modrdn.c

OpenLdap是LDAP的开源项目

		goto done;
	}

	Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
		"executing renentry_stmt\n", 0, 0, 0 );

	rc = backsql_Prepare( dbh, &sth, bi->sql_renentry_stmt, 0 );
	if ( rc != SQL_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			"   backsql_modrdn(): "
			"error preparing renentry_stmt\n", 0, 0, 0 );
		backsql_PrintErrors( bi->sql_db_env, dbh, 
				sth, rc );

		rs->sr_text = "SQL-backend error";
		rs->sr_err = LDAP_OTHER;
		e = NULL;
		goto done;
	}

	rc = backsql_BindParamBerVal( sth, 1, SQL_PARAM_INPUT, &realnew_dn );
	if ( rc != SQL_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			"   backsql_add_attr(): "
			"error binding DN parameter for objectClass %s\n",
			oc->bom_oc->soc_cname.bv_val, 0, 0 );
		backsql_PrintErrors( bi->sql_db_env, dbh, 
			sth, rc );
		SQLFreeStmt( sth, SQL_DROP );

		rs->sr_text = "SQL-backend error";
		rs->sr_err = LDAP_OTHER;
		e = NULL;
		goto done;
	}

	rc = backsql_BindParamID( sth, 2, SQL_PARAM_INPUT, &n_id.eid_id );
	if ( rc != SQL_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			"   backsql_add_attr(): "
			"error binding parent ID parameter for objectClass %s\n",
			oc->bom_oc->soc_cname.bv_val, 0, 0 );
		backsql_PrintErrors( bi->sql_db_env, dbh, 
			sth, rc );
		SQLFreeStmt( sth, SQL_DROP );

		rs->sr_text = "SQL-backend error";
		rs->sr_err = LDAP_OTHER;
		e = NULL;
		goto done;
	}

	rc = backsql_BindParamID( sth, 3, SQL_PARAM_INPUT, &e_id.eid_keyval );
	if ( rc != SQL_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			"   backsql_add_attr(): "
			"error binding entry ID parameter for objectClass %s\n",
			oc->bom_oc->soc_cname.bv_val, 0, 0 );
		backsql_PrintErrors( bi->sql_db_env, dbh, 
			sth, rc );
		SQLFreeStmt( sth, SQL_DROP );

		rs->sr_text = "SQL-backend error";
		rs->sr_err = LDAP_OTHER;
		e = NULL;
		goto done;
	}

	rc = backsql_BindParamID( sth, 4, SQL_PARAM_INPUT, &e_id.eid_id );
	if ( rc != SQL_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			"   backsql_add_attr(): "
			"error binding ID parameter for objectClass %s\n",
			oc->bom_oc->soc_cname.bv_val, 0, 0 );
		backsql_PrintErrors( bi->sql_db_env, dbh, 
			sth, rc );
		SQLFreeStmt( sth, SQL_DROP );

		rs->sr_text = "SQL-backend error";
		rs->sr_err = LDAP_OTHER;
		e = NULL;
		goto done;
	}

	rc = SQLExecute( sth );
	if ( rc != SQL_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
			"could not rename ldap_entries record\n", 0, 0, 0 );
		backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
		SQLFreeStmt( sth, SQL_DROP );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "SQL-backend error";
		e = NULL;
		goto done;
	}
	SQLFreeStmt( sth, SQL_DROP );

	/*
	 * Get attribute type and attribute value of our new rdn,
	 * we will need to add that to our new entry
	 */
	if ( ldap_bv2rdn( &op->oq_modrdn.rs_newrdn, &new_rdn, &next, 
				LDAP_DN_FORMAT_LDAP ) )
	{
		Debug( LDAP_DEBUG_TRACE,
			"   backsql_modrdn: can't figure out "
			"type(s)/values(s) of new_rdn\n", 
			0, 0, 0 );
		rs->sr_err = LDAP_INVALID_DN_SYNTAX;
		e = &r;
		goto done;
	}

	Debug( LDAP_DEBUG_TRACE, "backsql_modrdn: "
		"new_rdn_type=\"%s\", new_rdn_val=\"%s\"\n",
		new_rdn[ 0 ]->la_attr.bv_val,
		new_rdn[ 0 ]->la_value.bv_val, 0 );

	if ( op->oq_modrdn.rs_deleteoldrdn ) {
		if ( ldap_bv2rdn( &op->o_req_dn, &old_rdn, &next,
					LDAP_DN_FORMAT_LDAP ) )
		{
			Debug( LDAP_DEBUG_TRACE,
				"   backsql_modrdn: can't figure out "
				"the old_rdn type(s)/value(s)\n", 
				0, 0, 0 );
			rs->sr_err = LDAP_OTHER;
			e = NULL;
			goto done;
		}
	}

	rs->sr_err = slap_modrdn2mods( op, rs, &r, old_rdn, new_rdn, &mod );
	if ( rs->sr_err != LDAP_SUCCESS ) {
		e = &r;
		goto done;
	}

	oc = backsql_id2oc( bi, e_id.eid_oc_id );
	rs->sr_err = backsql_modify_internal( op, rs, dbh, oc, &e_id, mod );
	slap_graduate_commit_csn( op );
	if ( rs->sr_err != LDAP_SUCCESS ) {
		e = &r;
		goto done;
	}

	if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
		char		textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };

		backsql_entry_clean( op, &r );
		(void)backsql_free_entryID( op, &e_id, 0 );

		bsi.bsi_e = &r;
		rs->sr_err = backsql_init_search( &bsi, &new_ndn,
				LDAP_SCOPE_BASE, 
				(time_t)(-1), NULL, dbh, op, rs,
				slap_anlist_all_attributes,
				( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
		switch ( rs->sr_err ) {
		case LDAP_SUCCESS:
			break;

		case LDAP_REFERRAL:
			if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
					dn_match( &new_ndn, &bsi.bsi_e->e_nname ) )
			{
				rs->sr_err = LDAP_SUCCESS;
				rs->sr_text = NULL;
				rs->sr_matched = NULL;
				if ( rs->sr_ref ) {
					ber_bvarray_free( rs->sr_ref );
					rs->sr_ref = NULL;
				}
				break;
			}
			e = &r;
			/* fallthru */

		default:
			Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
				"could not retrieve modrdnDN ID - no such entry\n", 
				0, 0, 0 );
			if ( !BER_BVISNULL( &r.e_nname ) ) {
				/* FIXME: should always be true! */
				e = &r;

			} else {
				e = NULL;
			}
			goto done;
		}

		e_id = bsi.bsi_base_id;

		rs->sr_err = entry_schema_check( op, &r, NULL, 0,
			&rs->sr_text, textbuf, sizeof( textbuf ) );
		if ( rs->sr_err != LDAP_SUCCESS ) {
			Debug( LDAP_DEBUG_TRACE, "   backsql_add(\"%s\"): "
				"entry failed schema check -- aborting\n",
				r.e_name.bv_val, 0, 0 );
			e = NULL;
			goto done;
		}
	}

done:;
#ifdef SLAP_ACL_HONOR_DISCLOSE
	if ( e != NULL ) {
		if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL,
					ACL_DISCLOSE, NULL ) )
		{
			rs->sr_err = LDAP_NO_SUCH_OBJECT;
			rs->sr_text = NULL;
			rs->sr_matched = NULL;
			if ( rs->sr_ref ) {
				ber_bvarray_free( rs->sr_ref );
				rs->sr_ref = NULL;
			}
		}
	}
#endif /* SLAP_ACL_HONOR_DISCLOSE */

	/*
	 * Commit only if all operations succeed
	 */
	if ( sth != SQL_NULL_HSTMT ) {
		SQLUSMALLINT	CompletionType = SQL_ROLLBACK;
	
		if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
			CompletionType = SQL_COMMIT;
		}

		SQLTransact( SQL_NULL_HENV, dbh, CompletionType );
	}

	if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) {
		rs->sr_err = LDAP_X_NO_OPERATION;
	}

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

	if ( !BER_BVISNULL( &realnew_dn ) && realnew_dn.bv_val != new_dn.bv_val ) {
		ch_free( realnew_dn.bv_val );
	}

	if ( !BER_BVISNULL( &new_dn ) ) {
		slap_sl_free( new_dn.bv_val, op->o_tmpmemctx );
	}
	
	if ( !BER_BVISNULL( &new_ndn ) ) {
		slap_sl_free( new_ndn.bv_val, op->o_tmpmemctx );
	}
	
	/* LDAP v2 supporting correct attribute handling. */
	if ( new_rdn != NULL ) {
		ldap_rdnfree( new_rdn );
	}
	if ( old_rdn != NULL ) {
		ldap_rdnfree( old_rdn );
	}
	if ( mod != NULL ) {
		Modifications *tmp;
		for (; mod; mod = tmp ) {
			tmp = mod->sml_next;
			free( mod );
		}
	}

	if ( !BER_BVISNULL( &e_id.eid_ndn ) ) {
		(void)backsql_free_entryID( op, &e_id, 0 );
	}

	if ( !BER_BVISNULL( &n_id.eid_ndn ) ) {
		(void)backsql_free_entryID( op, &n_id, 0 );
	}

	if ( !BER_BVISNULL( &r.e_nname ) ) {
		backsql_entry_clean( op, &r );
	}

	if ( !BER_BVISNULL( &p.e_nname ) ) {
		backsql_entry_clean( op, &p );
	}

	if ( !BER_BVISNULL( &n.e_nname ) ) {
		backsql_entry_clean( op, &n );
	}

	if ( rs->sr_ref ) {
		ber_bvarray_free( rs->sr_ref );
		rs->sr_ref = NULL;
	}

	Debug( LDAP_DEBUG_TRACE, "<==backsql_modrdn()\n", 0, 0, 0 );

	return rs->sr_err;
}