112 lines
2.4 KiB
C
112 lines
2.4 KiB
C
/*
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* Copyright (C) 2014 Martin Willi
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* Copyright (C) 2014 revosec AG
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "connmark_plugin.h"
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#include "connmark_listener.h"
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#include <daemon.h>
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typedef struct private_connmark_plugin_t private_connmark_plugin_t;
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/**
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* private data of connmark plugin
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*/
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struct private_connmark_plugin_t {
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/**
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* implements plugin interface
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*/
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connmark_plugin_t public;
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/**
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* Listener installing netfilter rules
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*/
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connmark_listener_t *listener;
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};
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METHOD(plugin_t, get_name, char*,
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private_connmark_plugin_t *this)
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{
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return "connmark";
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}
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/**
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* Register listener
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*/
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static bool plugin_cb(private_connmark_plugin_t *this,
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plugin_feature_t *feature, bool reg, void *cb_data)
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{
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if (reg)
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{
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charon->bus->add_listener(charon->bus, &this->listener->listener);
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}
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else
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{
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charon->bus->remove_listener(charon->bus, &this->listener->listener);
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}
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return TRUE;
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}
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METHOD(plugin_t, get_features, int,
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private_connmark_plugin_t *this, plugin_feature_t *features[])
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{
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static plugin_feature_t f[] = {
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PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
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PLUGIN_PROVIDE(CUSTOM, "connmark"),
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};
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*features = f;
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return countof(f);
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}
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METHOD(plugin_t, destroy, void,
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private_connmark_plugin_t *this)
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{
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this->listener->destroy(this->listener);
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free(this);
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}
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/**
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* Plugin constructor
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*/
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plugin_t *connmark_plugin_create()
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{
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private_connmark_plugin_t *this;
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if (!lib->caps->keep(lib->caps, CAP_NET_ADMIN))
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{
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DBG1(DBG_NET, "connmark plugin requires CAP_NET_ADMIN capability");
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return NULL;
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}
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if (!lib->caps->keep(lib->caps, CAP_NET_RAW))
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{
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DBG1(DBG_NET, "connmark plugin requires CAP_NET_RAW capability");
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return NULL;
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}
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INIT(this,
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.public = {
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.plugin = {
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.get_name = _get_name,
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.get_features = _get_features,
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.destroy = _destroy,
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},
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},
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.listener = connmark_listener_create(),
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);
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return &this->public.plugin;
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}
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