155714Skris/* crypto/cryptlib.c */ 2160814Ssimon/* ==================================================================== 3238405Sjkim * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. 4160814Ssimon * 5160814Ssimon * Redistribution and use in source and binary forms, with or without 6160814Ssimon * modification, are permitted provided that the following conditions 7160814Ssimon * are met: 8160814Ssimon * 9160814Ssimon * 1. Redistributions of source code must retain the above copyright 10296341Sdelphij * notice, this list of conditions and the following disclaimer. 11160814Ssimon * 12160814Ssimon * 2. Redistributions in binary form must reproduce the above copyright 13160814Ssimon * notice, this list of conditions and the following disclaimer in 14160814Ssimon * the documentation and/or other materials provided with the 15160814Ssimon * distribution. 16160814Ssimon * 17160814Ssimon * 3. All advertising materials mentioning features or use of this 18160814Ssimon * software must display the following acknowledgment: 19160814Ssimon * "This product includes software developed by the OpenSSL Project 20160814Ssimon * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 21160814Ssimon * 22160814Ssimon * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 23160814Ssimon * endorse or promote products derived from this software without 24160814Ssimon * prior written permission. For written permission, please contact 25160814Ssimon * openssl-core@openssl.org. 26160814Ssimon * 27160814Ssimon * 5. Products derived from this software may not be called "OpenSSL" 28160814Ssimon * nor may "OpenSSL" appear in their names without prior written 29160814Ssimon * permission of the OpenSSL Project. 30160814Ssimon * 31160814Ssimon * 6. Redistributions of any form whatsoever must retain the following 32160814Ssimon * acknowledgment: 33160814Ssimon * "This product includes software developed by the OpenSSL Project 34160814Ssimon * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 35160814Ssimon * 36160814Ssimon * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 37160814Ssimon * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 38160814Ssimon * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 39160814Ssimon * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 40160814Ssimon * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 41160814Ssimon * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 42160814Ssimon * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 43160814Ssimon * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 44160814Ssimon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 45160814Ssimon * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 46160814Ssimon * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 47160814Ssimon * OF THE POSSIBILITY OF SUCH DAMAGE. 48160814Ssimon * ==================================================================== 49160814Ssimon * 50160814Ssimon * This product includes cryptographic software written by Eric Young 51160814Ssimon * (eay@cryptsoft.com). This product includes software written by Tim 52160814Ssimon * Hudson (tjh@cryptsoft.com). 53160814Ssimon * 54160814Ssimon */ 5555714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 5655714Skris * All rights reserved. 5755714Skris * 5855714Skris * This package is an SSL implementation written 5955714Skris * by Eric Young (eay@cryptsoft.com). 6055714Skris * The implementation was written so as to conform with Netscapes SSL. 61296341Sdelphij * 6255714Skris * This library is free for commercial and non-commercial use as long as 6355714Skris * the following conditions are aheared to. The following conditions 6455714Skris * apply to all code found in this distribution, be it the RC4, RSA, 6555714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 6655714Skris * included with this distribution is covered by the same copyright terms 6755714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 68296341Sdelphij * 6955714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 7055714Skris * the code are not to be removed. 7155714Skris * If this package is used in a product, Eric Young should be given attribution 7255714Skris * as the author of the parts of the library used. 7355714Skris * This can be in the form of a textual message at program startup or 7455714Skris * in documentation (online or textual) provided with the package. 75296341Sdelphij * 7655714Skris * Redistribution and use in source and binary forms, with or without 7755714Skris * modification, are permitted provided that the following conditions 7855714Skris * are met: 7955714Skris * 1. Redistributions of source code must retain the copyright 8055714Skris * notice, this list of conditions and the following disclaimer. 8155714Skris * 2. Redistributions in binary form must reproduce the above copyright 8255714Skris * notice, this list of conditions and the following disclaimer in the 8355714Skris * documentation and/or other materials provided with the distribution. 8455714Skris * 3. All advertising materials mentioning features or use of this software 8555714Skris * must display the following acknowledgement: 8655714Skris * "This product includes cryptographic software written by 8755714Skris * Eric Young (eay@cryptsoft.com)" 8855714Skris * The word 'cryptographic' can be left out if the rouines from the library 8955714Skris * being used are not cryptographic related :-). 90296341Sdelphij * 4. If you include any Windows specific code (or a derivative thereof) from 9155714Skris * the apps directory (application code) you must include an acknowledgement: 9255714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 93296341Sdelphij * 9455714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 9555714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 9655714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 9755714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 9855714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 9955714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 10055714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 10155714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 10255714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 10355714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 10455714Skris * SUCH DAMAGE. 105296341Sdelphij * 10655714Skris * The licence and distribution terms for any publically available version or 10755714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 10855714Skris * copied and put under another distribution licence 10955714Skris * [including the GNU Public Licence.] 11055714Skris */ 111160814Ssimon/* ==================================================================== 112160814Ssimon * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 113296341Sdelphij * ECDH support in OpenSSL originally developed by 114160814Ssimon * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 115160814Ssimon */ 11655714Skris 11755714Skris#include "cryptlib.h" 11868651Skris#include <openssl/safestack.h> 11955714Skris 120109998Smarkm#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) 121296341Sdelphijstatic double SSLeay_MSVC5_hack = 0.0; /* and for VC1.5 */ 12255714Skris#endif 12355714Skris 124238405SjkimDECLARE_STACK_OF(CRYPTO_dynlock) 125238405Sjkim 126238405Sjkim/* real #defines in crypto.h, keep these upto date */ 127296341Sdelphijstatic const char *const lock_names[CRYPTO_NUM_LOCKS] = { 128296341Sdelphij "<<ERROR>>", 129296341Sdelphij "err", 130296341Sdelphij "ex_data", 131296341Sdelphij "x509", 132296341Sdelphij "x509_info", 133296341Sdelphij "x509_pkey", 134296341Sdelphij "x509_crl", 135296341Sdelphij "x509_req", 136296341Sdelphij "dsa", 137296341Sdelphij "rsa", 138296341Sdelphij "evp_pkey", 139296341Sdelphij "x509_store", 140296341Sdelphij "ssl_ctx", 141296341Sdelphij "ssl_cert", 142296341Sdelphij "ssl_session", 143296341Sdelphij "ssl_sess_cert", 144296341Sdelphij "ssl", 145296341Sdelphij "ssl_method", 146296341Sdelphij "rand", 147296341Sdelphij "rand2", 148296341Sdelphij "debug_malloc", 149296341Sdelphij "BIO", 150296341Sdelphij "gethostbyname", 151296341Sdelphij "getservbyname", 152296341Sdelphij "readdir", 153296341Sdelphij "RSA_blinding", 154296341Sdelphij "dh", 155296341Sdelphij "debug_malloc2", 156296341Sdelphij "dso", 157296341Sdelphij "dynlock", 158296341Sdelphij "engine", 159296341Sdelphij "ui", 160296341Sdelphij "ecdsa", 161296341Sdelphij "ec", 162296341Sdelphij "ecdh", 163296341Sdelphij "bn", 164296341Sdelphij "ec_pre_comp", 165296341Sdelphij "store", 166296341Sdelphij "comp", 167296341Sdelphij "fips", 168296341Sdelphij "fips2", 169238405Sjkim#if CRYPTO_NUM_LOCKS != 41 170238405Sjkim# error "Inconsistency between crypto.h and cryptlib.c" 171238405Sjkim#endif 172296341Sdelphij}; 173238405Sjkim 174296341Sdelphij/* 175296341Sdelphij * This is for applications to allocate new type names in the non-dynamic 176296341Sdelphij * array of lock names. These are numbered with positive numbers. 177296341Sdelphij */ 178296341Sdelphijstatic STACK_OF(OPENSSL_STRING) *app_locks = NULL; 179238405Sjkim 180296341Sdelphij/* 181296341Sdelphij * For applications that want a more dynamic way of handling threads, the 182296341Sdelphij * following stack is used. These are externally numbered with negative 183296341Sdelphij * numbers. 184296341Sdelphij */ 185296341Sdelphijstatic STACK_OF(CRYPTO_dynlock) *dyn_locks = NULL; 186238405Sjkim 187296341Sdelphijstatic void (MS_FAR *locking_callback) (int mode, int type, 188296341Sdelphij const char *file, int line) = 0; 189296341Sdelphijstatic int (MS_FAR *add_lock_callback) (int *pointer, int amount, 190296341Sdelphij int type, const char *file, 191296341Sdelphij int line) = 0; 192238405Sjkim#ifndef OPENSSL_NO_DEPRECATED 193296341Sdelphijstatic unsigned long (MS_FAR *id_callback) (void) = 0; 194238405Sjkim#endif 195296341Sdelphijstatic void (MS_FAR *threadid_callback) (CRYPTO_THREADID *) = 0; 196238405Sjkimstatic struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback) 197296341Sdelphij (const char *file, int line) = 0; 198296341Sdelphijstatic void (MS_FAR *dynlock_lock_callback) (int mode, 199296341Sdelphij struct CRYPTO_dynlock_value *l, 200296341Sdelphij const char *file, int line) = 0; 201296341Sdelphijstatic void (MS_FAR *dynlock_destroy_callback) (struct CRYPTO_dynlock_value 202296341Sdelphij *l, const char *file, 203296341Sdelphij int line) = 0; 20468651Skris 205238405Sjkimint CRYPTO_get_new_lockid(char *name) 206296341Sdelphij{ 207296341Sdelphij char *str; 208296341Sdelphij int i; 209238405Sjkim 210238405Sjkim#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) 211296341Sdelphij /* 212296341Sdelphij * A hack to make Visual C++ 5.0 work correctly when linking as a DLL 213296341Sdelphij * using /MT. Without this, the application cannot use any floating point 214296341Sdelphij * printf's. It also seems to be needed for Visual C 1.5 (win16) 215296341Sdelphij */ 216296341Sdelphij SSLeay_MSVC5_hack = (double)name[0] * (double)name[1]; 217238405Sjkim#endif 218238405Sjkim 219296341Sdelphij if ((app_locks == NULL) 220296341Sdelphij && ((app_locks = sk_OPENSSL_STRING_new_null()) == NULL)) { 221296341Sdelphij CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID, ERR_R_MALLOC_FAILURE); 222296341Sdelphij return (0); 223296341Sdelphij } 224296341Sdelphij if ((str = BUF_strdup(name)) == NULL) { 225296341Sdelphij CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID, ERR_R_MALLOC_FAILURE); 226296341Sdelphij return (0); 227296341Sdelphij } 228296341Sdelphij i = sk_OPENSSL_STRING_push(app_locks, str); 229296341Sdelphij if (!i) 230296341Sdelphij OPENSSL_free(str); 231296341Sdelphij else 232296341Sdelphij i += CRYPTO_NUM_LOCKS; /* gap of one :-) */ 233296341Sdelphij return (i); 234296341Sdelphij} 235238405Sjkim 23655714Skrisint CRYPTO_num_locks(void) 237296341Sdelphij{ 238296341Sdelphij return CRYPTO_NUM_LOCKS; 239296341Sdelphij} 24055714Skris 241238405Sjkimint CRYPTO_get_new_dynlockid(void) 242296341Sdelphij{ 243296341Sdelphij int i = 0; 244296341Sdelphij CRYPTO_dynlock *pointer = NULL; 245238405Sjkim 246296341Sdelphij if (dynlock_create_callback == NULL) { 247296341Sdelphij CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, 248296341Sdelphij CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK); 249296341Sdelphij return (0); 250296341Sdelphij } 251296341Sdelphij CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); 252296341Sdelphij if ((dyn_locks == NULL) 253296341Sdelphij && ((dyn_locks = sk_CRYPTO_dynlock_new_null()) == NULL)) { 254296341Sdelphij CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); 255296341Sdelphij CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, ERR_R_MALLOC_FAILURE); 256296341Sdelphij return (0); 257296341Sdelphij } 258296341Sdelphij CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); 259238405Sjkim 260296341Sdelphij pointer = (CRYPTO_dynlock *) OPENSSL_malloc(sizeof(CRYPTO_dynlock)); 261296341Sdelphij if (pointer == NULL) { 262296341Sdelphij CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, ERR_R_MALLOC_FAILURE); 263296341Sdelphij return (0); 264296341Sdelphij } 265296341Sdelphij pointer->references = 1; 266296341Sdelphij pointer->data = dynlock_create_callback(__FILE__, __LINE__); 267296341Sdelphij if (pointer->data == NULL) { 268296341Sdelphij OPENSSL_free(pointer); 269296341Sdelphij CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, ERR_R_MALLOC_FAILURE); 270296341Sdelphij return (0); 271296341Sdelphij } 272238405Sjkim 273296341Sdelphij CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); 274296341Sdelphij /* First, try to find an existing empty slot */ 275296341Sdelphij i = sk_CRYPTO_dynlock_find(dyn_locks, NULL); 276296341Sdelphij /* If there was none, push, thereby creating a new one */ 277296341Sdelphij if (i == -1) 278296341Sdelphij /* 279296341Sdelphij * Since sk_push() returns the number of items on the stack, not the 280296341Sdelphij * location of the pushed item, we need to transform the returned 281296341Sdelphij * number into a position, by decreasing it. 282296341Sdelphij */ 283296341Sdelphij i = sk_CRYPTO_dynlock_push(dyn_locks, pointer) - 1; 284296341Sdelphij else 285296341Sdelphij /* 286296341Sdelphij * If we found a place with a NULL pointer, put our pointer in it. 287296341Sdelphij */ 288296341Sdelphij (void)sk_CRYPTO_dynlock_set(dyn_locks, i, pointer); 289296341Sdelphij CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); 290238405Sjkim 291296341Sdelphij if (i == -1) { 292296341Sdelphij dynlock_destroy_callback(pointer->data, __FILE__, __LINE__); 293296341Sdelphij OPENSSL_free(pointer); 294296341Sdelphij } else 295296341Sdelphij i += 1; /* to avoid 0 */ 296296341Sdelphij return -i; 297296341Sdelphij} 298238405Sjkim 299238405Sjkimvoid CRYPTO_destroy_dynlockid(int i) 300296341Sdelphij{ 301296341Sdelphij CRYPTO_dynlock *pointer = NULL; 302296341Sdelphij if (i) 303296341Sdelphij i = -i - 1; 304296341Sdelphij if (dynlock_destroy_callback == NULL) 305296341Sdelphij return; 306238405Sjkim 307296341Sdelphij CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); 308238405Sjkim 309296341Sdelphij if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks)) { 310296341Sdelphij CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); 311296341Sdelphij return; 312296341Sdelphij } 313296341Sdelphij pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); 314296341Sdelphij if (pointer != NULL) { 315296341Sdelphij --pointer->references; 316238405Sjkim#ifdef REF_CHECK 317296341Sdelphij if (pointer->references < 0) { 318296341Sdelphij fprintf(stderr, 319296341Sdelphij "CRYPTO_destroy_dynlockid, bad reference count\n"); 320296341Sdelphij abort(); 321296341Sdelphij } else 322238405Sjkim#endif 323296341Sdelphij if (pointer->references <= 0) { 324296341Sdelphij (void)sk_CRYPTO_dynlock_set(dyn_locks, i, NULL); 325296341Sdelphij } else 326296341Sdelphij pointer = NULL; 327296341Sdelphij } 328296341Sdelphij CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); 329238405Sjkim 330296341Sdelphij if (pointer) { 331296341Sdelphij dynlock_destroy_callback(pointer->data, __FILE__, __LINE__); 332296341Sdelphij OPENSSL_free(pointer); 333296341Sdelphij } 334296341Sdelphij} 335238405Sjkim 336238405Sjkimstruct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i) 337296341Sdelphij{ 338296341Sdelphij CRYPTO_dynlock *pointer = NULL; 339296341Sdelphij if (i) 340296341Sdelphij i = -i - 1; 341238405Sjkim 342296341Sdelphij CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); 343238405Sjkim 344296341Sdelphij if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks)) 345296341Sdelphij pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); 346296341Sdelphij if (pointer) 347296341Sdelphij pointer->references++; 348238405Sjkim 349296341Sdelphij CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); 350238405Sjkim 351296341Sdelphij if (pointer) 352296341Sdelphij return pointer->data; 353296341Sdelphij return NULL; 354296341Sdelphij} 355238405Sjkim 356238405Sjkimstruct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void)) 357296341Sdelphij (const char *file, int line) { 358296341Sdelphij return (dynlock_create_callback); 359296341Sdelphij} 360238405Sjkim 361296341Sdelphijvoid (*CRYPTO_get_dynlock_lock_callback(void)) (int mode, 362296341Sdelphij struct CRYPTO_dynlock_value 363296341Sdelphij *l, const char *file, 364296341Sdelphij int line) { 365296341Sdelphij return (dynlock_lock_callback); 366296341Sdelphij} 367238405Sjkim 368238405Sjkimvoid (*CRYPTO_get_dynlock_destroy_callback(void)) 369296341Sdelphij (struct CRYPTO_dynlock_value *l, const char *file, int line) { 370296341Sdelphij return (dynlock_destroy_callback); 371296341Sdelphij} 372238405Sjkim 373238405Sjkimvoid CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func) 374296341Sdelphij (const char *file, int line)) 375296341Sdelphij{ 376296341Sdelphij dynlock_create_callback = func; 377296341Sdelphij} 378238405Sjkim 379296341Sdelphijvoid CRYPTO_set_dynlock_lock_callback(void (*func) (int mode, 380296341Sdelphij struct 381296341Sdelphij CRYPTO_dynlock_value *l, 382296341Sdelphij const char *file, 383296341Sdelphij int line)) 384296341Sdelphij{ 385296341Sdelphij dynlock_lock_callback = func; 386296341Sdelphij} 387238405Sjkim 388238405Sjkimvoid CRYPTO_set_dynlock_destroy_callback(void (*func) 389296341Sdelphij (struct CRYPTO_dynlock_value *l, 390296341Sdelphij const char *file, int line)) 391296341Sdelphij{ 392296341Sdelphij dynlock_destroy_callback = func; 393296341Sdelphij} 394238405Sjkim 395296341Sdelphijvoid (*CRYPTO_get_locking_callback(void)) (int mode, int type, 396296341Sdelphij const char *file, int line) { 397296341Sdelphij return (locking_callback); 398296341Sdelphij} 399238405Sjkim 400296341Sdelphijint (*CRYPTO_get_add_lock_callback(void)) (int *num, int mount, int type, 401296341Sdelphij const char *file, int line) { 402296341Sdelphij return (add_lock_callback); 403296341Sdelphij} 40455714Skris 405296341Sdelphijvoid CRYPTO_set_locking_callback(void (*func) (int mode, int type, 406296341Sdelphij const char *file, int line)) 407296341Sdelphij{ 408296341Sdelphij /* 409296341Sdelphij * Calling this here ensures initialisation before any threads are 410296341Sdelphij * started. 411296341Sdelphij */ 412296341Sdelphij OPENSSL_init(); 413296341Sdelphij locking_callback = func; 414296341Sdelphij} 41555714Skris 416296341Sdelphijvoid CRYPTO_set_add_lock_callback(int (*func) (int *num, int mount, int type, 417296341Sdelphij const char *file, int line)) 418296341Sdelphij{ 419296341Sdelphij add_lock_callback = func; 420296341Sdelphij} 42155714Skris 422296341Sdelphij/* 423296341Sdelphij * the memset() here and in set_pointer() seem overkill, but for the sake of 424296341Sdelphij * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause 425296341Sdelphij * two "equal" THREADID structs to not be memcmp()-identical. 426296341Sdelphij */ 427238405Sjkimvoid CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val) 428296341Sdelphij{ 429296341Sdelphij memset(id, 0, sizeof(*id)); 430296341Sdelphij id->val = val; 431296341Sdelphij} 432238405Sjkim 433238405Sjkimstatic const unsigned char hash_coeffs[] = { 3, 5, 7, 11, 13, 17, 19, 23 }; 434296341Sdelphij 435238405Sjkimvoid CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr) 436296341Sdelphij{ 437296341Sdelphij unsigned char *dest = (void *)&id->val; 438296341Sdelphij unsigned int accum = 0; 439296341Sdelphij unsigned char dnum = sizeof(id->val); 440238405Sjkim 441296341Sdelphij memset(id, 0, sizeof(*id)); 442296341Sdelphij id->ptr = ptr; 443296341Sdelphij if (sizeof(id->val) >= sizeof(id->ptr)) { 444296341Sdelphij /* 445296341Sdelphij * 'ptr' can be embedded in 'val' without loss of uniqueness 446296341Sdelphij */ 447296341Sdelphij id->val = (unsigned long)id->ptr; 448296341Sdelphij return; 449296341Sdelphij } 450296341Sdelphij /* 451296341Sdelphij * hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a 452296341Sdelphij * linear function over the bytes in 'ptr', the co-efficients of which 453296341Sdelphij * are a sequence of low-primes (hash_coeffs is an 8-element cycle) - the 454296341Sdelphij * starting prime for the sequence varies for each byte of 'val' (unique 455296341Sdelphij * polynomials unless pointers are >64-bit). For added spice, the totals 456296341Sdelphij * accumulate rather than restarting from zero, and the index of the 457296341Sdelphij * 'val' byte is added each time (position dependence). If I was a 458296341Sdelphij * black-belt, I'd scan big-endian pointers in reverse to give low-order 459296341Sdelphij * bits more play, but this isn't crypto and I'd prefer nobody mistake it 460296341Sdelphij * as such. Plus I'm lazy. 461296341Sdelphij */ 462296341Sdelphij while (dnum--) { 463296341Sdelphij const unsigned char *src = (void *)&id->ptr; 464296341Sdelphij unsigned char snum = sizeof(id->ptr); 465296341Sdelphij while (snum--) 466296341Sdelphij accum += *(src++) * hash_coeffs[(snum + dnum) & 7]; 467296341Sdelphij accum += dnum; 468296341Sdelphij *(dest++) = accum & 255; 469296341Sdelphij } 470296341Sdelphij} 471238405Sjkim 472296341Sdelphijint CRYPTO_THREADID_set_callback(void (*func) (CRYPTO_THREADID *)) 473296341Sdelphij{ 474296341Sdelphij if (threadid_callback) 475296341Sdelphij return 0; 476296341Sdelphij threadid_callback = func; 477296341Sdelphij return 1; 478296341Sdelphij} 479238405Sjkim 480296341Sdelphijvoid (*CRYPTO_THREADID_get_callback(void)) (CRYPTO_THREADID *) { 481296341Sdelphij return threadid_callback; 482296341Sdelphij} 483238405Sjkim 484238405Sjkimvoid CRYPTO_THREADID_current(CRYPTO_THREADID *id) 485296341Sdelphij{ 486296341Sdelphij if (threadid_callback) { 487296341Sdelphij threadid_callback(id); 488296341Sdelphij return; 489296341Sdelphij } 490238405Sjkim#ifndef OPENSSL_NO_DEPRECATED 491296341Sdelphij /* If the deprecated callback was set, fall back to that */ 492296341Sdelphij if (id_callback) { 493296341Sdelphij CRYPTO_THREADID_set_numeric(id, id_callback()); 494296341Sdelphij return; 495296341Sdelphij } 496238405Sjkim#endif 497296341Sdelphij /* Else pick a backup */ 498238405Sjkim#ifdef OPENSSL_SYS_WIN16 499296341Sdelphij CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentTask()); 500238405Sjkim#elif defined(OPENSSL_SYS_WIN32) 501296341Sdelphij CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId()); 502238405Sjkim#elif defined(OPENSSL_SYS_BEOS) 503296341Sdelphij CRYPTO_THREADID_set_numeric(id, (unsigned long)find_thread(NULL)); 504238405Sjkim#else 505296341Sdelphij /* For everything else, default to using the address of 'errno' */ 506296341Sdelphij CRYPTO_THREADID_set_pointer(id, (void *)&errno); 507238405Sjkim#endif 508296341Sdelphij} 509238405Sjkim 510238405Sjkimint CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b) 511296341Sdelphij{ 512296341Sdelphij return memcmp(a, b, sizeof(*a)); 513296341Sdelphij} 514238405Sjkim 515238405Sjkimvoid CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src) 516296341Sdelphij{ 517296341Sdelphij memcpy(dest, src, sizeof(*src)); 518296341Sdelphij} 519238405Sjkim 520238405Sjkimunsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id) 521296341Sdelphij{ 522296341Sdelphij return id->val; 523296341Sdelphij} 524238405Sjkim 525238405Sjkim#ifndef OPENSSL_NO_DEPRECATED 526296341Sdelphijunsigned long (*CRYPTO_get_id_callback(void)) (void) { 527296341Sdelphij return (id_callback); 528296341Sdelphij} 52955714Skris 530296341Sdelphijvoid CRYPTO_set_id_callback(unsigned long (*func) (void)) 531296341Sdelphij{ 532296341Sdelphij id_callback = func; 533296341Sdelphij} 53455714Skris 53555714Skrisunsigned long CRYPTO_thread_id(void) 536296341Sdelphij{ 537296341Sdelphij unsigned long ret = 0; 53855714Skris 539296341Sdelphij if (id_callback == NULL) { 540296341Sdelphij# ifdef OPENSSL_SYS_WIN16 541296341Sdelphij ret = (unsigned long)GetCurrentTask(); 542296341Sdelphij# elif defined(OPENSSL_SYS_WIN32) 543296341Sdelphij ret = (unsigned long)GetCurrentThreadId(); 544296341Sdelphij# elif defined(GETPID_IS_MEANINGLESS) 545296341Sdelphij ret = 1L; 546296341Sdelphij# elif defined(OPENSSL_SYS_BEOS) 547296341Sdelphij ret = (unsigned long)find_thread(NULL); 548296341Sdelphij# else 549296341Sdelphij ret = (unsigned long)getpid(); 550296341Sdelphij# endif 551296341Sdelphij } else 552296341Sdelphij ret = id_callback(); 553296341Sdelphij return (ret); 554296341Sdelphij} 55555714Skris#endif 55655714Skris 55755714Skrisvoid CRYPTO_lock(int mode, int type, const char *file, int line) 558296341Sdelphij{ 55955714Skris#ifdef LOCK_DEBUG 560296341Sdelphij { 561296341Sdelphij CRYPTO_THREADID id; 562296341Sdelphij char *rw_text, *operation_text; 56355714Skris 564296341Sdelphij if (mode & CRYPTO_LOCK) 565296341Sdelphij operation_text = "lock "; 566296341Sdelphij else if (mode & CRYPTO_UNLOCK) 567296341Sdelphij operation_text = "unlock"; 568296341Sdelphij else 569296341Sdelphij operation_text = "ERROR "; 57055714Skris 571296341Sdelphij if (mode & CRYPTO_READ) 572296341Sdelphij rw_text = "r"; 573296341Sdelphij else if (mode & CRYPTO_WRITE) 574296341Sdelphij rw_text = "w"; 575296341Sdelphij else 576296341Sdelphij rw_text = "ERROR"; 57755714Skris 578296341Sdelphij CRYPTO_THREADID_current(&id); 579296341Sdelphij fprintf(stderr, "lock:%08lx:(%s)%s %-18s %s:%d\n", 580296341Sdelphij CRYPTO_THREADID_hash(&id), rw_text, operation_text, 581296341Sdelphij CRYPTO_get_lock_name(type), file, line); 582296341Sdelphij } 58355714Skris#endif 584296341Sdelphij if (type < 0) { 585296341Sdelphij if (dynlock_lock_callback != NULL) { 586296341Sdelphij struct CRYPTO_dynlock_value *pointer 587296341Sdelphij = CRYPTO_get_dynlock_value(type); 588238405Sjkim 589296341Sdelphij OPENSSL_assert(pointer != NULL); 590238405Sjkim 591296341Sdelphij dynlock_lock_callback(mode, pointer, file, line); 592238405Sjkim 593296341Sdelphij CRYPTO_destroy_dynlockid(type); 594296341Sdelphij } 595296341Sdelphij } else if (locking_callback != NULL) 596296341Sdelphij locking_callback(mode, type, file, line); 597296341Sdelphij} 59855714Skris 59955714Skrisint CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, 600296341Sdelphij int line) 601296341Sdelphij{ 602296341Sdelphij int ret = 0; 60355714Skris 604296341Sdelphij if (add_lock_callback != NULL) { 60555714Skris#ifdef LOCK_DEBUG 606296341Sdelphij int before = *pointer; 60755714Skris#endif 60855714Skris 609296341Sdelphij ret = add_lock_callback(pointer, amount, type, file, line); 61055714Skris#ifdef LOCK_DEBUG 611296341Sdelphij { 612296341Sdelphij CRYPTO_THREADID id; 613296341Sdelphij CRYPTO_THREADID_current(&id); 614296341Sdelphij fprintf(stderr, "ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", 615296341Sdelphij CRYPTO_THREADID_hash(&id), before, amount, ret, 616296341Sdelphij CRYPTO_get_lock_name(type), file, line); 617296341Sdelphij } 61855714Skris#endif 619296341Sdelphij } else { 620296341Sdelphij CRYPTO_lock(CRYPTO_LOCK | CRYPTO_WRITE, type, file, line); 62155714Skris 622296341Sdelphij ret = *pointer + amount; 62355714Skris#ifdef LOCK_DEBUG 624296341Sdelphij { 625296341Sdelphij CRYPTO_THREADID id; 626296341Sdelphij CRYPTO_THREADID_current(&id); 627296341Sdelphij fprintf(stderr, "ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", 628296341Sdelphij CRYPTO_THREADID_hash(&id), 629296341Sdelphij *pointer, amount, ret, 630296341Sdelphij CRYPTO_get_lock_name(type), file, line); 631296341Sdelphij } 63255714Skris#endif 633296341Sdelphij *pointer = ret; 634296341Sdelphij CRYPTO_lock(CRYPTO_UNLOCK | CRYPTO_WRITE, type, file, line); 635296341Sdelphij } 636296341Sdelphij return (ret); 637296341Sdelphij} 63855714Skris 639238405Sjkimconst char *CRYPTO_get_lock_name(int type) 640296341Sdelphij{ 641296341Sdelphij if (type < 0) 642296341Sdelphij return ("dynamic"); 643296341Sdelphij else if (type < CRYPTO_NUM_LOCKS) 644296341Sdelphij return (lock_names[type]); 645296341Sdelphij else if (type - CRYPTO_NUM_LOCKS > sk_OPENSSL_STRING_num(app_locks)) 646296341Sdelphij return ("ERROR"); 647296341Sdelphij else 648296341Sdelphij return (sk_OPENSSL_STRING_value(app_locks, type - CRYPTO_NUM_LOCKS)); 649296341Sdelphij} 650238405Sjkim 651296341Sdelphij#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ 652296341Sdelphij defined(__INTEL__) || \ 653296341Sdelphij defined(__x86_64) || defined(__x86_64__) || \ 654296341Sdelphij defined(_M_AMD64) || defined(_M_X64) 65555714Skris 656296341Sdelphijunsigned int OPENSSL_ia32cap_P[2]; 657238405Sjkimunsigned long *OPENSSL_ia32cap_loc(void) 658296341Sdelphij{ 659296341Sdelphij if (sizeof(long) == 4) 660296341Sdelphij /* 661296341Sdelphij * If 32-bit application pulls address of OPENSSL_ia32cap_P[0] 662296341Sdelphij * clear second element to maintain the illusion that vector 663296341Sdelphij * is 32-bit. 664296341Sdelphij */ 665296341Sdelphij OPENSSL_ia32cap_P[1] = 0; 666238405Sjkim return (unsigned long *)OPENSSL_ia32cap_P; 667238405Sjkim} 668160814Ssimon 669296341Sdelphij# if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY) 670296341Sdelphij# define OPENSSL_CPUID_SETUP 671296341Sdelphij# if defined(_WIN32) 672238405Sjkimtypedef unsigned __int64 IA32CAP; 673296341Sdelphij# else 674238405Sjkimtypedef unsigned long long IA32CAP; 675296341Sdelphij# endif 676160814Ssimonvoid OPENSSL_cpuid_setup(void) 677296341Sdelphij{ 678296341Sdelphij static int trigger = 0; 679296341Sdelphij IA32CAP OPENSSL_ia32_cpuid(void); 680296341Sdelphij IA32CAP vec; 681296341Sdelphij char *env; 682160814Ssimon 683296341Sdelphij if (trigger) 684296341Sdelphij return; 685160814Ssimon 686296341Sdelphij trigger = 1; 687296341Sdelphij if ((env = getenv("OPENSSL_ia32cap"))) { 688296341Sdelphij int off = (env[0] == '~') ? 1 : 0; 689296341Sdelphij# if defined(_WIN32) 690296341Sdelphij if (!sscanf(env + off, "%I64i", &vec)) 691296341Sdelphij vec = strtoul(env + off, NULL, 0); 692296341Sdelphij# else 693296341Sdelphij if (!sscanf(env + off, "%lli", (long long *)&vec)) 694296341Sdelphij vec = strtoul(env + off, NULL, 0); 695296341Sdelphij# endif 696296341Sdelphij if (off) 697296341Sdelphij vec = OPENSSL_ia32_cpuid() & ~vec; 698296341Sdelphij } else 699296341Sdelphij vec = OPENSSL_ia32_cpuid(); 700246772Sjkim 701160814Ssimon /* 702160814Ssimon * |(1<<10) sets a reserved bit to signal that variable 703160814Ssimon * was initialized already... This is to avoid interference 704160814Ssimon * with cpuid snippets in ELF .init segment. 705160814Ssimon */ 706296341Sdelphij OPENSSL_ia32cap_P[0] = (unsigned int)vec | (1 << 10); 707296341Sdelphij OPENSSL_ia32cap_P[1] = (unsigned int)(vec >> 32); 708160814Ssimon} 709296341Sdelphij# endif 710160814Ssimon 711160814Ssimon#else 712296341Sdelphijunsigned long *OPENSSL_ia32cap_loc(void) 713296341Sdelphij{ 714296341Sdelphij return NULL; 715296341Sdelphij} 716160814Ssimon#endif 717160814Ssimonint OPENSSL_NONPIC_relocated = 0; 718238405Sjkim#if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ) 719296341Sdelphijvoid OPENSSL_cpuid_setup(void) 720296341Sdelphij{ 721296341Sdelphij} 722160814Ssimon#endif 723160814Ssimon 724160814Ssimon#if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL) 725296341Sdelphij# ifdef __CYGWIN__ 726160814Ssimon/* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ 727296341Sdelphij# include <windows.h> 728296341Sdelphij/* 729296341Sdelphij * this has side-effect of _WIN32 getting defined, which otherwise is 730296341Sdelphij * mutually exclusive with __CYGWIN__... 731296341Sdelphij */ 732296341Sdelphij# endif 733160814Ssimon 734296341Sdelphij/* 735296341Sdelphij * All we really need to do is remove the 'error' state when a thread 736296341Sdelphij * detaches 737296341Sdelphij */ 73855714Skris 739296341SdelphijBOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) 740296341Sdelphij{ 741296341Sdelphij switch (fdwReason) { 742296341Sdelphij case DLL_PROCESS_ATTACH: 743296341Sdelphij OPENSSL_cpuid_setup(); 744296341Sdelphij# if defined(_WIN32_WINNT) 745296341Sdelphij { 746296341Sdelphij IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *) hinstDLL; 747296341Sdelphij IMAGE_NT_HEADERS *nt_headers; 748160814Ssimon 749296341Sdelphij if (dos_header->e_magic == IMAGE_DOS_SIGNATURE) { 750296341Sdelphij nt_headers = (IMAGE_NT_HEADERS *) ((char *)dos_header 751296341Sdelphij + dos_header->e_lfanew); 752296341Sdelphij if (nt_headers->Signature == IMAGE_NT_SIGNATURE && 753296341Sdelphij hinstDLL != 754296341Sdelphij (HINSTANCE) (nt_headers->OptionalHeader.ImageBase)) 755296341Sdelphij OPENSSL_NONPIC_relocated = 1; 756296341Sdelphij } 757296341Sdelphij } 758296341Sdelphij# endif 759296341Sdelphij break; 760296341Sdelphij case DLL_THREAD_ATTACH: 761296341Sdelphij break; 762296341Sdelphij case DLL_THREAD_DETACH: 763296341Sdelphij break; 764296341Sdelphij case DLL_PROCESS_DETACH: 765296341Sdelphij break; 766296341Sdelphij } 767296341Sdelphij return (TRUE); 768296341Sdelphij} 769160814Ssimon#endif 77055714Skris 771160814Ssimon#if defined(_WIN32) && !defined(__CYGWIN__) 772296341Sdelphij# include <tchar.h> 773296341Sdelphij# include <signal.h> 774296341Sdelphij# ifdef __WATCOMC__ 775296341Sdelphij# if defined(_UNICODE) || defined(__UNICODE__) 776296341Sdelphij# define _vsntprintf _vsnwprintf 777296341Sdelphij# else 778296341Sdelphij# define _vsntprintf _vsnprintf 779296341Sdelphij# endif 780296341Sdelphij# endif 781296341Sdelphij# ifdef _MSC_VER 782296341Sdelphij# define alloca _alloca 783296341Sdelphij# endif 784109998Smarkm 785296341Sdelphij# if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 786160814Ssimonint OPENSSL_isservice(void) 787296341Sdelphij{ 788296341Sdelphij HWINSTA h; 789296341Sdelphij DWORD len; 790296341Sdelphij WCHAR *name; 791296341Sdelphij static union { 792296341Sdelphij void *p; 793296341Sdelphij int (*f) (void); 794296341Sdelphij } _OPENSSL_isservice = { 795296341Sdelphij NULL 796296341Sdelphij }; 797142425Snectar 798238405Sjkim if (_OPENSSL_isservice.p == NULL) { 799296341Sdelphij HANDLE h = GetModuleHandle(NULL); 800296341Sdelphij if (h != NULL) 801296341Sdelphij _OPENSSL_isservice.p = GetProcAddress(h, "_OPENSSL_isservice"); 802296341Sdelphij if (_OPENSSL_isservice.p == NULL) 803296341Sdelphij _OPENSSL_isservice.p = (void *)-1; 804238405Sjkim } 805238405Sjkim 806238405Sjkim if (_OPENSSL_isservice.p != (void *)-1) 807296341Sdelphij return (*_OPENSSL_isservice.f) (); 808238405Sjkim 809160814Ssimon h = GetProcessWindowStation(); 810296341Sdelphij if (h == NULL) 811296341Sdelphij return -1; 812142425Snectar 813296341Sdelphij if (GetUserObjectInformationW(h, UOI_NAME, NULL, 0, &len) || 814296341Sdelphij GetLastError() != ERROR_INSUFFICIENT_BUFFER) 815296341Sdelphij return -1; 816142425Snectar 817296341Sdelphij if (len > 512) 818296341Sdelphij return -1; /* paranoia */ 819296341Sdelphij len++, len &= ~1; /* paranoia */ 820296341Sdelphij name = (WCHAR *)alloca(len + sizeof(WCHAR)); 821296341Sdelphij if (!GetUserObjectInformationW(h, UOI_NAME, name, len, &len)) 822296341Sdelphij return -1; 823142425Snectar 824296341Sdelphij len++, len &= ~1; /* paranoia */ 825296341Sdelphij name[len / sizeof(WCHAR)] = L'\0'; /* paranoia */ 826296341Sdelphij# if 1 827296341Sdelphij /* 828296341Sdelphij * This doesn't cover "interactive" services [working with real 829296341Sdelphij * WinSta0's] nor programs started non-interactively by Task Scheduler 830296341Sdelphij * [those are working with SAWinSta]. 831296341Sdelphij */ 832296341Sdelphij if (wcsstr(name, L"Service-0x")) 833296341Sdelphij return 1; 834296341Sdelphij# else 835160814Ssimon /* This covers all non-interactive programs such as services. */ 836296341Sdelphij if (!wcsstr(name, L"WinSta0")) 837296341Sdelphij return 1; 838296341Sdelphij# endif 839296341Sdelphij else 840296341Sdelphij return 0; 841160814Ssimon} 842296341Sdelphij# else 843296341Sdelphijint OPENSSL_isservice(void) 844296341Sdelphij{ 845296341Sdelphij return 0; 846296341Sdelphij} 847296341Sdelphij# endif 848142425Snectar 849296341Sdelphijvoid OPENSSL_showfatal(const char *fmta, ...) 850296341Sdelphij{ 851296341Sdelphij va_list ap; 852296341Sdelphij TCHAR buf[256]; 853296341Sdelphij const TCHAR *fmt; 854296341Sdelphij# ifdef STD_ERROR_HANDLE /* what a dirty trick! */ 855296341Sdelphij HANDLE h; 856142425Snectar 857296341Sdelphij if ((h = GetStdHandle(STD_ERROR_HANDLE)) != NULL && 858296341Sdelphij GetFileType(h) != FILE_TYPE_UNKNOWN) { 859296341Sdelphij /* must be console application */ 860296341Sdelphij va_start(ap, fmta); 861296341Sdelphij vfprintf(stderr, fmta, ap); 862296341Sdelphij va_end(ap); 863296341Sdelphij return; 864160814Ssimon } 865296341Sdelphij# endif 866142425Snectar 867296341Sdelphij if (sizeof(TCHAR) == sizeof(char)) 868296341Sdelphij fmt = (const TCHAR *)fmta; 869296341Sdelphij else 870296341Sdelphij do { 871296341Sdelphij int keepgoing; 872296341Sdelphij size_t len_0 = strlen(fmta) + 1, i; 873296341Sdelphij WCHAR *fmtw; 874142425Snectar 875296341Sdelphij fmtw = (WCHAR *)alloca(len_0 * sizeof(WCHAR)); 876296341Sdelphij if (fmtw == NULL) { 877296341Sdelphij fmt = (const TCHAR *)L"no stack?"; 878296341Sdelphij break; 879296341Sdelphij } 880296341Sdelphij# ifndef OPENSSL_NO_MULTIBYTE 881296341Sdelphij if (!MultiByteToWideChar(CP_ACP, 0, fmta, len_0, fmtw, len_0)) 882296341Sdelphij# endif 883296341Sdelphij for (i = 0; i < len_0; i++) 884296341Sdelphij fmtw[i] = (WCHAR)fmta[i]; 885142425Snectar 886296341Sdelphij for (i = 0; i < len_0; i++) { 887296341Sdelphij if (fmtw[i] == L'%') 888296341Sdelphij do { 889296341Sdelphij keepgoing = 0; 890296341Sdelphij switch (fmtw[i + 1]) { 891296341Sdelphij case L'0': 892296341Sdelphij case L'1': 893296341Sdelphij case L'2': 894296341Sdelphij case L'3': 895296341Sdelphij case L'4': 896296341Sdelphij case L'5': 897296341Sdelphij case L'6': 898296341Sdelphij case L'7': 899296341Sdelphij case L'8': 900296341Sdelphij case L'9': 901296341Sdelphij case L'.': 902296341Sdelphij case L'*': 903296341Sdelphij case L'-': 904296341Sdelphij i++; 905296341Sdelphij keepgoing = 1; 906296341Sdelphij break; 907296341Sdelphij case L's': 908296341Sdelphij fmtw[i + 1] = L'S'; 909296341Sdelphij break; 910296341Sdelphij case L'S': 911296341Sdelphij fmtw[i + 1] = L's'; 912296341Sdelphij break; 913296341Sdelphij case L'c': 914296341Sdelphij fmtw[i + 1] = L'C'; 915296341Sdelphij break; 916296341Sdelphij case L'C': 917296341Sdelphij fmtw[i + 1] = L'c'; 918296341Sdelphij break; 919296341Sdelphij } 920296341Sdelphij } while (keepgoing); 921296341Sdelphij } 922296341Sdelphij fmt = (const TCHAR *)fmtw; 923296341Sdelphij } while (0); 924142425Snectar 925296341Sdelphij va_start(ap, fmta); 926296341Sdelphij _vsntprintf(buf, sizeof(buf) / sizeof(TCHAR) - 1, fmt, ap); 927296341Sdelphij buf[sizeof(buf) / sizeof(TCHAR) - 1] = _T('\0'); 928296341Sdelphij va_end(ap); 929142425Snectar 930296341Sdelphij# if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 931160814Ssimon /* this -------------v--- guards NT-specific calls */ 932296341Sdelphij if (check_winnt() && OPENSSL_isservice() > 0) { 933296341Sdelphij HANDLE h = RegisterEventSource(0, _T("OPENSSL")); 934296341Sdelphij const TCHAR *pmsg = buf; 935296341Sdelphij ReportEvent(h, EVENTLOG_ERROR_TYPE, 0, 0, 0, 1, 0, &pmsg, 0); 936296341Sdelphij DeregisterEventSource(h); 937296341Sdelphij } else 938296341Sdelphij# endif 939296341Sdelphij MessageBox(NULL, buf, _T("OpenSSL: FATAL"), MB_OK | MB_ICONSTOP); 940160814Ssimon} 941160814Ssimon#else 942296341Sdelphijvoid OPENSSL_showfatal(const char *fmta, ...) 943296341Sdelphij{ 944296341Sdelphij va_list ap; 945142425Snectar 946296341Sdelphij va_start(ap, fmta); 947296341Sdelphij vfprintf(stderr, fmta, ap); 948296341Sdelphij va_end(ap); 949160814Ssimon} 950296341Sdelphij 951296341Sdelphijint OPENSSL_isservice(void) 952296341Sdelphij{ 953296341Sdelphij return 0; 954296341Sdelphij} 955160814Ssimon#endif 956142425Snectar 957296341Sdelphijvoid OpenSSLDie(const char *file, int line, const char *assertion) 958296341Sdelphij{ 959296341Sdelphij OPENSSL_showfatal 960296341Sdelphij ("%s(%d): OpenSSL internal error, assertion failed: %s\n", file, line, 961296341Sdelphij assertion); 962238405Sjkim#if !defined(_WIN32) || defined(__CYGWIN__) 963296341Sdelphij abort(); 964238405Sjkim#else 965296341Sdelphij /* 966296341Sdelphij * Win32 abort() customarily shows a dialog, but we just did that... 967296341Sdelphij */ 968296341Sdelphij raise(SIGABRT); 969296341Sdelphij _exit(3); 970238405Sjkim#endif 971296341Sdelphij} 972142425Snectar 973296341Sdelphijvoid *OPENSSL_stderr(void) 974296341Sdelphij{ 975296341Sdelphij return stderr; 976296341Sdelphij} 977246772Sjkim 978246772Sjkimint CRYPTO_memcmp(const void *in_a, const void *in_b, size_t len) 979296341Sdelphij{ 980296341Sdelphij size_t i; 981296341Sdelphij const unsigned char *a = in_a; 982296341Sdelphij const unsigned char *b = in_b; 983296341Sdelphij unsigned char x = 0; 984246772Sjkim 985296341Sdelphij for (i = 0; i < len; i++) 986296341Sdelphij x |= a[i] ^ b[i]; 987246772Sjkim 988296341Sdelphij return x; 989296341Sdelphij} 990