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 __P((void));
57 int main __P((int, char **));
58 int get_supported __P((void));
59 void sendkeyshort __P((u_int));
60 void promisc __P((void));
61 int sendkeymsg __P((void));
62 int postproc __P((struct sadb_msg *, int));
63 const char *numstr __P((int));
64 void shortdump_hdr __P((void));
65 void shortdump __P((struct sadb_msg *));
66 static void printdate __P((void));
67 static int32_t gmt2local __P((time_t));
70 #define MODE_CMDDUMP 2
71 #define MODE_CMDFLUSH 3
72 #define MODE_PROMISC 4
90 static time_t thiszone;
94 extern int parse __P((FILE **));
99 printf("Usage:\t%s [-dv] -c\n", pname);
100 printf("\t%s [-dv] -f (file)\n", pname);
101 printf("\t%s [-Padlv] -D\n", pname);
102 printf("\t%s [-Pdv] -F\n", pname);
103 printf("\t%s [-h] -x\n", pname);
118 if (ac == 1) Usage();
120 thiszone = gmt2local(0);
122 while ((c = getopt(ac, av, "acdf:hlvxDFP")) != -1) {
125 f_mode = MODE_SCRIPT;
129 f_mode = MODE_SCRIPT;
130 if ((fp = fopen(optarg, "r")) == NULL) {
136 f_mode = MODE_CMDDUMP;
139 f_mode = MODE_CMDFLUSH;
151 f_mode = MODE_PROMISC;
171 sendkeyshort(f_policy ? SADB_X_SPDDUMP: SADB_DUMP);
174 sendkeyshort(f_policy ? SADB_X_SPDFLUSH: SADB_FLUSH);
178 if (get_supported() < 0) {
179 errx(-1, "%s", ipsec_strerror());
201 if ((so = pfkey_open()) < 0) {
202 perror("pfkey_open");
210 if (pfkey_send_register(so, SADB_SATYPE_UNSPEC) < 0)
213 if (pfkey_recv_register(so) < 0)
223 struct sadb_msg *m_msg = (struct sadb_msg *)m_buf;
225 m_len = sizeof(struct sadb_msg);
227 m_msg->sadb_msg_version = PF_KEY_V2;
228 m_msg->sadb_msg_type = type;
229 m_msg->sadb_msg_errno = 0;
230 m_msg->sadb_msg_satype = SADB_SATYPE_UNSPEC;
231 m_msg->sadb_msg_len = PFKEY_UNIT64(m_len);
232 m_msg->sadb_msg_reserved = 0;
233 m_msg->sadb_msg_seq = 0;
234 m_msg->sadb_msg_pid = getpid();
244 struct sadb_msg *m_msg = (struct sadb_msg *)m_buf;
245 u_char rbuf[1024 * 32]; /* XXX: Enough ? Should I do MSG_PEEK ? */
248 m_len = sizeof(struct sadb_msg);
250 m_msg->sadb_msg_version = PF_KEY_V2;
251 m_msg->sadb_msg_type = SADB_X_PROMISC;
252 m_msg->sadb_msg_errno = 0;
253 m_msg->sadb_msg_satype = 1;
254 m_msg->sadb_msg_len = PFKEY_UNIT64(m_len);
255 m_msg->sadb_msg_reserved = 0;
256 m_msg->sadb_msg_seq = 0;
257 m_msg->sadb_msg_pid = getpid();
259 if ((so = socket(PF_KEY, SOCK_RAW, PF_KEY_V2)) < 0) {
260 err(1, "socket(PF_KEY)");
264 if ((len = send(so, m_buf, m_len, 0)) < 0) {
270 struct sadb_msg *base;
272 if ((len = recv(so, rbuf, sizeof(*base), MSG_PEEK)) < 0) {
277 if (len != sizeof(*base))
280 base = (struct sadb_msg *)rbuf;
281 if ((len = recv(so, rbuf, PFKEY_UNUNIT64(base->sadb_msg_len),
289 for (i = 0; i < len; i++) {
292 printf("%02x ", rbuf[i] & 0xff);
299 /* adjust base pointer for promisc mode */
300 if (base->sadb_msg_type == SADB_X_PROMISC) {
301 if (sizeof(*base) < len)
319 u_char rbuf[1024 * 32]; /* XXX: Enough ? Should I do MSG_PEEK ? */
321 struct sadb_msg *msg;
323 if ((so = pfkey_open()) < 0) {
324 perror("pfkey_open");
332 if (setsockopt(so, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) < 0) {
333 perror("setsockopt");
342 kdebug_sadb((struct sadb_msg *)m_buf);
346 if ((len = send(so, m_buf, m_len, 0)) < 0) {
351 msg = (struct sadb_msg *)rbuf;
353 if ((len = recv(so, rbuf, sizeof(rbuf), 0)) < 0) {
358 if (PFKEY_UNUNIT64(msg->sadb_msg_len) != len) {
359 warnx("invalid keymsg length");
364 kdebug_sadb((struct sadb_msg *)rbuf);
367 if (postproc(msg, len) < 0)
369 } while (msg->sadb_msg_errno || msg->sadb_msg_seq);
384 struct sadb_msg *msg;
388 if (msg->sadb_msg_errno != 0) {
392 if (f_mode == MODE_SCRIPT)
393 snprintf(inf, sizeof(inf), "The result of line %d: ", lineno);
397 switch (msg->sadb_msg_errno) {
399 switch (msg->sadb_msg_type) {
402 case SADB_X_SPDDELETE:
406 errmsg = "No SAD entries";
409 errmsg = "No SPD entries";
414 errmsg = strerror(msg->sadb_msg_errno);
416 printf("%s%s.\n", inf, errmsg);
420 switch (msg->sadb_msg_type) {
426 /* filter out DEAD SAs */
428 caddr_t mhp[SADB_EXT_MAX + 1];
430 pfkey_align(msg, mhp);
432 if ((sa = (struct sadb_sa *)mhp[SADB_EXT_SA]) != NULL) {
433 if (sa->sadb_sa_state == SADB_SASTATE_DEAD)
441 msg = (struct sadb_msg *)((caddr_t)msg +
442 PFKEY_UNUNIT64(msg->sadb_msg_len));
444 kdebug_sadb((struct sadb_msg *)msg);
451 if (msg->sadb_msg_seq == 0) break;
452 msg = (struct sadb_msg *)((caddr_t)msg +
453 PFKEY_UNUNIT64(msg->sadb_msg_len));
455 kdebug_sadb((struct sadb_msg *)msg);
464 /*------------------------------------------------------------*/
465 static char *satype[] = {
466 NULL, NULL, "ah", "esp"
468 static char *sastate[] = {
471 static char *ipproto[] = {
472 /*0*/ "ip", "icmp", "igmp", "ggp", "ip4",
473 NULL, "tcp", NULL, "egp", NULL,
474 /*10*/ NULL, NULL, NULL, NULL, NULL,
475 NULL, NULL, "udp", NULL, NULL,
476 /*20*/ NULL, NULL, "idp", NULL, NULL,
477 NULL, NULL, NULL, NULL, "tp",
478 /*30*/ NULL, NULL, NULL, NULL, NULL,
479 NULL, NULL, NULL, NULL, NULL,
480 /*40*/ NULL, "ip6", NULL, "rt6", "frag6",
481 NULL, "rsvp", "gre", NULL, NULL,
482 /*50*/ "esp", "ah", NULL, NULL, NULL,
483 NULL, NULL, NULL, "icmp6", "none",
487 #define STR_OR_ID(x, tab) \
488 (((x) < sizeof(tab)/sizeof(tab[0]) && tab[(x)]) ? tab[(x)] : numstr(x))
495 snprintf(buf, sizeof(buf), "#%d", x);
502 printf("%-4s %-3s %-1s %-8s %-7s %s -> %s\n",
503 "time", "p", "s", "spi", "ltime", "src", "dst");
508 struct sadb_msg *msg;
510 caddr_t mhp[SADB_EXT_MAX + 1];
511 char buf[1024], pbuf[10];
513 struct sadb_address *saddr;
514 struct sadb_lifetime *lts, *lth, *ltc;
517 time_t cur = time(0);
519 pfkey_align(msg, mhp);
522 printf("%02lu%02lu", (u_long)(cur % 3600) / 60, (u_long)(cur % 60));
524 printf(" %-3s", STR_OR_ID(msg->sadb_msg_satype, satype));
526 if ((sa = (struct sadb_sa *)mhp[SADB_EXT_SA]) != NULL) {
527 printf(" %-1s", STR_OR_ID(sa->sadb_sa_state, sastate));
528 printf(" %08x", (u_int32_t)ntohl(sa->sadb_sa_spi));
530 printf("%-1s %-8s", "?", "?");
532 lts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
533 lth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
534 ltc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
535 if (lts && lth && ltc) {
536 if (ltc->sadb_lifetime_addtime == 0)
539 t = (u_long)(cur - ltc->sadb_lifetime_addtime);
541 strcpy(buf, " big/");
543 snprintf(buf, sizeof(buf), " %3lu/", (u_long)t);
546 t = (u_long)lth->sadb_lifetime_addtime;
550 snprintf(buf, sizeof(buf), "%-3lu", (u_long)t);
553 printf(" ??\?/???"); /* backslash to avoid trigraph ??/ */
557 if ((saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC]) != NULL) {
558 if (saddr->sadb_address_proto)
559 printf("%s ", STR_OR_ID(saddr->sadb_address_proto, ipproto));
560 s = (struct sockaddr *)(saddr + 1);
561 getnameinfo(s, s->sa_len, buf, sizeof(buf),
562 pbuf, sizeof(pbuf), NI_NUMERICHOST|NI_NUMERICSERV);
563 if (strcmp(pbuf, "0") != 0)
564 printf("%s[%s]", buf, pbuf);
572 if ((saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST]) != NULL) {
573 if (saddr->sadb_address_proto)
574 printf("%s ", STR_OR_ID(saddr->sadb_address_proto, ipproto));
576 s = (struct sockaddr *)(saddr + 1);
577 getnameinfo(s, s->sa_len, buf, sizeof(buf),
578 pbuf, sizeof(pbuf), NI_NUMERICHOST|NI_NUMERICSERV);
579 if (strcmp(pbuf, "0") != 0)
580 printf("%s[%s]", buf, pbuf);
589 /* From: tcpdump(1):gmt2local.c and util.c */
591 * Print the timestamp
599 if (gettimeofday(&tp, NULL) == -1) {
600 perror("gettimeofday");
606 s = (tp.tv_sec + thiszone ) % 86400;
607 (void)printf("%02d:%02d:%02d.%06u ",
608 s / 3600, (s % 3600) / 60, s % 60, (u_int32_t)tp.tv_usec);
609 } else if (f_tflag > 1) {
610 /* Unix timeval style */
611 (void)printf("%u.%06u ",
612 (u_int32_t)tp.tv_sec, (u_int32_t)tp.tv_usec);
619 * Returns the difference between gmt and local time in seconds.
620 * Use gmtime() and localtime() to keep things simple.
625 register int dt, dir;
626 register struct tm *gmt, *loc;
634 dt = (loc->tm_hour - gmt->tm_hour) * 60 * 60 +
635 (loc->tm_min - gmt->tm_min) * 60;
638 * If the year or julian day is different, we span 00:00 GMT
639 * and must add or subtract a day. Check the year first to
640 * avoid problems when the julian day wraps.
642 dir = loc->tm_year - gmt->tm_year;
644 dir = loc->tm_yday - gmt->tm_yday;
645 dt += dir * 24 * 60 * 60;