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're already being used by 47 * some applications (such as tcpdump) and already being 48 * marked as exported in some OSes offering libpcap (such 49 * as Debian). 50 */ 51 struct pcap_etherent { 52 u_char addr[6]; 53 char name[122]; 54 }; 55 #ifndef PCAP_ETHERS_FILE 56 #define PCAP_ETHERS_FILE "/etc/ethers" 57 #endif 58 PCAP_API struct pcap_etherent *pcap_next_etherent(FILE *); 59 PCAP_API u_char *pcap_ether_hostton(const char*); 60 PCAP_API u_char *pcap_ether_aton(const char *); 61 62 PCAP_API bpf_u_int32 **pcap_nametoaddr(const char *); 63 PCAP_API struct addrinfo *pcap_nametoaddrinfo(const char *); 64 PCAP_API bpf_u_int32 pcap_nametonetaddr(const char *); 65 66 PCAP_API int pcap_nametoport(const char *, int *, int *); 67 PCAP_API int pcap_nametoportrange(const char *, int *, int *, int *); 68 PCAP_API int pcap_nametoproto(const char *); 69 PCAP_API int pcap_nametoeproto(const char *); 70 PCAP_API int pcap_nametollc(const char *); 71 /* 72 * If a protocol is unknown, PROTO_UNDEF is returned. 73 * Also, pcap_nametoport() returns the protocol along with the port number. 74 * If there are ambiguous entried in /etc/services (i.e. domain 75 * can be either tcp or udp) PROTO_UNDEF is returned. 76 */ 77 #define PROTO_UNDEF -1 78 79 #ifdef __cplusplus 80 } 81 #endif 82 83 #endif 84