From d2f5566813cad3f8e9e5d05bd1a4f768ec079050 Mon Sep 17 00:00:00 2001
From: pk910 <philipp@zoelle1.de>
Date: Tue, 14 Feb 2012 16:31:58 +0100
Subject: [PATCH] added possibility to change bot nick even if bot is on +m
 channels

---
 src/ClientSocket.h |  3 +++
 src/IRCParser.c    | 40 +++++++++++++++++++++++++++++++++++++++-
 2 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/src/ClientSocket.h b/src/ClientSocket.h
index 34db5d6..5c707e1 100644
--- a/src/ClientSocket.h
+++ b/src/ClientSocket.h
@@ -30,6 +30,7 @@
 #define SOCKET_FLAG_QUITTED   0x100
 #define SOCKET_FLAG_FAST_JUMP 0x200
 #define SOCKET_FLAG_SILENT    0x400
+#define SOCKET_FLAG_CHANGENICK 0x800
 
 #define SOCKET_HAVE_BOTCLASSVALUE1 0x10000000
 #define SOCKET_HAVE_BOTCLASSVALUE2 0x20000000
@@ -74,6 +75,8 @@ struct ClientSocket {
     void *botclassvalue2;
     void *botclassvalue3;
     
+    void *changenick_channels; //parted channels due raw 437
+    
     struct ClientSocket *next;
 };
 
diff --git a/src/IRCParser.c b/src/IRCParser.c
index 17aeef4..e92b346 100644
--- a/src/IRCParser.c
+++ b/src/IRCParser.c
@@ -566,11 +566,17 @@ static IRC_CMD(raw_notice) {
     return 1;
 }
 
+static void client_renamed(struct ClientSocket *client);
+
 static IRC_CMD(raw_nick) {
     if(from == NULL || argc == 0) return 0;
     struct UserNode *user = getUserByMask(from);
     if(user == NULL) return 0;
-    if(!is_firstBotSeeUser(client, user)) return 1; //we ignore it - but it's not a parse error
+    if(isBot(user)) {
+        if(client->user != user) return 1;
+        client_renamed(client);
+    }
+    else if(!is_firstBotSeeUser(client, user)) return 1; //we ignore it - but it's not a parse error
     event_nick(user, argv[0]);
     renameUser(user, argv[0]);
     return 1;
@@ -684,8 +690,40 @@ static IRC_CMD(raw_332) {
     return 1;
 }
 
+struct ClientRenamePartedChannel {
+    char channel[CHANNELLEN+1];
+    struct ClientRenamePartedChannel *next;
+};
+
+static IRC_CMD(raw_437) { //can NOT change nick
+    struct ClientRenamePartedChannel *partedchan = malloc(sizeof(*partedchan));
+    strcpy(partedchan->channel, argv[1]);
+    if((client->flags & SOCKET_FLAG_CHANGENICK))
+        partedchan->next = client->changenick_channels;
+    else
+        partedchan->next = NULL;
+    client->changenick_channels = partedchan;
+    client->flags |= SOCKET_FLAG_CHANGENICK;
+    putsock(client, "PART %s", argv[1]);
+    putsock(client, "NICK %s", client->nick);
+    return 1;
+}
+
+static void client_renamed(struct ClientSocket *client) {
+    if((client->flags & SOCKET_FLAG_CHANGENICK)) {
+        struct ClientRenamePartedChannel *partedchan, *nextchan;
+        for(partedchan = client->changenick_channels; partedchan; partedchan = nextchan) {
+            nextchan = partedchan->next;
+            putsock(client, "JOIN %s", partedchan->channel);
+            free(partedchan);
+        }
+        client->flags &= ~SOCKET_FLAG_CHANGENICK;
+    }
+}
+
 void init_parser() {
     //all the raws we receive...
+    register_irc_function("437", raw_437);
     register_irc_function("002", raw_002);
     register_irc_function("251", raw_251);
     register_irc_function("254", raw_254);
-- 
2.20.1