xref: /openbsd/lib/libpcap/pcap-namedb.h (revision 6d6dc666)
1 /*	$OpenBSD: pcap-namedb.h,v 1.8 2014/04/11 04:08:58 lteo 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_ethers_h
37 #define lib_pcap_ethers_h
38 
39 /*
40  * As returned by the pcap_next_etherent()
41  * XXX this stuff doesn't belong in this interface, but this
42  * library already must do name to address translation, so
43  * on systems that don't have support for /etc/ethers, we
44  * export these hooks since they'll
45  */
46 struct pcap_etherent {
47 	u_char addr[6];
48 	char name[122];
49 };
50 #ifndef PCAP_ETHERS_FILE
51 #define PCAP_ETHERS_FILE "/etc/ethers"
52 #endif
53 struct	pcap_etherent *pcap_next_etherent(FILE *);
54 u_char *pcap_ether_hostton(const char*);
55 u_char *pcap_ether_aton(const char *);
56 
57 bpf_u_int32 **pcap_nametoaddr(const char *);
58 #ifdef INET6
59 struct addrinfo *pcap_nametoaddrinfo(const char *);
60 #endif
61 bpf_u_int32 pcap_nametonetaddr(const char *);
62 
63 int	pcap_nametoport(const char *, int *, int *);
64 int	pcap_nametoproto(const char *);
65 int	pcap_nametoeproto(const char *);
66 int	pcap_nametollc(const char *);
67 
68 /*
69  * If a protocol is unknown, PROTO_UNDEF is returned.
70  * Also, pcap_nametoport() returns the protocol along with the port number.
71  * If there are ambiguous entried in /etc/services (i.e. domain
72  * can be either tcp or udp) PROTO_UNDEF is returned.
73  */
74 #define PROTO_UNDEF		-1
75 
76 /* XXX move these to pcap-int.h? */
77 int __pcap_atodn(const char *, bpf_u_int32 *);
78 int __pcap_atoin(const char *, bpf_u_int32 *);
79 u_short	__pcap_nametodnaddr(const char *);
80 
81 #endif
82