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/*
* Definitions relevant to IPSEC transformations
* Copyright (C) 1996, 1997 John Ioannidis.
* Copyright (C) 1998, 1999, 2000, 2001 Richard Guy Briggs.
*
* 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.
*
* RCSID $Id: ipsec_xform.h 3265 2007-10-08 19:52:55Z andreas $
*/
#ifndef _IPSEC_XFORM_H_
#include <freeswan.h>
#include "ipsec_policy.h"
#define XF_NONE 0 /* No transform set */
#define XF_IP4 1 /* IPv4 inside IPv4 */
#define XF_AHMD5 2 /* AH MD5 */
#define XF_AHSHA 3 /* AH SHA */
#define XF_ESP3DES 5 /* ESP DES3-CBC */
#define XF_AHHMACMD5 6 /* AH-HMAC-MD5 with opt replay prot */
#define XF_AHHMACSHA1 7 /* AH-HMAC-SHA1 with opt replay prot */
#define XF_ESP3DESMD5 9 /* triple DES, HMAC-MD-5, 128-bits of authentication */
#define XF_ESP3DESMD596 10 /* triple DES, HMAC-MD-5, 96-bits of authentication */
#define XF_ESPNULLMD596 12 /* NULL, HMAC-MD-5 with 96-bits of authentication */
#define XF_ESPNULLSHA196 13 /* NULL, HMAC-SHA-1 with 96-bits of authentication */
#define XF_ESP3DESSHA196 14 /* triple DES, HMAC-SHA-1, 96-bits of authentication */
#define XF_IP6 15 /* IPv6 inside IPv6 */
#define XF_COMPDEFLATE 16 /* IPCOMP deflate */
#define XF_CLR 126 /* Clear SA table */
#define XF_DEL 127 /* Delete SA */
#define XFT_AUTH 0x0001
#define XFT_CONF 0x0100
/* available if CONFIG_IPSEC_DEBUG is defined */
#define DB_XF_INIT 0x0001
#define PROTO2TXT(x) \
(x) == IPPROTO_AH ? "AH" : \
(x) == IPPROTO_ESP ? "ESP" : \
(x) == IPPROTO_IPIP ? "IPIP" : \
(x) == IPPROTO_COMP ? "COMP" : \
"UNKNOWN_proto"
static inline const char *enc_name_id (unsigned id) {
static char buf[16];
snprintf(buf, sizeof(buf), "_ID%d", id);
return buf;
}
static inline const char *auth_name_id (unsigned id) {
static char buf[16];
snprintf(buf, sizeof(buf), "_ID%d", id);
return buf;
}
#define IPS_XFORM_NAME(x) \
PROTO2TXT((x)->ips_said.proto), \
(x)->ips_said.proto == IPPROTO_COMP ? \
((x)->ips_encalg == SADB_X_CALG_DEFLATE ? \
"_DEFLATE" : "_UNKNOWN_comp") : \
(x)->ips_encalg == ESP_NONE ? "" : \
(x)->ips_encalg == ESP_3DES ? "_3DES" : \
(x)->ips_encalg == ESP_AES ? "_AES" : \
(x)->ips_encalg == ESP_SERPENT ? "_SERPENT" : \
(x)->ips_encalg == ESP_TWOFISH ? "_TWOFISH" : \
enc_name_id(x->ips_encalg)/* "_UNKNOWN_encr" */, \
(x)->ips_authalg == AH_NONE ? "" : \
(x)->ips_authalg == AH_MD5 ? "_HMAC_MD5" : \
(x)->ips_authalg == AH_SHA ? "_HMAC_SHA1" : \
(x)->ips_authalg == AH_SHA2_256 ? "_HMAC_SHA2_256" : \
(x)->ips_authalg == AH_SHA2_384 ? "_HMAC_SHA2_384" : \
(x)->ips_authalg == AH_SHA2_512 ? "_HMAC_SHA2_512" : \
auth_name_id(x->ips_authalg) /* "_UNKNOWN_auth" */ \
#define _IPSEC_XFORM_H_
#endif /* _IPSEC_XFORM_H_ */
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