diff options
Diffstat (limited to 'programs/pluto/vendor.c')
| -rw-r--r-- | programs/pluto/vendor.c | 521 |
1 files changed, 0 insertions, 521 deletions
diff --git a/programs/pluto/vendor.c b/programs/pluto/vendor.c deleted file mode 100644 index 6d1137c09..000000000 --- a/programs/pluto/vendor.c +++ /dev/null @@ -1,521 +0,0 @@ -/* ISAKMP VendorID - * Copyright (C) 2002-2005 Mathieu Lafon - Arkoon Network Security - * - * 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: vendor.c,v 1.46 2007/02/21 14:20:25 as Exp $ - */ - -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <sys/queue.h> -#include <freeswan.h> - -#include "constants.h" -#include "defs.h" -#include "log.h" -#include "md5.h" -#include "connections.h" -#include "packet.h" -#include "demux.h" -#include "whack.h" -#include "vendor.h" -#include "kernel.h" - -#ifdef NAT_TRAVERSAL -#include "nat_traversal.h" -#endif - -/** - * Unknown/Special VID: - * - * SafeNet SoftRemote 8.0.0: - * 47bbe7c993f1fc13b4e6d0db565c68e5010201010201010310382e302e3020284275696c6420313029000000 - * >> 382e302e3020284275696c6420313029 = '8.0.0 (Build 10)' - * da8e937880010000 - * - * SafeNet SoftRemote 9.0.1 - * 47bbe7c993f1fc13b4e6d0db565c68e5010201010201010310392e302e3120284275696c6420313229000000 - * >> 392e302e3120284275696c6420313229 = '9.0.1 (Build 12)' - * da8e937880010000 - * - * Netscreen: - * d6b45f82f24bacb288af59a978830ab7 - * cf49908791073fb46439790fdeb6aeed981101ab0000000500000300 - * - * Cisco: - * 1f07f70eaa6514d3b0fa96542a500300 (VPN 3000 version 3.0.0) - * 1f07f70eaa6514d3b0fa96542a500301 (VPN 3000 version 3.0.1) - * 1f07f70eaa6514d3b0fa96542a500305 (VPN 3000 version 3.0.5) - * 1f07f70eaa6514d3b0fa96542a500407 (VPN 3000 version 4.0.7) - * (Can you see the pattern?) - * afcad71368a1f1c96b8696fc77570100 (Non-RFC Dead Peer Detection ?) - * c32364b3b4f447eb17c488ab2a480a57 - * 6d761ddc26aceca1b0ed11fabbb860c4 - * 5946c258f99a1a57b03eb9d1759e0f24 (From a Cisco VPN 3k) - * ebbc5b00141d0c895e11bd395902d690 (From a Cisco VPN 3k) - * - * Microsoft L2TP (???): - * 47bbe7c993f1fc13b4e6d0db565c68e5010201010201010310382e312e3020284275696c6420313029000000 - * >> 382e312e3020284275696c6420313029 = '8.1.0 (Build 10)' - * 3025dbd21062b9e53dc441c6aab5293600000000 - * da8e937880010000 - * - * 3COM-superstack - * da8e937880010000 - * 404bf439522ca3f6 - * - - * If someone know what they mean, mail me. - */ - -#define MAX_LOG_VID_LEN 32 - -#define VID_KEEP 0x0000 -#define VID_MD5HASH 0x0001 -#define VID_STRING 0x0002 -#define VID_FSWAN_HASH 0x0004 - -#define VID_SUBSTRING_DUMPHEXA 0x0100 -#define VID_SUBSTRING_DUMPASCII 0x0200 -#define VID_SUBSTRING_MATCH 0x0400 -#define VID_SUBSTRING (VID_SUBSTRING_DUMPHEXA | VID_SUBSTRING_DUMPASCII | VID_SUBSTRING_MATCH) - -struct vid_struct { - enum known_vendorid id; - unsigned short flags; - const char *data; - const char *descr; - const char *vid; - u_int vid_len; -}; - -#define DEC_MD5_VID_D(id,str,descr) \ - { VID_##id, VID_MD5HASH, str, descr, NULL, 0 }, -#define DEC_MD5_VID(id,str) \ - { VID_##id, VID_MD5HASH, str, NULL, NULL, 0 }, -#define DEC_FSWAN_VID(id,str,descr) \ - { VID_##id, VID_FSWAN_HASH, str, descr, NULL, 0 }, - -static struct vid_struct _vid_tab[] = { - - /* Implementation names */ - - { VID_OPENPGP, VID_STRING, "OpenPGP10171", "OpenPGP", NULL, 0 }, - - DEC_MD5_VID(KAME_RACOON, "KAME/racoon") - - { VID_MS_NT5, VID_MD5HASH | VID_SUBSTRING_DUMPHEXA, - "MS NT5 ISAKMPOAKLEY", NULL, NULL, 0 }, - - DEC_MD5_VID(SSH_SENTINEL, "SSH Sentinel") - DEC_MD5_VID(SSH_SENTINEL_1_1, "SSH Sentinel 1.1") - DEC_MD5_VID(SSH_SENTINEL_1_2, "SSH Sentinel 1.2") - DEC_MD5_VID(SSH_SENTINEL_1_3, "SSH Sentinel 1.3") - DEC_MD5_VID(SSH_SENTINEL_1_4, "SSH Sentinel 1.4") - DEC_MD5_VID(SSH_SENTINEL_1_4_1, "SSH Sentinel 1.4.1") - - /* These ones come from SSH vendors.txt */ - DEC_MD5_VID(SSH_IPSEC_1_1_0, - "Ssh Communications Security IPSEC Express version 1.1.0") - DEC_MD5_VID(SSH_IPSEC_1_1_1, - "Ssh Communications Security IPSEC Express version 1.1.1") - DEC_MD5_VID(SSH_IPSEC_1_1_2, - "Ssh Communications Security IPSEC Express version 1.1.2") - DEC_MD5_VID(SSH_IPSEC_1_2_1, - "Ssh Communications Security IPSEC Express version 1.2.1") - DEC_MD5_VID(SSH_IPSEC_1_2_2, - "Ssh Communications Security IPSEC Express version 1.2.2") - DEC_MD5_VID(SSH_IPSEC_2_0_0, - "SSH Communications Security IPSEC Express version 2.0.0") - DEC_MD5_VID(SSH_IPSEC_2_1_0, - "SSH Communications Security IPSEC Express version 2.1.0") - DEC_MD5_VID(SSH_IPSEC_2_1_1, - "SSH Communications Security IPSEC Express version 2.1.1") - DEC_MD5_VID(SSH_IPSEC_2_1_2, - "SSH Communications Security IPSEC Express version 2.1.2") - DEC_MD5_VID(SSH_IPSEC_3_0_0, - "SSH Communications Security IPSEC Express version 3.0.0") - DEC_MD5_VID(SSH_IPSEC_3_0_1, - "SSH Communications Security IPSEC Express version 3.0.1") - DEC_MD5_VID(SSH_IPSEC_4_0_0, - "SSH Communications Security IPSEC Express version 4.0.0") - DEC_MD5_VID(SSH_IPSEC_4_0_1, - "SSH Communications Security IPSEC Express version 4.0.1") - DEC_MD5_VID(SSH_IPSEC_4_1_0, - "SSH Communications Security IPSEC Express version 4.1.0") - DEC_MD5_VID(SSH_IPSEC_4_2_0, - "SSH Communications Security IPSEC Express version 4.2.0") - - /* note: md5('CISCO-UNITY') = 12f5f28c457168a9702d9fe274cc02d4 */ - { VID_CISCO_UNITY, VID_KEEP, NULL, "Cisco-Unity", - "\x12\xf5\xf2\x8c\x45\x71\x68\xa9\x70\x2d\x9f\xe2\x74\xcc\x01\x00", - 16 }, - - { VID_CISCO3K, VID_KEEP | VID_SUBSTRING_MATCH, - NULL, "Cisco VPN 3000 Series" , "\x1f\x07\xf7\x0e\xaa\x65\x14\xd3\xb0\xfa\x96\x54\x2a\x50", 14}, - - { VID_CISCO_IOS, VID_KEEP | VID_SUBSTRING_MATCH, - NULL, "Cisco IOS Device", "\x3e\x98\x40\x48", 4}, - - /* - * Timestep VID seen: - * - 54494d455354455020312053475720313532302033313520322e303145303133 - * = 'TIMESTEP 1 SGW 1520 315 2.01E013' - */ - { VID_TIMESTEP, VID_STRING | VID_SUBSTRING_DUMPASCII, "TIMESTEP", - NULL, NULL, 0 }, - - /* - * Netscreen: - * 4865617274426561745f4e6f74696679386b0100 (HeartBeat_Notify + 386b0100) - */ - { VID_MISC_HEARTBEAT_NOTIFY, VID_STRING | VID_SUBSTRING_DUMPHEXA, - "HeartBeat_Notify", "HeartBeat Notify", NULL, 0 }, - - /* - * MacOS X - */ - { VID_MACOSX, VID_STRING|VID_SUBSTRING_DUMPHEXA, "Mac OSX 10.x", - "\x4d\xf3\x79\x28\xe9\xfc\x4f\xd1\xb3\x26\x21\x70\xd5\x15\xc6\x62", NULL, 0}, - - /* - * Openswan - */ - DEC_FSWAN_VID(OPENSWAN2, "Openswan 2.2.0", "Openswan 2.2.0") - - /* NCP */ - { VID_NCP_SERVER, VID_KEEP | VID_SUBSTRING_MATCH, NULL, "NCP Server", - "\xc6\xf5\x7a\xc3\x98\xf4\x93\x20\x81\x45\xb7\x58", 12}, - { VID_NCP_CLIENT, VID_KEEP | VID_SUBSTRING_MATCH, NULL, "NCP Client", - "\xeb\x4c\x1b\x78\x8a\xfd\x4a\x9c\xb7\x73\x0a\x68", 12}, - /* - * strongSwan - */ - DEC_MD5_VID(STRONGSWAN_4_0_0, "strongSwan 4.0.0") - DEC_MD5_VID(STRONGSWAN_4_0_1, "strongSwan 4.0.1") - DEC_MD5_VID(STRONGSWAN_4_0_2, "strongSwan 4.0.2") - DEC_MD5_VID(STRONGSWAN_4_0_3, "strongSwan 4.0.3") - DEC_MD5_VID(STRONGSWAN_4_0_4, "strongSwan 4.0.4") - DEC_MD5_VID(STRONGSWAN_4_0_5, "strongSwan 4.0.5") - DEC_MD5_VID(STRONGSWAN_4_0_6, "strongSwan 4.0.6") - DEC_MD5_VID(STRONGSWAN_4_0_7, "strongSwan 4.0.7") - - DEC_MD5_VID(STRONGSWAN, "strongSwan 2.8.3") - DEC_MD5_VID(STRONGSWAN_2_8_2, "strongSwan 2.8.2") - DEC_MD5_VID(STRONGSWAN_2_8_1, "strongSwan 2.8.1") - DEC_MD5_VID(STRONGSWAN_2_8_0, "strongSwan 2.8.0") - DEC_MD5_VID(STRONGSWAN_2_7_3, "strongSwan 2.7.3") - DEC_MD5_VID(STRONGSWAN_2_7_2, "strongSwan 2.7.2") - DEC_MD5_VID(STRONGSWAN_2_7_1, "strongSwan 2.7.1") - DEC_MD5_VID(STRONGSWAN_2_7_0, "strongSwan 2.7.0") - DEC_MD5_VID(STRONGSWAN_2_6_4, "strongSwan 2.6.4") - DEC_MD5_VID(STRONGSWAN_2_6_3, "strongSwan 2.6.3") - DEC_MD5_VID(STRONGSWAN_2_6_2, "strongSwan 2.6.2") - DEC_MD5_VID(STRONGSWAN_2_6_1, "strongSwan 2.6.1") - DEC_MD5_VID(STRONGSWAN_2_6_0, "strongSwan 2.6.0") - DEC_MD5_VID(STRONGSWAN_2_5_7, "strongSwan 2.5.7") - DEC_MD5_VID(STRONGSWAN_2_5_6, "strongSwan 2.5.6") - DEC_MD5_VID(STRONGSWAN_2_5_5, "strongSwan 2.5.5") - DEC_MD5_VID(STRONGSWAN_2_5_4, "strongSwan 2.5.4") - DEC_MD5_VID(STRONGSWAN_2_5_3, "strongSwan 2.5.3") - DEC_MD5_VID(STRONGSWAN_2_5_2, "strongSwan 2.5.2") - DEC_MD5_VID(STRONGSWAN_2_5_1, "strongSwan 2.5.1") - DEC_MD5_VID(STRONGSWAN_2_5_0, "strongSwan 2.5.0") - DEC_MD5_VID(STRONGSWAN_2_4_4, "strongSwan 2.4.4") - DEC_MD5_VID(STRONGSWAN_2_4_3, "strongSwan 2.4.3") - DEC_MD5_VID(STRONGSWAN_2_4_2, "strongSwan 2.4.2") - DEC_MD5_VID(STRONGSWAN_2_4_1, "strongSwan 2.4.1") - DEC_MD5_VID(STRONGSWAN_2_4_0, "strongSwan 2.4.0") - DEC_MD5_VID(STRONGSWAN_2_3_2, "strongSwan 2.3.2") - DEC_MD5_VID(STRONGSWAN_2_3_1, "strongSwan 2.3.1") - DEC_MD5_VID(STRONGSWAN_2_3_0, "strongSwan 2.3.0") - DEC_MD5_VID(STRONGSWAN_2_2_2, "strongSwan 2.2.2") - DEC_MD5_VID(STRONGSWAN_2_2_1, "strongSwan 2.2.1") - DEC_MD5_VID(STRONGSWAN_2_2_0, "strongSwan 2.2.0") - - /* NAT-Traversal */ - - DEC_MD5_VID(NATT_STENBERG_01, "draft-stenberg-ipsec-nat-traversal-01") - DEC_MD5_VID(NATT_STENBERG_02, "draft-stenberg-ipsec-nat-traversal-02") - DEC_MD5_VID(NATT_HUTTUNEN, "ESPThruNAT") - DEC_MD5_VID(NATT_HUTTUNEN_ESPINUDP, "draft-huttunen-ipsec-esp-in-udp-00.txt") - DEC_MD5_VID(NATT_IETF_00, "draft-ietf-ipsec-nat-t-ike-00") - DEC_MD5_VID(NATT_IETF_02, "draft-ietf-ipsec-nat-t-ike-02") - /* hash in draft-ietf-ipsec-nat-t-ike-02 contains '\n'... Accept both */ - DEC_MD5_VID_D(NATT_IETF_02_N, "draft-ietf-ipsec-nat-t-ike-02\n", "draft-ietf-ipsec-nat-t-ike-02_n") - DEC_MD5_VID(NATT_IETF_03, "draft-ietf-ipsec-nat-t-ike-03") - DEC_MD5_VID(NATT_RFC, "RFC 3947") - - /* misc */ - - { VID_MISC_XAUTH, VID_KEEP, NULL, "XAUTH", - "\x09\x00\x26\x89\xdf\xd6\xb7\x12", 8 }, - - { VID_MISC_DPD, VID_KEEP, NULL, "Dead Peer Detection", - "\xaf\xca\xd7\x13\x68\xa1\xf1\xc9\x6b\x86\x96\xfc\x77\x57\x01\x00", 16 }, - - DEC_MD5_VID(MISC_FRAGMENTATION, "FRAGMENTATION") - - DEC_MD5_VID(INITIAL_CONTACT, "Vid-Initial-Contact") - - /** - * Cisco VPN 3000 - */ - { VID_MISC_FRAGMENTATION, VID_MD5HASH | VID_SUBSTRING_DUMPHEXA, - "FRAGMENTATION", NULL, NULL, 0 }, - - /* -- */ - { 0, 0, NULL, NULL, NULL, 0 } - -}; - -static const char _hexdig[] = "0123456789abcdef"; - -static int _vid_struct_init = 0; - -void -init_vendorid(void) -{ - struct vid_struct *vid; - MD5_CTX ctx; - int i; - - for (vid = _vid_tab; vid->id; vid++) - { - if (vid->flags & VID_STRING) - { - /** VendorID is a string **/ - vid->vid = strdup(vid->data); - vid->vid_len = strlen(vid->data); - } - else if (vid->flags & VID_MD5HASH) - { - /** VendorID is a string to hash with MD5 **/ - char *vidm = malloc(MD5_DIGEST_SIZE); - - vid->vid = vidm; - if (vidm) - { - MD5Init(&ctx); - MD5Update(&ctx, (const u_char *)vid->data, strlen(vid->data)); - MD5Final(vidm, &ctx); - vid->vid_len = MD5_DIGEST_SIZE; - } - } - else if (vid->flags & VID_FSWAN_HASH) - { - /** FreeS/WAN 2.00+ specific hash **/ -#define FSWAN_VID_SIZE 12 - unsigned char hash[MD5_DIGEST_SIZE]; - char *vidm = malloc(FSWAN_VID_SIZE); - - vid->vid = vidm; - if (vidm) - { - MD5Init(&ctx); - MD5Update(&ctx, (const u_char *)vid->data, strlen(vid->data)); - MD5Final(hash, &ctx); - vidm[0] = 'O'; - vidm[1] = 'E'; -#if FSWAN_VID_SIZE - 2 <= MD5_DIGEST_SIZE - memcpy(vidm + 2, hash, FSWAN_VID_SIZE - 2); -#else - memcpy(vidm + 2, hash, MD5_DIGEST_SIZE); - memset(vidm + 2 + MD5_DIGEST_SIZE, '\0', - FSWAN_VID_SIZE - 2 - MD5_DIGEST_SIZE); -#endif - for (i = 2; i < FSWAN_VID_SIZE; i++) - { - vidm[i] &= 0x7f; - vidm[i] |= 0x40; - } - vid->vid_len = FSWAN_VID_SIZE; - } - } - - if (vid->descr == NULL) - { - /** Find something to display **/ - vid->descr = vid->data; - } - } - _vid_struct_init = 1; -} - -static void -handle_known_vendorid (struct msg_digest *md -, const char *vidstr, size_t len, struct vid_struct *vid) -{ - char vid_dump[128]; - bool vid_useful = FALSE; - size_t i, j; - - switch (vid->id) { - /* Remote side supports OpenPGP certificates */ - case VID_OPENPGP: - md->openpgp = TRUE; - vid_useful = TRUE; - break; -#ifdef NAT_TRAVERSAL - /* - * Use most recent supported NAT-Traversal method and ignore the - * other ones (implementations will send all supported methods but - * only one will be used) - * - * Note: most recent == higher id in vendor.h - */ - case VID_NATT_IETF_00: - if (!nat_traversal_support_non_ike) - break; - if ((nat_traversal_enabled) && (!md->nat_traversal_vid)) - { - md->nat_traversal_vid = vid->id; - vid_useful = TRUE; - } - break; - case VID_NATT_IETF_02: - case VID_NATT_IETF_02_N: - case VID_NATT_IETF_03: - case VID_NATT_RFC: - if (nat_traversal_support_port_floating - && md->nat_traversal_vid < vid->id) - { - md->nat_traversal_vid = vid->id; - vid_useful = TRUE; - } - break; -#endif - /* Remote side would like to do DPD with us on this connection */ - case VID_MISC_DPD: - md->dpd = TRUE; - vid_useful = TRUE; - break; - case VID_MISC_XAUTH: - vid_useful = TRUE; - break; - default: - break; - } - - if (vid->flags & VID_SUBSTRING_DUMPHEXA) - { - /* Dump description + Hexa */ - memset(vid_dump, 0, sizeof(vid_dump)); - snprintf(vid_dump, sizeof(vid_dump), "%s ", - vid->descr ? vid->descr : ""); - for (i = strlen(vid_dump), j = vid->vid_len; - j < len && i < sizeof(vid_dump) - 2; - i += 2, j++) - { - vid_dump[i] = _hexdig[(vidstr[j] >> 4) & 0xF]; - vid_dump[i+1] = _hexdig[vidstr[j] & 0xF]; - } - } - else if (vid->flags & VID_SUBSTRING_DUMPASCII) - { - /* Dump ASCII content */ - memset(vid_dump, 0, sizeof(vid_dump)); - for (i = 0; i < len && i < sizeof(vid_dump) - 1; i++) - { - vid_dump[i] = (isprint(vidstr[i])) ? vidstr[i] : '.'; - } - } - else - { - /* Dump description (descr) */ - snprintf(vid_dump, sizeof(vid_dump), "%s", - vid->descr ? vid->descr : ""); - } - - loglog(RC_LOG_SERIOUS, "%s Vendor ID payload [%s]", - vid_useful ? "received" : "ignoring", vid_dump); -} - -void -handle_vendorid (struct msg_digest *md, const char *vid, size_t len) -{ - struct vid_struct *pvid; - - if (!_vid_struct_init) - init_vendorid(); - - /* - * Find known VendorID in _vid_tab - */ - for (pvid = _vid_tab; pvid->id; pvid++) - { - if (pvid->vid && vid && pvid->vid_len && len) - { - if (pvid->vid_len == len) - { - if (memcmp(pvid->vid, vid, len) == 0) - { - handle_known_vendorid(md, vid, len, pvid); - return; - } - } - else if ((pvid->vid_len < len) && (pvid->flags & VID_SUBSTRING)) - { - if (memcmp(pvid->vid, vid, pvid->vid_len) == 0) - { - handle_known_vendorid(md, vid, len, pvid); - return; - } - } - } - } - - /* - * Unknown VendorID. Log the beginning. - */ - { - char log_vid[2*MAX_LOG_VID_LEN+1]; - size_t i; - - memset(log_vid, 0, sizeof(log_vid)); - - for (i = 0; i < len && i < MAX_LOG_VID_LEN; i++) - { - log_vid[2*i] = _hexdig[(vid[i] >> 4) & 0xF]; - log_vid[2*i+1] = _hexdig[vid[i] & 0xF]; - } - loglog(RC_LOG_SERIOUS, "ignoring Vendor ID payload [%s%s]", - log_vid, (len>MAX_LOG_VID_LEN) ? "..." : ""); - } -} - -/** - * Add a vendor id payload to the msg - */ -bool -out_vendorid (u_int8_t np, pb_stream *outs, enum known_vendorid vid) -{ - struct vid_struct *pvid; - - if (!_vid_struct_init) - init_vendorid(); - - for (pvid = _vid_tab; pvid->id && pvid->id != vid; pvid++); - - if (pvid->id != vid) - return STF_INTERNAL_ERROR; /* not found */ - if (!pvid->vid) - return STF_INTERNAL_ERROR; /* not initialized */ - - DBG(DBG_EMITTING, - DBG_log("out_vendorid(): sending [%s]", pvid->descr) - ) - return out_generic_raw(np, &isakmp_vendor_id_desc, outs, - pvid->vid, pvid->vid_len, "V_ID"); -} - |