nmsg 1.1.1
ipdg.h
1/*
2 * Copyright (c) 2009-2015 by Farsight Security, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef NMSG_IPDG_H
18#define NMSG_IPDG_H
19
31struct nmsg_ipdg {
32 int proto_network; /*%< PF_* value */
33 int proto_transport; /*%< transport protocol */
34 unsigned len_network; /*%< length starting from network */
35 unsigned len_transport; /*%< length starting from transport */
36 unsigned len_payload; /*%< length starting from payload */
37 const u_char *network; /*%< pointer to network header */
38 const u_char *transport; /*%< pointer to transport header */
39 const u_char *payload; /*%< pointer to application payload */
40};
41
66nmsg_res
67nmsg_ipdg_parse(struct nmsg_ipdg *dg, unsigned etype, size_t len,
68 const u_char *pkt);
69
100nmsg_res
101nmsg_ipdg_parse_pcap(struct nmsg_ipdg *dg, nmsg_pcap_t pcap,
102 struct pcap_pkthdr *pkt_hdr, const u_char *pkt);
103
116nmsg_res
117nmsg_ipdg_parse_pcap_raw(struct nmsg_ipdg *dg, int datalink, const uint8_t *pkt, size_t len);
118
119#endif /* NMSG_IPDG_H */