int
spa_history_log_nvl(spa_t *spa, nvlist_t *nvl)
{
int err = 0;
dmu_tx_t *tx;
nvlist_t *nvarg;
if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY || !spa_writeable(spa))
return (SET_ERROR(EINVAL));
tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
err = dmu_tx_assign(tx, TXG_WAIT);
if (err) {
dmu_tx_abort(tx);
return (err);
}
VERIFY0(nvlist_dup(nvl, &nvarg, KM_SLEEP));
if (spa_history_zone() != NULL) {
fnvlist_add_string(nvarg, ZPOOL_HIST_ZONE,
spa_history_zone());
}
fnvlist_add_uint64(nvarg, ZPOOL_HIST_WHO, crgetruid(CRED()));
/* Kick this off asynchronously; errors are ignored. */
dsl_sync_task_nowait(spa_get_dsl(spa), spa_history_log_sync,
nvarg, 0, ZFS_SPACE_CHECK_NONE, tx);
dmu_tx_commit(tx);
/* spa_history_log_sync will free nvl */
return (err);
}
static int
splat_cred_test1(struct file *file, void *arg)
{
char str[GROUP_STR_SIZE];
uid_t uid, ruid, suid;
gid_t gid, rgid, sgid, *groups;
int ngroups, i, count = 0;
uid = crgetuid(CRED());
ruid = crgetruid(CRED());
suid = crgetsuid(CRED());
gid = crgetgid(CRED());
rgid = crgetrgid(CRED());
sgid = crgetsgid(CRED());
crhold(CRED());
ngroups = crgetngroups(CRED());
groups = crgetgroups(CRED());
memset(str, 0, GROUP_STR_SIZE);
for (i = 0; i < ngroups; i++) {
count += sprintf(str + count, "%d ", groups[i]);
if (count > (GROUP_STR_SIZE - GROUP_STR_REDZONE)) {
splat_vprint(file, SPLAT_CRED_TEST1_NAME,
"Failed too many group entries for temp "
"buffer: %d, %s\n", ngroups, str);
return -ENOSPC;
}
}
crfree(CRED());
splat_vprint(file, SPLAT_CRED_TEST1_NAME,
"uid: %d ruid: %d suid: %d "
"gid: %d rgid: %d sgid: %d\n",
uid, ruid, suid, gid, rgid, sgid);
splat_vprint(file, SPLAT_CRED_TEST1_NAME,
"ngroups: %d groups: %s\n", ngroups, str);
if (uid || ruid || suid || gid || rgid || sgid) {
splat_vprint(file, SPLAT_CRED_TEST1_NAME,
"Failed expected all uids+gids to be %d\n", 0);
return -EIDRM;
}
if (ngroups > NGROUPS_MAX) {
splat_vprint(file, SPLAT_CRED_TEST1_NAME,
"Failed ngroups must not exceed NGROUPS_MAX: "
"%d > %d\n", ngroups, NGROUPS_MAX);
return -EIDRM;
}
splat_vprint(file, SPLAT_CRED_TEST1_NAME,
"Success sane CRED(): %d\n", 0);
return 0;
} /* splat_cred_test1() */
/*
*
* Cachefs used to know too much about how creds looked; since it's
* committed to persistent storage, we can't change the layout so
* it now has a "dl_cred_t" which (unsurprisingly) looks exactly like
* an old credential.
*
* The dst argument needs to point to:
* struct dl_cred_t;
* <buffer space> buffer for groups
*
* The source is a proper kernel cred_t.
*
*/
static size_t
copy_cred(cred_t *src, dl_cred_t *dst)
{
int n;
const gid_t *sgrp = crgetgroups(src);
n = MIN(NGROUPS_MAX_DEFAULT, crgetngroups(src));
/* copy the fixed fields */
dst->cr_uid = crgetuid(src);
dst->cr_ruid = crgetruid(src);
dst->cr_suid = crgetsuid(src);
dst->cr_gid = crgetgid(src);
dst->cr_rgid = crgetrgid(src);
dst->cr_sgid = crgetsgid(src);
dst->cr_groups[0] = sgrp[0];
dst->cr_ngroups = n;
bcopy(sgrp, (void *)(dst + 1), (n - 1) * sizeof (gid_t));
return (sizeof (dl_cred_t) + (n - 1) * sizeof (gid_t));
}
/*
* Remove a temporary symlink entry from /afs.
*/
int
afs_DynrootVOPRemove(struct vcache *avc, afs_ucred_t *acred, char *aname)
{
struct afs_dynSymlink **tpps;
struct afs_dynSymlink *tps;
int found = 0;
#if defined(AFS_SUN510_ENV)
if (crgetruid(acred))
#else
if (afs_cr_uid(acred))
#endif
return EPERM;
ObtainWriteLock(&afs_dynSymlinkLock, 97);
tpps = &afs_dynSymlinkBase;
while (*tpps) {
tps = *tpps;
if (afs_strcasecmp(aname, tps->name) == 0) {
afs_osi_Free(tps->name, strlen(tps->name) + 1);
afs_osi_Free(tps->target, strlen(tps->target) + 1);
*tpps = tps->next;
afs_osi_Free(tps, sizeof(*tps));
afs_dynSymlinkIndex++;
found = 1;
break;
}
tpps = &(tps->next);
}
ReleaseWriteLock(&afs_dynSymlinkLock);
if (found) {
afs_DynrootInvalidate();
return 0;
}
if (afs_CellOrAliasExists(aname))
return EROFS;
else
return ENOENT;
}
/*
* Q_GETQUOTA - return current values in a dqblk structure.
*/
static int
getquota(uid_t uid, struct ufsvfs *ufsvfsp, caddr_t addr, cred_t *cr)
{
struct dquot *dqp;
struct dquot *xdqp;
struct dqblk dqb;
int error = 0;
if (uid != crgetruid(cr) &&
secpolicy_fs_quota(cr, ufsvfsp->vfs_vfs) != 0)
return (EPERM);
rw_enter(&ufsvfsp->vfs_dqrwlock, RW_READER);
if ((ufsvfsp->vfs_qflags & MQ_ENABLED) == 0) {
rw_exit(&ufsvfsp->vfs_dqrwlock);
return (ESRCH);
}
error = getdiskquota(uid, ufsvfsp, 0, &xdqp);
if (error) {
rw_exit(&ufsvfsp->vfs_dqrwlock);
return (error);
}
dqp = xdqp;
mutex_enter(&dqp->dq_lock);
if (dqp->dq_fhardlimit == 0 && dqp->dq_fsoftlimit == 0 &&
dqp->dq_bhardlimit == 0 && dqp->dq_bsoftlimit == 0) {
error = ESRCH;
} else {
bcopy(&dqp->dq_dqb, &dqb, sizeof (struct dqblk));
}
dqput(dqp);
mutex_exit(&dqp->dq_lock);
rw_exit(&ufsvfsp->vfs_dqrwlock);
if (error == 0 && copyout(&dqb, addr, sizeof (struct dqblk)) != 0)
error = EFAULT;
return (error);
}
/*
* Allocate a new lxproc node
*
* This also allocates the vnode associated with it
*/
lxpr_node_t *
lxpr_getnode(vnode_t *dp, lxpr_nodetype_t type, proc_t *p, int fd)
{
lxpr_node_t *lxpnp;
vnode_t *vp;
user_t *up;
timestruc_t now;
/*
* Allocate a new node. It is deallocated in vop_innactive
*/
lxpnp = kmem_cache_alloc(lxpr_node_cache, KM_SLEEP);
/*
* Set defaults (may be overridden below)
*/
gethrestime(&now);
lxpnp->lxpr_type = type;
lxpnp->lxpr_realvp = NULL;
lxpnp->lxpr_parent = dp;
VN_HOLD(dp);
if (p != NULL) {
lxpnp->lxpr_pid = ((p->p_pid ==
curproc->p_zone->zone_proc_initpid) ? 1 : p->p_pid);
lxpnp->lxpr_time = PTOU(p)->u_start;
lxpnp->lxpr_uid = crgetruid(p->p_cred);
lxpnp->lxpr_gid = crgetrgid(p->p_cred);
lxpnp->lxpr_ino = lxpr_inode(type, p->p_pid, fd);
} else {
/* Pretend files without a proc belong to sched */
lxpnp->lxpr_pid = 0;
lxpnp->lxpr_time = now;
lxpnp->lxpr_uid = lxpnp->lxpr_gid = 0;
lxpnp->lxpr_ino = lxpr_inode(type, 0, 0);
}
/* initialize the vnode data */
vp = lxpnp->lxpr_vnode;
vn_reinit(vp);
vp->v_flag = VNOCACHE|VNOMAP|VNOSWAP|VNOMOUNT;
vp->v_vfsp = dp->v_vfsp;
/*
* Do node specific stuff
*/
switch (type) {
case LXPR_PROCDIR:
vp->v_flag |= VROOT;
vp->v_type = VDIR;
lxpnp->lxpr_mode = 0555; /* read-search by everyone */
break;
case LXPR_PID_CURDIR:
ASSERT(p != NULL);
/*
* Zombie check. p_stat is officially protected by pidlock,
* but we can't grab pidlock here because we already hold
* p_lock. Luckily if we look at the process exit code
* we see that p_stat only transisions from SRUN to SZOMB
* while p_lock is held. Aside from this, the only other
* p_stat transition that we need to be aware about is
* SIDL to SRUN, but that's not a problem since lxpr_lock()
* ignores nodes in the SIDL state so we'll never get a node
* that isn't already in the SRUN state.
*/
if (p->p_stat == SZOMB) {
lxpnp->lxpr_realvp = NULL;
} else {
up = PTOU(p);
lxpnp->lxpr_realvp = up->u_cdir;
ASSERT(lxpnp->lxpr_realvp != NULL);
VN_HOLD(lxpnp->lxpr_realvp);
}
vp->v_type = VLNK;
lxpnp->lxpr_mode = 0777; /* anyone does anything ! */
break;
case LXPR_PID_ROOTDIR:
ASSERT(p != NULL);
/* Zombie check. see locking comment above */
if (p->p_stat == SZOMB) {
lxpnp->lxpr_realvp = NULL;
} else {
up = PTOU(p);
lxpnp->lxpr_realvp =
up->u_rdir != NULL ? up->u_rdir : rootdir;
ASSERT(lxpnp->lxpr_realvp != NULL);
VN_HOLD(lxpnp->lxpr_realvp);
}
vp->v_type = VLNK;
lxpnp->lxpr_mode = 0777; /* anyone does anything ! */
break;
case LXPR_PID_EXE:
ASSERT(p != NULL);
lxpnp->lxpr_realvp = p->p_exec;
if (lxpnp->lxpr_realvp != NULL) {
VN_HOLD(lxpnp->lxpr_realvp);
}
vp->v_type = VLNK;
lxpnp->lxpr_mode = 0777;
break;
case LXPR_SELF:
vp->v_type = VLNK;
lxpnp->lxpr_mode = 0777; /* anyone does anything ! */
break;
case LXPR_PID_FD_FD:
ASSERT(p != NULL);
/* lxpr_realvp is set after we return */
vp->v_type = VLNK;
lxpnp->lxpr_mode = 0700; /* read-write-exe owner only */
break;
case LXPR_PID_FDDIR:
ASSERT(p != NULL);
vp->v_type = VDIR;
lxpnp->lxpr_mode = 0500; /* read-search by owner only */
break;
case LXPR_PIDDIR:
ASSERT(p != NULL);
vp->v_type = VDIR;
lxpnp->lxpr_mode = 0511;
break;
case LXPR_SYSDIR:
case LXPR_SYS_FSDIR:
case LXPR_SYS_FS_INOTIFYDIR:
case LXPR_SYS_KERNELDIR:
case LXPR_NETDIR:
vp->v_type = VDIR;
lxpnp->lxpr_mode = 0555; /* read-search by all */
break;
case LXPR_PID_ENV:
case LXPR_PID_MEM:
ASSERT(p != NULL);
/*FALLTHRU*/
case LXPR_KCORE:
vp->v_type = VREG;
lxpnp->lxpr_mode = 0400; /* read-only by owner only */
break;
default:
vp->v_type = VREG;
lxpnp->lxpr_mode = 0444; /* read-only by all */
break;
}
return (lxpnp);
}
/**
* open() worker.
*/
static int VBoxDrvSolarisOpen(dev_t *pDev, int fFlag, int fType, cred_t *pCred)
{
const bool fUnrestricted = getminor(*pDev) == 0;
PSUPDRVSESSION pSession;
int rc;
LogFlowFunc(("VBoxDrvSolarisOpen: pDev=%p:%#x\n", pDev, *pDev));
/*
* Validate input
*/
if ( (getminor(*pDev) != 0 && getminor(*pDev) != 1)
|| fType != OTYP_CHR)
return EINVAL; /* See mmopen for precedent. */
#ifndef USE_SESSION_HASH
/*
* Locate a new device open instance.
*
* For each open call we'll allocate an item in the soft state of the device.
* The item index is stored in the dev_t. I hope this is ok...
*/
vbox_devstate_t *pState = NULL;
unsigned iOpenInstance;
for (iOpenInstance = 0; iOpenInstance < 4096; iOpenInstance++)
{
if ( !ddi_get_soft_state(g_pVBoxDrvSolarisState, iOpenInstance) /* faster */
&& ddi_soft_state_zalloc(g_pVBoxDrvSolarisState, iOpenInstance) == DDI_SUCCESS)
{
pState = ddi_get_soft_state(g_pVBoxDrvSolarisState, iOpenInstance);
break;
}
}
if (!pState)
{
LogRel(("VBoxDrvSolarisOpen: too many open instances.\n"));
return ENXIO;
}
/*
* Create a new session.
*/
rc = supdrvCreateSession(&g_DevExt, true /* fUser */, fUnrestricted, &pSession);
if (RT_SUCCESS(rc))
{
pSession->Uid = crgetruid(pCred);
pSession->Gid = crgetrgid(pCred);
pState->pSession = pSession;
*pDev = makedevice(getmajor(*pDev), iOpenInstance);
LogFlow(("VBoxDrvSolarisOpen: Dev=%#x pSession=%p pid=%d r0proc=%p thread=%p\n",
*pDev, pSession, RTProcSelf(), RTR0ProcHandleSelf(), RTThreadNativeSelf() ));
return 0;
}
/* failed - clean up */
ddi_soft_state_free(g_pVBoxDrvSolarisState, iOpenInstance);
#else
/*
* Create a new session.
* Sessions in Solaris driver are mostly useless. It's however needed
* in VBoxDrvSolarisIOCtlSlow() while calling supdrvIOCtl()
*/
rc = supdrvCreateSession(&g_DevExt, true /* fUser */, fUnrestricted, &pSession);
if (RT_SUCCESS(rc))
{
unsigned iHash;
pSession->Uid = crgetruid(pCred);
pSession->Gid = crgetrgid(pCred);
/*
* Insert it into the hash table.
*/
# error "Only one entry per process!"
iHash = SESSION_HASH(pSession->Process);
RTSpinlockAcquire(g_Spinlock);
pSession->pNextHash = g_apSessionHashTab[iHash];
g_apSessionHashTab[iHash] = pSession;
RTSpinlockRelease(g_Spinlock);
LogFlow(("VBoxDrvSolarisOpen success\n"));
}
int instance;
for (instance = 0; instance < DEVICE_MAXINSTANCES; instance++)
{
vbox_devstate_t *pState = ddi_get_soft_state(g_pVBoxDrvSolarisState, instance);
if (pState)
break;
}
if (instance >= DEVICE_MAXINSTANCES)
{
LogRel(("VBoxDrvSolarisOpen: All instances exhausted\n"));
return ENXIO;
}
*pDev = makedevice(getmajor(*pDev), instance);
#endif
return VBoxSupDrvErr2SolarisErr(rc);
}
void
exacct_calculate_proc_usage(proc_t *p, proc_usage_t *pu, ulong_t *mask,
int flag, int wstat)
{
timestruc_t ts, ts_run;
ASSERT(MUTEX_HELD(&p->p_lock));
/*
* Convert CPU and execution times to sec/nsec format.
*/
if (BT_TEST(mask, AC_PROC_CPU)) {
hrt2ts(mstate_aggr_state(p, LMS_USER), &ts);
pu->pu_utimesec = (uint64_t)(ulong_t)ts.tv_sec;
pu->pu_utimensec = (uint64_t)(ulong_t)ts.tv_nsec;
hrt2ts(mstate_aggr_state(p, LMS_SYSTEM), &ts);
pu->pu_stimesec = (uint64_t)(ulong_t)ts.tv_sec;
pu->pu_stimensec = (uint64_t)(ulong_t)ts.tv_nsec;
}
if (BT_TEST(mask, AC_PROC_TIME)) {
gethrestime(&ts);
pu->pu_finishsec = (uint64_t)(ulong_t)ts.tv_sec;
pu->pu_finishnsec = (uint64_t)(ulong_t)ts.tv_nsec;
hrt2ts(gethrtime() - p->p_mstart, &ts_run);
ts.tv_sec -= ts_run.tv_sec;
ts.tv_nsec -= ts_run.tv_nsec;
if (ts.tv_nsec < 0) {
ts.tv_sec--;
if ((ts.tv_nsec = ts.tv_nsec + NANOSEC) >= NANOSEC) {
ts.tv_sec++;
ts.tv_nsec -= NANOSEC;
}
}
pu->pu_startsec = (uint64_t)(ulong_t)ts.tv_sec;
pu->pu_startnsec = (uint64_t)(ulong_t)ts.tv_nsec;
}
pu->pu_pid = p->p_pidp->pid_id;
pu->pu_acflag = p->p_user.u_acflag;
pu->pu_projid = p->p_task->tk_proj->kpj_id;
pu->pu_taskid = p->p_task->tk_tkid;
pu->pu_major = getmajor(p->p_sessp->s_dev);
pu->pu_minor = getminor(p->p_sessp->s_dev);
pu->pu_ancpid = p->p_ancpid;
pu->pu_wstat = wstat;
/*
* Compute average RSS in K. The denominator is the number of
* samples: the number of clock ticks plus the initial value.
*/
pu->pu_mem_rss_avg = (PTOU(p)->u_mem / (p->p_stime + p->p_utime + 1)) *
(PAGESIZE / 1024);
pu->pu_mem_rss_max = PTOU(p)->u_mem_max * (PAGESIZE / 1024);
mutex_enter(&p->p_crlock);
pu->pu_ruid = crgetruid(p->p_cred);
pu->pu_rgid = crgetrgid(p->p_cred);
mutex_exit(&p->p_crlock);
bcopy(p->p_user.u_comm, pu->pu_command, strlen(p->p_user.u_comm) + 1);
bcopy(p->p_zone->zone_name, pu->pu_zonename,
strlen(p->p_zone->zone_name) + 1);
bcopy(p->p_zone->zone_nodename, pu->pu_nodename,
strlen(p->p_zone->zone_nodename) + 1);
/*
* Calculate microstate accounting data for a process that is still
* running. Presently, we explicitly collect all of the LWP usage into
* the proc usage structure here.
*/
if (flag & EW_PARTIAL)
exacct_calculate_proc_mstate(p, pu);
if (flag & EW_FINAL)
exacct_copy_proc_mstate(p, pu);
}
/**
* User context entry points
*
* @remarks fFlags are the flags passed to open() or to ldi_open_by_name. In
* the latter case the FKLYR flag is added to indicate that the caller
* is a kernel component rather than user land.
*/
static int vgdrvSolarisOpen(dev_t *pDev, int fFlags, int fType, cred_t *pCred)
{
int rc;
PVBOXGUESTSESSION pSession = NULL;
LogFlow(("vgdrvSolarisOpen:\n"));
/*
* Verify we are being opened as a character device.
*/
if (fType != OTYP_CHR)
return EINVAL;
vboxguest_state_t *pState = NULL;
unsigned iOpenInstance;
for (iOpenInstance = 0; iOpenInstance < 4096; iOpenInstance++)
{
if ( !ddi_get_soft_state(g_pvgdrvSolarisState, iOpenInstance) /* faster */
&& ddi_soft_state_zalloc(g_pvgdrvSolarisState, iOpenInstance) == DDI_SUCCESS)
{
pState = ddi_get_soft_state(g_pvgdrvSolarisState, iOpenInstance);
break;
}
}
if (!pState)
{
Log(("vgdrvSolarisOpen: too many open instances."));
return ENXIO;
}
/*
* Create a new session.
*
* Note! The devfs inode with the gid isn't readily available here, so we cannot easily
* to the vbox group detection like on linux. Read config instead?
*/
if (!(fFlags & FKLYR))
{
uint32_t fRequestor = VMMDEV_REQUESTOR_USERMODE | VMMDEV_REQUESTOR_TRUST_NOT_GIVEN;
if (crgetruid(pCred) == 0)
fRequestor |= VMMDEV_REQUESTOR_USR_ROOT;
else
fRequestor |= VMMDEV_REQUESTOR_USR_USER;
if (secpolicy_coreadm(pCred) == 0)
fRequestor |= VMMDEV_REQUESTOR_GRP_WHEEL;
/** @todo is there any way of detecting that the process belongs to someone on the physical console?
* secpolicy_console() [== PRIV_SYS_DEVICES] doesn't look quite right, or does it? */
fRequestor |= VMMDEV_REQUESTOR_CON_DONT_KNOW;
fRequestor |= VMMDEV_REQUESTOR_NO_USER_DEVICE; /** @todo implement vboxuser device node. */
rc = VGDrvCommonCreateUserSession(&g_DevExt, fRequestor, &pSession);
}
else
rc = VGDrvCommonCreateKernelSession(&g_DevExt, &pSession);
if (RT_SUCCESS(rc))
{
if (!(fFlags & FKLYR))
pState->pvProcRef = proc_ref();
else
pState->pvProcRef = NULL;
pState->pSession = pSession;
*pDev = makedevice(getmajor(*pDev), iOpenInstance);
Log(("vgdrvSolarisOpen: pSession=%p pState=%p pid=%d\n", pSession, pState, (int)RTProcSelf()));
return 0;
}
/* Failed, clean up. */
ddi_soft_state_free(g_pvgdrvSolarisState, iOpenInstance);
LogRel((DEVICE_NAME "::Open: VGDrvCommonCreateUserSession failed. rc=%d\n", rc));
return EFAULT;
}
/*
* Remove zombie children from the process table.
*/
void
freeproc(proc_t *p)
{
proc_t *q;
task_t *tk;
ASSERT(p->p_stat == SZOMB);
ASSERT(p->p_tlist == NULL);
ASSERT(MUTEX_HELD(&pidlock));
sigdelq(p, NULL, 0);
if (p->p_killsqp) {
siginfofree(p->p_killsqp);
p->p_killsqp = NULL;
}
prfree(p); /* inform /proc */
/*
* Don't free the init processes.
* Other dying processes will access it.
*/
if (p == proc_init)
return;
/*
* We wait until now to free the cred structure because a
* zombie process's credentials may be examined by /proc.
* No cred locking needed because there are no threads at this point.
*/
upcount_dec(crgetruid(p->p_cred), crgetzoneid(p->p_cred));
crfree(p->p_cred);
if (p->p_corefile != NULL) {
corectl_path_rele(p->p_corefile);
p->p_corefile = NULL;
}
if (p->p_content != NULL) {
corectl_content_rele(p->p_content);
p->p_content = NULL;
}
if (p->p_nextofkin && !((p->p_nextofkin->p_flag & SNOWAIT) ||
(PTOU(p->p_nextofkin)->u_signal[SIGCLD - 1] == SIG_IGN))) {
/*
* This should still do the right thing since p_utime/stime
* get set to the correct value on process exit, so it
* should get properly updated
*/
p->p_nextofkin->p_cutime += p->p_utime;
p->p_nextofkin->p_cstime += p->p_stime;
p->p_nextofkin->p_cacct[LMS_USER] += p->p_acct[LMS_USER];
p->p_nextofkin->p_cacct[LMS_SYSTEM] += p->p_acct[LMS_SYSTEM];
p->p_nextofkin->p_cacct[LMS_TRAP] += p->p_acct[LMS_TRAP];
p->p_nextofkin->p_cacct[LMS_TFAULT] += p->p_acct[LMS_TFAULT];
p->p_nextofkin->p_cacct[LMS_DFAULT] += p->p_acct[LMS_DFAULT];
p->p_nextofkin->p_cacct[LMS_KFAULT] += p->p_acct[LMS_KFAULT];
p->p_nextofkin->p_cacct[LMS_USER_LOCK]
+= p->p_acct[LMS_USER_LOCK];
p->p_nextofkin->p_cacct[LMS_SLEEP] += p->p_acct[LMS_SLEEP];
p->p_nextofkin->p_cacct[LMS_WAIT_CPU]
+= p->p_acct[LMS_WAIT_CPU];
p->p_nextofkin->p_cacct[LMS_STOPPED] += p->p_acct[LMS_STOPPED];
p->p_nextofkin->p_cru.minflt += p->p_ru.minflt;
p->p_nextofkin->p_cru.majflt += p->p_ru.majflt;
p->p_nextofkin->p_cru.nswap += p->p_ru.nswap;
p->p_nextofkin->p_cru.inblock += p->p_ru.inblock;
p->p_nextofkin->p_cru.oublock += p->p_ru.oublock;
p->p_nextofkin->p_cru.msgsnd += p->p_ru.msgsnd;
p->p_nextofkin->p_cru.msgrcv += p->p_ru.msgrcv;
p->p_nextofkin->p_cru.nsignals += p->p_ru.nsignals;
p->p_nextofkin->p_cru.nvcsw += p->p_ru.nvcsw;
p->p_nextofkin->p_cru.nivcsw += p->p_ru.nivcsw;
p->p_nextofkin->p_cru.sysc += p->p_ru.sysc;
p->p_nextofkin->p_cru.ioch += p->p_ru.ioch;
}
q = p->p_nextofkin;
if (q && q->p_orphan == p)
q->p_orphan = p->p_nextorph;
else if (q) {
for (q = q->p_orphan; q; q = q->p_nextorph)
if (q->p_nextorph == p)
break;
ASSERT(q && q->p_nextorph == p);
q->p_nextorph = p->p_nextorph;
}
/*
* The process table slot is being freed, so it is now safe to give up
* task and project membership.
*/
mutex_enter(&p->p_lock);
tk = p->p_task;
task_detach(p);
mutex_exit(&p->p_lock);
proc_detach(p);
pid_exit(p, tk); /* frees pid and proc structure */
task_rele(tk);
}
/*ARGSUSED*/
int
quotactl(struct vnode *vp, intptr_t arg, int flag, struct cred *cr)
{
struct quotctl quot;
struct ufsvfs *ufsvfsp;
int error = 0;
if ((flag & DATAMODEL_MASK) == DATAMODEL_NATIVE) {
if (copyin((caddr_t)arg, ", sizeof (struct quotctl)))
return (EFAULT);
}
#ifdef _SYSCALL32_IMPL
else {
/* quotctl struct from ILP32 callers */
struct quotctl32 quot32;
if (copyin((caddr_t)arg, "32, sizeof (struct quotctl32)))
return (EFAULT);
quot.op = quot32.op;
quot.uid = quot32.uid;
quot.addr = (caddr_t)(uintptr_t)quot32.addr;
}
#endif /* _SYSCALL32_IMPL */
if (quot.uid < 0)
quot.uid = crgetruid(cr);
if (quot.op == Q_SYNC && vp == NULL) {
ufsvfsp = NULL;
} else if (quot.op != Q_ALLSYNC) {
ufsvfsp = (struct ufsvfs *)(vp->v_vfsp->vfs_data);
}
switch (quot.op) {
case Q_QUOTAON:
rw_enter(&dq_rwlock, RW_WRITER);
if (quotas_initialized == 0) {
qtinit2();
quotas_initialized = 1;
}
rw_exit(&dq_rwlock);
error = opendq(ufsvfsp, vp, cr);
break;
case Q_QUOTAOFF:
error = closedq(ufsvfsp, cr);
if (!error) {
invalidatedq(ufsvfsp);
}
break;
case Q_SETQUOTA:
case Q_SETQLIM:
error = setquota(quot.op, (uid_t)quot.uid, ufsvfsp,
quot.addr, cr);
break;
case Q_GETQUOTA:
error = getquota((uid_t)quot.uid, ufsvfsp, (caddr_t)quot.addr,
cr);
break;
case Q_SYNC:
error = qsync(ufsvfsp);
break;
case Q_ALLSYNC:
(void) qsync(NULL);
break;
default:
error = EINVAL;
break;
}
return (error);
}
int
signotify(int cmd, siginfo_t *siginfo, signotify_id_t *sn_id)
{
k_siginfo_t info;
signotify_id_t id;
proc_t *p;
proc_t *cp = curproc;
signotifyq_t *snqp;
struct cred *cr;
sigqueue_t *sqp;
sigqhdr_t *sqh;
u_longlong_t sid;
model_t datamodel = get_udatamodel();
if (copyin(sn_id, &id, sizeof (signotify_id_t)))
return (set_errno(EFAULT));
if (id.sn_index >= _SIGNOTIFY_MAX || id.sn_index < 0)
return (set_errno(EINVAL));
switch (cmd) {
case SN_PROC:
/* get snid for the given user address of signotifyid_t */
sid = get_sigid(cp, (caddr_t)sn_id);
if (id.sn_pid > 0) {
mutex_enter(&pidlock);
if ((p = prfind(id.sn_pid)) != NULL) {
mutex_enter(&p->p_lock);
if (p->p_signhdr != NULL) {
snqp = SIGN_PTR(p, id.sn_index);
if (snqp->sn_snid == sid) {
mutex_exit(&p->p_lock);
mutex_exit(&pidlock);
return (set_errno(EBUSY));
}
}
mutex_exit(&p->p_lock);
}
mutex_exit(&pidlock);
}
if (copyin_siginfo(datamodel, siginfo, &info))
return (set_errno(EFAULT));
/* The si_code value must indicate the signal will be queued */
if (!sigwillqueue(info.si_signo, info.si_code))
return (set_errno(EINVAL));
if (cp->p_signhdr == NULL) {
/* Allocate signotify pool first time */
sqh = sigqhdralloc(sizeof (signotifyq_t),
_SIGNOTIFY_MAX);
mutex_enter(&cp->p_lock);
if (cp->p_signhdr == NULL) {
/* hang the pool head on proc */
cp->p_signhdr = sqh;
} else {
/* another lwp allocated the pool, free ours */
sigqhdrfree(sqh);
}
} else {
mutex_enter(&cp->p_lock);
}
sqp = sigqalloc(cp->p_signhdr);
if (sqp == NULL) {
mutex_exit(&cp->p_lock);
return (set_errno(EAGAIN));
}
cr = CRED();
sqp->sq_info = info;
sqp->sq_info.si_pid = cp->p_pid;
sqp->sq_info.si_ctid = PRCTID(cp);
sqp->sq_info.si_zoneid = getzoneid();
sqp->sq_info.si_uid = crgetruid(cr);
/* fill the signotifyq_t fields */
((signotifyq_t *)sqp)->sn_snid = sid;
mutex_exit(&cp->p_lock);
/* complete the signotify_id_t fields */
id.sn_index = (signotifyq_t *)sqp - SIGN_PTR(cp, 0);
id.sn_pid = cp->p_pid;
break;
case SN_CANCEL:
case SN_SEND:
sid = get_sigid(cp, (caddr_t)sn_id);
mutex_enter(&pidlock);
if ((id.sn_pid <= 0) || ((p = prfind(id.sn_pid)) == NULL)) {
mutex_exit(&pidlock);
return (set_errno(EINVAL));
}
mutex_enter(&p->p_lock);
mutex_exit(&pidlock);
if (p->p_signhdr == NULL) {
mutex_exit(&p->p_lock);
return (set_errno(EINVAL));
}
snqp = SIGN_PTR(p, id.sn_index);
if (snqp->sn_snid == 0) {
mutex_exit(&p->p_lock);
return (set_errno(EINVAL));
}
if (snqp->sn_snid != sid) {
mutex_exit(&p->p_lock);
return (set_errno(EINVAL));
}
snqp->sn_snid = 0;
/* cmd == SN_CANCEL or signo == 0 (SIGEV_NONE) */
if (((sigqueue_t *)snqp)->sq_info.si_signo <= 0)
cmd = SN_CANCEL;
sigqsend(cmd, p, 0, (sigqueue_t *)snqp);
mutex_exit(&p->p_lock);
id.sn_pid = 0;
id.sn_index = 0;
break;
default :
return (set_errno(EINVAL));
}
if (copyout(&id, sn_id, sizeof (signotify_id_t)))
return (set_errno(EFAULT));
return (0);
}
