static int streams_xattr_unlink(vfs_handle_struct *handle,
const struct smb_filename *smb_fname)
{
NTSTATUS status;
int ret = -1;
char *xattr_name = NULL;
if (!is_ntfs_stream_smb_fname(smb_fname)) {
return SMB_VFS_NEXT_UNLINK(handle, smb_fname);
}
/* If the default stream is requested, just open the base file. */
if (is_ntfs_default_stream_smb_fname(smb_fname)) {
struct smb_filename *smb_fname_base = NULL;
smb_fname_base = cp_smb_filename(talloc_tos(), smb_fname);
if (smb_fname_base == NULL) {
errno = ENOMEM;
return -1;
}
ret = SMB_VFS_NEXT_UNLINK(handle, smb_fname_base);
TALLOC_FREE(smb_fname_base);
return ret;
}
status = streams_xattr_get_name(handle, talloc_tos(),
smb_fname->stream_name, &xattr_name);
if (!NT_STATUS_IS_OK(status)) {
errno = map_errno_from_nt_status(status);
goto fail;
}
ret = SMB_VFS_REMOVEXATTR(handle->conn, smb_fname, xattr_name);
if ((ret == -1) && (errno == ENOATTR)) {
errno = ENOENT;
goto fail;
}
ret = 0;
fail:
TALLOC_FREE(xattr_name);
return ret;
}
static int sys_acl_set_file_xattr(vfs_handle_struct *handle,
const char *name,
SMB_ACL_TYPE_T type,
SMB_ACL_T theacl)
{
int ret = SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle,
name,
type,
theacl);
if (ret == -1) {
return -1;
}
become_root();
SMB_VFS_REMOVEXATTR(handle->conn, name, XATTR_NTACL_NAME);
unbecome_root();
return ret;
}
static int streams_xattr_rename(vfs_handle_struct *handle,
const struct smb_filename *smb_fname_src,
const struct smb_filename *smb_fname_dst)
{
NTSTATUS status;
int ret = -1;
char *src_xattr_name = NULL;
char *dst_xattr_name = NULL;
bool src_is_stream, dst_is_stream;
ssize_t oret;
ssize_t nret;
struct ea_struct ea;
src_is_stream = is_ntfs_stream_smb_fname(smb_fname_src);
dst_is_stream = is_ntfs_stream_smb_fname(smb_fname_dst);
if (!src_is_stream && !dst_is_stream) {
return SMB_VFS_NEXT_RENAME(handle, smb_fname_src,
smb_fname_dst);
}
/* For now don't allow renames from or to the default stream. */
if (is_ntfs_default_stream_smb_fname(smb_fname_src) ||
is_ntfs_default_stream_smb_fname(smb_fname_dst)) {
errno = ENOSYS;
goto done;
}
/* Don't rename if the streams are identical. */
if (strcasecmp_m(smb_fname_src->stream_name,
smb_fname_dst->stream_name) == 0) {
goto done;
}
/* Get the xattr names. */
status = streams_xattr_get_name(handle, talloc_tos(),
smb_fname_src->stream_name,
&src_xattr_name);
if (!NT_STATUS_IS_OK(status)) {
errno = map_errno_from_nt_status(status);
goto fail;
}
status = streams_xattr_get_name(handle, talloc_tos(),
smb_fname_dst->stream_name,
&dst_xattr_name);
if (!NT_STATUS_IS_OK(status)) {
errno = map_errno_from_nt_status(status);
goto fail;
}
/* read the old stream */
status = get_ea_value(talloc_tos(), handle->conn, NULL,
smb_fname_src, src_xattr_name, &ea);
if (!NT_STATUS_IS_OK(status)) {
errno = ENOENT;
goto fail;
}
/* (over)write the new stream */
nret = SMB_VFS_SETXATTR(handle->conn, smb_fname_src,
dst_xattr_name, ea.value.data, ea.value.length,
0);
if (nret < 0) {
if (errno == ENOATTR) {
errno = ENOENT;
}
goto fail;
}
/* remove the old stream */
oret = SMB_VFS_REMOVEXATTR(handle->conn, smb_fname_src,
src_xattr_name);
if (oret < 0) {
if (errno == ENOATTR) {
errno = ENOENT;
}
goto fail;
}
done:
errno = 0;
ret = 0;
fail:
TALLOC_FREE(src_xattr_name);
TALLOC_FREE(dst_xattr_name);
return ret;
}
