diff options
Diffstat (limited to 'proto/rip/rip.c')
| -rw-r--r-- | proto/rip/rip.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/proto/rip/rip.c b/proto/rip/rip.c index a1c73bc8..7f0efeb2 100644 --- a/proto/rip/rip.c +++ b/proto/rip/rip.c @@ -9,6 +9,7 @@ FIXME: IpV6 support: use right address for broadcasts FIXME: IpV6 support: receive "route using" blocks FIXME: be able to transmit "route using" blocks [Is this possible?] + 6 FIXMEs in code */ #define LOCAL_DEBUG @@ -93,7 +94,16 @@ rip_tx( sock *s ) #ifndef IPV6 packet->block[i].netmask = ipa_mkmask( e->n.pxlen ); ipa_hton( packet->block[i].netmask ); - packet->block[i].nexthop = IPA_NONE; /* FIXME: does it make sense to set this to not-me in some cases? */ + packet->block[i].nexthop = IPA_NONE; + { + neighbor *n1, *n2; + n1 = neigh_find( p, &s->daddr, 0 ); + n2 = neigh_find( p, &e->nexthop, 0 ); + if (n1->iface == n2->iface) + packet->block[i].nexthop = e->nexthop; + else + packet->block[i].nexthop = IPA_NONE; + } ipa_hton( packet->block[i].nexthop ); #else packet->block[i].pxlen = e->n.pxlen; @@ -101,7 +111,6 @@ rip_tx( sock *s ) packet->block[i].metric = htonl( e->metric ); if (ipa_equal(e->whotoldme, s->daddr)) { DBG( "(split horizont)" ); - /* FIXME: should we do it in all cases? */ packet->block[i].metric = P_CF->infinity; } ipa_hton( packet->block[i].network ); @@ -249,7 +258,6 @@ advertise_entry( struct proto *p, struct rip_block *b, ip_addr whotoldme ) static void process_block( struct proto *p, struct rip_block *block, ip_addr whotoldme ) { - struct rip_entry *e; int metric = ntohl( block->metric ); ip_addr network = block->network; @@ -270,7 +278,7 @@ static int rip_process_packet( struct proto *p, struct rip_packet *packet, int num, ip_addr whotoldme, int port ) { int i; - int native_class = 0; + int native_class = 0, authenticated = 0; switch( packet->heading.version ) { case RIP_V1: DBG( "Rip1: " ); break; @@ -315,8 +323,10 @@ rip_process_packet( struct proto *p, struct rip_packet *packet, int num, ip_addr if (!i) { if (rip_incoming_authentication(p, (void *) block, packet, num)) BAD( "Authentication failed" ); + authenticated = 1; } - /* FIXME: Need to reject packets which have no authentication */ + if ((!authenticated) && (P_CF->authtype != AT_NONE)) + BAD( "Packet is not authenticated and it should be" ); ipa_ntoh( block->network ); #ifndef IPV6 ipa_ntoh( block->netmask ); |