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	pthread implementations. Casting it to an unsigned int fixes compiler warnings. Tested on OpenBSD and Linux both 32 and 64 bit git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@205532 65c4cc65-6c06-0410-ace0-fbb531ad65f3
		
			
				
	
	
		
			101 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Asterisk -- An open source telephony toolkit.
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|  *
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|  * Copyright (C) 2009, Digium, Inc.
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|  *
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|  * Russell Bryant <russell@digium.com>
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|  *
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|  * See http://www.asterisk.org for more information about
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|  * the Asterisk project. Please do not directly contact
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|  * any of the maintainers of this project for assistance;
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|  * the project provides a web site, mailing lists and IRC
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|  * channels for your use.
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|  *
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|  * This program is free software, distributed under the terms of
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|  * the GNU General Public License Version 2. See the LICENSE file
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|  * at the top of the source tree.
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|  */
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| 
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| /*! 
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|  * \file
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|  * \brief Common OpenSSL support code
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|  *
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|  * \author Russell Bryant <russell@digium.com>
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|  */
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| 
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| #include "asterisk.h"
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| 
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| ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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| 
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| #ifdef HAVE_OPENSSL
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| #include <openssl/ssl.h>
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| #include <openssl/err.h>
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| #endif
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| 
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| #include "asterisk/_private.h" /* ast_ssl_init() */
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| 
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| #include "asterisk/utils.h"
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| #include "asterisk/lock.h"
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| 
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| #ifdef HAVE_OPENSSL
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| 
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| static ast_mutex_t *ssl_locks;
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| 
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| static int ssl_num_locks;
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| 
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| static unsigned long ssl_threadid(void)
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| {
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| 	return (unsigned long)pthread_self();
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| }
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| 
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| static void ssl_lock(int mode, int n, const char *file, int line)
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| {
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| 	if (n < 0 || n >= ssl_num_locks) {
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| 		ast_log(LOG_ERROR, "OpenSSL is full of LIES!!! - "
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| 				"ssl_num_locks '%d' - n '%d'\n",
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| 				ssl_num_locks, n);
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| 		return;
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| 	}
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| 
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| 	if (mode & CRYPTO_LOCK) {
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| 		ast_mutex_lock(&ssl_locks[n]);
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| 	} else {
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| 		ast_mutex_unlock(&ssl_locks[n]);
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| 	}
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| }
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| 
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| #endif /* HAVE_OPENSSL */
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| 
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| /*!
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|  * \internal
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|  * \brief Common OpenSSL initialization for all of Asterisk.
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|  */
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| int ast_ssl_init(void)
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| {
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| #ifdef HAVE_OPENSSL
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| 	unsigned int i;
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| 
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| 	SSL_library_init();
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| 	SSL_load_error_strings();
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| 	ERR_load_crypto_strings();
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| 	ERR_load_BIO_strings();
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| 	OpenSSL_add_all_algorithms();
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| 
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| 	/* Make OpenSSL thread-safe. */
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| 
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| 	CRYPTO_set_id_callback(ssl_threadid);
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| 
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| 	ssl_num_locks = CRYPTO_num_locks();
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| 	if (!(ssl_locks = ast_calloc(ssl_num_locks, sizeof(ssl_locks[0])))) {
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| 		return -1;
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| 	}
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| 	for (i = 0; i < ssl_num_locks; i++) {
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| 		ast_mutex_init(&ssl_locks[i]);
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| 	}
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| 	CRYPTO_set_locking_callback(ssl_lock);
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| 
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| #endif /* HAVE_OPENSSL */
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| 	return 0;
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| }
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| 
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