xref: /freebsd/sys/security/audit/audit_bsm.c (revision d184218c)
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("$FreeBSD$");
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 	UPATH1_TOKENS;							\
227 	if (ARG_IS_VALID(kar, ARG_VNODE1)) {				\
228 		tok = au_to_attr32(&ar->ar_arg_vnode1);			\
229 		kau_write(rec, tok);					\
230 	}								\
231 } while (0)
232 
233 #define	VNODE2_TOKENS do {						\
234 	if (ARG_IS_VALID(kar, ARG_VNODE2)) {				\
235 		tok = au_to_attr32(&ar->ar_arg_vnode2);			\
236 		kau_write(rec, tok);					\
237 	}								\
238 } while (0)
239 
240 #define	FD_VNODE1_TOKENS do {						\
241 	if (ARG_IS_VALID(kar, ARG_VNODE1)) {				\
242 		if (ARG_IS_VALID(kar, ARG_FD)) {			\
243 			tok = au_to_arg32(1, "fd", ar->ar_arg_fd);	\
244 			kau_write(rec, tok);				\
245 		}							\
246 		tok = au_to_attr32(&ar->ar_arg_vnode1);			\
247 		kau_write(rec, tok);					\
248 	} else {							\
249 		if (ARG_IS_VALID(kar, ARG_FD)) {			\
250 			tok = au_to_arg32(1, "non-file: fd",		\
251 			    ar->ar_arg_fd);				\
252 			kau_write(rec, tok);				\
253 		}							\
254 	}								\
255 } while (0)
256 
257 #define	PROCESS_PID_TOKENS(argn) do {					\
258 	if ((ar->ar_arg_pid > 0) /* Reference a single process */	\
259 	    && (ARG_IS_VALID(kar, ARG_PROCESS))) {			\
260 		tok = au_to_process32_ex(ar->ar_arg_auid,		\
261 		    ar->ar_arg_euid, ar->ar_arg_egid,			\
262 		    ar->ar_arg_ruid, ar->ar_arg_rgid,			\
263 		    ar->ar_arg_pid, ar->ar_arg_asid,			\
264 		    &ar->ar_arg_termid_addr);				\
265 		kau_write(rec, tok);					\
266 	} else if (ARG_IS_VALID(kar, ARG_PID)) {			\
267 		tok = au_to_arg32(argn, "process", ar->ar_arg_pid);	\
268 		kau_write(rec, tok);					\
269 	}								\
270 } while (0)
271 
272 #define	EXTATTR_TOKENS(namespace_argnum) do {				\
273 	if (ARG_IS_VALID(kar, ARG_VALUE)) {				\
274 		switch (ar->ar_arg_value) {				\
275 		case EXTATTR_NAMESPACE_USER:				\
276 			tok = au_to_text(EXTATTR_NAMESPACE_USER_STRING);\
277 			break;						\
278 		case EXTATTR_NAMESPACE_SYSTEM:				\
279 			tok = au_to_text(EXTATTR_NAMESPACE_SYSTEM_STRING);\
280 			break;						\
281 		default:						\
282 			tok = au_to_arg32((namespace_argnum),		\
283 			    "attrnamespace", ar->ar_arg_value);		\
284 			break;						\
285 		}							\
286 		kau_write(rec, tok);					\
287 	}								\
288 	/* attrname is in the text field */				\
289 	if (ARG_IS_VALID(kar, ARG_TEXT)) {				\
290 		tok = au_to_text(ar->ar_arg_text);			\
291 		kau_write(rec, tok);					\
292 	}								\
293 } while (0)
294 
295 /*
296  * Not all pointer arguments to system calls are of interest, but in some
297  * cases they reflect delegation of rights, such as mmap(2) followed by
298  * minherit(2) before execve(2), so do the best we can.
299  */
300 #define	ADDR_TOKEN(argnum, argname) do {				\
301 	if (ARG_IS_VALID(kar, ARG_ADDR)) {				\
302 		if (sizeof(void *) == sizeof(uint32_t))			\
303 			tok = au_to_arg32((argnum), (argname),		\
304 			    (uint32_t)(uintptr_t)ar->ar_arg_addr);	\
305 		else							\
306 			tok = au_to_arg64((argnum), (argname),		\
307 			    (uint64_t)(uintptr_t)ar->ar_arg_addr);	\
308 		kau_write(rec, tok);					\
309 	}								\
310 } while (0)
311 
312 
313 /*
314  * Implement auditing for the auditon() system call. The audit tokens that
315  * are generated depend on the command that was sent into the auditon()
316  * system call.
317  */
318 static void
319 audit_sys_auditon(struct audit_record *ar, struct au_record *rec)
320 {
321 	struct au_token *tok;
322 
323 	tok = au_to_arg32(3, "length", ar->ar_arg_len);
324 	kau_write(rec, tok);
325 	switch (ar->ar_arg_cmd) {
326 	case A_OLDSETPOLICY:
327 		if ((size_t)ar->ar_arg_len == sizeof(int64_t)) {
328 			tok = au_to_arg64(2, "policy",
329 			    ar->ar_arg_auditon.au_policy64);
330 			kau_write(rec, tok);
331 			break;
332 		}
333 		/* FALLTHROUGH */
334 
335 	case A_SETPOLICY:
336 		tok = au_to_arg32(2, "policy", ar->ar_arg_auditon.au_policy);
337 		kau_write(rec, tok);
338 		break;
339 
340 	case A_SETKMASK:
341 		tok = au_to_arg32(2, "setkmask:as_success",
342 		    ar->ar_arg_auditon.au_mask.am_success);
343 		kau_write(rec, tok);
344 		tok = au_to_arg32(2, "setkmask:as_failure",
345 		    ar->ar_arg_auditon.au_mask.am_failure);
346 		kau_write(rec, tok);
347 		break;
348 
349 	case A_OLDSETQCTRL:
350 		if ((size_t)ar->ar_arg_len == sizeof(au_qctrl64_t)) {
351 			tok = au_to_arg64(2, "setqctrl:aq_hiwater",
352 			    ar->ar_arg_auditon.au_qctrl64.aq64_hiwater);
353 			kau_write(rec, tok);
354 			tok = au_to_arg64(2, "setqctrl:aq_lowater",
355 			    ar->ar_arg_auditon.au_qctrl64.aq64_lowater);
356 			kau_write(rec, tok);
357 			tok = au_to_arg64(2, "setqctrl:aq_bufsz",
358 			    ar->ar_arg_auditon.au_qctrl64.aq64_bufsz);
359 			kau_write(rec, tok);
360 			tok = au_to_arg64(2, "setqctrl:aq_delay",
361 			    ar->ar_arg_auditon.au_qctrl64.aq64_delay);
362 			kau_write(rec, tok);
363 			tok = au_to_arg64(2, "setqctrl:aq_minfree",
364 			    ar->ar_arg_auditon.au_qctrl64.aq64_minfree);
365 			kau_write(rec, tok);
366 			break;
367 		}
368 		/* FALLTHROUGH */
369 
370 	case A_SETQCTRL:
371 		tok = au_to_arg32(2, "setqctrl:aq_hiwater",
372 		    ar->ar_arg_auditon.au_qctrl.aq_hiwater);
373 		kau_write(rec, tok);
374 		tok = au_to_arg32(2, "setqctrl:aq_lowater",
375 		    ar->ar_arg_auditon.au_qctrl.aq_lowater);
376 		kau_write(rec, tok);
377 		tok = au_to_arg32(2, "setqctrl:aq_bufsz",
378 		    ar->ar_arg_auditon.au_qctrl.aq_bufsz);
379 		kau_write(rec, tok);
380 		tok = au_to_arg32(2, "setqctrl:aq_delay",
381 		    ar->ar_arg_auditon.au_qctrl.aq_delay);
382 		kau_write(rec, tok);
383 		tok = au_to_arg32(2, "setqctrl:aq_minfree",
384 		    ar->ar_arg_auditon.au_qctrl.aq_minfree);
385 		kau_write(rec, tok);
386 		break;
387 
388 	case A_SETUMASK:
389 		tok = au_to_arg32(2, "setumask:as_success",
390 		    ar->ar_arg_auditon.au_auinfo.ai_mask.am_success);
391 		kau_write(rec, tok);
392 		tok = au_to_arg32(2, "setumask:as_failure",
393 		    ar->ar_arg_auditon.au_auinfo.ai_mask.am_failure);
394 		kau_write(rec, tok);
395 		break;
396 
397 	case A_SETSMASK:
398 		tok = au_to_arg32(2, "setsmask:as_success",
399 		    ar->ar_arg_auditon.au_auinfo.ai_mask.am_success);
400 		kau_write(rec, tok);
401 		tok = au_to_arg32(2, "setsmask:as_failure",
402 		    ar->ar_arg_auditon.au_auinfo.ai_mask.am_failure);
403 		kau_write(rec, tok);
404 		break;
405 
406 	case A_OLDSETCOND:
407 		if ((size_t)ar->ar_arg_len == sizeof(int64_t)) {
408 			tok = au_to_arg64(2, "setcond",
409 			    ar->ar_arg_auditon.au_cond64);
410 			kau_write(rec, tok);
411 			break;
412 		}
413 		/* FALLTHROUGH */
414 
415 	case A_SETCOND:
416 		tok = au_to_arg32(2, "setcond", ar->ar_arg_auditon.au_cond);
417 		kau_write(rec, tok);
418 		break;
419 
420 	case A_SETCLASS:
421 		kau_write(rec, tok);
422 		tok = au_to_arg32(2, "setclass:ec_event",
423 		    ar->ar_arg_auditon.au_evclass.ec_number);
424 		kau_write(rec, tok);
425 		tok = au_to_arg32(2, "setclass:ec_class",
426 		    ar->ar_arg_auditon.au_evclass.ec_class);
427 		kau_write(rec, tok);
428 		break;
429 
430 	case A_SETPMASK:
431 		tok = au_to_arg32(2, "setpmask:as_success",
432 		    ar->ar_arg_auditon.au_aupinfo.ap_mask.am_success);
433 		kau_write(rec, tok);
434 		tok = au_to_arg32(2, "setpmask:as_failure",
435 		    ar->ar_arg_auditon.au_aupinfo.ap_mask.am_failure);
436 		kau_write(rec, tok);
437 		break;
438 
439 	case A_SETFSIZE:
440 		tok = au_to_arg32(2, "setfsize:filesize",
441 		    ar->ar_arg_auditon.au_fstat.af_filesz);
442 		kau_write(rec, tok);
443 		break;
444 
445 	default:
446 		break;
447 	}
448 }
449 
450 /*
451  * Convert an internal kernel audit record to a BSM record and return a
452  * success/failure indicator. The BSM record is passed as an out parameter to
453  * this function.
454  *
455  * Return conditions:
456  *   BSM_SUCCESS: The BSM record is valid
457  *   BSM_FAILURE: Failure; the BSM record is NULL.
458  *   BSM_NOAUDIT: The event is not auditable for BSM; the BSM record is NULL.
459  */
460 int
461 kaudit_to_bsm(struct kaudit_record *kar, struct au_record **pau)
462 {
463 	struct au_token *tok, *subj_tok, *jail_tok;
464 	struct au_record *rec;
465 	au_tid_t tid;
466 	struct audit_record *ar;
467 	int ctr;
468 
469 	KASSERT(kar != NULL, ("kaudit_to_bsm: kar == NULL"));
470 
471 	*pau = NULL;
472 	ar = &kar->k_ar;
473 	rec = kau_open();
474 
475 	/*
476 	 * Create the subject token.  If this credential was jailed be sure to
477 	 * generate a zonename token.
478 	 */
479 	if (ar->ar_jailname[0] != '\0')
480 		jail_tok = au_to_zonename(ar->ar_jailname);
481 	else
482 		jail_tok = NULL;
483 	switch (ar->ar_subj_term_addr.at_type) {
484 	case AU_IPv4:
485 		tid.port = ar->ar_subj_term_addr.at_port;
486 		tid.machine = ar->ar_subj_term_addr.at_addr[0];
487 		subj_tok = au_to_subject32(ar->ar_subj_auid,  /* audit ID */
488 		    ar->ar_subj_cred.cr_uid, /* eff uid */
489 		    ar->ar_subj_egid,	/* eff group id */
490 		    ar->ar_subj_ruid,	/* real uid */
491 		    ar->ar_subj_rgid,	/* real group id */
492 		    ar->ar_subj_pid,	/* process id */
493 		    ar->ar_subj_asid,	/* session ID */
494 		    &tid);
495 		break;
496 	case AU_IPv6:
497 		subj_tok = au_to_subject32_ex(ar->ar_subj_auid,
498 		    ar->ar_subj_cred.cr_uid,
499 		    ar->ar_subj_egid,
500 		    ar->ar_subj_ruid,
501 		    ar->ar_subj_rgid,
502 		    ar->ar_subj_pid,
503 		    ar->ar_subj_asid,
504 		    &ar->ar_subj_term_addr);
505 		break;
506 	default:
507 		bzero(&tid, sizeof(tid));
508 		subj_tok = au_to_subject32(ar->ar_subj_auid,
509 		    ar->ar_subj_cred.cr_uid,
510 		    ar->ar_subj_egid,
511 		    ar->ar_subj_ruid,
512 		    ar->ar_subj_rgid,
513 		    ar->ar_subj_pid,
514 		    ar->ar_subj_asid,
515 		    &tid);
516 	}
517 
518 	/*
519 	 * The logic inside each case fills in the tokens required for the
520 	 * event, except for the header, trailer, and return tokens.  The
521 	 * header and trailer tokens are added by the kau_close() function.
522 	 * The return token is added outside of the switch statement.
523 	 */
524 	switch(ar->ar_event) {
525 	case AUE_ACCEPT:
526 	case AUE_BIND:
527 	case AUE_LISTEN:
528 	case AUE_CONNECT:
529 	case AUE_RECV:
530 	case AUE_RECVFROM:
531 	case AUE_RECVMSG:
532 	case AUE_SEND:
533 	case AUE_SENDFILE:
534 	case AUE_SENDMSG:
535 	case AUE_SENDTO:
536 		/*
537 		 * Socket-related events.
538 		 */
539 		if (ARG_IS_VALID(kar, ARG_FD)) {
540 			tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
541 			kau_write(rec, tok);
542 		}
543 		if (ARG_IS_VALID(kar, ARG_SADDRINET)) {
544 			tok = au_to_sock_inet((struct sockaddr_in *)
545 			    &ar->ar_arg_sockaddr);
546 			kau_write(rec, tok);
547 		}
548 		if (ARG_IS_VALID(kar, ARG_SADDRUNIX)) {
549 			tok = au_to_sock_unix((struct sockaddr_un *)
550 			    &ar->ar_arg_sockaddr);
551 			kau_write(rec, tok);
552 			UPATH1_TOKENS;
553 		}
554 		/* XXX Need to handle ARG_SADDRINET6 */
555 		break;
556 
557 	case AUE_BINDAT:
558 	case AUE_CONNECTAT:
559 		ATFD1_TOKENS(1);
560 		if (ARG_IS_VALID(kar, ARG_FD)) {
561 			tok = au_to_arg32(2, "fd", ar->ar_arg_fd);
562 			kau_write(rec, tok);
563 		}
564 		if (ARG_IS_VALID(kar, ARG_SADDRUNIX)) {
565 			tok = au_to_sock_unix((struct sockaddr_un *)
566 			    &ar->ar_arg_sockaddr);
567 			kau_write(rec, tok);
568 			UPATH1_TOKENS;
569 		}
570 		break;
571 
572 	case AUE_SOCKET:
573 	case AUE_SOCKETPAIR:
574 		if (ARG_IS_VALID(kar, ARG_SOCKINFO)) {
575 			tok = au_to_arg32(1, "domain",
576 			    ar->ar_arg_sockinfo.so_domain);
577 			kau_write(rec, tok);
578 			tok = au_to_arg32(2, "type",
579 			    ar->ar_arg_sockinfo.so_type);
580 			kau_write(rec, tok);
581 			tok = au_to_arg32(3, "protocol",
582 			    ar->ar_arg_sockinfo.so_protocol);
583 			kau_write(rec, tok);
584 		}
585 		break;
586 
587 	case AUE_SETSOCKOPT:
588 	case AUE_SHUTDOWN:
589 		if (ARG_IS_VALID(kar, ARG_FD)) {
590 			tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
591 			kau_write(rec, tok);
592 		}
593 		break;
594 
595 	case AUE_ACCT:
596 		if (ARG_IS_VALID(kar, ARG_UPATH1)) {
597 			UPATH1_VNODE1_TOKENS;
598 		} else {
599 			tok = au_to_arg32(1, "accounting off", 0);
600 			kau_write(rec, tok);
601 		}
602 		break;
603 
604 	case AUE_SETAUID:
605 		if (ARG_IS_VALID(kar, ARG_AUID)) {
606 			tok = au_to_arg32(2, "setauid", ar->ar_arg_auid);
607 			kau_write(rec, tok);
608 		}
609 		break;
610 
611 	case AUE_SETAUDIT:
612 		if (ARG_IS_VALID(kar, ARG_AUID) &&
613 		    ARG_IS_VALID(kar, ARG_ASID) &&
614 		    ARG_IS_VALID(kar, ARG_AMASK) &&
615 		    ARG_IS_VALID(kar, ARG_TERMID)) {
616 			tok = au_to_arg32(1, "setaudit:auid",
617 			    ar->ar_arg_auid);
618 			kau_write(rec, tok);
619 			tok = au_to_arg32(1, "setaudit:port",
620 			    ar->ar_arg_termid.port);
621 			kau_write(rec, tok);
622 			tok = au_to_arg32(1, "setaudit:machine",
623 			    ar->ar_arg_termid.machine);
624 			kau_write(rec, tok);
625 			tok = au_to_arg32(1, "setaudit:as_success",
626 			    ar->ar_arg_amask.am_success);
627 			kau_write(rec, tok);
628 			tok = au_to_arg32(1, "setaudit:as_failure",
629 			    ar->ar_arg_amask.am_failure);
630 			kau_write(rec, tok);
631 			tok = au_to_arg32(1, "setaudit:asid",
632 			    ar->ar_arg_asid);
633 			kau_write(rec, tok);
634 		}
635 		break;
636 
637 	case AUE_SETAUDIT_ADDR:
638 		if (ARG_IS_VALID(kar, ARG_AUID) &&
639 		    ARG_IS_VALID(kar, ARG_ASID) &&
640 		    ARG_IS_VALID(kar, ARG_AMASK) &&
641 		    ARG_IS_VALID(kar, ARG_TERMID_ADDR)) {
642 			tok = au_to_arg32(1, "setaudit_addr:auid",
643 			    ar->ar_arg_auid);
644 			kau_write(rec, tok);
645 			tok = au_to_arg32(1, "setaudit_addr:as_success",
646 			    ar->ar_arg_amask.am_success);
647 			kau_write(rec, tok);
648 			tok = au_to_arg32(1, "setaudit_addr:as_failure",
649 			    ar->ar_arg_amask.am_failure);
650 			kau_write(rec, tok);
651 			tok = au_to_arg32(1, "setaudit_addr:asid",
652 			    ar->ar_arg_asid);
653 			kau_write(rec, tok);
654 			tok = au_to_arg32(1, "setaudit_addr:type",
655 			    ar->ar_arg_termid_addr.at_type);
656 			kau_write(rec, tok);
657 			tok = au_to_arg32(1, "setaudit_addr:port",
658 			    ar->ar_arg_termid_addr.at_port);
659 			kau_write(rec, tok);
660 			if (ar->ar_arg_termid_addr.at_type == AU_IPv6)
661 				tok = au_to_in_addr_ex((struct in6_addr *)
662 				    &ar->ar_arg_termid_addr.at_addr[0]);
663 			if (ar->ar_arg_termid_addr.at_type == AU_IPv4)
664 				tok = au_to_in_addr((struct in_addr *)
665 				    &ar->ar_arg_termid_addr.at_addr[0]);
666 			kau_write(rec, tok);
667 		}
668 		break;
669 
670 	case AUE_AUDITON:
671 		/*
672 		 * For AUDITON commands without own event, audit the cmd.
673 		 */
674 		if (ARG_IS_VALID(kar, ARG_CMD)) {
675 			tok = au_to_arg32(1, "cmd", ar->ar_arg_cmd);
676 			kau_write(rec, tok);
677 		}
678 		/* FALLTHROUGH */
679 
680 	case AUE_AUDITON_GETCAR:
681 	case AUE_AUDITON_GETCLASS:
682 	case AUE_AUDITON_GETCOND:
683 	case AUE_AUDITON_GETCWD:
684 	case AUE_AUDITON_GETKMASK:
685 	case AUE_AUDITON_GETSTAT:
686 	case AUE_AUDITON_GPOLICY:
687 	case AUE_AUDITON_GQCTRL:
688 	case AUE_AUDITON_SETCLASS:
689 	case AUE_AUDITON_SETCOND:
690 	case AUE_AUDITON_SETKMASK:
691 	case AUE_AUDITON_SETSMASK:
692 	case AUE_AUDITON_SETSTAT:
693 	case AUE_AUDITON_SETUMASK:
694 	case AUE_AUDITON_SPOLICY:
695 	case AUE_AUDITON_SQCTRL:
696 		if (ARG_IS_VALID(kar, ARG_AUDITON))
697 			audit_sys_auditon(ar, rec);
698 		break;
699 
700 	case AUE_AUDITCTL:
701 		UPATH1_VNODE1_TOKENS;
702 		break;
703 
704 	case AUE_EXIT:
705 		if (ARG_IS_VALID(kar, ARG_EXIT)) {
706 			tok = au_to_exit(ar->ar_arg_exitretval,
707 			    ar->ar_arg_exitstatus);
708 			kau_write(rec, tok);
709 		}
710 		break;
711 
712 	case AUE_ADJTIME:
713 	case AUE_CLOCK_SETTIME:
714 	case AUE_AUDIT:
715 	case AUE_DUP2:
716 	case AUE_GETAUDIT:
717 	case AUE_GETAUDIT_ADDR:
718 	case AUE_GETAUID:
719 	case AUE_GETCWD:
720 	case AUE_GETFSSTAT:
721 	case AUE_GETRESUID:
722 	case AUE_GETRESGID:
723 	case AUE_KQUEUE:
724 	case AUE_MODLOAD:
725 	case AUE_MODUNLOAD:
726 	case AUE_MSGSYS:
727 	case AUE_NTP_ADJTIME:
728 	case AUE_PIPE:
729 	case AUE_POSIX_OPENPT:
730 	case AUE_PROFILE:
731 	case AUE_RTPRIO:
732 	case AUE_SEMSYS:
733 	case AUE_SHMSYS:
734 	case AUE_SETPGRP:
735 	case AUE_SETRLIMIT:
736 	case AUE_SETSID:
737 	case AUE_SETTIMEOFDAY:
738 	case AUE_SYSARCH:
739 
740 		/*
741 		 * Header, subject, and return tokens added at end.
742 		 */
743 		break;
744 
745 	case AUE_CHDIR:
746 	case AUE_CHROOT:
747 	case AUE_FSTATAT:
748 	case AUE_FUTIMESAT:
749 	case AUE_GETATTRLIST:
750 	case AUE_JAIL:
751 	case AUE_LUTIMES:
752 	case AUE_NFS_GETFH:
753 	case AUE_LSTAT:
754 	case AUE_LPATHCONF:
755 	case AUE_PATHCONF:
756 	case AUE_READLINK:
757 	case AUE_READLINKAT:
758 	case AUE_REVOKE:
759 	case AUE_RMDIR:
760 	case AUE_SEARCHFS:
761 	case AUE_SETATTRLIST:
762 	case AUE_STAT:
763 	case AUE_STATFS:
764 	case AUE_SWAPON:
765 	case AUE_SWAPOFF:
766 	case AUE_TRUNCATE:
767 	case AUE_UNDELETE:
768 	case AUE_UNLINK:
769 	case AUE_UNLINKAT:
770 	case AUE_UTIMES:
771 		ATFD1_TOKENS(1);
772 		UPATH1_VNODE1_TOKENS;
773 		break;
774 
775 	case AUE_ACCESS:
776 	case AUE_EACCESS:
777 	case AUE_FACCESSAT:
778 		ATFD1_TOKENS(1);
779 		UPATH1_VNODE1_TOKENS;
780 		if (ARG_IS_VALID(kar, ARG_VALUE)) {
781 			tok = au_to_arg32(2, "mode", ar->ar_arg_value);
782 			kau_write(rec, tok);
783 		}
784 		break;
785 
786 	case AUE_FHSTATFS:
787 	case AUE_FHOPEN:
788 	case AUE_FHSTAT:
789 		/* XXXRW: Need to audit vnode argument. */
790 		break;
791 
792 	case AUE_CHFLAGS:
793 	case AUE_LCHFLAGS:
794 		if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
795 			tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
796 			kau_write(rec, tok);
797 		}
798 		UPATH1_VNODE1_TOKENS;
799 		break;
800 
801 	case AUE_CHMOD:
802 	case AUE_LCHMOD:
803 		if (ARG_IS_VALID(kar, ARG_MODE)) {
804 			tok = au_to_arg32(2, "new file mode",
805 			    ar->ar_arg_mode);
806 			kau_write(rec, tok);
807 		}
808 		UPATH1_VNODE1_TOKENS;
809 		break;
810 
811 	case AUE_FCHMODAT:
812 		ATFD1_TOKENS(1);
813 		if (ARG_IS_VALID(kar, ARG_MODE)) {
814 			tok = au_to_arg32(3, "new file mode",
815 			    ar->ar_arg_mode);
816 			kau_write(rec, tok);
817 		}
818 		UPATH1_VNODE1_TOKENS;
819 		break;
820 
821 	case AUE_CHOWN:
822 	case AUE_LCHOWN:
823 		if (ARG_IS_VALID(kar, ARG_UID)) {
824 			tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid);
825 			kau_write(rec, tok);
826 		}
827 		if (ARG_IS_VALID(kar, ARG_GID)) {
828 			tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid);
829 			kau_write(rec, tok);
830 		}
831 		UPATH1_VNODE1_TOKENS;
832 		break;
833 
834 	case AUE_FCHOWNAT:
835 		ATFD1_TOKENS(1);
836 		if (ARG_IS_VALID(kar, ARG_UID)) {
837 			tok = au_to_arg32(3, "new file uid", ar->ar_arg_uid);
838 			kau_write(rec, tok);
839 		}
840 		if (ARG_IS_VALID(kar, ARG_GID)) {
841 			tok = au_to_arg32(4, "new file gid", ar->ar_arg_gid);
842 			kau_write(rec, tok);
843 		}
844 		UPATH1_VNODE1_TOKENS;
845 		break;
846 
847 	case AUE_EXCHANGEDATA:
848 		UPATH1_VNODE1_TOKENS;
849 		UPATH2_TOKENS;
850 		break;
851 
852 	case AUE_CLOSE:
853 		if (ARG_IS_VALID(kar, ARG_FD)) {
854 			tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
855 			kau_write(rec, tok);
856 		}
857 		UPATH1_VNODE1_TOKENS;
858 		break;
859 
860 	case AUE_CLOSEFROM:
861 		if (ARG_IS_VALID(kar, ARG_FD)) {
862 			tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
863 			kau_write(rec, tok);
864 		}
865 		break;
866 
867 	case AUE_CORE:
868 		if (ARG_IS_VALID(kar, ARG_SIGNUM)) {
869 			tok = au_to_arg32(1, "signal", ar->ar_arg_signum);
870 			kau_write(rec, tok);
871 		}
872 		UPATH1_VNODE1_TOKENS;
873 		break;
874 
875 	case AUE_EXTATTRCTL:
876 		UPATH1_VNODE1_TOKENS;
877 		if (ARG_IS_VALID(kar, ARG_CMD)) {
878 			tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd);
879 			kau_write(rec, tok);
880 		}
881 		/* extattrctl(2) filename parameter is in upath2/vnode2 */
882 		UPATH2_TOKENS;
883 		VNODE2_TOKENS;
884 		EXTATTR_TOKENS(4);
885 		break;
886 
887 	case AUE_EXTATTR_GET_FILE:
888 	case AUE_EXTATTR_SET_FILE:
889 	case AUE_EXTATTR_LIST_FILE:
890 	case AUE_EXTATTR_DELETE_FILE:
891 	case AUE_EXTATTR_GET_LINK:
892 	case AUE_EXTATTR_SET_LINK:
893 	case AUE_EXTATTR_LIST_LINK:
894 	case AUE_EXTATTR_DELETE_LINK:
895 		UPATH1_VNODE1_TOKENS;
896 		EXTATTR_TOKENS(2);
897 		break;
898 
899 	case AUE_EXTATTR_GET_FD:
900 	case AUE_EXTATTR_SET_FD:
901 	case AUE_EXTATTR_LIST_FD:
902 	case AUE_EXTATTR_DELETE_FD:
903 		if (ARG_IS_VALID(kar, ARG_FD)) {
904 			tok = au_to_arg32(2, "fd", ar->ar_arg_fd);
905 			kau_write(rec, tok);
906 		}
907 		EXTATTR_TOKENS(2);
908 		break;
909 
910 	case AUE_FEXECVE:
911 		if (ARG_IS_VALID(kar, ARG_FD)) {
912 			tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
913 			kau_write(rec, tok);
914 		}
915 		/* FALLTHROUGH */
916 
917 	case AUE_EXECVE:
918 	case AUE_MAC_EXECVE:
919 		if (ARG_IS_VALID(kar, ARG_ARGV)) {
920 			tok = au_to_exec_args(ar->ar_arg_argv,
921 			    ar->ar_arg_argc);
922 			kau_write(rec, tok);
923 		}
924 		if (ARG_IS_VALID(kar, ARG_ENVV)) {
925 			tok = au_to_exec_env(ar->ar_arg_envv,
926 			    ar->ar_arg_envc);
927 			kau_write(rec, tok);
928 		}
929 		UPATH1_VNODE1_TOKENS;
930 		break;
931 
932 	case AUE_FCHMOD:
933 		if (ARG_IS_VALID(kar, ARG_MODE)) {
934 			tok = au_to_arg32(2, "new file mode",
935 			    ar->ar_arg_mode);
936 			kau_write(rec, tok);
937 		}
938 		FD_VNODE1_TOKENS;
939 		break;
940 
941 	/*
942 	 * XXXRW: Some of these need to handle non-vnode cases as well.
943 	 */
944 	case AUE_FCHDIR:
945 	case AUE_FPATHCONF:
946 	case AUE_FSTAT:
947 	case AUE_FSTATFS:
948 	case AUE_FSYNC:
949 	case AUE_FTRUNCATE:
950 	case AUE_FUTIMES:
951 	case AUE_GETDIRENTRIES:
952 	case AUE_GETDIRENTRIESATTR:
953 	case AUE_LSEEK:
954 	case AUE_POLL:
955 	case AUE_READ:
956 	case AUE_READV:
957 	case AUE_WRITE:
958 	case AUE_WRITEV:
959 		FD_VNODE1_TOKENS;
960 		break;
961 
962 	case AUE_FCHOWN:
963 		if (ARG_IS_VALID(kar, ARG_UID)) {
964 			tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid);
965 			kau_write(rec, tok);
966 		}
967 		if (ARG_IS_VALID(kar, ARG_GID)) {
968 			tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid);
969 			kau_write(rec, tok);
970 		}
971 		FD_VNODE1_TOKENS;
972 		break;
973 
974 	case AUE_FCNTL:
975 		if (ARG_IS_VALID(kar, ARG_CMD)) {
976 			tok = au_to_arg32(2, "cmd",
977 			    au_fcntl_cmd_to_bsm(ar->ar_arg_cmd));
978 			kau_write(rec, tok);
979 		}
980 		if (ar->ar_arg_cmd == F_GETLK || ar->ar_arg_cmd == F_SETLK ||
981 		    ar->ar_arg_cmd == F_SETLKW) {
982 			FD_VNODE1_TOKENS;
983 		}
984 		break;
985 
986 	case AUE_FCHFLAGS:
987 		if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
988 			tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
989 			kau_write(rec, tok);
990 		}
991 		FD_VNODE1_TOKENS;
992 		break;
993 
994 	case AUE_FLOCK:
995 		if (ARG_IS_VALID(kar, ARG_CMD)) {
996 			tok = au_to_arg32(2, "operation", ar->ar_arg_cmd);
997 			kau_write(rec, tok);
998 		}
999 		FD_VNODE1_TOKENS;
1000 		break;
1001 
1002 	case AUE_RFORK:
1003 		if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1004 			tok = au_to_arg32(1, "flags", ar->ar_arg_fflags);
1005 			kau_write(rec, tok);
1006 		}
1007 		/* FALLTHROUGH */
1008 
1009 	case AUE_FORK:
1010 	case AUE_VFORK:
1011 		if (ARG_IS_VALID(kar, ARG_PID)) {
1012 			tok = au_to_arg32(0, "child PID", ar->ar_arg_pid);
1013 			kau_write(rec, tok);
1014 		}
1015 		break;
1016 
1017 	case AUE_IOCTL:
1018 		if (ARG_IS_VALID(kar, ARG_CMD)) {
1019 			tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd);
1020 			kau_write(rec, tok);
1021 		}
1022 		if (ARG_IS_VALID(kar, ARG_VNODE1))
1023 			FD_VNODE1_TOKENS;
1024 		else {
1025 			if (ARG_IS_VALID(kar, ARG_SOCKINFO)) {
1026 				tok = kau_to_socket(&ar->ar_arg_sockinfo);
1027 				kau_write(rec, tok);
1028 			} else {
1029 				if (ARG_IS_VALID(kar, ARG_FD)) {
1030 					tok = au_to_arg32(1, "fd",
1031 					    ar->ar_arg_fd);
1032 					kau_write(rec, tok);
1033 				}
1034 			}
1035 		}
1036 		break;
1037 
1038 	case AUE_KILL:
1039 	case AUE_KILLPG:
1040 		if (ARG_IS_VALID(kar, ARG_SIGNUM)) {
1041 			tok = au_to_arg32(2, "signal", ar->ar_arg_signum);
1042 			kau_write(rec, tok);
1043 		}
1044 		PROCESS_PID_TOKENS(1);
1045 		break;
1046 
1047 	case AUE_KTRACE:
1048 		if (ARG_IS_VALID(kar, ARG_CMD)) {
1049 			tok = au_to_arg32(2, "ops", ar->ar_arg_cmd);
1050 			kau_write(rec, tok);
1051 		}
1052 		if (ARG_IS_VALID(kar, ARG_VALUE)) {
1053 			tok = au_to_arg32(3, "trpoints", ar->ar_arg_value);
1054 			kau_write(rec, tok);
1055 		}
1056 		PROCESS_PID_TOKENS(4);
1057 		UPATH1_VNODE1_TOKENS;
1058 		break;
1059 
1060 	case AUE_LINK:
1061 	case AUE_LINKAT:
1062 	case AUE_RENAME:
1063 	case AUE_RENAMEAT:
1064 		ATFD1_TOKENS(1);
1065 		UPATH1_VNODE1_TOKENS;
1066 		ATFD2_TOKENS(3);
1067 		UPATH2_TOKENS;
1068 		break;
1069 
1070 	case AUE_LOADSHFILE:
1071 		ADDR_TOKEN(4, "base addr");
1072 		UPATH1_VNODE1_TOKENS;
1073 		break;
1074 
1075 	case AUE_MKDIR:
1076 	case AUE_MKDIRAT:
1077 	case AUE_MKFIFO:
1078 	case AUE_MKFIFOAT:
1079 		ATFD1_TOKENS(1);
1080 		if (ARG_IS_VALID(kar, ARG_MODE)) {
1081 			tok = au_to_arg32(2, "mode", ar->ar_arg_mode);
1082 			kau_write(rec, tok);
1083 		}
1084 		UPATH1_VNODE1_TOKENS;
1085 		break;
1086 
1087 	case AUE_MKNOD:
1088 	case AUE_MKNODAT:
1089 		ATFD1_TOKENS(1);
1090 		if (ARG_IS_VALID(kar, ARG_MODE)) {
1091 			tok = au_to_arg32(2, "mode", ar->ar_arg_mode);
1092 			kau_write(rec, tok);
1093 		}
1094 		if (ARG_IS_VALID(kar, ARG_DEV)) {
1095 			tok = au_to_arg32(3, "dev", ar->ar_arg_dev);
1096 			kau_write(rec, tok);
1097 		}
1098 		UPATH1_VNODE1_TOKENS;
1099 		break;
1100 
1101 	case AUE_MMAP:
1102 	case AUE_MUNMAP:
1103 	case AUE_MPROTECT:
1104 	case AUE_MLOCK:
1105 	case AUE_MUNLOCK:
1106 	case AUE_MINHERIT:
1107 		ADDR_TOKEN(1, "addr");
1108 		if (ARG_IS_VALID(kar, ARG_LEN)) {
1109 			tok = au_to_arg32(2, "len", ar->ar_arg_len);
1110 			kau_write(rec, tok);
1111 		}
1112 		if (ar->ar_event == AUE_MMAP)
1113 			FD_VNODE1_TOKENS;
1114 		if (ar->ar_event == AUE_MPROTECT) {
1115 			if (ARG_IS_VALID(kar, ARG_VALUE)) {
1116 				tok = au_to_arg32(3, "protection",
1117 				    ar->ar_arg_value);
1118 				kau_write(rec, tok);
1119 			}
1120 		}
1121 		if (ar->ar_event == AUE_MINHERIT) {
1122 			if (ARG_IS_VALID(kar, ARG_VALUE)) {
1123 				tok = au_to_arg32(3, "inherit",
1124 				    ar->ar_arg_value);
1125 				kau_write(rec, tok);
1126 			}
1127 		}
1128 		break;
1129 
1130 	case AUE_MOUNT:
1131 	case AUE_NMOUNT:
1132 		/* XXX Need to handle NFS mounts */
1133 		if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1134 			tok = au_to_arg32(3, "flags", ar->ar_arg_fflags);
1135 			kau_write(rec, tok);
1136 		}
1137 		if (ARG_IS_VALID(kar, ARG_TEXT)) {
1138 			tok = au_to_text(ar->ar_arg_text);
1139 			kau_write(rec, tok);
1140 		}
1141 		/* FALLTHROUGH */
1142 
1143 	case AUE_NFS_SVC:
1144 		if (ARG_IS_VALID(kar, ARG_CMD)) {
1145 			tok = au_to_arg32(1, "flags", ar->ar_arg_cmd);
1146 			kau_write(rec, tok);
1147 		}
1148 		break;
1149 
1150 	case AUE_UMOUNT:
1151 		if (ARG_IS_VALID(kar, ARG_VALUE)) {
1152 			tok = au_to_arg32(2, "flags", ar->ar_arg_value);
1153 			kau_write(rec, tok);
1154 		}
1155 		UPATH1_VNODE1_TOKENS;
1156 		if (ARG_IS_VALID(kar, ARG_TEXT)) {
1157 			tok = au_to_text(ar->ar_arg_text);
1158 			kau_write(rec, tok);
1159 		}
1160 		break;
1161 
1162 	case AUE_MSGCTL:
1163 		ar->ar_event = audit_msgctl_to_event(ar->ar_arg_svipc_cmd);
1164 		/* Fall through */
1165 
1166 	case AUE_MSGRCV:
1167 	case AUE_MSGSND:
1168 		tok = au_to_arg32(1, "msg ID", ar->ar_arg_svipc_id);
1169 		kau_write(rec, tok);
1170 		if (ar->ar_errno != EINVAL) {
1171 			tok = au_to_ipc(AT_IPC_MSG, ar->ar_arg_svipc_id);
1172 			kau_write(rec, tok);
1173 		}
1174 		break;
1175 
1176 	case AUE_MSGGET:
1177 		if (ar->ar_errno == 0) {
1178 			if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1179 				tok = au_to_ipc(AT_IPC_MSG,
1180 				    ar->ar_arg_svipc_id);
1181 				kau_write(rec, tok);
1182 			}
1183 		}
1184 		break;
1185 
1186 	case AUE_RESETSHFILE:
1187 		ADDR_TOKEN(1, "base addr");
1188 		break;
1189 
1190 	case AUE_OPEN_RC:
1191 	case AUE_OPEN_RTC:
1192 	case AUE_OPEN_RWC:
1193 	case AUE_OPEN_RWTC:
1194 	case AUE_OPEN_WC:
1195 	case AUE_OPEN_WTC:
1196 	case AUE_CREAT:
1197 		if (ARG_IS_VALID(kar, ARG_MODE)) {
1198 			tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1199 			kau_write(rec, tok);
1200 		}
1201 		/* FALLTHROUGH */
1202 
1203 	case AUE_OPEN_R:
1204 	case AUE_OPEN_RT:
1205 	case AUE_OPEN_RW:
1206 	case AUE_OPEN_RWT:
1207 	case AUE_OPEN_W:
1208 	case AUE_OPEN_WT:
1209 		if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1210 			tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1211 			kau_write(rec, tok);
1212 		}
1213 		UPATH1_VNODE1_TOKENS;
1214 		break;
1215 
1216 	case AUE_OPENAT_RC:
1217 	case AUE_OPENAT_RTC:
1218 	case AUE_OPENAT_RWC:
1219 	case AUE_OPENAT_RWTC:
1220 	case AUE_OPENAT_WC:
1221 	case AUE_OPENAT_WTC:
1222 		if (ARG_IS_VALID(kar, ARG_MODE)) {
1223 			tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1224 			kau_write(rec, tok);
1225 		}
1226 		/* FALLTHROUGH */
1227 
1228 	case AUE_OPENAT_R:
1229 	case AUE_OPENAT_RT:
1230 	case AUE_OPENAT_RW:
1231 	case AUE_OPENAT_RWT:
1232 	case AUE_OPENAT_W:
1233 	case AUE_OPENAT_WT:
1234 		if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1235 			tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1236 			kau_write(rec, tok);
1237 		}
1238 		ATFD1_TOKENS(1);
1239 		UPATH1_VNODE1_TOKENS;
1240 		break;
1241 
1242 	case AUE_PTRACE:
1243 		if (ARG_IS_VALID(kar, ARG_CMD)) {
1244 			tok = au_to_arg32(1, "request", ar->ar_arg_cmd);
1245 			kau_write(rec, tok);
1246 		}
1247 		if (ARG_IS_VALID(kar, ARG_VALUE)) {
1248 			tok = au_to_arg32(4, "data", ar->ar_arg_value);
1249 			kau_write(rec, tok);
1250 		}
1251 		PROCESS_PID_TOKENS(2);
1252 		break;
1253 
1254 	case AUE_QUOTACTL:
1255 		if (ARG_IS_VALID(kar, ARG_CMD)) {
1256 			tok = au_to_arg32(2, "command", ar->ar_arg_cmd);
1257 			kau_write(rec, tok);
1258 		}
1259 		if (ARG_IS_VALID(kar, ARG_UID)) {
1260 			tok = au_to_arg32(3, "uid", ar->ar_arg_uid);
1261 			kau_write(rec, tok);
1262 		}
1263 		if (ARG_IS_VALID(kar, ARG_GID)) {
1264 			tok = au_to_arg32(3, "gid", ar->ar_arg_gid);
1265 			kau_write(rec, tok);
1266 		}
1267 		UPATH1_VNODE1_TOKENS;
1268 		break;
1269 
1270 	case AUE_REBOOT:
1271 		if (ARG_IS_VALID(kar, ARG_CMD)) {
1272 			tok = au_to_arg32(1, "howto", ar->ar_arg_cmd);
1273 			kau_write(rec, tok);
1274 		}
1275 		break;
1276 
1277 	case AUE_SEMCTL:
1278 		ar->ar_event = audit_semctl_to_event(ar->ar_arg_svipc_cmd);
1279 		/* Fall through */
1280 
1281 	case AUE_SEMOP:
1282 		if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1283 			tok = au_to_arg32(1, "sem ID", ar->ar_arg_svipc_id);
1284 			kau_write(rec, tok);
1285 			if (ar->ar_errno != EINVAL) {
1286 				tok = au_to_ipc(AT_IPC_SEM,
1287 				    ar->ar_arg_svipc_id);
1288 				kau_write(rec, tok);
1289 			}
1290 		}
1291 		break;
1292 
1293 	case AUE_SEMGET:
1294 		if (ar->ar_errno == 0) {
1295 			if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1296 				tok = au_to_ipc(AT_IPC_SEM,
1297 				    ar->ar_arg_svipc_id);
1298 				kau_write(rec, tok);
1299 			}
1300 		}
1301 		break;
1302 
1303 	case AUE_SETEGID:
1304 		if (ARG_IS_VALID(kar, ARG_EGID)) {
1305 			tok = au_to_arg32(1, "egid", ar->ar_arg_egid);
1306 			kau_write(rec, tok);
1307 		}
1308 		break;
1309 
1310 	case AUE_SETEUID:
1311 		if (ARG_IS_VALID(kar, ARG_EUID)) {
1312 			tok = au_to_arg32(1, "euid", ar->ar_arg_euid);
1313 			kau_write(rec, tok);
1314 		}
1315 		break;
1316 
1317 	case AUE_SETREGID:
1318 		if (ARG_IS_VALID(kar, ARG_RGID)) {
1319 			tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid);
1320 			kau_write(rec, tok);
1321 		}
1322 		if (ARG_IS_VALID(kar, ARG_EGID)) {
1323 			tok = au_to_arg32(2, "egid", ar->ar_arg_egid);
1324 			kau_write(rec, tok);
1325 		}
1326 		break;
1327 
1328 	case AUE_SETREUID:
1329 		if (ARG_IS_VALID(kar, ARG_RUID)) {
1330 			tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid);
1331 			kau_write(rec, tok);
1332 		}
1333 		if (ARG_IS_VALID(kar, ARG_EUID)) {
1334 			tok = au_to_arg32(2, "euid", ar->ar_arg_euid);
1335 			kau_write(rec, tok);
1336 		}
1337 		break;
1338 
1339 	case AUE_SETRESGID:
1340 		if (ARG_IS_VALID(kar, ARG_RGID)) {
1341 			tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid);
1342 			kau_write(rec, tok);
1343 		}
1344 		if (ARG_IS_VALID(kar, ARG_EGID)) {
1345 			tok = au_to_arg32(2, "egid", ar->ar_arg_egid);
1346 			kau_write(rec, tok);
1347 		}
1348 		if (ARG_IS_VALID(kar, ARG_SGID)) {
1349 			tok = au_to_arg32(3, "sgid", ar->ar_arg_sgid);
1350 			kau_write(rec, tok);
1351 		}
1352 		break;
1353 
1354 	case AUE_SETRESUID:
1355 		if (ARG_IS_VALID(kar, ARG_RUID)) {
1356 			tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid);
1357 			kau_write(rec, tok);
1358 		}
1359 		if (ARG_IS_VALID(kar, ARG_EUID)) {
1360 			tok = au_to_arg32(2, "euid", ar->ar_arg_euid);
1361 			kau_write(rec, tok);
1362 		}
1363 		if (ARG_IS_VALID(kar, ARG_SUID)) {
1364 			tok = au_to_arg32(3, "suid", ar->ar_arg_suid);
1365 			kau_write(rec, tok);
1366 		}
1367 		break;
1368 
1369 	case AUE_SETGID:
1370 		if (ARG_IS_VALID(kar, ARG_GID)) {
1371 			tok = au_to_arg32(1, "gid", ar->ar_arg_gid);
1372 			kau_write(rec, tok);
1373 		}
1374 		break;
1375 
1376 	case AUE_SETUID:
1377 		if (ARG_IS_VALID(kar, ARG_UID)) {
1378 			tok = au_to_arg32(1, "uid", ar->ar_arg_uid);
1379 			kau_write(rec, tok);
1380 		}
1381 		break;
1382 
1383 	case AUE_SETGROUPS:
1384 		if (ARG_IS_VALID(kar, ARG_GROUPSET)) {
1385 			for(ctr = 0; ctr < ar->ar_arg_groups.gidset_size; ctr++)
1386 			{
1387 				tok = au_to_arg32(1, "setgroups",
1388 				    ar->ar_arg_groups.gidset[ctr]);
1389 				kau_write(rec, tok);
1390 			}
1391 		}
1392 		break;
1393 
1394 	case AUE_SETLOGIN:
1395 		if (ARG_IS_VALID(kar, ARG_TEXT)) {
1396 			tok = au_to_text(ar->ar_arg_text);
1397 			kau_write(rec, tok);
1398 		}
1399 		break;
1400 
1401 	case AUE_SETPRIORITY:
1402 		if (ARG_IS_VALID(kar, ARG_CMD)) {
1403 			tok = au_to_arg32(1, "which", ar->ar_arg_cmd);
1404 			kau_write(rec, tok);
1405 		}
1406 		if (ARG_IS_VALID(kar, ARG_UID)) {
1407 			tok = au_to_arg32(2, "who", ar->ar_arg_uid);
1408 			kau_write(rec, tok);
1409 		}
1410 		PROCESS_PID_TOKENS(2);
1411 		if (ARG_IS_VALID(kar, ARG_VALUE)) {
1412 			tok = au_to_arg32(3, "priority", ar->ar_arg_value);
1413 			kau_write(rec, tok);
1414 		}
1415 		break;
1416 
1417 	case AUE_SETPRIVEXEC:
1418 		if (ARG_IS_VALID(kar, ARG_VALUE)) {
1419 			tok = au_to_arg32(1, "flag", ar->ar_arg_value);
1420 			kau_write(rec, tok);
1421 		}
1422 		break;
1423 
1424 	/* AUE_SHMAT, AUE_SHMCTL, AUE_SHMDT and AUE_SHMGET are SysV IPC */
1425 	case AUE_SHMAT:
1426 		if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1427 			tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id);
1428 			kau_write(rec, tok);
1429 			/* XXXAUDIT: Does having the ipc token make sense? */
1430 			tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id);
1431 			kau_write(rec, tok);
1432 		}
1433 		if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1434 			tok = au_to_arg32(2, "shmaddr",
1435 			    (int)(uintptr_t)ar->ar_arg_svipc_addr);
1436 			kau_write(rec, tok);
1437 		}
1438 		if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1439 			tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1440 			kau_write(rec, tok);
1441 		}
1442 		break;
1443 
1444 	case AUE_SHMCTL:
1445 		if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1446 			tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id);
1447 			kau_write(rec, tok);
1448 			/* XXXAUDIT: Does having the ipc token make sense? */
1449 			tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id);
1450 			kau_write(rec, tok);
1451 		}
1452 		switch (ar->ar_arg_svipc_cmd) {
1453 		case IPC_STAT:
1454 			ar->ar_event = AUE_SHMCTL_STAT;
1455 			break;
1456 		case IPC_RMID:
1457 			ar->ar_event = AUE_SHMCTL_RMID;
1458 			break;
1459 		case IPC_SET:
1460 			ar->ar_event = AUE_SHMCTL_SET;
1461 			if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1462 				tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1463 				kau_write(rec, tok);
1464 			}
1465 			break;
1466 		default:
1467 			break;	/* We will audit a bad command */
1468 		}
1469 		break;
1470 
1471 	case AUE_SHMDT:
1472 		if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1473 			tok = au_to_arg32(1, "shmaddr",
1474 			    (int)(uintptr_t)ar->ar_arg_svipc_addr);
1475 			kau_write(rec, tok);
1476 		}
1477 		break;
1478 
1479 	case AUE_SHMGET:
1480 		/* This is unusual; the return value is in an argument token */
1481 		if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1482 			tok = au_to_arg32(0, "shmid", ar->ar_arg_svipc_id);
1483 			kau_write(rec, tok);
1484 			tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id);
1485 			kau_write(rec, tok);
1486 		}
1487 		if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1488 			tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1489 			kau_write(rec, tok);
1490 		}
1491 		break;
1492 
1493 	/* AUE_SHMOPEN, AUE_SHMUNLINK, AUE_SEMOPEN, AUE_SEMCLOSE
1494 	 * and AUE_SEMUNLINK are Posix IPC */
1495 	case AUE_SHMOPEN:
1496 		if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1497 			tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1498 			kau_write(rec, tok);
1499 		}
1500 		if (ARG_IS_VALID(kar, ARG_MODE)) {
1501 			tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1502 			kau_write(rec, tok);
1503 		}
1504 		/* FALLTHROUGH */
1505 
1506 	case AUE_SHMUNLINK:
1507 		if (ARG_IS_VALID(kar, ARG_TEXT)) {
1508 			tok = au_to_text(ar->ar_arg_text);
1509 			kau_write(rec, tok);
1510 		}
1511 		if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) {
1512 			struct ipc_perm perm;
1513 
1514 			perm.uid = ar->ar_arg_pipc_perm.pipc_uid;
1515 			perm.gid = ar->ar_arg_pipc_perm.pipc_gid;
1516 			perm.cuid = ar->ar_arg_pipc_perm.pipc_uid;
1517 			perm.cgid = ar->ar_arg_pipc_perm.pipc_gid;
1518 			perm.mode = ar->ar_arg_pipc_perm.pipc_mode;
1519 			perm.seq = 0;
1520 			perm.key = 0;
1521 			tok = au_to_ipc_perm(&perm);
1522 			kau_write(rec, tok);
1523 		}
1524 		break;
1525 
1526 	case AUE_SEMOPEN:
1527 		if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1528 			tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1529 			kau_write(rec, tok);
1530 		}
1531 		if (ARG_IS_VALID(kar, ARG_MODE)) {
1532 			tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1533 			kau_write(rec, tok);
1534 		}
1535 		if (ARG_IS_VALID(kar, ARG_VALUE)) {
1536 			tok = au_to_arg32(4, "value", ar->ar_arg_value);
1537 			kau_write(rec, tok);
1538 		}
1539 		/* FALLTHROUGH */
1540 
1541 	case AUE_SEMUNLINK:
1542 		if (ARG_IS_VALID(kar, ARG_TEXT)) {
1543 			tok = au_to_text(ar->ar_arg_text);
1544 			kau_write(rec, tok);
1545 		}
1546 		if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) {
1547 			struct ipc_perm perm;
1548 
1549 			perm.uid = ar->ar_arg_pipc_perm.pipc_uid;
1550 			perm.gid = ar->ar_arg_pipc_perm.pipc_gid;
1551 			perm.cuid = ar->ar_arg_pipc_perm.pipc_uid;
1552 			perm.cgid = ar->ar_arg_pipc_perm.pipc_gid;
1553 			perm.mode = ar->ar_arg_pipc_perm.pipc_mode;
1554 			perm.seq = 0;
1555 			perm.key = 0;
1556 			tok = au_to_ipc_perm(&perm);
1557 			kau_write(rec, tok);
1558 		}
1559 		break;
1560 
1561 	case AUE_SEMCLOSE:
1562 		if (ARG_IS_VALID(kar, ARG_FD)) {
1563 			tok = au_to_arg32(1, "sem", ar->ar_arg_fd);
1564 			kau_write(rec, tok);
1565 		}
1566 		break;
1567 
1568 	case AUE_SYMLINK:
1569 	case AUE_SYMLINKAT:
1570 		if (ARG_IS_VALID(kar, ARG_TEXT)) {
1571 			tok = au_to_text(ar->ar_arg_text);
1572 			kau_write(rec, tok);
1573 		}
1574 		ATFD1_TOKENS(1);
1575 		UPATH1_VNODE1_TOKENS;
1576 		break;
1577 
1578 	case AUE_SYSCTL:
1579 	case AUE_SYSCTL_NONADMIN:
1580 		if (ARG_IS_VALID(kar, ARG_CTLNAME | ARG_LEN)) {
1581 			for (ctr = 0; ctr < ar->ar_arg_len; ctr++) {
1582 				tok = au_to_arg32(1, "name",
1583 				    ar->ar_arg_ctlname[ctr]);
1584 				kau_write(rec, tok);
1585 			}
1586 		}
1587 		if (ARG_IS_VALID(kar, ARG_VALUE)) {
1588 			tok = au_to_arg32(5, "newval", ar->ar_arg_value);
1589 			kau_write(rec, tok);
1590 		}
1591 		if (ARG_IS_VALID(kar, ARG_TEXT)) {
1592 			tok = au_to_text(ar->ar_arg_text);
1593 			kau_write(rec, tok);
1594 		}
1595 		break;
1596 
1597 	case AUE_UMASK:
1598 		if (ARG_IS_VALID(kar, ARG_MASK)) {
1599 			tok = au_to_arg32(1, "new mask", ar->ar_arg_mask);
1600 			kau_write(rec, tok);
1601 		}
1602 		tok = au_to_arg32(0, "prev mask", ar->ar_retval);
1603 		kau_write(rec, tok);
1604 		break;
1605 
1606 	case AUE_WAIT4:
1607 		PROCESS_PID_TOKENS(1);
1608 		if (ARG_IS_VALID(kar, ARG_VALUE)) {
1609 			tok = au_to_arg32(3, "options", ar->ar_arg_value);
1610 			kau_write(rec, tok);
1611 		}
1612 		break;
1613 
1614 	case AUE_CAP_NEW:
1615 	case AUE_CAP_RIGHTS_LIMIT:
1616 		/*
1617 		 * XXXRW/XXXJA: Would be nice to audit socket/etc information.
1618 		 */
1619 		FD_VNODE1_TOKENS;
1620 		if (ARG_IS_VALID(kar, ARG_RIGHTS)) {
1621 			tok = au_to_arg64(2, "rights", ar->ar_arg_rights);
1622 			kau_write(rec, tok);
1623 		}
1624 		break;
1625 
1626 	case AUE_CAP_FCNTLS_GET:
1627 	case AUE_CAP_IOCTLS_GET:
1628 	case AUE_CAP_IOCTLS_LIMIT:
1629 	case AUE_CAP_RIGHTS_GET:
1630 		if (ARG_IS_VALID(kar, ARG_FD)) {
1631 			tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
1632 			kau_write(rec, tok);
1633 		}
1634 		break;
1635 
1636 	case AUE_CAP_FCNTLS_LIMIT:
1637 		FD_VNODE1_TOKENS;
1638 		if (ARG_IS_VALID(kar, ARG_FCNTL_RIGHTS)) {
1639 			tok = au_to_arg32(2, "fcntlrights",
1640 			    ar->ar_arg_fcntl_rights);
1641 			kau_write(rec, tok);
1642 		}
1643 		break;
1644 
1645 	case AUE_CAP_ENTER:
1646 	case AUE_CAP_GETMODE:
1647 		break;
1648 
1649 	case AUE_NULL:
1650 	default:
1651 		printf("BSM conversion requested for unknown event %d\n",
1652 		    ar->ar_event);
1653 
1654 		/*
1655 		 * Write the subject token so it is properly freed here.
1656 		 */
1657 		if (jail_tok != NULL)
1658 			kau_write(rec, jail_tok);
1659 		kau_write(rec, subj_tok);
1660 		kau_free(rec);
1661 		return (BSM_NOAUDIT);
1662 	}
1663 
1664 	if (jail_tok != NULL)
1665 		kau_write(rec, jail_tok);
1666 	kau_write(rec, subj_tok);
1667 	tok = au_to_return32(au_errno_to_bsm(ar->ar_errno), ar->ar_retval);
1668 	kau_write(rec, tok);  /* Every record gets a return token */
1669 
1670 	kau_close(rec, &ar->ar_endtime, ar->ar_event);
1671 
1672 	*pau = rec;
1673 	return (BSM_SUCCESS);
1674 }
1675 
1676 /*
1677  * Verify that a record is a valid BSM record. This verification is simple
1678  * now, but may be expanded on sometime in the future.  Return 1 if the
1679  * record is good, 0 otherwise.
1680  */
1681 int
1682 bsm_rec_verify(void *rec)
1683 {
1684 	char c = *(char *)rec;
1685 
1686 	/*
1687 	 * Check the token ID of the first token; it has to be a header
1688 	 * token.
1689 	 *
1690 	 * XXXAUDIT There needs to be a token structure to map a token.
1691 	 * XXXAUDIT 'Shouldn't be simply looking at the first char.
1692 	 */
1693 	if ((c != AUT_HEADER32) && (c != AUT_HEADER32_EX) &&
1694 	    (c != AUT_HEADER64) && (c != AUT_HEADER64_EX))
1695 		return (0);
1696 	return (1);
1697 }
1698