+ else
+ {
+ /* Already on the channel */
+ if (Ptr->HasUser(user))
+ return NULL;
+
+ /*
+ * remote users are allowed us to bypass channel modes
+ * and bans (used by servers)
+ */
+ if (IS_LOCAL(user)) /* was a check on fd > -1 */
+ {
+ MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnUserPreJoin,OnUserPreJoin(user,Ptr,cname));
+ if (MOD_RESULT == 1)
+ {
+ return NULL;
+ }
+ else if (MOD_RESULT == 0)
+ {
+ if (*Ptr->key)
+ {
+ MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnCheckKey,OnCheckKey(user, Ptr, key ? key : ""));
+ if (!MOD_RESULT)
+ {
+ if (!key)
+ {
+ log(DEBUG,"add_channel: no key given in JOIN");
+ WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
+ return NULL;
+ }
+ else
+ {
+ if (strcmp(key,Ptr->key))
+ {
+ log(DEBUG,"add_channel: bad key given in JOIN");
+ WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
+ return NULL;
+ }
+ }
+ }
+ }
+ if (Ptr->binarymodes & CM_INVITEONLY)
+ {
+ MOD_RESULT = 0;
+ irc::string xname(Ptr->name);
+ FOREACH_RESULT(I_OnCheckInvite,OnCheckInvite(user, Ptr));
+ if (!MOD_RESULT)
+ {
+ log(DEBUG,"add_channel: channel is +i");
+ if (user->IsInvited(xname))
+ {
+ /* user was invited to channel */
+ /* there may be an optional channel NOTICE here */
+ }
+ else
+ {
+ WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
+ return NULL;
+ }
+ }
+ user->RemoveInvite(xname);
+ }
+ if (Ptr->limit)
+ {
+ MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnCheckLimit,OnCheckLimit(user, Ptr));
+ if (!MOD_RESULT)
+ {
+ if (usercount(Ptr) >= Ptr->limit)
+ {
+ WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
+ return NULL;
+ }
+ }
+ }
+ if (Ptr->bans.size())
+ {
+ log(DEBUG,"add_channel: about to walk banlist");
+ MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, Ptr));
+ if (!MOD_RESULT)
+ {
+ for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
+ {
+ if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match((char*)inet_ntoa(user->ip4),i->data)))
+ {
+ WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
+ return NULL;
+ }
+ }
+ }
+ }