linux/include/freeswan/ipsec_rcv.h

   1 /*
   2  *
   3  * Copyright (C) 1996, 1997  John Ioannidis.
   4  * Copyright (C) 1998, 1999, 2000, 2001  Richard Guy Briggs.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2 of the License, or (at your
   9  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * for more details.
  15  *
  16  * RCSID $Id: ipsec_rcv.h,v 1.1 2004/03/15 20:35:25 as Exp $
  17  */
  18
  19 #define DB_RX_PKTRX     0x0001
  20 #define DB_RX_PKTRX2    0x0002
  21 #define DB_RX_DMP       0x0004
  22 #define DB_RX_IPSA      0x0010
  23 #define DB_RX_XF        0x0020
  24 #define DB_RX_IPAD      0x0040
  25 #define DB_RX_INAU      0x0080
  26 #define DB_RX_OINFO     0x0100
  27 #define DB_RX_OINFO2    0x0200
  28 #define DB_RX_OH        0x0400
  29 #define DB_RX_REPLAY    0x0800
  30
  31 #ifdef __KERNEL__
  32 /* struct options; */
  33
  34 #define __NO_VERSION__
  35 #include <linux/module.h>
  36 #include <linux/config.h>       /* for CONFIG_IP_FORWARD */
  37 #include <linux/version.h>
  38 #include <freeswan.h>
  39
  40 #define IPSEC_BIRTH_TEMPLATE_MAXLEN 256
  41
  42 struct ipsec_birth_reply {
  43   int            packet_template_len;
  44   unsigned char  packet_template[IPSEC_BIRTH_TEMPLATE_MAXLEN];
  45 };
  46
  47 extern struct ipsec_birth_reply ipsec_ipv4_birth_packet;
  48 extern struct ipsec_birth_reply ipsec_ipv6_birth_packet;
  49
  50 extern int
  51 #ifdef PROTO_HANDLER_SINGLE_PARM
  52 ipsec_rcv(struct sk_buff *skb);
  53 #else /* PROTO_HANDLER_SINGLE_PARM */
  54 ipsec_rcv(struct sk_buff *skb,
  55 #ifdef NET_21
  56           unsigned short xlen);
  57 #else /* NET_21 */
  58           struct device *dev,
  59           struct options *opt,
  60           __u32 daddr,
  61           unsigned short len,
  62           __u32 saddr,
  63           int redo,
  64           struct inet_protocol *protocol);
  65 #endif /* NET_21 */
  66 #endif /* PROTO_HANDLER_SINGLE_PARM */
  67
  68 #ifdef CONFIG_IPSEC_DEBUG
  69 extern int debug_rcv;
  70 #endif /* CONFIG_IPSEC_DEBUG */
  71 extern int sysctl_ipsec_inbound_policy_check;
  72 #endif /* __KERNEL__ */
  73
  74 /*
  75  * $Log: ipsec_rcv.h,v $
  76  * Revision 1.1  2004/03/15 20:35:25  as
  77  * added files from freeswan-2.04-x509-1.5.3
  78  *
  79  * Revision 1.17  2002/09/03 16:32:32  mcr
  80  *      definitions of ipsec_birth_reply.
  81  *
  82  * Revision 1.16  2002/05/14 02:36:00  rgb
  83  * Change references to _TDB to _IPSA.
  84  *
  85  * Revision 1.15  2002/04/24 07:36:47  mcr
  86  * Moved from ./klips/net/ipsec/ipsec_rcv.h,v
  87  *
  88  * Revision 1.14  2001/09/07 22:15:48  rgb
  89  * Fix for removal of transport layer protocol handler arg in 2.4.4.
  90  *
  91  * Revision 1.13  2001/06/14 19:35:09  rgb
  92  * Update copyright date.
  93  *
  94  * Revision 1.12  2001/03/16 07:36:44  rgb
  95  * Fixed #endif comment to sate compiler.
  96  *
  97  * Revision 1.11  2000/09/21 04:34:21  rgb
  98  * Moved declaration of sysctl_ipsec_inbound_policy_check outside
  99  * CONFIG_IPSEC_DEBUG. (MB)
 100  *
 101  * Revision 1.10  2000/09/18 02:36:10  rgb
 102  * Exported sysctl_ipsec_inbound_policy_check for skb_decompress().
 103  *
 104  * Revision 1.9  2000/09/08 19:12:56  rgb
 105  * Change references from DEBUG_IPSEC to CONFIG_IPSEC_DEBUG.
 106  *
 107  * Revision 1.8  1999/11/18 04:09:19  rgb
 108  * Replaced all kernel version macros to shorter, readable form.
 109  *
 110  * Revision 1.7  1999/05/25 01:45:37  rgb
 111  * Fix version macros for 2.0.x as a module.
 112  *
 113  * Revision 1.6  1999/05/08 21:24:27  rgb
 114  * Add includes for 2.2.x include into net/ipv4/protocol.c
 115  *
 116  * Revision 1.5  1999/05/05 22:02:32  rgb
 117  * Add a quick and dirty port to 2.2 kernels by Marc Boucher <marc@mbsi.ca>.
 118  *
 119  * Revision 1.4  1999/04/11 00:28:59  henry
 120  * GPL boilerplate
 121  *
 122  * Revision 1.3  1999/04/06 04:54:27  rgb
 123  * Fix/Add RCSID Id: and Log: bits to make PHMDs happy.  This includes
 124  * patch shell fixes.
 125  *
 126  * Revision 1.2  1999/01/22 20:06:59  rgb
 127  * Fixed cut-and-paste error from ipsec_esp.h.
 128  *
 129  * Revision 1.1  1999/01/21 20:29:12  rgb
 130  * Converted from transform switching to algorithm switching.
 131  *
 132  * Log: ipsec_esp.h,v
 133  * Revision 1.4  1998/08/12 00:07:32  rgb
 134  * Added data structures for new xforms: null, {,3}dessha1.
 135  *
 136  * Revision 1.3  1998/07/14 15:57:01  rgb
 137  * Add #ifdef __KERNEL__ to protect kernel-only structures.
 138  *
 139  * Revision 1.2  1998/06/25 19:33:46  rgb
 140  * Add prototype for protocol receive function.
 141  * Rearrange for more logical layout.
 142  *
 143  * Revision 1.1  1998/06/18 21:27:45  henry
 144  * move sources from klips/src to klips/net/ipsec, to keep stupid
 145  * kernel-build scripts happier in the presence of symlinks
 146  *
 147  * Revision 1.6  1998/06/05 02:28:08  rgb
 148  * Minor comment fix.
 149  *
 150  * Revision 1.5  1998/05/27 22:34:00  rgb
 151  * Changed structures to accomodate key separation.
 152  *
 153  * Revision 1.4  1998/05/18 22:28:43  rgb
 154  * Disable key printing facilities from /proc/net/ipsec_*.
 155  *
 156  * Revision 1.3  1998/04/21 21:29:07  rgb
 157  * Rearrange debug switches to change on the fly debug output from user
 158  * space.  Only kernel changes checked in at this time.  radij.c was also
 159  * changed to temporarily remove buggy debugging code in rj_delete causing
 160  * an OOPS and hence, netlink device open errors.
 161  *
 162  * Revision 1.2  1998/04/12 22:03:20  rgb
 163  * Updated ESP-3DES-HMAC-MD5-96,
 164  *      ESP-DES-HMAC-MD5-96,
 165  *      AH-HMAC-MD5-96,
 166  *      AH-HMAC-SHA1-96 since Henry started freeswan cvs repository
 167  * from old standards (RFC182[5-9] to new (as of March 1998) drafts.
 168  *
 169  * Fixed eroute references in /proc/net/ipsec*.
 170  *
 171  * Started to patch module unloading memory leaks in ipsec_netlink and
 172  * radij tree unloading.
 173  *
 174  * Revision 1.1  1998/04/09 03:06:00  henry
 175  * sources moved up from linux/net/ipsec
 176  *
 177  * Revision 1.1.1.1  1998/04/08 05:35:02  henry
 178  * RGB's ipsec-0.8pre2.tar.gz ipsec-0.8
 179  *
 180  * Revision 0.5  1997/06/03 04:24:48  ji
 181  * Added ESP-3DES-MD5-96 transform.
 182  *
 183  * Revision 0.4  1997/01/15 01:28:15  ji
 184  * Added definitions for new ESP transforms.
 185  *
 186  * Revision 0.3  1996/11/20 14:35:48  ji
 187  * Minor Cleanup.
 188  * Rationalized debugging code.
 189  *
 190  * Revision 0.2  1996/11/02 00:18:33  ji
 191  * First limited release.
 192  *
 193  *
 194  */
 195
 196