]>
Commit | Line | Data |
---|---|---|
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> |
c2e4e5d2 | 21 | #include <internal/thread_once.h> |
3c1d6bbc | 22 | |
cf5bfbfc BM |
23 | static void err_load_strings(int lib, ERR_STRING_DATA *str); |
24 | ||
58964a49 | 25 | static void ERR_STATE_free(ERR_STATE *s); |
cf1b7d96 | 26 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
27 | static ERR_STRING_DATA ERR_str_libraries[] = { |
28 | {ERR_PACK(ERR_LIB_NONE, 0, 0), "unknown library"}, | |
29 | {ERR_PACK(ERR_LIB_SYS, 0, 0), "system library"}, | |
30 | {ERR_PACK(ERR_LIB_BN, 0, 0), "bignum routines"}, | |
31 | {ERR_PACK(ERR_LIB_RSA, 0, 0), "rsa routines"}, | |
32 | {ERR_PACK(ERR_LIB_DH, 0, 0), "Diffie-Hellman routines"}, | |
33 | {ERR_PACK(ERR_LIB_EVP, 0, 0), "digital envelope routines"}, | |
34 | {ERR_PACK(ERR_LIB_BUF, 0, 0), "memory buffer routines"}, | |
35 | {ERR_PACK(ERR_LIB_OBJ, 0, 0), "object identifier routines"}, | |
36 | {ERR_PACK(ERR_LIB_PEM, 0, 0), "PEM routines"}, | |
37 | {ERR_PACK(ERR_LIB_DSA, 0, 0), "dsa routines"}, | |
38 | {ERR_PACK(ERR_LIB_X509, 0, 0), "x509 certificate routines"}, | |
39 | {ERR_PACK(ERR_LIB_ASN1, 0, 0), "asn1 encoding routines"}, | |
40 | {ERR_PACK(ERR_LIB_CONF, 0, 0), "configuration file routines"}, | |
41 | {ERR_PACK(ERR_LIB_CRYPTO, 0, 0), "common libcrypto routines"}, | |
42 | {ERR_PACK(ERR_LIB_EC, 0, 0), "elliptic curve routines"}, | |
43 | {ERR_PACK(ERR_LIB_ECDSA, 0, 0), "ECDSA routines"}, | |
44 | {ERR_PACK(ERR_LIB_ECDH, 0, 0), "ECDH routines"}, | |
45 | {ERR_PACK(ERR_LIB_SSL, 0, 0), "SSL routines"}, | |
46 | {ERR_PACK(ERR_LIB_BIO, 0, 0), "BIO routines"}, | |
47 | {ERR_PACK(ERR_LIB_PKCS7, 0, 0), "PKCS7 routines"}, | |
48 | {ERR_PACK(ERR_LIB_X509V3, 0, 0), "X509 V3 routines"}, | |
49 | {ERR_PACK(ERR_LIB_PKCS12, 0, 0), "PKCS12 routines"}, | |
50 | {ERR_PACK(ERR_LIB_RAND, 0, 0), "random number generator"}, | |
51 | {ERR_PACK(ERR_LIB_DSO, 0, 0), "DSO support routines"}, | |
52 | {ERR_PACK(ERR_LIB_TS, 0, 0), "time stamp routines"}, | |
53 | {ERR_PACK(ERR_LIB_ENGINE, 0, 0), "engine routines"}, | |
54 | {ERR_PACK(ERR_LIB_OCSP, 0, 0), "OCSP routines"}, | |
55 | {ERR_PACK(ERR_LIB_FIPS, 0, 0), "FIPS routines"}, | |
56 | {ERR_PACK(ERR_LIB_CMS, 0, 0), "CMS routines"}, | |
57 | {ERR_PACK(ERR_LIB_HMAC, 0, 0), "HMAC routines"}, | |
0cea8832 | 58 | {ERR_PACK(ERR_LIB_CT, 0, 0), "CT routines"}, |
079a1a90 | 59 | {ERR_PACK(ERR_LIB_ASYNC, 0, 0), "ASYNC routines"}, |
3e30fa0a | 60 | {ERR_PACK(ERR_LIB_KDF, 0, 0), "KDF routines"}, |
0f113f3e MC |
61 | {0, NULL}, |
62 | }; | |
63 | ||
64 | static ERR_STRING_DATA ERR_str_functs[] = { | |
65 | {ERR_PACK(0, SYS_F_FOPEN, 0), "fopen"}, | |
66 | {ERR_PACK(0, SYS_F_CONNECT, 0), "connect"}, | |
67 | {ERR_PACK(0, SYS_F_GETSERVBYNAME, 0), "getservbyname"}, | |
68 | {ERR_PACK(0, SYS_F_SOCKET, 0), "socket"}, | |
69 | {ERR_PACK(0, SYS_F_IOCTLSOCKET, 0), "ioctlsocket"}, | |
70 | {ERR_PACK(0, SYS_F_BIND, 0), "bind"}, | |
71 | {ERR_PACK(0, SYS_F_LISTEN, 0), "listen"}, | |
72 | {ERR_PACK(0, SYS_F_ACCEPT, 0), "accept"}, | |
73 | # ifdef OPENSSL_SYS_WINDOWS | |
74 | {ERR_PACK(0, SYS_F_WSASTARTUP, 0), "WSAstartup"}, | |
75 | # endif | |
76 | {ERR_PACK(0, SYS_F_OPENDIR, 0), "opendir"}, | |
77 | {ERR_PACK(0, SYS_F_FREAD, 0), "fread"}, | |
83be2778 RL |
78 | {ERR_PACK(0, SYS_F_GETADDRINFO, 0), "getaddrinfo"}, |
79 | {ERR_PACK(0, SYS_F_GETNAMEINFO, 0), "getnameinfo"}, | |
d33b215b RL |
80 | {ERR_PACK(0, SYS_F_SETSOCKOPT, 0), "setsockopt"}, |
81 | {ERR_PACK(0, SYS_F_GETSOCKOPT, 0), "getsockopt"}, | |
82 | {ERR_PACK(0, SYS_F_GETSOCKNAME, 0), "getsockname"}, | |
c86d1f19 | 83 | {ERR_PACK(0, SYS_F_GETHOSTBYNAME, 0), "gethostbyname"}, |
0f113f3e MC |
84 | {0, NULL}, |
85 | }; | |
86 | ||
87 | static ERR_STRING_DATA ERR_str_reasons[] = { | |
88 | {ERR_R_SYS_LIB, "system lib"}, | |
89 | {ERR_R_BN_LIB, "BN lib"}, | |
90 | {ERR_R_RSA_LIB, "RSA lib"}, | |
91 | {ERR_R_DH_LIB, "DH lib"}, | |
92 | {ERR_R_EVP_LIB, "EVP lib"}, | |
93 | {ERR_R_BUF_LIB, "BUF lib"}, | |
94 | {ERR_R_OBJ_LIB, "OBJ lib"}, | |
95 | {ERR_R_PEM_LIB, "PEM lib"}, | |
96 | {ERR_R_DSA_LIB, "DSA lib"}, | |
97 | {ERR_R_X509_LIB, "X509 lib"}, | |
98 | {ERR_R_ASN1_LIB, "ASN1 lib"}, | |
0f113f3e | 99 | {ERR_R_EC_LIB, "EC lib"}, |
0f113f3e MC |
100 | {ERR_R_BIO_LIB, "BIO lib"}, |
101 | {ERR_R_PKCS7_LIB, "PKCS7 lib"}, | |
102 | {ERR_R_X509V3_LIB, "X509V3 lib"}, | |
0f113f3e | 103 | {ERR_R_ENGINE_LIB, "ENGINE lib"}, |
0f113f3e MC |
104 | {ERR_R_ECDSA_LIB, "ECDSA lib"}, |
105 | ||
106 | {ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"}, | |
0f113f3e MC |
107 | {ERR_R_MISSING_ASN1_EOS, "missing asn1 eos"}, |
108 | ||
109 | {ERR_R_FATAL, "fatal"}, | |
110 | {ERR_R_MALLOC_FAILURE, "malloc failure"}, | |
111 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED, | |
112 | "called a function you should not call"}, | |
113 | {ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"}, | |
114 | {ERR_R_INTERNAL_ERROR, "internal error"}, | |
115 | {ERR_R_DISABLED, "called a function that was disabled at compile-time"}, | |
302f7588 | 116 | {ERR_R_INIT_FAIL, "init fail"}, |
0f113f3e MC |
117 | |
118 | {0, NULL}, | |
119 | }; | |
d02b48c6 | 120 | #endif |
0a150c5c | 121 | |
8509dcc9 AG |
122 | static CRYPTO_ONCE err_init = CRYPTO_ONCE_STATIC_INIT; |
123 | static CRYPTO_THREAD_LOCAL err_thread_local; | |
124 | ||
7b8e12d2 AG |
125 | static CRYPTO_ONCE err_string_init = CRYPTO_ONCE_STATIC_INIT; |
126 | static CRYPTO_RWLOCK *err_string_lock; | |
127 | ||
566bdf2b | 128 | /* Predeclarations of the "err_defaults" functions */ |
3e47caff | 129 | static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit); |
566bdf2b | 130 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); |
566bdf2b | 131 | |
0f113f3e | 132 | /* |
3e47caff | 133 | * The internal state |
0f113f3e | 134 | */ |
f3f1cf84 | 135 | |
3c1d6bbc | 136 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
0f113f3e | 137 | static int int_err_library_number = ERR_LIB_USER; |
566bdf2b | 138 | |
0f113f3e MC |
139 | static unsigned long get_error_values(int inc, int top, const char **file, |
140 | int *line, const char **data, | |
141 | int *flags); | |
566bdf2b | 142 | |
3c1d6bbc | 143 | static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) |
0f113f3e MC |
144 | { |
145 | unsigned long ret, l; | |
146 | ||
147 | l = a->error; | |
148 | ret = l ^ ERR_GET_LIB(l) ^ ERR_GET_FUNC(l); | |
149 | return (ret ^ ret % 19 * 13); | |
150 | } | |
3c1d6bbc | 151 | |
3c1d6bbc | 152 | static int err_string_data_cmp(const ERR_STRING_DATA *a, |
0f113f3e MC |
153 | const ERR_STRING_DATA *b) |
154 | { | |
155 | return (int)(a->error - b->error); | |
156 | } | |
157 | ||
3e47caff | 158 | static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit) |
0f113f3e MC |
159 | { |
160 | LHASH_OF(ERR_STRING_DATA) *ret = NULL; | |
161 | ||
3e47caff | 162 | if (lockit) |
7b8e12d2 | 163 | CRYPTO_THREAD_write_lock(err_string_lock); |
0f113f3e | 164 | if (!int_error_hash && create) { |
62d0577e DSH |
165 | int_error_hash = lh_ERR_STRING_DATA_new(err_string_data_hash, |
166 | err_string_data_cmp); | |
0f113f3e | 167 | } |
90945fa3 | 168 | if (int_error_hash != NULL) |
0f113f3e | 169 | ret = int_error_hash; |
3e47caff | 170 | if (lockit) |
7b8e12d2 | 171 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e MC |
172 | |
173 | return ret; | |
174 | } | |
567fef89 | 175 | |
566bdf2b | 176 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
0f113f3e | 177 | { |
3e47caff | 178 | ERR_STRING_DATA *p = NULL; |
0f113f3e | 179 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 180 | |
7b8e12d2 | 181 | CRYPTO_THREAD_read_lock(err_string_lock); |
3e47caff RS |
182 | hash = get_hash(0, 0); |
183 | if (hash) | |
184 | p = lh_ERR_STRING_DATA_retrieve(hash, d); | |
7b8e12d2 | 185 | CRYPTO_THREAD_unlock(err_string_lock); |
78f79235 | 186 | |
0f113f3e MC |
187 | return p; |
188 | } | |
567fef89 | 189 | |
758f942b | 190 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
191 | # define NUM_SYS_STR_REASONS 127 |
192 | # define LEN_SYS_STR_REASON 32 | |
0a150c5c BM |
193 | |
194 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
0f113f3e MC |
195 | /* |
196 | * SYS_str_reasons is filled with copies of strerror() results at | |
197 | * initialization. 'errno' values up to 127 should cover all usual errors, | |
198 | * others will be displayed numerically by ERR_error_string. It is crucial | |
199 | * that we have something for each reason code that occurs in | |
200 | * ERR_str_reasons, or bogus reason strings will be returned for SYSerr(), | |
201 | * which always gets an errno value and never one of those 'standard' reason | |
202 | * codes. | |
203 | */ | |
0a150c5c | 204 | |
41a15c4f | 205 | static void build_SYS_str_reasons(void) |
0f113f3e MC |
206 | { |
207 | /* OPENSSL_malloc cannot be used here, use static storage instead */ | |
208 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; | |
0f113f3e | 209 | static int init = 1; |
3e47caff | 210 | int i; |
0f113f3e | 211 | |
7b8e12d2 | 212 | CRYPTO_THREAD_write_lock(err_string_lock); |
0f113f3e | 213 | if (!init) { |
7b8e12d2 | 214 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e MC |
215 | return; |
216 | } | |
217 | ||
218 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) { | |
219 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
220 | ||
221 | str->error = (unsigned long)i; | |
222 | if (str->string == NULL) { | |
223 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
7d37818d | 224 | if (openssl_strerror_r(i, *dest, sizeof(*dest))) |
0f113f3e | 225 | str->string = *dest; |
0f113f3e MC |
226 | } |
227 | if (str->string == NULL) | |
228 | str->string = "unknown"; | |
229 | } | |
230 | ||
231 | /* | |
232 | * Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, as | |
233 | * required by ERR_load_strings. | |
234 | */ | |
235 | ||
236 | init = 0; | |
237 | ||
7b8e12d2 | 238 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e | 239 | } |
d02b48c6 RE |
240 | #endif |
241 | ||
58964a49 | 242 | #define err_clear_data(p,i) \ |
0f113f3e | 243 | do { \ |
b548a1f1 | 244 | if ((p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ |
0f113f3e MC |
245 | { \ |
246 | OPENSSL_free((p)->err_data[i]); \ | |
247 | (p)->err_data[i]=NULL; \ | |
248 | } \ | |
249 | (p)->err_data_flags[i]=0; \ | |
250 | } while(0) | |
54f64516 RL |
251 | |
252 | #define err_clear(p,i) \ | |
0f113f3e MC |
253 | do { \ |
254 | (p)->err_flags[i]=0; \ | |
255 | (p)->err_buffer[i]=0; \ | |
256 | err_clear_data(p,i); \ | |
257 | (p)->err_file[i]=NULL; \ | |
258 | (p)->err_line[i]= -1; \ | |
259 | } while(0) | |
58964a49 | 260 | |
6b691a5c | 261 | static void ERR_STATE_free(ERR_STATE *s) |
0f113f3e MC |
262 | { |
263 | int i; | |
58964a49 | 264 | |
0f113f3e MC |
265 | if (s == NULL) |
266 | return; | |
e03ddfae | 267 | |
0f113f3e MC |
268 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
269 | err_clear_data(s, i); | |
270 | } | |
271 | OPENSSL_free(s); | |
272 | } | |
58964a49 | 273 | |
c2e4e5d2 | 274 | DEFINE_RUN_ONCE_STATIC(do_err_strings_init) |
7b8e12d2 | 275 | { |
7b8e12d2 | 276 | err_string_lock = CRYPTO_THREAD_lock_new(); |
c2e4e5d2 | 277 | return err_string_lock != NULL; |
ff234405 MC |
278 | } |
279 | ||
280 | void err_cleanup(void) | |
281 | { | |
282 | CRYPTO_THREAD_lock_free(err_string_lock); | |
283 | err_string_lock = NULL; | |
7b8e12d2 AG |
284 | } |
285 | ||
6b691a5c | 286 | void ERR_load_ERR_strings(void) |
0f113f3e | 287 | { |
cf1b7d96 | 288 | #ifndef OPENSSL_NO_ERR |
c2e4e5d2 | 289 | RUN_ONCE(&err_string_init, do_err_strings_init); |
7b8e12d2 | 290 | |
0f113f3e MC |
291 | err_load_strings(0, ERR_str_libraries); |
292 | err_load_strings(0, ERR_str_reasons); | |
293 | err_load_strings(ERR_LIB_SYS, ERR_str_functs); | |
294 | build_SYS_str_reasons(); | |
295 | err_load_strings(ERR_LIB_SYS, SYS_str_reasons); | |
d02b48c6 | 296 | #endif |
0f113f3e | 297 | } |
d02b48c6 | 298 | |
cf5bfbfc | 299 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 300 | { |
3e47caff RS |
301 | LHASH_OF(ERR_STRING_DATA) *hash; |
302 | ||
7b8e12d2 | 303 | CRYPTO_THREAD_write_lock(err_string_lock); |
3e47caff RS |
304 | hash = get_hash(1, 0); |
305 | if (hash) { | |
306 | for (; str->error; str++) { | |
307 | if (lib) | |
308 | str->error |= ERR_PACK(lib, 0, 0); | |
309 | (void)lh_ERR_STRING_DATA_insert(hash, str); | |
310 | } | |
0f113f3e | 311 | } |
7b8e12d2 | 312 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e | 313 | } |
d02b48c6 | 314 | |
cf5bfbfc | 315 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e MC |
316 | { |
317 | ERR_load_ERR_strings(); | |
318 | err_load_strings(lib, str); | |
319 | } | |
cf5bfbfc | 320 | |
c2e4e5d2 | 321 | int ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 322 | { |
3e47caff RS |
323 | LHASH_OF(ERR_STRING_DATA) *hash; |
324 | ||
c2e4e5d2 RL |
325 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
326 | return 0; | |
7b8e12d2 AG |
327 | |
328 | CRYPTO_THREAD_write_lock(err_string_lock); | |
3e47caff RS |
329 | hash = get_hash(0, 0); |
330 | if (hash) { | |
331 | for (; str->error; str++) { | |
332 | if (lib) | |
333 | str->error |= ERR_PACK(lib, 0, 0); | |
334 | (void)lh_ERR_STRING_DATA_delete(hash, str); | |
335 | } | |
0f113f3e | 336 | } |
7b8e12d2 | 337 | CRYPTO_THREAD_unlock(err_string_lock); |
c2e4e5d2 RL |
338 | |
339 | return 1; | |
0f113f3e | 340 | } |
1738bb61 | 341 | |
b3599dbb | 342 | void err_free_strings_int(void) |
0f113f3e | 343 | { |
c2e4e5d2 RL |
344 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
345 | return; | |
7b8e12d2 AG |
346 | |
347 | CRYPTO_THREAD_write_lock(err_string_lock); | |
25aaa98a RS |
348 | lh_ERR_STRING_DATA_free(int_error_hash); |
349 | int_error_hash = NULL; | |
7b8e12d2 | 350 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e | 351 | } |
d02b48c6 | 352 | |
58964a49 RE |
353 | /********************************************************/ |
354 | ||
0f113f3e MC |
355 | void ERR_put_error(int lib, int func, int reason, const char *file, int line) |
356 | { | |
357 | ERR_STATE *es; | |
d02b48c6 | 358 | |
a53955d8 | 359 | #ifdef _OSD_POSIX |
0f113f3e MC |
360 | /* |
361 | * In the BS2000-OSD POSIX subsystem, the compiler generates path names | |
362 | * in the form "*POSIX(/etc/passwd)". This dirty hack strips them to | |
363 | * something sensible. @@@ We shouldn't modify a const string, though. | |
364 | */ | |
365 | if (strncmp(file, "*POSIX(", sizeof("*POSIX(") - 1) == 0) { | |
366 | char *end; | |
367 | ||
368 | /* Skip the "*POSIX(" prefix */ | |
369 | file += sizeof("*POSIX(") - 1; | |
370 | end = &file[strlen(file) - 1]; | |
371 | if (*end == ')') | |
372 | *end = '\0'; | |
373 | /* Optional: use the basename of the path only. */ | |
374 | if ((end = strrchr(file, '/')) != NULL) | |
375 | file = &end[1]; | |
376 | } | |
a53955d8 | 377 | #endif |
0f113f3e MC |
378 | es = ERR_get_state(); |
379 | ||
380 | es->top = (es->top + 1) % ERR_NUM_ERRORS; | |
381 | if (es->top == es->bottom) | |
382 | es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS; | |
383 | es->err_flags[es->top] = 0; | |
384 | es->err_buffer[es->top] = ERR_PACK(lib, func, reason); | |
385 | es->err_file[es->top] = file; | |
386 | es->err_line[es->top] = line; | |
387 | err_clear_data(es, es->top); | |
388 | } | |
d02b48c6 | 389 | |
6b691a5c | 390 | void ERR_clear_error(void) |
0f113f3e MC |
391 | { |
392 | int i; | |
393 | ERR_STATE *es; | |
d02b48c6 | 394 | |
0f113f3e | 395 | es = ERR_get_state(); |
d02b48c6 | 396 | |
0f113f3e MC |
397 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
398 | err_clear(es, i); | |
399 | } | |
400 | es->top = es->bottom = 0; | |
401 | } | |
d02b48c6 | 402 | |
6b691a5c | 403 | unsigned long ERR_get_error(void) |
0f113f3e MC |
404 | { |
405 | return (get_error_values(1, 0, NULL, NULL, NULL, NULL)); | |
406 | } | |
d02b48c6 | 407 | |
0f113f3e MC |
408 | unsigned long ERR_get_error_line(const char **file, int *line) |
409 | { | |
410 | return (get_error_values(1, 0, file, line, NULL, NULL)); | |
411 | } | |
d02b48c6 | 412 | |
6b691a5c | 413 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
0f113f3e MC |
414 | const char **data, int *flags) |
415 | { | |
416 | return (get_error_values(1, 0, file, line, data, flags)); | |
417 | } | |
273db408 | 418 | |
6b691a5c | 419 | unsigned long ERR_peek_error(void) |
0f113f3e MC |
420 | { |
421 | return (get_error_values(0, 0, NULL, NULL, NULL, NULL)); | |
422 | } | |
d02b48c6 | 423 | |
a14e2d9d | 424 | unsigned long ERR_peek_error_line(const char **file, int *line) |
0f113f3e MC |
425 | { |
426 | return (get_error_values(0, 0, file, line, NULL, NULL)); | |
427 | } | |
0fc5cf08 | 428 | |
6b691a5c | 429 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
0f113f3e MC |
430 | const char **data, int *flags) |
431 | { | |
432 | return (get_error_values(0, 0, file, line, data, flags)); | |
433 | } | |
273db408 BM |
434 | |
435 | unsigned long ERR_peek_last_error(void) | |
0f113f3e MC |
436 | { |
437 | return (get_error_values(0, 1, NULL, NULL, NULL, NULL)); | |
438 | } | |
273db408 BM |
439 | |
440 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
0f113f3e MC |
441 | { |
442 | return (get_error_values(0, 1, file, line, NULL, NULL)); | |
443 | } | |
273db408 | 444 | |
a14e2d9d | 445 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
0f113f3e MC |
446 | const char **data, int *flags) |
447 | { | |
448 | return (get_error_values(0, 1, file, line, data, flags)); | |
449 | } | |
450 | ||
451 | static unsigned long get_error_values(int inc, int top, const char **file, | |
452 | int *line, const char **data, | |
453 | int *flags) | |
454 | { | |
455 | int i = 0; | |
456 | ERR_STATE *es; | |
457 | unsigned long ret; | |
458 | ||
459 | es = ERR_get_state(); | |
460 | ||
461 | if (inc && top) { | |
462 | if (file) | |
463 | *file = ""; | |
464 | if (line) | |
465 | *line = 0; | |
466 | if (data) | |
467 | *data = ""; | |
468 | if (flags) | |
469 | *flags = 0; | |
470 | ||
471 | return ERR_R_INTERNAL_ERROR; | |
472 | } | |
473 | ||
474 | if (es->bottom == es->top) | |
475 | return 0; | |
476 | if (top) | |
477 | i = es->top; /* last error */ | |
478 | else | |
479 | i = (es->bottom + 1) % ERR_NUM_ERRORS; /* first error */ | |
480 | ||
481 | ret = es->err_buffer[i]; | |
482 | if (inc) { | |
483 | es->bottom = i; | |
484 | es->err_buffer[i] = 0; | |
485 | } | |
486 | ||
487 | if ((file != NULL) && (line != NULL)) { | |
488 | if (es->err_file[i] == NULL) { | |
489 | *file = "NA"; | |
490 | if (line != NULL) | |
491 | *line = 0; | |
492 | } else { | |
493 | *file = es->err_file[i]; | |
494 | if (line != NULL) | |
495 | *line = es->err_line[i]; | |
496 | } | |
497 | } | |
498 | ||
499 | if (data == NULL) { | |
500 | if (inc) { | |
501 | err_clear_data(es, i); | |
502 | } | |
503 | } else { | |
504 | if (es->err_data[i] == NULL) { | |
505 | *data = ""; | |
506 | if (flags != NULL) | |
507 | *flags = 0; | |
508 | } else { | |
509 | *data = es->err_data[i]; | |
510 | if (flags != NULL) | |
511 | *flags = es->err_data_flags[i]; | |
512 | } | |
513 | } | |
514 | return ret; | |
515 | } | |
d02b48c6 | 516 | |
e5c84d51 | 517 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
0f113f3e MC |
518 | { |
519 | char lsbuf[64], fsbuf[64], rsbuf[64]; | |
520 | const char *ls, *fs, *rs; | |
521 | unsigned long l, f, r; | |
522 | ||
523 | l = ERR_GET_LIB(e); | |
524 | f = ERR_GET_FUNC(e); | |
525 | r = ERR_GET_REASON(e); | |
526 | ||
527 | ls = ERR_lib_error_string(e); | |
528 | fs = ERR_func_error_string(e); | |
529 | rs = ERR_reason_error_string(e); | |
530 | ||
531 | if (ls == NULL) | |
532 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
533 | if (fs == NULL) | |
534 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); | |
535 | if (rs == NULL) | |
536 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); | |
537 | ||
538 | BIO_snprintf(buf, len, "error:%08lX:%s:%s:%s", e, ls ? ls : lsbuf, | |
539 | fs ? fs : fsbuf, rs ? rs : rsbuf); | |
540 | if (strlen(buf) == len - 1) { | |
541 | /* | |
542 | * output may be truncated; make sure we always have 5 | |
543 | * colon-separated fields, i.e. 4 colons ... | |
544 | */ | |
e5c84d51 | 545 | #define NUM_COLONS 4 |
0f113f3e MC |
546 | if (len > NUM_COLONS) { /* ... if possible */ |
547 | int i; | |
548 | char *s = buf; | |
549 | ||
550 | for (i = 0; i < NUM_COLONS; i++) { | |
551 | char *colon = strchr(s, ':'); | |
552 | if (colon == NULL || colon > &buf[len - 1] - NUM_COLONS + i) { | |
553 | /* | |
554 | * set colon no. i at last possible position (buf[len-1] | |
555 | * is the terminating 0) | |
556 | */ | |
557 | colon = &buf[len - 1] - NUM_COLONS + i; | |
558 | *colon = ':'; | |
559 | } | |
560 | s = colon + 1; | |
561 | } | |
562 | } | |
563 | } | |
564 | } | |
e5c84d51 | 565 | |
0f113f3e MC |
566 | /* |
567 | * ERR_error_string_n should be used instead for ret != NULL as | |
568 | * ERR_error_string cannot know how large the buffer is | |
569 | */ | |
e5c84d51 | 570 | char *ERR_error_string(unsigned long e, char *ret) |
0f113f3e MC |
571 | { |
572 | static char buf[256]; | |
e5c84d51 | 573 | |
0f113f3e MC |
574 | if (ret == NULL) |
575 | ret = buf; | |
576 | ERR_error_string_n(e, ret, 256); | |
d02b48c6 | 577 | |
0f113f3e MC |
578 | return ret; |
579 | } | |
d02b48c6 | 580 | |
3c1d6bbc | 581 | LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void) |
0f113f3e | 582 | { |
3e47caff | 583 | return get_hash(0, 1); |
0f113f3e | 584 | } |
d02b48c6 | 585 | |
6b691a5c | 586 | const char *ERR_lib_error_string(unsigned long e) |
0f113f3e MC |
587 | { |
588 | ERR_STRING_DATA d, *p; | |
589 | unsigned long l; | |
d02b48c6 | 590 | |
c2e4e5d2 RL |
591 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
592 | return NULL; | |
593 | } | |
7b8e12d2 | 594 | |
0f113f3e MC |
595 | l = ERR_GET_LIB(e); |
596 | d.error = ERR_PACK(l, 0, 0); | |
3e47caff | 597 | p = int_err_get_item(&d); |
0f113f3e MC |
598 | return ((p == NULL) ? NULL : p->string); |
599 | } | |
d02b48c6 | 600 | |
6b691a5c | 601 | const char *ERR_func_error_string(unsigned long e) |
0f113f3e MC |
602 | { |
603 | ERR_STRING_DATA d, *p; | |
604 | unsigned long l, f; | |
605 | ||
c2e4e5d2 RL |
606 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
607 | return NULL; | |
608 | } | |
7b8e12d2 | 609 | |
0f113f3e MC |
610 | l = ERR_GET_LIB(e); |
611 | f = ERR_GET_FUNC(e); | |
612 | d.error = ERR_PACK(l, f, 0); | |
3e47caff | 613 | p = int_err_get_item(&d); |
0f113f3e MC |
614 | return ((p == NULL) ? NULL : p->string); |
615 | } | |
d02b48c6 | 616 | |
6b691a5c | 617 | const char *ERR_reason_error_string(unsigned long e) |
0f113f3e MC |
618 | { |
619 | ERR_STRING_DATA d, *p = NULL; | |
620 | unsigned long l, r; | |
621 | ||
c2e4e5d2 RL |
622 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
623 | return NULL; | |
624 | } | |
7b8e12d2 | 625 | |
0f113f3e MC |
626 | l = ERR_GET_LIB(e); |
627 | r = ERR_GET_REASON(e); | |
628 | d.error = ERR_PACK(l, 0, r); | |
3e47caff | 629 | p = int_err_get_item(&d); |
0f113f3e MC |
630 | if (!p) { |
631 | d.error = ERR_PACK(0, 0, r); | |
3e47caff | 632 | p = int_err_get_item(&d); |
0f113f3e MC |
633 | } |
634 | return ((p == NULL) ? NULL : p->string); | |
635 | } | |
d02b48c6 | 636 | |
21e00174 | 637 | void err_delete_thread_state(void) |
0f113f3e | 638 | { |
8509dcc9 AG |
639 | ERR_STATE *state = ERR_get_state(); |
640 | if (state == NULL) | |
641 | return; | |
0f113f3e | 642 | |
8509dcc9 AG |
643 | CRYPTO_THREAD_set_local(&err_thread_local, NULL); |
644 | ERR_STATE_free(state); | |
0f113f3e | 645 | } |
d02b48c6 | 646 | |
1aca3618 | 647 | #if OPENSSL_API_COMPAT < 0x10100000L |
21e00174 RL |
648 | void ERR_remove_thread_state(void *dummy) |
649 | { | |
650 | } | |
651 | #endif | |
652 | ||
98186eb4 | 653 | #if OPENSSL_API_COMPAT < 0x10000000L |
4c329696 | 654 | void ERR_remove_state(unsigned long pid) |
0f113f3e | 655 | { |
0f113f3e | 656 | } |
4c329696 GT |
657 | #endif |
658 | ||
c2e4e5d2 | 659 | DEFINE_RUN_ONCE_STATIC(err_do_init) |
8509dcc9 | 660 | { |
c2e4e5d2 | 661 | return CRYPTO_THREAD_init_local(&err_thread_local, NULL); |
8509dcc9 AG |
662 | } |
663 | ||
6b691a5c | 664 | ERR_STATE *ERR_get_state(void) |
0f113f3e | 665 | { |
8509dcc9 AG |
666 | ERR_STATE *state = NULL; |
667 | ||
c2e4e5d2 RL |
668 | if (!RUN_ONCE(&err_init, err_do_init)) |
669 | return NULL; | |
8509dcc9 AG |
670 | |
671 | state = CRYPTO_THREAD_get_local(&err_thread_local); | |
672 | ||
673 | if (state == NULL) { | |
674 | state = OPENSSL_zalloc(sizeof(*state)); | |
675 | if (state == NULL) | |
676 | return NULL; | |
677 | ||
678 | if (!CRYPTO_THREAD_set_local(&err_thread_local, state)) { | |
679 | ERR_STATE_free(state); | |
680 | return NULL; | |
0f113f3e | 681 | } |
0fc32b07 MC |
682 | |
683 | /* Ignore failures from these */ | |
f672aee4 | 684 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); |
7b9f8f7f | 685 | ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE); |
0f113f3e | 686 | } |
8509dcc9 AG |
687 | |
688 | return state; | |
0f113f3e | 689 | } |
d02b48c6 | 690 | |
6b691a5c | 691 | int ERR_get_next_error_library(void) |
0f113f3e | 692 | { |
3e47caff RS |
693 | int ret; |
694 | ||
c2e4e5d2 RL |
695 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
696 | return 0; | |
697 | } | |
7b8e12d2 AG |
698 | |
699 | CRYPTO_THREAD_write_lock(err_string_lock); | |
3e47caff | 700 | ret = int_err_library_number++; |
7b8e12d2 | 701 | CRYPTO_THREAD_unlock(err_string_lock); |
3e47caff | 702 | return ret; |
0f113f3e | 703 | } |
58964a49 | 704 | |
6b691a5c | 705 | void ERR_set_error_data(char *data, int flags) |
0f113f3e MC |
706 | { |
707 | ERR_STATE *es; | |
708 | int i; | |
58964a49 | 709 | |
0f113f3e | 710 | es = ERR_get_state(); |
58964a49 | 711 | |
0f113f3e MC |
712 | i = es->top; |
713 | if (i == 0) | |
714 | i = ERR_NUM_ERRORS - 1; | |
58964a49 | 715 | |
0f113f3e MC |
716 | err_clear_data(es, i); |
717 | es->err_data[i] = data; | |
718 | es->err_data_flags[i] = flags; | |
719 | } | |
58964a49 | 720 | |
4565c3e3 | 721 | void ERR_add_error_data(int num, ...) |
0f113f3e MC |
722 | { |
723 | va_list args; | |
724 | va_start(args, num); | |
725 | ERR_add_error_vdata(num, args); | |
726 | va_end(args); | |
727 | } | |
78c45722 DSH |
728 | |
729 | void ERR_add_error_vdata(int num, va_list args) | |
0f113f3e MC |
730 | { |
731 | int i, n, s; | |
732 | char *str, *p, *a; | |
733 | ||
734 | s = 80; | |
735 | str = OPENSSL_malloc(s + 1); | |
736 | if (str == NULL) | |
737 | return; | |
738 | str[0] = '\0'; | |
739 | ||
740 | n = 0; | |
741 | for (i = 0; i < num; i++) { | |
742 | a = va_arg(args, char *); | |
743 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ | |
744 | if (a != NULL) { | |
745 | n += strlen(a); | |
746 | if (n > s) { | |
747 | s = n + 20; | |
748 | p = OPENSSL_realloc(str, s + 1); | |
749 | if (p == NULL) { | |
750 | OPENSSL_free(str); | |
751 | return; | |
2d29e2df RS |
752 | } |
753 | str = p; | |
0f113f3e | 754 | } |
7644a9ae | 755 | OPENSSL_strlcat(str, a, (size_t)s + 1); |
0f113f3e MC |
756 | } |
757 | } | |
758 | ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING); | |
759 | } | |
54f64516 RL |
760 | |
761 | int ERR_set_mark(void) | |
0f113f3e MC |
762 | { |
763 | ERR_STATE *es; | |
54f64516 | 764 | |
0f113f3e | 765 | es = ERR_get_state(); |
54f64516 | 766 | |
0f113f3e MC |
767 | if (es->bottom == es->top) |
768 | return 0; | |
769 | es->err_flags[es->top] |= ERR_FLAG_MARK; | |
770 | return 1; | |
771 | } | |
54f64516 RL |
772 | |
773 | int ERR_pop_to_mark(void) | |
0f113f3e MC |
774 | { |
775 | ERR_STATE *es; | |
776 | ||
777 | es = ERR_get_state(); | |
778 | ||
779 | while (es->bottom != es->top | |
780 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) { | |
781 | err_clear(es, es->top); | |
782 | es->top -= 1; | |
783 | if (es->top == -1) | |
784 | es->top = ERR_NUM_ERRORS - 1; | |
785 | } | |
786 | ||
787 | if (es->bottom == es->top) | |
788 | return 0; | |
789 | es->err_flags[es->top] &= ~ERR_FLAG_MARK; | |
790 | return 1; | |
791 | } |