diff options
Diffstat (limited to 'lib/ssl_openssl.c')
| -rw-r--r-- | lib/ssl_openssl.c | 71 | 
1 files changed, 34 insertions, 37 deletions
diff --git a/lib/ssl_openssl.c b/lib/ssl_openssl.c index c1aa6b1b..3486f044 100644 --- a/lib/ssl_openssl.c +++ b/lib/ssl_openssl.c @@ -1,7 +1,7 @@    /********************************************************************\    * BitlBee -- An IRC to other IM-networks gateway                     *    *                                                                    * -  * Copyright 2002-2004 Wilmer van der Gaast and others                * +  * Copyright 2002-2012 Wilmer van der Gaast and others                *    \********************************************************************/  /* SSL module - OpenSSL version                                         */ @@ -46,13 +46,16 @@ struct scd  	int fd;  	gboolean established;  	gboolean verify; +	char *hostname;  	int inpa;  	int lasterr;		/* Necessary for SSL_get_error */  	SSL *ssl; -	SSL_CTX *ssl_ctx;  }; +static SSL_CTX *ssl_ctx; + +static void ssl_conn_free( struct scd *conn );  static gboolean ssl_connected( gpointer data, gint source, b_input_condition cond );  static gboolean ssl_starttls_real( gpointer data, gint source, b_input_condition cond );  static gboolean ssl_handshake( gpointer data, gint source, b_input_condition cond ); @@ -60,9 +63,14 @@ static gboolean ssl_handshake( gpointer data, gint source, b_input_condition con  void ssl_init( void )  { -	initialized = TRUE; +	const SSL_METHOD *meth; +	  	SSL_library_init(); -	// SSLeay_add_ssl_algorithms(); +	 +	meth = TLSv1_client_method(); +	ssl_ctx = SSL_CTX_new( meth ); +	 +	initialized = TRUE;  }  void *ssl_connect( char *host, int port, gboolean verify, ssl_input_function func, gpointer data ) @@ -72,13 +80,14 @@ void *ssl_connect( char *host, int port, gboolean verify, ssl_input_function fun  	conn->fd = proxy_connect( host, port, ssl_connected, conn );  	if( conn->fd < 0 )  	{ -		g_free( conn ); +		ssl_conn_free( conn );  		return NULL;  	}  	conn->func = func;  	conn->data = data;  	conn->inpa = -1; +	conn->hostname = g_strdup( host );  	return conn;  } @@ -92,6 +101,7 @@ void *ssl_starttls( int fd, char *hostname, gboolean verify, ssl_input_function  	conn->data = data;  	conn->inpa = -1;  	conn->verify = verify && global.conf->cafile; +	conn->hostname = g_strdup( hostname );  	/* This function should be called via a (short) timeout instead of  	   directly from here, because these SSL calls are *supposed* to be @@ -117,15 +127,13 @@ static gboolean ssl_starttls_real( gpointer data, gint source, b_input_condition  static gboolean ssl_connected( gpointer data, gint source, b_input_condition cond )  {  	struct scd *conn = data; -	const SSL_METHOD *meth; -	/* Right now we don't have any verification functionality for OpenSSL. */ -  	if( conn->verify )  	{ +		/* Right now we don't have any verification functionality for OpenSSL. */  		conn->func( conn->data, 1, NULL, cond );  		if( source >= 0 ) closesocket( source ); -		g_free( conn ); +		ssl_conn_free( conn );  		return FALSE;  	} @@ -138,12 +146,11 @@ static gboolean ssl_connected( gpointer data, gint source, b_input_condition con  		ssl_init();  	} -	meth = TLSv1_client_method(); -	conn->ssl_ctx = SSL_CTX_new( meth ); -	if( conn->ssl_ctx == NULL ) +	 +	if( ssl_ctx == NULL )  		goto ssl_connected_failure; -	conn->ssl = SSL_new( conn->ssl_ctx ); +	conn->ssl = SSL_new( ssl_ctx );  	if( conn->ssl == NULL )  		goto ssl_connected_failure; @@ -151,23 +158,14 @@ static gboolean ssl_connected( gpointer data, gint source, b_input_condition con  	sock_make_nonblocking( conn->fd );  	SSL_set_fd( conn->ssl, conn->fd ); +	if( conn->hostname && !isdigit( conn->hostname[0] ) ) +		SSL_set_tlsext_host_name( conn->ssl, conn->hostname ); +	  	return ssl_handshake( data, source, cond );  ssl_connected_failure:  	conn->func( conn->data, 0, NULL, cond ); -	 -	if( conn->ssl ) -	{ -		SSL_shutdown( conn->ssl ); -		SSL_free( conn->ssl ); -	} -	if( conn->ssl_ctx ) -	{ -		SSL_CTX_free( conn->ssl_ctx ); -	} -	if( source >= 0 ) closesocket( source ); -	g_free( conn ); -	 +	ssl_disconnect( conn );  	return FALSE;  }	 @@ -183,14 +181,7 @@ static gboolean ssl_handshake( gpointer data, gint source, b_input_condition con  		if( conn->lasterr != SSL_ERROR_WANT_READ && conn->lasterr != SSL_ERROR_WANT_WRITE )  		{  			conn->func( conn->data, 0, NULL, cond ); -			 -			SSL_shutdown( conn->ssl ); -			SSL_free( conn->ssl ); -			SSL_CTX_free( conn->ssl_ctx ); -			 -			if( source >= 0 ) closesocket( source ); -			g_free( conn ); -			 +			ssl_disconnect( conn );  			return FALSE;  		} @@ -260,6 +251,14 @@ int ssl_pending( void *conn )  	       SSL_pending( ((struct scd*)conn)->ssl ) > 0 : 0;  } +static void ssl_conn_free( struct scd *conn ) +{ +	SSL_free( conn->ssl ); +	g_free( conn->hostname ); +	g_free( conn ); +	 +} +  void ssl_disconnect( void *conn_ )  {  	struct scd *conn = conn_; @@ -272,9 +271,7 @@ void ssl_disconnect( void *conn_ )  	closesocket( conn->fd ); -	SSL_free( conn->ssl ); -	SSL_CTX_free( conn->ssl_ctx ); -	g_free( conn ); +	ssl_conn_free( conn );  }  int ssl_getfd( void *conn )  | 
