audit_bsm.c revision 162177
1/* 2 * Copyright (c) 1999-2005 Apple Computer, Inc. 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. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 * 29 * $FreeBSD: head/sys/security/audit/audit_bsm.c 162177 2006-09-09 10:23:44Z rwatson $ 30 */ 31 32#include <sys/param.h> 33#include <sys/vnode.h> 34#include <sys/ipc.h> 35#include <sys/lock.h> 36#include <sys/malloc.h> 37#include <sys/mutex.h> 38#include <sys/socket.h> 39#include <sys/extattr.h> 40#include <sys/fcntl.h> 41#include <sys/user.h> 42#include <sys/systm.h> 43 44#include <bsm/audit.h> 45#include <bsm/audit_internal.h> 46#include <bsm/audit_record.h> 47#include <bsm/audit_kevents.h> 48 49#include <security/audit/audit.h> 50#include <security/audit/audit_private.h> 51 52#include <netinet/in_systm.h> 53#include <netinet/in.h> 54#include <netinet/ip.h> 55 56MALLOC_DEFINE(M_AUDITBSM, "audit_bsm", "Audit BSM data"); 57 58/* 59 * Forward declares. 60 */ 61static void audit_sys_auditon(struct audit_record *ar, 62 struct au_record *rec); 63 64/* 65 * Initialize the BSM auditing subsystem. 66 */ 67void 68kau_init(void) 69{ 70 71 printf("BSM auditing present\n"); 72 au_evclassmap_init(); 73} 74 75/* 76 * This call reserves memory for the audit record. Memory must be guaranteed 77 * before any auditable event can be generated. The au_record structure 78 * maintains a reference to the memory allocated above and also the list of 79 * tokens associated with this record 80 */ 81static struct au_record * 82kau_open(void) 83{ 84 struct au_record *rec; 85 86 rec = malloc(sizeof(*rec), M_AUDITBSM, M_WAITOK); 87 rec->data = malloc(MAX_AUDIT_RECORD_SIZE * sizeof(u_char), 88 M_AUDITBSM, M_WAITOK | M_ZERO); 89 TAILQ_INIT(&rec->token_q); 90 rec->len = 0; 91 rec->used = 1; 92 93 return (rec); 94} 95 96/* 97 * Store the token with the record descriptor. 98 */ 99static void 100kau_write(struct au_record *rec, struct au_token *tok) 101{ 102 103 KASSERT(tok != NULL, ("kau_write: tok == NULL")); 104 105 TAILQ_INSERT_TAIL(&rec->token_q, tok, tokens); 106 rec->len += tok->len; 107} 108 109/* 110 * Close out the audit record by adding the header token, identifying any 111 * missing tokens. Write out the tokens to the record memory. 112 */ 113static void 114kau_close(struct au_record *rec, struct timespec *ctime, short event) 115{ 116 u_char *dptr; 117 size_t tot_rec_size; 118 token_t *cur, *hdr, *trail; 119 struct timeval tm; 120 121 tot_rec_size = rec->len + AUDIT_HEADER_SIZE + AUDIT_TRAILER_SIZE; 122 if (tot_rec_size <= MAX_AUDIT_RECORD_SIZE) { 123 /* Create the header token */ 124 tm.tv_usec = ctime->tv_nsec / 1000; 125 tm.tv_sec = ctime->tv_sec; 126 hdr = au_to_header32_tm(tot_rec_size, event, 0, tm); 127 TAILQ_INSERT_HEAD(&rec->token_q, hdr, tokens); 128 129 trail = au_to_trailer(tot_rec_size); 130 TAILQ_INSERT_TAIL(&rec->token_q, trail, tokens); 131 132 /* Serialize token data to the record. */ 133 rec->len = tot_rec_size; 134 dptr = rec->data; 135 TAILQ_FOREACH(cur, &rec->token_q, tokens) { 136 memcpy(dptr, cur->t_data, cur->len); 137 dptr += cur->len; 138 } 139 } 140} 141 142/* 143 * Free a BSM audit record by releasing all the tokens and clearing the audit 144 * record information. 145 */ 146void 147kau_free(struct au_record *rec) 148{ 149 struct au_token *tok; 150 151 /* Free the token list. */ 152 while ((tok = TAILQ_FIRST(&rec->token_q))) { 153 TAILQ_REMOVE(&rec->token_q, tok, tokens); 154 free(tok->t_data, M_AUDITBSM); 155 free(tok, M_AUDITBSM); 156 } 157 158 rec->used = 0; 159 rec->len = 0; 160 free(rec->data, M_AUDITBSM); 161 free(rec, M_AUDITBSM); 162} 163 164/* 165 * XXX May want turn some (or all) of these macros into functions in order 166 * to reduce the generated code sized. 167 * 168 * XXXAUDIT: These macros assume that 'kar', 'ar', 'rec', and 'tok' in the 169 * caller are OK with this. 170 */ 171#define UPATH1_TOKENS do { \ 172 if (ARG_IS_VALID(kar, ARG_UPATH1)) { \ 173 tok = au_to_path(ar->ar_arg_upath1); \ 174 kau_write(rec, tok); \ 175 } \ 176} while (0) 177 178#define UPATH2_TOKENS do { \ 179 if (ARG_IS_VALID(kar, ARG_UPATH2)) { \ 180 tok = au_to_path(ar->ar_arg_upath2); \ 181 kau_write(rec, tok); \ 182 } \ 183} while (0) 184 185#define VNODE1_TOKENS do { \ 186 if (ARG_IS_VALID(kar, ARG_VNODE1)) { \ 187 tok = au_to_attr32(&ar->ar_arg_vnode1); \ 188 kau_write(rec, tok); \ 189 } \ 190} while (0) 191 192#define UPATH1_VNODE1_TOKENS do { \ 193 if (ARG_IS_VALID(kar, ARG_UPATH1)) { \ 194 UPATH1_TOKENS; \ 195 } \ 196 if (ARG_IS_VALID(kar, ARG_VNODE1)) { \ 197 tok = au_to_attr32(&ar->ar_arg_vnode1); \ 198 kau_write(rec, tok); \ 199 } \ 200} while (0) 201 202#define VNODE2_TOKENS do { \ 203 if (ARG_IS_VALID(kar, ARG_VNODE2)) { \ 204 tok = au_to_attr32(&ar->ar_arg_vnode2); \ 205 kau_write(rec, tok); \ 206 } \ 207} while (0) 208 209#define FD_VNODE1_TOKENS do { \ 210 if (ARG_IS_VALID(kar, ARG_VNODE1)) { \ 211 if (ARG_IS_VALID(kar, ARG_FD)) { \ 212 tok = au_to_arg32(1, "fd", ar->ar_arg_fd); \ 213 kau_write(rec, tok); \ 214 } \ 215 tok = au_to_attr32(&ar->ar_arg_vnode1); \ 216 kau_write(rec, tok); \ 217 } else { \ 218 if (ARG_IS_VALID(kar, ARG_FD)) { \ 219 tok = au_to_arg32(1, "non-file: fd", \ 220 ar->ar_arg_fd); \ 221 kau_write(rec, tok); \ 222 } \ 223 } \ 224} while (0) 225 226#define PROCESS_PID_TOKENS(argn) do { \ 227 if ((ar->ar_arg_pid > 0) /* Reference a single process */ \ 228 && (ARG_IS_VALID(kar, ARG_PROCESS))) { \ 229 tok = au_to_process(ar->ar_arg_auid, \ 230 ar->ar_arg_euid, ar->ar_arg_egid, \ 231 ar->ar_arg_ruid, ar->ar_arg_rgid, \ 232 ar->ar_arg_pid, ar->ar_arg_asid, \ 233 &ar->ar_arg_termid); \ 234 kau_write(rec, tok); \ 235 } else if (ARG_IS_VALID(kar, ARG_PID)) { \ 236 tok = au_to_arg32(argn, "process", ar->ar_arg_pid); \ 237 kau_write(rec, tok); \ 238 } \ 239} while (0) \ 240 241#define EXTATTR_TOKENS do { \ 242 if (ARG_IS_VALID(kar, ARG_VALUE)) { \ 243 switch (ar->ar_arg_value) { \ 244 case EXTATTR_NAMESPACE_USER: \ 245 tok = au_to_text(EXTATTR_NAMESPACE_USER_STRING);\ 246 break; \ 247 case EXTATTR_NAMESPACE_SYSTEM: \ 248 tok = au_to_text(EXTATTR_NAMESPACE_SYSTEM_STRING);\ 249 break; \ 250 default: \ 251 tok = au_to_arg32(3, "attrnamespace", \ 252 ar->ar_arg_value); \ 253 break; \ 254 } \ 255 kau_write(rec, tok); \ 256 } \ 257 /* attrname is in the text field */ \ 258 if (ARG_IS_VALID(kar, ARG_TEXT)) { \ 259 tok = au_to_text(ar->ar_arg_text); \ 260 kau_write(rec, tok); \ 261 } \ 262} while (0) 263 264/* 265 * Implement auditing for the auditon() system call. The audit tokens that 266 * are generated depend on the command that was sent into the auditon() 267 * system call. 268 */ 269static void 270audit_sys_auditon(struct audit_record *ar, struct au_record *rec) 271{ 272 struct au_token *tok; 273 274 switch (ar->ar_arg_cmd) { 275 case A_SETPOLICY: 276 if (sizeof(ar->ar_arg_auditon.au_flags) > 4) 277 tok = au_to_arg64(1, "policy", 278 ar->ar_arg_auditon.au_flags); 279 else 280 tok = au_to_arg32(1, "policy", 281 ar->ar_arg_auditon.au_flags); 282 kau_write(rec, tok); 283 break; 284 285 case A_SETKMASK: 286 tok = au_to_arg32(2, "setkmask:as_success", 287 ar->ar_arg_auditon.au_mask.am_success); 288 kau_write(rec, tok); 289 tok = au_to_arg32(2, "setkmask:as_failure", 290 ar->ar_arg_auditon.au_mask.am_failure); 291 kau_write(rec, tok); 292 break; 293 294 case A_SETQCTRL: 295 tok = au_to_arg32(3, "setqctrl:aq_hiwater", 296 ar->ar_arg_auditon.au_qctrl.aq_hiwater); 297 kau_write(rec, tok); 298 tok = au_to_arg32(3, "setqctrl:aq_lowater", 299 ar->ar_arg_auditon.au_qctrl.aq_lowater); 300 kau_write(rec, tok); 301 tok = au_to_arg32(3, "setqctrl:aq_bufsz", 302 ar->ar_arg_auditon.au_qctrl.aq_bufsz); 303 kau_write(rec, tok); 304 tok = au_to_arg32(3, "setqctrl:aq_delay", 305 ar->ar_arg_auditon.au_qctrl.aq_delay); 306 kau_write(rec, tok); 307 tok = au_to_arg32(3, "setqctrl:aq_minfree", 308 ar->ar_arg_auditon.au_qctrl.aq_minfree); 309 kau_write(rec, tok); 310 break; 311 312 case A_SETUMASK: 313 tok = au_to_arg32(3, "setumask:as_success", 314 ar->ar_arg_auditon.au_auinfo.ai_mask.am_success); 315 kau_write(rec, tok); 316 tok = au_to_arg32(3, "setumask:as_failure", 317 ar->ar_arg_auditon.au_auinfo.ai_mask.am_failure); 318 kau_write(rec, tok); 319 break; 320 321 case A_SETSMASK: 322 tok = au_to_arg32(3, "setsmask:as_success", 323 ar->ar_arg_auditon.au_auinfo.ai_mask.am_success); 324 kau_write(rec, tok); 325 tok = au_to_arg32(3, "setsmask:as_failure", 326 ar->ar_arg_auditon.au_auinfo.ai_mask.am_failure); 327 kau_write(rec, tok); 328 break; 329 330 case A_SETCOND: 331 if (sizeof(ar->ar_arg_auditon.au_cond) > 4) 332 tok = au_to_arg64(3, "setcond", 333 ar->ar_arg_auditon.au_cond); 334 else 335 tok = au_to_arg32(3, "setcond", 336 ar->ar_arg_auditon.au_cond); 337 kau_write(rec, tok); 338 break; 339 340 case A_SETCLASS: 341 tok = au_to_arg32(2, "setclass:ec_event", 342 ar->ar_arg_auditon.au_evclass.ec_number); 343 kau_write(rec, tok); 344 tok = au_to_arg32(3, "setclass:ec_class", 345 ar->ar_arg_auditon.au_evclass.ec_class); 346 kau_write(rec, tok); 347 break; 348 349 case A_SETPMASK: 350 tok = au_to_arg32(2, "setpmask:as_success", 351 ar->ar_arg_auditon.au_aupinfo.ap_mask.am_success); 352 kau_write(rec, tok); 353 tok = au_to_arg32(2, "setpmask:as_failure", 354 ar->ar_arg_auditon.au_aupinfo.ap_mask.am_failure); 355 kau_write(rec, tok); 356 break; 357 358 case A_SETFSIZE: 359 tok = au_to_arg32(2, "setfsize:filesize", 360 ar->ar_arg_auditon.au_fstat.af_filesz); 361 kau_write(rec, tok); 362 break; 363 364 default: 365 break; 366 } 367} 368 369/* 370 * Convert an internal kernel audit record to a BSM record and return a 371 * success/failure indicator. The BSM record is passed as an out parameter to 372 * this function. 373 * 374 * Return conditions: 375 * BSM_SUCCESS: The BSM record is valid 376 * BSM_FAILURE: Failure; the BSM record is NULL. 377 * BSM_NOAUDIT: The event is not auditable for BSM; the BSM record is NULL. 378 */ 379int 380kaudit_to_bsm(struct kaudit_record *kar, struct au_record **pau) 381{ 382 struct au_token *tok, *subj_tok; 383 struct au_record *rec; 384 au_tid_t tid; 385 struct audit_record *ar; 386 int ctr; 387 388 KASSERT(kar != NULL, ("kaudit_to_bsm: kar == NULL")); 389 390 *pau = NULL; 391 ar = &kar->k_ar; 392 rec = kau_open(); 393 394 /* Create the subject token */ 395 tid.port = ar->ar_subj_term.port; 396 tid.machine = ar->ar_subj_term.machine; 397 subj_tok = au_to_subject32(ar->ar_subj_auid, /* audit ID */ 398 ar->ar_subj_cred.cr_uid, /* eff uid */ 399 ar->ar_subj_egid, /* eff group id */ 400 ar->ar_subj_ruid, /* real uid */ 401 ar->ar_subj_rgid, /* real group id */ 402 ar->ar_subj_pid, /* process id */ 403 ar->ar_subj_asid, /* session ID */ 404 &tid); 405 406 /* 407 * The logic inside each case fills in the tokens required for the 408 * event, except for the header, trailer, and return tokens. The 409 * header and trailer tokens are added by the kau_close() function. 410 * The return token is added outside of the switch statement. 411 */ 412 switch(ar->ar_event) { 413 case AUE_ACCEPT: 414 case AUE_BIND: 415 case AUE_CONNECT: 416 case AUE_RECVFROM: 417 case AUE_RECVMSG: 418 case AUE_SENDMSG: 419 case AUE_SENDTO: 420 /* 421 * Socket-related events. 422 */ 423 if (ARG_IS_VALID(kar, ARG_FD)) { 424 tok = au_to_arg32(1, "fd", ar->ar_arg_fd); 425 kau_write(rec, tok); 426 } 427 if (ARG_IS_VALID(kar, ARG_SADDRINET)) { 428 tok = au_to_sock_inet((struct sockaddr_in *) 429 &ar->ar_arg_sockaddr); 430 kau_write(rec, tok); 431 } 432 if (ARG_IS_VALID(kar, ARG_SADDRUNIX)) { 433 tok = au_to_sock_unix((struct sockaddr_un *) 434 &ar->ar_arg_sockaddr); 435 kau_write(rec, tok); 436 UPATH1_TOKENS; 437 } 438 /* XXX Need to handle ARG_SADDRINET6 */ 439 break; 440 441 case AUE_SOCKET: 442 case AUE_SOCKETPAIR: 443 if (ARG_IS_VALID(kar, ARG_SOCKINFO)) { 444 tok = au_to_arg32(1,"domain", 445 ar->ar_arg_sockinfo.so_domain); 446 kau_write(rec, tok); 447 tok = au_to_arg32(2,"type", 448 ar->ar_arg_sockinfo.so_type); 449 kau_write(rec, tok); 450 tok = au_to_arg32(3,"protocol", 451 ar->ar_arg_sockinfo.so_protocol); 452 kau_write(rec, tok); 453 } 454 break; 455 456 case AUE_SETSOCKOPT: 457 case AUE_SHUTDOWN: 458 if (ARG_IS_VALID(kar, ARG_FD)) { 459 tok = au_to_arg32(1, "fd", ar->ar_arg_fd); 460 kau_write(rec, tok); 461 } 462 break; 463 464 case AUE_ACCT: 465 if (ARG_IS_VALID(kar, ARG_UPATH1)) { 466 UPATH1_VNODE1_TOKENS; 467 } else { 468 tok = au_to_arg32(1, "accounting off", 0); 469 kau_write(rec, tok); 470 } 471 break; 472 473 case AUE_SETAUID: 474 if (ARG_IS_VALID(kar, ARG_AUID)) { 475 tok = au_to_arg32(2, "setauid", ar->ar_arg_auid); 476 kau_write(rec, tok); 477 } 478 break; 479 480 case AUE_SETAUDIT: 481 if (ARG_IS_VALID(kar, ARG_AUID)) { 482 tok = au_to_arg32(1, "setaudit:auid", 483 ar->ar_arg_auid); 484 kau_write(rec, tok); 485 tok = au_to_arg32(1, "setaudit:port", 486 ar->ar_arg_termid.port); 487 kau_write(rec, tok); 488 tok = au_to_arg32(1, "setaudit:machine", 489 ar->ar_arg_termid.machine); 490 kau_write(rec, tok); 491 tok = au_to_arg32(1, "setaudit:as_success", 492 ar->ar_arg_amask.am_success); 493 kau_write(rec, tok); 494 tok = au_to_arg32(1, "setaudit:as_failure", 495 ar->ar_arg_amask.am_failure); 496 kau_write(rec, tok); 497 tok = au_to_arg32(1, "setaudit:asid", 498 ar->ar_arg_asid); 499 kau_write(rec, tok); 500 } 501 break; 502 503 case AUE_SETAUDIT_ADDR: 504 break; /* XXX need to add arguments */ 505 506 case AUE_AUDITON: 507 /* 508 * For AUDITON commands without own event, audit the cmd. 509 */ 510 if (ARG_IS_VALID(kar, ARG_CMD)) { 511 tok = au_to_arg32(1, "cmd", ar->ar_arg_cmd); 512 kau_write(rec, tok); 513 } 514 /* fall thru */ 515 516 case AUE_AUDITON_GETCAR: 517 case AUE_AUDITON_GETCLASS: 518 case AUE_AUDITON_GETCOND: 519 case AUE_AUDITON_GETCWD: 520 case AUE_AUDITON_GETKMASK: 521 case AUE_AUDITON_GETSTAT: 522 case AUE_AUDITON_GPOLICY: 523 case AUE_AUDITON_GQCTRL: 524 case AUE_AUDITON_SETCLASS: 525 case AUE_AUDITON_SETCOND: 526 case AUE_AUDITON_SETKMASK: 527 case AUE_AUDITON_SETSMASK: 528 case AUE_AUDITON_SETSTAT: 529 case AUE_AUDITON_SETUMASK: 530 case AUE_AUDITON_SPOLICY: 531 case AUE_AUDITON_SQCTRL: 532 if (ARG_IS_VALID(kar, ARG_AUDITON)) 533 audit_sys_auditon(ar, rec); 534 break; 535 536 case AUE_AUDITCTL: 537 UPATH1_VNODE1_TOKENS; 538 break; 539 540 case AUE_EXIT: 541 if (ARG_IS_VALID(kar, ARG_EXIT)) { 542 tok = au_to_exit(ar->ar_arg_exitretval, 543 ar->ar_arg_exitstatus); 544 kau_write(rec, tok); 545 } 546 break; 547 548 case AUE_ADJTIME: 549 case AUE_AUDIT: 550 case AUE_GETAUDIT: 551 case AUE_GETAUDIT_ADDR: 552 case AUE_GETAUID: 553 case AUE_GETFSSTAT: 554 case AUE_PIPE: 555 case AUE_SETPGRP: 556 case AUE_SETRLIMIT: 557 case AUE_SETSID: 558 case AUE_SETTIMEOFDAY: 559 case AUE_NEWSYSTEMSHREG: 560 /* 561 * Header, subject, and return tokens added at end. 562 */ 563 break; 564 565 case AUE_MKFIFO: 566 if (ARG_IS_VALID(kar, ARG_MODE)) { 567 tok = au_to_arg32(2, "mode", ar->ar_arg_mode); 568 kau_write(rec, tok); 569 } 570 /* fall through */ 571 case AUE_ACCESS: 572 case AUE_CHDIR: 573 case AUE_CHROOT: 574 case AUE_EACCESS: 575 case AUE_GETATTRLIST: 576 case AUE_NFS_GETFH: 577 case AUE_LSTAT: 578 case AUE_PATHCONF: 579 case AUE_READLINK: 580 case AUE_REVOKE: 581 case AUE_RMDIR: 582 case AUE_SEARCHFS: 583 case AUE_SETATTRLIST: 584 case AUE_STAT: 585 case AUE_STATFS: 586 case AUE_TRUNCATE: 587 case AUE_UNDELETE: 588 case AUE_UNLINK: 589 case AUE_UTIMES: 590 UPATH1_VNODE1_TOKENS; 591 break; 592 593 case AUE_CHFLAGS: 594 case AUE_LCHFLAGS: 595 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 596 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); 597 kau_write(rec, tok); 598 } 599 UPATH1_VNODE1_TOKENS; 600 break; 601 602 case AUE_CHMOD: 603 case AUE_LCHMOD: 604 if (ARG_IS_VALID(kar, ARG_MODE)) { 605 tok = au_to_arg32(2, "new file mode", 606 ar->ar_arg_mode); 607 kau_write(rec, tok); 608 } 609 UPATH1_VNODE1_TOKENS; 610 break; 611 612 case AUE_CHOWN: 613 case AUE_LCHOWN: 614 if (ARG_IS_VALID(kar, ARG_UID)) { 615 tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid); 616 kau_write(rec, tok); 617 } 618 if (ARG_IS_VALID(kar, ARG_GID)) { 619 tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid); 620 kau_write(rec, tok); 621 } 622 UPATH1_VNODE1_TOKENS; 623 break; 624 625 case AUE_EXCHANGEDATA: 626 UPATH1_VNODE1_TOKENS; 627 UPATH2_TOKENS; 628 break; 629 630 case AUE_CLOSE: 631 if (ARG_IS_VALID(kar, ARG_FD)) { 632 tok = au_to_arg32(2, "fd", ar->ar_arg_fd); 633 kau_write(rec, tok); 634 } 635 UPATH1_VNODE1_TOKENS; 636 break; 637 638 case AUE_EXTATTRCTL: 639 UPATH1_VNODE1_TOKENS; 640 if (ARG_IS_VALID(kar, ARG_CMD)) { 641 tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd); 642 kau_write(rec, tok); 643 } 644 /* extattrctl(2) filename parameter is in upath2/vnode2 */ 645 UPATH2_TOKENS; 646 VNODE2_TOKENS; 647 EXTATTR_TOKENS; 648 break; 649 650 case AUE_EXTATTR_GET_FILE: 651 case AUE_EXTATTR_SET_FILE: 652 case AUE_EXTATTR_LIST_FILE: 653 case AUE_EXTATTR_DELETE_FILE: 654 case AUE_EXTATTR_GET_LINK: 655 case AUE_EXTATTR_SET_LINK: 656 case AUE_EXTATTR_LIST_LINK: 657 case AUE_EXTATTR_DELETE_LINK: 658 UPATH1_VNODE1_TOKENS; 659 EXTATTR_TOKENS; 660 break; 661 662 case AUE_EXTATTR_GET_FD: 663 case AUE_EXTATTR_SET_FD: 664 case AUE_EXTATTR_LIST_FD: 665 case AUE_EXTATTR_DELETE_FD: 666 if (ARG_IS_VALID(kar, ARG_FD)) { 667 tok = au_to_arg32(2, "fd", ar->ar_arg_fd); 668 kau_write(rec, tok); 669 } 670 EXTATTR_TOKENS; 671 break; 672 673 case AUE_EXECVE: 674 if (ARG_IS_VALID(kar, ARG_ARGV)) { 675 tok = au_to_exec_args(ar->ar_arg_argv, 676 ar->ar_arg_argc); 677 kau_write(rec, tok); 678 } 679 if (ARG_IS_VALID(kar, ARG_ENVV)) { 680 tok = au_to_exec_env(ar->ar_arg_envv, 681 ar->ar_arg_envc); 682 kau_write(rec, tok); 683 } 684 UPATH1_VNODE1_TOKENS; 685 break; 686 687 case AUE_FCHMOD: 688 if (ARG_IS_VALID(kar, ARG_MODE)) { 689 tok = au_to_arg32(2, "new file mode", 690 ar->ar_arg_mode); 691 kau_write(rec, tok); 692 } 693 FD_VNODE1_TOKENS; 694 break; 695 696 case AUE_FCHDIR: 697 case AUE_FPATHCONF: 698 case AUE_FSTAT: /* XXX Need to handle sockets and shm */ 699 case AUE_FSTATFS: 700 case AUE_FSYNC: 701 case AUE_FTRUNCATE: 702 case AUE_FUTIMES: 703 case AUE_GETDIRENTRIES: 704 case AUE_GETDIRENTRIESATTR: 705 FD_VNODE1_TOKENS; 706 break; 707 708 case AUE_FCHOWN: 709 if (ARG_IS_VALID(kar, ARG_UID)) { 710 tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid); 711 kau_write(rec, tok); 712 } 713 if (ARG_IS_VALID(kar, ARG_GID)) { 714 tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid); 715 kau_write(rec, tok); 716 } 717 FD_VNODE1_TOKENS; 718 break; 719 720 case AUE_FCNTL: 721 if (ar->ar_arg_cmd == F_GETLK || ar->ar_arg_cmd == F_SETLK || 722 ar->ar_arg_cmd == F_SETLKW) { 723 if (ARG_IS_VALID(kar, ARG_CMD)) { 724 tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd); 725 kau_write(rec, tok); 726 } 727 FD_VNODE1_TOKENS; 728 } 729 break; 730 731 case AUE_FCHFLAGS: 732 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 733 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); 734 kau_write(rec, tok); 735 } 736 FD_VNODE1_TOKENS; 737 break; 738 739 case AUE_FLOCK: 740 if (ARG_IS_VALID(kar, ARG_CMD)) { 741 tok = au_to_arg32(2, "operation", ar->ar_arg_cmd); 742 kau_write(rec, tok); 743 } 744 FD_VNODE1_TOKENS; 745 break; 746 747 case AUE_RFORK: 748 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 749 tok = au_to_arg32(1, "flags", ar->ar_arg_fflags); 750 kau_write(rec, tok); 751 } 752 /* fall through */ 753 case AUE_FORK: 754 case AUE_VFORK: 755 if (ARG_IS_VALID(kar, ARG_PID)) { 756 tok = au_to_arg32(0, "child PID", ar->ar_arg_pid); 757 kau_write(rec, tok); 758 } 759 break; 760 761 case AUE_IOCTL: 762 if (ARG_IS_VALID(kar, ARG_CMD)) { 763 tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd); 764 kau_write(rec, tok); 765 } 766 if (ARG_IS_VALID(kar, ARG_ADDR)) { 767 tok = au_to_arg32(1, "arg", 768 (u_int32_t)(uintptr_t)ar->ar_arg_addr); 769 kau_write(rec, tok); 770 } 771 if (ARG_IS_VALID(kar, ARG_VNODE1)) 772 FD_VNODE1_TOKENS; 773 else { 774 if (ARG_IS_VALID(kar, ARG_SOCKINFO)) { 775 tok = kau_to_socket(&ar->ar_arg_sockinfo); 776 kau_write(rec, tok); 777 } else { 778 if (ARG_IS_VALID(kar, ARG_FD)) { 779 tok = au_to_arg32(1, "fd", 780 ar->ar_arg_fd); 781 kau_write(rec, tok); 782 } 783 } 784 } 785 break; 786 787 case AUE_KILL: 788 if (ARG_IS_VALID(kar, ARG_SIGNUM)) { 789 tok = au_to_arg32(2, "signal", ar->ar_arg_signum); 790 kau_write(rec, tok); 791 } 792 PROCESS_PID_TOKENS(1); 793 break; 794 795 case AUE_KTRACE: 796 if (ARG_IS_VALID(kar, ARG_CMD)) { 797 tok = au_to_arg32(2, "ops", ar->ar_arg_cmd); 798 kau_write(rec, tok); 799 } 800 if (ARG_IS_VALID(kar, ARG_VALUE)) { 801 tok = au_to_arg32(3, "trpoints", ar->ar_arg_value); 802 kau_write(rec, tok); 803 } 804 PROCESS_PID_TOKENS(4); 805 UPATH1_VNODE1_TOKENS; 806 break; 807 808 case AUE_LINK: 809 case AUE_RENAME: 810 UPATH1_VNODE1_TOKENS; 811 UPATH2_TOKENS; 812 break; 813 814 case AUE_LOADSHFILE: 815 if (ARG_IS_VALID(kar, ARG_ADDR)) { 816 tok = au_to_arg32(4, "base addr", 817 (u_int32_t)(uintptr_t)ar->ar_arg_addr); 818 kau_write(rec, tok); 819 } 820 UPATH1_VNODE1_TOKENS; 821 break; 822 823 case AUE_MKDIR: 824 if (ARG_IS_VALID(kar, ARG_MODE)) { 825 tok = au_to_arg32(2, "mode", ar->ar_arg_mode); 826 kau_write(rec, tok); 827 } 828 UPATH1_VNODE1_TOKENS; 829 break; 830 831 case AUE_MKNOD: 832 if (ARG_IS_VALID(kar, ARG_MODE)) { 833 tok = au_to_arg32(2, "mode", ar->ar_arg_mode); 834 kau_write(rec, tok); 835 } 836 if (ARG_IS_VALID(kar, ARG_DEV)) { 837 tok = au_to_arg32(3, "dev", ar->ar_arg_dev); 838 kau_write(rec, tok); 839 } 840 UPATH1_VNODE1_TOKENS; 841 break; 842 843 case AUE_MMAP: 844 case AUE_MUNMAP: 845 case AUE_MPROTECT: 846 case AUE_MLOCK: 847 case AUE_MUNLOCK: 848 case AUE_MINHERIT: 849 if (ARG_IS_VALID(kar, ARG_ADDR)) { 850 tok = au_to_arg32(1, "addr", 851 (u_int32_t)(uintptr_t)ar->ar_arg_addr); 852 kau_write(rec, tok); 853 } 854 if (ARG_IS_VALID(kar, ARG_LEN)) { 855 tok = au_to_arg32(2, "len", ar->ar_arg_len); 856 kau_write(rec, tok); 857 } 858 if (ar->ar_event == AUE_MMAP) 859 FD_VNODE1_TOKENS; 860 if (ar->ar_event == AUE_MPROTECT) { 861 if (ARG_IS_VALID(kar, ARG_VALUE)) { 862 tok = au_to_arg32(3, "protection", 863 ar->ar_arg_value); 864 kau_write(rec, tok); 865 } 866 } 867 if (ar->ar_event == AUE_MINHERIT) { 868 if (ARG_IS_VALID(kar, ARG_VALUE)) { 869 tok = au_to_arg32(3, "inherit", 870 ar->ar_arg_value); 871 kau_write(rec, tok); 872 } 873 } 874 break; 875 876 case AUE_MOUNT: 877 /* XXX Need to handle NFS mounts */ 878 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 879 tok = au_to_arg32(3, "flags", ar->ar_arg_fflags); 880 kau_write(rec, tok); 881 } 882 if (ARG_IS_VALID(kar, ARG_TEXT)) { 883 tok = au_to_text(ar->ar_arg_text); 884 kau_write(rec, tok); 885 } 886 /* fall through */ 887 888 case AUE_UMOUNT: 889 UPATH1_VNODE1_TOKENS; 890 break; 891 892 case AUE_MSGCTL: 893 ar->ar_event = msgctl_to_event(ar->ar_arg_svipc_cmd); 894 /* Fall through */ 895 896 case AUE_MSGRCV: 897 case AUE_MSGSND: 898 tok = au_to_arg32(1, "msg ID", ar->ar_arg_svipc_id); 899 kau_write(rec, tok); 900 if (ar->ar_errno != EINVAL) { 901 tok = au_to_ipc(AT_IPC_MSG, ar->ar_arg_svipc_id); 902 kau_write(rec, tok); 903 } 904 break; 905 906 case AUE_MSGGET: 907 if (ar->ar_errno == 0) { 908 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 909 tok = au_to_ipc(AT_IPC_MSG, 910 ar->ar_arg_svipc_id); 911 kau_write(rec, tok); 912 } 913 } 914 break; 915 916 case AUE_RESETSHFILE: 917 if (ARG_IS_VALID(kar, ARG_ADDR)) { 918 tok = au_to_arg32(1, "base addr", 919 (u_int32_t)(uintptr_t)ar->ar_arg_addr); 920 kau_write(rec, tok); 921 } 922 break; 923 924 case AUE_OPEN_RC: 925 case AUE_OPEN_RTC: 926 case AUE_OPEN_RWC: 927 case AUE_OPEN_RWTC: 928 case AUE_OPEN_WC: 929 case AUE_OPEN_WTC: 930 /* case AUE_O_CREAT: */ /* AUE_O_CREAT == AUE_OPEN_RWTC */ 931 if (ARG_IS_VALID(kar, ARG_MODE)) { 932 tok = au_to_arg32(3, "mode", ar->ar_arg_mode); 933 kau_write(rec, tok); 934 } 935 /* fall through */ 936 937 case AUE_OPEN_R: 938 case AUE_OPEN_RT: 939 case AUE_OPEN_RW: 940 case AUE_OPEN_RWT: 941 case AUE_OPEN_W: 942 case AUE_OPEN_WT: 943 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 944 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); 945 kau_write(rec, tok); 946 } 947 UPATH1_VNODE1_TOKENS; 948 break; 949 950 case AUE_PTRACE: 951 if (ARG_IS_VALID(kar, ARG_CMD)) { 952 tok = au_to_arg32(1, "request", ar->ar_arg_cmd); 953 kau_write(rec, tok); 954 } 955 if (ARG_IS_VALID(kar, ARG_ADDR)) { 956 tok = au_to_arg32(3, "addr", 957 (u_int32_t)(uintptr_t)ar->ar_arg_addr); 958 kau_write(rec, tok); 959 } 960 if (ARG_IS_VALID(kar, ARG_VALUE)) { 961 tok = au_to_arg32(4, "data", ar->ar_arg_value); 962 kau_write(rec, tok); 963 } 964 PROCESS_PID_TOKENS(2); 965 break; 966 967 case AUE_QUOTACTL: 968 if (ARG_IS_VALID(kar, ARG_CMD)) { 969 tok = au_to_arg32(2, "command", ar->ar_arg_cmd); 970 kau_write(rec, tok); 971 } 972 if (ARG_IS_VALID(kar, ARG_UID)) { 973 tok = au_to_arg32(3, "uid", ar->ar_arg_uid); 974 kau_write(rec, tok); 975 } 976 UPATH1_VNODE1_TOKENS; 977 break; 978 979 case AUE_REBOOT: 980 if (ARG_IS_VALID(kar, ARG_CMD)) { 981 tok = au_to_arg32(1, "howto", ar->ar_arg_cmd); 982 kau_write(rec, tok); 983 } 984 break; 985 986 case AUE_SEMCTL: 987 ar->ar_event = semctl_to_event(ar->ar_arg_svipc_cmd); 988 /* Fall through */ 989 990 case AUE_SEMOP: 991 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 992 tok = au_to_arg32(1, "sem ID", ar->ar_arg_svipc_id); 993 kau_write(rec, tok); 994 if (ar->ar_errno != EINVAL) { 995 tok = au_to_ipc(AT_IPC_SEM, 996 ar->ar_arg_svipc_id); 997 kau_write(rec, tok); 998 } 999 } 1000 break; 1001 1002 case AUE_SEMGET: 1003 if (ar->ar_errno == 0) { 1004 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 1005 tok = au_to_ipc(AT_IPC_SEM, 1006 ar->ar_arg_svipc_id); 1007 kau_write(rec, tok); 1008 } 1009 } 1010 break; 1011 1012 case AUE_SETEGID: 1013 if (ARG_IS_VALID(kar, ARG_EGID)) { 1014 tok = au_to_arg32(1, "gid", ar->ar_arg_egid); 1015 kau_write(rec, tok); 1016 } 1017 break; 1018 1019 case AUE_SETEUID: 1020 if (ARG_IS_VALID(kar, ARG_EUID)) { 1021 tok = au_to_arg32(1, "uid", ar->ar_arg_euid); 1022 kau_write(rec, tok); 1023 } 1024 break; 1025 1026 case AUE_SETREGID: 1027 if (ARG_IS_VALID(kar, ARG_RGID)) { 1028 tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid); 1029 kau_write(rec, tok); 1030 } 1031 if (ARG_IS_VALID(kar, ARG_EGID)) { 1032 tok = au_to_arg32(2, "egid", ar->ar_arg_egid); 1033 kau_write(rec, tok); 1034 } 1035 break; 1036 1037 case AUE_SETREUID: 1038 if (ARG_IS_VALID(kar, ARG_RUID)) { 1039 tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid); 1040 kau_write(rec, tok); 1041 } 1042 if (ARG_IS_VALID(kar, ARG_EUID)) { 1043 tok = au_to_arg32(2, "euid", ar->ar_arg_euid); 1044 kau_write(rec, tok); 1045 } 1046 break; 1047 1048 case AUE_SETRESGID: 1049 if (ARG_IS_VALID(kar, ARG_RGID)) { 1050 tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid); 1051 kau_write(rec, tok); 1052 } 1053 if (ARG_IS_VALID(kar, ARG_EGID)) { 1054 tok = au_to_arg32(2, "egid", ar->ar_arg_egid); 1055 kau_write(rec, tok); 1056 } 1057 if (ARG_IS_VALID(kar, ARG_SGID)) { 1058 tok = au_to_arg32(3, "sgid", ar->ar_arg_sgid); 1059 kau_write(rec, tok); 1060 } 1061 break; 1062 1063 case AUE_SETRESUID: 1064 if (ARG_IS_VALID(kar, ARG_RUID)) { 1065 tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid); 1066 kau_write(rec, tok); 1067 } 1068 if (ARG_IS_VALID(kar, ARG_EUID)) { 1069 tok = au_to_arg32(2, "euid", ar->ar_arg_euid); 1070 kau_write(rec, tok); 1071 } 1072 if (ARG_IS_VALID(kar, ARG_SUID)) { 1073 tok = au_to_arg32(3, "suid", ar->ar_arg_suid); 1074 kau_write(rec, tok); 1075 } 1076 break; 1077 1078 case AUE_SETGID: 1079 if (ARG_IS_VALID(kar, ARG_GID)) { 1080 tok = au_to_arg32(1, "gid", ar->ar_arg_gid); 1081 kau_write(rec, tok); 1082 } 1083 break; 1084 1085 case AUE_SETUID: 1086 if (ARG_IS_VALID(kar, ARG_UID)) { 1087 tok = au_to_arg32(1, "uid", ar->ar_arg_uid); 1088 kau_write(rec, tok); 1089 } 1090 break; 1091 1092 case AUE_SETGROUPS: 1093 if (ARG_IS_VALID(kar, ARG_GROUPSET)) { 1094 for(ctr = 0; ctr < ar->ar_arg_groups.gidset_size; ctr++) 1095 { 1096 tok = au_to_arg32(1, "setgroups", ar->ar_arg_groups.gidset[ctr]); 1097 kau_write(rec, tok); 1098 } 1099 } 1100 break; 1101 1102 case AUE_SETLOGIN: 1103 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1104 tok = au_to_text(ar->ar_arg_text); 1105 kau_write(rec, tok); 1106 } 1107 break; 1108 1109 case AUE_SETPRIORITY: 1110 if (ARG_IS_VALID(kar, ARG_CMD)) { 1111 tok = au_to_arg32(1, "which", ar->ar_arg_cmd); 1112 kau_write(rec, tok); 1113 } 1114 if (ARG_IS_VALID(kar, ARG_UID)) { 1115 tok = au_to_arg32(2, "who", ar->ar_arg_uid); 1116 kau_write(rec, tok); 1117 } 1118 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1119 tok = au_to_arg32(2, "priority", ar->ar_arg_value); 1120 kau_write(rec, tok); 1121 } 1122 break; 1123 1124 case AUE_SETPRIVEXEC: 1125 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1126 tok = au_to_arg32(1, "flag", ar->ar_arg_value); 1127 kau_write(rec, tok); 1128 } 1129 break; 1130 1131 /* AUE_SHMAT, AUE_SHMCTL, AUE_SHMDT and AUE_SHMGET are SysV IPC */ 1132 case AUE_SHMAT: 1133 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 1134 tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id); 1135 kau_write(rec, tok); 1136 /* XXXAUDIT: Does having the ipc token make sense? */ 1137 tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id); 1138 kau_write(rec, tok); 1139 } 1140 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) { 1141 tok = au_to_arg32(2, "shmaddr", 1142 (int)(uintptr_t)ar->ar_arg_svipc_addr); 1143 kau_write(rec, tok); 1144 } 1145 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) { 1146 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm); 1147 kau_write(rec, tok); 1148 } 1149 break; 1150 1151 case AUE_SHMCTL: 1152 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 1153 tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id); 1154 kau_write(rec, tok); 1155 /* XXXAUDIT: Does having the ipc token make sense? */ 1156 tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id); 1157 kau_write(rec, tok); 1158 } 1159 switch (ar->ar_arg_svipc_cmd) { 1160 case IPC_STAT: 1161 ar->ar_event = AUE_SHMCTL_STAT; 1162 break; 1163 case IPC_RMID: 1164 ar->ar_event = AUE_SHMCTL_RMID; 1165 break; 1166 case IPC_SET: 1167 ar->ar_event = AUE_SHMCTL_SET; 1168 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) { 1169 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm); 1170 kau_write(rec, tok); 1171 } 1172 break; 1173 default: 1174 break; /* We will audit a bad command */ 1175 } 1176 break; 1177 1178 case AUE_SHMDT: 1179 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) { 1180 tok = au_to_arg32(1, "shmaddr", 1181 (int)(uintptr_t)ar->ar_arg_svipc_addr); 1182 kau_write(rec, tok); 1183 } 1184 break; 1185 1186 case AUE_SHMGET: 1187 /* This is unusual; the return value is in an argument token */ 1188 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 1189 tok = au_to_arg32(0, "shmid", ar->ar_arg_svipc_id); 1190 kau_write(rec, tok); 1191 tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id); 1192 kau_write(rec, tok); 1193 } 1194 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) { 1195 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm); 1196 kau_write(rec, tok); 1197 } 1198 break; 1199 1200 /* AUE_SHMOPEN, AUE_SHMUNLINK, AUE_SEMOPEN, AUE_SEMCLOSE 1201 * and AUE_SEMUNLINK are Posix IPC */ 1202 case AUE_SHMOPEN: 1203 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) { 1204 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); 1205 kau_write(rec, tok); 1206 } 1207 if (ARG_IS_VALID(kar, ARG_MODE)) { 1208 tok = au_to_arg32(3, "mode", ar->ar_arg_mode); 1209 kau_write(rec, tok); 1210 } 1211 case AUE_SHMUNLINK: 1212 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1213 tok = au_to_text(ar->ar_arg_text); 1214 kau_write(rec, tok); 1215 } 1216 if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) { 1217 /* Create an ipc_perm token */ 1218 struct ipc_perm perm; 1219 perm.uid = ar->ar_arg_pipc_perm.pipc_uid; 1220 perm.gid = ar->ar_arg_pipc_perm.pipc_gid; 1221 perm.cuid = ar->ar_arg_pipc_perm.pipc_uid; 1222 perm.cgid = ar->ar_arg_pipc_perm.pipc_gid; 1223 perm.mode = ar->ar_arg_pipc_perm.pipc_mode; 1224 perm.seq = 0; 1225 perm.key = 0; 1226 tok = au_to_ipc_perm(&perm); 1227 kau_write(rec, tok); 1228 } 1229 break; 1230 1231 case AUE_SEMOPEN: 1232 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 1233 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); 1234 kau_write(rec, tok); 1235 } 1236 if (ARG_IS_VALID(kar, ARG_MODE)) { 1237 tok = au_to_arg32(3, "mode", ar->ar_arg_mode); 1238 kau_write(rec, tok); 1239 } 1240 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1241 tok = au_to_arg32(4, "value", ar->ar_arg_value); 1242 kau_write(rec, tok); 1243 } 1244 /* fall through */ 1245 1246 case AUE_SEMUNLINK: 1247 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1248 tok = au_to_text(ar->ar_arg_text); 1249 kau_write(rec, tok); 1250 } 1251 if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) { 1252 /* Create an ipc_perm token */ 1253 struct ipc_perm perm; 1254 perm.uid = ar->ar_arg_pipc_perm.pipc_uid; 1255 perm.gid = ar->ar_arg_pipc_perm.pipc_gid; 1256 perm.cuid = ar->ar_arg_pipc_perm.pipc_uid; 1257 perm.cgid = ar->ar_arg_pipc_perm.pipc_gid; 1258 perm.mode = ar->ar_arg_pipc_perm.pipc_mode; 1259 perm.seq = 0; 1260 perm.key = 0; 1261 tok = au_to_ipc_perm(&perm); 1262 kau_write(rec, tok); 1263 } 1264 break; 1265 1266 case AUE_SEMCLOSE: 1267 if (ARG_IS_VALID(kar, ARG_FD)) { 1268 tok = au_to_arg32(1, "sem", ar->ar_arg_fd); 1269 kau_write(rec, tok); 1270 } 1271 break; 1272 1273 case AUE_SYMLINK: 1274 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1275 tok = au_to_text(ar->ar_arg_text); 1276 kau_write(rec, tok); 1277 } 1278 UPATH1_VNODE1_TOKENS; 1279 break; 1280 1281 case AUE_SYSCTL: 1282 if (ARG_IS_VALID(kar, ARG_CTLNAME | ARG_LEN)) { 1283 for (ctr = 0; ctr < ar->ar_arg_len; ctr++) { 1284 tok = au_to_arg32(1, "name", 1285 ar->ar_arg_ctlname[ctr]); 1286 kau_write(rec, tok); 1287 } 1288 } 1289 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1290 tok = au_to_arg32(5, "newval", ar->ar_arg_value); 1291 kau_write(rec, tok); 1292 } 1293 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1294 tok = au_to_text(ar->ar_arg_text); 1295 kau_write(rec, tok); 1296 } 1297 break; 1298 1299 case AUE_UMASK: 1300 if (ARG_IS_VALID(kar, ARG_MASK)) { 1301 tok = au_to_arg32(1, "new mask", ar->ar_arg_mask); 1302 kau_write(rec, tok); 1303 } 1304 tok = au_to_arg32(0, "prev mask", ar->ar_retval); 1305 kau_write(rec, tok); 1306 break; 1307 1308 case AUE_WAIT4: 1309 if (ARG_IS_VALID(kar, ARG_PID)) { 1310 tok = au_to_arg32(0, "pid", ar->ar_arg_pid); 1311 kau_write(rec, tok); 1312 } 1313 break; 1314 1315 case AUE_GETCWD: 1316 break; 1317 1318 default: 1319 printf("BSM conversion requested for unknown event %d\n", 1320 ar->ar_event); 1321 /* Write the subject token so it is properly freed here. */ 1322 kau_write(rec, subj_tok); 1323 kau_free(rec); 1324 return (BSM_NOAUDIT); 1325 } 1326 1327 kau_write(rec, subj_tok); 1328 tok = au_to_return32((char)ar->ar_errno, ar->ar_retval); 1329 kau_write(rec, tok); /* Every record gets a return token */ 1330 1331 kau_close(rec, &ar->ar_endtime, ar->ar_event); 1332 1333 *pau = rec; 1334 return (BSM_SUCCESS); 1335} 1336 1337/* 1338 * Verify that a record is a valid BSM record. This verification is simple 1339 * now, but may be expanded on sometime in the future. Return 1 if the 1340 * record is good, 0 otherwise. 1341 */ 1342int 1343bsm_rec_verify(void *rec) 1344{ 1345 char c = *(char *)rec; 1346 1347 /* 1348 * Check the token ID of the first token; it has to be a header 1349 * token. 1350 * 1351 * XXXAUDIT There needs to be a token structure to map a token. 1352 * XXXAUDIT 'Shouldn't be simply looking at the first char. 1353 */ 1354 if ((c != AUT_HEADER32) && (c != AUT_HEADER32_EX) && 1355 (c != AUT_HEADER64) && (c != AUT_HEADER64_EX)) 1356 return (0); 1357 return (1); 1358} 1359