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Diffstat (limited to 'source/libsmb/trustdom_cache.c')
| -rw-r--r-- | source/libsmb/trustdom_cache.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/source/libsmb/trustdom_cache.c b/source/libsmb/trustdom_cache.c deleted file mode 100644 index cddbb2daa61..00000000000 --- a/source/libsmb/trustdom_cache.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - Unix SMB/CIFS implementation. - - Trusted domain names cache on top of gencache. - - Copyright (C) Rafal Szczesniak 2002 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "includes.h" - -#undef DBGC_CLASS -#define DBGC_CLASS DBGC_ALL /* there's no proper class yet */ - -#define TDOMKEY_FMT "TDOM/%s" - - -/** - * @file trustdom_cache.c - * - * Implementation of trusted domain names cache useful when - * samba acts as domain member server. In such case, caching - * domain names currently trusted gives a performance gain - * because there's no need to query PDC each time we need - * list of trusted domains - **/ - - -/** - * Initialise trustdom name caching system. Call gencache - * initialisation routine to perform necessary activities. - * - * @return true upon successful cache initialisation or - * false if cache init failed - **/ - -BOOL trustdom_cache_enable(void) -{ - /* Init trustdom cache by calling gencache initialisation */ - if (!gencache_init()) { - DEBUG(2, ("trustdomcache_enable: Couldn't initialise trustdom cache on top of gencache.\n")); - return False; - } - - return True; -} - - -/** - * Shutdown trustdom name caching system. Calls gencache - * shutdown function. - * - * @return true upon successful cache close or - * false if it failed - **/ - -BOOL trustdom_cache_shutdown(void) -{ - /* Close trustdom cache by calling gencache shutdown */ - if (!gencache_shutdown()) { - DEBUG(2, ("trustdomcache_shutdown: Couldn't shutdown trustdom cache on top of gencache.\n")); - return False; - } - - return True; -} - - -/** - * Form up trustdom name key. It is based only - * on domain name now. - * - * @param name trusted domain name - * @return cache key for use in gencache mechanism - **/ - -static char* trustdom_cache_key(const char* name) -{ - char* keystr; - asprintf(&keystr, TDOMKEY_FMT, strupper_static(name)); - - return keystr; -} - - -/** - * Store trusted domain in gencache as the domain name (key) - * and ip address of domain controller (value) - * - * @param name trusted domain name - * @param alt_name alternative trusted domain name (used in ADS domains) - * @param sid trusted domain's SID - * @param timeout cache entry expiration time - * @return true upon successful value storing or - * false if store attempt failed - **/ - -BOOL trustdom_cache_store(char* name, char* alt_name, const DOM_SID *sid, - time_t timeout) -{ - char *key, *alt_key; - fstring sid_string; - - /* - * we use gecache call to avoid annoying debug messages - * about initialised trustdom - */ - if (!gencache_init()) return False; - - DEBUG(5, ("trustdom_store: storing SID %s of domain %s\n", - sid_string_static(sid), name)); - - key = trustdom_cache_key(name); - alt_key = alt_name ? trustdom_cache_key(alt_name) : NULL; - - /* Generate string representation domain SID */ - sid_to_string(sid_string, sid); - - /* - * try to put the names in the cache - */ - if (alt_key) { - return (gencache_set(alt_key, sid_string, timeout) - && gencache_set(key, sid_string, timeout)); - } - - return gencache_set(key, sid_string, timeout); -} - - -/** - * Fetch trusted domain's dc from the gencache. - * This routine can also be used to check whether given - * domain is currently trusted one. - * - * @param name trusted domain name - * @param sid trusted domain's SID to be returned - * @return true if entry is found or - * false if has expired/doesn't exist - **/ - -BOOL trustdom_cache_fetch(const char* name, DOM_SID* sid) -{ - char *key, *value; - time_t timeout; - - /* init the cache */ - if (!gencache_init()) return False; - - /* exit now if null pointers were passed as they're required further */ - if (!sid) return False; - - /* prepare a key and get the value */ - key = trustdom_cache_key(name); - - if (!gencache_get(key, &value, &timeout)) { - DEBUG(5, ("no entry for trusted domain %s found.\n", name)); - return False; - } else { - DEBUG(5, ("trusted domain %s found (%s)\n", name, value)); - } - - /* convert ip string representation into in_addr structure */ - if(! string_to_sid(sid, value)) { - sid = NULL; - return False; - } - - return True; -} - - -/** - * Delete single trustdom entry. Look at the - * gencache_iterate definition. - * - **/ - -static void flush_trustdom_name(const char* key, const char *value, time_t timeout, void* dptr) -{ - gencache_del(key); - DEBUG(5, ("Deleting entry %s\n", key)); -} - - -/** - * Flush all the trusted domains entries from the cache. - **/ - -void trustdom_cache_flush(void) -{ - if (!gencache_init()) - return; - - /* - * iterate through each TDOM cache's entry and flush it - * by flush_trustdom_name function - */ - gencache_iterate(flush_trustdom_name, NULL, trustdom_cache_key("*")); - DEBUG(5, ("Trusted domains cache flushed\n")); -} - |