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freebsd-skq/contrib/openbsm/libbsm/bsm_wrappers.c
rwatson 84f8c77a42 Merge OpenBSM 1.2-alpha5 from vendor branch to FreeBSD -CURRENT: 
- Add a new "qsize" parameter in audit_control and the getacqsize(3) API to
  query it, allowing to set the kernel's maximum audit queue length.
- Add support to push a mapping between audit event names and event numbers
  into the kernel (where supported) using new A_GETEVENT and A_SETEVENT
  auditon(2) operations.
- Add audit event identifiers for a number of new (and not-so-new) FreeBSD
  system calls including those for asynchronous I/O, thread management, SCTP,
  jails, multi-FIB support, and misc. POSIX interfaces such as
  posix_fallocate(2) and posix_fadvise(2).
- On operating systems supporting Capsicum, auditreduce(1) and praudit(1) now
  run sandboxed.
- Empty "flags" and "naflags" fields are now permitted in audit_control(5).

Many thanks to Christian Brueffer for producing the OpenBSM release and
importing/tagging it in the vendor branch.  This release will allow improved
auditing of a range of new FreeBSD functionality, as well as non-traditional
events (e.g., fine-grained I/O auditing) not required by the Orange Book or
Common Criteria.

Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, AFRL
MFC after:	3 weeks
2017-03-26 21:14:49 +00:00

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/*-
* Copyright (c) 2004-2009 Apple Inc.
* Copyright (c) 2016 Robert N. M. Watson
* All rights reserved.
*
* Portions of this software were developed by BAE Systems, the University of
* Cambridge Computer Laboratory, and Memorial University under DARPA/AFRL
* contract FA8650-15-C-7558 ("CADETS"), as part of the DARPA Transparent
* Computing (TC) research program.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef __APPLE__
#define _SYS_AUDIT_H /* Prevent include of sys/audit.h. */
#endif
#include <sys/param.h>
#include <sys/stat.h>
#ifdef __APPLE__
#include <sys/queue.h> /* Our bsm/audit.h doesn't include queue.h. */
#endif
#include <sys/sysctl.h>
#include <bsm/libbsm.h>
#include <unistd.h>
#include <syslog.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
/* These are not advertised in libbsm.h */
int audit_set_terminal_port(dev_t *p);
int audit_set_terminal_host(uint32_t *m);
/*
* General purpose audit submission mechanism for userspace.
*/
int
audit_submit(short au_event, au_id_t auid, char status,
int reterr, const char *fmt, ...)
{
char text[MAX_AUDITSTRING_LEN];
token_t *token;
int acond;
va_list ap;
pid_t pid;
int error, afd, subj_ex;
struct auditinfo ai;
struct auditinfo_addr aia;
au_tid_t atid;
if (audit_get_cond(&acond) != 0) {
/*
* If auditon(2) returns ENOSYS, then audit has not been
* compiled into the kernel, so just return.
*/
if (errno == ENOSYS)
return (0);
error = errno;
syslog(LOG_AUTH | LOG_ERR, "audit: auditon failed: %s",
strerror(errno));
errno = error;
return (-1);
}
if (acond == AUC_NOAUDIT)
return (0);
afd = au_open();
if (afd < 0) {
error = errno;
syslog(LOG_AUTH | LOG_ERR, "audit: au_open failed: %s",
strerror(errno));
errno = error;
return (-1);
}
/*
* Try to use getaudit_addr(2) first. If this kernel does not support
* it, then fall back on to getaudit(2).
*/
subj_ex = 0;
error = getaudit_addr(&aia, sizeof(aia));
if (error < 0 && errno == ENOSYS) {
error = getaudit(&ai);
if (error < 0) {
error = errno;
syslog(LOG_AUTH | LOG_ERR, "audit: getaudit failed: %s",
strerror(errno));
errno = error;
return (-1);
}
/*
* Convert this auditinfo_t to an auditinfo_addr_t to make the
* following code less complicated wrt to preselection and
* subject token generation.
*/
aia.ai_auid = ai.ai_auid;
aia.ai_mask = ai.ai_mask;
aia.ai_asid = ai.ai_asid;
aia.ai_termid.at_type = AU_IPv4;
aia.ai_termid.at_addr[0] = ai.ai_termid.machine;
aia.ai_termid.at_port = ai.ai_termid.port;
} else if (error < 0) {
error = errno;
syslog(LOG_AUTH | LOG_ERR, "audit: getaudit_addr failed: %s",
strerror(errno));
errno = error;
return (-1);
}
/*
* NB: We should be performing pre-selection here now that we have the
* masks for this process.
*/
if (aia.ai_termid.at_type == AU_IPv6)
subj_ex = 1;
pid = getpid();
if (subj_ex == 0) {
atid.port = aia.ai_termid.at_port;
atid.machine = aia.ai_termid.at_addr[0];
token = au_to_subject32(auid, geteuid(), getegid(),
getuid(), getgid(), pid, pid, &atid);
} else
token = au_to_subject_ex(auid, geteuid(), getegid(),
getuid(), getgid(), pid, pid, &aia.ai_termid);
if (token == NULL) {
syslog(LOG_AUTH | LOG_ERR,
"audit: unable to build subject token");
(void) au_close(afd, AU_TO_NO_WRITE, au_event);
errno = EPERM;
return (-1);
}
if (au_write(afd, token) < 0) {
error = errno;
syslog(LOG_AUTH | LOG_ERR,
"audit: au_write failed: %s", strerror(errno));
(void) au_close(afd, AU_TO_NO_WRITE, au_event);
errno = error;
return (-1);
}
if (fmt != NULL) {
va_start(ap, fmt);
(void) vsnprintf(text, MAX_AUDITSTRING_LEN, fmt, ap);
va_end(ap);
token = au_to_text(text);
if (token == NULL) {
syslog(LOG_AUTH | LOG_ERR,
"audit: failed to generate text token");
(void) au_close(afd, AU_TO_NO_WRITE, au_event);
errno = EPERM;
return (-1);
}
if (au_write(afd, token) < 0) {
error = errno;
syslog(LOG_AUTH | LOG_ERR,
"audit: au_write failed: %s", strerror(errno));
(void) au_close(afd, AU_TO_NO_WRITE, au_event);
errno = error;
return (-1);
}
}
token = au_to_return32(au_errno_to_bsm(status), reterr);
if (token == NULL) {
syslog(LOG_AUTH | LOG_ERR,
"audit: unable to build return token");
(void) au_close(afd, AU_TO_NO_WRITE, au_event);
errno = EPERM;
return (-1);
}
if (au_write(afd, token) < 0) {
error = errno;
syslog(LOG_AUTH | LOG_ERR,
"audit: au_write failed: %s", strerror(errno));
(void) au_close(afd, AU_TO_NO_WRITE, au_event);
errno = error;
return (-1);
}
if (au_close(afd, AU_TO_WRITE, au_event) < 0) {
error = errno;
syslog(LOG_AUTH | LOG_ERR, "audit: record not committed");
errno = error;
return (-1);
}
return (0);
}
int
audit_set_terminal_port(dev_t *p)
{
struct stat st;
if (p == NULL)
return (kAUBadParamErr);
#ifdef NODEV
*p = NODEV;
#else
*p = -1;
#endif
/* for /usr/bin/login, try fstat() first */
if (fstat(STDIN_FILENO, &st) != 0) {
if (errno != EBADF) {
syslog(LOG_ERR, "fstat() failed (%s)",
strerror(errno));
return (kAUStatErr);
}
if (stat("/dev/console", &st) != 0) {
syslog(LOG_ERR, "stat() failed (%s)",
strerror(errno));
return (kAUStatErr);
}
}
*p = st.st_rdev;
return (kAUNoErr);
}
int
audit_set_terminal_host(uint32_t *m)
{
#ifdef KERN_HOSTID
int name[2] = { CTL_KERN, KERN_HOSTID };
size_t len;
if (m == NULL)
return (kAUBadParamErr);
*m = 0;
len = sizeof(*m);
if (sysctl(name, 2, m, &len, NULL, 0) != 0) {
syslog(LOG_ERR, "sysctl() failed (%s)", strerror(errno));
return (kAUSysctlErr);
}
return (kAUNoErr);
#else
*m = -1;
return (kAUNoErr);
#endif
}
int
audit_set_terminal_id(au_tid_t *tid)
{
int ret;
if (tid == NULL)
return (kAUBadParamErr);
if ((ret = audit_set_terminal_port(&tid->port)) != kAUNoErr)
return (ret);
return (audit_set_terminal_host(&tid->machine));
}
/*
* This is OK for those callers who have only one token to write. If you have
* multiple tokens that logically form part of the same audit record, you need
* to use the existing au_open()/au_write()/au_close() API:
*
* aufd = au_open();
* tok = au_to_random_token_1(...);
* au_write(aufd, tok);
* tok = au_to_random_token_2(...);
* au_write(aufd, tok);
* ...
* au_close(aufd, AU_TO_WRITE, AUE_your_event_type);
*
* Assumes, like all wrapper calls, that the caller has previously checked
* that auditing is enabled via the audit_get_state() call.
*
* XXX: Should be more robust against bad arguments.
*/
int
audit_write(short event_code, token_t *subject, token_t *misctok, char retval,
int errcode)
{
int aufd;
char *func = "audit_write()";
token_t *rettok;
if ((aufd = au_open()) == -1) {
au_free_token(subject);
au_free_token(misctok);
syslog(LOG_ERR, "%s: au_open() failed", func);
return (kAUOpenErr);
}
/* Save subject. */
if (subject && au_write(aufd, subject) == -1) {
au_free_token(subject);
au_free_token(misctok);
(void)au_close(aufd, AU_TO_NO_WRITE, event_code);
syslog(LOG_ERR, "%s: write of subject failed", func);
return (kAUWriteSubjectTokErr);
}
/* Save the event-specific token. */
if (misctok && au_write(aufd, misctok) == -1) {
au_free_token(misctok);
(void)au_close(aufd, AU_TO_NO_WRITE, event_code);
syslog(LOG_ERR, "%s: write of caller token failed", func);
return (kAUWriteCallerTokErr);
}
/* Tokenize and save the return value. */
if ((rettok = au_to_return32(retval, errcode)) == NULL) {
(void)au_close(aufd, AU_TO_NO_WRITE, event_code);
syslog(LOG_ERR, "%s: au_to_return32() failed", func);
return (kAUMakeReturnTokErr);
}
if (au_write(aufd, rettok) == -1) {
au_free_token(rettok);
(void)au_close(aufd, AU_TO_NO_WRITE, event_code);
syslog(LOG_ERR, "%s: write of return code failed", func);
return (kAUWriteReturnTokErr);
}
/*
* We assume the caller wouldn't have bothered with this
* function if it hadn't already decided to keep the record.
*/
if (au_close(aufd, AU_TO_WRITE, event_code) < 0) {
syslog(LOG_ERR, "%s: au_close() failed", func);
return (kAUCloseErr);
}
return (kAUNoErr);
}
/*
* Same caveats as audit_write(). In addition, this function explicitly
* assumes success; use audit_write_failure() on error.
*/
int
audit_write_success(short event_code, token_t *tok, au_id_t auid, uid_t euid,
gid_t egid, uid_t ruid, gid_t rgid, pid_t pid, au_asid_t sid,
au_tid_t *tid)
{
char *func = "audit_write_success()";
token_t *subject = NULL;
/* Tokenize and save subject. */
subject = au_to_subject32(auid, euid, egid, ruid, rgid, pid, sid,
tid);
if (subject == NULL) {
syslog(LOG_ERR, "%s: au_to_subject32() failed", func);
return kAUMakeSubjectTokErr;
}
return (audit_write(event_code, subject, tok, 0, 0));
}
/*
* Same caveats as audit_write(). In addition, this function explicitly
* assumes success; use audit_write_failure_self() on error.
*/
int
audit_write_success_self(short event_code, token_t *tok)
{
token_t *subject;
char *func = "audit_write_success_self()";
if ((subject = au_to_me()) == NULL) {
syslog(LOG_ERR, "%s: au_to_me() failed", func);
return (kAUMakeSubjectTokErr);
}
return (audit_write(event_code, subject, tok, 0, 0));
}
/*
* Same caveats as audit_write(). In addition, this function explicitly
* assumes failure; use audit_write_success() otherwise.
*
* XXX This should let the caller pass an error return value rather than
* hard-coding -1.
*/
int
audit_write_failure(short event_code, char *errmsg, int errcode, au_id_t auid,
uid_t euid, gid_t egid, uid_t ruid, gid_t rgid, pid_t pid, au_asid_t sid,
au_tid_t *tid)
{
char *func = "audit_write_failure()";
token_t *subject, *errtok;
subject = au_to_subject32(auid, euid, egid, ruid, rgid, pid, sid, tid);
if (subject == NULL) {
syslog(LOG_ERR, "%s: au_to_subject32() failed", func);
return (kAUMakeSubjectTokErr);
}
/* tokenize and save the error message */
if ((errtok = au_to_text(errmsg)) == NULL) {
au_free_token(subject);
syslog(LOG_ERR, "%s: au_to_text() failed", func);
return (kAUMakeTextTokErr);
}
return (audit_write(event_code, subject, errtok, -1, errcode));
}
/*
* Same caveats as audit_write(). In addition, this function explicitly
* assumes failure; use audit_write_success_self() otherwise.
*
* XXX This should let the caller pass an error return value rather than
* hard-coding -1.
*/
int
audit_write_failure_self(short event_code, char *errmsg, int errret)
{
char *func = "audit_write_failure_self()";
token_t *subject, *errtok;
if ((subject = au_to_me()) == NULL) {
syslog(LOG_ERR, "%s: au_to_me() failed", func);
return (kAUMakeSubjectTokErr);
}
/* tokenize and save the error message */
if ((errtok = au_to_text(errmsg)) == NULL) {
au_free_token(subject);
syslog(LOG_ERR, "%s: au_to_text() failed", func);
return (kAUMakeTextTokErr);
}
return (audit_write(event_code, subject, errtok, -1, errret));
}
/*
* For auditing errors during login. Such errors are implicitly
* non-attributable (i.e., not ascribable to any user).
*
* Assumes, like all wrapper calls, that the caller has previously checked
* that auditing is enabled via the audit_get_state() call.
*/
int
audit_write_failure_na(short event_code, char *errmsg, int errret, uid_t euid,
uid_t egid, pid_t pid, au_tid_t *tid)
{
return (audit_write_failure(event_code, errmsg, errret, -1, euid,
egid, -1, -1, pid, -1, tid));
}
/* END OF au_write() WRAPPERS */
#ifdef __APPLE__
void
audit_token_to_au32(audit_token_t atoken, uid_t *auidp, uid_t *euidp,
gid_t *egidp, uid_t *ruidp, gid_t *rgidp, pid_t *pidp, au_asid_t *asidp,
au_tid_t *tidp)
{
if (auidp != NULL)
*auidp = (uid_t)atoken.val[0];
if (euidp != NULL)
*euidp = (uid_t)atoken.val[1];
if (egidp != NULL)
*egidp = (gid_t)atoken.val[2];
if (ruidp != NULL)
*ruidp = (uid_t)atoken.val[3];
if (rgidp != NULL)
*rgidp = (gid_t)atoken.val[4];
if (pidp != NULL)
*pidp = (pid_t)atoken.val[5];
if (asidp != NULL)
*asidp = (au_asid_t)atoken.val[6];
if (tidp != NULL) {
audit_set_terminal_host(&tidp->machine);
tidp->port = (dev_t)atoken.val[7];
}
}
#endif /* !__APPLE__ */
int
audit_get_cond(int *cond)
{
int ret;
ret = auditon(A_GETCOND, cond, sizeof(*cond));
#ifdef A_OLDGETCOND
if ((0 != ret) && EINVAL == errno) {
long lcond = *cond;
ret = auditon(A_OLDGETCOND, &lcond, sizeof(lcond));
*cond = (int)lcond;
}
#endif
return (ret);
}
int
audit_set_cond(int *cond)
{
int ret;
ret = auditon(A_SETCOND, cond, sizeof(*cond));
#ifdef A_OLDSETCOND
if ((0 != ret) && (EINVAL == errno)) {
long lcond = (long)*cond;
ret = auditon(A_OLDSETCOND, &lcond, sizeof(lcond));
*cond = (int)lcond;
}
#endif
return (ret);
}
int
audit_get_policy(int *policy)
{
int ret;
ret = auditon(A_GETPOLICY, policy, sizeof(*policy));
#ifdef A_OLDGETPOLICY
if ((0 != ret) && (EINVAL == errno)){
long lpolicy = (long)*policy;
ret = auditon(A_OLDGETPOLICY, &lpolicy, sizeof(lpolicy));
*policy = (int)lpolicy;
}
#endif
return (ret);
}
int
audit_set_policy(int *policy)
{
int ret;
ret = auditon(A_SETPOLICY, policy, sizeof(*policy));
#ifdef A_OLDSETPOLICY
if ((0 != ret) && (EINVAL == errno)){
long lpolicy = (long)*policy;
ret = auditon(A_OLDSETPOLICY, &lpolicy, sizeof(lpolicy));
*policy = (int)lpolicy;
}
#endif
return (ret);
}
int
audit_get_qctrl(au_qctrl_t *qctrl, size_t sz)
{
int ret;
if (sizeof(*qctrl) != sz) {
errno = EINVAL;
return (-1);
}
ret = auditon(A_GETQCTRL, qctrl, sizeof(*qctrl));
#ifdef A_OLDGETQCTRL
if ((0 != ret) && (EINVAL == errno)){
struct old_qctrl {
size_t oq_hiwater;
size_t oq_lowater;
size_t oq_bufsz;
clock_t oq_delay;
int oq_minfree;
} oq;
oq.oq_hiwater = (size_t)qctrl->aq_hiwater;
oq.oq_lowater = (size_t)qctrl->aq_lowater;
oq.oq_bufsz = (size_t)qctrl->aq_bufsz;
oq.oq_delay = (clock_t)qctrl->aq_delay;
oq.oq_minfree = qctrl->aq_minfree;
ret = auditon(A_OLDGETQCTRL, &oq, sizeof(oq));
qctrl->aq_hiwater = (int)oq.oq_hiwater;
qctrl->aq_lowater = (int)oq.oq_lowater;
qctrl->aq_bufsz = (int)oq.oq_bufsz;
qctrl->aq_delay = (int)oq.oq_delay;
qctrl->aq_minfree = oq.oq_minfree;
}
#endif /* A_OLDGETQCTRL */
return (ret);
}
int
audit_set_qctrl(au_qctrl_t *qctrl, size_t sz)
{
int ret;
if (sizeof(*qctrl) != sz) {
errno = EINVAL;
return (-1);
}
ret = auditon(A_SETQCTRL, qctrl, sz);
#ifdef A_OLDSETQCTRL
if ((0 != ret) && (EINVAL == errno)) {
struct old_qctrl {
size_t oq_hiwater;
size_t oq_lowater;
size_t oq_bufsz;
clock_t oq_delay;
int oq_minfree;
} oq;
oq.oq_hiwater = (size_t)qctrl->aq_hiwater;
oq.oq_lowater = (size_t)qctrl->aq_lowater;
oq.oq_bufsz = (size_t)qctrl->aq_bufsz;
oq.oq_delay = (clock_t)qctrl->aq_delay;
oq.oq_minfree = qctrl->aq_minfree;
ret = auditon(A_OLDSETQCTRL, &oq, sizeof(oq));
qctrl->aq_hiwater = (int)oq.oq_hiwater;
qctrl->aq_lowater = (int)oq.oq_lowater;
qctrl->aq_bufsz = (int)oq.oq_bufsz;
qctrl->aq_delay = (int)oq.oq_delay;
qctrl->aq_minfree = oq.oq_minfree;
}
#endif /* A_OLDSETQCTRL */
return (ret);
}
int
audit_send_trigger(int *trigger)
{
return (auditon(A_SENDTRIGGER, trigger, sizeof(*trigger)));
}
int
audit_get_kaudit(auditinfo_addr_t *aia, size_t sz)
{
if (sizeof(*aia) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_GETKAUDIT, aia, sz));
}
int
audit_set_kaudit(auditinfo_addr_t *aia, size_t sz)
{
if (sizeof(*aia) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_SETKAUDIT, aia, sz));
}
int
audit_get_class(au_evclass_map_t *evc_map, size_t sz)
{
if (sizeof(*evc_map) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_GETCLASS, evc_map, sz));
}
int
audit_set_class(au_evclass_map_t *evc_map, size_t sz)
{
if (sizeof(*evc_map) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_SETCLASS, evc_map, sz));
}
int
audit_get_event(au_evname_map_t *evn_map, size_t sz)
{
if (sizeof(*evn_map) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_GETEVENT, evn_map, sz));
}
int
audit_set_event(au_evname_map_t *evn_map, size_t sz)
{
if (sizeof(*evn_map) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_SETEVENT, evn_map, sz));
}
int
audit_get_kmask(au_mask_t *kmask, size_t sz)
{
if (sizeof(*kmask) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_GETKMASK, kmask, sz));
}
int
audit_set_kmask(au_mask_t *kmask, size_t sz)
{
if (sizeof(*kmask) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_SETKMASK, kmask, sz));
}
int
audit_get_fsize(au_fstat_t *fstat, size_t sz)
{
if (sizeof(*fstat) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_GETFSIZE, fstat, sz));
}
int
audit_set_fsize(au_fstat_t *fstat, size_t sz)
{
if (sizeof(*fstat) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_SETFSIZE, fstat, sz));
}
int
audit_set_pmask(auditpinfo_t *api, size_t sz)
{
if (sizeof(*api) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_SETPMASK, api, sz));
}
int
audit_get_pinfo(auditpinfo_t *api, size_t sz)
{
if (sizeof(*api) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_GETPINFO, api, sz));
}
int
audit_get_pinfo_addr(auditpinfo_addr_t *apia, size_t sz)
{
if (sizeof(*apia) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_GETPINFO_ADDR, apia, sz));
}
int
audit_get_sinfo_addr(auditinfo_addr_t *aia, size_t sz)
{
if (sizeof(*aia) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_GETSINFO_ADDR, aia, sz));
}
int
audit_get_stat(au_stat_t *stats, size_t sz)
{
if (sizeof(*stats) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_GETSTAT, stats, sz));
}
int
audit_set_stat(au_stat_t *stats, size_t sz)
{
if (sizeof(*stats) != sz) {
errno = EINVAL;
return (-1);
}
return (auditon(A_GETSTAT, stats, sz));
}
int
audit_get_cwd(char *path, size_t sz)
{
return (auditon(A_GETCWD, path, sz));
}
int
audit_get_car(char *path, size_t sz)
{
return (auditon(A_GETCAR, path, sz));
}
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