static int
proc_ipv6_route_read ()
{
FILE *fp;
char buf [RT_BUFSIZ];
/* Open /proc filesystem */
fp = fopen (_PATH_PROCNET_ROUTE6, "r");
if (fp == NULL)
{
zlog_warn ("Can't open %s : %s", _PATH_PROCNET_ROUTE6,
safe_strerror (errno));
return -1;
}
/* There is no title line, so we don't drop first line. */
while (fgets (buf, RT_BUFSIZ, fp) != NULL)
{
int n;
char dest[33], src[33], gate[33];
char iface[INTERFACE_NAMSIZ];
int dest_plen, src_plen;
int metric, use, refcnt, flags;
struct prefix_ipv6 p;
struct in6_addr gateway;
u_char zebra_flags = 0;
/* Linux 2.1.x write this information at net/ipv6/route.c
rt6_info_node () */
n = sscanf (buf, "%32s %02x %32s %02x %32s %08x %08x %08x %08x %s",
dest, &dest_plen, src, &src_plen, gate,
&metric, &use, &refcnt, &flags, iface);
if (n != 10)
{
/* zlog_warn ("can't read all of routing information %d\n%s\n", n, buf); */
continue;
}
if (! (flags & RTF_UP))
continue;
if (! (flags & RTF_GATEWAY))
continue;
if (flags & RTF_DYNAMIC)
zebra_flags |= ZEBRA_FLAG_SELFROUTE;
p.family = AF_INET6;
str2in6_addr (dest, &p.prefix);
str2in6_addr (gate, &gateway);
p.prefixlen = dest_plen;
rib_add_ipv6 (ZEBRA_ROUTE_KERNEL, zebra_flags, &p, &gateway, 0, 0,
metric, 0);
}
fclose (fp);
return 0;
}
int
ifaddr_proc_ipv6 ()
{
FILE *fp;
char buf[PROCBUFSIZ];
int n;
char addr[33];
char ifname[20];
int ifindex, plen, scope, status;
struct interface *ifp;
struct prefix_ipv6 p;
/* Open proc file system. */
fp = fopen (_PATH_PROC_NET_IF_INET6, "r");
if (fp == NULL)
{
zlog_warn ("Can't open proc file %s: %s",
_PATH_PROC_NET_IF_INET6, strerror (errno));
return -1;
}
/* Get interface's IPv6 address. */
while (fgets (buf, PROCBUFSIZ, fp) != NULL)
{
n = sscanf (buf, "%32s %02x %02x %02x %02x %20s",
addr, &ifindex, &plen, &scope, &status, ifname);
if (n != 6)
continue;
ifp = if_get_by_name (ifname);
/* Fetch interface's IPv6 address. */
str2in6_addr (addr, &p.prefix);
p.prefixlen = plen;
connected_add_ipv6 (ifp, &p.prefix, p.prefixlen, NULL);
}
return 0;
}
