relay: allow colon in server password received from client

ChangeLog

@@ -38,6 +38,7 @@ Version 0.3.5 (under dev!)
 * irc: add many missing commands for target buffer (options irc.msgbuffer.xxx)
   (bug #32216)
 * lua: fix crash when many scripts are executing callbacks at same time
+* relay: allow colon in server password received from client
 * relay: do not send join for private buffers to client
 * rmodifier: fix reload of file rmodifier.conf
 * rmodifier: fix crash when adding rmodifier with invalid regex

src/plugins/relay/relay-client-irc.c

@@ -711,7 +711,7 @@ relay_client_irc_recv_one_msg (struct t_relay_client *client, char *data)
             {
                 if (irc_args && irc_args[0]
                     && (strcmp (weechat_config_string (relay_config_network_password),
-                                irc_args) == 0))
+                                (irc_args[0] == ':') ? irc_args + 1 : irc_args) == 0))
                 {
                     RELAY_IRC_DATA(client, password_ok) = 1;
                 }