/* ARGSUSED */
int
auditon(struct thread *td, struct auditon_args *uap)
{
struct ucred *cred, *newcred, *oldcred;
int error;
union auditon_udata udata;
struct proc *tp;
if (jailed(td->td_ucred))
return (ENOSYS);
AUDIT_ARG_CMD(uap->cmd);
#ifdef MAC
error = mac_system_check_auditon(td->td_ucred, uap->cmd);
if (error)
return (error);
#endif
error = priv_check(td, PRIV_AUDIT_CONTROL);
if (error)
return (error);
if ((uap->length <= 0) || (uap->length > sizeof(union auditon_udata)))
return (EINVAL);
memset((void *)&udata, 0, sizeof(udata));
/*
* Some of the GET commands use the arguments too.
*/
switch (uap->cmd) {
case A_SETPOLICY:
case A_OLDSETPOLICY:
case A_SETKMASK:
case A_SETQCTRL:
case A_OLDSETQCTRL:
case A_SETSTAT:
case A_SETUMASK:
case A_SETSMASK:
case A_SETCOND:
case A_OLDSETCOND:
case A_SETCLASS:
case A_SETPMASK:
case A_SETFSIZE:
case A_SETKAUDIT:
case A_GETCLASS:
case A_GETPINFO:
case A_GETPINFO_ADDR:
case A_SENDTRIGGER:
error = copyin(uap->data, (void *)&udata, uap->length);
if (error)
return (error);
AUDIT_ARG_AUDITON(&udata);
break;
}
/*
* XXXAUDIT: Locking?
*/
switch (uap->cmd) {
case A_OLDGETPOLICY:
case A_GETPOLICY:
if (uap->length == sizeof(udata.au_policy64)) {
if (!audit_fail_stop)
udata.au_policy64 |= AUDIT_CNT;
if (audit_panic_on_write_fail)
udata.au_policy64 |= AUDIT_AHLT;
if (audit_argv)
udata.au_policy64 |= AUDIT_ARGV;
if (audit_arge)
udata.au_policy64 |= AUDIT_ARGE;
break;
}
if (uap->length != sizeof(udata.au_policy))
return (EINVAL);
if (!audit_fail_stop)
udata.au_policy |= AUDIT_CNT;
if (audit_panic_on_write_fail)
udata.au_policy |= AUDIT_AHLT;
if (audit_argv)
udata.au_policy |= AUDIT_ARGV;
if (audit_arge)
udata.au_policy |= AUDIT_ARGE;
break;
case A_OLDSETPOLICY:
case A_SETPOLICY:
if (uap->length == sizeof(udata.au_policy64)) {
if (udata.au_policy & (~AUDIT_CNT|AUDIT_AHLT|
AUDIT_ARGV|AUDIT_ARGE))
return (EINVAL);
audit_fail_stop = ((udata.au_policy64 & AUDIT_CNT) ==
0);
audit_panic_on_write_fail = (udata.au_policy64 &
AUDIT_AHLT);
audit_argv = (udata.au_policy64 & AUDIT_ARGV);
audit_arge = (udata.au_policy64 & AUDIT_ARGE);
break;
}
if (uap->length != sizeof(udata.au_policy))
return (EINVAL);
if (udata.au_policy & ~(AUDIT_CNT|AUDIT_AHLT|AUDIT_ARGV|
AUDIT_ARGE))
return (EINVAL);
/*
* XXX - Need to wake up waiters if the policy relaxes?
*/
audit_fail_stop = ((udata.au_policy & AUDIT_CNT) == 0);
audit_panic_on_write_fail = (udata.au_policy & AUDIT_AHLT);
audit_argv = (udata.au_policy & AUDIT_ARGV);
audit_arge = (udata.au_policy & AUDIT_ARGE);
break;
case A_GETKMASK:
if (uap->length != sizeof(udata.au_mask))
return (EINVAL);
udata.au_mask = audit_nae_mask;
break;
case A_SETKMASK:
if (uap->length != sizeof(udata.au_mask))
return (EINVAL);
audit_nae_mask = udata.au_mask;
break;
case A_OLDGETQCTRL:
case A_GETQCTRL:
if (uap->length == sizeof(udata.au_qctrl64)) {
udata.au_qctrl64.aq64_hiwater =
(u_int64_t)audit_qctrl.aq_hiwater;
udata.au_qctrl64.aq64_lowater =
(u_int64_t)audit_qctrl.aq_lowater;
udata.au_qctrl64.aq64_bufsz =
(u_int64_t)audit_qctrl.aq_bufsz;
udata.au_qctrl64.aq64_minfree =
(u_int64_t)audit_qctrl.aq_minfree;
break;
}
if (uap->length != sizeof(udata.au_qctrl))
return (EINVAL);
udata.au_qctrl = audit_qctrl;
break;
case A_OLDSETQCTRL:
case A_SETQCTRL:
if (uap->length == sizeof(udata.au_qctrl64)) {
if ((udata.au_qctrl64.aq64_hiwater > AQ_MAXHIGH) ||
(udata.au_qctrl64.aq64_lowater >=
udata.au_qctrl.aq_hiwater) ||
(udata.au_qctrl64.aq64_bufsz > AQ_MAXBUFSZ) ||
(udata.au_qctrl64.aq64_minfree < 0) ||
(udata.au_qctrl64.aq64_minfree > 100))
return (EINVAL);
audit_qctrl.aq_hiwater =
(int)udata.au_qctrl64.aq64_hiwater;
audit_qctrl.aq_lowater =
(int)udata.au_qctrl64.aq64_lowater;
audit_qctrl.aq_bufsz =
(int)udata.au_qctrl64.aq64_bufsz;
audit_qctrl.aq_minfree =
(int)udata.au_qctrl64.aq64_minfree;
audit_qctrl.aq_delay = -1; /* Not used. */
break;
}
if (uap->length != sizeof(udata.au_qctrl))
return (EINVAL);
if ((udata.au_qctrl.aq_hiwater > AQ_MAXHIGH) ||
(udata.au_qctrl.aq_lowater >= udata.au_qctrl.aq_hiwater) ||
(udata.au_qctrl.aq_bufsz > AQ_MAXBUFSZ) ||
(udata.au_qctrl.aq_minfree < 0) ||
(udata.au_qctrl.aq_minfree > 100))
return (EINVAL);
audit_qctrl = udata.au_qctrl;
/* XXX The queue delay value isn't used with the kernel. */
audit_qctrl.aq_delay = -1;
break;
case A_GETCWD:
return (ENOSYS);
break;
case A_GETCAR:
return (ENOSYS);
break;
case A_GETSTAT:
return (ENOSYS);
break;
case A_SETSTAT:
return (ENOSYS);
break;
case A_SETUMASK:
return (ENOSYS);
break;
case A_SETSMASK:
return (ENOSYS);
break;
case A_OLDGETCOND:
case A_GETCOND:
if (uap->length == sizeof(udata.au_cond64)) {
if (audit_enabled && !audit_suspended)
udata.au_cond64 = AUC_AUDITING;
else
udata.au_cond64 = AUC_NOAUDIT;
break;
}
if (uap->length != sizeof(udata.au_cond))
return (EINVAL);
if (audit_enabled && !audit_suspended)
udata.au_cond = AUC_AUDITING;
else
udata.au_cond = AUC_NOAUDIT;
break;
case A_OLDSETCOND:
case A_SETCOND:
if (uap->length == sizeof(udata.au_cond64)) {
if (udata.au_cond64 == AUC_NOAUDIT)
audit_suspended = 1;
if (udata.au_cond64 == AUC_AUDITING)
audit_suspended = 0;
if (udata.au_cond64 == AUC_DISABLED) {
audit_suspended = 1;
audit_shutdown(NULL, 0);
}
break;
}
if (uap->length != sizeof(udata.au_cond))
return (EINVAL);
if (udata.au_cond == AUC_NOAUDIT)
audit_suspended = 1;
if (udata.au_cond == AUC_AUDITING)
audit_suspended = 0;
if (udata.au_cond == AUC_DISABLED) {
audit_suspended = 1;
audit_shutdown(NULL, 0);
}
break;
case A_GETCLASS:
if (uap->length != sizeof(udata.au_evclass))
return (EINVAL);
udata.au_evclass.ec_class = au_event_class(
udata.au_evclass.ec_number);
break;
case A_SETCLASS:
if (uap->length != sizeof(udata.au_evclass))
return (EINVAL);
au_evclassmap_insert(udata.au_evclass.ec_number,
udata.au_evclass.ec_class);
break;
case A_GETPINFO:
if (uap->length != sizeof(udata.au_aupinfo))
return (EINVAL);
if (udata.au_aupinfo.ap_pid < 1)
return (ESRCH);
if ((tp = pfind(udata.au_aupinfo.ap_pid)) == NULL)
return (ESRCH);
if ((error = p_cansee(td, tp)) != 0) {
PROC_UNLOCK(tp);
return (error);
}
cred = tp->p_ucred;
if (cred->cr_audit.ai_termid.at_type == AU_IPv6) {
PROC_UNLOCK(tp);
return (EINVAL);
}
udata.au_aupinfo.ap_auid = cred->cr_audit.ai_auid;
udata.au_aupinfo.ap_mask.am_success =
cred->cr_audit.ai_mask.am_success;
udata.au_aupinfo.ap_mask.am_failure =
cred->cr_audit.ai_mask.am_failure;
udata.au_aupinfo.ap_termid.machine =
cred->cr_audit.ai_termid.at_addr[0];
udata.au_aupinfo.ap_termid.port =
(dev_t)cred->cr_audit.ai_termid.at_port;
udata.au_aupinfo.ap_asid = cred->cr_audit.ai_asid;
PROC_UNLOCK(tp);
break;
case A_SETPMASK:
if (uap->length != sizeof(udata.au_aupinfo))
return (EINVAL);
if (udata.au_aupinfo.ap_pid < 1)
return (ESRCH);
newcred = crget();
if ((tp = pfind(udata.au_aupinfo.ap_pid)) == NULL) {
crfree(newcred);
return (ESRCH);
}
if ((error = p_cansee(td, tp)) != 0) {
PROC_UNLOCK(tp);
crfree(newcred);
return (error);
}
oldcred = tp->p_ucred;
crcopy(newcred, oldcred);
newcred->cr_audit.ai_mask.am_success =
udata.au_aupinfo.ap_mask.am_success;
newcred->cr_audit.ai_mask.am_failure =
udata.au_aupinfo.ap_mask.am_failure;
td->td_proc->p_ucred = newcred;
PROC_UNLOCK(tp);
crfree(oldcred);
break;
case A_SETFSIZE:
if (uap->length != sizeof(udata.au_fstat))
return (EINVAL);
if ((udata.au_fstat.af_filesz != 0) &&
(udata.au_fstat.af_filesz < MIN_AUDIT_FILE_SIZE))
return (EINVAL);
audit_fstat.af_filesz = udata.au_fstat.af_filesz;
break;
case A_GETFSIZE:
if (uap->length != sizeof(udata.au_fstat))
return (EINVAL);
udata.au_fstat.af_filesz = audit_fstat.af_filesz;
udata.au_fstat.af_currsz = audit_fstat.af_currsz;
break;
case A_GETPINFO_ADDR:
if (uap->length != sizeof(udata.au_aupinfo_addr))
return (EINVAL);
if (udata.au_aupinfo_addr.ap_pid < 1)
return (ESRCH);
if ((tp = pfind(udata.au_aupinfo_addr.ap_pid)) == NULL)
return (ESRCH);
cred = tp->p_ucred;
udata.au_aupinfo_addr.ap_auid = cred->cr_audit.ai_auid;
udata.au_aupinfo_addr.ap_mask.am_success =
cred->cr_audit.ai_mask.am_success;
udata.au_aupinfo_addr.ap_mask.am_failure =
cred->cr_audit.ai_mask.am_failure;
udata.au_aupinfo_addr.ap_termid = cred->cr_audit.ai_termid;
udata.au_aupinfo_addr.ap_asid = cred->cr_audit.ai_asid;
PROC_UNLOCK(tp);
break;
case A_GETKAUDIT:
if (uap->length != sizeof(udata.au_kau_info))
return (EINVAL);
audit_get_kinfo(&udata.au_kau_info);
break;
case A_SETKAUDIT:
if (uap->length != sizeof(udata.au_kau_info))
return (EINVAL);
if (udata.au_kau_info.ai_termid.at_type != AU_IPv4 &&
udata.au_kau_info.ai_termid.at_type != AU_IPv6)
return (EINVAL);
audit_set_kinfo(&udata.au_kau_info);
break;
case A_SENDTRIGGER:
if (uap->length != sizeof(udata.au_trigger))
return (EINVAL);
if ((udata.au_trigger < AUDIT_TRIGGER_MIN) ||
(udata.au_trigger > AUDIT_TRIGGER_MAX))
return (EINVAL);
return (audit_send_trigger(udata.au_trigger));
default:
return (EINVAL);
}
/*
* Copy data back to userspace for the GET comands.
*/
switch (uap->cmd) {
case A_GETPOLICY:
case A_OLDGETPOLICY:
case A_GETKMASK:
case A_GETQCTRL:
case A_OLDGETQCTRL:
case A_GETCWD:
case A_GETCAR:
case A_GETSTAT:
case A_GETCOND:
case A_OLDGETCOND:
case A_GETCLASS:
case A_GETPINFO:
case A_GETFSIZE:
case A_GETPINFO_ADDR:
case A_GETKAUDIT:
error = copyout((void *)&udata, uap->data, uap->length);
if (error)
return (error);
break;
}
return (0);
}
/* ARGSUSED */
int
auditon(proc_t p, struct auditon_args *uap, __unused int32_t *retval)
{
kauth_cred_t scred;
int error = 0;
union auditon_udata udata;
proc_t tp = PROC_NULL;
struct auditinfo_addr aia;
AUDIT_ARG(cmd, uap->cmd);
#if CONFIG_MACF
error = mac_system_check_auditon(kauth_cred_get(), uap->cmd);
if (error)
return (error);
#endif
if ((uap->length <= 0) || (uap->length >
(int)sizeof(union auditon_udata)))
return (EINVAL);
memset((void *)&udata, 0, sizeof(udata));
/*
* Some of the GET commands use the arguments too.
*/
switch (uap->cmd) {
case A_SETPOLICY:
case A_OLDSETPOLICY:
case A_SETKMASK:
case A_SETQCTRL:
case A_OLDSETQCTRL:
case A_SETSTAT:
case A_SETUMASK:
case A_SETSMASK:
case A_SETCOND:
case A_OLDSETCOND:
case A_SETCLASS:
case A_SETPMASK:
case A_SETFSIZE:
case A_SETKAUDIT:
case A_GETCLASS:
case A_GETPINFO:
case A_GETPINFO_ADDR:
case A_SENDTRIGGER:
case A_GETSINFO_ADDR:
case A_GETSFLAGS:
case A_SETSFLAGS:
error = copyin(uap->data, (void *)&udata, uap->length);
if (error)
return (error);
AUDIT_ARG(auditon, &udata);
AUDIT_ARG(len, uap->length);
break;
}
/* Check appropriate privilege. */
switch (uap->cmd) {
/*
* A_GETSINFO doesn't require priviledge but only superuser
* gets to see the audit masks.
*/
case A_GETSINFO_ADDR:
if ((sizeof(udata.au_kau_info) != uap->length) ||
(audit_session_lookup(udata.au_kau_info.ai_asid,
&udata.au_kau_info) != 0))
error = EINVAL;
else if (!kauth_cred_issuser(kauth_cred_get())) {
udata.au_kau_info.ai_mask.am_success = ~0;
udata.au_kau_info.ai_mask.am_failure = ~0;
}
break;
case A_GETSFLAGS:
case A_SETSFLAGS:
/* Getting one's own audit session flags requires no
* privilege. Setting the flags is subject to access
* control implemented in audit_session_setaia().
*/
break;
default:
error = suser(kauth_cred_get(), &p->p_acflag);
break;
}
if (error)
return (error);
/*
* XXX Need to implement these commands by accessing the global
* values associated with the commands.
*/
switch (uap->cmd) {
case A_OLDGETPOLICY:
case A_GETPOLICY:
if (sizeof(udata.au_policy64) == uap->length) {
mtx_lock(&audit_mtx);
if (!audit_fail_stop)
udata.au_policy64 |= AUDIT_CNT;
if (audit_panic_on_write_fail)
udata.au_policy64 |= AUDIT_AHLT;
if (audit_argv)
udata.au_policy64 |= AUDIT_ARGV;
if (audit_arge)
udata.au_policy64 |= AUDIT_ARGE;
mtx_unlock(&audit_mtx);
break;
}
if (sizeof(udata.au_policy) != uap->length)
return (EINVAL);
mtx_lock(&audit_mtx);
if (!audit_fail_stop)
udata.au_policy |= AUDIT_CNT;
if (audit_panic_on_write_fail)
udata.au_policy |= AUDIT_AHLT;
if (audit_argv)
udata.au_policy |= AUDIT_ARGV;
if (audit_arge)
udata.au_policy |= AUDIT_ARGE;
mtx_unlock(&audit_mtx);
break;
case A_OLDSETPOLICY:
case A_SETPOLICY:
if (sizeof(udata.au_policy64) == uap->length) {
if (udata.au_policy64 & ~(AUDIT_CNT|AUDIT_AHLT|
AUDIT_ARGV|AUDIT_ARGE))
return (EINVAL);
mtx_lock(&audit_mtx);
audit_fail_stop = ((udata.au_policy64 & AUDIT_CNT) ==
0);
audit_panic_on_write_fail = (udata.au_policy64 &
AUDIT_AHLT);
audit_argv = (udata.au_policy64 & AUDIT_ARGV);
audit_arge = (udata.au_policy64 & AUDIT_ARGE);
mtx_unlock(&audit_mtx);
break;
}
if ((sizeof(udata.au_policy) != uap->length) ||
(udata.au_policy & ~(AUDIT_CNT|AUDIT_AHLT|AUDIT_ARGV|
AUDIT_ARGE)))
return (EINVAL);
/*
* XXX - Need to wake up waiters if the policy relaxes?
*/
mtx_lock(&audit_mtx);
audit_fail_stop = ((udata.au_policy & AUDIT_CNT) == 0);
audit_panic_on_write_fail = (udata.au_policy & AUDIT_AHLT);
audit_argv = (udata.au_policy & AUDIT_ARGV);
audit_arge = (udata.au_policy & AUDIT_ARGE);
mtx_unlock(&audit_mtx);
break;
case A_GETKMASK:
if (sizeof(udata.au_mask) != uap->length)
return (EINVAL);
mtx_lock(&audit_mtx);
udata.au_mask = audit_nae_mask;
mtx_unlock(&audit_mtx);
break;
case A_SETKMASK:
if (sizeof(udata.au_mask) != uap->length)
return (EINVAL);
mtx_lock(&audit_mtx);
audit_nae_mask = udata.au_mask;
AUDIT_CHECK_IF_KEVENTS_MASK(audit_nae_mask);
mtx_unlock(&audit_mtx);
break;
case A_OLDGETQCTRL:
case A_GETQCTRL:
if (sizeof(udata.au_qctrl64) == uap->length) {
mtx_lock(&audit_mtx);
udata.au_qctrl64.aq64_hiwater =
(u_int64_t)audit_qctrl.aq_hiwater;
udata.au_qctrl64.aq64_lowater =
(u_int64_t)audit_qctrl.aq_lowater;
udata.au_qctrl64.aq64_bufsz =
(u_int64_t)audit_qctrl.aq_bufsz;
udata.au_qctrl64.aq64_delay =
(u_int64_t)audit_qctrl.aq_delay;
udata.au_qctrl64.aq64_minfree =
(int64_t)audit_qctrl.aq_minfree;
mtx_unlock(&audit_mtx);
break;
}
if (sizeof(udata.au_qctrl) != uap->length)
return (EINVAL);
mtx_lock(&audit_mtx);
udata.au_qctrl = audit_qctrl;
mtx_unlock(&audit_mtx);
break;
case A_OLDSETQCTRL:
case A_SETQCTRL:
if (sizeof(udata.au_qctrl64) == uap->length) {
if ((udata.au_qctrl64.aq64_hiwater > AQ_MAXHIGH) ||
(udata.au_qctrl64.aq64_lowater >=
udata.au_qctrl64.aq64_hiwater) ||
(udata.au_qctrl64.aq64_bufsz > AQ_MAXBUFSZ) ||
(udata.au_qctrl64.aq64_minfree < 0) ||
(udata.au_qctrl64.aq64_minfree > 100))
return (EINVAL);
mtx_lock(&audit_mtx);
audit_qctrl.aq_hiwater =
(int)udata.au_qctrl64.aq64_hiwater;
audit_qctrl.aq_lowater =
(int)udata.au_qctrl64.aq64_lowater;
audit_qctrl.aq_bufsz =
(int)udata.au_qctrl64.aq64_bufsz;
audit_qctrl.aq_minfree =
(int)udata.au_qctrl64.aq64_minfree;
audit_qctrl.aq_delay = -1; /* Not used. */
mtx_unlock(&audit_mtx);
break;
}
if ((sizeof(udata.au_qctrl) != uap->length) ||
(udata.au_qctrl.aq_hiwater > AQ_MAXHIGH) ||
(udata.au_qctrl.aq_lowater >= udata.au_qctrl.aq_hiwater) ||
(udata.au_qctrl.aq_bufsz > AQ_MAXBUFSZ) ||
(udata.au_qctrl.aq_minfree < 0) ||
(udata.au_qctrl.aq_minfree > 100))
return (EINVAL);
mtx_lock(&audit_mtx);
audit_qctrl = udata.au_qctrl;
/* XXX The queue delay value isn't used with the kernel. */
audit_qctrl.aq_delay = -1;
mtx_unlock(&audit_mtx);
break;
case A_GETCWD:
return (ENOSYS);
case A_GETCAR:
return (ENOSYS);
case A_GETSTAT:
return (ENOSYS);
case A_SETSTAT:
return (ENOSYS);
case A_SETUMASK:
return (ENOSYS);
case A_SETSMASK:
return (ENOSYS);
case A_OLDGETCOND:
case A_GETCOND:
if (sizeof(udata.au_cond64) == uap->length) {
mtx_lock(&audit_mtx);
if (audit_enabled && !audit_suspended)
udata.au_cond64 = AUC_AUDITING;
else
udata.au_cond64 = AUC_NOAUDIT;
mtx_unlock(&audit_mtx);
break;
}
if (sizeof(udata.au_cond) != uap->length)
return (EINVAL);
mtx_lock(&audit_mtx);
if (audit_enabled && !audit_suspended)
udata.au_cond = AUC_AUDITING;
else
udata.au_cond = AUC_NOAUDIT;
mtx_unlock(&audit_mtx);
break;
case A_OLDSETCOND:
case A_SETCOND:
if (sizeof(udata.au_cond64) == uap->length) {
mtx_lock(&audit_mtx);
if (udata.au_cond64 == AUC_NOAUDIT)
audit_suspended = 1;
if (udata.au_cond64 == AUC_AUDITING)
audit_suspended = 0;
if (udata.au_cond64 == AUC_DISABLED) {
audit_suspended = 1;
mtx_unlock(&audit_mtx);
audit_shutdown();
break;
}
mtx_unlock(&audit_mtx);
break;
}
if (sizeof(udata.au_cond) != uap->length) {
return (EINVAL);
}
mtx_lock(&audit_mtx);
if (udata.au_cond == AUC_NOAUDIT)
audit_suspended = 1;
if (udata.au_cond == AUC_AUDITING)
audit_suspended = 0;
if (udata.au_cond == AUC_DISABLED) {
audit_suspended = 1;
mtx_unlock(&audit_mtx);
audit_shutdown();
break;
}
mtx_unlock(&audit_mtx);
break;
case A_GETCLASS:
if (sizeof(udata.au_evclass) != uap->length)
return (EINVAL);
udata.au_evclass.ec_class = au_event_class(
udata.au_evclass.ec_number);
break;
case A_SETCLASS:
if (sizeof(udata.au_evclass) != uap->length)
return (EINVAL);
au_evclassmap_insert(udata.au_evclass.ec_number,
udata.au_evclass.ec_class);
break;
case A_GETPINFO:
if ((sizeof(udata.au_aupinfo) != uap->length) ||
IS_NOT_VALID_PID(udata.au_aupinfo.ap_pid))
return (EINVAL);
if ((tp = proc_find(udata.au_aupinfo.ap_pid)) == NULL)
return (ESRCH);
scred = kauth_cred_proc_ref(tp);
if (scred->cr_audit.as_aia_p->ai_termid.at_type == AU_IPv6) {
kauth_cred_unref(&scred);
proc_rele(tp);
return (EINVAL);
}
udata.au_aupinfo.ap_auid =
scred->cr_audit.as_aia_p->ai_auid;
udata.au_aupinfo.ap_mask.am_success =
scred->cr_audit.as_mask.am_success;
udata.au_aupinfo.ap_mask.am_failure =
scred->cr_audit.as_mask.am_failure;
udata.au_aupinfo.ap_termid.machine =
scred->cr_audit.as_aia_p->ai_termid.at_addr[0];
udata.au_aupinfo.ap_termid.port =
scred->cr_audit.as_aia_p->ai_termid.at_port;
udata.au_aupinfo.ap_asid =
scred->cr_audit.as_aia_p->ai_asid;
kauth_cred_unref(&scred);
proc_rele(tp);
tp = PROC_NULL;
break;
case A_SETPMASK:
if ((sizeof(udata.au_aupinfo) != uap->length) ||
IS_NOT_VALID_PID(udata.au_aupinfo.ap_pid))
return (EINVAL);
if ((tp = proc_find(udata.au_aupinfo.ap_pid)) == NULL)
return (ESRCH);
scred = kauth_cred_proc_ref(tp);
bcopy(scred->cr_audit.as_aia_p, &aia, sizeof(aia));
kauth_cred_unref(&scred);
aia.ai_mask.am_success =
udata.au_aupinfo.ap_mask.am_success;
aia.ai_mask.am_failure =
udata.au_aupinfo.ap_mask.am_failure;
AUDIT_CHECK_IF_KEVENTS_MASK(aia.ai_mask);
error = audit_session_setaia(tp, &aia);
proc_rele(tp);
tp = PROC_NULL;
if (error)
return (error);
break;
case A_SETFSIZE:
if ((sizeof(udata.au_fstat) != uap->length) ||
((udata.au_fstat.af_filesz != 0) &&
(udata.au_fstat.af_filesz < MIN_AUDIT_FILE_SIZE)))
return (EINVAL);
mtx_lock(&audit_mtx);
audit_fstat.af_filesz = udata.au_fstat.af_filesz;
mtx_unlock(&audit_mtx);
break;
case A_GETFSIZE:
if (sizeof(udata.au_fstat) != uap->length)
return (EINVAL);
mtx_lock(&audit_mtx);
udata.au_fstat.af_filesz = audit_fstat.af_filesz;
udata.au_fstat.af_currsz = audit_fstat.af_currsz;
mtx_unlock(&audit_mtx);
break;
case A_GETPINFO_ADDR:
if ((sizeof(udata.au_aupinfo_addr) != uap->length) ||
IS_NOT_VALID_PID(udata.au_aupinfo_addr.ap_pid))
return (EINVAL);
if ((tp = proc_find(udata.au_aupinfo.ap_pid)) == NULL)
return (ESRCH);
WARN_IF_AINFO_ADDR_CHANGED(uap->length,
sizeof(auditpinfo_addr_t), "auditon(A_GETPINFO_ADDR,...)",
"auditpinfo_addr_t");
scred = kauth_cred_proc_ref(tp);
udata.au_aupinfo_addr.ap_auid =
scred->cr_audit.as_aia_p->ai_auid;
udata.au_aupinfo_addr.ap_asid =
scred->cr_audit.as_aia_p->ai_asid;
udata.au_aupinfo_addr.ap_mask.am_success =
scred->cr_audit.as_mask.am_success;
udata.au_aupinfo_addr.ap_mask.am_failure =
scred->cr_audit.as_mask.am_failure;
bcopy(&scred->cr_audit.as_aia_p->ai_termid,
&udata.au_aupinfo_addr.ap_termid,
sizeof(au_tid_addr_t));
udata.au_aupinfo_addr.ap_flags =
scred->cr_audit.as_aia_p->ai_flags;
kauth_cred_unref(&scred);
proc_rele(tp);
tp = PROC_NULL;
break;
case A_GETKAUDIT:
if (sizeof(udata.au_kau_info) != uap->length)
return (EINVAL);
audit_get_kinfo(&udata.au_kau_info);
break;
case A_SETKAUDIT:
if ((sizeof(udata.au_kau_info) != uap->length) ||
(udata.au_kau_info.ai_termid.at_type != AU_IPv4 &&
udata.au_kau_info.ai_termid.at_type != AU_IPv6))
return (EINVAL);
audit_set_kinfo(&udata.au_kau_info);
break;
case A_SENDTRIGGER:
if ((sizeof(udata.au_trigger) != uap->length) ||
(udata.au_trigger < AUDIT_TRIGGER_MIN) ||
(udata.au_trigger > AUDIT_TRIGGER_MAX))
return (EINVAL);
return (audit_send_trigger(udata.au_trigger));
case A_GETSINFO_ADDR:
/* Handled above before switch(). */
break;
case A_GETSFLAGS:
if (sizeof(udata.au_flags) != uap->length)
return (EINVAL);
bcopy(&(kauth_cred_get()->cr_audit.as_aia_p->ai_flags),
&udata.au_flags, sizeof(udata.au_flags));
break;
case A_SETSFLAGS:
if (sizeof(udata.au_flags) != uap->length)
return (EINVAL);
bcopy(kauth_cred_get()->cr_audit.as_aia_p, &aia, sizeof(aia));
aia.ai_flags = udata.au_flags;
error = audit_session_setaia(p, &aia);
if (error)
return (error);
break;
default:
return (EINVAL);
}
/*
* Copy data back to userspace for the GET comands.
*/
switch (uap->cmd) {
case A_GETPOLICY:
case A_OLDGETPOLICY:
case A_GETKMASK:
case A_GETQCTRL:
case A_OLDGETQCTRL:
case A_GETCWD:
case A_GETCAR:
case A_GETSTAT:
case A_GETCOND:
case A_OLDGETCOND:
case A_GETCLASS:
case A_GETPINFO:
case A_GETFSIZE:
case A_GETPINFO_ADDR:
case A_GETKAUDIT:
case A_GETSINFO_ADDR:
case A_GETSFLAGS:
error = copyout((void *)&udata, uap->data, uap->length);
if (error)
return (ENOSYS);
break;
}
return (0);
}