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Commit | Line | Data |
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aa6bb135 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
0a150c5c | 3 | * |
aa6bb135 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
0a150c5c | 8 | */ |
d02b48c6 RE |
9 | |
10 | #include <stdio.h> | |
4565c3e3 | 11 | #include <stdarg.h> |
0a150c5c | 12 | #include <string.h> |
7b9f8f7f | 13 | #include <internal/cryptlib_int.h> |
ff234405 | 14 | #include <internal/err.h> |
c3a64b52 | 15 | #include <internal/err_int.h> |
ec577822 BM |
16 | #include <openssl/lhash.h> |
17 | #include <openssl/crypto.h> | |
ec577822 | 18 | #include <openssl/buffer.h> |
e5c84d51 | 19 | #include <openssl/bio.h> |
98186eb4 | 20 | #include <openssl/opensslconf.h> |
3c1d6bbc | 21 | |
cf5bfbfc BM |
22 | static void err_load_strings(int lib, ERR_STRING_DATA *str); |
23 | ||
58964a49 | 24 | static void ERR_STATE_free(ERR_STATE *s); |
cf1b7d96 | 25 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
26 | static ERR_STRING_DATA ERR_str_libraries[] = { |
27 | {ERR_PACK(ERR_LIB_NONE, 0, 0), "unknown library"}, | |
28 | {ERR_PACK(ERR_LIB_SYS, 0, 0), "system library"}, | |
29 | {ERR_PACK(ERR_LIB_BN, 0, 0), "bignum routines"}, | |
30 | {ERR_PACK(ERR_LIB_RSA, 0, 0), "rsa routines"}, | |
31 | {ERR_PACK(ERR_LIB_DH, 0, 0), "Diffie-Hellman routines"}, | |
32 | {ERR_PACK(ERR_LIB_EVP, 0, 0), "digital envelope routines"}, | |
33 | {ERR_PACK(ERR_LIB_BUF, 0, 0), "memory buffer routines"}, | |
34 | {ERR_PACK(ERR_LIB_OBJ, 0, 0), "object identifier routines"}, | |
35 | {ERR_PACK(ERR_LIB_PEM, 0, 0), "PEM routines"}, | |
36 | {ERR_PACK(ERR_LIB_DSA, 0, 0), "dsa routines"}, | |
37 | {ERR_PACK(ERR_LIB_X509, 0, 0), "x509 certificate routines"}, | |
38 | {ERR_PACK(ERR_LIB_ASN1, 0, 0), "asn1 encoding routines"}, | |
39 | {ERR_PACK(ERR_LIB_CONF, 0, 0), "configuration file routines"}, | |
40 | {ERR_PACK(ERR_LIB_CRYPTO, 0, 0), "common libcrypto routines"}, | |
41 | {ERR_PACK(ERR_LIB_EC, 0, 0), "elliptic curve routines"}, | |
42 | {ERR_PACK(ERR_LIB_ECDSA, 0, 0), "ECDSA routines"}, | |
43 | {ERR_PACK(ERR_LIB_ECDH, 0, 0), "ECDH routines"}, | |
44 | {ERR_PACK(ERR_LIB_SSL, 0, 0), "SSL routines"}, | |
45 | {ERR_PACK(ERR_LIB_BIO, 0, 0), "BIO routines"}, | |
46 | {ERR_PACK(ERR_LIB_PKCS7, 0, 0), "PKCS7 routines"}, | |
47 | {ERR_PACK(ERR_LIB_X509V3, 0, 0), "X509 V3 routines"}, | |
48 | {ERR_PACK(ERR_LIB_PKCS12, 0, 0), "PKCS12 routines"}, | |
49 | {ERR_PACK(ERR_LIB_RAND, 0, 0), "random number generator"}, | |
50 | {ERR_PACK(ERR_LIB_DSO, 0, 0), "DSO support routines"}, | |
51 | {ERR_PACK(ERR_LIB_TS, 0, 0), "time stamp routines"}, | |
52 | {ERR_PACK(ERR_LIB_ENGINE, 0, 0), "engine routines"}, | |
53 | {ERR_PACK(ERR_LIB_OCSP, 0, 0), "OCSP routines"}, | |
54 | {ERR_PACK(ERR_LIB_FIPS, 0, 0), "FIPS routines"}, | |
55 | {ERR_PACK(ERR_LIB_CMS, 0, 0), "CMS routines"}, | |
56 | {ERR_PACK(ERR_LIB_HMAC, 0, 0), "HMAC routines"}, | |
0cea8832 | 57 | {ERR_PACK(ERR_LIB_CT, 0, 0), "CT routines"}, |
079a1a90 | 58 | {ERR_PACK(ERR_LIB_ASYNC, 0, 0), "ASYNC routines"}, |
3e30fa0a | 59 | {ERR_PACK(ERR_LIB_KDF, 0, 0), "KDF routines"}, |
0f113f3e MC |
60 | {0, NULL}, |
61 | }; | |
62 | ||
63 | static ERR_STRING_DATA ERR_str_functs[] = { | |
64 | {ERR_PACK(0, SYS_F_FOPEN, 0), "fopen"}, | |
65 | {ERR_PACK(0, SYS_F_CONNECT, 0), "connect"}, | |
66 | {ERR_PACK(0, SYS_F_GETSERVBYNAME, 0), "getservbyname"}, | |
67 | {ERR_PACK(0, SYS_F_SOCKET, 0), "socket"}, | |
68 | {ERR_PACK(0, SYS_F_IOCTLSOCKET, 0), "ioctlsocket"}, | |
69 | {ERR_PACK(0, SYS_F_BIND, 0), "bind"}, | |
70 | {ERR_PACK(0, SYS_F_LISTEN, 0), "listen"}, | |
71 | {ERR_PACK(0, SYS_F_ACCEPT, 0), "accept"}, | |
72 | # ifdef OPENSSL_SYS_WINDOWS | |
73 | {ERR_PACK(0, SYS_F_WSASTARTUP, 0), "WSAstartup"}, | |
74 | # endif | |
75 | {ERR_PACK(0, SYS_F_OPENDIR, 0), "opendir"}, | |
76 | {ERR_PACK(0, SYS_F_FREAD, 0), "fread"}, | |
83be2778 RL |
77 | {ERR_PACK(0, SYS_F_GETADDRINFO, 0), "getaddrinfo"}, |
78 | {ERR_PACK(0, SYS_F_GETNAMEINFO, 0), "getnameinfo"}, | |
d33b215b RL |
79 | {ERR_PACK(0, SYS_F_SETSOCKOPT, 0), "setsockopt"}, |
80 | {ERR_PACK(0, SYS_F_GETSOCKOPT, 0), "getsockopt"}, | |
81 | {ERR_PACK(0, SYS_F_GETSOCKNAME, 0), "getsockname"}, | |
c86d1f19 | 82 | {ERR_PACK(0, SYS_F_GETHOSTBYNAME, 0), "gethostbyname"}, |
0f113f3e MC |
83 | {0, NULL}, |
84 | }; | |
85 | ||
86 | static ERR_STRING_DATA ERR_str_reasons[] = { | |
87 | {ERR_R_SYS_LIB, "system lib"}, | |
88 | {ERR_R_BN_LIB, "BN lib"}, | |
89 | {ERR_R_RSA_LIB, "RSA lib"}, | |
90 | {ERR_R_DH_LIB, "DH lib"}, | |
91 | {ERR_R_EVP_LIB, "EVP lib"}, | |
92 | {ERR_R_BUF_LIB, "BUF lib"}, | |
93 | {ERR_R_OBJ_LIB, "OBJ lib"}, | |
94 | {ERR_R_PEM_LIB, "PEM lib"}, | |
95 | {ERR_R_DSA_LIB, "DSA lib"}, | |
96 | {ERR_R_X509_LIB, "X509 lib"}, | |
97 | {ERR_R_ASN1_LIB, "ASN1 lib"}, | |
0f113f3e | 98 | {ERR_R_EC_LIB, "EC lib"}, |
0f113f3e MC |
99 | {ERR_R_BIO_LIB, "BIO lib"}, |
100 | {ERR_R_PKCS7_LIB, "PKCS7 lib"}, | |
101 | {ERR_R_X509V3_LIB, "X509V3 lib"}, | |
0f113f3e | 102 | {ERR_R_ENGINE_LIB, "ENGINE lib"}, |
0f113f3e MC |
103 | {ERR_R_ECDSA_LIB, "ECDSA lib"}, |
104 | ||
105 | {ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"}, | |
0f113f3e MC |
106 | {ERR_R_MISSING_ASN1_EOS, "missing asn1 eos"}, |
107 | ||
108 | {ERR_R_FATAL, "fatal"}, | |
109 | {ERR_R_MALLOC_FAILURE, "malloc failure"}, | |
110 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED, | |
111 | "called a function you should not call"}, | |
112 | {ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"}, | |
113 | {ERR_R_INTERNAL_ERROR, "internal error"}, | |
114 | {ERR_R_DISABLED, "called a function that was disabled at compile-time"}, | |
302f7588 | 115 | {ERR_R_INIT_FAIL, "init fail"}, |
0f113f3e MC |
116 | |
117 | {0, NULL}, | |
118 | }; | |
d02b48c6 | 119 | #endif |
0a150c5c | 120 | |
8509dcc9 AG |
121 | static CRYPTO_ONCE err_init = CRYPTO_ONCE_STATIC_INIT; |
122 | static CRYPTO_THREAD_LOCAL err_thread_local; | |
123 | ||
7b8e12d2 AG |
124 | static CRYPTO_ONCE err_string_init = CRYPTO_ONCE_STATIC_INIT; |
125 | static CRYPTO_RWLOCK *err_string_lock; | |
126 | ||
566bdf2b | 127 | /* Predeclarations of the "err_defaults" functions */ |
3e47caff | 128 | static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit); |
566bdf2b | 129 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); |
566bdf2b | 130 | |
0f113f3e | 131 | /* |
3e47caff | 132 | * The internal state |
0f113f3e | 133 | */ |
f3f1cf84 | 134 | |
3c1d6bbc | 135 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
0f113f3e | 136 | static int int_err_library_number = ERR_LIB_USER; |
566bdf2b | 137 | |
0f113f3e MC |
138 | static unsigned long get_error_values(int inc, int top, const char **file, |
139 | int *line, const char **data, | |
140 | int *flags); | |
566bdf2b | 141 | |
3c1d6bbc | 142 | static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) |
0f113f3e MC |
143 | { |
144 | unsigned long ret, l; | |
145 | ||
146 | l = a->error; | |
147 | ret = l ^ ERR_GET_LIB(l) ^ ERR_GET_FUNC(l); | |
148 | return (ret ^ ret % 19 * 13); | |
149 | } | |
3c1d6bbc | 150 | |
3c1d6bbc | 151 | static int err_string_data_cmp(const ERR_STRING_DATA *a, |
0f113f3e MC |
152 | const ERR_STRING_DATA *b) |
153 | { | |
154 | return (int)(a->error - b->error); | |
155 | } | |
156 | ||
3e47caff | 157 | static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit) |
0f113f3e MC |
158 | { |
159 | LHASH_OF(ERR_STRING_DATA) *ret = NULL; | |
160 | ||
3e47caff | 161 | if (lockit) |
7b8e12d2 | 162 | CRYPTO_THREAD_write_lock(err_string_lock); |
0f113f3e | 163 | if (!int_error_hash && create) { |
62d0577e DSH |
164 | int_error_hash = lh_ERR_STRING_DATA_new(err_string_data_hash, |
165 | err_string_data_cmp); | |
0f113f3e | 166 | } |
90945fa3 | 167 | if (int_error_hash != NULL) |
0f113f3e | 168 | ret = int_error_hash; |
3e47caff | 169 | if (lockit) |
7b8e12d2 | 170 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e MC |
171 | |
172 | return ret; | |
173 | } | |
567fef89 | 174 | |
566bdf2b | 175 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
0f113f3e | 176 | { |
3e47caff | 177 | ERR_STRING_DATA *p = NULL; |
0f113f3e | 178 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 179 | |
7b8e12d2 | 180 | CRYPTO_THREAD_read_lock(err_string_lock); |
3e47caff RS |
181 | hash = get_hash(0, 0); |
182 | if (hash) | |
183 | p = lh_ERR_STRING_DATA_retrieve(hash, d); | |
7b8e12d2 | 184 | CRYPTO_THREAD_unlock(err_string_lock); |
78f79235 | 185 | |
0f113f3e MC |
186 | return p; |
187 | } | |
567fef89 | 188 | |
758f942b | 189 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
190 | # define NUM_SYS_STR_REASONS 127 |
191 | # define LEN_SYS_STR_REASON 32 | |
0a150c5c BM |
192 | |
193 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
0f113f3e MC |
194 | /* |
195 | * SYS_str_reasons is filled with copies of strerror() results at | |
196 | * initialization. 'errno' values up to 127 should cover all usual errors, | |
197 | * others will be displayed numerically by ERR_error_string. It is crucial | |
198 | * that we have something for each reason code that occurs in | |
199 | * ERR_str_reasons, or bogus reason strings will be returned for SYSerr(), | |
200 | * which always gets an errno value and never one of those 'standard' reason | |
201 | * codes. | |
202 | */ | |
0a150c5c | 203 | |
41a15c4f | 204 | static void build_SYS_str_reasons(void) |
0f113f3e MC |
205 | { |
206 | /* OPENSSL_malloc cannot be used here, use static storage instead */ | |
207 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; | |
0f113f3e | 208 | static int init = 1; |
3e47caff | 209 | int i; |
0f113f3e | 210 | |
7b8e12d2 | 211 | CRYPTO_THREAD_write_lock(err_string_lock); |
0f113f3e | 212 | if (!init) { |
7b8e12d2 | 213 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e MC |
214 | return; |
215 | } | |
216 | ||
217 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) { | |
218 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
219 | ||
220 | str->error = (unsigned long)i; | |
221 | if (str->string == NULL) { | |
222 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
223 | char *src = strerror(i); | |
224 | if (src != NULL) { | |
b4faea50 RS |
225 | strncpy(*dest, src, sizeof(*dest)); |
226 | (*dest)[sizeof(*dest) - 1] = '\0'; | |
0f113f3e MC |
227 | str->string = *dest; |
228 | } | |
229 | } | |
230 | if (str->string == NULL) | |
231 | str->string = "unknown"; | |
232 | } | |
233 | ||
234 | /* | |
235 | * Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, as | |
236 | * required by ERR_load_strings. | |
237 | */ | |
238 | ||
239 | init = 0; | |
240 | ||
7b8e12d2 | 241 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e | 242 | } |
d02b48c6 RE |
243 | #endif |
244 | ||
58964a49 | 245 | #define err_clear_data(p,i) \ |
0f113f3e | 246 | do { \ |
b548a1f1 | 247 | if ((p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ |
0f113f3e MC |
248 | { \ |
249 | OPENSSL_free((p)->err_data[i]); \ | |
250 | (p)->err_data[i]=NULL; \ | |
251 | } \ | |
252 | (p)->err_data_flags[i]=0; \ | |
253 | } while(0) | |
54f64516 RL |
254 | |
255 | #define err_clear(p,i) \ | |
0f113f3e MC |
256 | do { \ |
257 | (p)->err_flags[i]=0; \ | |
258 | (p)->err_buffer[i]=0; \ | |
259 | err_clear_data(p,i); \ | |
260 | (p)->err_file[i]=NULL; \ | |
261 | (p)->err_line[i]= -1; \ | |
262 | } while(0) | |
58964a49 | 263 | |
6b691a5c | 264 | static void ERR_STATE_free(ERR_STATE *s) |
0f113f3e MC |
265 | { |
266 | int i; | |
58964a49 | 267 | |
0f113f3e MC |
268 | if (s == NULL) |
269 | return; | |
e03ddfae | 270 | |
0f113f3e MC |
271 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
272 | err_clear_data(s, i); | |
273 | } | |
274 | OPENSSL_free(s); | |
275 | } | |
58964a49 | 276 | |
7b8e12d2 AG |
277 | static void do_err_strings_init(void) |
278 | { | |
7b8e12d2 | 279 | err_string_lock = CRYPTO_THREAD_lock_new(); |
ff234405 MC |
280 | } |
281 | ||
282 | void err_cleanup(void) | |
283 | { | |
284 | CRYPTO_THREAD_lock_free(err_string_lock); | |
285 | err_string_lock = NULL; | |
7b8e12d2 AG |
286 | } |
287 | ||
6b691a5c | 288 | void ERR_load_ERR_strings(void) |
0f113f3e | 289 | { |
cf1b7d96 | 290 | #ifndef OPENSSL_NO_ERR |
7b8e12d2 AG |
291 | CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init); |
292 | ||
0f113f3e MC |
293 | err_load_strings(0, ERR_str_libraries); |
294 | err_load_strings(0, ERR_str_reasons); | |
295 | err_load_strings(ERR_LIB_SYS, ERR_str_functs); | |
296 | build_SYS_str_reasons(); | |
297 | err_load_strings(ERR_LIB_SYS, SYS_str_reasons); | |
d02b48c6 | 298 | #endif |
0f113f3e | 299 | } |
d02b48c6 | 300 | |
cf5bfbfc | 301 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 302 | { |
3e47caff RS |
303 | LHASH_OF(ERR_STRING_DATA) *hash; |
304 | ||
7b8e12d2 | 305 | CRYPTO_THREAD_write_lock(err_string_lock); |
3e47caff RS |
306 | hash = get_hash(1, 0); |
307 | if (hash) { | |
308 | for (; str->error; str++) { | |
309 | if (lib) | |
310 | str->error |= ERR_PACK(lib, 0, 0); | |
311 | (void)lh_ERR_STRING_DATA_insert(hash, str); | |
312 | } | |
0f113f3e | 313 | } |
7b8e12d2 | 314 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e | 315 | } |
d02b48c6 | 316 | |
cf5bfbfc | 317 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e MC |
318 | { |
319 | ERR_load_ERR_strings(); | |
320 | err_load_strings(lib, str); | |
321 | } | |
cf5bfbfc | 322 | |
1738bb61 | 323 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 324 | { |
3e47caff RS |
325 | LHASH_OF(ERR_STRING_DATA) *hash; |
326 | ||
7b8e12d2 AG |
327 | CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init); |
328 | ||
329 | CRYPTO_THREAD_write_lock(err_string_lock); | |
3e47caff RS |
330 | hash = get_hash(0, 0); |
331 | if (hash) { | |
332 | for (; str->error; str++) { | |
333 | if (lib) | |
334 | str->error |= ERR_PACK(lib, 0, 0); | |
335 | (void)lh_ERR_STRING_DATA_delete(hash, str); | |
336 | } | |
0f113f3e | 337 | } |
7b8e12d2 | 338 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e | 339 | } |
1738bb61 | 340 | |
b3599dbb | 341 | void err_free_strings_int(void) |
0f113f3e | 342 | { |
7b8e12d2 AG |
343 | CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init); |
344 | ||
345 | CRYPTO_THREAD_write_lock(err_string_lock); | |
25aaa98a RS |
346 | lh_ERR_STRING_DATA_free(int_error_hash); |
347 | int_error_hash = NULL; | |
7b8e12d2 | 348 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e | 349 | } |
d02b48c6 | 350 | |
58964a49 RE |
351 | /********************************************************/ |
352 | ||
0f113f3e MC |
353 | void ERR_put_error(int lib, int func, int reason, const char *file, int line) |
354 | { | |
355 | ERR_STATE *es; | |
d02b48c6 | 356 | |
a53955d8 | 357 | #ifdef _OSD_POSIX |
0f113f3e MC |
358 | /* |
359 | * In the BS2000-OSD POSIX subsystem, the compiler generates path names | |
360 | * in the form "*POSIX(/etc/passwd)". This dirty hack strips them to | |
361 | * something sensible. @@@ We shouldn't modify a const string, though. | |
362 | */ | |
363 | if (strncmp(file, "*POSIX(", sizeof("*POSIX(") - 1) == 0) { | |
364 | char *end; | |
365 | ||
366 | /* Skip the "*POSIX(" prefix */ | |
367 | file += sizeof("*POSIX(") - 1; | |
368 | end = &file[strlen(file) - 1]; | |
369 | if (*end == ')') | |
370 | *end = '\0'; | |
371 | /* Optional: use the basename of the path only. */ | |
372 | if ((end = strrchr(file, '/')) != NULL) | |
373 | file = &end[1]; | |
374 | } | |
a53955d8 | 375 | #endif |
0f113f3e MC |
376 | es = ERR_get_state(); |
377 | ||
378 | es->top = (es->top + 1) % ERR_NUM_ERRORS; | |
379 | if (es->top == es->bottom) | |
380 | es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS; | |
381 | es->err_flags[es->top] = 0; | |
382 | es->err_buffer[es->top] = ERR_PACK(lib, func, reason); | |
383 | es->err_file[es->top] = file; | |
384 | es->err_line[es->top] = line; | |
385 | err_clear_data(es, es->top); | |
386 | } | |
d02b48c6 | 387 | |
6b691a5c | 388 | void ERR_clear_error(void) |
0f113f3e MC |
389 | { |
390 | int i; | |
391 | ERR_STATE *es; | |
d02b48c6 | 392 | |
0f113f3e | 393 | es = ERR_get_state(); |
d02b48c6 | 394 | |
0f113f3e MC |
395 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
396 | err_clear(es, i); | |
397 | } | |
398 | es->top = es->bottom = 0; | |
399 | } | |
d02b48c6 | 400 | |
6b691a5c | 401 | unsigned long ERR_get_error(void) |
0f113f3e MC |
402 | { |
403 | return (get_error_values(1, 0, NULL, NULL, NULL, NULL)); | |
404 | } | |
d02b48c6 | 405 | |
0f113f3e MC |
406 | unsigned long ERR_get_error_line(const char **file, int *line) |
407 | { | |
408 | return (get_error_values(1, 0, file, line, NULL, NULL)); | |
409 | } | |
d02b48c6 | 410 | |
6b691a5c | 411 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
0f113f3e MC |
412 | const char **data, int *flags) |
413 | { | |
414 | return (get_error_values(1, 0, file, line, data, flags)); | |
415 | } | |
273db408 | 416 | |
6b691a5c | 417 | unsigned long ERR_peek_error(void) |
0f113f3e MC |
418 | { |
419 | return (get_error_values(0, 0, NULL, NULL, NULL, NULL)); | |
420 | } | |
d02b48c6 | 421 | |
a14e2d9d | 422 | unsigned long ERR_peek_error_line(const char **file, int *line) |
0f113f3e MC |
423 | { |
424 | return (get_error_values(0, 0, file, line, NULL, NULL)); | |
425 | } | |
0fc5cf08 | 426 | |
6b691a5c | 427 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
0f113f3e MC |
428 | const char **data, int *flags) |
429 | { | |
430 | return (get_error_values(0, 0, file, line, data, flags)); | |
431 | } | |
273db408 BM |
432 | |
433 | unsigned long ERR_peek_last_error(void) | |
0f113f3e MC |
434 | { |
435 | return (get_error_values(0, 1, NULL, NULL, NULL, NULL)); | |
436 | } | |
273db408 BM |
437 | |
438 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
0f113f3e MC |
439 | { |
440 | return (get_error_values(0, 1, file, line, NULL, NULL)); | |
441 | } | |
273db408 | 442 | |
a14e2d9d | 443 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
0f113f3e MC |
444 | const char **data, int *flags) |
445 | { | |
446 | return (get_error_values(0, 1, file, line, data, flags)); | |
447 | } | |
448 | ||
449 | static unsigned long get_error_values(int inc, int top, const char **file, | |
450 | int *line, const char **data, | |
451 | int *flags) | |
452 | { | |
453 | int i = 0; | |
454 | ERR_STATE *es; | |
455 | unsigned long ret; | |
456 | ||
457 | es = ERR_get_state(); | |
458 | ||
459 | if (inc && top) { | |
460 | if (file) | |
461 | *file = ""; | |
462 | if (line) | |
463 | *line = 0; | |
464 | if (data) | |
465 | *data = ""; | |
466 | if (flags) | |
467 | *flags = 0; | |
468 | ||
469 | return ERR_R_INTERNAL_ERROR; | |
470 | } | |
471 | ||
472 | if (es->bottom == es->top) | |
473 | return 0; | |
474 | if (top) | |
475 | i = es->top; /* last error */ | |
476 | else | |
477 | i = (es->bottom + 1) % ERR_NUM_ERRORS; /* first error */ | |
478 | ||
479 | ret = es->err_buffer[i]; | |
480 | if (inc) { | |
481 | es->bottom = i; | |
482 | es->err_buffer[i] = 0; | |
483 | } | |
484 | ||
485 | if ((file != NULL) && (line != NULL)) { | |
486 | if (es->err_file[i] == NULL) { | |
487 | *file = "NA"; | |
488 | if (line != NULL) | |
489 | *line = 0; | |
490 | } else { | |
491 | *file = es->err_file[i]; | |
492 | if (line != NULL) | |
493 | *line = es->err_line[i]; | |
494 | } | |
495 | } | |
496 | ||
497 | if (data == NULL) { | |
498 | if (inc) { | |
499 | err_clear_data(es, i); | |
500 | } | |
501 | } else { | |
502 | if (es->err_data[i] == NULL) { | |
503 | *data = ""; | |
504 | if (flags != NULL) | |
505 | *flags = 0; | |
506 | } else { | |
507 | *data = es->err_data[i]; | |
508 | if (flags != NULL) | |
509 | *flags = es->err_data_flags[i]; | |
510 | } | |
511 | } | |
512 | return ret; | |
513 | } | |
d02b48c6 | 514 | |
e5c84d51 | 515 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
0f113f3e MC |
516 | { |
517 | char lsbuf[64], fsbuf[64], rsbuf[64]; | |
518 | const char *ls, *fs, *rs; | |
519 | unsigned long l, f, r; | |
520 | ||
521 | l = ERR_GET_LIB(e); | |
522 | f = ERR_GET_FUNC(e); | |
523 | r = ERR_GET_REASON(e); | |
524 | ||
525 | ls = ERR_lib_error_string(e); | |
526 | fs = ERR_func_error_string(e); | |
527 | rs = ERR_reason_error_string(e); | |
528 | ||
529 | if (ls == NULL) | |
530 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
531 | if (fs == NULL) | |
532 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); | |
533 | if (rs == NULL) | |
534 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); | |
535 | ||
536 | BIO_snprintf(buf, len, "error:%08lX:%s:%s:%s", e, ls ? ls : lsbuf, | |
537 | fs ? fs : fsbuf, rs ? rs : rsbuf); | |
538 | if (strlen(buf) == len - 1) { | |
539 | /* | |
540 | * output may be truncated; make sure we always have 5 | |
541 | * colon-separated fields, i.e. 4 colons ... | |
542 | */ | |
e5c84d51 | 543 | #define NUM_COLONS 4 |
0f113f3e MC |
544 | if (len > NUM_COLONS) { /* ... if possible */ |
545 | int i; | |
546 | char *s = buf; | |
547 | ||
548 | for (i = 0; i < NUM_COLONS; i++) { | |
549 | char *colon = strchr(s, ':'); | |
550 | if (colon == NULL || colon > &buf[len - 1] - NUM_COLONS + i) { | |
551 | /* | |
552 | * set colon no. i at last possible position (buf[len-1] | |
553 | * is the terminating 0) | |
554 | */ | |
555 | colon = &buf[len - 1] - NUM_COLONS + i; | |
556 | *colon = ':'; | |
557 | } | |
558 | s = colon + 1; | |
559 | } | |
560 | } | |
561 | } | |
562 | } | |
e5c84d51 | 563 | |
0f113f3e MC |
564 | /* |
565 | * ERR_error_string_n should be used instead for ret != NULL as | |
566 | * ERR_error_string cannot know how large the buffer is | |
567 | */ | |
e5c84d51 | 568 | char *ERR_error_string(unsigned long e, char *ret) |
0f113f3e MC |
569 | { |
570 | static char buf[256]; | |
e5c84d51 | 571 | |
0f113f3e MC |
572 | if (ret == NULL) |
573 | ret = buf; | |
574 | ERR_error_string_n(e, ret, 256); | |
d02b48c6 | 575 | |
0f113f3e MC |
576 | return ret; |
577 | } | |
d02b48c6 | 578 | |
3c1d6bbc | 579 | LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void) |
0f113f3e | 580 | { |
3e47caff | 581 | return get_hash(0, 1); |
0f113f3e | 582 | } |
d02b48c6 | 583 | |
6b691a5c | 584 | const char *ERR_lib_error_string(unsigned long e) |
0f113f3e MC |
585 | { |
586 | ERR_STRING_DATA d, *p; | |
587 | unsigned long l; | |
d02b48c6 | 588 | |
7b8e12d2 AG |
589 | CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init); |
590 | ||
0f113f3e MC |
591 | l = ERR_GET_LIB(e); |
592 | d.error = ERR_PACK(l, 0, 0); | |
3e47caff | 593 | p = int_err_get_item(&d); |
0f113f3e MC |
594 | return ((p == NULL) ? NULL : p->string); |
595 | } | |
d02b48c6 | 596 | |
6b691a5c | 597 | const char *ERR_func_error_string(unsigned long e) |
0f113f3e MC |
598 | { |
599 | ERR_STRING_DATA d, *p; | |
600 | unsigned long l, f; | |
601 | ||
7b8e12d2 AG |
602 | CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init); |
603 | ||
0f113f3e MC |
604 | l = ERR_GET_LIB(e); |
605 | f = ERR_GET_FUNC(e); | |
606 | d.error = ERR_PACK(l, f, 0); | |
3e47caff | 607 | p = int_err_get_item(&d); |
0f113f3e MC |
608 | return ((p == NULL) ? NULL : p->string); |
609 | } | |
d02b48c6 | 610 | |
6b691a5c | 611 | const char *ERR_reason_error_string(unsigned long e) |
0f113f3e MC |
612 | { |
613 | ERR_STRING_DATA d, *p = NULL; | |
614 | unsigned long l, r; | |
615 | ||
7b8e12d2 AG |
616 | CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init); |
617 | ||
0f113f3e MC |
618 | l = ERR_GET_LIB(e); |
619 | r = ERR_GET_REASON(e); | |
620 | d.error = ERR_PACK(l, 0, r); | |
3e47caff | 621 | p = int_err_get_item(&d); |
0f113f3e MC |
622 | if (!p) { |
623 | d.error = ERR_PACK(0, 0, r); | |
3e47caff | 624 | p = int_err_get_item(&d); |
0f113f3e MC |
625 | } |
626 | return ((p == NULL) ? NULL : p->string); | |
627 | } | |
d02b48c6 | 628 | |
21e00174 | 629 | void err_delete_thread_state(void) |
0f113f3e | 630 | { |
8509dcc9 AG |
631 | ERR_STATE *state = ERR_get_state(); |
632 | if (state == NULL) | |
633 | return; | |
0f113f3e | 634 | |
8509dcc9 AG |
635 | CRYPTO_THREAD_set_local(&err_thread_local, NULL); |
636 | ERR_STATE_free(state); | |
0f113f3e | 637 | } |
d02b48c6 | 638 | |
21e00174 RL |
639 | #if OPENSSL_API_COMPAT < 0x10000000L |
640 | void ERR_remove_thread_state(void *dummy) | |
641 | { | |
642 | } | |
643 | #endif | |
644 | ||
98186eb4 | 645 | #if OPENSSL_API_COMPAT < 0x10000000L |
4c329696 | 646 | void ERR_remove_state(unsigned long pid) |
0f113f3e | 647 | { |
0f113f3e | 648 | } |
4c329696 GT |
649 | #endif |
650 | ||
8509dcc9 AG |
651 | static void err_do_init(void) |
652 | { | |
653 | CRYPTO_THREAD_init_local(&err_thread_local, NULL); | |
654 | } | |
655 | ||
6b691a5c | 656 | ERR_STATE *ERR_get_state(void) |
0f113f3e | 657 | { |
8509dcc9 AG |
658 | ERR_STATE *state = NULL; |
659 | ||
660 | CRYPTO_THREAD_run_once(&err_init, err_do_init); | |
661 | ||
662 | state = CRYPTO_THREAD_get_local(&err_thread_local); | |
663 | ||
664 | if (state == NULL) { | |
665 | state = OPENSSL_zalloc(sizeof(*state)); | |
666 | if (state == NULL) | |
667 | return NULL; | |
668 | ||
669 | if (!CRYPTO_THREAD_set_local(&err_thread_local, state)) { | |
670 | ERR_STATE_free(state); | |
671 | return NULL; | |
0f113f3e | 672 | } |
0fc32b07 MC |
673 | |
674 | /* Ignore failures from these */ | |
f672aee4 | 675 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); |
7b9f8f7f | 676 | ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE); |
0f113f3e | 677 | } |
8509dcc9 AG |
678 | |
679 | return state; | |
0f113f3e | 680 | } |
d02b48c6 | 681 | |
6b691a5c | 682 | int ERR_get_next_error_library(void) |
0f113f3e | 683 | { |
3e47caff RS |
684 | int ret; |
685 | ||
7b8e12d2 AG |
686 | CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init); |
687 | ||
688 | CRYPTO_THREAD_write_lock(err_string_lock); | |
3e47caff | 689 | ret = int_err_library_number++; |
7b8e12d2 | 690 | CRYPTO_THREAD_unlock(err_string_lock); |
3e47caff | 691 | return ret; |
0f113f3e | 692 | } |
58964a49 | 693 | |
6b691a5c | 694 | void ERR_set_error_data(char *data, int flags) |
0f113f3e MC |
695 | { |
696 | ERR_STATE *es; | |
697 | int i; | |
58964a49 | 698 | |
0f113f3e | 699 | es = ERR_get_state(); |
58964a49 | 700 | |
0f113f3e MC |
701 | i = es->top; |
702 | if (i == 0) | |
703 | i = ERR_NUM_ERRORS - 1; | |
58964a49 | 704 | |
0f113f3e MC |
705 | err_clear_data(es, i); |
706 | es->err_data[i] = data; | |
707 | es->err_data_flags[i] = flags; | |
708 | } | |
58964a49 | 709 | |
4565c3e3 | 710 | void ERR_add_error_data(int num, ...) |
0f113f3e MC |
711 | { |
712 | va_list args; | |
713 | va_start(args, num); | |
714 | ERR_add_error_vdata(num, args); | |
715 | va_end(args); | |
716 | } | |
78c45722 DSH |
717 | |
718 | void ERR_add_error_vdata(int num, va_list args) | |
0f113f3e MC |
719 | { |
720 | int i, n, s; | |
721 | char *str, *p, *a; | |
722 | ||
723 | s = 80; | |
724 | str = OPENSSL_malloc(s + 1); | |
725 | if (str == NULL) | |
726 | return; | |
727 | str[0] = '\0'; | |
728 | ||
729 | n = 0; | |
730 | for (i = 0; i < num; i++) { | |
731 | a = va_arg(args, char *); | |
732 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ | |
733 | if (a != NULL) { | |
734 | n += strlen(a); | |
735 | if (n > s) { | |
736 | s = n + 20; | |
737 | p = OPENSSL_realloc(str, s + 1); | |
738 | if (p == NULL) { | |
739 | OPENSSL_free(str); | |
740 | return; | |
2d29e2df RS |
741 | } |
742 | str = p; | |
0f113f3e | 743 | } |
7644a9ae | 744 | OPENSSL_strlcat(str, a, (size_t)s + 1); |
0f113f3e MC |
745 | } |
746 | } | |
747 | ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING); | |
748 | } | |
54f64516 RL |
749 | |
750 | int ERR_set_mark(void) | |
0f113f3e MC |
751 | { |
752 | ERR_STATE *es; | |
54f64516 | 753 | |
0f113f3e | 754 | es = ERR_get_state(); |
54f64516 | 755 | |
0f113f3e MC |
756 | if (es->bottom == es->top) |
757 | return 0; | |
758 | es->err_flags[es->top] |= ERR_FLAG_MARK; | |
759 | return 1; | |
760 | } | |
54f64516 RL |
761 | |
762 | int ERR_pop_to_mark(void) | |
0f113f3e MC |
763 | { |
764 | ERR_STATE *es; | |
765 | ||
766 | es = ERR_get_state(); | |
767 | ||
768 | while (es->bottom != es->top | |
769 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) { | |
770 | err_clear(es, es->top); | |
771 | es->top -= 1; | |
772 | if (es->top == -1) | |
773 | es->top = ERR_NUM_ERRORS - 1; | |
774 | } | |
775 | ||
776 | if (es->bottom == es->top) | |
777 | return 0; | |
778 | es->err_flags[es->top] &= ~ERR_FLAG_MARK; | |
779 | return 1; | |
780 | } |