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authorbrain <brain@e03df62e-2008-0410-955e-edbf42e46eb7>2006-07-03 15:34:06 +0000
committerbrain <brain@e03df62e-2008-0410-955e-edbf42e46eb7>2006-07-03 15:34:06 +0000
commit2e328fd5fae4c4a121d170d06432da96dcd72b0f (patch)
tree151f84eba1c3f553e2dc0bee31ebbbadd84953d5 /src/modules
parentc8afadf9393178a3291121d669532b5970abac1c (diff)
Add m_connflood, pippijn's connect throttle module (now we are offering another paid unreal feature for nothing :p)
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@4109 e03df62e-2008-0410-955e-edbf42e46eb7
Diffstat (limited to 'src/modules')
-rw-r--r--src/modules/m_connflood.cpp147
1 files changed, 147 insertions, 0 deletions
diff --git a/src/modules/m_connflood.cpp b/src/modules/m_connflood.cpp
new file mode 100644
index 000000000..8df8ecefc
--- /dev/null
+++ b/src/modules/m_connflood.cpp
@@ -0,0 +1,147 @@
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
+ * E-mail:
+ * <brain@chatspike.net>
+ * <Craig@chatspike.net>
+ *
+ * --- This module contributed by pippijn ---
+ *
+ * Written by Craig Edwards, Craig McLure, and others.
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+using namespace std;
+
+#include "users.h"
+#include "modules.h"
+
+/* $ModDesc: Connection throttle */
+
+int conns = 0, throttled = 0;
+extern time_t TIME;
+
+class ModuleConnFlood : public Module
+{
+private:
+ int seconds, maxconns, timeout, boot_wait;
+ time_t first;
+ std::string quitmsg;
+
+ ConfigReader* conf;
+ Server *Srv;
+
+public:
+ ModuleConnFlood(Server* Me) : Module::Module(Me)
+ {
+ Srv = Me;
+ InitConf();
+ }
+
+ virtual ~ModuleConnFlood()
+ {
+ }
+
+ virtual Version GetVersion()
+ {
+ return Version(1,0,0,0,0);
+ }
+
+ void Implements(char* List)
+ {
+ List[I_OnRehash] = List[I_OnUserRegister] = 1;
+ }
+
+ void InitConf()
+ {
+ /* read configuration variables */
+ conf = new ConfigReader;
+ /* throttle configuration */
+ seconds = conf->ReadInteger("connflood", "seconds", 0, true);
+ maxconns = conf->ReadInteger("connflood", "maxconns", 0, true);
+ timeout = conf->ReadInteger("connflood", "timeout", 0, true);
+ quitmsg = conf->ReadValue("connflood", "quitmsg", 0);
+
+ /* seconds to wait when the server just booted */
+ boot_wait = conf->ReadInteger("connflood", "bootwait", 0, true);
+
+ first = TIME;
+ }
+
+ virtual void OnUserRegister(userrec* user)
+ {
+ time_t next = TIME;
+ if (!first)
+ first = next - boot_wait;
+
+ /* time difference between first and latest connection */
+ time_t tdiff = next - first;
+
+ /* increase connection count */
+ conns++;
+
+ if (throttled == 1)
+ {
+ if (tdiff > seconds + timeout)
+ {
+ /* expire throttle */
+ throttled = 0;
+ Srv->SendOpers("*** Connection throttle deactivated");
+ return;
+ }
+ Srv->QuitUser(user, quitmsg);
+ return;
+ }
+
+ if (tdiff <= seconds)
+ {
+ if (conns >= maxconns)
+ {
+ throttled = 1;
+ Srv->SendOpers("*** Connection throttle activated");
+ Srv->QuitUser(user, quitmsg);
+ return;
+ }
+ }
+ else
+ {
+ conns = 1;
+ first = next;
+ }
+ }
+
+ virtual void OnRehash(const std::string &parameter)
+ {
+ InitConf();
+ }
+
+};
+
+
+class ModuleConnFloodFactory : public ModuleFactory
+{
+public:
+ ModuleConnFloodFactory()
+ {
+ }
+
+ ~ModuleConnFloodFactory()
+ {
+ }
+
+ virtual Module * CreateModule(Server* Me)
+ {
+ return new ModuleConnFlood(Me);
+ }
+};
+
+
+extern "C" void * init_module( void )
+{
+ return new ModuleConnFloodFactory;
+}