Default to using port 8883 when using TLS.

ChangeLog.txt

@@ -46,6 +46,7 @@ Client:
 - Add --retained-only to mosquitto_sub to exit after receiving all retained
   messages.
 - Connections now default to using MQTT v3.1.1.
+- Default to using port 8883 when using TLS.
 
 
 1.4.7 - 20151221

client/client_shared.c

@@ -37,7 +37,7 @@ static int client_config_line_proc(struct mosq_config *cfg, int pub_or_sub, int
 void init_config(struct mosq_config *cfg)
 {
 	memset(cfg, 0, sizeof(*cfg));
-	cfg->port = 1883;
+	cfg->port = -1;
 	cfg->max_inflight = 20;
 	cfg->keepalive = 60;
 	cfg->clean_session = true;
@@ -428,6 +428,7 @@ int client_config_line_proc(struct mosq_config *cfg, int pub_or_sub, int argc, c
 
 				if(!strncasecmp(url, "mqtt://", 7)) {
 					url += 7;
+					cfg->port = 1883;
 				} else if(!strncasecmp(url, "mqtts://", 8)) {
 					url += 8;
 					cfg->port = 8883;
@@ -831,15 +832,32 @@ int client_connect(struct mosquitto *mosq, struct mosq_config *cfg)
 {
 	char err[1024];
 	int rc;
+	int port;
+
+#ifdef WITH_TLS
+	if(cfg->port < 0){
+		if(cfg->cafile || cfg->capath
+#ifdef WITH_TLS_PSK
+				|| cfg->psk
+#endif
+				){
+			port = 8883;
+		}else{
+			port = 1883;
+		}
+	}else{
+		port = cfg->port;
+	}
+#endif
 
 #ifdef WITH_SRV
 	if(cfg->use_srv){
 		rc = mosquitto_connect_srv(mosq, cfg->host, cfg->keepalive, cfg->bind_address);
 	}else{
-		rc = mosquitto_connect_bind(mosq, cfg->host, cfg->port, cfg->keepalive, cfg->bind_address);
+		rc = mosquitto_connect_bind(mosq, cfg->host, port, cfg->keepalive, cfg->bind_address);
 	}
 #else
-	rc = mosquitto_connect_bind(mosq, cfg->host, cfg->port, cfg->keepalive, cfg->bind_address);
+	rc = mosquitto_connect_bind(mosq, cfg->host, port, cfg->keepalive, cfg->bind_address);
 #endif
 	if(rc>0){
 		if(!cfg->quiet){

man/mosquitto_pub.1.xml

@@ -238,9 +238,12 @@
 				<term><option>-L</option></term>
 				<term><option>--url</option></term>
 				<listitem>
-					<para>Specify specify user, password, hostname, port and topic at once as a URL.
-					The URL must be in the form:
-					mqtt(s)://[username[:password]@]host[:port]/topic</para>
+					<para>Specify specify user, password, hostname, port and
+						topic at once as a URL.  The URL must be in the form:
+						mqtt(s)://[username[:password]@]host[:port]/topic</para>
+					<para>If the scheme is mqtt:// then the port defaults to
+						1883. If the scheme is mqtts:// then the port defaults
+						to 8883.</para>
 				</listitem>
 			</varlistentry>
 			<varlistentry>
@@ -268,7 +271,9 @@
 				<term><option>-p</option></term>
 				<term><option>--port</option></term>
 				<listitem>
-					<para>Connect to the port specified instead of the default 1883 for plain MQTT and 8883 for MQTT over TLS.</para>
+					<para>Connect to the port specified. If not given, the
+						default of 1883 for plain MQTT or 8883 for MQTT over
+						TLS will be used.</para>
 				</listitem>
 			</varlistentry>
 			<varlistentry>

man/mosquitto_sub.1.xml

@@ -267,9 +267,12 @@
 				<term><option>-L</option></term>
 				<term><option>--url</option></term>
 				<listitem>
-					<para>Specify specify user, password, hostname, port and topic at once as a URL.
-					The URL must be in the form:
-					mqtt(s)://[username[:password]@]host[:port]/topic</para>
+					<para>Specify specify user, password, hostname, port and
+						topic at once as a URL.  The URL must be in the form:
+						mqtt(s)://[username[:password]@]host[:port]/topic</para>
+					<para>If the scheme is mqtt:// then the port defaults to
+						1883. If the scheme is mqtts:// then the port defaults
+						to 8883.</para>
 				</listitem>
 			</varlistentry>
 			<varlistentry>
@@ -286,7 +289,9 @@
 				<term><option>-p</option></term>
 				<term><option>--port</option></term>
 				<listitem>
-					<para>Connect to the port specified instead of the default 1883 for plain MQTT and 8883 for MQTT over TLS.</para>
+					<para>Connect to the port specified. If not given, the
+						default of 1883 for plain MQTT or 8883 for MQTT over
+						TLS will be used.</para>
 				</listitem>
 			</varlistentry>
 			<varlistentry>