xref: /openbsd-src/sbin/route/show.c (revision 78750f6a7f8fdabbd114bf8e1d142833c017b518)
1*78750f6aSclaudio /*	$OpenBSD: show.c,v 1.122 2023/03/15 08:42:14 claudio Exp $	*/
2d6e99e75Sderaadt /*	$NetBSD: show.c,v 1.1 1996/11/15 18:01:41 gwr Exp $	*/
3d6e99e75Sderaadt 
4d6e99e75Sderaadt /*
5d6e99e75Sderaadt  * Copyright (c) 1983, 1988, 1993
6d6e99e75Sderaadt  *	The Regents of the University of California.  All rights reserved.
7d6e99e75Sderaadt  *
8d6e99e75Sderaadt  * Redistribution and use in source and binary forms, with or without
9d6e99e75Sderaadt  * modification, are permitted provided that the following conditions
10d6e99e75Sderaadt  * are met:
11d6e99e75Sderaadt  * 1. Redistributions of source code must retain the above copyright
12d6e99e75Sderaadt  *    notice, this list of conditions and the following disclaimer.
13d6e99e75Sderaadt  * 2. Redistributions in binary form must reproduce the above copyright
14d6e99e75Sderaadt  *    notice, this list of conditions and the following disclaimer in the
15d6e99e75Sderaadt  *    documentation and/or other materials provided with the distribution.
161ef0d710Smillert  * 3. Neither the name of the University nor the names of its contributors
17d6e99e75Sderaadt  *    may be used to endorse or promote products derived from this software
18d6e99e75Sderaadt  *    without specific prior written permission.
19d6e99e75Sderaadt  *
20d6e99e75Sderaadt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21d6e99e75Sderaadt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22d6e99e75Sderaadt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23d6e99e75Sderaadt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24d6e99e75Sderaadt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25d6e99e75Sderaadt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26d6e99e75Sderaadt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27d6e99e75Sderaadt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28d6e99e75Sderaadt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29d6e99e75Sderaadt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30d6e99e75Sderaadt  * SUCH DAMAGE.
31d6e99e75Sderaadt  */
32d6e99e75Sderaadt 
33d6e99e75Sderaadt #include <sys/socket.h>
3483ad6ee6Sjaredy #include <sys/sysctl.h>
35d6e99e75Sderaadt 
36d6e99e75Sderaadt #include <net/if.h>
37d6e99e75Sderaadt #include <net/if_dl.h>
38d6e99e75Sderaadt #include <net/if_types.h>
39d6e99e75Sderaadt #include <net/route.h>
4072366f00Sdenis #include <net/rtable.h>
41d6e99e75Sderaadt #include <netinet/in.h>
421df685b9Sclaudio #include <netinet/if_ether.h>
43b6118fc6Snorby #include <netmpls/mpls.h>
44308a718eSangelos #include <arpa/inet.h>
45d6e99e75Sderaadt 
460ad8617cSjaredy #include <err.h>
4726320e18Sclaudio #include <errno.h>
48d6e99e75Sderaadt #include <netdb.h>
49d6e99e75Sderaadt #include <stdio.h>
501df685b9Sclaudio #include <stddef.h>
51d6e99e75Sderaadt #include <stdlib.h>
52d6e99e75Sderaadt #include <string.h>
53d6e99e75Sderaadt #include <unistd.h>
54b9fc9a72Sderaadt #include <limits.h>
55d6e99e75Sderaadt 
561df685b9Sclaudio #include "show.h"
571df685b9Sclaudio 
580a986e66Shenning char	*any_ntoa(const struct sockaddr *);
590a986e66Shenning char	*link_print(struct sockaddr *);
60b34884bdSclaudio char	*label_print(struct sockaddr *);
610a986e66Shenning 
62ba44cc4eSderaadt #define ROUNDUP(a) \
63ba44cc4eSderaadt 	((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
64ba44cc4eSderaadt #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
65ba44cc4eSderaadt 
66d6e99e75Sderaadt /*
67d6e99e75Sderaadt  * Definitions for showing gateway flags.
68d6e99e75Sderaadt  */
69d6e99e75Sderaadt struct bits {
708eb26860Sitojun 	int	b_mask;
71d6e99e75Sderaadt 	char	b_val;
72d6e99e75Sderaadt };
73d6e99e75Sderaadt static const struct bits bits[] = {
74d6e99e75Sderaadt 	{ RTF_UP,	'U' },
75d6e99e75Sderaadt 	{ RTF_GATEWAY,	'G' },
76d6e99e75Sderaadt 	{ RTF_HOST,	'H' },
77d6e99e75Sderaadt 	{ RTF_REJECT,	'R' },
78d6e99e75Sderaadt 	{ RTF_DYNAMIC,	'D' },
79d6e99e75Sderaadt 	{ RTF_MODIFIED,	'M' },
80d6e99e75Sderaadt 	{ RTF_CLONING,	'C' },
81b71b7f0aSmpi 	{ RTF_MULTICAST,'m' },
82d6e99e75Sderaadt 	{ RTF_LLINFO,	'L' },
83d6e99e75Sderaadt 	{ RTF_STATIC,	'S' },
843e162145Sbluhm 	{ RTF_BLACKHOLE,'B' },
858eb26860Sitojun 	{ RTF_PROTO3,	'3' },
863e162145Sbluhm 	{ RTF_PROTO2,	'2' },
873e162145Sbluhm 	{ RTF_PROTO1,	'1' },
888eb26860Sitojun 	{ RTF_CLONED,	'c' },
893e162145Sbluhm 	{ RTF_CACHED,	'h' },
904ff647d2Sclaudio 	{ RTF_MPATH,	'P' },
91607bb979Smichele 	{ RTF_MPLS,	'T' },
92d8b371b3Smpi 	{ RTF_LOCAL,	'l' },
930fa555c9Sphessler 	{ RTF_BFD,	'F' },
94d8b371b3Smpi 	{ RTF_BROADCAST,'b' },
953e162145Sbluhm 	{ RTF_CONNECTED,'n' },
96d6e99e75Sderaadt 	{ 0 }
97d6e99e75Sderaadt };
98d6e99e75Sderaadt 
991dcb3c4fSguenther int	 WID_DST(int);
10071bcbad1Sclaudio void	 pr_rthdr(int);
10171bcbad1Sclaudio void	 p_rtentry(struct rt_msghdr *);
1021df685b9Sclaudio void	 pr_family(int);
103a9fdc609Smichele void	 p_sockaddr_mpls(struct sockaddr *, struct sockaddr *, int, int);
1041df685b9Sclaudio void	 p_flags(int, char *);
1051df685b9Sclaudio char	*routename4(in_addr_t);
1061df685b9Sclaudio char	*routename6(struct sockaddr_in6 *);
1071dcb3c4fSguenther char	*netname4(in_addr_t, struct sockaddr_in *);
1081dcb3c4fSguenther char	*netname6(struct sockaddr_in6 *, struct sockaddr_in6 *);
109b87f6493Shshoexer 
1102bb0aea7Sflorian size_t
get_sysctl(const int * mib,u_int mcnt,char ** buf)1112bb0aea7Sflorian get_sysctl(const int *mib, u_int mcnt, char **buf)
1122bb0aea7Sflorian {
1132bb0aea7Sflorian 	size_t needed;
1142bb0aea7Sflorian 
1152bb0aea7Sflorian 	while (1) {
1162bb0aea7Sflorian 		if (sysctl(mib, mcnt, NULL, &needed, NULL, 0) == -1)
1172bb0aea7Sflorian 			err(1, "sysctl-estimate");
1182bb0aea7Sflorian 		if (needed == 0)
1192bb0aea7Sflorian 			break;
1202bb0aea7Sflorian 		if ((*buf = realloc(*buf, needed)) == NULL)
1212bb0aea7Sflorian 			err(1, NULL);
1222bb0aea7Sflorian 		if (sysctl(mib, mcnt, *buf, &needed, NULL, 0) == -1) {
1232bb0aea7Sflorian 			if (errno == ENOMEM)
1242bb0aea7Sflorian 				continue;
1252bb0aea7Sflorian 			err(1, "sysctl");
1262bb0aea7Sflorian 		}
1272bb0aea7Sflorian 		break;
1282bb0aea7Sflorian 	}
1292bb0aea7Sflorian 
1302bb0aea7Sflorian 	return needed;
1312bb0aea7Sflorian }
1322bb0aea7Sflorian 
133d6e99e75Sderaadt /*
13472366f00Sdenis  * Print preferred source address
13572366f00Sdenis  */
13672366f00Sdenis void
printsource(int af,u_int tableid)13772366f00Sdenis printsource(int af, u_int tableid)
13872366f00Sdenis {
139*78750f6aSclaudio 	struct sockaddr *sa, *sa4 = NULL, *sa6 = NULL;
14072366f00Sdenis 	char *buf = NULL, *next, *lim = NULL;
14172366f00Sdenis 	size_t needed;
142*78750f6aSclaudio 	int mib[7], mcnt;
14372366f00Sdenis 
14472366f00Sdenis 	mib[0] = CTL_NET;
14572366f00Sdenis 	mib[1] = PF_ROUTE;
14672366f00Sdenis 	mib[2] = 0;
14772366f00Sdenis 	mib[3] = af;
14872366f00Sdenis 	mib[4] = NET_RT_SOURCE;
14972366f00Sdenis 	mib[5] = tableid;
15072366f00Sdenis 	mcnt = 6;
15172366f00Sdenis 
15272366f00Sdenis 	needed = get_sysctl(mib, mcnt, &buf);
15372366f00Sdenis 	lim = buf + needed;
15472366f00Sdenis 
15572366f00Sdenis 	if (pledge("stdio", NULL) == -1)
15672366f00Sdenis 		err(1, "pledge");
15772366f00Sdenis 
15872366f00Sdenis 	if (buf) {
159*78750f6aSclaudio 		for (next = buf; next < lim; next += sa->sa_len) {
16072366f00Sdenis 			sa = (struct sockaddr *)next;
16172366f00Sdenis 			switch (sa->sa_family) {
16272366f00Sdenis 			case AF_INET:
163*78750f6aSclaudio 				sa4 = sa;
16472366f00Sdenis 				break;
16572366f00Sdenis 			case AF_INET6:
166*78750f6aSclaudio 				sa6 = sa;
16772366f00Sdenis 				break;
16872366f00Sdenis 			}
169*78750f6aSclaudio 		}
170*78750f6aSclaudio 	}
171*78750f6aSclaudio 
172*78750f6aSclaudio 	printf("Preferred source address set for rdomain %d\n", tableid);
173*78750f6aSclaudio 	printf("IPv4: ");
174*78750f6aSclaudio 	if (sa4 != NULL)
175*78750f6aSclaudio 		p_sockaddr(sa4, NULL, RTF_HOST, WID_DST(sa4->sa_family));
176*78750f6aSclaudio 	else
177*78750f6aSclaudio 		printf("default");
17872366f00Sdenis 	printf("\n");
179*78750f6aSclaudio 	printf("IPv6: ");
180*78750f6aSclaudio 	if (sa6 != NULL)
181*78750f6aSclaudio 		p_sockaddr(sa6, NULL, RTF_HOST, WID_DST(sa6->sa_family));
182*78750f6aSclaudio 	else
183*78750f6aSclaudio 		printf("default");
184*78750f6aSclaudio 	printf("\n");
18572366f00Sdenis 	free(buf);
18672366f00Sdenis 
18772366f00Sdenis 	exit(0);
18872366f00Sdenis }
18972366f00Sdenis /*
190d6e99e75Sderaadt  * Print routing tables.
191d6e99e75Sderaadt  */
192d6e99e75Sderaadt void
p_rttables(int af,u_int tableid,char prio)19308cb557aSflorian p_rttables(int af, u_int tableid, char prio)
194d6e99e75Sderaadt {
19549ea0d1cSmillert 	struct rt_msghdr *rtm;
196a4df0321Sderaadt 	char *buf = NULL, *next, *lim = NULL;
197d6e99e75Sderaadt 	size_t needed;
1982bb0aea7Sflorian 	int mib[7], mcnt;
199d6e99e75Sderaadt 
200d6e99e75Sderaadt 	mib[0] = CTL_NET;
201d6e99e75Sderaadt 	mib[1] = PF_ROUTE;
202d6e99e75Sderaadt 	mib[2] = 0;
2031df685b9Sclaudio 	mib[3] = af;
204d6e99e75Sderaadt 	mib[4] = NET_RT_DUMP;
20572ba3a7eSphessler 	mib[5] = prio;
206344809a6Shenning 	mib[6] = tableid;
2072bb0aea7Sflorian 	mcnt = 7;
208344809a6Shenning 
2092bb0aea7Sflorian 	needed = get_sysctl(mib, mcnt, &buf);
210d6e99e75Sderaadt 	lim = buf + needed;
211d6e99e75Sderaadt 
2123d16049cSflorian 	if (pledge("stdio dns", NULL) == -1)
213e77d3933Sderaadt 		err(1, "pledge");
214e77d3933Sderaadt 
215d6e99e75Sderaadt 	printf("Routing tables\n");
216d6e99e75Sderaadt 
217ae5c8ec3Sderaadt 	if (buf) {
218d6e99e75Sderaadt 		for (next = buf; next < lim; next += rtm->rtm_msglen) {
219d6e99e75Sderaadt 			rtm = (struct rt_msghdr *)next;
22079f0a38bSclaudio 			if (rtm->rtm_version != RTM_VERSION)
22179f0a38bSclaudio 				continue;
22271bcbad1Sclaudio 			p_rtentry(rtm);
223d6e99e75Sderaadt 		}
224b87f6493Shshoexer 	}
2252bb0aea7Sflorian 	free(buf);
226d6e99e75Sderaadt }
227d6e99e75Sderaadt 
2283daa1b6bShenning /*
2293daa1b6bShenning  * column widths; each followed by one space
2303daa1b6bShenning  * width of destination/gateway column
2312150c9baSkn  * strlen("2001:0db8:3333:4444:5555:6666:7777:8888") == 39
2323daa1b6bShenning  */
2332150c9baSkn #define	WID_GW(af)	((af) == AF_INET6 ? 39 : 18)
234d6e99e75Sderaadt 
235c503ac7fSnorby int
WID_DST(int af)236c503ac7fSnorby WID_DST(int af)
237c503ac7fSnorby {
238c503ac7fSnorby 
239c503ac7fSnorby 	switch (af) {
240c503ac7fSnorby 	case AF_MPLS:
241b34884bdSclaudio 		return 9;
242c503ac7fSnorby 	case AF_INET6:
2432150c9baSkn 		/* WID_GW() + strlen("/128")  == 4 */
2442150c9baSkn 		return 43;
245c503ac7fSnorby 	default:
246c503ac7fSnorby 		return 18;
247c503ac7fSnorby 	}
248c503ac7fSnorby }
249c503ac7fSnorby 
250d6e99e75Sderaadt /*
251d6e99e75Sderaadt  * Print header for routing table columns.
252d6e99e75Sderaadt  */
2531df685b9Sclaudio void
pr_rthdr(int af)25471bcbad1Sclaudio pr_rthdr(int af)
255d6e99e75Sderaadt {
256b6118fc6Snorby 	switch (af) {
257b6118fc6Snorby 	case PF_KEY:
258b6118fc6Snorby 		printf("%-18s %-5s %-18s %-5s %-5s %-22s\n",
259b6118fc6Snorby 		    "Source", "Port", "Destination",
260b6118fc6Snorby 		    "Port", "Proto", "SA(Address/Proto/Type/Direction)");
261b6118fc6Snorby 		break;
262b6118fc6Snorby 	case PF_MPLS:
263b34884bdSclaudio 		printf("%-9s %-9s %-6s %-18s %-6.6s %5.5s %8.8s %5.5s  %4.4s %s\n",
264b6118fc6Snorby 		    "In label", "Out label", "Op", "Gateway",
2654133b1faSnorby 		    "Flags", "Refs", "Use", "Mtu", "Prio", "Interface");
266b6118fc6Snorby 		break;
267b6118fc6Snorby 	default:
2684ad9e68bSbluhm 		printf("%-*.*s %-*.*s %-6.6s %5.5s %8.8s %5.5s  %4.4s %s",
2691df685b9Sclaudio 		    WID_DST(af), WID_DST(af), "Destination",
2701df685b9Sclaudio 		    WID_GW(af), WID_GW(af), "Gateway",
271b2514765Sclaudio 		    "Flags", "Refs", "Use", "Mtu", "Prio", "Iface");
2724ad9e68bSbluhm 		if (verbose)
2734ad9e68bSbluhm 			printf(" %s", "Label");
2744ad9e68bSbluhm 		putchar('\n');
275b2514765Sclaudio 		break;
276b6118fc6Snorby 	}
2771df685b9Sclaudio }
2781df685b9Sclaudio 
279c42ab22aSmpi void
get_rtaddrs(int addrs,struct sockaddr * sa,struct sockaddr ** rti_info)2801df685b9Sclaudio get_rtaddrs(int addrs, struct sockaddr *sa, struct sockaddr **rti_info)
2811df685b9Sclaudio {
2821df685b9Sclaudio 	int	i;
2831df685b9Sclaudio 
2841df685b9Sclaudio 	for (i = 0; i < RTAX_MAX; i++) {
2851df685b9Sclaudio 		if (addrs & (1 << i)) {
2861df685b9Sclaudio 			rti_info[i] = sa;
2871df685b9Sclaudio 			sa = (struct sockaddr *)((char *)(sa) +
2881df685b9Sclaudio 			    ROUNDUP(sa->sa_len));
2891df685b9Sclaudio 		} else
2901df685b9Sclaudio 			rti_info[i] = NULL;
291d6e99e75Sderaadt 	}
29233af7268Scedric }
293d6e99e75Sderaadt 
294d6e99e75Sderaadt /*
295d6e99e75Sderaadt  * Print a routing table entry.
296d6e99e75Sderaadt  */
2971df685b9Sclaudio void
p_rtentry(struct rt_msghdr * rtm)29871bcbad1Sclaudio p_rtentry(struct rt_msghdr *rtm)
299d6e99e75Sderaadt {
3001df685b9Sclaudio 	static int	 old_af = -1;
301a1f89eabSchris 	struct sockaddr	*sa = (struct sockaddr *)((char *)rtm + rtm->rtm_hdrlen);
3021df685b9Sclaudio 	struct sockaddr	*mask, *rti_info[RTAX_MAX];
3031df685b9Sclaudio 	char		 ifbuf[IF_NAMESIZE];
304e1aca1feSkrw 	char		*label;
305d6e99e75Sderaadt 
306b87f6493Shshoexer 	if (sa->sa_family == AF_KEY)
307b87f6493Shshoexer 		return;
3081df685b9Sclaudio 
309bd1c209dSpyr 	get_rtaddrs(rtm->rtm_addrs, sa, rti_info);
310e1aca1feSkrw 
311bd1c209dSpyr 	if (Fflag && rti_info[RTAX_GATEWAY]->sa_family != sa->sa_family) {
312bd1c209dSpyr 		return;
313bd1c209dSpyr 	}
314e1aca1feSkrw 
315e1aca1feSkrw 	if (strlen(so_label.rtlabel.sr_label)) {
316e1aca1feSkrw 		if (!rti_info[RTAX_LABEL])
317e1aca1feSkrw 			return;
318e1aca1feSkrw 		label = ((struct sockaddr_rtlabel *)rti_info[RTAX_LABEL])->
319e1aca1feSkrw 		    sr_label;
320e1aca1feSkrw 		if (strcmp(label, so_label.rtlabel.sr_label))
321e1aca1feSkrw 			return;
322e1aca1feSkrw 	}
323e1aca1feSkrw 
3241df685b9Sclaudio 	if (old_af != sa->sa_family) {
3251df685b9Sclaudio 		old_af = sa->sa_family;
3261df685b9Sclaudio 		pr_family(sa->sa_family);
32771bcbad1Sclaudio 		pr_rthdr(sa->sa_family);
328d6e99e75Sderaadt 	}
3291df685b9Sclaudio 
3301df685b9Sclaudio 	mask = rti_info[RTAX_NETMASK];
3311df685b9Sclaudio 	if ((sa = rti_info[RTAX_DST]) == NULL)
3321df685b9Sclaudio 		return;
3331df685b9Sclaudio 
3341df685b9Sclaudio 	p_sockaddr(sa, mask, rtm->rtm_flags, WID_DST(sa->sa_family));
335fb1d6235Smichele 	p_sockaddr_mpls(sa, rti_info[RTAX_SRC], rtm->rtm_mpls,
336a9fdc609Smichele 	    WID_DST(sa->sa_family));
337a9fdc609Smichele 
3387ce41f92Sclaudio 	p_sockaddr(rti_info[RTAX_GATEWAY], NULL, RTF_HOST,
3397ce41f92Sclaudio 	    WID_GW(sa->sa_family));
340ccf162e1Smichele 
3411df685b9Sclaudio 	p_flags(rtm->rtm_flags, "%-6.6s ");
342b2514765Sclaudio 	printf("%5u %8llu ", rtm->rtm_rmx.rmx_refcnt,
3437ce41f92Sclaudio 	    rtm->rtm_rmx.rmx_pksent);
3441df685b9Sclaudio 	if (rtm->rtm_rmx.rmx_mtu)
345b2514765Sclaudio 		printf("%5u ", rtm->rtm_rmx.rmx_mtu);
3461df685b9Sclaudio 	else
347b2514765Sclaudio 		printf("%5s ", "-");
3481df685b9Sclaudio 	putchar((rtm->rtm_rmx.rmx_locks & RTV_MTU) ? 'L' : ' ');
3494ad9e68bSbluhm 	printf("  %2d %-5.16s", rtm->rtm_priority,
350b2514765Sclaudio 	    if_indextoname(rtm->rtm_index, ifbuf));
3514ad9e68bSbluhm 	if (verbose && rti_info[RTAX_LABEL])
3527dfba599Sclaudio 		printf(" %s", routename(rti_info[RTAX_LABEL]));
353d6e99e75Sderaadt 	putchar('\n');
354d6e99e75Sderaadt }
355d6e99e75Sderaadt 
356308a718eSangelos /*
357d6e99e75Sderaadt  * Print address family header before a section of the routing table.
358d6e99e75Sderaadt  */
3591df685b9Sclaudio void
pr_family(int af)36083ad6ee6Sjaredy pr_family(int af)
361d6e99e75Sderaadt {
362d6e99e75Sderaadt 	char *afname;
363d6e99e75Sderaadt 
364d6e99e75Sderaadt 	switch (af) {
365d6e99e75Sderaadt 	case AF_INET:
366d6e99e75Sderaadt 		afname = "Internet";
367d6e99e75Sderaadt 		break;
368d8435f62Sitojun 	case AF_INET6:
369d8435f62Sitojun 		afname = "Internet6";
370d8435f62Sitojun 		break;
3711df685b9Sclaudio 	case PF_KEY:
3721df685b9Sclaudio 		afname = "Encap";
3731df685b9Sclaudio 		break;
374b6118fc6Snorby 	case AF_MPLS:
375b6118fc6Snorby 		afname = "MPLS";
376b6118fc6Snorby 		break;
377d6e99e75Sderaadt 	default:
378d6e99e75Sderaadt 		afname = NULL;
379d6e99e75Sderaadt 		break;
380d6e99e75Sderaadt 	}
381d6e99e75Sderaadt 	if (afname)
382d6e99e75Sderaadt 		printf("\n%s:\n", afname);
383d6e99e75Sderaadt 	else
384d6e99e75Sderaadt 		printf("\nProtocol Family %d:\n", af);
385d6e99e75Sderaadt }
386d6e99e75Sderaadt 
3871df685b9Sclaudio void
p_sockaddr(struct sockaddr * sa,struct sockaddr * mask,int flags,int width)3881df685b9Sclaudio p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
3891df685b9Sclaudio {
3901df685b9Sclaudio 	char *cp;
391d6e99e75Sderaadt 
392d6e99e75Sderaadt 	switch (sa->sa_family) {
393d8435f62Sitojun 	case AF_INET6:
394d8435f62Sitojun 	    {
3951df685b9Sclaudio 		struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
396e97c9788Sflorian #ifdef __KAME__
3971df685b9Sclaudio 		struct in6_addr *in6 = &sa6->sin6_addr;
398d8435f62Sitojun 
3991df685b9Sclaudio 		/*
4001df685b9Sclaudio 		 * XXX: This is a special workaround for KAME kernels.
4011df685b9Sclaudio 		 * sin6_scope_id field of SA should be set in the future.
4021df685b9Sclaudio 		 */
4032f1d6715Sclaudio 		if ((IN6_IS_ADDR_LINKLOCAL(in6) ||
404d4070096Sitojun 		    IN6_IS_ADDR_MC_LINKLOCAL(in6) ||
4052f1d6715Sclaudio 		    IN6_IS_ADDR_MC_INTFACELOCAL(in6)) &&
4062f1d6715Sclaudio 		    sa6->sin6_scope_id == 0) {
4071df685b9Sclaudio 			/* XXX: override is ok? */
4081df685b9Sclaudio 			sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)
4091df685b9Sclaudio 			    &in6->s6_addr[2]);
4101df685b9Sclaudio 			*(u_short *)&in6->s6_addr[2] = 0;
4111df685b9Sclaudio 		}
412e97c9788Sflorian #endif
4131df685b9Sclaudio 		if (flags & RTF_HOST)
4141df685b9Sclaudio 			cp = routename((struct sockaddr *)sa6);
4151df685b9Sclaudio 		else
4161df685b9Sclaudio 			cp = netname((struct sockaddr *)sa6, mask);
417d8435f62Sitojun 		break;
418d8435f62Sitojun 	    }
419ccf162e1Smichele 	case AF_MPLS:
420a9fdc609Smichele 		return;
421d6e99e75Sderaadt 	default:
4221df685b9Sclaudio 		if ((flags & RTF_HOST) || mask == NULL)
4231df685b9Sclaudio 			cp = routename(sa);
4241df685b9Sclaudio 		else
42523322319Sotto 			cp = netname(sa, mask);
42683ad6ee6Sjaredy 		break;
427d6e99e75Sderaadt 	}
428d6e99e75Sderaadt 	if (width < 0)
429d6e99e75Sderaadt 		printf("%s", cp);
430d6e99e75Sderaadt 	else {
431d6e99e75Sderaadt 		if (nflag)
432d6e99e75Sderaadt 			printf("%-*s ", width, cp);
433d6e99e75Sderaadt 		else
434d6e99e75Sderaadt 			printf("%-*.*s ", width, width, cp);
435d6e99e75Sderaadt 	}
436d6e99e75Sderaadt }
437d6e99e75Sderaadt 
438b9fc9a72Sderaadt static char line[HOST_NAME_MAX+1];
439b9fc9a72Sderaadt static char domain[HOST_NAME_MAX+1];
440a9fdc609Smichele 
441a9fdc609Smichele void
p_sockaddr_mpls(struct sockaddr * in,struct sockaddr * out,int flags,int width)442a9fdc609Smichele p_sockaddr_mpls(struct sockaddr *in, struct sockaddr *out, int flags, int width)
443a9fdc609Smichele {
444a9fdc609Smichele 	if (in->sa_family != AF_MPLS)
445a9fdc609Smichele 		return;
446a9fdc609Smichele 
447b34884bdSclaudio 	if (flags & MPLS_OP_POP || flags == MPLS_OP_LOCAL) {
448b34884bdSclaudio 		printf("%-*s ", width, label_print(in));
449b34884bdSclaudio 		printf("%-*s ", width, label_print(NULL));
450b34884bdSclaudio 	} else {
451b34884bdSclaudio 		printf("%-*s ", width, label_print(in));
452b34884bdSclaudio 		printf("%-*s ", width, label_print(out));
453b34884bdSclaudio 	}
454a9fdc609Smichele 
455b34884bdSclaudio 	printf("%-6s ", mpls_op(flags));
456a9fdc609Smichele }
457a9fdc609Smichele 
4581df685b9Sclaudio void
p_flags(int f,char * format)4591df685b9Sclaudio p_flags(int f, char *format)
460d6e99e75Sderaadt {
461d6e99e75Sderaadt 	char name[33], *flags;
46249ea0d1cSmillert 	const struct bits *p = bits;
463d6e99e75Sderaadt 
46483ad6ee6Sjaredy 	for (flags = name; p->b_mask && flags < &name[sizeof(name) - 2]; p++)
465d6e99e75Sderaadt 		if (p->b_mask & f)
466d6e99e75Sderaadt 			*flags++ = p->b_val;
467d6e99e75Sderaadt 	*flags = '\0';
468d6e99e75Sderaadt 	printf(format, name);
469d6e99e75Sderaadt }
4701df685b9Sclaudio 
4711df685b9Sclaudio char *
routename(struct sockaddr * sa)4721df685b9Sclaudio routename(struct sockaddr *sa)
4731df685b9Sclaudio {
4741df685b9Sclaudio 	char *cp = NULL;
4751df685b9Sclaudio 	static int first = 1;
4761df685b9Sclaudio 
4771df685b9Sclaudio 	if (first) {
4781df685b9Sclaudio 		first = 0;
47983ad6ee6Sjaredy 		if (gethostname(domain, sizeof(domain)) == 0 &&
4801df685b9Sclaudio 		    (cp = strchr(domain, '.')))
481c1a2d7d8Sclaudio 			(void)strlcpy(domain, cp + 1, sizeof(domain));
4821df685b9Sclaudio 		else
48383ad6ee6Sjaredy 			domain[0] = '\0';
4841df685b9Sclaudio 		cp = NULL;
4851df685b9Sclaudio 	}
4861df685b9Sclaudio 
4876dc066d2Sjaredy 	if (sa->sa_len == 0) {
488c1a2d7d8Sclaudio 		(void)strlcpy(line, "default", sizeof(line));
4896dc066d2Sjaredy 		return (line);
4906dc066d2Sjaredy 	}
4916dc066d2Sjaredy 
4926dc066d2Sjaredy 	switch (sa->sa_family) {
4931df685b9Sclaudio 	case AF_INET:
4941df685b9Sclaudio 		return
4951df685b9Sclaudio 		    (routename4(((struct sockaddr_in *)sa)->sin_addr.s_addr));
4961df685b9Sclaudio 
4971df685b9Sclaudio 	case AF_INET6:
4981df685b9Sclaudio 	    {
4991df685b9Sclaudio 		struct sockaddr_in6 sin6;
5001df685b9Sclaudio 
5011df685b9Sclaudio 		memset(&sin6, 0, sizeof(sin6));
5021df685b9Sclaudio 		memcpy(&sin6, sa, sa->sa_len);
5031df685b9Sclaudio 		sin6.sin6_len = sizeof(struct sockaddr_in6);
5041df685b9Sclaudio 		sin6.sin6_family = AF_INET6;
505e97c9788Sflorian #ifdef __KAME__
5061df685b9Sclaudio 		if (sa->sa_len == sizeof(struct sockaddr_in6) &&
5071df685b9Sclaudio 		    (IN6_IS_ADDR_LINKLOCAL(&sin6.sin6_addr) ||
508d4070096Sitojun 		     IN6_IS_ADDR_MC_LINKLOCAL(&sin6.sin6_addr) ||
509d4070096Sitojun 		     IN6_IS_ADDR_MC_INTFACELOCAL(&sin6.sin6_addr)) &&
5101df685b9Sclaudio 		    sin6.sin6_scope_id == 0) {
5111df685b9Sclaudio 			sin6.sin6_scope_id =
5121df685b9Sclaudio 			    ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]);
5131df685b9Sclaudio 			sin6.sin6_addr.s6_addr[2] = 0;
5141df685b9Sclaudio 			sin6.sin6_addr.s6_addr[3] = 0;
5151df685b9Sclaudio 		}
516e97c9788Sflorian #endif
5171df685b9Sclaudio 		return (routename6(&sin6));
5181df685b9Sclaudio 	    }
5191df685b9Sclaudio 
5201df685b9Sclaudio 	case AF_LINK:
5211df685b9Sclaudio 		return (link_print(sa));
522b6118fc6Snorby 	case AF_MPLS:
523b34884bdSclaudio 		return (label_print(sa));
52430ebef76Sjaredy 	case AF_UNSPEC:
52530ebef76Sjaredy 		if (sa->sa_len == sizeof(struct sockaddr_rtlabel)) {
5267dfba599Sclaudio 			static char name[RTLABEL_LEN + 2];
52730ebef76Sjaredy 			struct sockaddr_rtlabel *sr;
52830ebef76Sjaredy 
52930ebef76Sjaredy 			sr = (struct sockaddr_rtlabel *)sa;
5307dfba599Sclaudio 			snprintf(name, sizeof(name), "\"%s\"", sr->sr_label);
53130ebef76Sjaredy 			return (name);
53230ebef76Sjaredy 		}
53330ebef76Sjaredy 		/* FALLTHROUGH */
5341df685b9Sclaudio 	default:
535c1a2d7d8Sclaudio 		(void)snprintf(line, sizeof(line), "(%d) %s",
5361df685b9Sclaudio 		    sa->sa_family, any_ntoa(sa));
5371df685b9Sclaudio 		break;
5381df685b9Sclaudio 	}
5391df685b9Sclaudio 	return (line);
5401df685b9Sclaudio }
5411df685b9Sclaudio 
5421df685b9Sclaudio char *
routename4(in_addr_t in)5431df685b9Sclaudio routename4(in_addr_t in)
5441df685b9Sclaudio {
5451df685b9Sclaudio 	char		*cp = NULL;
5461df685b9Sclaudio 	struct in_addr	 ina;
5471df685b9Sclaudio 	struct hostent	*hp;
5481df685b9Sclaudio 
5491df685b9Sclaudio 	if (!cp && !nflag) {
5501df685b9Sclaudio 		if ((hp = gethostbyaddr((char *)&in,
5511df685b9Sclaudio 		    sizeof(in), AF_INET)) != NULL) {
5521df685b9Sclaudio 			if ((cp = strchr(hp->h_name, '.')) &&
5531df685b9Sclaudio 			    !strcmp(cp + 1, domain))
55483ad6ee6Sjaredy 				*cp = '\0';
5551df685b9Sclaudio 			cp = hp->h_name;
5561df685b9Sclaudio 		}
5571df685b9Sclaudio 	}
5581df685b9Sclaudio 	ina.s_addr = in;
55983ad6ee6Sjaredy 	strlcpy(line, cp ? cp : inet_ntoa(ina), sizeof(line));
5601df685b9Sclaudio 
5611df685b9Sclaudio 	return (line);
5621df685b9Sclaudio }
5631df685b9Sclaudio 
5641df685b9Sclaudio char *
routename6(struct sockaddr_in6 * sin6)5651df685b9Sclaudio routename6(struct sockaddr_in6 *sin6)
5661df685b9Sclaudio {
5677ce41f92Sclaudio 	int	 niflags = 0;
5681df685b9Sclaudio 
5691df685b9Sclaudio 	if (nflag)
5701df685b9Sclaudio 		niflags |= NI_NUMERICHOST;
5711df685b9Sclaudio 	else
5721df685b9Sclaudio 		niflags |= NI_NOFQDN;
5731df685b9Sclaudio 
5741df685b9Sclaudio 	if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len,
5751df685b9Sclaudio 	    line, sizeof(line), NULL, 0, niflags) != 0)
5761df685b9Sclaudio 		strncpy(line, "invalid", sizeof(line));
5771df685b9Sclaudio 
5781df685b9Sclaudio 	return (line);
5791df685b9Sclaudio }
5801df685b9Sclaudio 
5811df685b9Sclaudio char *
netname4(in_addr_t in,struct sockaddr_in * maskp)58278f81088Smillert netname4(in_addr_t in, struct sockaddr_in *maskp)
5831df685b9Sclaudio {
5841df685b9Sclaudio 	char *cp = NULL;
585ba318fafSschwarze 	struct hostent *hp;
58678f81088Smillert 	in_addr_t mask;
5871df685b9Sclaudio 	int mbits;
5881df685b9Sclaudio 
589e511e6feSclaudio 	mask = maskp && maskp->sin_len != 0 ? ntohl(maskp->sin_addr.s_addr) : 0;
5901df685b9Sclaudio 	if (!nflag && in != INADDR_ANY) {
591ba318fafSschwarze 		if ((hp = gethostbyaddr((char *)&in,
592ba318fafSschwarze 		    sizeof(in), AF_INET)) != NULL)
593ba318fafSschwarze 			cp = hp->h_name;
5941df685b9Sclaudio 	}
5953ae9637bSdlg 	if (in == INADDR_ANY && mask == INADDR_ANY)
5961df685b9Sclaudio 		cp = "default";
5971df685b9Sclaudio 	mbits = mask ? 33 - ffs(mask) : 0;
598ba318fafSschwarze 	in = ntohl(in);
5991df685b9Sclaudio 	if (cp)
6001df685b9Sclaudio 		strlcpy(line, cp, sizeof(line));
6011df685b9Sclaudio #define C(x)	((x) & 0xff)
6021df685b9Sclaudio 	else if (mbits < 9)
60383ad6ee6Sjaredy 		snprintf(line, sizeof(line), "%u/%d", C(in >> 24), mbits);
6041df685b9Sclaudio 	else if (mbits < 17)
60583ad6ee6Sjaredy 		snprintf(line, sizeof(line), "%u.%u/%d",
6061df685b9Sclaudio 		    C(in >> 24) , C(in >> 16), mbits);
6071df685b9Sclaudio 	else if (mbits < 25)
60883ad6ee6Sjaredy 		snprintf(line, sizeof(line), "%u.%u.%u/%d",
6091df685b9Sclaudio 		    C(in >> 24), C(in >> 16), C(in >> 8), mbits);
6101df685b9Sclaudio 	else
61183ad6ee6Sjaredy 		snprintf(line, sizeof(line), "%u.%u.%u.%u/%d", C(in >> 24),
6121df685b9Sclaudio 		    C(in >> 16), C(in >> 8), C(in), mbits);
6136c44bd40Spvalchev #undef C
6141df685b9Sclaudio 	return (line);
6151df685b9Sclaudio }
6161df685b9Sclaudio 
6171df685b9Sclaudio char *
netname6(struct sockaddr_in6 * sa6,struct sockaddr_in6 * mask)6181df685b9Sclaudio netname6(struct sockaddr_in6 *sa6, struct sockaddr_in6 *mask)
6191df685b9Sclaudio {
6201df685b9Sclaudio 	struct sockaddr_in6 sin6;
6211df685b9Sclaudio 	u_char *p;
6221df685b9Sclaudio 	int masklen, final = 0, illegal = 0;
6236dc066d2Sjaredy 	int i, lim, flag, error;
6241df685b9Sclaudio 	char hbuf[NI_MAXHOST];
6256dc066d2Sjaredy 
6261df685b9Sclaudio 	sin6 = *sa6;
6271df685b9Sclaudio 
6287ce41f92Sclaudio 	flag = 0;
6291df685b9Sclaudio 	masklen = 0;
6301df685b9Sclaudio 	if (mask) {
6311df685b9Sclaudio 		lim = mask->sin6_len - offsetof(struct sockaddr_in6, sin6_addr);
632849f23e1Sclaudio 		lim = lim < (int)sizeof(struct in6_addr) ?
6331dcb3c4fSguenther 		    lim : (int)sizeof(struct in6_addr);
6341df685b9Sclaudio 		for (p = (u_char *)&mask->sin6_addr, i = 0; i < lim; p++) {
6351df685b9Sclaudio 			if (final && *p) {
6361df685b9Sclaudio 				illegal++;
6371df685b9Sclaudio 				sin6.sin6_addr.s6_addr[i++] = 0x00;
6381df685b9Sclaudio 				continue;
6391df685b9Sclaudio 			}
6401df685b9Sclaudio 
6411df685b9Sclaudio 			switch (*p & 0xff) {
6421df685b9Sclaudio 			case 0xff:
6431df685b9Sclaudio 				masklen += 8;
6441df685b9Sclaudio 				break;
6451df685b9Sclaudio 			case 0xfe:
6461df685b9Sclaudio 				masklen += 7;
6471df685b9Sclaudio 				final++;
6481df685b9Sclaudio 				break;
6491df685b9Sclaudio 			case 0xfc:
6501df685b9Sclaudio 				masklen += 6;
6511df685b9Sclaudio 				final++;
6521df685b9Sclaudio 				break;
6531df685b9Sclaudio 			case 0xf8:
6541df685b9Sclaudio 				masklen += 5;
6551df685b9Sclaudio 				final++;
6561df685b9Sclaudio 				break;
6571df685b9Sclaudio 			case 0xf0:
6581df685b9Sclaudio 				masklen += 4;
6591df685b9Sclaudio 				final++;
6601df685b9Sclaudio 				break;
6611df685b9Sclaudio 			case 0xe0:
6621df685b9Sclaudio 				masklen += 3;
6631df685b9Sclaudio 				final++;
6641df685b9Sclaudio 				break;
6651df685b9Sclaudio 			case 0xc0:
6661df685b9Sclaudio 				masklen += 2;
6671df685b9Sclaudio 				final++;
6681df685b9Sclaudio 				break;
6691df685b9Sclaudio 			case 0x80:
6701df685b9Sclaudio 				masklen += 1;
6711df685b9Sclaudio 				final++;
6721df685b9Sclaudio 				break;
6731df685b9Sclaudio 			case 0x00:
6741df685b9Sclaudio 				final++;
6751df685b9Sclaudio 				break;
6761df685b9Sclaudio 			default:
6771df685b9Sclaudio 				final++;
6781df685b9Sclaudio 				illegal++;
6791df685b9Sclaudio 				break;
6801df685b9Sclaudio 			}
6811df685b9Sclaudio 
6821df685b9Sclaudio 			if (!illegal)
6831df685b9Sclaudio 				sin6.sin6_addr.s6_addr[i++] &= *p;
6841df685b9Sclaudio 			else
6851df685b9Sclaudio 				sin6.sin6_addr.s6_addr[i++] = 0x00;
6861df685b9Sclaudio 		}
6871dcb3c4fSguenther 		while (i < (int)sizeof(struct in6_addr))
6881df685b9Sclaudio 			sin6.sin6_addr.s6_addr[i++] = 0x00;
6891df685b9Sclaudio 	} else
6901df685b9Sclaudio 		masklen = 128;
6911df685b9Sclaudio 
6921df685b9Sclaudio 	if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr))
6931df685b9Sclaudio 		return ("default");
6941df685b9Sclaudio 
6951df685b9Sclaudio 	if (illegal)
6960ad8617cSjaredy 		warnx("illegal prefixlen");
6971df685b9Sclaudio 
6981df685b9Sclaudio 	if (nflag)
6991df685b9Sclaudio 		flag |= NI_NUMERICHOST;
7001df685b9Sclaudio 	error = getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
7011df685b9Sclaudio 	    hbuf, sizeof(hbuf), NULL, 0, flag);
7021df685b9Sclaudio 	if (error)
7031df685b9Sclaudio 		snprintf(hbuf, sizeof(hbuf), "invalid");
7041df685b9Sclaudio 
7051df685b9Sclaudio 	snprintf(line, sizeof(line), "%s/%d", hbuf, masklen);
70683ad6ee6Sjaredy 	return (line);
7071df685b9Sclaudio }
7081df685b9Sclaudio 
7091df685b9Sclaudio /*
7101df685b9Sclaudio  * Return the name of the network whose address is given.
7111df685b9Sclaudio  * The address is assumed to be that of a net or subnet, not a host.
7121df685b9Sclaudio  */
7131df685b9Sclaudio char *
netname(struct sockaddr * sa,struct sockaddr * mask)7141df685b9Sclaudio netname(struct sockaddr *sa, struct sockaddr *mask)
7151df685b9Sclaudio {
7161df685b9Sclaudio 	switch (sa->sa_family) {
7171df685b9Sclaudio 	case AF_INET:
7181df685b9Sclaudio 		return netname4(((struct sockaddr_in *)sa)->sin_addr.s_addr,
71978f81088Smillert 		    (struct sockaddr_in *)mask);
7201df685b9Sclaudio 	case AF_INET6:
7211df685b9Sclaudio 		return netname6((struct sockaddr_in6 *)sa,
72278f81088Smillert 		    (struct sockaddr_in6 *)mask);
7231df685b9Sclaudio 	case AF_LINK:
7241df685b9Sclaudio 		return (link_print(sa));
725b6118fc6Snorby 	case AF_MPLS:
726b34884bdSclaudio 		return (label_print(sa));
7271df685b9Sclaudio 	default:
72883ad6ee6Sjaredy 		snprintf(line, sizeof(line), "af %d: %s",
7291df685b9Sclaudio 		    sa->sa_family, any_ntoa(sa));
7301df685b9Sclaudio 		break;
7311df685b9Sclaudio 	}
7321df685b9Sclaudio 	return (line);
7331df685b9Sclaudio }
7341df685b9Sclaudio 
7351df685b9Sclaudio static const char hexlist[] = "0123456789abcdef";
7361df685b9Sclaudio 
7371df685b9Sclaudio char *
any_ntoa(const struct sockaddr * sa)7381df685b9Sclaudio any_ntoa(const struct sockaddr *sa)
7391df685b9Sclaudio {
7401df685b9Sclaudio 	static char obuf[240];
7411df685b9Sclaudio 	const char *in = sa->sa_data;
7421df685b9Sclaudio 	char *out = obuf;
7431df685b9Sclaudio 	int len = sa->sa_len - offsetof(struct sockaddr, sa_data);
7441df685b9Sclaudio 
7451df685b9Sclaudio 	*out++ = 'Q';
7461df685b9Sclaudio 	do {
7471df685b9Sclaudio 		*out++ = hexlist[(*in >> 4) & 15];
7481df685b9Sclaudio 		*out++ = hexlist[(*in++)    & 15];
7491df685b9Sclaudio 		*out++ = '.';
75083ad6ee6Sjaredy 	} while (--len > 0 && (out + 3) < &obuf[sizeof(obuf) - 1]);
7511df685b9Sclaudio 	out[-1] = '\0';
7521df685b9Sclaudio 	return (obuf);
7531df685b9Sclaudio }
7541df685b9Sclaudio 
7551df685b9Sclaudio char *
link_print(struct sockaddr * sa)7561df685b9Sclaudio link_print(struct sockaddr *sa)
7571df685b9Sclaudio {
7581df685b9Sclaudio 	struct sockaddr_dl	*sdl = (struct sockaddr_dl *)sa;
7591df685b9Sclaudio 	u_char			*lla = (u_char *)sdl->sdl_data + sdl->sdl_nlen;
7601df685b9Sclaudio 
7611df685b9Sclaudio 	if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
7621df685b9Sclaudio 	    sdl->sdl_slen == 0) {
763c1a2d7d8Sclaudio 		(void)snprintf(line, sizeof(line), "link#%d", sdl->sdl_index);
7641df685b9Sclaudio 		return (line);
7657ce41f92Sclaudio 	}
76683ad6ee6Sjaredy 	switch (sdl->sdl_type) {
7671df685b9Sclaudio 	case IFT_ETHER:
7689f960110Smcbride 	case IFT_CARP:
7691df685b9Sclaudio 		return (ether_ntoa((struct ether_addr *)lla));
7707ce41f92Sclaudio 	default:
7711df685b9Sclaudio 		return (link_ntoa(sdl));
7721df685b9Sclaudio 	}
7737ce41f92Sclaudio }
774b87f6493Shshoexer 
775b6118fc6Snorby char *
mpls_op(u_int32_t type)776b34884bdSclaudio mpls_op(u_int32_t type)
777b6118fc6Snorby {
778ccf162e1Smichele 	switch (type & (MPLS_OP_PUSH | MPLS_OP_POP | MPLS_OP_SWAP)) {
779dc315e2dSmichele 	case MPLS_OP_LOCAL:
780dc315e2dSmichele 		return ("LOCAL");
781b6118fc6Snorby 	case MPLS_OP_POP:
782b6118fc6Snorby 		return ("POP");
783b6118fc6Snorby 	case MPLS_OP_SWAP:
784b6118fc6Snorby 		return ("SWAP");
785b6118fc6Snorby 	case MPLS_OP_PUSH:
786b6118fc6Snorby 		return ("PUSH");
787b6118fc6Snorby 	default:
788b6118fc6Snorby 		return ("?");
789b6118fc6Snorby 	}
790b6118fc6Snorby }
791b6118fc6Snorby 
792b6118fc6Snorby char *
label_print(struct sockaddr * sa)793b34884bdSclaudio label_print(struct sockaddr *sa)
794b6118fc6Snorby {
795b34884bdSclaudio 	struct sockaddr_mpls	*smpls = (struct sockaddr_mpls *)sa;
796b6118fc6Snorby 
797b34884bdSclaudio 	if (smpls)
798b34884bdSclaudio 		(void)snprintf(line, sizeof(line), "%u",
799b34884bdSclaudio 		    ntohl(smpls->smpls_label) >> MPLS_LABEL_OFFSET);
800b34884bdSclaudio 	else
801b34884bdSclaudio 		(void)snprintf(line, sizeof(line), "-");
802b6118fc6Snorby 
803b6118fc6Snorby 	return (line);
804b6118fc6Snorby }
805