libnisdb/yptol/shim.c

78 /* Number of times to try to update a map before giving up */
93 	map_ctrl *map;
95 	/* Lock the map */
96 	map = get_map_ctrl(db);
97 	if (map == NULL)
100 	free_map_ctrl(map);
119 	map_ctrl *map;
121 	/* Lock the map */
122 	map = get_map_ctrl(db);
123 	if (map == NULL)
125 	if (1 != lock_map_ctrl(map))
129 		/* Delete from and ttl map. Not a huge disaster if it fails. */
130 		dbm_delete(map->ttl, key);
133 	ret = dbm_delete(map->entries, key);
135 	unlock_map_ctrl(map);
155 	map_ctrl *map;
157 	/* Lock the map */
158 	map = get_map_ctrl(db);
159 	if (map == NULL)
161 	if (1 != lock_map_ctrl(map))
165 		if (SUCCESS == update_entry_if_required(map, &key)) {
167 			ret = dbm_fetch(map->entries, key);
171 		ret = dbm_fetch(map->entries, key);
174 	unlock_map_ctrl(map);
194 	map_ctrl *map;
196 	/* Get the map control block */
197 	map = get_map_ctrl(db);
198 	if (map == NULL)
202 	ret = dbm_fetch(map->entries, key);
210  * DESCRIPTION: Get firstkey in an enumeration. If the map is out of date then
226 	map_ctrl *map;
228 	/* Lock the map */
229 	map = get_map_ctrl(db);
230 	if (map == NULL)
232 	if (1 != lock_map_ctrl(map))
239 		 * until the right map has been updated.
241 		for (count = 0; has_map_expired(map) &&
244 			 * Ideally ypxfr should wait for the map update
247 			 * because if there is a large map update the client
251 			update_map_if_required(map, wait_flag);
270 				dbm_close(map->entries);
271 				dbm_close(map->ttl);
272 				if (FAILURE == open_yptol_files(map)) {
284 					"Cannot update map %s", map->map_name);
287 	ret = dbm_firstkey(map->entries);
291 		set_key_data(map, &ret);
293 	unlock_map_ctrl(map);
313 	map_ctrl *map;
315 	/* Lock the map */
316 	map = get_map_ctrl(db);
317 	if (map == NULL)
319 	if (1 != lock_map_ctrl(map))
322 	ret = dbm_nextkey(map->entries);
326 		set_key_data(map, &ret);
329 	unlock_map_ctrl(map);
354 	map_ctrl *map;
356 	/* Lock the map */
357 	map = get_map_ctrl(db);
358 	if (map == NULL)
360 	if (1 != lock_map_ctrl(map))
363 	ret = dbm_do_nextkey(map->entries, inkey);
367 		set_key_data(map, &ret);
370 	unlock_map_ctrl(map);
385 	map_ctrl *map;
388 	/* Find or create map_ctrl for this map */
389 	map = create_map_ctrl((char *)file);
391 	if (map == NULL)
394 	/* Lock map */
395 	if (1 != lock_map_ctrl(map))
399 	map->open_flags = open_flags;
400 	map->open_mode = file_mode;
403 		ret = open_yptol_files(map);
407 		 * equivalent old style map file has not been
411 			check_old_map_date(map);
414 		/* Open entries map */
415 		map->entries = dbm_open(map->map_path, map->open_flags,
416 								map->open_mode);
418 		if (NULL != map->entries)
424 		unlock_map_ctrl(map);
425 		free_map_ctrl(map);
429 	unlock_map_ctrl(map);
433 	return ((DBM *)map);
457 	map_ctrl *map;
459 	/* Get map name */
460 	map = get_map_ctrl(db);
461 	if (map == NULL)
466 		if (!write_to_dit(map->map_name, map->domain, key, content,
471 	/* Lock the map */
472 	if (1 != lock_map_ctrl(map))
476 		if (!is_map_updating(map)) {
477 			ret = dbm_store(map->entries, key, content,
482 				update_entry_ttl(map, &key, TTL_RAND);
485 		ret = dbm_store(map->entries, key, content, store_mode);
488 	unlock_map_ctrl(map);
554  * DESCRIPTION:	Checks that an old style map has not been updated. If it has
558  * GIVEN :	A map_ctrl containing details of the NEW STYLE map.
563 check_old_map_date(map_ctrl *map)
571 	if (0 != stat(map->trad_map_path, &stats)) {
573 		 * No problem. We have a new style map but no old style map
580 	/* Set up datum with key for recorded old map update time */
583 	value = dbm_fetch(map->ttl, key);
602 			"mode. This will NOT initiate a NIS map push. In "
608 	 * a valid old map date (no problem, maybe this is the first time we
609 	 * checked). In either case the old map date entry must be update.
613 	dbm_store(map->ttl, key, value, DBM_REPLACE);
619  * DESCRIPTION:	Initializes all the systems related to map locking. This must
623  *		not wait for map updates to complete, or other NIS components
643 	/* Init map locks */