84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
/* strongSwan netkey starter
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* Copyright (C) 2001-2002 Mathieu Lafon - Arkoon Network Security
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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 <sys/types.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <freeswan.h>
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#include "../pluto/constants.h"
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#include "../pluto/defs.h"
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#include "../pluto/log.h"
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#include "files.h"
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bool
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starter_netkey_init(void)
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{
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struct stat stb;
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if (stat(PROC_NETKEY, &stb) != 0)
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{
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/* af_key module makes the netkey proc interface visible */
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if (stat(PROC_MODULES, &stb) == 0)
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{
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ignore_result(system("modprobe -qv af_key"));
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}
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/* now test again */
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if (stat(PROC_NETKEY, &stb) != 0)
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{
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DBG(DBG_CONTROL,
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DBG_log("kernel appears to lack the native netkey IPsec stack")
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)
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return FALSE;
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}
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}
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/* make sure that all required IPsec modules are loaded */
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if (stat(PROC_MODULES, &stb) == 0)
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{
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ignore_result(system("modprobe -qv ah4"));
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ignore_result(system("modprobe -qv esp4"));
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ignore_result(system("modprobe -qv ipcomp"));
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ignore_result(system("modprobe -qv xfrm4_tunnel"));
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ignore_result(system("modprobe -qv xfrm_user"));
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}
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DBG(DBG_CONTROL,
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DBG_log("Found netkey IPsec stack")
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)
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return TRUE;
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}
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void
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starter_netkey_cleanup(void)
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{
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if (system("ip xfrm state > /dev/null 2>&1") == 0)
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{
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ignore_result(system("ip xfrm state flush"));
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ignore_result(system("ip xfrm policy flush"));
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}
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else if (system("type setkey > /dev/null 2>&1") == 0)
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{
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ignore_result(system("setkey -F"));
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ignore_result(system("setkey -FP"));
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}
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else
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{
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plog("WARNING: cannot flush IPsec state/policy database");
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}
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}
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