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1b52df9a | 1 | |
62045984 | 2 | /* |
1b52df9a | 3 | * Windows support |
4 | * AUTHOR: Guido Serassio <serassio@squid-cache.org> | |
5 | * inspired by previous work by Romeo Anghelache & Eric Stern. | |
62045984 | 6 | * |
7 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
8 | * ---------------------------------------------------------- | |
9 | * | |
10 | * Squid is the result of efforts by numerous individuals from | |
11 | * the Internet community; see the CONTRIBUTORS file for full | |
12 | * details. Many organizations have provided support for Squid's | |
13 | * development; see the SPONSORS file for full details. Squid is | |
14 | * Copyrighted (C) 2001 by the Regents of the University of | |
15 | * California; see the COPYRIGHT file for full details. Squid | |
16 | * incorporates software developed and/or copyrighted by other | |
17 | * sources; see the CREDITS file for full details. | |
18 | * | |
19 | * This program is free software; you can redistribute it and/or modify | |
20 | * it under the terms of the GNU General Public License as published by | |
21 | * the Free Software Foundation; either version 2 of the License, or | |
22 | * (at your option) any later version. | |
26ac0430 | 23 | * |
62045984 | 24 | * This program is distributed in the hope that it will be useful, |
25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
27 | * GNU General Public License for more details. | |
26ac0430 | 28 | * |
62045984 | 29 | * You should have received a copy of the GNU General Public License |
30 | * along with this program; if not, write to the Free Software | |
31 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
32 | * | |
33 | */ | |
34 | ||
f7f3304a | 35 | #include "squid.h" |
62045984 | 36 | #include "util.h" |
37 | ||
38 | /* The following code section is part of an EXPERIMENTAL native */ | |
0a1238e7 | 39 | /* Windows NT/2000 Squid port - Compiles only on MS Visual C++ or MinGW */ |
7aa9bb3e | 40 | #if _SQUID_WINDOWS_ && !_SQUID_CYGWIN_ |
62045984 | 41 | |
42 | #undef strerror | |
43 | #define sys_nerr _sys_nerr | |
44 | ||
45 | #undef assert | |
46 | #include <assert.h> | |
47 | #include <stdio.h> | |
48 | #include <fcntl.h> | |
62045984 | 49 | #include <string.h> |
50 | #include <sys/timeb.h> | |
51 | #if HAVE_WIN32_PSAPI | |
52 | #include <psapi.h> | |
53 | #endif | |
54 | ||
55 | THREADLOCAL int ws32_result; | |
56 | LPCRITICAL_SECTION dbg_mutex = NULL; | |
57 | ||
58 | void GetProcessName(pid_t, char *); | |
59 | ||
60 | #if defined(_MSC_VER) /* Microsoft C Compiler ONLY */ | |
26ac0430 | 61 | size_t |
62045984 | 62 | getpagesize() |
63 | { | |
97fee6b1 GS |
64 | static DWORD system_pagesize = 0; |
65 | if (!system_pagesize) { | |
26ac0430 AJ |
66 | SYSTEM_INFO system_info; |
67 | GetSystemInfo(&system_info); | |
68 | system_pagesize = system_info.dwPageSize; | |
97fee6b1 GS |
69 | } |
70 | return system_pagesize; | |
62045984 | 71 | } |
72 | #endif | |
73 | ||
26ac0430 | 74 | uid_t |
62045984 | 75 | geteuid(void) |
76 | { | |
77 | return 100; | |
78 | } | |
79 | ||
26ac0430 | 80 | uid_t |
62045984 | 81 | getuid(void) |
82 | { | |
83 | return 100; | |
84 | } | |
85 | ||
26ac0430 | 86 | int |
62045984 | 87 | setuid(uid_t uid) |
88 | { | |
89 | return 0; | |
90 | } | |
91 | ||
26ac0430 | 92 | int |
62045984 | 93 | seteuid(uid_t euid) |
94 | { | |
95 | return 0; | |
96 | } | |
97 | ||
26ac0430 | 98 | gid_t |
62045984 | 99 | getegid(void) |
100 | { | |
101 | return 100; | |
102 | } | |
103 | ||
26ac0430 | 104 | gid_t |
62045984 | 105 | getgid(void) |
106 | { | |
107 | return 100; | |
108 | } | |
109 | ||
26ac0430 | 110 | int |
62045984 | 111 | setgid(gid_t gid) |
112 | { | |
113 | return 0; | |
114 | } | |
115 | ||
26ac0430 | 116 | int |
62045984 | 117 | setegid(gid_t egid) |
118 | { | |
119 | return 0; | |
120 | } | |
121 | ||
26ac0430 | 122 | int |
62045984 | 123 | chroot(const char *dirname) |
124 | { | |
125 | if (SetCurrentDirectory(dirname)) | |
26ac0430 | 126 | return 0; |
62045984 | 127 | else |
26ac0430 | 128 | return GetLastError(); |
62045984 | 129 | } |
130 | ||
26ac0430 | 131 | void |
62045984 | 132 | GetProcessName(pid_t pid, char *ProcessName) |
133 | { | |
134 | HANDLE hProcess; | |
135 | ||
136 | strcpy(ProcessName, "unknown"); | |
137 | #if HAVE_WIN32_PSAPI | |
138 | /* Get a handle to the process. */ | |
139 | hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | | |
26ac0430 AJ |
140 | PROCESS_VM_READ, |
141 | FALSE, pid); | |
62045984 | 142 | /* Get the process name. */ |
143 | if (NULL != hProcess) { | |
26ac0430 AJ |
144 | HMODULE hMod; |
145 | DWORD cbNeeded; | |
146 | ||
147 | if (EnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) | |
148 | GetModuleBaseName(hProcess, hMod, ProcessName, sizeof(ProcessName)); | |
149 | else { | |
150 | CloseHandle(hProcess); | |
151 | return; | |
152 | } | |
62045984 | 153 | } else |
26ac0430 | 154 | return; |
62045984 | 155 | CloseHandle(hProcess); |
156 | #endif | |
157 | } | |
158 | ||
26ac0430 | 159 | int |
62045984 | 160 | kill(pid_t pid, int sig) |
161 | { | |
162 | HANDLE hProcess; | |
163 | char MyProcessName[MAX_PATH]; | |
164 | char ProcessNameToCheck[MAX_PATH]; | |
165 | ||
166 | if (sig == 0) { | |
26ac0430 AJ |
167 | if ((hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | |
168 | PROCESS_VM_READ, | |
169 | FALSE, pid)) == NULL) | |
170 | return -1; | |
171 | else { | |
172 | CloseHandle(hProcess); | |
173 | GetProcessName(getpid(), MyProcessName); | |
174 | GetProcessName(pid, ProcessNameToCheck); | |
175 | if (strcmp(MyProcessName, ProcessNameToCheck) == 0) | |
176 | return 0; | |
177 | return -1; | |
178 | } | |
62045984 | 179 | } else |
26ac0430 | 180 | return 0; |
62045984 | 181 | } |
182 | ||
32d002cb | 183 | #if !HAVE_GETTIMEOFDAY |
26ac0430 | 184 | int |
62045984 | 185 | gettimeofday(struct timeval *pcur_time, void *tzp) |
186 | { | |
187 | struct _timeb current; | |
188 | struct timezone *tz = (struct timezone *) tzp; | |
189 | ||
190 | _ftime(¤t); | |
191 | ||
192 | pcur_time->tv_sec = current.time; | |
193 | pcur_time->tv_usec = current.millitm * 1000L; | |
194 | if (tz) { | |
26ac0430 AJ |
195 | tz->tz_minuteswest = current.timezone; /* minutes west of Greenwich */ |
196 | tz->tz_dsttime = current.dstflag; /* type of dst correction */ | |
62045984 | 197 | } |
198 | return 0; | |
199 | } | |
379d5751 | 200 | #endif |
62045984 | 201 | |
26ac0430 | 202 | int |
62045984 | 203 | statfs(const char *path, struct statfs *sfs) |
204 | { | |
205 | char drive[4]; | |
206 | DWORD spc, bps, freec, totalc; | |
207 | DWORD vsn, maxlen, flags; | |
208 | ||
209 | if (!sfs) { | |
26ac0430 AJ |
210 | errno = EINVAL; |
211 | return -1; | |
62045984 | 212 | } |
213 | strncpy(drive, path, 2); | |
214 | drive[2] = '\0'; | |
215 | strcat(drive, "\\"); | |
216 | ||
217 | if (!GetDiskFreeSpace(drive, &spc, &bps, &freec, &totalc)) { | |
26ac0430 AJ |
218 | errno = ENOENT; |
219 | return -1; | |
62045984 | 220 | } |
221 | if (!GetVolumeInformation(drive, NULL, 0, &vsn, &maxlen, &flags, NULL, 0)) { | |
26ac0430 AJ |
222 | errno = ENOENT; |
223 | return -1; | |
62045984 | 224 | } |
225 | sfs->f_type = flags; | |
226 | sfs->f_bsize = spc * bps; | |
227 | sfs->f_blocks = totalc; | |
228 | sfs->f_bfree = sfs->f_bavail = freec; | |
229 | sfs->f_files = -1; | |
230 | sfs->f_ffree = -1; | |
231 | sfs->f_fsid = vsn; | |
232 | sfs->f_namelen = maxlen; | |
233 | return 0; | |
234 | } | |
235 | ||
3bfe9ee7 | 236 | #if !_SQUID_MINGW_ |
62045984 | 237 | int |
238 | WIN32_ftruncate(int fd, off_t size) | |
239 | { | |
240 | HANDLE hfile; | |
241 | unsigned int curpos; | |
242 | ||
243 | if (fd < 0) | |
26ac0430 | 244 | return -1; |
62045984 | 245 | |
246 | hfile = (HANDLE) _get_osfhandle(fd); | |
247 | curpos = SetFilePointer(hfile, 0, NULL, FILE_CURRENT); | |
248 | if (curpos == 0xFFFFFFFF | |
26ac0430 AJ |
249 | || SetFilePointer(hfile, size, NULL, FILE_BEGIN) == 0xFFFFFFFF |
250 | || !SetEndOfFile(hfile)) { | |
251 | int error = GetLastError(); | |
252 | ||
253 | switch (error) { | |
254 | case ERROR_INVALID_HANDLE: | |
255 | errno = EBADF; | |
256 | break; | |
257 | default: | |
258 | errno = EIO; | |
259 | break; | |
260 | } | |
261 | ||
262 | return -1; | |
62045984 | 263 | } |
264 | return 0; | |
265 | } | |
266 | ||
26ac0430 | 267 | int |
62045984 | 268 | WIN32_truncate(const char *pathname, off_t length) |
269 | { | |
270 | int fd; | |
271 | int res = -1; | |
272 | ||
273 | fd = open(pathname, O_RDWR); | |
274 | ||
275 | if (fd == -1) | |
26ac0430 | 276 | errno = EBADF; |
62045984 | 277 | else { |
26ac0430 AJ |
278 | res = WIN32_ftruncate(fd, length); |
279 | _close(fd); | |
62045984 | 280 | } |
281 | ||
282 | return res; | |
283 | } | |
3bfe9ee7 | 284 | #endif /* !_SQUID_MINGW_ */ |
62045984 | 285 | |
62045984 | 286 | struct passwd * |
e1381638 | 287 | getpwnam(char *unused) { |
26ac0430 | 288 | static struct passwd pwd = {NULL, NULL, 100, 100, NULL, NULL, NULL}; |
62045984 | 289 | return &pwd; |
290 | } | |
291 | ||
292 | struct group * | |
e1381638 | 293 | getgrnam(char *unused) { |
26ac0430 | 294 | static struct group grp = {NULL, NULL, 100, NULL}; |
62045984 | 295 | return &grp; |
296 | } | |
297 | ||
d305c51d | 298 | #if _SQUID_MINGW_ |
26ac0430 | 299 | int |
62045984 | 300 | _free_osfhnd(int filehandle) |
301 | { | |
302 | if (((unsigned) filehandle < SQUID_MAXFD) && | |
26ac0430 AJ |
303 | (_osfile(filehandle) & FOPEN) && |
304 | (_osfhnd(filehandle) != (long) INVALID_HANDLE_VALUE)) { | |
305 | switch (filehandle) { | |
306 | case 0: | |
307 | SetStdHandle(STD_INPUT_HANDLE, NULL); | |
308 | break; | |
309 | case 1: | |
310 | SetStdHandle(STD_OUTPUT_HANDLE, NULL); | |
311 | break; | |
312 | case 2: | |
313 | SetStdHandle(STD_ERROR_HANDLE, NULL); | |
314 | break; | |
315 | } | |
316 | _osfhnd(filehandle) = (long) INVALID_HANDLE_VALUE; | |
317 | return (0); | |
62045984 | 318 | } else { |
26ac0430 AJ |
319 | errno = EBADF; /* bad handle */ |
320 | _doserrno = 0L; /* not an OS error */ | |
321 | return -1; | |
62045984 | 322 | } |
323 | } | |
324 | #endif | |
325 | ||
326 | struct errorentry { | |
327 | unsigned long WIN32_code; | |
328 | int POSIX_errno; | |
329 | }; | |
330 | ||
26ac0430 | 331 | static struct errorentry errortable[] = { |
62045984 | 332 | {ERROR_INVALID_FUNCTION, EINVAL}, |
333 | {ERROR_FILE_NOT_FOUND, ENOENT}, | |
334 | {ERROR_PATH_NOT_FOUND, ENOENT}, | |
335 | {ERROR_TOO_MANY_OPEN_FILES, EMFILE}, | |
336 | {ERROR_ACCESS_DENIED, EACCES}, | |
337 | {ERROR_INVALID_HANDLE, EBADF}, | |
338 | {ERROR_ARENA_TRASHED, ENOMEM}, | |
339 | {ERROR_NOT_ENOUGH_MEMORY, ENOMEM}, | |
340 | {ERROR_INVALID_BLOCK, ENOMEM}, | |
341 | {ERROR_BAD_ENVIRONMENT, E2BIG}, | |
342 | {ERROR_BAD_FORMAT, ENOEXEC}, | |
343 | {ERROR_INVALID_ACCESS, EINVAL}, | |
344 | {ERROR_INVALID_DATA, EINVAL}, | |
345 | {ERROR_INVALID_DRIVE, ENOENT}, | |
346 | {ERROR_CURRENT_DIRECTORY, EACCES}, | |
347 | {ERROR_NOT_SAME_DEVICE, EXDEV}, | |
348 | {ERROR_NO_MORE_FILES, ENOENT}, | |
349 | {ERROR_LOCK_VIOLATION, EACCES}, | |
350 | {ERROR_BAD_NETPATH, ENOENT}, | |
351 | {ERROR_NETWORK_ACCESS_DENIED, EACCES}, | |
352 | {ERROR_BAD_NET_NAME, ENOENT}, | |
353 | {ERROR_FILE_EXISTS, EEXIST}, | |
354 | {ERROR_CANNOT_MAKE, EACCES}, | |
355 | {ERROR_FAIL_I24, EACCES}, | |
356 | {ERROR_INVALID_PARAMETER, EINVAL}, | |
357 | {ERROR_NO_PROC_SLOTS, EAGAIN}, | |
358 | {ERROR_DRIVE_LOCKED, EACCES}, | |
359 | {ERROR_BROKEN_PIPE, EPIPE}, | |
360 | {ERROR_DISK_FULL, ENOSPC}, | |
361 | {ERROR_INVALID_TARGET_HANDLE, EBADF}, | |
362 | {ERROR_INVALID_HANDLE, EINVAL}, | |
363 | {ERROR_WAIT_NO_CHILDREN, ECHILD}, | |
364 | {ERROR_CHILD_NOT_COMPLETE, ECHILD}, | |
365 | {ERROR_DIRECT_ACCESS_HANDLE, EBADF}, | |
366 | {ERROR_NEGATIVE_SEEK, EINVAL}, | |
367 | {ERROR_SEEK_ON_DEVICE, EACCES}, | |
368 | {ERROR_DIR_NOT_EMPTY, ENOTEMPTY}, | |
369 | {ERROR_NOT_LOCKED, EACCES}, | |
370 | {ERROR_BAD_PATHNAME, ENOENT}, | |
371 | {ERROR_MAX_THRDS_REACHED, EAGAIN}, | |
372 | {ERROR_LOCK_FAILED, EACCES}, | |
373 | {ERROR_ALREADY_EXISTS, EEXIST}, | |
374 | {ERROR_FILENAME_EXCED_RANGE, ENOENT}, | |
375 | {ERROR_NESTING_NOT_ALLOWED, EAGAIN}, | |
376 | {ERROR_NOT_ENOUGH_QUOTA, ENOMEM} | |
377 | }; | |
378 | ||
379 | #define MIN_EXEC_ERROR ERROR_INVALID_STARTING_CODESEG | |
380 | #define MAX_EXEC_ERROR ERROR_INFLOOP_IN_RELOC_CHAIN | |
381 | ||
382 | #define MIN_EACCES_RANGE ERROR_WRITE_PROTECT | |
383 | #define MAX_EACCES_RANGE ERROR_SHARING_BUFFER_EXCEEDED | |
384 | ||
26ac0430 | 385 | void |
62045984 | 386 | WIN32_maperror(unsigned long WIN32_oserrno) |
387 | { | |
388 | int i; | |
389 | ||
390 | _doserrno = WIN32_oserrno; | |
391 | for (i = 0; i < (sizeof(errortable) / sizeof(struct errorentry)); ++i) { | |
26ac0430 AJ |
392 | if (WIN32_oserrno == errortable[i].WIN32_code) { |
393 | errno = errortable[i].POSIX_errno; | |
394 | return; | |
395 | } | |
62045984 | 396 | } |
397 | if (WIN32_oserrno >= MIN_EACCES_RANGE && WIN32_oserrno <= MAX_EACCES_RANGE) | |
26ac0430 | 398 | errno = EACCES; |
62045984 | 399 | else if (WIN32_oserrno >= MIN_EXEC_ERROR && WIN32_oserrno <= MAX_EXEC_ERROR) |
26ac0430 | 400 | errno = ENOEXEC; |
62045984 | 401 | else |
26ac0430 | 402 | errno = EINVAL; |
62045984 | 403 | } |
404 | #endif |