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|
/*-
* 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.
* 4. 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.
*/
#if 0
#ifndef lint
static char sccsid[] = "From: @(#)route.c 8.6 (Berkeley) 4/28/95";
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netgraph/ng_socket.h>
#include <arpa/inet.h>
#include <ifaddrs.h>
#include <libutil.h>
#include <netdb.h>
#include <nlist.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
#include <err.h>
#include <libxo/xo.h>
#include "netstat.h"
/*
* Definitions for showing gateway flags.
*/
struct bits {
u_long b_mask;
char b_val;
const char *b_name;
} bits[] = {
{ RTF_UP, 'U', "up" },
{ RTF_GATEWAY, 'G', "gateway" },
{ RTF_HOST, 'H', "host" },
{ RTF_REJECT, 'R', "reject" },
{ RTF_DYNAMIC, 'D', "dynamic" },
{ RTF_MODIFIED, 'M', "modified" },
{ RTF_DONE, 'd', "done" }, /* Completed -- for routing msgs only */
{ RTF_XRESOLVE, 'X', "xresolve" },
{ RTF_STATIC, 'S', "static" },
{ RTF_PROTO1, '1', "proto1" },
{ RTF_PROTO2, '2', "proto2" },
{ RTF_PROTO3, '3', "proto3" },
{ RTF_BLACKHOLE,'B', "blackhole" },
{ RTF_BROADCAST,'b', "broadcast" },
#ifdef RTF_LLINFO
{ RTF_LLINFO, 'L', "llinfo" },
#endif
{ 0 , 0, NULL }
};
/*
* kvm(3) bindings for every needed symbol
*/
static struct nlist rl[] = {
#define N_RTSTAT 0
{ .n_name = "_rtstat" },
#define N_RTTRASH 1
{ .n_name = "_rttrash" },
{ .n_name = NULL },
};
typedef union {
long dummy; /* Helps align structure. */
struct sockaddr u_sa;
u_short u_data[128];
} sa_u;
struct ifmap_entry {
char ifname[IFNAMSIZ];
};
static struct ifmap_entry *ifmap;
static int ifmap_size;
struct timespec uptime;
static void p_rtable_sysctl(int, int);
static void p_rtentry_sysctl(const char *name, struct rt_msghdr *);
static void p_sockaddr(const char *name, struct sockaddr *, struct sockaddr *,
int, int);
static const char *fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask,
int flags);
static void p_flags(int, const char *);
static const char *fmt_flags(int f);
static void domask(char *, in_addr_t, u_long);
/*
* Print routing tables.
*/
void
routepr(int fibnum, int af)
{
size_t intsize;
int numfibs;
if (live == 0)
return;
intsize = sizeof(int);
if (fibnum == -1 &&
sysctlbyname("net.my_fibnum", &fibnum, &intsize, NULL, 0) == -1)
fibnum = 0;
if (sysctlbyname("net.fibs", &numfibs, &intsize, NULL, 0) == -1)
numfibs = 1;
if (fibnum < 0 || fibnum > numfibs - 1)
errx(EX_USAGE, "%d: invalid fib", fibnum);
/*
* Since kernel & userland use different timebase
* (time_uptime vs time_second) and we are reading kernel memory
* directly we should do rt_expire --> expire_time conversion.
*/
if (clock_gettime(CLOCK_UPTIME, &uptime) < 0)
err(EX_OSERR, "clock_gettime() failed");
xo_open_container("route-information");
xo_emit("{T:Routing tables}");
if (fibnum)
xo_emit(" ({L:fib}: {:fib/%d})", fibnum);
xo_emit("\n");
p_rtable_sysctl(fibnum, af);
xo_close_container("route-information");
}
/*
* Print address family header before a section of the routing table.
*/
void
pr_family(int af1)
{
const char *afname;
switch (af1) {
case AF_INET:
afname = "Internet";
break;
#ifdef INET6
case AF_INET6:
afname = "Internet6";
break;
#endif /*INET6*/
case AF_ISO:
afname = "ISO";
break;
case AF_CCITT:
afname = "X.25";
break;
case AF_NETGRAPH:
afname = "Netgraph";
break;
default:
afname = NULL;
break;
}
if (afname)
xo_emit("\n{k:address-family/%s}:\n", afname);
else
xo_emit("\n{L:Protocol Family} {k:address-family/%d}:\n", af1);
}
/* column widths; each followed by one space */
#ifndef INET6
#define WID_DST_DEFAULT(af) 18 /* width of destination column */
#define WID_GW_DEFAULT(af) 18 /* width of gateway column */
#define WID_IF_DEFAULT(af) (Wflag ? 10 : 8) /* width of netif column */
#else
#define WID_DST_DEFAULT(af) \
((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
#define WID_GW_DEFAULT(af) \
((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
#define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 10 : 8))
#endif /*INET6*/
static int wid_dst;
static int wid_gw;
static int wid_flags;
static int wid_pksent;
static int wid_mtu;
static int wid_if;
static int wid_expire;
/*
* Print header for routing table columns.
*/
void
pr_rthdr(int af1)
{
if (Aflag)
xo_emit("{T:/%-8.8s} ","Address");
if (Wflag) {
xo_emit("{T:/%-*.*s} {T:/%-*.*s} {T:/%-*.*s} {T:/%*.*s} "
"{T:/%*.*s} {T:/%*.*s} {T:/%*s}\n",
wid_dst, wid_dst, "Destination",
wid_gw, wid_gw, "Gateway",
wid_flags, wid_flags, "Flags",
wid_pksent, wid_pksent, "Use",
wid_mtu, wid_mtu, "Mtu",
wid_if, wid_if, "Netif",
wid_expire, "Expire");
} else {
xo_emit("{T:/%-*.*s} {T:/%-*.*s} {T:/%-*.*s} {T:/%*.*s} "
"{T:/%*s}\n",
wid_dst, wid_dst, "Destination",
wid_gw, wid_gw, "Gateway",
wid_flags, wid_flags, "Flags",
wid_if, wid_if, "Netif",
wid_expire, "Expire");
}
}
static void
p_rtable_sysctl(int fibnum, int af)
{
size_t needed;
int mib[7];
char *buf, *next, *lim;
struct rt_msghdr *rtm;
struct sockaddr *sa;
int fam = AF_UNSPEC, ifindex = 0, size;
int need_table_close = false;
struct ifaddrs *ifap, *ifa;
struct sockaddr_dl *sdl;
/*
* Retrieve interface list at first
* since we need #ifindex -> if_xname match
*/
if (getifaddrs(&ifap) != 0)
err(EX_OSERR, "getifaddrs");
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr->sa_family != AF_LINK)
continue;
sdl = (struct sockaddr_dl *)ifa->ifa_addr;
ifindex = sdl->sdl_index;
if (ifindex >= ifmap_size) {
size = roundup(ifindex + 1, 32) *
sizeof(struct ifmap_entry);
if ((ifmap = realloc(ifmap, size)) == NULL)
errx(2, "realloc(%d) failed", size);
memset(&ifmap[ifmap_size], 0,
size - ifmap_size *
sizeof(struct ifmap_entry));
ifmap_size = roundup(ifindex + 1, 32);
}
if (*ifmap[ifindex].ifname != '\0')
continue;
strlcpy(ifmap[ifindex].ifname, ifa->ifa_name, IFNAMSIZ);
}
freeifaddrs(ifap);
mib[0] = CTL_NET;
mib[1] = PF_ROUTE;
mib[2] = 0;
mib[3] = af;
mib[4] = NET_RT_DUMP;
mib[5] = 0;
mib[6] = fibnum;
if (sysctl(mib, nitems(mib), NULL, &needed, NULL, 0) < 0)
err(EX_OSERR, "sysctl: net.route.0.%d.dump.%d estimate", af,
fibnum);
if ((buf = malloc(needed)) == NULL)
errx(2, "malloc(%lu)", (unsigned long)needed);
if (sysctl(mib, nitems(mib), buf, &needed, NULL, 0) < 0)
err(1, "sysctl: net.route.0.%d.dump.%d", af, fibnum);
lim = buf + needed;
xo_open_container("route-table");
xo_open_list("rt-family");
for (next = buf; next < lim; next += rtm->rtm_msglen) {
rtm = (struct rt_msghdr *)next;
if (rtm->rtm_version != RTM_VERSION)
continue;
/*
* Peek inside header to determine AF
*/
sa = (struct sockaddr *)(rtm + 1);
/* Only print family first time. */
if (fam != sa->sa_family) {
if (need_table_close) {
xo_close_list("rt-entry");
xo_close_instance("rt-family");
}
need_table_close = true;
fam = sa->sa_family;
wid_dst = WID_DST_DEFAULT(fam);
wid_gw = WID_GW_DEFAULT(fam);
wid_flags = 6;
wid_pksent = 8;
wid_mtu = 6;
wid_if = WID_IF_DEFAULT(fam);
wid_expire = 6;
xo_open_instance("rt-family");
pr_family(fam);
xo_open_list("rt-entry");
pr_rthdr(fam);
}
p_rtentry_sysctl("rt-entry", rtm);
}
if (need_table_close) {
xo_close_list("rt-entry");
xo_close_instance("rt-family");
}
xo_close_list("rt-family");
xo_close_container("route-table");
free(buf);
}
static void
p_rtentry_sysctl(const char *name, struct rt_msghdr *rtm)
{
struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
char buffer[128];
char prettyname[128];
sa_u addr, mask, gw;
unsigned int l;
xo_open_instance(name);
#define GETSA(_s, _f) { \
bzero(&(_s), sizeof(_s)); \
if (rtm->rtm_addrs & _f) { \
l = roundup(sa->sa_len, sizeof(long)); \
memcpy(&(_s), sa, (l > sizeof(_s)) ? sizeof(_s) : l); \
sa = (struct sockaddr *)((char *)sa + l); \
} \
}
GETSA(addr, RTA_DST);
GETSA(gw, RTA_GATEWAY);
GETSA(mask, RTA_NETMASK);
p_sockaddr("destination", &addr.u_sa, &mask.u_sa, rtm->rtm_flags,
wid_dst);
p_sockaddr("gateway", &gw.u_sa, NULL, RTF_HOST, wid_gw);
snprintf(buffer, sizeof(buffer), "{[:-%d}{:flags/%%s}{]:} ",
wid_flags);
p_flags(rtm->rtm_flags, buffer);
if (Wflag) {
xo_emit("{t:use/%*lu} ", wid_pksent, rtm->rtm_rmx.rmx_pksent);
if (rtm->rtm_rmx.rmx_mtu != 0)
xo_emit("{t:mtu/%*lu} ", wid_mtu, rtm->rtm_rmx.rmx_mtu);
else
xo_emit("{P:/%*s} ", wid_mtu, "");
}
memset(prettyname, 0, sizeof(prettyname));
if (rtm->rtm_index < ifmap_size) {
strlcpy(prettyname, ifmap[rtm->rtm_index].ifname,
sizeof(prettyname));
if (*prettyname == '\0')
strlcpy(prettyname, "---", sizeof(prettyname));
}
xo_emit("{t:interface-name/%*.*s}", wid_if, wid_if, prettyname);
if (rtm->rtm_rmx.rmx_expire) {
time_t expire_time;
if ((expire_time = rtm->rtm_rmx.rmx_expire - uptime.tv_sec) > 0)
xo_emit(" {:expire-time/%*d}", wid_expire,
(int)expire_time);
}
xo_emit("\n");
xo_close_instance(name);
}
static void
p_sockaddr(const char *name, struct sockaddr *sa, struct sockaddr *mask,
int flags, int width)
{
const char *cp;
char buf[128];
cp = fmt_sockaddr(sa, mask, flags);
if (width < 0) {
snprintf(buf, sizeof(buf), "{:%s/%%s} ", name);
xo_emit(buf, cp);
} else {
if (numeric_addr) {
snprintf(buf, sizeof(buf), "{[:%d}{:%s/%%s}{]:} ",
-width, name);
xo_emit(buf, cp);
} else {
snprintf(buf, sizeof(buf), "{[:%d}{:%s/%%-.*s}{]:} ",
-width, name);
xo_emit(buf, width, cp);
}
}
}
static const char *
fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
{
static char workbuf[128];
const char *cp;
if (sa == NULL)
return ("null");
switch(sa->sa_family) {
case AF_INET:
{
struct sockaddr_in *sockin = (struct sockaddr_in *)sa;
if ((sockin->sin_addr.s_addr == INADDR_ANY) &&
mask &&
ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr)
==0L)
cp = "default" ;
else if (flags & RTF_HOST)
cp = routename(sockin->sin_addr.s_addr);
else if (mask)
cp = netname(sockin->sin_addr.s_addr,
((struct sockaddr_in *)mask)->sin_addr.s_addr);
else
cp = netname(sockin->sin_addr.s_addr, INADDR_ANY);
break;
}
#ifdef INET6
case AF_INET6:
{
struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
/*
* The sa6->sin6_scope_id must be filled here because
* this sockaddr is extracted from kmem(4) directly
* and has KAME-specific embedded scope id in
* sa6->sin6_addr.s6_addr[2].
*/
in6_fillscopeid(sa6);
if (flags & RTF_HOST)
cp = routename6(sa6);
else if (mask)
cp = netname6(sa6,
&((struct sockaddr_in6 *)mask)->sin6_addr);
else {
cp = netname6(sa6, NULL);
}
break;
}
#endif /*INET6*/
case AF_NETGRAPH:
{
strlcpy(workbuf, ((struct sockaddr_ng *)sa)->sg_data,
sizeof(workbuf));
cp = workbuf;
break;
}
case AF_LINK:
{
struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
sdl->sdl_slen == 0) {
(void) sprintf(workbuf, "link#%d", sdl->sdl_index);
cp = workbuf;
} else
switch (sdl->sdl_type) {
case IFT_ETHER:
case IFT_L2VLAN:
case IFT_BRIDGE:
if (sdl->sdl_alen == ETHER_ADDR_LEN) {
cp = ether_ntoa((struct ether_addr *)
(sdl->sdl_data + sdl->sdl_nlen));
break;
}
/* FALLTHROUGH */
default:
cp = link_ntoa(sdl);
break;
}
break;
}
default:
{
u_char *s = (u_char *)sa->sa_data, *slim;
char *cq, *cqlim;
cq = workbuf;
slim = sa->sa_len + (u_char *) sa;
cqlim = cq + sizeof(workbuf) - 6;
cq += sprintf(cq, "(%d)", sa->sa_family);
while (s < slim && cq < cqlim) {
cq += sprintf(cq, " %02x", *s++);
if (s < slim)
cq += sprintf(cq, "%02x", *s++);
}
cp = workbuf;
}
}
return (cp);
}
static void
p_flags(int f, const char *format)
{
struct bits *p;
xo_emit(format, fmt_flags(f));
xo_open_list("flags_pretty");
for (p = bits; p->b_mask; p++)
if (p->b_mask & f)
xo_emit("{le:flags_pretty/%s}", p->b_name);
xo_close_list("flags_pretty");
}
static const char *
fmt_flags(int f)
{
static char name[33];
char *flags;
struct bits *p = bits;
for (flags = name; p->b_mask; p++)
if (p->b_mask & f)
*flags++ = p->b_val;
*flags = '\0';
return (name);
}
char *
routename(in_addr_t in)
{
char *cp;
static char line[MAXHOSTNAMELEN];
struct hostent *hp;
cp = 0;
if (!numeric_addr) {
hp = gethostbyaddr(&in, sizeof (struct in_addr), AF_INET);
if (hp) {
cp = hp->h_name;
trimdomain(cp, strlen(cp));
}
}
if (cp) {
strlcpy(line, cp, sizeof(line));
} else {
#define C(x) ((x) & 0xff)
in = ntohl(in);
sprintf(line, "%u.%u.%u.%u",
C(in >> 24), C(in >> 16), C(in >> 8), C(in));
}
return (line);
}
#define NSHIFT(m) ( \
(m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \
(m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \
(m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \
0)
static void
domask(char *dst, in_addr_t addr __unused, u_long mask)
{
int b, i;
if (mask == 0 || (!numeric_addr && NSHIFT(mask) != 0)) {
*dst = '\0';
return;
}
i = 0;
for (b = 0; b < 32; b++)
if (mask & (1 << b)) {
int bb;
i = b;
for (bb = b+1; bb < 32; bb++)
if (!(mask & (1 << bb))) {
i = -1; /* noncontig */
break;
}
break;
}
if (i == -1)
sprintf(dst, "&0x%lx", mask);
else
sprintf(dst, "/%d", 32-i);
}
/*
* Return the name of the network whose address is given.
*/
char *
netname(in_addr_t in, in_addr_t mask)
{
char *cp = 0;
static char line[MAXHOSTNAMELEN];
struct netent *np = 0;
in_addr_t i;
/* It is ok to supply host address. */
in &= mask;
i = ntohl(in);
if (!numeric_addr && i) {
np = getnetbyaddr(i >> NSHIFT(ntohl(mask)), AF_INET);
if (np != NULL) {
cp = np->n_name;
trimdomain(cp, strlen(cp));
}
}
if (cp != NULL) {
strlcpy(line, cp, sizeof(line));
} else {
inet_ntop(AF_INET, &in, line, sizeof(line) - 1);
}
domask(line + strlen(line), i, ntohl(mask));
return (line);
}
#undef NSHIFT
#ifdef INET6
void
in6_fillscopeid(struct sockaddr_in6 *sa6)
{
#if defined(__KAME__)
/*
* XXX: This is a special workaround for KAME kernels.
* sin6_scope_id field of SA should be set in the future.
*/
if (IN6_IS_ADDR_LINKLOCAL(&sa6->sin6_addr) ||
IN6_IS_ADDR_MC_NODELOCAL(&sa6->sin6_addr) ||
IN6_IS_ADDR_MC_LINKLOCAL(&sa6->sin6_addr)) {
if (sa6->sin6_scope_id == 0)
sa6->sin6_scope_id =
ntohs(*(u_int16_t *)&sa6->sin6_addr.s6_addr[2]);
sa6->sin6_addr.s6_addr[2] = sa6->sin6_addr.s6_addr[3] = 0;
}
#endif
}
const char *
netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
{
static char line[MAXHOSTNAMELEN];
u_char *p = (u_char *)mask;
u_char *lim;
int masklen, illegal = 0, flag = 0;
if (mask) {
for (masklen = 0, lim = p + 16; p < lim; p++) {
switch (*p) {
case 0xff:
masklen += 8;
break;
case 0xfe:
masklen += 7;
break;
case 0xfc:
masklen += 6;
break;
case 0xf8:
masklen += 5;
break;
case 0xf0:
masklen += 4;
break;
case 0xe0:
masklen += 3;
break;
case 0xc0:
masklen += 2;
break;
case 0x80:
masklen += 1;
break;
case 0x00:
break;
default:
illegal ++;
break;
}
}
if (illegal)
xo_error("illegal prefixlen\n");
}
else
masklen = 128;
if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr))
return("default");
if (numeric_addr)
flag |= NI_NUMERICHOST;
getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
NULL, 0, flag);
if (numeric_addr)
sprintf(&line[strlen(line)], "/%d", masklen);
return line;
}
char *
routename6(struct sockaddr_in6 *sa6)
{
static char line[MAXHOSTNAMELEN];
int flag = 0;
/* use local variable for safety */
struct sockaddr_in6 sa6_local;
sa6_local.sin6_family = AF_INET6;
sa6_local.sin6_len = sizeof(sa6_local);
sa6_local.sin6_addr = sa6->sin6_addr;
sa6_local.sin6_scope_id = sa6->sin6_scope_id;
if (numeric_addr)
flag |= NI_NUMERICHOST;
getnameinfo((struct sockaddr *)&sa6_local, sa6_local.sin6_len,
line, sizeof(line), NULL, 0, flag);
return line;
}
#endif /*INET6*/
/*
* Print routing statistics
*/
void
rt_stats(void)
{
struct rtstat rtstat;
u_long rtsaddr, rttaddr;
int rttrash;
kresolve_list(rl);
if ((rtsaddr = rl[N_RTSTAT].n_value) == 0) {
xo_emit("{W:rtstat: symbol not in namelist}\n");
return;
}
if ((rttaddr = rl[N_RTTRASH].n_value) == 0) {
xo_emit("{W:rttrash: symbol not in namelist}\n");
return;
}
kread(rtsaddr, (char *)&rtstat, sizeof (rtstat));
kread(rttaddr, (char *)&rttrash, sizeof (rttrash));
xo_emit("{T:routing}:\n");
#define p(f, m) if (rtstat.f || sflag <= 1) \
xo_emit(m, rtstat.f, plural(rtstat.f))
p(rts_badredirect, "\t{:bad-redirects/%hu} "
"{N:/bad routing redirect%s}\n");
p(rts_dynamic, "\t{:dynamically-created/%hu} "
"{N:/dynamically created route%s}\n");
p(rts_newgateway, "\t{:new-gateways/%hu} "
"{N:/new gateway%s due to redirects}\n");
p(rts_unreach, "\t{:unreachable-destination/%hu} "
"{N:/destination%s found unreachable}\n");
p(rts_wildcard, "\t{:wildcard-uses/%hu} "
"{N:/use%s of a wildcard route}\n");
#undef p
if (rttrash || sflag <= 1)
xo_emit("\t{:unused-but-not-freed/%u} "
"{N:/route%s not in table but not freed}\n",
rttrash, plural(rttrash));
}
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