src/plugins/SSLPlugin/my_ssl.c

@@ -196,6 +196,14 @@ SSL_CONN ssl_handshake_to_server(SOCKET s, char * hostname, SSL_CONFIG *config,
 
 	*errSSL = NULL;
 
+/*FIXME: support SSL_ERROR_WANT_(READ|WRITE) */
+#ifdef _WIN32
+ ul = 0; 
+ ioctlsocket(s, FIONBIO, &ul);
+#else
+ fcntl(s,F_SETFL,0);
+#endif
+
 	conn = (ssl_conn *)malloc(sizeof(ssl_conn));
 	if ( conn == NULL ){
 		return NULL;
@@ -219,28 +227,8 @@ SSL_CONN ssl_handshake_to_server(SOCKET s, char * hostname, SSL_CONFIG *config,
 		return NULL;
 	}
 	if(hostname && *hostname)SSL_set_tlsext_host_name(conn->ssl, hostname);
-
-
-	do {
-		struct pollfd fds[1] = {{}};
-		int sslerr;
-
 	err = SSL_connect(conn->ssl);
-		if (err != -1) break;
+	if ( err == -1 ) {
-		sslerr  = SSL_get_error(conn->ssl, err);
-		if(sslerr == SSL_ERROR_WANT_READ){
-		    fds[0].fd = s;
-		    fds[0].events = POLLIN;
-		}
-		else if(sslerr == SSL_ERROR_WANT_WRITE){
-		    fds[0].fd = s;
-		    fds[0].events = POLLOUT;
-		}
-		else break;
-		if(sso._poll(sso.state, fds, 1, CONNECT_TO*1000) <= 0 ||  !(fds[0].revents & (POLLOUT|POLLIN))) break;
-	} while (err == -1);
-
-	if ( err != 1 ) {
 		*errSSL = getSSLErr();
 		ssl_conn_free(conn);
 		return NULL;
@@ -257,6 +245,12 @@ SSL_CONN ssl_handshake_to_server(SOCKET s, char * hostname, SSL_CONFIG *config,
 	    *server_cert = cert;
 	}
 
+#ifdef _WIN32 
+ ul = 1;
+ ioctlsocket(s, FIONBIO, &ul);
+#else
+ fcntl(s,F_SETFL,O_NONBLOCK);
+#endif
 	return conn;
 }
 
@@ -267,6 +261,15 @@ SSL_CONN ssl_handshake_to_client(SOCKET s, SSL_CONFIG *config, X509 *server_cert
 	ssl_conn *conn;
 	unsigned long ul;
 	
+/*FIXME: support SSL_ERROR_WANT_(READ|WRITE)*/
+
+#ifdef _WIN32
+ ul = 0;
+ ioctlsocket(s, FIONBIO, &ul);
+#else
+ fcntl(s,F_SETFL,0);
+#endif
+
 
 	*errSSL = NULL;
 
@@ -293,38 +296,28 @@ SSL_CONN ssl_handshake_to_client(SOCKET s, SSL_CONFIG *config, X509 *server_cert
 	}
 
 	SSL_set_fd(conn->ssl, s);
-
-	do {
-		struct pollfd fds[1] = {{}};
-		int sslerr;
-
 	err = SSL_accept(conn->ssl);
-		if (err != -1) break;
+	if ( err <= 0 ) {
-		sslerr  = SSL_get_error(conn->ssl, err);
-		if(sslerr == SSL_ERROR_WANT_READ){
-		    fds[0].fd = s;
-		    fds[0].events = POLLIN;
-		}
-		else if(sslerr == SSL_ERROR_WANT_WRITE){
-		    fds[0].fd = s;
-		    fds[0].events = POLLOUT;
-		}
-		else break;
-		if(sso._poll(sso.state, fds, 1, CONNECT_TO*1000) <= 0 ||  !(fds[0].revents & (POLLOUT|POLLIN))) break;
-	} while (err == -1);
-
-
-	if ( err != 1 ) {
 		*errSSL = getSSLErr();
 		ssl_conn_free(conn);
 		return NULL;
 	}
 
+	//
+	// client certificate
+	// TODO: is it required?
+	//
 	cert = SSL_get_peer_certificate(conn->ssl);     
 
 	if ( cert != NULL )
 		X509_free(cert);
 
+#ifdef _WIN32 
+ ul = 1;
+ ioctlsocket(s, FIONBIO, &ul);
+#else
+ fcntl(s,F_SETFL,O_NONBLOCK);
+#endif
 	return conn;
 }
 

src/plugins/SSLPlugin/my_ssl.h

@@ -77,5 +77,5 @@ void _ssl_cert_free(SSL_CERT cert);
 void ssl_init(void);
 char * getSSLErr(void);
 
-extern struct sockfuncs sso;
+
 #endif // __my_ssl_h__

src/plugins/SSLPlugin/ssl_plugin.c

@@ -99,14 +99,10 @@ static void addSSL(
     SOCKET srv_s, SSL_CONN srv_conn, 
     struct clientparam* param){
 	if(!param->sostate) return;
-	if (cli_s != INVALID_SOCKET){
 	SOSTATE->cli.s = cli_s;
 	SOSTATE->cli.conn = cli_conn;
-	}
-	if (srv_s != INVALID_SOCKET){
 	SOSTATE->srv.s = srv_s;
 	SOSTATE->srv.conn = srv_conn;
-	}
 }
 
 void delSSL(void *state, SOCKET s){
@@ -275,6 +271,7 @@ SSL_CONN dosrvcon(struct clientparam* param, SSL_CERT* cert){
  SSL_set_mode((SSL *)((ssl_conn *)ServerConn)->ssl, SSL_MODE_ENABLE_PARTIAL_WRITE|SSL_MODE_AUTO_RETRY);
  SSL_set_read_ahead((SSL *)((ssl_conn *)ServerConn)->ssl, 0);
 
+
  return ServerConn;
 }
 
@@ -651,10 +648,10 @@ static void ssl_filter_close(void *fo){
     free(fo);
 }
 
-static struct filter ssl_filter = {
+static struct filter ssl_filter_mitm = {
 	NULL,
 	"ssl filter",
-	"ssl_filter",
+	"mitm",
 	ssl_filter_open,
 	ssl_filter_client,
 	NULL, NULL, NULL, ssl_filter_predata, NULL, NULL,
@@ -662,73 +659,100 @@ static struct filter ssl_filter = {
 	ssl_filter_close
 };
 
-int filterset = 0;
-
-static void setfilters(){
-	filterset++;
-	if(filterset > 1) return;
-	ssl_filter.next = pl->conf->filters;
-	pl->conf->filters = &ssl_filter;
-	sso = *pl->so;
-}
-
-static void unsetfilters(){
-	struct filter * sf;
-
-	if(!filterset) return;
-	filterset--;
-	if(filterset > 0) return;
-	if(pl->conf->filters == &ssl_filter) pl->conf->filters = ssl_filter.next;
-	else for(sf = pl->conf->filters; sf && sf->next; sf=sf->next){
-		if(sf->next == &ssl_filter) {
-			sf->next = ssl_filter.next;
-			break;
-		}
-	}
-}
 
 static int h_mitm(int argc, unsigned char **argv){
-	if(mitm) return 0;
+	if(mitm) return 1;
 	if(serv) return 2;
+	ssl_filter_mitm.next = pl->conf->filters;
+	pl->conf->filters = &ssl_filter_mitm;
+	sso = *pl->so;
 	mitm = 1;
-	setfilters();
 	return 0;
 }
 
 static int h_nomitm(int argc, unsigned char **argv){
-	if(!mitm) return 0;
+	struct filter * sf;
+	if(!mitm) return 1;
+	if(pl->conf->filters == &ssl_filter_mitm) pl->conf->filters = ssl_filter_mitm.next;
+	else for(sf = pl->conf->filters; sf && sf->next; sf=sf->next){
+		if(sf->next == &ssl_filter_mitm) {
+			sf->next = ssl_filter_mitm.next;
+			break;
+		}
+	}
 	mitm = 0;
-	unsetfilters();
 	return 0;
 }
 
+static struct filter ssl_filter_serv = {
+	NULL,
+	"ssl filter",
+	"serv",
+	ssl_filter_open,
+	ssl_filter_client,
+	NULL, NULL, NULL, NULL, NULL, NULL,
+	ssl_filter_clear, 
+	ssl_filter_close
+};
+
+
 static int h_serv(int argc, unsigned char **argv){
-	if(serv) return 0;
+	if(serv) return 1;
 	if(mitm) return 2;
+	ssl_filter_serv.next = pl->conf->filters;
+	pl->conf->filters = &ssl_filter_serv;
+	sso = *pl->so;
 	serv = 1;
-	setfilters();
 	return 0;
 }
 
 static int h_noserv(int argc, unsigned char **argv){
-	if(!serv) return 0;
+	struct filter * sf;
+	if(!serv) return 1;
 	serv = 0;
-	unsetfilters();
+	if(pl->conf->filters == &ssl_filter_serv) pl->conf->filters = ssl_filter_serv.next;
+	else for(sf = pl->conf->filters; sf && sf->next; sf=sf->next){
+		if(sf->next == &ssl_filter_serv) {
+			sf->next = ssl_filter_serv.next;
+			break;
+		}
+	}
 	return 0;
 }
 
+static struct filter ssl_filter_cli = {
+	NULL,
+	"ssl filter",
+	"cli",
+	ssl_filter_open,
+	ssl_filter_client,
+	NULL, NULL, NULL, ssl_filter_predata, NULL, NULL,
+	ssl_filter_clear, 
+	ssl_filter_close
+};
+
+
 static int h_cli(int argc, unsigned char **argv){
-	if(cli) return 0;
+	if(mitm) return 1;
-	if(mitm) return 2;
+	if(cli) return 2;
+	ssl_filter_cli.next = pl->conf->filters;
+	pl->conf->filters = &ssl_filter_cli;
+	sso = *pl->so;
 	cli = 1;
-	setfilters();
 	return 0;
 }
 
 static int h_nocli(int argc, unsigned char **argv){
-	if(!cli) return 0;
+	struct filter * sf;
+	if(!cli) return 1;
 	cli = 0;
-	unsetfilters();
+	if(pl->conf->filters == &ssl_filter_cli) pl->conf->filters = ssl_filter_cli.next;
+	else for(sf = pl->conf->filters; sf && sf->next; sf=sf->next){
+		if(sf->next == &ssl_filter_cli) {
+			sf->next = ssl_filter_cli.next;
+			break;
+		}
+	}
 	return 0;
 }
 
@@ -969,10 +993,9 @@ static struct commands ssl_commandhandlers[] = {
 PLUGINAPI int PLUGINCALL ssl_plugin (struct pluginlink * pluginlink, 
 					 int argc, char** argv){
 
-
+	mitm = 0;
-	h_nomitm(0, NULL);
+	serv = 0;
-	h_noserv(0, NULL);
+	cli = 0;
-	h_nocli(0, NULL);
 
 	pl = pluginlink;