Module Name:    src
Committed By:   christos
Date:           Thu Nov  6 21:29:32 UTC 2014

Modified Files:
        src/sbin/route: Makefile extern.h prog_ops.h route.c show.c
Added Files:
        src/sbin/route: rtutil.c rtutil.h

Log Message:
Factor out the netstat route printing code and use it here. There is no
point in having 2 different copies; fixes PR/49371


To generate a diff of this commit:
cvs rdiff -u -r1.25 -r1.26 src/sbin/route/Makefile
cvs rdiff -u -r1.14 -r1.15 src/sbin/route/extern.h
cvs rdiff -u -r1.2 -r1.3 src/sbin/route/prog_ops.h
cvs rdiff -u -r1.144 -r1.145 src/sbin/route/route.c
cvs rdiff -u -r0 -r1.1 src/sbin/route/rtutil.c src/sbin/route/rtutil.h
cvs rdiff -u -r1.45 -r1.46 src/sbin/route/show.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sbin/route/Makefile
diff -u src/sbin/route/Makefile:1.25 src/sbin/route/Makefile:1.26
--- src/sbin/route/Makefile:1.25	Mon Dec 13 12:39:47 2010
+++ src/sbin/route/Makefile	Thu Nov  6 16:29:32 2014
@@ -1,11 +1,11 @@
-#	$NetBSD: Makefile,v 1.25 2010/12/13 17:39:47 pooka Exp $
+#	$NetBSD: Makefile,v 1.26 2014/11/06 21:29:32 christos Exp $
 #	@(#)Makefile	8.1 (Berkeley) 6/5/93
 
 .include <bsd.own.mk>
 
 RUMPPRG=route
 MAN=	route.8
-SRCS=	route.c show.c keywords.c
+SRCS=	route.c show.c keywords.c rtutil.c
 
 .if (${USE_INET6} != "no")
 CPPFLAGS+=-DINET6

Index: src/sbin/route/extern.h
diff -u src/sbin/route/extern.h:1.14 src/sbin/route/extern.h:1.15
--- src/sbin/route/extern.h:1.14	Tue Oct 20 21:07:46 2009
+++ src/sbin/route/extern.h	Thu Nov  6 16:29:32 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: extern.h,v 1.14 2009/10/21 01:07:46 snj Exp $	*/
+/*	$NetBSD: extern.h,v 1.15 2014/11/06 21:29:32 christos Exp $	*/
 
 /*
  * Copyright (c) 1997 Christos Zoulas.  All rights reserved.
@@ -30,15 +30,11 @@ struct sockaddr_ns;
 
 void parse_show_opts(int, char * const *, int *, int *, const char **, bool);
 /* show.c */
-void show(int, char * const *);
+void show(int, char * const *, int);
 
 /* route.c */
 extern int nflag, Sflag;
 #define NOTDEFSTRING "0.0.0.0/xxx.xxx.xxx.xxx\0"
 int keyword(const char *);
-int netmask_length(struct sockaddr *, int);
-char *netmask_string(const struct sockaddr *, int, int);
-const char *routename(const struct sockaddr *, struct sockaddr *, int);
-const char *netname(const struct sockaddr *, struct sockaddr *);
 const char *ns_print(struct sockaddr_ns *);
 void usage(const char *)__attribute__((__noreturn__));

Index: src/sbin/route/prog_ops.h
diff -u src/sbin/route/prog_ops.h:1.2 src/sbin/route/prog_ops.h:1.3
--- src/sbin/route/prog_ops.h:1.2	Mon Dec 13 14:19:10 2010
+++ src/sbin/route/prog_ops.h	Thu Nov  6 16:29:32 2014
@@ -1,4 +1,4 @@
-/*      $NetBSD: prog_ops.h,v 1.2 2010/12/13 19:19:10 pooka Exp $	*/
+/*      $NetBSD: prog_ops.h,v 1.3 2014/11/06 21:29:32 christos Exp $	*/
 
 /*
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -32,9 +32,13 @@
 #include <sys/types.h>
 
 #ifndef CRUNCHOPS
+/* XXX: Keep same order with netstat! */
 struct prog_ops {
 	int (*op_init)(void);
 
+	int (*op_sysctl)(const int *, u_int, void *, size_t *,
+			 const void *, size_t);
+
 	int (*op_socket)(int, int, int);
 	int (*op_open)(const char *, int, ...);
 	pid_t (*op_getpid)(void);
@@ -42,8 +46,6 @@ struct prog_ops {
 	ssize_t (*op_read)(int, void *, size_t);
 	ssize_t (*op_write)(int, const void *, size_t);
 
-	int (*op_sysctl)(const int *, u_int, void *, size_t *,
-			 const void *, size_t);
 
 	int (*op_shutdown)(int, int);
 };

Index: src/sbin/route/route.c
diff -u src/sbin/route/route.c:1.144 src/sbin/route/route.c:1.145
--- src/sbin/route/route.c:1.144	Sat Oct 19 11:59:15 2013
+++ src/sbin/route/route.c	Thu Nov  6 16:29:32 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: route.c,v 1.144 2013/10/19 15:59:15 christos Exp $	*/
+/*	$NetBSD: route.c,v 1.145 2014/11/06 21:29:32 christos Exp $	*/
 
 /*
  * Copyright (c) 1983, 1989, 1991, 1993
@@ -39,7 +39,7 @@ __COPYRIGHT("@(#) Copyright (c) 1983, 19
 #if 0
 static char sccsid[] = "@(#)route.c	8.6 (Berkeley) 4/28/95";
 #else
-__RCSID("$NetBSD: route.c,v 1.144 2013/10/19 15:59:15 christos Exp $");
+__RCSID("$NetBSD: route.c,v 1.145 2014/11/06 21:29:32 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -73,6 +73,7 @@ __RCSID("$NetBSD: route.c,v 1.144 2013/1
 #include "keywords.h"
 #include "extern.h"
 #include "prog_ops.h"
+#include "rtutil.h"
 
 union sockunion {
 	struct	sockaddr sa;
@@ -95,7 +96,6 @@ struct sou {
 		*so_ifp, *so_mpls;
 };
 
-static char *any_ntoa(const struct sockaddr *);
 static const char *route_strerror(int);
 static void set_metric(const char *, int);
 static int newroute(int, char *const *);
@@ -105,6 +105,7 @@ static int inet6_makenetandmask(const st
 #endif
 static int getaddr(int, const char *, struct hostent **, struct sou *);
 static int flushroutes(int, char *const [], int);
+static char *netmask_string(const struct sockaddr *, int, int);
 static int prefixlen(const char *, struct sou *);
 #ifndef SMALL
 static void interfaces(void);
@@ -168,7 +169,7 @@ main(int argc, char * const *argv)
 			doflush = 1;
 			break;
 		case 'n':
-			nflag = 1;
+			nflag = RT_NFLAG;
 			break;
 		case 'q':
 			qflag = 1;
@@ -224,7 +225,7 @@ main(int argc, char * const *argv)
 		return newroute(argc, argv);
 
 	case K_SHOW:
-		show(argc, argv);
+		show(argc, argv, nflag);
 		return 0;
 
 #ifndef SMALL
@@ -245,6 +246,36 @@ main(int argc, char * const *argv)
 	}
 }
 
+static char *
+netmask_string(const struct sockaddr *mask, int len, int family)
+{
+	static char smask[INET6_ADDRSTRLEN];
+	struct sockaddr_in nsin;
+	struct sockaddr_in6 nsin6;
+
+	if (len >= 0)
+		snprintf(smask, sizeof(smask), "%d", len);
+	else {
+		switch (family) {
+		case AF_INET:
+			memset(&nsin, 0, sizeof(nsin));
+			memcpy(&nsin, mask, mask->sa_len);
+			snprintf(smask, sizeof(smask), "%s",
+			    inet_ntoa(nsin.sin_addr));
+			break;
+		case AF_INET6:
+			memset(&nsin6, 0, sizeof(nsin6));
+			memcpy(&nsin6, mask, mask->sa_len);
+			inet_ntop(family, &nsin6.sin6_addr, smask,
+			    sizeof(smask));
+			break;
+		default:
+			snprintf(smask, sizeof(smask), "%s", any_ntoa(mask));
+		}
+	}
+
+	return smask;
+}
 /*
  * Purge all entries in the routing tables not
  * associated with network interfaces.
@@ -320,12 +351,10 @@ flushroutes(int argc, char * const argv[
 		if (verbose)
 			print_rtmsg(rtm, rlen);
 		else {
-			(void)printf("%-20.20s ",
-			    routename(sa, NULL, rtm->rtm_flags));
+			(void)printf("%-20.20s ", netname(sa, NULL, nflag));
 			sa = (struct sockaddr *)(RT_ROUNDUP(sa->sa_len) +
 			    (char *)sa);
-			(void)printf("%-20.20s ",
-			    routename(sa, NULL, RTF_HOST));
+			(void)printf("%-20.20s ", routename(sa, nflag));
 			(void)printf("done\n");
 		}
 	}
@@ -333,402 +362,6 @@ flushroutes(int argc, char * const argv[
 	return 0;
 }
 
-
-static char hexlist[] = "0123456789abcdef";
-
-static char *
-any_ntoa(const struct sockaddr *sa)
-{
-	static char obuf[3 * 256];
-	const char *in;
-	char *out;
-	int len;
-
-#if __GNUC__ > 2
-	len = sa->sa_len - offsetof(struct sockaddr, sa_data);
-#else
-	len = sa->sa_len - ((struct sockaddr*)&sa->sa_data - sa);
-#endif
-	in  = sa->sa_data;
-	out = obuf;
-
-	do {
-		*out++ = hexlist[(*in >> 4) & 15];
-		*out++ = hexlist[(*in++)    & 15];
-		*out++ = '.';
-	} while (--len > 0);
-	out[-1] = '\0';
-	return obuf;
-}
-
-int
-netmask_length(struct sockaddr *nm, int family)
-{
-	static int
-	    /* number of bits in a nibble */
-	    _t[] = { 0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4 },
-	    /* good nibbles are 1111, 1110, 1100, 1000, 0000 */
-	    _g[] = { 1,0,0,0,0,0,0,0,1,0,0,0,1,0,1,1 };
-	int mask, good, zeroes, maskbytes, bit, i;
-	unsigned char *maskdata;
-
-	if (nm == NULL)
-		return 0;
-
-	mask = 0;
-	good = 1;
-	zeroes = 0;
-
-	switch (family) {
-	case AF_INET: {
-		struct sockaddr_in *nsin = (struct sockaddr_in *)nm;
-		maskdata = (unsigned char *)&nsin->sin_addr;
-		maskbytes = nsin->sin_len -
-		    ((caddr_t)&nsin->sin_addr - (caddr_t)nsin);
-		break;
-	}
-	case AF_INET6: {
-		struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)nm;
-		maskdata = (unsigned char *)&sin6->sin6_addr;
-		maskbytes = sin6->sin6_len -
-		    ((caddr_t)&sin6->sin6_addr - (caddr_t)sin6);
-		break;
-	}
-	default:
-		return 0;
-	}
-
-	/*
-	 * Count the bits in the nibbles of the mask, and marking the
-	 * netmask as not good (or at best, non-standard and very
-	 * discouraged, in the case of AF_INET) if we find either of
-	 * a nibble with non-contiguous bits, or a non-zero nibble
-	 * after we've found a zero nibble.
-	 */
-	for (i = 0; i < maskbytes; i++) {
-		/* high nibble */
-		mask += bit = _t[maskdata[i] >> 4];
-		good &= _g[maskdata[i] >> 4];
-		if (zeroes && bit)
-			good = 0;
-		if (bit == 0)
-			zeroes = 1;
-		/* low nibble */
-		mask += bit = _t[maskdata[i] & 0xf];
-		good &= _g[maskdata[i] & 0xf];
-		if (zeroes && bit)
-			good = 0;
-		if (bit == 0)
-			zeroes = 1;
-	}
-
-	/*
-	 * Always return the number of bits found, but as a negative
-	 * if the mask wasn't one we like.
-	 */
-	return good ? mask : -mask;
-}
-
-char *
-netmask_string(const struct sockaddr *mask, int len, int family)
-{
-	static char smask[INET6_ADDRSTRLEN];
-	struct sockaddr_in nsin;
-	struct sockaddr_in6 nsin6;
-
-	if (len >= 0)
-		snprintf(smask, sizeof(smask), "%d", len);
-	else {
-		switch (family) {
-		case AF_INET:
-			memset(&nsin, 0, sizeof(nsin));
-			memcpy(&nsin, mask, mask->sa_len);
-			snprintf(smask, sizeof(smask), "%s",
-			    inet_ntoa(nsin.sin_addr));
-			break;
-		case AF_INET6:
-			memset(&nsin6, 0, sizeof(nsin6));
-			memcpy(&nsin6, mask, mask->sa_len);
-			inet_ntop(family, &nsin6.sin6_addr, smask,
-			    sizeof(smask));
-			break;
-		default:
-			snprintf(smask, sizeof(smask), "%s", any_ntoa(mask));
-		}
-	}
-
-	return smask;
-}
-
-const char *
-routename(const struct sockaddr *sa, struct sockaddr *nm, int flags)
-{
-	const char *cp;
-	static char line[50];
-	struct hostent *hp;
-	static char domain[MAXHOSTNAMELEN + 1];
-	static int first = 1;
-	struct in_addr in;
-	int nml;
-
-	if ((flags & RTF_HOST) == 0)
-		return netname(sa, nm);
-
-	if (first) {
-		first = 0;
-		if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
-		    (cp = strchr(domain, '.')))
-			(void)strlcpy(domain, cp + 1, sizeof(domain));
-		else
-			domain[0] = 0;
-	}
-
-	if (sa->sa_len == 0)
-		strlcpy(line, "default", sizeof(line));
-	else switch (sa->sa_family) {
-
-	case AF_INET:
-		in = ((const struct sockaddr_in *)sa)->sin_addr;
-		nml = netmask_length(nm, AF_INET);
-
-		cp = 0;
-		if (in.s_addr == INADDR_ANY || sa->sa_len < 4) {
-			if (nml == 0)
-				cp = "default";
-			else {
-				static char notdefault[sizeof(NOTDEFSTRING)];
-
-				snprintf(notdefault, sizeof(notdefault),
-				    "0.0.0.0/%s",
-				    netmask_string(nm, nml, AF_INET));
-				cp = notdefault;
-			}
-		}
-		if (cp == 0 && !nflag) {
-			hp = gethostbyaddr((char *)&in, sizeof(struct in_addr),
-				AF_INET);
-			if (hp) {
-				char *ccp;
-				if ((ccp = strchr(hp->h_name, '.')) &&
-				    !strcmp(ccp + 1, domain))
-					*ccp = '\0';
-				cp = hp->h_name;
-			}
-		}
-		if (cp)
-			(void)strlcpy(line, cp, sizeof(line));
-		else
-			(void)strlcpy(line, inet_ntoa(in), sizeof(line));
-		break;
-
-	case AF_LINK:
-		return link_ntoa((const struct sockaddr_dl *)sa);
-
-#ifdef INET6
-	case AF_INET6:
-	    {
-		struct sockaddr_in6 sin6;
-		int niflags;
-		char nihost[NI_MAXHOST];
-
-		niflags = 0;
-		if (nflag)
-			niflags |= NI_NUMERICHOST;
-		memset(&sin6, 0, sizeof(sin6));
-		memcpy(&sin6, sa, sa->sa_len);
-		sin6.sin6_len = sizeof(struct sockaddr_in6);
-		sin6.sin6_family = AF_INET6;
-		inet6_getscopeid(&sin6, INET6_IS_ADDR_LINKLOCAL|
-		    INET6_IS_ADDR_MC_LINKLOCAL);
-		nml = netmask_length(nm, AF_INET6);
-		if (IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr)) {
-			if (nml == 0)
-				strlcpy(line, "::", sizeof(line));
-			else
-				/* noncontiguous never happens in ipv6 */
-				snprintf(line, sizeof(line), "::/%d", nml);
-		}
-		else if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
-		    nihost, sizeof(nihost), NULL, 0, niflags) != 0)
-			strlcpy(line, "invalid", sizeof(line));
-		else {
-			char *ccp;
-			if (!nflag && (ccp = strchr(nihost, '.')) &&
-			    strcmp(ccp + 1, domain) == 0)
-				*ccp = '\0';
-			strlcpy(line, nihost, sizeof(line));
-		}
-		break;
-	    }
-#endif
-
-#ifndef SMALL
-	case AF_APPLETALK:
-		(void)snprintf(line, sizeof(line), "atalk %d.%d",
-		    ((const struct sockaddr_at *)sa)->sat_addr.s_net,
-		    ((const struct sockaddr_at *)sa)->sat_addr.s_node);
-		break;
-	case AF_MPLS:
-		{
-		union mpls_shim ms;
-		const union mpls_shim *pms;
-		size_t psize = sizeof(struct sockaddr_mpls), len;
-
-		ms.s_addr =((const struct sockaddr_mpls*)sa)->smpls_addr.s_addr;
-		ms.s_addr = ntohl(ms.s_addr);
-
-		len = snprintf(line, sizeof(line), "%u", ms.shim.label);
-		if (len >= sizeof(line))
-			errx(1, "snprintf");
-		pms = &((const struct sockaddr_mpls*)sa)->smpls_addr;
-		while (psize < sa->sa_len) {
-			size_t alen;
-			pms++;
-			ms.s_addr = ntohl(pms->s_addr);
-			alen = snprintf(line + len, sizeof(line) - len, " %u",
-			    ms.shim.label);
-			if (alen >= sizeof(line) - len)
-				errx(1, "snprintf");
-			len += alen;
-			psize += sizeof(ms);
-		}
-		break;
-		}
-#endif /* SMALL */
-
-	default:
-		(void)snprintf(line, sizeof line, "(%d) %s",
-			sa->sa_family, any_ntoa(sa));
-		break;
-
-	}
-	return line;
-}
-
-/*
- * Return the name of the network whose address is given.
- * The address is assumed to be that of a net or subnet, not a host.
- */
-const char *
-netname(const struct sockaddr *sa, struct sockaddr *nm)
-{
-	const char *cp = 0;
-	static char line[50];
-	struct netent *np = 0;
-	u_int32_t net, mask;
-	u_int32_t i;
-	int subnetshift, nml;
-	struct in_addr in;
-
-	switch (sa->sa_family) {
-
-	case AF_INET:
-		in = ((const struct sockaddr_in *)sa)->sin_addr;
-		i = ntohl(in.s_addr);
-		nml = netmask_length(nm, AF_INET);
-		if (i == 0) {
-			if (nml == 0)
-				cp = "default";
-			else {
-				static char notdefault[sizeof(NOTDEFSTRING)];
-
-				snprintf(notdefault, sizeof(notdefault),
-				    "0.0.0.0/%s",
-				    netmask_string(nm, nml, AF_INET));
-				cp = notdefault;
-			}
-		}
-		else if (!nflag) {
-			if (IN_CLASSA(i)) {
-				mask = IN_CLASSA_NET;
-				subnetshift = 8;
-			} else if (IN_CLASSB(i)) {
-				mask = IN_CLASSB_NET;
-				subnetshift = 8;
-			} else {
-				mask = IN_CLASSC_NET;
-				subnetshift = 4;
-			}
-			/*
-			 * If there are more bits than the standard mask
-			 * would suggest, subnets must be in use.
-			 * Guess at the subnet mask, assuming reasonable
-			 * width subnet fields.
-			 */
-			while (i &~ mask)
-				mask = (int32_t)mask >> subnetshift;
-			net = i & mask;
-			while ((mask & 1) == 0)
-				mask >>= 1, net >>= 1;
-			np = getnetbyaddr(net, AF_INET);
-			if (np)
-				cp = np->n_name;
-		}
-		if (cp)
-			(void)strlcpy(line, cp, sizeof(line));
-		else {
-			if (nml == 0)
-				strlcpy(line, inet_ntoa(in), sizeof(line));
-			else if (nml < 0) {
-				snprintf(line, sizeof(line), "%s&%s", 
-				    inet_ntoa(in),
-				    netmask_string(nm, nml, AF_INET));
-			} else {
-				snprintf(line, sizeof(line), "%s/%d",
-				    inet_ntoa(in), nml);
-			}
-		}
-		break;
-
-	case AF_LINK:
-		return link_ntoa((const struct sockaddr_dl *)sa);
-
-#ifdef INET6
-	case AF_INET6:
-	    {
-		struct sockaddr_in6 sin6;
-		int niflags;
-
-		niflags = 0;
-		if (nflag)
-			niflags |= NI_NUMERICHOST;
-		memset(&sin6, 0, sizeof(sin6));
-		memcpy(&sin6, sa, sa->sa_len);
-		sin6.sin6_len = sizeof(struct sockaddr_in6);
-		sin6.sin6_family = AF_INET6;
-		inet6_getscopeid(&sin6, INET6_IS_ADDR_LINKLOCAL|
-		    INET6_IS_ADDR_MC_LINKLOCAL);
-		nml = netmask_length(nm, AF_INET6);
-		if (IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr)) {
-			if (nml == 0)
-				strlcpy(line, "::", sizeof(line));
-			else
-				/* noncontiguous never happens in ipv6 */
-				snprintf(line, sizeof(line), "::/%d", nml);
-		}
-		else if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
-		    line, sizeof(line), NULL, 0, niflags) != 0)
-			strlcpy(line, "invalid", sizeof(line));
-		break;
-	    }
-#endif
-
-#ifndef SMALL
-	case AF_APPLETALK:
-		(void)snprintf(line, sizeof(line), "atalk %d.%d",
-		    ((const struct sockaddr_at *)sa)->sat_addr.s_net,
-		    ((const struct sockaddr_at *)sa)->sat_addr.s_node);
-		break;
-#endif /* SMALL */
-
-	default:
-		(void)snprintf(line, sizeof line, "af %d: %s",
-			sa->sa_family, any_ntoa(sa));
-		break;
-	}
-	return line;
-}
-
 static const char *
 route_strerror(int error)
 {
@@ -1826,7 +1459,7 @@ print_getmsg(struct rt_msghdr *rtm, int 
 
 	if (! shortoutput) {
 		(void)printf("   route to: %s\n",
-		    routename(&soup->so_dst->sa, NULL, RTF_HOST));
+		    routename(&soup->so_dst->sa, nflag));
 	}
 	if (rtm->rtm_version != RTM_VERSION) {
 		warnx("routing message version %d not understood",
@@ -1875,19 +1508,19 @@ print_getmsg(struct rt_msghdr *rtm, int 
 		mask->sa_family = dst->sa_family;	/* XXX */
 	if (dst && ! shortoutput)
 		(void)printf("destination: %s\n",
-		    routename(dst, mask, RTF_HOST));
+		    routename(dst, nflag));
 	if (mask && ! shortoutput) {
 		int savenflag = nflag;
 
-		nflag = 1;
+		nflag = RT_NFLAG;
 		(void)printf("       mask: %s\n",
-		    routename(mask, NULL, RTF_HOST));
+		    routename(mask, nflag));
 		nflag = savenflag;
 	}
 	if (gate && rtm->rtm_flags & RTF_GATEWAY) {
 		const char *name;
 
-		name = routename(gate, NULL, RTF_HOST);
+		name = routename(gate, nflag);
 		if (shortoutput) {
 			if (*name == '\0')
 				return 1;
@@ -1897,7 +1530,7 @@ print_getmsg(struct rt_msghdr *rtm, int 
 	}
 	if (mpls) {
 		const char *name;
-		name = routename(mpls, NULL, RTF_HOST);
+		name = routename(mpls, nflag);
 		if(shortoutput) {
 			if (*name == '\0')
 				return 1;
@@ -1908,7 +1541,7 @@ print_getmsg(struct rt_msghdr *rtm, int 
 		
 	if (ifa && ! shortoutput)
 		(void)printf(" local addr: %s\n",
-		    routename(ifa, NULL, RTF_HOST));
+		    routename(ifa, nflag));
 	if (ifp && ! shortoutput)
 		(void)printf("  interface: %.*s\n",
 		    ifp->sdl_nlen, ifp->sdl_data);
@@ -2002,7 +1635,7 @@ pmsg_addrs(const char *cp, int addrs)
 				    netmask_string(sa[i], -1, nmf));
 			else
 				(void)printf(" %s",
-				    routename(sa[i], NULL, RTF_HOST));
+				    routename(sa[i], nflag));
 		}
 	}
 	(void)putchar('\n');

Index: src/sbin/route/show.c
diff -u src/sbin/route/show.c:1.45 src/sbin/route/show.c:1.46
--- src/sbin/route/show.c:1.45	Fri Mar  1 13:25:17 2013
+++ src/sbin/route/show.c	Thu Nov  6 16:29:32 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: show.c,v 1.45 2013/03/01 18:25:17 joerg Exp $	*/
+/*	$NetBSD: show.c,v 1.46 2014/11/06 21:29:32 christos Exp $	*/
 
 /*
  * Copyright (c) 1983, 1988, 1993
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "from: @(#)route.c	8.3 (Berkeley) 3/9/94";
 #else
-__RCSID("$NetBSD: show.c,v 1.45 2013/03/01 18:25:17 joerg Exp $");
+__RCSID("$NetBSD: show.c,v 1.46 2014/11/06 21:29:32 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -62,44 +62,10 @@ __RCSID("$NetBSD: show.c,v 1.45 2013/03/
 #include <err.h>
 
 #include "keywords.h"
+#include "rtutil.h"
 #include "extern.h"
 #include "prog_ops.h"
 
-
-/*
- * Definitions for showing gateway flags.
- */
-struct bits {
-	int	b_mask;
-	char	b_val;
-};
-static const struct bits bits[] = {
-	{ RTF_UP,	'U' },
-	{ RTF_GATEWAY,	'G' },
-	{ RTF_HOST,	'H' },
-	{ RTF_REJECT,	'R' },
-	{ RTF_DYNAMIC,	'D' },
-	{ RTF_MODIFIED,	'M' },
-	{ RTF_DONE,	'd' }, /* Completed -- for routing messages only */
-	{ RTF_MASK,	'm' }, /* Mask Present -- for routing messages only */
-	{ RTF_CLONING,	'C' },
-	{ RTF_XRESOLVE,	'X' },
-	{ RTF_LLINFO,	'L' },
-	{ RTF_STATIC,	'S' },
-	{ RTF_BLACKHOLE, 'B' },
-	{ RTF_CLONED,	'c' },
-	{ RTF_PROTO1,	'1' },
-	{ RTF_PROTO2,	'2' },
-	{ RTF_ANNOUNCE,	'p' },
-	{ 0, '\0' }
-};
-
-static void pr_rthdr(int);
-static void p_rtentry(struct rt_msghdr *);
-static void pr_family(int);
-static void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int );
-static void p_flags(int);
-
 void
 parse_show_opts(int argc, char * const *argv, int *afp, int *flagsp,
     const char **afnamep, bool nolink)
@@ -167,261 +133,12 @@ parse_show_opts(int argc, char * const *
  * Print routing tables.
  */
 void
-show(int argc, char *const *argv)
-{
-	size_t needed;
-	int af, flags, mib[6];
-	char *buf, *next, *lim;
-	struct rt_msghdr *rtm;
-	struct sockaddr *sa;
-
-	parse_show_opts(argc, argv, &af, &flags, NULL, true);
-	mib[0] = CTL_NET;
-	mib[1] = PF_ROUTE;
-	mib[2] = 0;
-	mib[3] = 0;
-	mib[4] = NET_RT_DUMP;
-	mib[5] = 0;
-	if (prog_sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
-		err(EXIT_FAILURE, "route-sysctl-estimate");
-	buf = lim = NULL;
-	if (needed) {
-		if ((buf = malloc(needed)) == 0)
-			err(EXIT_FAILURE, "malloc");
-		if (prog_sysctl(mib, 6, buf, &needed, NULL, 0) < 0)
-			err(EXIT_FAILURE, "sysctl of routing table");
-		lim  = buf + needed;
-	}
-
-	printf("Routing table%s\n", (af == AF_UNSPEC)? "s" : "");
-
-	if (needed) {
-		for (next = buf; next < lim; next += rtm->rtm_msglen) {
-			rtm = (struct rt_msghdr *)next;
-			sa = (struct sockaddr *)(rtm + 1);
-			if ((rtm->rtm_flags & flags) != flags)
-				continue;
-			if (af == AF_UNSPEC || af == sa->sa_family)
-				p_rtentry(rtm);
-		}
-		free(buf);
-	}
-}
-
-
-/* column widths; each followed by one space */
-#ifndef INET6
-#define	WID_DST(af)	18	/* width of destination column */
-#define	WID_GW(af)	18	/* width of gateway column */
-#else
-/* width of destination/gateway column */
-#if 1
-/* strlen("fe80::aaaa:bbbb:cccc:dddd@gif0") == 30, strlen("/128") == 4 */
-#define	WID_DST(af)	((af) == AF_INET6 ? (nflag ? 34 : 18) : 18)
-#define	WID_GW(af)	((af) == AF_INET6 ? (nflag ? 30 : 18) : 18)
-#else
-/* strlen("fe80::aaaa:bbbb:cccc:dddd") == 25, strlen("/128") == 4 */
-#define	WID_DST(af)	((af) == AF_INET6 ? (nflag ? 29 : 18) : 18)
-#define	WID_GW(af)	((af) == AF_INET6 ? (nflag ? 25 : 18) : 18)
-#endif
-#endif /* INET6 */
-
-/*
- * Print header for routing table columns.
- */
-static void
-pr_rthdr(int af)
-{
-
-	printf("%-*.*s %-*.*s %-6.6s\n",
-		WID_DST(af), WID_DST(af), "Destination",
-		WID_GW(af), WID_GW(af), "Gateway",
-		"Flags");
-}
-
-
-/*
- * Print a routing table entry.
- */
-static void
-p_rtentry(struct rt_msghdr *rtm)
+show(int argc, char *const *argv, int flags)
 {
-	struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
-#ifdef notdef
-	static int masks_done, banner_printed;
-#endif
-	static int old_af;
-	int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST |
+	int af, rflags;
+	static int interesting = RTF_UP | RTF_GATEWAY | RTF_HOST |
 	    RTF_REJECT | RTF_LLINFO;
 
-#ifdef notdef
-	/* for the moment, netmasks are skipped over */
-	if (!banner_printed) {
-		printf("Netmasks:\n");
-		banner_printed = 1;
-	}
-	if (masks_done == 0) {
-		if (rtm->rtm_addrs != RTA_DST ) {
-			masks_done = 1;
-			af = sa->sa_family;
-		}
-	} else
-#endif
-		af = sa->sa_family;
-	if (old_af != af) {
-		old_af = af;
-		pr_family(af);
-		pr_rthdr(af);
-	}
-	if (rtm->rtm_addrs == RTA_DST)
-		p_sockaddr(sa, NULL, 0, WID_DST(af) + 1 + WID_GW(af) + 1);
-	else {
-		struct sockaddr *nm;
-
-		if ((rtm->rtm_addrs & RTA_NETMASK) == 0)
-			nm = NULL;
-		else {
-			/* skip to gateway */
-			nm = (struct sockaddr *)
-			    (RT_ROUNDUP(sa->sa_len) + (char *)sa);
-			/* skip over gateway to netmask */
-			nm = (struct sockaddr *)
-			    (RT_ROUNDUP(nm->sa_len) + (char *)nm);
-		}
-
-		p_sockaddr(sa, nm, rtm->rtm_flags, WID_DST(af));
-		sa = (struct sockaddr *)(RT_ROUNDUP(sa->sa_len) + (char *)sa);
-		p_sockaddr(sa, NULL, 0, WID_GW(af));
-	}
-	p_flags(rtm->rtm_flags & interesting);
-	putchar('\n');
-}
-
-
-/*
- * Print address family header before a section of the routing table.
- */
-static void
-pr_family(int af)
-{
-	const char *afname;
-
-	switch (af) {
-	case AF_INET:
-		afname = "Internet";
-		break;
-#ifdef INET6
-	case AF_INET6:
-		afname = "Internet6";
-		break;
-#endif /* INET6 */
-#ifndef SMALL
-	case AF_MPLS:
-		afname = "MPLS";
-		break;
-#endif /* SMALL */
-	case AF_APPLETALK:
-		afname = "AppleTalk";
-		break;
-	default:
-		afname = NULL;
-		break;
-	}
-	if (afname)
-		printf("\n%s:\n", afname);
-	else
-		printf("\nProtocol Family %d:\n", af);
-}
-
-
-static void
-p_sockaddr(struct sockaddr *sa, struct sockaddr *nm, int flags, int width)
-{
-	char workbuf[128];
-	const char *cp;
-
-	switch(sa->sa_family) {
-
-	case AF_LINK:
-		if (getnameinfo(sa, sa->sa_len, workbuf, sizeof(workbuf),
-		    NULL, 0, NI_NUMERICHOST) != 0)
-			strlcpy(workbuf, "invalid", sizeof(workbuf));
-		cp = workbuf;
-		break;
-
-	case AF_INET:
-		cp = routename(sa, nm, flags);
-		break;
-
-#ifdef INET6
-	case AF_INET6:
-		cp = routename(sa, nm, flags);
-		/* make sure numeric address is not truncated */
-		if (strchr(cp, ':') != NULL && (int)strlen(cp) > width)
-			width = strlen(cp);
-		break;
-#endif /* INET6 */
-
-#ifndef SMALL
-	case AF_MPLS:
-		{
-		struct sockaddr_mpls *smpls = (struct sockaddr_mpls *)sa;
-		union mpls_shim ms;
-
-		ms.s_addr = ntohl(smpls->smpls_addr.s_addr);
-
-		snprintf(workbuf, sizeof(workbuf), "%u",
-			ms.shim.label);
-		cp = workbuf;
-		}
-		break;
-	case AF_APPLETALK:
-		if (getnameinfo(sa, sa->sa_len, workbuf, sizeof(workbuf),
-		    NULL, 0, NI_NUMERICHOST) != 0)
-			strlcpy(workbuf, "invalid", sizeof(workbuf));
-		cp = workbuf;
-		break;
-
-#endif /* SMALL */
-
-	default:
-	    {
-		u_char *s = (u_char *)sa->sa_data, *slim;
-		char *wp = workbuf, *wplim;
-
-		slim = sa->sa_len + (u_char *)sa;
-		wplim = wp + sizeof(workbuf) - 6;
-		wp += snprintf(wp, wplim - wp, "(%d)", sa->sa_family);
-		while (s < slim && wp < wplim) {
-			wp += snprintf(wp, wplim - wp, " %02x", *s++);
-			if (s < slim)
-			    wp += snprintf(wp, wplim - wp, "%02x", *s++);
-		}
-		cp = workbuf;
-	    }
-	}
-	if (width < 0 )
-		printf("%s ", cp);
-	else {
-		if (nflag)
-			printf("%-*s ", width, cp);
-		else
-			printf("%-*.*s ", width, width, cp);
-	}
-}
-
-static void
-p_flags(int f)
-{
-	char name[33], *flags;
-	const struct bits *p = bits;
-
-	for (flags = name; p->b_mask; p++)
-		if (p->b_mask & f)
-			*flags++ = p->b_val;
-		else if (Sflag)
-			*flags++ = ' ';
-	*flags = '\0';
-	printf("%-6.6s ", name);
+	parse_show_opts(argc, argv, &af, &rflags, NULL, true);
+	p_rttables(af, flags, rflags, interesting);
 }
-

Added files:

Index: src/sbin/route/rtutil.c
diff -u /dev/null src/sbin/route/rtutil.c:1.1
--- /dev/null	Thu Nov  6 16:29:32 2014
+++ src/sbin/route/rtutil.c	Thu Nov  6 16:29:32 2014
@@ -0,0 +1,786 @@
+/*	$NetBSD: rtutil.c,v 1.1 2014/11/06 21:29:32 christos Exp $	*/
+/*	$OpenBSD: show.c,v 1.1 2006/05/27 19:16:37 claudio Exp $	*/
+
+/*
+ * Copyright (c) 1983, 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+#include <sys/protosw.h>
+#include <sys/socket.h>
+#include <sys/mbuf.h>
+#include <sys/sysctl.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <net/pfvar.h>
+#include <net/pfkeyv2.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+#include <netatalk/at.h>
+#include <netmpls/mpls.h>
+#include <arpa/inet.h>
+
+#include <err.h>
+#include <errno.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "prog_ops.h"
+#include "rtutil.h"
+
+
+#define PLEN    (LONG_BIT / 4 + 2)
+#define PFKEYV2_CHUNK sizeof(u_int64_t)
+static char *link_print(const struct sockaddr *);
+
+/*
+ * Definitions for showing gateway flags.
+ */
+struct bits {
+	int	b_mask;
+	char	b_val;
+};
+static const struct bits bits[] = {
+	{ RTF_UP,	'U' },
+	{ RTF_GATEWAY,	'G' },
+	{ RTF_HOST,	'H' },
+	{ RTF_REJECT,	'R' },
+	{ RTF_BLACKHOLE, 'B' },
+	{ RTF_DYNAMIC,	'D' },
+	{ RTF_MODIFIED,	'M' },
+	{ RTF_DONE,	'd' }, /* Completed -- for routing messages only */
+	{ RTF_MASK,	'm' }, /* Mask Present -- for routing messages only */
+	{ RTF_CLONING,	'C' },
+	{ RTF_XRESOLVE,	'X' },
+	{ RTF_LLINFO,	'L' },
+	{ RTF_STATIC,	'S' },
+	{ RTF_PROTO1,	'1' },
+	{ RTF_PROTO2,	'2' },
+	/* { RTF_PROTO3,	'3' }, */
+	{ RTF_CLONED,	'c' },
+	/* { RTF_JUMBO,	'J' }, */
+	{ RTF_ANNOUNCE,	'p' },
+	{ 0, 0 }
+};
+
+#ifndef SMALL
+static void p_tag(const struct sockaddr *sa);
+#endif
+static void p_rtentry(struct rt_msghdr *, int, int);
+
+/*
+ * Print routing tables.
+ */
+void
+p_rttables(int paf, int flags, int pflags, int interesting)
+{
+	struct rt_msghdr *rtm;
+	char *buf = NULL, *next, *lim = NULL;
+	size_t needed;
+	int mib[6];
+	struct sockaddr *sa;
+
+	mib[0] = CTL_NET;
+	mib[1] = PF_ROUTE;
+	mib[2] = 0;
+	mib[3] = paf;
+	mib[4] = NET_RT_DUMP;
+	mib[5] = 0;
+	if (prog_sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
+		err(1, "route-sysctl-estimate");
+	if (needed > 0) {
+		if ((buf = malloc(needed)) == 0)
+			err(1, NULL);
+		if (prog_sysctl(mib, 6, buf, &needed, NULL, 0) < 0)
+			err(1, "sysctl of routing table");
+		lim = buf + needed;
+	}
+
+	printf("Routing tables\n");
+
+	if (buf) {
+		for (next = buf; next < lim; next += rtm->rtm_msglen) {
+			rtm = (struct rt_msghdr *)next;
+			sa = (struct sockaddr *)(rtm + 1);
+			if ((rtm->rtm_flags & pflags) != pflags)
+				continue;
+			if (paf != AF_UNSPEC && sa->sa_family != paf)
+				continue;
+			p_rtentry(rtm, flags, interesting);
+		}
+		free(buf);
+		buf = NULL;
+	}
+
+	if (paf != 0 && paf != PF_KEY)
+		return;
+
+#if 0 /* XXX-elad */
+	mib[0] = CTL_NET;
+	mib[1] = PF_KEY;
+	mib[2] = PF_KEY_V2;
+	mib[3] = NET_KEY_SPD_DUMP;
+	mib[4] = mib[5] = 0;
+
+	if (prog_sysctl(mib, 4, NULL, &needed, NULL, 0) == -1) {
+		if (errno == ENOPROTOOPT)
+			return;
+		err(1, "spd-sysctl-estimate");
+	}
+	if (needed > 0) {
+		if ((buf = malloc(needed)) == 0)
+			err(1, NULL);
+		if (prog_sysctl(mib, 4, buf, &needed, NULL, 0) == -1)
+			err(1,"sysctl of spd");
+		lim = buf + needed;
+	}
+
+	if (buf) {
+		printf("\nEncap:\n");
+
+		for (next = buf; next < lim; next += msg->sadb_msg_len *
+		    PFKEYV2_CHUNK) {
+			msg = (struct sadb_msg *)next;
+			if (msg->sadb_msg_len == 0)
+				break;
+			p_pfkentry(msg);
+		}
+		free(buf);
+		buf = NULL;
+	}
+#endif /* 0 */
+}
+
+/* 
+ * column widths; each followed by one space
+ * width of destination/gateway column
+ * strlen("fe80::aaaa:bbbb:cccc:dddd@gif0") == 30, strlen("/128") == 4
+ */
+#ifndef INET6
+#define	WID_DST(af)	18	/* width of destination column */
+#define	WID_GW(af)	18	/* width of gateway column */
+#else
+#define	WID_DST(af)	((af) == AF_INET6 ? ((flags & RT_NFLAG) ? 34 : 18) : 18)
+#define	WID_GW(af)	((af) == AF_INET6 ? ((flags & RT_NFLAG) ? 30 : 18) : 18)
+#endif
+
+/*
+ * Print header for routing table columns.
+ */
+void
+p_rthdr(int paf, int flags)
+{
+#ifndef SMALL
+	if (flags & RT_AFLAG)
+		printf("%-*.*s ", PLEN, PLEN, "Address");
+	if (paf == PF_KEY) {
+		printf("%-18s %-5s %-18s %-5s %-5s %-22s\n",
+		    "Source", "Port", "Destination",
+		    "Port", "Proto", "SA(Address/Proto/Type/Direction)");
+		return;
+	}
+	if (flags & RT_TFLAG) {
+	    printf("%-*.*s %-*.*s %-6.6s %6.6s %8.8s %6.6s %7.7s"
+		" %s\n", WID_DST(paf), WID_DST(paf), "Destination",
+		WID_GW(paf), WID_GW(paf), "Gateway",
+		"Flags", "Refs", "Use", "Mtu", "Tag", "Interface");
+	    return;
+	}
+#endif
+#ifndef SMALL
+	printf("%-*.*s %-*.*s %-6.6s %6.6s %8.8s %6.6s %s\n",
+	    WID_DST(paf), WID_DST(paf), "Destination",
+	    WID_GW(paf), WID_GW(paf), "Gateway",
+	    "Flags", "Refs", "Use", "Mtu", "Interface");
+#else
+	printf("%-*.*s %-*.*s %-6.6s\n",
+	    WID_DST(paf), WID_DST(paf), "Destination",
+	    WID_GW(paf), WID_GW(paf), "Gateway",
+	    "Flags");
+#endif
+}
+
+static void
+get_rtaddrs(int addrs, struct sockaddr *sa, struct sockaddr **rti_info)
+{
+	int	i;
+
+	for (i = 0; i < RTAX_MAX; i++) {
+		if (addrs & (1 << i)) {
+			rti_info[i] = sa;
+			sa = (struct sockaddr *)((char *)(sa) +
+			    RT_ROUNDUP(sa->sa_len));
+		} else
+			rti_info[i] = NULL;
+	}
+}
+
+/*
+ * Print a routing table entry.
+ */
+static void
+p_rtentry(struct rt_msghdr *rtm, int flags, int interesting)
+{
+	static int	 old_af = -1;
+	struct sockaddr	*sa = (struct sockaddr *)(rtm + 1);
+	struct sockaddr	*mask, *rti_info[RTAX_MAX];
+#ifndef SMALL
+	char		 ifbuf[IF_NAMESIZE];
+#endif
+
+	if (old_af != sa->sa_family) {
+		old_af = sa->sa_family;
+		p_family(sa->sa_family);
+		p_rthdr(sa->sa_family, flags);
+	}
+	get_rtaddrs(rtm->rtm_addrs, sa, rti_info);
+
+	mask = rti_info[RTAX_NETMASK];
+	if ((sa = rti_info[RTAX_DST]) == NULL)
+		return;
+
+	p_sockaddr(sa, mask, rtm->rtm_flags, WID_DST(sa->sa_family), flags);
+	p_sockaddr(rti_info[RTAX_GATEWAY], NULL, RTF_HOST,
+	    WID_GW(sa->sa_family), flags);
+	p_flags(rtm->rtm_flags & interesting);
+#if 0 /* XXX-elad */
+	printf("%6d %8"PRId64" ", (int)rtm->rtm_rmx.rmx_refcnt,
+	    rtm->rtm_rmx.rmx_pksent);
+#else
+	printf("%6s %8s ", "-", "-");
+#endif
+#ifndef SMALL
+	if (rtm->rtm_rmx.rmx_mtu)
+		printf("%6"PRId64, rtm->rtm_rmx.rmx_mtu);
+	else
+		printf("%6s", "-");
+	putchar((rtm->rtm_rmx.rmx_locks & RTV_MTU) ? 'L' : ' ');
+	if (flags & RT_TFLAG)
+		p_tag(rti_info[RTAX_TAG]);
+	printf(" %.16s", if_indextoname(rtm->rtm_index, ifbuf));
+	putchar('\n');
+	if (flags & RT_VFLAG)
+		p_rtrmx(&rtm->rtm_rmx);
+#endif
+}
+
+/*
+ * Print address family header before a section of the routing table.
+ */
+void
+p_family(int paf)
+{
+	const char *afname;
+
+	switch (paf) {
+	case AF_INET:
+		afname = "Internet";
+		break;
+#ifdef INET6
+	case AF_INET6:
+		afname = "Internet6";
+		break;
+#endif
+	case PF_KEY:
+		afname = "Encap";
+		break;
+	case AF_APPLETALK:
+		afname = "AppleTalk";
+		break;
+#ifndef SMALL
+	case AF_MPLS:
+		afname = "MPLS";
+		break;
+#endif
+	default:
+		afname = NULL;
+		break;
+	}
+	if (afname)
+		printf("\n%s:\n", afname);
+	else
+		printf("\nProtocol Family %d:\n", paf);
+}
+
+void
+p_sockaddr(const struct sockaddr *sa, const struct sockaddr *mask, int rflags,
+    int width, int flags)
+{
+	char *cp;
+
+	switch (sa->sa_family) {
+#ifdef INET6
+	case AF_INET6:
+	    {
+		struct sockaddr_in6 sa6 = *(const struct sockaddr_in6 *)sa;
+
+		inet6_getscopeid(&sa6, INET6_IS_ADDR_LINKLOCAL|
+		    INET6_IS_ADDR_MC_LINKLOCAL);
+		if (rflags & RTF_HOST)
+			cp = routename((const struct sockaddr *)&sa6, flags);
+		else
+			cp = netname((const struct sockaddr *)&sa6, mask, flags);
+		break;
+	    }
+#endif
+	default:
+		if ((rflags & RTF_HOST) || mask == NULL)
+			cp = routename(sa, flags);
+		else
+			cp = netname(sa, mask, flags);
+		break;
+	}
+	if (width < 0)
+		printf("%s", cp);
+	else {
+		if (flags & RT_NFLAG)
+			printf("%-*s ", width, cp);
+		else
+			printf("%-*.*s ", width, width, cp);
+	}
+}
+
+void
+p_flags(int f)
+{
+	char name[33], *flags;
+	const struct bits *p = bits;
+
+	for (flags = name; p->b_mask && flags < &name[sizeof(name) - 2]; p++)
+		if (p->b_mask & f)
+			*flags++ = p->b_val;
+	*flags = '\0';
+	printf("%-6.6s ", name);
+}
+
+#ifndef SMALL
+void
+p_rtrmx(const struct rt_metrics *rmx)
+{
+	printf("\texpire   %10"PRId64"%c  recvpipe %10"PRIu64"%c  "
+	    "sendpipe %10"PRIu64"%c\n",
+	    (int64_t)rmx->rmx_expire, 
+	    (rmx->rmx_locks & RTV_EXPIRE) ? 'L' : ' ', rmx->rmx_recvpipe,
+	    (rmx->rmx_locks & RTV_RPIPE) ? 'L' : ' ', rmx->rmx_sendpipe,
+	    (rmx->rmx_locks & RTV_SPIPE) ? 'L' : ' ');
+	printf("\tssthresh %10"PRIu64"%c  rtt      %10"PRIu64"%c  "
+	    "rttvar   %10"PRIu64"%c\n", rmx->rmx_ssthresh, 
+	    (rmx->rmx_locks & RTV_SSTHRESH) ? 'L' : ' ',
+	    rmx->rmx_rtt, (rmx->rmx_locks & RTV_RTT) ? 'L' : ' ',
+	    rmx->rmx_rttvar, (rmx->rmx_locks & RTV_RTTVAR) ? 'L' : ' ');
+	printf("\thopcount %10"PRIu64"%c\n",
+	    rmx->rmx_hopcount, (rmx->rmx_locks & RTV_HOPCOUNT) ? 'L' : ' ');
+}
+
+static void
+p_tag(const struct sockaddr *sa)
+{
+	char *line;
+
+	if (sa == NULL || sa->sa_family != AF_MPLS) {
+		printf("%7s", "-");
+		return;
+	}
+	line = mpls_ntoa(sa);
+	if (strlen(line) < 7)
+		printf("%7s", line);
+	else
+		printf("%s", line);
+}
+#endif
+
+static char line[MAXHOSTNAMELEN];
+static char domain[MAXHOSTNAMELEN];
+
+char *
+routename(const struct sockaddr *sa, int flags)
+{
+	char *cp = NULL;
+	static int first = 1;
+
+	if (first) {
+		first = 0;
+		if (gethostname(domain, sizeof(domain)) == 0 &&
+		    (cp = strchr(domain, '.')))
+			(void)strlcpy(domain, cp + 1, sizeof(domain));
+		else
+			domain[0] = '\0';
+		cp = NULL;
+	}
+
+	if (sa->sa_len == 0) {
+		(void)strlcpy(line, "default", sizeof(line));
+		return (line);
+	}
+
+	switch (sa->sa_family) {
+	case AF_INET:
+		return routename4(
+		    ((const struct sockaddr_in *)sa)->sin_addr.s_addr,
+		    flags);
+#ifdef INET6
+	case AF_INET6:
+	    {
+		struct sockaddr_in6 sin6;
+
+		memset(&sin6, 0, sizeof(sin6));
+		memcpy(&sin6, sa, sa->sa_len);
+		sin6.sin6_len = sizeof(struct sockaddr_in6);
+		sin6.sin6_family = AF_INET6;
+		if (sa->sa_len == sizeof(struct sockaddr_in6))
+			inet6_getscopeid(&sin6, INET6_IS_ADDR_LINKLOCAL|
+			    INET6_IS_ADDR_MC_LINKLOCAL);
+		return routename6(&sin6, flags);
+	    }
+#endif
+	case AF_LINK:
+		return link_print(sa);
+
+#ifndef SMALL
+	case AF_MPLS:
+		return mpls_ntoa(sa);
+
+	case AF_APPLETALK:
+		(void)snprintf(line, sizeof(line), "atalk %d.%d",
+		    ((const struct sockaddr_at *)sa)->sat_addr.s_net,
+		    ((const struct sockaddr_at *)sa)->sat_addr.s_node);
+		break;
+#endif
+
+#if 0 /* XXX-elad */
+	case AF_UNSPEC:
+		if (sa->sa_len == sizeof(struct sockaddr_rtlabel)) {
+			static char name[RTLABEL_LEN];
+			struct sockaddr_rtlabel *sr;
+
+			sr = (struct sockaddr_rtlabel *)sa;
+			strlcpy(name, sr->sr_label, sizeof(name));
+			return (name);
+		}
+		/* FALLTHROUGH */
+#endif
+	default:
+		(void)snprintf(line, sizeof(line), "(%d) %s",
+		    sa->sa_family, any_ntoa(sa));
+		break;
+	}
+	return (line);
+}
+
+char *
+routename4(in_addr_t in, int flags)
+{
+	const char	*cp = NULL;
+	struct in_addr	 ina;
+	struct hostent	*hp;
+
+	if (in == INADDR_ANY)
+		cp = "default";
+	if (!cp && (flags & RT_NFLAG) == 0) {
+		if ((hp = gethostbyaddr((char *)&in,
+		    sizeof(in), AF_INET)) != NULL) {
+			char *p;
+			if ((p = strchr(hp->h_name, '.')) &&
+			    !strcmp(p + 1, domain))
+				*p = '\0';
+			cp = hp->h_name;
+		}
+	}
+	ina.s_addr = in;
+	strlcpy(line, cp ? cp : inet_ntoa(ina), sizeof(line));
+
+	return (line);
+}
+
+#ifdef INET6
+char *
+routename6(const struct sockaddr_in6 *sin6, int flags)
+{
+	int	 niflags = 0;
+
+	if ((flags & RT_NFLAG))
+		niflags |= NI_NUMERICHOST;
+	else
+		niflags |= NI_NOFQDN;
+
+	if (getnameinfo((const struct sockaddr *)sin6, sin6->sin6_len,
+	    line, sizeof(line), NULL, 0, niflags) != 0)
+		strncpy(line, "invalid", sizeof(line));
+
+	return (line);
+}
+#endif
+
+/*
+ * Return the name of the network whose address is given.
+ * The address is assumed to be that of a net or subnet, not a host.
+ */
+char *
+netname4(in_addr_t in, in_addr_t mask, int flags)
+{
+	const char *cp = NULL;
+	struct netent *np = NULL;
+	int mbits;
+
+	in = ntohl(in);
+	mask = ntohl(mask);
+	if (!(flags & RT_NFLAG) && in != INADDR_ANY) {
+		if ((np = getnetbyaddr(in, AF_INET)) != NULL)
+			cp = np->n_name;
+	}
+	mbits = mask ? 33 - ffs(mask) : 0;
+	if (in == INADDR_ANY && !mbits)
+			cp = "default";
+	if (cp)
+		strlcpy(line, cp, sizeof(line));
+#define C(x)	((x) & 0xff)
+	else if (mbits < 9)
+		snprintf(line, sizeof(line), "%u/%d", C(in >> 24), mbits);
+	else if (mbits < 17)
+		snprintf(line, sizeof(line), "%u.%u/%d",
+		    C(in >> 24) , C(in >> 16), mbits);
+	else if (mbits < 25)
+		snprintf(line, sizeof(line), "%u.%u.%u/%d",
+		    C(in >> 24), C(in >> 16), C(in >> 8), mbits);
+	else
+		snprintf(line, sizeof(line), "%u.%u.%u.%u/%d", C(in >> 24),
+		    C(in >> 16), C(in >> 8), C(in), mbits);
+#undef C
+	return (line);
+}
+
+#ifdef INET6
+char *
+netname6(const struct sockaddr_in6 *sa6, const struct sockaddr_in6 *mask, int flags)
+{
+	struct sockaddr_in6 sin6;
+	const u_char *p;
+	int masklen, final = 0, illegal = 0;
+	int i, lim, flag, error;
+	char hbuf[NI_MAXHOST];
+
+	sin6 = *sa6;
+
+	flag = 0;
+	masklen = 0;
+	if (mask) {
+		lim = mask->sin6_len - offsetof(struct sockaddr_in6, sin6_addr);
+		if (lim < 0)
+			lim = 0;
+		else if (lim > (int)sizeof(struct in6_addr))
+			lim = sizeof(struct in6_addr);
+		for (p = (const u_char *)&mask->sin6_addr, i = 0; i < lim; p++) {
+			if (final && *p) {
+				illegal++;
+				sin6.sin6_addr.s6_addr[i++] = 0x00;
+				continue;
+			}
+
+			switch (*p & 0xff) {
+			case 0xff:
+				masklen += 8;
+				break;
+			case 0xfe:
+				masklen += 7;
+				final++;
+				break;
+			case 0xfc:
+				masklen += 6;
+				final++;
+				break;
+			case 0xf8:
+				masklen += 5;
+				final++;
+				break;
+			case 0xf0:
+				masklen += 4;
+				final++;
+				break;
+			case 0xe0:
+				masklen += 3;
+				final++;
+				break;
+			case 0xc0:
+				masklen += 2;
+				final++;
+				break;
+			case 0x80:
+				masklen += 1;
+				final++;
+				break;
+			case 0x00:
+				final++;
+				break;
+			default:
+				final++;
+				illegal++;
+				break;
+			}
+
+			if (!illegal)
+				sin6.sin6_addr.s6_addr[i++] &= *p;
+			else
+				sin6.sin6_addr.s6_addr[i++] = 0x00;
+		}
+		while (i < (int)sizeof(struct in6_addr))
+			sin6.sin6_addr.s6_addr[i++] = 0x00;
+	} else
+		masklen = 128;
+
+	if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr)) {
+		snprintf(line, sizeof(line), "default");
+		return (line);
+	}
+
+	if (illegal)
+		warnx("illegal prefixlen");
+
+	if (flags & RT_NFLAG)
+		flag |= NI_NUMERICHOST;
+	error = getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
+	    hbuf, sizeof(hbuf), NULL, 0, flag);
+	if (error)
+		snprintf(hbuf, sizeof(hbuf), "invalid");
+
+	snprintf(line, sizeof(line), "%s/%d", hbuf, masklen);
+	return (line);
+}
+#endif
+
+/*
+ * Return the name of the network whose address is given.
+ * The address is assumed to be that of a net or subnet, not a host.
+ */
+char *
+netname(const struct sockaddr *sa, const struct sockaddr *mask, int flags)
+{
+	switch (sa->sa_family) {
+
+	case AF_INET:
+		return netname4(((const struct sockaddr_in *)sa)->sin_addr.s_addr,
+		    ((const struct sockaddr_in *)mask)->sin_addr.s_addr, flags);
+#ifdef INET6
+	case AF_INET6:
+		return netname6((const struct sockaddr_in6 *)sa,
+		    (const struct sockaddr_in6 *)mask, flags);
+#endif
+	case AF_LINK:
+		return link_print(sa);
+	default:
+		snprintf(line, sizeof(line), "af %d: %s",
+		    sa->sa_family, any_ntoa(sa));
+		break;
+	}
+	return (line);
+}
+
+static const char hexlist[] = "0123456789abcdef";
+
+char *
+any_ntoa(const struct sockaddr *sa)
+{
+	static char obuf[240];
+	const char *in = sa->sa_data;
+	char *out = obuf;
+	int len = sa->sa_len - offsetof(struct sockaddr, sa_data);
+
+	*out++ = 'Q';
+	do {
+		*out++ = hexlist[(*in >> 4) & 15];
+		*out++ = hexlist[(*in++)    & 15];
+		*out++ = '.';
+	} while (--len > 0 && (out + 3) < &obuf[sizeof(obuf) - 1]);
+	out[-1] = '\0';
+	return (obuf);
+}
+
+static char *
+link_print(const struct sockaddr *sa)
+{
+	const struct sockaddr_dl *sdl = (const struct sockaddr_dl *)sa;
+	const u_char *lla = (const u_char *)sdl->sdl_data + sdl->sdl_nlen;
+
+	if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
+	    sdl->sdl_slen == 0) {
+		(void)snprintf(line, sizeof(line), "link#%d", sdl->sdl_index);
+		return (line);
+	}
+	switch (sdl->sdl_type) {
+	case IFT_ETHER:
+	case IFT_CARP:
+		return ether_ntoa((const struct ether_addr *)lla);
+	default:
+		return link_ntoa(sdl);
+	}
+}
+
+#ifndef SMALL
+char *
+mpls_ntoa(const struct sockaddr *sa)
+{
+	static char obuf[16];
+	size_t olen;
+	const union mpls_shim *pms;
+	union mpls_shim ms;
+	int psize = sizeof(struct sockaddr_mpls);
+
+	pms = &((const struct sockaddr_mpls*)sa)->smpls_addr;
+	ms.s_addr = ntohl(pms->s_addr);
+
+	snprintf(obuf, sizeof(obuf), "%u", ms.shim.label);
+
+	while(psize < sa->sa_len) {
+		pms++;
+		ms.s_addr = ntohl(pms->s_addr);
+		olen = strlen(obuf);
+		snprintf(obuf + olen, sizeof(obuf) - olen, ",%u",
+		    ms.shim.label);
+		psize+=sizeof(ms);
+	}
+	return obuf;
+}
+#endif
+
+void
+p_addr(const struct sockaddr *sa, const struct sockaddr *mask, int rflags, int flags)
+{
+	p_sockaddr(sa, mask, rflags, WID_DST(sa->sa_family), flags);
+}
+
+void
+p_gwaddr(const struct sockaddr *sa, int gwaf, int flags)
+{
+	p_sockaddr(sa, 0, RTF_HOST, WID_GW(gwaf), flags);
+}
Index: src/sbin/route/rtutil.h
diff -u /dev/null src/sbin/route/rtutil.h:1.1
--- /dev/null	Thu Nov  6 16:29:32 2014
+++ src/sbin/route/rtutil.h	Thu Nov  6 16:29:32 2014
@@ -0,0 +1,58 @@
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define RT_AFLAG	1
+#define RT_TFLAG	2
+#define RT_VFLAG	4
+#define RT_NFLAG	8
+
+void p_rttables(int, int, int, int);
+void p_rthdr(int, int);
+void p_family(int);
+void p_sockaddr(const struct sockaddr *, const struct sockaddr *, int, int, int);
+void p_flags(int);
+struct rt_metrics;
+void p_rtrmx(const struct rt_metrics *);
+void p_addr(const struct sockaddr *sa, const struct sockaddr *mask, int, int);
+void p_gwaddr(const struct sockaddr *sa, int, int);
+
+char *routename(const struct sockaddr *sa, int);
+char *routename4(in_addr_t, int);
+#ifdef INET6
+char *routename6(const struct sockaddr_in6 *, int);
+char *netname6(const struct sockaddr_in6 *, const struct sockaddr_in6 *, int);
+#endif
+char *netname(const struct sockaddr *, const struct sockaddr *, int);
+char *netname4(in_addr_t, in_addr_t, int);
+
+char *mpls_ntoa(const struct sockaddr *);
+char *any_ntoa(const struct sockaddr *);

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