diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/dyn_lck.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/dyn_lck.c | 526 |
1 files changed, 260 insertions, 266 deletions
diff --git a/Cryptlib/OpenSSL/crypto/dyn_lck.c b/Cryptlib/OpenSSL/crypto/dyn_lck.c index 7f82c412..e91b9b79 100644 --- a/Cryptlib/OpenSSL/crypto/dyn_lck.c +++ b/Cryptlib/OpenSSL/crypto/dyn_lck.c @@ -7,7 +7,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -58,21 +58,21 @@ * 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: @@ -87,10 +87,10 @@ * 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 + * 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 @@ -102,7 +102,7 @@ * 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 @@ -110,7 +110,7 @@ */ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. - * ECDH support in OpenSSL originally developed by + * ECDH support in OpenSSL originally developed by * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. */ @@ -118,311 +118,305 @@ #include <openssl/safestack.h> #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) -static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */ +static double SSLeay_MSVC5_hack = 0.0; /* and for VC1.5 */ #endif DECLARE_STACK_OF(CRYPTO_dynlock) IMPLEMENT_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", +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", #ifndef OPENSSL_FIPS # if CRYPTO_NUM_LOCKS != 39 # error "Inconsistency between crypto.h and cryptlib.c" # endif #else - "fips", - "fips2", + "fips", + "fips2", # if CRYPTO_NUM_LOCKS != 41 # error "Inconsistency between crypto.h and cryptlib.c" # endif #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 *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; +/* + * 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 *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 struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback) - (const char *file,int line)=NULL; -static void (MS_FAR *dynlock_lock_callback)(int mode, - struct CRYPTO_dynlock_value *l, const char *file,int line)=NULL; -static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l, - const char *file,int line)=NULL; + (const char *file, int line) = NULL; +static void (MS_FAR *dynlock_lock_callback) (int mode, + struct CRYPTO_dynlock_value *l, + const char *file, int line) = + NULL; +static void (MS_FAR *dynlock_destroy_callback) (struct CRYPTO_dynlock_value + *l, const char *file, + int line) = NULL; int CRYPTO_get_new_lockid(char *name) - { - char *str; - int i; +{ + 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 - * and 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]; + /* + * A hack to make Visual C++ 5.0 work correctly when linking as a DLL + * using /MT. Without this, the application cannot use and 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_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_push(app_locks,str); - if (!i) - OPENSSL_free(str); - else - i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */ - return(i); - } + if ((app_locks == NULL) && ((app_locks = sk_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_push(app_locks, str); + if (!i) + OPENSSL_free(str); + else + i += CRYPTO_NUM_LOCKS; /* gap of one :-) */ + return (i); +} 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; - } +{ + 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; +{ + 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) - { - fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference count\n"); - abort(); - } - else + if (pointer->references < 0) { + fprintf(stderr, + "CRYPTO_destroy_dynlockid, bad reference count\n"); + 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); - } - } + 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_dynlock *pointer = NULL; + if (i) + i = -i - 1; - CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK); + 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++; + 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); + CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK); - if (pointer) - return pointer->data; - return NULL; - } + 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); - } + (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_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); - } + (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; - } + (const char *file, int line)) +{ + dynlock_create_callback = func; +} static void do_dynlock(int mode, int type, const char *file, int line) - { - 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); - } - } - -void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode, - struct CRYPTO_dynlock_value *l, const char *file, int line)) - { - /* Set callback so CRYPTO_lock() can now handle dynamic locks. - * This is OK because at this point and application shouldn't be using - * OpenSSL from multiple threads because it is setting up the locking - * callbacks. - */ - static int done = 0; - if (!done) - { - int_CRYPTO_set_do_dynlock_callback(do_dynlock); - done = 1; - } - - dynlock_lock_callback=func; - } +{ + 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); + } +} + +void CRYPTO_set_dynlock_lock_callback(void (*func) (int mode, + struct + CRYPTO_dynlock_value *l, + const char *file, + int line)) +{ + /* + * Set callback so CRYPTO_lock() can now handle dynamic locks. This is OK + * because at this point and application shouldn't be using OpenSSL from + * multiple threads because it is setting up the locking callbacks. + */ + static int done = 0; + if (!done) { + int_CRYPTO_set_do_dynlock_callback(do_dynlock); + done = 1; + } + + 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; - } + (struct CRYPTO_dynlock_value *l, + const char *file, int line)) +{ + dynlock_destroy_callback = func; +} 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_num(app_locks)) - return("ERROR"); - else - return(sk_value(app_locks,type-CRYPTO_NUM_LOCKS)); - } - +{ + if (type < 0) + return ("dynamic"); + else if (type < CRYPTO_NUM_LOCKS) + return (lock_names[type]); + else if (type - CRYPTO_NUM_LOCKS > sk_num(app_locks)) + return ("ERROR"); + else + return (sk_value(app_locks, type - CRYPTO_NUM_LOCKS)); +} |