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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 | 16 | #include <openssl/lhash.h> |
52df25cf | 17 | #include <openssl/err.h> |
ec577822 | 18 | #include <openssl/crypto.h> |
ec577822 | 19 | #include <openssl/buffer.h> |
e5c84d51 | 20 | #include <openssl/bio.h> |
98186eb4 | 21 | #include <openssl/opensslconf.h> |
c2e4e5d2 | 22 | #include <internal/thread_once.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"}, |
0f113f3e MC |
64 | {0, NULL}, |
65 | }; | |
66 | ||
67 | static ERR_STRING_DATA ERR_str_functs[] = { | |
68 | {ERR_PACK(0, SYS_F_FOPEN, 0), "fopen"}, | |
69 | {ERR_PACK(0, SYS_F_CONNECT, 0), "connect"}, | |
70 | {ERR_PACK(0, SYS_F_GETSERVBYNAME, 0), "getservbyname"}, | |
71 | {ERR_PACK(0, SYS_F_SOCKET, 0), "socket"}, | |
72 | {ERR_PACK(0, SYS_F_IOCTLSOCKET, 0), "ioctlsocket"}, | |
73 | {ERR_PACK(0, SYS_F_BIND, 0), "bind"}, | |
74 | {ERR_PACK(0, SYS_F_LISTEN, 0), "listen"}, | |
75 | {ERR_PACK(0, SYS_F_ACCEPT, 0), "accept"}, | |
76 | # ifdef OPENSSL_SYS_WINDOWS | |
77 | {ERR_PACK(0, SYS_F_WSASTARTUP, 0), "WSAstartup"}, | |
78 | # endif | |
79 | {ERR_PACK(0, SYS_F_OPENDIR, 0), "opendir"}, | |
80 | {ERR_PACK(0, SYS_F_FREAD, 0), "fread"}, | |
83be2778 RL |
81 | {ERR_PACK(0, SYS_F_GETADDRINFO, 0), "getaddrinfo"}, |
82 | {ERR_PACK(0, SYS_F_GETNAMEINFO, 0), "getnameinfo"}, | |
d33b215b RL |
83 | {ERR_PACK(0, SYS_F_SETSOCKOPT, 0), "setsockopt"}, |
84 | {ERR_PACK(0, SYS_F_GETSOCKOPT, 0), "getsockopt"}, | |
85 | {ERR_PACK(0, SYS_F_GETSOCKNAME, 0), "getsockname"}, | |
c86d1f19 | 86 | {ERR_PACK(0, SYS_F_GETHOSTBYNAME, 0), "gethostbyname"}, |
595b2a42 | 87 | {ERR_PACK(0, SYS_F_FFLUSH, 0), "fflush"}, |
619eb33a RL |
88 | {ERR_PACK(0, SYS_F_OPEN, 0), "open"}, |
89 | {ERR_PACK(0, SYS_F_CLOSE, 0), "close"}, | |
90 | {ERR_PACK(0, SYS_F_IOCTL, 0), "ioctl"}, | |
970f467a | 91 | {ERR_PACK(0, SYS_F_STAT, 0), "stat"}, |
354ab365 | 92 | {ERR_PACK(0, SYS_F_FCNTL, 0), "fcntl"}, |
0f113f3e MC |
93 | {0, NULL}, |
94 | }; | |
95 | ||
96 | static ERR_STRING_DATA ERR_str_reasons[] = { | |
97 | {ERR_R_SYS_LIB, "system lib"}, | |
98 | {ERR_R_BN_LIB, "BN lib"}, | |
99 | {ERR_R_RSA_LIB, "RSA lib"}, | |
100 | {ERR_R_DH_LIB, "DH lib"}, | |
101 | {ERR_R_EVP_LIB, "EVP lib"}, | |
102 | {ERR_R_BUF_LIB, "BUF lib"}, | |
103 | {ERR_R_OBJ_LIB, "OBJ lib"}, | |
104 | {ERR_R_PEM_LIB, "PEM lib"}, | |
105 | {ERR_R_DSA_LIB, "DSA lib"}, | |
106 | {ERR_R_X509_LIB, "X509 lib"}, | |
107 | {ERR_R_ASN1_LIB, "ASN1 lib"}, | |
0f113f3e | 108 | {ERR_R_EC_LIB, "EC lib"}, |
0f113f3e MC |
109 | {ERR_R_BIO_LIB, "BIO lib"}, |
110 | {ERR_R_PKCS7_LIB, "PKCS7 lib"}, | |
111 | {ERR_R_X509V3_LIB, "X509V3 lib"}, | |
0f113f3e | 112 | {ERR_R_ENGINE_LIB, "ENGINE lib"}, |
c785fd48 | 113 | {ERR_R_UI_LIB, "UI lib"}, |
71a5516d | 114 | {ERR_R_OSSL_STORE_LIB, "STORE lib"}, |
0f113f3e MC |
115 | {ERR_R_ECDSA_LIB, "ECDSA lib"}, |
116 | ||
117 | {ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"}, | |
0f113f3e MC |
118 | {ERR_R_MISSING_ASN1_EOS, "missing asn1 eos"}, |
119 | ||
120 | {ERR_R_FATAL, "fatal"}, | |
121 | {ERR_R_MALLOC_FAILURE, "malloc failure"}, | |
122 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED, | |
123 | "called a function you should not call"}, | |
124 | {ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"}, | |
125 | {ERR_R_INTERNAL_ERROR, "internal error"}, | |
126 | {ERR_R_DISABLED, "called a function that was disabled at compile-time"}, | |
302f7588 | 127 | {ERR_R_INIT_FAIL, "init fail"}, |
9a32dcf4 | 128 | {ERR_R_OPERATION_FAIL, "operation fail"}, |
0f113f3e MC |
129 | |
130 | {0, NULL}, | |
131 | }; | |
d02b48c6 | 132 | #endif |
0a150c5c | 133 | |
8509dcc9 | 134 | static CRYPTO_ONCE err_init = CRYPTO_ONCE_STATIC_INIT; |
73bc5370 | 135 | static int set_err_thread_local; |
8509dcc9 AG |
136 | static CRYPTO_THREAD_LOCAL err_thread_local; |
137 | ||
7b8e12d2 AG |
138 | static CRYPTO_ONCE err_string_init = CRYPTO_ONCE_STATIC_INIT; |
139 | static CRYPTO_RWLOCK *err_string_lock; | |
140 | ||
566bdf2b | 141 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); |
566bdf2b | 142 | |
0f113f3e | 143 | /* |
3e47caff | 144 | * The internal state |
0f113f3e | 145 | */ |
f3f1cf84 | 146 | |
3c1d6bbc | 147 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
0f113f3e | 148 | static int int_err_library_number = ERR_LIB_USER; |
566bdf2b | 149 | |
0f113f3e MC |
150 | static unsigned long get_error_values(int inc, int top, const char **file, |
151 | int *line, const char **data, | |
152 | int *flags); | |
566bdf2b | 153 | |
3c1d6bbc | 154 | static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) |
0f113f3e MC |
155 | { |
156 | unsigned long ret, l; | |
157 | ||
158 | l = a->error; | |
159 | ret = l ^ ERR_GET_LIB(l) ^ ERR_GET_FUNC(l); | |
160 | return (ret ^ ret % 19 * 13); | |
161 | } | |
3c1d6bbc | 162 | |
3c1d6bbc | 163 | static int err_string_data_cmp(const ERR_STRING_DATA *a, |
0f113f3e MC |
164 | const ERR_STRING_DATA *b) |
165 | { | |
c784a838 RS |
166 | if (a->error == b->error) |
167 | return 0; | |
168 | return a->error > b->error ? 1 : -1; | |
0f113f3e MC |
169 | } |
170 | ||
566bdf2b | 171 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
0f113f3e | 172 | { |
3e47caff | 173 | ERR_STRING_DATA *p = NULL; |
78f79235 | 174 | |
7b8e12d2 | 175 | CRYPTO_THREAD_read_lock(err_string_lock); |
52df25cf | 176 | p = lh_ERR_STRING_DATA_retrieve(int_error_hash, d); |
7b8e12d2 | 177 | CRYPTO_THREAD_unlock(err_string_lock); |
78f79235 | 178 | |
0f113f3e MC |
179 | return p; |
180 | } | |
567fef89 | 181 | |
758f942b | 182 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
183 | # define NUM_SYS_STR_REASONS 127 |
184 | # define LEN_SYS_STR_REASON 32 | |
0a150c5c BM |
185 | |
186 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
0f113f3e MC |
187 | /* |
188 | * SYS_str_reasons is filled with copies of strerror() results at | |
189 | * initialization. 'errno' values up to 127 should cover all usual errors, | |
190 | * others will be displayed numerically by ERR_error_string. It is crucial | |
191 | * that we have something for each reason code that occurs in | |
192 | * ERR_str_reasons, or bogus reason strings will be returned for SYSerr(), | |
193 | * which always gets an errno value and never one of those 'standard' reason | |
194 | * codes. | |
195 | */ | |
0a150c5c | 196 | |
41a15c4f | 197 | static void build_SYS_str_reasons(void) |
0f113f3e MC |
198 | { |
199 | /* OPENSSL_malloc cannot be used here, use static storage instead */ | |
200 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; | |
0f113f3e | 201 | static int init = 1; |
3e47caff | 202 | int i; |
0f113f3e | 203 | |
7b8e12d2 | 204 | CRYPTO_THREAD_write_lock(err_string_lock); |
0f113f3e | 205 | if (!init) { |
7b8e12d2 | 206 | CRYPTO_THREAD_unlock(err_string_lock); |
0f113f3e MC |
207 | return; |
208 | } | |
209 | ||
210 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) { | |
211 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
212 | ||
52df25cf | 213 | str->error = ERR_PACK(ERR_LIB_SYS, 0, i); |
0f113f3e MC |
214 | if (str->string == NULL) { |
215 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
7d37818d | 216 | if (openssl_strerror_r(i, *dest, sizeof(*dest))) |
0f113f3e | 217 | str->string = *dest; |
0f113f3e MC |
218 | } |
219 | if (str->string == NULL) | |
220 | str->string = "unknown"; | |
221 | } | |
222 | ||
223 | /* | |
224 | * Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, as | |
225 | * required by ERR_load_strings. | |
226 | */ | |
227 | ||
228 | init = 0; | |
229 | ||
7b8e12d2 | 230 | CRYPTO_THREAD_unlock(err_string_lock); |
52df25cf | 231 | err_load_strings(SYS_str_reasons); |
0f113f3e | 232 | } |
d02b48c6 RE |
233 | #endif |
234 | ||
58964a49 | 235 | #define err_clear_data(p,i) \ |
0f113f3e | 236 | do { \ |
b548a1f1 | 237 | if ((p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ |
0f113f3e MC |
238 | { \ |
239 | OPENSSL_free((p)->err_data[i]); \ | |
240 | (p)->err_data[i]=NULL; \ | |
241 | } \ | |
242 | (p)->err_data_flags[i]=0; \ | |
243 | } while(0) | |
54f64516 RL |
244 | |
245 | #define err_clear(p,i) \ | |
0f113f3e MC |
246 | do { \ |
247 | (p)->err_flags[i]=0; \ | |
248 | (p)->err_buffer[i]=0; \ | |
249 | err_clear_data(p,i); \ | |
250 | (p)->err_file[i]=NULL; \ | |
251 | (p)->err_line[i]= -1; \ | |
252 | } while(0) | |
58964a49 | 253 | |
6b691a5c | 254 | static void ERR_STATE_free(ERR_STATE *s) |
0f113f3e MC |
255 | { |
256 | int i; | |
58964a49 | 257 | |
0f113f3e MC |
258 | if (s == NULL) |
259 | return; | |
e03ddfae | 260 | |
0f113f3e MC |
261 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
262 | err_clear_data(s, i); | |
263 | } | |
264 | OPENSSL_free(s); | |
265 | } | |
58964a49 | 266 | |
c2e4e5d2 | 267 | DEFINE_RUN_ONCE_STATIC(do_err_strings_init) |
7b8e12d2 | 268 | { |
135648bc | 269 | OPENSSL_init_crypto(0, NULL); |
7b8e12d2 | 270 | err_string_lock = CRYPTO_THREAD_lock_new(); |
52df25cf RS |
271 | int_error_hash = lh_ERR_STRING_DATA_new(err_string_data_hash, |
272 | err_string_data_cmp); | |
273 | return err_string_lock != NULL && int_error_hash != NULL; | |
ff234405 MC |
274 | } |
275 | ||
276 | void err_cleanup(void) | |
277 | { | |
73bc5370 RS |
278 | if (set_err_thread_local != 0) |
279 | CRYPTO_THREAD_cleanup_local(&err_thread_local); | |
ff234405 MC |
280 | CRYPTO_THREAD_lock_free(err_string_lock); |
281 | err_string_lock = NULL; | |
52df25cf RS |
282 | lh_ERR_STRING_DATA_free(int_error_hash); |
283 | int_error_hash = NULL; | |
284 | } | |
285 | ||
286 | /* | |
287 | * Legacy; pack in the library. | |
288 | */ | |
289 | static void err_patch(int lib, ERR_STRING_DATA *str) | |
290 | { | |
291 | unsigned long plib = ERR_PACK(lib, 0, 0); | |
292 | ||
293 | for (; str->error != 0; str++) | |
294 | str->error |= plib; | |
295 | } | |
296 | ||
297 | /* | |
298 | * Hash in |str| error strings. Assumes the URN_ONCE was done. | |
299 | */ | |
300 | static int err_load_strings(const ERR_STRING_DATA *str) | |
301 | { | |
302 | CRYPTO_THREAD_write_lock(err_string_lock); | |
303 | for (; str->error; str++) | |
304 | (void)lh_ERR_STRING_DATA_insert(int_error_hash, | |
305 | (ERR_STRING_DATA *)str); | |
306 | CRYPTO_THREAD_unlock(err_string_lock); | |
307 | return 1; | |
7b8e12d2 AG |
308 | } |
309 | ||
69588edb | 310 | int ERR_load_ERR_strings(void) |
0f113f3e | 311 | { |
cf1b7d96 | 312 | #ifndef OPENSSL_NO_ERR |
69588edb KR |
313 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
314 | return 0; | |
7b8e12d2 | 315 | |
52df25cf RS |
316 | err_load_strings(ERR_str_libraries); |
317 | err_load_strings(ERR_str_reasons); | |
318 | err_patch(ERR_LIB_SYS, ERR_str_functs); | |
319 | err_load_strings(ERR_str_functs); | |
0f113f3e | 320 | build_SYS_str_reasons(); |
d02b48c6 | 321 | #endif |
69588edb | 322 | return 1; |
0f113f3e | 323 | } |
d02b48c6 | 324 | |
52df25cf | 325 | int ERR_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 326 | { |
52df25cf RS |
327 | if (ERR_load_ERR_strings() == 0) |
328 | return 0; | |
329 | ||
330 | err_patch(lib, str); | |
331 | err_load_strings(str); | |
332 | return 1; | |
0f113f3e | 333 | } |
d02b48c6 | 334 | |
52df25cf | 335 | int ERR_load_strings_const(const ERR_STRING_DATA *str) |
0f113f3e | 336 | { |
69588edb KR |
337 | if (ERR_load_ERR_strings() == 0) |
338 | return 0; | |
52df25cf | 339 | err_load_strings(str); |
69588edb | 340 | return 1; |
0f113f3e | 341 | } |
cf5bfbfc | 342 | |
c2e4e5d2 | 343 | int ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 344 | { |
c2e4e5d2 RL |
345 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
346 | return 0; | |
7b8e12d2 AG |
347 | |
348 | CRYPTO_THREAD_write_lock(err_string_lock); | |
52df25cf RS |
349 | /* |
350 | * We don't need to ERR_PACK the lib, since that was done (to | |
351 | * the table) when it was loaded. | |
352 | */ | |
353 | for (; str->error; str++) | |
354 | (void)lh_ERR_STRING_DATA_delete(int_error_hash, str); | |
7b8e12d2 | 355 | CRYPTO_THREAD_unlock(err_string_lock); |
c2e4e5d2 RL |
356 | |
357 | return 1; | |
0f113f3e | 358 | } |
1738bb61 | 359 | |
b3599dbb | 360 | void err_free_strings_int(void) |
0f113f3e | 361 | { |
c2e4e5d2 RL |
362 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) |
363 | return; | |
0f113f3e | 364 | } |
d02b48c6 | 365 | |
58964a49 RE |
366 | /********************************************************/ |
367 | ||
0f113f3e MC |
368 | void ERR_put_error(int lib, int func, int reason, const char *file, int line) |
369 | { | |
370 | ERR_STATE *es; | |
d02b48c6 | 371 | |
a53955d8 | 372 | #ifdef _OSD_POSIX |
0f113f3e MC |
373 | /* |
374 | * In the BS2000-OSD POSIX subsystem, the compiler generates path names | |
375 | * in the form "*POSIX(/etc/passwd)". This dirty hack strips them to | |
376 | * something sensible. @@@ We shouldn't modify a const string, though. | |
377 | */ | |
378 | if (strncmp(file, "*POSIX(", sizeof("*POSIX(") - 1) == 0) { | |
379 | char *end; | |
380 | ||
381 | /* Skip the "*POSIX(" prefix */ | |
382 | file += sizeof("*POSIX(") - 1; | |
383 | end = &file[strlen(file) - 1]; | |
384 | if (*end == ')') | |
385 | *end = '\0'; | |
386 | /* Optional: use the basename of the path only. */ | |
387 | if ((end = strrchr(file, '/')) != NULL) | |
388 | file = &end[1]; | |
389 | } | |
a53955d8 | 390 | #endif |
0f113f3e | 391 | es = ERR_get_state(); |
4fc426b7 BE |
392 | if (es == NULL) |
393 | return; | |
0f113f3e MC |
394 | |
395 | es->top = (es->top + 1) % ERR_NUM_ERRORS; | |
396 | if (es->top == es->bottom) | |
397 | es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS; | |
398 | es->err_flags[es->top] = 0; | |
399 | es->err_buffer[es->top] = ERR_PACK(lib, func, reason); | |
400 | es->err_file[es->top] = file; | |
401 | es->err_line[es->top] = line; | |
402 | err_clear_data(es, es->top); | |
403 | } | |
d02b48c6 | 404 | |
6b691a5c | 405 | void ERR_clear_error(void) |
0f113f3e MC |
406 | { |
407 | int i; | |
408 | ERR_STATE *es; | |
d02b48c6 | 409 | |
0f113f3e | 410 | es = ERR_get_state(); |
4fc426b7 BE |
411 | if (es == NULL) |
412 | return; | |
d02b48c6 | 413 | |
0f113f3e MC |
414 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
415 | err_clear(es, i); | |
416 | } | |
417 | es->top = es->bottom = 0; | |
418 | } | |
d02b48c6 | 419 | |
6b691a5c | 420 | unsigned long ERR_get_error(void) |
0f113f3e MC |
421 | { |
422 | return (get_error_values(1, 0, NULL, NULL, NULL, NULL)); | |
423 | } | |
d02b48c6 | 424 | |
0f113f3e MC |
425 | unsigned long ERR_get_error_line(const char **file, int *line) |
426 | { | |
427 | return (get_error_values(1, 0, file, line, NULL, NULL)); | |
428 | } | |
d02b48c6 | 429 | |
6b691a5c | 430 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
0f113f3e MC |
431 | const char **data, int *flags) |
432 | { | |
433 | return (get_error_values(1, 0, file, line, data, flags)); | |
434 | } | |
273db408 | 435 | |
6b691a5c | 436 | unsigned long ERR_peek_error(void) |
0f113f3e MC |
437 | { |
438 | return (get_error_values(0, 0, NULL, NULL, NULL, NULL)); | |
439 | } | |
d02b48c6 | 440 | |
a14e2d9d | 441 | unsigned long ERR_peek_error_line(const char **file, int *line) |
0f113f3e MC |
442 | { |
443 | return (get_error_values(0, 0, file, line, NULL, NULL)); | |
444 | } | |
0fc5cf08 | 445 | |
6b691a5c | 446 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
0f113f3e MC |
447 | const char **data, int *flags) |
448 | { | |
449 | return (get_error_values(0, 0, file, line, data, flags)); | |
450 | } | |
273db408 BM |
451 | |
452 | unsigned long ERR_peek_last_error(void) | |
0f113f3e MC |
453 | { |
454 | return (get_error_values(0, 1, NULL, NULL, NULL, NULL)); | |
455 | } | |
273db408 BM |
456 | |
457 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
0f113f3e MC |
458 | { |
459 | return (get_error_values(0, 1, file, line, NULL, NULL)); | |
460 | } | |
273db408 | 461 | |
a14e2d9d | 462 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
0f113f3e MC |
463 | const char **data, int *flags) |
464 | { | |
465 | return (get_error_values(0, 1, file, line, data, flags)); | |
466 | } | |
467 | ||
468 | static unsigned long get_error_values(int inc, int top, const char **file, | |
469 | int *line, const char **data, | |
470 | int *flags) | |
471 | { | |
472 | int i = 0; | |
473 | ERR_STATE *es; | |
474 | unsigned long ret; | |
475 | ||
476 | es = ERR_get_state(); | |
4fc426b7 BE |
477 | if (es == NULL) |
478 | return 0; | |
0f113f3e MC |
479 | |
480 | if (inc && top) { | |
481 | if (file) | |
482 | *file = ""; | |
483 | if (line) | |
484 | *line = 0; | |
485 | if (data) | |
486 | *data = ""; | |
487 | if (flags) | |
488 | *flags = 0; | |
489 | ||
490 | return ERR_R_INTERNAL_ERROR; | |
491 | } | |
492 | ||
493 | if (es->bottom == es->top) | |
494 | return 0; | |
495 | if (top) | |
496 | i = es->top; /* last error */ | |
497 | else | |
498 | i = (es->bottom + 1) % ERR_NUM_ERRORS; /* first error */ | |
499 | ||
500 | ret = es->err_buffer[i]; | |
501 | if (inc) { | |
502 | es->bottom = i; | |
503 | es->err_buffer[i] = 0; | |
504 | } | |
505 | ||
506 | if ((file != NULL) && (line != NULL)) { | |
507 | if (es->err_file[i] == NULL) { | |
508 | *file = "NA"; | |
509 | if (line != NULL) | |
510 | *line = 0; | |
511 | } else { | |
512 | *file = es->err_file[i]; | |
513 | if (line != NULL) | |
514 | *line = es->err_line[i]; | |
515 | } | |
516 | } | |
517 | ||
518 | if (data == NULL) { | |
519 | if (inc) { | |
520 | err_clear_data(es, i); | |
521 | } | |
522 | } else { | |
523 | if (es->err_data[i] == NULL) { | |
524 | *data = ""; | |
525 | if (flags != NULL) | |
526 | *flags = 0; | |
527 | } else { | |
528 | *data = es->err_data[i]; | |
529 | if (flags != NULL) | |
530 | *flags = es->err_data_flags[i]; | |
531 | } | |
532 | } | |
533 | return ret; | |
534 | } | |
d02b48c6 | 535 | |
e5c84d51 | 536 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
0f113f3e MC |
537 | { |
538 | char lsbuf[64], fsbuf[64], rsbuf[64]; | |
539 | const char *ls, *fs, *rs; | |
540 | unsigned long l, f, r; | |
541 | ||
e5c13615 MC |
542 | if (len == 0) |
543 | return; | |
544 | ||
0f113f3e MC |
545 | l = ERR_GET_LIB(e); |
546 | f = ERR_GET_FUNC(e); | |
547 | r = ERR_GET_REASON(e); | |
548 | ||
549 | ls = ERR_lib_error_string(e); | |
550 | fs = ERR_func_error_string(e); | |
551 | rs = ERR_reason_error_string(e); | |
552 | ||
553 | if (ls == NULL) | |
554 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
555 | if (fs == NULL) | |
556 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); | |
557 | if (rs == NULL) | |
558 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); | |
559 | ||
560 | BIO_snprintf(buf, len, "error:%08lX:%s:%s:%s", e, ls ? ls : lsbuf, | |
561 | fs ? fs : fsbuf, rs ? rs : rsbuf); | |
562 | if (strlen(buf) == len - 1) { | |
563 | /* | |
564 | * output may be truncated; make sure we always have 5 | |
565 | * colon-separated fields, i.e. 4 colons ... | |
566 | */ | |
e5c84d51 | 567 | #define NUM_COLONS 4 |
0f113f3e MC |
568 | if (len > NUM_COLONS) { /* ... if possible */ |
569 | int i; | |
570 | char *s = buf; | |
571 | ||
572 | for (i = 0; i < NUM_COLONS; i++) { | |
573 | char *colon = strchr(s, ':'); | |
574 | if (colon == NULL || colon > &buf[len - 1] - NUM_COLONS + i) { | |
575 | /* | |
576 | * set colon no. i at last possible position (buf[len-1] | |
577 | * is the terminating 0) | |
578 | */ | |
579 | colon = &buf[len - 1] - NUM_COLONS + i; | |
580 | *colon = ':'; | |
581 | } | |
582 | s = colon + 1; | |
583 | } | |
584 | } | |
585 | } | |
586 | } | |
e5c84d51 | 587 | |
0f113f3e MC |
588 | /* |
589 | * ERR_error_string_n should be used instead for ret != NULL as | |
590 | * ERR_error_string cannot know how large the buffer is | |
591 | */ | |
e5c84d51 | 592 | char *ERR_error_string(unsigned long e, char *ret) |
0f113f3e MC |
593 | { |
594 | static char buf[256]; | |
e5c84d51 | 595 | |
0f113f3e MC |
596 | if (ret == NULL) |
597 | ret = buf; | |
598 | ERR_error_string_n(e, ret, 256); | |
d02b48c6 | 599 | |
0f113f3e MC |
600 | return ret; |
601 | } | |
d02b48c6 | 602 | |
6b691a5c | 603 | const char *ERR_lib_error_string(unsigned long e) |
0f113f3e MC |
604 | { |
605 | ERR_STRING_DATA d, *p; | |
606 | unsigned long l; | |
d02b48c6 | 607 | |
c2e4e5d2 RL |
608 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
609 | return NULL; | |
610 | } | |
7b8e12d2 | 611 | |
0f113f3e MC |
612 | l = ERR_GET_LIB(e); |
613 | d.error = ERR_PACK(l, 0, 0); | |
3e47caff | 614 | p = int_err_get_item(&d); |
0f113f3e MC |
615 | return ((p == NULL) ? NULL : p->string); |
616 | } | |
d02b48c6 | 617 | |
6b691a5c | 618 | const char *ERR_func_error_string(unsigned long e) |
0f113f3e MC |
619 | { |
620 | ERR_STRING_DATA d, *p; | |
621 | unsigned long l, f; | |
622 | ||
c2e4e5d2 RL |
623 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
624 | return NULL; | |
625 | } | |
7b8e12d2 | 626 | |
0f113f3e MC |
627 | l = ERR_GET_LIB(e); |
628 | f = ERR_GET_FUNC(e); | |
629 | d.error = ERR_PACK(l, f, 0); | |
3e47caff | 630 | p = int_err_get_item(&d); |
0f113f3e MC |
631 | return ((p == NULL) ? NULL : p->string); |
632 | } | |
d02b48c6 | 633 | |
6b691a5c | 634 | const char *ERR_reason_error_string(unsigned long e) |
0f113f3e MC |
635 | { |
636 | ERR_STRING_DATA d, *p = NULL; | |
637 | unsigned long l, r; | |
638 | ||
c2e4e5d2 RL |
639 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
640 | return NULL; | |
641 | } | |
7b8e12d2 | 642 | |
0f113f3e MC |
643 | l = ERR_GET_LIB(e); |
644 | r = ERR_GET_REASON(e); | |
645 | d.error = ERR_PACK(l, 0, r); | |
3e47caff | 646 | p = int_err_get_item(&d); |
0f113f3e MC |
647 | if (!p) { |
648 | d.error = ERR_PACK(0, 0, r); | |
3e47caff | 649 | p = int_err_get_item(&d); |
0f113f3e MC |
650 | } |
651 | return ((p == NULL) ? NULL : p->string); | |
652 | } | |
d02b48c6 | 653 | |
21e00174 | 654 | void err_delete_thread_state(void) |
0f113f3e | 655 | { |
af6de400 | 656 | ERR_STATE *state = CRYPTO_THREAD_get_local(&err_thread_local); |
8509dcc9 AG |
657 | if (state == NULL) |
658 | return; | |
0f113f3e | 659 | |
8509dcc9 AG |
660 | CRYPTO_THREAD_set_local(&err_thread_local, NULL); |
661 | ERR_STATE_free(state); | |
0f113f3e | 662 | } |
d02b48c6 | 663 | |
1aca3618 | 664 | #if OPENSSL_API_COMPAT < 0x10100000L |
21e00174 RL |
665 | void ERR_remove_thread_state(void *dummy) |
666 | { | |
667 | } | |
668 | #endif | |
669 | ||
98186eb4 | 670 | #if OPENSSL_API_COMPAT < 0x10000000L |
4c329696 | 671 | void ERR_remove_state(unsigned long pid) |
0f113f3e | 672 | { |
0f113f3e | 673 | } |
4c329696 GT |
674 | #endif |
675 | ||
c2e4e5d2 | 676 | DEFINE_RUN_ONCE_STATIC(err_do_init) |
8509dcc9 | 677 | { |
73bc5370 | 678 | set_err_thread_local = 1; |
c2e4e5d2 | 679 | return CRYPTO_THREAD_init_local(&err_thread_local, NULL); |
8509dcc9 AG |
680 | } |
681 | ||
6b691a5c | 682 | ERR_STATE *ERR_get_state(void) |
0f113f3e | 683 | { |
8509dcc9 AG |
684 | ERR_STATE *state = NULL; |
685 | ||
c2e4e5d2 RL |
686 | if (!RUN_ONCE(&err_init, err_do_init)) |
687 | return NULL; | |
8509dcc9 AG |
688 | |
689 | state = CRYPTO_THREAD_get_local(&err_thread_local); | |
690 | ||
691 | if (state == NULL) { | |
692 | state = OPENSSL_zalloc(sizeof(*state)); | |
693 | if (state == NULL) | |
694 | return NULL; | |
695 | ||
af6de400 BE |
696 | if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE) |
697 | || !CRYPTO_THREAD_set_local(&err_thread_local, state)) { | |
8509dcc9 AG |
698 | ERR_STATE_free(state); |
699 | return NULL; | |
0f113f3e | 700 | } |
0fc32b07 MC |
701 | |
702 | /* Ignore failures from these */ | |
f672aee4 | 703 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); |
0f113f3e | 704 | } |
8509dcc9 AG |
705 | |
706 | return state; | |
0f113f3e | 707 | } |
d02b48c6 | 708 | |
6b691a5c | 709 | int ERR_get_next_error_library(void) |
0f113f3e | 710 | { |
3e47caff RS |
711 | int ret; |
712 | ||
c2e4e5d2 RL |
713 | if (!RUN_ONCE(&err_string_init, do_err_strings_init)) { |
714 | return 0; | |
715 | } | |
7b8e12d2 AG |
716 | |
717 | CRYPTO_THREAD_write_lock(err_string_lock); | |
3e47caff | 718 | ret = int_err_library_number++; |
7b8e12d2 | 719 | CRYPTO_THREAD_unlock(err_string_lock); |
3e47caff | 720 | return ret; |
0f113f3e | 721 | } |
58964a49 | 722 | |
6b691a5c | 723 | void ERR_set_error_data(char *data, int flags) |
0f113f3e MC |
724 | { |
725 | ERR_STATE *es; | |
726 | int i; | |
58964a49 | 727 | |
0f113f3e | 728 | es = ERR_get_state(); |
4fc426b7 BE |
729 | if (es == NULL) |
730 | return; | |
58964a49 | 731 | |
0f113f3e | 732 | i = es->top; |
58964a49 | 733 | |
0f113f3e MC |
734 | err_clear_data(es, i); |
735 | es->err_data[i] = data; | |
736 | es->err_data_flags[i] = flags; | |
737 | } | |
58964a49 | 738 | |
4565c3e3 | 739 | void ERR_add_error_data(int num, ...) |
0f113f3e MC |
740 | { |
741 | va_list args; | |
742 | va_start(args, num); | |
743 | ERR_add_error_vdata(num, args); | |
744 | va_end(args); | |
745 | } | |
78c45722 DSH |
746 | |
747 | void ERR_add_error_vdata(int num, va_list args) | |
0f113f3e MC |
748 | { |
749 | int i, n, s; | |
750 | char *str, *p, *a; | |
751 | ||
752 | s = 80; | |
753 | str = OPENSSL_malloc(s + 1); | |
754 | if (str == NULL) | |
755 | return; | |
756 | str[0] = '\0'; | |
757 | ||
758 | n = 0; | |
759 | for (i = 0; i < num; i++) { | |
760 | a = va_arg(args, char *); | |
e2dba64c RS |
761 | if (a == NULL) |
762 | a = "<NULL>"; | |
0791bef0 RS |
763 | n += strlen(a); |
764 | if (n > s) { | |
765 | s = n + 20; | |
766 | p = OPENSSL_realloc(str, s + 1); | |
767 | if (p == NULL) { | |
768 | OPENSSL_free(str); | |
769 | return; | |
0f113f3e | 770 | } |
0791bef0 | 771 | str = p; |
0f113f3e | 772 | } |
0791bef0 | 773 | OPENSSL_strlcat(str, a, (size_t)s + 1); |
0f113f3e MC |
774 | } |
775 | ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING); | |
776 | } | |
54f64516 RL |
777 | |
778 | int ERR_set_mark(void) | |
0f113f3e MC |
779 | { |
780 | ERR_STATE *es; | |
54f64516 | 781 | |
0f113f3e | 782 | es = ERR_get_state(); |
4fc426b7 BE |
783 | if (es == NULL) |
784 | return 0; | |
54f64516 | 785 | |
0f113f3e MC |
786 | if (es->bottom == es->top) |
787 | return 0; | |
788 | es->err_flags[es->top] |= ERR_FLAG_MARK; | |
789 | return 1; | |
790 | } | |
54f64516 RL |
791 | |
792 | int ERR_pop_to_mark(void) | |
0f113f3e MC |
793 | { |
794 | ERR_STATE *es; | |
795 | ||
796 | es = ERR_get_state(); | |
4fc426b7 BE |
797 | if (es == NULL) |
798 | return 0; | |
0f113f3e MC |
799 | |
800 | while (es->bottom != es->top | |
801 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) { | |
802 | err_clear(es, es->top); | |
803 | es->top -= 1; | |
804 | if (es->top == -1) | |
805 | es->top = ERR_NUM_ERRORS - 1; | |
806 | } | |
807 | ||
808 | if (es->bottom == es->top) | |
809 | return 0; | |
810 | es->err_flags[es->top] &= ~ERR_FLAG_MARK; | |
811 | return 1; | |
812 | } | |
e1a4ff76 RL |
813 | |
814 | int ERR_clear_last_mark(void) | |
815 | { | |
816 | ERR_STATE *es; | |
817 | int top; | |
818 | ||
819 | es = ERR_get_state(); | |
820 | if (es == NULL) | |
821 | return 0; | |
822 | ||
823 | top = es->top; | |
824 | while (es->bottom != top | |
825 | && (es->err_flags[top] & ERR_FLAG_MARK) == 0) { | |
826 | top -= 1; | |
827 | if (top == -1) | |
828 | top = ERR_NUM_ERRORS - 1; | |
829 | } | |
830 | ||
831 | if (es->bottom == top) | |
832 | return 0; | |
833 | es->err_flags[top] &= ~ERR_FLAG_MARK; | |
834 | return 1; | |
835 | } |