static NTSTATUS get_file_handle_for_metadata(connection_struct *conn,
struct smb_filename *smb_fname,
files_struct **ret_fsp,
bool *need_close)
{
NTSTATUS status;
files_struct *fsp;
struct file_id file_id;
*need_close = false;
if (!VALID_STAT(smb_fname->st)) {
return NT_STATUS_INVALID_PARAMETER;
}
file_id = vfs_file_id_from_sbuf(conn, &smb_fname->st);
for(fsp = file_find_di_first(conn->sconn, file_id);
fsp;
fsp = file_find_di_next(fsp)) {
if (fsp->fh->fd != -1) {
*ret_fsp = fsp;
return NT_STATUS_OK;
}
}
/* Opens an INTERNAL_OPEN_ONLY write handle. */
status = SMB_VFS_CREATE_FILE(
conn, /* conn */
NULL, /* req */
0, /* root_dir_fid */
smb_fname, /* fname */
FILE_WRITE_DATA, /* access_mask */
(FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
FILE_SHARE_DELETE),
FILE_OPEN, /* create_disposition*/
0, /* create_options */
0, /* file_attributes */
INTERNAL_OPEN_ONLY, /* oplock_request */
NULL, /* lease */
0, /* allocation_size */
0, /* private_flags */
NULL, /* sd */
NULL, /* ea_list */
ret_fsp, /* result */
NULL, /* pinfo */
NULL, NULL); /* create context */
if (NT_STATUS_IS_OK(status)) {
*need_close = true;
}
return status;
}
static int acl_common_remove_object(vfs_handle_struct *handle,
const char *path,
bool is_directory)
{
connection_struct *conn = handle->conn;
struct file_id id;
files_struct *fsp = NULL;
int ret = 0;
char *parent_dir = NULL;
const char *final_component = NULL;
struct smb_filename local_fname;
int saved_errno = 0;
if (!parent_dirname(talloc_tos(), path,
&parent_dir, &final_component)) {
saved_errno = ENOMEM;
goto out;
}
DEBUG(10,("acl_common_remove_object: removing %s %s/%s\n",
is_directory ? "directory" : "file",
parent_dir, final_component ));
/* cd into the parent dir to pin it. */
ret = SMB_VFS_CHDIR(conn, parent_dir);
if (ret == -1) {
saved_errno = errno;
goto out;
}
ZERO_STRUCT(local_fname);
local_fname.base_name = CONST_DISCARD(char *,final_component);
/* Must use lstat here. */
ret = SMB_VFS_LSTAT(conn, &local_fname);
if (ret == -1) {
saved_errno = errno;
goto out;
}
/* Ensure we have this file open with DELETE access. */
id = vfs_file_id_from_sbuf(conn, &local_fname.st);
for (fsp = file_find_di_first(id); fsp; file_find_di_next(fsp)) {
if (fsp->access_mask & DELETE_ACCESS &&
fsp->delete_on_close) {
/* We did open this for delete,
* allow the delete as root.
*/
break;
}
}
if (!fsp) {
DEBUG(10,("acl_common_remove_object: %s %s/%s "
"not an open file\n",
is_directory ? "directory" : "file",
parent_dir, final_component ));
saved_errno = EACCES;
goto out;
}
become_root();
if (is_directory) {
ret = SMB_VFS_NEXT_RMDIR(handle, final_component);
} else {
ret = SMB_VFS_NEXT_UNLINK(handle, &local_fname);
}
unbecome_root();
if (ret == -1) {
saved_errno = errno;
}
out:
TALLOC_FREE(parent_dir);
vfs_ChDir(conn, conn->connectpath);
if (saved_errno) {
errno = saved_errno;
}
return ret;
}
