/* backend.c - routines for dealing with back-end databases */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2003 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
#include "portable.h"
#include <ac/string.h>
#include <ac/socket.h>
-
#include <sys/stat.h>
#include "slap.h"
+#include "lutil.h"
+#include "lber_pvt.h"
+#include "ldap_rq.h"
-#define BACKEND_GRAB_SIZE 10
+#ifdef LDAP_SLAPI
+#include "slapi.h"
+#endif
-int nbackends;
-Backend *backends;
-static int maxbackends;
+/*
+ * If a module is configured as dynamic, its header should not
+ * get included into slapd. While this is a general rule and does
+ * not have much of an effect in UNIX, this rule should be adhered
+ * to for Windows, where dynamic object code should not be implicitly
+ * imported into slapd without appropriate __declspec(dllimport) directives.
+ */
-Backend *
-new_backend(
- char *type
+#if defined(SLAPD_BDB) && !defined(SLAPD_BDB_DYNAMIC)
+#include "back-bdb/external.h"
+#endif
+#if defined(SLAPD_DNSSRV) && !defined(SLAPD_DNSSRV_DYNAMIC)
+#include "back-dnssrv/external.h"
+#endif
+#if defined(SLAPD_HDB) && !defined(SLAPD_HDB_DYNAMIC)
+#include "back-hdb/external.h"
+#endif
+#if defined(SLAPD_LDAP) && !defined(SLAPD_LDAP_DYNAMIC)
+#include "back-ldap/external.h"
+#endif
+#if defined(SLAPD_LDBM) && !defined(SLAPD_LDBM_DYNAMIC)
+#include "back-ldbm/external.h"
+#endif
+#if defined(SLAPD_META) && !defined(SLAPD_META_DYNAMIC)
+#include "back-meta/external.h"
+#endif
+#if defined(SLAPD_MONITOR) && !defined(SLAPD_MONITOR_DYNAMIC)
+#include "back-monitor/external.h"
+#endif
+#if defined(SLAPD_NULL) && !defined(SLAPD_NULL_DYNAMIC)
+#include "back-null/external.h"
+#endif
+#if defined(SLAPD_PASSWD) && !defined(SLAPD_PASSWD_DYNAMIC)
+#include "back-passwd/external.h"
+#endif
+#if defined(SLAPD_PERL) && !defined(SLAPD_PERL_DYNAMIC)
+#include "back-perl/external.h"
+#endif
+#if defined(SLAPD_SHELL) && !defined(SLAPD_SHELL_DYNAMIC)
+#include "back-shell/external.h"
+#endif
+#if defined(SLAPD_TCL) && !defined(SLAPD_TCL_DYNAMIC)
+#include "back-tcl/external.h"
+#endif
+#if defined(SLAPD_SQL) && !defined(SLAPD_SQL_DYNAMIC)
+#include "back-sql/external.h"
+#endif
+#if defined(SLAPD_PRIVATE) && !defined(SLAPD_PRIVATE_DYNAMIC)
+#include "private/external.h"
+#endif
+
+static BackendInfo binfo[] = {
+#if defined(SLAPD_BDB) && !defined(SLAPD_BDB_DYNAMIC)
+ {"bdb", bdb_initialize},
+#endif
+#if defined(SLAPD_DNSSRV) && !defined(SLAPD_DNSSRV_DYNAMIC)
+ {"dnssrv", dnssrv_back_initialize},
+#endif
+#if defined(SLAPD_HDB) && !defined(SLAPD_HDB_DYNAMIC)
+ {"hdb", hdb_initialize},
+#endif
+#if defined(SLAPD_LDAP) && !defined(SLAPD_LDAP_DYNAMIC)
+ {"ldap", ldap_back_initialize},
+#endif
+#if defined(SLAPD_LDBM) && !defined(SLAPD_LDBM_DYNAMIC)
+ {"ldbm", ldbm_back_initialize},
+#endif
+#if defined(SLAPD_META) && !defined(SLAPD_META_DYNAMIC)
+ {"meta", meta_back_initialize},
+#endif
+#if defined(SLAPD_MONITOR) && !defined(SLAPD_MONITOR_DYNAMIC)
+ {"monitor", monitor_back_initialize},
+#endif
+#if defined(SLAPD_NULL) && !defined(SLAPD_NULL_DYNAMIC)
+ {"null", null_back_initialize},
+#endif
+#if defined(SLAPD_PASSWD) && !defined(SLAPD_PASSWD_DYNAMIC)
+ {"passwd", passwd_back_initialize},
+#endif
+#if defined(SLAPD_PERL) && !defined(SLAPD_PERL_DYNAMIC)
+ {"perl", perl_back_initialize},
+#endif
+#if defined(SLAPD_SHELL) && !defined(SLAPD_SHELL_DYNAMIC)
+ {"shell", shell_back_initialize},
+#endif
+#if defined(SLAPD_TCL) && !defined(SLAPD_TCL_DYNAMIC)
+ {"tcl", tcl_back_initialize},
+#endif
+#if defined(SLAPD_SQL) && !defined(SLAPD_SQL_DYNAMIC)
+ {"sql", sql_back_initialize},
+#endif
+ /* for any private backend */
+#if defined(SLAPD_PRIVATE) && !defined(SLAPD_PRIVATE_DYNAMIC)
+ {"private", private_back_initialize},
+#endif
+ {NULL}
+};
+
+int nBackendInfo = 0;
+BackendInfo *backendInfo = NULL;
+
+int nBackendDB = 0;
+BackendDB *backendDB = NULL;
+
+ldap_pvt_thread_pool_t syncrepl_pool;
+int syncrepl_pool_max = SLAP_MAX_SYNCREPL_THREADS;
+
+int backend_init(void)
+{
+ int rc = -1;
+
+ ldap_pvt_thread_pool_init( &syncrepl_pool, syncrepl_pool_max, 0 );
+
+ if((nBackendInfo != 0) || (backendInfo != NULL)) {
+ /* already initialized */
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, ERR,
+ "backend_init: backend already initialized\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_init: already initialized.\n", 0, 0, 0 );
+#endif
+ return -1;
+ }
+
+ for( ;
+ binfo[nBackendInfo].bi_type != NULL;
+ nBackendInfo++ )
+ {
+ rc = binfo[nBackendInfo].bi_init( &binfo[nBackendInfo] );
+
+ if(rc != 0) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, INFO,
+ "backend_init: initialized for type \"%s\"\n",
+ binfo[nBackendInfo].bi_type, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_init: initialized for type \"%s\"\n",
+ binfo[nBackendInfo].bi_type, 0, 0 );
+#endif
+ /* destroy those we've already inited */
+ for( nBackendInfo--;
+ nBackendInfo >= 0 ;
+ nBackendInfo-- )
+ {
+ if ( binfo[nBackendInfo].bi_destroy ) {
+ binfo[nBackendInfo].bi_destroy(
+ &binfo[nBackendInfo] );
+ }
+ }
+ return rc;
+ }
+ }
+
+ if ( nBackendInfo > 0) {
+ backendInfo = binfo;
+ return 0;
+ }
+
+#ifdef SLAPD_MODULES
+ return 0;
+#else
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, ERR, "backend_init: failed\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_init: failed\n",
+ 0, 0, 0 );
+#endif
+
+ return rc;
+#endif /* SLAPD_MODULES */
+}
+
+int backend_add(BackendInfo *aBackendInfo)
+{
+ int rc = 0;
+
+ if ((rc = aBackendInfo->bi_init(aBackendInfo)) != 0) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, ERR,
+ "backend_add: initialization for type \"%s\" failed\n",
+ aBackendInfo->bi_type, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_add: initialization for type \"%s\" failed\n",
+ aBackendInfo->bi_type, 0, 0 );
+#endif
+ return rc;
+ }
+
+ /* now add the backend type to the Backend Info List */
+ {
+ BackendInfo *newBackendInfo = 0;
+
+ /* if backendInfo == binfo no deallocation of old backendInfo */
+ if (backendInfo == binfo) {
+ newBackendInfo = ch_calloc(nBackendInfo + 1, sizeof(BackendInfo));
+ AC_MEMCPY(newBackendInfo, backendInfo, sizeof(BackendInfo) *
+ nBackendInfo);
+ } else {
+ newBackendInfo = ch_realloc(backendInfo, sizeof(BackendInfo) *
+ (nBackendInfo + 1));
+ }
+ AC_MEMCPY(&newBackendInfo[nBackendInfo], aBackendInfo,
+ sizeof(BackendInfo));
+ backendInfo = newBackendInfo;
+ nBackendInfo++;
+
+ return 0;
+ }
+}
+
+int backend_startup(Backend *be)
+{
+ int i;
+ int rc = 0;
+
+ if( ! ( nBackendDB > 0 ) ) {
+ /* no databases */
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, INFO,
+ "backend_startup: %d databases to startup. \n", nBackendDB, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: %d databases to startup.\n",
+ nBackendDB, 0, 0 );
+#endif
+ return 1;
+ }
+
+ if(be != NULL) {
+ /* startup a specific backend database */
+
+ LDAP_TAILQ_INIT( &be->be_pending_csn_list );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, DETAIL1, "backend_startup: starting \"%s\"\n",
+ be->be_suffix[0].bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "backend_startup: starting \"%s\"\n",
+ be->be_suffix[0].bv_val, 0, 0 );
+#endif
+
+ if ( be->bd_info->bi_open ) {
+ rc = be->bd_info->bi_open( be->bd_info );
+ if ( rc != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, CRIT, "backend_startup: bi_open failed!\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_open failed!\n",
+ 0, 0, 0 );
+#endif
+
+ return rc;
+ }
+ }
+
+ if ( be->bd_info->bi_db_open ) {
+ rc = be->bd_info->bi_db_open( be );
+ if ( rc != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, CRIT,
+ "backend_startup: bi_db_open failed! (%d)\n", rc, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_db_open failed! (%d)\n",
+ rc, 0, 0 );
+#endif
+ return rc;
+ }
+ }
+
+ return rc;
+ }
+
+ /* open each backend type */
+ for( i = 0; i < nBackendInfo; i++ ) {
+ if( backendInfo[i].bi_nDB == 0) {
+ /* no database of this type, don't open */
+ continue;
+ }
+
+ if( backendInfo[i].bi_open ) {
+ rc = backendInfo[i].bi_open(
+ &backendInfo[i] );
+ if ( rc != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, CRIT,
+ "backend_startup: bi_open %d failed!\n", i, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_open %d failed!\n",
+ i, 0, 0 );
+#endif
+ return rc;
+ }
+ }
+ }
+
+ ldap_pvt_thread_mutex_init( &syncrepl_rq.rq_mutex );
+ LDAP_STAILQ_INIT( &syncrepl_rq.task_list );
+ LDAP_STAILQ_INIT( &syncrepl_rq.run_list );
+
+ /* open each backend database */
+ for( i = 0; i < nBackendDB; i++ ) {
+ /* append global access controls */
+ acl_append( &backendDB[i].be_acl, global_acl );
+
+ LDAP_TAILQ_INIT( &backendDB[i].be_pending_csn_list );
+
+ if ( backendDB[i].bd_info->bi_db_open ) {
+ rc = backendDB[i].bd_info->bi_db_open(
+ &backendDB[i] );
+ if ( rc != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, CRIT,
+ "backend_startup: bi_db_open(%d) failed! (%d)\n", i, rc, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_db_open(%d) failed! (%d)\n",
+ i, rc, 0 );
+#endif
+ return rc;
+ }
+ }
+
+ if ( !LDAP_STAILQ_EMPTY( &backendDB[i].be_syncinfo )) {
+ syncinfo_t *si;
+ LDAP_STAILQ_FOREACH( si, &backendDB[i].be_syncinfo, si_next ) {
+ si->si_be = &backendDB[i];
+ init_syncrepl( si );
+ ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
+ ldap_pvt_runqueue_insert( &syncrepl_rq,
+ si->si_interval, do_syncrepl, (void *) si );
+ ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
+ }
+ }
+ }
+
+ return rc;
+}
+
+int backend_num( Backend *be )
+{
+ int i;
+
+ if( be == NULL ) return -1;
+
+ for( i = 0; i < nBackendDB; i++ ) {
+ if( be == &backendDB[i] ) return i;
+ }
+ return -1;
+}
+
+int backend_shutdown( Backend *be )
+{
+ int i;
+ int rc = 0;
+
+ if( be != NULL ) {
+ /* shutdown a specific backend database */
+
+ if ( be->bd_info->bi_nDB == 0 ) {
+ /* no database of this type, we never opened it */
+ return 0;
+ }
+
+ if ( be->bd_info->bi_db_close ) {
+ be->bd_info->bi_db_close( be );
+ }
+
+ if( be->bd_info->bi_close ) {
+ be->bd_info->bi_close( be->bd_info );
+ }
+
+ return 0;
+ }
+
+ /* close each backend database */
+ for( i = 0; i < nBackendDB; i++ ) {
+ if ( backendDB[i].bd_info->bi_db_close ) {
+ backendDB[i].bd_info->bi_db_close(
+ &backendDB[i] );
+ }
+
+ if(rc != 0) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, NOTICE,
+ "backend_shutdown: bi_close %s failed!\n",
+ backendDB[i].be_type, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_close: bi_close %s failed!\n",
+ backendDB[i].be_type, 0, 0 );
+#endif
+ }
+ }
+
+ /* close each backend type */
+ for( i = 0; i < nBackendInfo; i++ ) {
+ if( backendInfo[i].bi_nDB == 0 ) {
+ /* no database of this type */
+ continue;
+ }
+
+ if( backendInfo[i].bi_close ) {
+ backendInfo[i].bi_close(
+ &backendInfo[i] );
+ }
+ }
+
+ return 0;
+}
+
+int backend_destroy(void)
+{
+ int i;
+ BackendDB *bd;
+
+ ldap_pvt_thread_pool_destroy( &syncrepl_pool, 1 );
+
+ /* destroy each backend database */
+ for( i = 0, bd = backendDB; i < nBackendDB; i++, bd++ ) {
+ if ( bd->bd_info->bi_db_destroy ) {
+ bd->bd_info->bi_db_destroy( bd );
+ }
+ ber_bvarray_free( bd->be_suffix );
+ ber_bvarray_free( bd->be_nsuffix );
+ if ( bd->be_rootdn.bv_val ) free( bd->be_rootdn.bv_val );
+ if ( bd->be_rootndn.bv_val ) free( bd->be_rootndn.bv_val );
+ if ( bd->be_rootpw.bv_val ) free( bd->be_rootpw.bv_val );
+ acl_destroy( bd->be_acl, global_acl );
+ }
+ free( backendDB );
+
+ /* destroy each backend type */
+ for( i = 0; i < nBackendInfo; i++ ) {
+ if( backendInfo[i].bi_destroy ) {
+ backendInfo[i].bi_destroy(
+ &backendInfo[i] );
+ }
+ }
+
+#ifdef SLAPD_MODULES
+ if (backendInfo != binfo) {
+ free(backendInfo);
+ }
+#endif /* SLAPD_MODULES */
+
+ nBackendInfo = 0;
+ backendInfo = NULL;
+
+ return 0;
+}
+
+BackendInfo* backend_info(const char *type)
+{
+ int i;
+
+ /* search for the backend type */
+ for( i = 0; i < nBackendInfo; i++ ) {
+ if( strcasecmp(backendInfo[i].bi_type, type) == 0 ) {
+ return &backendInfo[i];
+ }
+ }
+
+ return NULL;
+}
+
+
+BackendDB *
+backend_db_init(
+ const char *type
)
{
Backend *be;
- int foundit;
+ BackendInfo *bi = backend_info(type);
+ int rc = 0;
- if ( nbackends == maxbackends ) {
- maxbackends += BACKEND_GRAB_SIZE;
- backends = (Backend *) ch_realloc( (char *) backends,
- maxbackends * sizeof(Backend) );
- memset( &backends[nbackends], '\0', BACKEND_GRAB_SIZE *
- sizeof(Backend) );
+ if( bi == NULL ) {
+ fprintf( stderr, "Unrecognized database type (%s)\n", type );
+ return NULL;
}
+ backendDB = (BackendDB *) ch_realloc(
+ (char *) backendDB,
+ (nBackendDB + 1) * sizeof(Backend) );
+
+ memset( &backendDB[nbackends], '\0', sizeof(Backend) );
+
be = &backends[nbackends++];
- be->be_sizelimit = defsize;
- be->be_timelimit = deftime;
- foundit = 0;
-
-#ifdef SLAPD_LDBM
- if ( strcasecmp( type, "ldbm" ) == 0 ) {
- be->be_bind = ldbm_back_bind;
- be->be_unbind = ldbm_back_unbind;
- be->be_search = ldbm_back_search;
- be->be_compare = ldbm_back_compare;
- be->be_modify = ldbm_back_modify;
- be->be_modrdn = ldbm_back_modrdn;
- be->be_add = ldbm_back_add;
- be->be_delete = ldbm_back_delete;
- be->be_abandon = ldbm_back_abandon;
- be->be_config = ldbm_back_config;
- be->be_init = ldbm_back_init;
- be->be_close = ldbm_back_close;
-#ifdef SLAPD_ACLGROUPS
- be->be_group = ldbm_back_group;
-#endif
- be->be_type = "ldbm";
- foundit = 1;
- }
-#endif
-
-#ifdef SLAPD_PASSWD
- if ( strcasecmp( type, "passwd" ) == 0 ) {
- be->be_bind = NULL;
- be->be_unbind = NULL;
- be->be_search = passwd_back_search;
- be->be_compare = NULL;
- be->be_modify = NULL;
- be->be_modrdn = NULL;
- be->be_add = NULL;
- be->be_delete = NULL;
- be->be_abandon = NULL;
- be->be_config = passwd_back_config;
- be->be_init = NULL;
- be->be_close = NULL;
-#ifdef SLAPD_ACLGROUPS
- be->be_group = NULL;
-#endif
- be->be_type = "passwd";
- foundit = 1;
- }
-#endif
-
-#ifdef SLAPD_SHELL
- if ( strcasecmp( type, "shell" ) == 0 ) {
- be->be_bind = shell_back_bind;
- be->be_unbind = shell_back_unbind;
- be->be_search = shell_back_search;
- be->be_compare = shell_back_compare;
- be->be_modify = shell_back_modify;
- be->be_modrdn = shell_back_modrdn;
- be->be_add = shell_back_add;
- be->be_delete = shell_back_delete;
- be->be_abandon = shell_back_abandon;
- be->be_config = shell_back_config;
- be->be_init = shell_back_init;
- be->be_close = NULL;
-#ifdef SLAPD_ACLGROUPS
- be->be_group = NULL;
-#endif
- be->be_type = "shell";
- foundit = 1;
- }
-#endif
-
- if ( be->be_init != NULL ) {
- (*be->be_init)( be );
- }
-
- if ( foundit == 0 ) {
- fprintf( stderr, "Unrecognized database type (%s)\n", type );
- exit( 1 );
+
+ be->bd_info = bi;
+ be->be_def_limit = deflimit;
+ be->be_dfltaccess = global_default_access;
+
+ be->be_restrictops = global_restrictops;
+ be->be_requires = global_requires;
+ be->be_ssf_set = global_ssf_set;
+
+ be->be_context_csn.bv_len = 0;
+ be->be_context_csn.bv_val = NULL;
+ ldap_pvt_thread_mutex_init( &be->be_pcl_mutex );
+ ldap_pvt_thread_mutex_init( &be->be_context_csn_mutex );
+
+ LDAP_STAILQ_INIT( &be->be_syncinfo );
+
+ /* assign a default depth limit for alias deref */
+ be->be_max_deref_depth = SLAPD_DEFAULT_MAXDEREFDEPTH;
+
+ if(bi->bi_db_init) {
+ rc = bi->bi_db_init( be );
+ }
+
+ if(rc != 0) {
+ fprintf( stderr, "database init failed (%s)\n", type );
+ nbackends--;
+ return NULL;
}
+ bi->bi_nDB++;
return( be );
}
+void
+be_db_close( void )
+{
+ int i;
+
+ for ( i = 0; i < nbackends; i++ ) {
+ if ( backends[i].bd_info->bi_db_close ) {
+ (*backends[i].bd_info->bi_db_close)( &backends[i] );
+ }
+ }
+}
+
Backend *
-select_backend( char * dn )
+select_backend(
+ struct berval * dn,
+ int manageDSAit,
+ int noSubs )
{
- int i, j, len, dnlen;
+ int i, j;
+ ber_len_t len, dnlen = dn->bv_len;
+ Backend *be = NULL;
- dnlen = strlen( dn );
for ( i = 0; i < nbackends; i++ ) {
- for ( j = 0; backends[i].be_suffix != NULL &&
- backends[i].be_suffix[j] != NULL; j++ )
+ for ( j = 0; backends[i].be_nsuffix != NULL &&
+ backends[i].be_nsuffix[j].bv_val != NULL; j++ )
{
- len = strlen( backends[i].be_suffix[j] );
+ if ( ( SLAP_GLUE_SUBORDINATE( &backends[i] ) )
+ && noSubs )
+ {
+ continue;
+ }
+
+ len = backends[i].be_nsuffix[j].bv_len;
if ( len > dnlen ) {
+ /* suffix is longer than DN */
continue;
}
-
- if ( strcasecmp( backends[i].be_suffix[j],
- dn + (dnlen - len) ) == 0 ) {
- return( &backends[i] );
+
+ /*
+ * input DN is normalized, so the separator check
+ * need not look at escaping
+ */
+ if ( len && len < dnlen &&
+ !DN_SEPARATOR( dn->bv_val[(dnlen-len)-1] ))
+ {
+ continue;
}
- }
- }
-
- /* if no proper suffix could be found then check for aliases */
- for ( i = 0; i < nbackends; i++ ) {
- for ( j = 0;
- backends[i].be_suffixAlias != NULL &&
- backends[i].be_suffixAlias[j] != NULL;
- j += 2 )
- {
- len = strlen( backends[i].be_suffixAlias[j] );
-
- if ( len > dnlen ) {
- continue;
- }
- if ( strcasecmp( backends[i].be_suffixAlias[j],
- dn + (dnlen - len) ) == 0 ) {
- return( &backends[i] );
- }
- }
- }
+ if ( strcmp( backends[i].be_nsuffix[j].bv_val,
+ &dn->bv_val[dnlen-len] ) == 0 )
+ {
+ if( be == NULL ) {
+ be = &backends[i];
-#ifdef LDAP_ALLOW_NULL_SEARCH_BASE
- /* Add greg@greg.rim.or.jp
- * It's quick hack for cheap client
- * Some browser offer a NULL base at ldap_search
- *
- * Should only be used as a last resort. -Kdz
- */
- if(dnlen == 0) {
- Debug( LDAP_DEBUG_TRACE,
- "select_backend: use default backend\n", 0, 0, 0 );
- return( &backends[0] );
+ if( manageDSAit && len == dnlen &&
+ !SLAP_GLUE_SUBORDINATE( be ) ) {
+ continue;
+ }
+ } else {
+ be = &backends[i];
+ }
+ return be;
+ }
+ }
}
-#endif /* LDAP_ALLOW_NULL_SEARCH_BASE */
- return( NULL );
+ return be;
}
int
be_issuffix(
Backend *be,
- char *suffix
+ struct berval *bvsuffix
)
{
int i;
- for ( i = 0; be->be_suffix != NULL && be->be_suffix[i] != NULL; i++ ) {
- if ( strcasecmp( be->be_suffix[i], suffix ) == 0 ) {
+ for ( i = 0; be->be_nsuffix != NULL && be->be_nsuffix[i].bv_val != NULL; i++ ) {
+ if ( bvmatch( &be->be_nsuffix[i], bvsuffix ) ) {
return( 1 );
}
}
}
int
-be_isroot( Backend *be, char *dn )
+be_isroot( Backend *be, struct berval *ndn )
{
- if ( dn == NULL ) {
+ if ( !ndn->bv_len ) {
+ return( 0 );
+ }
+
+ if ( !be->be_rootndn.bv_len ) {
return( 0 );
}
- return( be->be_rootdn != NULL
- ? strcasecmp( be->be_rootdn, dn ) == 0
- : 0 );
+ return dn_match( &be->be_rootndn, ndn );
}
int
-be_isroot_pw( Backend *be, char *dn, struct berval *cred )
+be_isupdate( Backend *be, struct berval *ndn )
{
- if ( ! be_isroot( be, dn ) ) {
+ if ( !ndn->bv_len ) {
+ return( 0 );
+ }
+
+ if ( !be->be_update_ndn.bv_len ) {
return( 0 );
}
- return( lutil_passwd( cred->bv_val, be->be_rootpw ) == 0 );
+ return dn_match( &be->be_update_ndn, ndn );
}
-void
-be_close( void )
+struct berval *
+be_root_dn( Backend *be )
{
- int i;
+ return &be->be_rootdn;
+}
+
+int
+be_isroot_pw( Operation *op )
+{
+ int result;
+ char *errmsg;
+
+ if ( ! be_isroot( op->o_bd, &op->o_req_ndn ) ) {
+ return 0;
+ }
+
+ if( op->o_bd->be_rootpw.bv_len == 0 ) {
+ return 0;
+ }
+
+#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
+ ldap_pvt_thread_mutex_lock( &passwd_mutex );
+#ifdef SLAPD_SPASSWD
+ lutil_passwd_sasl_conn = op->o_conn->c_sasl_authctx;
+#endif
+#endif
+
+ result = lutil_passwd( &op->o_bd->be_rootpw, &op->orb_cred, NULL, NULL );
+
+#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
+#ifdef SLAPD_SPASSWD
+ lutil_passwd_sasl_conn = NULL;
+#endif
+ ldap_pvt_thread_mutex_unlock( &passwd_mutex );
+#endif
+
+ return result == 0;
+}
+
+int
+be_entry_release_rw(
+ Operation *op,
+ Entry *e,
+ int rw )
+{
+ if ( op->o_bd->be_release ) {
+ /* free and release entry from backend */
+ return op->o_bd->be_release( op, e, rw );
+ } else {
+ /* free entry */
+ entry_free( e );
+ return 0;
+ }
+}
+
+int
+backend_unbind( Operation *op, SlapReply *rs )
+{
+ int i;
for ( i = 0; i < nbackends; i++ ) {
- if ( backends[i].be_close != NULL ) {
- (*backends[i].be_close)( &backends[i] );
+#if defined( LDAP_SLAPI )
+ if ( op->o_pb ) {
+ int rc;
+ if ( i == 0 ) slapi_int_pblock_set_operation( op->o_pb, op );
+ slapi_pblock_set( op->o_pb, SLAPI_BACKEND, (void *)&backends[i] );
+ rc = doPluginFNs( &backends[i], SLAPI_PLUGIN_PRE_UNBIND_FN,
+ (Slapi_PBlock *)op->o_pb );
+ if ( rc < 0 ) {
+ /*
+ * A preoperation plugin failure will abort the
+ * entire operation.
+ */
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO, "do_bind: Unbind preoperation plugin "
+ "failed\n", 0, 0, 0);
+#else
+ Debug(LDAP_DEBUG_TRACE, "do_bind: Unbind preoperation plugin "
+ "failed.\n", 0, 0, 0);
+#endif
+ return 0;
+ }
+ }
+#endif /* defined( LDAP_SLAPI ) */
+
+ if ( backends[i].be_unbind ) {
+ op->o_bd = &backends[i];
+ (*backends[i].be_unbind)( op, rs );
+ }
+
+#if defined( LDAP_SLAPI )
+ if ( op->o_pb && doPluginFNs( &backends[i], SLAPI_PLUGIN_POST_UNBIND_FN,
+ (Slapi_PBlock *)op->o_pb ) < 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO, "do_unbind: Unbind postoperation plugins "
+ "failed\n", 0, 0, 0);
+#else
+ Debug(LDAP_DEBUG_TRACE, "do_unbind: Unbind postoperation plugins "
+ "failed.\n", 0, 0, 0);
+#endif
}
+#endif /* defined( LDAP_SLAPI ) */
}
+
+ return 0;
}
+int
+backend_connection_init(
+ Connection *conn
+)
+{
+ int i;
+
+ for ( i = 0; i < nbackends; i++ ) {
+ if ( backends[i].be_connection_init ) {
+ (*backends[i].be_connection_init)( &backends[i], conn);
+ }
+ }
-void
-be_unbind(
- Connection *conn,
- Operation *op
+ return 0;
+}
+
+int
+backend_connection_destroy(
+ Connection *conn
)
{
int i;
for ( i = 0; i < nbackends; i++ ) {
- if ( backends[i].be_unbind != NULL ) {
- (*backends[i].be_unbind)( &backends[i], conn, op );
+ if ( backends[i].be_connection_destroy ) {
+ (*backends[i].be_connection_destroy)( &backends[i], conn);
+ }
+ }
+
+ return 0;
+}
+
+static int
+backend_check_controls(
+ Operation *op,
+ SlapReply *rs )
+{
+ LDAPControl **ctrls = op->o_ctrls;
+ rs->sr_err = LDAP_SUCCESS;
+
+ if( ctrls ) {
+ for( ; *ctrls != NULL ; ctrls++ ) {
+ if( (*ctrls)->ldctl_iscritical && !ldap_charray_inlist(
+ op->o_bd->be_controls, (*ctrls)->ldctl_oid ) )
+ {
+ rs->sr_text = "control unavailable in context";
+ rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
+ break;
+ }
+ }
+ }
+
+ return rs->sr_err;
+}
+
+int
+backend_check_restrictions(
+ Operation *op,
+ SlapReply *rs,
+ struct berval *opdata )
+{
+ slap_mask_t restrictops;
+ slap_mask_t requires;
+ slap_mask_t opflag;
+ slap_ssf_set_t *ssf;
+ int updateop = 0;
+ int starttls = 0;
+ int session = 0;
+
+ if( op->o_bd ) {
+ if ( backend_check_controls( op, rs ) != LDAP_SUCCESS ) {
+ return rs->sr_err;
+ }
+
+ restrictops = op->o_bd->be_restrictops;
+ requires = op->o_bd->be_requires;
+ ssf = &op->o_bd->be_ssf_set;
+
+ } else {
+ restrictops = global_restrictops;
+ requires = global_requires;
+ ssf = &global_ssf_set;
+ }
+
+ switch( op->o_tag ) {
+ case LDAP_REQ_ADD:
+ opflag = SLAP_RESTRICT_OP_ADD;
+ updateop++;
+ break;
+ case LDAP_REQ_BIND:
+ opflag = SLAP_RESTRICT_OP_BIND;
+ session++;
+ break;
+ case LDAP_REQ_COMPARE:
+ opflag = SLAP_RESTRICT_OP_COMPARE;
+ break;
+ case LDAP_REQ_DELETE:
+ updateop++;
+ opflag = SLAP_RESTRICT_OP_DELETE;
+ break;
+ case LDAP_REQ_EXTENDED:
+ opflag = SLAP_RESTRICT_OP_EXTENDED;
+
+ if( !opdata ) {
+ /* treat unspecified as a modify */
+ opflag = SLAP_RESTRICT_OP_MODIFY;
+ updateop++;
+ break;
+ }
+
+ {
+ if( bvmatch( opdata, &slap_EXOP_START_TLS ) ) {
+ session++;
+ starttls++;
+ break;
+ }
+ }
+
+ {
+ if( bvmatch( opdata, &slap_EXOP_WHOAMI ) ) {
+ break;
+ }
+ }
+
+#ifdef LDAP_EXOP_X_CANCEL
+ {
+ if ( bvmatch( opdata, &slap_EXOP_CANCEL ) ) {
+ break;
+ }
+ }
+#endif
+
+ /* treat everything else as a modify */
+ opflag = SLAP_RESTRICT_OP_MODIFY;
+ updateop++;
+ break;
+
+ case LDAP_REQ_MODIFY:
+ updateop++;
+ opflag = SLAP_RESTRICT_OP_MODIFY;
+ break;
+ case LDAP_REQ_RENAME:
+ updateop++;
+ opflag = SLAP_RESTRICT_OP_RENAME;
+ break;
+ case LDAP_REQ_SEARCH:
+ opflag = SLAP_RESTRICT_OP_SEARCH;
+ break;
+ case LDAP_REQ_UNBIND:
+ session++;
+ opflag = 0;
+ break;
+ default:
+ rs->sr_text = "restrict operations internal error";
+ rs->sr_err = LDAP_OTHER;
+ return rs->sr_err;
+ }
+
+ if ( !starttls ) {
+ /* these checks don't apply to StartTLS */
+
+ rs->sr_err = LDAP_CONFIDENTIALITY_REQUIRED;
+ if( op->o_transport_ssf < ssf->sss_transport ) {
+ rs->sr_text = "transport confidentiality required";
+ return rs->sr_err;
+ }
+
+ if( op->o_tls_ssf < ssf->sss_tls ) {
+ rs->sr_text = "TLS confidentiality required";
+ return rs->sr_err;
+ }
+
+
+ if( op->o_tag == LDAP_REQ_BIND && opdata == NULL ) {
+ /* simple bind specific check */
+ if( op->o_ssf < ssf->sss_simple_bind ) {
+ rs->sr_text = "confidentiality required";
+ return rs->sr_err;
+ }
+ }
+
+ if( op->o_tag != LDAP_REQ_BIND || opdata == NULL ) {
+ /* these checks don't apply to SASL bind */
+
+ if( op->o_sasl_ssf < ssf->sss_sasl ) {
+ rs->sr_text = "SASL confidentiality required";
+ return rs->sr_err;
+ }
+
+ if( op->o_ssf < ssf->sss_ssf ) {
+ rs->sr_text = "confidentiality required";
+ return rs->sr_err;
+ }
}
+
+ if( updateop ) {
+ if( op->o_transport_ssf < ssf->sss_update_transport ) {
+ rs->sr_text = "transport update confidentiality required";
+ return rs->sr_err;
+ }
+
+ if( op->o_tls_ssf < ssf->sss_update_tls ) {
+ rs->sr_text = "TLS update confidentiality required";
+ return rs->sr_err;
+ }
+
+ if( op->o_sasl_ssf < ssf->sss_update_sasl ) {
+ rs->sr_text = "SASL update confidentiality required";
+ return rs->sr_err;
+ }
+
+ if( op->o_ssf < ssf->sss_update_ssf ) {
+ rs->sr_text = "update confidentiality required";
+ return rs->sr_err;
+ }
+
+ if( !( global_allows & SLAP_ALLOW_UPDATE_ANON ) &&
+ op->o_ndn.bv_len == 0 )
+ {
+ rs->sr_text = "modifications require authentication";
+ rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
+ return rs->sr_err;
+ }
+
+#ifdef SLAP_X_LISTENER_MOD
+ if ( op->o_conn->c_listener && ! ( op->o_conn->c_listener->sl_perms & ( op->o_ndn.bv_len > 0 ? S_IWUSR : S_IWOTH ) ) ) {
+ /* no "w" mode means readonly */
+ rs->sr_text = "modifications not allowed on this listener";
+ rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+ return rs->sr_err;
+ }
+#endif /* SLAP_X_LISTENER_MOD */
+ }
+ }
+
+ if ( !session ) {
+ /* these checks don't apply to Bind, StartTLS, or Unbind */
+
+ if( requires & SLAP_REQUIRE_STRONG ) {
+ /* should check mechanism */
+ if( ( op->o_transport_ssf < ssf->sss_transport
+ && op->o_authtype == LDAP_AUTH_SIMPLE ) || op->o_dn.bv_len == 0 )
+ {
+ rs->sr_text = "strong authentication required";
+ rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
+ return rs->sr_err;
+ }
+ }
+
+ if( requires & SLAP_REQUIRE_SASL ) {
+ if( op->o_authtype != LDAP_AUTH_SASL || op->o_dn.bv_len == 0 ) {
+ rs->sr_text = "SASL authentication required";
+ rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
+ return rs->sr_err;
+ }
+ }
+
+ if( requires & SLAP_REQUIRE_AUTHC ) {
+ if( op->o_dn.bv_len == 0 ) {
+ rs->sr_text = "authentication required";
+ rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+ return rs->sr_err;
+ }
+ }
+
+ if( requires & SLAP_REQUIRE_BIND ) {
+ int version;
+ ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
+ version = op->o_conn->c_protocol;
+ ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
+
+ if( !version ) {
+ /* no bind has occurred */
+ rs->sr_text = "BIND required";
+ rs->sr_err = LDAP_OPERATIONS_ERROR;
+ return rs->sr_err;
+ }
+ }
+
+ if( requires & SLAP_REQUIRE_LDAP_V3 ) {
+ if( op->o_protocol < LDAP_VERSION3 ) {
+ /* no bind has occurred */
+ rs->sr_text = "operation restricted to LDAPv3 clients";
+ rs->sr_err = LDAP_OPERATIONS_ERROR;
+ return rs->sr_err;
+ }
+ }
+
+#ifdef SLAP_X_LISTENER_MOD
+ if ( !starttls && op->o_dn.bv_len == 0 ) {
+ if ( op->o_conn->c_listener && ! ( op->o_conn->c_listener->sl_perms & S_IXOTH ) ) {
+ /* no "x" mode means bind required */
+ rs->sr_text = "bind required on this listener";
+ rs->sr_err = LDAP_STRONG_AUTH_REQUIRED;
+ return rs->sr_err;
+ }
+ }
+
+ if ( !starttls && !updateop ) {
+ if ( op->o_conn->c_listener && ! ( op->o_conn->c_listener->sl_perms & ( op->o_dn.bv_len > 0 ? S_IRUSR : S_IROTH ) ) ) {
+ /* no "r" mode means no read */
+ rs->sr_text = "read not allowed on this listener";
+ rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+ return rs->sr_err;
+ }
+ }
+#endif /* SLAP_X_LISTENER_MOD */
+
+ }
+
+ if( restrictops & opflag ) {
+ if( restrictops == SLAP_RESTRICT_OP_READS ) {
+ rs->sr_text = "read operations restricted";
+ } else {
+ rs->sr_text = "operation restricted";
+ }
+ rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+ return rs->sr_err;
+ }
+
+ rs->sr_err = LDAP_SUCCESS;
+ return rs->sr_err;
+}
+
+int backend_check_referrals( Operation *op, SlapReply *rs )
+{
+ rs->sr_err = LDAP_SUCCESS;
+
+ if( op->o_bd->be_chk_referrals ) {
+ rs->sr_err = op->o_bd->be_chk_referrals( op, rs );
+
+ if( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_REFERRAL ) {
+ send_ldap_result( op, rs );
+ }
+ }
+
+ return rs->sr_err;
+}
+
+int
+be_entry_get_rw(
+ Operation *op,
+ struct berval *ndn,
+ ObjectClass *oc,
+ AttributeDescription *at,
+ int rw,
+ Entry **e )
+{
+ int rc;
+
+ *e = NULL;
+
+ if (op->o_bd == NULL) {
+ rc = LDAP_NO_SUCH_OBJECT;
+ } else if ( op->o_bd->be_fetch ) {
+ rc = ( op->o_bd->be_fetch )( op, ndn,
+ oc, at, rw, e );
+ } else {
+ rc = LDAP_UNWILLING_TO_PERFORM;
}
+ return rc;
}
-#ifdef SLAPD_ACLGROUPS
int
-be_group(
- Backend *be,
- char *bdn,
- char *edn,
- char *objectclassValue,
- char *groupattrName
+backend_group(
+ Operation *op,
+ Entry *target,
+ struct berval *gr_ndn,
+ struct berval *op_ndn,
+ ObjectClass *group_oc,
+ AttributeDescription *group_at
)
{
- if (be->be_group)
- return(be->be_group(be, bdn, edn, objectclassValue, groupattrName));
- else
- return(1);
+ Entry *e;
+ Attribute *a;
+ int rc;
+ GroupAssertion *g;
+ Backend *be = op->o_bd;
+
+ if ( op->o_abandon ) return SLAPD_ABANDON;
+
+ op->o_bd = select_backend( gr_ndn, 0, 0 );
+
+ for (g = op->o_groups; g; g=g->ga_next) {
+ if (g->ga_be != op->o_bd || g->ga_oc != group_oc ||
+ g->ga_at != group_at || g->ga_len != gr_ndn->bv_len)
+ continue;
+ if (strcmp( g->ga_ndn, gr_ndn->bv_val ) == 0)
+ break;
+ }
+
+ if (g) {
+ rc = g->ga_res;
+ goto done;
+ }
+
+ if ( target && dn_match( &target->e_nname, gr_ndn ) ) {
+ e = target;
+ rc = 0;
+ } else {
+ rc = be_entry_get_rw(op, gr_ndn, group_oc, group_at, 0, &e );
+ }
+ if ( e ) {
+ a = attr_find( e->e_attrs, group_at );
+ if ( a ) {
+ /* If the attribute is a subtype of labeledURI, treat this as
+ * a dynamic group ala groupOfURLs
+ */
+ if (is_at_subtype( group_at->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
+ int i;
+ LDAPURLDesc *ludp;
+ struct berval bv, nbase;
+ Filter *filter;
+ Entry *user;
+ Backend *b2 = op->o_bd;
+
+ if ( target && dn_match( &target->e_nname, op_ndn ) ) {
+ user = target;
+ } else {
+ op->o_bd = select_backend( op_ndn, 0, 0 );
+ rc = be_entry_get_rw(op, op_ndn, NULL, NULL, 0, &user );
+ }
+
+ if ( rc == 0 ) {
+ rc = 1;
+ for (i=0; a->a_vals[i].bv_val; i++) {
+ if ( ldap_url_parse( a->a_vals[i].bv_val, &ludp ) != LDAP_SUCCESS )
+ continue;
+ nbase.bv_val = NULL;
+ /* host part must be empty */
+ /* attrs and extensions parts must be empty */
+ if (( ludp->lud_host && *ludp->lud_host )
+ || ludp->lud_attrs || ludp->lud_exts )
+ goto loopit;
+ ber_str2bv( ludp->lud_dn, 0, 0, &bv );
+ if ( dnNormalize( 0, NULL, NULL, &bv, &nbase, op->o_tmpmemctx ) != LDAP_SUCCESS )
+ goto loopit;
+ switch(ludp->lud_scope) {
+ case LDAP_SCOPE_BASE:
+ if ( !dn_match( &nbase, op_ndn )) goto loopit;
+ break;
+ case LDAP_SCOPE_ONELEVEL:
+ dnParent(op_ndn, &bv );
+ if ( !dn_match( &nbase, &bv )) goto loopit;
+ break;
+ case LDAP_SCOPE_SUBTREE:
+ if ( !dnIsSuffix( op_ndn, &nbase )) goto loopit;
+ break;
+ case LDAP_SCOPE_SUBORDINATE:
+ if ( dn_match( &nbase, op_ndn ) &&
+ !dnIsSuffix(op_ndn, &nbase ))
+ {
+ goto loopit;
+ }
+ }
+ filter = str2filter_x( op, ludp->lud_filter );
+ if ( filter ) {
+ if ( test_filter( NULL, user, filter ) == LDAP_COMPARE_TRUE )
+ {
+ rc = 0;
+ }
+ filter_free_x( op, filter );
+ }
+ loopit:
+ ldap_free_urldesc( ludp );
+ if ( nbase.bv_val ) {
+ op->o_tmpfree( nbase.bv_val, op->o_tmpmemctx );
+ }
+ if ( rc == 0 ) break;
+ }
+ if ( user != target ) {
+ be_entry_release_r( op, user );
+ }
+ }
+ op->o_bd = b2;
+ } else {
+ rc = value_find_ex( group_at,
+ SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
+ SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
+ a->a_nvals, op_ndn, op->o_tmpmemctx );
+ }
+ } else {
+ rc = LDAP_NO_SUCH_ATTRIBUTE;
+ }
+ if (e != target ) {
+ be_entry_release_r( op, e );
+ }
+ } else {
+ rc = LDAP_NO_SUCH_OBJECT;
+ }
+
+ if ( op->o_tag != LDAP_REQ_BIND && !op->o_do_not_cache ) {
+ g = sl_malloc(sizeof(GroupAssertion) + gr_ndn->bv_len, op->o_tmpmemctx);
+ g->ga_be = op->o_bd;
+ g->ga_oc = group_oc;
+ g->ga_at = group_at;
+ g->ga_res = rc;
+ g->ga_len = gr_ndn->bv_len;
+ strcpy(g->ga_ndn, gr_ndn->bv_val);
+ g->ga_next = op->o_groups;
+ op->o_groups = g;
+ }
+done:
+ op->o_bd = be;
+ return rc;
}
-#endif
+
+int
+backend_attribute(
+ Operation *op,
+ Entry *target,
+ struct berval *edn,
+ AttributeDescription *entry_at,
+ BerVarray *vals
+)
+{
+ Entry *e;
+ Attribute *a;
+ int i, j, rc = LDAP_SUCCESS;
+ AccessControlState acl_state = ACL_STATE_INIT;
+ Backend *be = op->o_bd;
+
+ op->o_bd = select_backend( edn, 0, 0 );
+
+ if ( target && dn_match( &target->e_nname, edn ) ) {
+ e = target;
+ } else {
+ rc = be_entry_get_rw(op, edn, NULL, entry_at, 0, &e );
+ }
+
+ if ( e ) {
+ a = attr_find( e->e_attrs, entry_at );
+ if ( a ) {
+ BerVarray v;
+
+ if ( op->o_conn && access_allowed( op,
+ e, entry_at, NULL, ACL_AUTH,
+ &acl_state ) == 0 ) {
+ rc = LDAP_INSUFFICIENT_ACCESS;
+ goto freeit;
+ }
+
+ for ( i=0; a->a_vals[i].bv_val; i++ ) ;
+
+ v = op->o_tmpalloc( sizeof(struct berval) * (i+1), op->o_tmpmemctx );
+ for ( i=0,j=0; a->a_vals[i].bv_val; i++ ) {
+ if ( op->o_conn && access_allowed( op,
+ e, entry_at,
+ &a->a_nvals[i],
+ ACL_AUTH, &acl_state ) == 0 ) {
+ continue;
+ }
+ ber_dupbv_x( &v[j],
+ &a->a_nvals[i], op->o_tmpmemctx );
+ if (v[j].bv_val ) j++;
+ }
+ if (j == 0) {
+ op->o_tmpfree( v, op->o_tmpmemctx );
+ *vals = NULL;
+ rc = LDAP_INSUFFICIENT_ACCESS;
+ } else {
+ v[j].bv_val = NULL;
+ v[j].bv_len = 0;
+ *vals = v;
+ rc = LDAP_SUCCESS;
+ }
+ }
+freeit: if (e != target ) {
+ be_entry_release_r( op, e );
+ }
+ }
+
+ op->o_bd = be;
+ return rc;
+}
+
+Attribute *backend_operational(
+ Operation *op,
+ SlapReply *rs,
+ int opattrs )
+{
+ Attribute *a = NULL, **ap = &a;
+
+ /*
+ * If operational attributes (allegedly) are required,
+ * and the backend supports specific operational attributes,
+ * add them to the attribute list
+ */
+ if ( opattrs || ( op->ors_attrs &&
+ ad_inlist( slap_schema.si_ad_subschemaSubentry, op->ors_attrs )) ) {
+ *ap = slap_operational_subschemaSubentry( op->o_bd );
+ ap = &(*ap)->a_next;
+ }
+
+ if ( ( opattrs || op->ors_attrs ) && op->o_bd && op->o_bd->be_operational != NULL ) {
+ ( void )op->o_bd->be_operational( op, rs, opattrs, ap );
+ }
+
+ return a;
+}
+