Ejemplo n.º 1
0
static int streams_xattr_fstat(vfs_handle_struct *handle, files_struct *fsp,
			       SMB_STRUCT_STAT *sbuf)
{
	struct smb_filename *smb_fname_base = NULL;
	int ret = -1;
	struct stream_io *io = (struct stream_io *)
		VFS_FETCH_FSP_EXTENSION(handle, fsp);

	if (io == NULL || fsp->base_fsp == NULL) {
		return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
	}

	DBG_DEBUG("streams_xattr_fstat called for %s\n", fsp_str_dbg(io->fsp));

	if (!streams_xattr_recheck(io)) {
		return -1;
	}

	/* Create an smb_filename with stream_name == NULL. */
	smb_fname_base = synthetic_smb_fname(talloc_tos(),
					io->base,
					NULL,
					NULL,
					fsp->fsp_name->flags);
	if (smb_fname_base == NULL) {
		errno = ENOMEM;
		return -1;
	}

	if (smb_fname_base->flags & SMB_FILENAME_POSIX_PATH) {
		ret = SMB_VFS_LSTAT(handle->conn, smb_fname_base);
	} else {
		ret = SMB_VFS_STAT(handle->conn, smb_fname_base);
	}
	*sbuf = smb_fname_base->st;

	if (ret == -1) {
		TALLOC_FREE(smb_fname_base);
		return -1;
	}

	sbuf->st_ex_size = get_xattr_size(handle->conn,
					smb_fname_base, io->xattr_name);
	if (sbuf->st_ex_size == -1) {
		TALLOC_FREE(smb_fname_base);
		SET_STAT_INVALID(*sbuf);
		return -1;
	}

	DEBUG(10, ("sbuf->st_ex_size = %d\n", (int)sbuf->st_ex_size));

	sbuf->st_ex_ino = stream_inode(sbuf, io->xattr_name);
	sbuf->st_ex_mode &= ~S_IFMT;
	sbuf->st_ex_mode &= ~S_IFDIR;
        sbuf->st_ex_mode |= S_IFREG;
        sbuf->st_ex_blocks = sbuf->st_ex_size / STAT_ST_BLOCKSIZE + 1;

	TALLOC_FREE(smb_fname_base);
	return 0;
}
Ejemplo n.º 2
0
static int streams_xattr_stat(vfs_handle_struct *handle,
			      struct smb_filename *smb_fname)
{
	NTSTATUS status;
	int result = -1;
	char *xattr_name = NULL;

	if (!is_ntfs_stream_smb_fname(smb_fname)) {
		return SMB_VFS_NEXT_STAT(handle, smb_fname);
	}

	/* Note if lp_posix_paths() is true, we can never
	 * get here as is_ntfs_stream_smb_fname() is
	 * always false. So we never need worry about
	 * not following links here. */

	/* If the default stream is requested, just stat the base file. */
	if (is_ntfs_default_stream_smb_fname(smb_fname)) {
		return streams_xattr_stat_base(handle, smb_fname, true);
	}

	/* Populate the stat struct with info from the base file. */
	if (streams_xattr_stat_base(handle, smb_fname, true) == -1) {
		return -1;
	}

	/* Derive the xattr name to lookup. */
	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);
		return -1;
	}

	/* Augment the base file's stat information before returning. */
	smb_fname->st.st_ex_size = get_xattr_size(handle->conn,
						  smb_fname,
						  xattr_name);
	if (smb_fname->st.st_ex_size == -1) {
		SET_STAT_INVALID(smb_fname->st);
		errno = ENOENT;
		result = -1;
		goto fail;
	}

	smb_fname->st.st_ex_ino = stream_inode(&smb_fname->st, xattr_name);
	smb_fname->st.st_ex_mode &= ~S_IFMT;
	smb_fname->st.st_ex_mode &= ~S_IFDIR;
        smb_fname->st.st_ex_mode |= S_IFREG;
        smb_fname->st.st_ex_blocks =
	    smb_fname->st.st_ex_size / STAT_ST_BLOCKSIZE + 1;

	result = 0;
 fail:
	TALLOC_FREE(xattr_name);
	return result;
}
Ejemplo n.º 3
0
static int streams_xattr_fstat(vfs_handle_struct *handle, files_struct *fsp,
			       SMB_STRUCT_STAT *sbuf)
{
	struct smb_filename *smb_fname_base = NULL;
	NTSTATUS status;
	int ret = -1;
	struct stream_io *io = (struct stream_io *)
		VFS_FETCH_FSP_EXTENSION(handle, fsp);

	DEBUG(10, ("streams_xattr_fstat called for %d\n", fsp->fh->fd));

	if (io == NULL || fsp->base_fsp == NULL) {
		return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
	}

	if (!streams_xattr_recheck(io)) {
		return -1;
	}

	/* Create an smb_filename with stream_name == NULL. */
	status = create_synthetic_smb_fname(talloc_tos(),
					    io->base,
					    NULL, NULL,
					    &smb_fname_base);
	if (!NT_STATUS_IS_OK(status)) {
		errno = map_errno_from_nt_status(status);
		return -1;
	}

	if (lp_posix_pathnames()) {
		ret = SMB_VFS_LSTAT(handle->conn, smb_fname_base);
	} else {
		ret = SMB_VFS_STAT(handle->conn, smb_fname_base);
	}
	*sbuf = smb_fname_base->st;
	TALLOC_FREE(smb_fname_base);

	if (ret == -1) {
		return -1;
	}

	sbuf->st_ex_size = get_xattr_size(handle->conn, fsp->base_fsp,
					io->base, io->xattr_name);
	if (sbuf->st_ex_size == -1) {
		return -1;
	}

	DEBUG(10, ("sbuf->st_ex_size = %d\n", (int)sbuf->st_ex_size));

	sbuf->st_ex_ino = stream_inode(sbuf, io->xattr_name);
	sbuf->st_ex_mode &= ~S_IFMT;
        sbuf->st_ex_mode |= S_IFREG;
        sbuf->st_ex_blocks = sbuf->st_ex_size / STAT_ST_BLOCKSIZE + 1;

	return 0;
}