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
  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 #ifdef INET6
  64 PCAP_API struct addrinfo *pcap_nametoaddrinfo(const char *);
  65 #endif
  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