Add support for LOCKSERV/UNLOCKSERV to block/open for new connections. Thanks to LeaChim for first version too.

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@6136 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 139 insertions, 0 deletions

diff --git a/src/modules/m_lockserv.cpp b/src/modules/m_lockserv.cpp
new file mode 100644
index 000000000..844c75576
--- /dev/null
+++ b/src/modules/m_lockserv.cpp
@@ -0,0 +1,139 @@
+#include "users.h"
+#include "channels.h"
+#include "modules.h"
+#include "inspircd.h"
+
+
+/* $ModDesc: Allows locking of the server to stop all incoming connections till unlocked again */
+
+/** Adds numerics
+ * 988 <nick> <servername> :Closed for new connections

+ * 989 <nick> <servername> :Open for new connections
+*/
+
+
+class cmd_lockserv : public command_t
+{
+private:
+	bool& locked;
+
+public:
+	cmd_lockserv (InspIRCd* Instance, bool &lock)
+	: command_t(Instance, "LOCKSERV", 'o', 0), locked(lock)
+	{
+		this->source = "m_lockserv.so";
+		syntax = "";
+	}
+
+	CmdResult Handle (const char** parameters, int pcnt, userrec *user)
+	{
+		locked = true;
+		user->WriteServ("988 %s %s :Closed for new connections", user->nick, user->server);
+		ServerInstance->WriteOpers("*** Oper %s used LOCKSERV to temporarily close for new connections", user->nick);
+		/* Dont send to the network */
+		return CMD_LOCALONLY;
+	}
+};
+
+class cmd_unlockserv : public command_t
+{
+private:
+        bool& locked;
+
+public:
+	cmd_unlockserv (InspIRCd* Instance, bool &lock)
+	: command_t(Instance, "UNLOCKSERV", 'o', 0), locked(lock)
+	{
+		this->source = "m_lockserv.so";
+		syntax = "";
+	}
+
+	CmdResult Handle (const char** parameters, int pcnt, userrec *user)
+	{
+		locked = false;
+		user->WriteServ("989 %s %s :Open for new connections", user->nick, user->server);
+		ServerInstance->WriteOpers("*** Oper %s used UNLOCKSERV to allow for new connections", user->nick);
+		/* Dont send to the network */
+		return CMD_LOCALONLY;
+	}
+};
+
+class ModuleLockserv : public Module
+{
+private:
+	bool locked;
+	cmd_lockserv* lockcommand;
+	cmd_unlockserv* unlockcommand;
+
+	virtual void ResetLocked()
+	{
+		locked = false;
+	}
+
+public:
+	ModuleLockserv(InspIRCd* Me) : Module::Module(Me)
+	{
+		ResetLocked();
+		lockcommand = new cmd_lockserv(ServerInstance, locked);
+		ServerInstance->AddCommand(lockcommand);
+
+		unlockcommand = new cmd_unlockserv(ServerInstance, locked);
+		ServerInstance->AddCommand(unlockcommand);
+	}
+
+    virtual ~ModuleLockserv()
+    {
+    }
+
+	void Implements(char* List)
+	{
+		List[I_OnUserRegister] = List[I_OnRehash] = List[I_OnCheckReady] = 1;
+	}
+
+	virtual void OnRehash(const std::string &parameter)
+	{
+		ResetLocked();
+	}
+
+	virtual int OnUserRegister(userrec* user)
+    {
+		if (locked)
+		{
+			userrec::QuitUser(ServerInstance, user, "Server is temporarily closed. Please try again later.");
+			return 1;
+		}
+		return 0;
+	}
+
+	virtual bool OnCheckReady(userrec* user)
+	{
+		return !locked;
+	}
+
+	virtual Version GetVersion()
+	{
+		return Version(1,0,0,1,0, API_VERSION);
+	}
+};
+
+class ModuleLockservFactory : public ModuleFactory
+{
+public:
+	ModuleLockservFactory()
+	{
+	}
+
+	~ModuleLockservFactory()
+	{
+	}
+
+	virtual Module * CreateModule(InspIRCd* Me)
+	{
+		return new ModuleLockserv(Me);
+	}
+};
+
+extern "C" void * init_module( void )
+{
+	return new ModuleLockservFactory;
+}