| File: | src/usr.sbin/tcpdump/print-gtp.c |
| Warning: | line 1413, column 3 Value stored to 'data' is never read |
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| 1 | /* $OpenBSD: print-gtp.c,v 1.13 2020/10/26 23:19:18 jca Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 2009, 2010 Joel Sing <jsing@openbsd.org> |
| 4 | * |
| 5 | * Permission to use, copy, modify, and distribute this software for any |
| 6 | * purpose with or without fee is hereby granted, provided that the above |
| 7 | * copyright notice and this permission notice appear in all copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 16 | */ |
| 17 | |
| 18 | /* |
| 19 | * Decoder for the GPRS Trunking Protocol (GTP). |
| 20 | * |
| 21 | * This work has been kindly sponsored by SystemNet (www.systemnet.no). |
| 22 | * |
| 23 | * GTPv0 standards are available from the ETSI website: |
| 24 | * |
| 25 | * http://pda.etsi.org/pda/ |
| 26 | * |
| 27 | * GTPv1 standards are available from the 3GPP website: |
| 28 | * |
| 29 | * http://www.3gpp.org/specifications |
| 30 | * |
| 31 | * The following standards have been referenced to create this decoder: |
| 32 | * |
| 33 | * ETSI GSM 09.60 - GPRS Tunnelling Protocol (GTPv0) |
| 34 | * ETSI GSM 12.15 - GPRS Charging (GTPv0') |
| 35 | * |
| 36 | * 3GPP TS 23.003 - Numbering, addressing and identification |
| 37 | * 3GPP TS 24.008 - Core network protocols |
| 38 | * 3GPP TS 29.002 - Mobile Application Part (MAP) specification |
| 39 | * 3GPP TS 29.060 - GPRS Tunnelling Protocol (GTPv1-C/GTPv1-U) |
| 40 | * 3GPP TS 32.295 - Charging Data Record (CDR) transfer (GTPv1') |
| 41 | */ |
| 42 | |
| 43 | #include <sys/time.h> |
| 44 | #include <sys/socket.h> |
| 45 | #include <sys/types.h> |
| 46 | |
| 47 | #include <netinet/in.h> |
| 48 | #include <netinet/ip.h> |
| 49 | #include <netinet/ip_var.h> |
| 50 | |
| 51 | #include <ctype.h> |
| 52 | #include <stdio.h> |
| 53 | #include <stdlib.h> |
| 54 | #include <string.h> |
| 55 | |
| 56 | #include "addrtoname.h" |
| 57 | #include "interface.h" |
| 58 | #include "gtp.h" |
| 59 | |
| 60 | #ifndef nitems |
| 61 | #define nitems(_a)(sizeof((_a)) / sizeof((_a)[0])) (sizeof((_a)) / sizeof((_a)[0])) |
| 62 | #endif |
| 63 | |
| 64 | void gtp_print(const u_char *, u_int, u_short, u_short); |
| 65 | void gtp_decode_ie(const u_char *, u_short, int); |
| 66 | void gtp_print_tbcd(const u_char *, u_int); |
| 67 | void gtp_print_user_address(const u_char *, u_int); |
| 68 | void gtp_print_apn(const u_char *, u_int); |
| 69 | void gtp_print_str(const char **, u_int, u_int); |
| 70 | |
| 71 | void gtp_v0_print(const u_char *, u_int, u_short, u_short); |
| 72 | void gtp_v0_print_prime(const u_char *); |
| 73 | int gtp_v0_print_tv(const u_char *, u_int); |
| 74 | int gtp_v0_print_tlv(const u_char *, u_int); |
| 75 | |
| 76 | void gtp_v1_print(const u_char *, u_int, u_short, u_short); |
| 77 | void gtp_v1_print_ctrl(const u_char *, u_int, struct gtp_v1_hdr *); |
| 78 | void gtp_v1_print_user(const u_char *, u_int, struct gtp_v1_hdr *); |
| 79 | void gtp_v1_print_prime(const u_char *, struct gtp_v1_prime_hdr *); |
| 80 | int gtp_v1_print_tv(const u_char *, u_int); |
| 81 | int gtp_v1_print_tlv(const u_char *, u_int); |
| 82 | |
| 83 | /* GTPv0 message types. */ |
| 84 | static struct tok gtp_v0_msgtype[] = { |
| 85 | |
| 86 | { 1, "Echo Request" }, |
| 87 | { 2, "Echo Response" }, |
| 88 | { 3, "Version Not Supported" }, |
| 89 | { 4, "Node Alive Request" }, |
| 90 | { 5, "Node Alive Response" }, |
| 91 | { 6, "Redirection Request" }, |
| 92 | { 7, "Redirection Response" }, |
| 93 | { 16, "Create PDP Context Request" }, |
| 94 | { 17, "Create PDP Context Response" }, |
| 95 | { 18, "Update PDP Context Request" }, |
| 96 | { 19, "Update PDP Context Response" }, |
| 97 | { 20, "Delete PDP Context Request" }, |
| 98 | { 21, "Delete PDP Context Response" }, |
| 99 | { 22, "Create AA PDP Context Request" }, |
| 100 | { 23, "Create AA PDP Context Response" }, |
| 101 | { 24, "Delete AA PDP Context Request" }, |
| 102 | { 25, "Delete AA PDP Context Response" }, |
| 103 | { 26, "Error Indication" }, |
| 104 | { 27, "PDU Notification Request" }, |
| 105 | { 28, "PDU Notification Response" }, |
| 106 | { 29, "PDU Notification Reject Request" }, |
| 107 | { 30, "PDU Notification Reject Response" }, |
| 108 | { 32, "Send Routeing Information Request" }, |
| 109 | { 33, "Send Routeing Information Response" }, |
| 110 | { 34, "Failure Report Request" }, |
| 111 | { 35, "Failure Report Response" }, |
| 112 | { 36, "MS GPRS Present Request" }, |
| 113 | { 37, "MS GPRS Present Response" }, |
| 114 | { 48, "Identification Request" }, |
| 115 | { 49, "Identification Response" }, |
| 116 | { 50, "SGSN Context Request" }, |
| 117 | { 51, "SGSN Context Response" }, |
| 118 | { 52, "SGSN Context Acknowledge" }, |
| 119 | { 240, "Data Record Transfer Request" }, |
| 120 | { 241, "Data Record Transfer Response" }, |
| 121 | { 255, "T-PDU" }, |
| 122 | |
| 123 | { 0, NULL((void *)0) } |
| 124 | }; |
| 125 | |
| 126 | /* GTPv0 causes. */ |
| 127 | static struct tok gtp_v0_cause[] = { |
| 128 | |
| 129 | { 0, "Request IMSI" }, |
| 130 | { 1, "Request IMEI" }, |
| 131 | { 2, "Request IMSI and IMEI" }, |
| 132 | { 3, "No identity needed" }, |
| 133 | { 4, "MS refuses" }, |
| 134 | { 5, "MS is not GPRS responding" }, |
| 135 | { 128, "Request accepted" }, |
| 136 | { 192, "Non-existent" }, |
| 137 | { 193, "Invalid message format" }, |
| 138 | { 194, "IMSI not known" }, |
| 139 | { 195, "MS is GPRS detached" }, |
| 140 | { 196, "MS is not GPRS responding" }, |
| 141 | { 197, "MS refuses" }, |
| 142 | { 198, "Version not supported" }, |
| 143 | { 199, "No resources available" }, |
| 144 | { 200, "Service not supported" }, |
| 145 | { 201, "Mandatory IE incorrect" }, |
| 146 | { 202, "Mandatory IE missing" }, |
| 147 | { 203, "Optional IE incorrect" }, |
| 148 | { 204, "System failure" }, |
| 149 | { 205, "Roaming restriction" }, |
| 150 | { 206, "P-TMSI signature mismatch" }, |
| 151 | { 207, "GPRS connection suspended" }, |
| 152 | { 208, "Authentication failure" }, |
| 153 | { 209, "User authentication failed" }, |
| 154 | |
| 155 | { 0, NULL((void *)0) } |
| 156 | }; |
| 157 | |
| 158 | /* GTPv1 message types. */ |
| 159 | static struct tok gtp_v1_msgtype[] = { |
| 160 | |
| 161 | { 1, "Echo Request" }, |
| 162 | { 2, "Echo Response" }, |
| 163 | { 3, "Version Not Supported" }, |
| 164 | { 4, "Node Alive Request" }, |
| 165 | { 5, "Node Alive Response" }, |
| 166 | { 6, "Redirection Request" }, |
| 167 | { 7, "Redirection Response" }, |
| 168 | { 16, "Create PDP Context Request" }, |
| 169 | { 17, "Create PDP Context Response" }, |
| 170 | { 18, "Update PDP Context Request" }, |
| 171 | { 19, "Update PDP Context Response" }, |
| 172 | { 20, "Delete PDP Context Request" }, |
| 173 | { 21, "Delete PDP Context Response" }, |
| 174 | { 22, "Initiate PDP Context Activiation Request" }, |
| 175 | { 23, "Initiate PDP Context Activiation Response" }, |
| 176 | { 26, "Error Indication" }, |
| 177 | { 27, "PDU Notification Request" }, |
| 178 | { 28, "PDU Notification Response" }, |
| 179 | { 29, "PDU Notification Reject Request" }, |
| 180 | { 30, "PDU Notification Reject Response" }, |
| 181 | { 31, "Supported Extension Headers Notification" }, |
| 182 | { 32, "Send Routeing Information for GPRS Request" }, |
| 183 | { 33, "Send Routeing Information for GPRS Response" }, |
| 184 | { 34, "Failure Report Request" }, |
| 185 | { 35, "Failure Report Response" }, |
| 186 | { 36, "Note MS GPRS Present Request" }, |
| 187 | { 37, "Note MS GPRS Present Response" }, |
| 188 | { 48, "Identification Request" }, |
| 189 | { 49, "Identification Response" }, |
| 190 | { 50, "SGSN Context Request" }, |
| 191 | { 51, "SGSN Context Response" }, |
| 192 | { 52, "SGSN Context Acknowledge" }, |
| 193 | { 53, "Forward Relocation Request" }, |
| 194 | { 54, "Forward Relocation Response" }, |
| 195 | { 55, "Forward Relocation Complete" }, |
| 196 | { 56, "Relocation Cancel Request" }, |
| 197 | { 57, "Relocation Cancel Response" }, |
| 198 | { 58, "Forward SRNS Context" }, |
| 199 | { 59, "Forward Relocation Complete Acknowledge" }, |
| 200 | { 60, "Forward SRNS Context Acknowledge" }, |
| 201 | { 70, "RAN Information Relay" }, |
| 202 | { 96, "MBMS Notification Request" }, |
| 203 | { 97, "MBMS Notification Response" }, |
| 204 | { 98, "MBMS Notification Reject Request" }, |
| 205 | { 99, "MBMS Notification Reject Response" }, |
| 206 | { 100, "Create MBMS Context Request" }, |
| 207 | { 101, "Create MBMS Context Response" }, |
| 208 | { 102, "Update MBMS Context Request" }, |
| 209 | { 103, "Update MBMS Context Response" }, |
| 210 | { 104, "Delete MBMS Context Request" }, |
| 211 | { 105, "Delete MBMS Context Response" }, |
| 212 | { 112, "MBMS Registration Request" }, |
| 213 | { 113, "MBMS Registration Response" }, |
| 214 | { 114, "MBMS De-Registration Request" }, |
| 215 | { 115, "MBMS De-Registration Response" }, |
| 216 | { 116, "MBMS Session Start Request" }, |
| 217 | { 117, "MBMS Session Start Response" }, |
| 218 | { 118, "MBMS Session Stop Request" }, |
| 219 | { 119, "MBMS Session Stop Response" }, |
| 220 | { 120, "MBMS Session Update Request" }, |
| 221 | { 121, "MBMS Session Update Response" }, |
| 222 | { 128, "MBMS Info Change Notification Request" }, |
| 223 | { 129, "MBMS Info Change Notification Response" }, |
| 224 | { 240, "Data Record Transfer Request" }, |
| 225 | { 241, "Data Record Transfer Response" }, |
| 226 | { 255, "G-PDU" }, |
| 227 | |
| 228 | { 0, NULL((void *)0) } |
| 229 | }; |
| 230 | |
| 231 | /* GTPv1 Causes. */ |
| 232 | static struct tok gtp_v1_cause[] = { |
| 233 | |
| 234 | /* GTPv1-C. */ |
| 235 | { 0, "Request IMSI" }, |
| 236 | { 1, "Request IMEI" }, |
| 237 | { 2, "Request IMSI and IMEI" }, |
| 238 | { 3, "No identity needed" }, |
| 239 | { 4, "MS refuses" }, |
| 240 | { 5, "MS is not GPRS responding" }, |
| 241 | { 128, "Request accepted" }, |
| 242 | { 192, "Non-existent" }, |
| 243 | { 193, "Invalid message format" }, |
| 244 | { 194, "IMSI not known" }, |
| 245 | { 195, "MS is GPRS detached" }, |
| 246 | { 196, "MS is not GPRS responding" }, |
| 247 | { 197, "MS refuses" }, |
| 248 | { 198, "Version not supported" }, |
| 249 | { 199, "No resources available" }, |
| 250 | { 200, "Service not supported" }, |
| 251 | { 201, "Mandatory IE incorrect" }, |
| 252 | { 202, "Mandatory IE missing" }, |
| 253 | { 203, "Optional IE incorrect" }, |
| 254 | { 204, "System failure" }, |
| 255 | { 205, "Roaming restriction" }, |
| 256 | { 206, "P-TMSI signature mismatch" }, |
| 257 | { 207, "GPRS connection suspended" }, |
| 258 | { 208, "Authentication failure" }, |
| 259 | { 209, "User authentication failed" }, |
| 260 | { 210, "Context not found" }, |
| 261 | { 211, "All dynamic PDP addresses are occupied" }, |
| 262 | { 212, "No memory is available" }, |
| 263 | { 213, "Relocation failure" }, |
| 264 | { 214, "Unknown mandatory extension header" }, |
| 265 | { 215, "Semantic error in the TFT operation" }, |
| 266 | { 216, "Syntactic error in the TFT operation" }, |
| 267 | { 217, "Semantic errors in packet filter(s)" }, |
| 268 | { 218, "Syntactic errors in packet filter(s)" }, |
| 269 | { 219, "Missing or unknown APN" }, |
| 270 | { 220, "Unknown PDP address or PDP type" }, |
| 271 | { 221, "PDP context without TFT already activated" }, |
| 272 | { 222, "APN access denied - no subscription" }, |
| 273 | { 223, "APN restriction type incompatibility with currently " |
| 274 | "active PDP contexts" }, |
| 275 | { 224, "MS MBMS capabilities insufficient" }, |
| 276 | { 225, "Invalid correlation-ID" }, |
| 277 | { 226, "MBMS bearer context superseded" }, |
| 278 | |
| 279 | /* GTP'v1. */ |
| 280 | { 59, "System failure" }, |
| 281 | { 60, "The transmit buffers are becoming full" }, |
| 282 | { 61, "The receive buffers are becoming full" }, |
| 283 | { 62, "Another node is about to go down" }, |
| 284 | { 63, "This node is about to go down" }, |
| 285 | { 177, "CDR decoding error" }, |
| 286 | { 252, "Request related to possibly duplicated packets already " |
| 287 | "fulfilled" }, |
| 288 | { 253, "Request already fulfilled" }, |
| 289 | { 254, "Sequence numbers of released/cancelled packets IE incorrect" }, |
| 290 | { 255, "Request not fulfilled" }, |
| 291 | |
| 292 | { 0, NULL((void *)0) } |
| 293 | }; |
| 294 | |
| 295 | static int gtp_proto = -1; |
| 296 | |
| 297 | void |
| 298 | gtp_print(const u_char *cp, u_int length, u_short sport, u_short dport) |
| 299 | { |
| 300 | int version; |
| 301 | |
| 302 | /* Decode GTP version. */ |
| 303 | TCHECK(cp[0])if (!(snapend - (sizeof(cp[0])) <= snapend && (const u_char *)&(cp[0]) <= snapend - (sizeof(cp[0])))) goto trunc; |
| 304 | version = cp[0] >> GTP_VERSION_SHIFT5; |
| 305 | |
| 306 | if (version == GTP_VERSION_00) |
| 307 | gtp_v0_print(cp, length, sport, dport); |
| 308 | else if (version == GTP_VERSION_11) |
| 309 | gtp_v1_print(cp, length, sport, dport); |
| 310 | else |
| 311 | printf("GTP (version %i)", version); |
| 312 | |
| 313 | return; |
| 314 | |
| 315 | trunc: |
| 316 | printf("[|GTP]"); |
| 317 | } |
| 318 | |
| 319 | /* |
| 320 | * Decode and print information elements from message. The actual work is |
| 321 | * handled in the appropriate Tag/Value (TV) or Tag/Length/Value (TLV) |
| 322 | * decoding routine. |
| 323 | */ |
| 324 | void |
| 325 | gtp_decode_ie(const u_char *cp, u_short version, int len) |
| 326 | { |
| 327 | int val, ielen, iecount = 0; |
| 328 | |
| 329 | if (len <= 0) |
| 330 | return; |
| 331 | |
| 332 | printf(" {"); |
| 333 | |
| 334 | while (len > 0) { |
| 335 | |
| 336 | iecount++; |
| 337 | if (iecount > 1) |
| 338 | printf(" "); |
| 339 | |
| 340 | TCHECK(cp[0])if (!(snapend - (sizeof(cp[0])) <= snapend && (const u_char *)&(cp[0]) <= snapend - (sizeof(cp[0])))) goto trunc; |
| 341 | val = (u_int)cp[0]; |
| 342 | cp++; |
| 343 | |
| 344 | printf("["); |
| 345 | |
| 346 | switch (version) { |
| 347 | case GTP_VERSION_00: |
| 348 | if ((val & GTPV0_IE_TYPE_MASK1 << 7) == 0) |
| 349 | ielen = gtp_v0_print_tv(cp, val); |
| 350 | else |
| 351 | ielen = gtp_v0_print_tlv(cp, val); |
| 352 | break; |
| 353 | |
| 354 | case GTP_VERSION_11: |
| 355 | if ((val & GTPV1_IE_TYPE_MASK1 << 7) == 0) |
| 356 | ielen = gtp_v1_print_tv(cp, val); |
| 357 | else |
| 358 | ielen = gtp_v1_print_tlv(cp, val); |
| 359 | break; |
| 360 | |
| 361 | default: |
| 362 | /* Version not supported... */ |
| 363 | ielen = -1; |
| 364 | break; |
| 365 | } |
| 366 | |
| 367 | printf("]"); |
| 368 | |
| 369 | if (ielen < 0) |
| 370 | goto trunc; |
| 371 | |
| 372 | len -= ielen; |
| 373 | cp += ielen - 1; |
| 374 | } |
| 375 | |
| 376 | if (iecount > 0) |
| 377 | printf("}"); |
| 378 | |
| 379 | return; |
| 380 | |
| 381 | trunc: |
| 382 | printf(" [|%s]", tok2str(gtp_type, "GTP", gtp_proto)); |
| 383 | } |
| 384 | |
| 385 | /* |
| 386 | * Decode and print telephony binary coded decimal. |
| 387 | */ |
| 388 | void |
| 389 | gtp_print_tbcd(const u_char *cp, u_int len) |
| 390 | { |
| 391 | u_int8_t *data, bcd; |
| 392 | int i; |
| 393 | |
| 394 | data = (u_int8_t *)cp; |
| 395 | for (i = 0; i < len; i++) { |
| 396 | bcd = *data & 0xf; |
| 397 | if (bcd != 0xf) |
| 398 | printf("%u", bcd); |
| 399 | bcd = *data >> 4; |
| 400 | if (bcd != 0xf) |
| 401 | printf("%u", bcd); |
| 402 | data++; |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | /* |
| 407 | * Decode and print an end user address. Format is detailed in |
| 408 | * GSM 09.60 section 7.9.18 and 3GPP 29.060 section 7.7.27. |
| 409 | */ |
| 410 | void |
| 411 | gtp_print_user_address(const u_char *cp, u_int len) |
| 412 | { |
| 413 | u_int8_t org, type; |
| 414 | |
| 415 | if (len < 2) |
| 416 | return; |
| 417 | |
| 418 | org = (u_int8_t)cp[0] & 0xf; |
| 419 | type = (u_int8_t)cp[1]; |
| 420 | |
| 421 | cp += 2; |
| 422 | |
| 423 | if (org == 0x0 && type == 0x1) |
| 424 | printf(": PPP"); |
| 425 | else if (org == 0x1 && type == 0x21) { |
| 426 | if (len == 6) |
| 427 | printf(": %s", ipaddr_string(cp)getname((const u_char *)(cp))); |
| 428 | else |
| 429 | printf(": IPv4"); |
| 430 | } else if (org == 0x1 && type == 0x57) { |
| 431 | if (len == 18) |
| 432 | printf(": %s", ip6addr_string(cp)getname6((const u_char *)(cp))); |
| 433 | else |
| 434 | printf(": IPv6"); |
| 435 | } else |
| 436 | printf(" (org 0x%x, type 0x%x)", org, type); |
| 437 | } |
| 438 | |
| 439 | /* |
| 440 | * Decode and print an Access Point Name. Format is detailed in |
| 441 | * 3GPP 24.008 section 10.5.6.1 and 3GPP 23.003 section 9.1. |
| 442 | */ |
| 443 | void |
| 444 | gtp_print_apn(const u_char *cp, u_int len) |
| 445 | { |
| 446 | u_char label[100]; |
| 447 | u_int8_t llen; |
| 448 | |
| 449 | if (len < 1 || len > 100) |
| 450 | return; |
| 451 | |
| 452 | while (len > 0) { |
| 453 | |
| 454 | llen = (u_int8_t)cp[0]; |
| 455 | if (llen > 99) |
| 456 | return; |
| 457 | |
| 458 | bcopy(cp + 1, label, llen); |
| 459 | label[llen] = '\0'; |
| 460 | printf("%s", label); |
| 461 | |
| 462 | cp += llen + 1; |
| 463 | len -= llen + 1; |
| 464 | |
| 465 | if (len > 0) |
| 466 | printf("."); |
| 467 | |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | /* Print string from array. */ |
| 472 | void |
| 473 | gtp_print_str(const char **strs, u_int bound, u_int index) |
| 474 | { |
| 475 | if (index >= bound) |
| 476 | printf(": %u", index); |
| 477 | else if (strs[index] != NULL((void *)0)) |
| 478 | printf(": %s", strs[index]); |
| 479 | } |
| 480 | |
| 481 | /* |
| 482 | * Decoding routines for GTP version 0. |
| 483 | */ |
| 484 | void |
| 485 | gtp_v0_print(const u_char *cp, u_int length, u_short sport, u_short dport) |
| 486 | { |
| 487 | struct gtp_v0_hdr *gh = (struct gtp_v0_hdr *)cp; |
| 488 | int len, version; |
| 489 | u_int64_t tid; |
| 490 | |
| 491 | gtp_proto = GTP_V0_PROTO0; |
| 492 | |
| 493 | /* Check if this is GTP prime. */ |
| 494 | TCHECK(gh->flags)if (!(snapend - (sizeof(gh->flags)) <= snapend && (const u_char *)&(gh->flags) <= snapend - (sizeof( gh->flags)))) goto trunc; |
| 495 | if ((gh->flags & GTPV0_HDR_PROTO_TYPE1 << 4) == 0) { |
| 496 | gtp_proto = GTP_V0_PRIME_PROTO1; |
| 497 | gtp_v0_print_prime(cp); |
| 498 | return; |
| 499 | } |
| 500 | |
| 501 | /* Print GTP header. */ |
| 502 | TCHECK(*gh)if (!(snapend - (sizeof(*gh)) <= snapend && (const u_char *)&(*gh) <= snapend - (sizeof(*gh)))) goto trunc; |
| 503 | cp += sizeof(struct gtp_v0_hdr); |
| 504 | len = ntohs(gh->length)(__uint16_t)(__builtin_constant_p(gh->length) ? (__uint16_t )(((__uint16_t)(gh->length) & 0xffU) << 8 | ((__uint16_t )(gh->length) & 0xff00U) >> 8) : __swap16md(gh-> length)); |
| 505 | bcopy(&gh->tid, &tid, sizeof(tid)); |
| 506 | printf("GTPv0 (len %u, seqno %u, flow %u, N-PDU %u, tid 0x%llx) ", |
| 507 | ntohs(gh->length)(__uint16_t)(__builtin_constant_p(gh->length) ? (__uint16_t )(((__uint16_t)(gh->length) & 0xffU) << 8 | ((__uint16_t )(gh->length) & 0xff00U) >> 8) : __swap16md(gh-> length)), ntohs(gh->seqno)(__uint16_t)(__builtin_constant_p(gh->seqno) ? (__uint16_t )(((__uint16_t)(gh->seqno) & 0xffU) << 8 | ((__uint16_t )(gh->seqno) & 0xff00U) >> 8) : __swap16md(gh-> seqno)), ntohs(gh->flow)(__uint16_t)(__builtin_constant_p(gh->flow) ? (__uint16_t) (((__uint16_t)(gh->flow) & 0xffU) << 8 | ((__uint16_t )(gh->flow) & 0xff00U) >> 8) : __swap16md(gh-> flow)), |
| 508 | ntohs(gh->npduno)(__uint16_t)(__builtin_constant_p(gh->npduno) ? (__uint16_t )(((__uint16_t)(gh->npduno) & 0xffU) << 8 | ((__uint16_t )(gh->npduno) & 0xff00U) >> 8) : __swap16md(gh-> npduno)), betoh64(tid)(__uint64_t)(__builtin_constant_p(tid) ? (__uint64_t)((((__uint64_t )(tid) & 0xff) << 56) | ((__uint64_t)(tid) & 0xff00ULL ) << 40 | ((__uint64_t)(tid) & 0xff0000ULL) << 24 | ((__uint64_t)(tid) & 0xff000000ULL) << 8 | (( __uint64_t)(tid) & 0xff00000000ULL) >> 8 | ((__uint64_t )(tid) & 0xff0000000000ULL) >> 24 | ((__uint64_t)(tid ) & 0xff000000000000ULL) >> 40 | ((__uint64_t)(tid) & 0xff00000000000000ULL) >> 56) : __swap64md(tid))); |
| 509 | |
| 510 | /* Decode GTP message. */ |
| 511 | printf("%s", tok2str(gtp_v0_msgtype, "Message Type %u", gh->msgtype)); |
| 512 | |
| 513 | if (!vflag) |
| 514 | return; |
| 515 | |
| 516 | if (gh->msgtype == GTPV0_T_PDU255) { |
| 517 | |
| 518 | TCHECK(cp[0])if (!(snapend - (sizeof(cp[0])) <= snapend && (const u_char *)&(cp[0]) <= snapend - (sizeof(cp[0])))) goto trunc; |
| 519 | version = cp[0] >> 4; |
| 520 | |
| 521 | printf(" { "); |
| 522 | |
| 523 | if (version == 4) |
| 524 | ip_print(cp, len); |
| 525 | else if (version == 6) |
| 526 | ip6_print(cp, len); |
| 527 | else |
| 528 | printf("Unknown IP version %u", version); |
| 529 | |
| 530 | printf(" }"); |
| 531 | } else |
| 532 | gtp_decode_ie(cp, GTP_VERSION_00, len); |
| 533 | |
| 534 | return; |
| 535 | |
| 536 | trunc: |
| 537 | printf(" [|%s]", tok2str(gtp_type, "GTP", gtp_proto)); |
| 538 | } |
| 539 | |
| 540 | void |
| 541 | gtp_v0_print_prime(const u_char *cp) |
| 542 | { |
| 543 | struct gtp_v0_prime_hdr *gph = (struct gtp_v0_prime_hdr *)cp; |
| 544 | int len; |
| 545 | |
| 546 | /* Decode GTP prime header. */ |
| 547 | TCHECK(*gph)if (!(snapend - (sizeof(*gph)) <= snapend && (const u_char *)&(*gph) <= snapend - (sizeof(*gph)))) goto trunc; |
| 548 | cp += sizeof(*gph); |
| 549 | |
| 550 | len = ntohs(gph->length)(__uint16_t)(__builtin_constant_p(gph->length) ? (__uint16_t )(((__uint16_t)(gph->length) & 0xffU) << 8 | ((__uint16_t )(gph->length) & 0xff00U) >> 8) : __swap16md(gph ->length)); |
| 551 | printf("GTPv0' (len %u, seq %u) ", len, ntohs(gph->seqno)(__uint16_t)(__builtin_constant_p(gph->seqno) ? (__uint16_t )(((__uint16_t)(gph->seqno) & 0xffU) << 8 | ((__uint16_t )(gph->seqno) & 0xff00U) >> 8) : __swap16md(gph-> seqno))); |
| 552 | |
| 553 | /* Decode GTP message. */ |
| 554 | printf("%s", tok2str(gtp_v0_msgtype, "Message Type %u", gph->msgtype)); |
| 555 | |
| 556 | if (vflag) |
| 557 | gtp_decode_ie(cp, GTP_VERSION_00, len); |
| 558 | |
| 559 | return; |
| 560 | |
| 561 | trunc: |
| 562 | printf(" [|%s]", tok2str(gtp_type, "GTP", gtp_proto)); |
| 563 | } |
| 564 | |
| 565 | int |
| 566 | gtp_v0_print_tv(const u_char *cp, u_int value) |
| 567 | { |
| 568 | u_int32_t *dpl; |
| 569 | u_int16_t *dps; |
| 570 | u_int8_t data; |
| 571 | int ielen = -1; |
| 572 | |
| 573 | switch (value) { |
| 574 | case GTPV0_TV_CAUSE1: |
| 575 | |
| 576 | /* 09.60 7.9.1 - Cause. */ |
| 577 | TCHECK(cp[0])if (!(snapend - (sizeof(cp[0])) <= snapend && (const u_char *)&(cp[0]) <= snapend - (sizeof(cp[0])))) goto trunc; |
| 578 | data = (u_int8_t)cp[0]; |
| 579 | ielen = GTPV0_TV_CAUSE_LENGTH2; |
| 580 | printf("Cause: %s", tok2str(gtp_v0_cause, "#%u", data)); |
| 581 | break; |
| 582 | |
| 583 | case GTPV0_TV_IMSI2: |
| 584 | |
| 585 | /* 09.60 7.9.2 - International Mobile Subscriber Identity. */ |
| 586 | TCHECK2(cp[0], GTPV0_TV_IMSI_LENGTH - 1)if (!(snapend - (9 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (9 - 1))) goto trunc; |
| 587 | printf("IMSI "); |
| 588 | gtp_print_tbcd(cp, GTPV0_TV_IMSI_LENGTH9 - 1); |
| 589 | ielen = GTPV0_TV_IMSI_LENGTH9; |
| 590 | break; |
| 591 | |
| 592 | case GTPV0_TV_RAI3: |
| 593 | |
| 594 | /* 09.60 7.9.3 - Routing Area Identity (RAI). */ |
| 595 | TCHECK2(cp[0], GTPV0_TV_RAI_LENGTH - 1)if (!(snapend - (7 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (7 - 1))) goto trunc; |
| 596 | printf("RAI: MCC "); |
| 597 | data = cp[1] | 0xf0; |
| 598 | gtp_print_tbcd(cp, 1); |
| 599 | gtp_print_tbcd(&data, 1); |
| 600 | printf(", MNC "); |
| 601 | data = (cp[1] >> 4) | 0xf0; |
| 602 | gtp_print_tbcd(cp + 2, 1); |
| 603 | gtp_print_tbcd(&data, 1); |
| 604 | printf(", LAC 0x%x%x", cp[3], cp[4]); |
| 605 | printf(", RAC 0x%x", cp[5]); |
| 606 | ielen = GTPV0_TV_RAI_LENGTH7; |
| 607 | break; |
| 608 | |
| 609 | case GTPV0_TV_TLLI4: |
| 610 | |
| 611 | /* 09.60 7.9.4 - Temporary Logical Link Identity (TLLI). */ |
| 612 | TCHECK2(cp[0], GTPV0_TV_TLLI_LENGTH - 1)if (!(snapend - (5 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (5 - 1))) goto trunc; |
| 613 | dpl = (u_int32_t *)cp; |
| 614 | printf("TLLI 0x%x", ntohl(*dpl)(__uint32_t)(__builtin_constant_p(*dpl) ? (__uint32_t)(((__uint32_t )(*dpl) & 0xff) << 24 | ((__uint32_t)(*dpl) & 0xff00 ) << 8 | ((__uint32_t)(*dpl) & 0xff0000) >> 8 | ((__uint32_t)(*dpl) & 0xff000000) >> 24) : __swap32md (*dpl))); |
| 615 | ielen = GTPV0_TV_TLLI_LENGTH5; |
| 616 | break; |
| 617 | |
| 618 | case GTPV0_TV_PTMSI5: |
| 619 | |
| 620 | /* 09.60 7.9.5 - Packet TMSI (P-TMSI). */ |
| 621 | TCHECK2(cp[0], GTPV0_TV_PTMSI_LENGTH - 1)if (!(snapend - (5 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (5 - 1))) goto trunc; |
| 622 | dpl = (u_int32_t *)cp; |
| 623 | printf("P-TMSI 0x%x", ntohl(*dpl)(__uint32_t)(__builtin_constant_p(*dpl) ? (__uint32_t)(((__uint32_t )(*dpl) & 0xff) << 24 | ((__uint32_t)(*dpl) & 0xff00 ) << 8 | ((__uint32_t)(*dpl) & 0xff0000) >> 8 | ((__uint32_t)(*dpl) & 0xff000000) >> 24) : __swap32md (*dpl))); |
| 624 | ielen = GTPV0_TV_PTMSI_LENGTH5; |
| 625 | break; |
| 626 | |
| 627 | case GTPV0_TV_QOS6: |
| 628 | |
| 629 | /* 09.60 7.9.6 - Quality of Service (QoS) Profile. */ |
| 630 | TCHECK2(cp[0], GTPV0_TV_QOS_LENGTH - 1)if (!(snapend - (4 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (4 - 1))) goto trunc; |
| 631 | printf("QoS Profile"); /* XXX */ |
| 632 | ielen = GTPV0_TV_QOS_LENGTH4; |
| 633 | break; |
| 634 | |
| 635 | case GTPV0_TV_REORDER8: |
| 636 | |
| 637 | /* 09.60 7.9.7 - Reordering Required. */ |
| 638 | TCHECK2(cp[0], GTPV0_TV_REORDER_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 639 | printf("Reordering Required: "); |
| 640 | if (cp[0] & 0x1) |
| 641 | printf("yes"); |
| 642 | else |
| 643 | printf("no"); |
| 644 | ielen = GTPV0_TV_REORDER_LENGTH2; |
| 645 | break; |
| 646 | |
| 647 | case GTPV0_TV_AUTH_TRIPLET9: |
| 648 | |
| 649 | /* 09.60 7.9.8 - Authentication Triplet. */ |
| 650 | TCHECK2(cp[0], GTPV0_TV_AUTH_TRIPLET_LENGTH - 1)if (!(snapend - (29 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (29 - 1))) goto trunc; |
| 651 | printf("Authentication"); /* XXX */ |
| 652 | ielen = GTPV0_TV_AUTH_TRIPLET_LENGTH29; |
| 653 | break; |
| 654 | |
| 655 | case GTPV0_TV_MAP_CAUSE11: |
| 656 | |
| 657 | /* 09.60 7.9.9 - MAP Cause. */ |
| 658 | TCHECK2(cp[0], GTPV0_TV_MAP_CAUSE_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 659 | printf("MAP Cause: %u", cp[0]); |
| 660 | ielen = GTPV0_TV_MAP_CAUSE_LENGTH2; |
| 661 | break; |
| 662 | |
| 663 | case GTPV0_TV_PTMSI_SIGNATURE12: |
| 664 | |
| 665 | /* 09.60 7.9.10 - P-TMSI Signature. */ |
| 666 | /* Signature defined in GSM 04.08. */ |
| 667 | TCHECK2(cp[0], GTPV0_TV_PTMSI_SIGNATURE_LENGTH - 1)if (!(snapend - (4 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (4 - 1))) goto trunc; |
| 668 | printf("PTMSI Signature: 0x%x%x%x", cp[0], cp[1], cp[2]); |
| 669 | ielen = GTPV0_TV_PTMSI_SIGNATURE_LENGTH4; |
| 670 | break; |
| 671 | |
| 672 | case GTPV0_TV_MS_VALIDATED13: |
| 673 | |
| 674 | /* 09.60 7.9.11 - MS Validated. */ |
| 675 | TCHECK2(cp[0], GTPV0_TV_MS_VALIDATED_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 676 | printf("MS Validated"); |
| 677 | if (cp[0] & 0x1) |
| 678 | printf("yes"); |
| 679 | else |
| 680 | printf("no"); |
| 681 | ielen = GTPV0_TV_MS_VALIDATED_LENGTH2; |
| 682 | break; |
| 683 | |
| 684 | case GTPV0_TV_RECOVERY14: |
| 685 | |
| 686 | /* 09.60 7.9.12 - Recovery. */ |
| 687 | TCHECK2(cp[0], GTPV0_TV_RECOVERY_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 688 | printf("Recovery: Restart counter %u", cp[0]); |
| 689 | ielen = GTPV0_TV_RECOVERY_LENGTH2; |
| 690 | break; |
| 691 | |
| 692 | case GTPV0_TV_SELECTION_MODE15: |
| 693 | |
| 694 | /* 09.60 7.9.13 - Selection Mode. */ |
| 695 | TCHECK2(cp[0], GTPV0_TV_SELECTION_MODE_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 696 | printf("Selection Mode"); /* XXX */ |
| 697 | ielen = GTPV0_TV_SELECTION_MODE_LENGTH2; |
| 698 | break; |
| 699 | |
| 700 | case GTPV0_TV_FLOW_LABEL_DATA_I16: |
| 701 | |
| 702 | /* 09.60 7.9.14 - Flow Label Data I. */ |
| 703 | TCHECK2(cp[0], GTPV0_TV_FLOW_LABEL_DATA_I_LENGTH - 1)if (!(snapend - (3 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (3 - 1))) goto trunc; |
| 704 | dps = (u_int16_t *)cp; |
| 705 | printf("Flow Label Data I: %u", ntohs(*dps)(__uint16_t)(__builtin_constant_p(*dps) ? (__uint16_t)(((__uint16_t )(*dps) & 0xffU) << 8 | ((__uint16_t)(*dps) & 0xff00U ) >> 8) : __swap16md(*dps))); |
| 706 | ielen = GTPV0_TV_FLOW_LABEL_DATA_I_LENGTH3; |
| 707 | break; |
| 708 | |
| 709 | case GTPV0_TV_FLOW_LABEL_SIGNALLING17: |
| 710 | |
| 711 | /* 09.60 7.9.15 - Flow Label Signalling. */ |
| 712 | TCHECK2(cp[0], GTPV0_TV_FLOW_LABEL_SIGNALLING_LENGTH - 1)if (!(snapend - (3 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (3 - 1))) goto trunc; |
| 713 | dps = (u_int16_t *)cp; |
| 714 | printf("Flow Label Signalling: %u", ntohs(*dps)(__uint16_t)(__builtin_constant_p(*dps) ? (__uint16_t)(((__uint16_t )(*dps) & 0xffU) << 8 | ((__uint16_t)(*dps) & 0xff00U ) >> 8) : __swap16md(*dps))); |
| 715 | ielen = GTPV0_TV_FLOW_LABEL_SIGNALLING_LENGTH3; |
| 716 | break; |
| 717 | |
| 718 | case GTPV0_TV_FLOW_LABEL_DATA_II18: |
| 719 | |
| 720 | /* 09.60 7.9.16 - Flow Label Data II. */ |
| 721 | TCHECK2(cp[0], GTPV0_TV_FLOW_LABEL_DATA_II_LENGTH - 1)if (!(snapend - (4 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (4 - 1))) goto trunc; |
| 722 | data = cp[0] & 0xf; |
| 723 | dps = (u_int16_t *)(cp + 1); |
| 724 | printf("Flow Label Data II: %u, NSAPI %u", ntohs(*dps)(__uint16_t)(__builtin_constant_p(*dps) ? (__uint16_t)(((__uint16_t )(*dps) & 0xffU) << 8 | ((__uint16_t)(*dps) & 0xff00U ) >> 8) : __swap16md(*dps)), data); |
| 725 | ielen = GTPV0_TV_FLOW_LABEL_DATA_II_LENGTH4; |
| 726 | break; |
| 727 | |
| 728 | case GTPV0_TV_PACKET_XFER_CMD126: |
| 729 | |
| 730 | /* 12.15 7.3.4.5.3 - Packet Transfer Command. */ |
| 731 | TCHECK2(cp[0], GTPV0_TV_PACKET_XFER_CMD_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 732 | printf("Packet Transfer Command"); |
| 733 | gtp_print_str(gtp_packet_xfer_cmd, nitems(gtp_packet_xfer_cmd)(sizeof((gtp_packet_xfer_cmd)) / sizeof((gtp_packet_xfer_cmd) [0])), |
| 734 | cp[0]); |
| 735 | ielen = GTPV0_TV_PACKET_XFER_CMD_LENGTH2; |
| 736 | break; |
| 737 | |
| 738 | case GTPV0_TV_CHARGING_ID127: |
| 739 | |
| 740 | /* 09.60 7.9.17 - Charging ID. */ |
| 741 | TCHECK2(cp[0], GTPV0_TV_CHARGING_ID_LENGTH - 1)if (!(snapend - (5 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (5 - 1))) goto trunc; |
| 742 | dps = (u_int16_t *)cp; |
| 743 | printf("Charging ID: %u", ntohs(*dps)(__uint16_t)(__builtin_constant_p(*dps) ? (__uint16_t)(((__uint16_t )(*dps) & 0xffU) << 8 | ((__uint16_t)(*dps) & 0xff00U ) >> 8) : __swap16md(*dps))); |
| 744 | ielen = GTPV0_TV_CHARGING_ID_LENGTH5; |
| 745 | break; |
| 746 | |
| 747 | default: |
| 748 | printf("TV %u", value); |
| 749 | } |
| 750 | |
| 751 | trunc: |
| 752 | return ielen; |
| 753 | } |
| 754 | |
| 755 | int |
| 756 | gtp_v0_print_tlv(const u_char *cp, u_int value) |
| 757 | { |
| 758 | u_int8_t data; |
| 759 | u_int16_t *lenp, *seqno, len; |
| 760 | int ielen = -1; |
| 761 | |
| 762 | /* Get length of IE. */ |
| 763 | TCHECK2(cp[0], 2)if (!(snapend - (2) <= snapend && (const u_char *) &(cp[0]) <= snapend - (2))) goto trunc; |
| 764 | lenp = (u_int16_t *)cp; |
| 765 | cp += 2; |
| 766 | len = ntohs(*lenp)(__uint16_t)(__builtin_constant_p(*lenp) ? (__uint16_t)(((__uint16_t )(*lenp) & 0xffU) << 8 | ((__uint16_t)(*lenp) & 0xff00U) >> 8) : __swap16md(*lenp)); |
| 767 | TCHECK2(cp[0], len)if (!(snapend - (len) <= snapend && (const u_char * )&(cp[0]) <= snapend - (len))) goto trunc; |
| 768 | ielen = sizeof(data) + sizeof(len) + len; |
| 769 | |
| 770 | switch (value) { |
| 771 | |
| 772 | case GTPV0_TLV_END_USER_ADDRESS128: |
| 773 | |
| 774 | /* 09.60 7.9.18 - End User Address. */ |
| 775 | printf("End User Address"); |
| 776 | gtp_print_user_address(cp, len); |
| 777 | break; |
| 778 | |
| 779 | case GTPV0_TLV_MM_CONTEXT129: |
| 780 | |
| 781 | /* 09.60 7.9.19 - MM Context. */ |
| 782 | printf("MM Context"); /* XXX */ |
| 783 | break; |
| 784 | |
| 785 | case GTPV0_TLV_PDP_CONTEXT130: |
| 786 | |
| 787 | /* 09.60 7.9.20 - PDP Context. */ |
| 788 | printf("PDP Context"); /* XXX */ |
| 789 | break; |
| 790 | |
| 791 | case GTPV0_TLV_ACCESS_POINT_NAME131: |
| 792 | |
| 793 | /* 09.60 7.9.21 - Access Point Name. */ |
| 794 | printf("AP Name: "); |
| 795 | gtp_print_apn(cp, len); |
| 796 | break; |
| 797 | |
| 798 | case GTPV0_TLV_PROTOCOL_CONFIG_OPTIONS132: |
| 799 | |
| 800 | /* 09.60 7.9.22 - Protocol Configuration Options. */ |
| 801 | printf("Protocol Configuration Options"); /* XXX */ |
| 802 | break; |
| 803 | |
| 804 | case GTPV0_TLV_GSN_ADDRESS133: |
| 805 | |
| 806 | /* 09.60 7.9.23 - GSN Address. */ |
| 807 | printf("GSN Address"); |
| 808 | if (len == 4) |
| 809 | printf(": %s", ipaddr_string(cp)getname((const u_char *)(cp))); |
| 810 | else if (len == 16) |
| 811 | printf(": %s", ip6addr_string(cp)getname6((const u_char *)(cp))); |
| 812 | break; |
| 813 | |
| 814 | case GTPV0_TLV_MS_ISDN134: |
| 815 | |
| 816 | /* 09.60 7.9.24 - MS International PSTN/ISDN Number. */ |
| 817 | printf("MSISDN "); |
| 818 | data = (u_int8_t)cp[0]; /* XXX - Number type. */ |
| 819 | gtp_print_tbcd(cp + 1, len - 1); |
| 820 | break; |
| 821 | |
| 822 | case GTPV0_TLV_CHARGING_GATEWAY_ADDRESS251: |
| 823 | |
| 824 | /* 09.60 7.9.25 - Charging Gateway Address. */ |
| 825 | printf("Charging Gateway"); |
| 826 | if (len == 4) |
| 827 | printf(": %s", ipaddr_string(cp)getname((const u_char *)(cp))); |
| 828 | break; |
| 829 | |
| 830 | case GTPV0_TLV_DATA_RECORD_PACKET252: |
| 831 | |
| 832 | /* 12.15 7.3.4.5.4 - Data Record Packet. */ |
| 833 | printf("Data Record: Records %u, Format %u, Format Version %u", |
| 834 | cp[0], cp[1], ntohs(*(u_int16_t *)(cp + 2))(__uint16_t)(__builtin_constant_p(*(u_int16_t *)(cp + 2)) ? ( __uint16_t)(((__uint16_t)(*(u_int16_t *)(cp + 2)) & 0xffU ) << 8 | ((__uint16_t)(*(u_int16_t *)(cp + 2)) & 0xff00U ) >> 8) : __swap16md(*(u_int16_t *)(cp + 2)))); |
| 835 | break; |
| 836 | |
| 837 | case GTPV0_TLV_REQUESTS_RESPONDED253: |
| 838 | |
| 839 | /* 12.15 7.3.4.6 - Requests Responded. */ |
| 840 | printf("Requests Responded:"); |
| 841 | seqno = (u_int16_t *)cp; |
| 842 | while (len > 0) { |
| 843 | printf(" %u", ntohs(*seqno)(__uint16_t)(__builtin_constant_p(*seqno) ? (__uint16_t)(((__uint16_t )(*seqno) & 0xffU) << 8 | ((__uint16_t)(*seqno) & 0xff00U) >> 8) : __swap16md(*seqno))); |
| 844 | seqno++; |
| 845 | len -= sizeof(*seqno); |
| 846 | } |
| 847 | break; |
| 848 | |
| 849 | case GTPV0_TLV_RECOMMENDED_NODE254: |
| 850 | |
| 851 | /* 12.15 7.3.4.3 - Address of Recommended Node. */ |
| 852 | printf("Recommended Node"); |
| 853 | if (len == 4) |
| 854 | printf(": %s", ipaddr_string(cp)getname((const u_char *)(cp))); |
| 855 | else if (len == 16) |
| 856 | printf(": %s", ip6addr_string(cp)getname6((const u_char *)(cp))); |
| 857 | break; |
| 858 | |
| 859 | case GTPV0_TLV_PRIVATE_EXTENSION255: |
| 860 | |
| 861 | printf("Private Extension"); |
| 862 | break; |
| 863 | |
| 864 | default: |
| 865 | printf("TLV %u (len %u)", value, len); |
| 866 | } |
| 867 | |
| 868 | return ielen; |
| 869 | |
| 870 | trunc: |
| 871 | return -1; |
| 872 | } |
| 873 | |
| 874 | /* |
| 875 | * Decoding for GTP version 1, which consists of GTPv1-C, GTPv1-U and GTPv1'. |
| 876 | */ |
| 877 | void |
| 878 | gtp_v1_print(const u_char *cp, u_int length, u_short sport, u_short dport) |
| 879 | { |
| 880 | struct gtp_v1_hdr *gh = (struct gtp_v1_hdr *)cp; |
| 881 | struct gtp_v1_hdr_ext *ghe = NULL((void *)0); |
| 882 | int nexthdr, hlen; |
| 883 | u_char *p = (u_char *)cp; |
| 884 | |
| 885 | TCHECK(gh->flags)if (!(snapend - (sizeof(gh->flags)) <= snapend && (const u_char *)&(gh->flags) <= snapend - (sizeof( gh->flags)))) goto trunc; |
| 886 | if ((gh->flags & GTPV1_HDR_PROTO_TYPE1 << 4) == 0) { |
| 887 | gtp_proto = GTP_V1_PRIME_PROTO4; |
| 888 | printf(" GTPv1'"); |
| 889 | gtp_v1_print_prime(p, (struct gtp_v1_prime_hdr *)gh); |
| 890 | return; |
| 891 | } |
| 892 | |
| 893 | if (dport == GTPV1_C_PORT2123 || sport == GTPV1_C_PORT2123) { |
| 894 | gtp_proto = GTP_V1_CTRL_PROTO2; |
| 895 | printf(" GTPv1-C"); |
| 896 | } else if (dport == GTPV1_U_PORT2152 || sport == GTPV1_U_PORT2152) { |
| 897 | gtp_proto = GTP_V1_USER_PROTO3; |
| 898 | printf(" GTPv1-U"); |
| 899 | } else if (dport == GTPV1_PRIME_PORT3386 || sport == GTPV1_PRIME_PORT3386) { |
| 900 | gtp_proto = GTP_V1_PRIME_PROTO4; |
| 901 | printf(" GTPv1'"); |
| 902 | } |
| 903 | |
| 904 | /* Decode GTP header. */ |
| 905 | TCHECK(*gh)if (!(snapend - (sizeof(*gh)) <= snapend && (const u_char *)&(*gh) <= snapend - (sizeof(*gh)))) goto trunc; |
| 906 | p += sizeof(struct gtp_v1_hdr); |
| 907 | |
| 908 | printf(" (teid %u, len %u)", ntohl(gh->teid)(__uint32_t)(__builtin_constant_p(gh->teid) ? (__uint32_t) (((__uint32_t)(gh->teid) & 0xff) << 24 | ((__uint32_t )(gh->teid) & 0xff00) << 8 | ((__uint32_t)(gh-> teid) & 0xff0000) >> 8 | ((__uint32_t)(gh->teid) & 0xff000000) >> 24) : __swap32md(gh->teid)), ntohs(gh->length)(__uint16_t)(__builtin_constant_p(gh->length) ? (__uint16_t )(((__uint16_t)(gh->length) & 0xffU) << 8 | ((__uint16_t )(gh->length) & 0xff00U) >> 8) : __swap16md(gh-> length))); |
| 909 | |
| 910 | if (gh->flags & GTPV1_HDR_EXT(1 << 2 | 1 << 1 | 1 << 0)) { |
| 911 | ghe = (struct gtp_v1_hdr_ext *)cp; |
| 912 | TCHECK(*ghe)if (!(snapend - (sizeof(*ghe)) <= snapend && (const u_char *)&(*ghe) <= snapend - (sizeof(*ghe)))) goto trunc; |
| 913 | p += sizeof(struct gtp_v1_hdr_ext) - sizeof(struct gtp_v1_hdr); |
| 914 | } |
| 915 | |
| 916 | if (gh->flags & GTPV1_HDR_SN_FLAG1 << 1) |
| 917 | printf(" [seq %u]", ntohs(ghe->seqno)(__uint16_t)(__builtin_constant_p(ghe->seqno) ? (__uint16_t )(((__uint16_t)(ghe->seqno) & 0xffU) << 8 | ((__uint16_t )(ghe->seqno) & 0xff00U) >> 8) : __swap16md(ghe-> seqno))); |
| 918 | |
| 919 | if (gh->flags & GTPV1_HDR_NPDU_FLAG1 << 0) |
| 920 | printf(" [N-PDU %u]", ghe->npduno); |
| 921 | |
| 922 | if (gh->flags & GTPV1_HDR_EH_FLAG1 << 2) { |
| 923 | |
| 924 | /* Process next header... */ |
| 925 | nexthdr = ghe->nexthdr; |
| 926 | while (nexthdr != GTPV1_EH_NONE0x00) { |
| 927 | |
| 928 | /* Header length is a 4 octet multiplier. */ |
| 929 | hlen = (int)p[0] * 4; |
| 930 | if (hlen == 0) { |
| 931 | printf(" [Invalid zero-length header %u]", |
| 932 | nexthdr); |
| 933 | goto trunc; |
| 934 | } |
| 935 | TCHECK2(p[0], hlen)if (!(snapend - (hlen) <= snapend && (const u_char *)&(p[0]) <= snapend - (hlen))) goto trunc; |
| 936 | |
| 937 | switch (nexthdr) { |
| 938 | case GTPV1_EH_MBMS_SUPPORT0x01: |
| 939 | printf(" [MBMS Support]"); |
| 940 | break; |
| 941 | |
| 942 | case GTPV1_EH_MSI_CHANGE_RPT0x02: |
| 943 | printf(" [MS Info Change Reporting]"); |
| 944 | break; |
| 945 | |
| 946 | case GTPV1_EH_PDCP_PDU_NO0xc0: |
| 947 | printf(" [PDCP PDU %u]", |
| 948 | ntohs(*(u_int16_t *)(p + 1))(__uint16_t)(__builtin_constant_p(*(u_int16_t *)(p + 1)) ? (__uint16_t )(((__uint16_t)(*(u_int16_t *)(p + 1)) & 0xffU) << 8 | ((__uint16_t)(*(u_int16_t *)(p + 1)) & 0xff00U) >> 8) : __swap16md(*(u_int16_t *)(p + 1)))); |
| 949 | break; |
| 950 | |
| 951 | case GTPV1_EH_SUSPEND_REQUEST0xc1: |
| 952 | printf(" [Suspend Request]"); |
| 953 | break; |
| 954 | |
| 955 | case GTPV1_EH_SUSPEND_RESPONSE0xc2: |
| 956 | printf(" [Suspend Response]"); |
| 957 | break; |
| 958 | |
| 959 | default: |
| 960 | printf(" [Unknown Header %u]", nexthdr); |
| 961 | } |
| 962 | |
| 963 | p += hlen - 1; |
| 964 | nexthdr = (int)p[0]; |
| 965 | p++; |
| 966 | } |
| 967 | |
| 968 | } |
| 969 | |
| 970 | hlen = p - cp; |
| 971 | |
| 972 | if (dport == GTPV1_C_PORT2123 || sport == GTPV1_C_PORT2123) |
| 973 | gtp_v1_print_ctrl(p, hlen, gh); |
| 974 | else if (dport == GTPV1_U_PORT2152 || sport == GTPV1_U_PORT2152) |
| 975 | gtp_v1_print_user(p, hlen, gh); |
| 976 | |
| 977 | return; |
| 978 | |
| 979 | trunc: |
| 980 | printf(" [|%s]", tok2str(gtp_type, "GTP", gtp_proto)); |
| 981 | } |
| 982 | |
| 983 | void |
| 984 | gtp_v1_print_ctrl(const u_char *cp, u_int hlen, struct gtp_v1_hdr *gh) |
| 985 | { |
| 986 | int len; |
| 987 | |
| 988 | /* Decode GTP control message. */ |
| 989 | printf(" %s", tok2str(gtp_v1_msgtype, "Message Type %u", gh->msgtype)); |
| 990 | |
| 991 | len = ntohs(gh->length)(__uint16_t)(__builtin_constant_p(gh->length) ? (__uint16_t )(((__uint16_t)(gh->length) & 0xffU) << 8 | ((__uint16_t )(gh->length) & 0xff00U) >> 8) : __swap16md(gh-> length)) - hlen + sizeof(*gh); |
| 992 | if (vflag) |
| 993 | gtp_decode_ie(cp, GTP_VERSION_11, len); |
| 994 | } |
| 995 | |
| 996 | void |
| 997 | gtp_v1_print_user(const u_char *cp, u_int hlen, struct gtp_v1_hdr *gh) |
| 998 | { |
| 999 | int len, version; |
| 1000 | |
| 1001 | /* Decode GTP user message. */ |
| 1002 | printf(" %s", tok2str(gtp_v1_msgtype, "Message Type %u", gh->msgtype)); |
| 1003 | |
| 1004 | if (!vflag) |
| 1005 | return; |
| 1006 | |
| 1007 | len = ntohs(gh->length)(__uint16_t)(__builtin_constant_p(gh->length) ? (__uint16_t )(((__uint16_t)(gh->length) & 0xffU) << 8 | ((__uint16_t )(gh->length) & 0xff00U) >> 8) : __swap16md(gh-> length)) - hlen + sizeof(*gh); |
| 1008 | |
| 1009 | if (gh->msgtype == GTPV1_G_PDU255) { |
| 1010 | |
| 1011 | TCHECK(cp[0])if (!(snapend - (sizeof(cp[0])) <= snapend && (const u_char *)&(cp[0]) <= snapend - (sizeof(cp[0])))) goto trunc; |
| 1012 | version = cp[0] >> 4; |
| 1013 | |
| 1014 | printf(" { "); |
| 1015 | |
| 1016 | if (version == 4) |
| 1017 | ip_print(cp, len); |
| 1018 | else if (version == 6) |
| 1019 | ip6_print(cp, len); |
| 1020 | else |
| 1021 | printf("Unknown IP version %u", version); |
| 1022 | |
| 1023 | printf(" }"); |
| 1024 | |
| 1025 | } else |
| 1026 | gtp_decode_ie(cp, GTP_VERSION_11, len); |
| 1027 | |
| 1028 | return; |
| 1029 | |
| 1030 | trunc: |
| 1031 | printf(" [|%s]", tok2str(gtp_type, "GTP", gtp_proto)); |
| 1032 | } |
| 1033 | |
| 1034 | void |
| 1035 | gtp_v1_print_prime(const u_char *cp, struct gtp_v1_prime_hdr *gph) |
| 1036 | { |
| 1037 | int len; |
| 1038 | |
| 1039 | /* Decode GTP prime header. */ |
| 1040 | TCHECK(*gph)if (!(snapend - (sizeof(*gph)) <= snapend && (const u_char *)&(*gph) <= snapend - (sizeof(*gph)))) goto trunc; |
| 1041 | cp += sizeof(struct gtp_v1_prime_hdr); |
| 1042 | |
| 1043 | len = ntohs(gph->length)(__uint16_t)(__builtin_constant_p(gph->length) ? (__uint16_t )(((__uint16_t)(gph->length) & 0xffU) << 8 | ((__uint16_t )(gph->length) & 0xff00U) >> 8) : __swap16md(gph ->length)); |
| 1044 | printf(" (len %u, seq %u) ", len, ntohs(gph->seqno)(__uint16_t)(__builtin_constant_p(gph->seqno) ? (__uint16_t )(((__uint16_t)(gph->seqno) & 0xffU) << 8 | ((__uint16_t )(gph->seqno) & 0xff00U) >> 8) : __swap16md(gph-> seqno))); |
| 1045 | |
| 1046 | /* Decode GTP message. */ |
| 1047 | printf("%s", tok2str(gtp_v1_msgtype, "Message Type %u", gph->msgtype)); |
| 1048 | |
| 1049 | if (vflag) |
| 1050 | gtp_decode_ie(cp, GTP_VERSION_11, len); |
| 1051 | |
| 1052 | return; |
| 1053 | |
| 1054 | trunc: |
| 1055 | printf(" [|%s]", tok2str(gtp_type, "GTP", gtp_proto)); |
| 1056 | } |
| 1057 | |
| 1058 | int |
| 1059 | gtp_v1_print_tv(const u_char *cp, u_int value) |
| 1060 | { |
| 1061 | u_int32_t *dpl; |
| 1062 | u_int16_t *dps; |
| 1063 | u_int8_t data; |
| 1064 | int ielen = -1; |
| 1065 | |
| 1066 | switch (value) { |
| 1067 | case GTPV1_TV_CAUSE1: |
| 1068 | |
| 1069 | /* 29.060 - 7.7.1 Cause. */ |
| 1070 | TCHECK(cp[0])if (!(snapend - (sizeof(cp[0])) <= snapend && (const u_char *)&(cp[0]) <= snapend - (sizeof(cp[0])))) goto trunc; |
| 1071 | data = (u_int8_t)cp[0]; |
| 1072 | ielen = GTPV1_TV_CAUSE_LENGTH2; |
| 1073 | printf("Cause: %s", tok2str(gtp_v1_cause, "#%u", data)); |
| 1074 | break; |
| 1075 | |
| 1076 | case GTPV1_TV_IMSI2: |
| 1077 | |
| 1078 | /* 29.060 7.7.2 - International Mobile Subscriber Identity. */ |
| 1079 | TCHECK2(cp[0], GTPV1_TV_IMSI_LENGTH - 1)if (!(snapend - (9 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (9 - 1))) goto trunc; |
| 1080 | printf("IMSI "); |
| 1081 | gtp_print_tbcd(cp, GTPV1_TV_IMSI_LENGTH9 - 1); |
| 1082 | ielen = GTPV1_TV_IMSI_LENGTH9; |
| 1083 | break; |
| 1084 | |
| 1085 | case GTPV1_TV_RAI3: |
| 1086 | |
| 1087 | /* 29.060 7.7.3 - Routing Area Identity (RAI). */ |
| 1088 | TCHECK2(cp[0], GTPV1_TV_RAI_LENGTH - 1)if (!(snapend - (7 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (7 - 1))) goto trunc; |
| 1089 | printf("RAI: MCC "); |
| 1090 | data = cp[1] | 0xf0; |
| 1091 | gtp_print_tbcd(cp, 1); |
| 1092 | gtp_print_tbcd(&data, 1); |
| 1093 | printf(", MNC "); |
| 1094 | data = (cp[1] >> 4) | 0xf0; |
| 1095 | gtp_print_tbcd(cp + 2, 1); |
| 1096 | gtp_print_tbcd(&data, 1); |
| 1097 | printf(", LAC 0x%x%x", cp[3], cp[4]); |
| 1098 | printf(", RAC 0x%x", cp[5]); |
| 1099 | ielen = GTPV1_TV_RAI_LENGTH7; |
| 1100 | break; |
| 1101 | |
| 1102 | case GTPV1_TV_TLLI4: |
| 1103 | |
| 1104 | /* 29.060 7.7.4 - Temporary Logical Link Identity (TLLI). */ |
| 1105 | TCHECK2(cp[0], GTPV1_TV_TLLI_LENGTH - 1)if (!(snapend - (5 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (5 - 1))) goto trunc; |
| 1106 | dpl = (u_int32_t *)cp; |
| 1107 | printf("TLLI 0x%x", ntohl(*dpl)(__uint32_t)(__builtin_constant_p(*dpl) ? (__uint32_t)(((__uint32_t )(*dpl) & 0xff) << 24 | ((__uint32_t)(*dpl) & 0xff00 ) << 8 | ((__uint32_t)(*dpl) & 0xff0000) >> 8 | ((__uint32_t)(*dpl) & 0xff000000) >> 24) : __swap32md (*dpl))); |
| 1108 | ielen = GTPV1_TV_TLLI_LENGTH5; |
| 1109 | break; |
| 1110 | |
| 1111 | case GTPV1_TV_PTMSI5: |
| 1112 | |
| 1113 | /* 29.060 7.7.5 - Packet TMSI (P-TMSI). */ |
| 1114 | TCHECK2(cp[0], GTPV1_TV_PTMSI_LENGTH - 1)if (!(snapend - (6 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (6 - 1))) goto trunc; |
| 1115 | dpl = (u_int32_t *)cp; |
| 1116 | printf("P-TMSI 0x%x", ntohl(*dpl)(__uint32_t)(__builtin_constant_p(*dpl) ? (__uint32_t)(((__uint32_t )(*dpl) & 0xff) << 24 | ((__uint32_t)(*dpl) & 0xff00 ) << 8 | ((__uint32_t)(*dpl) & 0xff0000) >> 8 | ((__uint32_t)(*dpl) & 0xff000000) >> 24) : __swap32md (*dpl))); |
| 1117 | ielen = GTPV1_TV_PTMSI_LENGTH6; |
| 1118 | break; |
| 1119 | |
| 1120 | case GTPV1_TV_REORDER8: |
| 1121 | |
| 1122 | /* 29.060 7.7.6 - Reordering Required. */ |
| 1123 | TCHECK2(cp[0], GTPV1_TV_REORDER_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1124 | printf("Reordering Required: "); |
| 1125 | if (cp[0] & 0x1) |
| 1126 | printf("yes"); |
| 1127 | else |
| 1128 | printf("no"); |
| 1129 | ielen = GTPV1_TV_REORDER_LENGTH2; |
| 1130 | break; |
| 1131 | |
| 1132 | case GTPV1_TV_AUTH9: |
| 1133 | |
| 1134 | /* 29.060 7.7.7 - Authentication Triplet. */ |
| 1135 | TCHECK2(cp[0], GTPV1_TV_AUTH_LENGTH - 1)if (!(snapend - (29 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (29 - 1))) goto trunc; |
| 1136 | dpl = (u_int32_t *)cp; |
| 1137 | printf("Auth: RAND 0x%x%x%x%x, SRES 0x%x, Kc 0x%x%x", |
| 1138 | ntohl(dpl[0])(__uint32_t)(__builtin_constant_p(dpl[0]) ? (__uint32_t)(((__uint32_t )(dpl[0]) & 0xff) << 24 | ((__uint32_t)(dpl[0]) & 0xff00) << 8 | ((__uint32_t)(dpl[0]) & 0xff0000) >> 8 | ((__uint32_t)(dpl[0]) & 0xff000000) >> 24) : __swap32md (dpl[0])), ntohl(dpl[1])(__uint32_t)(__builtin_constant_p(dpl[1]) ? (__uint32_t)(((__uint32_t )(dpl[1]) & 0xff) << 24 | ((__uint32_t)(dpl[1]) & 0xff00) << 8 | ((__uint32_t)(dpl[1]) & 0xff0000) >> 8 | ((__uint32_t)(dpl[1]) & 0xff000000) >> 24) : __swap32md (dpl[1])), ntohl(dpl[2])(__uint32_t)(__builtin_constant_p(dpl[2]) ? (__uint32_t)(((__uint32_t )(dpl[2]) & 0xff) << 24 | ((__uint32_t)(dpl[2]) & 0xff00) << 8 | ((__uint32_t)(dpl[2]) & 0xff0000) >> 8 | ((__uint32_t)(dpl[2]) & 0xff000000) >> 24) : __swap32md (dpl[2])), ntohl(dpl[3])(__uint32_t)(__builtin_constant_p(dpl[3]) ? (__uint32_t)(((__uint32_t )(dpl[3]) & 0xff) << 24 | ((__uint32_t)(dpl[3]) & 0xff00) << 8 | ((__uint32_t)(dpl[3]) & 0xff0000) >> 8 | ((__uint32_t)(dpl[3]) & 0xff000000) >> 24) : __swap32md (dpl[3])), |
| 1139 | ntohl(dpl[4])(__uint32_t)(__builtin_constant_p(dpl[4]) ? (__uint32_t)(((__uint32_t )(dpl[4]) & 0xff) << 24 | ((__uint32_t)(dpl[4]) & 0xff00) << 8 | ((__uint32_t)(dpl[4]) & 0xff0000) >> 8 | ((__uint32_t)(dpl[4]) & 0xff000000) >> 24) : __swap32md (dpl[4])), ntohl(dpl[5])(__uint32_t)(__builtin_constant_p(dpl[5]) ? (__uint32_t)(((__uint32_t )(dpl[5]) & 0xff) << 24 | ((__uint32_t)(dpl[5]) & 0xff00) << 8 | ((__uint32_t)(dpl[5]) & 0xff0000) >> 8 | ((__uint32_t)(dpl[5]) & 0xff000000) >> 24) : __swap32md (dpl[5])), ntohl(dpl[6])(__uint32_t)(__builtin_constant_p(dpl[6]) ? (__uint32_t)(((__uint32_t )(dpl[6]) & 0xff) << 24 | ((__uint32_t)(dpl[6]) & 0xff00) << 8 | ((__uint32_t)(dpl[6]) & 0xff0000) >> 8 | ((__uint32_t)(dpl[6]) & 0xff000000) >> 24) : __swap32md (dpl[6]))); |
| 1140 | ielen = GTPV1_TV_AUTH_LENGTH29; |
| 1141 | break; |
| 1142 | |
| 1143 | case GTPV1_TV_MAP_CAUSE11: |
| 1144 | |
| 1145 | /* 29.060 7.7.8 - MAP Cause. */ |
| 1146 | /* Cause defined in 3GPP TS 29.002. */ |
| 1147 | TCHECK2(cp[0], GTPV1_TV_MAP_CAUSE_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1148 | printf("Map Cause: %u", cp[0]); |
| 1149 | ielen = GTPV1_TV_MAP_CAUSE_LENGTH2; |
| 1150 | break; |
| 1151 | |
| 1152 | case GTPV1_TV_PTMSI_SIGNATURE12: |
| 1153 | |
| 1154 | /* 29.060 7.7.9 - P-TMSI Signature. */ |
| 1155 | /* Signature defined in 3GPP TS 24.008. */ |
| 1156 | TCHECK2(cp[0], GTPV1_TV_PTMSI_SIGNATURE_LENGTH - 1)if (!(snapend - (4 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (4 - 1))) goto trunc; |
| 1157 | printf("PTMSI Signature: 0x%x%x%x", cp[0], cp[1], cp[2]); |
| 1158 | ielen = GTPV1_TV_PTMSI_SIGNATURE_LENGTH4; |
| 1159 | break; |
| 1160 | |
| 1161 | case GTPV1_TV_MS_VALIDATED13: |
| 1162 | |
| 1163 | /* 29.060 7.7.10 - MS Validated. */ |
| 1164 | TCHECK2(cp[0], GTPV1_TV_MS_VALIDATED_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1165 | printf("MS Validated: "); |
| 1166 | if (cp[0] & 0x1) |
| 1167 | printf("yes"); |
| 1168 | else |
| 1169 | printf("no"); |
| 1170 | ielen = GTPV1_TV_MS_VALIDATED_LENGTH2; |
| 1171 | break; |
| 1172 | |
| 1173 | case GTPV1_TV_RECOVERY14: |
| 1174 | |
| 1175 | /* 29.060 7.7.11 - Recovery. */ |
| 1176 | TCHECK2(cp[0], GTPV1_TV_RECOVERY_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1177 | printf("Recovery: Restart counter %u", cp[0]); |
| 1178 | ielen = GTPV1_TV_RECOVERY_LENGTH2; |
| 1179 | break; |
| 1180 | |
| 1181 | case GTPV1_TV_SELECTION_MODE15: |
| 1182 | |
| 1183 | /* 29.060 7.7.12 - Selection Mode. */ |
| 1184 | TCHECK2(cp[0], GTPV1_TV_SELECTION_MODE_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1185 | data = (u_int8_t)cp[0]; |
| 1186 | printf("Selection Mode: %u", data & 0x2); |
| 1187 | ielen = GTPV1_TV_SELECTION_MODE_LENGTH2; |
| 1188 | break; |
| 1189 | |
| 1190 | case GTPV1_TV_TEID_DATA_I16: |
| 1191 | |
| 1192 | /* 29.060 7.7.13 - Tunnel Endpoint Identifier Data I. */ |
| 1193 | TCHECK2(cp[0], GTPV1_TV_TEID_DATA_I_LENGTH - 1)if (!(snapend - (5 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (5 - 1))) goto trunc; |
| 1194 | dpl = (u_int32_t *)cp; |
| 1195 | printf("TEI Data I: %u", ntohl(*dpl)(__uint32_t)(__builtin_constant_p(*dpl) ? (__uint32_t)(((__uint32_t )(*dpl) & 0xff) << 24 | ((__uint32_t)(*dpl) & 0xff00 ) << 8 | ((__uint32_t)(*dpl) & 0xff0000) >> 8 | ((__uint32_t)(*dpl) & 0xff000000) >> 24) : __swap32md (*dpl))); |
| 1196 | ielen = GTPV1_TV_TEID_DATA_I_LENGTH5; |
| 1197 | break; |
| 1198 | |
| 1199 | case GTPV1_TV_TEID_CTRL17: |
| 1200 | |
| 1201 | /* 29.060 7.7.14 - Tunnel Endpoint Identifier Control Plane. */ |
| 1202 | TCHECK2(cp[0], GTPV1_TV_TEID_CTRL_LENGTH - 1)if (!(snapend - (5 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (5 - 1))) goto trunc; |
| 1203 | dpl = (u_int32_t *)cp; |
| 1204 | printf("TEI Control Plane: %u", ntohl(*dpl)(__uint32_t)(__builtin_constant_p(*dpl) ? (__uint32_t)(((__uint32_t )(*dpl) & 0xff) << 24 | ((__uint32_t)(*dpl) & 0xff00 ) << 8 | ((__uint32_t)(*dpl) & 0xff0000) >> 8 | ((__uint32_t)(*dpl) & 0xff000000) >> 24) : __swap32md (*dpl))); |
| 1205 | ielen = GTPV1_TV_TEID_CTRL_LENGTH5; |
| 1206 | break; |
| 1207 | |
| 1208 | case GTPV1_TV_TEID_DATA_II18: |
| 1209 | |
| 1210 | /* 29.060 7.7.15 - Tunnel Endpoint Identifier Data II. */ |
| 1211 | TCHECK2(cp[0], GTPV1_TV_TEID_DATA_II_LENGTH - 1)if (!(snapend - (6 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (6 - 1))) goto trunc; |
| 1212 | data = cp[0] & 0xf; |
| 1213 | dpl = (u_int32_t *)(cp + 1); |
| 1214 | printf("TEI Data II: %u, NSAPI %u", ntohl(*dpl)(__uint32_t)(__builtin_constant_p(*dpl) ? (__uint32_t)(((__uint32_t )(*dpl) & 0xff) << 24 | ((__uint32_t)(*dpl) & 0xff00 ) << 8 | ((__uint32_t)(*dpl) & 0xff0000) >> 8 | ((__uint32_t)(*dpl) & 0xff000000) >> 24) : __swap32md (*dpl)), data); |
| 1215 | ielen = GTPV1_TV_TEID_DATA_II_LENGTH6; |
| 1216 | break; |
| 1217 | |
| 1218 | case GTPV1_TV_TEARDOWN19: |
| 1219 | |
| 1220 | /* 29.060 7.7.16 - Teardown Indicator. */ |
| 1221 | TCHECK2(cp[0], GTPV1_TV_TEARDOWN_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1222 | printf("Teardown: "); |
| 1223 | if (cp[0] & 0x1) |
| 1224 | printf("yes"); |
| 1225 | else |
| 1226 | printf("no"); |
| 1227 | ielen = GTPV1_TV_TEARDOWN_LENGTH2; |
| 1228 | break; |
| 1229 | |
| 1230 | case GTPV1_TV_NSAPI20: |
| 1231 | |
| 1232 | /* 29.060 7.7.17 - NSAPI. */ |
| 1233 | TCHECK2(cp[0], GTPV1_TV_NSAPI_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1234 | data = (u_int8_t)cp[0]; |
| 1235 | printf("NSAPI %u", data & 0xf); |
| 1236 | ielen = GTPV1_TV_NSAPI_LENGTH2; |
| 1237 | break; |
| 1238 | |
| 1239 | case GTPV1_TV_RANAP21: |
| 1240 | |
| 1241 | /* 29.060 7.7.18 - RANAP Cause. */ |
| 1242 | TCHECK2(cp[0], GTPV1_TV_RANAP_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1243 | printf("RANAP Cause: %u", cp[0]); |
| 1244 | ielen = GTPV1_TV_RANAP_LENGTH2; |
| 1245 | break; |
| 1246 | |
| 1247 | case GTPV1_TV_RAB_CONTEXT22: |
| 1248 | |
| 1249 | /* 29.060 7.7.19 - RAB Context. */ |
| 1250 | TCHECK2(cp[0], GTPV1_TV_RAB_CONTEXT_LENGTH - 1)if (!(snapend - (10 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (10 - 1))) goto trunc; |
| 1251 | data = cp[0] & 0xf; |
| 1252 | dps = (u_int16_t *)(cp + 1); |
| 1253 | printf("RAB Context: NSAPI %u, DL GTP-U Seq No %u," |
| 1254 | "UL GTP-U Seq No %u, DL PDCP Seq No %u, UL PDCP Seq No %u", |
| 1255 | data, ntohs(dps[0])(__uint16_t)(__builtin_constant_p(dps[0]) ? (__uint16_t)(((__uint16_t )(dps[0]) & 0xffU) << 8 | ((__uint16_t)(dps[0]) & 0xff00U) >> 8) : __swap16md(dps[0])), ntohs(dps[1])(__uint16_t)(__builtin_constant_p(dps[1]) ? (__uint16_t)(((__uint16_t )(dps[1]) & 0xffU) << 8 | ((__uint16_t)(dps[1]) & 0xff00U) >> 8) : __swap16md(dps[1])), ntohs(dps[2])(__uint16_t)(__builtin_constant_p(dps[2]) ? (__uint16_t)(((__uint16_t )(dps[2]) & 0xffU) << 8 | ((__uint16_t)(dps[2]) & 0xff00U) >> 8) : __swap16md(dps[2])), |
| 1256 | ntohs(dps[3])(__uint16_t)(__builtin_constant_p(dps[3]) ? (__uint16_t)(((__uint16_t )(dps[3]) & 0xffU) << 8 | ((__uint16_t)(dps[3]) & 0xff00U) >> 8) : __swap16md(dps[3]))); |
| 1257 | ielen = GTPV1_TV_RAB_CONTEXT_LENGTH10; |
| 1258 | break; |
| 1259 | |
| 1260 | case GTPV1_TV_RADIO_PRIORITY_SMS23: |
| 1261 | |
| 1262 | /* 29.060 7.7.20 - Radio Priority SMS. */ |
| 1263 | TCHECK2(cp[0], GTPV1_TV_RADIO_PRI_SMS_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1264 | printf("Radio Priority SMS: %u", cp[0] & 0x7); |
| 1265 | ielen = GTPV1_TV_RADIO_PRI_SMS_LENGTH2; |
| 1266 | break; |
| 1267 | |
| 1268 | case GTPV1_TV_RADIO_PRIORITY24: |
| 1269 | |
| 1270 | /* 29.060 7.7.21 - Radio Priority. */ |
| 1271 | TCHECK2(cp[0], GTPV1_TV_RADIO_PRI_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1272 | data = cp[0] >> 4; |
| 1273 | printf("Radio Priority: %u, NSAPI %u", cp[0] & 0x7, data); |
| 1274 | ielen = GTPV1_TV_RADIO_PRI_LENGTH2; |
| 1275 | break; |
| 1276 | |
| 1277 | case GTPV1_TV_PACKET_FLOW_ID25: |
| 1278 | |
| 1279 | /* 29.060 7.7.22 - Packet Flow ID. */ |
| 1280 | TCHECK2(cp[0], GTPV1_TV_PACKET_FLOW_ID_LENGTH - 1)if (!(snapend - (3 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (3 - 1))) goto trunc; |
| 1281 | printf("Packet Flow ID: %u, NSAPI %u", cp[1], cp[0] & 0xf); |
| 1282 | ielen = GTPV1_TV_PACKET_FLOW_ID_LENGTH3; |
| 1283 | break; |
| 1284 | |
| 1285 | case GTPV1_TV_CHARGING26: |
| 1286 | |
| 1287 | /* 29.060 7.7.23 - Charging Characteristics. */ |
| 1288 | /* Charging defined in 3GPP TS 32.298. */ |
| 1289 | TCHECK2(cp[0], GTPV1_TV_CHARGING_LENGTH - 1)if (!(snapend - (3 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (3 - 1))) goto trunc; |
| 1290 | printf("Charging Characteristics"); /* XXX */ |
| 1291 | ielen = GTPV1_TV_CHARGING_LENGTH3; |
| 1292 | break; |
| 1293 | |
| 1294 | case GTPV1_TV_TRACE_REFERENCE27: |
| 1295 | |
| 1296 | /* 29.060 7.7.24 - Trace Reference. */ |
| 1297 | TCHECK2(cp[0], GTPV1_TV_TRACE_REFERENCE_LENGTH - 1)if (!(snapend - (3 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (3 - 1))) goto trunc; |
| 1298 | dps = (u_int16_t *)cp; |
| 1299 | printf("Trace Reference: %u", ntohs(*dps)(__uint16_t)(__builtin_constant_p(*dps) ? (__uint16_t)(((__uint16_t )(*dps) & 0xffU) << 8 | ((__uint16_t)(*dps) & 0xff00U ) >> 8) : __swap16md(*dps))); |
| 1300 | ielen = GTPV1_TV_TRACE_REFERENCE_LENGTH3; |
| 1301 | break; |
| 1302 | |
| 1303 | case GTPV1_TV_TRACE_TYPE28: |
| 1304 | |
| 1305 | /* 29.060 7.7.25 - Trace Type. */ |
| 1306 | /* Trace type defined in GSM 12.08. */ |
| 1307 | TCHECK2(cp[0], GTPV1_TV_TRACE_TYPE_LENGTH - 1)if (!(snapend - (3 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (3 - 1))) goto trunc; |
| 1308 | dps = (u_int16_t *)cp; |
| 1309 | printf("Trace Type: %u", ntohs(*dps)(__uint16_t)(__builtin_constant_p(*dps) ? (__uint16_t)(((__uint16_t )(*dps) & 0xffU) << 8 | ((__uint16_t)(*dps) & 0xff00U ) >> 8) : __swap16md(*dps))); |
| 1310 | ielen = GTPV1_TV_TRACE_TYPE_LENGTH3; |
| 1311 | break; |
| 1312 | |
| 1313 | case GTPV1_TV_MSNRR29: |
| 1314 | |
| 1315 | /* 29.060 7.7.26 - MS Not Reachable Reason. */ |
| 1316 | /* Reason defined in 3GPP TS 23.040. */ |
| 1317 | TCHECK2(cp[0], GTPV1_TV_MSNRR_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1318 | printf("MS NRR: %u", cp[0]); |
| 1319 | ielen = GTPV1_TV_MSNRR_LENGTH2; |
| 1320 | break; |
| 1321 | |
| 1322 | case GTPV1_TV_PACKET_XFER_CMD126: |
| 1323 | |
| 1324 | /* 32.295 6.2.4.5.2 - Packet Transfer Command. */ |
| 1325 | TCHECK2(cp[0], GTPV1_TV_PACKET_XFER_CMD_LENGTH - 1)if (!(snapend - (2 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (2 - 1))) goto trunc; |
| 1326 | printf("Packet Transfer Command"); |
| 1327 | gtp_print_str(gtp_packet_xfer_cmd, nitems(gtp_packet_xfer_cmd)(sizeof((gtp_packet_xfer_cmd)) / sizeof((gtp_packet_xfer_cmd) [0])), |
| 1328 | cp[0]); |
| 1329 | ielen = GTPV1_TV_PACKET_XFER_CMD_LENGTH2; |
| 1330 | break; |
| 1331 | |
| 1332 | case GTPV1_TV_CHARGING_ID127: |
| 1333 | |
| 1334 | /* 29.060 7.7.26 - Charging ID. */ |
| 1335 | TCHECK2(cp[0], GTPV1_TV_CHARGING_ID_LENGTH - 1)if (!(snapend - (5 - 1) <= snapend && (const u_char *)&(cp[0]) <= snapend - (5 - 1))) goto trunc; |
| 1336 | dpl = (u_int32_t *)cp; |
| 1337 | printf("Charging ID: %u", ntohl(*dpl)(__uint32_t)(__builtin_constant_p(*dpl) ? (__uint32_t)(((__uint32_t )(*dpl) & 0xff) << 24 | ((__uint32_t)(*dpl) & 0xff00 ) << 8 | ((__uint32_t)(*dpl) & 0xff0000) >> 8 | ((__uint32_t)(*dpl) & 0xff000000) >> 24) : __swap32md (*dpl))); |
| 1338 | ielen = GTPV1_TV_CHARGING_ID_LENGTH5; |
| 1339 | break; |
| 1340 | |
| 1341 | default: |
| 1342 | printf("TV %u", value); |
| 1343 | } |
| 1344 | |
| 1345 | trunc: |
| 1346 | return ielen; |
| 1347 | } |
| 1348 | |
| 1349 | int |
| 1350 | gtp_v1_print_tlv(const u_char *cp, u_int value) |
| 1351 | { |
| 1352 | u_int8_t data; |
| 1353 | u_int16_t *lenp, *seqno, len; |
| 1354 | int ielen = -1; |
| 1355 | |
| 1356 | /* Get length of IE. */ |
| 1357 | TCHECK2(cp[0], 2)if (!(snapend - (2) <= snapend && (const u_char *) &(cp[0]) <= snapend - (2))) goto trunc; |
| 1358 | lenp = (u_int16_t *)cp; |
| 1359 | cp += 2; |
| 1360 | len = ntohs(*lenp)(__uint16_t)(__builtin_constant_p(*lenp) ? (__uint16_t)(((__uint16_t )(*lenp) & 0xffU) << 8 | ((__uint16_t)(*lenp) & 0xff00U) >> 8) : __swap16md(*lenp)); |
| 1361 | TCHECK2(cp[0], len)if (!(snapend - (len) <= snapend && (const u_char * )&(cp[0]) <= snapend - (len))) goto trunc; |
| 1362 | ielen = sizeof(data) + sizeof(len) + len; |
| 1363 | |
| 1364 | switch (value) { |
| 1365 | case GTPV1_TLV_END_USER_ADDRESS128: |
| 1366 | |
| 1367 | /* 3GPP 29.060 - 7.7.27 End User Address. */ |
| 1368 | printf("End User Address"); |
| 1369 | gtp_print_user_address(cp, len); |
| 1370 | break; |
| 1371 | |
| 1372 | case GTPV1_TLV_MM_CONTEXT129: |
| 1373 | |
| 1374 | /* 29.060 7.7.28 - MM Context. */ |
| 1375 | printf("MM Context"); /* XXX */ |
| 1376 | break; |
| 1377 | |
| 1378 | case GTPV1_TLV_PDP_CONTEXT130: |
| 1379 | |
| 1380 | /* 29.260 7.7.29 - PDP Context. */ |
| 1381 | printf("PDP Context"); /* XXX */ |
| 1382 | break; |
| 1383 | |
| 1384 | case GTPV1_TLV_ACCESS_POINT_NAME131: |
| 1385 | |
| 1386 | /* 29.060 7.7.30 - Access Point Name. */ |
| 1387 | printf("AP Name: "); |
| 1388 | gtp_print_apn(cp, len); |
| 1389 | break; |
| 1390 | |
| 1391 | case GTPV1_TLV_PROTOCOL_CONFIG_OPTIONS132: |
| 1392 | |
| 1393 | /* 29.060 7.7.31 - Protocol Configuration Options. */ |
| 1394 | /* Defined in 3GPP TS 24.008. */ |
| 1395 | printf("Config Options"); /* XXX */ |
| 1396 | break; |
| 1397 | |
| 1398 | case GTPV1_TLV_GSN_ADDRESS133: |
| 1399 | |
| 1400 | /* 29.060 7.7.32 - GSN Address. */ |
| 1401 | /* Defined in 3GPP TS 23.003. */ |
| 1402 | printf("GSN Address"); |
| 1403 | if (len == 4) |
| 1404 | printf(": %s", ipaddr_string(cp)getname((const u_char *)(cp))); |
| 1405 | else if (len == 16) |
| 1406 | printf(": %s", ip6addr_string(cp)getname6((const u_char *)(cp))); |
| 1407 | break; |
| 1408 | |
| 1409 | case GTPV1_TLV_MSISDN134: |
| 1410 | |
| 1411 | /* 29.060 7.7.33 - MS International PSTN/ISDN Number. */ |
| 1412 | printf("MSISDN "); |
| 1413 | data = (u_int8_t)cp[0]; /* XXX - Number type. */ |
Value stored to 'data' is never read | |
| 1414 | gtp_print_tbcd(cp + 1, len - 1); |
| 1415 | break; |
| 1416 | |
| 1417 | case GTPV1_TLV_QOS_PROFILE135: |
| 1418 | |
| 1419 | /* 29.060 7.7.34 - QoS Profile. */ |
| 1420 | /* QoS profile defined in 3GPP TS 24.008 10.5.6.5. */ |
| 1421 | printf("QoS Profile: "); |
| 1422 | data = (u_int8_t)cp[0]; |
| 1423 | printf("Delay Class %u, ", (data >> 3) & 0x7); |
| 1424 | printf("Reliability Class %u", data & 0x7); |
| 1425 | if (vflag > 1) { |
| 1426 | printf(", "); |
| 1427 | data = (u_int8_t)cp[1]; |
| 1428 | printf("Precedence Class %u", data & 0x7); |
| 1429 | /* XXX - Decode more QoS fields. */ |
| 1430 | } |
| 1431 | break; |
| 1432 | |
| 1433 | case GTPV1_TLV_AUTHENTICATION136: |
| 1434 | |
| 1435 | /* 29.060 7.7.35 - Authentication. */ |
| 1436 | printf("Authentication"); /* XXX */ |
| 1437 | break; |
| 1438 | |
| 1439 | case GTPV1_TLV_TRAFFIC_FLOW137: |
| 1440 | |
| 1441 | /* 29.060 7.7.36 - Traffic Flow Template. */ |
| 1442 | printf("Traffic Flow Template"); /* XXX */ |
| 1443 | break; |
| 1444 | |
| 1445 | case GTPV1_TLV_TARGET_IDENTIFICATION138: |
| 1446 | |
| 1447 | /* 29.060 7.7.37 - Target Identification. */ |
| 1448 | printf("Target ID"); /* XXX */ |
| 1449 | break; |
| 1450 | |
| 1451 | case GTPV1_TLV_UTRAN_CONTAINER139: |
| 1452 | |
| 1453 | /* 29.060 7.7.38 - UTRAN Transparent Container. */ |
| 1454 | printf("UTRAN Container"); /* XXX */ |
| 1455 | break; |
| 1456 | |
| 1457 | case GTPV1_TLV_RAB_SETUP_INFORMATION140: |
| 1458 | |
| 1459 | /* 29.060 7.7.39 - RAB Setup Information. */ |
| 1460 | printf("RAB Setup"); /* XXX */ |
| 1461 | break; |
| 1462 | |
| 1463 | case GTPV1_TLV_EXT_HEADER_TYPE_LIST141: |
| 1464 | |
| 1465 | /* 29.060 7.7.40 - Extension Header Type List. */ |
| 1466 | printf("Extension Header List"); /* XXX */ |
| 1467 | break; |
| 1468 | |
| 1469 | case GTPV1_TLV_TRIGGER_ID142: |
| 1470 | |
| 1471 | /* 29.060 7.7.41 - Trigger ID. */ |
| 1472 | printf("Trigger ID"); /* XXX */ |
| 1473 | break; |
| 1474 | |
| 1475 | case GTPV1_TLV_OMC_IDENTITY143: |
| 1476 | |
| 1477 | /* 29.060 7.7.42 - OMC Identity. */ |
| 1478 | printf("OMC Identity"); /* XXX */ |
| 1479 | break; |
| 1480 | |
| 1481 | case GTPV1_TLV_RAN_CONTAINER144: |
| 1482 | |
| 1483 | /* 29.060 7.7.43 - RAN Transparent Container. */ |
| 1484 | printf("RAN Container"); /* XXX */ |
| 1485 | break; |
| 1486 | |
| 1487 | case GTPV1_TLV_PDP_CONTEXT_PRIORITIZATION145: |
| 1488 | |
| 1489 | /* 29.060 7.7.45 - PDP Context Prioritization. */ |
| 1490 | printf("PDP Context Prioritization"); /* XXX */ |
| 1491 | break; |
| 1492 | |
| 1493 | case GTPV1_TLV_ADDITIONAL_RAB_SETUP_INFO146: |
| 1494 | |
| 1495 | /* 29.060 7.7.45A - Additional RAB Setup Information. */ |
| 1496 | printf("Additional RAB Setup"); /* XXX */ |
| 1497 | break; |
| 1498 | |
| 1499 | case GTPV1_TLV_SGSN_NUMBER147: |
| 1500 | |
| 1501 | /* 29.060 7.7.47 - SGSN Number. */ |
| 1502 | printf("SGSN Number"); /* XXX */ |
| 1503 | break; |
| 1504 | |
| 1505 | case GTPV1_TLV_COMMON_FLAGS148: |
| 1506 | |
| 1507 | /* 29.060 7.7.48 - Common Flags. */ |
| 1508 | printf("Common Flags"); /* XXX */ |
| 1509 | break; |
| 1510 | |
| 1511 | case GTPV1_TLV_APN_RESTRICTION149: |
| 1512 | |
| 1513 | /* 29.060 7.7.49 - APN Restriction. */ |
| 1514 | data = (u_int8_t)cp[0]; |
| 1515 | printf("APN Restriction: %u", data); |
| 1516 | break; |
| 1517 | |
| 1518 | case GTPV1_TLV_RADIO_PRIORITY_LCS150: |
| 1519 | |
| 1520 | /* 29.060 7.7.25B - Radio Priority LCS. */ |
| 1521 | printf("Radio Priority LCS: %u", cp[0] & 0x7); |
| 1522 | break; |
| 1523 | |
| 1524 | case GTPV1_TLV_RAT_TYPE151: |
| 1525 | |
| 1526 | /* 29.060 7.7.50 - RAT Type. */ |
| 1527 | printf("RAT"); |
| 1528 | gtp_print_str(gtp_rat_type, nitems(gtp_rat_type)(sizeof((gtp_rat_type)) / sizeof((gtp_rat_type)[0])), cp[0]); |
| 1529 | break; |
| 1530 | |
| 1531 | case GTPV1_TLV_USER_LOCATION_INFO152: |
| 1532 | |
| 1533 | /* 29.060 7.7.51 - User Location Information. */ |
| 1534 | printf("ULI"); /* XXX */ |
| 1535 | break; |
| 1536 | |
| 1537 | case GTPV1_TLV_MS_TIME_ZONE153: |
| 1538 | |
| 1539 | /* 29.060 7.7.52 - MS Time Zone. */ |
| 1540 | printf("MSTZ"); /* XXX */ |
| 1541 | break; |
| 1542 | |
| 1543 | case GTPV1_TLV_IMEI_SV154: |
| 1544 | |
| 1545 | /* 29.060 7.7.53 - IMEI(SV). */ |
| 1546 | printf("IMEI(SV) "); |
| 1547 | gtp_print_tbcd(cp, len); |
| 1548 | break; |
| 1549 | |
| 1550 | case GTPV1_TLV_CAMEL_CHARGING_CONTAINER155: |
| 1551 | |
| 1552 | /* 29.060 7.7.54 - CAMEL Charging Information Container. */ |
| 1553 | printf("CAMEL Charging"); /* XXX */ |
| 1554 | break; |
| 1555 | |
| 1556 | case GTPV1_TLV_MBMS_UE_CONTEXT156: |
| 1557 | |
| 1558 | /* 29.060 7.7.55 - MBMS UE Context. */ |
| 1559 | printf("MBMS UE Context"); /* XXX */ |
| 1560 | break; |
| 1561 | |
| 1562 | case GTPV1_TLV_TMGI157: |
| 1563 | |
| 1564 | /* 29.060 7.7.56 - Temporary Mobile Group Identity. */ |
| 1565 | printf("TMGI"); /* XXX */ |
| 1566 | break; |
| 1567 | |
| 1568 | case GTPV1_TLV_RIM_ROUTING_ADDRESS158: |
| 1569 | |
| 1570 | /* 29.060 7.7.57 - RIM Routing Address. */ |
| 1571 | printf("RIM Routing Address"); /* XXX */ |
| 1572 | break; |
| 1573 | |
| 1574 | case GTPV1_TLV_MBMS_PROTOCOL_CONFIG_OPTIONS159: |
| 1575 | |
| 1576 | /* 29.060 7.7.58 - MBMS Protocol Configuration Options. */ |
| 1577 | printf("MBMS Protocol Config Options"); /* XXX */ |
| 1578 | break; |
| 1579 | |
| 1580 | case GTPV1_TLV_MBMS_SERVICE_AREA160: |
| 1581 | |
| 1582 | /* 29.060 7.7.60 - MBMS Service Area. */ |
| 1583 | printf("MBMS Service Area"); /* XXX */ |
| 1584 | break; |
| 1585 | |
| 1586 | case GTPV1_TLV_SOURCE_RNC_PDCP_CONTEXT_INFO161: |
| 1587 | |
| 1588 | /* 29.060 7.7.61 - Source RNC PDCP Context Information. */ |
| 1589 | printf("Source RNC PDCP Context"); /* XXX */ |
| 1590 | break; |
| 1591 | |
| 1592 | case GTPV1_TLV_ADDITIONAL_TRACE_INFO162: |
| 1593 | |
| 1594 | /* 29.060 7.7.62 - Additional Trace Information. */ |
| 1595 | printf("Additional Trace Info"); /* XXX */ |
| 1596 | break; |
| 1597 | |
| 1598 | case GTPV1_TLV_HOP_COUNTER163: |
| 1599 | |
| 1600 | /* 29.060 7.7.63 - Hop Counter. */ |
| 1601 | printf("Hop Counter: %u", cp[0]); |
| 1602 | break; |
| 1603 | |
| 1604 | case GTPV1_TLV_SELECTED_PLMN_ID164: |
| 1605 | |
| 1606 | /* 29.060 7.7.64 - Selected PLMN ID. */ |
| 1607 | printf("Selected PLMN ID"); /* XXX */ |
| 1608 | break; |
| 1609 | |
| 1610 | case GTPV1_TLV_MBMS_SESSION_IDENTIFIER165: |
| 1611 | |
| 1612 | /* 29.060 7.7.65 - MBMS Session Identifier. */ |
| 1613 | printf("MBMS Session ID: %u", cp[0]); |
| 1614 | break; |
| 1615 | |
| 1616 | case GTPV1_TLV_MBMS_2G_3G_INDICATOR166: |
| 1617 | |
| 1618 | /* 29.060 7.7.66 - MBMS 2G/3G Indicator. */ |
| 1619 | printf("MBMS 2G/3G Indicator"); |
| 1620 | gtp_print_str(mbms_2g3g_indicator, nitems(mbms_2g3g_indicator)(sizeof((mbms_2g3g_indicator)) / sizeof((mbms_2g3g_indicator) [0])), |
| 1621 | cp[0]); |
| 1622 | break; |
| 1623 | |
| 1624 | case GTPV1_TLV_ENHANCED_NSAPI167: |
| 1625 | |
| 1626 | /* 29.060 7.7.67 - Enhanced NSAPI. */ |
| 1627 | printf("Enhanced NSAPI"); /* XXX */ |
| 1628 | break; |
| 1629 | |
| 1630 | case GTPV1_TLV_MBMS_SESSION_DURATION168: |
| 1631 | |
| 1632 | /* 29.060 7.7.59 - MBMS Session Duration. */ |
| 1633 | printf("MBMS Session Duration"); /* XXX */ |
| 1634 | break; |
| 1635 | |
| 1636 | case GTPV1_TLV_ADDITIONAL_MBMS_TRACE_INFO169: |
| 1637 | |
| 1638 | /* 29.060 7.7.68 - Additional MBMS Trace Info. */ |
| 1639 | printf("Additional MBMS Trace Info"); /* XXX */ |
| 1640 | break; |
| 1641 | |
| 1642 | case GTPV1_TLV_MBMS_SESSION_REPITITION_NO170: |
| 1643 | |
| 1644 | /* 29.060 7.7.69 - MBMS Session Repetition Number. */ |
| 1645 | printf("MBMS Session Repetition No: %u", cp[0]); |
| 1646 | break; |
| 1647 | |
| 1648 | case GTPV1_TLV_MBMS_TIME_TO_DATA_TRANSFER171: |
| 1649 | |
| 1650 | /* 29.060 7.7.70 - MBMS Time to Data Transfer. */ |
| 1651 | printf("MBMS Time to Data Transfer: %u", cp[0]); |
| 1652 | break; |
| 1653 | |
| 1654 | case GTPV1_TLV_PS_HANDOVER_REQUEST_CONTEXT172: |
| 1655 | |
| 1656 | /* 29.060 7.7.71 - PS Handover Request Context (Void). */ |
| 1657 | break; |
| 1658 | |
| 1659 | case GTPV1_TLV_BSS_CONTAINER173: |
| 1660 | |
| 1661 | /* 29.060 7.7.72 - BSS Container. */ |
| 1662 | printf("BSS Container"); /* XXX */ |
| 1663 | break; |
| 1664 | |
| 1665 | case GTPV1_TLV_CELL_IDENTIFICATION174: |
| 1666 | |
| 1667 | /* 29.060 7.7.73 - Cell Identification. */ |
| 1668 | printf("Cell Identification"); /* XXX */ |
| 1669 | break; |
| 1670 | |
| 1671 | case GTPV1_TLV_PDU_NUMBERS175: |
| 1672 | |
| 1673 | /* 29.060 7.7.74 - PDU Numbers. */ |
| 1674 | printf("PDU Numbers"); /* XXX */ |
| 1675 | break; |
| 1676 | |
| 1677 | case GTPV1_TLV_BSSGP_CAUSE176: |
| 1678 | |
| 1679 | /* 29.060 7.7.75 - BSSGP Cause. */ |
| 1680 | printf("BSSGP Cause: %u", cp[0]); |
| 1681 | break; |
| 1682 | |
| 1683 | case GTPV1_TLV_REQUIRED_MBMS_BEARER_CAP177: |
| 1684 | |
| 1685 | /* 29.060 7.7.76 - Required MBMS Bearer Cap. */ |
| 1686 | printf("Required MBMS Bearer Cap"); /* XXX */ |
| 1687 | break; |
| 1688 | |
| 1689 | case GTPV1_TLV_RIM_ROUTING_ADDRESS_DISC178: |
| 1690 | |
| 1691 | /* 29.060 7.7.77 - RIM Routing Address Discriminator. */ |
| 1692 | printf("RIM Routing Address Discriminator: %u", cp[0] & 0xf); |
| 1693 | break; |
| 1694 | |
| 1695 | case GTPV1_TLV_LIST_OF_SETUP_PFCS179: |
| 1696 | |
| 1697 | /* 29.060 7.7.78 - List of Setup PFCs. */ |
| 1698 | printf("List of Setup PFCs"); /* XXX */ |
| 1699 | break; |
| 1700 | |
| 1701 | case GTPV1_TLV_PS_HANDOVER_XID_PARAMETERS180: |
| 1702 | |
| 1703 | /* 29.060 7.7.79 - PS Handover XID Parameters. */ |
| 1704 | printf("PS Handover XID Parameters"); /* XXX */ |
| 1705 | break; |
| 1706 | |
| 1707 | case GTPV1_TLV_MS_INFO_CHANGE_REPORTING181: |
| 1708 | |
| 1709 | /* 29.060 7.7.80 - MS Info Change Reporting. */ |
| 1710 | printf("MS Info Change Reporting"); |
| 1711 | gtp_print_str(ms_info_change_rpt, nitems(ms_info_change_rpt)(sizeof((ms_info_change_rpt)) / sizeof((ms_info_change_rpt)[0 ])), |
| 1712 | cp[0]); |
| 1713 | break; |
| 1714 | |
| 1715 | case GTPV1_TLV_DIRECT_TUNNEL_FLAGS182: |
| 1716 | |
| 1717 | /* 29.060 7.7.81 - Direct Tunnel Flags. */ |
| 1718 | printf("Direct Tunnel Flags"); /* XXX */ |
| 1719 | break; |
| 1720 | |
| 1721 | case GTPV1_TLV_CORRELATION_ID183: |
| 1722 | |
| 1723 | /* 29.060 7.7.82 - Correlation ID. */ |
| 1724 | printf("Correlation ID"); /* XXX */ |
| 1725 | break; |
| 1726 | |
| 1727 | case GTPV1_TLV_BEARER_CONTROL_MODE184: |
| 1728 | |
| 1729 | /* 29.060 7.7.83 - Bearer Control Mode. */ |
| 1730 | printf("Bearer Control Mode"); /* XXX */ |
| 1731 | break; |
| 1732 | |
| 1733 | case GTPV1_TLV_MBMS_FLOW_IDENTIFIER185: |
| 1734 | |
| 1735 | /* 29.060 7.7.84 - MBMS Flow Identifier. */ |
| 1736 | printf("MBMS Flow Identifier"); /* XXX */ |
| 1737 | break; |
| 1738 | |
| 1739 | case GTPV1_TLV_RELEASED_PACKETS249: |
| 1740 | |
| 1741 | /* 32.295 6.2.4.5.4 - Sequence Numbers of Released Packets. */ |
| 1742 | printf("Released Packets:"); |
| 1743 | seqno = (u_int16_t *)cp; |
| 1744 | while (len > 0) { |
| 1745 | printf(" %u", ntohs(*seqno)(__uint16_t)(__builtin_constant_p(*seqno) ? (__uint16_t)(((__uint16_t )(*seqno) & 0xffU) << 8 | ((__uint16_t)(*seqno) & 0xff00U) >> 8) : __swap16md(*seqno))); |
| 1746 | seqno++; |
| 1747 | len -= sizeof(*seqno); |
| 1748 | } |
| 1749 | break; |
| 1750 | |
| 1751 | case GTPV1_TLV_CANCELLED_PACKETS250: |
| 1752 | |
| 1753 | /* 32.295 6.2.4.5.5 - Sequence Numbers of Cancelled Packets. */ |
| 1754 | printf("Cancelled Packets:"); |
| 1755 | seqno = (u_int16_t *)cp; |
| 1756 | while (len > 0) { |
| 1757 | printf(" %u", ntohs(*seqno)(__uint16_t)(__builtin_constant_p(*seqno) ? (__uint16_t)(((__uint16_t )(*seqno) & 0xffU) << 8 | ((__uint16_t)(*seqno) & 0xff00U) >> 8) : __swap16md(*seqno))); |
| 1758 | seqno++; |
| 1759 | len -= sizeof(*seqno); |
| 1760 | } |
| 1761 | break; |
| 1762 | |
| 1763 | case GTPV1_TLV_CHARGING_GATEWAY_ADDRESS251: |
| 1764 | |
| 1765 | /* 29.060 7.7.44 - Charging Gateway Address. */ |
| 1766 | printf("Charging Gateway"); |
| 1767 | if (len == 4) |
| 1768 | printf(": %s", ipaddr_string(cp)getname((const u_char *)(cp))); |
| 1769 | else if (len == 16) |
| 1770 | printf(": %s", ip6addr_string(cp)getname6((const u_char *)(cp))); |
| 1771 | break; |
| 1772 | |
| 1773 | case GTPV1_TLV_DATA_RECORD_PACKET252: |
| 1774 | |
| 1775 | /* 32.295 6.2.4.5.3 - Data Record Packet. */ |
| 1776 | printf("Data Record: Records %u, Format %u, Format Version %u", |
| 1777 | cp[0], cp[1], ntohs(*(u_int16_t *)(cp + 2))(__uint16_t)(__builtin_constant_p(*(u_int16_t *)(cp + 2)) ? ( __uint16_t)(((__uint16_t)(*(u_int16_t *)(cp + 2)) & 0xffU ) << 8 | ((__uint16_t)(*(u_int16_t *)(cp + 2)) & 0xff00U ) >> 8) : __swap16md(*(u_int16_t *)(cp + 2)))); |
| 1778 | break; |
| 1779 | |
| 1780 | case GTPV1_TLV_REQUESTS_RESPONDED253: |
| 1781 | |
| 1782 | /* 32.295 6.2.4.6 - Requests Responded. */ |
| 1783 | printf("Requests Responded:"); |
| 1784 | seqno = (u_int16_t *)cp; |
| 1785 | while (len > 0) { |
| 1786 | printf(" %u", ntohs(*seqno)(__uint16_t)(__builtin_constant_p(*seqno) ? (__uint16_t)(((__uint16_t )(*seqno) & 0xffU) << 8 | ((__uint16_t)(*seqno) & 0xff00U) >> 8) : __swap16md(*seqno))); |
| 1787 | seqno++; |
| 1788 | len -= sizeof(*seqno); |
| 1789 | } |
| 1790 | break; |
| 1791 | |
| 1792 | case GTPV1_TLV_ADDRESS_OF_RECOMMENDED_NODE254: |
| 1793 | |
| 1794 | /* 32.295 6.2.4.3 - Address of Recommended Node. */ |
| 1795 | printf("Address of Recommended Node"); |
| 1796 | if (len == 4) |
| 1797 | printf(": %s", ipaddr_string(cp)getname((const u_char *)(cp))); |
| 1798 | else if (len == 16) |
| 1799 | printf(": %s", ip6addr_string(cp)getname6((const u_char *)(cp))); |
| 1800 | break; |
| 1801 | |
| 1802 | case GTPV1_TLV_PRIVATE_EXTENSION255: |
| 1803 | |
| 1804 | /* 29.060 7.7.46 - Private Extension. */ |
| 1805 | printf("Private Extension"); |
| 1806 | break; |
| 1807 | |
| 1808 | default: |
| 1809 | printf("TLV %u (len %u)", value, len); |
| 1810 | } |
| 1811 | |
| 1812 | return ielen; |
| 1813 | |
| 1814 | trunc: |
| 1815 | return -1; |
| 1816 | } |