mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
256 lines
6.8 KiB
C
256 lines
6.8 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1998-1999 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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/*
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* LDAP v3 newSuperior support.
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*
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* Copyright 1999, Juan C. Gomez, All rights reserved.
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* This software is not subject to any license of Silicon Graphics
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* Inc. or Purdue University.
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*
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* Redistribution and use in source and binary forms are permitted
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* without restriction or fee of any kind as long as this notice
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* is preserved.
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*
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include "ldap_pvt.h"
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#include "slap.h"
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int
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do_modrdn(
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Connection *conn,
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Operation *op
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)
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{
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char *dn, *ndn = NULL, *newrdn;
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ber_int_t deloldrdn;
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Backend *be;
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/* Vars for LDAP v3 newSuperior support */
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char *newSuperior = NULL;
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char *nnewSuperior = NULL;
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Backend *newSuperior_be = NULL;
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ber_len_t length;
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int rc;
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char *text;
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Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
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/*
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* Parse the modrdn request. It looks like this:
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*
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* ModifyRDNRequest := SEQUENCE {
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* entry DistinguishedName,
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* newrdn RelativeDistinguishedName
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* deleteoldrdn BOOLEAN,
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* newSuperior [0] LDAPDN OPTIONAL (v3 Only!)
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* }
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*/
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if ( ber_scanf( op->o_ber, "{aab", &dn, &newrdn, &deloldrdn )
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== LBER_ERROR ) {
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Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
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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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/* Check for newSuperior parameter, if present scan it */
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if ( ber_peek_tag( op->o_ber, &length ) == LDAP_TAG_NEWSUPERIOR ) {
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if ( op->o_protocol < LDAP_VERSION3 ) {
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/* Conection record indicates v2 but field
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* newSuperior is present: report error.
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*/
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Debug( LDAP_DEBUG_ANY,
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"modrdn(v2): invalid field newSuperior!\n",
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0, 0, 0 );
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send_ldap_disconnect( conn, op,
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LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
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rc = SLAPD_DISCONNECT;
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goto cleanup;
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}
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if ( ber_scanf( op->o_ber, "a", &newSuperior )
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== LBER_ERROR ) {
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Debug( LDAP_DEBUG_ANY, "ber_scanf(\"a\") failed\n",
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0, 0, 0 );
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send_ldap_disconnect( conn, op,
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LDAP_PROTOCOL_ERROR, "decoding error" );
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rc = SLAPD_DISCONNECT;
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goto cleanup;
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}
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nnewSuperior = ch_strdup( newSuperior );
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if( dn_normalize( nnewSuperior ) == NULL ) {
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Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid new superior (%s)\n",
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newSuperior, 0, 0 );
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send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
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"invalid new superior DN", NULL, NULL );
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goto cleanup;
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}
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}
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Debug( LDAP_DEBUG_ARGS,
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"do_modrdn: dn (%s) newrdn (%s) newsuperior (%s)\n",
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dn, newrdn,
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newSuperior != NULL ? newSuperior : "" );
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if ( ber_scanf( op->o_ber, /*{*/ "}") == LBER_ERROR ) {
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Debug( LDAP_DEBUG_ANY, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
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send_ldap_disconnect( conn, op,
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LDAP_PROTOCOL_ERROR, "decoding error" );
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rc = SLAPD_DISCONNECT;
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goto cleanup;
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}
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if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_ANY, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
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/* get_ctrls has sent results. Now clean up. */
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goto cleanup;
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}
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ndn = ch_strdup( dn );
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if( dn_normalize( ndn ) == NULL ) {
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Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid dn (%s)\n", dn, 0, 0 );
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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( !rdn_validate( newrdn ) ) {
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Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n", newrdn, 0, 0 );
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send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
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"invalid RDN", NULL, NULL );
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goto cleanup;
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}
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Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d MODRDN dn=\"%s\"\n",
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op->o_connid, op->o_opid, dn, 0, 0 );
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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 )) == NULL ) {
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send_ldap_result( conn, op, rc = LDAP_REFERRAL,
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NULL, NULL, default_referral, NULL );
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goto cleanup;
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}
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/* make sure this backend recongizes critical controls */
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rc = backend_check_controls( be, conn, op, &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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if ( global_readonly || be->be_readonly ) {
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Debug( LDAP_DEBUG_ANY, "do_modrdn: database is read-only\n",
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0, 0, 0 );
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send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
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NULL, "database is read-only", NULL, NULL );
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goto cleanup;
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}
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/* Make sure that the entry being changed and the newSuperior are in
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* the same backend, otherwise we return an error.
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*/
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if( newSuperior != NULL ) {
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newSuperior_be = select_backend( nnewSuperior );
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if ( newSuperior_be != be ) {
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/* newSuperior is in same backend */
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rc = LDAP_AFFECTS_MULTIPLE_DSAS;
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send_ldap_result( conn, op, rc,
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NULL, "cannot rename between DSAa", NULL, NULL );
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goto cleanup;
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}
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/* deref suffix alias if appropriate */
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nnewSuperior = suffix_alias( be, nnewSuperior );
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}
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/* deref suffix alias if appropriate */
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ndn = suffix_alias( be, ndn );
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/*
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* do the add if 1 && (2 || 3)
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* 1) there is an add 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_modrdn ) {
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/* do the update here */
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#ifndef SLAPD_MULTIMASTER
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if ( be->be_update_ndn == NULL ||
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strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
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#endif
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{
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if ( (*be->be_modrdn)( be, conn, op, dn, ndn, newrdn,
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deloldrdn, newSuperior ) == 0
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#ifdef SLAPD_MULTIMASTER
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&& ( be->be_update_ndn == NULL ||
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strcmp( be->be_update_ndn, op->o_ndn ) )
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#endif
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) {
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struct replog_moddn moddn;
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moddn.newrdn = newrdn;
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moddn.deloldrdn = deloldrdn;
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moddn.newsup = newSuperior;
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replog( be, op, dn, &moddn );
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}
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#ifndef SLAPD_MULTIMASTER
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} else {
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send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
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be->be_update_refs ? be->be_update_refs : default_referral, NULL );
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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, "modrdn/moddn function not implemented", NULL, NULL );
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}
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cleanup:
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free( dn );
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if( ndn != NULL ) free( ndn );
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free( newrdn );
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if ( newSuperior != NULL )
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free( newSuperior );
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if ( nnewSuperior != NULL )
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free( nnewSuperior );
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return rc;
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}
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