irc: add command /setname, add support of message and capability "setname" (closes #1653)

src/plugins/irc/irc-command.c

@@ -5669,6 +5669,27 @@ IRC_COMMAND_CALLBACK(squery)
     return WEECHAT_RC_OK;
 }
 
+/*
+ * Callback for command "/setname": set real name.
+ */
+
+IRC_COMMAND_CALLBACK(setname)
+{
+    IRC_BUFFER_GET_SERVER(buffer);
+    IRC_COMMAND_CHECK_SERVER("setname", 1, 1);
+
+    /* make C compiler happy */
+    (void) pointer;
+    (void) data;
+
+    WEECHAT_COMMAND_MIN_ARGS(2, "");
+
+    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
+                      "SETNAME :%s", argv_eol[1]);
+
+    return WEECHAT_RC_OK;
+}
+
 /*
  * Callback for command "/squit": disconnects server links.
  */
@@ -6480,7 +6501,8 @@ irc_command_init ()
            "\n"
            "Capabilities supported by WeeChat are: "
            "account-notify, away-notify, cap-notify, chghost, extended-join, "
-           "invite-notify, multi-prefix, server-time, userhost-in-names.\n"
+           "invite-notify, multi-prefix, server-time, setname, "
+           "userhost-in-names.\n"
            "\n"
            "The capabilities to automatically enable on servers can be set "
            "in option irc.server_default.capabilities (or by server in "
@@ -7107,6 +7129,12 @@ irc_command_init ()
         N_("service: name of service\n"
            "   text: text to send"),
         NULL, &irc_command_squery, NULL, NULL);
+    weechat_hook_command (
+        "setname",
+        N_("set real name"),
+        N_("<realname>"),
+        N_("realname: new real name"),
+        NULL, &irc_command_setname, NULL, NULL);
     weechat_hook_command (
         "squit",
         N_("disconnect server links"),

src/plugins/irc/irc-command.h

@@ -56,7 +56,7 @@ struct t_irc_channel;
 /* list of supported capabilities (for completion in command /cap) */
 #define IRC_COMMAND_CAP_SUPPORTED_COMPLETION \
     "account-notify|away-notify|cap-notify|chghost|extended-join|"      \
-    "invite-notify|multi-prefix|server-time|userhost-in-names|%*"
+    "invite-notify|multi-prefix|server-time|setname|userhost-in-names|%*"
 
 /* list of supported CTCPs (for completion in command /ctcp) */
 #define IRC_COMMAND_CTCP_SUPPORTED_COMPLETION \

src/plugins/irc/irc-protocol.c

@@ -2846,6 +2846,58 @@ IRC_PROTOCOL_CALLBACK(quit)
     return WEECHAT_RC_OK;
 }
 
+/*
+ * Callback for the IRC message "SETNAME": set real name
+ * (with capability "setname").
+ *
+ * Message looks like:
+ *   :nick!user@host SETNAME :the realname
+ */
+
+IRC_PROTOCOL_CALLBACK(setname)
+{
+    struct t_irc_channel *ptr_channel;
+    struct t_irc_nick *ptr_nick;
+    char *pos_realname, *realname_color;
+
+    IRC_PROTOCOL_MIN_ARGS(3);
+
+    pos_realname = (argv_eol[2][0] == ':') ? argv_eol[2] + 1 : argv_eol[2];
+
+    if (weechat_hashtable_has_key (server->cap_list, "setname"))
+    {
+        for (ptr_channel = server->channels; ptr_channel;
+             ptr_channel = ptr_channel->next_channel)
+        {
+            ptr_nick = irc_nick_search (server, ptr_channel, nick);
+            if (ptr_nick)
+            {
+                if (ptr_nick->realname)
+                    free (ptr_nick->realname);
+                ptr_nick->realname = strdup (pos_realname);
+            }
+        }
+    }
+
+    if (!ignored)
+    {
+        realname_color = irc_color_decode (
+            pos_realname,
+            weechat_config_boolean (irc_config_network_colors_receive));
+        weechat_printf_date_tags (
+            irc_msgbuffer_get_target_buffer (server, NULL, command, NULL, NULL),
+            date,
+            irc_protocol_tags (command, NULL, NULL, NULL),
+            _("%sReal name set to: %s"),
+            weechat_prefix ("network"),
+            (realname_color) ? realname_color : "");
+        if (realname_color)
+            free (realname_color);
+    }
+
+    return WEECHAT_RC_OK;
+}
+
 /*
  * Callback for an IRC message with mode and reason (numeric).
  */
@@ -6611,6 +6663,7 @@ irc_protocol_recv_command (struct t_irc_server *server,
         IRCB(pong, 1, 0, pong),          /* answer to a ping message        */
         IRCB(privmsg, 1, 1, privmsg),    /* message received                */
         IRCB(quit, 1, 1, quit),          /* close all connections and quit  */
+        IRCB(setname, 0, 1, setname),    /* set realname                    */
         IRCB(topic, 0, 1, topic),        /* get/set channel topic           */
         IRCB(wallops, 1, 1, wallops),    /* wallops                         */
         IRCB(warn, 1, 0, warn),          /* warning received from server    */