| /* crypto/cryptlib.c */ |
| /* ==================================================================== |
| * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * openssl-core@openssl.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| * All rights reserved. |
| * |
| * This package is an SSL implementation written |
| * by Eric Young (eay@cryptsoft.com). |
| * The implementation was written so as to conform with Netscapes SSL. |
| * |
| * This library is free for commercial and non-commercial use as long as |
| * the following conditions are aheared to. The following conditions |
| * apply to all code found in this distribution, be it the RC4, RSA, |
| * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| * included with this distribution is covered by the same copyright terms |
| * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| * |
| * Copyright remains Eric Young's, and as such any Copyright notices in |
| * the code are not to be removed. |
| * If this package is used in a product, Eric Young should be given attribution |
| * as the author of the parts of the library used. |
| * This can be in the form of a textual message at program startup or |
| * in documentation (online or textual) provided with the package. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] |
| */ |
| /* ==================================================================== |
| * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
| * ECDH support in OpenSSL originally developed by |
| * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
| */ |
| |
| #include "cryptlib.h" |
| #include <openssl/safestack.h> |
| |
| #if defined(__LB_SHELL__) |
| #include "lb_platform.h" |
| #endif |
| |
| #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) |
| static double SSLeay_MSVC5_hack = 0.0; /* and for VC1.5 */ |
| #endif |
| |
| DECLARE_STACK_OF(CRYPTO_dynlock) |
| |
| /* real #defines in crypto.h, keep these upto date */ |
| static const char *const lock_names[CRYPTO_NUM_LOCKS] = { |
| "<<ERROR>>", |
| "err", |
| "ex_data", |
| "x509", |
| "x509_info", |
| "x509_pkey", |
| "x509_crl", |
| "x509_req", |
| "dsa", |
| "rsa", |
| "evp_pkey", |
| "x509_store", |
| "ssl_ctx", |
| "ssl_cert", |
| "ssl_session", |
| "ssl_sess_cert", |
| "ssl", |
| "ssl_method", |
| "rand", |
| "rand2", |
| "debug_malloc", |
| "BIO", |
| "gethostbyname", |
| "getservbyname", |
| "readdir", |
| "RSA_blinding", |
| "dh", |
| "debug_malloc2", |
| "dso", |
| "dynlock", |
| "engine", |
| "ui", |
| "ecdsa", |
| "ec", |
| "ecdh", |
| "bn", |
| "ec_pre_comp", |
| "store", |
| "comp", |
| "fips", |
| "fips2", |
| #if CRYPTO_NUM_LOCKS != 41 |
| # error "Inconsistency between crypto.h and cryptlib.c" |
| #endif |
| }; |
| |
| /* |
| * This is for applications to allocate new type names in the non-dynamic |
| * array of lock names. These are numbered with positive numbers. |
| */ |
| static STACK_OF(OPENSSL_STRING) *app_locks = NULL; |
| |
| /* |
| * For applications that want a more dynamic way of handling threads, the |
| * following stack is used. These are externally numbered with negative |
| * numbers. |
| */ |
| static STACK_OF(CRYPTO_dynlock) *dyn_locks = NULL; |
| |
| static void (MS_FAR *locking_callback) (int mode, int type, |
| const char *file, int line) = 0; |
| static int (MS_FAR *add_lock_callback) (int *pointer, int amount, |
| int type, const char *file, |
| int line) = 0; |
| #ifndef OPENSSL_NO_DEPRECATED |
| static unsigned long (MS_FAR *id_callback) (void) = 0; |
| #endif |
| static void (MS_FAR *threadid_callback) (CRYPTO_THREADID *) = 0; |
| static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback) |
| (const char *file, int line) = 0; |
| static void (MS_FAR *dynlock_lock_callback) (int mode, |
| struct CRYPTO_dynlock_value *l, |
| const char *file, int line) = 0; |
| static void (MS_FAR *dynlock_destroy_callback) (struct CRYPTO_dynlock_value |
| *l, const char *file, |
| int line) = 0; |
| |
| int CRYPTO_get_new_lockid(char *name) |
| { |
| char *str; |
| int i; |
| |
| #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) |
| /* |
| * A hack to make Visual C++ 5.0 work correctly when linking as a DLL |
| * using /MT. Without this, the application cannot use any floating point |
| * printf's. It also seems to be needed for Visual C 1.5 (win16) |
| */ |
| SSLeay_MSVC5_hack = (double)name[0] * (double)name[1]; |
| #endif |
| |
| if ((app_locks == NULL) |
| && ((app_locks = sk_OPENSSL_STRING_new_null()) == NULL)) { |
| CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID, ERR_R_MALLOC_FAILURE); |
| return (0); |
| } |
| if ((str = BUF_strdup(name)) == NULL) { |
| CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID, ERR_R_MALLOC_FAILURE); |
| return (0); |
| } |
| i = sk_OPENSSL_STRING_push(app_locks, str); |
| if (!i) |
| OPENSSL_free(str); |
| else |
| i += CRYPTO_NUM_LOCKS; /* gap of one :-) */ |
| return (i); |
| } |
| |
| int CRYPTO_num_locks(void) |
| { |
| return CRYPTO_NUM_LOCKS; |
| } |
| |
| int CRYPTO_get_new_dynlockid(void) |
| { |
| int i = 0; |
| CRYPTO_dynlock *pointer = NULL; |
| |
| if (dynlock_create_callback == NULL) { |
| CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, |
| CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK); |
| return (0); |
| } |
| CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); |
| if ((dyn_locks == NULL) |
| && ((dyn_locks = sk_CRYPTO_dynlock_new_null()) == NULL)) { |
| CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
| CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, ERR_R_MALLOC_FAILURE); |
| return (0); |
| } |
| CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
| |
| pointer = (CRYPTO_dynlock *) OPENSSL_malloc(sizeof(CRYPTO_dynlock)); |
| if (pointer == NULL) { |
| CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, ERR_R_MALLOC_FAILURE); |
| return (0); |
| } |
| pointer->references = 1; |
| pointer->data = dynlock_create_callback(__FILE__, __LINE__); |
| if (pointer->data == NULL) { |
| OPENSSL_free(pointer); |
| CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID, ERR_R_MALLOC_FAILURE); |
| return (0); |
| } |
| |
| CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); |
| /* First, try to find an existing empty slot */ |
| i = sk_CRYPTO_dynlock_find(dyn_locks, NULL); |
| /* If there was none, push, thereby creating a new one */ |
| if (i == -1) |
| /* |
| * Since sk_push() returns the number of items on the stack, not the |
| * location of the pushed item, we need to transform the returned |
| * number into a position, by decreasing it. |
| */ |
| i = sk_CRYPTO_dynlock_push(dyn_locks, pointer) - 1; |
| else |
| /* |
| * If we found a place with a NULL pointer, put our pointer in it. |
| */ |
| (void)sk_CRYPTO_dynlock_set(dyn_locks, i, pointer); |
| CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
| |
| if (i == -1) { |
| dynlock_destroy_callback(pointer->data, __FILE__, __LINE__); |
| OPENSSL_free(pointer); |
| } else |
| i += 1; /* to avoid 0 */ |
| return -i; |
| } |
| |
| void CRYPTO_destroy_dynlockid(int i) |
| { |
| CRYPTO_dynlock *pointer = NULL; |
| if (i) |
| i = -i - 1; |
| if (dynlock_destroy_callback == NULL) |
| return; |
| |
| CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); |
| |
| if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks)) { |
| CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
| return; |
| } |
| pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); |
| if (pointer != NULL) { |
| --pointer->references; |
| #ifdef REF_CHECK |
| if (pointer->references < 0) { |
| OPENSSL_port_printferr( |
| "CRYPTO_destroy_dynlockid, bad reference count\n"); |
| OPENSSL_port_abort(); |
| } else |
| #endif |
| if (pointer->references <= 0) { |
| (void)sk_CRYPTO_dynlock_set(dyn_locks, i, NULL); |
| } else |
| pointer = NULL; |
| } |
| CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
| |
| if (pointer) { |
| dynlock_destroy_callback(pointer->data, __FILE__, __LINE__); |
| OPENSSL_free(pointer); |
| } |
| } |
| |
| struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i) |
| { |
| CRYPTO_dynlock *pointer = NULL; |
| if (i) |
| i = -i - 1; |
| |
| CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); |
| |
| if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks)) |
| pointer = sk_CRYPTO_dynlock_value(dyn_locks, i); |
| if (pointer) |
| pointer->references++; |
| |
| CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); |
| |
| if (pointer) |
| return pointer->data; |
| return NULL; |
| } |
| |
| struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void)) |
| (const char *file, int line) { |
| return (dynlock_create_callback); |
| } |
| |
| void (*CRYPTO_get_dynlock_lock_callback(void)) (int mode, |
| struct CRYPTO_dynlock_value |
| *l, const char *file, |
| int line) { |
| return (dynlock_lock_callback); |
| } |
| |
| void (*CRYPTO_get_dynlock_destroy_callback(void)) |
| (struct CRYPTO_dynlock_value *l, const char *file, int line) { |
| return (dynlock_destroy_callback); |
| } |
| |
| void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func) |
| (const char *file, int line)) |
| { |
| dynlock_create_callback = func; |
| } |
| |
| void CRYPTO_set_dynlock_lock_callback(void (*func) (int mode, |
| struct |
| CRYPTO_dynlock_value *l, |
| const char *file, |
| int line)) |
| { |
| dynlock_lock_callback = func; |
| } |
| |
| void CRYPTO_set_dynlock_destroy_callback(void (*func) |
| (struct CRYPTO_dynlock_value *l, |
| const char *file, int line)) |
| { |
| dynlock_destroy_callback = func; |
| } |
| |
| void (*CRYPTO_get_locking_callback(void)) (int mode, int type, |
| const char *file, int line) { |
| return (locking_callback); |
| } |
| |
| int (*CRYPTO_get_add_lock_callback(void)) (int *num, int mount, int type, |
| const char *file, int line) { |
| return (add_lock_callback); |
| } |
| |
| void CRYPTO_set_locking_callback(void (*func) (int mode, int type, |
| const char *file, int line)) |
| { |
| /* |
| * Calling this here ensures initialisation before any threads are |
| * started. |
| */ |
| OPENSSL_init(); |
| locking_callback = func; |
| } |
| |
| void CRYPTO_set_add_lock_callback(int (*func) (int *num, int mount, int type, |
| const char *file, int line)) |
| { |
| add_lock_callback = func; |
| } |
| |
| /* |
| * the OPENSSL_port_memset() here and in set_pointer() seem overkill, but for the sake of |
| * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause |
| * two "equal" THREADID structs to not be OPENSSL_port_memcmp()-identical. |
| */ |
| void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val) |
| { |
| OPENSSL_port_memset(id, 0, sizeof(*id)); |
| id->val = val; |
| } |
| |
| static const unsigned char hash_coeffs[] = { 3, 5, 7, 11, 13, 17, 19, 23 }; |
| |
| void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr) |
| { |
| unsigned char *dest = (void *)&id->val; |
| unsigned int accum = 0; |
| unsigned char dnum = sizeof(id->val); |
| |
| OPENSSL_port_memset(id, 0, sizeof(*id)); |
| id->ptr = ptr; |
| if (sizeof(id->val) >= sizeof(id->ptr)) { |
| /* |
| * 'ptr' can be embedded in 'val' without loss of uniqueness |
| */ |
| id->val = (unsigned long)id->ptr; |
| return; |
| } |
| /* |
| * hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a |
| * linear function over the bytes in 'ptr', the co-efficients of which |
| * are a sequence of low-primes (hash_coeffs is an 8-element cycle) - the |
| * starting prime for the sequence varies for each byte of 'val' (unique |
| * polynomials unless pointers are >64-bit). For added spice, the totals |
| * accumulate rather than restarting from zero, and the index of the |
| * 'val' byte is added each time (position dependence). If I was a |
| * black-belt, I'd scan big-endian pointers in reverse to give low-order |
| * bits more play, but this isn't crypto and I'd prefer nobody mistake it |
| * as such. Plus I'm lazy. |
| */ |
| while (dnum--) { |
| const unsigned char *src = (void *)&id->ptr; |
| unsigned char snum = sizeof(id->ptr); |
| while (snum--) |
| accum += *(src++) * hash_coeffs[(snum + dnum) & 7]; |
| accum += dnum; |
| *(dest++) = accum & 255; |
| } |
| } |
| |
| int CRYPTO_THREADID_set_callback(void (*func) (CRYPTO_THREADID *)) |
| { |
| if (threadid_callback) |
| return 0; |
| threadid_callback = func; |
| return 1; |
| } |
| |
| void (*CRYPTO_THREADID_get_callback(void)) (CRYPTO_THREADID *) { |
| return threadid_callback; |
| } |
| |
| void CRYPTO_THREADID_current(CRYPTO_THREADID *id) |
| { |
| if (threadid_callback) { |
| threadid_callback(id); |
| return; |
| } |
| #ifndef OPENSSL_NO_DEPRECATED |
| /* If the deprecated callback was set, fall back to that */ |
| if (id_callback) { |
| CRYPTO_THREADID_set_numeric(id, id_callback()); |
| return; |
| } |
| #endif |
| /* Else pick a backup */ |
| #ifdef OPENSSL_SYS_WIN16 |
| CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentTask()); |
| #elif defined(OPENSSL_SYS_WIN32) |
| CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId()); |
| #elif defined(OPENSSL_SYS_BEOS) |
| CRYPTO_THREADID_set_numeric(id, (unsigned long)find_thread(NULL)); |
| #elif defined(OPENSSL_SYS_STARBOARD) |
| CRYPTO_THREADID_set_numeric(id, (unsigned long)SbThreadGetId()); |
| #else |
| /* For everything else, default to using the address of 'OPENSSL_port_errno' */ |
| CRYPTO_THREADID_set_pointer(id, (void *)&OPENSSL_port_errno); |
| #endif |
| } |
| |
| int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b) |
| { |
| return OPENSSL_port_memcmp(a, b, sizeof(*a)); |
| } |
| |
| void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src) |
| { |
| OPENSSL_port_memcpy(dest, src, sizeof(*src)); |
| } |
| |
| unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id) |
| { |
| return id->val; |
| } |
| |
| #ifndef OPENSSL_NO_DEPRECATED |
| unsigned long (*CRYPTO_get_id_callback(void)) (void) { |
| return (id_callback); |
| } |
| |
| void CRYPTO_set_id_callback(unsigned long (*func) (void)) |
| { |
| id_callback = func; |
| } |
| |
| unsigned long CRYPTO_thread_id(void) |
| { |
| unsigned long ret = 0; |
| |
| if (id_callback == NULL) { |
| # ifdef OPENSSL_SYS_WIN16 |
| ret = (unsigned long)GetCurrentTask(); |
| # elif defined(OPENSSL_SYS_WIN32) |
| ret = (unsigned long)GetCurrentThreadId(); |
| # elif defined(GETPID_IS_MEANINGLESS) |
| ret = 1L; |
| # elif defined(OPENSSL_SYS_BEOS) |
| ret = (unsigned long)find_thread(NULL); |
| # else |
| ret = (unsigned long)getpid(); |
| # endif |
| } else |
| ret = id_callback(); |
| return (ret); |
| } |
| #endif |
| |
| void CRYPTO_lock(int mode, int type, const char *file, int line) |
| { |
| #ifdef LOCK_DEBUG |
| { |
| CRYPTO_THREADID id; |
| char *rw_text, *operation_text; |
| |
| if (mode & CRYPTO_LOCK) |
| operation_text = "lock "; |
| else if (mode & CRYPTO_UNLOCK) |
| operation_text = "unlock"; |
| else |
| operation_text = "ERROR "; |
| |
| if (mode & CRYPTO_READ) |
| rw_text = "r"; |
| else if (mode & CRYPTO_WRITE) |
| rw_text = "w"; |
| else |
| rw_text = "ERROR"; |
| |
| CRYPTO_THREADID_current(&id); |
| OPENSSL_port_printferr("lock:%08lx:(%s)%s %-18s %s:%d\n", |
| CRYPTO_THREADID_hash(&id), rw_text, operation_text, |
| CRYPTO_get_lock_name(type), file, line); |
| } |
| #endif |
| if (type < 0) { |
| if (dynlock_lock_callback != NULL) { |
| struct CRYPTO_dynlock_value *pointer |
| = CRYPTO_get_dynlock_value(type); |
| |
| OPENSSL_assert(pointer != NULL); |
| |
| dynlock_lock_callback(mode, pointer, file, line); |
| |
| CRYPTO_destroy_dynlockid(type); |
| } |
| } else if (locking_callback != NULL) |
| locking_callback(mode, type, file, line); |
| } |
| |
| int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, |
| int line) |
| { |
| int ret = 0; |
| |
| if (add_lock_callback != NULL) { |
| #ifdef LOCK_DEBUG |
| int before = *pointer; |
| #endif |
| |
| ret = add_lock_callback(pointer, amount, type, file, line); |
| #ifdef LOCK_DEBUG |
| { |
| CRYPTO_THREADID id; |
| CRYPTO_THREADID_current(&id); |
| OPENSSL_port_printferr("ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", |
| CRYPTO_THREADID_hash(&id), before, amount, ret, |
| CRYPTO_get_lock_name(type), file, line); |
| } |
| #endif |
| } else { |
| CRYPTO_lock(CRYPTO_LOCK | CRYPTO_WRITE, type, file, line); |
| |
| ret = *pointer + amount; |
| #ifdef LOCK_DEBUG |
| { |
| CRYPTO_THREADID id; |
| CRYPTO_THREADID_current(&id); |
| OPENSSL_port_printferr("ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", |
| CRYPTO_THREADID_hash(&id), |
| *pointer, amount, ret, |
| CRYPTO_get_lock_name(type), file, line); |
| } |
| #endif |
| *pointer = ret; |
| CRYPTO_lock(CRYPTO_UNLOCK | CRYPTO_WRITE, type, file, line); |
| } |
| return (ret); |
| } |
| |
| const char *CRYPTO_get_lock_name(int type) |
| { |
| if (type < 0) |
| return ("dynamic"); |
| else if (type < CRYPTO_NUM_LOCKS) |
| return (lock_names[type]); |
| else if (type - CRYPTO_NUM_LOCKS > sk_OPENSSL_STRING_num(app_locks)) |
| return ("ERROR"); |
| else |
| return (sk_OPENSSL_STRING_value(app_locks, type - CRYPTO_NUM_LOCKS)); |
| } |
| |
| #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ |
| defined(__INTEL__) || \ |
| defined(__x86_64) || defined(__x86_64__) || \ |
| defined(_M_AMD64) || defined(_M_X64) |
| |
| unsigned int OPENSSL_ia32cap_P[2]; |
| unsigned long *OPENSSL_ia32cap_loc(void) |
| { |
| if (sizeof(long) == 4) |
| /* |
| * If 32-bit application pulls address of OPENSSL_ia32cap_P[0] |
| * clear second element to maintain the illusion that vector |
| * is 32-bit. |
| */ |
| OPENSSL_ia32cap_P[1] = 0; |
| return (unsigned long *)OPENSSL_ia32cap_P; |
| } |
| |
| # if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY) |
| # define OPENSSL_CPUID_SETUP |
| # if defined(_WIN32) |
| typedef unsigned __int64 IA32CAP; |
| # else |
| typedef unsigned long long IA32CAP; |
| # endif |
| void OPENSSL_cpuid_setup(void) |
| { |
| static int trigger = 0; |
| IA32CAP OPENSSL_ia32_cpuid(void); |
| IA32CAP vec; |
| char *env; |
| |
| if (trigger) |
| return; |
| |
| trigger = 1; |
| if ((env = OPENSSL_port_getenv("OPENSSL_ia32cap"))) { |
| int off = (env[0] == '~') ? 1 : 0; |
| # if defined(_WIN32) |
| if (!OPENSSL_port_sscanf(env + off, "%I64i", &vec)) |
| vec = OPENSSL_port_strtoul(env + off, NULL, 0); |
| # else |
| if (!OPENSSL_port_sscanf(env + off, "%lli", (long long *)&vec)) |
| vec = OPENSSL_port_strtoul(env + off, NULL, 0); |
| # endif |
| if (off) |
| vec = OPENSSL_ia32_cpuid() & ~vec; |
| } else |
| vec = OPENSSL_ia32_cpuid(); |
| |
| /* |
| * |(1<<10) sets a reserved bit to signal that variable |
| * was initialized already... This is to avoid interference |
| * with cpuid snippets in ELF .init segment. |
| */ |
| OPENSSL_ia32cap_P[0] = (unsigned int)vec | (1 << 10); |
| OPENSSL_ia32cap_P[1] = (unsigned int)(vec >> 32); |
| } |
| # endif |
| |
| #else |
| unsigned long *OPENSSL_ia32cap_loc(void) |
| { |
| return NULL; |
| } |
| #endif |
| int OPENSSL_NONPIC_relocated = 0; |
| #if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ) |
| void OPENSSL_cpuid_setup(void) |
| { |
| } |
| #endif |
| |
| #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL) && \ |
| !defined(__LB_SHELL__) && !defined(OPENSSL_SYS_STARBOARD) |
| # ifdef __CYGWIN__ |
| /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ |
| # include <windows.h> |
| /* |
| * this has side-effect of _WIN32 getting defined, which otherwise is |
| * mutually exclusive with __CYGWIN__... |
| */ |
| # endif |
| |
| /* |
| * All we really need to do is remove the 'error' state when a thread |
| * detaches |
| */ |
| |
| BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) |
| { |
| switch (fdwReason) { |
| case DLL_PROCESS_ATTACH: |
| OPENSSL_cpuid_setup(); |
| # if defined(_WIN32_WINNT) |
| { |
| IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *) hinstDLL; |
| IMAGE_NT_HEADERS *nt_headers; |
| |
| if (dos_header->e_magic == IMAGE_DOS_SIGNATURE) { |
| nt_headers = (IMAGE_NT_HEADERS *) ((char *)dos_header |
| + dos_header->e_lfanew); |
| if (nt_headers->Signature == IMAGE_NT_SIGNATURE && |
| hinstDLL != |
| (HINSTANCE) (nt_headers->OptionalHeader.ImageBase)) |
| OPENSSL_NONPIC_relocated = 1; |
| } |
| } |
| # endif |
| break; |
| case DLL_THREAD_ATTACH: |
| break; |
| case DLL_THREAD_DETACH: |
| break; |
| case DLL_PROCESS_DETACH: |
| break; |
| } |
| return (TRUE); |
| } |
| #endif |
| |
| #if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__LB_SHELL__) && \ |
| !defined(OPENSSL_SYS_STARBOARD) |
| #include <openssl/opensslconf.h> |
| #if !defined(OPENSSL_SYS_STARBOARD) |
| # include <signal.h> |
| # include <tchar.h> |
| #endif // !defined(OPENSSL_SYS_STARBOARD) |
| # ifdef __WATCOMC__ |
| # if defined(_UNICODE) || defined(__UNICODE__) |
| # define _vsntprintf _vsnwprintf |
| # else |
| # define _vsntprintf _vsnprintf |
| # endif |
| # endif |
| # ifdef _MSC_VER |
| # define alloca _alloca |
| # endif |
| |
| # if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 |
| int OPENSSL_isservice(void) |
| { |
| HWINSTA h; |
| DWORD len; |
| WCHAR *name; |
| static union { |
| void *p; |
| int (*f) (void); |
| } _OPENSSL_isservice = { |
| NULL |
| }; |
| |
| if (_OPENSSL_isservice.p == NULL) { |
| HANDLE h = GetModuleHandle(NULL); |
| if (h != NULL) |
| _OPENSSL_isservice.p = GetProcAddress(h, "_OPENSSL_isservice"); |
| if (_OPENSSL_isservice.p == NULL) |
| _OPENSSL_isservice.p = (void *)-1; |
| } |
| |
| if (_OPENSSL_isservice.p != (void *)-1) |
| return (*_OPENSSL_isservice.f) (); |
| |
| h = GetProcessWindowStation(); |
| if (h == NULL) |
| return -1; |
| |
| if (GetUserObjectInformationW(h, UOI_NAME, NULL, 0, &len) || |
| GetLastError() != ERROR_INSUFFICIENT_BUFFER) |
| return -1; |
| |
| if (len > 512) |
| return -1; /* paranoia */ |
| len++, len &= ~1; /* paranoia */ |
| name = (WCHAR *)alloca(len + sizeof(WCHAR)); |
| if (!GetUserObjectInformationW(h, UOI_NAME, name, len, &len)) |
| return -1; |
| |
| len++, len &= ~1; /* paranoia */ |
| name[len / sizeof(WCHAR)] = L'\0'; /* paranoia */ |
| # if 1 |
| /* |
| * This doesn't cover "interactive" services [working with real |
| * WinSta0's] nor programs started non-interactively by Task Scheduler |
| * [those are working with SAWinSta]. |
| */ |
| if (wcsstr(name, L"Service-0x")) |
| return 1; |
| # else |
| /* This covers all non-interactive programs such as services. */ |
| if (!wcsstr(name, L"WinSta0")) |
| return 1; |
| # endif |
| else |
| return 0; |
| } |
| # else |
| int OPENSSL_isservice(void) |
| { |
| return 0; |
| } |
| # endif |
| |
| void OPENSSL_showfatal(const char *fmta, ...) |
| { |
| va_list ap; |
| TCHAR buf[256]; |
| const TCHAR *fmt; |
| # ifdef STD_ERROR_HANDLE /* what a dirty trick! */ |
| HANDLE h; |
| |
| if ((h = GetStdHandle(STD_ERROR_HANDLE)) != NULL && |
| GetFileType(h) != FILE_TYPE_UNKNOWN) { |
| /* must be console application */ |
| va_start(ap, fmta); |
| vfprintf(stderr, fmta, ap); |
| va_end(ap); |
| return; |
| } |
| # endif |
| |
| if (sizeof(TCHAR) == sizeof(char)) |
| fmt = (const TCHAR *)fmta; |
| else |
| do { |
| int keepgoing; |
| size_t len_0 = OPENSSL_port_strlen(fmta) + 1, i; |
| WCHAR *fmtw; |
| |
| fmtw = (WCHAR *)alloca(len_0 * sizeof(WCHAR)); |
| if (fmtw == NULL) { |
| fmt = (const TCHAR *)L"no stack?"; |
| break; |
| } |
| # ifndef OPENSSL_NO_MULTIBYTE |
| if (!MultiByteToWideChar(CP_ACP, 0, fmta, len_0, fmtw, len_0)) |
| # endif |
| for (i = 0; i < len_0; i++) |
| fmtw[i] = (WCHAR)fmta[i]; |
| |
| for (i = 0; i < len_0; i++) { |
| if (fmtw[i] == L'%') |
| do { |
| keepgoing = 0; |
| switch (fmtw[i + 1]) { |
| case L'0': |
| case L'1': |
| case L'2': |
| case L'3': |
| case L'4': |
| case L'5': |
| case L'6': |
| case L'7': |
| case L'8': |
| case L'9': |
| case L'.': |
| case L'*': |
| case L'-': |
| i++; |
| keepgoing = 1; |
| break; |
| case L's': |
| fmtw[i + 1] = L'S'; |
| break; |
| case L'S': |
| fmtw[i + 1] = L's'; |
| break; |
| case L'c': |
| fmtw[i + 1] = L'C'; |
| break; |
| case L'C': |
| fmtw[i + 1] = L'c'; |
| break; |
| } |
| } while (keepgoing); |
| } |
| fmt = (const TCHAR *)fmtw; |
| } while (0); |
| |
| va_start(ap, fmta); |
| _vsntprintf(buf, sizeof(buf) / sizeof(TCHAR) - 1, fmt, ap); |
| buf[sizeof(buf) / sizeof(TCHAR) - 1] = _T('\0'); |
| va_end(ap); |
| |
| # if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 |
| /* this -------------v--- guards NT-specific calls */ |
| if (check_winnt() && OPENSSL_isservice() > 0) { |
| HANDLE hEventLog = RegisterEventSource(NULL, _T("OpenSSL")); |
| |
| if (hEventLog != NULL) { |
| const TCHAR *pmsg = buf; |
| |
| if (!ReportEvent(hEventLog, EVENTLOG_ERROR_TYPE, 0, 0, NULL, |
| 1, 0, &pmsg, NULL)) { |
| #if defined(DEBUG) |
| /* |
| * We are in a situation where we tried to report a critical |
| * error and this failed for some reason. As a last resort, |
| * in debug builds, send output to the debugger or any other |
| * tool like DebugView which can monitor the output. |
| */ |
| OutputDebugString(pmsg); |
| #endif |
| } |
| |
| (void)DeregisterEventSource(hEventLog); |
| } |
| } else |
| # endif |
| MessageBox(NULL, buf, _T("OpenSSL: FATAL"), MB_OK | MB_ICONERROR); |
| } |
| #else |
| void OPENSSL_showfatal(const char *fmta, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, fmta); |
| #if defined(OPENSSL_SYS_STARBOARD) |
| SbLogFormat(fmta, ap); |
| #else |
| vfprintf(stderr, fmta, ap); |
| #endif |
| va_end(ap); |
| } |
| |
| int OPENSSL_isservice(void) |
| { |
| return 0; |
| } |
| #endif |
| |
| void OpenSSLDie(const char *file, int line, const char *assertion) |
| { |
| OPENSSL_showfatal |
| ("%s(%d): OpenSSL internal error, assertion failed: %s\n", file, line, |
| assertion); |
| #if defined(__LB_SHELL__) && defined(_DEBUG) |
| DEBUG_BREAK(); |
| #endif |
| #if defined(OPENSSL_SYS_STARBOARD) |
| SbSystemBreakIntoDebugger(); |
| #elif !defined(_WIN32) || defined(__CYGWIN__) || defined(__LB_SHELL__) |
| OPENSSL_port_abort(); |
| #else |
| /* |
| * Win32 OPENSSL_port_abort() customarily shows a dialog, but we just did that... |
| */ |
| raise(SIGABRT); |
| _exit(3); |
| #endif |
| } |
| |
| void *OPENSSL_stderr(void) |
| { |
| #if defined(OPENSSL_SYS_STARBOARD) |
| return NULL; |
| #else |
| return stderr; |
| #endif |
| } |
| |
| int CRYPTO_memcmp(const void *in_a, const void *in_b, size_t len) |
| { |
| size_t i; |
| const unsigned char *a = in_a; |
| const unsigned char *b = in_b; |
| unsigned char x = 0; |
| |
| for (i = 0; i < len; i++) |
| x |= a[i] ^ b[i]; |
| |
| return x; |
| } |