1/* $NetBSD: namedb.h,v 1.4 2018/09/03 15:26:44 christos Exp $ */
2
3/*
4 * Copyright (c) 1994, 1996
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the Computer Systems
18 * Engineering Group at Lawrence Berkeley Laboratory.
19 * 4. Neither the name of the University nor of the Laboratory may be used
20 * to endorse or promote products derived from this software without
21 * specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#ifndef lib_pcap_namedb_h
37#define lib_pcap_namedb_h
38
39#ifdef __cplusplus
40extern "C" {
41#endif
42
43/*
44 * As returned by the pcap_next_etherent()
45 * XXX this stuff doesn't belong in this interface, but this
46 * library already must do name to address translation, so
47 * on systems that don't have support for /etc/ethers, we
48 * export these hooks since they're already being used by
49 * some applications (such as tcpdump) and already being
50 * marked as exported in some OSes offering libpcap (such
51 * as Debian).
52 */
53struct pcap_etherent {
54 u_char addr[6];
55 char name[122];
56};
57#ifndef PCAP_ETHERS_FILE
58#define PCAP_ETHERS_FILE "/etc/ethers"
59#endif
60PCAP_API struct pcap_etherent *pcap_next_etherent(FILE *);
61PCAP_API u_char *pcap_ether_hostton(const char*);
62PCAP_API u_char *pcap_ether_aton(const char *);
63
64PCAP_API bpf_u_int32 **pcap_nametoaddr(const char *);
65PCAP_API struct addrinfo *pcap_nametoaddrinfo(const char *);
66PCAP_API bpf_u_int32 pcap_nametonetaddr(const char *);
67
68PCAP_API int pcap_nametoport(const char *, int *, int *);
69PCAP_API int pcap_nametoportrange(const char *, int *, int *, int *);
70PCAP_API int pcap_nametoproto(const char *);
71PCAP_API int pcap_nametoeproto(const char *);
72PCAP_API int pcap_nametollc(const char *);
73/*
74 * If a protocol is unknown, PROTO_UNDEF is returned.
75 * Also, pcap_nametoport() returns the protocol along with the port number.
76 * If there are ambiguous entried in /etc/services (i.e. domain
77 * can be either tcp or udp) PROTO_UNDEF is returned.
78 */
79#define PROTO_UNDEF -1
80
81#ifdef __cplusplus
82}
83#endif
84
85#endif
86