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Merge pull request #113 from nenolod/feature/mlock

modules/m_mlock: new module implementing server-side MLOCK.
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2 parents c745072 + 1b90906 commit 2916ae7c920c069ff180f0224b2dc953bbd32501 @rburchell rburchell committed May 16, 2012
Showing with 77 additions and 0 deletions.
  1. +6 −0 docs/modules.conf.example
  2. +71 −0 src/modules/m_mlock.cpp
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6 docs/modules.conf.example
@@ -1038,6 +1038,12 @@
#<module name="m_messageflood.so">
#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
+# MLOCK module: Adds support for server-side enforcement of services
+# side MLOCKs. Basically, this module suppresses any mode change that
+# would likely be immediately bounced by services.
+#<module name="m_mlock.so">
+
+#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
# MsSQL module: Allows other SQL modules to access MS SQL Server
# through a unified API. You must copy the source for this module
# from the directory src/modules/extra, plus the file m_sqlv2.h
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71 src/modules/m_mlock.cpp
@@ -0,0 +1,71 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2012 William Pitcock <nenolod@dereferenced.org>
+ *
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "inspircd.h"
+
+class ModuleMLock : public Module
+{
+private:
+ StringExtItem mlock;
+
+public:
+ ModuleMLock() : mlock("mlock", this) {};
+
+ void init()
+ {
+ ServerInstance->Modules->Attach(I_OnPreMode, this);
+ }
+
+ Version GetVersion()
+ {
+ return Version("Implements the ability to have server-side MLOCK enforcement.", VF_VENDOR);
+ }
+
+ void Prioritize()
+ {
+ ServerInstance->Modules->SetPriority(this, I_OnPreMode, PRIORITY_FIRST);
+ }
+
+ ModResult OnPreMode(User* source, User* dest, Channel* channel, const std::vector<std::string>& parameters)
+ {
+ if (!channel)
+ return MOD_RES_PASSTHRU;
+
+ if (!IS_LOCAL(source))
+ return MOD_RES_PASSTHRU;
+
+ std::string *mlock_str = mlock.get(channel);
+ if (!mlock_str || mlock_str->empty())
+ return MOD_RES_PASSTHRU;
+
+ for (const char *modes = parameters[1].c_str(); *modes; modes++)
+ {
+ if (mlock_str->find(*modes))
+ {
+ source->WriteNumeric(742, "%s %c %s :MODE cannot be set due to channel having an active MLOCK restriction policy",
+ channel->name.c_str(), *modes, mlock_str->c_str());
+ return MOD_RES_DENY;
+ }
+ }
+
+ return MOD_RES_PASSTHRU;
+ }
+
+};
+
+MODULE_INIT(ModuleMLock)

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