987de84445
Update setkey and libipsec to understand aes-gcm-16 as an encryption method. A partial commit of the work in review D2936. Submitted by: eri Reviewed by: jmg MFC after: 2 weeks Sponsored by: Rubicon Communications (Netgate)
638 lines
15 KiB
C
638 lines
15 KiB
C
/* $KAME: pfkey_dump.c,v 1.45 2003/09/08 10:14:56 itojun Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netipsec/ipsec.h>
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#include <net/pfkeyv2.h>
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#include <netipsec/key_var.h>
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#include <netipsec/key_debug.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include <netdb.h>
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#include "ipsec_strerror.h"
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#include "libpfkey.h"
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/* cope with old kame headers - ugly */
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#ifndef SADB_X_AALG_MD5
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#define SADB_X_AALG_MD5 SADB_AALG_MD5
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#endif
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#ifndef SADB_X_AALG_SHA
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#define SADB_X_AALG_SHA SADB_AALG_SHA
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#endif
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#ifndef SADB_X_AALG_NULL
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#define SADB_X_AALG_NULL SADB_AALG_NULL
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#endif
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#ifndef SADB_X_EALG_BLOWFISHCBC
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#define SADB_X_EALG_BLOWFISHCBC SADB_EALG_BLOWFISHCBC
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#endif
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#ifndef SADB_X_EALG_CAST128CBC
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#define SADB_X_EALG_CAST128CBC SADB_EALG_CAST128CBC
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#endif
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#ifndef SADB_X_EALG_RC5CBC
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#ifdef SADB_EALG_RC5CBC
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#define SADB_X_EALG_RC5CBC SADB_EALG_RC5CBC
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#endif
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#endif
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#define GETMSGSTR(str, num) \
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do { \
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if (sizeof((str)[0]) == 0 \
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|| num >= sizeof(str)/sizeof((str)[0])) \
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printf("%u ", (num)); \
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else if (strlen((str)[(num)]) == 0) \
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printf("%u ", (num)); \
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else \
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printf("%s ", (str)[(num)]); \
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} while (0)
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#define GETMSGV2S(v2s, num) \
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do { \
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struct val2str *p; \
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for (p = (v2s); p && p->str; p++) { \
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if (p->val == (num)) \
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break; \
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} \
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if (p && p->str) \
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printf("%s ", p->str); \
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else \
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printf("%u ", (num)); \
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} while (0)
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static char *str_ipaddr(struct sockaddr *);
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static char *str_prefport(u_int, u_int, u_int, u_int);
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static void str_upperspec(u_int, u_int, u_int);
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static char *str_time(time_t);
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static void str_lifetime_byte(struct sadb_lifetime *, char *);
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struct val2str {
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int val;
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const char *str;
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};
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/*
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* Must to be re-written about following strings.
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*/
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static char *str_satype[] = {
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"unspec",
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"unknown",
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"ah",
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"esp",
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"unknown",
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"rsvp",
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"ospfv2",
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"ripv2",
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"mip",
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"ipcomp",
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"policy",
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"tcp"
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};
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static char *str_mode[] = {
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"any",
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"transport",
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"tunnel",
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};
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static char *str_state[] = {
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"larval",
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"mature",
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"dying",
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"dead",
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};
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static struct val2str str_alg_auth[] = {
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{ SADB_AALG_NONE, "none", },
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{ SADB_AALG_MD5HMAC, "hmac-md5", },
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{ SADB_AALG_SHA1HMAC, "hmac-sha1", },
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{ SADB_X_AALG_MD5, "md5", },
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{ SADB_X_AALG_SHA, "sha", },
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{ SADB_X_AALG_NULL, "null", },
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{ SADB_X_AALG_TCP_MD5, "tcp-md5", },
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#ifdef SADB_X_AALG_SHA2_256
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{ SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
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#endif
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#ifdef SADB_X_AALG_SHA2_384
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{ SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
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#endif
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#ifdef SADB_X_AALG_SHA2_512
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{ SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
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#endif
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#ifdef SADB_X_AALG_RIPEMD160HMAC
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{ SADB_X_AALG_RIPEMD160HMAC, "hmac-ripemd160", },
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#endif
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#ifdef SADB_X_AALG_AES_XCBC_MAC
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{ SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
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#endif
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{ -1, NULL, },
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};
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static struct val2str str_alg_enc[] = {
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{ SADB_EALG_NONE, "none", },
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{ SADB_EALG_DESCBC, "des-cbc", },
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{ SADB_EALG_3DESCBC, "3des-cbc", },
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{ SADB_EALG_NULL, "null", },
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#ifdef SADB_X_EALG_RC5CBC
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{ SADB_X_EALG_RC5CBC, "rc5-cbc", },
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#endif
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{ SADB_X_EALG_CAST128CBC, "cast128-cbc", },
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{ SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
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#ifdef SADB_X_EALG_RIJNDAELCBC
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{ SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
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#endif
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#ifdef SADB_X_EALG_TWOFISHCBC
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{ SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
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#endif
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#ifdef SADB_X_EALG_AESCTR
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{ SADB_X_EALG_AESCTR, "aes-ctr", },
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#endif
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#ifdef SADB_X_EALG_AESGCM16
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{ SADB_X_EALG_AESGCM16, "aes-gcm-16", },
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#endif
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#ifdef SADB_X_EALG_CAMELLIACBC
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{ SADB_X_EALG_CAMELLIACBC, "camellia-cbc", },
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#endif
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{ -1, NULL, },
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};
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static struct val2str str_alg_comp[] = {
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{ SADB_X_CALG_NONE, "none", },
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{ SADB_X_CALG_OUI, "oui", },
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{ SADB_X_CALG_DEFLATE, "deflate", },
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{ SADB_X_CALG_LZS, "lzs", },
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{ -1, NULL, },
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};
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/*
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* dump SADB_MSG formated. For debugging, you should use kdebug_sadb().
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*/
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void
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pfkey_sadump(m)
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struct sadb_msg *m;
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{
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caddr_t mhp[SADB_EXT_MAX + 1];
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struct sadb_sa *m_sa;
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struct sadb_x_sa2 *m_sa2;
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struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
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struct sadb_address *m_saddr, *m_daddr, *m_paddr;
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struct sadb_key *m_auth, *m_enc;
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struct sadb_ident *m_sid, *m_did;
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struct sadb_sens *m_sens;
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/* check pfkey message. */
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if (pfkey_align(m, mhp)) {
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printf("%s\n", ipsec_strerror());
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return;
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}
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if (pfkey_check(mhp)) {
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printf("%s\n", ipsec_strerror());
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return;
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}
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m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
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m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
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m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
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m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
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m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
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m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
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m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
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m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY];
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m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
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m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
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m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC];
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m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST];
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m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY];
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/* source address */
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if (m_saddr == NULL) {
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printf("no ADDRESS_SRC extension.\n");
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return;
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}
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printf("%s ", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
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/* destination address */
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if (m_daddr == NULL) {
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printf("no ADDRESS_DST extension.\n");
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return;
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}
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printf("%s ", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
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/* SA type */
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if (m_sa == NULL) {
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printf("no SA extension.\n");
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return;
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}
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if (m_sa2 == NULL) {
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printf("no SA2 extension.\n");
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return;
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}
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printf("\n\t");
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GETMSGSTR(str_satype, m->sadb_msg_satype);
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printf("mode=");
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GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
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printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
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(u_int32_t)ntohl(m_sa->sadb_sa_spi),
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(u_int32_t)ntohl(m_sa->sadb_sa_spi),
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(u_int32_t)m_sa2->sadb_x_sa2_reqid,
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(u_int32_t)m_sa2->sadb_x_sa2_reqid);
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/* encryption key */
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if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
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printf("\tC: ");
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GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
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} else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
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if (m_enc != NULL) {
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printf("\tE: ");
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GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
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ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
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m_enc->sadb_key_bits / 8);
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printf("\n");
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}
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}
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/* authentication key */
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if (m_auth != NULL) {
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printf("\tA: ");
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GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
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ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
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m_auth->sadb_key_bits / 8);
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printf("\n");
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}
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/* replay windoe size & flags */
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printf("\tseq=0x%08x replay=%u flags=0x%08x ",
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m_sa2->sadb_x_sa2_sequence,
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m_sa->sadb_sa_replay,
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m_sa->sadb_sa_flags);
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/* state */
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printf("state=");
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GETMSGSTR(str_state, m_sa->sadb_sa_state);
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printf("\n");
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/* lifetime */
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if (m_lftc != NULL) {
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time_t tmp_time = time(0);
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printf("\tcreated: %s",
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str_time(m_lftc->sadb_lifetime_addtime));
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printf("\tcurrent: %s\n", str_time(tmp_time));
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printf("\tdiff: %lu(s)",
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(u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
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0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
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printf("\thard: %lu(s)",
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(u_long)(m_lfth == NULL ?
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0 : m_lfth->sadb_lifetime_addtime));
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printf("\tsoft: %lu(s)\n",
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(u_long)(m_lfts == NULL ?
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0 : m_lfts->sadb_lifetime_addtime));
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printf("\tlast: %s",
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str_time(m_lftc->sadb_lifetime_usetime));
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printf("\thard: %lu(s)",
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(u_long)(m_lfth == NULL ?
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0 : m_lfth->sadb_lifetime_usetime));
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printf("\tsoft: %lu(s)\n",
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(u_long)(m_lfts == NULL ?
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0 : m_lfts->sadb_lifetime_usetime));
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str_lifetime_byte(m_lftc, "current");
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str_lifetime_byte(m_lfth, "hard");
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str_lifetime_byte(m_lfts, "soft");
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printf("\n");
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printf("\tallocated: %lu",
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(unsigned long)m_lftc->sadb_lifetime_allocations);
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printf("\thard: %lu",
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(u_long)(m_lfth == NULL ?
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0 : m_lfth->sadb_lifetime_allocations));
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printf("\tsoft: %lu\n",
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(u_long)(m_lfts == NULL ?
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0 : m_lfts->sadb_lifetime_allocations));
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}
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printf("\tsadb_seq=%lu pid=%lu ",
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(u_long)m->sadb_msg_seq,
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(u_long)m->sadb_msg_pid);
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/* XXX DEBUG */
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printf("refcnt=%u\n", m->sadb_msg_reserved);
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return;
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}
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void
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pfkey_spdump(m)
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struct sadb_msg *m;
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{
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char pbuf[NI_MAXSERV];
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caddr_t mhp[SADB_EXT_MAX + 1];
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struct sadb_address *m_saddr, *m_daddr;
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struct sadb_x_policy *m_xpl;
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struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL;
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struct sockaddr *sa;
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u_int16_t sport = 0, dport = 0;
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/* check pfkey message. */
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if (pfkey_align(m, mhp)) {
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printf("%s\n", ipsec_strerror());
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return;
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}
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if (pfkey_check(mhp)) {
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printf("%s\n", ipsec_strerror());
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return;
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}
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m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
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m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
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m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
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m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
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m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
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if (m_saddr && m_daddr) {
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/* source address */
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sa = (struct sockaddr *)(m_saddr + 1);
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switch (sa->sa_family) {
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case AF_INET:
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case AF_INET6:
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if (getnameinfo(sa, sa->sa_len, NULL, 0,
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pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
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sport = 0; /*XXX*/
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else
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sport = atoi(pbuf);
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printf("%s%s ", str_ipaddr(sa),
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str_prefport(sa->sa_family,
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m_saddr->sadb_address_prefixlen, sport,
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m_saddr->sadb_address_proto));
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break;
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default:
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printf("unknown-af ");
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break;
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}
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/* destination address */
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sa = (struct sockaddr *)(m_daddr + 1);
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switch (sa->sa_family) {
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case AF_INET:
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case AF_INET6:
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if (getnameinfo(sa, sa->sa_len, NULL, 0,
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pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
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dport = 0; /*XXX*/
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else
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dport = atoi(pbuf);
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printf("%s%s ", str_ipaddr(sa),
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str_prefport(sa->sa_family,
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m_daddr->sadb_address_prefixlen, dport,
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m_saddr->sadb_address_proto));
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break;
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default:
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printf("unknown-af ");
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break;
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}
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/* upper layer protocol */
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if (m_saddr->sadb_address_proto !=
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m_daddr->sadb_address_proto) {
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printf("upper layer protocol mismatched.\n");
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return;
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}
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str_upperspec(m_saddr->sadb_address_proto, sport, dport);
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}
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else
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printf("(no selector, probably per-socket policy) ");
|
|
|
|
/* policy */
|
|
{
|
|
char *d_xpl;
|
|
|
|
if (m_xpl == NULL) {
|
|
printf("no X_POLICY extension.\n");
|
|
return;
|
|
}
|
|
d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
|
|
|
|
/* dump SPD */
|
|
printf("\n\t%s\n", d_xpl);
|
|
free(d_xpl);
|
|
}
|
|
|
|
/* lifetime */
|
|
if (m_lftc) {
|
|
printf("\tcreated: %s ",
|
|
str_time(m_lftc->sadb_lifetime_addtime));
|
|
printf("lastused: %s\n",
|
|
str_time(m_lftc->sadb_lifetime_usetime));
|
|
}
|
|
if (m_lfth) {
|
|
printf("\tlifetime: %lu(s) ",
|
|
(u_long)m_lfth->sadb_lifetime_addtime);
|
|
printf("validtime: %lu(s)\n",
|
|
(u_long)m_lfth->sadb_lifetime_usetime);
|
|
}
|
|
|
|
|
|
printf("\tspid=%ld seq=%ld pid=%ld\n",
|
|
(u_long)m_xpl->sadb_x_policy_id,
|
|
(u_long)m->sadb_msg_seq,
|
|
(u_long)m->sadb_msg_pid);
|
|
|
|
/* XXX TEST */
|
|
printf("\trefcnt=%u\n", m->sadb_msg_reserved);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* set "ipaddress" to buffer.
|
|
*/
|
|
static char *
|
|
str_ipaddr(sa)
|
|
struct sockaddr *sa;
|
|
{
|
|
static char buf[NI_MAXHOST];
|
|
const int niflag = NI_NUMERICHOST;
|
|
|
|
if (sa == NULL)
|
|
return "";
|
|
|
|
if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
|
|
return buf;
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* set "/prefix[port number]" to buffer.
|
|
*/
|
|
static char *
|
|
str_prefport(family, pref, port, ulp)
|
|
u_int family, pref, port, ulp;
|
|
{
|
|
static char buf[128];
|
|
char prefbuf[128];
|
|
char portbuf[128];
|
|
int plen;
|
|
|
|
switch (family) {
|
|
case AF_INET:
|
|
plen = sizeof(struct in_addr) << 3;
|
|
break;
|
|
case AF_INET6:
|
|
plen = sizeof(struct in6_addr) << 3;
|
|
break;
|
|
default:
|
|
return "?";
|
|
}
|
|
|
|
if (pref == plen)
|
|
prefbuf[0] = '\0';
|
|
else
|
|
snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
|
|
|
|
if (ulp == IPPROTO_ICMPV6)
|
|
memset(portbuf, 0, sizeof(portbuf));
|
|
else {
|
|
if (port == IPSEC_PORT_ANY)
|
|
snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
|
|
else
|
|
snprintf(portbuf, sizeof(portbuf), "[%u]", port);
|
|
}
|
|
|
|
snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
|
|
|
|
return buf;
|
|
}
|
|
|
|
static void
|
|
str_upperspec(ulp, p1, p2)
|
|
u_int ulp, p1, p2;
|
|
{
|
|
if (ulp == IPSEC_ULPROTO_ANY)
|
|
printf("any");
|
|
else if (ulp == IPPROTO_ICMPV6) {
|
|
printf("icmp6");
|
|
if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY))
|
|
printf(" %u,%u", p1, p2);
|
|
} else {
|
|
struct protoent *ent;
|
|
|
|
switch (ulp) {
|
|
case IPPROTO_IPV4:
|
|
printf("ip4");
|
|
break;
|
|
default:
|
|
ent = getprotobynumber(ulp);
|
|
if (ent)
|
|
printf("%s", ent->p_name);
|
|
else
|
|
printf("%u", ulp);
|
|
|
|
endprotoent();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* set "Mon Day Time Year" to buffer
|
|
*/
|
|
static char *
|
|
str_time(t)
|
|
time_t t;
|
|
{
|
|
static char buf[128];
|
|
|
|
if (t == 0) {
|
|
int i = 0;
|
|
for (;i < 20;) buf[i++] = ' ';
|
|
} else {
|
|
char *t0;
|
|
t0 = ctime(&t);
|
|
memcpy(buf, t0 + 4, 20);
|
|
}
|
|
|
|
buf[20] = '\0';
|
|
|
|
return(buf);
|
|
}
|
|
|
|
static void
|
|
str_lifetime_byte(x, str)
|
|
struct sadb_lifetime *x;
|
|
char *str;
|
|
{
|
|
double y;
|
|
char *unit;
|
|
int w;
|
|
|
|
if (x == NULL) {
|
|
printf("\t%s: 0(bytes)", str);
|
|
return;
|
|
}
|
|
|
|
#if 0
|
|
if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
|
|
y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
|
|
unit = "M";
|
|
w = 1;
|
|
} else if ((x->sadb_lifetime_bytes) / 1024) {
|
|
y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
|
|
unit = "K";
|
|
w = 1;
|
|
} else {
|
|
y = (x->sadb_lifetime_bytes) * 1.0;
|
|
unit = "";
|
|
w = 0;
|
|
}
|
|
#else
|
|
y = (x->sadb_lifetime_bytes) * 1.0;
|
|
unit = "";
|
|
w = 0;
|
|
#endif
|
|
printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
|
|
}
|