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 ) |