From 98bea6aca4a6033f1b2693fbaa4935ef009eb30a Mon Sep 17 00:00:00 2001 From: brain Date: Sun, 11 Mar 2007 16:01:56 +0000 Subject: Add safelist:maxlisters which prevents more than x number of people doing a LIST at the same time. (as i've just noticed, 500 bots all doing LIST at once can severely lag your ircd) git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@6658 e03df62e-2008-0410-955e-edbf42e46eb7 --- src/modules/m_safelist.cpp | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'src/modules') diff --git a/src/modules/m_safelist.cpp b/src/modules/m_safelist.cpp index 1bdfb97bd..45e4dab11 100644 --- a/src/modules/m_safelist.cpp +++ b/src/modules/m_safelist.cpp @@ -38,6 +38,8 @@ class ModuleSafeList : public Module { time_t ThrottleSecs; size_t ServerNameSize; + int global_listing; + int LimitList; public: ModuleSafeList(InspIRCd* Me) : Module::Module(Me) { @@ -52,7 +54,9 @@ class ModuleSafeList : public Module { ConfigReader MyConf(ServerInstance); ThrottleSecs = MyConf.ReadInteger("safelist", "throttle", "60", 0, true); + LimitList = MyConf.ReadInteger("safelist", "maxlisters", "50", 0, true); ServerNameSize = strlen(ServerInstance->Config->ServerName) + 4; + global_listing = 0; } virtual Version GetVersion() @@ -88,6 +92,14 @@ class ModuleSafeList : public Module */ int HandleList(const char** parameters, int pcnt, userrec* user) { + if (global_listing >= LimitList) + { + user->WriteServ("NOTICE %s :*** Server load is currently too heavy. Please try again later.", user->nick); + user->WriteServ("321 %s Channel :Users Name",user->nick); + user->WriteServ("323 %s :End of channel list.",user->nick); + return 1; + } + /* First, let's check if the user is currently /list'ing */ ListData *ld; user->GetExt("safelist_cache", ld); @@ -117,6 +129,7 @@ class ModuleSafeList : public Module DELETE(last_list_time); user->Shrink("safelist_last"); } + /* * start at channel 0! ;) @@ -130,6 +143,8 @@ class ModuleSafeList : public Module user->WriteServ("321 %s Channel :Users Name",user->nick); + global_listing++; + return 1; } @@ -185,6 +200,7 @@ class ModuleSafeList : public Module { user->Shrink("safelist_cache"); DELETE(ld); + global_listing--; } } } -- cgit v1.2.3