diff options
Diffstat (limited to 'proto/rip/rip.c')
| -rw-r--r-- | proto/rip/rip.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/proto/rip/rip.c b/proto/rip/rip.c index a2457b7..ef98a78 100644 --- a/proto/rip/rip.c +++ b/proto/rip/rip.c @@ -96,7 +96,7 @@ rip_tx( sock *s ) ipa_hton( packet->block[i].netmask ); ipa_hton( packet->block[i].nexthop ); - if (i++ == 25) { + if (i++ == ((P_CF->authtype == AT_MD5) ? PACKET_MD5_MAX : PACKET_MAX)) { FIB_ITERATE_PUT(&c->iter, z); goto break_loop; } @@ -263,8 +263,15 @@ rip_process_packet( struct proto *p, struct rip_packet *packet, int num, ip_addr switch( packet->heading.command ) { case RIPCMD_REQUEST: DBG( "Asked to send my routing table\n" ); - /* FIXME: should have configurable: ignore always, honour to neighbours, honour always. FIXME: use one global socket for these. FIXME: synchronization - if two ask me at same time */ - rip_sendto( p, whotoldme, port, NULL ); /* no broadcast */ + if (P_CF->honour == HO_NEVER) { + log( L_WARN "They asked me to send routing table, but I was told not to do it\n" ); + return 0; + } + if ((P_CF->honour == HO_NEIGHBOUR) && (!neigh_find( p, &whotoldme, 0 ))) { + log( L_WARN "They asked me to send routing table, but he is not my neighbour\n" ); + return 0; + } + rip_sendto( p, whotoldme, port, HEAD(P->interfaces) ); /* no broadcast */ break; case RIPCMD_RESPONSE: DBG( "*** Rtable from %I\n", whotoldme ); if (port != P_CF->port) { @@ -281,8 +288,6 @@ rip_process_packet( struct proto *p, struct rip_packet *packet, int num, ip_addr return 0; } - /* FIXME: Should check if it is not my own packet */ - for (i=0; i<num; i++) { struct rip_block *block = &packet->block[i]; if (block->family == 0xffff) @@ -487,7 +492,10 @@ new_iface(struct proto *p, struct iface *new, unsigned long flags, struct iface_ rif->sock->err_hook = rip_tx_err; rif->sock->daddr = IPA_NONE; rif->sock->dport = P_CF->port; - rif->sock->ttl = 1; /* FIXME: care must be taken not to send requested responses from this socket */ + if (new) + rif->sock->ttl = 1; + else + rif->sock->ttl = 30; rif->sock->tos = IP_PREC_INTERNET_CONTROL; if (flags & IF_BROADCAST) @@ -504,8 +512,8 @@ new_iface(struct proto *p, struct iface *new, unsigned long flags, struct iface_ } else if (!(rif->patt->mode & IM_NOLISTEN)) if (sk_open(rif->sock)<0) { - log( L_WARN "RIP/%s: could not listen on %s", P_NAME, rif->iface ? rif->iface->name : "(dummy)" ); - /* FIXME: Don't try to transmit into this one */ + log( L_ERR "RIP/%s: could not listen on %s", P_NAME, rif->iface ? rif->iface->name : "(dummy)" ); + /* Don't try to transmit into this one? Well, why not? This should not happen, anyway :-) */ } log( L_DEBUG "RIP/%s: listening on %s, port %d, mode %s", P_NAME, rif->iface ? rif->iface->name : "(dummy)", P_CF->port, want_multicast ? "multicast" : "broadcast" ); |