audit_bsm.c revision 195925
1/* 2 * Copyright (c) 1999-2009 Apple 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 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 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: head/sys/security/audit/audit_bsm.c 195925 2009-07-28 21:39:58Z rwatson $"); 32 33#include <sys/param.h> 34#include <sys/vnode.h> 35#include <sys/ipc.h> 36#include <sys/lock.h> 37#include <sys/malloc.h> 38#include <sys/mutex.h> 39#include <sys/socket.h> 40#include <sys/extattr.h> 41#include <sys/fcntl.h> 42#include <sys/user.h> 43#include <sys/systm.h> 44 45#include <bsm/audit.h> 46#include <bsm/audit_internal.h> 47#include <bsm/audit_record.h> 48#include <bsm/audit_kevents.h> 49 50#include <security/audit/audit.h> 51#include <security/audit/audit_private.h> 52 53#include <netinet/in_systm.h> 54#include <netinet/in.h> 55#include <netinet/ip.h> 56 57MALLOC_DEFINE(M_AUDITBSM, "audit_bsm", "Audit BSM data"); 58 59static void audit_sys_auditon(struct audit_record *ar, 60 struct au_record *rec); 61 62/* 63 * Initialize the BSM auditing subsystem. 64 */ 65void 66kau_init(void) 67{ 68 69 au_evclassmap_init(); 70} 71 72/* 73 * This call reserves memory for the audit record. Memory must be guaranteed 74 * before any auditable event can be generated. The au_record structure 75 * maintains a reference to the memory allocated above and also the list of 76 * tokens associated with this record. 77 */ 78static struct au_record * 79kau_open(void) 80{ 81 struct au_record *rec; 82 83 rec = malloc(sizeof(*rec), M_AUDITBSM, M_WAITOK); 84 rec->data = NULL; 85 TAILQ_INIT(&rec->token_q); 86 rec->len = 0; 87 rec->used = 1; 88 89 return (rec); 90} 91 92/* 93 * Store the token with the record descriptor. 94 */ 95static void 96kau_write(struct au_record *rec, struct au_token *tok) 97{ 98 99 KASSERT(tok != NULL, ("kau_write: tok == NULL")); 100 101 TAILQ_INSERT_TAIL(&rec->token_q, tok, tokens); 102 rec->len += tok->len; 103} 104 105/* 106 * Close out the audit record by adding the header token, identifying any 107 * missing tokens. Write out the tokens to the record memory. 108 */ 109static void 110kau_close(struct au_record *rec, struct timespec *ctime, short event) 111{ 112 u_char *dptr; 113 size_t tot_rec_size; 114 token_t *cur, *hdr, *trail; 115 struct timeval tm; 116 size_t hdrsize; 117 struct auditinfo_addr ak; 118 struct in6_addr *ap; 119 120 audit_get_kinfo(&ak); 121 hdrsize = 0; 122 switch (ak.ai_termid.at_type) { 123 case AU_IPv4: 124 hdrsize = (ak.ai_termid.at_addr[0] == INADDR_ANY) ? 125 AUDIT_HEADER_SIZE : AUDIT_HEADER_EX_SIZE(&ak); 126 break; 127 case AU_IPv6: 128 ap = (struct in6_addr *)&ak.ai_termid.at_addr[0]; 129 hdrsize = (IN6_IS_ADDR_UNSPECIFIED(ap)) ? AUDIT_HEADER_SIZE : 130 AUDIT_HEADER_EX_SIZE(&ak); 131 break; 132 default: 133 panic("kau_close: invalid address family"); 134 } 135 tot_rec_size = rec->len + hdrsize + AUDIT_TRAILER_SIZE; 136 rec->data = malloc(tot_rec_size, M_AUDITBSM, M_WAITOK | M_ZERO); 137 138 tm.tv_usec = ctime->tv_nsec / 1000; 139 tm.tv_sec = ctime->tv_sec; 140 if (hdrsize != AUDIT_HEADER_SIZE) 141 hdr = au_to_header32_ex_tm(tot_rec_size, event, 0, tm, &ak); 142 else 143 hdr = au_to_header32_tm(tot_rec_size, event, 0, tm); 144 TAILQ_INSERT_HEAD(&rec->token_q, hdr, tokens); 145 146 trail = au_to_trailer(tot_rec_size); 147 TAILQ_INSERT_TAIL(&rec->token_q, trail, tokens); 148 149 rec->len = tot_rec_size; 150 dptr = rec->data; 151 TAILQ_FOREACH(cur, &rec->token_q, tokens) { 152 memcpy(dptr, cur->t_data, cur->len); 153 dptr += cur->len; 154 } 155} 156 157/* 158 * Free a BSM audit record by releasing all the tokens and clearing the audit 159 * record information. 160 */ 161void 162kau_free(struct au_record *rec) 163{ 164 struct au_token *tok; 165 166 /* Free the token list. */ 167 while ((tok = TAILQ_FIRST(&rec->token_q))) { 168 TAILQ_REMOVE(&rec->token_q, tok, tokens); 169 free(tok->t_data, M_AUDITBSM); 170 free(tok, M_AUDITBSM); 171 } 172 173 rec->used = 0; 174 rec->len = 0; 175 free(rec->data, M_AUDITBSM); 176 free(rec, M_AUDITBSM); 177} 178 179/* 180 * XXX: May want turn some (or all) of these macros into functions in order 181 * to reduce the generated code size. 182 * 183 * XXXAUDIT: These macros assume that 'kar', 'ar', 'rec', and 'tok' in the 184 * caller are OK with this. 185 */ 186#define ATFD1_TOKENS(argnum) do { \ 187 if (ARG_IS_VALID(kar, ARG_ATFD1)) { \ 188 tok = au_to_arg32(argnum, "at fd 1", ar->ar_arg_atfd1); \ 189 kau_write(rec, tok); \ 190 } \ 191} while (0) 192 193#define ATFD2_TOKENS(argnum) do { \ 194 if (ARG_IS_VALID(kar, ARG_ATFD2)) { \ 195 tok = au_to_arg32(argnum, "at fd 2", ar->ar_arg_atfd2); \ 196 kau_write(rec, tok); \ 197 } \ 198} while (0) 199 200#define UPATH1_TOKENS do { \ 201 if (ARG_IS_VALID(kar, ARG_UPATH1)) { \ 202 tok = au_to_path(ar->ar_arg_upath1); \ 203 kau_write(rec, tok); \ 204 } \ 205} while (0) 206 207#define UPATH2_TOKENS do { \ 208 if (ARG_IS_VALID(kar, ARG_UPATH2)) { \ 209 tok = au_to_path(ar->ar_arg_upath2); \ 210 kau_write(rec, tok); \ 211 } \ 212} while (0) 213 214#define VNODE1_TOKENS do { \ 215 if (ARG_IS_VALID(kar, ARG_ATFD)) { \ 216 tok = au_to_arg32(1, "at fd", ar->ar_arg_atfd); \ 217 kau_write(rec, tok); \ 218 } \ 219 if (ARG_IS_VALID(kar, ARG_VNODE1)) { \ 220 tok = au_to_attr32(&ar->ar_arg_vnode1); \ 221 kau_write(rec, tok); \ 222 } \ 223} while (0) 224 225#define UPATH1_VNODE1_TOKENS do { \ 226 if (ARG_IS_VALID(kar, ARG_UPATH1)) { \ 227 UPATH1_TOKENS; \ 228 } \ 229 if (ARG_IS_VALID(kar, ARG_VNODE1)) { \ 230 tok = au_to_attr32(&ar->ar_arg_vnode1); \ 231 kau_write(rec, tok); \ 232 } \ 233} while (0) 234 235#define VNODE2_TOKENS do { \ 236 if (ARG_IS_VALID(kar, ARG_VNODE2)) { \ 237 tok = au_to_attr32(&ar->ar_arg_vnode2); \ 238 kau_write(rec, tok); \ 239 } \ 240} while (0) 241 242#define FD_VNODE1_TOKENS do { \ 243 if (ARG_IS_VALID(kar, ARG_VNODE1)) { \ 244 if (ARG_IS_VALID(kar, ARG_FD)) { \ 245 tok = au_to_arg32(1, "fd", ar->ar_arg_fd); \ 246 kau_write(rec, tok); \ 247 } \ 248 tok = au_to_attr32(&ar->ar_arg_vnode1); \ 249 kau_write(rec, tok); \ 250 } else { \ 251 if (ARG_IS_VALID(kar, ARG_FD)) { \ 252 tok = au_to_arg32(1, "non-file: fd", \ 253 ar->ar_arg_fd); \ 254 kau_write(rec, tok); \ 255 } \ 256 } \ 257} while (0) 258 259#define PROCESS_PID_TOKENS(argn) do { \ 260 if ((ar->ar_arg_pid > 0) /* Reference a single process */ \ 261 && (ARG_IS_VALID(kar, ARG_PROCESS))) { \ 262 tok = au_to_process32_ex(ar->ar_arg_auid, \ 263 ar->ar_arg_euid, ar->ar_arg_egid, \ 264 ar->ar_arg_ruid, ar->ar_arg_rgid, \ 265 ar->ar_arg_pid, ar->ar_arg_asid, \ 266 &ar->ar_arg_termid_addr); \ 267 kau_write(rec, tok); \ 268 } else if (ARG_IS_VALID(kar, ARG_PID)) { \ 269 tok = au_to_arg32(argn, "process", ar->ar_arg_pid); \ 270 kau_write(rec, tok); \ 271 } \ 272} while (0) 273 274#define EXTATTR_TOKENS(namespace_argnum) do { \ 275 if (ARG_IS_VALID(kar, ARG_VALUE)) { \ 276 switch (ar->ar_arg_value) { \ 277 case EXTATTR_NAMESPACE_USER: \ 278 tok = au_to_text(EXTATTR_NAMESPACE_USER_STRING);\ 279 break; \ 280 case EXTATTR_NAMESPACE_SYSTEM: \ 281 tok = au_to_text(EXTATTR_NAMESPACE_SYSTEM_STRING);\ 282 break; \ 283 default: \ 284 tok = au_to_arg32((namespace_argnum), \ 285 "attrnamespace", ar->ar_arg_value); \ 286 break; \ 287 } \ 288 kau_write(rec, tok); \ 289 } \ 290 /* attrname is in the text field */ \ 291 if (ARG_IS_VALID(kar, ARG_TEXT)) { \ 292 tok = au_to_text(ar->ar_arg_text); \ 293 kau_write(rec, tok); \ 294 } \ 295} while (0) 296 297/* 298 * Not all pointer arguments to system calls are of interest, but in some 299 * cases they reflect delegation of rights, such as mmap(2) followed by 300 * minherit(2) before execve(2), so do the best we can. 301 */ 302#define ADDR_TOKEN(argnum, argname) do { \ 303 if (ARG_IS_VALID(kar, ARG_ADDR)) { \ 304 if (sizeof(void *) == sizeof(uint32_t)) \ 305 tok = au_to_arg32((argnum), (argname), \ 306 (uint32_t)(uintptr_t)ar->ar_arg_addr); \ 307 else \ 308 tok = au_to_arg64((argnum), (argname), \ 309 (uint64_t)(uintptr_t)ar->ar_arg_addr); \ 310 kau_write(rec, tok); \ 311 } \ 312} while (0) 313 314 315/* 316 * Implement auditing for the auditon() system call. The audit tokens that 317 * are generated depend on the command that was sent into the auditon() 318 * system call. 319 */ 320static void 321audit_sys_auditon(struct audit_record *ar, struct au_record *rec) 322{ 323 struct au_token *tok; 324 325 tok = au_to_arg32(3, "length", ar->ar_arg_len); 326 kau_write(rec, tok); 327 switch (ar->ar_arg_cmd) { 328 case A_OLDSETPOLICY: 329 if ((size_t)ar->ar_arg_len == sizeof(int64_t)) { 330 tok = au_to_arg64(2, "policy", 331 ar->ar_arg_auditon.au_policy64); 332 kau_write(rec, tok); 333 break; 334 } 335 /* FALLTHROUGH */ 336 337 case A_SETPOLICY: 338 tok = au_to_arg32(2, "policy", ar->ar_arg_auditon.au_policy); 339 kau_write(rec, tok); 340 break; 341 342 case A_SETKMASK: 343 tok = au_to_arg32(2, "setkmask:as_success", 344 ar->ar_arg_auditon.au_mask.am_success); 345 kau_write(rec, tok); 346 tok = au_to_arg32(2, "setkmask:as_failure", 347 ar->ar_arg_auditon.au_mask.am_failure); 348 kau_write(rec, tok); 349 break; 350 351 case A_OLDSETQCTRL: 352 if ((size_t)ar->ar_arg_len == sizeof(au_qctrl64_t)) { 353 tok = au_to_arg64(2, "setqctrl:aq_hiwater", 354 ar->ar_arg_auditon.au_qctrl64.aq64_hiwater); 355 kau_write(rec, tok); 356 tok = au_to_arg64(2, "setqctrl:aq_lowater", 357 ar->ar_arg_auditon.au_qctrl64.aq64_lowater); 358 kau_write(rec, tok); 359 tok = au_to_arg64(2, "setqctrl:aq_bufsz", 360 ar->ar_arg_auditon.au_qctrl64.aq64_bufsz); 361 kau_write(rec, tok); 362 tok = au_to_arg64(2, "setqctrl:aq_delay", 363 ar->ar_arg_auditon.au_qctrl64.aq64_delay); 364 kau_write(rec, tok); 365 tok = au_to_arg64(2, "setqctrl:aq_minfree", 366 ar->ar_arg_auditon.au_qctrl64.aq64_minfree); 367 kau_write(rec, tok); 368 break; 369 } 370 /* FALLTHROUGH */ 371 372 case A_SETQCTRL: 373 tok = au_to_arg32(2, "setqctrl:aq_hiwater", 374 ar->ar_arg_auditon.au_qctrl.aq_hiwater); 375 kau_write(rec, tok); 376 tok = au_to_arg32(2, "setqctrl:aq_lowater", 377 ar->ar_arg_auditon.au_qctrl.aq_lowater); 378 kau_write(rec, tok); 379 tok = au_to_arg32(2, "setqctrl:aq_bufsz", 380 ar->ar_arg_auditon.au_qctrl.aq_bufsz); 381 kau_write(rec, tok); 382 tok = au_to_arg32(2, "setqctrl:aq_delay", 383 ar->ar_arg_auditon.au_qctrl.aq_delay); 384 kau_write(rec, tok); 385 tok = au_to_arg32(2, "setqctrl:aq_minfree", 386 ar->ar_arg_auditon.au_qctrl.aq_minfree); 387 kau_write(rec, tok); 388 break; 389 390 case A_SETUMASK: 391 tok = au_to_arg32(2, "setumask:as_success", 392 ar->ar_arg_auditon.au_auinfo.ai_mask.am_success); 393 kau_write(rec, tok); 394 tok = au_to_arg32(2, "setumask:as_failure", 395 ar->ar_arg_auditon.au_auinfo.ai_mask.am_failure); 396 kau_write(rec, tok); 397 break; 398 399 case A_SETSMASK: 400 tok = au_to_arg32(2, "setsmask:as_success", 401 ar->ar_arg_auditon.au_auinfo.ai_mask.am_success); 402 kau_write(rec, tok); 403 tok = au_to_arg32(2, "setsmask:as_failure", 404 ar->ar_arg_auditon.au_auinfo.ai_mask.am_failure); 405 kau_write(rec, tok); 406 break; 407 408 case A_OLDSETCOND: 409 if ((size_t)ar->ar_arg_len == sizeof(int64_t)) { 410 tok = au_to_arg64(2, "setcond", 411 ar->ar_arg_auditon.au_cond64); 412 kau_write(rec, tok); 413 break; 414 } 415 /* FALLTHROUGH */ 416 417 case A_SETCOND: 418 tok = au_to_arg32(2, "setcond", ar->ar_arg_auditon.au_cond); 419 kau_write(rec, tok); 420 break; 421 422 case A_SETCLASS: 423 kau_write(rec, tok); 424 tok = au_to_arg32(2, "setclass:ec_event", 425 ar->ar_arg_auditon.au_evclass.ec_number); 426 kau_write(rec, tok); 427 tok = au_to_arg32(2, "setclass:ec_class", 428 ar->ar_arg_auditon.au_evclass.ec_class); 429 kau_write(rec, tok); 430 break; 431 432 case A_SETPMASK: 433 tok = au_to_arg32(2, "setpmask:as_success", 434 ar->ar_arg_auditon.au_aupinfo.ap_mask.am_success); 435 kau_write(rec, tok); 436 tok = au_to_arg32(2, "setpmask:as_failure", 437 ar->ar_arg_auditon.au_aupinfo.ap_mask.am_failure); 438 kau_write(rec, tok); 439 break; 440 441 case A_SETFSIZE: 442 tok = au_to_arg32(2, "setfsize:filesize", 443 ar->ar_arg_auditon.au_fstat.af_filesz); 444 kau_write(rec, tok); 445 break; 446 447 default: 448 break; 449 } 450} 451 452/* 453 * Convert an internal kernel audit record to a BSM record and return a 454 * success/failure indicator. The BSM record is passed as an out parameter to 455 * this function. 456 * 457 * Return conditions: 458 * BSM_SUCCESS: The BSM record is valid 459 * BSM_FAILURE: Failure; the BSM record is NULL. 460 * BSM_NOAUDIT: The event is not auditable for BSM; the BSM record is NULL. 461 */ 462int 463kaudit_to_bsm(struct kaudit_record *kar, struct au_record **pau) 464{ 465 struct au_token *tok, *subj_tok; 466 struct au_record *rec; 467 au_tid_t tid; 468 struct audit_record *ar; 469 int ctr; 470 471 KASSERT(kar != NULL, ("kaudit_to_bsm: kar == NULL")); 472 473 *pau = NULL; 474 ar = &kar->k_ar; 475 rec = kau_open(); 476 477 /* 478 * Create the subject token. 479 */ 480 switch (ar->ar_subj_term_addr.at_type) { 481 case AU_IPv4: 482 tid.port = ar->ar_subj_term_addr.at_port; 483 tid.machine = ar->ar_subj_term_addr.at_addr[0]; 484 subj_tok = au_to_subject32(ar->ar_subj_auid, /* audit ID */ 485 ar->ar_subj_cred.cr_uid, /* eff uid */ 486 ar->ar_subj_egid, /* eff group id */ 487 ar->ar_subj_ruid, /* real uid */ 488 ar->ar_subj_rgid, /* real group id */ 489 ar->ar_subj_pid, /* process id */ 490 ar->ar_subj_asid, /* session ID */ 491 &tid); 492 break; 493 case AU_IPv6: 494 subj_tok = au_to_subject32_ex(ar->ar_subj_auid, 495 ar->ar_subj_cred.cr_uid, 496 ar->ar_subj_egid, 497 ar->ar_subj_ruid, 498 ar->ar_subj_rgid, 499 ar->ar_subj_pid, 500 ar->ar_subj_asid, 501 &ar->ar_subj_term_addr); 502 break; 503 default: 504 bzero(&tid, sizeof(tid)); 505 subj_tok = au_to_subject32(ar->ar_subj_auid, 506 ar->ar_subj_cred.cr_uid, 507 ar->ar_subj_egid, 508 ar->ar_subj_ruid, 509 ar->ar_subj_rgid, 510 ar->ar_subj_pid, 511 ar->ar_subj_asid, 512 &tid); 513 } 514 515 /* 516 * The logic inside each case fills in the tokens required for the 517 * event, except for the header, trailer, and return tokens. The 518 * header and trailer tokens are added by the kau_close() function. 519 * The return token is added outside of the switch statement. 520 */ 521 switch(ar->ar_event) { 522 case AUE_ACCEPT: 523 case AUE_BIND: 524 case AUE_LISTEN: 525 case AUE_CONNECT: 526 case AUE_RECV: 527 case AUE_RECVFROM: 528 case AUE_RECVMSG: 529 case AUE_SEND: 530 case AUE_SENDFILE: 531 case AUE_SENDMSG: 532 case AUE_SENDTO: 533 /* 534 * Socket-related events. 535 */ 536 if (ARG_IS_VALID(kar, ARG_FD)) { 537 tok = au_to_arg32(1, "fd", ar->ar_arg_fd); 538 kau_write(rec, tok); 539 } 540 if (ARG_IS_VALID(kar, ARG_SADDRINET)) { 541 tok = au_to_sock_inet((struct sockaddr_in *) 542 &ar->ar_arg_sockaddr); 543 kau_write(rec, tok); 544 } 545 if (ARG_IS_VALID(kar, ARG_SADDRUNIX)) { 546 tok = au_to_sock_unix((struct sockaddr_un *) 547 &ar->ar_arg_sockaddr); 548 kau_write(rec, tok); 549 UPATH1_TOKENS; 550 } 551 /* XXX Need to handle ARG_SADDRINET6 */ 552 break; 553 554 case AUE_SOCKET: 555 case AUE_SOCKETPAIR: 556 if (ARG_IS_VALID(kar, ARG_SOCKINFO)) { 557 tok = au_to_arg32(1, "domain", 558 ar->ar_arg_sockinfo.so_domain); 559 kau_write(rec, tok); 560 tok = au_to_arg32(2, "type", 561 ar->ar_arg_sockinfo.so_type); 562 kau_write(rec, tok); 563 tok = au_to_arg32(3, "protocol", 564 ar->ar_arg_sockinfo.so_protocol); 565 kau_write(rec, tok); 566 } 567 break; 568 569 case AUE_SETSOCKOPT: 570 case AUE_SHUTDOWN: 571 if (ARG_IS_VALID(kar, ARG_FD)) { 572 tok = au_to_arg32(1, "fd", ar->ar_arg_fd); 573 kau_write(rec, tok); 574 } 575 break; 576 577 case AUE_ACCT: 578 if (ARG_IS_VALID(kar, ARG_UPATH1)) { 579 UPATH1_VNODE1_TOKENS; 580 } else { 581 tok = au_to_arg32(1, "accounting off", 0); 582 kau_write(rec, tok); 583 } 584 break; 585 586 case AUE_SETAUID: 587 if (ARG_IS_VALID(kar, ARG_AUID)) { 588 tok = au_to_arg32(2, "setauid", ar->ar_arg_auid); 589 kau_write(rec, tok); 590 } 591 break; 592 593 case AUE_SETAUDIT: 594 if (ARG_IS_VALID(kar, ARG_AUID) && 595 ARG_IS_VALID(kar, ARG_ASID) && 596 ARG_IS_VALID(kar, ARG_AMASK) && 597 ARG_IS_VALID(kar, ARG_TERMID)) { 598 tok = au_to_arg32(1, "setaudit:auid", 599 ar->ar_arg_auid); 600 kau_write(rec, tok); 601 tok = au_to_arg32(1, "setaudit:port", 602 ar->ar_arg_termid.port); 603 kau_write(rec, tok); 604 tok = au_to_arg32(1, "setaudit:machine", 605 ar->ar_arg_termid.machine); 606 kau_write(rec, tok); 607 tok = au_to_arg32(1, "setaudit:as_success", 608 ar->ar_arg_amask.am_success); 609 kau_write(rec, tok); 610 tok = au_to_arg32(1, "setaudit:as_failure", 611 ar->ar_arg_amask.am_failure); 612 kau_write(rec, tok); 613 tok = au_to_arg32(1, "setaudit:asid", 614 ar->ar_arg_asid); 615 kau_write(rec, tok); 616 } 617 break; 618 619 case AUE_SETAUDIT_ADDR: 620 if (ARG_IS_VALID(kar, ARG_AUID) && 621 ARG_IS_VALID(kar, ARG_ASID) && 622 ARG_IS_VALID(kar, ARG_AMASK) && 623 ARG_IS_VALID(kar, ARG_TERMID_ADDR)) { 624 tok = au_to_arg32(1, "setaudit_addr:auid", 625 ar->ar_arg_auid); 626 kau_write(rec, tok); 627 tok = au_to_arg32(1, "setaudit_addr:as_success", 628 ar->ar_arg_amask.am_success); 629 kau_write(rec, tok); 630 tok = au_to_arg32(1, "setaudit_addr:as_failure", 631 ar->ar_arg_amask.am_failure); 632 kau_write(rec, tok); 633 tok = au_to_arg32(1, "setaudit_addr:asid", 634 ar->ar_arg_asid); 635 kau_write(rec, tok); 636 tok = au_to_arg32(1, "setaudit_addr:type", 637 ar->ar_arg_termid_addr.at_type); 638 kau_write(rec, tok); 639 tok = au_to_arg32(1, "setaudit_addr:port", 640 ar->ar_arg_termid_addr.at_port); 641 kau_write(rec, tok); 642 if (ar->ar_arg_termid_addr.at_type == AU_IPv6) 643 tok = au_to_in_addr_ex((struct in6_addr *) 644 &ar->ar_arg_termid_addr.at_addr[0]); 645 if (ar->ar_arg_termid_addr.at_type == AU_IPv4) 646 tok = au_to_in_addr((struct in_addr *) 647 &ar->ar_arg_termid_addr.at_addr[0]); 648 kau_write(rec, tok); 649 } 650 break; 651 652 case AUE_AUDITON: 653 /* 654 * For AUDITON commands without own event, audit the cmd. 655 */ 656 if (ARG_IS_VALID(kar, ARG_CMD)) { 657 tok = au_to_arg32(1, "cmd", ar->ar_arg_cmd); 658 kau_write(rec, tok); 659 } 660 /* FALLTHROUGH */ 661 662 case AUE_AUDITON_GETCAR: 663 case AUE_AUDITON_GETCLASS: 664 case AUE_AUDITON_GETCOND: 665 case AUE_AUDITON_GETCWD: 666 case AUE_AUDITON_GETKMASK: 667 case AUE_AUDITON_GETSTAT: 668 case AUE_AUDITON_GPOLICY: 669 case AUE_AUDITON_GQCTRL: 670 case AUE_AUDITON_SETCLASS: 671 case AUE_AUDITON_SETCOND: 672 case AUE_AUDITON_SETKMASK: 673 case AUE_AUDITON_SETSMASK: 674 case AUE_AUDITON_SETSTAT: 675 case AUE_AUDITON_SETUMASK: 676 case AUE_AUDITON_SPOLICY: 677 case AUE_AUDITON_SQCTRL: 678 if (ARG_IS_VALID(kar, ARG_AUDITON)) 679 audit_sys_auditon(ar, rec); 680 break; 681 682 case AUE_AUDITCTL: 683 UPATH1_VNODE1_TOKENS; 684 break; 685 686 case AUE_EXIT: 687 if (ARG_IS_VALID(kar, ARG_EXIT)) { 688 tok = au_to_exit(ar->ar_arg_exitretval, 689 ar->ar_arg_exitstatus); 690 kau_write(rec, tok); 691 } 692 break; 693 694 case AUE_ADJTIME: 695 case AUE_CLOCK_SETTIME: 696 case AUE_AUDIT: 697 case AUE_DUP2: 698 case AUE_GETAUDIT: 699 case AUE_GETAUDIT_ADDR: 700 case AUE_GETAUID: 701 case AUE_GETCWD: 702 case AUE_GETFSSTAT: 703 case AUE_GETRESUID: 704 case AUE_GETRESGID: 705 case AUE_KQUEUE: 706 case AUE_MODLOAD: 707 case AUE_MODUNLOAD: 708 case AUE_MSGSYS: 709 case AUE_NTP_ADJTIME: 710 case AUE_PIPE: 711 case AUE_POSIX_OPENPT: 712 case AUE_PROFILE: 713 case AUE_RTPRIO: 714 case AUE_SEMSYS: 715 case AUE_SHMSYS: 716 case AUE_SETPGRP: 717 case AUE_SETRLIMIT: 718 case AUE_SETSID: 719 case AUE_SETTIMEOFDAY: 720 case AUE_SYSARCH: 721 722 /* 723 * Header, subject, and return tokens added at end. 724 */ 725 break; 726 727 case AUE_MKFIFO: 728 if (ARG_IS_VALID(kar, ARG_MODE)) { 729 tok = au_to_arg32(2, "mode", ar->ar_arg_mode); 730 kau_write(rec, tok); 731 } 732 /* FALLTHROUGH */ 733 734 case AUE_CHDIR: 735 case AUE_CHROOT: 736 case AUE_FSTATAT: 737 case AUE_FUTIMESAT: 738 case AUE_GETATTRLIST: 739 case AUE_JAIL: 740 case AUE_LUTIMES: 741 case AUE_NFS_GETFH: 742 case AUE_LSTAT: 743 case AUE_PATHCONF: 744 case AUE_READLINK: 745 case AUE_REVOKE: 746 case AUE_RMDIR: 747 case AUE_SEARCHFS: 748 case AUE_SETATTRLIST: 749 case AUE_STAT: 750 case AUE_STATFS: 751 case AUE_SWAPON: 752 case AUE_SWAPOFF: 753 case AUE_TRUNCATE: 754 case AUE_UNDELETE: 755 case AUE_UNLINK: 756 case AUE_UNLINKAT: 757 case AUE_UTIMES: 758 ATFD1_TOKENS(1); 759 UPATH1_VNODE1_TOKENS; 760 break; 761 762 case AUE_ACCESS: 763 case AUE_EACCESS: 764 UPATH1_VNODE1_TOKENS; 765 if (ARG_IS_VALID(kar, ARG_VALUE)) { 766 tok = au_to_arg32(2, "mode", ar->ar_arg_value); 767 kau_write(rec, tok); 768 } 769 break; 770 771 case AUE_FHSTATFS: 772 case AUE_FHOPEN: 773 case AUE_FHSTAT: 774 /* XXXRW: Need to audit vnode argument. */ 775 break; 776 777 case AUE_CHFLAGS: 778 case AUE_LCHFLAGS: 779 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 780 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); 781 kau_write(rec, tok); 782 } 783 UPATH1_VNODE1_TOKENS; 784 break; 785 786 case AUE_CHMOD: 787 case AUE_LCHMOD: 788 if (ARG_IS_VALID(kar, ARG_MODE)) { 789 tok = au_to_arg32(2, "new file mode", 790 ar->ar_arg_mode); 791 kau_write(rec, tok); 792 } 793 UPATH1_VNODE1_TOKENS; 794 break; 795 796 case AUE_FCHMODAT: 797 ATFD1_TOKENS(1); 798 if (ARG_IS_VALID(kar, ARG_MODE)) { 799 tok = au_to_arg32(3, "new file mode", 800 ar->ar_arg_mode); 801 kau_write(rec, tok); 802 } 803 UPATH1_VNODE1_TOKENS; 804 break; 805 806 case AUE_CHOWN: 807 case AUE_LCHOWN: 808 if (ARG_IS_VALID(kar, ARG_UID)) { 809 tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid); 810 kau_write(rec, tok); 811 } 812 if (ARG_IS_VALID(kar, ARG_GID)) { 813 tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid); 814 kau_write(rec, tok); 815 } 816 UPATH1_VNODE1_TOKENS; 817 break; 818 819 case AUE_FCHOWNAT: 820 ATFD1_TOKENS(1); 821 if (ARG_IS_VALID(kar, ARG_UID)) { 822 tok = au_to_arg32(3, "new file uid", ar->ar_arg_uid); 823 kau_write(rec, tok); 824 } 825 if (ARG_IS_VALID(kar, ARG_GID)) { 826 tok = au_to_arg32(4, "new file gid", ar->ar_arg_gid); 827 kau_write(rec, tok); 828 } 829 UPATH1_VNODE1_TOKENS; 830 break; 831 832 case AUE_EXCHANGEDATA: 833 UPATH1_VNODE1_TOKENS; 834 UPATH2_TOKENS; 835 break; 836 837 case AUE_CLOSE: 838 if (ARG_IS_VALID(kar, ARG_FD)) { 839 tok = au_to_arg32(1, "fd", ar->ar_arg_fd); 840 kau_write(rec, tok); 841 } 842 UPATH1_VNODE1_TOKENS; 843 break; 844 845 case AUE_CORE: 846 if (ARG_IS_VALID(kar, ARG_SIGNUM)) { 847 tok = au_to_arg32(1, "signal", ar->ar_arg_signum); 848 kau_write(rec, tok); 849 } 850 UPATH1_VNODE1_TOKENS; 851 break; 852 853 case AUE_EXTATTRCTL: 854 UPATH1_VNODE1_TOKENS; 855 if (ARG_IS_VALID(kar, ARG_CMD)) { 856 tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd); 857 kau_write(rec, tok); 858 } 859 /* extattrctl(2) filename parameter is in upath2/vnode2 */ 860 UPATH2_TOKENS; 861 VNODE2_TOKENS; 862 EXTATTR_TOKENS(4); 863 break; 864 865 case AUE_EXTATTR_GET_FILE: 866 case AUE_EXTATTR_SET_FILE: 867 case AUE_EXTATTR_LIST_FILE: 868 case AUE_EXTATTR_DELETE_FILE: 869 case AUE_EXTATTR_GET_LINK: 870 case AUE_EXTATTR_SET_LINK: 871 case AUE_EXTATTR_LIST_LINK: 872 case AUE_EXTATTR_DELETE_LINK: 873 UPATH1_VNODE1_TOKENS; 874 EXTATTR_TOKENS(2); 875 break; 876 877 case AUE_EXTATTR_GET_FD: 878 case AUE_EXTATTR_SET_FD: 879 case AUE_EXTATTR_LIST_FD: 880 case AUE_EXTATTR_DELETE_FD: 881 if (ARG_IS_VALID(kar, ARG_FD)) { 882 tok = au_to_arg32(2, "fd", ar->ar_arg_fd); 883 kau_write(rec, tok); 884 } 885 EXTATTR_TOKENS(2); 886 break; 887 888 case AUE_FEXECVE: 889 if (ARG_IS_VALID(kar, ARG_FD)) { 890 tok = au_to_arg32(1, "fd", ar->ar_arg_fd); 891 kau_write(rec, tok); 892 } 893 /* FALLTHROUGH */ 894 895 case AUE_EXECVE: 896 case AUE_MAC_EXECVE: 897 if (ARG_IS_VALID(kar, ARG_ARGV)) { 898 tok = au_to_exec_args(ar->ar_arg_argv, 899 ar->ar_arg_argc); 900 kau_write(rec, tok); 901 } 902 if (ARG_IS_VALID(kar, ARG_ENVV)) { 903 tok = au_to_exec_env(ar->ar_arg_envv, 904 ar->ar_arg_envc); 905 kau_write(rec, tok); 906 } 907 UPATH1_VNODE1_TOKENS; 908 break; 909 910 case AUE_FCHMOD: 911 if (ARG_IS_VALID(kar, ARG_MODE)) { 912 tok = au_to_arg32(2, "new file mode", 913 ar->ar_arg_mode); 914 kau_write(rec, tok); 915 } 916 FD_VNODE1_TOKENS; 917 break; 918 919 /* 920 * XXXRW: Some of these need to handle non-vnode cases as well. 921 */ 922 case AUE_FCHDIR: 923 case AUE_FPATHCONF: 924 case AUE_FSTAT: 925 case AUE_FSTATFS: 926 case AUE_FSYNC: 927 case AUE_FTRUNCATE: 928 case AUE_FUTIMES: 929 case AUE_GETDIRENTRIES: 930 case AUE_GETDIRENTRIESATTR: 931 case AUE_LSEEK: 932 case AUE_POLL: 933 case AUE_READ: 934 case AUE_READV: 935 case AUE_WRITE: 936 case AUE_WRITEV: 937 FD_VNODE1_TOKENS; 938 break; 939 940 case AUE_FCHOWN: 941 if (ARG_IS_VALID(kar, ARG_UID)) { 942 tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid); 943 kau_write(rec, tok); 944 } 945 if (ARG_IS_VALID(kar, ARG_GID)) { 946 tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid); 947 kau_write(rec, tok); 948 } 949 FD_VNODE1_TOKENS; 950 break; 951 952 case AUE_FCNTL: 953 if (ARG_IS_VALID(kar, ARG_CMD)) { 954 tok = au_to_arg32(2, "cmd", 955 au_fcntl_cmd_to_bsm(ar->ar_arg_cmd)); 956 kau_write(rec, tok); 957 } 958 if (ar->ar_arg_cmd == F_GETLK || ar->ar_arg_cmd == F_SETLK || 959 ar->ar_arg_cmd == F_SETLKW) { 960 FD_VNODE1_TOKENS; 961 } 962 break; 963 964 case AUE_FCHFLAGS: 965 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 966 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); 967 kau_write(rec, tok); 968 } 969 FD_VNODE1_TOKENS; 970 break; 971 972 case AUE_FLOCK: 973 if (ARG_IS_VALID(kar, ARG_CMD)) { 974 tok = au_to_arg32(2, "operation", ar->ar_arg_cmd); 975 kau_write(rec, tok); 976 } 977 FD_VNODE1_TOKENS; 978 break; 979 980 case AUE_RFORK: 981 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 982 tok = au_to_arg32(1, "flags", ar->ar_arg_fflags); 983 kau_write(rec, tok); 984 } 985 /* FALLTHROUGH */ 986 987 case AUE_FORK: 988 case AUE_VFORK: 989 if (ARG_IS_VALID(kar, ARG_PID)) { 990 tok = au_to_arg32(0, "child PID", ar->ar_arg_pid); 991 kau_write(rec, tok); 992 } 993 break; 994 995 case AUE_IOCTL: 996 if (ARG_IS_VALID(kar, ARG_CMD)) { 997 tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd); 998 kau_write(rec, tok); 999 } 1000 if (ARG_IS_VALID(kar, ARG_VNODE1)) 1001 FD_VNODE1_TOKENS; 1002 else { 1003 if (ARG_IS_VALID(kar, ARG_SOCKINFO)) { 1004 tok = kau_to_socket(&ar->ar_arg_sockinfo); 1005 kau_write(rec, tok); 1006 } else { 1007 if (ARG_IS_VALID(kar, ARG_FD)) { 1008 tok = au_to_arg32(1, "fd", 1009 ar->ar_arg_fd); 1010 kau_write(rec, tok); 1011 } 1012 } 1013 } 1014 break; 1015 1016 case AUE_KILL: 1017 case AUE_KILLPG: 1018 if (ARG_IS_VALID(kar, ARG_SIGNUM)) { 1019 tok = au_to_arg32(2, "signal", ar->ar_arg_signum); 1020 kau_write(rec, tok); 1021 } 1022 PROCESS_PID_TOKENS(1); 1023 break; 1024 1025 case AUE_KTRACE: 1026 if (ARG_IS_VALID(kar, ARG_CMD)) { 1027 tok = au_to_arg32(2, "ops", ar->ar_arg_cmd); 1028 kau_write(rec, tok); 1029 } 1030 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1031 tok = au_to_arg32(3, "trpoints", ar->ar_arg_value); 1032 kau_write(rec, tok); 1033 } 1034 PROCESS_PID_TOKENS(4); 1035 UPATH1_VNODE1_TOKENS; 1036 break; 1037 1038 case AUE_LINK: 1039 case AUE_LINKAT: 1040 case AUE_RENAME: 1041 case AUE_RENAMEAT: 1042 ATFD1_TOKENS(1); 1043 UPATH1_VNODE1_TOKENS; 1044 ATFD2_TOKENS(3); 1045 UPATH2_TOKENS; 1046 break; 1047 1048 case AUE_LOADSHFILE: 1049 ADDR_TOKEN(4, "base addr"); 1050 UPATH1_VNODE1_TOKENS; 1051 break; 1052 1053 case AUE_MKDIR: 1054 if (ARG_IS_VALID(kar, ARG_MODE)) { 1055 tok = au_to_arg32(2, "mode", ar->ar_arg_mode); 1056 kau_write(rec, tok); 1057 } 1058 UPATH1_VNODE1_TOKENS; 1059 break; 1060 1061 case AUE_MKNOD: 1062 if (ARG_IS_VALID(kar, ARG_MODE)) { 1063 tok = au_to_arg32(2, "mode", ar->ar_arg_mode); 1064 kau_write(rec, tok); 1065 } 1066 if (ARG_IS_VALID(kar, ARG_DEV)) { 1067 tok = au_to_arg32(3, "dev", ar->ar_arg_dev); 1068 kau_write(rec, tok); 1069 } 1070 UPATH1_VNODE1_TOKENS; 1071 break; 1072 1073 case AUE_MMAP: 1074 case AUE_MUNMAP: 1075 case AUE_MPROTECT: 1076 case AUE_MLOCK: 1077 case AUE_MUNLOCK: 1078 case AUE_MINHERIT: 1079 ADDR_TOKEN(1, "addr"); 1080 if (ARG_IS_VALID(kar, ARG_LEN)) { 1081 tok = au_to_arg32(2, "len", ar->ar_arg_len); 1082 kau_write(rec, tok); 1083 } 1084 if (ar->ar_event == AUE_MMAP) 1085 FD_VNODE1_TOKENS; 1086 if (ar->ar_event == AUE_MPROTECT) { 1087 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1088 tok = au_to_arg32(3, "protection", 1089 ar->ar_arg_value); 1090 kau_write(rec, tok); 1091 } 1092 } 1093 if (ar->ar_event == AUE_MINHERIT) { 1094 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1095 tok = au_to_arg32(3, "inherit", 1096 ar->ar_arg_value); 1097 kau_write(rec, tok); 1098 } 1099 } 1100 break; 1101 1102 case AUE_MOUNT: 1103 case AUE_NMOUNT: 1104 /* XXX Need to handle NFS mounts */ 1105 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 1106 tok = au_to_arg32(3, "flags", ar->ar_arg_fflags); 1107 kau_write(rec, tok); 1108 } 1109 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1110 tok = au_to_text(ar->ar_arg_text); 1111 kau_write(rec, tok); 1112 } 1113 /* FALLTHROUGH */ 1114 1115 case AUE_NFS_SVC: 1116 if (ARG_IS_VALID(kar, ARG_CMD)) { 1117 tok = au_to_arg32(1, "flags", ar->ar_arg_cmd); 1118 kau_write(rec, tok); 1119 } 1120 break; 1121 1122 case AUE_UMOUNT: 1123 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1124 tok = au_to_arg32(2, "flags", ar->ar_arg_value); 1125 kau_write(rec, tok); 1126 } 1127 UPATH1_VNODE1_TOKENS; 1128 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1129 tok = au_to_text(ar->ar_arg_text); 1130 kau_write(rec, tok); 1131 } 1132 break; 1133 1134 case AUE_MSGCTL: 1135 ar->ar_event = audit_msgctl_to_event(ar->ar_arg_svipc_cmd); 1136 /* Fall through */ 1137 1138 case AUE_MSGRCV: 1139 case AUE_MSGSND: 1140 tok = au_to_arg32(1, "msg ID", ar->ar_arg_svipc_id); 1141 kau_write(rec, tok); 1142 if (ar->ar_errno != EINVAL) { 1143 tok = au_to_ipc(AT_IPC_MSG, ar->ar_arg_svipc_id); 1144 kau_write(rec, tok); 1145 } 1146 break; 1147 1148 case AUE_MSGGET: 1149 if (ar->ar_errno == 0) { 1150 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 1151 tok = au_to_ipc(AT_IPC_MSG, 1152 ar->ar_arg_svipc_id); 1153 kau_write(rec, tok); 1154 } 1155 } 1156 break; 1157 1158 case AUE_RESETSHFILE: 1159 ADDR_TOKEN(1, "base addr"); 1160 break; 1161 1162 case AUE_OPEN_RC: 1163 case AUE_OPEN_RTC: 1164 case AUE_OPEN_RWC: 1165 case AUE_OPEN_RWTC: 1166 case AUE_OPEN_WC: 1167 case AUE_OPEN_WTC: 1168 case AUE_CREAT: 1169 if (ARG_IS_VALID(kar, ARG_MODE)) { 1170 tok = au_to_arg32(3, "mode", ar->ar_arg_mode); 1171 kau_write(rec, tok); 1172 } 1173 /* FALLTHROUGH */ 1174 1175 case AUE_OPEN_R: 1176 case AUE_OPEN_RT: 1177 case AUE_OPEN_RW: 1178 case AUE_OPEN_RWT: 1179 case AUE_OPEN_W: 1180 case AUE_OPEN_WT: 1181 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 1182 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); 1183 kau_write(rec, tok); 1184 } 1185 UPATH1_VNODE1_TOKENS; 1186 break; 1187 1188 case AUE_OPENAT_RC: 1189 case AUE_OPENAT_RTC: 1190 case AUE_OPENAT_RWC: 1191 case AUE_OPENAT_RWTC: 1192 case AUE_OPENAT_WC: 1193 case AUE_OPENAT_WTC: 1194 if (ARG_IS_VALID(kar, ARG_MODE)) { 1195 tok = au_to_arg32(3, "mode", ar->ar_arg_mode); 1196 kau_write(rec, tok); 1197 } 1198 /* FALLTHROUGH */ 1199 1200 case AUE_OPENAT_R: 1201 case AUE_OPENAT_RT: 1202 case AUE_OPENAT_RW: 1203 case AUE_OPENAT_RWT: 1204 case AUE_OPENAT_W: 1205 case AUE_OPENAT_WT: 1206 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 1207 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); 1208 kau_write(rec, tok); 1209 } 1210 ATFD1_TOKENS(1); 1211 UPATH1_VNODE1_TOKENS; 1212 break; 1213 1214 case AUE_PTRACE: 1215 if (ARG_IS_VALID(kar, ARG_CMD)) { 1216 tok = au_to_arg32(1, "request", ar->ar_arg_cmd); 1217 kau_write(rec, tok); 1218 } 1219 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1220 tok = au_to_arg32(4, "data", ar->ar_arg_value); 1221 kau_write(rec, tok); 1222 } 1223 PROCESS_PID_TOKENS(2); 1224 break; 1225 1226 case AUE_QUOTACTL: 1227 if (ARG_IS_VALID(kar, ARG_CMD)) { 1228 tok = au_to_arg32(2, "command", ar->ar_arg_cmd); 1229 kau_write(rec, tok); 1230 } 1231 if (ARG_IS_VALID(kar, ARG_UID)) { 1232 tok = au_to_arg32(3, "uid", ar->ar_arg_uid); 1233 kau_write(rec, tok); 1234 } 1235 if (ARG_IS_VALID(kar, ARG_GID)) { 1236 tok = au_to_arg32(3, "gid", ar->ar_arg_gid); 1237 kau_write(rec, tok); 1238 } 1239 UPATH1_VNODE1_TOKENS; 1240 break; 1241 1242 case AUE_REBOOT: 1243 if (ARG_IS_VALID(kar, ARG_CMD)) { 1244 tok = au_to_arg32(1, "howto", ar->ar_arg_cmd); 1245 kau_write(rec, tok); 1246 } 1247 break; 1248 1249 case AUE_SEMCTL: 1250 ar->ar_event = audit_semctl_to_event(ar->ar_arg_svipc_cmd); 1251 /* Fall through */ 1252 1253 case AUE_SEMOP: 1254 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 1255 tok = au_to_arg32(1, "sem ID", ar->ar_arg_svipc_id); 1256 kau_write(rec, tok); 1257 if (ar->ar_errno != EINVAL) { 1258 tok = au_to_ipc(AT_IPC_SEM, 1259 ar->ar_arg_svipc_id); 1260 kau_write(rec, tok); 1261 } 1262 } 1263 break; 1264 1265 case AUE_SEMGET: 1266 if (ar->ar_errno == 0) { 1267 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 1268 tok = au_to_ipc(AT_IPC_SEM, 1269 ar->ar_arg_svipc_id); 1270 kau_write(rec, tok); 1271 } 1272 } 1273 break; 1274 1275 case AUE_SETEGID: 1276 if (ARG_IS_VALID(kar, ARG_EGID)) { 1277 tok = au_to_arg32(1, "egid", ar->ar_arg_egid); 1278 kau_write(rec, tok); 1279 } 1280 break; 1281 1282 case AUE_SETEUID: 1283 if (ARG_IS_VALID(kar, ARG_EUID)) { 1284 tok = au_to_arg32(1, "euid", ar->ar_arg_euid); 1285 kau_write(rec, tok); 1286 } 1287 break; 1288 1289 case AUE_SETREGID: 1290 if (ARG_IS_VALID(kar, ARG_RGID)) { 1291 tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid); 1292 kau_write(rec, tok); 1293 } 1294 if (ARG_IS_VALID(kar, ARG_EGID)) { 1295 tok = au_to_arg32(2, "egid", ar->ar_arg_egid); 1296 kau_write(rec, tok); 1297 } 1298 break; 1299 1300 case AUE_SETREUID: 1301 if (ARG_IS_VALID(kar, ARG_RUID)) { 1302 tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid); 1303 kau_write(rec, tok); 1304 } 1305 if (ARG_IS_VALID(kar, ARG_EUID)) { 1306 tok = au_to_arg32(2, "euid", ar->ar_arg_euid); 1307 kau_write(rec, tok); 1308 } 1309 break; 1310 1311 case AUE_SETRESGID: 1312 if (ARG_IS_VALID(kar, ARG_RGID)) { 1313 tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid); 1314 kau_write(rec, tok); 1315 } 1316 if (ARG_IS_VALID(kar, ARG_EGID)) { 1317 tok = au_to_arg32(2, "egid", ar->ar_arg_egid); 1318 kau_write(rec, tok); 1319 } 1320 if (ARG_IS_VALID(kar, ARG_SGID)) { 1321 tok = au_to_arg32(3, "sgid", ar->ar_arg_sgid); 1322 kau_write(rec, tok); 1323 } 1324 break; 1325 1326 case AUE_SETRESUID: 1327 if (ARG_IS_VALID(kar, ARG_RUID)) { 1328 tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid); 1329 kau_write(rec, tok); 1330 } 1331 if (ARG_IS_VALID(kar, ARG_EUID)) { 1332 tok = au_to_arg32(2, "euid", ar->ar_arg_euid); 1333 kau_write(rec, tok); 1334 } 1335 if (ARG_IS_VALID(kar, ARG_SUID)) { 1336 tok = au_to_arg32(3, "suid", ar->ar_arg_suid); 1337 kau_write(rec, tok); 1338 } 1339 break; 1340 1341 case AUE_SETGID: 1342 if (ARG_IS_VALID(kar, ARG_GID)) { 1343 tok = au_to_arg32(1, "gid", ar->ar_arg_gid); 1344 kau_write(rec, tok); 1345 } 1346 break; 1347 1348 case AUE_SETUID: 1349 if (ARG_IS_VALID(kar, ARG_UID)) { 1350 tok = au_to_arg32(1, "uid", ar->ar_arg_uid); 1351 kau_write(rec, tok); 1352 } 1353 break; 1354 1355 case AUE_SETGROUPS: 1356 if (ARG_IS_VALID(kar, ARG_GROUPSET)) { 1357 for(ctr = 0; ctr < ar->ar_arg_groups.gidset_size; ctr++) 1358 { 1359 tok = au_to_arg32(1, "setgroups", 1360 ar->ar_arg_groups.gidset[ctr]); 1361 kau_write(rec, tok); 1362 } 1363 } 1364 break; 1365 1366 case AUE_SETLOGIN: 1367 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1368 tok = au_to_text(ar->ar_arg_text); 1369 kau_write(rec, tok); 1370 } 1371 break; 1372 1373 case AUE_SETPRIORITY: 1374 if (ARG_IS_VALID(kar, ARG_CMD)) { 1375 tok = au_to_arg32(1, "which", ar->ar_arg_cmd); 1376 kau_write(rec, tok); 1377 } 1378 if (ARG_IS_VALID(kar, ARG_UID)) { 1379 tok = au_to_arg32(2, "who", ar->ar_arg_uid); 1380 kau_write(rec, tok); 1381 } 1382 PROCESS_PID_TOKENS(2); 1383 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1384 tok = au_to_arg32(3, "priority", ar->ar_arg_value); 1385 kau_write(rec, tok); 1386 } 1387 break; 1388 1389 case AUE_SETPRIVEXEC: 1390 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1391 tok = au_to_arg32(1, "flag", ar->ar_arg_value); 1392 kau_write(rec, tok); 1393 } 1394 break; 1395 1396 /* AUE_SHMAT, AUE_SHMCTL, AUE_SHMDT and AUE_SHMGET are SysV IPC */ 1397 case AUE_SHMAT: 1398 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 1399 tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id); 1400 kau_write(rec, tok); 1401 /* XXXAUDIT: Does having the ipc token make sense? */ 1402 tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id); 1403 kau_write(rec, tok); 1404 } 1405 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) { 1406 tok = au_to_arg32(2, "shmaddr", 1407 (int)(uintptr_t)ar->ar_arg_svipc_addr); 1408 kau_write(rec, tok); 1409 } 1410 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) { 1411 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm); 1412 kau_write(rec, tok); 1413 } 1414 break; 1415 1416 case AUE_SHMCTL: 1417 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 1418 tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id); 1419 kau_write(rec, tok); 1420 /* XXXAUDIT: Does having the ipc token make sense? */ 1421 tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id); 1422 kau_write(rec, tok); 1423 } 1424 switch (ar->ar_arg_svipc_cmd) { 1425 case IPC_STAT: 1426 ar->ar_event = AUE_SHMCTL_STAT; 1427 break; 1428 case IPC_RMID: 1429 ar->ar_event = AUE_SHMCTL_RMID; 1430 break; 1431 case IPC_SET: 1432 ar->ar_event = AUE_SHMCTL_SET; 1433 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) { 1434 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm); 1435 kau_write(rec, tok); 1436 } 1437 break; 1438 default: 1439 break; /* We will audit a bad command */ 1440 } 1441 break; 1442 1443 case AUE_SHMDT: 1444 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) { 1445 tok = au_to_arg32(1, "shmaddr", 1446 (int)(uintptr_t)ar->ar_arg_svipc_addr); 1447 kau_write(rec, tok); 1448 } 1449 break; 1450 1451 case AUE_SHMGET: 1452 /* This is unusual; the return value is in an argument token */ 1453 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { 1454 tok = au_to_arg32(0, "shmid", ar->ar_arg_svipc_id); 1455 kau_write(rec, tok); 1456 tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id); 1457 kau_write(rec, tok); 1458 } 1459 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) { 1460 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm); 1461 kau_write(rec, tok); 1462 } 1463 break; 1464 1465 /* AUE_SHMOPEN, AUE_SHMUNLINK, AUE_SEMOPEN, AUE_SEMCLOSE 1466 * and AUE_SEMUNLINK are Posix IPC */ 1467 case AUE_SHMOPEN: 1468 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) { 1469 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); 1470 kau_write(rec, tok); 1471 } 1472 if (ARG_IS_VALID(kar, ARG_MODE)) { 1473 tok = au_to_arg32(3, "mode", ar->ar_arg_mode); 1474 kau_write(rec, tok); 1475 } 1476 /* FALLTHROUGH */ 1477 1478 case AUE_SHMUNLINK: 1479 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1480 tok = au_to_text(ar->ar_arg_text); 1481 kau_write(rec, tok); 1482 } 1483 if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) { 1484 struct ipc_perm perm; 1485 1486 perm.uid = ar->ar_arg_pipc_perm.pipc_uid; 1487 perm.gid = ar->ar_arg_pipc_perm.pipc_gid; 1488 perm.cuid = ar->ar_arg_pipc_perm.pipc_uid; 1489 perm.cgid = ar->ar_arg_pipc_perm.pipc_gid; 1490 perm.mode = ar->ar_arg_pipc_perm.pipc_mode; 1491 perm.seq = 0; 1492 perm.key = 0; 1493 tok = au_to_ipc_perm(&perm); 1494 kau_write(rec, tok); 1495 } 1496 break; 1497 1498 case AUE_SEMOPEN: 1499 if (ARG_IS_VALID(kar, ARG_FFLAGS)) { 1500 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); 1501 kau_write(rec, tok); 1502 } 1503 if (ARG_IS_VALID(kar, ARG_MODE)) { 1504 tok = au_to_arg32(3, "mode", ar->ar_arg_mode); 1505 kau_write(rec, tok); 1506 } 1507 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1508 tok = au_to_arg32(4, "value", ar->ar_arg_value); 1509 kau_write(rec, tok); 1510 } 1511 /* FALLTHROUGH */ 1512 1513 case AUE_SEMUNLINK: 1514 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1515 tok = au_to_text(ar->ar_arg_text); 1516 kau_write(rec, tok); 1517 } 1518 if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) { 1519 struct ipc_perm perm; 1520 1521 perm.uid = ar->ar_arg_pipc_perm.pipc_uid; 1522 perm.gid = ar->ar_arg_pipc_perm.pipc_gid; 1523 perm.cuid = ar->ar_arg_pipc_perm.pipc_uid; 1524 perm.cgid = ar->ar_arg_pipc_perm.pipc_gid; 1525 perm.mode = ar->ar_arg_pipc_perm.pipc_mode; 1526 perm.seq = 0; 1527 perm.key = 0; 1528 tok = au_to_ipc_perm(&perm); 1529 kau_write(rec, tok); 1530 } 1531 break; 1532 1533 case AUE_SEMCLOSE: 1534 if (ARG_IS_VALID(kar, ARG_FD)) { 1535 tok = au_to_arg32(1, "sem", ar->ar_arg_fd); 1536 kau_write(rec, tok); 1537 } 1538 break; 1539 1540 case AUE_SYMLINK: 1541 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1542 tok = au_to_text(ar->ar_arg_text); 1543 kau_write(rec, tok); 1544 } 1545 UPATH1_VNODE1_TOKENS; 1546 break; 1547 1548 case AUE_SYSCTL: 1549 case AUE_SYSCTL_NONADMIN: 1550 if (ARG_IS_VALID(kar, ARG_CTLNAME | ARG_LEN)) { 1551 for (ctr = 0; ctr < ar->ar_arg_len; ctr++) { 1552 tok = au_to_arg32(1, "name", 1553 ar->ar_arg_ctlname[ctr]); 1554 kau_write(rec, tok); 1555 } 1556 } 1557 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1558 tok = au_to_arg32(5, "newval", ar->ar_arg_value); 1559 kau_write(rec, tok); 1560 } 1561 if (ARG_IS_VALID(kar, ARG_TEXT)) { 1562 tok = au_to_text(ar->ar_arg_text); 1563 kau_write(rec, tok); 1564 } 1565 break; 1566 1567 case AUE_UMASK: 1568 if (ARG_IS_VALID(kar, ARG_MASK)) { 1569 tok = au_to_arg32(1, "new mask", ar->ar_arg_mask); 1570 kau_write(rec, tok); 1571 } 1572 tok = au_to_arg32(0, "prev mask", ar->ar_retval); 1573 kau_write(rec, tok); 1574 break; 1575 1576 case AUE_WAIT4: 1577 PROCESS_PID_TOKENS(1); 1578 if (ARG_IS_VALID(kar, ARG_VALUE)) { 1579 tok = au_to_arg32(3, "options", ar->ar_arg_value); 1580 kau_write(rec, tok); 1581 } 1582 break; 1583 1584 case AUE_NULL: 1585 default: 1586 printf("BSM conversion requested for unknown event %d\n", 1587 ar->ar_event); 1588 1589 /* 1590 * Write the subject token so it is properly freed here. 1591 */ 1592 kau_write(rec, subj_tok); 1593 kau_free(rec); 1594 return (BSM_NOAUDIT); 1595 } 1596 1597 kau_write(rec, subj_tok); 1598 tok = au_to_return32(au_errno_to_bsm(ar->ar_errno), ar->ar_retval); 1599 kau_write(rec, tok); /* Every record gets a return token */ 1600 1601 kau_close(rec, &ar->ar_endtime, ar->ar_event); 1602 1603 *pau = rec; 1604 return (BSM_SUCCESS); 1605} 1606 1607/* 1608 * Verify that a record is a valid BSM record. This verification is simple 1609 * now, but may be expanded on sometime in the future. Return 1 if the 1610 * record is good, 0 otherwise. 1611 */ 1612int 1613bsm_rec_verify(void *rec) 1614{ 1615 char c = *(char *)rec; 1616 1617 /* 1618 * Check the token ID of the first token; it has to be a header 1619 * token. 1620 * 1621 * XXXAUDIT There needs to be a token structure to map a token. 1622 * XXXAUDIT 'Shouldn't be simply looking at the first char. 1623 */ 1624 if ((c != AUT_HEADER32) && (c != AUT_HEADER32_EX) && 1625 (c != AUT_HEADER64) && (c != AUT_HEADER64_EX)) 1626 return (0); 1627 return (1); 1628} 1629