1 /* $FreeBSD: src/usr.sbin/setkey/setkey.c,v 1.1.2.3 2003/04/26 23:53:54 sumikawa Exp $ */
2 /* $DragonFly: src/usr.sbin/setkey/setkey.c,v 1.3 2003/11/03 19:31:43 eirikn Exp $ */
3 /* $KAME: setkey.c,v 1.18 2001/05/08 04:36:39 itojun Exp $ */
6 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <sys/types.h>
35 #include <sys/param.h>
36 #include <sys/socket.h>
39 #include <net/route.h>
40 #include <netinet/in.h>
41 #include <net/pfkeyv2.h>
42 #include <netkey/keydb.h>
43 #include <netkey/key_debug.h>
44 #include <netinet6/ipsec.h>
58 int main(int, char **);
59 int get_supported(void);
60 void sendkeyshort(u_int);
63 int postproc(struct sadb_msg *, int);
64 const char *numstr(int);
65 void shortdump_hdr(void);
66 void shortdump(struct sadb_msg *);
67 static void printdate(void);
68 static int32_t gmt2local(time_t);
71 #define MODE_CMDDUMP 2
72 #define MODE_CMDFLUSH 3
73 #define MODE_PROMISC 4
91 static time_t thiszone;
95 extern int parse(FILE **);
100 printf("Usage:\t%s [-dv] -c\n", pname);
101 printf("\t%s [-dv] -f (file)\n", pname);
102 printf("\t%s [-Padlv] -D\n", pname);
103 printf("\t%s [-Pdv] -F\n", pname);
104 printf("\t%s [-h] -x\n", pname);
119 if (ac == 1) Usage();
121 thiszone = gmt2local(0);
123 while ((c = getopt(ac, av, "acdf:hlvxDFP")) != -1) {
126 f_mode = MODE_SCRIPT;
130 f_mode = MODE_SCRIPT;
131 if ((fp = fopen(optarg, "r")) == NULL) {
137 f_mode = MODE_CMDDUMP;
140 f_mode = MODE_CMDFLUSH;
152 f_mode = MODE_PROMISC;
172 sendkeyshort(f_policy ? SADB_X_SPDDUMP: SADB_DUMP);
175 sendkeyshort(f_policy ? SADB_X_SPDFLUSH: SADB_FLUSH);
179 if (get_supported() < 0) {
180 errx(-1, "%s", ipsec_strerror());
202 if ((so = pfkey_open()) < 0) {
203 perror("pfkey_open");
211 if (pfkey_send_register(so, SADB_SATYPE_UNSPEC) < 0)
214 if (pfkey_recv_register(so) < 0)
224 struct sadb_msg *m_msg = (struct sadb_msg *)m_buf;
226 m_len = sizeof(struct sadb_msg);
228 m_msg->sadb_msg_version = PF_KEY_V2;
229 m_msg->sadb_msg_type = type;
230 m_msg->sadb_msg_errno = 0;
231 m_msg->sadb_msg_satype = SADB_SATYPE_UNSPEC;
232 m_msg->sadb_msg_len = PFKEY_UNIT64(m_len);
233 m_msg->sadb_msg_reserved = 0;
234 m_msg->sadb_msg_seq = 0;
235 m_msg->sadb_msg_pid = getpid();
245 struct sadb_msg *m_msg = (struct sadb_msg *)m_buf;
246 u_char rbuf[1024 * 32]; /* XXX: Enough ? Should I do MSG_PEEK ? */
249 m_len = sizeof(struct sadb_msg);
251 m_msg->sadb_msg_version = PF_KEY_V2;
252 m_msg->sadb_msg_type = SADB_X_PROMISC;
253 m_msg->sadb_msg_errno = 0;
254 m_msg->sadb_msg_satype = 1;
255 m_msg->sadb_msg_len = PFKEY_UNIT64(m_len);
256 m_msg->sadb_msg_reserved = 0;
257 m_msg->sadb_msg_seq = 0;
258 m_msg->sadb_msg_pid = getpid();
260 if ((so = socket(PF_KEY, SOCK_RAW, PF_KEY_V2)) < 0) {
261 err(1, "socket(PF_KEY)");
265 if ((len = send(so, m_buf, m_len, 0)) < 0) {
271 struct sadb_msg *base;
273 if ((len = recv(so, rbuf, sizeof(*base), MSG_PEEK)) < 0) {
278 if (len != sizeof(*base))
281 base = (struct sadb_msg *)rbuf;
282 if ((len = recv(so, rbuf, PFKEY_UNUNIT64(base->sadb_msg_len),
290 for (i = 0; i < len; i++) {
293 printf("%02x ", rbuf[i] & 0xff);
300 /* adjust base pointer for promisc mode */
301 if (base->sadb_msg_type == SADB_X_PROMISC) {
302 if (sizeof(*base) < len)
320 u_char rbuf[1024 * 32]; /* XXX: Enough ? Should I do MSG_PEEK ? */
322 struct sadb_msg *msg;
324 if ((so = pfkey_open()) < 0) {
325 perror("pfkey_open");
333 if (setsockopt(so, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) < 0) {
334 perror("setsockopt");
343 kdebug_sadb((struct sadb_msg *)m_buf);
347 if ((len = send(so, m_buf, m_len, 0)) < 0) {
352 msg = (struct sadb_msg *)rbuf;
354 if ((len = recv(so, rbuf, sizeof(rbuf), 0)) < 0) {
359 if (PFKEY_UNUNIT64(msg->sadb_msg_len) != len) {
360 warnx("invalid keymsg length");
365 kdebug_sadb((struct sadb_msg *)rbuf);
368 if (postproc(msg, len) < 0)
370 } while (msg->sadb_msg_errno || msg->sadb_msg_seq);
385 struct sadb_msg *msg;
389 if (msg->sadb_msg_errno != 0) {
393 if (f_mode == MODE_SCRIPT)
394 snprintf(inf, sizeof(inf), "The result of line %d: ", lineno);
398 switch (msg->sadb_msg_errno) {
400 switch (msg->sadb_msg_type) {
403 case SADB_X_SPDDELETE:
407 errmsg = "No SAD entries";
410 errmsg = "No SPD entries";
415 errmsg = strerror(msg->sadb_msg_errno);
417 printf("%s%s.\n", inf, errmsg);
421 switch (msg->sadb_msg_type) {
427 /* filter out DEAD SAs */
429 caddr_t mhp[SADB_EXT_MAX + 1];
431 pfkey_align(msg, mhp);
433 if ((sa = (struct sadb_sa *)mhp[SADB_EXT_SA]) != NULL) {
434 if (sa->sadb_sa_state == SADB_SASTATE_DEAD)
442 msg = (struct sadb_msg *)((caddr_t)msg +
443 PFKEY_UNUNIT64(msg->sadb_msg_len));
445 kdebug_sadb((struct sadb_msg *)msg);
452 if (msg->sadb_msg_seq == 0) break;
453 msg = (struct sadb_msg *)((caddr_t)msg +
454 PFKEY_UNUNIT64(msg->sadb_msg_len));
456 kdebug_sadb((struct sadb_msg *)msg);
465 /*------------------------------------------------------------*/
466 static char *satype[] = {
467 NULL, NULL, "ah", "esp"
469 static char *sastate[] = {
472 static char *ipproto[] = {
473 /*0*/ "ip", "icmp", "igmp", "ggp", "ip4",
474 NULL, "tcp", NULL, "egp", NULL,
475 /*10*/ NULL, NULL, NULL, NULL, NULL,
476 NULL, NULL, "udp", NULL, NULL,
477 /*20*/ NULL, NULL, "idp", NULL, NULL,
478 NULL, NULL, NULL, NULL, "tp",
479 /*30*/ NULL, NULL, NULL, NULL, NULL,
480 NULL, NULL, NULL, NULL, NULL,
481 /*40*/ NULL, "ip6", NULL, "rt6", "frag6",
482 NULL, "rsvp", "gre", NULL, NULL,
483 /*50*/ "esp", "ah", NULL, NULL, NULL,
484 NULL, NULL, NULL, "icmp6", "none",
488 #define STR_OR_ID(x, tab) \
489 (((x) < sizeof(tab)/sizeof(tab[0]) && tab[(x)]) ? tab[(x)] : numstr(x))
496 snprintf(buf, sizeof(buf), "#%d", x);
503 printf("%-4s %-3s %-1s %-8s %-7s %s -> %s\n",
504 "time", "p", "s", "spi", "ltime", "src", "dst");
509 struct sadb_msg *msg;
511 caddr_t mhp[SADB_EXT_MAX + 1];
512 char buf[NI_MAXHOST], pbuf[NI_MAXSERV];
514 struct sadb_address *saddr;
515 struct sadb_lifetime *lts, *lth, *ltc;
518 time_t cur = time(0);
520 pfkey_align(msg, mhp);
523 printf("%02lu%02lu", (u_long)(cur % 3600) / 60, (u_long)(cur % 60));
525 printf(" %-3s", STR_OR_ID(msg->sadb_msg_satype, satype));
527 if ((sa = (struct sadb_sa *)mhp[SADB_EXT_SA]) != NULL) {
528 printf(" %-1s", STR_OR_ID(sa->sadb_sa_state, sastate));
529 printf(" %08x", (u_int32_t)ntohl(sa->sadb_sa_spi));
531 printf("%-1s %-8s", "?", "?");
533 lts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
534 lth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
535 ltc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
536 if (lts && lth && ltc) {
537 if (ltc->sadb_lifetime_addtime == 0)
540 t = (u_long)(cur - ltc->sadb_lifetime_addtime);
542 strcpy(buf, " big/");
544 snprintf(buf, sizeof(buf), " %3lu/", (u_long)t);
547 t = (u_long)lth->sadb_lifetime_addtime;
551 snprintf(buf, sizeof(buf), "%-3lu", (u_long)t);
554 printf(" ??\?/???"); /* backslash to avoid trigraph ??/ */
558 if ((saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC]) != NULL) {
559 if (saddr->sadb_address_proto)
560 printf("%s ", STR_OR_ID(saddr->sadb_address_proto, ipproto));
561 s = (struct sockaddr *)(saddr + 1);
562 getnameinfo(s, s->sa_len, buf, sizeof(buf),
563 pbuf, sizeof(pbuf), NI_NUMERICHOST|NI_NUMERICSERV);
564 if (strcmp(pbuf, "0") != 0)
565 printf("%s[%s]", buf, pbuf);
573 if ((saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST]) != NULL) {
574 if (saddr->sadb_address_proto)
575 printf("%s ", STR_OR_ID(saddr->sadb_address_proto, ipproto));
577 s = (struct sockaddr *)(saddr + 1);
578 getnameinfo(s, s->sa_len, buf, sizeof(buf),
579 pbuf, sizeof(pbuf), NI_NUMERICHOST|NI_NUMERICSERV);
580 if (strcmp(pbuf, "0") != 0)
581 printf("%s[%s]", buf, pbuf);
590 /* From: tcpdump(1):gmt2local.c and util.c */
592 * Print the timestamp
600 if (gettimeofday(&tp, NULL) == -1) {
601 perror("gettimeofday");
607 s = (tp.tv_sec + thiszone ) % 86400;
608 (void)printf("%02d:%02d:%02d.%06u ",
609 s / 3600, (s % 3600) / 60, s % 60, (u_int32_t)tp.tv_usec);
610 } else if (f_tflag > 1) {
611 /* Unix timeval style */
612 (void)printf("%u.%06u ",
613 (u_int32_t)tp.tv_sec, (u_int32_t)tp.tv_usec);
620 * Returns the difference between gmt and local time in seconds.
621 * Use gmtime() and localtime() to keep things simple.
626 register int dt, dir;
627 register struct tm *gmt, *loc;
635 dt = (loc->tm_hour - gmt->tm_hour) * 60 * 60 +
636 (loc->tm_min - gmt->tm_min) * 60;
639 * If the year or julian day is different, we span 00:00 GMT
640 * and must add or subtract a day. Check the year first to
641 * avoid problems when the julian day wraps.
643 dir = loc->tm_year - gmt->tm_year;
645 dir = loc->tm_yday - gmt->tm_yday;
646 dt += dir * 24 * 60 * 60;