1 /* $FreeBSD: src/usr.sbin/setkey/setkey.c,v 1.1.2.3 2003/04/26 23:53:54 sumikawa Exp $ */
2 /* $KAME: setkey.c,v 1.18 2001/05/08 04:36:39 itojun Exp $ */
5 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/types.h>
34 #include <sys/param.h>
35 #include <sys/socket.h>
38 #include <net/route.h>
39 #include <netinet/in.h>
40 #include <net/pfkeyv2.h>
41 #include <netkey/keydb.h>
42 #include <netkey/key_debug.h>
43 #include <netinet6/ipsec.h>
56 void Usage(void) __dead2;
57 int get_supported(void);
58 void sendkeyshort(u_int);
59 void promisc(void) __dead2;
61 int postproc(struct sadb_msg *, int);
62 const char *numstr(int);
63 void shortdump_hdr(void);
64 void shortdump(struct sadb_msg *);
65 static void printdate(void);
66 static int32_t gmt2local(time_t);
69 #define MODE_CMDDUMP 2
70 #define MODE_CMDFLUSH 3
71 #define MODE_PROMISC 4
89 static time_t thiszone;
93 extern int parse(FILE **);
98 printf("Usage:\t%s [-dv] -c\n", pname);
99 printf("\t%s [-dv] -f (file)\n", pname);
100 printf("\t%s [-Padlv] -D\n", pname);
101 printf("\t%s [-Pdv] -F\n", pname);
102 printf("\t%s [-h] -x\n", pname);
108 main(int argc, char **argv)
115 if (argc == 1) Usage();
117 thiszone = gmt2local(0);
119 while ((c = getopt(argc, argv, "acdf:hlvxDFP")) != -1) {
122 f_mode = MODE_SCRIPT;
126 f_mode = MODE_SCRIPT;
127 if ((fp = fopen(optarg, "r")) == NULL) {
133 f_mode = MODE_CMDDUMP;
136 f_mode = MODE_CMDFLUSH;
148 f_mode = MODE_PROMISC;
168 sendkeyshort(f_policy ? SADB_X_SPDDUMP: SADB_DUMP);
171 sendkeyshort(f_policy ? SADB_X_SPDFLUSH: SADB_FLUSH);
175 if (get_supported() < 0) {
176 errx(-1, "%s", ipsec_strerror());
198 if ((so = pfkey_open()) < 0) {
199 perror("pfkey_open");
207 if (pfkey_send_register(so, SADB_SATYPE_UNSPEC) < 0)
210 if (pfkey_recv_register(so) < 0)
217 sendkeyshort(u_int type)
219 struct sadb_msg *m_msg = (struct sadb_msg *)m_buf;
221 m_len = sizeof(struct sadb_msg);
223 m_msg->sadb_msg_version = PF_KEY_V2;
224 m_msg->sadb_msg_type = type;
225 m_msg->sadb_msg_errno = 0;
226 m_msg->sadb_msg_satype = SADB_SATYPE_UNSPEC;
227 m_msg->sadb_msg_len = PFKEY_UNIT64(m_len);
228 m_msg->sadb_msg_reserved = 0;
229 m_msg->sadb_msg_seq = 0;
230 m_msg->sadb_msg_pid = getpid();
238 struct sadb_msg *m_msg = (struct sadb_msg *)m_buf;
239 u_char rbuf[1024 * 32]; /* XXX: Enough ? Should I do MSG_PEEK ? */
242 m_len = sizeof(struct sadb_msg);
244 m_msg->sadb_msg_version = PF_KEY_V2;
245 m_msg->sadb_msg_type = SADB_X_PROMISC;
246 m_msg->sadb_msg_errno = 0;
247 m_msg->sadb_msg_satype = 1;
248 m_msg->sadb_msg_len = PFKEY_UNIT64(m_len);
249 m_msg->sadb_msg_reserved = 0;
250 m_msg->sadb_msg_seq = 0;
251 m_msg->sadb_msg_pid = getpid();
253 if ((so = socket(PF_KEY, SOCK_RAW, PF_KEY_V2)) < 0) {
254 err(1, "socket(PF_KEY)");
258 if ((len = send(so, m_buf, m_len, 0)) < 0) {
264 struct sadb_msg *base;
266 if ((len = recv(so, rbuf, sizeof(*base), MSG_PEEK)) < 0) {
271 if (len != sizeof(*base))
274 base = (struct sadb_msg *)rbuf;
275 if ((len = recv(so, rbuf, PFKEY_UNUNIT64(base->sadb_msg_len),
283 for (i = 0; i < len; i++) {
286 printf("%02x ", rbuf[i] & 0xff);
293 /* adjust base pointer for promisc mode */
294 if (base->sadb_msg_type == SADB_X_PROMISC) {
295 if (sizeof(*base) < len)
312 u_char rbuf[1024 * 32]; /* XXX: Enough ? Should I do MSG_PEEK ? */
314 struct sadb_msg *msg;
317 if ((so = pfkey_open()) < 0) {
318 perror("pfkey_open");
324 if (setsockopt(so, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) < 0) {
325 perror("setsockopt");
333 kdebug_sadb((struct sadb_msg *)m_buf);
337 if ((len = send(so, m_buf, m_len, 0)) < 0) {
342 msg = (struct sadb_msg *)rbuf;
344 if ((len = recv(so, rbuf, sizeof(rbuf), 0)) < 0) {
349 if (PFKEY_UNUNIT64(msg->sadb_msg_len) != len) {
350 warnx("invalid keymsg length");
355 kdebug_sadb((struct sadb_msg *)rbuf);
358 if (postproc(msg, len) < 0)
360 } while (msg->sadb_msg_errno || msg->sadb_msg_seq);
374 postproc(struct sadb_msg *msg, int len)
376 if (msg->sadb_msg_errno != 0) {
380 if (f_mode == MODE_SCRIPT)
381 snprintf(inf, sizeof(inf), "The result of line %d: ", lineno);
385 switch (msg->sadb_msg_errno) {
387 switch (msg->sadb_msg_type) {
390 case SADB_X_SPDDELETE:
394 errmsg = "No SAD entries";
397 errmsg = "No SPD entries";
402 errmsg = strerror(msg->sadb_msg_errno);
404 printf("%s%s.\n", inf, errmsg);
408 switch (msg->sadb_msg_type) {
414 /* filter out DEAD SAs */
416 caddr_t mhp[SADB_EXT_MAX + 1];
418 pfkey_align(msg, mhp);
420 if ((sa = (struct sadb_sa *)mhp[SADB_EXT_SA]) != NULL) {
421 if (sa->sadb_sa_state == SADB_SASTATE_DEAD)
429 msg = (struct sadb_msg *)((caddr_t)msg +
430 PFKEY_UNUNIT64(msg->sadb_msg_len));
432 kdebug_sadb((struct sadb_msg *)msg);
439 if (msg->sadb_msg_seq == 0) break;
440 msg = (struct sadb_msg *)((caddr_t)msg +
441 PFKEY_UNUNIT64(msg->sadb_msg_len));
443 kdebug_sadb((struct sadb_msg *)msg);
452 /*------------------------------------------------------------*/
453 static char *satype[] = {
454 NULL, NULL, "ah", "esp"
456 static char *sastate[] = {
459 static char *ipproto[] = {
460 /*0*/ "ip", "icmp", "igmp", "ggp", "ip4",
461 NULL, "tcp", NULL, "egp", NULL,
462 /*10*/ NULL, NULL, NULL, NULL, NULL,
463 NULL, NULL, "udp", NULL, NULL,
464 /*20*/ NULL, NULL, "idp", NULL, NULL,
465 NULL, NULL, NULL, NULL, "tp",
466 /*30*/ NULL, NULL, NULL, NULL, NULL,
467 NULL, NULL, NULL, NULL, NULL,
468 /*40*/ NULL, "ip6", NULL, "rt6", "frag6",
469 NULL, "rsvp", "gre", NULL, NULL,
470 /*50*/ "esp", "ah", NULL, NULL, NULL,
471 NULL, NULL, NULL, "icmp6", "none",
475 #define STR_OR_ID(x, tab) \
476 (((x) < sizeof(tab)/sizeof(tab[0]) && tab[(x)]) ? tab[(x)] : numstr(x))
482 snprintf(buf, sizeof(buf), "#%d", x);
489 printf("%-4s %-3s %-1s %-8s %-7s %s -> %s\n",
490 "time", "p", "s", "spi", "ltime", "src", "dst");
494 shortdump(struct sadb_msg *msg)
496 caddr_t mhp[SADB_EXT_MAX + 1];
497 char buf[NI_MAXHOST], pbuf[NI_MAXSERV];
499 struct sadb_address *saddr;
500 struct sadb_lifetime *lts, *lth, *ltc;
507 pfkey_align(msg, mhp);
510 printf("%02lu%02lu", (u_long)(cur % 3600) / 60, (u_long)(cur % 60));
512 printf(" %-3s", STR_OR_ID(msg->sadb_msg_satype, satype));
514 if ((sa = (struct sadb_sa *)mhp[SADB_EXT_SA]) != NULL) {
515 printf(" %-1s", STR_OR_ID(sa->sadb_sa_state, sastate));
516 printf(" %08x", (u_int32_t)ntohl(sa->sadb_sa_spi));
518 printf("%-1s %-8s", "?", "?");
520 lts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
521 lth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
522 ltc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
523 if (lts && lth && ltc) {
524 if (ltc->sadb_lifetime_addtime == 0)
527 t = (u_long)(cur - ltc->sadb_lifetime_addtime);
529 strcpy(buf, " big/");
531 snprintf(buf, sizeof(buf), " %3lu/", (u_long)t);
534 t = (u_long)lth->sadb_lifetime_addtime;
538 snprintf(buf, sizeof(buf), "%-3lu", (u_long)t);
541 printf(" ??\?/???"); /* backslash to avoid trigraph ??/ */
545 if ((saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC]) != NULL) {
546 if (saddr->sadb_address_proto)
547 printf("%s ", STR_OR_ID(saddr->sadb_address_proto, ipproto));
548 s = (struct sockaddr *)(saddr + 1);
549 getnameinfo(s, s->sa_len, buf, sizeof(buf),
550 pbuf, sizeof(pbuf), NI_NUMERICHOST|NI_NUMERICSERV);
551 if (strcmp(pbuf, "0") != 0)
552 printf("%s[%s]", buf, pbuf);
560 if ((saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST]) != NULL) {
561 if (saddr->sadb_address_proto)
562 printf("%s ", STR_OR_ID(saddr->sadb_address_proto, ipproto));
564 s = (struct sockaddr *)(saddr + 1);
565 getnameinfo(s, s->sa_len, buf, sizeof(buf),
566 pbuf, sizeof(pbuf), NI_NUMERICHOST|NI_NUMERICSERV);
567 if (strcmp(pbuf, "0") != 0)
568 printf("%s[%s]", buf, pbuf);
577 /* From: tcpdump(1):gmt2local.c and util.c */
579 * Print the timestamp
587 if (gettimeofday(&tp, NULL) == -1) {
588 perror("gettimeofday");
594 s = (tp.tv_sec + thiszone ) % 86400;
595 printf("%02d:%02d:%02d.%06u ",
596 s / 3600, (s % 3600) / 60, s % 60, (u_int32_t)tp.tv_usec);
597 } else if (f_tflag > 1) {
598 /* Unix timeval style */
599 printf("%u.%06u ", (u_int32_t)tp.tv_sec, (u_int32_t)tp.tv_usec);
606 * Returns the difference between gmt and local time in seconds.
607 * Use gmtime() and localtime() to keep things simple.
613 struct tm *gmt, *loc;
621 dt = (loc->tm_hour - gmt->tm_hour) * 60 * 60 +
622 (loc->tm_min - gmt->tm_min) * 60;
625 * If the year or julian day is different, we span 00:00 GMT
626 * and must add or subtract a day. Check the year first to
627 * avoid problems when the julian day wraps.
629 dir = loc->tm_year - gmt->tm_year;
631 dir = loc->tm_yday - gmt->tm_yday;
632 dt += dir * 24 * 60 * 60;