Adding upstream version 2.4.47+dfsg.upstream/2.4.47+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1571 insertions, 0 deletions

diff --git a/servers/slapd/overlays/retcode.c b/servers/slapd/overlays/retcode.c
new file mode 100644
index 0000000..a626a80
--- /dev/null
+++ b/servers/slapd/overlays/retcode.c
@@ -0,0 +1,1571 @@
+/* retcode.c - customizable response for client testing purposes */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2005-2018 The OpenLDAP Foundation.
+ * Portions Copyright 2005 Pierangelo Masarati <ando@sys-net.it>
+ * 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 Pierangelo Masarati for inclusion
+ * in OpenLDAP Software.
+ */
+
+#include "portable.h"
+
+#ifdef SLAPD_OVER_RETCODE
+
+#include <stdio.h>
+
+#include <ac/unistd.h>
+#include <ac/string.h>
+#include <ac/ctype.h>
+#include <ac/socket.h>
+
+#include "slap.h"
+#include "config.h"
+#include "lutil.h"
+#include "ldif.h"
+
+static slap_overinst		retcode;
+
+static AttributeDescription	*ad_errCode;
+static AttributeDescription	*ad_errText;
+static AttributeDescription	*ad_errOp;
+static AttributeDescription	*ad_errSleepTime;
+static AttributeDescription	*ad_errMatchedDN;
+static AttributeDescription	*ad_errUnsolicitedOID;
+static AttributeDescription	*ad_errUnsolicitedData;
+static AttributeDescription	*ad_errDisconnect;
+
+static ObjectClass		*oc_errAbsObject;
+static ObjectClass		*oc_errObject;
+static ObjectClass		*oc_errAuxObject;
+
+typedef enum retcode_op_e {
+	SN_DG_OP_NONE		= 0x0000,
+	SN_DG_OP_ADD		= 0x0001,
+	SN_DG_OP_BIND		= 0x0002,
+	SN_DG_OP_COMPARE	= 0x0004,
+	SN_DG_OP_DELETE		= 0x0008,
+	SN_DG_OP_MODIFY		= 0x0010,
+	SN_DG_OP_RENAME		= 0x0020,
+	SN_DG_OP_SEARCH		= 0x0040,
+	SN_DG_EXTENDED		= 0x0080,
+	SN_DG_OP_AUTH		= SN_DG_OP_BIND,
+	SN_DG_OP_READ		= (SN_DG_OP_COMPARE|SN_DG_OP_SEARCH),
+	SN_DG_OP_WRITE		= (SN_DG_OP_ADD|SN_DG_OP_DELETE|SN_DG_OP_MODIFY|SN_DG_OP_RENAME),
+	SN_DG_OP_ALL		= (SN_DG_OP_AUTH|SN_DG_OP_READ|SN_DG_OP_WRITE|SN_DG_EXTENDED)
+} retcode_op_e;
+
+typedef struct retcode_item_t {
+	struct berval		rdi_line;
+	struct berval		rdi_dn;
+	struct berval		rdi_ndn;
+	struct berval		rdi_text;
+	struct berval		rdi_matched;
+	int			rdi_err;
+	BerVarray		rdi_ref;
+	int			rdi_sleeptime;
+	Entry			rdi_e;
+	slap_mask_t		rdi_mask;
+	struct berval		rdi_unsolicited_oid;
+	struct berval		rdi_unsolicited_data;
+
+	unsigned		rdi_flags;
+#define	RDI_PRE_DISCONNECT	(0x1U)
+#define	RDI_POST_DISCONNECT	(0x2U)
+
+	struct retcode_item_t	*rdi_next;
+} retcode_item_t;
+
+typedef struct retcode_t {
+	struct berval		rd_pdn;
+	struct berval		rd_npdn;
+
+	int			rd_sleep;
+
+	retcode_item_t		*rd_item;
+
+	int			rd_indir;
+#define	RETCODE_FINDIR		0x01
+#define	RETCODE_INDIR( rd )	( (rd)->rd_indir )
+} retcode_t;
+
+static int
+retcode_entry_response( Operation *op, SlapReply *rs, BackendInfo *bi, Entry *e );
+
+static unsigned int
+retcode_sleep( int s )
+{
+	unsigned int r = 0;
+
+	/* sleep as required */
+	if ( s < 0 ) {
+#if 0	/* use high-order bits for better randomness (Numerical Recipes in "C") */
+		r = rand() % (-s);
+#endif
+		r = ((double)(-s))*rand()/(RAND_MAX + 1.0);
+	} else if ( s > 0 ) {
+		r = (unsigned int)s;
+	}
+	if ( r ) {
+		sleep( r );
+	}
+
+	return r;
+}
+
+static int
+retcode_cleanup_cb( Operation *op, SlapReply *rs )
+{
+	rs->sr_matched = NULL;
+	rs->sr_text = NULL;
+
+	if ( rs->sr_ref != NULL ) {
+		ber_bvarray_free( rs->sr_ref );
+		rs->sr_ref = NULL;
+	}
+
+	ch_free( op->o_callback );
+	op->o_callback = NULL;
+
+	return SLAP_CB_CONTINUE;
+}
+
+static int
+retcode_send_onelevel( Operation *op, SlapReply *rs )
+{
+	slap_overinst	*on = (slap_overinst *)op->o_bd->bd_info;
+	retcode_t	*rd = (retcode_t *)on->on_bi.bi_private;
+
+	retcode_item_t	*rdi;
+	
+	for ( rdi = rd->rd_item; rdi != NULL; rdi = rdi->rdi_next ) {
+		if ( op->o_abandon ) {
+			return rs->sr_err = SLAPD_ABANDON;
+		}
+
+		rs->sr_err = test_filter( op, &rdi->rdi_e, op->ors_filter );
+		if ( rs->sr_err == LDAP_COMPARE_TRUE ) {
+			/* safe default */
+			rs->sr_attrs = op->ors_attrs;
+			rs->sr_operational_attrs = NULL;
+			rs->sr_ctrls = NULL;
+			rs->sr_flags = 0;
+			rs->sr_err = LDAP_SUCCESS;
+			rs->sr_entry = &rdi->rdi_e;
+
+			rs->sr_err = send_search_entry( op, rs );
+			rs->sr_flags = 0;
+			rs->sr_entry = NULL;
+			rs->sr_attrs = NULL;
+
+			switch ( rs->sr_err ) {
+			case LDAP_UNAVAILABLE:	/* connection closed */
+				rs->sr_err = LDAP_OTHER;
+				/* fallthru */
+			case LDAP_SIZELIMIT_EXCEEDED:
+				goto done;
+			}
+		}
+		rs->sr_err = LDAP_SUCCESS;
+	}
+
+done:;
+
+	send_ldap_result( op, rs );
+
+	return rs->sr_err;
+}
+
+static int
+retcode_op_add( Operation *op, SlapReply *rs )
+{
+	return retcode_entry_response( op, rs, NULL, op->ora_e );
+}
+
+typedef struct retcode_cb_t {
+	BackendInfo	*rdc_info;
+	unsigned	rdc_flags;
+	ber_tag_t	rdc_tag;
+	AttributeName	*rdc_attrs;
+} retcode_cb_t;
+
+static int
+retcode_cb_response( Operation *op, SlapReply *rs )
+{
+	retcode_cb_t	*rdc = (retcode_cb_t *)op->o_callback->sc_private;
+
+	op->o_tag = rdc->rdc_tag;
+	if ( rs->sr_type == REP_SEARCH ) {
+		ber_tag_t	o_tag = op->o_tag;
+		int		rc;
+
+		if ( op->o_tag == LDAP_REQ_SEARCH ) {
+			rs->sr_attrs = rdc->rdc_attrs;
+		}
+		rc = retcode_entry_response( op, rs, rdc->rdc_info, rs->sr_entry );
+		op->o_tag = o_tag;
+
+		return rc;
+	}
+
+	switch ( rs->sr_err ) {
+	case LDAP_SUCCESS:
+	case LDAP_NO_SUCH_OBJECT:
+		/* in case of noSuchObject, stop the internal search
+		 * for in-directory error stuff */
+		if ( !op->o_abandon ) {
+			rdc->rdc_flags = SLAP_CB_CONTINUE;
+		}
+		return 0;
+	}
+
+	return SLAP_CB_CONTINUE;
+}
+
+static int
+retcode_op_internal( Operation *op, SlapReply *rs )
+{
+	slap_overinst	*on = (slap_overinst *)op->o_bd->bd_info;
+
+	Operation	op2 = *op;
+	BackendDB	db = *op->o_bd;
+	slap_callback	sc = { 0 };
+	retcode_cb_t	rdc;
+
+	int		rc;
+
+	op2.o_tag = LDAP_REQ_SEARCH;
+	op2.ors_scope = LDAP_SCOPE_BASE;
+	op2.ors_deref = LDAP_DEREF_NEVER;
+	op2.ors_tlimit = SLAP_NO_LIMIT;
+	op2.ors_slimit = SLAP_NO_LIMIT;
+	op2.ors_limit = NULL;
+	op2.ors_attrsonly = 0;
+	op2.ors_attrs = slap_anlist_all_attributes;
+
+	ber_str2bv_x( "(objectClass=errAbsObject)",
+		STRLENOF( "(objectClass=errAbsObject)" ),
+		1, &op2.ors_filterstr, op2.o_tmpmemctx );
+	op2.ors_filter = str2filter_x( &op2, op2.ors_filterstr.bv_val );
+
+	/* errAbsObject is defined by this overlay! */
+	assert( op2.ors_filter != NULL );
+
+	db.bd_info = on->on_info->oi_orig;
+	op2.o_bd = &db;
+
+	rdc.rdc_info = on->on_info->oi_orig;
+	rdc.rdc_flags = RETCODE_FINDIR;
+	if ( op->o_tag == LDAP_REQ_SEARCH ) {
+		rdc.rdc_attrs = op->ors_attrs;
+	}
+	rdc.rdc_tag = op->o_tag;
+	sc.sc_response = retcode_cb_response;
+	sc.sc_private = &rdc;
+	op2.o_callback = &sc;
+
+	rc = op2.o_bd->be_search( &op2, rs );
+	op->o_abandon = op2.o_abandon;
+
+	filter_free_x( &op2, op2.ors_filter, 1 );
+	ber_memfree_x( op2.ors_filterstr.bv_val, op2.o_tmpmemctx );
+
+	if ( rdc.rdc_flags == SLAP_CB_CONTINUE ) {
+		return SLAP_CB_CONTINUE;
+	}
+
+	return rc;
+}
+
+static int
+retcode_op_func( Operation *op, SlapReply *rs )
+{
+	slap_overinst	*on = (slap_overinst *)op->o_bd->bd_info;
+	retcode_t	*rd = (retcode_t *)on->on_bi.bi_private;
+
+	retcode_item_t	*rdi;
+	struct berval		nrdn, npdn;
+
+	slap_callback		*cb = NULL;
+
+	/* sleep as required */
+	retcode_sleep( rd->rd_sleep );
+
+	if ( !dnIsSuffix( &op->o_req_ndn, &rd->rd_npdn ) ) {
+		if ( RETCODE_INDIR( rd ) ) {
+			switch ( op->o_tag ) {
+			case LDAP_REQ_ADD:
+				return retcode_op_add( op, rs );
+
+			case LDAP_REQ_BIND:
+				/* skip if rootdn */
+				/* FIXME: better give the db a chance? */
+				if ( be_isroot_pw( op ) ) {
+					return LDAP_SUCCESS;
+				}
+				return retcode_op_internal( op, rs );
+
+			case LDAP_REQ_SEARCH:
+				if ( op->ors_scope == LDAP_SCOPE_BASE ) {
+					rs->sr_err = retcode_op_internal( op, rs );
+					switch ( rs->sr_err ) {
+					case SLAP_CB_CONTINUE:
+						if ( rs->sr_nentries == 0 ) {
+							break;
+						}
+						rs->sr_err = LDAP_SUCCESS;
+						/* fallthru */
+
+					default:
+						send_ldap_result( op, rs );
+						break;
+					}
+					return rs->sr_err;
+				}
+				break;
+
+			case LDAP_REQ_MODIFY:
+			case LDAP_REQ_DELETE:
+			case LDAP_REQ_MODRDN:
+			case LDAP_REQ_COMPARE:
+				return retcode_op_internal( op, rs );
+			}
+		}
+
+		return SLAP_CB_CONTINUE;
+	}
+
+	if ( op->o_tag == LDAP_REQ_SEARCH
+			&& op->ors_scope != LDAP_SCOPE_BASE
+			&& op->o_req_ndn.bv_len == rd->rd_npdn.bv_len )
+	{
+		return retcode_send_onelevel( op, rs );
+	}
+
+	dnParent( &op->o_req_ndn, &npdn );
+	if ( npdn.bv_len != rd->rd_npdn.bv_len ) {
+		rs->sr_err = LDAP_NO_SUCH_OBJECT;
+		rs->sr_matched = rd->rd_pdn.bv_val;
+		send_ldap_result( op, rs );
+		rs->sr_matched = NULL;
+		return rs->sr_err;
+	}
+
+	dnRdn( &op->o_req_ndn, &nrdn );
+
+	for ( rdi = rd->rd_item; rdi != NULL; rdi = rdi->rdi_next ) {
+		struct berval	rdi_nrdn;
+
+		dnRdn( &rdi->rdi_ndn, &rdi_nrdn );
+		if ( dn_match( &nrdn, &rdi_nrdn ) ) {
+			break;
+		}
+	}
+
+	if ( rdi != NULL && rdi->rdi_mask != SN_DG_OP_ALL ) {
+		retcode_op_e	o_tag = SN_DG_OP_NONE;
+
+		switch ( op->o_tag ) {
+		case LDAP_REQ_ADD:
+			o_tag = SN_DG_OP_ADD;
+			break;
+
+		case LDAP_REQ_BIND:
+			o_tag = SN_DG_OP_BIND;
+			break;
+
+		case LDAP_REQ_COMPARE:
+			o_tag = SN_DG_OP_COMPARE;
+			break;
+
+		case LDAP_REQ_DELETE:
+			o_tag = SN_DG_OP_DELETE;
+			break;
+
+		case LDAP_REQ_MODIFY:
+			o_tag = SN_DG_OP_MODIFY;
+			break;
+
+		case LDAP_REQ_MODRDN:
+			o_tag = SN_DG_OP_RENAME;
+			break;
+
+		case LDAP_REQ_SEARCH:
+			o_tag = SN_DG_OP_SEARCH;
+			break;
+
+		case LDAP_REQ_EXTENDED:
+			o_tag = SN_DG_EXTENDED;
+			break;
+
+		default:
+			/* Should not happen */
+			break;
+		}
+
+		if ( !( o_tag & rdi->rdi_mask ) ) {
+			return SLAP_CB_CONTINUE;
+		}
+	}
+
+	if ( rdi == NULL ) {
+		rs->sr_matched = rd->rd_pdn.bv_val;
+		rs->sr_err = LDAP_NO_SUCH_OBJECT;
+		rs->sr_text = "retcode not found";
+
+	} else {
+		if ( rdi->rdi_flags & RDI_PRE_DISCONNECT ) {
+			return rs->sr_err = SLAPD_DISCONNECT;
+		}
+
+		rs->sr_err = rdi->rdi_err;
+		rs->sr_text = rdi->rdi_text.bv_val;
+		rs->sr_matched = rdi->rdi_matched.bv_val;
+
+		/* FIXME: we only honor the rdi_ref field in case rdi_err
+		 * is LDAP_REFERRAL otherwise send_ldap_result() bails out */
+		if ( rs->sr_err == LDAP_REFERRAL ) {
+			BerVarray	ref;
+
+			if ( rdi->rdi_ref != NULL ) {
+				ref = rdi->rdi_ref;
+			} else {
+				ref = default_referral;
+			}
+
+			if ( ref != NULL ) {
+				rs->sr_ref = referral_rewrite( ref,
+					NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
+
+			} else {
+				rs->sr_err = LDAP_OTHER;
+				rs->sr_text = "bad referral object";
+			}
+		}
+
+		retcode_sleep( rdi->rdi_sleeptime );
+	}
+
+	switch ( op->o_tag ) {
+	case LDAP_REQ_EXTENDED:
+		if ( rdi == NULL ) {
+			break;
+		}
+		cb = ( slap_callback * )ch_malloc( sizeof( slap_callback ) );
+		memset( cb, 0, sizeof( slap_callback ) );
+		cb->sc_cleanup = retcode_cleanup_cb;
+		op->o_callback = cb;
+		break;
+
+	default:
+		if ( rdi && !BER_BVISNULL( &rdi->rdi_unsolicited_oid ) ) {
+			ber_int_t	msgid = op->o_msgid;
+
+			/* RFC 4511 unsolicited response */
+
+			op->o_msgid = 0;
+			if ( strcmp( rdi->rdi_unsolicited_oid.bv_val, "0" ) == 0 ) {
+				send_ldap_result( op, rs );
+
+			} else {
+				ber_tag_t	tag = op->o_tag;
+
+				op->o_tag = LDAP_REQ_EXTENDED;
+				rs->sr_rspoid = rdi->rdi_unsolicited_oid.bv_val;
+				if ( !BER_BVISNULL( &rdi->rdi_unsolicited_data ) ) {
+					rs->sr_rspdata = &rdi->rdi_unsolicited_data;
+				}
+				send_ldap_extended( op, rs );
+				rs->sr_rspoid = NULL;
+				rs->sr_rspdata = NULL;
+				op->o_tag = tag;
+
+			}
+			op->o_msgid = msgid;
+
+		} else {
+			send_ldap_result( op, rs );
+		}
+
+		if ( rs->sr_ref != NULL ) {
+			ber_bvarray_free( rs->sr_ref );
+			rs->sr_ref = NULL;
+		}
+		rs->sr_matched = NULL;
+		rs->sr_text = NULL;
+
+		if ( rdi && rdi->rdi_flags & RDI_POST_DISCONNECT ) {
+			return rs->sr_err = SLAPD_DISCONNECT;
+		}
+		break;
+	}
+
+	return rs->sr_err;
+}
+
+static int
+retcode_op2str( ber_tag_t op, struct berval *bv )
+{
+	switch ( op ) {
+	case LDAP_REQ_BIND:
+		BER_BVSTR( bv, "bind" );
+		return 0;
+	case LDAP_REQ_ADD:
+		BER_BVSTR( bv, "add" );
+		return 0;
+	case LDAP_REQ_DELETE:
+		BER_BVSTR( bv, "delete" );
+		return 0;
+	case LDAP_REQ_MODRDN:
+		BER_BVSTR( bv, "modrdn" );
+		return 0;
+	case LDAP_REQ_MODIFY:
+		BER_BVSTR( bv, "modify" );
+		return 0;
+	case LDAP_REQ_COMPARE:
+		BER_BVSTR( bv, "compare" );
+		return 0;
+	case LDAP_REQ_SEARCH:
+		BER_BVSTR( bv, "search" );
+		return 0;
+	case LDAP_REQ_EXTENDED:
+		BER_BVSTR( bv, "extended" );
+		return 0;
+	}
+	return -1;
+}
+
+static int
+retcode_entry_response( Operation *op, SlapReply *rs, BackendInfo *bi, Entry *e )
+{
+	Attribute	*a;
+	int		err;
+	char		*next;
+	int		disconnect = 0;
+
+	if ( get_manageDSAit( op ) ) {
+		return SLAP_CB_CONTINUE;
+	}
+
+	if ( !is_entry_objectclass_or_sub( e, oc_errAbsObject ) ) {
+		return SLAP_CB_CONTINUE;
+	}
+
+	/* operation */
+	a = attr_find( e->e_attrs, ad_errOp );
+	if ( a != NULL ) {
+		int		i,
+				gotit = 0;
+		struct berval	bv = BER_BVNULL;
+
+		(void)retcode_op2str( op->o_tag, &bv );
+
+		if ( BER_BVISNULL( &bv ) ) {
+			return SLAP_CB_CONTINUE;
+		}
+
+		for ( i = 0; !BER_BVISNULL( &a->a_nvals[ i ] ); i++ ) {
+			if ( bvmatch( &a->a_nvals[ i ], &bv ) ) {
+				gotit = 1;
+				break;
+			}
+		}
+
+		if ( !gotit ) {
+			return SLAP_CB_CONTINUE;
+		}
+	}
+
+	/* disconnect */
+	a = attr_find( e->e_attrs, ad_errDisconnect );
+	if ( a != NULL ) {
+		if ( bvmatch( &a->a_nvals[ 0 ], &slap_true_bv ) ) {
+			return rs->sr_err = SLAPD_DISCONNECT;
+		}
+		disconnect = 1;
+	}
+
+	/* error code */
+	a = attr_find( e->e_attrs, ad_errCode );
+	if ( a == NULL ) {
+		return SLAP_CB_CONTINUE;
+	}
+	err = strtol( a->a_nvals[ 0 ].bv_val, &next, 0 );
+	if ( next == a->a_nvals[ 0 ].bv_val || next[ 0 ] != '\0' ) {
+		return SLAP_CB_CONTINUE;
+	}
+	rs->sr_err = err;
+
+	/* sleep time */
+	a = attr_find( e->e_attrs, ad_errSleepTime );
+	if ( a != NULL && a->a_nvals[ 0 ].bv_val[ 0 ] != '-' ) {
+		int	sleepTime;
+
+		if ( lutil_atoi( &sleepTime, a->a_nvals[ 0 ].bv_val ) == 0 ) {
+			retcode_sleep( sleepTime );
+		}
+	}
+
+	if ( rs->sr_err != LDAP_SUCCESS && !LDAP_API_ERROR( rs->sr_err )) {
+		BackendDB	db = *op->o_bd,
+				*o_bd = op->o_bd;
+		void		*o_callback = op->o_callback;
+
+		/* message text */
+		a = attr_find( e->e_attrs, ad_errText );
+		if ( a != NULL ) {
+			rs->sr_text = a->a_vals[ 0 ].bv_val;
+		}
+
+		/* matched DN */
+		a = attr_find( e->e_attrs, ad_errMatchedDN );
+		if ( a != NULL ) {
+			rs->sr_matched = a->a_vals[ 0 ].bv_val;
+		}
+
+		if ( bi == NULL ) {
+			slap_overinst	*on = (slap_overinst *)op->o_bd->bd_info;
+
+			bi = on->on_info->oi_orig;
+		}
+
+		db.bd_info = bi;
+		op->o_bd = &db;
+		op->o_callback = NULL;
+
+		/* referral */
+		if ( rs->sr_err == LDAP_REFERRAL ) {
+			BerVarray	refs = default_referral;
+
+			a = attr_find( e->e_attrs, slap_schema.si_ad_ref );
+			if ( a != NULL ) {
+				refs = a->a_vals;
+			}
+			rs->sr_ref = referral_rewrite( refs,
+				NULL, &op->o_req_dn, op->oq_search.rs_scope );
+	
+			send_search_reference( op, rs );
+			ber_bvarray_free( rs->sr_ref );
+			rs->sr_ref = NULL;
+
+		} else {
+			a = attr_find( e->e_attrs, ad_errUnsolicitedOID );
+			if ( a != NULL ) {
+				struct berval	oid = BER_BVNULL,
+						data = BER_BVNULL;
+				ber_int_t	msgid = op->o_msgid;
+
+				/* RFC 4511 unsolicited response */
+
+				op->o_msgid = 0;
+
+				oid = a->a_nvals[ 0 ];
+
+				a = attr_find( e->e_attrs, ad_errUnsolicitedData );
+				if ( a != NULL ) {
+					data = a->a_nvals[ 0 ];
+				}
+
+				if ( strcmp( oid.bv_val, "0" ) == 0 ) {
+					send_ldap_result( op, rs );
+
+				} else {
+					ber_tag_t	tag = op->o_tag;
+
+					op->o_tag = LDAP_REQ_EXTENDED;
+					rs->sr_rspoid = oid.bv_val;
+					if ( !BER_BVISNULL( &data ) ) {
+						rs->sr_rspdata = &data;
+					}
+					send_ldap_extended( op, rs );
+					rs->sr_rspoid = NULL;
+					rs->sr_rspdata = NULL;
+					op->o_tag = tag;
+				}
+				op->o_msgid = msgid;
+
+			} else {
+				send_ldap_result( op, rs );
+			}
+		}
+
+		rs->sr_text = NULL;
+		rs->sr_matched = NULL;
+		op->o_bd = o_bd;
+		op->o_callback = o_callback;
+	}
+
+	if ( rs->sr_err != LDAP_SUCCESS ) {
+		if ( disconnect ) {
+			return rs->sr_err = SLAPD_DISCONNECT;
+		}
+	
+		op->o_abandon = 1;
+		return rs->sr_err;
+	}
+
+	return SLAP_CB_CONTINUE;
+}
+
+static int
+retcode_response( Operation *op, SlapReply *rs )
+{
+	slap_overinst	*on = (slap_overinst *)op->o_bd->bd_info;
+	retcode_t	*rd = (retcode_t *)on->on_bi.bi_private;
+
+	if ( rs->sr_type != REP_SEARCH || !RETCODE_INDIR( rd ) ) {
+		return SLAP_CB_CONTINUE;
+	}
+
+	return retcode_entry_response( op, rs, NULL, rs->sr_entry );
+}
+
+static int
+retcode_db_init( BackendDB *be, ConfigReply *cr )
+{
+	slap_overinst	*on = (slap_overinst *)be->bd_info;
+	retcode_t	*rd;
+
+	srand( getpid() );
+
+	rd = (retcode_t *)ch_malloc( sizeof( retcode_t ) );
+	memset( rd, 0, sizeof( retcode_t ) );
+
+	on->on_bi.bi_private = (void *)rd;
+
+	return 0;
+}
+
+static void
+retcode_item_destroy( retcode_item_t *rdi )
+{
+	ber_memfree( rdi->rdi_line.bv_val );
+
+	ber_memfree( rdi->rdi_dn.bv_val );
+	ber_memfree( rdi->rdi_ndn.bv_val );
+
+	if ( !BER_BVISNULL( &rdi->rdi_text ) ) {
+		ber_memfree( rdi->rdi_text.bv_val );
+	}
+
+	if ( !BER_BVISNULL( &rdi->rdi_matched ) ) {
+		ber_memfree( rdi->rdi_matched.bv_val );
+	}
+
+	if ( rdi->rdi_ref ) {
+		ber_bvarray_free( rdi->rdi_ref );
+	}
+
+	BER_BVZERO( &rdi->rdi_e.e_name );
+	BER_BVZERO( &rdi->rdi_e.e_nname );
+
+	entry_clean( &rdi->rdi_e );
+
+	if ( !BER_BVISNULL( &rdi->rdi_unsolicited_oid ) ) {
+		ber_memfree( rdi->rdi_unsolicited_oid.bv_val );
+		if ( !BER_BVISNULL( &rdi->rdi_unsolicited_data ) )
+			ber_memfree( rdi->rdi_unsolicited_data.bv_val );
+	}
+
+	ch_free( rdi );
+}
+
+enum {
+	RC_PARENT = 1,
+	RC_ITEM
+};
+
+static ConfigDriver rc_cf_gen;
+
+static ConfigTable rccfg[] = {
+	{ "retcode-parent", "dn",
+		2, 2, 0, ARG_MAGIC|ARG_DN|RC_PARENT, rc_cf_gen,
+		"( OLcfgOvAt:20.1 NAME 'olcRetcodeParent' "
+			"DESC '' "
+			"SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
+	{ "retcode-item", "rdn> <retcode> <...",
+		3, 0, 0, ARG_MAGIC|RC_ITEM, rc_cf_gen,
+		"( OLcfgOvAt:20.2 NAME 'olcRetcodeItem' "
+			"DESC '' "
+	  		"EQUALITY caseIgnoreMatch "
+			"SYNTAX OMsDirectoryString "
+			"X-ORDERED 'VALUES' )", NULL, NULL },
+	{ "retcode-indir", "on|off",
+		1, 2, 0, ARG_OFFSET|ARG_ON_OFF,
+			(void *)offsetof(retcode_t, rd_indir),
+		"( OLcfgOvAt:20.3 NAME 'olcRetcodeInDir' "
+			"DESC '' "
+			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+
+	{ "retcode-sleep", "sleeptime",
+		2, 2, 0, ARG_OFFSET|ARG_INT,
+			(void *)offsetof(retcode_t, rd_sleep),
+		"( OLcfgOvAt:20.4 NAME 'olcRetcodeSleep' "
+			"DESC '' "
+			"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
+
+	{ NULL, NULL, 0, 0, 0, ARG_IGNORED }
+};
+
+static ConfigOCs rcocs[] = {
+	{ "( OLcfgOvOc:20.1 "
+		"NAME 'olcRetcodeConfig' "
+		"DESC 'Retcode configuration' "
+		"SUP olcOverlayConfig "
+		"MAY ( olcRetcodeParent "
+			"$ olcRetcodeItem "
+			"$ olcRetcodeInDir "
+			"$ olcRetcodeSleep "
+		") )",
+		Cft_Overlay, rccfg, NULL, NULL },
+	{ NULL, 0, NULL }
+};
+
+static int
+rc_cf_gen( ConfigArgs *c )
+{
+	slap_overinst	*on = (slap_overinst *)c->bi;
+	retcode_t	*rd = (retcode_t *)on->on_bi.bi_private;
+	int		rc = ARG_BAD_CONF;
+
+	if ( c->op == SLAP_CONFIG_EMIT ) {
+		switch( c->type ) {
+		case RC_PARENT:
+			if ( !BER_BVISEMPTY( &rd->rd_pdn )) {
+				rc = value_add_one( &c->rvalue_vals,
+						    &rd->rd_pdn );
+				if ( rc == 0 ) {
+					rc = value_add_one( &c->rvalue_nvals,
+							    &rd->rd_npdn );
+				}
+				return rc;
+			}
+			rc = 0;
+			break;
+
+		case RC_ITEM: {
+			retcode_item_t *rdi;
+			int i;
+
+			for ( rdi = rd->rd_item, i = 0; rdi; rdi = rdi->rdi_next, i++ ) {
+				char buf[4096];
+				struct berval bv;
+				char *ptr;
+
+				bv.bv_len = snprintf( buf, sizeof( buf ), SLAP_X_ORDERED_FMT, i );
+				bv.bv_len += rdi->rdi_line.bv_len;
+				ptr = bv.bv_val = ch_malloc( bv.bv_len + 1 );
+				ptr = lutil_strcopy( ptr, buf );
+				ptr = lutil_strncopy( ptr, rdi->rdi_line.bv_val, rdi->rdi_line.bv_len );
+				ber_bvarray_add( &c->rvalue_vals, &bv );
+			}
+			rc = 0;
+			} break;
+
+		default:
+			assert( 0 );
+			break;
+		}
+
+		return rc;
+
+	} else if ( c->op == LDAP_MOD_DELETE ) {
+		switch( c->type ) {
+		case RC_PARENT:
+			if ( rd->rd_pdn.bv_val ) {
+				ber_memfree ( rd->rd_pdn.bv_val );
+				rc = 0;
+			}
+			if ( rd->rd_npdn.bv_val ) {
+				ber_memfree ( rd->rd_npdn.bv_val );
+			}
+			break;
+
+		case RC_ITEM:
+			if ( c->valx == -1 ) {
+				retcode_item_t *rdi, *next;
+
+				for ( rdi = rd->rd_item; rdi != NULL; rdi = next ) {
+					next = rdi->rdi_next;
+					retcode_item_destroy( rdi );
+				}
+
+			} else {
+				retcode_item_t **rdip, *rdi;
+				int i;
+
+				for ( rdip = &rd->rd_item, i = 0; i <= c->valx && *rdip; i++, rdip = &(*rdip)->rdi_next )
+					;
+				if ( *rdip == NULL ) {
+					return 1;
+				}
+				rdi = *rdip;
+				*rdip = rdi->rdi_next;
+
+				retcode_item_destroy( rdi );
+			}
+			rc = 0;
+			break;
+
+		default:
+			assert( 0 );
+			break;
+		}
+		return rc;	/* FIXME */
+	}
+
+	switch( c->type ) {
+	case RC_PARENT:
+		if ( rd->rd_pdn.bv_val ) {
+			ber_memfree ( rd->rd_pdn.bv_val );
+		}
+		if ( rd->rd_npdn.bv_val ) {
+			ber_memfree ( rd->rd_npdn.bv_val );
+		}
+		rd->rd_pdn = c->value_dn;
+		rd->rd_npdn = c->value_ndn;
+		rc = 0;
+		break;
+
+	case RC_ITEM: {
+		retcode_item_t	rdi = { BER_BVNULL }, **rdip;
+		struct berval		bv, rdn, nrdn;
+		char			*next = NULL;
+		int			i;
+
+		if ( c->argc < 3 ) {
+			snprintf( c->cr_msg, sizeof(c->cr_msg),
+				"\"retcode-item <RDN> <retcode> [<text>]\": "
+				"missing args" );
+			Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+				c->log, c->cr_msg, 0 );
+			return ARG_BAD_CONF;
+		}
+
+		ber_str2bv( c->argv[ 1 ], 0, 0, &bv );
+		
+		rc = dnPrettyNormal( NULL, &bv, &rdn, &nrdn, NULL );
+		if ( rc != LDAP_SUCCESS ) {
+			snprintf( c->cr_msg, sizeof(c->cr_msg),
+				"unable to normalize RDN \"%s\": %d",
+				c->argv[ 1 ], rc );
+			Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+				c->log, c->cr_msg, 0 );
+			return ARG_BAD_CONF;
+		}
+
+		if ( !dnIsOneLevelRDN( &nrdn ) ) {
+			snprintf( c->cr_msg, sizeof(c->cr_msg),
+				"value \"%s\" is not a RDN",
+				c->argv[ 1 ] );
+			Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+				c->log, c->cr_msg, 0 );
+			return ARG_BAD_CONF;
+		}
+
+		if ( BER_BVISNULL( &rd->rd_npdn ) ) {
+			/* FIXME: we use the database suffix */
+			if ( c->be->be_nsuffix == NULL ) {
+				snprintf( c->cr_msg, sizeof(c->cr_msg),
+					"either \"retcode-parent\" "
+					"or \"suffix\" must be defined" );
+				Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+					c->log, c->cr_msg, 0 );
+				return ARG_BAD_CONF;
+			}
+
+			ber_dupbv( &rd->rd_pdn, &c->be->be_suffix[ 0 ] );
+			ber_dupbv( &rd->rd_npdn, &c->be->be_nsuffix[ 0 ] );
+		}
+
+		build_new_dn( &rdi.rdi_dn, &rd->rd_pdn, &rdn, NULL );
+		build_new_dn( &rdi.rdi_ndn, &rd->rd_npdn, &nrdn, NULL );
+
+		ch_free( rdn.bv_val );
+		ch_free( nrdn.bv_val );
+
+		rdi.rdi_err = strtol( c->argv[ 2 ], &next, 0 );
+		if ( next == c->argv[ 2 ] || next[ 0 ] != '\0' ) {
+			snprintf( c->cr_msg, sizeof(c->cr_msg),
+				"unable to parse return code \"%s\"",
+				c->argv[ 2 ] );
+			Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+				c->log, c->cr_msg, 0 );
+			return ARG_BAD_CONF;
+		}
+
+		rdi.rdi_mask = SN_DG_OP_ALL;
+
+		if ( c->argc > 3 ) {
+			for ( i = 3; i < c->argc; i++ ) {
+				if ( strncasecmp( c->argv[ i ], "op=", STRLENOF( "op=" ) ) == 0 )
+				{
+					char		**ops;
+					int		j;
+
+					ops = ldap_str2charray( &c->argv[ i ][ STRLENOF( "op=" ) ], "," );
+					assert( ops != NULL );
+
+					rdi.rdi_mask = SN_DG_OP_NONE;
+
+					for ( j = 0; ops[ j ] != NULL; j++ ) {
+						if ( strcasecmp( ops[ j ], "add" ) == 0 ) {
+							rdi.rdi_mask |= SN_DG_OP_ADD;
+
+						} else if ( strcasecmp( ops[ j ], "bind" ) == 0 ) {
+							rdi.rdi_mask |= SN_DG_OP_BIND;
+
+						} else if ( strcasecmp( ops[ j ], "compare" ) == 0 ) {
+							rdi.rdi_mask |= SN_DG_OP_COMPARE;
+
+						} else if ( strcasecmp( ops[ j ], "delete" ) == 0 ) {
+							rdi.rdi_mask |= SN_DG_OP_DELETE;
+
+						} else if ( strcasecmp( ops[ j ], "modify" ) == 0 ) {
+							rdi.rdi_mask |= SN_DG_OP_MODIFY;
+
+						} else if ( strcasecmp( ops[ j ], "rename" ) == 0
+							|| strcasecmp( ops[ j ], "modrdn" ) == 0 )
+						{
+							rdi.rdi_mask |= SN_DG_OP_RENAME;
+
+						} else if ( strcasecmp( ops[ j ], "search" ) == 0 ) {
+							rdi.rdi_mask |= SN_DG_OP_SEARCH;
+
+						} else if ( strcasecmp( ops[ j ], "extended" ) == 0 ) {
+							rdi.rdi_mask |= SN_DG_EXTENDED;
+
+						} else if ( strcasecmp( ops[ j ], "auth" ) == 0 ) {
+							rdi.rdi_mask |= SN_DG_OP_AUTH;
+
+						} else if ( strcasecmp( ops[ j ], "read" ) == 0 ) {
+							rdi.rdi_mask |= SN_DG_OP_READ;
+
+						} else if ( strcasecmp( ops[ j ], "write" ) == 0 ) {
+							rdi.rdi_mask |= SN_DG_OP_WRITE;
+
+						} else if ( strcasecmp( ops[ j ], "all" ) == 0 ) {
+							rdi.rdi_mask |= SN_DG_OP_ALL;
+
+						} else {
+							snprintf( c->cr_msg, sizeof(c->cr_msg),
+								"unknown op \"%s\"",
+								ops[ j ] );
+							ldap_charray_free( ops );
+							Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+								c->log, c->cr_msg, 0 );
+							return ARG_BAD_CONF;
+						}
+					}
+
+					ldap_charray_free( ops );
+
+				} else if ( strncasecmp( c->argv[ i ], "text=", STRLENOF( "text=" ) ) == 0 )
+				{
+					if ( !BER_BVISNULL( &rdi.rdi_text ) ) {
+						snprintf( c->cr_msg, sizeof(c->cr_msg),
+							"\"text\" already provided" );
+						Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+							c->log, c->cr_msg, 0 );
+						return ARG_BAD_CONF;
+					}
+					ber_str2bv( &c->argv[ i ][ STRLENOF( "text=" ) ], 0, 1, &rdi.rdi_text );
+
+				} else if ( strncasecmp( c->argv[ i ], "matched=", STRLENOF( "matched=" ) ) == 0 )
+				{
+					struct berval	dn;
+
+					if ( !BER_BVISNULL( &rdi.rdi_matched ) ) {
+						snprintf( c->cr_msg, sizeof(c->cr_msg),
+							"\"matched\" already provided" );
+						Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+							c->log, c->cr_msg, 0 );
+						return ARG_BAD_CONF;
+					}
+					ber_str2bv( &c->argv[ i ][ STRLENOF( "matched=" ) ], 0, 0, &dn );
+					if ( dnPretty( NULL, &dn, &rdi.rdi_matched, NULL ) != LDAP_SUCCESS ) {
+						snprintf( c->cr_msg, sizeof(c->cr_msg),
+							"unable to prettify matched DN \"%s\"",
+							&c->argv[ i ][ STRLENOF( "matched=" ) ] );
+						Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+							c->log, c->cr_msg, 0 );
+						return ARG_BAD_CONF;
+					}
+
+				} else if ( strncasecmp( c->argv[ i ], "ref=", STRLENOF( "ref=" ) ) == 0 )
+				{
+					char		**refs;
+					int		j;
+
+					if ( rdi.rdi_ref != NULL ) {
+						snprintf( c->cr_msg, sizeof(c->cr_msg),
+							"\"ref\" already provided" );
+						Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+							c->log, c->cr_msg, 0 );
+						return ARG_BAD_CONF;
+					}
+
+					if ( rdi.rdi_err != LDAP_REFERRAL ) {
+						snprintf( c->cr_msg, sizeof(c->cr_msg),
+							"providing \"ref\" "
+							"along with a non-referral "
+							"resultCode may cause slapd failures "
+							"related to internal checks" );
+						Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+							c->log, c->cr_msg, 0 );
+					}
+
+					refs = ldap_str2charray( &c->argv[ i ][ STRLENOF( "ref=" ) ], " " );
+					assert( refs != NULL );
+
+					for ( j = 0; refs[ j ] != NULL; j++ ) {
+						struct berval	bv;
+
+						ber_str2bv( refs[ j ], 0, 1, &bv );
+						ber_bvarray_add( &rdi.rdi_ref, &bv );
+					}
+
+					ldap_charray_free( refs );
+
+				} else if ( strncasecmp( c->argv[ i ], "sleeptime=", STRLENOF( "sleeptime=" ) ) == 0 )
+				{
+					if ( rdi.rdi_sleeptime != 0 ) {
+						snprintf( c->cr_msg, sizeof(c->cr_msg),
+							"\"sleeptime\" already provided" );
+						Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+							c->log, c->cr_msg, 0 );
+						return ARG_BAD_CONF;
+					}
+
+					if ( lutil_atoi( &rdi.rdi_sleeptime, &c->argv[ i ][ STRLENOF( "sleeptime=" ) ] ) ) {
+						snprintf( c->cr_msg, sizeof(c->cr_msg),
+							"unable to parse \"sleeptime=%s\"",
+							&c->argv[ i ][ STRLENOF( "sleeptime=" ) ] );
+						Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+							c->log, c->cr_msg, 0 );
+						return ARG_BAD_CONF;
+					}
+
+				} else if ( strncasecmp( c->argv[ i ], "unsolicited=", STRLENOF( "unsolicited=" ) ) == 0 )
+				{
+					char		*data;
+
+					if ( !BER_BVISNULL( &rdi.rdi_unsolicited_oid ) ) {
+						snprintf( c->cr_msg, sizeof(c->cr_msg),
+							"\"unsolicited\" already provided" );
+						Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+							c->log, c->cr_msg, 0 );
+						return ARG_BAD_CONF;
+					}
+
+					data = strchr( &c->argv[ i ][ STRLENOF( "unsolicited=" ) ], ':' );
+					if ( data != NULL ) {
+						struct berval	oid;
+
+						if ( ldif_parse_line2( &c->argv[ i ][ STRLENOF( "unsolicited=" ) ],
+							&oid, &rdi.rdi_unsolicited_data, NULL ) )
+						{
+							snprintf( c->cr_msg, sizeof(c->cr_msg),
+								"unable to parse \"unsolicited\"" );
+							Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+								c->log, c->cr_msg, 0 );
+							return ARG_BAD_CONF;
+						}
+
+						ber_dupbv( &rdi.rdi_unsolicited_oid, &oid );
+
+					} else {
+						ber_str2bv( &c->argv[ i ][ STRLENOF( "unsolicited=" ) ], 0, 1,
+							&rdi.rdi_unsolicited_oid );
+					}
+
+				} else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 )
+				{
+					char *arg = &c->argv[ i ][ STRLENOF( "flags=" ) ];
+					if ( strcasecmp( arg, "disconnect" ) == 0 ) {
+						rdi.rdi_flags |= RDI_PRE_DISCONNECT;
+
+					} else if ( strcasecmp( arg, "pre-disconnect" ) == 0 ) {
+						rdi.rdi_flags |= RDI_PRE_DISCONNECT;
+
+					} else if ( strcasecmp( arg, "post-disconnect" ) == 0 ) {
+						rdi.rdi_flags |= RDI_POST_DISCONNECT;
+
+					} else {
+						snprintf( c->cr_msg, sizeof(c->cr_msg),
+							"unknown flag \"%s\"", arg );
+						Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+							c->log, c->cr_msg, 0 );
+						return ARG_BAD_CONF;
+					}
+
+				} else {
+					snprintf( c->cr_msg, sizeof(c->cr_msg),
+						"unknown option \"%s\"",
+						c->argv[ i ] );
+					Debug( LDAP_DEBUG_CONFIG, "%s: retcode: %s\n",
+						c->log, c->cr_msg, 0 );
+					return ARG_BAD_CONF;
+				}
+			}
+		}
+
+		rdi.rdi_line.bv_len = 2*(c->argc - 1) + c->argc - 2;
+		for ( i = 1; i < c->argc; i++ ) {
+			rdi.rdi_line.bv_len += strlen( c->argv[ i ] );
+		}
+		next = rdi.rdi_line.bv_val = ch_malloc( rdi.rdi_line.bv_len + 1 );
+
+		for ( i = 1; i < c->argc; i++ ) {
+			*next++ = '"';
+			next = lutil_strcopy( next, c->argv[ i ] );
+			*next++ = '"';
+			*next++ = ' ';
+		}
+		*--next = '\0';
+		
+		for ( rdip = &rd->rd_item; *rdip; rdip = &(*rdip)->rdi_next )
+			/* go to last */ ;
+
+		
+		*rdip = ( retcode_item_t * )ch_malloc( sizeof( retcode_item_t ) );
+		*(*rdip) = rdi;
+
+		rc = 0;
+		} break;
+
+	default:
+		rc = SLAP_CONF_UNKNOWN;
+		break;
+	}
+
+	return rc;
+}
+
+static int
+retcode_db_open( BackendDB *be, ConfigReply *cr)
+{
+	slap_overinst	*on = (slap_overinst *)be->bd_info;
+	retcode_t	*rd = (retcode_t *)on->on_bi.bi_private;
+
+	retcode_item_t	*rdi;
+
+	for ( rdi = rd->rd_item; rdi; rdi = rdi->rdi_next ) {
+		LDAPRDN			rdn = NULL;
+		int			rc, j;
+		char*			p;
+		struct berval		val[ 3 ];
+		char			buf[ SLAP_TEXT_BUFLEN ];
+
+		/* DN */
+		rdi->rdi_e.e_name = rdi->rdi_dn;
+		rdi->rdi_e.e_nname = rdi->rdi_ndn;
+
+		/* objectClass */
+		val[ 0 ] = oc_errObject->soc_cname;
+		val[ 1 ] = slap_schema.si_oc_extensibleObject->soc_cname;
+		BER_BVZERO( &val[ 2 ] );
+
+		attr_merge( &rdi->rdi_e, slap_schema.si_ad_objectClass, val, NULL );
+
+		/* RDN avas */
+		rc = ldap_bv2rdn( &rdi->rdi_dn, &rdn, (char **) &p,
+				LDAP_DN_FORMAT_LDAP );
+
+		assert( rc == LDAP_SUCCESS );
+
+		for ( j = 0; rdn[ j ]; j++ ) {
+			LDAPAVA			*ava = rdn[ j ];
+			AttributeDescription	*ad = NULL;
+			const char		*text;
+
+			rc = slap_bv2ad( &ava->la_attr, &ad, &text );
+			assert( rc == LDAP_SUCCESS );
+			
+			attr_merge_normalize_one( &rdi->rdi_e, ad,
+					&ava->la_value, NULL );
+		}
+
+		ldap_rdnfree( rdn );
+
+		/* error code */
+		snprintf( buf, sizeof( buf ), "%d", rdi->rdi_err );
+		ber_str2bv( buf, 0, 0, &val[ 0 ] );
+
+		attr_merge_one( &rdi->rdi_e, ad_errCode, &val[ 0 ], NULL );
+
+		if ( rdi->rdi_ref != NULL ) {
+			attr_merge_normalize( &rdi->rdi_e, slap_schema.si_ad_ref,
+				rdi->rdi_ref, NULL );
+		}
+
+		/* text */
+		if ( !BER_BVISNULL( &rdi->rdi_text ) ) {
+			val[ 0 ] = rdi->rdi_text;
+
+			attr_merge_normalize_one( &rdi->rdi_e, ad_errText, &val[ 0 ], NULL );
+		}
+
+		/* matched */
+		if ( !BER_BVISNULL( &rdi->rdi_matched ) ) {
+			val[ 0 ] = rdi->rdi_matched;
+
+			attr_merge_normalize_one( &rdi->rdi_e, ad_errMatchedDN, &val[ 0 ], NULL );
+		}
+
+		/* sleep time */
+		if ( rdi->rdi_sleeptime ) {
+			snprintf( buf, sizeof( buf ), "%d", rdi->rdi_sleeptime );
+			ber_str2bv( buf, 0, 0, &val[ 0 ] );
+
+			attr_merge_one( &rdi->rdi_e, ad_errSleepTime, &val[ 0 ], NULL );
+		}
+
+		/* operations */
+		if ( rdi->rdi_mask & SN_DG_OP_ADD ) {
+			BER_BVSTR( &val[ 0 ], "add" );
+			attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
+		}
+
+		if ( rdi->rdi_mask & SN_DG_OP_BIND ) {
+			BER_BVSTR( &val[ 0 ], "bind" );
+			attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
+		}
+
+		if ( rdi->rdi_mask & SN_DG_OP_COMPARE ) {
+			BER_BVSTR( &val[ 0 ], "compare" );
+			attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
+		}
+
+		if ( rdi->rdi_mask & SN_DG_OP_DELETE ) {
+			BER_BVSTR( &val[ 0 ], "delete" );
+			attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
+		}
+
+		if ( rdi->rdi_mask & SN_DG_EXTENDED ) {
+			BER_BVSTR( &val[ 0 ], "extended" );
+			attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
+		}
+
+		if ( rdi->rdi_mask & SN_DG_OP_MODIFY ) {
+			BER_BVSTR( &val[ 0 ], "modify" );
+			attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
+		}
+
+		if ( rdi->rdi_mask & SN_DG_OP_RENAME ) {
+			BER_BVSTR( &val[ 0 ], "rename" );
+			attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
+		}
+
+		if ( rdi->rdi_mask & SN_DG_OP_SEARCH ) {
+			BER_BVSTR( &val[ 0 ], "search" );
+			attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
+		}
+	}
+
+	return 0;
+}
+
+static int
+retcode_db_destroy( BackendDB *be, ConfigReply *cr )
+{
+	slap_overinst	*on = (slap_overinst *)be->bd_info;
+	retcode_t	*rd = (retcode_t *)on->on_bi.bi_private;
+
+	if ( rd ) {
+		retcode_item_t	*rdi, *next;
+
+		for ( rdi = rd->rd_item; rdi != NULL; rdi = next ) {
+			next = rdi->rdi_next;
+			retcode_item_destroy( rdi );
+		}
+
+		if ( !BER_BVISNULL( &rd->rd_pdn ) ) {
+			ber_memfree( rd->rd_pdn.bv_val );
+		}
+
+		if ( !BER_BVISNULL( &rd->rd_npdn ) ) {
+			ber_memfree( rd->rd_npdn.bv_val );
+		}
+
+		ber_memfree( rd );
+	}
+
+	return 0;
+}
+
+#if SLAPD_OVER_RETCODE == SLAPD_MOD_DYNAMIC
+static
+#endif /* SLAPD_OVER_RETCODE == SLAPD_MOD_DYNAMIC */
+int
+retcode_initialize( void )
+{
+	int		i, code;
+
+	static struct {
+		char			*desc;
+		AttributeDescription	**ad;
+	} retcode_at[] = {
+	        { "( 1.3.6.1.4.1.4203.666.11.4.1.1 "
+		        "NAME ( 'errCode' ) "
+		        "DESC 'LDAP error code' "
+		        "EQUALITY integerMatch "
+		        "ORDERING integerOrderingMatch "
+		        "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
+			"SINGLE-VALUE )",
+			&ad_errCode },
+		{ "( 1.3.6.1.4.1.4203.666.11.4.1.2 "
+			"NAME ( 'errOp' ) "
+			"DESC 'Operations the errObject applies to' "
+			"EQUALITY caseIgnoreMatch "
+			"SUBSTR caseIgnoreSubstringsMatch "
+			"SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )",
+			&ad_errOp},
+		{ "( 1.3.6.1.4.1.4203.666.11.4.1.3 "
+			"NAME ( 'errText' ) "
+			"DESC 'LDAP error textual description' "
+			"EQUALITY caseIgnoreMatch "
+			"SUBSTR caseIgnoreSubstringsMatch "
+			"SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 "
+			"SINGLE-VALUE )",
+			&ad_errText },
+		{ "( 1.3.6.1.4.1.4203.666.11.4.1.4 "
+			"NAME ( 'errSleepTime' ) "
+			"DESC 'Time to wait before returning the error' "
+			"EQUALITY integerMatch "
+			"SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
+			"SINGLE-VALUE )",
+			&ad_errSleepTime },
+		{ "( 1.3.6.1.4.1.4203.666.11.4.1.5 "
+			"NAME ( 'errMatchedDN' ) "
+			"DESC 'Value to be returned as matched DN' "
+			"EQUALITY distinguishedNameMatch "
+			"SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
+			"SINGLE-VALUE )",
+			&ad_errMatchedDN },
+		{ "( 1.3.6.1.4.1.4203.666.11.4.1.6 "
+			"NAME ( 'errUnsolicitedOID' ) "
+			"DESC 'OID to be returned within unsolicited response' "
+			"EQUALITY objectIdentifierMatch "
+			"SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 "
+			"SINGLE-VALUE )",
+			&ad_errUnsolicitedOID },
+		{ "( 1.3.6.1.4.1.4203.666.11.4.1.7 "
+			"NAME ( 'errUnsolicitedData' ) "
+			"DESC 'Data to be returned within unsolicited response' "
+			"SYNTAX 1.3.6.1.4.1.1466.115.121.1.40 "
+			"SINGLE-VALUE )",
+			&ad_errUnsolicitedData },
+		{ "( 1.3.6.1.4.1.4203.666.11.4.1.8 "
+			"NAME ( 'errDisconnect' ) "
+			"DESC 'Disconnect without notice' "
+			"SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
+			"SINGLE-VALUE )",
+			&ad_errDisconnect },
+		{ NULL }
+	};
+
+	static struct {
+		char		*desc;
+		ObjectClass	**oc;
+	} retcode_oc[] = {
+		{ "( 1.3.6.1.4.1.4203.666.11.4.3.0 "
+			"NAME ( 'errAbsObject' ) "
+			"SUP top ABSTRACT "
+			"MUST ( errCode ) "
+			"MAY ( "
+				"cn "
+				"$ description "
+				"$ errOp "
+				"$ errText "
+				"$ errSleepTime "
+				"$ errMatchedDN "
+				"$ errUnsolicitedOID "
+				"$ errUnsolicitedData "
+				"$ errDisconnect "
+			") )",
+			&oc_errAbsObject },
+		{ "( 1.3.6.1.4.1.4203.666.11.4.3.1 "
+			"NAME ( 'errObject' ) "
+			"SUP errAbsObject STRUCTURAL "
+			")",
+			&oc_errObject },
+		{ "( 1.3.6.1.4.1.4203.666.11.4.3.2 "
+			"NAME ( 'errAuxObject' ) "
+			"SUP errAbsObject AUXILIARY "
+			")",
+			&oc_errAuxObject },
+		{ NULL }
+	};
+
+
+	for ( i = 0; retcode_at[ i ].desc != NULL; i++ ) {
+		code = register_at( retcode_at[ i ].desc, retcode_at[ i ].ad, 0 );
+		if ( code ) {
+			Debug( LDAP_DEBUG_ANY,
+				"retcode: register_at failed\n", 0, 0, 0 );
+			return code;
+		}
+
+		(*retcode_at[ i ].ad)->ad_type->sat_flags |= SLAP_AT_HIDE;
+	}
+
+	for ( i = 0; retcode_oc[ i ].desc != NULL; i++ ) {
+		code = register_oc( retcode_oc[ i ].desc, retcode_oc[ i ].oc, 0 );
+		if ( code ) {
+			Debug( LDAP_DEBUG_ANY,
+				"retcode: register_oc failed\n", 0, 0, 0 );
+			return code;
+		}
+
+		(*retcode_oc[ i ].oc)->soc_flags |= SLAP_OC_HIDE;
+	}
+
+	retcode.on_bi.bi_type = "retcode";
+
+	retcode.on_bi.bi_db_init = retcode_db_init;
+	retcode.on_bi.bi_db_open = retcode_db_open;
+	retcode.on_bi.bi_db_destroy = retcode_db_destroy;
+
+	retcode.on_bi.bi_op_add = retcode_op_func;
+	retcode.on_bi.bi_op_bind = retcode_op_func;
+	retcode.on_bi.bi_op_compare = retcode_op_func;
+	retcode.on_bi.bi_op_delete = retcode_op_func;
+	retcode.on_bi.bi_op_modify = retcode_op_func;
+	retcode.on_bi.bi_op_modrdn = retcode_op_func;
+	retcode.on_bi.bi_op_search = retcode_op_func;
+
+	retcode.on_bi.bi_extended = retcode_op_func;
+
+	retcode.on_response = retcode_response;
+
+	retcode.on_bi.bi_cf_ocs = rcocs;
+
+	code = config_register_schema( rccfg, rcocs );
+	if ( code ) {
+		return code;
+	}
+
+	return overlay_register( &retcode );
+}
+
+#if SLAPD_OVER_RETCODE == SLAPD_MOD_DYNAMIC
+int
+init_module( int argc, char *argv[] )
+{
+	return retcode_initialize();
+}
+#endif /* SLAPD_OVER_RETCODE == SLAPD_MOD_DYNAMIC */
+
+#endif /* SLAPD_OVER_RETCODE */