1 /* $NetBSD: namedb.h,v 1.6 2024/09/02 15:33:39 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 #include <stdio.h> /* FILE */ 40 41 #include <pcap/funcattrs.h> 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 /* 48 * As returned by the pcap_next_etherent() 49 * XXX this stuff doesn't belong in this interface, but this 50 * library already must do name to address translation, so 51 * on systems that don't have support for /etc/ethers, we 52 * export these hooks since they're already being used by 53 * some applications (such as tcpdump) and already being 54 * marked as exported in some OSes offering libpcap (such 55 * as Debian). 56 */ 57 struct pcap_etherent { 58 u_char addr[6]; 59 char name[122]; 60 }; 61 #ifndef PCAP_ETHERS_FILE 62 #define PCAP_ETHERS_FILE "/etc/ethers" 63 #endif 64 65 PCAP_AVAILABLE_0_4 66 PCAP_API struct pcap_etherent *pcap_next_etherent(FILE *); 67 68 PCAP_AVAILABLE_0_4 69 PCAP_API u_char *pcap_ether_hostton(const char*); 70 71 PCAP_AVAILABLE_0_4 72 PCAP_API u_char *pcap_ether_aton(const char *); 73 74 PCAP_AVAILABLE_0_4 75 PCAP_API 76 PCAP_DEPRECATED("this is not reentrant; use 'pcap_nametoaddrinfo' instead") 77 bpf_u_int32 **pcap_nametoaddr(const char *); 78 79 PCAP_AVAILABLE_0_7 80 PCAP_API struct addrinfo *pcap_nametoaddrinfo(const char *); 81 82 PCAP_AVAILABLE_0_4 83 PCAP_API bpf_u_int32 pcap_nametonetaddr(const char *); 84 85 PCAP_AVAILABLE_0_4 86 PCAP_API int pcap_nametoport(const char *, int *, int *); 87 88 PCAP_AVAILABLE_0_9 89 PCAP_API int pcap_nametoportrange(const char *, int *, int *, int *); 90 91 PCAP_AVAILABLE_0_4 92 PCAP_API int pcap_nametoproto(const char *); 93 94 PCAP_AVAILABLE_0_4 95 PCAP_API int pcap_nametoeproto(const char *); 96 97 PCAP_AVAILABLE_0_9 98 PCAP_API int pcap_nametollc(const char *); 99 100 /* 101 * If a protocol is unknown, PROTO_UNDEF is returned. 102 * Also, pcap_nametoport() returns the protocol along with the port number. 103 * If there are ambiguous entries in /etc/services (i.e. domain 104 * can be either tcp or udp) PROTO_UNDEF is returned. 105 */ 106 #define PROTO_UNDEF -1 107 108 #ifdef __cplusplus 109 } 110 #endif 111 112 #endif 113