The Tcpdump Group git mirrors - tcpdump/blob - missing/dlnames.c

   1 /*
   2  * Copyright (c) 1993, 1994, 1995, 1996, 1997, 1998
   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 lint
  35 static const char rcsid[] _U_ =
  36     "@(#) $Header: /tcpdump/master/tcpdump/missing/dlnames.c,v 1.4 2003-11-16 09:36:47 guy Exp $ (LBL)";
  37 #endif
  38
  39 #ifdef HAVE_CONFIG_H
  40 #include "config.h"
  41 #endif
  42
  43 #include <tcpdump-stdinc.h>
  44
  45 #include <pcap.h>
  46 #include <string.h>
  47
  48 #include "pcap-missing.h"
  49
  50 struct dlt_choice {
  51         const char *name;
  52         int     dlt;
  53 };
  54
  55 #define DLT_CHOICE(code) { #code, code }
  56 #define DLT_CHOICE_SENTINEL { NULL, 0 }
  57
  58 static struct dlt_choice dlt_choices[] = {
  59         DLT_CHOICE(DLT_ARCNET),
  60         DLT_CHOICE(DLT_EN10MB),
  61         DLT_CHOICE(DLT_SLIP),
  62 #ifdef DLT_SLIP_BSDOS
  63         DLT_CHOICE(DLT_SLIP_BSDOS),
  64 #endif
  65         DLT_CHOICE(DLT_NULL),
  66 #ifdef DLT_LOOP
  67         DLT_CHOICE(DLT_LOOP),
  68 #endif
  69         DLT_CHOICE(DLT_PPP),
  70 #ifdef DLT_C_HDLC
  71         DLT_CHOICE(DLT_C_HDLC),
  72 #endif
  73 #ifdef DLT_PPP_SERIAL
  74         DLT_CHOICE(DLT_PPP_SERIAL),
  75 #endif
  76 #ifdef DLT_PPP_ETHER
  77         DLT_CHOICE(DLT_PPP_ETHER),
  78 #endif
  79 #ifdef DLT_PPP_BSDOS
  80         DLT_CHOICE(DLT_PPP_BSDOS),
  81 #endif
  82         DLT_CHOICE(DLT_FDDI),
  83         DLT_CHOICE(DLT_IEEE802),
  84 #ifdef DLT_IEEE802_11
  85         DLT_CHOICE(DLT_IEEE802_11),
  86 #endif
  87 #ifdef DLT_PRISM_HEADER
  88         DLT_CHOICE(DLT_PRISM_HEADER),
  89 #endif
  90 #ifdef DLT_IEEE802_11_RADIO
  91         DLT_CHOICE(DLT_IEEE802_11_RADIO),
  92 #endif
  93         DLT_CHOICE(DLT_ATM_RFC1483),
  94 #ifdef DLT_ATM_CLIP
  95         DLT_CHOICE(DLT_ATM_CLIP),
  96 #endif
  97 #ifdef DLT_SUNATM
  98         DLT_CHOICE(DLT_SUNATM),
  99 #endif
 100         DLT_CHOICE(DLT_RAW),
 101 #ifdef DLT_LINUX_SLL
 102         DLT_CHOICE(DLT_LINUX_SLL),
 103 #endif
 104 #ifdef DLT_LTALK
 105         DLT_CHOICE(DLT_LTALK),
 106 #endif
 107 #ifdef DLT_IP_OVER_FC
 108         DLT_CHOICE(DLT_IP_OVER_FC),
 109 #endif
 110 #ifdef DLT_FRELAY
 111         DLT_CHOICE(DLT_FRELAY),
 112 #endif
 113
 114 #ifdef DLT_LANE8023
 115         DLT_CHOICE(DLT_LANE8023),
 116 #endif
 117 #ifdef DLT_CIP
 118         DLT_CHOICE(DLT_CIP),
 119 #endif
 120 #ifdef DLT_HDLC
 121         DLT_CHOICE(DLT_HDLC),
 122 #endif
 123 #ifdef DLT_PFLOG
 124         DLT_CHOICE(DLT_PFLOG),
 125 #endif
 126         DLT_CHOICE_SENTINEL
 127 };
 128
 129 int
 130 pcap_datalink_name_to_val(const char *name)
 131 {
 132         int i;
 133
 134         for (i = 0; dlt_choices[i].name != NULL; i++) {
 135                 if (strcasecmp(dlt_choices[i].name + sizeof("DLT_") - 1,
 136                     name) == 0)
 137                         return (dlt_choices[i].dlt);
 138         }
 139         return (-1);
 140 }
 141
 142 const char *
 143 pcap_datalink_val_to_name(int dlt)
 144 {
 145         int i;
 146
 147         for (i = 0; dlt_choices[i].name != NULL; i++) {
 148                 if (dlt_choices[i].dlt == dlt)
 149                         return (dlt_choices[i].name + sizeof("DLT_") - 1);
 150         }
 151         return (NULL);
 152 }