830 lines
18 KiB
C
830 lines
18 KiB
C
/*
|
|
* Copyright (c) 1983, 1988 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
/*static char sccsid[] = "from: @(#)route.c 5.20 (Berkeley) 11/29/90";*/
|
|
static char rcsid[] = "$Id: route.c,v 1.5 1993/08/01 18:10:48 mycroft Exp $";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/mbuf.h>
|
|
|
|
#include <net/if.h>
|
|
#define KERNEL
|
|
#include <net/route.h>
|
|
#undef KERNEL
|
|
#include <netinet/in.h>
|
|
|
|
#ifdef NS
|
|
#include <netns/ns.h>
|
|
#endif
|
|
|
|
#ifdef ISO
|
|
#include <netiso/iso.h>
|
|
#include <net/if_dl.h>
|
|
#include <netiso/iso_snpac.h>
|
|
#endif
|
|
|
|
#include <netdb.h>
|
|
#include <sys/kinfo.h>
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
extern int nflag, aflag, Aflag, af;
|
|
int do_rtent;
|
|
extern char *routename(), *netname(), *plural();
|
|
#ifdef NS
|
|
extern char *ns_print();
|
|
#endif
|
|
extern char *malloc();
|
|
#define kget(p, d) \
|
|
(kvm_read((off_t)(p), (char *)&(d), sizeof (d)))
|
|
|
|
/*
|
|
* Definitions for showing gateway flags.
|
|
*/
|
|
struct bits {
|
|
short b_mask;
|
|
char b_val;
|
|
} bits[] = {
|
|
{ RTF_UP, 'U' },
|
|
{ RTF_GATEWAY, 'G' },
|
|
{ RTF_HOST, 'H' },
|
|
{ RTF_DYNAMIC, 'D' },
|
|
{ RTF_MODIFIED, 'M' },
|
|
{ RTF_CLONING, 'C' },
|
|
{ RTF_XRESOLVE, 'X' },
|
|
{ RTF_LLINFO, 'L' },
|
|
{ RTF_REJECT, 'R' },
|
|
{ 0 }
|
|
};
|
|
|
|
#ifdef ISO
|
|
struct bits2 {
|
|
short b_mask;
|
|
char b_val;
|
|
} bits2[] = {
|
|
{ SNPA_ES, 'E' },
|
|
{ SNPA_IS, 'I' },
|
|
{ SNPA_PERM, 'P' },
|
|
{ 0 }
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
* Print routing tables.
|
|
*/
|
|
routepr(hostaddr, netaddr, hashsizeaddr, treeaddr)
|
|
off_t hostaddr, netaddr, hashsizeaddr, treeaddr;
|
|
{
|
|
struct mbuf mb;
|
|
register struct ortentry *rt;
|
|
register struct mbuf *m;
|
|
char name[16], *flags;
|
|
struct mbuf **routehash;
|
|
int hashsize;
|
|
int i, doinghost = 1;
|
|
|
|
printf("Routing tables\n");
|
|
if (treeaddr)
|
|
return treestuff(treeaddr);
|
|
if (hostaddr == 0) {
|
|
printf("rthost: symbol not in namelist\n");
|
|
return;
|
|
}
|
|
if (netaddr == 0) {
|
|
printf("rtnet: symbol not in namelist\n");
|
|
return;
|
|
}
|
|
if (hashsizeaddr == 0) {
|
|
printf("rthashsize: symbol not in namelist\n");
|
|
return;
|
|
}
|
|
kget(hashsizeaddr, hashsize);
|
|
routehash = (struct mbuf **)malloc( hashsize*sizeof (struct mbuf *) );
|
|
kvm_read(hostaddr, (char *)routehash, hashsize*sizeof (struct mbuf *));
|
|
again:
|
|
for (i = 0; i < hashsize; i++) {
|
|
if (routehash[i] == 0)
|
|
continue;
|
|
m = routehash[i];
|
|
while (m) {
|
|
kget(m, mb);
|
|
if (Aflag)
|
|
printf("%8.8x ", m);
|
|
p_ortentry((struct ortentry *)(mb.m_dat));
|
|
m = mb.m_next;
|
|
}
|
|
}
|
|
if (doinghost) {
|
|
kvm_read(netaddr, (char *)routehash,
|
|
hashsize*sizeof (struct mbuf *));
|
|
doinghost = 0;
|
|
goto again;
|
|
}
|
|
free((char *)routehash);
|
|
return;
|
|
}
|
|
|
|
|
|
char *
|
|
af_name(af)
|
|
{
|
|
static char buf[10];
|
|
|
|
switch(af) {
|
|
case AF_INET:
|
|
return "inet";
|
|
case AF_UNIX:
|
|
return "unix";
|
|
case AF_NS:
|
|
return "ns";
|
|
case AF_ISO:
|
|
return "iso";
|
|
default:
|
|
sprintf(buf, "%d", af);
|
|
}
|
|
return buf;
|
|
}
|
|
|
|
void
|
|
p_heading(af)
|
|
{
|
|
if (Aflag)
|
|
printf("%-8.8s ","Address");
|
|
switch(af) {
|
|
case AF_INET:
|
|
printf("%-16.16s %-18.18s %-6.6s %6.6s %8.8s %s\n",
|
|
"Destination", "Gateway",
|
|
"Flags", "Refs", "Use", "Interface");
|
|
break;
|
|
case AF_ISO:
|
|
if (nflag) {
|
|
printf("%-50.50s %-17.17s %-5.5s %s\n",
|
|
"Destination", "Media addr", "Flags", "Intf");
|
|
} else {
|
|
printf("%-12.12s %-19.19s %-17.17s %-6.6s %6s %8s %s\n",
|
|
"NSAP-prefix", "Area/Id", "Media addr",
|
|
"Flags", "Refs", "Use", "Intf");
|
|
}
|
|
break;
|
|
default:
|
|
printf("%-16.16s %-18.18s %-6.6s %6.6s%8.8s %s\n",
|
|
"Destination", "Gateway",
|
|
"Flags", "Refs", "Use", "Interface");
|
|
}
|
|
}
|
|
|
|
|
|
static union {
|
|
struct sockaddr u_sa;
|
|
u_short u_data[128];
|
|
} pt_u;
|
|
int do_rtent = 0;
|
|
struct rtentry rtentry;
|
|
struct radix_node rnode;
|
|
struct radix_mask rmask;
|
|
|
|
int NewTree = 0;
|
|
treestuff(rtree)
|
|
off_t rtree;
|
|
{
|
|
struct radix_node_head *rnh, head;
|
|
|
|
if (Aflag == 0 && NewTree)
|
|
return(ntreestuff());
|
|
for (kget(rtree, rnh); rnh; rnh = head.rnh_next) {
|
|
kget(rnh, head);
|
|
if (head.rnh_af == 0) {
|
|
if (Aflag || af == AF_UNSPEC) {
|
|
printf("Netmasks:\n");
|
|
p_tree(head.rnh_treetop);
|
|
}
|
|
} else if (af == AF_UNSPEC || af == head.rnh_af) {
|
|
printf("\nRoute Tree for Protocol Family %s:\n",
|
|
af_name(head.rnh_af));
|
|
p_heading(head.rnh_af);
|
|
do_rtent = 1;
|
|
p_tree(head.rnh_treetop);
|
|
}
|
|
}
|
|
}
|
|
|
|
struct sockaddr *
|
|
kgetsa(dst)
|
|
register struct sockaddr *dst;
|
|
{
|
|
kget(dst, pt_u.u_sa);
|
|
if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa)) {
|
|
kvm_read((off_t)dst, pt_u.u_data, pt_u.u_sa.sa_len);
|
|
}
|
|
return (&pt_u.u_sa);
|
|
}
|
|
|
|
p_tree(rn)
|
|
struct radix_node *rn;
|
|
{
|
|
|
|
again:
|
|
kget(rn, rnode);
|
|
if (rnode.rn_b < 0) {
|
|
if (Aflag)
|
|
printf("%-8.8x ", rn);
|
|
if (rnode.rn_flags & RNF_ROOT)
|
|
printf("(root node)%s",
|
|
rnode.rn_dupedkey ? " =>\n" : "\n");
|
|
else if (do_rtent) {
|
|
kget(rn, rtentry);
|
|
p_rtentry(&rtentry);
|
|
if (Aflag)
|
|
p_rtnode();
|
|
} else {
|
|
p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
|
|
0, 44);
|
|
putchar('\n');
|
|
}
|
|
if (rn = rnode.rn_dupedkey)
|
|
goto again;
|
|
} else {
|
|
if (Aflag && do_rtent) {
|
|
printf("%-8.8x ", rn);
|
|
p_rtnode();
|
|
}
|
|
rn = rnode.rn_r;
|
|
p_tree(rnode.rn_l);
|
|
p_tree(rn);
|
|
}
|
|
}
|
|
char nbuf[20];
|
|
|
|
p_rtnode()
|
|
{
|
|
|
|
struct radix_mask *rm = rnode.rn_mklist;
|
|
if (rnode.rn_b < 0) {
|
|
if (rnode.rn_mask) {
|
|
printf("\t mask ");
|
|
p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
|
|
0, -1);
|
|
} else if (rm == 0)
|
|
return;
|
|
} else {
|
|
sprintf(nbuf, "(%d)", rnode.rn_b);
|
|
printf("%6.6s %8.8x : %8.8x", nbuf, rnode.rn_l, rnode.rn_r);
|
|
}
|
|
while (rm) {
|
|
kget(rm, rmask);
|
|
sprintf(nbuf, " %d refs, ", rmask.rm_refs);
|
|
printf(" mk = %8.8x {(%d),%s",
|
|
rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " ");
|
|
p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask), 0, -1);
|
|
putchar('}');
|
|
if (rm = rmask.rm_mklist)
|
|
printf(" ->");
|
|
}
|
|
putchar('\n');
|
|
}
|
|
|
|
ntreestuff()
|
|
{
|
|
int needed;
|
|
char *buf, *next, *lim;
|
|
register struct rt_msghdr *rtm;
|
|
|
|
if ((needed = getkerninfo(KINFO_RT_DUMP, 0, 0, 0)) < 0)
|
|
{ perror("route-getkerninfo-estimate"); exit(1);}
|
|
if ((buf = malloc(needed)) == 0)
|
|
{ printf("out of space\n"); exit(1);}
|
|
if (getkerninfo(KINFO_RT_DUMP, buf, &needed, 0) < 0)
|
|
{ perror("actual retrieval of routing table"); exit(1);}
|
|
lim = buf + needed;
|
|
for (next = buf; next < lim; next += rtm->rtm_msglen) {
|
|
rtm = (struct rt_msghdr *)next;
|
|
np_rtentry(rtm);
|
|
}
|
|
}
|
|
|
|
np_rtentry(rtm)
|
|
register struct rt_msghdr *rtm;
|
|
{
|
|
register struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
|
|
static int masks_done, old_af, banner_printed;
|
|
int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
|
|
|
|
#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 (af != old_af) {
|
|
printf("\nRoute Tree for Protocol Family %d:\n", af);
|
|
old_af = af;
|
|
}
|
|
if (rtm->rtm_addrs == RTA_DST)
|
|
p_sockaddr(sa, 0, 36);
|
|
else {
|
|
p_sockaddr(sa, rtm->rtm_flags, 16);
|
|
if (sa->sa_len == 0)
|
|
sa->sa_len = sizeof(long);
|
|
sa = (struct sockaddr *)(sa->sa_len + (char *)sa);
|
|
p_sockaddr(sa, 0, 18);
|
|
}
|
|
p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
|
|
putchar('\n');
|
|
}
|
|
|
|
#ifdef ISO
|
|
extern char* dl_print();
|
|
#endif
|
|
|
|
p_sockaddr(sa, flags, width)
|
|
struct sockaddr *sa;
|
|
int flags, width;
|
|
{
|
|
char format[20], workbuf[128], *cp, *cplim;
|
|
register char *cpout;
|
|
|
|
switch(sa->sa_family) {
|
|
case AF_INET:
|
|
{
|
|
register struct sockaddr_in *sin = (struct sockaddr_in *)sa;
|
|
|
|
cp = (sin->sin_addr.s_addr == 0) ? "default" :
|
|
((flags & RTF_HOST) ?
|
|
routename(sin->sin_addr) : netname(sin->sin_addr, 0L));
|
|
}
|
|
break;
|
|
|
|
#ifdef NS
|
|
case AF_NS:
|
|
cp = ns_print((struct sockaddr_ns *)sa);
|
|
break;
|
|
#endif
|
|
#ifdef ISO
|
|
case AF_ISO:
|
|
cp = iso_ntoa(&((struct sockaddr_iso *)sa)->siso_addr);
|
|
break;
|
|
|
|
case AF_LINK:
|
|
cp = dl_print((struct sockaddr_dl *)sa);
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
{
|
|
register u_short *s = ((u_short *)sa->sa_data), *slim;
|
|
|
|
slim = (u_short *) sa + ((sa->sa_len + sizeof(u_short) - 1) /
|
|
sizeof(u_short));
|
|
cp = workbuf;
|
|
cplim = cp + sizeof(workbuf) - 6;
|
|
cp += sprintf(cp, "(%d)", sa->sa_family);
|
|
while (s < slim && cp < cplim)
|
|
cp += sprintf(cp, " %x", *s++);
|
|
cp = workbuf;
|
|
}
|
|
}
|
|
if (width < 0 )
|
|
printf("%s ", cp);
|
|
else {
|
|
if (nflag)
|
|
printf("%-*s ", width, cp);
|
|
else
|
|
printf("%-*.*s ", width, width, cp);
|
|
}
|
|
}
|
|
|
|
p_flags(f, format)
|
|
register int f;
|
|
char *format;
|
|
{
|
|
char name[33], *flags;
|
|
register struct bits *p = bits;
|
|
for (flags = name; p->b_mask; p++)
|
|
if (p->b_mask & f)
|
|
*flags++ = p->b_val;
|
|
*flags = '\0';
|
|
printf(format, name);
|
|
}
|
|
|
|
|
|
#ifdef ISO
|
|
|
|
p_iso_flags(f, lli, format)
|
|
register int f;
|
|
char *format;
|
|
caddr_t lli;
|
|
{
|
|
struct llinfo_llc ls;
|
|
char name[33], *flags;
|
|
register struct bits *p = bits;
|
|
register struct bits2 *p2 = bits2;
|
|
|
|
for (flags = name; p->b_mask; p++)
|
|
if (p->b_mask & f)
|
|
*flags++ = p->b_val;
|
|
if (lli) {
|
|
kget(lli, ls);
|
|
for (; p2->b_mask; p2++)
|
|
if (p2->b_mask & ls.lc_flags)
|
|
*flags++ = p2->b_val;
|
|
}
|
|
*flags = '\0';
|
|
printf(format, name);
|
|
}
|
|
|
|
static char *hexlist = "0123456789abcdef";
|
|
|
|
char *
|
|
iso_areatoa(isoa)
|
|
const struct iso_addr *isoa;
|
|
{
|
|
static char obuf[16];
|
|
register char *out = obuf;
|
|
register int i;
|
|
/* Assumption: ISO address always with 2 byte area, 1 byte NSEL */
|
|
/* and 6 bytes ID */
|
|
register u_char *in = (u_char*)isoa->isoa_genaddr + isoa->isoa_len - 9;
|
|
u_char *inlim = in + 2;
|
|
|
|
if (isoa->isoa_len < 10) return "";
|
|
while (in < inlim) {
|
|
i = *in++;
|
|
out[1] = hexlist[i & 0xf];
|
|
i >>= 4;
|
|
out[0] = hexlist[i];
|
|
out += 2;
|
|
}
|
|
*out = 0;
|
|
return(obuf);
|
|
}
|
|
|
|
char *
|
|
iso_idtoa(isoa)
|
|
const struct iso_addr *isoa;
|
|
{
|
|
static char obuf[16];
|
|
register char *out = obuf;
|
|
register int i;
|
|
/* Assumption: ISO address always with 1 byte NSEL and 6 bytes ID */
|
|
register u_char *in = (u_char*)isoa->isoa_genaddr + isoa->isoa_len - 7;
|
|
u_char *inlim = in + 6;
|
|
|
|
if (isoa->isoa_len < 10) return "";
|
|
out[1] = 0;
|
|
while (in < inlim) {
|
|
i = *in++;
|
|
if ((inlim - in) % 2 || out == obuf)
|
|
*out++ = '.';
|
|
out[1] = hexlist[i & 0xf];
|
|
i >>= 4;
|
|
out[0] = hexlist[i];
|
|
out += 2;
|
|
}
|
|
*out = 0;
|
|
return(obuf + 1);
|
|
}
|
|
|
|
p_iso_route(rt, sa)
|
|
struct rtentry *rt;
|
|
struct sockaddr *sa;
|
|
{
|
|
struct sockaddr_iso *siso = (struct sockaddr_iso *)sa;
|
|
|
|
if (nflag) {
|
|
p_sockaddr(sa, rt->rt_flags, 50);
|
|
p_sockaddr(kgetsa(rt->rt_gateway), 0, 17);
|
|
p_iso_flags(rt->rt_flags, rt->rt_llinfo, "%-6.6s");
|
|
p_interface_nl(rt);
|
|
} else {
|
|
p_sockaddr(sa, rt->rt_flags, 12);
|
|
printf("%4.4s/%14.14s ",
|
|
iso_areatoa(&siso->siso_addr),
|
|
iso_idtoa(&siso->siso_addr));
|
|
p_sockaddr(kgetsa(rt->rt_gateway), 0, 17);
|
|
p_iso_flags(rt->rt_flags, rt->rt_llinfo, "%-6.6s ");
|
|
printf("%6d %8d", rt->rt_refcnt, rt->rt_use);
|
|
p_interface_nl(rt);
|
|
}
|
|
}
|
|
#endif /* ISO */
|
|
|
|
p_interface_nl(rt)
|
|
struct rtentry *rt;
|
|
{
|
|
struct ifnet ifnet;
|
|
char name[16];
|
|
|
|
if (rt->rt_ifp == 0) {
|
|
putchar('\n');
|
|
return;
|
|
}
|
|
kget(rt->rt_ifp, ifnet);
|
|
kvm_read((off_t)ifnet.if_name, name, 16);
|
|
printf(" %.15s%d%s", name, ifnet.if_unit,
|
|
rt->rt_nodes[0].rn_dupedkey ? " =>\n" : "\n");
|
|
}
|
|
|
|
p_rtentry(rt)
|
|
register struct rtentry *rt;
|
|
{
|
|
struct sockaddr *sa;
|
|
|
|
sa = kgetsa(rt_key(rt));
|
|
if (sa->sa_family == AF_ISO) {
|
|
p_iso_route(rt, sa);
|
|
return;
|
|
}
|
|
p_sockaddr(sa, rt->rt_flags, 16);
|
|
p_sockaddr(kgetsa(rt->rt_gateway), RTF_HOST, 18);
|
|
p_flags(rt->rt_flags, "%-6.6s ");
|
|
printf("%6d %8d ", rt->rt_refcnt, rt->rt_use);
|
|
p_interface_nl(rt);
|
|
}
|
|
|
|
p_ortentry(rt)
|
|
register struct ortentry *rt;
|
|
{
|
|
char name[16], *flags;
|
|
register struct bits *p;
|
|
register struct sockaddr_in *sin;
|
|
struct ifnet ifnet;
|
|
|
|
p_sockaddr(&rt->rt_dst, rt->rt_flags, 16);
|
|
p_sockaddr(&rt->rt_gateway, 0, 18);
|
|
p_flags(rt->rt_flags, "%-6.6s ");
|
|
printf("%6d %8d ", rt->rt_refcnt, rt->rt_use);
|
|
if (rt->rt_ifp == 0) {
|
|
putchar('\n');
|
|
return;
|
|
}
|
|
kget(rt->rt_ifp, ifnet);
|
|
kvm_read((off_t)ifnet.if_name, name, 16);
|
|
printf(" %.15s%d\n", name, ifnet.if_unit);
|
|
}
|
|
|
|
char *
|
|
routename(in)
|
|
struct in_addr in;
|
|
{
|
|
register char *cp;
|
|
static char line[MAXHOSTNAMELEN + 1];
|
|
struct hostent *hp;
|
|
static char domain[MAXHOSTNAMELEN + 1];
|
|
static int first = 1;
|
|
char *index();
|
|
|
|
if (first) {
|
|
first = 0;
|
|
if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
|
|
(cp = index(domain, '.')))
|
|
(void) strcpy(domain, cp + 1);
|
|
else
|
|
domain[0] = 0;
|
|
}
|
|
cp = 0;
|
|
if (!nflag) {
|
|
hp = gethostbyaddr((char *)&in, sizeof (struct in_addr),
|
|
AF_INET);
|
|
if (hp) {
|
|
if ((cp = index(hp->h_name, '.')) &&
|
|
!strcmp(cp + 1, domain))
|
|
*cp = 0;
|
|
cp = hp->h_name;
|
|
}
|
|
}
|
|
if (cp)
|
|
strncpy(line, cp, sizeof(line) - 1);
|
|
else {
|
|
#define C(x) ((x) & 0xff)
|
|
in.s_addr = ntohl(in.s_addr);
|
|
sprintf(line, "%u.%u.%u.%u", C(in.s_addr >> 24),
|
|
C(in.s_addr >> 16), C(in.s_addr >> 8), C(in.s_addr));
|
|
}
|
|
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.
|
|
*/
|
|
char *
|
|
netname(in, mask)
|
|
struct in_addr in;
|
|
u_long mask;
|
|
{
|
|
char *cp = 0;
|
|
static char line[MAXHOSTNAMELEN + 1];
|
|
struct netent *np = 0;
|
|
u_long net;
|
|
register i;
|
|
int subnetshift;
|
|
|
|
i = ntohl(in.s_addr);
|
|
if (!nflag && i) {
|
|
if (mask == 0) {
|
|
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 = (long)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)
|
|
strncpy(line, cp, sizeof(line) - 1);
|
|
else if ((i & 0xffffff) == 0)
|
|
sprintf(line, "%u", C(i >> 24));
|
|
else if ((i & 0xffff) == 0)
|
|
sprintf(line, "%u.%u", C(i >> 24) , C(i >> 16));
|
|
else if ((i & 0xff) == 0)
|
|
sprintf(line, "%u.%u.%u", C(i >> 24), C(i >> 16), C(i >> 8));
|
|
else
|
|
sprintf(line, "%u.%u.%u.%u", C(i >> 24),
|
|
C(i >> 16), C(i >> 8), C(i));
|
|
return (line);
|
|
}
|
|
|
|
/*
|
|
* Print routing statistics
|
|
*/
|
|
rt_stats(off)
|
|
off_t off;
|
|
{
|
|
struct rtstat rtstat;
|
|
|
|
if (off == 0) {
|
|
printf("rtstat: symbol not in namelist\n");
|
|
return;
|
|
}
|
|
kvm_read(off, (char *)&rtstat, sizeof (rtstat));
|
|
printf("routing:\n");
|
|
printf("\t%u bad routing redirect%s\n",
|
|
rtstat.rts_badredirect, plural(rtstat.rts_badredirect));
|
|
printf("\t%u dynamically created route%s\n",
|
|
rtstat.rts_dynamic, plural(rtstat.rts_dynamic));
|
|
printf("\t%u new gateway%s due to redirects\n",
|
|
rtstat.rts_newgateway, plural(rtstat.rts_newgateway));
|
|
printf("\t%u destination%s found unreachable\n",
|
|
rtstat.rts_unreach, plural(rtstat.rts_unreach));
|
|
printf("\t%u use%s of a wildcard route\n",
|
|
rtstat.rts_wildcard, plural(rtstat.rts_wildcard));
|
|
}
|
|
#ifdef NS
|
|
short ns_nullh[] = {0,0,0};
|
|
short ns_bh[] = {-1,-1,-1};
|
|
|
|
char *
|
|
ns_print(sns)
|
|
struct sockaddr_ns *sns;
|
|
{
|
|
struct ns_addr work;
|
|
union { union ns_net net_e; u_long long_e; } net;
|
|
u_short port;
|
|
static char mybuf[50], cport[10], chost[25];
|
|
char *host = "";
|
|
register char *p; register u_char *q;
|
|
|
|
work = sns->sns_addr;
|
|
port = ntohs(work.x_port);
|
|
work.x_port = 0;
|
|
net.net_e = work.x_net;
|
|
if (ns_nullhost(work) && net.long_e == 0) {
|
|
if (port ) {
|
|
sprintf(mybuf, "*.%xH", port);
|
|
upHex(mybuf);
|
|
} else
|
|
sprintf(mybuf, "*.*");
|
|
return (mybuf);
|
|
}
|
|
|
|
if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) {
|
|
host = "any";
|
|
} else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) {
|
|
host = "*";
|
|
} else {
|
|
q = work.x_host.c_host;
|
|
sprintf(chost, "%02x%02x%02x%02x%02x%02xH",
|
|
q[0], q[1], q[2], q[3], q[4], q[5]);
|
|
for (p = chost; *p == '0' && p < chost + 12; p++);
|
|
host = p;
|
|
}
|
|
if (port)
|
|
sprintf(cport, ".%xH", htons(port));
|
|
else
|
|
*cport = 0;
|
|
|
|
sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport);
|
|
upHex(mybuf);
|
|
return(mybuf);
|
|
}
|
|
|
|
char *
|
|
ns_phost(sns)
|
|
struct sockaddr_ns *sns;
|
|
{
|
|
struct sockaddr_ns work;
|
|
static union ns_net ns_zeronet;
|
|
char *p;
|
|
|
|
work = *sns;
|
|
work.sns_addr.x_port = 0;
|
|
work.sns_addr.x_net = ns_zeronet;
|
|
|
|
p = ns_print(&work);
|
|
if (strncmp("0H.", p, 3) == 0) p += 3;
|
|
return(p);
|
|
}
|
|
upHex(p0)
|
|
char *p0;
|
|
{
|
|
register char *p = p0;
|
|
for (; *p; p++) switch (*p) {
|
|
|
|
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
|
|
*p += ('A' - 'a');
|
|
}
|
|
}
|
|
#endif /* NS */
|
|
#ifdef ISO
|
|
|
|
char *
|
|
dl_print(sdl)
|
|
struct sockaddr_dl *sdl;
|
|
{
|
|
static char buf[20];
|
|
char *cp = buf, *dp;
|
|
int i;
|
|
|
|
dp = sdl->sdl_data;
|
|
for (i = 0; i < sdl->sdl_nlen; i++)
|
|
*cp++ = *dp++;
|
|
if (sdl->sdl_nlen != 0 && sdl->sdl_alen != 0)
|
|
*cp++ = ':';
|
|
for (; i < sdl->sdl_nlen + sdl->sdl_alen; i++)
|
|
cp += sprintf(cp, "%x%c", *dp++ & 0xff,
|
|
i + 1 == sdl->sdl_nlen + sdl->sdl_alen ? ' ' : '.');
|
|
*cp = 0;
|
|
return buf;
|
|
}
|
|
#endif /* ISO */
|