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Make RIP nolisten mode actually work. The socket is required for

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sending, the received data has to be discarded instead.

(patch by Andreas Steinmetz modified by me)
This commit is contained in:
Martin Mares 2004-05-31 17:42:38 +00:00
parent 1bd897dd33
commit 4a02013767
1 changed files with 13 additions and 11 deletions
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24
proto/rip/rip.c
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@ -457,6 +457,10 @@ rip_rx(sock *s, int size)
struct proto *p = i->proto; struct proto *p = i->proto;
int num; int num;
/* In non-listening mode, just ignore packet */
if (i->mode & IM_NOLISTEN)
return 1;
CHK_MAGIC; CHK_MAGIC;
DBG( "RIP: message came: %d bytes from %I via %s\n", size, s->faddr, i->iface ? i->iface->name : "(dummy)" ); DBG( "RIP: message came: %d bytes from %I via %s\n", size, s->faddr, i->iface ? i->iface->name : "(dummy)" );
size -= sizeof( struct rip_packet_heading ); size -= sizeof( struct rip_packet_heading );
@ -716,17 +720,15 @@ new_iface(struct proto *p, struct iface *new, unsigned long flags, struct iface_
if (!ipa_nonzero(rif->sock->daddr)) { if (!ipa_nonzero(rif->sock->daddr)) {
if (rif->iface) if (rif->iface)
log( L_WARN "%s: interface %s is too strange for me", P_NAME, rif->iface->name ); log( L_WARN "%s: interface %s is too strange for me", P_NAME, rif->iface->name );
} else } else if (sk_open(rif->sock)<0) {
if (!(rif->mode & IM_NOLISTEN)) log( L_ERR "%s: could not create socket for %s", P_NAME, rif->iface ? rif->iface->name : "(dummy)" );
if (sk_open(rif->sock)<0) { if (rif->iface) {
log( L_ERR "%s: could not listen on %s", P_NAME, rif->iface ? rif->iface->name : "(dummy)" ); rfree(rif->sock);
if (rif->iface) { mb_free(rif);
rfree(rif->sock); return NULL;
mb_free(rif); }
return NULL; /* On dummy, we just return non-working socket, so that user gets error every time anyone requests table */
} }
/* On dummy, we just return non-working socket, so that user gets error every time anyone requests table */
}
TRACE(D_EVENTS, "Listening on %s, port %d, mode %s (%I)", rif->iface ? rif->iface->name : "(dummy)", P_CF->port, rif->multicast ? "multicast" : "broadcast", rif->sock->daddr ); TRACE(D_EVENTS, "Listening on %s, port %d, mode %s (%I)", rif->iface ? rif->iface->name : "(dummy)", P_CF->port, rif->multicast ? "multicast" : "broadcast", rif->sock->daddr );