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authorPatrick McHardy <kaber@trash.net>2005-07-22 12:51:38 -0700
committerDavid S. Miller <davem@davemloft.net>2005-07-22 12:51:38 -0700
commit74bb421da7f39e70ab636ad46ef85ea1178786c5 (patch)
tree11f2eba01e01f8094f57a1c16c6d454ce7b2430a /net/ipv4
parent21f930e4abdcb9649f26e5b959c14dddee4e600b (diff)
[NETFILTER]: Use correct byteorder in ICMP NAT
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/netfilter/ip_nat_proto_icmp.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv4/netfilter/ip_nat_proto_icmp.c b/net/ipv4/netfilter/ip_nat_proto_icmp.c
index a558cf0eee8..6596c9ee165 100644
--- a/net/ipv4/netfilter/ip_nat_proto_icmp.c
+++ b/net/ipv4/netfilter/ip_nat_proto_icmp.c
@@ -35,16 +35,17 @@ icmp_unique_tuple(struct ip_conntrack_tuple *tuple,
const struct ip_conntrack *conntrack)
{
static u_int16_t id;
- unsigned int range_size
- = (unsigned int)range->max.icmp.id - range->min.icmp.id + 1;
+ unsigned int range_size;
unsigned int i;
+ range_size = ntohs(range->max.icmp.id) - ntohs(range->min.icmp.id) + 1;
/* If no range specified... */
if (!(range->flags & IP_NAT_RANGE_PROTO_SPECIFIED))
range_size = 0xFFFF;
for (i = 0; i < range_size; i++, id++) {
- tuple->src.u.icmp.id = range->min.icmp.id + (id % range_size);
+ tuple->src.u.icmp.id = htons(ntohs(range->min.icmp.id) +
+ (id % range_size));
if (!ip_nat_used_tuple(tuple, conntrack))
return 1;
}