Add an option to allow disengaging joinflood after a netsplit.

This commit is contained in:
Sadie Powell 2020-10-12 18:35:07 +01:00
parent 219f8e6262
commit 2a3b6ba9e2
2 changed files with 30 additions and 5 deletions

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@ -1268,8 +1268,15 @@
# Closes the channel for N seconds if X users join in Y seconds. # Closes the channel for N seconds if X users join in Y seconds.
#<module name="joinflood"> #<module name="joinflood">
# #
# The number of seconds to close the channel for: # duration: The number of seconds to close a channel for when it is
#<joinflood duration="1m"> # being flooded with joins.
#
# splitwait: The number of seconds to disengage joinflood for after
# a server splits. This allows users to reconnect without
# being throttled by joinflood.
#
#<joinflood duration="1m"
# splitwait="30s">
#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-# #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
# Anti auto rejoin: Adds support for prevention of auto-rejoin (+J). # Anti auto rejoin: Adds support for prevention of auto-rejoin (+J).

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@ -24,6 +24,7 @@
#include "inspircd.h" #include "inspircd.h"
#include "modules/server.h"
enum enum
{ {
@ -131,13 +132,23 @@ class JoinFlood : public ParamMode<JoinFlood, SimpleExtItem<joinfloodsettings> >
} }
}; };
class ModuleJoinFlood : public Module class ModuleJoinFlood
: public Module
, public ServerProtocol::LinkEventListener
{ {
private:
JoinFlood jf; JoinFlood jf;
time_t ignoreuntil;
unsigned long splitwait;
public: public:
// Stop GCC warnings about the deprecated OnServerSplit event.
using ServerProtocol::LinkEventListener::OnServerSplit;
ModuleJoinFlood() ModuleJoinFlood()
: jf(this) : ServerProtocol::LinkEventListener(this)
, jf(this)
, ignoreuntil(0)
{ {
} }
@ -145,6 +156,13 @@ class ModuleJoinFlood : public Module
{ {
ConfigTag* tag = ServerInstance->Config->ConfValue("joinflood"); ConfigTag* tag = ServerInstance->Config->ConfValue("joinflood");
duration = tag->getDuration("duration", 60, 10, 600); duration = tag->getDuration("duration", 60, 10, 600);
splitwait = tag->getDuration("splitwait", 30);
}
void OnServerSplit(const Server* server, bool error) CXX11_OVERRIDE
{
if (splitwait)
ignoreuntil = ServerInstance->Time() + splitwait;
} }
ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
@ -164,7 +182,7 @@ class ModuleJoinFlood : public Module
void OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts) CXX11_OVERRIDE void OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts) CXX11_OVERRIDE
{ {
/* We arent interested in JOIN events caused by a network burst */ /* We arent interested in JOIN events caused by a network burst */
if (sync) if (sync || ignoreuntil > ServerInstance->Time())
return; return;
joinfloodsettings *f = jf.ext.get(memb->chan); joinfloodsettings *f = jf.ext.get(memb->chan);