1 /* $NetBSD: namedb.h,v 1.4 2018/09/03 15:26:44 christos 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_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're already being used by 49 * some applications (such as tcpdump) and already being 50 * marked as exported in some OSes offering libpcap (such 51 * as Debian). 52 */ 53 struct pcap_etherent { 54 u_char addr[6]; 55 char name[122]; 56 }; 57 #ifndef PCAP_ETHERS_FILE 58 #define PCAP_ETHERS_FILE "/etc/ethers" 59 #endif 60 PCAP_API struct pcap_etherent *pcap_next_etherent(FILE *); 61 PCAP_API u_char *pcap_ether_hostton(const char*); 62 PCAP_API u_char *pcap_ether_aton(const char *); 63 64 PCAP_API bpf_u_int32 **pcap_nametoaddr(const char *); 65 PCAP_API struct addrinfo *pcap_nametoaddrinfo(const char *); 66 PCAP_API bpf_u_int32 pcap_nametonetaddr(const char *); 67 68 PCAP_API int pcap_nametoport(const char *, int *, int *); 69 PCAP_API int pcap_nametoportrange(const char *, int *, int *, int *); 70 PCAP_API int pcap_nametoproto(const char *); 71 PCAP_API int pcap_nametoeproto(const char *); 72 PCAP_API 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 #ifdef __cplusplus 82 } 83 #endif 84 85 #endif 86