+/*********************************************************************
+ ********************************************************************/
+
+static BOOL wcache_tdc_store_list( struct winbindd_tdc_domain *domains, size_t num_domains )
+{
+ TDB_DATA key = make_tdc_key( lp_workgroup() );
+ TDB_DATA data = { NULL, 0 };
+ int ret;
+
+ if ( !key.dptr )
+ return False;
+
+ /* See if we were asked to delete the cache entry */
+
+ if ( !domains ) {
+ ret = tdb_delete( wcache->tdb, key );
+ goto done;
+ }
+
+ data.dsize = pack_tdc_domains( domains, num_domains, &data.dptr );
+
+ if ( !data.dptr ) {
+ ret = -1;
+ goto done;
+ }
+
+ ret = tdb_store( wcache->tdb, key, data, 0 );
+
+ done:
+ SAFE_FREE( data.dptr );
+ SAFE_FREE( key.dptr );
+
+ return ( ret != -1 );
+}
+
+/*********************************************************************
+ ********************************************************************/
+
+BOOL wcache_tdc_fetch_list( struct winbindd_tdc_domain **domains, size_t *num_domains )
+{
+ TDB_DATA key = make_tdc_key( lp_workgroup() );
+ TDB_DATA data = { NULL, 0 };
+
+ *domains = NULL;
+ *num_domains = 0;
+
+ if ( !key.dptr )
+ return False;
+
+ data = tdb_fetch( wcache->tdb, key );
+
+ SAFE_FREE( key.dptr );
+
+ if ( !data.dptr )
+ return False;
+
+ *num_domains = unpack_tdc_domains( data.dptr, data.dsize, domains );
+
+ SAFE_FREE( data.dptr );
+
+ if ( !*domains )
+ return False;
+
+ return True;
+}
+
+/*********************************************************************
+ ********************************************************************/
+
+BOOL wcache_tdc_add_domain( struct winbindd_domain *domain )
+{
+ struct winbindd_tdc_domain *dom_list = NULL;
+ size_t num_domains = 0;
+ BOOL ret = False;
+
+ DEBUG(10,("wcache_tdc_add_domain: Adding domain %s (%s), SID %s, "
+ "flags = 0x%x, attributes = 0x%x, type = 0x%x\n",
+ domain->name, domain->alt_name,
+ sid_string_static(&domain->sid),
+ domain->domain_flags,
+ domain->domain_trust_attribs,
+ domain->domain_type));
+
+ if ( !init_wcache() ) {
+ return False;
+ }
+
+ /* fetch the list */
+
+ wcache_tdc_fetch_list( &dom_list, &num_domains );
+
+ /* add the new domain */
+
+ if ( !add_wbdomain_to_tdc_array( domain, &dom_list, &num_domains ) ) {
+ goto done;
+ }
+
+ /* pack the domain */
+
+ if ( !wcache_tdc_store_list( dom_list, num_domains ) ) {
+ goto done;
+ }
+
+ /* Success */
+
+ ret = True;
+ done:
+ TALLOC_FREE( dom_list );
+
+ return ret;
+}
+
+/*********************************************************************
+ ********************************************************************/
+
+struct winbindd_tdc_domain * wcache_tdc_fetch_domain( TALLOC_CTX *ctx, const char *name )
+{
+ struct winbindd_tdc_domain *dom_list = NULL;
+ size_t num_domains = 0;
+ int i;
+ struct winbindd_tdc_domain *d = NULL;
+
+ DEBUG(10,("wcache_tdc_fetch_domain: Searching for domain %s\n", name));
+
+ if ( !init_wcache() ) {
+ return False;
+ }
+
+ /* fetch the list */
+
+ wcache_tdc_fetch_list( &dom_list, &num_domains );
+
+ for ( i=0; i<num_domains; i++ ) {
+ if ( strequal(name, dom_list[i].domain_name) ||
+ strequal(name, dom_list[i].dns_name) )
+ {
+ DEBUG(10,("wcache_tdc_fetch_domain: Found domain %s\n",
+ name));
+
+ d = TALLOC_P( ctx, struct winbindd_tdc_domain );
+ if ( !d )
+ break;
+
+ d->domain_name = talloc_strdup( d, dom_list[i].domain_name );
+ d->dns_name = talloc_strdup( d, dom_list[i].dns_name );
+ sid_copy( &d->sid, &dom_list[i].sid );
+ d->trust_flags = dom_list[i].trust_flags;
+ d->trust_type = dom_list[i].trust_type;
+ d->trust_attribs = dom_list[i].trust_attribs;
+
+ break;
+ }
+ }
+
+ TALLOC_FREE( dom_list );
+
+ return d;
+}
+
+
+/*********************************************************************
+ ********************************************************************/
+
+void wcache_tdc_clear( void )
+{
+ if ( !init_wcache() )
+ return;
+
+ wcache_tdc_store_list( NULL, 0 );
+
+ return;
+}
+
+
+/*********************************************************************
+ ********************************************************************/
+
+static void wcache_save_user_pwinfo(struct winbindd_domain *domain,
+ NTSTATUS status,
+ const DOM_SID *user_sid,
+ const char *homedir,
+ const char *shell,
+ const char *gecos,
+ uint32 gid)
+{
+ struct cache_entry *centry;
+
+ if ( (centry = centry_start(domain, status)) == NULL )
+ return;
+
+ centry_put_string( centry, homedir );
+ centry_put_string( centry, shell );
+ centry_put_string( centry, gecos );
+ centry_put_uint32( centry, gid );
+
+ centry_end(centry, "NSS/PWINFO/%s", sid_string_static(user_sid) );
+
+ DEBUG(10,("wcache_save_user_pwinfo: %s\n", sid_string_static(user_sid) ));
+
+ centry_free(centry);
+}
+
+NTSTATUS nss_get_info_cached( struct winbindd_domain *domain,
+ const DOM_SID *user_sid,
+ TALLOC_CTX *ctx,
+ ADS_STRUCT *ads, LDAPMessage *msg,
+ char **homedir, char **shell, char **gecos,
+ gid_t *p_gid)
+{
+ struct winbind_cache *cache = get_cache(domain);
+ struct cache_entry *centry = NULL;
+ NTSTATUS nt_status;
+
+ if (!cache->tdb)
+ goto do_query;
+
+ centry = wcache_fetch(cache, domain, "NSS/PWINFO/%s", sid_string_static(user_sid));
+
+ if (!centry)
+ goto do_query;
+
+ *homedir = centry_string( centry, ctx );
+ *shell = centry_string( centry, ctx );
+ *gecos = centry_string( centry, ctx );
+ *p_gid = centry_uint32( centry );
+
+ centry_free(centry);
+
+ DEBUG(10,("nss_get_info_cached: [Cached] - user_sid %s\n",
+ sid_string_static(user_sid)));
+
+ return NT_STATUS_OK;
+
+do_query:
+
+ nt_status = nss_get_info( domain->name, user_sid, ctx, ads, msg,
+ homedir, shell, gecos, p_gid );
+
+ if ( NT_STATUS_IS_OK(nt_status) ) {
+ wcache_save_user_pwinfo( domain, nt_status, user_sid,
+ *homedir, *shell, *gecos, *p_gid );
+ }
+
+ if ( NT_STATUS_EQUAL( nt_status, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND ) ) {
+ DEBUG(5,("nss_get_info_cached: Setting domain %s offline\n",
+ domain->name ));
+ set_domain_offline( domain );
+ }
+
+ return nt_status;
+}
+
+
git.samba.org / gd / samba / .git / blobdiff