diff options
Diffstat (limited to 'source3/libsmb')
| -rw-r--r-- | source3/libsmb/samlogon_cache.c | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/source3/libsmb/samlogon_cache.c b/source3/libsmb/samlogon_cache.c index fdfc92a750..e69de29bb2 100644 --- a/source3/libsmb/samlogon_cache.c +++ b/source3/libsmb/samlogon_cache.c @@ -1,247 +0,0 @@ -/* - Unix SMB/CIFS implementation. - Net_sam_logon info3 helpers - Copyright (C) Alexander Bokovoy 2002. - Copyright (C) Andrew Bartlett 2002. - Copyright (C) Gerald Carter 2003. - Copyright (C) Tim Potter 2003. - - 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" - -#define NETSAMLOGON_TDB "netsamlogon_cache.tdb" - -static TDB_CONTEXT *netsamlogon_tdb = NULL; - -/*********************************************************************** - open the tdb - ***********************************************************************/ - -BOOL netsamlogon_cache_init(void) -{ - if (!netsamlogon_tdb) { - netsamlogon_tdb = tdb_open_log(lock_path(NETSAMLOGON_TDB), 0, - TDB_DEFAULT, O_RDWR | O_CREAT, 0600); - } - - return (netsamlogon_tdb != NULL); -} - - -/*********************************************************************** - Shutdown samlogon_cache database -***********************************************************************/ - -BOOL netsamlogon_cache_shutdown(void) -{ - if(netsamlogon_tdb) - return (tdb_close(netsamlogon_tdb) == 0); - - return True; -} - -/*********************************************************************** - Clear cache getpwnam and getgroups entries from the winbindd cache -***********************************************************************/ -void netsamlogon_clear_cached_user(TDB_CONTEXT *tdb, NET_USER_INFO_3 *user) -{ - fstring domain; - TDB_DATA key; - BOOL got_tdb = False; - - /* We may need to call this function from smbd which will not have - winbindd_cache.tdb open. Open the tdb if a NULL is passed. */ - - if (!tdb) { - tdb = tdb_open_log(lock_path("winbindd_cache.tdb"), 5000, - TDB_DEFAULT, O_RDWR, 0600); - if (!tdb) { - DEBUG(5, ("netsamlogon_clear_cached_user: failed to open cache\n")); - return; - } - got_tdb = True; - } - - unistr2_to_ascii(domain, &user->uni_logon_dom, sizeof(domain) - 1); - - /* Clear U/DOMAIN/RID cache entry */ - - asprintf(&key.dptr, "U/%s/%d", domain, user->user_rid); - key.dsize = strlen(key.dptr) - 1; /* keys are not NULL terminated */ - - DEBUG(10, ("netsamlogon_clear_cached_user: clearing %s\n", key.dptr)); - - tdb_delete(tdb, key); - - SAFE_FREE(key.dptr); - - /* Clear UG/DOMAIN/RID cache entry */ - - asprintf(&key.dptr, "UG/%s/%d", domain, user->user_rid); - key.dsize = strlen(key.dptr) - 1; /* keys are not NULL terminated */ - - DEBUG(10, ("netsamlogon_clear_cached_user: clearing %s\n", key.dptr)); - - tdb_delete(tdb, key); - - SAFE_FREE(key.dptr); - - if (got_tdb) - tdb_close(tdb); -} - -/*********************************************************************** - Store a NET_USER_INFO_3 structure in a tdb for later user - username should be in UTF-8 format -***********************************************************************/ - -BOOL netsamlogon_cache_store(TALLOC_CTX *mem_ctx, const char * username, NET_USER_INFO_3 *user) -{ - TDB_DATA data; - fstring keystr; - prs_struct ps; - BOOL result = False; - DOM_SID user_sid; - time_t t = time(NULL); - - - if (!netsamlogon_cache_init()) { - DEBUG(0,("netsamlogon_cache_store: cannot open %s for write!\n", NETSAMLOGON_TDB)); - return False; - } - - sid_copy( &user_sid, &user->dom_sid.sid ); - sid_append_rid( &user_sid, user->user_rid ); - - /* Prepare key as DOMAIN-SID/USER-RID string */ - slprintf(keystr, sizeof(keystr), "%s", sid_string_static(&user_sid)); - - DEBUG(10,("netsamlogon_cache_store: SID [%s]\n", keystr)); - - /* only Samba fills in the username, not sure why NT doesn't */ - /* so we fill it in since winbindd_getpwnam() makes use of it */ - - if ( !user->uni_user_name.buffer ) { - init_unistr2( &user->uni_user_name, username, UNI_STR_TERMINATE ); - init_uni_hdr( &user->hdr_user_name, &user->uni_user_name ); - } - - /* Prepare data */ - - prs_init( &ps,MAX_PDU_FRAG_LEN , mem_ctx, MARSHALL); - - if ( !prs_uint32( "timestamp", &ps, 0, (uint32*)&t ) ) - return False; - - if ( net_io_user_info3("", user, &ps, 0, 3) ) - { - data.dsize = prs_offset( &ps ); - data.dptr = prs_data_p( &ps ); - - if (tdb_store_bystring(netsamlogon_tdb, keystr, data, TDB_REPLACE) != -1) - result = True; - - prs_mem_free( &ps ); - } - - return result; -} - -/*********************************************************************** - Retrieves a NET_USER_INFO_3 structure from a tdb. Caller must - free the user_info struct (malloc()'d memory) -***********************************************************************/ - -NET_USER_INFO_3* netsamlogon_cache_get( TALLOC_CTX *mem_ctx, const DOM_SID *user_sid) -{ - NET_USER_INFO_3 *user = NULL; - TDB_DATA data, key; - prs_struct ps; - fstring keystr; - uint32 t; - - if (!netsamlogon_cache_init()) { - DEBUG(0,("netsamlogon_cache_store: cannot open %s for write!\n", NETSAMLOGON_TDB)); - return False; - } - - /* Prepare key as DOMAIN-SID/USER-RID string */ - slprintf(keystr, sizeof(keystr), "%s", sid_string_static(user_sid)); - DEBUG(10,("netsamlogon_cache_get: SID [%s]\n", keystr)); - key.dptr = keystr; - key.dsize = strlen(keystr)+1; - data = tdb_fetch( netsamlogon_tdb, key ); - - if ( data.dptr ) { - - if ( (user = SMB_MALLOC_P(NET_USER_INFO_3)) == NULL ) - return NULL; - - prs_init( &ps, 0, mem_ctx, UNMARSHALL ); - prs_give_memory( &ps, data.dptr, data.dsize, True ); - - if ( !prs_uint32( "timestamp", &ps, 0, &t ) ) { - prs_mem_free( &ps ); - return False; - } - - if ( !net_io_user_info3("", user, &ps, 0, 3) ) { - SAFE_FREE( user ); - } - - prs_mem_free( &ps ); - -#if 0 /* The netsamlogon cache needs to hang around. Something about - this feels wrong, but it is the only way we can get all of the - groups. The old universal groups cache didn't expire either. - --jerry */ - { - time_t now = time(NULL); - uint32 time_diff; - - /* is the entry expired? */ - time_diff = now - t; - - if ( (time_diff < 0 ) || (time_diff > lp_winbind_cache_time()) ) { - DEBUG(10,("netsamlogon_cache_get: cache entry expired \n")); - tdb_delete( netsamlogon_tdb, key ); - SAFE_FREE( user ); - } -#endif - } - - return user; -} - -BOOL netsamlogon_cache_have(const DOM_SID *user_sid) -{ - TALLOC_CTX *mem_ctx = talloc_init("netsamlogon_cache_have"); - NET_USER_INFO_3 *user = NULL; - BOOL result; - - if (!mem_ctx) - return False; - - user = netsamlogon_cache_get(mem_ctx, user_sid); - - result = (user != NULL); - - talloc_destroy(mem_ctx); - SAFE_FREE(user); - - return result; -} |