xref: /freebsd/contrib/libpcap/pcap/namedb.h (revision 5b9c547c)
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 
34 #ifndef lib_pcap_namedb_h
35 #define lib_pcap_namedb_h
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 /*
42  * As returned by the pcap_next_etherent()
43  * XXX this stuff doesn't belong in this interface, but this
44  * library already must do name to address translation, so
45  * on systems that don't have support for /etc/ethers, we
46  * export these hooks since they'll
47  */
48 struct pcap_etherent {
49 	u_char addr[6];
50 	char name[122];
51 };
52 #ifndef PCAP_ETHERS_FILE
53 #define PCAP_ETHERS_FILE "/etc/ethers"
54 #endif
55 struct	pcap_etherent *pcap_next_etherent(FILE *);
56 u_char *pcap_ether_hostton(const char*);
57 u_char *pcap_ether_aton(const char *);
58 
59 bpf_u_int32 **pcap_nametoaddr(const char *);
60 #ifdef INET6
61 struct addrinfo *pcap_nametoaddrinfo(const char *);
62 #endif
63 bpf_u_int32 pcap_nametonetaddr(const char *);
64 
65 int	pcap_nametoport(const char *, int *, int *);
66 int	pcap_nametoportrange(const char *, int *, int *, int *);
67 int	pcap_nametoproto(const char *);
68 int	pcap_nametoeproto(const char *);
69 int	pcap_nametollc(const char *);
70 /*
71  * If a protocol is unknown, PROTO_UNDEF is returned.
72  * Also, pcap_nametoport() returns the protocol along with the port number.
73  * If there are ambiguous entried in /etc/services (i.e. domain
74  * can be either tcp or udp) PROTO_UNDEF is returned.
75  */
76 #define PROTO_UNDEF		-1
77 
78 /* XXX move these to pcap-int.h? */
79 int __pcap_atodn(const char *, bpf_u_int32 *);
80 int __pcap_atoin(const char *, bpf_u_int32 *);
81 u_short	__pcap_nametodnaddr(const char *);
82 
83 #ifdef __cplusplus
84 }
85 #endif
86 
87 #endif
88