ssl.c File Reference

Common OpenSSL support code. More...

#include "asterisk.h"
#include <openssl/ssl.h>
#include <openssl/err.h>
#include "asterisk/_private.h"
#include "asterisk/utils.h"
#include "asterisk/lock.h"

Include dependency graph for ssl.c:

Go to the source code of this file.

Functions
int	ast_ssl_init (void)
static void	ssl_lock (int mode, int n, const char *file, int line)
static unsigned long	ssl_threadid (void)
Variables
static ast_mutex_t *	ssl_locks
static int	ssl_num_locks

---

Detailed Description

Common OpenSSL support code.

Author:

Russell Bryant <russell@digium.com>

Definition in file ssl.c.

---

Function Documentation

int ast_ssl_init

(

void

)

Provided by ssl.c

Definition at line 73 of file ssl.c.

References ast_calloc, ast_mutex_init, ssl_lock(), ssl_num_locks, and ssl_threadid().

Referenced by main().

{
#ifdef HAVE_OPENSSL
   unsigned int i;

   SSL_library_init();
   SSL_load_error_strings();
   ERR_load_crypto_strings();
   ERR_load_BIO_strings();
   OpenSSL_add_all_algorithms();

   /* Make OpenSSL thread-safe. */

   CRYPTO_set_id_callback(ssl_threadid);

   ssl_num_locks = CRYPTO_num_locks();
   if (!(ssl_locks = ast_calloc(ssl_num_locks, sizeof(ssl_locks[0])))) {
      return -1;
   }
   for (i = 0; i < ssl_num_locks; i++) {
      ast_mutex_init(&ssl_locks[i]);
   }
   CRYPTO_set_locking_callback(ssl_lock);

#endif /* HAVE_OPENSSL */
   return 0;
}

static void ssl_lock	(	int	mode,
		int	n,
		const char *	file,
		int	line
	)		[static]

Definition at line 51 of file ssl.c.

References ast_log(), ast_mutex_lock, ast_mutex_unlock, and LOG_ERROR.

Referenced by ast_ssl_init().

{
   if (n < 0 || n >= ssl_num_locks) {
      ast_log(LOG_ERROR, "OpenSSL is full of LIES!!! - "
            "ssl_num_locks '%d' - n '%d'\n",
            ssl_num_locks, n);
      return;
   }

   if (mode & CRYPTO_LOCK) {
      ast_mutex_lock(&ssl_locks[n]);
   } else {
      ast_mutex_unlock(&ssl_locks[n]);
   }
}

static unsigned long ssl_threadid

(

void

)

[static]

Definition at line 46 of file ssl.c.

Referenced by ast_ssl_init().

{
   return (unsigned long)pthread_self();
}

---

Variable Documentation

ast_mutex_t* ssl_locks [static]

Definition at line 42 of file ssl.c.

int ssl_num_locks [static]

Definition at line 44 of file ssl.c.

Referenced by ast_ssl_init().