text: /* accesslog.c - log operations for audit/history purposes */
  /* $OpenLDAP$ */
  /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   *
   * Copyright 2005-2017 The OpenLDAP Foundation.
   * Portions copyright 2004-2005 Symas Corporation.
   * 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 initially developed by Howard Chu for inclusion in
   * OpenLDAP Software.
   */
  
  #include "portable.h"
  
  #ifdef SLAPD_OVER_ACCESSLOG
  
  #include <stdio.h>
  
  #include <ac/string.h>
  #include <ac/ctype.h>
  
  #include "slap.h"
  #include "config.h"
  #include "lutil.h"
  #include "ldap_rq.h"
  
  #define LOG_OP_ADD	0x001
  #define LOG_OP_DELETE	0x002
  #define	LOG_OP_MODIFY	0x004
  #define LOG_OP_MODRDN	0x008
  #define	LOG_OP_COMPARE	0x010
  #define	LOG_OP_SEARCH	0x020
  #define LOG_OP_BIND	0x040
  #define LOG_OP_UNBIND	0x080
  #define	LOG_OP_ABANDON	0x100
  #define	LOG_OP_EXTENDED	0x200
  #define LOG_OP_UNKNOWN	0x400
  
  #define	LOG_OP_WRITES	(LOG_OP_ADD|LOG_OP_DELETE|LOG_OP_MODIFY|LOG_OP_MODRDN)
  #define	LOG_OP_READS	(LOG_OP_COMPARE|LOG_OP_SEARCH)
  #define	LOG_OP_SESSION	(LOG_OP_BIND|LOG_OP_UNBIND|LOG_OP_ABANDON)
  #define LOG_OP_ALL		(LOG_OP_READS|LOG_OP_WRITES|LOG_OP_SESSION| \
  	LOG_OP_EXTENDED|LOG_OP_UNKNOWN)
  
  typedef struct log_attr {
  	struct log_attr *next;
  	AttributeDescription *attr;
  } log_attr;
  
  typedef struct log_base {
  	struct log_base *lb_next;
  	slap_mask_t lb_ops;
  	struct berval lb_base;
  	struct berval lb_line;
  } log_base;
  
  typedef struct log_info {
  	BackendDB *li_db;
  	struct berval li_db_suffix;
  	slap_mask_t li_ops;
  	int li_age;
  	int li_cycle;
  	struct re_s *li_task;
  	Filter *li_oldf;
  	Entry *li_old;
  	log_attr *li_oldattrs;
  	struct berval li_uuid;
  	int li_success;
  	log_base *li_bases;
  	ldap_pvt_thread_rmutex_t li_op_rmutex;
  	ldap_pvt_thread_mutex_t li_log_mutex;
  } log_info;
  
  static ConfigDriver log_cf_gen;
  
  enum {
  	LOG_DB = 1,
  	LOG_OPS,
  	LOG_PURGE,
  	LOG_SUCCESS,
  	LOG_OLD,
  	LOG_OLDATTR,
  	LOG_BASE
  };
  
  static ConfigTable log_cfats[] = {
  	{ "logdb", "suffix", 2, 2, 0, ARG_DN|ARG_MAGIC|LOG_DB,
  		log_cf_gen, "( OLcfgOvAt:4.1 NAME 'olcAccessLogDB' "
  			"DESC 'Suffix of database for log content' "
  			"SUP distinguishedName SINGLE-VALUE )", NULL, NULL },
  	{ "logops", "op|writes|reads|session|all", 2, 0, 0,
  		ARG_MAGIC|LOG_OPS,
  		log_cf_gen, "( OLcfgOvAt:4.2 NAME 'olcAccessLogOps' "
  			"DESC 'Operation types to log' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "logpurge", "age> <interval", 3, 3, 0, ARG_MAGIC|LOG_PURGE,
  		log_cf_gen, "( OLcfgOvAt:4.3 NAME 'olcAccessLogPurge' "
  			"DESC 'Log cleanup parameters' "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "logsuccess", NULL, 2, 2, 0, ARG_MAGIC|ARG_ON_OFF|LOG_SUCCESS,
  		log_cf_gen, "( OLcfgOvAt:4.4 NAME 'olcAccessLogSuccess' "
  			"DESC 'Log successful ops only' "
  			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  	{ "logold", "filter", 2, 2, 0, ARG_MAGIC|LOG_OLD,
  		log_cf_gen, "( OLcfgOvAt:4.5 NAME 'olcAccessLogOld' "
  			"DESC 'Log old values when modifying entries matching the filter' "
  			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  	{ "logoldattr", "attrs", 2, 0, 0, ARG_MAGIC|LOG_OLDATTR,
  		log_cf_gen, "( OLcfgOvAt:4.6 NAME 'olcAccessLogOldAttr' "
  			"DESC 'Log old values of these attributes even if unmodified' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ "logbase", "op|writes|reads|session|all< <baseDN", 3, 3, 0,
  		ARG_MAGIC|LOG_BASE,
  		log_cf_gen, "( OLcfgOvAt:4.7 NAME 'olcAccessLogBase' "
  			"DESC 'Operation types to log under a specific branch' "
  			"EQUALITY caseIgnoreMatch "
  			"SYNTAX OMsDirectoryString )", NULL, NULL },
  	{ NULL }
  };
  
  static ConfigOCs log_cfocs[] = {
  	{ "( OLcfgOvOc:4.1 "
  		"NAME 'olcAccessLogConfig' "
  		"DESC 'Access log configuration' "
  		"SUP olcOverlayConfig "
  		"MUST olcAccessLogDB "
  		"MAY ( olcAccessLogOps $ olcAccessLogPurge $ olcAccessLogSuccess $ "
  			"olcAccessLogOld $ olcAccessLogOldAttr $ olcAccessLogBase ) )",
  			Cft_Overlay, log_cfats },
  	{ NULL }
  };
  
  static slap_verbmasks logops[] = {
  	{ BER_BVC("all"),		LOG_OP_ALL },
  	{ BER_BVC("writes"),	LOG_OP_WRITES },
  	{ BER_BVC("session"),	LOG_OP_SESSION },
  	{ BER_BVC("reads"),		LOG_OP_READS },
  	{ BER_BVC("add"),		LOG_OP_ADD },
  	{ BER_BVC("delete"),	LOG_OP_DELETE },
  	{ BER_BVC("modify"),	LOG_OP_MODIFY },
  	{ BER_BVC("modrdn"),	LOG_OP_MODRDN },
  	{ BER_BVC("compare"),	LOG_OP_COMPARE },
  	{ BER_BVC("search"),	LOG_OP_SEARCH },
  	{ BER_BVC("bind"),		LOG_OP_BIND },
  	{ BER_BVC("unbind"),	LOG_OP_UNBIND },
  	{ BER_BVC("abandon"),	LOG_OP_ABANDON },
  	{ BER_BVC("extended"),	LOG_OP_EXTENDED },
  	{ BER_BVC("unknown"),	LOG_OP_UNKNOWN },
  	{ BER_BVNULL, 0 }
  };
  
  /* Start with "add" in logops */
  #define EN_OFFSET	4
  
  enum {
  	LOG_EN_ADD = 0,
  	LOG_EN_DELETE,
  	LOG_EN_MODIFY,
  	LOG_EN_MODRDN,
  	LOG_EN_COMPARE,
  	LOG_EN_SEARCH,
  	LOG_EN_BIND,
  	LOG_EN_UNBIND,
  	LOG_EN_ABANDON,
  	LOG_EN_EXTENDED,
  	LOG_EN_UNKNOWN,
  	LOG_EN__COUNT
  };
  
  static ObjectClass *log_ocs[LOG_EN__COUNT], *log_container,
  	*log_oc_read, *log_oc_write;
  
  #define LOG_SCHEMA_ROOT	"1.3.6.1.4.1.4203.666.11.5"
  
  #define LOG_SCHEMA_AT LOG_SCHEMA_ROOT ".1"
  #define LOG_SCHEMA_OC LOG_SCHEMA_ROOT ".2"
  #define LOG_SCHEMA_SYN LOG_SCHEMA_ROOT ".3"
  
  static AttributeDescription *ad_reqDN, *ad_reqStart, *ad_reqEnd, *ad_reqType,
  	*ad_reqSession, *ad_reqResult, *ad_reqAuthzID, *ad_reqControls,
  	*ad_reqRespControls, *ad_reqMethod, *ad_reqAssertion, *ad_reqNewRDN,
  	*ad_reqNewSuperior, *ad_reqDeleteOldRDN, *ad_reqMod,
  	*ad_reqScope, *ad_reqFilter, *ad_reqAttr, *ad_reqEntries,
  	*ad_reqSizeLimit, *ad_reqTimeLimit, *ad_reqAttrsOnly, *ad_reqData,
  	*ad_reqId, *ad_reqMessage, *ad_reqVersion, *ad_reqDerefAliases,
  	*ad_reqReferral, *ad_reqOld, *ad_auditContext, *ad_reqEntryUUID;
  
  static int
  logSchemaControlValidate(
  	Syntax		*syntax,
  	struct berval	*val );
  
  char	*mrControl[] = {
  	"objectIdentifierFirstComponentMatch",
  	NULL
  };
  
  static struct {
  	char			*oid;
  	slap_syntax_defs_rec	syn;
  	char			**mrs;
  } lsyntaxes[] = {
  	{ LOG_SCHEMA_SYN ".1" ,
  		{ "( " LOG_SCHEMA_SYN ".1 DESC 'Control' )",
  			SLAP_SYNTAX_HIDE,
  			NULL,
  			logSchemaControlValidate,
  			NULL },
  		mrControl },
  	{ NULL }
  };
  
  static struct {
  	char *at;
  	AttributeDescription **ad;
  } lattrs[] = {
  	{ "( " LOG_SCHEMA_AT ".1 NAME 'reqDN' "
  		"DESC 'Target DN of request' "
  		"EQUALITY distinguishedNameMatch "
  		"SYNTAX OMsDN "
  		"SINGLE-VALUE )", &ad_reqDN },
  	{ "( " LOG_SCHEMA_AT ".2 NAME 'reqStart' "
  		"DESC 'Start time of request' "
  		"EQUALITY generalizedTimeMatch "
  		"ORDERING generalizedTimeOrderingMatch "
  		"SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
  		"SINGLE-VALUE )", &ad_reqStart },
  	{ "( " LOG_SCHEMA_AT ".3 NAME 'reqEnd' "
  		"DESC 'End time of request' "
  		"EQUALITY generalizedTimeMatch "
  		"ORDERING generalizedTimeOrderingMatch "
  		"SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
  		"SINGLE-VALUE )", &ad_reqEnd },
  	{ "( " LOG_SCHEMA_AT ".4 NAME 'reqType' "
  		"DESC 'Type of request' "
  		"EQUALITY caseIgnoreMatch "
  		"SYNTAX OMsDirectoryString "
  		"SINGLE-VALUE )", &ad_reqType },
  	{ "( " LOG_SCHEMA_AT ".5 NAME 'reqSession' "
  		"DESC 'Session ID of request' "
  		"EQUALITY caseIgnoreMatch "
  		"SYNTAX OMsDirectoryString "
  		"SINGLE-VALUE )", &ad_reqSession },
  	{ "( " LOG_SCHEMA_AT ".6 NAME 'reqAuthzID' "
  		"DESC 'Authorization ID of requestor' "
  		"EQUALITY distinguishedNameMatch "
  		"SYNTAX OMsDN "
  		"SINGLE-VALUE )", &ad_reqAuthzID },
  	{ "( " LOG_SCHEMA_AT ".7 NAME 'reqResult' "
  		"DESC 'Result code of request' "
  		"EQUALITY integerMatch "
  		"ORDERING integerOrderingMatch "
  		"SYNTAX OMsInteger "
  		"SINGLE-VALUE )", &ad_reqResult },
  	{ "( " LOG_SCHEMA_AT ".8 NAME 'reqMessage' "
  		"DESC 'Error text of request' "
  		"EQUALITY caseIgnoreMatch "
  		"SUBSTR caseIgnoreSubstringsMatch "
  		"SYNTAX OMsDirectoryString "
  		"SINGLE-VALUE )", &ad_reqMessage },
  	{ "( " LOG_SCHEMA_AT ".9 NAME 'reqReferral' "
  		"DESC 'Referrals returned for request' "
  		"SUP labeledURI )", &ad_reqReferral },
  	{ "( " LOG_SCHEMA_AT ".10 NAME 'reqControls' "
  		"DESC 'Request controls' "
  		"EQUALITY objectIdentifierFirstComponentMatch "
  		"SYNTAX " LOG_SCHEMA_SYN ".1 "
  		"X-ORDERED 'VALUES' )", &ad_reqControls },
  	{ "( " LOG_SCHEMA_AT ".11 NAME 'reqRespControls' "
  		"DESC 'Response controls of request' "
  		"EQUALITY objectIdentifierFirstComponentMatch "
  		"SYNTAX " LOG_SCHEMA_SYN ".1 "
  		"X-ORDERED 'VALUES' )", &ad_reqRespControls },
  	{ "( " LOG_SCHEMA_AT ".12 NAME 'reqId' "
  		"DESC 'ID of Request to Abandon' "
  		"EQUALITY integerMatch "
  		"ORDERING integerOrderingMatch "
  		"SYNTAX OMsInteger "
  		"SINGLE-VALUE )", &ad_reqId },
  	{ "( " LOG_SCHEMA_AT ".13 NAME 'reqVersion' "
  		"DESC 'Protocol version of Bind request' "
  		"EQUALITY integerMatch "
  		"ORDERING integerOrderingMatch "
  		"SYNTAX OMsInteger "
  		"SINGLE-VALUE )", &ad_reqVersion },
  	{ "( " LOG_SCHEMA_AT ".14 NAME 'reqMethod' "
  		"DESC 'Bind method of request' "
  		"EQUALITY caseIgnoreMatch "
  		"SYNTAX OMsDirectoryString "
  		"SINGLE-VALUE )", &ad_reqMethod },
  	{ "( " LOG_SCHEMA_AT ".15 NAME 'reqAssertion' "
  		"DESC 'Compare Assertion of request' "
  		"SYNTAX OMsDirectoryString "
  		"SINGLE-VALUE )", &ad_reqAssertion },
  	{ "( " LOG_SCHEMA_AT ".16 NAME 'reqMod' "
  		"DESC 'Modifications of request' "
  		"EQUALITY octetStringMatch "
  		"SUBSTR octetStringSubstringsMatch "
  		"SYNTAX OMsOctetString )", &ad_reqMod },
  	{ "( " LOG_SCHEMA_AT ".17 NAME 'reqOld' "
  		"DESC 'Old values of entry before request completed' "
  		"EQUALITY octetStringMatch "
  		"SUBSTR octetStringSubstringsMatch "
  		"SYNTAX OMsOctetString )", &ad_reqOld },
  	{ "( " LOG_SCHEMA_AT ".18 NAME 'reqNewRDN' "
  		"DESC 'New RDN of request' "
  		"EQUALITY distinguishedNameMatch "
  		"SYNTAX OMsDN "
  		"SINGLE-VALUE )", &ad_reqNewRDN },
  	{ "( " LOG_SCHEMA_AT ".19 NAME 'reqDeleteOldRDN' "
  		"DESC 'Delete old RDN' "
  		"EQUALITY booleanMatch "
  		"SYNTAX OMsBoolean "
  		"SINGLE-VALUE )", &ad_reqDeleteOldRDN },
  	{ "( " LOG_SCHEMA_AT ".20 NAME 'reqNewSuperior' "
  		"DESC 'New superior DN of request' "
  		"EQUALITY distinguishedNameMatch "
  		"SYNTAX OMsDN "
  		"SINGLE-VALUE )", &ad_reqNewSuperior },
  	{ "( " LOG_SCHEMA_AT ".21 NAME 'reqScope' "
  		"DESC 'Scope of request' "
  		"EQUALITY caseIgnoreMatch "
  		"SYNTAX OMsDirectoryString "
  		"SINGLE-VALUE )", &ad_reqScope },
  	{ "( " LOG_SCHEMA_AT ".22 NAME 'reqDerefAliases' "
  		"DESC 'Disposition of Aliases in request' "
  		"EQUALITY caseIgnoreMatch "
  		"SYNTAX OMsDirectoryString "
  		"SINGLE-VALUE )", &ad_reqDerefAliases },
  	{ "( " LOG_SCHEMA_AT ".23 NAME 'reqAttrsOnly' "
  		"DESC 'Attributes and values of request' "
  		"EQUALITY booleanMatch "
  		"SYNTAX OMsBoolean "
  		"SINGLE-VALUE )", &ad_reqAttrsOnly },
  	{ "( " LOG_SCHEMA_AT ".24 NAME 'reqFilter' "
  		"DESC 'Filter of request' "
  		"EQUALITY caseIgnoreMatch "
  		"SUBSTR caseIgnoreSubstringsMatch "
  		"SYNTAX OMsDirectoryString "
  		"SINGLE-VALUE )", &ad_reqFilter },
  	{ "( " LOG_SCHEMA_AT ".25 NAME 'reqAttr' "
  		"DESC 'Attributes of request' "
  		"EQUALITY caseIgnoreMatch "
  		"SYNTAX OMsDirectoryString )", &ad_reqAttr },
  	{ "( " LOG_SCHEMA_AT ".26 NAME 'reqSizeLimit' "
  		"DESC 'Size limit of request' "
  		"EQUALITY integerMatch "
  		"ORDERING integerOrderingMatch "
  		"SYNTAX OMsInteger "
  		"SINGLE-VALUE )", &ad_reqSizeLimit },
  	{ "( " LOG_SCHEMA_AT ".27 NAME 'reqTimeLimit' "
  		"DESC 'Time limit of request' "
  		"EQUALITY integerMatch "
  		"ORDERING integerOrderingMatch "
  		"SYNTAX OMsInteger "
  		"SINGLE-VALUE )", &ad_reqTimeLimit },
  	{ "( " LOG_SCHEMA_AT ".28 NAME 'reqEntries' "
  		"DESC 'Number of entries returned' "
  		"EQUALITY integerMatch "
  		"ORDERING integerOrderingMatch "
  		"SYNTAX OMsInteger "
  		"SINGLE-VALUE )", &ad_reqEntries },
  	{ "( " LOG_SCHEMA_AT ".29 NAME 'reqData' "
  		"DESC 'Data of extended request' "
  		"EQUALITY octetStringMatch "
  		"SUBSTR octetStringSubstringsMatch "
  		"SYNTAX OMsOctetString "
  		"SINGLE-VALUE )", &ad_reqData },
  
  	/*
  	 * from <draft-chu-ldap-logschema-01.txt>:
  	 *
  
     ( LOG_SCHEMA_AT .30 NAME 'auditContext'
     DESC 'DN of auditContainer'
     EQUALITY distinguishedNameMatch
     SYNTAX 1.3.6.1.4.1.1466.115.121.1.12
     SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )
  
  	 * - removed EQUALITY matchingRule
  	 * - changed directoryOperation in dSAOperation
  	 */
  	{ "( " LOG_SCHEMA_AT ".30 NAME 'auditContext' "
  		"DESC 'DN of auditContainer' "
  		"SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
  		"SINGLE-VALUE "
  		"NO-USER-MODIFICATION "
  		"USAGE dSAOperation )", &ad_auditContext },
  
  	/*
  	 * ITS#6656
  	 */
  	{ "( " LOG_SCHEMA_AT ".31 NAME 'reqEntryUUID' "
  		"DESC 'UUID of entry' "
  		"EQUALITY UUIDMatch "
  		"ORDERING UUIDOrderingMatch "
  		"SYNTAX 1.3.6.1.1.16.1 "
  		"SINGLE-VALUE )", &ad_reqEntryUUID },
  	{ NULL, NULL }
  };
  
  static struct {
  	char *ot;
  	ObjectClass **oc;
  } locs[] = {
  	{ "( " LOG_SCHEMA_OC ".0 NAME 'auditContainer' "
  		"DESC 'AuditLog container' "
  		"SUP top STRUCTURAL "
  		"MAY ( cn $ reqStart $ reqEnd ) )", &log_container },
  	{ "( " LOG_SCHEMA_OC ".1 NAME 'auditObject' "
  		"DESC 'OpenLDAP request auditing' "
  		"SUP top STRUCTURAL "
  		"MUST ( reqStart $ reqType $ reqSession ) "
  		"MAY ( reqDN $ reqAuthzID $ reqControls $ reqRespControls $ reqEnd $ "
  			"reqResult $ reqMessage $ reqReferral $ reqEntryUUID ) )",
  				&log_ocs[LOG_EN_UNBIND] },
  	{ "( " LOG_SCHEMA_OC ".2 NAME 'auditReadObject' "
  		"DESC 'OpenLDAP read request record' "
  		"SUP auditObject STRUCTURAL )", &log_oc_read },
  	{ "( " LOG_SCHEMA_OC ".3 NAME 'auditWriteObject' "
  		"DESC 'OpenLDAP write request record' "
  		"SUP auditObject STRUCTURAL )", &log_oc_write },
  	{ "( " LOG_SCHEMA_OC ".4 NAME 'auditAbandon' "
  		"DESC 'Abandon operation' "
  		"SUP auditObject STRUCTURAL "
  		"MUST reqId )", &log_ocs[LOG_EN_ABANDON] },
  	{ "( " LOG_SCHEMA_OC ".5 NAME 'auditAdd' "
  		"DESC 'Add operation' "
  		"SUP auditWriteObject STRUCTURAL "
  		"MUST reqMod )", &log_ocs[LOG_EN_ADD] },
  	{ "( " LOG_SCHEMA_OC ".6 NAME 'auditBind' "
  		"DESC 'Bind operation' "
  		"SUP auditObject STRUCTURAL "
  		"MUST ( reqVersion $ reqMethod ) )", &log_ocs[LOG_EN_BIND] },
  	{ "( " LOG_SCHEMA_OC ".7 NAME 'auditCompare' "
  		"DESC 'Compare operation' "
  		"SUP auditReadObject STRUCTURAL "
  		"MUST reqAssertion )", &log_ocs[LOG_EN_COMPARE] },
  	{ "( " LOG_SCHEMA_OC ".8 NAME 'auditDelete' "
  		"DESC 'Delete operation' "
  		"SUP auditWriteObject STRUCTURAL "
  		"MAY reqOld )", &log_ocs[LOG_EN_DELETE] },
  	{ "( " LOG_SCHEMA_OC ".9 NAME 'auditModify' "
  		"DESC 'Modify operation' "
  		"SUP auditWriteObject STRUCTURAL "
  		"MAY reqOld MUST reqMod )", &log_ocs[LOG_EN_MODIFY] },
  	{ "( " LOG_SCHEMA_OC ".10 NAME 'auditModRDN' "
  		"DESC 'ModRDN operation' "
  		"SUP auditWriteObject STRUCTURAL "
  		"MUST ( reqNewRDN $ reqDeleteOldRDN ) "
  		"MAY ( reqNewSuperior $ reqMod $ reqOld ) )", &log_ocs[LOG_EN_MODRDN] },
  	{ "( " LOG_SCHEMA_OC ".11 NAME 'auditSearch' "
  		"DESC 'Search operation' "
  		"SUP auditReadObject STRUCTURAL "
  		"MUST ( reqScope $ reqDerefAliases $ reqAttrsonly ) "
  		"MAY ( reqFilter $ reqAttr $ reqEntries $ reqSizeLimit $ "
  			"reqTimeLimit ) )", &log_ocs[LOG_EN_SEARCH] },
  	{ "( " LOG_SCHEMA_OC ".12 NAME 'auditExtended' "
  		"DESC 'Extended operation' "
  		"SUP auditObject STRUCTURAL "
  		"MAY reqData )", &log_ocs[LOG_EN_EXTENDED] },
  	{ NULL, NULL }
  };
  
  #define	RDNEQ	"reqStart="
  
  /* Our time intervals are of the form [ddd+]hh:mm[:ss]
   * If a field is present, it must be two digits. (Except for
   * days, which can be arbitrary width.)
   */
  static int
  log_age_parse(char *agestr)
  {
  	int t1, t2;
  	int gotdays = 0;
  	char *endptr;
  
  	t1 = strtol( agestr, &endptr, 10 );
  	/* Is there a days delimiter? */
  	if ( *endptr == '+' ) {
  		/* 32 bit time only covers about 68 years */
  		if ( t1 < 0 || t1 > 25000 )
  			return -1;
  		t1 *= 24;
  		gotdays = 1;
  		agestr = endptr + 1;
  	} else {
  		if ( agestr[2] != ':' ) {
  			/* No valid delimiter found, fail */
  			return -1;
  		}
  		t1 *= 60;
  		agestr += 3;
  	}
  
  	t2 = atoi( agestr );
  	t1 += t2;
  
  	if ( agestr[2] ) {
  		/* if there's a delimiter, it can only be a colon */
  		if ( agestr[2] != ':' )
  			return -1;
  	} else {
  		/* If we're at the end of the string, and we started with days,
  		 * fail because we expected to find minutes too.
  		 */
  		return gotdays ? -1 : t1 * 60;
  	}
  
  	agestr += 3;
  	t2 = atoi( agestr );
  
  	/* last field can only be seconds */
  	if ( agestr[2] && ( agestr[2] != ':' || !gotdays ))
  		return -1;
  	t1 *= 60;
  	t1 += t2;
  
  	if ( agestr[2] ) {
  		agestr += 3;
  		if ( agestr[2] )
  			return -1;
  		t1 *= 60;
  		t1 += atoi( agestr );
  	} else if ( gotdays ) {
  		/* only got days+hh:mm */
  		t1 *= 60;
  	}
  	return t1;
  }
  
  static void
  log_age_unparse( int age, struct berval *agebv, size_t size )
  {
  	int dd, hh, mm, ss, len;
  	char *ptr;
  
  	assert( size > 0 );
  
  	ss = age % 60;
  	age /= 60;
  	mm = age % 60;
  	age /= 60;
  	hh = age % 24;
  	age /= 24;
  	dd = age;
  
  	ptr = agebv->bv_val;
  
  	if ( dd ) {
  		len = snprintf( ptr, size, "%d+", dd );
  		assert( len >= 0 && (unsigned) len < size );
  		size -= len;
  		ptr += len;
  	}
  	len = snprintf( ptr, size, "%02d:%02d", hh, mm );
  	assert( len >= 0 && (unsigned) len < size );
  	size -= len;
  	ptr += len;
  	if ( ss ) {
  		len = snprintf( ptr, size, ":%02d", ss );
  		assert( len >= 0 && (unsigned) len < size );
  		size -= len;
  		ptr += len;
  	}
  
  	agebv->bv_len = ptr - agebv->bv_val;
  }
  
  static slap_callback nullsc;
  
  #define PURGE_INCREMENT	100
  
  typedef struct purge_data {
  	int slots;
  	int used;
  	BerVarray dn;
  	BerVarray ndn;
  	struct berval csn;	/* an arbitrary old CSN */
  } purge_data;
  
  static int
  log_old_lookup( Operation *op, SlapReply *rs )
  {
  	purge_data *pd = op->o_callback->sc_private;
  	Attribute *a;
  
  	if ( rs->sr_type != REP_SEARCH) return 0;
  
  	if ( slapd_shutdown ) return 0;
  
  	/* Remember max CSN: should always be the last entry
  	 * seen, since log entries are ordered chronologically...
  	 */
  	a = attr_find( rs->sr_entry->e_attrs,
  		slap_schema.si_ad_entryCSN );
  	if ( a ) {
  		ber_len_t len = a->a_nvals[0].bv_len;
  		/* Paranoid len check, normalized CSNs are always the same length */
  		if ( len > LDAP_PVT_CSNSTR_BUFSIZE )
  			len = LDAP_PVT_CSNSTR_BUFSIZE;
  		if ( memcmp( a->a_nvals[0].bv_val, pd->csn.bv_val, len ) > 0 ) {
  			AC_MEMCPY( pd->csn.bv_val, a->a_nvals[0].bv_val, len );
  			pd->csn.bv_len = len;
  		}
  	}
  	if ( pd->used >= pd->slots ) {
  		pd->slots += PURGE_INCREMENT;
  		pd->dn = ch_realloc( pd->dn, pd->slots * sizeof( struct berval ));
  		pd->ndn = ch_realloc( pd->ndn, pd->slots * sizeof( struct berval ));
  	}
  	ber_dupbv( &pd->dn[pd->used], &rs->sr_entry->e_name );
  	ber_dupbv( &pd->ndn[pd->used], &rs->sr_entry->e_nname );
  	pd->used++;
  	return 0;
  }
  
  /* Periodically search for old entries in the log database and delete them */
  static void *
  accesslog_purge( void *ctx, void *arg )
  {
  	struct re_s *rtask = arg;
  	struct log_info *li = rtask->arg;
  
  	Connection conn = {0};
  	OperationBuffer opbuf;
  	Operation *op;
  	SlapReply rs = {REP_RESULT};
  	slap_callback cb = { NULL, log_old_lookup, NULL, NULL, NULL };
  	Filter f;
  	AttributeAssertion ava = ATTRIBUTEASSERTION_INIT;
  	purge_data pd = {0};
  	char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE];
  	char csnbuf[LDAP_PVT_CSNSTR_BUFSIZE];
  	time_t old = slap_get_time();
  
  	connection_fake_init( &conn, &opbuf, ctx );
  	op = &opbuf.ob_op;
  
  	f.f_choice = LDAP_FILTER_LE;
  	f.f_ava = &ava;
  	f.f_next = NULL;
  
  	ava.aa_desc = ad_reqStart;
  	ava.aa_value.bv_val = timebuf;
  	ava.aa_value.bv_len = sizeof(timebuf);
  
  	old -= li->li_age;
  	slap_timestamp( &old, &ava.aa_value );
  
  	op->o_tag = LDAP_REQ_SEARCH;
  	op->o_bd = li->li_db;
  	op->o_dn = li->li_db->be_rootdn;
  	op->o_ndn = li->li_db->be_rootndn;
  	op->o_req_dn = li->li_db->be_suffix[0];
  	op->o_req_ndn = li->li_db->be_nsuffix[0];
  	op->o_callback = &cb;
  	op->ors_scope = LDAP_SCOPE_ONELEVEL;
  	op->ors_deref = LDAP_DEREF_NEVER;
  	op->ors_tlimit = SLAP_NO_LIMIT;
  	op->ors_slimit = SLAP_NO_LIMIT;
  	op->ors_filter = &f;
  	filter2bv_x( op, &f, &op->ors_filterstr );
  	op->ors_attrs = slap_anlist_no_attrs;
  	op->ors_attrsonly = 1;
  	
  	pd.csn.bv_len = sizeof( csnbuf );
  	pd.csn.bv_val = csnbuf;
  	csnbuf[0] = '\0';
  	cb.sc_private = &pd;
  
  	op->o_bd->be_search( op, &rs );
  	op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
  
  	if ( pd.used ) {
  		int i;
  
  		/* delete the expired entries */
  		op->o_tag = LDAP_REQ_DELETE;
  		op->o_callback = &nullsc;
  		op->o_csn = pd.csn;
  		op->o_dont_replicate = 1;
  
  		for (i=0; i<pd.used; i++) {
  			op->o_req_dn = pd.dn[i];
  			op->o_req_ndn = pd.ndn[i];
  			if ( !slapd_shutdown ) {
  				rs_reinit( &rs, REP_RESULT );
  				op->o_bd->be_delete( op, &rs );
  			}
  			ch_free( pd.ndn[i].bv_val );
  			ch_free( pd.dn[i].bv_val );
  			ldap_pvt_thread_pool_pausecheck( &connection_pool );
  		}
  		ch_free( pd.ndn );
  		ch_free( pd.dn );
  
  		{
  			Modifications mod;
  			struct berval bv[2];
  			rs_reinit( &rs, REP_RESULT );
  			/* update context's entryCSN to reflect oldest CSN */
  			mod.sml_numvals = 1;
  			mod.sml_values = bv;
  			bv[0] = pd.csn;
  			BER_BVZERO(&bv[1]);
  			mod.sml_nvalues = NULL;
  			mod.sml_desc = slap_schema.si_ad_entryCSN;
  			mod.sml_op = LDAP_MOD_REPLACE;
  			mod.sml_flags = SLAP_MOD_INTERNAL;
  			mod.sml_next = NULL;
  
  			op->o_tag = LDAP_REQ_MODIFY;
  			op->orm_modlist = &mod;
  			op->orm_no_opattrs = 1;
  			op->o_req_dn = li->li_db->be_suffix[0];
  			op->o_req_ndn = li->li_db->be_nsuffix[0];
  			op->o_no_schema_check = 1;
  			op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
  			op->o_bd->be_modify( op, &rs );
  			if ( mod.sml_next ) {
  				slap_mods_free( mod.sml_next, 1 );
  			}
  		}
  	}
  
  	ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
  	ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
  	ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
  
  	return NULL;
  }
  
  static int
  log_cf_gen(ConfigArgs *c)
  {
  	slap_overinst *on = (slap_overinst *)c->bi;
  	struct log_info *li = on->on_bi.bi_private;
  	int rc = 0;
  	slap_mask_t tmask = 0;
  	char agebuf[2*STRLENOF("ddddd+hh:mm:ss  ")];
  	struct berval agebv, cyclebv;
  
  	switch( c->op ) {
  	case SLAP_CONFIG_EMIT:
  		switch( c->type ) {
  		case LOG_DB:
  			if ( !BER_BVISEMPTY( &li->li_db_suffix )) {
  				value_add_one( &c->rvalue_vals, &li->li_db_suffix );
  				value_add_one( &c->rvalue_nvals, &li->li_db_suffix );
  			} else if ( li->li_db ) {
  				value_add_one( &c->rvalue_vals, li->li_db->be_suffix );
  				value_add_one( &c->rvalue_nvals, li->li_db->be_nsuffix );
  			} else {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ),
  					"accesslog: \"logdb <suffix>\" must be specified" );
  				Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
  					c->log, c->cr_msg, c->value_dn.bv_val );
  				rc = 1;
  				break;
  			}
  			break;
  		case LOG_OPS:
  			rc = mask_to_verbs( logops, li->li_ops, &c->rvalue_vals );
  			break;
  		case LOG_PURGE:
  			if ( !li->li_age ) {
  				rc = 1;
  				break;
  			}
  			agebv.bv_val = agebuf;
  			log_age_unparse( li->li_age, &agebv, sizeof( agebuf ) );
  			agebv.bv_val[agebv.bv_len] = ' ';
  			agebv.bv_len++;
  			cyclebv.bv_val = agebv.bv_val + agebv.bv_len;
  			log_age_unparse( li->li_cycle, &cyclebv, sizeof( agebuf ) - agebv.bv_len );
  			agebv.bv_len += cyclebv.bv_len;
  			value_add_one( &c->rvalue_vals, &agebv );
  			break;
  		case LOG_SUCCESS:
  			if ( li->li_success )
  				c->value_int = li->li_success;
  			else
  				rc = 1;
  			break;
  		case LOG_OLD:
  			if ( li->li_oldf ) {
  				filter2bv( li->li_oldf, &agebv );
  				ber_bvarray_add( &c->rvalue_vals, &agebv );
  			}
  			else
  				rc = 1;
  			break;
  		case LOG_OLDATTR:
  			if ( li->li_oldattrs ) {
  				log_attr *la;
  
  				for ( la = li->li_oldattrs; la; la=la->next )
  					value_add_one( &c->rvalue_vals, &la->attr->ad_cname );
  			}
  			else
  				rc = 1;
  			break;
  		case LOG_BASE:
  			if ( li->li_bases ) {
  				log_base *lb;
  
  				for ( lb = li->li_bases; lb; lb=lb->lb_next )
  					value_add_one( &c->rvalue_vals, &lb->lb_line );
  			}
  			else
  				rc = 1;
  			break;
  		}
  		break;
  	case LDAP_MOD_DELETE:
  		switch( c->type ) {
  		case LOG_DB:
  			/* noop. this should always be a valid backend. */
  			break;
  		case LOG_OPS:
  			if ( c->valx < 0 ) {
  				li->li_ops = 0;
  			} else {
  				rc = verbs_to_mask( 1, &c->line, logops, &tmask );
  				if ( rc == 0 )
  					li->li_ops &= ~tmask;
  			}
  			break;
  		case LOG_PURGE:
  			if ( li->li_task ) {
  				struct re_s *re = li->li_task;
  				li->li_task = NULL;
  				ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
  				if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ))
  					ldap_pvt_runqueue_stoptask( &slapd_rq, re );
  				ldap_pvt_runqueue_remove( &slapd_rq, re );
  				ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
  			}
  			li->li_age = 0;
  			li->li_cycle = 0;
  			break;
  		case LOG_SUCCESS:
  			li->li_success = 0;
  			break;
  		case LOG_OLD:
  			if ( li->li_oldf ) {
  				filter_free( li->li_oldf );
  				li->li_oldf = NULL;
  			}
  			break;
  		case LOG_OLDATTR:
  			if ( c->valx < 0 ) {
  				log_attr *la, *ln;
  
  				for ( la = li->li_oldattrs; la; la = ln ) {
  					ln = la->next;
  					ch_free( la );
  				}
  			} else {
  				log_attr *la = NULL, **lp;
  				int i;
  
  				for ( lp = &li->li_oldattrs, i=0; i < c->valx; i++ ) {
  					la = *lp;
  					lp = &la->next;
  				}
  				*lp = la->next;
  				ch_free( la );
  			}
  			break;
  		case LOG_BASE:
  			if ( c->valx < 0 ) {
  				log_base *lb, *ln;
  
  				for ( lb = li->li_bases; lb; lb = ln ) {
  					ln = lb->lb_next;
  					ch_free( lb );
  				}
  			} else {
  				log_base *lb = NULL, **lp;
  				int i;
  
  				for ( lp = &li->li_bases, i=0; i < c->valx; i++ ) {
  					lb = *lp;
  					lp = &lb->lb_next;
  				}
  				*lp = lb->lb_next;
  				ch_free( lb );
  			}
  			break;
  		}
  		break;
  	default:
  		switch( c->type ) {
  		case LOG_DB:
  			if ( CONFIG_ONLINE_ADD( c )) {
  				li->li_db = select_backend( &c->value_ndn, 0 );
  				if ( !li->li_db ) {
  					snprintf( c->cr_msg, sizeof( c->cr_msg ),
  						"<%s> no matching backend found for suffix",
  						c->argv[0] );
  					Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
  						c->log, c->cr_msg, c->value_dn.bv_val );
  					rc = 1;
  				}
  				ch_free( c->value_ndn.bv_val );
  			} else {
  				li->li_db_suffix = c->value_ndn;
  			}
  			ch_free( c->value_dn.bv_val );
  			break;
  		case LOG_OPS:
  			rc = verbs_to_mask( c->argc, c->argv, logops, &tmask );
  			if ( rc == 0 )
  				li->li_ops |= tmask;
  			break;
  		case LOG_PURGE:
  			li->li_age = log_age_parse( c->argv[1] );
  			if ( li->li_age < 1 ) {
  				rc = 1;
  			} else {
  				li->li_cycle = log_age_parse( c->argv[2] );
  				if ( li->li_cycle < 1 ) {
  					rc = 1;
  				} else if ( slapMode & SLAP_SERVER_MODE ) {
  					struct re_s *re = li->li_task;
  					if ( re )
  						re->interval.tv_sec = li->li_cycle;
  					else {
  						ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
  						li->li_task = ldap_pvt_runqueue_insert( &slapd_rq,
  							li->li_cycle, accesslog_purge, li,
  							"accesslog_purge", li->li_db ?
  								li->li_db->be_suffix[0].bv_val :
  								c->be->be_suffix[0].bv_val );
  						ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
  					}
  				}
  			}
  			break;
  		case LOG_SUCCESS:
  			li->li_success = c->value_int;
  			break;
  		case LOG_OLD:
  			li->li_oldf = str2filter( c->argv[1] );
  			if ( !li->li_oldf ) {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "bad filter!" );
  				rc = 1;
  			}
  			break;
  		case LOG_OLDATTR: {
  			int i;
  			AttributeDescription *ad;
  			const char *text;
  
  			for ( i=1; i< c->argc; i++ ) {
  				ad = NULL;
  				if ( slap_str2ad( c->argv[i], &ad, &text ) == LDAP_SUCCESS ) {
  					log_attr *la = ch_malloc( sizeof( log_attr ));
  					la->attr = ad;
  					la->next = li->li_oldattrs;
  					li->li_oldattrs = la;
  				} else {
  					snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s <%s>: %s",
  						c->argv[0], c->argv[i], text );
  					Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
  						"%s: %s\n", c->log, c->cr_msg, 0 );
  					rc = ARG_BAD_CONF;
  					break;
  				}
  			}
  			}
  			break;
  		case LOG_BASE: {
  			slap_mask_t m = 0;
  			rc = verbstring_to_mask( logops, c->argv[1], '|', &m );
  			if ( rc == 0 ) {
  				struct berval dn, ndn;
  				ber_str2bv( c->argv[2], 0, 0, &dn );
  				rc = dnNormalize( 0, NULL, NULL, &dn, &ndn, NULL );
  				if ( rc == 0 ) {
  					log_base *lb;
  					struct berval mbv;
  					char *ptr;
  					mask_to_verbstring( logops, m, '|', &mbv );
  					lb = ch_malloc( sizeof( log_base ) + mbv.bv_len + ndn.bv_len + 3 + 1 );
  					lb->lb_line.bv_val = (char *)(lb + 1);
  					lb->lb_line.bv_len = mbv.bv_len + ndn.bv_len + 3;
  					ptr = lutil_strcopy( lb->lb_line.bv_val, mbv.bv_val );
  					*ptr++ = ' ';
  					*ptr++ = '"';
  					lb->lb_base.bv_val = ptr;
  					lb->lb_base.bv_len = ndn.bv_len;
  					ptr = lutil_strcopy( ptr, ndn.bv_val );
  					*ptr++ = '"';
  					lb->lb_ops = m;
  					lb->lb_next = li->li_bases;
  					li->li_bases = lb;
  				} else {
  					snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s invalid DN: %s",
  						c->argv[0], c->argv[2] );
  					Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
  						"%s: %s\n", c->log, c->cr_msg, 0 );
  					rc = ARG_BAD_CONF;
  				}
  			} else {
  				snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s invalid ops: %s",
  					c->argv[0], c->argv[1] );
  				Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
  					"%s: %s\n", c->log, c->cr_msg, 0 );
  				rc = ARG_BAD_CONF;
  			}
  			}
  			break;
  		}
  		break;
  	}
  	return rc;
  }
  
  static int
  logSchemaControlValidate(
  	Syntax		*syntax,
  	struct berval	*valp )
  {
  	struct berval	val, bv;
  	ber_len_t		i;
  	int		rc = LDAP_SUCCESS;
  
  	assert( valp != NULL );
  
  	val = *valp;
  
  	/* check minimal size */
  	if ( val.bv_len < STRLENOF( "{*}" ) ) {
  		return LDAP_INVALID_SYNTAX;
  	}
  
  	val.bv_len--;
  
  	/* check SEQUENCE boundaries */
  	if ( val.bv_val[ 0 ] != '{' /*}*/ ||
  		val.bv_val[ val.bv_len ] != /*{*/ '}' )
  	{
  		return LDAP_INVALID_SYNTAX;
  	}
  
  	/* extract and check OID */
  	for ( i = 1; i < val.bv_len; i++ ) {
  		if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
  			break;
  		}
  	}
  
  	bv.bv_val = &val.bv_val[ i ];
  
  	for ( i++; i < val.bv_len; i++ ) {
  		if ( ASCII_SPACE( val.bv_val[ i ] ) )
  		{
  			break;
  		}
  	}
  
  	bv.bv_len = &val.bv_val[ i ] - bv.bv_val;
  
  	rc = numericoidValidate( NULL, &bv );
  	if ( rc != LDAP_SUCCESS ) {
  		return rc;
  	}
  
  	if ( i == val.bv_len ) {
  		return LDAP_SUCCESS;
  	}
  
  	if ( val.bv_val[ i ] != ' ' ) {
  		return LDAP_INVALID_SYNTAX;
  	}
  
  	for ( i++; i < val.bv_len; i++ ) {
  		if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
  			break;
  		}
  	}
  
  	if ( i == val.bv_len ) {
  		return LDAP_SUCCESS;
  	}
  
  	/* extract and check criticality */
  	if ( strncasecmp( &val.bv_val[ i ], "criticality ", STRLENOF( "criticality " ) ) == 0 )
  	{
  		i += STRLENOF( "criticality " );
  		for ( ; i < val.bv_len; i++ ) {
  			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
  				break;
  			}
  		}
  
  		if ( i == val.bv_len ) {
  			return LDAP_INVALID_SYNTAX;
  		}
  
  		bv.bv_val = &val.bv_val[ i ];
  
  		for ( ; i < val.bv_len; i++ ) {
  			if ( ASCII_SPACE( val.bv_val[ i ] ) ) {
  				break;
  			}
  		}
  
  		bv.bv_len = &val.bv_val[ i ] - bv.bv_val;
  
  		if ( !bvmatch( &bv, &slap_true_bv ) && !bvmatch( &bv, &slap_false_bv ) ) 
  		{
  			return LDAP_INVALID_SYNTAX;
  		}
  
  		if ( i == val.bv_len ) {
  			return LDAP_SUCCESS;
  		}
  
  		if ( val.bv_val[ i ] != ' ' ) {
  			return LDAP_INVALID_SYNTAX;
  		}
  
  		for ( i++; i < val.bv_len; i++ ) {
  			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
  				break;
  			}
  		}
  
  		if ( i == val.bv_len ) {
  			return LDAP_SUCCESS;
  		}
  	}
  
  	/* extract and check controlValue */
  	if ( strncasecmp( &val.bv_val[ i ], "controlValue ", STRLENOF( "controlValue " ) ) == 0 )
  	{
  		ber_len_t valueStart, valueLen;
  
  		i += STRLENOF( "controlValue " );
  		for ( ; i < val.bv_len; i++ ) {
  			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
  				break;
  			}
  		}
  
  		if ( i == val.bv_len ) {
  			return LDAP_INVALID_SYNTAX;
  		}
  
  		if ( val.bv_val[ i ] != '"' ) {
  			return LDAP_INVALID_SYNTAX;
  		}
  
  		i++;
  		valueStart = i;
  
  		for ( ; i < val.bv_len; i++ ) {
  			if ( val.bv_val[ i ] == '"' ) {
  				break;
  			}
  
  			if ( !ASCII_HEX( val.bv_val[ i ] ) ) {
  				return LDAP_INVALID_SYNTAX;
  			}
  		}
  
  		if ( val.bv_val[ i ] != '"' ) {
  			return LDAP_INVALID_SYNTAX;
  		}
  
  		valueLen = i - valueStart;
  		if ( (valueLen/2)*2 != valueLen ) {
  			return LDAP_INVALID_SYNTAX;
  		}
  
  		for ( i++; i < val.bv_len; i++ ) {
  			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
  				break;
  			}
  		}
  
  		if ( i == val.bv_len ) {
  			return LDAP_SUCCESS;
  		}
  	}
  
  	return LDAP_INVALID_SYNTAX;
  }
  
  static int
  accesslog_ctrls(
  	LDAPControl **ctrls,
  	BerVarray *valsp,
  	BerVarray *nvalsp,
  	void *memctx )
  {
  	long		i, rc = 0;
  
  	assert( valsp != NULL );
  	assert( ctrls != NULL );
  
  	*valsp = NULL;
  	*nvalsp = NULL;
  
  	for ( i = 0; ctrls[ i ] != NULL; i++ ) {
  		struct berval	idx,
  				oid,
  				noid,
  				bv;
  		char		*ptr,
  				buf[ 32 ];
  
  		if ( ctrls[ i ]->ldctl_oid == NULL ) {
  			return LDAP_PROTOCOL_ERROR;
  		}
  
  		idx.bv_len = snprintf( buf, sizeof( buf ), "{%ld}", i );
  		idx.bv_val = buf;
  
  		ber_str2bv( ctrls[ i ]->ldctl_oid, 0, 0, &oid );
  		noid.bv_len = idx.bv_len + oid.bv_len;
  		ptr = noid.bv_val = ber_memalloc_x( noid.bv_len + 1, memctx );
  		ptr = lutil_strcopy( ptr, idx.bv_val );
  		ptr = lutil_strcopy( ptr, oid.bv_val );
  
  		bv.bv_len = idx.bv_len + STRLENOF( "{}" ) + oid.bv_len;
  
  		if ( ctrls[ i ]->ldctl_iscritical ) {
  			bv.bv_len += STRLENOF( " criticality TRUE" );
  		}
  
  		if ( !BER_BVISNULL( &ctrls[ i ]->ldctl_value ) ) {
  			bv.bv_len += STRLENOF( " controlValue \"\"" )
  				+ 2 * ctrls[ i ]->ldctl_value.bv_len;
  		}
  
  		ptr = bv.bv_val = ber_memalloc_x( bv.bv_len + 1, memctx );
  		if ( ptr == NULL ) {
  			ber_bvarray_free( *valsp );
  			*valsp = NULL;
  			ber_bvarray_free( *nvalsp );
  			*nvalsp = NULL;
  			return LDAP_OTHER;
  		}
  
  		ptr = lutil_strcopy( ptr, idx.bv_val );
  
  		*ptr++ = '{' /*}*/ ;
  		ptr = lutil_strcopy( ptr, oid.bv_val );
  
  		if ( ctrls[ i ]->ldctl_iscritical ) {
  			ptr = lutil_strcopy( ptr, " criticality TRUE" );
  		}
  		
  		if ( !BER_BVISNULL( &ctrls[ i ]->ldctl_value ) ) {
  			ber_len_t	j;
  
  			ptr = lutil_strcopy( ptr, " controlValue \"" );
  			for ( j = 0; j < ctrls[ i ]->ldctl_value.bv_len; j++ ) {
  				*ptr++ = SLAP_ESCAPE_HI(ctrls[ i ]->ldctl_value.bv_val[ j ]);
  				*ptr++ = SLAP_ESCAPE_LO(ctrls[ i ]->ldctl_value.bv_val[ j ]);
  			}
  
  			*ptr++ = '"';
  		}
  
  		*ptr++ = '}';
  		*ptr = '\0';
  
  		ber_bvarray_add_x( valsp, &bv, memctx );
  		ber_bvarray_add_x( nvalsp, &noid, memctx );
  	}
  
  	return rc;
  	
  }
  
  static Entry *accesslog_entry( Operation *op, SlapReply *rs, int logop,
  	Operation *op2 ) {
  	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
  	log_info *li = on->on_bi.bi_private;
  
  	char rdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
  	char nrdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
  
  	struct berval rdn, nrdn, timestamp, ntimestamp, bv;
  	slap_verbmasks *lo = logops+logop+EN_OFFSET;
  
  	Entry *e = entry_alloc();
  
  	strcpy( rdnbuf, RDNEQ );
  	rdn.bv_val = rdnbuf;
  	strcpy( nrdnbuf, RDNEQ );
  	nrdn.bv_val = nrdnbuf;
  
  	timestamp.bv_val = rdnbuf+STRLENOF(RDNEQ);
  	timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
  	slap_timestamp( &op->o_time, &timestamp );
  	snprintf( timestamp.bv_val + timestamp.bv_len-1, sizeof(".123456Z"), ".%06dZ", op->o_tincr );
  	timestamp.bv_len += STRLENOF(".123456");
  
  	rdn.bv_len = STRLENOF(RDNEQ)+timestamp.bv_len;
  	ad_reqStart->ad_type->sat_equality->smr_normalize(
  		SLAP_MR_VALUE_OF_ASSERTION_SYNTAX, ad_reqStart->ad_type->sat_syntax,
  		ad_reqStart->ad_type->sat_equality, &timestamp, &ntimestamp,
  		op->o_tmpmemctx );
  
  	strcpy( nrdn.bv_val + STRLENOF(RDNEQ), ntimestamp.bv_val );
  	nrdn.bv_len = STRLENOF(RDNEQ)+ntimestamp.bv_len;
  	build_new_dn( &e->e_name, li->li_db->be_suffix, &rdn, NULL );
  	build_new_dn( &e->e_nname, li->li_db->be_nsuffix, &nrdn, NULL );
  
  	attr_merge_one( e, slap_schema.si_ad_objectClass,
  		&log_ocs[logop]->soc_cname, NULL );
  	attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
  		&log_ocs[logop]->soc_cname, NULL );
  	attr_merge_one( e, ad_reqStart, &timestamp, &ntimestamp );
  	op->o_tmpfree( ntimestamp.bv_val, op->o_tmpmemctx );
  
  	slap_op_time( &op2->o_time, &op2->o_tincr );
  
  	timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
  	slap_timestamp( &op2->o_time, &timestamp );
  	snprintf( timestamp.bv_val + timestamp.bv_len-1, sizeof(".123456Z"), ".%06dZ", op2->o_tincr );
  	timestamp.bv_len += STRLENOF(".123456");
  
  	attr_merge_normalize_one( e, ad_reqEnd, &timestamp, op->o_tmpmemctx );
  
  	/* Exops have OID appended */
  	if ( logop == LOG_EN_EXTENDED ) {
  		bv.bv_len = lo->word.bv_len + op->ore_reqoid.bv_len + 2;
  		bv.bv_val = ch_malloc( bv.bv_len + 1 );
  		AC_MEMCPY( bv.bv_val, lo->word.bv_val, lo->word.bv_len );
  		bv.bv_val[lo->word.bv_len] = '{';
  		AC_MEMCPY( bv.bv_val+lo->word.bv_len+1, op->ore_reqoid.bv_val,
  			op->ore_reqoid.bv_len );
  		bv.bv_val[bv.bv_len-1] = '}';
  		bv.bv_val[bv.bv_len] = '\0';
  		attr_merge_one( e, ad_reqType, &bv, NULL );
  	} else {
  		attr_merge_one( e, ad_reqType, &lo->word, NULL );
  	}
  
  	rdn.bv_len = snprintf( rdn.bv_val, sizeof( rdnbuf ), "%lu", op->o_connid );
  	if ( rdn.bv_len < sizeof( rdnbuf ) ) {
  		attr_merge_one( e, ad_reqSession, &rdn, NULL );
  	} /* else? */
  
  	if ( BER_BVISNULL( &op->o_dn ) ) {
  		attr_merge_one( e, ad_reqAuthzID, (struct berval *)&slap_empty_bv,
  			(struct berval *)&slap_empty_bv );
  	} else {
  		attr_merge_one( e, ad_reqAuthzID, &op->o_dn, &op->o_ndn );
  	}
  
  	/* FIXME: need to add reqControls and reqRespControls */
  	if ( op->o_ctrls ) {
  		BerVarray	vals = NULL,
  				nvals = NULL;
  
  		if ( accesslog_ctrls( op->o_ctrls, &vals, &nvals,
  			op->o_tmpmemctx ) == LDAP_SUCCESS && vals )
  		{
  			attr_merge( e, ad_reqControls, vals, nvals );
  			ber_bvarray_free_x( vals, op->o_tmpmemctx );
  			ber_bvarray_free_x( nvals, op->o_tmpmemctx );
  		}
  	}
  
  	if ( rs->sr_ctrls ) {
  		BerVarray	vals = NULL,
  				nvals = NULL;
  
  		if ( accesslog_ctrls( rs->sr_ctrls, &vals, &nvals,
  			op->o_tmpmemctx ) == LDAP_SUCCESS && vals )
  		{
  			attr_merge( e, ad_reqRespControls, vals, nvals );
  			ber_bvarray_free_x( vals, op->o_tmpmemctx );
  			ber_bvarray_free_x( nvals, op->o_tmpmemctx );
  		}
  
  	}
  
  	return e;
  }
  
  static struct berval scopes[] = {
  	BER_BVC("base"),
  	BER_BVC("one"),
  	BER_BVC("sub"),
  	BER_BVC("subord")
  };
  
  static struct berval derefs[] = {
  	BER_BVC("never"),
  	BER_BVC("searching"),
  	BER_BVC("finding"),
  	BER_BVC("always")
  };
  
  static struct berval simple = BER_BVC("SIMPLE");
  
  static void accesslog_val2val(AttributeDescription *ad, struct berval *val,
  	char c_op, struct berval *dst) {
  	char *ptr;
  
  	dst->bv_len = ad->ad_cname.bv_len + val->bv_len + 2;
  	if ( c_op ) dst->bv_len++;
  
  	dst->bv_val = ch_malloc( dst->bv_len+1 );
  
  	ptr = lutil_strcopy( dst->bv_val, ad->ad_cname.bv_val );
  	*ptr++ = ':';
  	if ( c_op )
  		*ptr++ = c_op;
  	*ptr++ = ' ';
  	AC_MEMCPY( ptr, val->bv_val, val->bv_len );
  	dst->bv_val[dst->bv_len] = '\0';
  }
  
  static int
  accesslog_op2logop( Operation *op )
  {
  	switch ( op->o_tag ) {
  	case LDAP_REQ_ADD:		return LOG_EN_ADD;
  	case LDAP_REQ_DELETE:	return LOG_EN_DELETE;
  	case LDAP_REQ_MODIFY:	return LOG_EN_MODIFY;
  	case LDAP_REQ_MODRDN:	return LOG_EN_MODRDN;
  	case LDAP_REQ_COMPARE:	return LOG_EN_COMPARE;
  	case LDAP_REQ_SEARCH:	return LOG_EN_SEARCH;
  	case LDAP_REQ_BIND:		return LOG_EN_BIND;
  	case LDAP_REQ_EXTENDED:	return LOG_EN_EXTENDED;
  	default:	/* unknown operation type */
  		break;
  	}	/* Unbind and Abandon never reach here */
  	return LOG_EN_UNKNOWN;
  }
  
  static int accesslog_response(Operation *op, SlapReply *rs) {
  	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
  	log_info *li = on->on_bi.bi_private;
  	Attribute *a, *last_attr;
  	Modifications *m;
  	struct berval *b, uuid = BER_BVNULL;
  	int i;
  	int logop, do_graduate = 0;
  	slap_verbmasks *lo;
  	Entry *e = NULL, *old = NULL, *e_uuid = NULL;
  	char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE+8];
  	struct berval bv;
  	char *ptr;
  	BerVarray vals;
  	Operation op2 = {0};
  	SlapReply rs2 = {REP_RESULT};
  
  	if ( rs->sr_type != REP_RESULT && rs->sr_type != REP_EXTENDED )
  		return SLAP_CB_CONTINUE;
  
  	logop = accesslog_op2logop( op );
  	lo = logops+logop+EN_OFFSET;
  	if ( !( li->li_ops & lo->mask )) {
  		log_base *lb;
  
  		i = 0;
  		for ( lb = li->li_bases; lb; lb=lb->lb_next )
  			if (( lb->lb_ops & lo->mask ) && dnIsSuffix( &op->o_req_ndn, &lb->lb_base )) {
  				i = 1;
  				break;
  			}
  		if ( !i )
  			return SLAP_CB_CONTINUE;
  	}
  
  	/* mutex and so were only set for write operations;
  	 * if we got here, the operation must be logged */
  	if ( lo->mask & LOG_OP_WRITES ) {
  		slap_callback *cb;
  
  		/* Most internal ops are not logged */
  		if ( op->o_dont_replicate) {
  			/* Let contextCSN updates from syncrepl thru; the underlying
  			 * syncprov needs to see them. Skip others.
  			 */
  			if (( op->o_tag != LDAP_REQ_MODIFY ||
  				op->orm_modlist->sml_op != LDAP_MOD_REPLACE ||
  				op->orm_modlist->sml_desc != slap_schema.si_ad_contextCSN ) &&
  				op->orm_no_opattrs )
  			return SLAP_CB_CONTINUE;
  		}
  
  		ldap_pvt_thread_mutex_lock( &li->li_log_mutex );
  		old = li->li_old;
  		uuid = li->li_uuid;
  		li->li_old = NULL;
  		BER_BVZERO( &li->li_uuid );
  		/* Disarm mod_cleanup */
  		for ( cb = op->o_callback; cb; cb = cb->sc_next ) {
  			if ( cb->sc_private == (void *)on ) {
  				cb->sc_private = NULL;
  				break;
  			}
  		}
  #ifdef RMUTEX_DEBUG
  		Debug( LDAP_DEBUG_SYNC,
  			"accesslog_response: unlocking rmutex for tid %x\n",
  			op->o_tid, 0, 0 );
  #endif
  		ldap_pvt_thread_rmutex_unlock( &li->li_op_rmutex, op->o_tid );
  	}
  
  	/* ignore these internal reads */
  	if (( lo->mask & LOG_OP_READS ) && op->o_do_not_cache ) {
  		return SLAP_CB_CONTINUE;
  	}
  
  	if ( li->li_success && rs->sr_err != LDAP_SUCCESS )
  		goto done;
  
  	e = accesslog_entry( op, rs, logop, &op2 );
  
  	attr_merge_one( e, ad_reqDN, &op->o_req_dn, &op->o_req_ndn );
  
  	if ( rs->sr_text ) {
  		ber_str2bv( rs->sr_text, 0, 0, &bv );
  		attr_merge_normalize_one( e, ad_reqMessage, &bv, op->o_tmpmemctx );
  	}
  	bv.bv_len = snprintf( timebuf, sizeof( timebuf ), "%d", rs->sr_err );
  	if ( bv.bv_len < sizeof( timebuf ) ) {
  		bv.bv_val = timebuf;
  		attr_merge_one( e, ad_reqResult, &bv, NULL );
  	}
  
  	last_attr = attr_find( e->e_attrs, ad_reqResult );
  
  	e_uuid = old;
  	switch( logop ) {
  	case LOG_EN_ADD:
  	case LOG_EN_DELETE: {
  		char c_op;
  		Entry *e2;
  
  		if ( logop == LOG_EN_ADD ) {
  			e2 = op->ora_e;
  			e_uuid = op->ora_e;
  			c_op = '+';
  
  		} else {
  			if ( !old )
  				break;
  			e2 = old;
  			c_op = 0;
  		}
  		/* count all the vals */
  		i = 0;
  		for ( a=e2->e_attrs; a; a=a->a_next ) {
  			i += a->a_numvals;
  		}
  		vals = ch_malloc( (i+1) * sizeof( struct berval ));
  		i = 0;
  		for ( a=e2->e_attrs; a; a=a->a_next ) {
  			if ( a->a_vals ) {
  				for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
  					accesslog_val2val( a->a_desc, b, c_op, &vals[i] );
  				}
  			}
  		}
  		vals[i].bv_val = NULL;
  		vals[i].bv_len = 0;
  		a = attr_alloc( logop == LOG_EN_ADD ? ad_reqMod : ad_reqOld );
  		a->a_numvals = i;
  		a->a_vals = vals;
  		a->a_nvals = vals;
  		last_attr->a_next = a;
  		break;
  	}
  
  	case LOG_EN_MODRDN:
  	case LOG_EN_MODIFY:
  		/* count all the mods + attributes (ITS#6545) */
  		i = 0;
  		for ( m = op->orm_modlist; m; m = m->sml_next ) {
  			if ( m->sml_values ) {
  				i += m->sml_numvals;
  			} else if ( m->sml_op == LDAP_MOD_DELETE ||
  				m->sml_op == LDAP_MOD_REPLACE )
  			{
  				i++;
  			}
  			if ( m->sml_next && m->sml_desc == m->sml_next->sml_desc ) {
  				i++;
  			}
  		}
  		vals = ch_malloc( (i+1) * sizeof( struct berval ));
  		i = 0;
  
  		/* init flags on old entry */
  		if ( old ) {
  			for ( a = old->e_attrs; a; a = a->a_next ) {
  				log_attr *la;
  				a->a_flags = 0;
  
  				/* look for attrs that are always logged */
  				for ( la = li->li_oldattrs; la; la = la->next ) {
  					if ( a->a_desc == la->attr ) {
  						a->a_flags = 1;
  					}
  				}
  			}
  		}
  
  		for ( m = op->orm_modlist; m; m = m->sml_next ) {
  			/* Mark this attribute as modified */
  			if ( old ) {
  				a = attr_find( old->e_attrs, m->sml_desc );
  				if ( a ) {
  					a->a_flags = 1;
  				}
  			}
  
  			/* don't log the RDN mods; they're explicitly logged later */
  			if ( logop == LOG_EN_MODRDN &&
  			 	( m->sml_op == SLAP_MOD_SOFTADD ||
  				  m->sml_op == LDAP_MOD_DELETE ) )
  			{
  				continue;
  			}
  
  			if ( m->sml_values ) {
  				for ( b = m->sml_values; !BER_BVISNULL( b ); b++, i++ ) {
  					char c_op;
  
  					switch ( m->sml_op ) {
  					case LDAP_MOD_ADD: c_op = '+'; break;
  					case LDAP_MOD_DELETE:	c_op = '-'; break;
  					case LDAP_MOD_REPLACE:	c_op = '='; break;
  					case LDAP_MOD_INCREMENT:	c_op = '#'; break;
  
  					/* unknown op. there shouldn't be any of these. we
  					 * don't know what to do with it, but we shouldn't just
  					 * ignore it.
  					 */
  					default: c_op = '?'; break;
  					}
  					accesslog_val2val( m->sml_desc, b, c_op, &vals[i] );
  				}
  			} else if ( m->sml_op == LDAP_MOD_DELETE ||
  				m->sml_op == LDAP_MOD_REPLACE )
  			{
  				vals[i].bv_len = m->sml_desc->ad_cname.bv_len + 2;
  				vals[i].bv_val = ch_malloc( vals[i].bv_len + 1 );
  				ptr = lutil_strcopy( vals[i].bv_val,
  					m->sml_desc->ad_cname.bv_val );
  				*ptr++ = ':';
  				if ( m->sml_op == LDAP_MOD_DELETE ) {
  					*ptr++ = '-';
  				} else {
  					*ptr++ = '=';
  				}
  				*ptr = '\0';
  				i++;
  			}
  			/* ITS#6545: when the same attribute is edited multiple times,
  			 * record the transition */
  			if ( m->sml_next && m->sml_desc == m->sml_next->sml_desc ) {
  				ber_str2bv( ":", STRLENOF(":"), 1, &vals[i] );
  				i++;
  			}
  		}
  
  		if ( i > 0 ) {
  			BER_BVZERO( &vals[i] );
  			a = attr_alloc( ad_reqMod );
  			a->a_numvals = i;
  			a->a_vals = vals;
  			a->a_nvals = vals;
  			last_attr->a_next = a;
  			last_attr = a;
  
  		} else {
  			ch_free( vals );
  		}
  
  		if ( old ) {
  			/* count all the vals */
  			i = 0;
  			for ( a = old->e_attrs; a != NULL; a = a->a_next ) {
  				if ( a->a_vals && a->a_flags ) {
  					i += a->a_numvals;
  				}
  			}
  			if ( i ) {
  				vals = ch_malloc( (i + 1) * sizeof( struct berval ) );
  				i = 0;
  				for ( a=old->e_attrs; a; a=a->a_next ) {
  					if ( a->a_vals && a->a_flags ) {
  						for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
  							accesslog_val2val( a->a_desc, b, 0, &vals[i] );
  						}
  					}
  				}
  				vals[i].bv_val = NULL;
  				vals[i].bv_len = 0;
  				a = attr_alloc( ad_reqOld );
  				a->a_numvals = i;
  				a->a_vals = vals;
  				a->a_nvals = vals;
  				last_attr->a_next = a;
  			}
  		}
  		if ( logop == LOG_EN_MODIFY ) {
  			break;
  		}
  
  		/* Now log the actual modRDN info */
  		attr_merge_one( e, ad_reqNewRDN, &op->orr_newrdn, &op->orr_nnewrdn );
  		attr_merge_one( e, ad_reqDeleteOldRDN, op->orr_deleteoldrdn ?
  			(struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
  			NULL );
  		if ( op->orr_newSup ) {
  			attr_merge_one( e, ad_reqNewSuperior, op->orr_newSup, op->orr_nnewSup );
  		}
  		break;
  
  	case LOG_EN_COMPARE:
  		bv.bv_len = op->orc_ava->aa_desc->ad_cname.bv_len + 1 +
  			op->orc_ava->aa_value.bv_len;
  		bv.bv_val = op->o_tmpalloc( bv.bv_len+1, op->o_tmpmemctx );
  		ptr = lutil_strcopy( bv.bv_val, op->orc_ava->aa_desc->ad_cname.bv_val );
  		*ptr++ = '=';
  		AC_MEMCPY( ptr, op->orc_ava->aa_value.bv_val, op->orc_ava->aa_value.bv_len );
  		bv.bv_val[bv.bv_len] = '\0';
  		attr_merge_one( e, ad_reqAssertion, &bv, NULL );
  		op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
  		break;
  
  	case LOG_EN_SEARCH:
  		attr_merge_one( e, ad_reqScope, &scopes[op->ors_scope], NULL );
  		attr_merge_one( e, ad_reqDerefAliases, &derefs[op->ors_deref], NULL );
  		attr_merge_one( e, ad_reqAttrsOnly, op->ors_attrsonly ?
  			(struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
  			NULL );
  		if ( !BER_BVISEMPTY( &op->ors_filterstr ))
  			attr_merge_normalize_one( e, ad_reqFilter, &op->ors_filterstr, op->o_tmpmemctx );
  		if ( op->ors_attrs ) {
  			int j;
  			/* count them */
  			for (i=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++)
  				;
  			vals = op->o_tmpalloc( (i+1) * sizeof(struct berval),
  				op->o_tmpmemctx );
  			for (i=0, j=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++) {
  				if (!BER_BVISEMPTY(&op->ors_attrs[i].an_name)) {
  					vals[j] = op->ors_attrs[i].an_name;
  					j++;
  				}
  			}
  			BER_BVZERO(&vals[j]);
  			attr_merge_normalize( e, ad_reqAttr, vals, op->o_tmpmemctx );
  			op->o_tmpfree( vals, op->o_tmpmemctx );
  		}
  		bv.bv_val = timebuf;
  		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", rs->sr_nentries );
  		if ( bv.bv_len < sizeof( timebuf ) ) {
  			attr_merge_one( e, ad_reqEntries, &bv, NULL );
  		} /* else? */
  
  		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->ors_tlimit );
  		if ( bv.bv_len < sizeof( timebuf ) ) {
  			attr_merge_one( e, ad_reqTimeLimit, &bv, NULL );
  		} /* else? */
  
  		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->ors_slimit );
  		if ( bv.bv_len < sizeof( timebuf ) ) {
  			attr_merge_one( e, ad_reqSizeLimit, &bv, NULL );
  		} /* else? */
  		break;
  
  	case LOG_EN_BIND:
  		bv.bv_val = timebuf;
  		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->o_protocol );
  		if ( bv.bv_len < sizeof( timebuf ) ) {
  			attr_merge_one( e, ad_reqVersion, &bv, NULL );
  		} /* else? */
  		if ( op->orb_method == LDAP_AUTH_SIMPLE ) {
  			attr_merge_normalize_one( e, ad_reqMethod, &simple, op->o_tmpmemctx );
  		} else {
  			bv.bv_len = STRLENOF("SASL()") + op->orb_mech.bv_len;
  			bv.bv_val = op->o_tmpalloc( bv.bv_len + 1, op->o_tmpmemctx );
  			ptr = lutil_strcopy( bv.bv_val, "SASL(" );
  			ptr = lutil_strcopy( ptr, op->orb_mech.bv_val );
  			*ptr++ = ')';
  			*ptr = '\0';
  			attr_merge_normalize_one( e, ad_reqMethod, &bv, op->o_tmpmemctx );
  			op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
  		}
  
  		break;
  
  	case LOG_EN_EXTENDED:
  		if ( op->ore_reqdata ) {
  			attr_merge_one( e, ad_reqData, op->ore_reqdata, NULL );
  		}
  		break;
  
  	case LOG_EN_UNKNOWN:
  		/* we don't know its parameters, don't add any */
  		break;
  	}
  
  	if ( e_uuid || !BER_BVISNULL( &uuid ) ) {
  		struct berval *pbv = NULL;
  
  		if ( !BER_BVISNULL( &uuid ) ) {
  			pbv = &uuid;
  
  		} else {
  			a = attr_find( e_uuid->e_attrs, slap_schema.si_ad_entryUUID );
  			if ( a ) {
  				pbv = &a->a_vals[0];
  			}
  		} 
  
  		if ( pbv ) {
  			attr_merge_normalize_one( e, ad_reqEntryUUID, pbv, op->o_tmpmemctx );
  		}
  
  		if ( !BER_BVISNULL( &uuid ) ) {
  			ber_memfree( uuid.bv_val );
  			BER_BVZERO( &uuid );
  		}
  	}
  
  	op2.o_hdr = op->o_hdr;
  	op2.o_tag = LDAP_REQ_ADD;
  	op2.o_bd = li->li_db;
  	op2.o_dn = li->li_db->be_rootdn;
  	op2.o_ndn = li->li_db->be_rootndn;
  	op2.o_req_dn = e->e_name;
  	op2.o_req_ndn = e->e_nname;
  	op2.ora_e = e;
  	op2.o_callback = &nullsc;
  	op2.o_csn = op->o_csn;
  	/* contextCSN updates may still reach here */
  	op2.o_dont_replicate = op->o_dont_replicate;
  
  	if (( lo->mask & LOG_OP_WRITES ) && !BER_BVISEMPTY( &op->o_csn )) {
  		struct berval maxcsn;
  		char cbuf[LDAP_PVT_CSNSTR_BUFSIZE];
  		int foundit;
  		cbuf[0] = '\0';
  		maxcsn.bv_val = cbuf;
  		maxcsn.bv_len = sizeof(cbuf);
  		/* If there was a commit CSN on the main DB,
  		 * we must propagate it to the log DB for its
  		 * own syncprov. Otherwise, don't generate one.
  		 */
  		slap_get_commit_csn( op, &maxcsn, &foundit );
  		if ( !BER_BVISEMPTY( &maxcsn ) ) {
  			slap_queue_csn( &op2, &op->o_csn );
  			do_graduate = 1;
  		} else {
  			attr_merge_normalize_one( e, slap_schema.si_ad_entryCSN,
  				&op->o_csn, op->o_tmpmemctx );
  		}
  	}
  
  	op2.o_bd->be_add( &op2, &rs2 );
  	if ( e == op2.ora_e ) entry_free( e );
  	e = NULL;
  	if ( do_graduate ) {
  		slap_graduate_commit_csn( &op2 );
  	}
  
  done:
  	if ( lo->mask & LOG_OP_WRITES )
  		ldap_pvt_thread_mutex_unlock( &li->li_log_mutex );
  	if ( old ) entry_free( old );
  	return SLAP_CB_CONTINUE;
  }
  
  /* Since Bind success is sent by the frontend, it won't normally enter
   * the overlay response callback. Add another callback to make sure it
   * gets here.
   */
  static int
  accesslog_bind_resp( Operation *op, SlapReply *rs )
  {
  	BackendDB *be, db;
  	int rc;
  	slap_callback *sc;
  
  	be = op->o_bd;
  	db = *be;
  	op->o_bd = &db;
  	db.bd_info = op->o_callback->sc_private;
  	rc = accesslog_response( op, rs );
  	op->o_bd = be;
  	sc = op->o_callback;
  	op->o_callback = sc->sc_next;
  	op->o_tmpfree( sc, op->o_tmpmemctx );
  	return rc;
  }
  
  static int
  accesslog_op_bind( Operation *op, SlapReply *rs )
  {
  	slap_callback *sc;
  
  	sc = op->o_tmpcalloc( 1, sizeof(slap_callback), op->o_tmpmemctx );
  	sc->sc_response = accesslog_bind_resp;
  	sc->sc_private = op->o_bd->bd_info;
  
  	if ( op->o_callback ) {
  		sc->sc_next = op->o_callback->sc_next;
  		op->o_callback->sc_next = sc;
  	} else {
  		op->o_callback = sc;
  	}
  	return SLAP_CB_CONTINUE;
  }
  
  static int
  accesslog_mod_cleanup( Operation *op, SlapReply *rs )
  {
  	slap_callback *sc = op->o_callback;
  	slap_overinst *on = sc->sc_private;
  	op->o_callback = sc->sc_next;
  
  	op->o_tmpfree( sc, op->o_tmpmemctx );
  
  	if ( on && rs->sr_err != LDAP_SUCCESS ) {
  		BackendInfo *bi = op->o_bd->bd_info;
  		op->o_bd->bd_info = (BackendInfo *)on;
  		accesslog_response( op, rs );
  		op->o_bd->bd_info = bi;
  	}
  	return 0;
  }
  
  static int
  accesslog_op_mod( Operation *op, SlapReply *rs )
  {
  	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
  	log_info *li = on->on_bi.bi_private;
  	slap_verbmasks *lo;
  	int logop;
  	int doit = 0;
  
  	/* These internal ops are not logged */
  	if ( op->o_dont_replicate ) {
  		/* Let contextCSN updates from syncrepl thru; the underlying
  		 * syncprov needs to see them. Skip others.
  		 */
  		if (( op->o_tag != LDAP_REQ_MODIFY ||
  			op->orm_modlist->sml_op != LDAP_MOD_REPLACE ||
  			op->orm_modlist->sml_desc != slap_schema.si_ad_contextCSN ) &&
  			op->orm_no_opattrs )
  		return SLAP_CB_CONTINUE;
  		/* give this a unique timestamp */
  		op->o_tincr++;
  		if ( op->o_tincr >= 1000000 ) {
  			op->o_tincr -= 1000000;
  			op->o_time++;
  		}
  	}
  
  	logop = accesslog_op2logop( op );
  	lo = logops+logop+EN_OFFSET;
  
  	if ( li->li_ops & lo->mask ) {
  		doit = 1;
  	} else {
  		log_base *lb;
  		for ( lb = li->li_bases; lb; lb = lb->lb_next )
  			if (( lb->lb_ops & lo->mask ) && dnIsSuffix( &op->o_req_ndn, &lb->lb_base )) {
  				doit = 1;
  				break;
  			}
  	}
  			
  	if ( doit ) {
  		slap_callback *cb = op->o_tmpcalloc( 1, sizeof( slap_callback ), op->o_tmpmemctx );
  		cb->sc_cleanup = accesslog_mod_cleanup;
  		cb->sc_private = on;
  		cb->sc_next = op->o_callback;
  		op->o_callback = cb;
  
  #ifdef RMUTEX_DEBUG
  		Debug( LDAP_DEBUG_SYNC,
  			"accesslog_op_mod: locking rmutex for tid %x\n",
  			op->o_tid, 0, 0 );
  #endif
  		ldap_pvt_thread_rmutex_lock( &li->li_op_rmutex, op->o_tid );
  #ifdef RMUTEX_DEBUG
  		Debug( LDAP_DEBUG_STATS,
  			"accesslog_op_mod: locked rmutex for tid %x\n",
  			op->o_tid, 0, 0 );
  #endif
  		if ( li->li_oldf && ( op->o_tag == LDAP_REQ_DELETE ||
  			op->o_tag == LDAP_REQ_MODIFY ||
  			( op->o_tag == LDAP_REQ_MODRDN && li->li_oldattrs )))
  		{
  			int rc;
  			Entry *e;
  
  			op->o_bd->bd_info = (BackendInfo *)on->on_info;
  			rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
  			if ( e ) {
  				if ( test_filter( op, e, li->li_oldf ) == LDAP_COMPARE_TRUE )
  					li->li_old = entry_dup( e );
  				be_entry_release_rw( op, e, 0 );
  			}
  			op->o_bd->bd_info = (BackendInfo *)on;
  
  		} else {
  			int rc;
  			Entry *e;
  
  			op->o_bd->bd_info = (BackendInfo *)on->on_info;
  			rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
  			if ( e ) {
  				Attribute *a = attr_find( e->e_attrs, slap_schema.si_ad_entryUUID );
  				if ( a ) {
  					ber_dupbv( &li->li_uuid, &a->a_vals[0] );
  				}
  				be_entry_release_rw( op, e, 0 );
  			}
  			op->o_bd->bd_info = (BackendInfo *)on;
  		}
  	}
  	return SLAP_CB_CONTINUE;
  }
  
  /* unbinds are broadcast to all backends; we only log it if this
   * backend was used for the original bind.
   */
  static int
  accesslog_unbind( Operation *op, SlapReply *rs )
  {
  	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
  	if ( op->o_conn->c_authz_backend == on->on_info->oi_origdb ) {
  		log_info *li = on->on_bi.bi_private;
  		Operation op2 = {0};
  		void *cids[SLAP_MAX_CIDS];
  		SlapReply rs2 = {REP_RESULT};
  		Entry *e;
  
  		if ( !( li->li_ops & LOG_OP_UNBIND )) {
  			log_base *lb;
  			int i = 0;
  
  			for ( lb = li->li_bases; lb; lb=lb->lb_next )
  				if (( lb->lb_ops & LOG_OP_UNBIND ) && dnIsSuffix( &op->o_ndn, &lb->lb_base )) {
  					i = 1;
  					break;
  				}
  			if ( !i )
  				return SLAP_CB_CONTINUE;
  		}
  
  		e = accesslog_entry( op, rs, LOG_EN_UNBIND, &op2 );
  		op2.o_hdr = op->o_hdr;
  		op2.o_tag = LDAP_REQ_ADD;
  		op2.o_bd = li->li_db;
  		op2.o_dn = li->li_db->be_rootdn;
  		op2.o_ndn = li->li_db->be_rootndn;
  		op2.o_req_dn = e->e_name;
  		op2.o_req_ndn = e->e_nname;
  		op2.ora_e = e;
  		op2.o_callback = &nullsc;
  		op2.o_controls = cids;
  		memset(cids, 0, sizeof( cids ));
  
  		op2.o_bd->be_add( &op2, &rs2 );
  		if ( e == op2.ora_e )
  			entry_free( e );
  	}
  	return SLAP_CB_CONTINUE;
  }
  
  static int
  accesslog_abandon( Operation *op, SlapReply *rs )
  {
  	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
  	log_info *li = on->on_bi.bi_private;
  	Operation op2 = {0};
  	void *cids[SLAP_MAX_CIDS];
  	SlapReply rs2 = {REP_RESULT};
  	Entry *e;
  	char buf[64];
  	struct berval bv;
  
  	if ( !op->o_time )
  		return SLAP_CB_CONTINUE;
  
  	if ( !( li->li_ops & LOG_OP_ABANDON )) {
  		log_base *lb;
  		int i = 0;
  
  		for ( lb = li->li_bases; lb; lb=lb->lb_next )
  			if (( lb->lb_ops & LOG_OP_ABANDON ) && dnIsSuffix( &op->o_ndn, &lb->lb_base )) {
  				i = 1;
  				break;
  			}
  		if ( !i )
  			return SLAP_CB_CONTINUE;
  	}
  
  	e = accesslog_entry( op, rs, LOG_EN_ABANDON, &op2 );
  	bv.bv_val = buf;
  	bv.bv_len = snprintf( buf, sizeof( buf ), "%d", op->orn_msgid );
  	if ( bv.bv_len < sizeof( buf ) ) {
  		attr_merge_one( e, ad_reqId, &bv, NULL );
  	} /* else? */
  
  	op2.o_hdr = op->o_hdr;
  	op2.o_tag = LDAP_REQ_ADD;
  	op2.o_bd = li->li_db;
  	op2.o_dn = li->li_db->be_rootdn;
  	op2.o_ndn = li->li_db->be_rootndn;
  	op2.o_req_dn = e->e_name;
  	op2.o_req_ndn = e->e_nname;
  	op2.ora_e = e;
  	op2.o_callback = &nullsc;
  	op2.o_controls = cids;
  	memset(cids, 0, sizeof( cids ));
  
  	op2.o_bd->be_add( &op2, &rs2 );
  	if ( e == op2.ora_e )
  		entry_free( e );
  
  	return SLAP_CB_CONTINUE;
  }
  
  static int
  accesslog_operational( Operation *op, SlapReply *rs )
  {
  	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
  	log_info *li = on->on_bi.bi_private;
  
  	if ( op->o_sync != SLAP_CONTROL_NONE )
  		return SLAP_CB_CONTINUE;
  
  	if ( rs->sr_entry != NULL
  		&& dn_match( &op->o_bd->be_nsuffix[0], &rs->sr_entry->e_nname ) )
  	{
  		Attribute	**ap;
  
  		for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next )
  			/* just count */ ;
  
  		if ( SLAP_OPATTRS( rs->sr_attr_flags ) ||
  				ad_inlist( ad_auditContext, rs->sr_attrs ) )
  		{
  			*ap = attr_alloc( ad_auditContext );
  			attr_valadd( *ap,
  				&li->li_db->be_suffix[0],
  				&li->li_db->be_nsuffix[0], 1 );
  		}
  	}
  
  	return SLAP_CB_CONTINUE;
  }
  
  static slap_overinst accesslog;
  
  static int
  accesslog_db_init(
  	BackendDB *be,
  	ConfigReply *cr
  )
  {
  	slap_overinst *on = (slap_overinst *)be->bd_info;
  	log_info *li = ch_calloc(1, sizeof(log_info));
  
  	on->on_bi.bi_private = li;
  	ldap_pvt_thread_rmutex_init( &li->li_op_rmutex );
  	ldap_pvt_thread_mutex_init( &li->li_log_mutex );
  	return 0;
  }
  
  static int
  accesslog_db_destroy(
  	BackendDB *be,
  	ConfigReply *cr
  )
  {
  	slap_overinst *on = (slap_overinst *)be->bd_info;
  	log_info *li = on->on_bi.bi_private;
  	log_attr *la;
  
  	if ( li->li_oldf )
  		filter_free( li->li_oldf );
  	for ( la=li->li_oldattrs; la; la=li->li_oldattrs ) {
  		li->li_oldattrs = la->next;
  		ch_free( la );
  	}
  	ldap_pvt_thread_mutex_destroy( &li->li_log_mutex );
  	ldap_pvt_thread_rmutex_destroy( &li->li_op_rmutex );
  	free( li );
  	return LDAP_SUCCESS;
  }
  
  /* Create the logdb's root entry if it's missing */
  static void *
  accesslog_db_root(
  	void *ctx,
  	void *arg )
  {
  	struct re_s *rtask = arg;
  	slap_overinst *on = rtask->arg;
  	log_info *li = on->on_bi.bi_private;
  
  	Connection conn = {0};
  	OperationBuffer opbuf;
  	Operation *op;
  
  	Entry *e;
  	int rc;
  
  	connection_fake_init( &conn, &opbuf, ctx );
  	op = &opbuf.ob_op;
  	op->o_bd = li->li_db;
  	op->o_dn = li->li_db->be_rootdn;
  	op->o_ndn = li->li_db->be_rootndn;
  	rc = be_entry_get_rw( op, li->li_db->be_nsuffix, NULL, NULL, 0, &e );
  
  	if ( e ) {
  		be_entry_release_rw( op, e, 0 );
  
  	} else {
  		SlapReply rs = {REP_RESULT};
  		struct berval rdn, nrdn, attr;
  		char *ptr;
  		AttributeDescription *ad = NULL;
  		const char *text = NULL;
  		Entry *e_ctx;
  		BackendDB db;
  
  		e = entry_alloc();
  		ber_dupbv( &e->e_name, li->li_db->be_suffix );
  		ber_dupbv( &e->e_nname, li->li_db->be_nsuffix );
  
  		attr_merge_one( e, slap_schema.si_ad_objectClass,
  			&log_container->soc_cname, NULL );
  
  		dnRdn( &e->e_name, &rdn );
  		dnRdn( &e->e_nname, &nrdn );
  		ptr = ber_bvchr( &rdn, '=' );
  
  		assert( ptr != NULL );
  
  		attr.bv_val = rdn.bv_val;
  		attr.bv_len = ptr - rdn.bv_val;
  
  		slap_bv2ad( &attr, &ad, &text );
  
  		rdn.bv_val = ptr+1;
  		rdn.bv_len -= attr.bv_len + 1;
  		ptr = ber_bvchr( &nrdn, '=' );
  		nrdn.bv_len -= ptr - nrdn.bv_val + 1;
  		nrdn.bv_val = ptr+1;
  		attr_merge_one( e, ad, &rdn, &nrdn );
  
  		/* Get contextCSN from main DB */
  		op->o_bd = on->on_info->oi_origdb;
  		rc = be_entry_get_rw( op, op->o_bd->be_nsuffix, NULL,
  			slap_schema.si_ad_contextCSN, 0, &e_ctx );
  
  		if ( e_ctx ) {
  			Attribute *a;
  
  			a = attr_find( e_ctx->e_attrs, slap_schema.si_ad_contextCSN );
  			if ( a ) {
  				/* FIXME: contextCSN could have multiple values!
  				 * should select the one with the server's SID */
  				attr_merge_one( e, slap_schema.si_ad_entryCSN,
  					&a->a_vals[0], &a->a_nvals[0] );
  				attr_merge( e, a->a_desc, a->a_vals, a->a_nvals );
  			}
  			be_entry_release_rw( op, e_ctx, 0 );
  		}
  		db = *li->li_db;
  		op->o_bd = &db;
  
  		op->ora_e = e;
  		op->o_req_dn = e->e_name;
  		op->o_req_ndn = e->e_nname;
  		op->o_callback = &nullsc;
  		SLAP_DBFLAGS( op->o_bd ) |= SLAP_DBFLAG_NOLASTMOD;
  		rc = op->o_bd->be_add( op, &rs );
  		if ( e == op->ora_e )
  			entry_free( e );
  	}
  	ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
  	ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
  	ldap_pvt_runqueue_remove( &slapd_rq, rtask );
  	ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
  
  	return NULL;
  }
  
  static int
  accesslog_db_open(
  	BackendDB *be,
  	ConfigReply *cr
  )
  {
  	slap_overinst *on = (slap_overinst *)be->bd_info;
  	log_info *li = on->on_bi.bi_private;
  
  
  	if ( !BER_BVISEMPTY( &li->li_db_suffix )) {
  		li->li_db = select_backend( &li->li_db_suffix, 0 );
  		ch_free( li->li_db_suffix.bv_val );
  		BER_BVZERO( &li->li_db_suffix );
  	}
  	if ( li->li_db == NULL ) {
  		Debug( LDAP_DEBUG_ANY,
  			"accesslog: \"logdb <suffix>\" missing or invalid.\n",
  			0, 0, 0 );
  		return 1;
  	}
  
  	if ( slapMode & SLAP_TOOL_MODE )
  		return 0;
  
  	if ( BER_BVISEMPTY( &li->li_db->be_rootndn )) {
  		ber_dupbv( &li->li_db->be_rootdn, li->li_db->be_suffix );
  		ber_dupbv( &li->li_db->be_rootndn, li->li_db->be_nsuffix );
  	}
  
  	ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
  	ldap_pvt_runqueue_insert( &slapd_rq, 3600, accesslog_db_root, on,
  		"accesslog_db_root", li->li_db->be_suffix[0].bv_val );
  	ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
  
  	return 0;
  }
  
  int accesslog_initialize()
  {
  	int i, rc;
  
  	accesslog.on_bi.bi_type = "accesslog";
  	accesslog.on_bi.bi_db_init = accesslog_db_init;
  	accesslog.on_bi.bi_db_destroy = accesslog_db_destroy;
  	accesslog.on_bi.bi_db_open = accesslog_db_open;
  
  	accesslog.on_bi.bi_op_add = accesslog_op_mod;
  	accesslog.on_bi.bi_op_bind = accesslog_op_bind;
  	accesslog.on_bi.bi_op_delete = accesslog_op_mod;
  	accesslog.on_bi.bi_op_modify = accesslog_op_mod;
  	accesslog.on_bi.bi_op_modrdn = accesslog_op_mod;
  	accesslog.on_bi.bi_op_unbind = accesslog_unbind;
  	accesslog.on_bi.bi_op_abandon = accesslog_abandon;
  	accesslog.on_bi.bi_operational = accesslog_operational;
  	accesslog.on_response = accesslog_response;
  
  	accesslog.on_bi.bi_cf_ocs = log_cfocs;
  
  	nullsc.sc_response = slap_null_cb;
  
  	rc = config_register_schema( log_cfats, log_cfocs );
  	if ( rc ) return rc;
  
  	/* log schema integration */
  	for ( i=0; lsyntaxes[i].oid; i++ ) {
  		int code;
  
  		code = register_syntax( &lsyntaxes[ i ].syn );
  		if ( code != 0 ) {
  			Debug( LDAP_DEBUG_ANY,
  				"accesslog_init: register_syntax failed\n",
  				0, 0, 0 );
  			return code;
  		}
  
  		if ( lsyntaxes[i].mrs != NULL ) {
  			code = mr_make_syntax_compat_with_mrs(
  				lsyntaxes[i].oid, lsyntaxes[i].mrs );
  			if ( code < 0 ) {
  				Debug( LDAP_DEBUG_ANY,
  					"accesslog_init: "
  					"mr_make_syntax_compat_with_mrs "
  					"failed\n",
  					0, 0, 0 );
  				return code;
  			}
  		}
  	}
  
  	for ( i=0; lattrs[i].at; i++ ) {
  		int code;
  
  		code = register_at( lattrs[i].at, lattrs[i].ad, 0 );
  		if ( code ) {
  			Debug( LDAP_DEBUG_ANY,
  				"accesslog_init: register_at failed\n",
  				0, 0, 0 );
  			return -1;
  		}
  	}
  
  	for ( i=0; locs[i].ot; i++ ) {
  		int code;
  
  		code = register_oc( locs[i].ot, locs[i].oc, 0 );
  		if ( code ) {
  			Debug( LDAP_DEBUG_ANY,
  				"accesslog_init: register_oc failed\n",
  				0, 0, 0 );
  			return -1;
  		}
  	}
  
  	return overlay_register(&accesslog);
  }
  
  #if SLAPD_OVER_ACCESSLOG == SLAPD_MOD_DYNAMIC
  int
  init_module( int argc, char *argv[] )
  {
  	return accesslog_initialize();
  }
  #endif
  
  #endif /* SLAPD_OVER_ACCESSLOG */
  