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6a5f29b60a
Connection, Operation and Backend structures. Ensure that SLAPI_MODIFY_MODS is set to an array of LDAPMods.
249 lines
6.5 KiB
C
249 lines
6.5 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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/*
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* Copyright (c) 1995 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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#include "portable.h"
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#include "slapi_common.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include "ldap_pvt.h"
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#include "slap.h"
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#include "slapi.h"
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int
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do_delete(
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Connection *conn,
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Operation *op
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)
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{
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struct berval dn = { 0, NULL };
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struct berval pdn = { 0, NULL };
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struct berval ndn = { 0, NULL };
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const char *text;
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Backend *be;
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int rc;
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int manageDSAit;
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Slapi_PBlock *pb = op->o_pb;
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, ENTRY,
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"do_delete: conn %d\n", conn->c_connid, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE, "do_delete\n", 0, 0, 0 );
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#endif
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/*
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* Parse the delete request. It looks like this:
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*
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* DelRequest := DistinguishedName
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*/
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if ( ber_scanf( op->o_ber, "m", &dn ) == LBER_ERROR ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, ERR,
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"do_delete: conn: %d ber_scanf failed\n", conn->c_connid, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
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#endif
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send_ldap_disconnect( conn, op,
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LDAP_PROTOCOL_ERROR, "decoding error" );
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return SLAPD_DISCONNECT;
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}
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if( ( rc = get_ctrls( conn, op, 1 ) ) != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, ERR,
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"do_delete: conn %d get_ctrls failed\n", conn->c_connid, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY, "do_delete: get_ctrls failed\n", 0, 0, 0 );
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#endif
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goto cleanup;
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}
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rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
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if( rc != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, INFO,
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"do_delete: conn %d invalid dn (%s)\n",
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conn->c_connid, dn.bv_val, 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"do_delete: invalid dn (%s)\n", dn.bv_val, 0, 0 );
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#endif
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send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
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"invalid DN", NULL, NULL );
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goto cleanup;
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}
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if( ndn.bv_len == 0 ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, INFO,
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"do_delete: conn %d: Attempt to delete root DSE.\n",
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conn->c_connid, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY, "do_delete: root dse!\n", 0, 0, 0 );
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#endif
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/* protocolError would likely be a more appropriate error */
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send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
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NULL, "cannot delete the root DSE", NULL, NULL );
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goto cleanup;
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} else if ( bvmatch( &ndn, &global_schemandn ) ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, INFO, "do_delete: conn %d: "
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"Attempt to delete subschema subentry.\n", conn->c_connid, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY, "do_delete: subschema subentry!\n", 0, 0, 0 );
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#endif
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/* protocolError would likely be a more appropriate error */
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send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
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NULL, "cannot delete the root DSE", NULL, NULL );
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goto cleanup;
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}
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Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu DEL dn=\"%s\"\n",
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op->o_connid, op->o_opid, pdn.bv_val, 0, 0 );
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manageDSAit = get_manageDSAit( op );
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/*
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* We could be serving multiple database backends. Select the
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* appropriate one, or send a referral to our "referral server"
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* if we don't hold it.
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*/
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if ( (be = select_backend( &ndn, manageDSAit, 0 )) == NULL ) {
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BerVarray ref = referral_rewrite( default_referral,
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NULL, &pdn, LDAP_SCOPE_DEFAULT );
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send_ldap_result( conn, op, rc = LDAP_REFERRAL,
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NULL, NULL, ref ? ref : default_referral, NULL );
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ber_bvarray_free( ref );
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goto cleanup;
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}
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/* check restrictions */
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rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
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if( rc != LDAP_SUCCESS ) {
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send_ldap_result( conn, op, rc,
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NULL, text, NULL, NULL );
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goto cleanup;
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}
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/* check for referrals */
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rc = backend_check_referrals( be, conn, op, &pdn, &ndn );
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if ( rc != LDAP_SUCCESS ) {
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goto cleanup;
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}
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/* deref suffix alias if appropriate */
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suffix_alias( be, &ndn );
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#if defined( LDAP_SLAPI )
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slapi_backend_set_pb( pb, be );
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slapi_connection_set_pb( pb, conn );
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slapi_operation_set_pb( pb, op );
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slapi_pblock_set( pb, SLAPI_DELETE_TARGET, (void *)dn.bv_val );
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slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(1) );
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rc = doPluginFNs( be, SLAPI_PLUGIN_PRE_DELETE_FN, pb );
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if ( rc != 0 && rc != LDAP_OTHER ) {
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/*
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* either there is no preOp (delete) plugins
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* or a plugin failed. Just log it
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*
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* FIXME: is this correct?
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*/
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, INFO, "do_delete: delete preOps "
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"failed\n", 0, 0, 0 );
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#else
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Debug (LDAP_DEBUG_TRACE, "do_delete: delete preOps failed.\n",
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0, 0, 0);
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#endif
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}
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#endif /* defined( LDAP_SLAPI ) */
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/*
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* do the delete if 1 && (2 || 3)
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* 1) there is a delete function implemented in this backend;
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* 2) this backend is master for what it holds;
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* 3) it's a replica and the dn supplied is the update_ndn.
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*/
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if ( be->be_delete ) {
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/* do the update here */
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int repl_user = be_isupdate( be, &op->o_ndn );
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#ifndef SLAPD_MULTIMASTER
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if ( !be->be_update_ndn.bv_len || repl_user )
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#endif
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{
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if ( (*be->be_delete)( be, conn, op, &pdn, &ndn ) == 0 ) {
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#ifdef SLAPD_MULTIMASTER
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if ( !be->be_update_ndn.bv_len || !repl_user )
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#endif
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{
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replog( be, op, &pdn, &ndn, NULL );
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}
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}
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#ifndef SLAPD_MULTIMASTER
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} else {
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BerVarray defref = be->be_update_refs
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? be->be_update_refs : default_referral;
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BerVarray ref = referral_rewrite( default_referral,
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NULL, &pdn, LDAP_SCOPE_DEFAULT );
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send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
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ref ? ref : defref, NULL );
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ber_bvarray_free( ref );
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#endif
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}
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} else {
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send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
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NULL, "operation not supported within namingContext", NULL, NULL );
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}
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#if defined( LDAP_SLAPI )
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rc = doPluginFNs( be, SLAPI_PLUGIN_POST_DELETE_FN, pb );
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if ( rc != 0 && rc != LDAP_OTHER ) {
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/*
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* either there is no postOp (delete) plugins
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* or a plugin failed. Just log it
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*
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* FIXME: is this correct?
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*/
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, INFO, "do_delete: delete postOps "
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"failed\n", 0, 0, 0 );
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#else
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Debug(LDAP_DEBUG_TRACE, "do_delete: delete postOps "
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"failed.\n", 0, 0, 0);
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#endif
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}
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#endif /* defined( LDAP_SLAPI ) */
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cleanup:
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free( pdn.bv_val );
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free( ndn.bv_val );
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return rc;
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}
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