ipsec_init.c

ipsec vpn

	error |= ipsec_sadb_free();

	KLIPS_PRINT(debug_netlink, /* debug_tunnel & DB_TN_INIT, */
		    "klips_debug:ipsec_cleanup: "
		    "calling ipsec_radijcleanup.\n");
	error |= ipsec_radijcleanup();
	
	KLIPS_PRINT(debug_pfkey, /* debug_tunnel & DB_TN_INIT, */
		    "klips_debug:ipsec_cleanup: "
		    "calling pfkey_cleanup.\n");
	error |= pfkey_cleanup();

	ipsec_proc_cleanup();

	prng_final(&ipsec_prng);

	return error;
}

#ifdef MODULE
int
init_module(void)
{
	int error = 0;

	error |= ipsec_klips_init();

	return error;
}

void
cleanup_module(void)
{
	KLIPS_PRINT(debug_netlink, /* debug_tunnel & DB_TN_INIT, */
		    "klips_debug:cleanup_module: "
		    "calling ipsec_cleanup.\n");

	ipsec_cleanup();

	KLIPS_PRINT(1, "klips_info:cleanup_module: "
		    "ipsec module unloaded.\n");
}
#endif /* MODULE */

/*
 * $Log: ipsec_init.c,v $
 * Revision 1.104.2.1  2005/08/12 01:18:20  ken
 * Warn people who don't have NAT-T patch applied, but try and compile NAT-T code
 *
 * Revision 1.105  2005/08/12 00:56:33  mcr
 * 	add warning for people who didn't apply nat-t patch.
 *
 * Revision 1.104  2005/07/08 15:51:41  mcr
 * 	removed duplicate NAT-T code.
 * 	if CONFIG_IPSEC_NAT_TRAVERSAL isn't defined, then there is no issue.
 *
 * Revision 1.103  2005/07/08 03:02:05  paul
 * Fixed garbled define that accidentally got commited to the real tree.
 *
 * Revision 1.102  2005/07/08 02:56:37  paul
 * gcc4 fixes that were not commited because vault was down
 *
 * Revision 1.101  2005/04/29 05:10:22  mcr
 * 	removed from extraenous includes to make unit testing easier.
 *
 * Revision 1.100  2005/04/10 22:56:09  mcr
 * 	change to udp.c registration API.
 *
 * Revision 1.99  2005/04/08 18:26:13  mcr
 * 	register with udp.c, the klips26 encap receive function
 *
 * Revision 1.98  2004/09/13 02:23:18  mcr
 * 	#define inet_protocol if necessary.
 *
 * Revision 1.97  2004/09/06 18:35:49  mcr
 * 	2.6.8.1 gets rid of inet_protocol->net_protocol compatibility,
 * 	so adjust for that.
 *
 * Revision 1.96  2004/08/17 03:27:23  mcr
 * 	klips 2.6 edits.
 *
 * Revision 1.95  2004/08/03 18:19:08  mcr
 * 	in 2.6, use "net_device" instead of #define device->net_device.
 * 	this probably breaks 2.0 compiles.
 *
 * Revision 1.94  2004/07/10 19:11:18  mcr
 * 	CONFIG_IPSEC -> CONFIG_KLIPS.
 *
 * Revision 1.93  2004/04/06 02:49:26  mcr
 * 	pullup of algo code from alg-branch.
 *
 * Revision 1.92  2004/03/30 15:30:39  ken
 * Proper Capitalization
 *
 * Revision 1.91  2004/03/22 01:51:51  ken
 * We are open
 *
 * Revision 1.90.4.2  2004/04/05 04:30:46  mcr
 * 	patches for alg-branch to compile/work with 2.x openswan
 *
 * Revision 1.90.4.1  2003/12/22 15:25:52  jjo
 *      Merged algo-0.8.1-rc11-test1 into alg-branch
 *
 * Revision 1.90  2003/10/31 02:27:55  mcr
 * 	pulled up port-selector patches and sa_id elimination.
 *
 * Revision 1.89.4.1  2003/10/29 01:30:41  mcr
 * 	elimited "struct sa_id".
 *
 * Revision 1.89  2003/07/31 22:47:16  mcr
 * 	preliminary (untested by FS-team) 2.5 patches.
 *
 * Revision 1.88  2003/06/22 20:05:36  mcr
 * 	clarified why IPCOMP was not being registered, and put a new
 * 	#ifdef in rather than #if 0.
 *
 * Revision 1.87  2002/09/20 15:40:51  rgb
 * Added a lock to the global ipsec_sadb struct for future use.
 * Split ipsec_sadb_cleanup from new funciton ipsec_sadb_free to avoid problem
 * of freeing newly created structures when clearing the reftable upon startup
 * to start from a known state.
 *
 * Revision 1.86  2002/08/15 18:39:15  rgb
 * Move ipsec_prng outside debug code.
 *
 * Revision 1.85  2002/05/14 02:35:29  rgb
 * Change reference to tdb to ipsa.
 *
 * Revision 1.84  2002/04/24 07:55:32  mcr
 * 	#include patches and Makefiles for post-reorg compilation.
 *
 * Revision 1.83  2002/04/24 07:36:28  mcr
 * Moved from ./klips/net/ipsec/ipsec_init.c,v
 *
 * Revision 1.82  2002/04/20 00:12:25  rgb
 * Added esp IV CBC attack fix, disabled.
 *
 * Revision 1.81  2002/04/09 16:13:32  mcr
 * 	switch license to straight GPL.
 *
 * Revision 1.80  2002/03/24 07:34:08  rgb
 * Sanity check for at least one of AH or ESP configured.
 *
 * Revision 1.79  2002/02/05 22:55:15  mcr
 * 	added MODULE_LICENSE declaration.
 * 	This macro does not appear in all kernel versions (see comment).
 *
 * Revision 1.78  2002/01/29 17:17:55  mcr
 * 	moved include of ipsec_param.h to after include of linux/kernel.h
 * 	otherwise, it seems that some option that is set in ipsec_param.h
 * 	screws up something subtle in the include path to kernel.h, and
 * 	it complains on the snprintf() prototype.
 *
 * Revision 1.77  2002/01/29 04:00:51  mcr
 * 	more excise of kversions.h header.
 *
 * Revision 1.76  2002/01/29 02:13:17  mcr
 * 	introduction of ipsec_kversion.h means that include of
 * 	ipsec_param.h must preceed any decisions about what files to
 * 	include to deal with differences in kernel source.
 *
 * Revision 1.75  2001/11/26 09:23:48  rgb
 * Merge MCR's ipsec_sa, eroute, proc and struct lifetime changes.
 *
 * Revision 1.74  2001/11/22 05:44:11  henry
 * new version stuff
 *
 * Revision 1.71.2.2  2001/10/22 20:51:00  mcr
 * 	explicitely set des_check_key.
 *
 * Revision 1.71.2.1  2001/09/25 02:19:39  mcr
 * 	/proc manipulation code moved to new ipsec_proc.c
 *
 * Revision 1.73  2001/11/06 19:47:17  rgb
 * Changed lifetime_packets to uint32 from uint64.
 *
 * Revision 1.72  2001/10/18 04:45:19  rgb
 * 2.4.9 kernel deprecates linux/malloc.h in favour of linux/slab.h,
 * lib/freeswan.h version macros moved to lib/kversions.h.
 * Other compiler directive cleanups.
 *
 * Revision 1.71  2001/09/20 15:32:45  rgb
 * Minor pfkey lifetime fixes.
 *
 * Revision 1.70  2001/07/06 19:51:21  rgb
 * Added inbound policy checking code for IPIP SAs.
 *
 * Revision 1.69  2001/06/14 19:33:26  rgb
 * Silence startup message for console, but allow it to be logged.
 * Update copyright date.
 *
 * Revision 1.68  2001/05/29 05:14:36  rgb
 * Added PMTU to /proc/net/ipsec_tncfg output.  See 'man 5 ipsec_tncfg'.
 *
 * Revision 1.67  2001/05/04 16:34:52  rgb
 * Rremove erroneous checking of return codes for proc_net_* in 2.4.
 *
 * Revision 1.66  2001/05/03 19:40:34  rgb
 * Check error return codes in startup and shutdown.
 *
 * Revision 1.65  2001/02/28 05:03:27  rgb
 * Clean up and rationalise startup messages.
 *
 * Revision 1.64  2001/02/27 22:24:53  rgb
 * Re-formatting debug output (line-splitting, joining, 1arg/line).
 * Check for satoa() return codes.
 *
 * Revision 1.63  2000/11/29 20:14:06  rgb
 * Add src= to the output of /proc/net/ipsec_spi and delete dst from IPIP.
 *
 * Revision 1.62  2000/11/06 04:31:24  rgb
 * Ditched spin_lock_irqsave in favour of spin_lock_bh.
 * Fixed longlong for pre-2.4 kernels (Svenning).
 * Add Svenning's adaptive content compression.
 * Disabled registration of ipcomp handler.
 *
 * Revision 1.61  2000/10/11 13:37:54  rgb
 * #ifdef out debug print that causes proc/net/ipsec_version to oops.
 *
 * Revision 1.60  2000/09/20 03:59:01  rgb
 * Change static info functions to DEBUG_NO_STATIC to reveal function names
 * in oopsen.
 *
 * Revision 1.59  2000/09/16 01:06:26  rgb
 * Added cast of var to silence compiler warning about long fed to int
 * format.
 *
 * Revision 1.58  2000/09/15 11:37:01  rgb
 * Merge in heavily modified Svenning Soerensen's <[e-mail]>
 * IPCOMP zlib deflate code.
 *
 * Revision 1.57  2000/09/12 03:21:50  rgb
 * Moved radij_c_version printing to ipsec_version_get_info().
 * Reformatted ipsec_version_get_info().
 * Added sysctl_{,un}register() calls.
 *
 * Revision 1.56  2000/09/08 19:16:50  rgb
 * Change references from DEBUG_IPSEC to CONFIG_IPSEC_DEBUG.
 * Removed all references to CONFIG_IPSEC_PFKEYv2.
 *
 * Revision 1.55  2000/08/30 05:19:03  rgb
 * Cleaned up no longer used spi_next, netlink register/unregister, other
 * minor cleanup.
 * Removed cruft replaced by TDB_XFORM_NAME.
 * Removed all the rest of the references to tdb_spi, tdb_proto, tdb_dst.
 * Moved debug version strings to printk when /proc/net/ipsec_version is
 * called.
 *
 * Revision 1.54  2000/08/20 18:31:05  rgb
 * Changed cosmetic alignment in spi_info.
 * Changed addtime and usetime to use actual value which is relative
 * anyways, as intended. (Momchil)
 *
 * Revision 1.53  2000/08/18 17:37:03  rgb
 * Added an (int) cast to shut up the compiler...
 *
 * Revision 1.52  2000/08/01 14:51:50  rgb
 * Removed _all_ remaining traces of DES.
 *
 * Revision 1.51  2000/07/25 20:41:22  rgb
 * Removed duplicate parameter in spi_getinfo.
 *
 * Revision 1.50  2000/07/17 03:21:45  rgb
 * Removed /proc/net/ipsec_spinew.
 *
 * Revision 1.49  2000/06/28 05:46:51  rgb
 * Renamed ivlen to iv_bits for consistency.
 * Changed output of add and use times to be relative to now.
 *
 * Revision 1.48  2000/05/11 18:26:10  rgb
 * Commented out calls to netlink_attach/detach to avoid activating netlink
 * in the kenrel config.
 *
 * Revision 1.47  2000/05/10 22:35:26  rgb
 * Comment out most of the startup version information.
 *
 * Revision 1.46  2000/03/22 16:15:36  rgb
 * Fixed renaming of dev_get (MB).
 *
 * Revision 1.45  2000/03/16 06:40:48  rgb
 * Hardcode PF_KEYv2 support.
 *
 * Revision 1.44  2000/01/22 23:19:20  rgb
 * Simplified code to use existing macro TDB_XFORM_NAME().
 *
 * Revision 1.43  2000/01/21 06:14:04  rgb
 * Print individual stats only if non-zero.
 * Removed 'bits' from each keylength for brevity.
 * Shortened lifetimes legend for brevity.
 * Changed wording from 'last_used' to the clearer 'idle'.
 *
 * Revision 1.42  1999/12/31 14:57:19  rgb
 * MB fix for new dummy-less proc_get_info in 2.3.35.
 *
 *
 * Local variables:
 * c-file-style: "linux"
 * End:
 *
 */