450 lines
11 KiB
C
450 lines
11 KiB
C
/*
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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/types.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netinet6/ipsec.h>
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#include <netkey/keyv2.h>
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#include <netkey/key_var.h>
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#include <netkey/key_debug.h>
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#include <netinet/in.h>
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#ifdef INET6
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#include <netinet6/in6.h>
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#endif
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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 "ipsec_strerror.h"
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#define GETMSGSTR(str, num) \
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{ \
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if (sizeof((str)[0]) == 0 \
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|| num >= sizeof(str)/sizeof((str)[0])) \
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printf("%d ", (num)); \
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else if (strlen((str)[(num)]) == 0) \
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printf("%d ", (num)); \
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else \
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printf("%s ", (str)[(num)]); \
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}
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#define GETAF(p) \
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(((struct sockaddr *)(p))->sa_family)
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static char *_str_addr(u_int family, caddr_t addr, u_int pref, u_int port);
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static char *_str_time(time_t t);
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static void _str_lifetime_byte(struct sadb_lifetime *x, char *str);
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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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};
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static char *_str_upper[] = {
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"any", "icmp", "", "", "",
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"", "tcp", "", "", "",
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"", "", "", "", "",
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"", "", "udp", "", "",
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"", "", "", "", "",
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"", "", "", "", "",
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};
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#if 0
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static char *_str_base[] = {
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"new",
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"old",
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};
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#endif
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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 char *_str_alg_auth[] = {
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"none",
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"hmac-md5",
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"hmac-sha1",
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"md5",
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"sha",
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"null",
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};
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static char *_str_alg_enc[] = {
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"none",
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"des-cbc",
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"3des-cbc",
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"null",
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"blowfish-cbc",
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"cast128-cbc",
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"rc5-cbc",
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};
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static char *_str_alg_comp[] = {
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"none",
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"oui",
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"deflate",
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"lzs",
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};
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static char *_str_dir[] = {
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"outbound",
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"inbound",
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"bi-direction",
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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 pfkey_sadump(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_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_check(m, 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_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_SRC];
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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 ",
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_str_addr(GETAF((caddr_t)m_saddr + sizeof(*m_saddr)),
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_INADDRBYSA((caddr_t)m_saddr + sizeof(*m_saddr)),
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m_saddr->sadb_address_prefixlen,
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_INPORTBYSA((caddr_t)m_saddr + sizeof(*m_saddr))));
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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 ",
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_str_addr(GETAF((caddr_t)m_daddr + sizeof(*m_daddr)),
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_INADDRBYSA((caddr_t)m_daddr + sizeof(*m_daddr)),
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m_daddr->sadb_address_prefixlen,
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_INPORTBYSA((caddr_t)m_daddr + sizeof(*m_daddr))));
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/* upper layer protocol */
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if (m_saddr->sadb_address_proto != m_saddr->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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GETMSGSTR(_str_upper, m_saddr->sadb_address_proto);
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/* proxy address */
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if (m_paddr != NULL) {
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int prefix = _INALENBYAF(GETAF((caddr_t)m_paddr + sizeof(*m_paddr))) << 3;
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printf("%s",
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_str_addr(GETAF((caddr_t)m_paddr + sizeof(*m_paddr)),
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_INADDRBYSA((caddr_t)m_paddr + sizeof(*m_paddr)),
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prefix,
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0));
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}
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printf("\n");
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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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printf("\t");
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GETMSGSTR(_str_satype, m->sadb_msg_satype);
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printf("spi=%u(0x%08x) replay=%u flags=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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m_sa->sadb_sa_replay,
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m_sa->sadb_sa_flags);
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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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GETMSGSTR(_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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GETMSGSTR(_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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GETMSGSTR(_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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/* state */
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printf("\tstate=");
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GETMSGSTR(_str_state, m_sa->sadb_sa_state);
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printf("seq=%lu pid=%lu\n",
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(u_long)m->sadb_msg_seq,
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(u_long)m->sadb_msg_pid);
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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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{ /* XXX TEST */
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char *x = (char *)&m->sadb_msg_reserved;
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printf("\tdir=");
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GETMSGSTR(_str_dir, (int)x[0]);
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printf("refcnt=%d\n", (int)x[1]);
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}
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return;
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}
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void pfkey_spdump(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_address *m_saddr, *m_daddr;
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struct sadb_x_policy *m_xpl;
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/* check pfkey message. */
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if (pfkey_check(m, 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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/* 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 ",
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_str_addr(GETAF((caddr_t)m_saddr + sizeof(*m_saddr)),
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_INADDRBYSA((caddr_t)m_saddr + sizeof(*m_saddr)),
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m_saddr->sadb_address_prefixlen,
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_INPORTBYSA((caddr_t)m_saddr + sizeof(*m_saddr))));
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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 ",
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_str_addr(GETAF((caddr_t)m_daddr + sizeof(*m_daddr)),
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_INADDRBYSA((caddr_t)m_daddr + sizeof(*m_daddr)),
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m_daddr->sadb_address_prefixlen,
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_INPORTBYSA((caddr_t)m_daddr + sizeof(*m_daddr))));
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/* upper layer protocol */
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GETMSGSTR(_str_upper, m_saddr->sadb_address_proto);
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/* policy */
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{
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char *d_xpl;
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if (m_xpl == NULL) {
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printf("no X_POLICY extension.\n");
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return;
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}
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d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
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/* dump SPD */
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printf("\n\t%s\n", d_xpl);
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free(d_xpl);
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}
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printf("\tseq=%ld pid=%ld\n",
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(u_long)m->sadb_msg_seq,
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(u_long)m->sadb_msg_pid);
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{ /* TEST */
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char *x = (char *)&m->sadb_msg_reserved;
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printf("\tdir=");
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GETMSGSTR(_str_dir, (int)x[0]);
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printf("refcnt=%d\n", (int)x[1]);
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}
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return;
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}
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/*
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* set "ip address/prefix[port number]" to buffer.
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*/
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static char *_str_addr(u_int family, caddr_t addr, u_int pref, u_int port)
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{
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static char buf[128];
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char pbuf[128];
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if (addr == NULL)
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return "";
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inet_ntop(family, addr, pbuf, sizeof(pbuf));
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snprintf(buf, sizeof(buf), "%s/%u[%u]", pbuf, pref, ntohs(port));
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return buf;
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}
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/*
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* set "Mon Day Time Year" to buffer
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*/
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static char *_str_time(time_t t)
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{
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static char buf[128];
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if (t == 0) {
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int i = 0;
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for (;i < 20;) buf[i++] = ' ';
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} else {
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char *t0;
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t0 = ctime(&t);
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memcpy(buf, t0 + 4, 20);
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}
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buf[20] = '\0';
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return(buf);
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}
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static void _str_lifetime_byte(struct sadb_lifetime *x, char *str)
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{
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double y;
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char *unit;
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int w;
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if (x == NULL) {
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printf("\t%s: 0(bytes)", str);
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return;
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}
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#if 0
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if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
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y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
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unit = "M";
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w = 1;
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} else if ((x->sadb_lifetime_bytes) / 1024) {
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y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
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unit = "K";
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w = 1;
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} else {
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y = (x->sadb_lifetime_bytes) * 1.0;
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unit = "";
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w = 0;
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}
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#else
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y = (x->sadb_lifetime_bytes) * 1.0;
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unit = "";
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w = 0;
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#endif
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printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
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}
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