Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/security/audit/bsm_domain.c
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1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2008 Apple Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of Apple Inc. ("Apple") nor the names of 16 * its contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 27 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 28 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #include <sys/param.h> 36 #include <sys/socket.h> 37 38 #include <security/audit/audit.h> 39 40 #include <bsm/audit_domain.h> 41 #include <bsm/audit_record.h> 42 43 struct bsm_domain { 44 u_short bd_bsm_domain; 45 int bd_local_domain; 46 }; 47 48 #define PF_NO_LOCAL_MAPPING -600 49 50 static const struct bsm_domain bsm_domains[] = { 51 { BSM_PF_UNSPEC, PF_UNSPEC }, 52 { BSM_PF_LOCAL, PF_LOCAL }, 53 { BSM_PF_INET, PF_INET }, 54 { BSM_PF_IMPLINK, 55 #ifdef PF_IMPLINK 56 PF_IMPLINK 57 #else 58 PF_NO_LOCAL_MAPPING 59 #endif 60 }, 61 { BSM_PF_PUP, 62 #ifdef PF_PUP 63 PF_PUP 64 #else 65 PF_NO_LOCAL_MAPPING 66 #endif 67 }, 68 { BSM_PF_CHAOS, 69 #ifdef PF_CHAOS 70 PF_CHAOS 71 #else 72 PF_NO_LOCAL_MAPPING 73 #endif 74 }, 75 { BSM_PF_NS, 76 #ifdef PF_NS 77 PF_NS 78 #else 79 PF_NO_LOCAL_MAPPING 80 #endif 81 }, 82 { BSM_PF_NBS, 83 #ifdef PF_NBS 84 PF_NBS 85 #else 86 PF_NO_LOCAL_MAPPING 87 #endif 88 }, 89 { BSM_PF_ECMA, 90 #ifdef PF_ECMA 91 PF_ECMA 92 #else 93 PF_NO_LOCAL_MAPPING 94 #endif 95 }, 96 { BSM_PF_DATAKIT, 97 #ifdef PF_DATAKIT 98 PF_DATAKIT 99 #else 100 PF_NO_LOCAL_MAPPING 101 #endif 102 }, 103 { BSM_PF_CCITT, 104 #ifdef PF_CCITT 105 PF_CCITT 106 #else 107 PF_NO_LOCAL_MAPPING 108 #endif 109 }, 110 { BSM_PF_SNA, PF_SNA }, 111 { BSM_PF_DECnet, PF_DECnet }, 112 { BSM_PF_DLI, 113 #ifdef PF_DLI 114 PF_DLI 115 #else 116 PF_NO_LOCAL_MAPPING 117 #endif 118 }, 119 { BSM_PF_LAT, 120 #ifdef PF_LAT 121 PF_LAT 122 #else 123 PF_NO_LOCAL_MAPPING 124 #endif 125 }, 126 { BSM_PF_HYLINK, 127 #ifdef PF_HYLINK 128 PF_HYLINK 129 #else 130 PF_NO_LOCAL_MAPPING 131 #endif 132 }, 133 { BSM_PF_APPLETALK, PF_APPLETALK }, 134 { BSM_PF_NIT, 135 #ifdef PF_NIT 136 PF_NIT 137 #else 138 PF_NO_LOCAL_MAPPING 139 #endif 140 }, 141 { BSM_PF_802, 142 #ifdef PF_802 143 PF_802 144 #else 145 PF_NO_LOCAL_MAPPING 146 #endif 147 }, 148 { BSM_PF_OSI, 149 #ifdef PF_OSI 150 PF_OSI 151 #else 152 PF_NO_LOCAL_MAPPING 153 #endif 154 }, 155 { BSM_PF_X25, 156 #ifdef PF_X25 157 PF_X25 158 #else 159 PF_NO_LOCAL_MAPPING 160 #endif 161 }, 162 { BSM_PF_OSINET, 163 #ifdef PF_OSINET 164 PF_OSINET 165 #else 166 PF_NO_LOCAL_MAPPING 167 #endif 168 }, 169 { BSM_PF_GOSIP, 170 #ifdef PF_GOSIP 171 PF_GOSIP 172 #else 173 PF_NO_LOCAL_MAPPING 174 #endif 175 }, 176 { BSM_PF_IPX, PF_IPX }, 177 { BSM_PF_ROUTE, PF_ROUTE }, 178 { BSM_PF_LINK, 179 #ifdef PF_LINK 180 PF_LINK 181 #else 182 PF_NO_LOCAL_MAPPING 183 #endif 184 }, 185 { BSM_PF_INET6, PF_INET6 }, 186 { BSM_PF_KEY, PF_KEY }, 187 { BSM_PF_NCA, 188 #ifdef PF_NCA 189 PF_NCA 190 #else 191 PF_NO_LOCAL_MAPPING 192 #endif 193 }, 194 { BSM_PF_POLICY, 195 #ifdef PF_POLICY 196 PF_POLICY 197 #else 198 PF_NO_LOCAL_MAPPING 199 #endif 200 }, 201 { BSM_PF_INET_OFFLOAD, 202 #ifdef PF_INET_OFFLOAD 203 PF_INET_OFFLOAD 204 #else 205 PF_NO_LOCAL_MAPPING 206 #endif 207 }, 208 { BSM_PF_NETBIOS, 209 #ifdef PF_NETBIOS 210 PF_NETBIOS 211 #else 212 PF_NO_LOCAL_MAPPING 213 #endif 214 }, 215 { BSM_PF_ISO, 216 #ifdef PF_ISO 217 PF_ISO 218 #else 219 PF_NO_LOCAL_MAPPING 220 #endif 221 }, 222 { BSM_PF_XTP, 223 #ifdef PF_XTP 224 PF_XTP 225 #else 226 PF_NO_LOCAL_MAPPING 227 #endif 228 }, 229 { BSM_PF_COIP, 230 #ifdef PF_COIP 231 PF_COIP 232 #else 233 PF_NO_LOCAL_MAPPING 234 #endif 235 }, 236 { BSM_PF_CNT, 237 #ifdef PF_CNT 238 PF_CNT 239 #else 240 PF_NO_LOCAL_MAPPING 241 #endif 242 }, 243 { BSM_PF_RTIP, 244 #ifdef PF_RTIP 245 PF_RTIP 246 #else 247 PF_NO_LOCAL_MAPPING 248 #endif 249 }, 250 { BSM_PF_SIP, 251 #ifdef PF_SIP 252 PF_SIP 253 #else 254 PF_NO_LOCAL_MAPPING 255 #endif 256 }, 257 { BSM_PF_PIP, 258 #ifdef PF_PIP 259 PF_PIP 260 #else 261 PF_NO_LOCAL_MAPPING 262 #endif 263 }, 264 { BSM_PF_ISDN, 265 #ifdef PF_ISDN 266 PF_ISDN 267 #else 268 PF_NO_LOCAL_MAPPING 269 #endif 270 }, 271 { BSM_PF_E164, 272 #ifdef PF_E164 273 PF_E164 274 #else 275 PF_NO_LOCAL_MAPPING 276 #endif 277 }, 278 { BSM_PF_NATM, 279 #ifdef PF_NATM 280 PF_NATM 281 #else 282 PF_NO_LOCAL_MAPPING 283 #endif 284 }, 285 { BSM_PF_ATM, 286 #ifdef PF_ATM 287 PF_ATM 288 #else 289 PF_NO_LOCAL_MAPPING 290 #endif 291 }, 292 { BSM_PF_NETGRAPH, 293 #ifdef PF_NETGRAPH 294 PF_NETGRAPH 295 #else 296 PF_NO_LOCAL_MAPPING 297 #endif 298 }, 299 { BSM_PF_SLOW, 300 #ifdef PF_SLOW 301 PF_SLOW 302 #else 303 PF_NO_LOCAL_MAPPING 304 #endif 305 }, 306 { BSM_PF_SCLUSTER, 307 #ifdef PF_SCLUSTER 308 PF_SCLUSTER 309 #else 310 PF_NO_LOCAL_MAPPING 311 #endif 312 }, 313 { BSM_PF_ARP, 314 #ifdef PF_ARP 315 PF_ARP 316 #else 317 PF_NO_LOCAL_MAPPING 318 #endif 319 }, 320 { BSM_PF_BLUETOOTH, 321 #ifdef PF_BLUETOOTH 322 PF_BLUETOOTH 323 #else 324 PF_NO_LOCAL_MAPPING 325 #endif 326 }, 327 { BSM_PF_AX25, 328 #ifdef PF_AX25 329 PF_AX25 330 #else 331 PF_NO_LOCAL_MAPPING 332 #endif 333 }, 334 { BSM_PF_ROSE, 335 #ifdef PF_ROSE 336 PF_ROSE 337 #else 338 PF_NO_LOCAL_MAPPING 339 #endif 340 }, 341 { BSM_PF_NETBEUI, 342 #ifdef PF_NETBEUI 343 PF_NETBEUI 344 #else 345 PF_NO_LOCAL_MAPPING 346 #endif 347 }, 348 { BSM_PF_SECURITY, 349 #ifdef PF_SECURITY 350 PF_SECURITY 351 #else 352 PF_NO_LOCAL_MAPPING 353 #endif 354 }, 355 { BSM_PF_PACKET, 356 #ifdef PF_PACKET 357 PF_PACKET 358 #else 359 PF_NO_LOCAL_MAPPING 360 #endif 361 }, 362 { BSM_PF_ASH, 363 #ifdef PF_ASH 364 PF_ASH 365 #else 366 PF_NO_LOCAL_MAPPING 367 #endif 368 }, 369 { BSM_PF_ECONET, 370 #ifdef PF_ECONET 371 PF_ECONET 372 #else 373 PF_NO_LOCAL_MAPPING 374 #endif 375 }, 376 { BSM_PF_ATMSVC, 377 #ifdef PF_ATMSVC 378 PF_ATMSVC 379 #else 380 PF_NO_LOCAL_MAPPING 381 #endif 382 }, 383 { BSM_PF_IRDA, 384 #ifdef PF_IRDA 385 PF_IRDA 386 #else 387 PF_NO_LOCAL_MAPPING 388 #endif 389 }, 390 { BSM_PF_PPPOX, 391 #ifdef PF_PPPOX 392 PF_PPPOX 393 #else 394 PF_NO_LOCAL_MAPPING 395 #endif 396 }, 397 { BSM_PF_WANPIPE, 398 #ifdef PF_WANPIPE 399 PF_WANPIPE 400 #else 401 PF_NO_LOCAL_MAPPING 402 #endif 403 }, 404 { BSM_PF_LLC, 405 #ifdef PF_LLC 406 PF_LLC 407 #else 408 PF_NO_LOCAL_MAPPING 409 #endif 410 }, 411 { BSM_PF_CAN, 412 #ifdef PF_CAN 413 PF_CAN 414 #else 415 PF_NO_LOCAL_MAPPING 416 #endif 417 }, 418 { BSM_PF_TIPC, 419 #ifdef PF_TIPC 420 PF_TIPC 421 #else 422 PF_NO_LOCAL_MAPPING 423 #endif 424 }, 425 { BSM_PF_IUCV, 426 #ifdef PF_IUCV 427 PF_IUCV 428 #else 429 PF_NO_LOCAL_MAPPING 430 #endif 431 }, 432 { BSM_PF_RXRPC, 433 #ifdef PF_RXRPC 434 PF_RXRPC 435 #else 436 PF_NO_LOCAL_MAPPING 437 #endif 438 }, 439 { BSM_PF_PHONET, 440 #ifdef PF_PHONET 441 PF_PHONET 442 #else 443 PF_NO_LOCAL_MAPPING 444 #endif 445 }, 446 }; 447 static const int bsm_domains_count = sizeof(bsm_domains) / 448 sizeof(bsm_domains[0]); 449 450 static const struct bsm_domain * 451 bsm_lookup_local_domain(int local_domain) 452 { 453 int i; 454 455 for (i = 0; i < bsm_domains_count; i++) { 456 if (bsm_domains[i].bd_local_domain == local_domain) 457 return (&bsm_domains[i]); 458 } 459 return (NULL); 460 } 461 462 u_short 463 au_domain_to_bsm(int local_domain) 464 { 465 const struct bsm_domain *bstp; 466 467 bstp = bsm_lookup_local_domain(local_domain); 468 if (bstp == NULL) 469 return (BSM_PF_UNKNOWN); 470 return (bstp->bd_bsm_domain); 471 } 472 473 static const struct bsm_domain * 474 bsm_lookup_bsm_domain(u_short bsm_domain) 475 { 476 int i; 477 478 for (i = 0; i < bsm_domains_count; i++) { 479 if (bsm_domains[i].bd_bsm_domain == bsm_domain) 480 return (&bsm_domains[i]); 481 } 482 return (NULL); 483 } 484 485 int 486 au_bsm_to_domain(u_short bsm_domain, int *local_domainp) 487 { 488 const struct bsm_domain *bstp; 489 490 bstp = bsm_lookup_bsm_domain(bsm_domain); 491 if (bstp == NULL || bstp->bd_local_domain) 492 return (-1); 493 *local_domainp = bstp->bd_local_domain; 494 return (0); 495 }
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