1 | #include <machine/rtems-bsd-user-space.h> |
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2 | |
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3 | /* NetBSD: print-juniper.c,v 1.2 2007/07/24 11:53:45 drochner Exp */ |
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4 | |
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5 | /* |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that: (1) source code |
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8 | * distributions retain the above copyright notice and this paragraph |
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9 | * in its entirety, and (2) distributions including binary code include |
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10 | * the above copyright notice and this paragraph in its entirety in |
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11 | * the documentation or other materials provided with the distribution. |
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12 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND |
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13 | * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT |
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14 | * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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15 | * FOR A PARTICULAR PURPOSE. |
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16 | * |
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17 | * Original code by Hannes Gredler (hannes@juniper.net) |
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18 | */ |
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19 | |
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20 | #ifndef lint |
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21 | static const char rcsid[] _U_ = |
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22 | "@(#) $Header: /tcpdump/master/tcpdump/print-juniper.c,v 1.34 2007-08-29 02:31:44 mcr Exp $ (LBL)"; |
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23 | #else |
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24 | __RCSID("NetBSD: print-juniper.c,v 1.3 2007/07/25 06:31:32 dogcow Exp "); |
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25 | #endif |
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26 | |
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27 | #ifdef HAVE_CONFIG_H |
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28 | #include "config.h" |
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29 | #endif |
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30 | |
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31 | #include <tcpdump-stdinc.h> |
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32 | |
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33 | #include <pcap.h> |
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34 | #include <stdio.h> |
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35 | |
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36 | #include "interface.h" |
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37 | #include "addrtoname.h" |
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38 | #include "extract.h" |
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39 | #include "ppp.h" |
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40 | #include "llc.h" |
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41 | #include "nlpid.h" |
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42 | #include "ethertype.h" |
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43 | #include "atm.h" |
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44 | |
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45 | #define JUNIPER_BPF_OUT 0 /* Outgoing packet */ |
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46 | #define JUNIPER_BPF_IN 1 /* Incoming packet */ |
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47 | #define JUNIPER_BPF_PKT_IN 0x1 /* Incoming packet */ |
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48 | #define JUNIPER_BPF_NO_L2 0x2 /* L2 header stripped */ |
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49 | #define JUNIPER_BPF_IIF 0x4 /* IIF is valid */ |
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50 | #define JUNIPER_BPF_FILTER 0x40 /* BPF filtering is supported */ |
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51 | #define JUNIPER_BPF_EXT 0x80 /* extensions present */ |
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52 | #define JUNIPER_MGC_NUMBER 0x4d4743 /* = "MGC" */ |
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53 | |
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54 | #define JUNIPER_LSQ_COOKIE_RE (1 << 3) |
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55 | #define JUNIPER_LSQ_COOKIE_DIR (1 << 2) |
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56 | #define JUNIPER_LSQ_L3_PROTO_SHIFT 4 |
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57 | #define JUNIPER_LSQ_L3_PROTO_MASK (0x17 << JUNIPER_LSQ_L3_PROTO_SHIFT) |
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58 | #define JUNIPER_LSQ_L3_PROTO_IPV4 (0 << JUNIPER_LSQ_L3_PROTO_SHIFT) |
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59 | #define JUNIPER_LSQ_L3_PROTO_IPV6 (1 << JUNIPER_LSQ_L3_PROTO_SHIFT) |
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60 | #define JUNIPER_LSQ_L3_PROTO_MPLS (2 << JUNIPER_LSQ_L3_PROTO_SHIFT) |
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61 | #define JUNIPER_LSQ_L3_PROTO_ISO (3 << JUNIPER_LSQ_L3_PROTO_SHIFT) |
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62 | #define AS_PIC_COOKIE_LEN 8 |
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63 | |
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64 | #define JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE 1 |
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65 | #define JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE 2 |
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66 | #define JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE 3 |
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67 | #define JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE 4 |
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68 | #define JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE 5 |
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69 | |
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70 | static struct tok juniper_ipsec_type_values[] = { |
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71 | { JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE, "ESP ENCR-AUTH" }, |
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72 | { JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE, "ESP ENCR-AH AUTH" }, |
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73 | { JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE, "ESP AUTH" }, |
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74 | { JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE, "AH AUTH" }, |
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75 | { JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE, "ESP ENCR" }, |
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76 | { 0, NULL} |
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77 | }; |
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78 | |
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79 | static struct tok juniper_direction_values[] = { |
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80 | { JUNIPER_BPF_IN, "In"}, |
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81 | { JUNIPER_BPF_OUT, "Out"}, |
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82 | { 0, NULL} |
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83 | }; |
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84 | |
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85 | /* codepoints for encoding extensions to a .pcap file */ |
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86 | enum { |
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87 | JUNIPER_EXT_TLV_IFD_IDX = 1, |
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88 | JUNIPER_EXT_TLV_IFD_NAME = 2, |
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89 | JUNIPER_EXT_TLV_IFD_MEDIATYPE = 3, |
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90 | JUNIPER_EXT_TLV_IFL_IDX = 4, |
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91 | JUNIPER_EXT_TLV_IFL_UNIT = 5, |
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92 | JUNIPER_EXT_TLV_IFL_ENCAPS = 6, |
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93 | JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE = 7, |
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94 | JUNIPER_EXT_TLV_TTP_IFL_ENCAPS = 8 |
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95 | }; |
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96 | |
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97 | /* 1 byte type and 1-byte length */ |
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98 | #define JUNIPER_EXT_TLV_OVERHEAD 2 |
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99 | |
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100 | struct tok jnx_ext_tlv_values[] = { |
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101 | { JUNIPER_EXT_TLV_IFD_IDX, "Device Interface Index" }, |
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102 | { JUNIPER_EXT_TLV_IFD_NAME,"Device Interface Name" }, |
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103 | { JUNIPER_EXT_TLV_IFD_MEDIATYPE, "Device Media Type" }, |
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104 | { JUNIPER_EXT_TLV_IFL_IDX, "Logical Interface Index" }, |
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105 | { JUNIPER_EXT_TLV_IFL_UNIT,"Logical Unit Number" }, |
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106 | { JUNIPER_EXT_TLV_IFL_ENCAPS, "Logical Interface Encapsulation" }, |
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107 | { JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE, "TTP derived Device Media Type" }, |
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108 | { JUNIPER_EXT_TLV_TTP_IFL_ENCAPS, "TTP derived Logical Interface Encapsulation" }, |
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109 | { 0, NULL } |
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110 | }; |
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111 | |
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112 | struct tok jnx_flag_values[] = { |
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113 | { JUNIPER_BPF_EXT, "Ext" }, |
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114 | { JUNIPER_BPF_FILTER, "Filter" }, |
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115 | { JUNIPER_BPF_IIF, "IIF" }, |
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116 | { JUNIPER_BPF_NO_L2, "no-L2" }, |
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117 | { JUNIPER_BPF_PKT_IN, "In" }, |
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118 | { 0, NULL } |
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119 | }; |
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120 | |
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121 | #define JUNIPER_IFML_ETHER 1 |
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122 | #define JUNIPER_IFML_FDDI 2 |
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123 | #define JUNIPER_IFML_TOKENRING 3 |
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124 | #define JUNIPER_IFML_PPP 4 |
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125 | #define JUNIPER_IFML_FRAMERELAY 5 |
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126 | #define JUNIPER_IFML_CISCOHDLC 6 |
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127 | #define JUNIPER_IFML_SMDSDXI 7 |
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128 | #define JUNIPER_IFML_ATMPVC 8 |
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129 | #define JUNIPER_IFML_PPP_CCC 9 |
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130 | #define JUNIPER_IFML_FRAMERELAY_CCC 10 |
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131 | #define JUNIPER_IFML_IPIP 11 |
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132 | #define JUNIPER_IFML_GRE 12 |
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133 | #define JUNIPER_IFML_PIM 13 |
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134 | #define JUNIPER_IFML_PIMD 14 |
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135 | #define JUNIPER_IFML_CISCOHDLC_CCC 15 |
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136 | #define JUNIPER_IFML_VLAN_CCC 16 |
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137 | #define JUNIPER_IFML_MLPPP 17 |
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138 | #define JUNIPER_IFML_MLFR 18 |
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139 | #define JUNIPER_IFML_ML 19 |
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140 | #define JUNIPER_IFML_LSI 20 |
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141 | #define JUNIPER_IFML_DFE 21 |
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142 | #define JUNIPER_IFML_ATM_CELLRELAY_CCC 22 |
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143 | #define JUNIPER_IFML_CRYPTO 23 |
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144 | #define JUNIPER_IFML_GGSN 24 |
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145 | #define JUNIPER_IFML_LSI_PPP 25 |
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146 | #define JUNIPER_IFML_LSI_CISCOHDLC 26 |
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147 | #define JUNIPER_IFML_PPP_TCC 27 |
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148 | #define JUNIPER_IFML_FRAMERELAY_TCC 28 |
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149 | #define JUNIPER_IFML_CISCOHDLC_TCC 29 |
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150 | #define JUNIPER_IFML_ETHERNET_CCC 30 |
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151 | #define JUNIPER_IFML_VT 31 |
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152 | #define JUNIPER_IFML_EXTENDED_VLAN_CCC 32 |
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153 | #define JUNIPER_IFML_ETHER_OVER_ATM 33 |
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154 | #define JUNIPER_IFML_MONITOR 34 |
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155 | #define JUNIPER_IFML_ETHERNET_TCC 35 |
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156 | #define JUNIPER_IFML_VLAN_TCC 36 |
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157 | #define JUNIPER_IFML_EXTENDED_VLAN_TCC 37 |
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158 | #define JUNIPER_IFML_CONTROLLER 38 |
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159 | #define JUNIPER_IFML_MFR 39 |
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160 | #define JUNIPER_IFML_LS 40 |
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161 | #define JUNIPER_IFML_ETHERNET_VPLS 41 |
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162 | #define JUNIPER_IFML_ETHERNET_VLAN_VPLS 42 |
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163 | #define JUNIPER_IFML_ETHERNET_EXTENDED_VLAN_VPLS 43 |
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164 | #define JUNIPER_IFML_LT 44 |
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165 | #define JUNIPER_IFML_SERVICES 45 |
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166 | #define JUNIPER_IFML_ETHER_VPLS_OVER_ATM 46 |
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167 | #define JUNIPER_IFML_FR_PORT_CCC 47 |
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168 | #define JUNIPER_IFML_FRAMERELAY_EXT_CCC 48 |
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169 | #define JUNIPER_IFML_FRAMERELAY_EXT_TCC 49 |
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170 | #define JUNIPER_IFML_FRAMERELAY_FLEX 50 |
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171 | #define JUNIPER_IFML_GGSNI 51 |
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172 | #define JUNIPER_IFML_ETHERNET_FLEX 52 |
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173 | #define JUNIPER_IFML_COLLECTOR 53 |
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174 | #define JUNIPER_IFML_AGGREGATOR 54 |
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175 | #define JUNIPER_IFML_LAPD 55 |
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176 | #define JUNIPER_IFML_PPPOE 56 |
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177 | #define JUNIPER_IFML_PPP_SUBORDINATE 57 |
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178 | #define JUNIPER_IFML_CISCOHDLC_SUBORDINATE 58 |
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179 | #define JUNIPER_IFML_DFC 59 |
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180 | #define JUNIPER_IFML_PICPEER 60 |
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181 | |
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182 | struct tok juniper_ifmt_values[] = { |
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183 | { JUNIPER_IFML_ETHER, "Ethernet" }, |
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184 | { JUNIPER_IFML_FDDI, "FDDI" }, |
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185 | { JUNIPER_IFML_TOKENRING, "Token-Ring" }, |
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186 | { JUNIPER_IFML_PPP, "PPP" }, |
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187 | { JUNIPER_IFML_PPP_SUBORDINATE, "PPP-Subordinate" }, |
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188 | { JUNIPER_IFML_FRAMERELAY, "Frame-Relay" }, |
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189 | { JUNIPER_IFML_CISCOHDLC, "Cisco-HDLC" }, |
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190 | { JUNIPER_IFML_SMDSDXI, "SMDS-DXI" }, |
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191 | { JUNIPER_IFML_ATMPVC, "ATM-PVC" }, |
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192 | { JUNIPER_IFML_PPP_CCC, "PPP-CCC" }, |
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193 | { JUNIPER_IFML_FRAMERELAY_CCC, "Frame-Relay-CCC" }, |
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194 | { JUNIPER_IFML_FRAMERELAY_EXT_CCC, "Extended FR-CCC" }, |
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195 | { JUNIPER_IFML_IPIP, "IP-over-IP" }, |
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196 | { JUNIPER_IFML_GRE, "GRE" }, |
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197 | { JUNIPER_IFML_PIM, "PIM-Encapsulator" }, |
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198 | { JUNIPER_IFML_PIMD, "PIM-Decapsulator" }, |
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199 | { JUNIPER_IFML_CISCOHDLC_CCC, "Cisco-HDLC-CCC" }, |
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200 | { JUNIPER_IFML_VLAN_CCC, "VLAN-CCC" }, |
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201 | { JUNIPER_IFML_EXTENDED_VLAN_CCC, "Extended-VLAN-CCC" }, |
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202 | { JUNIPER_IFML_MLPPP, "Multilink-PPP" }, |
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203 | { JUNIPER_IFML_MLFR, "Multilink-FR" }, |
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204 | { JUNIPER_IFML_MFR, "Multilink-FR-UNI-NNI" }, |
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205 | { JUNIPER_IFML_ML, "Multilink" }, |
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206 | { JUNIPER_IFML_LS, "LinkService" }, |
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207 | { JUNIPER_IFML_LSI, "LSI" }, |
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208 | { JUNIPER_IFML_ATM_CELLRELAY_CCC, "ATM-CCC-Cell-Relay" }, |
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209 | { JUNIPER_IFML_CRYPTO, "IPSEC-over-IP" }, |
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210 | { JUNIPER_IFML_GGSN, "GGSN" }, |
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211 | { JUNIPER_IFML_PPP_TCC, "PPP-TCC" }, |
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212 | { JUNIPER_IFML_FRAMERELAY_TCC, "Frame-Relay-TCC" }, |
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213 | { JUNIPER_IFML_FRAMERELAY_EXT_TCC, "Extended FR-TCC" }, |
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214 | { JUNIPER_IFML_CISCOHDLC_TCC, "Cisco-HDLC-TCC" }, |
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215 | { JUNIPER_IFML_ETHERNET_CCC, "Ethernet-CCC" }, |
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216 | { JUNIPER_IFML_VT, "VPN-Loopback-tunnel" }, |
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217 | { JUNIPER_IFML_ETHER_OVER_ATM, "Ethernet-over-ATM" }, |
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218 | { JUNIPER_IFML_ETHER_VPLS_OVER_ATM, "Ethernet-VPLS-over-ATM" }, |
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219 | { JUNIPER_IFML_MONITOR, "Monitor" }, |
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220 | { JUNIPER_IFML_ETHERNET_TCC, "Ethernet-TCC" }, |
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221 | { JUNIPER_IFML_VLAN_TCC, "VLAN-TCC" }, |
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222 | { JUNIPER_IFML_EXTENDED_VLAN_TCC, "Extended-VLAN-TCC" }, |
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223 | { JUNIPER_IFML_CONTROLLER, "Controller" }, |
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224 | { JUNIPER_IFML_ETHERNET_VPLS, "VPLS" }, |
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225 | { JUNIPER_IFML_ETHERNET_VLAN_VPLS, "VLAN-VPLS" }, |
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226 | { JUNIPER_IFML_ETHERNET_EXTENDED_VLAN_VPLS, "Extended-VLAN-VPLS" }, |
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227 | { JUNIPER_IFML_LT, "Logical-tunnel" }, |
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228 | { JUNIPER_IFML_SERVICES, "General-Services" }, |
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229 | { JUNIPER_IFML_PPPOE, "PPPoE" }, |
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230 | { JUNIPER_IFML_ETHERNET_FLEX, "Flexible-Ethernet-Services" }, |
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231 | { JUNIPER_IFML_FRAMERELAY_FLEX, "Flexible-FrameRelay" }, |
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232 | { JUNIPER_IFML_COLLECTOR, "Flow-collection" }, |
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233 | { JUNIPER_IFML_PICPEER, "PIC Peer" }, |
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234 | { JUNIPER_IFML_DFC, "Dynamic-Flow-Capture" }, |
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235 | {0, NULL} |
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236 | }; |
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237 | |
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238 | #define JUNIPER_IFLE_ATM_SNAP 2 |
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239 | #define JUNIPER_IFLE_ATM_NLPID 3 |
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240 | #define JUNIPER_IFLE_ATM_VCMUX 4 |
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241 | #define JUNIPER_IFLE_ATM_LLC 5 |
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242 | #define JUNIPER_IFLE_ATM_PPP_VCMUX 6 |
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243 | #define JUNIPER_IFLE_ATM_PPP_LLC 7 |
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244 | #define JUNIPER_IFLE_ATM_PPP_FUNI 8 |
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245 | #define JUNIPER_IFLE_ATM_CCC 9 |
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246 | #define JUNIPER_IFLE_FR_NLPID 10 |
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247 | #define JUNIPER_IFLE_FR_SNAP 11 |
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248 | #define JUNIPER_IFLE_FR_PPP 12 |
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249 | #define JUNIPER_IFLE_FR_CCC 13 |
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250 | #define JUNIPER_IFLE_ENET2 14 |
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251 | #define JUNIPER_IFLE_IEEE8023_SNAP 15 |
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252 | #define JUNIPER_IFLE_IEEE8023_LLC 16 |
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253 | #define JUNIPER_IFLE_PPP 17 |
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254 | #define JUNIPER_IFLE_CISCOHDLC 18 |
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255 | #define JUNIPER_IFLE_PPP_CCC 19 |
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256 | #define JUNIPER_IFLE_IPIP_NULL 20 |
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257 | #define JUNIPER_IFLE_PIM_NULL 21 |
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258 | #define JUNIPER_IFLE_GRE_NULL 22 |
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259 | #define JUNIPER_IFLE_GRE_PPP 23 |
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260 | #define JUNIPER_IFLE_PIMD_DECAPS 24 |
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261 | #define JUNIPER_IFLE_CISCOHDLC_CCC 25 |
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262 | #define JUNIPER_IFLE_ATM_CISCO_NLPID 26 |
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263 | #define JUNIPER_IFLE_VLAN_CCC 27 |
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264 | #define JUNIPER_IFLE_MLPPP 28 |
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265 | #define JUNIPER_IFLE_MLFR 29 |
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266 | #define JUNIPER_IFLE_LSI_NULL 30 |
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267 | #define JUNIPER_IFLE_AGGREGATE_UNUSED 31 |
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268 | #define JUNIPER_IFLE_ATM_CELLRELAY_CCC 32 |
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269 | #define JUNIPER_IFLE_CRYPTO 33 |
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270 | #define JUNIPER_IFLE_GGSN 34 |
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271 | #define JUNIPER_IFLE_ATM_TCC 35 |
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272 | #define JUNIPER_IFLE_FR_TCC 36 |
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273 | #define JUNIPER_IFLE_PPP_TCC 37 |
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274 | #define JUNIPER_IFLE_CISCOHDLC_TCC 38 |
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275 | #define JUNIPER_IFLE_ETHERNET_CCC 39 |
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276 | #define JUNIPER_IFLE_VT 40 |
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277 | #define JUNIPER_IFLE_ATM_EOA_LLC 41 |
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278 | #define JUNIPER_IFLE_EXTENDED_VLAN_CCC 42 |
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279 | #define JUNIPER_IFLE_ATM_SNAP_TCC 43 |
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280 | #define JUNIPER_IFLE_MONITOR 44 |
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281 | #define JUNIPER_IFLE_ETHERNET_TCC 45 |
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282 | #define JUNIPER_IFLE_VLAN_TCC 46 |
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283 | #define JUNIPER_IFLE_EXTENDED_VLAN_TCC 47 |
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284 | #define JUNIPER_IFLE_MFR 48 |
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285 | #define JUNIPER_IFLE_ETHERNET_VPLS 49 |
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286 | #define JUNIPER_IFLE_ETHERNET_VLAN_VPLS 50 |
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287 | #define JUNIPER_IFLE_ETHERNET_EXTENDED_VLAN_VPLS 51 |
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288 | #define JUNIPER_IFLE_SERVICES 52 |
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289 | #define JUNIPER_IFLE_ATM_ETHER_VPLS_ATM_LLC 53 |
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290 | #define JUNIPER_IFLE_FR_PORT_CCC 54 |
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291 | #define JUNIPER_IFLE_ATM_MLPPP_LLC 55 |
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292 | #define JUNIPER_IFLE_ATM_EOA_CCC 56 |
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293 | #define JUNIPER_IFLE_LT_VLAN 57 |
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294 | #define JUNIPER_IFLE_COLLECTOR 58 |
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295 | #define JUNIPER_IFLE_AGGREGATOR 59 |
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296 | #define JUNIPER_IFLE_LAPD 60 |
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297 | #define JUNIPER_IFLE_ATM_PPPOE_LLC 61 |
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298 | #define JUNIPER_IFLE_ETHERNET_PPPOE 62 |
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299 | #define JUNIPER_IFLE_PPPOE 63 |
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300 | #define JUNIPER_IFLE_PPP_SUBORDINATE 64 |
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301 | #define JUNIPER_IFLE_CISCOHDLC_SUBORDINATE 65 |
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302 | #define JUNIPER_IFLE_DFC 66 |
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303 | #define JUNIPER_IFLE_PICPEER 67 |
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304 | |
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305 | struct tok juniper_ifle_values[] = { |
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306 | { JUNIPER_IFLE_AGGREGATOR, "Aggregator" }, |
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307 | { JUNIPER_IFLE_ATM_CCC, "CCC over ATM" }, |
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308 | { JUNIPER_IFLE_ATM_CELLRELAY_CCC, "ATM CCC Cell Relay" }, |
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309 | { JUNIPER_IFLE_ATM_CISCO_NLPID, "CISCO compatible NLPID" }, |
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310 | { JUNIPER_IFLE_ATM_EOA_CCC, "Ethernet over ATM CCC" }, |
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311 | { JUNIPER_IFLE_ATM_EOA_LLC, "Ethernet over ATM LLC" }, |
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312 | { JUNIPER_IFLE_ATM_ETHER_VPLS_ATM_LLC, "Ethernet VPLS over ATM LLC" }, |
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313 | { JUNIPER_IFLE_ATM_LLC, "ATM LLC" }, |
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314 | { JUNIPER_IFLE_ATM_MLPPP_LLC, "MLPPP over ATM LLC" }, |
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315 | { JUNIPER_IFLE_ATM_NLPID, "ATM NLPID" }, |
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316 | { JUNIPER_IFLE_ATM_PPPOE_LLC, "PPPoE over ATM LLC" }, |
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317 | { JUNIPER_IFLE_ATM_PPP_FUNI, "PPP over FUNI" }, |
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318 | { JUNIPER_IFLE_ATM_PPP_LLC, "PPP over ATM LLC" }, |
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319 | { JUNIPER_IFLE_ATM_PPP_VCMUX, "PPP over ATM VCMUX" }, |
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320 | { JUNIPER_IFLE_ATM_SNAP, "ATM SNAP" }, |
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321 | { JUNIPER_IFLE_ATM_SNAP_TCC, "ATM SNAP TCC" }, |
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322 | { JUNIPER_IFLE_ATM_TCC, "ATM VCMUX TCC" }, |
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323 | { JUNIPER_IFLE_ATM_VCMUX, "ATM VCMUX" }, |
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324 | { JUNIPER_IFLE_CISCOHDLC, "C-HDLC" }, |
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325 | { JUNIPER_IFLE_CISCOHDLC_CCC, "C-HDLC CCC" }, |
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326 | { JUNIPER_IFLE_CISCOHDLC_SUBORDINATE, "C-HDLC via dialer" }, |
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327 | { JUNIPER_IFLE_CISCOHDLC_TCC, "C-HDLC TCC" }, |
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328 | { JUNIPER_IFLE_COLLECTOR, "Collector" }, |
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329 | { JUNIPER_IFLE_CRYPTO, "Crypto" }, |
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330 | { JUNIPER_IFLE_ENET2, "Ethernet" }, |
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331 | { JUNIPER_IFLE_ETHERNET_CCC, "Ethernet CCC" }, |
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332 | { JUNIPER_IFLE_ETHERNET_EXTENDED_VLAN_VPLS, "Extended VLAN VPLS" }, |
---|
333 | { JUNIPER_IFLE_ETHERNET_PPPOE, "PPPoE over Ethernet" }, |
---|
334 | { JUNIPER_IFLE_ETHERNET_TCC, "Ethernet TCC" }, |
---|
335 | { JUNIPER_IFLE_ETHERNET_VLAN_VPLS, "VLAN VPLS" }, |
---|
336 | { JUNIPER_IFLE_ETHERNET_VPLS, "VPLS" }, |
---|
337 | { JUNIPER_IFLE_EXTENDED_VLAN_CCC, "Extended VLAN CCC" }, |
---|
338 | { JUNIPER_IFLE_EXTENDED_VLAN_TCC, "Extended VLAN TCC" }, |
---|
339 | { JUNIPER_IFLE_FR_CCC, "FR CCC" }, |
---|
340 | { JUNIPER_IFLE_FR_NLPID, "FR NLPID" }, |
---|
341 | { JUNIPER_IFLE_FR_PORT_CCC, "FR CCC" }, |
---|
342 | { JUNIPER_IFLE_FR_PPP, "FR PPP" }, |
---|
343 | { JUNIPER_IFLE_FR_SNAP, "FR SNAP" }, |
---|
344 | { JUNIPER_IFLE_FR_TCC, "FR TCC" }, |
---|
345 | { JUNIPER_IFLE_GGSN, "GGSN" }, |
---|
346 | { JUNIPER_IFLE_GRE_NULL, "GRE NULL" }, |
---|
347 | { JUNIPER_IFLE_GRE_PPP, "PPP over GRE" }, |
---|
348 | { JUNIPER_IFLE_IPIP_NULL, "IPIP" }, |
---|
349 | { JUNIPER_IFLE_LAPD, "LAPD" }, |
---|
350 | { JUNIPER_IFLE_LSI_NULL, "LSI Null" }, |
---|
351 | { JUNIPER_IFLE_LT_VLAN, "LT VLAN" }, |
---|
352 | { JUNIPER_IFLE_MFR, "MFR" }, |
---|
353 | { JUNIPER_IFLE_MLFR, "MLFR" }, |
---|
354 | { JUNIPER_IFLE_MLPPP, "MLPPP" }, |
---|
355 | { JUNIPER_IFLE_MONITOR, "Monitor" }, |
---|
356 | { JUNIPER_IFLE_PIMD_DECAPS, "PIMd" }, |
---|
357 | { JUNIPER_IFLE_PIM_NULL, "PIM Null" }, |
---|
358 | { JUNIPER_IFLE_PPP, "PPP" }, |
---|
359 | { JUNIPER_IFLE_PPPOE, "PPPoE" }, |
---|
360 | { JUNIPER_IFLE_PPP_CCC, "PPP CCC" }, |
---|
361 | { JUNIPER_IFLE_PPP_SUBORDINATE, "" }, |
---|
362 | { JUNIPER_IFLE_PPP_TCC, "PPP TCC" }, |
---|
363 | { JUNIPER_IFLE_SERVICES, "General Services" }, |
---|
364 | { JUNIPER_IFLE_VLAN_CCC, "VLAN CCC" }, |
---|
365 | { JUNIPER_IFLE_VLAN_TCC, "VLAN TCC" }, |
---|
366 | { JUNIPER_IFLE_VT, "VT" }, |
---|
367 | {0, NULL} |
---|
368 | }; |
---|
369 | |
---|
370 | struct juniper_cookie_table_t { |
---|
371 | u_int32_t pictype; /* pic type */ |
---|
372 | u_int8_t cookie_len; /* cookie len */ |
---|
373 | const char *s; /* pic name */ |
---|
374 | }; |
---|
375 | |
---|
376 | static struct juniper_cookie_table_t juniper_cookie_table[] = { |
---|
377 | #ifdef DLT_JUNIPER_ATM1 |
---|
378 | { DLT_JUNIPER_ATM1, 4, "ATM1"}, |
---|
379 | #endif |
---|
380 | #ifdef DLT_JUNIPER_ATM2 |
---|
381 | { DLT_JUNIPER_ATM2, 8, "ATM2"}, |
---|
382 | #endif |
---|
383 | #ifdef DLT_JUNIPER_MLPPP |
---|
384 | { DLT_JUNIPER_MLPPP, 2, "MLPPP"}, |
---|
385 | #endif |
---|
386 | #ifdef DLT_JUNIPER_MLFR |
---|
387 | { DLT_JUNIPER_MLFR, 2, "MLFR"}, |
---|
388 | #endif |
---|
389 | #ifdef DLT_JUNIPER_MFR |
---|
390 | { DLT_JUNIPER_MFR, 4, "MFR"}, |
---|
391 | #endif |
---|
392 | #ifdef DLT_JUNIPER_PPPOE |
---|
393 | { DLT_JUNIPER_PPPOE, 0, "PPPoE"}, |
---|
394 | #endif |
---|
395 | #ifdef DLT_JUNIPER_PPPOE_ATM |
---|
396 | { DLT_JUNIPER_PPPOE_ATM, 0, "PPPoE ATM"}, |
---|
397 | #endif |
---|
398 | #ifdef DLT_JUNIPER_GGSN |
---|
399 | { DLT_JUNIPER_GGSN, 8, "GGSN"}, |
---|
400 | #endif |
---|
401 | #ifdef DLT_JUNIPER_MONITOR |
---|
402 | { DLT_JUNIPER_MONITOR, 8, "MONITOR"}, |
---|
403 | #endif |
---|
404 | #ifdef DLT_JUNIPER_SERVICES |
---|
405 | { DLT_JUNIPER_SERVICES, 8, "AS"}, |
---|
406 | #endif |
---|
407 | #ifdef DLT_JUNIPER_ES |
---|
408 | { DLT_JUNIPER_ES, 0, "ES"}, |
---|
409 | #endif |
---|
410 | { 0, 0, NULL } |
---|
411 | }; |
---|
412 | |
---|
413 | struct juniper_l2info_t { |
---|
414 | u_int32_t length; |
---|
415 | u_int32_t caplen; |
---|
416 | u_int32_t pictype; |
---|
417 | u_int8_t direction; |
---|
418 | u_int8_t header_len; |
---|
419 | u_int8_t cookie_len; |
---|
420 | u_int8_t cookie_type; |
---|
421 | u_int8_t cookie[8]; |
---|
422 | u_int8_t bundle; |
---|
423 | u_int16_t proto; |
---|
424 | u_int8_t flags; |
---|
425 | }; |
---|
426 | |
---|
427 | #define LS_COOKIE_ID 0x54 |
---|
428 | #define AS_COOKIE_ID 0x47 |
---|
429 | #define LS_MLFR_COOKIE_LEN 4 |
---|
430 | #define ML_MLFR_COOKIE_LEN 2 |
---|
431 | #define LS_MFR_COOKIE_LEN 6 |
---|
432 | #define ATM1_COOKIE_LEN 4 |
---|
433 | #define ATM2_COOKIE_LEN 8 |
---|
434 | |
---|
435 | #define ATM2_PKT_TYPE_MASK 0x70 |
---|
436 | #define ATM2_GAP_COUNT_MASK 0x3F |
---|
437 | |
---|
438 | #define JUNIPER_PROTO_NULL 1 |
---|
439 | #define JUNIPER_PROTO_IPV4 2 |
---|
440 | #define JUNIPER_PROTO_IPV6 6 |
---|
441 | |
---|
442 | #define MFR_BE_MASK 0xc0 |
---|
443 | |
---|
444 | static struct tok juniper_protocol_values[] = { |
---|
445 | { JUNIPER_PROTO_NULL, "Null" }, |
---|
446 | { JUNIPER_PROTO_IPV4, "IPv4" }, |
---|
447 | { JUNIPER_PROTO_IPV6, "IPv6" }, |
---|
448 | { 0, NULL} |
---|
449 | }; |
---|
450 | |
---|
451 | int ip_heuristic_guess(register const u_char *, u_int); |
---|
452 | int juniper_ppp_heuristic_guess(register const u_char *, u_int); |
---|
453 | int juniper_read_tlv_value(const u_char *, u_int, u_int); |
---|
454 | static int juniper_parse_header (const u_char *, const struct pcap_pkthdr *, struct juniper_l2info_t *); |
---|
455 | |
---|
456 | #ifdef DLT_JUNIPER_GGSN |
---|
457 | u_int |
---|
458 | juniper_ggsn_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
459 | { |
---|
460 | struct juniper_l2info_t l2info; |
---|
461 | struct juniper_ggsn_header { |
---|
462 | u_int8_t svc_id; |
---|
463 | u_int8_t flags_len; |
---|
464 | u_int8_t proto; |
---|
465 | u_int8_t flags; |
---|
466 | u_int8_t vlan_id[2]; |
---|
467 | u_int8_t res[2]; |
---|
468 | }; |
---|
469 | const struct juniper_ggsn_header *gh; |
---|
470 | |
---|
471 | l2info.pictype = DLT_JUNIPER_GGSN; |
---|
472 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
473 | return l2info.header_len; |
---|
474 | |
---|
475 | p+=l2info.header_len; |
---|
476 | gh = (struct juniper_ggsn_header *)&l2info.cookie; |
---|
477 | |
---|
478 | if (eflag) { |
---|
479 | printf("proto %s (%u), vlan %u: ", |
---|
480 | tok2str(juniper_protocol_values,"Unknown",gh->proto), |
---|
481 | gh->proto, |
---|
482 | EXTRACT_16BITS(&gh->vlan_id[0])); |
---|
483 | } |
---|
484 | |
---|
485 | switch (gh->proto) { |
---|
486 | case JUNIPER_PROTO_IPV4: |
---|
487 | ip_print(gndo, p, l2info.length); |
---|
488 | break; |
---|
489 | #ifdef INET6 |
---|
490 | case JUNIPER_PROTO_IPV6: |
---|
491 | ip6_print(gndo, p, l2info.length); |
---|
492 | break; |
---|
493 | #endif /* INET6 */ |
---|
494 | default: |
---|
495 | if (!eflag) |
---|
496 | printf("unknown GGSN proto (%u)", gh->proto); |
---|
497 | } |
---|
498 | |
---|
499 | return l2info.header_len; |
---|
500 | } |
---|
501 | #endif |
---|
502 | |
---|
503 | #ifdef DLT_JUNIPER_ES |
---|
504 | u_int |
---|
505 | juniper_es_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
506 | { |
---|
507 | struct juniper_l2info_t l2info; |
---|
508 | struct juniper_ipsec_header { |
---|
509 | u_int8_t sa_index[2]; |
---|
510 | u_int8_t ttl; |
---|
511 | u_int8_t type; |
---|
512 | u_int8_t spi[4]; |
---|
513 | u_int8_t src_ip[4]; |
---|
514 | u_int8_t dst_ip[4]; |
---|
515 | }; |
---|
516 | u_int rewrite_len,es_type_bundle; |
---|
517 | const struct juniper_ipsec_header *ih; |
---|
518 | |
---|
519 | l2info.pictype = DLT_JUNIPER_ES; |
---|
520 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
521 | return l2info.header_len; |
---|
522 | |
---|
523 | p+=l2info.header_len; |
---|
524 | ih = (struct juniper_ipsec_header *)p; |
---|
525 | |
---|
526 | switch (ih->type) { |
---|
527 | case JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE: |
---|
528 | case JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE: |
---|
529 | rewrite_len = 0; |
---|
530 | es_type_bundle = 1; |
---|
531 | break; |
---|
532 | case JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE: |
---|
533 | case JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE: |
---|
534 | case JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE: |
---|
535 | rewrite_len = 16; |
---|
536 | es_type_bundle = 0; |
---|
537 | default: |
---|
538 | printf("ES Invalid type %u, length %u", |
---|
539 | ih->type, |
---|
540 | l2info.length); |
---|
541 | return l2info.header_len; |
---|
542 | } |
---|
543 | |
---|
544 | l2info.length-=rewrite_len; |
---|
545 | p+=rewrite_len; |
---|
546 | |
---|
547 | if (eflag) { |
---|
548 | if (!es_type_bundle) { |
---|
549 | printf("ES SA, index %u, ttl %u type %s (%u), spi %u, Tunnel %s > %s, length %u\n", |
---|
550 | EXTRACT_16BITS(&ih->sa_index), |
---|
551 | ih->ttl, |
---|
552 | tok2str(juniper_ipsec_type_values,"Unknown",ih->type), |
---|
553 | ih->type, |
---|
554 | EXTRACT_32BITS(&ih->spi), |
---|
555 | ipaddr_string(&ih->src_ip), |
---|
556 | ipaddr_string(&ih->dst_ip), |
---|
557 | l2info.length); |
---|
558 | } else { |
---|
559 | printf("ES SA, index %u, ttl %u type %s (%u), length %u\n", |
---|
560 | EXTRACT_16BITS(&ih->sa_index), |
---|
561 | ih->ttl, |
---|
562 | tok2str(juniper_ipsec_type_values,"Unknown",ih->type), |
---|
563 | ih->type, |
---|
564 | l2info.length); |
---|
565 | } |
---|
566 | } |
---|
567 | |
---|
568 | ip_print(gndo, p, l2info.length); |
---|
569 | return l2info.header_len; |
---|
570 | } |
---|
571 | #endif |
---|
572 | |
---|
573 | #ifdef DLT_JUNIPER_MONITOR |
---|
574 | u_int |
---|
575 | juniper_monitor_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
576 | { |
---|
577 | struct juniper_l2info_t l2info; |
---|
578 | struct juniper_monitor_header { |
---|
579 | u_int8_t pkt_type; |
---|
580 | u_int8_t padding; |
---|
581 | u_int8_t iif[2]; |
---|
582 | u_int8_t service_id[4]; |
---|
583 | }; |
---|
584 | const struct juniper_monitor_header *mh; |
---|
585 | |
---|
586 | l2info.pictype = DLT_JUNIPER_MONITOR; |
---|
587 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
588 | return l2info.header_len; |
---|
589 | |
---|
590 | p+=l2info.header_len; |
---|
591 | mh = (struct juniper_monitor_header *)p; |
---|
592 | |
---|
593 | if (eflag) |
---|
594 | printf("service-id %u, iif %u, pkt-type %u: ", |
---|
595 | EXTRACT_32BITS(&mh->service_id), |
---|
596 | EXTRACT_16BITS(&mh->iif), |
---|
597 | mh->pkt_type); |
---|
598 | |
---|
599 | /* no proto field - lets guess by first byte of IP header*/ |
---|
600 | ip_heuristic_guess(p, l2info.length); |
---|
601 | |
---|
602 | return l2info.header_len; |
---|
603 | } |
---|
604 | #endif |
---|
605 | |
---|
606 | #ifdef DLT_JUNIPER_SERVICES |
---|
607 | u_int |
---|
608 | juniper_services_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
609 | { |
---|
610 | struct juniper_l2info_t l2info; |
---|
611 | struct juniper_services_header { |
---|
612 | u_int8_t svc_id; |
---|
613 | u_int8_t flags_len; |
---|
614 | u_int8_t svc_set_id[2]; |
---|
615 | u_int8_t dir_iif[4]; |
---|
616 | }; |
---|
617 | const struct juniper_services_header *sh; |
---|
618 | |
---|
619 | l2info.pictype = DLT_JUNIPER_SERVICES; |
---|
620 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
621 | return l2info.header_len; |
---|
622 | |
---|
623 | p+=l2info.header_len; |
---|
624 | sh = (struct juniper_services_header *)p; |
---|
625 | |
---|
626 | if (eflag) |
---|
627 | printf("service-id %u flags 0x%02x service-set-id 0x%04x iif %u: ", |
---|
628 | sh->svc_id, |
---|
629 | sh->flags_len, |
---|
630 | EXTRACT_16BITS(&sh->svc_set_id), |
---|
631 | EXTRACT_24BITS(&sh->dir_iif[1])); |
---|
632 | |
---|
633 | /* no proto field - lets guess by first byte of IP header*/ |
---|
634 | ip_heuristic_guess(p, l2info.length); |
---|
635 | |
---|
636 | return l2info.header_len; |
---|
637 | } |
---|
638 | #endif |
---|
639 | |
---|
640 | #ifdef DLT_JUNIPER_PPPOE |
---|
641 | u_int |
---|
642 | juniper_pppoe_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
643 | { |
---|
644 | struct juniper_l2info_t l2info; |
---|
645 | |
---|
646 | l2info.pictype = DLT_JUNIPER_PPPOE; |
---|
647 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
648 | return l2info.header_len; |
---|
649 | |
---|
650 | p+=l2info.header_len; |
---|
651 | /* this DLT contains nothing but raw ethernet frames */ |
---|
652 | ether_print(gndo, p, l2info.length, l2info.caplen, NULL, NULL); |
---|
653 | return l2info.header_len; |
---|
654 | } |
---|
655 | #endif |
---|
656 | |
---|
657 | #ifdef DLT_JUNIPER_ETHER |
---|
658 | u_int |
---|
659 | juniper_ether_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
660 | { |
---|
661 | struct juniper_l2info_t l2info; |
---|
662 | |
---|
663 | l2info.pictype = DLT_JUNIPER_ETHER; |
---|
664 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
665 | return l2info.header_len; |
---|
666 | |
---|
667 | p+=l2info.header_len; |
---|
668 | /* this DLT contains nothing but raw Ethernet frames */ |
---|
669 | ether_print(gndo, p, l2info.length, l2info.caplen, NULL, NULL); |
---|
670 | return l2info.header_len; |
---|
671 | } |
---|
672 | #endif |
---|
673 | |
---|
674 | #ifdef DLT_JUNIPER_PPP |
---|
675 | u_int |
---|
676 | juniper_ppp_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
677 | { |
---|
678 | struct juniper_l2info_t l2info; |
---|
679 | |
---|
680 | l2info.pictype = DLT_JUNIPER_PPP; |
---|
681 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
682 | return l2info.header_len; |
---|
683 | |
---|
684 | p+=l2info.header_len; |
---|
685 | /* this DLT contains nothing but raw ppp frames */ |
---|
686 | ppp_print(p, l2info.length); |
---|
687 | return l2info.header_len; |
---|
688 | } |
---|
689 | #endif |
---|
690 | |
---|
691 | #ifdef DLT_JUNIPER_FRELAY |
---|
692 | u_int |
---|
693 | juniper_frelay_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
694 | { |
---|
695 | struct juniper_l2info_t l2info; |
---|
696 | |
---|
697 | l2info.pictype = DLT_JUNIPER_FRELAY; |
---|
698 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
699 | return l2info.header_len; |
---|
700 | |
---|
701 | p+=l2info.header_len; |
---|
702 | /* this DLT contains nothing but raw frame-relay frames */ |
---|
703 | fr_print(p, l2info.length); |
---|
704 | return l2info.header_len; |
---|
705 | } |
---|
706 | #endif |
---|
707 | |
---|
708 | #ifdef DLT_JUNIPER_CHDLC |
---|
709 | u_int |
---|
710 | juniper_chdlc_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
711 | { |
---|
712 | struct juniper_l2info_t l2info; |
---|
713 | |
---|
714 | l2info.pictype = DLT_JUNIPER_CHDLC; |
---|
715 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
716 | return l2info.header_len; |
---|
717 | |
---|
718 | p+=l2info.header_len; |
---|
719 | /* this DLT contains nothing but raw c-hdlc frames */ |
---|
720 | chdlc_print(p, l2info.length); |
---|
721 | return l2info.header_len; |
---|
722 | } |
---|
723 | #endif |
---|
724 | |
---|
725 | #ifdef DLT_JUNIPER_PPPOE_ATM |
---|
726 | u_int |
---|
727 | juniper_pppoe_atm_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
728 | { |
---|
729 | struct juniper_l2info_t l2info; |
---|
730 | u_int16_t extracted_ethertype; |
---|
731 | |
---|
732 | l2info.pictype = DLT_JUNIPER_PPPOE_ATM; |
---|
733 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
734 | return l2info.header_len; |
---|
735 | |
---|
736 | p+=l2info.header_len; |
---|
737 | |
---|
738 | extracted_ethertype = EXTRACT_16BITS(p); |
---|
739 | /* this DLT contains nothing but raw PPPoE frames, |
---|
740 | * prepended with a type field*/ |
---|
741 | if (ethertype_print(gndo, extracted_ethertype, |
---|
742 | p+ETHERTYPE_LEN, |
---|
743 | l2info.length-ETHERTYPE_LEN, |
---|
744 | l2info.caplen-ETHERTYPE_LEN) == 0) |
---|
745 | /* ether_type not known, probably it wasn't one */ |
---|
746 | printf("unknown ethertype 0x%04x", extracted_ethertype); |
---|
747 | |
---|
748 | return l2info.header_len; |
---|
749 | } |
---|
750 | #endif |
---|
751 | |
---|
752 | #ifdef DLT_JUNIPER_MLPPP |
---|
753 | u_int |
---|
754 | juniper_mlppp_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
755 | { |
---|
756 | struct juniper_l2info_t l2info; |
---|
757 | |
---|
758 | l2info.pictype = DLT_JUNIPER_MLPPP; |
---|
759 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
760 | return l2info.header_len; |
---|
761 | |
---|
762 | /* suppress Bundle-ID if frame was captured on a child-link |
---|
763 | * best indicator if the cookie looks like a proto */ |
---|
764 | if (eflag && |
---|
765 | EXTRACT_16BITS(&l2info.cookie) != PPP_OSI && |
---|
766 | EXTRACT_16BITS(&l2info.cookie) != (PPP_ADDRESS << 8 | PPP_CONTROL)) |
---|
767 | printf("Bundle-ID %u: ",l2info.bundle); |
---|
768 | |
---|
769 | p+=l2info.header_len; |
---|
770 | |
---|
771 | /* first try the LSQ protos */ |
---|
772 | switch(l2info.proto) { |
---|
773 | case JUNIPER_LSQ_L3_PROTO_IPV4: |
---|
774 | /* IP traffic going to the RE would not have a cookie |
---|
775 | * -> this must be incoming IS-IS over PPP |
---|
776 | */ |
---|
777 | if (l2info.cookie[4] == (JUNIPER_LSQ_COOKIE_RE|JUNIPER_LSQ_COOKIE_DIR)) |
---|
778 | ppp_print(p, l2info.length); |
---|
779 | else |
---|
780 | ip_print(gndo, p, l2info.length); |
---|
781 | return l2info.header_len; |
---|
782 | #ifdef INET6 |
---|
783 | case JUNIPER_LSQ_L3_PROTO_IPV6: |
---|
784 | ip6_print(gndo, p,l2info.length); |
---|
785 | return l2info.header_len; |
---|
786 | #endif |
---|
787 | case JUNIPER_LSQ_L3_PROTO_MPLS: |
---|
788 | mpls_print(p,l2info.length); |
---|
789 | return l2info.header_len; |
---|
790 | case JUNIPER_LSQ_L3_PROTO_ISO: |
---|
791 | isoclns_print(p,l2info.length,l2info.caplen); |
---|
792 | return l2info.header_len; |
---|
793 | default: |
---|
794 | break; |
---|
795 | } |
---|
796 | |
---|
797 | /* zero length cookie ? */ |
---|
798 | switch (EXTRACT_16BITS(&l2info.cookie)) { |
---|
799 | case PPP_OSI: |
---|
800 | ppp_print(p-2,l2info.length+2); |
---|
801 | break; |
---|
802 | case (PPP_ADDRESS << 8 | PPP_CONTROL): /* fall through */ |
---|
803 | default: |
---|
804 | ppp_print(p,l2info.length); |
---|
805 | break; |
---|
806 | } |
---|
807 | |
---|
808 | return l2info.header_len; |
---|
809 | } |
---|
810 | #endif |
---|
811 | |
---|
812 | |
---|
813 | #ifdef DLT_JUNIPER_MFR |
---|
814 | u_int |
---|
815 | juniper_mfr_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
816 | { |
---|
817 | struct juniper_l2info_t l2info; |
---|
818 | |
---|
819 | l2info.pictype = DLT_JUNIPER_MFR; |
---|
820 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
821 | return l2info.header_len; |
---|
822 | |
---|
823 | p+=l2info.header_len; |
---|
824 | |
---|
825 | /* child-link ? */ |
---|
826 | if (l2info.cookie_len == 0) { |
---|
827 | mfr_print(p,l2info.length); |
---|
828 | return l2info.header_len; |
---|
829 | } |
---|
830 | |
---|
831 | /* first try the LSQ protos */ |
---|
832 | if (l2info.cookie_len == AS_PIC_COOKIE_LEN) { |
---|
833 | switch(l2info.proto) { |
---|
834 | case JUNIPER_LSQ_L3_PROTO_IPV4: |
---|
835 | ip_print(gndo, p, l2info.length); |
---|
836 | return l2info.header_len; |
---|
837 | #ifdef INET6 |
---|
838 | case JUNIPER_LSQ_L3_PROTO_IPV6: |
---|
839 | ip6_print(gndo, p,l2info.length); |
---|
840 | return l2info.header_len; |
---|
841 | #endif |
---|
842 | case JUNIPER_LSQ_L3_PROTO_MPLS: |
---|
843 | mpls_print(p,l2info.length); |
---|
844 | return l2info.header_len; |
---|
845 | case JUNIPER_LSQ_L3_PROTO_ISO: |
---|
846 | isoclns_print(p,l2info.length,l2info.caplen); |
---|
847 | return l2info.header_len; |
---|
848 | default: |
---|
849 | break; |
---|
850 | } |
---|
851 | return l2info.header_len; |
---|
852 | } |
---|
853 | |
---|
854 | /* suppress Bundle-ID if frame was captured on a child-link */ |
---|
855 | if (eflag && EXTRACT_32BITS(l2info.cookie) != 1) printf("Bundle-ID %u, ",l2info.bundle); |
---|
856 | switch (l2info.proto) { |
---|
857 | case (LLCSAP_ISONS<<8 | LLCSAP_ISONS): |
---|
858 | isoclns_print(p+1, l2info.length-1, l2info.caplen-1); |
---|
859 | break; |
---|
860 | case (LLC_UI<<8 | NLPID_Q933): |
---|
861 | case (LLC_UI<<8 | NLPID_IP): |
---|
862 | case (LLC_UI<<8 | NLPID_IP6): |
---|
863 | /* pass IP{4,6} to the OSI layer for proper link-layer printing */ |
---|
864 | isoclns_print(p-1, l2info.length+1, l2info.caplen+1); |
---|
865 | break; |
---|
866 | default: |
---|
867 | printf("unknown protocol 0x%04x, length %u",l2info.proto, l2info.length); |
---|
868 | } |
---|
869 | |
---|
870 | return l2info.header_len; |
---|
871 | } |
---|
872 | #endif |
---|
873 | |
---|
874 | #ifdef DLT_JUNIPER_MLFR |
---|
875 | u_int |
---|
876 | juniper_mlfr_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
877 | { |
---|
878 | struct juniper_l2info_t l2info; |
---|
879 | |
---|
880 | l2info.pictype = DLT_JUNIPER_MLFR; |
---|
881 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
882 | return l2info.header_len; |
---|
883 | |
---|
884 | p+=l2info.header_len; |
---|
885 | |
---|
886 | /* suppress Bundle-ID if frame was captured on a child-link */ |
---|
887 | if (eflag && EXTRACT_32BITS(l2info.cookie) != 1) printf("Bundle-ID %u, ",l2info.bundle); |
---|
888 | switch (l2info.proto) { |
---|
889 | case (LLC_UI): |
---|
890 | case (LLC_UI<<8): |
---|
891 | isoclns_print(p, l2info.length, l2info.caplen); |
---|
892 | break; |
---|
893 | case (LLC_UI<<8 | NLPID_Q933): |
---|
894 | case (LLC_UI<<8 | NLPID_IP): |
---|
895 | case (LLC_UI<<8 | NLPID_IP6): |
---|
896 | /* pass IP{4,6} to the OSI layer for proper link-layer printing */ |
---|
897 | isoclns_print(p-1, l2info.length+1, l2info.caplen+1); |
---|
898 | break; |
---|
899 | default: |
---|
900 | printf("unknown protocol 0x%04x, length %u",l2info.proto, l2info.length); |
---|
901 | } |
---|
902 | |
---|
903 | return l2info.header_len; |
---|
904 | } |
---|
905 | #endif |
---|
906 | |
---|
907 | /* |
---|
908 | * ATM1 PIC cookie format |
---|
909 | * |
---|
910 | * +-----+-------------------------+-------------------------------+ |
---|
911 | * |fmtid| vc index | channel ID | |
---|
912 | * +-----+-------------------------+-------------------------------+ |
---|
913 | */ |
---|
914 | |
---|
915 | #ifdef DLT_JUNIPER_ATM1 |
---|
916 | u_int |
---|
917 | juniper_atm1_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
918 | { |
---|
919 | u_int16_t extracted_ethertype; |
---|
920 | |
---|
921 | struct juniper_l2info_t l2info; |
---|
922 | |
---|
923 | l2info.pictype = DLT_JUNIPER_ATM1; |
---|
924 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
925 | return l2info.header_len; |
---|
926 | |
---|
927 | p+=l2info.header_len; |
---|
928 | |
---|
929 | if (l2info.cookie[0] == 0x80) { /* OAM cell ? */ |
---|
930 | oam_print(p,l2info.length,ATM_OAM_NOHEC); |
---|
931 | return l2info.header_len; |
---|
932 | } |
---|
933 | |
---|
934 | if (EXTRACT_24BITS(p) == 0xfefe03 || /* NLPID encaps ? */ |
---|
935 | EXTRACT_24BITS(p) == 0xaaaa03) { /* SNAP encaps ? */ |
---|
936 | |
---|
937 | if (llc_print(p, l2info.length, l2info.caplen, NULL, NULL, |
---|
938 | &extracted_ethertype) != 0) |
---|
939 | return l2info.header_len; |
---|
940 | } |
---|
941 | |
---|
942 | if (p[0] == 0x03) { /* Cisco style NLPID encaps ? */ |
---|
943 | isoclns_print(p + 1, l2info.length - 1, l2info.caplen - 1); |
---|
944 | /* FIXME check if frame was recognized */ |
---|
945 | return l2info.header_len; |
---|
946 | } |
---|
947 | |
---|
948 | if(ip_heuristic_guess(p, l2info.length) != 0) /* last try - vcmux encaps ? */ |
---|
949 | return l2info.header_len; |
---|
950 | |
---|
951 | return l2info.header_len; |
---|
952 | } |
---|
953 | #endif |
---|
954 | |
---|
955 | /* |
---|
956 | * ATM2 PIC cookie format |
---|
957 | * |
---|
958 | * +-------------------------------+---------+---+-----+-----------+ |
---|
959 | * | channel ID | reserv |AAL| CCRQ| gap cnt | |
---|
960 | * +-------------------------------+---------+---+-----+-----------+ |
---|
961 | */ |
---|
962 | |
---|
963 | #ifdef DLT_JUNIPER_ATM2 |
---|
964 | u_int |
---|
965 | juniper_atm2_print(const struct pcap_pkthdr *h, register const u_char *p) |
---|
966 | { |
---|
967 | u_int16_t extracted_ethertype; |
---|
968 | |
---|
969 | struct juniper_l2info_t l2info; |
---|
970 | |
---|
971 | l2info.pictype = DLT_JUNIPER_ATM2; |
---|
972 | if(juniper_parse_header(p, h, &l2info) == 0) |
---|
973 | return l2info.header_len; |
---|
974 | |
---|
975 | p+=l2info.header_len; |
---|
976 | |
---|
977 | if (l2info.cookie[7] & ATM2_PKT_TYPE_MASK) { /* OAM cell ? */ |
---|
978 | oam_print(p,l2info.length,ATM_OAM_NOHEC); |
---|
979 | return l2info.header_len; |
---|
980 | } |
---|
981 | |
---|
982 | if (EXTRACT_24BITS(p) == 0xfefe03 || /* NLPID encaps ? */ |
---|
983 | EXTRACT_24BITS(p) == 0xaaaa03) { /* SNAP encaps ? */ |
---|
984 | |
---|
985 | if (llc_print(p, l2info.length, l2info.caplen, NULL, NULL, |
---|
986 | &extracted_ethertype) != 0) |
---|
987 | return l2info.header_len; |
---|
988 | } |
---|
989 | |
---|
990 | if (l2info.direction != JUNIPER_BPF_PKT_IN && /* ether-over-1483 encaps ? */ |
---|
991 | (EXTRACT_32BITS(l2info.cookie) & ATM2_GAP_COUNT_MASK)) { |
---|
992 | ether_print(gndo, p, l2info.length, l2info.caplen, NULL, NULL); |
---|
993 | return l2info.header_len; |
---|
994 | } |
---|
995 | |
---|
996 | if (p[0] == 0x03) { /* Cisco style NLPID encaps ? */ |
---|
997 | isoclns_print(p + 1, l2info.length - 1, l2info.caplen - 1); |
---|
998 | /* FIXME check if frame was recognized */ |
---|
999 | return l2info.header_len; |
---|
1000 | } |
---|
1001 | |
---|
1002 | if(juniper_ppp_heuristic_guess(p, l2info.length) != 0) /* PPPoA vcmux encaps ? */ |
---|
1003 | return l2info.header_len; |
---|
1004 | |
---|
1005 | if(ip_heuristic_guess(p, l2info.length) != 0) /* last try - vcmux encaps ? */ |
---|
1006 | return l2info.header_len; |
---|
1007 | |
---|
1008 | return l2info.header_len; |
---|
1009 | } |
---|
1010 | #endif |
---|
1011 | |
---|
1012 | |
---|
1013 | /* try to guess, based on all PPP protos that are supported in |
---|
1014 | * a juniper router if the payload data is encapsulated using PPP */ |
---|
1015 | int |
---|
1016 | juniper_ppp_heuristic_guess(register const u_char *p, u_int length) { |
---|
1017 | |
---|
1018 | switch(EXTRACT_16BITS(p)) { |
---|
1019 | case PPP_IP : |
---|
1020 | case PPP_OSI : |
---|
1021 | case PPP_MPLS_UCAST : |
---|
1022 | case PPP_MPLS_MCAST : |
---|
1023 | case PPP_IPCP : |
---|
1024 | case PPP_OSICP : |
---|
1025 | case PPP_MPLSCP : |
---|
1026 | case PPP_LCP : |
---|
1027 | case PPP_PAP : |
---|
1028 | case PPP_CHAP : |
---|
1029 | case PPP_ML : |
---|
1030 | #ifdef INET6 |
---|
1031 | case PPP_IPV6 : |
---|
1032 | case PPP_IPV6CP : |
---|
1033 | #endif |
---|
1034 | ppp_print(p, length); |
---|
1035 | break; |
---|
1036 | |
---|
1037 | default: |
---|
1038 | return 0; /* did not find a ppp header */ |
---|
1039 | break; |
---|
1040 | } |
---|
1041 | return 1; /* we printed a ppp packet */ |
---|
1042 | } |
---|
1043 | |
---|
1044 | int |
---|
1045 | ip_heuristic_guess(register const u_char *p, u_int length) { |
---|
1046 | |
---|
1047 | switch(p[0]) { |
---|
1048 | case 0x45: |
---|
1049 | case 0x46: |
---|
1050 | case 0x47: |
---|
1051 | case 0x48: |
---|
1052 | case 0x49: |
---|
1053 | case 0x4a: |
---|
1054 | case 0x4b: |
---|
1055 | case 0x4c: |
---|
1056 | case 0x4d: |
---|
1057 | case 0x4e: |
---|
1058 | case 0x4f: |
---|
1059 | ip_print(gndo, p, length); |
---|
1060 | break; |
---|
1061 | #ifdef INET6 |
---|
1062 | case 0x60: |
---|
1063 | case 0x61: |
---|
1064 | case 0x62: |
---|
1065 | case 0x63: |
---|
1066 | case 0x64: |
---|
1067 | case 0x65: |
---|
1068 | case 0x66: |
---|
1069 | case 0x67: |
---|
1070 | case 0x68: |
---|
1071 | case 0x69: |
---|
1072 | case 0x6a: |
---|
1073 | case 0x6b: |
---|
1074 | case 0x6c: |
---|
1075 | case 0x6d: |
---|
1076 | case 0x6e: |
---|
1077 | case 0x6f: |
---|
1078 | ip6_print(gndo, p, length); |
---|
1079 | break; |
---|
1080 | #endif |
---|
1081 | default: |
---|
1082 | return 0; /* did not find a ip header */ |
---|
1083 | break; |
---|
1084 | } |
---|
1085 | return 1; /* we printed an v4/v6 packet */ |
---|
1086 | } |
---|
1087 | |
---|
1088 | int |
---|
1089 | juniper_read_tlv_value(const u_char *p, u_int tlv_type, u_int tlv_len) { |
---|
1090 | |
---|
1091 | int tlv_value; |
---|
1092 | |
---|
1093 | /* TLVs < 128 are little endian encoded */ |
---|
1094 | if (tlv_type < 128) { |
---|
1095 | switch (tlv_len) { |
---|
1096 | case 1: |
---|
1097 | tlv_value = *p; |
---|
1098 | break; |
---|
1099 | case 2: |
---|
1100 | tlv_value = EXTRACT_LE_16BITS(p); |
---|
1101 | break; |
---|
1102 | case 3: |
---|
1103 | tlv_value = EXTRACT_LE_24BITS(p); |
---|
1104 | break; |
---|
1105 | case 4: |
---|
1106 | tlv_value = EXTRACT_LE_32BITS(p); |
---|
1107 | break; |
---|
1108 | default: |
---|
1109 | tlv_value = -1; |
---|
1110 | break; |
---|
1111 | } |
---|
1112 | } else { |
---|
1113 | /* TLVs >= 128 are big endian encoded */ |
---|
1114 | switch (tlv_len) { |
---|
1115 | case 1: |
---|
1116 | tlv_value = *p; |
---|
1117 | break; |
---|
1118 | case 2: |
---|
1119 | tlv_value = EXTRACT_16BITS(p); |
---|
1120 | break; |
---|
1121 | case 3: |
---|
1122 | tlv_value = EXTRACT_24BITS(p); |
---|
1123 | break; |
---|
1124 | case 4: |
---|
1125 | tlv_value = EXTRACT_32BITS(p); |
---|
1126 | break; |
---|
1127 | default: |
---|
1128 | tlv_value = -1; |
---|
1129 | break; |
---|
1130 | } |
---|
1131 | } |
---|
1132 | return tlv_value; |
---|
1133 | } |
---|
1134 | |
---|
1135 | static int |
---|
1136 | juniper_parse_header (const u_char *p, const struct pcap_pkthdr *h, struct juniper_l2info_t *l2info) { |
---|
1137 | |
---|
1138 | struct juniper_cookie_table_t *lp = juniper_cookie_table; |
---|
1139 | u_int idx, jnx_ext_len, jnx_header_len = 0; |
---|
1140 | u_int8_t tlv_type,tlv_len; |
---|
1141 | u_int32_t control_word; |
---|
1142 | int tlv_value; |
---|
1143 | const u_char *tptr; |
---|
1144 | |
---|
1145 | |
---|
1146 | l2info->header_len = 0; |
---|
1147 | l2info->cookie_len = 0; |
---|
1148 | l2info->proto = 0; |
---|
1149 | |
---|
1150 | |
---|
1151 | l2info->length = h->len; |
---|
1152 | l2info->caplen = h->caplen; |
---|
1153 | TCHECK2(p[0],4); |
---|
1154 | l2info->flags = p[3]; |
---|
1155 | l2info->direction = p[3]&JUNIPER_BPF_PKT_IN; |
---|
1156 | |
---|
1157 | if (EXTRACT_24BITS(p) != JUNIPER_MGC_NUMBER) { /* magic number found ? */ |
---|
1158 | printf("no magic-number found!"); |
---|
1159 | return 0; |
---|
1160 | } |
---|
1161 | |
---|
1162 | if (eflag) /* print direction */ |
---|
1163 | printf("%3s ",tok2str(juniper_direction_values,"---",l2info->direction)); |
---|
1164 | |
---|
1165 | /* magic number + flags */ |
---|
1166 | jnx_header_len = 4; |
---|
1167 | |
---|
1168 | if (vflag>1) |
---|
1169 | printf("\n\tJuniper PCAP Flags [%s]", |
---|
1170 | bittok2str(jnx_flag_values, "none", l2info->flags)); |
---|
1171 | |
---|
1172 | /* extensions present ? - calculate how much bytes to skip */ |
---|
1173 | if ((l2info->flags & JUNIPER_BPF_EXT ) == JUNIPER_BPF_EXT ) { |
---|
1174 | |
---|
1175 | tptr = p+jnx_header_len; |
---|
1176 | |
---|
1177 | /* ok to read extension length ? */ |
---|
1178 | TCHECK2(tptr[0], 2); |
---|
1179 | jnx_ext_len = EXTRACT_16BITS(tptr); |
---|
1180 | jnx_header_len += 2; |
---|
1181 | tptr +=2; |
---|
1182 | |
---|
1183 | /* nail up the total length - |
---|
1184 | * just in case something goes wrong |
---|
1185 | * with TLV parsing */ |
---|
1186 | jnx_header_len += jnx_ext_len; |
---|
1187 | |
---|
1188 | if (vflag>1) |
---|
1189 | printf(", PCAP Extension(s) total length %u", |
---|
1190 | jnx_ext_len); |
---|
1191 | |
---|
1192 | TCHECK2(tptr[0], jnx_ext_len); |
---|
1193 | while (jnx_ext_len > JUNIPER_EXT_TLV_OVERHEAD) { |
---|
1194 | tlv_type = *(tptr++); |
---|
1195 | tlv_len = *(tptr++); |
---|
1196 | tlv_value = 0; |
---|
1197 | |
---|
1198 | /* sanity check */ |
---|
1199 | if (tlv_type == 0 || tlv_len == 0) |
---|
1200 | break; |
---|
1201 | |
---|
1202 | if (vflag>1) |
---|
1203 | printf("\n\t %s Extension TLV #%u, length %u, value ", |
---|
1204 | tok2str(jnx_ext_tlv_values,"Unknown",tlv_type), |
---|
1205 | tlv_type, |
---|
1206 | tlv_len); |
---|
1207 | |
---|
1208 | tlv_value = juniper_read_tlv_value(tptr, tlv_type, tlv_len); |
---|
1209 | switch (tlv_type) { |
---|
1210 | case JUNIPER_EXT_TLV_IFD_NAME: |
---|
1211 | /* FIXME */ |
---|
1212 | break; |
---|
1213 | case JUNIPER_EXT_TLV_IFD_MEDIATYPE: |
---|
1214 | case JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE: |
---|
1215 | if (tlv_value != -1) { |
---|
1216 | if (vflag>1) |
---|
1217 | printf("%s (%u)", |
---|
1218 | tok2str(juniper_ifmt_values, "Unknown", tlv_value), |
---|
1219 | tlv_value); |
---|
1220 | } |
---|
1221 | break; |
---|
1222 | case JUNIPER_EXT_TLV_IFL_ENCAPS: |
---|
1223 | case JUNIPER_EXT_TLV_TTP_IFL_ENCAPS: |
---|
1224 | if (tlv_value != -1) { |
---|
1225 | if (vflag>1) |
---|
1226 | printf("%s (%u)", |
---|
1227 | tok2str(juniper_ifle_values, "Unknown", tlv_value), |
---|
1228 | tlv_value); |
---|
1229 | } |
---|
1230 | break; |
---|
1231 | case JUNIPER_EXT_TLV_IFL_IDX: /* fall through */ |
---|
1232 | case JUNIPER_EXT_TLV_IFL_UNIT: |
---|
1233 | case JUNIPER_EXT_TLV_IFD_IDX: |
---|
1234 | default: |
---|
1235 | if (tlv_value != -1) { |
---|
1236 | if (vflag>1) |
---|
1237 | printf("%u",tlv_value); |
---|
1238 | } |
---|
1239 | break; |
---|
1240 | } |
---|
1241 | |
---|
1242 | tptr+=tlv_len; |
---|
1243 | jnx_ext_len -= tlv_len+JUNIPER_EXT_TLV_OVERHEAD; |
---|
1244 | } |
---|
1245 | |
---|
1246 | if (vflag>1) |
---|
1247 | printf("\n\t-----original packet-----\n\t"); |
---|
1248 | } |
---|
1249 | |
---|
1250 | if ((l2info->flags & JUNIPER_BPF_NO_L2 ) == JUNIPER_BPF_NO_L2 ) { |
---|
1251 | if (eflag) |
---|
1252 | printf("no-L2-hdr, "); |
---|
1253 | |
---|
1254 | /* there is no link-layer present - |
---|
1255 | * perform the v4/v6 heuristics |
---|
1256 | * to figure out what it is |
---|
1257 | */ |
---|
1258 | TCHECK2(p[jnx_header_len+4],1); |
---|
1259 | if(ip_heuristic_guess(p+jnx_header_len+4,l2info->length-(jnx_header_len+4)) == 0) |
---|
1260 | printf("no IP-hdr found!"); |
---|
1261 | |
---|
1262 | l2info->header_len=jnx_header_len+4; |
---|
1263 | return 0; /* stop parsing the output further */ |
---|
1264 | |
---|
1265 | } |
---|
1266 | l2info->header_len = jnx_header_len; |
---|
1267 | p+=l2info->header_len; |
---|
1268 | l2info->length -= l2info->header_len; |
---|
1269 | l2info->caplen -= l2info->header_len; |
---|
1270 | |
---|
1271 | /* search through the cookie table and copy values matching for our PIC type */ |
---|
1272 | while (lp->s != NULL) { |
---|
1273 | if (lp->pictype == l2info->pictype) { |
---|
1274 | |
---|
1275 | l2info->cookie_len += lp->cookie_len; |
---|
1276 | |
---|
1277 | switch (p[0]) { |
---|
1278 | case LS_COOKIE_ID: |
---|
1279 | l2info->cookie_type = LS_COOKIE_ID; |
---|
1280 | l2info->cookie_len += 2; |
---|
1281 | break; |
---|
1282 | case AS_COOKIE_ID: |
---|
1283 | l2info->cookie_type = AS_COOKIE_ID; |
---|
1284 | l2info->cookie_len = 8; |
---|
1285 | break; |
---|
1286 | |
---|
1287 | default: |
---|
1288 | l2info->bundle = l2info->cookie[0]; |
---|
1289 | break; |
---|
1290 | } |
---|
1291 | |
---|
1292 | |
---|
1293 | #ifdef DLT_JUNIPER_MFR |
---|
1294 | /* MFR child links don't carry cookies */ |
---|
1295 | if (l2info->pictype == DLT_JUNIPER_MFR && |
---|
1296 | (p[0] & MFR_BE_MASK) == MFR_BE_MASK) { |
---|
1297 | l2info->cookie_len = 0; |
---|
1298 | } |
---|
1299 | #endif |
---|
1300 | |
---|
1301 | l2info->header_len += l2info->cookie_len; |
---|
1302 | l2info->length -= l2info->cookie_len; |
---|
1303 | l2info->caplen -= l2info->cookie_len; |
---|
1304 | |
---|
1305 | if (eflag) |
---|
1306 | printf("%s-PIC, cookie-len %u", |
---|
1307 | lp->s, |
---|
1308 | l2info->cookie_len); |
---|
1309 | |
---|
1310 | if (l2info->cookie_len > 0) { |
---|
1311 | TCHECK2(p[0],l2info->cookie_len); |
---|
1312 | if (eflag) |
---|
1313 | printf(", cookie 0x"); |
---|
1314 | for (idx = 0; idx < l2info->cookie_len; idx++) { |
---|
1315 | l2info->cookie[idx] = p[idx]; /* copy cookie data */ |
---|
1316 | if (eflag) printf("%02x",p[idx]); |
---|
1317 | } |
---|
1318 | } |
---|
1319 | |
---|
1320 | if (eflag) printf(": "); /* print demarc b/w L2/L3*/ |
---|
1321 | |
---|
1322 | |
---|
1323 | l2info->proto = EXTRACT_16BITS(p+l2info->cookie_len); |
---|
1324 | break; |
---|
1325 | } |
---|
1326 | ++lp; |
---|
1327 | } |
---|
1328 | p+=l2info->cookie_len; |
---|
1329 | |
---|
1330 | /* DLT_ specific parsing */ |
---|
1331 | switch(l2info->pictype) { |
---|
1332 | #ifdef DLT_JUNIPER_MLPPP |
---|
1333 | case DLT_JUNIPER_MLPPP: |
---|
1334 | switch (l2info->cookie_type) { |
---|
1335 | case LS_COOKIE_ID: |
---|
1336 | l2info->bundle = l2info->cookie[1]; |
---|
1337 | break; |
---|
1338 | case AS_COOKIE_ID: |
---|
1339 | l2info->bundle = (EXTRACT_16BITS(&l2info->cookie[6])>>3)&0xfff; |
---|
1340 | l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK; |
---|
1341 | break; |
---|
1342 | default: |
---|
1343 | l2info->bundle = l2info->cookie[0]; |
---|
1344 | break; |
---|
1345 | } |
---|
1346 | break; |
---|
1347 | #endif |
---|
1348 | #ifdef DLT_JUNIPER_MLFR |
---|
1349 | case DLT_JUNIPER_MLFR: |
---|
1350 | switch (l2info->cookie_type) { |
---|
1351 | case LS_COOKIE_ID: |
---|
1352 | l2info->bundle = l2info->cookie[1]; |
---|
1353 | l2info->proto = EXTRACT_16BITS(p); |
---|
1354 | l2info->header_len += 2; |
---|
1355 | l2info->length -= 2; |
---|
1356 | l2info->caplen -= 2; |
---|
1357 | break; |
---|
1358 | case AS_COOKIE_ID: |
---|
1359 | l2info->bundle = (EXTRACT_16BITS(&l2info->cookie[6])>>3)&0xfff; |
---|
1360 | l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK; |
---|
1361 | break; |
---|
1362 | default: |
---|
1363 | l2info->bundle = l2info->cookie[0]; |
---|
1364 | l2info->header_len += 2; |
---|
1365 | l2info->length -= 2; |
---|
1366 | l2info->caplen -= 2; |
---|
1367 | break; |
---|
1368 | } |
---|
1369 | break; |
---|
1370 | #endif |
---|
1371 | #ifdef DLT_JUNIPER_MFR |
---|
1372 | case DLT_JUNIPER_MFR: |
---|
1373 | switch (l2info->cookie_type) { |
---|
1374 | case LS_COOKIE_ID: |
---|
1375 | l2info->bundle = l2info->cookie[1]; |
---|
1376 | l2info->proto = EXTRACT_16BITS(p); |
---|
1377 | l2info->header_len += 2; |
---|
1378 | l2info->length -= 2; |
---|
1379 | l2info->caplen -= 2; |
---|
1380 | break; |
---|
1381 | case AS_COOKIE_ID: |
---|
1382 | l2info->bundle = (EXTRACT_16BITS(&l2info->cookie[6])>>3)&0xfff; |
---|
1383 | l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK; |
---|
1384 | break; |
---|
1385 | default: |
---|
1386 | l2info->bundle = l2info->cookie[0]; |
---|
1387 | break; |
---|
1388 | } |
---|
1389 | break; |
---|
1390 | #endif |
---|
1391 | #ifdef DLT_JUNIPER_ATM2 |
---|
1392 | case DLT_JUNIPER_ATM2: |
---|
1393 | TCHECK2(p[0],4); |
---|
1394 | /* ATM cell relay control word present ? */ |
---|
1395 | if (l2info->cookie[7] & ATM2_PKT_TYPE_MASK) { |
---|
1396 | control_word = EXTRACT_32BITS(p); |
---|
1397 | /* some control word heuristics */ |
---|
1398 | switch(control_word) { |
---|
1399 | case 0: /* zero control word */ |
---|
1400 | case 0x08000000: /* < JUNOS 7.4 control-word */ |
---|
1401 | case 0x08380000: /* cntl word plus cell length (56) >= JUNOS 7.4*/ |
---|
1402 | l2info->header_len += 4; |
---|
1403 | break; |
---|
1404 | default: |
---|
1405 | break; |
---|
1406 | } |
---|
1407 | |
---|
1408 | if (eflag) |
---|
1409 | printf("control-word 0x%08x ", control_word); |
---|
1410 | } |
---|
1411 | break; |
---|
1412 | #endif |
---|
1413 | #ifdef DLT_JUNIPER_GGSN |
---|
1414 | case DLT_JUNIPER_GGSN: |
---|
1415 | break; |
---|
1416 | #endif |
---|
1417 | #ifdef DLT_JUNIPER_ATM1 |
---|
1418 | case DLT_JUNIPER_ATM1: |
---|
1419 | break; |
---|
1420 | #endif |
---|
1421 | #ifdef DLT_JUNIPER_PPP |
---|
1422 | case DLT_JUNIPER_PPP: |
---|
1423 | break; |
---|
1424 | #endif |
---|
1425 | #ifdef DLT_JUNIPER_CHDLC |
---|
1426 | case DLT_JUNIPER_CHDLC: |
---|
1427 | break; |
---|
1428 | #endif |
---|
1429 | #ifdef DLT_JUNIPER_ETHER |
---|
1430 | case DLT_JUNIPER_ETHER: |
---|
1431 | break; |
---|
1432 | #endif |
---|
1433 | #ifdef DLT_JUNIPER_FRELAY |
---|
1434 | case DLT_JUNIPER_FRELAY: |
---|
1435 | break; |
---|
1436 | #endif |
---|
1437 | |
---|
1438 | default: |
---|
1439 | printf("Unknown Juniper DLT_ type %u: ", l2info->pictype); |
---|
1440 | break; |
---|
1441 | } |
---|
1442 | |
---|
1443 | if (eflag > 1) |
---|
1444 | printf("hlen %u, proto 0x%04x, ",l2info->header_len,l2info->proto); |
---|
1445 | |
---|
1446 | return 1; /* everything went ok so far. continue parsing */ |
---|
1447 | trunc: |
---|
1448 | printf("[|juniper_hdr], length %u",h->len); |
---|
1449 | return 0; |
---|
1450 | } |
---|
1451 | |
---|
1452 | |
---|
1453 | /* |
---|
1454 | * Local Variables: |
---|
1455 | * c-style: whitesmith |
---|
1456 | * c-basic-offset: 4 |
---|
1457 | * End: |
---|
1458 | */ |
---|