The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2001 |
| 3 | * Fortress Technologies, Inc. All rights reserved. |
| 4 | * Charlie Lenahan (clenahan@fortresstech.com) |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that: (1) source code distributions |
| 8 | * retain the above copyright notice and this paragraph in its entirety, (2) |
| 9 | * distributions including binary code include the above copyright notice and |
| 10 | * this paragraph in its entirety in the documentation or other materials |
| 11 | * provided with the distribution, and (3) all advertising materials mentioning |
| 12 | * features or use of this software display the following acknowledgement: |
| 13 | * ``This product includes software developed by the University of California, |
| 14 | * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| 15 | * the University nor the names of its contributors may be used to endorse |
| 16 | * or promote products derived from this software without specific prior |
| 17 | * written permission. |
| 18 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| 19 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| 20 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 21 | */ |
| 22 | |
| 23 | #ifndef lint |
| 24 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 25 | "@(#) $Header: /tcpdump/master/tcpdump/print-802_11.c,v 1.49 2007-12-29 23:25:02 guy Exp $ (LBL)"; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 26 | #endif |
| 27 | |
| 28 | #ifdef HAVE_CONFIG_H |
| 29 | #include "config.h" |
| 30 | #endif |
| 31 | |
| 32 | #include <tcpdump-stdinc.h> |
| 33 | |
| 34 | #include <stdio.h> |
| 35 | #include <pcap.h> |
| 36 | #include <string.h> |
| 37 | |
| 38 | #include "interface.h" |
| 39 | #include "addrtoname.h" |
| 40 | #include "ethertype.h" |
| 41 | |
| 42 | #include "extract.h" |
| 43 | |
| 44 | #include "cpack.h" |
| 45 | |
| 46 | #include "ieee802_11.h" |
| 47 | #include "ieee802_11_radio.h" |
| 48 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 49 | /* Radiotap state */ |
| 50 | /* This is used to save state when parsing/processing parameters */ |
| 51 | struct radiotap_state |
| 52 | { |
| 53 | u_int32_t present; |
| 54 | |
| 55 | u_int8_t rate; |
| 56 | }; |
| 57 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 58 | #define PRINT_SSID(p) \ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 59 | if (p.ssid_present) { \ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 60 | printf(" ("); \ |
| 61 | fn_print(p.ssid.ssid, NULL); \ |
| 62 | printf(")"); \ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 63 | } |
| 64 | |
| 65 | #define PRINT_RATE(_sep, _r, _suf) \ |
| 66 | printf("%s%2.1f%s", _sep, (.5 * ((_r) & 0x7f)), _suf) |
| 67 | #define PRINT_RATES(p) \ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 68 | if (p.rates_present) { \ |
| 69 | int z; \ |
| 70 | const char *sep = " ["; \ |
| 71 | for (z = 0; z < p.rates.length ; z++) { \ |
| 72 | PRINT_RATE(sep, p.rates.rate[z], \ |
| 73 | (p.rates.rate[z] & 0x80 ? "*" : "")); \ |
| 74 | sep = " "; \ |
| 75 | } \ |
| 76 | if (p.rates.length != 0) \ |
| 77 | printf(" Mbit]"); \ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | #define PRINT_DS_CHANNEL(p) \ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 81 | if (p.ds_present) \ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 82 | printf(" CH: %u", p.ds.channel); \ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 83 | printf("%s", \ |
| 84 | CAPABILITY_PRIVACY(p.capability_info) ? ", PRIVACY" : "" ); |
| 85 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 86 | #define MAX_MCS_INDEX 76 |
| 87 | |
| 88 | /* |
| 89 | * Indices are: |
| 90 | * |
| 91 | * the MCS index (0-76); |
| 92 | * |
| 93 | * 0 for 20 MHz, 1 for 40 MHz; |
| 94 | * |
| 95 | * 0 for a long guard interval, 1 for a short guard interval. |
| 96 | */ |
| 97 | static const float ieee80211_float_htrates[MAX_MCS_INDEX+1][2][2] = { |
| 98 | /* MCS 0 */ |
| 99 | { /* 20 Mhz */ { 6.5, /* SGI */ 7.2, }, |
| 100 | /* 40 Mhz */ { 13.5, /* SGI */ 15.0, }, |
| 101 | }, |
| 102 | |
| 103 | /* MCS 1 */ |
| 104 | { /* 20 Mhz */ { 13.0, /* SGI */ 14.4, }, |
| 105 | /* 40 Mhz */ { 27.0, /* SGI */ 30.0, }, |
| 106 | }, |
| 107 | |
| 108 | /* MCS 2 */ |
| 109 | { /* 20 Mhz */ { 19.5, /* SGI */ 21.7, }, |
| 110 | /* 40 Mhz */ { 40.5, /* SGI */ 45.0, }, |
| 111 | }, |
| 112 | |
| 113 | /* MCS 3 */ |
| 114 | { /* 20 Mhz */ { 26.0, /* SGI */ 28.9, }, |
| 115 | /* 40 Mhz */ { 54.0, /* SGI */ 60.0, }, |
| 116 | }, |
| 117 | |
| 118 | /* MCS 4 */ |
| 119 | { /* 20 Mhz */ { 39.0, /* SGI */ 43.3, }, |
| 120 | /* 40 Mhz */ { 81.0, /* SGI */ 90.0, }, |
| 121 | }, |
| 122 | |
| 123 | /* MCS 5 */ |
| 124 | { /* 20 Mhz */ { 52.0, /* SGI */ 57.8, }, |
| 125 | /* 40 Mhz */ { 108.0, /* SGI */ 120.0, }, |
| 126 | }, |
| 127 | |
| 128 | /* MCS 6 */ |
| 129 | { /* 20 Mhz */ { 58.5, /* SGI */ 65.0, }, |
| 130 | /* 40 Mhz */ { 121.5, /* SGI */ 135.0, }, |
| 131 | }, |
| 132 | |
| 133 | /* MCS 7 */ |
| 134 | { /* 20 Mhz */ { 65.0, /* SGI */ 72.2, }, |
| 135 | /* 40 Mhz */ { 135.0, /* SGI */ 150.0, }, |
| 136 | }, |
| 137 | |
| 138 | /* MCS 8 */ |
| 139 | { /* 20 Mhz */ { 13.0, /* SGI */ 14.4, }, |
| 140 | /* 40 Mhz */ { 27.0, /* SGI */ 30.0, }, |
| 141 | }, |
| 142 | |
| 143 | /* MCS 9 */ |
| 144 | { /* 20 Mhz */ { 26.0, /* SGI */ 28.9, }, |
| 145 | /* 40 Mhz */ { 54.0, /* SGI */ 60.0, }, |
| 146 | }, |
| 147 | |
| 148 | /* MCS 10 */ |
| 149 | { /* 20 Mhz */ { 39.0, /* SGI */ 43.3, }, |
| 150 | /* 40 Mhz */ { 81.0, /* SGI */ 90.0, }, |
| 151 | }, |
| 152 | |
| 153 | /* MCS 11 */ |
| 154 | { /* 20 Mhz */ { 52.0, /* SGI */ 57.8, }, |
| 155 | /* 40 Mhz */ { 108.0, /* SGI */ 120.0, }, |
| 156 | }, |
| 157 | |
| 158 | /* MCS 12 */ |
| 159 | { /* 20 Mhz */ { 78.0, /* SGI */ 86.7, }, |
| 160 | /* 40 Mhz */ { 162.0, /* SGI */ 180.0, }, |
| 161 | }, |
| 162 | |
| 163 | /* MCS 13 */ |
| 164 | { /* 20 Mhz */ { 104.0, /* SGI */ 115.6, }, |
| 165 | /* 40 Mhz */ { 216.0, /* SGI */ 240.0, }, |
| 166 | }, |
| 167 | |
| 168 | /* MCS 14 */ |
| 169 | { /* 20 Mhz */ { 117.0, /* SGI */ 130.0, }, |
| 170 | /* 40 Mhz */ { 243.0, /* SGI */ 270.0, }, |
| 171 | }, |
| 172 | |
| 173 | /* MCS 15 */ |
| 174 | { /* 20 Mhz */ { 130.0, /* SGI */ 144.4, }, |
| 175 | /* 40 Mhz */ { 270.0, /* SGI */ 300.0, }, |
| 176 | }, |
| 177 | |
| 178 | /* MCS 16 */ |
| 179 | { /* 20 Mhz */ { 19.5, /* SGI */ 21.7, }, |
| 180 | /* 40 Mhz */ { 40.5, /* SGI */ 45.0, }, |
| 181 | }, |
| 182 | |
| 183 | /* MCS 17 */ |
| 184 | { /* 20 Mhz */ { 39.0, /* SGI */ 43.3, }, |
| 185 | /* 40 Mhz */ { 81.0, /* SGI */ 90.0, }, |
| 186 | }, |
| 187 | |
| 188 | /* MCS 18 */ |
| 189 | { /* 20 Mhz */ { 58.5, /* SGI */ 65.0, }, |
| 190 | /* 40 Mhz */ { 121.5, /* SGI */ 135.0, }, |
| 191 | }, |
| 192 | |
| 193 | /* MCS 19 */ |
| 194 | { /* 20 Mhz */ { 78.0, /* SGI */ 86.7, }, |
| 195 | /* 40 Mhz */ { 162.0, /* SGI */ 180.0, }, |
| 196 | }, |
| 197 | |
| 198 | /* MCS 20 */ |
| 199 | { /* 20 Mhz */ { 117.0, /* SGI */ 130.0, }, |
| 200 | /* 40 Mhz */ { 243.0, /* SGI */ 270.0, }, |
| 201 | }, |
| 202 | |
| 203 | /* MCS 21 */ |
| 204 | { /* 20 Mhz */ { 156.0, /* SGI */ 173.3, }, |
| 205 | /* 40 Mhz */ { 324.0, /* SGI */ 360.0, }, |
| 206 | }, |
| 207 | |
| 208 | /* MCS 22 */ |
| 209 | { /* 20 Mhz */ { 175.5, /* SGI */ 195.0, }, |
| 210 | /* 40 Mhz */ { 364.5, /* SGI */ 405.0, }, |
| 211 | }, |
| 212 | |
| 213 | /* MCS 23 */ |
| 214 | { /* 20 Mhz */ { 195.0, /* SGI */ 216.7, }, |
| 215 | /* 40 Mhz */ { 405.0, /* SGI */ 450.0, }, |
| 216 | }, |
| 217 | |
| 218 | /* MCS 24 */ |
| 219 | { /* 20 Mhz */ { 26.0, /* SGI */ 28.9, }, |
| 220 | /* 40 Mhz */ { 54.0, /* SGI */ 60.0, }, |
| 221 | }, |
| 222 | |
| 223 | /* MCS 25 */ |
| 224 | { /* 20 Mhz */ { 52.0, /* SGI */ 57.8, }, |
| 225 | /* 40 Mhz */ { 108.0, /* SGI */ 120.0, }, |
| 226 | }, |
| 227 | |
| 228 | /* MCS 26 */ |
| 229 | { /* 20 Mhz */ { 78.0, /* SGI */ 86.7, }, |
| 230 | /* 40 Mhz */ { 162.0, /* SGI */ 180.0, }, |
| 231 | }, |
| 232 | |
| 233 | /* MCS 27 */ |
| 234 | { /* 20 Mhz */ { 104.0, /* SGI */ 115.6, }, |
| 235 | /* 40 Mhz */ { 216.0, /* SGI */ 240.0, }, |
| 236 | }, |
| 237 | |
| 238 | /* MCS 28 */ |
| 239 | { /* 20 Mhz */ { 156.0, /* SGI */ 173.3, }, |
| 240 | /* 40 Mhz */ { 324.0, /* SGI */ 360.0, }, |
| 241 | }, |
| 242 | |
| 243 | /* MCS 29 */ |
| 244 | { /* 20 Mhz */ { 208.0, /* SGI */ 231.1, }, |
| 245 | /* 40 Mhz */ { 432.0, /* SGI */ 480.0, }, |
| 246 | }, |
| 247 | |
| 248 | /* MCS 30 */ |
| 249 | { /* 20 Mhz */ { 234.0, /* SGI */ 260.0, }, |
| 250 | /* 40 Mhz */ { 486.0, /* SGI */ 540.0, }, |
| 251 | }, |
| 252 | |
| 253 | /* MCS 31 */ |
| 254 | { /* 20 Mhz */ { 260.0, /* SGI */ 288.9, }, |
| 255 | /* 40 Mhz */ { 540.0, /* SGI */ 600.0, }, |
| 256 | }, |
| 257 | |
| 258 | /* MCS 32 */ |
| 259 | { /* 20 Mhz */ { 0.0, /* SGI */ 0.0, }, /* not valid */ |
| 260 | /* 40 Mhz */ { 6.0, /* SGI */ 6.7, }, |
| 261 | }, |
| 262 | |
| 263 | /* MCS 33 */ |
| 264 | { /* 20 Mhz */ { 39.0, /* SGI */ 43.3, }, |
| 265 | /* 40 Mhz */ { 81.0, /* SGI */ 90.0, }, |
| 266 | }, |
| 267 | |
| 268 | /* MCS 34 */ |
| 269 | { /* 20 Mhz */ { 52.0, /* SGI */ 57.8, }, |
| 270 | /* 40 Mhz */ { 108.0, /* SGI */ 120.0, }, |
| 271 | }, |
| 272 | |
| 273 | /* MCS 35 */ |
| 274 | { /* 20 Mhz */ { 65.0, /* SGI */ 72.2, }, |
| 275 | /* 40 Mhz */ { 135.0, /* SGI */ 150.0, }, |
| 276 | }, |
| 277 | |
| 278 | /* MCS 36 */ |
| 279 | { /* 20 Mhz */ { 58.5, /* SGI */ 65.0, }, |
| 280 | /* 40 Mhz */ { 121.5, /* SGI */ 135.0, }, |
| 281 | }, |
| 282 | |
| 283 | /* MCS 37 */ |
| 284 | { /* 20 Mhz */ { 78.0, /* SGI */ 86.7, }, |
| 285 | /* 40 Mhz */ { 162.0, /* SGI */ 180.0, }, |
| 286 | }, |
| 287 | |
| 288 | /* MCS 38 */ |
| 289 | { /* 20 Mhz */ { 97.5, /* SGI */ 108.3, }, |
| 290 | /* 40 Mhz */ { 202.5, /* SGI */ 225.0, }, |
| 291 | }, |
| 292 | |
| 293 | /* MCS 39 */ |
| 294 | { /* 20 Mhz */ { 52.0, /* SGI */ 57.8, }, |
| 295 | /* 40 Mhz */ { 108.0, /* SGI */ 120.0, }, |
| 296 | }, |
| 297 | |
| 298 | /* MCS 40 */ |
| 299 | { /* 20 Mhz */ { 65.0, /* SGI */ 72.2, }, |
| 300 | /* 40 Mhz */ { 135.0, /* SGI */ 150.0, }, |
| 301 | }, |
| 302 | |
| 303 | /* MCS 41 */ |
| 304 | { /* 20 Mhz */ { 65.0, /* SGI */ 72.2, }, |
| 305 | /* 40 Mhz */ { 135.0, /* SGI */ 150.0, }, |
| 306 | }, |
| 307 | |
| 308 | /* MCS 42 */ |
| 309 | { /* 20 Mhz */ { 78.0, /* SGI */ 86.7, }, |
| 310 | /* 40 Mhz */ { 162.0, /* SGI */ 180.0, }, |
| 311 | }, |
| 312 | |
| 313 | /* MCS 43 */ |
| 314 | { /* 20 Mhz */ { 91.0, /* SGI */ 101.1, }, |
| 315 | /* 40 Mhz */ { 189.0, /* SGI */ 210.0, }, |
| 316 | }, |
| 317 | |
| 318 | /* MCS 44 */ |
| 319 | { /* 20 Mhz */ { 91.0, /* SGI */ 101.1, }, |
| 320 | /* 40 Mhz */ { 189.0, /* SGI */ 210.0, }, |
| 321 | }, |
| 322 | |
| 323 | /* MCS 45 */ |
| 324 | { /* 20 Mhz */ { 104.0, /* SGI */ 115.6, }, |
| 325 | /* 40 Mhz */ { 216.0, /* SGI */ 240.0, }, |
| 326 | }, |
| 327 | |
| 328 | /* MCS 46 */ |
| 329 | { /* 20 Mhz */ { 78.0, /* SGI */ 86.7, }, |
| 330 | /* 40 Mhz */ { 162.0, /* SGI */ 180.0, }, |
| 331 | }, |
| 332 | |
| 333 | /* MCS 47 */ |
| 334 | { /* 20 Mhz */ { 97.5, /* SGI */ 108.3, }, |
| 335 | /* 40 Mhz */ { 202.5, /* SGI */ 225.0, }, |
| 336 | }, |
| 337 | |
| 338 | /* MCS 48 */ |
| 339 | { /* 20 Mhz */ { 97.5, /* SGI */ 108.3, }, |
| 340 | /* 40 Mhz */ { 202.5, /* SGI */ 225.0, }, |
| 341 | }, |
| 342 | |
| 343 | /* MCS 49 */ |
| 344 | { /* 20 Mhz */ { 117.0, /* SGI */ 130.0, }, |
| 345 | /* 40 Mhz */ { 243.0, /* SGI */ 270.0, }, |
| 346 | }, |
| 347 | |
| 348 | /* MCS 50 */ |
| 349 | { /* 20 Mhz */ { 136.5, /* SGI */ 151.7, }, |
| 350 | /* 40 Mhz */ { 283.5, /* SGI */ 315.0, }, |
| 351 | }, |
| 352 | |
| 353 | /* MCS 51 */ |
| 354 | { /* 20 Mhz */ { 136.5, /* SGI */ 151.7, }, |
| 355 | /* 40 Mhz */ { 283.5, /* SGI */ 315.0, }, |
| 356 | }, |
| 357 | |
| 358 | /* MCS 52 */ |
| 359 | { /* 20 Mhz */ { 156.0, /* SGI */ 173.3, }, |
| 360 | /* 40 Mhz */ { 324.0, /* SGI */ 360.0, }, |
| 361 | }, |
| 362 | |
| 363 | /* MCS 53 */ |
| 364 | { /* 20 Mhz */ { 65.0, /* SGI */ 72.2, }, |
| 365 | /* 40 Mhz */ { 135.0, /* SGI */ 150.0, }, |
| 366 | }, |
| 367 | |
| 368 | /* MCS 54 */ |
| 369 | { /* 20 Mhz */ { 78.0, /* SGI */ 86.7, }, |
| 370 | /* 40 Mhz */ { 162.0, /* SGI */ 180.0, }, |
| 371 | }, |
| 372 | |
| 373 | /* MCS 55 */ |
| 374 | { /* 20 Mhz */ { 91.0, /* SGI */ 101.1, }, |
| 375 | /* 40 Mhz */ { 189.0, /* SGI */ 210.0, }, |
| 376 | }, |
| 377 | |
| 378 | /* MCS 56 */ |
| 379 | { /* 20 Mhz */ { 78.0, /* SGI */ 86.7, }, |
| 380 | /* 40 Mhz */ { 162.0, /* SGI */ 180.0, }, |
| 381 | }, |
| 382 | |
| 383 | /* MCS 57 */ |
| 384 | { /* 20 Mhz */ { 91.0, /* SGI */ 101.1, }, |
| 385 | /* 40 Mhz */ { 189.0, /* SGI */ 210.0, }, |
| 386 | }, |
| 387 | |
| 388 | /* MCS 58 */ |
| 389 | { /* 20 Mhz */ { 104.0, /* SGI */ 115.6, }, |
| 390 | /* 40 Mhz */ { 216.0, /* SGI */ 240.0, }, |
| 391 | }, |
| 392 | |
| 393 | /* MCS 59 */ |
| 394 | { /* 20 Mhz */ { 117.0, /* SGI */ 130.0, }, |
| 395 | /* 40 Mhz */ { 243.0, /* SGI */ 270.0, }, |
| 396 | }, |
| 397 | |
| 398 | /* MCS 60 */ |
| 399 | { /* 20 Mhz */ { 104.0, /* SGI */ 115.6, }, |
| 400 | /* 40 Mhz */ { 216.0, /* SGI */ 240.0, }, |
| 401 | }, |
| 402 | |
| 403 | /* MCS 61 */ |
| 404 | { /* 20 Mhz */ { 117.0, /* SGI */ 130.0, }, |
| 405 | /* 40 Mhz */ { 243.0, /* SGI */ 270.0, }, |
| 406 | }, |
| 407 | |
| 408 | /* MCS 62 */ |
| 409 | { /* 20 Mhz */ { 130.0, /* SGI */ 144.4, }, |
| 410 | /* 40 Mhz */ { 270.0, /* SGI */ 300.0, }, |
| 411 | }, |
| 412 | |
| 413 | /* MCS 63 */ |
| 414 | { /* 20 Mhz */ { 130.0, /* SGI */ 144.4, }, |
| 415 | /* 40 Mhz */ { 270.0, /* SGI */ 300.0, }, |
| 416 | }, |
| 417 | |
| 418 | /* MCS 64 */ |
| 419 | { /* 20 Mhz */ { 143.0, /* SGI */ 158.9, }, |
| 420 | /* 40 Mhz */ { 297.0, /* SGI */ 330.0, }, |
| 421 | }, |
| 422 | |
| 423 | /* MCS 65 */ |
| 424 | { /* 20 Mhz */ { 97.5, /* SGI */ 108.3, }, |
| 425 | /* 40 Mhz */ { 202.5, /* SGI */ 225.0, }, |
| 426 | }, |
| 427 | |
| 428 | /* MCS 66 */ |
| 429 | { /* 20 Mhz */ { 117.0, /* SGI */ 130.0, }, |
| 430 | /* 40 Mhz */ { 243.0, /* SGI */ 270.0, }, |
| 431 | }, |
| 432 | |
| 433 | /* MCS 67 */ |
| 434 | { /* 20 Mhz */ { 136.5, /* SGI */ 151.7, }, |
| 435 | /* 40 Mhz */ { 283.5, /* SGI */ 315.0, }, |
| 436 | }, |
| 437 | |
| 438 | /* MCS 68 */ |
| 439 | { /* 20 Mhz */ { 117.0, /* SGI */ 130.0, }, |
| 440 | /* 40 Mhz */ { 243.0, /* SGI */ 270.0, }, |
| 441 | }, |
| 442 | |
| 443 | /* MCS 69 */ |
| 444 | { /* 20 Mhz */ { 136.5, /* SGI */ 151.7, }, |
| 445 | /* 40 Mhz */ { 283.5, /* SGI */ 315.0, }, |
| 446 | }, |
| 447 | |
| 448 | /* MCS 70 */ |
| 449 | { /* 20 Mhz */ { 156.0, /* SGI */ 173.3, }, |
| 450 | /* 40 Mhz */ { 324.0, /* SGI */ 360.0, }, |
| 451 | }, |
| 452 | |
| 453 | /* MCS 71 */ |
| 454 | { /* 20 Mhz */ { 175.5, /* SGI */ 195.0, }, |
| 455 | /* 40 Mhz */ { 364.5, /* SGI */ 405.0, }, |
| 456 | }, |
| 457 | |
| 458 | /* MCS 72 */ |
| 459 | { /* 20 Mhz */ { 156.0, /* SGI */ 173.3, }, |
| 460 | /* 40 Mhz */ { 324.0, /* SGI */ 360.0, }, |
| 461 | }, |
| 462 | |
| 463 | /* MCS 73 */ |
| 464 | { /* 20 Mhz */ { 175.5, /* SGI */ 195.0, }, |
| 465 | /* 40 Mhz */ { 364.5, /* SGI */ 405.0, }, |
| 466 | }, |
| 467 | |
| 468 | /* MCS 74 */ |
| 469 | { /* 20 Mhz */ { 195.0, /* SGI */ 216.7, }, |
| 470 | /* 40 Mhz */ { 405.0, /* SGI */ 450.0, }, |
| 471 | }, |
| 472 | |
| 473 | /* MCS 75 */ |
| 474 | { /* 20 Mhz */ { 195.0, /* SGI */ 216.7, }, |
| 475 | /* 40 Mhz */ { 405.0, /* SGI */ 450.0, }, |
| 476 | }, |
| 477 | |
| 478 | /* MCS 76 */ |
| 479 | { /* 20 Mhz */ { 214.5, /* SGI */ 238.3, }, |
| 480 | /* 40 Mhz */ { 445.5, /* SGI */ 495.0, }, |
| 481 | }, |
| 482 | }; |
| 483 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 484 | static const char *auth_alg_text[]={"Open System","Shared Key","EAP"}; |
| 485 | #define NUM_AUTH_ALGS (sizeof auth_alg_text / sizeof auth_alg_text[0]) |
| 486 | |
| 487 | static const char *status_text[] = { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 488 | "Successful", /* 0 */ |
| 489 | "Unspecified failure", /* 1 */ |
| 490 | "Reserved", /* 2 */ |
| 491 | "Reserved", /* 3 */ |
| 492 | "Reserved", /* 4 */ |
| 493 | "Reserved", /* 5 */ |
| 494 | "Reserved", /* 6 */ |
| 495 | "Reserved", /* 7 */ |
| 496 | "Reserved", /* 8 */ |
| 497 | "Reserved", /* 9 */ |
| 498 | "Cannot Support all requested capabilities in the Capability " |
| 499 | "Information field", /* 10 */ |
| 500 | "Reassociation denied due to inability to confirm that association " |
| 501 | "exists", /* 11 */ |
| 502 | "Association denied due to reason outside the scope of the " |
| 503 | "standard", /* 12 */ |
| 504 | "Responding station does not support the specified authentication " |
| 505 | "algorithm ", /* 13 */ |
| 506 | "Received an Authentication frame with authentication transaction " |
| 507 | "sequence number out of expected sequence", /* 14 */ |
| 508 | "Authentication rejected because of challenge failure", /* 15 */ |
| 509 | "Authentication rejected due to timeout waiting for next frame in " |
| 510 | "sequence", /* 16 */ |
| 511 | "Association denied because AP is unable to handle additional" |
| 512 | "associated stations", /* 17 */ |
| 513 | "Association denied due to requesting station not supporting all of " |
| 514 | "the data rates in BSSBasicRateSet parameter", /* 18 */ |
| 515 | "Association denied due to requesting station not supporting " |
| 516 | "short preamble operation", /* 19 */ |
| 517 | "Association denied due to requesting station not supporting " |
| 518 | "PBCC encoding", /* 20 */ |
| 519 | "Association denied due to requesting station not supporting " |
| 520 | "channel agility", /* 21 */ |
| 521 | "Association request rejected because Spectrum Management " |
| 522 | "capability is required", /* 22 */ |
| 523 | "Association request rejected because the information in the " |
| 524 | "Power Capability element is unacceptable", /* 23 */ |
| 525 | "Association request rejected because the information in the " |
| 526 | "Supported Channels element is unacceptable", /* 24 */ |
| 527 | "Association denied due to requesting station not supporting " |
| 528 | "short slot operation", /* 25 */ |
| 529 | "Association denied due to requesting station not supporting " |
| 530 | "DSSS-OFDM operation", /* 26 */ |
| 531 | "Association denied because the requested STA does not support HT " |
| 532 | "features", /* 27 */ |
| 533 | "Reserved", /* 28 */ |
| 534 | "Association denied because the requested STA does not support " |
| 535 | "the PCO transition time required by the AP", /* 29 */ |
| 536 | "Reserved", /* 30 */ |
| 537 | "Reserved", /* 31 */ |
| 538 | "Unspecified, QoS-related failure", /* 32 */ |
| 539 | "Association denied due to QAP having insufficient bandwidth " |
| 540 | "to handle another QSTA", /* 33 */ |
| 541 | "Association denied due to excessive frame loss rates and/or " |
| 542 | "poor conditions on current operating channel", /* 34 */ |
| 543 | "Association (with QBSS) denied due to requesting station not " |
| 544 | "supporting the QoS facility", /* 35 */ |
| 545 | "Association denied due to requesting station not supporting " |
| 546 | "Block Ack", /* 36 */ |
| 547 | "The request has been declined", /* 37 */ |
| 548 | "The request has not been successful as one or more parameters " |
| 549 | "have invalid values", /* 38 */ |
| 550 | "The TS has not been created because the request cannot be honored. " |
| 551 | "However, a suggested TSPEC is provided so that the initiating QSTA" |
| 552 | "may attempt to set another TS with the suggested changes to the " |
| 553 | "TSPEC", /* 39 */ |
| 554 | "Invalid Information Element", /* 40 */ |
| 555 | "Group Cipher is not valid", /* 41 */ |
| 556 | "Pairwise Cipher is not valid", /* 42 */ |
| 557 | "AKMP is not valid", /* 43 */ |
| 558 | "Unsupported RSN IE version", /* 44 */ |
| 559 | "Invalid RSN IE Capabilities", /* 45 */ |
| 560 | "Cipher suite is rejected per security policy", /* 46 */ |
| 561 | "The TS has not been created. However, the HC may be capable of " |
| 562 | "creating a TS, in response to a request, after the time indicated " |
| 563 | "in the TS Delay element", /* 47 */ |
| 564 | "Direct Link is not allowed in the BSS by policy", /* 48 */ |
| 565 | "Destination STA is not present within this QBSS.", /* 49 */ |
| 566 | "The Destination STA is not a QSTA.", /* 50 */ |
| 567 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 568 | }; |
| 569 | #define NUM_STATUSES (sizeof status_text / sizeof status_text[0]) |
| 570 | |
| 571 | static const char *reason_text[] = { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 572 | "Reserved", /* 0 */ |
| 573 | "Unspecified reason", /* 1 */ |
| 574 | "Previous authentication no longer valid", /* 2 */ |
| 575 | "Deauthenticated because sending station is leaving (or has left) " |
| 576 | "IBSS or ESS", /* 3 */ |
| 577 | "Disassociated due to inactivity", /* 4 */ |
| 578 | "Disassociated because AP is unable to handle all currently " |
| 579 | " associated stations", /* 5 */ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 580 | "Class 2 frame received from nonauthenticated station", /* 6 */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 581 | "Class 3 frame received from nonassociated station", /* 7 */ |
| 582 | "Disassociated because sending station is leaving " |
| 583 | "(or has left) BSS", /* 8 */ |
| 584 | "Station requesting (re)association is not authenticated with " |
| 585 | "responding station", /* 9 */ |
| 586 | "Disassociated because the information in the Power Capability " |
| 587 | "element is unacceptable", /* 10 */ |
| 588 | "Disassociated because the information in the SupportedChannels " |
| 589 | "element is unacceptable", /* 11 */ |
| 590 | "Invalid Information Element", /* 12 */ |
| 591 | "Reserved", /* 13 */ |
| 592 | "Michael MIC failure", /* 14 */ |
| 593 | "4-Way Handshake timeout", /* 15 */ |
| 594 | "Group key update timeout", /* 16 */ |
| 595 | "Information element in 4-Way Handshake different from (Re)Association" |
| 596 | "Request/Probe Response/Beacon", /* 17 */ |
| 597 | "Group Cipher is not valid", /* 18 */ |
| 598 | "AKMP is not valid", /* 20 */ |
| 599 | "Unsupported RSN IE version", /* 21 */ |
| 600 | "Invalid RSN IE Capabilities", /* 22 */ |
| 601 | "IEEE 802.1X Authentication failed", /* 23 */ |
| 602 | "Cipher suite is rejected per security policy", /* 24 */ |
| 603 | "Reserved", /* 25 */ |
| 604 | "Reserved", /* 26 */ |
| 605 | "Reserved", /* 27 */ |
| 606 | "Reserved", /* 28 */ |
| 607 | "Reserved", /* 29 */ |
| 608 | "Reserved", /* 30 */ |
| 609 | "TS deleted because QoS AP lacks sufficient bandwidth for this " |
| 610 | "QoS STA due to a change in BSS service characteristics or " |
| 611 | "operational mode (e.g. an HT BSS change from 40 MHz channel " |
| 612 | "to 20 MHz channel)", /* 31 */ |
| 613 | "Disassociated for unspecified, QoS-related reason", /* 32 */ |
| 614 | "Disassociated because QoS AP lacks sufficient bandwidth for this " |
| 615 | "QoS STA", /* 33 */ |
| 616 | "Disassociated because of excessive number of frames that need to be " |
| 617 | "acknowledged, but are not acknowledged for AP transmissions " |
| 618 | "and/or poor channel conditions", /* 34 */ |
| 619 | "Disassociated because STA is transmitting outside the limits " |
| 620 | "of its TXOPs", /* 35 */ |
| 621 | "Requested from peer STA as the STA is leaving the BSS " |
| 622 | "(or resetting)", /* 36 */ |
| 623 | "Requested from peer STA as it does not want to use the " |
| 624 | "mechanism", /* 37 */ |
| 625 | "Requested from peer STA as the STA received frames using the " |
| 626 | "mechanism for which a set up is required", /* 38 */ |
| 627 | "Requested from peer STA due to time out", /* 39 */ |
| 628 | "Reserved", /* 40 */ |
| 629 | "Reserved", /* 41 */ |
| 630 | "Reserved", /* 42 */ |
| 631 | "Reserved", /* 43 */ |
| 632 | "Reserved", /* 44 */ |
| 633 | "Peer STA does not support the requested cipher suite", /* 45 */ |
| 634 | "Association denied due to requesting STA not supporting HT " |
| 635 | "features", /* 46 */ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 636 | }; |
| 637 | #define NUM_REASONS (sizeof reason_text / sizeof reason_text[0]) |
| 638 | |
| 639 | static int |
| 640 | wep_print(const u_char *p) |
| 641 | { |
| 642 | u_int32_t iv; |
| 643 | |
| 644 | if (!TTEST2(*p, IEEE802_11_IV_LEN + IEEE802_11_KID_LEN)) |
| 645 | return 0; |
| 646 | iv = EXTRACT_LE_32BITS(p); |
| 647 | |
| 648 | printf("Data IV:%3x Pad %x KeyID %x", IV_IV(iv), IV_PAD(iv), |
| 649 | IV_KEYID(iv)); |
| 650 | |
| 651 | return 1; |
| 652 | } |
| 653 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 654 | static int |
| 655 | parse_elements(struct mgmt_body_t *pbody, const u_char *p, int offset, |
| 656 | u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 657 | { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 658 | u_int elementlen; |
| 659 | struct ssid_t ssid; |
| 660 | struct challenge_t challenge; |
| 661 | struct rates_t rates; |
| 662 | struct ds_t ds; |
| 663 | struct cf_t cf; |
| 664 | struct tim_t tim; |
| 665 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 666 | /* |
| 667 | * We haven't seen any elements yet. |
| 668 | */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 669 | pbody->challenge_present = 0; |
| 670 | pbody->ssid_present = 0; |
| 671 | pbody->rates_present = 0; |
| 672 | pbody->ds_present = 0; |
| 673 | pbody->cf_present = 0; |
| 674 | pbody->tim_present = 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 675 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 676 | while (length != 0) { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 677 | if (!TTEST2(*(p + offset), 1)) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 678 | return 0; |
| 679 | if (length < 1) |
| 680 | return 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 681 | switch (*(p + offset)) { |
| 682 | case E_SSID: |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 683 | if (!TTEST2(*(p + offset), 2)) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 684 | return 0; |
| 685 | if (length < 2) |
| 686 | return 0; |
| 687 | memcpy(&ssid, p + offset, 2); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 688 | offset += 2; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 689 | length -= 2; |
| 690 | if (ssid.length != 0) { |
| 691 | if (ssid.length > sizeof(ssid.ssid) - 1) |
| 692 | return 0; |
| 693 | if (!TTEST2(*(p + offset), ssid.length)) |
| 694 | return 0; |
| 695 | if (length < ssid.length) |
| 696 | return 0; |
| 697 | memcpy(&ssid.ssid, p + offset, ssid.length); |
| 698 | offset += ssid.length; |
| 699 | length -= ssid.length; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 700 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 701 | ssid.ssid[ssid.length] = '\0'; |
| 702 | /* |
| 703 | * Present and not truncated. |
| 704 | * |
| 705 | * If we haven't already seen an SSID IE, |
| 706 | * copy this one, otherwise ignore this one, |
| 707 | * so we later report the first one we saw. |
| 708 | */ |
| 709 | if (!pbody->ssid_present) { |
| 710 | pbody->ssid = ssid; |
| 711 | pbody->ssid_present = 1; |
| 712 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 713 | break; |
| 714 | case E_CHALLENGE: |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 715 | if (!TTEST2(*(p + offset), 2)) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 716 | return 0; |
| 717 | if (length < 2) |
| 718 | return 0; |
| 719 | memcpy(&challenge, p + offset, 2); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 720 | offset += 2; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 721 | length -= 2; |
| 722 | if (challenge.length != 0) { |
| 723 | if (challenge.length > |
| 724 | sizeof(challenge.text) - 1) |
| 725 | return 0; |
| 726 | if (!TTEST2(*(p + offset), challenge.length)) |
| 727 | return 0; |
| 728 | if (length < challenge.length) |
| 729 | return 0; |
| 730 | memcpy(&challenge.text, p + offset, |
| 731 | challenge.length); |
| 732 | offset += challenge.length; |
| 733 | length -= challenge.length; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 734 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 735 | challenge.text[challenge.length] = '\0'; |
| 736 | /* |
| 737 | * Present and not truncated. |
| 738 | * |
| 739 | * If we haven't already seen a challenge IE, |
| 740 | * copy this one, otherwise ignore this one, |
| 741 | * so we later report the first one we saw. |
| 742 | */ |
| 743 | if (!pbody->challenge_present) { |
| 744 | pbody->challenge = challenge; |
| 745 | pbody->challenge_present = 1; |
| 746 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 747 | break; |
| 748 | case E_RATES: |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 749 | if (!TTEST2(*(p + offset), 2)) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 750 | return 0; |
| 751 | if (length < 2) |
| 752 | return 0; |
| 753 | memcpy(&rates, p + offset, 2); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 754 | offset += 2; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 755 | length -= 2; |
| 756 | if (rates.length != 0) { |
| 757 | if (rates.length > sizeof rates.rate) |
| 758 | return 0; |
| 759 | if (!TTEST2(*(p + offset), rates.length)) |
| 760 | return 0; |
| 761 | if (length < rates.length) |
| 762 | return 0; |
| 763 | memcpy(&rates.rate, p + offset, rates.length); |
| 764 | offset += rates.length; |
| 765 | length -= rates.length; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 766 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 767 | /* |
| 768 | * Present and not truncated. |
| 769 | * |
| 770 | * If we haven't already seen a rates IE, |
| 771 | * copy this one if it's not zero-length, |
| 772 | * otherwise ignore this one, so we later |
| 773 | * report the first one we saw. |
| 774 | * |
| 775 | * We ignore zero-length rates IEs as some |
| 776 | * devices seem to put a zero-length rates |
| 777 | * IE, followed by an SSID IE, followed by |
| 778 | * a non-zero-length rates IE into frames, |
| 779 | * even though IEEE Std 802.11-2007 doesn't |
| 780 | * seem to indicate that a zero-length rates |
| 781 | * IE is valid. |
| 782 | */ |
| 783 | if (!pbody->rates_present && rates.length != 0) { |
| 784 | pbody->rates = rates; |
| 785 | pbody->rates_present = 1; |
| 786 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 787 | break; |
| 788 | case E_DS: |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 789 | if (!TTEST2(*(p + offset), 3)) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 790 | return 0; |
| 791 | if (length < 3) |
| 792 | return 0; |
| 793 | memcpy(&ds, p + offset, 3); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 794 | offset += 3; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 795 | length -= 3; |
| 796 | /* |
| 797 | * Present and not truncated. |
| 798 | * |
| 799 | * If we haven't already seen a DS IE, |
| 800 | * copy this one, otherwise ignore this one, |
| 801 | * so we later report the first one we saw. |
| 802 | */ |
| 803 | if (!pbody->ds_present) { |
| 804 | pbody->ds = ds; |
| 805 | pbody->ds_present = 1; |
| 806 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 807 | break; |
| 808 | case E_CF: |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 809 | if (!TTEST2(*(p + offset), 8)) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 810 | return 0; |
| 811 | if (length < 8) |
| 812 | return 0; |
| 813 | memcpy(&cf, p + offset, 8); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 814 | offset += 8; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 815 | length -= 8; |
| 816 | /* |
| 817 | * Present and not truncated. |
| 818 | * |
| 819 | * If we haven't already seen a CF IE, |
| 820 | * copy this one, otherwise ignore this one, |
| 821 | * so we later report the first one we saw. |
| 822 | */ |
| 823 | if (!pbody->cf_present) { |
| 824 | pbody->cf = cf; |
| 825 | pbody->cf_present = 1; |
| 826 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 827 | break; |
| 828 | case E_TIM: |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 829 | if (!TTEST2(*(p + offset), 2)) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 830 | return 0; |
| 831 | if (length < 2) |
| 832 | return 0; |
| 833 | memcpy(&tim, p + offset, 2); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 834 | offset += 2; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 835 | length -= 2; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 836 | if (!TTEST2(*(p + offset), 3)) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 837 | return 0; |
| 838 | if (length < 3) |
| 839 | return 0; |
| 840 | memcpy(&tim.count, p + offset, 3); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 841 | offset += 3; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 842 | length -= 3; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 843 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 844 | if (tim.length <= 3) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 845 | break; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 846 | if (tim.length - 3 > (int)sizeof tim.bitmap) |
| 847 | return 0; |
| 848 | if (!TTEST2(*(p + offset), tim.length - 3)) |
| 849 | return 0; |
| 850 | if (length < (u_int)(tim.length - 3)) |
| 851 | return 0; |
| 852 | memcpy(tim.bitmap, p + (tim.length - 3), |
| 853 | (tim.length - 3)); |
| 854 | offset += tim.length - 3; |
| 855 | length -= tim.length - 3; |
| 856 | /* |
| 857 | * Present and not truncated. |
| 858 | * |
| 859 | * If we haven't already seen a TIM IE, |
| 860 | * copy this one, otherwise ignore this one, |
| 861 | * so we later report the first one we saw. |
| 862 | */ |
| 863 | if (!pbody->tim_present) { |
| 864 | pbody->tim = tim; |
| 865 | pbody->tim_present = 1; |
| 866 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 867 | break; |
| 868 | default: |
| 869 | #if 0 |
| 870 | printf("(1) unhandled element_id (%d) ", |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 871 | *(p + offset)); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 872 | #endif |
| 873 | if (!TTEST2(*(p + offset), 2)) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 874 | return 0; |
| 875 | if (length < 2) |
| 876 | return 0; |
| 877 | elementlen = *(p + offset + 1); |
| 878 | if (!TTEST2(*(p + offset + 2), elementlen)) |
| 879 | return 0; |
| 880 | if (length < elementlen + 2) |
| 881 | return 0; |
| 882 | offset += elementlen + 2; |
| 883 | length -= elementlen + 2; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 884 | break; |
| 885 | } |
| 886 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 887 | |
| 888 | /* No problems found. */ |
| 889 | return 1; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 890 | } |
| 891 | |
| 892 | /********************************************************************************* |
| 893 | * Print Handle functions for the management frame types |
| 894 | *********************************************************************************/ |
| 895 | |
| 896 | static int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 897 | handle_beacon(const u_char *p, u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 898 | { |
| 899 | struct mgmt_body_t pbody; |
| 900 | int offset = 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 901 | int ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 902 | |
| 903 | memset(&pbody, 0, sizeof(pbody)); |
| 904 | |
| 905 | if (!TTEST2(*p, IEEE802_11_TSTAMP_LEN + IEEE802_11_BCNINT_LEN + |
| 906 | IEEE802_11_CAPINFO_LEN)) |
| 907 | return 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 908 | if (length < IEEE802_11_TSTAMP_LEN + IEEE802_11_BCNINT_LEN + |
| 909 | IEEE802_11_CAPINFO_LEN) |
| 910 | return 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 911 | memcpy(&pbody.timestamp, p, IEEE802_11_TSTAMP_LEN); |
| 912 | offset += IEEE802_11_TSTAMP_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 913 | length -= IEEE802_11_TSTAMP_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 914 | pbody.beacon_interval = EXTRACT_LE_16BITS(p+offset); |
| 915 | offset += IEEE802_11_BCNINT_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 916 | length -= IEEE802_11_BCNINT_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 917 | pbody.capability_info = EXTRACT_LE_16BITS(p+offset); |
| 918 | offset += IEEE802_11_CAPINFO_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 919 | length -= IEEE802_11_CAPINFO_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 920 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 921 | ret = parse_elements(&pbody, p, offset, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 922 | |
| 923 | PRINT_SSID(pbody); |
| 924 | PRINT_RATES(pbody); |
| 925 | printf(" %s", |
| 926 | CAPABILITY_ESS(pbody.capability_info) ? "ESS" : "IBSS"); |
| 927 | PRINT_DS_CHANNEL(pbody); |
| 928 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 929 | return ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 930 | } |
| 931 | |
| 932 | static int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 933 | handle_assoc_request(const u_char *p, u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 934 | { |
| 935 | struct mgmt_body_t pbody; |
| 936 | int offset = 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 937 | int ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 938 | |
| 939 | memset(&pbody, 0, sizeof(pbody)); |
| 940 | |
| 941 | if (!TTEST2(*p, IEEE802_11_CAPINFO_LEN + IEEE802_11_LISTENINT_LEN)) |
| 942 | return 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 943 | if (length < IEEE802_11_CAPINFO_LEN + IEEE802_11_LISTENINT_LEN) |
| 944 | return 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 945 | pbody.capability_info = EXTRACT_LE_16BITS(p); |
| 946 | offset += IEEE802_11_CAPINFO_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 947 | length -= IEEE802_11_CAPINFO_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 948 | pbody.listen_interval = EXTRACT_LE_16BITS(p+offset); |
| 949 | offset += IEEE802_11_LISTENINT_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 950 | length -= IEEE802_11_LISTENINT_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 951 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 952 | ret = parse_elements(&pbody, p, offset, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 953 | |
| 954 | PRINT_SSID(pbody); |
| 955 | PRINT_RATES(pbody); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 956 | return ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 957 | } |
| 958 | |
| 959 | static int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 960 | handle_assoc_response(const u_char *p, u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 961 | { |
| 962 | struct mgmt_body_t pbody; |
| 963 | int offset = 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 964 | int ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 965 | |
| 966 | memset(&pbody, 0, sizeof(pbody)); |
| 967 | |
| 968 | if (!TTEST2(*p, IEEE802_11_CAPINFO_LEN + IEEE802_11_STATUS_LEN + |
| 969 | IEEE802_11_AID_LEN)) |
| 970 | return 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 971 | if (length < IEEE802_11_CAPINFO_LEN + IEEE802_11_STATUS_LEN + |
| 972 | IEEE802_11_AID_LEN) |
| 973 | return 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 974 | pbody.capability_info = EXTRACT_LE_16BITS(p); |
| 975 | offset += IEEE802_11_CAPINFO_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 976 | length -= IEEE802_11_CAPINFO_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 977 | pbody.status_code = EXTRACT_LE_16BITS(p+offset); |
| 978 | offset += IEEE802_11_STATUS_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 979 | length -= IEEE802_11_STATUS_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 980 | pbody.aid = EXTRACT_LE_16BITS(p+offset); |
| 981 | offset += IEEE802_11_AID_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 982 | length -= IEEE802_11_AID_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 983 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 984 | ret = parse_elements(&pbody, p, offset, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 985 | |
| 986 | printf(" AID(%x) :%s: %s", ((u_int16_t)(pbody.aid << 2 )) >> 2 , |
| 987 | CAPABILITY_PRIVACY(pbody.capability_info) ? " PRIVACY " : "", |
| 988 | (pbody.status_code < NUM_STATUSES |
| 989 | ? status_text[pbody.status_code] |
| 990 | : "n/a")); |
| 991 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 992 | return ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 993 | } |
| 994 | |
| 995 | static int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 996 | handle_reassoc_request(const u_char *p, u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 997 | { |
| 998 | struct mgmt_body_t pbody; |
| 999 | int offset = 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1000 | int ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1001 | |
| 1002 | memset(&pbody, 0, sizeof(pbody)); |
| 1003 | |
| 1004 | if (!TTEST2(*p, IEEE802_11_CAPINFO_LEN + IEEE802_11_LISTENINT_LEN + |
| 1005 | IEEE802_11_AP_LEN)) |
| 1006 | return 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1007 | if (length < IEEE802_11_CAPINFO_LEN + IEEE802_11_LISTENINT_LEN + |
| 1008 | IEEE802_11_AP_LEN) |
| 1009 | return 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1010 | pbody.capability_info = EXTRACT_LE_16BITS(p); |
| 1011 | offset += IEEE802_11_CAPINFO_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1012 | length -= IEEE802_11_CAPINFO_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1013 | pbody.listen_interval = EXTRACT_LE_16BITS(p+offset); |
| 1014 | offset += IEEE802_11_LISTENINT_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1015 | length -= IEEE802_11_LISTENINT_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1016 | memcpy(&pbody.ap, p+offset, IEEE802_11_AP_LEN); |
| 1017 | offset += IEEE802_11_AP_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1018 | length -= IEEE802_11_AP_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1019 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1020 | ret = parse_elements(&pbody, p, offset, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1021 | |
| 1022 | PRINT_SSID(pbody); |
| 1023 | printf(" AP : %s", etheraddr_string( pbody.ap )); |
| 1024 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1025 | return ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1026 | } |
| 1027 | |
| 1028 | static int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1029 | handle_reassoc_response(const u_char *p, u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1030 | { |
| 1031 | /* Same as a Association Reponse */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1032 | return handle_assoc_response(p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1033 | } |
| 1034 | |
| 1035 | static int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1036 | handle_probe_request(const u_char *p, u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1037 | { |
| 1038 | struct mgmt_body_t pbody; |
| 1039 | int offset = 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1040 | int ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1041 | |
| 1042 | memset(&pbody, 0, sizeof(pbody)); |
| 1043 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1044 | ret = parse_elements(&pbody, p, offset, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1045 | |
| 1046 | PRINT_SSID(pbody); |
| 1047 | PRINT_RATES(pbody); |
| 1048 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1049 | return ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1050 | } |
| 1051 | |
| 1052 | static int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1053 | handle_probe_response(const u_char *p, u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1054 | { |
| 1055 | struct mgmt_body_t pbody; |
| 1056 | int offset = 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1057 | int ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1058 | |
| 1059 | memset(&pbody, 0, sizeof(pbody)); |
| 1060 | |
| 1061 | if (!TTEST2(*p, IEEE802_11_TSTAMP_LEN + IEEE802_11_BCNINT_LEN + |
| 1062 | IEEE802_11_CAPINFO_LEN)) |
| 1063 | return 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1064 | if (length < IEEE802_11_TSTAMP_LEN + IEEE802_11_BCNINT_LEN + |
| 1065 | IEEE802_11_CAPINFO_LEN) |
| 1066 | return 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1067 | memcpy(&pbody.timestamp, p, IEEE802_11_TSTAMP_LEN); |
| 1068 | offset += IEEE802_11_TSTAMP_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1069 | length -= IEEE802_11_TSTAMP_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1070 | pbody.beacon_interval = EXTRACT_LE_16BITS(p+offset); |
| 1071 | offset += IEEE802_11_BCNINT_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1072 | length -= IEEE802_11_BCNINT_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1073 | pbody.capability_info = EXTRACT_LE_16BITS(p+offset); |
| 1074 | offset += IEEE802_11_CAPINFO_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1075 | length -= IEEE802_11_CAPINFO_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1076 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1077 | ret = parse_elements(&pbody, p, offset, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1078 | |
| 1079 | PRINT_SSID(pbody); |
| 1080 | PRINT_RATES(pbody); |
| 1081 | PRINT_DS_CHANNEL(pbody); |
| 1082 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1083 | return ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1084 | } |
| 1085 | |
| 1086 | static int |
| 1087 | handle_atim(void) |
| 1088 | { |
| 1089 | /* the frame body for ATIM is null. */ |
| 1090 | return 1; |
| 1091 | } |
| 1092 | |
| 1093 | static int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1094 | handle_disassoc(const u_char *p, u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1095 | { |
| 1096 | struct mgmt_body_t pbody; |
| 1097 | |
| 1098 | memset(&pbody, 0, sizeof(pbody)); |
| 1099 | |
| 1100 | if (!TTEST2(*p, IEEE802_11_REASON_LEN)) |
| 1101 | return 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1102 | if (length < IEEE802_11_REASON_LEN) |
| 1103 | return 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1104 | pbody.reason_code = EXTRACT_LE_16BITS(p); |
| 1105 | |
| 1106 | printf(": %s", |
| 1107 | (pbody.reason_code < NUM_REASONS) |
| 1108 | ? reason_text[pbody.reason_code] |
| 1109 | : "Reserved" ); |
| 1110 | |
| 1111 | return 1; |
| 1112 | } |
| 1113 | |
| 1114 | static int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1115 | handle_auth(const u_char *p, u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1116 | { |
| 1117 | struct mgmt_body_t pbody; |
| 1118 | int offset = 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1119 | int ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1120 | |
| 1121 | memset(&pbody, 0, sizeof(pbody)); |
| 1122 | |
| 1123 | if (!TTEST2(*p, 6)) |
| 1124 | return 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1125 | if (length < 6) |
| 1126 | return 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1127 | pbody.auth_alg = EXTRACT_LE_16BITS(p); |
| 1128 | offset += 2; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1129 | length -= 2; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1130 | pbody.auth_trans_seq_num = EXTRACT_LE_16BITS(p + offset); |
| 1131 | offset += 2; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1132 | length -= 2; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1133 | pbody.status_code = EXTRACT_LE_16BITS(p + offset); |
| 1134 | offset += 2; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1135 | length -= 2; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1136 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1137 | ret = parse_elements(&pbody, p, offset, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1138 | |
| 1139 | if ((pbody.auth_alg == 1) && |
| 1140 | ((pbody.auth_trans_seq_num == 2) || |
| 1141 | (pbody.auth_trans_seq_num == 3))) { |
| 1142 | printf(" (%s)-%x [Challenge Text] %s", |
| 1143 | (pbody.auth_alg < NUM_AUTH_ALGS) |
| 1144 | ? auth_alg_text[pbody.auth_alg] |
| 1145 | : "Reserved", |
| 1146 | pbody.auth_trans_seq_num, |
| 1147 | ((pbody.auth_trans_seq_num % 2) |
| 1148 | ? ((pbody.status_code < NUM_STATUSES) |
| 1149 | ? status_text[pbody.status_code] |
| 1150 | : "n/a") : "")); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1151 | return ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1152 | } |
| 1153 | printf(" (%s)-%x: %s", |
| 1154 | (pbody.auth_alg < NUM_AUTH_ALGS) |
| 1155 | ? auth_alg_text[pbody.auth_alg] |
| 1156 | : "Reserved", |
| 1157 | pbody.auth_trans_seq_num, |
| 1158 | (pbody.auth_trans_seq_num % 2) |
| 1159 | ? ((pbody.status_code < NUM_STATUSES) |
| 1160 | ? status_text[pbody.status_code] |
| 1161 | : "n/a") |
| 1162 | : ""); |
| 1163 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1164 | return ret; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1165 | } |
| 1166 | |
| 1167 | static int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1168 | handle_deauth(const struct mgmt_header_t *pmh, const u_char *p, u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1169 | { |
| 1170 | struct mgmt_body_t pbody; |
| 1171 | int offset = 0; |
| 1172 | const char *reason = NULL; |
| 1173 | |
| 1174 | memset(&pbody, 0, sizeof(pbody)); |
| 1175 | |
| 1176 | if (!TTEST2(*p, IEEE802_11_REASON_LEN)) |
| 1177 | return 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1178 | if (length < IEEE802_11_REASON_LEN) |
| 1179 | return 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1180 | pbody.reason_code = EXTRACT_LE_16BITS(p); |
| 1181 | offset += IEEE802_11_REASON_LEN; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1182 | length -= IEEE802_11_REASON_LEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1183 | |
| 1184 | reason = (pbody.reason_code < NUM_REASONS) |
| 1185 | ? reason_text[pbody.reason_code] |
| 1186 | : "Reserved"; |
| 1187 | |
| 1188 | if (eflag) { |
| 1189 | printf(": %s", reason); |
| 1190 | } else { |
| 1191 | printf(" (%s): %s", etheraddr_string(pmh->sa), reason); |
| 1192 | } |
| 1193 | return 1; |
| 1194 | } |
| 1195 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1196 | #define PRINT_HT_ACTION(v) (\ |
| 1197 | (v) == 0 ? printf("TxChWidth") : \ |
| 1198 | (v) == 1 ? printf("MIMOPwrSave") : \ |
| 1199 | printf("Act#%d", (v)) \ |
| 1200 | ) |
| 1201 | #define PRINT_BA_ACTION(v) (\ |
| 1202 | (v) == 0 ? printf("ADDBA Request") : \ |
| 1203 | (v) == 1 ? printf("ADDBA Response") : \ |
| 1204 | (v) == 2 ? printf("DELBA") : \ |
| 1205 | printf("Act#%d", (v)) \ |
| 1206 | ) |
| 1207 | #define PRINT_MESHLINK_ACTION(v) (\ |
| 1208 | (v) == 0 ? printf("Request") : \ |
| 1209 | (v) == 1 ? printf("Report") : \ |
| 1210 | printf("Act#%d", (v)) \ |
| 1211 | ) |
| 1212 | #define PRINT_MESHPEERING_ACTION(v) (\ |
| 1213 | (v) == 0 ? printf("Open") : \ |
| 1214 | (v) == 1 ? printf("Confirm") : \ |
| 1215 | (v) == 2 ? printf("Close") : \ |
| 1216 | printf("Act#%d", (v)) \ |
| 1217 | ) |
| 1218 | #define PRINT_MESHPATH_ACTION(v) (\ |
| 1219 | (v) == 0 ? printf("Request") : \ |
| 1220 | (v) == 1 ? printf("Report") : \ |
| 1221 | (v) == 2 ? printf("Error") : \ |
| 1222 | (v) == 3 ? printf("RootAnnouncement") : \ |
| 1223 | printf("Act#%d", (v)) \ |
| 1224 | ) |
| 1225 | |
| 1226 | #define PRINT_MESH_ACTION(v) (\ |
| 1227 | (v) == 0 ? printf("MeshLink") : \ |
| 1228 | (v) == 1 ? printf("HWMP") : \ |
| 1229 | (v) == 2 ? printf("Gate Announcement") : \ |
| 1230 | (v) == 3 ? printf("Congestion Control") : \ |
| 1231 | (v) == 4 ? printf("MCCA Setup Request") : \ |
| 1232 | (v) == 5 ? printf("MCCA Setup Reply") : \ |
| 1233 | (v) == 6 ? printf("MCCA Advertisement Request") : \ |
| 1234 | (v) == 7 ? printf("MCCA Advertisement") : \ |
| 1235 | (v) == 8 ? printf("MCCA Teardown") : \ |
| 1236 | (v) == 9 ? printf("TBTT Adjustment Request") : \ |
| 1237 | (v) == 10 ? printf("TBTT Adjustment Response") : \ |
| 1238 | printf("Act#%d", (v)) \ |
| 1239 | ) |
| 1240 | #define PRINT_MULTIHOP_ACTION(v) (\ |
| 1241 | (v) == 0 ? printf("Proxy Update") : \ |
| 1242 | (v) == 1 ? printf("Proxy Update Confirmation") : \ |
| 1243 | printf("Act#%d", (v)) \ |
| 1244 | ) |
| 1245 | #define PRINT_SELFPROT_ACTION(v) (\ |
| 1246 | (v) == 1 ? printf("Peering Open") : \ |
| 1247 | (v) == 2 ? printf("Peering Confirm") : \ |
| 1248 | (v) == 3 ? printf("Peering Close") : \ |
| 1249 | (v) == 4 ? printf("Group Key Inform") : \ |
| 1250 | (v) == 5 ? printf("Group Key Acknowledge") : \ |
| 1251 | printf("Act#%d", (v)) \ |
| 1252 | ) |
| 1253 | |
| 1254 | static int |
| 1255 | handle_action(const struct mgmt_header_t *pmh, const u_char *p, u_int length) |
| 1256 | { |
| 1257 | if (!TTEST2(*p, 2)) |
| 1258 | return 0; |
| 1259 | if (length < 2) |
| 1260 | return 0; |
| 1261 | if (eflag) { |
| 1262 | printf(": "); |
| 1263 | } else { |
| 1264 | printf(" (%s): ", etheraddr_string(pmh->sa)); |
| 1265 | } |
| 1266 | switch (p[0]) { |
| 1267 | case 0: printf("Spectrum Management Act#%d", p[1]); break; |
| 1268 | case 1: printf("QoS Act#%d", p[1]); break; |
| 1269 | case 2: printf("DLS Act#%d", p[1]); break; |
| 1270 | case 3: printf("BA "); PRINT_BA_ACTION(p[1]); break; |
| 1271 | case 7: printf("HT "); PRINT_HT_ACTION(p[1]); break; |
| 1272 | case 13: printf("MeshAction "); PRINT_MESH_ACTION(p[1]); break; |
| 1273 | case 14: |
| 1274 | printf("MultiohopAction "); |
| 1275 | PRINT_MULTIHOP_ACTION(p[1]); break; |
| 1276 | case 15: |
| 1277 | printf("SelfprotectAction "); |
| 1278 | PRINT_SELFPROT_ACTION(p[1]); break; |
| 1279 | case 127: printf("Vendor Act#%d", p[1]); break; |
| 1280 | default: |
| 1281 | printf("Reserved(%d) Act#%d", p[0], p[1]); |
| 1282 | break; |
| 1283 | } |
| 1284 | return 1; |
| 1285 | } |
| 1286 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1287 | |
| 1288 | /********************************************************************************* |
| 1289 | * Print Body funcs |
| 1290 | *********************************************************************************/ |
| 1291 | |
| 1292 | |
| 1293 | static int |
| 1294 | mgmt_body_print(u_int16_t fc, const struct mgmt_header_t *pmh, |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1295 | const u_char *p, u_int length) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1296 | { |
| 1297 | switch (FC_SUBTYPE(fc)) { |
| 1298 | case ST_ASSOC_REQUEST: |
| 1299 | printf("Assoc Request"); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1300 | return handle_assoc_request(p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1301 | case ST_ASSOC_RESPONSE: |
| 1302 | printf("Assoc Response"); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1303 | return handle_assoc_response(p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1304 | case ST_REASSOC_REQUEST: |
| 1305 | printf("ReAssoc Request"); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1306 | return handle_reassoc_request(p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1307 | case ST_REASSOC_RESPONSE: |
| 1308 | printf("ReAssoc Response"); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1309 | return handle_reassoc_response(p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1310 | case ST_PROBE_REQUEST: |
| 1311 | printf("Probe Request"); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1312 | return handle_probe_request(p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1313 | case ST_PROBE_RESPONSE: |
| 1314 | printf("Probe Response"); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1315 | return handle_probe_response(p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1316 | case ST_BEACON: |
| 1317 | printf("Beacon"); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1318 | return handle_beacon(p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1319 | case ST_ATIM: |
| 1320 | printf("ATIM"); |
| 1321 | return handle_atim(); |
| 1322 | case ST_DISASSOC: |
| 1323 | printf("Disassociation"); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1324 | return handle_disassoc(p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1325 | case ST_AUTH: |
| 1326 | printf("Authentication"); |
| 1327 | if (!TTEST2(*p, 3)) |
| 1328 | return 0; |
| 1329 | if ((p[0] == 0 ) && (p[1] == 0) && (p[2] == 0)) { |
| 1330 | printf("Authentication (Shared-Key)-3 "); |
| 1331 | return wep_print(p); |
| 1332 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1333 | return handle_auth(p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1334 | case ST_DEAUTH: |
| 1335 | printf("DeAuthentication"); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1336 | return handle_deauth(pmh, p, length); |
| 1337 | break; |
| 1338 | case ST_ACTION: |
| 1339 | printf("Action"); |
| 1340 | return handle_action(pmh, p, length); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1341 | break; |
| 1342 | default: |
| 1343 | printf("Unhandled Management subtype(%x)", |
| 1344 | FC_SUBTYPE(fc)); |
| 1345 | return 1; |
| 1346 | } |
| 1347 | } |
| 1348 | |
| 1349 | |
| 1350 | /********************************************************************************* |
| 1351 | * Handles printing all the control frame types |
| 1352 | *********************************************************************************/ |
| 1353 | |
| 1354 | static int |
| 1355 | ctrl_body_print(u_int16_t fc, const u_char *p) |
| 1356 | { |
| 1357 | switch (FC_SUBTYPE(fc)) { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1358 | case CTRL_CONTROL_WRAPPER: |
| 1359 | printf("Control Wrapper"); |
| 1360 | /* XXX - requires special handling */ |
| 1361 | break; |
| 1362 | case CTRL_BAR: |
| 1363 | printf("BAR"); |
| 1364 | if (!TTEST2(*p, CTRL_BAR_HDRLEN)) |
| 1365 | return 0; |
| 1366 | if (!eflag) |
| 1367 | printf(" RA:%s TA:%s CTL(%x) SEQ(%u) ", |
| 1368 | etheraddr_string(((const struct ctrl_bar_t *)p)->ra), |
| 1369 | etheraddr_string(((const struct ctrl_bar_t *)p)->ta), |
| 1370 | EXTRACT_LE_16BITS(&(((const struct ctrl_bar_t *)p)->ctl)), |
| 1371 | EXTRACT_LE_16BITS(&(((const struct ctrl_bar_t *)p)->seq))); |
| 1372 | break; |
| 1373 | case CTRL_BA: |
| 1374 | printf("BA"); |
| 1375 | if (!TTEST2(*p, CTRL_BA_HDRLEN)) |
| 1376 | return 0; |
| 1377 | if (!eflag) |
| 1378 | printf(" RA:%s ", |
| 1379 | etheraddr_string(((const struct ctrl_ba_t *)p)->ra)); |
| 1380 | break; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1381 | case CTRL_PS_POLL: |
| 1382 | printf("Power Save-Poll"); |
| 1383 | if (!TTEST2(*p, CTRL_PS_POLL_HDRLEN)) |
| 1384 | return 0; |
| 1385 | printf(" AID(%x)", |
| 1386 | EXTRACT_LE_16BITS(&(((const struct ctrl_ps_poll_t *)p)->aid))); |
| 1387 | break; |
| 1388 | case CTRL_RTS: |
| 1389 | printf("Request-To-Send"); |
| 1390 | if (!TTEST2(*p, CTRL_RTS_HDRLEN)) |
| 1391 | return 0; |
| 1392 | if (!eflag) |
| 1393 | printf(" TA:%s ", |
| 1394 | etheraddr_string(((const struct ctrl_rts_t *)p)->ta)); |
| 1395 | break; |
| 1396 | case CTRL_CTS: |
| 1397 | printf("Clear-To-Send"); |
| 1398 | if (!TTEST2(*p, CTRL_CTS_HDRLEN)) |
| 1399 | return 0; |
| 1400 | if (!eflag) |
| 1401 | printf(" RA:%s ", |
| 1402 | etheraddr_string(((const struct ctrl_cts_t *)p)->ra)); |
| 1403 | break; |
| 1404 | case CTRL_ACK: |
| 1405 | printf("Acknowledgment"); |
| 1406 | if (!TTEST2(*p, CTRL_ACK_HDRLEN)) |
| 1407 | return 0; |
| 1408 | if (!eflag) |
| 1409 | printf(" RA:%s ", |
| 1410 | etheraddr_string(((const struct ctrl_ack_t *)p)->ra)); |
| 1411 | break; |
| 1412 | case CTRL_CF_END: |
| 1413 | printf("CF-End"); |
| 1414 | if (!TTEST2(*p, CTRL_END_HDRLEN)) |
| 1415 | return 0; |
| 1416 | if (!eflag) |
| 1417 | printf(" RA:%s ", |
| 1418 | etheraddr_string(((const struct ctrl_end_t *)p)->ra)); |
| 1419 | break; |
| 1420 | case CTRL_END_ACK: |
| 1421 | printf("CF-End+CF-Ack"); |
| 1422 | if (!TTEST2(*p, CTRL_END_ACK_HDRLEN)) |
| 1423 | return 0; |
| 1424 | if (!eflag) |
| 1425 | printf(" RA:%s ", |
| 1426 | etheraddr_string(((const struct ctrl_end_ack_t *)p)->ra)); |
| 1427 | break; |
| 1428 | default: |
| 1429 | printf("Unknown Ctrl Subtype"); |
| 1430 | } |
| 1431 | return 1; |
| 1432 | } |
| 1433 | |
| 1434 | /* |
| 1435 | * Print Header funcs |
| 1436 | */ |
| 1437 | |
| 1438 | /* |
| 1439 | * Data Frame - Address field contents |
| 1440 | * |
| 1441 | * To Ds | From DS | Addr 1 | Addr 2 | Addr 3 | Addr 4 |
| 1442 | * 0 | 0 | DA | SA | BSSID | n/a |
| 1443 | * 0 | 1 | DA | BSSID | SA | n/a |
| 1444 | * 1 | 0 | BSSID | SA | DA | n/a |
| 1445 | * 1 | 1 | RA | TA | DA | SA |
| 1446 | */ |
| 1447 | |
| 1448 | static void |
| 1449 | data_header_print(u_int16_t fc, const u_char *p, const u_int8_t **srcp, |
| 1450 | const u_int8_t **dstp) |
| 1451 | { |
| 1452 | u_int subtype = FC_SUBTYPE(fc); |
| 1453 | |
| 1454 | if (DATA_FRAME_IS_CF_ACK(subtype) || DATA_FRAME_IS_CF_POLL(subtype) || |
| 1455 | DATA_FRAME_IS_QOS(subtype)) { |
| 1456 | printf("CF "); |
| 1457 | if (DATA_FRAME_IS_CF_ACK(subtype)) { |
| 1458 | if (DATA_FRAME_IS_CF_POLL(subtype)) |
| 1459 | printf("Ack/Poll"); |
| 1460 | else |
| 1461 | printf("Ack"); |
| 1462 | } else { |
| 1463 | if (DATA_FRAME_IS_CF_POLL(subtype)) |
| 1464 | printf("Poll"); |
| 1465 | } |
| 1466 | if (DATA_FRAME_IS_QOS(subtype)) |
| 1467 | printf("+QoS"); |
| 1468 | printf(" "); |
| 1469 | } |
| 1470 | |
| 1471 | #define ADDR1 (p + 4) |
| 1472 | #define ADDR2 (p + 10) |
| 1473 | #define ADDR3 (p + 16) |
| 1474 | #define ADDR4 (p + 24) |
| 1475 | |
| 1476 | if (!FC_TO_DS(fc) && !FC_FROM_DS(fc)) { |
| 1477 | if (srcp != NULL) |
| 1478 | *srcp = ADDR2; |
| 1479 | if (dstp != NULL) |
| 1480 | *dstp = ADDR1; |
| 1481 | if (!eflag) |
| 1482 | return; |
| 1483 | printf("DA:%s SA:%s BSSID:%s ", |
| 1484 | etheraddr_string(ADDR1), etheraddr_string(ADDR2), |
| 1485 | etheraddr_string(ADDR3)); |
| 1486 | } else if (!FC_TO_DS(fc) && FC_FROM_DS(fc)) { |
| 1487 | if (srcp != NULL) |
| 1488 | *srcp = ADDR3; |
| 1489 | if (dstp != NULL) |
| 1490 | *dstp = ADDR1; |
| 1491 | if (!eflag) |
| 1492 | return; |
| 1493 | printf("DA:%s BSSID:%s SA:%s ", |
| 1494 | etheraddr_string(ADDR1), etheraddr_string(ADDR2), |
| 1495 | etheraddr_string(ADDR3)); |
| 1496 | } else if (FC_TO_DS(fc) && !FC_FROM_DS(fc)) { |
| 1497 | if (srcp != NULL) |
| 1498 | *srcp = ADDR2; |
| 1499 | if (dstp != NULL) |
| 1500 | *dstp = ADDR3; |
| 1501 | if (!eflag) |
| 1502 | return; |
| 1503 | printf("BSSID:%s SA:%s DA:%s ", |
| 1504 | etheraddr_string(ADDR1), etheraddr_string(ADDR2), |
| 1505 | etheraddr_string(ADDR3)); |
| 1506 | } else if (FC_TO_DS(fc) && FC_FROM_DS(fc)) { |
| 1507 | if (srcp != NULL) |
| 1508 | *srcp = ADDR4; |
| 1509 | if (dstp != NULL) |
| 1510 | *dstp = ADDR3; |
| 1511 | if (!eflag) |
| 1512 | return; |
| 1513 | printf("RA:%s TA:%s DA:%s SA:%s ", |
| 1514 | etheraddr_string(ADDR1), etheraddr_string(ADDR2), |
| 1515 | etheraddr_string(ADDR3), etheraddr_string(ADDR4)); |
| 1516 | } |
| 1517 | |
| 1518 | #undef ADDR1 |
| 1519 | #undef ADDR2 |
| 1520 | #undef ADDR3 |
| 1521 | #undef ADDR4 |
| 1522 | } |
| 1523 | |
| 1524 | static void |
| 1525 | mgmt_header_print(const u_char *p, const u_int8_t **srcp, |
| 1526 | const u_int8_t **dstp) |
| 1527 | { |
| 1528 | const struct mgmt_header_t *hp = (const struct mgmt_header_t *) p; |
| 1529 | |
| 1530 | if (srcp != NULL) |
| 1531 | *srcp = hp->sa; |
| 1532 | if (dstp != NULL) |
| 1533 | *dstp = hp->da; |
| 1534 | if (!eflag) |
| 1535 | return; |
| 1536 | |
| 1537 | printf("BSSID:%s DA:%s SA:%s ", |
| 1538 | etheraddr_string((hp)->bssid), etheraddr_string((hp)->da), |
| 1539 | etheraddr_string((hp)->sa)); |
| 1540 | } |
| 1541 | |
| 1542 | static void |
| 1543 | ctrl_header_print(u_int16_t fc, const u_char *p, const u_int8_t **srcp, |
| 1544 | const u_int8_t **dstp) |
| 1545 | { |
| 1546 | if (srcp != NULL) |
| 1547 | *srcp = NULL; |
| 1548 | if (dstp != NULL) |
| 1549 | *dstp = NULL; |
| 1550 | if (!eflag) |
| 1551 | return; |
| 1552 | |
| 1553 | switch (FC_SUBTYPE(fc)) { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1554 | case CTRL_BAR: |
| 1555 | printf(" RA:%s TA:%s CTL(%x) SEQ(%u) ", |
| 1556 | etheraddr_string(((const struct ctrl_bar_t *)p)->ra), |
| 1557 | etheraddr_string(((const struct ctrl_bar_t *)p)->ta), |
| 1558 | EXTRACT_LE_16BITS(&(((const struct ctrl_bar_t *)p)->ctl)), |
| 1559 | EXTRACT_LE_16BITS(&(((const struct ctrl_bar_t *)p)->seq))); |
| 1560 | break; |
| 1561 | case CTRL_BA: |
| 1562 | printf("RA:%s ", |
| 1563 | etheraddr_string(((const struct ctrl_ba_t *)p)->ra)); |
| 1564 | break; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1565 | case CTRL_PS_POLL: |
| 1566 | printf("BSSID:%s TA:%s ", |
| 1567 | etheraddr_string(((const struct ctrl_ps_poll_t *)p)->bssid), |
| 1568 | etheraddr_string(((const struct ctrl_ps_poll_t *)p)->ta)); |
| 1569 | break; |
| 1570 | case CTRL_RTS: |
| 1571 | printf("RA:%s TA:%s ", |
| 1572 | etheraddr_string(((const struct ctrl_rts_t *)p)->ra), |
| 1573 | etheraddr_string(((const struct ctrl_rts_t *)p)->ta)); |
| 1574 | break; |
| 1575 | case CTRL_CTS: |
| 1576 | printf("RA:%s ", |
| 1577 | etheraddr_string(((const struct ctrl_cts_t *)p)->ra)); |
| 1578 | break; |
| 1579 | case CTRL_ACK: |
| 1580 | printf("RA:%s ", |
| 1581 | etheraddr_string(((const struct ctrl_ack_t *)p)->ra)); |
| 1582 | break; |
| 1583 | case CTRL_CF_END: |
| 1584 | printf("RA:%s BSSID:%s ", |
| 1585 | etheraddr_string(((const struct ctrl_end_t *)p)->ra), |
| 1586 | etheraddr_string(((const struct ctrl_end_t *)p)->bssid)); |
| 1587 | break; |
| 1588 | case CTRL_END_ACK: |
| 1589 | printf("RA:%s BSSID:%s ", |
| 1590 | etheraddr_string(((const struct ctrl_end_ack_t *)p)->ra), |
| 1591 | etheraddr_string(((const struct ctrl_end_ack_t *)p)->bssid)); |
| 1592 | break; |
| 1593 | default: |
| 1594 | printf("(H) Unknown Ctrl Subtype"); |
| 1595 | break; |
| 1596 | } |
| 1597 | } |
| 1598 | |
| 1599 | static int |
| 1600 | extract_header_length(u_int16_t fc) |
| 1601 | { |
| 1602 | int len; |
| 1603 | |
| 1604 | switch (FC_TYPE(fc)) { |
| 1605 | case T_MGMT: |
| 1606 | return MGMT_HDRLEN; |
| 1607 | case T_CTRL: |
| 1608 | switch (FC_SUBTYPE(fc)) { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1609 | case CTRL_BAR: |
| 1610 | return CTRL_BAR_HDRLEN; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1611 | case CTRL_PS_POLL: |
| 1612 | return CTRL_PS_POLL_HDRLEN; |
| 1613 | case CTRL_RTS: |
| 1614 | return CTRL_RTS_HDRLEN; |
| 1615 | case CTRL_CTS: |
| 1616 | return CTRL_CTS_HDRLEN; |
| 1617 | case CTRL_ACK: |
| 1618 | return CTRL_ACK_HDRLEN; |
| 1619 | case CTRL_CF_END: |
| 1620 | return CTRL_END_HDRLEN; |
| 1621 | case CTRL_END_ACK: |
| 1622 | return CTRL_END_ACK_HDRLEN; |
| 1623 | default: |
| 1624 | return 0; |
| 1625 | } |
| 1626 | case T_DATA: |
| 1627 | len = (FC_TO_DS(fc) && FC_FROM_DS(fc)) ? 30 : 24; |
| 1628 | if (DATA_FRAME_IS_QOS(FC_SUBTYPE(fc))) |
| 1629 | len += 2; |
| 1630 | return len; |
| 1631 | default: |
| 1632 | printf("unknown IEEE802.11 frame type (%d)", FC_TYPE(fc)); |
| 1633 | return 0; |
| 1634 | } |
| 1635 | } |
| 1636 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1637 | static int |
| 1638 | extract_mesh_header_length(const u_char *p) |
| 1639 | { |
| 1640 | return (p[0] &~ 3) ? 0 : 6*(1 + (p[0] & 3)); |
| 1641 | } |
| 1642 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1643 | /* |
| 1644 | * Print the 802.11 MAC header if eflag is set, and set "*srcp" and "*dstp" |
| 1645 | * to point to the source and destination MAC addresses in any case if |
| 1646 | * "srcp" and "dstp" aren't null. |
| 1647 | */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1648 | static void |
| 1649 | ieee_802_11_hdr_print(u_int16_t fc, const u_char *p, u_int hdrlen, |
| 1650 | u_int meshdrlen, const u_int8_t **srcp, const u_int8_t **dstp) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1651 | { |
| 1652 | if (vflag) { |
| 1653 | if (FC_MORE_DATA(fc)) |
| 1654 | printf("More Data "); |
| 1655 | if (FC_MORE_FLAG(fc)) |
| 1656 | printf("More Fragments "); |
| 1657 | if (FC_POWER_MGMT(fc)) |
| 1658 | printf("Pwr Mgmt "); |
| 1659 | if (FC_RETRY(fc)) |
| 1660 | printf("Retry "); |
| 1661 | if (FC_ORDER(fc)) |
| 1662 | printf("Strictly Ordered "); |
| 1663 | if (FC_WEP(fc)) |
| 1664 | printf("WEP Encrypted "); |
| 1665 | if (FC_TYPE(fc) != T_CTRL || FC_SUBTYPE(fc) != CTRL_PS_POLL) |
| 1666 | printf("%dus ", |
| 1667 | EXTRACT_LE_16BITS( |
| 1668 | &((const struct mgmt_header_t *)p)->duration)); |
| 1669 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1670 | if (meshdrlen != 0) { |
| 1671 | const struct meshcntl_t *mc = |
| 1672 | (const struct meshcntl_t *)&p[hdrlen - meshdrlen]; |
| 1673 | int ae = mc->flags & 3; |
| 1674 | |
| 1675 | printf("MeshData (AE %d TTL %u seq %u", ae, mc->ttl, |
| 1676 | EXTRACT_LE_32BITS(mc->seq)); |
| 1677 | if (ae > 0) |
| 1678 | printf(" A4:%s", etheraddr_string(mc->addr4)); |
| 1679 | if (ae > 1) |
| 1680 | printf(" A5:%s", etheraddr_string(mc->addr5)); |
| 1681 | if (ae > 2) |
| 1682 | printf(" A6:%s", etheraddr_string(mc->addr6)); |
| 1683 | printf(") "); |
| 1684 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1685 | |
| 1686 | switch (FC_TYPE(fc)) { |
| 1687 | case T_MGMT: |
| 1688 | mgmt_header_print(p, srcp, dstp); |
| 1689 | break; |
| 1690 | case T_CTRL: |
| 1691 | ctrl_header_print(fc, p, srcp, dstp); |
| 1692 | break; |
| 1693 | case T_DATA: |
| 1694 | data_header_print(fc, p, srcp, dstp); |
| 1695 | break; |
| 1696 | default: |
| 1697 | printf("(header) unknown IEEE802.11 frame type (%d)", |
| 1698 | FC_TYPE(fc)); |
| 1699 | *srcp = NULL; |
| 1700 | *dstp = NULL; |
| 1701 | break; |
| 1702 | } |
| 1703 | } |
| 1704 | |
| 1705 | #ifndef roundup2 |
| 1706 | #define roundup2(x, y) (((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */ |
| 1707 | #endif |
| 1708 | |
| 1709 | static u_int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1710 | ieee802_11_print(const u_char *p, u_int length, u_int orig_caplen, int pad, |
| 1711 | u_int fcslen) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1712 | { |
| 1713 | u_int16_t fc; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1714 | u_int caplen, hdrlen, meshdrlen; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1715 | const u_int8_t *src, *dst; |
| 1716 | u_short extracted_ethertype; |
| 1717 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1718 | caplen = orig_caplen; |
| 1719 | /* Remove FCS, if present */ |
| 1720 | if (length < fcslen) { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1721 | printf("[|802.11]"); |
| 1722 | return caplen; |
| 1723 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1724 | length -= fcslen; |
| 1725 | if (caplen > length) { |
| 1726 | /* Amount of FCS in actual packet data, if any */ |
| 1727 | fcslen = caplen - length; |
| 1728 | caplen -= fcslen; |
| 1729 | snapend -= fcslen; |
| 1730 | } |
| 1731 | |
| 1732 | if (caplen < IEEE802_11_FC_LEN) { |
| 1733 | printf("[|802.11]"); |
| 1734 | return orig_caplen; |
| 1735 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1736 | |
| 1737 | fc = EXTRACT_LE_16BITS(p); |
| 1738 | hdrlen = extract_header_length(fc); |
| 1739 | if (pad) |
| 1740 | hdrlen = roundup2(hdrlen, 4); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1741 | if (Hflag && FC_TYPE(fc) == T_DATA && |
| 1742 | DATA_FRAME_IS_QOS(FC_SUBTYPE(fc))) { |
| 1743 | meshdrlen = extract_mesh_header_length(p+hdrlen); |
| 1744 | hdrlen += meshdrlen; |
| 1745 | } else |
| 1746 | meshdrlen = 0; |
| 1747 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1748 | |
| 1749 | if (caplen < hdrlen) { |
| 1750 | printf("[|802.11]"); |
| 1751 | return hdrlen; |
| 1752 | } |
| 1753 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1754 | ieee_802_11_hdr_print(fc, p, hdrlen, meshdrlen, &src, &dst); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1755 | |
| 1756 | /* |
| 1757 | * Go past the 802.11 header. |
| 1758 | */ |
| 1759 | length -= hdrlen; |
| 1760 | caplen -= hdrlen; |
| 1761 | p += hdrlen; |
| 1762 | |
| 1763 | switch (FC_TYPE(fc)) { |
| 1764 | case T_MGMT: |
| 1765 | if (!mgmt_body_print(fc, |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1766 | (const struct mgmt_header_t *)(p - hdrlen), p, length)) { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1767 | printf("[|802.11]"); |
| 1768 | return hdrlen; |
| 1769 | } |
| 1770 | break; |
| 1771 | case T_CTRL: |
| 1772 | if (!ctrl_body_print(fc, p - hdrlen)) { |
| 1773 | printf("[|802.11]"); |
| 1774 | return hdrlen; |
| 1775 | } |
| 1776 | break; |
| 1777 | case T_DATA: |
| 1778 | if (DATA_FRAME_IS_NULL(FC_SUBTYPE(fc))) |
| 1779 | return hdrlen; /* no-data frame */ |
| 1780 | /* There may be a problem w/ AP not having this bit set */ |
| 1781 | if (FC_WEP(fc)) { |
| 1782 | if (!wep_print(p)) { |
| 1783 | printf("[|802.11]"); |
| 1784 | return hdrlen; |
| 1785 | } |
| 1786 | } else if (llc_print(p, length, caplen, dst, src, |
| 1787 | &extracted_ethertype) == 0) { |
| 1788 | /* |
| 1789 | * Some kinds of LLC packet we cannot |
| 1790 | * handle intelligently |
| 1791 | */ |
| 1792 | if (!eflag) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1793 | ieee_802_11_hdr_print(fc, p - hdrlen, hdrlen, |
| 1794 | meshdrlen, NULL, NULL); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1795 | if (extracted_ethertype) |
| 1796 | printf("(LLC %s) ", |
| 1797 | etherproto_string( |
| 1798 | htons(extracted_ethertype))); |
| 1799 | if (!suppress_default_print) |
| 1800 | default_print(p, caplen); |
| 1801 | } |
| 1802 | break; |
| 1803 | default: |
| 1804 | printf("unknown 802.11 frame type (%d)", FC_TYPE(fc)); |
| 1805 | break; |
| 1806 | } |
| 1807 | |
| 1808 | return hdrlen; |
| 1809 | } |
| 1810 | |
| 1811 | /* |
| 1812 | * This is the top level routine of the printer. 'p' points |
| 1813 | * to the 802.11 header of the packet, 'h->ts' is the timestamp, |
| 1814 | * 'h->len' is the length of the packet off the wire, and 'h->caplen' |
| 1815 | * is the number of bytes actually captured. |
| 1816 | */ |
| 1817 | u_int |
| 1818 | ieee802_11_if_print(const struct pcap_pkthdr *h, const u_char *p) |
| 1819 | { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1820 | return ieee802_11_print(p, h->len, h->caplen, 0, 0); |
| 1821 | } |
| 1822 | |
| 1823 | #define IEEE80211_CHAN_FHSS \ |
| 1824 | (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK) |
| 1825 | #define IEEE80211_CHAN_A \ |
| 1826 | (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM) |
| 1827 | #define IEEE80211_CHAN_B \ |
| 1828 | (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK) |
| 1829 | #define IEEE80211_CHAN_PUREG \ |
| 1830 | (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM) |
| 1831 | #define IEEE80211_CHAN_G \ |
| 1832 | (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN) |
| 1833 | |
| 1834 | #define IS_CHAN_FHSS(flags) \ |
| 1835 | ((flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS) |
| 1836 | #define IS_CHAN_A(flags) \ |
| 1837 | ((flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A) |
| 1838 | #define IS_CHAN_B(flags) \ |
| 1839 | ((flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B) |
| 1840 | #define IS_CHAN_PUREG(flags) \ |
| 1841 | ((flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG) |
| 1842 | #define IS_CHAN_G(flags) \ |
| 1843 | ((flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G) |
| 1844 | #define IS_CHAN_ANYG(flags) \ |
| 1845 | (IS_CHAN_PUREG(flags) || IS_CHAN_G(flags)) |
| 1846 | |
| 1847 | static void |
| 1848 | print_chaninfo(int freq, int flags) |
| 1849 | { |
| 1850 | printf("%u MHz", freq); |
| 1851 | if (IS_CHAN_FHSS(flags)) |
| 1852 | printf(" FHSS"); |
| 1853 | if (IS_CHAN_A(flags)) { |
| 1854 | if (flags & IEEE80211_CHAN_HALF) |
| 1855 | printf(" 11a/10Mhz"); |
| 1856 | else if (flags & IEEE80211_CHAN_QUARTER) |
| 1857 | printf(" 11a/5Mhz"); |
| 1858 | else |
| 1859 | printf(" 11a"); |
| 1860 | } |
| 1861 | if (IS_CHAN_ANYG(flags)) { |
| 1862 | if (flags & IEEE80211_CHAN_HALF) |
| 1863 | printf(" 11g/10Mhz"); |
| 1864 | else if (flags & IEEE80211_CHAN_QUARTER) |
| 1865 | printf(" 11g/5Mhz"); |
| 1866 | else |
| 1867 | printf(" 11g"); |
| 1868 | } else if (IS_CHAN_B(flags)) |
| 1869 | printf(" 11b"); |
| 1870 | if (flags & IEEE80211_CHAN_TURBO) |
| 1871 | printf(" Turbo"); |
| 1872 | if (flags & IEEE80211_CHAN_HT20) |
| 1873 | printf(" ht/20"); |
| 1874 | else if (flags & IEEE80211_CHAN_HT40D) |
| 1875 | printf(" ht/40-"); |
| 1876 | else if (flags & IEEE80211_CHAN_HT40U) |
| 1877 | printf(" ht/40+"); |
| 1878 | printf(" "); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1879 | } |
| 1880 | |
| 1881 | static int |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1882 | print_radiotap_field(struct cpack_state *s, u_int32_t bit, u_int8_t *flags, |
| 1883 | struct radiotap_state *state, u_int32_t presentflags) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1884 | { |
| 1885 | union { |
| 1886 | int8_t i8; |
| 1887 | u_int8_t u8; |
| 1888 | int16_t i16; |
| 1889 | u_int16_t u16; |
| 1890 | u_int32_t u32; |
| 1891 | u_int64_t u64; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1892 | } u, u2, u3, u4; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1893 | int rc; |
| 1894 | |
| 1895 | switch (bit) { |
| 1896 | case IEEE80211_RADIOTAP_FLAGS: |
| 1897 | rc = cpack_uint8(s, &u.u8); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1898 | if (rc != 0) |
| 1899 | break; |
| 1900 | *flags = u.u8; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1901 | break; |
| 1902 | case IEEE80211_RADIOTAP_RATE: |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1903 | rc = cpack_uint8(s, &u.u8); |
| 1904 | if (rc != 0) |
| 1905 | break; |
| 1906 | |
| 1907 | /* Save state rate */ |
| 1908 | state->rate = u.u8; |
| 1909 | break; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1910 | case IEEE80211_RADIOTAP_DB_ANTSIGNAL: |
| 1911 | case IEEE80211_RADIOTAP_DB_ANTNOISE: |
| 1912 | case IEEE80211_RADIOTAP_ANTENNA: |
| 1913 | rc = cpack_uint8(s, &u.u8); |
| 1914 | break; |
| 1915 | case IEEE80211_RADIOTAP_DBM_ANTSIGNAL: |
| 1916 | case IEEE80211_RADIOTAP_DBM_ANTNOISE: |
| 1917 | rc = cpack_int8(s, &u.i8); |
| 1918 | break; |
| 1919 | case IEEE80211_RADIOTAP_CHANNEL: |
| 1920 | rc = cpack_uint16(s, &u.u16); |
| 1921 | if (rc != 0) |
| 1922 | break; |
| 1923 | rc = cpack_uint16(s, &u2.u16); |
| 1924 | break; |
| 1925 | case IEEE80211_RADIOTAP_FHSS: |
| 1926 | case IEEE80211_RADIOTAP_LOCK_QUALITY: |
| 1927 | case IEEE80211_RADIOTAP_TX_ATTENUATION: |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1928 | case IEEE80211_RADIOTAP_RX_FLAGS: |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1929 | rc = cpack_uint16(s, &u.u16); |
| 1930 | break; |
| 1931 | case IEEE80211_RADIOTAP_DB_TX_ATTENUATION: |
| 1932 | rc = cpack_uint8(s, &u.u8); |
| 1933 | break; |
| 1934 | case IEEE80211_RADIOTAP_DBM_TX_POWER: |
| 1935 | rc = cpack_int8(s, &u.i8); |
| 1936 | break; |
| 1937 | case IEEE80211_RADIOTAP_TSFT: |
| 1938 | rc = cpack_uint64(s, &u.u64); |
| 1939 | break; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1940 | case IEEE80211_RADIOTAP_XCHANNEL: |
| 1941 | rc = cpack_uint32(s, &u.u32); |
| 1942 | if (rc != 0) |
| 1943 | break; |
| 1944 | rc = cpack_uint16(s, &u2.u16); |
| 1945 | if (rc != 0) |
| 1946 | break; |
| 1947 | rc = cpack_uint8(s, &u3.u8); |
| 1948 | if (rc != 0) |
| 1949 | break; |
| 1950 | rc = cpack_uint8(s, &u4.u8); |
| 1951 | break; |
| 1952 | case IEEE80211_RADIOTAP_MCS: |
| 1953 | rc = cpack_uint8(s, &u.u8); |
| 1954 | if (rc != 0) |
| 1955 | break; |
| 1956 | rc = cpack_uint8(s, &u2.u8); |
| 1957 | if (rc != 0) |
| 1958 | break; |
| 1959 | rc = cpack_uint8(s, &u3.u8); |
| 1960 | break; |
| 1961 | case IEEE80211_RADIOTAP_VENDOR_NAMESPACE: { |
| 1962 | u_int8_t vns[3]; |
| 1963 | u_int16_t length; |
| 1964 | u_int8_t subspace; |
| 1965 | |
| 1966 | if ((cpack_align_and_reserve(s, 2)) == NULL) { |
| 1967 | rc = -1; |
| 1968 | break; |
| 1969 | } |
| 1970 | |
| 1971 | rc = cpack_uint8(s, &vns[0]); |
| 1972 | if (rc != 0) |
| 1973 | break; |
| 1974 | rc = cpack_uint8(s, &vns[1]); |
| 1975 | if (rc != 0) |
| 1976 | break; |
| 1977 | rc = cpack_uint8(s, &vns[2]); |
| 1978 | if (rc != 0) |
| 1979 | break; |
| 1980 | rc = cpack_uint8(s, &subspace); |
| 1981 | if (rc != 0) |
| 1982 | break; |
| 1983 | rc = cpack_uint16(s, &length); |
| 1984 | if (rc != 0) |
| 1985 | break; |
| 1986 | |
| 1987 | /* Skip up to length */ |
| 1988 | s->c_next += length; |
| 1989 | break; |
| 1990 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1991 | default: |
| 1992 | /* this bit indicates a field whose |
| 1993 | * size we do not know, so we cannot |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1994 | * proceed. Just print the bit number. |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1995 | */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1996 | printf("[bit %u] ", bit); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1997 | return -1; |
| 1998 | } |
| 1999 | |
| 2000 | if (rc != 0) { |
| 2001 | printf("[|802.11]"); |
| 2002 | return rc; |
| 2003 | } |
| 2004 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2005 | /* Preserve the state present flags */ |
| 2006 | state->present = presentflags; |
| 2007 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2008 | switch (bit) { |
| 2009 | case IEEE80211_RADIOTAP_CHANNEL: |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2010 | /* |
| 2011 | * If CHANNEL and XCHANNEL are both present, skip |
| 2012 | * CHANNEL. |
| 2013 | */ |
| 2014 | if (presentflags & (1 << IEEE80211_RADIOTAP_XCHANNEL)) |
| 2015 | break; |
| 2016 | print_chaninfo(u.u16, u2.u16); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2017 | break; |
| 2018 | case IEEE80211_RADIOTAP_FHSS: |
| 2019 | printf("fhset %d fhpat %d ", u.u16 & 0xff, (u.u16 >> 8) & 0xff); |
| 2020 | break; |
| 2021 | case IEEE80211_RADIOTAP_RATE: |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2022 | /* |
| 2023 | * XXX On FreeBSD rate & 0x80 means we have an MCS. On |
| 2024 | * Linux and AirPcap it does not. (What about |
| 2025 | * Mac OS X, NetBSD, OpenBSD, and DragonFly BSD?) |
| 2026 | * |
| 2027 | * This is an issue either for proprietary extensions |
| 2028 | * to 11a or 11g, which do exist, or for 11n |
| 2029 | * implementations that stuff a rate value into |
| 2030 | * this field, which also appear to exist. |
| 2031 | * |
| 2032 | * We currently handle that by assuming that |
| 2033 | * if the 0x80 bit is set *and* the remaining |
| 2034 | * bits have a value between 0 and 15 it's |
| 2035 | * an MCS value, otherwise it's a rate. If |
| 2036 | * there are cases where systems that use |
| 2037 | * "0x80 + MCS index" for MCS indices > 15, |
| 2038 | * or stuff a rate value here between 64 and |
| 2039 | * 71.5 Mb/s in here, we'll need a preference |
| 2040 | * setting. Such rates do exist, e.g. 11n |
| 2041 | * MCS 7 at 20 MHz with a long guard interval. |
| 2042 | */ |
| 2043 | if (u.u8 >= 0x80 && u.u8 <= 0x8f) { |
| 2044 | /* |
| 2045 | * XXX - we don't know the channel width |
| 2046 | * or guard interval length, so we can't |
| 2047 | * convert this to a data rate. |
| 2048 | * |
| 2049 | * If you want us to show a data rate, |
| 2050 | * use the MCS field, not the Rate field; |
| 2051 | * the MCS field includes not only the |
| 2052 | * MCS index, it also includes bandwidth |
| 2053 | * and guard interval information. |
| 2054 | * |
| 2055 | * XXX - can we get the channel width |
| 2056 | * from XChannel and the guard interval |
| 2057 | * information from Flags, at least on |
| 2058 | * FreeBSD? |
| 2059 | */ |
| 2060 | printf("MCS %u ", u.u8 & 0x7f); |
| 2061 | } else |
| 2062 | printf("%2.1f Mb/s ", .5*u.u8); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2063 | break; |
| 2064 | case IEEE80211_RADIOTAP_DBM_ANTSIGNAL: |
| 2065 | printf("%ddB signal ", u.i8); |
| 2066 | break; |
| 2067 | case IEEE80211_RADIOTAP_DBM_ANTNOISE: |
| 2068 | printf("%ddB noise ", u.i8); |
| 2069 | break; |
| 2070 | case IEEE80211_RADIOTAP_DB_ANTSIGNAL: |
| 2071 | printf("%ddB signal ", u.u8); |
| 2072 | break; |
| 2073 | case IEEE80211_RADIOTAP_DB_ANTNOISE: |
| 2074 | printf("%ddB noise ", u.u8); |
| 2075 | break; |
| 2076 | case IEEE80211_RADIOTAP_LOCK_QUALITY: |
| 2077 | printf("%u sq ", u.u16); |
| 2078 | break; |
| 2079 | case IEEE80211_RADIOTAP_TX_ATTENUATION: |
| 2080 | printf("%d tx power ", -(int)u.u16); |
| 2081 | break; |
| 2082 | case IEEE80211_RADIOTAP_DB_TX_ATTENUATION: |
| 2083 | printf("%ddB tx power ", -(int)u.u8); |
| 2084 | break; |
| 2085 | case IEEE80211_RADIOTAP_DBM_TX_POWER: |
| 2086 | printf("%ddBm tx power ", u.i8); |
| 2087 | break; |
| 2088 | case IEEE80211_RADIOTAP_FLAGS: |
| 2089 | if (u.u8 & IEEE80211_RADIOTAP_F_CFP) |
| 2090 | printf("cfp "); |
| 2091 | if (u.u8 & IEEE80211_RADIOTAP_F_SHORTPRE) |
| 2092 | printf("short preamble "); |
| 2093 | if (u.u8 & IEEE80211_RADIOTAP_F_WEP) |
| 2094 | printf("wep "); |
| 2095 | if (u.u8 & IEEE80211_RADIOTAP_F_FRAG) |
| 2096 | printf("fragmented "); |
| 2097 | if (u.u8 & IEEE80211_RADIOTAP_F_BADFCS) |
| 2098 | printf("bad-fcs "); |
| 2099 | break; |
| 2100 | case IEEE80211_RADIOTAP_ANTENNA: |
| 2101 | printf("antenna %d ", u.u8); |
| 2102 | break; |
| 2103 | case IEEE80211_RADIOTAP_TSFT: |
| 2104 | printf("%" PRIu64 "us tsft ", u.u64); |
| 2105 | break; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2106 | case IEEE80211_RADIOTAP_RX_FLAGS: |
| 2107 | /* Do nothing for now */ |
| 2108 | break; |
| 2109 | case IEEE80211_RADIOTAP_XCHANNEL: |
| 2110 | print_chaninfo(u2.u16, u.u32); |
| 2111 | break; |
| 2112 | case IEEE80211_RADIOTAP_MCS: { |
| 2113 | static const char *bandwidth[4] = { |
| 2114 | "20 MHz", |
| 2115 | "40 MHz", |
| 2116 | "20 MHz (L)", |
| 2117 | "20 MHz (U)" |
| 2118 | }; |
| 2119 | float htrate; |
| 2120 | |
| 2121 | if (u.u8 & IEEE80211_RADIOTAP_MCS_MCS_INDEX_KNOWN) { |
| 2122 | /* |
| 2123 | * We know the MCS index. |
| 2124 | */ |
| 2125 | if (u3.u8 <= MAX_MCS_INDEX) { |
| 2126 | /* |
| 2127 | * And it's in-range. |
| 2128 | */ |
| 2129 | if (u.u8 & (IEEE80211_RADIOTAP_MCS_BANDWIDTH_KNOWN|IEEE80211_RADIOTAP_MCS_GUARD_INTERVAL_KNOWN)) { |
| 2130 | /* |
| 2131 | * And we know both the bandwidth and |
| 2132 | * the guard interval, so we can look |
| 2133 | * up the rate. |
| 2134 | */ |
| 2135 | htrate = |
| 2136 | ieee80211_float_htrates \ |
| 2137 | [u3.u8] \ |
| 2138 | [((u2.u8 & IEEE80211_RADIOTAP_MCS_BANDWIDTH_MASK) == IEEE80211_RADIOTAP_MCS_BANDWIDTH_40 ? 1 : 0)] \ |
| 2139 | [((u2.u8 & IEEE80211_RADIOTAP_MCS_SHORT_GI) ? 1 : 0)]; |
| 2140 | } else { |
| 2141 | /* |
| 2142 | * We don't know both the bandwidth |
| 2143 | * and the guard interval, so we can |
| 2144 | * only report the MCS index. |
| 2145 | */ |
| 2146 | htrate = 0.0; |
| 2147 | } |
| 2148 | } else { |
| 2149 | /* |
| 2150 | * The MCS value is out of range. |
| 2151 | */ |
| 2152 | htrate = 0.0; |
| 2153 | } |
| 2154 | if (htrate != 0.0) { |
| 2155 | /* |
| 2156 | * We have the rate. |
| 2157 | * Print it. |
| 2158 | */ |
| 2159 | printf("%.1f Mb/s MCS %u ", htrate, u3.u8); |
| 2160 | } else { |
| 2161 | /* |
| 2162 | * We at least have the MCS index. |
| 2163 | * Print it. |
| 2164 | */ |
| 2165 | printf("MCS %u ", u3.u8); |
| 2166 | } |
| 2167 | } |
| 2168 | if (u.u8 & IEEE80211_RADIOTAP_MCS_BANDWIDTH_KNOWN) { |
| 2169 | printf("%s ", |
| 2170 | bandwidth[u2.u8 & IEEE80211_RADIOTAP_MCS_BANDWIDTH_MASK]); |
| 2171 | } |
| 2172 | if (u.u8 & IEEE80211_RADIOTAP_MCS_GUARD_INTERVAL_KNOWN) { |
| 2173 | printf("%s GI ", |
| 2174 | (u2.u8 & IEEE80211_RADIOTAP_MCS_SHORT_GI) ? |
| 2175 | "short" : "lon"); |
| 2176 | } |
| 2177 | if (u.u8 & IEEE80211_RADIOTAP_MCS_HT_FORMAT_KNOWN) { |
| 2178 | printf("%s ", |
| 2179 | (u2.u8 & IEEE80211_RADIOTAP_MCS_HT_GREENFIELD) ? |
| 2180 | "greenfield" : "mixed"); |
| 2181 | } |
| 2182 | if (u.u8 & IEEE80211_RADIOTAP_MCS_FEC_TYPE_KNOWN) { |
| 2183 | printf("%s FEC ", |
| 2184 | (u2.u8 & IEEE80211_RADIOTAP_MCS_FEC_LDPC) ? |
| 2185 | "LDPC" : "BCC"); |
| 2186 | } |
| 2187 | if (u.u8 & IEEE80211_RADIOTAP_MCS_STBC_KNOWN) { |
| 2188 | printf("RX-STBC%u ", |
| 2189 | (u2.u8 & IEEE80211_RADIOTAP_MCS_STBC_MASK) >> IEEE80211_RADIOTAP_MCS_STBC_SHIFT); |
| 2190 | } |
| 2191 | |
| 2192 | break; |
| 2193 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2194 | } |
| 2195 | return 0; |
| 2196 | } |
| 2197 | |
| 2198 | static u_int |
| 2199 | ieee802_11_radio_print(const u_char *p, u_int length, u_int caplen) |
| 2200 | { |
| 2201 | #define BITNO_32(x) (((x) >> 16) ? 16 + BITNO_16((x) >> 16) : BITNO_16((x))) |
| 2202 | #define BITNO_16(x) (((x) >> 8) ? 8 + BITNO_8((x) >> 8) : BITNO_8((x))) |
| 2203 | #define BITNO_8(x) (((x) >> 4) ? 4 + BITNO_4((x) >> 4) : BITNO_4((x))) |
| 2204 | #define BITNO_4(x) (((x) >> 2) ? 2 + BITNO_2((x) >> 2) : BITNO_2((x))) |
| 2205 | #define BITNO_2(x) (((x) & 2) ? 1 : 0) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2206 | #define BIT(n) (1U << n) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2207 | #define IS_EXTENDED(__p) \ |
| 2208 | (EXTRACT_LE_32BITS(__p) & BIT(IEEE80211_RADIOTAP_EXT)) != 0 |
| 2209 | |
| 2210 | struct cpack_state cpacker; |
| 2211 | struct ieee80211_radiotap_header *hdr; |
| 2212 | u_int32_t present, next_present; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2213 | u_int32_t presentflags = 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2214 | u_int32_t *presentp, *last_presentp; |
| 2215 | enum ieee80211_radiotap_type bit; |
| 2216 | int bit0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2217 | u_int len; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2218 | u_int8_t flags; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2219 | int pad; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2220 | u_int fcslen; |
| 2221 | struct radiotap_state state; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2222 | |
| 2223 | if (caplen < sizeof(*hdr)) { |
| 2224 | printf("[|802.11]"); |
| 2225 | return caplen; |
| 2226 | } |
| 2227 | |
| 2228 | hdr = (struct ieee80211_radiotap_header *)p; |
| 2229 | |
| 2230 | len = EXTRACT_LE_16BITS(&hdr->it_len); |
| 2231 | |
| 2232 | if (caplen < len) { |
| 2233 | printf("[|802.11]"); |
| 2234 | return caplen; |
| 2235 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2236 | cpack_init(&cpacker, (u_int8_t *)hdr, len); /* align against header start */ |
| 2237 | cpack_advance(&cpacker, sizeof(*hdr)); /* includes the 1st bitmap */ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2238 | for (last_presentp = &hdr->it_present; |
| 2239 | IS_EXTENDED(last_presentp) && |
| 2240 | (u_char*)(last_presentp + 1) <= p + len; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2241 | last_presentp++) |
| 2242 | cpack_advance(&cpacker, sizeof(hdr->it_present)); /* more bitmaps */ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2243 | |
| 2244 | /* are there more bitmap extensions than bytes in header? */ |
| 2245 | if (IS_EXTENDED(last_presentp)) { |
| 2246 | printf("[|802.11]"); |
| 2247 | return caplen; |
| 2248 | } |
| 2249 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2250 | /* Assume no flags */ |
| 2251 | flags = 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2252 | /* Assume no Atheros padding between 802.11 header and body */ |
| 2253 | pad = 0; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2254 | /* Assume no FCS at end of frame */ |
| 2255 | fcslen = 0; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2256 | for (bit0 = 0, presentp = &hdr->it_present; presentp <= last_presentp; |
| 2257 | presentp++, bit0 += 32) { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2258 | presentflags = EXTRACT_LE_32BITS(presentp); |
| 2259 | |
| 2260 | /* Clear state. */ |
| 2261 | memset(&state, 0, sizeof(state)); |
| 2262 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2263 | for (present = EXTRACT_LE_32BITS(presentp); present; |
| 2264 | present = next_present) { |
| 2265 | /* clear the least significant bit that is set */ |
| 2266 | next_present = present & (present - 1); |
| 2267 | |
| 2268 | /* extract the least significant bit that is set */ |
| 2269 | bit = (enum ieee80211_radiotap_type) |
| 2270 | (bit0 + BITNO_32(present ^ next_present)); |
| 2271 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2272 | if (print_radiotap_field(&cpacker, bit, &flags, &state, presentflags) != 0) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2273 | goto out; |
| 2274 | } |
| 2275 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2276 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2277 | out: |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2278 | if (flags & IEEE80211_RADIOTAP_F_DATAPAD) |
| 2279 | pad = 1; /* Atheros padding */ |
| 2280 | if (flags & IEEE80211_RADIOTAP_F_FCS) |
| 2281 | fcslen = 4; /* FCS at end of packet */ |
| 2282 | return len + ieee802_11_print(p + len, length - len, caplen - len, pad, |
| 2283 | fcslen); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2284 | #undef BITNO_32 |
| 2285 | #undef BITNO_16 |
| 2286 | #undef BITNO_8 |
| 2287 | #undef BITNO_4 |
| 2288 | #undef BITNO_2 |
| 2289 | #undef BIT |
| 2290 | } |
| 2291 | |
| 2292 | static u_int |
| 2293 | ieee802_11_avs_radio_print(const u_char *p, u_int length, u_int caplen) |
| 2294 | { |
| 2295 | u_int32_t caphdr_len; |
| 2296 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2297 | if (caplen < 8) { |
| 2298 | printf("[|802.11]"); |
| 2299 | return caplen; |
| 2300 | } |
| 2301 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2302 | caphdr_len = EXTRACT_32BITS(p + 4); |
| 2303 | if (caphdr_len < 8) { |
| 2304 | /* |
| 2305 | * Yow! The capture header length is claimed not |
| 2306 | * to be large enough to include even the version |
| 2307 | * cookie or capture header length! |
| 2308 | */ |
| 2309 | printf("[|802.11]"); |
| 2310 | return caplen; |
| 2311 | } |
| 2312 | |
| 2313 | if (caplen < caphdr_len) { |
| 2314 | printf("[|802.11]"); |
| 2315 | return caplen; |
| 2316 | } |
| 2317 | |
| 2318 | return caphdr_len + ieee802_11_print(p + caphdr_len, |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2319 | length - caphdr_len, caplen - caphdr_len, 0, 0); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2320 | } |
| 2321 | |
| 2322 | #define PRISM_HDR_LEN 144 |
| 2323 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2324 | #define WLANCAP_MAGIC_COOKIE_BASE 0x80211000 |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2325 | #define WLANCAP_MAGIC_COOKIE_V1 0x80211001 |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2326 | #define WLANCAP_MAGIC_COOKIE_V2 0x80211002 |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2327 | |
| 2328 | /* |
| 2329 | * For DLT_PRISM_HEADER; like DLT_IEEE802_11, but with an extra header, |
| 2330 | * containing information such as radio information, which we |
| 2331 | * currently ignore. |
| 2332 | * |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2333 | * If, however, the packet begins with WLANCAP_MAGIC_COOKIE_V1 or |
| 2334 | * WLANCAP_MAGIC_COOKIE_V2, it's really DLT_IEEE802_11_RADIO_AVS |
| 2335 | * (currently, on Linux, there's no ARPHRD_ type for |
| 2336 | * DLT_IEEE802_11_RADIO_AVS, as there is a ARPHRD_IEEE80211_PRISM |
| 2337 | * for DLT_PRISM_HEADER, so ARPHRD_IEEE80211_PRISM is used for |
| 2338 | * the AVS header, and the first 4 bytes of the header are used to |
| 2339 | * indicate whether it's a Prism header or an AVS header). |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2340 | */ |
| 2341 | u_int |
| 2342 | prism_if_print(const struct pcap_pkthdr *h, const u_char *p) |
| 2343 | { |
| 2344 | u_int caplen = h->caplen; |
| 2345 | u_int length = h->len; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2346 | u_int32_t msgcode; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2347 | |
| 2348 | if (caplen < 4) { |
| 2349 | printf("[|802.11]"); |
| 2350 | return caplen; |
| 2351 | } |
| 2352 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2353 | msgcode = EXTRACT_32BITS(p); |
| 2354 | if (msgcode == WLANCAP_MAGIC_COOKIE_V1 || |
| 2355 | msgcode == WLANCAP_MAGIC_COOKIE_V2) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2356 | return ieee802_11_avs_radio_print(p, length, caplen); |
| 2357 | |
| 2358 | if (caplen < PRISM_HDR_LEN) { |
| 2359 | printf("[|802.11]"); |
| 2360 | return caplen; |
| 2361 | } |
| 2362 | |
| 2363 | return PRISM_HDR_LEN + ieee802_11_print(p + PRISM_HDR_LEN, |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2364 | length - PRISM_HDR_LEN, caplen - PRISM_HDR_LEN, 0, 0); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2365 | } |
| 2366 | |
| 2367 | /* |
| 2368 | * For DLT_IEEE802_11_RADIO; like DLT_IEEE802_11, but with an extra |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2369 | * header, containing information such as radio information. |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2370 | */ |
| 2371 | u_int |
| 2372 | ieee802_11_radio_if_print(const struct pcap_pkthdr *h, const u_char *p) |
| 2373 | { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2374 | return ieee802_11_radio_print(p, h->len, h->caplen); |
| 2375 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2376 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2377 | /* |
| 2378 | * For DLT_IEEE802_11_RADIO_AVS; like DLT_IEEE802_11, but with an |
| 2379 | * extra header, containing information such as radio information, |
| 2380 | * which we currently ignore. |
| 2381 | */ |
| 2382 | u_int |
| 2383 | ieee802_11_radio_avs_if_print(const struct pcap_pkthdr *h, const u_char *p) |
| 2384 | { |
| 2385 | return ieee802_11_avs_radio_print(p, h->len, h->caplen); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2386 | } |