Adding tls host name extension (SNI)

Signed-off-by: Viktor Gotwig <viktor.gotwig@q-loud.de>
8 years ago · e90afb8526
parent 6dd63d3000
commit e90afb8526
1 changed files with 8 additions and 0 deletions
--- a/lib/net_mosq.c
+++ b/lib/net_mosq.c
@ -589,6 +589,14 @@ int net__socket_connect_step3(struct mosquitto *mosq, const char *host, uint16_t
 		}
 		SSL_set_bio(mosq->ssl, bio, bio);

+		/*
+		 * required for the SNI resolving
+		 */
+		if(SSL_set_tlsext_host_name(mosq->ssl, host) != 1) {
+			COMPAT_CLOSE(mosq->sock);
+			return MOSQ_ERR_TLS;
+		}
+
 		if(net__socket_connect_tls(mosq)){
 			return MOSQ_ERR_TLS;
 		}