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[] =
  36     "@(#) $Header: /tcpdump/master/tcpdump/missing/dlnames.c,v 1.1 2002-12-19 09:27:58 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         DLT_CHOICE(DLT_SLIP_BSDOS),
  63         DLT_CHOICE(DLT_NULL),
  64 #ifdef DLT_LOOP
  65         DLT_CHOICE(DLT_LOOP),
  66 #endif
  67         DLT_CHOICE(DLT_PPP),
  68 #ifdef DLT_C_HDLC
  69         DLT_CHOICE(DLT_C_HDLC),
  70 #endif
  71 #ifdef DLT_PPP_SERIAL
  72         DLT_CHOICE(DLT_PPP_SERIAL),
  73 #endif
  74 #ifdef DLT_PPP_ETHER
  75         DLT_CHOICE(DLT_PPP_ETHER),
  76 #endif
  77         DLT_CHOICE(DLT_PPP_BSDOS),
  78         DLT_CHOICE(DLT_FDDI),
  79         DLT_CHOICE(DLT_IEEE802),
  80 #ifdef DLT_IEEE802_11
  81         DLT_CHOICE(DLT_IEEE802_11),
  82 #endif
  83 #ifdef DLT_PRISM_HEADER
  84         DLT_CHOICE(DLT_PRISM_HEADER),
  85 #endif
  86 #ifdef DLT_IEEE802_11_RADIO
  87         DLT_CHOICE(DLT_IEEE802_11_RADIO),
  88 #endif
  89         DLT_CHOICE(DLT_ATM_RFC1483),
  90 #ifdef DLT_ATM_CLIP
  91         DLT_CHOICE(DLT_ATM_CLIP),
  92 #endif
  93 #ifdef DLT_SUNATM
  94         DLT_CHOICE(DLT_SUNATM),
  95 #endif
  96         DLT_CHOICE(DLT_RAW),
  97 #ifdef DLT_LINUX_SLL
  98         DLT_CHOICE(DLT_LINUX_SLL),
  99 #endif
 100 #ifdef DLT_LTALK
 101         DLT_CHOICE(DLT_LTALK),
 102 #endif
 103 #ifdef DLT_IP_OVER_FC
 104         DLT_CHOICE(DLT_IP_OVER_FC),
 105 #endif
 106 #ifdef DLT_FRELAY
 107         DLT_CHOICE(DLT_FRELAY),
 108 #endif
 109
 110 #ifdef DLT_LANE8023
 111         DLT_CHOICE(DLT_LANE8023),
 112 #endif
 113 #ifdef DLT_CIP
 114         DLT_CHOICE(DLT_CIP),
 115 #endif
 116 #ifdef DLT_HDLC
 117         DLT_CHOICE(DLT_HDLC),
 118 #endif
 119 #ifdef DLT_PFLOG
 120         DLT_CHOICE(DLT_PFLOG),
 121 #endif
 122         DLT_CHOICE_SENTINEL
 123 };
 124
 125 int
 126 pcap_datalink_name_to_val(const char *name)
 127 {
 128         int i;
 129
 130         for (i = 0; dlt_choices[i].name != NULL; i++) {
 131                 if (strcasecmp(dlt_choices[i].name + sizeof("DLT_") - 1,
 132                     name) == 0)
 133                         return (dlt_choices[i].dlt);
 134         }
 135         return (-1);
 136 }
 137
 138 const char *
 139 pcap_datalink_val_to_name(int dlt)
 140 {
 141         int i;
 142
 143         for (i = 0; dlt_choices[i].name != NULL; i++) {
 144                 if (dlt_choices[i].dlt == dlt)
 145                         return (dlt_choices[i].name + sizeof("DLT_") - 1);
 146         }
 147         return (NULL);
 148 }