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aa6bb135 | 1 | /* |
6738bf14 | 2 | * Copyright 1995-2018 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> |
176db6dc RS |
13 | #include "internal/cryptlib_int.h" |
14 | #include "internal/err.h" | |
15 | #include "internal/err_int.h" | |
52df25cf | 16 | #include <openssl/err.h> |
ec577822 | 17 | #include <openssl/crypto.h> |
ec577822 | 18 | #include <openssl/buffer.h> |
e5c84d51 | 19 | #include <openssl/bio.h> |
98186eb4 | 20 | #include <openssl/opensslconf.h> |
176db6dc | 21 | #include "internal/thread_once.h" |
9f15e5b9 | 22 | #include "internal/ctype.h" |
3c1d6bbc | 23 | |
52df25cf | 24 | static int err_load_strings(const ERR_STRING_DATA *str); |
cf5bfbfc | 25 | |
58964a49 | 26 | static void ERR_STATE_free(ERR_STATE *s); |
cf1b7d96 | 27 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
28 | static ERR_STRING_DATA ERR_str_libraries[] = { |
29 | {ERR_PACK(ERR_LIB_NONE, 0, 0), "unknown library"}, | |
30 | {ERR_PACK(ERR_LIB_SYS, 0, 0), "system library"}, | |
31 | {ERR_PACK(ERR_LIB_BN, 0, 0), "bignum routines"}, | |
32 | {ERR_PACK(ERR_LIB_RSA, 0, 0), "rsa routines"}, | |
33 | {ERR_PACK(ERR_LIB_DH, 0, 0), "Diffie-Hellman routines"}, | |
34 | {ERR_PACK(ERR_LIB_EVP, 0, 0), "digital envelope routines"}, | |
35 | {ERR_PACK(ERR_LIB_BUF, 0, 0), "memory buffer routines"}, | |
36 | {ERR_PACK(ERR_LIB_OBJ, 0, 0), "object identifier routines"}, | |
37 | {ERR_PACK(ERR_LIB_PEM, 0, 0), "PEM routines"}, | |
38 | {ERR_PACK(ERR_LIB_DSA, 0, 0), "dsa routines"}, | |
39 | {ERR_PACK(ERR_LIB_X509, 0, 0), "x509 certificate routines"}, | |
40 | {ERR_PACK(ERR_LIB_ASN1, 0, 0), "asn1 encoding routines"}, | |
41 | {ERR_PACK(ERR_LIB_CONF, 0, 0), "configuration file routines"}, | |
42 | {ERR_PACK(ERR_LIB_CRYPTO, 0, 0), "common libcrypto routines"}, | |
43 | {ERR_PACK(ERR_LIB_EC, 0, 0), "elliptic curve routines"}, | |
44 | {ERR_PACK(ERR_LIB_ECDSA, 0, 0), "ECDSA routines"}, | |
45 | {ERR_PACK(ERR_LIB_ECDH, 0, 0), "ECDH routines"}, | |
46 | {ERR_PACK(ERR_LIB_SSL, 0, 0), "SSL routines"}, | |
47 | {ERR_PACK(ERR_LIB_BIO, 0, 0), "BIO routines"}, | |
48 | {ERR_PACK(ERR_LIB_PKCS7, 0, 0), "PKCS7 routines"}, | |
49 | {ERR_PACK(ERR_LIB_X509V3, 0, 0), "X509 V3 routines"}, | |
50 | {ERR_PACK(ERR_LIB_PKCS12, 0, 0), "PKCS12 routines"}, | |
51 | {ERR_PACK(ERR_LIB_RAND, 0, 0), "random number generator"}, | |
52 | {ERR_PACK(ERR_LIB_DSO, 0, 0), "DSO support routines"}, | |
53 | {ERR_PACK(ERR_LIB_TS, 0, 0), "time stamp routines"}, | |
54 | {ERR_PACK(ERR_LIB_ENGINE, 0, 0), "engine routines"}, | |
55 | {ERR_PACK(ERR_LIB_OCSP, 0, 0), "OCSP routines"}, | |
49844486 | 56 | {ERR_PACK(ERR_LIB_UI, 0, 0), "UI routines"}, |
0f113f3e MC |
57 | {ERR_PACK(ERR_LIB_FIPS, 0, 0), "FIPS routines"}, |
58 | {ERR_PACK(ERR_LIB_CMS, 0, 0), "CMS routines"}, | |
59 | {ERR_PACK(ERR_LIB_HMAC, 0, 0), "HMAC routines"}, | |
0cea8832 | 60 | {ERR_PACK(ERR_LIB_CT, 0, 0), "CT routines"}, |
079a1a90 | 61 | {ERR_PACK(ERR_LIB_ASYNC, 0, 0), "ASYNC routines"}, |
3e30fa0a | 62 | {ERR_PACK(ERR_LIB_KDF, 0, 0), "KDF routines"}, |
71a5516d | 63 | {ERR_PACK(ERR_LIB_OSSL_STORE, 0, 0), "STORE routines"}, |
3d328a44 | 64 | {ERR_PACK(ERR_LIB_SM2, 0, 0), "SM2 routines"}, |
0f113f3e MC |
65 | {0, NULL}, |
66 | }; | |
67 | ||
68 | static ERR_STRING_DATA ERR_str_functs[] = { | |
69 | {ERR_PACK(0, SYS_F_FOPEN, 0), "fopen"}, | |
70 | {ERR_PACK(0, SYS_F_CONNECT, 0), "connect"}, | |
71 | {ERR_PACK(0, SYS_F_GETSERVBYNAME, 0), "getservbyname"}, | |
72 | {ERR_PACK(0, SYS_F_SOCKET, 0), "socket"}, | |
73 | {ERR_PACK(0, SYS_F_IOCTLSOCKET, 0), "ioctlsocket"}, | |
74 | {ERR_PACK(0, SYS_F_BIND, 0), "bind"}, | |
75 | {ERR_PACK(0, SYS_F_LISTEN, 0), "listen"}, | |
76 | {ERR_PACK(0, SYS_F_ACCEPT, 0), "accept"}, | |
77 | # ifdef OPENSSL_SYS_WINDOWS | |
78 | {ERR_PACK(0, SYS_F_WSASTARTUP, 0), "WSAstartup"}, | |
79 | # endif | |
80 | {ERR_PACK(0, SYS_F_OPENDIR, 0), "opendir"}, | |
81 | {ERR_PACK(0, SYS_F_FREAD, 0), "fread"}, | |
83be2778 RL |
82 | {ERR_PACK(0, SYS_F_GETADDRINFO, 0), "getaddrinfo"}, |
83 | {ERR_PACK(0, SYS_F_GETNAMEINFO, 0), "getnameinfo"}, | |
d33b215b RL |
84 | {ERR_PACK(0, SYS_F_SETSOCKOPT, 0), "setsockopt"}, |
85 | {ERR_PACK(0, SYS_F_GETSOCKOPT, 0), "getsockopt"}, | |
86 | {ERR_PACK(0, SYS_F_GETSOCKNAME, 0), "getsockname"}, | |
c86d1f19 | 87 | {ERR_PACK(0, SYS_F_GETHOSTBYNAME, 0), "gethostbyname"}, |
595b2a42 | 88 | {ERR_PACK(0, SYS_F_FFLUSH, 0), "fflush"}, |
619eb33a RL |
89 | {ERR_PACK(0, SYS_F_OPEN, 0), "open"}, |
90 | {ERR_PACK(0, SYS_F_CLOSE, 0), "close"}, | |
91 | {ERR_PACK(0, SYS_F_IOCTL, 0), "ioctl"}, | |
970f467a | 92 | {ERR_PACK(0, SYS_F_STAT, 0), "stat"}, |
354ab365 | 93 | {ERR_PACK(0, SYS_F_FCNTL, 0), "fcntl"}, |
c7d5ea26 | 94 | {ERR_PACK(0, SYS_F_FSTAT, 0), "fstat"}, |
0f113f3e MC |
95 | {0, NULL}, |
96 | }; | |
97 | ||
98 | static ERR_STRING_DATA ERR_str_reasons[] = { | |
99 | {ERR_R_SYS_LIB, "system lib"}, | |
100 | {ERR_R_BN_LIB, "BN lib"}, | |
101 | {ERR_R_RSA_LIB, "RSA lib"}, | |
102 | {ERR_R_DH_LIB, "DH lib"}, | |
103 | {ERR_R_EVP_LIB, "EVP lib"}, | |
104 | {ERR_R_BUF_LIB, "BUF lib"}, | |
105 | {ERR_R_OBJ_LIB, "OBJ lib"}, | |
106 | {ERR_R_PEM_LIB, "PEM lib"}, | |
107 | {ERR_R_DSA_LIB, "DSA lib"}, | |
108 | {ERR_R_X509_LIB, "X509 lib"}, | |
109 | {ERR_R_ASN1_LIB, "ASN1 lib"}, | |
0f113f3e | 110 | {ERR_R_EC_LIB, "EC lib"}, |
0f113f3e MC |
111 | {ERR_R_BIO_LIB, "BIO lib"}, |
112 | {ERR_R_PKCS7_LIB, "PKCS7 lib"}, | |
113 | {ERR_R_X509V3_LIB, "X509V3 lib"}, | |
0f113f3e | 114 | {ERR_R_ENGINE_LIB, "ENGINE lib"}, |
c785fd48 | 115 | {ERR_R_UI_LIB, "UI lib"}, |
71a5516d | 116 | {ERR_R_OSSL_STORE_LIB, "STORE lib"}, |
0f113f3e MC |
117 | {ERR_R_ECDSA_LIB, "ECDSA lib"}, |
118 | ||
119 | {ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"}, | |
0f113f3e MC |
120 | {ERR_R_MISSING_ASN1_EOS, "missing asn1 eos"}, |
121 | ||
122 | {ERR_R_FATAL, "fatal"}, | |
123 | {ERR_R_MALLOC_FAILURE, "malloc failure"}, | |
124 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED, | |
125 | "called a function you should not call"}, | |
126 | {ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"}, | |
127 | {ERR_R_INTERNAL_ERROR, "internal error"}, | |
128 | {ERR_R_DISABLED, "called a function that was disabled at compile-time"}, | |
302f7588 | 129 | {ERR_R_INIT_FAIL, "init fail"}, |
9a32dcf4 | 130 | {ERR_R_OPERATION_FAIL, "operation fail"}, |
0f113f3e MC |
131 | |
132 | {0, NULL}, | |
133 | }; | |
d02b48c6 | 134 | #endif |
0a150c5c | 135 | |
8509dcc9 | 136 | static CRYPTO_ONCE err_init = CRYPTO_ONCE_STATIC_INIT; |
73bc5370 | 137 | static int set_err_thread_local; |
8509dcc9 AG |
138 | static CRYPTO_THREAD_LOCAL err_thread_local; |
139 | ||
7b8e12d2 AG |
140 | static CRYPTO_ONCE err_string_init = CRYPTO_ONCE_STATIC_INIT; |
141 | static CRYPTO_RWLOCK *err_string_lock; | |
142 | ||
566bdf2b | 143 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); |
566bdf2b | 144 | |
0f113f3e | 145 | /* |
3e47caff | 146 | * The internal state |
0f113f3e | 147 | */ |
f3f1cf84 | 148 | |
3c1d6bbc | 149 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
0f113f3e | 150 | static int int_err_library_number = ERR_LIB_USER; |
566bdf2b | 151 | |
0f113f3e MC |
152 | static unsigned long get_error_values(int inc, int top, const char **file, |
153 | int *line, const char **data, | |
154 | int *flags); | |
566bdf2b | 155 | |
3c1d6bbc | 156 | static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) |
0f113f3e MC |
157 | { |
158 | unsigned long ret, l; | |
159 | ||
160 | l = a->error; | |
161 | ret = l ^ ERR_GET_LIB(l) ^ ERR_GET_FUNC(l); | |
162 | return (ret ^ ret % 19 * 13); | |
163 | } | |
3c1d6bbc | 164 | |
3c1d6bbc | 165 | static int err_string_data_cmp(const ERR_STRING_DATA *a, |
0f113f3e MC |
166 | const ERR_STRING_DATA *b) |
167 | { | |
c784a838 RS |
168 | if (a->error == b->error) |
169 | return 0; | |
170 | return a->error > b->error ? 1 : -1; | |
0f113f3e MC |
171 | } |
172 | ||
566bdf2b | 173 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
0f113f3e | 174 | { |
3e47caff | 175 | ERR_STRING_DATA *p = NULL; |
78f79235 | 176 | |
7b8e12d2 | 177 | CRYPTO_THREAD_read_lock(err_string_lock); |
52df25cf | 178 | p = lh_ERR_STRING_DATA_retrieve(int_error_hash, d); |
7b8e12d2 | 179 | CRYPTO_THREAD_unlock(err_string_lock); |
78f79235 | 180 | |
0f113f3e MC |
181 | return p; |
182 | } | |
567fef89 | 183 | |
758f942b | 184 | #ifndef OPENSSL_NO_ERR |
2c5b6bbb RL |
185 | /* A measurement on Linux 2018-11-21 showed about 3.5kib */ |
186 | # define SPACE_SYS_STR_REASONS 4 * 1024 | |
0f113f3e | 187 | # define NUM_SYS_STR_REASONS 127 |
0a150c5c BM |
188 | |
189 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
0f113f3e MC |
190 | /* |
191 | * SYS_str_reasons is filled with copies of strerror() results at | |
192 | * initialization. 'errno' values up to 127 should cover all usual errors, | |
193 | * others will be displayed numerically by ERR_error_string. It is crucial | |
194 | * that we have something for each reason code that occurs in | |
195 | * ERR_str_reasons, or bogus reason strings will be returned for SYSerr(), | |
196 | * which always gets an errno value and never one of those 'standard' reason | |
197 | * codes. | |
198 | */ | |
0a150c5c | 199 | |
41a15c4f | 200 | static void build_SYS_str_reasons(void) |
0f113f3e MC |
201 | { |
202 | /* OPENSSL_malloc cannot be used here, use static storage instead */ | |
2c5b6bbb RL |
203 | static char strerror_pool[SPACE_SYS_STR_REASONS]; |
204 | char *cur = strerror_pool; | |
205 | size_t cnt = 0; | |
0f113f3e | 206 | static int init = 1; |
3e47caff | 207 | int i; |
0f113f3e | 208 | |
7b8e12d2 | 209 | CRYPTO_THREAD_write_lock(err_string_lock); |
0f113f3e | 210 | if (!init) { |
7b8e12d2 | 211 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e MC |
212 | return; |
213 | } | |
214 | ||
215 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) { | |
216 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
217 | ||
52df25cf | 218 | str->error = ERR_PACK(ERR_LIB_SYS, 0, i); |
0f113f3e | 219 | if (str->string == NULL) { |
2c5b6bbb | 220 | if (openssl_strerror_r(i, cur, sizeof(strerror_pool) - cnt)) { |
9f15e5b9 | 221 | size_t l = strlen(cur); |
2c5b6bbb RL |
222 | |
223 | str->string = cur; | |
224 | cnt += l; | |
225 | if (cnt > sizeof(strerror_pool)) | |
226 | cnt = sizeof(strerror_pool); | |
227 | cur += l; | |
9f15e5b9 RL |
228 | |
229 | /* | |
230 | * VMS has an unusual quirk of adding spaces at the end of | |
231 | * some (most? all?) messages. Lets trim them off. | |
232 | */ | |
233 | while (ossl_isspace(cur[-1])) { | |
234 | cur--; | |
235 | cnt--; | |
236 | } | |
237 | *cur++ = '\0'; | |
238 | cnt++; | |
2c5b6bbb | 239 | } |
0f113f3e MC |
240 | } |
241 | if (str->string == NULL) | |
242 | str->string = "unknown"; | |
243 | } | |
244 | ||
245 | /* | |
246 | * Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, as | |
247 | * required by ERR_load_strings. | |
248 | */ | |
249 | ||
250 | init = 0; | |
251 | ||
7b8e12d2 | 252 | CRYPTO_THREAD_unlock(err_string_lock); |
52df25cf | 253 | err_load_strings(SYS_str_reasons); |
0f113f3e | 254 | } |
d02b48c6 RE |
255 | #endif |
256 | ||
e6e9170d | 257 | #define err_clear_data(p, i) \ |
0f113f3e | 258 | do { \ |
e6e9170d | 259 | if ((p)->err_data_flags[i] & ERR_TXT_MALLOCED) {\ |
0f113f3e | 260 | OPENSSL_free((p)->err_data[i]); \ |
e6e9170d RS |
261 | (p)->err_data[i] = NULL; \ |
262 | } \ | |
263 | (p)->err_data_flags[i] = 0; \ | |
264 | } while (0) | |
54f64516 | 265 | |
e6e9170d | 266 | #define err_clear(p, i) \ |
0f113f3e | 267 | do { \ |
e6e9170d RS |
268 | err_clear_data(p, i); \ |
269 | (p)->err_flags[i] = 0; \ | |
270 | (p)->err_buffer[i] = 0; \ | |
271 | (p)->err_file[i] = NULL; \ | |
272 | (p)->err_line[i] = -1; \ | |
273 | } while (0) | |
58964a49 | 274 | |
6b691a5c | 275 | static void ERR_STATE_free(ERR_STATE *s) |
0f113f3e MC |
276 | { |
277 | int i; | |
58964a49 | 278 | |
e6e9170d RS |
279 | if (s == NULL) |
280 | return; | |
0f113f3e MC |
281 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
282 | err_clear_data(s, i); | |
283 | } | |
284 | OPENSSL_free(s); | |
285 | } | |
58964a49 | 286 | |
c2e4e5d2 | 287 | DEFINE_RUN_ONCE_STATIC(do_err_strings_init) |
7b8e12d2 | 288 | { |
eb2b9892 BE |
289 | if (!OPENSSL_init_crypto(0, NULL)) |
290 | return 0; | |
63ab5ea1 | 291 | err_string_lock = CRYPTO_THREAD_lock_new(); |
eb2b9892 BE |
292 | if (err_string_lock == NULL) |
293 | return 0; | |
52df25cf RS |
294 | int_error_hash = lh_ERR_STRING_DATA_new(err_string_data_hash, |
295 | err_string_data_cmp); | |
eb2b9892 BE |
296 | if (int_error_hash == NULL) { |
297 | CRYPTO_THREAD_lock_free(err_string_lock); | |
298 | err_string_lock = NULL; | |
299 | return 0; | |
300 | } | |
301 | return 1; | |
ff234405 MC |
302 | } |
303 | ||
304 | void err_cleanup(void) | |
305 | { | |
73bc5370 RS |
306 | if (set_err_thread_local != 0) |
307 | CRYPTO_THREAD_cleanup_local(&err_thread_local); | |
ff234405 MC |
308 | CRYPTO_THREAD_lock_free(err_string_lock); |
309 | err_string_lock = NULL; | |
52df25cf RS |
310 | lh_ERR_STRING_DATA_free(int_error_hash); |
311 | int_error_hash = NULL; | |
312 | } | |
313 | ||
314 | /* | |
315 | * Legacy; pack in the library. | |
316 | */ | |
317 | static void err_patch(int lib, ERR_STRING_DATA *str) | |
318 | { | |
319 | unsigned long plib = ERR_PACK(lib, 0, 0); | |
320 | ||
321 | for (; str->error != 0; str++) | |
322 | str->error |= plib; | |
323 | } | |
324 | ||
325 | /* | |
326 | * Hash in |str| error strings. Assumes the URN_ONCE was done. | |
327 | */ | |
328 | static int err_load_strings(const ERR_STRING_DATA *str) | |
329 | { | |
330 | CRYPTO_THREAD_write_lock(err_string_lock); | |
331 | for (; str->error; str++) | |
332 | (void)lh_ERR_STRING_DATA_insert(int_error_hash, | |
333 | (ERR_STRING_DATA *)str); | |
334 | CRYPTO_THREAD_unlock(err_string_lock); | |
335 | return 1; | |
7b8e12d2 AG |
336 | } |
337 | ||
69588edb | 338 | int ERR_load_ERR_strings(void) |
0f113f3e | 339 | { |
cf1b7d96 | 340 | #ifndef OPENSSL_NO_ERR |
69588edb KR |
341 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
342 | return 0; | |
7b8e12d2 | 343 | |
52df25cf RS |
344 | err_load_strings(ERR_str_libraries); |
345 | err_load_strings(ERR_str_reasons); | |
346 | err_patch(ERR_LIB_SYS, ERR_str_functs); | |
347 | err_load_strings(ERR_str_functs); | |
0f113f3e | 348 | build_SYS_str_reasons(); |
d02b48c6 | 349 | #endif |
69588edb | 350 | return 1; |
0f113f3e | 351 | } |
d02b48c6 | 352 | |
52df25cf | 353 | int ERR_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 354 | { |
52df25cf RS |
355 | if (ERR_load_ERR_strings() == 0) |
356 | return 0; | |
357 | ||
358 | err_patch(lib, str); | |
359 | err_load_strings(str); | |
360 | return 1; | |
0f113f3e | 361 | } |
d02b48c6 | 362 | |
52df25cf | 363 | int ERR_load_strings_const(const ERR_STRING_DATA *str) |
0f113f3e | 364 | { |
69588edb KR |
365 | if (ERR_load_ERR_strings() == 0) |
366 | return 0; | |
52df25cf | 367 | err_load_strings(str); |
69588edb | 368 | return 1; |
0f113f3e | 369 | } |
cf5bfbfc | 370 | |
c2e4e5d2 | 371 | int ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 372 | { |
c2e4e5d2 RL |
373 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
374 | return 0; | |
7b8e12d2 AG |
375 | |
376 | CRYPTO_THREAD_write_lock(err_string_lock); | |
52df25cf RS |
377 | /* |
378 | * We don't need to ERR_PACK the lib, since that was done (to | |
379 | * the table) when it was loaded. | |
380 | */ | |
381 | for (; str->error; str++) | |
382 | (void)lh_ERR_STRING_DATA_delete(int_error_hash, str); | |
7b8e12d2 | 383 | CRYPTO_THREAD_unlock(err_string_lock); |
c2e4e5d2 RL |
384 | |
385 | return 1; | |
0f113f3e | 386 | } |
1738bb61 | 387 | |
b3599dbb | 388 | void err_free_strings_int(void) |
0f113f3e | 389 | { |
c2e4e5d2 RL |
390 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
391 | return; | |
0f113f3e | 392 | } |
d02b48c6 | 393 | |
58964a49 RE |
394 | /********************************************************/ |
395 | ||
0f113f3e MC |
396 | void ERR_put_error(int lib, int func, int reason, const char *file, int line) |
397 | { | |
398 | ERR_STATE *es; | |
d02b48c6 | 399 | |
a53955d8 | 400 | #ifdef _OSD_POSIX |
0f113f3e MC |
401 | /* |
402 | * In the BS2000-OSD POSIX subsystem, the compiler generates path names | |
403 | * in the form "*POSIX(/etc/passwd)". This dirty hack strips them to | |
404 | * something sensible. @@@ We shouldn't modify a const string, though. | |
405 | */ | |
406 | if (strncmp(file, "*POSIX(", sizeof("*POSIX(") - 1) == 0) { | |
407 | char *end; | |
408 | ||
409 | /* Skip the "*POSIX(" prefix */ | |
410 | file += sizeof("*POSIX(") - 1; | |
411 | end = &file[strlen(file) - 1]; | |
412 | if (*end == ')') | |
413 | *end = '\0'; | |
414 | /* Optional: use the basename of the path only. */ | |
415 | if ((end = strrchr(file, '/')) != NULL) | |
416 | file = &end[1]; | |
417 | } | |
a53955d8 | 418 | #endif |
0f113f3e | 419 | es = ERR_get_state(); |
4fc426b7 BE |
420 | if (es == NULL) |
421 | return; | |
0f113f3e MC |
422 | |
423 | es->top = (es->top + 1) % ERR_NUM_ERRORS; | |
424 | if (es->top == es->bottom) | |
425 | es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS; | |
426 | es->err_flags[es->top] = 0; | |
427 | es->err_buffer[es->top] = ERR_PACK(lib, func, reason); | |
428 | es->err_file[es->top] = file; | |
429 | es->err_line[es->top] = line; | |
430 | err_clear_data(es, es->top); | |
431 | } | |
d02b48c6 | 432 | |
6b691a5c | 433 | void ERR_clear_error(void) |
0f113f3e MC |
434 | { |
435 | int i; | |
436 | ERR_STATE *es; | |
d02b48c6 | 437 | |
0f113f3e | 438 | es = ERR_get_state(); |
4fc426b7 BE |
439 | if (es == NULL) |
440 | return; | |
d02b48c6 | 441 | |
0f113f3e MC |
442 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
443 | err_clear(es, i); | |
444 | } | |
445 | es->top = es->bottom = 0; | |
446 | } | |
d02b48c6 | 447 | |
6b691a5c | 448 | unsigned long ERR_get_error(void) |
0f113f3e | 449 | { |
26a7d938 | 450 | return get_error_values(1, 0, NULL, NULL, NULL, NULL); |
0f113f3e | 451 | } |
d02b48c6 | 452 | |
0f113f3e MC |
453 | unsigned long ERR_get_error_line(const char **file, int *line) |
454 | { | |
26a7d938 | 455 | return get_error_values(1, 0, file, line, NULL, NULL); |
0f113f3e | 456 | } |
d02b48c6 | 457 | |
6b691a5c | 458 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
0f113f3e MC |
459 | const char **data, int *flags) |
460 | { | |
26a7d938 | 461 | return get_error_values(1, 0, file, line, data, flags); |
0f113f3e | 462 | } |
273db408 | 463 | |
6b691a5c | 464 | unsigned long ERR_peek_error(void) |
0f113f3e | 465 | { |
26a7d938 | 466 | return get_error_values(0, 0, NULL, NULL, NULL, NULL); |
0f113f3e | 467 | } |
d02b48c6 | 468 | |
a14e2d9d | 469 | unsigned long ERR_peek_error_line(const char **file, int *line) |
0f113f3e | 470 | { |
26a7d938 | 471 | return get_error_values(0, 0, file, line, NULL, NULL); |
0f113f3e | 472 | } |
0fc5cf08 | 473 | |
6b691a5c | 474 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
0f113f3e MC |
475 | const char **data, int *flags) |
476 | { | |
26a7d938 | 477 | return get_error_values(0, 0, file, line, data, flags); |
0f113f3e | 478 | } |
273db408 BM |
479 | |
480 | unsigned long ERR_peek_last_error(void) | |
0f113f3e | 481 | { |
26a7d938 | 482 | return get_error_values(0, 1, NULL, NULL, NULL, NULL); |
0f113f3e | 483 | } |
273db408 BM |
484 | |
485 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
0f113f3e | 486 | { |
26a7d938 | 487 | return get_error_values(0, 1, file, line, NULL, NULL); |
0f113f3e | 488 | } |
273db408 | 489 | |
a14e2d9d | 490 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
0f113f3e MC |
491 | const char **data, int *flags) |
492 | { | |
26a7d938 | 493 | return get_error_values(0, 1, file, line, data, flags); |
0f113f3e MC |
494 | } |
495 | ||
496 | static unsigned long get_error_values(int inc, int top, const char **file, | |
497 | int *line, const char **data, | |
498 | int *flags) | |
499 | { | |
500 | int i = 0; | |
501 | ERR_STATE *es; | |
502 | unsigned long ret; | |
503 | ||
504 | es = ERR_get_state(); | |
4fc426b7 BE |
505 | if (es == NULL) |
506 | return 0; | |
0f113f3e MC |
507 | |
508 | if (inc && top) { | |
509 | if (file) | |
510 | *file = ""; | |
511 | if (line) | |
512 | *line = 0; | |
513 | if (data) | |
514 | *data = ""; | |
515 | if (flags) | |
516 | *flags = 0; | |
517 | ||
518 | return ERR_R_INTERNAL_ERROR; | |
519 | } | |
520 | ||
521 | if (es->bottom == es->top) | |
522 | return 0; | |
523 | if (top) | |
524 | i = es->top; /* last error */ | |
525 | else | |
526 | i = (es->bottom + 1) % ERR_NUM_ERRORS; /* first error */ | |
527 | ||
528 | ret = es->err_buffer[i]; | |
529 | if (inc) { | |
530 | es->bottom = i; | |
531 | es->err_buffer[i] = 0; | |
532 | } | |
533 | ||
a0fda2cf | 534 | if (file != NULL && line != NULL) { |
0f113f3e MC |
535 | if (es->err_file[i] == NULL) { |
536 | *file = "NA"; | |
a0fda2cf | 537 | *line = 0; |
0f113f3e MC |
538 | } else { |
539 | *file = es->err_file[i]; | |
a0fda2cf | 540 | *line = es->err_line[i]; |
0f113f3e MC |
541 | } |
542 | } | |
543 | ||
544 | if (data == NULL) { | |
545 | if (inc) { | |
546 | err_clear_data(es, i); | |
547 | } | |
548 | } else { | |
549 | if (es->err_data[i] == NULL) { | |
550 | *data = ""; | |
551 | if (flags != NULL) | |
552 | *flags = 0; | |
553 | } else { | |
554 | *data = es->err_data[i]; | |
555 | if (flags != NULL) | |
556 | *flags = es->err_data_flags[i]; | |
557 | } | |
558 | } | |
559 | return ret; | |
560 | } | |
d02b48c6 | 561 | |
e5c84d51 | 562 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
0f113f3e MC |
563 | { |
564 | char lsbuf[64], fsbuf[64], rsbuf[64]; | |
565 | const char *ls, *fs, *rs; | |
566 | unsigned long l, f, r; | |
567 | ||
e5c13615 MC |
568 | if (len == 0) |
569 | return; | |
570 | ||
0f113f3e | 571 | l = ERR_GET_LIB(e); |
0f113f3e | 572 | ls = ERR_lib_error_string(e); |
fa4dd546 | 573 | if (ls == NULL) { |
0f113f3e | 574 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); |
fa4dd546 RS |
575 | ls = lsbuf; |
576 | } | |
577 | ||
578 | fs = ERR_func_error_string(e); | |
579 | f = ERR_GET_FUNC(e); | |
580 | if (fs == NULL) { | |
0f113f3e | 581 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); |
fa4dd546 RS |
582 | fs = fsbuf; |
583 | } | |
584 | ||
585 | rs = ERR_reason_error_string(e); | |
586 | r = ERR_GET_REASON(e); | |
587 | if (rs == NULL) { | |
0f113f3e | 588 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); |
fa4dd546 RS |
589 | rs = rsbuf; |
590 | } | |
0f113f3e | 591 | |
fa4dd546 | 592 | BIO_snprintf(buf, len, "error:%08lX:%s:%s:%s", e, ls, fs, rs); |
0f113f3e | 593 | if (strlen(buf) == len - 1) { |
fa4dd546 RS |
594 | /* Didn't fit; use a minimal format. */ |
595 | BIO_snprintf(buf, len, "err:%lx:%lx:%lx:%lx", e, l, f, r); | |
0f113f3e MC |
596 | } |
597 | } | |
e5c84d51 | 598 | |
0f113f3e MC |
599 | /* |
600 | * ERR_error_string_n should be used instead for ret != NULL as | |
601 | * ERR_error_string cannot know how large the buffer is | |
602 | */ | |
e5c84d51 | 603 | char *ERR_error_string(unsigned long e, char *ret) |
0f113f3e MC |
604 | { |
605 | static char buf[256]; | |
e5c84d51 | 606 | |
0f113f3e MC |
607 | if (ret == NULL) |
608 | ret = buf; | |
fa4dd546 | 609 | ERR_error_string_n(e, ret, (int)sizeof(buf)); |
0f113f3e MC |
610 | return ret; |
611 | } | |
d02b48c6 | 612 | |
6b691a5c | 613 | const char *ERR_lib_error_string(unsigned long e) |
0f113f3e MC |
614 | { |
615 | ERR_STRING_DATA d, *p; | |
616 | unsigned long l; | |
d02b48c6 | 617 | |
c2e4e5d2 RL |
618 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
619 | return NULL; | |
620 | } | |
7b8e12d2 | 621 | |
0f113f3e MC |
622 | l = ERR_GET_LIB(e); |
623 | d.error = ERR_PACK(l, 0, 0); | |
3e47caff | 624 | p = int_err_get_item(&d); |
0f113f3e MC |
625 | return ((p == NULL) ? NULL : p->string); |
626 | } | |
d02b48c6 | 627 | |
6b691a5c | 628 | const char *ERR_func_error_string(unsigned long e) |
0f113f3e MC |
629 | { |
630 | ERR_STRING_DATA d, *p; | |
631 | unsigned long l, f; | |
632 | ||
c2e4e5d2 RL |
633 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
634 | return NULL; | |
635 | } | |
7b8e12d2 | 636 | |
0f113f3e MC |
637 | l = ERR_GET_LIB(e); |
638 | f = ERR_GET_FUNC(e); | |
639 | d.error = ERR_PACK(l, f, 0); | |
3e47caff | 640 | p = int_err_get_item(&d); |
0f113f3e MC |
641 | return ((p == NULL) ? NULL : p->string); |
642 | } | |
d02b48c6 | 643 | |
6b691a5c | 644 | const char *ERR_reason_error_string(unsigned long e) |
0f113f3e MC |
645 | { |
646 | ERR_STRING_DATA d, *p = NULL; | |
647 | unsigned long l, r; | |
648 | ||
c2e4e5d2 RL |
649 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
650 | return NULL; | |
651 | } | |
7b8e12d2 | 652 | |
0f113f3e MC |
653 | l = ERR_GET_LIB(e); |
654 | r = ERR_GET_REASON(e); | |
655 | d.error = ERR_PACK(l, 0, r); | |
3e47caff | 656 | p = int_err_get_item(&d); |
0f113f3e MC |
657 | if (!p) { |
658 | d.error = ERR_PACK(0, 0, r); | |
3e47caff | 659 | p = int_err_get_item(&d); |
0f113f3e MC |
660 | } |
661 | return ((p == NULL) ? NULL : p->string); | |
662 | } | |
d02b48c6 | 663 | |
21e00174 | 664 | void err_delete_thread_state(void) |
0f113f3e | 665 | { |
af6de400 | 666 | ERR_STATE *state = CRYPTO_THREAD_get_local(&err_thread_local); |
8509dcc9 AG |
667 | if (state == NULL) |
668 | return; | |
0f113f3e | 669 | |
8509dcc9 AG |
670 | CRYPTO_THREAD_set_local(&err_thread_local, NULL); |
671 | ERR_STATE_free(state); | |
0f113f3e | 672 | } |
d02b48c6 | 673 | |
1aca3618 | 674 | #if OPENSSL_API_COMPAT < 0x10100000L |
21e00174 RL |
675 | void ERR_remove_thread_state(void *dummy) |
676 | { | |
677 | } | |
678 | #endif | |
679 | ||
98186eb4 | 680 | #if OPENSSL_API_COMPAT < 0x10000000L |
4c329696 | 681 | void ERR_remove_state(unsigned long pid) |
0f113f3e | 682 | { |
0f113f3e | 683 | } |
4c329696 GT |
684 | #endif |
685 | ||
c2e4e5d2 | 686 | DEFINE_RUN_ONCE_STATIC(err_do_init) |
8509dcc9 | 687 | { |
73bc5370 | 688 | set_err_thread_local = 1; |
c2e4e5d2 | 689 | return CRYPTO_THREAD_init_local(&err_thread_local, NULL); |
8509dcc9 AG |
690 | } |
691 | ||
6b691a5c | 692 | ERR_STATE *ERR_get_state(void) |
0f113f3e | 693 | { |
eb2b9892 BE |
694 | ERR_STATE *state; |
695 | ||
696 | if (!OPENSSL_init_crypto(OPENSSL_INIT_BASE_ONLY, NULL)) | |
697 | return NULL; | |
8509dcc9 | 698 | |
c2e4e5d2 RL |
699 | if (!RUN_ONCE(&err_init, err_do_init)) |
700 | return NULL; | |
8509dcc9 AG |
701 | |
702 | state = CRYPTO_THREAD_get_local(&err_thread_local); | |
6b49b308 BE |
703 | if (state == (ERR_STATE*)-1) |
704 | return NULL; | |
8509dcc9 AG |
705 | |
706 | if (state == NULL) { | |
6b49b308 BE |
707 | if (!CRYPTO_THREAD_set_local(&err_thread_local, (ERR_STATE*)-1)) |
708 | return NULL; | |
709 | ||
cdb10bae | 710 | if ((state = OPENSSL_zalloc(sizeof(*state))) == NULL) { |
6b49b308 | 711 | CRYPTO_THREAD_set_local(&err_thread_local, NULL); |
8509dcc9 | 712 | return NULL; |
cdb10bae | 713 | } |
8509dcc9 | 714 | |
af6de400 | 715 | if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE) |
6b49b308 | 716 | || !CRYPTO_THREAD_set_local(&err_thread_local, state)) { |
8509dcc9 | 717 | ERR_STATE_free(state); |
6b49b308 | 718 | CRYPTO_THREAD_set_local(&err_thread_local, NULL); |
8509dcc9 | 719 | return NULL; |
0f113f3e | 720 | } |
0fc32b07 MC |
721 | |
722 | /* Ignore failures from these */ | |
f672aee4 | 723 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); |
0f113f3e | 724 | } |
8509dcc9 AG |
725 | |
726 | return state; | |
0f113f3e | 727 | } |
d02b48c6 | 728 | |
eb2b9892 BE |
729 | /* |
730 | * err_shelve_state returns the current thread local error state | |
731 | * and freezes the error module until err_unshelve_state is called. | |
732 | */ | |
733 | int err_shelve_state(void **state) | |
734 | { | |
735 | if (!OPENSSL_init_crypto(OPENSSL_INIT_BASE_ONLY, NULL)) | |
736 | return 0; | |
737 | ||
738 | if (!RUN_ONCE(&err_init, err_do_init)) | |
739 | return 0; | |
740 | ||
741 | *state = CRYPTO_THREAD_get_local(&err_thread_local); | |
742 | if (!CRYPTO_THREAD_set_local(&err_thread_local, (ERR_STATE*)-1)) | |
743 | return 0; | |
744 | ||
745 | return 1; | |
746 | } | |
747 | ||
748 | /* | |
749 | * err_unshelve_state restores the error state that was returned | |
750 | * by err_shelve_state previously. | |
751 | */ | |
752 | void err_unshelve_state(void* state) | |
753 | { | |
754 | if (state != (void*)-1) | |
755 | CRYPTO_THREAD_set_local(&err_thread_local, (ERR_STATE*)state); | |
756 | } | |
757 | ||
6b691a5c | 758 | int ERR_get_next_error_library(void) |
0f113f3e | 759 | { |
3e47caff RS |
760 | int ret; |
761 | ||
eb2b9892 | 762 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
c2e4e5d2 | 763 | return 0; |
7b8e12d2 AG |
764 | |
765 | CRYPTO_THREAD_write_lock(err_string_lock); | |
3e47caff | 766 | ret = int_err_library_number++; |
7b8e12d2 | 767 | CRYPTO_THREAD_unlock(err_string_lock); |
3e47caff | 768 | return ret; |
0f113f3e | 769 | } |
58964a49 | 770 | |
6b691a5c | 771 | void ERR_set_error_data(char *data, int flags) |
0f113f3e MC |
772 | { |
773 | ERR_STATE *es; | |
774 | int i; | |
58964a49 | 775 | |
0f113f3e | 776 | es = ERR_get_state(); |
4fc426b7 BE |
777 | if (es == NULL) |
778 | return; | |
58964a49 | 779 | |
0f113f3e | 780 | i = es->top; |
58964a49 | 781 | |
0f113f3e MC |
782 | err_clear_data(es, i); |
783 | es->err_data[i] = data; | |
784 | es->err_data_flags[i] = flags; | |
785 | } | |
58964a49 | 786 | |
4565c3e3 | 787 | void ERR_add_error_data(int num, ...) |
0f113f3e MC |
788 | { |
789 | va_list args; | |
790 | va_start(args, num); | |
791 | ERR_add_error_vdata(num, args); | |
792 | va_end(args); | |
793 | } | |
78c45722 DSH |
794 | |
795 | void ERR_add_error_vdata(int num, va_list args) | |
0f113f3e MC |
796 | { |
797 | int i, n, s; | |
798 | char *str, *p, *a; | |
799 | ||
800 | s = 80; | |
cdb10bae RS |
801 | if ((str = OPENSSL_malloc(s + 1)) == NULL) { |
802 | /* ERRerr(ERR_F_ERR_ADD_ERROR_VDATA, ERR_R_MALLOC_FAILURE); */ | |
0f113f3e | 803 | return; |
cdb10bae | 804 | } |
0f113f3e MC |
805 | str[0] = '\0'; |
806 | ||
807 | n = 0; | |
808 | for (i = 0; i < num; i++) { | |
809 | a = va_arg(args, char *); | |
e2dba64c RS |
810 | if (a == NULL) |
811 | a = "<NULL>"; | |
0791bef0 RS |
812 | n += strlen(a); |
813 | if (n > s) { | |
814 | s = n + 20; | |
815 | p = OPENSSL_realloc(str, s + 1); | |
816 | if (p == NULL) { | |
817 | OPENSSL_free(str); | |
818 | return; | |
0f113f3e | 819 | } |
0791bef0 | 820 | str = p; |
0f113f3e | 821 | } |
0791bef0 | 822 | OPENSSL_strlcat(str, a, (size_t)s + 1); |
0f113f3e MC |
823 | } |
824 | ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING); | |
825 | } | |
54f64516 RL |
826 | |
827 | int ERR_set_mark(void) | |
0f113f3e MC |
828 | { |
829 | ERR_STATE *es; | |
54f64516 | 830 | |
0f113f3e | 831 | es = ERR_get_state(); |
4fc426b7 BE |
832 | if (es == NULL) |
833 | return 0; | |
54f64516 | 834 | |
0f113f3e MC |
835 | if (es->bottom == es->top) |
836 | return 0; | |
837 | es->err_flags[es->top] |= ERR_FLAG_MARK; | |
838 | return 1; | |
839 | } | |
54f64516 RL |
840 | |
841 | int ERR_pop_to_mark(void) | |
0f113f3e MC |
842 | { |
843 | ERR_STATE *es; | |
844 | ||
845 | es = ERR_get_state(); | |
4fc426b7 BE |
846 | if (es == NULL) |
847 | return 0; | |
0f113f3e MC |
848 | |
849 | while (es->bottom != es->top | |
850 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) { | |
851 | err_clear(es, es->top); | |
8909c2ce | 852 | es->top = es->top > 0 ? es->top - 1 : ERR_NUM_ERRORS - 1; |
0f113f3e MC |
853 | } |
854 | ||
855 | if (es->bottom == es->top) | |
856 | return 0; | |
857 | es->err_flags[es->top] &= ~ERR_FLAG_MARK; | |
858 | return 1; | |
859 | } | |
e1a4ff76 RL |
860 | |
861 | int ERR_clear_last_mark(void) | |
862 | { | |
863 | ERR_STATE *es; | |
864 | int top; | |
865 | ||
866 | es = ERR_get_state(); | |
867 | if (es == NULL) | |
868 | return 0; | |
869 | ||
870 | top = es->top; | |
871 | while (es->bottom != top | |
872 | && (es->err_flags[top] & ERR_FLAG_MARK) == 0) { | |
8909c2ce | 873 | top = top > 0 ? top - 1 : ERR_NUM_ERRORS - 1; |
e1a4ff76 RL |
874 | } |
875 | ||
876 | if (es->bottom == top) | |
877 | return 0; | |
878 | es->err_flags[top] &= ~ERR_FLAG_MARK; | |
879 | return 1; | |
880 | } |