2 * Copyright (c) 1999-2009 Apple Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
34 #include <sys/vnode.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>
43 #include <sys/systm.h>
45 #include <bsm/audit.h>
46 #include <bsm/audit_internal.h>
47 #include <bsm/audit_record.h>
48 #include <bsm/audit_kevents.h>
50 #include <security/audit/audit.h>
51 #include <security/audit/audit_private.h>
53 #include <netinet/in_systm.h>
54 #include <netinet/in.h>
55 #include <netinet/ip.h>
57 MALLOC_DEFINE(M_AUDITBSM, "audit_bsm", "Audit BSM data");
59 static void audit_sys_auditon(struct audit_record *ar,
60 struct au_record *rec);
63 * Initialize the BSM auditing subsystem.
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.
78 static struct au_record *
81 struct au_record *rec;
83 rec = malloc(sizeof(*rec), M_AUDITBSM, M_WAITOK);
85 TAILQ_INIT(&rec->token_q);
93 * Store the token with the record descriptor.
96 kau_write(struct au_record *rec, struct au_token *tok)
99 KASSERT(tok != NULL, ("kau_write: tok == NULL"));
101 TAILQ_INSERT_TAIL(&rec->token_q, tok, tokens);
102 rec->len += tok->len;
106 * Close out the audit record by adding the header token, identifying any
107 * missing tokens. Write out the tokens to the record memory.
110 kau_close(struct au_record *rec, struct timespec *ctime, short event)
114 token_t *cur, *hdr, *trail;
117 struct auditinfo_addr ak;
120 audit_get_kinfo(&ak);
122 switch (ak.ai_termid.at_type) {
124 hdrsize = (ak.ai_termid.at_addr[0] == INADDR_ANY) ?
125 AUDIT_HEADER_SIZE : AUDIT_HEADER_EX_SIZE(&ak);
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);
133 panic("kau_close: invalid address family");
135 tot_rec_size = rec->len + hdrsize + AUDIT_TRAILER_SIZE;
136 rec->data = malloc(tot_rec_size, M_AUDITBSM, M_WAITOK | M_ZERO);
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);
143 hdr = au_to_header32_tm(tot_rec_size, event, 0, tm);
144 TAILQ_INSERT_HEAD(&rec->token_q, hdr, tokens);
146 trail = au_to_trailer(tot_rec_size);
147 TAILQ_INSERT_TAIL(&rec->token_q, trail, tokens);
149 rec->len = tot_rec_size;
151 TAILQ_FOREACH(cur, &rec->token_q, tokens) {
152 memcpy(dptr, cur->t_data, cur->len);
158 * Free a BSM audit record by releasing all the tokens and clearing the audit
159 * record information.
162 kau_free(struct au_record *rec)
164 struct au_token *tok;
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);
175 free(rec->data, M_AUDITBSM);
176 free(rec, M_AUDITBSM);
180 * XXX: May want turn some (or all) of these macros into functions in order
181 * to reduce the generated code size.
183 * XXXAUDIT: These macros assume that 'kar', 'ar', 'rec', and 'tok' in the
184 * caller are OK with this.
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); \
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); \
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); \
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); \
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); \
219 if (ARG_IS_VALID(kar, ARG_VNODE1)) { \
220 tok = au_to_attr32(&ar->ar_arg_vnode1); \
221 kau_write(rec, tok); \
225 #define UPATH1_VNODE1_TOKENS do { \
226 if (ARG_IS_VALID(kar, ARG_UPATH1)) { \
229 if (ARG_IS_VALID(kar, ARG_VNODE1)) { \
230 tok = au_to_attr32(&ar->ar_arg_vnode1); \
231 kau_write(rec, tok); \
235 #define VNODE2_TOKENS do { \
236 if (ARG_IS_VALID(kar, ARG_VNODE2)) { \
237 tok = au_to_attr32(&ar->ar_arg_vnode2); \
238 kau_write(rec, tok); \
242 #define FD_VNODE1_TOKENS do { \
243 if (ARG_IS_VALID(kar, ARG_VNODE1)) { \
244 if (ARG_IS_VALID(kar, ARG_FD)) { \
245 tok = au_to_arg32(1, "fd", ar->ar_arg_fd); \
246 kau_write(rec, tok); \
248 tok = au_to_attr32(&ar->ar_arg_vnode1); \
249 kau_write(rec, tok); \
251 if (ARG_IS_VALID(kar, ARG_FD)) { \
252 tok = au_to_arg32(1, "non-file: fd", \
254 kau_write(rec, tok); \
259 #define PROCESS_PID_TOKENS(argn) do { \
260 if ((ar->ar_arg_pid > 0) /* Reference a single process */ \
261 && (ARG_IS_VALID(kar, ARG_PROCESS))) { \
262 tok = au_to_process32_ex(ar->ar_arg_auid, \
263 ar->ar_arg_euid, ar->ar_arg_egid, \
264 ar->ar_arg_ruid, ar->ar_arg_rgid, \
265 ar->ar_arg_pid, ar->ar_arg_asid, \
266 &ar->ar_arg_termid_addr); \
267 kau_write(rec, tok); \
268 } else if (ARG_IS_VALID(kar, ARG_PID)) { \
269 tok = au_to_arg32(argn, "process", ar->ar_arg_pid); \
270 kau_write(rec, tok); \
274 #define EXTATTR_TOKENS(namespace_argnum) do { \
275 if (ARG_IS_VALID(kar, ARG_VALUE)) { \
276 switch (ar->ar_arg_value) { \
277 case EXTATTR_NAMESPACE_USER: \
278 tok = au_to_text(EXTATTR_NAMESPACE_USER_STRING);\
280 case EXTATTR_NAMESPACE_SYSTEM: \
281 tok = au_to_text(EXTATTR_NAMESPACE_SYSTEM_STRING);\
284 tok = au_to_arg32((namespace_argnum), \
285 "attrnamespace", ar->ar_arg_value); \
288 kau_write(rec, tok); \
290 /* attrname is in the text field */ \
291 if (ARG_IS_VALID(kar, ARG_TEXT)) { \
292 tok = au_to_text(ar->ar_arg_text); \
293 kau_write(rec, tok); \
298 * Not all pointer arguments to system calls are of interest, but in some
299 * cases they reflect delegation of rights, such as mmap(2) followed by
300 * minherit(2) before execve(2), so do the best we can.
302 #define ADDR_TOKEN(argnum, argname) do { \
303 if (ARG_IS_VALID(kar, ARG_ADDR)) { \
304 if (sizeof(void *) == sizeof(uint32_t)) \
305 tok = au_to_arg32((argnum), (argname), \
306 (uint32_t)(uintptr_t)ar->ar_arg_addr); \
308 tok = au_to_arg64((argnum), (argname), \
309 (uint64_t)(uintptr_t)ar->ar_arg_addr); \
310 kau_write(rec, tok); \
316 * Implement auditing for the auditon() system call. The audit tokens that
317 * are generated depend on the command that was sent into the auditon()
321 audit_sys_auditon(struct audit_record *ar, struct au_record *rec)
323 struct au_token *tok;
325 tok = au_to_arg32(3, "length", ar->ar_arg_len);
327 switch (ar->ar_arg_cmd) {
329 if ((size_t)ar->ar_arg_len == sizeof(int64_t)) {
330 tok = au_to_arg64(2, "policy",
331 ar->ar_arg_auditon.au_policy64);
338 tok = au_to_arg32(2, "policy", ar->ar_arg_auditon.au_policy);
343 tok = au_to_arg32(2, "setkmask:as_success",
344 ar->ar_arg_auditon.au_mask.am_success);
346 tok = au_to_arg32(2, "setkmask:as_failure",
347 ar->ar_arg_auditon.au_mask.am_failure);
352 if ((size_t)ar->ar_arg_len == sizeof(au_qctrl64_t)) {
353 tok = au_to_arg64(2, "setqctrl:aq_hiwater",
354 ar->ar_arg_auditon.au_qctrl64.aq64_hiwater);
356 tok = au_to_arg64(2, "setqctrl:aq_lowater",
357 ar->ar_arg_auditon.au_qctrl64.aq64_lowater);
359 tok = au_to_arg64(2, "setqctrl:aq_bufsz",
360 ar->ar_arg_auditon.au_qctrl64.aq64_bufsz);
362 tok = au_to_arg64(2, "setqctrl:aq_delay",
363 ar->ar_arg_auditon.au_qctrl64.aq64_delay);
365 tok = au_to_arg64(2, "setqctrl:aq_minfree",
366 ar->ar_arg_auditon.au_qctrl64.aq64_minfree);
373 tok = au_to_arg32(2, "setqctrl:aq_hiwater",
374 ar->ar_arg_auditon.au_qctrl.aq_hiwater);
376 tok = au_to_arg32(2, "setqctrl:aq_lowater",
377 ar->ar_arg_auditon.au_qctrl.aq_lowater);
379 tok = au_to_arg32(2, "setqctrl:aq_bufsz",
380 ar->ar_arg_auditon.au_qctrl.aq_bufsz);
382 tok = au_to_arg32(2, "setqctrl:aq_delay",
383 ar->ar_arg_auditon.au_qctrl.aq_delay);
385 tok = au_to_arg32(2, "setqctrl:aq_minfree",
386 ar->ar_arg_auditon.au_qctrl.aq_minfree);
391 tok = au_to_arg32(2, "setumask:as_success",
392 ar->ar_arg_auditon.au_auinfo.ai_mask.am_success);
394 tok = au_to_arg32(2, "setumask:as_failure",
395 ar->ar_arg_auditon.au_auinfo.ai_mask.am_failure);
400 tok = au_to_arg32(2, "setsmask:as_success",
401 ar->ar_arg_auditon.au_auinfo.ai_mask.am_success);
403 tok = au_to_arg32(2, "setsmask:as_failure",
404 ar->ar_arg_auditon.au_auinfo.ai_mask.am_failure);
409 if ((size_t)ar->ar_arg_len == sizeof(int64_t)) {
410 tok = au_to_arg64(2, "setcond",
411 ar->ar_arg_auditon.au_cond64);
418 tok = au_to_arg32(2, "setcond", ar->ar_arg_auditon.au_cond);
424 tok = au_to_arg32(2, "setclass:ec_event",
425 ar->ar_arg_auditon.au_evclass.ec_number);
427 tok = au_to_arg32(2, "setclass:ec_class",
428 ar->ar_arg_auditon.au_evclass.ec_class);
433 tok = au_to_arg32(2, "setpmask:as_success",
434 ar->ar_arg_auditon.au_aupinfo.ap_mask.am_success);
436 tok = au_to_arg32(2, "setpmask:as_failure",
437 ar->ar_arg_auditon.au_aupinfo.ap_mask.am_failure);
442 tok = au_to_arg32(2, "setfsize:filesize",
443 ar->ar_arg_auditon.au_fstat.af_filesz);
453 * Convert an internal kernel audit record to a BSM record and return a
454 * success/failure indicator. The BSM record is passed as an out parameter to
458 * BSM_SUCCESS: The BSM record is valid
459 * BSM_FAILURE: Failure; the BSM record is NULL.
460 * BSM_NOAUDIT: The event is not auditable for BSM; the BSM record is NULL.
463 kaudit_to_bsm(struct kaudit_record *kar, struct au_record **pau)
465 struct au_token *tok, *subj_tok;
466 struct au_record *rec;
468 struct audit_record *ar;
471 KASSERT(kar != NULL, ("kaudit_to_bsm: kar == NULL"));
478 * Create the subject token.
480 switch (ar->ar_subj_term_addr.at_type) {
482 tid.port = ar->ar_subj_term_addr.at_port;
483 tid.machine = ar->ar_subj_term_addr.at_addr[0];
484 subj_tok = au_to_subject32(ar->ar_subj_auid, /* audit ID */
485 ar->ar_subj_cred.cr_uid, /* eff uid */
486 ar->ar_subj_egid, /* eff group id */
487 ar->ar_subj_ruid, /* real uid */
488 ar->ar_subj_rgid, /* real group id */
489 ar->ar_subj_pid, /* process id */
490 ar->ar_subj_asid, /* session ID */
494 subj_tok = au_to_subject32_ex(ar->ar_subj_auid,
495 ar->ar_subj_cred.cr_uid,
501 &ar->ar_subj_term_addr);
504 bzero(&tid, sizeof(tid));
505 subj_tok = au_to_subject32(ar->ar_subj_auid,
506 ar->ar_subj_cred.cr_uid,
516 * The logic inside each case fills in the tokens required for the
517 * event, except for the header, trailer, and return tokens. The
518 * header and trailer tokens are added by the kau_close() function.
519 * The return token is added outside of the switch statement.
521 switch(ar->ar_event) {
534 * Socket-related events.
536 if (ARG_IS_VALID(kar, ARG_FD)) {
537 tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
540 if (ARG_IS_VALID(kar, ARG_SADDRINET)) {
541 tok = au_to_sock_inet((struct sockaddr_in *)
542 &ar->ar_arg_sockaddr);
545 if (ARG_IS_VALID(kar, ARG_SADDRUNIX)) {
546 tok = au_to_sock_unix((struct sockaddr_un *)
547 &ar->ar_arg_sockaddr);
551 /* XXX Need to handle ARG_SADDRINET6 */
556 if (ARG_IS_VALID(kar, ARG_SOCKINFO)) {
557 tok = au_to_arg32(1, "domain",
558 ar->ar_arg_sockinfo.so_domain);
560 tok = au_to_arg32(2, "type",
561 ar->ar_arg_sockinfo.so_type);
563 tok = au_to_arg32(3, "protocol",
564 ar->ar_arg_sockinfo.so_protocol);
571 if (ARG_IS_VALID(kar, ARG_FD)) {
572 tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
578 if (ARG_IS_VALID(kar, ARG_UPATH1)) {
579 UPATH1_VNODE1_TOKENS;
581 tok = au_to_arg32(1, "accounting off", 0);
587 if (ARG_IS_VALID(kar, ARG_AUID)) {
588 tok = au_to_arg32(2, "setauid", ar->ar_arg_auid);
594 if (ARG_IS_VALID(kar, ARG_AUID) &&
595 ARG_IS_VALID(kar, ARG_ASID) &&
596 ARG_IS_VALID(kar, ARG_AMASK) &&
597 ARG_IS_VALID(kar, ARG_TERMID)) {
598 tok = au_to_arg32(1, "setaudit:auid",
601 tok = au_to_arg32(1, "setaudit:port",
602 ar->ar_arg_termid.port);
604 tok = au_to_arg32(1, "setaudit:machine",
605 ar->ar_arg_termid.machine);
607 tok = au_to_arg32(1, "setaudit:as_success",
608 ar->ar_arg_amask.am_success);
610 tok = au_to_arg32(1, "setaudit:as_failure",
611 ar->ar_arg_amask.am_failure);
613 tok = au_to_arg32(1, "setaudit:asid",
619 case AUE_SETAUDIT_ADDR:
620 if (ARG_IS_VALID(kar, ARG_AUID) &&
621 ARG_IS_VALID(kar, ARG_ASID) &&
622 ARG_IS_VALID(kar, ARG_AMASK) &&
623 ARG_IS_VALID(kar, ARG_TERMID_ADDR)) {
624 tok = au_to_arg32(1, "setaudit_addr:auid",
627 tok = au_to_arg32(1, "setaudit_addr:as_success",
628 ar->ar_arg_amask.am_success);
630 tok = au_to_arg32(1, "setaudit_addr:as_failure",
631 ar->ar_arg_amask.am_failure);
633 tok = au_to_arg32(1, "setaudit_addr:asid",
636 tok = au_to_arg32(1, "setaudit_addr:type",
637 ar->ar_arg_termid_addr.at_type);
639 tok = au_to_arg32(1, "setaudit_addr:port",
640 ar->ar_arg_termid_addr.at_port);
642 if (ar->ar_arg_termid_addr.at_type == AU_IPv6)
643 tok = au_to_in_addr_ex((struct in6_addr *)
644 &ar->ar_arg_termid_addr.at_addr[0]);
645 if (ar->ar_arg_termid_addr.at_type == AU_IPv4)
646 tok = au_to_in_addr((struct in_addr *)
647 &ar->ar_arg_termid_addr.at_addr[0]);
654 * For AUDITON commands without own event, audit the cmd.
656 if (ARG_IS_VALID(kar, ARG_CMD)) {
657 tok = au_to_arg32(1, "cmd", ar->ar_arg_cmd);
662 case AUE_AUDITON_GETCAR:
663 case AUE_AUDITON_GETCLASS:
664 case AUE_AUDITON_GETCOND:
665 case AUE_AUDITON_GETCWD:
666 case AUE_AUDITON_GETKMASK:
667 case AUE_AUDITON_GETSTAT:
668 case AUE_AUDITON_GPOLICY:
669 case AUE_AUDITON_GQCTRL:
670 case AUE_AUDITON_SETCLASS:
671 case AUE_AUDITON_SETCOND:
672 case AUE_AUDITON_SETKMASK:
673 case AUE_AUDITON_SETSMASK:
674 case AUE_AUDITON_SETSTAT:
675 case AUE_AUDITON_SETUMASK:
676 case AUE_AUDITON_SPOLICY:
677 case AUE_AUDITON_SQCTRL:
678 if (ARG_IS_VALID(kar, ARG_AUDITON))
679 audit_sys_auditon(ar, rec);
683 UPATH1_VNODE1_TOKENS;
687 if (ARG_IS_VALID(kar, ARG_EXIT)) {
688 tok = au_to_exit(ar->ar_arg_exitretval,
689 ar->ar_arg_exitstatus);
695 case AUE_CLOCK_SETTIME:
699 case AUE_GETAUDIT_ADDR:
709 case AUE_NTP_ADJTIME:
711 case AUE_POSIX_OPENPT:
719 case AUE_SETTIMEOFDAY:
723 * Header, subject, and return tokens added at end.
728 if (ARG_IS_VALID(kar, ARG_MODE)) {
729 tok = au_to_arg32(2, "mode", ar->ar_arg_mode);
738 case AUE_GETATTRLIST:
749 case AUE_SETATTRLIST:
760 UPATH1_VNODE1_TOKENS;
765 UPATH1_VNODE1_TOKENS;
766 if (ARG_IS_VALID(kar, ARG_VALUE)) {
767 tok = au_to_arg32(2, "mode", ar->ar_arg_value);
775 /* XXXRW: Need to audit vnode argument. */
780 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
781 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
784 UPATH1_VNODE1_TOKENS;
789 if (ARG_IS_VALID(kar, ARG_MODE)) {
790 tok = au_to_arg32(2, "new file mode",
794 UPATH1_VNODE1_TOKENS;
799 if (ARG_IS_VALID(kar, ARG_MODE)) {
800 tok = au_to_arg32(3, "new file mode",
804 UPATH1_VNODE1_TOKENS;
809 if (ARG_IS_VALID(kar, ARG_UID)) {
810 tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid);
813 if (ARG_IS_VALID(kar, ARG_GID)) {
814 tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid);
817 UPATH1_VNODE1_TOKENS;
822 if (ARG_IS_VALID(kar, ARG_UID)) {
823 tok = au_to_arg32(3, "new file uid", ar->ar_arg_uid);
826 if (ARG_IS_VALID(kar, ARG_GID)) {
827 tok = au_to_arg32(4, "new file gid", ar->ar_arg_gid);
830 UPATH1_VNODE1_TOKENS;
833 case AUE_EXCHANGEDATA:
834 UPATH1_VNODE1_TOKENS;
839 if (ARG_IS_VALID(kar, ARG_FD)) {
840 tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
843 UPATH1_VNODE1_TOKENS;
847 if (ARG_IS_VALID(kar, ARG_FD)) {
848 tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
854 if (ARG_IS_VALID(kar, ARG_SIGNUM)) {
855 tok = au_to_arg32(1, "signal", ar->ar_arg_signum);
858 UPATH1_VNODE1_TOKENS;
862 UPATH1_VNODE1_TOKENS;
863 if (ARG_IS_VALID(kar, ARG_CMD)) {
864 tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd);
867 /* extattrctl(2) filename parameter is in upath2/vnode2 */
873 case AUE_EXTATTR_GET_FILE:
874 case AUE_EXTATTR_SET_FILE:
875 case AUE_EXTATTR_LIST_FILE:
876 case AUE_EXTATTR_DELETE_FILE:
877 case AUE_EXTATTR_GET_LINK:
878 case AUE_EXTATTR_SET_LINK:
879 case AUE_EXTATTR_LIST_LINK:
880 case AUE_EXTATTR_DELETE_LINK:
881 UPATH1_VNODE1_TOKENS;
885 case AUE_EXTATTR_GET_FD:
886 case AUE_EXTATTR_SET_FD:
887 case AUE_EXTATTR_LIST_FD:
888 case AUE_EXTATTR_DELETE_FD:
889 if (ARG_IS_VALID(kar, ARG_FD)) {
890 tok = au_to_arg32(2, "fd", ar->ar_arg_fd);
897 if (ARG_IS_VALID(kar, ARG_FD)) {
898 tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
905 if (ARG_IS_VALID(kar, ARG_ARGV)) {
906 tok = au_to_exec_args(ar->ar_arg_argv,
910 if (ARG_IS_VALID(kar, ARG_ENVV)) {
911 tok = au_to_exec_env(ar->ar_arg_envv,
915 UPATH1_VNODE1_TOKENS;
919 if (ARG_IS_VALID(kar, ARG_MODE)) {
920 tok = au_to_arg32(2, "new file mode",
928 * XXXRW: Some of these need to handle non-vnode cases as well.
937 case AUE_GETDIRENTRIES:
938 case AUE_GETDIRENTRIESATTR:
949 if (ARG_IS_VALID(kar, ARG_UID)) {
950 tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid);
953 if (ARG_IS_VALID(kar, ARG_GID)) {
954 tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid);
961 if (ARG_IS_VALID(kar, ARG_CMD)) {
962 tok = au_to_arg32(2, "cmd",
963 au_fcntl_cmd_to_bsm(ar->ar_arg_cmd));
966 if (ar->ar_arg_cmd == F_GETLK || ar->ar_arg_cmd == F_SETLK ||
967 ar->ar_arg_cmd == F_SETLKW) {
973 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
974 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
981 if (ARG_IS_VALID(kar, ARG_CMD)) {
982 tok = au_to_arg32(2, "operation", ar->ar_arg_cmd);
989 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
990 tok = au_to_arg32(1, "flags", ar->ar_arg_fflags);
997 if (ARG_IS_VALID(kar, ARG_PID)) {
998 tok = au_to_arg32(0, "child PID", ar->ar_arg_pid);
1004 if (ARG_IS_VALID(kar, ARG_CMD)) {
1005 tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd);
1006 kau_write(rec, tok);
1008 if (ARG_IS_VALID(kar, ARG_VNODE1))
1011 if (ARG_IS_VALID(kar, ARG_SOCKINFO)) {
1012 tok = kau_to_socket(&ar->ar_arg_sockinfo);
1013 kau_write(rec, tok);
1015 if (ARG_IS_VALID(kar, ARG_FD)) {
1016 tok = au_to_arg32(1, "fd",
1018 kau_write(rec, tok);
1026 if (ARG_IS_VALID(kar, ARG_SIGNUM)) {
1027 tok = au_to_arg32(2, "signal", ar->ar_arg_signum);
1028 kau_write(rec, tok);
1030 PROCESS_PID_TOKENS(1);
1034 if (ARG_IS_VALID(kar, ARG_CMD)) {
1035 tok = au_to_arg32(2, "ops", ar->ar_arg_cmd);
1036 kau_write(rec, tok);
1038 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1039 tok = au_to_arg32(3, "trpoints", ar->ar_arg_value);
1040 kau_write(rec, tok);
1042 PROCESS_PID_TOKENS(4);
1043 UPATH1_VNODE1_TOKENS;
1051 UPATH1_VNODE1_TOKENS;
1056 case AUE_LOADSHFILE:
1057 ADDR_TOKEN(4, "base addr");
1058 UPATH1_VNODE1_TOKENS;
1062 if (ARG_IS_VALID(kar, ARG_MODE)) {
1063 tok = au_to_arg32(2, "mode", ar->ar_arg_mode);
1064 kau_write(rec, tok);
1066 UPATH1_VNODE1_TOKENS;
1070 if (ARG_IS_VALID(kar, ARG_MODE)) {
1071 tok = au_to_arg32(2, "mode", ar->ar_arg_mode);
1072 kau_write(rec, tok);
1074 if (ARG_IS_VALID(kar, ARG_DEV)) {
1075 tok = au_to_arg32(3, "dev", ar->ar_arg_dev);
1076 kau_write(rec, tok);
1078 UPATH1_VNODE1_TOKENS;
1087 ADDR_TOKEN(1, "addr");
1088 if (ARG_IS_VALID(kar, ARG_LEN)) {
1089 tok = au_to_arg32(2, "len", ar->ar_arg_len);
1090 kau_write(rec, tok);
1092 if (ar->ar_event == AUE_MMAP)
1094 if (ar->ar_event == AUE_MPROTECT) {
1095 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1096 tok = au_to_arg32(3, "protection",
1098 kau_write(rec, tok);
1101 if (ar->ar_event == AUE_MINHERIT) {
1102 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1103 tok = au_to_arg32(3, "inherit",
1105 kau_write(rec, tok);
1112 /* XXX Need to handle NFS mounts */
1113 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1114 tok = au_to_arg32(3, "flags", ar->ar_arg_fflags);
1115 kau_write(rec, tok);
1117 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1118 tok = au_to_text(ar->ar_arg_text);
1119 kau_write(rec, tok);
1124 if (ARG_IS_VALID(kar, ARG_CMD)) {
1125 tok = au_to_arg32(1, "flags", ar->ar_arg_cmd);
1126 kau_write(rec, tok);
1131 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1132 tok = au_to_arg32(2, "flags", ar->ar_arg_value);
1133 kau_write(rec, tok);
1135 UPATH1_VNODE1_TOKENS;
1136 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1137 tok = au_to_text(ar->ar_arg_text);
1138 kau_write(rec, tok);
1143 ar->ar_event = audit_msgctl_to_event(ar->ar_arg_svipc_cmd);
1148 tok = au_to_arg32(1, "msg ID", ar->ar_arg_svipc_id);
1149 kau_write(rec, tok);
1150 if (ar->ar_errno != EINVAL) {
1151 tok = au_to_ipc(AT_IPC_MSG, ar->ar_arg_svipc_id);
1152 kau_write(rec, tok);
1157 if (ar->ar_errno == 0) {
1158 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1159 tok = au_to_ipc(AT_IPC_MSG,
1160 ar->ar_arg_svipc_id);
1161 kau_write(rec, tok);
1166 case AUE_RESETSHFILE:
1167 ADDR_TOKEN(1, "base addr");
1177 if (ARG_IS_VALID(kar, ARG_MODE)) {
1178 tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1179 kau_write(rec, tok);
1189 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1190 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1191 kau_write(rec, tok);
1193 UPATH1_VNODE1_TOKENS;
1197 case AUE_OPENAT_RTC:
1198 case AUE_OPENAT_RWC:
1199 case AUE_OPENAT_RWTC:
1201 case AUE_OPENAT_WTC:
1202 if (ARG_IS_VALID(kar, ARG_MODE)) {
1203 tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1204 kau_write(rec, tok);
1211 case AUE_OPENAT_RWT:
1214 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1215 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1216 kau_write(rec, tok);
1219 UPATH1_VNODE1_TOKENS;
1223 if (ARG_IS_VALID(kar, ARG_CMD)) {
1224 tok = au_to_arg32(1, "request", ar->ar_arg_cmd);
1225 kau_write(rec, tok);
1227 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1228 tok = au_to_arg32(4, "data", ar->ar_arg_value);
1229 kau_write(rec, tok);
1231 PROCESS_PID_TOKENS(2);
1235 if (ARG_IS_VALID(kar, ARG_CMD)) {
1236 tok = au_to_arg32(2, "command", ar->ar_arg_cmd);
1237 kau_write(rec, tok);
1239 if (ARG_IS_VALID(kar, ARG_UID)) {
1240 tok = au_to_arg32(3, "uid", ar->ar_arg_uid);
1241 kau_write(rec, tok);
1243 if (ARG_IS_VALID(kar, ARG_GID)) {
1244 tok = au_to_arg32(3, "gid", ar->ar_arg_gid);
1245 kau_write(rec, tok);
1247 UPATH1_VNODE1_TOKENS;
1251 if (ARG_IS_VALID(kar, ARG_CMD)) {
1252 tok = au_to_arg32(1, "howto", ar->ar_arg_cmd);
1253 kau_write(rec, tok);
1258 ar->ar_event = audit_semctl_to_event(ar->ar_arg_svipc_cmd);
1262 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1263 tok = au_to_arg32(1, "sem ID", ar->ar_arg_svipc_id);
1264 kau_write(rec, tok);
1265 if (ar->ar_errno != EINVAL) {
1266 tok = au_to_ipc(AT_IPC_SEM,
1267 ar->ar_arg_svipc_id);
1268 kau_write(rec, tok);
1274 if (ar->ar_errno == 0) {
1275 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1276 tok = au_to_ipc(AT_IPC_SEM,
1277 ar->ar_arg_svipc_id);
1278 kau_write(rec, tok);
1284 if (ARG_IS_VALID(kar, ARG_EGID)) {
1285 tok = au_to_arg32(1, "egid", ar->ar_arg_egid);
1286 kau_write(rec, tok);
1291 if (ARG_IS_VALID(kar, ARG_EUID)) {
1292 tok = au_to_arg32(1, "euid", ar->ar_arg_euid);
1293 kau_write(rec, tok);
1298 if (ARG_IS_VALID(kar, ARG_RGID)) {
1299 tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid);
1300 kau_write(rec, tok);
1302 if (ARG_IS_VALID(kar, ARG_EGID)) {
1303 tok = au_to_arg32(2, "egid", ar->ar_arg_egid);
1304 kau_write(rec, tok);
1309 if (ARG_IS_VALID(kar, ARG_RUID)) {
1310 tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid);
1311 kau_write(rec, tok);
1313 if (ARG_IS_VALID(kar, ARG_EUID)) {
1314 tok = au_to_arg32(2, "euid", ar->ar_arg_euid);
1315 kau_write(rec, tok);
1320 if (ARG_IS_VALID(kar, ARG_RGID)) {
1321 tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid);
1322 kau_write(rec, tok);
1324 if (ARG_IS_VALID(kar, ARG_EGID)) {
1325 tok = au_to_arg32(2, "egid", ar->ar_arg_egid);
1326 kau_write(rec, tok);
1328 if (ARG_IS_VALID(kar, ARG_SGID)) {
1329 tok = au_to_arg32(3, "sgid", ar->ar_arg_sgid);
1330 kau_write(rec, tok);
1335 if (ARG_IS_VALID(kar, ARG_RUID)) {
1336 tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid);
1337 kau_write(rec, tok);
1339 if (ARG_IS_VALID(kar, ARG_EUID)) {
1340 tok = au_to_arg32(2, "euid", ar->ar_arg_euid);
1341 kau_write(rec, tok);
1343 if (ARG_IS_VALID(kar, ARG_SUID)) {
1344 tok = au_to_arg32(3, "suid", ar->ar_arg_suid);
1345 kau_write(rec, tok);
1350 if (ARG_IS_VALID(kar, ARG_GID)) {
1351 tok = au_to_arg32(1, "gid", ar->ar_arg_gid);
1352 kau_write(rec, tok);
1357 if (ARG_IS_VALID(kar, ARG_UID)) {
1358 tok = au_to_arg32(1, "uid", ar->ar_arg_uid);
1359 kau_write(rec, tok);
1364 if (ARG_IS_VALID(kar, ARG_GROUPSET)) {
1365 for(ctr = 0; ctr < ar->ar_arg_groups.gidset_size; ctr++)
1367 tok = au_to_arg32(1, "setgroups",
1368 ar->ar_arg_groups.gidset[ctr]);
1369 kau_write(rec, tok);
1375 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1376 tok = au_to_text(ar->ar_arg_text);
1377 kau_write(rec, tok);
1381 case AUE_SETPRIORITY:
1382 if (ARG_IS_VALID(kar, ARG_CMD)) {
1383 tok = au_to_arg32(1, "which", ar->ar_arg_cmd);
1384 kau_write(rec, tok);
1386 if (ARG_IS_VALID(kar, ARG_UID)) {
1387 tok = au_to_arg32(2, "who", ar->ar_arg_uid);
1388 kau_write(rec, tok);
1390 PROCESS_PID_TOKENS(2);
1391 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1392 tok = au_to_arg32(3, "priority", ar->ar_arg_value);
1393 kau_write(rec, tok);
1397 case AUE_SETPRIVEXEC:
1398 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1399 tok = au_to_arg32(1, "flag", ar->ar_arg_value);
1400 kau_write(rec, tok);
1404 /* AUE_SHMAT, AUE_SHMCTL, AUE_SHMDT and AUE_SHMGET are SysV IPC */
1406 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1407 tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id);
1408 kau_write(rec, tok);
1409 /* XXXAUDIT: Does having the ipc token make sense? */
1410 tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id);
1411 kau_write(rec, tok);
1413 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1414 tok = au_to_arg32(2, "shmaddr",
1415 (int)(uintptr_t)ar->ar_arg_svipc_addr);
1416 kau_write(rec, tok);
1418 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1419 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1420 kau_write(rec, tok);
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);
1432 switch (ar->ar_arg_svipc_cmd) {
1434 ar->ar_event = AUE_SHMCTL_STAT;
1437 ar->ar_event = AUE_SHMCTL_RMID;
1440 ar->ar_event = AUE_SHMCTL_SET;
1441 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1442 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1443 kau_write(rec, tok);
1447 break; /* We will audit a bad command */
1452 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1453 tok = au_to_arg32(1, "shmaddr",
1454 (int)(uintptr_t)ar->ar_arg_svipc_addr);
1455 kau_write(rec, tok);
1460 /* This is unusual; the return value is in an argument token */
1461 if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) {
1462 tok = au_to_arg32(0, "shmid", ar->ar_arg_svipc_id);
1463 kau_write(rec, tok);
1464 tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id);
1465 kau_write(rec, tok);
1467 if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) {
1468 tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm);
1469 kau_write(rec, tok);
1473 /* AUE_SHMOPEN, AUE_SHMUNLINK, AUE_SEMOPEN, AUE_SEMCLOSE
1474 * and AUE_SEMUNLINK are Posix IPC */
1476 if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) {
1477 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1478 kau_write(rec, tok);
1480 if (ARG_IS_VALID(kar, ARG_MODE)) {
1481 tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1482 kau_write(rec, tok);
1487 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1488 tok = au_to_text(ar->ar_arg_text);
1489 kau_write(rec, tok);
1491 if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) {
1492 struct ipc_perm perm;
1494 perm.uid = ar->ar_arg_pipc_perm.pipc_uid;
1495 perm.gid = ar->ar_arg_pipc_perm.pipc_gid;
1496 perm.cuid = ar->ar_arg_pipc_perm.pipc_uid;
1497 perm.cgid = ar->ar_arg_pipc_perm.pipc_gid;
1498 perm.mode = ar->ar_arg_pipc_perm.pipc_mode;
1501 tok = au_to_ipc_perm(&perm);
1502 kau_write(rec, tok);
1507 if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
1508 tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
1509 kau_write(rec, tok);
1511 if (ARG_IS_VALID(kar, ARG_MODE)) {
1512 tok = au_to_arg32(3, "mode", ar->ar_arg_mode);
1513 kau_write(rec, tok);
1515 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1516 tok = au_to_arg32(4, "value", ar->ar_arg_value);
1517 kau_write(rec, tok);
1522 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1523 tok = au_to_text(ar->ar_arg_text);
1524 kau_write(rec, tok);
1526 if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) {
1527 struct ipc_perm perm;
1529 perm.uid = ar->ar_arg_pipc_perm.pipc_uid;
1530 perm.gid = ar->ar_arg_pipc_perm.pipc_gid;
1531 perm.cuid = ar->ar_arg_pipc_perm.pipc_uid;
1532 perm.cgid = ar->ar_arg_pipc_perm.pipc_gid;
1533 perm.mode = ar->ar_arg_pipc_perm.pipc_mode;
1536 tok = au_to_ipc_perm(&perm);
1537 kau_write(rec, tok);
1542 if (ARG_IS_VALID(kar, ARG_FD)) {
1543 tok = au_to_arg32(1, "sem", ar->ar_arg_fd);
1544 kau_write(rec, tok);
1549 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1550 tok = au_to_text(ar->ar_arg_text);
1551 kau_write(rec, tok);
1553 UPATH1_VNODE1_TOKENS;
1557 case AUE_SYSCTL_NONADMIN:
1558 if (ARG_IS_VALID(kar, ARG_CTLNAME | ARG_LEN)) {
1559 for (ctr = 0; ctr < ar->ar_arg_len; ctr++) {
1560 tok = au_to_arg32(1, "name",
1561 ar->ar_arg_ctlname[ctr]);
1562 kau_write(rec, tok);
1565 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1566 tok = au_to_arg32(5, "newval", ar->ar_arg_value);
1567 kau_write(rec, tok);
1569 if (ARG_IS_VALID(kar, ARG_TEXT)) {
1570 tok = au_to_text(ar->ar_arg_text);
1571 kau_write(rec, tok);
1576 if (ARG_IS_VALID(kar, ARG_MASK)) {
1577 tok = au_to_arg32(1, "new mask", ar->ar_arg_mask);
1578 kau_write(rec, tok);
1580 tok = au_to_arg32(0, "prev mask", ar->ar_retval);
1581 kau_write(rec, tok);
1585 PROCESS_PID_TOKENS(1);
1586 if (ARG_IS_VALID(kar, ARG_VALUE)) {
1587 tok = au_to_arg32(3, "options", ar->ar_arg_value);
1588 kau_write(rec, tok);
1594 * XXXRW/XXXJA: Would be nice to audit socket/etc information.
1597 if (ARG_IS_VALID(kar, ARG_RIGHTS)) {
1598 tok = au_to_arg64(2, "rights", ar->ar_arg_rights);
1599 kau_write(rec, tok);
1603 case AUE_CAP_GETRIGHTS:
1604 if (ARG_IS_VALID(kar, ARG_FD)) {
1605 tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
1606 kau_write(rec, tok);
1611 case AUE_CAP_GETMODE:
1616 printf("BSM conversion requested for unknown event %d\n",
1620 * Write the subject token so it is properly freed here.
1622 kau_write(rec, subj_tok);
1624 return (BSM_NOAUDIT);
1627 kau_write(rec, subj_tok);
1628 tok = au_to_return32(au_errno_to_bsm(ar->ar_errno), ar->ar_retval);
1629 kau_write(rec, tok); /* Every record gets a return token */
1631 kau_close(rec, &ar->ar_endtime, ar->ar_event);
1634 return (BSM_SUCCESS);
1638 * Verify that a record is a valid BSM record. This verification is simple
1639 * now, but may be expanded on sometime in the future. Return 1 if the
1640 * record is good, 0 otherwise.
1643 bsm_rec_verify(void *rec)
1645 char c = *(char *)rec;
1648 * Check the token ID of the first token; it has to be a header
1651 * XXXAUDIT There needs to be a token structure to map a token.
1652 * XXXAUDIT 'Shouldn't be simply looking at the first char.
1654 if ((c != AUT_HEADER32) && (c != AUT_HEADER32_EX) &&
1655 (c != AUT_HEADER64) && (c != AUT_HEADER64_EX))