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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> |
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"}, | |
49844486 | 55 | {ERR_PACK(ERR_LIB_UI, 0, 0), "UI routines"}, |
0f113f3e MC |
56 | {ERR_PACK(ERR_LIB_FIPS, 0, 0), "FIPS routines"}, |
57 | {ERR_PACK(ERR_LIB_CMS, 0, 0), "CMS routines"}, | |
58 | {ERR_PACK(ERR_LIB_HMAC, 0, 0), "HMAC routines"}, | |
0cea8832 | 59 | {ERR_PACK(ERR_LIB_CT, 0, 0), "CT routines"}, |
079a1a90 | 60 | {ERR_PACK(ERR_LIB_ASYNC, 0, 0), "ASYNC routines"}, |
3e30fa0a | 61 | {ERR_PACK(ERR_LIB_KDF, 0, 0), "KDF routines"}, |
0f113f3e MC |
62 | {0, NULL}, |
63 | }; | |
64 | ||
65 | static ERR_STRING_DATA ERR_str_functs[] = { | |
66 | {ERR_PACK(0, SYS_F_FOPEN, 0), "fopen"}, | |
67 | {ERR_PACK(0, SYS_F_CONNECT, 0), "connect"}, | |
68 | {ERR_PACK(0, SYS_F_GETSERVBYNAME, 0), "getservbyname"}, | |
69 | {ERR_PACK(0, SYS_F_SOCKET, 0), "socket"}, | |
70 | {ERR_PACK(0, SYS_F_IOCTLSOCKET, 0), "ioctlsocket"}, | |
71 | {ERR_PACK(0, SYS_F_BIND, 0), "bind"}, | |
72 | {ERR_PACK(0, SYS_F_LISTEN, 0), "listen"}, | |
73 | {ERR_PACK(0, SYS_F_ACCEPT, 0), "accept"}, | |
74 | # ifdef OPENSSL_SYS_WINDOWS | |
75 | {ERR_PACK(0, SYS_F_WSASTARTUP, 0), "WSAstartup"}, | |
76 | # endif | |
77 | {ERR_PACK(0, SYS_F_OPENDIR, 0), "opendir"}, | |
78 | {ERR_PACK(0, SYS_F_FREAD, 0), "fread"}, | |
83be2778 RL |
79 | {ERR_PACK(0, SYS_F_GETADDRINFO, 0), "getaddrinfo"}, |
80 | {ERR_PACK(0, SYS_F_GETNAMEINFO, 0), "getnameinfo"}, | |
d33b215b RL |
81 | {ERR_PACK(0, SYS_F_SETSOCKOPT, 0), "setsockopt"}, |
82 | {ERR_PACK(0, SYS_F_GETSOCKOPT, 0), "getsockopt"}, | |
83 | {ERR_PACK(0, SYS_F_GETSOCKNAME, 0), "getsockname"}, | |
c86d1f19 | 84 | {ERR_PACK(0, SYS_F_GETHOSTBYNAME, 0), "gethostbyname"}, |
595b2a42 | 85 | {ERR_PACK(0, SYS_F_FFLUSH, 0), "fflush"}, |
0f113f3e MC |
86 | {0, NULL}, |
87 | }; | |
88 | ||
89 | static ERR_STRING_DATA ERR_str_reasons[] = { | |
90 | {ERR_R_SYS_LIB, "system lib"}, | |
91 | {ERR_R_BN_LIB, "BN lib"}, | |
92 | {ERR_R_RSA_LIB, "RSA lib"}, | |
93 | {ERR_R_DH_LIB, "DH lib"}, | |
94 | {ERR_R_EVP_LIB, "EVP lib"}, | |
95 | {ERR_R_BUF_LIB, "BUF lib"}, | |
96 | {ERR_R_OBJ_LIB, "OBJ lib"}, | |
97 | {ERR_R_PEM_LIB, "PEM lib"}, | |
98 | {ERR_R_DSA_LIB, "DSA lib"}, | |
99 | {ERR_R_X509_LIB, "X509 lib"}, | |
100 | {ERR_R_ASN1_LIB, "ASN1 lib"}, | |
0f113f3e | 101 | {ERR_R_EC_LIB, "EC lib"}, |
0f113f3e MC |
102 | {ERR_R_BIO_LIB, "BIO lib"}, |
103 | {ERR_R_PKCS7_LIB, "PKCS7 lib"}, | |
104 | {ERR_R_X509V3_LIB, "X509V3 lib"}, | |
0f113f3e | 105 | {ERR_R_ENGINE_LIB, "ENGINE lib"}, |
0f113f3e MC |
106 | {ERR_R_ECDSA_LIB, "ECDSA lib"}, |
107 | ||
108 | {ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"}, | |
0f113f3e MC |
109 | {ERR_R_MISSING_ASN1_EOS, "missing asn1 eos"}, |
110 | ||
111 | {ERR_R_FATAL, "fatal"}, | |
112 | {ERR_R_MALLOC_FAILURE, "malloc failure"}, | |
113 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED, | |
114 | "called a function you should not call"}, | |
115 | {ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"}, | |
116 | {ERR_R_INTERNAL_ERROR, "internal error"}, | |
117 | {ERR_R_DISABLED, "called a function that was disabled at compile-time"}, | |
302f7588 | 118 | {ERR_R_INIT_FAIL, "init fail"}, |
0f113f3e MC |
119 | |
120 | {0, NULL}, | |
121 | }; | |
d02b48c6 | 122 | #endif |
0a150c5c | 123 | |
8509dcc9 | 124 | static CRYPTO_ONCE err_init = CRYPTO_ONCE_STATIC_INIT; |
73bc5370 | 125 | static int set_err_thread_local; |
8509dcc9 AG |
126 | static CRYPTO_THREAD_LOCAL err_thread_local; |
127 | ||
7b8e12d2 AG |
128 | static CRYPTO_ONCE err_string_init = CRYPTO_ONCE_STATIC_INIT; |
129 | static CRYPTO_RWLOCK *err_string_lock; | |
130 | ||
566bdf2b | 131 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); |
566bdf2b | 132 | |
0f113f3e | 133 | /* |
3e47caff | 134 | * The internal state |
0f113f3e | 135 | */ |
f3f1cf84 | 136 | |
3c1d6bbc | 137 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
0f113f3e | 138 | static int int_err_library_number = ERR_LIB_USER; |
566bdf2b | 139 | |
0f113f3e MC |
140 | static unsigned long get_error_values(int inc, int top, const char **file, |
141 | int *line, const char **data, | |
142 | int *flags); | |
566bdf2b | 143 | |
3c1d6bbc | 144 | static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) |
0f113f3e MC |
145 | { |
146 | unsigned long ret, l; | |
147 | ||
148 | l = a->error; | |
149 | ret = l ^ ERR_GET_LIB(l) ^ ERR_GET_FUNC(l); | |
150 | return (ret ^ ret % 19 * 13); | |
151 | } | |
3c1d6bbc | 152 | |
3c1d6bbc | 153 | static int err_string_data_cmp(const ERR_STRING_DATA *a, |
0f113f3e MC |
154 | const ERR_STRING_DATA *b) |
155 | { | |
156 | return (int)(a->error - b->error); | |
157 | } | |
158 | ||
566bdf2b | 159 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
0f113f3e | 160 | { |
3e47caff | 161 | ERR_STRING_DATA *p = NULL; |
78f79235 | 162 | |
7b8e12d2 | 163 | CRYPTO_THREAD_read_lock(err_string_lock); |
219116d8 RS |
164 | if (int_error_hash != NULL) |
165 | p = lh_ERR_STRING_DATA_retrieve(int_error_hash, d); | |
7b8e12d2 | 166 | CRYPTO_THREAD_unlock(err_string_lock); |
78f79235 | 167 | |
0f113f3e MC |
168 | return p; |
169 | } | |
567fef89 | 170 | |
758f942b | 171 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
172 | # define NUM_SYS_STR_REASONS 127 |
173 | # define LEN_SYS_STR_REASON 32 | |
0a150c5c BM |
174 | |
175 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
0f113f3e MC |
176 | /* |
177 | * SYS_str_reasons is filled with copies of strerror() results at | |
178 | * initialization. 'errno' values up to 127 should cover all usual errors, | |
179 | * others will be displayed numerically by ERR_error_string. It is crucial | |
180 | * that we have something for each reason code that occurs in | |
181 | * ERR_str_reasons, or bogus reason strings will be returned for SYSerr(), | |
182 | * which always gets an errno value and never one of those 'standard' reason | |
183 | * codes. | |
184 | */ | |
0a150c5c | 185 | |
41a15c4f | 186 | static void build_SYS_str_reasons(void) |
0f113f3e MC |
187 | { |
188 | /* OPENSSL_malloc cannot be used here, use static storage instead */ | |
189 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; | |
0f113f3e | 190 | static int init = 1; |
3e47caff | 191 | int i; |
0f113f3e | 192 | |
7b8e12d2 | 193 | CRYPTO_THREAD_write_lock(err_string_lock); |
0f113f3e | 194 | if (!init) { |
7b8e12d2 | 195 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e MC |
196 | return; |
197 | } | |
198 | ||
199 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) { | |
200 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
201 | ||
202 | str->error = (unsigned long)i; | |
203 | if (str->string == NULL) { | |
204 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
7d37818d | 205 | if (openssl_strerror_r(i, *dest, sizeof(*dest))) |
0f113f3e | 206 | str->string = *dest; |
0f113f3e MC |
207 | } |
208 | if (str->string == NULL) | |
209 | str->string = "unknown"; | |
210 | } | |
211 | ||
212 | /* | |
213 | * Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, as | |
214 | * required by ERR_load_strings. | |
215 | */ | |
216 | ||
217 | init = 0; | |
218 | ||
7b8e12d2 | 219 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e | 220 | } |
d02b48c6 RE |
221 | #endif |
222 | ||
58964a49 | 223 | #define err_clear_data(p,i) \ |
0f113f3e | 224 | do { \ |
b548a1f1 | 225 | if ((p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ |
0f113f3e MC |
226 | { \ |
227 | OPENSSL_free((p)->err_data[i]); \ | |
228 | (p)->err_data[i]=NULL; \ | |
229 | } \ | |
230 | (p)->err_data_flags[i]=0; \ | |
231 | } while(0) | |
54f64516 RL |
232 | |
233 | #define err_clear(p,i) \ | |
0f113f3e MC |
234 | do { \ |
235 | (p)->err_flags[i]=0; \ | |
236 | (p)->err_buffer[i]=0; \ | |
237 | err_clear_data(p,i); \ | |
238 | (p)->err_file[i]=NULL; \ | |
239 | (p)->err_line[i]= -1; \ | |
240 | } while(0) | |
58964a49 | 241 | |
6b691a5c | 242 | static void ERR_STATE_free(ERR_STATE *s) |
0f113f3e MC |
243 | { |
244 | int i; | |
58964a49 | 245 | |
0f113f3e MC |
246 | if (s == NULL) |
247 | return; | |
e03ddfae | 248 | |
0f113f3e MC |
249 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
250 | err_clear_data(s, i); | |
251 | } | |
252 | OPENSSL_free(s); | |
253 | } | |
58964a49 | 254 | |
c2e4e5d2 | 255 | DEFINE_RUN_ONCE_STATIC(do_err_strings_init) |
7b8e12d2 | 256 | { |
135648bc | 257 | OPENSSL_init_crypto(0, NULL); |
7b8e12d2 | 258 | err_string_lock = CRYPTO_THREAD_lock_new(); |
c2e4e5d2 | 259 | return err_string_lock != NULL; |
ff234405 MC |
260 | } |
261 | ||
262 | void err_cleanup(void) | |
263 | { | |
73bc5370 RS |
264 | if (set_err_thread_local != 0) |
265 | CRYPTO_THREAD_cleanup_local(&err_thread_local); | |
ff234405 MC |
266 | CRYPTO_THREAD_lock_free(err_string_lock); |
267 | err_string_lock = NULL; | |
7b8e12d2 AG |
268 | } |
269 | ||
69588edb | 270 | int ERR_load_ERR_strings(void) |
0f113f3e | 271 | { |
cf1b7d96 | 272 | #ifndef OPENSSL_NO_ERR |
69588edb KR |
273 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
274 | return 0; | |
7b8e12d2 | 275 | |
0f113f3e MC |
276 | err_load_strings(0, ERR_str_libraries); |
277 | err_load_strings(0, ERR_str_reasons); | |
278 | err_load_strings(ERR_LIB_SYS, ERR_str_functs); | |
279 | build_SYS_str_reasons(); | |
280 | err_load_strings(ERR_LIB_SYS, SYS_str_reasons); | |
d02b48c6 | 281 | #endif |
69588edb | 282 | return 1; |
0f113f3e | 283 | } |
d02b48c6 | 284 | |
cf5bfbfc | 285 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 286 | { |
7b8e12d2 | 287 | CRYPTO_THREAD_write_lock(err_string_lock); |
219116d8 RS |
288 | if (int_error_hash == NULL) |
289 | int_error_hash = lh_ERR_STRING_DATA_new(err_string_data_hash, | |
290 | err_string_data_cmp); | |
291 | if (int_error_hash != NULL) { | |
3e47caff RS |
292 | for (; str->error; str++) { |
293 | if (lib) | |
294 | str->error |= ERR_PACK(lib, 0, 0); | |
219116d8 | 295 | (void)lh_ERR_STRING_DATA_insert(int_error_hash, str); |
3e47caff | 296 | } |
0f113f3e | 297 | } |
7b8e12d2 | 298 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e | 299 | } |
d02b48c6 | 300 | |
69588edb | 301 | int ERR_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 302 | { |
69588edb KR |
303 | if (ERR_load_ERR_strings() == 0) |
304 | return 0; | |
0f113f3e | 305 | err_load_strings(lib, str); |
69588edb | 306 | return 1; |
0f113f3e | 307 | } |
cf5bfbfc | 308 | |
c2e4e5d2 | 309 | int ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 310 | { |
c2e4e5d2 RL |
311 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
312 | return 0; | |
7b8e12d2 AG |
313 | |
314 | CRYPTO_THREAD_write_lock(err_string_lock); | |
219116d8 | 315 | if (int_error_hash != NULL) { |
3e47caff RS |
316 | for (; str->error; str++) { |
317 | if (lib) | |
318 | str->error |= ERR_PACK(lib, 0, 0); | |
219116d8 | 319 | (void)lh_ERR_STRING_DATA_delete(int_error_hash, str); |
3e47caff | 320 | } |
0f113f3e | 321 | } |
7b8e12d2 | 322 | CRYPTO_THREAD_unlock(err_string_lock); |
c2e4e5d2 RL |
323 | |
324 | return 1; | |
0f113f3e | 325 | } |
1738bb61 | 326 | |
b3599dbb | 327 | void err_free_strings_int(void) |
0f113f3e | 328 | { |
c2e4e5d2 RL |
329 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
330 | return; | |
7b8e12d2 AG |
331 | |
332 | CRYPTO_THREAD_write_lock(err_string_lock); | |
25aaa98a RS |
333 | lh_ERR_STRING_DATA_free(int_error_hash); |
334 | int_error_hash = NULL; | |
7b8e12d2 | 335 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e | 336 | } |
d02b48c6 | 337 | |
58964a49 RE |
338 | /********************************************************/ |
339 | ||
0f113f3e MC |
340 | void ERR_put_error(int lib, int func, int reason, const char *file, int line) |
341 | { | |
342 | ERR_STATE *es; | |
d02b48c6 | 343 | |
a53955d8 | 344 | #ifdef _OSD_POSIX |
0f113f3e MC |
345 | /* |
346 | * In the BS2000-OSD POSIX subsystem, the compiler generates path names | |
347 | * in the form "*POSIX(/etc/passwd)". This dirty hack strips them to | |
348 | * something sensible. @@@ We shouldn't modify a const string, though. | |
349 | */ | |
350 | if (strncmp(file, "*POSIX(", sizeof("*POSIX(") - 1) == 0) { | |
351 | char *end; | |
352 | ||
353 | /* Skip the "*POSIX(" prefix */ | |
354 | file += sizeof("*POSIX(") - 1; | |
355 | end = &file[strlen(file) - 1]; | |
356 | if (*end == ')') | |
357 | *end = '\0'; | |
358 | /* Optional: use the basename of the path only. */ | |
359 | if ((end = strrchr(file, '/')) != NULL) | |
360 | file = &end[1]; | |
361 | } | |
a53955d8 | 362 | #endif |
0f113f3e MC |
363 | es = ERR_get_state(); |
364 | ||
365 | es->top = (es->top + 1) % ERR_NUM_ERRORS; | |
366 | if (es->top == es->bottom) | |
367 | es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS; | |
368 | es->err_flags[es->top] = 0; | |
369 | es->err_buffer[es->top] = ERR_PACK(lib, func, reason); | |
370 | es->err_file[es->top] = file; | |
371 | es->err_line[es->top] = line; | |
372 | err_clear_data(es, es->top); | |
373 | } | |
d02b48c6 | 374 | |
6b691a5c | 375 | void ERR_clear_error(void) |
0f113f3e MC |
376 | { |
377 | int i; | |
378 | ERR_STATE *es; | |
d02b48c6 | 379 | |
0f113f3e | 380 | es = ERR_get_state(); |
d02b48c6 | 381 | |
0f113f3e MC |
382 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
383 | err_clear(es, i); | |
384 | } | |
385 | es->top = es->bottom = 0; | |
386 | } | |
d02b48c6 | 387 | |
6b691a5c | 388 | unsigned long ERR_get_error(void) |
0f113f3e MC |
389 | { |
390 | return (get_error_values(1, 0, NULL, NULL, NULL, NULL)); | |
391 | } | |
d02b48c6 | 392 | |
0f113f3e MC |
393 | unsigned long ERR_get_error_line(const char **file, int *line) |
394 | { | |
395 | return (get_error_values(1, 0, file, line, NULL, NULL)); | |
396 | } | |
d02b48c6 | 397 | |
6b691a5c | 398 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
0f113f3e MC |
399 | const char **data, int *flags) |
400 | { | |
401 | return (get_error_values(1, 0, file, line, data, flags)); | |
402 | } | |
273db408 | 403 | |
6b691a5c | 404 | unsigned long ERR_peek_error(void) |
0f113f3e MC |
405 | { |
406 | return (get_error_values(0, 0, NULL, NULL, NULL, NULL)); | |
407 | } | |
d02b48c6 | 408 | |
a14e2d9d | 409 | unsigned long ERR_peek_error_line(const char **file, int *line) |
0f113f3e MC |
410 | { |
411 | return (get_error_values(0, 0, file, line, NULL, NULL)); | |
412 | } | |
0fc5cf08 | 413 | |
6b691a5c | 414 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
0f113f3e MC |
415 | const char **data, int *flags) |
416 | { | |
417 | return (get_error_values(0, 0, file, line, data, flags)); | |
418 | } | |
273db408 BM |
419 | |
420 | unsigned long ERR_peek_last_error(void) | |
0f113f3e MC |
421 | { |
422 | return (get_error_values(0, 1, NULL, NULL, NULL, NULL)); | |
423 | } | |
273db408 BM |
424 | |
425 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
0f113f3e MC |
426 | { |
427 | return (get_error_values(0, 1, file, line, NULL, NULL)); | |
428 | } | |
273db408 | 429 | |
a14e2d9d | 430 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
0f113f3e MC |
431 | const char **data, int *flags) |
432 | { | |
433 | return (get_error_values(0, 1, file, line, data, flags)); | |
434 | } | |
435 | ||
436 | static unsigned long get_error_values(int inc, int top, const char **file, | |
437 | int *line, const char **data, | |
438 | int *flags) | |
439 | { | |
440 | int i = 0; | |
441 | ERR_STATE *es; | |
442 | unsigned long ret; | |
443 | ||
444 | es = ERR_get_state(); | |
445 | ||
446 | if (inc && top) { | |
447 | if (file) | |
448 | *file = ""; | |
449 | if (line) | |
450 | *line = 0; | |
451 | if (data) | |
452 | *data = ""; | |
453 | if (flags) | |
454 | *flags = 0; | |
455 | ||
456 | return ERR_R_INTERNAL_ERROR; | |
457 | } | |
458 | ||
459 | if (es->bottom == es->top) | |
460 | return 0; | |
461 | if (top) | |
462 | i = es->top; /* last error */ | |
463 | else | |
464 | i = (es->bottom + 1) % ERR_NUM_ERRORS; /* first error */ | |
465 | ||
466 | ret = es->err_buffer[i]; | |
467 | if (inc) { | |
468 | es->bottom = i; | |
469 | es->err_buffer[i] = 0; | |
470 | } | |
471 | ||
472 | if ((file != NULL) && (line != NULL)) { | |
473 | if (es->err_file[i] == NULL) { | |
474 | *file = "NA"; | |
475 | if (line != NULL) | |
476 | *line = 0; | |
477 | } else { | |
478 | *file = es->err_file[i]; | |
479 | if (line != NULL) | |
480 | *line = es->err_line[i]; | |
481 | } | |
482 | } | |
483 | ||
484 | if (data == NULL) { | |
485 | if (inc) { | |
486 | err_clear_data(es, i); | |
487 | } | |
488 | } else { | |
489 | if (es->err_data[i] == NULL) { | |
490 | *data = ""; | |
491 | if (flags != NULL) | |
492 | *flags = 0; | |
493 | } else { | |
494 | *data = es->err_data[i]; | |
495 | if (flags != NULL) | |
496 | *flags = es->err_data_flags[i]; | |
497 | } | |
498 | } | |
499 | return ret; | |
500 | } | |
d02b48c6 | 501 | |
e5c84d51 | 502 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
0f113f3e MC |
503 | { |
504 | char lsbuf[64], fsbuf[64], rsbuf[64]; | |
505 | const char *ls, *fs, *rs; | |
506 | unsigned long l, f, r; | |
507 | ||
e5c13615 MC |
508 | if (len == 0) |
509 | return; | |
510 | ||
0f113f3e MC |
511 | l = ERR_GET_LIB(e); |
512 | f = ERR_GET_FUNC(e); | |
513 | r = ERR_GET_REASON(e); | |
514 | ||
515 | ls = ERR_lib_error_string(e); | |
516 | fs = ERR_func_error_string(e); | |
517 | rs = ERR_reason_error_string(e); | |
518 | ||
519 | if (ls == NULL) | |
520 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
521 | if (fs == NULL) | |
522 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); | |
523 | if (rs == NULL) | |
524 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); | |
525 | ||
526 | BIO_snprintf(buf, len, "error:%08lX:%s:%s:%s", e, ls ? ls : lsbuf, | |
527 | fs ? fs : fsbuf, rs ? rs : rsbuf); | |
528 | if (strlen(buf) == len - 1) { | |
529 | /* | |
530 | * output may be truncated; make sure we always have 5 | |
531 | * colon-separated fields, i.e. 4 colons ... | |
532 | */ | |
e5c84d51 | 533 | #define NUM_COLONS 4 |
0f113f3e MC |
534 | if (len > NUM_COLONS) { /* ... if possible */ |
535 | int i; | |
536 | char *s = buf; | |
537 | ||
538 | for (i = 0; i < NUM_COLONS; i++) { | |
539 | char *colon = strchr(s, ':'); | |
540 | if (colon == NULL || colon > &buf[len - 1] - NUM_COLONS + i) { | |
541 | /* | |
542 | * set colon no. i at last possible position (buf[len-1] | |
543 | * is the terminating 0) | |
544 | */ | |
545 | colon = &buf[len - 1] - NUM_COLONS + i; | |
546 | *colon = ':'; | |
547 | } | |
548 | s = colon + 1; | |
549 | } | |
550 | } | |
551 | } | |
552 | } | |
e5c84d51 | 553 | |
0f113f3e MC |
554 | /* |
555 | * ERR_error_string_n should be used instead for ret != NULL as | |
556 | * ERR_error_string cannot know how large the buffer is | |
557 | */ | |
e5c84d51 | 558 | char *ERR_error_string(unsigned long e, char *ret) |
0f113f3e MC |
559 | { |
560 | static char buf[256]; | |
e5c84d51 | 561 | |
0f113f3e MC |
562 | if (ret == NULL) |
563 | ret = buf; | |
564 | ERR_error_string_n(e, ret, 256); | |
d02b48c6 | 565 | |
0f113f3e MC |
566 | return ret; |
567 | } | |
d02b48c6 | 568 | |
6b691a5c | 569 | const char *ERR_lib_error_string(unsigned long e) |
0f113f3e MC |
570 | { |
571 | ERR_STRING_DATA d, *p; | |
572 | unsigned long l; | |
d02b48c6 | 573 | |
c2e4e5d2 RL |
574 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
575 | return NULL; | |
576 | } | |
7b8e12d2 | 577 | |
0f113f3e MC |
578 | l = ERR_GET_LIB(e); |
579 | d.error = ERR_PACK(l, 0, 0); | |
3e47caff | 580 | p = int_err_get_item(&d); |
0f113f3e MC |
581 | return ((p == NULL) ? NULL : p->string); |
582 | } | |
d02b48c6 | 583 | |
6b691a5c | 584 | const char *ERR_func_error_string(unsigned long e) |
0f113f3e MC |
585 | { |
586 | ERR_STRING_DATA d, *p; | |
587 | unsigned long l, f; | |
588 | ||
c2e4e5d2 RL |
589 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
590 | return NULL; | |
591 | } | |
7b8e12d2 | 592 | |
0f113f3e MC |
593 | l = ERR_GET_LIB(e); |
594 | f = ERR_GET_FUNC(e); | |
595 | d.error = ERR_PACK(l, f, 0); | |
3e47caff | 596 | p = int_err_get_item(&d); |
0f113f3e MC |
597 | return ((p == NULL) ? NULL : p->string); |
598 | } | |
d02b48c6 | 599 | |
6b691a5c | 600 | const char *ERR_reason_error_string(unsigned long e) |
0f113f3e MC |
601 | { |
602 | ERR_STRING_DATA d, *p = NULL; | |
603 | unsigned long l, r; | |
604 | ||
c2e4e5d2 RL |
605 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
606 | return NULL; | |
607 | } | |
7b8e12d2 | 608 | |
0f113f3e MC |
609 | l = ERR_GET_LIB(e); |
610 | r = ERR_GET_REASON(e); | |
611 | d.error = ERR_PACK(l, 0, r); | |
3e47caff | 612 | p = int_err_get_item(&d); |
0f113f3e MC |
613 | if (!p) { |
614 | d.error = ERR_PACK(0, 0, r); | |
3e47caff | 615 | p = int_err_get_item(&d); |
0f113f3e MC |
616 | } |
617 | return ((p == NULL) ? NULL : p->string); | |
618 | } | |
d02b48c6 | 619 | |
21e00174 | 620 | void err_delete_thread_state(void) |
0f113f3e | 621 | { |
8509dcc9 AG |
622 | ERR_STATE *state = ERR_get_state(); |
623 | if (state == NULL) | |
624 | return; | |
0f113f3e | 625 | |
8509dcc9 AG |
626 | CRYPTO_THREAD_set_local(&err_thread_local, NULL); |
627 | ERR_STATE_free(state); | |
0f113f3e | 628 | } |
d02b48c6 | 629 | |
1aca3618 | 630 | #if OPENSSL_API_COMPAT < 0x10100000L |
21e00174 RL |
631 | void ERR_remove_thread_state(void *dummy) |
632 | { | |
633 | } | |
634 | #endif | |
635 | ||
98186eb4 | 636 | #if OPENSSL_API_COMPAT < 0x10000000L |
4c329696 | 637 | void ERR_remove_state(unsigned long pid) |
0f113f3e | 638 | { |
0f113f3e | 639 | } |
4c329696 GT |
640 | #endif |
641 | ||
c2e4e5d2 | 642 | DEFINE_RUN_ONCE_STATIC(err_do_init) |
8509dcc9 | 643 | { |
73bc5370 | 644 | set_err_thread_local = 1; |
c2e4e5d2 | 645 | return CRYPTO_THREAD_init_local(&err_thread_local, NULL); |
8509dcc9 AG |
646 | } |
647 | ||
6b691a5c | 648 | ERR_STATE *ERR_get_state(void) |
0f113f3e | 649 | { |
8509dcc9 AG |
650 | ERR_STATE *state = NULL; |
651 | ||
c2e4e5d2 RL |
652 | if (!RUN_ONCE(&err_init, err_do_init)) |
653 | return NULL; | |
8509dcc9 AG |
654 | |
655 | state = CRYPTO_THREAD_get_local(&err_thread_local); | |
656 | ||
657 | if (state == NULL) { | |
658 | state = OPENSSL_zalloc(sizeof(*state)); | |
659 | if (state == NULL) | |
660 | return NULL; | |
661 | ||
662 | if (!CRYPTO_THREAD_set_local(&err_thread_local, state)) { | |
663 | ERR_STATE_free(state); | |
664 | return NULL; | |
0f113f3e | 665 | } |
0fc32b07 MC |
666 | |
667 | /* Ignore failures from these */ | |
f672aee4 | 668 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); |
7b9f8f7f | 669 | ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE); |
0f113f3e | 670 | } |
8509dcc9 AG |
671 | |
672 | return state; | |
0f113f3e | 673 | } |
d02b48c6 | 674 | |
6b691a5c | 675 | int ERR_get_next_error_library(void) |
0f113f3e | 676 | { |
3e47caff RS |
677 | int ret; |
678 | ||
c2e4e5d2 RL |
679 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
680 | return 0; | |
681 | } | |
7b8e12d2 AG |
682 | |
683 | CRYPTO_THREAD_write_lock(err_string_lock); | |
3e47caff | 684 | ret = int_err_library_number++; |
7b8e12d2 | 685 | CRYPTO_THREAD_unlock(err_string_lock); |
3e47caff | 686 | return ret; |
0f113f3e | 687 | } |
58964a49 | 688 | |
6b691a5c | 689 | void ERR_set_error_data(char *data, int flags) |
0f113f3e MC |
690 | { |
691 | ERR_STATE *es; | |
692 | int i; | |
58964a49 | 693 | |
0f113f3e | 694 | es = ERR_get_state(); |
58964a49 | 695 | |
0f113f3e MC |
696 | i = es->top; |
697 | if (i == 0) | |
698 | i = ERR_NUM_ERRORS - 1; | |
58964a49 | 699 | |
0f113f3e MC |
700 | err_clear_data(es, i); |
701 | es->err_data[i] = data; | |
702 | es->err_data_flags[i] = flags; | |
703 | } | |
58964a49 | 704 | |
4565c3e3 | 705 | void ERR_add_error_data(int num, ...) |
0f113f3e MC |
706 | { |
707 | va_list args; | |
708 | va_start(args, num); | |
709 | ERR_add_error_vdata(num, args); | |
710 | va_end(args); | |
711 | } | |
78c45722 DSH |
712 | |
713 | void ERR_add_error_vdata(int num, va_list args) | |
0f113f3e MC |
714 | { |
715 | int i, n, s; | |
716 | char *str, *p, *a; | |
717 | ||
718 | s = 80; | |
719 | str = OPENSSL_malloc(s + 1); | |
720 | if (str == NULL) | |
721 | return; | |
722 | str[0] = '\0'; | |
723 | ||
724 | n = 0; | |
725 | for (i = 0; i < num; i++) { | |
726 | a = va_arg(args, char *); | |
727 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ | |
728 | if (a != NULL) { | |
729 | n += strlen(a); | |
730 | if (n > s) { | |
731 | s = n + 20; | |
732 | p = OPENSSL_realloc(str, s + 1); | |
733 | if (p == NULL) { | |
734 | OPENSSL_free(str); | |
735 | return; | |
2d29e2df RS |
736 | } |
737 | str = p; | |
0f113f3e | 738 | } |
7644a9ae | 739 | OPENSSL_strlcat(str, a, (size_t)s + 1); |
0f113f3e MC |
740 | } |
741 | } | |
742 | ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING); | |
743 | } | |
54f64516 RL |
744 | |
745 | int ERR_set_mark(void) | |
0f113f3e MC |
746 | { |
747 | ERR_STATE *es; | |
54f64516 | 748 | |
0f113f3e | 749 | es = ERR_get_state(); |
54f64516 | 750 | |
0f113f3e MC |
751 | if (es->bottom == es->top) |
752 | return 0; | |
753 | es->err_flags[es->top] |= ERR_FLAG_MARK; | |
754 | return 1; | |
755 | } | |
54f64516 RL |
756 | |
757 | int ERR_pop_to_mark(void) | |
0f113f3e MC |
758 | { |
759 | ERR_STATE *es; | |
760 | ||
761 | es = ERR_get_state(); | |
762 | ||
763 | while (es->bottom != es->top | |
764 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) { | |
765 | err_clear(es, es->top); | |
766 | es->top -= 1; | |
767 | if (es->top == -1) | |
768 | es->top = ERR_NUM_ERRORS - 1; | |
769 | } | |
770 | ||
771 | if (es->bottom == es->top) | |
772 | return 0; | |
773 | es->err_flags[es->top] &= ~ERR_FLAG_MARK; | |
774 | return 1; | |
775 | } |