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Diffstat (limited to 'src/libfreeswan/ipsec_xform.h')
| -rw-r--r-- | src/libfreeswan/ipsec_xform.h | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/src/libfreeswan/ipsec_xform.h b/src/libfreeswan/ipsec_xform.h new file mode 100644 index 000000000..1dc6b6083 --- /dev/null +++ b/src/libfreeswan/ipsec_xform.h @@ -0,0 +1,274 @@ +/* + * 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,v 1.3 2004/09/29 22:26:13 as Exp $ + */ + +#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_ */ + +/* + * $Log: ipsec_xform.h,v $ + * Revision 1.3 2004/09/29 22:26:13 as + * included ipsec_policy.h + * + * Revision 1.2 2004/03/22 21:53:18 as + * merged alg-0.8.1 branch with HEAD + * + * Revision 1.1.4.1 2004/03/16 09:48:18 as + * alg-0.8.1rc12 patch merged + * + * Revision 1.1 2004/03/15 20:35:25 as + * added files from freeswan-2.04-x509-1.5.3 + * + * Revision 1.36 2002/04/24 07:36:48 mcr + * Moved from ./klips/net/ipsec/ipsec_xform.h,v + * + * Revision 1.35 2001/11/26 09:23:51 rgb + * Merge MCR's ipsec_sa, eroute, proc and struct lifetime changes. + * + * Revision 1.33.2.1 2001/09/25 02:24:58 mcr + * struct tdb -> struct ipsec_sa. + * sa(tdb) manipulation functions renamed and moved to ipsec_sa.c + * ipsec_xform.c removed. header file still contains useful things. + * + * Revision 1.34 2001/11/06 19:47:17 rgb + * Changed lifetime_packets to uint32 from uint64. + * + * Revision 1.33 2001/09/08 21:13:34 rgb + * Added pfkey ident extension support for ISAKMPd. (NetCelo) + * + * Revision 1.32 2001/07/06 07:40:01 rgb + * Reformatted for readability. + * Added inbound policy checking fields for use with IPIP SAs. + * + * Revision 1.31 2001/06/14 19:35:11 rgb + * Update copyright date. + * + * Revision 1.30 2001/05/30 08:14:03 rgb + * Removed vestiges of esp-null transforms. + * + * Revision 1.29 2001/01/30 23:42:47 rgb + * Allow pfkey msgs from pid other than user context required for ACQUIRE + * and subsequent ADD or UDATE. + * + * Revision 1.28 2000/11/06 04:30:40 rgb + * Add Svenning's adaptive content compression. + * + * Revision 1.27 2000/09/19 00:38:25 rgb + * Fixed algorithm name bugs introduced for ipcomp. + * + * Revision 1.26 2000/09/17 21:36:48 rgb + * Added proto2txt macro. + * + * Revision 1.25 2000/09/17 18:56:47 rgb + * Added IPCOMP support. + * + * Revision 1.24 2000/09/12 19:34:12 rgb + * Defined XF_IP6 from Gerhard for ipv6 tunnel support. + * + * Revision 1.23 2000/09/12 03:23:14 rgb + * Cleaned out now unused tdb_xform and tdb_xdata members of struct tdb. + * + * Revision 1.22 2000/09/08 19:12:56 rgb + * Change references from DEBUG_IPSEC to CONFIG_IPSEC_DEBUG. + * + * Revision 1.21 2000/09/01 18:32:43 rgb + * Added (disabled) sensitivity members to tdb struct. + * + * Revision 1.20 2000/08/30 05:31:01 rgb + * Removed all the rest of the references to tdb_spi, tdb_proto, tdb_dst. + * Kill remainder of tdb_xform, tdb_xdata, xformsw. + * + * Revision 1.19 2000/08/01 14:51:52 rgb + * Removed _all_ remaining traces of DES. + * + * Revision 1.18 2000/01/21 06:17:45 rgb + * Tidied up spacing. + * + * Revision 1.17 1999/11/17 15:53:40 rgb + * Changed all occurrences of #include "../../../lib/freeswan.h" + * to #include <freeswan.h> which works due to -Ilibfreeswan in the + * klips/net/ipsec/Makefile. + * + * Revision 1.16 1999/10/16 04:23:07 rgb + * Add stats for replaywin_errs, replaywin_max_sequence_difference, + * authentication errors, encryption size errors, encryption padding + * errors, and time since last packet. + * + * Revision 1.15 1999/10/16 00:29:11 rgb + * Added SA lifetime packet counting variables. + * + * Revision 1.14 1999/10/01 00:04:14 rgb + * Added tdb structure locking. + * Add function to initialize tdb hash table. + * + * Revision 1.13 1999/04/29 15:20:57 rgb + * dd return values to init and cleanup functions. + * Eliminate unnessessary usage of tdb_xform member to further switch + * away from the transform switch to the algorithm switch. + * Change gettdb parameter to a pointer to reduce stack loading and + * facilitate parameter sanity checking. + * Add a parameter to tdbcleanup to be able to delete a class of SAs. + * + * Revision 1.12 1999/04/15 15:37:25 rgb + * Forward check changes from POST1_00 branch. + * + * Revision 1.9.2.2 1999/04/13 20:35:57 rgb + * Fix spelling mistake in comment. + * + * Revision 1.9.2.1 1999/03/30 17:13:52 rgb + * Extend struct tdb to support pfkey. + * + * Revision 1.11 1999/04/11 00:29:01 henry + * GPL boilerplate + * + * Revision 1.10 1999/04/06 04:54:28 rgb + * Fix/Add RCSID Id: and Log: bits to make PHMDs happy. This includes + * patch shell fixes. + * + * Revision 1.9 1999/01/26 02:09:31 rgb + * Removed CONFIG_IPSEC_ALGO_SWITCH macro. + * Removed dead code. + * + * Revision 1.8 1999/01/22 06:29:35 rgb + * Added algorithm switch code. + * Cruft clean-out. + * + * Revision 1.7 1998/11/10 05:37:35 rgb + * Add support for SA direction flag. + * + * Revision 1.6 1998/10/19 14:44:29 rgb + * Added inclusion of freeswan.h. + * sa_id structure implemented and used: now includes protocol. + * + * Revision 1.5 1998/08/12 00:12:30 rgb + * Added macros for new xforms. Added prototypes for new xforms. + * + * Revision 1.4 1998/07/28 00:04:20 rgb + * Add macro for clearing the SA table. + * + * Revision 1.3 1998/07/14 18:06:46 rgb + * Added #ifdef __KERNEL__ directives to restrict scope of header. + * + * Revision 1.2 1998/06/23 03:02:19 rgb + * Created a prototype for ipsec_tdbcleanup when it was moved from + * ipsec_init.c. + * + * Revision 1.1 1998/06/18 21:27:51 henry + * move sources from klips/src to klips/net/ipsec, to keep stupid + * kernel-build scripts happier in the presence of symlinks + * + * Revision 1.4 1998/06/11 05:55:31 rgb + * Added transform version string pointer to xformsw structure definition. + * Added extern declarations for transform version strings. + * + * Revision 1.3 1998/05/18 22:02:54 rgb + * Modify the *_zeroize function prototypes to include one parameter. + * + * Revision 1.2 1998/04/21 21:29:08 rgb + * Rearrange debug switches to change on the fly debug output from user + * space. Only kernel changes checked in at this time. radij.c was also + * changed to temporarily remove buggy debugging code in rj_delete causing + * an OOPS and hence, netlink device open errors. + * + * Revision 1.1 1998/04/09 03:06:14 henry + * sources moved up from linux/net/ipsec + * + * Revision 1.1.1.1 1998/04/08 05:35:06 henry + * RGB's ipsec-0.8pre2.tar.gz ipsec-0.8 + * + * Revision 0.5 1997/06/03 04:24:48 ji + * Added ESP-3DES-MD5-96 + * + * Revision 0.4 1997/01/15 01:28:15 ji + * Added new transforms. + * + * Revision 0.3 1996/11/20 14:39:04 ji + * Minor cleanups. + * Rationalized debugging code. + * + * Revision 0.2 1996/11/02 00:18:33 ji + * First limited release. + * + * Local variables: + * c-file-style: "linux" + * End: + * + */ |