openldap/servers/slapd/modrdn.c
Luke Howard 0650e6ad52 Allow plugin to retrieve desired attribute list and state of manageDSAit control
Support search preop/rewrite/postop plugins for root DSE and subschema
2003-01-23 08:45:28 +00:00

579 lines
15 KiB
C

/* $OpenLDAP$ */
/*
* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/*
* 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.
*/
/*
* LDAP v3 newSuperior support.
*
* 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.
*
*/
#include "portable.h"
#include "slapi_common.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "ldap_pvt.h"
#include "slap.h"
#include "slapi.h"
int
do_modrdn(
Connection *conn,
Operation *op
)
{
struct berval dn = { 0, NULL };
struct berval newrdn = { 0, NULL };
struct berval newSuperior = { 0, NULL };
ber_int_t deloldrdn;
struct berval pdn = { 0, NULL };
struct berval pnewrdn = { 0, NULL };
struct berval pnewSuperior = { 0, NULL }, *pnewS = NULL;
struct berval ndn = { 0, NULL };
struct berval nnewrdn = { 0, NULL };
struct berval nnewSuperior = { 0, NULL }, *nnewS = NULL;
Backend *be;
Backend *newSuperior_be = NULL;
ber_len_t length;
int rc;
const char *text;
int manageDSAit;
Slapi_PBlock *pb = op->o_pb;
#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_disconnect( conn, op,
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_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
rc = 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_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
rc = SLAPD_DISCONNECT;
goto cleanup;
}
pnewS = &pnewSuperior;
nnewS = &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_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
rc = SLAPD_DISCONNECT;
goto cleanup;
}
if( (rc = get_ctrls( conn, op, 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;
}
rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
"do_modrdn: conn %d invalid dn (%s)\n",
conn->c_connid, dn.bv_val, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"do_modrdn: invalid dn (%s)\n", dn.bv_val, 0, 0 );
#endif
send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
"invalid DN", NULL, NULL );
goto cleanup;
}
if( 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_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "cannot rename the root DSE", NULL, NULL );
goto cleanup;
} else if ( bvmatch( &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_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "cannot rename subschema subentry", NULL, NULL );
goto cleanup;
}
/* FIXME: should have/use rdnPretty / rdnNormalize routines */
rc = dnPrettyNormal( NULL, &newrdn, &pnewrdn, &nnewrdn );
if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
"do_modrdn: conn %d invalid newrdn (%s)\n",
conn->c_connid, newrdn.bv_val, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"do_modrdn: invalid newrdn (%s)\n", newrdn.bv_val, 0, 0 );
#endif
send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
"invalid new RDN", NULL, NULL );
goto cleanup;
}
if( rdnValidate( &pnewrdn ) != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_modrdn: invalid rdn (%s).\n", pnewrdn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n",
pnewrdn.bv_val, 0, 0 );
#endif
send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
"invalid new RDN", NULL, NULL );
goto cleanup;
}
if( pnewS ) {
rc = dnPrettyNormal( NULL, &newSuperior, &pnewSuperior,
&nnewSuperior );
if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
"do_modrdn: conn %d invalid newSuperior (%s)\n",
conn->c_connid, newSuperior.bv_val, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"do_modrdn: invalid newSuperior (%s)\n",
newSuperior.bv_val, 0, 0 );
#endif
send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
"invalid newSuperior", NULL, NULL );
goto cleanup;
}
}
Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MODRDN dn=\"%s\"\n",
op->o_connid, op->o_opid, pdn.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.
*/
if ( (be = select_backend( &ndn, manageDSAit, 0 )) == NULL ) {
BerVarray ref = referral_rewrite( default_referral,
NULL, &pdn, LDAP_SCOPE_DEFAULT );
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
NULL, NULL, ref ? ref : default_referral, NULL );
ber_bvarray_free( ref );
goto cleanup;
}
/* check restrictions */
rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto cleanup;
}
/* check for referrals */
rc = backend_check_referrals( be, conn, op, &pdn, &ndn );
if ( rc != 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( pnewS ) {
newSuperior_be = select_backend( &nnewSuperior, 0, 0 );
if ( newSuperior_be != be ) {
/* newSuperior is in same backend */
rc = LDAP_AFFECTS_MULTIPLE_DSAS;
send_ldap_result( conn, op, rc,
NULL, "cannot rename between DSAa", NULL, NULL );
goto cleanup;
}
/* deref suffix alias if appropriate */
suffix_alias( be, &nnewSuperior );
}
/* deref suffix alias if appropriate */
suffix_alias( be, &ndn );
#if defined( LDAP_SLAPI )
slapi_x_backend_set_pb( pb, be );
slapi_x_connection_set_pb( pb, conn );
slapi_x_operation_set_pb( 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 );
rc = doPluginFNs( be, SLAPI_PLUGIN_PRE_MODRDN_FN, pb );
if ( rc != 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 *)&rc ) != 0)
rc = LDAP_OTHER;
goto cleanup;
}
#endif /* defined( LDAP_SLAPI ) */
/*
* do the add if 1 && (2 || 3)
* 1) there is an add 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 ( be->be_modrdn ) {
/* do the update here */
int repl_user = be_isupdate( be, &op->o_ndn );
#ifndef SLAPD_MULTIMASTER
if ( !be->be_update_ndn.bv_len || repl_user )
#endif
{
if ( (*be->be_modrdn)( be, conn, op, &pdn, &ndn,
&pnewrdn, &nnewrdn, deloldrdn,
pnewS, nnewS ) == 0
#ifdef SLAPD_MULTIMASTER
&& ( !be->be_update_ndn.bv_len || !repl_user )
#endif
) {
struct slap_replog_moddn moddn;
moddn.newrdn = &pnewrdn;
moddn.deloldrdn = deloldrdn;
moddn.newsup = &pnewSuperior;
replog( be, op, &pdn, &ndn, &moddn );
}
#ifndef SLAPD_MULTIMASTER
} else {
BerVarray defref = be->be_update_refs
? be->be_update_refs : default_referral;
BerVarray ref = referral_rewrite( defref,
NULL, &pdn, LDAP_SCOPE_DEFAULT );
send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
ref ? ref : defref, NULL );
ber_bvarray_free( ref );
#endif
}
} else {
send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "operation not supported within namingContext",
NULL, NULL );
}
#if defined( LDAP_SLAPI )
if ( doPluginFNs( be, 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:
free( pdn.bv_val );
free( ndn.bv_val );
free( pnewrdn.bv_val );
free( nnewrdn.bv_val );
if ( pnewSuperior.bv_val ) free( pnewSuperior.bv_val );
if ( nnewSuperior.bv_val ) free( nnewSuperior.bv_val );
return rc;
}
int
slap_modrdn2mods(
Backend *be,
Connection *conn,
Operation *op,
Entry *e,
LDAPRDN *old_rdn,
LDAPRDN *new_rdn,
int deleteoldrdn,
Modifications **pmod )
{
int rc = LDAP_SUCCESS;
const char *text;
Modifications *mod = NULL;
int a_cnt, d_cnt;
assert( new_rdn != NULL );
assert( !deleteoldrdn || old_rdn != NULL );
/* Add new attribute values to the entry */
for ( a_cnt = 0; new_rdn[ 0 ][ a_cnt ]; a_cnt++ ) {
AttributeDescription *desc = NULL;
Modifications *mod_tmp;
rc = slap_bv2ad( &new_rdn[ 0 ][ a_cnt ]->la_attr,
&desc, &text );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"slap_modrdn2modlist: %s: %s (new)\n",
text,
new_rdn[ 0 ][ a_cnt ]->la_attr.bv_val, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"slap_modrdn2modlist: %s: %s (new)\n",
text,
new_rdn[ 0 ][ a_cnt ]->la_attr.bv_val, 0 );
#endif
goto done;
}
/* ACL check of newly added attrs */
if ( be && !access_allowed( be, conn, op, e, desc,
&new_rdn[ 0 ][ 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[ 0 ][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[ 0 ][ a_cnt ]->la_attr.bv_val, 0, 0 );
#endif
rc = LDAP_INSUFFICIENT_ACCESS;
goto done;
}
/* Apply modification */
mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
+ 2 * sizeof( struct berval ) );
mod_tmp->sml_desc = desc;
mod_tmp->sml_bvalues = ( BerVarray )( mod_tmp + 1 );
mod_tmp->sml_bvalues[ 0 ] = new_rdn[ 0 ][ a_cnt ]->la_value;
mod_tmp->sml_bvalues[ 1 ].bv_val = NULL;
mod_tmp->sml_op = SLAP_MOD_SOFTADD;
mod_tmp->sml_next = mod;
mod = mod_tmp;
}
/* Remove old rdn value if required */
if ( deleteoldrdn ) {
for ( d_cnt = 0; old_rdn[ 0 ][ d_cnt ]; d_cnt++ ) {
AttributeDescription *desc = NULL;
Modifications *mod_tmp;
rc = slap_bv2ad( &old_rdn[ 0 ][ d_cnt ]->la_attr,
&desc, &text );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"slap_modrdn2modlist: %s: %s (old)\n",
text,
old_rdn[ 0 ][ d_cnt ]->la_attr.bv_val,
0 );
#else
Debug( LDAP_DEBUG_TRACE,
"slap_modrdn2modlist: %s: %s (old)\n",
text,
old_rdn[ 0 ][ d_cnt ]->la_attr.bv_val,
0 );
#endif
goto done;
}
/* ACL check of newly added attrs */
if ( be && !access_allowed( be, conn, op, e, desc,
&old_rdn[ 0 ][ 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[ 0 ][ 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[ 0 ][ d_cnt ]->la_attr.bv_val,
0, 0 );
#endif
rc = LDAP_INSUFFICIENT_ACCESS;
goto done;
}
/* Apply modification */
mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
+ 2 * sizeof ( struct berval ) );
mod_tmp->sml_desc = desc;
mod_tmp->sml_bvalues = ( BerVarray )(mod_tmp+1);
mod_tmp->sml_bvalues[ 0 ]
= old_rdn[ 0 ][ d_cnt ]->la_value;
mod_tmp->sml_bvalues[ 1 ].bv_val = NULL;
mod_tmp->sml_op = LDAP_MOD_DELETE;
mod_tmp->sml_next = mod;
mod = mod_tmp;
}
}
done:
/* LDAP v2 supporting correct attribute handling. */
if ( rc != LDAP_SUCCESS && mod != NULL ) {
Modifications *tmp;
for ( ; mod; mod = tmp ) {
tmp = mod->sml_next;
ch_free( mod );
}
}
*pmod = mod;
return rc;
}