static int
zfs_replay_setattr(zfsvfs_t *zfsvfs, lr_setattr_t *lr, boolean_t byteswap)
{
znode_t *zp;
xvattr_t xva;
vattr_t *vap = &xva.xva_vattr;
int error;
void *start;
xva_init(&xva);
if (byteswap) {
byteswap_uint64_array(lr, sizeof (*lr));
if ((lr->lr_mask & AT_XVATTR) &&
zfsvfs->z_version >= ZPL_VERSION_INITIAL)
zfs_replay_swap_attrs((lr_attr_t *)(lr + 1));
}
if ((error = zfs_zget(zfsvfs, lr->lr_foid, &zp)) != 0) {
/*
* As we can log setattrs out of order, it's possible the
* file has been removed. In this case just drop the setattr
* and return success.
*/
if (error == ENOENT)
error = 0;
return (error);
}
zfs_init_vattr(vap, lr->lr_mask, lr->lr_mode,
lr->lr_uid, lr->lr_gid, 0, lr->lr_foid);
vap->va_size = lr->lr_size;
ZFS_TIME_DECODE(&vap->va_atime, lr->lr_atime);
ZFS_TIME_DECODE(&vap->va_mtime, lr->lr_mtime);
/*
* Fill in xvattr_t portions if necessary.
*/
start = (lr_setattr_t *)(lr + 1);
if (vap->va_mask & AT_XVATTR) {
zfs_replay_xvattr((lr_attr_t *)start, &xva);
start = (caddr_t)start +
ZIL_XVAT_SIZE(((lr_attr_t *)start)->lr_attr_masksize);
} else
xva.xva_vattr.va_mask &= ~AT_XVATTR;
zfsvfs->z_fuid_replay = zfs_replay_fuid_domain(start, &start,
lr->lr_uid, lr->lr_gid);
error = VOP_SETATTR(ZTOV(zp), vap, 0, kcred, NULL);
zfs_fuid_info_free(zfsvfs->z_fuid_replay);
zfsvfs->z_fuid_replay = NULL;
VN_RELE(ZTOV(zp));
return (error);
}
static int
zfs_replay_setattr(void *arg1, void *arg2, boolean_t byteswap)
{
zfsvfs_t *zfsvfs = arg1;
lr_setattr_t *lr = arg2;
znode_t *zp;
xvattr_t xva;
vattr_t *vap = &xva.xva_vattr;
vnode_t *vp;
int error;
void *start;
xva_init(&xva);
if (byteswap) {
byteswap_uint64_array(lr, sizeof (*lr));
if ((lr->lr_mask & AT_XVATTR) &&
zfsvfs->z_version >= ZPL_VERSION_INITIAL)
zfs_replay_swap_attrs((lr_attr_t *)(lr + 1));
}
if ((error = zfs_zget(zfsvfs, lr->lr_foid, &zp)) != 0)
return (error);
zfs_init_vattr(vap, lr->lr_mask, lr->lr_mode,
lr->lr_uid, lr->lr_gid, 0, lr->lr_foid);
vap->va_size = lr->lr_size;
ZFS_TIME_DECODE(&vap->va_atime, lr->lr_atime);
ZFS_TIME_DECODE(&vap->va_mtime, lr->lr_mtime);
/*
* Fill in xvattr_t portions if necessary.
*/
start = (lr_setattr_t *)(lr + 1);
if (vap->va_mask & AT_XVATTR) {
zfs_replay_xvattr((lr_attr_t *)start, &xva);
start = (caddr_t)start +
ZIL_XVAT_SIZE(((lr_attr_t *)start)->lr_attr_masksize);
} else
xva.xva_vattr.va_mask &= ~AT_XVATTR;
zfsvfs->z_fuid_replay = zfs_replay_fuid_domain(start, &start,
lr->lr_uid, lr->lr_gid);
vp = ZTOV(zp);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
error = VOP_SETATTR(vp, vap, kcred);
VOP_UNLOCK(vp, 0);
zfs_fuid_info_free(zfsvfs->z_fuid_replay);
zfsvfs->z_fuid_replay = NULL;
VN_RELE(vp);
return (error);
}
static int
zfs_replay_setattr(zfsvfs_t *zfsvfs, lr_setattr_t *lr, boolean_t byteswap)
{
znode_t *zp;
xvattr_t xva;
vattr_t *vap = &xva.xva_vattr;
int error;
void *start;
xva_init(&xva);
if (byteswap) {
byteswap_uint64_array(lr, sizeof (*lr));
if ((lr->lr_mask & ATTR_XVATTR) &&
zfsvfs->z_version >= ZPL_VERSION_INITIAL)
zfs_replay_swap_attrs((lr_attr_t *)(lr + 1));
}
if ((error = zfs_zget(zfsvfs, lr->lr_foid, &zp)) != 0)
return (error);
zfs_init_vattr(vap, lr->lr_mask, lr->lr_mode,
lr->lr_uid, lr->lr_gid, 0, lr->lr_foid);
vap->va_size = lr->lr_size;
ZFS_TIME_DECODE(&vap->va_atime, lr->lr_atime);
ZFS_TIME_DECODE(&vap->va_mtime, lr->lr_mtime);
gethrestime(&vap->va_ctime);
vap->va_mask |= ATTR_CTIME;
/*
* Fill in xvattr_t portions if necessary.
*/
start = (lr_setattr_t *)(lr + 1);
if (vap->va_mask & ATTR_XVATTR) {
zfs_replay_xvattr((lr_attr_t *)start, &xva);
start = (caddr_t)start +
ZIL_XVAT_SIZE(((lr_attr_t *)start)->lr_attr_masksize);
} else
xva.xva_vattr.va_mask &= ~ATTR_XVATTR;
zfsvfs->z_fuid_replay = zfs_replay_fuid_domain(start, &start,
lr->lr_uid, lr->lr_gid);
error = zfs_setattr(ZTOI(zp), vap, 0, kcred);
zfs_fuid_info_free(zfsvfs->z_fuid_replay);
zfsvfs->z_fuid_replay = NULL;
iput(ZTOI(zp));
return (error);
}
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);
}
static int
xattr_copy(vnode_t *sdvp, char *snm, vnode_t *tdvp, char *tnm,
cred_t *cr, caller_context_t *ct)
{
xvattr_t xvattr;
vnode_t *pdvp;
int error;
/*
* Only copy system attrs if the views are the same
*/
if (strcmp(snm, tnm) != 0)
return (EINVAL);
xva_init(&xvattr);
XVA_SET_REQ(&xvattr, XAT_SYSTEM);
XVA_SET_REQ(&xvattr, XAT_READONLY);
XVA_SET_REQ(&xvattr, XAT_HIDDEN);
XVA_SET_REQ(&xvattr, XAT_ARCHIVE);
XVA_SET_REQ(&xvattr, XAT_APPENDONLY);
XVA_SET_REQ(&xvattr, XAT_NOUNLINK);
XVA_SET_REQ(&xvattr, XAT_IMMUTABLE);
XVA_SET_REQ(&xvattr, XAT_NODUMP);
XVA_SET_REQ(&xvattr, XAT_AV_MODIFIED);
XVA_SET_REQ(&xvattr, XAT_AV_QUARANTINED);
XVA_SET_REQ(&xvattr, XAT_CREATETIME);
XVA_SET_REQ(&xvattr, XAT_REPARSE);
XVA_SET_REQ(&xvattr, XAT_OFFLINE);
XVA_SET_REQ(&xvattr, XAT_SPARSE);
pdvp = gfs_file_parent(sdvp);
error = VOP_GETATTR(pdvp, &xvattr.xva_vattr, 0, cr, ct);
if (error)
return (error);
pdvp = gfs_file_parent(tdvp);
error = VOP_SETATTR(pdvp, &xvattr.xva_vattr, 0, cr, ct);
return (error);
}
static int
zfs_replay_create(zfsvfs_t *zfsvfs, lr_create_t *lr, boolean_t byteswap)
{
char *name = NULL; /* location determined later */
char *link; /* symlink content follows name */
znode_t *dzp;
vnode_t *vp = NULL;
xvattr_t xva;
int vflg = 0;
size_t lrsize = sizeof (lr_create_t);
lr_attr_t *lrattr;
void *start;
size_t xvatlen;
uint64_t txtype;
struct componentname cn;
int error;
txtype = (lr->lr_common.lrc_txtype & ~TX_CI);
if (byteswap) {
byteswap_uint64_array(lr, sizeof (*lr));
if (txtype == TX_CREATE_ATTR || txtype == TX_MKDIR_ATTR)
zfs_replay_swap_attrs((lr_attr_t *)(lr + 1));
}
if ((error = zfs_zget(zfsvfs, lr->lr_doid, &dzp)) != 0)
return (error);
xva_init(&xva);
zfs_init_vattr(&xva.xva_vattr, AT_TYPE | AT_MODE | AT_UID | AT_GID,
lr->lr_mode, lr->lr_uid, lr->lr_gid, lr->lr_rdev, lr->lr_foid);
/*
* All forms of zfs create (create, mkdir, mkxattrdir, symlink)
* eventually end up in zfs_mknode(), which assigns the object's
* creation time and generation number. The generic VOP_CREATE()
* doesn't have either concept, so we smuggle the values inside
* the vattr's otherwise unused va_ctime and va_nblocks fields.
*/
ZFS_TIME_DECODE(&xva.xva_vattr.va_ctime, lr->lr_crtime);
xva.xva_vattr.va_nblocks = lr->lr_gen;
error = dmu_object_info(zfsvfs->z_os, lr->lr_foid, NULL);
if (error != ENOENT)
goto out;
if (lr->lr_common.lrc_txtype & TX_CI)
vflg |= FIGNORECASE;
/*
* Symlinks don't have fuid info, and CIFS never creates
* symlinks.
*
* The _ATTR versions will grab the fuid info in their subcases.
*/
if ((int)lr->lr_common.lrc_txtype != TX_SYMLINK &&
(int)lr->lr_common.lrc_txtype != TX_MKDIR_ATTR &&
(int)lr->lr_common.lrc_txtype != TX_CREATE_ATTR) {
start = (lr + 1);
zfsvfs->z_fuid_replay =
zfs_replay_fuid_domain(start, &start,
lr->lr_uid, lr->lr_gid);
}
cn.cn_cred = kcred;
cn.cn_thread = curthread;
cn.cn_flags = SAVENAME;
vn_lock(ZTOV(dzp), LK_EXCLUSIVE | LK_RETRY);
switch (txtype) {
case TX_CREATE_ATTR:
lrattr = (lr_attr_t *)(caddr_t)(lr + 1);
xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
zfs_replay_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), &xva);
start = (caddr_t)(lr + 1) + xvatlen;
zfsvfs->z_fuid_replay =
zfs_replay_fuid_domain(start, &start,
lr->lr_uid, lr->lr_gid);
name = (char *)start;
/*FALLTHROUGH*/
case TX_CREATE:
if (name == NULL)
name = (char *)start;
cn.cn_nameptr = name;
error = VOP_CREATE(ZTOV(dzp), &vp, &cn, &xva.xva_vattr /*,vflg*/);
break;
case TX_MKDIR_ATTR:
lrattr = (lr_attr_t *)(caddr_t)(lr + 1);
xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
zfs_replay_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), &xva);
start = (caddr_t)(lr + 1) + xvatlen;
zfsvfs->z_fuid_replay =
zfs_replay_fuid_domain(start, &start,
lr->lr_uid, lr->lr_gid);
name = (char *)start;
/*FALLTHROUGH*/
case TX_MKDIR:
if (name == NULL)
name = (char *)(lr + 1);
cn.cn_nameptr = name;
error = VOP_MKDIR(ZTOV(dzp), &vp, &cn, &xva.xva_vattr /*,vflg*/);
break;
case TX_MKXATTR:
error = zfs_make_xattrdir(dzp, &xva.xva_vattr, &vp, kcred);
break;
case TX_SYMLINK:
name = (char *)(lr + 1);
link = name + strlen(name) + 1;
cn.cn_nameptr = name;
error = VOP_SYMLINK(ZTOV(dzp), &vp, &cn, &xva.xva_vattr, link /*,vflg*/);
break;
default:
error = ENOTSUP;
}
VOP_UNLOCK(ZTOV(dzp), 0);
out:
if (error == 0 && vp != NULL)
VN_URELE(vp);
VN_RELE(ZTOV(dzp));
if (zfsvfs->z_fuid_replay)
zfs_fuid_info_free(zfsvfs->z_fuid_replay);
zfsvfs->z_fuid_replay = NULL;
return (error);
}
/*
* Replay file create with optional ACL, xvattr information as well
* as option FUID information.
*/
static int
zfs_replay_create_acl(zfsvfs_t *zfsvfs,
lr_acl_create_t *lracl, boolean_t byteswap)
{
char *name = NULL; /* location determined later */
lr_create_t *lr = (lr_create_t *)lracl;
znode_t *dzp;
vnode_t *vp = NULL;
xvattr_t xva;
int vflg = 0;
vsecattr_t vsec = { 0 };
lr_attr_t *lrattr;
void *aclstart;
void *fuidstart;
size_t xvatlen = 0;
uint64_t txtype;
int error;
txtype = (lr->lr_common.lrc_txtype & ~TX_CI);
if (byteswap) {
byteswap_uint64_array(lracl, sizeof (*lracl));
if (txtype == TX_CREATE_ACL_ATTR ||
txtype == TX_MKDIR_ACL_ATTR) {
lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
zfs_replay_swap_attrs(lrattr);
xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
}
aclstart = (caddr_t)(lracl + 1) + xvatlen;
zfs_ace_byteswap(aclstart, lracl->lr_acl_bytes, B_FALSE);
/* swap fuids */
if (lracl->lr_fuidcnt) {
byteswap_uint64_array((caddr_t)aclstart +
ZIL_ACE_LENGTH(lracl->lr_acl_bytes),
lracl->lr_fuidcnt * sizeof (uint64_t));
}
}
if ((error = zfs_zget(zfsvfs, lr->lr_doid, &dzp)) != 0)
return (error);
xva_init(&xva);
zfs_init_vattr(&xva.xva_vattr, AT_TYPE | AT_MODE | AT_UID | AT_GID,
lr->lr_mode, lr->lr_uid, lr->lr_gid, lr->lr_rdev, lr->lr_foid);
/*
* All forms of zfs create (create, mkdir, mkxattrdir, symlink)
* eventually end up in zfs_mknode(), which assigns the object's
* creation time and generation number. The generic VOP_CREATE()
* doesn't have either concept, so we smuggle the values inside
* the vattr's otherwise unused va_ctime and va_nblocks fields.
*/
ZFS_TIME_DECODE(&xva.xva_vattr.va_ctime, lr->lr_crtime);
xva.xva_vattr.va_nblocks = lr->lr_gen;
error = dmu_object_info(zfsvfs->z_os, lr->lr_foid, NULL);
if (error != ENOENT)
goto bail;
if (lr->lr_common.lrc_txtype & TX_CI)
vflg |= FIGNORECASE;
switch (txtype) {
case TX_CREATE_ACL:
aclstart = (caddr_t)(lracl + 1);
fuidstart = (caddr_t)aclstart +
ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
zfsvfs->z_fuid_replay = zfs_replay_fuids(fuidstart,
(void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
lr->lr_uid, lr->lr_gid);
/*FALLTHROUGH*/
case TX_CREATE_ACL_ATTR:
if (name == NULL) {
lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
xva.xva_vattr.va_mask |= AT_XVATTR;
zfs_replay_xvattr(lrattr, &xva);
}
vsec.vsa_mask = VSA_ACE | VSA_ACE_ACLFLAGS;
vsec.vsa_aclentp = (caddr_t)(lracl + 1) + xvatlen;
vsec.vsa_aclcnt = lracl->lr_aclcnt;
vsec.vsa_aclentsz = lracl->lr_acl_bytes;
vsec.vsa_aclflags = lracl->lr_acl_flags;
if (zfsvfs->z_fuid_replay == NULL) {
fuidstart = (caddr_t)(lracl + 1) + xvatlen +
ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
zfsvfs->z_fuid_replay =
zfs_replay_fuids(fuidstart,
(void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
lr->lr_uid, lr->lr_gid);
}
#ifdef TODO
error = VOP_CREATE(ZTOV(dzp), name, &xva.xva_vattr,
0, 0, &vp, kcred, vflg, NULL, &vsec);
#else
panic("%s:%u: unsupported condition", __func__, __LINE__);
#endif
break;
case TX_MKDIR_ACL:
aclstart = (caddr_t)(lracl + 1);
fuidstart = (caddr_t)aclstart +
ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
zfsvfs->z_fuid_replay = zfs_replay_fuids(fuidstart,
(void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
lr->lr_uid, lr->lr_gid);
/*FALLTHROUGH*/
case TX_MKDIR_ACL_ATTR:
if (name == NULL) {
lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
zfs_replay_xvattr(lrattr, &xva);
}
vsec.vsa_mask = VSA_ACE | VSA_ACE_ACLFLAGS;
vsec.vsa_aclentp = (caddr_t)(lracl + 1) + xvatlen;
vsec.vsa_aclcnt = lracl->lr_aclcnt;
vsec.vsa_aclentsz = lracl->lr_acl_bytes;
vsec.vsa_aclflags = lracl->lr_acl_flags;
if (zfsvfs->z_fuid_replay == NULL) {
fuidstart = (caddr_t)(lracl + 1) + xvatlen +
ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
zfsvfs->z_fuid_replay =
zfs_replay_fuids(fuidstart,
(void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
lr->lr_uid, lr->lr_gid);
}
#ifdef TODO
error = VOP_MKDIR(ZTOV(dzp), name, &xva.xva_vattr,
&vp, kcred, NULL, vflg, &vsec);
#else
panic("%s:%u: unsupported condition", __func__, __LINE__);
#endif
break;
default:
error = ENOTSUP;
}
bail:
if (error == 0 && vp != NULL)
VN_RELE(vp);
VN_RELE(ZTOV(dzp));
if (zfsvfs->z_fuid_replay)
zfs_fuid_info_free(zfsvfs->z_fuid_replay);
zfsvfs->z_fuid_replay = NULL;
return (error);
}
/* 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);
}
static int
zfs_replay_create(zfsvfs_t *zfsvfs, lr_create_t *lr, boolean_t byteswap)
{
char *name = NULL; /* location determined later */
char *link; /* symlink content follows name */
znode_t *dzp;
struct inode *ip = NULL;
xvattr_t xva;
int vflg = 0;
size_t lrsize = sizeof (lr_create_t);
lr_attr_t *lrattr;
void *start;
size_t xvatlen;
uint64_t txtype;
uint64_t objid;
uint64_t dnodesize;
int error;
txtype = (lr->lr_common.lrc_txtype & ~TX_CI);
if (byteswap) {
byteswap_uint64_array(lr, sizeof (*lr));
if (txtype == TX_CREATE_ATTR || txtype == TX_MKDIR_ATTR)
zfs_replay_swap_attrs((lr_attr_t *)(lr + 1));
}
if ((error = zfs_zget(zfsvfs, lr->lr_doid, &dzp)) != 0)
return (error);
objid = LR_FOID_GET_OBJ(lr->lr_foid);
dnodesize = LR_FOID_GET_SLOTS(lr->lr_foid) << DNODE_SHIFT;
xva_init(&xva);
zfs_init_vattr(&xva.xva_vattr, ATTR_MODE | ATTR_UID | ATTR_GID,
lr->lr_mode, lr->lr_uid, lr->lr_gid, lr->lr_rdev, objid);
/*
* All forms of zfs create (create, mkdir, mkxattrdir, symlink)
* eventually end up in zfs_mknode(), which assigns the object's
* creation time, generation number, and dnode slot count. The
* generic zfs_create() has no concept of these attributes, so
* we smuggle the values inside * the vattr's otherwise unused
* va_ctime, va_nblocks, and va_nlink fields.
*/
ZFS_TIME_DECODE(&xva.xva_vattr.va_ctime, lr->lr_crtime);
xva.xva_vattr.va_nblocks = lr->lr_gen;
xva.xva_vattr.va_fsid = dnodesize;
error = dmu_object_info(zfsvfs->z_os, objid, NULL);
if (error != ENOENT)
goto out;
if (lr->lr_common.lrc_txtype & TX_CI)
vflg |= FIGNORECASE;
/*
* Symlinks don't have fuid info, and CIFS never creates
* symlinks.
*
* The _ATTR versions will grab the fuid info in their subcases.
*/
if ((int)lr->lr_common.lrc_txtype != TX_SYMLINK &&
(int)lr->lr_common.lrc_txtype != TX_MKDIR_ATTR &&
(int)lr->lr_common.lrc_txtype != TX_CREATE_ATTR) {
start = (lr + 1);
zfsvfs->z_fuid_replay =
zfs_replay_fuid_domain(start, &start,
lr->lr_uid, lr->lr_gid);
}
switch (txtype) {
case TX_CREATE_ATTR:
lrattr = (lr_attr_t *)(caddr_t)(lr + 1);
xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
zfs_replay_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), &xva);
start = (caddr_t)(lr + 1) + xvatlen;
zfsvfs->z_fuid_replay =
zfs_replay_fuid_domain(start, &start,
lr->lr_uid, lr->lr_gid);
name = (char *)start;
/*FALLTHROUGH*/
case TX_CREATE:
if (name == NULL)
name = (char *)start;
error = zfs_create(ZTOI(dzp), name, &xva.xva_vattr,
0, 0, &ip, kcred, vflg, NULL);
break;
case TX_MKDIR_ATTR:
lrattr = (lr_attr_t *)(caddr_t)(lr + 1);
xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
zfs_replay_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), &xva);
start = (caddr_t)(lr + 1) + xvatlen;
zfsvfs->z_fuid_replay =
zfs_replay_fuid_domain(start, &start,
lr->lr_uid, lr->lr_gid);
name = (char *)start;
/*FALLTHROUGH*/
case TX_MKDIR:
if (name == NULL)
name = (char *)(lr + 1);
error = zfs_mkdir(ZTOI(dzp), name, &xva.xva_vattr,
&ip, kcred, vflg, NULL);
break;
case TX_MKXATTR:
error = zfs_make_xattrdir(dzp, &xva.xva_vattr, &ip, kcred);
break;
case TX_SYMLINK:
name = (char *)(lr + 1);
link = name + strlen(name) + 1;
error = zfs_symlink(ZTOI(dzp), name, &xva.xva_vattr,
link, &ip, kcred, vflg);
break;
default:
error = SET_ERROR(ENOTSUP);
}
out:
if (error == 0 && ip != NULL)
iput(ip);
iput(ZTOI(dzp));
if (zfsvfs->z_fuid_replay)
zfs_fuid_info_free(zfsvfs->z_fuid_replay);
zfsvfs->z_fuid_replay = NULL;
return (error);
}
/*
* Replay file create with optional ACL, xvattr information as well
* as option FUID information.
*/
static int
zfs_replay_create_acl(zfsvfs_t *zfsvfs,
lr_acl_create_t *lracl, boolean_t byteswap)
{
char *name = NULL; /* location determined later */
lr_create_t *lr = (lr_create_t *)lracl;
znode_t *dzp;
struct inode *ip = NULL;
xvattr_t xva;
int vflg = 0;
vsecattr_t vsec = { 0 };
lr_attr_t *lrattr;
void *aclstart;
void *fuidstart;
size_t xvatlen = 0;
uint64_t txtype;
uint64_t objid;
uint64_t dnodesize;
int error;
txtype = (lr->lr_common.lrc_txtype & ~TX_CI);
if (byteswap) {
byteswap_uint64_array(lracl, sizeof (*lracl));
if (txtype == TX_CREATE_ACL_ATTR ||
txtype == TX_MKDIR_ACL_ATTR) {
lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
zfs_replay_swap_attrs(lrattr);
xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
}
aclstart = (caddr_t)(lracl + 1) + xvatlen;
zfs_ace_byteswap(aclstart, lracl->lr_acl_bytes, B_FALSE);
/* swap fuids */
if (lracl->lr_fuidcnt) {
byteswap_uint64_array((caddr_t)aclstart +
ZIL_ACE_LENGTH(lracl->lr_acl_bytes),
lracl->lr_fuidcnt * sizeof (uint64_t));
}
}
if ((error = zfs_zget(zfsvfs, lr->lr_doid, &dzp)) != 0)
return (error);
objid = LR_FOID_GET_OBJ(lr->lr_foid);
dnodesize = LR_FOID_GET_SLOTS(lr->lr_foid) << DNODE_SHIFT;
xva_init(&xva);
zfs_init_vattr(&xva.xva_vattr, ATTR_MODE | ATTR_UID | ATTR_GID,
lr->lr_mode, lr->lr_uid, lr->lr_gid, lr->lr_rdev, objid);
/*
* All forms of zfs create (create, mkdir, mkxattrdir, symlink)
* eventually end up in zfs_mknode(), which assigns the object's
* creation time, generation number, and dnode size. The generic
* zfs_create() has no concept of these attributes, so we smuggle
* the values inside the vattr's otherwise unused va_ctime,
* va_nblocks, and va_fsid fields.
*/
ZFS_TIME_DECODE(&xva.xva_vattr.va_ctime, lr->lr_crtime);
xva.xva_vattr.va_nblocks = lr->lr_gen;
xva.xva_vattr.va_fsid = dnodesize;
error = dmu_object_info(zfsvfs->z_os, lr->lr_foid, NULL);
if (error != ENOENT)
goto bail;
if (lr->lr_common.lrc_txtype & TX_CI)
vflg |= FIGNORECASE;
switch (txtype) {
case TX_CREATE_ACL:
aclstart = (caddr_t)(lracl + 1);
fuidstart = (caddr_t)aclstart +
ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
zfsvfs->z_fuid_replay = zfs_replay_fuids(fuidstart,
(void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
lr->lr_uid, lr->lr_gid);
/*FALLTHROUGH*/
case TX_CREATE_ACL_ATTR:
if (name == NULL) {
lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
xva.xva_vattr.va_mask |= ATTR_XVATTR;
zfs_replay_xvattr(lrattr, &xva);
}
vsec.vsa_mask = VSA_ACE | VSA_ACE_ACLFLAGS;
vsec.vsa_aclentp = (caddr_t)(lracl + 1) + xvatlen;
vsec.vsa_aclcnt = lracl->lr_aclcnt;
vsec.vsa_aclentsz = lracl->lr_acl_bytes;
vsec.vsa_aclflags = lracl->lr_acl_flags;
if (zfsvfs->z_fuid_replay == NULL) {
fuidstart = (caddr_t)(lracl + 1) + xvatlen +
ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
zfsvfs->z_fuid_replay =
zfs_replay_fuids(fuidstart,
(void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
lr->lr_uid, lr->lr_gid);
}
error = zfs_create(ZTOI(dzp), name, &xva.xva_vattr,
0, 0, &ip, kcred, vflg, &vsec);
break;
case TX_MKDIR_ACL:
aclstart = (caddr_t)(lracl + 1);
fuidstart = (caddr_t)aclstart +
ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
zfsvfs->z_fuid_replay = zfs_replay_fuids(fuidstart,
(void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
lr->lr_uid, lr->lr_gid);
/*FALLTHROUGH*/
case TX_MKDIR_ACL_ATTR:
if (name == NULL) {
lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
zfs_replay_xvattr(lrattr, &xva);
}
vsec.vsa_mask = VSA_ACE | VSA_ACE_ACLFLAGS;
vsec.vsa_aclentp = (caddr_t)(lracl + 1) + xvatlen;
vsec.vsa_aclcnt = lracl->lr_aclcnt;
vsec.vsa_aclentsz = lracl->lr_acl_bytes;
vsec.vsa_aclflags = lracl->lr_acl_flags;
if (zfsvfs->z_fuid_replay == NULL) {
fuidstart = (caddr_t)(lracl + 1) + xvatlen +
ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
zfsvfs->z_fuid_replay =
zfs_replay_fuids(fuidstart,
(void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
lr->lr_uid, lr->lr_gid);
}
error = zfs_mkdir(ZTOI(dzp), name, &xva.xva_vattr,
&ip, kcred, vflg, &vsec);
break;
default:
error = SET_ERROR(ENOTSUP);
}
bail:
if (error == 0 && ip != NULL)
iput(ip);
iput(ZTOI(dzp));
if (zfsvfs->z_fuid_replay)
zfs_fuid_info_free(zfsvfs->z_fuid_replay);
zfsvfs->z_fuid_replay = NULL;
return (error);
}
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);
}
