text: /* bconfig.c - the config backend */
  /* $OpenLDAP$ */
  /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   *
   * Copyright 2005-2021 The OpenLDAP Foundation.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted only as authorized by the OpenLDAP
   * Public License.
   *
   * A copy of this license is available in the file LICENSE in the
   * top-level directory of the distribution or, alternatively, at
   * <http://www.OpenLDAP.org/license.html>.
   */
  /* ACKNOWLEDGEMENTS:
   * This work was originally developed by Howard Chu for inclusion
   * in OpenLDAP Software.
   */
  
  #include "portable.h"
  
  #include <stdio.h>
  #include <ac/string.h>
  #include <ac/ctype.h>
  #include <ac/errno.h>
  #include <sys/stat.h>
  #include <ac/unistd.h>
  
  #include "slap.h"
  
  #ifdef LDAP_SLAPI
  #include "slapi/slapi.h"
  #endif
  
  #include <ldif.h>
  #include <lutil.h>
  
  #include "slap-config.h"
  
  #define	CONFIG_RDN	"cn=config"
  #define	SCHEMA_RDN	"cn=schema"
  
  static struct berval config_rdn = BER_BVC(CONFIG_RDN);
  static struct berval schema_rdn = BER_BVC(SCHEMA_RDN);
  
  extern int slap_DN_strict;	/* dn.c */
  
  #ifdef SLAPD_MODULES
  typedef struct modpath_s {
  	struct modpath_s *mp_next;
  	struct berval mp_path;
  	BerVarray mp_loads;
  } ModPaths;
  
  static ModPaths modpaths, *modlast = &modpaths, *modcur = &modpaths;
  #endif
  
  typedef struct ConfigFile {
  	struct ConfigFile *c_sibs;
  	struct ConfigFile *c_kids;
  	struct berval c_file;
  	AttributeType *c_at_head, *c_at_tail;
  	ContentRule *c_cr_head, *c_cr_tail;
  	ObjectClass *c_oc_head, *c_oc_tail;
  	OidMacro *c_om_head, *c_om_tail;
  	Syntax *c_syn_head, *c_syn_tail;
  	BerVarray c_dseFiles;
  } ConfigFile;
  
  typedef struct {
  	ConfigFile *cb_config;
  	CfEntryInfo *cb_root;
  	BackendDB	cb_db;	/* underlying database */
  	int		cb_got_ldif;
  	int		cb_use_ldif;
  } CfBackInfo;
  
  static CfBackInfo cfBackInfo;
  
  static char	*passwd_salt;
  static FILE *logfile;
  static char	*logfileName;
  static AccessControl *defacl_parsed = NULL;
  
  static struct berval cfdir;
  
  /* Private state */
  static AttributeDescription *cfAd_backend, *cfAd_database, *cfAd_overlay,
  	*cfAd_include, *cfAd_attr, *cfAd_oc, *cfAd_om, *cfAd_syntax;
  
  static ConfigFile *cfn;
  
  static Avlnode *CfOcTree;
  
  /* System schema state */
  extern AttributeType *at_sys_tail;	/* at.c */
  extern ObjectClass *oc_sys_tail;	/* oc.c */
  extern OidMacro *om_sys_tail;	/* oidm.c */
  extern Syntax *syn_sys_tail;	/* syntax.c */
  static AttributeType *cf_at_tail;
  static ObjectClass *cf_oc_tail;
  static OidMacro *cf_om_tail;
  static Syntax *cf_syn_tail;
  
  static int config_add_internal( CfBackInfo *cfb, Entry *e, ConfigArgs *ca,
  	SlapReply *rs, int *renumber, Operation *op );
  
  static int config_check_schema( Operation *op, CfBackInfo *cfb );
  
  static ConfigDriver config_fname;
  static ConfigDriver config_cfdir;
  static ConfigDriver config_generic;
  static ConfigDriver config_search_base;
  static ConfigDriver config_passwd_hash;
  static ConfigDriver config_schema_dn;
  static ConfigDriver config_sizelimit;
  static ConfigDriver config_timelimit;
  static ConfigDriver config_overlay;
  static ConfigDriver config_subordinate; 
  static ConfigDriver config_suffix; 
  #ifdef LDAP_TCP_BUFFER
  static ConfigDriver config_tcp_buffer; 
  #endif /* LDAP_TCP_BUFFER */
  static ConfigDriver config_rootdn;
  static ConfigDriver config_rootpw;
  static ConfigDriver config_restrict;
  static ConfigDriver config_allows;
  static ConfigDriver config_disallows;
  static ConfigDriver config_requires;
  static ConfigDriver config_security;
  static ConfigDriver config_referral;
  static ConfigDriver config_loglevel;
  static ConfigDriver config_updatedn;
  static ConfigDriver config_updateref;
  static ConfigDriver config_extra_attrs;
  static ConfigDriver config_include;
  static ConfigDriver config_obsolete;
  #ifdef HAVE_TLS
  static ConfigDriver config_tls_option;
  static ConfigDriver config_tls_config;
  #endif
  extern ConfigDriver syncrepl_config;
  
  enum {
  	CFG_ACL = 1,
  	CFG_BACKEND,
  	CFG_DATABASE,
  	CFG_TLS_RAND,
  	CFG_TLS_CIPHER,
  	CFG_TLS_PROTOCOL_MIN,
  	CFG_TLS_CERT_FILE,
  	CFG_TLS_CERT_KEY,
  	CFG_TLS_CA_PATH,
  	CFG_TLS_CA_FILE,
  	CFG_TLS_DH_FILE,
  	CFG_TLS_VERIFY,
  	CFG_TLS_CRLCHECK,
  	CFG_TLS_CRL_FILE,
  	CFG_CONCUR,
  	CFG_THREADS,
  	CFG_SALT,
  	CFG_LIMITS,
  	CFG_RO,
  	CFG_REWRITE,
  	CFG_DEPTH,
  	CFG_OID,
  	CFG_OC,
  	CFG_DIT,
  	CFG_ATTR,
  	CFG_ATOPT,
  	CFG_ROOTDSE,
  	CFG_LOGFILE,
  	CFG_PLUGIN,
  	CFG_MODLOAD,
  	CFG_MODPATH,
  	CFG_LASTMOD,
  	CFG_LASTBIND,
  	CFG_AZPOLICY,
  	CFG_AZREGEXP,
  	CFG_AZDUC,
  	CFG_AZDUC_IGNORE,
  	CFG_SASLSECP,
  	CFG_SSTR_IF_MAX,
  	CFG_SSTR_IF_MIN,
  	CFG_TTHREADS,
  	CFG_MULTIPROVIDER,
  	CFG_HIDDEN,
  	CFG_MONITORING,
  	CFG_SERVERID,
  	CFG_SORTVALS,
  	CFG_IX_INTLEN,
  	CFG_SYNTAX,
  	CFG_ACL_ADD,
  	CFG_SYNC_SUBENTRY,
  	CFG_LTHREADS,
  	CFG_IX_HASH64,
  	CFG_DISABLED,
  	CFG_THREADQS,
  	CFG_TLS_ECNAME,
  	CFG_TLS_CACERT,
  	CFG_TLS_CERT,
  	CFG_TLS_KEY,
  
  	CFG_LAST
  };
  
  typedef struct {
  	char *name, *oid;
  } OidRec;
  
  static OidRec OidMacros[] = {
  	/* OpenLDAProot:1.12.2 */
  	{ "OLcfg", "1.3.6.1.4.1.4203.1.12.2" },
  	{ "OLcfgAt", "OLcfg:3" },
  	{ "OLcfgGlAt", "OLcfgAt:0" },
  	{ "OLcfgBkAt", "OLcfgAt:1" },
  	{ "OLcfgDbAt", "OLcfgAt:2" },
  	{ "OLcfgOvAt", "OLcfgAt:3" },
  	{ "OLcfgCtAt", "OLcfgAt:4" },	/* contrib modules */
  	{ "OLcfgOc", "OLcfg:4" },
  	{ "OLcfgGlOc", "OLcfgOc:0" },
  	{ "OLcfgBkOc", "OLcfgOc:1" },
  	{ "OLcfgDbOc", "OLcfgOc:2" },
  	{ "OLcfgOvOc", "OLcfgOc:3" },
  	{ "OLcfgCtOc", "OLcfgOc:4" },	/* contrib modules */
  
  	/* Syntaxes. We should just start using the standard names and
  	 * document that they are predefined and available for users
  	 * to reference in their own schema. Defining schema without
  	 * OID macros is for masochists...
  	 */
  	{ "OMsyn", "1.3.6.1.4.1.1466.115.121.1" },
  	{ "OMsBoolean", "OMsyn:7" },
  	{ "OMsDN", "OMsyn:12" },
  	{ "OMsDirectoryString", "OMsyn:15" },
  	{ "OMsIA5String", "OMsyn:26" },
  	{ "OMsInteger", "OMsyn:27" },
  	{ "OMsOID", "OMsyn:38" },
  	{ "OMsOctetString", "OMsyn:40" },
  	{ NULL, NULL }
  };
  
  /*
   * Backend/Database registry
   *
   * OLcfg{Bk|Db}{Oc|At}:0		-> common
   * OLcfg{Bk|Db}{Oc|At}:1		-> back-bdb(/back-hdb) (removed)
   * OLcfg{Bk|Db}{Oc|At}:2		-> back-ldif
   * OLcfg{Bk|Db}{Oc|At}:3		-> back-ldap/meta
   * OLcfg{Bk|Db}{Oc|At}:4		-> back-monitor
   * OLcfg{Bk|Db}{Oc|At}:5		-> back-relay
   * OLcfg{Bk|Db}{Oc|At}:6		-> back-sql(/back-ndb)
   * OLcfg{Bk|Db}{Oc|At}:7		-> back-sock
   * OLcfg{Bk|Db}{Oc|At}:8		-> back-null
   * OLcfg{Bk|Db}{Oc|At}:9		-> back-passwd
   * OLcfg{Bk|Db}{Oc|At}:10		-> back-shell
   * OLcfg{Bk|Db}{Oc|At}:11		-> back-perl
   * OLcfg{Bk|Db}{Oc|At}:12		-> back-mdb
   * OLcfg{Bk|Db}{Oc|At}:13		-> lloadd
   */
  
  /*
   * Overlay registry
   *
   * OLcfgOv{Oc|At}:1			-> syncprov
   * OLcfgOv{Oc|At}:2			-> pcache
   * OLcfgOv{Oc|At}:3			-> chain
   * OLcfgOv{Oc|At}:4			-> accesslog
   * OLcfgOv{Oc|At}:5			-> valsort
   * OLcfgOv{Oc|At}:7			-> distproc
   * OLcfgOv{Oc|At}:8			-> dynlist
   * OLcfgOv{Oc|At}:9			-> dds
   * OLcfgOv{Oc|At}:10			-> unique
   * OLcfgOv{Oc|At}:11			-> refint
   * OLcfgOv{Oc|At}:12 			-> ppolicy
   * OLcfgOv{Oc|At}:13			-> constraint
   * OLcfgOv{Oc|At}:14			-> translucent
   * OLcfgOv{Oc|At}:15			-> auditlog
   * OLcfgOv{Oc|At}:16			-> rwm
   * OLcfgOv{Oc|At}:17			-> dyngroup
   * OLcfgOv{Oc|At}:18			-> memberof
   * OLcfgOv{Oc|At}:19			-> collect
   * OLcfgOv{Oc|At}:20			-> retcode
   * OLcfgOv{Oc|At}:21			-> sssvlv
   */
  
  /* alphabetical ordering */
  
  static ConfigTable config_back_cf_table[] = {
  	/* This attr is read-only */
  	{ "", "", 0, 0, 0, ARG_MAGIC,
  		&config_fname, "( OLcfgGlAt:78 NAME 'olcConfigFile' "
  			"DESC 'File for slapd configuration directives' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "", "", 0, 0, 0, ARG_MAGIC,
  		&config_cfdir, "( OLcfgGlAt:79 NAME 'olcConfigDir' "
  			"DESC 'Directory for slapd configuration backend' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "access",	NULL, 0, 0, 0, ARG_MAY_DB|ARG_MAGIC|CFG_ACL,
  		&config_generic, "( OLcfgGlAt:1 NAME 'olcAccess' "
  			"DESC 'Access Control List' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
  	{ "add_content_acl",	NULL, 0, 0, 0, ARG_MAY_DB|ARG_ON_OFF|ARG_MAGIC|CFG_ACL_ADD,
  		&config_generic, "( OLcfgGlAt:86 NAME 'olcAddContentAcl' "
  			"DESC 'Check ACLs against content of Add ops' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "allows",	"features", 2, 0, 5, ARG_PRE_DB|ARG_MAGIC,
  		&config_allows, "( OLcfgGlAt:2 NAME 'olcAllows' "
  			"DESC 'Allowed set of deprecated features' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "argsfile", "file", 2, 2, 0, ARG_STRING,
  		&slapd_args_file, "( OLcfgGlAt:3 NAME 'olcArgsFile' "
  			"DESC 'File for slapd command line options' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "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, STRLENOF( "attribute" ),
  		ARG_PAREN|ARG_MAGIC|CFG_ATTR,
  		&config_generic, "( OLcfgGlAt:4 NAME 'olcAttributeTypes' "
  			"DESC 'OpenLDAP attributeTypes' "
  			"EQUALITY caseIgnoreMatch "
  			"SUBSTR caseIgnoreSubstringsMatch "
  			"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )",
  				NULL, NULL },
  	{ "authid-rewrite", "rewrite", 2, 0, STRLENOF( "authid-rewrite" ),
  		ARG_MAGIC|CFG_REWRITE, &config_generic,
  		 "( OLcfgGlAt:6 NAME 'olcAuthIDRewrite' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
  	{ "authz-policy", "policy", 2, 2, 0, ARG_STRING|ARG_MAGIC|CFG_AZPOLICY,
  		&config_generic, "( OLcfgGlAt:7 NAME 'olcAuthzPolicy' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "authz-regexp", "regexp> <DN", 3, 3, 0, ARG_MAGIC|CFG_AZREGEXP,
  		&config_generic, "( OLcfgGlAt:8 NAME 'olcAuthzRegexp' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
  	{ "backend", "type", 2, 2, 0, ARG_PRE_DB|ARG_MAGIC|CFG_BACKEND,
  		&config_generic, "( OLcfgGlAt:9 NAME 'olcBackend' "
  			"DESC 'A type of backend' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE X-ORDERED 'SIBLINGS' )",
  				NULL, NULL },
  	{ "concurrency", "level", 2, 2, 0, ARG_INT|ARG_MAGIC|CFG_CONCUR,
  		&config_generic, "( OLcfgGlAt:10 NAME 'olcConcurrency' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "conn_max_pending", "max", 2, 2, 0, ARG_INT,
  		&slap_conn_max_pending, "( OLcfgGlAt:11 NAME 'olcConnMaxPending' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "conn_max_pending_auth", "max", 2, 2, 0, ARG_INT,
  		&slap_conn_max_pending_auth, "( OLcfgGlAt:12 NAME 'olcConnMaxPendingAuth' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "database", "type", 2, 2, 0, ARG_MAGIC|CFG_DATABASE,
  		&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_QUOTE|ARG_MAGIC,
  		&config_search_base, "( OLcfgGlAt:14 NAME 'olcDefaultSearchBase' "
  			"EQUALITY distinguishedNameMatch "
  			"SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
  	{ "disabled", "on|off", 2, 2, 0, ARG_DB|ARG_ON_OFF|ARG_MAGIC|CFG_DISABLED,
  		&config_generic, "( OLcfgDbAt:0.21 NAME 'olcDisabled' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean 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|ARG_NO_DELETE|ARG_NO_INSERT,
  		&config_generic, "( OLcfgGlAt:16 NAME 'olcDitContentRules' "
  			"DESC 'OpenLDAP DIT content rules' "
  			"EQUALITY caseIgnoreMatch "
  			"SUBSTR caseIgnoreSubstringsMatch "
  			"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )",
  			NULL, NULL },
  	{ "extra_attrs", "attrlist", 2, 2, 0, ARG_DB|ARG_MAGIC,
  		&config_extra_attrs, "( OLcfgDbAt:0.20 NAME 'olcExtraAttrs' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "gentlehup", "on|off", 2, 2, 0,
  #ifdef SIGHUP
  		ARG_ON_OFF, &global_gentlehup,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:17 NAME 'olcGentleHUP' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "hidden", "on|off", 2, 2, 0, ARG_DB|ARG_ON_OFF|ARG_MAGIC|CFG_HIDDEN,
  		&config_generic, "( OLcfgDbAt:0.17 NAME 'olcHidden' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "idletimeout", "timeout", 2, 2, 0, ARG_INT,
  		&global_idletimeout, "( OLcfgGlAt:18 NAME 'olcIdleTimeout' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "include", "file", 2, 2, 0, ARG_MAGIC,
  		&config_include, "( OLcfgGlAt:19 NAME 'olcInclude' "
  			"SUP labeledURI )", NULL, NULL },
  	{ "index_hash64", "on|off", 2, 2, 0, ARG_ON_OFF|ARG_MAGIC|CFG_IX_HASH64,
  		&config_generic, "( OLcfgGlAt:94 NAME 'olcIndexHash64' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "index_substr_if_minlen", "min", 2, 2, 0, ARG_UINT|ARG_NONZERO|ARG_MAGIC|CFG_SSTR_IF_MIN,
  		&config_generic, "( OLcfgGlAt:20 NAME 'olcIndexSubstrIfMinLen' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "index_substr_if_maxlen", "max", 2, 2, 0, ARG_UINT|ARG_NONZERO|ARG_MAGIC|CFG_SSTR_IF_MAX,
  		&config_generic, "( OLcfgGlAt:21 NAME 'olcIndexSubstrIfMaxLen' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "index_substr_any_len", "len", 2, 2, 0, ARG_UINT|ARG_NONZERO,
  		&index_substr_any_len, "( OLcfgGlAt:22 NAME 'olcIndexSubstrAnyLen' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL,
  			{ .v_uint = SLAP_INDEX_SUBSTR_ANY_LEN_DEFAULT } },
  	{ "index_substr_any_step", "step", 2, 2, 0, ARG_UINT|ARG_NONZERO,
  		&index_substr_any_step, "( OLcfgGlAt:23 NAME 'olcIndexSubstrAnyStep' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL,
  			{ .v_uint = SLAP_INDEX_SUBSTR_ANY_STEP_DEFAULT } },
  	{ "index_intlen", "len", 2, 2, 0, ARG_UINT|ARG_MAGIC|CFG_IX_INTLEN,
  		&config_generic, "( OLcfgGlAt:84 NAME 'olcIndexIntLen' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "lastmod", "on|off", 2, 2, 0, ARG_DB|ARG_ON_OFF|ARG_MAGIC|CFG_LASTMOD,
  		&config_generic, "( OLcfgDbAt:0.4 NAME 'olcLastMod' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "lastbind", "on|off", 2, 2, 0, ARG_DB|ARG_ON_OFF|ARG_MAGIC|CFG_LASTBIND,
  		&config_generic, "( OLcfgDbAt:0.22 NAME 'olcLastBind' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "ldapsyntax",	"syntax", 2, 0, 0,
  		ARG_PAREN|ARG_MAGIC|CFG_SYNTAX,
  		&config_generic, "( OLcfgGlAt:85 NAME 'olcLdapSyntaxes' "
  			"DESC 'OpenLDAP ldapSyntax' "
  			"EQUALITY caseIgnoreMatch "
  			"SUBSTR caseIgnoreSubstringsMatch "
  			"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )",
  				NULL, NULL },
  	{ "limits", "limits", 2, 0, 0, ARG_DB|ARG_MAGIC|CFG_LIMITS,
  		&config_generic, "( OLcfgDbAt:0.5 NAME 'olcLimits' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
  	{ "listener-threads", "count", 2, 0, 0,
  		ARG_UINT|ARG_MAGIC|CFG_LTHREADS, &config_generic,
  		"( OLcfgGlAt:93 NAME 'olcListenerThreads' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "localSSF", "ssf", 2, 2, 0, ARG_INT,
  		&local_ssf, "( OLcfgGlAt:26 NAME 'olcLocalSSF' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL,
  			{ .v_int = LDAP_PVT_SASL_LOCAL_SSF } },
  	{ "logfile", "file", 2, 2, 0, ARG_STRING|ARG_MAGIC|CFG_LOGFILE,
  		&config_generic, "( OLcfgGlAt:27 NAME 'olcLogFile' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "loglevel", "level", 2, 0, 0, ARG_MAGIC,
  		&config_loglevel, "( OLcfgGlAt:28 NAME 'olcLogLevel' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "maxDerefDepth", "depth", 2, 2, 0, ARG_DB|ARG_INT|ARG_MAGIC|CFG_DEPTH,
  		&config_generic, "( OLcfgDbAt:0.6 NAME 'olcMaxDerefDepth' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "multiprovider", "on|off", 2, 2, 0, ARG_DB|ARG_ON_OFF|ARG_MAGIC|CFG_MULTIPROVIDER,
  		&config_generic, "( OLcfgDbAt:0.16 NAME ( 'olcMultiProvider' 'olcMirrorMode' ) "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "moduleload",	"file", 2, 0, 0,
  #ifdef SLAPD_MODULES
  		ARG_MAGIC|CFG_MODLOAD|ARG_NO_DELETE, &config_generic,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:30 NAME 'olcModuleLoad' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
  	{ "modulepath", "path", 2, 2, 0,
  #ifdef SLAPD_MODULES
  		ARG_MAGIC|CFG_MODPATH|ARG_NO_DELETE|ARG_NO_INSERT, &config_generic,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:31 NAME 'olcModulePath' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "monitoring", "TRUE|FALSE", 2, 2, 0,
  		ARG_MAGIC|CFG_MONITORING|ARG_DB|ARG_ON_OFF, &config_generic,
  		"( OLcfgDbAt:0.18 NAME 'olcMonitoring' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "objectclass", "objectclass", 2, 0, 0, ARG_PAREN|ARG_MAGIC|CFG_OC,
  		&config_generic, "( OLcfgGlAt:32 NAME 'olcObjectClasses' "
  		"DESC 'OpenLDAP object classes' "
  		"EQUALITY caseIgnoreMatch "
  		"SUBSTR caseIgnoreSubstringsMatch "
  		"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )",
  			NULL, NULL },
  	{ "objectidentifier", "name> <oid",	3, 3, 0, ARG_MAGIC|CFG_OID,
  		&config_generic, "( OLcfgGlAt:33 NAME 'olcObjectIdentifier' "
  			"EQUALITY caseIgnoreMatch "
  			"SUBSTR caseIgnoreSubstringsMatch "
  			"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
  	{ "overlay", "overlay", 2, 2, 0, ARG_MAGIC,
  		&config_overlay, "( OLcfgGlAt:34 NAME 'olcOverlay' "
  			"SUP olcDatabase SINGLE-VALUE X-ORDERED 'SIBLINGS' )", NULL, NULL },
  	{ "password-crypt-salt-format", "salt", 2, 2, 0, ARG_STRING|ARG_MAGIC|CFG_SALT,
  		&config_generic, "( OLcfgGlAt:35 NAME 'olcPasswordCryptSaltFormat' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "password-hash", "hash", 2, 0, 0, ARG_MAGIC,
  		&config_passwd_hash, "( OLcfgGlAt:36 NAME 'olcPasswordHash' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "pidfile", "file", 2, 2, 0, ARG_STRING,
  		&slapd_pid_file, "( OLcfgGlAt:37 NAME 'olcPidFile' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "plugin", NULL, 0, 0, 0,
  #ifdef LDAP_SLAPI
  		ARG_MAGIC|CFG_PLUGIN, &config_generic,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:38 NAME 'olcPlugin' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
  	{ "pluginlog", "filename", 2, 2, 0,
  #ifdef LDAP_SLAPI
  		ARG_STRING, &slapi_log_file,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:39 NAME 'olcPluginLogFile' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "readonly", "on|off", 2, 2, 0, ARG_MAY_DB|ARG_ON_OFF|ARG_MAGIC|CFG_RO,
  		&config_generic, "( OLcfgGlAt:40 NAME 'olcReadOnly' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "referral", "url", 2, 2, 0, ARG_MAGIC,
  		&config_referral, "( OLcfgGlAt:41 NAME 'olcReferral' "
  			"SUP labeledURI SINGLE-VALUE )", NULL, NULL },
  	{ "replica", "host or uri", 2, 0, 0, ARG_DB|ARG_MAGIC,
  		&config_obsolete, "( OLcfgDbAt:0.7 NAME 'olcReplica' "
  			"EQUALITY caseIgnoreMatch "
  			"SUP labeledURI X-ORDERED 'VALUES' )", NULL, NULL },
  	{ "replica-argsfile", NULL, 0, 0, 0, ARG_MAY_DB|ARG_MAGIC,
  		&config_obsolete, "( OLcfgGlAt:43 NAME 'olcReplicaArgsFile' "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "replica-pidfile", NULL, 0, 0, 0, ARG_MAY_DB|ARG_MAGIC,
  		&config_obsolete, "( OLcfgGlAt:44 NAME 'olcReplicaPidFile' "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "replicationInterval", NULL, 0, 0, 0, ARG_MAY_DB|ARG_MAGIC,
  		&config_obsolete, "( OLcfgGlAt:45 NAME 'olcReplicationInterval' "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "replogfile", "filename", 2, 2, 0, ARG_MAY_DB|ARG_MAGIC,
  		&config_obsolete, "( OLcfgGlAt:46 NAME 'olcReplogFile' "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "require", "features", 2, 0, 7, ARG_MAY_DB|ARG_MAGIC,
  		&config_requires, "( OLcfgGlAt:47 NAME 'olcRequires' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "restrict", "op_list", 2, 0, 0, ARG_MAY_DB|ARG_MAGIC,
  		&config_restrict, "( OLcfgGlAt:48 NAME 'olcRestrict' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "reverse-lookup", "on|off", 2, 2, 0,
  #ifdef SLAPD_RLOOKUPS
  		ARG_ON_OFF, &use_reverse_lookup,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:49 NAME 'olcReverseLookup' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "rootdn", "dn", 2, 2, 0, ARG_DB|ARG_DN|ARG_QUOTE|ARG_MAGIC,
  		&config_rootdn, "( OLcfgDbAt:0.8 NAME 'olcRootDN' "
  			"EQUALITY distinguishedNameMatch "
  			"SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
  	{ "rootDSE", "file", 2, 2, 0, ARG_MAGIC|CFG_ROOTDSE,
  		&config_generic, "( OLcfgGlAt:51 NAME 'olcRootDSE' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "rootpw", "password", 2, 2, 0, ARG_BERVAL|ARG_DB|ARG_MAGIC,
  		&config_rootpw, "( OLcfgDbAt:0.9 NAME 'olcRootPW' "
  			"EQUALITY octetStringMatch "
  			"SYNTAX OMsOctetString SINGLE-VALUE )", NULL, NULL },
  	{ "sasl-authz-policy", NULL, 2, 2, 0, ARG_MAGIC|CFG_AZPOLICY,
  		&config_generic, NULL, NULL, NULL },
  	{ "sasl-auxprops", NULL, 2, 0, 0,
  #ifdef HAVE_CYRUS_SASL
  		ARG_STRING|ARG_UNIQUE, &slap_sasl_auxprops,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:89 NAME 'olcSaslAuxprops' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "sasl-auxprops-dontusecopy", NULL, 2, 0, 0,
  #if defined(HAVE_CYRUS_SASL) && defined(SLAP_AUXPROP_DONTUSECOPY)
  		ARG_MAGIC|CFG_AZDUC, &config_generic,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:91 NAME 'olcSaslAuxpropsDontUseCopy' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "sasl-auxprops-dontusecopy-ignore", "true|FALSE", 2, 0, 0,
  #if defined(HAVE_CYRUS_SASL) && defined(SLAP_AUXPROP_DONTUSECOPY)
  		ARG_ON_OFF|CFG_AZDUC_IGNORE, &slap_dontUseCopy_ignore,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:92 NAME 'olcSaslAuxpropsDontUseCopyIgnore' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "sasl-cbinding", NULL, 2, 2, 0,
  #ifdef HAVE_CYRUS_SASL
  		ARG_STRING, &sasl_cbinding,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:100 NAME 'olcSaslCBinding' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "sasl-host", "host", 2, 2, 0,
  #ifdef HAVE_CYRUS_SASL
  		ARG_STRING|ARG_UNIQUE, &sasl_host,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:53 NAME 'olcSaslHost' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "sasl-realm", "realm", 2, 2, 0,
  #ifdef HAVE_CYRUS_SASL
  		ARG_STRING|ARG_UNIQUE, &global_realm,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:54 NAME 'olcSaslRealm' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "sasl-regexp", NULL, 3, 3, 0, ARG_MAGIC|CFG_AZREGEXP,
  		&config_generic, NULL, NULL, NULL },
  	{ "sasl-secprops", "properties", 2, 2, 0,
  #ifdef HAVE_CYRUS_SASL
  		ARG_MAGIC|CFG_SASLSECP, &config_generic,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:56 NAME 'olcSaslSecProps' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "saslRegexp",	NULL, 3, 3, 0, ARG_MAGIC|CFG_AZREGEXP,
  		&config_generic, NULL, NULL, NULL },
  	{ "schemadn", "dn", 2, 2, 0, ARG_MAY_DB|ARG_DN|ARG_QUOTE|ARG_MAGIC,
  		&config_schema_dn, "( OLcfgGlAt:58 NAME 'olcSchemaDN' "
  			"EQUALITY distinguishedNameMatch "
  			"SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
  	{ "security", "factors", 2, 0, 0, ARG_MAY_DB|ARG_MAGIC,
  		&config_security, "( OLcfgGlAt:59 NAME 'olcSecurity' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "serverID", "number> <[URI]", 2, 3, 0, ARG_MAGIC|CFG_SERVERID,
  		&config_generic, "( OLcfgGlAt:81 NAME 'olcServerID' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "sizelimit", "limit",	2, 0, 0, ARG_MAY_DB|ARG_MAGIC,
  		&config_sizelimit, "( OLcfgGlAt:60 NAME 'olcSizeLimit' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "sockbuf_max_incoming", "max", 2, 2, 0, ARG_BER_LEN_T,
  		&sockbuf_max_incoming, "( OLcfgGlAt:61 NAME 'olcSockbufMaxIncoming' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL,
  			{ .v_ber_t = SLAP_SB_MAX_INCOMING_DEFAULT } },
  	{ "sockbuf_max_incoming_auth", "max", 2, 2, 0, ARG_BER_LEN_T,
  		&sockbuf_max_incoming_auth, "( OLcfgGlAt:62 NAME 'olcSockbufMaxIncomingAuth' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL,
  			{ .v_ber_t = SLAP_SB_MAX_INCOMING_AUTH } },
  	{ "sortvals", "attr", 2, 0, 0, ARG_MAGIC|CFG_SORTVALS,
  		&config_generic, "( OLcfgGlAt:83 NAME 'olcSortVals' "
  			"DESC 'Attributes whose values will always be sorted' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "subordinate", "[advertise]", 1, 2, 0, ARG_DB|ARG_MAGIC,
  		&config_subordinate, "( OLcfgDbAt:0.15 NAME 'olcSubordinate' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "suffix",	"suffix", 2, 2, 0, ARG_DB|ARG_DN|ARG_QUOTE|ARG_MAGIC,
  		&config_suffix, "( OLcfgDbAt:0.10 NAME 'olcSuffix' "
  			"EQUALITY distinguishedNameMatch "
  			"SYNTAX OMsDN )", NULL, NULL },
  	{ "sync_use_subentry", NULL, 0, 0, 0, ARG_ON_OFF|ARG_DB|ARG_MAGIC|CFG_SYNC_SUBENTRY,
  		&config_generic, "( OLcfgDbAt:0.19 NAME 'olcSyncUseSubentry' "
  			"DESC 'Store sync context in a subentry' "
  			"EQUALITY booleanMatch "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "syncrepl", NULL, 0, 0, 0, ARG_DB|ARG_MAGIC,
  		&syncrepl_config, "( OLcfgDbAt:0.11 NAME 'olcSyncrepl' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString X-ORDERED 'VALUES' )", NULL, NULL },
  	{ "tcp-buffer", "[listener=<listener>] [{read|write}=]size", 0, 0, 0,
  #ifndef LDAP_TCP_BUFFER
  		ARG_IGNORED, NULL,
  #else /* LDAP_TCP_BUFFER */
  		ARG_MAGIC, &config_tcp_buffer,
  #endif /* LDAP_TCP_BUFFER */
  			"( OLcfgGlAt:90 NAME 'olcTCPBuffer' "
  			"EQUALITY caseExactMatch "
  			"DESC 'Custom TCP buffer size' "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "threads", "count", 2, 2, 0,
  		ARG_INT|ARG_MAGIC|CFG_THREADS, &config_generic,
  		"( OLcfgGlAt:66 NAME 'olcThreads' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "threadqueues", "count", 2, 2, 0,
  		ARG_INT|ARG_MAGIC|CFG_THREADQS, &config_generic,
  		"( OLcfgGlAt:95 NAME 'olcThreadQueues' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "timelimit", "limit", 2, 0, 0, ARG_MAY_DB|ARG_MAGIC,
  		&config_timelimit, "( OLcfgGlAt:67 NAME 'olcTimeLimit' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSCACertificate", NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_CACERT|ARG_BINARY|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:97 NAME 'olcTLSCACertificate' "
  			"DESC 'X.509 certificate, must use ;binary' "
  			"EQUALITY certificateExactMatch "
  			"SYNTAX 1.3.6.1.4.1.1466.115.121.1.8 SINGLE-VALUE )", NULL, NULL },
  	{ "TLSCACertificateFile", NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_CA_FILE|ARG_STRING|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:68 NAME 'olcTLSCACertificateFile' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSCACertificatePath", NULL,	2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_CA_PATH|ARG_STRING|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:69 NAME 'olcTLSCACertificatePath' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSCertificate", NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_CERT|ARG_BINARY|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:98 NAME 'olcTLSCertificate' "
  			"DESC 'X.509 certificate, must use ;binary' "
  			"EQUALITY certificateExactMatch "
  			"SYNTAX 1.3.6.1.4.1.1466.115.121.1.8 SINGLE-VALUE )", NULL, NULL },
  	{ "TLSCertificateFile", NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_CERT_FILE|ARG_STRING|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:70 NAME 'olcTLSCertificateFile' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSCertificateKey", NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_KEY|ARG_BINARY|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:99 NAME 'olcTLSCertificateKey' "
  			"DESC 'X.509 privateKey, must use ;binary' "
  			"EQUALITY privateKeyMatch "
  			"SYNTAX 1.2.840.113549.1.8.1.1 SINGLE-VALUE )", NULL, NULL },
  	{ "TLSCertificateKeyFile", NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_CERT_KEY|ARG_STRING|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:71 NAME 'olcTLSCertificateKeyFile' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSCipherSuite",	NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_CIPHER|ARG_STRING|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:72 NAME 'olcTLSCipherSuite' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSCRLCheck", NULL, 2, 2, 0,
  #if defined(HAVE_TLS) && defined(HAVE_OPENSSL)
  		CFG_TLS_CRLCHECK|ARG_STRING|ARG_MAGIC, &config_tls_config,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:73 NAME 'olcTLSCRLCheck' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSCRLFile", NULL, 2, 2, 0,
  #if defined(HAVE_GNUTLS)
  		CFG_TLS_CRL_FILE|ARG_STRING|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:82 NAME 'olcTLSCRLFile' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSRandFile", NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_RAND|ARG_STRING|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:74 NAME 'olcTLSRandFile' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSVerifyClient", NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_VERIFY|ARG_STRING|ARG_MAGIC, &config_tls_config,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:75 NAME 'olcTLSVerifyClient' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSDHParamFile", NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_DH_FILE|ARG_STRING|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:77 NAME 'olcTLSDHParamFile' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSECName", NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_ECNAME|ARG_STRING|ARG_MAGIC, &config_tls_option,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:96 NAME 'olcTLSECName' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "TLSProtocolMin",	NULL, 2, 2, 0,
  #ifdef HAVE_TLS
  		CFG_TLS_PROTOCOL_MIN|ARG_STRING|ARG_MAGIC, &config_tls_config,
  #else
  		ARG_IGNORED, NULL,
  #endif
  		"( OLcfgGlAt:87 NAME 'olcTLSProtocolMin' "
  			"EQUALITY caseExactMatch "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "tool-threads", "count", 2, 2, 0, ARG_INT|ARG_MAGIC|CFG_TTHREADS,
  		&config_generic, "( OLcfgGlAt:80 NAME 'olcToolThreads' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	{ "ucdata-path", "path", 2, 2, 0, ARG_IGNORED,
  		NULL, NULL, NULL, NULL },
  	{ "updatedn", "dn", 2, 2, 0, ARG_DB|ARG_DN|ARG_QUOTE|ARG_MAGIC,
  		&config_updatedn, "( OLcfgDbAt:0.12 NAME 'olcUpdateDN' "
  			"EQUALITY distinguishedNameMatch "
  			"SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
  	{ "updateref", "url", 2, 2, 0, ARG_DB|ARG_MAGIC,
  		&config_updateref, "( OLcfgDbAt:0.13 NAME 'olcUpdateRef' "
  			"EQUALITY caseIgnoreMatch "
  			"SUP labeledURI )", NULL, NULL },
  	{ "writetimeout", "timeout", 2, 2, 0, ARG_INT,
  		&global_writetimeout, "( OLcfgGlAt:88 NAME 'olcWriteTimeout' "
  			"EQUALITY integerMatch "
  			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
  	/* Legacy keywords */
  	{ "mirrormode", "on|off", 2, 2, 0, ARG_DB|ARG_ON_OFF|ARG_MAGIC|CFG_MULTIPROVIDER,
  		&config_generic, NULL, NULL, NULL },
  	{ NULL,	NULL, 0, 0, 0, ARG_IGNORED,
  		NULL, NULL, NULL, NULL }
  };
  
  /* Need to no-op this keyword for dynamic config */
  ConfigTable olcDatabaseDummy[] = {
  	{ "", "", 0, 0, 0, ARG_IGNORED,
  		NULL, "( OLcfgGlAt:13 NAME 'olcDatabase' "
  			"DESC 'The backend type for a database instance' "
  			"SUP olcBackend SINGLE-VALUE X-ORDERED 'SIBLINGS' )", NULL, NULL },
  	{ NULL, NULL, 0, 0, 0, ARG_IGNORED }
  };
  
  /* 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:0 "
  		"NAME 'olcConfig' "
  		"DESC 'OpenLDAP configuration object' "
  		"ABSTRACT SUP top )", Cft_Abstract, NULL },
  	{ "( OLcfgGlOc:1 "
  		"NAME 'olcGlobal' "
  		"DESC 'OpenLDAP Global configuration options' "
  		"SUP olcConfig STRUCTURAL "
  		"MAY ( cn $ olcConfigFile $ olcConfigDir $ olcAllows $ olcArgsFile $ "
  		 "olcAttributeOptions $ olcAuthIDRewrite $ "
  		 "olcAuthzPolicy $ olcAuthzRegexp $ olcConcurrency $ "
  		 "olcConnMaxPending $ olcConnMaxPendingAuth $ "
  		 "olcDisallows $ olcGentleHUP $ olcIdleTimeout $ "
  		 "olcIndexSubstrIfMaxLen $ olcIndexSubstrIfMinLen $ "
  		 "olcIndexSubstrAnyLen $ olcIndexSubstrAnyStep $ olcIndexHash64 $ "
  		 "olcIndexIntLen $ "
  		 "olcListenerThreads $ olcLocalSSF $ olcLogFile $ olcLogLevel $ "
  		 "olcPasswordCryptSaltFormat $ olcPasswordHash $ olcPidFile $ "
  		 "olcPluginLogFile $ olcReadOnly $ olcReferral $ "
  		 "olcReplogFile $ olcRequires $ olcRestrict $ olcReverseLookup $ "
  		 "olcRootDSE $ "
  		 "olcSaslAuxprops $ olcSaslAuxpropsDontUseCopy $ olcSaslAuxpropsDontUseCopyIgnore $ "
  		 "olcSaslCBinding $ olcSaslHost $ olcSaslRealm $ olcSaslSecProps $ "
  		 "olcSecurity $ olcServerID $ olcSizeLimit $ "
  		 "olcSockbufMaxIncoming $ olcSockbufMaxIncomingAuth $ "
  		 "olcTCPBuffer $ "
  		 "olcThreads $ olcThreadQueues $ "
  		 "olcTimeLimit $ olcTLSCACertificateFile $ "
  		 "olcTLSCACertificatePath $ olcTLSCertificateFile $ "
  		 "olcTLSCertificateKeyFile $ olcTLSCipherSuite $ olcTLSCRLCheck $ "
  		 "olcTLSCACertificate $ olcTLSCertificate $ olcTLSCertificateKey $ "
  		 "olcTLSRandFile $ olcTLSVerifyClient $ olcTLSDHParamFile $ olcTLSECName $ "
  		 "olcTLSCRLFile $ olcTLSProtocolMin $ olcToolThreads $ olcWriteTimeout $ "
  		 "olcObjectIdentifier $ olcAttributeTypes $ olcObjectClasses $ "
  		 "olcDitContentRules $ olcLdapSyntaxes ) )", Cft_Global },
  	{ "( OLcfgGlOc:2 "
  		"NAME 'olcSchemaConfig' "
  		"DESC 'OpenLDAP schema object' "
  		"SUP olcConfig STRUCTURAL "
  		"MAY ( cn $ olcObjectIdentifier $ olcLdapSyntaxes $ "
  		 "olcAttributeTypes $ olcObjectClasses $ olcDitContentRules ) )",
  		 	Cft_Schema, NULL, cfAddSchema },
  	{ "( OLcfgGlOc:3 "
  		"NAME 'olcBackendConfig' "
  		"DESC 'OpenLDAP Backend-specific options' "
  		"SUP olcConfig STRUCTURAL "
  		"MUST olcBackend )", Cft_Backend, NULL, cfAddBackend },
  	{ "( OLcfgGlOc:4 "
  		"NAME 'olcDatabaseConfig' "
  		"DESC 'OpenLDAP Database-specific options' "
  		"SUP olcConfig STRUCTURAL "
  		"MUST olcDatabase "
  		"MAY ( olcDisabled $ olcHidden $ olcSuffix $ olcSubordinate $ olcAccess $ "
  		 "olcAddContentAcl $ olcLastMod $ olcLastBind $ olcLimits $ "
  		 "olcMaxDerefDepth $ olcPlugin $ olcReadOnly $ olcReplica $ "
  		 "olcReplicaArgsFile $ olcReplicaPidFile $ olcReplicationInterval $ "
  		 "olcReplogFile $ olcRequires $ olcRestrict $ olcRootDN $ olcRootPW $ "
  		 "olcSchemaDN $ olcSecurity $ olcSizeLimit $ olcSyncUseSubentry $ olcSyncrepl $ "
  		 "olcTimeLimit $ olcUpdateDN $ olcUpdateRef $ olcMultiProvider $ "
  		 "olcMonitoring $ olcExtraAttrs ) )",
  		 	Cft_Database, NULL, cfAddDatabase },
  	{ "( OLcfgGlOc:5 "
  		"NAME 'olcOverlayConfig' "
  		"DESC 'OpenLDAP Overlay-specific options' "
  		"SUP olcConfig STRUCTURAL "
  		"MUST olcOverlay "
  		"MAY olcDisabled )", Cft_Overlay, NULL, cfAddOverlay },
  	{ "( OLcfgGlOc:6 "
  		"NAME 'olcIncludeFile' "
  		"DESC 'OpenLDAP configuration include file' "
  		"SUP olcConfig STRUCTURAL "
  		"MUST olcInclude "
  		"MAY ( cn $ olcRootDSE ) )",
  		/* Used to be Cft_Include, that def has been removed */
  		Cft_Abstract, 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 $ olcPasswordHash $ olcSortVals ) )",
  		Cft_Database, NULL, NULL },
  #ifdef SLAPD_MODULES
  	{ "( OLcfgGlOc:8 "
  		"NAME 'olcModuleList' "
  		"DESC 'OpenLDAP dynamic module info' "
  		"SUP olcConfig STRUCTURAL "
  		"MAY ( cn $ olcModulePath $ olcModuleLoad ) )",
  		Cft_Module, NULL, cfAddModule },
  #endif
  	{ NULL, 0, NULL }
  };
  
  typedef struct ServerID {
  	struct ServerID *si_next;
  	struct berval si_url;
  	int si_num;
  } ServerID;
  
  static ServerID *sid_list;
  static ServerID *sid_set;
  
  typedef struct voidList {
  	struct voidList *vl_next;
  	void *vl_ptr;
  } voidList;
  
  typedef struct ADlist {
  	struct ADlist *al_next;
  	AttributeDescription *al_desc;
  } ADlist;
  
  static ADlist *sortVals;
  
  static int new_daemon_threads;
  
  static int
  config_resize_lthreads(ConfigArgs *c)
  {
  	return slapd_daemon_resize( new_daemon_threads );
  }
  
  static int
  config_generic(ConfigArgs *c) {
  	int i;
  
  	if ( c->op == SLAP_CONFIG_EMIT ) {
  		int rc = 0;
  		switch(c->type) {
  		case CFG_CONCUR:
  			c->value_int = ldap_pvt_thread_get_concurrency();
  			break;
  		case CFG_THREADS:
  			c->value_int = connection_pool_max;
  			break;
  		case CFG_THREADQS:
  			c->value_int = connection_pool_queues;
  			break;
  		case CFG_TTHREADS:
  			c->value_int = slap_tool_thread_max;
  			break;
  		case CFG_LTHREADS:
  			c->value_uint = slapd_daemon_threads;
  			break;
  		case CFG_SALT:
  			if ( passwd_salt )
  				c->value_string = ch_strdup( passwd_salt );
  			else
  				rc = 1;
  			break;
  		case CFG_LIMITS:
  			if ( c->be->be_limits ) {
  				char buf[4096*3];
  				struct berval bv;
  
  				for ( i=0; c->be->be_limits[i]; i++ ) {
  					bv.bv_len = snprintf( buf, sizeof( buf ), SLAP_X_ORDERED_FMT, i );
  					if ( bv.bv_len >= sizeof( buf ) ) {
  						ber_bvarray_free_x( c->rvalue_vals, NULL );
  						c->rvalue_vals = NULL;
  						rc = 1;
  						break;
  					}
  					bv.bv_val = buf + bv.bv_len;
  					limits_unparse( c->be->be_limits[i], &bv,
  							sizeof( buf ) - ( bv.bv_val - buf ) );
  					bv.bv_len += bv.bv_val - buf;
  					bv.bv_val = buf;
  					value_add_one( &c->rvalue_vals, &bv );
  				}
  			}
  			if ( !c->rvalue_vals ) rc = 1;
  			break;
  		case CFG_RO:
  			c->value_int = (c->be->be_restrictops & SLAP_RESTRICT_READONLY);
  			break;
  		case CFG_AZPOLICY:
  			c->value_string = ch_strdup( slap_sasl_getpolicy());
  			break;
  		case CFG_AZREGEXP:
  			slap_sasl_regexp_unparse( &c->rvalue_vals );
  			if ( !c->rvalue_vals ) rc = 1;
  			break;
  #ifdef HAVE_CYRUS_SASL
  #ifdef SLAP_AUXPROP_DONTUSECOPY
  		case CFG_AZDUC: {
  			static int duc_done = 0;
  
  			/* take the opportunity to initialize with known values */
  			if ( !duc_done ) {
  				struct berval duc[] = { BER_BVC("cmusaslsecretOTP"), BER_BVNULL };
  				int i;
  				
  				for ( i = 0; !BER_BVISNULL( &duc[ i ] ); i++ ) {
  					const char *text = NULL;
  					AttributeDescription *ad = NULL;
  
  					if ( slap_bv2ad( &duc[ i ], &ad, &text ) == LDAP_SUCCESS ) {
  						int gotit = 0;
  						if ( slap_dontUseCopy_propnames ) {
  							int j;
  
  							for ( j = 0; !BER_BVISNULL( &slap_dontUseCopy_propnames[ j ] ); j++ ) {
  								if ( bvmatch( &slap_dontUseCopy_propnames[ j ], &ad->ad_cname ) ) {
  									gotit = 1;
  								}
  							}
  						}
  
  						if ( !gotit ) {
  							value_add_one( &slap_dontUseCopy_propnames, &ad->ad_cname );
  						}
  					}
  				}
  
  				duc_done = 1;
  			}
  
  			if ( slap_dontUseCopy_propnames != NULL ) {
  				ber_bvarray_dup_x( &c->rvalue_vals, slap_dontUseCopy_propnames, NULL );
  			} else {
  				rc = 1;
  			}
  			} break;
  #endif /* SLAP_AUXPROP_DONTUSECOPY */
  		case CFG_SASLSECP: {
  			struct berval bv = BER_BVNULL;
  			slap_sasl_secprops_unparse( &bv );
  			if ( !BER_BVISNULL( &bv )) {
  				ber_bvarray_add( &c->rvalue_vals, &bv );
  			} else {
  				rc = 1;
  			}
  			}
  			break;
  #endif
  		case CFG_DEPTH:
  			c->value_int = c->be->be_max_deref_depth;
  			break;
  		case CFG_DISABLED:
  			if ( c->bi ) {
  				/* overlay */
  				if ( c->bi->bi_flags & SLAPO_BFLAG_DISABLED ) {
  					c->value_int = 1;
  				} else {
  					rc = 1;
  				}
  			} else {
  				/* database */
  				if ( SLAP_DBDISABLED( c->be )) {
  					c->value_int = 1;
  				} else {
  					rc = 1;
  				}
  			}
  			break;
  		case CFG_HIDDEN:
  			if ( SLAP_DBHIDDEN( c->be )) {
  				c->value_int = 1;
  			} else {
  				rc = 1;
  			}
  			break;
  		case CFG_OID: {
  			ConfigFile *cf = c->ca_private;
  			if ( !cf )
  				oidm_unparse( &c->rvalue_vals, NULL, NULL, 1 );
  			else if ( cf->c_om_head )
  				oidm_unparse( &c->rvalue_vals, cf->c_om_head,
  					cf->c_om_tail, 0 );
  			if ( !c->rvalue_vals )
  				rc = 1;
  			}
  			break;
  		case CFG_ATOPT:
  			ad_unparse_options( &c->rvalue_vals );
  			break;
  		case CFG_OC: {
  			ConfigFile *cf = c->ca_private;
  			if ( !cf )
  				oc_unparse( &c->rvalue_vals, NULL, NULL, 1 );
  			else if ( cf->c_oc_head )
  				oc_unparse( &c->rvalue_vals, cf->c_oc_head,
  					cf->c_oc_tail, 0 );
  			if ( !c->rvalue_vals )
  				rc = 1;
  			}
  			break;
  		case CFG_ATTR: {
  			ConfigFile *cf = c->ca_private;
  			if ( !cf )
  				at_unparse( &c->rvalue_vals, NULL, NULL, 1 );
  			else if ( cf->c_at_head )
  				at_unparse( &c->rvalue_vals, cf->c_at_head,
  					cf->c_at_tail, 0 );
  			if ( !c->rvalue_vals )
  				rc = 1;
  			}
  			break;
  		case CFG_SYNTAX: {
  			ConfigFile *cf = c->ca_private;
  			if ( !cf )
  				syn_unparse( &c->rvalue_vals, NULL, NULL, 1 );
  			else if ( cf->c_syn_head )
  				syn_unparse( &c->rvalue_vals, cf->c_syn_head,
  					cf->c_syn_tail, 0 );
  			if ( !c->rvalue_vals )
  				rc = 1;
  			}
  			break;
  		case CFG_DIT: {
  			ConfigFile *cf = c->ca_private;
  			if ( !cf )
  				cr_unparse( &c->rvalue_vals, NULL, NULL, 1 );
  			else if ( cf->c_cr_head )
  				cr_unparse( &c->rvalue_vals, cf->c_cr_head,
  					cf->c_cr_tail, 0 );
  			if ( !c->rvalue_vals )
  				rc = 1;
  			}
  			break;
  			
  		case CFG_ACL: {
  			AccessControl *a;
  			char *src, *dst, ibuf[11];
  			struct berval bv, abv;
  			for (i=0, a=c->be->be_acl; a; i++,a=a->acl_next) {
  				abv.bv_len = snprintf( ibuf, sizeof( ibuf ), SLAP_X_ORDERED_FMT, i );
  				if ( abv.bv_len >= sizeof( ibuf ) ) {
  					ber_bvarray_free_x( c->rvalue_vals, NULL );
  					c->rvalue_vals = NULL;
  					i = 0;
  					break;
  				}
  				acl_unparse( a, &bv );
  				abv.bv_val = ch_malloc( abv.bv_len + bv.bv_len + 1 );
  				AC_MEMCPY( abv.bv_val, ibuf, abv.bv_len );
  				/* Turn TAB / EOL into plain space */
  				for (src=bv.bv_val,dst=abv.bv_val+abv.bv_len; *src; src++) {
  					if (isspace((unsigned char)*src)) *dst++ = ' ';
  					else *dst++ = *src;
  				}
  				*dst = '\0';
  				if (dst[-1] == ' ') {
  					dst--;
  					*dst = '\0';
  				}
  				abv.bv_len = dst - abv.bv_val;
  				ber_bvarray_add( &c->rvalue_vals, &abv );
  			}
  			rc = (!i);
  			break;
  		}
  		case CFG_ACL_ADD:
  			c->value_int = (SLAP_DBACL_ADD(c->be) != 0);
  			break;
  		case CFG_ROOTDSE: {
  			ConfigFile *cf = c->ca_private;
  			if ( cf->c_dseFiles ) {
  				value_add( &c->rvalue_vals, cf->c_dseFiles );
  			} else {
  				rc = 1;
  			}
  			}
  			break;
  		case CFG_SERVERID:
  			if ( sid_list ) {
  				ServerID *si;
  				struct berval bv;
  
  				for ( si = sid_list; si; si=si->si_next ) {
  					assert( si->si_num >= 0 && si->si_num <= SLAP_SYNC_SID_MAX );
  					if ( !BER_BVISEMPTY( &si->si_url )) {
  						bv.bv_len = si->si_url.bv_len + 6;
  						bv.bv_val = ch_malloc( bv.bv_len );
  						bv.bv_len = sprintf( bv.bv_val, "%d %s", si->si_num,
  							si->si_url.bv_val );
  						ber_bvarray_add( &c->rvalue_vals, &bv );
  					} else {
  						char buf[5];
  						bv.bv_val = buf;
  						bv.bv_len = sprintf( buf, "%d", si->si_num );
  						value_add_one( &c->rvalue_vals, &bv );
  					}
  				}
  			} else {
  				rc = 1;
  			}
  			break;
  		case CFG_LOGFILE:
  			if ( logfileName )
  				c->value_string = ch_strdup( logfileName );
  			else
  				rc = 1;
  			break;
  		case CFG_LASTMOD:
  			c->value_int = (SLAP_NOLASTMOD(c->be) == 0);
  			break;
  		case CFG_LASTBIND:
  			c->value_int = (SLAP_NOLASTMOD(c->be) == 0);
  			break;
  		case CFG_SYNC_SUBENTRY:
  			c->value_int = (SLAP_SYNC_SUBENTRY(c->be) != 0);
  			break;
  		case CFG_MULTIPROVIDER:
  			if ( SLAP_SHADOW(c->be))
  				c->value_int = (SLAP_MULTIPROVIDER(c->be) != 0);
  			else
  				rc = 1;
  			break;
  		case CFG_MONITORING:
  			c->value_int = (SLAP_DBMONITORING(c->be) != 0);
  			break;
  		case CFG_SSTR_IF_MAX:
  			c->value_uint = index_substr_if_maxlen;
  			break;
  		case CFG_SSTR_IF_MIN:
  			c->value_uint = index_substr_if_minlen;
  			break;
  		case CFG_IX_HASH64:
  			c->value_int = slap_hash64( -1 );
  			break;
  		case CFG_IX_INTLEN:
  			c->value_int = index_intlen;
  			break;
  		case CFG_SORTVALS: {
  			ADlist *sv;
  			rc = 1;
  			for ( sv = sortVals; sv; sv = sv->al_next ) {
  				value_add_one( &c->rvalue_vals, &sv->al_desc->ad_cname );
  				rc = 0;
  			}
  			} break;
  #ifdef SLAPD_MODULES
  		case CFG_MODLOAD: {
  			ModPaths *mp = c->ca_private;
  			if (mp->mp_loads) {
  				int i;
  				for (i=0; !BER_BVISNULL(&mp->mp_loads[i]); i++) {
  					struct berval bv;
  					bv.bv_val = c->log;
  					bv.bv_len = snprintf( bv.bv_val, sizeof( c->log ),
  						SLAP_X_ORDERED_FMT "%s", i,
  						mp->mp_loads[i].bv_val );
  					if ( bv.bv_len >= sizeof( c->log ) ) {
  						ber_bvarray_free_x( c->rvalue_vals, NULL );
  						c->rvalue_vals = NULL;
  						break;
  					}
  					value_add_one( &c->rvalue_vals, &bv );
  				}
  			}
  
  			rc = c->rvalue_vals ? 0 : 1;
  			}
  			break;
  		case CFG_MODPATH: {
  			ModPaths *mp = c->ca_private;
  			if ( !BER_BVISNULL( &mp->mp_path ))
  				value_add_one( &c->rvalue_vals, &mp->mp_path );
  
  			rc = c->rvalue_vals ? 0 : 1;
  			}
  			break;
  #endif
  #ifdef LDAP_SLAPI
  		case CFG_PLUGIN:
  			slapi_int_plugin_unparse( c->be, &c->rvalue_vals );
  			if ( !c->rvalue_vals ) rc = 1;
  			break;
  #endif
  		case CFG_REWRITE:
  			rc = slap_sasl_rewrite_unparse( &c->rvalue_vals );
  			break;
  		default:
  			rc = 1;
  		}
  		return rc;
  	} else if ( c->op == LDAP_MOD_DELETE ) {
  		int rc = 0;
  		switch(c->type) {
  		/* single-valued attrs, no-ops */
  		case CFG_CONCUR:
  		case CFG_THREADS:
  		case CFG_THREADQS:
  		case CFG_TTHREADS:
  		case CFG_LTHREADS:
  		case CFG_AZPOLICY:
  		case CFG_DEPTH:
  		case CFG_LASTMOD:
  		case CFG_LASTBIND:
  		case CFG_MONITORING:
  		case CFG_SASLSECP:
  		case CFG_SSTR_IF_MAX:
  		case CFG_SSTR_IF_MIN:
  		case CFG_ACL_ADD:
  		case CFG_SYNC_SUBENTRY:
  			break;
  
  		case CFG_RO:
  			c->be->be_restrictops &= ~SLAP_RESTRICT_READONLY;
  			break;
  
  #ifdef LDAP_SLAPI
  		case CFG_PLUGIN:
  			slapi_int_unregister_plugins(c->be, c->valx);
  			break;
  #endif
  
  		/* no-op, requires slapd restart */
  		case CFG_MODLOAD:
  			snprintf(c->log, sizeof( c->log ), "change requires slapd restart");
  			break;
  
  		case CFG_MULTIPROVIDER:
  			SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_MULTI_SHADOW;
  			if(SLAP_SHADOW(c->be))
  				SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_SINGLE_SHADOW;
  			break;
  
  #if defined(HAVE_CYRUS_SASL) && defined(SLAP_AUXPROP_DONTUSECOPY)
  		case CFG_AZDUC:
  			if ( c->valx < 0 ) {
  				if ( slap_dontUseCopy_propnames != NULL ) {
  					ber_bvarray_free( slap_dontUseCopy_propnames );
  					slap_dontUseCopy_propnames = NULL;
  				}
  	
  			} else {
  				int i;
  
  				if ( slap_dontUseCopy_propnames == NULL ) {
  					rc = 1;
  					break;
  				}
  
  				for ( i = 0; !BER_BVISNULL( &slap_dontUseCopy_propnames[ i ] ) && i < c->valx; i++ );
  				if ( i < c->valx ) {
  					rc = 1;
  					break;
  				}
  				ber_memfree( slap_dontUseCopy_propnames[ i ].bv_val );
  				for ( ; !BER_BVISNULL( &slap_dontUseCopy_propnames[ i + 1 ] ); i++ ) {
  					slap_dontUseCopy_propnames[ i ] = slap_dontUseCopy_propnames[ i + 1 ];
  				}
  				BER_BVZERO( &slap_dontUseCopy_propnames[ i ] );
  			}
  			break;
  #endif /* SLAP_AUXPROP_DONTUSECOPY */
  
  		case CFG_AZREGEXP:
  			rc = slap_sasl_regexp_delete( c->valx );
  			break;
  
  		case CFG_REWRITE:
  			rc = slap_sasl_rewrite_delete( c->valx );
  			break;
  
  		case CFG_SALT:
  			ch_free( passwd_salt );
  			passwd_salt = NULL;
  			break;
  
  		case CFG_LOGFILE:
  			ch_free( logfileName );
  			logfileName = NULL;
  			if ( logfile ) {
  				fclose( logfile );
  				logfile = NULL;
  			}
  			break;
  
  		case CFG_SERVERID: {
  			ServerID *si, **sip;
  
  			for ( i=0, si = sid_list, sip = &sid_list;
  				si; si = *sip, i++ ) {
  				if ( c->valx == -1 || i == c->valx ) {
  					*sip = si->si_next;
  					if ( sid_set == si )
  						sid_set = NULL;
  					ch_free( si );
  					if ( c->valx >= 0 )
  						break;
  				} else {
  					sip = &si->si_next;
  				}
  			}
  			}
  			break;
  		case CFG_HIDDEN:
  			c->be->be_flags &= ~SLAP_DBFLAG_HIDDEN;
  			break;
  
  		case CFG_DISABLED:
  			if ( c->bi ) {
  				c->bi->bi_flags &= ~SLAP_DBFLAG_DISABLED;
  				if ( c->bi->bi_db_open ) {
  					BackendInfo *bi_orig = c->be->bd_info;
  					c->be->bd_info = c->bi;
  					rc = c->bi->bi_db_open( c->be, &c->reply );
  					c->be->bd_info = bi_orig;
  				}
  			} else {
  				c->be->be_flags &= ~SLAP_DBFLAG_DISABLED;
  				rc = backend_startup_one( c->be, &c->reply );
  			}
  			break;
  
  		case CFG_IX_HASH64:
  			slap_hash64( 0 );
  			break;
  
  		case CFG_IX_INTLEN:
  			index_intlen = SLAP_INDEX_INTLEN_DEFAULT;
  			index_intlen_strlen = SLAP_INDEX_INTLEN_STRLEN(
  				SLAP_INDEX_INTLEN_DEFAULT );
  			break;
  
  		case CFG_ACL:
  			if ( c->valx < 0 ) {
  				acl_destroy( c->be->be_acl );
  				c->be->be_acl = NULL;
  
  			} 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 );
  			}
  			if ( SLAP_CONFIG( c->be ) && !c->be->be_acl ) {
  				Debug( LDAP_DEBUG_CONFIG, "config_generic (CFG_ACL): "
  						"Last explicit ACL for back-config removed. "
  						"Using hardcoded default\n" );
  				c->be->be_acl = defacl_parsed;
  			}
  			break;
  
  		case CFG_OC: {
  			CfEntryInfo *ce;
  			/* Can be NULL when undoing a failed add */
  			if ( c->ca_entry ) {
  				ce = c->ca_entry->e_private;
  				/* can't modify the hardcoded schema */
  				if ( ce->ce_parent->ce_type == Cft_Global )
  					return 1;
  				}
  			}
  			cfn = c->ca_private;
  			if ( c->valx < 0 ) {
  				ObjectClass *oc;
  
  				for( oc = cfn->c_oc_head; oc; oc_next( &oc )) {
  					oc_delete( oc );
  					if ( oc  == cfn->c_oc_tail )
  						break;
  				}
  				cfn->c_oc_head = cfn->c_oc_tail = NULL;
  			} else {
  				ObjectClass *oc, *prev = NULL;
  
  				for ( i=0, oc=cfn->c_oc_head; i<c->valx; i++) {
  					prev = oc;
  					oc_next( &oc );
  				}
  				oc_delete( oc );
  				if ( cfn->c_oc_tail == oc ) {
  					cfn->c_oc_tail = prev;
  				}
  				if ( cfn->c_oc_head == oc ) {
  					oc_next( &oc );
  					cfn->c_oc_head = oc;
  				}
  			}
  			break;
  
  		case CFG_ATTR: {
  			CfEntryInfo *ce;
  			/* Can be NULL when undoing a failed add */
  			if ( c->ca_entry ) {
  				ce = c->ca_entry->e_private;
  				/* can't modify the hardcoded schema */
  				if ( ce->ce_parent->ce_type == Cft_Global )
  					return 1;
  				}
  			}
  			cfn = c->ca_private;
  			if ( c->valx < 0 ) {
  				AttributeType *at;
  
  				for( at = cfn->c_at_head; at; at_next( &at )) {
  					at_delete( at );
  					if ( at  == cfn->c_at_tail )
  						break;
  				}
  				cfn->c_at_head = cfn->c_at_tail = NULL;
  			} else {
  				AttributeType *at, *prev = NULL;
  
  				for ( i=0, at=cfn->c_at_head; i<c->valx; i++) {
  					prev = at;
  					at_next( &at );
  				}
  				at_delete( at );
  				if ( cfn->c_at_tail == at ) {
  					cfn->c_at_tail = prev;
  				}
  				if ( cfn->c_at_head == at ) {
  					at_next( &at );
  					cfn->c_at_head = at;
  				}
  			}
  			break;
  
  		case CFG_SYNTAX: {
  			CfEntryInfo *ce;
  			/* Can be NULL when undoing a failed add */
  			if ( c->ca_entry ) {
  				ce = c->ca_entry->e_private;
  				/* can't modify the hardcoded schema */
  				if ( ce->ce_parent->ce_type == Cft_Global )
  					return 1;
  				}
  			}
  			cfn = c->ca_private;
  			if ( c->valx < 0 ) {
  				Syntax *syn;
  
  				for( syn = cfn->c_syn_head; syn; syn_next( &syn )) {
  					syn_delete( syn );
  					if ( syn == cfn->c_syn_tail )
  						break;
  				}
  				cfn->c_syn_head = cfn->c_syn_tail = NULL;
  			} else {
  				Syntax *syn, *prev = NULL;
  
  				for ( i = 0, syn = cfn->c_syn_head; i < c->valx; i++) {
  					prev = syn;
  					syn_next( &syn );
  				}
  				syn_delete( syn );
  				if ( cfn->c_syn_tail == syn ) {
  					cfn->c_syn_tail = prev;
  				}
  				if ( cfn->c_syn_head == syn ) {
  					syn_next( &syn );
  					cfn->c_syn_head = syn;
  				}
  			}
  			break;
  		case CFG_SORTVALS:
  			if ( c->valx < 0 ) {
  				ADlist *sv;
  				for ( sv = sortVals; sv; sv = sortVals ) {
  					sortVals = sv->al_next;
  					sv->al_desc->ad_type->sat_flags &= ~SLAP_AT_SORTED_VAL;
  					ch_free( sv );
  				}
  			} else {
  				ADlist *sv, **prev;
  				int i = 0;
  
  				for ( prev = &sortVals, sv = sortVals; i < c->valx; i++ ) {
  					prev = &sv->al_next;
  					sv = sv->al_next;
  				}
  				sv->al_desc->ad_type->sat_flags &= ~SLAP_AT_SORTED_VAL;
  				*prev = sv->al_next;
  				ch_free( sv );
  			}
  			break;
  
  		case CFG_LIMITS:
  			/* FIXME: there is no limits_free function */
  			if ( c->valx < 0 ) {
  				limits_destroy( c->be->be_limits );
  				c->be->be_limits = NULL;
  
  			} else {
  				int cnt, num = -1;
  
  				if ( c->be->be_limits ) {
  					for ( num = 0; c->be->be_limits[ num ]; num++ )
  						/* just count */ ;
  				}
  
  				if ( c->valx >= num ) {
  					return 1;
  				}
  
  				if ( num == 1 ) {
  					limits_destroy( c->be->be_limits );
  					c->be->be_limits = NULL;
  
  				} else {
  					limits_free_one( c->be->be_limits[ c->valx ] );
  
  					for ( cnt = c->valx; cnt < num; cnt++ ) {
  						c->be->be_limits[ cnt ] = c->be->be_limits[ cnt + 1 ];
  					}
  				}
  			}
  			break;
  
  		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_DIT:
  		case CFG_MODPATH:
  		default:
  			rc = 1;
  			break;
  		}
  		return rc;
  	}
  
  	switch(c->type) {
  		case CFG_BACKEND:
  			if(!(c->bi = backend_info(c->argv[1]))) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> failed init", c->argv[0] );
  				Debug(LDAP_DEBUG_ANY, "%s: %s (%s)!\n",
  					c->log, c->cr_msg, c->argv[1] );
  				return(1);
  			}
  			if ( c->bi->bi_flags & SLAP_BFLAG_STANDALONE ) {
  				c->bi->bi_nDB++;
  				nbackends++;
  			}
  			c->be = NULL;
  			break;
  
  		case CFG_DATABASE:
  			c->bi = NULL;
  			/* NOTE: config is always the first backend!
  			 */
  			if ( !strcasecmp( c->argv[1], "config" )) {
  				c->be = LDAP_STAILQ_FIRST(&backendDB);
  			} else if ( !strcasecmp( c->argv[1], "frontend" )) {
  				c->be = frontendDB;
  			} else {
  				c->be = backend_db_init(c->argv[1], NULL, c->valx, &c->reply);
  				if ( !c->be ) {
  					if ( c->cr_msg[0] == 0 )
  						snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> failed init", c->argv[0] );
  					Debug(LDAP_DEBUG_ANY, "%s: %s (%s)\n", c->log, c->cr_msg, c->argv[1] );
  					return(1);
  				}
  			}
  			break;
  
  		case CFG_CONCUR:
  			ldap_pvt_thread_set_concurrency(c->value_int);
  			break;
  
  		case CFG_THREADS:
  			if ( c->value_int < 2 ) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ),
  					"threads=%d smaller than minimum value 2",
  					c->value_int );
  				Debug(LDAP_DEBUG_ANY, "%s: %s.\n",
  					c->log, c->cr_msg );
  				return 1;
  
  			} else if ( c->value_int > 2 * SLAP_MAX_WORKER_THREADS ) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ),
  					"warning, threads=%d larger than twice the default (2*%d=%d); YMMV",
  					c->value_int, SLAP_MAX_WORKER_THREADS, 2 * SLAP_MAX_WORKER_THREADS );
  				Debug(LDAP_DEBUG_ANY, "%s: %s.\n",
  					c->log, c->cr_msg );
  			}
  			if ( slapMode & SLAP_SERVER_MODE )
  				ldap_pvt_thread_pool_maxthreads(&connection_pool, c->value_int);
  			connection_pool_max = c->value_int;	/* save for reference */
  			break;
  
  		case CFG_THREADQS:
  			if ( c->value_int < 1 ) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ),
  					"threadqueues=%d smaller than minimum value 1",
  					c->value_int );
  				Debug(LDAP_DEBUG_ANY, "%s: %s.\n",
  					c->log, c->cr_msg );
  				return 1;
  			}
  			if ( slapMode & SLAP_SERVER_MODE )
  				ldap_pvt_thread_pool_queues(&connection_pool, c->value_int);
  			connection_pool_queues = c->value_int;	/* save for reference */
  			break;
  
  		case CFG_TTHREADS:
  			if ( slapMode & SLAP_TOOL_MODE )
  				ldap_pvt_thread_pool_maxthreads(&connection_pool, c->value_int);
  			slap_tool_thread_max = c->value_int;	/* save for reference */
  			break;
  
  		case CFG_LTHREADS:
  			if ( c->value_uint < 1 ) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ),
  					"listenerthreads=%u smaller than minimum value 1",
  					c->value_uint );
  				Debug(LDAP_DEBUG_ANY, "%s: %s.\n",
  					c->log, c->cr_msg );
  				return 1;
  			}
  			{ int mask = 0;
  			/* use a power of two */
  			while (c->value_uint > 1) {
  				c->value_uint >>= 1;
  				mask <<= 1;
  				mask |= 1;
  			}
  			new_daemon_threads = mask+1;
  			config_push_cleanup( c, config_resize_lthreads );
  			}
  			break;
  
  		case CFG_SALT:
  			if ( passwd_salt ) ch_free( passwd_salt );
  			passwd_salt = c->value_string;
  			lutil_salt_format(passwd_salt);
  			break;
  
  		case CFG_LIMITS:
  			if(limits_parse(c->be, c->fname, c->lineno, c->argc, c->argv))
  				return(1);
  			break;
  
  		case CFG_RO:
  			if(c->value_int)
  				c->be->be_restrictops |= SLAP_RESTRICT_READONLY;
  			else
  				c->be->be_restrictops &= ~SLAP_RESTRICT_READONLY;
  			break;
  
  		case CFG_AZPOLICY:
  			ch_free(c->value_string);
  			if (slap_sasl_setpolicy( c->argv[1] )) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unable to parse value", c->argv[0] );
  				Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
  					c->log, c->cr_msg, c->argv[1] );
  				return(1);
  			}
  			break;
  		
  		case CFG_AZREGEXP:
  			if (slap_sasl_regexp_config( c->argv[1], c->argv[2], c->valx ))
  				return(1);
  			break;
  				
  #ifdef HAVE_CYRUS_SASL
  #ifdef SLAP_AUXPROP_DONTUSECOPY
  		case CFG_AZDUC: {
  			int arg, cnt;
  
  			for ( arg = 1; arg < c->argc; arg++ ) {
  				int duplicate = 0, err;
  				AttributeDescription *ad = NULL;
  				const char *text = NULL;
  
  				err = slap_str2ad( c->argv[ arg ], &ad, &text );
  				if ( err != LDAP_SUCCESS ) {
  					snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s>: attr #%d (\"%s\") unknown (err=%d \"%s\"; ignored)",
  						c->argv[0], arg, c->argv[ arg ], err, text );
  					Debug(LDAP_DEBUG_ANY, "%s: %s\n",
  						c->log, c->cr_msg );
  
  				} else {
  					if ( slap_dontUseCopy_propnames != NULL ) {
  						for ( cnt = 0; !BER_BVISNULL( &slap_dontUseCopy_propnames[ cnt ] ); cnt++ ) {
  							if ( bvmatch( &slap_dontUseCopy_propnames[ cnt ], &ad->ad_cname ) ) {
  								duplicate = 1;
  								break;
  							}
  						}
  					}
  
  					if ( duplicate ) {
  						snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s>: attr #%d (\"%s\") already defined (ignored)",
  							c->argv[0], arg, ad->ad_cname.bv_val);
  						Debug(LDAP_DEBUG_ANY, "%s: %s\n",
  							c->log, c->cr_msg );
  						continue;
  					}
  
  					value_add_one( &slap_dontUseCopy_propnames, &ad->ad_cname );
  				}
  			}
  			
  			} break;
  #endif /* SLAP_AUXPROP_DONTUSECOPY */
  
  		case CFG_SASLSECP:
  			{
  			char *txt = slap_sasl_secprops( c->argv[1] );
  			if ( txt ) {
  				snprintf( c->cr_msg, sizeof(c->cr_msg), "<%s> %s",
  					c->argv[0], txt );
  				Debug(LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg );
  				return(1);
  			}
  			break;
  			}
  #endif
  
  		case CFG_DEPTH:
  			c->be->be_max_deref_depth = c->value_int;
  			break;
  
  		case CFG_OID: {
  			OidMacro *om;
  
  			if ( c->op == LDAP_MOD_ADD && c->ca_private && cfn != c->ca_private )
  				cfn = c->ca_private;
  			if(parse_oidm(c, 1, &om))
  				return(1);
  			if (!cfn->c_om_head) cfn->c_om_head = om;
  			cfn->c_om_tail = om;
  			}
  			break;
  
  		case CFG_OC: {
  			ObjectClass *oc, *prev;
  
  			if ( c->op == LDAP_MOD_ADD && c->ca_private && cfn != c->ca_private )
  				cfn = c->ca_private;
  			if ( c->valx < 0 ) {
  				prev = cfn->c_oc_tail;
  			} else {
  				prev = NULL;
  				/* If adding anything after the first, prev is easy */
  				if ( c->valx ) {
  					int i;
  					for (i=0, oc = cfn->c_oc_head; i<c->valx; i++) {
  						prev = oc;
  						if ( !oc_next( &oc ))
  							break;
  					}
  				} else
  				/* If adding the first, and head exists, find its prev */
  					if (cfn->c_oc_head) {
  					for ( oc_start( &oc ); oc != cfn->c_oc_head; ) {
  						prev = oc;
  						oc_next( &oc );
  					}
  				}
  				/* else prev is NULL, append to end of global list */
  			}
  			if(parse_oc(c, &oc, prev)) return(1);
  			if (!cfn->c_oc_head || !c->valx) cfn->c_oc_head = oc;
  			if (cfn->c_oc_tail == prev) cfn->c_oc_tail = oc;
  			}
  			break;
  
  		case CFG_ATTR: {
  			AttributeType *at, *prev;
  
  			if ( c->op == LDAP_MOD_ADD && c->ca_private && cfn != c->ca_private )
  				cfn = c->ca_private;
  			if ( c->valx < 0 ) {
  				prev = cfn->c_at_tail;
  			} else {
  				prev = NULL;
  				/* If adding anything after the first, prev is easy */
  				if ( c->valx ) {
  					int i;
  					for (i=0, at = cfn->c_at_head; i<c->valx; i++) {
  						prev = at;
  						if ( !at_next( &at ))
  							break;
  					}
  				} else
  				/* If adding the first, and head exists, find its prev */
  					if (cfn->c_at_head) {
  					for ( at_start( &at ); at != cfn->c_at_head; ) {
  						prev = at;
  						at_next( &at );
  					}
  				}
  				/* else prev is NULL, append to end of global list */
  			}
  			if(parse_at(c, &at, prev)) return(1);
  			if (!cfn->c_at_head || !c->valx) cfn->c_at_head = at;
  			if (cfn->c_at_tail == prev) cfn->c_at_tail = at;
  			}
  			break;
  
  		case CFG_SYNTAX: {
  			Syntax *syn, *prev;
  
  			if ( c->op == LDAP_MOD_ADD && c->ca_private && cfn != c->ca_private )
  				cfn = c->ca_private;
  			if ( c->valx < 0 ) {
  				prev = cfn->c_syn_tail;
  			} else {
  				prev = NULL;
  				/* If adding anything after the first, prev is easy */
  				if ( c->valx ) {
  					int i;
  					for ( i = 0, syn = cfn->c_syn_head; i < c->valx; i++ ) {
  						prev = syn;
  						if ( !syn_next( &syn ))
  							break;
  					}
  				} else
  				/* If adding the first, and head exists, find its prev */
  					if (cfn->c_syn_head) {
  					for ( syn_start( &syn ); syn != cfn->c_syn_head; ) {
  						prev = syn;
  						syn_next( &syn );
  					}
  				}
  				/* else prev is NULL, append to end of global list */
  			}
  			if ( parse_syn( c, &syn, prev ) ) return(1);
  			if ( !cfn->c_syn_head || !c->valx ) cfn->c_syn_head = syn;
  			if ( cfn->c_syn_tail == prev ) cfn->c_syn_tail = syn;
  			}
  			break;
  
  		case CFG_DIT: {
  			ContentRule *cr;
  
  			if ( c->op == LDAP_MOD_ADD && c->ca_private && cfn != c->ca_private )
  				cfn = c->ca_private;
  			if(parse_cr(c, &cr)) return(1);
  			if (!cfn->c_cr_head) cfn->c_cr_head = cr;
  			cfn->c_cr_tail = cr;
  			}
  			break;
  
  		case CFG_ATOPT:
  			ad_define_option(NULL, NULL, 0);
  			for(i = 1; i < c->argc; i++)
  				if(ad_define_option(c->argv[i], c->fname, c->lineno))
  					return(1);
  			break;
  
  		case CFG_IX_HASH64:
  			if ( slap_hash64( c->value_int != 0 ))
  				return 1;
  			break;
  
  		case CFG_IX_INTLEN:
  			if ( c->value_int < SLAP_INDEX_INTLEN_DEFAULT )
  				c->value_int = SLAP_INDEX_INTLEN_DEFAULT;
  			else if ( c->value_int > 255 )
  				c->value_int = 255;
  			index_intlen = c->value_int;
  			index_intlen_strlen = SLAP_INDEX_INTLEN_STRLEN(
  				index_intlen );
  			break;
  
  		case CFG_SORTVALS: {
  			ADlist *svnew = NULL, *svtail, *sv;
  
  			for ( i = 1; i < c->argc; i++ ) {
  				AttributeDescription *ad = NULL;
  				const char *text;
  				int rc;
  
  				rc = slap_str2ad( c->argv[i], &ad, &text );
  				if ( rc ) {
  					snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unknown attribute type #%d",
  						c->argv[0], i );
  sortval_reject:
  					Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
  						c->log, c->cr_msg, c->argv[i] );
  					for ( sv = svnew; sv; sv = svnew ) {
  						svnew = sv->al_next;
  						ch_free( sv );
  					}
  					return 1;
  				}
  				if (( ad->ad_type->sat_flags & SLAP_AT_ORDERED ) ||
  					ad->ad_type->sat_single_value ) {
  					snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> inappropriate attribute type #%d",
  						c->argv[0], i );
  					goto sortval_reject;
  				}
  				sv = ch_malloc( sizeof( ADlist ));
  				sv->al_desc = ad;
  				if ( !svnew ) {
  					svnew = sv;
  				} else {
  					svtail->al_next = sv;
  				}
  				svtail = sv;
  			}
  			sv->al_next = NULL;
  			for ( sv = svnew; sv; sv = sv->al_next )
  				sv->al_desc->ad_type->sat_flags |= SLAP_AT_SORTED_VAL;
  			for ( sv = sortVals; sv && sv->al_next; sv = sv->al_next );
  			if ( sv )
  				sv->al_next = svnew;
  			else
  				sortVals = svnew;
  			}
  			break;
  
  		case CFG_ACL:
  			if ( SLAP_CONFIG( c->be ) && c->be->be_acl == defacl_parsed) {
  				c->be->be_acl = NULL;
  			}
  			/* Don't append to the global ACL if we're on a specific DB */
  			i = c->valx;
  			if ( c->valx == -1 ) {
  				AccessControl *a;
  				i = 0;
  				for ( a=c->be->be_acl; a; a = a->acl_next )
  					i++;
  			}
  			if ( parse_acl(c->be, c->fname, c->lineno, c->argc, c->argv, i ) ) {
  				if ( SLAP_CONFIG( c->be ) && !c->be->be_acl) {
  					c->be->be_acl = defacl_parsed;
  				}
  				return 1;
  			}
  			break;
  
  		case CFG_ACL_ADD:
  			if(c->value_int)
  				SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_ACL_ADD;
  			else
  				SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_ACL_ADD;
  			break;
  
  		case CFG_ROOTDSE:
  			if(root_dse_read_file(c->argv[1])) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> could not read file", c->argv[0] );
  				Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
  					c->log, c->cr_msg, c->argv[1] );
  				return(1);
  			}
  			{
  				struct berval bv;
  				ber_str2bv( c->argv[1], 0, 1, &bv );
  				if ( c->op == LDAP_MOD_ADD && c->ca_private && cfn != c->ca_private )
  					cfn = c->ca_private;
  				ber_bvarray_add( &cfn->c_dseFiles, &bv );
  			}
  			break;
  
  		case CFG_SERVERID:
  			{
  				ServerID *si, **sip;
  				LDAPURLDesc *lud;
  				int num;
  				if (( lutil_atoi( &num, c->argv[1] ) &&	
  					lutil_atoix( &num, c->argv[1], 16 )) ||
  					num < 0 || num > SLAP_SYNC_SID_MAX )
  				{
  					snprintf( c->cr_msg, sizeof( c->cr_msg ),
  						"<%s> illegal server ID", c->argv[0] );
  					Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
  						c->log, c->cr_msg, c->argv[1] );
  					return 1;
  				}
  				/* only one value allowed if no URL is given */
  				if ( c->argc > 2 ) {
  					int len;
  
  					if ( sid_list && BER_BVISEMPTY( &sid_list->si_url )) {
  						snprintf( c->cr_msg, sizeof( c->cr_msg ),
  							"<%s> only one server ID allowed now", c->argv[0] );
  						Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
  							c->log, c->cr_msg, c->argv[1] );
  						return 1;
  					}
  
  					if ( ldap_url_parse( c->argv[2], &lud )) {
  						snprintf( c->cr_msg, sizeof( c->cr_msg ),
  							"<%s> invalid URL", c->argv[0] );
  						Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
  							c->log, c->cr_msg, c->argv[2] );
  						return 1;
  					}
  					len = strlen( c->argv[2] );
  					si = ch_malloc( sizeof(ServerID) + len + 1 );
  					si->si_url.bv_val = (char *)(si+1);
  					si->si_url.bv_len = len;
  					strcpy( si->si_url.bv_val, c->argv[2] );
  				} else {
  					if ( sid_list ) {
  						snprintf( c->cr_msg, sizeof( c->cr_msg ),
  							"<%s> unqualified server ID not allowed now", c->argv[0] );
  						Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
  							c->log, c->cr_msg, c->argv[1] );
  						return 1;
  					}
  					si = ch_malloc( sizeof(ServerID) );
  					BER_BVZERO( &si->si_url );
  					slap_serverID = num;
  					Debug( LDAP_DEBUG_CONFIG,
  						"%s: SID=0x%03x\n",
  						c->log, slap_serverID );
  					sid_set = si;
  				}
  				si->si_next = NULL;
  				si->si_num = num;
  				for ( sip = &sid_list; *sip; sip = &(*sip)->si_next );
  				*sip = si;
  
  				if (( slapMode & SLAP_SERVER_MODE ) && c->argc > 2 ) {
  					Listener *l = config_check_my_url( c->argv[2], lud );
  					if ( l ) {
  						if ( sid_set ) {
  							ldap_free_urldesc( lud );
  							snprintf( c->cr_msg, sizeof( c->cr_msg ),
  								"<%s> multiple server ID URLs matched, only one is allowed", c->argv[0] );
  							Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
  								c->log, c->cr_msg, c->argv[1] );
  							return 1;
  						}
  						slap_serverID = si->si_num;
  						Debug( LDAP_DEBUG_CONFIG,
  							"%s: SID=0x%03x (listener=%s)\n",
  							c->log, slap_serverID,
  							l->sl_url.bv_val );
  						sid_set = si;
  					}
  				}
  				if ( c->argc > 2 )
  					ldap_free_urldesc( lud );
  			}
  			break;
  		case CFG_LOGFILE: {
  				if ( logfileName ) ch_free( logfileName );
  				logfileName = c->value_string;
  				logfile = fopen(logfileName, "w");
  				if(logfile) lutil_debug_file(logfile);
  			} break;
  
  		case CFG_LASTMOD:
  			if(SLAP_NOLASTMODCMD(c->be)) {
  				snprintf( c->cr_msg, sizeof( c->cr_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->cr_msg );
  				return(1);
  			}
  			if(c->value_int)
  				SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_NOLASTMOD;
  			else
  				SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_NOLASTMOD;
  			break;
  
  		case CFG_LASTBIND:
  			if (c->value_int)
  				SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_LASTBIND;
  			else
  				SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_LASTBIND;
  			break;
  
  		case CFG_MULTIPROVIDER:
  			if(c->value_int && !SLAP_SHADOW(c->be)) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> database is not a shadow",
  					c->argv[0] );
  				Debug(LDAP_DEBUG_ANY, "%s: %s\n",
  					c->log, c->cr_msg );
  				return(1);
  			}
  			if(c->value_int) {
  				SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_SINGLE_SHADOW;
  				SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_MULTI_SHADOW;
  			} else {
  				SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_SINGLE_SHADOW;
  				SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_MULTI_SHADOW;
  			}
  			break;
  
  		case CFG_MONITORING:
  			if(c->value_int)
  				SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_MONITORING;
  			else
  				SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_MONITORING;
  			break;
  
  		case CFG_DISABLED:
  			if ( c->bi ) {
  				if (c->value_int) {
  					if ( c->bi->bi_db_close ) {
  						BackendInfo *bi_orig = c->be->bd_info;
  						c->be->bd_info = c->bi;
  						c->bi->bi_db_close( c->be, &c->reply );
  						c->be->bd_info = bi_orig;
  					}
  					c->bi->bi_flags |= SLAPO_BFLAG_DISABLED;
  				} else {
  					c->bi->bi_flags &= ~SLAPO_BFLAG_DISABLED;
  				}
  			} else {
  				if (c->value_int) {
  					backend_shutdown( c->be );
  					SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_DISABLED;
  				} else {
  					SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_DISABLED;
  				}
  			}
  			break;
  
  		case CFG_HIDDEN:
  			if (c->value_int)
  				SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_HIDDEN;
  			else
  				SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_HIDDEN;
  			break;
  
  		case CFG_SYNC_SUBENTRY:
  			if (c->value_int)
  				SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_SYNC_SUBENTRY;
  			else
  				SLAP_DBFLAGS(c->be) &= ~SLAP_DBFLAG_SYNC_SUBENTRY;
  			break;
  
  		case CFG_SSTR_IF_MAX:
  			if (c->value_uint < index_substr_if_minlen) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> invalid value", c->argv[0] );
  				Debug(LDAP_DEBUG_ANY, "%s: %s (%d)\n",
  					c->log, c->cr_msg, c->value_int );
  				return(1);
  			}
  			index_substr_if_maxlen = c->value_uint;
  			break;
  
  		case CFG_SSTR_IF_MIN:
  			if (c->value_uint > index_substr_if_maxlen) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> invalid value", c->argv[0] );
  				Debug(LDAP_DEBUG_ANY, "%s: %s (%d)\n",
  					c->log, c->cr_msg, c->value_int );
  				return(1);
  			}
  			index_substr_if_minlen = c->value_uint;
  			break;
  
  #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->ca_private && modcur != c->ca_private ) {
  				modcur = c->ca_private;
  				/* This should never fail */
  				if ( module_path( modcur->mp_path.bv_val )) {
  					snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> module path no longer valid",
  						c->argv[0] );
  					Debug(LDAP_DEBUG_ANY, "%s: %s (%s)\n",
  						c->log, c->cr_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;
  				if ( c->op == SLAP_CONFIG_ADD ) {
  					ptr = c->line + STRLENOF("moduleload");
  					while (!isspace((unsigned char) *ptr)) ptr++;
  					while (isspace((unsigned char) *ptr)) ptr++;
  				} else {
  					ptr = c->line;
  				}
  				ber_str2bv(ptr, 0, 1, &bv);
  				ber_bvarray_add( &modcur->mp_loads, &bv );
  			}
  			/* Check for any new hardcoded schema */
  			if ( c->op == LDAP_MOD_ADD && CONFIG_ONLINE_ADD( c )) {
  				config_check_schema( NULL, &cfBackInfo );
  			}
  			break;
  
  		case CFG_MODPATH:
  			if(module_path(c->argv[1])) return(1);
  			/* Record which path was used with each module */
  			{
  				ModPaths *mp;
  
  				if (!modpaths.mp_loads) {
  					mp = &modpaths;
  				} else {
  					mp = ch_malloc( sizeof( ModPaths ));
  					modlast->mp_next = mp;
  				}
  				ber_str2bv(c->argv[1], 0, 1, &mp->mp_path);
  				mp->mp_next = NULL;
  				mp->mp_loads = NULL;
  				modlast = mp;
  				c->ca_private = mp;
  				modcur = mp;
  			}
  			
  			break;
  #endif
  
  #ifdef LDAP_SLAPI
  		case CFG_PLUGIN:
  			if(slapi_int_read_config(c->be, c->fname, c->lineno, c->argc, c->argv, c->valx) != LDAP_SUCCESS)
  				return(1);
  			slapi_plugins_used++;
  			break;
  #endif
  
  		case CFG_REWRITE: {
  			int rc;
  
  			if ( c->op == LDAP_MOD_ADD ) {
  				c->argv++;
  				c->argc--;
  			}
  			rc = slap_sasl_rewrite_config(c->fname, c->lineno, c->argc, c->argv, c->valx);
  			if ( c->op == LDAP_MOD_ADD ) {
  				c->argv--;
  				c->argc++;
  			}
  			return rc;
  			}
  
  
  		default:
  			Debug( LDAP_DEBUG_ANY,
  				"%s: unknown CFG_TYPE %d.\n",
  				c->log, c->type );
  			return 1;
  
  	}
  	return(0);
  }
  
  
  static int
  config_fname(ConfigArgs *c) {
  	if(c->op == SLAP_CONFIG_EMIT) {
  		if (c->ca_private) {
  			ConfigFile *cf = c->ca_private;
  			value_add_one( &c->rvalue_vals, &cf->c_file );
  			return 0;
  		}
  		return 1;
  	}
  	return(0);
  }
  
  static int
  config_cfdir(ConfigArgs *c) {
  	if(c->op == SLAP_CONFIG_EMIT) {
  		if ( !BER_BVISEMPTY( &cfdir )) {
  			value_add_one( &c->rvalue_vals, &cfdir );
  			return 0;
  		}
  		return 1;
  	}
  	return(0);
  }
  
  static int
  config_search_base(ConfigArgs *c) {
  	if(c->op == SLAP_CONFIG_EMIT) {
  		int rc = 1;
  		if (!BER_BVISEMPTY(&default_search_base)) {
  			value_add_one(&c->rvalue_vals, &default_search_base);
  			value_add_one(&c->rvalue_nvals, &default_search_nbase);
  			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) {
  		Debug(LDAP_DEBUG_ANY, "%s: defaultSearchBase line must appear "
  			"prior to any backend or database definition\n",
  			c->log );
  		return(1);
  	}
  
  	if(default_search_nbase.bv_len) {
  		free(default_search_base.bv_val);
  		free(default_search_nbase.bv_val);
  	}
  
  	default_search_base = c->value_dn;
  	default_search_nbase = c->value_ndn;
  	return(0);
  }
  
  /* For RE23 compatibility we allow this in the global entry
   * but we now defer it to the frontend entry to allow modules
   * to load new hash types.
   */
  static int
  config_passwd_hash(ConfigArgs *c) {
  	int i;
  	if (c->op == SLAP_CONFIG_EMIT) {
  		struct berval bv;
  		/* Don't generate it in the global entry */
  		if ( c->table == Cft_Global )
  			return 1;
  		for (i=0; default_passwd_hash && default_passwd_hash[i]; i++) {
  			ber_str2bv(default_passwd_hash[i], 0, 0, &bv);
  			value_add_one(&c->rvalue_vals, &bv);
  		}
  		return i ? 0 : 1;
  	} else if ( c->op == LDAP_MOD_DELETE ) {
  		/* Deleting from global is a no-op, only the frontendDB entry matters */
  		if ( c->table == Cft_Global )
  			return 0;
  		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;
  	}
  	for(i = 1; i < c->argc; i++) {
  		if(!lutil_passwd_scheme(c->argv[i])) {
  			snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> scheme not available", c->argv[0] );
  			Debug(LDAP_DEBUG_ANY, "%s: %s (%s)\n",
  				c->log, c->cr_msg, c->argv[i]);
  		} else {
  			ldap_charray_add(&default_passwd_hash, c->argv[i]);
  		}
  	}
  	if(!default_passwd_hash) {
  		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> no valid hashes found", c->argv[0] );
  		Debug(LDAP_DEBUG_ANY, "%s: %s\n",
  			c->log, c->cr_msg );
  		return(1);
  	}
  	return(0);
  }
  
  static int
  config_schema_dn(ConfigArgs *c) {
  	if ( c->op == SLAP_CONFIG_EMIT ) {
  		int rc = 1;
  		if ( !BER_BVISEMPTY( &c->be->be_schemadn )) {
  			value_add_one(&c->rvalue_vals, &c->be->be_schemadn);
  			value_add_one(&c->rvalue_nvals, &c->be->be_schemandn);
  			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);
  }
  
  static int
  config_sizelimit(ConfigArgs *c) {
  	int i, rc = 0;
  	struct slap_limits_set *lim = &c->be->be_def_limit;
  	if (c->op == SLAP_CONFIG_EMIT) {
  		char buf[8192];
  		struct berval bv;
  		bv.bv_val = buf;
  		bv.bv_len = 0;
  		limits_unparse_one( lim, SLAP_LIMIT_SIZE, &bv, sizeof( buf ) );
  		if ( !BER_BVISEMPTY( &bv ))
  			value_add_one( &c->rvalue_vals, &bv );
  		else
  			rc = 1;
  		return rc;
  	} else if ( c->op == LDAP_MOD_DELETE ) {
  		/* Reset to defaults or values from frontend */
  		if ( c->be == frontendDB ) {
  			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;
  		} else {
  			lim->lms_s_soft = frontendDB->be_def_limit.lms_s_soft;
  			lim->lms_s_hard = frontendDB->be_def_limit.lms_s_hard;
  			lim->lms_s_unchecked = frontendDB->be_def_limit.lms_s_unchecked;
  			lim->lms_s_pr = frontendDB->be_def_limit.lms_s_pr;
  			lim->lms_s_pr_hide = frontendDB->be_def_limit.lms_s_pr_hide;
  			lim->lms_s_pr_total = frontendDB->be_def_limit.lms_s_pr_total;
  		}
  		goto ok;
  	}
  	for(i = 1; i < c->argc; i++) {
  		if(!strncasecmp(c->argv[i], "size", 4)) {
  			rc = limits_parse_one(c->argv[i], lim);
  			if ( rc ) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unable to parse value", c->argv[0] );
  				Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
  					c->log, c->cr_msg, c->argv[i]);
  				return(1);
  			}
  		} else {
  			if(!strcasecmp(c->argv[i], "unlimited")) {
  				lim->lms_s_soft = -1;
  			} else {
  				if ( lutil_atoix( &lim->lms_s_soft, c->argv[i], 0 ) != 0 ) {
  					snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unable to parse limit", c->argv[0]);
  					Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
  						c->log, c->cr_msg, c->argv[i]);
  					return(1);
  				}
  			}
  			lim->lms_s_hard = 0;
  		}
  	}
  
  ok:
  	if ( ( c->be == frontendDB ) && ( c->ca_entry ) ) {
  		/* This is a modification to the global limits apply it to
  		 * the other databases as needed */
  		AttributeDescription *ad=NULL;
  		const char *text = NULL;
  		CfEntryInfo *ce = c->ca_entry->e_private;
  
  		slap_str2ad(c->argv[0], &ad, &text);
  		/* if we got here... */
  		assert( ad != NULL );
  
  		if ( ce->ce_type == Cft_Global ){
  			ce = ce->ce_kids;
  		}
  		for (; ce; ce=ce->ce_sibs) {
  			Entry *dbe = ce->ce_entry;
  			if ( (ce->ce_type == Cft_Database) && (ce->ce_be != frontendDB)
  					&& (!attr_find(dbe->e_attrs, ad)) ) {
  				ce->ce_be->be_def_limit.lms_s_soft = lim->lms_s_soft;
  				ce->ce_be->be_def_limit.lms_s_hard = lim->lms_s_hard;
  				ce->ce_be->be_def_limit.lms_s_unchecked =lim->lms_s_unchecked;
  				ce->ce_be->be_def_limit.lms_s_pr =lim->lms_s_pr;
  				ce->ce_be->be_def_limit.lms_s_pr_hide =lim->lms_s_pr_hide;
  				ce->ce_be->be_def_limit.lms_s_pr_total =lim->lms_s_pr_total;
  			}
  		}
  	}
  	return(0);
  }
  
  static int
  config_timelimit(ConfigArgs *c) {
  	int i, rc = 0;
  	struct slap_limits_set *lim = &c->be->be_def_limit;
  	if (c->op == SLAP_CONFIG_EMIT) {
  		char buf[8192];
  		struct berval bv;
  		bv.bv_val = buf;
  		bv.bv_len = 0;
  		limits_unparse_one( lim, SLAP_LIMIT_TIME, &bv, sizeof( buf ) );
  		if ( !BER_BVISEMPTY( &bv ))
  			value_add_one( &c->rvalue_vals, &bv );
  		else
  			rc = 1;
  		return rc;
  	} else if ( c->op == LDAP_MOD_DELETE ) {
  		/* Reset to defaults or values from frontend */
  		if ( c->be == frontendDB ) {
  			lim->lms_t_soft = SLAPD_DEFAULT_TIMELIMIT;
  			lim->lms_t_hard = 0;
  		} else {
  			lim->lms_t_soft = frontendDB->be_def_limit.lms_t_soft;
  			lim->lms_t_hard = frontendDB->be_def_limit.lms_t_hard;
  		}
  		goto ok;
  	}
  	for(i = 1; i < c->argc; i++) {
  		if(!strncasecmp(c->argv[i], "time", 4)) {
  			rc = limits_parse_one(c->argv[i], lim);
  			if ( rc ) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unable to parse value", c->argv[0] );
  				Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
  					c->log, c->cr_msg, c->argv[i]);
  				return(1);
  			}
  		} else {
  			if(!strcasecmp(c->argv[i], "unlimited")) {
  				lim->lms_t_soft = -1;
  			} else {
  				if ( lutil_atoix( &lim->lms_t_soft, c->argv[i], 0 ) != 0 ) {
  					snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unable to parse limit", c->argv[0]);
  					Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
  						c->log, c->cr_msg, c->argv[i]);
  					return(1);
  				}
  			}
  			lim->lms_t_hard = 0;
  		}
  	}
  
  ok:
  	if ( ( c->be == frontendDB ) && ( c->ca_entry ) ) {
  		/* This is a modification to the global limits apply it to
  		 * the other databases as needed */
  		AttributeDescription *ad=NULL;
  		const char *text = NULL;
  		CfEntryInfo *ce = c->ca_entry->e_private;
  
  		slap_str2ad(c->argv[0], &ad, &text);
  		/* if we got here... */
  		assert( ad != NULL );
  
  		if ( ce->ce_type == Cft_Global ){
  			ce = ce->ce_kids;
  		}
  		for (; ce; ce=ce->ce_sibs) {
  			Entry *dbe = ce->ce_entry;
  			if ( (ce->ce_type == Cft_Database) && (ce->ce_be != frontendDB)
  					&& (!attr_find(dbe->e_attrs, ad)) ) {
  				ce->ce_be->be_def_limit.lms_t_soft = lim->lms_t_soft;
  				ce->ce_be->be_def_limit.lms_t_hard = lim->lms_t_hard;
  			}
  		}
  	}
  	return(0);
  }
  
  static int
  config_overlay(ConfigArgs *c) {
  	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],
  		c->valx, &c->bi, &c->reply)) {
  		/* log error */
  		Debug( LDAP_DEBUG_ANY,
  			"%s: (optional) %s overlay \"%s\" configuration failed.\n",
  			c->log, c->be == frontendDB ? "global " : "", &c->argv[1][1]);
  		return 1;
  	} else if(overlay_config(c->be, c->argv[1], c->valx, &c->bi, &c->reply)) {
  		return(1);
  	}
  	return(0);
  }
  
  static int
  config_subordinate(ConfigArgs *c)
  {
  	int rc = 1;
  	int advertise = 0;
  
  	switch( c->op ) {
  	case SLAP_CONFIG_EMIT:
  		if ( SLAP_GLUE_SUBORDINATE( c->be )) {
  			struct berval bv;
  
  			bv.bv_val = SLAP_GLUE_ADVERTISE( c->be ) ? "advertise" : "TRUE";
  			bv.bv_len = SLAP_GLUE_ADVERTISE( c->be ) ? STRLENOF("advertise") :
  				STRLENOF("TRUE");
  
  			value_add_one( &c->rvalue_vals, &bv );
  			rc = 0;
  		}
  		break;
  	case LDAP_MOD_DELETE:
  		if ( !c->line  || strcasecmp( c->line, "advertise" )) {
  			glue_sub_del( c->be );
  		} else {
  			SLAP_DBFLAGS( c->be ) &= ~SLAP_DBFLAG_GLUE_ADVERTISE;
  		}
  		rc = 0;
  		break;
  	case LDAP_MOD_ADD:
  	case SLAP_CONFIG_ADD:
  		if ( c->be->be_nsuffix == NULL ) {
  			/* log error */
  			snprintf( c->cr_msg, sizeof( c->cr_msg),
  				"subordinate configuration needs a suffix" );
  			Debug( LDAP_DEBUG_ANY,
  				"%s: %s.\n",
  				c->log, c->cr_msg );
  			rc = 1;
  			break;
  		}
  
  		if ( c->argc == 2 ) {
  			if ( strcasecmp( c->argv[1], "advertise" ) == 0 ) {
  				advertise = 1;
  
  			} else if ( strcasecmp( c->argv[1], "TRUE" ) != 0 ) {
  				/* log error */
  				snprintf( c->cr_msg, sizeof( c->cr_msg),
  					"subordinate must be \"TRUE\" or \"advertise\"" );
  				Debug( LDAP_DEBUG_ANY,
  					"%s: suffix \"%s\": %s.\n",
  					c->log, c->be->be_suffix[0].bv_val, c->cr_msg );
  				rc = 1;
  				break;
  			}
  		}
  
  		rc = glue_sub_add( c->be, advertise, CONFIG_ONLINE_ADD( c ));
  		break;
  	}
  
  	return rc;
  }
  
  /*
   * [listener=<listener>] [{read|write}=]<size>
   */
  
  #ifdef LDAP_TCP_BUFFER
  static BerVarray tcp_buffer;
  int tcp_buffer_num;
  
  #define SLAP_TCP_RMEM (0x1U)
  #define SLAP_TCP_WMEM (0x2U)
  
  static int
  tcp_buffer_parse( struct berval *val, int argc, char **argv,
  		int *size, int *rw, Listener **l )
  {
  	int i, rc = LDAP_SUCCESS;
  	LDAPURLDesc *lud = NULL;
  	char *ptr;
  
  	if ( val != NULL && argv == NULL ) {
  		char *s = val->bv_val;
  
  		argv = ldap_str2charray( s, " \t" );
  		if ( argv == NULL ) {
  			return LDAP_OTHER;
  		}
  	}
  
  	i = 0;
  	if ( strncasecmp( argv[ i ], "listener=", STRLENOF( "listener=" ) )
  		== 0 )
  	{
  		char *url = argv[ i ] + STRLENOF( "listener=" );
  		
  		if ( ldap_url_parse( url, &lud ) ) {
  			rc = LDAP_INVALID_SYNTAX;
  			goto done;
  		}
  
  		*l = config_check_my_url( url, lud );
  		if ( *l == NULL ) {
  			rc = LDAP_NO_SUCH_ATTRIBUTE;
  			goto done;
  		}
  
  		i++;
  	}
  
  	ptr = argv[ i ];
  	if ( strncasecmp( ptr, "read=", STRLENOF( "read=" ) ) == 0 ) {
  		*rw |= SLAP_TCP_RMEM;
  		ptr += STRLENOF( "read=" );
  
  	} else if ( strncasecmp( ptr, "write=", STRLENOF( "write=" ) ) == 0 ) {
  		*rw |= SLAP_TCP_WMEM;
  		ptr += STRLENOF( "write=" );
  
  	} else {
  		*rw |= ( SLAP_TCP_RMEM | SLAP_TCP_WMEM );
  	}
  
  	/* accept any base */
  	if ( lutil_atoix( size, ptr, 0 ) ) {
  		rc = LDAP_INVALID_SYNTAX;
  		goto done;
  	}
  
  done:;
  	if ( val != NULL && argv != NULL ) {
  		ldap_charray_free( argv );
  	}
  
  	if ( lud != NULL ) {
  		ldap_free_urldesc( lud );
  	}
  
  	return rc;
  }
  
  static int
  tcp_buffer_delete_one( struct berval *val )
  {
  	int rc = 0;
  	int size = -1, rw = 0;
  	Listener *l = NULL;
  
  	rc = tcp_buffer_parse( val, 0, NULL, &size, &rw, &l );
  	if ( rc != 0 ) {
  		return rc;
  	}
  
  	if ( l != NULL ) {
  		int i;
  		Listener **ll = slapd_get_listeners();
  
  		for ( i = 0; ll[ i ] != NULL; i++ ) {
  			if ( ll[ i ] == l ) break;
  		}
  
  		if ( ll[ i ] == NULL ) {
  			return LDAP_NO_SUCH_ATTRIBUTE;
  		}
  
  		if ( rw & SLAP_TCP_RMEM ) l->sl_tcp_rmem = -1;
  		if ( rw & SLAP_TCP_WMEM ) l->sl_tcp_wmem = -1;
  
  		for ( i++ ; ll[ i ] != NULL && bvmatch( &l->sl_url, &ll[ i ]->sl_url ); i++ ) {
  			if ( rw & SLAP_TCP_RMEM ) ll[ i ]->sl_tcp_rmem = -1;
  			if ( rw & SLAP_TCP_WMEM ) ll[ i ]->sl_tcp_wmem = -1;
  		}
  
  	} else {
  		/* NOTE: this affects listeners without a specific setting,
  		 * does not reset all listeners.  If a listener without
  		 * specific settings was assigned a buffer because of
  		 * a global setting, it will not be reset.  In any case,
  		 * buffer changes will only take place at restart. */
  		if ( rw & SLAP_TCP_RMEM ) slapd_tcp_rmem = -1;
  		if ( rw & SLAP_TCP_WMEM ) slapd_tcp_wmem = -1;
  	}
  
  	return rc;
  }
  
  static int
  tcp_buffer_delete( BerVarray vals )
  {
  	int i;
  
  	for ( i = 0; !BER_BVISNULL( &vals[ i ] ); i++ ) {
  		tcp_buffer_delete_one( &vals[ i ] );
  	}
  
  	return 0;
  }
  
  static int
  tcp_buffer_unparse( int size, int rw, Listener *l, struct berval *val )
  {
  	char buf[sizeof("2147483648")], *ptr;
  
  	/* unparse for later use */
  	val->bv_len = snprintf( buf, sizeof( buf ), "%d", size );
  	if ( l != NULL ) {
  		val->bv_len += STRLENOF( "listener=" " " ) + l->sl_url.bv_len;
  	}
  
  	if ( rw != ( SLAP_TCP_RMEM | SLAP_TCP_WMEM ) ) {
  		if ( rw & SLAP_TCP_RMEM ) {
  			val->bv_len += STRLENOF( "read=" );
  		} else if ( rw & SLAP_TCP_WMEM ) {
  			val->bv_len += STRLENOF( "write=" );
  		}
  	}
  
  	val->bv_val = ch_malloc( val->bv_len + 1 );
  
  	ptr = val->bv_val;
  
  	if ( l != NULL ) {
  		ptr = lutil_strcopy( ptr, "listener=" );
  		ptr = lutil_strncopy( ptr, l->sl_url.bv_val, l->sl_url.bv_len );
  		*ptr++ = ' ';
  	}
  
  	if ( rw != ( SLAP_TCP_RMEM | SLAP_TCP_WMEM ) ) {
  		if ( rw & SLAP_TCP_RMEM ) {
  			ptr = lutil_strcopy( ptr, "read=" );
  		} else if ( rw & SLAP_TCP_WMEM ) {
  			ptr = lutil_strcopy( ptr, "write=" );
  		}
  	}
  
  	ptr = lutil_strcopy( ptr, buf );
  	*ptr = '\0';
  
  	assert( val->bv_val + val->bv_len == ptr );
  
  	return LDAP_SUCCESS;
  }
  
  static int
  tcp_buffer_add_one( int argc, char **argv )
  {
  	int rc = 0;
  	int size = -1, rw = 0;
  	Listener *l = NULL;
  
  	struct berval val;
  
  	/* parse */
  	rc = tcp_buffer_parse( NULL, argc, argv, &size, &rw, &l );
  	if ( rc != 0 ) {
  		return rc;
  	}
  
  	/* unparse for later use */
  	rc = tcp_buffer_unparse( size, rw, l, &val );
  	if ( rc != LDAP_SUCCESS ) {
  		return rc;
  	}
  
  	/* use parsed values */
  	if ( l != NULL ) {
  		int i;
  		Listener **ll = slapd_get_listeners();
  
  		for ( i = 0; ll[ i ] != NULL; i++ ) {
  			if ( ll[ i ] == l ) break;
  		}
  
  		if ( ll[ i ] == NULL ) {
  			return LDAP_NO_SUCH_ATTRIBUTE;
  		}
  
  		/* buffer only applies to TCP listeners;
  		 * we do not do any check here, and delegate them
  		 * to setsockopt(2) */
  		if ( rw & SLAP_TCP_RMEM ) l->sl_tcp_rmem = size;
  		if ( rw & SLAP_TCP_WMEM ) l->sl_tcp_wmem = size;
  
  		for ( i++ ; ll[ i ] != NULL && bvmatch( &l->sl_url, &ll[ i ]->sl_url ); i++ ) {
  			if ( rw & SLAP_TCP_RMEM ) ll[ i ]->sl_tcp_rmem = size;
  			if ( rw & SLAP_TCP_WMEM ) ll[ i ]->sl_tcp_wmem = size;
  		}
  
  	} else {
  		/* NOTE: this affects listeners without a specific setting,
  		 * does not set all listeners */
  		if ( rw & SLAP_TCP_RMEM ) slapd_tcp_rmem = size;
  		if ( rw & SLAP_TCP_WMEM ) slapd_tcp_wmem = size;
  	}
  
  	tcp_buffer = ch_realloc( tcp_buffer, sizeof( struct berval ) * ( tcp_buffer_num + 2 ) );
  	/* append */
  	tcp_buffer[ tcp_buffer_num ] = val;
  
  	tcp_buffer_num++;
  	BER_BVZERO( &tcp_buffer[ tcp_buffer_num ] );
  
  	return rc;
  }
  
  static int
  config_tcp_buffer( ConfigArgs *c )
  {
  	if ( c->op == SLAP_CONFIG_EMIT ) {
  		if ( tcp_buffer == NULL || BER_BVISNULL( &tcp_buffer[ 0 ] ) ) {
  			return 1;
  		}
  		value_add( &c->rvalue_vals, tcp_buffer );
  		value_add( &c->rvalue_nvals, tcp_buffer );
  		
  	} else if ( c->op == LDAP_MOD_DELETE ) {
  		if ( !c->line  ) {
  			tcp_buffer_delete( tcp_buffer );
  			ber_bvarray_free( tcp_buffer );
  			tcp_buffer = NULL;
  			tcp_buffer_num = 0;
  
  		} else {
  			int rc = 0;
  			int size = -1, rw = 0;
  			Listener *l = NULL;
  
  			struct berval val = BER_BVNULL;
  
  			int i;
  
  			if ( tcp_buffer_num == 0 ) {
  				return 1;
  			}
  
  			/* parse */
  			rc = tcp_buffer_parse( NULL, c->argc - 1, &c->argv[ 1 ], &size, &rw, &l );
  			if ( rc != 0 ) {
  				return 1;
  			}
  
  			/* unparse for later use */
  			rc = tcp_buffer_unparse( size, rw, l, &val );
  			if ( rc != LDAP_SUCCESS ) {
  				return 1;
  			}
  
  			for ( i = 0; !BER_BVISNULL( &tcp_buffer[ i ] ); i++ ) {
  				if ( bvmatch( &tcp_buffer[ i ], &val ) ) {
  					break;
  				}
  			}
  
  			if ( BER_BVISNULL( &tcp_buffer[ i ] ) ) {
  				/* not found */
  				rc = 1;
  				goto done;
  			}
  
  			tcp_buffer_delete_one( &tcp_buffer[ i ] );
  			ber_memfree( tcp_buffer[ i ].bv_val );
  			for ( ; i < tcp_buffer_num; i++ ) {
  				tcp_buffer[ i ] = tcp_buffer[ i + 1 ];
  			}
  			tcp_buffer_num--;
  
  done:;
  			if ( !BER_BVISNULL( &val ) ) {
  				SLAP_FREE( val.bv_val );
  			}
  	
  		}
  
  	} else {
  		int rc;
  
  		rc = tcp_buffer_add_one( c->argc - 1, &c->argv[ 1 ] );
  		if ( rc ) {
  			snprintf( c->cr_msg, sizeof( c->cr_msg ),
  				"<%s> unable to add value #%d",
  				c->argv[0], tcp_buffer_num );
  			Debug( LDAP_DEBUG_ANY, "%s: %s\n",
  				c->log, c->cr_msg );
  			return 1;
  		}
  	}
  
  	return 0;
  }
  #endif /* LDAP_TCP_BUFFER */
  
  static int
  config_suffix(ConfigArgs *c)
  {
  	Backend *tbe;
  	struct berval pdn, ndn;
  	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;
  
  		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
  				|| BER_BVISNULL( &c->be->be_suffix[0] ) )
  		{
  			return 1;
  		} else {
  			value_add( &c->rvalue_vals, c->be->be_suffix );
  			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 );
  			do {
  				c->be->be_suffix[i] = c->be->be_suffix[i+1];
  				c->be->be_nsuffix[i] = c->be->be_nsuffix[i+1];
  				i++;
  			} while ( !BER_BVISNULL( &c->be->be_suffix[i] ) );
  		}
  		return 0;
  	}
  
  #ifdef SLAPD_MONITOR_DN
  	if(!strcasecmp(c->argv[1], SLAPD_MONITOR_DN)) {
  		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> DN is reserved for monitoring slapd",
  			c->argv[0] );
  		Debug(LDAP_DEBUG_ANY, "%s: %s (%s)\n",
  			c->log, c->cr_msg, SLAPD_MONITOR_DN);
  		return(1);
  	}
  #endif
  
  	if (SLAP_DB_ONE_SUFFIX( c->be ) && c->be->be_suffix &&
  		!BER_BVISNULL( &c->be->be_suffix[0] )) {
  		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> Only one suffix is allowed on this %s backend",
  			c->argv[0], c->be->bd_info->bi_type );
  		Debug(LDAP_DEBUG_ANY, "%s: %s\n",
  			c->log, c->cr_msg );
  		return(1);
  	}
  
  	pdn = c->value_dn;
  	ndn = c->value_ndn;
  
  	if (SLAP_DBHIDDEN( c->be ))
  		tbe = NULL;
  	else
  		tbe = select_backend(&ndn, 0);
  	if(tbe == c->be) {
  		Debug( LDAP_DEBUG_ANY, "%s: suffix already served by this backend!.\n",
  			c->log );
  		free(pdn.bv_val);
  		free(ndn.bv_val);
  		return 1;
  	} else if(tbe) {
  		BackendDB *b2 = tbe;
  
  		/* Does tbe precede be? */
  		while (( b2 = LDAP_STAILQ_NEXT(b2, be_next )) && b2 && b2 != c->be );
  
  		if ( b2 ) {
  			char	*type = tbe->bd_info->bi_type;
  
  			if ( overlay_is_over( tbe ) ) {
  				slap_overinfo	*oi = (slap_overinfo *)tbe->bd_info->bi_private;
  				type = oi->oi_orig->bi_type;
  			}
  
  			snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> namingContext \"%s\" "
  				"already served by a preceding %s database",
  				c->argv[0], pdn.bv_val, type );
  			Debug(LDAP_DEBUG_ANY, "%s: %s serving namingContext \"%s\"\n",
  				c->log, c->cr_msg, tbe->be_suffix[0].bv_val);
  			free(pdn.bv_val);
  			free(ndn.bv_val);
  			return(1);
  		}
  	}
  	if(pdn.bv_len == 0 && default_search_nbase.bv_len) {
  		Debug(LDAP_DEBUG_ANY, "%s: suffix DN empty and default search "
  			"base provided \"%s\" (assuming okay)\n",
  			c->log, default_search_base.bv_val );
  	}
  	ber_bvarray_add(&c->be->be_suffix, &pdn);
  	ber_bvarray_add(&c->be->be_nsuffix, &ndn);
  	return(0);
  }
  
  static int
  config_rootdn(ConfigArgs *c) {
  	if (c->op == SLAP_CONFIG_EMIT) {
  		if ( !BER_BVISNULL( &c->be->be_rootdn )) {
  			value_add_one(&c->rvalue_vals, &c->be->be_rootdn);
  			value_add_one(&c->rvalue_nvals, &c->be->be_rootndn);
  			return 0;
  		} 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;
  	return(0);
  }
  
  static int
  config_rootpw(ConfigArgs *c) {
  	Backend *tbe;
  
  	if (c->op == SLAP_CONFIG_EMIT) {
  		if (!BER_BVISEMPTY(&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);
  	if(tbe != c->be && !SLAP_DBHIDDEN( c->be )) {
  		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> can only be set when rootdn is under suffix",
  			c->argv[0] );
  		Debug(LDAP_DEBUG_ANY, "%s: %s\n",
  			c->log, c->cr_msg );
  		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);
  }
  
  static int
  config_restrict(ConfigArgs *c) {
  	slap_mask_t restrictops = 0;
  	int i;
  	slap_verbmasks restrictable_ops[] = {
  		{ BER_BVC("bind"),		SLAP_RESTRICT_OP_BIND },
  		{ BER_BVC("add"),		SLAP_RESTRICT_OP_ADD },
  		{ BER_BVC("modify"),		SLAP_RESTRICT_OP_MODIFY },
  		{ BER_BVC("rename"),		SLAP_RESTRICT_OP_RENAME },
  		{ BER_BVC("modrdn"),		0 },
  		{ BER_BVC("delete"),		SLAP_RESTRICT_OP_DELETE },
  		{ BER_BVC("search"),		SLAP_RESTRICT_OP_SEARCH },
  		{ BER_BVC("compare"),		SLAP_RESTRICT_OP_COMPARE },
  		{ BER_BVC("read"),		SLAP_RESTRICT_OP_READS },
  		{ BER_BVC("write"),		SLAP_RESTRICT_OP_WRITES },
  		{ BER_BVC("extended"),		SLAP_RESTRICT_OP_EXTENDED },
  		{ BER_BVC("extended=" LDAP_EXOP_START_TLS ),		SLAP_RESTRICT_EXOP_START_TLS },
  		{ BER_BVC("extended=" LDAP_EXOP_MODIFY_PASSWD ),	SLAP_RESTRICT_EXOP_MODIFY_PASSWD },
  		{ BER_BVC("extended=" LDAP_EXOP_X_WHO_AM_I ),		SLAP_RESTRICT_EXOP_WHOAMI },
  		{ BER_BVC("extended=" LDAP_EXOP_X_CANCEL ),		SLAP_RESTRICT_EXOP_CANCEL },
  		{ BER_BVC("all"),		SLAP_RESTRICT_OP_ALL },
  		{ BER_BVNULL,	0 }
  	};
  
  	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 {
  			i = verb_to_mask( c->line, restrictable_ops );
  			c->be->be_restrictops &= ~restrictable_ops[i].mask;
  		}
  		return 0;
  	}
  	i = verbs_to_mask( c->argc, c->argv, restrictable_ops, &restrictops );
  	if ( i ) {
  		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unknown operation", c->argv[0] );
  		Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
  			c->log, c->cr_msg, c->argv[i]);
  		return(1);
  	}
  	if ( restrictops & SLAP_RESTRICT_OP_EXTENDED )
  		restrictops &= ~SLAP_RESTRICT_EXOP_MASK;
  	c->be->be_restrictops |= restrictops;
  	return(0);
  }
  
  static int
  config_allows(ConfigArgs *c) {
  	slap_mask_t allows = 0;
  	int i;
  	slap_verbmasks allowable_ops[] = {
  		{ BER_BVC("bind_v2"),		SLAP_ALLOW_BIND_V2 },
  		{ BER_BVC("bind_anon_cred"),	SLAP_ALLOW_BIND_ANON_CRED },
  		{ BER_BVC("bind_anon_dn"),	SLAP_ALLOW_BIND_ANON_DN },
  		{ BER_BVC("update_anon"),	SLAP_ALLOW_UPDATE_ANON },
  		{ BER_BVC("proxy_authz_anon"),	SLAP_ALLOW_PROXY_AUTHZ_ANON },
  		{ BER_BVNULL,	0 }
  	};
  	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 {
  			i = verb_to_mask( c->line, allowable_ops );
  			global_allows &= ~allowable_ops[i].mask;
  		}
  		return 0;
  	}
  	i = verbs_to_mask(c->argc, c->argv, allowable_ops, &allows);
  	if ( i ) {
  		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unknown feature", c->argv[0] );
  		Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
  			c->log, c->cr_msg, c->argv[i]);
  		return(1);
  	}
  	global_allows |= allows;
  	return(0);
  }
  
  static int
  config_disallows(ConfigArgs *c) {
  	slap_mask_t disallows = 0;
  	int i;
  	slap_verbmasks disallowable_ops[] = {
  		{ BER_BVC("bind_anon"),		SLAP_DISALLOW_BIND_ANON },
  		{ BER_BVC("bind_simple"),	SLAP_DISALLOW_BIND_SIMPLE },
  		{ BER_BVC("tls_2_anon"),		SLAP_DISALLOW_TLS_2_ANON },
  		{ BER_BVC("tls_authc"),		SLAP_DISALLOW_TLS_AUTHC },
  		{ BER_BVC("proxy_authz_non_critical"),	SLAP_DISALLOW_PROXY_AUTHZ_N_CRIT },
  		{ BER_BVC("dontusecopy_non_critical"),	SLAP_DISALLOW_DONTUSECOPY_N_CRIT },
  		{ BER_BVNULL, 0 }
  	};
  	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 {
  			i = verb_to_mask( c->line, disallowable_ops );
  			global_disallows &= ~disallowable_ops[i].mask;
  		}
  		return 0;
  	}
  	i = verbs_to_mask(c->argc, c->argv, disallowable_ops, &disallows);
  	if ( i ) {
  		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unknown feature", c->argv[0] );
  		Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
  			c->log, c->cr_msg, c->argv[i]);
  		return(1);
  	}
  	global_disallows |= disallows;
  	return(0);
  }
  
  static int
  config_requires(ConfigArgs *c) {
  	slap_mask_t requires = frontendDB->be_requires;
  	int i, argc = c->argc;
  	char **argv = c->argv;
  
  	slap_verbmasks requires_ops[] = {
  		{ BER_BVC("bind"),		SLAP_REQUIRE_BIND },
  		{ BER_BVC("LDAPv3"),		SLAP_REQUIRE_LDAP_V3 },
  		{ BER_BVC("authc"),		SLAP_REQUIRE_AUTHC },
  		{ BER_BVC("sasl"),		SLAP_REQUIRE_SASL },
  		{ BER_BVC("strong"),		SLAP_REQUIRE_STRONG },
  		{ BER_BVNULL, 0 }
  	};
  	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 {
  			i = verb_to_mask( c->line, requires_ops );
  			c->be->be_requires &= ~requires_ops[i].mask;
  		}
  		return 0;
  	}
  	/* "none" can only be first, to wipe out default/global values */
  	if ( strcasecmp( c->argv[ 1 ], "none" ) == 0 ) {
  		argv++;
  		argc--;
  		requires = 0;
  	}
  	i = verbs_to_mask(argc, argv, requires_ops, &requires);
  	if ( i ) {
  		if (strcasecmp( c->argv[ i ], "none" ) == 0 ) {
  			snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> \"none\" (#%d) must be listed first", c->argv[0], i - 1 );
  			Debug(LDAP_DEBUG_ANY, "%s: %s\n",
  				c->log, c->cr_msg );
  		} else {
  			snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unknown feature #%d", c->argv[0], i - 1 );
  			Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
  				c->log, c->cr_msg, c->argv[i]);
  		}
  		return(1);
  	}
  	c->be->be_requires = requires;
  	return(0);
  }
  
  static int
  config_extra_attrs(ConfigArgs *c)
  {
  	assert( c->be != NULL );
  
  	if ( c->op == SLAP_CONFIG_EMIT ) {
  		int i;
  
  		if ( c->be->be_extra_anlist == NULL ) {
  			return 1;
  		}
  
  		for ( i = 0; !BER_BVISNULL( &c->be->be_extra_anlist[i].an_name ); i++ ) {
  			value_add_one( &c->rvalue_vals, &c->be->be_extra_anlist[i].an_name );
  		}
  
  	} else if ( c->op == LDAP_MOD_DELETE ) {
  		if ( c->be->be_extra_anlist == NULL ) {
  			return 1;
  		}
  
  		if ( c->valx < 0 ) {
  			anlist_free( c->be->be_extra_anlist, 1, NULL );
  			c->be->be_extra_anlist = NULL;
  
  		} else {
  			int i;
  
  			for ( i = 0; i < c->valx && !BER_BVISNULL( &c->be->be_extra_anlist[i + 1].an_name ); i++ )
  				;
  
  			if ( BER_BVISNULL( &c->be->be_extra_anlist[i].an_name ) ) {
  				return 1;
  			}
  
  			ch_free( c->be->be_extra_anlist[i].an_name.bv_val );
  
  			for ( ; !BER_BVISNULL( &c->be->be_extra_anlist[i].an_name ); i++ ) {
  				c->be->be_extra_anlist[i] = c->be->be_extra_anlist[i + 1];
  			}
  		}
  
  	} else {
  		c->be->be_extra_anlist = str2anlist( c->be->be_extra_anlist, c->argv[1], " ,\t" );
  		if ( c->be->be_extra_anlist == NULL ) {
  			return 1;
  		}
  	}
  
  	return 0;
  }
  
  static slap_verbmasks	*loglevel_ops;
  
  static int
  loglevel_init( void )
  {
  	slap_verbmasks	lo[] = {
  		{ BER_BVC("Any"),	(slap_mask_t) LDAP_DEBUG_ANY },
  		{ BER_BVC("Trace"),	LDAP_DEBUG_TRACE },
  		{ BER_BVC("Packets"),	LDAP_DEBUG_PACKETS },
  		{ BER_BVC("Args"),	LDAP_DEBUG_ARGS },
  		{ BER_BVC("Conns"),	LDAP_DEBUG_CONNS },
  		{ BER_BVC("BER"),	LDAP_DEBUG_BER },
  		{ BER_BVC("Filter"),	LDAP_DEBUG_FILTER },
  		{ BER_BVC("Config"),	LDAP_DEBUG_CONFIG },
  		{ BER_BVC("ACL"),	LDAP_DEBUG_ACL },
  		{ BER_BVC("Stats"),	LDAP_DEBUG_STATS },
  		{ BER_BVC("Stats2"),	LDAP_DEBUG_STATS2 },
  		{ BER_BVC("Shell"),	LDAP_DEBUG_SHELL },
  		{ BER_BVC("Parse"),	LDAP_DEBUG_PARSE },
  #if 0	/* no longer used (nor supported) */
  		{ BER_BVC("Cache"),	LDAP_DEBUG_CACHE },
  		{ BER_BVC("Index"),	LDAP_DEBUG_INDEX },
  #endif
  		{ BER_BVC("Sync"),	LDAP_DEBUG_SYNC },
  		{ BER_BVC("None"),	LDAP_DEBUG_NONE },
  		{ 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 );
  	}
  
  	return rc;
  }
  
  int
  slap_loglevel_get( struct berval *s, int *l )
  {
  	int		rc;
  	slap_mask_t	m, i;
  
  	if ( loglevel_ops == NULL ) {
  		loglevel_init();
  	}
  
  	for ( m = 0, i = 1; !BER_BVISNULL( &loglevel_ops[ i ].word ); i++ ) {
  		m |= loglevel_ops[ i ].mask;
  	}
  
  	for ( i = 1; m & i; i <<= 1 )
  		;
  
  	if ( i == 0 ) {
  		return -1;
  	}
  
  	rc = slap_verbmasks_append( &loglevel_ops, i, s, loglevel_ignore );
  
  	if ( rc != 0 ) {
  		Debug( LDAP_DEBUG_ANY, "slap_loglevel_get(%lu, \"%s\") failed\n",
  			i, s->bv_val );
  
  	} else {
  		*l = i;
  	}
  
  	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;
  }
  
  const char *
  loglevel2str( int l )
  {
  	struct berval	bv = BER_BVNULL;
  
  	loglevel2bv( l, &bv );
  
  	return bv.bv_val;
  }
  
  int
  loglevel2bv( int l, struct berval *bv )
  {
  	if ( loglevel_ops == NULL ) {
  		loglevel_init();
  	}
  
  	BER_BVZERO( bv );
  
  	return enum_to_verb( loglevel_ops, l, bv ) == -1;
  }
  
  int
  loglevel2bvarray( int l, BerVarray *bva )
  {
  	if ( loglevel_ops == NULL ) {
  		loglevel_init();
  	}
  
  	if ( l == 0 ) {
  		struct berval bv = BER_BVC("0");
  		return value_add_one( bva, &bv );
  	}
  
  	return mask_to_verbs( loglevel_ops, l, bva );
  }
  
  int
  loglevel_print( FILE *out )
  {
  	int	i;
  
  	if ( loglevel_ops == NULL ) {
  		loglevel_init();
  	}
  
  	fprintf( out, "Installed log subsystems:\n\n" );
  	for ( i = 0; !BER_BVISNULL( &loglevel_ops[ i ].word ); i++ ) {
  		unsigned mask = loglevel_ops[ i ].mask & 0xffffffffUL;
  		fprintf( out,
  			(mask == ((slap_mask_t) -1 & 0xffffffffUL)
  			 ? "\t%-30s (-1, 0xffffffff)\n" : "\t%-30s (%u, 0x%x)\n"),
  			loglevel_ops[ i ].word.bv_val, mask, mask );
  	}
  
  	fprintf( out, "\nNOTE: custom log subsystems may be later installed "
  		"by specific code\n\n" );
  
  	return 0;
  }
  
  static int config_syslog;
  
  static int
  config_loglevel(ConfigArgs *c) {
  	int i;
  
  	if ( loglevel_ops == NULL ) {
  		loglevel_init();
  	}
  
  	if (c->op == SLAP_CONFIG_EMIT) {
  		/* Get default or commandline slapd setting */
  		if ( ldap_syslog && !config_syslog )
  			config_syslog = ldap_syslog;
  		return loglevel2bvarray( config_syslog, &c->rvalue_vals );
  
  	} else if ( c->op == LDAP_MOD_DELETE ) {
  		if ( !c->line ) {
  			config_syslog = 0;
  		} else {
  			i = verb_to_mask( c->line, loglevel_ops );
  			config_syslog &= ~loglevel_ops[i].mask;
  		}
  		if ( slapMode & SLAP_SERVER_MODE ) {
  			ldap_syslog = config_syslog;
  		}
  		return 0;
  	}
  
  	for( i=1; i < c->argc; i++ ) {
  		int	level;
  
  		if ( isdigit((unsigned char)c->argv[i][0]) || c->argv[i][0] == '-' ) {
  			if( lutil_atoix( &level, c->argv[i], 0 ) != 0 ) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unable to parse level", c->argv[0] );
  				Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
  					c->log, c->cr_msg, c->argv[i]);
  				return( 1 );
  			}
  		} else {
  			if ( str2loglevel( c->argv[i], &level ) ) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unknown level", c->argv[0] );
  				Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
  					c->log, c->cr_msg, c->argv[i]);
  				return( 1 );
  			}
  		}
  		/* Explicitly setting a zero clears all the levels */
  		if ( level )
  			config_syslog |= level;
  		else
  			config_syslog = 0;
  	}
  	if ( slapMode & SLAP_SERVER_MODE ) {
  		ldap_syslog = config_syslog;
  	}
  	return(0);
  }
  
  static int
  config_referral(ConfigArgs *c) {
  	struct berval val;
  	if (c->op == SLAP_CONFIG_EMIT) {
  		if ( default_referral ) {
  			value_add( &c->rvalue_vals, default_referral );
  			return 0;
  		} else {
  			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(validate_global_referral(c->argv[1])) {
  		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> invalid URL", c->argv[0] );
  		Debug(LDAP_DEBUG_ANY, "%s: %s (%s)\n",
  			c->log, c->cr_msg, c->argv[1]);
  		return(1);
  	}
  
  	ber_str2bv(c->argv[1], 0, 0, &val);
  	if(value_add_one(&default_referral, &val)) return(LDAP_OTHER);
  	return(0);
  }
  
  static struct {
  	struct berval key;
  	int off;
  } sec_keys[] = {
  	{ BER_BVC("ssf="), offsetof(slap_ssf_set_t, sss_ssf) },
  	{ BER_BVC("transport="), offsetof(slap_ssf_set_t, sss_transport) },
  	{ BER_BVC("tls="), offsetof(slap_ssf_set_t, sss_tls) },
  	{ BER_BVC("sasl="), offsetof(slap_ssf_set_t, sss_sasl) },
  	{ BER_BVC("update_ssf="), offsetof(slap_ssf_set_t, sss_update_ssf) },
  	{ BER_BVC("update_transport="), offsetof(slap_ssf_set_t, sss_update_transport) },
  	{ BER_BVC("update_tls="), offsetof(slap_ssf_set_t, sss_update_tls) },
  	{ BER_BVC("update_sasl="), offsetof(slap_ssf_set_t, sss_update_sasl) },
  	{ BER_BVC("simple_bind="), offsetof(slap_ssf_set_t, sss_simple_bind) },
  	{ BER_BVNULL, 0 }
  };
  
  static int
  config_security(ConfigArgs *c) {
  	slap_ssf_set_t *set = &c->be->be_ssf_set;
  	char *next;
  	int i, j;
  	if (c->op == SLAP_CONFIG_EMIT) {
  		char numbuf[32];
  		struct berval bv;
  		slap_ssf_t *tgt;
  		int rc = 1;
  
  		for (i=0; !BER_BVISNULL( &sec_keys[i].key ); i++) {
  			tgt = (slap_ssf_t *)((char *)set + sec_keys[i].off);
  			if ( *tgt ) {
  				rc = 0;
  				bv.bv_len = snprintf( numbuf, sizeof( numbuf ), "%u", *tgt );
  				if ( bv.bv_len >= sizeof( numbuf ) ) {
  					ber_bvarray_free_x( c->rvalue_vals, NULL );
  					c->rvalue_vals = NULL;
  					rc = 1;
  					break;
  				}
  				bv.bv_len += sec_keys[i].key.bv_len;
  				bv.bv_val = ch_malloc( bv.bv_len + 1);
  				next = lutil_strcopy( bv.bv_val, sec_keys[i].key.bv_val );
  				strcpy( next, numbuf );
  				ber_bvarray_add( &c->rvalue_vals, &bv );
  			}
  		}
  		return rc;
  	}
  	for(i = 1; i < c->argc; i++) {
  		slap_ssf_t *tgt = NULL;
  		char *src = NULL;
  		for ( j=0; !BER_BVISNULL( &sec_keys[j].key ); j++ ) {
  			if(!strncasecmp(c->argv[i], sec_keys[j].key.bv_val,
  				sec_keys[j].key.bv_len)) {
  				src = c->argv[i] + sec_keys[j].key.bv_len;
  				tgt = (slap_ssf_t *)((char *)set + sec_keys[j].off);
  				break;
  			}
  		}
  		if ( !tgt ) {
  			snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unknown factor", c->argv[0] );
  			Debug(LDAP_DEBUG_ANY, "%s: %s %s\n",
  				c->log, c->cr_msg, c->argv[i]);
  			return(1);
  		}
  
  		if ( lutil_atou( tgt, src ) != 0 ) {
  			snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unable to parse factor", c->argv[0] );
  			Debug(LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
  				c->log, c->cr_msg, c->argv[i]);
  			return(1);
  		}
  	}
  	return(0);
  }
  
  char *
  anlist_unparse( AttributeName *an, char *ptr, ber_len_t buflen ) {
  	int comma = 0;
  	char *start = ptr;
  
  	for (; !BER_BVISNULL( &an->an_name ); an++) {
  		/* if buflen == 0, assume the buffer size has been 
  		 * already checked otherwise */
  		if ( buflen > 0 && buflen - ( ptr - start ) < comma + an->an_name.bv_len ) return NULL;
  		if ( comma ) *ptr++ = ',';
  		ptr = lutil_strcopy( ptr, an->an_name.bv_val );
  		comma = 1;
  	}
  	return ptr;
  }
  
  int
  slap_bv_x_ordered_unparse( BerVarray in, BerVarray *out )
  {
  	int		i;
  	BerVarray	bva = NULL;
  	char		ibuf[32], *ptr;
  	struct berval	idx;
  
  	assert( in != NULL );
  
  	for ( i = 0; !BER_BVISNULL( &in[i] ); i++ )
  		/* count'em */ ;
  
  	if ( i == 0 ) {
  		return 1;
  	}
  
  	idx.bv_val = ibuf;
  
  	bva = ch_malloc( ( i + 1 ) * sizeof(struct berval) );
  	BER_BVZERO( &bva[ 0 ] );
  
  	for ( i = 0; !BER_BVISNULL( &in[i] ); i++ ) {
  		idx.bv_len = snprintf( idx.bv_val, sizeof( ibuf ), SLAP_X_ORDERED_FMT, i );
  		if ( idx.bv_len >= sizeof( ibuf ) ) {
  			ber_bvarray_free( bva );
  			return 1;
  		}
  
  		bva[i].bv_len = idx.bv_len + in[i].bv_len;
  		bva[i].bv_val = ch_malloc( bva[i].bv_len + 1 );
  		ptr = lutil_strcopy( bva[i].bv_val, ibuf );
  		ptr = lutil_strcopy( ptr, in[i].bv_val );
  		*ptr = '\0';
  		BER_BVZERO( &bva[ i + 1 ] );
  	}
  
  	*out = bva;
  	return 0;
  }
  
  static int
  config_updatedn(ConfigArgs *c) {
  	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);
  			value_add_one(&c->rvalue_nvals, &c->be->be_update_ndn);
  			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)) {
  		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> database already shadowed", c->argv[0] );
  		Debug(LDAP_DEBUG_ANY, "%s: %s\n",
  			c->log, c->cr_msg );
  		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 );
  
  	return config_slurp_shadow( c );
  }
  
  int
  config_shadow( ConfigArgs *c, slap_mask_t flag )
  {
  	char	*notallowed = NULL;
  
  	if ( c->be == frontendDB ) {
  		notallowed = "frontend";
  
  	} else if ( SLAP_MONITOR(c->be) ) {
  		notallowed = "monitor";
  	}
  
  	if ( notallowed != NULL ) {
  		Debug( LDAP_DEBUG_ANY, "%s: %s database cannot be shadow.\n", c->log, notallowed );
  		return 1;
  	}
  
  	if ( SLAP_SHADOW(c->be) ) {
  		/* if already shadow, only check consistency */
  		if ( ( SLAP_DBFLAGS(c->be) & flag ) != flag ) {
  			Debug( LDAP_DEBUG_ANY, "%s: inconsistent shadow flag 0x%lx.\n",
  				c->log, flag );
  			return 1;
  		}
  
  	} else {
  		SLAP_DBFLAGS(c->be) |= (SLAP_DBFLAG_SHADOW | flag);
  		if ( !SLAP_MULTIPROVIDER( c->be ))
  			SLAP_DBFLAGS(c->be) |= SLAP_DBFLAG_SINGLE_SHADOW;
  	}
  
  	return 0;
  }
  
  static int
  config_updateref(ConfigArgs *c) {
  	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 );
  			return 0;
  		} 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) && !c->be->be_syncinfo) {
  		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> must appear after syncrepl or updatedn",
  			c->argv[0] );
  		Debug(LDAP_DEBUG_ANY, "%s: %s\n",
  			c->log, c->cr_msg );
  		return(1);
  	}
  
  	if(validate_global_referral(c->argv[1])) {
  		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> invalid URL", c->argv[0] );
  		Debug(LDAP_DEBUG_ANY, "%s: %s (%s)\n",
  			c->log, c->cr_msg, c->argv[1]);
  		return(1);
  	}
  	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_obsolete(ConfigArgs *c) {
  	if (c->op == SLAP_CONFIG_EMIT)
  		return 1;
  
  	snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> keyword is obsolete (ignored)",
  		c->argv[0] );
  	Debug(LDAP_DEBUG_ANY, "%s: %s\n", c->log, c->cr_msg );
  	return(0);
  }
  
  static int
  config_include(ConfigArgs *c) {
  	int savelineno = c->lineno;
  	int rc;
  	ConfigFile *cf;
  	ConfigFile *cfsave = cfn;
  	ConfigFile *cf2 = NULL;
  
  	/* Leftover from RE23. No dynamic config for include files */
  	if ( c->op == SLAP_CONFIG_EMIT || c->op == LDAP_MOD_DELETE )
  		return 1;
  
  	cf = ch_calloc( 1, sizeof(ConfigFile));
  	if ( cfn->c_kids ) {
  		for (cf2=cfn->c_kids; cf2 && cf2->c_sibs; cf2=cf2->c_sibs) ;
  		cf2->c_sibs = cf;
  	} else {
  		cfn->c_kids = cf;
  	}
  	cfn = cf;
  	ber_str2bv( c->argv[1], 0, 1, &cf->c_file );
  	rc = read_config_file(c->argv[1], c->depth + 1, c, config_back_cf_table);
  	c->lineno = savelineno - 1;
  	cfn = cfsave;
  	if ( rc ) {
  		if ( cf2 ) cf2->c_sibs = NULL;
  		else cfn->c_kids = NULL;
  		ch_free( cf->c_file.bv_val );
  		ch_free( cf );
  	} else {
  		c->ca_private = cf;
  	}
  	return(rc);
  }
  
  #ifdef HAVE_TLS
  static int
  config_tls_cleanup(ConfigArgs *c) {
  	int rc = 0;
  
  	if ( slap_tls_ld ) {
  		int opt = 1;
  
  		ldap_pvt_tls_ctx_free( slap_tls_ctx );
  		slap_tls_ctx = NULL;
  
  		/* Force new ctx to be created */
  		rc = ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_NEWCTX, &opt );
  		if( rc == 0 ) {
  			/* The ctx's refcount is bumped up here */
  			ldap_pvt_tls_get_option( slap_tls_ld, LDAP_OPT_X_TLS_CTX, &slap_tls_ctx );
  			/* This is a no-op if it's already loaded */
  			load_extop( &slap_EXOP_START_TLS, 0, starttls_extop );
  		} else {
  			if ( rc == LDAP_NOT_SUPPORTED )
  				rc = LDAP_UNWILLING_TO_PERFORM;
  			else
  				rc = LDAP_OTHER;
  		}
  	}
  	return rc;
  }
  
  static int
  config_tls_option(ConfigArgs *c) {
  	int flag, rc;
  	int berval = 0;
  	LDAP *ld = slap_tls_ld;
  	switch(c->type) {
  	case CFG_TLS_RAND:	flag = LDAP_OPT_X_TLS_RANDOM_FILE;	ld = NULL; break;
  	case CFG_TLS_CIPHER:	flag = LDAP_OPT_X_TLS_CIPHER_SUITE;	break;
  	case CFG_TLS_CERT_FILE:	flag = LDAP_OPT_X_TLS_CERTFILE;		break;	
  	case CFG_TLS_CERT_KEY:	flag = LDAP_OPT_X_TLS_KEYFILE;		break;
  	case CFG_TLS_CA_PATH:	flag = LDAP_OPT_X_TLS_CACERTDIR;	break;
  	case CFG_TLS_CA_FILE:	flag = LDAP_OPT_X_TLS_CACERTFILE;	break;
  	case CFG_TLS_DH_FILE:	flag = LDAP_OPT_X_TLS_DHFILE;	break;
  	case CFG_TLS_ECNAME:	flag = LDAP_OPT_X_TLS_ECNAME;	break;
  #ifdef HAVE_GNUTLS
  	case CFG_TLS_CRL_FILE:	flag = LDAP_OPT_X_TLS_CRLFILE;	break;
  #endif
  	case CFG_TLS_CACERT:	flag = LDAP_OPT_X_TLS_CACERT;	berval = 1;	break;
  	case CFG_TLS_CERT:		flag = LDAP_OPT_X_TLS_CERT;	berval = 1;	break;
  	case CFG_TLS_KEY:		flag = LDAP_OPT_X_TLS_KEY;	berval = 1;	break;
  	default:		Debug(LDAP_DEBUG_ANY, "%s: "
  					"unknown tls_option <0x%x>\n",
  					c->log, c->type );
  		return 1;
  	}
  	if (c->op == SLAP_CONFIG_EMIT) {
  		return ldap_pvt_tls_get_option( ld, flag, berval ? (void *)&c->value_bv : (void *)&c->value_string );
  	} else if ( c->op == LDAP_MOD_DELETE ) {
  		config_push_cleanup( c, config_tls_cleanup );
  		return ldap_pvt_tls_set_option( ld, flag, NULL );
  	}
  	if ( !berval ) ch_free(c->value_string);
  	config_push_cleanup( c, config_tls_cleanup );
  	rc = ldap_pvt_tls_set_option(ld, flag, berval ? (void *)&c->value_bv : (void *)c->argv[1]);
  	if ( berval ) ch_free(c->value_bv.bv_val);
  	return rc;
  }
  
  /* FIXME: this ought to be provided by libldap */
  static int
  config_tls_config(ConfigArgs *c) {
  	int i, flag;
  	switch(c->type) {
  	case CFG_TLS_CRLCHECK:	flag = LDAP_OPT_X_TLS_CRLCHECK; break;
  	case CFG_TLS_VERIFY:	flag = LDAP_OPT_X_TLS_REQUIRE_CERT; break;
  	case CFG_TLS_PROTOCOL_MIN: flag = LDAP_OPT_X_TLS_PROTOCOL_MIN; break;
  	default:
  		Debug(LDAP_DEBUG_ANY, "%s: "
  				"unknown tls_option <0x%x>\n",
  				c->log, c->type );
  		return 1;
  	}
  	if (c->op == SLAP_CONFIG_EMIT) {
  		return slap_tls_get_config( slap_tls_ld, flag, &c->value_string );
  	} else if ( c->op == LDAP_MOD_DELETE ) {
  		int i = 0;
  		config_push_cleanup( c, config_tls_cleanup );
  		return ldap_pvt_tls_set_option( slap_tls_ld, flag, &i );
  	}
  	ch_free( c->value_string );
  	config_push_cleanup( c, config_tls_cleanup );
  	if ( isdigit( (unsigned char)c->argv[1][0] ) && c->type != CFG_TLS_PROTOCOL_MIN ) {
  		if ( lutil_atoi( &i, c->argv[1] ) != 0 ) {
  			Debug(LDAP_DEBUG_ANY, "%s: "
  				"unable to parse %s \"%s\"\n",
  				c->log, c->argv[0], c->argv[1] );
  			return 1;
  		}
  		return(ldap_pvt_tls_set_option(slap_tls_ld, flag, &i));
  	} else {
  		return(ldap_pvt_tls_config(slap_tls_ld, flag, c->argv[1]));
  	}
  }
  #endif
  
  static CfEntryInfo *
  config_find_base( CfEntryInfo *root, struct berval *dn, CfEntryInfo **last )
  {
  	struct berval cdn;
  	char *c;
  
  	if ( !root ) {
  		*last = NULL;
  		return NULL;
  	}
  
  	if ( dn_match( &root->ce_entry->e_nname, dn ))
  		return root;
  
  	c = dn->bv_val+dn->bv_len;
  	for (;*c != ',';c--);
  
  	while(root) {
  		*last = root;
  		for (--c;c>dn->bv_val && *c != ',';c--);
  		cdn.bv_val = c;
  		if ( *c == ',' )
  			cdn.bv_val++;
  		cdn.bv_len = dn->bv_len - (cdn.bv_val - dn->bv_val);
  
  		root = root->ce_kids;
  
  		for (;root;root=root->ce_sibs) {
  			if ( dn_match( &root->ce_entry->e_nname, &cdn )) {
  				if ( cdn.bv_val == dn->bv_val ) {
  					return root;
  				}
  				break;
  			}
  		}
  	}
  	return root;
  }
  
  typedef struct setup_cookie {
  	CfBackInfo *cfb;
  	ConfigArgs *ca;
  	Entry *frontend;
  	Entry *config;
  	int got_frontend;
  	int got_config;
  } setup_cookie;
  
  static int
  config_ldif_resp( Operation *op, SlapReply *rs )
  {
  	if ( rs->sr_type == REP_SEARCH ) {
  		setup_cookie *sc = op->o_callback->sc_private;
  		struct berval pdn;
  
  		sc->cfb->cb_got_ldif = 1;
  		/* Does the frontend exist? */
  		if ( !sc->got_frontend ) {
  			if ( !strncmp( rs->sr_entry->e_nname.bv_val,
  				"olcDatabase", STRLENOF( "olcDatabase" )))
  			{
  				if ( strncmp( rs->sr_entry->e_nname.bv_val +
  					STRLENOF( "olcDatabase" ), "={-1}frontend",
  					STRLENOF( "={-1}frontend" )))
  				{
  					struct berval rdn;
  					int i = op->o_noop;
  					sc->ca->be = frontendDB;
  					sc->ca->bi = frontendDB->bd_info;
  					frontendDB->be_cf_ocs = &CFOC_FRONTEND;
  					rdn.bv_val = sc->ca->log;
  					rdn.bv_len = snprintf(rdn.bv_val, sizeof( sc->ca->log ),
  						"%s=" SLAP_X_ORDERED_FMT "%s",
  						cfAd_database->ad_cname.bv_val, -1,
  						sc->ca->bi->bi_type);
  					op->o_noop = 1;
  					sc->frontend = config_build_entry( op, rs,
  						sc->cfb->cb_root, sc->ca, &rdn, &CFOC_DATABASE,
  						sc->ca->be->be_cf_ocs );
  					op->o_noop = i;
  					sc->got_frontend++;
  				} else {
  					sc->got_frontend++;
  					goto ok;
  				}
  			}
  		}
  
  		dnParent( &rs->sr_entry->e_nname, &pdn );
  
  		/* Does the configDB exist? */
  		if ( sc->got_frontend && !sc->got_config &&
  			!strncmp( rs->sr_entry->e_nname.bv_val,
  			"olcDatabase", STRLENOF( "olcDatabase" )) &&
  			dn_match( &config_rdn, &pdn ) )
  		{
  			if ( strncmp( rs->sr_entry->e_nname.bv_val +
  				STRLENOF( "olcDatabase" ), "={0}config",
  				STRLENOF( "={0}config" )))
  			{
  				struct berval rdn;
  				int i = op->o_noop;
  				sc->ca->be = LDAP_STAILQ_FIRST( &backendDB );
  				sc->ca->bi = sc->ca->be->bd_info;
  				rdn.bv_val = sc->ca->log;
  				rdn.bv_len = snprintf(rdn.bv_val, sizeof( sc->ca->log ),
  					"%s=" SLAP_X_ORDERED_FMT "%s",
  					cfAd_database->ad_cname.bv_val, 0,
  					sc->ca->bi->bi_type);
  				op->o_noop = 1;
  				sc->config = config_build_entry( op, rs, sc->cfb->cb_root,
  					sc->ca, &rdn, &CFOC_DATABASE, sc->ca->be->be_cf_ocs );
  				op->o_noop = i;
  			}
  			sc->got_config++;
  		}
  
  ok:
  		rs->sr_err = config_add_internal( sc->cfb, rs->sr_entry, sc->ca, NULL, NULL, NULL );
  		if ( rs->sr_err != LDAP_SUCCESS ) {
  			Debug( LDAP_DEBUG_ANY, "config error processing %s: %s\n",
  				rs->sr_entry->e_name.bv_val, sc->ca->cr_msg );
  		}
  	}
  	return rs->sr_err;
  }
  
  /* Configure and read the underlying back-ldif store */
  static int
  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 = 0;
  	setup_cookie sc;
  	slap_callback cb = { NULL, config_ldif_resp, NULL, NULL };
  	Connection conn = {0};
  	OperationBuffer opbuf;
  	Operation *op;
  	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 */
  
  	if ( backend_db_init( "ldif", &cfb->cb_db, -1, NULL ) == NULL )
  		return 1;
  
  	cfb->cb_db.be_suffix = be->be_suffix;
  	cfb->cb_db.be_nsuffix = be->be_nsuffix;
  
  	/* The suffix is always "cn=config". The underlying DB's rootdn
  	 * is always the same as the suffix.
  	 */
  	cfb->cb_db.be_rootdn = be->be_suffix[0];
  	cfb->cb_db.be_rootndn = be->be_nsuffix[0];
  
  	ber_str2bv( dir, 0, 1, &cfdir );
  
  	c.be = &cfb->cb_db;
  	c.fname = "slapd";
  	c.argc = 2;
  	argv[0] = "directory";
  	argv[1] = (char *)dir;
  	argv[2] = NULL;
  	c.argv = argv;
  	c.reply.err = 0;
  	c.reply.msg[0] = 0;
  	c.table = Cft_Database;
  
  	ct = config_find_keyword( c.be->be_cf_ocs->co_table, &c );
  	if ( !ct )
  		return 1;
  
  	if ( config_add_vals( ct, &c ))
  		return 1;
  
  	if ( backend_startup_one( &cfb->cb_db, &c.reply ))
  		return 1;
  
  	if ( readit ) {
  		void *thrctx = ldap_pvt_thread_pool_context();
  		int prev_DN_strict;
  
  		connection_fake_init( &conn, &opbuf, thrctx );
  		op = &opbuf.ob_op;
  
  		filter.f_desc = slap_schema.si_ad_objectClass;
  
  		op->o_tag = LDAP_REQ_SEARCH;
  
  		op->ors_filter = &filter;
  		op->ors_filterstr = filterstr;
  		op->ors_scope = LDAP_SCOPE_SUBTREE;
  
  		op->o_dn = c.be->be_rootdn;
  		op->o_ndn = c.be->be_rootndn;
  
  		op->o_req_dn = be->be_suffix[0];
  		op->o_req_ndn = be->be_nsuffix[0];
  
  		op->ors_tlimit = SLAP_NO_LIMIT;
  		op->ors_slimit = SLAP_NO_LIMIT;
  
  		op->ors_attrs = slap_anlist_all_attributes;
  		op->ors_attrsonly = 0;
  
  		op->o_callback = &cb;
  		sc.cfb = cfb;
  		sc.ca = &c;
  		cb.sc_private = &sc;
  		sc.got_frontend = 0;
  		sc.got_config = 0;
  		sc.frontend = NULL;
  		sc.config = NULL;
  
  		op->o_bd = &cfb->cb_db;
  		
  		/* Allow unknown attrs in DNs */
  		prev_DN_strict = slap_DN_strict;
  		slap_DN_strict = 0;
  
  		rc = op->o_bd->be_search( op, &rs );
  
  		/* Restore normal DN validation */
  		slap_DN_strict = prev_DN_strict;
  
  		op->o_tag = LDAP_REQ_ADD;
  		if ( rc == LDAP_SUCCESS && sc.frontend ) {
  			rs_reinit( &rs, REP_RESULT );
  			op->ora_e = sc.frontend;
  			rc = op->o_bd->be_add( op, &rs );
  		}
  		if ( rc == LDAP_SUCCESS && sc.config ) {
  			rs_reinit( &rs, REP_RESULT );
  			op->ora_e = sc.config;
  			rc = op->o_bd->be_add( op, &rs );
  		}
  		ldap_pvt_thread_pool_context_reset( thrctx );
  	}
  
  	/* ITS#4194 - only use if it's present, or we're converting. */
  	if ( !readit || rc == LDAP_SUCCESS )
  		cfb->cb_use_ldif = 1;
  
  	return rc;
  }
  
  static int
  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 );
  }
  
  int
  config_register_schema(ConfigTable *ct, ConfigOCs *ocs) {
  	int i;
  
  	i = init_config_attrs( ct );
  	if ( i ) return i;
  
  	/* set up the objectclasses */
  	i = init_config_ocs( ocs );
  	if ( i ) return i;
  
  	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;
  }
  
  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", NULL, 0, NULL );
  	if ( !be )
  		return 1;
  
  	cfb = be->be_private;
  	be->be_dfltaccess = ACL_NONE;
  
  	/* 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;
  
  			if ( stat( dir, &st ) < 0 ) {
  				int saved_errno = errno;
  				Debug( LDAP_DEBUG_ANY,
  					"invalid config directory %s, error %d\n",
  						dir, saved_errno );
  				return 1;
  			}
  			cfdir = dir;
  		} else {
  			cfdir = SLAPD_DEFAULT_CONFIGDIR;
  		}
  		/* if fname is defaulted, try reading .d */
  		rc = config_setup_ldif( be, cfdir, !fname );
  
  		if ( rc ) {
  			/* It may be OK if the base object doesn't exist yet. */
  			if ( rc != LDAP_NO_SUCH_OBJECT )
  				return 1;
  			/* ITS#4194: But if dir was specified and no fname,
  			 * then we were supposed to read the dir. Unless we're
  			 * trying to slapadd the dir...
  			 */
  			if ( dir && !fname ) {
  				if ( slapMode & (SLAP_SERVER_MODE|SLAP_TOOL_READMAIN|SLAP_TOOL_READONLY))
  					return 1;
  				/* Assume it's slapadd with a config dir, let it continue */
  				rc = 0;
  				cfb->cb_got_ldif = 1;
  				cfb->cb_use_ldif = 1;
  				goto done;
  			}
  		}
  
  		/* 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 );
  
  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 );
  			/* must not happen */
  			assert( 0 );
  		}
  	}
  	if ( rc == 0 && ( slapMode & SLAP_SERVER_MODE ) && sid_list ) {
  		if ( !BER_BVISEMPTY( &sid_list->si_url ) && !sid_set ) {
  			Debug(LDAP_DEBUG_ANY, "read_config: no serverID / URL match found. "
  				"Check slapd -h arguments.\n" );
  			rc = LDAP_OTHER;
  		}
  	}
  	return rc;
  }
  
  static int
  config_back_bind( Operation *op, SlapReply *rs )
  {
  	if ( be_isroot_pw( op ) ) {
  		ber_dupbv( &op->orb_edn, be_root_dn( op->o_bd ));
  		/* frontend sends result */
  		return LDAP_SUCCESS;
  	}
  
  	rs->sr_err = LDAP_INVALID_CREDENTIALS;
  	send_ldap_result( op, rs );
  
  	return rs->sr_err;
  }
  
  static int
  config_send( Operation *op, SlapReply *rs, CfEntryInfo *ce, int depth )
  {
  	int rc = 0;
  
  	if ( test_filter( op, ce->ce_entry, op->ors_filter ) == LDAP_COMPARE_TRUE )
  	{
  		rs->sr_attrs = op->ors_attrs;
  		rs->sr_entry = ce->ce_entry;
  		rs->sr_flags = 0;
  		rc = send_search_entry( op, rs );
  		if ( rc != LDAP_SUCCESS ) {
  			return rc;
  		}
  	}
  	if ( op->ors_scope == LDAP_SCOPE_SUBTREE ) {
  		if ( ce->ce_kids ) {
  			rc = config_send( op, rs, ce->ce_kids, 1 );
  			if ( rc ) return rc;
  		}
  		if ( depth ) {
  			for (ce=ce->ce_sibs; ce; ce=ce->ce_sibs) {
  				rc = config_send( op, rs, ce, 0 );
  				if ( rc ) break;
  			}
  		}
  	}
  	return rc;
  }
  
  static ConfigTable *
  config_find_table( ConfigOCs **colst, int nocs, AttributeDescription *ad,
  	ConfigArgs *ca )
  {
  	int i, j;
  	if (ad->ad_flags & SLAP_DESC_BINARY)
  		ad = ad->ad_type->sat_ad;
  
  	for (j=0; j<nocs; j++) {
  		for (i=0; colst[j]->co_table[i].name; i++)
  			if ( colst[j]->co_table[i].ad == ad ) {
  				ca->table = colst[j]->co_type;
  				return &colst[j]->co_table[i];
  			}
  	}
  	return NULL;
  }
  
  /* 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
   * (e.g., rootDN must be defined after suffix) the objectclass must
   * list the attributes in the desired sequence.
   */
  static void
  sort_attrs( Entry *e, ConfigOCs **colst, int nocs )
  {
  	Attribute *a, *head = NULL, *tail = NULL, **prev;
  	int i, j;
  
  	for (i=0; i<nocs; i++) {
  		if ( colst[i]->co_oc->soc_required ) {
  			AttributeType **at = colst[i]->co_oc->soc_required;
  			for (j=0; at[j]; j++) {
  				for (a=e->e_attrs, prev=&e->e_attrs; a;
  					prev = &(*prev)->a_next, a=a->a_next) {
  					if ( a->a_desc == at[j]->sat_ad ) {
  						*prev = a->a_next;
  						if (!head) {
  							head = a;
  							tail = a;
  						} else {
  							tail->a_next = a;
  							tail = a;
  						}
  						break;
  					}
  				}
  			}
  		}
  		if ( colst[i]->co_oc->soc_allowed ) {
  			AttributeType **at = colst[i]->co_oc->soc_allowed;
  			for (j=0; at[j]; j++) {
  				for (a=e->e_attrs, prev=&e->e_attrs; a;
  					prev = &(*prev)->a_next, a=a->a_next) {
  					if ( a->a_desc == at[j]->sat_ad ) {
  						*prev = a->a_next;
  						if (!head) {
  							head = a;
  							tail = a;
  						} else {
  							tail->a_next = a;
  							tail = a;
  						}
  						break;
  					}
  				}
  			}
  		}
  	}
  	if ( tail ) {
  		tail->a_next = e->e_attrs;
  		e->e_attrs = head;
  	}
  }
  
  static int
  check_vals( ConfigTable *ct, ConfigArgs *ca, void *ptr, int isAttr )
  {
  	Attribute *a = NULL;
  	AttributeDescription *ad;
  	BerVarray vals;
  
  	int i, rc = 0;
  
  	if ( isAttr ) {
  		a = ptr;
  		ad = a->a_desc;
  		vals = a->a_vals;
  	} else {
  		Modifications *ml = ptr;
  		ad = ml->sml_desc;
  		vals = ml->sml_values;
  	}
  
  	if ( a && ( ad->ad_type->sat_flags & SLAP_AT_ORDERED_VAL )) {
  		rc = ordered_value_sort( a, 1 );
  		if ( rc ) {
  			snprintf(ca->cr_msg, sizeof( ca->cr_msg ), "ordered_value_sort failed on attr %s\n",
  				ad->ad_cname.bv_val );
  			return rc;
  		}
  	}
  	for ( i=0; vals[i].bv_val; i++ ) {
  		ca->line = vals[i].bv_val;
  		ca->linelen = vals[i].bv_len;
  		if (( ad->ad_type->sat_flags & SLAP_AT_ORDERED_VAL ) &&
  			ca->line[0] == '{' ) {
  			char *idx = strchr( ca->line, '}' );
  			if ( idx ) {
  				ca->linelen -= (idx+1) - ca->line;
  				ca->line = idx+1;
  			}
  		}
  		rc = config_parse_vals( ct, ca, i );
  		if ( rc ) {
  			break;
  		}
  	}
  	return rc;
  }
  
  static int
  config_rename_attr( SlapReply *rs, Entry *e, struct berval *rdn,
  	Attribute **at )
  {
  	struct berval rtype, rval;
  	Attribute *a;
  	AttributeDescription *ad = NULL;
  
  	dnRdn( &e->e_name, rdn );
  	rval.bv_val = strchr(rdn->bv_val, '=' ) + 1;
  	rval.bv_len = rdn->bv_len - (rval.bv_val - rdn->bv_val);
  	rtype.bv_val = rdn->bv_val;
  	rtype.bv_len = rval.bv_val - rtype.bv_val - 1;
  
  	/* Find attr */
  	slap_bv2ad( &rtype, &ad, &rs->sr_text );
  	a = attr_find( e->e_attrs, ad );
  	if (!a ) return LDAP_NAMING_VIOLATION;
  	*at = a;
  
  	return 0;
  }
  
  static void
  config_rename_kids( CfEntryInfo *ce )
  {
  	CfEntryInfo *ce2;
  	struct berval rdn, nrdn;
  
  	for (ce2 = ce->ce_kids; ce2; ce2 = ce2->ce_sibs) {
  		struct berval newdn, newndn;
  		dnRdn ( &ce2->ce_entry->e_name, &rdn );
  		dnRdn ( &ce2->ce_entry->e_nname, &nrdn );
  		build_new_dn( &newdn, &ce->ce_entry->e_name, &rdn, NULL );
  		build_new_dn( &newndn, &ce->ce_entry->e_nname, &nrdn, NULL );
  		free( ce2->ce_entry->e_name.bv_val );
  		free( ce2->ce_entry->e_nname.bv_val );
  		ce2->ce_entry->e_name = newdn;
  		ce2->ce_entry->e_nname = newndn;
  		config_rename_kids( ce2 );
  	}
  }
  
  static int
  config_rename_one( Operation *op, SlapReply *rs, Entry *e,
  	CfEntryInfo *parent, Attribute *a, struct berval *newrdn,
  	struct berval *nnewrdn, int use_ldif )
  {
  	int cnt, rc = 0;
  	struct berval odn, ondn;
  	const char *text = "";
  	LDAPRDN rDN;
  
  	odn = e->e_name;
  	ondn = e->e_nname;
  	build_new_dn( &e->e_name, &parent->ce_entry->e_name, newrdn, NULL );
  	build_new_dn( &e->e_nname, &parent->ce_entry->e_nname, nnewrdn, NULL );
  
  	/* Replace attr */
  	rc = ldap_bv2rdn( &e->e_name, &rDN, (char **)&text, LDAP_DN_FORMAT_LDAP );
  	if ( rc ) {
  		return rc;
  	}
  	for ( cnt = 0; rDN[cnt]; cnt++ ) {
  		AttributeDescription *ad = NULL;
  		LDAPAVA *ava = rDN[cnt];
  
  		rc = slap_bv2ad( &ava->la_attr, &ad, &text );
  		if ( rc ) {
  			break;
  		}
  
  		if ( ad != a->a_desc ) continue;
  
  		free( a->a_vals[0].bv_val );
  		ber_dupbv( &a->a_vals[0], &ava->la_value );
  		if ( a->a_nvals != a->a_vals ) {
  			free( a->a_nvals[0].bv_val );
  			rc = attr_normalize_one( ad, &ava->la_value, &a->a_nvals[0], NULL );
  			if ( rc ) {
  				break;
  			}
  		}
  
  		/* attributes with X-ORDERED 'SIBLINGS' are single-valued, we're done */
  		break;
  	}
  	/* the attribute must be present in rDN */
  	assert( rDN[cnt] );
  	ldap_rdnfree( rDN );
  	if ( rc ) {
  		return rc;
  	}
  
  	if ( use_ldif ) {
  		CfBackInfo *cfb = (CfBackInfo *)op->o_bd->be_private;
  		BackendDB *be = op->o_bd;
  		slap_callback sc = { NULL, slap_null_cb, NULL, NULL }, *scp;
  		struct berval dn, ndn, xdn, xndn;
  
  		op->o_bd = &cfb->cb_db;
  
  		/* Save current rootdn; use the underlying DB's rootdn */
  		dn = op->o_dn;
  		ndn = op->o_ndn;
  		xdn = op->o_req_dn;
  		xndn = op->o_req_ndn;
  		op->o_dn = op->o_bd->be_rootdn;
  		op->o_ndn = op->o_bd->be_rootndn;
  		op->o_req_dn = odn;
  		op->o_req_ndn = ondn;
  
  		scp = op->o_callback;
  		op->o_callback = &sc;
  		op->orr_newrdn = *newrdn;
  		op->orr_nnewrdn = *nnewrdn;
  		op->orr_newSup = NULL;
  		op->orr_nnewSup = NULL;
  		op->orr_deleteoldrdn = 1;
  		op->orr_modlist = NULL;
  		slap_modrdn2mods( op, rs );
  		slap_mods_opattrs( op, &op->orr_modlist, 1 );
  		rc = op->o_bd->be_modrdn( op, rs );
  		slap_mods_free( op->orr_modlist, 1 );
  
  		op->o_bd = be;
  		op->o_callback = scp;
  		op->o_dn = dn;
  		op->o_ndn = ndn;
  		op->o_req_dn = xdn;
  		op->o_req_ndn = xndn;
  	}
  	free( odn.bv_val );
  	free( ondn.bv_val );
  	if ( e->e_private )
  		config_rename_kids( e->e_private );
  	return rc;
  }
  
  static int
  config_renumber_one( Operation *op, SlapReply *rs, CfEntryInfo *parent, 
  	Entry *e, int idx, int tailindex, int use_ldif )
  {
  	struct berval ival, newrdn, nnewrdn;
  	struct berval rdn;
  	Attribute *a;
  	char ibuf[32], *ptr1, *ptr2 = NULL;
  	int rc = 0;
  
  	rc = config_rename_attr( rs, e, &rdn, &a );
  	if ( rc ) return rc;
  
  	ival.bv_val = ibuf;
  	ival.bv_len = snprintf( ibuf, sizeof( ibuf ), SLAP_X_ORDERED_FMT, idx );
  	if ( ival.bv_len >= sizeof( ibuf ) ) {
  		return LDAP_NAMING_VIOLATION;
  	}
  	
  	newrdn.bv_len = rdn.bv_len + ival.bv_len;
  	newrdn.bv_val = ch_malloc( newrdn.bv_len+1 );
  
  	if ( tailindex ) {
  		ptr1 = lutil_strncopy( newrdn.bv_val, rdn.bv_val, rdn.bv_len );
  		ptr1 = lutil_strcopy( ptr1, ival.bv_val );
  	} else {
  		int xlen;
  		ptr2 = ber_bvchr( &rdn, '}' );
  		if ( ptr2 ) {
  			ptr2++;
  		} else {
  			ptr2 = rdn.bv_val + a->a_desc->ad_cname.bv_len + 1;
  		}
  		xlen = rdn.bv_len - (ptr2 - rdn.bv_val);
  		ptr1 = lutil_strncopy( newrdn.bv_val, a->a_desc->ad_cname.bv_val,
  			a->a_desc->ad_cname.bv_len );
  		*ptr1++ = '=';
  		ptr1 = lutil_strcopy( ptr1, ival.bv_val );
  		ptr1 = lutil_strncopy( ptr1, ptr2, xlen );
  		*ptr1 = '\0';
  	}
  
  	/* Do the equivalent of ModRDN */
  	/* Replace DN / NDN */
  	newrdn.bv_len = ptr1 - newrdn.bv_val;
  	rc = rdnNormalize( 0, NULL, NULL, &newrdn, &nnewrdn, NULL );
  	if ( rc ) {
  		free( newrdn.bv_val );
  		return LDAP_NAMING_VIOLATION;
  	}
  	rc = config_rename_one( op, rs, e, parent, a, &newrdn, &nnewrdn, use_ldif );
  
  	free( nnewrdn.bv_val );
  	free( newrdn.bv_val );
  	return rc;
  }
  
  static int
  check_name_index( CfEntryInfo *parent, ConfigType ce_type, Entry *e,
  	SlapReply *rs, int *renum, int *ibase )
  {
  	CfEntryInfo *ce;
  	int index = -1, gotindex = 0, nsibs, rc = 0;
  	int renumber = 0, tailindex = 0, isfrontend = 0, isconfig = 0;
  	char *ptr1, *ptr2 = NULL;
  	struct berval rdn;
  
  	if ( renum ) *renum = 0;
  
  	/* These entries don't get indexed/renumbered */
  	if ( ce_type == Cft_Global ) return 0;
  	if ( ce_type == Cft_Schema && parent->ce_type == Cft_Global ) return 0;
  
  	if ( ce_type == Cft_Module )
  		tailindex = 1;
  
  	/* See if the rdn has an index already */
  	dnRdn( &e->e_name, &rdn );
  	if ( ce_type == Cft_Database ) {
  		if ( !strncmp( rdn.bv_val + rdn.bv_len - STRLENOF("frontend"),
  				"frontend", STRLENOF("frontend") )) 
  			isfrontend = 1;
  		else if ( !strncmp( rdn.bv_val + rdn.bv_len - STRLENOF("config"),
  				"config", STRLENOF("config") )) 
  			isconfig = 1;
  	}
  	ptr1 = ber_bvchr( &e->e_name, '{' );
  	if ( ptr1 && ptr1 < &e->e_name.bv_val[ rdn.bv_len ] ) {
  		char	*next;
  		ptr2 = strchr( ptr1, '}' );
  		if ( !ptr2 || ptr2 > &e->e_name.bv_val[ rdn.bv_len ] )
  			return LDAP_NAMING_VIOLATION;
  		if ( ptr2-ptr1 == 1)
  			return LDAP_NAMING_VIOLATION;
  		gotindex = 1;
  		index = strtol( ptr1 + 1, &next, 10 );
  		if ( next == ptr1 + 1 || next[ 0 ] != '}' ) {
  			return LDAP_NAMING_VIOLATION;
  		}
  		if ( index < 0 ) {
  			/* Special case, we allow -1 for the frontendDB */
  			if ( index != -1 || !isfrontend )
  				return LDAP_NAMING_VIOLATION;
  		}
  		if ( isconfig && index != 0 ){
  			return LDAP_NAMING_VIOLATION;
  		}
  	}
  
  	/* count related kids.
  	 * For entries of type Cft_Misc, only count siblings with same RDN type
  	 */
  	if ( ce_type == Cft_Misc ) {
  		rdn.bv_val = e->e_nname.bv_val;
  		ptr1 = strchr( rdn.bv_val, '=' );
  		assert( ptr1 != NULL );
  
  		rdn.bv_len = ptr1 - rdn.bv_val;
  
  		for (nsibs=0, ce=parent->ce_kids; ce; ce=ce->ce_sibs) {
  			struct berval rdn2;
  			if ( ce->ce_type != ce_type )
  				continue;
  
  			dnRdn( &ce->ce_entry->e_nname, &rdn2 );
  
  			ptr1 = strchr( rdn2.bv_val, '=' );
  			assert( ptr1 != NULL );
  
  			rdn2.bv_len = ptr1 - rdn2.bv_val;
  			if ( bvmatch( &rdn, &rdn2 ))
  				nsibs++;
  		}
  	} else {
  		for (nsibs=0, ce=parent->ce_kids; ce; ce=ce->ce_sibs) {
  			if ( ce->ce_type == ce_type ) nsibs++;
  		}
  	}
  
  	/* account for -1 frontend */
  	if ( ce_type == Cft_Database )
  		nsibs--;
  
  	if ( index != nsibs || isfrontend ) {
  		if ( gotindex ) {
  			if ( index < nsibs ) {
  				if ( tailindex ) return LDAP_NAMING_VIOLATION;
  				/* Siblings need to be renumbered */
  				if ( index != -1 || !isfrontend )
  					renumber = 1;
  			}
  		}
  		/* config DB is always "0" */
  		if ( isconfig && index == -1 ) {
  			index = 0;
  		}
  		if (( !isfrontend && index == -1 ) || ( index > nsibs ) ){
  			index = nsibs;
  		}
  
  		/* just make index = nsibs */
  		if ( !renumber ) {
  			rc = config_renumber_one( NULL, rs, parent, e, index, tailindex, 0 );
  		}
  	}
  	if ( ibase ) *ibase = index;
  	if ( renum ) *renum = renumber;
  	return rc;
  }
  
  /* Insert all superior classes of the given class */
  static int
  count_oc( ObjectClass *oc, ConfigOCs ***copp, int *nocs )
  {
  	ConfigOCs	co, *cop;
  	ObjectClass	**sups;
  
  	for ( sups = oc->soc_sups; sups && *sups; sups++ ) {
  		if ( count_oc( *sups, copp, nocs ) ) {
  			return -1;
  		}
  	}
  
  	co.co_name = &oc->soc_cname;
  	cop = avl_find( CfOcTree, &co, CfOc_cmp );
  	if ( cop ) {
  		int	i;
  
  		/* check for duplicates */
  		for ( i = 0; i < *nocs; i++ ) {
  			if ( *copp && (*copp)[i] == cop ) {
  				break;
  			}
  		}
  
  		if ( i == *nocs ) {
  			ConfigOCs **tmp = ch_realloc( *copp, (*nocs + 1)*sizeof( ConfigOCs * ) );
  			if ( tmp == NULL ) {
  				return -1;
  			}
  			*copp = tmp;
  			(*copp)[*nocs] = cop;
  			(*nocs)++;
  		}
  	}
  
  	return 0;
  }
  
  /* Find all superior classes of the given objectclasses,
   * return list in order of most-subordinate first.
   *
   * Special / auxiliary / Cft_Misc classes always take precedence.
   */
  static ConfigOCs **
  count_ocs( Attribute *oc_at, int *nocs )
  {
  	int		i, j, misc = -1;
  	ConfigOCs	**colst = NULL;
  
  	*nocs = 0;
  
  	for ( i = oc_at->a_numvals; i--; ) {
  		ObjectClass	*oc = oc_bvfind( &oc_at->a_nvals[i] );
  
  		assert( oc != NULL );
  		if ( count_oc( oc, &colst, nocs ) ) {
  			ch_free( colst );
  			return NULL;
  		}
  	}
  
  	/* invert order */
  	i = 0;
  	j = *nocs - 1;
  	while ( i < j ) {
  		ConfigOCs *tmp = colst[i];
  		colst[i] = colst[j];
  		colst[j] = tmp;
  		if (tmp->co_type == Cft_Misc)
  			misc = j;
  		i++; j--;
  	}
  	/* Move misc class to front of list */
  	if (misc > 0) {
  		ConfigOCs *tmp = colst[misc];
  		for (i=misc; i>0; i--)
  			colst[i] = colst[i-1];
  		colst[0] = tmp;
  	}
  
  	return colst;
  }
  
  static int
  cfAddInclude( CfEntryInfo *p, Entry *e, ConfigArgs *ca )
  {
  	/* Leftover from RE23. Never parse this entry */
  	return LDAP_COMPARE_TRUE;
  }
  
  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->ca_private = cfn;
  		return LDAP_COMPARE_TRUE;
  	}
  	if ( p->ce_type != Cft_Schema )
  		return LDAP_CONSTRAINT_VIOLATION;
  
  	cfn = ch_calloc( 1, sizeof(ConfigFile) );
  	ca->ca_private = cfn;
  	cfo = p->ce_private;
  	cfn->c_sibs = cfo->c_kids;
  	cfo->c_kids = cfn;
  	return LDAP_SUCCESS;
  }
  
  static int
  cfAddDatabase( CfEntryInfo *p, Entry *e, struct config_args_s *ca )
  {
  	if ( p->ce_type != Cft_Global ) {
  		return LDAP_CONSTRAINT_VIOLATION;
  	}
  	/* config must be {0}, nothing else allowed */
  	if ( !strncmp( e->e_nname.bv_val, "olcDatabase={0}", STRLENOF("olcDatabase={0}")) &&
  		strncmp( e->e_nname.bv_val + STRLENOF("olcDatabase={0}"), "config,", STRLENOF("config,") )) {
  		return LDAP_CONSTRAINT_VIOLATION;
  	}
  	ca->be = frontendDB;	/* just to get past check_vals */
  	return LDAP_SUCCESS;
  }
  
  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;
  }
  
  static void
  schema_destroy_one( ConfigArgs *ca, ConfigOCs **colst, int nocs,
  	CfEntryInfo *p )
  {
  	ConfigTable *ct;
  	ConfigFile *cfo;
  	AttributeDescription *ad;
  	const char *text;
  
  	ca->valx = -1;
  	ca->line = NULL;
  	ca->argc = 1;
  	if ( cfn->c_cr_head ) {
  		struct berval bv = BER_BVC("olcDitContentRules");
  		ad = NULL;
  		slap_bv2ad( &bv, &ad, &text );
  		ct = config_find_table( colst, nocs, ad, ca );
  		config_del_vals( ct, ca );
  	}
  	if ( cfn->c_oc_head ) {
  		struct berval bv = BER_BVC("olcObjectClasses");
  		ad = NULL;
  		slap_bv2ad( &bv, &ad, &text );
  		ct = config_find_table( colst, nocs, ad, ca );
  		config_del_vals( ct, ca );
  	}
  	if ( cfn->c_at_head ) {
  		struct berval bv = BER_BVC("olcAttributeTypes");
  		ad = NULL;
  		slap_bv2ad( &bv, &ad, &text );
  		ct = config_find_table( colst, nocs, ad, ca );
  		config_del_vals( ct, ca );
  	}
  	if ( cfn->c_syn_head ) {
  		struct berval bv = BER_BVC("olcLdapSyntaxes");
  		ad = NULL;
  		slap_bv2ad( &bv, &ad, &text );
  		ct = config_find_table( colst, nocs, ad, ca );
  		config_del_vals( ct, ca );
  	}
  	if ( cfn->c_om_head ) {
  		struct berval bv = BER_BVC("olcObjectIdentifier");
  		ad = NULL;
  		slap_bv2ad( &bv, &ad, &text );
  		ct = config_find_table( colst, nocs, ad, ca );
  		config_del_vals( ct, ca );
  	}
  	cfo = p->ce_private;
  	cfo->c_kids = cfn->c_sibs;
  	ch_free( cfn );
  }
  
  static int
  config_add_oc( ConfigOCs **cop, CfEntryInfo *last, Entry *e, ConfigArgs *ca )
  {
  	int		rc = LDAP_CONSTRAINT_VIOLATION;
  	ObjectClass	**ocp;
  
  	if ( (*cop)->co_ldadd ) {
  		rc = (*cop)->co_ldadd( last, e, ca );
  		if ( rc != LDAP_CONSTRAINT_VIOLATION ) {
  			return rc;
  		}
  	}
  
  	for ( ocp = (*cop)->co_oc->soc_sups; ocp && *ocp; ocp++ ) {
  		ConfigOCs	co = { 0 };
  
  		co.co_name = &(*ocp)->soc_cname;
  		*cop = avl_find( CfOcTree, &co, CfOc_cmp );
  		if ( *cop == NULL ) {
  			return rc;
  		}
  
  		rc = config_add_oc( cop, last, e, ca );
  		if ( rc != LDAP_CONSTRAINT_VIOLATION ) {
  			return rc;
  		}
  	}
  
  	return rc;
  }
  
  /* Parse an LDAP entry into config directives */
  static int
  config_add_internal( CfBackInfo *cfb, Entry *e, ConfigArgs *ca, SlapReply *rs,
  	int *renum, Operation *op )
  {
  	CfEntryInfo	*ce, *last = NULL;
  	ConfigOCs	co, *coptr, **colst;
  	Attribute	*a, *oc_at, *soc_at;
  	int		i, ibase = -1, nocs, rc = 0;
  	struct berval	pdn;
  	ConfigTable	*ct;
  	char		*ptr, *log_prefix = op ? op->o_log_prefix : "";
  
  	memset( ca, 0, sizeof(ConfigArgs));
  
  	/* Make sure parent exists and entry does not. But allow
  	 * Databases and Overlays to be inserted. Don't do any
  	 * auto-renumbering if manageDSAit control is present.
  	 */
  	ce = config_find_base( cfb->cb_root, &e->e_nname, &last );
  	if ( ce ) {
  		if ( ( op && op->o_managedsait ) ||
  			( ce->ce_type != Cft_Database && ce->ce_type != Cft_Overlay &&
  			  ce->ce_type != Cft_Module ) )
  		{
  			Debug( LDAP_DEBUG_TRACE, "%s: config_add_internal: "
  				"DN=\"%s\" already exists\n",
  				log_prefix, e->e_name.bv_val );
  			/* global schema ignores all writes */
  			if ( ce->ce_type == Cft_Schema && ce->ce_parent->ce_type == Cft_Global )
  				return LDAP_COMPARE_TRUE;
  			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.
  	 */
  	if ( last && !dn_match( &last->ce_entry->e_nname, &pdn ) ) {
  		if ( rs ) {
  			rs->sr_matched = last->ce_entry->e_name.bv_val;
  		}
  		Debug( LDAP_DEBUG_TRACE, "%s: config_add_internal: "
  			"DN=\"%s\" not child of DN=\"%s\"\n",
  			log_prefix, e->e_name.bv_val,
  			last->ce_entry->e_name.bv_val );
  		return LDAP_NO_SUCH_OBJECT;
  	}
  
  	if ( op ) {
  		/* No parent, must be root. This will never happen... */
  		if ( !last && !be_isroot( op ) && !be_shadow_update( op ) ) {
  			return LDAP_NO_SUCH_OBJECT;
  		}
  
  		if ( last && !access_allowed( op, last->ce_entry,
  			slap_schema.si_ad_children, NULL, ACL_WADD, NULL ) )
  		{
  			Debug( LDAP_DEBUG_TRACE, "%s: config_add_internal: "
  				"DN=\"%s\" no write access to \"children\" of parent\n",
  				log_prefix, e->e_name.bv_val );
  			return LDAP_INSUFFICIENT_ACCESS;
  		}
  	}
  
  	oc_at = attr_find( e->e_attrs, slap_schema.si_ad_objectClass );
  	if ( !oc_at ) {
  		Debug( LDAP_DEBUG_TRACE, "%s: config_add_internal: "
  			"DN=\"%s\" no objectClass\n",
  			log_prefix, e->e_name.bv_val );
  		return LDAP_OBJECT_CLASS_VIOLATION;
  	}
  
  	soc_at = attr_find( e->e_attrs, slap_schema.si_ad_structuralObjectClass );
  	if ( !soc_at ) {
  		ObjectClass	*soc = NULL;
  		char		textbuf[ SLAP_TEXT_BUFLEN ];
  		const char	*text = textbuf;
  
  		/* FIXME: check result */
  		rc = structural_class( oc_at->a_nvals, &soc, NULL,
  			&text, textbuf, sizeof(textbuf), NULL );
  		if ( rc != LDAP_SUCCESS ) {
  			Debug( LDAP_DEBUG_TRACE, "%s: config_add_internal: "
  				"DN=\"%s\" no structural objectClass (%s)\n",
  				log_prefix, e->e_name.bv_val, text );
  			return rc;
  		}
  		attr_merge_one( e, slap_schema.si_ad_structuralObjectClass, &soc->soc_cname, NULL );
  		soc_at = attr_find( e->e_attrs, slap_schema.si_ad_structuralObjectClass );
  		if ( soc_at == NULL ) {
  			Debug( LDAP_DEBUG_TRACE, "%s: config_add_internal: "
  				"DN=\"%s\" no structural objectClass; "
  				"unable to merge computed class %s\n",
  				log_prefix, e->e_name.bv_val,
  				soc->soc_cname.bv_val );
  			return LDAP_OBJECT_CLASS_VIOLATION;
  		}
  
  		Debug( LDAP_DEBUG_TRACE, "%s: config_add_internal: "
  			"DN=\"%s\" no structural objectClass; "
  			"computed objectClass %s merged\n",
  			log_prefix, e->e_name.bv_val,
  			soc->soc_cname.bv_val );
  	}
  
  	/* Fake the coordinates based on whether we're part of an
  	 * LDAP Add or if reading the config dir
  	 */
  	if ( rs ) {
  		ca->fname = "slapd";
  		ca->lineno = 0;
  	} else {
  		ca->fname = cfdir.bv_val;
  		ca->lineno = 1;
  	}
  	ca->ca_op = op;
  
  	co.co_name = &soc_at->a_nvals[0];
  	coptr = avl_find( CfOcTree, &co, CfOc_cmp );
  	if ( coptr == NULL ) {
  		Debug( LDAP_DEBUG_TRACE, "%s: config_add_internal: "
  			"DN=\"%s\" no structural objectClass in configuration table\n",
  			log_prefix, e->e_name.bv_val );
  		return LDAP_OBJECT_CLASS_VIOLATION;
  	}
  
  	/* Only the root can be Cft_Global, everything else must
  	 * have a parent. Only limited nesting arrangements are allowed.
  	 */
  	rc = LDAP_CONSTRAINT_VIOLATION;
  	if ( coptr->co_type == Cft_Global && !last ) {
  		cfn = cfb->cb_config;
  		ca->ca_private = cfn;
  		ca->be = frontendDB;	/* just to get past check_vals */
  		rc = LDAP_SUCCESS;
  	}
  
  	colst = count_ocs( oc_at, &nocs );
  
  	/* Check whether the Add is allowed by its parent, and do
  	 * any necessary arg setup
  	 */
  	if ( last ) {
  		rc = config_add_oc( &coptr, last, e, ca );
  		if ( rc == LDAP_CONSTRAINT_VIOLATION ) {
  			for ( i = 0; i<nocs; i++ ) {
  				/* Already checked these */
  				if ( colst[i]->co_oc->soc_kind == LDAP_SCHEMA_STRUCTURAL )
  					continue;
  				if ( colst[i]->co_ldadd &&
  					( rc = colst[i]->co_ldadd( last, e, ca ))
  						!= LDAP_CONSTRAINT_VIOLATION ) {
  					coptr = colst[i];
  					break;
  				}
  			}
  		}
  		if ( rc == LDAP_CONSTRAINT_VIOLATION ) {
  			Debug( LDAP_DEBUG_TRACE, "%s: config_add_internal: "
  				"DN=\"%s\" no structural objectClass add function\n",
  				log_prefix, e->e_name.bv_val );
  			return LDAP_OBJECT_CLASS_VIOLATION;
  		}
  	}
  
  	/* 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 done_noop;
  
  	/* 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
  	 * cause the following entries to be renumbered/bumped down.
  	 *
  	 * Note that "pseudo-indexed" entries (cn=Include{xx}, cn=Module{xx})
  	 * don't allow Adding an entry with an index that's already in use.
  	 * This is flagged as an error (LDAP_ALREADY_EXISTS) up above.
  	 *
  	 * These entries can have auto-assigned indexes (appended to the end)
  	 * but only the other types support auto-renumbering of siblings.
  	 */
  	{
  		rc = check_name_index( last, coptr->co_type, e, rs, renum,
  			&ibase );
  		if ( rc ) {
  			goto done_noop;
  		}
  		if ( renum && *renum && coptr->co_type != Cft_Database &&
  			coptr->co_type != Cft_Overlay )
  		{
  			snprintf( ca->cr_msg, sizeof( ca->cr_msg ),
  				"operation requires sibling renumbering" );
  			rc = LDAP_UNWILLING_TO_PERFORM;
  			goto done_noop;
  		}
  	}
  
  	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 == oc_at ) continue;
  		ct = config_find_table( colst, nocs, a->a_desc, ca );
  		if ( !ct ) continue;	/* user data? */
  		rc = check_vals( ct, ca, a, 1 );
  		if ( rc ) goto done_noop;
  	}
  
  	/* Basic syntax checks are OK. Do the actual settings. */
  	for ( a=e->e_attrs; a; a=a->a_next ) {
  		if ( a == oc_at ) continue;
  		ct = config_find_table( colst, nocs, a->a_desc, ca );
  		if ( !ct ) continue;	/* user data? */
  		for (i=0; a->a_vals[i].bv_val; i++) {
  			char *iptr = NULL;
  			ca->valx = -1;
  			ca->line = a->a_vals[i].bv_val;
  			ca->linelen = a->a_vals[i].bv_len;
  			if ( a->a_desc->ad_type->sat_flags & SLAP_AT_ORDERED ) {
  				ptr = strchr( ca->line, '}' );
  				if ( ptr ) {
  					iptr = strchr( ca->line, '{' );
  					ca->linelen -= (ptr+1) - ca->line;
  					ca->line = ptr+1;
  				}
  			}
  			if ( a->a_desc->ad_type->sat_flags & SLAP_AT_ORDERED_SIB ) {
  				if ( iptr ) {
  					ca->valx = strtol( iptr+1, NULL, 0 );
  				}
  			} else {
  				ca->valx = i;
  			}
  			rc = config_parse_add( ct, ca, i );
  			if ( rc ) {
  				rc = LDAP_OTHER;
  				goto done;
  			}
  		}
  	}
  ok:
  	/* Newly added databases and overlays need to be started up */
  	if ( CONFIG_ONLINE_ADD( ca )) {
  		if ( coptr->co_type == Cft_Database ) {
  			rc = backend_startup_one( ca->be, &ca->reply );
  
  		} else if ( coptr->co_type == Cft_Backend ) {
  			if ( ca->bi->bi_open ) {
  				rc = ca->bi->bi_open( ca->bi );
  			}
  
  		} else if ( coptr->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->reply );
  				ca->be->bd_info = bi_orig;
  			}
  		} else if ( ca->num_cleanups ) {
  			rc = config_run_cleanup( ca );
  		}
  		if ( rc ) {
  			if (ca->cr_msg[0] == '\0')
  				snprintf( ca->cr_msg, sizeof( ca->cr_msg ), "<%s> failed startup", ca->argv[0] );
  
  			Debug(LDAP_DEBUG_ANY, "%s: %s (%s)!\n",
  				ca->log, ca->cr_msg, ca->argv[1] );
  			rc = LDAP_OTHER;
  			goto done;
  		}
  	}
  
  	ca->valx = ibase;
  	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 = coptr->co_type;
  	ce->ce_be = ca->be;
  	ce->ce_bi = ca->bi;
  	ce->ce_private = ca->ca_private;
  	ca->ca_entry = ce->ce_entry;
  	if ( !last ) {
  		cfb->cb_root = ce;
  	} else if ( last->ce_kids ) {
  		CfEntryInfo *c2, **cprev;
  
  		/* Advance to first of this type */
  		cprev = &last->ce_kids;
  		for ( c2 = *cprev; c2 && c2->ce_type < ce->ce_type; ) {
  			cprev = &c2->ce_sibs;
  			c2 = c2->ce_sibs;
  		}
  		/* Account for the (-1) frontendDB entry */
  		if ( ce->ce_type == Cft_Database ) {
  			if ( ca->be == frontendDB )
  				ibase = 0;
  			else if ( ibase != -1 )
  				ibase++;
  		}
  		/* Append */
  		if ( ibase < 0 ) {
  			for (c2 = *cprev; c2 && c2->ce_type == ce->ce_type;) {
  				cprev = &c2->ce_sibs;
  				c2 = c2->ce_sibs;
  			}
  		} else {
  		/* Insert */
  			int i;
  			for ( i=0; i<ibase; i++ ) {
  				c2 = *cprev;
  				cprev = &c2->ce_sibs;
  			}
  		}
  		ce->ce_sibs = *cprev;
  		*cprev = ce;
  	} else {
  		last->ce_kids = ce;
  	}
  
  done:
  	if ( rc ) {
  		if ( (coptr->co_type == Cft_Database) && ca->be ) {
  			if ( ca->be != frontendDB )
  				backend_destroy_one( ca->be, 1 );
  		} else if ( (coptr->co_type == Cft_Overlay) && ca->bi ) {
  			overlay_destroy_one( ca->be, (slap_overinst *)ca->bi );
  		} else if ( coptr->co_type == Cft_Schema ) {
  			schema_destroy_one( ca, colst, nocs, last );
  		} else if ( ca->num_cleanups ) {
  			config_run_cleanup( ca );
  		}
  	}
  done_noop:
  
  	ch_free( ca->argv );
  	if ( colst ) ch_free( colst );
  	return rc;
  }
  
  #define	BIGTMP	10000
  static int
  config_rename_add( Operation *op, SlapReply *rs, CfEntryInfo *ce,
  	int base, int rebase, int max, int use_ldif )
  {
  	CfEntryInfo *ce2, *ce3, *cetmp = NULL, *cerem = NULL;
  	ConfigType etype = ce->ce_type;
  	int count = 0, rc = 0;
  
  	/* Reverse ce list */
  	for (ce2 = ce->ce_sibs;ce2;ce2 = ce3) {
  		if (ce2->ce_type != etype) {
  			cerem = ce2;
  			break;
  		}
  		ce3 = ce2->ce_sibs;
  		ce2->ce_sibs = cetmp;
  		cetmp = ce2;
  		count++;
  		if ( max && count >= max ) {
  			cerem = ce3;
  			break;
  		}
  	}
  
  	/* Move original to a temp name until increments are done */
  	if ( rebase ) {
  		ce->ce_entry->e_private = NULL;
  		rc = config_renumber_one( op, rs, ce->ce_parent, ce->ce_entry,
  			base+BIGTMP, 0, use_ldif );
  		ce->ce_entry->e_private = ce;
  	}
  	/* start incrementing */
  	for (ce2=cetmp; ce2; ce2=ce3) {
  		ce3 = ce2->ce_sibs;
  		ce2->ce_sibs = cerem;
  		cerem = ce2;
  		if ( rc == 0 ) 
  			rc = config_renumber_one( op, rs, ce2->ce_parent, ce2->ce_entry,
  				count+base, 0, use_ldif );
  		count--;
  	}
  	if ( rebase )
  		rc = config_renumber_one( op, rs, ce->ce_parent, ce->ce_entry,
  			base, 0, use_ldif );
  	return rc;
  }
  
  static int
  config_rename_del( Operation *op, SlapReply *rs, CfEntryInfo *ce,
  	CfEntryInfo *ce2, int old, int use_ldif )
  {
  	int count = 0;
  
  	/* Renumber original to a temp value */
  	ce->ce_entry->e_private = NULL;
  	config_renumber_one( op, rs, ce->ce_parent, ce->ce_entry,
  		old+BIGTMP, 0, use_ldif );
  	ce->ce_entry->e_private = ce;
  
  	/* start decrementing */
  	for (; ce2 != ce; ce2=ce2->ce_sibs) {
  		config_renumber_one( op, rs, ce2->ce_parent, ce2->ce_entry,
  			count+old, 0, use_ldif );
  		count++;
  	}
  	return config_renumber_one( op, rs, ce->ce_parent, ce->ce_entry,
  		count+old, 0, use_ldif );
  }
  
  /* Parse an LDAP entry into config directives, then store in underlying
   * database.
   */
  static int
  config_back_add( Operation *op, SlapReply *rs )
  {
  	CfBackInfo *cfb;
  	int renumber, dopause = 1;
  	ConfigArgs ca;
  
  	if ( !access_allowed( op, op->ora_e, slap_schema.si_ad_entry,
  		NULL, ACL_WADD, NULL )) {
  		rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
  		goto out;
  	}
  
  	/*
  	 * Check for attribute ACL
  	 */
  	if ( !acl_check_modlist( op, op->ora_e, op->orm_modlist )) {
  		rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
  		rs->sr_text = "no write access to attribute";
  		goto out;
  	}
  
  	cfb = (CfBackInfo *)op->o_bd->be_private;
  
  	/* add opattrs for syncprov */
  	{
  		char textbuf[SLAP_TEXT_BUFLEN];
  		size_t textlen = sizeof textbuf;
  		rs->sr_err = entry_schema_check(op, op->ora_e, NULL, 0, 1, NULL,
  			&rs->sr_text, textbuf, sizeof( textbuf ) );
  		if ( rs->sr_err != LDAP_SUCCESS )
  			goto out;
  		rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 );
  		if ( rs->sr_err != LDAP_SUCCESS ) {
  			Debug( LDAP_DEBUG_TRACE,
  				LDAP_XSTRING(config_back_add) ": entry failed op attrs add: "
  				"%s (%d)\n", rs->sr_text, rs->sr_err );
  			goto out;
  		}
  	}
  
  	if ( op->o_abandon ) {
  		rs->sr_err = SLAPD_ABANDON;
  		goto out;
  	}
  	if ( slap_pause_server() < 0 )
  		dopause = 0;
  
  	/* Strategy:
  	 * 1) check for existence of entry
  	 * 2) check for sibling renumbering
  	 * 3) perform internal add
  	 * 4) perform any necessary renumbering
  	 * 5) store entry in underlying database
  	 */
  	rs->sr_err = config_add_internal( cfb, op->ora_e, &ca, rs, &renumber, op );
  	if ( rs->sr_err != LDAP_SUCCESS ) {
  		rs->sr_text = ca.cr_msg;
  		goto out2;
  	}
  
  	if ( renumber ) {
  		CfEntryInfo *ce = ca.ca_entry->e_private;
  		req_add_s addr = op->oq_add;
  		op->o_tag = LDAP_REQ_MODRDN;
  		rs->sr_err = config_rename_add( op, rs, ce, ca.valx, 0, 0, cfb->cb_use_ldif );
  		op->o_tag = LDAP_REQ_ADD;
  		op->oq_add = addr;
  		if ( rs->sr_err != LDAP_SUCCESS ) {
  			goto out2;
  		}
  	}
  
  	if ( cfb->cb_use_ldif ) {
  		BackendDB *be = op->o_bd;
  		slap_callback sc = { NULL, slap_null_cb, NULL, NULL }, *scp;
  		struct berval dn, ndn;
  
  		op->o_bd = &cfb->cb_db;
  
  		/* Save current rootdn; use the underlying DB's rootdn */
  		dn = op->o_dn;
  		ndn = op->o_ndn;
  		op->o_dn = op->o_bd->be_rootdn;
  		op->o_ndn = op->o_bd->be_rootndn;
  
  		scp = op->o_callback;
  		op->o_callback = &sc;
  		op->o_bd->be_add( op, rs );
  		op->o_bd = be;
  		op->o_callback = scp;
  		op->o_dn = dn;
  		op->o_ndn = ndn;
  	}
  
  out2:;
  	if ( dopause )
  		slap_unpause_server();
  
  out:;
  	{	int repl = op->o_dont_replicate;
  		if ( rs->sr_err == LDAP_COMPARE_TRUE ) {
  			rs->sr_text = NULL; /* Set after config_add_internal */
  			rs->sr_err = LDAP_SUCCESS;
  			op->o_dont_replicate = 1;
  		}
  		send_ldap_result( op, rs );
  		op->o_dont_replicate = repl;
  	}
  	slap_graduate_commit_csn( op );
  	return rs->sr_err;
  }
  
  typedef struct delrec {
  	struct delrec *next;
  	int nidx;
  	int idx[1];
  } delrec;
  
  static int
  config_modify_add( ConfigTable *ct, ConfigArgs *ca, AttributeDescription *ad,
  	int i )
  {
  	int rc;
  
  	ca->valx = -1;
  	if (ad->ad_type->sat_flags & SLAP_AT_ORDERED &&
  		ca->line[0] == '{' )
  	{
  		char *ptr = strchr( ca->line + 1, '}' );
  		if ( ptr ) {
  			char	*next;
  
  			ca->valx = strtol( ca->line + 1, &next, 0 );
  			if ( next == ca->line + 1 || next[ 0 ] != '}' ) {
  				return LDAP_OTHER;
  			}
  			ca->linelen -= (ptr+1) - ca->line;
  			ca->line = ptr+1;
  		}
  	}
  	rc = config_parse_add( ct, ca, i );
  	if ( rc ) {
  		rc = LDAP_OTHER;
  	}
  	return rc;
  }
  
  static int
  config_modify_internal( CfEntryInfo *ce, Operation *op, SlapReply *rs,
  	ConfigArgs *ca )
  {
  	int rc = LDAP_UNWILLING_TO_PERFORM;
  	Modifications *ml;
  	Entry *e = ce->ce_entry;
  	Attribute *save_attrs = e->e_attrs, *oc_at, *s, *a;
  	ConfigTable *ct;
  	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;
  
  	for (ml = op->orm_modlist; ml; ml=ml->sml_next) {
  		if (ml->sml_desc == slap_schema.si_ad_objectClass)
  			return rc;
  	}
  
  	colst = count_ocs( oc_at, &nocs );
  
  	/* make sure add/del flags are clear; should always be true */
  	for ( s = save_attrs; s; s = s->a_next ) {
  		s->a_flags &= ~(SLAP_ATTR_IXADD|SLAP_ATTR_IXDEL);
  	}
  
  	e->e_attrs = attrs_dup( e->e_attrs );
  
  	init_config_argv( ca );
  	ca->be = ce->ce_be;
  	ca->bi = ce->ce_bi;
  	ca->ca_private = ce->ce_private;
  	ca->ca_entry = e;
  	ca->fname = "slapd";
  	ca->ca_op = op;
  	strcpy( ca->log, "back-config" );
  
  	for (ml = op->orm_modlist; ml; ml=ml->sml_next) {
  		ct = config_find_table( colst, nocs, ml->sml_desc, ca );
  		switch (ml->sml_op) {
  		case LDAP_MOD_DELETE:
  		case LDAP_MOD_REPLACE:
  		case SLAP_MOD_SOFTDEL:
  		{
  			BerVarray vals = NULL, nvals = NULL;
  			int *idx = NULL;
  			if ( ct && ( ct->arg_type & ARG_NO_DELETE )) {
  				rc = LDAP_OTHER;
  				snprintf(ca->cr_msg, sizeof(ca->cr_msg), "cannot delete %s",
  					ml->sml_desc->ad_cname.bv_val );
  				goto out_noop;
  			}
  			if ( ml->sml_op == LDAP_MOD_REPLACE ) {
  				vals = ml->sml_values;
  				nvals = ml->sml_nvalues;
  				ml->sml_values = NULL;
  				ml->sml_nvalues = NULL;
  			}
  			/* If we're deleting by values, remember the indexes of the
  			 * values we deleted.
  			 */
  			if ( ct && ml->sml_values ) {
  				delrec *d;
  				i = ml->sml_numvals;
  				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, ca->cr_msg, sizeof(ca->cr_msg), idx );
  			if ( ml->sml_op == LDAP_MOD_REPLACE ) {
  				ml->sml_values = vals;
  				ml->sml_nvalues = nvals;
  			}
  			if ( rc == LDAP_NO_SUCH_ATTRIBUTE && ml->sml_op == SLAP_MOD_SOFTDEL )
  			{
  				rc = LDAP_SUCCESS;
  			}
  			/* FIXME: check rc before fallthru? */
  			if ( !vals )
  				break;
  		}
  			/* FALLTHRU: LDAP_MOD_REPLACE && vals */
  
  		case SLAP_MOD_ADD_IF_NOT_PRESENT:
  			if ( ml->sml_op == SLAP_MOD_ADD_IF_NOT_PRESENT
  				&& attr_find( e->e_attrs, ml->sml_desc ) )
  			{
  				rc = LDAP_SUCCESS;
  				break;
  			}
  
  		case LDAP_MOD_ADD:
  		case SLAP_MOD_SOFTADD: {
  			int mop = ml->sml_op;
  			int navals = -1;
  			ml->sml_op = LDAP_MOD_ADD;
  			if ( ct ) {
  				if ( ct->arg_type & ARG_NO_INSERT ) {
  					Attribute *a = attr_find( e->e_attrs, ml->sml_desc );
  					if ( a ) {
  						navals = a->a_numvals;
  					}
  				}
  				for ( i=0; !BER_BVISNULL( &ml->sml_values[i] ); i++ ) {
  					if ( ml->sml_values[i].bv_val[0] == '{' &&
  						navals >= 0 )
  					{
  						char	*next, *val = ml->sml_values[i].bv_val + 1;
  						int	j;
  
  						j = strtol( val, &next, 0 );
  						if ( next == val || next[ 0 ] != '}' || j < navals ) {
  							rc = LDAP_OTHER;
  							snprintf(ca->cr_msg, sizeof(ca->cr_msg), "cannot insert %s",
  								ml->sml_desc->ad_cname.bv_val );
  							goto out_noop;
  						}
  					}
  					rc = check_vals( ct, ca, ml, 0 );
  					if ( rc ) goto out_noop;
  				}
  			}
  			rc = modify_add_values(e, &ml->sml_mod,
  				   get_permissiveModify(op),
  				   &rs->sr_text, ca->cr_msg, sizeof(ca->cr_msg) );
  
  			/* If value already exists, show success here
  			 * and ignore this operation down below.
  			 */
  			if ( mop == SLAP_MOD_SOFTADD ) {
  				if ( rc == LDAP_TYPE_OR_VALUE_EXISTS )
  					rc = LDAP_SUCCESS;
  				else
  					mop = LDAP_MOD_ADD;
  			}
  			ml->sml_op = mop;
  			break;
  			}
  
  			break;
  		case LDAP_MOD_INCREMENT:	/* FIXME */
  			break;
  		default:
  			break;
  		}
  		if(rc != LDAP_SUCCESS) break;
  	}
  	
  	if ( rc == LDAP_SUCCESS) {
  		/* check that the entry still obeys the schema */
  		rc = entry_schema_check(op, e, NULL, 0, 0, NULL,
  			&rs->sr_text, ca->cr_msg, sizeof(ca->cr_msg) );
  	}
  	if ( rc ) goto out_noop;
  
  	/* Basic syntax checks are OK. Do the actual settings. */
  	for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
  		ct = config_find_table( colst, nocs, ml->sml_desc, ca );
  		if ( !ct ) continue;
  
  		s = attr_find( save_attrs, ml->sml_desc );
  		a = attr_find( e->e_attrs, ml->sml_desc );
  
  		switch (ml->sml_op) {
  		case LDAP_MOD_DELETE:
  		case LDAP_MOD_REPLACE: {
  			BerVarray vals = NULL, nvals = NULL;
  			delrec *d = NULL;
  
  			if ( ml->sml_op == LDAP_MOD_REPLACE ) {
  				vals = ml->sml_values;
  				nvals = ml->sml_nvalues;
  				ml->sml_values = NULL;
  				ml->sml_nvalues = NULL;
  			}
  
  			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->linelen = bv.bv_len;
  					ca->valx = d->idx[i];
  					config_parse_vals(ct, ca, d->idx[i] );
  					rc = config_del_vals( ct, ca );
  					if ( rc != LDAP_SUCCESS ) break;
  					if ( s )
  						s->a_flags |= SLAP_ATTR_IXDEL;
  					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;
  				ca->argc = 1;
  				rc = config_del_vals( ct, ca );
  				if ( rc ) rc = LDAP_OTHER;
  				if ( s )
  					s->a_flags |= SLAP_ATTR_IXDEL;
  			}
  			if ( ml->sml_values ) {
  				d = d->next;
  				ch_free( dels );
  				dels = d;
  			}
  			if ( ml->sml_op == LDAP_MOD_REPLACE ) {
  				ml->sml_values = vals;
  				ml->sml_nvalues = nvals;
  			}
  			if ( !vals || rc != LDAP_SUCCESS )
  				break;
  			}
  			/* FALLTHRU: LDAP_MOD_REPLACE && vals */
  
  		case LDAP_MOD_ADD:
  			if ( !a )
  				break;
  			for (i=0; ml->sml_values[i].bv_val; i++) {
  				ca->line = ml->sml_values[i].bv_val;
  				ca->linelen = ml->sml_values[i].bv_len;
  				ca->valx = -1;
  				rc = config_modify_add( ct, ca, ml->sml_desc, i );
  				if ( rc )
  					goto out;
  				a->a_flags |= SLAP_ATTR_IXADD;
  			}
  			break;
  		}
  	}
  
  out:
  	/* Undo for a failed operation */
  	if ( rc != LDAP_SUCCESS ) {
  		ConfigReply msg = ca->reply;
  		for ( s = save_attrs; s; s = s->a_next ) {
  			if ( s->a_flags & SLAP_ATTR_IXDEL ) {
  				s->a_flags &= ~(SLAP_ATTR_IXDEL|SLAP_ATTR_IXADD);
  				ct = config_find_table( colst, nocs, s->a_desc, ca );
  				a = attr_find( e->e_attrs, s->a_desc );
  				if ( a ) {
  					/* clear the flag so the add check below will skip it */
  					a->a_flags &= ~(SLAP_ATTR_IXDEL|SLAP_ATTR_IXADD);
  					ca->valx = -1;
  					ca->line = NULL;
  					ca->argc = 1;
  					config_del_vals( ct, ca );
  				}
  				for ( i=0; !BER_BVISNULL( &s->a_vals[i] ); i++ ) {
  					ca->line = s->a_vals[i].bv_val;
  					ca->linelen = s->a_vals[i].bv_len;
  					ca->valx = -1;
  					config_modify_add( ct, ca, s->a_desc, i );
  				}
  			}
  		}
  		for ( a = e->e_attrs; a; a = a->a_next ) {
  			if ( a->a_flags & SLAP_ATTR_IXADD ) {
  				ct = config_find_table( colst, nocs, a->a_desc, ca );
  				ca->valx = -1;
  				ca->line = NULL;
  				ca->argc = 1;
  				config_del_vals( ct, ca );
  				s = attr_find( save_attrs, a->a_desc );
  				if ( s ) {
  					s->a_flags &= ~(SLAP_ATTR_IXDEL|SLAP_ATTR_IXADD);
  					for ( i=0; !BER_BVISNULL( &s->a_vals[i] ); i++ ) {
  						ca->line = s->a_vals[i].bv_val;
  						ca->linelen = s->a_vals[i].bv_len;
  						ca->valx = -1;
  						config_modify_add( ct, ca, s->a_desc, i );
  					}
  				}
  			}
  		}
  		ca->reply = msg;
  	}
  
  	if ( ca->num_cleanups ) {
  		i = config_run_cleanup( ca );
  		if (rc == LDAP_SUCCESS)
  			rc = i;
  	}
  out_noop:
  	if ( rc == LDAP_SUCCESS ) {
  		attrs_free( save_attrs );
  		rs->sr_text = NULL;
  	} else {
  		attrs_free( e->e_attrs );
  		e->e_attrs = save_attrs;
  	}
  	ch_free( ca->argv );
  	if ( colst ) ch_free( colst );
  	while( dels ) {
  		deltail = dels->next;
  		ch_free( dels );
  		dels = deltail;
  	}
  
  	return rc;
  }
  
  static int
  config_back_modify( Operation *op, SlapReply *rs )
  {
  	CfBackInfo *cfb;
  	CfEntryInfo *ce, *last;
  	Modifications *ml;
  	ConfigArgs ca = {0};
  	struct berval rdn;
  	char *ptr;
  	AttributeDescription *rad = NULL;
  	int do_pause = 1;
  
  	cfb = (CfBackInfo *)op->o_bd->be_private;
  
  	ce = config_find_base( cfb->cb_root, &op->o_req_ndn, &last );
  	if ( !ce ) {
  		if ( last )
  			rs->sr_matched = last->ce_entry->e_name.bv_val;
  		rs->sr_err = LDAP_NO_SUCH_OBJECT;
  		goto out;
  	}
  
  	if ( !acl_check_modlist( op, ce->ce_entry, op->orm_modlist )) {
  		rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
  		goto out;
  	}
  
  	/* Get type of RDN */
  	rdn = ce->ce_entry->e_nname;
  	ptr = strchr( rdn.bv_val, '=' );
  	rdn.bv_len = ptr - rdn.bv_val;
  	rs->sr_err = slap_bv2ad( &rdn, &rad, &rs->sr_text );
  	if ( rs->sr_err != LDAP_SUCCESS ) {
  		goto out;
  	}
  
  	/* Some basic validation... */
  	for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
  		/* Don't allow Modify of RDN; must use ModRdn for that. */
  		if ( ml->sml_desc == rad ) {
  			rs->sr_err = LDAP_NOT_ALLOWED_ON_RDN;
  			rs->sr_text = "Use modrdn to change the entry name";
  			goto out;
  		}
  		/* Internal update of contextCSN? */
  		if ( ml->sml_desc == slap_schema.si_ad_contextCSN && op->o_conn->c_conn_idx == -1 ) {
  			do_pause = 0;
  			break;
  		}
  	}
  
  	slap_mods_opattrs( op, &op->orm_modlist, 1 );
  
  	if ( do_pause ) {
  		if ( op->o_abandon ) {
  			rs->sr_err = SLAPD_ABANDON;
  			goto out;
  		}
  		if ( slap_pause_server() < 0 )
  			do_pause = 0;
  	}
  
  	/* Strategy:
  	 * 1) perform the Modify on the cached Entry.
  	 * 2) verify that the Entry still satisfies the schema.
  	 * 3) perform the individual config operations.
  	 * 4) store Modified entry in underlying LDIF backend.
  	 */
  	rs->sr_err = config_modify_internal( ce, op, rs, &ca );
  	if ( rs->sr_err ) {
  		rs->sr_text = ca.cr_msg;
  	} else if ( cfb->cb_use_ldif ) {
  		BackendDB *be = op->o_bd;
  		slap_callback sc = { NULL, slap_null_cb, NULL, NULL }, *scp;
  		struct berval dn, ndn;
  
  		op->o_bd = &cfb->cb_db;
  
  		dn = op->o_dn;
  		ndn = op->o_ndn;
  		op->o_dn = op->o_bd->be_rootdn;
  		op->o_ndn = op->o_bd->be_rootndn;
  
  		scp = op->o_callback;
  		op->o_callback = &sc;
  		op->o_bd->be_modify( op, rs );
  		op->o_bd = be;
  		op->o_callback = scp;
  		op->o_dn = dn;
  		op->o_ndn = ndn;
  	}
  
  	if ( do_pause )
  		slap_unpause_server();
  out:
  	send_ldap_result( op, rs );
  	slap_graduate_commit_csn( op );
  	return rs->sr_err;
  }
  
  static int
  config_back_modrdn( Operation *op, SlapReply *rs )
  {
  	CfBackInfo *cfb;
  	CfEntryInfo *ce, *last;
  	struct berval rdn;
  	int ixold, ixnew, dopause = 1;
  
  	cfb = (CfBackInfo *)op->o_bd->be_private;
  
  	ce = config_find_base( cfb->cb_root, &op->o_req_ndn, &last );
  	if ( !ce ) {
  		if ( last )
  			rs->sr_matched = last->ce_entry->e_name.bv_val;
  		rs->sr_err = LDAP_NO_SUCH_OBJECT;
  		goto out;
  	}
  	if ( !access_allowed( op, ce->ce_entry, slap_schema.si_ad_entry,
  		NULL, ACL_WRITE, NULL )) {
  		rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
  		goto out;
  	}
  	{ Entry *parent;
  		if ( ce->ce_parent )
  			parent = ce->ce_parent->ce_entry;
  		else
  			parent = (Entry *)&slap_entry_root;
  		if ( !access_allowed( op, parent, slap_schema.si_ad_children,
  			NULL, ACL_WRITE, NULL )) {
  			rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
  			goto out;
  		}
  	}
  
  	/* We don't allow moving objects to new parents.
  	 * Generally we only allow reordering a set of ordered entries.
  	 */
  	if ( op->orr_newSup ) {
  		rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  		goto out;
  	}
  
  	/* If newRDN == oldRDN, quietly succeed */
  	dnRdn( &op->o_req_ndn, &rdn );
  	if ( dn_match( &rdn, &op->orr_nnewrdn )) {
  		rs->sr_err = LDAP_SUCCESS;
  		goto out;
  	}
  
  	/* Current behavior, subject to change as needed:
  	 *
  	 * For backends and overlays, we only allow renumbering.
  	 * For schema, we allow renaming with the same number.
  	 * Otherwise, the op is not allowed.
  	 */
  
  	if ( ce->ce_type == Cft_Schema ) {
  		char *ptr1, *ptr2;
  		int len;
  
  		/* Can't alter the main cn=schema entry */
  		if ( ce->ce_parent->ce_type == Cft_Global ) {
  			rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  			rs->sr_text = "renaming not allowed for this entry";
  			goto out;
  		}
  
  		/* We could support this later if desired */
  		ptr1 = ber_bvchr( &rdn, '}' );
  		ptr2 = ber_bvchr( &op->orr_newrdn, '}' );
  		len = ptr1 - rdn.bv_val;
  		if ( len != ptr2 - op->orr_newrdn.bv_val ||
  			strncmp( rdn.bv_val, op->orr_newrdn.bv_val, len )) {
  			rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  			rs->sr_text = "schema reordering not supported";
  			goto out;
  		}
  	} else if ( ce->ce_type == Cft_Database ||
  		ce->ce_type == Cft_Overlay ) {
  		char *ptr1, *ptr2, *iptr1, *iptr2;
  		int len1, len2;
  
  		iptr2 = ber_bvchr( &op->orr_newrdn, '=' ) + 1;
  		if ( *iptr2 != '{' ) {
  			rs->sr_err = LDAP_NAMING_VIOLATION;
  			rs->sr_text = "new ordering index is required";
  			goto out;
  		}
  		iptr2++;
  		iptr1 = ber_bvchr( &rdn, '{' ) + 1;
  		ptr1 = ber_bvchr( &rdn, '}' );
  		ptr2 = ber_bvchr( &op->orr_newrdn, '}' );
  		if ( !ptr2 ) {
  			rs->sr_err = LDAP_NAMING_VIOLATION;
  			rs->sr_text = "new ordering index is required";
  			goto out;
  		}
  
  		len1 = ptr1 - rdn.bv_val;
  		len2 = ptr2 - op->orr_newrdn.bv_val;
  
  		if ( rdn.bv_len - len1 != op->orr_newrdn.bv_len - len2 ||
  			strncmp( ptr1, ptr2, rdn.bv_len - len1 )) {
  			rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  			rs->sr_text = "changing database/overlay type not allowed";
  			goto out;
  		}
  		ixold = strtol( iptr1, NULL, 0 );
  		ixnew = strtol( iptr2, &ptr1, 0 );
  		if ( ptr1 != ptr2 || ixold < 0 || ixnew < 0 ) {
  			rs->sr_err = LDAP_NAMING_VIOLATION;
  			goto out;
  		}
  		/* config DB is always 0, cannot be changed */
  		if ( ce->ce_type == Cft_Database && ( ixold == 0 || ixnew == 0 )) {
  			rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
  			goto out;
  		}
  	} else {
  		rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  		rs->sr_text = "renaming not supported for this entry";
  		goto out;
  	}
  
  	if ( op->o_abandon ) {
  		rs->sr_err = SLAPD_ABANDON;
  		goto out;
  	}
  	if ( slap_pause_server() < 0 )
  		dopause = 0;
  
  	if ( ce->ce_type == Cft_Schema ) {
  		req_modrdn_s modr = op->oq_modrdn;
  		struct berval rdn;
  		Attribute *a;
  		rs->sr_err = config_rename_attr( rs, ce->ce_entry, &rdn, &a );
  		if ( rs->sr_err == LDAP_SUCCESS ) {
  			rs->sr_err = config_rename_one( op, rs, ce->ce_entry,
  				ce->ce_parent, a, &op->orr_newrdn, &op->orr_nnewrdn,
  				cfb->cb_use_ldif );
  		}
  		op->oq_modrdn = modr;
  	} else {
  		CfEntryInfo *ce2, **cprev, **cbprev, *ceold;
  		req_modrdn_s modr = op->oq_modrdn;
  		int i;
  
  		/* Advance to first of this type */
  		cprev = &ce->ce_parent->ce_kids;
  		for ( ce2 = *cprev; ce2 && ce2->ce_type != ce->ce_type; ) {
  			cprev = &ce2->ce_sibs;
  			ce2 = ce2->ce_sibs;
  		}
  		/* Skip the -1 entry */
  		if ( ce->ce_type == Cft_Database ) {
  			cprev = &ce2->ce_sibs;
  			ce2 = ce2->ce_sibs;
  		}
  		cbprev = cprev;
  
  		/* Remove from old slot */
  		for ( ce2 = *cprev; ce2 && ce2 != ce; ce2 = ce2->ce_sibs )
  			cprev = &ce2->ce_sibs;
  		*cprev = ce->ce_sibs;
  		ceold = ce->ce_sibs;
  
  		/* Insert into new slot */
  		cprev = cbprev;
  		for ( i=0; i<ixnew; i++ ) {
  			ce2 = *cprev;
  			if ( !ce2 )
  				break;
  			cprev = &ce2->ce_sibs;
  		}
  		ce->ce_sibs = *cprev;
  		*cprev = ce;
  
  		ixnew = i;
  
  		/* NOTE: These should be encoded in the OC tables, not inline here */
  		if ( ce->ce_type == Cft_Database )
  			backend_db_move( ce->ce_be, ixnew );
  		else if ( ce->ce_type == Cft_Overlay )
  			overlay_move( ce->ce_be, (slap_overinst *)ce->ce_bi, ixnew );
  			
  		if ( ixold < ixnew ) {
  			rs->sr_err = config_rename_del( op, rs, ce, ceold, ixold,
  				cfb->cb_use_ldif );
  		} else {
  			rs->sr_err = config_rename_add( op, rs, ce, ixnew, 1,
  				ixold - ixnew, cfb->cb_use_ldif );
  		}
  		op->oq_modrdn = modr;
  	}
  
  	if ( dopause )
  		slap_unpause_server();
  out:
  	send_ldap_result( op, rs );
  	return rs->sr_err;
  }
  
  static int
  config_back_delete( Operation *op, SlapReply *rs )
  {
  #ifdef SLAP_CONFIG_DELETE
  	CfBackInfo *cfb;
  	CfEntryInfo *ce, *last, *ce2;
  	int dopause = 1;
  
  	cfb = (CfBackInfo *)op->o_bd->be_private;
  
  	ce = config_find_base( cfb->cb_root, &op->o_req_ndn, &last );
  	if ( !ce ) {
  		if ( last )
  			rs->sr_matched = last->ce_entry->e_name.bv_val;
  		rs->sr_err = LDAP_NO_SUCH_OBJECT;
  	} else if ( ce->ce_kids ) {
  		rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
  	} else if ( op->o_abandon ) {
  		rs->sr_err = SLAPD_ABANDON;
  	} else if ( ce->ce_type == Cft_Overlay ||
  			ce->ce_type == Cft_Database ||
  			ce->ce_type == Cft_Misc ){
  		char *iptr;
  		int count, ixold;
  
  		if ( slap_pause_server() < 0 )
  			dopause = 0;
  
  		if ( ce->ce_type == Cft_Overlay ){
  			overlay_remove( ce->ce_be, (slap_overinst *)ce->ce_bi, op );
  		} else if ( ce->ce_type == Cft_Misc ) {
  			/*
  			 * only Cft_Misc objects that have a co_lddel handler set in
  			 * the ConfigOCs struct can be deleted. This code also
  			 * assumes that the entry can be only have one objectclass
  			 * with co_type == Cft_Misc
  			 */
  			ConfigOCs co, *coptr;
  			Attribute *oc_at;
  			int i;
  
  			oc_at = attr_find( ce->ce_entry->e_attrs,
  					slap_schema.si_ad_objectClass );
  			if ( !oc_at ) {
  				rs->sr_err = LDAP_OTHER;
  				rs->sr_text = "objectclass not found";
  				if ( dopause ) slap_unpause_server();
  				goto out;
  			}
  			for ( i=0; !BER_BVISNULL(&oc_at->a_nvals[i]); i++ ) {
  				co.co_name = &oc_at->a_nvals[i];
  				coptr = avl_find( CfOcTree, &co, CfOc_cmp );
  				if ( coptr == NULL || coptr->co_type != Cft_Misc ) {
  					continue;
  				}
  				if ( ! coptr->co_lddel || coptr->co_lddel( ce, op ) ){
  					rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  					if ( ! coptr->co_lddel ) {
  						rs->sr_text = "No delete handler found";
  					} else {
  						rs->sr_err = LDAP_OTHER;
  						/* FIXME: We should return a helpful error message
  						 * here */
  					}
  					if ( dopause ) slap_unpause_server();
  					goto out;
  				}
  				break;
  			}
  		} else if (ce->ce_type == Cft_Database ) {
  			if ( ce->ce_be == frontendDB || ce->ce_be == op->o_bd ){
  				rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  				rs->sr_text = "Cannot delete config or frontend database";
  				if ( dopause ) slap_unpause_server();
  				goto out;
  			}
  			if ( ce->ce_be->bd_info->bi_db_close ) {
  				ce->ce_be->bd_info->bi_db_close( ce->ce_be, NULL );
  			}
  			backend_destroy_one( ce->ce_be, 1);
  		}
  
  		/* remove CfEntryInfo from the siblings list */
  		if ( ce->ce_parent->ce_kids == ce ) {
  			ce->ce_parent->ce_kids = ce->ce_sibs;
  		} else {
  			for ( ce2 = ce->ce_parent->ce_kids ; ce2; ce2 = ce2->ce_sibs ) {
  				if ( ce2->ce_sibs == ce ) {
  					ce2->ce_sibs = ce->ce_sibs;
  					break;
  				}
  			}
  		}
  
  		/* remove from underlying database */
  		if ( cfb->cb_use_ldif ) {
  			BackendDB *be = op->o_bd;
  			slap_callback sc = { NULL, slap_null_cb, NULL, NULL }, *scp;
  			struct berval dn, ndn, req_dn, req_ndn;
  
  			op->o_bd = &cfb->cb_db;
  
  			dn = op->o_dn;
  			ndn = op->o_ndn;
  			req_dn = op->o_req_dn;
  			req_ndn = op->o_req_ndn;
  
  			op->o_dn = op->o_bd->be_rootdn;
  			op->o_ndn = op->o_bd->be_rootndn;
  			op->o_req_dn = ce->ce_entry->e_name;
  			op->o_req_ndn = ce->ce_entry->e_nname;
  
  			scp = op->o_callback;
  			op->o_callback = &sc;
  			op->o_bd->be_delete( op, rs );
  			op->o_bd = be;
  			op->o_callback = scp;
  			op->o_dn = dn;
  			op->o_ndn = ndn;
  			op->o_req_dn = req_dn;
  			op->o_req_ndn = req_ndn;
  		}
  
  		/* renumber siblings */
  		iptr = ber_bvchr( &op->o_req_ndn, '{' ) + 1;
  		ixold = strtol( iptr, NULL, 0 );
  		for (ce2 = ce->ce_sibs, count=0; ce2; ce2=ce2->ce_sibs) {
  			config_renumber_one( op, rs, ce2->ce_parent, ce2->ce_entry,
  				count+ixold, 0, cfb->cb_use_ldif );
  			count++;
  		}
  
  		ce->ce_entry->e_private=NULL;
  		entry_free(ce->ce_entry);
  		ch_free(ce);
  		if ( dopause ) slap_unpause_server();
  	} else {
  		rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  	}
  out:
  #else
  	rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  #endif /* SLAP_CONFIG_DELETE */
  	send_ldap_result( op, rs );
  	return rs->sr_err;
  }
  
  static int
  config_back_search( Operation *op, SlapReply *rs )
  {
  	CfBackInfo *cfb;
  	CfEntryInfo *ce, *last;
  	slap_mask_t mask;
  
  	cfb = (CfBackInfo *)op->o_bd->be_private;
  
  	ce = config_find_base( cfb->cb_root, &op->o_req_ndn, &last );
  	if ( !ce ) {
  		if ( last )
  			rs->sr_matched = last->ce_entry->e_name.bv_val;
  		rs->sr_err = LDAP_NO_SUCH_OBJECT;
  		goto out;
  	}
  	if ( !access_allowed_mask( op, ce->ce_entry, slap_schema.si_ad_entry, NULL,
  		ACL_SEARCH, NULL, &mask ))
  	{
  		if ( !ACL_GRANT( mask, ACL_DISCLOSE )) {
  			rs->sr_err = LDAP_NO_SUCH_OBJECT;
  		} else {
  			rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
  		}
  		goto out;
  	}
  	switch ( op->ors_scope ) {
  	case LDAP_SCOPE_BASE:
  	case LDAP_SCOPE_SUBTREE:
  		rs->sr_err = config_send( op, rs, ce, 0 );
  		break;
  		
  	case LDAP_SCOPE_ONELEVEL:
  		for (ce = ce->ce_kids; ce; ce=ce->ce_sibs) {
  			rs->sr_err = config_send( op, rs, ce, 1 );
  			if ( rs->sr_err ) {
  				break;
  			}
  		}
  		break;
  	}
  
  out:
  	send_ldap_result( op, rs );
  	return rs->sr_err;
  }
  
  /* no-op, we never free entries */
  int config_entry_release(
  	Operation *op,
  	Entry *e,
  	int rw )
  {
  	int rc = LDAP_SUCCESS;
  
  	if ( !e->e_private ) {
  		BackendDB *be = op->o_bd;
  		CfBackInfo *cfb = be->be_private;
  		BackendInfo *bi = cfb->cb_db.bd_info;
  
  		if ( bi && bi->bi_entry_release_rw ) {
  			op->o_bd = &cfb->cb_db;
  			rc = bi->bi_entry_release_rw( op, e, rw );
  			op->o_bd = be;
  		} else {
  			entry_free( e );
  		}
  	}
  	return rc;
  }
  
  /* return LDAP_SUCCESS IFF we can retrieve the specified entry.
   */
  int config_back_entry_get(
  	Operation *op,
  	struct berval *ndn,
  	ObjectClass *oc,
  	AttributeDescription *at,
  	int rw,
  	Entry **ent )
  {
  	CfBackInfo *cfb;
  	CfEntryInfo *ce, *last;
  	int rc = LDAP_NO_SUCH_OBJECT;
  
  	cfb = (CfBackInfo *)op->o_bd->be_private;
  
  	ce = config_find_base( cfb->cb_root, ndn, &last );
  	if ( ce ) {
  		*ent = ce->ce_entry;
  		if ( *ent ) {
  			rc = LDAP_SUCCESS;
  			if ( oc && !is_entry_objectclass_or_sub( *ent, oc ) ) {
  				rc = LDAP_NO_SUCH_ATTRIBUTE;
  				*ent = NULL;
  			}
  		}
  	}
  
  	return rc;
  }
  
  static int
  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);
  				/* NOTE: tolerate that config_get_vals()
  				 * returns success with no values */
  				if (rc == LDAP_SUCCESS && c->rvalue_vals != NULL ) {
  					if ( c->rvalue_nvals )
  						rc = attr_merge(e, ct[i].ad, c->rvalue_vals,
  							c->rvalue_nvals);
  					else {
  						slap_syntax_validate_func *validate =
  							ct[i].ad->ad_type->sat_syntax->ssyn_validate;
  						if ( validate ) {
  							int j;
  							for ( j=0; c->rvalue_vals[j].bv_val; j++ ) {
  								rc = ordered_value_validate( ct[i].ad,
  									&c->rvalue_vals[j], LDAP_MOD_ADD );
  								if ( rc ) {
  									Debug( LDAP_DEBUG_ANY,
  										"config_build_attrs: error %d on %s value #%d\n",
  										rc, ct[i].ad->ad_cname.bv_val, j );
  									return rc;
  								}
  							}
  						}
  							
  						rc = attr_merge_normalize(e, ct[i].ad,
  							c->rvalue_vals, NULL);
  					}
  					ber_bvarray_free( c->rvalue_nvals );
  					ber_bvarray_free( c->rvalue_vals );
  					if ( rc ) {
  						Debug( LDAP_DEBUG_ANY,
  							"config_build_attrs: error %d on %s\n",
  							rc, ct[i].ad->ad_cname.bv_val );
  						return rc;
  					}
  				}
  				break;
  			}
  		}
  	}
  	return 0;
  }
  
  /* currently (2010) does not access rs except possibly writing rs->sr_err */
  
  Entry *
  config_build_entry( Operation *op, SlapReply *rs, CfEntryInfo *parent,
  	ConfigArgs *c, struct berval *rdn, ConfigOCs *main, ConfigOCs *extra )
  {
  	Entry *e = entry_alloc();
  	CfEntryInfo *ce = ch_calloc( 1, sizeof(CfEntryInfo) );
  	AttributeDescription *ad = NULL;
  	int cnt, rc;
  	const char *text = "";
  	Attribute *oc_at;
  	struct berval pdn;
  	ObjectClass *oc;
  	CfEntryInfo *ceprev = NULL;
  	LDAPRDN rDN;
  
  	Debug( LDAP_DEBUG_TRACE, "config_build_entry: \"%s\"\n", rdn->bv_val );
  	e->e_private = ce;
  	ce->ce_entry = e;
  	ce->ce_type = main->co_type;
  	ce->ce_parent = parent;
  	if ( parent ) {
  		pdn = parent->ce_entry->e_nname;
  		if ( parent->ce_kids && parent->ce_kids->ce_type <= ce->ce_type )
  			for ( ceprev = parent->ce_kids; ceprev->ce_sibs &&
  				ceprev->ce_type <= ce->ce_type;
  				ceprev = ceprev->ce_sibs );
  	} else {
  		BER_BVZERO( &pdn );
  	}
  
  	ce->ce_private = c->ca_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 );
  
  	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 );
  
  	rc = ldap_bv2rdn( rdn, &rDN, (char **)&text, LDAP_DN_FORMAT_LDAP );
  	if ( rc ) {
  		goto fail;
  	}
  	for ( cnt = 0; rDN[cnt]; cnt++ ) {
  		LDAPAVA *ava = rDN[cnt];
  
  		ad = NULL;
  		rc = slap_bv2ad( &ava->la_attr, &ad, &text );
  		if ( rc ) {
  			break;
  		}
  		if ( !ad->ad_type->sat_equality ) {
  			rc = LDAP_CONSTRAINT_VIOLATION;
  			text = "attribute has no equality matching rule";
  			break;
  		}
  		if ( !ad->ad_type->sat_equality->smr_match ) {
  			rc = LDAP_CONSTRAINT_VIOLATION;
  			text = "attribute has unsupported equality matching rule";
  			break;
  		}
  		attr_merge_normalize_one(e, ad, &ava->la_value, NULL );
  	}
  	ldap_rdnfree( rDN );
  	if ( rc ) {
  		goto fail;
  	}
  
  	oc = main->co_oc;
  	c->table = main->co_type;
  	if ( oc->soc_required ) {
  		rc = config_build_attrs( e, oc->soc_required, ad, main->co_table, c );
  		if ( rc ) goto fail;
  	}
  
  	if ( oc->soc_allowed ) {
  		rc = config_build_attrs( e, oc->soc_allowed, ad, main->co_table, c );
  		if ( rc ) goto fail;
  	}
  
  	if ( extra ) {
  		oc = extra->co_oc;
  		c->table = extra->co_type;
  		if ( oc->soc_required ) {
  			rc = config_build_attrs( e, oc->soc_required, ad, extra->co_table, c );
  			if ( rc ) goto fail;
  		}
  
  		if ( oc->soc_allowed ) {
  			rc = config_build_attrs( e, oc->soc_allowed, ad, extra->co_table, c );
  			if ( rc ) goto fail;
  		}
  	}
  
  	oc_at = attr_find( e->e_attrs, slap_schema.si_ad_objectClass );
  	rc = structural_class(oc_at->a_vals, &oc, NULL, &text, c->cr_msg,
  		sizeof(c->cr_msg), op ? op->o_tmpmemctx : NULL );
  	if ( rc != LDAP_SUCCESS ) {
  fail:
  		Debug( LDAP_DEBUG_ANY,
  			"config_build_entry: build \"%s\" failed: \"%s\"\n",
  			rdn->bv_val, text );
  		return NULL;
  	}
  	attr_merge_normalize_one(e, slap_schema.si_ad_structuralObjectClass, &oc->soc_cname, NULL );
  	if ( op ) {
  		op->ora_e = e;
  		op->ora_modlist = NULL;
  		slap_add_opattrs( op, NULL, NULL, 0, 0 );
  		if ( !op->o_noop ) {
  			SlapReply rs2 = {REP_RESULT};
  			op->o_bd->be_add( op, &rs2 );
  			rs->sr_err = rs2.sr_err;
  			rs_assert_done( &rs2 );
  			if ( ( rs2.sr_err != LDAP_SUCCESS ) 
  					&& (rs2.sr_err != LDAP_ALREADY_EXISTS) ) {
  				goto fail;
  			}
  		}
  	}
  	if ( ceprev ) {
  		ce->ce_sibs = ceprev->ce_sibs;
  		ceprev->ce_sibs = ce;
  	} else if ( parent ) {
  		ce->ce_sibs = parent->ce_kids;
  		parent->ce_kids = ce;
  	}
  
  	return e;
  }
  
  static int
  config_build_schema_inc( ConfigArgs *c, CfEntryInfo *ceparent,
  	Operation *op, SlapReply *rs )
  {
  	Entry *e;
  	ConfigFile *cf = c->ca_private;
  	char *ptr;
  	struct berval bv, rdn;
  
  	for (; cf; cf=cf->c_sibs, c->depth++) {
  		if ( !cf->c_at_head && !cf->c_cr_head && !cf->c_oc_head &&
  			!cf->c_om_head && !cf->c_syn_head && !cf->c_kids ) continue;
  		c->value_dn.bv_val = c->log;
  		LUTIL_SLASHPATH( cf->c_file.bv_val );
  		bv.bv_val = strrchr(cf->c_file.bv_val, LDAP_DIRSEP[0]);
  		if ( !bv.bv_val ) {
  			bv = cf->c_file;
  		} else {
  			bv.bv_val++;
  			bv.bv_len = cf->c_file.bv_len - (bv.bv_val - cf->c_file.bv_val);
  		}
  		ptr = strchr( bv.bv_val, '.' );
  		if ( ptr )
  			bv.bv_len = ptr - bv.bv_val;
  		c->value_dn.bv_len = snprintf(c->value_dn.bv_val, sizeof( c->log ), "cn=" SLAP_X_ORDERED_FMT, c->depth);
  		if ( c->value_dn.bv_len >= sizeof( c->log ) ) {
  			/* FIXME: how can indicate error? */
  			return -1;
  		}
  		strncpy( c->value_dn.bv_val + c->value_dn.bv_len, bv.bv_val,
  			bv.bv_len );
  		c->value_dn.bv_len += bv.bv_len;
  		c->value_dn.bv_val[c->value_dn.bv_len] ='\0';
  		if ( rdnNormalize( 0, NULL, NULL, &c->value_dn, &rdn, NULL )) {
  			Debug( LDAP_DEBUG_ANY,
  				"config_build_schema_inc: invalid schema name \"%s\"\n",
  				bv.bv_val );
  			return -1;
  		}
  
  		c->ca_private = cf;
  		e = config_build_entry( op, rs, ceparent, c, &rdn,
  			&CFOC_SCHEMA, NULL );
  		ch_free( rdn.bv_val );
  		if ( !e ) {
  			return -1;
  		} else if ( e && cf->c_kids ) {
  			c->ca_private = cf->c_kids;
  			config_build_schema_inc( c, e->e_private, op, rs );
  		}
  	}
  	return 0;
  }
  
  #ifdef SLAPD_MODULES
  
  static int
  config_build_modules( ConfigArgs *c, CfEntryInfo *ceparent,
  	Operation *op, SlapReply *rs )
  {
  	int i;
  	ModPaths *mp;
  
  	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 = snprintf(c->value_dn.bv_val, sizeof( c->log ), "cn=module" SLAP_X_ORDERED_FMT, i);
  		if ( c->value_dn.bv_len >= sizeof( c->log ) ) {
  			/* FIXME: how can indicate error? */
  			return -1;
  		}
  		c->ca_private = mp;
  		if ( ! config_build_entry( op, rs, ceparent, c, &c->value_dn, &CFOC_MODULE, NULL )) {
  			return -1;
  		}
  	}
          return 0;
  }
  #endif
  
  static int
  config_check_schema(Operation *op, CfBackInfo *cfb)
  {
  	struct berval schema_dn = BER_BVC(SCHEMA_RDN "," CONFIG_RDN);
  	ConfigArgs c = {0};
  	CfEntryInfo *ce, *last;
  	Entry *e;
  
  	/* If there's no root entry, we must be in the midst of converting */
  	if ( !cfb->cb_root )
  		return 0;
  
  	/* Make sure the main schema entry exists */
  	ce = config_find_base( cfb->cb_root, &schema_dn, &last );
  	if ( ce ) {
  		Attribute *a;
  		struct berval *bv;
  
  		e = ce->ce_entry;
  
  		/* Make sure it's up to date */
  		if ( cf_om_tail != om_sys_tail ) {
  			a = attr_find( e->e_attrs, cfAd_om );
  			if ( a ) {
  				if ( a->a_nvals != a->a_vals )
  					ber_bvarray_free( a->a_nvals );
  				ber_bvarray_free( a->a_vals );
  				a->a_vals = NULL;
  				a->a_nvals = NULL;
  				a->a_numvals = 0;
  			}
  			oidm_unparse( &bv, NULL, NULL, 1 );
  			attr_merge_normalize( e, cfAd_om, bv, NULL );
  			ber_bvarray_free( bv );
  			cf_om_tail = om_sys_tail;
  		}
  		if ( cf_at_tail != at_sys_tail ) {
  			a = attr_find( e->e_attrs, cfAd_attr );
  			if ( a ) {
  				if ( a->a_nvals != a->a_vals )
  					ber_bvarray_free( a->a_nvals );
  				ber_bvarray_free( a->a_vals );
  				a->a_vals = NULL;
  				a->a_nvals = NULL;
  				a->a_numvals = 0;
  			}
  			at_unparse( &bv, NULL, NULL, 1 );
  			attr_merge_normalize( e, cfAd_attr, bv, NULL );
  			ber_bvarray_free( bv );
  			cf_at_tail = at_sys_tail;
  		}
  		if ( cf_oc_tail != oc_sys_tail ) {
  			a = attr_find( e->e_attrs, cfAd_oc );
  			if ( a ) {
  				if ( a->a_nvals != a->a_vals )
  					ber_bvarray_free( a->a_nvals );
  				ber_bvarray_free( a->a_vals );
  				a->a_vals = NULL;
  				a->a_nvals = NULL;
  				a->a_numvals = 0;
  			}
  			oc_unparse( &bv, NULL, NULL, 1 );
  			attr_merge_normalize( e, cfAd_oc, bv, NULL );
  			ber_bvarray_free( bv );
  			cf_oc_tail = oc_sys_tail;
  		}
  		if ( cf_syn_tail != syn_sys_tail ) {
  			a = attr_find( e->e_attrs, cfAd_syntax );
  			if ( a ) {
  				if ( a->a_nvals != a->a_vals )
  					ber_bvarray_free( a->a_nvals );
  				ber_bvarray_free( a->a_vals );
  				a->a_vals = NULL;
  				a->a_nvals = NULL;
  				a->a_numvals = 0;
  			}
  			syn_unparse( &bv, NULL, NULL, 1 );
  			attr_merge_normalize( e, cfAd_syntax, bv, NULL );
  			ber_bvarray_free( bv );
  			cf_syn_tail = syn_sys_tail;
  		}
  	} else {
  		SlapReply rs = {REP_RESULT};
  		c.ca_private = NULL;
  		e = config_build_entry( op, &rs, cfb->cb_root, &c, &schema_rdn,
  			&CFOC_SCHEMA, NULL );
  		if ( !e ) {
  			return -1;
  		}
  		ce = e->e_private;
  		ce->ce_private = cfb->cb_config;
  		cf_at_tail = at_sys_tail;
  		cf_oc_tail = oc_sys_tail;
  		cf_om_tail = om_sys_tail;
  		cf_syn_tail = syn_sys_tail;
  	}
  	return 0;
  }
  
  static const char *defacl[] = {
  	NULL, "to", "*", "by", "*", "none", NULL
  };
  
  static int
  config_back_db_open( BackendDB *be, ConfigReply *cr )
  {
  	CfBackInfo *cfb = be->be_private;
  	struct berval rdn;
  	Entry *e;
  	CfEntryInfo *ce, *ceparent;
  	int i, unsupp = 0;
  	BackendInfo *bi;
  	ConfigArgs c;
  	Connection conn = {0};
  	OperationBuffer opbuf;
  	Operation *op;
  	slap_callback cb = { NULL, slap_null_cb, NULL, NULL };
  	SlapReply rs = {REP_RESULT};
  	void *thrctx = NULL;
  	AccessControl *save_access;
  
  	Debug( LDAP_DEBUG_TRACE, "config_back_db_open\n" );
  
  	/* If we have no explicitly configured ACLs, don't just use
  	 * the global ACLs. Explicitly deny access to everything.
  	 */
  	save_access = be->bd_self->be_acl;
  	be->bd_self->be_acl = NULL;
  	parse_acl(be->bd_self, "config_back_db_open", 0, 6, (char **)defacl, 0 );
  	defacl_parsed = be->bd_self->be_acl;
  	if ( save_access ) {
  		be->bd_self->be_acl = save_access;
  	} else {
  		Debug( LDAP_DEBUG_CONFIG, "config_back_db_open: "
  				"No explicit ACL for back-config configured. "
  				"Using hardcoded default\n" );
  	}
  
  	thrctx = ldap_pvt_thread_pool_context();
  	connection_fake_init( &conn, &opbuf, thrctx );
  	op = &opbuf.ob_op;
  
  	op->o_tag = LDAP_REQ_ADD;
  	op->o_callback = &cb;
  	op->o_bd = &cfb->cb_db;
  	op->o_dn = op->o_bd->be_rootdn;
  	op->o_ndn = op->o_bd->be_rootndn;
  
  	if ( !cfb->cb_use_ldif ) {
  		op->o_noop = 1;
  	}
  
  	/* If we read the config from back-ldif, do some quick sanity checks */
  	if ( cfb->cb_got_ldif ) {
  		return config_check_schema( op, cfb );
  	}
  
  	/* create root of tree */
  	rdn = config_rdn;
  	c.ca_private = cfb->cb_config;
  	c.be = frontendDB;
  	e = config_build_entry( op, &rs, NULL, &c, &rdn, &CFOC_GLOBAL, NULL );
  	if ( !e ) {
  		return -1;
  	}
  	ce = e->e_private;
  	cfb->cb_root = ce;
  
  	ceparent = ce;
  
  #ifdef SLAPD_MODULES
  	/* Create Module nodes... */
  	if ( modpaths.mp_loads ) {
  		if ( config_build_modules( &c, ceparent, op, &rs ) ){
  			return -1;
  		}
  	}
  #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;
  	c.ca_private = NULL;
  	e = config_build_entry( op, &rs, ceparent, &c, &rdn, &CFOC_SCHEMA, NULL );
  	if ( !e ) {
  		return -1;
  	}
  	ce = e->e_private;
  	ce->ce_private = cfb->cb_config;
  	cf_at_tail = at_sys_tail;
  	cf_oc_tail = oc_sys_tail;
  	cf_om_tail = om_sys_tail;
  	cf_syn_tail = syn_sys_tail;
  
  	/* Create schema nodes for included schema... */
  	if ( cfb->cb_config->c_kids ) {
  		int rc;
  		c.depth = 0;
  		c.ca_private = cfb->cb_config->c_kids;
  		rc = config_build_schema_inc( &c, ce, op, &rs );
  		if ( rc ) {
  			return -1;
  		}
  	}
  
  	/* Create backend nodes. Skip if they don't provide a cf_table.
  	 * There usually aren't any of these.
  	 */
  	
  	c.line = 0;
  	i = 0;
  	LDAP_STAILQ_FOREACH( bi, &backendInfo, bi_next) {
  		if (!bi->bi_cf_ocs) {
  			/* If it only supports the old config mech, complain. */
  			if ( bi->bi_config ) {
  				Debug( LDAP_DEBUG_ANY,
  					"WARNING: No dynamic config support for backend %s.\n",
  					bi->bi_type );
  				unsupp++;
  			}
  			continue;
  		}
  		if ( !bi->bi_private && !(bi->bi_flags & SLAP_BFLAG_STANDALONE) ) continue;
  
  		rdn.bv_val = c.log;
  		rdn.bv_len = snprintf(rdn.bv_val, sizeof( c.log ),
  			"%s=" SLAP_X_ORDERED_FMT "%s", cfAd_backend->ad_cname.bv_val,
  			i, bi->bi_type);
  		if ( rdn.bv_len >= sizeof( c.log ) ) {
  			/* FIXME: holler ... */ ;
  		}
  		c.bi = bi;
  		e = config_build_entry( op, &rs, ceparent, &c, &rdn, &CFOC_BACKEND,
  			bi->bi_cf_ocs );
  		if ( !e ) {
  			return -1;
  		}
  		if ( bi->bi_cf_ocs && bi->bi_cf_ocs->co_cfadd ) {
  			rs_reinit( &rs, REP_RESULT );
  			bi->bi_cf_ocs->co_cfadd( op, &rs, e, &c );
  		}
  		i++;
  	}
  
  	/* Create database nodes... */
  	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;
  
  		if ( overlay_is_over( be )) {
  			oi = be->bd_info->bi_private;
  			bi = oi->oi_orig;
  		} else {
  			bi = be->bd_info;
  		}
  
  		/* If this backend supports the old config mechanism, but not
  		 * the new mech, complain.
  		 */
  		if ( !be->be_cf_ocs && bi->bi_db_config ) {
  			Debug( LDAP_DEBUG_ANY,
  				"WARNING: No dynamic config support for database %s.\n",
  				bi->bi_type );
  			unsupp++;
  		}
  		rdn.bv_val = c.log;
  		rdn.bv_len = snprintf(rdn.bv_val, sizeof( c.log ),
  			"%s=" SLAP_X_ORDERED_FMT "%s", cfAd_database->ad_cname.bv_val,
  			i, bi->bi_type);
  		if ( rdn.bv_len >= sizeof( c.log ) ) {
  			/* FIXME: holler ... */ ;
  		}
  		c.be = be;
  		c.bi = bi;
  		e = config_build_entry( op, &rs, ceparent, &c, &rdn, &CFOC_DATABASE,
  			be->be_cf_ocs );
  		if ( !e ) {
  			return -1;
  		}
  		ce = e->e_private;
  		if ( be->be_cf_ocs && be->be_cf_ocs->co_cfadd ) {
  			rs_reinit( &rs, REP_RESULT );
  			be->be_cf_ocs->co_cfadd( op, &rs, e, &c );
  		}
  		/* Iterate through overlays */
  		if ( oi ) {
  			slap_overinst *on;
  			Entry *oe;
  			int j;
  			voidList *vl, *v0 = NULL;
  
  			/* overlays are in LIFO order, must reverse stack */
  			for (on=oi->oi_list; on; on=on->on_next) {
  				vl = ch_malloc( sizeof( voidList ));
  				vl->vl_next = v0;
  				v0 = vl;
  				vl->vl_ptr = on;
  			}
  			for (j=0; vl; j++,vl=v0) {
  				on = vl->vl_ptr;
  				v0 = vl->vl_next;
  				ch_free( vl );
  				if ( on->on_bi.bi_db_config && !on->on_bi.bi_cf_ocs ) {
  					Debug( LDAP_DEBUG_ANY,
  						"WARNING: No dynamic config support for overlay %s.\n",
  						on->on_bi.bi_type );
  					unsupp++;
  				}
  				rdn.bv_val = c.log;
  				rdn.bv_len = snprintf(rdn.bv_val, sizeof( c.log ),
  					"%s=" SLAP_X_ORDERED_FMT "%s",
  					cfAd_overlay->ad_cname.bv_val, j, on->on_bi.bi_type );
  				if ( rdn.bv_len >= sizeof( c.log ) ) {
  					/* FIXME: holler ... */ ;
  				}
  				c.be = be;
  				c.bi = &on->on_bi;
  				oe = config_build_entry( op, &rs, ce, &c, &rdn,
  					&CFOC_OVERLAY, c.bi->bi_cf_ocs );
  				if ( !oe ) {
  					return -1;
  				}
  				if ( c.bi->bi_cf_ocs && c.bi->bi_cf_ocs->co_cfadd ) {
  					rs_reinit( &rs, REP_RESULT );
  					c.bi->bi_cf_ocs->co_cfadd( op, &rs, oe, &c );
  				}
  			}
  		}
  	}
  	if ( thrctx )
  		ldap_pvt_thread_pool_context_reset( thrctx );
  
  	if ( unsupp  && cfb->cb_use_ldif ) {
  		Debug( LDAP_DEBUG_ANY, "\nWARNING: The converted cn=config "
  			"directory is incomplete and may not work.\n\n" );
  	}
  
  	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, ConfigReply *cr )
  {
  	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 );
  	}
  
  	if ( defacl_parsed && be->be_acl != defacl_parsed ) {
  		acl_free( defacl_parsed );
  		defacl_parsed = NULL;
  	}
  
  	return 0;
  }
  
  static int
  config_back_db_destroy( BackendDB *be, ConfigReply *cr )
  {
  	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 );
  	}
  
  	loglevel_destroy();
  
  	return 0;
  }
  
  static int
  config_back_db_init( BackendDB *be, ConfigReply* cr )
  {
  	struct berval dn;
  	CfBackInfo *cfb;
  
  	cfb = &cfBackInfo;
  	cfb->cb_config = ch_calloc( 1, sizeof(ConfigFile));
  	cfn = cfb->cb_config;
  	be->be_private = cfb;
  
  	ber_dupbv( &be->be_rootdn, &config_rdn );
  	ber_dupbv( &be->be_rootndn, &be->be_rootdn );
  	ber_dupbv( &dn, &be->be_rootdn );
  	ber_bvarray_add( &be->be_suffix, &dn );
  	ber_dupbv( &dn, &be->be_rootdn );
  	ber_bvarray_add( &be->be_nsuffix, &dn );
  
  	/* Hide from namingContexts */
  	SLAP_BFLAGS(be) |= SLAP_BFLAG_CONFIG;
  
  	/* Check ACLs on content of Adds by default */
  	SLAP_DBFLAGS(be) |= SLAP_DBFLAG_ACL_ADD;
  
  	return 0;
  }
  
  static int
  config_back_destroy( BackendInfo *bi )
  {
  	ldif_must_b64_encode_release();
  	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 );
  	}
  	if ( bi && bi->bi_tool_entry_first_x ) {
  		return bi->bi_tool_entry_first_x( &cfb->cb_db,
  			NULL, LDAP_SCOPE_DEFAULT, NULL );
  	}
  	return NOID;
  }
  
  static ID
  config_tool_entry_first_x(
  	BackendDB *be,
  	struct berval *base,
  	int scope,
  	Filter *f )
  {
  	CfBackInfo *cfb = be->be_private;
  	BackendInfo *bi = cfb->cb_db.bd_info;
  
  	if ( bi && bi->bi_tool_entry_first_x ) {
  		return bi->bi_tool_entry_first_x( &cfb->cb_db, base, scope, f );
  	}
  	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 ID
  config_tool_dn2id_get( Backend *be, struct berval *dn )
  {
  	CfBackInfo *cfb = be->be_private;
  	BackendInfo *bi = cfb->cb_db.bd_info;
  
  	if ( bi && bi->bi_tool_dn2id_get )
  		return bi->bi_tool_dn2id_get( &cfb->cb_db, dn );
  
  	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 int entry_put_got_frontend=0;
  static int entry_put_got_config=0;
  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;
  	int rc;
  	struct berval rdn;
  	ConfigArgs ca;
  	OperationBuffer opbuf;
  	Entry *ce;
  	Connection conn = {0};
  	Operation *op = NULL;
  	void *thrctx;
  	int isFrontend = 0;
  	int isFrontendChild = 0;
  
  	/* Create entry for frontend database if it does not exist already */
  	if ( !entry_put_got_frontend ) {
  		if ( !strncmp( e->e_nname.bv_val, "olcDatabase", 
  				STRLENOF( "olcDatabase" ))) {
  			if ( strncmp( e->e_nname.bv_val + 
  					STRLENOF( "olcDatabase" ), "={-1}frontend",
  					STRLENOF( "={-1}frontend" )) && 
  					strncmp( e->e_nname.bv_val + 
  					STRLENOF( "olcDatabase" ), "=frontend",
  					STRLENOF( "=frontend" ))) {
  				memset( &ca, 0, sizeof(ConfigArgs));
  				ca.be = frontendDB;
  				ca.bi = frontendDB->bd_info;
  				ca.be->be_cf_ocs = &CFOC_FRONTEND;
  				rdn.bv_val = ca.log;
  				rdn.bv_len = snprintf(rdn.bv_val, sizeof( ca.log ),
  					"%s=" SLAP_X_ORDERED_FMT "%s",
  					cfAd_database->ad_cname.bv_val, -1,
  					ca.bi->bi_type);
  				ce = config_build_entry( NULL, NULL, cfb->cb_root, &ca, &rdn,
  						&CFOC_DATABASE, ca.be->be_cf_ocs );
  				thrctx = ldap_pvt_thread_pool_context();
  				connection_fake_init2( &conn, &opbuf, thrctx,0 );
  				op = &opbuf.ob_op;
  				op->o_bd = &cfb->cb_db;
  				op->o_tag = LDAP_REQ_ADD;
  				op->ora_e = ce;
  				op->o_dn = be->be_rootdn;
  				op->o_ndn = be->be_rootndn;
  				rc = slap_add_opattrs(op, NULL, NULL, 0, 0);
  				if ( rc != LDAP_SUCCESS ) {
  					text->bv_val = "autocreation of \"olcDatabase={-1}frontend\" failed";
  					text->bv_len = STRLENOF("autocreation of \"olcDatabase={-1}frontend\" failed");
  					return NOID;
  				}
  
  				if ( ce && bi && bi->bi_tool_entry_put && 
  						bi->bi_tool_entry_put( &cfb->cb_db, ce, text ) != NOID ) {
  					entry_put_got_frontend++;
  				} else {
  					text->bv_val = "autocreation of \"olcDatabase={-1}frontend\" failed";
  					text->bv_len = STRLENOF("autocreation of \"olcDatabase={-1}frontend\" failed");
  					return NOID;
  				}
  			} else {
  				entry_put_got_frontend++;
  				isFrontend = 1;
  			}
  		}
  	}
  
  	/* Child entries of the frontend database, e.g. slapo-chain's back-ldap
  	 * instances, may appear before the config database entry in the ldif, skip
  	 * auto-creation of olcDatabase={0}config in such a case */
  	if ( !entry_put_got_config &&
  			!strncmp( e->e_nname.bv_val, "olcDatabase", STRLENOF( "olcDatabase" ))) {
  		struct berval pdn;
  		dnParent( &e->e_nname, &pdn );
  		while ( pdn.bv_len ) {
  			if ( !strncmp( pdn.bv_val, "olcDatabase",
  					STRLENOF( "olcDatabase" ))) {
  				if ( !strncmp( pdn.bv_val +
  						STRLENOF( "olcDatabase" ), "={-1}frontend",
  						STRLENOF( "={-1}frontend" )) ||
  						!strncmp( pdn.bv_val +
  						STRLENOF( "olcDatabase" ), "=frontend",
  						STRLENOF( "=frontend" ))) {
  
  					isFrontendChild = 1;
  					break;
  				}
  			}
  			dnParent( &pdn, &pdn );
  		}
  	}
  
  	/* Create entry for config database if it does not exist already */
  	if ( !entry_put_got_config && !isFrontend && !isFrontendChild ) {
  		if ( !strncmp( e->e_nname.bv_val, "olcDatabase",
  				STRLENOF( "olcDatabase" ))) {
  			if ( strncmp( e->e_nname.bv_val +
  					STRLENOF( "olcDatabase" ), "={0}config",
  					STRLENOF( "={0}config" )) &&
  					strncmp( e->e_nname.bv_val +
  					STRLENOF( "olcDatabase" ), "=config",
  					STRLENOF( "=config" )) ) {
  				memset( &ca, 0, sizeof(ConfigArgs));
  				ca.be = LDAP_STAILQ_FIRST( &backendDB );
  				ca.bi = ca.be->bd_info;
  				rdn.bv_val = ca.log;
  				rdn.bv_len = snprintf(rdn.bv_val, sizeof( ca.log ),
  					"%s=" SLAP_X_ORDERED_FMT "%s",
  					cfAd_database->ad_cname.bv_val, 0,
  					ca.bi->bi_type);
  				ce = config_build_entry( NULL, NULL, cfb->cb_root, &ca, &rdn, &CFOC_DATABASE,
  						ca.be->be_cf_ocs );
  				if ( ! op ) {
  					thrctx = ldap_pvt_thread_pool_context();
  					connection_fake_init2( &conn, &opbuf, thrctx,0 );
  					op = &opbuf.ob_op;
  					op->o_bd = &cfb->cb_db;
  					op->o_tag = LDAP_REQ_ADD;
  					op->o_dn = be->be_rootdn;
  					op->o_ndn = be->be_rootndn;
  				}
  				op->ora_e = ce;
  				rc = slap_add_opattrs(op, NULL, NULL, 0, 0);
  				if ( rc != LDAP_SUCCESS ) {
  					text->bv_val = "autocreation of \"olcDatabase={0}config\" failed";
  					text->bv_len = STRLENOF("autocreation of \"olcDatabase={0}config\" failed");
  					return NOID;
  				}
  				if (ce && bi && bi->bi_tool_entry_put &&
  						bi->bi_tool_entry_put( &cfb->cb_db, ce, text ) != NOID ) {
  					entry_put_got_config++;
  				} else {
  					text->bv_val = "autocreation of \"olcDatabase={0}config\" failed";
  					text->bv_len = STRLENOF("autocreation of \"olcDatabase={0}config\" failed");
  					return NOID;
  				}
  			} else {
  				entry_put_got_config++;
  			}
  		}
  	}
  	if ( bi && bi->bi_tool_entry_put &&
  		config_add_internal( cfb, e, &ca, NULL, NULL, NULL ) == 0 )
  		return bi->bi_tool_entry_put( &cfb->cb_db, e, text );
  	else
  		return NOID;
  }
  
  static ID
  config_tool_entry_modify( BackendDB *be, Entry *e, struct berval *text )
  {
  	CfBackInfo *cfb = be->be_private;
  	BackendInfo *bi = cfb->cb_db.bd_info;
  	CfEntryInfo *ce, *last;
  
  	ce = config_find_base( cfb->cb_root, &e->e_nname, &last );
  
  	if ( ce && bi && bi->bi_tool_entry_modify )
  		return bi->bi_tool_entry_modify( &cfb->cb_db, e, text );
  
  	return NOID;
  }
  
  static int
  config_tool_entry_delete( BackendDB *be, struct berval *ndn, struct berval *text )
  {
  	CfBackInfo *cfb = be->be_private;
  	BackendInfo *bi = cfb->cb_db.bd_info;
  	CfEntryInfo *ce, *last;
  
  	ce = config_find_base( cfb->cb_root, ndn, &last );
  
  	if ( ce && bi && bi->bi_tool_entry_delete )
  		return bi->bi_tool_entry_delete( &cfb->cb_db, ndn, text );
  
  	return LDAP_OTHER;
  }
  
  static struct {
  	char *name;
  	AttributeDescription **desc;
  } ads[] = {
  	{ "attribute", &cfAd_attr },
  	{ "backend", &cfAd_backend },
  	{ "database", &cfAd_database },
  	{ "include", &cfAd_include },
  	{ "ldapsyntax", &cfAd_syntax },
  	{ "objectclass", &cfAd_oc },
  	{ "objectidentifier", &cfAd_om },
  	{ "overlay", &cfAd_overlay },
  	{ NULL, NULL }
  };
  
  /* Notes:
   *   add / delete: all types that may be added or deleted must use an
   * X-ORDERED attributeType for their RDN. Adding and deleting entries
   * should automatically renumber the index of any siblings as needed,
   * so that no gaps in the numbering sequence exist after the add/delete
   * is completed.
   *   What can be added:
   *     schema objects
   *     backend objects for backend-specific config directives
   *     database objects
   *     overlay objects
   *
   *   delete: probably no support this time around.
   *
   *   modrdn: generally not done. Will be invoked automatically by add/
   * delete to update numbering sequence. Perform as an explicit operation
   * so that the renumbering effect may be replicated. Subtree rename must
   * be supported, since renumbering a database will affect all its child
   * overlays.
   *
   *  modify: must be fully supported. 
   */
  
  int
  config_back_initialize( BackendInfo *bi )
  {
  	ConfigTable		*ct = config_back_cf_table;
  	ConfigArgs ca;
  	char			*argv[4];
  	int			i;
  	AttributeDescription	*ad = NULL;
  	const char		*text;
  	static char		*controls[] = {
  		LDAP_CONTROL_MANAGEDSAIT,
  		NULL
  	};
  
  	/* Make sure we don't exceed the bits reserved for userland */
  	config_check_userland( CFG_LAST );
  
  	bi->bi_controls = controls;
  
  	bi->bi_open = 0;
  	bi->bi_close = 0;
  	bi->bi_config = 0;
  	bi->bi_destroy = config_back_destroy;
  
  	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 = config_back_db_close;
  	bi->bi_db_destroy = config_back_db_destroy;
  
  	bi->bi_op_bind = config_back_bind;
  	bi->bi_op_unbind = 0;
  	bi->bi_op_search = config_back_search;
  	bi->bi_op_compare = 0;
  	bi->bi_op_modify = config_back_modify;
  	bi->bi_op_modrdn = config_back_modrdn;
  	bi->bi_op_add = config_back_add;
  	bi->bi_op_delete = config_back_delete;
  	bi->bi_op_abandon = 0;
  
  	bi->bi_extended = 0;
  
  	bi->bi_chk_referrals = 0;
  
  	bi->bi_access_allowed = slap_access_allowed;
  
  	bi->bi_connection_init = 0;
  	bi->bi_connection_destroy = 0;
  
  	bi->bi_entry_release_rw = config_entry_release;
  	bi->bi_entry_get_rw = config_back_entry_get;
  
  	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_first_x = config_tool_entry_first_x;
  	bi->bi_tool_entry_next = config_tool_entry_next;
  	bi->bi_tool_dn2id_get = config_tool_dn2id_get;
  	bi->bi_tool_entry_get = config_tool_entry_get;
  	bi->bi_tool_entry_put = config_tool_entry_put;
  	bi->bi_tool_entry_modify = config_tool_entry_modify;
  	bi->bi_tool_entry_delete = config_tool_entry_delete;
  
  	ca.argv = argv;
  	argv[ 0 ] = "slapd";
  	ca.argv = argv;
  	ca.argc = 3;
  	ca.fname = argv[0];
  
  	argv[3] = NULL;
  	for (i=0; OidMacros[i].name; i++ ) {
  		argv[1] = OidMacros[i].name;
  		argv[2] = OidMacros[i].oid;
  		parse_oidm( &ca, 0, NULL );
  	}
  
  	bi->bi_cf_ocs = cf_ocs;
  
  	i = config_register_schema( ct, cf_ocs );
  	if ( i ) return i;
  
  	i = slap_str2ad( "olcDatabase", &olcDatabaseDummy[0].ad, &text );
  	if ( i ) return i;
  
  	/* setup olcRootPW to be base64-encoded when written in LDIF form;
  	 * basically, we don't care if it fails */
  	i = slap_str2ad( "olcRootPW", &ad, &text );
  	if ( i ) {
  		Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
  			"warning, unable to get \"olcRootPW\" "
  			"attribute description: %d: %s\n",
  			i, text );
  	} else {
  		(void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
  			ad->ad_type->sat_oid );
  	}
  
  	/* set up the notable AttributeDescriptions */
  	i = 0;
  	for (;ct->name;ct++) {
  		if (strcmp(ct->name, ads[i].name)) continue;
  		*ads[i].desc = ct->ad;
  		i++;
  		if (!ads[i].name) break;
  	}
  
  	return 0;
  }
  