Exemple #1
0
int
mdb_index_entry(
	Operation *op,
	MDB_txn *txn,
	int opid,
	Entry	*e )
{
	int rc;
	Attribute *ap = e->e_attrs;
#if 0 /* ifdef LDAP_COMP_MATCH */
	ComponentReference *cr_list = NULL;
	ComponentReference *cr = NULL, *dupped_cr = NULL;
	void* decoded_comp;
	ComponentSyntaxInfo* csi_attr;
	Syntax* syn;
	AttributeType* at;
	int i, num_attr;
	void* mem_op;
	struct berval value = {0};
#endif

	/* Never index ID 0 */
	if ( e->e_id == 0 )
		return 0;

	Debug( LDAP_DEBUG_TRACE, "=> index_entry_%s( %ld, \"%s\" )\n",
		opid == SLAP_INDEX_DELETE_OP ? "del" : "add",
		(long) e->e_id, e->e_dn ? e->e_dn : "" );

	/* add each attribute to the indexes */
	for ( ; ap != NULL; ap = ap->a_next ) {
#if 0 /* ifdef LDAP_COMP_MATCH */
		AttrInfo *ai;
		/* see if attribute has components to be indexed */
		ai = mdb_attr_mask( op->o_bd->be_private, ap->a_desc->ad_type->sat_ad );
		if ( !ai ) continue;
		cr_list = ai->ai_cr;
		if ( attr_converter && cr_list ) {
			syn = ap->a_desc->ad_type->sat_syntax;
			ap->a_comp_data = op->o_tmpalloc( sizeof( ComponentData ), op->o_tmpmemctx );
                	/* Memory chunk(nibble) pre-allocation for decoders */
                	mem_op = nibble_mem_allocator ( 1024*16, 1024*4 );
			ap->a_comp_data->cd_mem_op = mem_op;
			for( cr = cr_list ; cr ; cr = cr->cr_next ) {
				/* count how many values in an attribute */
				for( num_attr=0; ap->a_vals[num_attr].bv_val != NULL; num_attr++ );
				num_attr++;
				cr->cr_nvals = (BerVarray)op->o_tmpalloc( sizeof( struct berval )*num_attr, op->o_tmpmemctx );
				for( i=0; ap->a_vals[i].bv_val != NULL; i++ ) {
					/* decoding attribute value */
					decoded_comp = attr_converter ( ap, syn, &ap->a_vals[i] );
					if ( !decoded_comp )
						return LDAP_DECODING_ERROR;
					/* extracting the referenced component */
					dupped_cr = dup_comp_ref( op, cr );
					csi_attr = ((ComponentSyntaxInfo*)decoded_comp)->csi_comp_desc->cd_extract_i( mem_op, dupped_cr, decoded_comp );
					if ( !csi_attr )
						return LDAP_DECODING_ERROR;
					cr->cr_asn_type_id = csi_attr->csi_comp_desc->cd_type_id;
					cr->cr_ad = (AttributeDescription*)get_component_description ( cr->cr_asn_type_id );
					if ( !cr->cr_ad )
						return LDAP_INVALID_SYNTAX;
					at = cr->cr_ad->ad_type;
					/* encoding the value of component in GSER */
					rc = component_encoder( mem_op, csi_attr, &value );
					if ( rc != LDAP_SUCCESS )
						return LDAP_ENCODING_ERROR;
					/* Normalize the encoded component values */
					if ( at->sat_equality && at->sat_equality->smr_normalize ) {
						rc = at->sat_equality->smr_normalize (
							SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
							at->sat_syntax, at->sat_equality,
							&value, &cr->cr_nvals[i], op->o_tmpmemctx );
					} else {
						cr->cr_nvals[i] = value;
					}
				}
				/* The end of BerVarray */
				cr->cr_nvals[num_attr-1].bv_val = NULL;
				cr->cr_nvals[num_attr-1].bv_len = 0;
			}
			op->o_tmpfree( ap->a_comp_data, op->o_tmpmemctx );
			nibble_mem_free ( mem_op );
			ap->a_comp_data = NULL;
		}
#endif
		rc = mdb_index_values( op, txn, ap->a_desc,
			ap->a_nvals, e->e_id, opid );

		if( rc != LDAP_SUCCESS ) {
			Debug( LDAP_DEBUG_TRACE,
				"<= index_entry_%s( %ld, \"%s\" ) failure\n",
				opid == SLAP_INDEX_ADD_OP ? "add" : "del",
				(long) e->e_id, e->e_dn );
			return rc;
		}
	}

	Debug( LDAP_DEBUG_TRACE, "<= index_entry_%s( %ld, \"%s\" ) success\n",
		opid == SLAP_INDEX_DELETE_OP ? "del" : "add",
		(long) e->e_id, e->e_dn ? e->e_dn : "" );

	return LDAP_SUCCESS;
}
Exemple #2
0
int mdb_modify_internal(
	Operation *op,
	MDB_txn *tid,
	Modifications *modlist,
	Entry *e,
	const char **text,
	char *textbuf,
	size_t textlen )
{
	int rc, err;
	Modification	*mod;
	Modifications	*ml;
	Attribute	*save_attrs;
	Attribute 	*ap;
	int			glue_attr_delete = 0;
	int			got_delete;

	Debug( LDAP_DEBUG_TRACE, "mdb_modify_internal: 0x%08lx: %s\n",
		e->e_id, e->e_dn, 0);

	if ( !acl_check_modlist( op, e, modlist )) {
		return LDAP_INSUFFICIENT_ACCESS;
	}

	/* save_attrs will be disposed of by caller */
	save_attrs = e->e_attrs;
	e->e_attrs = attrs_dup( e->e_attrs );

	for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
		int match;
		mod = &ml->sml_mod;
		switch( mod->sm_op ) {
		case LDAP_MOD_ADD:
		case LDAP_MOD_REPLACE:
			if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) {
				value_match( &match, slap_schema.si_ad_structuralObjectClass,
					slap_schema.si_ad_structuralObjectClass->
						ad_type->sat_equality,
					SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
					&mod->sm_values[0], &scbva[0], text );
				if ( !match ) glue_attr_delete = 1;
			}
		}
		if ( glue_attr_delete )
			break;
	}

	if ( glue_attr_delete ) {
		Attribute	**app = &e->e_attrs;
		while ( *app != NULL ) {
			if ( !is_at_operational( (*app)->a_desc->ad_type )) {
				Attribute *save = *app;
				*app = (*app)->a_next;
				attr_free( save );
				continue;
			}
			app = &(*app)->a_next;
		}
	}

	for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
		mod = &ml->sml_mod;
		got_delete = 0;

		switch ( mod->sm_op ) {
		case LDAP_MOD_ADD:
			Debug(LDAP_DEBUG_ARGS,
				"mdb_modify_internal: add %s\n",
				mod->sm_desc->ad_cname.bv_val, 0, 0);
			err = modify_add_values( e, mod, get_permissiveModify(op),
				text, textbuf, textlen );
			if( err != LDAP_SUCCESS ) {
				Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n",
					err, *text, 0);
			}
			break;

		case LDAP_MOD_DELETE:
			if ( glue_attr_delete ) {
				err = LDAP_SUCCESS;
				break;
			}

			Debug(LDAP_DEBUG_ARGS,
				"mdb_modify_internal: delete %s\n",
				mod->sm_desc->ad_cname.bv_val, 0, 0);
			err = modify_delete_values( e, mod, get_permissiveModify(op),
				text, textbuf, textlen );
			if( err != LDAP_SUCCESS ) {
				Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n",
					err, *text, 0);
			} else {
				got_delete = 1;
			}
			break;

		case LDAP_MOD_REPLACE:
			Debug(LDAP_DEBUG_ARGS,
				"mdb_modify_internal: replace %s\n",
				mod->sm_desc->ad_cname.bv_val, 0, 0);
			err = modify_replace_values( e, mod, get_permissiveModify(op),
				text, textbuf, textlen );
			if( err != LDAP_SUCCESS ) {
				Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n",
					err, *text, 0);
			} else {
				got_delete = 1;
			}
			break;

		case LDAP_MOD_INCREMENT:
			Debug(LDAP_DEBUG_ARGS,
				"mdb_modify_internal: increment %s\n",
				mod->sm_desc->ad_cname.bv_val, 0, 0);
			err = modify_increment_values( e, mod, get_permissiveModify(op),
				text, textbuf, textlen );
			if( err != LDAP_SUCCESS ) {
				Debug(LDAP_DEBUG_ARGS,
					"mdb_modify_internal: %d %s\n",
					err, *text, 0);
			} else {
				got_delete = 1;
			}
			break;

		case SLAP_MOD_SOFTADD:
			Debug(LDAP_DEBUG_ARGS,
				"mdb_modify_internal: softadd %s\n",
				mod->sm_desc->ad_cname.bv_val, 0, 0);
 			/* Avoid problems in index_add_mods()
 			 * We need to add index if necessary.
 			 */
 			mod->sm_op = LDAP_MOD_ADD;

			err = modify_add_values( e, mod, get_permissiveModify(op),
				text, textbuf, textlen );

 			mod->sm_op = SLAP_MOD_SOFTADD;

 			if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
 				err = LDAP_SUCCESS;
 			}

			if( err != LDAP_SUCCESS ) {
				Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n",
					err, *text, 0);
			}
 			break;

		case SLAP_MOD_SOFTDEL:
			Debug(LDAP_DEBUG_ARGS,
				"mdb_modify_internal: softdel %s\n",
				mod->sm_desc->ad_cname.bv_val, 0, 0);
 			/* Avoid problems in index_delete_mods()
 			 * We need to add index if necessary.
 			 */
 			mod->sm_op = LDAP_MOD_DELETE;

			err = modify_delete_values( e, mod, get_permissiveModify(op),
				text, textbuf, textlen );

 			mod->sm_op = SLAP_MOD_SOFTDEL;

 			if ( err == LDAP_NO_SUCH_ATTRIBUTE ) {
 				err = LDAP_SUCCESS;
 			}

			if( err != LDAP_SUCCESS ) {
				Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n",
					err, *text, 0);
			}
 			break;

		case SLAP_MOD_ADD_IF_NOT_PRESENT:
			if ( attr_find( e->e_attrs, mod->sm_desc ) != NULL ) {
				/* skip */
				err = LDAP_SUCCESS;
				break;
			}

			Debug(LDAP_DEBUG_ARGS,
				"mdb_modify_internal: add_if_not_present %s\n",
				mod->sm_desc->ad_cname.bv_val, 0, 0);
 			/* Avoid problems in index_add_mods()
 			 * We need to add index if necessary.
 			 */
 			mod->sm_op = LDAP_MOD_ADD;

			err = modify_add_values( e, mod, get_permissiveModify(op),
				text, textbuf, textlen );

 			mod->sm_op = SLAP_MOD_ADD_IF_NOT_PRESENT;

			if( err != LDAP_SUCCESS ) {
				Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n",
					err, *text, 0);
			}
 			break;

		default:
			Debug(LDAP_DEBUG_ANY, "mdb_modify_internal: invalid op %d\n",
				mod->sm_op, 0, 0);
			*text = "Invalid modify operation";
			err = LDAP_OTHER;
			Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n",
				err, *text, 0);
		}

		if ( err != LDAP_SUCCESS ) {
			attrs_free( e->e_attrs );
			e->e_attrs = save_attrs;
			/* unlock entry, delete from cache */
			return err; 
		}

		/* If objectClass was modified, reset the flags */
		if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
			e->e_ocflags = 0;
		}

		if ( glue_attr_delete ) e->e_ocflags = 0;


		/* check if modified attribute was indexed
		 * but not in case of NOOP... */
		if ( !op->o_noop ) {
			mdb_modify_idxflags( op, mod->sm_desc, got_delete, e->e_attrs, save_attrs );
		}
	}

	/* check that the entry still obeys the schema */
	ap = NULL;
	rc = entry_schema_check( op, e, save_attrs, get_relax(op), 0, &ap,
		text, textbuf, textlen );
	if ( rc != LDAP_SUCCESS || op->o_noop ) {
		attrs_free( e->e_attrs );
		/* clear the indexing flags */
		for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
			ap->a_flags &= ~(SLAP_ATTR_IXADD|SLAP_ATTR_IXDEL);
		}
		e->e_attrs = save_attrs;

		if ( rc != LDAP_SUCCESS ) {
			Debug( LDAP_DEBUG_ANY,
				"entry failed schema check: %s\n",
				*text, 0, 0 );
		}

		/* if NOOP then silently revert to saved attrs */
		return rc;
	}

	/* structuralObjectClass modified! */
	if ( ap ) {
		assert( ap->a_desc == slap_schema.si_ad_structuralObjectClass );
		if ( !op->o_noop ) {
			mdb_modify_idxflags( op, slap_schema.si_ad_structuralObjectClass,
				1, e->e_attrs, save_attrs );
		}
	}

	/* update the indices of the modified attributes */

	/* start with deleting the old index entries */
	for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
		if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
			struct berval *vals;
			Attribute *a2;
			ap->a_flags &= ~SLAP_ATTR_IXDEL;
			a2 = attr_find( e->e_attrs, ap->a_desc );
			if ( a2 ) {
				/* need to detect which values were deleted */
				int i, j;
				vals = op->o_tmpalloc( (ap->a_numvals + 1) *
					sizeof(struct berval), op->o_tmpmemctx );
				j = 0;
				for ( i=0; i < ap->a_numvals; i++ ) {
					rc = attr_valfind( a2, SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
						&ap->a_nvals[i], NULL, op->o_tmpmemctx );
					/* Save deleted values */
					if ( rc == LDAP_NO_SUCH_ATTRIBUTE )
						vals[j++] = ap->a_nvals[i];
				}
				BER_BVZERO(vals+j);
			} else {
				/* attribute was completely deleted */
				vals = ap->a_nvals;
			}
			rc = 0;
			if ( !BER_BVISNULL( vals )) {
				rc = mdb_index_values( op, tid, ap->a_desc,
					vals, e->e_id, SLAP_INDEX_DELETE_OP );
				if ( rc != LDAP_SUCCESS ) {
					Debug( LDAP_DEBUG_ANY,
						"%s: attribute \"%s\" index delete failure\n",
						op->o_log_prefix, ap->a_desc->ad_cname.bv_val, 0 );
					attrs_free( e->e_attrs );
					e->e_attrs = save_attrs;
				}
			}
			if ( vals != ap->a_nvals )
				op->o_tmpfree( vals, op->o_tmpmemctx );
			if ( rc ) return rc;
		}
	}

	/* add the new index entries */
	for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
		if (ap->a_flags & SLAP_ATTR_IXADD) {
			ap->a_flags &= ~SLAP_ATTR_IXADD;
			rc = mdb_index_values( op, tid, ap->a_desc,
				ap->a_nvals,
				e->e_id, SLAP_INDEX_ADD_OP );
			if ( rc != LDAP_SUCCESS ) {
				Debug( LDAP_DEBUG_ANY,
				       "%s: attribute \"%s\" index add failure\n",
					op->o_log_prefix, ap->a_desc->ad_cname.bv_val, 0 );
				attrs_free( e->e_attrs );
				e->e_attrs = save_attrs;
				return rc;
			}
		}
	}

	return rc;
}
Exemple #3
0
int
mdb_delete( Operation *op, SlapReply *rs )
{
	struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
	struct berval	pdn = {0, NULL};
	Entry	*e = NULL;
	Entry	*p = NULL;
	int		manageDSAit = get_manageDSAit( op );
	AttributeDescription *children = slap_schema.si_ad_children;
	AttributeDescription *entry = slap_schema.si_ad_entry;
	MDB_txn		*txn = NULL;
	MDB_cursor	*mc;
	mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo;

	LDAPControl **preread_ctrl = NULL;
	LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
	int num_ctrls = 0;

	int	parent_is_glue = 0;
	int parent_is_leaf = 0;

#ifdef LDAP_X_TXN
	int settle = 0;
#endif

	Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(mdb_delete) ": %s\n",
		op->o_req_dn.bv_val, 0, 0 );

#ifdef LDAP_X_TXN
	if( op->o_txnSpec ) {
		/* acquire connection lock */
		ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
		if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
			rs->sr_text = "invalid transaction identifier";
			rs->sr_err = LDAP_X_TXN_ID_INVALID;
			goto txnReturn;
		} else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
			settle=1;
			goto txnReturn;
		}

		if( op->o_conn->c_txn_backend == NULL ) {
			op->o_conn->c_txn_backend = op->o_bd;

		} else if( op->o_conn->c_txn_backend != op->o_bd ) {
			rs->sr_text = "transaction cannot span multiple database contexts";
			rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
			goto txnReturn;
		}

		/* insert operation into transaction */

		rs->sr_text = "transaction specified";
		rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;

txnReturn:
		/* release connection lock */
		ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );

		if( !settle ) {
			send_ldap_result( op, rs );
			return rs->sr_err;
		}
	}
#endif

	ctrls[num_ctrls] = 0;

	/* begin transaction */
	rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi );
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_delete) ": txn_begin failed: "
			"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	txn = moi->moi_txn;

	/* allocate CSN */
	if ( BER_BVISNULL( &op->o_csn ) ) {
		struct berval csn;
		char csnbuf[LDAP_PVT_CSNSTR_BUFSIZE];

		csn.bv_val = csnbuf;
		csn.bv_len = sizeof(csnbuf);
		slap_get_csn( op, &csn, 1 );
	}

	if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
		dnParent( &op->o_req_ndn, &pdn );
	}

	rs->sr_err = mdb_cursor_open( txn, mdb->mi_dn2id, &mc );
	if ( rs->sr_err ) {
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	/* get parent */
	rs->sr_err = mdb_dn2entry( op, txn, mc, &pdn, &p, NULL, 1 );
	switch( rs->sr_err ) {
	case 0:
	case MDB_NOTFOUND:
		break;
	case LDAP_BUSY:
		rs->sr_text = "ldap server busy";
		goto return_results;
	default:
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	if ( rs->sr_err == MDB_NOTFOUND ) {
		Debug( LDAP_DEBUG_ARGS,
			"<=- " LDAP_XSTRING(mdb_delete) ": no such object %s\n",
			op->o_req_dn.bv_val, 0, 0);

		if ( p && !BER_BVISEMPTY( &p->e_name )) {
			rs->sr_matched = ch_strdup( p->e_name.bv_val );
			if ( is_entry_referral( p )) {
				BerVarray ref = get_entry_referrals( op, p );
				rs->sr_ref = referral_rewrite( ref, &p->e_name,
					&op->o_req_dn, LDAP_SCOPE_DEFAULT );
				ber_bvarray_free( ref );
			} else {
				rs->sr_ref = NULL;
			}
		} else {
			rs->sr_ref = referral_rewrite( default_referral, NULL,
					&op->o_req_dn, LDAP_SCOPE_DEFAULT );
		}
		if ( p ) {
			mdb_entry_return( op, p );
			p = NULL;
		}

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		goto return_results;
	}

	/* get entry */
	rs->sr_err = mdb_dn2entry( op, txn, mc, &op->o_req_ndn, &e, NULL, 0 );
	switch( rs->sr_err ) {
	case MDB_NOTFOUND:
		e = p;
		p = NULL;
	case 0:
		break;
	case LDAP_BUSY:
		rs->sr_text = "ldap server busy";
		goto return_results;
	default:
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}

	/* FIXME : dn2entry() should return non-glue entry */
	if ( rs->sr_err == MDB_NOTFOUND || ( !manageDSAit && is_entry_glue( e ))) {
		Debug( LDAP_DEBUG_ARGS,
			"<=- " LDAP_XSTRING(mdb_delete) ": no such object %s\n",
			op->o_req_dn.bv_val, 0, 0);

		rs->sr_matched = ch_strdup( e->e_dn );
		if ( is_entry_referral( e )) {
			BerVarray ref = get_entry_referrals( op, e );
			rs->sr_ref = referral_rewrite( ref, &e->e_name,
				&op->o_req_dn, LDAP_SCOPE_DEFAULT );
			ber_bvarray_free( ref );
		} else {
			rs->sr_ref = NULL;
		}
		mdb_entry_return( op, e );
		e = NULL;

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		goto return_results;
	}

	if ( pdn.bv_len != 0 ) {
		/* check parent for "children" acl */
		rs->sr_err = access_allowed( op, p,
			children, NULL, ACL_WDEL, NULL );

		if ( !rs->sr_err  ) {
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(mdb_delete) ": no write "
				"access to parent\n", 0, 0, 0 );
			rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
			rs->sr_text = "no write access to parent";
			goto return_results;
		}

	} else {
		/* no parent, must be root to delete */
		if( ! be_isroot( op ) ) {
			if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
				|| be_shadow_update( op ) ) {
				p = (Entry *)&slap_entry_root;

				/* check parent for "children" acl */
				rs->sr_err = access_allowed( op, p,
					children, NULL, ACL_WDEL, NULL );

				p = NULL;

				if ( !rs->sr_err  ) {
					Debug( LDAP_DEBUG_TRACE,
						"<=- " LDAP_XSTRING(mdb_delete)
						": no access to parent\n",
						0, 0, 0 );
					rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
					rs->sr_text = "no write access to parent";
					goto return_results;
				}

			} else {
				Debug( LDAP_DEBUG_TRACE,
					"<=- " LDAP_XSTRING(mdb_delete)
					": no parent and not root\n", 0, 0, 0 );
				rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
				goto return_results;
			}
		}
	}

	if ( get_assert( op ) &&
		( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
	{
		rs->sr_err = LDAP_ASSERTION_FAILED;
		goto return_results;
	}

	rs->sr_err = access_allowed( op, e,
		entry, NULL, ACL_WDEL, NULL );

	if ( !rs->sr_err  ) {
		Debug( LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(mdb_delete) ": no write access "
			"to entry\n", 0, 0, 0 );
		rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
		rs->sr_text = "no write access to entry";
		goto return_results;
	}

	if ( !manageDSAit && is_entry_referral( e ) ) {
		/* entry is a referral, don't allow delete */
		rs->sr_ref = get_entry_referrals( op, e );

		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_delete) ": entry is referral\n",
			0, 0, 0 );

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_matched = ch_strdup( e->e_name.bv_val );
		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		goto return_results;
	}

	/* pre-read */
	if( op->o_preread ) {
		if( preread_ctrl == NULL ) {
			preread_ctrl = &ctrls[num_ctrls++];
			ctrls[num_ctrls] = NULL;
		}
		if( slap_read_controls( op, rs, e,
			&slap_pre_read_bv, preread_ctrl ) )
		{
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(mdb_delete) ": pre-read "
				"failed!\n", 0, 0, 0 );
			if ( op->o_preread & SLAP_CONTROL_CRITICAL ) {
				/* FIXME: is it correct to abort
				 * operation if control fails? */
				goto return_results;
			}
		}
	}

	rs->sr_text = NULL;

	/* Can't do it if we have kids */
	rs->sr_err = mdb_dn2id_children( op, txn, e );
	if( rs->sr_err != MDB_NOTFOUND ) {
		switch( rs->sr_err ) {
		case 0:
			Debug(LDAP_DEBUG_ARGS,
				"<=- " LDAP_XSTRING(mdb_delete)
				": non-leaf %s\n",
				op->o_req_dn.bv_val, 0, 0);
			rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
			rs->sr_text = "subordinate objects must be deleted first";
			break;
		default:
			Debug(LDAP_DEBUG_ARGS,
				"<=- " LDAP_XSTRING(mdb_delete)
				": has_children failed: %s (%d)\n",
				mdb_strerror(rs->sr_err), rs->sr_err, 0 );
			rs->sr_err = LDAP_OTHER;
			rs->sr_text = "internal error";
		}
		goto return_results;
	}

	/* delete from dn2id */
	rs->sr_err = mdb_dn2id_delete( op, mc, e->e_id, 1 );
	mdb_cursor_close( mc );
	if ( rs->sr_err != 0 ) {
		Debug(LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(mdb_delete) ": dn2id failed: "
			"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_text = "DN index delete failed";
		rs->sr_err = LDAP_OTHER;
		goto return_results;
	}

	/* delete indices for old attributes */
	rs->sr_err = mdb_index_entry_del( op, txn, e );
	if ( rs->sr_err != LDAP_SUCCESS ) {
		Debug(LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(mdb_delete) ": index failed: "
			"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_text = "entry index delete failed";
		rs->sr_err = LDAP_OTHER;
		goto return_results;
	}

	/* fixup delete CSN */
	if ( !SLAP_SHADOW( op->o_bd )) {
		struct berval vals[2];

		assert( !BER_BVISNULL( &op->o_csn ) );
		vals[0] = op->o_csn;
		BER_BVZERO( &vals[1] );
		rs->sr_err = mdb_index_values( op, txn, slap_schema.si_ad_entryCSN,
			vals, 0, SLAP_INDEX_ADD_OP );
		if ( rs->sr_err != LDAP_SUCCESS ) {
			rs->sr_text = "entryCSN index update failed";
			rs->sr_err = LDAP_OTHER;
			goto return_results;
		}
	}

	/* delete from id2entry */
	rs->sr_err = mdb_id2entry_delete( op->o_bd, txn, e );
	if ( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(mdb_delete) ": id2entry failed: "
			"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_text = "entry delete failed";
		rs->sr_err = LDAP_OTHER;
		goto return_results;
	}

	if ( pdn.bv_len != 0 ) {
		parent_is_glue = is_entry_glue(p);
		rs->sr_err = mdb_dn2id_children( op, txn, p );
		if ( rs->sr_err != MDB_NOTFOUND ) {
			switch( rs->sr_err ) {
			case 0:
				break;
			default:
				Debug(LDAP_DEBUG_ARGS,
					"<=- " LDAP_XSTRING(mdb_delete)
					": has_children failed: %s (%d)\n",
					mdb_strerror(rs->sr_err), rs->sr_err, 0 );
				rs->sr_err = LDAP_OTHER;
				rs->sr_text = "internal error";
				goto return_results;
			}
			parent_is_leaf = 1;
		}
		mdb_entry_return( op, p );
		p = NULL;
	}

	if( moi == &opinfo ) {
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
		opinfo.moi_oe.oe_key = NULL;
		if( op->o_noop ) {
			mdb_txn_abort( txn );
			rs->sr_err = LDAP_X_NO_OPERATION;
			txn = NULL;
			goto return_results;
		} else {
			rs->sr_err = mdb_txn_commit( txn );
		}
		txn = NULL;
	}

	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_ANY,
			LDAP_XSTRING(mdb_delete) ": txn_%s failed: %s (%d)\n",
			op->o_noop ? "abort (no-op)" : "commit",
			mdb_strerror(rs->sr_err), rs->sr_err );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "commit failed";

		goto return_results;
	}

	Debug( LDAP_DEBUG_TRACE,
		LDAP_XSTRING(mdb_delete) ": deleted%s id=%08lx dn=\"%s\"\n",
		op->o_noop ? " (no-op)" : "",
		e->e_id, op->o_req_dn.bv_val );
	rs->sr_err = LDAP_SUCCESS;
	rs->sr_text = NULL;
	if( num_ctrls ) rs->sr_ctrls = ctrls;

return_results:
	if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
		op->o_delete_glue_parent = 1;
	}

	if ( p != NULL ) {
		mdb_entry_return( op, p );
	}

	/* free entry */
	if( e != NULL ) {
		mdb_entry_return( op, e );
	}

	if( moi == &opinfo ) {
		if( txn != NULL ) {
			mdb_txn_abort( txn );
		}
		if ( opinfo.moi_oe.oe_key ) {
			LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
		}
	} else {
		moi->moi_ref--;
	}

	send_ldap_result( op, rs );
	slap_graduate_commit_csn( op );

	if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
		slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
		slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
	}

#if 0
	if( rs->sr_err == LDAP_SUCCESS && mdb->bi_txn_cp_kbyte ) {
		TXN_CHECKPOINT( mdb->bi_dbenv,
			mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
	}
#endif
	return rs->sr_err;
}