From a2a7e52f6be12cccfc69cb85c4df521a746bba6c Mon Sep 17 00:00:00 2001
From: pk910 <philipp@zoelle1.de>
Date: Tue, 29 Nov 2011 23:50:18 +0100
Subject: [PATCH] tried to make NeonServ fully ZNC compatible (shared cache
 problems)

---
 src/IRCParser.c | 52 ++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 41 insertions(+), 11 deletions(-)

diff --git a/src/IRCParser.c b/src/IRCParser.c
index b3fa250..b757f5d 100644
--- a/src/IRCParser.c
+++ b/src/IRCParser.c
@@ -116,7 +116,10 @@ static USERLIST_CALLBACK(got_channel_userlist) {
 }
 
 static IRC_CMD(raw_001) {
-    client->user = addUser(argv[0]);
+    struct UserNode *user = getUserByNick(argv[0]);
+    if(!user)
+        user = addUser(argv[0]);
+    client->user = user;
     client->user->flags |= USERFLAG_ISBOT;
     client->flags |= SOCKET_FLAG_READY;
     event_bot_ready(client);
@@ -149,6 +152,20 @@ static int is_firstBotSeeUser(struct ClientSocket *client, struct UserNode *user
         return 0;
 }
 
+static int is_onlyBotSeeUser(struct ClientSocket *client, struct UserNode *user) {
+    struct ClientSocket *bot;
+    struct ChanUser *chanuser;
+    for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
+        if(bot == client) continue;
+        for(chanuser = getUserChannels(bot->user, NULL); chanuser; chanuser = getUserChannels(bot->user, chanuser)) {
+            if(isUserOnChan(user, chanuser->chan)) {
+                return 0;
+            }
+        }
+    }
+    return 1;
+}
+
 static IRC_CMD(raw_join) {
     if(from == NULL || argc < 1) return 0;
     struct UserNode *user = getUserByMask(from);
@@ -229,6 +246,8 @@ static IRC_CMD(raw_quit) {
     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
+    int registering = !stricmp(argv[0], "Registered");
+    if((registering && (user->flags & USERFLAG_ISBOT))) return 1; //bot is registering - just ignore it
     delUser(user, 0); //a little bit crazy, but we want to delete the user on the channel's userlists - but not the users channel list
     event_quit(user, argv[0]);
     if(user->flags & USERFLAG_ISBOT) {
@@ -248,7 +267,7 @@ static IRC_CMD(raw_quit) {
             }
         }
     }
-    if(!stricmp(argv[0], "Registered") && !(user->flags & USERFLAG_ISBOT)) {
+    if(registering && !(user->flags & USERFLAG_ISBOT)) {
         user->next = registering_users;
         user->created = time(0);
         registering_users = user;
@@ -261,16 +280,27 @@ void bot_disconnect(struct ClientSocket *client) {
     struct UserNode *user = client->user;
     struct ChanUser *chanuser, *next;
     if(user) {
-        delUser(user, 0);
-        event_quit(user, "disconnected");
-        for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
-            next = getUserChannels(user, chanuser);
-            if(chanuser->chan->chanbot == user)
-                checkChannelVisibility(chanuser->chan);
-            freeChanUser(chanuser);
+        if(is_onlyBotSeeUser(client, user)) {
+            //ok  the bot-user is not seen by any other bots so we can simply free it.
+            delUser(user, 0);
+            event_quit(user, "disconnected");
+            for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
+                next = getUserChannels(user, chanuser);
+                if(chanuser->chan->chanbot == user)
+                    checkChannelVisibility(chanuser->chan);
+                freeChanUser(chanuser);
+            }
+            user->channel = NULL;
+            delUser(user, 1); //now we fully free the user
+        } else {
+            //we need to transform the bot-user back to a normal user (BNC FIX)
+            user->flags &= ~USERFLAG_ISBOT;
+            for(chanuser = getUserChannels(user, NULL); chanuser; chanuser = next) {
+                next = getUserChannels(user, chanuser);
+                if(chanuser->chan->chanbot == user)
+                    checkChannelVisibility(chanuser->chan);
+            }
         }
-        user->channel = NULL;
-        delUser(user, 1); //now we fully free the user
         client->user = NULL;
     }
 }
-- 
2.20.1