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Diffstat (limited to 'src/lib/libcrypto/cryptlib.c')
| -rw-r--r-- | src/lib/libcrypto/cryptlib.c | 898 |
1 files changed, 898 insertions, 0 deletions
diff --git a/src/lib/libcrypto/cryptlib.c b/src/lib/libcrypto/cryptlib.c new file mode 100644 index 0000000000..24fe123e14 --- /dev/null +++ b/src/lib/libcrypto/cryptlib.c | |||
| @@ -0,0 +1,898 @@ | |||
| 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 | locking_callback=func; | ||
| 413 | } | ||
| 414 | |||
| 415 | void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type, | ||
| 416 | const char *file,int line)) | ||
| 417 | { | ||
| 418 | add_lock_callback=func; | ||
| 419 | } | ||
| 420 | |||
| 421 | /* the memset() here and in set_pointer() seem overkill, but for the sake of | ||
| 422 | * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause two | ||
| 423 | * "equal" THREADID structs to not be memcmp()-identical. */ | ||
| 424 | void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val) | ||
| 425 | { | ||
| 426 | memset(id, 0, sizeof(*id)); | ||
| 427 | id->val = val; | ||
| 428 | } | ||
| 429 | |||
| 430 | static const unsigned char hash_coeffs[] = { 3, 5, 7, 11, 13, 17, 19, 23 }; | ||
| 431 | void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr) | ||
| 432 | { | ||
| 433 | unsigned char *dest = (void *)&id->val; | ||
| 434 | unsigned int accum = 0; | ||
| 435 | unsigned char dnum = sizeof(id->val); | ||
| 436 | |||
| 437 | memset(id, 0, sizeof(*id)); | ||
| 438 | id->ptr = ptr; | ||
| 439 | if (sizeof(id->val) >= sizeof(id->ptr)) | ||
| 440 | { | ||
| 441 | /* 'ptr' can be embedded in 'val' without loss of uniqueness */ | ||
| 442 | id->val = (unsigned long)id->ptr; | ||
| 443 | return; | ||
| 444 | } | ||
| 445 | /* hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a | ||
| 446 | * linear function over the bytes in 'ptr', the co-efficients of which | ||
| 447 | * are a sequence of low-primes (hash_coeffs is an 8-element cycle) - | ||
| 448 | * the starting prime for the sequence varies for each byte of 'val' | ||
| 449 | * (unique polynomials unless pointers are >64-bit). For added spice, | ||
| 450 | * the totals accumulate rather than restarting from zero, and the index | ||
| 451 | * of the 'val' byte is added each time (position dependence). If I was | ||
| 452 | * a black-belt, I'd scan big-endian pointers in reverse to give | ||
| 453 | * low-order bits more play, but this isn't crypto and I'd prefer nobody | ||
| 454 | * mistake it as such. Plus I'm lazy. */ | ||
| 455 | while (dnum--) | ||
| 456 | { | ||
| 457 | const unsigned char *src = (void *)&id->ptr; | ||
| 458 | unsigned char snum = sizeof(id->ptr); | ||
| 459 | while (snum--) | ||
| 460 | accum += *(src++) * hash_coeffs[(snum + dnum) & 7]; | ||
| 461 | accum += dnum; | ||
| 462 | *(dest++) = accum & 255; | ||
| 463 | } | ||
| 464 | } | ||
| 465 | |||
| 466 | int CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *)) | ||
| 467 | { | ||
| 468 | if (threadid_callback) | ||
| 469 | return 0; | ||
| 470 | threadid_callback = func; | ||
| 471 | return 1; | ||
| 472 | } | ||
| 473 | |||
| 474 | void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *) | ||
| 475 | { | ||
| 476 | return threadid_callback; | ||
| 477 | } | ||
| 478 | |||
| 479 | void CRYPTO_THREADID_current(CRYPTO_THREADID *id) | ||
| 480 | { | ||
| 481 | if (threadid_callback) | ||
| 482 | { | ||
| 483 | threadid_callback(id); | ||
| 484 | return; | ||
| 485 | } | ||
| 486 | #ifndef OPENSSL_NO_DEPRECATED | ||
| 487 | /* If the deprecated callback was set, fall back to that */ | ||
| 488 | if (id_callback) | ||
| 489 | { | ||
| 490 | CRYPTO_THREADID_set_numeric(id, id_callback()); | ||
| 491 | return; | ||
| 492 | } | ||
| 493 | #endif | ||
| 494 | /* Else pick a backup */ | ||
| 495 | #ifdef OPENSSL_SYS_WIN16 | ||
| 496 | CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentTask()); | ||
| 497 | #elif defined(OPENSSL_SYS_WIN32) | ||
| 498 | CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId()); | ||
| 499 | #elif defined(OPENSSL_SYS_BEOS) | ||
| 500 | CRYPTO_THREADID_set_numeric(id, (unsigned long)find_thread(NULL)); | ||
| 501 | #else | ||
| 502 | /* For everything else, default to using the address of 'errno' */ | ||
| 503 | CRYPTO_THREADID_set_pointer(id, &errno); | ||
| 504 | #endif | ||
| 505 | } | ||
| 506 | |||
| 507 | int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b) | ||
| 508 | { | ||
| 509 | return memcmp(a, b, sizeof(*a)); | ||
| 510 | } | ||
| 511 | |||
| 512 | void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src) | ||
| 513 | { | ||
| 514 | memcpy(dest, src, sizeof(*src)); | ||
| 515 | } | ||
| 516 | |||
| 517 | unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id) | ||
| 518 | { | ||
| 519 | return id->val; | ||
| 520 | } | ||
| 521 | |||
| 522 | #ifndef OPENSSL_NO_DEPRECATED | ||
| 523 | unsigned long (*CRYPTO_get_id_callback(void))(void) | ||
| 524 | { | ||
| 525 | return(id_callback); | ||
| 526 | } | ||
| 527 | |||
| 528 | void CRYPTO_set_id_callback(unsigned long (*func)(void)) | ||
| 529 | { | ||
| 530 | id_callback=func; | ||
| 531 | } | ||
| 532 | |||
| 533 | unsigned long CRYPTO_thread_id(void) | ||
| 534 | { | ||
| 535 | unsigned long ret=0; | ||
| 536 | |||
| 537 | if (id_callback == NULL) | ||
| 538 | { | ||
| 539 | #ifdef OPENSSL_SYS_WIN16 | ||
| 540 | ret=(unsigned long)GetCurrentTask(); | ||
| 541 | #elif defined(OPENSSL_SYS_WIN32) | ||
| 542 | ret=(unsigned long)GetCurrentThreadId(); | ||
| 543 | #elif defined(GETPID_IS_MEANINGLESS) | ||
| 544 | ret=1L; | ||
| 545 | #elif defined(OPENSSL_SYS_BEOS) | ||
| 546 | ret=(unsigned long)find_thread(NULL); | ||
| 547 | #else | ||
| 548 | ret=(unsigned long)getpid(); | ||
| 549 | #endif | ||
| 550 | } | ||
| 551 | else | ||
| 552 | ret=id_callback(); | ||
| 553 | return(ret); | ||
| 554 | } | ||
| 555 | #endif | ||
| 556 | |||
| 557 | void CRYPTO_lock(int mode, int type, const char *file, int line) | ||
| 558 | { | ||
| 559 | #ifdef LOCK_DEBUG | ||
| 560 | { | ||
| 561 | CRYPTO_THREADID id; | ||
| 562 | char *rw_text,*operation_text; | ||
| 563 | |||
| 564 | if (mode & CRYPTO_LOCK) | ||
| 565 | operation_text="lock "; | ||
| 566 | else if (mode & CRYPTO_UNLOCK) | ||
| 567 | operation_text="unlock"; | ||
| 568 | else | ||
| 569 | operation_text="ERROR "; | ||
| 570 | |||
| 571 | if (mode & CRYPTO_READ) | ||
| 572 | rw_text="r"; | ||
| 573 | else if (mode & CRYPTO_WRITE) | ||
| 574 | rw_text="w"; | ||
| 575 | else | ||
| 576 | rw_text="ERROR"; | ||
| 577 | |||
| 578 | CRYPTO_THREADID_current(&id); | ||
| 579 | fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n", | ||
| 580 | CRYPTO_THREADID_hash(&id), rw_text, operation_text, | ||
| 581 | CRYPTO_get_lock_name(type), file, line); | ||
| 582 | } | ||
| 583 | #endif | ||
| 584 | if (type < 0) | ||
| 585 | { | ||
| 586 | if (dynlock_lock_callback != NULL) | ||
| 587 | { | ||
| 588 | struct CRYPTO_dynlock_value *pointer | ||
| 589 | = CRYPTO_get_dynlock_value(type); | ||
| 590 | |||
| 591 | OPENSSL_assert(pointer != NULL); | ||
| 592 | |||
| 593 | dynlock_lock_callback(mode, pointer, file, line); | ||
| 594 | |||
| 595 | CRYPTO_destroy_dynlockid(type); | ||
| 596 | } | ||
| 597 | } | ||
| 598 | else | ||
| 599 | if (locking_callback != NULL) | ||
| 600 | locking_callback(mode,type,file,line); | ||
| 601 | } | ||
| 602 | |||
| 603 | int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, | ||
| 604 | int line) | ||
| 605 | { | ||
| 606 | int ret = 0; | ||
| 607 | |||
| 608 | if (add_lock_callback != NULL) | ||
| 609 | { | ||
| 610 | #ifdef LOCK_DEBUG | ||
| 611 | int before= *pointer; | ||
| 612 | #endif | ||
| 613 | |||
| 614 | ret=add_lock_callback(pointer,amount,type,file,line); | ||
| 615 | #ifdef LOCK_DEBUG | ||
| 616 | { | ||
| 617 | CRYPTO_THREADID id; | ||
| 618 | CRYPTO_THREADID_current(&id); | ||
| 619 | fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | ||
| 620 | CRYPTO_THREADID_hash(&id), before,amount,ret, | ||
| 621 | CRYPTO_get_lock_name(type), | ||
| 622 | file,line); | ||
| 623 | } | ||
| 624 | #endif | ||
| 625 | } | ||
| 626 | else | ||
| 627 | { | ||
| 628 | CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line); | ||
| 629 | |||
| 630 | ret= *pointer+amount; | ||
| 631 | #ifdef LOCK_DEBUG | ||
| 632 | { | ||
| 633 | CRYPTO_THREADID id; | ||
| 634 | CRYPTO_THREADID_current(&id); | ||
| 635 | fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | ||
| 636 | CRYPTO_THREADID_hash(&id), | ||
| 637 | *pointer,amount,ret, | ||
| 638 | CRYPTO_get_lock_name(type), | ||
| 639 | file,line); | ||
| 640 | } | ||
| 641 | #endif | ||
| 642 | *pointer=ret; | ||
| 643 | CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line); | ||
| 644 | } | ||
| 645 | return(ret); | ||
| 646 | } | ||
| 647 | |||
| 648 | const char *CRYPTO_get_lock_name(int type) | ||
| 649 | { | ||
| 650 | if (type < 0) | ||
| 651 | return("dynamic"); | ||
| 652 | else if (type < CRYPTO_NUM_LOCKS) | ||
| 653 | return(lock_names[type]); | ||
| 654 | else if (type-CRYPTO_NUM_LOCKS > sk_OPENSSL_STRING_num(app_locks)) | ||
| 655 | return("ERROR"); | ||
| 656 | else | ||
| 657 | return(sk_OPENSSL_STRING_value(app_locks,type-CRYPTO_NUM_LOCKS)); | ||
| 658 | } | ||
| 659 | |||
| 660 | #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ | ||
| 661 | defined(__INTEL__) || \ | ||
| 662 | defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64) | ||
| 663 | |||
| 664 | unsigned long OPENSSL_ia32cap_P=0; | ||
| 665 | unsigned long *OPENSSL_ia32cap_loc(void) { return &OPENSSL_ia32cap_P; } | ||
| 666 | |||
| 667 | #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY) | ||
| 668 | #define OPENSSL_CPUID_SETUP | ||
| 669 | void OPENSSL_cpuid_setup(void) | ||
| 670 | { static int trigger=0; | ||
| 671 | unsigned long OPENSSL_ia32_cpuid(void); | ||
| 672 | char *env; | ||
| 673 | |||
| 674 | if (trigger) return; | ||
| 675 | |||
| 676 | trigger=1; | ||
| 677 | if ((env=getenv("OPENSSL_ia32cap"))) | ||
| 678 | OPENSSL_ia32cap_P = strtoul(env,NULL,0)|(1<<10); | ||
| 679 | else | ||
| 680 | OPENSSL_ia32cap_P = OPENSSL_ia32_cpuid()|(1<<10); | ||
| 681 | /* | ||
| 682 | * |(1<<10) sets a reserved bit to signal that variable | ||
| 683 | * was initialized already... This is to avoid interference | ||
| 684 | * with cpuid snippets in ELF .init segment. | ||
| 685 | */ | ||
| 686 | } | ||
| 687 | #endif | ||
| 688 | |||
| 689 | #else | ||
| 690 | unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; } | ||
| 691 | #endif | ||
| 692 | int OPENSSL_NONPIC_relocated = 0; | ||
| 693 | #if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ) | ||
| 694 | void OPENSSL_cpuid_setup(void) {} | ||
| 695 | #endif | ||
| 696 | |||
| 697 | #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL) | ||
| 698 | #ifdef __CYGWIN__ | ||
| 699 | /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ | ||
| 700 | #include <windows.h> | ||
| 701 | /* this has side-effect of _WIN32 getting defined, which otherwise | ||
| 702 | * is mutually exclusive with __CYGWIN__... */ | ||
| 703 | #endif | ||
| 704 | |||
| 705 | /* All we really need to do is remove the 'error' state when a thread | ||
| 706 | * detaches */ | ||
| 707 | |||
| 708 | BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, | ||
| 709 | LPVOID lpvReserved) | ||
| 710 | { | ||
| 711 | switch(fdwReason) | ||
| 712 | { | ||
| 713 | case DLL_PROCESS_ATTACH: | ||
| 714 | OPENSSL_cpuid_setup(); | ||
| 715 | #if defined(_WIN32_WINNT) | ||
| 716 | { | ||
| 717 | IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *)hinstDLL; | ||
| 718 | IMAGE_NT_HEADERS *nt_headers; | ||
| 719 | |||
| 720 | if (dos_header->e_magic==IMAGE_DOS_SIGNATURE) | ||
| 721 | { | ||
| 722 | nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header | ||
| 723 | + dos_header->e_lfanew); | ||
| 724 | if (nt_headers->Signature==IMAGE_NT_SIGNATURE && | ||
| 725 | hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase)) | ||
| 726 | OPENSSL_NONPIC_relocated=1; | ||
| 727 | } | ||
| 728 | } | ||
| 729 | #endif | ||
| 730 | break; | ||
| 731 | case DLL_THREAD_ATTACH: | ||
| 732 | break; | ||
| 733 | case DLL_THREAD_DETACH: | ||
| 734 | break; | ||
| 735 | case DLL_PROCESS_DETACH: | ||
| 736 | break; | ||
| 737 | } | ||
| 738 | return(TRUE); | ||
| 739 | } | ||
| 740 | #endif | ||
| 741 | |||
| 742 | #if defined(_WIN32) && !defined(__CYGWIN__) | ||
| 743 | #include <tchar.h> | ||
| 744 | #include <signal.h> | ||
| 745 | #ifdef __WATCOMC__ | ||
| 746 | #if defined(_UNICODE) || defined(__UNICODE__) | ||
| 747 | #define _vsntprintf _vsnwprintf | ||
| 748 | #else | ||
| 749 | #define _vsntprintf _vsnprintf | ||
| 750 | #endif | ||
| 751 | #endif | ||
| 752 | #ifdef _MSC_VER | ||
| 753 | #define alloca _alloca | ||
| 754 | #endif | ||
| 755 | |||
| 756 | #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 | ||
| 757 | int OPENSSL_isservice(void) | ||
| 758 | { HWINSTA h; | ||
| 759 | DWORD len; | ||
| 760 | WCHAR *name; | ||
| 761 | static union { void *p; int (*f)(void); } _OPENSSL_isservice = { NULL }; | ||
| 762 | |||
| 763 | if (_OPENSSL_isservice.p == NULL) { | ||
| 764 | HANDLE h = GetModuleHandle(NULL); | ||
| 765 | if (h != NULL) | ||
| 766 | _OPENSSL_isservice.p = GetProcAddress(h,"_OPENSSL_isservice"); | ||
| 767 | if (_OPENSSL_isservice.p == NULL) | ||
| 768 | _OPENSSL_isservice.p = (void *)-1; | ||
| 769 | } | ||
| 770 | |||
| 771 | if (_OPENSSL_isservice.p != (void *)-1) | ||
| 772 | return (*_OPENSSL_isservice.f)(); | ||
| 773 | |||
| 774 | (void)GetDesktopWindow(); /* return value is ignored */ | ||
| 775 | |||
| 776 | h = GetProcessWindowStation(); | ||
| 777 | if (h==NULL) return -1; | ||
| 778 | |||
| 779 | if (GetUserObjectInformationW (h,UOI_NAME,NULL,0,&len) || | ||
| 780 | GetLastError() != ERROR_INSUFFICIENT_BUFFER) | ||
| 781 | return -1; | ||
| 782 | |||
| 783 | if (len>512) return -1; /* paranoia */ | ||
| 784 | len++,len&=~1; /* paranoia */ | ||
| 785 | name=(WCHAR *)alloca(len+sizeof(WCHAR)); | ||
| 786 | if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len)) | ||
| 787 | return -1; | ||
| 788 | |||
| 789 | len++,len&=~1; /* paranoia */ | ||
| 790 | name[len/sizeof(WCHAR)]=L'\0'; /* paranoia */ | ||
| 791 | #if 1 | ||
| 792 | /* This doesn't cover "interactive" services [working with real | ||
| 793 | * WinSta0's] nor programs started non-interactively by Task | ||
| 794 | * Scheduler [those are working with SAWinSta]. */ | ||
| 795 | if (wcsstr(name,L"Service-0x")) return 1; | ||
| 796 | #else | ||
| 797 | /* This covers all non-interactive programs such as services. */ | ||
| 798 | if (!wcsstr(name,L"WinSta0")) return 1; | ||
| 799 | #endif | ||
| 800 | else return 0; | ||
| 801 | } | ||
| 802 | #else | ||
| 803 | int OPENSSL_isservice(void) { return 0; } | ||
| 804 | #endif | ||
| 805 | |||
| 806 | void OPENSSL_showfatal (const char *fmta,...) | ||
| 807 | { va_list ap; | ||
| 808 | TCHAR buf[256]; | ||
| 809 | const TCHAR *fmt; | ||
| 810 | #ifdef STD_ERROR_HANDLE /* what a dirty trick! */ | ||
| 811 | HANDLE h; | ||
| 812 | |||
| 813 | if ((h=GetStdHandle(STD_ERROR_HANDLE)) != NULL && | ||
| 814 | GetFileType(h)!=FILE_TYPE_UNKNOWN) | ||
| 815 | { /* must be console application */ | ||
| 816 | va_start (ap,fmta); | ||
| 817 | vfprintf (stderr,fmta,ap); | ||
| 818 | va_end (ap); | ||
| 819 | return; | ||
| 820 | } | ||
| 821 | #endif | ||
| 822 | |||
| 823 | if (sizeof(TCHAR)==sizeof(char)) | ||
| 824 | fmt=(const TCHAR *)fmta; | ||
| 825 | else do | ||
| 826 | { int keepgoing; | ||
| 827 | size_t len_0=strlen(fmta)+1,i; | ||
| 828 | WCHAR *fmtw; | ||
| 829 | |||
| 830 | fmtw = (WCHAR *)alloca(len_0*sizeof(WCHAR)); | ||
| 831 | if (fmtw == NULL) { fmt=(const TCHAR *)L"no stack?"; break; } | ||
| 832 | |||
| 833 | #ifndef OPENSSL_NO_MULTIBYTE | ||
| 834 | if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0)) | ||
| 835 | #endif | ||
| 836 | for (i=0;i<len_0;i++) fmtw[i]=(WCHAR)fmta[i]; | ||
| 837 | |||
| 838 | for (i=0;i<len_0;i++) | ||
| 839 | { if (fmtw[i]==L'%') do | ||
| 840 | { keepgoing=0; | ||
| 841 | switch (fmtw[i+1]) | ||
| 842 | { case L'0': case L'1': case L'2': case L'3': case L'4': | ||
| 843 | case L'5': case L'6': case L'7': case L'8': case L'9': | ||
| 844 | case L'.': case L'*': | ||
| 845 | case L'-': i++; keepgoing=1; break; | ||
| 846 | case L's': fmtw[i+1]=L'S'; break; | ||
| 847 | case L'S': fmtw[i+1]=L's'; break; | ||
| 848 | case L'c': fmtw[i+1]=L'C'; break; | ||
| 849 | case L'C': fmtw[i+1]=L'c'; break; | ||
| 850 | } | ||
| 851 | } while (keepgoing); | ||
| 852 | } | ||
| 853 | fmt = (const TCHAR *)fmtw; | ||
| 854 | } while (0); | ||
| 855 | |||
| 856 | va_start (ap,fmta); | ||
| 857 | _vsntprintf (buf,sizeof(buf)/sizeof(TCHAR)-1,fmt,ap); | ||
| 858 | buf [sizeof(buf)/sizeof(TCHAR)-1] = _T('\0'); | ||
| 859 | va_end (ap); | ||
| 860 | |||
| 861 | #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 | ||
| 862 | /* this -------------v--- guards NT-specific calls */ | ||
| 863 | if (GetVersion() < 0x80000000 && OPENSSL_isservice() > 0) | ||
| 864 | { HANDLE h = RegisterEventSource(0,_T("OPENSSL")); | ||
| 865 | const TCHAR *pmsg=buf; | ||
| 866 | ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0); | ||
| 867 | DeregisterEventSource(h); | ||
| 868 | } | ||
| 869 | else | ||
| 870 | #endif | ||
| 871 | MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP); | ||
| 872 | } | ||
| 873 | #else | ||
| 874 | void OPENSSL_showfatal (const char *fmta,...) | ||
| 875 | { va_list ap; | ||
| 876 | |||
| 877 | va_start (ap,fmta); | ||
| 878 | vfprintf (stderr,fmta,ap); | ||
| 879 | va_end (ap); | ||
| 880 | } | ||
| 881 | int OPENSSL_isservice (void) { return 0; } | ||
| 882 | #endif | ||
| 883 | |||
| 884 | void OpenSSLDie(const char *file,int line,const char *assertion) | ||
| 885 | { | ||
| 886 | OPENSSL_showfatal( | ||
| 887 | "%s(%d): OpenSSL internal error, assertion failed: %s\n", | ||
| 888 | file,line,assertion); | ||
| 889 | #if !defined(_WIN32) || defined(__CYGWIN__) | ||
| 890 | abort(); | ||
| 891 | #else | ||
| 892 | /* Win32 abort() customarily shows a dialog, but we just did that... */ | ||
| 893 | raise(SIGABRT); | ||
| 894 | _exit(3); | ||
| 895 | #endif | ||
| 896 | } | ||
| 897 | |||
| 898 | void *OPENSSL_stderr(void) { return stderr; } | ||
