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| 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 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 9254031:
Upgrade chrome's OpenSSL to same version Android ships with. (Closed)
Base URL: http://src.chromium.org/svn/trunk/deps/third_party/openssl/