libnet  latest
A Portable Framework for Low-Level Network Packet Construction
namedb.h
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  * @(#) $Header: /tcpdump/master/libpcap/pcap/namedb.h,v 1.1 2006/10/04 18:09:22 guy Exp $ (LBL)
34  */
35 
36 #ifndef lib_pcap_namedb_h
37 #define lib_pcap_namedb_h
38 
39 #ifdef __cplusplus
40 extern "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'll
49  */
50 struct pcap_etherent {
51  u_char addr[6];
52  char name[122];
53 };
54 #ifndef PCAP_ETHERS_FILE
55 #define PCAP_ETHERS_FILE "/etc/ethers"
56 #endif
57 struct pcap_etherent *pcap_next_etherent(FILE *);
58 u_char *pcap_ether_hostton(const char*);
59 u_char *pcap_ether_aton(const char *);
60 
61 bpf_u_int32 **pcap_nametoaddr(const char *);
62 #ifdef INET6
63 struct addrinfo *pcap_nametoaddrinfo(const char *);
64 #endif
65 bpf_u_int32 pcap_nametonetaddr(const char *);
66 
67 int pcap_nametoport(const char *, int *, int *);
68 int pcap_nametoportrange(const char *, int *, int *, int *);
69 int pcap_nametoproto(const char *);
70 int pcap_nametoeproto(const char *);
71 int pcap_nametollc(const char *);
72 /*
73  * If a protocol is unknown, PROTO_UNDEF is returned.
74  * Also, pcap_nametoport() returns the protocol along with the port number.
75  * If there are ambiguous entried in /etc/services (i.e. domain
76  * can be either tcp or udp) PROTO_UNDEF is returned.
77  */
78 #define PROTO_UNDEF -1
79 
80 /* XXX move these to pcap-int.h? */
81 int __pcap_atodn(const char *, bpf_u_int32 *);
82 int __pcap_atoin(const char *, bpf_u_int32 *);
83 u_short __pcap_nametodnaddr(const char *);
84 
85 #ifdef __cplusplus
86 }
87 #endif
88 
89 #endif
Definition: namedb.h:50