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Diffstat (limited to 'usr.bin/netstat/route.c')
-rw-r--r--usr.bin/netstat/route.c183
1 files changed, 174 insertions, 9 deletions
diff --git a/usr.bin/netstat/route.c b/usr.bin/netstat/route.c
index 0cdbdf8c7f44..e41eec67a45d 100644
--- a/usr.bin/netstat/route.c
+++ b/usr.bin/netstat/route.c
@@ -61,6 +61,7 @@ static const char rcsid[] =
#include <sys/sysctl.h>
+#include <arpa/inet.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
@@ -127,6 +128,11 @@ static void p_rtentry __P((struct rtentry *));
static u_long forgemask __P((u_long));
static void domask __P((char *, u_long, u_long));
+#ifdef INET6
+char *routename6 __P((struct sockaddr_in6 *));
+char *netname6 __P((struct sockaddr_in6 *, struct in6_addr *));
+#endif /*INET6*/
+
/*
* Print routing tables.
*/
@@ -180,6 +186,11 @@ pr_family(af)
case AF_INET:
afname = "Internet";
break;
+#ifdef INET6
+ case AF_INET6:
+ afname = "Internet6";
+ break;
+#endif /*INET6*/
case AF_IPX:
afname = "IPX";
break;
@@ -211,8 +222,13 @@ pr_family(af)
}
/* column widths; each followed by one space */
-#define WID_DST 18 /* width of destination column */
+#ifndef INET6
+#define WID_DST 18 /* width of destination column */
#define WID_GW 18 /* width of gateway column */
+#else
+#define WID_DST (lflag ? 39 : (nflag ? 33: 18)) /* width of dest column */
+#define WID_GW (lflag ? 31 : (nflag ? 29 : 18)) /* width of gateway column */
+#endif /*INET6*/
/*
* Print header for routing table columns.
@@ -222,10 +238,16 @@ pr_rthdr()
{
if (Aflag)
printf("%-8.8s ","Address");
- printf("%-*.*s %-*.*s %-6.6s %6.6s%8.8s %8.8s %6s\n",
- WID_DST, WID_DST, "Destination",
- WID_GW, WID_GW, "Gateway",
- "Flags", "Refs", "Use", "Netif", "Expire");
+ if (lflag)
+ printf("%-*.*s %-*.*s %-6.6s %6.6s%8.8s %8.8s %6s\n",
+ WID_DST, WID_DST, "Destination",
+ WID_GW, WID_GW, "Gateway",
+ "Flags", "Refs", "Use", "Netif", "Expire");
+ else
+ printf("%-*.*s %-*.*s %-6.6s %8.8s %6s\n",
+ WID_DST, WID_DST, "Destination",
+ WID_GW, WID_GW, "Gateway",
+ "Flags", "Netif", "Expire");
}
static struct sockaddr *
@@ -379,8 +401,6 @@ np_rtentry(rtm)
p_sockaddr(sa, NULL, 0, 36);
else {
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, NULL, 0, 18);
}
@@ -414,6 +434,35 @@ p_sockaddr(sa, mask, flags, width)
break;
}
+#ifdef INET6
+ case AF_INET6:
+ {
+ struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
+ struct in6_addr *in6 = &sa6->sin6_addr;
+
+ /*
+ * 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(in6) ||
+ IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
+ /* XXX: override is ok? */
+ sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)&in6->s6_addr[2]);
+ *(u_short *)&in6->s6_addr[2] = 0;
+ }
+
+ 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_IPX:
{
struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
@@ -539,14 +588,15 @@ p_rtentry(rt)
p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, WID_DST);
p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, WID_GW);
p_flags(rt->rt_flags, "%-6.6s ");
- printf("%6ld %8ld ", rt->rt_refcnt, rt->rt_use);
+ if (lflag)
+ printf("%6ld %8ld ", rt->rt_refcnt, rt->rt_use);
if (rt->rt_ifp) {
if (rt->rt_ifp != lastif) {
kget(rt->rt_ifp, ifnet);
kread((u_long)ifnet.if_name, name, 16);
lastif = rt->rt_ifp;
snprintf(prettyname, sizeof prettyname,
- "%.6s%d", name, ifnet.if_unit);
+ "%s%d", name, ifnet.if_unit);
}
printf("%8.8s", prettyname);
if (rt->rt_rmx.rmx_expire) {
@@ -556,7 +606,10 @@ p_rtentry(rt)
rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0)
printf(" %6d%s", (int)expire_time,
rt->rt_nodes[0].rn_dupedkey ? " =>" : "");
+ else
+ goto ifandkey;
} else if (rt->rt_nodes[0].rn_dupedkey) {
+ifandkey:;
printf(" =>");
}
@@ -679,6 +732,118 @@ netname(in, mask)
return (line);
}
+#ifdef INET6
+char *
+netname6(sa6, mask)
+ struct sockaddr_in6 *sa6;
+ struct in6_addr *mask;
+{
+ static char line[MAXHOSTNAMELEN + 1];
+ u_char *p = (u_char *)mask;
+ u_char *lim;
+ int masklen, illegal = 0;
+#ifdef notyet
+ int flag = NI_WITHSCOPEID;
+#endif
+
+ 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)
+ fprintf(stderr, "illegal prefixlen\n");
+ }
+ else
+ masklen = 128;
+
+ if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr))
+ return("default");
+
+#ifdef notyet
+ if (nflag)
+ flag |= NI_NUMERICHOST;
+ getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
+ NULL, 0, flag);
+#else
+ inet_ntop(AF_INET6, (void *)&sa6->sin6_addr, line, sizeof(line));
+#endif
+
+ if (nflag)
+ sprintf(&line[strlen(line)], "/%d", masklen);
+
+ return line;
+}
+
+char *
+routename6(sa6)
+ struct sockaddr_in6 *sa6;
+{
+#ifdef notyet
+ int flag = NI_WITHSCOPEID;
+
+ if (nflag)
+ flag |= NI_NUMERICHOST;
+#else
+ register char *cp;
+#endif
+ static char line[MAXHOSTNAMELEN + 1];
+ struct hostent *hp;
+
+#ifdef notyet
+ getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
+ NULL, 0, flag);
+#else
+ cp = 0;
+ if (!nflag) {
+ hp = gethostbyaddr((char *)&sa6->sin6_addr,
+ sizeof(sa6->sin6_addr), AF_INET6);
+ if (hp) {
+ cp = hp->h_name;
+ trimdomain(cp);
+ }
+ }
+ if (cp) {
+ strncpy(line, cp, sizeof(line) - 1);
+ line[sizeof(line) - 1] = '\0';
+ } else
+ inet_ntop(AF_INET6, (void *)&sa6->sin6_addr, line,
+ sizeof(line));
+#endif
+
+ return line;
+}
+#endif /*INET6*/
+
/*
* Print routing statistics
*/
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-27 01:39:53 +0000