/*
* Compute the same user access value as getattrlist(2)
*/
u_int32_t getuseraccess(znode_t *zp, vfs_context_t ctx)
{
vnode_t *vp;
u_int32_t user_access = 0;
zfs_acl_phys_t acl_phys;
int error;
/* Only take the expensive vnode_authorize path when we have an ACL */
error = sa_lookup(zp->z_sa_hdl, SA_ZPL_ZNODE_ACL(zp->z_zfsvfs),
&acl_phys, sizeof (acl_phys));
if (error || acl_phys.z_acl_count == 0) {
kauth_cred_t cred = vfs_context_ucred(ctx);
uint64_t obj_uid;
uint64_t obj_mode;
/* User id 0 (root) always gets access. */
if (!vfs_context_suser(ctx)) {
return (R_OK | W_OK | X_OK);
}
sa_lookup(zp->z_sa_hdl, SA_ZPL_UID(zp->z_zfsvfs),
&obj_uid, sizeof (obj_uid));
sa_lookup(zp->z_sa_hdl, SA_ZPL_MODE(zp->z_zfsvfs),
&obj_mode, sizeof (obj_mode));
//obj_uid = pzp->zp_uid;
obj_mode = obj_mode & MODEMASK;
if (obj_uid == UNKNOWNUID) {
obj_uid = kauth_cred_getuid(cred);
}
if ((obj_uid == kauth_cred_getuid(cred)) ||
(obj_uid == UNKNOWNUID)) {
return (((u_int32_t)obj_mode & S_IRWXU) >> 6);
}
/* Otherwise, settle for 'others' access. */
return ((u_int32_t)obj_mode & S_IRWXO);
}
void
zfs_sa_upgrade(sa_handle_t *hdl, dmu_tx_t *tx)
{
dmu_buf_t *db = sa_get_db(hdl);
znode_t *zp = sa_get_userdata(hdl);
zfsvfs_t *zfsvfs = zp->z_zfsvfs;
sa_bulk_attr_t bulk[20];
int count = 0;
sa_bulk_attr_t sa_attrs[20] = { { 0 } };
zfs_acl_locator_cb_t locate = { 0 };
uint64_t uid, gid, mode, rdev, xattr, parent;
uint64_t crtime[2], mtime[2], ctime[2];
zfs_acl_phys_t znode_acl;
char scanstamp[AV_SCANSTAMP_SZ];
boolean_t drop_lock = B_FALSE;
/*
* No upgrade if ACL isn't cached
* since we won't know which locks are held
* and ready the ACL would require special "locked"
* interfaces that would be messy
*/
if (zp->z_acl_cached == NULL || vnode_islnk(ZTOV(zp)))
return;
/*
* If the z_lock is held and we aren't the owner
* the just return since we don't want to deadlock
* trying to update the status of z_is_sa. This
* file can then be upgraded at a later time.
*
* Otherwise, we know we are doing the
* sa_update() that caused us to enter this function.
*/
if (mutex_owner(&zp->z_lock) != curthread) {
if (mutex_tryenter(&zp->z_lock) == 0)
return;
else
drop_lock = B_TRUE;
}
/* First do a bulk query of the attributes that aren't cached */
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zfsvfs), NULL, &mtime, 16);
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zfsvfs), NULL, &ctime, 16);
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CRTIME(zfsvfs), NULL, &crtime, 16);
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zfsvfs), NULL, &mode, 8);
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_PARENT(zfsvfs), NULL, &parent, 8);
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_XATTR(zfsvfs), NULL, &xattr, 8);
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_RDEV(zfsvfs), NULL, &rdev, 8);
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_UID(zfsvfs), NULL, &uid, 8);
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GID(zfsvfs), NULL, &gid, 8);
SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_ZNODE_ACL(zfsvfs), NULL,
&znode_acl, 88);
if (sa_bulk_lookup_locked(hdl, bulk, count) != 0)
goto done;
/*
* While the order here doesn't matter its best to try and organize
* it is such a way to pick up an already existing layout number
*/
count = 0;
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_MODE(zfsvfs), NULL, &mode, 8);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_SIZE(zfsvfs), NULL,
&zp->z_size, 8);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_GEN(zfsvfs),
NULL, &zp->z_gen, 8);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_UID(zfsvfs), NULL, &uid, 8);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_GID(zfsvfs), NULL, &gid, 8);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_PARENT(zfsvfs),
NULL, &parent, 8);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_FLAGS(zfsvfs), NULL,
&zp->z_pflags, 8);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_ATIME(zfsvfs), NULL,
zp->z_atime, 16);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_MTIME(zfsvfs), NULL,
&mtime, 16);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_CTIME(zfsvfs), NULL,
&ctime, 16);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_CRTIME(zfsvfs), NULL,
&crtime, 16);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_LINKS(zfsvfs), NULL,
&zp->z_links, 8);
if (vnode_isblk(zp->z_vnode) || vnode_islnk(zp->z_vnode))
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_RDEV(zfsvfs), NULL,
&rdev, 8);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_DACL_COUNT(zfsvfs), NULL,
&zp->z_acl_cached->z_acl_count, 8);
if (zp->z_acl_cached->z_version < ZFS_ACL_VERSION_FUID)
zfs_acl_xform(zp, zp->z_acl_cached, CRED());
locate.cb_aclp = zp->z_acl_cached;
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_DACL_ACES(zfsvfs),
zfs_acl_data_locator, &locate, zp->z_acl_cached->z_acl_bytes);
if (xattr)
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_XATTR(zfsvfs),
NULL, &xattr, 8);
/* if scanstamp then add scanstamp */
if (zp->z_pflags & ZFS_BONUS_SCANSTAMP) {
bcopy((caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE,
scanstamp, AV_SCANSTAMP_SZ);
SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_SCANSTAMP(zfsvfs),
NULL, scanstamp, AV_SCANSTAMP_SZ);
zp->z_pflags &= ~ZFS_BONUS_SCANSTAMP;
}
VERIFY(dmu_set_bonustype(db, DMU_OT_SA, tx) == 0);
VERIFY(sa_replace_all_by_template_locked(hdl, sa_attrs,
count, tx) == 0);
if (znode_acl.z_acl_extern_obj)
VERIFY(0 == dmu_object_free(zfsvfs->z_os,
znode_acl.z_acl_extern_obj, tx));
zp->z_is_sa = B_TRUE;
done:
if (drop_lock)
mutex_exit(&zp->z_lock);
}
/*
* Create a new DMU object to hold a zfs znode.
*
* IN: dzp - parent directory for new znode
* vap - file attributes for new znode
* tx - dmu transaction id for zap operations
* cr - credentials of caller
* flag - flags:
* IS_ROOT_NODE - new object will be root
* IS_XATTR - new object is an attribute
* bonuslen - length of bonus buffer
* setaclp - File/Dir initial ACL
* fuidp - Tracks fuid allocation.
*
* OUT: zpp - allocated znode
*
*/
void
zfs_mknode(znode_t *dzp, vattr_t *vap, dmu_tx_t *tx, cred_t *cr,
uint_t flag, znode_t **zpp, zfs_acl_ids_t *acl_ids)
{
uint64_t crtime[2], atime[2], mtime[2], ctime[2];
uint64_t mode, size, links, parent, pflags;
uint64_t dzp_pflags = 0;
uint64_t rdev = 0;
zfs_sb_t *zsb = ZTOZSB(dzp);
dmu_buf_t *db;
timestruc_t now;
uint64_t gen, obj;
int bonuslen;
sa_handle_t *sa_hdl;
dmu_object_type_t obj_type;
sa_bulk_attr_t *sa_attrs;
int cnt = 0;
zfs_acl_locator_cb_t locate = { 0 };
if (zsb->z_replay) {
obj = vap->va_nodeid;
now = vap->va_ctime; /* see zfs_replay_create() */
gen = vap->va_nblocks; /* ditto */
} else {
obj = 0;
gethrestime(&now);
gen = dmu_tx_get_txg(tx);
}
obj_type = zsb->z_use_sa ? DMU_OT_SA : DMU_OT_ZNODE;
bonuslen = (obj_type == DMU_OT_SA) ?
DN_MAX_BONUSLEN : ZFS_OLD_ZNODE_PHYS_SIZE;
/*
* Create a new DMU object.
*/
/*
* There's currently no mechanism for pre-reading the blocks that will
* be needed to allocate a new object, so we accept the small chance
* that there will be an i/o error and we will fail one of the
* assertions below.
*/
if (S_ISDIR(vap->va_mode)) {
if (zsb->z_replay) {
VERIFY0(zap_create_claim_norm(zsb->z_os, obj,
zsb->z_norm, DMU_OT_DIRECTORY_CONTENTS,
obj_type, bonuslen, tx));
} else {
obj = zap_create_norm(zsb->z_os,
zsb->z_norm, DMU_OT_DIRECTORY_CONTENTS,
obj_type, bonuslen, tx);
}
} else {
if (zsb->z_replay) {
VERIFY0(dmu_object_claim(zsb->z_os, obj,
DMU_OT_PLAIN_FILE_CONTENTS, 0,
obj_type, bonuslen, tx));
} else {
obj = dmu_object_alloc(zsb->z_os,
DMU_OT_PLAIN_FILE_CONTENTS, 0,
obj_type, bonuslen, tx);
}
}
ZFS_OBJ_HOLD_ENTER(zsb, obj);
VERIFY(0 == sa_buf_hold(zsb->z_os, obj, NULL, &db));
/*
* If this is the root, fix up the half-initialized parent pointer
* to reference the just-allocated physical data area.
*/
if (flag & IS_ROOT_NODE) {
dzp->z_id = obj;
} else {
dzp_pflags = dzp->z_pflags;
}
/*
* If parent is an xattr, so am I.
*/
if (dzp_pflags & ZFS_XATTR) {
flag |= IS_XATTR;
}
if (zsb->z_use_fuids)
pflags = ZFS_ARCHIVE | ZFS_AV_MODIFIED;
else
pflags = 0;
if (S_ISDIR(vap->va_mode)) {
size = 2; /* contents ("." and "..") */
links = (flag & (IS_ROOT_NODE | IS_XATTR)) ? 2 : 1;
} else {
size = links = 0;
}
if (S_ISBLK(vap->va_mode) || S_ISCHR(vap->va_mode))
rdev = vap->va_rdev;
parent = dzp->z_id;
mode = acl_ids->z_mode;
if (flag & IS_XATTR)
pflags |= ZFS_XATTR;
/*
* No execs denied will be deterimed when zfs_mode_compute() is called.
*/
pflags |= acl_ids->z_aclp->z_hints &
(ZFS_ACL_TRIVIAL|ZFS_INHERIT_ACE|ZFS_ACL_AUTO_INHERIT|
ZFS_ACL_DEFAULTED|ZFS_ACL_PROTECTED);
ZFS_TIME_ENCODE(&now, crtime);
ZFS_TIME_ENCODE(&now, ctime);
if (vap->va_mask & ATTR_ATIME) {
ZFS_TIME_ENCODE(&vap->va_atime, atime);
} else {
ZFS_TIME_ENCODE(&now, atime);
}
if (vap->va_mask & ATTR_MTIME) {
ZFS_TIME_ENCODE(&vap->va_mtime, mtime);
} else {
ZFS_TIME_ENCODE(&now, mtime);
}
/* Now add in all of the "SA" attributes */
VERIFY(0 == sa_handle_get_from_db(zsb->z_os, db, NULL, SA_HDL_SHARED,
&sa_hdl));
/*
* Setup the array of attributes to be replaced/set on the new file
*
* order for DMU_OT_ZNODE is critical since it needs to be constructed
* in the old znode_phys_t format. Don't change this ordering
*/
sa_attrs = kmem_alloc(sizeof (sa_bulk_attr_t) * ZPL_END, KM_SLEEP);
if (obj_type == DMU_OT_ZNODE) {
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_ATIME(zsb),
NULL, &atime, 16);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MTIME(zsb),
NULL, &mtime, 16);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CTIME(zsb),
NULL, &ctime, 16);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CRTIME(zsb),
NULL, &crtime, 16);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GEN(zsb),
NULL, &gen, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MODE(zsb),
NULL, &mode, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_SIZE(zsb),
NULL, &size, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_PARENT(zsb),
NULL, &parent, 8);
} else {
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MODE(zsb),
NULL, &mode, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_SIZE(zsb),
NULL, &size, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GEN(zsb),
NULL, &gen, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_UID(zsb),
NULL, &acl_ids->z_fuid, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GID(zsb),
NULL, &acl_ids->z_fgid, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_PARENT(zsb),
NULL, &parent, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_FLAGS(zsb),
NULL, &pflags, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_ATIME(zsb),
NULL, &atime, 16);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MTIME(zsb),
NULL, &mtime, 16);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CTIME(zsb),
NULL, &ctime, 16);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CRTIME(zsb),
NULL, &crtime, 16);
}
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_LINKS(zsb), NULL, &links, 8);
if (obj_type == DMU_OT_ZNODE) {
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_XATTR(zsb), NULL,
&empty_xattr, 8);
}
if (obj_type == DMU_OT_ZNODE ||
(S_ISBLK(vap->va_mode) || S_ISCHR(vap->va_mode))) {
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_RDEV(zsb),
NULL, &rdev, 8);
}
if (obj_type == DMU_OT_ZNODE) {
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_FLAGS(zsb),
NULL, &pflags, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_UID(zsb), NULL,
&acl_ids->z_fuid, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GID(zsb), NULL,
&acl_ids->z_fgid, 8);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_PAD(zsb), NULL, pad,
sizeof (uint64_t) * 4);
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_ZNODE_ACL(zsb), NULL,
&acl_phys, sizeof (zfs_acl_phys_t));
} else if (acl_ids->z_aclp->z_version >= ZFS_ACL_VERSION_FUID) {
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_DACL_COUNT(zsb), NULL,
&acl_ids->z_aclp->z_acl_count, 8);
locate.cb_aclp = acl_ids->z_aclp;
SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_DACL_ACES(zsb),
zfs_acl_data_locator, &locate,
acl_ids->z_aclp->z_acl_bytes);
mode = zfs_mode_compute(mode, acl_ids->z_aclp, &pflags,
acl_ids->z_fuid, acl_ids->z_fgid);
}
VERIFY(sa_replace_all_by_template(sa_hdl, sa_attrs, cnt, tx) == 0);
if (!(flag & IS_ROOT_NODE)) {
*zpp = zfs_znode_alloc(zsb, db, 0, obj_type, obj, sa_hdl,
ZTOI(dzp));
VERIFY(*zpp != NULL);
VERIFY(dzp != NULL);
} else {
/*
* If we are creating the root node, the "parent" we
* passed in is the znode for the root.
*/
*zpp = dzp;
(*zpp)->z_sa_hdl = sa_hdl;
}
(*zpp)->z_pflags = pflags;
(*zpp)->z_mode = mode;
if (obj_type == DMU_OT_ZNODE ||
acl_ids->z_aclp->z_version < ZFS_ACL_VERSION_FUID) {
VERIFY0(zfs_aclset_common(*zpp, acl_ids->z_aclp, cr, tx));
}
kmem_free(sa_attrs, sizeof (sa_bulk_attr_t) * ZPL_END);
ZFS_OBJ_HOLD_EXIT(zsb, obj);
}
/* For part 1 of zfs_getattr() */
int
zfs_getattr_znode_locked(vattr_t *vap, znode_t *zp, cred_t *cr)
{
zfsvfs_t *zfsvfs = zp->z_zfsvfs;
int error;
uint64_t times[2];
uint64_t val;
VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_MODE(zfsvfs),
&val, sizeof (val)) == 0);
vap->va_mode = val & MODEMASK;
VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_UID(zfsvfs),
&val, sizeof (val)) == 0);
vap->va_uid = val;
VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_GID(zfsvfs),
&val, sizeof (val)) == 0);
vap->va_gid = val;
//vap->va_fsid = zp->z_zfsvfs->z_vfs->vfs_dev;
/* On OS X, the root directory id is always 2 */
vap->va_fileid = (zp->z_id == zfsvfs->z_root) ? 2 : zp->z_id;
VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_LINKS(zfsvfs),
&val, sizeof (val)) == 0);
vap->va_nlink = val;
VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_SIZE(zfsvfs),
&val, sizeof (val)) == 0);
vap->va_data_size = val;
vap->va_total_size = val;
VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_RDEV(zfsvfs),
&val, sizeof (val)) == 0);
vap->va_rdev = val;
VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zfsvfs),
&val, sizeof (val)) == 0);
vap->va_gen = val;
(void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zfsvfs),
times, sizeof (times));
ZFS_TIME_DECODE(&vap->va_create_time, times);
(void) sa_lookup(zp->z_sa_hdl, SA_ZPL_ATIME(zfsvfs),
times, sizeof (times));
ZFS_TIME_DECODE(&vap->va_access_time, times);
(void) sa_lookup(zp->z_sa_hdl, SA_ZPL_MTIME(zfsvfs),
times, sizeof (times));
ZFS_TIME_DECODE(&vap->va_modify_time, times);
(void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CTIME(zfsvfs),
times, sizeof (times));
ZFS_TIME_DECODE(&vap->va_change_time, times);
if (VATTR_IS_ACTIVE(vap, va_backup_time)) {
vap->va_backup_time.tv_sec = 0;
vap->va_backup_time.tv_nsec = 0;
VATTR_SET_SUPPORTED(vap, va_backup_time);
}
vap->va_flags = zfs_getbsdflags(zp);
/* On OS X, the root directory id is always 2 and its parent is 1 */
VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_PARENT(zfsvfs),
&val, sizeof (val)) == 0);
if (zp->z_id == zfsvfs->z_root)
vap->va_parentid = 1;
else if (val == zfsvfs->z_root)
vap->va_parentid = 2;
else
vap->va_parentid = val;
vap->va_iosize = zp->z_blksz ? zp->z_blksz : zfsvfs->z_max_blksz;
VATTR_SET_SUPPORTED(vap, va_iosize);
printf("stat blksize set to %d\n", vap->va_iosize);
vap->va_supported |= ZFS_SUPPORTED_VATTRS;
if (VATTR_IS_ACTIVE(vap, va_nchildren) && vnode_isdir(ZTOV(zp)))
VATTR_RETURN(vap, va_nchildren, vap->va_nlink - 2);
if (VATTR_IS_ACTIVE(vap, va_acl)) {
if ((error = sa_lookup(zp->z_sa_hdl, SA_ZPL_ZNODE_ACL(zfsvfs),
times, sizeof (times)))) {
// if (zp->z_phys->zp_acl.z_acl_count == 0) {
vap->va_acl = (kauth_acl_t) KAUTH_FILESEC_NONE;
} else {
error = zfs_getacl(zp, &vap->va_acl, B_TRUE, cr);
if (error)
return (error);
VATTR_SET_SUPPORTED(vap, va_acl);
/*
* va_acl implies that va_uuuid and va_guuid are
* also supported.
*/
VATTR_RETURN(vap, va_uuuid, kauth_null_guid);
VATTR_RETURN(vap, va_guuid, kauth_null_guid);
}
}
return (0);
}
int
zfs_getattr_znode_unlocked(struct vnode *vp, vattr_t *vap)
{
znode_t *zp = VTOZ(vp);
zfsvfs_t *zfsvfs = zp->z_zfsvfs;
int error = 0;
uint64_t parent;
//printf("getattr_osx\n");
ZFS_ENTER(zfsvfs);
/*
* On Mac OS X we always export the root directory id as 2
*/
vap->va_fileid = (zp->z_id == zfsvfs->z_root) ? 2 : zp->z_id;
//vap->va_fileid = (zp->z_id == zfsvfs->z_root) ? 2 : zp->z_vid;
vap->va_nlink = zp->z_links;
vap->va_data_size = zp->z_size;
vap->va_total_size = zp->z_size;
vap->va_gen = zp->z_gen;
/*
* For Carbon compatibility,pretend to support this legacy/unused attribute
*/
if (VATTR_IS_ACTIVE(vap, va_backup_time)) {
vap->va_backup_time.tv_sec = 0;
vap->va_backup_time.tv_nsec = 0;
VATTR_SET_SUPPORTED(vap, va_backup_time);
}
vap->va_flags = zfs_getbsdflags(zp);
/*
* On Mac OS X we always export the root directory id as 2
* and its parent as 1
*/
error = sa_lookup(zp->z_sa_hdl, SA_ZPL_PARENT(zfsvfs),
&parent, sizeof (parent));
if (!error) {
if (zp->z_id == zfsvfs->z_root)
vap->va_parentid = 1;
else if (parent == zfsvfs->z_root)
vap->va_parentid = 2;
else
vap->va_parentid = parent;
}
vap->va_iosize = zp->z_blksz ? zp->z_blksz : zfsvfs->z_max_blksz;
//vap->va_iosize = 512;
VATTR_SET_SUPPORTED(vap, va_iosize);
/* Don't include '.' and '..' in the number of entries */
if (VATTR_IS_ACTIVE(vap, va_nchildren) && vnode_isdir(vp)) {
VATTR_RETURN(vap, va_nchildren, vap->va_nlink - 2);
}
/*
* va_dirlinkcount is the count of directory hard links. When a file
* system does not support ATTR_DIR_LINKCOUNT, xnu will default to 1.
* Since we claim to support ATTR_DIR_LINKCOUNT both as valid and as
* native, we'll just return 1. We set 1 for this value in dirattrpack
* as well. If in the future ZFS actually supports directory hard links,
* we can return a real value.
*/
if (VATTR_IS_ACTIVE(vap, va_dirlinkcount) && vnode_isdir(vp)) {
VATTR_RETURN(vap, va_dirlinkcount, 1);
}
if (VATTR_IS_ACTIVE(vap, va_acl)) {
//printf("want acl\n");
#if 0
zfs_acl_phys_t acl;
if (sa_lookup(zp->z_sa_hdl, SA_ZPL_ZNODE_ACL(zfsvfs),
&acl, sizeof (zfs_acl_phys_t))) {
//if (zp->z_acl.z_acl_count == 0) {
vap->va_acl = (kauth_acl_t) KAUTH_FILESEC_NONE;
} else {
if ((error = zfs_getacl(zp, &vap->va_acl, B_TRUE, NULL))) {
dprintf("zfs_getacl returned error %d\n", error);
error = 0;
//ZFS_EXIT(zfsvfs);
//return (error);
}
}
#endif
//VATTR_SET_SUPPORTED(vap, va_acl);
VATTR_RETURN(vap, va_uuuid, kauth_null_guid);
VATTR_RETURN(vap, va_guuid, kauth_null_guid);
dprintf("Calling getacl\n");
if ((error = zfs_getacl(zp, &vap->va_acl, B_FALSE, NULL))) {
dprintf("zfs_getacl returned error %d\n", error);
error = 0;
} else {
VATTR_SET_SUPPORTED(vap, va_acl);
/* va_acl implies that va_uuuid and va_guuid are also supported. */
VATTR_RETURN(vap, va_uuuid, kauth_null_guid);
VATTR_RETURN(vap, va_guuid, kauth_null_guid);
}
}
if (VATTR_IS_ACTIVE(vap, va_data_alloc) || VATTR_IS_ACTIVE(vap, va_total_alloc)) {
uint32_t blksize;
u_longlong_t nblks;
sa_object_size(zp->z_sa_hdl, &blksize, &nblks);
vap->va_data_alloc = (uint64_t)512LL * (uint64_t)nblks;
vap->va_total_alloc = vap->va_data_alloc;
vap->va_supported |= VNODE_ATTR_va_data_alloc |
VNODE_ATTR_va_total_alloc;
}
if (VATTR_IS_ACTIVE(vap, va_name)) {
vap->va_name[0] = 0;
if (!vnode_isvroot(vp)) {
/* Lets not supply name as zap_cursor can cause panic */
#if 0
if (zap_value_search(zfsvfs->z_os, parent, zp->z_id,
ZFS_DIRENT_OBJ(-1ULL), vap->va_name) == 0)
VATTR_SET_SUPPORTED(vap, va_name);
#endif
} else {
/*
* The vroot objects must return a unique name for Finder to
* be able to distringuish between mounts. For this reason
* we simply return the fullname, from the statfs mountedfrom
*/
strlcpy(vap->va_name,
vfs_statfs(vnode_mount(vp))->f_mntfromname,
MAXPATHLEN);
VATTR_SET_SUPPORTED(vap, va_name);
}
}
if (VATTR_IS_ACTIVE(vap, va_filerev)) {
VATTR_RETURN(vap, va_filerev, 0);
}
if (VATTR_IS_ACTIVE(vap, va_linkid)) {
VATTR_RETURN(vap, va_linkid, vap->va_fileid);
}
if (VATTR_IS_ACTIVE(vap, va_fsid)) {
VATTR_RETURN(vap, va_fsid, vfs_statfs(zfsvfs->z_vfs)->f_fsid.val[0]);
}
if (VATTR_IS_ACTIVE(vap, va_type)) {
VATTR_RETURN(vap, va_type, vnode_vtype(ZTOV(zp)));
}
if (VATTR_IS_ACTIVE(vap, va_encoding)) {
VATTR_RETURN(vap, va_encoding, kTextEncodingMacUnicode);
}
#ifdef VNODE_ATTR_va_addedtime
if (VATTR_IS_ACTIVE(vap, va_addedtime)) {
VATTR_RETURN(vap, va_addedtime, vap->va_ctime);
}
#endif
if (VATTR_IS_ACTIVE(vap, va_uuuid)) {
kauth_cred_uid2guid(zp->z_uid, &vap->va_uuuid);
}
if (VATTR_IS_ACTIVE(vap, va_guuid)) {
kauth_cred_uid2guid(zp->z_gid, &vap->va_guuid);
}
vap->va_supported |= ZFS_SUPPORTED_VATTRS;
ZFS_EXIT(zfsvfs);
return (error);
}
