/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software .
*
* Copyright 1998-2004 The OpenLDAP Foundation.
* 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
* .
*/
/* Portions Copyright 1999, Juan C. Gomez, All rights reserved.
* This software is not subject to any license of Silicon Graphics
* Inc. or Purdue University.
*
* Redistribution and use in source and binary forms are permitted
* without restriction or fee of any kind as long as this notice
* is preserved.
*/
/* Portions Copyright (c) 1995 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
#include "portable.h"
#include
#include
#include
#include "ldap_pvt.h"
#include "slap.h"
#ifdef LDAP_SLAPI
#include "slapi/slapi.h"
#endif
int
do_modrdn(
Operation *op,
SlapReply *rs
)
{
struct berval dn = BER_BVNULL;
struct berval newrdn = BER_BVNULL;
struct berval newSuperior = BER_BVNULL;
ber_int_t deloldrdn;
struct berval pnewSuperior = BER_BVNULL;
struct berval nnewSuperior = BER_BVNULL;
Backend *newSuperior_be = NULL;
ber_len_t length;
int manageDSAit;
struct berval pdn = BER_BVNULL;
struct berval org_req_dn = BER_BVNULL;
struct berval org_req_ndn = BER_BVNULL;
struct berval org_dn = BER_BVNULL;
struct berval org_ndn = BER_BVNULL;
int org_managedsait;
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY, "do_modrdn: begin\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
#endif
/*
* Parse the modrdn request. It looks like this:
*
* ModifyRDNRequest := SEQUENCE {
* entry DistinguishedName,
* newrdn RelativeDistinguishedName
* deleteoldrdn BOOLEAN,
* newSuperior [0] LDAPDN OPTIONAL (v3 Only!)
* }
*/
if ( ber_scanf( op->o_ber, "{mmb", &dn, &newrdn, &deloldrdn )
== LBER_ERROR )
{
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
#endif
send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
return SLAPD_DISCONNECT;
}
/* Check for newSuperior parameter, if present scan it */
if ( ber_peek_tag( op->o_ber, &length ) == LDAP_TAG_NEWSUPERIOR ) {
if ( op->o_protocol < LDAP_VERSION3 ) {
/* Conection record indicates v2 but field
* newSuperior is present: report error.
*/
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_modrdn: (v2) invalid field newSuperior.\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"modrdn(v2): invalid field newSuperior!\n",
0, 0, 0 );
#endif
send_ldap_discon( op, rs,
LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
rs->sr_err = SLAPD_DISCONNECT;
goto cleanup;
}
if ( ber_scanf( op->o_ber, "m", &newSuperior )
== LBER_ERROR ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_modrdn: ber_scanf(\"m\") failed\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "ber_scanf(\"m\") failed\n",
0, 0, 0 );
#endif
send_ldap_discon( op, rs,
LDAP_PROTOCOL_ERROR, "decoding error" );
rs->sr_err = SLAPD_DISCONNECT;
goto cleanup;
}
op->orr_newSup = &pnewSuperior;
op->orr_nnewSup = &nnewSuperior;
}
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ARGS,
"do_modrdn: dn (%s) newrdn (%s) newsuperior(%s)\n",
dn.bv_val, newrdn.bv_val,
newSuperior.bv_len ? newSuperior.bv_val : "" );
#else
Debug( LDAP_DEBUG_ARGS,
"do_modrdn: dn (%s) newrdn (%s) newsuperior (%s)\n",
dn.bv_val, newrdn.bv_val,
newSuperior.bv_len ? newSuperior.bv_val : "" );
#endif
if ( ber_scanf( op->o_ber, /*{*/ "}") == LBER_ERROR ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
#endif
send_ldap_discon( op, rs,
LDAP_PROTOCOL_ERROR, "decoding error" );
rs->sr_err = SLAPD_DISCONNECT;
goto cleanup;
}
if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
#endif
/* get_ctrls has sent results. Now clean up. */
goto cleanup;
}
rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
if( rs->sr_err != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
"do_modrdn: conn %d invalid dn (%s)\n",
op->o_connid, dn.bv_val, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"do_modrdn: invalid dn (%s)\n", dn.bv_val, 0, 0 );
#endif
send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
goto cleanup;
}
if( op->o_req_ndn.bv_len == 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_modrdn: attempt to modify root DSE.\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_modrdn: root dse!\n", 0, 0, 0 );
#endif
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"cannot rename the root DSE" );
goto cleanup;
} else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_modrdn: attempt to modify subschema subentry: %s (%ld)\n",
global_schemandn.bv_val, (long) global_schemandn.bv_len, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_modrdn: subschema subentry: %s (%ld)\n",
global_schemandn.bv_val, (long) global_schemandn.bv_len, 0 );
#endif
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"cannot rename subschema subentry" );
goto cleanup;
}
/* FIXME: should have/use rdnPretty / rdnNormalize routines */
rs->sr_err = dnPrettyNormal( NULL, &newrdn, &op->orr_newrdn, &op->orr_nnewrdn, op->o_tmpmemctx );
if( rs->sr_err != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
"do_modrdn: conn %d invalid newrdn (%s)\n",
op->o_connid, newrdn.bv_val, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"do_modrdn: invalid newrdn (%s)\n", newrdn.bv_val, 0, 0 );
#endif
send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid new RDN" );
goto cleanup;
}
if( rdnValidate( &op->orr_newrdn ) != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_modrdn: invalid rdn (%s).\n", op->orr_newrdn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n",
op->orr_newrdn.bv_val, 0, 0 );
#endif
send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid new RDN" );
goto cleanup;
}
if( op->orr_newSup ) {
rs->sr_err = dnPrettyNormal( NULL, &newSuperior, &pnewSuperior,
&nnewSuperior, op->o_tmpmemctx );
if( rs->sr_err != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
"do_modrdn: conn %d invalid newSuperior (%s)\n",
op->o_connid, newSuperior.bv_val, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"do_modrdn: invalid newSuperior (%s)\n",
newSuperior.bv_val, 0, 0 );
#endif
send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid newSuperior" );
goto cleanup;
}
}
Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MODRDN dn=\"%s\"\n",
op->o_connid, op->o_opid, op->o_req_dn.bv_val, 0, 0 );
manageDSAit = get_manageDSAit( op );
/*
* We could be serving multiple database backends. Select the
* appropriate one, or send a referral to our "referral server"
* if we don't hold it.
*/
op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
if ( op->o_bd == NULL ) {
rs->sr_ref = referral_rewrite( default_referral,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
if (!rs->sr_ref) rs->sr_ref = default_referral;
if ( rs->sr_ref != NULL ) {
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"no global superior knowledge" );
}
goto cleanup;
}
/* check restrictions */
if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
/* check for referrals */
if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
goto cleanup;
}
/* Make sure that the entry being changed and the newSuperior are in
* the same backend, otherwise we return an error.
*/
if( op->orr_newSup ) {
newSuperior_be = select_backend( &nnewSuperior, 0, 0 );
if ( newSuperior_be != op->o_bd ) {
/* newSuperior is in different backend */
send_ldap_error( op, rs, LDAP_AFFECTS_MULTIPLE_DSAS,
"cannot rename between DSAs" );
goto cleanup;
}
}
#if defined( LDAP_SLAPI )
#define pb op->o_pb
if ( pb ) {
slapi_int_pblock_set_operation( pb, op );
slapi_pblock_set( pb, SLAPI_MODRDN_TARGET, (void *)dn.bv_val );
slapi_pblock_set( pb, SLAPI_MODRDN_NEWRDN, (void *)newrdn.bv_val );
slapi_pblock_set( pb, SLAPI_MODRDN_NEWSUPERIOR,
(void *)newSuperior.bv_val );
slapi_pblock_set( pb, SLAPI_MODRDN_DELOLDRDN, (void *)deloldrdn );
slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
rs->sr_err = slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_PRE_MODRDN_FN, pb );
if ( rs->sr_err < 0 ) {
/*
* A preoperation plugin failure will abort the
* entire operation.
*/
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO, "do_modrdn: modrdn preoperation plugin "
"failed\n", 0, 0, 0 );
#else
Debug(LDAP_DEBUG_TRACE, "do_modrdn: modrdn preoperation plugin "
"failed.\n", 0, 0, 0);
#endif
if ( ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&rs->sr_err ) != 0 ) ||
rs->sr_err == LDAP_SUCCESS ) {
rs->sr_err = LDAP_OTHER;
}
goto cleanup;
}
}
#endif /* defined( LDAP_SLAPI ) */
/*
* do the modrdn if 1 && (2 || 3)
* 1) there is a modrdn function implemented in this backend;
* 2) this backend is master for what it holds;
* 3) it's a replica and the dn supplied is the update_ndn.
*/
if ( op->o_bd->be_modrdn ) {
/* do the update here */
int repl_user = be_isupdate( op );
#ifndef SLAPD_MULTIMASTER
if ( !SLAP_SHADOW(op->o_bd) || repl_user )
#endif
{
slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
op->orr_deleteoldrdn = deloldrdn;
#ifdef SLAPD_MULTIMASTER
if ( !op->o_bd->be_update_ndn.bv_len || !repl_user )
#endif
{
cb.sc_next = op->o_callback;
op->o_callback = &cb;
}
op->o_bd->be_modrdn( op, rs );
if ( op->o_bd->be_delete ) {
org_req_dn = op->o_req_dn;
org_req_ndn = op->o_req_ndn;
org_dn = op->o_dn;
org_ndn = op->o_ndn;
org_managedsait = get_manageDSAit( op );
op->o_dn = op->o_bd->be_rootdn;
op->o_ndn = op->o_bd->be_rootndn;
op->o_managedsait = 1;
while ( rs->sr_err == LDAP_SUCCESS &&
op->o_delete_glue_parent ) {
op->o_delete_glue_parent = 0;
if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
slap_callback cb = { NULL };
cb.sc_response = slap_null_cb;
dnParent( &op->o_req_ndn, &pdn );
op->o_req_dn = pdn;
op->o_req_ndn = pdn;
op->o_callback = &cb;
op->o_bd->be_delete( op, rs );
} else {
break;
}
}
op->o_managedsait = org_managedsait;
op->o_dn = org_dn;
op->o_ndn = org_ndn;
op->o_req_dn = org_req_dn;
op->o_req_ndn = org_req_ndn;
op->o_delete_glue_parent = 0;
}
#ifndef SLAPD_MULTIMASTER
} else {
BerVarray defref = op->o_bd->be_update_refs
? op->o_bd->be_update_refs : default_referral;
if ( defref != NULL ) {
rs->sr_ref = referral_rewrite( defref,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
if (!rs->sr_ref) rs->sr_ref = defref;
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"shadow context; no update referral" );
}
#endif
}
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"operation not supported within namingContext" );
}
#if defined( LDAP_SLAPI )
if ( pb != NULL && slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_POST_MODRDN_FN, pb ) < 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO, "do_modrdn: modrdn postoperation plugins "
"failed\n", 0, 0, 0 );
#else
Debug(LDAP_DEBUG_TRACE, "do_modrdn: modrdn postoperation plugins "
"failed.\n", 0, 0, 0);
#endif
}
#endif /* defined( LDAP_SLAPI ) */
cleanup:
slap_graduate_commit_csn( op );
op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx );
op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx );
if ( pnewSuperior.bv_val ) op->o_tmpfree( pnewSuperior.bv_val, op->o_tmpmemctx );
if ( nnewSuperior.bv_val ) op->o_tmpfree( nnewSuperior.bv_val, op->o_tmpmemctx );
return rs->sr_err;
}
int
slap_modrdn2mods(
Operation *op,
SlapReply *rs,
Entry *e,
LDAPRDN old_rdn,
LDAPRDN new_rdn,
Modifications **pmod )
{
Modifications *mod = NULL;
Modifications **modtail = &mod;
int a_cnt, d_cnt;
int repl_user;
assert( new_rdn != NULL );
assert( !op->orr_deleteoldrdn || old_rdn != NULL );
repl_user = be_isupdate( op );
/* Add new attribute values to the entry */
for ( a_cnt = 0; new_rdn[a_cnt]; a_cnt++ ) {
AttributeDescription *desc = NULL;
Modifications *mod_tmp;
rs->sr_err = slap_bv2ad( &new_rdn[a_cnt]->la_attr, &desc, &rs->sr_text );
if ( rs->sr_err != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"slap_modrdn2modlist: %s: %s (new)\n",
rs->sr_text,
new_rdn[ a_cnt ]->la_attr.bv_val, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"slap_modrdn2modlist: %s: %s (new)\n",
rs->sr_text,
new_rdn[ a_cnt ]->la_attr.bv_val, 0 );
#endif
goto done;
}
/* ACL check of newly added attrs */
if ( op->o_bd && !access_allowed( op, e, desc,
&new_rdn[a_cnt]->la_value, ACL_WRITE, NULL ) ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"slap_modrdn2modlist: access to attr \"%s\" "
"(new) not allowed\n",
new_rdn[a_cnt]->la_attr.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"slap_modrdn2modlist: access to attr \"%s\" "
"(new) not allowed\n",
new_rdn[ a_cnt ]->la_attr.bv_val, 0, 0 );
#endif
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
goto done;
}
/* Apply modification */
mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
+ 4 * sizeof( struct berval ) );
mod_tmp->sml_desc = desc;
mod_tmp->sml_values = ( BerVarray )( mod_tmp + 1 );
mod_tmp->sml_values[0] = new_rdn[a_cnt]->la_value;
mod_tmp->sml_values[1].bv_val = NULL;
if( desc->ad_type->sat_equality->smr_normalize) {
mod_tmp->sml_nvalues = &mod_tmp->sml_values[2];
(void) (*desc->ad_type->sat_equality->smr_normalize)(
SLAP_MR_EQUALITY|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
desc->ad_type->sat_syntax,
desc->ad_type->sat_equality,
&mod_tmp->sml_values[0],
&mod_tmp->sml_nvalues[0], op->o_tmpmemctx );
mod_tmp->sml_nvalues[1].bv_val = NULL;
} else {
mod_tmp->sml_nvalues = NULL;
}
mod_tmp->sml_op = SLAP_MOD_SOFTADD;
mod_tmp->sml_next = mod;
mod = mod_tmp;
}
/* Remove old rdn value if required */
if ( op->orr_deleteoldrdn ) {
for ( d_cnt = 0; old_rdn[d_cnt]; d_cnt++ ) {
AttributeDescription *desc = NULL;
Modifications *mod_tmp;
rs->sr_err = slap_bv2ad( &old_rdn[d_cnt]->la_attr, &desc, &rs->sr_text );
if ( rs->sr_err != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"slap_modrdn2modlist: %s: %s (old)\n",
rs->sr_text,
old_rdn[d_cnt]->la_attr.bv_val,
0 );
#else
Debug( LDAP_DEBUG_TRACE,
"slap_modrdn2modlist: %s: %s (old)\n",
rs->sr_text,
old_rdn[d_cnt]->la_attr.bv_val,
0 );
#endif
goto done;
}
/* ACL check of newly added attrs */
if ( op->o_bd && !access_allowed( op, e, desc,
&old_rdn[d_cnt]->la_value, ACL_WRITE,
NULL ) ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"slap_modrdn2modlist: access "
"to attr \"%s\" (old) not allowed\n",
old_rdn[ d_cnt ]->la_attr.bv_val,
0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"slap_modrdn2modlist: access "
"to attr \"%s\" (old) not allowed\n",
old_rdn[ d_cnt ]->la_attr.bv_val,
0, 0 );
#endif
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
goto done;
}
/* Apply modification */
mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
+ 4 * sizeof ( struct berval ) );
mod_tmp->sml_desc = desc;
mod_tmp->sml_values = ( BerVarray )(mod_tmp+1);
mod_tmp->sml_values[0] = old_rdn[d_cnt]->la_value;
mod_tmp->sml_values[1].bv_val = NULL;
if( desc->ad_type->sat_equality->smr_normalize) {
mod_tmp->sml_nvalues = &mod_tmp->sml_values[2];
(void) (*desc->ad_type->sat_equality->smr_normalize)(
SLAP_MR_EQUALITY|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
desc->ad_type->sat_syntax,
desc->ad_type->sat_equality,
&mod_tmp->sml_values[0],
&mod_tmp->sml_nvalues[0], op->o_tmpmemctx );
mod_tmp->sml_nvalues[1].bv_val = NULL;
} else {
mod_tmp->sml_nvalues = NULL;
}
mod_tmp->sml_op = LDAP_MOD_DELETE;
mod_tmp->sml_next = mod;
mod = mod_tmp;
}
}
done:
if ( !repl_user ) {
char textbuf[ SLAP_TEXT_BUFLEN ];
size_t textlen = sizeof textbuf;
for( modtail = &mod;
*modtail != NULL;
modtail = &(*modtail)->sml_next )
{
/* empty */
}
rs->sr_err = slap_mods_opattrs( op, mod, modtail, &rs->sr_text, textbuf, textlen );
}
/* LDAP v2 supporting correct attribute handling. */
if ( rs->sr_err != LDAP_SUCCESS && mod != NULL ) {
Modifications *tmp;
for ( ; mod; mod = tmp ) {
tmp = mod->sml_next;
ch_free( mod );
}
}
*pmod = mod;
return rs->sr_err;
}