]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/bconfig.c
Partial revert of f30269f5d2e4bb5ee7486fe6542078d1b59dba6d
[openldap] / servers / slapd / bconfig.c
index 5f8ae10625b95b53109dbf53056e264bbd1455a0..b76cd2649713a05a0b4ae6ca74fa808f017fa486 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 2005-2011 The OpenLDAP Foundation.
+ * Copyright 2005-2012 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -84,6 +84,7 @@ static char   *logfileName;
 #ifdef SLAP_AUTH_REWRITE
 static BerVarray authz_rewrites;
 #endif
+static AccessControl *defacl_parsed = NULL;
 
 static struct berval cfdir;
 
@@ -135,6 +136,7 @@ static ConfigDriver config_referral;
 static ConfigDriver config_loglevel;
 static ConfigDriver config_updatedn;
 static ConfigDriver config_updateref;
+static ConfigDriver config_extra_attrs;
 static ConfigDriver config_include;
 static ConfigDriver config_obsolete;
 #ifdef HAVE_TLS
@@ -241,9 +243,13 @@ static OidRec OidMacros[] = {
  * OLcfg{Bk|Db}{Oc|At}:3               -> back-ldap
  * OLcfg{Bk|Db}{Oc|At}:4               -> back-monitor
  * OLcfg{Bk|Db}{Oc|At}:5               -> back-relay
- * OLcfg{Bk|Db}{Oc|At}:6               -> back-sql
+ * OLcfg{Bk|Db}{Oc|At}:6               -> back-sql(/back-ndb)
  * OLcfg{Bk|Db}{Oc|At}:7               -> back-sock
  * OLcfg{Bk|Db}{Oc|At}:8               -> back-null
+ * OLcfg{Bk|Db}{Oc|At}:9               -> back-passwd
+ * OLcfg{Bk|Db}{Oc|At}:10              -> back-shell
+ * OLcfg{Bk|Db}{Oc|At}:11              -> back-perl
+ * OLcfg{Bk|Db}{Oc|At}:12              -> back-mdb
  */
 
 /*
@@ -313,6 +319,7 @@ static ConfigTable config_back_cf_table[] = {
                &config_generic, "( OLcfgGlAt:4 NAME 'olcAttributeTypes' "
                        "DESC 'OpenLDAP attributeTypes' "
                        "EQUALITY caseIgnoreMatch "
+                       "SUBSTR caseIgnoreSubstringsMatch "
                        "SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )",
                                NULL, NULL },
        { "authid-rewrite", NULL, 2, 0, STRLENOF( "authid-rewrite" ),
@@ -362,8 +369,13 @@ static ConfigTable config_back_cf_table[] = {
                &config_generic, "( OLcfgGlAt:16 NAME 'olcDitContentRules' "
                        "DESC 'OpenLDAP DIT content rules' "
                        "EQUALITY caseIgnoreMatch "
+                       "SUBSTR caseIgnoreSubstringsMatch "
                        "SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )",
                        NULL, NULL },
+       { "extra_attrs", "attrlist", 2, 2, 0, ARG_DB|ARG_MAGIC,
+               &config_extra_attrs, "( OLcfgDbAt:0.20 NAME 'olcExtraAttrs' "
+                       "EQUALITY caseIgnoreMatch "
+                       "SYNTAX OMsDirectoryString )", NULL, NULL },
        { "gentlehup", "on|off", 2, 2, 0,
 #ifdef SIGHUP
                ARG_ON_OFF, &global_gentlehup,
@@ -404,6 +416,7 @@ static ConfigTable config_back_cf_table[] = {
                &config_generic, "( OLcfgGlAt:85 NAME 'olcLdapSyntaxes' "
                        "DESC 'OpenLDAP ldapSyntax' "
                        "EQUALITY caseIgnoreMatch "
+                       "SUBSTR caseIgnoreSubstringsMatch "
                        "SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )",
                                NULL, NULL },
        { "limits", "limits", 2, 0, 0, ARG_DB|ARG_MAGIC|CFG_LIMITS,
@@ -459,11 +472,13 @@ static ConfigTable config_back_cf_table[] = {
                &config_generic, "( OLcfgGlAt:32 NAME 'olcObjectClasses' "
                "DESC 'OpenLDAP object classes' "
                "EQUALITY caseIgnoreMatch "
+               "SUBSTR caseIgnoreSubstringsMatch "
                "SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )",
                        NULL, NULL },
        { "objectidentifier", "name> <oid",     3, 3, 0, ARG_MAGIC|CFG_OID,
                &config_generic, "( OLcfgGlAt:33 NAME 'olcObjectIdentifier' "
                        "EQUALITY caseIgnoreMatch "
+                       "SUBSTR caseIgnoreSubstringsMatch "
                        "SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
        { "overlay", "overlay", 2, 2, 0, ARG_MAGIC,
                &config_overlay, "( OLcfgGlAt:34 NAME 'olcOverlay' "
@@ -643,7 +658,7 @@ static ConfigTable config_back_cf_table[] = {
        { "timelimit", "limit", 2, 0, 0, ARG_MAY_DB|ARG_MAGIC,
                &config_timelimit, "( OLcfgGlAt:67 NAME 'olcTimeLimit' "
                        "SYNTAX OMsDirectoryString )", NULL, NULL },
-       { "TLSCACertificateFile", NULL, 0, 0, 0,
+       { "TLSCACertificateFile", NULL, 2, 2, 0,
 #ifdef HAVE_TLS
                CFG_TLS_CA_FILE|ARG_STRING|ARG_MAGIC, &config_tls_option,
 #else
@@ -651,7 +666,7 @@ static ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:68 NAME 'olcTLSCACertificateFile' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "TLSCACertificatePath", NULL, 0, 0, 0,
+       { "TLSCACertificatePath", NULL, 2, 2, 0,
 #ifdef HAVE_TLS
                CFG_TLS_CA_PATH|ARG_STRING|ARG_MAGIC, &config_tls_option,
 #else
@@ -659,7 +674,7 @@ static ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:69 NAME 'olcTLSCACertificatePath' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "TLSCertificateFile", NULL, 0, 0, 0,
+       { "TLSCertificateFile", NULL, 2, 2, 0,
 #ifdef HAVE_TLS
                CFG_TLS_CERT_FILE|ARG_STRING|ARG_MAGIC, &config_tls_option,
 #else
@@ -667,7 +682,7 @@ static ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:70 NAME 'olcTLSCertificateFile' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "TLSCertificateKeyFile", NULL, 0, 0, 0,
+       { "TLSCertificateKeyFile", NULL, 2, 2, 0,
 #ifdef HAVE_TLS
                CFG_TLS_CERT_KEY|ARG_STRING|ARG_MAGIC, &config_tls_option,
 #else
@@ -675,7 +690,7 @@ static ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:71 NAME 'olcTLSCertificateKeyFile' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "TLSCipherSuite",     NULL, 0, 0, 0,
+       { "TLSCipherSuite",     NULL, 2, 2, 0,
 #ifdef HAVE_TLS
                CFG_TLS_CIPHER|ARG_STRING|ARG_MAGIC, &config_tls_option,
 #else
@@ -683,7 +698,7 @@ static ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:72 NAME 'olcTLSCipherSuite' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "TLSCRLCheck", NULL, 0, 0, 0,
+       { "TLSCRLCheck", NULL, 2, 2, 0,
 #if defined(HAVE_TLS) && defined(HAVE_OPENSSL_CRL)
                CFG_TLS_CRLCHECK|ARG_STRING|ARG_MAGIC, &config_tls_config,
 #else
@@ -691,7 +706,7 @@ static ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:73 NAME 'olcTLSCRLCheck' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "TLSCRLFile", NULL, 0, 0, 0,
+       { "TLSCRLFile", NULL, 2, 2, 0,
 #if defined(HAVE_GNUTLS)
                CFG_TLS_CRL_FILE|ARG_STRING|ARG_MAGIC, &config_tls_option,
 #else
@@ -699,7 +714,7 @@ static ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:82 NAME 'olcTLSCRLFile' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "TLSRandFile", NULL, 0, 0, 0,
+       { "TLSRandFile", NULL, 2, 2, 0,
 #ifdef HAVE_TLS
                CFG_TLS_RAND|ARG_STRING|ARG_MAGIC, &config_tls_option,
 #else
@@ -707,7 +722,7 @@ static ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:74 NAME 'olcTLSRandFile' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "TLSVerifyClient", NULL, 0, 0, 0,
+       { "TLSVerifyClient", NULL, 2, 2, 0,
 #ifdef HAVE_TLS
                CFG_TLS_VERIFY|ARG_STRING|ARG_MAGIC, &config_tls_config,
 #else
@@ -715,7 +730,7 @@ static ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:75 NAME 'olcTLSVerifyClient' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "TLSDHParamFile", NULL, 0, 0, 0,
+       { "TLSDHParamFile", NULL, 2, 2, 0,
 #ifdef HAVE_TLS
                CFG_TLS_DH_FILE|ARG_STRING|ARG_MAGIC, &config_tls_option,
 #else
@@ -723,7 +738,7 @@ static ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:77 NAME 'olcTLSDHParamFile' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "TLSProtocolMin",     NULL, 0, 0, 0,
+       { "TLSProtocolMin",     NULL, 2, 2, 0,
 #ifdef HAVE_TLS
                CFG_TLS_PROTOCOL_MIN|ARG_STRING|ARG_MAGIC, &config_tls_config,
 #else
@@ -812,8 +827,8 @@ static ConfigOCs cf_ocs[] = {
                "NAME 'olcSchemaConfig' "
                "DESC 'OpenLDAP schema object' "
                "SUP olcConfig STRUCTURAL "
-               "MAY ( cn $ olcObjectIdentifier $ olcAttributeTypes $ "
-                "olcObjectClasses $ olcDitContentRules $ olcLdapSyntaxes ) )",
+               "MAY ( cn $ olcObjectIdentifier $ olcLdapSyntaxes $ "
+                "olcAttributeTypes $ olcObjectClasses $ olcDitContentRules ) )",
                        Cft_Schema, NULL, cfAddSchema },
        { "( OLcfgGlOc:3 "
                "NAME 'olcBackendConfig' "
@@ -832,7 +847,7 @@ static ConfigOCs cf_ocs[] = {
                 "olcReplogFile $ olcRequires $ olcRestrict $ olcRootDN $ olcRootPW $ "
                 "olcSchemaDN $ olcSecurity $ olcSizeLimit $ olcSyncUseSubentry $ olcSyncrepl $ "
                 "olcTimeLimit $ olcUpdateDN $ olcUpdateRef $ olcMirrorMode $ "
-                "olcMonitoring ) )",
+                "olcMonitoring $ olcExtraAttrs ) )",
                        Cft_Database, NULL, cfAddDatabase },
        { "( OLcfgGlOc:5 "
                "NAME 'olcOverlayConfig' "
@@ -1108,7 +1123,7 @@ config_generic(ConfigArgs *c) {
                        break;
                case CFG_MIRRORMODE:
                        if ( SLAP_SHADOW(c->be))
-                               c->value_int = (SLAP_SINGLE_SHADOW(c->be) == 0);
+                               c->value_int = (SLAP_MULTIMASTER(c->be) != 0);
                        else
                                rc = 1;
                        break;
@@ -1213,7 +1228,6 @@ config_generic(ConfigArgs *c) {
                case CFG_AZPOLICY:
                case CFG_DEPTH:
                case CFG_LASTMOD:
-               case CFG_MIRRORMODE:
                case CFG_MONITORING:
                case CFG_SASLSECP:
                case CFG_SSTR_IF_MAX:
@@ -1230,6 +1244,12 @@ config_generic(ConfigArgs *c) {
                        snprintf(c->log, sizeof( c->log ), "change requires slapd restart");
                        break;
 
+               case CFG_MIRRORMODE:
+                       SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_MULTI_SHADOW;
+                       if(SLAP_SHADOW(c->be))
+                               SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_SINGLE_SHADOW;
+                       break;
+
                case CFG_SALT:
                        ch_free( passwd_salt );
                        passwd_salt = NULL;
@@ -1287,6 +1307,12 @@ config_generic(ConfigArgs *c) {
                                *prev = a->acl_next;
                                acl_free( a );
                        }
+                       if ( SLAP_CONFIG( c->be ) && !c->be->be_acl ) {
+                               Debug( LDAP_DEBUG_CONFIG, "config_generic (CFG_ACL): "
+                                               "Last explicit ACL for back-config removed. "
+                                               "Using hardcoded default\n", 0, 0, 0 );
+                               c->be->be_acl = defacl_parsed;
+                       }
                        break;
 
                case CFG_OC: {
@@ -1621,7 +1647,8 @@ config_generic(ConfigArgs *c) {
                                        int i;
                                        for (i=0, oc = cfn->c_oc_head; i<c->valx; i++) {
                                                prev = oc;
-                                               oc_next( &oc );
+                                               if ( !oc_next( &oc ))
+                                                       break;
                                        }
                                } else
                                /* If adding the first, and head exists, find its prev */
@@ -1634,7 +1661,7 @@ config_generic(ConfigArgs *c) {
                                /* else prev is NULL, append to end of global list */
                        }
                        if(parse_oc(c, &oc, prev)) return(1);
-                       if (!cfn->c_oc_head) cfn->c_oc_head = oc;
+                       if (!cfn->c_oc_head || !c->valx) cfn->c_oc_head = oc;
                        if (cfn->c_oc_tail == prev) cfn->c_oc_tail = oc;
                        }
                        break;
@@ -1653,7 +1680,8 @@ config_generic(ConfigArgs *c) {
                                        int i;
                                        for (i=0, at = cfn->c_at_head; i<c->valx; i++) {
                                                prev = at;
-                                               at_next( &at );
+                                               if ( !at_next( &at ))
+                                                       break;
                                        }
                                } else
                                /* If adding the first, and head exists, find its prev */
@@ -1666,7 +1694,7 @@ config_generic(ConfigArgs *c) {
                                /* else prev is NULL, append to end of global list */
                        }
                        if(parse_at(c, &at, prev)) return(1);
-                       if (!cfn->c_at_head) cfn->c_at_head = at;
+                       if (!cfn->c_at_head || !c->valx) cfn->c_at_head = at;
                        if (cfn->c_at_tail == prev) cfn->c_at_tail = at;
                        }
                        break;
@@ -1685,7 +1713,8 @@ config_generic(ConfigArgs *c) {
                                        int i;
                                        for ( i = 0, syn = cfn->c_syn_head; i < c->valx; i++ ) {
                                                prev = syn;
-                                               syn_next( &syn );
+                                               if ( !syn_next( &syn ))
+                                                       break;
                                        }
                                } else
                                /* If adding the first, and head exists, find its prev */
@@ -1698,7 +1727,7 @@ config_generic(ConfigArgs *c) {
                                /* else prev is NULL, append to end of global list */
                        }
                        if ( parse_syn( c, &syn, prev ) ) return(1);
-                       if ( !cfn->c_syn_head ) cfn->c_syn_head = syn;
+                       if ( !cfn->c_syn_head || !c->valx ) cfn->c_syn_head = syn;
                        if ( cfn->c_syn_tail == prev ) cfn->c_syn_tail = syn;
                        }
                        break;
@@ -1779,6 +1808,9 @@ sortval_reject:
                        break;
 
                case CFG_ACL:
+                       if ( SLAP_CONFIG( c->be ) && c->be->be_acl == defacl_parsed) {
+                               c->be->be_acl = NULL;
+                       }
                        /* Don't append to the global ACL if we're on a specific DB */
                        i = c->valx;
                        if ( c->valx == -1 ) {
@@ -1788,6 +1820,9 @@ sortval_reject:
                                        i++;
                        }
                        if ( parse_acl(c->be, c->fname, c->lineno, c->argc, c->argv, i ) ) {
+                               if ( SLAP_CONFIG( c->be ) && !c->be->be_acl) {
+                                       c->be->be_acl = defacl_parsed;
+                               }
                                return 1;
                        }
                        break;
@@ -1917,10 +1952,13 @@ sortval_reject:
                                        c->log, c->cr_msg, 0 );
                                return(1);
                        }
-                       if(c->value_int)
+                       if(c->value_int) {
                                SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_SINGLE_SHADOW;
-                       else
+                               SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_MULTI_SHADOW;
+                       } else {
                                SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_SINGLE_SHADOW;
+                               SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_MULTI_SHADOW;
+                       }
                        break;
 
                case CFG_MONITORING:
@@ -3031,8 +3069,8 @@ config_restrict(ConfigArgs *c) {
                if ( !c->line ) {
                        c->be->be_restrictops = 0;
                } else {
-                       restrictops = verb_to_mask( c->line, restrictable_ops );
-                       c->be->be_restrictops ^= restrictops;
+                       i = verb_to_mask( c->line, restrictable_ops );
+                       c->be->be_restrictops &= ~restrictable_ops[i].mask;
                }
                return 0;
        }
@@ -3067,8 +3105,8 @@ config_allows(ConfigArgs *c) {
                if ( !c->line ) {
                        global_allows = 0;
                } else {
-                       allows = verb_to_mask( c->line, allowable_ops );
-                       global_allows ^= allows;
+                       i = verb_to_mask( c->line, allowable_ops );
+                       global_allows &= ~allowable_ops[i].mask;
                }
                return 0;
        }
@@ -3102,8 +3140,8 @@ config_disallows(ConfigArgs *c) {
                if ( !c->line ) {
                        global_disallows = 0;
                } else {
-                       disallows = verb_to_mask( c->line, disallowable_ops );
-                       global_disallows ^= disallows;
+                       i = verb_to_mask( c->line, disallowable_ops );
+                       global_disallows &= ~disallowable_ops[i].mask;
                }
                return 0;
        }
@@ -3138,8 +3176,8 @@ config_requires(ConfigArgs *c) {
                if ( !c->line ) {
                        c->be->be_requires = 0;
                } else {
-                       requires = verb_to_mask( c->line, requires_ops );
-                       c->be->be_requires ^= requires;
+                       i = verb_to_mask( c->line, requires_ops );
+                       c->be->be_requires &= ~requires_ops[i].mask;
                }
                return 0;
        }
@@ -3166,6 +3204,58 @@ config_requires(ConfigArgs *c) {
        return(0);
 }
 
+static int
+config_extra_attrs(ConfigArgs *c)
+{
+       assert( c->be != NULL );
+
+       if ( c->op == SLAP_CONFIG_EMIT ) {
+               int i;
+
+               if ( c->be->be_extra_anlist == NULL ) {
+                       return 1;
+               }
+
+               for ( i = 0; !BER_BVISNULL( &c->be->be_extra_anlist[i].an_name ); i++ ) {
+                       value_add_one( &c->rvalue_vals, &c->be->be_extra_anlist[i].an_name );
+               }
+
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               if ( c->be->be_extra_anlist == NULL ) {
+                       return 1;
+               }
+
+               if ( c->valx < 0 ) {
+                       anlist_free( c->be->be_extra_anlist, 1, NULL );
+                       c->be->be_extra_anlist = NULL;
+
+               } else {
+                       int i;
+
+                       for ( i = 0; i < c->valx && !BER_BVISNULL( &c->be->be_extra_anlist[i + 1].an_name ); i++ )
+                               ;
+
+                       if ( BER_BVISNULL( &c->be->be_extra_anlist[i].an_name ) ) {
+                               return 1;
+                       }
+
+                       ch_free( c->be->be_extra_anlist[i].an_name.bv_val );
+
+                       for ( ; !BER_BVISNULL( &c->be->be_extra_anlist[i].an_name ); i++ ) {
+                               c->be->be_extra_anlist[i] = c->be->be_extra_anlist[i + 1];
+                       }
+               }
+
+       } else {
+               c->be->be_extra_anlist = str2anlist( c->be->be_extra_anlist, c->argv[1], " ,\t" );
+               if ( c->be->be_extra_anlist == NULL ) {
+                       return 1;
+               }
+       }
+
+       return 0;
+}
+
 static slap_verbmasks  *loglevel_ops;
 
 static int
@@ -3357,8 +3447,8 @@ config_loglevel(ConfigArgs *c) {
                if ( !c->line ) {
                        config_syslog = 0;
                } else {
-                       int level = verb_to_mask( c->line, loglevel_ops );
-                       config_syslog ^= level;
+                       i = verb_to_mask( c->line, loglevel_ops );
+                       config_syslog &= ~loglevel_ops[i].mask;
                }
                if ( slapMode & SLAP_SERVER_MODE ) {
                        ldap_syslog = config_syslog;
@@ -3580,7 +3670,9 @@ config_shadow( ConfigArgs *c, slap_mask_t flag )
                }
 
        } else {
-               SLAP_DBFLAGS(c->be) |= (SLAP_DBFLAG_SHADOW | SLAP_DBFLAG_SINGLE_SHADOW | flag);
+               SLAP_DBFLAGS(c->be) |= (SLAP_DBFLAG_SHADOW | flag);
+               if ( !SLAP_MULTIMASTER( c->be ))
+                       SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_SINGLE_SHADOW;
        }
 
        return 0;
@@ -4557,12 +4649,19 @@ check_name_index( CfEntryInfo *parent, ConfigType ce_type, Entry *e,
        return rc;
 }
 
+/* Insert all superior classes of the given class */
 static int
 count_oc( ObjectClass *oc, ConfigOCs ***copp, int *nocs )
 {
        ConfigOCs       co, *cop;
        ObjectClass     **sups;
 
+       for ( sups = oc->soc_sups; sups && *sups; sups++ ) {
+               if ( count_oc( *sups, copp, nocs ) ) {
+                       return -1;
+               }
+       }
+
        co.co_name = &oc->soc_cname;
        cop = avl_find( CfOcTree, &co, CfOc_cmp );
        if ( cop ) {
@@ -4586,27 +4685,23 @@ count_oc( ObjectClass *oc, ConfigOCs ***copp, int *nocs )
                }
        }
 
-       for ( sups = oc->soc_sups; sups && *sups; sups++ ) {
-               if ( count_oc( *sups, copp, nocs ) ) {
-                       return -1;
-               }
-       }
-
        return 0;
 }
 
+/* Find all superior classes of the given objectclasses,
+ * return list in order of most-subordinate first.
+ *
+ * Special / auxiliary / Cft_Misc classes always take precedence.
+ */
 static ConfigOCs **
 count_ocs( Attribute *oc_at, int *nocs )
 {
-       int             i;
+       int             i, j, misc = -1;
        ConfigOCs       **colst = NULL;
 
        *nocs = 0;
 
-       for ( i = 0; !BER_BVISNULL( &oc_at->a_nvals[i] ); i++ )
-               /* count attrs */ ;
-
-       for ( ; i--; ) {
+       for ( i = oc_at->a_numvals; i--; ) {
                ObjectClass     *oc = oc_bvfind( &oc_at->a_nvals[i] );
 
                assert( oc != NULL );
@@ -4616,6 +4711,25 @@ count_ocs( Attribute *oc_at, int *nocs )
                }
        }
 
+       /* invert order */
+       i = 0;
+       j = *nocs - 1;
+       while ( i < j ) {
+               ConfigOCs *tmp = colst[i];
+               colst[i] = colst[j];
+               colst[j] = tmp;
+               if (tmp->co_type == Cft_Misc)
+                       misc = j;
+               i++; j--;
+       }
+       /* Move misc class to front of list */
+       if (misc > 0) {
+               ConfigOCs *tmp = colst[misc];
+               for (i=misc; i>0; i--)
+                       colst[i] = colst[i-1];
+               colst[0] = tmp;
+       }
+
        return colst;
 }
 
@@ -5354,6 +5468,11 @@ config_modify_internal( CfEntryInfo *ce, Operation *op, SlapReply *rs,
        oc_at = attr_find( e->e_attrs, slap_schema.si_ad_objectClass );
        if ( !oc_at ) return LDAP_OBJECT_CLASS_VIOLATION;
 
+       for (ml = op->orm_modlist; ml; ml=ml->sml_next) {
+               if (ml->sml_desc == slap_schema.si_ad_objectClass)
+                       return rc;
+       }
+
        colst = count_ocs( oc_at, &nocs );
 
        /* make sure add/del flags are clear; should always be true */
@@ -5376,7 +5495,9 @@ config_modify_internal( CfEntryInfo *ce, Operation *op, SlapReply *rs,
                ct = config_find_table( colst, nocs, ml->sml_desc, ca );
                switch (ml->sml_op) {
                case LDAP_MOD_DELETE:
-               case LDAP_MOD_REPLACE: {
+               case LDAP_MOD_REPLACE:
+               case SLAP_MOD_SOFTDEL:
+               {
                        BerVarray vals = NULL, nvals = NULL;
                        int *idx = NULL;
                        if ( ct && ( ct->arg_type & ARG_NO_DELETE )) {
@@ -5415,11 +5536,24 @@ config_modify_internal( CfEntryInfo *ce, Operation *op, SlapReply *rs,
                                ml->sml_values = vals;
                                ml->sml_nvalues = nvals;
                        }
+                       if ( rc == LDAP_NO_SUCH_ATTRIBUTE && ml->sml_op == SLAP_MOD_SOFTDEL )
+                       {
+                               rc = LDAP_SUCCESS;
+                       }
+                       /* FIXME: check rc before fallthru? */
                        if ( !vals )
                                break;
-                       }
+               }
                        /* FALLTHRU: LDAP_MOD_REPLACE && vals */
 
+               case SLAP_MOD_ADD_IF_NOT_PRESENT:
+                       if ( ml->sml_op == SLAP_MOD_ADD_IF_NOT_PRESENT
+                               && attr_find( e->e_attrs, ml->sml_desc ) )
+                       {
+                               rc = LDAP_SUCCESS;
+                               break;
+                       }
+
                case LDAP_MOD_ADD:
                case SLAP_MOD_SOFTADD: {
                        int mop = ml->sml_op;
@@ -5562,6 +5696,8 @@ config_modify_internal( CfEntryInfo *ce, Operation *op, SlapReply *rs,
                        /* FALLTHRU: LDAP_MOD_REPLACE && vals */
 
                case LDAP_MOD_ADD:
+                       if ( !a )
+                               break;
                        for (i=0; ml->sml_values[i].bv_val; i++) {
                                ca->line = ml->sml_values[i].bv_val;
                                ca->valx = -1;
@@ -5955,16 +6091,70 @@ config_back_delete( Operation *op, SlapReply *rs )
                        rs->sr_matched = last->ce_entry->e_name.bv_val;
                rs->sr_err = LDAP_NO_SUCH_OBJECT;
        } else if ( ce->ce_kids ) {
-               rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+               rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
        } else if ( op->o_abandon ) {
                rs->sr_err = SLAPD_ABANDON;
-       } else if ( ce->ce_type == Cft_Overlay ){
+       } else if ( ce->ce_type == Cft_Overlay ||
+                       ce->ce_type == Cft_Database ||
+                       ce->ce_type == Cft_Misc ){
                char *iptr;
                int count, ixold;
 
                ldap_pvt_thread_pool_pause( &connection_pool );
-               
-               overlay_remove( ce->ce_be, (slap_overinst *)ce->ce_bi );
+
+               if ( ce->ce_type == Cft_Overlay ){
+                       overlay_remove( ce->ce_be, (slap_overinst *)ce->ce_bi, op );
+               } else if ( ce->ce_type == Cft_Misc ) {
+                       /*
+                        * only Cft_Misc objects that have a co_lddel handler set in
+                        * the ConfigOCs struct can be deleted. This code also
+                        * assumes that the entry can be only have one objectclass
+                        * with co_type == Cft_Misc
+                        */
+                       ConfigOCs co, *coptr;
+                       Attribute *oc_at;
+                       int i;
+
+                       oc_at = attr_find( ce->ce_entry->e_attrs,
+                                       slap_schema.si_ad_objectClass );
+                       if ( !oc_at ) {
+                               rs->sr_err = LDAP_OTHER;
+                               rs->sr_text = "objectclass not found";
+                               ldap_pvt_thread_pool_resume( &connection_pool );
+                               goto out;
+                       }
+                       for ( i=0; !BER_BVISNULL(&oc_at->a_nvals[i]); i++ ) {
+                               co.co_name = &oc_at->a_nvals[i];
+                               coptr = avl_find( CfOcTree, &co, CfOc_cmp );
+                               if ( coptr == NULL || coptr->co_type != Cft_Misc ) {
+                                       continue;
+                               }
+                               if ( ! coptr->co_lddel || coptr->co_lddel( ce, op ) ){
+                                       rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+                                       if ( ! coptr->co_lddel ) {
+                                               rs->sr_text = "No delete handler found";
+                                       } else {
+                                               rs->sr_err = LDAP_OTHER;
+                                               /* FIXME: We should return a helpful error message
+                                                * here */
+                                       }
+                                       ldap_pvt_thread_pool_resume( &connection_pool );
+                                       goto out;
+                               }
+                               break;
+                       }
+               } else if (ce->ce_type == Cft_Database ) {
+                       if ( ce->ce_be == frontendDB || ce->ce_be == op->o_bd ){
+                               rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+                               rs->sr_text = "Cannot delete config or frontend database";
+                               ldap_pvt_thread_pool_resume( &connection_pool );
+                               goto out;
+                       }
+                       if ( ce->ce_be->bd_info->bi_db_close ) {
+                               ce->ce_be->bd_info->bi_db_close( ce->ce_be, NULL );
+                       }
+                       backend_destroy_one( ce->ce_be, 1);
+               }
 
                /* remove CfEntryInfo from the siblings list */
                if ( ce->ce_parent->ce_kids == ce ) {
@@ -6023,6 +6213,7 @@ config_back_delete( Operation *op, SlapReply *rs )
        } else {
                rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
        }
+out:
 #else
        rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 #endif /* SLAP_CONFIG_DELETE */
@@ -6328,11 +6519,12 @@ config_build_schema_inc( ConfigArgs *c, CfEntryInfo *ceparent,
                        bv.bv_len );
                c->value_dn.bv_len += bv.bv_len;
                c->value_dn.bv_val[c->value_dn.bv_len] ='\0';
-               rdn = c->value_dn;
+               rdnNormalize( 0, NULL, NULL, &c->value_dn, &rdn, NULL );
 
                c->ca_private = cf;
                e = config_build_entry( op, rs, ceparent, c, &rdn,
                        &CFOC_SCHEMA, NULL );
+               ch_free( rdn.bv_val );
                if ( !e ) {
                        return -1;
                } else if ( e && cf->c_kids ) {
@@ -6489,14 +6681,23 @@ config_back_db_open( BackendDB *be, ConfigReply *cr )
        slap_callback cb = { NULL, slap_null_cb, NULL, NULL };
        SlapReply rs = {REP_RESULT};
        void *thrctx = NULL;
+       AccessControl *save_access;
 
        Debug( LDAP_DEBUG_TRACE, "config_back_db_open\n", 0, 0, 0);
 
        /* If we have no explicitly configured ACLs, don't just use
         * the global ACLs. Explicitly deny access to everything.
         */
-       if ( !be->bd_self->be_acl ) {
-               parse_acl(be->bd_self, "config_back_db_open", 0, 6, (char **)defacl, 0 );
+       save_access = be->bd_self->be_acl;
+       be->bd_self->be_acl = NULL;
+       parse_acl(be->bd_self, "config_back_db_open", 0, 6, (char **)defacl, 0 );
+       defacl_parsed = be->bd_self->be_acl;
+       if ( save_access ) {
+               be->bd_self->be_acl = save_access;
+       } else {
+               Debug( LDAP_DEBUG_CONFIG, "config_back_db_open: "
+                               "No explicit ACL for back-config configured. "
+                               "Using hardcoded default\n", 0, 0, 0 );
        }
 
        thrctx = ldap_pvt_thread_pool_context();
@@ -6741,6 +6942,11 @@ config_back_db_close( BackendDB *be, ConfigReply *cr )
                backend_shutdown( &cfb->cb_db );
        }
 
+       if ( defacl_parsed && be->be_acl != defacl_parsed ) {
+               acl_free( defacl_parsed );
+               defacl_parsed = NULL;
+       }
+
        return 0;
 }
 
@@ -6900,6 +7106,7 @@ config_tool_entry_put( BackendDB *be, Entry *e, struct berval *text )
        Operation *op = NULL;
        void *thrctx;
        int isFrontend = 0;
+       int isFrontendChild = 0;
 
        /* Create entry for frontend database if it does not exist already */
        if ( !entry_put_got_frontend ) {
@@ -6948,13 +7155,55 @@ config_tool_entry_put( BackendDB *be, Entry *e, struct berval *text )
                                        return NOID;
                                }
                        } else {
+                               if ( !strncmp( e->e_nname.bv_val + 
+                                       STRLENOF( "olcDatabase" ), "=frontend",
+                                       STRLENOF( "=frontend" ) ) )
+                               {
+                                       struct berval rdn, pdn, ndn;
+                                       dnParent( &e->e_nname, &pdn );
+                                       rdn.bv_val = ca.log;
+                                       rdn.bv_len = snprintf(rdn.bv_val, sizeof( ca.log ),
+                                               "%s=" SLAP_X_ORDERED_FMT "%s",
+                                               cfAd_database->ad_cname.bv_val, -1,
+                                               frontendDB->bd_info->bi_type );
+                                       build_new_dn( &ndn, &pdn, &rdn, NULL );
+                                       ber_memfree( e->e_name.bv_val );
+                                       e->e_name = ndn;
+                                       ber_bvreplace( &e->e_nname, &e->e_name );
+                               }
                                entry_put_got_frontend++;
                                isFrontend = 1;
                        }
                }
        }
+
+       /* Child entries of the frontend database, e.g. slapo-chain's back-ldap
+        * instances, may appear before the config database entry in the ldif, skip
+        * auto-creation of olcDatabase={0}config in such a case */
+       if ( !entry_put_got_config &&
+                       !strncmp( e->e_nname.bv_val, "olcDatabase", STRLENOF( "olcDatabase" ))) {
+               struct berval pdn;
+               dnParent( &e->e_nname, &pdn );
+               while ( pdn.bv_len ) {
+                       if ( !strncmp( pdn.bv_val, "olcDatabase",
+                                       STRLENOF( "olcDatabase" ))) {
+                               if ( !strncmp( pdn.bv_val +
+                                               STRLENOF( "olcDatabase" ), "={-1}frontend",
+                                               STRLENOF( "={-1}frontend" )) ||
+                                               !strncmp( pdn.bv_val +
+                                               STRLENOF( "olcDatabase" ), "=frontend",
+                                               STRLENOF( "=frontend" ))) {
+
+                                       isFrontendChild = 1;
+                                       break;
+                               }
+                       }
+                       dnParent( &pdn, &pdn );
+               }
+       }
+
        /* Create entry for config database if it does not exist already */
-       if ( !entry_put_got_config && !isFrontend ) {
+       if ( !entry_put_got_config && !isFrontend && !isFrontendChild ) {
                if ( !strncmp( e->e_nname.bv_val, "olcDatabase",
                                STRLENOF( "olcDatabase" ))) {
                        if ( strncmp( e->e_nname.bv_val +
@@ -7154,4 +7403,3 @@ config_back_initialize( BackendInfo *bi )
 
        return 0;
 }
-