void
zfs_sa_set_scanstamp(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx)
{
zfsvfs_t *zfsvfs = zp->z_zfsvfs;
xoptattr_t *xoap;
ASSERT(MUTEX_HELD(&zp->z_lock));
VERIFY((xoap = xva_getxoptattr(xvap)) != NULL);
if (zp->z_is_sa)
VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_SCANSTAMP(zfsvfs),
&xoap->xoa_av_scanstamp,
sizeof (xoap->xoa_av_scanstamp), tx));
else {
dmu_object_info_t doi;
dmu_buf_t *db = sa_get_db(zp->z_sa_hdl);
int len;
sa_object_info(zp->z_sa_hdl, &doi);
len = sizeof (xoap->xoa_av_scanstamp) +
ZFS_OLD_ZNODE_PHYS_SIZE;
if (len > doi.doi_bonus_size)
VERIFY(dmu_set_bonus(db, len, tx) == 0);
(void) memcpy((caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE,
xoap->xoa_av_scanstamp, sizeof (xoap->xoa_av_scanstamp));
zp->z_pflags |= ZFS_BONUS_SCANSTAMP;
VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_FLAGS(zfsvfs),
&zp->z_pflags, sizeof (uint64_t), tx));
}
}
static void
zfs_replay_xvattr(lr_attr_t *lrattr, xvattr_t *xvap)
{
xoptattr_t *xoap = NULL;
uint64_t *attrs;
uint64_t *crtime;
uint32_t *bitmap;
void *scanstamp;
int i;
xvap->xva_vattr.va_mask |= AT_XVATTR;
if ((xoap = xva_getxoptattr(xvap)) == NULL) {
xvap->xva_vattr.va_mask &= ~AT_XVATTR; /* shouldn't happen */
return;
}
ASSERT(lrattr->lr_attr_masksize == xvap->xva_mapsize);
bitmap = &lrattr->lr_attr_bitmap;
for (i = 0; i != lrattr->lr_attr_masksize; i++, bitmap++)
xvap->xva_reqattrmap[i] = *bitmap;
attrs = (uint64_t *)(lrattr + lrattr->lr_attr_masksize - 1);
crtime = attrs + 1;
scanstamp = (caddr_t)(crtime + 2);
if (XVA_ISSET_REQ(xvap, XAT_HIDDEN))
xoap->xoa_hidden = ((*attrs & XAT0_HIDDEN) != 0);
if (XVA_ISSET_REQ(xvap, XAT_SYSTEM))
xoap->xoa_system = ((*attrs & XAT0_SYSTEM) != 0);
if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE))
xoap->xoa_archive = ((*attrs & XAT0_ARCHIVE) != 0);
if (XVA_ISSET_REQ(xvap, XAT_READONLY))
xoap->xoa_readonly = ((*attrs & XAT0_READONLY) != 0);
if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE))
xoap->xoa_immutable = ((*attrs & XAT0_IMMUTABLE) != 0);
if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK))
xoap->xoa_nounlink = ((*attrs & XAT0_NOUNLINK) != 0);
if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY))
xoap->xoa_appendonly = ((*attrs & XAT0_APPENDONLY) != 0);
if (XVA_ISSET_REQ(xvap, XAT_NODUMP))
xoap->xoa_nodump = ((*attrs & XAT0_NODUMP) != 0);
if (XVA_ISSET_REQ(xvap, XAT_OPAQUE))
xoap->xoa_opaque = ((*attrs & XAT0_OPAQUE) != 0);
if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED))
xoap->xoa_av_modified = ((*attrs & XAT0_AV_MODIFIED) != 0);
if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED))
xoap->xoa_av_quarantined =
((*attrs & XAT0_AV_QUARANTINED) != 0);
if (XVA_ISSET_REQ(xvap, XAT_CREATETIME))
ZFS_TIME_DECODE(&xoap->xoa_createtime, crtime);
if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP))
bcopy(scanstamp, xoap->xoa_av_scanstamp, AV_SCANSTAMP_SZ);
if (XVA_ISSET_REQ(xvap, XAT_REPARSE))
xoap->xoa_reparse = ((*attrs & XAT0_REPARSE) != 0);
if (XVA_ISSET_REQ(xvap, XAT_OFFLINE))
xoap->xoa_offline = ((*attrs & XAT0_OFFLINE) != 0);
if (XVA_ISSET_REQ(xvap, XAT_SPARSE))
xoap->xoa_sparse = ((*attrs & XAT0_SPARSE) != 0);
}
static int
zpl_ioctl_setxattr(struct file *filp, void __user *arg)
{
struct inode *ip = file_inode(filp);
zfsxattr_t fsx;
cred_t *cr = CRED();
xvattr_t xva;
xoptattr_t *xoap;
int err;
fstrans_cookie_t cookie;
if (copy_from_user(&fsx, arg, sizeof (fsx)))
return (-EFAULT);
if (!zpl_is_valid_projid(fsx.fsx_projid))
return (-EINVAL);
err = __zpl_ioctl_setflags(ip, fsx.fsx_xflags, &xva);
if (err)
return (err);
xoap = xva_getxoptattr(&xva);
XVA_SET_REQ(&xva, XAT_PROJID);
xoap->xoa_projid = fsx.fsx_projid;
crhold(cr);
cookie = spl_fstrans_mark();
err = -zfs_setattr(ip, (vattr_t *)&xva, 0, cr);
spl_fstrans_unmark(cookie);
crfree(cr);
return (err);
}
void
zfs_sa_get_scanstamp(znode_t *zp, xvattr_t *xvap)
{
zfsvfs_t *zfsvfs = zp->z_zfsvfs;
xoptattr_t *xoap;
ASSERT(MUTEX_HELD(&zp->z_lock));
VERIFY((xoap = xva_getxoptattr(xvap)) != NULL);
if (zp->z_is_sa) {
if (sa_lookup(zp->z_sa_hdl, SA_ZPL_SCANSTAMP(zfsvfs),
&xoap->xoa_av_scanstamp,
sizeof (xoap->xoa_av_scanstamp)) != 0)
return;
} else {
dmu_object_info_t doi;
dmu_buf_t *db = sa_get_db(zp->z_sa_hdl);
int len;
if (!(zp->z_pflags & ZFS_BONUS_SCANSTAMP))
return;
sa_object_info(zp->z_sa_hdl, &doi);
len = sizeof (xoap->xoa_av_scanstamp) +
ZFS_OLD_ZNODE_PHYS_SIZE;
if (len <= doi.doi_bonus_size) {
(void) memcpy(xoap->xoa_av_scanstamp,
(caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE,
sizeof (xoap->xoa_av_scanstamp));
}
}
XVA_SET_RTN(xvap, XAT_AV_SCANSTAMP);
}
static int
zpl_ioctl_setflags(struct file *filp, void __user *arg)
{
struct inode *ip = file_inode(filp);
uint64_t zfs_flags = ITOZ(ip)->z_pflags;
unsigned int ioctl_flags;
cred_t *cr = CRED();
xvattr_t xva;
xoptattr_t *xoap;
int error;
fstrans_cookie_t cookie;
if (copy_from_user(&ioctl_flags, arg, sizeof (ioctl_flags)))
return (-EFAULT);
if ((ioctl_flags & ~(FS_IMMUTABLE_FL | FS_APPEND_FL | FS_NODUMP_FL)))
return (-EOPNOTSUPP);
if ((ioctl_flags & ~(FS_FL_USER_MODIFIABLE)))
return (-EACCES);
if ((fchange(ioctl_flags, zfs_flags, FS_IMMUTABLE_FL, ZFS_IMMUTABLE) ||
fchange(ioctl_flags, zfs_flags, FS_APPEND_FL, ZFS_APPENDONLY)) &&
!capable(CAP_LINUX_IMMUTABLE))
return (-EACCES);
if (!zpl_inode_owner_or_capable(ip))
return (-EACCES);
xva_init(&xva);
xoap = xva_getxoptattr(&xva);
XVA_SET_REQ(&xva, XAT_IMMUTABLE);
if (ioctl_flags & FS_IMMUTABLE_FL)
xoap->xoa_immutable = B_TRUE;
XVA_SET_REQ(&xva, XAT_APPENDONLY);
if (ioctl_flags & FS_APPEND_FL)
xoap->xoa_appendonly = B_TRUE;
XVA_SET_REQ(&xva, XAT_NODUMP);
if (ioctl_flags & FS_NODUMP_FL)
xoap->xoa_nodump = B_TRUE;
crhold(cr);
cookie = spl_fstrans_mark();
error = -zfs_setattr(ip, (vattr_t *)&xva, 0, cr);
spl_fstrans_unmark(cookie);
crfree(cr);
return (error);
}
static int
__zpl_ioctl_setflags(struct inode *ip, uint32_t ioctl_flags, xvattr_t *xva)
{
uint64_t zfs_flags = ITOZ(ip)->z_pflags;
xoptattr_t *xoap;
if (ioctl_flags & ~(FS_IMMUTABLE_FL | FS_APPEND_FL | FS_NODUMP_FL |
ZFS_PROJINHERIT_FL))
return (-EOPNOTSUPP);
if (ioctl_flags & ~ZFS_FL_USER_MODIFIABLE)
return (-EACCES);
if ((fchange(ioctl_flags, zfs_flags, FS_IMMUTABLE_FL, ZFS_IMMUTABLE) ||
fchange(ioctl_flags, zfs_flags, FS_APPEND_FL, ZFS_APPENDONLY)) &&
!capable(CAP_LINUX_IMMUTABLE))
return (-EACCES);
if (!zpl_inode_owner_or_capable(ip))
return (-EACCES);
xva_init(xva);
xoap = xva_getxoptattr(xva);
XVA_SET_REQ(xva, XAT_IMMUTABLE);
if (ioctl_flags & FS_IMMUTABLE_FL)
xoap->xoa_immutable = B_TRUE;
XVA_SET_REQ(xva, XAT_APPENDONLY);
if (ioctl_flags & FS_APPEND_FL)
xoap->xoa_appendonly = B_TRUE;
XVA_SET_REQ(xva, XAT_NODUMP);
if (ioctl_flags & FS_NODUMP_FL)
xoap->xoa_nodump = B_TRUE;
XVA_SET_REQ(xva, XAT_PROJINHERIT);
if (ioctl_flags & ZFS_PROJINHERIT_FL)
xoap->xoa_projinherit = B_TRUE;
return (0);
}
/*
* build up the log data necessary for logging xvattr_t
* First lr_attr_t is initialized. following the lr_attr_t
* is the mapsize and attribute bitmap copied from the xvattr_t.
* Following the bitmap and bitmapsize two 64 bit words are reserved
* for the create time which may be set. Following the create time
* records a single 64 bit integer which has the bits to set on
* replay for the xvattr.
*/
static void
zfs_log_xvattr(lr_attr_t *lrattr, xvattr_t *xvap)
{
uint32_t *bitmap;
uint64_t *attrs;
uint64_t *crtime;
xoptattr_t *xoap;
void *scanstamp;
int i;
xoap = xva_getxoptattr(xvap);
ASSERT(xoap);
lrattr->lr_attr_masksize = xvap->xva_mapsize;
bitmap = &lrattr->lr_attr_bitmap;
for (i = 0; i != xvap->xva_mapsize; i++, bitmap++) {
*bitmap = xvap->xva_reqattrmap[i];
}
/* Now pack the attributes up in a single uint64_t */
attrs = (uint64_t *)bitmap;
crtime = attrs + 1;
scanstamp = (caddr_t)(crtime + 2);
*attrs = 0;
if (XVA_ISSET_REQ(xvap, XAT_READONLY))
*attrs |= (xoap->xoa_readonly == 0) ? 0 :
XAT0_READONLY;
if (XVA_ISSET_REQ(xvap, XAT_HIDDEN))
*attrs |= (xoap->xoa_hidden == 0) ? 0 :
XAT0_HIDDEN;
if (XVA_ISSET_REQ(xvap, XAT_SYSTEM))
*attrs |= (xoap->xoa_system == 0) ? 0 :
XAT0_SYSTEM;
if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE))
*attrs |= (xoap->xoa_archive == 0) ? 0 :
XAT0_ARCHIVE;
if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE))
*attrs |= (xoap->xoa_immutable == 0) ? 0 :
XAT0_IMMUTABLE;
if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK))
*attrs |= (xoap->xoa_nounlink == 0) ? 0 :
XAT0_NOUNLINK;
if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY))
*attrs |= (xoap->xoa_appendonly == 0) ? 0 :
XAT0_APPENDONLY;
if (XVA_ISSET_REQ(xvap, XAT_OPAQUE))
*attrs |= (xoap->xoa_opaque == 0) ? 0 :
XAT0_APPENDONLY;
if (XVA_ISSET_REQ(xvap, XAT_NODUMP))
*attrs |= (xoap->xoa_nodump == 0) ? 0 :
XAT0_NODUMP;
if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED))
*attrs |= (xoap->xoa_av_quarantined == 0) ? 0 :
XAT0_AV_QUARANTINED;
if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED))
*attrs |= (xoap->xoa_av_modified == 0) ? 0 :
XAT0_AV_MODIFIED;
if (XVA_ISSET_REQ(xvap, XAT_CREATETIME))
ZFS_TIME_ENCODE(&xoap->xoa_createtime, crtime);
if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP))
bcopy(xoap->xoa_av_scanstamp, scanstamp, AV_SCANSTAMP_SZ);
if (XVA_ISSET_REQ(xvap, XAT_REPARSE))
*attrs |= (xoap->xoa_reparse == 0) ? 0 :
XAT0_REPARSE;
if (XVA_ISSET_REQ(xvap, XAT_OFFLINE))
*attrs |= (xoap->xoa_offline == 0) ? 0 :
XAT0_OFFLINE;
if (XVA_ISSET_REQ(xvap, XAT_SPARSE))
*attrs |= (xoap->xoa_sparse == 0) ? 0 :
XAT0_SPARSE;
}
/* ARGSUSED */
static int
xattr_file_write(vnode_t *vp, uio_t *uiop, int ioflag, cred_t *cr,
caller_context_t *ct)
{
int error = 0;
char *buf;
char *domain;
uint32_t rid;
ssize_t size = uiop->uio_resid;
nvlist_t *nvp;
nvpair_t *pair = NULL;
vnode_t *ppvp;
xvattr_t xvattr;
xoptattr_t *xoap = NULL; /* Pointer to optional attributes */
if (vfs_has_feature(vp->v_vfsp, VFSFT_XVATTR) == 0)
return (EINVAL);
/*
* Validate file offset and size.
*/
if (uiop->uio_loffset < (offset_t)0)
return (EINVAL);
if (size == 0)
return (EINVAL);
xva_init(&xvattr);
if ((xoap = xva_getxoptattr(&xvattr)) == NULL) {
return (EINVAL);
}
/*
* Copy and unpack the nvlist
*/
buf = kmem_alloc(size, KM_SLEEP);
if (uiomove((caddr_t)buf, size, UIO_WRITE, uiop)) {
return (EFAULT);
}
if (nvlist_unpack(buf, size, &nvp, KM_SLEEP) != 0) {
kmem_free(buf, size);
uiop->uio_resid = size;
return (EINVAL);
}
kmem_free(buf, size);
/*
* Fasttrack empty writes (nvlist with no nvpairs)
*/
if (nvlist_next_nvpair(nvp, NULL) == 0)
return (0);
ppvp = gfs_file_parent(gfs_file_parent(vp));
while (pair = nvlist_next_nvpair(nvp, pair)) {
data_type_t type;
f_attr_t attr;
boolean_t value;
uint64_t *time, *times;
uint_t elem, nelems;
nvlist_t *nvp_sid;
uint8_t *scanstamp;
/*
* Validate the name and type of each attribute.
* Log any unknown names and continue. This will
* help if additional attributes are added later.
*/
type = nvpair_type(pair);
if ((attr = name_to_attr(nvpair_name(pair))) == F_ATTR_INVAL) {
cmn_err(CE_WARN, "Unknown attribute %s",
nvpair_name(pair));
continue;
}
/*
* Verify nvlist type matches required type and view is OK
*/
if (type != attr_to_data_type(attr) ||
(attr_to_xattr_view(attr) == XATTR_VIEW_READONLY)) {
nvlist_free(nvp);
return (EINVAL);
}
/*
* For OWNERSID/GROUPSID make sure the target
* file system support ephemeral ID's
*/
if ((attr == F_OWNERSID || attr == F_GROUPSID) &&
(!(vp->v_vfsp->vfs_flag & VFS_XID))) {
nvlist_free(nvp);
return (EINVAL);
}
/*
* Retrieve data from nvpair
*/
switch (type) {
case DATA_TYPE_BOOLEAN_VALUE:
if (nvpair_value_boolean_value(pair, &value)) {
nvlist_free(nvp);
return (EINVAL);
}
break;
case DATA_TYPE_UINT64_ARRAY:
if (nvpair_value_uint64_array(pair, ×, &nelems)) {
nvlist_free(nvp);
return (EINVAL);
}
break;
case DATA_TYPE_NVLIST:
if (nvpair_value_nvlist(pair, &nvp_sid)) {
nvlist_free(nvp);
return (EINVAL);
}
break;
case DATA_TYPE_UINT8_ARRAY:
if (nvpair_value_uint8_array(pair,
&scanstamp, &nelems)) {
nvlist_free(nvp);
return (EINVAL);
}
break;
default:
nvlist_free(nvp);
return (EINVAL);
}
switch (attr) {
/*
* If we have several similar optional attributes to
* process then we should do it all together here so that
* xoap and the requested bitmap can be set in one place.
*/
case F_READONLY:
XVA_SET_REQ(&xvattr, XAT_READONLY);
xoap->xoa_readonly = value;
break;
case F_HIDDEN:
XVA_SET_REQ(&xvattr, XAT_HIDDEN);
xoap->xoa_hidden = value;
break;
case F_SYSTEM:
XVA_SET_REQ(&xvattr, XAT_SYSTEM);
xoap->xoa_system = value;
break;
case F_ARCHIVE:
XVA_SET_REQ(&xvattr, XAT_ARCHIVE);
xoap->xoa_archive = value;
break;
case F_IMMUTABLE:
XVA_SET_REQ(&xvattr, XAT_IMMUTABLE);
xoap->xoa_immutable = value;
break;
case F_NOUNLINK:
XVA_SET_REQ(&xvattr, XAT_NOUNLINK);
xoap->xoa_nounlink = value;
break;
case F_APPENDONLY:
XVA_SET_REQ(&xvattr, XAT_APPENDONLY);
xoap->xoa_appendonly = value;
break;
case F_NODUMP:
XVA_SET_REQ(&xvattr, XAT_NODUMP);
xoap->xoa_nodump = value;
break;
case F_AV_QUARANTINED:
XVA_SET_REQ(&xvattr, XAT_AV_QUARANTINED);
xoap->xoa_av_quarantined = value;
break;
case F_AV_MODIFIED:
XVA_SET_REQ(&xvattr, XAT_AV_MODIFIED);
xoap->xoa_av_modified = value;
break;
case F_CRTIME:
XVA_SET_REQ(&xvattr, XAT_CREATETIME);
time = (uint64_t *)&(xoap->xoa_createtime);
for (elem = 0; elem < nelems; elem++)
*time++ = times[elem];
break;
case F_OWNERSID:
case F_GROUPSID:
if (nvlist_lookup_string(nvp_sid, SID_DOMAIN,
&domain) || nvlist_lookup_uint32(nvp_sid, SID_RID,
&rid)) {
nvlist_free(nvp);
return (EINVAL);
}
/*
* Now map domain+rid to ephemeral id's
*
* If mapping fails, then the uid/gid will
* be set to UID_NOBODY by Winchester.
*/
if (attr == F_OWNERSID) {
(void) kidmap_getuidbysid(crgetzone(cr), domain,
rid, &xvattr.xva_vattr.va_uid);
xvattr.xva_vattr.va_mask |= AT_UID;
} else {
(void) kidmap_getgidbysid(crgetzone(cr), domain,
rid, &xvattr.xva_vattr.va_gid);
xvattr.xva_vattr.va_mask |= AT_GID;
}
break;
case F_AV_SCANSTAMP:
if (ppvp->v_type == VREG) {
XVA_SET_REQ(&xvattr, XAT_AV_SCANSTAMP);
(void) memcpy(xoap->xoa_av_scanstamp,
scanstamp, nelems);
} else {
nvlist_free(nvp);
return (EINVAL);
}
break;
case F_REPARSE:
XVA_SET_REQ(&xvattr, XAT_REPARSE);
xoap->xoa_reparse = value;
break;
case F_OFFLINE:
XVA_SET_REQ(&xvattr, XAT_OFFLINE);
xoap->xoa_offline = value;
break;
case F_SPARSE:
XVA_SET_REQ(&xvattr, XAT_SPARSE);
xoap->xoa_sparse = value;
break;
default:
break;
}
}
ppvp = gfs_file_parent(gfs_file_parent(vp));
error = VOP_SETATTR(ppvp, &xvattr.xva_vattr, 0, cr, ct);
if (error)
uiop->uio_resid = size;
nvlist_free(nvp);
return (error);
}
/* ARGSUSED */
static int
xattr_fill_nvlist(vnode_t *vp, xattr_view_t xattr_view, nvlist_t *nvlp,
cred_t *cr, caller_context_t *ct)
{
int error;
f_attr_t attr;
uint64_t fsid;
xvattr_t xvattr;
xoptattr_t *xoap; /* Pointer to optional attributes */
vnode_t *ppvp;
const char *domain;
uint32_t rid;
xva_init(&xvattr);
if ((xoap = xva_getxoptattr(&xvattr)) == NULL)
return (EINVAL);
/*
* For detecting ephemeral uid/gid
*/
xvattr.xva_vattr.va_mask |= (AT_UID|AT_GID);
/*
* We need to access the real fs object.
* vp points to a GFS file; ppvp points to the real object.
*/
ppvp = gfs_file_parent(gfs_file_parent(vp));
/*
* Iterate through the attrs associated with this view
*/
for (attr = 0; attr < F_ATTR_ALL; attr++) {
if (xattr_view != attr_to_xattr_view(attr)) {
continue;
}
switch (attr) {
case F_SYSTEM:
XVA_SET_REQ(&xvattr, XAT_SYSTEM);
break;
case F_READONLY:
XVA_SET_REQ(&xvattr, XAT_READONLY);
break;
case F_HIDDEN:
XVA_SET_REQ(&xvattr, XAT_HIDDEN);
break;
case F_ARCHIVE:
XVA_SET_REQ(&xvattr, XAT_ARCHIVE);
break;
case F_IMMUTABLE:
XVA_SET_REQ(&xvattr, XAT_IMMUTABLE);
break;
case F_APPENDONLY:
XVA_SET_REQ(&xvattr, XAT_APPENDONLY);
break;
case F_NOUNLINK:
XVA_SET_REQ(&xvattr, XAT_NOUNLINK);
break;
case F_OPAQUE:
XVA_SET_REQ(&xvattr, XAT_OPAQUE);
break;
case F_NODUMP:
XVA_SET_REQ(&xvattr, XAT_NODUMP);
break;
case F_AV_QUARANTINED:
XVA_SET_REQ(&xvattr, XAT_AV_QUARANTINED);
break;
case F_AV_MODIFIED:
XVA_SET_REQ(&xvattr, XAT_AV_MODIFIED);
break;
case F_AV_SCANSTAMP:
if (ppvp->v_type == VREG)
XVA_SET_REQ(&xvattr, XAT_AV_SCANSTAMP);
break;
case F_CRTIME:
XVA_SET_REQ(&xvattr, XAT_CREATETIME);
break;
case F_FSID:
fsid = (((uint64_t)vp->v_vfsp->vfs_fsid.val[0] << 32) |
(uint64_t)(vp->v_vfsp->vfs_fsid.val[1] &
0xffffffff));
VERIFY(nvlist_add_uint64(nvlp, attr_to_name(attr),
fsid) == 0);
break;
case F_REPARSE:
XVA_SET_REQ(&xvattr, XAT_REPARSE);
break;
case F_GEN:
XVA_SET_REQ(&xvattr, XAT_GEN);
break;
case F_OFFLINE:
XVA_SET_REQ(&xvattr, XAT_OFFLINE);
break;
case F_SPARSE:
XVA_SET_REQ(&xvattr, XAT_SPARSE);
break;
default:
break;
}
}
error = VOP_GETATTR(ppvp, &xvattr.xva_vattr, 0, cr, ct);
if (error)
return (error);
/*
* Process all the optional attributes together here. Notice that
* xoap was set when the optional attribute bits were set above.
*/
if ((xvattr.xva_vattr.va_mask & AT_XVATTR) && xoap) {
if (XVA_ISSET_RTN(&xvattr, XAT_READONLY)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_READONLY),
xoap->xoa_readonly) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_HIDDEN)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_HIDDEN),
xoap->xoa_hidden) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_SYSTEM)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_SYSTEM),
xoap->xoa_system) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_ARCHIVE)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_ARCHIVE),
xoap->xoa_archive) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_IMMUTABLE)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_IMMUTABLE),
xoap->xoa_immutable) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_NOUNLINK)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_NOUNLINK),
xoap->xoa_nounlink) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_APPENDONLY)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_APPENDONLY),
xoap->xoa_appendonly) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_NODUMP)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_NODUMP),
xoap->xoa_nodump) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_OPAQUE)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_OPAQUE),
xoap->xoa_opaque) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_AV_QUARANTINED)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_AV_QUARANTINED),
xoap->xoa_av_quarantined) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_AV_MODIFIED)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_AV_MODIFIED),
xoap->xoa_av_modified) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_AV_SCANSTAMP)) {
VERIFY(nvlist_add_uint8_array(nvlp,
attr_to_name(F_AV_SCANSTAMP),
xoap->xoa_av_scanstamp,
sizeof (xoap->xoa_av_scanstamp)) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_CREATETIME)) {
VERIFY(nvlist_add_uint64_array(nvlp,
attr_to_name(F_CRTIME),
(uint64_t *)&(xoap->xoa_createtime),
sizeof (xoap->xoa_createtime) /
sizeof (uint64_t)) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_REPARSE)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_REPARSE),
xoap->xoa_reparse) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_GEN)) {
VERIFY(nvlist_add_uint64(nvlp,
attr_to_name(F_GEN),
xoap->xoa_generation) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_OFFLINE)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_OFFLINE),
xoap->xoa_offline) == 0);
}
if (XVA_ISSET_RTN(&xvattr, XAT_SPARSE)) {
VERIFY(nvlist_add_boolean_value(nvlp,
attr_to_name(F_SPARSE),
xoap->xoa_sparse) == 0);
}
}
/*
* Check for optional ownersid/groupsid
*/
if (xvattr.xva_vattr.va_uid > MAXUID) {
nvlist_t *nvl_sid;
if (nvlist_alloc(&nvl_sid, NV_UNIQUE_NAME, KM_SLEEP))
return (ENOMEM);
if (kidmap_getsidbyuid(crgetzone(cr), xvattr.xva_vattr.va_uid,
&domain, &rid) == 0) {
VERIFY(nvlist_add_string(nvl_sid,
SID_DOMAIN, domain) == 0);
VERIFY(nvlist_add_uint32(nvl_sid, SID_RID, rid) == 0);
VERIFY(nvlist_add_nvlist(nvlp, attr_to_name(F_OWNERSID),
nvl_sid) == 0);
}
nvlist_free(nvl_sid);
}
if (xvattr.xva_vattr.va_gid > MAXUID) {
nvlist_t *nvl_sid;
if (nvlist_alloc(&nvl_sid, NV_UNIQUE_NAME, KM_SLEEP))
return (ENOMEM);
if (kidmap_getsidbygid(crgetzone(cr), xvattr.xva_vattr.va_gid,
&domain, &rid) == 0) {
VERIFY(nvlist_add_string(nvl_sid,
SID_DOMAIN, domain) == 0);
VERIFY(nvlist_add_uint32(nvl_sid, SID_RID, rid) == 0);
VERIFY(nvlist_add_nvlist(nvlp, attr_to_name(F_GROUPSID),
nvl_sid) == 0);
}
nvlist_free(nvl_sid);
}
return (0);
}
/*
* Update in-core attributes. It is assumed the caller will be doing an
* sa_bulk_update to push the changes out.
*/
void
zfs_xvattr_set(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx)
{
xoptattr_t *xoap;
xoap = xva_getxoptattr(xvap);
ASSERT(xoap);
if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) {
uint64_t times[2];
ZFS_TIME_ENCODE(&xoap->xoa_createtime, times);
(void) sa_update(zp->z_sa_hdl, SA_ZPL_CRTIME(ZTOZSB(zp)),
×, sizeof (times), tx);
XVA_SET_RTN(xvap, XAT_CREATETIME);
}
if (XVA_ISSET_REQ(xvap, XAT_READONLY)) {
ZFS_ATTR_SET(zp, ZFS_READONLY, xoap->xoa_readonly,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_READONLY);
}
if (XVA_ISSET_REQ(xvap, XAT_HIDDEN)) {
ZFS_ATTR_SET(zp, ZFS_HIDDEN, xoap->xoa_hidden,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_HIDDEN);
}
if (XVA_ISSET_REQ(xvap, XAT_SYSTEM)) {
ZFS_ATTR_SET(zp, ZFS_SYSTEM, xoap->xoa_system,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_SYSTEM);
}
if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE)) {
ZFS_ATTR_SET(zp, ZFS_ARCHIVE, xoap->xoa_archive,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_ARCHIVE);
}
if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE)) {
ZFS_ATTR_SET(zp, ZFS_IMMUTABLE, xoap->xoa_immutable,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_IMMUTABLE);
}
if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK)) {
ZFS_ATTR_SET(zp, ZFS_NOUNLINK, xoap->xoa_nounlink,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_NOUNLINK);
}
if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY)) {
ZFS_ATTR_SET(zp, ZFS_APPENDONLY, xoap->xoa_appendonly,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_APPENDONLY);
}
if (XVA_ISSET_REQ(xvap, XAT_NODUMP)) {
ZFS_ATTR_SET(zp, ZFS_NODUMP, xoap->xoa_nodump,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_NODUMP);
}
if (XVA_ISSET_REQ(xvap, XAT_OPAQUE)) {
ZFS_ATTR_SET(zp, ZFS_OPAQUE, xoap->xoa_opaque,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_OPAQUE);
}
if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED)) {
ZFS_ATTR_SET(zp, ZFS_AV_QUARANTINED,
xoap->xoa_av_quarantined, zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_AV_QUARANTINED);
}
if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED)) {
ZFS_ATTR_SET(zp, ZFS_AV_MODIFIED, xoap->xoa_av_modified,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_AV_MODIFIED);
}
if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) {
zfs_sa_set_scanstamp(zp, xvap, tx);
XVA_SET_RTN(xvap, XAT_AV_SCANSTAMP);
}
if (XVA_ISSET_REQ(xvap, XAT_REPARSE)) {
ZFS_ATTR_SET(zp, ZFS_REPARSE, xoap->xoa_reparse,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_REPARSE);
}
if (XVA_ISSET_REQ(xvap, XAT_OFFLINE)) {
ZFS_ATTR_SET(zp, ZFS_OFFLINE, xoap->xoa_offline,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_OFFLINE);
}
if (XVA_ISSET_REQ(xvap, XAT_SPARSE)) {
ZFS_ATTR_SET(zp, ZFS_SPARSE, xoap->xoa_sparse,
zp->z_pflags, tx);
XVA_SET_RTN(xvap, XAT_SPARSE);
}
}
static void
smb_vop_setup_xvattr(smb_attr_t *smb_attr, xvattr_t *xvattr)
{
xoptattr_t *xoap = NULL;
uint_t xva_mask;
/*
* Initialize xvattr, including bzero
*/
xva_init(xvattr);
xoap = xva_getxoptattr(xvattr);
ASSERT(xoap);
/*
* Copy caller-specified classic attributes to xvattr.
* First save xvattr's mask (set in xva_init()), which
* contains AT_XVATTR. This is |'d in later if needed.
*/
xva_mask = xvattr->xva_vattr.va_mask;
xvattr->xva_vattr = smb_attr->sa_vattr;
smb_sa_to_va_mask(smb_attr->sa_mask, &xvattr->xva_vattr.va_mask);
/*
* Do not set ctime (only the file system can do it)
*/
xvattr->xva_vattr.va_mask &= ~AT_CTIME;
if (smb_attr->sa_mask & SMB_AT_DOSATTR) {
/*
* "|" in the original xva_mask, which contains
* AT_XVATTR
*/
xvattr->xva_vattr.va_mask |= xva_mask;
XVA_SET_REQ(xvattr, XAT_ARCHIVE);
XVA_SET_REQ(xvattr, XAT_SYSTEM);
XVA_SET_REQ(xvattr, XAT_READONLY);
XVA_SET_REQ(xvattr, XAT_HIDDEN);
/*
* smb_attr->sa_dosattr: If a given bit is not set,
* that indicates that the corresponding field needs
* to be updated with a "0" value. This is done
* implicitly as the xoap->xoa_* fields were bzero'd.
*/
if (smb_attr->sa_dosattr & FILE_ATTRIBUTE_ARCHIVE)
xoap->xoa_archive = 1;
if (smb_attr->sa_dosattr & FILE_ATTRIBUTE_SYSTEM)
xoap->xoa_system = 1;
if (smb_attr->sa_dosattr & FILE_ATTRIBUTE_READONLY)
xoap->xoa_readonly = 1;
if (smb_attr->sa_dosattr & FILE_ATTRIBUTE_HIDDEN)
xoap->xoa_hidden = 1;
}
if (smb_attr->sa_mask & SMB_AT_CRTIME) {
/*
* "|" in the original xva_mask, which contains
* AT_XVATTR
*/
xvattr->xva_vattr.va_mask |= xva_mask;
XVA_SET_REQ(xvattr, XAT_CREATETIME);
xoap->xoa_createtime = smb_attr->sa_crtime;
}
}
/*
* smb_vop_getattr()
*
* smb_fsop_getattr()/smb_vop_getattr() should always be called from the CIFS
* service (instead of calling VOP_GETATTR directly) to retrieve attributes
* due to special processing needed for streams files.
*
* All attributes are retrieved.
*
* When vp denotes a named stream, then unnamed_vp should be passed in (denoting
* the corresponding unnamed stream).
* A named stream's attributes (as far as CIFS is concerned) are those of the
* unnamed stream (minus the size attribute, and the type), plus the size of
* the named stream, and a type value of VREG.
* Although the file system may store other attributes with the named stream,
* these should not be used by CIFS for any purpose.
*
* File systems without VFSFT_XVATTR do not support DOS attributes or create
* time (crtime). In this case the mtime is used as the crtime.
* Likewise if VOP_GETATTR doesn't return any system attributes the dosattr
* is 0 and the mtime is used as the crtime.
*/
int
smb_vop_getattr(vnode_t *vp, vnode_t *unnamed_vp, smb_attr_t *ret_attr,
int flags, cred_t *cr)
{
int error;
vnode_t *use_vp;
smb_attr_t tmp_attr;
xvattr_t tmp_xvattr;
xoptattr_t *xoap = NULL;
if (unnamed_vp)
use_vp = unnamed_vp;
else
use_vp = vp;
if (vfs_has_feature(use_vp->v_vfsp, VFSFT_XVATTR)) {
xva_init(&tmp_xvattr);
xoap = xva_getxoptattr(&tmp_xvattr);
ASSERT(xoap);
smb_sa_to_va_mask(ret_attr->sa_mask,
&tmp_xvattr.xva_vattr.va_mask);
XVA_SET_REQ(&tmp_xvattr, XAT_READONLY);
XVA_SET_REQ(&tmp_xvattr, XAT_HIDDEN);
XVA_SET_REQ(&tmp_xvattr, XAT_SYSTEM);
XVA_SET_REQ(&tmp_xvattr, XAT_ARCHIVE);
XVA_SET_REQ(&tmp_xvattr, XAT_CREATETIME);
error = VOP_GETATTR(use_vp, &tmp_xvattr.xva_vattr, flags,
cr, &smb_ct);
if (error != 0)
return (error);
ret_attr->sa_vattr = tmp_xvattr.xva_vattr;
ret_attr->sa_dosattr = 0;
if (tmp_xvattr.xva_vattr.va_mask & AT_XVATTR) {
xoap = xva_getxoptattr(&tmp_xvattr);
ASSERT(xoap);
if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_READONLY)) &&
(xoap->xoa_readonly)) {
ret_attr->sa_dosattr |= FILE_ATTRIBUTE_READONLY;
}
if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_HIDDEN)) &&
(xoap->xoa_hidden)) {
ret_attr->sa_dosattr |= FILE_ATTRIBUTE_HIDDEN;
}
if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_SYSTEM)) &&
(xoap->xoa_system)) {
ret_attr->sa_dosattr |= FILE_ATTRIBUTE_SYSTEM;
}
if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_ARCHIVE)) &&
(xoap->xoa_archive)) {
ret_attr->sa_dosattr |= FILE_ATTRIBUTE_ARCHIVE;
}
ret_attr->sa_crtime = xoap->xoa_createtime;
} else {
ret_attr->sa_crtime = ret_attr->sa_vattr.va_mtime;
}
} else {
/*
* Support for file systems without VFSFT_XVATTR
*/
smb_sa_to_va_mask(ret_attr->sa_mask,
&ret_attr->sa_vattr.va_mask);
error = VOP_GETATTR(use_vp, &ret_attr->sa_vattr,
flags, cr, &smb_ct);
if (error != 0)
return (error);
ret_attr->sa_dosattr = 0;
ret_attr->sa_crtime = ret_attr->sa_vattr.va_mtime;
}
if (unnamed_vp) {
ret_attr->sa_vattr.va_type = VREG;
if (ret_attr->sa_mask & (SMB_AT_SIZE | SMB_AT_NBLOCKS)) {
tmp_attr.sa_vattr.va_mask = AT_SIZE | AT_NBLOCKS;
error = VOP_GETATTR(vp, &tmp_attr.sa_vattr,
flags, cr, &smb_ct);
if (error != 0)
return (error);
ret_attr->sa_vattr.va_size = tmp_attr.sa_vattr.va_size;
ret_attr->sa_vattr.va_nblocks =
tmp_attr.sa_vattr.va_nblocks;
}
}
if (ret_attr->sa_vattr.va_type == VDIR)
ret_attr->sa_dosattr |= FILE_ATTRIBUTE_DIRECTORY;
return (error);
}
