diff options
Diffstat (limited to 'src/lib/libcrypto/err/err_def.c')
| -rw-r--r-- | src/lib/libcrypto/err/err_def.c | 665 |
1 files changed, 665 insertions, 0 deletions
diff --git a/src/lib/libcrypto/err/err_def.c b/src/lib/libcrypto/err/err_def.c new file mode 100644 index 0000000000..7ed3d84955 --- /dev/null +++ b/src/lib/libcrypto/err/err_def.c | |||
| @@ -0,0 +1,665 @@ | |||
| 1 | /* crypto/err/err_def.c */ | ||
| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
| 3 | * All rights reserved. | ||
| 4 | * | ||
| 5 | * This package is an SSL implementation written | ||
| 6 | * by Eric Young (eay@cryptsoft.com). | ||
| 7 | * The implementation was written so as to conform with Netscapes SSL. | ||
| 8 | * | ||
| 9 | * This library is free for commercial and non-commercial use as long as | ||
| 10 | * the following conditions are aheared to. The following conditions | ||
| 11 | * apply to all code found in this distribution, be it the RC4, RSA, | ||
| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
| 13 | * included with this distribution is covered by the same copyright terms | ||
| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
| 15 | * | ||
| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
| 17 | * the code are not to be removed. | ||
| 18 | * If this package is used in a product, Eric Young should be given attribution | ||
| 19 | * as the author of the parts of the library used. | ||
| 20 | * This can be in the form of a textual message at program startup or | ||
| 21 | * in documentation (online or textual) provided with the package. | ||
| 22 | * | ||
| 23 | * Redistribution and use in source and binary forms, with or without | ||
| 24 | * modification, are permitted provided that the following conditions | ||
| 25 | * are met: | ||
| 26 | * 1. Redistributions of source code must retain the copyright | ||
| 27 | * notice, this list of conditions and the following disclaimer. | ||
| 28 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 29 | * notice, this list of conditions and the following disclaimer in the | ||
| 30 | * documentation and/or other materials provided with the distribution. | ||
| 31 | * 3. All advertising materials mentioning features or use of this software | ||
| 32 | * must display the following acknowledgement: | ||
| 33 | * "This product includes cryptographic software written by | ||
| 34 | * Eric Young (eay@cryptsoft.com)" | ||
| 35 | * The word 'cryptographic' can be left out if the rouines from the library | ||
| 36 | * being used are not cryptographic related :-). | ||
| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from | ||
| 38 | * the apps directory (application code) you must include an acknowledgement: | ||
| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
| 40 | * | ||
| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| 51 | * SUCH DAMAGE. | ||
| 52 | * | ||
| 53 | * The licence and distribution terms for any publically available version or | ||
| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | ||
| 55 | * copied and put under another distribution licence | ||
| 56 | * [including the GNU Public Licence.] | ||
| 57 | */ | ||
| 58 | /* ==================================================================== | ||
| 59 | * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. | ||
| 60 | * | ||
| 61 | * Redistribution and use in source and binary forms, with or without | ||
| 62 | * modification, are permitted provided that the following conditions | ||
| 63 | * are met: | ||
| 64 | * | ||
| 65 | * 1. Redistributions of source code must retain the above copyright | ||
| 66 | * notice, this list of conditions and the following disclaimer. | ||
| 67 | * | ||
| 68 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 69 | * notice, this list of conditions and the following disclaimer in | ||
| 70 | * the documentation and/or other materials provided with the | ||
| 71 | * distribution. | ||
| 72 | * | ||
| 73 | * 3. All advertising materials mentioning features or use of this | ||
| 74 | * software must display the following acknowledgment: | ||
| 75 | * "This product includes software developed by the OpenSSL Project | ||
| 76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
| 77 | * | ||
| 78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
| 79 | * endorse or promote products derived from this software without | ||
| 80 | * prior written permission. For written permission, please contact | ||
| 81 | * openssl-core@openssl.org. | ||
| 82 | * | ||
| 83 | * 5. Products derived from this software may not be called "OpenSSL" | ||
| 84 | * nor may "OpenSSL" appear in their names without prior written | ||
| 85 | * permission of the OpenSSL Project. | ||
| 86 | * | ||
| 87 | * 6. Redistributions of any form whatsoever must retain the following | ||
| 88 | * acknowledgment: | ||
| 89 | * "This product includes software developed by the OpenSSL Project | ||
| 90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
| 91 | * | ||
| 92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
| 93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
| 96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
| 103 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 104 | * ==================================================================== | ||
| 105 | * | ||
| 106 | * This product includes cryptographic software written by Eric Young | ||
| 107 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
| 108 | * Hudson (tjh@cryptsoft.com). | ||
| 109 | * | ||
| 110 | */ | ||
| 111 | |||
| 112 | #include <stdio.h> | ||
| 113 | #include <stdarg.h> | ||
| 114 | #include <string.h> | ||
| 115 | #include "cryptlib.h" | ||
| 116 | #include <openssl/lhash.h> | ||
| 117 | #include <openssl/crypto.h> | ||
| 118 | #include <openssl/buffer.h> | ||
| 119 | #include <openssl/bio.h> | ||
| 120 | #include <openssl/err.h> | ||
| 121 | |||
| 122 | #define err_clear_data(p,i) \ | ||
| 123 | do { \ | ||
| 124 | if (((p)->err_data[i] != NULL) && \ | ||
| 125 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | ||
| 126 | { \ | ||
| 127 | OPENSSL_free((p)->err_data[i]); \ | ||
| 128 | (p)->err_data[i]=NULL; \ | ||
| 129 | } \ | ||
| 130 | (p)->err_data_flags[i]=0; \ | ||
| 131 | } while(0) | ||
| 132 | |||
| 133 | #define err_clear(p,i) \ | ||
| 134 | do { \ | ||
| 135 | (p)->err_flags[i]=0; \ | ||
| 136 | (p)->err_buffer[i]=0; \ | ||
| 137 | err_clear_data(p,i); \ | ||
| 138 | (p)->err_file[i]=NULL; \ | ||
| 139 | (p)->err_line[i]= -1; \ | ||
| 140 | } while(0) | ||
| 141 | |||
| 142 | static void err_load_strings(int lib, ERR_STRING_DATA *str); | ||
| 143 | |||
| 144 | static void ERR_STATE_free(ERR_STATE *s); | ||
| 145 | |||
| 146 | /* Define the predeclared (but externally opaque) "ERR_FNS" type */ | ||
| 147 | struct st_ERR_FNS | ||
| 148 | { | ||
| 149 | /* Works on the "error_hash" string table */ | ||
| 150 | LHASH *(*cb_err_get)(int create); | ||
| 151 | void (*cb_err_del)(void); | ||
| 152 | ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *); | ||
| 153 | ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *); | ||
| 154 | ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *); | ||
| 155 | /* Works on the "thread_hash" error-state table */ | ||
| 156 | LHASH *(*cb_thread_get)(int create); | ||
| 157 | void (*cb_thread_release)(LHASH **hash); | ||
| 158 | ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *); | ||
| 159 | ERR_STATE *(*cb_thread_set_item)(ERR_STATE *); | ||
| 160 | void (*cb_thread_del_item)(const ERR_STATE *); | ||
| 161 | /* Returns the next available error "library" numbers */ | ||
| 162 | int (*cb_get_next_lib)(void); | ||
| 163 | }; | ||
| 164 | |||
| 165 | /* Predeclarations of the "err_defaults" functions */ | ||
| 166 | static LHASH *int_err_get(int create); | ||
| 167 | static void int_err_del(void); | ||
| 168 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); | ||
| 169 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *); | ||
| 170 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *); | ||
| 171 | static LHASH *int_thread_get(int create); | ||
| 172 | static void int_thread_release(LHASH **hash); | ||
| 173 | static ERR_STATE *int_thread_get_item(const ERR_STATE *); | ||
| 174 | static ERR_STATE *int_thread_set_item(ERR_STATE *); | ||
| 175 | static void int_thread_del_item(const ERR_STATE *); | ||
| 176 | static int int_err_get_next_lib(void); | ||
| 177 | /* The static ERR_FNS table using these defaults functions */ | ||
| 178 | static const ERR_FNS err_defaults = | ||
| 179 | { | ||
| 180 | int_err_get, | ||
| 181 | int_err_del, | ||
| 182 | int_err_get_item, | ||
| 183 | int_err_set_item, | ||
| 184 | int_err_del_item, | ||
| 185 | int_thread_get, | ||
| 186 | int_thread_release, | ||
| 187 | int_thread_get_item, | ||
| 188 | int_thread_set_item, | ||
| 189 | int_thread_del_item, | ||
| 190 | int_err_get_next_lib | ||
| 191 | }; | ||
| 192 | |||
| 193 | /* The replacable table of ERR_FNS functions we use at run-time */ | ||
| 194 | static const ERR_FNS *err_fns = NULL; | ||
| 195 | |||
| 196 | /* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */ | ||
| 197 | #define ERRFN(a) err_fns->cb_##a | ||
| 198 | |||
| 199 | /* The internal state used by "err_defaults" - as such, the setting, reading, | ||
| 200 | * creating, and deleting of this data should only be permitted via the | ||
| 201 | * "err_defaults" functions. This way, a linked module can completely defer all | ||
| 202 | * ERR state operation (together with requisite locking) to the implementations | ||
| 203 | * and state in the loading application. */ | ||
| 204 | static LHASH *int_error_hash = NULL; | ||
| 205 | static LHASH *int_thread_hash = NULL; | ||
| 206 | static int int_thread_hash_references = 0; | ||
| 207 | static int int_err_library_number= ERR_LIB_USER; | ||
| 208 | |||
| 209 | /* Internal function that checks whether "err_fns" is set and if not, sets it to | ||
| 210 | * the defaults. */ | ||
| 211 | static void err_fns_check(void) | ||
| 212 | { | ||
| 213 | if (err_fns) return; | ||
| 214 | |||
| 215 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | ||
| 216 | if (!err_fns) | ||
| 217 | err_fns = &err_defaults; | ||
| 218 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | ||
| 219 | } | ||
| 220 | |||
| 221 | /* API functions to get or set the underlying ERR functions. */ | ||
| 222 | |||
| 223 | const ERR_FNS *ERR_get_implementation(void) | ||
| 224 | { | ||
| 225 | err_fns_check(); | ||
| 226 | return err_fns; | ||
| 227 | } | ||
| 228 | |||
| 229 | int ERR_set_implementation(const ERR_FNS *fns) | ||
| 230 | { | ||
| 231 | int ret = 0; | ||
| 232 | |||
| 233 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | ||
| 234 | /* It's too late if 'err_fns' is non-NULL. BTW: not much point setting | ||
| 235 | * an error is there?! */ | ||
| 236 | if (!err_fns) | ||
| 237 | { | ||
| 238 | err_fns = fns; | ||
| 239 | ret = 1; | ||
| 240 | } | ||
| 241 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | ||
| 242 | return ret; | ||
| 243 | } | ||
| 244 | |||
| 245 | /* These are the callbacks provided to "lh_new()" when creating the LHASH tables | ||
| 246 | * internal to the "err_defaults" implementation. */ | ||
| 247 | |||
| 248 | /* static unsigned long err_hash(ERR_STRING_DATA *a); */ | ||
| 249 | static unsigned long err_hash(const void *a_void); | ||
| 250 | /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */ | ||
| 251 | static int err_cmp(const void *a_void, const void *b_void); | ||
| 252 | /* static unsigned long pid_hash(ERR_STATE *pid); */ | ||
| 253 | static unsigned long pid_hash(const void *pid_void); | ||
| 254 | /* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */ | ||
| 255 | static int pid_cmp(const void *a_void,const void *pid_void); | ||
| 256 | |||
| 257 | /* The internal functions used in the "err_defaults" implementation */ | ||
| 258 | |||
| 259 | static LHASH *int_err_get(int create) | ||
| 260 | { | ||
| 261 | LHASH *ret = NULL; | ||
| 262 | |||
| 263 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | ||
| 264 | if (!int_error_hash && create) | ||
| 265 | { | ||
| 266 | CRYPTO_push_info("int_err_get (err.c)"); | ||
| 267 | int_error_hash = lh_new(err_hash, err_cmp); | ||
| 268 | CRYPTO_pop_info(); | ||
| 269 | } | ||
| 270 | if (int_error_hash) | ||
| 271 | ret = int_error_hash; | ||
| 272 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | ||
| 273 | |||
| 274 | return ret; | ||
| 275 | } | ||
| 276 | |||
| 277 | static void int_err_del(void) | ||
| 278 | { | ||
| 279 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | ||
| 280 | if (int_error_hash) | ||
| 281 | { | ||
| 282 | lh_free(int_error_hash); | ||
| 283 | int_error_hash = NULL; | ||
| 284 | } | ||
| 285 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | ||
| 286 | } | ||
| 287 | |||
| 288 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) | ||
| 289 | { | ||
| 290 | ERR_STRING_DATA *p; | ||
| 291 | LHASH *hash; | ||
| 292 | |||
| 293 | err_fns_check(); | ||
| 294 | hash = ERRFN(err_get)(0); | ||
| 295 | if (!hash) | ||
| 296 | return NULL; | ||
| 297 | |||
| 298 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); | ||
| 299 | p = (ERR_STRING_DATA *)lh_retrieve(hash, d); | ||
| 300 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | ||
| 301 | |||
| 302 | return p; | ||
| 303 | } | ||
| 304 | |||
| 305 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d) | ||
| 306 | { | ||
| 307 | ERR_STRING_DATA *p; | ||
| 308 | LHASH *hash; | ||
| 309 | |||
| 310 | err_fns_check(); | ||
| 311 | hash = ERRFN(err_get)(1); | ||
| 312 | if (!hash) | ||
| 313 | return NULL; | ||
| 314 | |||
| 315 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | ||
| 316 | p = (ERR_STRING_DATA *)lh_insert(hash, d); | ||
| 317 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | ||
| 318 | |||
| 319 | return p; | ||
| 320 | } | ||
| 321 | |||
| 322 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d) | ||
| 323 | { | ||
| 324 | ERR_STRING_DATA *p; | ||
| 325 | LHASH *hash; | ||
| 326 | |||
| 327 | err_fns_check(); | ||
| 328 | hash = ERRFN(err_get)(0); | ||
| 329 | if (!hash) | ||
| 330 | return NULL; | ||
| 331 | |||
| 332 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | ||
| 333 | p = (ERR_STRING_DATA *)lh_delete(hash, d); | ||
| 334 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | ||
| 335 | |||
| 336 | return p; | ||
| 337 | } | ||
| 338 | |||
| 339 | static LHASH *int_thread_get(int create) | ||
| 340 | { | ||
| 341 | LHASH *ret = NULL; | ||
| 342 | |||
| 343 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | ||
| 344 | if (!int_thread_hash && create) | ||
| 345 | { | ||
| 346 | CRYPTO_push_info("int_thread_get (err.c)"); | ||
| 347 | int_thread_hash = lh_new(pid_hash, pid_cmp); | ||
| 348 | CRYPTO_pop_info(); | ||
| 349 | } | ||
| 350 | if (int_thread_hash) | ||
| 351 | { | ||
| 352 | int_thread_hash_references++; | ||
| 353 | ret = int_thread_hash; | ||
| 354 | } | ||
| 355 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | ||
| 356 | return ret; | ||
| 357 | } | ||
| 358 | |||
| 359 | static void int_thread_release(LHASH **hash) | ||
| 360 | { | ||
| 361 | int i; | ||
| 362 | |||
| 363 | if (hash == NULL || *hash == NULL) | ||
| 364 | return; | ||
| 365 | |||
| 366 | i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR); | ||
| 367 | |||
| 368 | #ifdef REF_PRINT | ||
| 369 | fprintf(stderr,"%4d:%s\n",int_thread_hash_references,"ERR"); | ||
| 370 | #endif | ||
| 371 | if (i > 0) return; | ||
| 372 | #ifdef REF_CHECK | ||
| 373 | if (i < 0) | ||
| 374 | { | ||
| 375 | fprintf(stderr,"int_thread_release, bad reference count\n"); | ||
| 376 | abort(); /* ok */ | ||
| 377 | } | ||
| 378 | #endif | ||
| 379 | *hash = NULL; | ||
| 380 | } | ||
| 381 | |||
| 382 | static ERR_STATE *int_thread_get_item(const ERR_STATE *d) | ||
| 383 | { | ||
| 384 | ERR_STATE *p; | ||
| 385 | LHASH *hash; | ||
| 386 | |||
| 387 | err_fns_check(); | ||
| 388 | hash = ERRFN(thread_get)(0); | ||
| 389 | if (!hash) | ||
| 390 | return NULL; | ||
| 391 | |||
| 392 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); | ||
| 393 | p = (ERR_STATE *)lh_retrieve(hash, d); | ||
| 394 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | ||
| 395 | |||
| 396 | ERRFN(thread_release)(&hash); | ||
| 397 | return p; | ||
| 398 | } | ||
| 399 | |||
| 400 | static ERR_STATE *int_thread_set_item(ERR_STATE *d) | ||
| 401 | { | ||
| 402 | ERR_STATE *p; | ||
| 403 | LHASH *hash; | ||
| 404 | |||
| 405 | err_fns_check(); | ||
| 406 | hash = ERRFN(thread_get)(1); | ||
| 407 | if (!hash) | ||
| 408 | return NULL; | ||
| 409 | |||
| 410 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | ||
| 411 | p = (ERR_STATE *)lh_insert(hash, d); | ||
| 412 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | ||
| 413 | |||
| 414 | ERRFN(thread_release)(&hash); | ||
| 415 | return p; | ||
| 416 | } | ||
| 417 | |||
| 418 | static void int_thread_del_item(const ERR_STATE *d) | ||
| 419 | { | ||
| 420 | ERR_STATE *p; | ||
| 421 | LHASH *hash; | ||
| 422 | |||
| 423 | err_fns_check(); | ||
| 424 | hash = ERRFN(thread_get)(0); | ||
| 425 | if (!hash) | ||
| 426 | return; | ||
| 427 | |||
| 428 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | ||
| 429 | p = (ERR_STATE *)lh_delete(hash, d); | ||
| 430 | /* make sure we don't leak memory */ | ||
| 431 | if (int_thread_hash_references == 1 | ||
| 432 | && int_thread_hash && (lh_num_items(int_thread_hash) == 0)) | ||
| 433 | { | ||
| 434 | lh_free(int_thread_hash); | ||
| 435 | int_thread_hash = NULL; | ||
| 436 | } | ||
| 437 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | ||
| 438 | |||
| 439 | ERRFN(thread_release)(&hash); | ||
| 440 | if (p) | ||
| 441 | ERR_STATE_free(p); | ||
| 442 | } | ||
| 443 | |||
| 444 | static int int_err_get_next_lib(void) | ||
| 445 | { | ||
| 446 | int ret; | ||
| 447 | |||
| 448 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | ||
| 449 | ret = int_err_library_number++; | ||
| 450 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | ||
| 451 | |||
| 452 | return ret; | ||
| 453 | } | ||
| 454 | |||
| 455 | static void ERR_STATE_free(ERR_STATE *s) | ||
| 456 | { | ||
| 457 | int i; | ||
| 458 | |||
| 459 | if (s == NULL) | ||
| 460 | return; | ||
| 461 | |||
| 462 | for (i=0; i<ERR_NUM_ERRORS; i++) | ||
| 463 | { | ||
| 464 | err_clear_data(s,i); | ||
| 465 | } | ||
| 466 | OPENSSL_free(s); | ||
| 467 | } | ||
| 468 | |||
| 469 | static void err_load_strings(int lib, ERR_STRING_DATA *str) | ||
| 470 | { | ||
| 471 | while (str->error) | ||
| 472 | { | ||
| 473 | if (lib) | ||
| 474 | str->error|=ERR_PACK(lib,0,0); | ||
| 475 | ERRFN(err_set_item)(str); | ||
| 476 | str++; | ||
| 477 | } | ||
| 478 | } | ||
| 479 | |||
| 480 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) | ||
| 481 | { | ||
| 482 | err_fns_check(); | ||
| 483 | err_load_strings(lib, str); | ||
| 484 | } | ||
| 485 | |||
| 486 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) | ||
| 487 | { | ||
| 488 | while (str->error) | ||
| 489 | { | ||
| 490 | if (lib) | ||
| 491 | str->error|=ERR_PACK(lib,0,0); | ||
| 492 | ERRFN(err_del_item)(str); | ||
| 493 | str++; | ||
| 494 | } | ||
| 495 | } | ||
| 496 | |||
| 497 | void ERR_free_strings(void) | ||
| 498 | { | ||
| 499 | err_fns_check(); | ||
| 500 | ERRFN(err_del)(); | ||
| 501 | } | ||
| 502 | |||
| 503 | LHASH *ERR_get_string_table(void) | ||
| 504 | { | ||
| 505 | err_fns_check(); | ||
| 506 | return ERRFN(err_get)(0); | ||
| 507 | } | ||
| 508 | |||
| 509 | LHASH *ERR_get_err_state_table(void) | ||
| 510 | { | ||
| 511 | err_fns_check(); | ||
| 512 | return ERRFN(thread_get)(0); | ||
| 513 | } | ||
| 514 | |||
| 515 | void ERR_release_err_state_table(LHASH **hash) | ||
| 516 | { | ||
| 517 | err_fns_check(); | ||
| 518 | ERRFN(thread_release)(hash); | ||
| 519 | } | ||
| 520 | |||
| 521 | const char *ERR_lib_error_string(unsigned long e) | ||
| 522 | { | ||
| 523 | ERR_STRING_DATA d,*p; | ||
| 524 | unsigned long l; | ||
| 525 | |||
| 526 | err_fns_check(); | ||
| 527 | l=ERR_GET_LIB(e); | ||
| 528 | d.error=ERR_PACK(l,0,0); | ||
| 529 | p=ERRFN(err_get_item)(&d); | ||
| 530 | return((p == NULL)?NULL:p->string); | ||
| 531 | } | ||
| 532 | |||
| 533 | const char *ERR_func_error_string(unsigned long e) | ||
| 534 | { | ||
| 535 | ERR_STRING_DATA d,*p; | ||
| 536 | unsigned long l,f; | ||
| 537 | |||
| 538 | err_fns_check(); | ||
| 539 | l=ERR_GET_LIB(e); | ||
| 540 | f=ERR_GET_FUNC(e); | ||
| 541 | d.error=ERR_PACK(l,f,0); | ||
| 542 | p=ERRFN(err_get_item)(&d); | ||
| 543 | return((p == NULL)?NULL:p->string); | ||
| 544 | } | ||
| 545 | |||
| 546 | const char *ERR_reason_error_string(unsigned long e) | ||
| 547 | { | ||
| 548 | ERR_STRING_DATA d,*p=NULL; | ||
| 549 | unsigned long l,r; | ||
| 550 | |||
| 551 | err_fns_check(); | ||
| 552 | l=ERR_GET_LIB(e); | ||
| 553 | r=ERR_GET_REASON(e); | ||
| 554 | d.error=ERR_PACK(l,0,r); | ||
| 555 | p=ERRFN(err_get_item)(&d); | ||
| 556 | if (!p) | ||
| 557 | { | ||
| 558 | d.error=ERR_PACK(0,0,r); | ||
| 559 | p=ERRFN(err_get_item)(&d); | ||
| 560 | } | ||
| 561 | return((p == NULL)?NULL:p->string); | ||
| 562 | } | ||
| 563 | |||
| 564 | /* static unsigned long err_hash(ERR_STRING_DATA *a) */ | ||
| 565 | static unsigned long err_hash(const void *a_void) | ||
| 566 | { | ||
| 567 | unsigned long ret,l; | ||
| 568 | |||
| 569 | l=((const ERR_STRING_DATA *)a_void)->error; | ||
| 570 | ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); | ||
| 571 | return(ret^ret%19*13); | ||
| 572 | } | ||
| 573 | |||
| 574 | /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) */ | ||
| 575 | static int err_cmp(const void *a_void, const void *b_void) | ||
| 576 | { | ||
| 577 | return((int)(((const ERR_STRING_DATA *)a_void)->error - | ||
| 578 | ((const ERR_STRING_DATA *)b_void)->error)); | ||
| 579 | } | ||
| 580 | |||
| 581 | /* static unsigned long pid_hash(ERR_STATE *a) */ | ||
| 582 | static unsigned long pid_hash(const void *a_void) | ||
| 583 | { | ||
| 584 | return(((const ERR_STATE *)a_void)->pid*13); | ||
| 585 | } | ||
| 586 | |||
| 587 | /* static int pid_cmp(ERR_STATE *a, ERR_STATE *b) */ | ||
| 588 | static int pid_cmp(const void *a_void, const void *b_void) | ||
| 589 | { | ||
| 590 | return((int)((long)((const ERR_STATE *)a_void)->pid - | ||
| 591 | (long)((const ERR_STATE *)b_void)->pid)); | ||
| 592 | } | ||
| 593 | #ifdef OPENSSL_FIPS | ||
| 594 | static void int_err_remove_state(unsigned long pid) | ||
| 595 | #else | ||
| 596 | void ERR_remove_state(unsigned long pid) | ||
| 597 | #endif | ||
| 598 | { | ||
| 599 | ERR_STATE tmp; | ||
| 600 | |||
| 601 | err_fns_check(); | ||
| 602 | if (pid == 0) | ||
| 603 | pid=(unsigned long)CRYPTO_thread_id(); | ||
| 604 | tmp.pid=pid; | ||
| 605 | /* thread_del_item automatically destroys the LHASH if the number of | ||
| 606 | * items reaches zero. */ | ||
| 607 | ERRFN(thread_del_item)(&tmp); | ||
| 608 | } | ||
| 609 | |||
| 610 | #ifdef OPENSSL_FIPS | ||
| 611 | static ERR_STATE *int_err_get_state(void) | ||
| 612 | #else | ||
| 613 | ERR_STATE *ERR_get_state(void) | ||
| 614 | #endif | ||
| 615 | { | ||
| 616 | static ERR_STATE fallback; | ||
| 617 | ERR_STATE *ret,tmp,*tmpp=NULL; | ||
| 618 | int i; | ||
| 619 | unsigned long pid; | ||
| 620 | |||
| 621 | err_fns_check(); | ||
| 622 | pid=(unsigned long)CRYPTO_thread_id(); | ||
| 623 | tmp.pid=pid; | ||
| 624 | ret=ERRFN(thread_get_item)(&tmp); | ||
| 625 | |||
| 626 | /* ret == the error state, if NULL, make a new one */ | ||
| 627 | if (ret == NULL) | ||
| 628 | { | ||
| 629 | ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE)); | ||
| 630 | if (ret == NULL) return(&fallback); | ||
| 631 | ret->pid=pid; | ||
| 632 | ret->top=0; | ||
| 633 | ret->bottom=0; | ||
| 634 | for (i=0; i<ERR_NUM_ERRORS; i++) | ||
| 635 | { | ||
| 636 | ret->err_data[i]=NULL; | ||
| 637 | ret->err_data_flags[i]=0; | ||
| 638 | } | ||
| 639 | tmpp = ERRFN(thread_set_item)(ret); | ||
| 640 | /* To check if insertion failed, do a get. */ | ||
| 641 | if (ERRFN(thread_get_item)(ret) != ret) | ||
| 642 | { | ||
| 643 | ERR_STATE_free(ret); /* could not insert it */ | ||
| 644 | return(&fallback); | ||
| 645 | } | ||
| 646 | /* If a race occured in this function and we came second, tmpp | ||
| 647 | * is the first one that we just replaced. */ | ||
| 648 | if (tmpp) | ||
| 649 | ERR_STATE_free(tmpp); | ||
| 650 | } | ||
| 651 | return ret; | ||
| 652 | } | ||
| 653 | |||
| 654 | #ifdef OPENSSL_FIPS | ||
| 655 | void int_ERR_lib_init(void) | ||
| 656 | { | ||
| 657 | int_ERR_set_state_func(int_err_get_state, int_err_remove_state); | ||
| 658 | } | ||
| 659 | #endif | ||
| 660 | |||
| 661 | int ERR_get_next_error_library(void) | ||
| 662 | { | ||
| 663 | err_fns_check(); | ||
| 664 | return ERRFN(get_next_lib)(); | ||
| 665 | } | ||
