The Tcpdump Group git mirrors - libpcap/blob - pcap-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 1.8 2000-07-29 07:36:43 guy Exp $ (LBL)
  34  */
  35
  36 #ifndef lib_pcap_ethers_h
  37 #define lib_pcap_ethers_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_nametoproto(const char *);
  69 int     pcap_nametoeproto(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