Exemplo n.º 1
0
/*
  fill in the dos file attributes for a file
*/
NTSTATUS pvfs_fill_dos_info(struct pvfs_state *pvfs, struct pvfs_filename *name,
			    unsigned int flags, int fd)
{
	NTSTATUS status;
	DATA_BLOB lkey;
	NTTIME write_time;

	/* make directories appear as size 0 with 1 link */
	if (S_ISDIR(name->st.st_mode)) {
		name->st.st_size = 0;
		name->st.st_nlink = 1;
	} else if (name->stream_id == 0) {
		name->stream_name = NULL;
	}

	/* for now just use the simple samba mapping */
	unix_to_nt_time(&name->dos.create_time, name->st.st_ctime);
	unix_to_nt_time(&name->dos.access_time, name->st.st_atime);
	unix_to_nt_time(&name->dos.write_time,  name->st.st_mtime);
	unix_to_nt_time(&name->dos.change_time, name->st.st_ctime);
#ifdef HAVE_STAT_TV_NSEC
	name->dos.create_time += name->st.st_ctim.tv_nsec / 100;
	name->dos.access_time += name->st.st_atim.tv_nsec / 100;
	name->dos.write_time  += name->st.st_mtim.tv_nsec / 100;
	name->dos.change_time += name->st.st_ctim.tv_nsec / 100;
#endif
	name->dos.attrib = dos_mode_from_stat(pvfs, &name->st);
	name->dos.alloc_size = pvfs_round_alloc_size(pvfs, name->st.st_size);
	name->dos.nlink = name->st.st_nlink;
	name->dos.ea_size = 4;  /* TODO: Fill this in without hitting the stream bad in pvfs_doseas_load() */
	if (pvfs->ntvfs->ctx->protocol >= PROTOCOL_SMB2_02) {
		/* SMB2 represents a null EA with zero bytes */
		name->dos.ea_size = 0;
	}
	
	name->dos.file_id = (((uint64_t)name->st.st_dev)<<32) | name->st.st_ino;
	name->dos.flags = 0;

	status = pvfs_dosattrib_load(pvfs, name, fd);
	NT_STATUS_NOT_OK_RETURN(status);

	if (flags & PVFS_RESOLVE_NO_OPENDB) {
		return NT_STATUS_OK;
	}

	status = pvfs_locking_key(name, name, &lkey);
	NT_STATUS_NOT_OK_RETURN(status);

	status = odb_get_file_infos(pvfs->odb_context, &lkey,
				    NULL, &write_time);
	data_blob_free(&lkey);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(1,("WARNING: odb_get_file_infos: %s\n", nt_errstr(status)));
		return status;
	}

	if (!null_time(write_time)) {
		name->dos.write_time = write_time;
	}

	return NT_STATUS_OK;
}
Exemplo n.º 2
0
/*
  destroy a struct pvfs_file_handle
*/
static int pvfs_handle_destructor(struct pvfs_file_handle *h)
{
	int open_count;
	char *path = NULL;

	/* the write time is no longer sticky */
	if (h->sticky_write_time) {
		NTSTATUS status;
		status = pvfs_dosattrib_load(h->pvfs, h->name, h->fd);
		if (NT_STATUS_IS_OK(status)) {
			h->name->dos.flags &= ~XATTR_ATTRIB_FLAG_STICKY_WRITE_TIME;
			pvfs_dosattrib_save(h->pvfs, h->name, h->fd);
		}
	}
	
	if ((h->create_options & NTCREATEX_OPTIONS_DELETE_ON_CLOSE) &&
	    h->name->stream_name) {
		NTSTATUS status;
		status = pvfs_stream_delete(h->pvfs, h->name, h->fd);
		if (!NT_STATUS_IS_OK(status)) {
			DEBUG(0,("Failed to delete stream '%s' on close of '%s'\n",
				 h->name->stream_name, h->name->full_name));
		}
	}

	if (h->fd != -1) {
		if (close(h->fd) != 0) {
			DEBUG(0,("pvfs_handle_destructor: close(%d) failed for %s - %s\n",
				 h->fd, h->name->full_name, strerror(errno)));
		}
		h->fd = -1;
	}

	if (h->name->stream_name == NULL && 
	    pvfs_delete_on_close_set(h->pvfs, h, &open_count, &path) &&
	    open_count == 1) {
		NTSTATUS status;
		status = pvfs_xattr_unlink_hook(h->pvfs, path);
		if (!NT_STATUS_IS_OK(status)) {
			DEBUG(0,("Warning: xattr unlink hook failed for '%s' - %s\n",
				 path, nt_errstr(status)));
		}
		if (unlink(path) != 0) {
			DEBUG(0,("pvfs_close: failed to delete '%s' - %s\n", 
				 path, strerror(errno)));
		} else {
			notify_trigger(h->pvfs->notify_context, 
				       NOTIFY_ACTION_REMOVED, 
				       FILE_NOTIFY_CHANGE_FILE_NAME,
				       path);
		}
	}

	talloc_free(path);

	if (h->have_opendb_entry) {
		struct odb_lock *lck;
		NTSTATUS status;

		lck = odb_lock(h, h->pvfs->odb_context, &h->odb_locking_key);
		if (lck == NULL) {
			DEBUG(0,("Unable to lock opendb for close\n"));
			return 0;
		}

		status = odb_close_file(lck, h);
		if (!NT_STATUS_IS_OK(status)) {
			DEBUG(0,("Unable to remove opendb entry for '%s' - %s\n", 
				 h->name->full_name, nt_errstr(status)));
		}

		talloc_free(lck);
	}

	return 0;
}