diff options
Diffstat (limited to 'src/libipsec/ip_packet.c')
-rw-r--r-- | src/libipsec/ip_packet.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/libipsec/ip_packet.c b/src/libipsec/ip_packet.c index d08e09057..ede9d100a 100644 --- a/src/libipsec/ip_packet.c +++ b/src/libipsec/ip_packet.c @@ -98,7 +98,7 @@ METHOD(ip_packet_t, get_next_header, u_int8_t, METHOD(ip_packet_t, clone, ip_packet_t*, private_ip_packet_t *this) { - return ip_packet_create(this->packet); + return ip_packet_create(chunk_clone(this->packet)); } METHOD(ip_packet_t, destroy, void, @@ -139,6 +139,9 @@ ip_packet_t *ip_packet_create(chunk_t packet) goto failed; } ip = (struct ip*)packet.ptr; + /* remove any RFC 4303 TFC extra padding */ + packet.len = min(packet.len, untoh16(&ip->ip_len)); + src = host_create_from_chunk(AF_INET, chunk_from_thing(ip->ip_src), 0); dst = host_create_from_chunk(AF_INET, @@ -157,6 +160,9 @@ ip_packet_t *ip_packet_create(chunk_t packet) goto failed; } ip = (struct ip6_hdr*)packet.ptr; + /* remove any RFC 4303 TFC extra padding */ + packet.len = min(packet.len, untoh16(&ip->ip6_plen)); + src = host_create_from_chunk(AF_INET6, chunk_from_thing(ip->ip6_src), 0); dst = host_create_from_chunk(AF_INET6, |