Fix spaces not being allowed in the bridge remote_username option.

Closes #1131. Thanks to beville.

ChangeLog.txt

@@ -28,6 +28,8 @@ Broker:
 - Fixed comment handling for config options that have optional arguments.
 - Improved documentation around bridge topic remapping.
 - Handle mismatched handshakes (e.g. QoS1 PUBLISH with QoS2 reply) properly.
+- Fix spaces not being allowed in the bridge remote_username option. Closes
+  #1131.
 
 Library:
 - Fix TLS connections not working over SOCKS.

src/conf.c

@@ -2026,21 +2026,7 @@ int config__read_file_core(struct mosquitto__config *config, bool reload, struct
 						log__printf(NULL, MOSQ_LOG_ERR, "Error: Invalid bridge configuration.");
 						return MOSQ_ERR_INVAL;
 					}
-					token = strtok_r(NULL, " ", &saveptr);
+					if(conf__parse_string(&token, "bridge remote_username", &cur_bridge->remote_username, saveptr)) return MOSQ_ERR_INVAL;
-					if(token){
-						if(cur_bridge->remote_username){
-							log__printf(NULL, MOSQ_LOG_ERR, "Error: Duplicate username value in bridge configuration.");
-							return MOSQ_ERR_INVAL;
-						}
-						cur_bridge->remote_username = mosquitto__strdup(token);
-						if(!cur_bridge->remote_username){
-							log__printf(NULL, MOSQ_LOG_ERR, "Error: Out of memory.");
-							return MOSQ_ERR_NOMEM;
-						}
-					}else{
-						log__printf(NULL, MOSQ_LOG_ERR, "Error: Empty username value in configuration.");
-						return MOSQ_ERR_INVAL;
-					}
 #else
 					log__printf(NULL, MOSQ_LOG_WARNING, "Warning: Bridge support not available.");
 #endif