| File: | plugins/epan/wimaxasncp/packet-wimaxasncp.c |
| Warning: | line 2224, column 5 Value stored to 'item' is never read |
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| 1 | /* packet-wimaxasncp.c |
| 2 | * |
| 3 | * Routines for WiMAX ASN Control Plane packet dissection dissection |
| 4 | * |
| 5 | * Copyright 2007, Mobile Metrics - http://www.mobilemetrics.net |
| 6 | * |
| 7 | * Author: Stephen Croll <croll@mobilemetrics.net> |
| 8 | * |
| 9 | * Wireshark - Network traffic analyzer |
| 10 | * By Gerald Combs <gerald@wireshark.org> |
| 11 | * Copyright 1998 Gerald Combs |
| 12 | * |
| 13 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 14 | */ |
| 15 | |
| 16 | |
| 17 | #include "config.h" |
| 18 | |
| 19 | #include <stdio.h> |
| 20 | #include <stdlib.h> |
| 21 | |
| 22 | #include <epan/packet.h> |
| 23 | #include <epan/prefs.h> |
| 24 | #include <epan/sminmpec.h> |
| 25 | #include <epan/addr_resolv.h> |
| 26 | #include <epan/ipproto.h> |
| 27 | #include <epan/expert.h> |
| 28 | #include <epan/eap.h> |
| 29 | |
| 30 | #include <wsutil/filesystem.h> |
| 31 | #include <wsutil/report_message.h> |
| 32 | #include <wsutil/ws_padding_to.h> |
| 33 | #include <wsutil/strtoi.h> |
| 34 | #include <libxml/tree.h> |
| 35 | #include <libxml/parser.h> |
| 36 | #include <libxml/xpath.h> |
| 37 | |
| 38 | |
| 39 | /* Forward declarations we need below */ |
| 40 | void proto_register_wimaxasncp(void); |
| 41 | void proto_reg_handoff_wimaxasncp(void); |
| 42 | |
| 43 | /* Initialize the protocol and registered fields */ |
| 44 | static int proto_wimaxasncp; |
| 45 | static int hf_wimaxasncp_version; |
| 46 | static int hf_wimaxasncp_flags; |
| 47 | static int hf_wimaxasncp_flags_r; |
| 48 | static int hf_wimaxasncp_flags_t; |
| 49 | static int hf_wimaxasncp_flags_reserved; |
| 50 | static int hf_wimaxasncp_function_type; |
| 51 | static int hf_wimaxasncp_op_id; |
| 52 | static int hf_wimaxasncp_message_type; |
| 53 | static int hf_wimaxasncp_length; |
| 54 | static int hf_wimaxasncp_msid; |
| 55 | static int hf_wimaxasncp_reserved1; |
| 56 | static int hf_wimaxasncp_transaction_id; |
| 57 | static int hf_wimaxasncp_reserved2; |
| 58 | /* static int hf_wimaxasncp_tlv; */ |
| 59 | static int hf_wimaxasncp_tlv_type; |
| 60 | static int hf_wimaxasncp_tlv_length; |
| 61 | static int hf_wimaxasncp_tlv_value_bytes; |
| 62 | static int hf_wimaxasncp_tlv_value_bitflags8; |
| 63 | static int hf_wimaxasncp_tlv_value_bitflags16; |
| 64 | static int hf_wimaxasncp_tlv_value_bitflags32; |
| 65 | |
| 66 | /* Preferences */ |
| 67 | static bool_Bool show_transaction_id_d_bit; |
| 68 | |
| 69 | /* Default WiMAX ASN control protocol port */ |
| 70 | #define WIMAXASNCP_DEF_UDP_PORT2231 2231 |
| 71 | |
| 72 | |
| 73 | /* Initialize the subtree pointers */ |
| 74 | static int ett_wimaxasncp; |
| 75 | static int ett_wimaxasncp_flags; |
| 76 | static int ett_wimaxasncp_tlv; |
| 77 | static int ett_wimaxasncp_tlv_value_bitflags8; |
| 78 | static int ett_wimaxasncp_tlv_value_bitflags16; |
| 79 | static int ett_wimaxasncp_tlv_value_bitflags32; |
| 80 | static int ett_wimaxasncp_tlv_protocol_list; |
| 81 | static int ett_wimaxasncp_tlv_port_range_list; |
| 82 | static int ett_wimaxasncp_tlv_ip_address_mask_list; |
| 83 | static int ett_wimaxasncp_tlv_ip_address_mask; |
| 84 | static int ett_wimaxasncp_tlv_eap; |
| 85 | static int ett_wimaxasncp_tlv_vendor_specific_information_field; |
| 86 | static int ett_wimaxasncp_port_range; |
| 87 | |
| 88 | static expert_field ei_wimaxasncp_tlv_type; |
| 89 | static expert_field ei_wimaxasncp_function_type; |
| 90 | static expert_field ei_wimaxasncp_op_id; |
| 91 | static expert_field ei_wimaxasncp_decoder; |
| 92 | static expert_field ei_wimaxasncp_message_type; |
| 93 | static expert_field ei_wimaxasncp_length_bad; |
| 94 | |
| 95 | /* Header size, up to, but not including, the TLV fields. */ |
| 96 | #define WIMAXASNCP_HEADER_SIZE20 20 |
| 97 | |
| 98 | /* Offset to end of the length field in the header. */ |
| 99 | #define WIMAXASNCP_HEADER_LENGTH_END6 6 |
| 100 | |
| 101 | typedef struct { |
| 102 | wmem_array_t* hf; |
| 103 | wmem_array_t* ett; |
| 104 | } wimaxasncp_build_dict_t; |
| 105 | |
| 106 | typedef struct _wimaxasncp_tlv_new_t { |
| 107 | uint16_t type; |
| 108 | char* name; |
| 109 | char* description; |
| 110 | int decoder; |
| 111 | unsigned since; |
| 112 | int hf_root; |
| 113 | int hf_value; |
| 114 | int hf_ipv4; |
| 115 | int hf_ipv6; |
| 116 | int hf_bsid; |
| 117 | int hf_protocol; |
| 118 | int hf_port_low; |
| 119 | int hf_port_high; |
| 120 | int hf_ipv4_mask; |
| 121 | int hf_ipv6_mask; |
| 122 | int hf_vendor_id; |
| 123 | int hf_vendor_rest_of_info; |
| 124 | value_string* enum_vs; |
| 125 | } wimaxasncp_tlv_new_t; |
| 126 | |
| 127 | wmem_list_t* wimaxasncp_tlvs = NULL((void*)0); |
| 128 | |
| 129 | wimaxasncp_build_dict_t wimaxasncp_build_dict; |
| 130 | |
| 131 | static dissector_handle_t wimaxasncp_handle; |
| 132 | static dissector_handle_t eap_handle; |
| 133 | |
| 134 | /* ------------------------------------------------------------------------- |
| 135 | * NWG versions |
| 136 | * ------------------------------------------------------------------------- */ |
| 137 | |
| 138 | #define WIMAXASNCP_NWGVER_R10_V1000 0 |
| 139 | #define WIMAXASNCP_NWGVER_R10_V1201 1 |
| 140 | #define WIMAXASNCP_NWGVER_R10_V1212 2 |
| 141 | #define WIMAXASNCP_NWGVER_NUM3 3 |
| 142 | |
| 143 | /* ------------------------------------------------------------------------- |
| 144 | * decode types |
| 145 | * ------------------------------------------------------------------------- */ |
| 146 | |
| 147 | enum |
| 148 | { |
| 149 | WIMAXASNCP_TLV_UNKNOWN, |
| 150 | WIMAXASNCP_TLV_TBD, |
| 151 | WIMAXASNCP_TLV_COMPOUND, |
| 152 | WIMAXASNCP_TLV_BYTES, |
| 153 | WIMAXASNCP_TLV_ENUM8, |
| 154 | WIMAXASNCP_TLV_ENUM16, |
| 155 | WIMAXASNCP_TLV_ENUM32, |
| 156 | WIMAXASNCP_TLV_ETHER, |
| 157 | WIMAXASNCP_TLV_ASCII_STRING, |
| 158 | WIMAXASNCP_TLV_FLAG0, |
| 159 | WIMAXASNCP_TLV_BITFLAGS8, |
| 160 | WIMAXASNCP_TLV_BITFLAGS16, |
| 161 | WIMAXASNCP_TLV_BITFLAGS32, |
| 162 | WIMAXASNCP_TLV_ID, |
| 163 | WIMAXASNCP_TLV_HEX8, |
| 164 | WIMAXASNCP_TLV_HEX16, |
| 165 | WIMAXASNCP_TLV_HEX32, |
| 166 | WIMAXASNCP_TLV_DEC8, |
| 167 | WIMAXASNCP_TLV_DEC16, |
| 168 | WIMAXASNCP_TLV_DEC32, |
| 169 | WIMAXASNCP_TLV_IP_ADDRESS, /* Note: IPv4 or IPv6, determined by length */ |
| 170 | WIMAXASNCP_TLV_IPV4_ADDRESS, |
| 171 | WIMAXASNCP_TLV_PROTOCOL_LIST, |
| 172 | WIMAXASNCP_TLV_PORT_RANGE_LIST, |
| 173 | WIMAXASNCP_TLV_IP_ADDRESS_MASK_LIST, |
| 174 | WIMAXASNCP_TLV_EAP, |
| 175 | WIMAXASNCP_TLV_VENDOR_SPECIFIC |
| 176 | }; |
| 177 | |
| 178 | static int* const hf_wimaxasncp_flag_fields[] = { |
| 179 | &hf_wimaxasncp_flags_r, |
| 180 | &hf_wimaxasncp_flags_t, |
| 181 | &hf_wimaxasncp_flags_reserved, |
| 182 | NULL((void*)0), |
| 183 | }; |
| 184 | |
| 185 | |
| 186 | /* ------------------------------------------------------------------------- */ |
| 187 | |
| 188 | static const value_string wimaxasncp_op_id_vals[] = |
| 189 | { |
| 190 | { 0, "Invalid"}, |
| 191 | { 1, "Request/Initiation"}, |
| 192 | { 2, "Response"}, |
| 193 | { 3, "Ack"}, |
| 194 | { 4, "Indication"}, |
| 195 | { 5, "Reserved"}, |
| 196 | { 6, "Reserved"}, |
| 197 | { 7, "Reserved"}, |
| 198 | { 0, NULL((void*)0)} |
| 199 | }; |
| 200 | |
| 201 | /* ------------------------------------------------------------------------- */ |
| 202 | |
| 203 | #define WIMAXASNCP_FT_QOS1 1 |
| 204 | #define WIMAXASNCP_FT_HO_CONTROL2 2 |
| 205 | #define WIMAXASNCP_FT_DATA_PATH_CONTROL3 3 |
| 206 | #define WIMAXASNCP_FT_CONTEXT_TRANSFER4 4 |
| 207 | #define WIMAXASNCP_FT_R3_MOBILITY5 5 |
| 208 | #define WIMAXASNCP_FT_PAGING6 6 |
| 209 | #define WIMAXASNCP_FT_RRM7 7 |
| 210 | #define WIMAXASNCP_FT_AUTHENTICATION8 8 |
| 211 | #define WIMAXASNCP_FT_MS_STATE9 9 |
| 212 | #define WIMAXASNCP_FT_REAUTHENTICATION10 10 |
| 213 | /* since NWG R1 V1.2.0 */ |
| 214 | #define WIMAXASNCP_FT_IM_OPERATIONS10 10 |
| 215 | /* since NWG R1 V1.2.1 */ |
| 216 | #define WIMAXASNCP_FT_ACCOUNTING11 11 |
| 217 | |
| 218 | /* ------------------------------------------------------------------------- */ |
| 219 | |
| 220 | /* struct to hold a value_string tuple, per version */ |
| 221 | typedef struct _ver_value_string |
| 222 | { |
| 223 | uint32_t since; |
| 224 | value_string vs; |
| 225 | } ver_value_string; |
| 226 | |
| 227 | static const ver_value_string wimaxasncp_function_type_vals[] = |
| 228 | { |
| 229 | {0, { WIMAXASNCP_FT_QOS1, "QoS"}}, |
| 230 | {0, { WIMAXASNCP_FT_HO_CONTROL2, "HO Control"}}, |
| 231 | {0, { WIMAXASNCP_FT_DATA_PATH_CONTROL3, "Data Path Control"}}, |
| 232 | {0, { WIMAXASNCP_FT_CONTEXT_TRANSFER4, "Context Transfer"}}, |
| 233 | {0, { WIMAXASNCP_FT_R3_MOBILITY5, "R3 Mobility"}}, |
| 234 | {0, { WIMAXASNCP_FT_PAGING6, "Paging"}}, |
| 235 | {0, { WIMAXASNCP_FT_RRM7, "RRM"}}, |
| 236 | {0, { WIMAXASNCP_FT_AUTHENTICATION8, "Authentication Relay"}}, |
| 237 | {0, { WIMAXASNCP_FT_MS_STATE9, "MS State"}}, |
| 238 | {0, { WIMAXASNCP_FT_REAUTHENTICATION10, "Re-Authentication"}}, |
| 239 | {WIMAXASNCP_NWGVER_R10_V1201, {WIMAXASNCP_FT_IM_OPERATIONS10, "IM Operations"}}, |
| 240 | {WIMAXASNCP_NWGVER_R10_V1212, { WIMAXASNCP_FT_ACCOUNTING11, "Accounting"}}, |
| 241 | {0, { 0, NULL((void*)0)}} |
| 242 | }; |
| 243 | |
| 244 | /* ------------------------------------------------------------------------- */ |
| 245 | |
| 246 | static const ver_value_string wimaxasncp_qos_msg_vals[] = |
| 247 | { |
| 248 | {0,{ 1, "RR_Req"}}, |
| 249 | {0,{ 2, "RR_Rsp"}}, |
| 250 | {0,{ 3, "RR_Ack"}}, |
| 251 | {0,{ 0, NULL((void*)0)}} |
| 252 | }; |
| 253 | |
| 254 | /* ------------------------------------------------------------------------- */ |
| 255 | |
| 256 | static const ver_value_string wimaxasncp_ho_control_msg_vals[] = |
| 257 | { |
| 258 | {0, { 1, "HO_Ack"}}, |
| 259 | {0, { 2, "HO_Complete"}}, |
| 260 | {0, { 3, "HO_Cnf"}}, |
| 261 | {0, { 4, "HO_Req"}}, |
| 262 | {0, { 5, "HO_Rsp"}}, |
| 263 | {WIMAXASNCP_NWGVER_R10_V1201, { 1, "HO_Req"}}, |
| 264 | {WIMAXASNCP_NWGVER_R10_V1201, { 2, "HO_Rsp"}}, |
| 265 | {WIMAXASNCP_NWGVER_R10_V1201, { 3, "HO_Ack"}}, |
| 266 | {WIMAXASNCP_NWGVER_R10_V1201, { 4, "HO_Cnf"}}, |
| 267 | {WIMAXASNCP_NWGVER_R10_V1201, { 5, "HO_Complete"}}, |
| 268 | {WIMAXASNCP_NWGVER_R10_V1201, { 6, "HO_Directive"}}, |
| 269 | {WIMAXASNCP_NWGVER_R10_V1201, { 7, "HO_Directive_Rsp"}}, |
| 270 | {0, { 0, NULL((void*)0)}} |
| 271 | }; |
| 272 | |
| 273 | /* ------------------------------------------------------------------------- */ |
| 274 | |
| 275 | static const ver_value_string wimaxasncp_data_path_control_msg_vals[] = |
| 276 | { |
| 277 | {0, { 1, "Path_Dereg_Ack"}}, |
| 278 | {0, { 2, "Path_Dereg_Req"}}, |
| 279 | {0, { 3, "Path_Dereg_Rsp"}}, |
| 280 | {0, { 4, "Path_Modification_Ack"}}, |
| 281 | {0, { 5, "Path_Modification_Req"}}, |
| 282 | {0, { 6, "Path_Modification_Rsp"}}, |
| 283 | {0, { 7, "Path_Prereg_Ack"}}, |
| 284 | {0, { 8, "Path_Prereg_Req"}}, |
| 285 | {0, { 9, "Path_Prereg_Rsp"}}, |
| 286 | {0, { 10, "Path_Reg_Ack"}}, |
| 287 | {0, { 11, "Path_Reg_Req"}}, |
| 288 | {0, { 12, "Path_Reg_Rsp"}}, |
| 289 | {0, { 13, "MS_Attachment_Req"}}, |
| 290 | {0, { 14, "MS_Attachment_Rsp"}}, |
| 291 | {0, { 15, "MS_Attachment_Ack"}}, |
| 292 | {0, { 16, "Key_Change_Directive"}}, |
| 293 | {WIMAXASNCP_NWGVER_R10_V1201, { 1, "Path_Dereg_Req"}}, |
| 294 | {WIMAXASNCP_NWGVER_R10_V1201, { 2, "Path_Dereg_Rsp"}}, |
| 295 | {WIMAXASNCP_NWGVER_R10_V1201, { 3, "Path_Dereg_Ack"}}, |
| 296 | {WIMAXASNCP_NWGVER_R10_V1201, { 4, "Path_Modification_Req"}}, |
| 297 | {WIMAXASNCP_NWGVER_R10_V1201, { 5, "Path_Modification_Rsp"}}, |
| 298 | {WIMAXASNCP_NWGVER_R10_V1201, { 6, "Path_Modification_Ack"}}, |
| 299 | {WIMAXASNCP_NWGVER_R10_V1201, { 7, "Path_Prereg_Req"}}, |
| 300 | {WIMAXASNCP_NWGVER_R10_V1201, { 8, "Path_Prereg_Rsp"}}, |
| 301 | {WIMAXASNCP_NWGVER_R10_V1201, { 9, "Path_Prereg_Ack"}}, |
| 302 | {WIMAXASNCP_NWGVER_R10_V1201, { 10, "Path_Reg_Req"}}, |
| 303 | {WIMAXASNCP_NWGVER_R10_V1201, { 11, "Path_Reg_Rsp"}}, |
| 304 | {WIMAXASNCP_NWGVER_R10_V1201, { 12, "Path_Reg_Ack"}}, |
| 305 | {WIMAXASNCP_NWGVER_R10_V1201, { 13, "Obsolete"}}, |
| 306 | {WIMAXASNCP_NWGVER_R10_V1201, { 14, "Obsolete"}}, |
| 307 | {WIMAXASNCP_NWGVER_R10_V1201, { 15, "Obsolete"}}, |
| 308 | {WIMAXASNCP_NWGVER_R10_V1201, { 16, "Obsolete"}}, |
| 309 | {0, { 0, NULL((void*)0)}} |
| 310 | }; |
| 311 | |
| 312 | /* ------------------------------------------------------------------------- */ |
| 313 | |
| 314 | static const ver_value_string wimaxasncp_context_transfer_msg_vals[] = |
| 315 | { |
| 316 | {0, { 1, "Context_Rpt"}}, |
| 317 | {0, { 2, "Context_Req"}}, |
| 318 | {0, { 3, "Context_Ack"}}, |
| 319 | {WIMAXASNCP_NWGVER_R10_V1201, { 1, "Context_Req"}}, |
| 320 | {WIMAXASNCP_NWGVER_R10_V1201, { 2, "Context_Rpt"}}, |
| 321 | {WIMAXASNCP_NWGVER_R10_V1201, { 4, "CMAC_Key_Count_Update"}}, |
| 322 | {WIMAXASNCP_NWGVER_R10_V1201, { 5, "CMAC_Key_Count_Update_ACK"}}, |
| 323 | {WIMAXASNCP_NWGVER_R10_V1201, { 6, "CMAC_Key_Count_Req"}}, |
| 324 | {WIMAXASNCP_NWGVER_R10_V1201, { 7, "CMAC_Key_Count_Rsp"}}, |
| 325 | {WIMAXASNCP_NWGVER_R10_V1201, { 8, "Prepaid Request"}}, |
| 326 | {WIMAXASNCP_NWGVER_R10_V1201, { 9, "Prepaid Notify"}}, |
| 327 | {WIMAXASNCP_NWGVER_R10_V1212, { 6, "VOID"}}, |
| 328 | {WIMAXASNCP_NWGVER_R10_V1212, { 7, "VOID"}}, |
| 329 | {WIMAXASNCP_NWGVER_R10_V1212, { 0, NULL((void*)0)}} |
| 330 | }; |
| 331 | |
| 332 | /* ------------------------------------------------------------------------- */ |
| 333 | |
| 334 | static const ver_value_string wimaxasncp_r3_mobility_msg_vals[] = |
| 335 | { |
| 336 | {0, { 1, "Anchor_DPF_HO_Req"}}, |
| 337 | {0, { 2, "Anchor_DPF_HO_Trigger"}}, |
| 338 | {0, { 3, "Anchor_DPF_HO_Rsp"}}, |
| 339 | {0, { 4, "Anchor_DPF_Relocate_Req"}}, |
| 340 | {0, { 5, "FA_Register_Req"}}, |
| 341 | {0, { 6, "FA_Register_Rsp"}}, |
| 342 | {0, { 7, "Anchor_DPF_Relocate_Rsp"}}, |
| 343 | {0, { 8, "FA_Revoke_Req"}}, |
| 344 | {0, { 9, "FA_Revoke_Rsp"}}, |
| 345 | {WIMAXASNCP_NWGVER_R10_V1201, { 5, "Anchor_DPF_Relocate_Rsp"}}, |
| 346 | {WIMAXASNCP_NWGVER_R10_V1201, { 6, "FA_Register_Req"}}, |
| 347 | {WIMAXASNCP_NWGVER_R10_V1201, { 7, "FA_Register_Rsp"}}, |
| 348 | {WIMAXASNCP_NWGVER_R10_V1201, { 10, "Anchor_DPF_Release_Req"}}, |
| 349 | {WIMAXASNCP_NWGVER_R10_V1201, { 11, "Relocation_Ready_Req"}}, |
| 350 | {WIMAXASNCP_NWGVER_R10_V1201, { 12, "Relocation_Ready_Rsp"}}, |
| 351 | {0, { 0, NULL((void*)0)}} |
| 352 | }; |
| 353 | |
| 354 | /* ------------------------------------------------------------------------- */ |
| 355 | |
| 356 | static const ver_value_string wimaxasncp_paging_msg_vals[] = |
| 357 | { |
| 358 | {0, { 1, "Initiate_Paging_Req"}}, |
| 359 | {0, { 2, "Initiate_Paging_Rsp"}}, |
| 360 | {0, { 3, "LU_Cnf"}}, |
| 361 | {0, { 4, "LU_Req"}}, |
| 362 | {0, { 5, "LU_Rsp"}}, |
| 363 | {0, { 6, "Paging_Announce"}}, |
| 364 | {0, { 7, "CMAC_Key_Count_Req"}}, |
| 365 | {0, { 8, "CMAC_Key_Count_Rsp"}}, |
| 366 | {WIMAXASNCP_NWGVER_R10_V1201, { 1, "Paging_Announce"}}, |
| 367 | {WIMAXASNCP_NWGVER_R10_V1201, { 2, "Delete_MS_Entry_Req"}}, |
| 368 | {WIMAXASNCP_NWGVER_R10_V1201, { 3, "PC_Relocation_Ind"}}, |
| 369 | {WIMAXASNCP_NWGVER_R10_V1201, { 4, "PC_Relocation_Ack"}}, |
| 370 | {WIMAXASNCP_NWGVER_R10_V1201, { 5, "Obsolete"}}, |
| 371 | {WIMAXASNCP_NWGVER_R10_V1201, { 6, "Obsolete"}}, |
| 372 | {WIMAXASNCP_NWGVER_R10_V1201, { 7, "Obsolete"}}, |
| 373 | {WIMAXASNCP_NWGVER_R10_V1201, { 8, "Obsolete"}}, |
| 374 | {0, { 0, NULL((void*)0)}} |
| 375 | }; |
| 376 | |
| 377 | /* ------------------------------------------------------------------------- */ |
| 378 | |
| 379 | static const ver_value_string wimaxasncp_rrm_msg_vals[] = |
| 380 | { |
| 381 | {0, { 1, "R6 PHY_Parameters_Req"}}, |
| 382 | {0, { 2, "R6 PHY_Parameters_Rpt"}}, |
| 383 | {0, { 3, "R4/R6 Spare_Capacity_Req"}}, |
| 384 | {0, { 4, "R4/R6 Spare_Capacity_Rpt"}}, |
| 385 | {0, { 5, "R6 Neighbor_BS_Resource_Status_Update"}}, |
| 386 | {0, { 6, "R4/R6 Radio_Config_Update_Req"}}, |
| 387 | {0, { 7, "R4/R6 Radio_Config_Update_Rpt"}}, |
| 388 | {WIMAXASNCP_NWGVER_R10_V1201, { 8, "R4/R6 Radio_Config_Update_Ack"}}, |
| 389 | {0, { 0, NULL((void*)0)}} |
| 390 | }; |
| 391 | |
| 392 | /* ------------------------------------------------------------------------- */ |
| 393 | |
| 394 | static const ver_value_string wimaxasncp_authentication_msg_vals[] = |
| 395 | { |
| 396 | {0, { 1, "AR_Authenticated_Eap_Start"}}, |
| 397 | {0, { 2, "AR_Authenticated_EAP_Transfer"}}, |
| 398 | {0, { 3, "AR_Eap_Start"}}, |
| 399 | {0, { 4, "AR_EAP_Transfer"}}, |
| 400 | {0, { 5, "AR_EAP_Complete"}}, |
| 401 | {WIMAXASNCP_NWGVER_R10_V1201, { 1, "AR_EAP_Start"}}, |
| 402 | {WIMAXASNCP_NWGVER_R10_V1201, { 2, "AR_EAP_Transfer"}}, |
| 403 | {WIMAXASNCP_NWGVER_R10_V1201, { 3, "Bulk_Interim_Update"}}, |
| 404 | {WIMAXASNCP_NWGVER_R10_V1201, { 4, "Bulk_Interim_Update_Ack"}}, |
| 405 | {WIMAXASNCP_NWGVER_R10_V1201, { 5, "Obsolete"}}, |
| 406 | {0, { 0, NULL((void*)0)}} |
| 407 | }; |
| 408 | |
| 409 | /* ------------------------------------------------------------------------- */ |
| 410 | |
| 411 | static const ver_value_string wimaxasncp_ms_state_msg_vals[] = |
| 412 | { |
| 413 | {0, { 1, "IM_Entry_State_Change_Req"}}, |
| 414 | {0, { 2, "IM_Entry_State_Change_Rsp"}}, |
| 415 | {0, { 3, "IM_Exit_State_Change_Req"}}, |
| 416 | {0, { 4, "IM_Exit_State_Change_Rsp"}}, |
| 417 | {0, { 5, "NW_ReEntry_State_Change_Directive"}}, |
| 418 | {0, { 6, "MS_PreAttachment_Req"}}, |
| 419 | {0, { 7, "MS_PreAttachment_Rsp"}}, |
| 420 | {0, { 8, "MS_PreAttachment_Ack"}}, |
| 421 | {WIMAXASNCP_NWGVER_R10_V1201, { 1, "MS_PreAttachment_Req"}}, |
| 422 | {WIMAXASNCP_NWGVER_R10_V1201, { 2, "MS_PreAttachment_Rsp"}}, |
| 423 | {WIMAXASNCP_NWGVER_R10_V1201, { 3, "MS_PreAttachment_Ack"}}, |
| 424 | {WIMAXASNCP_NWGVER_R10_V1201, { 4, "MS_Attachment_Req"}}, |
| 425 | {WIMAXASNCP_NWGVER_R10_V1201, { 5, "MS_Attachment_Rsp"}}, |
| 426 | {WIMAXASNCP_NWGVER_R10_V1201, { 6, "MS_Attachment_Ack"}}, |
| 427 | {WIMAXASNCP_NWGVER_R10_V1201, { 7, "Key_Change_Directive"}}, |
| 428 | {WIMAXASNCP_NWGVER_R10_V1201, { 8, "Key_Change_Cnf"}}, |
| 429 | {WIMAXASNCP_NWGVER_R10_V1201, { 9, "Key_Change_Ack"}}, |
| 430 | {WIMAXASNCP_NWGVER_R10_V1201, { 10, "Relocation_Complete_Req"}}, |
| 431 | {WIMAXASNCP_NWGVER_R10_V1201, { 11, "Relocation_Complete_Rsp"}}, |
| 432 | {WIMAXASNCP_NWGVER_R10_V1201, { 12, "Relocation_Complete_Ack"}}, |
| 433 | {WIMAXASNCP_NWGVER_R10_V1201, { 13, "Relocation_Notify"}}, |
| 434 | {WIMAXASNCP_NWGVER_R10_V1201, { 14, "Relocation_Req"}}, |
| 435 | {WIMAXASNCP_NWGVER_R10_V1201, { 15, "Relocation_Rsp"}}, |
| 436 | {WIMAXASNCP_NWGVER_R10_V1201, { 16, "NetExit_MS_State_Change_Req"}}, |
| 437 | {WIMAXASNCP_NWGVER_R10_V1201, { 17, "NetExit_MS_State_Change_Rsp"}}, |
| 438 | {0, { 0, NULL((void*)0)}} |
| 439 | }; |
| 440 | |
| 441 | /* ------------------------------------------------------------------------- */ |
| 442 | |
| 443 | /* note - function type 10-im_operation, was once used for re-authentication */ |
| 444 | static const ver_value_string wimaxasncp_im_operations_msg_vals[] = |
| 445 | { |
| 446 | {0, { 1, "AR_EAP_Start"}}, |
| 447 | {0, { 2, "Key_Change_Directive"}}, |
| 448 | {0, { 3, "Key_Change_Cnf"}}, |
| 449 | {0, { 4, "Relocation_Cnf"}}, |
| 450 | {0, { 5, "Relocation_Confirm_Ack"}}, |
| 451 | {0, { 6, "Relocation_Notify"}}, |
| 452 | {0, { 7, "Relocation_Notify_Ack"}}, |
| 453 | {0, { 8, "Relocation_Req"}}, |
| 454 | {0, { 9, "Relocation_Rsp"}}, |
| 455 | {WIMAXASNCP_NWGVER_R10_V1201, { 1, "IM_Entry_State_Change_Req"}}, |
| 456 | {WIMAXASNCP_NWGVER_R10_V1201, { 2, "IM_Entry_State_Change_Rsp"}}, |
| 457 | {WIMAXASNCP_NWGVER_R10_V1201, { 3, "IM_Entry_State_Change_Ack"}}, |
| 458 | {WIMAXASNCP_NWGVER_R10_V1201, { 4, "IM_Exit_State_Change_Req"}}, |
| 459 | {WIMAXASNCP_NWGVER_R10_V1201, { 5, "IM_Exit_State_Change_Rsp"}}, |
| 460 | {WIMAXASNCP_NWGVER_R10_V1201, { 6, "Initiate_Paging_Req"}}, |
| 461 | {WIMAXASNCP_NWGVER_R10_V1201, { 7, "Initiate_Paging_Rsp"}}, |
| 462 | {WIMAXASNCP_NWGVER_R10_V1201, { 8, "LU_Req"}}, |
| 463 | {WIMAXASNCP_NWGVER_R10_V1201, { 9, "LU_Rsp"}}, |
| 464 | {WIMAXASNCP_NWGVER_R10_V1201, { 10, "LU_Cnf"}}, |
| 465 | {0, { 0, NULL((void*)0)}} |
| 466 | }; |
| 467 | |
| 468 | /* ------------------------------------------------------------------------- */ |
| 469 | |
| 470 | static const ver_value_string wimaxasncp_accounting_msg_vals_r1v121[] = |
| 471 | { |
| 472 | {WIMAXASNCP_NWGVER_R10_V1212, { 1, "Hot_lining_Req"}}, |
| 473 | {WIMAXASNCP_NWGVER_R10_V1212, { 2, "Hot_lining_Rsp"}}, |
| 474 | {0, { 0, NULL((void*)0)}} |
| 475 | }; |
| 476 | |
| 477 | /* ------------------------------------------------------------------------- */ |
| 478 | |
| 479 | /* supported NWG versions */ |
| 480 | static const enum_val_t wimaxasncp_nwg_versions[] = { |
| 481 | { "R1.0_v1.0.0", "Release 1.0, Version 1.0.0", WIMAXASNCP_NWGVER_R10_V1000 }, |
| 482 | { "R1.0_v1.2.0", "Release 1.0, Version 1.2.0", WIMAXASNCP_NWGVER_R10_V1201 }, |
| 483 | { "R1.0_v1.2.1", "Release 1.0, Version 1.2.1", WIMAXASNCP_NWGVER_R10_V1212 }, |
| 484 | { NULL((void*)0), NULL((void*)0), 0 } |
| 485 | }; |
| 486 | |
| 487 | /* ------------------------------------------------------------------------- */ |
| 488 | |
| 489 | /* NWG version */ |
| 490 | #define WIMAXASNCP_DEF_NWGVER2 WIMAXASNCP_NWGVER_R10_V1212 |
| 491 | static unsigned global_wimaxasncp_nwg_ver = WIMAXASNCP_DEF_NWGVER2; |
| 492 | |
| 493 | /* ========================================================================= */ |
| 494 | |
| 495 | typedef struct { |
| 496 | uint8_t function_type; |
| 497 | const ver_value_string *vals; |
| 498 | } wimaxasncp_func_msg_t; |
| 499 | |
| 500 | /* ------------------------------------------------------------------------ */ |
| 501 | |
| 502 | static const wimaxasncp_func_msg_t wimaxasncp_func_to_msg_vals_map[] = |
| 503 | { |
| 504 | { WIMAXASNCP_FT_QOS1, wimaxasncp_qos_msg_vals }, |
| 505 | { WIMAXASNCP_FT_HO_CONTROL2, wimaxasncp_ho_control_msg_vals }, |
| 506 | { WIMAXASNCP_FT_DATA_PATH_CONTROL3, wimaxasncp_data_path_control_msg_vals }, |
| 507 | { WIMAXASNCP_FT_CONTEXT_TRANSFER4, wimaxasncp_context_transfer_msg_vals }, |
| 508 | { WIMAXASNCP_FT_R3_MOBILITY5, wimaxasncp_r3_mobility_msg_vals }, |
| 509 | { WIMAXASNCP_FT_PAGING6, wimaxasncp_paging_msg_vals }, |
| 510 | { WIMAXASNCP_FT_RRM7, wimaxasncp_rrm_msg_vals }, |
| 511 | { WIMAXASNCP_FT_AUTHENTICATION8, wimaxasncp_authentication_msg_vals }, |
| 512 | { WIMAXASNCP_FT_MS_STATE9, wimaxasncp_ms_state_msg_vals }, |
| 513 | { WIMAXASNCP_FT_IM_OPERATIONS10, wimaxasncp_im_operations_msg_vals }, |
| 514 | { WIMAXASNCP_FT_ACCOUNTING11, wimaxasncp_accounting_msg_vals_r1v121 } |
| 515 | }; |
| 516 | |
| 517 | /* ========================================================================= */ |
| 518 | |
| 519 | static wimaxasncp_tlv_new_t wimaxasncp_tlv_not_found = |
| 520 | { |
| 521 | 0, "Unknown", NULL((void*)0), WIMAXASNCP_TLV_UNKNOWN, 0, |
| 522 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 523 | NULL((void*)0) |
| 524 | }; |
| 525 | |
| 526 | |
| 527 | typedef struct { |
| 528 | wimaxasncp_tlv_new_t* res; |
| 529 | uint16_t type; |
| 530 | } wimaxasncp_find_tlv_info_data_t; |
| 531 | |
| 532 | static void |
| 533 | wimaxasncp_find_tlv_info(void* data, void* user_data) |
| 534 | { |
| 535 | wimaxasncp_find_tlv_info_data_t* info_data = (wimaxasncp_find_tlv_info_data_t*)user_data; |
| 536 | wimaxasncp_tlv_new_t* tlv = (wimaxasncp_tlv_new_t*)data; |
| 537 | |
| 538 | if (tlv->type == info_data->type) |
| 539 | { |
| 540 | /* if the TLV is defined for current NWG version */ |
| 541 | if (tlv->since <= global_wimaxasncp_nwg_ver) |
| 542 | { |
| 543 | /* if the current TLV is newer then last found TLV, save it */ |
| 544 | if ((info_data->res == NULL((void*)0)) || (tlv->since > info_data->res->since)) |
| 545 | { |
| 546 | info_data->res = tlv; |
| 547 | } |
| 548 | } |
| 549 | } |
| 550 | } |
| 551 | |
| 552 | static const wimaxasncp_tlv_new_t* wimaxasncp_get_tlv_info(uint16_t type) |
| 553 | { |
| 554 | wimaxasncp_find_tlv_info_data_t data = {NULL((void*)0), type }; |
| 555 | wmem_list_foreach(wimaxasncp_tlvs, wimaxasncp_find_tlv_info, &data); |
| 556 | |
| 557 | if (data.res) |
| 558 | return data.res; |
| 559 | |
| 560 | return &wimaxasncp_tlv_not_found; |
| 561 | } |
| 562 | |
| 563 | /* ========================================================================= */ |
| 564 | |
| 565 | static const char* |
| 566 | wimaxasncp_get_enum_name(const wimaxasncp_tlv_new_t* tlv_info, uint32_t code) |
| 567 | { |
| 568 | if (tlv_info->enum_vs) |
| 569 | return val_to_str_const(code, tlv_info->enum_vs, "Unknown"); |
| 570 | |
| 571 | return "Unknown"; |
| 572 | } |
| 573 | |
| 574 | /* ========================================================================= */ |
| 575 | |
| 576 | static const value_string wimaxasncp_decode_type_vals[] = |
| 577 | { |
| 578 | { WIMAXASNCP_TLV_UNKNOWN, "WIMAXASNCP_TLV_UNKNOWN"}, |
| 579 | { WIMAXASNCP_TLV_TBD, "WIMAXASNCP_TLV_TBD"}, |
| 580 | { WIMAXASNCP_TLV_COMPOUND, "WIMAXASNCP_TLV_COMPOUND"}, |
| 581 | { WIMAXASNCP_TLV_BYTES, "WIMAXASNCP_TLV_BYTES"}, |
| 582 | { WIMAXASNCP_TLV_ENUM8, "WIMAXASNCP_TLV_ENUM8"}, |
| 583 | { WIMAXASNCP_TLV_ENUM16, "WIMAXASNCP_TLV_ENUM16"}, |
| 584 | { WIMAXASNCP_TLV_ENUM32, "WIMAXASNCP_TLV_ENUM32"}, |
| 585 | { WIMAXASNCP_TLV_ETHER, "WIMAXASNCP_TLV_ETHER"}, |
| 586 | { WIMAXASNCP_TLV_ASCII_STRING, "WIMAXASNCP_TLV_ASCII_STRING"}, |
| 587 | { WIMAXASNCP_TLV_FLAG0, "WIMAXASNCP_TLV_FLAG0"}, |
| 588 | { WIMAXASNCP_TLV_BITFLAGS8, "WIMAXASNCP_TLV_BITFLAGS8"}, |
| 589 | { WIMAXASNCP_TLV_BITFLAGS16, "WIMAXASNCP_TLV_BITFLAGS16"}, |
| 590 | { WIMAXASNCP_TLV_BITFLAGS32, "WIMAXASNCP_TLV_BITFLAGS32"}, |
| 591 | { WIMAXASNCP_TLV_ID, "WIMAXASNCP_TLV_ID"}, |
| 592 | { WIMAXASNCP_TLV_HEX8, "WIMAXASNCP_TLV_HEX8"}, |
| 593 | { WIMAXASNCP_TLV_HEX16, "WIMAXASNCP_TLV_HEX16"}, |
| 594 | { WIMAXASNCP_TLV_HEX32, "WIMAXASNCP_TLV_HEX32"}, |
| 595 | { WIMAXASNCP_TLV_DEC8, "WIMAXASNCP_TLV_DEC8"}, |
| 596 | { WIMAXASNCP_TLV_DEC16, "WIMAXASNCP_TLV_DEC16"}, |
| 597 | { WIMAXASNCP_TLV_DEC32, "WIMAXASNCP_TLV_DEC32"}, |
| 598 | { WIMAXASNCP_TLV_IP_ADDRESS, "WIMAXASNCP_TLV_IP_ADDRESS"}, |
| 599 | { WIMAXASNCP_TLV_IPV4_ADDRESS, "WIMAXASNCP_TLV_IPV4_ADDRESS"}, |
| 600 | { WIMAXASNCP_TLV_PROTOCOL_LIST, "WIMAXASNCP_TLV_PROTOCOL_LIST"}, |
| 601 | { WIMAXASNCP_TLV_PORT_RANGE_LIST, "WIMAXASNCP_TLV_PORT_RANGE_LIST"}, |
| 602 | { WIMAXASNCP_TLV_IP_ADDRESS_MASK_LIST, "WIMAXASNCP_TLV_IP_ADDRESS_MASK_LIST"}, |
| 603 | { WIMAXASNCP_TLV_EAP, "WIMAXASNCP_TLV_EAP"}, |
| 604 | { WIMAXASNCP_TLV_VENDOR_SPECIFIC, "WIMAXASNCP_TLV_VENDOR_SPECIFIC"}, |
| 605 | { 0, NULL((void*)0)} |
| 606 | }; |
| 607 | |
| 608 | /* ========================================================================= */ |
| 609 | |
| 610 | static void wimaxasncp_proto_tree_add_tlv_ipv4_value( |
| 611 | packet_info *pinfo, |
| 612 | tvbuff_t *tvb, |
| 613 | proto_tree *tree, |
| 614 | proto_item *tlv_item, |
| 615 | unsigned offset, |
| 616 | const wimaxasncp_tlv_new_t* tlv_info) |
| 617 | { |
| 618 | int hf_value; |
| 619 | uint32_t ip; |
| 620 | const char *addr_res; |
| 621 | |
| 622 | if (tlv_info->hf_ipv4 > 0) |
| 623 | { |
| 624 | hf_value = tlv_info->hf_ipv4; |
| 625 | } |
| 626 | else |
| 627 | { |
| 628 | hf_value = tlv_info->hf_value; |
| 629 | } |
| 630 | |
| 631 | ip = tvb_get_ipv4(tvb, offset); |
| 632 | addr_res = tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_IPv4, offset); |
| 633 | |
| 634 | proto_tree_add_ipv4_format( |
| 635 | tree, hf_value, |
| 636 | tvb, offset, 4, ip, |
| 637 | "Value: %s", addr_res); |
| 638 | |
| 639 | proto_item_append_text( |
| 640 | tlv_item, " - %s", addr_res); |
| 641 | } |
| 642 | |
| 643 | /* ========================================================================= */ |
| 644 | |
| 645 | static void wimaxasncp_proto_tree_add_tlv_ipv6_value( |
| 646 | packet_info *pinfo, |
| 647 | tvbuff_t *tvb, |
| 648 | proto_tree *tree, |
| 649 | proto_item *tlv_item, |
| 650 | unsigned offset, |
| 651 | const wimaxasncp_tlv_new_t* tlv_info) |
| 652 | { |
| 653 | int hf_value; |
| 654 | ws_in6_addr ip; |
| 655 | const char *addr_res; |
| 656 | |
| 657 | if (tlv_info->hf_ipv4 > 0) |
| 658 | { |
| 659 | hf_value = tlv_info->hf_ipv6; |
| 660 | } |
| 661 | else |
| 662 | { |
| 663 | hf_value = tlv_info->hf_value; |
| 664 | } |
| 665 | |
| 666 | tvb_get_ipv6(tvb, offset, &ip); |
| 667 | addr_res = tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_IPv6, offset); |
| 668 | |
| 669 | proto_tree_add_ipv6_format( |
| 670 | tree, hf_value, |
| 671 | tvb, offset, 16, &ip, |
| 672 | "Value: %s", addr_res); |
| 673 | |
| 674 | proto_item_append_text( |
| 675 | tlv_item, " - %s", addr_res); |
| 676 | } |
| 677 | |
| 678 | /* ========================================================================= */ |
| 679 | |
| 680 | static void wimaxasncp_proto_tree_add_ether_value( |
| 681 | packet_info *pinfo, |
| 682 | tvbuff_t *tvb, |
| 683 | proto_tree *tree, |
| 684 | proto_item *tlv_item, |
| 685 | unsigned offset, |
| 686 | unsigned length, |
| 687 | const wimaxasncp_tlv_new_t* tlv_info) |
| 688 | { |
| 689 | int hf_value; |
| 690 | const uint8_t *p; |
| 691 | const char *ether_name; |
| 692 | |
| 693 | if (tlv_info->hf_bsid > 0) |
| 694 | { |
| 695 | hf_value = tlv_info->hf_bsid; |
| 696 | } |
| 697 | else |
| 698 | { |
| 699 | hf_value = tlv_info->hf_value; |
| 700 | } |
| 701 | |
| 702 | p = tvb_get_ptr(tvb, offset, length); |
| 703 | ether_name = tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, offset); |
| 704 | |
| 705 | proto_tree_add_ether_format( |
| 706 | tree, hf_value, |
| 707 | tvb, offset, length, p, |
| 708 | "Value: %s", |
| 709 | ether_name); |
| 710 | |
| 711 | proto_item_append_text( |
| 712 | tlv_item, " - %s", |
| 713 | ether_name); |
| 714 | } |
| 715 | |
| 716 | /* ========================================================================= */ |
| 717 | |
| 718 | static void wimaxasncp_dissect_tlv_value( |
| 719 | tvbuff_t *tvb, |
| 720 | packet_info *pinfo, |
| 721 | proto_tree *tree, |
| 722 | proto_item *tlv_item, |
| 723 | const wimaxasncp_tlv_new_t* tlv_info) |
| 724 | { |
| 725 | unsigned offset = 0; |
| 726 | unsigned length; |
| 727 | const unsigned max_show_bytes = 24; /* arbitrary */ |
| 728 | static const char *hex_note = "[hex]"; |
| 729 | |
| 730 | length = tvb_reported_length(tvb); |
| 731 | |
| 732 | switch (tlv_info->decoder) |
| 733 | { |
| 734 | case WIMAXASNCP_TLV_ENUM8: |
| 735 | { |
| 736 | if (length != 1) |
| 737 | { |
| 738 | /* encoding error */ |
| 739 | break; |
| 740 | } |
| 741 | |
| 742 | if (tree) |
| 743 | { |
| 744 | uint8_t value; |
| 745 | const char *s; |
| 746 | |
| 747 | value = tvb_get_uint8(tvb, offset); |
| 748 | |
| 749 | s = wimaxasncp_get_enum_name(tlv_info, value); |
| 750 | |
| 751 | proto_tree_add_uint_format( |
| 752 | tree, tlv_info->hf_value, |
| 753 | tvb, offset, length, value, |
| 754 | "Value: %s (%u)", s, value); |
| 755 | |
| 756 | proto_item_append_text(tlv_item, " - %s", s); |
| 757 | } |
| 758 | |
| 759 | return; |
| 760 | } |
| 761 | case WIMAXASNCP_TLV_ENUM16: |
| 762 | { |
| 763 | if (length != 2) |
| 764 | { |
| 765 | /* encoding error */ |
| 766 | break; |
| 767 | } |
| 768 | |
| 769 | if (tree) |
| 770 | { |
| 771 | uint16_t value; |
| 772 | const char *s; |
| 773 | |
| 774 | value = tvb_get_ntohs(tvb, offset); |
| 775 | |
| 776 | s = wimaxasncp_get_enum_name(tlv_info, value); |
| 777 | |
| 778 | proto_tree_add_uint_format( |
| 779 | tree, tlv_info->hf_value, |
| 780 | tvb, offset, length, value, |
| 781 | "Value: %s (%u)", s, value); |
| 782 | |
| 783 | proto_item_append_text(tlv_item, " - %s", s); |
| 784 | } |
| 785 | |
| 786 | return; |
| 787 | } |
| 788 | case WIMAXASNCP_TLV_ENUM32: |
| 789 | { |
| 790 | if (length != 4) |
| 791 | { |
| 792 | /* encoding error */ |
| 793 | break; |
| 794 | } |
| 795 | |
| 796 | if (tree) |
| 797 | { |
| 798 | uint32_t value; |
| 799 | const char *s; |
| 800 | |
| 801 | value = tvb_get_ntohl(tvb, offset); |
| 802 | |
| 803 | s = wimaxasncp_get_enum_name(tlv_info, value); |
| 804 | |
| 805 | proto_tree_add_uint_format( |
| 806 | tree, tlv_info->hf_value, |
| 807 | tvb, offset, length, value, |
| 808 | "Value: %s (%u)", s, value); |
| 809 | |
| 810 | proto_item_append_text(tlv_item, " - %s", s); |
| 811 | } |
| 812 | |
| 813 | return; |
| 814 | } |
| 815 | case WIMAXASNCP_TLV_ETHER: |
| 816 | { |
| 817 | if (length != 6) |
| 818 | { |
| 819 | /* encoding error */ |
| 820 | break; |
| 821 | } |
| 822 | |
| 823 | if (tree) |
| 824 | { |
| 825 | wimaxasncp_proto_tree_add_ether_value( |
| 826 | pinfo, tvb, tree, tlv_item, offset, length, tlv_info); |
| 827 | } |
| 828 | |
| 829 | return; |
| 830 | } |
| 831 | case WIMAXASNCP_TLV_ASCII_STRING: |
| 832 | { |
| 833 | if (tree) |
| 834 | { |
| 835 | const char *s = tvb_get_string_enc(pinfo->pool, tvb, offset, length, ENC_ASCII0x00000000); |
| 836 | |
| 837 | proto_tree_add_string_format( |
| 838 | tree, tlv_info->hf_value, |
| 839 | tvb, offset, length, s, |
| 840 | "Value: %s", s); |
| 841 | |
| 842 | proto_item_append_text( |
| 843 | tlv_item, " - %s", s); |
| 844 | } |
| 845 | |
| 846 | return; |
| 847 | } |
| 848 | case WIMAXASNCP_TLV_FLAG0: |
| 849 | { |
| 850 | if (length != 0) |
| 851 | { |
| 852 | /* encoding error */ |
| 853 | break; |
| 854 | } |
| 855 | |
| 856 | return; |
| 857 | } |
| 858 | case WIMAXASNCP_TLV_BITFLAGS8: |
| 859 | { |
| 860 | if (length != 1) |
| 861 | { |
| 862 | /* encoding error */ |
| 863 | break; |
| 864 | } |
| 865 | |
| 866 | if (tree) |
| 867 | { |
| 868 | proto_tree *flags_tree; |
| 869 | proto_item *item; |
| 870 | uint8_t value; |
| 871 | unsigned i; |
| 872 | |
| 873 | value = tvb_get_uint8(tvb, offset); |
| 874 | |
| 875 | item = proto_tree_add_item( |
| 876 | tree, tlv_info->hf_value, |
| 877 | tvb, offset, 1, ENC_NA0x00000000); |
| 878 | |
| 879 | proto_item_append_text(tlv_item, " - 0x%02x", value); |
| 880 | |
| 881 | if (value != 0) |
| 882 | { |
| 883 | flags_tree = proto_item_add_subtree( |
| 884 | item, ett_wimaxasncp_tlv_value_bitflags8); |
| 885 | |
| 886 | for (i = 0; i < 8; ++i) |
| 887 | { |
| 888 | uint8_t mask; |
| 889 | mask = 1U << (7 - i); |
| 890 | |
| 891 | if (value & mask) |
| 892 | { |
| 893 | const char *s; |
| 894 | |
| 895 | s = wimaxasncp_get_enum_name(tlv_info, value & mask); |
| 896 | |
| 897 | proto_tree_add_uint_format( |
| 898 | flags_tree, hf_wimaxasncp_tlv_value_bitflags8, |
| 899 | tvb, offset, length, value, |
| 900 | "Bit #%u is set: %s", i, s); |
| 901 | } |
| 902 | } |
| 903 | } |
| 904 | } |
| 905 | |
| 906 | return; |
| 907 | } |
| 908 | case WIMAXASNCP_TLV_BITFLAGS16: |
| 909 | { |
| 910 | if (length != 2) |
| 911 | { |
| 912 | /* encoding error */ |
| 913 | break; |
| 914 | } |
| 915 | |
| 916 | if (tree) |
| 917 | { |
| 918 | proto_tree *flags_tree; |
| 919 | proto_item *item; |
| 920 | uint16_t value; |
| 921 | unsigned i; |
| 922 | |
| 923 | value = tvb_get_ntohs(tvb, offset); |
| 924 | |
| 925 | item = proto_tree_add_item( |
| 926 | tree, tlv_info->hf_value, |
| 927 | tvb, offset, 2, ENC_BIG_ENDIAN0x00000000); |
| 928 | |
| 929 | proto_item_append_text(tlv_item, " - 0x%04x", value); |
| 930 | |
| 931 | if (value != 0) |
| 932 | { |
| 933 | flags_tree = proto_item_add_subtree( |
| 934 | item, ett_wimaxasncp_tlv_value_bitflags16); |
| 935 | |
| 936 | for (i = 0; i < 16; ++i) |
| 937 | { |
| 938 | uint16_t mask; |
| 939 | mask = 1U << (15 - i); |
| 940 | |
| 941 | if (value & mask) |
| 942 | { |
| 943 | const char *s; |
| 944 | |
| 945 | s = wimaxasncp_get_enum_name(tlv_info, value & mask); |
| 946 | |
| 947 | proto_tree_add_uint_format( |
| 948 | flags_tree, hf_wimaxasncp_tlv_value_bitflags16, |
| 949 | tvb, offset, length, value, |
| 950 | "Bit #%u is set: %s", i, s); |
| 951 | } |
| 952 | } |
| 953 | } |
| 954 | } |
| 955 | |
| 956 | return; |
| 957 | } |
| 958 | case WIMAXASNCP_TLV_BITFLAGS32: |
| 959 | { |
| 960 | if (length != 4) |
| 961 | { |
| 962 | /* encoding error */ |
| 963 | break; |
| 964 | } |
| 965 | |
| 966 | if (tree) |
| 967 | { |
| 968 | proto_tree *flags_tree; |
| 969 | proto_item *item; |
| 970 | uint32_t value; |
| 971 | unsigned i; |
| 972 | |
| 973 | value = tvb_get_ntohl(tvb, offset); |
| 974 | |
| 975 | item = proto_tree_add_item( |
| 976 | tree, tlv_info->hf_value, |
| 977 | tvb, offset, 4, ENC_BIG_ENDIAN0x00000000); |
| 978 | |
| 979 | proto_item_append_text(tlv_item, " - 0x%08x", value); |
| 980 | |
| 981 | if (value != 0) |
| 982 | { |
| 983 | flags_tree = proto_item_add_subtree( |
| 984 | item, ett_wimaxasncp_tlv_value_bitflags32); |
| 985 | |
| 986 | for (i = 0; i < 32; ++i) |
| 987 | { |
| 988 | uint32_t mask; |
| 989 | mask = 1U << (31 - i); |
| 990 | |
| 991 | if (value & mask) |
| 992 | { |
| 993 | const char *s; |
| 994 | s = wimaxasncp_get_enum_name(tlv_info, value & mask); |
| 995 | |
| 996 | proto_tree_add_uint_format( |
| 997 | flags_tree, hf_wimaxasncp_tlv_value_bitflags32, |
| 998 | tvb, offset, length, value, |
| 999 | "Bit #%u is set: %s", i, s); |
| 1000 | } |
| 1001 | } |
| 1002 | } |
| 1003 | } |
| 1004 | |
| 1005 | return; |
| 1006 | } |
| 1007 | case WIMAXASNCP_TLV_ID: |
| 1008 | { |
| 1009 | if (length == 4) |
| 1010 | { |
| 1011 | if (tree) |
| 1012 | { |
| 1013 | wimaxasncp_proto_tree_add_tlv_ipv4_value( |
| 1014 | pinfo, tvb, tree, tlv_item, offset, tlv_info); |
| 1015 | } |
| 1016 | |
| 1017 | return; |
| 1018 | } |
| 1019 | else if (length == 6) |
| 1020 | { |
| 1021 | if (tree) |
| 1022 | { |
| 1023 | wimaxasncp_proto_tree_add_ether_value( |
| 1024 | pinfo, tvb, tree, tlv_item, offset, length, tlv_info); |
| 1025 | } |
| 1026 | |
| 1027 | return; |
| 1028 | } |
| 1029 | else if (length == 16) |
| 1030 | { |
| 1031 | if (tree) |
| 1032 | { |
| 1033 | wimaxasncp_proto_tree_add_tlv_ipv6_value( |
| 1034 | pinfo, tvb, tree, tlv_item, offset, tlv_info); |
| 1035 | } |
| 1036 | |
| 1037 | return; |
| 1038 | } |
| 1039 | else |
| 1040 | { |
| 1041 | /* encoding error */ |
| 1042 | break; |
| 1043 | } |
| 1044 | } |
| 1045 | case WIMAXASNCP_TLV_BYTES: |
| 1046 | { |
| 1047 | if (tree) |
| 1048 | { |
| 1049 | proto_tree_add_item( |
| 1050 | tree, tlv_info->hf_value, |
| 1051 | tvb, offset, length, ENC_NA0x00000000); |
| 1052 | |
| 1053 | if (length) { |
| 1054 | const char* format; |
| 1055 | if (length <= max_show_bytes) |
| 1056 | { |
| 1057 | format = " - %s"; |
| 1058 | } |
| 1059 | else |
| 1060 | { |
| 1061 | format = " - %s..."; |
| 1062 | } |
| 1063 | const char* s = tvb_bytes_to_str_punct( |
| 1064 | pinfo->pool, tvb, offset, MIN(length, max_show_bytes)(((length) < (max_show_bytes)) ? (length) : (max_show_bytes )), 0); |
| 1065 | |
| 1066 | proto_item_append_text( |
| 1067 | tlv_item, format, s); |
| 1068 | } else { |
| 1069 | proto_item_append_text(tlv_item, " - <MISSING>"); |
| 1070 | } |
| 1071 | } |
| 1072 | |
| 1073 | return; |
| 1074 | } |
| 1075 | case WIMAXASNCP_TLV_HEX8: |
| 1076 | { |
| 1077 | if (length != 1) |
| 1078 | { |
| 1079 | /* encoding error */ |
| 1080 | break; |
| 1081 | } |
| 1082 | |
| 1083 | if (tree) |
| 1084 | { |
| 1085 | uint8_t value; |
| 1086 | |
| 1087 | value = tvb_get_uint8(tvb, offset); |
| 1088 | |
| 1089 | proto_tree_add_uint_format( |
| 1090 | tree, tlv_info->hf_value, |
| 1091 | tvb, offset, length, value, |
| 1092 | "Value: 0x%02x", value); |
| 1093 | |
| 1094 | proto_item_append_text(tlv_item, " - 0x%02x", value); |
| 1095 | } |
| 1096 | |
| 1097 | return; |
| 1098 | } |
| 1099 | case WIMAXASNCP_TLV_HEX16: |
| 1100 | { |
| 1101 | if (length != 2) |
| 1102 | { |
| 1103 | /* encoding error */ |
| 1104 | break; |
| 1105 | } |
| 1106 | |
| 1107 | if (tree) |
| 1108 | { |
| 1109 | uint16_t value; |
| 1110 | |
| 1111 | value = tvb_get_ntohs(tvb, offset); |
| 1112 | |
| 1113 | proto_tree_add_uint_format( |
| 1114 | tree, tlv_info->hf_value, |
| 1115 | tvb, offset, length, value, |
| 1116 | "Value: 0x%04x", value); |
| 1117 | |
| 1118 | proto_item_append_text(tlv_item, " - 0x%04x", value); |
| 1119 | } |
| 1120 | |
| 1121 | return; |
| 1122 | } |
| 1123 | case WIMAXASNCP_TLV_HEX32: |
| 1124 | { |
| 1125 | if (length != 4) |
| 1126 | { |
| 1127 | /* encoding error */ |
| 1128 | break; |
| 1129 | } |
| 1130 | |
| 1131 | if (tree) |
| 1132 | { |
| 1133 | uint32_t value; |
| 1134 | |
| 1135 | value = tvb_get_ntohl(tvb, offset); |
| 1136 | |
| 1137 | proto_tree_add_uint_format( |
| 1138 | tree, tlv_info->hf_value, |
| 1139 | tvb, offset, length, value, |
| 1140 | "Value: 0x%08x", value); |
| 1141 | |
| 1142 | proto_item_append_text(tlv_item, " - 0x%08x", value); |
| 1143 | } |
| 1144 | |
| 1145 | return; |
| 1146 | } |
| 1147 | case WIMAXASNCP_TLV_DEC8: |
| 1148 | { |
| 1149 | if (length != 1) |
| 1150 | { |
| 1151 | /* encoding error */ |
| 1152 | break; |
| 1153 | } |
| 1154 | |
| 1155 | if (tree) |
| 1156 | { |
| 1157 | uint8_t value; |
| 1158 | |
| 1159 | value = tvb_get_uint8(tvb, offset); |
| 1160 | |
| 1161 | proto_tree_add_uint_format( |
| 1162 | tree, tlv_info->hf_value, |
| 1163 | tvb, offset, length, value, |
| 1164 | "Value: %u", value); |
| 1165 | |
| 1166 | proto_item_append_text(tlv_item, " - %u", value); |
| 1167 | } |
| 1168 | |
| 1169 | return; |
| 1170 | } |
| 1171 | case WIMAXASNCP_TLV_DEC16: |
| 1172 | { |
| 1173 | if (length != 2) |
| 1174 | { |
| 1175 | /* encoding error */ |
| 1176 | break; |
| 1177 | } |
| 1178 | |
| 1179 | if (tree) |
| 1180 | { |
| 1181 | uint16_t value; |
| 1182 | |
| 1183 | value = tvb_get_ntohs(tvb, offset); |
| 1184 | |
| 1185 | proto_tree_add_uint_format( |
| 1186 | tree, tlv_info->hf_value, |
| 1187 | tvb, offset, length, value, |
| 1188 | "Value: %u", value); |
| 1189 | |
| 1190 | proto_item_append_text(tlv_item, " - %u", value); |
| 1191 | } |
| 1192 | |
| 1193 | return; |
| 1194 | } |
| 1195 | case WIMAXASNCP_TLV_DEC32: |
| 1196 | { |
| 1197 | if (length != 4) |
| 1198 | { |
| 1199 | /* encoding error */ |
| 1200 | break; |
| 1201 | } |
| 1202 | |
| 1203 | if (tree) |
| 1204 | { |
| 1205 | uint32_t value; |
| 1206 | |
| 1207 | value = tvb_get_ntohl(tvb, offset); |
| 1208 | |
| 1209 | proto_tree_add_uint_format( |
| 1210 | tree, tlv_info->hf_value, |
| 1211 | tvb, offset, length, value, |
| 1212 | "Value: %u", value); |
| 1213 | |
| 1214 | proto_item_append_text(tlv_item, " - %u", value); |
| 1215 | } |
| 1216 | |
| 1217 | return; |
| 1218 | } |
| 1219 | case WIMAXASNCP_TLV_TBD: |
| 1220 | { |
| 1221 | if (tree) |
| 1222 | { |
| 1223 | if (length) { |
| 1224 | const char *format; |
| 1225 | const char *s = tvb_bytes_to_str_punct( |
| 1226 | pinfo->pool, tvb, offset, length, 0); |
| 1227 | |
| 1228 | if (length <= max_show_bytes) { |
| 1229 | format = "%s %s"; |
| 1230 | } else { |
| 1231 | format = "%s %s..."; |
| 1232 | } |
| 1233 | |
| 1234 | proto_tree_add_bytes_format_value( |
| 1235 | tree, tlv_info->hf_value, |
| 1236 | tvb, offset, length, NULL((void*)0), format, hex_note, s); |
| 1237 | |
| 1238 | } else { |
| 1239 | proto_tree_add_bytes_format_value( |
| 1240 | tree, tlv_info->hf_value, |
| 1241 | tvb, offset, length, NULL((void*)0), "%s", "<MISSING>"); |
| 1242 | } |
| 1243 | |
| 1244 | proto_item_append_text(tlv_item, " - TBD"); |
| 1245 | } |
| 1246 | |
| 1247 | return; |
| 1248 | } |
| 1249 | case WIMAXASNCP_TLV_IP_ADDRESS: |
| 1250 | { |
| 1251 | if (length == 4) |
| 1252 | { |
| 1253 | if (tree) |
| 1254 | { |
| 1255 | wimaxasncp_proto_tree_add_tlv_ipv4_value( |
| 1256 | pinfo, tvb, tree, tlv_item, offset, tlv_info); |
| 1257 | } |
| 1258 | |
| 1259 | return; |
| 1260 | } |
| 1261 | else if (length == 16) |
| 1262 | { |
| 1263 | if (tree) |
| 1264 | { |
| 1265 | wimaxasncp_proto_tree_add_tlv_ipv6_value( |
| 1266 | pinfo, tvb, tree, tlv_item, offset, tlv_info); |
| 1267 | } |
| 1268 | |
| 1269 | return; |
| 1270 | } |
| 1271 | else |
| 1272 | { |
| 1273 | /* encoding error */ |
| 1274 | break; |
| 1275 | } |
| 1276 | } |
| 1277 | case WIMAXASNCP_TLV_IPV4_ADDRESS: |
| 1278 | { |
| 1279 | if (length != 4) |
| 1280 | { |
| 1281 | /* encoding error */ |
| 1282 | break; |
| 1283 | } |
| 1284 | |
| 1285 | if (tree) |
| 1286 | { |
| 1287 | wimaxasncp_proto_tree_add_tlv_ipv4_value( |
| 1288 | pinfo, tvb, tree, tlv_item, offset, tlv_info); |
| 1289 | } |
| 1290 | |
| 1291 | return; |
| 1292 | } |
| 1293 | case WIMAXASNCP_TLV_PROTOCOL_LIST: |
| 1294 | { |
| 1295 | if (length % 2 != 0) |
| 1296 | { |
| 1297 | /* encoding error */ |
| 1298 | break; |
| 1299 | } |
| 1300 | |
| 1301 | if (tree && length > 0) |
| 1302 | { |
| 1303 | proto_tree *protocol_list_tree; |
| 1304 | proto_item *item; |
| 1305 | const unsigned max_protocols_in_tlv_item = 8; /* arbitrary */ |
| 1306 | |
| 1307 | protocol_list_tree = proto_tree_add_subtree( |
| 1308 | tree, tvb, offset, length, |
| 1309 | ett_wimaxasncp_tlv_protocol_list, NULL((void*)0), "Value"); |
| 1310 | |
| 1311 | /* hidden item for filtering */ |
| 1312 | item = proto_tree_add_item( |
| 1313 | protocol_list_tree, tlv_info->hf_value, |
| 1314 | tvb, offset, length, ENC_NA0x00000000); |
| 1315 | |
| 1316 | proto_item_set_hidden(item); |
| 1317 | |
| 1318 | while (offset < tvb_reported_length(tvb)) |
| 1319 | { |
| 1320 | uint16_t protocol; |
| 1321 | const char *protocol_name; |
| 1322 | |
| 1323 | protocol = tvb_get_ntohs(tvb, offset); |
| 1324 | protocol_name = ipprotostr(protocol); |
| 1325 | |
| 1326 | proto_tree_add_uint_format( |
| 1327 | protocol_list_tree, tlv_info->hf_protocol, |
| 1328 | tvb, offset, 2, protocol, |
| 1329 | "Protocol: %s (%u)", protocol_name, protocol); |
| 1330 | |
| 1331 | if (offset == 0) |
| 1332 | { |
| 1333 | proto_item_append_text(tlv_item, " - %s", protocol_name); |
| 1334 | } |
| 1335 | else if (offset < 2 * max_protocols_in_tlv_item) |
| 1336 | { |
| 1337 | proto_item_append_text(tlv_item, ", %s", protocol_name); |
| 1338 | } |
| 1339 | else if (offset == 2 * max_protocols_in_tlv_item) |
| 1340 | { |
| 1341 | proto_item_append_text(tlv_item, ", ..."); |
| 1342 | } |
| 1343 | |
| 1344 | offset += 2; |
| 1345 | } |
| 1346 | } |
| 1347 | |
| 1348 | return; |
| 1349 | } |
| 1350 | case WIMAXASNCP_TLV_PORT_RANGE_LIST: |
| 1351 | { |
| 1352 | if (length % 4 != 0) |
| 1353 | { |
| 1354 | /* encoding error */ |
| 1355 | break; |
| 1356 | } |
| 1357 | |
| 1358 | if (tree && length > 0) |
| 1359 | { |
| 1360 | proto_tree *port_range_list_tree; |
| 1361 | proto_item *item; |
| 1362 | const unsigned max_port_ranges_in_tlv_item = 3; /* arbitrary */ |
| 1363 | |
| 1364 | port_range_list_tree = proto_tree_add_subtree( |
| 1365 | tree, tvb, offset, length, |
| 1366 | ett_wimaxasncp_tlv_port_range_list, NULL((void*)0), "Value"); |
| 1367 | |
| 1368 | /* hidden item for filtering */ |
| 1369 | item = proto_tree_add_item( |
| 1370 | port_range_list_tree, tlv_info->hf_value, |
| 1371 | tvb, offset, length, ENC_NA0x00000000); |
| 1372 | |
| 1373 | proto_item_set_hidden(item); |
| 1374 | |
| 1375 | while (offset < tvb_reported_length(tvb)) |
| 1376 | { |
| 1377 | uint16_t portLow; |
| 1378 | uint16_t portHigh; |
| 1379 | proto_tree* range_tree; |
| 1380 | |
| 1381 | portLow = tvb_get_ntohs(tvb, offset); |
| 1382 | portHigh = tvb_get_ntohs(tvb, offset + 2); |
| 1383 | |
| 1384 | range_tree = proto_tree_add_subtree_format( |
| 1385 | port_range_list_tree, tvb, offset, 4, |
| 1386 | ett_wimaxasncp_port_range, NULL((void*)0), "Port Range: %u-%u", portLow, portHigh); |
| 1387 | |
| 1388 | /* hidden items are for filtering */ |
| 1389 | |
| 1390 | item = proto_tree_add_item( |
| 1391 | range_tree, tlv_info->hf_port_low, |
| 1392 | tvb, offset, 2, ENC_BIG_ENDIAN0x00000000); |
| 1393 | |
| 1394 | proto_item_set_hidden(item); |
| 1395 | |
| 1396 | item = proto_tree_add_item( |
| 1397 | range_tree, tlv_info->hf_port_high, |
| 1398 | tvb, offset + 2, 2, ENC_BIG_ENDIAN0x00000000); |
| 1399 | |
| 1400 | proto_item_set_hidden(item); |
| 1401 | |
| 1402 | if (offset == 0) |
| 1403 | { |
| 1404 | proto_item_append_text( |
| 1405 | tlv_item, " - %u-%u", portLow, portHigh); |
| 1406 | } |
| 1407 | else if (offset < 4 * max_port_ranges_in_tlv_item) |
| 1408 | { |
| 1409 | proto_item_append_text( |
| 1410 | tlv_item, ", %u-%u", portLow, portHigh); |
| 1411 | } |
| 1412 | else if (offset == 4 * max_port_ranges_in_tlv_item) |
| 1413 | { |
| 1414 | proto_item_append_text(tlv_item, ", ..."); |
| 1415 | } |
| 1416 | |
| 1417 | offset += 4; |
| 1418 | } |
| 1419 | } |
| 1420 | |
| 1421 | return; |
| 1422 | } |
| 1423 | case WIMAXASNCP_TLV_IP_ADDRESS_MASK_LIST: |
| 1424 | { |
| 1425 | /* -------------------------------------------------------------------- |
| 1426 | * The definion of these TLVs are ambiguous. The length in octets is |
| 1427 | * described as Nx8 (IPv4) or Nx32 (IPv6), but this function cannot |
| 1428 | * always differentiate between IPv4 and IPv6. For example, if length |
| 1429 | * = 32, then is it IPv4 where N=4 (4x8) or IPv6 where N=1 (1x32)? |
| 1430 | * |
| 1431 | * For now, we presume lengths that *can* indicate an IPv6 address and |
| 1432 | * mask list *do* denote an IPv6 address and mask list. |
| 1433 | * -------------------------------------------------------------------- |
| 1434 | */ |
| 1435 | |
| 1436 | if (length % 8 != 0) |
| 1437 | { |
| 1438 | /* encoding error */ |
| 1439 | break; |
| 1440 | } |
| 1441 | |
| 1442 | if (tree && length > 0) |
| 1443 | { |
| 1444 | proto_tree *ip_address_mask_list_tree; |
| 1445 | proto_item *item; |
| 1446 | |
| 1447 | ip_address_mask_list_tree = proto_tree_add_subtree( |
| 1448 | tree, tvb, offset, length, |
| 1449 | ett_wimaxasncp_tlv_ip_address_mask_list, NULL((void*)0), "Value"); |
| 1450 | |
| 1451 | /* hidden item for filtering */ |
| 1452 | item = proto_tree_add_item( |
| 1453 | ip_address_mask_list_tree, tlv_info->hf_value, |
| 1454 | tvb, offset, length, ENC_NA0x00000000); |
| 1455 | |
| 1456 | proto_item_set_hidden(item); |
| 1457 | |
| 1458 | if (length % 32 == 0) |
| 1459 | { |
| 1460 | /* ------------------------------------------------------------ |
| 1461 | * presume IPv6 |
| 1462 | * ------------------------------------------------------------ |
| 1463 | */ |
| 1464 | |
| 1465 | while (offset < tvb_reported_length(tvb)) |
| 1466 | { |
| 1467 | proto_tree *ip_address_mask_tree; |
| 1468 | |
| 1469 | ip_address_mask_tree = proto_tree_add_subtree( |
| 1470 | ip_address_mask_list_tree, tvb, offset, 32, |
| 1471 | ett_wimaxasncp_tlv_ip_address_mask, NULL((void*)0), "IPv6 Address and Mask"); |
| 1472 | |
| 1473 | /* -------------------------------------------------------- |
| 1474 | * address |
| 1475 | * -------------------------------------------------------- |
| 1476 | */ |
| 1477 | |
| 1478 | proto_tree_add_item( |
| 1479 | ip_address_mask_tree, |
| 1480 | tlv_info->hf_ipv6, |
| 1481 | tvb, offset, 16, ENC_NA0x00000000); |
| 1482 | |
| 1483 | /* too long to display ? |
| 1484 | proto_item_append_text( |
| 1485 | item, " - %s (%s)", |
| 1486 | get_hostname6(&ip), ip6_to_str(&ip)); |
| 1487 | */ |
| 1488 | |
| 1489 | offset += 16; |
| 1490 | |
| 1491 | /* -------------------------------------------------------- |
| 1492 | * mask |
| 1493 | * -------------------------------------------------------- |
| 1494 | */ |
| 1495 | proto_tree_add_item( |
| 1496 | ip_address_mask_tree, |
| 1497 | tlv_info->hf_ipv6_mask, |
| 1498 | tvb, offset, 16, ENC_NA0x00000000); |
| 1499 | |
| 1500 | /* too long to display ? |
| 1501 | proto_item_append_text( |
| 1502 | item, " / %s", s); |
| 1503 | */ |
| 1504 | |
| 1505 | offset += 16; |
| 1506 | } |
| 1507 | } |
| 1508 | else |
| 1509 | { |
| 1510 | /* ------------------------------------------------------------ |
| 1511 | * IPv4 |
| 1512 | * ------------------------------------------------------------ |
| 1513 | */ |
| 1514 | |
| 1515 | while (offset < tvb_reported_length(tvb)) |
| 1516 | { |
| 1517 | proto_tree *ip_address_mask_tree; |
| 1518 | uint32_t ip; |
| 1519 | const char *s; |
| 1520 | |
| 1521 | ip_address_mask_tree = proto_tree_add_subtree( |
| 1522 | ip_address_mask_list_tree, tvb, offset, 8, |
| 1523 | ett_wimaxasncp_tlv_ip_address_mask, NULL((void*)0), "IPv4 Address and Mask"); |
| 1524 | |
| 1525 | /* -------------------------------------------------------- |
| 1526 | * address |
| 1527 | * -------------------------------------------------------- |
| 1528 | */ |
| 1529 | |
| 1530 | ip = tvb_get_ipv4(tvb, offset); |
| 1531 | |
| 1532 | proto_tree_add_item( |
| 1533 | ip_address_mask_tree, |
| 1534 | tlv_info->hf_ipv4, |
| 1535 | tvb, offset, 4, ENC_BIG_ENDIAN0x00000000); |
| 1536 | |
| 1537 | proto_item_append_text( |
| 1538 | item, " - %s (%s)", |
| 1539 | get_hostname(ip), tvb_ip_to_str(pinfo->pool, tvb, offset)tvb_address_to_str(pinfo->pool, tvb, AT_IPv4, offset)); |
| 1540 | |
| 1541 | offset += 4; |
| 1542 | |
| 1543 | /* -------------------------------------------------------- |
| 1544 | * mask |
| 1545 | * -------------------------------------------------------- |
| 1546 | */ |
| 1547 | |
| 1548 | s = tvb_ip_to_str(pinfo->pool, tvb, offset)tvb_address_to_str(pinfo->pool, tvb, AT_IPv4, offset); |
| 1549 | |
| 1550 | proto_tree_add_item( |
| 1551 | ip_address_mask_tree, |
| 1552 | tlv_info->hf_ipv4_mask, |
| 1553 | tvb, offset, 4, ENC_BIG_ENDIAN0x00000000); |
| 1554 | |
| 1555 | proto_item_append_text( |
| 1556 | item, " / %s", s); |
| 1557 | |
| 1558 | offset += 4; |
| 1559 | } |
| 1560 | } |
| 1561 | } |
| 1562 | |
| 1563 | return; |
| 1564 | } |
| 1565 | case WIMAXASNCP_TLV_EAP: |
| 1566 | { |
| 1567 | /* |
| 1568 | * EAP payload, call eap dissector to dissect eap payload |
| 1569 | */ |
| 1570 | uint8_t eap_code; |
| 1571 | uint8_t eap_type = 0; |
| 1572 | |
| 1573 | /* Get code */ |
| 1574 | eap_code = tvb_get_uint8(tvb, offset); |
| 1575 | if (eap_code == EAP_REQUEST1 || eap_code == EAP_RESPONSE2) |
| 1576 | { |
| 1577 | /* Get type */ |
| 1578 | eap_type = tvb_get_uint8(tvb, offset + 4); |
| 1579 | } |
| 1580 | |
| 1581 | /* Add code and type to info column */ |
| 1582 | col_append_str(pinfo->cinfo, COL_INFO, " ["); |
| 1583 | col_append_str(pinfo->cinfo, COL_INFO, |
| 1584 | val_to_str(eap_code, eap_code_vals, "Unknown code (0x%02X)")); |
| 1585 | |
| 1586 | if (eap_code == EAP_REQUEST1 || eap_code == EAP_RESPONSE2) |
| 1587 | { |
| 1588 | col_append_str(pinfo->cinfo, COL_INFO, ", "); |
| 1589 | col_append_str(pinfo->cinfo, COL_INFO, |
| 1590 | val_to_str_ext(eap_type, &eap_type_vals_ext, "Unknown type (0x%02X)")); |
| 1591 | } |
| 1592 | |
| 1593 | col_append_str(pinfo->cinfo, COL_INFO, "]"); |
| 1594 | |
| 1595 | |
| 1596 | { |
| 1597 | proto_tree *eap_tree; |
| 1598 | proto_item *item; |
| 1599 | bool_Bool save_writable; |
| 1600 | tvbuff_t *eap_tvb; |
| 1601 | |
| 1602 | /* Create EAP subtree */ |
| 1603 | item = proto_tree_add_item(tree, tlv_info->hf_value, tvb, |
| 1604 | offset, length, ENC_NA0x00000000); |
| 1605 | proto_item_set_text(item, "Value"); |
| 1606 | eap_tree = proto_item_add_subtree(item, ett_wimaxasncp_tlv_eap); |
| 1607 | |
| 1608 | /* Also show high-level details in this root item */ |
| 1609 | proto_item_append_text(item, " (%s", |
| 1610 | val_to_str(eap_code, eap_code_vals, |
| 1611 | "Unknown code (0x%02X)")); |
| 1612 | if (eap_code == EAP_REQUEST1 || eap_code == EAP_RESPONSE2) |
| 1613 | { |
| 1614 | proto_item_append_text(item, ", %s", |
| 1615 | val_to_str_ext(eap_type, &eap_type_vals_ext, |
| 1616 | "Unknown type (0x%02X)")); |
| 1617 | } |
| 1618 | proto_item_append_text(item, ")"); |
| 1619 | |
| 1620 | |
| 1621 | /* Extract remaining bytes into new tvb */ |
| 1622 | eap_tvb = tvb_new_subset_remaining(tvb, offset); |
| 1623 | |
| 1624 | /* Disable writing to info column while calling eap dissector */ |
| 1625 | save_writable = col_get_writable(pinfo->cinfo, -1); |
| 1626 | col_set_writable(pinfo->cinfo, -1, false0); |
| 1627 | |
| 1628 | /* Call the EAP dissector. */ |
| 1629 | call_dissector(eap_handle, eap_tvb, pinfo, eap_tree); |
| 1630 | |
| 1631 | /* Restore previous writable state of info column */ |
| 1632 | col_set_writable(pinfo->cinfo, -1, save_writable); |
| 1633 | } |
| 1634 | |
| 1635 | return; |
| 1636 | } |
| 1637 | |
| 1638 | case WIMAXASNCP_TLV_VENDOR_SPECIFIC: |
| 1639 | { |
| 1640 | /* -------------------------------------------------------------------- |
| 1641 | * The format of the vendor specific information field (VSIF) is not |
| 1642 | * clearly defined. It appears to be compound as the spec states |
| 1643 | * that the vendor ID field shall be the first TLV embedded inside |
| 1644 | * the VSIF. However, the vendor ID is shown as a 24-bit value. Does |
| 1645 | * this mean the field is 24-bits? If so, how is alignment/padding |
| 1646 | * handled? |
| 1647 | * |
| 1648 | * For now, we decode the vendor ID as a non-padded 24-bit value and |
| 1649 | * dump the rest as hex. |
| 1650 | * -------------------------------------------------------------------- |
| 1651 | */ |
| 1652 | |
| 1653 | if (length < 3) |
| 1654 | { |
| 1655 | /* encoding error */ |
| 1656 | break; |
| 1657 | } |
| 1658 | |
| 1659 | if (tree) |
| 1660 | { |
| 1661 | proto_tree *vsif_tree; |
| 1662 | proto_item *item; |
| 1663 | uint32_t vendorId; |
| 1664 | const char *vendorName; |
| 1665 | |
| 1666 | vsif_tree = proto_tree_add_subtree( |
| 1667 | tree, tvb, offset, length, |
| 1668 | ett_wimaxasncp_tlv_vendor_specific_information_field, NULL((void*)0), "Value"); |
| 1669 | |
| 1670 | /* hidden item for filtering */ |
| 1671 | item = proto_tree_add_item( |
| 1672 | vsif_tree, tlv_info->hf_value, |
| 1673 | tvb, offset, length, ENC_NA0x00000000); |
| 1674 | |
| 1675 | proto_item_set_hidden(item); |
| 1676 | |
| 1677 | /* ---------------------------------------------------------------- |
| 1678 | * vendor ID (24-bit) |
| 1679 | * ---------------------------------------------------------------- |
| 1680 | */ |
| 1681 | |
| 1682 | vendorId = tvb_get_ntoh24(tvb, offset); |
| 1683 | |
| 1684 | vendorName = enterprises_lookup(vendorId, "Unknown"); |
| 1685 | proto_tree_add_uint_format( |
| 1686 | vsif_tree, tlv_info->hf_vendor_id, |
| 1687 | tvb, offset, 3, vendorId, |
| 1688 | "Vendor ID: %s (%u)", vendorName, vendorId); |
| 1689 | |
| 1690 | proto_item_append_text(tlv_item, " - %s", vendorName); |
| 1691 | |
| 1692 | offset += 3; |
| 1693 | |
| 1694 | /* ---------------------------------------------------------------- |
| 1695 | * hex dump the rest |
| 1696 | * ---------------------------------------------------------------- |
| 1697 | */ |
| 1698 | |
| 1699 | if (offset < tvb_reported_length(tvb)) |
| 1700 | { |
| 1701 | proto_tree_add_item( |
| 1702 | vsif_tree, tlv_info->hf_vendor_rest_of_info, |
| 1703 | tvb, offset, length - offset, ENC_NA0x00000000); |
| 1704 | } |
| 1705 | } |
| 1706 | |
| 1707 | return; |
| 1708 | } |
| 1709 | case WIMAXASNCP_TLV_UNKNOWN: |
| 1710 | { |
| 1711 | if (tree) |
| 1712 | { |
| 1713 | const char* s; |
| 1714 | if (length) { |
| 1715 | const char* format1; |
| 1716 | const char* format2; |
| 1717 | if (length <= max_show_bytes) |
| 1718 | { |
| 1719 | format1 = "%s %s"; |
| 1720 | format2 = " - %s %s"; |
| 1721 | } |
| 1722 | else |
| 1723 | { |
| 1724 | format1 = "%s %s..."; |
| 1725 | format2 = " - %s %s..."; |
| 1726 | } |
| 1727 | s = tvb_bytes_to_str_punct( |
| 1728 | pinfo->pool, tvb, offset, MIN(length, max_show_bytes)(((length) < (max_show_bytes)) ? (length) : (max_show_bytes )), 0); |
| 1729 | |
| 1730 | proto_tree_add_bytes_format_value( |
| 1731 | tree, tlv_info->hf_value, |
| 1732 | tvb, offset, length, NULL((void*)0), format1, hex_note, s); |
| 1733 | |
| 1734 | proto_item_append_text( |
| 1735 | tlv_item, format2, hex_note, s); |
| 1736 | } |
| 1737 | else { |
| 1738 | proto_tree_add_bytes_format_value( |
| 1739 | tree, tlv_info->hf_value, |
| 1740 | tvb, offset, length, NULL((void*)0), "%s", "<MISSING>"); |
| 1741 | |
| 1742 | proto_item_append_text(tlv_item, " - <MISSING>"); |
| 1743 | } |
| 1744 | |
| 1745 | } |
| 1746 | |
| 1747 | return; |
| 1748 | } |
| 1749 | default: |
| 1750 | proto_tree_add_expert_format(tree, pinfo, &ei_wimaxasncp_decoder, tvb, offset, length, "Unknown decoder %d", tlv_info->decoder); |
| 1751 | break; |
| 1752 | } |
| 1753 | |
| 1754 | /* default is hex dump */ |
| 1755 | |
| 1756 | if (tree) |
| 1757 | { |
| 1758 | if (length) { |
| 1759 | const char* format; |
| 1760 | const char *s = tvb_bytes_to_str_punct( |
| 1761 | pinfo->pool, tvb, offset, MIN(length, max_show_bytes)(((length) < (max_show_bytes)) ? (length) : (max_show_bytes )), 0); |
| 1762 | |
| 1763 | if (length <= max_show_bytes) { |
| 1764 | format = "%s %s"; |
| 1765 | } else { |
| 1766 | format = "%s %s..."; |
| 1767 | } |
| 1768 | |
| 1769 | proto_tree_add_bytes_format_value( |
| 1770 | tree, hf_wimaxasncp_tlv_value_bytes, |
| 1771 | tvb, offset, length, NULL((void*)0), |
| 1772 | format, hex_note, s); |
| 1773 | } else { |
| 1774 | proto_tree_add_bytes_format_value( |
| 1775 | tree, hf_wimaxasncp_tlv_value_bytes, |
| 1776 | tvb, offset, length, NULL((void*)0), |
| 1777 | "%s", "<MISSING>"); |
| 1778 | } |
| 1779 | } |
| 1780 | } |
| 1781 | |
| 1782 | /* ========================================================================= */ |
| 1783 | |
| 1784 | // NOLINTNEXTLINE(misc-no-recursion) |
| 1785 | static unsigned dissect_wimaxasncp_tlvs( |
| 1786 | tvbuff_t *tvb, |
| 1787 | packet_info *pinfo, |
| 1788 | proto_tree *tree) |
| 1789 | { |
| 1790 | unsigned offset; |
| 1791 | |
| 1792 | offset = 0; |
| 1793 | while (offset < tvb_reported_length(tvb)) |
| 1794 | { |
| 1795 | const wimaxasncp_tlv_new_t* tlv_info; |
| 1796 | |
| 1797 | proto_tree *tlv_tree; |
| 1798 | proto_item *tlv_item; |
| 1799 | uint16_t type; |
| 1800 | uint16_t length; |
| 1801 | unsigned pad; |
| 1802 | |
| 1803 | /* -------------------------------------------------------------------- |
| 1804 | * type and length |
| 1805 | * -------------------------------------------------------------------- |
| 1806 | */ |
| 1807 | |
| 1808 | type = tvb_get_ntohs(tvb, offset); |
| 1809 | tlv_info = wimaxasncp_get_tlv_info(type); |
| 1810 | |
| 1811 | length = tvb_get_ntohs(tvb, offset + 2); |
| 1812 | #if 0 /* Commented out padding; As there is no mention of padding in |
| 1813 | the Latest specification */ |
| 1814 | pad = WS_PADDING_TO_4(length)((4U - ((length) % 4U)) % 4U); |
| 1815 | #endif |
| 1816 | pad = 0; |
| 1817 | { |
| 1818 | proto_item *type_item; |
| 1819 | |
| 1820 | int tree_length = MIN(((((int)(4 + length + pad)) < (tvb_captured_length_remaining (tvb, offset))) ? ((int)(4 + length + pad)) : (tvb_captured_length_remaining (tvb, offset))) |
| 1821 | (int)(4 + length + pad), tvb_captured_length_remaining(tvb, offset))((((int)(4 + length + pad)) < (tvb_captured_length_remaining (tvb, offset))) ? ((int)(4 + length + pad)) : (tvb_captured_length_remaining (tvb, offset))); |
| 1822 | |
| 1823 | tlv_item = proto_tree_add_item( |
| 1824 | tree, tlv_info->hf_root, |
| 1825 | tvb, offset, tree_length, ENC_NA0x00000000); |
| 1826 | |
| 1827 | /* Set label for tlv item */ |
| 1828 | proto_item_set_text(tlv_item, "TLV: %s", tlv_info->name); |
| 1829 | |
| 1830 | /* Show code number if unknown */ |
| 1831 | if (tlv_info->decoder == WIMAXASNCP_TLV_UNKNOWN) |
| 1832 | { |
| 1833 | proto_item_append_text(tlv_item, " (%u)", type); |
| 1834 | } |
| 1835 | |
| 1836 | /* Indicate if a compound tlv */ |
| 1837 | if (tlv_info->decoder == WIMAXASNCP_TLV_COMPOUND) |
| 1838 | { |
| 1839 | proto_item_append_text(tlv_item, " [Compound]"); |
| 1840 | } |
| 1841 | |
| 1842 | /* Create TLV subtree */ |
| 1843 | tlv_tree = proto_item_add_subtree( |
| 1844 | tlv_item, ett_wimaxasncp_tlv); |
| 1845 | |
| 1846 | /* Type (expert item if unknown) */ |
| 1847 | type_item = proto_tree_add_uint_format( |
| 1848 | tlv_tree, hf_wimaxasncp_tlv_type, |
| 1849 | tvb, offset, 2, type, |
| 1850 | "Type: %s (%u)", tlv_info->name, type); |
| 1851 | |
| 1852 | if (tlv_info->decoder == WIMAXASNCP_TLV_UNKNOWN) |
| 1853 | { |
| 1854 | expert_add_info_format(pinfo, type_item, &ei_wimaxasncp_tlv_type, |
| 1855 | "Unknown TLV type (%u)", |
| 1856 | type); |
| 1857 | } |
| 1858 | |
| 1859 | /* Length */ |
| 1860 | proto_tree_add_uint( |
| 1861 | tlv_tree, hf_wimaxasncp_tlv_length, |
| 1862 | tvb, offset + 2, 2, length); |
| 1863 | |
| 1864 | } |
| 1865 | |
| 1866 | offset += 4; |
| 1867 | |
| 1868 | /* -------------------------------------------------------------------- |
| 1869 | * value |
| 1870 | * -------------------------------------------------------------------- |
| 1871 | */ |
| 1872 | |
| 1873 | if (tlv_info->decoder == WIMAXASNCP_TLV_COMPOUND) |
| 1874 | { |
| 1875 | if (length == 0) |
| 1876 | { |
| 1877 | /* error? compound, but no TLVs inside */ |
| 1878 | } |
| 1879 | else if (tvb_reported_length_remaining(tvb, offset) > 0) |
| 1880 | { |
| 1881 | tvbuff_t *tlv_tvb; |
| 1882 | |
| 1883 | /* N.B. Not padding out tvb length */ |
| 1884 | tlv_tvb = tvb_new_subset_length_caplen( |
| 1885 | tvb, offset, |
| 1886 | MIN(length, tvb_captured_length_remaining(tvb, offset))(((length) < (tvb_captured_length_remaining(tvb, offset))) ? (length) : (tvb_captured_length_remaining(tvb, offset))), |
| 1887 | length); |
| 1888 | |
| 1889 | increment_dissection_depth(pinfo); |
| 1890 | dissect_wimaxasncp_tlvs(tlv_tvb, pinfo, tlv_tree); |
| 1891 | decrement_dissection_depth(pinfo); |
| 1892 | } |
| 1893 | else |
| 1894 | { |
| 1895 | /* this should throw */ |
| 1896 | tvb_ensure_bytes_exist(tvb, offset, length + pad); |
| 1897 | } |
| 1898 | } |
| 1899 | else |
| 1900 | { |
| 1901 | tvbuff_t *tlv_tvb; |
| 1902 | |
| 1903 | tvb_ensure_bytes_exist(tvb, offset, length + pad); |
| 1904 | |
| 1905 | tlv_tvb = tvb_new_subset_length_caplen( |
| 1906 | tvb, offset, |
| 1907 | MIN(length, tvb_captured_length_remaining(tvb, offset))(((length) < (tvb_captured_length_remaining(tvb, offset))) ? (length) : (tvb_captured_length_remaining(tvb, offset))), |
| 1908 | length); |
| 1909 | |
| 1910 | wimaxasncp_dissect_tlv_value( |
| 1911 | tlv_tvb, pinfo, tlv_tree, tlv_item, tlv_info); |
| 1912 | } |
| 1913 | |
| 1914 | offset += length + pad; |
| 1915 | } |
| 1916 | |
| 1917 | return offset; |
| 1918 | } |
| 1919 | |
| 1920 | /* ========================================================================= */ |
| 1921 | |
| 1922 | static unsigned dissect_wimaxasncp_backend( |
| 1923 | tvbuff_t *tvb, |
| 1924 | packet_info *pinfo, |
| 1925 | proto_tree *tree) |
| 1926 | { |
| 1927 | unsigned offset = 0; |
| 1928 | uint16_t ui16; |
| 1929 | uint32_t ui32; |
| 1930 | const uint8_t *pmsid; |
| 1931 | uint16_t tid = 0; |
| 1932 | bool_Bool dbit_show; |
| 1933 | |
| 1934 | |
| 1935 | /* ------------------------------------------------------------------------ |
| 1936 | * MSID |
| 1937 | * ------------------------------------------------------------------------ |
| 1938 | */ |
| 1939 | |
| 1940 | if (tree) |
| 1941 | { |
| 1942 | proto_tree_add_item( |
| 1943 | tree, hf_wimaxasncp_msid, |
| 1944 | tvb, offset, 6, ENC_NA0x00000000); |
| 1945 | } |
| 1946 | pmsid = tvb_ether_to_str(pinfo->pool, tvb, offset)tvb_address_to_str(pinfo->pool, tvb, AT_ETHER, offset); |
| 1947 | |
| 1948 | offset += 6; |
| 1949 | |
| 1950 | /* ------------------------------------------------------------------------ |
| 1951 | * reserved |
| 1952 | * ------------------------------------------------------------------------ |
| 1953 | */ |
| 1954 | |
| 1955 | ui32 = tvb_get_ntohl(tvb, offset); |
| 1956 | |
| 1957 | if (tree) |
| 1958 | { |
| 1959 | proto_tree_add_uint( |
| 1960 | tree, hf_wimaxasncp_reserved1, |
| 1961 | tvb, offset, 4, ui32); |
| 1962 | } |
| 1963 | |
| 1964 | offset += 4; |
| 1965 | |
| 1966 | /* ------------------------------------------------------------------------ |
| 1967 | * transaction ID |
| 1968 | * ------------------------------------------------------------------------ |
| 1969 | */ |
| 1970 | |
| 1971 | dbit_show = false0; |
| 1972 | ui16 = tvb_get_ntohs(tvb, offset); |
| 1973 | |
| 1974 | if (show_transaction_id_d_bit) |
| 1975 | { |
| 1976 | const uint16_t mask = 0x7fff; |
| 1977 | |
| 1978 | if (ui16 & 0x8000) |
| 1979 | { |
| 1980 | proto_tree_add_uint_format_value( |
| 1981 | tree, hf_wimaxasncp_transaction_id, |
| 1982 | tvb, offset, 2, ui16, |
| 1983 | "D + 0x%04x (0x%04x)", mask & ui16, ui16); |
| 1984 | |
| 1985 | tid = ui16 & mask; |
| 1986 | dbit_show = true1; |
| 1987 | } |
| 1988 | else |
| 1989 | { |
| 1990 | proto_tree_add_uint(tree, hf_wimaxasncp_transaction_id, tvb, offset, 2, ui16); |
| 1991 | tid = ui16; |
| 1992 | } |
| 1993 | } |
| 1994 | else |
| 1995 | { |
| 1996 | proto_tree_add_uint( |
| 1997 | tree, hf_wimaxasncp_transaction_id, |
| 1998 | tvb, offset, 2, ui16); |
| 1999 | |
| 2000 | tid = ui16; |
| 2001 | } |
| 2002 | |
| 2003 | offset += 2; |
| 2004 | |
| 2005 | /* ------------------------------------------------------------------------ |
| 2006 | * reserved |
| 2007 | * ------------------------------------------------------------------------ |
| 2008 | */ |
| 2009 | proto_tree_add_item(tree, hf_wimaxasncp_reserved2, tvb, offset, 2, ENC_BIG_ENDIAN0x00000000); |
| 2010 | offset += 2; |
| 2011 | |
| 2012 | /* ------------------------------------------------------------------------ |
| 2013 | * TLVs |
| 2014 | * ------------------------------------------------------------------------ |
| 2015 | */ |
| 2016 | |
| 2017 | if (tvb_reported_length_remaining(tvb, offset) > 0) |
| 2018 | { |
| 2019 | tvbuff_t *tlv_tvb; |
| 2020 | |
| 2021 | tlv_tvb = tvb_new_subset_remaining(tvb, offset); |
| 2022 | |
| 2023 | offset += dissect_wimaxasncp_tlvs(tlv_tvb, pinfo, tree); |
| 2024 | } |
| 2025 | |
| 2026 | col_append_fstr(pinfo->cinfo, COL_INFO, " - MSID:%s", pmsid); |
| 2027 | if (dbit_show) |
| 2028 | { |
| 2029 | col_append_fstr(pinfo->cinfo, COL_INFO, ", TID:D+0x%04x", tid); |
| 2030 | } |
| 2031 | else |
| 2032 | { |
| 2033 | col_append_fstr(pinfo->cinfo, COL_INFO, ", TID:0x%04x", tid); |
| 2034 | } |
| 2035 | |
| 2036 | return offset; |
| 2037 | } |
| 2038 | |
| 2039 | /* ========================================================================= */ |
| 2040 | |
| 2041 | |
| 2042 | static const char* |
| 2043 | match_ver_value_string( |
| 2044 | const uint32_t val, |
| 2045 | const ver_value_string* const strings, |
| 2046 | const uint32_t max_ver) |
| 2047 | { |
| 2048 | const ver_value_string* vvs; |
| 2049 | const ver_value_string* res = NULL((void*)0); |
| 2050 | |
| 2051 | /* loop on the levels, from max to 0 */ |
| 2052 | for(vvs=strings; vvs->vs.strptr; vvs++) |
| 2053 | { |
| 2054 | if ((vvs->vs.value == val) && (vvs->since <= max_ver)) |
| 2055 | { |
| 2056 | if (!res || (vvs->since > res->since)) |
| 2057 | { |
| 2058 | res = vvs; |
| 2059 | } |
| 2060 | } |
| 2061 | } |
| 2062 | |
| 2063 | return res? res->vs.strptr : NULL((void*)0); |
| 2064 | } |
| 2065 | |
| 2066 | static int |
| 2067 | dissect_wimaxasncp( |
| 2068 | tvbuff_t *tvb, |
| 2069 | packet_info *pinfo, |
| 2070 | proto_tree *tree, |
| 2071 | void *data _U___attribute__((unused))) |
| 2072 | { |
| 2073 | static const char unknown[] = "Unknown"; |
| 2074 | |
| 2075 | /* Set up structures needed to add the protocol subtree and manage it */ |
| 2076 | proto_item *packet_item = NULL((void*)0); |
| 2077 | proto_item *item = NULL((void*)0); |
| 2078 | proto_tree *wimaxasncp_tree = NULL((void*)0); |
| 2079 | tvbuff_t *subtree_tvb; |
| 2080 | |
| 2081 | unsigned offset; |
| 2082 | uint8_t ui8; |
| 2083 | |
| 2084 | uint8_t function_type; |
| 2085 | const char *function_type_name; |
| 2086 | proto_item *function_type_item; |
| 2087 | uint32_t length; |
| 2088 | |
| 2089 | const wimaxasncp_func_msg_t *p = NULL((void*)0); |
| 2090 | const char *message_name; |
| 2091 | size_t i; |
| 2092 | |
| 2093 | /* ------------------------------------------------------------------------ |
| 2094 | * First, we do some heuristics to check if the packet cannot be our |
| 2095 | * protocol. |
| 2096 | * ------------------------------------------------------------------------ |
| 2097 | */ |
| 2098 | |
| 2099 | /* Should we check a minimum size? If so, uncomment out the following |
| 2100 | * code. */ |
| 2101 | #if 0 |
| 2102 | if (tvb_reported_length(tvb) < WIMAXASNCP_HEADER_SIZE20) |
| 2103 | { |
| 2104 | return 0; |
| 2105 | } |
| 2106 | #endif |
| 2107 | |
| 2108 | /* We currently only support version 1. */ |
| 2109 | if (tvb_bytes_exist(tvb, 0, 1) && tvb_get_uint8(tvb, 0) != 1) |
| 2110 | { |
| 2111 | return 0; |
| 2112 | } |
| 2113 | |
| 2114 | /* ------------------------------------------------------------------------ |
| 2115 | * Initialize the protocol and info column. |
| 2116 | * ------------------------------------------------------------------------ |
| 2117 | */ |
| 2118 | |
| 2119 | /* Make entries in Protocol column and Info column on summary display */ |
| 2120 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "WiMAX"); |
| 2121 | |
| 2122 | /* We'll fill in the "Info" column after fetch data, so we clear the |
| 2123 | column first in case calls to fetch data from the packet throw an |
| 2124 | exception. */ |
| 2125 | col_clear(pinfo->cinfo, COL_INFO); |
| 2126 | |
| 2127 | /* ======================================================================== |
| 2128 | * Disesction starts here |
| 2129 | * ======================================================================== |
| 2130 | */ |
| 2131 | |
| 2132 | /* ------------------------------------------------------------------------ |
| 2133 | * total packet, we'll adjust after we read the length field |
| 2134 | * ------------------------------------------------------------------------ |
| 2135 | */ |
| 2136 | |
| 2137 | offset = 0; |
| 2138 | |
| 2139 | /* Register protocol fields, etc if haven't done yet. */ |
| 2140 | if (hf_wimaxasncp_version <= 0) |
| 2141 | { |
| 2142 | proto_registrar_get_byname("wimaxasncp.version"); |
| 2143 | } |
| 2144 | |
| 2145 | if (tree) |
| 2146 | { |
| 2147 | packet_item = proto_tree_add_item( |
| 2148 | tree, proto_wimaxasncp, |
| 2149 | tvb, 0, MIN(WIMAXASNCP_HEADER_LENGTH_END, tvb_captured_length(tvb))(((6) < (tvb_captured_length(tvb))) ? (6) : (tvb_captured_length (tvb))), ENC_NA0x00000000); |
| 2150 | |
| 2151 | wimaxasncp_tree = proto_item_add_subtree( |
| 2152 | packet_item, ett_wimaxasncp); |
| 2153 | } |
| 2154 | |
| 2155 | /* ------------------------------------------------------------------------ |
| 2156 | * version |
| 2157 | * ------------------------------------------------------------------------ |
| 2158 | */ |
| 2159 | |
| 2160 | if (tree) |
| 2161 | { |
| 2162 | proto_tree_add_item( |
| 2163 | wimaxasncp_tree, hf_wimaxasncp_version, |
| 2164 | tvb, offset, 1, ENC_BIG_ENDIAN0x00000000); |
| 2165 | } |
| 2166 | |
| 2167 | offset += 1; |
| 2168 | |
| 2169 | /* ------------------------------------------------------------------------ |
| 2170 | * flags |
| 2171 | * ------------------------------------------------------------------------ |
| 2172 | */ |
| 2173 | proto_tree_add_bitmask(wimaxasncp_tree, tvb, offset, hf_wimaxasncp_flags, ett_wimaxasncp_flags, hf_wimaxasncp_flag_fields, ENC_NA0x00000000); |
| 2174 | offset += 1; |
| 2175 | |
| 2176 | /* ------------------------------------------------------------------------ |
| 2177 | * function type |
| 2178 | * ------------------------------------------------------------------------ |
| 2179 | */ |
| 2180 | |
| 2181 | function_type = tvb_get_uint8(tvb, offset); |
| 2182 | |
| 2183 | function_type_name = match_ver_value_string(function_type, |
| 2184 | wimaxasncp_function_type_vals, |
| 2185 | global_wimaxasncp_nwg_ver); |
| 2186 | |
| 2187 | if (function_type_name) |
| 2188 | { |
| 2189 | /* add the item to the tree */ |
| 2190 | proto_tree_add_uint_format( |
| 2191 | wimaxasncp_tree, hf_wimaxasncp_function_type, |
| 2192 | tvb, offset, 1, function_type, |
| 2193 | "%s (%u)", function_type_name, function_type); |
| 2194 | } |
| 2195 | else |
| 2196 | { |
| 2197 | /* if not matched, add the item and append expert item */ |
| 2198 | function_type_item = proto_tree_add_uint_format( |
| 2199 | wimaxasncp_tree, hf_wimaxasncp_function_type, |
| 2200 | tvb, offset, 1, function_type, |
| 2201 | "Unknown (%u)", function_type); |
| 2202 | |
| 2203 | expert_add_info_format(pinfo, function_type_item, |
| 2204 | &ei_wimaxasncp_function_type, |
| 2205 | "Unknown function type (%u)", |
| 2206 | function_type); |
| 2207 | } |
| 2208 | |
| 2209 | offset += 1; |
| 2210 | |
| 2211 | /* ------------------------------------------------------------------------ |
| 2212 | * OP ID and message type |
| 2213 | * ------------------------------------------------------------------------ |
| 2214 | */ |
| 2215 | |
| 2216 | ui8 = tvb_get_uint8(tvb, offset); |
| 2217 | |
| 2218 | |
| 2219 | /* -------------------------------------------------------------------- |
| 2220 | * OP ID |
| 2221 | * -------------------------------------------------------------------- |
| 2222 | */ |
| 2223 | |
| 2224 | item = proto_tree_add_item(wimaxasncp_tree, hf_wimaxasncp_op_id, tvb, offset, 1, ENC_NA0x00000000); |
Value stored to 'item' is never read | |
| 2225 | |
| 2226 | /* use the function type to find the message vals */ |
| 2227 | for (i = 0; i < array_length(wimaxasncp_func_to_msg_vals_map)(sizeof (wimaxasncp_func_to_msg_vals_map) / sizeof (wimaxasncp_func_to_msg_vals_map )[0]); ++i) |
| 2228 | { |
| 2229 | p = &wimaxasncp_func_to_msg_vals_map[i]; |
| 2230 | |
| 2231 | if (function_type == p->function_type) |
| 2232 | { |
| 2233 | break; |
| 2234 | } |
| 2235 | } |
| 2236 | |
| 2237 | /* -------------------------------------------------------------------- |
| 2238 | * message type |
| 2239 | * -------------------------------------------------------------------- |
| 2240 | */ |
| 2241 | |
| 2242 | message_name = p ? match_ver_value_string(0x1f & ui8, p->vals, global_wimaxasncp_nwg_ver) : unknown; |
| 2243 | if (message_name == NULL((void*)0)) |
| 2244 | { |
| 2245 | message_name = unknown; |
| 2246 | } |
| 2247 | |
| 2248 | item = proto_tree_add_uint_format_value( |
| 2249 | wimaxasncp_tree, hf_wimaxasncp_message_type, |
| 2250 | tvb, offset, 1, ui8, |
| 2251 | "%s", message_name); |
| 2252 | |
| 2253 | proto_item_append_text(item, " (%u)", ui8 & 0x1F); |
| 2254 | |
| 2255 | /* Add expert item if not matched */ |
| 2256 | if (strcmp(message_name, unknown) == 0) |
| 2257 | { |
| 2258 | expert_add_info_format(pinfo, item, &ei_wimaxasncp_message_type, |
| 2259 | "Unknown message type (%u)", |
| 2260 | 0x1f & ui8); |
| 2261 | } |
| 2262 | |
| 2263 | col_add_str(pinfo->cinfo, COL_INFO, message_name); |
| 2264 | offset += 1; |
| 2265 | |
| 2266 | /* ------------------------------------------------------------------------ |
| 2267 | * length |
| 2268 | * ------------------------------------------------------------------------ |
| 2269 | */ |
| 2270 | |
| 2271 | item = proto_tree_add_item_ret_uint( |
| 2272 | wimaxasncp_tree, hf_wimaxasncp_length, |
| 2273 | tvb, offset, 2, ENC_BIG_ENDIAN0x00000000, &length); |
| 2274 | |
| 2275 | proto_item_set_len(packet_item, MAX(WIMAXASNCP_HEADER_LENGTH_END, length)(((6) > (length)) ? (6) : (length))); |
| 2276 | offset += 2; |
| 2277 | |
| 2278 | if (length < WIMAXASNCP_HEADER_SIZE20) |
| 2279 | { |
| 2280 | expert_add_info_format(pinfo, item, &ei_wimaxasncp_length_bad, "specified length (%u) less than header size (20)", length); |
| 2281 | if (length <= WIMAXASNCP_HEADER_LENGTH_END6) |
| 2282 | return offset; |
| 2283 | } |
| 2284 | |
| 2285 | /* ------------------------------------------------------------------------ |
| 2286 | * remaining header fields and TLVs |
| 2287 | * ------------------------------------------------------------------------ |
| 2288 | */ |
| 2289 | |
| 2290 | subtree_tvb = tvb_new_subset_length_caplen( |
| 2291 | tvb, offset, |
| 2292 | MIN((int)length, tvb_captured_length_remaining(tvb, offset))((((int)length) < (tvb_captured_length_remaining(tvb, offset ))) ? ((int)length) : (tvb_captured_length_remaining(tvb, offset ))), |
| 2293 | length - WIMAXASNCP_HEADER_LENGTH_END6); |
| 2294 | |
| 2295 | offset += dissect_wimaxasncp_backend( |
| 2296 | subtree_tvb, pinfo, wimaxasncp_tree); |
| 2297 | |
| 2298 | /* ------------------------------------------------------------------------ |
| 2299 | * done, return the amount of data this dissector was able to dissect |
| 2300 | * ------------------------------------------------------------------------ |
| 2301 | */ |
| 2302 | |
| 2303 | return offset; |
| 2304 | } |
| 2305 | |
| 2306 | /* ========================================================================= */ |
| 2307 | /* Modify the given string to make a suitable display filter */ |
| 2308 | static char *alnumerize( |
| 2309 | char *name) |
| 2310 | { |
| 2311 | char *r = name; /* read pointer */ |
| 2312 | char *w = name; /* write pointer */ |
| 2313 | char c; |
| 2314 | |
| 2315 | for ( ; (c = *r); ++r) |
| 2316 | { |
| 2317 | if (g_ascii_isalnum(c)((g_ascii_table[(guchar) (c)] & G_ASCII_ALNUM) != 0) || c == '_' || c == '.') |
| 2318 | { |
| 2319 | /* These characters are fine - copy them */ |
| 2320 | *(w++) = c; |
| 2321 | } |
| 2322 | else if (c == ' ' || c == '-' || c == '/') |
| 2323 | { |
| 2324 | /* Skip these others if haven't written any characters out yet */ |
| 2325 | if (w == name) |
| 2326 | { |
| 2327 | continue; |
| 2328 | } |
| 2329 | |
| 2330 | /* Skip if we would produce multiple adjacent '_'s */ |
| 2331 | if (*(w - 1) == '_') |
| 2332 | { |
| 2333 | continue; |
| 2334 | } |
| 2335 | |
| 2336 | /* OK, replace with underscore */ |
| 2337 | *(w++) = '_'; |
| 2338 | } |
| 2339 | |
| 2340 | /* Other undesirable characters are just skipped */ |
| 2341 | } |
| 2342 | |
| 2343 | /* Terminate and return modified string */ |
| 2344 | *w = '\0'; |
| 2345 | return name; |
| 2346 | } |
| 2347 | |
| 2348 | /* ========================================================================= */ |
| 2349 | |
| 2350 | static void add_reg_info( |
| 2351 | int *hf_ptr, |
| 2352 | const char *name, |
| 2353 | const char *abbrev, |
| 2354 | enum ftenum type, |
| 2355 | int display, |
| 2356 | const char *blurb) |
| 2357 | { |
| 2358 | hf_register_info hf = { |
| 2359 | hf_ptr, { name, abbrev, type, display, NULL((void*)0), 0x0, blurb, HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }; |
| 2360 | |
| 2361 | wmem_array_append_one(wimaxasncp_build_dict.hf, hf)wmem_array_append((wimaxasncp_build_dict.hf), &(hf), 1); |
| 2362 | } |
| 2363 | |
| 2364 | /* ========================================================================= */ |
| 2365 | |
| 2366 | static void add_tlv_reg_info(wimaxasncp_tlv_new_t* tlv) |
| 2367 | { |
| 2368 | char *name; |
| 2369 | char *abbrev; |
| 2370 | const char *root_blurb; |
| 2371 | char *blurb; |
| 2372 | |
| 2373 | /* ------------------------------------------------------------------------ |
| 2374 | * add root reg info |
| 2375 | * ------------------------------------------------------------------------ |
| 2376 | */ |
| 2377 | |
| 2378 | name = wmem_strdup(wmem_epan_scope(), tlv->name); |
| 2379 | abbrev = alnumerize(wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s", tlv->name)); |
| 2380 | |
| 2381 | switch (tlv->decoder) |
| 2382 | { |
| 2383 | case WIMAXASNCP_TLV_UNKNOWN: |
| 2384 | root_blurb = "type=Unknown"; |
| 2385 | break; |
| 2386 | case WIMAXASNCP_TLV_TBD: |
| 2387 | root_blurb = wmem_strdup_printf(wmem_epan_scope(), "type=%u, TBD", tlv->type); |
| 2388 | break; |
| 2389 | case WIMAXASNCP_TLV_COMPOUND: |
| 2390 | root_blurb = wmem_strdup_printf(wmem_epan_scope(), "type=%u, Compound", tlv->type); |
| 2391 | break; |
| 2392 | case WIMAXASNCP_TLV_FLAG0: |
| 2393 | root_blurb = wmem_strdup_printf(wmem_epan_scope(), "type=%u, Value = Null", tlv->type); |
| 2394 | break; |
| 2395 | default: |
| 2396 | root_blurb = wmem_strdup_printf(wmem_epan_scope(), "type=%u", tlv->type); |
| 2397 | break; |
| 2398 | } |
| 2399 | |
| 2400 | add_reg_info( |
| 2401 | &tlv->hf_root, name, abbrev, FT_BYTES, BASE_NONE, root_blurb); |
| 2402 | |
| 2403 | /* ------------------------------------------------------------------------ |
| 2404 | * add value(s) reg info |
| 2405 | * ------------------------------------------------------------------------ |
| 2406 | */ |
| 2407 | |
| 2408 | name = wmem_strdup(wmem_epan_scope(), "Value"); |
| 2409 | abbrev = alnumerize(wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.value", tlv->name)); |
| 2410 | blurb = wmem_strdup_printf(wmem_epan_scope(), "value for type=%u", tlv->type); |
| 2411 | |
| 2412 | switch (tlv->decoder) |
| 2413 | { |
| 2414 | case WIMAXASNCP_TLV_UNKNOWN: |
| 2415 | wmem_free(wmem_epan_scope(), blurb); |
| 2416 | |
| 2417 | add_reg_info( |
| 2418 | &tlv->hf_value, name, abbrev, FT_BYTES, BASE_NONE, |
| 2419 | "value for unknown type"); |
| 2420 | break; |
| 2421 | |
| 2422 | case WIMAXASNCP_TLV_TBD: |
| 2423 | add_reg_info( |
| 2424 | &tlv->hf_value, name, abbrev, FT_BYTES, BASE_NONE, blurb); |
| 2425 | break; |
| 2426 | |
| 2427 | case WIMAXASNCP_TLV_COMPOUND: |
| 2428 | case WIMAXASNCP_TLV_FLAG0: |
| 2429 | wmem_free(wmem_epan_scope(), name); |
| 2430 | wmem_free(wmem_epan_scope(), abbrev); |
| 2431 | wmem_free(wmem_epan_scope(), blurb); |
| 2432 | break; |
| 2433 | |
| 2434 | case WIMAXASNCP_TLV_BYTES: |
| 2435 | add_reg_info( |
| 2436 | &tlv->hf_value, name, abbrev, FT_BYTES, BASE_NONE, blurb); |
| 2437 | break; |
| 2438 | |
| 2439 | case WIMAXASNCP_TLV_ENUM8: |
| 2440 | add_reg_info( |
| 2441 | &tlv->hf_value, name, abbrev, FT_UINT8, BASE_DEC, blurb); |
| 2442 | break; |
| 2443 | |
| 2444 | case WIMAXASNCP_TLV_ENUM16: |
| 2445 | add_reg_info( |
| 2446 | &tlv->hf_value, name, abbrev, FT_UINT16, BASE_DEC, blurb); |
| 2447 | break; |
| 2448 | |
| 2449 | case WIMAXASNCP_TLV_ENUM32: |
| 2450 | add_reg_info( |
| 2451 | &tlv->hf_value, name, abbrev, FT_UINT32, BASE_DEC, blurb); |
| 2452 | break; |
| 2453 | |
| 2454 | case WIMAXASNCP_TLV_ETHER: |
| 2455 | add_reg_info( |
| 2456 | &tlv->hf_value, name, abbrev, FT_ETHER, BASE_NONE, blurb); |
| 2457 | break; |
| 2458 | |
| 2459 | case WIMAXASNCP_TLV_ASCII_STRING: |
| 2460 | add_reg_info( |
| 2461 | &tlv->hf_value, name, abbrev, FT_STRING, BASE_NONE, blurb); |
| 2462 | break; |
| 2463 | |
| 2464 | case WIMAXASNCP_TLV_BITFLAGS8: |
| 2465 | add_reg_info( |
| 2466 | &tlv->hf_value, name, abbrev, FT_UINT8, BASE_HEX, blurb); |
| 2467 | break; |
| 2468 | |
| 2469 | case WIMAXASNCP_TLV_BITFLAGS16: |
| 2470 | add_reg_info( |
| 2471 | &tlv->hf_value, name, abbrev, FT_UINT16, BASE_HEX, blurb); |
| 2472 | break; |
| 2473 | |
| 2474 | case WIMAXASNCP_TLV_BITFLAGS32: |
| 2475 | add_reg_info( |
| 2476 | &tlv->hf_value, name, abbrev, FT_UINT32, BASE_HEX, blurb); |
| 2477 | break; |
| 2478 | |
| 2479 | case WIMAXASNCP_TLV_ID: |
| 2480 | wmem_free(wmem_epan_scope(), abbrev); |
| 2481 | |
| 2482 | abbrev = alnumerize( |
| 2483 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.ipv4_value", tlv->name)); |
| 2484 | |
| 2485 | add_reg_info( |
| 2486 | &tlv->hf_ipv4, "IPv4 Address", abbrev, FT_IPv4, BASE_NONE, blurb); |
| 2487 | |
| 2488 | abbrev = alnumerize( |
| 2489 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.ipv6_value", tlv->name)); |
| 2490 | |
| 2491 | add_reg_info( |
| 2492 | &tlv->hf_ipv6, "IPv6 Address", abbrev, FT_IPv6, BASE_NONE, blurb); |
| 2493 | |
| 2494 | abbrev = alnumerize( |
| 2495 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.bsid_value", tlv->name)); |
| 2496 | |
| 2497 | add_reg_info( |
| 2498 | &tlv->hf_bsid, "BS ID", abbrev, FT_ETHER, BASE_NONE, blurb); |
| 2499 | |
| 2500 | break; |
| 2501 | |
| 2502 | case WIMAXASNCP_TLV_HEX8: |
| 2503 | add_reg_info( |
| 2504 | &tlv->hf_value, name, abbrev, FT_UINT8, BASE_HEX, blurb); |
| 2505 | break; |
| 2506 | |
| 2507 | case WIMAXASNCP_TLV_HEX16: |
| 2508 | add_reg_info( |
| 2509 | &tlv->hf_value, name, abbrev, FT_UINT16, BASE_HEX, blurb); |
| 2510 | break; |
| 2511 | |
| 2512 | case WIMAXASNCP_TLV_HEX32: |
| 2513 | add_reg_info( |
| 2514 | &tlv->hf_value, name, abbrev, FT_UINT32, BASE_HEX, blurb); |
| 2515 | break; |
| 2516 | |
| 2517 | case WIMAXASNCP_TLV_DEC8: |
| 2518 | add_reg_info( |
| 2519 | &tlv->hf_value, name, abbrev, FT_UINT8, BASE_DEC, blurb); |
| 2520 | break; |
| 2521 | |
| 2522 | case WIMAXASNCP_TLV_DEC16: |
| 2523 | add_reg_info( |
| 2524 | &tlv->hf_value, name, abbrev, FT_UINT16, BASE_DEC, blurb); |
| 2525 | break; |
| 2526 | |
| 2527 | case WIMAXASNCP_TLV_DEC32: |
| 2528 | add_reg_info( |
| 2529 | &tlv->hf_value, name, abbrev, FT_UINT32, BASE_DEC, blurb); |
| 2530 | break; |
| 2531 | |
| 2532 | case WIMAXASNCP_TLV_IP_ADDRESS: |
| 2533 | wmem_free(wmem_epan_scope(), abbrev); |
| 2534 | |
| 2535 | abbrev = alnumerize( |
| 2536 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.ipv4_value", tlv->name)); |
| 2537 | |
| 2538 | add_reg_info( |
| 2539 | &tlv->hf_ipv4, "IPv4 Address", abbrev, FT_IPv4, BASE_NONE, blurb); |
| 2540 | |
| 2541 | abbrev = alnumerize( |
| 2542 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.ipv6_value", tlv->name)); |
| 2543 | |
| 2544 | add_reg_info( |
| 2545 | &tlv->hf_ipv6, "IPv6 Address", abbrev, FT_IPv6, BASE_NONE, blurb); |
| 2546 | |
| 2547 | break; |
| 2548 | |
| 2549 | case WIMAXASNCP_TLV_IPV4_ADDRESS: |
| 2550 | add_reg_info( |
| 2551 | &tlv->hf_value, name, abbrev, FT_IPv4, BASE_NONE, blurb); |
| 2552 | break; |
| 2553 | |
| 2554 | case WIMAXASNCP_TLV_PROTOCOL_LIST: |
| 2555 | add_reg_info( |
| 2556 | &tlv->hf_value, name, abbrev, FT_BYTES, BASE_NONE, blurb); |
| 2557 | |
| 2558 | blurb = wmem_strdup_printf(wmem_epan_scope(), "value component for type=%u", tlv->type); |
| 2559 | |
| 2560 | abbrev = alnumerize( |
| 2561 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.value.protocol", tlv->name)); |
| 2562 | |
| 2563 | add_reg_info( |
| 2564 | &tlv->hf_protocol, "Protocol", abbrev, FT_UINT16, BASE_DEC, blurb); |
| 2565 | |
| 2566 | break; |
| 2567 | |
| 2568 | case WIMAXASNCP_TLV_PORT_RANGE_LIST: |
| 2569 | add_reg_info( |
| 2570 | &tlv->hf_value, name, abbrev, FT_BYTES, BASE_NONE, blurb); |
| 2571 | |
| 2572 | blurb = wmem_strdup_printf(wmem_epan_scope(), "value component for type=%u", tlv->type); |
| 2573 | |
| 2574 | abbrev = alnumerize( |
| 2575 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.value.port_low", tlv->name)); |
| 2576 | |
| 2577 | add_reg_info( |
| 2578 | &tlv->hf_port_low, "Port Low", abbrev, FT_UINT16, BASE_DEC, blurb); |
| 2579 | |
| 2580 | abbrev = alnumerize( |
| 2581 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.value.port_high", tlv->name)); |
| 2582 | |
| 2583 | add_reg_info( |
| 2584 | &tlv->hf_port_high, "Port High", abbrev, FT_UINT16, BASE_DEC, blurb); |
| 2585 | |
| 2586 | break; |
| 2587 | |
| 2588 | case WIMAXASNCP_TLV_IP_ADDRESS_MASK_LIST: |
| 2589 | add_reg_info( |
| 2590 | &tlv->hf_value, name, abbrev, FT_BYTES, BASE_NONE, blurb); |
| 2591 | |
| 2592 | blurb = wmem_strdup_printf(wmem_epan_scope(), "value component for type=%u", tlv->type); |
| 2593 | |
| 2594 | abbrev = alnumerize( |
| 2595 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.value.ipv4", tlv->name)); |
| 2596 | |
| 2597 | add_reg_info( |
| 2598 | &tlv->hf_ipv4, "IPv4 Address", abbrev, FT_IPv4, BASE_NONE, blurb); |
| 2599 | |
| 2600 | abbrev = alnumerize( |
| 2601 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.value.ipv4_mask", tlv->name)); |
| 2602 | |
| 2603 | add_reg_info( |
| 2604 | &tlv->hf_ipv4_mask, "IPv4 Mask", abbrev, FT_IPv4, BASE_NONE, blurb); |
| 2605 | |
| 2606 | abbrev = alnumerize( |
| 2607 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.value.ipv6", tlv->name)); |
| 2608 | |
| 2609 | add_reg_info( |
| 2610 | &tlv->hf_ipv6, "IPv6 Address", abbrev, FT_IPv6, BASE_NONE, blurb); |
| 2611 | |
| 2612 | abbrev = alnumerize( |
| 2613 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.value.ipv6_mask", tlv->name)); |
| 2614 | |
| 2615 | add_reg_info( |
| 2616 | &tlv->hf_ipv6_mask, "IPv6 Mask", abbrev, FT_IPv6, BASE_NONE, blurb); |
| 2617 | |
| 2618 | break; |
| 2619 | |
| 2620 | case WIMAXASNCP_TLV_VENDOR_SPECIFIC: |
| 2621 | add_reg_info( |
| 2622 | &tlv->hf_value, name, abbrev, FT_BYTES, BASE_NONE, blurb); |
| 2623 | |
| 2624 | blurb = wmem_strdup_printf(wmem_epan_scope(), "value component for type=%u", tlv->type); |
| 2625 | |
| 2626 | abbrev = alnumerize( |
| 2627 | wmem_strdup_printf(wmem_epan_scope(), "wimaxasncp.tlv.%s.value.vendor_id", tlv->name)); |
| 2628 | |
| 2629 | add_reg_info( |
| 2630 | &tlv->hf_vendor_id, "Vendor ID", abbrev, FT_UINT24, BASE_DEC, blurb); |
| 2631 | |
| 2632 | abbrev = alnumerize( |
| 2633 | wmem_strdup_printf(wmem_epan_scope(), |
| 2634 | "wimaxasncp.tlv.%s.value.vendor_rest_of_info", tlv->name)); |
| 2635 | |
| 2636 | add_reg_info( |
| 2637 | &tlv->hf_vendor_rest_of_info, "Rest of Info", abbrev, FT_BYTES, BASE_NONE, |
| 2638 | blurb); |
| 2639 | |
| 2640 | break; |
| 2641 | |
| 2642 | case WIMAXASNCP_TLV_EAP: |
| 2643 | blurb = wmem_strdup_printf(wmem_epan_scope(), "EAP payload embedded in %s", name); |
| 2644 | |
| 2645 | add_reg_info( |
| 2646 | &tlv->hf_value, name, abbrev, FT_BYTES, BASE_NONE, blurb); |
| 2647 | break; |
| 2648 | |
| 2649 | |
| 2650 | default: |
| 2651 | add_reg_info( |
| 2652 | &tlv->hf_value, name, abbrev, FT_BYTES, BASE_NONE, blurb); |
| 2653 | |
| 2654 | report_warning("WiMax: unknown decoder: %d\n", tlv->decoder); |
| 2655 | break; |
| 2656 | } |
| 2657 | } |
| 2658 | |
| 2659 | static int wimaxasncp_decode_type(const char* name) |
| 2660 | { |
| 2661 | size_t i; |
| 2662 | for (i = 0; i < array_length(wimaxasncp_decode_type_vals)(sizeof (wimaxasncp_decode_type_vals) / sizeof (wimaxasncp_decode_type_vals )[0]) - 1; ++i) |
| 2663 | { |
| 2664 | if (strcmp(name, wimaxasncp_decode_type_vals[i].strptr) == 0) |
| 2665 | { |
| 2666 | return wimaxasncp_decode_type_vals[i].value; |
| 2667 | } |
| 2668 | } |
| 2669 | |
| 2670 | /* not found, emit some sort of error here? */ |
| 2671 | |
| 2672 | return WIMAXASNCP_TLV_TBD; |
| 2673 | } |
| 2674 | |
| 2675 | typedef struct wimaxasncp_dict_tlv_enum |
| 2676 | { |
| 2677 | xmlChar* name; |
| 2678 | unsigned code; |
| 2679 | |
| 2680 | } wimaxasncp_dict_tlv_enum_t; |
| 2681 | |
| 2682 | typedef struct wimaxasncp_dict_tlv |
| 2683 | { |
| 2684 | xmlChar* name; |
| 2685 | xmlChar* description; |
| 2686 | uint16_t type; |
| 2687 | int decoder; |
| 2688 | unsigned since; |
| 2689 | GSList* enums; |
| 2690 | |
| 2691 | } wimaxasncp_dict_tlv_t; |
| 2692 | |
| 2693 | |
| 2694 | static void |
| 2695 | wimaxasncp_dict_print_tlv_enum(void* data, void* user_data) |
| 2696 | { |
| 2697 | wimaxasncp_dict_tlv_enum_t* tlv_enum = (wimaxasncp_dict_tlv_enum_t*)data; |
| 2698 | FILE* fh = (FILE*)user_data; |
| 2699 | |
| 2700 | fprintf(fh, "\tEnum: %s[%u]\n", |
| 2701 | tlv_enum->name ? (char*)tlv_enum->name : "-", |
| 2702 | tlv_enum->code); |
| 2703 | } |
| 2704 | |
| 2705 | static void |
| 2706 | wimaxasncp_dict_print_tlv(void* data, void* user_data) |
| 2707 | { |
| 2708 | wimaxasncp_dict_tlv_t* tlv = (wimaxasncp_dict_tlv_t*)data; |
| 2709 | FILE* fh = (FILE*)user_data; |
| 2710 | |
| 2711 | char* str_decoder = val_to_str_wmem(NULL((void*)0), tlv->decoder, wimaxasncp_decode_type_vals, "Unknown"); |
| 2712 | fprintf(fh, "TLV: %s[%u] %s[%d] %s (since %u)\n", |
| 2713 | tlv->name ? (char*)tlv->name : "-", |
| 2714 | tlv->type, |
| 2715 | str_decoder, |
| 2716 | tlv->decoder, |
| 2717 | tlv->description ? (char*)tlv->description : "", |
| 2718 | tlv->since); |
| 2719 | wmem_free(NULL((void*)0), str_decoder); |
| 2720 | g_slist_foreach(tlv->enums, wimaxasncp_dict_print_tlv_enum, fh); |
| 2721 | } |
| 2722 | |
| 2723 | void wimaxasncp_dict_print(FILE* fh, GSList* tlvs) |
| 2724 | { |
| 2725 | fprintf(fh, "\n"); |
| 2726 | |
| 2727 | g_slist_foreach(tlvs, wimaxasncp_dict_print_tlv, fh); |
| 2728 | } |
| 2729 | |
| 2730 | static void |
| 2731 | wimaxasncp_print_tlv(void* data, void* user_data) |
| 2732 | { |
| 2733 | wimaxasncp_tlv_new_t* tlv = (wimaxasncp_tlv_new_t*)data; |
| 2734 | FILE* fh = (FILE*)user_data; |
| 2735 | |
| 2736 | char* str_decoder = val_to_str_wmem(NULL((void*)0), tlv->decoder, wimaxasncp_decode_type_vals, "Unknown"); |
| 2737 | fprintf(fh, |
| 2738 | "%s\n" |
| 2739 | " type = %u\n" |
| 2740 | " description = %s\n" |
| 2741 | " decoder = %s\n" |
| 2742 | " hf_root = %d\n" |
| 2743 | " hf_value = %d\n" |
| 2744 | " hf_ipv4 = %d\n" |
| 2745 | " hf_ipv6 = %d\n" |
| 2746 | " hf_bsid = %d\n" |
| 2747 | " hf_protocol = %d\n" |
| 2748 | " hf_port_low = %d\n" |
| 2749 | " hf_port_high = %d\n" |
| 2750 | " hf_ipv4_mask = %d\n" |
| 2751 | " hf_ipv6_mask = %d\n" |
| 2752 | " hf_vendor_id = %d\n" |
| 2753 | " hf_vendor_rest_of_info = %d\n", |
| 2754 | tlv->name, |
| 2755 | tlv->type, |
| 2756 | tlv->description, |
| 2757 | str_decoder, |
| 2758 | tlv->hf_root, |
| 2759 | tlv->hf_value, |
| 2760 | tlv->hf_ipv4, |
| 2761 | tlv->hf_ipv6, |
| 2762 | tlv->hf_bsid, |
| 2763 | tlv->hf_protocol, |
| 2764 | tlv->hf_port_low, |
| 2765 | tlv->hf_port_high, |
| 2766 | tlv->hf_ipv4_mask, |
| 2767 | tlv->hf_ipv6_mask, |
| 2768 | tlv->hf_vendor_id, |
| 2769 | tlv->hf_vendor_rest_of_info); |
| 2770 | wmem_free(NULL((void*)0), str_decoder); |
| 2771 | } |
| 2772 | |
| 2773 | static bool_Bool |
| 2774 | wimaxasncp_dictionary_process_file(const char* filename, GSList** tlvs) |
| 2775 | { |
| 2776 | xmlDocPtr doc; |
| 2777 | xmlNodePtr root_element = NULL((void*)0); |
| 2778 | bool_Bool status = true1; |
| 2779 | |
| 2780 | doc = xmlReadFile(filename, NULL((void*)0), XML_PARSE_NOENT); |
| 2781 | if (doc == NULL((void*)0)) |
| 2782 | return false0; |
| 2783 | |
| 2784 | root_element = xmlDocGetRootElement(doc); |
| 2785 | if (root_element == NULL((void*)0)) { |
| 2786 | status = false0; |
| 2787 | goto cleanup; |
| 2788 | } |
| 2789 | |
| 2790 | // Iterate through top-level child elements |
| 2791 | for (xmlNodePtr current_node = root_element->children; current_node != NULL((void*)0); current_node = current_node->next) |
| 2792 | { |
| 2793 | if (current_node->type != XML_ELEMENT_NODE) |
| 2794 | continue; |
| 2795 | |
| 2796 | // Process <base> element |
| 2797 | if (xmlStrcmp(current_node->name, (const xmlChar*)"tlv") == 0) |
| 2798 | { |
| 2799 | wimaxasncp_dict_tlv_t* element = g_new0(wimaxasncp_dict_tlv_t, 1)((wimaxasncp_dict_tlv_t *) g_malloc0_n ((1), sizeof (wimaxasncp_dict_tlv_t ))); |
| 2800 | element->name = xmlGetProp(current_node, (const xmlChar*)"name"); |
| 2801 | element->description = xmlGetProp(current_node, (const xmlChar*)"description"); |
| 2802 | xmlChar* str_type = xmlGetProp(current_node, (const xmlChar*)"type"); |
| 2803 | if (str_type != NULL((void*)0)) |
| 2804 | { |
| 2805 | if (g_ascii_strncasecmp(str_type, "0x", 2) == 0) |
| 2806 | { |
| 2807 | ws_hexstrtou16(str_type, NULL((void*)0), &element->type); |
| 2808 | } |
| 2809 | else |
| 2810 | { |
| 2811 | ws_strtou16(str_type, NULL((void*)0), &element->type); |
| 2812 | } |
| 2813 | xmlFree(str_type); |
| 2814 | } |
| 2815 | xmlChar* str_since = xmlGetProp(current_node, (const xmlChar*)"since"); |
| 2816 | if (str_since != NULL((void*)0)) |
| 2817 | { |
| 2818 | ws_strtou32(str_since, NULL((void*)0), &element->since); |
| 2819 | xmlFree(str_since); |
| 2820 | } |
| 2821 | xmlChar* str_decoder = xmlGetProp(current_node, (const xmlChar*)"decoder"); |
| 2822 | if (str_decoder != NULL((void*)0)) |
| 2823 | { |
| 2824 | element->decoder = wimaxasncp_decode_type(str_decoder); |
| 2825 | xmlFree(str_decoder); |
| 2826 | } |
| 2827 | |
| 2828 | for (xmlNodePtr tlv_children = current_node->children; tlv_children != NULL((void*)0); tlv_children = tlv_children->next) |
| 2829 | { |
| 2830 | if (tlv_children->type != XML_ELEMENT_NODE) |
| 2831 | continue; |
| 2832 | |
| 2833 | if (xmlStrcmp(tlv_children->name, (const xmlChar*)"enum") == 0) |
| 2834 | { |
| 2835 | wimaxasncp_dict_tlv_enum_t* tlv_enum = g_new0(wimaxasncp_dict_tlv_enum_t, 1)((wimaxasncp_dict_tlv_enum_t *) g_malloc0_n ((1), sizeof (wimaxasncp_dict_tlv_enum_t ))); |
| 2836 | tlv_enum->name = xmlGetProp(tlv_children, (const xmlChar*)"name"); |
| 2837 | xmlChar* str_code = xmlGetProp(tlv_children, (const xmlChar*)"code"); |
| 2838 | if (str_code != NULL((void*)0)) |
| 2839 | { |
| 2840 | if (g_ascii_strncasecmp(str_code, "0x", 2) == 0) |
| 2841 | { |
| 2842 | ws_hexstrtou32(str_code, NULL((void*)0), &tlv_enum->code); |
| 2843 | } |
| 2844 | else if (g_ascii_isdigit(str_code[0])((g_ascii_table[(guchar) (str_code[0])] & G_ASCII_DIGIT) != 0)) |
| 2845 | { |
| 2846 | ws_strtou32(str_code, NULL((void*)0), &tlv_enum->code); |
| 2847 | } |
| 2848 | else |
| 2849 | { |
| 2850 | GMatchInfo* match_info; |
| 2851 | static GRegex* regex = NULL((void*)0); |
| 2852 | if (regex == NULL((void*)0)) |
| 2853 | { |
| 2854 | regex = g_regex_new("^(WIMAXASNCP_BIT)(\\d+)\\((\\d+)\\)$", |
| 2855 | G_REGEX_DEFAULT, 0, NULL((void*)0)); |
| 2856 | } |
| 2857 | |
| 2858 | if (g_regex_match_full(regex, str_code, -1, 0, 0, &match_info, NULL((void*)0))) |
| 2859 | { |
| 2860 | unsigned bit_value = 0, bit_shift = 0; |
| 2861 | gchar* bit_value_str = g_match_info_fetch(match_info, 2); |
| 2862 | gchar* parenthesized_value_str = g_match_info_fetch(match_info, 3); |
| 2863 | |
| 2864 | ws_strtou32(bit_value_str, NULL((void*)0), &bit_value); |
| 2865 | switch(bit_value) |
| 2866 | { |
| 2867 | case 8: |
| 2868 | if (ws_strtou32(parenthesized_value_str, NULL((void*)0), &bit_shift)) |
| 2869 | tlv_enum->code = 1 << (7 - bit_shift); |
| 2870 | break; |
| 2871 | case 16: |
| 2872 | if (ws_strtou32(parenthesized_value_str, NULL((void*)0), &bit_shift)) |
| 2873 | tlv_enum->code = 1 << (15 - bit_shift); |
| 2874 | break; |
| 2875 | case 32: |
| 2876 | if (ws_strtou32(parenthesized_value_str, NULL((void*)0), &bit_shift)) |
| 2877 | tlv_enum->code = 1 << (31 - bit_shift); |
| 2878 | break; |
| 2879 | } |
| 2880 | |
| 2881 | } |
| 2882 | g_match_info_free(match_info); |
| 2883 | } |
| 2884 | xmlFree(str_code); |
| 2885 | } |
| 2886 | element->enums = g_slist_append(element->enums, tlv_enum); |
| 2887 | } |
| 2888 | } |
| 2889 | |
| 2890 | (*tlvs) = g_slist_append((*tlvs), element); |
| 2891 | } |
| 2892 | } |
| 2893 | cleanup: |
| 2894 | xmlFreeDoc(doc); |
| 2895 | |
| 2896 | return status; |
| 2897 | } |
| 2898 | |
| 2899 | static void |
| 2900 | wimaxasncp_dict_enum_process(void* data, void* user_data) |
| 2901 | { |
| 2902 | wimaxasncp_dict_tlv_enum_t* dict_enum = (wimaxasncp_dict_tlv_enum_t*)data; |
| 2903 | wmem_array_t* array = (wmem_array_t*)user_data; |
| 2904 | |
| 2905 | value_string item = { dict_enum->code, wmem_strdup(wmem_epan_scope(), dict_enum->name) }; |
| 2906 | wmem_array_append_one(array, item)wmem_array_append((array), &(item), 1); |
| 2907 | } |
| 2908 | |
| 2909 | static void |
| 2910 | wimaxasncp_dict_process(void* data, void* user_data) |
| 2911 | { |
| 2912 | wimaxasncp_dict_tlv_t* dict_tlv = (wimaxasncp_dict_tlv_t*)data; |
| 2913 | wmem_list_t* tlvs = (wmem_list_t*)user_data; |
| 2914 | wimaxasncp_tlv_new_t* tlv = wmem_new0(wmem_epan_scope(), wimaxasncp_tlv_new_t)((wimaxasncp_tlv_new_t*)wmem_alloc0((wmem_epan_scope()), sizeof (wimaxasncp_tlv_new_t))); |
| 2915 | |
| 2916 | tlv->type = dict_tlv->type; |
| 2917 | tlv->name = wmem_strdup(wmem_epan_scope(), dict_tlv->name); |
| 2918 | tlv->description = wmem_strdup(wmem_epan_scope(), dict_tlv->description); |
| 2919 | tlv->decoder = dict_tlv->decoder; |
| 2920 | tlv->since = dict_tlv->since; |
| 2921 | |
| 2922 | if (dict_tlv->enums != NULL((void*)0)) |
| 2923 | { |
| 2924 | /* Create array for enums */ |
| 2925 | wmem_array_t* array = wmem_array_new(wmem_epan_scope(), sizeof(value_string)); |
| 2926 | |
| 2927 | /* Copy each entry into value_string array */ |
| 2928 | g_slist_foreach(dict_tlv->enums, wimaxasncp_dict_enum_process, array); |
| 2929 | |
| 2930 | /* Set enums to use with this TLV */ |
| 2931 | wmem_array_set_null_terminator(array); |
| 2932 | tlv->enum_vs = (value_string*)wmem_array_get_raw(array); |
| 2933 | } |
| 2934 | |
| 2935 | add_tlv_reg_info(tlv); |
| 2936 | |
| 2937 | wmem_list_append(tlvs, tlv); |
| 2938 | } |
| 2939 | |
| 2940 | static void |
| 2941 | wimaxasncp_dict_tlv_enum_clean(void* data, void* user_data _U___attribute__((unused))) |
| 2942 | { |
| 2943 | wimaxasncp_dict_tlv_enum_t* dict_enum = (wimaxasncp_dict_tlv_enum_t*)data; |
| 2944 | xmlFree(dict_enum->name); |
| 2945 | } |
| 2946 | |
| 2947 | static void |
| 2948 | wimaxasncp_dict_clean(void* data, void* user_data) |
| 2949 | { |
| 2950 | wimaxasncp_dict_tlv_t* dict_tlv = (wimaxasncp_dict_tlv_t*)data; |
| 2951 | |
| 2952 | xmlFree(dict_tlv->name); |
| 2953 | xmlFree(dict_tlv->description); |
| 2954 | |
| 2955 | g_slist_foreach(dict_tlv->enums, wimaxasncp_dict_tlv_enum_clean, user_data); |
| 2956 | g_slist_free(dict_tlv->enums); |
| 2957 | } |
| 2958 | |
| 2959 | /* ========================================================================= */ |
| 2960 | /* Register the protocol fields and subtrees with Wireshark */ |
| 2961 | static void |
| 2962 | register_wimaxasncp_fields(const char* unused _U___attribute__((unused))) |
| 2963 | { |
| 2964 | bool_Bool dump_dict = getenv("WIRESHARK_DUMP_WIMAXASNCP_DICT") != NULL((void*)0); |
| 2965 | |
| 2966 | /* ------------------------------------------------------------------------ |
| 2967 | * List of header fields |
| 2968 | * ------------------------------------------------------------------------ |
| 2969 | */ |
| 2970 | |
| 2971 | static hf_register_info hf_base[] = { |
| 2972 | { |
| 2973 | &hf_wimaxasncp_version, |
| 2974 | { |
| 2975 | "Version", |
| 2976 | "wimaxasncp.version", |
| 2977 | FT_UINT8, |
| 2978 | BASE_DEC, |
| 2979 | NULL((void*)0), |
| 2980 | 0x0, |
| 2981 | NULL((void*)0), |
| 2982 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 2983 | } |
| 2984 | }, |
| 2985 | { |
| 2986 | &hf_wimaxasncp_flags, |
| 2987 | { |
| 2988 | "Flags", |
| 2989 | "wimaxasncp.flags", |
| 2990 | FT_UINT8, |
| 2991 | BASE_HEX, |
| 2992 | NULL((void*)0), |
| 2993 | 0, |
| 2994 | NULL((void*)0), |
| 2995 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 2996 | } |
| 2997 | }, |
| 2998 | { |
| 2999 | &hf_wimaxasncp_flags_r, |
| 3000 | { |
| 3001 | "R - Reset Next Expected Transaction ID", |
| 3002 | "wimaxasncp.flags.r", |
| 3003 | FT_UINT8, |
| 3004 | BASE_HEX, |
| 3005 | NULL((void*)0), |
| 3006 | 0x01, |
| 3007 | NULL((void*)0), |
| 3008 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3009 | } |
| 3010 | }, |
| 3011 | { |
| 3012 | &hf_wimaxasncp_flags_t, |
| 3013 | { |
| 3014 | "T - Source and Destination Identifier TLVs", |
| 3015 | "wimaxasncp.flags.t", |
| 3016 | FT_UINT8, |
| 3017 | BASE_HEX, |
| 3018 | NULL((void*)0), |
| 3019 | 0x02, |
| 3020 | NULL((void*)0), |
| 3021 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3022 | } |
| 3023 | }, |
| 3024 | { |
| 3025 | &hf_wimaxasncp_flags_reserved, |
| 3026 | { |
| 3027 | "Reserved", |
| 3028 | "wimaxasncp.flags.reserved", |
| 3029 | FT_UINT8, |
| 3030 | BASE_HEX, |
| 3031 | NULL((void*)0), |
| 3032 | 0xFC, |
| 3033 | NULL((void*)0), |
| 3034 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3035 | } |
| 3036 | }, |
| 3037 | { |
| 3038 | &hf_wimaxasncp_function_type, |
| 3039 | { |
| 3040 | "Function Type", |
| 3041 | "wimaxasncp.function_type", |
| 3042 | FT_UINT8, |
| 3043 | BASE_DEC, |
| 3044 | NULL((void*)0), |
| 3045 | 0x0, |
| 3046 | NULL((void*)0), |
| 3047 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3048 | } |
| 3049 | }, |
| 3050 | { |
| 3051 | &hf_wimaxasncp_op_id, |
| 3052 | { |
| 3053 | "OP ID", |
| 3054 | "wimaxasncp.opid", |
| 3055 | FT_UINT8, |
| 3056 | BASE_HEX, |
| 3057 | VALS(wimaxasncp_op_id_vals)((0 ? (const struct _value_string*)0 : ((wimaxasncp_op_id_vals )))), |
| 3058 | 0xE0, |
| 3059 | NULL((void*)0), |
| 3060 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3061 | } |
| 3062 | }, |
| 3063 | { |
| 3064 | &hf_wimaxasncp_message_type, |
| 3065 | { |
| 3066 | "Message Type", |
| 3067 | "wimaxasncp.message_type", |
| 3068 | FT_UINT8, |
| 3069 | BASE_HEX, |
| 3070 | NULL((void*)0), |
| 3071 | 0x1F, |
| 3072 | NULL((void*)0), |
| 3073 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3074 | } |
| 3075 | }, |
| 3076 | { |
| 3077 | &hf_wimaxasncp_length, |
| 3078 | { |
| 3079 | "Length", |
| 3080 | "wimaxasncp.length", |
| 3081 | FT_UINT16, |
| 3082 | BASE_DEC, |
| 3083 | NULL((void*)0), |
| 3084 | 0x0, |
| 3085 | NULL((void*)0), |
| 3086 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3087 | } |
| 3088 | }, |
| 3089 | { |
| 3090 | &hf_wimaxasncp_msid, |
| 3091 | { |
| 3092 | "MSID", |
| 3093 | "wimaxasncp.msid", |
| 3094 | FT_ETHER, |
| 3095 | BASE_NONE, |
| 3096 | NULL((void*)0), |
| 3097 | 0x0, |
| 3098 | NULL((void*)0), |
| 3099 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3100 | } |
| 3101 | }, |
| 3102 | { |
| 3103 | &hf_wimaxasncp_reserved1, |
| 3104 | { |
| 3105 | "Reserved", |
| 3106 | "wimaxasncp.reserved1", |
| 3107 | FT_UINT32, |
| 3108 | BASE_HEX, |
| 3109 | NULL((void*)0), |
| 3110 | 0x0, |
| 3111 | NULL((void*)0), |
| 3112 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3113 | } |
| 3114 | }, |
| 3115 | { |
| 3116 | &hf_wimaxasncp_transaction_id, |
| 3117 | { |
| 3118 | "Transaction ID", |
| 3119 | "wimaxasncp.transaction_id", |
| 3120 | FT_UINT16, |
| 3121 | BASE_HEX, |
| 3122 | NULL((void*)0), |
| 3123 | 0x0, |
| 3124 | NULL((void*)0), |
| 3125 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3126 | } |
| 3127 | }, |
| 3128 | { |
| 3129 | &hf_wimaxasncp_reserved2, |
| 3130 | { |
| 3131 | "Reserved", |
| 3132 | "wimaxasncp.reserved2", |
| 3133 | FT_UINT16, |
| 3134 | BASE_HEX, |
| 3135 | NULL((void*)0), |
| 3136 | 0x0, |
| 3137 | NULL((void*)0), |
| 3138 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3139 | } |
| 3140 | }, |
| 3141 | #if 0 |
| 3142 | { |
| 3143 | &hf_wimaxasncp_tlv, |
| 3144 | { |
| 3145 | "TLV", |
| 3146 | "wimaxasncp.tlv", |
| 3147 | FT_BYTES, |
| 3148 | BASE_NONE, |
| 3149 | NULL((void*)0), |
| 3150 | 0x0, |
| 3151 | NULL((void*)0), |
| 3152 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3153 | } |
| 3154 | }, |
| 3155 | #endif |
| 3156 | { |
| 3157 | &hf_wimaxasncp_tlv_type, |
| 3158 | { |
| 3159 | "Type", |
| 3160 | "wimaxasncp.tlv.type", |
| 3161 | FT_UINT16, |
| 3162 | BASE_DEC, |
| 3163 | NULL((void*)0), |
| 3164 | 0x0, |
| 3165 | NULL((void*)0), |
| 3166 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3167 | } |
| 3168 | }, |
| 3169 | { |
| 3170 | &hf_wimaxasncp_tlv_length, |
| 3171 | { |
| 3172 | "Length", |
| 3173 | "wimaxasncp.tlv.length", |
| 3174 | FT_UINT16, |
| 3175 | BASE_DEC, |
| 3176 | NULL((void*)0), |
| 3177 | 0x0, |
| 3178 | NULL((void*)0), |
| 3179 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3180 | } |
| 3181 | }, |
| 3182 | { |
| 3183 | &hf_wimaxasncp_tlv_value_bytes, |
| 3184 | { |
| 3185 | "Value", |
| 3186 | "wimaxasncp.tlv_value_bytes", |
| 3187 | FT_BYTES, |
| 3188 | BASE_NONE, |
| 3189 | NULL((void*)0), |
| 3190 | 0x0, |
| 3191 | NULL((void*)0), |
| 3192 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3193 | } |
| 3194 | }, |
| 3195 | { |
| 3196 | &hf_wimaxasncp_tlv_value_bitflags8, |
| 3197 | { |
| 3198 | "Value", |
| 3199 | "wimaxasncp.tlv_value_bitflags8", |
| 3200 | FT_UINT8, |
| 3201 | BASE_HEX, |
| 3202 | NULL((void*)0), |
| 3203 | 0xff, |
| 3204 | NULL((void*)0), |
| 3205 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3206 | } |
| 3207 | }, |
| 3208 | { |
| 3209 | &hf_wimaxasncp_tlv_value_bitflags16, |
| 3210 | { |
| 3211 | "Value", |
| 3212 | "wimaxasncp.tlv_value_bitflags16", |
| 3213 | FT_UINT16, |
| 3214 | BASE_HEX, |
| 3215 | NULL((void*)0), |
| 3216 | 0xffff, |
| 3217 | NULL((void*)0), |
| 3218 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3219 | } |
| 3220 | }, |
| 3221 | { |
| 3222 | &hf_wimaxasncp_tlv_value_bitflags32, |
| 3223 | { |
| 3224 | "Value", |
| 3225 | "wimaxasncp.tlv_value_bitflags32", |
| 3226 | FT_UINT32, |
| 3227 | BASE_HEX, |
| 3228 | NULL((void*)0), |
| 3229 | 0xffffffff, |
| 3230 | NULL((void*)0), |
| 3231 | HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) |
| 3232 | } |
| 3233 | }, |
| 3234 | }; |
| 3235 | |
| 3236 | /* ------------------------------------------------------------------------ |
| 3237 | * Protocol subtree array |
| 3238 | * ------------------------------------------------------------------------ |
| 3239 | */ |
| 3240 | |
| 3241 | static int *ett_base[] = { |
| 3242 | &ett_wimaxasncp, |
| 3243 | &ett_wimaxasncp_flags, |
| 3244 | &ett_wimaxasncp_tlv, |
| 3245 | &ett_wimaxasncp_tlv_value_bitflags8, |
| 3246 | &ett_wimaxasncp_tlv_value_bitflags16, |
| 3247 | &ett_wimaxasncp_tlv_value_bitflags32, |
| 3248 | &ett_wimaxasncp_tlv_protocol_list, |
| 3249 | &ett_wimaxasncp_tlv_port_range_list, |
| 3250 | &ett_wimaxasncp_tlv_ip_address_mask_list, |
| 3251 | &ett_wimaxasncp_tlv_ip_address_mask, |
| 3252 | &ett_wimaxasncp_tlv_eap, |
| 3253 | &ett_wimaxasncp_tlv_vendor_specific_information_field, |
| 3254 | &ett_wimaxasncp_port_range |
| 3255 | }; |
| 3256 | |
| 3257 | static ei_register_info ei[] = { |
| 3258 | { &ei_wimaxasncp_tlv_type, { "wimaxasncp.tlv.type.unknown", PI_UNDECODED0x05000000, PI_WARN0x00600000, "Unknown tlv", EXPFILL0, ((void*)0), 0, {0, {((void*)0), ((void*)0), FT_NONE, BASE_NONE , ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE, -1, ((void *)0)}} }}, |
| 3259 | { &ei_wimaxasncp_function_type, { "wimaxasncp.function_type.unknown", PI_UNDECODED0x05000000, PI_WARN0x00600000, "Unknown function type", EXPFILL0, ((void*)0), 0, {0, {((void*)0), ((void*)0), FT_NONE, BASE_NONE , ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE, -1, ((void *)0)}} }}, |
| 3260 | { &ei_wimaxasncp_op_id, { "wimaxasncp.opid.unknown", PI_UNDECODED0x05000000, PI_WARN0x00600000, "Unknown message op", EXPFILL0, ((void*)0), 0, {0, {((void*)0), ((void*)0), FT_NONE, BASE_NONE , ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE, -1, ((void *)0)}} }}, |
| 3261 | { &ei_wimaxasncp_decoder, { "wimaxasncp.decoder.unknown", PI_UNDECODED0x05000000, PI_WARN0x00600000, "Unknown decoder", EXPFILL0, ((void*)0), 0, {0, {((void*)0), ((void*)0), FT_NONE, BASE_NONE , ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE, -1, ((void *)0)}} }}, |
| 3262 | { &ei_wimaxasncp_message_type, { "wimaxasncp.message_type.unknown", PI_UNDECODED0x05000000, PI_WARN0x00600000, "Unknown message type", EXPFILL0, ((void*)0), 0, {0, {((void*)0), ((void*)0), FT_NONE, BASE_NONE , ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE, -1, ((void *)0)}} }}, |
| 3263 | { &ei_wimaxasncp_length_bad, { "wimaxasncp.length.bad", PI_MALFORMED0x07000000, PI_ERROR0x00800000, "Bad length", EXPFILL0, ((void*)0), 0, {0, {((void*)0), ((void*)0), FT_NONE, BASE_NONE , ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE, -1, ((void *)0)}} }}, |
| 3264 | }; |
| 3265 | |
| 3266 | expert_module_t* expert_wimaxasncp; |
| 3267 | GSList* all_tlvs = NULL((void*)0); |
| 3268 | |
| 3269 | /* ------------------------------------------------------------------------ |
| 3270 | * load the XML dictionary |
| 3271 | * ------------------------------------------------------------------------ |
| 3272 | */ |
| 3273 | char* dir = ws_strdup_printf("%s" G_DIR_SEPARATOR_S "wimaxasncp" G_DIR_SEPARATOR_S "dictionary.xml", get_datafile_dir())wmem_strdup_printf(((void*)0), "%s" "/" "wimaxasncp" "/" "dictionary.xml" , get_datafile_dir()); |
| 3274 | bool_Bool success = wimaxasncp_dictionary_process_file(dir, &all_tlvs); |
| 3275 | g_free(dir); |
| 3276 | |
| 3277 | if (success && dump_dict) |
| 3278 | wimaxasncp_dict_print(stdoutstdout, all_tlvs); |
| 3279 | |
| 3280 | /* ------------------------------------------------------------------------ |
| 3281 | * build the hf and ett dictionary entries |
| 3282 | * ------------------------------------------------------------------------ |
| 3283 | */ |
| 3284 | |
| 3285 | wimaxasncp_build_dict.hf = wmem_array_new(wmem_epan_scope(), sizeof(hf_register_info)); |
| 3286 | wmem_array_append(wimaxasncp_build_dict.hf, hf_base, array_length(hf_base)(sizeof (hf_base) / sizeof (hf_base)[0])); |
| 3287 | |
| 3288 | wimaxasncp_build_dict.ett = wmem_array_new(wmem_epan_scope(), sizeof(int*)); |
| 3289 | wmem_array_append(wimaxasncp_build_dict.ett, ett_base, array_length(ett_base)(sizeof (ett_base) / sizeof (ett_base)[0])); |
| 3290 | |
| 3291 | /* Convert the dictionary data to epan scoped data structures */ |
| 3292 | wimaxasncp_tlvs = wmem_list_new(wmem_epan_scope()); |
| 3293 | g_slist_foreach(all_tlvs, wimaxasncp_dict_process, wimaxasncp_tlvs); |
| 3294 | |
| 3295 | /* add an entry for unknown TLVs */ |
| 3296 | add_tlv_reg_info(&wimaxasncp_tlv_not_found); |
| 3297 | |
| 3298 | /* Clean up dictionary data */ |
| 3299 | g_slist_foreach(all_tlvs, wimaxasncp_dict_clean, NULL((void*)0)); |
| 3300 | |
| 3301 | /* Optionally print the hfs created from the dictionary */ |
| 3302 | if (success && dump_dict) |
| 3303 | wmem_list_foreach(wimaxasncp_tlvs, wimaxasncp_print_tlv, stdoutstdout); |
| 3304 | |
| 3305 | /* Required function calls to register the header fields and subtrees |
| 3306 | * used */ |
| 3307 | proto_register_field_array( |
| 3308 | proto_wimaxasncp, |
| 3309 | (hf_register_info*)wmem_array_get_raw(wimaxasncp_build_dict.hf), |
| 3310 | wmem_array_get_count(wimaxasncp_build_dict.hf)); |
| 3311 | |
| 3312 | proto_register_subtree_array( |
| 3313 | (int**)wmem_array_get_raw(wimaxasncp_build_dict.ett), |
| 3314 | wmem_array_get_count(wimaxasncp_build_dict.ett)); |
| 3315 | |
| 3316 | expert_wimaxasncp = expert_register_protocol(proto_wimaxasncp); |
| 3317 | expert_register_field_array(expert_wimaxasncp, ei, array_length(ei)(sizeof (ei) / sizeof (ei)[0])); |
| 3318 | |
| 3319 | } |
| 3320 | |
| 3321 | |
| 3322 | |
| 3323 | |
| 3324 | /* ========================================================================= */ |
| 3325 | /* Register the protocol with Wireshark */ |
| 3326 | |
| 3327 | /* this format is require because a script is used to build the C function |
| 3328 | that calls all the protocol registration. |
| 3329 | */ |
| 3330 | |
| 3331 | void |
| 3332 | proto_register_wimaxasncp(void) |
| 3333 | { |
| 3334 | module_t *wimaxasncp_module; |
| 3335 | |
| 3336 | /* ------------------------------------------------------------------------ |
| 3337 | * complete registration |
| 3338 | * ------------------------------------------------------------------------ |
| 3339 | */ |
| 3340 | |
| 3341 | /* Register the protocol name and description */ |
| 3342 | proto_wimaxasncp = proto_register_protocol("WiMAX ASN Control Plane Protocol", "WiMAX ASN CP", "wimaxasncp"); |
| 3343 | |
| 3344 | /* Register this dissector by name */ |
| 3345 | wimaxasncp_handle = register_dissector("wimaxasncp", dissect_wimaxasncp, proto_wimaxasncp); |
| 3346 | |
| 3347 | wimaxasncp_module = prefs_register_protocol(proto_wimaxasncp, NULL((void*)0)); |
| 3348 | |
| 3349 | /* Register preferences */ |
| 3350 | prefs_register_bool_preference( |
| 3351 | wimaxasncp_module, |
| 3352 | "show_transaction_id_d_bit", |
| 3353 | "Show transaction ID direction bit", |
| 3354 | "Show transaction ID direction bit separately from the rest of " |
| 3355 | "the transaction ID field.", |
| 3356 | &show_transaction_id_d_bit); |
| 3357 | |
| 3358 | prefs_register_enum_preference( |
| 3359 | wimaxasncp_module, |
| 3360 | "nwg_version", |
| 3361 | "NWG Version", |
| 3362 | "Version of the NWG that the R6 protocol complies with", |
| 3363 | &global_wimaxasncp_nwg_ver, |
| 3364 | wimaxasncp_nwg_versions, |
| 3365 | false0); |
| 3366 | |
| 3367 | proto_register_prefix("wimaxasncp", register_wimaxasncp_fields); |
| 3368 | } |
| 3369 | |
| 3370 | /* ========================================================================= */ |
| 3371 | /* If this dissector uses sub-dissector registration add a registration |
| 3372 | routine. This exact format is required because a script is used to find |
| 3373 | these routines and create the code that calls these routines. |
| 3374 | |
| 3375 | This function is also called by preferences whenever "Apply" is pressed |
| 3376 | (see prefs_register_protocol above) so it should accommodate being called |
| 3377 | more than once. |
| 3378 | */ |
| 3379 | void |
| 3380 | proto_reg_handoff_wimaxasncp(void) |
| 3381 | { |
| 3382 | /* Find the EAP dissector */ |
| 3383 | eap_handle = find_dissector_add_dependency("eap", proto_wimaxasncp); |
| 3384 | |
| 3385 | dissector_add_uint_with_preference("udp.port", WIMAXASNCP_DEF_UDP_PORT2231, wimaxasncp_handle); |
| 3386 | } |
| 3387 | |
| 3388 | |
| 3389 | /* |
| 3390 | * Editor modelines - https://www.wireshark.org/tools/modelines.html |
| 3391 | * |
| 3392 | * Local variables: |
| 3393 | * c-basic-offset: 4 |
| 3394 | * tab-width: 8 |
| 3395 | * indent-tabs-mode: nil |
| 3396 | * End: |
| 3397 | * |
| 3398 | * vi: set shiftwidth=4 tabstop=8 expandtab: |
| 3399 | * :indentSize=4:tabSize=8:noTabs=true: |
| 3400 | */ |