JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1 | /* NetBSD: print-juniper.c,v 1.2 2007/07/24 11:53:45 drochner Exp */ |
| 2 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 3 | /* |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that: (1) source code |
| 6 | * distributions retain the above copyright notice and this paragraph |
| 7 | * in its entirety, and (2) distributions including binary code include |
| 8 | * the above copyright notice and this paragraph in its entirety in |
| 9 | * the documentation or other materials provided with the distribution. |
| 10 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND |
| 11 | * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT |
| 12 | * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 13 | * FOR A PARTICULAR PURPOSE. |
| 14 | * |
| 15 | * Original code by Hannes Gredler (hannes@juniper.net) |
| 16 | */ |
| 17 | |
| 18 | #ifndef lint |
| 19 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 20 | "@(#) $Header: /tcpdump/master/tcpdump/print-juniper.c,v 1.34 2007-08-29 02:31:44 mcr Exp $ (LBL)"; |
| 21 | #else |
| 22 | __RCSID("NetBSD: print-juniper.c,v 1.3 2007/07/25 06:31:32 dogcow Exp "); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 23 | #endif |
| 24 | |
| 25 | #ifdef HAVE_CONFIG_H |
| 26 | #include "config.h" |
| 27 | #endif |
| 28 | |
| 29 | #include <tcpdump-stdinc.h> |
| 30 | |
| 31 | #include <pcap.h> |
| 32 | #include <stdio.h> |
| 33 | |
| 34 | #include "interface.h" |
| 35 | #include "addrtoname.h" |
| 36 | #include "extract.h" |
| 37 | #include "ppp.h" |
| 38 | #include "llc.h" |
| 39 | #include "nlpid.h" |
| 40 | #include "ethertype.h" |
| 41 | #include "atm.h" |
| 42 | |
| 43 | #define JUNIPER_BPF_OUT 0 /* Outgoing packet */ |
| 44 | #define JUNIPER_BPF_IN 1 /* Incoming packet */ |
| 45 | #define JUNIPER_BPF_PKT_IN 0x1 /* Incoming packet */ |
| 46 | #define JUNIPER_BPF_NO_L2 0x2 /* L2 header stripped */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 47 | #define JUNIPER_BPF_IIF 0x4 /* IIF is valid */ |
| 48 | #define JUNIPER_BPF_FILTER 0x40 /* BPF filtering is supported */ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 49 | #define JUNIPER_BPF_EXT 0x80 /* extensions present */ |
| 50 | #define JUNIPER_MGC_NUMBER 0x4d4743 /* = "MGC" */ |
| 51 | |
| 52 | #define JUNIPER_LSQ_COOKIE_RE (1 << 3) |
| 53 | #define JUNIPER_LSQ_COOKIE_DIR (1 << 2) |
| 54 | #define JUNIPER_LSQ_L3_PROTO_SHIFT 4 |
| 55 | #define JUNIPER_LSQ_L3_PROTO_MASK (0x17 << JUNIPER_LSQ_L3_PROTO_SHIFT) |
| 56 | #define JUNIPER_LSQ_L3_PROTO_IPV4 (0 << JUNIPER_LSQ_L3_PROTO_SHIFT) |
| 57 | #define JUNIPER_LSQ_L3_PROTO_IPV6 (1 << JUNIPER_LSQ_L3_PROTO_SHIFT) |
| 58 | #define JUNIPER_LSQ_L3_PROTO_MPLS (2 << JUNIPER_LSQ_L3_PROTO_SHIFT) |
| 59 | #define JUNIPER_LSQ_L3_PROTO_ISO (3 << JUNIPER_LSQ_L3_PROTO_SHIFT) |
| 60 | #define AS_PIC_COOKIE_LEN 8 |
| 61 | |
| 62 | #define JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE 1 |
| 63 | #define JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE 2 |
| 64 | #define JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE 3 |
| 65 | #define JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE 4 |
| 66 | #define JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE 5 |
| 67 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 68 | static const struct tok juniper_ipsec_type_values[] = { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 69 | { JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE, "ESP ENCR-AUTH" }, |
| 70 | { JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE, "ESP ENCR-AH AUTH" }, |
| 71 | { JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE, "ESP AUTH" }, |
| 72 | { JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE, "AH AUTH" }, |
| 73 | { JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE, "ESP ENCR" }, |
| 74 | { 0, NULL} |
| 75 | }; |
| 76 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 77 | static const struct tok juniper_direction_values[] = { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 78 | { JUNIPER_BPF_IN, "In"}, |
| 79 | { JUNIPER_BPF_OUT, "Out"}, |
| 80 | { 0, NULL} |
| 81 | }; |
| 82 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 83 | /* codepoints for encoding extensions to a .pcap file */ |
| 84 | enum { |
| 85 | JUNIPER_EXT_TLV_IFD_IDX = 1, |
| 86 | JUNIPER_EXT_TLV_IFD_NAME = 2, |
| 87 | JUNIPER_EXT_TLV_IFD_MEDIATYPE = 3, |
| 88 | JUNIPER_EXT_TLV_IFL_IDX = 4, |
| 89 | JUNIPER_EXT_TLV_IFL_UNIT = 5, |
| 90 | JUNIPER_EXT_TLV_IFL_ENCAPS = 6, |
| 91 | JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE = 7, |
| 92 | JUNIPER_EXT_TLV_TTP_IFL_ENCAPS = 8 |
| 93 | }; |
| 94 | |
| 95 | /* 1 byte type and 1-byte length */ |
| 96 | #define JUNIPER_EXT_TLV_OVERHEAD 2 |
| 97 | |
| 98 | static const struct tok jnx_ext_tlv_values[] = { |
| 99 | { JUNIPER_EXT_TLV_IFD_IDX, "Device Interface Index" }, |
| 100 | { JUNIPER_EXT_TLV_IFD_NAME,"Device Interface Name" }, |
| 101 | { JUNIPER_EXT_TLV_IFD_MEDIATYPE, "Device Media Type" }, |
| 102 | { JUNIPER_EXT_TLV_IFL_IDX, "Logical Interface Index" }, |
| 103 | { JUNIPER_EXT_TLV_IFL_UNIT,"Logical Unit Number" }, |
| 104 | { JUNIPER_EXT_TLV_IFL_ENCAPS, "Logical Interface Encapsulation" }, |
| 105 | { JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE, "TTP derived Device Media Type" }, |
| 106 | { JUNIPER_EXT_TLV_TTP_IFL_ENCAPS, "TTP derived Logical Interface Encapsulation" }, |
| 107 | { 0, NULL } |
| 108 | }; |
| 109 | |
| 110 | static const struct tok jnx_flag_values[] = { |
| 111 | { JUNIPER_BPF_EXT, "Ext" }, |
| 112 | { JUNIPER_BPF_FILTER, "Filter" }, |
| 113 | { JUNIPER_BPF_IIF, "IIF" }, |
| 114 | { JUNIPER_BPF_NO_L2, "no-L2" }, |
| 115 | { JUNIPER_BPF_PKT_IN, "In" }, |
| 116 | { 0, NULL } |
| 117 | }; |
| 118 | |
| 119 | #define JUNIPER_IFML_ETHER 1 |
| 120 | #define JUNIPER_IFML_FDDI 2 |
| 121 | #define JUNIPER_IFML_TOKENRING 3 |
| 122 | #define JUNIPER_IFML_PPP 4 |
| 123 | #define JUNIPER_IFML_FRAMERELAY 5 |
| 124 | #define JUNIPER_IFML_CISCOHDLC 6 |
| 125 | #define JUNIPER_IFML_SMDSDXI 7 |
| 126 | #define JUNIPER_IFML_ATMPVC 8 |
| 127 | #define JUNIPER_IFML_PPP_CCC 9 |
| 128 | #define JUNIPER_IFML_FRAMERELAY_CCC 10 |
| 129 | #define JUNIPER_IFML_IPIP 11 |
| 130 | #define JUNIPER_IFML_GRE 12 |
| 131 | #define JUNIPER_IFML_PIM 13 |
| 132 | #define JUNIPER_IFML_PIMD 14 |
| 133 | #define JUNIPER_IFML_CISCOHDLC_CCC 15 |
| 134 | #define JUNIPER_IFML_VLAN_CCC 16 |
| 135 | #define JUNIPER_IFML_MLPPP 17 |
| 136 | #define JUNIPER_IFML_MLFR 18 |
| 137 | #define JUNIPER_IFML_ML 19 |
| 138 | #define JUNIPER_IFML_LSI 20 |
| 139 | #define JUNIPER_IFML_DFE 21 |
| 140 | #define JUNIPER_IFML_ATM_CELLRELAY_CCC 22 |
| 141 | #define JUNIPER_IFML_CRYPTO 23 |
| 142 | #define JUNIPER_IFML_GGSN 24 |
| 143 | #define JUNIPER_IFML_LSI_PPP 25 |
| 144 | #define JUNIPER_IFML_LSI_CISCOHDLC 26 |
| 145 | #define JUNIPER_IFML_PPP_TCC 27 |
| 146 | #define JUNIPER_IFML_FRAMERELAY_TCC 28 |
| 147 | #define JUNIPER_IFML_CISCOHDLC_TCC 29 |
| 148 | #define JUNIPER_IFML_ETHERNET_CCC 30 |
| 149 | #define JUNIPER_IFML_VT 31 |
| 150 | #define JUNIPER_IFML_EXTENDED_VLAN_CCC 32 |
| 151 | #define JUNIPER_IFML_ETHER_OVER_ATM 33 |
| 152 | #define JUNIPER_IFML_MONITOR 34 |
| 153 | #define JUNIPER_IFML_ETHERNET_TCC 35 |
| 154 | #define JUNIPER_IFML_VLAN_TCC 36 |
| 155 | #define JUNIPER_IFML_EXTENDED_VLAN_TCC 37 |
| 156 | #define JUNIPER_IFML_CONTROLLER 38 |
| 157 | #define JUNIPER_IFML_MFR 39 |
| 158 | #define JUNIPER_IFML_LS 40 |
| 159 | #define JUNIPER_IFML_ETHERNET_VPLS 41 |
| 160 | #define JUNIPER_IFML_ETHERNET_VLAN_VPLS 42 |
| 161 | #define JUNIPER_IFML_ETHERNET_EXTENDED_VLAN_VPLS 43 |
| 162 | #define JUNIPER_IFML_LT 44 |
| 163 | #define JUNIPER_IFML_SERVICES 45 |
| 164 | #define JUNIPER_IFML_ETHER_VPLS_OVER_ATM 46 |
| 165 | #define JUNIPER_IFML_FR_PORT_CCC 47 |
| 166 | #define JUNIPER_IFML_FRAMERELAY_EXT_CCC 48 |
| 167 | #define JUNIPER_IFML_FRAMERELAY_EXT_TCC 49 |
| 168 | #define JUNIPER_IFML_FRAMERELAY_FLEX 50 |
| 169 | #define JUNIPER_IFML_GGSNI 51 |
| 170 | #define JUNIPER_IFML_ETHERNET_FLEX 52 |
| 171 | #define JUNIPER_IFML_COLLECTOR 53 |
| 172 | #define JUNIPER_IFML_AGGREGATOR 54 |
| 173 | #define JUNIPER_IFML_LAPD 55 |
| 174 | #define JUNIPER_IFML_PPPOE 56 |
| 175 | #define JUNIPER_IFML_PPP_SUBORDINATE 57 |
| 176 | #define JUNIPER_IFML_CISCOHDLC_SUBORDINATE 58 |
| 177 | #define JUNIPER_IFML_DFC 59 |
| 178 | #define JUNIPER_IFML_PICPEER 60 |
| 179 | |
| 180 | static const struct tok juniper_ifmt_values[] = { |
| 181 | { JUNIPER_IFML_ETHER, "Ethernet" }, |
| 182 | { JUNIPER_IFML_FDDI, "FDDI" }, |
| 183 | { JUNIPER_IFML_TOKENRING, "Token-Ring" }, |
| 184 | { JUNIPER_IFML_PPP, "PPP" }, |
| 185 | { JUNIPER_IFML_PPP_SUBORDINATE, "PPP-Subordinate" }, |
| 186 | { JUNIPER_IFML_FRAMERELAY, "Frame-Relay" }, |
| 187 | { JUNIPER_IFML_CISCOHDLC, "Cisco-HDLC" }, |
| 188 | { JUNIPER_IFML_SMDSDXI, "SMDS-DXI" }, |
| 189 | { JUNIPER_IFML_ATMPVC, "ATM-PVC" }, |
| 190 | { JUNIPER_IFML_PPP_CCC, "PPP-CCC" }, |
| 191 | { JUNIPER_IFML_FRAMERELAY_CCC, "Frame-Relay-CCC" }, |
| 192 | { JUNIPER_IFML_FRAMERELAY_EXT_CCC, "Extended FR-CCC" }, |
| 193 | { JUNIPER_IFML_IPIP, "IP-over-IP" }, |
| 194 | { JUNIPER_IFML_GRE, "GRE" }, |
| 195 | { JUNIPER_IFML_PIM, "PIM-Encapsulator" }, |
| 196 | { JUNIPER_IFML_PIMD, "PIM-Decapsulator" }, |
| 197 | { JUNIPER_IFML_CISCOHDLC_CCC, "Cisco-HDLC-CCC" }, |
| 198 | { JUNIPER_IFML_VLAN_CCC, "VLAN-CCC" }, |
| 199 | { JUNIPER_IFML_EXTENDED_VLAN_CCC, "Extended-VLAN-CCC" }, |
| 200 | { JUNIPER_IFML_MLPPP, "Multilink-PPP" }, |
| 201 | { JUNIPER_IFML_MLFR, "Multilink-FR" }, |
| 202 | { JUNIPER_IFML_MFR, "Multilink-FR-UNI-NNI" }, |
| 203 | { JUNIPER_IFML_ML, "Multilink" }, |
| 204 | { JUNIPER_IFML_LS, "LinkService" }, |
| 205 | { JUNIPER_IFML_LSI, "LSI" }, |
| 206 | { JUNIPER_IFML_ATM_CELLRELAY_CCC, "ATM-CCC-Cell-Relay" }, |
| 207 | { JUNIPER_IFML_CRYPTO, "IPSEC-over-IP" }, |
| 208 | { JUNIPER_IFML_GGSN, "GGSN" }, |
| 209 | { JUNIPER_IFML_PPP_TCC, "PPP-TCC" }, |
| 210 | { JUNIPER_IFML_FRAMERELAY_TCC, "Frame-Relay-TCC" }, |
| 211 | { JUNIPER_IFML_FRAMERELAY_EXT_TCC, "Extended FR-TCC" }, |
| 212 | { JUNIPER_IFML_CISCOHDLC_TCC, "Cisco-HDLC-TCC" }, |
| 213 | { JUNIPER_IFML_ETHERNET_CCC, "Ethernet-CCC" }, |
| 214 | { JUNIPER_IFML_VT, "VPN-Loopback-tunnel" }, |
| 215 | { JUNIPER_IFML_ETHER_OVER_ATM, "Ethernet-over-ATM" }, |
| 216 | { JUNIPER_IFML_ETHER_VPLS_OVER_ATM, "Ethernet-VPLS-over-ATM" }, |
| 217 | { JUNIPER_IFML_MONITOR, "Monitor" }, |
| 218 | { JUNIPER_IFML_ETHERNET_TCC, "Ethernet-TCC" }, |
| 219 | { JUNIPER_IFML_VLAN_TCC, "VLAN-TCC" }, |
| 220 | { JUNIPER_IFML_EXTENDED_VLAN_TCC, "Extended-VLAN-TCC" }, |
| 221 | { JUNIPER_IFML_CONTROLLER, "Controller" }, |
| 222 | { JUNIPER_IFML_ETHERNET_VPLS, "VPLS" }, |
| 223 | { JUNIPER_IFML_ETHERNET_VLAN_VPLS, "VLAN-VPLS" }, |
| 224 | { JUNIPER_IFML_ETHERNET_EXTENDED_VLAN_VPLS, "Extended-VLAN-VPLS" }, |
| 225 | { JUNIPER_IFML_LT, "Logical-tunnel" }, |
| 226 | { JUNIPER_IFML_SERVICES, "General-Services" }, |
| 227 | { JUNIPER_IFML_PPPOE, "PPPoE" }, |
| 228 | { JUNIPER_IFML_ETHERNET_FLEX, "Flexible-Ethernet-Services" }, |
| 229 | { JUNIPER_IFML_FRAMERELAY_FLEX, "Flexible-FrameRelay" }, |
| 230 | { JUNIPER_IFML_COLLECTOR, "Flow-collection" }, |
| 231 | { JUNIPER_IFML_PICPEER, "PIC Peer" }, |
| 232 | { JUNIPER_IFML_DFC, "Dynamic-Flow-Capture" }, |
| 233 | {0, NULL} |
| 234 | }; |
| 235 | |
| 236 | #define JUNIPER_IFLE_ATM_SNAP 2 |
| 237 | #define JUNIPER_IFLE_ATM_NLPID 3 |
| 238 | #define JUNIPER_IFLE_ATM_VCMUX 4 |
| 239 | #define JUNIPER_IFLE_ATM_LLC 5 |
| 240 | #define JUNIPER_IFLE_ATM_PPP_VCMUX 6 |
| 241 | #define JUNIPER_IFLE_ATM_PPP_LLC 7 |
| 242 | #define JUNIPER_IFLE_ATM_PPP_FUNI 8 |
| 243 | #define JUNIPER_IFLE_ATM_CCC 9 |
| 244 | #define JUNIPER_IFLE_FR_NLPID 10 |
| 245 | #define JUNIPER_IFLE_FR_SNAP 11 |
| 246 | #define JUNIPER_IFLE_FR_PPP 12 |
| 247 | #define JUNIPER_IFLE_FR_CCC 13 |
| 248 | #define JUNIPER_IFLE_ENET2 14 |
| 249 | #define JUNIPER_IFLE_IEEE8023_SNAP 15 |
| 250 | #define JUNIPER_IFLE_IEEE8023_LLC 16 |
| 251 | #define JUNIPER_IFLE_PPP 17 |
| 252 | #define JUNIPER_IFLE_CISCOHDLC 18 |
| 253 | #define JUNIPER_IFLE_PPP_CCC 19 |
| 254 | #define JUNIPER_IFLE_IPIP_NULL 20 |
| 255 | #define JUNIPER_IFLE_PIM_NULL 21 |
| 256 | #define JUNIPER_IFLE_GRE_NULL 22 |
| 257 | #define JUNIPER_IFLE_GRE_PPP 23 |
| 258 | #define JUNIPER_IFLE_PIMD_DECAPS 24 |
| 259 | #define JUNIPER_IFLE_CISCOHDLC_CCC 25 |
| 260 | #define JUNIPER_IFLE_ATM_CISCO_NLPID 26 |
| 261 | #define JUNIPER_IFLE_VLAN_CCC 27 |
| 262 | #define JUNIPER_IFLE_MLPPP 28 |
| 263 | #define JUNIPER_IFLE_MLFR 29 |
| 264 | #define JUNIPER_IFLE_LSI_NULL 30 |
| 265 | #define JUNIPER_IFLE_AGGREGATE_UNUSED 31 |
| 266 | #define JUNIPER_IFLE_ATM_CELLRELAY_CCC 32 |
| 267 | #define JUNIPER_IFLE_CRYPTO 33 |
| 268 | #define JUNIPER_IFLE_GGSN 34 |
| 269 | #define JUNIPER_IFLE_ATM_TCC 35 |
| 270 | #define JUNIPER_IFLE_FR_TCC 36 |
| 271 | #define JUNIPER_IFLE_PPP_TCC 37 |
| 272 | #define JUNIPER_IFLE_CISCOHDLC_TCC 38 |
| 273 | #define JUNIPER_IFLE_ETHERNET_CCC 39 |
| 274 | #define JUNIPER_IFLE_VT 40 |
| 275 | #define JUNIPER_IFLE_ATM_EOA_LLC 41 |
| 276 | #define JUNIPER_IFLE_EXTENDED_VLAN_CCC 42 |
| 277 | #define JUNIPER_IFLE_ATM_SNAP_TCC 43 |
| 278 | #define JUNIPER_IFLE_MONITOR 44 |
| 279 | #define JUNIPER_IFLE_ETHERNET_TCC 45 |
| 280 | #define JUNIPER_IFLE_VLAN_TCC 46 |
| 281 | #define JUNIPER_IFLE_EXTENDED_VLAN_TCC 47 |
| 282 | #define JUNIPER_IFLE_MFR 48 |
| 283 | #define JUNIPER_IFLE_ETHERNET_VPLS 49 |
| 284 | #define JUNIPER_IFLE_ETHERNET_VLAN_VPLS 50 |
| 285 | #define JUNIPER_IFLE_ETHERNET_EXTENDED_VLAN_VPLS 51 |
| 286 | #define JUNIPER_IFLE_SERVICES 52 |
| 287 | #define JUNIPER_IFLE_ATM_ETHER_VPLS_ATM_LLC 53 |
| 288 | #define JUNIPER_IFLE_FR_PORT_CCC 54 |
| 289 | #define JUNIPER_IFLE_ATM_MLPPP_LLC 55 |
| 290 | #define JUNIPER_IFLE_ATM_EOA_CCC 56 |
| 291 | #define JUNIPER_IFLE_LT_VLAN 57 |
| 292 | #define JUNIPER_IFLE_COLLECTOR 58 |
| 293 | #define JUNIPER_IFLE_AGGREGATOR 59 |
| 294 | #define JUNIPER_IFLE_LAPD 60 |
| 295 | #define JUNIPER_IFLE_ATM_PPPOE_LLC 61 |
| 296 | #define JUNIPER_IFLE_ETHERNET_PPPOE 62 |
| 297 | #define JUNIPER_IFLE_PPPOE 63 |
| 298 | #define JUNIPER_IFLE_PPP_SUBORDINATE 64 |
| 299 | #define JUNIPER_IFLE_CISCOHDLC_SUBORDINATE 65 |
| 300 | #define JUNIPER_IFLE_DFC 66 |
| 301 | #define JUNIPER_IFLE_PICPEER 67 |
| 302 | |
| 303 | static const struct tok juniper_ifle_values[] = { |
| 304 | { JUNIPER_IFLE_AGGREGATOR, "Aggregator" }, |
| 305 | { JUNIPER_IFLE_ATM_CCC, "CCC over ATM" }, |
| 306 | { JUNIPER_IFLE_ATM_CELLRELAY_CCC, "ATM CCC Cell Relay" }, |
| 307 | { JUNIPER_IFLE_ATM_CISCO_NLPID, "CISCO compatible NLPID" }, |
| 308 | { JUNIPER_IFLE_ATM_EOA_CCC, "Ethernet over ATM CCC" }, |
| 309 | { JUNIPER_IFLE_ATM_EOA_LLC, "Ethernet over ATM LLC" }, |
| 310 | { JUNIPER_IFLE_ATM_ETHER_VPLS_ATM_LLC, "Ethernet VPLS over ATM LLC" }, |
| 311 | { JUNIPER_IFLE_ATM_LLC, "ATM LLC" }, |
| 312 | { JUNIPER_IFLE_ATM_MLPPP_LLC, "MLPPP over ATM LLC" }, |
| 313 | { JUNIPER_IFLE_ATM_NLPID, "ATM NLPID" }, |
| 314 | { JUNIPER_IFLE_ATM_PPPOE_LLC, "PPPoE over ATM LLC" }, |
| 315 | { JUNIPER_IFLE_ATM_PPP_FUNI, "PPP over FUNI" }, |
| 316 | { JUNIPER_IFLE_ATM_PPP_LLC, "PPP over ATM LLC" }, |
| 317 | { JUNIPER_IFLE_ATM_PPP_VCMUX, "PPP over ATM VCMUX" }, |
| 318 | { JUNIPER_IFLE_ATM_SNAP, "ATM SNAP" }, |
| 319 | { JUNIPER_IFLE_ATM_SNAP_TCC, "ATM SNAP TCC" }, |
| 320 | { JUNIPER_IFLE_ATM_TCC, "ATM VCMUX TCC" }, |
| 321 | { JUNIPER_IFLE_ATM_VCMUX, "ATM VCMUX" }, |
| 322 | { JUNIPER_IFLE_CISCOHDLC, "C-HDLC" }, |
| 323 | { JUNIPER_IFLE_CISCOHDLC_CCC, "C-HDLC CCC" }, |
| 324 | { JUNIPER_IFLE_CISCOHDLC_SUBORDINATE, "C-HDLC via dialer" }, |
| 325 | { JUNIPER_IFLE_CISCOHDLC_TCC, "C-HDLC TCC" }, |
| 326 | { JUNIPER_IFLE_COLLECTOR, "Collector" }, |
| 327 | { JUNIPER_IFLE_CRYPTO, "Crypto" }, |
| 328 | { JUNIPER_IFLE_ENET2, "Ethernet" }, |
| 329 | { JUNIPER_IFLE_ETHERNET_CCC, "Ethernet CCC" }, |
| 330 | { JUNIPER_IFLE_ETHERNET_EXTENDED_VLAN_VPLS, "Extended VLAN VPLS" }, |
| 331 | { JUNIPER_IFLE_ETHERNET_PPPOE, "PPPoE over Ethernet" }, |
| 332 | { JUNIPER_IFLE_ETHERNET_TCC, "Ethernet TCC" }, |
| 333 | { JUNIPER_IFLE_ETHERNET_VLAN_VPLS, "VLAN VPLS" }, |
| 334 | { JUNIPER_IFLE_ETHERNET_VPLS, "VPLS" }, |
| 335 | { JUNIPER_IFLE_EXTENDED_VLAN_CCC, "Extended VLAN CCC" }, |
| 336 | { JUNIPER_IFLE_EXTENDED_VLAN_TCC, "Extended VLAN TCC" }, |
| 337 | { JUNIPER_IFLE_FR_CCC, "FR CCC" }, |
| 338 | { JUNIPER_IFLE_FR_NLPID, "FR NLPID" }, |
| 339 | { JUNIPER_IFLE_FR_PORT_CCC, "FR CCC" }, |
| 340 | { JUNIPER_IFLE_FR_PPP, "FR PPP" }, |
| 341 | { JUNIPER_IFLE_FR_SNAP, "FR SNAP" }, |
| 342 | { JUNIPER_IFLE_FR_TCC, "FR TCC" }, |
| 343 | { JUNIPER_IFLE_GGSN, "GGSN" }, |
| 344 | { JUNIPER_IFLE_GRE_NULL, "GRE NULL" }, |
| 345 | { JUNIPER_IFLE_GRE_PPP, "PPP over GRE" }, |
| 346 | { JUNIPER_IFLE_IPIP_NULL, "IPIP" }, |
| 347 | { JUNIPER_IFLE_LAPD, "LAPD" }, |
| 348 | { JUNIPER_IFLE_LSI_NULL, "LSI Null" }, |
| 349 | { JUNIPER_IFLE_LT_VLAN, "LT VLAN" }, |
| 350 | { JUNIPER_IFLE_MFR, "MFR" }, |
| 351 | { JUNIPER_IFLE_MLFR, "MLFR" }, |
| 352 | { JUNIPER_IFLE_MLPPP, "MLPPP" }, |
| 353 | { JUNIPER_IFLE_MONITOR, "Monitor" }, |
| 354 | { JUNIPER_IFLE_PIMD_DECAPS, "PIMd" }, |
| 355 | { JUNIPER_IFLE_PIM_NULL, "PIM Null" }, |
| 356 | { JUNIPER_IFLE_PPP, "PPP" }, |
| 357 | { JUNIPER_IFLE_PPPOE, "PPPoE" }, |
| 358 | { JUNIPER_IFLE_PPP_CCC, "PPP CCC" }, |
| 359 | { JUNIPER_IFLE_PPP_SUBORDINATE, "" }, |
| 360 | { JUNIPER_IFLE_PPP_TCC, "PPP TCC" }, |
| 361 | { JUNIPER_IFLE_SERVICES, "General Services" }, |
| 362 | { JUNIPER_IFLE_VLAN_CCC, "VLAN CCC" }, |
| 363 | { JUNIPER_IFLE_VLAN_TCC, "VLAN TCC" }, |
| 364 | { JUNIPER_IFLE_VT, "VT" }, |
| 365 | {0, NULL} |
| 366 | }; |
| 367 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 368 | struct juniper_cookie_table_t { |
| 369 | u_int32_t pictype; /* pic type */ |
| 370 | u_int8_t cookie_len; /* cookie len */ |
| 371 | const char *s; /* pic name */ |
| 372 | }; |
| 373 | |
| 374 | static struct juniper_cookie_table_t juniper_cookie_table[] = { |
| 375 | #ifdef DLT_JUNIPER_ATM1 |
| 376 | { DLT_JUNIPER_ATM1, 4, "ATM1"}, |
| 377 | #endif |
| 378 | #ifdef DLT_JUNIPER_ATM2 |
| 379 | { DLT_JUNIPER_ATM2, 8, "ATM2"}, |
| 380 | #endif |
| 381 | #ifdef DLT_JUNIPER_MLPPP |
| 382 | { DLT_JUNIPER_MLPPP, 2, "MLPPP"}, |
| 383 | #endif |
| 384 | #ifdef DLT_JUNIPER_MLFR |
| 385 | { DLT_JUNIPER_MLFR, 2, "MLFR"}, |
| 386 | #endif |
| 387 | #ifdef DLT_JUNIPER_MFR |
| 388 | { DLT_JUNIPER_MFR, 4, "MFR"}, |
| 389 | #endif |
| 390 | #ifdef DLT_JUNIPER_PPPOE |
| 391 | { DLT_JUNIPER_PPPOE, 0, "PPPoE"}, |
| 392 | #endif |
| 393 | #ifdef DLT_JUNIPER_PPPOE_ATM |
| 394 | { DLT_JUNIPER_PPPOE_ATM, 0, "PPPoE ATM"}, |
| 395 | #endif |
| 396 | #ifdef DLT_JUNIPER_GGSN |
| 397 | { DLT_JUNIPER_GGSN, 8, "GGSN"}, |
| 398 | #endif |
| 399 | #ifdef DLT_JUNIPER_MONITOR |
| 400 | { DLT_JUNIPER_MONITOR, 8, "MONITOR"}, |
| 401 | #endif |
| 402 | #ifdef DLT_JUNIPER_SERVICES |
| 403 | { DLT_JUNIPER_SERVICES, 8, "AS"}, |
| 404 | #endif |
| 405 | #ifdef DLT_JUNIPER_ES |
| 406 | { DLT_JUNIPER_ES, 0, "ES"}, |
| 407 | #endif |
| 408 | { 0, 0, NULL } |
| 409 | }; |
| 410 | |
| 411 | struct juniper_l2info_t { |
| 412 | u_int32_t length; |
| 413 | u_int32_t caplen; |
| 414 | u_int32_t pictype; |
| 415 | u_int8_t direction; |
| 416 | u_int8_t header_len; |
| 417 | u_int8_t cookie_len; |
| 418 | u_int8_t cookie_type; |
| 419 | u_int8_t cookie[8]; |
| 420 | u_int8_t bundle; |
| 421 | u_int16_t proto; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 422 | u_int8_t flags; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 423 | }; |
| 424 | |
| 425 | #define LS_COOKIE_ID 0x54 |
| 426 | #define AS_COOKIE_ID 0x47 |
| 427 | #define LS_MLFR_COOKIE_LEN 4 |
| 428 | #define ML_MLFR_COOKIE_LEN 2 |
| 429 | #define LS_MFR_COOKIE_LEN 6 |
| 430 | #define ATM1_COOKIE_LEN 4 |
| 431 | #define ATM2_COOKIE_LEN 8 |
| 432 | |
| 433 | #define ATM2_PKT_TYPE_MASK 0x70 |
| 434 | #define ATM2_GAP_COUNT_MASK 0x3F |
| 435 | |
| 436 | #define JUNIPER_PROTO_NULL 1 |
| 437 | #define JUNIPER_PROTO_IPV4 2 |
| 438 | #define JUNIPER_PROTO_IPV6 6 |
| 439 | |
| 440 | #define MFR_BE_MASK 0xc0 |
| 441 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 442 | static const struct tok juniper_protocol_values[] = { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 443 | { JUNIPER_PROTO_NULL, "Null" }, |
| 444 | { JUNIPER_PROTO_IPV4, "IPv4" }, |
| 445 | { JUNIPER_PROTO_IPV6, "IPv6" }, |
| 446 | { 0, NULL} |
| 447 | }; |
| 448 | |
| 449 | int ip_heuristic_guess(register const u_char *, u_int); |
| 450 | int juniper_ppp_heuristic_guess(register const u_char *, u_int); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 451 | int juniper_read_tlv_value(const u_char *, u_int, u_int); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 452 | static int juniper_parse_header (const u_char *, const struct pcap_pkthdr *, struct juniper_l2info_t *); |
| 453 | |
| 454 | #ifdef DLT_JUNIPER_GGSN |
| 455 | u_int |
| 456 | juniper_ggsn_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 457 | { |
| 458 | struct juniper_l2info_t l2info; |
| 459 | struct juniper_ggsn_header { |
| 460 | u_int8_t svc_id; |
| 461 | u_int8_t flags_len; |
| 462 | u_int8_t proto; |
| 463 | u_int8_t flags; |
| 464 | u_int8_t vlan_id[2]; |
| 465 | u_int8_t res[2]; |
| 466 | }; |
| 467 | const struct juniper_ggsn_header *gh; |
| 468 | |
| 469 | l2info.pictype = DLT_JUNIPER_GGSN; |
| 470 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 471 | return l2info.header_len; |
| 472 | |
| 473 | p+=l2info.header_len; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 474 | gh = (struct juniper_ggsn_header *)&l2info.cookie; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 475 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 476 | if (eflag) { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 477 | printf("proto %s (%u), vlan %u: ", |
| 478 | tok2str(juniper_protocol_values,"Unknown",gh->proto), |
| 479 | gh->proto, |
| 480 | EXTRACT_16BITS(&gh->vlan_id[0])); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 481 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 482 | |
| 483 | switch (gh->proto) { |
| 484 | case JUNIPER_PROTO_IPV4: |
| 485 | ip_print(gndo, p, l2info.length); |
| 486 | break; |
| 487 | #ifdef INET6 |
| 488 | case JUNIPER_PROTO_IPV6: |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 489 | ip6_print(gndo, p, l2info.length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 490 | break; |
| 491 | #endif /* INET6 */ |
| 492 | default: |
| 493 | if (!eflag) |
| 494 | printf("unknown GGSN proto (%u)", gh->proto); |
| 495 | } |
| 496 | |
| 497 | return l2info.header_len; |
| 498 | } |
| 499 | #endif |
| 500 | |
| 501 | #ifdef DLT_JUNIPER_ES |
| 502 | u_int |
| 503 | juniper_es_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 504 | { |
| 505 | struct juniper_l2info_t l2info; |
| 506 | struct juniper_ipsec_header { |
| 507 | u_int8_t sa_index[2]; |
| 508 | u_int8_t ttl; |
| 509 | u_int8_t type; |
| 510 | u_int8_t spi[4]; |
| 511 | u_int8_t src_ip[4]; |
| 512 | u_int8_t dst_ip[4]; |
| 513 | }; |
| 514 | u_int rewrite_len,es_type_bundle; |
| 515 | const struct juniper_ipsec_header *ih; |
| 516 | |
| 517 | l2info.pictype = DLT_JUNIPER_ES; |
| 518 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 519 | return l2info.header_len; |
| 520 | |
| 521 | p+=l2info.header_len; |
| 522 | ih = (struct juniper_ipsec_header *)p; |
| 523 | |
| 524 | switch (ih->type) { |
| 525 | case JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE: |
| 526 | case JUNIPER_IPSEC_O_ESP_ENCRYPT_AH_AUTHEN_TYPE: |
| 527 | rewrite_len = 0; |
| 528 | es_type_bundle = 1; |
| 529 | break; |
| 530 | case JUNIPER_IPSEC_O_ESP_AUTHENTICATION_TYPE: |
| 531 | case JUNIPER_IPSEC_O_AH_AUTHENTICATION_TYPE: |
| 532 | case JUNIPER_IPSEC_O_ESP_ENCRYPTION_TYPE: |
| 533 | rewrite_len = 16; |
| 534 | es_type_bundle = 0; |
| 535 | default: |
| 536 | printf("ES Invalid type %u, length %u", |
| 537 | ih->type, |
| 538 | l2info.length); |
| 539 | return l2info.header_len; |
| 540 | } |
| 541 | |
| 542 | l2info.length-=rewrite_len; |
| 543 | p+=rewrite_len; |
| 544 | |
| 545 | if (eflag) { |
| 546 | if (!es_type_bundle) { |
| 547 | printf("ES SA, index %u, ttl %u type %s (%u), spi %u, Tunnel %s > %s, length %u\n", |
| 548 | EXTRACT_16BITS(&ih->sa_index), |
| 549 | ih->ttl, |
| 550 | tok2str(juniper_ipsec_type_values,"Unknown",ih->type), |
| 551 | ih->type, |
| 552 | EXTRACT_32BITS(&ih->spi), |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 553 | ipaddr_string(&ih->src_ip), |
| 554 | ipaddr_string(&ih->dst_ip), |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 555 | l2info.length); |
| 556 | } else { |
| 557 | printf("ES SA, index %u, ttl %u type %s (%u), length %u\n", |
| 558 | EXTRACT_16BITS(&ih->sa_index), |
| 559 | ih->ttl, |
| 560 | tok2str(juniper_ipsec_type_values,"Unknown",ih->type), |
| 561 | ih->type, |
| 562 | l2info.length); |
| 563 | } |
| 564 | } |
| 565 | |
| 566 | ip_print(gndo, p, l2info.length); |
| 567 | return l2info.header_len; |
| 568 | } |
| 569 | #endif |
| 570 | |
| 571 | #ifdef DLT_JUNIPER_MONITOR |
| 572 | u_int |
| 573 | juniper_monitor_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 574 | { |
| 575 | struct juniper_l2info_t l2info; |
| 576 | struct juniper_monitor_header { |
| 577 | u_int8_t pkt_type; |
| 578 | u_int8_t padding; |
| 579 | u_int8_t iif[2]; |
| 580 | u_int8_t service_id[4]; |
| 581 | }; |
| 582 | const struct juniper_monitor_header *mh; |
| 583 | |
| 584 | l2info.pictype = DLT_JUNIPER_MONITOR; |
| 585 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 586 | return l2info.header_len; |
| 587 | |
| 588 | p+=l2info.header_len; |
| 589 | mh = (struct juniper_monitor_header *)p; |
| 590 | |
| 591 | if (eflag) |
| 592 | printf("service-id %u, iif %u, pkt-type %u: ", |
| 593 | EXTRACT_32BITS(&mh->service_id), |
| 594 | EXTRACT_16BITS(&mh->iif), |
| 595 | mh->pkt_type); |
| 596 | |
| 597 | /* no proto field - lets guess by first byte of IP header*/ |
| 598 | ip_heuristic_guess(p, l2info.length); |
| 599 | |
| 600 | return l2info.header_len; |
| 601 | } |
| 602 | #endif |
| 603 | |
| 604 | #ifdef DLT_JUNIPER_SERVICES |
| 605 | u_int |
| 606 | juniper_services_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 607 | { |
| 608 | struct juniper_l2info_t l2info; |
| 609 | struct juniper_services_header { |
| 610 | u_int8_t svc_id; |
| 611 | u_int8_t flags_len; |
| 612 | u_int8_t svc_set_id[2]; |
| 613 | u_int8_t dir_iif[4]; |
| 614 | }; |
| 615 | const struct juniper_services_header *sh; |
| 616 | |
| 617 | l2info.pictype = DLT_JUNIPER_SERVICES; |
| 618 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 619 | return l2info.header_len; |
| 620 | |
| 621 | p+=l2info.header_len; |
| 622 | sh = (struct juniper_services_header *)p; |
| 623 | |
| 624 | if (eflag) |
| 625 | printf("service-id %u flags 0x%02x service-set-id 0x%04x iif %u: ", |
| 626 | sh->svc_id, |
| 627 | sh->flags_len, |
| 628 | EXTRACT_16BITS(&sh->svc_set_id), |
| 629 | EXTRACT_24BITS(&sh->dir_iif[1])); |
| 630 | |
| 631 | /* no proto field - lets guess by first byte of IP header*/ |
| 632 | ip_heuristic_guess(p, l2info.length); |
| 633 | |
| 634 | return l2info.header_len; |
| 635 | } |
| 636 | #endif |
| 637 | |
| 638 | #ifdef DLT_JUNIPER_PPPOE |
| 639 | u_int |
| 640 | juniper_pppoe_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 641 | { |
| 642 | struct juniper_l2info_t l2info; |
| 643 | |
| 644 | l2info.pictype = DLT_JUNIPER_PPPOE; |
| 645 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 646 | return l2info.header_len; |
| 647 | |
| 648 | p+=l2info.header_len; |
| 649 | /* this DLT contains nothing but raw ethernet frames */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 650 | ether_print(gndo, p, l2info.length, l2info.caplen, NULL, NULL); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 651 | return l2info.header_len; |
| 652 | } |
| 653 | #endif |
| 654 | |
| 655 | #ifdef DLT_JUNIPER_ETHER |
| 656 | u_int |
| 657 | juniper_ether_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 658 | { |
| 659 | struct juniper_l2info_t l2info; |
| 660 | |
| 661 | l2info.pictype = DLT_JUNIPER_ETHER; |
| 662 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 663 | return l2info.header_len; |
| 664 | |
| 665 | p+=l2info.header_len; |
| 666 | /* this DLT contains nothing but raw Ethernet frames */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 667 | ether_print(gndo, p, l2info.length, l2info.caplen, NULL, NULL); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 668 | return l2info.header_len; |
| 669 | } |
| 670 | #endif |
| 671 | |
| 672 | #ifdef DLT_JUNIPER_PPP |
| 673 | u_int |
| 674 | juniper_ppp_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 675 | { |
| 676 | struct juniper_l2info_t l2info; |
| 677 | |
| 678 | l2info.pictype = DLT_JUNIPER_PPP; |
| 679 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 680 | return l2info.header_len; |
| 681 | |
| 682 | p+=l2info.header_len; |
| 683 | /* this DLT contains nothing but raw ppp frames */ |
| 684 | ppp_print(p, l2info.length); |
| 685 | return l2info.header_len; |
| 686 | } |
| 687 | #endif |
| 688 | |
| 689 | #ifdef DLT_JUNIPER_FRELAY |
| 690 | u_int |
| 691 | juniper_frelay_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 692 | { |
| 693 | struct juniper_l2info_t l2info; |
| 694 | |
| 695 | l2info.pictype = DLT_JUNIPER_FRELAY; |
| 696 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 697 | return l2info.header_len; |
| 698 | |
| 699 | p+=l2info.header_len; |
| 700 | /* this DLT contains nothing but raw frame-relay frames */ |
| 701 | fr_print(p, l2info.length); |
| 702 | return l2info.header_len; |
| 703 | } |
| 704 | #endif |
| 705 | |
| 706 | #ifdef DLT_JUNIPER_CHDLC |
| 707 | u_int |
| 708 | juniper_chdlc_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 709 | { |
| 710 | struct juniper_l2info_t l2info; |
| 711 | |
| 712 | l2info.pictype = DLT_JUNIPER_CHDLC; |
| 713 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 714 | return l2info.header_len; |
| 715 | |
| 716 | p+=l2info.header_len; |
| 717 | /* this DLT contains nothing but raw c-hdlc frames */ |
| 718 | chdlc_print(p, l2info.length); |
| 719 | return l2info.header_len; |
| 720 | } |
| 721 | #endif |
| 722 | |
| 723 | #ifdef DLT_JUNIPER_PPPOE_ATM |
| 724 | u_int |
| 725 | juniper_pppoe_atm_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 726 | { |
| 727 | struct juniper_l2info_t l2info; |
| 728 | u_int16_t extracted_ethertype; |
| 729 | |
| 730 | l2info.pictype = DLT_JUNIPER_PPPOE_ATM; |
| 731 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 732 | return l2info.header_len; |
| 733 | |
| 734 | p+=l2info.header_len; |
| 735 | |
| 736 | extracted_ethertype = EXTRACT_16BITS(p); |
| 737 | /* this DLT contains nothing but raw PPPoE frames, |
| 738 | * prepended with a type field*/ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 739 | if (ethertype_print(gndo, extracted_ethertype, |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 740 | p+ETHERTYPE_LEN, |
| 741 | l2info.length-ETHERTYPE_LEN, |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 742 | l2info.caplen-ETHERTYPE_LEN) == 0) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 743 | /* ether_type not known, probably it wasn't one */ |
| 744 | printf("unknown ethertype 0x%04x", extracted_ethertype); |
| 745 | |
| 746 | return l2info.header_len; |
| 747 | } |
| 748 | #endif |
| 749 | |
| 750 | #ifdef DLT_JUNIPER_MLPPP |
| 751 | u_int |
| 752 | juniper_mlppp_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 753 | { |
| 754 | struct juniper_l2info_t l2info; |
| 755 | |
| 756 | l2info.pictype = DLT_JUNIPER_MLPPP; |
| 757 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 758 | return l2info.header_len; |
| 759 | |
| 760 | /* suppress Bundle-ID if frame was captured on a child-link |
| 761 | * best indicator if the cookie looks like a proto */ |
| 762 | if (eflag && |
| 763 | EXTRACT_16BITS(&l2info.cookie) != PPP_OSI && |
| 764 | EXTRACT_16BITS(&l2info.cookie) != (PPP_ADDRESS << 8 | PPP_CONTROL)) |
| 765 | printf("Bundle-ID %u: ",l2info.bundle); |
| 766 | |
| 767 | p+=l2info.header_len; |
| 768 | |
| 769 | /* first try the LSQ protos */ |
| 770 | switch(l2info.proto) { |
| 771 | case JUNIPER_LSQ_L3_PROTO_IPV4: |
| 772 | /* IP traffic going to the RE would not have a cookie |
| 773 | * -> this must be incoming IS-IS over PPP |
| 774 | */ |
| 775 | if (l2info.cookie[4] == (JUNIPER_LSQ_COOKIE_RE|JUNIPER_LSQ_COOKIE_DIR)) |
| 776 | ppp_print(p, l2info.length); |
| 777 | else |
| 778 | ip_print(gndo, p, l2info.length); |
| 779 | return l2info.header_len; |
| 780 | #ifdef INET6 |
| 781 | case JUNIPER_LSQ_L3_PROTO_IPV6: |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 782 | ip6_print(gndo, p,l2info.length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 783 | return l2info.header_len; |
| 784 | #endif |
| 785 | case JUNIPER_LSQ_L3_PROTO_MPLS: |
| 786 | mpls_print(p,l2info.length); |
| 787 | return l2info.header_len; |
| 788 | case JUNIPER_LSQ_L3_PROTO_ISO: |
| 789 | isoclns_print(p,l2info.length,l2info.caplen); |
| 790 | return l2info.header_len; |
| 791 | default: |
| 792 | break; |
| 793 | } |
| 794 | |
| 795 | /* zero length cookie ? */ |
| 796 | switch (EXTRACT_16BITS(&l2info.cookie)) { |
| 797 | case PPP_OSI: |
| 798 | ppp_print(p-2,l2info.length+2); |
| 799 | break; |
| 800 | case (PPP_ADDRESS << 8 | PPP_CONTROL): /* fall through */ |
| 801 | default: |
| 802 | ppp_print(p,l2info.length); |
| 803 | break; |
| 804 | } |
| 805 | |
| 806 | return l2info.header_len; |
| 807 | } |
| 808 | #endif |
| 809 | |
| 810 | |
| 811 | #ifdef DLT_JUNIPER_MFR |
| 812 | u_int |
| 813 | juniper_mfr_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 814 | { |
| 815 | struct juniper_l2info_t l2info; |
| 816 | |
| 817 | l2info.pictype = DLT_JUNIPER_MFR; |
| 818 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 819 | return l2info.header_len; |
| 820 | |
| 821 | p+=l2info.header_len; |
| 822 | |
| 823 | /* child-link ? */ |
| 824 | if (l2info.cookie_len == 0) { |
| 825 | mfr_print(p,l2info.length); |
| 826 | return l2info.header_len; |
| 827 | } |
| 828 | |
| 829 | /* first try the LSQ protos */ |
| 830 | if (l2info.cookie_len == AS_PIC_COOKIE_LEN) { |
| 831 | switch(l2info.proto) { |
| 832 | case JUNIPER_LSQ_L3_PROTO_IPV4: |
| 833 | ip_print(gndo, p, l2info.length); |
| 834 | return l2info.header_len; |
| 835 | #ifdef INET6 |
| 836 | case JUNIPER_LSQ_L3_PROTO_IPV6: |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 837 | ip6_print(gndo, p,l2info.length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 838 | return l2info.header_len; |
| 839 | #endif |
| 840 | case JUNIPER_LSQ_L3_PROTO_MPLS: |
| 841 | mpls_print(p,l2info.length); |
| 842 | return l2info.header_len; |
| 843 | case JUNIPER_LSQ_L3_PROTO_ISO: |
| 844 | isoclns_print(p,l2info.length,l2info.caplen); |
| 845 | return l2info.header_len; |
| 846 | default: |
| 847 | break; |
| 848 | } |
| 849 | return l2info.header_len; |
| 850 | } |
| 851 | |
| 852 | /* suppress Bundle-ID if frame was captured on a child-link */ |
| 853 | if (eflag && EXTRACT_32BITS(l2info.cookie) != 1) printf("Bundle-ID %u, ",l2info.bundle); |
| 854 | switch (l2info.proto) { |
| 855 | case (LLCSAP_ISONS<<8 | LLCSAP_ISONS): |
| 856 | isoclns_print(p+1, l2info.length-1, l2info.caplen-1); |
| 857 | break; |
| 858 | case (LLC_UI<<8 | NLPID_Q933): |
| 859 | case (LLC_UI<<8 | NLPID_IP): |
| 860 | case (LLC_UI<<8 | NLPID_IP6): |
| 861 | /* pass IP{4,6} to the OSI layer for proper link-layer printing */ |
| 862 | isoclns_print(p-1, l2info.length+1, l2info.caplen+1); |
| 863 | break; |
| 864 | default: |
| 865 | printf("unknown protocol 0x%04x, length %u",l2info.proto, l2info.length); |
| 866 | } |
| 867 | |
| 868 | return l2info.header_len; |
| 869 | } |
| 870 | #endif |
| 871 | |
| 872 | #ifdef DLT_JUNIPER_MLFR |
| 873 | u_int |
| 874 | juniper_mlfr_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 875 | { |
| 876 | struct juniper_l2info_t l2info; |
| 877 | |
| 878 | l2info.pictype = DLT_JUNIPER_MLFR; |
| 879 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 880 | return l2info.header_len; |
| 881 | |
| 882 | p+=l2info.header_len; |
| 883 | |
| 884 | /* suppress Bundle-ID if frame was captured on a child-link */ |
| 885 | if (eflag && EXTRACT_32BITS(l2info.cookie) != 1) printf("Bundle-ID %u, ",l2info.bundle); |
| 886 | switch (l2info.proto) { |
| 887 | case (LLC_UI): |
| 888 | case (LLC_UI<<8): |
| 889 | isoclns_print(p, l2info.length, l2info.caplen); |
| 890 | break; |
| 891 | case (LLC_UI<<8 | NLPID_Q933): |
| 892 | case (LLC_UI<<8 | NLPID_IP): |
| 893 | case (LLC_UI<<8 | NLPID_IP6): |
| 894 | /* pass IP{4,6} to the OSI layer for proper link-layer printing */ |
| 895 | isoclns_print(p-1, l2info.length+1, l2info.caplen+1); |
| 896 | break; |
| 897 | default: |
| 898 | printf("unknown protocol 0x%04x, length %u",l2info.proto, l2info.length); |
| 899 | } |
| 900 | |
| 901 | return l2info.header_len; |
| 902 | } |
| 903 | #endif |
| 904 | |
| 905 | /* |
| 906 | * ATM1 PIC cookie format |
| 907 | * |
| 908 | * +-----+-------------------------+-------------------------------+ |
| 909 | * |fmtid| vc index | channel ID | |
| 910 | * +-----+-------------------------+-------------------------------+ |
| 911 | */ |
| 912 | |
| 913 | #ifdef DLT_JUNIPER_ATM1 |
| 914 | u_int |
| 915 | juniper_atm1_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 916 | { |
| 917 | u_int16_t extracted_ethertype; |
| 918 | |
| 919 | struct juniper_l2info_t l2info; |
| 920 | |
| 921 | l2info.pictype = DLT_JUNIPER_ATM1; |
| 922 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 923 | return l2info.header_len; |
| 924 | |
| 925 | p+=l2info.header_len; |
| 926 | |
| 927 | if (l2info.cookie[0] == 0x80) { /* OAM cell ? */ |
| 928 | oam_print(p,l2info.length,ATM_OAM_NOHEC); |
| 929 | return l2info.header_len; |
| 930 | } |
| 931 | |
| 932 | if (EXTRACT_24BITS(p) == 0xfefe03 || /* NLPID encaps ? */ |
| 933 | EXTRACT_24BITS(p) == 0xaaaa03) { /* SNAP encaps ? */ |
| 934 | |
| 935 | if (llc_print(p, l2info.length, l2info.caplen, NULL, NULL, |
| 936 | &extracted_ethertype) != 0) |
| 937 | return l2info.header_len; |
| 938 | } |
| 939 | |
| 940 | if (p[0] == 0x03) { /* Cisco style NLPID encaps ? */ |
| 941 | isoclns_print(p + 1, l2info.length - 1, l2info.caplen - 1); |
| 942 | /* FIXME check if frame was recognized */ |
| 943 | return l2info.header_len; |
| 944 | } |
| 945 | |
| 946 | if(ip_heuristic_guess(p, l2info.length) != 0) /* last try - vcmux encaps ? */ |
| 947 | return l2info.header_len; |
| 948 | |
| 949 | return l2info.header_len; |
| 950 | } |
| 951 | #endif |
| 952 | |
| 953 | /* |
| 954 | * ATM2 PIC cookie format |
| 955 | * |
| 956 | * +-------------------------------+---------+---+-----+-----------+ |
| 957 | * | channel ID | reserv |AAL| CCRQ| gap cnt | |
| 958 | * +-------------------------------+---------+---+-----+-----------+ |
| 959 | */ |
| 960 | |
| 961 | #ifdef DLT_JUNIPER_ATM2 |
| 962 | u_int |
| 963 | juniper_atm2_print(const struct pcap_pkthdr *h, register const u_char *p) |
| 964 | { |
| 965 | u_int16_t extracted_ethertype; |
| 966 | |
| 967 | struct juniper_l2info_t l2info; |
| 968 | |
| 969 | l2info.pictype = DLT_JUNIPER_ATM2; |
| 970 | if(juniper_parse_header(p, h, &l2info) == 0) |
| 971 | return l2info.header_len; |
| 972 | |
| 973 | p+=l2info.header_len; |
| 974 | |
| 975 | if (l2info.cookie[7] & ATM2_PKT_TYPE_MASK) { /* OAM cell ? */ |
| 976 | oam_print(p,l2info.length,ATM_OAM_NOHEC); |
| 977 | return l2info.header_len; |
| 978 | } |
| 979 | |
| 980 | if (EXTRACT_24BITS(p) == 0xfefe03 || /* NLPID encaps ? */ |
| 981 | EXTRACT_24BITS(p) == 0xaaaa03) { /* SNAP encaps ? */ |
| 982 | |
| 983 | if (llc_print(p, l2info.length, l2info.caplen, NULL, NULL, |
| 984 | &extracted_ethertype) != 0) |
| 985 | return l2info.header_len; |
| 986 | } |
| 987 | |
| 988 | if (l2info.direction != JUNIPER_BPF_PKT_IN && /* ether-over-1483 encaps ? */ |
| 989 | (EXTRACT_32BITS(l2info.cookie) & ATM2_GAP_COUNT_MASK)) { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 990 | ether_print(gndo, p, l2info.length, l2info.caplen, NULL, NULL); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 991 | return l2info.header_len; |
| 992 | } |
| 993 | |
| 994 | if (p[0] == 0x03) { /* Cisco style NLPID encaps ? */ |
| 995 | isoclns_print(p + 1, l2info.length - 1, l2info.caplen - 1); |
| 996 | /* FIXME check if frame was recognized */ |
| 997 | return l2info.header_len; |
| 998 | } |
| 999 | |
| 1000 | if(juniper_ppp_heuristic_guess(p, l2info.length) != 0) /* PPPoA vcmux encaps ? */ |
| 1001 | return l2info.header_len; |
| 1002 | |
| 1003 | if(ip_heuristic_guess(p, l2info.length) != 0) /* last try - vcmux encaps ? */ |
| 1004 | return l2info.header_len; |
| 1005 | |
| 1006 | return l2info.header_len; |
| 1007 | } |
| 1008 | #endif |
| 1009 | |
| 1010 | |
| 1011 | /* try to guess, based on all PPP protos that are supported in |
| 1012 | * a juniper router if the payload data is encapsulated using PPP */ |
| 1013 | int |
| 1014 | juniper_ppp_heuristic_guess(register const u_char *p, u_int length) { |
| 1015 | |
| 1016 | switch(EXTRACT_16BITS(p)) { |
| 1017 | case PPP_IP : |
| 1018 | case PPP_OSI : |
| 1019 | case PPP_MPLS_UCAST : |
| 1020 | case PPP_MPLS_MCAST : |
| 1021 | case PPP_IPCP : |
| 1022 | case PPP_OSICP : |
| 1023 | case PPP_MPLSCP : |
| 1024 | case PPP_LCP : |
| 1025 | case PPP_PAP : |
| 1026 | case PPP_CHAP : |
| 1027 | case PPP_ML : |
| 1028 | #ifdef INET6 |
| 1029 | case PPP_IPV6 : |
| 1030 | case PPP_IPV6CP : |
| 1031 | #endif |
| 1032 | ppp_print(p, length); |
| 1033 | break; |
| 1034 | |
| 1035 | default: |
| 1036 | return 0; /* did not find a ppp header */ |
| 1037 | break; |
| 1038 | } |
| 1039 | return 1; /* we printed a ppp packet */ |
| 1040 | } |
| 1041 | |
| 1042 | int |
| 1043 | ip_heuristic_guess(register const u_char *p, u_int length) { |
| 1044 | |
| 1045 | switch(p[0]) { |
| 1046 | case 0x45: |
| 1047 | case 0x46: |
| 1048 | case 0x47: |
| 1049 | case 0x48: |
| 1050 | case 0x49: |
| 1051 | case 0x4a: |
| 1052 | case 0x4b: |
| 1053 | case 0x4c: |
| 1054 | case 0x4d: |
| 1055 | case 0x4e: |
| 1056 | case 0x4f: |
| 1057 | ip_print(gndo, p, length); |
| 1058 | break; |
| 1059 | #ifdef INET6 |
| 1060 | case 0x60: |
| 1061 | case 0x61: |
| 1062 | case 0x62: |
| 1063 | case 0x63: |
| 1064 | case 0x64: |
| 1065 | case 0x65: |
| 1066 | case 0x66: |
| 1067 | case 0x67: |
| 1068 | case 0x68: |
| 1069 | case 0x69: |
| 1070 | case 0x6a: |
| 1071 | case 0x6b: |
| 1072 | case 0x6c: |
| 1073 | case 0x6d: |
| 1074 | case 0x6e: |
| 1075 | case 0x6f: |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1076 | ip6_print(gndo, p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1077 | break; |
| 1078 | #endif |
| 1079 | default: |
| 1080 | return 0; /* did not find a ip header */ |
| 1081 | break; |
| 1082 | } |
| 1083 | return 1; /* we printed an v4/v6 packet */ |
| 1084 | } |
| 1085 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1086 | int |
| 1087 | juniper_read_tlv_value(const u_char *p, u_int tlv_type, u_int tlv_len) { |
| 1088 | |
| 1089 | int tlv_value; |
| 1090 | |
| 1091 | /* TLVs < 128 are little endian encoded */ |
| 1092 | if (tlv_type < 128) { |
| 1093 | switch (tlv_len) { |
| 1094 | case 1: |
| 1095 | tlv_value = *p; |
| 1096 | break; |
| 1097 | case 2: |
| 1098 | tlv_value = EXTRACT_LE_16BITS(p); |
| 1099 | break; |
| 1100 | case 3: |
| 1101 | tlv_value = EXTRACT_LE_24BITS(p); |
| 1102 | break; |
| 1103 | case 4: |
| 1104 | tlv_value = EXTRACT_LE_32BITS(p); |
| 1105 | break; |
| 1106 | default: |
| 1107 | tlv_value = -1; |
| 1108 | break; |
| 1109 | } |
| 1110 | } else { |
| 1111 | /* TLVs >= 128 are big endian encoded */ |
| 1112 | switch (tlv_len) { |
| 1113 | case 1: |
| 1114 | tlv_value = *p; |
| 1115 | break; |
| 1116 | case 2: |
| 1117 | tlv_value = EXTRACT_16BITS(p); |
| 1118 | break; |
| 1119 | case 3: |
| 1120 | tlv_value = EXTRACT_24BITS(p); |
| 1121 | break; |
| 1122 | case 4: |
| 1123 | tlv_value = EXTRACT_32BITS(p); |
| 1124 | break; |
| 1125 | default: |
| 1126 | tlv_value = -1; |
| 1127 | break; |
| 1128 | } |
| 1129 | } |
| 1130 | return tlv_value; |
| 1131 | } |
| 1132 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1133 | static int |
| 1134 | juniper_parse_header (const u_char *p, const struct pcap_pkthdr *h, struct juniper_l2info_t *l2info) { |
| 1135 | |
| 1136 | struct juniper_cookie_table_t *lp = juniper_cookie_table; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1137 | u_int idx, jnx_ext_len, jnx_header_len = 0; |
| 1138 | u_int8_t tlv_type,tlv_len; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1139 | u_int32_t control_word; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1140 | int tlv_value; |
| 1141 | const u_char *tptr; |
| 1142 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1143 | |
| 1144 | l2info->header_len = 0; |
| 1145 | l2info->cookie_len = 0; |
| 1146 | l2info->proto = 0; |
| 1147 | |
| 1148 | |
| 1149 | l2info->length = h->len; |
| 1150 | l2info->caplen = h->caplen; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1151 | TCHECK2(p[0],4); |
| 1152 | l2info->flags = p[3]; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1153 | l2info->direction = p[3]&JUNIPER_BPF_PKT_IN; |
| 1154 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1155 | if (EXTRACT_24BITS(p) != JUNIPER_MGC_NUMBER) { /* magic number found ? */ |
| 1156 | printf("no magic-number found!"); |
| 1157 | return 0; |
| 1158 | } |
| 1159 | |
| 1160 | if (eflag) /* print direction */ |
| 1161 | printf("%3s ",tok2str(juniper_direction_values,"---",l2info->direction)); |
| 1162 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1163 | /* magic number + flags */ |
| 1164 | jnx_header_len = 4; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1165 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1166 | if (vflag>1) |
| 1167 | printf("\n\tJuniper PCAP Flags [%s]", |
| 1168 | bittok2str(jnx_flag_values, "none", l2info->flags)); |
| 1169 | |
| 1170 | /* extensions present ? - calculate how much bytes to skip */ |
| 1171 | if ((l2info->flags & JUNIPER_BPF_EXT ) == JUNIPER_BPF_EXT ) { |
| 1172 | |
| 1173 | tptr = p+jnx_header_len; |
| 1174 | |
| 1175 | /* ok to read extension length ? */ |
| 1176 | TCHECK2(tptr[0], 2); |
| 1177 | jnx_ext_len = EXTRACT_16BITS(tptr); |
| 1178 | jnx_header_len += 2; |
| 1179 | tptr +=2; |
| 1180 | |
| 1181 | /* nail up the total length - |
| 1182 | * just in case something goes wrong |
| 1183 | * with TLV parsing */ |
| 1184 | jnx_header_len += jnx_ext_len; |
| 1185 | |
| 1186 | if (vflag>1) |
| 1187 | printf(", PCAP Extension(s) total length %u", |
| 1188 | jnx_ext_len); |
| 1189 | |
| 1190 | TCHECK2(tptr[0], jnx_ext_len); |
| 1191 | while (jnx_ext_len > JUNIPER_EXT_TLV_OVERHEAD) { |
| 1192 | tlv_type = *(tptr++); |
| 1193 | tlv_len = *(tptr++); |
| 1194 | tlv_value = 0; |
| 1195 | |
| 1196 | /* sanity check */ |
| 1197 | if (tlv_type == 0 || tlv_len == 0) |
| 1198 | break; |
| 1199 | |
| 1200 | if (vflag>1) |
| 1201 | printf("\n\t %s Extension TLV #%u, length %u, value ", |
| 1202 | tok2str(jnx_ext_tlv_values,"Unknown",tlv_type), |
| 1203 | tlv_type, |
| 1204 | tlv_len); |
| 1205 | |
| 1206 | tlv_value = juniper_read_tlv_value(tptr, tlv_type, tlv_len); |
| 1207 | switch (tlv_type) { |
| 1208 | case JUNIPER_EXT_TLV_IFD_NAME: |
| 1209 | /* FIXME */ |
| 1210 | break; |
| 1211 | case JUNIPER_EXT_TLV_IFD_MEDIATYPE: |
| 1212 | case JUNIPER_EXT_TLV_TTP_IFD_MEDIATYPE: |
| 1213 | if (tlv_value != -1) { |
| 1214 | if (vflag>1) |
| 1215 | printf("%s (%u)", |
| 1216 | tok2str(juniper_ifmt_values, "Unknown", tlv_value), |
| 1217 | tlv_value); |
| 1218 | } |
| 1219 | break; |
| 1220 | case JUNIPER_EXT_TLV_IFL_ENCAPS: |
| 1221 | case JUNIPER_EXT_TLV_TTP_IFL_ENCAPS: |
| 1222 | if (tlv_value != -1) { |
| 1223 | if (vflag>1) |
| 1224 | printf("%s (%u)", |
| 1225 | tok2str(juniper_ifle_values, "Unknown", tlv_value), |
| 1226 | tlv_value); |
| 1227 | } |
| 1228 | break; |
| 1229 | case JUNIPER_EXT_TLV_IFL_IDX: /* fall through */ |
| 1230 | case JUNIPER_EXT_TLV_IFL_UNIT: |
| 1231 | case JUNIPER_EXT_TLV_IFD_IDX: |
| 1232 | default: |
| 1233 | if (tlv_value != -1) { |
| 1234 | if (vflag>1) |
| 1235 | printf("%u",tlv_value); |
| 1236 | } |
| 1237 | break; |
| 1238 | } |
| 1239 | |
| 1240 | tptr+=tlv_len; |
| 1241 | jnx_ext_len -= tlv_len+JUNIPER_EXT_TLV_OVERHEAD; |
| 1242 | } |
| 1243 | |
| 1244 | if (vflag>1) |
| 1245 | printf("\n\t-----original packet-----\n\t"); |
| 1246 | } |
| 1247 | |
| 1248 | if ((l2info->flags & JUNIPER_BPF_NO_L2 ) == JUNIPER_BPF_NO_L2 ) { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1249 | if (eflag) |
| 1250 | printf("no-L2-hdr, "); |
| 1251 | |
| 1252 | /* there is no link-layer present - |
| 1253 | * perform the v4/v6 heuristics |
| 1254 | * to figure out what it is |
| 1255 | */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1256 | TCHECK2(p[jnx_header_len+4],1); |
| 1257 | if(ip_heuristic_guess(p+jnx_header_len+4,l2info->length-(jnx_header_len+4)) == 0) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1258 | printf("no IP-hdr found!"); |
| 1259 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1260 | l2info->header_len=jnx_header_len+4; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1261 | return 0; /* stop parsing the output further */ |
| 1262 | |
| 1263 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1264 | l2info->header_len = jnx_header_len; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1265 | p+=l2info->header_len; |
| 1266 | l2info->length -= l2info->header_len; |
| 1267 | l2info->caplen -= l2info->header_len; |
| 1268 | |
| 1269 | /* search through the cookie table and copy values matching for our PIC type */ |
| 1270 | while (lp->s != NULL) { |
| 1271 | if (lp->pictype == l2info->pictype) { |
| 1272 | |
| 1273 | l2info->cookie_len += lp->cookie_len; |
| 1274 | |
| 1275 | switch (p[0]) { |
| 1276 | case LS_COOKIE_ID: |
| 1277 | l2info->cookie_type = LS_COOKIE_ID; |
| 1278 | l2info->cookie_len += 2; |
| 1279 | break; |
| 1280 | case AS_COOKIE_ID: |
| 1281 | l2info->cookie_type = AS_COOKIE_ID; |
| 1282 | l2info->cookie_len = 8; |
| 1283 | break; |
| 1284 | |
| 1285 | default: |
| 1286 | l2info->bundle = l2info->cookie[0]; |
| 1287 | break; |
| 1288 | } |
| 1289 | |
| 1290 | |
| 1291 | #ifdef DLT_JUNIPER_MFR |
| 1292 | /* MFR child links don't carry cookies */ |
| 1293 | if (l2info->pictype == DLT_JUNIPER_MFR && |
| 1294 | (p[0] & MFR_BE_MASK) == MFR_BE_MASK) { |
| 1295 | l2info->cookie_len = 0; |
| 1296 | } |
| 1297 | #endif |
| 1298 | |
| 1299 | l2info->header_len += l2info->cookie_len; |
| 1300 | l2info->length -= l2info->cookie_len; |
| 1301 | l2info->caplen -= l2info->cookie_len; |
| 1302 | |
| 1303 | if (eflag) |
| 1304 | printf("%s-PIC, cookie-len %u", |
| 1305 | lp->s, |
| 1306 | l2info->cookie_len); |
| 1307 | |
| 1308 | if (l2info->cookie_len > 0) { |
| 1309 | TCHECK2(p[0],l2info->cookie_len); |
| 1310 | if (eflag) |
| 1311 | printf(", cookie 0x"); |
| 1312 | for (idx = 0; idx < l2info->cookie_len; idx++) { |
| 1313 | l2info->cookie[idx] = p[idx]; /* copy cookie data */ |
| 1314 | if (eflag) printf("%02x",p[idx]); |
| 1315 | } |
| 1316 | } |
| 1317 | |
| 1318 | if (eflag) printf(": "); /* print demarc b/w L2/L3*/ |
| 1319 | |
| 1320 | |
| 1321 | l2info->proto = EXTRACT_16BITS(p+l2info->cookie_len); |
| 1322 | break; |
| 1323 | } |
| 1324 | ++lp; |
| 1325 | } |
| 1326 | p+=l2info->cookie_len; |
| 1327 | |
| 1328 | /* DLT_ specific parsing */ |
| 1329 | switch(l2info->pictype) { |
| 1330 | #ifdef DLT_JUNIPER_MLPPP |
| 1331 | case DLT_JUNIPER_MLPPP: |
| 1332 | switch (l2info->cookie_type) { |
| 1333 | case LS_COOKIE_ID: |
| 1334 | l2info->bundle = l2info->cookie[1]; |
| 1335 | break; |
| 1336 | case AS_COOKIE_ID: |
| 1337 | l2info->bundle = (EXTRACT_16BITS(&l2info->cookie[6])>>3)&0xfff; |
| 1338 | l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK; |
| 1339 | break; |
| 1340 | default: |
| 1341 | l2info->bundle = l2info->cookie[0]; |
| 1342 | break; |
| 1343 | } |
| 1344 | break; |
| 1345 | #endif |
| 1346 | #ifdef DLT_JUNIPER_MLFR |
| 1347 | case DLT_JUNIPER_MLFR: |
| 1348 | switch (l2info->cookie_type) { |
| 1349 | case LS_COOKIE_ID: |
| 1350 | l2info->bundle = l2info->cookie[1]; |
| 1351 | l2info->proto = EXTRACT_16BITS(p); |
| 1352 | l2info->header_len += 2; |
| 1353 | l2info->length -= 2; |
| 1354 | l2info->caplen -= 2; |
| 1355 | break; |
| 1356 | case AS_COOKIE_ID: |
| 1357 | l2info->bundle = (EXTRACT_16BITS(&l2info->cookie[6])>>3)&0xfff; |
| 1358 | l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK; |
| 1359 | break; |
| 1360 | default: |
| 1361 | l2info->bundle = l2info->cookie[0]; |
| 1362 | l2info->header_len += 2; |
| 1363 | l2info->length -= 2; |
| 1364 | l2info->caplen -= 2; |
| 1365 | break; |
| 1366 | } |
| 1367 | break; |
| 1368 | #endif |
| 1369 | #ifdef DLT_JUNIPER_MFR |
| 1370 | case DLT_JUNIPER_MFR: |
| 1371 | switch (l2info->cookie_type) { |
| 1372 | case LS_COOKIE_ID: |
| 1373 | l2info->bundle = l2info->cookie[1]; |
| 1374 | l2info->proto = EXTRACT_16BITS(p); |
| 1375 | l2info->header_len += 2; |
| 1376 | l2info->length -= 2; |
| 1377 | l2info->caplen -= 2; |
| 1378 | break; |
| 1379 | case AS_COOKIE_ID: |
| 1380 | l2info->bundle = (EXTRACT_16BITS(&l2info->cookie[6])>>3)&0xfff; |
| 1381 | l2info->proto = (l2info->cookie[5])&JUNIPER_LSQ_L3_PROTO_MASK; |
| 1382 | break; |
| 1383 | default: |
| 1384 | l2info->bundle = l2info->cookie[0]; |
| 1385 | break; |
| 1386 | } |
| 1387 | break; |
| 1388 | #endif |
| 1389 | #ifdef DLT_JUNIPER_ATM2 |
| 1390 | case DLT_JUNIPER_ATM2: |
| 1391 | TCHECK2(p[0],4); |
| 1392 | /* ATM cell relay control word present ? */ |
| 1393 | if (l2info->cookie[7] & ATM2_PKT_TYPE_MASK) { |
| 1394 | control_word = EXTRACT_32BITS(p); |
| 1395 | /* some control word heuristics */ |
| 1396 | switch(control_word) { |
| 1397 | case 0: /* zero control word */ |
| 1398 | case 0x08000000: /* < JUNOS 7.4 control-word */ |
| 1399 | case 0x08380000: /* cntl word plus cell length (56) >= JUNOS 7.4*/ |
| 1400 | l2info->header_len += 4; |
| 1401 | break; |
| 1402 | default: |
| 1403 | break; |
| 1404 | } |
| 1405 | |
| 1406 | if (eflag) |
| 1407 | printf("control-word 0x%08x ", control_word); |
| 1408 | } |
| 1409 | break; |
| 1410 | #endif |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1411 | #ifdef DLT_JUNIPER_GGSN |
| 1412 | case DLT_JUNIPER_GGSN: |
| 1413 | break; |
| 1414 | #endif |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1415 | #ifdef DLT_JUNIPER_ATM1 |
| 1416 | case DLT_JUNIPER_ATM1: |
| 1417 | break; |
| 1418 | #endif |
| 1419 | #ifdef DLT_JUNIPER_PPP |
| 1420 | case DLT_JUNIPER_PPP: |
| 1421 | break; |
| 1422 | #endif |
| 1423 | #ifdef DLT_JUNIPER_CHDLC |
| 1424 | case DLT_JUNIPER_CHDLC: |
| 1425 | break; |
| 1426 | #endif |
| 1427 | #ifdef DLT_JUNIPER_ETHER |
| 1428 | case DLT_JUNIPER_ETHER: |
| 1429 | break; |
| 1430 | #endif |
| 1431 | #ifdef DLT_JUNIPER_FRELAY |
| 1432 | case DLT_JUNIPER_FRELAY: |
| 1433 | break; |
| 1434 | #endif |
| 1435 | |
| 1436 | default: |
| 1437 | printf("Unknown Juniper DLT_ type %u: ", l2info->pictype); |
| 1438 | break; |
| 1439 | } |
| 1440 | |
| 1441 | if (eflag > 1) |
| 1442 | printf("hlen %u, proto 0x%04x, ",l2info->header_len,l2info->proto); |
| 1443 | |
| 1444 | return 1; /* everything went ok so far. continue parsing */ |
| 1445 | trunc: |
| 1446 | printf("[|juniper_hdr], length %u",h->len); |
| 1447 | return 0; |
| 1448 | } |
| 1449 | |
| 1450 | |
| 1451 | /* |
| 1452 | * Local Variables: |
| 1453 | * c-style: whitesmith |
| 1454 | * c-basic-offset: 4 |
| 1455 | * End: |
| 1456 | */ |