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1 office 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