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 #include <config.h> 35 36 #include <netdissect-stdinc.h> 37 38 #include <pcap.h> 39 #include <string.h> 40 41 #include "pcap-missing.h" 42 #include "ascii_strcasecmp.h" 43 44 struct dlt_choice { 45 const char *name; 46 const char *description; 47 int dlt; 48 }; 49 50 #define DLT_CHOICE(code, description) { #code, description, code } 51 #define DLT_CHOICE_SENTINEL { NULL, NULL, 0 } 52 53 static struct dlt_choice dlt_choices[] = { 54 DLT_CHOICE(DLT_NULL, "BSD loopback"), 55 DLT_CHOICE(DLT_EN10MB, "Ethernet"), 56 DLT_CHOICE(DLT_IEEE802, "Token ring"), 57 DLT_CHOICE(DLT_ARCNET, "ARCNET"), 58 DLT_CHOICE(DLT_SLIP, "SLIP"), 59 DLT_CHOICE(DLT_PPP, "PPP"), 60 DLT_CHOICE(DLT_FDDI, "FDDI"), 61 DLT_CHOICE(DLT_ATM_RFC1483, "RFC 1483 IP-over-ATM"), 62 DLT_CHOICE(DLT_RAW, "Raw IP"), 63 #ifdef DLT_SLIP_BSDOS 64 DLT_CHOICE(DLT_SLIP_BSDOS, "BSD/OS SLIP"), 65 #endif 66 #ifdef DLT_PPP_BSDOS 67 DLT_CHOICE(DLT_PPP_BSDOS, "BSD/OS PPP"), 68 #endif 69 #ifdef DLT_ATM_CLIP 70 DLT_CHOICE(DLT_ATM_CLIP, "Linux Classical IP-over-ATM"), 71 #endif 72 #ifdef DLT_PPP_SERIAL 73 DLT_CHOICE(DLT_PPP_SERIAL, "PPP over serial"), 74 #endif 75 #ifdef DLT_PPP_ETHER 76 DLT_CHOICE(DLT_PPP_ETHER, "PPPoE"), 77 #endif 78 #ifdef DLT_C_HDLC 79 DLT_CHOICE(DLT_C_HDLC, "Cisco HDLC"), 80 #endif 81 #ifdef DLT_IEEE802_11 82 DLT_CHOICE(DLT_IEEE802_11, "802.11"), 83 #endif 84 #ifdef DLT_FRELAY 85 DLT_CHOICE(DLT_FRELAY, "Frame Relay"), 86 #endif 87 #ifdef DLT_LOOP 88 DLT_CHOICE(DLT_LOOP, "OpenBSD loopback"), 89 #endif 90 #ifdef DLT_ENC 91 DLT_CHOICE(DLT_ENC, "OpenBSD encapsulated IP"), 92 #endif 93 #ifdef DLT_LINUX_SLL 94 DLT_CHOICE(DLT_LINUX_SLL, "Linux cooked"), 95 #endif 96 #ifdef DLT_LTALK 97 DLT_CHOICE(DLT_LTALK, "Localtalk"), 98 #endif 99 #ifdef DLT_PFLOG 100 DLT_CHOICE(DLT_PFLOG, "OpenBSD pflog file"), 101 #endif 102 #ifdef DLT_PRISM_HEADER 103 DLT_CHOICE(DLT_PRISM_HEADER, "802.11 plus Prism header"), 104 #endif 105 #ifdef DLT_IP_OVER_FC 106 DLT_CHOICE(DLT_IP_OVER_FC, "RFC 2625 IP-over-Fibre Channel"), 107 #endif 108 #ifdef DLT_SUNATM 109 DLT_CHOICE(DLT_SUNATM, "Sun raw ATM"), 110 #endif 111 #ifdef DLT_IEEE802_11_RADIO 112 DLT_CHOICE(DLT_IEEE802_11_RADIO, "802.11 plus radio information header"), 113 #endif 114 #ifdef DLT_ARCNET_LINUX 115 DLT_CHOICE(DLT_ARCNET_LINUX, "Linux ARCNET"), 116 #endif 117 #ifdef DLT_LINUX_IRDA 118 DLT_CHOICE(DLT_LINUX_IRDA, "Linux IrDA"), 119 #endif 120 #ifdef DLT_CIP 121 DLT_CHOICE(DLT_CIP, "Linux Classical IP-over-ATM"), 122 #endif 123 #ifdef DLT_HDLC 124 DLT_CHOICE(DLT_HDLC, "Cisco HDLC"), 125 #endif 126 DLT_CHOICE_SENTINEL 127 }; 128 129 #ifndef HAVE_PCAP_DATALINK_NAME_TO_VAL 130 int 131 pcap_datalink_name_to_val(const char *name) 132 { 133 int i; 134 135 for (i = 0; dlt_choices[i].name != NULL; i++) { 136 if (ascii_strcasecmp(dlt_choices[i].name + sizeof("DLT_") - 1, 137 name) == 0) 138 return (dlt_choices[i].dlt); 139 } 140 return (-1); 141 } 142 143 const char * 144 pcap_datalink_val_to_name(int dlt) 145 { 146 int i; 147 148 for (i = 0; dlt_choices[i].name != NULL; i++) { 149 if (dlt_choices[i].dlt == dlt) 150 return (dlt_choices[i].name + sizeof("DLT_") - 1); 151 } 152 return (NULL); 153 } 154 #endif 155 156 const char * 157 pcap_datalink_val_to_description(int dlt) 158 { 159 int i; 160 161 for (i = 0; dlt_choices[i].name != NULL; i++) { 162 if (dlt_choices[i].dlt == dlt) 163 return (dlt_choices[i].description); 164 } 165 return (NULL); 166 } 167