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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_PREAD:
956         case AUE_PWRITE:
957         case AUE_READ:
958         case AUE_READV:
959         case AUE_WRITE:
960         case AUE_WRITEV:
961                 FD_VNODE1_TOKENS;
962                 break;
963
964         case AUE_FCHOWN:
965                 if (ARG_IS_VALID(kar, ARG_UID)) {
966                         tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid);
967                         kau_write(rec, tok);
968                 }
969                 if (ARG_IS_VALID(kar, ARG_GID)) {
970                         tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid);
971                         kau_write(rec, tok);
972                 }
973                 FD_VNODE1_TOKENS;
974                 break;
975
976         case AUE_FCNTL:
977                 if (ARG_IS_VALID(kar, ARG_CMD)) {
978                         tok = au_to_arg32(2, "cmd",
979                             au_fcntl_cmd_to_bsm(ar->ar_arg_cmd));
980                         kau_write(rec, tok);
981                 }
982                 FD_VNODE1_TOKENS;
983                 break;
984
985         case AUE_FCHFLAGS:
986                 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
987                         tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
988                         kau_write(rec, tok);
989                 }
990                 FD_VNODE1_TOKENS;
991                 break;
992
993         case AUE_FLOCK:
994                 if (ARG_IS_VALID(kar, ARG_CMD)) {
995                         tok = au_to_arg32(2, "operation", ar->ar_arg_cmd);
996                         kau_write(rec, tok);
997                 }
998                 FD_VNODE1_TOKENS;
999                 break;
1000
1001         case AUE_RFORK:
1002                 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1003                         tok = au_to_arg32(1, "flags", ar->ar_arg_fflags);
1004                         kau_write(rec, tok);
1005                 }
1006                 /* FALLTHROUGH */
1007
1008         case AUE_FORK:
1009         case AUE_VFORK:
1010                 if (ARG_IS_VALID(kar, ARG_PID)) {
1011                         tok = au_to_arg32(0, "child PID", ar->ar_arg_pid);
1012                         kau_write(rec, tok);
1013                 }
1014                 break;
1015
1016         case AUE_IOCTL:
1017                 if (ARG_IS_VALID(kar, ARG_CMD)) {
1018                         tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd);
1019                         kau_write(rec, tok);
1020                 }
1021                 if (ARG_IS_VALID(kar, ARG_VNODE1))
1022                         FD_VNODE1_TOKENS;
1023                 else {
1024                         if (ARG_IS_VALID(kar, ARG_SOCKINFO)) {
1025                                 tok = kau_to_socket(&ar->ar_arg_sockinfo);
1026                                 kau_write(rec, tok);
1027                         } else {
1028                                 if (ARG_IS_VALID(kar, ARG_FD)) {
1029                                         tok = au_to_arg32(1, "fd",
1030                                             ar->ar_arg_fd);
1031                                         kau_write(rec, tok);
1032                                 }
1033                         }
1034                 }
1035                 break;
1036
1037         case AUE_KILL:
1038         case AUE_KILLPG:
1039                 if (ARG_IS_VALID(kar, ARG_SIGNUM)) {
1040                         tok = au_to_arg32(2, "signal", ar->ar_arg_signum);
1041                         kau_write(rec, tok);
1042                 }
1043                 PROCESS_PID_TOKENS(1);
1044                 break;
1045
1046         case AUE_KTRACE:
1047                 if (ARG_IS_VALID(kar, ARG_CMD)) {
1048                         tok = au_to_arg32(2, "ops", ar->ar_arg_cmd);
1049                         kau_write(rec, tok);
1050                 }
1051                 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1052                         tok = au_to_arg32(3, "trpoints", ar->ar_arg_value);
1053                         kau_write(rec, tok);
1054                 }
1055                 PROCESS_PID_TOKENS(4);
1056                 UPATH1_VNODE1_TOKENS;
1057                 break;
1058
1059         case AUE_LINK:
1060         case AUE_LINKAT:
1061         case AUE_RENAME:
1062         case AUE_RENAMEAT:
1063                 ATFD1_TOKENS(1);
1064                 UPATH1_VNODE1_TOKENS;
1065                 ATFD2_TOKENS(3);
1066                 UPATH2_TOKENS;
1067                 break;
1068
1069         case AUE_LOADSHFILE:
1070                 ADDR_TOKEN(4, "base addr");
1071                 UPATH1_VNODE1_TOKENS;
1072                 break;
1073
1074         case AUE_MKDIR:
1075         case AUE_MKDIRAT:
1076         case AUE_MKFIFO:
1077         case AUE_MKFIFOAT:
1078                 ATFD1_TOKENS(1);
1079                 if (ARG_IS_VALID(kar, ARG_MODE)) {
1080                         tok = au_to_arg32(2, "mode", ar->ar_arg_mode);
1081                         kau_write(rec, tok);
1082                 }
1083                 UPATH1_VNODE1_TOKENS;
1084                 break;
1085
1086         case AUE_MKNOD:
1087         case AUE_MKNODAT:
1088                 ATFD1_TOKENS(1);
1089                 if (ARG_IS_VALID(kar, ARG_MODE)) {
1090                         tok = au_to_arg32(2, "mode", ar->ar_arg_mode);
1091                         kau_write(rec, tok);
1092                 }
1093                 if (ARG_IS_VALID(kar, ARG_DEV)) {
1094                         tok = au_to_arg32(3, "dev", ar->ar_arg_dev);
1095                         kau_write(rec, tok);
1096                 }
1097                 UPATH1_VNODE1_TOKENS;
1098                 break;
1099
1100         case AUE_MMAP:
1101         case AUE_MUNMAP:
1102         case AUE_MPROTECT:
1103         case AUE_MLOCK:
1104         case AUE_MUNLOCK:
1105         case AUE_MINHERIT:
1106                 ADDR_TOKEN(1, "addr");
1107                 if (ARG_IS_VALID(kar, ARG_LEN)) {
1108                         tok = au_to_arg32(2, "len", ar->ar_arg_len);
1109                         kau_write(rec, tok);
1110                 }
1111                 if (ar->ar_event == AUE_MMAP)
1112                         FD_VNODE1_TOKENS;
1113                 if (ar->ar_event == AUE_MPROTECT) {
1114                         if (ARG_IS_VALID(kar, ARG_VALUE)) {
1115                                 tok = au_to_arg32(3, "protection",
1116                                     ar->ar_arg_value);
1117                                 kau_write(rec, tok);
1118                         }
1119                 }
1120                 if (ar->ar_event == AUE_MINHERIT) {
1121                         if (ARG_IS_VALID(kar, ARG_VALUE)) {
1122                                 tok = au_to_arg32(3, "inherit",
1123                                     ar->ar_arg_value);
1124                                 kau_write(rec, tok);
1125                         }
1126                 }
1127                 break;
1128
1129         case AUE_MOUNT:
1130         case AUE_NMOUNT:
1131                 /* XXX Need to handle NFS mounts */
1132                 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1133                         tok = au_to_arg32(3, "flags", ar->ar_arg_fflags);
1134                         kau_write(rec, tok);
1135                 }
1136                 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1137                         tok = au_to_text(ar->ar_arg_text);
1138                         kau_write(rec, tok);
1139                 }
1140                 /* FALLTHROUGH */
1141
1142         case AUE_NFS_SVC:
1143                 if (ARG_IS_VALID(kar, ARG_CMD)) {
1144                         tok = au_to_arg32(1, "flags", ar->ar_arg_cmd);
1145                         kau_write(rec, tok);
1146                 }
1147                 break;
1148
1149         case AUE_UMOUNT:
1150                 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1151                         tok = au_to_arg32(2, "flags", ar->ar_arg_value);
1152                         kau_write(rec, tok);
1153                 }
1154                 UPATH1_VNODE1_TOKENS;
1155                 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1156                         tok = au_to_text(ar->ar_arg_text);
1157                         kau_write(rec, tok);
1158                 }
1159                 break;
1160
1161         case AUE_MSGCTL:
1162                 ar->ar_event = audit_msgctl_to_event(ar->ar_arg_svipc_cmd);
1163                 /* Fall through */
1164
1165         case AUE_MSGRCV:
1166         case AUE_MSGSND:
1167                 tok = au_to_arg32(1, "msg ID", ar->ar_arg_svipc_id);
1168                 kau_write(rec, tok);
1169                 if (ar->ar_errno != EINVAL) {
1170                         tok = au_to_ipc(AT_IPC_MSG, ar->ar_arg_svipc_id);
1171                         kau_write(rec, tok);
1172                 }
1173                 break;
1174
1175         case AUE_MSGGET:
1176                 if (ar->ar_errno == 0) {
1177                         if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1178                                 tok = au_to_ipc(AT_IPC_MSG,
1179                                     ar->ar_arg_svipc_id);
1180                                 kau_write(rec, tok);
1181                         }
1182                 }
1183                 break;
1184
1185         case AUE_RESETSHFILE:
1186                 ADDR_TOKEN(1, "base addr");
1187                 break;
1188
1189         case AUE_OPEN_RC:
1190         case AUE_OPEN_RTC:
1191         case AUE_OPEN_RWC:
1192         case AUE_OPEN_RWTC:
1193         case AUE_OPEN_WC:
1194         case AUE_OPEN_WTC:
1195         case AUE_CREAT:
1196                 if (ARG_IS_VALID(kar, ARG_MODE)) {
1197                         tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1198                         kau_write(rec, tok);
1199                 }
1200                 /* FALLTHROUGH */
1201
1202         case AUE_OPEN_R:
1203         case AUE_OPEN_RT:
1204         case AUE_OPEN_RW:
1205         case AUE_OPEN_RWT:
1206         case AUE_OPEN_W:
1207         case AUE_OPEN_WT:
1208                 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1209                         tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1210                         kau_write(rec, tok);
1211                 }
1212                 UPATH1_VNODE1_TOKENS;
1213                 break;
1214
1215         case AUE_OPENAT_RC:
1216         case AUE_OPENAT_RTC:
1217         case AUE_OPENAT_RWC:
1218         case AUE_OPENAT_RWTC:
1219         case AUE_OPENAT_WC:
1220         case AUE_OPENAT_WTC:
1221                 if (ARG_IS_VALID(kar, ARG_MODE)) {
1222                         tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1223                         kau_write(rec, tok);
1224                 }
1225                 /* FALLTHROUGH */
1226
1227         case AUE_OPENAT_R:
1228         case AUE_OPENAT_RT:
1229         case AUE_OPENAT_RW:
1230         case AUE_OPENAT_RWT:
1231         case AUE_OPENAT_W:
1232         case AUE_OPENAT_WT:
1233                 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1234                         tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1235                         kau_write(rec, tok);
1236                 }
1237                 ATFD1_TOKENS(1);
1238                 UPATH1_VNODE1_TOKENS;
1239                 break;
1240
1241         case AUE_PTRACE:
1242                 if (ARG_IS_VALID(kar, ARG_CMD)) {
1243                         tok = au_to_arg32(1, "request", ar->ar_arg_cmd);
1244                         kau_write(rec, tok);
1245                 }
1246                 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1247                         tok = au_to_arg32(4, "data", ar->ar_arg_value);
1248                         kau_write(rec, tok);
1249                 }
1250                 PROCESS_PID_TOKENS(2);
1251                 break;
1252
1253         case AUE_QUOTACTL:
1254                 if (ARG_IS_VALID(kar, ARG_CMD)) {
1255                         tok = au_to_arg32(2, "command", ar->ar_arg_cmd);
1256                         kau_write(rec, tok);
1257                 }
1258                 if (ARG_IS_VALID(kar, ARG_UID)) {
1259                         tok = au_to_arg32(3, "uid", ar->ar_arg_uid);
1260                         kau_write(rec, tok);
1261                 }
1262                 if (ARG_IS_VALID(kar, ARG_GID)) {
1263                         tok = au_to_arg32(3, "gid", ar->ar_arg_gid);
1264                         kau_write(rec, tok);
1265                 }
1266                 UPATH1_VNODE1_TOKENS;
1267                 break;
1268
1269         case AUE_REBOOT:
1270                 if (ARG_IS_VALID(kar, ARG_CMD)) {
1271                         tok = au_to_arg32(1, "howto", ar->ar_arg_cmd);
1272                         kau_write(rec, tok);
1273                 }
1274                 break;
1275
1276         case AUE_SEMCTL:
1277                 ar->ar_event = audit_semctl_to_event(ar->ar_arg_svipc_cmd);
1278                 /* Fall through */
1279
1280         case AUE_SEMOP:
1281                 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1282                         tok = au_to_arg32(1, "sem ID", ar->ar_arg_svipc_id);
1283                         kau_write(rec, tok);
1284                         if (ar->ar_errno != EINVAL) {
1285                                 tok = au_to_ipc(AT_IPC_SEM,
1286                                     ar->ar_arg_svipc_id);
1287                                 kau_write(rec, tok);
1288                         }
1289                 }
1290                 break;
1291
1292         case AUE_SEMGET:
1293                 if (ar->ar_errno == 0) {
1294                         if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1295                                 tok = au_to_ipc(AT_IPC_SEM,
1296                                     ar->ar_arg_svipc_id);
1297                                 kau_write(rec, tok);
1298                         }
1299                 }
1300                 break;
1301
1302         case AUE_SETEGID:
1303                 if (ARG_IS_VALID(kar, ARG_EGID)) {
1304                         tok = au_to_arg32(1, "egid", ar->ar_arg_egid);
1305                         kau_write(rec, tok);
1306                 }
1307                 break;
1308
1309         case AUE_SETEUID:
1310                 if (ARG_IS_VALID(kar, ARG_EUID)) {
1311                         tok = au_to_arg32(1, "euid", ar->ar_arg_euid);
1312                         kau_write(rec, tok);
1313                 }
1314                 break;
1315
1316         case AUE_SETREGID:
1317                 if (ARG_IS_VALID(kar, ARG_RGID)) {
1318                         tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid);
1319                         kau_write(rec, tok);
1320                 }
1321                 if (ARG_IS_VALID(kar, ARG_EGID)) {
1322                         tok = au_to_arg32(2, "egid", ar->ar_arg_egid);
1323                         kau_write(rec, tok);
1324                 }
1325                 break;
1326
1327         case AUE_SETREUID:
1328                 if (ARG_IS_VALID(kar, ARG_RUID)) {
1329                         tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid);
1330                         kau_write(rec, tok);
1331                 }
1332                 if (ARG_IS_VALID(kar, ARG_EUID)) {
1333                         tok = au_to_arg32(2, "euid", ar->ar_arg_euid);
1334                         kau_write(rec, tok);
1335                 }
1336                 break;
1337
1338         case AUE_SETRESGID:
1339                 if (ARG_IS_VALID(kar, ARG_RGID)) {
1340                         tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid);
1341                         kau_write(rec, tok);
1342                 }
1343                 if (ARG_IS_VALID(kar, ARG_EGID)) {
1344                         tok = au_to_arg32(2, "egid", ar->ar_arg_egid);
1345                         kau_write(rec, tok);
1346                 }
1347                 if (ARG_IS_VALID(kar, ARG_SGID)) {
1348                         tok = au_to_arg32(3, "sgid", ar->ar_arg_sgid);
1349                         kau_write(rec, tok);
1350                 }
1351                 break;
1352
1353         case AUE_SETRESUID:
1354                 if (ARG_IS_VALID(kar, ARG_RUID)) {
1355                         tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid);
1356                         kau_write(rec, tok);
1357                 }
1358                 if (ARG_IS_VALID(kar, ARG_EUID)) {
1359                         tok = au_to_arg32(2, "euid", ar->ar_arg_euid);
1360                         kau_write(rec, tok);
1361                 }
1362                 if (ARG_IS_VALID(kar, ARG_SUID)) {
1363                         tok = au_to_arg32(3, "suid", ar->ar_arg_suid);
1364                         kau_write(rec, tok);
1365                 }
1366                 break;
1367
1368         case AUE_SETGID:
1369                 if (ARG_IS_VALID(kar, ARG_GID)) {
1370                         tok = au_to_arg32(1, "gid", ar->ar_arg_gid);
1371                         kau_write(rec, tok);
1372                 }
1373                 break;
1374
1375         case AUE_SETUID:
1376                 if (ARG_IS_VALID(kar, ARG_UID)) {
1377                         tok = au_to_arg32(1, "uid", ar->ar_arg_uid);
1378                         kau_write(rec, tok);
1379                 }
1380                 break;
1381
1382         case AUE_SETGROUPS:
1383                 if (ARG_IS_VALID(kar, ARG_GROUPSET)) {
1384                         for(ctr = 0; ctr < ar->ar_arg_groups.gidset_size; ctr++)
1385                         {
1386                                 tok = au_to_arg32(1, "setgroups",
1387                                     ar->ar_arg_groups.gidset[ctr]);
1388                                 kau_write(rec, tok);
1389                         }
1390                 }
1391                 break;
1392
1393         case AUE_SETLOGIN:
1394                 if (ARG_IS_VALID(kar, ARG_LOGIN)) {
1395                         tok = au_to_text(ar->ar_arg_login);
1396                         kau_write(rec, tok);
1397                 }
1398                 break;
1399
1400         case AUE_SETPRIORITY:
1401                 if (ARG_IS_VALID(kar, ARG_CMD)) {
1402                         tok = au_to_arg32(1, "which", ar->ar_arg_cmd);
1403                         kau_write(rec, tok);
1404                 }
1405                 if (ARG_IS_VALID(kar, ARG_UID)) {
1406                         tok = au_to_arg32(2, "who", ar->ar_arg_uid);
1407                         kau_write(rec, tok);
1408                 }
1409                 PROCESS_PID_TOKENS(2);
1410                 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1411                         tok = au_to_arg32(3, "priority", ar->ar_arg_value);
1412                         kau_write(rec, tok);
1413                 }
1414                 break;
1415
1416         case AUE_SETPRIVEXEC:
1417                 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1418                         tok = au_to_arg32(1, "flag", ar->ar_arg_value);
1419                         kau_write(rec, tok);
1420                 }
1421                 break;
1422
1423         /* AUE_SHMAT, AUE_SHMCTL, AUE_SHMDT and AUE_SHMGET are SysV IPC */
1424         case AUE_SHMAT:
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                 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1433                         tok = au_to_arg32(2, "shmaddr",
1434                             (int)(uintptr_t)ar->ar_arg_svipc_addr);
1435                         kau_write(rec, tok);
1436                 }
1437                 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1438                         tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1439                         kau_write(rec, tok);
1440                 }
1441                 break;
1442
1443         case AUE_SHMCTL:
1444                 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1445                         tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id);
1446                         kau_write(rec, tok);
1447                         /* XXXAUDIT: Does having the ipc token make sense? */
1448                         tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id);
1449                         kau_write(rec, tok);
1450                 }
1451                 switch (ar->ar_arg_svipc_cmd) {
1452                 case IPC_STAT:
1453                         ar->ar_event = AUE_SHMCTL_STAT;
1454                         break;
1455                 case IPC_RMID:
1456                         ar->ar_event = AUE_SHMCTL_RMID;
1457                         break;
1458                 case IPC_SET:
1459                         ar->ar_event = AUE_SHMCTL_SET;
1460                         if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1461                                 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1462                                 kau_write(rec, tok);
1463                         }
1464                         break;
1465                 default:
1466                         break;  /* We will audit a bad command */
1467                 }
1468                 break;
1469
1470         case AUE_SHMDT:
1471                 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1472                         tok = au_to_arg32(1, "shmaddr",
1473                             (int)(uintptr_t)ar->ar_arg_svipc_addr);
1474                         kau_write(rec, tok);
1475                 }
1476                 break;
1477
1478         case AUE_SHMGET:
1479                 /* This is unusual; the return value is in an argument token */
1480                 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1481                         tok = au_to_arg32(0, "shmid", ar->ar_arg_svipc_id);
1482                         kau_write(rec, tok);
1483                         tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id);
1484                         kau_write(rec, tok);
1485                 }
1486                 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1487                         tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1488                         kau_write(rec, tok);
1489                 }
1490                 break;
1491
1492         /* AUE_SHMOPEN, AUE_SHMUNLINK, AUE_SEMOPEN, AUE_SEMCLOSE
1493          * and AUE_SEMUNLINK are Posix IPC */
1494         case AUE_SHMOPEN:
1495                 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1496                         tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1497                         kau_write(rec, tok);
1498                 }
1499                 if (ARG_IS_VALID(kar, ARG_MODE)) {
1500                         tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1501                         kau_write(rec, tok);
1502                 }
1503                 /* FALLTHROUGH */
1504
1505         case AUE_SHMUNLINK:
1506                 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1507                         tok = au_to_text(ar->ar_arg_text);
1508                         kau_write(rec, tok);
1509                 }
1510                 if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) {
1511                         struct ipc_perm perm;
1512
1513                         perm.uid = ar->ar_arg_pipc_perm.pipc_uid;
1514                         perm.gid = ar->ar_arg_pipc_perm.pipc_gid;
1515                         perm.cuid = ar->ar_arg_pipc_perm.pipc_uid;
1516                         perm.cgid = ar->ar_arg_pipc_perm.pipc_gid;
1517                         perm.mode = ar->ar_arg_pipc_perm.pipc_mode;
1518                         perm.seq = 0;
1519                         perm.key = 0;
1520                         tok = au_to_ipc_perm(&perm);
1521                         kau_write(rec, tok);
1522                 }
1523                 break;
1524
1525         case AUE_SEMOPEN:
1526                 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1527                         tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1528                         kau_write(rec, tok);
1529                 }
1530                 if (ARG_IS_VALID(kar, ARG_MODE)) {
1531                         tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1532                         kau_write(rec, tok);
1533                 }
1534                 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1535                         tok = au_to_arg32(4, "value", ar->ar_arg_value);
1536                         kau_write(rec, tok);
1537                 }
1538                 /* FALLTHROUGH */
1539
1540         case AUE_SEMUNLINK:
1541                 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1542                         tok = au_to_text(ar->ar_arg_text);
1543                         kau_write(rec, tok);
1544                 }
1545                 if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) {
1546                         struct ipc_perm perm;
1547
1548                         perm.uid = ar->ar_arg_pipc_perm.pipc_uid;
1549                         perm.gid = ar->ar_arg_pipc_perm.pipc_gid;
1550                         perm.cuid = ar->ar_arg_pipc_perm.pipc_uid;
1551                         perm.cgid = ar->ar_arg_pipc_perm.pipc_gid;
1552                         perm.mode = ar->ar_arg_pipc_perm.pipc_mode;
1553                         perm.seq = 0;
1554                         perm.key = 0;
1555                         tok = au_to_ipc_perm(&perm);
1556                         kau_write(rec, tok);
1557                 }
1558                 break;
1559
1560         case AUE_SEMCLOSE:
1561                 if (ARG_IS_VALID(kar, ARG_FD)) {
1562                         tok = au_to_arg32(1, "sem", ar->ar_arg_fd);
1563                         kau_write(rec, tok);
1564                 }
1565                 break;
1566
1567         case AUE_SYMLINK:
1568         case AUE_SYMLINKAT:
1569                 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1570                         tok = au_to_text(ar->ar_arg_text);
1571                         kau_write(rec, tok);
1572                 }
1573                 ATFD1_TOKENS(1);
1574                 UPATH1_VNODE1_TOKENS;
1575                 break;
1576
1577         case AUE_SYSCTL:
1578         case AUE_SYSCTL_NONADMIN:
1579                 if (ARG_IS_VALID(kar, ARG_CTLNAME | ARG_LEN)) {
1580                         for (ctr = 0; ctr < ar->ar_arg_len; ctr++) {
1581                                 tok = au_to_arg32(1, "name",
1582                                     ar->ar_arg_ctlname[ctr]);
1583                                 kau_write(rec, tok);
1584                         }
1585                 }
1586                 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1587                         tok = au_to_arg32(5, "newval", ar->ar_arg_value);
1588                         kau_write(rec, tok);
1589                 }
1590                 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1591                         tok = au_to_text(ar->ar_arg_text);
1592                         kau_write(rec, tok);
1593                 }
1594                 break;
1595
1596         case AUE_UMASK:
1597                 if (ARG_IS_VALID(kar, ARG_MASK)) {
1598                         tok = au_to_arg32(1, "new mask", ar->ar_arg_mask);
1599                         kau_write(rec, tok);
1600                 }
1601                 tok = au_to_arg32(0, "prev mask", ar->ar_retval);
1602                 kau_write(rec, tok);
1603                 break;
1604
1605         case AUE_WAIT4:
1606         case AUE_WAIT6:
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_RIGHTS_LIMIT:
1615                 /*
1616                  * XXXRW/XXXJA: Would be nice to audit socket/etc information.
1617                  */
1618                 FD_VNODE1_TOKENS;
1619                 if (ARG_IS_VALID(kar, ARG_RIGHTS)) {
1620                         tok = au_to_rights(&ar->ar_arg_rights);
1621                         kau_write(rec, tok);
1622                 }
1623                 break;
1624
1625         case AUE_CAP_FCNTLS_GET:
1626         case AUE_CAP_IOCTLS_GET:
1627         case AUE_CAP_IOCTLS_LIMIT:
1628         case AUE_CAP_RIGHTS_GET:
1629                 if (ARG_IS_VALID(kar, ARG_FD)) {
1630                         tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
1631                         kau_write(rec, tok);
1632                 }
1633                 break;
1634
1635         case AUE_CAP_FCNTLS_LIMIT:
1636                 FD_VNODE1_TOKENS;
1637                 if (ARG_IS_VALID(kar, ARG_FCNTL_RIGHTS)) {
1638                         tok = au_to_arg32(2, "fcntlrights",
1639                             ar->ar_arg_fcntl_rights);
1640                         kau_write(rec, tok);
1641                 }
1642                 break;
1643
1644         case AUE_CAP_ENTER:
1645         case AUE_CAP_GETMODE:
1646                 break;
1647
1648         case AUE_NULL:
1649         default:
1650                 printf("BSM conversion requested for unknown event %d\n",
1651                     ar->ar_event);
1652
1653                 /*
1654                  * Write the subject token so it is properly freed here.
1655                  */
1656                 if (jail_tok != NULL)
1657                         kau_write(rec, jail_tok);
1658                 kau_write(rec, subj_tok);
1659                 kau_free(rec);
1660                 return (BSM_NOAUDIT);
1661         }
1662
1663         if (jail_tok != NULL)
1664                 kau_write(rec, jail_tok);
1665         kau_write(rec, subj_tok);
1666         tok = au_to_return32(au_errno_to_bsm(ar->ar_errno), ar->ar_retval);
1667         kau_write(rec, tok);  /* Every record gets a return token */
1668
1669         kau_close(rec, &ar->ar_endtime, ar->ar_event);
1670
1671         *pau = rec;
1672         return (BSM_SUCCESS);
1673 }
1674
1675 /*
1676  * Verify that a record is a valid BSM record. This verification is simple
1677  * now, but may be expanded on sometime in the future.  Return 1 if the
1678  * record is good, 0 otherwise.
1679  */
1680 int
1681 bsm_rec_verify(void *rec)
1682 {
1683         char c = *(char *)rec;
1684
1685         /*
1686          * Check the token ID of the first token; it has to be a header
1687          * token.
1688          *
1689          * XXXAUDIT There needs to be a token structure to map a token.
1690          * XXXAUDIT 'Shouldn't be simply looking at the first char.
1691          */
1692         if ((c != AUT_HEADER32) && (c != AUT_HEADER32_EX) &&
1693             (c != AUT_HEADER64) && (c != AUT_HEADER64_EX))
1694                 return (0);
1695         return (1);
1696 }