The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2003 Bruce M. Simpson <bms@spc.org> |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. All advertising materials mentioning features or use of this software |
| 14 | * must display the following acknowledgement: |
| 15 | * This product includes software developed by Bruce M. Simpson. |
| 16 | * 4. Neither the name of Bruce M. Simpson nor the names of co- |
| 17 | * contributors may be used to endorse or promote products derived |
| 18 | * from this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY Bruce M. Simpson AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Bruce M. Simpson OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #ifndef lint |
| 34 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 35 | "@(#) $Header: /tcpdump/master/tcpdump/print-aodv.c,v 1.11 2004-03-24 00:30:19 guy Exp $ (LBL)"; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 36 | #endif |
| 37 | |
| 38 | #ifdef HAVE_CONFIG_H |
| 39 | #include "config.h" |
| 40 | #endif |
| 41 | |
| 42 | #include <tcpdump-stdinc.h> |
| 43 | |
| 44 | #include <stddef.h> |
| 45 | #include <stdio.h> |
| 46 | #include <ctype.h> |
| 47 | #include <string.h> |
| 48 | |
| 49 | #include "interface.h" |
| 50 | #include "addrtoname.h" |
| 51 | #include "extract.h" /* must come after interface.h */ |
| 52 | |
| 53 | #include "aodv.h" |
| 54 | |
| 55 | static void |
| 56 | aodv_extension(const struct aodv_ext *ep, u_int length) |
| 57 | { |
| 58 | u_int i; |
| 59 | const struct aodv_hello *ah; |
| 60 | |
| 61 | switch (ep->type) { |
| 62 | case AODV_EXT_HELLO: |
| 63 | if (snapend < (u_char *) ep) { |
| 64 | printf(" [|hello]"); |
| 65 | return; |
| 66 | } |
| 67 | i = min(length, (u_int)(snapend - (u_char *)ep)); |
| 68 | if (i < sizeof(struct aodv_hello)) { |
| 69 | printf(" [|hello]"); |
| 70 | return; |
| 71 | } |
| 72 | i -= sizeof(struct aodv_hello); |
| 73 | ah = (void *)ep; |
| 74 | printf("\n\text HELLO %ld ms", |
| 75 | (unsigned long)EXTRACT_32BITS(&ah->interval)); |
| 76 | break; |
| 77 | |
| 78 | default: |
| 79 | printf("\n\text %u %u", ep->type, ep->length); |
| 80 | break; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | static void |
| 85 | aodv_rreq(const union aodv *ap, const u_char *dat, u_int length) |
| 86 | { |
| 87 | u_int i; |
| 88 | |
| 89 | if (snapend < dat) { |
| 90 | printf(" [|aodv]"); |
| 91 | return; |
| 92 | } |
| 93 | i = min(length, (u_int)(snapend - dat)); |
| 94 | if (i < sizeof(ap->rreq)) { |
| 95 | printf(" [|rreq]"); |
| 96 | return; |
| 97 | } |
| 98 | i -= sizeof(ap->rreq); |
| 99 | printf(" rreq %u %s%s%s%s%shops %u id 0x%08lx\n" |
| 100 | "\tdst %s seq %lu src %s seq %lu", length, |
| 101 | ap->rreq.rreq_type & RREQ_JOIN ? "[J]" : "", |
| 102 | ap->rreq.rreq_type & RREQ_REPAIR ? "[R]" : "", |
| 103 | ap->rreq.rreq_type & RREQ_GRAT ? "[G]" : "", |
| 104 | ap->rreq.rreq_type & RREQ_DEST ? "[D]" : "", |
| 105 | ap->rreq.rreq_type & RREQ_UNKNOWN ? "[U] " : " ", |
| 106 | ap->rreq.rreq_hops, |
| 107 | (unsigned long)EXTRACT_32BITS(&ap->rreq.rreq_id), |
| 108 | ipaddr_string(&ap->rreq.rreq_da), |
| 109 | (unsigned long)EXTRACT_32BITS(&ap->rreq.rreq_ds), |
| 110 | ipaddr_string(&ap->rreq.rreq_oa), |
| 111 | (unsigned long)EXTRACT_32BITS(&ap->rreq.rreq_os)); |
| 112 | if (i >= sizeof(struct aodv_ext)) |
| 113 | aodv_extension((void *)(&ap->rreq + 1), i); |
| 114 | } |
| 115 | |
| 116 | static void |
| 117 | aodv_rrep(const union aodv *ap, const u_char *dat, u_int length) |
| 118 | { |
| 119 | u_int i; |
| 120 | |
| 121 | if (snapend < dat) { |
| 122 | printf(" [|aodv]"); |
| 123 | return; |
| 124 | } |
| 125 | i = min(length, (u_int)(snapend - dat)); |
| 126 | if (i < sizeof(ap->rrep)) { |
| 127 | printf(" [|rrep]"); |
| 128 | return; |
| 129 | } |
| 130 | i -= sizeof(ap->rrep); |
| 131 | printf(" rrep %u %s%sprefix %u hops %u\n" |
| 132 | "\tdst %s dseq %lu src %s %lu ms", length, |
| 133 | ap->rrep.rrep_type & RREP_REPAIR ? "[R]" : "", |
| 134 | ap->rrep.rrep_type & RREP_ACK ? "[A] " : " ", |
| 135 | ap->rrep.rrep_ps & RREP_PREFIX_MASK, |
| 136 | ap->rrep.rrep_hops, |
| 137 | ipaddr_string(&ap->rrep.rrep_da), |
| 138 | (unsigned long)EXTRACT_32BITS(&ap->rrep.rrep_ds), |
| 139 | ipaddr_string(&ap->rrep.rrep_oa), |
| 140 | (unsigned long)EXTRACT_32BITS(&ap->rrep.rrep_life)); |
| 141 | if (i >= sizeof(struct aodv_ext)) |
| 142 | aodv_extension((void *)(&ap->rrep + 1), i); |
| 143 | } |
| 144 | |
| 145 | static void |
| 146 | aodv_rerr(const union aodv *ap, const u_char *dat, u_int length) |
| 147 | { |
| 148 | u_int i; |
| 149 | const struct rerr_unreach *dp = NULL; |
| 150 | int n, trunc; |
| 151 | |
| 152 | if (snapend < dat) { |
| 153 | printf(" [|aodv]"); |
| 154 | return; |
| 155 | } |
| 156 | i = min(length, (u_int)(snapend - dat)); |
| 157 | if (i < offsetof(struct aodv_rerr, r)) { |
| 158 | printf(" [|rerr]"); |
| 159 | return; |
| 160 | } |
| 161 | i -= offsetof(struct aodv_rerr, r); |
| 162 | dp = &ap->rerr.r.dest[0]; |
| 163 | n = ap->rerr.rerr_dc * sizeof(ap->rerr.r.dest[0]); |
| 164 | printf(" rerr %s [items %u] [%u]:", |
| 165 | ap->rerr.rerr_flags & RERR_NODELETE ? "[D]" : "", |
| 166 | ap->rerr.rerr_dc, length); |
| 167 | trunc = n - (i/sizeof(ap->rerr.r.dest[0])); |
| 168 | for (; i >= sizeof(ap->rerr.r.dest[0]); |
| 169 | ++dp, i -= sizeof(ap->rerr.r.dest[0])) { |
| 170 | printf(" {%s}(%ld)", ipaddr_string(&dp->u_da), |
| 171 | (unsigned long)EXTRACT_32BITS(&dp->u_ds)); |
| 172 | } |
| 173 | if (trunc) |
| 174 | printf("[|rerr]"); |
| 175 | } |
| 176 | |
| 177 | static void |
| 178 | #ifdef INET6 |
| 179 | aodv_v6_rreq(const union aodv *ap, const u_char *dat, u_int length) |
| 180 | #else |
| 181 | aodv_v6_rreq(const union aodv *ap _U_, const u_char *dat _U_, u_int length) |
| 182 | #endif |
| 183 | { |
| 184 | #ifdef INET6 |
| 185 | u_int i; |
| 186 | |
| 187 | if (snapend < dat) { |
| 188 | printf(" [|aodv]"); |
| 189 | return; |
| 190 | } |
| 191 | i = min(length, (u_int)(snapend - dat)); |
| 192 | if (i < sizeof(ap->rreq6)) { |
| 193 | printf(" [|rreq6]"); |
| 194 | return; |
| 195 | } |
| 196 | i -= sizeof(ap->rreq6); |
| 197 | printf(" v6 rreq %u %s%s%s%s%shops %u id 0x%08lx\n" |
| 198 | "\tdst %s seq %lu src %s seq %lu", length, |
| 199 | ap->rreq6.rreq_type & RREQ_JOIN ? "[J]" : "", |
| 200 | ap->rreq6.rreq_type & RREQ_REPAIR ? "[R]" : "", |
| 201 | ap->rreq6.rreq_type & RREQ_GRAT ? "[G]" : "", |
| 202 | ap->rreq6.rreq_type & RREQ_DEST ? "[D]" : "", |
| 203 | ap->rreq6.rreq_type & RREQ_UNKNOWN ? "[U] " : " ", |
| 204 | ap->rreq6.rreq_hops, |
| 205 | (unsigned long)EXTRACT_32BITS(&ap->rreq6.rreq_id), |
| 206 | ip6addr_string(&ap->rreq6.rreq_da), |
| 207 | (unsigned long)EXTRACT_32BITS(&ap->rreq6.rreq_ds), |
| 208 | ip6addr_string(&ap->rreq6.rreq_oa), |
| 209 | (unsigned long)EXTRACT_32BITS(&ap->rreq6.rreq_os)); |
| 210 | if (i >= sizeof(struct aodv_ext)) |
| 211 | aodv_extension((void *)(&ap->rreq6 + 1), i); |
| 212 | #else |
| 213 | printf(" v6 rreq %u", length); |
| 214 | #endif |
| 215 | } |
| 216 | |
| 217 | static void |
| 218 | #ifdef INET6 |
| 219 | aodv_v6_rrep(const union aodv *ap, const u_char *dat, u_int length) |
| 220 | #else |
| 221 | aodv_v6_rrep(const union aodv *ap _U_, const u_char *dat _U_, u_int length) |
| 222 | #endif |
| 223 | { |
| 224 | #ifdef INET6 |
| 225 | u_int i; |
| 226 | |
| 227 | if (snapend < dat) { |
| 228 | printf(" [|aodv]"); |
| 229 | return; |
| 230 | } |
| 231 | i = min(length, (u_int)(snapend - dat)); |
| 232 | if (i < sizeof(ap->rrep6)) { |
| 233 | printf(" [|rrep6]"); |
| 234 | return; |
| 235 | } |
| 236 | i -= sizeof(ap->rrep6); |
| 237 | printf(" rrep %u %s%sprefix %u hops %u\n" |
| 238 | "\tdst %s dseq %lu src %s %lu ms", length, |
| 239 | ap->rrep6.rrep_type & RREP_REPAIR ? "[R]" : "", |
| 240 | ap->rrep6.rrep_type & RREP_ACK ? "[A] " : " ", |
| 241 | ap->rrep6.rrep_ps & RREP_PREFIX_MASK, |
| 242 | ap->rrep6.rrep_hops, |
| 243 | ip6addr_string(&ap->rrep6.rrep_da), |
| 244 | (unsigned long)EXTRACT_32BITS(&ap->rrep6.rrep_ds), |
| 245 | ip6addr_string(&ap->rrep6.rrep_oa), |
| 246 | (unsigned long)EXTRACT_32BITS(&ap->rrep6.rrep_life)); |
| 247 | if (i >= sizeof(struct aodv_ext)) |
| 248 | aodv_extension((void *)(&ap->rrep6 + 1), i); |
| 249 | #else |
| 250 | printf(" rrep %u", length); |
| 251 | #endif |
| 252 | } |
| 253 | |
| 254 | static void |
| 255 | #ifdef INET6 |
| 256 | aodv_v6_rerr(const union aodv *ap, u_int length) |
| 257 | #else |
| 258 | aodv_v6_rerr(const union aodv *ap _U_, u_int length) |
| 259 | #endif |
| 260 | { |
| 261 | #ifdef INET6 |
| 262 | const struct rerr_unreach6 *dp6 = NULL; |
| 263 | int i, j, n, trunc; |
| 264 | |
| 265 | i = length - offsetof(struct aodv_rerr, r); |
| 266 | j = sizeof(ap->rerr.r.dest6[0]); |
| 267 | dp6 = &ap->rerr.r.dest6[0]; |
| 268 | n = ap->rerr.rerr_dc * j; |
| 269 | printf(" rerr %s [items %u] [%u]:", |
| 270 | ap->rerr.rerr_flags & RERR_NODELETE ? "[D]" : "", |
| 271 | ap->rerr.rerr_dc, length); |
| 272 | trunc = n - (i/j); |
| 273 | for (; i -= j >= 0; ++dp6) { |
| 274 | printf(" {%s}(%ld)", ip6addr_string(&dp6->u_da), |
| 275 | (unsigned long)EXTRACT_32BITS(&dp6->u_ds)); |
| 276 | } |
| 277 | if (trunc) |
| 278 | printf("[|rerr]"); |
| 279 | #else |
| 280 | printf(" rerr %u", length); |
| 281 | #endif |
| 282 | } |
| 283 | |
| 284 | static void |
| 285 | #ifdef INET6 |
| 286 | aodv_v6_draft_01_rreq(const union aodv *ap, const u_char *dat, u_int length) |
| 287 | #else |
| 288 | aodv_v6_draft_01_rreq(const union aodv *ap _U_, const u_char *dat _U_, |
| 289 | u_int length) |
| 290 | #endif |
| 291 | { |
| 292 | #ifdef INET6 |
| 293 | u_int i; |
| 294 | |
| 295 | if (snapend < dat) { |
| 296 | printf(" [|aodv]"); |
| 297 | return; |
| 298 | } |
| 299 | i = min(length, (u_int)(snapend - dat)); |
| 300 | if (i < sizeof(ap->rreq6_draft_01)) { |
| 301 | printf(" [|rreq6]"); |
| 302 | return; |
| 303 | } |
| 304 | i -= sizeof(ap->rreq6_draft_01); |
| 305 | printf(" rreq %u %s%s%s%s%shops %u id 0x%08lx\n" |
| 306 | "\tdst %s seq %lu src %s seq %lu", length, |
| 307 | ap->rreq6_draft_01.rreq_type & RREQ_JOIN ? "[J]" : "", |
| 308 | ap->rreq6_draft_01.rreq_type & RREQ_REPAIR ? "[R]" : "", |
| 309 | ap->rreq6_draft_01.rreq_type & RREQ_GRAT ? "[G]" : "", |
| 310 | ap->rreq6_draft_01.rreq_type & RREQ_DEST ? "[D]" : "", |
| 311 | ap->rreq6_draft_01.rreq_type & RREQ_UNKNOWN ? "[U] " : " ", |
| 312 | ap->rreq6_draft_01.rreq_hops, |
| 313 | (unsigned long)EXTRACT_32BITS(&ap->rreq6_draft_01.rreq_id), |
| 314 | ip6addr_string(&ap->rreq6_draft_01.rreq_da), |
| 315 | (unsigned long)EXTRACT_32BITS(&ap->rreq6_draft_01.rreq_ds), |
| 316 | ip6addr_string(&ap->rreq6_draft_01.rreq_oa), |
| 317 | (unsigned long)EXTRACT_32BITS(&ap->rreq6_draft_01.rreq_os)); |
| 318 | if (i >= sizeof(struct aodv_ext)) |
| 319 | aodv_extension((void *)(&ap->rreq6_draft_01 + 1), i); |
| 320 | #else |
| 321 | printf(" rreq %u", length); |
| 322 | #endif |
| 323 | } |
| 324 | |
| 325 | static void |
| 326 | #ifdef INET6 |
| 327 | aodv_v6_draft_01_rrep(const union aodv *ap, const u_char *dat, u_int length) |
| 328 | #else |
| 329 | aodv_v6_draft_01_rrep(const union aodv *ap _U_, const u_char *dat _U_, |
| 330 | u_int length) |
| 331 | #endif |
| 332 | { |
| 333 | #ifdef INET6 |
| 334 | u_int i; |
| 335 | |
| 336 | if (snapend < dat) { |
| 337 | printf(" [|aodv]"); |
| 338 | return; |
| 339 | } |
| 340 | i = min(length, (u_int)(snapend - dat)); |
| 341 | if (i < sizeof(ap->rrep6_draft_01)) { |
| 342 | printf(" [|rrep6]"); |
| 343 | return; |
| 344 | } |
| 345 | i -= sizeof(ap->rrep6_draft_01); |
| 346 | printf(" rrep %u %s%sprefix %u hops %u\n" |
| 347 | "\tdst %s dseq %lu src %s %lu ms", length, |
| 348 | ap->rrep6_draft_01.rrep_type & RREP_REPAIR ? "[R]" : "", |
| 349 | ap->rrep6_draft_01.rrep_type & RREP_ACK ? "[A] " : " ", |
| 350 | ap->rrep6_draft_01.rrep_ps & RREP_PREFIX_MASK, |
| 351 | ap->rrep6_draft_01.rrep_hops, |
| 352 | ip6addr_string(&ap->rrep6_draft_01.rrep_da), |
| 353 | (unsigned long)EXTRACT_32BITS(&ap->rrep6_draft_01.rrep_ds), |
| 354 | ip6addr_string(&ap->rrep6_draft_01.rrep_oa), |
| 355 | (unsigned long)EXTRACT_32BITS(&ap->rrep6_draft_01.rrep_life)); |
| 356 | if (i >= sizeof(struct aodv_ext)) |
| 357 | aodv_extension((void *)(&ap->rrep6_draft_01 + 1), i); |
| 358 | #else |
| 359 | printf(" rrep %u", length); |
| 360 | #endif |
| 361 | } |
| 362 | |
| 363 | static void |
| 364 | #ifdef INET6 |
| 365 | aodv_v6_draft_01_rerr(const union aodv *ap, u_int length) |
| 366 | #else |
| 367 | aodv_v6_draft_01_rerr(const union aodv *ap _U_, u_int length) |
| 368 | #endif |
| 369 | { |
| 370 | #ifdef INET6 |
| 371 | const struct rerr_unreach6_draft_01 *dp6 = NULL; |
| 372 | int i, j, n, trunc; |
| 373 | |
| 374 | i = length - offsetof(struct aodv_rerr, r); |
| 375 | j = sizeof(ap->rerr.r.dest6_draft_01[0]); |
| 376 | dp6 = &ap->rerr.r.dest6_draft_01[0]; |
| 377 | n = ap->rerr.rerr_dc * j; |
| 378 | printf(" rerr %s [items %u] [%u]:", |
| 379 | ap->rerr.rerr_flags & RERR_NODELETE ? "[D]" : "", |
| 380 | ap->rerr.rerr_dc, length); |
| 381 | trunc = n - (i/j); |
| 382 | for (; i -= j >= 0; ++dp6) { |
| 383 | printf(" {%s}(%ld)", ip6addr_string(&dp6->u_da), |
| 384 | (unsigned long)EXTRACT_32BITS(&dp6->u_ds)); |
| 385 | } |
| 386 | if (trunc) |
| 387 | printf("[|rerr]"); |
| 388 | #else |
| 389 | printf(" rerr %u", length); |
| 390 | #endif |
| 391 | } |
| 392 | |
| 393 | void |
| 394 | aodv_print(const u_char *dat, u_int length, int is_ip6) |
| 395 | { |
| 396 | const union aodv *ap; |
| 397 | |
| 398 | ap = (union aodv *)dat; |
| 399 | if (snapend < dat) { |
| 400 | printf(" [|aodv]"); |
| 401 | return; |
| 402 | } |
| 403 | if (min(length, (u_int)(snapend - dat)) < sizeof(ap->rrep_ack)) { |
| 404 | printf(" [|aodv]"); |
| 405 | return; |
| 406 | } |
| 407 | printf(" aodv"); |
| 408 | |
| 409 | switch (ap->rerr.rerr_type) { |
| 410 | |
| 411 | case AODV_RREQ: |
| 412 | if (is_ip6) |
| 413 | aodv_v6_rreq(ap, dat, length); |
| 414 | else |
| 415 | aodv_rreq(ap, dat, length); |
| 416 | break; |
| 417 | |
| 418 | case AODV_RREP: |
| 419 | if (is_ip6) |
| 420 | aodv_v6_rrep(ap, dat, length); |
| 421 | else |
| 422 | aodv_rrep(ap, dat, length); |
| 423 | break; |
| 424 | |
| 425 | case AODV_RERR: |
| 426 | if (is_ip6) |
| 427 | aodv_v6_rerr(ap, length); |
| 428 | else |
| 429 | aodv_rerr(ap, dat, length); |
| 430 | break; |
| 431 | |
| 432 | case AODV_RREP_ACK: |
| 433 | printf(" rrep-ack %u", length); |
| 434 | break; |
| 435 | |
| 436 | case AODV_V6_DRAFT_01_RREQ: |
| 437 | aodv_v6_draft_01_rreq(ap, dat, length); |
| 438 | break; |
| 439 | |
| 440 | case AODV_V6_DRAFT_01_RREP: |
| 441 | aodv_v6_draft_01_rrep(ap, dat, length); |
| 442 | break; |
| 443 | |
| 444 | case AODV_V6_DRAFT_01_RERR: |
| 445 | aodv_v6_draft_01_rerr(ap, length); |
| 446 | break; |
| 447 | |
| 448 | case AODV_V6_DRAFT_01_RREP_ACK: |
| 449 | printf(" rrep-ack %u", length); |
| 450 | break; |
| 451 | |
| 452 | default: |
| 453 | printf(" %u %u", ap->rreq.rreq_type, length); |
| 454 | } |
| 455 | } |