]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/bconfig.c
trim use of uninitialized data; please review
[openldap] / servers / slapd / bconfig.c
index fd2f8c43a74699a497b0c98aa6ebee3c41fbf913..d050122be294e76f174044fb3474f2d60a8f41bb 100644 (file)
@@ -24,6 +24,7 @@
 #include <ac/string.h>
 #include <ac/ctype.h>
 #include <ac/errno.h>
+#include <sys/stat.h>
 
 #include "slap.h"
 
@@ -31,6 +32,7 @@
 #include "slapi/slapi.h"
 #endif
 
+#include <ldif.h>
 #include <lutil.h>
 
 #include "config.h"
@@ -61,28 +63,12 @@ typedef struct ConfigFile {
        BerVarray c_dseFiles;
 } ConfigFile;
 
-typedef struct CfOcInfo {
-       struct berval *co_name;
-       ConfigTable *co_table;
-       ConfigType co_type;
-       ObjectClass *co_oc;
-} CfOcInfo;
-
-typedef struct CfEntryInfo {
-       struct CfEntryInfo *ce_parent;
-       struct CfEntryInfo *ce_sibs;
-       struct CfEntryInfo *ce_kids;
-       Entry *ce_entry;
-       ConfigType ce_type;
-       BackendInfo *ce_bi;
-       BackendDB *ce_be;
-} CfEntryInfo;
-
 typedef struct {
        ConfigFile *cb_config;
        CfEntryInfo *cb_root;
        BackendDB       cb_db;  /* underlying database */
        int             cb_got_ldif;
+       int             cb_use_ldif;
 } CfBackInfo;
 
 /* These do nothing in slapd, they're kept only to make them
@@ -93,7 +79,9 @@ static int replicationInterval;
 
 static char    *passwd_salt;
 static char    *logfileName;
+#ifdef SLAP_AUTH_REWRITE
 static BerVarray authz_rewrites;
+#endif
 
 static struct berval cfdir;
 
@@ -101,18 +89,12 @@ static struct berval cfdir;
 static AttributeDescription *cfAd_backend, *cfAd_database, *cfAd_overlay,
        *cfAd_include;
 
-static ObjectClass *cfOc_schema, *cfOc_global, *cfOc_backend, *cfOc_database,
-       *cfOc_include, *cfOc_overlay, *cfOc_module;
-
-static ConfigFile cf_prv, *cfn = &cf_prv;
+static ConfigFile *cfn;
 
 static Avlnode *CfOcTree;
 
-static int add_syncrepl LDAP_P(( Backend *, char **, int ));
-static int parse_syncrepl_line LDAP_P(( char **, int, syncinfo_t *));
-static void syncrepl_unparse LDAP_P (( syncinfo_t *, struct berval *));
-static int config_add_internal( CfBackInfo *cfb, Entry *e, SlapReply *rs,
-       int *renumber );
+static int config_add_internal( CfBackInfo *cfb, Entry *e, ConfigArgs *ca,
+       SlapReply *rs, int *renumber );
 
 static ConfigDriver config_fname;
 static ConfigDriver config_cfdir;
@@ -122,10 +104,8 @@ static ConfigDriver config_passwd_hash;
 static ConfigDriver config_schema_dn;
 static ConfigDriver config_sizelimit;
 static ConfigDriver config_timelimit;
-static ConfigDriver config_limits; 
 static ConfigDriver config_overlay;
 static ConfigDriver config_suffix; 
-static ConfigDriver config_deref_depth;
 static ConfigDriver config_rootdn;
 static ConfigDriver config_rootpw;
 static ConfigDriver config_restrict;
@@ -135,7 +115,6 @@ static ConfigDriver config_requires;
 static ConfigDriver config_security;
 static ConfigDriver config_referral;
 static ConfigDriver config_loglevel;
-static ConfigDriver config_syncrepl;
 static ConfigDriver config_replica;
 static ConfigDriver config_updatedn;
 static ConfigDriver config_updateref;
@@ -144,6 +123,7 @@ static ConfigDriver config_include;
 static ConfigDriver config_tls_option;
 static ConfigDriver config_tls_config;
 #endif
+extern ConfigDriver syncrepl_config;
 
 enum {
        CFG_ACL = 1,
@@ -157,8 +137,6 @@ enum {
        CFG_TLS_CA_FILE,
        CFG_TLS_VERIFY,
        CFG_TLS_CRLCHECK,
-       CFG_SIZE,
-       CFG_TIME,
        CFG_CONCUR,
        CFG_THREADS,
        CFG_SALT,
@@ -171,8 +149,6 @@ enum {
        CFG_DIT,
        CFG_ATTR,
        CFG_ATOPT,
-       CFG_CHECK,
-       CFG_AUDITLOG,
        CFG_REPLOG,
        CFG_ROOTDSE,
        CFG_LOGFILE,
@@ -185,6 +161,8 @@ enum {
        CFG_SASLSECP,
        CFG_SSTR_IF_MAX,
        CFG_SSTR_IF_MIN,
+
+       CFG_LAST
 };
 
 typedef struct {
@@ -222,7 +200,7 @@ static OidRec OidMacros[] = {
 
 /* alphabetical ordering */
 
-ConfigTable config_back_cf_table[] = {
+static ConfigTable config_back_cf_table[] = {
        /* This attr is read-only */
        { "", "", 0, 0, 0, ARG_MAGIC,
                &config_fname, "( OLcfgGlAt:78 NAME 'olcConfigFile' "
@@ -249,19 +227,20 @@ ConfigTable config_back_cf_table[] = {
                        "DESC 'File for slapd command line options' "
                        "EQUALITY caseIgnoreMatch "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "attribute",  "attribute", 2, 0, 9, ARG_PAREN|ARG_MAGIC|CFG_ATTR,
+       { "attributeoptions", NULL, 0, 0, 0, ARG_MAGIC|CFG_ATOPT,
+               &config_generic, "( OLcfgGlAt:5 NAME 'olcAttributeOptions' "
+                       "EQUALITY caseIgnoreMatch "
+                       "SYNTAX OMsDirectoryString )", NULL, NULL },
+       { "attribute",  "attribute", 2, 0, 9,
+               ARG_PAREN|ARG_MAGIC|CFG_ATTR|ARG_NO_DELETE|ARG_NO_INSERT,
                &config_generic, "( OLcfgGlAt:4 NAME 'olcAttributeTypes' "
                        "DESC 'OpenLDAP attributeTypes' "
                        "EQUALITY caseIgnoreMatch "
                        "SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )",
                                NULL, NULL },
-       { "attributeoptions", NULL, 0, 0, 0, ARG_MAGIC|CFG_ATOPT,
-               &config_generic, "( OLcfgGlAt:5 NAME 'olcAttributeOptions' "
-                       "EQUALITY caseIgnoreMatch "
-                       "SYNTAX OMsDirectoryString )", NULL, NULL },
-       { "authid-rewrite", NULL, 2, 0, 0,
+       { "authid-rewrite", NULL, 2, 0, STRLENOF( "authid-rewrite" ),
 #ifdef SLAP_AUTH_REWRITE
-               ARG_MAGIC|CFG_REWRITE, &config_generic,
+               ARG_MAGIC|CFG_REWRITE|ARG_NO_INSERT, &config_generic,
 #else
                ARG_IGNORED, NULL,
 #endif
@@ -272,7 +251,7 @@ ConfigTable config_back_cf_table[] = {
                &config_generic, "( OLcfgGlAt:7 NAME 'olcAuthzPolicy' "
                        "EQUALITY caseIgnoreMatch "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "authz-regexp", NULL, 3, 3, 0, ARG_MAGIC|CFG_AZREGEXP,
+       { "authz-regexp", NULL, 3, 3, 0, ARG_MAGIC|CFG_AZREGEXP|ARG_NO_INSERT,
                &config_generic, "( OLcfgGlAt:8 NAME 'olcAuthzRegexp' "
                        "EQUALITY caseIgnoreMatch "
                        "SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
@@ -295,14 +274,14 @@ ConfigTable config_back_cf_table[] = {
                &config_generic, "( OLcfgGlAt:13 NAME 'olcDatabase' "
                        "DESC 'The backend type for a database instance' "
                        "SUP olcBackend SINGLE-VALUE X-ORDERED 'SIBLINGS' )", NULL, NULL },
-       { "defaultSearchBase", "dn", 2, 2, 0, ARG_PRE_BI|ARG_PRE_DB|ARG_DN|ARG_MAGIC,
+       { "defaultSearchBase", "dn", 2, 2, 0, ARG_PRE_BI|ARG_PRE_DB|ARG_DN|ARG_QUOTE|ARG_MAGIC,
                &config_search_base, "( OLcfgGlAt:14 NAME 'olcDefaultSearchBase' "
                        "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
        { "disallows", "features", 2, 0, 8, ARG_PRE_DB|ARG_MAGIC,
                &config_disallows, "( OLcfgGlAt:15 NAME 'olcDisallows' "
                        "EQUALITY caseIgnoreMatch "
                        "SYNTAX OMsDirectoryString )", NULL, NULL },
-       { "ditcontentrule",     NULL, 0, 0, 0, ARG_MAGIC|CFG_DIT,
+       { "ditcontentrule",     NULL, 0, 0, 0, ARG_MAGIC|CFG_DIT|ARG_NO_DELETE|ARG_NO_INSERT,
                &config_generic, "( OLcfgGlAt:16 NAME 'olcDitContentRules' "
                        "DESC 'OpenLDAP DIT content rules' "
                        "EQUALITY caseIgnoreMatch "
@@ -319,7 +298,6 @@ ConfigTable config_back_cf_table[] = {
        { "idletimeout", "timeout", 2, 2, 0, ARG_INT,
                &global_idletimeout, "( OLcfgGlAt:18 NAME 'olcIdleTimeout' "
                        "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
-/* XXX -- special case? */
        { "include", "file", 2, 2, 0, ARG_MAGIC,
                &config_include, "( OLcfgGlAt:19 NAME 'olcInclude' "
                        "SUP labeledURI )", NULL, NULL },
@@ -332,7 +310,7 @@ ConfigTable config_back_cf_table[] = {
        { "index_substr_any_len", "len", 2, 2, 0, ARG_INT|ARG_NONZERO,
                &index_substr_any_len, "( OLcfgGlAt:22 NAME 'olcIndexSubstrAnyLen' "
                        "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
-       { "index_substr_step", "step", 2, 2, 0, ARG_INT|ARG_NONZERO,
+       { "index_substr_any_step", "step", 2, 2, 0, ARG_INT|ARG_NONZERO,
                &index_substr_any_step, "( OLcfgGlAt:23 NAME 'olcIndexSubstrAnyStep' "
                        "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
        { "lastmod", "on|off", 2, 2, 0, ARG_DB|ARG_ON_OFF|ARG_MAGIC|CFG_LASTMOD,
@@ -340,7 +318,7 @@ ConfigTable config_back_cf_table[] = {
                        "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
        { "limits", "limits", 2, 0, 0, ARG_DB|ARG_MAGIC|CFG_LIMITS,
                &config_generic, "( OLcfgDbAt:0.5 NAME 'olcLimits' "
-                       "SYNTAX OMsDirectoryString )", NULL, NULL },
+                       "SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
        { "localSSF", "ssf", 2, 2, 0, ARG_INT,
                &local_ssf, "( OLcfgGlAt:26 NAME 'olcLocalSSF' "
                        "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
@@ -363,13 +341,13 @@ ConfigTable config_back_cf_table[] = {
                        "SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
        { "modulepath", "path", 2, 2, 0,
 #ifdef SLAPD_MODULES
-               ARG_MAGIC|CFG_MODPATH, &config_generic,
+               ARG_MAGIC|CFG_MODPATH|ARG_NO_DELETE|ARG_NO_INSERT, &config_generic,
 #else
                ARG_IGNORED, NULL,
 #endif
                "( OLcfgGlAt:31 NAME 'olcModulePath' "
-                       "SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
-       { "objectclass", "objectclass", 2, 0, 0, ARG_PAREN|ARG_MAGIC|CFG_OC,
+                       "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+       { "objectclass", "objectclass", 2, 0, 0, ARG_PAREN|ARG_MAGIC|CFG_OC|ARG_NO_DELETE|ARG_NO_INSERT,
                &config_generic, "( OLcfgGlAt:32 NAME 'olcObjectClasses' "
                "DESC 'OpenLDAP object classes' "
                "EQUALITY caseIgnoreMatch "
@@ -441,7 +419,7 @@ ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:49 NAME 'olcReverseLookup' "
                        "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
-       { "rootdn", "dn", 2, 2, 0, ARG_DB|ARG_DN|ARG_MAGIC,
+       { "rootdn", "dn", 2, 2, 0, ARG_DB|ARG_DN|ARG_QUOTE|ARG_MAGIC,
                &config_rootdn, "( OLcfgDbAt:0.8 NAME 'olcRootDN' "
                        "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
        { "rootDSE", "file", 2, 2, 0, ARG_MAGIC|CFG_ROOTDSE,
@@ -480,18 +458,15 @@ ConfigTable config_back_cf_table[] = {
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
        { "saslRegexp", NULL, 3, 3, 0, ARG_MAGIC|CFG_AZREGEXP,
                &config_generic, NULL, NULL, NULL },
-       { "schemacheck", "on|off", 2, 2, 0, ARG_ON_OFF|ARG_MAGIC|CFG_CHECK,
-               &config_generic, "( OLcfgGlAt:57 NAME 'olcSchemaCheck' "
-                       "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
-       { "schemadn", "dn", 2, 2, 0, ARG_MAY_DB|ARG_DN|ARG_MAGIC,
+       { "schemadn", "dn", 2, 2, 0, ARG_MAY_DB|ARG_DN|ARG_QUOTE|ARG_MAGIC,
                &config_schema_dn, "( OLcfgGlAt:58 NAME 'olcSchemaDN' "
                        "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
        { "security", "factors", 2, 0, 0, ARG_MAY_DB|ARG_MAGIC,
                &config_security, "( OLcfgGlAt:59 NAME 'olcSecurity' "
                        "SYNTAX OMsDirectoryString )", NULL, NULL },
-       { "sizelimit", "limit", 2, 0, 0, ARG_MAY_DB|ARG_MAGIC|CFG_SIZE,
+       { "sizelimit", "limit", 2, 0, 0, ARG_MAY_DB|ARG_MAGIC,
                &config_sizelimit, "( OLcfgGlAt:60 NAME 'olcSizeLimit' "
-                       "SYNTAX OMsInteger )", NULL, NULL },
+                       "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
        { "sockbuf_max_incoming", "max", 2, 2, 0, ARG_BER_LEN_T,
                &sockbuf_max_incoming, "( OLcfgGlAt:61 NAME 'olcSockbufMaxIncoming' "
                        "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
@@ -506,18 +481,18 @@ ConfigTable config_back_cf_table[] = {
 #endif
                "( OLcfgGlAt:63 NAME 'olcSrvtab' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
-       { "suffix",     "suffix", 2, 2, 0, ARG_DB|ARG_DN|ARG_MAGIC,
+       { "suffix",     "suffix", 2, 2, 0, ARG_DB|ARG_DN|ARG_QUOTE|ARG_MAGIC,
                &config_suffix, "( OLcfgDbAt:0.10 NAME 'olcSuffix' "
                        "SYNTAX OMsDN )", NULL, NULL },
        { "syncrepl", NULL, 0, 0, 0, ARG_DB|ARG_MAGIC,
-               &config_syncrepl, "( OLcfgDbAt:0.11 NAME 'olcSyncrepl' "
+               &syncrepl_config, "( OLcfgDbAt:0.11 NAME 'olcSyncrepl' "
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
        { "threads", "count", 2, 2, 0, ARG_INT|ARG_MAGIC|CFG_THREADS,
                &config_generic, "( OLcfgGlAt:66 NAME 'olcThreads' "
                        "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
-       { "timelimit", "limit", 2, 0, 0, ARG_MAY_DB|ARG_MAGIC|CFG_TIME,
+       { "timelimit", "limit", 2, 0, 0, ARG_MAY_DB|ARG_MAGIC,
                &config_timelimit, "( OLcfgGlAt:67 NAME 'olcTimeLimit' "
-                       "SYNTAX OMsInteger )", NULL, NULL },
+                       "SYNTAX OMsDirectoryString )", NULL, NULL },
        { "TLSCACertificateFile", NULL, 0, 0, 0,
 #ifdef HAVE_TLS
                CFG_TLS_CA_FILE|ARG_STRING|ARG_MAGIC, &config_tls_option,
@@ -584,7 +559,7 @@ ConfigTable config_back_cf_table[] = {
                        "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
        { "ucdata-path", "path", 2, 2, 0, ARG_IGNORED,
                NULL, NULL, NULL, NULL },
-       { "updatedn", "dn", 2, 2, 0, ARG_DB|ARG_MAGIC,
+       { "updatedn", "dn", 2, 2, 0, ARG_DB|ARG_DN|ARG_QUOTE|ARG_MAGIC,
                &config_updatedn, "( OLcfgDbAt:0.12 NAME 'olcUpdateDN' "
                        "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
        { "updateref", "url", 2, 2, 0, ARG_DB|ARG_MAGIC,
@@ -594,12 +569,29 @@ ConfigTable config_back_cf_table[] = {
                NULL, NULL, NULL, NULL }
 };
 
+/* Routines to check if a child can be added to this type */
+static ConfigLDAPadd cfAddSchema, cfAddInclude, cfAddDatabase,
+       cfAddBackend, cfAddModule, cfAddOverlay;
+
+/* NOTE: be careful when defining array members
+ * that can be conditionally compiled */
+#define CFOC_GLOBAL    cf_ocs[1]
+#define CFOC_SCHEMA    cf_ocs[2]
+#define CFOC_BACKEND   cf_ocs[3]
+#define CFOC_DATABASE  cf_ocs[4]
+#define CFOC_OVERLAY   cf_ocs[5]
+#define CFOC_INCLUDE   cf_ocs[6]
+#define CFOC_FRONTEND  cf_ocs[7]
+#ifdef SLAPD_MODULES
+#define CFOC_MODULE    cf_ocs[8]
+#endif /* SLAPD_MODULES */
+
 static ConfigOCs cf_ocs[] = {
-       { "( OLcfgGlOc:1 "
+       { "( OLcfgGlOc:0 "
                "NAME 'olcConfig' "
                "DESC 'OpenLDAP configuration object' "
                "ABSTRACT SUP top )", Cft_Abstract, NULL },
-       { "( OLcfgGlOc:2 "
+       { "( OLcfgGlOc:1 "
                "NAME 'olcGlobal' "
                "DESC 'OpenLDAP Global configuration options' "
                "SUP olcConfig STRUCTURAL "
@@ -610,34 +602,34 @@ static ConfigOCs cf_ocs[] = {
                 "olcDisallows $ olcGentleHUP $ olcIdleTimeout $ "
                 "olcIndexSubstrIfMaxLen $ olcIndexSubstrIfMinLen $ "
                 "olcIndexSubstrAnyLen $ olcIndexSubstrAnyStep $ olcLocalSSF $ "
-                "olcLogLevel $ olcModulePath $ "
+                "olcLogLevel $ "
                 "olcPasswordCryptSaltFormat $ olcPasswordHash $ olcPidFile $ "
                 "olcPluginLogFile $ olcReadOnly $ olcReferral $ "
                 "olcReplicaPidFile $ olcReplicaArgsFile $ olcReplicationInterval $ "
                 "olcReplogFile $ olcRequires $ olcRestrict $ olcReverseLookup $ "
-                "olcRootDSE $ olcRootPW $ "
+                "olcRootDSE $ "
                 "olcSaslHost $ olcSaslRealm $ olcSaslSecProps $ "
-                "olcSchemaCheck $ olcSecurity $ olcSizeLimit $ "
+                "olcSecurity $ olcSizeLimit $ "
                 "olcSockbufMaxIncoming $ olcSockbufMaxIncomingAuth $ olcSrvtab $ "
                 "olcThreads $ olcTimeLimit $ olcTLSCACertificateFile $ "
                 "olcTLSCACertificatePath $ olcTLSCertificateFile $ "
                 "olcTLSCertificateKeyFile $ olcTLSCipherSuite $ olcTLSCRLCheck $ "
                 "olcTLSRandFile $ olcTLSVerifyClient $ "
                 "olcObjectIdentifier $ olcAttributeTypes $ olcObjectClasses $ "
-                "olcDitContentRules ) )", Cft_Global, &cfOc_global },
-       { "( OLcfgGlOc:3 "
+                "olcDitContentRules ) )", Cft_Global },
+       { "( OLcfgGlOc:2 "
                "NAME 'olcSchemaConfig' "
                "DESC 'OpenLDAP schema object' "
                "SUP olcConfig STRUCTURAL "
                "MAY ( cn $ olcObjectIdentifier $ olcAttributeTypes $ "
                 "olcObjectClasses $ olcDitContentRules ) )",
-                       Cft_Schema, &cfOc_schema },
-       { "( OLcfgGlOc:4 "
+                       Cft_Schema, NULL, cfAddSchema },
+       { "( OLcfgGlOc:3 "
                "NAME 'olcBackendConfig' "
                "DESC 'OpenLDAP Backend-specific options' "
                "SUP olcConfig STRUCTURAL "
-               "MUST olcBackend )", Cft_Backend, &cfOc_backend },
-       { "( OLcfgGlOc:5 "
+               "MUST olcBackend )", Cft_Backend, NULL, cfAddBackend },
+       { "( OLcfgGlOc:4 "
                "NAME 'olcDatabaseConfig' "
                "DESC 'OpenLDAP Database-specific options' "
                "SUP olcConfig STRUCTURAL "
@@ -647,26 +639,36 @@ static ConfigOCs cf_ocs[] = {
                 "olcReplogFile $ olcRequires $ olcRestrict $ olcRootDN $ olcRootPW $ "
                 "olcSchemaDN $ olcSecurity $ olcSizeLimit $ olcSyncrepl $ "
                 "olcTimeLimit $ olcUpdateDN $ olcUpdateRef ) )",
-                       Cft_Database, &cfOc_database },
-       { "( OLcfgGlOc:6 "
+                       Cft_Database, NULL, cfAddDatabase },
+       { "( OLcfgGlOc:5 "
                "NAME 'olcOverlayConfig' "
                "DESC 'OpenLDAP Overlay-specific options' "
                "SUP olcConfig STRUCTURAL "
-               "MUST olcOverlay )", Cft_Overlay, &cfOc_overlay },
-       { "( OLcfgGlOc:7 "
+               "MUST olcOverlay )", Cft_Overlay, NULL, cfAddOverlay },
+       { "( OLcfgGlOc:6 "
                "NAME 'olcIncludeFile' "
                "DESC 'OpenLDAP configuration include file' "
                "SUP olcConfig STRUCTURAL "
                "MUST olcInclude "
                "MAY ( cn $ olcRootDSE ) )",
-               Cft_Include, &cfOc_include },
+               Cft_Include, NULL, cfAddInclude },
+       /* This should be STRUCTURAL like all the other database classes, but
+        * that would mean inheriting all of the olcDatabaseConfig attributes,
+        * which causes them to be merged twice in config_build_entry.
+        */
+       { "( OLcfgGlOc:7 "
+               "NAME 'olcFrontendConfig' "
+               "DESC 'OpenLDAP frontend configuration' "
+               "AUXILIARY "
+               "MAY olcDefaultSearchBase )",
+               Cft_Database, NULL, NULL },
 #ifdef SLAPD_MODULES
        { "( OLcfgGlOc:8 "
                "NAME 'olcModuleList' "
                "DESC 'OpenLDAP dynamic module info' "
                "SUP olcConfig STRUCTURAL "
-               "MUST olcModuleLoad "
-               "MAY cn )", Cft_Module, &cfOc_module },
+               "MAY ( cn $ olcModulePath $ olcModuleLoad ) )",
+               Cft_Module, NULL, cfAddModule },
 #endif
        { NULL, 0, NULL }
 };
@@ -709,7 +711,8 @@ config_generic(ConfigArgs *c) {
                        if ( !c->rvalue_vals ) rc = 1;
                        break;
                case CFG_RO:
-                       c->value_int = (c->be->be_restrictops & SLAP_RESTRICT_OP_WRITES) != 0;
+                       c->value_int = (c->be->be_restrictops & SLAP_RESTRICT_OP_WRITES) ==
+                               SLAP_RESTRICT_OP_WRITES;
                        break;
                case CFG_AZPOLICY:
                        c->value_string = ch_strdup( slap_sasl_getpolicy());
@@ -778,9 +781,6 @@ config_generic(ConfigArgs *c) {
                        }
                        break;
                        
-               case CFG_CHECK:
-                       c->value_int = global_schemacheck;
-                       break;
                case CFG_ACL: {
                        AccessControl *a;
                        char *src, *dst, ibuf[11];
@@ -852,16 +852,10 @@ config_generic(ConfigArgs *c) {
                        }
                        break;
                case CFG_MODPATH: {
-                       ModPaths *mp;
-                       for (i=0, mp=&modpaths; mp; mp=mp->mp_next, i++) {
-                               struct berval bv;
-                               if ( BER_BVISNULL( &mp->mp_path ) && !mp->mp_loads )
-                                       continue;
-                               bv.bv_val = c->log;
-                               bv.bv_len = sprintf( bv.bv_val, IFMT "%s", i,
-                                       mp->mp_path.bv_val );
-                               value_add_one( &c->rvalue_vals, &bv );
-                       }
+                       ModPaths *mp = c->private;
+                       if ( !BER_BVISNULL( &mp->mp_path ))
+                               value_add_one( &c->rvalue_vals, &mp->mp_path );
+
                        rc = c->rvalue_vals ? 0 : 1;
                        }
                        break;
@@ -896,27 +890,93 @@ config_generic(ConfigArgs *c) {
                        rc = 1;
                }
                return rc;
-       }
-
-       p = strchr(c->line,'(' /*')'*/);
-       if ( c->op == LDAP_MOD_DELETE ) {
+       } else if ( c->op == LDAP_MOD_DELETE ) {
                int rc = 0;
                switch(c->type) {
-               case CFG_BACKEND:
-               case CFG_DATABASE:
-                       rc = 1;
-                       break;
+               /* single-valued attrs, no-ops */
                case CFG_CONCUR:
-                       ldap_pvt_thread_set_concurrency(c->value_int);
+               case CFG_THREADS:
+               case CFG_RO:
+               case CFG_AZPOLICY:
+               case CFG_DEPTH:
+               case CFG_LASTMOD:
+               case CFG_SASLSECP:
+               case CFG_SSTR_IF_MAX:
+               case CFG_SSTR_IF_MIN:
+                       break;
+
+               /* no-ops, requires slapd restart */
+               case CFG_PLUGIN:
+               case CFG_MODLOAD:
+               case CFG_AZREGEXP:
+               case CFG_REWRITE:
+                       sprintf(c->log, "change requires slapd restart");
+                       break;
+
+               case CFG_SALT:
+                       ch_free( passwd_salt );
+                       passwd_salt = NULL;
+                       break;
+
+               case CFG_REPLOG:
+                       ch_free( c->be->be_replogfile );
+                       c->be->be_replogfile = NULL;
+                       break;
+
+               case CFG_LOGFILE:
+                       ch_free( logfileName );
+                       logfileName = NULL;
+                       break;
+
+               case CFG_ACL:
+                       if ( c->valx < 0 ) {
+                               AccessControl *end;
+                               if ( c->be == frontendDB )
+                                       end = NULL;
+                               else
+                                       end = frontendDB->be_acl;
+                               acl_destroy( c->be->be_acl, end );
+                       } else {
+                               AccessControl **prev, *a;
+                               int i;
+                               for (i=0, prev = &c->be->be_acl; i < c->valx;
+                                       i++ ) {
+                                       a = *prev;
+                                       prev = &a->acl_next;
+                               }
+                               a = *prev;
+                               *prev = a->acl_next;
+                               acl_free( a );
+                       }
                        break;
 
+               case CFG_LIMITS:
+                       /* FIXME: there is no limits_free function */
+               case CFG_ATOPT:
+                       /* FIXME: there is no ad_option_free function */
+               case CFG_ROOTDSE:
+                       /* FIXME: there is no way to remove attributes added by
+                               a DSE file */
+               case CFG_OID:
+               case CFG_OC:
+               case CFG_DIT:
+               case CFG_ATTR:
+               case CFG_MODPATH:
+               default:
+                       rc = 1;
+                       break;
                }
+               return rc;
        }
+
+       p = strchr(c->line,'(' /*')'*/);
+
        switch(c->type) {
                case CFG_BACKEND:
                        if(!(c->bi = backend_info(c->argv[1]))) {
-                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                       "backend %s failed init!\n", c->log, c->argv[1], 0);
+                               sprintf( c->msg, "<%s> failed init", c->argv[0] );
+                               Debug(LDAP_DEBUG_ANY, "%s: %s (%s)!\n",
+                                       c->log, c->msg, c->argv[1] );
                                return(1);
                        }
                        break;
@@ -929,10 +989,14 @@ config_generic(ConfigArgs *c) {
                                c->be = LDAP_STAILQ_FIRST(&backendDB);
                        } else if ( !strcasecmp( c->argv[1], "frontend" )) {
                                c->be = frontendDB;
-                       } else if(!(c->be = backend_db_init(c->argv[1]))) {
-                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                       "database %s failed init!\n", c->log, c->argv[1], 0);
-                               return(1);
+                       } else {
+                               c->be = backend_db_init(c->argv[1]);
+                               if ( !c->be ) {
+                                       sprintf( c->msg, "<%s> failed init", c->argv[0] );
+                                       Debug(LDAP_DEBUG_ANY, "%s: %s (%s)!\n",
+                                               c->log, c->msg, c->argv[1] );
+                                       return(1);
+                               }
                        }
                        break;
 
@@ -966,9 +1030,9 @@ config_generic(ConfigArgs *c) {
                case CFG_AZPOLICY:
                        ch_free(c->value_string);
                        if (slap_sasl_setpolicy( c->argv[1] )) {
-                               Debug(LDAP_DEBUG_ANY, "%s: unable to parse value \"%s\" in"
-                                       " \"authz-policy <policy>\"\n",
-                                       c->log, c->argv[1], 0 );
+                               sprintf( c->msg, "<%s> unable to parse value", c->argv[0] );
+                               Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
+                                       c->log, c->msg, c->argv[1] );
                                return(1);
                        }
                        break;
@@ -983,8 +1047,9 @@ config_generic(ConfigArgs *c) {
                        {
                        char *txt = slap_sasl_secprops( c->argv[1] );
                        if ( txt ) {
-                               Debug(LDAP_DEBUG_ANY, "%s: sasl-secprops: %s\n",
-                                       c->log, txt, 0 );
+                               snprintf( c->msg, sizeof(c->msg), "<%s> %s",
+                                       c->argv[0], txt );
+                               Debug(LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->msg, 0 );
                                return(1);
                        }
                        break;
@@ -1039,15 +1104,8 @@ config_generic(ConfigArgs *c) {
                                        return(1);
                        break;
 
-               case CFG_CHECK:
-                       global_schemacheck = c->value_int;
-                       if(!global_schemacheck) Debug(LDAP_DEBUG_ANY, "%s: "
-                               "schema checking disabled! your mileage may vary!\n",
-                               c->log, 0, 0);
-                       break;
-
                case CFG_ACL:
-                       parse_acl(c->be, c->fname, c->lineno, c->argc, c->argv);
+                       parse_acl(c->be, c->fname, c->lineno, c->argc, c->argv, c->valx);
                        break;
 
                case CFG_REPLOG:
@@ -1064,9 +1122,9 @@ config_generic(ConfigArgs *c) {
 
                case CFG_ROOTDSE:
                        if(read_root_dse_file(c->argv[1])) {
-                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                       "could not read \"rootDSE <filename>\" line\n",
-                                       c->log, 0, 0);
+                               sprintf( c->msg, "<%s> could not read file", c->argv[0] );
+                               Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
+                                       c->log, c->msg, c->argv[1] );
                                return(1);
                        }
                        {
@@ -1086,9 +1144,10 @@ config_generic(ConfigArgs *c) {
 
                case CFG_LASTMOD:
                        if(SLAP_NOLASTMODCMD(c->be)) {
-                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                       "lastmod not available for %s databases\n",
-                                       c->log, c->be->bd_info->bi_type, 0);
+                               sprintf( c->msg, "<%s> not available for %s database",
+                                       c->argv[0], c->be->bd_info->bi_type );
+                               Debug(LDAP_DEBUG_ANY, "%s: %s\n",
+                                       c->log, c->msg, 0 );
                                return(1);
                        }
                        if(c->value_int)
@@ -1099,9 +1158,9 @@ config_generic(ConfigArgs *c) {
 
                case CFG_SSTR_IF_MAX:
                        if (c->value_int < index_substr_if_minlen) {
-                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                       "invalid max value (%d)\n",
-                                       c->log, c->value_int, 0 );
+                               sprintf( c->msg, "<%s> invalid value", c->argv[0] );
+                               Debug(LDAP_DEBUG_ANY, "%s: %s (%d)\n",
+                                       c->log, c->msg, c->value_int );
                                return(1);
                        }
                        index_substr_if_maxlen = c->value_int;
@@ -1109,9 +1168,9 @@ config_generic(ConfigArgs *c) {
 
                case CFG_SSTR_IF_MIN:
                        if (c->value_int > index_substr_if_maxlen) {
-                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                       "invalid min value (%d)\n",
-                                       c->log, c->value_int, 0 );
+                               sprintf( c->msg, "<%s> invalid value", c->argv[0] );
+                               Debug(LDAP_DEBUG_ANY, "%s: %s (%d)\n",
+                                       c->log, c->msg, c->value_int );
                                return(1);
                        }
                        index_substr_if_minlen = c->value_int;
@@ -1119,14 +1178,33 @@ config_generic(ConfigArgs *c) {
 
 #ifdef SLAPD_MODULES
                case CFG_MODLOAD:
+                       /* If we're just adding a module on an existing modpath,
+                        * make sure we've selected the current path.
+                        */
+                       if ( c->op == LDAP_MOD_ADD && c->private && modcur != c->private ) {
+                               modcur = c->private;
+                               /* This should never fail */
+                               if ( module_path( modcur->mp_path.bv_val )) {
+                                       sprintf( c->msg, "<%s> module path no longer valid",
+                                               c->argv[0] );
+                                       Debug(LDAP_DEBUG_ANY, "%s: %s (%s)\n",
+                                               c->log, c->msg, modcur->mp_path.bv_val );
+                                       return(1);
+                               }
+                       }
                        if(module_load(c->argv[1], c->argc - 2, (c->argc > 2) ? c->argv + 2 : NULL))
                                return(1);
                        /* Record this load on the current path */
                        {
                                struct berval bv;
-                               char *ptr = c->line + STRLENOF("moduleload");
-                               while (!isspace(*ptr)) ptr++;
-                               while (isspace(*ptr)) ptr++;
+                               char *ptr;
+                               if ( c->op == SLAP_CONFIG_ADD ) {
+                                       ptr = c->line + STRLENOF("moduleload");
+                                       while (!isspace(*ptr)) ptr++;
+                                       while (isspace(*ptr)) ptr++;
+                               } else {
+                                       ptr = c->line;
+                               }
                                ber_str2bv(ptr, 0, 1, &bv);
                                ber_bvarray_add( &modcur->mp_loads, &bv );
                        }
@@ -1148,8 +1226,8 @@ config_generic(ConfigArgs *c) {
                                mp->mp_next = NULL;
                                mp->mp_loads = NULL;
                                modlast = mp;
-                               if ( c->op == SLAP_CONFIG_ADD )
-                                       modcur = mp;
+                               c->private = mp;
+                               modcur = mp;
                        }
                        
                        break;
@@ -1166,9 +1244,27 @@ config_generic(ConfigArgs *c) {
 #ifdef SLAP_AUTH_REWRITE
                case CFG_REWRITE: {
                        struct berval bv;
+                       char *line;
+                       
                        if(slap_sasl_rewrite_config(c->fname, c->lineno, c->argc, c->argv))
                                return(1);
-                       ber_str2bv( c->line, 0, 1, &bv );
+
+                       if ( c->argc > 1 ) {
+                               char    *s;
+
+                               /* quote all args but the first */
+                               line = ldap_charray2str( c->argv, "\" \"" );
+                               ber_str2bv( line, 0, 0, &bv );
+                               s = strchr( bv.bv_val, '"' );
+                               assert( s != NULL );
+                               /* move the trailing quote of argv[0] to the end */
+                               AC_MEMCPY( s, s + 1, bv.bv_len - ( s - bv.bv_val ) );
+                               bv.bv_val[ bv.bv_len - 1 ] = '"';
+
+                       } else {
+                               ber_str2bv( c->argv[ 0 ], 0, 1, &bv );
+                       }
+                       
                        ber_bvarray_add( &authz_rewrites, &bv );
                        }
                        break;
@@ -1176,8 +1272,13 @@ config_generic(ConfigArgs *c) {
 
 
                default:
-                       Debug(LDAP_DEBUG_ANY, "%s: unknown CFG_TYPE %d"
-                               "(ignored)\n", c->log, c->type, 0);
+                       Debug( SLAPD_DEBUG_CONFIG_ERROR,
+                               "%s: unknown CFG_TYPE %d"
+                               SLAPD_CONF_UNKNOWN_IGNORED ".\n",
+                               c->log, c->type, 0 );
+#ifdef SLAPD_CONF_UNKNOWN_BAILOUT
+                       return 1;
+#endif /* SLAPD_CONF_UNKNOWN_BAILOUT */
 
        }
        return(0);
@@ -1200,16 +1301,17 @@ config_fname(ConfigArgs *c) {
 static int
 config_cfdir(ConfigArgs *c) {
        if(c->op == SLAP_CONFIG_EMIT) {
-               value_add_one( &c->rvalue_vals, &cfdir );
-               return 0;
+               if ( !BER_BVISEMPTY( &cfdir )) {
+                       value_add_one( &c->rvalue_vals, &cfdir );
+                       return 0;
+               }
+               return 1;
        }
        return(0);
 }
 
 static int
 config_search_base(ConfigArgs *c) {
-       struct berval dn;
-
        if(c->op == SLAP_CONFIG_EMIT) {
                int rc = 1;
                if (!BER_BVISEMPTY(&default_search_base)) {
@@ -1218,6 +1320,12 @@ config_search_base(ConfigArgs *c) {
                        rc = 0;
                }
                return rc;
+       } else if( c->op == LDAP_MOD_DELETE ) {
+               ch_free( default_search_base.bv_val );
+               ch_free( default_search_nbase.bv_val );
+               BER_BVZERO( &default_search_base );
+               BER_BVZERO( &default_search_nbase );
+               return 0;
        }
 
        if(c->bi || c->be != frontendDB) {
@@ -1228,10 +1336,6 @@ config_search_base(ConfigArgs *c) {
        }
 
        if(default_search_nbase.bv_len) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "default search base \"%s\" already defined "
-                       "(discarding old)\n",
-                       c->log, default_search_base.bv_val, 0);
                free(default_search_base.bv_val);
                free(default_search_nbase.bv_val);
        }
@@ -1251,6 +1355,17 @@ config_passwd_hash(ConfigArgs *c) {
                        value_add_one(&c->rvalue_vals, &bv);
                }
                return i ? 0 : 1;
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               if ( c->valx < 0 ) {
+                       ldap_charray_free( default_passwd_hash );
+                       default_passwd_hash = NULL;
+               } else {
+                       i = c->valx;
+                       ch_free( default_passwd_hash[i] );
+                       for (; default_passwd_hash[i]; i++ )
+                               default_passwd_hash[i] = default_passwd_hash[i+1];
+               }
+               return 0;
        }
        if(default_passwd_hash) {
                Debug(LDAP_DEBUG_ANY, "%s: "
@@ -1260,15 +1375,16 @@ config_passwd_hash(ConfigArgs *c) {
        }
        for(i = 1; i < c->argc; i++) {
                if(!lutil_passwd_scheme(c->argv[i])) {
-                       Debug(LDAP_DEBUG_ANY, "%s: "
-                               "password scheme \"%s\" not available\n",
-                               c->log, c->argv[i], 0);
+                       sprintf( c->msg, "<%s> schema not available", c->argv[0] );
+                       Debug(LDAP_DEBUG_ANY, "%s: %s (%s)\n",
+                               c->log, c->msg, c->argv[i]);
                } else {
                        ldap_charray_add(&default_passwd_hash, c->argv[i]);
                }
                if(!default_passwd_hash) {
-                       Debug(LDAP_DEBUG_ANY, "%s: no valid hashes found\n",
-                               c->log, 0, 0 );
+                       sprintf( c->msg, "<%s> no valid hashes found", c->argv[0] );
+                       Debug(LDAP_DEBUG_ANY, "%s: %s\n",
+                               c->log, c->msg, 0 );
                        return(1);
                }
        }
@@ -1285,7 +1401,15 @@ config_schema_dn(ConfigArgs *c) {
                        rc = 0;
                }
                return rc;
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               ch_free( c->be->be_schemadn.bv_val );
+               ch_free( c->be->be_schemandn.bv_val );
+               BER_BVZERO( &c->be->be_schemadn );
+               BER_BVZERO( &c->be->be_schemandn );
+               return 0;
        }
+       ch_free( c->be->be_schemadn.bv_val );
+       ch_free( c->be->be_schemandn.bv_val );
        c->be->be_schemadn = c->value_dn;
        c->be->be_schemandn = c->value_ndn;
        return(0);
@@ -1307,14 +1431,23 @@ config_sizelimit(ConfigArgs *c) {
                else
                        rc = 1;
                return rc;
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               /* Reset to defaults */
+               lim->lms_s_soft = SLAPD_DEFAULT_SIZELIMIT;
+               lim->lms_s_hard = 0;
+               lim->lms_s_unchecked = -1;
+               lim->lms_s_pr = 0;
+               lim->lms_s_pr_hide = 0;
+               lim->lms_s_pr_total = 0;
+               return 0;
        }
        for(i = 1; i < c->argc; i++) {
                if(!strncasecmp(c->argv[i], "size", 4)) {
                        rc = limits_parse_one(c->argv[i], lim);
                        if ( rc ) {
-                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                       "unable to parse value \"%s\" in \"sizelimit <limit>\" line\n",
-                                       c->log, c->argv[i], 0);
+                               sprintf( c->msg, "<%s> unable to parse value", c->argv[0] );
+                               Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
+                                       c->log, c->msg, c->argv[i]);
                                return(1);
                        }
                } else {
@@ -1323,14 +1456,18 @@ config_sizelimit(ConfigArgs *c) {
                        } else {
                                lim->lms_s_soft = strtol(c->argv[i], &next, 0);
                                if(next == c->argv[i]) {
-                                       Debug(LDAP_DEBUG_ANY, "%s: "
-                                               "unable to parse limit \"%s\" in \"sizelimit <limit>\" line\n",
-                                               c->log, c->argv[i], 0);
+                                       sprintf( c->msg, "<%s> unable to parse limit", c->argv[0]);
+                                       Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
+                                               c->log, c->msg, c->argv[i]);
                                        return(1);
                                } else if(next[0] != '\0') {
-                                       Debug(LDAP_DEBUG_ANY, "%s: "
-                                               "trailing chars \"%s\" in \"sizelimit <limit>\" line (ignored)\n",
+                                       Debug( SLAPD_DEBUG_CONFIG_ERROR, "%s: "
+                                               "trailing chars \"%s\" in \"sizelimit <limit>\" line"
+                                               SLAPD_CONF_UNKNOWN_IGNORED ".\n",
                                                c->log, next, 0);
+#ifdef SLAPD_CONF_UNKNOWN_BAILOUT
+                                       return 1;
+#endif /* SLAPD_CONF_UNKNOWN_BAILOUT */
                                }
                        }
                        lim->lms_s_hard = 0;
@@ -1355,14 +1492,19 @@ config_timelimit(ConfigArgs *c) {
                else
                        rc = 1;
                return rc;
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               /* Reset to defaults */
+               lim->lms_t_soft = SLAPD_DEFAULT_TIMELIMIT;
+               lim->lms_t_hard = 0;
+               return 0;
        }
        for(i = 1; i < c->argc; i++) {
                if(!strncasecmp(c->argv[i], "time", 4)) {
                        rc = limits_parse_one(c->argv[i], lim);
                        if ( rc ) {
-                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                       "unable to parse value \"%s\" in \"timelimit <limit>\" line\n",
-                                       c->log, c->argv[i], 0);
+                               sprintf( c->msg, "<%s> unable to parse value", c->argv[0] );
+                               Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
+                                       c->log, c->msg, c->argv[i]);
                                return(1);
                        }
                } else {
@@ -1371,14 +1513,18 @@ config_timelimit(ConfigArgs *c) {
                        } else {
                                lim->lms_t_soft = strtol(c->argv[i], &next, 0);
                                if(next == c->argv[i]) {
-                                       Debug(LDAP_DEBUG_ANY, "%s: "
-                                               "unable to parse limit \"%s\" in \"timelimit <limit>\" line\n",
-                                               c->log, c->argv[i], 0);
+                                       sprintf( c->msg, "<%s> unable to parse limit", c->argv[0]);
+                                       Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
+                                               c->log, c->msg, c->argv[i]);
                                        return(1);
                                } else if(next[0] != '\0') {
-                                       Debug(LDAP_DEBUG_ANY, "%s: "
-                                               "trailing chars \"%s\" in \"timelimit <limit>\" line (ignored)\n",
+                                       Debug( SLAPD_DEBUG_CONFIG_ERROR, "%s: "
+                                               "trailing chars \"%s\" in \"timelimit <limit>\" line"
+                                               SLAPD_CONF_UNKNOWN_IGNORED ".\n",
                                                c->log, next, 0);
+#ifdef SLAPD_CONF_UNKNOWN_BAILOUT
+                                       return 1;
+#endif /* SLAPD_CONF_UNKNOWN_BAILOUT */
                                }
                        }
                        lim->lms_t_hard = 0;
@@ -1389,27 +1535,81 @@ config_timelimit(ConfigArgs *c) {
 
 static int
 config_overlay(ConfigArgs *c) {
+       slap_overinfo *oi;
        if (c->op == SLAP_CONFIG_EMIT) {
                return 1;
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               assert(0);
        }
        if(c->argv[1][0] == '-' && overlay_config(c->be, &c->argv[1][1])) {
                /* log error */
-               Debug(LDAP_DEBUG_ANY, "%s: (optional) %s overlay \"%s\" configuration failed (ignored)\n",
-                       c->log, c->be == frontendDB ? "global " : "", c->argv[1][1]);
+               Debug( SLAPD_DEBUG_CONFIG_ERROR, "%s: (optional) %s overlay \"%s\" configuration failed"
+                       SLAPD_CONF_UNKNOWN_IGNORED ".\n",
+                       c->log, c->be == frontendDB ? "global " : "", &c->argv[1][1]);
+#ifdef SLAPD_CONF_UNKNOWN_BAILOUT
+               return 1;
+#endif /* SLAPD_CONF_UNKNOWN_BAILOUT */
        } else if(overlay_config(c->be, c->argv[1])) {
                return(1);
        }
+       /* Setup context for subsequent config directives.
+        * The newly added overlay is at the head of the list.
+        */
+       oi = (slap_overinfo *)c->be->bd_info;
+       c->bi = &oi->oi_list->on_bi;
        return(0);
 }
 
 static int
-config_suffix(ConfigArgs *c) {
+config_suffix(ConfigArgs *c)
+{
        Backend *tbe;
        struct berval pdn, ndn;
-       int rc;
+       char    *notallowed = NULL;
+
+       if ( c->be == frontendDB ) {
+               notallowed = "frontend";
+
+       } else if ( SLAP_MONITOR(c->be) ) {
+               notallowed = "monitor";
+
+       } else if ( SLAP_CONFIG(c->be) ) {
+               notallowed = "config";
+       }
+
+       if ( notallowed != NULL ) {
+               char    buf[ SLAP_TEXT_BUFLEN ] = { '\0' };
+
+               switch ( c->op ) {
+               case LDAP_MOD_ADD:
+               case LDAP_MOD_DELETE:
+               case LDAP_MOD_REPLACE:
+               case LDAP_MOD_INCREMENT:
+               case SLAP_CONFIG_ADD:
+                       if ( !BER_BVISNULL( &c->value_dn ) ) {
+                               snprintf( buf, sizeof( buf ), "<%s> ",
+                                               c->value_dn.bv_val );
+                       }
+
+                       Debug(LDAP_DEBUG_ANY,
+                               "%s: suffix %snot allowed in %s database.\n",
+                               c->log, buf, notallowed );
+                       break;
 
-       if (c->be == frontendDB || SLAP_MONITOR(c->be) ||
-               SLAP_CONFIG(c->be)) return 1;
+               case SLAP_CONFIG_EMIT:
+                       /* don't complain when emitting... */
+                       break;
+
+               default:
+                       /* FIXME: don't know what values may be valid;
+                        * please remove assertion, or add legal values
+                        * to either block */
+                       assert( 0 );
+                       break;
+               }
+
+               return 1;
+       }
 
        if (c->op == SLAP_CONFIG_EMIT) {
                if ( c->be->be_suffix == NULL
@@ -1421,12 +1621,30 @@ config_suffix(ConfigArgs *c) {
                        value_add( &c->rvalue_nvals, c->be->be_nsuffix );
                        return 0;
                }
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               if ( c->valx < 0 ) {
+                       ber_bvarray_free( c->be->be_suffix );
+                       ber_bvarray_free( c->be->be_nsuffix );
+                       c->be->be_suffix = NULL;
+                       c->be->be_nsuffix = NULL;
+               } else {
+                       int i = c->valx;
+                       ch_free( c->be->be_suffix[i].bv_val );
+                       ch_free( c->be->be_nsuffix[i].bv_val );
+                       for (; c->be->be_suffix[i].bv_val; i++) {
+                               c->be->be_suffix[i] = c->be->be_suffix[i+1];
+                               c->be->be_nsuffix[i] = c->be->be_nsuffix[i+1];
+                       }
+               }
+               return 0;
        }
+
 #ifdef SLAPD_MONITOR_DN
        if(!strcasecmp(c->argv[1], SLAPD_MONITOR_DN)) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "\"%s\" is reserved for monitoring slapd\n",
-                       c->log, SLAPD_MONITOR_DN, 0);
+               sprintf( c->msg, "<%s> DN is reserved for monitoring slapd",
+                       c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s (%s)\n",
+                       c->log, c->msg, SLAPD_MONITOR_DN);
                return(1);
        }
 #endif
@@ -1435,13 +1653,20 @@ config_suffix(ConfigArgs *c) {
        ndn = c->value_ndn;
        tbe = select_backend(&ndn, 0, 0);
        if(tbe == c->be) {
-               Debug(LDAP_DEBUG_ANY, "%s: suffix already served by this backend! (ignored)\n",
+               Debug( SLAPD_DEBUG_CONFIG_ERROR,
+                       "%s: suffix already served by this backend!"
+                       SLAPD_CONF_UNKNOWN_IGNORED ".\n",
                        c->log, 0, 0);
+#ifdef SLAPD_CONF_UNKNOWN_BAILOUT
+               return 1;
+#endif /* SLAPD_CONF_UNKNOWN_BAILOUT */
                free(pdn.bv_val);
                free(ndn.bv_val);
        } else if(tbe) {
-               Debug(LDAP_DEBUG_ANY, "%s: suffix already served by a preceding backend \"%s\"\n",
-                       c->log, tbe->be_suffix[0].bv_val, 0);
+               sprintf( c->msg, "<%s> suffix already served by a preceding backend",
+                       c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
+                       c->log, c->msg, tbe->be_suffix[0].bv_val);
                free(pdn.bv_val);
                free(ndn.bv_val);
                return(1);
@@ -1465,6 +1690,16 @@ config_rootdn(ConfigArgs *c) {
                } else {
                        return 1;
                }
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               ch_free( c->be->be_rootdn.bv_val );
+               ch_free( c->be->be_rootndn.bv_val );
+               BER_BVZERO( &c->be->be_rootdn );
+               BER_BVZERO( &c->be->be_rootndn );
+               return 0;
+       }
+       if ( !BER_BVISNULL( &c->be->be_rootdn )) {
+               ch_free( c->be->be_rootdn.bv_val );
+               ch_free( c->be->be_rootndn.bv_val );
        }
        c->be->be_rootdn = c->value_dn;
        c->be->be_rootndn = c->value_ndn;
@@ -1474,21 +1709,31 @@ config_rootdn(ConfigArgs *c) {
 static int
 config_rootpw(ConfigArgs *c) {
        Backend *tbe;
+
        if (c->op == SLAP_CONFIG_EMIT) {
                if (!BER_BVISEMPTY(&c->be->be_rootpw)) {
-                       ber_dupbv( &c->value_bv, &c->be->be_rootpw);
+                       /* don't copy, because "rootpw" is marked
+                        * as CFG_BERVAL */
+                       c->value_bv = c->be->be_rootpw;
                        return 0;
                }
                return 1;
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               ch_free( c->be->be_rootpw.bv_val );
+               BER_BVZERO( &c->be->be_rootpw );
+               return 0;
        }
 
        tbe = select_backend(&c->be->be_rootndn, 0, 0);
        if(tbe != c->be) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "rootpw can only be set when rootdn is under suffix\n",
-                       c->log, 0, 0);
+               sprintf( c->msg, "<%s> can only be set when rootdn is under suffix",
+                       c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s\n",
+                       c->log, c->msg, 0);
                return(1);
        }
+       if ( !BER_BVISNULL( &c->be->be_rootpw ))
+               ch_free( c->be->be_rootpw.bv_val );
        c->be->be_rootpw = c->value_bv;
        return(0);
 }
@@ -1519,12 +1764,20 @@ config_restrict(ConfigArgs *c) {
        if (c->op == SLAP_CONFIG_EMIT) {
                return mask_to_verbs( restrictable_ops, c->be->be_restrictops,
                        &c->rvalue_vals );
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               if ( !c->line ) {
+                       c->be->be_restrictops = 0;
+               } else {
+                       restrictops = verb_to_mask( c->line, restrictable_ops );
+                       c->be->be_restrictops ^= restrictops;
+               }
+               return 0;
        }
        i = verbs_to_mask( c->argc, c->argv, restrictable_ops, &restrictops );
        if ( i ) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "unknown operation %s in \"restrict <features>\" line\n",
-                       c->log, c->argv[i], 0);
+               sprintf( c->msg, "<%s> unknown operation", c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
+                       c->log, c->msg, c->argv[i]);
                return(1);
        }
        if ( restrictops & SLAP_RESTRICT_OP_EXTENDED )
@@ -1546,12 +1799,20 @@ config_allows(ConfigArgs *c) {
        };
        if (c->op == SLAP_CONFIG_EMIT) {
                return mask_to_verbs( allowable_ops, global_allows, &c->rvalue_vals );
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               if ( !c->line ) {
+                       global_allows = 0;
+               } else {
+                       allows = verb_to_mask( c->line, allowable_ops );
+                       global_allows ^= allows;
+               }
+               return 0;
        }
        i = verbs_to_mask(c->argc, c->argv, allowable_ops, &allows);
        if ( i ) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "unknown feature %s in \"allow <features>\" line\n",
-                       c->log, c->argv[i], 0);
+               sprintf( c->msg, "<%s> unknown feature", c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
+                       c->log, c->msg, c->argv[i]);
                return(1);
        }
        global_allows |= allows;
@@ -1572,12 +1833,20 @@ config_disallows(ConfigArgs *c) {
        };
        if (c->op == SLAP_CONFIG_EMIT) {
                return mask_to_verbs( disallowable_ops, global_disallows, &c->rvalue_vals );
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               if ( !c->line ) {
+                       global_disallows = 0;
+               } else {
+                       disallows = verb_to_mask( c->line, disallowable_ops );
+                       global_disallows ^= disallows;
+               }
+               return 0;
        }
        i = verbs_to_mask(c->argc, c->argv, disallowable_ops, &disallows);
        if ( i ) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "unknown feature %s in \"disallow <features>\" line\n",
-                       c->log, c->argv[i], 0);
+               sprintf( c->msg, "<%s> unknown feature", c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
+                       c->log, c->msg, c->argv[i]);
                return(1);
        }
        global_disallows |= disallows;
@@ -1598,23 +1867,33 @@ config_requires(ConfigArgs *c) {
        };
        if (c->op == SLAP_CONFIG_EMIT) {
                return mask_to_verbs( requires_ops, c->be->be_requires, &c->rvalue_vals );
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               if ( !c->line ) {
+                       c->be->be_requires = 0;
+               } else {
+                       requires = verb_to_mask( c->line, requires_ops );
+                       c->be->be_requires ^= requires;
+               }
+               return 0;
        }
        i = verbs_to_mask(c->argc, c->argv, requires_ops, &requires);
        if ( i ) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "unknown feature %s in \"require <features>\" line\n",
-                       c->log, c->argv[i], 0);
+               sprintf( c->msg, "<%s> unknown feature", c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
+                       c->log, c->msg, c->argv[i]);
                return(1);
        }
        c->be->be_requires = requires;
        return(0);
 }
 
+static slap_verbmasks  *loglevel_ops;
+
 static int
-config_loglevel(ConfigArgs *c) {
-       int i;
-       char *next;
-       slap_verbmasks loglevel_ops[] = {
+loglevel_init( void )
+{
+       slap_verbmasks  lo[] = {
+               { BER_BVC("Any"),       -1 },
                { BER_BVC("Trace"),     LDAP_DEBUG_TRACE },
                { BER_BVC("Packets"),   LDAP_DEBUG_PACKETS },
                { BER_BVC("Args"),      LDAP_DEBUG_ARGS },
@@ -1629,12 +1908,82 @@ config_loglevel(ConfigArgs *c) {
                { BER_BVC("Parse"),     LDAP_DEBUG_PARSE },
                { BER_BVC("Cache"),     LDAP_DEBUG_CACHE },
                { BER_BVC("Index"),     LDAP_DEBUG_INDEX },
-               { BER_BVC("Any"),       -1 },
+               { BER_BVC("Sync"),      LDAP_DEBUG_SYNC },
                { BER_BVNULL,   0 }
        };
 
+       return slap_verbmasks_init( &loglevel_ops, lo );
+}
+
+static void
+loglevel_destroy( void )
+{
+       if ( loglevel_ops ) {
+               (void)slap_verbmasks_destroy( loglevel_ops );
+       }
+       loglevel_ops = NULL;
+}
+
+static slap_mask_t     loglevel_ignore[] = { -1, 0 };
+
+int
+slap_loglevel_register( slap_mask_t m, struct berval *s )
+{
+       int     rc;
+
+       if ( loglevel_ops == NULL ) {
+               loglevel_init();
+       }
+
+       rc = slap_verbmasks_append( &loglevel_ops, m, s, loglevel_ignore );
+
+       if ( rc != 0 ) {
+               Debug( LDAP_DEBUG_ANY, "slap_loglevel_register(%lu, \"%s\") failed\n",
+                       m, s->bv_val, 0 );
+       }
+
+       return rc;
+}
+
+int
+str2loglevel( const char *s, int *l )
+{
+       int     i;
+
+       if ( loglevel_ops == NULL ) {
+               loglevel_init();
+       }
+
+       i = verb_to_mask( s, loglevel_ops );
+
+       if ( BER_BVISNULL( &loglevel_ops[ i ].word) ) {
+               return -1;
+       }
+
+       *l = loglevel_ops[ i ].mask;
+
+       return 0;
+}
+
+static int
+config_loglevel(ConfigArgs *c) {
+       int i;
+       char *next;
+
+       if ( loglevel_ops == NULL ) {
+               loglevel_init();
+       }
+
        if (c->op == SLAP_CONFIG_EMIT) {
                return mask_to_verbs( loglevel_ops, ldap_syslog, &c->rvalue_vals );
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               if ( !c->line ) {
+                       ldap_syslog = 0;
+               } else {
+                       int level = verb_to_mask( c->line, loglevel_ops );
+                       ldap_syslog ^= level;
+               }
+               return 0;
        }
 
        ldap_syslog = 0;
@@ -1642,25 +1991,21 @@ config_loglevel(ConfigArgs *c) {
        for( i=1; i < c->argc; i++ ) {
                int     level;
 
-               if ( isdigit( c->argv[i][0] ) ) {
+               if ( isdigit( c->argv[i][0] ) || c->argv[i][0] == '-' ) {
                        level = strtol( c->argv[i], &next, 10 );
                        if ( next == NULL || next[0] != '\0' ) {
-                               Debug( LDAP_DEBUG_ANY,
-                                       "%s: unable to parse level \"%s\" "
-                                       "in \"loglevel <level> [...]\" line.\n",
-                                       c->log, c->argv[i], 0);
+                               sprintf( c->msg, "<%s> unable to parse level", c->argv[0] );
+                               Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
+                                       c->log, c->msg, c->argv[i]);
                                return( 1 );
                        }
                } else {
-                       int j = verb_to_mask(c->argv[i], loglevel_ops);
-                       if(BER_BVISNULL(&loglevel_ops[j].word)) {
-                               Debug( LDAP_DEBUG_ANY,
-                                       "%s: unknown level \"%s\" "
-                                       "in \"loglevel <level> [...]\" line.\n",
-                                       c->log, c->argv[i], 0);
+                       if ( str2loglevel( c->argv[i], &level ) ) {
+                               sprintf( c->msg, "<%s> unknown level", c->argv[0] );
+                               Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
+                                       c->log, c->msg, c->argv[i]);
                                return( 1 );
                        }
-                       level = loglevel_ops[j].mask;
                }
                ldap_syslog |= level;
        }
@@ -1668,49 +2013,36 @@ config_loglevel(ConfigArgs *c) {
 }
 
 static int
-config_syncrepl(ConfigArgs *c) {
+config_referral(ConfigArgs *c) {
+       struct berval val;
        if (c->op == SLAP_CONFIG_EMIT) {
-               if ( c->be->be_syncinfo ) {
-                       struct berval bv;
-                       syncrepl_unparse( c->be->be_syncinfo, &bv ); 
-                       ber_bvarray_add( &c->rvalue_vals, &bv );
+               if ( default_referral ) {
+                       value_add( &c->rvalue_vals, default_referral );
                        return 0;
+               } else {
+                       return 1;
                }
-               return 1;
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               if ( c->valx < 0 ) {
+                       ber_bvarray_free( default_referral );
+                       default_referral = NULL;
+               } else {
+                       int i = c->valx;
+                       ch_free( default_referral[i].bv_val );
+                       for (; default_referral[i].bv_val; i++ )
+                               default_referral[i] = default_referral[i+1];
+               }
+               return 0;
        }
-       if(SLAP_SHADOW(c->be)) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "syncrepl: database already shadowed.\n",
-                       c->log, 0, 0);
-               return(1);
-       } else if(add_syncrepl(c->be, c->argv, c->argc)) {
-               return(1);
-       }
-       SLAP_DBFLAGS(c->be) |= (SLAP_DBFLAG_SHADOW | SLAP_DBFLAG_SYNC_SHADOW);
-       return(0);
-}
-
-static int
-config_referral(ConfigArgs *c) {
-       struct berval vals[2];
-       if (c->op == SLAP_CONFIG_EMIT) {
-               if ( default_referral ) {
-                       value_add( &c->rvalue_vals, default_referral );
-                       return 0;
-               } else {
-                       return 1;
-               }
-       }
-       if(validate_global_referral(c->argv[1])) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "invalid URL (%s) in \"referral\" line.\n",
-                       c->log, c->argv[1], 0);
+       if(validate_global_referral(c->argv[1])) {
+               sprintf( c->msg, "<%s> invalid URL", c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s (%s)\n",
+                       c->log, c->msg, c->argv[1]);
                return(1);
        }
 
-       ber_str2bv(c->argv[1], 0, 0, &vals[0]);
-       vals[1].bv_val = NULL; vals[1].bv_len = 0;
-       if(value_add(&default_referral, vals)) return(LDAP_OTHER);
+       ber_str2bv(c->argv[1], 0, 0, &val);
+       if(value_add_one(&default_referral, &val)) return(LDAP_OTHER);
        return(0);
 }
 
@@ -1767,24 +2099,24 @@ config_security(ConfigArgs *c) {
                        }
                }
                if ( !tgt ) {
-                       Debug(LDAP_DEBUG_ANY, "%s: "
-                               "unknown factor %s in \"security <factors>\" line\n",
-                               c->log, c->argv[i], 0);
+                       sprintf( c->msg, "<%s> unknown factor", c->argv[0] );
+                       Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
+                               c->log, c->msg, c->argv[i]);
                        return(1);
                }
 
                *tgt = strtol(src, &next, 10);
                if(next == NULL || next[0] != '\0' ) {
-                       Debug(LDAP_DEBUG_ANY, "%s: "
-                               "unable to parse factor \"%s\" in \"security <factors>\" line\n",
-                               c->log, c->argv[i], 0);
+                       sprintf( c->msg, "<%s> unable to parse factor", c->argv[0] );
+                       Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
+                               c->log, c->msg, c->argv[i]);
                        return(1);
                }
        }
        return(0);
 }
 
-static char *
+char *
 anlist_unparse( AttributeName *an, char *ptr ) {
        int comma = 0;
 
@@ -1801,7 +2133,7 @@ replica_unparse( struct slap_replica_info *ri, int i, struct berval *bv )
 {
        int len;
        char *ptr;
-       struct berval bc = {0};
+       struct berval bc = BER_BVNULL;
        char numbuf[32];
 
        len = sprintf(numbuf, IFMT, i );
@@ -1864,6 +2196,11 @@ config_replica(ConfigArgs *c) {
                        return 0;
                }
                return 1;
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               /* FIXME: there is no replica_free function */
+               if ( c->valx < 0 ) {
+               } else {
+               }
        }
        if(SLAP_MONITOR(c->be)) {
                Debug(LDAP_DEBUG_ANY, "%s: "
@@ -1883,16 +2220,15 @@ config_replica(ConfigArgs *c) {
                        break;
                } else if(!strncasecmp(c->argv[i], "uri=", STRLENOF("uri="))) {
                        if(ldap_url_parse(c->argv[i] + STRLENOF("uri="), &ludp) != LDAP_SUCCESS) {
-                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                       "replica line contains invalid "
-                                       "uri definition.\n", c->log, 0, 0);
+                               sprintf( c->msg, "<%s> invalid uri", c->argv[0] );
+                               Debug(LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->msg, 0 );
                                return(1);
                        }
                        if(!ludp->lud_host) {
-                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                       "replica line contains invalid "
-                                       "uri definition - missing hostname.\n",
-                                       c->log, 0, 0);
+                               ldap_free_urldesc(ludp);
+                               sprintf( c->msg, "<%s> invalid uri - missing hostname",
+                                       c->argv[0] );
+                               Debug(LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->msg, 0 );
                                return(1);
                        }
                        ldap_free_urldesc(ludp);
@@ -1905,28 +2241,34 @@ config_replica(ConfigArgs *c) {
                }
        }
        if(i == c->argc) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "missing host or uri in \"replica\" line\n",
-                       c->log, 0, 0);
+               sprintf( c->msg, "<%s> missing host or uri", c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->msg, 0 );
                return(1);
        } else if(nr == -1) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "unable to add replica \"%s\"\n",
-                       c->log, replicauri, 0);
+               sprintf( c->msg, "<%s> unable to add replica", c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n", c->log, c->msg, replicauri );
                return(1);
        } else {
                for(i = 1; i < c->argc; i++) {
                        if(!strncasecmp(c->argv[i], "suffix=", STRLENOF( "suffix="))) {
                                switch(add_replica_suffix(c->be, nr, c->argv[i] + STRLENOF("suffix="))) {
                                        case 1:
-                                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                               "suffix \"%s\" in \"replica\" line is not valid for backend (ignored)\n",
+                                               Debug( SLAPD_DEBUG_CONFIG_ERROR, "%s: "
+                                               "suffix \"%s\" in \"replica\" line is not valid for backend"
+                                               SLAPD_CONF_UNKNOWN_IGNORED ".\n",
                                                c->log, c->argv[i] + STRLENOF("suffix="), 0);
+#ifdef SLAPD_CONF_UNKNOWN_BAILOUT
+                                               return 1;
+#endif /* SLAPD_CONF_UNKNOWN_BAILOUT */
                                                break;
                                        case 2:
-                                               Debug(LDAP_DEBUG_ANY, "%s: "
-                                               "unable to normalize suffix in \"replica\" line (ignored)\n",
+                                               Debug( SLAPD_DEBUG_CONFIG_ERROR, "%s: "
+                                               "unable to normalize suffix in \"replica\" line"
+                                               SLAPD_CONF_UNKNOWN_IGNORED ".\n",
                                                c->log, 0, 0);
+#ifdef SLAPD_CONF_UNKNOWN_BAILOUT
+                                               return 1;
+#endif /* SLAPD_CONF_UNKNOWN_BAILOUT */
                                                break;
                                }
 
@@ -1941,9 +2283,9 @@ config_replica(ConfigArgs *c) {
                                        continue;
                                }
                                if(add_replica_attrs(c->be, nr, arg + 1, exclude)) {
-                                       Debug(LDAP_DEBUG_ANY, "%s: "
-                                               "attribute \"%s\" in \"replica\" line is unknown\n",
-                                               c->log, arg + 1, 0);
+                                       sprintf( c->msg, "<%s> unknown attribute", c->argv[0] );
+                                       Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
+                                               c->log, c->msg, arg + 1);
                                        return(1);
                                }
                        } else if ( bindconf_parse( c->argv[i],
@@ -1957,8 +2299,6 @@ config_replica(ConfigArgs *c) {
 
 static int
 config_updatedn(ConfigArgs *c) {
-       struct berval dn;
-       int rc;
        if (c->op == SLAP_CONFIG_EMIT) {
                if (!BER_BVISEMPTY(&c->be->be_update_ndn)) {
                        value_add_one(&c->rvalue_vals, &c->be->be_update_ndn);
@@ -1966,24 +2306,26 @@ config_updatedn(ConfigArgs *c) {
                        return 0;
                }
                return 1;
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               ch_free( c->be->be_update_ndn.bv_val );
+               BER_BVZERO( &c->be->be_update_ndn );
+               SLAP_DBFLAGS(c->be) ^= (SLAP_DBFLAG_SHADOW | SLAP_DBFLAG_SLURP_SHADOW);
+               return 0;
        }
        if(SLAP_SHADOW(c->be)) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "updatedn: database already shadowed.\n",
-                       c->log, 0, 0);
+               sprintf( c->msg, "<%s> database already shadowed", c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s\n",
+                       c->log, c->msg, 0);
                return(1);
        }
 
-       ber_str2bv(c->argv[1], 0, 0, &dn);
-
-       rc = dnNormalize(0, NULL, NULL, &dn, &c->be->be_update_ndn, NULL);
-
-       if(rc != LDAP_SUCCESS) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "updatedn DN is invalid: %d (%s)\n",
-                       c->log, rc, ldap_err2string( rc ));
-               return(1);
+       ber_memfree_x( c->value_dn.bv_val, NULL );
+       if ( !BER_BVISNULL( &c->be->be_update_ndn ) ) {
+               ber_memfree_x( c->be->be_update_ndn.bv_val, NULL );
        }
+       c->be->be_update_ndn = c->value_ndn;
+       BER_BVZERO( &c->value_dn );
+       BER_BVZERO( &c->value_ndn );
 
        SLAP_DBFLAGS(c->be) |= (SLAP_DBFLAG_SHADOW | SLAP_DBFLAG_SLURP_SHADOW);
        return(0);
@@ -1991,7 +2333,7 @@ config_updatedn(ConfigArgs *c) {
 
 static int
 config_updateref(ConfigArgs *c) {
-       struct berval vals[2];
+       struct berval val;
        if (c->op == SLAP_CONFIG_EMIT) {
                if ( c->be->be_update_refs ) {
                        value_add( &c->rvalue_vals, c->be->be_update_refs );
@@ -1999,29 +2341,40 @@ config_updateref(ConfigArgs *c) {
                } else {
                        return 1;
                }
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               if ( c->valx < 0 ) {
+                       ber_bvarray_free( c->be->be_update_refs );
+                       c->be->be_update_refs = NULL;
+               } else {
+                       int i = c->valx;
+                       ch_free( c->be->be_update_refs[i].bv_val );
+                       for (; c->be->be_update_refs[i].bv_val; i++)
+                               c->be->be_update_refs[i] = c->be->be_update_refs[i+1];
+               }
+               return 0;
        }
        if(!SLAP_SHADOW(c->be)) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "updateref line must come after syncrepl or updatedn.\n",
-                       c->log, 0, 0);
+               sprintf( c->msg, "<%s> must appear after syncrepl or updatedn",
+                       c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s\n",
+                       c->log, c->msg, 0);
                return(1);
        }
 
        if(validate_global_referral(c->argv[1])) {
-               Debug(LDAP_DEBUG_ANY, "%s: "
-                       "invalid URL (%s) in \"updateref\" line.\n",
-                       c->log, c->argv[1], 0);
+               sprintf( c->msg, "<%s> invalid URL", c->argv[0] );
+               Debug(LDAP_DEBUG_ANY, "%s: %s (%s)\n",
+                       c->log, c->msg, c->argv[1]);
                return(1);
        }
-       ber_str2bv(c->argv[1], 0, 0, &vals[0]);
-       vals[1].bv_val = NULL;
-       if(value_add(&c->be->be_update_refs, vals)) return(LDAP_OTHER);
+       ber_str2bv(c->argv[1], 0, 0, &val);
+       if(value_add_one(&c->be->be_update_refs, &val)) return(LDAP_OTHER);
        return(0);
 }
 
 static int
 config_include(ConfigArgs *c) {
-       unsigned long savelineno = c->lineno;
+       int savelineno = c->lineno;
        int rc;
        ConfigFile *cf;
        ConfigFile *cfsave = cfn;
@@ -2033,6 +2386,7 @@ config_include(ConfigArgs *c) {
                        return 0;
                }
                return 1;
+       } else if ( c->op == LDAP_MOD_DELETE ) {
        }
        cf = ch_calloc( 1, sizeof(ConfigFile));
        if ( cfn->c_kids ) {
@@ -2043,7 +2397,7 @@ config_include(ConfigArgs *c) {
        }
        cfn = cf;
        ber_str2bv( c->argv[1], 0, 1, &cf->c_file );
-       rc = read_config_file(c->argv[1], c->depth + 1, c);
+       rc = read_config_file(c->argv[1], c->depth + 1, c, config_back_cf_table);
        c->lineno = savelineno - 1;
        cfn = cfsave;
        if ( rc ) {
@@ -2051,6 +2405,8 @@ config_include(ConfigArgs *c) {
                else cfn->c_kids = NULL;
                ch_free( cf->c_file.bv_val );
                ch_free( cf );
+       } else {
+               c->private = cf;
        }
        return(rc);
 }
@@ -2072,6 +2428,8 @@ config_tls_option(ConfigArgs *c) {
        }
        if (c->op == SLAP_CONFIG_EMIT) {
                return ldap_pvt_tls_get_option( NULL, flag, &c->value_string );
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               return ldap_pvt_tls_set_option( NULL, flag, NULL );
        }
        ch_free(c->value_string);
        return(ldap_pvt_tls_set_option(NULL, flag, c->argv[1]));
@@ -2111,6 +2469,9 @@ config_tls_config(ConfigArgs *c) {
                        }
                }
                return 1;
+       } else if ( c->op == LDAP_MOD_DELETE ) {
+               int i = 0;
+               return ldap_pvt_tls_set_option( NULL, flag, &i );
        }
        ch_free( c->value_string );
        if(isdigit((unsigned char)c->argv[1][0])) {
@@ -2122,522 +2483,6 @@ config_tls_config(ConfigArgs *c) {
 }
 #endif
 
-static int
-add_syncrepl(
-       Backend *be,
-       char    **cargv,
-       int     cargc
-)
-{
-       syncinfo_t *si;
-       int     rc = 0;
-
-       si = (syncinfo_t *) ch_calloc( 1, sizeof( syncinfo_t ) );
-
-       if ( si == NULL ) {
-               Debug( LDAP_DEBUG_ANY, "out of memory in add_syncrepl\n", 0, 0, 0 );
-               return 1;
-       }
-
-       si->si_bindconf.sb_tls = SB_TLS_OFF;
-       si->si_bindconf.sb_method = LDAP_AUTH_SIMPLE;
-       si->si_schemachecking = 0;
-       ber_str2bv( "(objectclass=*)", STRLENOF("(objectclass=*)"), 1,
-               &si->si_filterstr );
-       si->si_base.bv_val = NULL;
-       si->si_scope = LDAP_SCOPE_SUBTREE;
-       si->si_attrsonly = 0;
-       si->si_anlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ));
-       si->si_exanlist = (AttributeName *) ch_calloc( 1, sizeof( AttributeName ));
-       si->si_attrs = NULL;
-       si->si_allattrs = 0;
-       si->si_allopattrs = 0;
-       si->si_exattrs = NULL;
-       si->si_type = LDAP_SYNC_REFRESH_ONLY;
-       si->si_interval = 86400;
-       si->si_retryinterval = NULL;
-       si->si_retrynum_init = NULL;
-       si->si_retrynum = NULL;
-       si->si_manageDSAit = 0;
-       si->si_tlimit = 0;
-       si->si_slimit = 0;
-
-       si->si_presentlist = NULL;
-       LDAP_LIST_INIT( &si->si_nonpresentlist );
-       ldap_pvt_thread_mutex_init( &si->si_mutex );
-
-       rc = parse_syncrepl_line( cargv, cargc, si );
-
-       if ( rc < 0 ) {
-               Debug( LDAP_DEBUG_ANY, "failed to add syncinfo\n", 0, 0, 0 );
-               syncinfo_free( si );    
-               return 1;
-       } else {
-               Debug( LDAP_DEBUG_CONFIG,
-                       "Config: ** successfully added syncrepl \"%s\"\n",
-                       BER_BVISNULL( &si->si_provideruri ) ?
-                       "(null)" : si->si_provideruri.bv_val, 0, 0 );
-               if ( !si->si_schemachecking ) {
-                       SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
-               }
-               si->si_be = be;
-               be->be_syncinfo = si;
-               return 0;
-       }
-}
-
-/* NOTE: used & documented in slapd.conf(5) */
-#define IDSTR                  "rid"
-#define PROVIDERSTR            "provider"
-#define TYPESTR                        "type"
-#define INTERVALSTR            "interval"
-#define SEARCHBASESTR          "searchbase"
-#define FILTERSTR              "filter"
-#define SCOPESTR               "scope"
-#define ATTRSSTR               "attrs"
-#define ATTRSONLYSTR           "attrsonly"
-#define SLIMITSTR              "sizelimit"
-#define TLIMITSTR              "timelimit"
-#define SCHEMASTR              "schemachecking"
-
-/* FIXME: undocumented */
-#define OLDAUTHCSTR            "bindprincipal"
-#define EXATTRSSTR             "exattrs"
-#define RETRYSTR               "retry"
-
-/* FIXME: unused */
-#define LASTMODSTR             "lastmod"
-#define LMGENSTR               "gen"
-#define LMNOSTR                        "no"
-#define LMREQSTR               "req"
-#define SRVTABSTR              "srvtab"
-#define SUFFIXSTR              "suffix"
-#define MANAGEDSAITSTR         "manageDSAit"
-
-/* mandatory */
-#define GOT_ID                 0x0001
-#define GOT_PROVIDER           0x0002
-
-/* check */
-#define GOT_ALL                        (GOT_ID|GOT_PROVIDER)
-
-static struct {
-       struct berval key;
-       int val;
-} scopes[] = {
-       { BER_BVC("base"), LDAP_SCOPE_BASE },
-       { BER_BVC("one"), LDAP_SCOPE_ONELEVEL },
-#ifdef LDAP_SCOPE_SUBORDINATE
-       { BER_BVC("children"), LDAP_SCOPE_SUBORDINATE },
-       { BER_BVC("subordinate"), 0 },
-#endif
-       { BER_BVC("sub"), LDAP_SCOPE_SUBTREE },
-       { BER_BVNULL, 0 }
-};
-
-static int
-parse_syncrepl_line(
-       char            **cargv,
-       int             cargc,
-       syncinfo_t      *si
-)
-{
-       int     gots = 0;
-       int     i;
-       char    *val;
-
-       for ( i = 1; i < cargc; i++ ) {
-               if ( !strncasecmp( cargv[ i ], IDSTR "=",
-                                       STRLENOF( IDSTR "=" ) ) )
-               {
-                       int tmp;
-                       /* '\0' string terminator accounts for '=' */
-                       val = cargv[ i ] + STRLENOF( IDSTR "=" );
-                       tmp= atoi( val );
-                       if ( tmp >= 1000 || tmp < 0 ) {
-                               fprintf( stderr, "Error: parse_syncrepl_line: "
-                                        "syncrepl id %d is out of range [0..999]\n", tmp );
-                               return -1;
-                       }
-                       si->si_rid = tmp;
-                       gots |= GOT_ID;
-               } else if ( !strncasecmp( cargv[ i ], PROVIDERSTR "=",
-                                       STRLENOF( PROVIDERSTR "=" ) ) )
-               {
-                       val = cargv[ i ] + STRLENOF( PROVIDERSTR "=" );
-                       ber_str2bv( val, 0, 1, &si->si_provideruri );
-                       gots |= GOT_PROVIDER;
-               } else if ( !strncasecmp( cargv[ i ], SCHEMASTR "=",
-                                       STRLENOF( SCHEMASTR "=" ) ) )
-               {
-                       val = cargv[ i ] + STRLENOF( SCHEMASTR "=" );
-                       if ( !strncasecmp( val, "on", STRLENOF( "on" ) )) {
-                               si->si_schemachecking = 1;
-                       } else if ( !strncasecmp( val, "off", STRLENOF( "off" ) ) ) {
-                               si->si_schemachecking = 0;
-                       } else {
-                               si->si_schemachecking = 1;
-                       }
-               } else if ( !strncasecmp( cargv[ i ], FILTERSTR "=",
-                                       STRLENOF( FILTERSTR "=" ) ) )
-               {
-                       val = cargv[ i ] + STRLENOF( FILTERSTR "=" );
-                       ber_str2bv( val, 0, 1, &si->si_filterstr );
-               } else if ( !strncasecmp( cargv[ i ], SEARCHBASESTR "=",
-                                       STRLENOF( SEARCHBASESTR "=" ) ) )
-               {
-                       struct berval   bv;
-                       int             rc;
-
-                       val = cargv[ i ] + STRLENOF( SEARCHBASESTR "=" );
-                       if ( si->si_base.bv_val ) {
-                               ch_free( si->si_base.bv_val );
-                       }
-                       ber_str2bv( val, 0, 0, &bv );
-                       rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_base, NULL );
-                       if ( rc != LDAP_SUCCESS ) {
-                               fprintf( stderr, "Invalid base DN \"%s\": %d (%s)\n",
-                                       val, rc, ldap_err2string( rc ) );
-                               return -1;
-                       }
-               } else if ( !strncasecmp( cargv[ i ], SCOPESTR "=",
-                                       STRLENOF( SCOPESTR "=" ) ) )
-               {
-                       int j;
-                       val = cargv[ i ] + STRLENOF( SCOPESTR "=" );
-                       for ( j=0; !BER_BVISNULL(&scopes[j].key); j++ ) {
-                               if (!strncasecmp( val, scopes[j].key.bv_val,
-                                       scopes[j].key.bv_len )) {
-                                       while (!scopes[j].val) j--;
-                                       si->si_scope = scopes[j].val;
-                                       break;
-                               }
-                       }
-                       if ( BER_BVISNULL(&scopes[j].key) ) {
-                               fprintf( stderr, "Error: parse_syncrepl_line: "
-                                       "unknown scope \"%s\"\n", val);
-                               return -1;
-                       }
-               } else if ( !strncasecmp( cargv[ i ], ATTRSONLYSTR "=",
-                                       STRLENOF( ATTRSONLYSTR "=" ) ) )
-               {
-                       si->si_attrsonly = 1;
-               } else if ( !strncasecmp( cargv[ i ], ATTRSSTR "=",
-                                       STRLENOF( ATTRSSTR "=" ) ) )
-               {
-                       val = cargv[ i ] + STRLENOF( ATTRSSTR "=" );
-                       if ( !strncasecmp( val, ":include:", STRLENOF(":include:") ) ) {
-                               char *attr_fname;
-                               attr_fname = ch_strdup( val + STRLENOF(":include:") );
-                               si->si_anlist = file2anlist( si->si_anlist, attr_fname, " ,\t" );
-                               if ( si->si_anlist == NULL ) {
-                                       ch_free( attr_fname );
-                                       return -1;
-                               }
-                               si->si_anfile = attr_fname;
-                       } else {
-                               char *str, *s, *next;
-                               char delimstr[] = " ,\t";
-                               str = ch_strdup( val );
-                               for ( s = ldap_pvt_strtok( str, delimstr, &next );
-                                               s != NULL;
-                                               s = ldap_pvt_strtok( NULL, delimstr, &next ) )
-                               {
-                                       if ( strlen(s) == 1 && *s == '*' ) {
-                                               si->si_allattrs = 1;
-                                               *(val + ( s - str )) = delimstr[0];
-                                       }
-                                       if ( strlen(s) == 1 && *s == '+' ) {
-                                               si->si_allopattrs = 1;
-                                               *(val + ( s - str )) = delimstr[0];
-                                       }
-                               }
-                               ch_free( str );
-                               si->si_anlist = str2anlist( si->si_anlist, val, " ,\t" );
-                               if ( si->si_anlist == NULL ) {
-                                       return -1;
-                               }
-                       }
-               } else if ( !strncasecmp( cargv[ i ], EXATTRSSTR "=",
-                                       STRLENOF( EXATTRSSTR "=" ) ) )
-               {
-                       val = cargv[ i ] + STRLENOF( EXATTRSSTR "=" );
-                       if ( !strncasecmp( val, ":include:", STRLENOF(":include:") )) {
-                               char *attr_fname;
-                               attr_fname = ch_strdup( val + STRLENOF(":include:") );
-                               si->si_exanlist = file2anlist(
-                                                                       si->si_exanlist, attr_fname, " ,\t" );
-                               if ( si->si_exanlist == NULL ) {
-                                       ch_free( attr_fname );
-                                       return -1;
-                               }
-                               ch_free( attr_fname );
-                       } else {
-                               si->si_exanlist = str2anlist( si->si_exanlist, val, " ,\t" );
-                               if ( si->si_exanlist == NULL ) {
-                                       return -1;
-                               }
-                       }
-               } else if ( !strncasecmp( cargv[ i ], TYPESTR "=",
-                                       STRLENOF( TYPESTR "=" ) ) )
-               {
-                       val = cargv[ i ] + STRLENOF( TYPESTR "=" );
-                       if ( !strncasecmp( val, "refreshOnly",
-                                               STRLENOF("refreshOnly") ))
-                       {
-                               si->si_type = LDAP_SYNC_REFRESH_ONLY;
-                       } else if ( !strncasecmp( val, "refreshAndPersist",
-                                               STRLENOF("refreshAndPersist") ))
-                       {
-                               si->si_type = LDAP_SYNC_REFRESH_AND_PERSIST;
-                               si->si_interval = 60;
-                       } else {
-                               fprintf( stderr, "Error: parse_syncrepl_line: "
-                                       "unknown sync type \"%s\"\n", val);
-                               return -1;
-                       }
-               } else if ( !strncasecmp( cargv[ i ], INTERVALSTR "=",
-                                       STRLENOF( INTERVALSTR "=" ) ) )
-               {
-                       val = cargv[ i ] + STRLENOF( INTERVALSTR "=" );
-                       if ( si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ) {
-                               si->si_interval = 0;
-                       } else {
-                               char *hstr;
-                               char *mstr;
-                               char *dstr;
-                               char *sstr;
-                               int dd, hh, mm, ss;
-                               dstr = val;
-                               hstr = strchr( dstr, ':' );
-                               if ( hstr == NULL ) {
-                                       fprintf( stderr, "Error: parse_syncrepl_line: "
-                                               "invalid interval \"%s\"\n", val );
-                                       return -1;
-                               }
-                               *hstr++ = '\0';
-                               mstr = strchr( hstr, ':' );
-                               if ( mstr == NULL ) {
-                                       fprintf( stderr, "Error: parse_syncrepl_line: "
-                                               "invalid interval \"%s\"\n", val );
-                                       return -1;
-                               }
-                               *mstr++ = '\0';
-                               sstr = strchr( mstr, ':' );
-                               if ( sstr == NULL ) {
-                                       fprintf( stderr, "Error: parse_syncrepl_line: "
-                                               "invalid interval \"%s\"\n", val );
-                                       return -1;
-                               }
-                               *sstr++ = '\0';
-
-                               dd = atoi( dstr );
-                               hh = atoi( hstr );
-                               mm = atoi( mstr );
-                               ss = atoi( sstr );
-                               if (( hh > 24 ) || ( hh < 0 ) ||
-                                       ( mm > 60 ) || ( mm < 0 ) ||
-                                       ( ss > 60 ) || ( ss < 0 ) || ( dd < 0 )) {
-                                       fprintf( stderr, "Error: parse_syncrepl_line: "
-                                               "invalid interval \"%s\"\n", val );
-                                       return -1;
-                               }
-                               si->si_interval = (( dd * 24 + hh ) * 60 + mm ) * 60 + ss;
-                       }
-                       if ( si->si_interval < 0 ) {
-                               fprintf( stderr, "Error: parse_syncrepl_line: "
-                                       "invalid interval \"%ld\"\n",
-                                       (long) si->si_interval);
-                               return -1;
-                       }
-               } else if ( !strncasecmp( cargv[ i ], RETRYSTR "=",
-                                       STRLENOF( RETRYSTR "=" ) ) )
-               {
-                       char **retry_list;
-                       int j, k, n;
-
-                       val = cargv[ i ] + STRLENOF( RETRYSTR "=" );
-                       retry_list = (char **) ch_calloc( 1, sizeof( char * ));
-                       retry_list[0] = NULL;
-
-                       slap_str2clist( &retry_list, val, " ,\t" );
-
-                       for ( k = 0; retry_list && retry_list[k]; k++ ) ;
-                       n = k / 2;
-                       if ( k % 2 ) {
-                               fprintf( stderr,
-                                               "Error: incomplete syncrepl retry list\n" );
-                               for ( k = 0; retry_list && retry_list[k]; k++ ) {
-                                       ch_free( retry_list[k] );
-                               }
-                               ch_free( retry_list );
-                               exit( EXIT_FAILURE );
-                       }
-                       si->si_retryinterval = (time_t *) ch_calloc( n + 1, sizeof( time_t ));
-                       si->si_retrynum = (int *) ch_calloc( n + 1, sizeof( int ));
-                       si->si_retrynum_init = (int *) ch_calloc( n + 1, sizeof( int ));
-                       for ( j = 0; j < n; j++ ) {
-                               si->si_retryinterval[j] = atoi( retry_list[j*2] );
-                               if ( *retry_list[j*2+1] == '+' ) {
-                                       si->si_retrynum_init[j] = -1;
-                                       si->si_retrynum[j] = -1;
-                                       j++;
-                                       break;
-                               } else {
-                                       si->si_retrynum_init[j] = atoi( retry_list[j*2+1] );
-                                       si->si_retrynum[j] = atoi( retry_list[j*2+1] );
-                               }
-                       }
-                       si->si_retrynum_init[j] = -2;
-                       si->si_retrynum[j] = -2;
-                       si->si_retryinterval[j] = 0;
-                       
-                       for ( k = 0; retry_list && retry_list[k]; k++ ) {
-                               ch_free( retry_list[k] );
-                       }
-                       ch_free( retry_list );
-               } else if ( !strncasecmp( cargv[ i ], MANAGEDSAITSTR "=",
-                                       STRLENOF( MANAGEDSAITSTR "=" ) ) )
-               {
-                       val = cargv[ i ] + STRLENOF( MANAGEDSAITSTR "=" );
-                       si->si_manageDSAit = atoi( val );
-               } else if ( !strncasecmp( cargv[ i ], SLIMITSTR "=",
-                                       STRLENOF( SLIMITSTR "=") ) )
-               {
-                       val = cargv[ i ] + STRLENOF( SLIMITSTR "=" );
-                       si->si_slimit = atoi( val );
-               } else if ( !strncasecmp( cargv[ i ], TLIMITSTR "=",
-                                       STRLENOF( TLIMITSTR "=" ) ) )
-               {
-                       val = cargv[ i ] + STRLENOF( TLIMITSTR "=" );
-                       si->si_tlimit = atoi( val );
-               } else if ( bindconf_parse( cargv[i], &si->si_bindconf )) {
-                       fprintf( stderr, "Error: parse_syncrepl_line: "
-                               "unknown keyword \"%s\"\n", cargv[ i ] );
-                       return -1;
-               }
-       }
-
-       if ( gots != GOT_ALL ) {
-               fprintf( stderr,
-                       "Error: Malformed \"syncrepl\" line in slapd config file" );
-               return -1;
-       }
-
-       return 0;
-}
-
-static void
-syncrepl_unparse( syncinfo_t *si, struct berval *bv )
-{
-       struct berval bc;
-       char buf[BUFSIZ*2], *ptr;
-       int i, len;
-
-       bindconf_unparse( &si->si_bindconf, &bc );
-       ptr = buf;
-       ptr += sprintf( ptr, IDSTR "=%03d " PROVIDERSTR "=%s",
-               si->si_rid, si->si_provideruri.bv_val );
-       if ( !BER_BVISNULL( &bc )) {
-               ptr = lutil_strcopy( ptr, bc.bv_val );
-               free( bc.bv_val );
-       }
-       if ( !BER_BVISEMPTY( &si->si_filterstr )) {
-               ptr = lutil_strcopy( ptr, " " FILTERSTR "=\"" );
-               ptr = lutil_strcopy( ptr, si->si_filterstr.bv_val );
-               *ptr++ = '"';
-       }
-       if ( !BER_BVISNULL( &si->si_base )) {
-               ptr = lutil_strcopy( ptr, " " SEARCHBASESTR "=\"" );
-               ptr = lutil_strcopy( ptr, si->si_base.bv_val );
-               *ptr++ = '"';
-       }
-       for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
-               if ( si->si_scope == scopes[i].val ) {
-                       ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
-                       ptr = lutil_strcopy( ptr, scopes[i].key.bv_val );
-                       break;
-               }
-       }
-       if ( si->si_attrsonly ) {
-               ptr = lutil_strcopy( ptr, " " ATTRSONLYSTR "=yes" );
-       }
-       if ( si->si_anfile ) {
-               ptr = lutil_strcopy( ptr, " " ATTRSSTR "=:include:" );
-               ptr = lutil_strcopy( ptr, si->si_anfile );
-       } else if ( si->si_allattrs || si->si_allopattrs ||
-               ( si->si_anlist && !BER_BVISNULL(&si->si_anlist[0].an_name) )) {
-               char *old;
-               ptr = lutil_strcopy( ptr, " " ATTRSSTR "=\"" );
-               old = ptr;
-               ptr = anlist_unparse( si->si_anlist, ptr );
-               if ( si->si_allattrs ) {
-                       if ( old != ptr ) *ptr++ = ',';
-                       *ptr++ = '*';
-               }
-               if ( si->si_allopattrs ) {
-                       if ( old != ptr ) *ptr++ = ',';
-                       *ptr++ = '+';
-               }
-               *ptr++ = '"';
-       }
-       if ( si->si_exanlist && !BER_BVISNULL(&si->si_exanlist[0].an_name) ) {
-               ptr = lutil_strcopy( ptr, " " EXATTRSSTR "=" );
-               ptr = anlist_unparse( si->si_exanlist, ptr );
-       }
-       ptr = lutil_strcopy( ptr, " " SCHEMASTR "=" );
-       ptr = lutil_strcopy( ptr, si->si_schemachecking ? "on" : "off" );
-       
-       ptr = lutil_strcopy( ptr, " " TYPESTR "=" );
-       ptr = lutil_strcopy( ptr, si->si_type == LDAP_SYNC_REFRESH_AND_PERSIST ?
-               "refreshAndPersist" : "refreshOnly" );
-
-       if ( si->si_type == LDAP_SYNC_REFRESH_ONLY ) {
-               int dd, hh, mm, ss;
-
-               dd = si->si_interval;
-               ss = dd % 60;
-               dd /= 60;
-               mm = dd % 60;
-               dd /= 60;
-               hh = dd % 24;
-               dd /= 24;
-               ptr = lutil_strcopy( ptr, " " INTERVALSTR "=" );
-               ptr += sprintf( ptr, "%02d:%02d:%02d:%02d", dd, hh, mm, ss );
-       } else if ( si->si_retryinterval ) {
-               int space=0;
-               ptr = lutil_strcopy( ptr, " " RETRYSTR "=\"" );
-               for (i=0; si->si_retryinterval[i]; i++) {
-                       if ( space ) *ptr++ = ' ';
-                       space = 1;
-                       ptr += sprintf( ptr, "%d", si->si_retryinterval[i] );
-                       if ( si->si_retrynum_init[i] == -1 )
-                               *ptr++ = '+';
-                       else
-                               ptr += sprintf( ptr, "%d", si->si_retrynum_init );
-               }
-               *ptr++ = '"';
-       }
-
-#if 0 /* FIXME: unused in syncrepl.c, should remove it */
-       ptr = lutil_strcopy( ptr, " " MANAGEDSAITSTR "=" );
-       ptr += sprintf( ptr, "%d", si->si_manageDSAit );
-#endif
-
-       if ( si->si_slimit ) {
-               ptr = lutil_strcopy( ptr, " " SLIMITSTR "=" );
-               ptr += sprintf( ptr, "%d", si->si_slimit );
-       }
-
-       if ( si->si_tlimit ) {
-               ptr = lutil_strcopy( ptr, " " TLIMITSTR "=" );
-               ptr += sprintf( ptr, "%d", si->si_tlimit );
-       }
-       bc.bv_len = ptr - buf;
-       bc.bv_val = buf;
-       ber_dupbv( bv, &bc );
-}
-
 static CfEntryInfo *
 config_find_base( CfEntryInfo *root, struct berval *dn, CfEntryInfo **last )
 {
@@ -2677,26 +2522,32 @@ config_find_base( CfEntryInfo *root, struct berval *dn, CfEntryInfo **last )
        return root;
 }
 
+typedef struct setup_cookie {
+       CfBackInfo *cfb;
+       ConfigArgs *ca;
+} setup_cookie;
+
 static int
 config_ldif_resp( Operation *op, SlapReply *rs )
 {
        if ( rs->sr_type == REP_SEARCH ) {
-               CfBackInfo *cfb = op->o_callback->sc_private;
+               setup_cookie *sc = op->o_callback->sc_private;
 
-               cfb->cb_got_ldif = 1;
-               rs->sr_err = config_add_internal( cfb, rs->sr_entry, NULL, NULL );
+               sc->cfb->cb_got_ldif = 1;
+               rs->sr_err = config_add_internal( sc->cfb, rs->sr_entry, sc->ca, NULL, NULL );
        }
        return rs->sr_err;
 }
 
 /* Configure and read the underlying back-ldif store */
 static int
-config_setup_ldif( BackendDB *be, const char *dir ) {
+config_setup_ldif( BackendDB *be, const char *dir, int readit ) {
        CfBackInfo *cfb = be->be_private;
        ConfigArgs c = {0};
        ConfigTable *ct;
        char *argv[3];
-       int rc;
+       int rc = 0;
+       setup_cookie sc;
        slap_callback cb = { NULL, config_ldif_resp, NULL, NULL };
        Connection conn = {0};
        char opbuf[OPERATION_BUFFER_SIZE];
@@ -2704,7 +2555,16 @@ config_setup_ldif( BackendDB *be, const char *dir ) {
        SlapReply rs = {REP_RESULT};
        Filter filter = { LDAP_FILTER_PRESENT };
        struct berval filterstr = BER_BVC("(objectclass=*)");
+       struct stat st;
 
+       /* Is the config directory available? */
+       if ( stat( dir, &st ) < 0 ) {
+               /* No, so don't bother using the backing store.
+                * All changes will be in-memory only.
+                */
+               return 0;
+       }
+               
        cfb->cb_db.bd_info = backend_info( "ldif" );
        if ( !cfb->cb_db.bd_info )
                return 0;       /* FIXME: eventually this will be a fatal error */
@@ -2729,7 +2589,7 @@ config_setup_ldif( BackendDB *be, const char *dir ) {
        argv[2] = NULL;
        c.argv = argv;
 
-       ct = config_find_keyword( c.be->be_cf_table, &c );
+       ct = config_find_keyword( c.be->be_cf_ocs->co_table, &c );
        if ( !ct )
                return 1;
 
@@ -2739,42 +2599,50 @@ config_setup_ldif( BackendDB *be, const char *dir ) {
        if ( backend_startup_one( &cfb->cb_db ))
                return 1;
 
-       op = (Operation *)opbuf;
-       connection_fake_init( &conn, op, cfb );
+       if ( readit ) {
+               op = (Operation *)opbuf;
+               connection_fake_init( &conn, op, cfb );
 
-       filter.f_desc = slap_schema.si_ad_objectClass;
-       
-       op->o_tag = LDAP_REQ_SEARCH;
+               filter.f_desc = slap_schema.si_ad_objectClass;
 
-       op->ors_filter = &filter;
-       op->ors_filterstr = filterstr;
-       op->ors_scope = LDAP_SCOPE_SUBTREE;
+               op->o_tag = LDAP_REQ_SEARCH;
 
-       op->o_dn = be->be_rootdn;
-       op->o_ndn = be->be_rootndn;
+               op->ors_filter = &filter;
+               op->ors_filterstr = filterstr;
+               op->ors_scope = LDAP_SCOPE_SUBTREE;
 
-       op->o_req_dn = be->be_suffix[0];
-       op->o_req_ndn = be->be_nsuffix[0];
+               op->o_dn = be->be_rootdn;
+               op->o_ndn = be->be_rootndn;
 
-       op->ors_tlimit = SLAP_NO_LIMIT;
-       op->ors_slimit = SLAP_NO_LIMIT;
+               op->o_req_dn = be->be_suffix[0];
+               op->o_req_ndn = be->be_nsuffix[0];
 
-       op->ors_attrs = slap_anlist_all_attributes;
-       op->ors_attrsonly = 0;
+               op->ors_tlimit = SLAP_NO_LIMIT;
+               op->ors_slimit = SLAP_NO_LIMIT;
 
-       op->o_callback = &cb;
-       cb.sc_private = cfb;
+               op->ors_attrs = slap_anlist_all_attributes;
+               op->ors_attrsonly = 0;
 
-       op->o_bd = &cfb->cb_db;
-       op->o_bd->be_search( op, &rs );
-       
-       return 0;
+               op->o_callback = &cb;
+               sc.cfb = cfb;
+               sc.ca = &c;
+               cb.sc_private = &sc;
+
+               op->o_bd = &cfb->cb_db;
+               rc = op->o_bd->be_search( op, &rs );
+
+               slap_sl_mem_destroy( NULL, op->o_tmpmemctx );
+       }
+
+       cfb->cb_use_ldif = 1;
+
+       return rc;
 }
 
 static int
-CfOcInfo_cmp( const void *c1, const void *c2 ) {
-       const CfOcInfo *co1 = c1;
-       const CfOcInfo *co2 = c2;
+CfOc_cmp( const void *c1, const void *c2 ) {
+       const ConfigOCs *co1 = c1;
+       const ConfigOCs *co2 = c2;
 
        return ber_bvcmp( co1->co_name, co2->co_name );
 }
@@ -2782,7 +2650,6 @@ CfOcInfo_cmp( const void *c1, const void *c2 ) {
 int
 config_register_schema(ConfigTable *ct, ConfigOCs *ocs) {
        int i;
-       CfOcInfo *co;
 
        i = init_config_attrs( ct );
        if ( i ) return i;
@@ -2791,14 +2658,12 @@ config_register_schema(ConfigTable *ct, ConfigOCs *ocs) {
        i = init_config_ocs( ocs );
        if ( i ) return i;
 
-       for (i=0; ocs[i].def; i++) {
-               if ( ocs[i].oc ) {
-                       co = ch_malloc( sizeof(CfOcInfo) );
-                       co->co_oc = *ocs[i].oc;
-                       co->co_name = &co->co_oc->soc_cname;
-                       co->co_table = ct;
-                       co->co_type = ocs[i].cft;
-                       avl_insert( &CfOcTree, co, CfOcInfo_cmp, avl_dup_error );
+       for (i=0; ocs[i].co_def; i++) {
+               if ( ocs[i].co_oc ) {
+                       ocs[i].co_name = &ocs[i].co_oc->soc_cname;
+                       if ( !ocs[i].co_table )
+                               ocs[i].co_table = ct;
+                       avl_insert( &CfOcTree, &ocs[i], CfOc_cmp, avl_dup_error );
                }
        }
        return 0;
@@ -2808,6 +2673,8 @@ int
 read_config(const char *fname, const char *dir) {
        BackendDB *be;
        CfBackInfo *cfb;
+       const char *cfdir, *cfname;
+       int rc;
 
        /* Setup the config backend */
        be = backend_db_init( "config" );
@@ -2816,18 +2683,79 @@ read_config(const char *fname, const char *dir) {
 
        cfb = be->be_private;
 
-       /* Setup the underlying back-ldif backend */
-       if ( config_setup_ldif( be, dir ))
-               return 1;
+       /* If no .conf, or a dir was specified, setup the dir */
+       if ( !fname || dir ) {
+               if ( dir ) {
+                       /* If explicitly given, check for existence */
+                       struct stat st;
 
-#ifdef SLAP_USE_CONFDIR
-       /* If we read the config from back-ldif, nothing to do here */
-       if ( cfb->cb_got_ldif )
-               return 0;
-#endif
-       ber_str2bv( fname, 0, 1, &cf_prv.c_file );
+                       if ( stat( dir, &st ) < 0 ) {
+                               Debug( LDAP_DEBUG_ANY,
+                                       "invalid config directory %s, error %d\n",
+                                               dir, errno, 0 );
+                               return 1;
+                       }
+                       cfdir = dir;
+               } else {
+                       cfdir = SLAPD_DEFAULT_CONFIGDIR;
+               }
+               /* if fname is defaulted, try reading .d */
+               rc = config_setup_ldif( be, cfdir, !fname );
+
+               /* It's OK if the base object doesn't exist yet */
+               if ( rc && rc != LDAP_NO_SUCH_OBJECT )
+                       return 1;
+
+               /* If we read the config from back-ldif, nothing to do here */
+               if ( cfb->cb_got_ldif ) {
+                       rc = 0;
+                       goto done;
+               }
+       }
+
+       if ( fname )
+               cfname = fname;
+       else
+               cfname = SLAPD_DEFAULT_CONFIGFILE;
+
+       rc = read_config_file(cfname, 0, NULL, config_back_cf_table);
+
+       if ( rc == 0 )
+               ber_str2bv( cfname, 0, 1, &cfb->cb_config->c_file );
+
+       /* If we got this far and failed, it may be a serious problem. In server
+        * mode, we should never come to this. However, it may be alright if we're
+        * using slapadd to create the conf dir.
+        */
+       while ( rc ) {
+               if ( slapMode & (SLAP_SERVER_MODE|SLAP_TOOL_READMAIN|SLAP_TOOL_READONLY))
+                       break;
+               /* If a config file was explicitly given, fail */
+               if ( fname )
+                       break;
+               
+               /* Seems to be slapadd with a config dir, let it continue */
+               if ( cfb->cb_use_ldif ) {
+                       rc = 0;
+                       cfb->cb_got_ldif = 1;
+               }
+               break;
+       }
 
-       return read_config_file(fname, 0, NULL);
+done:
+       if ( rc == 0 && BER_BVISNULL( &frontendDB->be_schemadn ) ) {
+               ber_str2bv( SLAPD_SCHEMA_DN, STRLENOF( SLAPD_SCHEMA_DN ), 1,
+                       &frontendDB->be_schemadn );
+               rc = dnNormalize( 0, NULL, NULL, &frontendDB->be_schemadn, &frontendDB->be_schemandn, NULL );
+               if ( rc != LDAP_SUCCESS ) {
+                       Debug(LDAP_DEBUG_ANY, "read_config: "
+                               "unable to normalize default schema DN \"%s\"\n",
+                               frontendDB->be_schemadn.bv_val, 0, 0 );
+                       /* must not happen */
+                       assert( 0 );
+               }
+       }
+       return rc;
 }
 
 static int
@@ -2872,7 +2800,7 @@ config_send( Operation *op, SlapReply *rs, CfEntryInfo *ce, int depth )
 }
 
 static ConfigTable *
-config_find_table( CfOcInfo **colst, int nocs, AttributeDescription *ad )
+config_find_table( ConfigOCs **colst, int nocs, AttributeDescription *ad )
 {
        int i, j;
 
@@ -2884,87 +2812,6 @@ config_find_table( CfOcInfo **colst, int nocs, AttributeDescription *ad )
        return NULL;
 }
 
-/* Sort the values in an X-ORDERED VALUES attribute.
- * If the values have no index, leave them in their given order.
- * If the values have indexes, sort them.
- * If some are indexed and some are not, return Error.
- *
- * FIXME: This function probably belongs in the frontend somewhere,
- * like slap_mods_check.
- */
-static int
-sort_vals( Attribute *a )
-{
-       int i;
-       int index = 0, noindex = 0;
-
-       /* count attrs, look for index */
-       for (i=0; a->a_vals[i].bv_val; i++) {
-               if ( a->a_vals[i].bv_val[0] == '{' ) {
-                       char *ptr;
-                       index = 1;
-                       ptr = strchr( a->a_vals[i].bv_val, '}' );
-                       if ( !ptr || !ptr[1] )
-                               return LDAP_INVALID_SYNTAX;
-                       if ( noindex )
-                               return LDAP_INVALID_SYNTAX;
-               } else {
-                       noindex = 1;
-                       if ( index )
-                               return LDAP_INVALID_SYNTAX;
-               }
-       }
-
-       if ( index ) {
-               int vals = i, *indexes, j, idx;
-               struct berval tmp, ntmp;
-               char *ptr;
-
-#if 0
-               /* Strip index from normalized values */
-               if ( !a->a_nvals || a->a_vals == a->a_nvals ) {
-                       a->a_nvals = ch_malloc( (vals+1)*sizeof(struct berval));
-                       BER_BVZERO(a->a_nvals+vals);
-                       for ( i=0; i<vals; i++ ) {
-                               ptr = strchr(a->a_vals[i].bv_val, '}') + 1;
-                               a->a_nvals[i].bv_len = a->a_vals[i].bv_len -
-                                       (ptr - a->a_vals[i].bv_val);
-                               a->a_nvals[i].bv_val = ch_malloc( a->a_nvals[i].bv_len + 1);
-                               strcpy(a->a_nvals[i].bv_val, ptr );
-                       }
-               } else {
-                       for ( i=0; i<vals; i++ ) {
-                               ptr = strchr(a->a_nvals[i].bv_val, '}') + 1;
-                               a->a_nvals[i].bv_len -= ptr - a->a_nvals[i].bv_val;
-                               strcpy(a->a_nvals[i].bv_val, ptr);
-                       }
-               }
-#endif
-                               
-               indexes = ch_malloc( vals * sizeof(int) );
-               for ( i=0; i<vals; i++)
-                       indexes[i] = atoi(a->a_vals[i].bv_val+1);
-
-               /* Insertion sort */
-               for ( i=1; i<vals; i++ ) {
-                       idx = indexes[i];
-                       tmp = a->a_vals[i];
-                       ntmp = a->a_nvals[i];
-                       j = i;
-                       while ((j > 0) && (indexes[j-1] > idx)) {
-                               indexes[j] = indexes[j-1];
-                               a->a_vals[j] = a->a_vals[j-1];
-                               a->a_nvals[j] = a->a_nvals[j-1];
-                               j--;
-                       }
-                       indexes[j] = idx;
-                       a->a_vals[j] = tmp;
-                       a->a_nvals[j] = ntmp;
-               }
-       }
-       return 0;
-}
-
 /* Sort the attributes of the entry according to the order defined
  * in the objectclass, with required attributes occurring before
  * allowed attributes. For any attributes with sequencing dependencies
@@ -2972,7 +2819,7 @@ sort_vals( Attribute *a )
  * list the attributes in the desired sequence.
  */
 static void
-sort_attrs( Entry *e, CfOcInfo **colst, int nocs )
+sort_attrs( Entry *e, ConfigOCs **colst, int nocs )
 {
        Attribute *a, *head = NULL, *tail = NULL, **prev;
        int i, j;
@@ -3042,9 +2889,9 @@ check_vals( ConfigTable *ct, ConfigArgs *ca, void *ptr, int isAttr )
                vals = ml->sml_values;
        }
 
-       if ( a && ad->ad_type->sat_flags & SLAP_AT_ORDERED ) {
+       if ( a && ( ad->ad_type->sat_flags & SLAP_AT_ORDERED_VAL )) {
                sort = 1;
-               rc = sort_vals( a );
+               rc = ordered_value_sort( a, 1 );
                if ( rc )
                        return rc;
        }
@@ -3055,8 +2902,9 @@ check_vals( ConfigTable *ct, ConfigArgs *ca, void *ptr, int isAttr )
                        if ( idx ) ca->line = idx+1;
                }
                rc = config_parse_vals( ct, ca, i );
-               if ( rc )
+               if ( rc ) {
                        break;
+               }
        }
        return rc;
 }
@@ -3091,8 +2939,13 @@ check_name_index( CfEntryInfo *parent, ConfigType ce_type, Entry *e,
                        return LDAP_NAMING_VIOLATION;
                gotindex = 1;
                index = atoi(ptr1+1);
-               if ( index < 0 )
-                       return LDAP_NAMING_VIOLATION;
+               if ( index < 0 ) {
+                       /* Special case, we allow -1 for the frontendDB */
+                       if ( index != -1 || ce_type != Cft_Database ||
+                               strncmp( ptr2+1, "frontend,", STRLENOF("frontend,") ))
+
+                               return LDAP_NAMING_VIOLATION;
+               }
        }
 
        /* count related kids */
@@ -3184,20 +3037,20 @@ check_name_index( CfEntryInfo *parent, ConfigType ce_type, Entry *e,
        return 0;
 }
 
-static CfOcInfo **
+static ConfigOCs **
 count_ocs( Attribute *oc_at, int *nocs )
 {
        int i, j, n;
-       CfOcInfo co, *coptr, **colst;
+       ConfigOCs co, *coptr, **colst;
 
        /* count the objectclasses */
        for ( i=0; oc_at->a_nvals[i].bv_val; i++ );
        n = i;
-       colst = (CfOcInfo **)ch_malloc( n * sizeof(CfOcInfo *));
+       colst = (ConfigOCs **)ch_malloc( n * sizeof(ConfigOCs *));
 
        for ( i=0, j=0; i<n; i++) {
                co.co_name = &oc_at->a_nvals[i];
-               coptr = avl_find( CfOcTree, &co, CfOcInfo_cmp );
+               coptr = avl_find( CfOcTree, &co, CfOc_cmp );
                
                /* ignore non-config objectclasses. probably should be
                 * an error, general data doesn't belong here.
@@ -3213,147 +3066,160 @@ count_ocs( Attribute *oc_at, int *nocs )
        return colst;
 }
 
-       /* Only the root can be Cft_Global, everything else must
-/* Parse an LDAP entry into config directives */
 static int
-config_add_internal( CfBackInfo *cfb, Entry *e, SlapReply *rs, int *renum )
+cfAddInclude( CfEntryInfo *p, Entry *e, ConfigArgs *ca )
 {
-       CfEntryInfo *ce, *last;
-       CfOcInfo **colst;
-       Attribute *a, *oc_at, *type_attr;
-       AttributeDescription *type_ad = NULL;
-       int i, j, nocs, rc;
-       ConfigArgs ca = {0};
-       struct berval pdn;
-       ConfigTable *ct, *type_ct = NULL;
-       char *ptr;
-
-       /* Make sure parent exists and entry does not */
-       ce = config_find_base( cfb->cb_root, &e->e_nname, &last );
-       if ( ce )
-               return LDAP_ALREADY_EXISTS;
+       if ( p->ce_type != Cft_Global && p->ce_type != Cft_Include )
+               return LDAP_CONSTRAINT_VIOLATION;
 
-       dnParent( &e->e_nname, &pdn );
+       /* If we're reading from a configdir, don't parse this entry */
+       if ( ca->lineno )
+               return LDAP_COMPARE_TRUE;
 
-       /* If last is NULL, the new entry is the root/suffix entry, 
-        * otherwise last should be the parent.
-        */
-       if ( last && !dn_match( &last->ce_entry->e_nname, &pdn )) {
-               if ( rs )
-                       rs->sr_matched = last->ce_entry->e_name.bv_val;
-               return LDAP_NO_SUCH_OBJECT;
-       }
+       cfn = p->ce_private;
+       ca->private = cfn;
+       return LDAP_SUCCESS;
+}
 
-       oc_at = attr_find( e->e_attrs, slap_schema.si_ad_objectClass );
-       if ( !oc_at ) return LDAP_OBJECT_CLASS_VIOLATION;
+static int
+cfAddSchema( CfEntryInfo *p, Entry *e, ConfigArgs *ca )
+{
+       ConfigFile *cfo;
+
+       /* This entry is hardcoded, don't re-parse it */
+       if ( p->ce_type == Cft_Global ) {
+               cfn = p->ce_private;
+               ca->private = cfn;
+               return LDAP_COMPARE_TRUE;
+       }
+       if ( p->ce_type != Cft_Schema )
+               return LDAP_CONSTRAINT_VIOLATION;
+
+       cfn = ch_calloc( 1, sizeof(ConfigFile) );
+       ca->private = cfn;
+       cfo = p->ce_private;
+       cfn->c_sibs = cfo->c_kids;
+       cfo->c_kids = cfn;
+       return LDAP_SUCCESS;
+}
 
-       colst = count_ocs( oc_at, &nocs );
+static int
+cfAddDatabase( CfEntryInfo *p, Entry *e, struct config_args_s *ca )
+{
+       if ( p->ce_type != Cft_Global )
+               return LDAP_CONSTRAINT_VIOLATION;
+       ca->be = frontendDB;    /* just to get past check_vals */
+       return LDAP_SUCCESS;
+}
 
-       /* Only the root can be Cft_Global, everything else must
-        * have a parent. Only limited nesting arrangements are allowed.
+static int
+cfAddBackend( CfEntryInfo *p, Entry *e, struct config_args_s *ca )
+{
+       if ( p->ce_type != Cft_Global )
+               return LDAP_CONSTRAINT_VIOLATION;
+       return LDAP_SUCCESS;
+}
+
+static int
+cfAddModule( CfEntryInfo *p, Entry *e, struct config_args_s *ca )
+{
+       if ( p->ce_type != Cft_Global )
+               return LDAP_CONSTRAINT_VIOLATION;
+       return LDAP_SUCCESS;
+}
+
+static int
+cfAddOverlay( CfEntryInfo *p, Entry *e, struct config_args_s *ca )
+{
+       if ( p->ce_type != Cft_Database )
+               return LDAP_CONSTRAINT_VIOLATION;
+       ca->be = p->ce_be;
+       return LDAP_SUCCESS;
+}
+
+/* Parse an LDAP entry into config directives */
+static int
+config_add_internal( CfBackInfo *cfb, Entry *e, ConfigArgs *ca, SlapReply *rs, int *renum )
+{
+       CfEntryInfo *ce, *last;
+       ConfigOCs **colst;
+       Attribute *a, *oc_at;
+       int i, nocs, rc = 0;
+       struct berval pdn;
+       ConfigTable *ct;
+       char *ptr;
+
+       /* Make sure parent exists and entry does not */
+       ce = config_find_base( cfb->cb_root, &e->e_nname, &last );
+       if ( ce )
+               return LDAP_ALREADY_EXISTS;
+
+       dnParent( &e->e_nname, &pdn );
+
+       /* If last is NULL, the new entry is the root/suffix entry, 
+        * otherwise last should be the parent.
         */
-       switch( colst[0]->co_type ) {
-       case Cft_Global:
-               if ( last )  {
-                       rc = LDAP_CONSTRAINT_VIOLATION;
-                       goto leave;
-               }
-               break;
-       case Cft_Schema:
-       case Cft_Backend:
-       case Cft_Database:
-       case Cft_Include:
-               if ( !last || ( last->ce_type != Cft_Global &&
-                       last->ce_type != colst[0]->co_type )) {
-                       rc = LDAP_CONSTRAINT_VIOLATION;
-                       goto leave;
-               }
-               break;
-       case Cft_Overlay:
-               if ( !last || ( last->ce_type != Cft_Global &&
-                       last->ce_type != Cft_Database &&
-                       last->ce_type != colst[0]->co_type )) {
-                       rc = LDAP_CONSTRAINT_VIOLATION;
-                       goto leave;
-               }
-               break;
-#ifdef SLAPD_MODULES
-       case Cft_Module:
-               if ( !last || last->ce_type != Cft_Global ) {
-                       rc = LDAP_CONSTRAINT_VIOLATION;
-                       goto leave;
-               }
-#endif
-               break;
+       if ( last && !dn_match( &last->ce_entry->e_nname, &pdn )) {
+               if ( rs )
+                       rs->sr_matched = last->ce_entry->e_name.bv_val;
+               return LDAP_NO_SUCH_OBJECT;
        }
 
-       sort_attrs( e, colst, nocs );
+       oc_at = attr_find( e->e_attrs, slap_schema.si_ad_objectClass );
+       if ( !oc_at ) return LDAP_OBJECT_CLASS_VIOLATION;
 
-       /* Parse all the values and check for simple syntax errors before
-        * performing any set actions.
+       memset( ca, 0, sizeof(ConfigArgs));
+
+       /* Fake the coordinates based on whether we're part of an
+        * LDAP Add or if reading the config dir
         */
-       switch (colst[0]->co_type) {
-       case Cft_Schema:
-               /* The cn=schema entry is all hardcoded, so never reparse it */
-               if (last->ce_type == Cft_Global )
-                       goto ok;
-               /* FALLTHRU */
-       case Cft_Global:
-               ca.be = LDAP_STAILQ_FIRST(&backendDB);
-               break;
+       if ( rs ) {
+               ca->fname = "slapd";
+               ca->lineno = 0;
+       } else {
+               ca->fname = cfdir.bv_val;
+               ca->lineno = 1;
+       }
 
-       case Cft_Backend:
-               if ( last->ce_type == Cft_Backend )
-                       ca.bi = last->ce_bi;
-               else
-                       type_ad = cfAd_backend;
-               break;
-       case Cft_Database:
-               if ( last->ce_type == Cft_Database ) {
-                       ca.be = last->ce_be;
-               } else {
-                       type_ad = cfAd_database;
-                       /* dummy, just to get past check_attr */
-                       ca.be = frontendDB;
-               }
-               break;
+       colst = count_ocs( oc_at, &nocs );
 
-       case Cft_Overlay:
-               ca.be = last->ce_be;
-               type_ad = cfAd_overlay;
-               break;
+       /* Only the root can be Cft_Global, everything else must
+        * have a parent. Only limited nesting arrangements are allowed.
+        */
+       rc = LDAP_CONSTRAINT_VIOLATION;
+       if ( colst[0]->co_type == Cft_Global && !last ) {
+               cfn = cfb->cb_config;
+               ca->private = cfn;
+               ca->be = frontendDB;    /* just to get past check_vals */
+               rc = LDAP_SUCCESS;
+       }
 
-       case Cft_Include:
-               if ( !rs ) {
-                       nocs = 0; /* ignored */
-                       break;
-               }
-               type_ad = cfAd_include;
-               break;
-#ifdef SLAPD_MODULES
-       case Cft_Module: {
-               ModPaths *mp;
-               char *ptr;
-               ptr = strchr( e->e_name.bv_val, '{' );
-               if ( !ptr ) {
-                       rc = LDAP_NAMING_VIOLATION;
-                       goto leave;
-               }
-               j = atoi(ptr+1);
-               for (i=0, mp=&modpaths; mp && i<j; mp=mp->mp_next);
-               /* There is no corresponding modpath for this load? */
-               if ( i != j ) {
-                       rc = LDAP_NAMING_VIOLATION;
-                       goto leave;
-               }
-               module_path( mp->mp_path.bv_val );
-               ca.private = mp;
+       /* Check whether the Add is allowed by its parent, and do
+        * any necessary arg setup
+        */
+       if ( last ) {
+               for ( i=0; i<nocs; i++ ) {
+                       if ( colst[i]->co_ldadd &&
+                               ( rc = colst[i]->co_ldadd( last, e, ca ))
+                                       != LDAP_CONSTRAINT_VIOLATION ) {
+                               break;
+                       }
                }
-               break;
-#endif
        }
 
-       /* If doing an LDAPadd, check for indexed names and any necessary
+       /* Add the entry but don't parse it, we already have its contents */
+       if ( rc == LDAP_COMPARE_TRUE ) {
+               rc = LDAP_SUCCESS;
+               goto ok;
+       }
+
+       if ( rc != LDAP_SUCCESS )
+               goto leave;
+
+       /* Parse all the values and check for simple syntax errors before
+        * performing any set actions.
+        *
+        * If doing an LDAPadd, check for indexed names and any necessary
         * renaming/renumbering. Entries that don't need indexed names are
         * ignored. Entries that need an indexed name and arrive without one
         * are assigned to the end. Entries that arrive with an index may
@@ -3370,55 +3236,32 @@ config_add_internal( CfBackInfo *cfb, Entry *e, SlapReply *rs, int *renum )
        if ( rc )
                goto leave;
 
-       init_config_argv( &ca );
-       if ( type_ad ) {
-               type_attr = attr_find( e->e_attrs, type_ad );
-               if ( !type_attr ) {
-                       rc = LDAP_OBJECT_CLASS_VIOLATION;
-                       goto leave;
-               }
-               type_ct = config_find_table( colst, nocs, type_ad );
-               if ( !type_ct ) {
-                       rc = LDAP_OBJECT_CLASS_VIOLATION;
-                       goto leave;
-               }
-               rc = check_vals( type_ct, &ca, type_attr, 1);
-               if ( rc ) goto leave;
-       }
+       init_config_argv( ca );
+
+       /* Make sure we process attrs in the required order */
+       sort_attrs( e, colst, nocs );
+
        for ( a=e->e_attrs; a; a=a->a_next ) {
-               if ( a == type_attr || a == oc_at ) continue;
+               if ( a == oc_at ) continue;
                ct = config_find_table( colst, nocs, a->a_desc );
                if ( !ct ) continue;    /* user data? */
-               rc = check_vals( ct, &ca, a, 1 );
+               rc = check_vals( ct, ca, a, 1 );
                if ( rc ) goto leave;
        }
 
        /* Basic syntax checks are OK. Do the actual settings. */
-       if ( type_ct ) {
-               ca.line = type_attr->a_vals[0].bv_val;
-               if ( type_ad->ad_type->sat_flags & SLAP_AT_ORDERED ) {
-                       ptr = strchr( ca.line, '}' );
-                       if ( ptr ) ca.line = ptr+1;
-               }
-               ca.valx = 0;
-               rc = config_parse_add( type_ct, &ca );
-               if ( rc ) {
-                       rc = LDAP_OTHER;
-                       goto leave;
-               }
-       }
        for ( a=e->e_attrs; a; a=a->a_next ) {
-               if ( a == type_attr || a == oc_at ) continue;
+               if ( a == oc_at ) continue;
                ct = config_find_table( colst, nocs, a->a_desc );
                if ( !ct ) continue;    /* user data? */
                for (i=0; a->a_vals[i].bv_val; i++) {
-                       ca.line = a->a_vals[i].bv_val;
+                       ca->line = a->a_vals[i].bv_val;
                        if ( a->a_desc->ad_type->sat_flags & SLAP_AT_ORDERED ) {
-                               ptr = strchr( ca.line, '}' );
-                               if ( ptr ) ca.line = ptr+1;
+                               ptr = strchr( ca->line, '}' );
+                               if ( ptr ) ca->line = ptr+1;
                        }
-                       ca.valx = i;
-                       rc = config_parse_add( ct, &ca );
+                       ca->valx = i;
+                       rc = config_parse_add( ct, ca );
                        if ( rc ) {
                                rc = LDAP_OTHER;
                                goto leave;
@@ -3426,13 +3269,36 @@ config_add_internal( CfBackInfo *cfb, Entry *e, SlapReply *rs, int *renum )
                }
        }
 ok:
+       /* Newly added databases and overlays need to be started up */
+       if ( CONFIG_ONLINE_ADD( ca )) {
+               if ( colst[0]->co_type == Cft_Database ) {
+                       rc = backend_startup_one( ca->be );
+
+               } else if ( colst[0]->co_type == Cft_Overlay ) {
+                       if ( ca->bi->bi_db_open ) {
+                               BackendInfo *bi_orig = ca->be->bd_info;
+                               ca->be->bd_info = ca->bi;
+                               rc = ca->bi->bi_db_open( ca->be );
+                               ca->be->bd_info = bi_orig;
+                       }
+               }
+               if ( rc ) {
+                       sprintf( ca->msg, "<%s> failed startup", ca->argv[0] );
+                       Debug(LDAP_DEBUG_ANY, "%s: %s (%s)!\n",
+                               ca->log, ca->msg, ca->argv[1] );
+                       rc = LDAP_OTHER;
+                       goto leave;
+               }
+       }
+
        ce = ch_calloc( 1, sizeof(CfEntryInfo) );
        ce->ce_parent = last;
        ce->ce_entry = entry_dup( e );
        ce->ce_entry->e_private = ce;
        ce->ce_type = colst[0]->co_type;
-       ce->ce_be = ca.be;
-       ce->ce_bi = ca.bi;
+       ce->ce_be = ca->be;
+       ce->ce_bi = ca->bi;
+       ce->ce_private = ca->private;
        if ( !last ) {
                cfb->cb_root = ce;
        } else if ( last->ce_kids ) {
@@ -3446,7 +3312,16 @@ ok:
        }
 
 leave:
-       ch_free( ca.argv );
+       if ( rc ) {
+               if ( (colst[0]->co_type == Cft_Database) && ca->be ) {
+                       if ( ca->be != frontendDB )
+                               backend_destroy_one( ca->be, 1 );
+               } else if ( (colst[0]->co_type == Cft_Overlay) && ca->bi ) {
+                       overlay_destroy_one( ca->be, (slap_overinst *)ca->bi );
+               }
+       }
+
+       ch_free( ca->argv );
        if ( colst ) ch_free( colst );
        return rc;
 }
@@ -3458,8 +3333,8 @@ static int
 config_back_add( Operation *op, SlapReply *rs )
 {
        CfBackInfo *cfb;
-       CfEntryInfo *ce, *last;
        int renumber;
+       ConfigArgs ca;
 
        if ( !be_isroot( op ) ) {
                rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
@@ -3477,8 +3352,10 @@ config_back_add( Operation *op, SlapReply *rs )
         * 4) store entry in underlying database
         * 5) perform any necessary renumbering
         */
-       rs->sr_err = config_add_internal( cfb, op->ora_e, rs, &renumber );
-       if ( rs->sr_err == LDAP_SUCCESS ) {
+       rs->sr_err = config_add_internal( cfb, op->ora_e, &ca, rs, &renumber );
+       if ( rs->sr_err != LDAP_SUCCESS ) {
+               rs->sr_text = ca.msg;
+       } else if ( cfb->cb_use_ldif ) {
                BackendDB *be = op->o_bd;
                slap_callback sc = { NULL, slap_null_cb, NULL, NULL };
                op->o_bd = &cfb->cb_db;
@@ -3498,20 +3375,25 @@ out:
        return rs->sr_err;
 }
 
+typedef struct delrec {
+       struct delrec *next;
+       int nidx;
+       int idx[1];
+} delrec;
+
 static int
 config_modify_internal( CfEntryInfo *ce, Operation *op, SlapReply *rs,
-       char *textbuf, int textsize )
+       ConfigArgs *ca )
 {
-       CfBackInfo *cfb = (CfBackInfo *)op->o_bd->be_private;
        int rc = LDAP_UNWILLING_TO_PERFORM;
        Modifications *ml;
        Entry *e = ce->ce_entry;
        Attribute *save_attrs = e->e_attrs, *oc_at;
-       ConfigArgs ca = {0};
        ConfigTable *ct;
-       CfOcInfo **colst;
+       ConfigOCs **colst;
        int i, nocs;
        char *ptr;
+       delrec *dels = NULL, *deltail = NULL;
 
        oc_at = attr_find( e->e_attrs, slap_schema.si_ad_objectClass );
        if ( !oc_at ) return LDAP_OBJECT_CLASS_VIOLATION;
@@ -3520,24 +3402,52 @@ config_modify_internal( CfEntryInfo *ce, Operation *op, SlapReply *rs,
 
        e->e_attrs = attrs_dup( e->e_attrs );
 
-       init_config_argv( &ca );
-       ca.be = ce->ce_be;
-       ca.bi = ce->ce_bi;
+       init_config_argv( ca );
+       ca->be = ce->ce_be;
+       ca->bi = ce->ce_bi;
+       ca->private = ce->ce_private;
+       ca->ca_entry = e;
+       strcpy( ca->log, "back-config" );
 
        for (ml = op->orm_modlist; ml; ml=ml->sml_next) {
+               ct = config_find_table( colst, nocs, ml->sml_desc );
                switch (ml->sml_op) {
                case LDAP_MOD_DELETE:
                case LDAP_MOD_REPLACE: {
                        BerVarray vals = NULL, nvals;
+                       int *idx = NULL;
+                       if ( ct && ( ct->arg_type & ARG_NO_DELETE )) {
+                               rc = LDAP_OTHER;
+                               snprintf(ca->msg, sizeof(ca->msg), "cannot delete %s",
+                                       ml->sml_desc->ad_cname.bv_val );
+                               goto out;
+                       }
                        if ( ml->sml_op == LDAP_MOD_REPLACE ) {
                                vals = ml->sml_values;
                                nvals = ml->sml_nvalues;
                                ml->sml_values = NULL;
                                ml->sml_nvalues = NULL;
                        }
-                       rc = modify_delete_values(e, &ml->sml_mod,
+                       /* If we're deleting by values, remember the indexes of the
+                        * values we deleted.
+                        */
+                       if ( ct && ml->sml_values ) {
+                               delrec *d;
+                               for (i=0; ml->sml_values[i].bv_val; i++);
+                               d = ch_malloc( sizeof(delrec) + (i - 1)* sizeof(int));
+                               d->nidx = i;
+                               d->next = NULL;
+                               if ( dels ) {
+                                       deltail->next = d;
+                               } else {
+                                       dels = d;
+                               }
+                               deltail = d;
+                               idx = d->idx;
+                       }
+                       rc = modify_delete_vindex(e, &ml->sml_mod,
                                get_permissiveModify(op),
-                               &rs->sr_text, textbuf, textsize );
+                               &rs->sr_text, ca->msg, sizeof(ca->msg), idx );
                        if ( ml->sml_op == LDAP_MOD_REPLACE ) {
                                ml->sml_values = vals;
                                ml->sml_nvalues = nvals;
@@ -3550,16 +3460,34 @@ config_modify_internal( CfEntryInfo *ce, Operation *op, SlapReply *rs,
                case LDAP_MOD_ADD:
                case SLAP_MOD_SOFTADD: {
                        int mop = ml->sml_op;
+                       int navals = -1;
                        ml->sml_op = LDAP_MOD_ADD;
-                       for ( i=0; !BER_BVISNULL( &ml->sml_values[i] ); i++ ) {
-                               ct = config_find_table( colst, nocs, ml->sml_desc );
-                               if ( !ct ) continue;
-                               rc = check_vals( ct, &ca, ml, 0 );
-                               if ( rc ) goto out;
+                       if ( ct ) {
+                               if ( ct->arg_type & ARG_NO_INSERT ) {
+                                       Attribute *a = attr_find( e->e_attrs, ml->sml_desc );
+                                       if ( a ) {
+                                               for (i = 0; a->a_vals[i].bv_val; i++ );
+                                               navals = i;
+                                       }
+                               }
+                               for ( i=0; !BER_BVISNULL( &ml->sml_values[i] ); i++ ) {
+                                       if ( ml->sml_values[i].bv_val[0] == '{' &&
+                                               navals >= 0 ) {
+                                               int j = strtol( ml->sml_values[i].bv_val+1, NULL, 0 );
+                                               if ( j < navals ) {
+                                                       rc = LDAP_OTHER;
+                                                       snprintf(ca->msg, sizeof(ca->msg), "cannot insert %s",
+                                                               ml->sml_desc->ad_cname.bv_val );
+                                                       goto out;
+                                               }
+                                       }
+                                       rc = check_vals( ct, ca, ml, 0 );
+                                       if ( rc ) goto out;
+                               }
                        }
                        rc = modify_add_values(e, &ml->sml_mod,
                                   get_permissiveModify(op),
-                                  &rs->sr_text, textbuf, textsize );
+                                  &rs->sr_text, ca->msg, sizeof(ca->msg) );
 
                        /* If value already exists, show success here
                         * and ignore this operation down below.
@@ -3585,16 +3513,12 @@ config_modify_internal( CfEntryInfo *ce, Operation *op, SlapReply *rs,
        
        if(rc == LDAP_SUCCESS) {
                /* check that the entry still obeys the schema */
-               rc = entry_schema_check(op->o_bd, e, NULL,
-                                 &rs->sr_text, textbuf, textsize );
+               rc = entry_schema_check(op, e, NULL, 0,
+                       &rs->sr_text, ca->msg, sizeof(ca->msg) );
        }
        if ( rc == LDAP_SUCCESS ) {
                /* Basic syntax checks are OK. Do the actual settings. */
                for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
-                       /* Ignore single-value deletes */
-                       if ( is_at_single_value( ml->sml_desc->ad_type ) &&
-                               ml->sml_op == LDAP_MOD_DELETE ) continue;
-                       
                        ct = config_find_table( colst, nocs, ml->sml_desc );
                        if ( !ct ) continue;
 
@@ -3602,33 +3526,80 @@ config_modify_internal( CfEntryInfo *ce, Operation *op, SlapReply *rs,
                        case LDAP_MOD_DELETE:
                        case LDAP_MOD_REPLACE: {
                                BerVarray vals = NULL, nvals;
+                               Attribute *a;
+                               delrec *d;
+
+                               a = attr_find( e->e_attrs, ml->sml_desc );
+
                                if ( ml->sml_op == LDAP_MOD_REPLACE ) {
                                        vals = ml->sml_values;
                                        nvals = ml->sml_nvalues;
                                        ml->sml_values = NULL;
                                        ml->sml_nvalues = NULL;
                                }
-#if 0
-                               rc = config_del_vals( ct, &ca, ml->sml_values );
-#endif
+
+                               if ( ml->sml_values )
+                                       d = dels;
+
+                               /* If we didn't delete the whole attribute */
+                               if ( ml->sml_values && a ) {
+                                       struct berval *mvals;
+                                       int j;
+
+                                       if ( ml->sml_nvalues )
+                                               mvals = ml->sml_nvalues;
+                                       else
+                                               mvals = ml->sml_values;
+
+                                       /* use the indexes we saved up above */
+                                       for (i=0; i < d->nidx; i++) {
+                                               struct berval bv = *mvals++;
+                                               if ( a->a_desc->ad_type->sat_flags & SLAP_AT_ORDERED &&
+                                                       bv.bv_val[0] == '{' ) {
+                                                       ptr = strchr( bv.bv_val, '}' ) + 1;
+                                                       bv.bv_len -= ptr - bv.bv_val;
+                                                       bv.bv_val = ptr;
+                                               }
+                                               ca->line = bv.bv_val;
+                                               ca->valx = d->idx[i];
+                                               rc = config_del_vals( ct, ca );
+                                               if ( rc != LDAP_SUCCESS ) break;
+                                               for (j=i+1; j < d->nidx; j++)
+                                                       if ( d->idx[j] >d->idx[i] )
+                                                               d->idx[j]--;
+                                       }
+                               } else {
+                                       ca->valx = -1;
+                                       ca->line = NULL;
+                                       rc = config_del_vals( ct, ca );
+                                       if ( rc ) rc = LDAP_OTHER;
+                               }
+                               if ( ml->sml_values ) {
+                                       ch_free( dels );
+                                       dels = d->next;
+                               }
                                if ( ml->sml_op == LDAP_MOD_REPLACE ) {
                                        ml->sml_values = vals;
                                        ml->sml_nvalues = nvals;
                                }
-                               if ( !vals )
+                               if ( !vals || rc != LDAP_SUCCESS )
                                        break;
                                }
                                /* FALLTHRU: LDAP_MOD_REPLACE && vals */
 
                        case LDAP_MOD_ADD:
                                for (i=0; ml->sml_values[i].bv_val; i++) {
-                                       ca.line = ml->sml_values[i].bv_val;
-                                       if ( ml->sml_desc->ad_type->sat_flags & SLAP_AT_ORDERED ) {
-                                               ptr = strchr( ca.line, '}' );
-                                               if ( ptr ) ca.line = ptr+1;
+                                       ca->line = ml->sml_values[i].bv_val;
+                                       ca->valx = -1;
+                                       if ( ml->sml_desc->ad_type->sat_flags & SLAP_AT_ORDERED &&
+                                               ca->line[0] == '{' ) {
+                                               ptr = strchr( ca->line, '}' );
+                                               if ( ptr ) {
+                                                       ca->valx = strtol( ca->line+1, NULL, 0 );
+                                                       ca->line = ptr+1;
+                                               }
                                        }
-                                       ca.valx = i;
-                                       rc = config_parse_add( ct, &ca );
+                                       rc = config_parse_add( ct, ca );
                                        if ( rc ) {
                                                rc = LDAP_OTHER;
                                                goto out;
@@ -3641,13 +3612,15 @@ config_modify_internal( CfEntryInfo *ce, Operation *op, SlapReply *rs,
        }
 
 out:
+       if ( ca->cleanup )
+               ca->cleanup( ca );
        if ( rc == LDAP_SUCCESS ) {
                attrs_free( save_attrs );
        } else {
                attrs_free( e->e_attrs );
                e->e_attrs = save_attrs;
        }
-       ch_free( ca.argv );
+       ch_free( ca->argv );
        if ( colst ) ch_free( colst );
 
        return rc;
@@ -3659,7 +3632,7 @@ config_back_modify( Operation *op, SlapReply *rs )
        CfBackInfo *cfb;
        CfEntryInfo *ce, *last;
        Modifications *ml;
-       char textbuf[SLAP_TEXT_BUFLEN];
+       ConfigArgs ca = {0};
        struct berval rdn;
        char *ptr;
        AttributeDescription *rad = NULL;
@@ -3687,26 +3660,9 @@ config_back_modify( Operation *op, SlapReply *rs )
 
        /* Some basic validation... */
        for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
-               /* Braindead single-value check - the ADD must immediately follow
-                * the DELETE. We don't check that there's only one ADD; for multiple
-                * ADDs only the last one will be saved. The drivers don't distinguish
-                * ADD from REPLACE.
-                */
-               if ( is_at_single_value( ml->sml_desc->ad_type )) {
-                       if (( ml->sml_op == LDAP_MOD_DELETE &&
-                               ( !ml->sml_next || ml->sml_next->sml_desc != ml->sml_desc ||
-                               ml->sml_next->sml_op != LDAP_MOD_ADD )) ||
-
-                               /* Also check for REPLACE with no values */
-                               ( ml->sml_op == LDAP_MOD_REPLACE && !ml->sml_values )) {
-                               rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
-                               rs->sr_text = "Single-Value Delete must be followed by Add";
-                               goto out;
-                       }
-               }
                /* Don't allow Modify of RDN; must use ModRdn for that. */
                if ( ml->sml_desc == rad ) {
-                       rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
+                       rs->sr_err = LDAP_NOT_ALLOWED_ON_RDN;
                        rs->sr_text = "Use modrdn to change the entry name";
                        goto out;
                }
@@ -3720,7 +3676,19 @@ config_back_modify( Operation *op, SlapReply *rs )
         * 3) perform the individual config operations.
         * 4) store Modified entry in underlying LDIF backend.
         */
-       rs->sr_err = config_modify_internal( ce, op, rs, textbuf, sizeof(textbuf) );
+       rs->sr_err = config_modify_internal( ce, op, rs, &ca );
+       if ( rs->sr_err ) {
+               rs->sr_text = ca.msg;
+       } else if ( cfb->cb_use_ldif ) {
+               BackendDB *be = op->o_bd;
+               slap_callback sc = { NULL, slap_null_cb, NULL, NULL };
+               op->o_bd = &cfb->cb_db;
+               sc.sc_next = op->o_callback;
+               op->o_callback = &sc;
+               op->o_bd->be_modify( op, rs );
+               op->o_bd = be;
+               op->o_callback = sc.sc_next;
+       }
 
        ldap_pvt_thread_pool_resume( &connection_pool );
 out:
@@ -3769,7 +3737,6 @@ config_back_search( Operation *op, SlapReply *rs )
 {
        CfBackInfo *cfb;
        CfEntryInfo *ce, *last;
-       int rc;
 
        if ( !be_isroot( op ) ) {
                rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
@@ -3804,114 +3771,119 @@ out:
        return 0;
 }
 
-static Entry *
-config_alloc_entry( CfEntryInfo *parent, struct berval *rdn )
+static void
+config_build_attrs( Entry *e, AttributeType **at, AttributeDescription *ad,
+       ConfigTable *ct, ConfigArgs *c )
+{
+       int i, rc;
+
+       for (; at && *at; at++) {
+               /* Skip the naming attr */
+               if ((*at)->sat_ad == ad || (*at)->sat_ad == slap_schema.si_ad_cn )
+                       continue;
+               for (i=0;ct[i].name;i++) {
+                       if (ct[i].ad == (*at)->sat_ad) {
+                               rc = config_get_vals(&ct[i], c);
+                               if (rc == LDAP_SUCCESS) {
+                                       if ( c->rvalue_nvals )
+                                               attr_merge(e, ct[i].ad, c->rvalue_vals,
+                                                       c->rvalue_nvals);
+                                       else
+                                               attr_merge_normalize(e, ct[i].ad,
+                                                       c->rvalue_vals, NULL);
+                                       ber_bvarray_free( c->rvalue_nvals );
+                                       ber_bvarray_free( c->rvalue_vals );
+                               }
+                               break;
+                       }
+               }
+       }
+}
+
+Entry *
+config_build_entry( Operation *op, SlapReply *rs, CfEntryInfo *parent,
+       ConfigArgs *c, struct berval *rdn, ConfigOCs *main, ConfigOCs *extra )
 {
        Entry *e = ch_calloc( 1, sizeof(Entry) );
        CfEntryInfo *ce = ch_calloc( 1, sizeof(CfEntryInfo) );
+       struct berval val;
+       struct berval ad_name;
+       AttributeDescription *ad = NULL;
+       int rc;
+       char *ptr;
+       const char *text;
+       Attribute *oc_at;
        struct berval pdn;
+       ObjectClass *oc;
+       CfEntryInfo *ceprev = NULL;
 
        e->e_private = ce;
        ce->ce_entry = e;
        ce->ce_parent = parent;
        if ( parent ) {
                pdn = parent->ce_entry->e_nname;
+               if ( parent->ce_kids )
+                       for ( ceprev = parent->ce_kids; ceprev->ce_sibs;
+                               ceprev = ceprev->ce_sibs );
        } else {
                BER_BVZERO( &pdn );
        }
 
+       ce->ce_type = main->co_type;
+       ce->ce_private = c->private;
+       ce->ce_be = c->be;
+       ce->ce_bi = c->bi;
+
        build_new_dn( &e->e_name, &pdn, rdn, NULL );
        ber_dupbv( &e->e_nname, &e->e_name );
-       return e;
-}
-
-#define        NO_TABLE        0
-#define        BI_TABLE        1
-#define        BE_TABLE        2
 
-static int
-config_build_entry( ConfigArgs *c, Entry *e, ObjectClass *oc,
-        struct berval *rdn, ConfigTable *ct, int table )
-{
-       struct berval vals[2];
-       struct berval ad_name;
-       AttributeDescription *ad = NULL;
-       int rc, i;
-       char *ptr;
-       const char *text;
-       char textbuf[SLAP_TEXT_BUFLEN];
-       size_t textlen = sizeof(textbuf);
-       AttributeType **at;
-       Attribute *oc_at;
-
-       BER_BVZERO( &vals[1] );
-
-       vals[0] = oc->soc_cname;
-       attr_merge(e, slap_schema.si_ad_objectClass, vals, NULL );
+       attr_merge_normalize_one(e, slap_schema.si_ad_objectClass,
+               main->co_name, NULL );
+       if ( extra )
+               attr_merge_normalize_one(e, slap_schema.si_ad_objectClass,
+                       extra->co_name, NULL );
        ptr = strchr(rdn->bv_val, '=');
        ad_name.bv_val = rdn->bv_val;
        ad_name.bv_len = ptr - rdn->bv_val;
        rc = slap_bv2ad( &ad_name, &ad, &text );
        if ( rc ) {
-               return rc;
+               return NULL;
        }
-       vals[0].bv_val = ptr+1;
-       vals[0].bv_len = rdn->bv_len - (vals[0].bv_val - rdn->bv_val);
-       attr_merge(e, ad, vals, NULL );
+       val.bv_val = ptr+1;
+       val.bv_len = rdn->bv_len - (val.bv_val - rdn->bv_val);
+       attr_merge_normalize_one(e, ad, &val, NULL );
 
-       for (at=oc->soc_required; at && *at; at++) {
-               /* Skip the naming attr */
-               if ((*at)->sat_ad == ad || (*at)->sat_ad == slap_schema.si_ad_cn )
-                       continue;
-               for (i=0;ct[i].name;i++) {
-                       if (ct[i].ad == (*at)->sat_ad) {
-                               rc = config_get_vals(&ct[i], c);
-                               if (rc == LDAP_SUCCESS) {
-                                       attr_merge(e, ct[i].ad, c->rvalue_vals, c->rvalue_nvals);
-                                       ber_bvarray_free( c->rvalue_nvals );
-                                       ber_bvarray_free( c->rvalue_vals );
-                               }
-                               break;
-                       }
-               }
-       }
+       oc = main->co_oc;
+       if ( oc->soc_required )
+               config_build_attrs( e, oc->soc_required, ad, main->co_table, c );
 
-       for (at=oc->soc_allowed; at && *at; at++) {
-               /* Skip the naming attr */
-               if ((*at)->sat_ad == ad || (*at)->sat_ad == slap_schema.si_ad_cn )
-                       continue;
-               for (i=0;ct[i].name;i++) {
-                       if (ct[i].ad == (*at)->sat_ad) {
-                               rc = config_get_vals(&ct[i], c);
-                               if (rc == LDAP_SUCCESS) {
-                                       attr_merge(e, ct[i].ad, c->rvalue_vals, c->rvalue_nvals);
-                                       ber_bvarray_free( c->rvalue_nvals );
-                                       ber_bvarray_free( c->rvalue_vals );
-                               }
-                               break;
-                       }
-               }
-       }
+       if ( oc->soc_allowed )
+               config_build_attrs( e, oc->soc_allowed, ad, main->co_table, c );
 
-       if ( table ) {
-               if ( table == BI_TABLE )
-                       ct = c->bi->bi_cf_table;
-               else
-                       ct = c->be->be_cf_table;
-               for (;ct && ct->name;ct++) {
-                       if (!ct->ad) continue;
-                       rc = config_get_vals(ct, c);
-                       if (rc == LDAP_SUCCESS) {
-                               attr_merge(e, ct->ad, c->rvalue_vals, c->rvalue_nvals);
-                       }
-               }
+       if ( extra ) {
+               oc = extra->co_oc;
+               if ( oc->soc_required )
+                       config_build_attrs( e, oc->soc_required, ad, extra->co_table, c );
+
+               if ( oc->soc_allowed )
+                       config_build_attrs( e, oc->soc_allowed, ad, extra->co_table, c );
        }
+
        oc_at = attr_find( e->e_attrs, slap_schema.si_ad_objectClass );
-       rc = structural_class(oc_at->a_vals, vals, NULL, &text, textbuf, textlen);
-       BER_BVZERO( &vals[1] );
-       attr_merge(e, slap_schema.si_ad_structuralObjectClass, vals, NULL );
+       rc = structural_class(oc_at->a_vals, &val, NULL, &text, c->msg,
+               sizeof(c->msg));
+       attr_merge_normalize_one(e, slap_schema.si_ad_structuralObjectClass, &val, NULL );
+       if ( op ) {
+               op->ora_e = e;
+               op->o_bd->be_add( op, rs );
+       }
+       if ( ceprev ) {
+               ceprev->ce_sibs = ce;
+       } else if ( parent ) {
+               parent->ce_kids = ce;
+       }
 
-       return 0;
+       return e;
 }
 
 static void
@@ -3920,15 +3892,9 @@ config_build_schema_inc( ConfigArgs *c, CfEntryInfo *ceparent,
 {
        Entry *e;
        ConfigFile *cf = c->private;
-       CfEntryInfo *ce, *ceprev;
        char *ptr;
        struct berval bv;
 
-       if ( ceparent->ce_kids ) {
-               for ( ceprev = ceparent->ce_kids; ceprev->ce_sibs;
-                       ceprev = ceprev->ce_sibs );
-       }
-
        for (; cf; cf=cf->c_sibs, c->depth++) {
                c->value_dn.bv_val = c->log;
                bv.bv_val = strrchr(cf->c_file.bv_val, LDAP_DIRSEP[0]);
@@ -3947,106 +3913,55 @@ config_build_schema_inc( ConfigArgs *c, CfEntryInfo *ceparent,
                c->value_dn.bv_len += bv.bv_len;
                c->value_dn.bv_val[c->value_dn.bv_len] ='\0';
 
-               e = config_alloc_entry( ceparent, &c->value_dn );
                c->private = cf;
-               config_build_entry( c, e, cfOc_schema, &c->value_dn,
-                       c->bi->bi_cf_table, NO_TABLE );
-               ce = e->e_private;
-               ce->ce_type = Cft_Schema;
-               op->ora_e = e;
-               op->o_bd->be_add( op, rs );
-               ce->ce_bi = c->bi;
-               if ( !ceparent->ce_kids ) {
-                       ceparent->ce_kids = ce;
-               } else {
-                       ceprev->ce_sibs = ce;
-               }
-               ceprev = ce;
-               if ( cf->c_kids ) {
+               e = config_build_entry( op, rs, ceparent, c, &c->value_dn,
+                       &CFOC_SCHEMA, NULL );
+               if ( e && cf->c_kids ) {
                        c->private = cf->c_kids;
-                       config_build_schema_inc( c, ceparent, op, rs );
+                       config_build_schema_inc( c, e->e_private, op, rs );
                }
        }
 }
 
-static CfEntryInfo *
+static void
 config_build_includes( ConfigArgs *c, CfEntryInfo *ceparent,
        Operation *op, SlapReply *rs )
 {
        Entry *e;
        int i;
        ConfigFile *cf = c->private;
-       CfEntryInfo *ce, *ceprev;
-
-       if ( ceparent->ce_kids ) {
-               for ( ceprev = ceparent->ce_kids; ceprev->ce_sibs;
-                       ceprev = ceprev->ce_sibs );
-       }
 
        for (i=0; cf; cf=cf->c_sibs, i++) {
                c->value_dn.bv_val = c->log;
                c->value_dn.bv_len = sprintf(c->value_dn.bv_val, "cn=include" IFMT, i);
-               e = config_alloc_entry( ceparent, &c->value_dn );
                c->private = cf;
-               config_build_entry( c, e, cfOc_include, &c->value_dn,
-                       c->bi->bi_cf_table, NO_TABLE );
-               op->ora_e = e;
-               op->o_bd->be_add( op, rs );
-               ce = e->e_private;
-               ce->ce_type = Cft_Include;
-               ce->ce_bi = c->bi;
-               if ( !ceparent->ce_kids ) {
-                       ceparent->ce_kids = ce;
-               } else {
-                       ceprev->ce_sibs = ce;
-               }
-               ceprev = ce;
-               if ( cf->c_kids ) {
+               e = config_build_entry( op, rs, ceparent, c, &c->value_dn,
+                       &CFOC_INCLUDE, NULL );
+               if ( e && cf->c_kids ) {
                        c->private = cf->c_kids;
-                       config_build_includes( c, ce, op, rs );
+                       config_build_includes( c, e->e_private, op, rs );
                }
        }
-       return ce;
 }
 
 #ifdef SLAPD_MODULES
 
-static CfEntryInfo *
+static void
 config_build_modules( ConfigArgs *c, CfEntryInfo *ceparent,
        Operation *op, SlapReply *rs )
 {
-       Entry *e;
        int i;
-       CfEntryInfo *ce, *ceprev;
        ModPaths *mp;
 
-       if ( ceparent->ce_kids ) {
-               for ( ceprev = ceparent->ce_kids; ceprev->ce_sibs;
-                       ceprev = ceprev->ce_sibs );
-       }
-
        for (i=0, mp=&modpaths; mp; mp=mp->mp_next, i++) {
                if ( BER_BVISNULL( &mp->mp_path ) && !mp->mp_loads )
                        continue;
                c->value_dn.bv_val = c->log;
                c->value_dn.bv_len = sprintf(c->value_dn.bv_val, "cn=module" IFMT, i);
-               e = config_alloc_entry( ceparent, &c->value_dn );
-               ce = e->e_private;
-               ce->ce_type = Cft_Include;
                c->private = mp;
-               config_build_entry( c, e, cfOc_module, &c->value_dn,
-                       c->bi->bi_cf_table, NO_TABLE );
-               op->ora_e = e;
-               op->o_bd->be_add( op, rs );
-               ce->ce_bi = c->bi;
-               if ( !ceparent->ce_kids ) {
-                       ceparent->ce_kids = ce;
-               } else {
-                       ceprev->ce_sibs = ce;
-               }
-               ceprev = ce;
+               config_build_entry( op, rs, ceparent, c, &c->value_dn,
+                       &CFOC_MODULE, NULL );
        }
-       return ce;
 }
 #endif
 
@@ -4056,12 +3971,10 @@ config_back_db_open( BackendDB *be )
        CfBackInfo *cfb = be->be_private;
        struct berval rdn;
        Entry *e, *parent;
-       CfEntryInfo *ce, *ceparent, *ceprev;
-       int i, rc;
+       CfEntryInfo *ce, *ceparent;
+       int i;
        BackendInfo *bi;
-       BackendDB *bptr;
        ConfigArgs c;
-       ConfigTable *ct;
        Connection conn = {0};
        char opbuf[OPERATION_BUFFER_SIZE];
        Operation *op;
@@ -4072,68 +3985,60 @@ config_back_db_open( BackendDB *be )
        if ( cfb->cb_got_ldif )
                return 0;
 
-       op = (Operation *)opbuf;
-       connection_fake_init( &conn, op, cfb );
+       if ( cfb->cb_use_ldif ) {
+               op = (Operation *)opbuf;
+               connection_fake_init( &conn, op, cfb );
 
-       op->o_dn = be->be_rootdn;
-       op->o_ndn = be->be_rootndn;
+               op->o_dn = be->be_rootdn;
+               op->o_ndn = be->be_rootndn;
 
-       op->o_tag = LDAP_REQ_ADD;
-       op->o_callback = &cb;
-       op->o_bd = &cfb->cb_db;
+               op->o_tag = LDAP_REQ_ADD;
+               op->o_callback = &cb;
+               op->o_bd = &cfb->cb_db;
+       } else {
+               op = NULL;
+       }
 
        /* create root of tree */
        rdn = config_rdn;
-       e = config_alloc_entry( NULL, &rdn );
+       c.private = cfb->cb_config;
+       c.be = frontendDB;
+       e = config_build_entry( op, &rs, NULL, &c, &rdn, &CFOC_GLOBAL, NULL );
        ce = e->e_private;
-       ce->ce_type = Cft_Global;
        cfb->cb_root = ce;
-       c.be = be;
-       c.bi = be->bd_info;
-       c.private = cfb->cb_config;
-       ct = c.bi->bi_cf_table;
-       config_build_entry( &c, e, cfOc_global, &rdn, ct, NO_TABLE );
-       op->ora_e = e;
-       op->o_bd->be_add( op, &rs );
-       ce->ce_bi = c.bi;
 
        parent = e;
        ceparent = ce;
 
+       /* Create includeFile nodes */
+       if ( cfb->cb_config->c_kids ) {
+               c.depth = 0;
+               c.private = cfb->cb_config->c_kids;
+               config_build_includes( &c, ceparent, op, &rs );
+       }
+
+#ifdef SLAPD_MODULES
+       /* Create Module nodes... */
+       if ( modpaths.mp_loads ) {
+               config_build_modules( &c, ceparent, op, &rs );
+       }
+#endif
+
        /* Create schema nodes... cn=schema will contain the hardcoded core
         * schema, read-only. Child objects will contain runtime loaded schema
         * files.
         */
        rdn = schema_rdn;
-       e = config_alloc_entry( ceparent, &rdn );
-       ce = e->e_private;
-       ce->ce_type = Cft_Schema;
        c.private = NULL;
-       config_build_entry( &c, e, cfOc_schema, &rdn, ct, NO_TABLE );
-       op->ora_e = e;
-       op->o_bd->be_add( op, &rs );
-       if ( !ceparent->ce_kids ) {
-               ceparent->ce_kids = ce;
-       } else {
-               ceprev->ce_sibs = ce;
-       }
-       ceprev = ce;
+       e = config_build_entry( op, &rs, ceparent, &c, &rdn, &CFOC_SCHEMA, NULL );
+       ce = e->e_private;
 
-       /* Create includeFile nodes and schema nodes for included schema... */
+       /* Create schema nodes for included schema... */
        if ( cfb->cb_config->c_kids ) {
                c.depth = 0;
                c.private = cfb->cb_config->c_kids;
                config_build_schema_inc( &c, ce, op, &rs );
-               c.private = cfb->cb_config->c_kids;
-               ceprev = config_build_includes( &c, ceparent, op, &rs );
-       }
-
-#ifdef SLAPD_MODULES
-       /* Create Module nodes... */
-       if ( modpaths.mp_loads ) {
-               ceprev = config_build_modules( &c, ceparent, op, &rs );
        }
-#endif
 
        /* Create backend nodes. Skip if they don't provide a cf_table.
         * There usually aren't any of these.
@@ -4141,111 +4046,145 @@ config_back_db_open( BackendDB *be )
        
        c.line = 0;
        LDAP_STAILQ_FOREACH( bi, &backendInfo, bi_next) {
-               if (!bi->bi_cf_table) continue;
+               if (!bi->bi_cf_ocs) continue;
                if (!bi->bi_private) continue;
 
                rdn.bv_val = c.log;
                rdn.bv_len = sprintf(rdn.bv_val, "%s=%s", cfAd_backend->ad_cname.bv_val, bi->bi_type);
-               e = config_alloc_entry( ceparent, &rdn );
-               ce = e->e_private;
-               ce->ce_type = Cft_Backend;
-               ce->ce_bi = bi;
                c.bi = bi;
-               config_build_entry( &c, e, cfOc_backend, &rdn, ct, BI_TABLE );
-               op->ora_e = e;
-               op->o_bd->be_add( op, &rs );
-               if ( !ceparent->ce_kids ) {
-                       ceparent->ce_kids = ce;
-               } else {
-                       ceprev->ce_sibs = ce;
-               }
-               ceprev = ce;
+               e = config_build_entry( op, &rs, ceparent, &c, &rdn, &CFOC_BACKEND,
+                       bi->bi_cf_ocs );
        }
 
        /* Create database nodes... */
-       i = -1;
-       LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
+       frontendDB->be_cf_ocs = &CFOC_FRONTEND;
+       LDAP_STAILQ_NEXT(frontendDB, be_next) = LDAP_STAILQ_FIRST(&backendDB);
+       for ( i = -1, be = frontendDB ; be;
+               i++, be = LDAP_STAILQ_NEXT( be, be_next )) {
                slap_overinfo *oi = NULL;
-               i++;
-               if ( i == 0 ) {
-                       bptr = frontendDB;
-               } else {
-                       bptr = be;
-               }
-               if ( overlay_is_over( bptr )) {
-                       oi = bptr->bd_info->bi_private;
+
+               if ( overlay_is_over( be )) {
+                       oi = be->bd_info->bi_private;
                        bi = oi->oi_orig;
                } else {
-                       bi = bptr->bd_info;
+                       bi = be->bd_info;
                }
                rdn.bv_val = c.log;
                rdn.bv_len = sprintf(rdn.bv_val, "%s=" IFMT "%s", cfAd_database->ad_cname.bv_val,
                        i, bi->bi_type);
-               e = config_alloc_entry( ceparent, &rdn );
-               ce = e->e_private;
-               c.be = bptr;
+               c.be = be;
                c.bi = bi;
-               ce->ce_type = Cft_Database;
-               ce->ce_be = c.be;
-               ce->ce_bi = c.bi;
-               config_build_entry( &c, e, cfOc_database, &rdn, ct, BE_TABLE );
-               op->ora_e = e;
-               op->o_bd->be_add( op, &rs );
-               if ( !ceparent->ce_kids ) {
-                       ceparent->ce_kids = ce;
-               } else {
-                       ceprev->ce_sibs = ce;
-               }
-               ceprev = ce;
+               e = config_build_entry( op, &rs, ceparent, &c, &rdn, &CFOC_DATABASE,
+                       be->be_cf_ocs );
+               ce = e->e_private;
+               if ( be->be_cf_ocs && be->be_cf_ocs->co_cfadd )
+                       be->be_cf_ocs->co_cfadd( op, &rs, e, &c );
                /* Iterate through overlays */
                if ( oi ) {
                        slap_overinst *on;
                        Entry *oe;
-                       CfEntryInfo *opar = ce, *oprev = NULL;
                        int j;
 
                        for (j=0,on=oi->oi_list; on; j++,on=on->on_next) {
                                rdn.bv_val = c.log;
                                rdn.bv_len = sprintf(rdn.bv_val, "%s=" IFMT "%s",
                                        cfAd_overlay->ad_cname.bv_val, j, on->on_bi.bi_type );
-                               oe = config_alloc_entry( opar, &rdn );
-                               ce = oe->e_private;
-                               c.be = bptr;
+                               c.be = be;
                                c.bi = &on->on_bi;
-                               ce->ce_type = Cft_Overlay;
-                               ce->ce_be = c.be;
-                               ce->ce_bi = c.bi;
-                               config_build_entry( &c, oe, cfOc_overlay, &rdn, ct, BI_TABLE );
-                               op->ora_e = oe;
-                               op->o_bd->be_add( op, &rs );
-                               if ( !opar->ce_kids ) {
-                                       opar->ce_kids = ce;
-                               } else {
-                                       oprev->ce_sibs = ce;
-                               }
-                               oprev = ce;
+                               oe = config_build_entry( op, &rs, ce, &c, &rdn,
+                                       &CFOC_OVERLAY, c.bi->bi_cf_ocs );
+                               if ( c.bi->bi_cf_ocs && c.bi->bi_cf_ocs->co_cfadd )
+                                       c.bi->bi_cf_ocs->co_cfadd( op, &rs, oe, &c );
                        }
                }
        }
+       if ( op )
+               slap_sl_mem_destroy( NULL, op->o_tmpmemctx );
+
+       return 0;
+}
+
+static void
+cfb_free_cffile( ConfigFile *cf )
+{
+       ConfigFile *next;
+
+       for (; cf; cf=next) {
+               next = cf->c_sibs;
+               if ( cf->c_kids )
+                       cfb_free_cffile( cf->c_kids );
+               ch_free( cf->c_file.bv_val );
+               ber_bvarray_free( cf->c_dseFiles );
+               ch_free( cf );
+       }
+}
+
+static void
+cfb_free_entries( CfEntryInfo *ce )
+{
+       CfEntryInfo *next;
+
+       for (; ce; ce=next) {
+               next = ce->ce_sibs;
+               if ( ce->ce_kids )
+                       cfb_free_entries( ce->ce_kids );
+               ce->ce_entry->e_private = NULL;
+               entry_free( ce->ce_entry );
+               ch_free( ce );
+       }
+}
+
+static int
+config_back_db_close( BackendDB *be )
+{
+       CfBackInfo *cfb = be->be_private;
+
+       cfb_free_entries( cfb->cb_root );
+       cfb->cb_root = NULL;
+
+       if ( cfb->cb_db.bd_info ) {
+               backend_shutdown( &cfb->cb_db );
+       }
 
        return 0;
 }
 
 static int
-config_back_db_destroy( Backend *be )
+config_back_db_destroy( BackendDB *be )
 {
+       CfBackInfo *cfb = be->be_private;
+
+       cfb_free_cffile( cfb->cb_config );
+
+       ch_free( cfdir.bv_val );
+
+       avl_free( CfOcTree, NULL );
+
+       if ( cfb->cb_db.bd_info ) {
+               cfb->cb_db.be_suffix = NULL;
+               cfb->cb_db.be_nsuffix = NULL;
+               BER_BVZERO( &cfb->cb_db.be_rootdn );
+               BER_BVZERO( &cfb->cb_db.be_rootndn );
+
+               backend_destroy_one( &cfb->cb_db, 0 );
+       }
+
        free( be->be_private );
+
+       loglevel_destroy();
+
        return 0;
 }
 
 static int
-config_back_db_init( Backend *be )
+config_back_db_init( BackendDB *be )
 {
        struct berval dn;
        CfBackInfo *cfb;
 
        cfb = ch_calloc( 1, sizeof(CfBackInfo));
-       cfb->cb_config = &cf_prv;
+       cfb->cb_config = ch_calloc( 1, sizeof(ConfigFile));
+       cfn = cfb->cb_config;
        be->be_private = cfb;
 
        ber_dupbv( &be->be_rootdn, &config_rdn );
@@ -4268,6 +4207,81 @@ config_back_destroy( BackendInfo *bi )
        return 0;
 }
 
+static int
+config_tool_entry_open( BackendDB *be, int mode )
+{
+       CfBackInfo *cfb = be->be_private;
+       BackendInfo *bi = cfb->cb_db.bd_info;
+
+       if ( bi && bi->bi_tool_entry_open )
+               return bi->bi_tool_entry_open( &cfb->cb_db, mode );
+       else
+               return -1;
+       
+}
+
+static int
+config_tool_entry_close( BackendDB *be )
+{
+       CfBackInfo *cfb = be->be_private;
+       BackendInfo *bi = cfb->cb_db.bd_info;
+
+       if ( bi && bi->bi_tool_entry_close )
+               return bi->bi_tool_entry_close( &cfb->cb_db );
+       else
+               return -1;
+}
+
+static ID
+config_tool_entry_first( BackendDB *be )
+{
+       CfBackInfo *cfb = be->be_private;
+       BackendInfo *bi = cfb->cb_db.bd_info;
+
+       if ( bi && bi->bi_tool_entry_first )
+               return bi->bi_tool_entry_first( &cfb->cb_db );
+       else
+               return NOID;
+}
+
+static ID
+config_tool_entry_next( BackendDB *be )
+{
+       CfBackInfo *cfb = be->be_private;
+       BackendInfo *bi = cfb->cb_db.bd_info;
+
+       if ( bi && bi->bi_tool_entry_next )
+               return bi->bi_tool_entry_next( &cfb->cb_db );
+       else
+               return NOID;
+}
+
+static Entry *
+config_tool_entry_get( BackendDB *be, ID id )
+{
+       CfBackInfo *cfb = be->be_private;
+       BackendInfo *bi = cfb->cb_db.bd_info;
+
+       if ( bi && bi->bi_tool_entry_get )
+               return bi->bi_tool_entry_get( &cfb->cb_db, id );
+       else
+               return NULL;
+}
+
+static ID
+config_tool_entry_put( BackendDB *be, Entry *e, struct berval *text )
+{
+       CfBackInfo *cfb = be->be_private;
+       BackendInfo *bi = cfb->cb_db.bd_info;
+       ConfigArgs ca;
+
+       if ( bi && bi->bi_tool_entry_put &&
+               config_add_internal( cfb, e, &ca, NULL, NULL ) == 0 )
+               return bi->bi_tool_entry_put( &cfb->cb_db, e, text );
+       else
+               return NOID;
+}
+
 static struct {
        char *name;
        AttributeDescription **desc;
@@ -4325,7 +4339,7 @@ config_back_initialize( BackendInfo *bi )
        bi->bi_db_init = config_back_db_init;
        bi->bi_db_config = 0;
        bi->bi_db_open = config_back_db_open;
-       bi->bi_db_close = 0;
+       bi->bi_db_close = config_back_db_close;
        bi->bi_db_destroy = config_back_db_destroy;
 
        bi->bi_op_bind = config_back_bind;
@@ -4349,6 +4363,16 @@ config_back_initialize( BackendInfo *bi )
        bi->bi_connection_init = 0;
        bi->bi_connection_destroy = 0;
 
+       bi->bi_tool_entry_open = config_tool_entry_open;
+       bi->bi_tool_entry_close = config_tool_entry_close;
+       bi->bi_tool_entry_first = config_tool_entry_first;
+       bi->bi_tool_entry_next = config_tool_entry_next;
+       bi->bi_tool_entry_get = config_tool_entry_get;
+       bi->bi_tool_entry_put = config_tool_entry_put;
+
+       /* Make sure we don't exceed the bits reserved for userland */
+       assert( ( ( CFG_LAST - 1 ) & ARGS_USERLAND ) == ( CFG_LAST - 1 ) );
+
        argv[3] = NULL;
        for (i=0; OidMacros[i].name; i++ ) {
                argv[1] = OidMacros[i].name;
@@ -4356,7 +4380,7 @@ config_back_initialize( BackendInfo *bi )
                parse_oidm( "slapd", i, 3, argv, 0, NULL );
        }
 
-       bi->bi_cf_table = ct;
+       bi->bi_cf_ocs = cf_ocs;
 
        i = config_register_schema( ct, cf_ocs );
        if ( i ) return i;