[NETFILTER]: Use correct byteorder in ICMP NAT Signed-off-by: Patrick McHardy --- commit 3ffc46afa170d4ffa61f28785bad485c3a3ce922 tree 45782dfbf13dc5700f19ce25df1e827f5f4f8993 parent b3db926712f01d98e672510bdb69b940e09880eb author Patrick McHardy Sun, 31 Jul 2005 20:28:17 +0200 committer Patrick McHardy Sun, 31 Jul 2005 20:28:17 +0200 net/ipv4/netfilter/ip_nat_proto_icmp.c | 7 ++++--- 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 --- a/net/ipv4/netfilter/ip_nat_proto_icmp.c +++ b/net/ipv4/netfilter/ip_nat_proto_icmp.c @@ -26,16 +26,17 @@ icmp_unique_tuple(struct ip_conntrack_tu const struct ip_conntrack *conntrack) { static u_int16_t id = 0; - 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; }