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: releng/9.1/sys/security/audit/audit_bsm.c 224181 2011-07-18 12:58:18Z jonathan $");
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
57 MALLOC_DEFINE(M_AUDITBSM, "audit_bsm", "Audit BSM data");
58
59 static void audit_sys_auditon(struct audit_record *ar,
60 struct au_record *rec);
61
62 /*
63 * Initialize the BSM auditing subsystem.
64 */
65 void
66 kau_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 */
78 static struct au_record *
79 kau_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 */
95 static void
96 kau_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 */
109 static void
110 kau_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 */
161 void
162 kau_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 */
320 static void
321 audit_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 */
462 int
463 kaudit_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_LPATHCONF:
744 case AUE_PATHCONF:
745 case AUE_READLINK:
746 case AUE_REVOKE:
747 case AUE_RMDIR:
748 case AUE_SEARCHFS:
749 case AUE_SETATTRLIST:
750 case AUE_STAT:
751 case AUE_STATFS:
752 case AUE_SWAPON:
753 case AUE_SWAPOFF:
754 case AUE_TRUNCATE:
755 case AUE_UNDELETE:
756 case AUE_UNLINK:
757 case AUE_UNLINKAT:
758 case AUE_UTIMES:
759 ATFD1_TOKENS(1);
760 UPATH1_VNODE1_TOKENS;
761 break;
762
763 case AUE_ACCESS:
764 case AUE_EACCESS:
765 UPATH1_VNODE1_TOKENS;
766 if (ARG_IS_VALID(kar, ARG_VALUE)) {
767 tok = au_to_arg32(2, "mode", ar->ar_arg_value);
768 kau_write(rec, tok);
769 }
770 break;
771
772 case AUE_FHSTATFS:
773 case AUE_FHOPEN:
774 case AUE_FHSTAT:
775 /* XXXRW: Need to audit vnode argument. */
776 break;
777
778 case AUE_CHFLAGS:
779 case AUE_LCHFLAGS:
780 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
781 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
782 kau_write(rec, tok);
783 }
784 UPATH1_VNODE1_TOKENS;
785 break;
786
787 case AUE_CHMOD:
788 case AUE_LCHMOD:
789 if (ARG_IS_VALID(kar, ARG_MODE)) {
790 tok = au_to_arg32(2, "new file mode",
791 ar->ar_arg_mode);
792 kau_write(rec, tok);
793 }
794 UPATH1_VNODE1_TOKENS;
795 break;
796
797 case AUE_FCHMODAT:
798 ATFD1_TOKENS(1);
799 if (ARG_IS_VALID(kar, ARG_MODE)) {
800 tok = au_to_arg32(3, "new file mode",
801 ar->ar_arg_mode);
802 kau_write(rec, tok);
803 }
804 UPATH1_VNODE1_TOKENS;
805 break;
806
807 case AUE_CHOWN:
808 case AUE_LCHOWN:
809 if (ARG_IS_VALID(kar, ARG_UID)) {
810 tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid);
811 kau_write(rec, tok);
812 }
813 if (ARG_IS_VALID(kar, ARG_GID)) {
814 tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid);
815 kau_write(rec, tok);
816 }
817 UPATH1_VNODE1_TOKENS;
818 break;
819
820 case AUE_FCHOWNAT:
821 ATFD1_TOKENS(1);
822 if (ARG_IS_VALID(kar, ARG_UID)) {
823 tok = au_to_arg32(3, "new file uid", ar->ar_arg_uid);
824 kau_write(rec, tok);
825 }
826 if (ARG_IS_VALID(kar, ARG_GID)) {
827 tok = au_to_arg32(4, "new file gid", ar->ar_arg_gid);
828 kau_write(rec, tok);
829 }
830 UPATH1_VNODE1_TOKENS;
831 break;
832
833 case AUE_EXCHANGEDATA:
834 UPATH1_VNODE1_TOKENS;
835 UPATH2_TOKENS;
836 break;
837
838 case AUE_CLOSE:
839 if (ARG_IS_VALID(kar, ARG_FD)) {
840 tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
841 kau_write(rec, tok);
842 }
843 UPATH1_VNODE1_TOKENS;
844 break;
845
846 case AUE_CLOSEFROM:
847 if (ARG_IS_VALID(kar, ARG_FD)) {
848 tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
849 kau_write(rec, tok);
850 }
851 break;
852
853 case AUE_CORE:
854 if (ARG_IS_VALID(kar, ARG_SIGNUM)) {
855 tok = au_to_arg32(1, "signal", ar->ar_arg_signum);
856 kau_write(rec, tok);
857 }
858 UPATH1_VNODE1_TOKENS;
859 break;
860
861 case AUE_EXTATTRCTL:
862 UPATH1_VNODE1_TOKENS;
863 if (ARG_IS_VALID(kar, ARG_CMD)) {
864 tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd);
865 kau_write(rec, tok);
866 }
867 /* extattrctl(2) filename parameter is in upath2/vnode2 */
868 UPATH2_TOKENS;
869 VNODE2_TOKENS;
870 EXTATTR_TOKENS(4);
871 break;
872
873 case AUE_EXTATTR_GET_FILE:
874 case AUE_EXTATTR_SET_FILE:
875 case AUE_EXTATTR_LIST_FILE:
876 case AUE_EXTATTR_DELETE_FILE:
877 case AUE_EXTATTR_GET_LINK:
878 case AUE_EXTATTR_SET_LINK:
879 case AUE_EXTATTR_LIST_LINK:
880 case AUE_EXTATTR_DELETE_LINK:
881 UPATH1_VNODE1_TOKENS;
882 EXTATTR_TOKENS(2);
883 break;
884
885 case AUE_EXTATTR_GET_FD:
886 case AUE_EXTATTR_SET_FD:
887 case AUE_EXTATTR_LIST_FD:
888 case AUE_EXTATTR_DELETE_FD:
889 if (ARG_IS_VALID(kar, ARG_FD)) {
890 tok = au_to_arg32(2, "fd", ar->ar_arg_fd);
891 kau_write(rec, tok);
892 }
893 EXTATTR_TOKENS(2);
894 break;
895
896 case AUE_FEXECVE:
897 if (ARG_IS_VALID(kar, ARG_FD)) {
898 tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
899 kau_write(rec, tok);
900 }
901 /* FALLTHROUGH */
902
903 case AUE_EXECVE:
904 case AUE_MAC_EXECVE:
905 if (ARG_IS_VALID(kar, ARG_ARGV)) {
906 tok = au_to_exec_args(ar->ar_arg_argv,
907 ar->ar_arg_argc);
908 kau_write(rec, tok);
909 }
910 if (ARG_IS_VALID(kar, ARG_ENVV)) {
911 tok = au_to_exec_env(ar->ar_arg_envv,
912 ar->ar_arg_envc);
913 kau_write(rec, tok);
914 }
915 UPATH1_VNODE1_TOKENS;
916 break;
917
918 case AUE_FCHMOD:
919 if (ARG_IS_VALID(kar, ARG_MODE)) {
920 tok = au_to_arg32(2, "new file mode",
921 ar->ar_arg_mode);
922 kau_write(rec, tok);
923 }
924 FD_VNODE1_TOKENS;
925 break;
926
927 /*
928 * XXXRW: Some of these need to handle non-vnode cases as well.
929 */
930 case AUE_FCHDIR:
931 case AUE_FPATHCONF:
932 case AUE_FSTAT:
933 case AUE_FSTATFS:
934 case AUE_FSYNC:
935 case AUE_FTRUNCATE:
936 case AUE_FUTIMES:
937 case AUE_GETDIRENTRIES:
938 case AUE_GETDIRENTRIESATTR:
939 case AUE_LSEEK:
940 case AUE_POLL:
941 case AUE_READ:
942 case AUE_READV:
943 case AUE_WRITE:
944 case AUE_WRITEV:
945 FD_VNODE1_TOKENS;
946 break;
947
948 case AUE_FCHOWN:
949 if (ARG_IS_VALID(kar, ARG_UID)) {
950 tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid);
951 kau_write(rec, tok);
952 }
953 if (ARG_IS_VALID(kar, ARG_GID)) {
954 tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid);
955 kau_write(rec, tok);
956 }
957 FD_VNODE1_TOKENS;
958 break;
959
960 case AUE_FCNTL:
961 if (ARG_IS_VALID(kar, ARG_CMD)) {
962 tok = au_to_arg32(2, "cmd",
963 au_fcntl_cmd_to_bsm(ar->ar_arg_cmd));
964 kau_write(rec, tok);
965 }
966 if (ar->ar_arg_cmd == F_GETLK || ar->ar_arg_cmd == F_SETLK ||
967 ar->ar_arg_cmd == F_SETLKW) {
968 FD_VNODE1_TOKENS;
969 }
970 break;
971
972 case AUE_FCHFLAGS:
973 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
974 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
975 kau_write(rec, tok);
976 }
977 FD_VNODE1_TOKENS;
978 break;
979
980 case AUE_FLOCK:
981 if (ARG_IS_VALID(kar, ARG_CMD)) {
982 tok = au_to_arg32(2, "operation", ar->ar_arg_cmd);
983 kau_write(rec, tok);
984 }
985 FD_VNODE1_TOKENS;
986 break;
987
988 case AUE_RFORK:
989 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
990 tok = au_to_arg32(1, "flags", ar->ar_arg_fflags);
991 kau_write(rec, tok);
992 }
993 /* FALLTHROUGH */
994
995 case AUE_FORK:
996 case AUE_VFORK:
997 if (ARG_IS_VALID(kar, ARG_PID)) {
998 tok = au_to_arg32(0, "child PID", ar->ar_arg_pid);
999 kau_write(rec, tok);
1000 }
1001 break;
1002
1003 case AUE_IOCTL:
1004 if (ARG_IS_VALID(kar, ARG_CMD)) {
1005 tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd);
1006 kau_write(rec, tok);
1007 }
1008 if (ARG_IS_VALID(kar, ARG_VNODE1))
1009 FD_VNODE1_TOKENS;
1010 else {
1011 if (ARG_IS_VALID(kar, ARG_SOCKINFO)) {
1012 tok = kau_to_socket(&ar->ar_arg_sockinfo);
1013 kau_write(rec, tok);
1014 } else {
1015 if (ARG_IS_VALID(kar, ARG_FD)) {
1016 tok = au_to_arg32(1, "fd",
1017 ar->ar_arg_fd);
1018 kau_write(rec, tok);
1019 }
1020 }
1021 }
1022 break;
1023
1024 case AUE_KILL:
1025 case AUE_KILLPG:
1026 if (ARG_IS_VALID(kar, ARG_SIGNUM)) {
1027 tok = au_to_arg32(2, "signal", ar->ar_arg_signum);
1028 kau_write(rec, tok);
1029 }
1030 PROCESS_PID_TOKENS(1);
1031 break;
1032
1033 case AUE_KTRACE:
1034 if (ARG_IS_VALID(kar, ARG_CMD)) {
1035 tok = au_to_arg32(2, "ops", ar->ar_arg_cmd);
1036 kau_write(rec, tok);
1037 }
1038 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1039 tok = au_to_arg32(3, "trpoints", ar->ar_arg_value);
1040 kau_write(rec, tok);
1041 }
1042 PROCESS_PID_TOKENS(4);
1043 UPATH1_VNODE1_TOKENS;
1044 break;
1045
1046 case AUE_LINK:
1047 case AUE_LINKAT:
1048 case AUE_RENAME:
1049 case AUE_RENAMEAT:
1050 ATFD1_TOKENS(1);
1051 UPATH1_VNODE1_TOKENS;
1052 ATFD2_TOKENS(3);
1053 UPATH2_TOKENS;
1054 break;
1055
1056 case AUE_LOADSHFILE:
1057 ADDR_TOKEN(4, "base addr");
1058 UPATH1_VNODE1_TOKENS;
1059 break;
1060
1061 case AUE_MKDIR:
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 UPATH1_VNODE1_TOKENS;
1067 break;
1068
1069 case AUE_MKNOD:
1070 if (ARG_IS_VALID(kar, ARG_MODE)) {
1071 tok = au_to_arg32(2, "mode", ar->ar_arg_mode);
1072 kau_write(rec, tok);
1073 }
1074 if (ARG_IS_VALID(kar, ARG_DEV)) {
1075 tok = au_to_arg32(3, "dev", ar->ar_arg_dev);
1076 kau_write(rec, tok);
1077 }
1078 UPATH1_VNODE1_TOKENS;
1079 break;
1080
1081 case AUE_MMAP:
1082 case AUE_MUNMAP:
1083 case AUE_MPROTECT:
1084 case AUE_MLOCK:
1085 case AUE_MUNLOCK:
1086 case AUE_MINHERIT:
1087 ADDR_TOKEN(1, "addr");
1088 if (ARG_IS_VALID(kar, ARG_LEN)) {
1089 tok = au_to_arg32(2, "len", ar->ar_arg_len);
1090 kau_write(rec, tok);
1091 }
1092 if (ar->ar_event == AUE_MMAP)
1093 FD_VNODE1_TOKENS;
1094 if (ar->ar_event == AUE_MPROTECT) {
1095 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1096 tok = au_to_arg32(3, "protection",
1097 ar->ar_arg_value);
1098 kau_write(rec, tok);
1099 }
1100 }
1101 if (ar->ar_event == AUE_MINHERIT) {
1102 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1103 tok = au_to_arg32(3, "inherit",
1104 ar->ar_arg_value);
1105 kau_write(rec, tok);
1106 }
1107 }
1108 break;
1109
1110 case AUE_MOUNT:
1111 case AUE_NMOUNT:
1112 /* XXX Need to handle NFS mounts */
1113 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1114 tok = au_to_arg32(3, "flags", ar->ar_arg_fflags);
1115 kau_write(rec, tok);
1116 }
1117 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1118 tok = au_to_text(ar->ar_arg_text);
1119 kau_write(rec, tok);
1120 }
1121 /* FALLTHROUGH */
1122
1123 case AUE_NFS_SVC:
1124 if (ARG_IS_VALID(kar, ARG_CMD)) {
1125 tok = au_to_arg32(1, "flags", ar->ar_arg_cmd);
1126 kau_write(rec, tok);
1127 }
1128 break;
1129
1130 case AUE_UMOUNT:
1131 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1132 tok = au_to_arg32(2, "flags", ar->ar_arg_value);
1133 kau_write(rec, tok);
1134 }
1135 UPATH1_VNODE1_TOKENS;
1136 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1137 tok = au_to_text(ar->ar_arg_text);
1138 kau_write(rec, tok);
1139 }
1140 break;
1141
1142 case AUE_MSGCTL:
1143 ar->ar_event = audit_msgctl_to_event(ar->ar_arg_svipc_cmd);
1144 /* Fall through */
1145
1146 case AUE_MSGRCV:
1147 case AUE_MSGSND:
1148 tok = au_to_arg32(1, "msg ID", ar->ar_arg_svipc_id);
1149 kau_write(rec, tok);
1150 if (ar->ar_errno != EINVAL) {
1151 tok = au_to_ipc(AT_IPC_MSG, ar->ar_arg_svipc_id);
1152 kau_write(rec, tok);
1153 }
1154 break;
1155
1156 case AUE_MSGGET:
1157 if (ar->ar_errno == 0) {
1158 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1159 tok = au_to_ipc(AT_IPC_MSG,
1160 ar->ar_arg_svipc_id);
1161 kau_write(rec, tok);
1162 }
1163 }
1164 break;
1165
1166 case AUE_RESETSHFILE:
1167 ADDR_TOKEN(1, "base addr");
1168 break;
1169
1170 case AUE_OPEN_RC:
1171 case AUE_OPEN_RTC:
1172 case AUE_OPEN_RWC:
1173 case AUE_OPEN_RWTC:
1174 case AUE_OPEN_WC:
1175 case AUE_OPEN_WTC:
1176 case AUE_CREAT:
1177 if (ARG_IS_VALID(kar, ARG_MODE)) {
1178 tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1179 kau_write(rec, tok);
1180 }
1181 /* FALLTHROUGH */
1182
1183 case AUE_OPEN_R:
1184 case AUE_OPEN_RT:
1185 case AUE_OPEN_RW:
1186 case AUE_OPEN_RWT:
1187 case AUE_OPEN_W:
1188 case AUE_OPEN_WT:
1189 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1190 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1191 kau_write(rec, tok);
1192 }
1193 UPATH1_VNODE1_TOKENS;
1194 break;
1195
1196 case AUE_OPENAT_RC:
1197 case AUE_OPENAT_RTC:
1198 case AUE_OPENAT_RWC:
1199 case AUE_OPENAT_RWTC:
1200 case AUE_OPENAT_WC:
1201 case AUE_OPENAT_WTC:
1202 if (ARG_IS_VALID(kar, ARG_MODE)) {
1203 tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1204 kau_write(rec, tok);
1205 }
1206 /* FALLTHROUGH */
1207
1208 case AUE_OPENAT_R:
1209 case AUE_OPENAT_RT:
1210 case AUE_OPENAT_RW:
1211 case AUE_OPENAT_RWT:
1212 case AUE_OPENAT_W:
1213 case AUE_OPENAT_WT:
1214 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1215 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1216 kau_write(rec, tok);
1217 }
1218 ATFD1_TOKENS(1);
1219 UPATH1_VNODE1_TOKENS;
1220 break;
1221
1222 case AUE_PTRACE:
1223 if (ARG_IS_VALID(kar, ARG_CMD)) {
1224 tok = au_to_arg32(1, "request", ar->ar_arg_cmd);
1225 kau_write(rec, tok);
1226 }
1227 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1228 tok = au_to_arg32(4, "data", ar->ar_arg_value);
1229 kau_write(rec, tok);
1230 }
1231 PROCESS_PID_TOKENS(2);
1232 break;
1233
1234 case AUE_QUOTACTL:
1235 if (ARG_IS_VALID(kar, ARG_CMD)) {
1236 tok = au_to_arg32(2, "command", ar->ar_arg_cmd);
1237 kau_write(rec, tok);
1238 }
1239 if (ARG_IS_VALID(kar, ARG_UID)) {
1240 tok = au_to_arg32(3, "uid", ar->ar_arg_uid);
1241 kau_write(rec, tok);
1242 }
1243 if (ARG_IS_VALID(kar, ARG_GID)) {
1244 tok = au_to_arg32(3, "gid", ar->ar_arg_gid);
1245 kau_write(rec, tok);
1246 }
1247 UPATH1_VNODE1_TOKENS;
1248 break;
1249
1250 case AUE_REBOOT:
1251 if (ARG_IS_VALID(kar, ARG_CMD)) {
1252 tok = au_to_arg32(1, "howto", ar->ar_arg_cmd);
1253 kau_write(rec, tok);
1254 }
1255 break;
1256
1257 case AUE_SEMCTL:
1258 ar->ar_event = audit_semctl_to_event(ar->ar_arg_svipc_cmd);
1259 /* Fall through */
1260
1261 case AUE_SEMOP:
1262 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1263 tok = au_to_arg32(1, "sem ID", ar->ar_arg_svipc_id);
1264 kau_write(rec, tok);
1265 if (ar->ar_errno != EINVAL) {
1266 tok = au_to_ipc(AT_IPC_SEM,
1267 ar->ar_arg_svipc_id);
1268 kau_write(rec, tok);
1269 }
1270 }
1271 break;
1272
1273 case AUE_SEMGET:
1274 if (ar->ar_errno == 0) {
1275 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1276 tok = au_to_ipc(AT_IPC_SEM,
1277 ar->ar_arg_svipc_id);
1278 kau_write(rec, tok);
1279 }
1280 }
1281 break;
1282
1283 case AUE_SETEGID:
1284 if (ARG_IS_VALID(kar, ARG_EGID)) {
1285 tok = au_to_arg32(1, "egid", ar->ar_arg_egid);
1286 kau_write(rec, tok);
1287 }
1288 break;
1289
1290 case AUE_SETEUID:
1291 if (ARG_IS_VALID(kar, ARG_EUID)) {
1292 tok = au_to_arg32(1, "euid", ar->ar_arg_euid);
1293 kau_write(rec, tok);
1294 }
1295 break;
1296
1297 case AUE_SETREGID:
1298 if (ARG_IS_VALID(kar, ARG_RGID)) {
1299 tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid);
1300 kau_write(rec, tok);
1301 }
1302 if (ARG_IS_VALID(kar, ARG_EGID)) {
1303 tok = au_to_arg32(2, "egid", ar->ar_arg_egid);
1304 kau_write(rec, tok);
1305 }
1306 break;
1307
1308 case AUE_SETREUID:
1309 if (ARG_IS_VALID(kar, ARG_RUID)) {
1310 tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid);
1311 kau_write(rec, tok);
1312 }
1313 if (ARG_IS_VALID(kar, ARG_EUID)) {
1314 tok = au_to_arg32(2, "euid", ar->ar_arg_euid);
1315 kau_write(rec, tok);
1316 }
1317 break;
1318
1319 case AUE_SETRESGID:
1320 if (ARG_IS_VALID(kar, ARG_RGID)) {
1321 tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid);
1322 kau_write(rec, tok);
1323 }
1324 if (ARG_IS_VALID(kar, ARG_EGID)) {
1325 tok = au_to_arg32(2, "egid", ar->ar_arg_egid);
1326 kau_write(rec, tok);
1327 }
1328 if (ARG_IS_VALID(kar, ARG_SGID)) {
1329 tok = au_to_arg32(3, "sgid", ar->ar_arg_sgid);
1330 kau_write(rec, tok);
1331 }
1332 break;
1333
1334 case AUE_SETRESUID:
1335 if (ARG_IS_VALID(kar, ARG_RUID)) {
1336 tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid);
1337 kau_write(rec, tok);
1338 }
1339 if (ARG_IS_VALID(kar, ARG_EUID)) {
1340 tok = au_to_arg32(2, "euid", ar->ar_arg_euid);
1341 kau_write(rec, tok);
1342 }
1343 if (ARG_IS_VALID(kar, ARG_SUID)) {
1344 tok = au_to_arg32(3, "suid", ar->ar_arg_suid);
1345 kau_write(rec, tok);
1346 }
1347 break;
1348
1349 case AUE_SETGID:
1350 if (ARG_IS_VALID(kar, ARG_GID)) {
1351 tok = au_to_arg32(1, "gid", ar->ar_arg_gid);
1352 kau_write(rec, tok);
1353 }
1354 break;
1355
1356 case AUE_SETUID:
1357 if (ARG_IS_VALID(kar, ARG_UID)) {
1358 tok = au_to_arg32(1, "uid", ar->ar_arg_uid);
1359 kau_write(rec, tok);
1360 }
1361 break;
1362
1363 case AUE_SETGROUPS:
1364 if (ARG_IS_VALID(kar, ARG_GROUPSET)) {
1365 for(ctr = 0; ctr < ar->ar_arg_groups.gidset_size; ctr++)
1366 {
1367 tok = au_to_arg32(1, "setgroups",
1368 ar->ar_arg_groups.gidset[ctr]);
1369 kau_write(rec, tok);
1370 }
1371 }
1372 break;
1373
1374 case AUE_SETLOGIN:
1375 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1376 tok = au_to_text(ar->ar_arg_text);
1377 kau_write(rec, tok);
1378 }
1379 break;
1380
1381 case AUE_SETPRIORITY:
1382 if (ARG_IS_VALID(kar, ARG_CMD)) {
1383 tok = au_to_arg32(1, "which", ar->ar_arg_cmd);
1384 kau_write(rec, tok);
1385 }
1386 if (ARG_IS_VALID(kar, ARG_UID)) {
1387 tok = au_to_arg32(2, "who", ar->ar_arg_uid);
1388 kau_write(rec, tok);
1389 }
1390 PROCESS_PID_TOKENS(2);
1391 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1392 tok = au_to_arg32(3, "priority", ar->ar_arg_value);
1393 kau_write(rec, tok);
1394 }
1395 break;
1396
1397 case AUE_SETPRIVEXEC:
1398 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1399 tok = au_to_arg32(1, "flag", ar->ar_arg_value);
1400 kau_write(rec, tok);
1401 }
1402 break;
1403
1404 /* AUE_SHMAT, AUE_SHMCTL, AUE_SHMDT and AUE_SHMGET are SysV IPC */
1405 case AUE_SHMAT:
1406 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1407 tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id);
1408 kau_write(rec, tok);
1409 /* XXXAUDIT: Does having the ipc token make sense? */
1410 tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id);
1411 kau_write(rec, tok);
1412 }
1413 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1414 tok = au_to_arg32(2, "shmaddr",
1415 (int)(uintptr_t)ar->ar_arg_svipc_addr);
1416 kau_write(rec, tok);
1417 }
1418 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1419 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1420 kau_write(rec, tok);
1421 }
1422 break;
1423
1424 case AUE_SHMCTL:
1425 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1426 tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id);
1427 kau_write(rec, tok);
1428 /* XXXAUDIT: Does having the ipc token make sense? */
1429 tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id);
1430 kau_write(rec, tok);
1431 }
1432 switch (ar->ar_arg_svipc_cmd) {
1433 case IPC_STAT:
1434 ar->ar_event = AUE_SHMCTL_STAT;
1435 break;
1436 case IPC_RMID:
1437 ar->ar_event = AUE_SHMCTL_RMID;
1438 break;
1439 case IPC_SET:
1440 ar->ar_event = AUE_SHMCTL_SET;
1441 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1442 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1443 kau_write(rec, tok);
1444 }
1445 break;
1446 default:
1447 break; /* We will audit a bad command */
1448 }
1449 break;
1450
1451 case AUE_SHMDT:
1452 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1453 tok = au_to_arg32(1, "shmaddr",
1454 (int)(uintptr_t)ar->ar_arg_svipc_addr);
1455 kau_write(rec, tok);
1456 }
1457 break;
1458
1459 case AUE_SHMGET:
1460 /* This is unusual; the return value is in an argument token */
1461 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1462 tok = au_to_arg32(0, "shmid", ar->ar_arg_svipc_id);
1463 kau_write(rec, tok);
1464 tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id);
1465 kau_write(rec, tok);
1466 }
1467 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1468 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1469 kau_write(rec, tok);
1470 }
1471 break;
1472
1473 /* AUE_SHMOPEN, AUE_SHMUNLINK, AUE_SEMOPEN, AUE_SEMCLOSE
1474 * and AUE_SEMUNLINK are Posix IPC */
1475 case AUE_SHMOPEN:
1476 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1477 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1478 kau_write(rec, tok);
1479 }
1480 if (ARG_IS_VALID(kar, ARG_MODE)) {
1481 tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1482 kau_write(rec, tok);
1483 }
1484 /* FALLTHROUGH */
1485
1486 case AUE_SHMUNLINK:
1487 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1488 tok = au_to_text(ar->ar_arg_text);
1489 kau_write(rec, tok);
1490 }
1491 if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) {
1492 struct ipc_perm perm;
1493
1494 perm.uid = ar->ar_arg_pipc_perm.pipc_uid;
1495 perm.gid = ar->ar_arg_pipc_perm.pipc_gid;
1496 perm.cuid = ar->ar_arg_pipc_perm.pipc_uid;
1497 perm.cgid = ar->ar_arg_pipc_perm.pipc_gid;
1498 perm.mode = ar->ar_arg_pipc_perm.pipc_mode;
1499 perm.seq = 0;
1500 perm.key = 0;
1501 tok = au_to_ipc_perm(&perm);
1502 kau_write(rec, tok);
1503 }
1504 break;
1505
1506 case AUE_SEMOPEN:
1507 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1508 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1509 kau_write(rec, tok);
1510 }
1511 if (ARG_IS_VALID(kar, ARG_MODE)) {
1512 tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1513 kau_write(rec, tok);
1514 }
1515 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1516 tok = au_to_arg32(4, "value", ar->ar_arg_value);
1517 kau_write(rec, tok);
1518 }
1519 /* FALLTHROUGH */
1520
1521 case AUE_SEMUNLINK:
1522 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1523 tok = au_to_text(ar->ar_arg_text);
1524 kau_write(rec, tok);
1525 }
1526 if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) {
1527 struct ipc_perm perm;
1528
1529 perm.uid = ar->ar_arg_pipc_perm.pipc_uid;
1530 perm.gid = ar->ar_arg_pipc_perm.pipc_gid;
1531 perm.cuid = ar->ar_arg_pipc_perm.pipc_uid;
1532 perm.cgid = ar->ar_arg_pipc_perm.pipc_gid;
1533 perm.mode = ar->ar_arg_pipc_perm.pipc_mode;
1534 perm.seq = 0;
1535 perm.key = 0;
1536 tok = au_to_ipc_perm(&perm);
1537 kau_write(rec, tok);
1538 }
1539 break;
1540
1541 case AUE_SEMCLOSE:
1542 if (ARG_IS_VALID(kar, ARG_FD)) {
1543 tok = au_to_arg32(1, "sem", ar->ar_arg_fd);
1544 kau_write(rec, tok);
1545 }
1546 break;
1547
1548 case AUE_SYMLINK:
1549 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1550 tok = au_to_text(ar->ar_arg_text);
1551 kau_write(rec, tok);
1552 }
1553 UPATH1_VNODE1_TOKENS;
1554 break;
1555
1556 case AUE_SYSCTL:
1557 case AUE_SYSCTL_NONADMIN:
1558 if (ARG_IS_VALID(kar, ARG_CTLNAME | ARG_LEN)) {
1559 for (ctr = 0; ctr < ar->ar_arg_len; ctr++) {
1560 tok = au_to_arg32(1, "name",
1561 ar->ar_arg_ctlname[ctr]);
1562 kau_write(rec, tok);
1563 }
1564 }
1565 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1566 tok = au_to_arg32(5, "newval", ar->ar_arg_value);
1567 kau_write(rec, tok);
1568 }
1569 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1570 tok = au_to_text(ar->ar_arg_text);
1571 kau_write(rec, tok);
1572 }
1573 break;
1574
1575 case AUE_UMASK:
1576 if (ARG_IS_VALID(kar, ARG_MASK)) {
1577 tok = au_to_arg32(1, "new mask", ar->ar_arg_mask);
1578 kau_write(rec, tok);
1579 }
1580 tok = au_to_arg32(0, "prev mask", ar->ar_retval);
1581 kau_write(rec, tok);
1582 break;
1583
1584 case AUE_WAIT4:
1585 PROCESS_PID_TOKENS(1);
1586 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1587 tok = au_to_arg32(3, "options", ar->ar_arg_value);
1588 kau_write(rec, tok);
1589 }
1590 break;
1591
1592 case AUE_CAP_NEW:
1593 /*
1594 * XXXRW/XXXJA: Would be nice to audit socket/etc information.
1595 */
1596 FD_VNODE1_TOKENS;
1597 if (ARG_IS_VALID(kar, ARG_RIGHTS)) {
1598 tok = au_to_arg64(2, "rights", ar->ar_arg_rights);
1599 kau_write(rec, tok);
1600 }
1601 break;
1602
1603 case AUE_CAP_GETRIGHTS:
1604 if (ARG_IS_VALID(kar, ARG_FD)) {
1605 tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
1606 kau_write(rec, tok);
1607 }
1608 break;
1609
1610 case AUE_CAP_ENTER:
1611 case AUE_CAP_GETMODE:
1612 break;
1613
1614 case AUE_NULL:
1615 default:
1616 printf("BSM conversion requested for unknown event %d\n",
1617 ar->ar_event);
1618
1619 /*
1620 * Write the subject token so it is properly freed here.
1621 */
1622 kau_write(rec, subj_tok);
1623 kau_free(rec);
1624 return (BSM_NOAUDIT);
1625 }
1626
1627 kau_write(rec, subj_tok);
1628 tok = au_to_return32(au_errno_to_bsm(ar->ar_errno), ar->ar_retval);
1629 kau_write(rec, tok); /* Every record gets a return token */
1630
1631 kau_close(rec, &ar->ar_endtime, ar->ar_event);
1632
1633 *pau = rec;
1634 return (BSM_SUCCESS);
1635 }
1636
1637 /*
1638 * Verify that a record is a valid BSM record. This verification is simple
1639 * now, but may be expanded on sometime in the future. Return 1 if the
1640 * record is good, 0 otherwise.
1641 */
1642 int
1643 bsm_rec_verify(void *rec)
1644 {
1645 char c = *(char *)rec;
1646
1647 /*
1648 * Check the token ID of the first token; it has to be a header
1649 * token.
1650 *
1651 * XXXAUDIT There needs to be a token structure to map a token.
1652 * XXXAUDIT 'Shouldn't be simply looking at the first char.
1653 */
1654 if ((c != AUT_HEADER32) && (c != AUT_HEADER32_EX) &&
1655 (c != AUT_HEADER64) && (c != AUT_HEADER64_EX))
1656 return (0);
1657 return (1);
1658 }
Cache object: ac46ec457e9987fbad60d320c9348c1a
|