/* delete.c - ldbm backend delete routine */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2005 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
+ * <http://www.OpenLDAP.org/license.html>.
+ */
#include "portable.h"
int
ldbm_back_delete(
- Backend *be,
- Connection *conn,
Operation *op,
- char *dn
-)
+ SlapReply *rs )
{
- struct ldbminfo *li = (struct ldbminfo *) be->be_private;
- char *matched;
- char *pdn = NULL;
- Entry *e, *p;
+ struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
+ Entry *matched;
+ struct berval pdn;
+ Entry *e, *p = NULL;
+ int rc = -1;
+ int manageDSAit = get_manageDSAit( op );
+ AttributeDescription *children = slap_schema.si_ad_children;
+ AttributeDescription *entry = slap_schema.si_ad_entry;
- Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_delete: %s\n", dn, 0, 0);
+ Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_delete: %s\n", op->o_req_dn.bv_val, 0, 0);
+
+ /* grab giant lock for writing */
+ ldap_pvt_thread_rdwr_wlock(&li->li_giant_rwlock);
/* get entry with writer lock */
- if ( (e = dn2entry_w( be, dn, &matched )) == NULL ) {
+ e = dn2entry_w( op->o_bd, &op->o_req_ndn, &matched );
+
+ /* FIXME : dn2entry() should return non-glue entry */
+ if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: no such object %s\n",
- dn, 0, 0);
- send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched, "" );
+ op->o_req_dn.bv_val, 0, 0);
+
if ( matched != NULL ) {
- free( matched );
+ rs->sr_matched = ch_strdup( matched->e_dn );
+ rs->sr_ref = is_entry_referral( matched )
+ ? get_entry_referrals( op, matched )
+ : NULL;
+ cache_return_entry_r( &li->li_cache, matched );
+
+ } else {
+ rs->sr_ref = referral_rewrite( default_referral, NULL,
+ &op->o_req_dn, LDAP_SCOPE_DEFAULT );
}
+
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+
+ rs->sr_err = LDAP_REFERRAL;
+ send_ldap_result( op, rs );
+
+ if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
+ free( (char *)rs->sr_matched );
+ rs->sr_ref = NULL;
+ rs->sr_matched = NULL;
return( -1 );
}
- Debug (LDAP_DEBUG_TRACE,
- "rdwr_Xchk: readers_reading: %d writer_writing: %d\n",
- e->e_rdwr.readers_reading, e->e_rdwr.writer_writing, 0);
+ /* check entry for "entry" acl */
+ if ( ! access_allowed( op, e, entry, NULL, ACL_WDEL, NULL ) )
+ {
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- ldbm_back_delete: no write access to entry\n", 0,
+ 0, 0 );
- /* check for deleted */
+ send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
+ "no write access to entry" );
- if ( has_children( be, e ) ) {
- Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: non leaf %s\n",
- dn, 0, 0);
- send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF, "",
- "" );
- goto error_return;
+ rc = LDAP_INSUFFICIENT_ACCESS;
+ goto return_results;
}
- if ( ! access_allowed( be, conn, op, e, "entry", NULL, op->o_dn,
- ACL_WRITE ) ) {
- Debug(LDAP_DEBUG_ARGS,
- "<=- ldbm_back_delete: insufficient access %s\n",
- dn, 0, 0);
- send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS, "", "" );
- goto error_return;
+ if ( !manageDSAit && is_entry_referral( e ) ) {
+ /* parent is a referral, don't allow add */
+ /* parent is an alias, don't allow add */
+ rs->sr_ref = get_entry_referrals( op, e );
+
+ Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
+ 0, 0 );
+
+ rs->sr_err = LDAP_REFERRAL;
+ rs->sr_matched = e->e_name.bv_val;
+ send_ldap_result( op, rs );
+
+ if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
+ rs->sr_ref = NULL;
+ rs->sr_matched = NULL;
+ rc = LDAP_REFERRAL;
+ goto return_results;
}
- Debug (LDAP_DEBUG_TRACE,
- "rdwr_Xchk: readers_reading: %d writer_writing: %d\n",
- e->e_rdwr.readers_reading, e->e_rdwr.writer_writing, 0);
-
- /* XXX delete from parent's id2children entry XXX */
- pdn = dn_parent( be, dn );
- p = dn2entry_r( be, pdn, &matched );
- free( pdn );
- if ( id2children_remove( be, p, e ) != 0 ) {
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "","" );
- goto error_return;
+ if ( has_children( op->o_bd, e ) ) {
+ Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: non leaf %s\n",
+ op->o_req_dn.bv_val, 0, 0);
+
+ send_ldap_error( op, rs, LDAP_NOT_ALLOWED_ON_NONLEAF,
+ "subordinate objects must be deleted first");
+ goto return_results;
+ }
+
+ /* delete from parent's id2children entry */
+ if( !be_issuffix( op->o_bd, &e->e_nname ) && (dnParent( &e->e_nname, &pdn ),
+ pdn.bv_len) ) {
+ if( (p = dn2entry_w( op->o_bd, &pdn, NULL )) == NULL) {
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- ldbm_back_delete: parent does not exist\n",
+ 0, 0, 0);
+
+ send_ldap_error( op, rs, LDAP_OTHER,
+ "could not locate parent of entry" );
+ goto return_results;
+ }
+
+ /* check parent for "children" acl */
+ if ( ! access_allowed( op, p,
+ children, NULL, ACL_WDEL, NULL ) )
+ {
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- ldbm_back_delete: no access to parent\n", 0,
+ 0, 0 );
+
+ send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
+ "no write access to parent" );
+ goto return_results;
+ }
+
+ } else {
+ /* no parent, must be root to delete */
+ if( ! be_isroot( op ) ) {
+ if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
+ || be_shadow_update( op ) ) {
+ p = (Entry *)&slap_entry_root;
+
+ rc = access_allowed( op, p,
+ children, NULL, ACL_WDEL, NULL );
+ p = NULL;
+
+ /* check parent for "children" acl */
+ if ( ! rc ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- ldbm_back_delete: no "
+ "access to parent\n", 0, 0, 0 );
+
+ send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
+ "no write access to parent" );
+ goto return_results;
+ }
+
+ } else {
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- ldbm_back_delete: no parent & "
+ "not root\n", 0, 0, 0);
+
+ send_ldap_error( op, rs,
+ LDAP_INSUFFICIENT_ACCESS,
+ NULL );
+ goto return_results;
+ }
+ }
}
/* delete from dn2id mapping */
- if ( dn2id_delete( be, e->e_dn ) != 0 ) {
+ if ( dn2id_delete( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
Debug(LDAP_DEBUG_ARGS,
"<=- ldbm_back_delete: operations error %s\n",
- dn, 0, 0);
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
- goto error_return;
+ op->o_req_dn.bv_val, 0, 0);
+
+ send_ldap_error( op, rs, LDAP_OTHER,
+ "DN index delete failed" );
+ goto return_results;
}
/* delete from disk and cache */
- if ( id2entry_delete( be, e ) != 0 ) {
+ if ( id2entry_delete( op->o_bd, e ) != 0 ) {
Debug(LDAP_DEBUG_ARGS,
"<=- ldbm_back_delete: operations error %s\n",
- dn, 0, 0);
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
- goto error_return;
- }
+ op->o_req_dn.bv_val, 0, 0);
- /* free entry and writer lock */
- cache_return_entry_w( &li->li_cache, e );
- if ( p != NULL )
- cache_return_entry_r( &li->li_cache, p );
+ send_ldap_error( op, rs, LDAP_OTHER,
+ "entry delete failed" );
+ goto return_results;
+ }
- if ( matched != NULL ) free(matched);
+ /* delete attribute indices */
+ (void) index_entry_del( op, e );
- send_ldap_result( conn, op, LDAP_SUCCESS, "", "" );
+ rs->sr_err = LDAP_SUCCESS;
+ send_ldap_result( op, rs );
+ rc = LDAP_SUCCESS;
- return( 0 );
+return_results:;
+ if( p != NULL ) {
+ /* free parent and writer lock */
+ cache_return_entry_w( &li->li_cache, p );
+ }
-error_return:;
/* free entry and writer lock */
cache_return_entry_w( &li->li_cache, e );
- if( p != NULL )
- cache_return_entry_r( &li->li_cache, p );
-
- if ( matched != NULL ) free(matched);
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
- return( -1 );
+ return rc;
}
projects / openldap / blobdiff