xref: /freebsd/contrib/libpcap/pcap-namedb.h (revision 39beb93c3f8bdbf72a61fda42300b5ebed7390c8)
1 /*
2  * Copyright (c) 1994, 1996
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the Computer Systems
16  *	Engineering Group at Lawrence Berkeley Laboratory.
17  * 4. Neither the name of the University nor of the Laboratory may be used
18  *    to endorse or promote products derived from this software without
19  *    specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * $FreeBSD$
34  * @(#) $Header: /tcpdump/master/libpcap/pcap-namedb.h,v 1.10 2005/03/17 07:02:32 guy Exp $ (LBL)
35  */
36 
37 #ifndef lib_pcap_namedb_h
38 #define lib_pcap_namedb_h
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 /*
45  * As returned by the pcap_next_etherent()
46  * XXX this stuff doesn't belong in this interface, but this
47  * library already must do name to address translation, so
48  * on systems that don't have support for /etc/ethers, we
49  * export these hooks since they'll
50  */
51 struct pcap_etherent {
52 	u_char addr[6];
53 	char name[122];
54 };
55 #ifndef PCAP_ETHERS_FILE
56 #define PCAP_ETHERS_FILE "/etc/ethers"
57 #endif
58 struct	pcap_etherent *pcap_next_etherent(FILE *);
59 u_char *pcap_ether_hostton(const char*);
60 u_char *pcap_ether_aton(const char *);
61 
62 bpf_u_int32 **pcap_nametoaddr(const char *);
63 #ifdef INET6
64 struct addrinfo *pcap_nametoaddrinfo(const char *);
65 #endif
66 bpf_u_int32 pcap_nametonetaddr(const char *);
67 
68 int	pcap_nametoport(const char *, int *, int *);
69 int	pcap_nametoportrange(const char *, int *, int *, int *);
70 int	pcap_nametoproto(const char *);
71 int	pcap_nametoeproto(const char *);
72 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 /* XXX move these to pcap-int.h? */
82 int __pcap_atodn(const char *, bpf_u_int32 *);
83 int __pcap_atoin(const char *, bpf_u_int32 *);
84 u_short	__pcap_nametodnaddr(const char *);
85 
86 #ifdef __cplusplus
87 }
88 #endif
89 
90 #endif
91