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| 1 /* crypto/cryptlib.c */ | |
| 2 /* ==================================================================== | |
| 3 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in | |
| 14 * the documentation and/or other materials provided with the | |
| 15 * distribution. | |
| 16 * | |
| 17 * 3. All advertising materials mentioning features or use of this | |
| 18 * software must display the following acknowledgment: | |
| 19 * "This product includes software developed by the OpenSSL Project | |
| 20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
| 21 * | |
| 22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
| 23 * endorse or promote products derived from this software without | |
| 24 * prior written permission. For written permission, please contact | |
| 25 * openssl-core@openssl.org. | |
| 26 * | |
| 27 * 5. Products derived from this software may not be called "OpenSSL" | |
| 28 * nor may "OpenSSL" appear in their names without prior written | |
| 29 * permission of the OpenSSL Project. | |
| 30 * | |
| 31 * 6. Redistributions of any form whatsoever must retain the following | |
| 32 * acknowledgment: | |
| 33 * "This product includes software developed by the OpenSSL Project | |
| 34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
| 35 * | |
| 36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
| 37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
| 40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 47 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 48 * ==================================================================== | |
| 49 * | |
| 50 * This product includes cryptographic software written by Eric Young | |
| 51 * (eay@cryptsoft.com). This product includes software written by Tim | |
| 52 * Hudson (tjh@cryptsoft.com). | |
| 53 * | |
| 54 */ | |
| 55 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 56 * All rights reserved. | |
| 57 * | |
| 58 * This package is an SSL implementation written | |
| 59 * by Eric Young (eay@cryptsoft.com). | |
| 60 * The implementation was written so as to conform with Netscapes SSL. | |
| 61 * | |
| 62 * This library is free for commercial and non-commercial use as long as | |
| 63 * the following conditions are aheared to. The following conditions | |
| 64 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 65 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 66 * included with this distribution is covered by the same copyright terms | |
| 67 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 68 * | |
| 69 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 70 * the code are not to be removed. | |
| 71 * If this package is used in a product, Eric Young should be given attribution | |
| 72 * as the author of the parts of the library used. | |
| 73 * This can be in the form of a textual message at program startup or | |
| 74 * in documentation (online or textual) provided with the package. | |
| 75 * | |
| 76 * Redistribution and use in source and binary forms, with or without | |
| 77 * modification, are permitted provided that the following conditions | |
| 78 * are met: | |
| 79 * 1. Redistributions of source code must retain the copyright | |
| 80 * notice, this list of conditions and the following disclaimer. | |
| 81 * 2. Redistributions in binary form must reproduce the above copyright | |
| 82 * notice, this list of conditions and the following disclaimer in the | |
| 83 * documentation and/or other materials provided with the distribution. | |
| 84 * 3. All advertising materials mentioning features or use of this software | |
| 85 * must display the following acknowledgement: | |
| 86 * "This product includes cryptographic software written by | |
| 87 * Eric Young (eay@cryptsoft.com)" | |
| 88 * The word 'cryptographic' can be left out if the rouines from the library | |
| 89 * being used are not cryptographic related :-). | |
| 90 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 91 * the apps directory (application code) you must include an acknowledgement: | |
| 92 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 93 * | |
| 94 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 95 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 97 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 98 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 99 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 100 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 101 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 102 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 103 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 104 * SUCH DAMAGE. | |
| 105 * | |
| 106 * The licence and distribution terms for any publically available version or | |
| 107 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 108 * copied and put under another distribution licence | |
| 109 * [including the GNU Public Licence.] | |
| 110 */ | |
| 111 /* ==================================================================== | |
| 112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
| 113 * ECDH support in OpenSSL originally developed by | |
| 114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. | |
| 115 */ | |
| 116 | |
| 117 #include "cryptlib.h" | |
| 118 #include <openssl/safestack.h> | |
| 119 | |
| 120 #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) | |
| 121 static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */ | |
| 122 #endif | |
| 123 | |
| 124 DECLARE_STACK_OF(CRYPTO_dynlock) | |
| 125 | |
| 126 /* real #defines in crypto.h, keep these upto date */ | |
| 127 static const char* const lock_names[CRYPTO_NUM_LOCKS] = | |
| 128 { | |
| 129 "<<ERROR>>", | |
| 130 "err", | |
| 131 "ex_data", | |
| 132 "x509", | |
| 133 "x509_info", | |
| 134 "x509_pkey", | |
| 135 "x509_crl", | |
| 136 "x509_req", | |
| 137 "dsa", | |
| 138 "rsa", | |
| 139 "evp_pkey", | |
| 140 "x509_store", | |
| 141 "ssl_ctx", | |
| 142 "ssl_cert", | |
| 143 "ssl_session", | |
| 144 "ssl_sess_cert", | |
| 145 "ssl", | |
| 146 "ssl_method", | |
| 147 "rand", | |
| 148 "rand2", | |
| 149 "debug_malloc", | |
| 150 "BIO", | |
| 151 "gethostbyname", | |
| 152 "getservbyname", | |
| 153 "readdir", | |
| 154 "RSA_blinding", | |
| 155 "dh", | |
| 156 "debug_malloc2", | |
| 157 "dso", | |
| 158 "dynlock", | |
| 159 "engine", | |
| 160 "ui", | |
| 161 "ecdsa", | |
| 162 "ec", | |
| 163 "ecdh", | |
| 164 "bn", | |
| 165 "ec_pre_comp", | |
| 166 "store", | |
| 167 "comp", | |
| 168 "fips", | |
| 169 "fips2", | |
| 170 #if CRYPTO_NUM_LOCKS != 41 | |
| 171 # error "Inconsistency between crypto.h and cryptlib.c" | |
| 172 #endif | |
| 173 }; | |
| 174 | |
| 175 /* This is for applications to allocate new type names in the non-dynamic | |
| 176 array of lock names. These are numbered with positive numbers. */ | |
| 177 static STACK_OF(OPENSSL_STRING) *app_locks=NULL; | |
| 178 | |
| 179 /* For applications that want a more dynamic way of handling threads, the | |
| 180 following stack is used. These are externally numbered with negative | |
| 181 numbers. */ | |
| 182 static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL; | |
| 183 | |
| 184 | |
| 185 static void (MS_FAR *locking_callback)(int mode,int type, | |
| 186 const char *file,int line)=0; | |
| 187 static int (MS_FAR *add_lock_callback)(int *pointer,int amount, | |
| 188 int type,const char *file,int line)=0; | |
| 189 #ifndef OPENSSL_NO_DEPRECATED | |
| 190 static unsigned long (MS_FAR *id_callback)(void)=0; | |
| 191 #endif | |
| 192 static void (MS_FAR *threadid_callback)(CRYPTO_THREADID *)=0; | |
| 193 static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback) | |
| 194 (const char *file,int line)=0; | |
| 195 static void (MS_FAR *dynlock_lock_callback)(int mode, | |
| 196 struct CRYPTO_dynlock_value *l, const char *file,int line)=0; | |
| 197 static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l, | |
| 198 const char *file,int line)=0; | |
| 199 | |
| 200 int CRYPTO_get_new_lockid(char *name) | |
| 201 { | |
| 202 char *str; | |
| 203 int i; | |
| 204 | |
| 205 #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) | |
| 206 /* A hack to make Visual C++ 5.0 work correctly when linking as | |
| 207 * a DLL using /MT. Without this, the application cannot use | |
| 208 * any floating point printf's. | |
| 209 * It also seems to be needed for Visual C 1.5 (win16) */ | |
| 210 SSLeay_MSVC5_hack=(double)name[0]*(double)name[1]; | |
| 211 #endif | |
| 212 | |
| 213 if ((app_locks == NULL) && ((app_locks=sk_OPENSSL_STRING_new_null()) ==
NULL)) | |
| 214 { | |
| 215 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); | |
| 216 return(0); | |
| 217 } | |
| 218 if ((str=BUF_strdup(name)) == NULL) | |
| 219 { | |
| 220 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); | |
| 221 return(0); | |
| 222 } | |
| 223 i=sk_OPENSSL_STRING_push(app_locks,str); | |
| 224 if (!i) | |
| 225 OPENSSL_free(str); | |
| 226 else | |
| 227 i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */ | |
| 228 return(i); | |
| 229 } | |
| 230 | |
| 231 int CRYPTO_num_locks(void) | |
| 232 { | |
| 233 return CRYPTO_NUM_LOCKS; | |
| 234 } | |
| 235 | |
| 236 int CRYPTO_get_new_dynlockid(void) | |
| 237 { | |
| 238 int i = 0; | |
| 239 CRYPTO_dynlock *pointer = NULL; | |
| 240 | |
| 241 if (dynlock_create_callback == NULL) | |
| 242 { | |
| 243 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,CRYPTO_R_NO_DYNLOCK_
CREATE_CALLBACK); | |
| 244 return(0); | |
| 245 } | |
| 246 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
| 247 if ((dyn_locks == NULL) | |
| 248 && ((dyn_locks=sk_CRYPTO_dynlock_new_null()) == NULL)) | |
| 249 { | |
| 250 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
| 251 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE
); | |
| 252 return(0); | |
| 253 } | |
| 254 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
| 255 | |
| 256 pointer = (CRYPTO_dynlock *)OPENSSL_malloc(sizeof(CRYPTO_dynlock)); | |
| 257 if (pointer == NULL) | |
| 258 { | |
| 259 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE
); | |
| 260 return(0); | |
| 261 } | |
| 262 pointer->references = 1; | |
| 263 pointer->data = dynlock_create_callback(__FILE__,__LINE__); | |
| 264 if (pointer->data == NULL) | |
| 265 { | |
| 266 OPENSSL_free(pointer); | |
| 267 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE
); | |
| 268 return(0); | |
| 269 } | |
| 270 | |
| 271 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
| 272 /* First, try to find an existing empty slot */ | |
| 273 i=sk_CRYPTO_dynlock_find(dyn_locks,NULL); | |
| 274 /* If there was none, push, thereby creating a new one */ | |
| 275 if (i == -1) | |
| 276 /* Since sk_push() returns the number of items on the | |
| 277 stack, not the location of the pushed item, we need | |
| 278 to transform the returned number into a position, | |
| 279 by decreasing it. */ | |
| 280 i=sk_CRYPTO_dynlock_push(dyn_locks,pointer) - 1; | |
| 281 else | |
| 282 /* If we found a place with a NULL pointer, put our pointer | |
| 283 in it. */ | |
| 284 (void)sk_CRYPTO_dynlock_set(dyn_locks,i,pointer); | |
| 285 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
| 286 | |
| 287 if (i == -1) | |
| 288 { | |
| 289 dynlock_destroy_callback(pointer->data,__FILE__,__LINE__); | |
| 290 OPENSSL_free(pointer); | |
| 291 } | |
| 292 else | |
| 293 i += 1; /* to avoid 0 */ | |
| 294 return -i; | |
| 295 } | |
| 296 | |
| 297 void CRYPTO_destroy_dynlockid(int i) | |
| 298 { | |
| 299 CRYPTO_dynlock *pointer = NULL; | |
| 300 if (i) | |
| 301 i = -i-1; | |
| 302 if (dynlock_destroy_callback == NULL) | |
| 303 return; | |
| 304 | |
| 305 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
| 306 | |
| 307 if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks)) | |
| 308 { | |
| 309 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
| 310 return; | |
| 311 } | |
| 312 pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); | |
| 313 if (pointer != NULL) | |
| 314 { | |
| 315 --pointer->references; | |
| 316 #ifdef REF_CHECK | |
| 317 if (pointer->references < 0) | |
| 318 { | |
| 319 fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference
count\n"); | |
| 320 abort(); | |
| 321 } | |
| 322 else | |
| 323 #endif | |
| 324 if (pointer->references <= 0) | |
| 325 { | |
| 326 (void)sk_CRYPTO_dynlock_set(dyn_locks, i, NULL); | |
| 327 } | |
| 328 else | |
| 329 pointer = NULL; | |
| 330 } | |
| 331 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
| 332 | |
| 333 if (pointer) | |
| 334 { | |
| 335 dynlock_destroy_callback(pointer->data,__FILE__,__LINE__); | |
| 336 OPENSSL_free(pointer); | |
| 337 } | |
| 338 } | |
| 339 | |
| 340 struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i) | |
| 341 { | |
| 342 CRYPTO_dynlock *pointer = NULL; | |
| 343 if (i) | |
| 344 i = -i-1; | |
| 345 | |
| 346 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); | |
| 347 | |
| 348 if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks)) | |
| 349 pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); | |
| 350 if (pointer) | |
| 351 pointer->references++; | |
| 352 | |
| 353 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); | |
| 354 | |
| 355 if (pointer) | |
| 356 return pointer->data; | |
| 357 return NULL; | |
| 358 } | |
| 359 | |
| 360 struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void)) | |
| 361 (const char *file,int line) | |
| 362 { | |
| 363 return(dynlock_create_callback); | |
| 364 } | |
| 365 | |
| 366 void (*CRYPTO_get_dynlock_lock_callback(void))(int mode, | |
| 367 struct CRYPTO_dynlock_value *l, const char *file,int line) | |
| 368 { | |
| 369 return(dynlock_lock_callback); | |
| 370 } | |
| 371 | |
| 372 void (*CRYPTO_get_dynlock_destroy_callback(void)) | |
| 373 (struct CRYPTO_dynlock_value *l, const char *file,int line) | |
| 374 { | |
| 375 return(dynlock_destroy_callback); | |
| 376 } | |
| 377 | |
| 378 void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func) | |
| 379 (const char *file, int line)) | |
| 380 { | |
| 381 dynlock_create_callback=func; | |
| 382 } | |
| 383 | |
| 384 void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode, | |
| 385 struct CRYPTO_dynlock_value *l, const char *file, int line)) | |
| 386 { | |
| 387 dynlock_lock_callback=func; | |
| 388 } | |
| 389 | |
| 390 void CRYPTO_set_dynlock_destroy_callback(void (*func) | |
| 391 (struct CRYPTO_dynlock_value *l, const char *file, int line)) | |
| 392 { | |
| 393 dynlock_destroy_callback=func; | |
| 394 } | |
| 395 | |
| 396 | |
| 397 void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file, | |
| 398 int line) | |
| 399 { | |
| 400 return(locking_callback); | |
| 401 } | |
| 402 | |
| 403 int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type, | |
| 404 const char *file,int line) | |
| 405 { | |
| 406 return(add_lock_callback); | |
| 407 } | |
| 408 | |
| 409 void CRYPTO_set_locking_callback(void (*func)(int mode,int type, | |
| 410 const char *file,int line)) | |
| 411 { | |
| 412 /* Calling this here ensures initialisation before any threads | |
| 413 * are started. | |
| 414 */ | |
| 415 OPENSSL_init(); | |
| 416 locking_callback=func; | |
| 417 } | |
| 418 | |
| 419 void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type, | |
| 420 const char *file,int line)) | |
| 421 { | |
| 422 add_lock_callback=func; | |
| 423 } | |
| 424 | |
| 425 /* the memset() here and in set_pointer() seem overkill, but for the sake of | |
| 426 * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause two | |
| 427 * "equal" THREADID structs to not be memcmp()-identical. */ | |
| 428 void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val) | |
| 429 { | |
| 430 memset(id, 0, sizeof(*id)); | |
| 431 id->val = val; | |
| 432 } | |
| 433 | |
| 434 static const unsigned char hash_coeffs[] = { 3, 5, 7, 11, 13, 17, 19, 23 }; | |
| 435 void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr) | |
| 436 { | |
| 437 unsigned char *dest = (void *)&id->val; | |
| 438 unsigned int accum = 0; | |
| 439 unsigned char dnum = sizeof(id->val); | |
| 440 | |
| 441 memset(id, 0, sizeof(*id)); | |
| 442 id->ptr = ptr; | |
| 443 if (sizeof(id->val) >= sizeof(id->ptr)) | |
| 444 { | |
| 445 /* 'ptr' can be embedded in 'val' without loss of uniqueness */ | |
| 446 id->val = (unsigned long)id->ptr; | |
| 447 return; | |
| 448 } | |
| 449 /* hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a | |
| 450 * linear function over the bytes in 'ptr', the co-efficients of which | |
| 451 * are a sequence of low-primes (hash_coeffs is an 8-element cycle) - | |
| 452 * the starting prime for the sequence varies for each byte of 'val' | |
| 453 * (unique polynomials unless pointers are >64-bit). For added spice, | |
| 454 * the totals accumulate rather than restarting from zero, and the index | |
| 455 * of the 'val' byte is added each time (position dependence). If I was | |
| 456 * a black-belt, I'd scan big-endian pointers in reverse to give | |
| 457 * low-order bits more play, but this isn't crypto and I'd prefer nobody | |
| 458 * mistake it as such. Plus I'm lazy. */ | |
| 459 while (dnum--) | |
| 460 { | |
| 461 const unsigned char *src = (void *)&id->ptr; | |
| 462 unsigned char snum = sizeof(id->ptr); | |
| 463 while (snum--) | |
| 464 accum += *(src++) * hash_coeffs[(snum + dnum) & 7]; | |
| 465 accum += dnum; | |
| 466 *(dest++) = accum & 255; | |
| 467 } | |
| 468 } | |
| 469 | |
| 470 int CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *)) | |
| 471 { | |
| 472 if (threadid_callback) | |
| 473 return 0; | |
| 474 threadid_callback = func; | |
| 475 return 1; | |
| 476 } | |
| 477 | |
| 478 void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *) | |
| 479 { | |
| 480 return threadid_callback; | |
| 481 } | |
| 482 | |
| 483 void CRYPTO_THREADID_current(CRYPTO_THREADID *id) | |
| 484 { | |
| 485 if (threadid_callback) | |
| 486 { | |
| 487 threadid_callback(id); | |
| 488 return; | |
| 489 } | |
| 490 #ifndef OPENSSL_NO_DEPRECATED | |
| 491 /* If the deprecated callback was set, fall back to that */ | |
| 492 if (id_callback) | |
| 493 { | |
| 494 CRYPTO_THREADID_set_numeric(id, id_callback()); | |
| 495 return; | |
| 496 } | |
| 497 #endif | |
| 498 /* Else pick a backup */ | |
| 499 #ifdef OPENSSL_SYS_WIN16 | |
| 500 CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentTask()); | |
| 501 #elif defined(OPENSSL_SYS_WIN32) | |
| 502 CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId()); | |
| 503 #elif defined(OPENSSL_SYS_BEOS) | |
| 504 CRYPTO_THREADID_set_numeric(id, (unsigned long)find_thread(NULL)); | |
| 505 #else | |
| 506 /* For everything else, default to using the address of 'errno' */ | |
| 507 CRYPTO_THREADID_set_pointer(id, (void*)&errno); | |
| 508 #endif | |
| 509 } | |
| 510 | |
| 511 int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b) | |
| 512 { | |
| 513 return memcmp(a, b, sizeof(*a)); | |
| 514 } | |
| 515 | |
| 516 void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src) | |
| 517 { | |
| 518 memcpy(dest, src, sizeof(*src)); | |
| 519 } | |
| 520 | |
| 521 unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id) | |
| 522 { | |
| 523 return id->val; | |
| 524 } | |
| 525 | |
| 526 #ifndef OPENSSL_NO_DEPRECATED | |
| 527 unsigned long (*CRYPTO_get_id_callback(void))(void) | |
| 528 { | |
| 529 return(id_callback); | |
| 530 } | |
| 531 | |
| 532 void CRYPTO_set_id_callback(unsigned long (*func)(void)) | |
| 533 { | |
| 534 id_callback=func; | |
| 535 } | |
| 536 | |
| 537 unsigned long CRYPTO_thread_id(void) | |
| 538 { | |
| 539 unsigned long ret=0; | |
| 540 | |
| 541 if (id_callback == NULL) | |
| 542 { | |
| 543 #ifdef OPENSSL_SYS_WIN16 | |
| 544 ret=(unsigned long)GetCurrentTask(); | |
| 545 #elif defined(OPENSSL_SYS_WIN32) | |
| 546 ret=(unsigned long)GetCurrentThreadId(); | |
| 547 #elif defined(GETPID_IS_MEANINGLESS) | |
| 548 ret=1L; | |
| 549 #elif defined(OPENSSL_SYS_BEOS) | |
| 550 ret=(unsigned long)find_thread(NULL); | |
| 551 #else | |
| 552 ret=(unsigned long)getpid(); | |
| 553 #endif | |
| 554 } | |
| 555 else | |
| 556 ret=id_callback(); | |
| 557 return(ret); | |
| 558 } | |
| 559 #endif | |
| 560 | |
| 561 void CRYPTO_lock(int mode, int type, const char *file, int line) | |
| 562 { | |
| 563 #ifdef LOCK_DEBUG | |
| 564 { | |
| 565 CRYPTO_THREADID id; | |
| 566 char *rw_text,*operation_text; | |
| 567 | |
| 568 if (mode & CRYPTO_LOCK) | |
| 569 operation_text="lock "; | |
| 570 else if (mode & CRYPTO_UNLOCK) | |
| 571 operation_text="unlock"; | |
| 572 else | |
| 573 operation_text="ERROR "; | |
| 574 | |
| 575 if (mode & CRYPTO_READ) | |
| 576 rw_text="r"; | |
| 577 else if (mode & CRYPTO_WRITE) | |
| 578 rw_text="w"; | |
| 579 else | |
| 580 rw_text="ERROR"; | |
| 581 | |
| 582 CRYPTO_THREADID_current(&id); | |
| 583 fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n", | |
| 584 CRYPTO_THREADID_hash(&id), rw_text, operation_text, | |
| 585 CRYPTO_get_lock_name(type), file, line); | |
| 586 } | |
| 587 #endif | |
| 588 if (type < 0) | |
| 589 { | |
| 590 if (dynlock_lock_callback != NULL) | |
| 591 { | |
| 592 struct CRYPTO_dynlock_value *pointer | |
| 593 = CRYPTO_get_dynlock_value(type); | |
| 594 | |
| 595 OPENSSL_assert(pointer != NULL); | |
| 596 | |
| 597 dynlock_lock_callback(mode, pointer, file, line); | |
| 598 | |
| 599 CRYPTO_destroy_dynlockid(type); | |
| 600 } | |
| 601 } | |
| 602 else | |
| 603 if (locking_callback != NULL) | |
| 604 locking_callback(mode,type,file,line); | |
| 605 } | |
| 606 | |
| 607 int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, | |
| 608 int line) | |
| 609 { | |
| 610 int ret = 0; | |
| 611 | |
| 612 if (add_lock_callback != NULL) | |
| 613 { | |
| 614 #ifdef LOCK_DEBUG | |
| 615 int before= *pointer; | |
| 616 #endif | |
| 617 | |
| 618 ret=add_lock_callback(pointer,amount,type,file,line); | |
| 619 #ifdef LOCK_DEBUG | |
| 620 { | |
| 621 CRYPTO_THREADID id; | |
| 622 CRYPTO_THREADID_current(&id); | |
| 623 fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | |
| 624 CRYPTO_THREADID_hash(&id), before,amount,ret, | |
| 625 CRYPTO_get_lock_name(type), | |
| 626 file,line); | |
| 627 } | |
| 628 #endif | |
| 629 } | |
| 630 else | |
| 631 { | |
| 632 CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line); | |
| 633 | |
| 634 ret= *pointer+amount; | |
| 635 #ifdef LOCK_DEBUG | |
| 636 { | |
| 637 CRYPTO_THREADID id; | |
| 638 CRYPTO_THREADID_current(&id); | |
| 639 fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | |
| 640 CRYPTO_THREADID_hash(&id), | |
| 641 *pointer,amount,ret, | |
| 642 CRYPTO_get_lock_name(type), | |
| 643 file,line); | |
| 644 } | |
| 645 #endif | |
| 646 *pointer=ret; | |
| 647 CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line); | |
| 648 } | |
| 649 return(ret); | |
| 650 } | |
| 651 | |
| 652 const char *CRYPTO_get_lock_name(int type) | |
| 653 { | |
| 654 if (type < 0) | |
| 655 return("dynamic"); | |
| 656 else if (type < CRYPTO_NUM_LOCKS) | |
| 657 return(lock_names[type]); | |
| 658 else if (type-CRYPTO_NUM_LOCKS > sk_OPENSSL_STRING_num(app_locks)) | |
| 659 return("ERROR"); | |
| 660 else | |
| 661 return(sk_OPENSSL_STRING_value(app_locks,type-CRYPTO_NUM_LOCKS))
; | |
| 662 } | |
| 663 | |
| 664 #if __arm__ | |
| 665 static int global_arm_neon_enabled = 0; | |
| 666 | |
| 667 void CRYPTO_set_NEON_capable(int on) | |
| 668 { | |
| 669 global_arm_neon_enabled = on != 0; | |
| 670 } | |
| 671 | |
| 672 int CRYPTO_is_NEON_capable(void) | |
| 673 { | |
| 674 return global_arm_neon_enabled; | |
| 675 } | |
| 676 #endif | |
| 677 | |
| 678 #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ | |
| 679 defined(__INTEL__) || \ | |
| 680 defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined
(_M_X64) | |
| 681 | |
| 682 unsigned int OPENSSL_ia32cap_P[2]; | |
| 683 unsigned long *OPENSSL_ia32cap_loc(void) | |
| 684 { if (sizeof(long)==4) | |
| 685 /* | |
| 686 * If 32-bit application pulls address of OPENSSL_ia32cap_P[0] | |
| 687 * clear second element to maintain the illusion that vector | |
| 688 * is 32-bit. | |
| 689 */ | |
| 690 OPENSSL_ia32cap_P[1]=0; | |
| 691 return (unsigned long *)OPENSSL_ia32cap_P; | |
| 692 } | |
| 693 | |
| 694 #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY
) | |
| 695 #define OPENSSL_CPUID_SETUP | |
| 696 #if defined(_WIN32) | |
| 697 typedef unsigned __int64 IA32CAP; | |
| 698 #else | |
| 699 typedef unsigned long long IA32CAP; | |
| 700 #endif | |
| 701 void OPENSSL_cpuid_setup(void) | |
| 702 { static int trigger=0; | |
| 703 IA32CAP OPENSSL_ia32_cpuid(void); | |
| 704 IA32CAP vec; | |
| 705 char *env; | |
| 706 | |
| 707 if (trigger) return; | |
| 708 | |
| 709 trigger=1; | |
| 710 if ((env=getenv("OPENSSL_ia32cap"))) { | |
| 711 int off = (env[0]=='~')?1:0; | |
| 712 #if defined(_WIN32) | |
| 713 if (!sscanf(env+off,"%I64i",&vec)) vec = strtoul(env+off,NULL,0); | |
| 714 #else | |
| 715 if (!sscanf(env+off,"%lli",(long long *)&vec)) vec = strtoul(env+off,NUL
L,0); | |
| 716 #endif | |
| 717 if (off) vec = OPENSSL_ia32_cpuid()&~vec; | |
| 718 } | |
| 719 else | |
| 720 vec = OPENSSL_ia32_cpuid(); | |
| 721 | |
| 722 /* | |
| 723 * |(1<<10) sets a reserved bit to signal that variable | |
| 724 * was initialized already... This is to avoid interference | |
| 725 * with cpuid snippets in ELF .init segment. | |
| 726 */ | |
| 727 OPENSSL_ia32cap_P[0] = (unsigned int)vec|(1<<10); | |
| 728 OPENSSL_ia32cap_P[1] = (unsigned int)(vec>>32); | |
| 729 } | |
| 730 #endif | |
| 731 | |
| 732 #else | |
| 733 unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; } | |
| 734 #endif | |
| 735 int OPENSSL_NONPIC_relocated = 0; | |
| 736 #if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ) | |
| 737 void OPENSSL_cpuid_setup(void) {} | |
| 738 #endif | |
| 739 | |
| 740 #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL) | |
| 741 #ifdef __CYGWIN__ | |
| 742 /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ | |
| 743 #include <windows.h> | |
| 744 /* this has side-effect of _WIN32 getting defined, which otherwise | |
| 745 * is mutually exclusive with __CYGWIN__... */ | |
| 746 #endif | |
| 747 | |
| 748 /* All we really need to do is remove the 'error' state when a thread | |
| 749 * detaches */ | |
| 750 | |
| 751 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, | |
| 752 LPVOID lpvReserved) | |
| 753 { | |
| 754 switch(fdwReason) | |
| 755 { | |
| 756 case DLL_PROCESS_ATTACH: | |
| 757 OPENSSL_cpuid_setup(); | |
| 758 #if defined(_WIN32_WINNT) | |
| 759 { | |
| 760 IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *)hinstDLL; | |
| 761 IMAGE_NT_HEADERS *nt_headers; | |
| 762 | |
| 763 if (dos_header->e_magic==IMAGE_DOS_SIGNATURE) | |
| 764 { | |
| 765 nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header | |
| 766 + dos_header->e_lfanew); | |
| 767 if (nt_headers->Signature==IMAGE_NT_SIGNATURE && | |
| 768 hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.Ima
geBase)) | |
| 769 OPENSSL_NONPIC_relocated=1; | |
| 770 } | |
| 771 } | |
| 772 #endif | |
| 773 break; | |
| 774 case DLL_THREAD_ATTACH: | |
| 775 break; | |
| 776 case DLL_THREAD_DETACH: | |
| 777 break; | |
| 778 case DLL_PROCESS_DETACH: | |
| 779 break; | |
| 780 } | |
| 781 return(TRUE); | |
| 782 } | |
| 783 #endif | |
| 784 | |
| 785 #if defined(_WIN32) && !defined(__CYGWIN__) | |
| 786 #include <tchar.h> | |
| 787 #include <signal.h> | |
| 788 #ifdef __WATCOMC__ | |
| 789 #if defined(_UNICODE) || defined(__UNICODE__) | |
| 790 #define _vsntprintf _vsnwprintf | |
| 791 #else | |
| 792 #define _vsntprintf _vsnprintf | |
| 793 #endif | |
| 794 #endif | |
| 795 #ifdef _MSC_VER | |
| 796 #define alloca _alloca | |
| 797 #endif | |
| 798 | |
| 799 #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 | |
| 800 int OPENSSL_isservice(void) | |
| 801 { HWINSTA h; | |
| 802 DWORD len; | |
| 803 WCHAR *name; | |
| 804 static union { void *p; int (*f)(void); } _OPENSSL_isservice = { NULL }; | |
| 805 | |
| 806 if (_OPENSSL_isservice.p == NULL) { | |
| 807 HANDLE h = GetModuleHandle(NULL); | |
| 808 if (h != NULL) | |
| 809 _OPENSSL_isservice.p = GetProcAddress(h,"_OPENSSL_isservice"); | |
| 810 if (_OPENSSL_isservice.p == NULL) | |
| 811 _OPENSSL_isservice.p = (void *)-1; | |
| 812 } | |
| 813 | |
| 814 if (_OPENSSL_isservice.p != (void *)-1) | |
| 815 return (*_OPENSSL_isservice.f)(); | |
| 816 | |
| 817 (void)GetDesktopWindow(); /* return value is ignored */ | |
| 818 | |
| 819 h = GetProcessWindowStation(); | |
| 820 if (h==NULL) return -1; | |
| 821 | |
| 822 if (GetUserObjectInformationW (h,UOI_NAME,NULL,0,&len) || | |
| 823 GetLastError() != ERROR_INSUFFICIENT_BUFFER) | |
| 824 return -1; | |
| 825 | |
| 826 if (len>512) return -1; /* paranoia */ | |
| 827 len++,len&=~1; /* paranoia */ | |
| 828 name=(WCHAR *)alloca(len+sizeof(WCHAR)); | |
| 829 if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len)) | |
| 830 return -1; | |
| 831 | |
| 832 len++,len&=~1; /* paranoia */ | |
| 833 name[len/sizeof(WCHAR)]=L'\0'; /* paranoia */ | |
| 834 #if 1 | |
| 835 /* This doesn't cover "interactive" services [working with real | |
| 836 * WinSta0's] nor programs started non-interactively by Task | |
| 837 * Scheduler [those are working with SAWinSta]. */ | |
| 838 if (wcsstr(name,L"Service-0x")) return 1; | |
| 839 #else | |
| 840 /* This covers all non-interactive programs such as services. */ | |
| 841 if (!wcsstr(name,L"WinSta0")) return 1; | |
| 842 #endif | |
| 843 else return 0; | |
| 844 } | |
| 845 #else | |
| 846 int OPENSSL_isservice(void) { return 0; } | |
| 847 #endif | |
| 848 | |
| 849 void OPENSSL_showfatal (const char *fmta,...) | |
| 850 { va_list ap; | |
| 851 TCHAR buf[256]; | |
| 852 const TCHAR *fmt; | |
| 853 #ifdef STD_ERROR_HANDLE /* what a dirty trick! */ | |
| 854 HANDLE h; | |
| 855 | |
| 856 if ((h=GetStdHandle(STD_ERROR_HANDLE)) != NULL && | |
| 857 GetFileType(h)!=FILE_TYPE_UNKNOWN) | |
| 858 { /* must be console application */ | |
| 859 va_start (ap,fmta); | |
| 860 vfprintf (stderr,fmta,ap); | |
| 861 va_end (ap); | |
| 862 return; | |
| 863 } | |
| 864 #endif | |
| 865 | |
| 866 if (sizeof(TCHAR)==sizeof(char)) | |
| 867 fmt=(const TCHAR *)fmta; | |
| 868 else do | |
| 869 { int keepgoing; | |
| 870 size_t len_0=strlen(fmta)+1,i; | |
| 871 WCHAR *fmtw; | |
| 872 | |
| 873 fmtw = (WCHAR *)alloca(len_0*sizeof(WCHAR)); | |
| 874 if (fmtw == NULL) { fmt=(const TCHAR *)L"no stack?"; break; } | |
| 875 | |
| 876 #ifndef OPENSSL_NO_MULTIBYTE | |
| 877 if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0)) | |
| 878 #endif | |
| 879 for (i=0;i<len_0;i++) fmtw[i]=(WCHAR)fmta[i]; | |
| 880 | |
| 881 for (i=0;i<len_0;i++) | |
| 882 { if (fmtw[i]==L'%') do | |
| 883 { keepgoing=0; | |
| 884 switch (fmtw[i+1]) | |
| 885 { case L'0': case L'1': case L'2': case L'3': case L'4': | |
| 886 case L'5': case L'6': case L'7': case L'8': case L'9': | |
| 887 case L'.': case L'*': | |
| 888 case L'-': i++; keepgoing=1; break; | |
| 889 case L's': fmtw[i+1]=L'S'; break; | |
| 890 case L'S': fmtw[i+1]=L's'; break; | |
| 891 case L'c': fmtw[i+1]=L'C'; break; | |
| 892 case L'C': fmtw[i+1]=L'c'; break; | |
| 893 } | |
| 894 } while (keepgoing); | |
| 895 } | |
| 896 fmt = (const TCHAR *)fmtw; | |
| 897 } while (0); | |
| 898 | |
| 899 va_start (ap,fmta); | |
| 900 _vsntprintf (buf,sizeof(buf)/sizeof(TCHAR)-1,fmt,ap); | |
| 901 buf [sizeof(buf)/sizeof(TCHAR)-1] = _T('\0'); | |
| 902 va_end (ap); | |
| 903 | |
| 904 #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 | |
| 905 /* this -------------v--- guards NT-specific calls */ | |
| 906 if (GetVersion() < 0x80000000 && OPENSSL_isservice() > 0) | |
| 907 { HANDLE h = RegisterEventSource(0,_T("OPENSSL")); | |
| 908 const TCHAR *pmsg=buf; | |
| 909 ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0); | |
| 910 DeregisterEventSource(h); | |
| 911 } | |
| 912 else | |
| 913 #endif | |
| 914 MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP); | |
| 915 } | |
| 916 #else | |
| 917 void OPENSSL_showfatal (const char *fmta,...) | |
| 918 { va_list ap; | |
| 919 | |
| 920 va_start (ap,fmta); | |
| 921 vfprintf (stderr,fmta,ap); | |
| 922 va_end (ap); | |
| 923 } | |
| 924 int OPENSSL_isservice (void) { return 0; } | |
| 925 #endif | |
| 926 | |
| 927 void OpenSSLDie(const char *file,int line,const char *assertion) | |
| 928 { | |
| 929 OPENSSL_showfatal( | |
| 930 "%s(%d): OpenSSL internal error, assertion failed: %s\n", | |
| 931 file,line,assertion); | |
| 932 #if !defined(_WIN32) || defined(__CYGWIN__) | |
| 933 abort(); | |
| 934 #else | |
| 935 /* Win32 abort() customarily shows a dialog, but we just did that... */ | |
| 936 raise(SIGABRT); | |
| 937 _exit(3); | |
| 938 #endif | |
| 939 } | |
| 940 | |
| 941 void *OPENSSL_stderr(void) { return stderr; } | |
| 942 | |
| 943 int CRYPTO_memcmp(const void *in_a, const void *in_b, size_t len) | |
| 944 { | |
| 945 size_t i; | |
| 946 const unsigned char *a = in_a; | |
| 947 const unsigned char *b = in_b; | |
| 948 unsigned char x = 0; | |
| 949 | |
| 950 for (i = 0; i < len; i++) | |
| 951 x |= a[i] ^ b[i]; | |
| 952 | |
| 953 return x; | |
| 954 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master