Do not perform redirect on chained channel links, tell user channel is full and SNOTICE the offending channel(s).

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@6616 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 10 insertions, 0 deletions

diff --git a/src/modules/m_redirect.cpp b/src/modules/m_redirect.cpp
index ae54ba137..18098d833 100644
--- a/src/modules/m_redirect.cpp
+++ b/src/modules/m_redirect.cpp
@@ -126,6 +126,16 @@ class ModuleRedirect : public Module
 				if (chan->GetUserCounter() >= chan->limit)
 				{
 					std::string channel = chan->GetModeParameter('L');
+
+					/* sometimes broken ulines can make circular or chained +L, avoid this */
+					chanrec* destchan = NULL;
+					destchan = ServerInstance->FindChan(channel);
+					if (destchan && destchan->IsModeSet('L'))
+					{
+						ServerInstance->WriteOpers("*** %s has circular or chained +L to %s", chan->name, channel.c_str());
+						return 0;
+					}
+
 					user->WriteServ("470 %s :%s has become full, so you are automatically being transferred to the linked channel %s",user->nick,cname,channel.c_str());
 					chanrec::JoinUser(ServerInstance, user, channel.c_str(), false);
 					return 1;