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/*
* Copyright (C) 2008 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* This program 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; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#include "kernel_netlink_plugin.h"
#include "kernel_netlink_ipsec.h"
#include "kernel_netlink_net.h"
#include <sa/task_manager.h>
typedef struct private_kernel_netlink_plugin_t private_kernel_netlink_plugin_t;
/**
* private data of kernel netlink plugin
*/
struct private_kernel_netlink_plugin_t {
/**
* implements plugin interface
*/
kernel_netlink_plugin_t public;
};
METHOD(plugin_t, get_name, char*,
private_kernel_netlink_plugin_t *this)
{
return "kernel-netlink";
}
METHOD(plugin_t, get_features, int,
private_kernel_netlink_plugin_t *this, plugin_feature_t *features[])
{
static plugin_feature_t f[] = {
PLUGIN_CALLBACK(kernel_ipsec_register, kernel_netlink_ipsec_create),
PLUGIN_PROVIDE(CUSTOM, "kernel-ipsec"),
PLUGIN_CALLBACK(kernel_net_register, kernel_netlink_net_create),
PLUGIN_PROVIDE(CUSTOM, "kernel-net"),
};
*features = f;
return countof(f);
}
METHOD(plugin_t, reload, bool,
private_kernel_netlink_plugin_t *this)
{
u_int timeout;
FILE *f;
f = fopen("/proc/sys/net/core/xfrm_acq_expires", "w");
if (f)
{
timeout = lib->settings->get_int(lib->settings,
"%s.plugins.kernel-netlink.xfrm_acq_expires",
task_manager_total_retransmit_timeout(), lib->ns);
fprintf(f, "%u", timeout);
fclose(f);
}
return TRUE;
}
METHOD(plugin_t, destroy, void,
private_kernel_netlink_plugin_t *this)
{
free(this);
}
/*
* see header file
*/
plugin_t *kernel_netlink_plugin_create()
{
private_kernel_netlink_plugin_t *this;
if (!lib->caps->keep(lib->caps, CAP_NET_ADMIN))
{ /* required to bind/use XFRM sockets / create/modify routing tables, but
* not if only the read-only parts of kernel-netlink-net are used, so
* we don't fail here */
DBG1(DBG_KNL, "kernel-netlink plugin might require CAP_NET_ADMIN "
"capability");
}
INIT(this,
.public = {
.plugin = {
.get_name = _get_name,
.get_features = _get_features,
.reload = _reload,
.destroy = _destroy,
},
},
);
reload(this);
return &this->public.plugin;
}
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