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/*
Modifications:
1998-07-01 - Arnaldo Carvalho de Melo - GNU gettext instead of catgets,
snprintf instead of sprintf
*/
#include "config.h"
#if HAVE_AFINET6
#include <asm/types.h>
#include <asm/param.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <arpa/nameser.h>
/* #include <net/route.h> realy broken */
#include <ctype.h>
#include <errno.h>
#include <netdb.h>
#include <resolv.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#ifndef __GLIBC__
#include <netinet6/ipv6_route.h> /* glibc doesn't have this */
#endif
#include "version.h"
#include "net-support.h"
#include "pathnames.h"
#include "intl.h"
#include "net-features.h"
/* neighbour discovery from linux-2.4.0/include/net/neighbour.h */
#define NUD_INCOMPLETE 0x01
#define NUD_REACHABLE 0x02
#define NUD_STALE 0x04
#define NUD_DELAY 0x08
#define NUD_PROBE 0x10
#define NUD_FAILED 0x20
#define NUD_NOARP 0x40
#define NUD_PERMANENT 0x80
#define NUD_NONE 0x00
#define NTF_PROXY 0x08 /* == ATF_PUBL */
#define NTF_ROUTER 0x80
#define NTF_02 0x02 /* waiting for answer of Alexey -eckes */
#define NTF_04 0x04 /* waiting for answer of Alexey -eckes */
/* */
extern struct aftype inet6_aftype;
int rprint_fib6(int ext, int numeric)
{
char buff[4096], iface[16], flags[16];
char addr6[128], naddr6[128];
struct sockaddr_in6 saddr6, snaddr6;
int num, iflags, metric, refcnt, use, prefix_len, slen;
FILE *fp = fopen(_PATH_PROCNET_ROUTE6, "r");
char addr6p[8][5], saddr6p[8][5], naddr6p[8][5];
if (!fp) {
perror(_PATH_PROCNET_ROUTE6);
printf(_("INET6 (IPv6) not configured in this system.\n"));
return 1;
}
if (numeric & RTF_CACHE)
printf(_("Kernel IPv6 routing cache\n"));
else
printf(_("Kernel IPv6 routing table\n"));
printf(_("Destination "
"Next Hop "
"Flag Met Ref Use If\n"));
while (fgets(buff, 1023, fp)) {
num = sscanf(buff, "%4s%4s%4s%4s%4s%4s%4s%4s %02x %4s%4s%4s%4s%4s%4s%4s%4s %02x %4s%4s%4s%4s%4s%4s%4s%4s %08x %08x %08x %08x %s\n",
addr6p[0], addr6p[1], addr6p[2], addr6p[3],
addr6p[4], addr6p[5], addr6p[6], addr6p[7],
&prefix_len,
saddr6p[0], saddr6p[1], saddr6p[2], saddr6p[3],
saddr6p[4], saddr6p[5], saddr6p[6], saddr6p[7],
&slen,
naddr6p[0], naddr6p[1], naddr6p[2], naddr6p[3],
naddr6p[4], naddr6p[5], naddr6p[6], naddr6p[7],
&metric, &refcnt, &use, &iflags, iface);
#if 0
if (num < 23)
continue;
#endif
if (iflags & RTF_CACHE) {
if (!(numeric & RTF_CACHE))
continue;
} else {
if (numeric & RTF_CACHE)
continue;
}
/* Fetch and resolve the target address. */
snprintf(addr6, sizeof(addr6), "%s:%s:%s:%s:%s:%s:%s:%s",
addr6p[0], addr6p[1], addr6p[2], addr6p[3],
addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
inet6_aftype.input(1, addr6, (struct sockaddr *) &saddr6);
snprintf(addr6, sizeof(addr6), "%s/%d",
inet6_aftype.sprint((struct sockaddr *) &saddr6, 1),
prefix_len);
/* Fetch and resolve the nexthop address. */
snprintf(naddr6, sizeof(naddr6), "%s:%s:%s:%s:%s:%s:%s:%s",
naddr6p[0], naddr6p[1], naddr6p[2], naddr6p[3],
naddr6p[4], naddr6p[5], naddr6p[6], naddr6p[7]);
inet6_aftype.input(1, naddr6, (struct sockaddr *) &snaddr6);
snprintf(naddr6, sizeof(naddr6), "%s",
inet6_aftype.sprint((struct sockaddr *) &snaddr6, 1));
/* Decode the flags. */
flags[0]=0;
if (iflags & RTF_UP)
strcat(flags, "U");
if (iflags & RTF_REJECT)
strcat(flags, "!");
if (iflags & RTF_GATEWAY)
strcat(flags, "G");
if (iflags & RTF_HOST)
strcat(flags, "H");
if (iflags & RTF_DEFAULT)
strcat(flags, "D");
if (iflags & RTF_ADDRCONF)
strcat(flags, "A");
if (iflags & RTF_CACHE)
strcat(flags, "C");
if (iflags & RTF_ALLONLINK)
strcat(flags, "a");
if (iflags & RTF_EXPIRES)
strcat(flags, "e");
if (iflags & RTF_MODIFIED)
strcat(flags, "m");
if (iflags & RTF_NONEXTHOP)
strcat(flags, "n");
if (iflags & RTF_FLOW)
strcat(flags, "f");
/* Print the info. */
printf("%-30s %-26s %-4s %-3d %-1d%6d %s\n",
addr6, naddr6, flags, metric, refcnt, use, iface);
}
(void) fclose(fp);
return (0);
}
int rprint_cache6(int ext, int numeric)
{
char buff[4096], iface[16], flags[16];
char addr6[128], haddr[20], statestr[20];
struct sockaddr_in6 saddr6;
int type, num, refcnt, prefix_len, location, state, gc;
long tstamp, expire, ndflags, reachable, stale, delete;
FILE *fp = fopen(_PATH_PROCNET_NDISC, "r");
char addr6p[8][5], haddrp[6][3];
if (!fp) {
return rprint_fib6(ext, numeric | RTF_CACHE);
}
printf(_("Kernel IPv6 Neighbour Cache\n"));
if (ext == 2)
printf(_("Neighbour "
"HW Address "
"Iface Flags Ref State\n"));
else
printf(_("Neighbour "
"HW Address "
"Iface Flags Ref State Stale(sec) Delete(sec)\n"));
while (fgets(buff, 1023, fp)) {
num = sscanf(buff, "%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %08lx %08lx %08lx %04x %04x %04lx %8s %2s%2s%2s%2s%2s%2s\n",
addr6p[0], addr6p[1], addr6p[2], addr6p[3],
addr6p[4], addr6p[5], addr6p[6], addr6p[7],
&location, &prefix_len, &type, &state, &expire, &tstamp, &reachable, &gc, &refcnt,
&ndflags, iface,
haddrp[0], haddrp[1], haddrp[2], haddrp[3], haddrp[4], haddrp[5]);
/* Fetch and resolve the nexthop address. */
snprintf(addr6, sizeof(addr6), "%s:%s:%s:%s:%s:%s:%s:%s",
addr6p[0], addr6p[1], addr6p[2], addr6p[3],
addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
inet6_aftype.input(1, addr6, (struct sockaddr *) &saddr6);
snprintf(addr6, sizeof(addr6), "%s/%d",
inet6_aftype.sprint((struct sockaddr *) &saddr6, numeric),
prefix_len);
/* Fetch the hardware address. */
snprintf(haddr, sizeof(haddr), "%s:%s:%s:%s:%s:%s",
haddrp[0], haddrp[1], haddrp[2], haddrp[3], haddrp[4], haddrp[5]);
/* Decode the flags. */
flags[0] = '\0';
if (ndflags & NTF_ROUTER)
strcat(flags, "R");
if (ndflags & NTF_04)
strcat(flags, "x");
if (ndflags & NTF_02)
strcat(flags, "h");
if (ndflags & NTF_PROXY)
strcat(flags, "P");
/* Decode the state */
switch (state) {
case NUD_NONE:
strcpy(statestr, "NONE");
break;
case NUD_INCOMPLETE:
strcpy(statestr, "INCOMPLETE");
break;
case NUD_REACHABLE:
strcpy(statestr, "REACHABLE");
break;
case NUD_STALE:
strcpy(statestr, "STALE");
break;
case NUD_DELAY:
strcpy(statestr, "DELAY");
break;
case NUD_PROBE:
strcpy(statestr, "PROBE");
break;
case NUD_FAILED:
strcpy(statestr, "FAILED");
break;
case NUD_NOARP:
strcpy(statestr, "NOARP");
break;
case NUD_PERMANENT:
strcpy(statestr, "PERM");
break;
default:
snprintf(statestr, sizeof(statestr), "UNKNOWN(%02x)", state);
break;
}
/* Print the info. */
printf("%-43s %-17s %-8s %-5s %-3d %-16s",
addr6, haddr, iface, flags, refcnt, statestr);
stale = 0;
if (state == NUD_REACHABLE)
stale = reachable > tstamp ? reachable - tstamp : 0;
delete = gc > tstamp ? gc - tstamp : 0;
if (ext != 2) {
printf(" %-9ld ", stale / HZ);
if (refcnt)
printf(" * ");
else
printf(" %-7ld ", delete / HZ);
}
printf("\n");
}
(void) fclose(fp);
return (0);
}
int INET6_rprint(int options)
{
int ext = options & FLAG_EXT;
int numeric = options & (FLAG_NUM_HOST | FLAG_SYM);
int rc = E_INTERN;
if (options & FLAG_FIB)
if ((rc = rprint_fib6(ext, numeric)))
return (rc);
if (options & FLAG_CACHE)
if ((rc = rprint_cache6(ext, numeric)))
return (rc);
return (rc);
}
#endif /* HAVE_AFINET6 */
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