |
6854 | return res; | |
6855 | } | |
6856 | INTERCEPTOR(void *, getutid, void *ut) { | |
6857 | void *ctx; | |
6858 | COMMON_INTERCEPTOR_ENTER(ctx, getutid, ut); | |
6859 | void *res = REAL(getutid)(ut); | |
6860 | if (res) | |
6861 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmp_sz); | |
6862 | return res; | |
6863 | } | |
6864 | INTERCEPTOR(void *, getutline, void *ut) { | |
6865 | void *ctx; | |
6866 | COMMON_INTERCEPTOR_ENTER(ctx, getutline, ut); | |
6867 | void *res = REAL(getutline)(ut); | |
6868 | if (res) | |
6869 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmp_sz); | |
6870 | return res; | |
6871 | } | |
6872 | #define INIT_UTMP \ | |
6873 | COMMON_INTERCEPT_FUNCTION(getutent); \ | |
6874 | COMMON_INTERCEPT_FUNCTION(getutid); \ | |
6875 | COMMON_INTERCEPT_FUNCTION(getutline); | |
6876 | #else | |
6877 | #define INIT_UTMP | |
6878 | #endif | |
6879 | ||
6880 | #if SANITIZER_INTERCEPT_UTMPX | |
6881 | INTERCEPTOR(void *, getutxent, int dummy) { | |
6882 | void *ctx; | |
6883 | COMMON_INTERCEPTOR_ENTER(ctx, getutxent, dummy); | |
6884 | void *res = REAL(getutxent)(dummy); | |
6885 | if (res) | |
6886 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmpx_sz); | |
6887 | return res; | |
6888 | } | |
6889 | INTERCEPTOR(void *, getutxid, void *ut) { | |
6890 | void *ctx; | |
6891 | COMMON_INTERCEPTOR_ENTER(ctx, getutxid, ut); | |
6892 | void *res = REAL(getutxid)(ut); | |
6893 | if (res) | |
6894 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmpx_sz); | |
6895 | return res; | |
6896 | } | |
6897 | INTERCEPTOR(void *, getutxline, void *ut) { | |
6898 | void *ctx; | |
6899 | COMMON_INTERCEPTOR_ENTER(ctx, getutxline, ut); | |
6900 | void *res = REAL(getutxline)(ut); | |
6901 | if (res) | |
6902 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmpx_sz); | |
6903 | return res; | |
6904 | } | |
b667dd70 ML |
6905 | INTERCEPTOR(void *, pututxline, const void *ut) { |
6906 | void *ctx; | |
6907 | COMMON_INTERCEPTOR_ENTER(ctx, pututxline, ut); | |
6908 | if (ut) | |
6909 | COMMON_INTERCEPTOR_READ_RANGE(ctx, ut, __sanitizer::struct_utmpx_sz); | |
6910 | void *res = REAL(pututxline)(ut); | |
6911 | if (res) | |
6912 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, __sanitizer::struct_utmpx_sz); | |
6913 | return res; | |
6914 | } | |
5d3805fc JJ |
6915 | #define INIT_UTMPX \ |
6916 | COMMON_INTERCEPT_FUNCTION(getutxent); \ | |
6917 | COMMON_INTERCEPT_FUNCTION(getutxid); \ | |
b667dd70 ML |
6918 | COMMON_INTERCEPT_FUNCTION(getutxline); \ |
6919 | COMMON_INTERCEPT_FUNCTION(pututxline); | |
5d3805fc JJ |
6920 | #else |
6921 | #define INIT_UTMPX | |
6922 | #endif | |
6923 | ||
6924 | #if SANITIZER_INTERCEPT_GETLOADAVG | |
6925 | INTERCEPTOR(int, getloadavg, double *loadavg, int nelem) { | |
6926 | void *ctx; | |
6927 | COMMON_INTERCEPTOR_ENTER(ctx, getloadavg, loadavg, nelem); | |
6928 | int res = REAL(getloadavg)(loadavg, nelem); | |
6929 | if (res > 0) | |
6930 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, loadavg, res * sizeof(*loadavg)); | |
6931 | return res; | |
6932 | } | |
6933 | #define INIT_GETLOADAVG \ | |
6934 | COMMON_INTERCEPT_FUNCTION(getloadavg); | |
6935 | #else | |
6936 | #define INIT_GETLOADAVG | |
6937 | #endif | |
6938 | ||
6939 | #if SANITIZER_INTERCEPT_MCHECK_MPROBE | |
6940 | INTERCEPTOR(int, mcheck, void (*abortfunc)(int mstatus)) { | |
6941 | return 0; | |
6942 | } | |
6943 | ||
6944 | INTERCEPTOR(int, mcheck_pedantic, void (*abortfunc)(int mstatus)) { | |
6945 | return 0; | |
6946 | } | |
6947 | ||
6948 | INTERCEPTOR(int, mprobe, void *ptr) { | |
6949 | return 0; | |
6950 | } | |
6951 | #endif | |
6952 | ||
6953 | INTERCEPTOR(SIZE_T, wcslen, const wchar_t *s) { | |
6954 | void *ctx; | |
6955 | COMMON_INTERCEPTOR_ENTER(ctx, wcslen, s); | |
6956 | SIZE_T res = REAL(wcslen)(s); | |
6957 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(wchar_t) * (res + 1)); | |
6958 | return res; | |
6959 | } | |
6960 | ||
6961 | INTERCEPTOR(SIZE_T, wcsnlen, const wchar_t *s, SIZE_T n) { | |
6962 | void *ctx; | |
6963 | COMMON_INTERCEPTOR_ENTER(ctx, wcsnlen, s, n); | |
6964 | SIZE_T res = REAL(wcsnlen)(s, n); | |
6965 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(wchar_t) * Min(res + 1, n)); | |
6966 | return res; | |
6967 | } | |
6968 | #define INIT_WCSLEN \ | |
6969 | COMMON_INTERCEPT_FUNCTION(wcslen); \ | |
6970 | COMMON_INTERCEPT_FUNCTION(wcsnlen); | |
6971 | ||
6972 | #if SANITIZER_INTERCEPT_WCSCAT | |
6973 | INTERCEPTOR(wchar_t *, wcscat, wchar_t *dst, const wchar_t *src) { | |
6974 | void *ctx; | |
6975 | COMMON_INTERCEPTOR_ENTER(ctx, wcscat, dst, src); | |
6976 | SIZE_T src_size = REAL(wcslen)(src); | |
6977 | SIZE_T dst_size = REAL(wcslen)(dst); | |
6978 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, (src_size + 1) * sizeof(wchar_t)); | |
6979 | COMMON_INTERCEPTOR_READ_RANGE(ctx, dst, (dst_size + 1) * sizeof(wchar_t)); | |
6980 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst + dst_size, | |
6981 | (src_size + 1) * sizeof(wchar_t)); | |
3ca75cd5 | 6982 | return REAL(wcscat)(dst, src); |
5d3805fc JJ |
6983 | } |
6984 | ||
6985 | INTERCEPTOR(wchar_t *, wcsncat, wchar_t *dst, const wchar_t *src, SIZE_T n) { | |
6986 | void *ctx; | |
6987 | COMMON_INTERCEPTOR_ENTER(ctx, wcsncat, dst, src, n); | |
6988 | SIZE_T src_size = REAL(wcsnlen)(src, n); | |
6989 | SIZE_T dst_size = REAL(wcslen)(dst); | |
6990 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, | |
6991 | Min(src_size + 1, n) * sizeof(wchar_t)); | |
6992 | COMMON_INTERCEPTOR_READ_RANGE(ctx, dst, (dst_size + 1) * sizeof(wchar_t)); | |
6993 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst + dst_size, | |
6994 | (src_size + 1) * sizeof(wchar_t)); | |
3ca75cd5 | 6995 | return REAL(wcsncat)(dst, src, n); |
5d3805fc JJ |
6996 | } |
6997 | #define INIT_WCSCAT \ | |
6998 | COMMON_INTERCEPT_FUNCTION(wcscat); \ | |
6999 | COMMON_INTERCEPT_FUNCTION(wcsncat); | |
7000 | #else | |
7001 | #define INIT_WCSCAT | |
7002 | #endif | |
7003 | ||
b667dd70 ML |
7004 | #if SANITIZER_INTERCEPT_WCSDUP |
7005 | INTERCEPTOR(wchar_t *, wcsdup, wchar_t *s) { | |
7006 | void *ctx; | |
7007 | COMMON_INTERCEPTOR_ENTER(ctx, wcsdup, s); | |
7008 | SIZE_T len = REAL(wcslen)(s); | |
7009 | COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(wchar_t) * (len + 1)); | |
7010 | wchar_t *result = REAL(wcsdup)(s); | |
7011 | if (result) | |
7012 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(wchar_t) * (len + 1)); | |
7013 | return result; | |
7014 | } | |
7015 | ||
7016 | #define INIT_WCSDUP COMMON_INTERCEPT_FUNCTION(wcsdup); | |
7017 | #else | |
7018 | #define INIT_WCSDUP | |
7019 | #endif | |
7020 | ||
eac97531 ML |
7021 | #if SANITIZER_INTERCEPT_STRXFRM |
7022 | static SIZE_T RealStrLen(const char *str) { return REAL(strlen)(str); } | |
7023 | ||
7024 | static SIZE_T RealStrLen(const wchar_t *str) { return REAL(wcslen)(str); } | |
7025 | ||
7026 | #define STRXFRM_INTERCEPTOR_IMPL(strxfrm, dest, src, len, ...) \ | |
7027 | { \ | |
7028 | void *ctx; \ | |
7029 | COMMON_INTERCEPTOR_ENTER(ctx, strxfrm, dest, src, len, ##__VA_ARGS__); \ | |
7030 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, \ | |
7031 | sizeof(*src) * (RealStrLen(src) + 1)); \ | |
7032 | SIZE_T res = REAL(strxfrm)(dest, src, len, ##__VA_ARGS__); \ | |
7033 | if (res < len) \ | |
7034 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, sizeof(*src) * (res + 1)); \ | |
7035 | return res; \ | |
7036 | } | |
7037 | ||
7038 | INTERCEPTOR(SIZE_T, strxfrm, char *dest, const char *src, SIZE_T len) { | |
7039 | STRXFRM_INTERCEPTOR_IMPL(strxfrm, dest, src, len); | |
7040 | } | |
7041 | ||
7042 | INTERCEPTOR(SIZE_T, strxfrm_l, char *dest, const char *src, SIZE_T len, | |
7043 | void *locale) { | |
7044 | STRXFRM_INTERCEPTOR_IMPL(strxfrm_l, dest, src, len, locale); | |
7045 | } | |
7046 | ||
7047 | #define INIT_STRXFRM \ | |
7048 | COMMON_INTERCEPT_FUNCTION(strxfrm); \ | |
7049 | COMMON_INTERCEPT_FUNCTION(strxfrm_l); | |
7050 | #else | |
7051 | #define INIT_STRXFRM | |
7052 | #endif | |
7053 | ||
7054 | #if SANITIZER_INTERCEPT___STRXFRM_L | |
7055 | INTERCEPTOR(SIZE_T, __strxfrm_l, char *dest, const char *src, SIZE_T len, | |
7056 | void *locale) { | |
7057 | STRXFRM_INTERCEPTOR_IMPL(__strxfrm_l, dest, src, len, locale); | |
7058 | } | |
7059 | ||
7060 | #define INIT___STRXFRM_L COMMON_INTERCEPT_FUNCTION(__strxfrm_l); | |
7061 | #else | |
7062 | #define INIT___STRXFRM_L | |
7063 | #endif | |
7064 | ||
7065 | #if SANITIZER_INTERCEPT_WCSXFRM | |
7066 | INTERCEPTOR(SIZE_T, wcsxfrm, wchar_t *dest, const wchar_t *src, SIZE_T len) { | |
7067 | STRXFRM_INTERCEPTOR_IMPL(wcsxfrm, dest, src, len); | |
7068 | } | |
7069 | ||
7070 | INTERCEPTOR(SIZE_T, wcsxfrm_l, wchar_t *dest, const wchar_t *src, SIZE_T len, | |
7071 | void *locale) { | |
7072 | STRXFRM_INTERCEPTOR_IMPL(wcsxfrm_l, dest, src, len, locale); | |
7073 | } | |
7074 | ||
7075 | #define INIT_WCSXFRM \ | |
7076 | COMMON_INTERCEPT_FUNCTION(wcsxfrm); \ | |
7077 | COMMON_INTERCEPT_FUNCTION(wcsxfrm_l); | |
7078 | #else | |
7079 | #define INIT_WCSXFRM | |
7080 | #endif | |
7081 | ||
7082 | #if SANITIZER_INTERCEPT___WCSXFRM_L | |
7083 | INTERCEPTOR(SIZE_T, __wcsxfrm_l, wchar_t *dest, const wchar_t *src, SIZE_T len, | |
7084 | void *locale) { | |
7085 | STRXFRM_INTERCEPTOR_IMPL(__wcsxfrm_l, dest, src, len, locale); | |
7086 | } | |
7087 | ||
7088 | #define INIT___WCSXFRM_L COMMON_INTERCEPT_FUNCTION(__wcsxfrm_l); | |
7089 | #else | |
7090 | #define INIT___WCSXFRM_L | |
7091 | #endif | |
7092 | ||
7093 | #if SANITIZER_INTERCEPT_ACCT | |
7094 | INTERCEPTOR(int, acct, const char *file) { | |
7095 | void *ctx; | |
7096 | COMMON_INTERCEPTOR_ENTER(ctx, acct, file); | |
7097 | if (file) | |
7098 | COMMON_INTERCEPTOR_READ_RANGE(ctx, file, REAL(strlen)(file) + 1); | |
7099 | return REAL(acct)(file); | |
7100 | } | |
7101 | #define INIT_ACCT COMMON_INTERCEPT_FUNCTION(acct) | |
7102 | #else | |
7103 | #define INIT_ACCT | |
7104 | #endif | |
7105 | ||
7106 | #if SANITIZER_INTERCEPT_USER_FROM_UID | |
7107 | INTERCEPTOR(const char *, user_from_uid, u32 uid, int nouser) { | |
7108 | void *ctx; | |
7109 | const char *user; | |
7110 | COMMON_INTERCEPTOR_ENTER(ctx, user_from_uid, uid, nouser); | |
7111 | user = REAL(user_from_uid)(uid, nouser); | |
7112 | if (user) | |
7113 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, user, REAL(strlen)(user) + 1); | |
7114 | return user; | |
7115 | } | |
7116 | #define INIT_USER_FROM_UID COMMON_INTERCEPT_FUNCTION(user_from_uid) | |
7117 | #else | |
7118 | #define INIT_USER_FROM_UID | |
7119 | #endif | |
7120 | ||
7121 | #if SANITIZER_INTERCEPT_UID_FROM_USER | |
7122 | INTERCEPTOR(int, uid_from_user, const char *name, u32 *uid) { | |
7123 | void *ctx; | |
7124 | int res; | |
7125 | COMMON_INTERCEPTOR_ENTER(ctx, uid_from_user, name, uid); | |
7126 | if (name) | |
7127 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
7128 | res = REAL(uid_from_user)(name, uid); | |
7129 | if (uid) | |
7130 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, uid, sizeof(*uid)); | |
7131 | return res; | |
7132 | } | |
7133 | #define INIT_UID_FROM_USER COMMON_INTERCEPT_FUNCTION(uid_from_user) | |
7134 | #else | |
7135 | #define INIT_UID_FROM_USER | |
7136 | #endif | |
7137 | ||
7138 | #if SANITIZER_INTERCEPT_GROUP_FROM_GID | |
7139 | INTERCEPTOR(const char *, group_from_gid, u32 gid, int nogroup) { | |
7140 | void *ctx; | |
7141 | const char *group; | |
7142 | COMMON_INTERCEPTOR_ENTER(ctx, group_from_gid, gid, nogroup); | |
7143 | group = REAL(group_from_gid)(gid, nogroup); | |
7144 | if (group) | |
7145 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, group, REAL(strlen)(group) + 1); | |
7146 | return group; | |
7147 | } | |
7148 | #define INIT_GROUP_FROM_GID COMMON_INTERCEPT_FUNCTION(group_from_gid) | |
7149 | #else | |
7150 | #define INIT_GROUP_FROM_GID | |
7151 | #endif | |
7152 | ||
7153 | #if SANITIZER_INTERCEPT_GID_FROM_GROUP | |
7154 | INTERCEPTOR(int, gid_from_group, const char *group, u32 *gid) { | |
7155 | void *ctx; | |
7156 | int res; | |
7157 | COMMON_INTERCEPTOR_ENTER(ctx, gid_from_group, group, gid); | |
7158 | if (group) | |
7159 | COMMON_INTERCEPTOR_READ_RANGE(ctx, group, REAL(strlen)(group) + 1); | |
7160 | res = REAL(gid_from_group)(group, gid); | |
7161 | if (gid) | |
7162 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, gid, sizeof(*gid)); | |
7163 | return res; | |
7164 | } | |
7165 | #define INIT_GID_FROM_GROUP COMMON_INTERCEPT_FUNCTION(gid_from_group) | |
7166 | #else | |
7167 | #define INIT_GID_FROM_GROUP | |
7168 | #endif | |
7169 | ||
7170 | #if SANITIZER_INTERCEPT_ACCESS | |
7171 | INTERCEPTOR(int, access, const char *path, int mode) { | |
7172 | void *ctx; | |
7173 | COMMON_INTERCEPTOR_ENTER(ctx, access, path, mode); | |
7174 | if (path) | |
7175 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
7176 | return REAL(access)(path, mode); | |
7177 | } | |
7178 | #define INIT_ACCESS COMMON_INTERCEPT_FUNCTION(access) | |
7179 | #else | |
7180 | #define INIT_ACCESS | |
7181 | #endif | |
7182 | ||
7183 | #if SANITIZER_INTERCEPT_FACCESSAT | |
7184 | INTERCEPTOR(int, faccessat, int fd, const char *path, int mode, int flags) { | |
7185 | void *ctx; | |
7186 | COMMON_INTERCEPTOR_ENTER(ctx, faccessat, fd, path, mode, flags); | |
7187 | if (path) | |
7188 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
7189 | return REAL(faccessat)(fd, path, mode, flags); | |
7190 | } | |
7191 | #define INIT_FACCESSAT COMMON_INTERCEPT_FUNCTION(faccessat) | |
7192 | #else | |
7193 | #define INIT_FACCESSAT | |
7194 | #endif | |
7195 | ||
7196 | #if SANITIZER_INTERCEPT_GETGROUPLIST | |
7197 | INTERCEPTOR(int, getgrouplist, const char *name, u32 basegid, u32 *groups, | |
7198 | int *ngroups) { | |
7199 | void *ctx; | |
7200 | int res; | |
7201 | COMMON_INTERCEPTOR_ENTER(ctx, getgrouplist, name, basegid, groups, ngroups); | |
7202 | if (name) | |
7203 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
7204 | if (ngroups) | |
7205 | COMMON_INTERCEPTOR_READ_RANGE(ctx, ngroups, sizeof(*ngroups)); | |
7206 | res = REAL(getgrouplist)(name, basegid, groups, ngroups); | |
7207 | if (!res && groups && ngroups) { | |
7208 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, groups, sizeof(*groups) * (*ngroups)); | |
7209 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ngroups, sizeof(*ngroups)); | |
7210 | } | |
7211 | return res; | |
7212 | } | |
7213 | ||
7214 | #define INIT_GETGROUPLIST COMMON_INTERCEPT_FUNCTION(getgrouplist); | |
7215 | #else | |
7216 | #define INIT_GETGROUPLIST | |
7217 | #endif | |
7218 | ||
7219 | #if SANITIZER_INTERCEPT_GETGROUPMEMBERSHIP | |
7220 | INTERCEPTOR(int, getgroupmembership, const char *name, u32 basegid, u32 *groups, | |
7221 | int maxgrp, int *ngroups) { | |
7222 | void *ctx; | |
7223 | int res; | |
7224 | COMMON_INTERCEPTOR_ENTER(ctx, getgroupmembership, name, basegid, groups, | |
7225 | maxgrp, ngroups); | |
7226 | if (name) | |
7227 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
7228 | res = REAL(getgroupmembership)(name, basegid, groups, maxgrp, ngroups); | |
7229 | if (!res && groups && ngroups) { | |
7230 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, groups, sizeof(*groups) * (*ngroups)); | |
7231 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ngroups, sizeof(*ngroups)); | |
7232 | } | |
7233 | return res; | |
7234 | } | |
7235 | ||
7236 | #define INIT_GETGROUPMEMBERSHIP COMMON_INTERCEPT_FUNCTION(getgroupmembership); | |
7237 | #else | |
7238 | #define INIT_GETGROUPMEMBERSHIP | |
7239 | #endif | |
7240 | ||
7241 | #if SANITIZER_INTERCEPT_READLINK | |
7242 | INTERCEPTOR(SSIZE_T, readlink, const char *path, char *buf, SIZE_T bufsiz) { | |
7243 | void* ctx; | |
7244 | COMMON_INTERCEPTOR_ENTER(ctx, readlink, path, buf, bufsiz); | |
7245 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
7246 | SSIZE_T res = REAL(readlink)(path, buf, bufsiz); | |
7247 | if (res > 0) | |
7248 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res); | |
7249 | return res; | |
7250 | } | |
7251 | ||
7252 | #define INIT_READLINK COMMON_INTERCEPT_FUNCTION(readlink) | |
7253 | #else | |
7254 | #define INIT_READLINK | |
7255 | #endif | |
7256 | ||
7257 | #if SANITIZER_INTERCEPT_READLINKAT | |
7258 | INTERCEPTOR(SSIZE_T, readlinkat, int dirfd, const char *path, char *buf, | |
7259 | SIZE_T bufsiz) { | |
7260 | void* ctx; | |
7261 | COMMON_INTERCEPTOR_ENTER(ctx, readlinkat, dirfd, path, buf, bufsiz); | |
7262 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
7263 | SSIZE_T res = REAL(readlinkat)(dirfd, path, buf, bufsiz); | |
7264 | if (res > 0) | |
7265 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res); | |
7266 | return res; | |
7267 | } | |
7268 | ||
7269 | #define INIT_READLINKAT COMMON_INTERCEPT_FUNCTION(readlinkat) | |
7270 | #else | |
7271 | #define INIT_READLINKAT | |
7272 | #endif | |
7273 | ||
7274 | #if SANITIZER_INTERCEPT_NAME_TO_HANDLE_AT | |
7275 | INTERCEPTOR(int, name_to_handle_at, int dirfd, const char *pathname, | |
7276 | struct file_handle *handle, int *mount_id, int flags) { | |
7277 | void* ctx; | |
7278 | COMMON_INTERCEPTOR_ENTER(ctx, name_to_handle_at, dirfd, pathname, handle, | |
7279 | mount_id, flags); | |
7280 | COMMON_INTERCEPTOR_READ_RANGE(ctx, pathname, REAL(strlen)(pathname) + 1); | |
7281 | ||
7282 | __sanitizer_file_handle *sanitizer_handle = | |
7283 | reinterpret_cast<__sanitizer_file_handle*>(handle); | |
7284 | COMMON_INTERCEPTOR_READ_RANGE( | |
7285 | ctx, &sanitizer_handle->handle_bytes, | |
7286 | sizeof(sanitizer_handle->handle_bytes)); | |
7287 | ||
7288 | int res = REAL(name_to_handle_at)(dirfd, pathname, handle, mount_id, flags); | |
7289 | if (!res) { | |
7290 | COMMON_INTERCEPTOR_WRITE_RANGE( | |
7291 | ctx, &sanitizer_handle->handle_bytes, | |
7292 | sizeof(sanitizer_handle->handle_bytes)); | |
7293 | COMMON_INTERCEPTOR_WRITE_RANGE( | |
7294 | ctx, &sanitizer_handle->handle_type, | |
7295 | sizeof(sanitizer_handle->handle_type)); | |
7296 | COMMON_INTERCEPTOR_WRITE_RANGE( | |
7297 | ctx, &sanitizer_handle->f_handle, sanitizer_handle->handle_bytes); | |
7298 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mount_id, sizeof(*mount_id)); | |
7299 | } | |
7300 | return res; | |
7301 | } | |
7302 | ||
7303 | #define INIT_NAME_TO_HANDLE_AT COMMON_INTERCEPT_FUNCTION(name_to_handle_at) | |
7304 | #else | |
7305 | #define INIT_NAME_TO_HANDLE_AT | |
7306 | #endif | |
7307 | ||
7308 | #if SANITIZER_INTERCEPT_OPEN_BY_HANDLE_AT | |
7309 | INTERCEPTOR(int, open_by_handle_at, int mount_fd, struct file_handle* handle, | |
7310 | int flags) { | |
7311 | void* ctx; | |
7312 | COMMON_INTERCEPTOR_ENTER(ctx, open_by_handle_at, mount_fd, handle, flags); | |
7313 | ||
7314 | __sanitizer_file_handle *sanitizer_handle = | |
7315 | reinterpret_cast<__sanitizer_file_handle*>(handle); | |
7316 | COMMON_INTERCEPTOR_READ_RANGE( | |
7317 | ctx, &sanitizer_handle->handle_bytes, | |
7318 | sizeof(sanitizer_handle->handle_bytes)); | |
7319 | COMMON_INTERCEPTOR_READ_RANGE( | |
7320 | ctx, &sanitizer_handle->handle_type, | |
7321 | sizeof(sanitizer_handle->handle_type)); | |
7322 | COMMON_INTERCEPTOR_READ_RANGE( | |
7323 | ctx, &sanitizer_handle->f_handle, sanitizer_handle->handle_bytes); | |
7324 | ||
7325 | return REAL(open_by_handle_at)(mount_fd, handle, flags); | |
7326 | } | |
7327 | ||
7328 | #define INIT_OPEN_BY_HANDLE_AT COMMON_INTERCEPT_FUNCTION(open_by_handle_at) | |
7329 | #else | |
7330 | #define INIT_OPEN_BY_HANDLE_AT | |
7331 | #endif | |
7332 | ||
7333 | #if SANITIZER_INTERCEPT_STRLCPY | |
7334 | INTERCEPTOR(SIZE_T, strlcpy, char *dst, char *src, SIZE_T size) { | |
7335 | void *ctx; | |
7336 | SIZE_T res; | |
7337 | COMMON_INTERCEPTOR_ENTER(ctx, strlcpy, dst, src, size); | |
7338 | if (src) { | |
7339 | // Keep strnlen as macro argument, as macro may ignore it. | |
7340 | COMMON_INTERCEPTOR_READ_STRING( | |
7341 | ctx, src, Min(internal_strnlen(src, size), size - 1) + 1); | |
7342 | } | |
7343 | res = REAL(strlcpy)(dst, src, size); | |
7344 | COMMON_INTERCEPTOR_COPY_STRING(ctx, dst, src, REAL(strlen)(dst) + 1); | |
7345 | return res; | |
7346 | } | |
7347 | ||
7348 | INTERCEPTOR(SIZE_T, strlcat, char *dst, char *src, SIZE_T size) { | |
7349 | void *ctx; | |
7350 | SIZE_T len = 0; | |
7351 | COMMON_INTERCEPTOR_ENTER(ctx, strlcat, dst, src, size); | |
7352 | // src is checked in the strlcpy() interceptor | |
7353 | if (dst) { | |
7354 | len = internal_strnlen(dst, size); | |
7355 | COMMON_INTERCEPTOR_READ_STRING(ctx, dst, Min(len, size - 1) + 1); | |
7356 | } | |
7357 | // Reuse the rest of the code in the strlcpy() interceptor | |
7358 | return WRAP(strlcpy)(dst + len, src, size - len) + len; | |
7359 | } | |
7360 | #define INIT_STRLCPY \ | |
7361 | COMMON_INTERCEPT_FUNCTION(strlcpy); \ | |
7362 | COMMON_INTERCEPT_FUNCTION(strlcat); | |
7363 | #else | |
7364 | #define INIT_STRLCPY | |
7365 | #endif | |
7366 | ||
7367 | #if SANITIZER_INTERCEPT_MMAP | |
7368 | INTERCEPTOR(void *, mmap, void *addr, SIZE_T sz, int prot, int flags, int fd, | |
7369 | OFF_T off) { | |
7370 | void *ctx; | |
7371 | if (common_flags()->detect_write_exec) | |
7372 | ReportMmapWriteExec(prot); | |
7373 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
7374 | return (void *)internal_mmap(addr, sz, prot, flags, fd, off); | |
7375 | COMMON_INTERCEPTOR_ENTER(ctx, mmap, addr, sz, prot, flags, fd, off); | |
7376 | COMMON_INTERCEPTOR_MMAP_IMPL(ctx, mmap, addr, sz, prot, flags, fd, off); | |
7377 | } | |
7378 | ||
7379 | INTERCEPTOR(int, mprotect, void *addr, SIZE_T sz, int prot) { | |
7380 | void *ctx; | |
7381 | if (common_flags()->detect_write_exec) | |
7382 | ReportMmapWriteExec(prot); | |
7383 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
7384 | return (int)internal_mprotect(addr, sz, prot); | |
7385 | COMMON_INTERCEPTOR_ENTER(ctx, mprotect, addr, sz, prot); | |
7386 | MprotectMallocZones(addr, prot); | |
7387 | return REAL(mprotect)(addr, sz, prot); | |
7388 | } | |
7389 | #define INIT_MMAP \ | |
7390 | COMMON_INTERCEPT_FUNCTION(mmap); \ | |
7391 | COMMON_INTERCEPT_FUNCTION(mprotect); | |
7392 | #else | |
7393 | #define INIT_MMAP | |
7394 | #endif | |
7395 | ||
7396 | #if SANITIZER_INTERCEPT_MMAP64 | |
7397 | INTERCEPTOR(void *, mmap64, void *addr, SIZE_T sz, int prot, int flags, int fd, | |
7398 | OFF64_T off) { | |
7399 | void *ctx; | |
7400 | if (common_flags()->detect_write_exec) | |
7401 | ReportMmapWriteExec(prot); | |
7402 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
7403 | return (void *)internal_mmap(addr, sz, prot, flags, fd, off); | |
7404 | COMMON_INTERCEPTOR_ENTER(ctx, mmap64, addr, sz, prot, flags, fd, off); | |
7405 | COMMON_INTERCEPTOR_MMAP_IMPL(ctx, mmap64, addr, sz, prot, flags, fd, off); | |
7406 | } | |
7407 | #define INIT_MMAP64 COMMON_INTERCEPT_FUNCTION(mmap64); | |
7408 | #else | |
7409 | #define INIT_MMAP64 | |
7410 | #endif | |
7411 | ||
7412 | #if SANITIZER_INTERCEPT_DEVNAME | |
7413 | INTERCEPTOR(char *, devname, u64 dev, u32 type) { | |
7414 | void *ctx; | |
7415 | char *name; | |
7416 | COMMON_INTERCEPTOR_ENTER(ctx, devname, dev, type); | |
7417 | name = REAL(devname)(dev, type); | |
7418 | if (name) | |
7419 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
7420 | return name; | |
7421 | } | |
7422 | #define INIT_DEVNAME COMMON_INTERCEPT_FUNCTION(devname); | |
7423 | #else | |
7424 | #define INIT_DEVNAME | |
7425 | #endif | |
7426 | ||
7427 | #if SANITIZER_INTERCEPT_DEVNAME_R | |
b667dd70 ML |
7428 | #if SANITIZER_NETBSD |
7429 | #define DEVNAME_R_RETTYPE int | |
7430 | #define DEVNAME_R_SUCCESS(x) (!(x)) | |
7431 | #else | |
7432 | #define DEVNAME_R_RETTYPE char* | |
7433 | #define DEVNAME_R_SUCCESS(x) (x) | |
7434 | #endif | |
7435 | INTERCEPTOR(DEVNAME_R_RETTYPE, devname_r, u64 dev, u32 type, char *path, | |
7436 | uptr len) { | |
eac97531 | 7437 | void *ctx; |
eac97531 | 7438 | COMMON_INTERCEPTOR_ENTER(ctx, devname_r, dev, type, path, len); |
b667dd70 ML |
7439 | DEVNAME_R_RETTYPE res = REAL(devname_r)(dev, type, path, len); |
7440 | if (DEVNAME_R_SUCCESS(res)) | |
eac97531 ML |
7441 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, path, REAL(strlen)(path) + 1); |
7442 | return res; | |
7443 | } | |
7444 | #define INIT_DEVNAME_R COMMON_INTERCEPT_FUNCTION(devname_r); | |
7445 | #else | |
7446 | #define INIT_DEVNAME_R | |
7447 | #endif | |
7448 | ||
7449 | #if SANITIZER_INTERCEPT_FGETLN | |
7450 | INTERCEPTOR(char *, fgetln, __sanitizer_FILE *stream, SIZE_T *len) { | |
7451 | void *ctx; | |
7452 | COMMON_INTERCEPTOR_ENTER(ctx, fgetln, stream, len); | |
7453 | char *str = REAL(fgetln)(stream, len); | |
7454 | if (str && len) { | |
7455 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len)); | |
7456 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, str, *len); | |
7457 | } | |
7458 | return str; | |
7459 | } | |
7460 | #define INIT_FGETLN COMMON_INTERCEPT_FUNCTION(fgetln) | |
7461 | #else | |
7462 | #define INIT_FGETLN | |
7463 | #endif | |
7464 | ||
7465 | #if SANITIZER_INTERCEPT_STRMODE | |
7466 | INTERCEPTOR(void, strmode, u32 mode, char *bp) { | |
7467 | void *ctx; | |
7468 | COMMON_INTERCEPTOR_ENTER(ctx, strmode, mode, bp); | |
7469 | REAL(strmode)(mode, bp); | |
7470 | if (bp) | |
7471 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, bp, REAL(strlen)(bp) + 1); | |
7472 | } | |
7473 | #define INIT_STRMODE COMMON_INTERCEPT_FUNCTION(strmode) | |
7474 | #else | |
7475 | #define INIT_STRMODE | |
7476 | #endif | |
7477 | ||
7478 | #if SANITIZER_INTERCEPT_TTYENT | |
7479 | INTERCEPTOR(struct __sanitizer_ttyent *, getttyent, void) { | |
7480 | void *ctx; | |
7481 | COMMON_INTERCEPTOR_ENTER(ctx, getttyent); | |
7482 | struct __sanitizer_ttyent *ttyent = REAL(getttyent)(); | |
7483 | if (ttyent) | |
7484 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ttyent, struct_ttyent_sz); | |
7485 | return ttyent; | |
7486 | } | |
7487 | INTERCEPTOR(struct __sanitizer_ttyent *, getttynam, char *name) { | |
7488 | void *ctx; | |
7489 | COMMON_INTERCEPTOR_ENTER(ctx, getttynam, name); | |
7490 | if (name) | |
7491 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
7492 | struct __sanitizer_ttyent *ttyent = REAL(getttynam)(name); | |
7493 | if (ttyent) | |
7494 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ttyent, struct_ttyent_sz); | |
7495 | return ttyent; | |
7496 | } | |
7497 | INTERCEPTOR(int, setttyentpath, char *path) { | |
7498 | void *ctx; | |
7499 | COMMON_INTERCEPTOR_ENTER(ctx, setttyentpath, path); | |
7500 | if (path) | |
7501 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
7502 | return REAL(setttyentpath)(path); | |
7503 | } | |
7504 | #define INIT_TTYENT \ | |
7505 | COMMON_INTERCEPT_FUNCTION(getttyent); \ | |
7506 | COMMON_INTERCEPT_FUNCTION(getttynam); \ | |
7507 | COMMON_INTERCEPT_FUNCTION(setttyentpath) | |
7508 | #else | |
7509 | #define INIT_TTYENT | |
7510 | #endif | |
7511 | ||
7512 | #if SANITIZER_INTERCEPT_PROTOENT | |
0b997f6e ML |
7513 | static void write_protoent(void *ctx, struct __sanitizer_protoent *p) { |
7514 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); | |
eac97531 | 7515 | |
0b997f6e | 7516 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->p_name, REAL(strlen)(p->p_name) + 1); |
eac97531 | 7517 | |
0b997f6e | 7518 | SIZE_T pp_size = 1; // One handles the trailing \0 |
eac97531 | 7519 | |
0b997f6e ML |
7520 | for (char **pp = p->p_aliases; *pp; ++pp, ++pp_size) |
7521 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *pp, REAL(strlen)(*pp) + 1); | |
eac97531 | 7522 | |
0b997f6e ML |
7523 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->p_aliases, |
7524 | pp_size * sizeof(char **)); | |
7525 | } | |
7526 | ||
7527 | INTERCEPTOR(struct __sanitizer_protoent *, getprotoent) { | |
7528 | void *ctx; | |
7529 | COMMON_INTERCEPTOR_ENTER(ctx, getprotoent); | |
7530 | struct __sanitizer_protoent *p = REAL(getprotoent)(); | |
7531 | if (p) | |
7532 | write_protoent(ctx, p); | |
eac97531 ML |
7533 | return p; |
7534 | } | |
7535 | ||
7536 | INTERCEPTOR(struct __sanitizer_protoent *, getprotobyname, const char *name) { | |
7537 | void *ctx; | |
7538 | COMMON_INTERCEPTOR_ENTER(ctx, getprotobyname, name); | |
7539 | if (name) | |
7540 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
7541 | struct __sanitizer_protoent *p = REAL(getprotobyname)(name); | |
0b997f6e ML |
7542 | if (p) |
7543 | write_protoent(ctx, p); | |
eac97531 ML |
7544 | return p; |
7545 | } | |
7546 | ||
7547 | INTERCEPTOR(struct __sanitizer_protoent *, getprotobynumber, int proto) { | |
7548 | void *ctx; | |
7549 | COMMON_INTERCEPTOR_ENTER(ctx, getprotobynumber, proto); | |
7550 | struct __sanitizer_protoent *p = REAL(getprotobynumber)(proto); | |
0b997f6e ML |
7551 | if (p) |
7552 | write_protoent(ctx, p); | |
eac97531 ML |
7553 | return p; |
7554 | } | |
7555 | #define INIT_PROTOENT \ | |
7556 | COMMON_INTERCEPT_FUNCTION(getprotoent); \ | |
7557 | COMMON_INTERCEPT_FUNCTION(getprotobyname); \ | |
7558 | COMMON_INTERCEPT_FUNCTION(getprotobynumber) | |
7559 | #else | |
7560 | #define INIT_PROTOENT | |
7561 | #endif | |
7562 | ||
0b997f6e ML |
7563 | #if SANITIZER_INTERCEPT_PROTOENT_R |
7564 | INTERCEPTOR(int, getprotoent_r, struct __sanitizer_protoent *result_buf, | |
7565 | char *buf, SIZE_T buflen, struct __sanitizer_protoent **result) { | |
7566 | void *ctx; | |
7567 | COMMON_INTERCEPTOR_ENTER(ctx, getprotoent_r, result_buf, buf, buflen, | |
7568 | result); | |
7569 | int res = REAL(getprotoent_r)(result_buf, buf, buflen, result); | |
7570 | ||
7571 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof *result); | |
7572 | if (!res && *result) | |
7573 | write_protoent(ctx, *result); | |
7574 | return res; | |
7575 | } | |
7576 | ||
7577 | INTERCEPTOR(int, getprotobyname_r, const char *name, | |
7578 | struct __sanitizer_protoent *result_buf, char *buf, SIZE_T buflen, | |
7579 | struct __sanitizer_protoent **result) { | |
7580 | void *ctx; | |
7581 | COMMON_INTERCEPTOR_ENTER(ctx, getprotobyname_r, name, result_buf, buf, | |
7582 | buflen, result); | |
7583 | if (name) | |
7584 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
7585 | int res = REAL(getprotobyname_r)(name, result_buf, buf, buflen, result); | |
7586 | ||
7587 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof *result); | |
7588 | if (!res && *result) | |
7589 | write_protoent(ctx, *result); | |
7590 | return res; | |
7591 | } | |
7592 | ||
7593 | INTERCEPTOR(int, getprotobynumber_r, int num, | |
7594 | struct __sanitizer_protoent *result_buf, char *buf, | |
7595 | SIZE_T buflen, struct __sanitizer_protoent **result) { | |
7596 | void *ctx; | |
7597 | COMMON_INTERCEPTOR_ENTER(ctx, getprotobynumber_r, num, result_buf, buf, | |
7598 | buflen, result); | |
7599 | int res = REAL(getprotobynumber_r)(num, result_buf, buf, buflen, result); | |
7600 | ||
7601 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof *result); | |
7602 | if (!res && *result) | |
7603 | write_protoent(ctx, *result); | |
7604 | return res; | |
7605 | } | |
7606 | ||
7607 | #define INIT_PROTOENT_R \ | |
7608 | COMMON_INTERCEPT_FUNCTION(getprotoent_r); \ | |
7609 | COMMON_INTERCEPT_FUNCTION(getprotobyname_r); \ | |
7610 | COMMON_INTERCEPT_FUNCTION(getprotobynumber_r); | |
7611 | #else | |
7612 | #define INIT_PROTOENT_R | |
7613 | #endif | |
7614 | ||
eac97531 ML |
7615 | #if SANITIZER_INTERCEPT_NETENT |
7616 | INTERCEPTOR(struct __sanitizer_netent *, getnetent) { | |
7617 | void *ctx; | |
7618 | COMMON_INTERCEPTOR_ENTER(ctx, getnetent); | |
7619 | struct __sanitizer_netent *n = REAL(getnetent)(); | |
7620 | if (n) { | |
7621 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n)); | |
7622 | ||
7623 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_name, REAL(strlen)(n->n_name) + 1); | |
7624 | ||
7625 | SIZE_T nn_size = 1; // One handles the trailing \0 | |
7626 | ||
7627 | for (char **nn = n->n_aliases; *nn; ++nn, ++nn_size) | |
7628 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *nn, REAL(strlen)(*nn) + 1); | |
7629 | ||
7630 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_aliases, | |
7631 | nn_size * sizeof(char **)); | |
7632 | } | |
7633 | return n; | |
7634 | } | |
7635 | ||
7636 | INTERCEPTOR(struct __sanitizer_netent *, getnetbyname, const char *name) { | |
7637 | void *ctx; | |
7638 | COMMON_INTERCEPTOR_ENTER(ctx, getnetbyname, name); | |
7639 | if (name) | |
7640 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
7641 | struct __sanitizer_netent *n = REAL(getnetbyname)(name); | |
7642 | if (n) { | |
7643 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n)); | |
7644 | ||
7645 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_name, REAL(strlen)(n->n_name) + 1); | |
7646 | ||
7647 | SIZE_T nn_size = 1; // One handles the trailing \0 | |
7648 | ||
7649 | for (char **nn = n->n_aliases; *nn; ++nn, ++nn_size) | |
7650 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *nn, REAL(strlen)(*nn) + 1); | |
7651 | ||
7652 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_aliases, | |
7653 | nn_size * sizeof(char **)); | |
7654 | } | |
7655 | return n; | |
7656 | } | |
7657 | ||
7658 | INTERCEPTOR(struct __sanitizer_netent *, getnetbyaddr, u32 net, int type) { | |
7659 | void *ctx; | |
7660 | COMMON_INTERCEPTOR_ENTER(ctx, getnetbyaddr, net, type); | |
7661 | struct __sanitizer_netent *n = REAL(getnetbyaddr)(net, type); | |
7662 | if (n) { | |
7663 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n)); | |
7664 | ||
7665 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_name, REAL(strlen)(n->n_name) + 1); | |
7666 | ||
7667 | SIZE_T nn_size = 1; // One handles the trailing \0 | |
7668 | ||
7669 | for (char **nn = n->n_aliases; *nn; ++nn, ++nn_size) | |
7670 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *nn, REAL(strlen)(*nn) + 1); | |
7671 | ||
7672 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_aliases, | |
7673 | nn_size * sizeof(char **)); | |
7674 | } | |
7675 | return n; | |
7676 | } | |
7677 | #define INIT_NETENT \ | |
7678 | COMMON_INTERCEPT_FUNCTION(getnetent); \ | |
7679 | COMMON_INTERCEPT_FUNCTION(getnetbyname); \ | |
7680 | COMMON_INTERCEPT_FUNCTION(getnetbyaddr) | |
7681 | #else | |
7682 | #define INIT_NETENT | |
7683 | #endif | |
7684 | ||
b667dd70 ML |
7685 | #if SANITIZER_INTERCEPT_GETMNTINFO |
7686 | INTERCEPTOR(int, getmntinfo, void **mntbufp, int flags) { | |
7687 | void *ctx; | |
7688 | COMMON_INTERCEPTOR_ENTER(ctx, getmntinfo, mntbufp, flags); | |
7689 | int cnt = REAL(getmntinfo)(mntbufp, flags); | |
7690 | if (cnt > 0 && mntbufp) { | |
7691 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mntbufp, sizeof(void *)); | |
7692 | if (*mntbufp) | |
7693 | #if SANITIZER_NETBSD | |
7694 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *mntbufp, cnt * struct_statvfs_sz); | |
7695 | #else | |
7696 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *mntbufp, cnt * struct_statfs_sz); | |
7697 | #endif | |
7698 | } | |
7699 | return cnt; | |
7700 | } | |
7701 | #define INIT_GETMNTINFO COMMON_INTERCEPT_FUNCTION(getmntinfo) | |
7702 | #else | |
7703 | #define INIT_GETMNTINFO | |
7704 | #endif | |
7705 | ||
7706 | #if SANITIZER_INTERCEPT_MI_VECTOR_HASH | |
7707 | INTERCEPTOR(void, mi_vector_hash, const void *key, SIZE_T len, u32 seed, | |
7708 | u32 hashes[3]) { | |
7709 | void *ctx; | |
7710 | COMMON_INTERCEPTOR_ENTER(ctx, mi_vector_hash, key, len, seed, hashes); | |
7711 | if (key) | |
7712 | COMMON_INTERCEPTOR_READ_RANGE(ctx, key, len); | |
7713 | REAL(mi_vector_hash)(key, len, seed, hashes); | |
7714 | if (hashes) | |
7715 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hashes, sizeof(hashes[0]) * 3); | |
7716 | } | |
7717 | #define INIT_MI_VECTOR_HASH COMMON_INTERCEPT_FUNCTION(mi_vector_hash) | |
7718 | #else | |
7719 | #define INIT_MI_VECTOR_HASH | |
7720 | #endif | |
7721 | ||
7722 | #if SANITIZER_INTERCEPT_SETVBUF | |
7723 | INTERCEPTOR(int, setvbuf, __sanitizer_FILE *stream, char *buf, int mode, | |
7724 | SIZE_T size) { | |
7725 | void *ctx; | |
7726 | COMMON_INTERCEPTOR_ENTER(ctx, setvbuf, stream, buf, mode, size); | |
7727 | int ret = REAL(setvbuf)(stream, buf, mode, size); | |
7728 | if (buf) | |
7729 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, size); | |
7730 | if (stream) | |
7731 | unpoison_file(stream); | |
7732 | return ret; | |
7733 | } | |
7734 | ||
7735 | INTERCEPTOR(void, setbuf, __sanitizer_FILE *stream, char *buf) { | |
7736 | void *ctx; | |
7737 | COMMON_INTERCEPTOR_ENTER(ctx, setbuf, stream, buf); | |
7738 | REAL(setbuf)(stream, buf); | |
7739 | if (buf) { | |
7740 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer_bufsiz); | |
7741 | } | |
7742 | if (stream) | |
7743 | unpoison_file(stream); | |
7744 | } | |
7745 | ||
7746 | INTERCEPTOR(void, setbuffer, __sanitizer_FILE *stream, char *buf, int mode) { | |
7747 | void *ctx; | |
7748 | COMMON_INTERCEPTOR_ENTER(ctx, setbuffer, stream, buf, mode); | |
7749 | REAL(setbuffer)(stream, buf, mode); | |
7750 | if (buf) { | |
7751 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer_bufsiz); | |
7752 | } | |
7753 | if (stream) | |
7754 | unpoison_file(stream); | |
7755 | } | |
7756 | ||
7757 | INTERCEPTOR(void, setlinebuf, __sanitizer_FILE *stream) { | |
7758 | void *ctx; | |
7759 | COMMON_INTERCEPTOR_ENTER(ctx, setlinebuf, stream); | |
7760 | REAL(setlinebuf)(stream); | |
7761 | if (stream) | |
7762 | unpoison_file(stream); | |
7763 | } | |
7764 | #define INIT_SETVBUF COMMON_INTERCEPT_FUNCTION(setvbuf); \ | |
7765 | COMMON_INTERCEPT_FUNCTION(setbuf); \ | |
7766 | COMMON_INTERCEPT_FUNCTION(setbuffer); \ | |
7767 | COMMON_INTERCEPT_FUNCTION(setlinebuf) | |
7768 | #else | |
7769 | #define INIT_SETVBUF | |
7770 | #endif | |
7771 | ||
7772 | #if SANITIZER_INTERCEPT_GETVFSSTAT | |
7773 | INTERCEPTOR(int, getvfsstat, void *buf, SIZE_T bufsize, int flags) { | |
7774 | void *ctx; | |
7775 | COMMON_INTERCEPTOR_ENTER(ctx, getvfsstat, buf, bufsize, flags); | |
7776 | int ret = REAL(getvfsstat)(buf, bufsize, flags); | |
7777 | if (buf && ret > 0) | |
7778 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, ret * struct_statvfs_sz); | |
7779 | return ret; | |
7780 | } | |
7781 | #define INIT_GETVFSSTAT COMMON_INTERCEPT_FUNCTION(getvfsstat) | |
7782 | #else | |
7783 | #define INIT_GETVFSSTAT | |
7784 | #endif | |
7785 | ||
7786 | #if SANITIZER_INTERCEPT_REGEX | |
7787 | INTERCEPTOR(int, regcomp, void *preg, const char *pattern, int cflags) { | |
7788 | void *ctx; | |
7789 | COMMON_INTERCEPTOR_ENTER(ctx, regcomp, preg, pattern, cflags); | |
7790 | if (pattern) | |
7791 | COMMON_INTERCEPTOR_READ_RANGE(ctx, pattern, REAL(strlen)(pattern) + 1); | |
7792 | int res = REAL(regcomp)(preg, pattern, cflags); | |
7793 | if (!res) | |
7794 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, preg, struct_regex_sz); | |
7795 | return res; | |
7796 | } | |
7797 | INTERCEPTOR(int, regexec, const void *preg, const char *string, SIZE_T nmatch, | |
7798 | struct __sanitizer_regmatch *pmatch[], int eflags) { | |
7799 | void *ctx; | |
7800 | COMMON_INTERCEPTOR_ENTER(ctx, regexec, preg, string, nmatch, pmatch, eflags); | |
7801 | if (preg) | |
7802 | COMMON_INTERCEPTOR_READ_RANGE(ctx, preg, struct_regex_sz); | |
7803 | if (string) | |
7804 | COMMON_INTERCEPTOR_READ_RANGE(ctx, string, REAL(strlen)(string) + 1); | |
7805 | int res = REAL(regexec)(preg, string, nmatch, pmatch, eflags); | |
7806 | if (!res && pmatch) | |
7807 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pmatch, nmatch * struct_regmatch_sz); | |
7808 | return res; | |
7809 | } | |
7810 | INTERCEPTOR(SIZE_T, regerror, int errcode, const void *preg, char *errbuf, | |
7811 | SIZE_T errbuf_size) { | |
7812 | void *ctx; | |
7813 | COMMON_INTERCEPTOR_ENTER(ctx, regerror, errcode, preg, errbuf, errbuf_size); | |
7814 | if (preg) | |
7815 | COMMON_INTERCEPTOR_READ_RANGE(ctx, preg, struct_regex_sz); | |
7816 | SIZE_T res = REAL(regerror)(errcode, preg, errbuf, errbuf_size); | |
7817 | if (errbuf) | |
7818 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, errbuf, REAL(strlen)(errbuf) + 1); | |
7819 | return res; | |
7820 | } | |
7821 | INTERCEPTOR(void, regfree, const void *preg) { | |
7822 | void *ctx; | |
7823 | COMMON_INTERCEPTOR_ENTER(ctx, regfree, preg); | |
7824 | if (preg) | |
7825 | COMMON_INTERCEPTOR_READ_RANGE(ctx, preg, struct_regex_sz); | |
7826 | REAL(regfree)(preg); | |
7827 | } | |
7828 | #define INIT_REGEX \ | |
7829 | COMMON_INTERCEPT_FUNCTION(regcomp); \ | |
81fee438 | 7830 | COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(regexec, "GLIBC_2.3.4"); \ |
b667dd70 ML |
7831 | COMMON_INTERCEPT_FUNCTION(regerror); \ |
7832 | COMMON_INTERCEPT_FUNCTION(regfree); | |
7833 | #else | |
7834 | #define INIT_REGEX | |
7835 | #endif | |
7836 | ||
7837 | #if SANITIZER_INTERCEPT_REGEXSUB | |
7838 | INTERCEPTOR(SSIZE_T, regnsub, char *buf, SIZE_T bufsiz, const char *sub, | |
7839 | const struct __sanitizer_regmatch *rm, const char *str) { | |
7840 | void *ctx; | |
7841 | COMMON_INTERCEPTOR_ENTER(ctx, regnsub, buf, bufsiz, sub, rm, str); | |
7842 | if (sub) | |
7843 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sub, REAL(strlen)(sub) + 1); | |
7844 | // The implementation demands and hardcodes 10 elements | |
7845 | if (rm) | |
7846 | COMMON_INTERCEPTOR_READ_RANGE(ctx, rm, 10 * struct_regmatch_sz); | |
7847 | if (str) | |
7848 | COMMON_INTERCEPTOR_READ_RANGE(ctx, str, REAL(strlen)(str) + 1); | |
7849 | SSIZE_T res = REAL(regnsub)(buf, bufsiz, sub, rm, str); | |
7850 | if (res > 0 && buf) | |
7851 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, REAL(strlen)(buf) + 1); | |
7852 | return res; | |
7853 | } | |
7854 | INTERCEPTOR(SSIZE_T, regasub, char **buf, const char *sub, | |
7855 | const struct __sanitizer_regmatch *rm, const char *sstr) { | |
7856 | void *ctx; | |
7857 | COMMON_INTERCEPTOR_ENTER(ctx, regasub, buf, sub, rm, sstr); | |
7858 | if (sub) | |
7859 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sub, REAL(strlen)(sub) + 1); | |
7860 | // Hardcode 10 elements as this is hardcoded size | |
7861 | if (rm) | |
7862 | COMMON_INTERCEPTOR_READ_RANGE(ctx, rm, 10 * struct_regmatch_sz); | |
7863 | if (sstr) | |
7864 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sstr, REAL(strlen)(sstr) + 1); | |
7865 | SSIZE_T res = REAL(regasub)(buf, sub, rm, sstr); | |
7866 | if (res > 0 && buf) { | |
7867 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sizeof(char *)); | |
7868 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *buf, REAL(strlen)(*buf) + 1); | |
7869 | } | |
7870 | return res; | |
7871 | } | |
7872 | ||
7873 | #define INIT_REGEXSUB \ | |
7874 | COMMON_INTERCEPT_FUNCTION(regnsub); \ | |
7875 | COMMON_INTERCEPT_FUNCTION(regasub); | |
7876 | #else | |
7877 | #define INIT_REGEXSUB | |
7878 | #endif | |
7879 | ||
7880 | #if SANITIZER_INTERCEPT_FTS | |
7881 | INTERCEPTOR(void *, fts_open, char *const *path_argv, int options, | |
7882 | int (*compar)(void **, void **)) { | |
7883 | void *ctx; | |
7884 | COMMON_INTERCEPTOR_ENTER(ctx, fts_open, path_argv, options, compar); | |
7885 | if (path_argv) { | |
7886 | for (char *const *pa = path_argv; ; ++pa) { | |
7887 | COMMON_INTERCEPTOR_READ_RANGE(ctx, pa, sizeof(char **)); | |
7888 | if (!*pa) | |
7889 | break; | |
7890 | COMMON_INTERCEPTOR_READ_RANGE(ctx, *pa, REAL(strlen)(*pa) + 1); | |
7891 | } | |
7892 | } | |
7893 | // TODO(kamil): handle compar callback | |
7894 | void *fts = REAL(fts_open)(path_argv, options, compar); | |
7895 | if (fts) | |
7896 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, fts, struct_FTS_sz); | |
7897 | return fts; | |
7898 | } | |
7899 | ||
7900 | INTERCEPTOR(void *, fts_read, void *ftsp) { | |
7901 | void *ctx; | |
7902 | COMMON_INTERCEPTOR_ENTER(ctx, fts_read, ftsp); | |
7903 | if (ftsp) | |
7904 | COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz); | |
7905 | void *ftsent = REAL(fts_read)(ftsp); | |
7906 | if (ftsent) | |
7907 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ftsent, struct_FTSENT_sz); | |
7908 | return ftsent; | |
7909 | } | |
7910 | ||
7911 | INTERCEPTOR(void *, fts_children, void *ftsp, int options) { | |
7912 | void *ctx; | |
7913 | COMMON_INTERCEPTOR_ENTER(ctx, fts_children, ftsp, options); | |
7914 | if (ftsp) | |
7915 | COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz); | |
7916 | void *ftsent = REAL(fts_children)(ftsp, options); | |
7917 | if (ftsent) | |
7918 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ftsent, struct_FTSENT_sz); | |
7919 | return ftsent; | |
7920 | } | |
7921 | ||
7922 | INTERCEPTOR(int, fts_set, void *ftsp, void *f, int options) { | |
7923 | void *ctx; | |
7924 | COMMON_INTERCEPTOR_ENTER(ctx, fts_set, ftsp, f, options); | |
7925 | if (ftsp) | |
7926 | COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz); | |
7927 | if (f) | |
7928 | COMMON_INTERCEPTOR_READ_RANGE(ctx, f, struct_FTSENT_sz); | |
7929 | return REAL(fts_set)(ftsp, f, options); | |
7930 | } | |
7931 | ||
7932 | INTERCEPTOR(int, fts_close, void *ftsp) { | |
7933 | void *ctx; | |
7934 | COMMON_INTERCEPTOR_ENTER(ctx, fts_close, ftsp); | |
7935 | if (ftsp) | |
7936 | COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz); | |
7937 | return REAL(fts_close)(ftsp); | |
7938 | } | |
7939 | #define INIT_FTS \ | |
7940 | COMMON_INTERCEPT_FUNCTION(fts_open); \ | |
7941 | COMMON_INTERCEPT_FUNCTION(fts_read); \ | |
7942 | COMMON_INTERCEPT_FUNCTION(fts_children); \ | |
7943 | COMMON_INTERCEPT_FUNCTION(fts_set); \ | |
7944 | COMMON_INTERCEPT_FUNCTION(fts_close); | |
7945 | #else | |
7946 | #define INIT_FTS | |
7947 | #endif | |
7948 | ||
7949 | #if SANITIZER_INTERCEPT_SYSCTL | |
7950 | INTERCEPTOR(int, sysctl, int *name, unsigned int namelen, void *oldp, | |
7951 | SIZE_T *oldlenp, void *newp, SIZE_T newlen) { | |
7952 | void *ctx; | |
7953 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
7954 | return internal_sysctl(name, namelen, oldp, oldlenp, newp, newlen); | |
7955 | COMMON_INTERCEPTOR_ENTER(ctx, sysctl, name, namelen, oldp, oldlenp, newp, | |
7956 | newlen); | |
7957 | if (name) | |
7958 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, namelen * sizeof(*name)); | |
7959 | if (oldlenp) | |
7960 | COMMON_INTERCEPTOR_READ_RANGE(ctx, oldlenp, sizeof(*oldlenp)); | |
7961 | if (newp && newlen) | |
7962 | COMMON_INTERCEPTOR_READ_RANGE(ctx, newp, newlen); | |
7963 | int res = REAL(sysctl)(name, namelen, oldp, oldlenp, newp, newlen); | |
7964 | if (!res) { | |
7965 | if (oldlenp) { | |
7966 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldlenp, sizeof(*oldlenp)); | |
7967 | if (oldp) | |
7968 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldp, *oldlenp); | |
7969 | } | |
7970 | } | |
7971 | return res; | |
7972 | } | |
7973 | ||
7974 | INTERCEPTOR(int, sysctlbyname, char *sname, void *oldp, SIZE_T *oldlenp, | |
7975 | void *newp, SIZE_T newlen) { | |
7976 | void *ctx; | |
7977 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
7978 | return internal_sysctlbyname(sname, oldp, oldlenp, newp, newlen); | |
7979 | COMMON_INTERCEPTOR_ENTER(ctx, sysctlbyname, sname, oldp, oldlenp, newp, | |
7980 | newlen); | |
7981 | if (sname) | |
7982 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, REAL(strlen)(sname) + 1); | |
7983 | if (oldlenp) | |
7984 | COMMON_INTERCEPTOR_READ_RANGE(ctx, oldlenp, sizeof(*oldlenp)); | |
7985 | if (newp && newlen) | |
7986 | COMMON_INTERCEPTOR_READ_RANGE(ctx, newp, newlen); | |
7987 | int res = REAL(sysctlbyname)(sname, oldp, oldlenp, newp, newlen); | |
7988 | if (!res) { | |
7989 | if (oldlenp) { | |
7990 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldlenp, sizeof(*oldlenp)); | |
7991 | if (oldp) | |
7992 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldp, *oldlenp); | |
7993 | } | |
7994 | } | |
7995 | return res; | |
7996 | } | |
7997 | ||
7998 | INTERCEPTOR(int, sysctlnametomib, const char *sname, int *name, | |
7999 | SIZE_T *namelenp) { | |
8000 | void *ctx; | |
8001 | COMMON_INTERCEPTOR_ENTER(ctx, sysctlnametomib, sname, name, namelenp); | |
8002 | if (sname) | |
8003 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, REAL(strlen)(sname) + 1); | |
8004 | if (namelenp) | |
8005 | COMMON_INTERCEPTOR_READ_RANGE(ctx, namelenp, sizeof(*namelenp)); | |
8006 | int res = REAL(sysctlnametomib)(sname, name, namelenp); | |
8007 | if (!res) { | |
8008 | if (namelenp) { | |
8009 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelenp, sizeof(*namelenp)); | |
8010 | if (name) | |
8011 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, *namelenp * sizeof(*name)); | |
8012 | } | |
8013 | } | |
8014 | return res; | |
8015 | } | |
8016 | ||
8017 | #define INIT_SYSCTL \ | |
8018 | COMMON_INTERCEPT_FUNCTION(sysctl); \ | |
8019 | COMMON_INTERCEPT_FUNCTION(sysctlbyname); \ | |
8020 | COMMON_INTERCEPT_FUNCTION(sysctlnametomib); | |
8021 | #else | |
8022 | #define INIT_SYSCTL | |
8023 | #endif | |
8024 | ||
8025 | #if SANITIZER_INTERCEPT_ASYSCTL | |
8026 | INTERCEPTOR(void *, asysctl, const int *name, SIZE_T namelen, SIZE_T *len) { | |
8027 | void *ctx; | |
8028 | COMMON_INTERCEPTOR_ENTER(ctx, asysctl, name, namelen, len); | |
8029 | if (name) | |
8030 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, sizeof(*name) * namelen); | |
8031 | void *res = REAL(asysctl)(name, namelen, len); | |
8032 | if (res && len) { | |
8033 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len)); | |
8034 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, *len); | |
8035 | } | |
8036 | return res; | |
8037 | } | |
8038 | ||
8039 | INTERCEPTOR(void *, asysctlbyname, const char *sname, SIZE_T *len) { | |
8040 | void *ctx; | |
8041 | COMMON_INTERCEPTOR_ENTER(ctx, asysctlbyname, sname, len); | |
8042 | if (sname) | |
8043 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, REAL(strlen)(sname) + 1); | |
8044 | void *res = REAL(asysctlbyname)(sname, len); | |
8045 | if (res && len) { | |
8046 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len)); | |
8047 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, *len); | |
8048 | } | |
8049 | return res; | |
8050 | } | |
8051 | #define INIT_ASYSCTL \ | |
8052 | COMMON_INTERCEPT_FUNCTION(asysctl); \ | |
8053 | COMMON_INTERCEPT_FUNCTION(asysctlbyname); | |
8054 | #else | |
8055 | #define INIT_ASYSCTL | |
8056 | #endif | |
8057 | ||
8058 | #if SANITIZER_INTERCEPT_SYSCTLGETMIBINFO | |
8059 | INTERCEPTOR(int, sysctlgetmibinfo, char *sname, int *name, | |
8060 | unsigned int *namelenp, char *cname, SIZE_T *csz, void **rnode, | |
8061 | int v) { | |
8062 | void *ctx; | |
8063 | COMMON_INTERCEPTOR_ENTER(ctx, sysctlgetmibinfo, sname, name, namelenp, cname, | |
8064 | csz, rnode, v); | |
8065 | if (sname) | |
8066 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, REAL(strlen)(sname) + 1); | |
8067 | if (namelenp) | |
8068 | COMMON_INTERCEPTOR_READ_RANGE(ctx, namelenp, sizeof(*namelenp)); | |
8069 | if (csz) | |
8070 | COMMON_INTERCEPTOR_READ_RANGE(ctx, csz, sizeof(*csz)); | |
8071 | // Skip rnode, it's rarely used and not trivial to sanitize | |
8072 | // It's also used mostly internally | |
8073 | int res = REAL(sysctlgetmibinfo)(sname, name, namelenp, cname, csz, rnode, v); | |
8074 | if (!res) { | |
8075 | if (namelenp) { | |
8076 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelenp, sizeof(*namelenp)); | |
8077 | if (name) | |
8078 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, *namelenp * sizeof(*name)); | |
8079 | } | |
8080 | if (csz) { | |
8081 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, csz, sizeof(*csz)); | |
8082 | if (cname) | |
8083 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cname, *csz); | |
8084 | } | |
8085 | } | |
8086 | return res; | |
8087 | } | |
8088 | #define INIT_SYSCTLGETMIBINFO \ | |
8089 | COMMON_INTERCEPT_FUNCTION(sysctlgetmibinfo); | |
8090 | #else | |
8091 | #define INIT_SYSCTLGETMIBINFO | |
8092 | #endif | |
8093 | ||
8094 | #if SANITIZER_INTERCEPT_NL_LANGINFO | |
8095 | INTERCEPTOR(char *, nl_langinfo, long item) { | |
8096 | void *ctx; | |
8097 | COMMON_INTERCEPTOR_ENTER(ctx, nl_langinfo, item); | |
8098 | char *ret = REAL(nl_langinfo)(item); | |
8099 | if (ret) | |
8100 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, REAL(strlen)(ret) + 1); | |
8101 | return ret; | |
8102 | } | |
8103 | #define INIT_NL_LANGINFO COMMON_INTERCEPT_FUNCTION(nl_langinfo) | |
8104 | #else | |
8105 | #define INIT_NL_LANGINFO | |
8106 | #endif | |
8107 | ||
8108 | #if SANITIZER_INTERCEPT_MODCTL | |
8109 | INTERCEPTOR(int, modctl, int operation, void *argp) { | |
8110 | void *ctx; | |
8111 | int ret; | |
8112 | COMMON_INTERCEPTOR_ENTER(ctx, modctl, operation, argp); | |
8113 | ||
8114 | if (operation == modctl_load) { | |
8115 | if (argp) { | |
8116 | __sanitizer_modctl_load_t *ml = (__sanitizer_modctl_load_t *)argp; | |
8117 | COMMON_INTERCEPTOR_READ_RANGE(ctx, ml, sizeof(*ml)); | |
8118 | if (ml->ml_filename) | |
8119 | COMMON_INTERCEPTOR_READ_RANGE(ctx, ml->ml_filename, | |
8120 | REAL(strlen)(ml->ml_filename) + 1); | |
8121 | if (ml->ml_props) | |
8122 | COMMON_INTERCEPTOR_READ_RANGE(ctx, ml->ml_props, ml->ml_propslen); | |
8123 | } | |
8124 | ret = REAL(modctl)(operation, argp); | |
8125 | } else if (operation == modctl_unload) { | |
8126 | if (argp) { | |
8127 | const char *name = (const char *)argp; | |
8128 | COMMON_INTERCEPTOR_READ_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
8129 | } | |
8130 | ret = REAL(modctl)(operation, argp); | |
8131 | } else if (operation == modctl_stat) { | |
8132 | uptr iov_len; | |
8133 | struct __sanitizer_iovec *iov = (struct __sanitizer_iovec *)argp; | |
8134 | if (iov) { | |
8135 | COMMON_INTERCEPTOR_READ_RANGE(ctx, iov, sizeof(*iov)); | |
8136 | iov_len = iov->iov_len; | |
8137 | } | |
8138 | ret = REAL(modctl)(operation, argp); | |
8139 | if (iov) | |
8140 | COMMON_INTERCEPTOR_WRITE_RANGE( | |
8141 | ctx, iov->iov_base, Min(iov_len, iov->iov_len)); | |
3ca75cd5 | 8142 | } else if (operation == modctl_exists) { |
b667dd70 | 8143 | ret = REAL(modctl)(operation, argp); |
3ca75cd5 | 8144 | } else { |
b667dd70 | 8145 | ret = REAL(modctl)(operation, argp); |
3ca75cd5 | 8146 | } |
b667dd70 ML |
8147 | |
8148 | return ret; | |
8149 | } | |
8150 | #define INIT_MODCTL COMMON_INTERCEPT_FUNCTION(modctl) | |
8151 | #else | |
8152 | #define INIT_MODCTL | |
8153 | #endif | |
8154 | ||
8155 | #if SANITIZER_INTERCEPT_STRTONUM | |
8156 | INTERCEPTOR(long long, strtonum, const char *nptr, long long minval, | |
8157 | long long maxval, const char **errstr) { | |
8158 | void *ctx; | |
8159 | COMMON_INTERCEPTOR_ENTER(ctx, strtonum, nptr, minval, maxval, errstr); | |
8160 | ||
8161 | // TODO(kamil): Implement strtoll as a common inteceptor | |
8162 | char *real_endptr; | |
8163 | long long ret = (long long)REAL(strtoimax)(nptr, &real_endptr, 10); | |
8164 | StrtolFixAndCheck(ctx, nptr, nullptr, real_endptr, 10); | |
8165 | ||
8166 | ret = REAL(strtonum)(nptr, minval, maxval, errstr); | |
8167 | if (errstr) { | |
8168 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, errstr, sizeof(const char *)); | |
8169 | if (*errstr) | |
8170 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *errstr, REAL(strlen)(*errstr) + 1); | |
8171 | } | |
8172 | return ret; | |
8173 | } | |
8174 | #define INIT_STRTONUM COMMON_INTERCEPT_FUNCTION(strtonum) | |
8175 | #else | |
8176 | #define INIT_STRTONUM | |
8177 | #endif | |
8178 | ||
8179 | #if SANITIZER_INTERCEPT_FPARSELN | |
8180 | INTERCEPTOR(char *, fparseln, __sanitizer_FILE *stream, SIZE_T *len, | |
8181 | SIZE_T *lineno, const char delim[3], int flags) { | |
8182 | void *ctx; | |
8183 | COMMON_INTERCEPTOR_ENTER(ctx, fparseln, stream, len, lineno, delim, flags); | |
8184 | if (lineno) | |
8185 | COMMON_INTERCEPTOR_READ_RANGE(ctx, lineno, sizeof(*lineno)); | |
8186 | if (delim) | |
8187 | COMMON_INTERCEPTOR_READ_RANGE(ctx, delim, sizeof(delim[0]) * 3); | |
8188 | char *ret = REAL(fparseln)(stream, len, lineno, delim, flags); | |
8189 | if (ret) { | |
8190 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, REAL(strlen)(ret) + 1); | |
8191 | if (len) | |
8192 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len)); | |
8193 | if (lineno) | |
8194 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineno, sizeof(*lineno)); | |
8195 | } | |
8196 | return ret; | |
8197 | } | |
8198 | #define INIT_FPARSELN COMMON_INTERCEPT_FUNCTION(fparseln) | |
8199 | #else | |
8200 | #define INIT_FPARSELN | |
8201 | #endif | |
8202 | ||
8203 | #if SANITIZER_INTERCEPT_STATVFS1 | |
8204 | INTERCEPTOR(int, statvfs1, const char *path, void *buf, int flags) { | |
8205 | void *ctx; | |
8206 | COMMON_INTERCEPTOR_ENTER(ctx, statvfs1, path, buf, flags); | |
8207 | if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
8208 | int res = REAL(statvfs1)(path, buf, flags); | |
8209 | if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz); | |
8210 | return res; | |
8211 | } | |
8212 | INTERCEPTOR(int, fstatvfs1, int fd, void *buf, int flags) { | |
8213 | void *ctx; | |
8214 | COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs1, fd, buf, flags); | |
8215 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
8216 | int res = REAL(fstatvfs1)(fd, buf, flags); | |
8217 | if (!res) { | |
8218 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz); | |
8219 | if (fd >= 0) | |
8220 | COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
8221 | } | |
8222 | return res; | |
8223 | } | |
8224 | #define INIT_STATVFS1 \ | |
8225 | COMMON_INTERCEPT_FUNCTION(statvfs1); \ | |
8226 | COMMON_INTERCEPT_FUNCTION(fstatvfs1); | |
8227 | #else | |
8228 | #define INIT_STATVFS1 | |
8229 | #endif | |
8230 | ||
8231 | #if SANITIZER_INTERCEPT_STRTOI | |
8232 | INTERCEPTOR(INTMAX_T, strtoi, const char *nptr, char **endptr, int base, | |
8233 | INTMAX_T low, INTMAX_T high, int *rstatus) { | |
8234 | void *ctx; | |
8235 | COMMON_INTERCEPTOR_ENTER(ctx, strtoi, nptr, endptr, base, low, high, rstatus); | |
8236 | char *real_endptr; | |
8237 | INTMAX_T ret = REAL(strtoi)(nptr, &real_endptr, base, low, high, rstatus); | |
8238 | StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base); | |
8239 | if (rstatus) | |
8240 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rstatus, sizeof(*rstatus)); | |
8241 | return ret; | |
8242 | } | |
8243 | ||
8244 | INTERCEPTOR(UINTMAX_T, strtou, const char *nptr, char **endptr, int base, | |
8245 | UINTMAX_T low, UINTMAX_T high, int *rstatus) { | |
8246 | void *ctx; | |
8247 | COMMON_INTERCEPTOR_ENTER(ctx, strtou, nptr, endptr, base, low, high, rstatus); | |
8248 | char *real_endptr; | |
8249 | UINTMAX_T ret = REAL(strtou)(nptr, &real_endptr, base, low, high, rstatus); | |
8250 | StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base); | |
8251 | if (rstatus) | |
8252 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rstatus, sizeof(*rstatus)); | |
8253 | return ret; | |
8254 | } | |
8255 | #define INIT_STRTOI \ | |
8256 | COMMON_INTERCEPT_FUNCTION(strtoi); \ | |
8257 | COMMON_INTERCEPT_FUNCTION(strtou) | |
8258 | #else | |
8259 | #define INIT_STRTOI | |
8260 | #endif | |
8261 | ||
8262 | #if SANITIZER_INTERCEPT_CAPSICUM | |
8263 | #define CAP_RIGHTS_INIT_INTERCEPTOR(cap_rights_init, rights, ...) \ | |
8264 | { \ | |
8265 | void *ctx; \ | |
8266 | COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_init, rights, ##__VA_ARGS__); \ | |
8267 | if (rights) \ | |
8268 | COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \ | |
8269 | __sanitizer_cap_rights_t *ret = \ | |
8270 | REAL(cap_rights_init)(rights, ##__VA_ARGS__); \ | |
8271 | if (ret) \ | |
8272 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret)); \ | |
8273 | return ret; \ | |
8274 | } | |
8275 | ||
8276 | #define CAP_RIGHTS_SET_INTERCEPTOR(cap_rights_set, rights, ...) \ | |
8277 | { \ | |
8278 | void *ctx; \ | |
8279 | COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_set, rights, ##__VA_ARGS__); \ | |
8280 | if (rights) \ | |
8281 | COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \ | |
8282 | __sanitizer_cap_rights_t *ret = \ | |
8283 | REAL(cap_rights_set)(rights, ##__VA_ARGS__); \ | |
8284 | if (ret) \ | |
8285 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret)); \ | |
8286 | return ret; \ | |
8287 | } | |
8288 | ||
8289 | #define CAP_RIGHTS_CLEAR_INTERCEPTOR(cap_rights_clear, rights, ...) \ | |
8290 | { \ | |
8291 | void *ctx; \ | |
8292 | COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_clear, rights, ##__VA_ARGS__); \ | |
8293 | if (rights) \ | |
8294 | COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \ | |
8295 | __sanitizer_cap_rights_t *ret = \ | |
8296 | REAL(cap_rights_clear)(rights, ##__VA_ARGS__); \ | |
8297 | if (ret) \ | |
8298 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret)); \ | |
8299 | return ret; \ | |
8300 | } | |
8301 | ||
8302 | #define CAP_RIGHTS_IS_SET_INTERCEPTOR(cap_rights_is_set, rights, ...) \ | |
8303 | { \ | |
8304 | void *ctx; \ | |
8305 | COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_is_set, rights, ##__VA_ARGS__); \ | |
8306 | if (rights) \ | |
8307 | COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \ | |
8308 | return REAL(cap_rights_is_set)(rights, ##__VA_ARGS__); \ | |
8309 | } | |
8310 | ||
8311 | INTERCEPTOR(__sanitizer_cap_rights_t *, cap_rights_init, | |
8312 | __sanitizer_cap_rights_t *rights) { | |
8313 | CAP_RIGHTS_INIT_INTERCEPTOR(cap_rights_init, rights); | |
8314 | } | |
8315 | ||
8316 | INTERCEPTOR(__sanitizer_cap_rights_t *, cap_rights_set, | |
8317 | __sanitizer_cap_rights_t *rights) { | |
8318 | CAP_RIGHTS_SET_INTERCEPTOR(cap_rights_set, rights); | |
8319 | } | |
8320 | ||
8321 | INTERCEPTOR(__sanitizer_cap_rights_t *, cap_rights_clear, | |
8322 | __sanitizer_cap_rights_t *rights) { | |
8323 | CAP_RIGHTS_CLEAR_INTERCEPTOR(cap_rights_clear, rights); | |
8324 | } | |
8325 | ||
8326 | INTERCEPTOR(bool, cap_rights_is_set, | |
8327 | __sanitizer_cap_rights_t *rights) { | |
8328 | CAP_RIGHTS_IS_SET_INTERCEPTOR(cap_rights_is_set, rights); | |
8329 | } | |
8330 | ||
8331 | INTERCEPTOR(int, cap_rights_limit, int fd, | |
8332 | const __sanitizer_cap_rights_t *rights) { | |
8333 | void *ctx; | |
8334 | COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_limit, fd, rights); | |
8335 | if (rights) | |
8336 | COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); | |
8337 | ||
8338 | return REAL(cap_rights_limit)(fd, rights); | |
8339 | } | |
8340 | ||
8341 | INTERCEPTOR(int, cap_rights_get, int fd, __sanitizer_cap_rights_t *rights) { | |
8342 | void *ctx; | |
8343 | COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_get, fd, rights); | |
8344 | int ret = REAL(cap_rights_get)(fd, rights); | |
8345 | if (!ret && rights) | |
8346 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rights, sizeof(*rights)); | |
8347 | ||
8348 | return ret; | |
8349 | } | |
8350 | ||
8351 | INTERCEPTOR(bool, cap_rights_is_valid, const __sanitizer_cap_rights_t *rights) { | |
8352 | void *ctx; | |
8353 | COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_is_valid, rights); | |
8354 | if (rights) | |
8355 | COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); | |
8356 | ||
8357 | return REAL(cap_rights_is_valid(rights)); | |
8358 | } | |
8359 | ||
8360 | INTERCEPTOR(__sanitizer_cap_rights *, cap_rights_merge, | |
8361 | __sanitizer_cap_rights *dst, const __sanitizer_cap_rights *src) { | |
8362 | void *ctx; | |
8363 | COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_merge, dst, src); | |
8364 | if (src) | |
8365 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src)); | |
8366 | ||
8367 | __sanitizer_cap_rights *ret = REAL(cap_rights_merge)(dst, src); | |
8368 | if (dst) | |
8369 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst)); | |
8370 | ||
8371 | return ret; | |
8372 | } | |
8373 | ||
8374 | INTERCEPTOR(__sanitizer_cap_rights *, cap_rights_remove, | |
8375 | __sanitizer_cap_rights *dst, const __sanitizer_cap_rights *src) { | |
8376 | void *ctx; | |
8377 | COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_remove, dst, src); | |
8378 | if (src) | |
8379 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src)); | |
8380 | ||
8381 | __sanitizer_cap_rights *ret = REAL(cap_rights_remove)(dst, src); | |
8382 | if (dst) | |
8383 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst)); | |
8384 | ||
8385 | return ret; | |
8386 | } | |
8387 | ||
8388 | INTERCEPTOR(bool, cap_rights_contains, const __sanitizer_cap_rights *big, | |
8389 | const __sanitizer_cap_rights *little) { | |
8390 | void *ctx; | |
8391 | COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_contains, big, little); | |
8392 | if (little) | |
8393 | COMMON_INTERCEPTOR_READ_RANGE(ctx, little, sizeof(*little)); | |
8394 | if (big) | |
8395 | COMMON_INTERCEPTOR_READ_RANGE(ctx, big, sizeof(*big)); | |
8396 | ||
8397 | return REAL(cap_rights_contains)(big, little); | |
8398 | } | |
8399 | ||
8400 | INTERCEPTOR(int, cap_ioctls_limit, int fd, const uptr *cmds, SIZE_T ncmds) { | |
8401 | void *ctx; | |
8402 | COMMON_INTERCEPTOR_ENTER(ctx, cap_ioctls_limit, fd, cmds, ncmds); | |
8403 | if (cmds) | |
8404 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cmds, sizeof(*cmds) * ncmds); | |
8405 | ||
8406 | return REAL(cap_ioctls_limit)(fd, cmds, ncmds); | |
8407 | } | |
8408 | ||
8409 | INTERCEPTOR(int, cap_ioctls_get, int fd, uptr *cmds, SIZE_T maxcmds) { | |
8410 | void *ctx; | |
8411 | COMMON_INTERCEPTOR_ENTER(ctx, cap_ioctls_get, fd, cmds, maxcmds); | |
8412 | int ret = REAL(cap_ioctls_get)(fd, cmds, maxcmds); | |
8413 | if (!ret && cmds) | |
8414 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cmds, sizeof(*cmds) * maxcmds); | |
8415 | ||
8416 | return ret; | |
8417 | } | |
8418 | #define INIT_CAPSICUM \ | |
8419 | COMMON_INTERCEPT_FUNCTION(cap_rights_init); \ | |
8420 | COMMON_INTERCEPT_FUNCTION(cap_rights_set); \ | |
8421 | COMMON_INTERCEPT_FUNCTION(cap_rights_clear); \ | |
8422 | COMMON_INTERCEPT_FUNCTION(cap_rights_is_set); \ | |
8423 | COMMON_INTERCEPT_FUNCTION(cap_rights_get); \ | |
8424 | COMMON_INTERCEPT_FUNCTION(cap_rights_limit); \ | |
8425 | COMMON_INTERCEPT_FUNCTION(cap_rights_contains); \ | |
8426 | COMMON_INTERCEPT_FUNCTION(cap_rights_remove); \ | |
8427 | COMMON_INTERCEPT_FUNCTION(cap_rights_merge); \ | |
8428 | COMMON_INTERCEPT_FUNCTION(cap_rights_is_valid); \ | |
8429 | COMMON_INTERCEPT_FUNCTION(cap_ioctls_get); \ | |
8430 | COMMON_INTERCEPT_FUNCTION(cap_ioctls_limit) | |
8431 | #else | |
8432 | #define INIT_CAPSICUM | |
8433 | #endif | |
8434 | ||
8435 | #if SANITIZER_INTERCEPT_SHA1 | |
8436 | INTERCEPTOR(void, SHA1Init, void *context) { | |
8437 | void *ctx; | |
8438 | COMMON_INTERCEPTOR_ENTER(ctx, SHA1Init, context); | |
8439 | REAL(SHA1Init)(context); | |
8440 | if (context) | |
8441 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, SHA1_CTX_sz); | |
8442 | } | |
8443 | INTERCEPTOR(void, SHA1Update, void *context, const u8 *data, unsigned len) { | |
8444 | void *ctx; | |
8445 | COMMON_INTERCEPTOR_ENTER(ctx, SHA1Update, context, data, len); | |
8446 | if (data && len > 0) | |
8447 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); | |
8448 | if (context) | |
8449 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA1_CTX_sz); | |
8450 | REAL(SHA1Update)(context, data, len); | |
8451 | if (context) | |
8452 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, SHA1_CTX_sz); | |
8453 | } | |
8454 | INTERCEPTOR(void, SHA1Final, u8 digest[20], void *context) { | |
8455 | void *ctx; | |
8456 | COMMON_INTERCEPTOR_ENTER(ctx, SHA1Final, digest, context); | |
8457 | if (context) | |
8458 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA1_CTX_sz); | |
8459 | REAL(SHA1Final)(digest, context); | |
8460 | if (digest) | |
8461 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(u8) * 20); | |
8462 | } | |
8463 | INTERCEPTOR(void, SHA1Transform, u32 state[5], u8 buffer[64]) { | |
8464 | void *ctx; | |
8465 | COMMON_INTERCEPTOR_ENTER(ctx, SHA1Transform, state, buffer); | |
8466 | if (state) | |
8467 | COMMON_INTERCEPTOR_READ_RANGE(ctx, state, sizeof(u32) * 5); | |
8468 | if (buffer) | |
8469 | COMMON_INTERCEPTOR_READ_RANGE(ctx, buffer, sizeof(u8) * 64); | |
8470 | REAL(SHA1Transform)(state, buffer); | |
8471 | if (state) | |
8472 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, state, sizeof(u32) * 5); | |
8473 | } | |
8474 | INTERCEPTOR(char *, SHA1End, void *context, char *buf) { | |
8475 | void *ctx; | |
8476 | COMMON_INTERCEPTOR_ENTER(ctx, SHA1End, context, buf); | |
8477 | if (context) | |
8478 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA1_CTX_sz); | |
8479 | char *ret = REAL(SHA1End)(context, buf); | |
8480 | if (ret) | |
8481 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length); | |
8482 | return ret; | |
8483 | } | |
8484 | INTERCEPTOR(char *, SHA1File, char *filename, char *buf) { | |
8485 | void *ctx; | |
8486 | COMMON_INTERCEPTOR_ENTER(ctx, SHA1File, filename, buf); | |
8487 | if (filename) | |
8488 | COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, REAL(strlen)(filename) + 1); | |
8489 | char *ret = REAL(SHA1File)(filename, buf); | |
8490 | if (ret) | |
8491 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length); | |
8492 | return ret; | |
8493 | } | |
8494 | INTERCEPTOR(char *, SHA1FileChunk, char *filename, char *buf, OFF_T offset, | |
8495 | OFF_T length) { | |
8496 | void *ctx; | |
8497 | COMMON_INTERCEPTOR_ENTER(ctx, SHA1FileChunk, filename, buf, offset, length); | |
8498 | if (filename) | |
8499 | COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, REAL(strlen)(filename) + 1); | |
8500 | char *ret = REAL(SHA1FileChunk)(filename, buf, offset, length); | |
8501 | if (ret) | |
8502 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length); | |
8503 | return ret; | |
8504 | } | |
8505 | INTERCEPTOR(char *, SHA1Data, u8 *data, SIZE_T len, char *buf) { | |
8506 | void *ctx; | |
8507 | COMMON_INTERCEPTOR_ENTER(ctx, SHA1Data, data, len, buf); | |
8508 | if (data) | |
8509 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); | |
8510 | char *ret = REAL(SHA1Data)(data, len, buf); | |
8511 | if (ret) | |
8512 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length); | |
8513 | return ret; | |
8514 | } | |
8515 | #define INIT_SHA1 \ | |
8516 | COMMON_INTERCEPT_FUNCTION(SHA1Init); \ | |
8517 | COMMON_INTERCEPT_FUNCTION(SHA1Update); \ | |
8518 | COMMON_INTERCEPT_FUNCTION(SHA1Final); \ | |
8519 | COMMON_INTERCEPT_FUNCTION(SHA1Transform); \ | |
8520 | COMMON_INTERCEPT_FUNCTION(SHA1End); \ | |
8521 | COMMON_INTERCEPT_FUNCTION(SHA1File); \ | |
8522 | COMMON_INTERCEPT_FUNCTION(SHA1FileChunk); \ | |
8523 | COMMON_INTERCEPT_FUNCTION(SHA1Data) | |
8524 | #else | |
8525 | #define INIT_SHA1 | |
8526 | #endif | |
8527 | ||
8528 | #if SANITIZER_INTERCEPT_MD4 | |
8529 | INTERCEPTOR(void, MD4Init, void *context) { | |
8530 | void *ctx; | |
8531 | COMMON_INTERCEPTOR_ENTER(ctx, MD4Init, context); | |
8532 | REAL(MD4Init)(context); | |
8533 | if (context) | |
8534 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD4_CTX_sz); | |
8535 | } | |
8536 | ||
8537 | INTERCEPTOR(void, MD4Update, void *context, const unsigned char *data, | |
8538 | unsigned int len) { | |
8539 | void *ctx; | |
8540 | COMMON_INTERCEPTOR_ENTER(ctx, MD4Update, context, data, len); | |
8541 | if (data && len > 0) | |
8542 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); | |
8543 | if (context) | |
8544 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD4_CTX_sz); | |
8545 | REAL(MD4Update)(context, data, len); | |
8546 | if (context) | |
8547 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD4_CTX_sz); | |
8548 | } | |
8549 | ||
8550 | INTERCEPTOR(void, MD4Final, unsigned char digest[16], void *context) { | |
8551 | void *ctx; | |
8552 | COMMON_INTERCEPTOR_ENTER(ctx, MD4Final, digest, context); | |
8553 | if (context) | |
8554 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD4_CTX_sz); | |
8555 | REAL(MD4Final)(digest, context); | |
8556 | if (digest) | |
8557 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(unsigned char) * 16); | |
8558 | } | |
8559 | ||
8560 | INTERCEPTOR(char *, MD4End, void *context, char *buf) { | |
8561 | void *ctx; | |
8562 | COMMON_INTERCEPTOR_ENTER(ctx, MD4End, context, buf); | |
8563 | if (context) | |
8564 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD4_CTX_sz); | |
8565 | char *ret = REAL(MD4End)(context, buf); | |
8566 | if (ret) | |
8567 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD4_return_length); | |
8568 | return ret; | |
8569 | } | |
8570 | ||
8571 | INTERCEPTOR(char *, MD4File, const char *filename, char *buf) { | |
8572 | void *ctx; | |
8573 | COMMON_INTERCEPTOR_ENTER(ctx, MD4File, filename, buf); | |
8574 | if (filename) | |
8575 | COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, REAL(strlen)(filename) + 1); | |
8576 | char *ret = REAL(MD4File)(filename, buf); | |
8577 | if (ret) | |
8578 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD4_return_length); | |
8579 | return ret; | |
8580 | } | |
8581 | ||
8582 | INTERCEPTOR(char *, MD4Data, const unsigned char *data, unsigned int len, | |
8583 | char *buf) { | |
8584 | void *ctx; | |
8585 | COMMON_INTERCEPTOR_ENTER(ctx, MD4Data, data, len, buf); | |
8586 | if (data && len > 0) | |
8587 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); | |
8588 | char *ret = REAL(MD4Data)(data, len, buf); | |
8589 | if (ret) | |
8590 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD4_return_length); | |
8591 | return ret; | |
8592 | } | |
8593 | ||
8594 | #define INIT_MD4 \ | |
8595 | COMMON_INTERCEPT_FUNCTION(MD4Init); \ | |
8596 | COMMON_INTERCEPT_FUNCTION(MD4Update); \ | |
8597 | COMMON_INTERCEPT_FUNCTION(MD4Final); \ | |
8598 | COMMON_INTERCEPT_FUNCTION(MD4End); \ | |
8599 | COMMON_INTERCEPT_FUNCTION(MD4File); \ | |
8600 | COMMON_INTERCEPT_FUNCTION(MD4Data) | |
8601 | #else | |
8602 | #define INIT_MD4 | |
8603 | #endif | |
8604 | ||
8605 | #if SANITIZER_INTERCEPT_RMD160 | |
8606 | INTERCEPTOR(void, RMD160Init, void *context) { | |
8607 | void *ctx; | |
8608 | COMMON_INTERCEPTOR_ENTER(ctx, RMD160Init, context); | |
8609 | REAL(RMD160Init)(context); | |
8610 | if (context) | |
8611 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, RMD160_CTX_sz); | |
8612 | } | |
8613 | INTERCEPTOR(void, RMD160Update, void *context, const u8 *data, unsigned len) { | |
8614 | void *ctx; | |
8615 | COMMON_INTERCEPTOR_ENTER(ctx, RMD160Update, context, data, len); | |
8616 | if (data && len > 0) | |
8617 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); | |
8618 | if (context) | |
8619 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, RMD160_CTX_sz); | |
8620 | REAL(RMD160Update)(context, data, len); | |
8621 | if (context) | |
8622 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, RMD160_CTX_sz); | |
8623 | } | |
8624 | INTERCEPTOR(void, RMD160Final, u8 digest[20], void *context) { | |
8625 | void *ctx; | |
8626 | COMMON_INTERCEPTOR_ENTER(ctx, RMD160Final, digest, context); | |
8627 | if (context) | |
8628 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, RMD160_CTX_sz); | |
8629 | REAL(RMD160Final)(digest, context); | |
8630 | if (digest) | |
8631 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(u8) * 20); | |
8632 | } | |
8633 | INTERCEPTOR(void, RMD160Transform, u32 state[5], u16 buffer[16]) { | |
8634 | void *ctx; | |
8635 | COMMON_INTERCEPTOR_ENTER(ctx, RMD160Transform, state, buffer); | |
8636 | if (state) | |
8637 | COMMON_INTERCEPTOR_READ_RANGE(ctx, state, sizeof(u32) * 5); | |
8638 | if (buffer) | |
8639 | COMMON_INTERCEPTOR_READ_RANGE(ctx, buffer, sizeof(u32) * 16); | |
8640 | REAL(RMD160Transform)(state, buffer); | |
8641 | if (state) | |
8642 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, state, sizeof(u32) * 5); | |
8643 | } | |
8644 | INTERCEPTOR(char *, RMD160End, void *context, char *buf) { | |
8645 | void *ctx; | |
8646 | COMMON_INTERCEPTOR_ENTER(ctx, RMD160End, context, buf); | |
8647 | if (context) | |
8648 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, RMD160_CTX_sz); | |
8649 | char *ret = REAL(RMD160End)(context, buf); | |
8650 | if (ret) | |
8651 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length); | |
8652 | return ret; | |
8653 | } | |
8654 | INTERCEPTOR(char *, RMD160File, char *filename, char *buf) { | |
8655 | void *ctx; | |
8656 | COMMON_INTERCEPTOR_ENTER(ctx, RMD160File, filename, buf); | |
8657 | if (filename) | |
8658 | COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, REAL(strlen)(filename) + 1); | |
8659 | char *ret = REAL(RMD160File)(filename, buf); | |
8660 | if (ret) | |
8661 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length); | |
8662 | return ret; | |
8663 | } | |
8664 | INTERCEPTOR(char *, RMD160FileChunk, char *filename, char *buf, OFF_T offset, | |
8665 | OFF_T length) { | |
8666 | void *ctx; | |
8667 | COMMON_INTERCEPTOR_ENTER(ctx, RMD160FileChunk, filename, buf, offset, length); | |
8668 | if (filename) | |
8669 | COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, REAL(strlen)(filename) + 1); | |
8670 | char *ret = REAL(RMD160FileChunk)(filename, buf, offset, length); | |
8671 | if (ret) | |
8672 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length); | |
8673 | return ret; | |
8674 | } | |
8675 | INTERCEPTOR(char *, RMD160Data, u8 *data, SIZE_T len, char *buf) { | |
8676 | void *ctx; | |
8677 | COMMON_INTERCEPTOR_ENTER(ctx, RMD160Data, data, len, buf); | |
8678 | if (data && len > 0) | |
8679 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); | |
8680 | char *ret = REAL(RMD160Data)(data, len, buf); | |
8681 | if (ret) | |
8682 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length); | |
8683 | return ret; | |
8684 | } | |
8685 | #define INIT_RMD160 \ | |
8686 | COMMON_INTERCEPT_FUNCTION(RMD160Init); \ | |
8687 | COMMON_INTERCEPT_FUNCTION(RMD160Update); \ | |
8688 | COMMON_INTERCEPT_FUNCTION(RMD160Final); \ | |
8689 | COMMON_INTERCEPT_FUNCTION(RMD160Transform); \ | |
8690 | COMMON_INTERCEPT_FUNCTION(RMD160End); \ | |
8691 | COMMON_INTERCEPT_FUNCTION(RMD160File); \ | |
8692 | COMMON_INTERCEPT_FUNCTION(RMD160FileChunk); \ | |
8693 | COMMON_INTERCEPT_FUNCTION(RMD160Data) | |
8694 | #else | |
8695 | #define INIT_RMD160 | |
8696 | #endif | |
8697 | ||
8698 | #if SANITIZER_INTERCEPT_MD5 | |
8699 | INTERCEPTOR(void, MD5Init, void *context) { | |
8700 | void *ctx; | |
8701 | COMMON_INTERCEPTOR_ENTER(ctx, MD5Init, context); | |
8702 | REAL(MD5Init)(context); | |
8703 | if (context) | |
8704 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD5_CTX_sz); | |
8705 | } | |
8706 | ||
8707 | INTERCEPTOR(void, MD5Update, void *context, const unsigned char *data, | |
8708 | unsigned int len) { | |
8709 | void *ctx; | |
8710 | COMMON_INTERCEPTOR_ENTER(ctx, MD5Update, context, data, len); | |
8711 | if (data && len > 0) | |
8712 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); | |
8713 | if (context) | |
8714 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD5_CTX_sz); | |
8715 | REAL(MD5Update)(context, data, len); | |
8716 | if (context) | |
8717 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD5_CTX_sz); | |
8718 | } | |
8719 | ||
8720 | INTERCEPTOR(void, MD5Final, unsigned char digest[16], void *context) { | |
8721 | void *ctx; | |
8722 | COMMON_INTERCEPTOR_ENTER(ctx, MD5Final, digest, context); | |
8723 | if (context) | |
8724 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD5_CTX_sz); | |
8725 | REAL(MD5Final)(digest, context); | |
8726 | if (digest) | |
8727 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(unsigned char) * 16); | |
8728 | } | |
8729 | ||
8730 | INTERCEPTOR(char *, MD5End, void *context, char *buf) { | |
8731 | void *ctx; | |
8732 | COMMON_INTERCEPTOR_ENTER(ctx, MD5End, context, buf); | |
8733 | if (context) | |
8734 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD5_CTX_sz); | |
8735 | char *ret = REAL(MD5End)(context, buf); | |
8736 | if (ret) | |
8737 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD5_return_length); | |
8738 | return ret; | |
8739 | } | |
8740 | ||
8741 | INTERCEPTOR(char *, MD5File, const char *filename, char *buf) { | |
8742 | void *ctx; | |
8743 | COMMON_INTERCEPTOR_ENTER(ctx, MD5File, filename, buf); | |
8744 | if (filename) | |
8745 | COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, REAL(strlen)(filename) + 1); | |
8746 | char *ret = REAL(MD5File)(filename, buf); | |
8747 | if (ret) | |
8748 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD5_return_length); | |
8749 | return ret; | |
8750 | } | |
8751 | ||
8752 | INTERCEPTOR(char *, MD5Data, const unsigned char *data, unsigned int len, | |
8753 | char *buf) { | |
8754 | void *ctx; | |
8755 | COMMON_INTERCEPTOR_ENTER(ctx, MD5Data, data, len, buf); | |
8756 | if (data && len > 0) | |
8757 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); | |
8758 | char *ret = REAL(MD5Data)(data, len, buf); | |
8759 | if (ret) | |
8760 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD5_return_length); | |
8761 | return ret; | |
8762 | } | |
8763 | ||
8764 | #define INIT_MD5 \ | |
8765 | COMMON_INTERCEPT_FUNCTION(MD5Init); \ | |
8766 | COMMON_INTERCEPT_FUNCTION(MD5Update); \ | |
8767 | COMMON_INTERCEPT_FUNCTION(MD5Final); \ | |
8768 | COMMON_INTERCEPT_FUNCTION(MD5End); \ | |
8769 | COMMON_INTERCEPT_FUNCTION(MD5File); \ | |
8770 | COMMON_INTERCEPT_FUNCTION(MD5Data) | |
8771 | #else | |
8772 | #define INIT_MD5 | |
8773 | #endif | |
8774 | ||
8775 | #if SANITIZER_INTERCEPT_FSEEK | |
8776 | INTERCEPTOR(int, fseek, __sanitizer_FILE *stream, long int offset, int whence) { | |
8777 | void *ctx; | |
8778 | COMMON_INTERCEPTOR_ENTER(ctx, fseek, stream, offset, whence); | |
8779 | return REAL(fseek)(stream, offset, whence); | |
8780 | } | |
8781 | INTERCEPTOR(int, fseeko, __sanitizer_FILE *stream, OFF_T offset, int whence) { | |
8782 | void *ctx; | |
8783 | COMMON_INTERCEPTOR_ENTER(ctx, fseeko, stream, offset, whence); | |
8784 | return REAL(fseeko)(stream, offset, whence); | |
8785 | } | |
8786 | INTERCEPTOR(long int, ftell, __sanitizer_FILE *stream) { | |
8787 | void *ctx; | |
8788 | COMMON_INTERCEPTOR_ENTER(ctx, ftell, stream); | |
8789 | return REAL(ftell)(stream); | |
8790 | } | |
8791 | INTERCEPTOR(OFF_T, ftello, __sanitizer_FILE *stream) { | |
8792 | void *ctx; | |
8793 | COMMON_INTERCEPTOR_ENTER(ctx, ftello, stream); | |
8794 | return REAL(ftello)(stream); | |
8795 | } | |
8796 | INTERCEPTOR(void, rewind, __sanitizer_FILE *stream) { | |
8797 | void *ctx; | |
8798 | COMMON_INTERCEPTOR_ENTER(ctx, rewind, stream); | |
8799 | return REAL(rewind)(stream); | |
8800 | } | |
8801 | INTERCEPTOR(int, fgetpos, __sanitizer_FILE *stream, void *pos) { | |
8802 | void *ctx; | |
8803 | COMMON_INTERCEPTOR_ENTER(ctx, fgetpos, stream, pos); | |
8804 | int ret = REAL(fgetpos)(stream, pos); | |
8805 | if (pos && !ret) | |
8806 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pos, fpos_t_sz); | |
8807 | return ret; | |
8808 | } | |
8809 | INTERCEPTOR(int, fsetpos, __sanitizer_FILE *stream, const void *pos) { | |
8810 | void *ctx; | |
8811 | COMMON_INTERCEPTOR_ENTER(ctx, fsetpos, stream, pos); | |
8812 | if (pos) | |
8813 | COMMON_INTERCEPTOR_READ_RANGE(ctx, pos, fpos_t_sz); | |
8814 | return REAL(fsetpos)(stream, pos); | |
8815 | } | |
8816 | #define INIT_FSEEK \ | |
8817 | COMMON_INTERCEPT_FUNCTION(fseek); \ | |
8818 | COMMON_INTERCEPT_FUNCTION(fseeko); \ | |
8819 | COMMON_INTERCEPT_FUNCTION(ftell); \ | |
8820 | COMMON_INTERCEPT_FUNCTION(ftello); \ | |
8821 | COMMON_INTERCEPT_FUNCTION(rewind); \ | |
8822 | COMMON_INTERCEPT_FUNCTION(fgetpos); \ | |
8823 | COMMON_INTERCEPT_FUNCTION(fsetpos) | |
8824 | #else | |
8825 | #define INIT_FSEEK | |
8826 | #endif | |
8827 | ||
8828 | #if SANITIZER_INTERCEPT_MD2 | |
8829 | INTERCEPTOR(void, MD2Init, void *context) { | |
8830 | void *ctx; | |
8831 | COMMON_INTERCEPTOR_ENTER(ctx, MD2Init, context); | |
8832 | REAL(MD2Init)(context); | |
8833 | if (context) | |
8834 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD2_CTX_sz); | |
8835 | } | |
8836 | ||
8837 | INTERCEPTOR(void, MD2Update, void *context, const unsigned char *data, | |
8838 | unsigned int len) { | |
8839 | void *ctx; | |
8840 | COMMON_INTERCEPTOR_ENTER(ctx, MD2Update, context, data, len); | |
8841 | if (data && len > 0) | |
8842 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); | |
8843 | if (context) | |
8844 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD2_CTX_sz); | |
8845 | REAL(MD2Update)(context, data, len); | |
8846 | if (context) | |
8847 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD2_CTX_sz); | |
8848 | } | |
8849 | ||
8850 | INTERCEPTOR(void, MD2Final, unsigned char digest[16], void *context) { | |
8851 | void *ctx; | |
8852 | COMMON_INTERCEPTOR_ENTER(ctx, MD2Final, digest, context); | |
8853 | if (context) | |
8854 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD2_CTX_sz); | |
8855 | REAL(MD2Final)(digest, context); | |
8856 | if (digest) | |
8857 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(unsigned char) * 16); | |
8858 | } | |
8859 | ||
8860 | INTERCEPTOR(char *, MD2End, void *context, char *buf) { | |
8861 | void *ctx; | |
8862 | COMMON_INTERCEPTOR_ENTER(ctx, MD2End, context, buf); | |
8863 | if (context) | |
8864 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD2_CTX_sz); | |
8865 | char *ret = REAL(MD2End)(context, buf); | |
8866 | if (ret) | |
8867 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD2_return_length); | |
8868 | return ret; | |
8869 | } | |
8870 | ||
8871 | INTERCEPTOR(char *, MD2File, const char *filename, char *buf) { | |
8872 | void *ctx; | |
8873 | COMMON_INTERCEPTOR_ENTER(ctx, MD2File, filename, buf); | |
8874 | if (filename) | |
8875 | COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, REAL(strlen)(filename) + 1); | |
8876 | char *ret = REAL(MD2File)(filename, buf); | |
8877 | if (ret) | |
8878 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD2_return_length); | |
8879 | return ret; | |
8880 | } | |
8881 | ||
8882 | INTERCEPTOR(char *, MD2Data, const unsigned char *data, unsigned int len, | |
8883 | char *buf) { | |
8884 | void *ctx; | |
8885 | COMMON_INTERCEPTOR_ENTER(ctx, MD2Data, data, len, buf); | |
8886 | if (data && len > 0) | |
8887 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); | |
8888 | char *ret = REAL(MD2Data)(data, len, buf); | |
8889 | if (ret) | |
8890 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD2_return_length); | |
8891 | return ret; | |
8892 | } | |
8893 | ||
8894 | #define INIT_MD2 \ | |
8895 | COMMON_INTERCEPT_FUNCTION(MD2Init); \ | |
8896 | COMMON_INTERCEPT_FUNCTION(MD2Update); \ | |
8897 | COMMON_INTERCEPT_FUNCTION(MD2Final); \ | |
8898 | COMMON_INTERCEPT_FUNCTION(MD2End); \ | |
8899 | COMMON_INTERCEPT_FUNCTION(MD2File); \ | |
8900 | COMMON_INTERCEPT_FUNCTION(MD2Data) | |
8901 | #else | |
8902 | #define INIT_MD2 | |
8903 | #endif | |
8904 | ||
8905 | #if SANITIZER_INTERCEPT_SHA2 | |
8906 | #define SHA2_INTERCEPTORS(LEN, SHA2_STATE_T) \ | |
8907 | INTERCEPTOR(void, SHA##LEN##_Init, void *context) { \ | |
8908 | void *ctx; \ | |
8909 | COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_Init, context); \ | |
8910 | REAL(SHA##LEN##_Init)(context); \ | |
8911 | if (context) \ | |
8912 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, SHA##LEN##_CTX_sz); \ | |
8913 | } \ | |
8914 | INTERCEPTOR(void, SHA##LEN##_Update, void *context, \ | |
8915 | const u8 *data, SIZE_T len) { \ | |
8916 | void *ctx; \ | |
8917 | COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_Update, context, data, len); \ | |
8918 | if (data && len > 0) \ | |
8919 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); \ | |
8920 | if (context) \ | |
8921 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA##LEN##_CTX_sz); \ | |
8922 | REAL(SHA##LEN##_Update)(context, data, len); \ | |
8923 | if (context) \ | |
8924 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, SHA##LEN##_CTX_sz); \ | |
8925 | } \ | |
8926 | INTERCEPTOR(void, SHA##LEN##_Final, u8 digest[LEN/8], \ | |
8927 | void *context) { \ | |
8928 | void *ctx; \ | |
8929 | CHECK_EQ(SHA##LEN##_digest_length, LEN/8); \ | |
8930 | COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_Final, digest, context); \ | |
8931 | if (context) \ | |
8932 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA##LEN##_CTX_sz); \ | |
8933 | REAL(SHA##LEN##_Final)(digest, context); \ | |
8934 | if (digest) \ | |
8935 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, \ | |
8936 | sizeof(digest[0]) * \ | |
8937 | SHA##LEN##_digest_length); \ | |
8938 | } \ | |
8939 | INTERCEPTOR(char *, SHA##LEN##_End, void *context, char *buf) { \ | |
8940 | void *ctx; \ | |
8941 | COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_End, context, buf); \ | |
8942 | if (context) \ | |
8943 | COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA##LEN##_CTX_sz); \ | |
8944 | char *ret = REAL(SHA##LEN##_End)(context, buf); \ | |
8945 | if (ret) \ | |
8946 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA##LEN##_return_length); \ | |
8947 | return ret; \ | |
8948 | } \ | |
8949 | INTERCEPTOR(char *, SHA##LEN##_File, const char *filename, char *buf) { \ | |
8950 | void *ctx; \ | |
8951 | COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_File, filename, buf); \ | |
8952 | if (filename) \ | |
8953 | COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, REAL(strlen)(filename) + 1);\ | |
8954 | char *ret = REAL(SHA##LEN##_File)(filename, buf); \ | |
8955 | if (ret) \ | |
8956 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA##LEN##_return_length); \ | |
8957 | return ret; \ | |
8958 | } \ | |
8959 | INTERCEPTOR(char *, SHA##LEN##_FileChunk, const char *filename, char *buf, \ | |
8960 | OFF_T offset, OFF_T length) { \ | |
8961 | void *ctx; \ | |
8962 | COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_FileChunk, filename, buf, offset, \ | |
8963 | length); \ | |
8964 | if (filename) \ | |
8965 | COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, REAL(strlen)(filename) + 1);\ | |
8966 | char *ret = REAL(SHA##LEN##_FileChunk)(filename, buf, offset, length); \ | |
8967 | if (ret) \ | |
8968 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA##LEN##_return_length); \ | |
8969 | return ret; \ | |
8970 | } \ | |
8971 | INTERCEPTOR(char *, SHA##LEN##_Data, u8 *data, SIZE_T len, char *buf) { \ | |
8972 | void *ctx; \ | |
8973 | COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_Data, data, len, buf); \ | |
8974 | if (data && len > 0) \ | |
8975 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); \ | |
8976 | char *ret = REAL(SHA##LEN##_Data)(data, len, buf); \ | |
8977 | if (ret) \ | |
8978 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA##LEN##_return_length); \ | |
8979 | return ret; \ | |
8980 | } | |
8981 | ||
8982 | SHA2_INTERCEPTORS(224, u32); | |
8983 | SHA2_INTERCEPTORS(256, u32); | |
8984 | SHA2_INTERCEPTORS(384, u64); | |
8985 | SHA2_INTERCEPTORS(512, u64); | |
8986 | ||
8987 | #define INIT_SHA2_INTECEPTORS(LEN) \ | |
8988 | COMMON_INTERCEPT_FUNCTION(SHA##LEN##_Init); \ | |
8989 | COMMON_INTERCEPT_FUNCTION(SHA##LEN##_Update); \ | |
8990 | COMMON_INTERCEPT_FUNCTION(SHA##LEN##_Final); \ | |
8991 | COMMON_INTERCEPT_FUNCTION(SHA##LEN##_End); \ | |
8992 | COMMON_INTERCEPT_FUNCTION(SHA##LEN##_File); \ | |
8993 | COMMON_INTERCEPT_FUNCTION(SHA##LEN##_FileChunk); \ | |
8994 | COMMON_INTERCEPT_FUNCTION(SHA##LEN##_Data) | |
8995 | ||
8996 | #define INIT_SHA2 \ | |
8997 | INIT_SHA2_INTECEPTORS(224); \ | |
8998 | INIT_SHA2_INTECEPTORS(256); \ | |
8999 | INIT_SHA2_INTECEPTORS(384); \ | |
9000 | INIT_SHA2_INTECEPTORS(512) | |
9001 | #undef SHA2_INTERCEPTORS | |
9002 | #else | |
9003 | #define INIT_SHA2 | |
9004 | #endif | |
9005 | ||
9006 | #if SANITIZER_INTERCEPT_VIS | |
9007 | INTERCEPTOR(char *, vis, char *dst, int c, int flag, int nextc) { | |
9008 | void *ctx; | |
9009 | COMMON_INTERCEPTOR_ENTER(ctx, vis, dst, c, flag, nextc); | |
9010 | char *end = REAL(vis)(dst, c, flag, nextc); | |
9011 | // dst is NULL terminated and end points to the NULL char | |
9012 | if (dst && end) | |
9013 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, end - dst + 1); | |
9014 | return end; | |
9015 | } | |
9016 | INTERCEPTOR(char *, nvis, char *dst, SIZE_T dlen, int c, int flag, int nextc) { | |
9017 | void *ctx; | |
9018 | COMMON_INTERCEPTOR_ENTER(ctx, nvis, dst, dlen, c, flag, nextc); | |
9019 | char *end = REAL(nvis)(dst, dlen, c, flag, nextc); | |
9020 | // nvis cannot make sure the dst is NULL terminated | |
9021 | if (dst && end) | |
9022 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, end - dst + 1); | |
9023 | return end; | |
9024 | } | |
9025 | INTERCEPTOR(int, strvis, char *dst, const char *src, int flag) { | |
9026 | void *ctx; | |
9027 | COMMON_INTERCEPTOR_ENTER(ctx, strvis, dst, src, flag); | |
9028 | if (src) | |
9029 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, REAL(strlen)(src) + 1); | |
9030 | int len = REAL(strvis)(dst, src, flag); | |
9031 | if (dst) | |
9032 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1); | |
9033 | return len; | |
9034 | } | |
9035 | INTERCEPTOR(int, stravis, char **dst, const char *src, int flag) { | |
9036 | void *ctx; | |
9037 | COMMON_INTERCEPTOR_ENTER(ctx, stravis, dst, src, flag); | |
9038 | if (src) | |
9039 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, REAL(strlen)(src) + 1); | |
9040 | int len = REAL(stravis)(dst, src, flag); | |
9041 | if (dst) { | |
9042 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(char *)); | |
9043 | if (*dst) | |
9044 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *dst, len + 1); | |
9045 | } | |
9046 | return len; | |
9047 | } | |
9048 | INTERCEPTOR(int, strnvis, char *dst, SIZE_T dlen, const char *src, int flag) { | |
9049 | void *ctx; | |
9050 | COMMON_INTERCEPTOR_ENTER(ctx, strnvis, dst, dlen, src, flag); | |
9051 | if (src) | |
9052 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, REAL(strlen)(src) + 1); | |
9053 | int len = REAL(strnvis)(dst, dlen, src, flag); | |
9054 | // The interface will be valid even if there is no space for NULL char | |
9055 | if (dst && len > 0) | |
9056 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1); | |
9057 | return len; | |
9058 | } | |
9059 | INTERCEPTOR(int, strvisx, char *dst, const char *src, SIZE_T len, int flag) { | |
9060 | void *ctx; | |
9061 | COMMON_INTERCEPTOR_ENTER(ctx, strvisx, dst, src, len, flag); | |
9062 | if (src) | |
9063 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len); | |
9064 | int ret = REAL(strvisx)(dst, src, len, flag); | |
9065 | if (dst) | |
9066 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1); | |
9067 | return ret; | |
9068 | } | |
9069 | INTERCEPTOR(int, strnvisx, char *dst, SIZE_T dlen, const char *src, SIZE_T len, | |
9070 | int flag) { | |
9071 | void *ctx; | |
9072 | COMMON_INTERCEPTOR_ENTER(ctx, strnvisx, dst, dlen, src, len, flag); | |
9073 | if (src) | |
9074 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len); | |
9075 | int ret = REAL(strnvisx)(dst, dlen, src, len, flag); | |
9076 | if (dst && ret >= 0) | |
9077 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1); | |
9078 | return ret; | |
9079 | } | |
9080 | INTERCEPTOR(int, strenvisx, char *dst, SIZE_T dlen, const char *src, SIZE_T len, | |
9081 | int flag, int *cerr_ptr) { | |
9082 | void *ctx; | |
9083 | COMMON_INTERCEPTOR_ENTER(ctx, strenvisx, dst, dlen, src, len, flag, cerr_ptr); | |
9084 | if (src) | |
9085 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len); | |
9086 | // FIXME: only need to be checked when "flag | VIS_NOLOCALE" doesn't hold | |
9087 | // according to the implementation | |
9088 | if (cerr_ptr) | |
9089 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cerr_ptr, sizeof(int)); | |
9090 | int ret = REAL(strenvisx)(dst, dlen, src, len, flag, cerr_ptr); | |
9091 | if (dst && ret >= 0) | |
9092 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1); | |
9093 | if (cerr_ptr) | |
9094 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cerr_ptr, sizeof(int)); | |
9095 | return ret; | |
9096 | } | |
9097 | INTERCEPTOR(char *, svis, char *dst, int c, int flag, int nextc, | |
9098 | const char *extra) { | |
9099 | void *ctx; | |
9100 | COMMON_INTERCEPTOR_ENTER(ctx, svis, dst, c, flag, nextc, extra); | |
9101 | if (extra) | |
9102 | COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, REAL(strlen)(extra) + 1); | |
9103 | char *end = REAL(svis)(dst, c, flag, nextc, extra); | |
9104 | if (dst && end) | |
9105 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, end - dst + 1); | |
9106 | return end; | |
9107 | } | |
9108 | INTERCEPTOR(char *, snvis, char *dst, SIZE_T dlen, int c, int flag, int nextc, | |
9109 | const char *extra) { | |
9110 | void *ctx; | |
9111 | COMMON_INTERCEPTOR_ENTER(ctx, snvis, dst, dlen, c, flag, nextc, extra); | |
9112 | if (extra) | |
9113 | COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, REAL(strlen)(extra) + 1); | |
9114 | char *end = REAL(snvis)(dst, dlen, c, flag, nextc, extra); | |
9115 | if (dst && end) | |
9116 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, | |
9117 | Min((SIZE_T)(end - dst + 1), dlen)); | |
9118 | return end; | |
9119 | } | |
9120 | INTERCEPTOR(int, strsvis, char *dst, const char *src, int flag, | |
9121 | const char *extra) { | |
9122 | void *ctx; | |
9123 | COMMON_INTERCEPTOR_ENTER(ctx, strsvis, dst, src, flag, extra); | |
9124 | if (src) | |
9125 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, REAL(strlen)(src) + 1); | |
9126 | if (extra) | |
9127 | COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, REAL(strlen)(extra) + 1); | |
9128 | int len = REAL(strsvis)(dst, src, flag, extra); | |
9129 | if (dst) | |
9130 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1); | |
9131 | return len; | |
9132 | } | |
9133 | INTERCEPTOR(int, strsnvis, char *dst, SIZE_T dlen, const char *src, int flag, | |
9134 | const char *extra) { | |
9135 | void *ctx; | |
9136 | COMMON_INTERCEPTOR_ENTER(ctx, strsnvis, dst, dlen, src, flag, extra); | |
9137 | if (src) | |
9138 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, REAL(strlen)(src) + 1); | |
9139 | if (extra) | |
9140 | COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, REAL(strlen)(extra) + 1); | |
9141 | int len = REAL(strsnvis)(dst, dlen, src, flag, extra); | |
9142 | // The interface will be valid even if there is no space for NULL char | |
9143 | if (dst && len >= 0) | |
9144 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1); | |
9145 | return len; | |
9146 | } | |
9147 | INTERCEPTOR(int, strsvisx, char *dst, const char *src, SIZE_T len, int flag, | |
9148 | const char *extra) { | |
9149 | void *ctx; | |
9150 | COMMON_INTERCEPTOR_ENTER(ctx, strsvisx, dst, src, len, flag, extra); | |
9151 | if (src) | |
9152 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len); | |
9153 | if (extra) | |
9154 | COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, REAL(strlen)(extra) + 1); | |
9155 | int ret = REAL(strsvisx)(dst, src, len, flag, extra); | |
9156 | if (dst) | |
9157 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1); | |
9158 | return ret; | |
9159 | } | |
9160 | INTERCEPTOR(int, strsnvisx, char *dst, SIZE_T dlen, const char *src, SIZE_T len, | |
9161 | int flag, const char *extra) { | |
9162 | void *ctx; | |
9163 | COMMON_INTERCEPTOR_ENTER(ctx, strsnvisx, dst, dlen, src, len, flag, extra); | |
9164 | if (src) | |
9165 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len); | |
9166 | if (extra) | |
9167 | COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, REAL(strlen)(extra) + 1); | |
9168 | int ret = REAL(strsnvisx)(dst, dlen, src, len, flag, extra); | |
9169 | if (dst && ret >= 0) | |
9170 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1); | |
9171 | return ret; | |
9172 | } | |
9173 | INTERCEPTOR(int, strsenvisx, char *dst, SIZE_T dlen, const char *src, | |
9174 | SIZE_T len, int flag, const char *extra, int *cerr_ptr) { | |
9175 | void *ctx; | |
9176 | COMMON_INTERCEPTOR_ENTER(ctx, strsenvisx, dst, dlen, src, len, flag, extra, | |
9177 | cerr_ptr); | |
9178 | if (src) | |
9179 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len); | |
9180 | if (extra) | |
9181 | COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, REAL(strlen)(extra) + 1); | |
9182 | // FIXME: only need to be checked when "flag | VIS_NOLOCALE" doesn't hold | |
9183 | // according to the implementation | |
9184 | if (cerr_ptr) | |
9185 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cerr_ptr, sizeof(int)); | |
9186 | int ret = REAL(strsenvisx)(dst, dlen, src, len, flag, extra, cerr_ptr); | |
9187 | if (dst && ret >= 0) | |
9188 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1); | |
9189 | if (cerr_ptr) | |
9190 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cerr_ptr, sizeof(int)); | |
9191 | return ret; | |
9192 | } | |
9193 | INTERCEPTOR(int, unvis, char *cp, int c, int *astate, int flag) { | |
9194 | void *ctx; | |
9195 | COMMON_INTERCEPTOR_ENTER(ctx, unvis, cp, c, astate, flag); | |
9196 | if (astate) | |
9197 | COMMON_INTERCEPTOR_READ_RANGE(ctx, astate, sizeof(*astate)); | |
9198 | int ret = REAL(unvis)(cp, c, astate, flag); | |
9199 | if (ret == unvis_valid || ret == unvis_validpush) { | |
9200 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cp, sizeof(*cp)); | |
9201 | } | |
9202 | return ret; | |
9203 | } | |
9204 | INTERCEPTOR(int, strunvis, char *dst, const char *src) { | |
9205 | void *ctx; | |
9206 | COMMON_INTERCEPTOR_ENTER(ctx, strunvis, dst, src); | |
9207 | if (src) | |
9208 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, REAL(strlen)(src) + 1); | |
9209 | int ret = REAL(strunvis)(dst, src); | |
9210 | if (ret != -1) | |
9211 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1); | |
9212 | return ret; | |
9213 | } | |
9214 | INTERCEPTOR(int, strnunvis, char *dst, SIZE_T dlen, const char *src) { | |
9215 | void *ctx; | |
9216 | COMMON_INTERCEPTOR_ENTER(ctx, strnunvis, dst, dlen, src); | |
9217 | if (src) | |
9218 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, REAL(strlen)(src) + 1); | |
9219 | int ret = REAL(strnunvis)(dst, dlen, src); | |
9220 | if (ret != -1) | |
9221 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1); | |
9222 | return ret; | |
9223 | } | |
9224 | INTERCEPTOR(int, strunvisx, char *dst, const char *src, int flag) { | |
9225 | void *ctx; | |
9226 | COMMON_INTERCEPTOR_ENTER(ctx, strunvisx, dst, src, flag); | |
9227 | if (src) | |
9228 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, REAL(strlen)(src) + 1); | |
9229 | int ret = REAL(strunvisx)(dst, src, flag); | |
9230 | if (ret != -1) | |
9231 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1); | |
9232 | return ret; | |
9233 | } | |
9234 | INTERCEPTOR(int, strnunvisx, char *dst, SIZE_T dlen, const char *src, | |
9235 | int flag) { | |
9236 | void *ctx; | |
9237 | COMMON_INTERCEPTOR_ENTER(ctx, strnunvisx, dst, dlen, src, flag); | |
9238 | if (src) | |
9239 | COMMON_INTERCEPTOR_READ_RANGE(ctx, src, REAL(strlen)(src) + 1); | |
9240 | int ret = REAL(strnunvisx)(dst, dlen, src, flag); | |
9241 | if (ret != -1) | |
9242 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1); | |
9243 | return ret; | |
9244 | } | |
9245 | #define INIT_VIS \ | |
9246 | COMMON_INTERCEPT_FUNCTION(vis); \ | |
9247 | COMMON_INTERCEPT_FUNCTION(nvis); \ | |
9248 | COMMON_INTERCEPT_FUNCTION(strvis); \ | |
9249 | COMMON_INTERCEPT_FUNCTION(stravis); \ | |
9250 | COMMON_INTERCEPT_FUNCTION(strnvis); \ | |
9251 | COMMON_INTERCEPT_FUNCTION(strvisx); \ | |
9252 | COMMON_INTERCEPT_FUNCTION(strnvisx); \ | |
9253 | COMMON_INTERCEPT_FUNCTION(strenvisx); \ | |
9254 | COMMON_INTERCEPT_FUNCTION(svis); \ | |
9255 | COMMON_INTERCEPT_FUNCTION(snvis); \ | |
9256 | COMMON_INTERCEPT_FUNCTION(strsvis); \ | |
9257 | COMMON_INTERCEPT_FUNCTION(strsnvis); \ | |
9258 | COMMON_INTERCEPT_FUNCTION(strsvisx); \ | |
9259 | COMMON_INTERCEPT_FUNCTION(strsnvisx); \ | |
9260 | COMMON_INTERCEPT_FUNCTION(strsenvisx); \ | |
9261 | COMMON_INTERCEPT_FUNCTION(unvis); \ | |
9262 | COMMON_INTERCEPT_FUNCTION(strunvis); \ | |
9263 | COMMON_INTERCEPT_FUNCTION(strnunvis); \ | |
9264 | COMMON_INTERCEPT_FUNCTION(strunvisx); \ | |
9265 | COMMON_INTERCEPT_FUNCTION(strnunvisx) | |
9266 | #else | |
9267 | #define INIT_VIS | |
9268 | #endif | |
9269 | ||
9270 | #if SANITIZER_INTERCEPT_CDB | |
9271 | INTERCEPTOR(struct __sanitizer_cdbr *, cdbr_open, const char *path, int flags) { | |
9272 | void *ctx; | |
9273 | COMMON_INTERCEPTOR_ENTER(ctx, cdbr_open, path, flags); | |
9274 | if (path) | |
9275 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
9276 | struct __sanitizer_cdbr *cdbr = REAL(cdbr_open)(path, flags); | |
9277 | if (cdbr) | |
9278 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbr, sizeof(*cdbr)); | |
9279 | return cdbr; | |
9280 | } | |
9281 | ||
9282 | INTERCEPTOR(struct __sanitizer_cdbr *, cdbr_open_mem, void *base, SIZE_T size, | |
9283 | int flags, void (*unmap)(void *, void *, SIZE_T), void *cookie) { | |
9284 | void *ctx; | |
9285 | COMMON_INTERCEPTOR_ENTER(ctx, cdbr_open_mem, base, size, flags, unmap, | |
9286 | cookie); | |
9287 | if (base && size) | |
9288 | COMMON_INTERCEPTOR_READ_RANGE(ctx, base, size); | |
9289 | struct __sanitizer_cdbr *cdbr = | |
9290 | REAL(cdbr_open_mem)(base, size, flags, unmap, cookie); | |
9291 | if (cdbr) | |
9292 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbr, sizeof(*cdbr)); | |
9293 | return cdbr; | |
9294 | } | |
9295 | ||
9296 | INTERCEPTOR(u32, cdbr_entries, struct __sanitizer_cdbr *cdbr) { | |
9297 | void *ctx; | |
9298 | COMMON_INTERCEPTOR_ENTER(ctx, cdbr_entries, cdbr); | |
9299 | if (cdbr) | |
9300 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr)); | |
9301 | return REAL(cdbr_entries)(cdbr); | |
9302 | } | |
9303 | ||
9304 | INTERCEPTOR(int, cdbr_get, struct __sanitizer_cdbr *cdbr, u32 index, | |
9305 | const void **data, SIZE_T *datalen) { | |
9306 | void *ctx; | |
9307 | COMMON_INTERCEPTOR_ENTER(ctx, cdbr_get, cdbr, index, data, datalen); | |
9308 | if (cdbr) | |
9309 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr)); | |
9310 | int ret = REAL(cdbr_get)(cdbr, index, data, datalen); | |
9311 | if (!ret) { | |
9312 | if (data) | |
9313 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, sizeof(*data)); | |
9314 | if (datalen) | |
9315 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, datalen, sizeof(*datalen)); | |
9316 | if (data && datalen) | |
9317 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *data, *datalen); | |
9318 | } | |
9319 | return ret; | |
9320 | } | |
9321 | ||
9322 | INTERCEPTOR(int, cdbr_find, struct __sanitizer_cdbr *cdbr, const void *key, | |
9323 | SIZE_T keylen, const void **data, SIZE_T *datalen) { | |
9324 | void *ctx; | |
9325 | COMMON_INTERCEPTOR_ENTER(ctx, cdbr_find, cdbr, key, keylen, data, datalen); | |
9326 | if (cdbr) | |
9327 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr)); | |
9328 | if (key) | |
9329 | COMMON_INTERCEPTOR_READ_RANGE(ctx, key, keylen); | |
9330 | int ret = REAL(cdbr_find)(cdbr, key, keylen, data, datalen); | |
9331 | if (!ret) { | |
9332 | if (data) | |
9333 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, sizeof(*data)); | |
9334 | if (datalen) | |
9335 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, datalen, sizeof(*datalen)); | |
9336 | if (data && datalen) | |
9337 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *data, *datalen); | |
9338 | } | |
9339 | return ret; | |
9340 | } | |
9341 | ||
9342 | INTERCEPTOR(void, cdbr_close, struct __sanitizer_cdbr *cdbr) { | |
9343 | void *ctx; | |
9344 | COMMON_INTERCEPTOR_ENTER(ctx, cdbr_close, cdbr); | |
9345 | if (cdbr) | |
9346 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr)); | |
9347 | REAL(cdbr_close)(cdbr); | |
9348 | } | |
9349 | ||
9350 | INTERCEPTOR(struct __sanitizer_cdbw *, cdbw_open) { | |
9351 | void *ctx; | |
9352 | COMMON_INTERCEPTOR_ENTER(ctx, cdbw_open); | |
9353 | struct __sanitizer_cdbw *ret = REAL(cdbw_open)(); | |
9354 | if (ret) | |
9355 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret)); | |
9356 | return ret; | |
9357 | } | |
9358 | ||
9359 | INTERCEPTOR(int, cdbw_put, struct __sanitizer_cdbw *cdbw, const void *key, | |
9360 | SIZE_T keylen, const void *data, SIZE_T datalen) { | |
9361 | void *ctx; | |
9362 | COMMON_INTERCEPTOR_ENTER(ctx, cdbw_put, cdbw, key, keylen, data, datalen); | |
9363 | if (cdbw) | |
9364 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw)); | |
9365 | if (data && datalen) | |
9366 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, datalen); | |
9367 | if (key && keylen) | |
9368 | COMMON_INTERCEPTOR_READ_RANGE(ctx, key, keylen); | |
9369 | int ret = REAL(cdbw_put)(cdbw, key, keylen, data, datalen); | |
9370 | if (!ret && cdbw) | |
9371 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw)); | |
9372 | return ret; | |
9373 | } | |
9374 | ||
9375 | INTERCEPTOR(int, cdbw_put_data, struct __sanitizer_cdbw *cdbw, const void *data, | |
9376 | SIZE_T datalen, u32 *index) { | |
9377 | void *ctx; | |
9378 | COMMON_INTERCEPTOR_ENTER(ctx, cdbw_put_data, cdbw, data, datalen, index); | |
9379 | if (cdbw) | |
9380 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw)); | |
9381 | if (data && datalen) | |
9382 | COMMON_INTERCEPTOR_READ_RANGE(ctx, data, datalen); | |
9383 | int ret = REAL(cdbw_put_data)(cdbw, data, datalen, index); | |
9384 | if (!ret) { | |
9385 | if (index) | |
9386 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, index, sizeof(*index)); | |
9387 | if (cdbw) | |
9388 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw)); | |
9389 | } | |
9390 | return ret; | |
9391 | } | |
9392 | ||
9393 | INTERCEPTOR(int, cdbw_put_key, struct __sanitizer_cdbw *cdbw, const void *key, | |
9394 | SIZE_T keylen, u32 index) { | |
9395 | void *ctx; | |
9396 | COMMON_INTERCEPTOR_ENTER(ctx, cdbw_put_key, cdbw, key, keylen, index); | |
9397 | if (cdbw) | |
9398 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw)); | |
9399 | if (key && keylen) | |
9400 | COMMON_INTERCEPTOR_READ_RANGE(ctx, key, keylen); | |
9401 | int ret = REAL(cdbw_put_key)(cdbw, key, keylen, index); | |
9402 | if (!ret && cdbw) | |
9403 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw)); | |
9404 | return ret; | |
9405 | } | |
9406 | ||
9407 | INTERCEPTOR(int, cdbw_output, struct __sanitizer_cdbw *cdbw, int output, | |
9408 | const char descr[16], u32 (*seedgen)(void)) { | |
9409 | void *ctx; | |
9410 | COMMON_INTERCEPTOR_ENTER(ctx, cdbw_output, cdbw, output, descr, seedgen); | |
9411 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, output); | |
9412 | if (cdbw) | |
9413 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw)); | |
9414 | if (descr) | |
9415 | COMMON_INTERCEPTOR_READ_RANGE(ctx, descr, internal_strnlen(descr, 16)); | |
9416 | if (seedgen) | |
9417 | COMMON_INTERCEPTOR_READ_RANGE(ctx, (void *)seedgen, sizeof(seedgen)); | |
9418 | int ret = REAL(cdbw_output)(cdbw, output, descr, seedgen); | |
9419 | if (!ret) { | |
9420 | if (cdbw) | |
9421 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw)); | |
9422 | if (output >= 0) | |
9423 | COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, output); | |
9424 | } | |
9425 | return ret; | |
9426 | } | |
9427 | ||
9428 | INTERCEPTOR(void, cdbw_close, struct __sanitizer_cdbw *cdbw) { | |
9429 | void *ctx; | |
9430 | COMMON_INTERCEPTOR_ENTER(ctx, cdbw_close, cdbw); | |
9431 | if (cdbw) | |
9432 | COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw)); | |
9433 | REAL(cdbw_close)(cdbw); | |
9434 | } | |
9435 | ||
9436 | #define INIT_CDB \ | |
9437 | COMMON_INTERCEPT_FUNCTION(cdbr_open); \ | |
9438 | COMMON_INTERCEPT_FUNCTION(cdbr_open_mem); \ | |
9439 | COMMON_INTERCEPT_FUNCTION(cdbr_entries); \ | |
9440 | COMMON_INTERCEPT_FUNCTION(cdbr_get); \ | |
9441 | COMMON_INTERCEPT_FUNCTION(cdbr_find); \ | |
9442 | COMMON_INTERCEPT_FUNCTION(cdbr_close); \ | |
9443 | COMMON_INTERCEPT_FUNCTION(cdbw_open); \ | |
9444 | COMMON_INTERCEPT_FUNCTION(cdbw_put); \ | |
9445 | COMMON_INTERCEPT_FUNCTION(cdbw_put_data); \ | |
9446 | COMMON_INTERCEPT_FUNCTION(cdbw_put_key); \ | |
9447 | COMMON_INTERCEPT_FUNCTION(cdbw_output); \ | |
9448 | COMMON_INTERCEPT_FUNCTION(cdbw_close) | |
9449 | #else | |
9450 | #define INIT_CDB | |
9451 | #endif | |
9452 | ||
9453 | #if SANITIZER_INTERCEPT_GETFSENT | |
9454 | INTERCEPTOR(void *, getfsent) { | |
9455 | void *ctx; | |
9456 | COMMON_INTERCEPTOR_ENTER(ctx, getfsent); | |
9457 | void *ret = REAL(getfsent)(); | |
9458 | if (ret) | |
9459 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, struct_fstab_sz); | |
9460 | return ret; | |
9461 | } | |
9462 | ||
9463 | INTERCEPTOR(void *, getfsspec, const char *spec) { | |
9464 | void *ctx; | |
9465 | COMMON_INTERCEPTOR_ENTER(ctx, getfsspec, spec); | |
9466 | if (spec) | |
9467 | COMMON_INTERCEPTOR_READ_RANGE(ctx, spec, REAL(strlen)(spec) + 1); | |
9468 | void *ret = REAL(getfsspec)(spec); | |
9469 | if (ret) | |
9470 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, struct_fstab_sz); | |
9471 | return ret; | |
9472 | } | |
9473 | ||
9474 | INTERCEPTOR(void *, getfsfile, const char *file) { | |
9475 | void *ctx; | |
9476 | COMMON_INTERCEPTOR_ENTER(ctx, getfsfile, file); | |
9477 | if (file) | |
9478 | COMMON_INTERCEPTOR_READ_RANGE(ctx, file, REAL(strlen)(file) + 1); | |
9479 | void *ret = REAL(getfsfile)(file); | |
9480 | if (ret) | |
9481 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, struct_fstab_sz); | |
9482 | return ret; | |
9483 | } | |
9484 | ||
9485 | #define INIT_GETFSENT \ | |
9486 | COMMON_INTERCEPT_FUNCTION(getfsent); \ | |
9487 | COMMON_INTERCEPT_FUNCTION(getfsspec); \ | |
9488 | COMMON_INTERCEPT_FUNCTION(getfsfile); | |
9489 | #else | |
9490 | #define INIT_GETFSENT | |
9491 | #endif | |
9492 | ||
9493 | #if SANITIZER_INTERCEPT_ARC4RANDOM | |
9494 | INTERCEPTOR(void, arc4random_buf, void *buf, SIZE_T len) { | |
9495 | void *ctx; | |
9496 | COMMON_INTERCEPTOR_ENTER(ctx, arc4random_buf, buf, len); | |
9497 | REAL(arc4random_buf)(buf, len); | |
9498 | if (buf && len) | |
9499 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, len); | |
9500 | } | |
9501 | ||
9502 | INTERCEPTOR(void, arc4random_addrandom, u8 *dat, int datlen) { | |
9503 | void *ctx; | |
9504 | COMMON_INTERCEPTOR_ENTER(ctx, arc4random_addrandom, dat, datlen); | |
9505 | if (dat && datlen) | |
9506 | COMMON_INTERCEPTOR_READ_RANGE(ctx, dat, datlen); | |
9507 | REAL(arc4random_addrandom)(dat, datlen); | |
9508 | } | |
9509 | ||
9510 | #define INIT_ARC4RANDOM \ | |
9511 | COMMON_INTERCEPT_FUNCTION(arc4random_buf); \ | |
9512 | COMMON_INTERCEPT_FUNCTION(arc4random_addrandom); | |
9513 | #else | |
9514 | #define INIT_ARC4RANDOM | |
9515 | #endif | |
9516 | ||
9517 | #if SANITIZER_INTERCEPT_POPEN | |
9518 | INTERCEPTOR(__sanitizer_FILE *, popen, const char *command, const char *type) { | |
9519 | void *ctx; | |
9520 | COMMON_INTERCEPTOR_ENTER(ctx, popen, command, type); | |
9521 | if (command) | |
9522 | COMMON_INTERCEPTOR_READ_RANGE(ctx, command, REAL(strlen)(command) + 1); | |
9523 | if (type) | |
9524 | COMMON_INTERCEPTOR_READ_RANGE(ctx, type, REAL(strlen)(type) + 1); | |
9525 | __sanitizer_FILE *res = REAL(popen)(command, type); | |
9526 | COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, nullptr); | |
9527 | if (res) unpoison_file(res); | |
9528 | return res; | |
9529 | } | |
9530 | #define INIT_POPEN COMMON_INTERCEPT_FUNCTION(popen) | |
9531 | #else | |
9532 | #define INIT_POPEN | |
9533 | #endif | |
9534 | ||
9535 | #if SANITIZER_INTERCEPT_POPENVE | |
9536 | INTERCEPTOR(__sanitizer_FILE *, popenve, const char *path, | |
9537 | char *const *argv, char *const *envp, const char *type) { | |
9538 | void *ctx; | |
9539 | COMMON_INTERCEPTOR_ENTER(ctx, popenve, path, argv, envp, type); | |
9540 | if (path) | |
9541 | COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1); | |
9542 | if (argv) { | |
9543 | for (char *const *pa = argv; ; ++pa) { | |
9544 | COMMON_INTERCEPTOR_READ_RANGE(ctx, pa, sizeof(char **)); | |
9545 | if (!*pa) | |
9546 | break; | |
9547 | COMMON_INTERCEPTOR_READ_RANGE(ctx, *pa, REAL(strlen)(*pa) + 1); | |
9548 | } | |
9549 | } | |
9550 | if (envp) { | |
9551 | for (char *const *pa = envp; ; ++pa) { | |
9552 | COMMON_INTERCEPTOR_READ_RANGE(ctx, pa, sizeof(char **)); | |
9553 | if (!*pa) | |
9554 | break; | |
9555 | COMMON_INTERCEPTOR_READ_RANGE(ctx, *pa, REAL(strlen)(*pa) + 1); | |
9556 | } | |
9557 | } | |
9558 | if (type) | |
9559 | COMMON_INTERCEPTOR_READ_RANGE(ctx, type, REAL(strlen)(type) + 1); | |
9560 | __sanitizer_FILE *res = REAL(popenve)(path, argv, envp, type); | |
9561 | COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, nullptr); | |
9562 | if (res) unpoison_file(res); | |
9563 | return res; | |
9564 | } | |
9565 | #define INIT_POPENVE COMMON_INTERCEPT_FUNCTION(popenve) | |
9566 | #else | |
9567 | #define INIT_POPENVE | |
9568 | #endif | |
9569 | ||
9570 | #if SANITIZER_INTERCEPT_PCLOSE | |
9571 | INTERCEPTOR(int, pclose, __sanitizer_FILE *fp) { | |
9572 | void *ctx; | |
9573 | COMMON_INTERCEPTOR_ENTER(ctx, pclose, fp); | |
9574 | COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp); | |
9575 | const FileMetadata *m = GetInterceptorMetadata(fp); | |
9576 | int res = REAL(pclose)(fp); | |
9577 | if (m) { | |
9578 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(*m->addr, *m->size); | |
9579 | DeleteInterceptorMetadata(fp); | |
9580 | } | |
9581 | return res; | |
9582 | } | |
9583 | #define INIT_PCLOSE COMMON_INTERCEPT_FUNCTION(pclose); | |
9584 | #else | |
9585 | #define INIT_PCLOSE | |
9586 | #endif | |
9587 | ||
9588 | #if SANITIZER_INTERCEPT_FUNOPEN | |
9589 | typedef int (*funopen_readfn)(void *cookie, char *buf, int len); | |
9590 | typedef int (*funopen_writefn)(void *cookie, const char *buf, int len); | |
9591 | typedef OFF_T (*funopen_seekfn)(void *cookie, OFF_T offset, int whence); | |
9592 | typedef int (*funopen_closefn)(void *cookie); | |
9593 | ||
9594 | struct WrappedFunopenCookie { | |
9595 | void *real_cookie; | |
9596 | funopen_readfn real_read; | |
9597 | funopen_writefn real_write; | |
9598 | funopen_seekfn real_seek; | |
9599 | funopen_closefn real_close; | |
9600 | }; | |
9601 | ||
9602 | static int wrapped_funopen_read(void *cookie, char *buf, int len) { | |
9603 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
9604 | WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie; | |
9605 | funopen_readfn real_read = wrapped_cookie->real_read; | |
9606 | return real_read(wrapped_cookie->real_cookie, buf, len); | |
9607 | } | |
9608 | ||
9609 | static int wrapped_funopen_write(void *cookie, const char *buf, int len) { | |
9610 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
9611 | WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie; | |
9612 | funopen_writefn real_write = wrapped_cookie->real_write; | |
9613 | return real_write(wrapped_cookie->real_cookie, buf, len); | |
9614 | } | |
9615 | ||
9616 | static OFF_T wrapped_funopen_seek(void *cookie, OFF_T offset, int whence) { | |
9617 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
9618 | WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie; | |
9619 | funopen_seekfn real_seek = wrapped_cookie->real_seek; | |
9620 | return real_seek(wrapped_cookie->real_cookie, offset, whence); | |
9621 | } | |
9622 | ||
9623 | static int wrapped_funopen_close(void *cookie) { | |
9624 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); | |
9625 | WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie; | |
9626 | funopen_closefn real_close = wrapped_cookie->real_close; | |
9627 | int res = real_close(wrapped_cookie->real_cookie); | |
9628 | InternalFree(wrapped_cookie); | |
9629 | return res; | |
9630 | } | |
9631 | ||
9632 | INTERCEPTOR(__sanitizer_FILE *, funopen, void *cookie, funopen_readfn readfn, | |
9633 | funopen_writefn writefn, funopen_seekfn seekfn, | |
9634 | funopen_closefn closefn) { | |
9635 | void *ctx; | |
9636 | COMMON_INTERCEPTOR_ENTER(ctx, funopen, cookie, readfn, writefn, seekfn, | |
9637 | closefn); | |
9638 | ||
9639 | WrappedFunopenCookie *wrapped_cookie = | |
9640 | (WrappedFunopenCookie *)InternalAlloc(sizeof(WrappedFunopenCookie)); | |
9641 | wrapped_cookie->real_cookie = cookie; | |
9642 | wrapped_cookie->real_read = readfn; | |
9643 | wrapped_cookie->real_write = writefn; | |
9644 | wrapped_cookie->real_seek = seekfn; | |
9645 | wrapped_cookie->real_close = closefn; | |
9646 | ||
9647 | __sanitizer_FILE *res = | |
9648 | REAL(funopen)(wrapped_cookie, | |
9649 | readfn ? wrapped_funopen_read : nullptr, | |
9650 | writefn ? wrapped_funopen_write : nullptr, | |
9651 | seekfn ? wrapped_funopen_seek : nullptr, | |
9652 | closefn ? wrapped_funopen_close : nullptr); | |
9653 | if (res) | |
9654 | unpoison_file(res); | |
9655 | return res; | |
9656 | } | |
9657 | #define INIT_FUNOPEN COMMON_INTERCEPT_FUNCTION(funopen) | |
9658 | #else | |
9659 | #define INIT_FUNOPEN | |
9660 | #endif | |
9661 | ||
9662 | #if SANITIZER_INTERCEPT_FUNOPEN2 | |
9663 | typedef SSIZE_T (*funopen2_readfn)(void *cookie, void *buf, SIZE_T len); | |
9664 | typedef SSIZE_T (*funopen2_writefn)(void *cookie, const void *buf, SIZE_T len); | |
9665 | typedef OFF_T (*funopen2_seekfn)(void *cookie, OFF_T offset, int whence); | |
9666 | typedef int (*funopen2_flushfn)(void *cookie); | |
9667 | typedef int (*funopen2_closefn)(void *cookie); | |
9668 | ||
9669 | struct WrappedFunopen2Cookie { | |
9670 | void *real_cookie; | |
9671 | funopen2_readfn real_read; | |
9672 | funopen2_writefn real_write; | |
9673 | funopen2_seekfn real_seek; | |
9674 | funopen2_flushfn real_flush; | |
9675 | funopen2_closefn real_close; | |
9676 | }; | |
9677 | ||
9678 | static SSIZE_T wrapped_funopen2_read(void *cookie, void *buf, SIZE_T len) { | |
9679 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
9680 | WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie; | |
9681 | funopen2_readfn real_read = wrapped_cookie->real_read; | |
9682 | return real_read(wrapped_cookie->real_cookie, buf, len); | |
9683 | } | |
9684 | ||
9685 | static SSIZE_T wrapped_funopen2_write(void *cookie, const void *buf, | |
9686 | SIZE_T len) { | |
9687 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
9688 | WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie; | |
9689 | funopen2_writefn real_write = wrapped_cookie->real_write; | |
9690 | return real_write(wrapped_cookie->real_cookie, buf, len); | |
9691 | } | |
9692 | ||
9693 | static OFF_T wrapped_funopen2_seek(void *cookie, OFF_T offset, int whence) { | |
9694 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
9695 | WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie; | |
9696 | funopen2_seekfn real_seek = wrapped_cookie->real_seek; | |
9697 | return real_seek(wrapped_cookie->real_cookie, offset, whence); | |
9698 | } | |
9699 | ||
9700 | static int wrapped_funopen2_flush(void *cookie) { | |
9701 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); | |
9702 | WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie; | |
9703 | funopen2_flushfn real_flush = wrapped_cookie->real_flush; | |
9704 | return real_flush(wrapped_cookie->real_cookie); | |
9705 | } | |
9706 | ||
9707 | static int wrapped_funopen2_close(void *cookie) { | |
9708 | COMMON_INTERCEPTOR_UNPOISON_PARAM(1); | |
9709 | WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie; | |
9710 | funopen2_closefn real_close = wrapped_cookie->real_close; | |
9711 | int res = real_close(wrapped_cookie->real_cookie); | |
9712 | InternalFree(wrapped_cookie); | |
9713 | return res; | |
9714 | } | |
9715 | ||
9716 | INTERCEPTOR(__sanitizer_FILE *, funopen2, void *cookie, funopen2_readfn readfn, | |
9717 | funopen2_writefn writefn, funopen2_seekfn seekfn, | |
9718 | funopen2_flushfn flushfn, funopen2_closefn closefn) { | |
9719 | void *ctx; | |
9720 | COMMON_INTERCEPTOR_ENTER(ctx, funopen2, cookie, readfn, writefn, seekfn, | |
9721 | flushfn, closefn); | |
9722 | ||
9723 | WrappedFunopen2Cookie *wrapped_cookie = | |
9724 | (WrappedFunopen2Cookie *)InternalAlloc(sizeof(WrappedFunopen2Cookie)); | |
9725 | wrapped_cookie->real_cookie = cookie; | |
9726 | wrapped_cookie->real_read = readfn; | |
9727 | wrapped_cookie->real_write = writefn; | |
9728 | wrapped_cookie->real_seek = seekfn; | |
9729 | wrapped_cookie->real_flush = flushfn; | |
9730 | wrapped_cookie->real_close = closefn; | |
9731 | ||
9732 | __sanitizer_FILE *res = | |
9733 | REAL(funopen2)(wrapped_cookie, | |
9734 | readfn ? wrapped_funopen2_read : nullptr, | |
9735 | writefn ? wrapped_funopen2_write : nullptr, | |
9736 | seekfn ? wrapped_funopen2_seek : nullptr, | |
9737 | flushfn ? wrapped_funopen2_flush : nullptr, | |
9738 | closefn ? wrapped_funopen2_close : nullptr); | |
9739 | if (res) | |
9740 | unpoison_file(res); | |
9741 | return res; | |
9742 | } | |
9743 | #define INIT_FUNOPEN2 COMMON_INTERCEPT_FUNCTION(funopen2) | |
9744 | #else | |
9745 | #define INIT_FUNOPEN2 | |
9746 | #endif | |
9747 | ||
9748 | #if SANITIZER_INTERCEPT_FDEVNAME | |
9749 | INTERCEPTOR(char *, fdevname, int fd) { | |
9750 | void *ctx; | |
9751 | COMMON_INTERCEPTOR_ENTER(ctx, fdevname, fd); | |
9752 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
9753 | char *name = REAL(fdevname)(fd); | |
9754 | if (name) { | |
9755 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, REAL(strlen)(name) + 1); | |
9756 | if (fd > 0) | |
9757 | COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
9758 | } | |
9759 | return name; | |
9760 | } | |
9761 | ||
9762 | INTERCEPTOR(char *, fdevname_r, int fd, char *buf, SIZE_T len) { | |
9763 | void *ctx; | |
9764 | COMMON_INTERCEPTOR_ENTER(ctx, fdevname_r, fd, buf, len); | |
9765 | COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd); | |
9766 | char *name = REAL(fdevname_r)(fd, buf, len); | |
9767 | if (name && buf && len > 0) { | |
9768 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, REAL(strlen)(buf) + 1); | |
9769 | if (fd > 0) | |
9770 | COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd); | |
9771 | } | |
9772 | return name; | |
9773 | } | |
9774 | ||
9775 | #define INIT_FDEVNAME \ | |
9776 | COMMON_INTERCEPT_FUNCTION(fdevname); \ | |
9777 | COMMON_INTERCEPT_FUNCTION(fdevname_r); | |
9778 | #else | |
9779 | #define INIT_FDEVNAME | |
9780 | #endif | |
9781 | ||
9782 | #if SANITIZER_INTERCEPT_GETUSERSHELL | |
9783 | INTERCEPTOR(char *, getusershell) { | |
9784 | void *ctx; | |
9785 | COMMON_INTERCEPTOR_ENTER(ctx, getusershell); | |
9786 | char *res = REAL(getusershell)(); | |
9787 | if (res) | |
9788 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
9789 | return res; | |
9790 | } | |
9791 | ||
9792 | #define INIT_GETUSERSHELL COMMON_INTERCEPT_FUNCTION(getusershell); | |
9793 | #else | |
9794 | #define INIT_GETUSERSHELL | |
9795 | #endif | |
9796 | ||
9797 | #if SANITIZER_INTERCEPT_SL_INIT | |
9798 | INTERCEPTOR(void *, sl_init) { | |
9799 | void *ctx; | |
9800 | COMMON_INTERCEPTOR_ENTER(ctx, sl_init); | |
9801 | void *res = REAL(sl_init)(); | |
9802 | if (res) | |
9803 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, __sanitizer::struct_StringList_sz); | |
9804 | return res; | |
9805 | } | |
9806 | ||
9807 | INTERCEPTOR(int, sl_add, void *sl, char *item) { | |
9808 | void *ctx; | |
9809 | COMMON_INTERCEPTOR_ENTER(ctx, sl_add, sl, item); | |
9810 | if (sl) | |
9811 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sl, __sanitizer::struct_StringList_sz); | |
9812 | if (item) | |
9813 | COMMON_INTERCEPTOR_READ_RANGE(ctx, item, REAL(strlen)(item) + 1); | |
9814 | int res = REAL(sl_add)(sl, item); | |
9815 | if (!res) | |
9816 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sl, __sanitizer::struct_StringList_sz); | |
9817 | return res; | |
9818 | } | |
9819 | ||
9820 | INTERCEPTOR(char *, sl_find, void *sl, const char *item) { | |
9821 | void *ctx; | |
9822 | COMMON_INTERCEPTOR_ENTER(ctx, sl_find, sl, item); | |
9823 | if (sl) | |
9824 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sl, __sanitizer::struct_StringList_sz); | |
9825 | if (item) | |
9826 | COMMON_INTERCEPTOR_READ_RANGE(ctx, item, REAL(strlen)(item) + 1); | |
9827 | char *res = REAL(sl_find)(sl, item); | |
9828 | if (res) | |
9829 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, REAL(strlen)(res) + 1); | |
9830 | return res; | |
9831 | } | |
9832 | ||
9833 | INTERCEPTOR(void, sl_free, void *sl, int freeall) { | |
9834 | void *ctx; | |
9835 | COMMON_INTERCEPTOR_ENTER(ctx, sl_free, sl, freeall); | |
9836 | if (sl) | |
9837 | COMMON_INTERCEPTOR_READ_RANGE(ctx, sl, __sanitizer::struct_StringList_sz); | |
9838 | REAL(sl_free)(sl, freeall); | |
9839 | } | |
9840 | ||
9841 | #define INIT_SL_INIT \ | |
9842 | COMMON_INTERCEPT_FUNCTION(sl_init); \ | |
9843 | COMMON_INTERCEPT_FUNCTION(sl_add); \ | |
9844 | COMMON_INTERCEPT_FUNCTION(sl_find); \ | |
9845 | COMMON_INTERCEPT_FUNCTION(sl_free); | |
9846 | #else | |
9847 | #define INIT_SL_INIT | |
9848 | #endif | |
9849 | ||
9850 | #if SANITIZER_INTERCEPT_GETRANDOM | |
9851 | INTERCEPTOR(SSIZE_T, getrandom, void *buf, SIZE_T buflen, unsigned int flags) { | |
9852 | void *ctx; | |
9853 | COMMON_INTERCEPTOR_ENTER(ctx, getrandom, buf, buflen, flags); | |
9854 | SSIZE_T n = REAL(getrandom)(buf, buflen, flags); | |
9855 | if (n > 0) { | |
9856 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, n); | |
9857 | } | |
9858 | return n; | |
9859 | } | |
9860 | #define INIT_GETRANDOM COMMON_INTERCEPT_FUNCTION(getrandom) | |
9861 | #else | |
9862 | #define INIT_GETRANDOM | |
9863 | #endif | |
9864 | ||
3ca75cd5 ML |
9865 | #if SANITIZER_INTERCEPT_CRYPT |
9866 | INTERCEPTOR(char *, crypt, char *key, char *salt) { | |
9867 | void *ctx; | |
9868 | COMMON_INTERCEPTOR_ENTER(ctx, crypt, key, salt); | |
9869 | COMMON_INTERCEPTOR_READ_RANGE(ctx, key, internal_strlen(key) + 1); | |
9870 | COMMON_INTERCEPTOR_READ_RANGE(ctx, salt, internal_strlen(salt) + 1); | |
9871 | char *res = REAL(crypt)(key, salt); | |
9872 | if (res != nullptr) | |
9873 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1); | |
9874 | return res; | |
9875 | } | |
9876 | #define INIT_CRYPT COMMON_INTERCEPT_FUNCTION(crypt); | |
9877 | #else | |
9878 | #define INIT_CRYPT | |
9879 | #endif | |
9880 | ||
9881 | #if SANITIZER_INTERCEPT_CRYPT_R | |
9882 | INTERCEPTOR(char *, crypt_r, char *key, char *salt, void *data) { | |
9883 | void *ctx; | |
9884 | COMMON_INTERCEPTOR_ENTER(ctx, crypt_r, key, salt, data); | |
9885 | COMMON_INTERCEPTOR_READ_RANGE(ctx, key, internal_strlen(key) + 1); | |
9886 | COMMON_INTERCEPTOR_READ_RANGE(ctx, salt, internal_strlen(salt) + 1); | |
9887 | char *res = REAL(crypt_r)(key, salt, data); | |
9888 | if (res != nullptr) { | |
9889 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, | |
9890 | __sanitizer::struct_crypt_data_sz); | |
9891 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1); | |
9892 | } | |
9893 | return res; | |
9894 | } | |
9895 | #define INIT_CRYPT_R COMMON_INTERCEPT_FUNCTION(crypt_r); | |
9896 | #else | |
9897 | #define INIT_CRYPT_R | |
9898 | #endif | |
9899 | ||
9900 | #if SANITIZER_INTERCEPT_GETENTROPY | |
9901 | INTERCEPTOR(int, getentropy, void *buf, SIZE_T buflen) { | |
9902 | void *ctx; | |
9903 | COMMON_INTERCEPTOR_ENTER(ctx, getentropy, buf, buflen); | |
9904 | int r = REAL(getentropy)(buf, buflen); | |
9905 | if (r == 0) { | |
9906 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen); | |
9907 | } | |
9908 | return r; | |
9909 | } | |
9910 | #define INIT_GETENTROPY COMMON_INTERCEPT_FUNCTION(getentropy) | |
9911 | #else | |
9912 | #define INIT_GETENTROPY | |
9913 | #endif | |
9914 | ||
3c6331c2 ML |
9915 | #if SANITIZER_INTERCEPT_QSORT |
9916 | // Glibc qsort uses a temporary buffer allocated either on stack or on heap. | |
9917 | // Poisoned memory from there may get copied into the comparator arguments, | |
9918 | // where it needs to be dealt with. But even that is not enough - the results of | |
9919 | // the sort may be copied into the input/output array based on the results of | |
9920 | // the comparator calls, but directly from the temp memory, bypassing the | |
9921 | // unpoisoning done in wrapped_qsort_compar. We deal with this by, again, | |
9922 | // unpoisoning the entire array after the sort is done. | |
9923 | // | |
9924 | // We can not check that the entire array is initialized at the beginning. IMHO, | |
9925 | // it's fine for parts of the sorted objects to contain uninitialized memory, | |
9926 | // ex. as padding in structs. | |
9927 | typedef int (*qsort_compar_f)(const void *, const void *); | |
9928 | static THREADLOCAL qsort_compar_f qsort_compar; | |
9929 | static THREADLOCAL SIZE_T qsort_size; | |
9930 | int wrapped_qsort_compar(const void *a, const void *b) { | |
9931 | COMMON_INTERCEPTOR_UNPOISON_PARAM(2); | |
9932 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, qsort_size); | |
9933 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, qsort_size); | |
9934 | return qsort_compar(a, b); | |
9935 | } | |
9936 | ||
9937 | INTERCEPTOR(void, qsort, void *base, SIZE_T nmemb, SIZE_T size, | |
9938 | qsort_compar_f compar) { | |
9939 | void *ctx; | |
9940 | COMMON_INTERCEPTOR_ENTER(ctx, qsort, base, nmemb, size, compar); | |
9941 | // Run the comparator over all array elements to detect any memory issues. | |
9942 | if (nmemb > 1) { | |
9943 | for (SIZE_T i = 0; i < nmemb - 1; ++i) { | |
9944 | void *p = (void *)((char *)base + i * size); | |
9945 | void *q = (void *)((char *)base + (i + 1) * size); | |
9946 | COMMON_INTERCEPTOR_UNPOISON_PARAM(2); | |
9947 | compar(p, q); | |
9948 | } | |
9949 | } | |
9950 | qsort_compar_f old_compar = qsort_compar; | |
3c6331c2 | 9951 | SIZE_T old_size = qsort_size; |
0b997f6e ML |
9952 | // Handle qsort() implementations that recurse using an |
9953 | // interposable function call: | |
9954 | bool already_wrapped = compar == wrapped_qsort_compar; | |
9955 | if (already_wrapped) { | |
9956 | // This case should only happen if the qsort() implementation calls itself | |
9957 | // using a preemptible function call (e.g. the FreeBSD libc version). | |
9958 | // Check that the size and comparator arguments are as expected. | |
9959 | CHECK_NE(compar, qsort_compar); | |
9960 | CHECK_EQ(qsort_size, size); | |
9961 | } else { | |
9962 | qsort_compar = compar; | |
9963 | qsort_size = size; | |
9964 | } | |
3c6331c2 | 9965 | REAL(qsort)(base, nmemb, size, wrapped_qsort_compar); |
0b997f6e ML |
9966 | if (!already_wrapped) { |
9967 | qsort_compar = old_compar; | |
9968 | qsort_size = old_size; | |
9969 | } | |
3c6331c2 ML |
9970 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, base, nmemb * size); |
9971 | } | |
9972 | #define INIT_QSORT COMMON_INTERCEPT_FUNCTION(qsort) | |
9973 | #else | |
9974 | #define INIT_QSORT | |
9975 | #endif | |
9976 | ||
9977 | #if SANITIZER_INTERCEPT_QSORT_R | |
9978 | typedef int (*qsort_r_compar_f)(const void *, const void *, void *); | |
9979 | static THREADLOCAL qsort_r_compar_f qsort_r_compar; | |
9980 | static THREADLOCAL SIZE_T qsort_r_size; | |
9981 | int wrapped_qsort_r_compar(const void *a, const void *b, void *arg) { | |
9982 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
9983 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, qsort_r_size); | |
9984 | COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, qsort_r_size); | |
9985 | return qsort_r_compar(a, b, arg); | |
9986 | } | |
9987 | ||
9988 | INTERCEPTOR(void, qsort_r, void *base, SIZE_T nmemb, SIZE_T size, | |
9989 | qsort_r_compar_f compar, void *arg) { | |
9990 | void *ctx; | |
9991 | COMMON_INTERCEPTOR_ENTER(ctx, qsort_r, base, nmemb, size, compar, arg); | |
9992 | // Run the comparator over all array elements to detect any memory issues. | |
9993 | if (nmemb > 1) { | |
9994 | for (SIZE_T i = 0; i < nmemb - 1; ++i) { | |
9995 | void *p = (void *)((char *)base + i * size); | |
9996 | void *q = (void *)((char *)base + (i + 1) * size); | |
9997 | COMMON_INTERCEPTOR_UNPOISON_PARAM(3); | |
9998 | compar(p, q, arg); | |
9999 | } | |
10000 | } | |
10001 | qsort_r_compar_f old_compar = qsort_r_compar; | |
3c6331c2 | 10002 | SIZE_T old_size = qsort_r_size; |
0b997f6e ML |
10003 | // Handle qsort_r() implementations that recurse using an |
10004 | // interposable function call: | |
10005 | bool already_wrapped = compar == wrapped_qsort_r_compar; | |
10006 | if (already_wrapped) { | |
10007 | // This case should only happen if the qsort() implementation calls itself | |
10008 | // using a preemptible function call (e.g. the FreeBSD libc version). | |
10009 | // Check that the size and comparator arguments are as expected. | |
10010 | CHECK_NE(compar, qsort_r_compar); | |
10011 | CHECK_EQ(qsort_r_size, size); | |
10012 | } else { | |
10013 | qsort_r_compar = compar; | |
10014 | qsort_r_size = size; | |
10015 | } | |
3c6331c2 | 10016 | REAL(qsort_r)(base, nmemb, size, wrapped_qsort_r_compar, arg); |
0b997f6e ML |
10017 | if (!already_wrapped) { |
10018 | qsort_r_compar = old_compar; | |
10019 | qsort_r_size = old_size; | |
10020 | } | |
3c6331c2 ML |
10021 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, base, nmemb * size); |
10022 | } | |
10023 | #define INIT_QSORT_R COMMON_INTERCEPT_FUNCTION(qsort_r) | |
10024 | #else | |
10025 | #define INIT_QSORT_R | |
10026 | #endif | |
10027 | ||
10028 | #if SANITIZER_INTERCEPT_SIGALTSTACK | |
10029 | INTERCEPTOR(int, sigaltstack, void *ss, void *oss) { | |
10030 | void *ctx; | |
10031 | COMMON_INTERCEPTOR_ENTER(ctx, sigaltstack, ss, oss); | |
10032 | int r = REAL(sigaltstack)(ss, oss); | |
10033 | if (r == 0 && oss != nullptr) { | |
10034 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oss, struct_stack_t_sz); | |
10035 | } | |
10036 | return r; | |
10037 | } | |
10038 | #define INIT_SIGALTSTACK COMMON_INTERCEPT_FUNCTION(sigaltstack) | |
10039 | #else | |
10040 | #define INIT_SIGALTSTACK | |
10041 | #endif | |
10042 | ||
10043 | #if SANITIZER_INTERCEPT_UNAME | |
10044 | INTERCEPTOR(int, uname, struct utsname *utsname) { | |
10045 | #if SANITIZER_LINUX | |
10046 | if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED) | |
10047 | return internal_uname(utsname); | |
10048 | #endif | |
10049 | void *ctx; | |
10050 | COMMON_INTERCEPTOR_ENTER(ctx, uname, utsname); | |
10051 | int res = REAL(uname)(utsname); | |
10052 | if (!res) | |
10053 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, utsname, | |
10054 | __sanitizer::struct_utsname_sz); | |
10055 | return res; | |
10056 | } | |
10057 | #define INIT_UNAME COMMON_INTERCEPT_FUNCTION(uname) | |
10058 | #else | |
10059 | #define INIT_UNAME | |
10060 | #endif | |
10061 | ||
10062 | #if SANITIZER_INTERCEPT___XUNAME | |
10063 | // FreeBSD's <sys/utsname.h> define uname() as | |
10064 | // static __inline int uname(struct utsname *name) { | |
10065 | // return __xuname(SYS_NMLN, (void*)name); | |
10066 | // } | |
10067 | INTERCEPTOR(int, __xuname, int size, void *utsname) { | |
10068 | void *ctx; | |
10069 | COMMON_INTERCEPTOR_ENTER(ctx, __xuname, size, utsname); | |
10070 | int res = REAL(__xuname)(size, utsname); | |
10071 | if (!res) | |
10072 | COMMON_INTERCEPTOR_WRITE_RANGE(ctx, utsname, | |
10073 | __sanitizer::struct_utsname_sz); | |
10074 | return res; | |
10075 | } | |
10076 | #define INIT___XUNAME COMMON_INTERCEPT_FUNCTION(__xuname) | |
10077 | #else | |
10078 | #define INIT___XUNAME | |
10079 | #endif | |
10080 | ||
10081 | #include "sanitizer_common_interceptors_netbsd_compat.inc" | |
10082 | ||
b667dd70 ML |
10083 | static void InitializeCommonInterceptors() { |
10084 | #if SI_POSIX | |
10085 | static u64 metadata_mem[sizeof(MetadataHashMap) / sizeof(u64) + 1]; | |
3ca75cd5 | 10086 | interceptor_metadata_map = new ((void *)&metadata_mem) MetadataHashMap(); |
b667dd70 | 10087 | #endif |
dee5ea7a | 10088 | |
eac97531 ML |
10089 | INIT_MMAP; |
10090 | INIT_MMAP64; | |
dee5ea7a | 10091 | INIT_TEXTDOMAIN; |
10189819 MO |
10092 | INIT_STRLEN; |
10093 | INIT_STRNLEN; | |
5d3805fc JJ |
10094 | INIT_STRNDUP; |
10095 | INIT___STRNDUP; | |
dee5ea7a KS |
10096 | INIT_STRCMP; |
10097 | INIT_STRNCMP; | |
10098 | INIT_STRCASECMP; | |
10099 | INIT_STRNCASECMP; | |
696d846a MO |
10100 | INIT_STRSTR; |
10101 | INIT_STRCASESTR; | |
10189819 MO |
10102 | INIT_STRCHR; |
10103 | INIT_STRCHRNUL; | |
10104 | INIT_STRRCHR; | |
696d846a | 10105 | INIT_STRSPN; |
5d3805fc | 10106 | INIT_STRTOK; |
696d846a | 10107 | INIT_STRPBRK; |
eac97531 ML |
10108 | INIT_STRXFRM; |
10109 | INIT___STRXFRM_L; | |
10189819 MO |
10110 | INIT_MEMSET; |
10111 | INIT_MEMMOVE; | |
10112 | INIT_MEMCPY; | |
dee5ea7a | 10113 | INIT_MEMCHR; |
696d846a | 10114 | INIT_MEMCMP; |
b667dd70 | 10115 | INIT_BCMP; |
dee5ea7a | 10116 | INIT_MEMRCHR; |
10189819 | 10117 | INIT_MEMMEM; |
dee5ea7a | 10118 | INIT_READ; |
5d3805fc | 10119 | INIT_FREAD; |
dee5ea7a KS |
10120 | INIT_PREAD; |
10121 | INIT_PREAD64; | |
10122 | INIT_READV; | |
10123 | INIT_PREADV; | |
10124 | INIT_PREADV64; | |
10125 | INIT_WRITE; | |
5d3805fc | 10126 | INIT_FWRITE; |
dee5ea7a KS |
10127 | INIT_PWRITE; |
10128 | INIT_PWRITE64; | |
10129 | INIT_WRITEV; | |
10130 | INIT_PWRITEV; | |
10131 | INIT_PWRITEV64; | |
eac97531 ML |
10132 | INIT_FGETS; |
10133 | INIT_FPUTS; | |
10134 | INIT_PUTS; | |
dee5ea7a KS |
10135 | INIT_PRCTL; |
10136 | INIT_LOCALTIME_AND_FRIENDS; | |
10137 | INIT_STRPTIME; | |
10138 | INIT_SCANF; | |
10139 | INIT_ISOC99_SCANF; | |
10140 | INIT_PRINTF; | |
696d846a | 10141 | INIT_PRINTF_L; |
dee5ea7a KS |
10142 | INIT_ISOC99_PRINTF; |
10143 | INIT_FREXP; | |
10144 | INIT_FREXPF_FREXPL; | |
10145 | INIT_GETPWNAM_AND_FRIENDS; | |
10146 | INIT_GETPWNAM_R_AND_FRIENDS; | |
10147 | INIT_GETPWENT; | |
10148 | INIT_FGETPWENT; | |
10149 | INIT_GETPWENT_R; | |
b667dd70 ML |
10150 | INIT_FGETPWENT_R; |
10151 | INIT_FGETGRENT_R; | |
dee5ea7a KS |
10152 | INIT_SETPWENT; |
10153 | INIT_CLOCK_GETTIME; | |
0b997f6e | 10154 | INIT_CLOCK_GETCPUCLOCKID; |
dee5ea7a KS |
10155 | INIT_GETITIMER; |
10156 | INIT_TIME; | |
10157 | INIT_GLOB; | |
eac97531 | 10158 | INIT_GLOB64; |
dee5ea7a KS |
10159 | INIT_WAIT; |
10160 | INIT_WAIT4; | |
10161 | INIT_INET; | |
10162 | INIT_PTHREAD_GETSCHEDPARAM; | |
10163 | INIT_GETADDRINFO; | |
10164 | INIT_GETNAMEINFO; | |
10165 | INIT_GETSOCKNAME; | |
10166 | INIT_GETHOSTBYNAME; | |
eac97531 | 10167 | INIT_GETHOSTBYNAME2; |
dee5ea7a | 10168 | INIT_GETHOSTBYNAME_R; |
866e32ad KS |
10169 | INIT_GETHOSTBYNAME2_R; |
10170 | INIT_GETHOSTBYADDR_R; | |
10171 | INIT_GETHOSTENT_R; | |
dee5ea7a KS |
10172 | INIT_GETSOCKOPT; |
10173 | INIT_ACCEPT; | |
10174 | INIT_ACCEPT4; | |
eac97531 | 10175 | INIT_PACCEPT; |
dee5ea7a KS |
10176 | INIT_MODF; |
10177 | INIT_RECVMSG; | |
10189819 | 10178 | INIT_SENDMSG; |
eac97531 ML |
10179 | INIT_RECVMMSG; |
10180 | INIT_SENDMMSG; | |
0b997f6e | 10181 | INIT_SYSMSG; |
dee5ea7a KS |
10182 | INIT_GETPEERNAME; |
10183 | INIT_IOCTL; | |
10184 | INIT_INET_ATON; | |
10185 | INIT_SYSINFO; | |
10186 | INIT_READDIR; | |
10187 | INIT_READDIR64; | |
10188 | INIT_PTRACE; | |
10189 | INIT_SETLOCALE; | |
10190 | INIT_GETCWD; | |
10191 | INIT_GET_CURRENT_DIR_NAME; | |
10192 | INIT_STRTOIMAX; | |
10193 | INIT_MBSTOWCS; | |
10194 | INIT_MBSNRTOWCS; | |
10195 | INIT_WCSTOMBS; | |
10196 | INIT_WCSNRTOMBS; | |
696d846a | 10197 | INIT_WCRTOMB; |
b667dd70 | 10198 | INIT_WCTOMB; |
dee5ea7a KS |
10199 | INIT_TCGETATTR; |
10200 | INIT_REALPATH; | |
10201 | INIT_CANONICALIZE_FILE_NAME; | |
10202 | INIT_CONFSTR; | |
10203 | INIT_SCHED_GETAFFINITY; | |
696d846a | 10204 | INIT_SCHED_GETPARAM; |
dee5ea7a KS |
10205 | INIT_STRERROR; |
10206 | INIT_STRERROR_R; | |
10207 | INIT_XPG_STRERROR_R; | |
10208 | INIT_SCANDIR; | |
10209 | INIT_SCANDIR64; | |
10210 | INIT_GETGROUPS; | |
10211 | INIT_POLL; | |
10212 | INIT_PPOLL; | |
10213 | INIT_WORDEXP; | |
10214 | INIT_SIGWAIT; | |
10215 | INIT_SIGWAITINFO; | |
10216 | INIT_SIGTIMEDWAIT; | |
10217 | INIT_SIGSETOPS; | |
0b997f6e | 10218 | INIT_SIGSET_LOGICOPS; |
dee5ea7a KS |
10219 | INIT_SIGPENDING; |
10220 | INIT_SIGPROCMASK; | |
b667dd70 | 10221 | INIT_PTHREAD_SIGMASK; |
dee5ea7a KS |
10222 | INIT_BACKTRACE; |
10223 | INIT__EXIT; | |
10224 | INIT_PTHREAD_MUTEX_LOCK; | |
10225 | INIT_PTHREAD_MUTEX_UNLOCK; | |
eac97531 ML |
10226 | INIT___PTHREAD_MUTEX_LOCK; |
10227 | INIT___PTHREAD_MUTEX_UNLOCK; | |
10228 | INIT___LIBC_MUTEX_LOCK; | |
10229 | INIT___LIBC_MUTEX_UNLOCK; | |
10230 | INIT___LIBC_THR_SETCANCELSTATE; | |
dee5ea7a KS |
10231 | INIT_GETMNTENT; |
10232 | INIT_GETMNTENT_R; | |
10233 | INIT_STATFS; | |
10234 | INIT_STATFS64; | |
10235 | INIT_STATVFS; | |
10236 | INIT_STATVFS64; | |
10237 | INIT_INITGROUPS; | |
866e32ad KS |
10238 | INIT_ETHER_NTOA_ATON; |
10239 | INIT_ETHER_HOST; | |
dee5ea7a KS |
10240 | INIT_ETHER_R; |
10241 | INIT_SHMCTL; | |
10242 | INIT_RANDOM_R; | |
10243 | INIT_PTHREAD_ATTR_GET; | |
eac97531 | 10244 | INIT_PTHREAD_ATTR_GET_SCHED; |
dee5ea7a KS |
10245 | INIT_PTHREAD_ATTR_GETINHERITSCHED; |
10246 | INIT_PTHREAD_ATTR_GETAFFINITY_NP; | |
866e32ad KS |
10247 | INIT_PTHREAD_MUTEXATTR_GETPSHARED; |
10248 | INIT_PTHREAD_MUTEXATTR_GETTYPE; | |
10249 | INIT_PTHREAD_MUTEXATTR_GETPROTOCOL; | |
10250 | INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING; | |
10251 | INIT_PTHREAD_MUTEXATTR_GETROBUST; | |
10252 | INIT_PTHREAD_MUTEXATTR_GETROBUST_NP; | |
10253 | INIT_PTHREAD_RWLOCKATTR_GETPSHARED; | |
10254 | INIT_PTHREAD_RWLOCKATTR_GETKIND_NP; | |
10255 | INIT_PTHREAD_CONDATTR_GETPSHARED; | |
10256 | INIT_PTHREAD_CONDATTR_GETCLOCK; | |
10257 | INIT_PTHREAD_BARRIERATTR_GETPSHARED; | |
dee5ea7a KS |
10258 | INIT_TMPNAM; |
10259 | INIT_TMPNAM_R; | |
0b997f6e ML |
10260 | INIT_PTSNAME; |
10261 | INIT_PTSNAME_R; | |
b667dd70 | 10262 | INIT_TTYNAME; |
10189819 | 10263 | INIT_TTYNAME_R; |
dee5ea7a KS |
10264 | INIT_TEMPNAM; |
10265 | INIT_PTHREAD_SETNAME_NP; | |
eac97531 | 10266 | INIT_PTHREAD_GETNAME_NP; |
dee5ea7a KS |
10267 | INIT_SINCOS; |
10268 | INIT_REMQUO; | |
b667dd70 | 10269 | INIT_REMQUOL; |
dee5ea7a | 10270 | INIT_LGAMMA; |
b667dd70 | 10271 | INIT_LGAMMAL; |
dee5ea7a | 10272 | INIT_LGAMMA_R; |
866e32ad | 10273 | INIT_LGAMMAL_R; |
dee5ea7a KS |
10274 | INIT_DRAND48_R; |
10275 | INIT_RAND_R; | |
10276 | INIT_GETLINE; | |
10277 | INIT_ICONV; | |
10278 | INIT_TIMES; | |
10279 | INIT_TLS_GET_ADDR; | |
10280 | INIT_LISTXATTR; | |
10281 | INIT_GETXATTR; | |
10282 | INIT_GETRESID; | |
10283 | INIT_GETIFADDRS; | |
10284 | INIT_IF_INDEXTONAME; | |
10285 | INIT_CAPGET; | |
10286 | INIT_AEABI_MEM; | |
10287 | INIT___BZERO; | |
b667dd70 | 10288 | INIT_BZERO; |
dee5ea7a KS |
10289 | INIT_FTIME; |
10290 | INIT_XDR; | |
0b997f6e | 10291 | INIT_XDRREC_LINUX; |
dee5ea7a KS |
10292 | INIT_TSEARCH; |
10293 | INIT_LIBIO_INTERNALS; | |
10294 | INIT_FOPEN; | |
10295 | INIT_FOPEN64; | |
90e46074 | 10296 | INIT_FLOPEN; |
dee5ea7a KS |
10297 | INIT_OPEN_MEMSTREAM; |
10298 | INIT_OBSTACK; | |
10299 | INIT_FFLUSH; | |
10300 | INIT_FCLOSE; | |
866e32ad KS |
10301 | INIT_DLOPEN_DLCLOSE; |
10302 | INIT_GETPASS; | |
10303 | INIT_TIMERFD; | |
10304 | INIT_MLOCKX; | |
696d846a MO |
10305 | INIT_FOPENCOOKIE; |
10306 | INIT_SEM; | |
10307 | INIT_PTHREAD_SETCANCEL; | |
10308 | INIT_MINCORE; | |
55aea9f5 | 10309 | INIT_PROCESS_VM_READV; |
10189819 MO |
10310 | INIT_CTERMID; |
10311 | INIT_CTERMID_R; | |
10312 | INIT_RECV_RECVFROM; | |
10313 | INIT_SEND_SENDTO; | |
10314 | INIT_STAT; | |
10315 | INIT_EVENTFD_READ_WRITE; | |
eac97531 | 10316 | INIT_LSTAT; |
10189819 MO |
10317 | INIT___XSTAT; |
10318 | INIT___XSTAT64; | |
10319 | INIT___LXSTAT; | |
10320 | INIT___LXSTAT64; | |
10321 | // FIXME: add other *stat interceptors. | |
5d3805fc JJ |
10322 | INIT_UTMP; |
10323 | INIT_UTMPX; | |
10324 | INIT_GETLOADAVG; | |
10325 | INIT_WCSLEN; | |
10326 | INIT_WCSCAT; | |
b667dd70 | 10327 | INIT_WCSDUP; |
eac97531 ML |
10328 | INIT_WCSXFRM; |
10329 | INIT___WCSXFRM_L; | |
10330 | INIT_ACCT; | |
10331 | INIT_USER_FROM_UID; | |
10332 | INIT_UID_FROM_USER; | |
10333 | INIT_GROUP_FROM_GID; | |
10334 | INIT_GID_FROM_GROUP; | |
10335 | INIT_ACCESS; | |
10336 | INIT_FACCESSAT; | |
10337 | INIT_GETGROUPLIST; | |
10338 | INIT_GETGROUPMEMBERSHIP; | |
10339 | INIT_READLINK; | |
10340 | INIT_READLINKAT; | |
10341 | INIT_NAME_TO_HANDLE_AT; | |
10342 | INIT_OPEN_BY_HANDLE_AT; | |
10343 | INIT_STRLCPY; | |
10344 | INIT_DEVNAME; | |
10345 | INIT_DEVNAME_R; | |
10346 | INIT_FGETLN; | |
10347 | INIT_STRMODE; | |
10348 | INIT_TTYENT; | |
10349 | INIT_PROTOENT; | |
0b997f6e | 10350 | INIT_PROTOENT_R; |
eac97531 | 10351 | INIT_NETENT; |
b667dd70 ML |
10352 | INIT_GETMNTINFO; |
10353 | INIT_MI_VECTOR_HASH; | |
10354 | INIT_SETVBUF; | |
10355 | INIT_GETVFSSTAT; | |
10356 | INIT_REGEX; | |
10357 | INIT_REGEXSUB; | |
10358 | INIT_FTS; | |
10359 | INIT_SYSCTL; | |
10360 | INIT_ASYSCTL; | |
10361 | INIT_SYSCTLGETMIBINFO; | |
10362 | INIT_NL_LANGINFO; | |
10363 | INIT_MODCTL; | |
10364 | INIT_STRTONUM; | |
10365 | INIT_FPARSELN; | |
10366 | INIT_STATVFS1; | |
10367 | INIT_STRTOI; | |
10368 | INIT_CAPSICUM; | |
10369 | INIT_SHA1; | |
10370 | INIT_MD4; | |
10371 | INIT_RMD160; | |
10372 | INIT_MD5; | |
10373 | INIT_FSEEK; | |
10374 | INIT_MD2; | |
10375 | INIT_SHA2; | |
10376 | INIT_VIS; | |
10377 | INIT_CDB; | |
10378 | INIT_GETFSENT; | |
10379 | INIT_ARC4RANDOM; | |
10380 | INIT_POPEN; | |
10381 | INIT_POPENVE; | |
10382 | INIT_PCLOSE; | |
10383 | INIT_FUNOPEN; | |
10384 | INIT_FUNOPEN2; | |
10385 | INIT_FDEVNAME; | |
10386 | INIT_GETUSERSHELL; | |
10387 | INIT_SL_INIT; | |
10388 | INIT_GETRANDOM; | |
3ca75cd5 ML |
10389 | INIT_CRYPT; |
10390 | INIT_CRYPT_R; | |
10391 | INIT_GETENTROPY; | |
3c6331c2 ML |
10392 | INIT_QSORT; |
10393 | INIT_QSORT_R; | |
10394 | INIT_SIGALTSTACK; | |
10395 | INIT_UNAME; | |
10396 | INIT___XUNAME; | |
eac97531 ML |
10397 | |
10398 | INIT___PRINTF_CHK; | |
dee5ea7a | 10399 | } |