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-rw-r--r--proto/rip/rip.c19
-rw-r--r--proto/rip/rip.h2
2 files changed, 13 insertions, 8 deletions
diff --git a/proto/rip/rip.c b/proto/rip/rip.c
index 084ea99..4c88cc8 100644
--- a/proto/rip/rip.c
+++ b/proto/rip/rip.c
@@ -75,8 +75,8 @@ rip_tx_err( sock *s, int err )
log( L_ERR "Unexpected error at rip transmit: %m" );
}
-static void
-rip_tx_prepare(struct proto *p, ip_addr daddr, struct rip_block *b, struct rip_entry *e, struct rip_interface *rif )
+static int
+rip_tx_prepare(struct proto *p, ip_addr daddr, struct rip_block *b, struct rip_entry *e, struct rip_interface *rif, int pos )
{
DBG( "." );
b->family = htons( 2 ); /* AF_INET */
@@ -100,6 +100,8 @@ rip_tx_prepare(struct proto *p, ip_addr daddr, struct rip_block *b, struct rip_e
b->metric = htonl( P_CF->infinity );
}
ipa_hton( b->network );
+
+ return pos+1;
}
static void
@@ -110,6 +112,7 @@ rip_tx( sock *s )
struct proto *p = c->proto;
struct rip_packet *packet = (void *) s->tbuf;
int i, packetlen;
+ int maxi, nullupdate = 1;
DBG( "Sending to %I\n", s->daddr );
do {
@@ -124,13 +127,15 @@ rip_tx( sock *s )
packet->heading.unused = 0;
i = !!P_CF->authtype;
+ maxi = ((P_CF->authtype == AT_MD5) ? PACKET_MD5_MAX : PACKET_MAX);
+
FIB_ITERATE_START(&P->rtable, &c->iter, z) {
struct rip_entry *e = (struct rip_entry *) z;
if (!rif->triggered || (!(e->updated < now-5))) {
-
- rip_tx_prepare( p, s->daddr, packet->block + i, e, rif );
- if (i++ == ((P_CF->authtype == AT_MD5) ? PACKET_MD5_MAX : PACKET_MAX)) {
+ nullupdate = 0;
+ i = rip_tx_prepare( p, s->daddr, packet->block + i, e, rif, i );
+ if (i >= maxi) {
FIB_ITERATE_PUT(&c->iter, z);
goto break_loop;
}
@@ -143,7 +148,7 @@ rip_tx( sock *s )
packetlen = rip_outgoing_authentication(p, (void *) &packet->block[0], packet, i);
DBG( ", sending %d blocks, ", i );
- if (i == !!P_CF->authtype) {
+ if (nullupdate) {
DBG( "not sending NULL update\n" );
c->done = 1;
goto done;
@@ -389,7 +394,7 @@ rip_rx(sock *s, int size)
if (size < 0) BAD( "Too small packet" );
if (size % sizeof( struct rip_block )) BAD( "Odd sized packet" );
num = size / sizeof( struct rip_block );
- if (num>25) BAD( "Too many blocks" );
+ if (num>PACKET_MAX) BAD( "Too many blocks" );
rip_process_packet( p, (struct rip_packet *) s->rbuf, num, s->faddr, s->fport );
return 1;
diff --git a/proto/rip/rip.h b/proto/rip/rip.h
index 96c5646..90f9beb 100644
--- a/proto/rip/rip.h
+++ b/proto/rip/rip.h
@@ -92,7 +92,7 @@ struct rip_entry {
struct rip_packet {
struct rip_packet_heading heading;
- struct rip_block block[25];
+ struct rip_block block[PACKET_MAX];
};
struct rip_interface {