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| author | Roy Marples <roy@marples.name> | 2013-05-30 12:07:25 +0000 |
|---|---|---|
| committer | Roy Marples <roy@marples.name> | 2013-05-30 12:07:25 +0000 |
| commit | 0e906716c515061199e4d24a2503daa853a48862 (patch) | |
| tree | 3486923ad8f1e1326042b5c7ec5b4d070779380e /ipv6rs.c | |
| parent | 078c99e5e49e2560efe5d82bedb81b504dad1371 (diff) | |
| download | dhcpcd-0e906716c515061199e4d24a2503daa853a48862.tar.xz | |
It's possible to receive an RA for an interface that has not yet
obtained a local link address to send an RS.
If this happens, we should process the RA.
Diffstat (limited to 'ipv6rs.c')
| -rw-r--r-- | ipv6rs.c | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -232,7 +232,7 @@ ipv6rs_sendprobe(void *arg) struct in6_pktinfo pi; int hoplimit = HOPLIMIT; - if (!ipv6_interfacehaslinklocal(ifp)) { + if (ipv6_linklocal(ifp) == NULL) { syslog(LOG_DEBUG, "%s: delaying Router Soliciation for LL address", ifp->name); @@ -596,6 +596,16 @@ ipv6rs_handledata(__unused void *arg) #endif return; } + + /* We could recieve a RA before we sent a RS*/ + if (ipv6_linklocal(ifp) == NULL) { +#ifdef DEBUG_RS + syslog(LOG_DEBUG, "%s: received RA from %s (no link-local)", + ifp->name, sfrom); +#endif + return; + } + TAILQ_FOREACH(rap, &ipv6_routers, next) { if (ifp == rap->iface && memcmp(rap->from.s6_addr, from.sin6_addr.s6_addr, |