/*
- * Copyright (c) 1983, 1988 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1983, 1988, 1993
+ * The Regents of the University of California. All rights reserved.
*
- * %sccs.include.redist.c%
+ * 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[] = "@(#)route.c 5.22 (Berkeley) %G%";
+static char sccsid[] = "@(#)route.c 8.6 (Berkeley) 4/28/95";
#endif /* not lint */
#include <sys/param.h>
+#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/mbuf.h>
#include <netns/ns.h>
-#include <netdb.h>
-#include <sys/kinfo.h>
+#include <sys/sysctl.h>
+#include <netdb.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
+#include "netstat.h"
-extern int nflag, aflag, Aflag, af;
-extern char *routename(), *netname(), *ns_print(), *plural();
-extern char *malloc();
-#define kget(p, d) \
- (kvm_read((off_t)(p), (char *)&(d), sizeof (d)))
+#define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
/*
* Definitions for showing gateway flags.
{ 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_REJECT, 'R' },
{ RTF_STATIC, 'S' },
+ { RTF_PROTO1, '1' },
+ { RTF_PROTO2, '2' },
{ 0 }
};
int NewTree = 0;
+static struct sockaddr *kgetsa __P((struct sockaddr *));
+static void p_tree __P((struct radix_node *));
+static void p_rtnode __P(());
+static void ntreestuff __P(());
+static void np_rtentry __P((struct rt_msghdr *));
+static void p_sockaddr __P((struct sockaddr *, struct sockaddr *, int, int));
+static void p_flags __P((int, char *));
+static void p_rtentry __P((struct rtentry *));
+
/*
* Print routing tables.
*/
+void
routepr(rtree)
- off_t rtree;
+ u_long rtree;
{
struct radix_node_head *rnh, head;
int i;
continue;
kget(rnh, head);
if (i == AF_UNSPEC) {
- if (Aflag && af == 0) {
+ if (Aflag && af == 0) {
printf("Netmasks:\n");
p_tree(head.rnh_treetop);
}
/*
* Print address family header before a section of the routing table.
*/
+void
pr_family(af)
int af;
{
/*
* Print header for routing table columns.
*/
+void
pr_rthdr()
{
"Flags", "Refs", "Use", "Interface");
}
-struct sockaddr *
+static 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);
+ kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
return (&pt_u.u_sa);
}
+static void
p_tree(rn)
struct radix_node *rn;
{
p_rtnode();
} else {
p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
- 0, 44);
+ NULL, 0, 44);
putchar('\n');
}
if (rn = rnode.rn_dupedkey)
char nbuf[20];
+static void
p_rtnode()
{
struct radix_mask *rm = rnode.rn_mklist;
if (rnode.rn_mask) {
printf("\t mask ");
p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
- 0, -1);
+ NULL, 0, -1);
} else if (rm == 0)
return;
} else {
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);
+ if (rmask.rm_flags & RNF_NORMAL) {
+ struct radix_node rnode_aux;
+ printf(" <normal>, ");
+ kget(rmask.rm_leaf, rnode_aux);
+ p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
+ NULL, 0, -1);
+ } else
+ p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
+ NULL, 0, -1);
putchar('}');
if (rm = rmask.rm_mklist)
printf(" ->");
putchar('\n');
}
+static void
ntreestuff()
{
- int needed;
+ size_t needed;
+ int mib[6];
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);}
+ mib[0] = CTL_NET;
+ mib[1] = PF_ROUTE;
+ mib[2] = 0;
+ mib[3] = 0;
+ mib[4] = NET_RT_DUMP;
+ mib[5] = 0;
+ if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
+ { perror("route-sysctl-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("getkerninfo of routing table"); exit(1);}
+ if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0)
+ { perror("sysctl of routing table"); exit(1);}
lim = buf + needed;
for (next = buf; next < lim; next += rtm->rtm_msglen) {
rtm = (struct rt_msghdr *)next;
}
}
+static void
np_rtentry(rtm)
register struct rt_msghdr *rtm;
{
register struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
- static int masks_done, old_af, banner_printed;
+#ifdef notdef
+ static int masks_done, banner_printed;
+#endif
+ static int old_af;
int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
#ifdef notdef
old_af = af;
}
if (rtm->rtm_addrs == RTA_DST)
- p_sockaddr(sa, 0, 36);
+ p_sockaddr(sa, NULL, 0, 36);
else {
- p_sockaddr(sa, rtm->rtm_flags, 16);
+ p_sockaddr(sa, NULL, 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_sockaddr(sa, NULL, 0, 18);
}
p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
putchar('\n');
}
-p_sockaddr(sa, flags, width)
- struct sockaddr *sa;
+static void
+p_sockaddr(sa, mask, flags, width)
+ struct sockaddr *sa, *mask;
int flags, width;
{
- char format[20], workbuf[128], *cplim;
+ char workbuf[128], *cplim;
register char *cp = workbuf;
switch(sa->sa_family) {
{
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));
+ if (sin->sin_addr.s_addr == INADDR_ANY)
+ cp = "default";
+ else if (flags & RTF_HOST)
+ cp = routename(sin->sin_addr.s_addr);
+ else if (mask)
+ cp = netname(sin->sin_addr.s_addr,
+ ntohl(((struct sockaddr_in *)mask)
+ ->sin_addr.s_addr));
+ else
+ cp = netname(sin->sin_addr.s_addr, 0L);
break;
}
case AF_NS:
- cp = ns_print((struct sockaddr_ns *)sa);
+ cp = ns_print(sa);
break;
case AF_LINK:
{
register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
- extern char *link_ntoa();
if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
sdl->sdl_slen == 0)
default:
{
- register u_short *s = ((u_short *)sa->sa_data), *slim;
+ register u_char *s = (u_char *)sa->sa_data, *slim;
- slim = (u_short *) sa + ((sa->sa_len + sizeof(u_short) - 1) /
- sizeof(u_short));
+ slim = sa->sa_len + (u_char *) sa;
cplim = cp + sizeof(workbuf) - 6;
cp += sprintf(cp, "(%d)", sa->sa_family);
- while (s < slim && cp < cplim)
- cp += sprintf(cp, " %x", *s++);
+ while (s < slim && cp < cplim) {
+ cp += sprintf(cp, " %02x", *s++);
+ if (s < slim)
+ cp += sprintf(cp, "%02x", *s++);
+ }
cp = workbuf;
}
}
}
}
+static void
p_flags(f, format)
register int f;
char *format;
printf(format, name);
}
+static void
p_rtentry(rt)
-register struct rtentry *rt;
+ register struct rtentry *rt;
{
- register struct sockaddr *sa;
static struct ifnet ifnet, *lastif;
static char name[16];
+ register struct sockaddr *sa;
+ struct sockaddr addr, mask;
- p_sockaddr(kgetsa(rt_key(rt)), rt->rt_flags, WID_DST);
- p_sockaddr(kgetsa(rt->rt_gateway), 0, WID_GW);
+ if (!(sa = kgetsa(rt_key(rt))))
+ bzero(&addr, sizeof addr);
+ else
+ addr = *sa;
+ if (!rt_mask(rt) || !(sa = kgetsa(rt_mask(rt))))
+ bzero(&mask, sizeof mask);
+ else
+ mask = *sa;
+ p_sockaddr(&addr, &mask, rt->rt_flags, WID_DST);
+ p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, WID_GW);
p_flags(rt->rt_flags, "%-6.6s ");
printf("%6d %8d ", rt->rt_refcnt, rt->rt_use);
if (rt->rt_ifp) {
if (rt->rt_ifp != lastif) {
kget(rt->rt_ifp, ifnet);
- kvm_read((off_t)ifnet.if_name, name, 16);
+ kread((u_long)ifnet.if_name, name, 16);
lastif = rt->rt_ifp;
}
printf(" %.15s%d%s", name, ifnet.if_unit,
char *
routename(in)
- struct in_addr in;
+ u_long 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;
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));
+ in = ntohl(in);
+ sprintf(line, "%u.%u.%u.%u",
+ C(in >> 24), C(in >> 16), C(in >> 8), C(in));
}
return (line);
}
+static u_long
+forgemask(a)
+ u_long a;
+{
+ u_long m;
+
+ if (IN_CLASSA(a))
+ m = IN_CLASSA_NET;
+ else if (IN_CLASSB(a))
+ m = IN_CLASSB_NET;
+ else
+ m = IN_CLASSC_NET;
+ return (m);
+}
+
+static void
+domask(dst, addr, mask)
+ char *dst;
+ u_long addr, mask;
+{
+ register int b, i;
+
+ if (!mask || (forgemask(addr) == mask)) {
+ *dst = '\0';
+ return;
+ }
+ i = 0;
+ for (b = 0; b < 32; b++)
+ if (mask & (1 << b)) {
+ register 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.
* 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;
+ u_long in, mask;
{
char *cp = 0;
static char line[MAXHOSTNAMELEN + 1];
struct netent *np = 0;
- u_long net;
- register i;
+ u_long net, omask;
+ register u_long i;
int subnetshift;
- i = ntohl(in.s_addr);
+ i = ntohl(in);
+ omask = mask;
if (!nflag && i) {
if (mask == 0) {
- if (IN_CLASSA(i)) {
- mask = IN_CLASSA_NET;
+ switch (mask = forgemask(i)) {
+ case IN_CLASSA_NET:
subnetshift = 8;
- } else if (IN_CLASSB(i)) {
- mask = IN_CLASSB_NET;
+ break;
+ case IN_CLASSB_NET:
subnetshift = 8;
- } else {
- mask = IN_CLASSC_NET;
+ break;
+ case IN_CLASSC_NET:
subnetshift = 4;
+ break;
+ default:
+ abort();
}
/*
* If there are more bits than the standard mask
np = getnetbyaddr(net, AF_INET);
if (np)
cp = np->n_name;
- }
+ }
if (cp)
strncpy(line, cp, sizeof(line) - 1);
else if ((i & 0xffffff) == 0)
else
sprintf(line, "%u.%u.%u.%u", C(i >> 24),
C(i >> 16), C(i >> 8), C(i));
+ domask(line+strlen(line), i, omask);
return (line);
}
/*
* Print routing statistics
*/
+void
rt_stats(off)
- off_t off;
+ u_long off;
{
struct rtstat rtstat;
printf("rtstat: symbol not in namelist\n");
return;
}
- kvm_read(off, (char *)&rtstat, sizeof (rtstat));
+ kread(off, (char *)&rtstat, sizeof (rtstat));
printf("routing:\n");
printf("\t%u bad routing redirect%s\n",
rtstat.rts_badredirect, plural(rtstat.rts_badredirect));
short ns_bh[] = {-1,-1,-1};
char *
-ns_print(sns)
-struct sockaddr_ns *sns;
+ns_print(sa)
+ register struct sockaddr *sa;
{
+ register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa;
struct ns_addr work;
union { union ns_net net_e; u_long long_e; } net;
u_short port;
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++);
+ for (p = chost; *p == '0' && p < chost + 12; p++)
+ continue;
host = p;
}
if (port)
}
char *
-ns_phost(sns)
-struct sockaddr_ns *sns;
+ns_phost(sa)
+ struct sockaddr *sa;
{
+ register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa;
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);
+ p = ns_print((struct sockaddr *)&work);
if (strncmp("0H.", p, 3) == 0) p += 3;
return(p);
}
+
+void
upHex(p0)
-char *p0;
+ char *p0;
{
register char *p = p0;
for (; *p; p++) switch (*p) {