static char sccsid[] = "From: @(#)route.c 8.6 (Berkeley) 4/28/95";
#endif
static const char rcsid[] =
- "$Id: route.c,v 1.1.1.2 2000/01/11 01:48:53 wsanchez Exp $";
+ "$Id: route.c,v 1.4 2003/07/08 23:03:54 lindak Exp $";
#endif /* not lint */
#include <sys/param.h>
#include <net/route.h>
#include <netinet/in.h>
-
-#ifdef IPX
+#ifndef __APPLE__
#include <netipx/ipx.h>
#include <netatalk/at.h>
+#include <netgraph/ng_socket.h>
#endif
#ifdef NS
#include <sys/sysctl.h>
+#include <arpa/inet.h>
+#ifndef __APPLE__
+#include <libutil.h>
+#endif
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
+
+/* alignment constraint for routing socket */
+#define ROUNDUP(a) \
+ ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
+#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
+
/*
* Definitions for showing gateway flags.
*/
* Print routing tables.
*/
void
-routepr(rtree)
- u_long rtree;
+routepr(u_long rtree)
{
struct radix_node_head *rnh, head;
int i;
} else if (af == AF_UNSPEC || af == i) {
pr_family(i);
do_rtent = 1;
- pr_rthdr();
+ pr_rthdr(i);
p_tree(head.rnh_treetop);
}
}
* Print address family header before a section of the routing table.
*/
void
-pr_family(af)
- int af;
+pr_family(int af)
{
char *afname;
case AF_INET:
afname = "Internet";
break;
-
-#ifdef IPX
+#ifdef INET6
+ case AF_INET6:
+ afname = "Internet6";
+ break;
+#endif /*INET6*/
case AF_IPX:
afname = "IPX";
break;
-#endif
-
#ifdef NS
case AF_NS:
afname = "XNS";
break;
#endif
+#ifndef __APPLE__
case AF_ISO:
afname = "ISO";
break;
case AF_CCITT:
afname = "X.25";
break;
+ case AF_NETGRAPH:
+ afname = "Netgraph";
+ break;
+#endif
default:
afname = NULL;
break;
}
/* column widths; each followed by one space */
-#define WID_DST 18 /* width of destination column */
-#define WID_GW 18 /* width of gateway column */
+#ifndef INET6
+#define WID_DST(af) 18 /* width of destination column */
+#define WID_GW(af) 18 /* width of gateway column */
+#define WID_IF(af) 6 /* width of netif column */
+#else
+#define WID_DST(af) \
+ ((af) == AF_INET6 ? (lflag ? 39 : (nflag ? 33: 18)) : 18)
+#define WID_GW(af) \
+ ((af) == AF_INET6 ? (lflag ? 31 : (nflag ? 29 : 18)) : 18)
+#define WID_IF(af) ((af) == AF_INET6 ? 8 : 6)
+#endif /*INET6*/
/*
* Print header for routing table columns.
*/
void
-pr_rthdr()
+pr_rthdr(int af)
{
+
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 (af == AF_INET || lflag)
+ if (lflag)
+ printf("%-*.*s %-*.*s %-6.6s %6.6s %8.8s %6.6s %*.*s %6s\n",
+ WID_DST(af), WID_DST(af), "Destination",
+ WID_GW(af), WID_GW(af), "Gateway",
+ "Flags", "Refs", "Use", "Mtu",
+ WID_IF(af), WID_IF(af), "Netif", "Expire");
+ else
+ printf("%-*.*s %-*.*s %-6.6s %6.6s %8.8s %*.*s %6s\n",
+ WID_DST(af), WID_DST(af), "Destination",
+ WID_GW(af), WID_GW(af), "Gateway",
+ "Flags", "Refs", "Use",
+ WID_IF(af), WID_IF(af), "Netif", "Expire");
+ else
+ printf("%-*.*s %-*.*s %-6.6s %8.8s %6s\n",
+ WID_DST(af), WID_DST(af), "Destination",
+ WID_GW(af), WID_GW(af), "Gateway",
+ "Flags", "Netif", "Expire");
}
static struct sockaddr *
-kgetsa(dst)
- register struct sockaddr *dst;
+kgetsa(struct sockaddr *dst)
{
kget(dst, pt_u.u_sa);
}
static void
-p_tree(rn)
- struct radix_node *rn;
+p_tree(struct radix_node *rn)
{
again:
kget(rn, rnode);
- if (rnode.rn_b < 0) {
+ if (rnode.rn_bit < 0) {
if (Aflag)
printf("%-8.8lx ", (u_long)rn);
if (rnode.rn_flags & RNF_ROOT) {
printf("%-8.8lx ", (u_long)rn);
p_rtnode();
}
- rn = rnode.rn_r;
- p_tree(rnode.rn_l);
+ rn = rnode.rn_right;
+ p_tree(rnode.rn_left);
p_tree(rn);
}
}
char nbuf[20];
static void
-p_rtnode()
+p_rtnode(void)
{
struct radix_mask *rm = rnode.rn_mklist;
- if (rnode.rn_b < 0) {
+ if (rnode.rn_bit < 0) {
if (rnode.rn_mask) {
printf("\t mask ");
p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
} else if (rm == 0)
return;
} else {
- sprintf(nbuf, "(%d)", rnode.rn_b);
- printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_l, (u_long)rnode.rn_r);
+ sprintf(nbuf, "(%d)", rnode.rn_bit);
+ printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right);
}
while (rm) {
kget(rm, rmask);
sprintf(nbuf, " %d refs, ", rmask.rm_refs);
printf(" mk = %8.8lx {(%d),%s",
- (u_long)rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " ");
+ (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " ");
if (rmask.rm_flags & RNF_NORMAL) {
struct radix_node rnode_aux;
printf(" <normal>, ");
}
static void
-ntreestuff()
+ntreestuff(void)
{
size_t needed;
int mib[6];
}
static void
-np_rtentry(rtm)
- register struct rt_msghdr *rtm;
+np_rtentry(struct rt_msghdr *rtm)
{
register struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
#ifdef notdef
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);
+ sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
p_sockaddr(sa, NULL, 0, 18);
}
p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
}
static void
-p_sockaddr(sa, mask, flags, width)
- struct sockaddr *sa, *mask;
- int flags, width;
+p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
{
char workbuf[128], *cplim;
register char *cp = workbuf;
{
register struct sockaddr_in *sin = (struct sockaddr_in *)sa;
- if (sin->sin_addr.s_addr == INADDR_ANY)
- cp = "default";
+ if ((sin->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(sin->sin_addr.s_addr);
else if (mask)
cp = netname(sin->sin_addr.s_addr, 0L);
break;
}
-#ifdef IPX
+
+#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*/
+#ifndef __APPLE__
case AF_IPX:
{
struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
cp = ipx_print(sa);
break;
}
-#endif
-
-#if 0
case AF_APPLETALK:
{
if (!(flags & RTF_HOST) && mask)
cp = atalk_print(sa,11);
break;
}
+ case AF_NETGRAPH:
+ {
+ printf("%s", ((struct sockaddr_ng *)sa)->sg_data);
+ break;
+ }
#endif
-
#ifdef NS
case AF_NS:
cp = ns_print(sa);
}
static void
-p_flags(f, format)
- register int f;
- char *format;
+p_flags(int f, char *format)
{
char name[33], *flags;
register struct bits *p = bits;
}
static void
-p_rtentry(rt)
- register struct rtentry *rt;
+p_rtentry(struct rtentry *rt)
{
static struct ifnet ifnet, *lastif;
+ struct rtentry parent;
static char name[16];
static char prettyname[9];
struct sockaddr *sa;
/*
* Don't print protocol-cloned routes unless -a.
*/
- if (rt->rt_parent && !aflag)
- return;
+ if (rt->rt_flags & RTF_WASCLONED && !aflag) {
+ kget(rt->rt_parent, parent);
+ if (parent.rt_flags & RTF_PRCLONING)
+ return;
+ }
bzero(&addr, sizeof(addr));
if ((sa = kgetsa(rt_key(rt))))
bzero(&mask, sizeof(mask));
if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
bcopy(sa, &mask, sa->sa_len);
- 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_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags,
+ WID_DST(addr.u_sa.sa_family));
+ p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST,
+ WID_GW(addr.u_sa.sa_family));
p_flags(rt->rt_flags, "%-6.6s ");
- printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use);
+ if (addr.u_sa.sa_family == AF_INET || lflag) {
+ printf("%6ld %8ld ", rt->rt_refcnt, rt->rt_use);
+ if (lflag) {
+ if (rt->rt_rmx.rmx_mtu != 0)
+ printf("%6lu ", rt->rt_rmx.rmx_mtu);
+ else
+ printf("%6s ", "");
+ }
+ }
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);
+ printf("%*.*s", WID_IF(addr.u_sa.sa_family),
+ WID_IF(addr.u_sa.sa_family), prettyname);
if (rt->rt_rmx.rmx_expire) {
time_t expire_time;
if ((expire_time =
rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0)
- printf(" %6d%s", (int)expire_time,
- rt->rt_nodes[0].rn_dupedkey ? " =>" : "");
- } else if (rt->rt_nodes[0].rn_dupedkey) {
- printf(" =>");
+ printf(" %6d", (int)expire_time);
}
-
+ if (rt->rt_nodes[0].rn_dupedkey)
+ printf(" =>");
}
putchar('\n');
}
char *
-routename(in)
- u_long in;
+routename(u_long in)
{
register char *cp;
- static char line[MAXHOSTNAMELEN + 1];
+ static char line[MAXHOSTNAMELEN];
struct hostent *hp;
cp = 0;
AF_INET);
if (hp) {
cp = hp->h_name;
- trimdomain(cp);
+ //### trimdomain(cp, strlen(cp));
}
}
if (cp) {
}
static u_long
-forgemask(a)
- u_long a;
+forgemask(u_long a)
{
u_long m;
}
static void
-domask(dst, addr, mask)
- char *dst;
- u_long addr, mask;
+domask(char *dst, u_long addr, u_long mask)
{
register int b, i;
* The address is assumed to be that of a net or subnet, not a host.
*/
char *
-netname(in, mask)
- u_long in, mask;
+netname(u_long in, u_long mask)
{
char *cp = 0;
- static char line[MAXHOSTNAMELEN + 1];
+ static char line[MAXHOSTNAMELEN];
struct netent *np = 0;
u_long net, omask, dmask;
register u_long i;
i = ntohl(in);
+ dmask = forgemask(i);
omask = mask;
if (!nflag && i) {
- dmask = forgemask(i);
net = i & dmask;
if (!(np = getnetbyaddr(i, AF_INET)) && net != i)
np = getnetbyaddr(net, AF_INET);
if (np) {
cp = np->n_name;
- trimdomain(cp);
+ //### trimdomain(cp, strlen(cp));
}
}
if (cp)
strncpy(line, cp, sizeof(line) - 1);
- else if ((i & 0xffffff) == 0)
- sprintf(line, "%lu", C(i >> 24));
- else if ((i & 0xffff) == 0)
- sprintf(line, "%lu.%lu", C(i >> 24) , C(i >> 16));
- else if ((i & 0xff) == 0)
- sprintf(line, "%lu.%lu.%lu", C(i >> 24), C(i >> 16), C(i >> 8));
- else
- sprintf(line, "%lu.%lu.%lu.%lu", C(i >> 24),
- C(i >> 16), C(i >> 8), C(i));
+ else {
+ switch (dmask) {
+ case IN_CLASSA_NET:
+ if ((i & IN_CLASSA_HOST) == 0) {
+ sprintf(line, "%lu", C(i >> 24));
+ break;
+ }
+ /* FALLTHROUGH */
+ case IN_CLASSB_NET:
+ if ((i & IN_CLASSB_HOST) == 0) {
+ sprintf(line, "%lu.%lu",
+ C(i >> 24), C(i >> 16));
+ break;
+ }
+ /* FALLTHROUGH */
+ case IN_CLASSC_NET:
+ if ((i & IN_CLASSC_HOST) == 0) {
+ sprintf(line, "%lu.%lu.%lu",
+ C(i >> 24), C(i >> 16), C(i >> 8));
+ break;
+ }
+ /* FALLTHROUGH */
+ default:
+ sprintf(line, "%lu.%lu.%lu.%lu",
+ C(i >> 24), C(i >> 16), C(i >> 8), C(i));
+ break;
+ }
+ }
domask(line+strlen(line), i, omask);
return (line);
}
+#ifdef INET6
+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 = NI_WITHSCOPEID;
+
+ 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");
+
+ if (nflag)
+ flag |= NI_NUMERICHOST;
+ getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
+ NULL, 0, flag);
+
+ if (nflag)
+ sprintf(&line[strlen(line)], "/%d", masklen);
+
+ return line;
+}
+
+char *
+routename6(struct sockaddr_in6 *sa6)
+{
+ static char line[MAXHOSTNAMELEN];
+ int flag = NI_WITHSCOPEID;
+ /* use local variable for safety */
+ struct sockaddr_in6 sa6_local = {sizeof(sa6_local), AF_INET6, };
+
+ sa6_local.sin6_addr = sa6->sin6_addr;
+ sa6_local.sin6_scope_id = sa6->sin6_scope_id;
+
+ if (nflag)
+ 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(off)
- u_long off;
+rt_stats(u_long rtsaddr, u_long rttaddr)
{
struct rtstat rtstat;
+ int rttrash;
- if (off == 0) {
+ if (rtsaddr == 0) {
printf("rtstat: symbol not in namelist\n");
return;
}
- kread(off, (char *)&rtstat, sizeof (rtstat));
+ if (rttaddr == 0) {
+ printf("rttrash: symbol not in namelist\n");
+ return;
+ }
+ kread(rtsaddr, (char *)&rtstat, sizeof (rtstat));
+ kread(rttaddr, (char *)&rttrash, sizeof (rttrash));
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 IPX
+#define p(f, m) if (rtstat.f || sflag <= 1) \
+ printf(m, rtstat.f, plural(rtstat.f))
+
+ p(rts_badredirect, "\t%u bad routing redirect%s\n");
+ p(rts_dynamic, "\t%u dynamically created route%s\n");
+ p(rts_newgateway, "\t%u new gateway%s due to redirects\n");
+ p(rts_unreach, "\t%u destination%s found unreachable\n");
+ p(rts_wildcard, "\t%u use%s of a wildcard route\n");
+#undef p
+ if (rttrash || sflag <= 1)
+ printf("\t%u route%s not in table but not freed\n",
+ rttrash, plural(rttrash));
+}
+#ifndef __APPLE__
char *
-ipx_print(sa)
- register struct sockaddr *sa;
+ipx_print(struct sockaddr *sa)
{
u_short port;
struct servent *sp = 0;
}
char *
-ipx_phost(sa)
- struct sockaddr *sa;
+ipx_phost(struct sockaddr *sa)
{
register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
struct sockaddr_ipx work;
return(p);
}
#endif
-
#ifdef NS
short ns_nullh[] = {0,0,0};
short ns_bh[] = {-1,-1,-1};
char *
-ns_print(sa)
- register struct sockaddr *sa;
+ns_print(struct sockaddr *sa)
{
register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa;
struct ns_addr work;
}
char *
-ns_phost(sa)
- struct sockaddr *sa;
+ns_phost(struct sockaddr *sa)
{
register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa;
struct sockaddr_ns work;
#endif
void
-upHex(p0)
- char *p0;
+upHex(char *p0)
{
register char *p = p0;