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https://git.openldap.org/openldap/openldap.git
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1755 lines
44 KiB
C
1755 lines
44 KiB
C
/* search.c - search operation */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 2000-2004 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include "back-bdb.h"
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#include "idl.h"
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#include "external.h"
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static int base_candidate(
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BackendDB *be,
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Entry *e,
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ID *ids );
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static int search_candidates(
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Operation *stackop, /* op with the current threadctx/slab cache */
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Operation *sop, /* search op */
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SlapReply *rs,
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Entry *e,
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u_int32_t locker,
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ID *ids,
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ID *scopes );
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static void send_paged_response(
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Operation *op,
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SlapReply *rs,
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ID lastid,
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int tentries );
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/* Dereference aliases for a single alias entry. Return the final
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* dereferenced entry on success, NULL on any failure.
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*/
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static Entry * deref_base (
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Operation *op,
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SlapReply *rs,
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Entry *e,
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Entry **matched,
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u_int32_t locker,
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DB_LOCK *lock,
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ID *tmp,
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ID *visited )
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{
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struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
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struct berval ndn;
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EntryInfo *ei;
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DB_LOCK lockr;
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rs->sr_err = LDAP_ALIAS_DEREF_PROBLEM;
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rs->sr_text = "maximum deref depth exceeded";
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while (BDB_IDL_N(tmp) < op->o_bd->be_max_deref_depth) {
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/* Remember the last entry we looked at, so we can
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* report broken links
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*/
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*matched = e;
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/* If this is part of a subtree or onelevel search,
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* have we seen this ID before? If so, quit.
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*/
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if ( visited && bdb_idl_insert( visited, e->e_id ) ) {
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e = NULL;
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break;
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}
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/* If we've seen this ID during this deref iteration,
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* we've hit a loop.
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*/
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if ( bdb_idl_insert( tmp, e->e_id ) ) {
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rs->sr_err = LDAP_ALIAS_PROBLEM;
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rs->sr_text = "circular alias";
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e = NULL;
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break;
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}
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/* If there was a problem getting the aliasedObjectName,
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* get_alias_dn will have set the error status.
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*/
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if ( get_alias_dn(e, &ndn, &rs->sr_err, &rs->sr_text) ) {
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e = NULL;
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break;
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}
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rs->sr_err = bdb_dn2entry( op, NULL, &ndn, &ei,
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0, locker, &lockr );
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if ( ei ) {
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e = ei->bei_e;
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} else {
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e = NULL;
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}
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if (!e) {
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rs->sr_err = LDAP_ALIAS_PROBLEM;
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rs->sr_text = "aliasedObject not found";
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break;
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}
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/* Free the previous entry, continue to work with the
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* one we just retrieved.
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*/
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bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache,
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*matched, lock);
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*lock = lockr;
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/* We found a regular entry. Return this to the caller. The
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* entry is still locked for Read.
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*/
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if (!is_entry_alias(e)) {
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rs->sr_err = LDAP_SUCCESS;
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rs->sr_text = NULL;
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break;
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}
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}
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return e;
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}
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/* Look for and dereference all aliases within the search scope. Adds
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* the dereferenced entries to the "ids" list. Requires "stack" to be
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* able to hold 8 levels of DB_SIZE IDLs. Of course we're hardcoded to
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* require a minimum of 8 UM_SIZE IDLs so this is never a problem.
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*/
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static int search_aliases(
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Operation *op,
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SlapReply *rs,
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Entry *e,
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u_int32_t locker,
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ID *ids,
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ID *scopes,
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ID *stack )
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{
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struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
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ID *aliases, *curscop, *subscop, *visited, *newsubs, *oldsubs, *tmp;
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ID cursora, ida, cursoro, ido, *subscop2;
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Entry *matched, *a;
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EntryInfo *ei;
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struct berval bv_alias = { sizeof("alias")-1, "alias" };
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AttributeAssertion aa_alias;
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Filter af;
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DB_LOCK locka, lockr;
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int first = 1;
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aliases = stack; /* IDL of all aliases in the database */
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curscop = aliases + BDB_IDL_DB_SIZE; /* Aliases in the current scope */
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subscop = curscop + BDB_IDL_DB_SIZE; /* The current scope */
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visited = subscop + BDB_IDL_DB_SIZE; /* IDs we've seen in this search */
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newsubs = visited + BDB_IDL_DB_SIZE; /* New subtrees we've added */
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oldsubs = newsubs + BDB_IDL_DB_SIZE; /* Subtrees added previously */
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tmp = oldsubs + BDB_IDL_DB_SIZE; /* Scratch space for deref_base() */
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/* A copy of subscop, because subscop gets clobbered by
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* the bdb_idl_union/intersection routines
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*/
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subscop2 = tmp + BDB_IDL_DB_SIZE;
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af.f_choice = LDAP_FILTER_EQUALITY;
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af.f_ava = &aa_alias;
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af.f_av_desc = slap_schema.si_ad_objectClass;
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af.f_av_value = bv_alias;
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af.f_next = NULL;
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/* Find all aliases in database */
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BDB_IDL_ZERO( aliases );
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rs->sr_err = bdb_filter_candidates( op, &af, aliases,
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curscop, visited );
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if (rs->sr_err != LDAP_SUCCESS) {
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return rs->sr_err;
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}
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oldsubs[0] = 1;
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oldsubs[1] = e->e_id;
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BDB_IDL_ZERO( ids );
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BDB_IDL_ZERO( visited );
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BDB_IDL_ZERO( newsubs );
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cursoro = 0;
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ido = bdb_idl_first( oldsubs, &cursoro );
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for (;;) {
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/* Set curscop to only the aliases in the current scope. Start with
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* all the aliases, obtain the IDL for the current scope, and then
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* get the intersection of these two IDLs. Add the current scope
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* to the cumulative list of candidates.
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*/
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BDB_IDL_CPY( curscop, aliases );
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rs->sr_err = bdb_dn2idl( op, e, subscop,
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subscop2+BDB_IDL_DB_SIZE );
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if (first) {
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first = 0;
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} else {
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bdb_cache_return_entry_r (bdb->bi_dbenv, &bdb->bi_cache, e, &locka);
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}
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BDB_IDL_CPY(subscop2, subscop);
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rs->sr_err = bdb_idl_intersection(curscop, subscop);
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bdb_idl_union( ids, subscop2 );
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/* Dereference all of the aliases in the current scope. */
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cursora = 0;
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for (ida = bdb_idl_first(curscop, &cursora); ida != NOID;
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ida = bdb_idl_next(curscop, &cursora))
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{
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ei = NULL;
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rs->sr_err = bdb_cache_find_id(op, NULL,
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ida, &ei, 0, locker, &lockr );
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if (rs->sr_err != LDAP_SUCCESS) {
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continue;
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}
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a = ei->bei_e;
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/* This should only happen if the curscop IDL has maxed out and
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* turned into a range that spans IDs indiscriminately
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*/
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if (!is_entry_alias(a)) {
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bdb_cache_return_entry_r (bdb->bi_dbenv, &bdb->bi_cache,
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a, &lockr);
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continue;
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}
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/* Actually dereference the alias */
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BDB_IDL_ZERO(tmp);
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a = deref_base( op, rs, a, &matched, locker, &lockr,
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tmp, visited );
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if (a) {
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/* If the target was not already in our current candidates,
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* make note of it in the newsubs list. Also
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* set it in the scopes list so that bdb_search
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* can check it.
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*/
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if (bdb_idl_insert(ids, a->e_id) == 0) {
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bdb_idl_insert(newsubs, a->e_id);
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bdb_idl_insert(scopes, a->e_id);
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}
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bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache,
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a, &lockr);
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} else if (matched) {
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/* Alias could not be dereferenced, or it deref'd to
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* an ID we've already seen. Ignore it.
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*/
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bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache,
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matched, &lockr );
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rs->sr_text = NULL;
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}
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}
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/* If this is a OneLevel search, we're done; oldsubs only had one
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* ID in it. For a Subtree search, oldsubs may be a list of scope IDs.
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*/
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if ( op->ors_scope == LDAP_SCOPE_ONELEVEL ) break;
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nextido:
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ido = bdb_idl_next( oldsubs, &cursoro );
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/* If we're done processing the old scopes, did we add any new
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* scopes in this iteration? If so, go back and do those now.
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*/
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if (ido == NOID) {
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if (BDB_IDL_IS_ZERO(newsubs)) break;
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BDB_IDL_CPY(oldsubs, newsubs);
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BDB_IDL_ZERO(newsubs);
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cursoro = 0;
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ido = bdb_idl_first( oldsubs, &cursoro );
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}
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/* Find the entry corresponding to the next scope. If it can't
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* be found, ignore it and move on. This should never happen;
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* we should never see the ID of an entry that doesn't exist.
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* Set the name so that the scope's IDL can be retrieved.
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*/
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ei = NULL;
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rs->sr_err = bdb_cache_find_id(op, NULL, ido, &ei,
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0, locker, &locka );
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if ( rs->sr_err != LDAP_SUCCESS ) goto nextido;
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e = ei->bei_e;
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}
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return rs->sr_err;
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}
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#define is_sync_protocol(op) \
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((op)->o_sync_mode & SLAP_SYNC_REFRESH_AND_PERSIST)
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#define IS_BDB_REPLACE(type) (( type == LDAP_PSEARCH_BY_DELETE ) || \
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( type == LDAP_PSEARCH_BY_SCOPEOUT ))
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#define IS_PSEARCH (op != sop)
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static Operation *
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bdb_drop_psearch( Operation *op, ber_int_t msgid )
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{
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Operation *ps_list;
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struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
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LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
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if ( ps_list->o_connid == op->o_connid ) {
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if ( ps_list->o_msgid == msgid ) {
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ps_list->o_abandon = 1;
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LDAP_LIST_REMOVE( ps_list, o_ps_link );
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ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
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LDAP_STAILQ_REMOVE( &op->o_conn->c_ops, ps_list,
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slap_op, o_next );
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LDAP_STAILQ_NEXT( ps_list, o_next ) = NULL;
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op->o_conn->c_n_ops_executing--;
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op->o_conn->c_n_ops_completed++;
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ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
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return ps_list;
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}
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}
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}
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return NULL;
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}
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int
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bdb_abandon( Operation *op, SlapReply *rs )
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{
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Operation *ps;
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ps = bdb_drop_psearch( op, op->oq_abandon.rs_msgid );
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if ( ps ) {
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if ( ps->o_tmpmemctx ) {
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slap_sl_mem_destroy( NULL, ps->o_tmpmemctx );
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}
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slap_op_free ( ps );
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return LDAP_SUCCESS;
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}
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return LDAP_UNAVAILABLE;
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}
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int
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bdb_cancel( Operation *op, SlapReply *rs )
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{
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Operation *ps;
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ps = bdb_drop_psearch( op, op->oq_cancel.rs_msgid );
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if ( ps ) {
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rs->sr_err = LDAP_CANCELLED;
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send_ldap_result( ps, rs );
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if ( ps->o_tmpmemctx ) {
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slap_sl_mem_destroy( NULL, ps->o_tmpmemctx );
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}
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slap_op_free ( ps );
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return LDAP_SUCCESS;
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}
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return LDAP_UNAVAILABLE;
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}
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int bdb_search( Operation *op, SlapReply *rs )
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{
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return bdb_do_search( op, rs, op, NULL, 0 );
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}
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/* For persistent searches, op is the currently executing operation,
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* sop is the persistent search. For regular searches, sop = op.
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*/
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int
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bdb_do_search( Operation *op, SlapReply *rs, Operation *sop,
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Entry *ps_e, int ps_type )
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{
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struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
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time_t stoptime;
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ID id, cursor;
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ID candidates[BDB_IDL_UM_SIZE];
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ID scopes[BDB_IDL_DB_SIZE];
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Entry *e = NULL, base, e_root = {0};
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Entry *matched = NULL;
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EntryInfo *ei, ei_root = {0};
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struct berval realbase = BER_BVNULL;
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int manageDSAit;
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int tentries = 0;
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ID lastid = NOID;
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AttributeName *attrs;
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Filter contextcsnand, contextcsnle, cookief, csnfnot,
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csnfeq, csnfand, csnfge;
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AttributeAssertion aa_ge, aa_eq, aa_le;
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struct berval *search_context_csn = NULL;
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DB_LOCK ctxcsn_lock;
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LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
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int num_ctrls = 0;
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AttributeName uuid_attr[2];
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int rc_sync = 0;
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int entry_sync_state = -1;
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AttributeName null_attr;
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int no_sync_state_change = 0;
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u_int32_t locker = 0;
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DB_LOCK lock;
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Operation *ps_list;
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int sync_send_present_mode = 1;
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int match;
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MatchingRule *mr;
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const char *text;
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int slog_found = 0;
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BerVarray syncUUID_set = NULL;
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int syncUUID_set_cnt = 0;
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, ENTRY, "bdb_search\n", 0, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE, "=> bdb_search\n",
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0, 0, 0);
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#endif
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attrs = sop->oq_search.rs_attrs;
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if ( !IS_PSEARCH && sop->o_sync_mode & SLAP_SYNC_REFRESH_AND_PERSIST ) {
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struct slap_session_entry *sent;
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if ( sop->o_sync_state.sid >= 0 ) {
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LDAP_LIST_FOREACH( sent, &bdb->bi_session_list, se_link ) {
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if ( sent->se_id == sop->o_sync_state.sid ) {
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sop->o_sync_slog_size = sent->se_size;
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break;
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}
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}
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}
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}
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/* psearch needs to be registered before refresh begins */
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/* psearch and refresh transmission is serialized in send_ldap_ber() */
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if ( !IS_PSEARCH && sop->o_sync_mode & SLAP_SYNC_PERSIST ) {
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ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
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LDAP_LIST_INSERT_HEAD( &bdb->bi_psearch_list, sop, o_ps_link );
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ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
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} else if ( !IS_PSEARCH && sop->o_sync_mode & SLAP_SYNC_REFRESH_AND_PERSIST
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&& sop->o_sync_slog_size >= 0 )
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{
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ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
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LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
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if ( ps_list->o_sync_slog_size >= 0 ) {
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if ( ps_list->o_sync_state.sid == sop->o_sync_state.sid ) {
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slog_found = 1;
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break;
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}
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}
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}
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if ( slog_found ) {
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if ( ps_list->o_sync_slog_omitcsn.bv_len != 0 ) {
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mr = slap_schema.si_ad_entryCSN->ad_type->sat_ordering;
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if ( sop->o_sync_state.ctxcsn &&
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sop->o_sync_state.ctxcsn->bv_val != NULL )
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{
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value_match( &match, slap_schema.si_ad_entryCSN, mr,
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SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
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sop->o_sync_state.ctxcsn,
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&ps_list->o_sync_slog_omitcsn,
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&text );
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} else {
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match = -1;
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}
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if ( match >= 0 ) {
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sync_send_present_mode = 0;
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}
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} else {
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sync_send_present_mode = 0;
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}
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} else if ( sop->o_sync_slog_size >= 0 ) {
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LDAP_LIST_INSERT_HEAD( &bdb->bi_psearch_list, sop, o_ps_link );
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} else {
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sop->o_sync_state.sid = -1;
|
|
}
|
|
ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
|
|
}
|
|
|
|
null_attr.an_desc = NULL;
|
|
null_attr.an_oc = NULL;
|
|
null_attr.an_oc_exclude = 0;
|
|
null_attr.an_name.bv_len = 0;
|
|
null_attr.an_name.bv_val = NULL;
|
|
|
|
for( num_ctrls = 0; num_ctrls < SLAP_MAX_RESPONSE_CONTROLS; num_ctrls++ ) {
|
|
ctrls[num_ctrls] = NULL;
|
|
}
|
|
num_ctrls = 0;
|
|
|
|
if ( IS_PSEARCH && IS_BDB_REPLACE(ps_type)) {
|
|
attrs = uuid_attr;
|
|
attrs[0].an_desc = NULL;
|
|
attrs[0].an_oc = NULL;
|
|
attrs[0].an_oc_exclude = 0;
|
|
attrs[0].an_name.bv_len = 0;
|
|
attrs[0].an_name.bv_val = NULL;
|
|
}
|
|
|
|
manageDSAit = get_manageDSAit( sop );
|
|
|
|
/* Sync control overrides manageDSAit */
|
|
if ( !IS_PSEARCH && sop->o_sync_mode & SLAP_SYNC_REFRESH ) {
|
|
if ( manageDSAit == SLAP_NO_CONTROL ) {
|
|
manageDSAit = SLAP_CRITICAL_CONTROL;
|
|
}
|
|
} else if ( IS_PSEARCH ) {
|
|
if ( manageDSAit == SLAP_NO_CONTROL ) {
|
|
manageDSAit = SLAP_CRITICAL_CONTROL;
|
|
}
|
|
}
|
|
|
|
rs->sr_err = LOCK_ID( bdb->bi_dbenv, &locker );
|
|
|
|
switch(rs->sr_err) {
|
|
case 0:
|
|
break;
|
|
default:
|
|
send_ldap_error( sop, rs, LDAP_OTHER, "internal error" );
|
|
return rs->sr_err;
|
|
}
|
|
|
|
if ( sop->o_req_ndn.bv_len == 0 ) {
|
|
/* DIT root special case */
|
|
ei_root.bei_e = &e_root;
|
|
ei_root.bei_parent = &ei_root;
|
|
e_root.e_private = &ei_root;
|
|
e_root.e_id = 1;
|
|
ei = &ei_root;
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
} else {
|
|
dn2entry_retry:
|
|
/* get entry with reader lock */
|
|
rs->sr_err = bdb_dn2entry( op, NULL, &sop->o_req_ndn, &ei,
|
|
1, locker, &lock );
|
|
}
|
|
|
|
switch(rs->sr_err) {
|
|
case DB_NOTFOUND:
|
|
matched = ei->bei_e;
|
|
break;
|
|
case 0:
|
|
e = ei->bei_e;
|
|
break;
|
|
case LDAP_BUSY:
|
|
send_ldap_error( sop, rs, LDAP_BUSY, "ldap server busy" );
|
|
LOCK_ID_FREE (bdb->bi_dbenv, locker );
|
|
return LDAP_BUSY;
|
|
case DB_LOCK_DEADLOCK:
|
|
case DB_LOCK_NOTGRANTED:
|
|
goto dn2entry_retry;
|
|
default:
|
|
send_ldap_error( sop, rs, LDAP_OTHER, "internal error" );
|
|
LOCK_ID_FREE (bdb->bi_dbenv, locker );
|
|
return rs->sr_err;
|
|
}
|
|
|
|
if ( e && (op->ors_deref & LDAP_DEREF_FINDING) && is_entry_alias(e) ) {
|
|
BDB_IDL_ZERO(candidates);
|
|
e = deref_base( op, rs, e, &matched, locker, &lock,
|
|
candidates, NULL );
|
|
}
|
|
|
|
if ( e == NULL ) {
|
|
struct berval matched_dn = BER_BVNULL;
|
|
|
|
if ( matched != NULL ) {
|
|
BerVarray erefs;
|
|
ber_dupbv( &matched_dn, &matched->e_name );
|
|
|
|
erefs = is_entry_referral( matched )
|
|
? get_entry_referrals( op, matched )
|
|
: NULL;
|
|
|
|
bdb_cache_return_entry_r (bdb->bi_dbenv, &bdb->bi_cache,
|
|
matched, &lock);
|
|
matched = NULL;
|
|
|
|
if( erefs ) {
|
|
rs->sr_ref = referral_rewrite( erefs, &matched_dn,
|
|
&sop->o_req_dn, sop->oq_search.rs_scope );
|
|
ber_bvarray_free( erefs );
|
|
}
|
|
|
|
} else {
|
|
rs->sr_ref = referral_rewrite( default_referral,
|
|
NULL, &sop->o_req_dn, sop->oq_search.rs_scope );
|
|
}
|
|
|
|
rs->sr_err = LDAP_REFERRAL;
|
|
rs->sr_matched = matched_dn.bv_val;
|
|
send_ldap_result( sop, rs );
|
|
|
|
LOCK_ID_FREE (bdb->bi_dbenv, locker );
|
|
if ( rs->sr_ref ) {
|
|
ber_bvarray_free( rs->sr_ref );
|
|
rs->sr_ref = NULL;
|
|
}
|
|
if ( matched_dn.bv_val ) {
|
|
ber_memfree( matched_dn.bv_val );
|
|
rs->sr_matched = NULL;
|
|
}
|
|
return rs->sr_err;
|
|
}
|
|
|
|
if ( !manageDSAit && e != &e_root && is_entry_referral( e ) ) {
|
|
/* entry is a referral, don't allow add */
|
|
struct berval matched_dn;
|
|
BerVarray erefs;
|
|
|
|
ber_dupbv( &matched_dn, &e->e_name );
|
|
erefs = get_entry_referrals( op, e );
|
|
|
|
bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
|
|
e = NULL;
|
|
|
|
if( erefs ) {
|
|
rs->sr_ref = referral_rewrite( erefs, &matched_dn,
|
|
&sop->o_req_dn, sop->oq_search.rs_scope );
|
|
ber_bvarray_free( erefs );
|
|
}
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, RESULTS,
|
|
"bdb_search: entry is referral\n", 0, 0, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE, "bdb_search: entry is referral\n",
|
|
0, 0, 0 );
|
|
#endif
|
|
|
|
if (!rs->sr_ref) rs->sr_text = "bad_referral object";
|
|
rs->sr_err = LDAP_REFERRAL;
|
|
rs->sr_matched = matched_dn.bv_val;
|
|
send_ldap_result( sop, rs );
|
|
|
|
LOCK_ID_FREE (bdb->bi_dbenv, locker );
|
|
ber_bvarray_free( rs->sr_ref );
|
|
rs->sr_ref = NULL;
|
|
ber_memfree( matched_dn.bv_val );
|
|
rs->sr_matched = NULL;
|
|
return 1;
|
|
}
|
|
|
|
if ( get_assert( op ) &&
|
|
( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
|
|
{
|
|
rs->sr_err = LDAP_ASSERTION_FAILED;
|
|
send_ldap_result( sop, rs );
|
|
return 1;
|
|
}
|
|
|
|
/* compute it anyway; root does not use it */
|
|
stoptime = op->o_time + sop->ors_tlimit;
|
|
|
|
/* need normalized dn below */
|
|
ber_dupbv( &realbase, &e->e_nname );
|
|
|
|
/* Copy info to base, must free entry before accessing the database
|
|
* in search_candidates, to avoid deadlocks.
|
|
*/
|
|
base.e_private = e->e_private;
|
|
base.e_nname = realbase;
|
|
base.e_id = e->e_id;
|
|
|
|
if ( e != &e_root ) {
|
|
bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
|
|
}
|
|
e = NULL;
|
|
|
|
if ( !IS_PSEARCH ) {
|
|
rs->sr_err = bdb_get_commit_csn( sop, rs, &search_context_csn,
|
|
locker, &ctxcsn_lock );
|
|
|
|
if ( rs->sr_err != LDAP_SUCCESS ) {
|
|
send_ldap_error( sop, rs, rs->sr_err,
|
|
"error in csn management in search" );
|
|
goto done;
|
|
}
|
|
|
|
if ( sop->o_sync_mode != SLAP_SYNC_NONE &&
|
|
sop->o_sync_state.ctxcsn &&
|
|
sop->o_sync_state.ctxcsn->bv_val &&
|
|
ber_bvcmp( &sop->o_sync_state.ctxcsn[0], search_context_csn ) == 0 )
|
|
{
|
|
bdb_cache_entry_db_unlock( bdb->bi_dbenv, &ctxcsn_lock );
|
|
goto nochange;
|
|
}
|
|
} else {
|
|
search_context_csn = ber_dupbv( NULL, &op->o_sync_csn );
|
|
}
|
|
|
|
/* select candidates */
|
|
if ( sop->oq_search.rs_scope == LDAP_SCOPE_BASE ) {
|
|
rs->sr_err = base_candidate( op->o_bd, &base, candidates );
|
|
|
|
} else {
|
|
BDB_IDL_ZERO( candidates );
|
|
BDB_IDL_ZERO( scopes );
|
|
rs->sr_err = search_candidates( op, sop, rs, &base,
|
|
locker, candidates, scopes );
|
|
}
|
|
|
|
if ( !IS_PSEARCH && sop->o_sync_mode != SLAP_SYNC_NONE ) {
|
|
bdb_cache_entry_db_unlock( bdb->bi_dbenv, &ctxcsn_lock );
|
|
}
|
|
|
|
/* start cursor at beginning of candidates.
|
|
*/
|
|
cursor = 0;
|
|
if (IS_PSEARCH) {
|
|
if ( !BDB_IDL_IS_RANGE( candidates ) ) {
|
|
cursor = bdb_idl_search( candidates, ps_e->e_id );
|
|
if ( candidates[cursor] != ps_e->e_id ) {
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
goto done;
|
|
}
|
|
} else if ( ps_e->e_id < BDB_IDL_RANGE_FIRST( candidates ) ||
|
|
ps_e->e_id > BDB_IDL_RANGE_LAST( candidates ))
|
|
{
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
goto done;
|
|
}
|
|
candidates[0] = 1;
|
|
candidates[1] = ps_e->e_id;
|
|
}
|
|
|
|
if ( candidates[0] == 0 ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, RESULTS,
|
|
"bdb_search: no candidates\n", 0, 0, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE, "bdb_search: no candidates\n",
|
|
0, 0, 0 );
|
|
#endif
|
|
|
|
goto nochange;
|
|
}
|
|
|
|
/* if not root and candidates exceed to-be-checked entries, abort */
|
|
if ( sop->ors_limit /* isroot == TRUE */ &&
|
|
sop->ors_limit->lms_s_unchecked != -1 &&
|
|
BDB_IDL_N(candidates) > (unsigned) sop->ors_limit->lms_s_unchecked )
|
|
{
|
|
rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
|
|
send_ldap_result( sop, rs );
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
goto done;
|
|
}
|
|
|
|
if ( sop->ors_limit == NULL /* isroot == FALSE */ ||
|
|
!sop->ors_limit->lms_s_pr_hide )
|
|
{
|
|
tentries = BDB_IDL_N(candidates);
|
|
}
|
|
|
|
if ( get_pagedresults(sop) ) {
|
|
if ( (ID)( sop->o_pagedresults_state.ps_cookie ) == 0 ) {
|
|
id = bdb_idl_first( candidates, &cursor );
|
|
|
|
} else {
|
|
if ( sop->o_pagedresults_size == 0 ) {
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
rs->sr_text = "search abandoned by pagedResult size=0";
|
|
send_ldap_result( sop, rs );
|
|
goto done;
|
|
}
|
|
for ( id = bdb_idl_first( candidates, &cursor );
|
|
id != NOID &&
|
|
id <= (ID)( sop->o_pagedresults_state.ps_cookie );
|
|
id = bdb_idl_next( candidates, &cursor ) )
|
|
{
|
|
/* empty */;
|
|
}
|
|
}
|
|
|
|
if ( cursor == NOID ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, RESULTS,
|
|
"bdb_search: no paged results candidates\n",
|
|
0, 0, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_search: no paged results candidates\n",
|
|
0, 0, 0 );
|
|
#endif
|
|
send_paged_response( sop, rs, lastid, 0 );
|
|
|
|
rs->sr_err = LDAP_OTHER;
|
|
goto done;
|
|
}
|
|
goto loop_begin;
|
|
}
|
|
|
|
if (( sop->o_sync_mode & SLAP_SYNC_REFRESH ) || IS_PSEARCH ) {
|
|
int match;
|
|
|
|
cookief.f_choice = LDAP_FILTER_AND;
|
|
cookief.f_and = &csnfnot;
|
|
cookief.f_next = NULL;
|
|
|
|
csnfnot.f_choice = LDAP_FILTER_NOT;
|
|
csnfnot.f_not = &csnfeq;
|
|
csnfnot.f_next = &csnfand;
|
|
|
|
csnfeq.f_choice = LDAP_FILTER_EQUALITY;
|
|
csnfeq.f_ava = &aa_eq;
|
|
csnfeq.f_av_desc = slap_schema.si_ad_entryCSN;
|
|
if ( sop->o_sync_state.ctxcsn != NULL ) {
|
|
csnfeq.f_av_value = *sop->o_sync_state.ctxcsn;
|
|
} else {
|
|
csnfeq.f_av_value = slap_empty_bv;
|
|
}
|
|
|
|
csnfand.f_choice = LDAP_FILTER_AND;
|
|
csnfand.f_and = &csnfge;
|
|
csnfand.f_next = NULL;
|
|
|
|
csnfge.f_choice = LDAP_FILTER_GE;
|
|
csnfge.f_ava = &aa_ge;
|
|
csnfge.f_av_desc = slap_schema.si_ad_entryCSN;
|
|
if ( sop->o_sync_state.ctxcsn != NULL ) {
|
|
csnfge.f_av_value = *sop->o_sync_state.ctxcsn;
|
|
} else {
|
|
csnfge.f_av_value = slap_empty_bv;
|
|
}
|
|
|
|
if ( search_context_csn && !IS_PSEARCH ) {
|
|
csnfge.f_next = &contextcsnand;
|
|
|
|
contextcsnand.f_choice = LDAP_FILTER_AND;
|
|
contextcsnand.f_and = &contextcsnle;
|
|
contextcsnand.f_next = NULL;
|
|
|
|
contextcsnle.f_choice = LDAP_FILTER_LE;
|
|
contextcsnle.f_ava = &aa_le;
|
|
contextcsnle.f_av_desc = slap_schema.si_ad_entryCSN;
|
|
contextcsnle.f_av_value = *search_context_csn;
|
|
contextcsnle.f_next = sop->oq_search.rs_filter;
|
|
|
|
mr = slap_schema.si_ad_entryCSN->ad_type->sat_ordering;
|
|
if ( sop->o_sync_state.ctxcsn &&
|
|
sop->o_sync_state.ctxcsn->bv_val != NULL )
|
|
{
|
|
value_match( &match, slap_schema.si_ad_entryCSN, mr,
|
|
SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
|
|
&sop->o_sync_state.ctxcsn[0], search_context_csn,
|
|
&text );
|
|
} else {
|
|
match = -1;
|
|
}
|
|
no_sync_state_change = ( match >= 0 );
|
|
} else {
|
|
csnfge.f_next = sop->oq_search.rs_filter;
|
|
}
|
|
}
|
|
|
|
for ( id = bdb_idl_first( candidates, &cursor );
|
|
id != NOID && !no_sync_state_change;
|
|
id = bdb_idl_next( candidates, &cursor ) )
|
|
{
|
|
int scopeok = 0;
|
|
|
|
loop_begin:
|
|
/* check for abandon */
|
|
if ( sop->o_abandon ) {
|
|
if ( sop != op ) {
|
|
bdb_drop_psearch( sop, sop->o_msgid );
|
|
}
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
goto done;
|
|
}
|
|
|
|
if ( sop->o_cancel ) {
|
|
assert( sop->o_cancel == SLAP_CANCEL_REQ );
|
|
rs->sr_err = LDAP_CANCELLED;
|
|
send_ldap_result( sop, rs );
|
|
sop->o_cancel = SLAP_CANCEL_ACK;
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
goto done;
|
|
}
|
|
|
|
/* check time limit */
|
|
if ( sop->ors_tlimit != -1 && slap_get_time() > stoptime ) {
|
|
rs->sr_err = LDAP_TIMELIMIT_EXCEEDED;
|
|
rs->sr_ref = rs->sr_v2ref;
|
|
send_ldap_result( sop, rs );
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
goto done;
|
|
}
|
|
|
|
if (!IS_PSEARCH) {
|
|
id2entry_retry:
|
|
/* get the entry with reader lock */
|
|
ei = NULL;
|
|
rs->sr_err = bdb_cache_find_id( op, NULL,
|
|
id, &ei, 0, locker, &lock );
|
|
|
|
if (rs->sr_err == LDAP_BUSY) {
|
|
rs->sr_text = "ldap server busy";
|
|
send_ldap_result( sop, rs );
|
|
goto done;
|
|
|
|
} else if ( rs->sr_err == DB_LOCK_DEADLOCK
|
|
|| rs->sr_err == DB_LOCK_NOTGRANTED )
|
|
{
|
|
goto id2entry_retry;
|
|
}
|
|
|
|
if ( ei && rs->sr_err == LDAP_SUCCESS ) {
|
|
e = ei->bei_e;
|
|
} else {
|
|
e = NULL;
|
|
}
|
|
|
|
if ( e == NULL ) {
|
|
if( !BDB_IDL_IS_RANGE(candidates) ) {
|
|
/* only complain for non-range IDLs */
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, RESULTS,
|
|
"bdb_search: candidate %ld not found\n",
|
|
(long) id, 0, 0);
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_search: candidate %ld not found\n",
|
|
(long) id, 0, 0 );
|
|
#endif
|
|
}
|
|
|
|
goto loop_continue;
|
|
}
|
|
} else {
|
|
e = ps_e;
|
|
}
|
|
|
|
rs->sr_entry = e;
|
|
|
|
#ifdef BDB_SUBENTRIES
|
|
/* FIXME: send all but syncrepl */
|
|
#if 0
|
|
if ( !is_sync_protocol( sop ) )
|
|
#endif
|
|
{
|
|
if ( is_entry_subentry( e ) ) {
|
|
if( sop->oq_search.rs_scope != LDAP_SCOPE_BASE ) {
|
|
if(!get_subentries_visibility( sop )) {
|
|
/* only subentries are visible */
|
|
goto loop_continue;
|
|
}
|
|
|
|
} else if ( get_subentries( sop ) &&
|
|
!get_subentries_visibility( sop ))
|
|
{
|
|
/* only subentries are visible */
|
|
goto loop_continue;
|
|
}
|
|
|
|
} else if ( get_subentries_visibility( sop )) {
|
|
/* only subentries are visible */
|
|
goto loop_continue;
|
|
}
|
|
}
|
|
#endif /* BDB_SUBENTRIES */
|
|
|
|
/* Does this candidate actually satisfy the search scope?
|
|
*
|
|
* Note that we don't lock access to the bei_parent pointer.
|
|
* Since only leaf nodes can be deleted, the parent of any
|
|
* node will always be a valid node. Also since we have
|
|
* a Read lock on the data, it cannot be renamed out of the
|
|
* scope while we are looking at it, and unless we're using
|
|
* BDB_HIER, its parents cannot be moved either.
|
|
*/
|
|
switch( sop->ors_scope ) {
|
|
case LDAP_SCOPE_BASE:
|
|
/* This is always true, yes? */
|
|
if ( id == base.e_id ) scopeok = 1;
|
|
break;
|
|
|
|
case LDAP_SCOPE_ONELEVEL:
|
|
if ( ei->bei_parent->bei_id == base.e_id ) scopeok = 1;
|
|
break;
|
|
|
|
#ifdef LDAP_SCOPE_CHILDREN
|
|
case LDAP_SCOPE_CHILDREN:
|
|
if ( id == base.e_id ) break;
|
|
/* Fall-thru */
|
|
#endif
|
|
case LDAP_SCOPE_SUBTREE: {
|
|
EntryInfo *tmp;
|
|
for (tmp = BEI(e); tmp->bei_parent;
|
|
tmp = tmp->bei_parent ) {
|
|
if ( tmp->bei_id == base.e_id ) {
|
|
scopeok = 1;
|
|
break;
|
|
}
|
|
}
|
|
} break;
|
|
}
|
|
|
|
#ifdef BDB_ALIASES
|
|
/* aliases were already dereferenced in candidate list */
|
|
if ( sop->ors_deref & LDAP_DEREF_SEARCHING ) {
|
|
/* but if the search base is an alias, and we didn't
|
|
* deref it when finding, return it.
|
|
*/
|
|
if ( is_entry_alias(e) &&
|
|
((sop->ors_deref & LDAP_DEREF_FINDING) ||
|
|
!bvmatch(&e->e_nname, &op->o_req_ndn)))
|
|
{
|
|
goto loop_continue;
|
|
}
|
|
|
|
/* scopes is only non-empty for onelevel or subtree */
|
|
if ( !scopeok && BDB_IDL_N(scopes) ) {
|
|
unsigned x;
|
|
if ( sop->ors_scope == LDAP_SCOPE_ONELEVEL ) {
|
|
x = bdb_idl_search( scopes, e->e_id );
|
|
if ( scopes[x] == e->e_id ) scopeok = 1;
|
|
} else {
|
|
/* subtree, walk up the tree */
|
|
EntryInfo *tmp = BEI(e);
|
|
for (;tmp->bei_parent; tmp=tmp->bei_parent) {
|
|
x = bdb_idl_search( scopes, tmp->bei_id );
|
|
if ( scopes[x] == tmp->bei_id ) {
|
|
scopeok = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* Not in scope, ignore it */
|
|
if ( !scopeok ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, RESULTS,
|
|
"bdb_search: %ld scope not okay\n",
|
|
(long) id, 0, 0);
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_search: %ld scope not okay\n",
|
|
(long) id, 0, 0 );
|
|
#endif
|
|
goto loop_continue;
|
|
}
|
|
|
|
/*
|
|
* if it's a referral, add it to the list of referrals. only do
|
|
* this for non-base searches, and don't check the filter
|
|
* explicitly here since it's only a candidate anyway.
|
|
*/
|
|
if ( !manageDSAit && sop->oq_search.rs_scope != LDAP_SCOPE_BASE
|
|
&& is_entry_referral( e ) )
|
|
{
|
|
BerVarray erefs = get_entry_referrals( sop, e );
|
|
rs->sr_ref = referral_rewrite( erefs, &e->e_name, NULL,
|
|
sop->oq_search.rs_scope == LDAP_SCOPE_ONELEVEL
|
|
? LDAP_SCOPE_BASE : LDAP_SCOPE_SUBTREE );
|
|
|
|
send_search_reference( sop, rs );
|
|
|
|
ber_bvarray_free( rs->sr_ref );
|
|
ber_bvarray_free( erefs );
|
|
rs->sr_ref = NULL;
|
|
|
|
goto loop_continue;
|
|
}
|
|
|
|
if ( !manageDSAit && is_entry_glue( e )) {
|
|
goto loop_continue;
|
|
}
|
|
|
|
/* if it matches the filter and scope, send it */
|
|
if (IS_PSEARCH) {
|
|
if (ps_type != LDAP_PSEARCH_BY_SCOPEOUT) {
|
|
rs->sr_err = test_filter( sop, rs->sr_entry, &cookief );
|
|
} else {
|
|
rs->sr_err = LDAP_COMPARE_TRUE;
|
|
}
|
|
|
|
} else {
|
|
if ( sop->o_sync_mode & SLAP_SYNC_REFRESH ) {
|
|
rc_sync = test_filter( sop, rs->sr_entry, &cookief );
|
|
rs->sr_err = test_filter( sop, rs->sr_entry, &contextcsnand );
|
|
if ( rs->sr_err == LDAP_COMPARE_TRUE ) {
|
|
if ( rc_sync == LDAP_COMPARE_TRUE ) {
|
|
if ( no_sync_state_change ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, RESULTS,
|
|
"bdb_search: error in context csn management\n",
|
|
0, 0, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_search: error in context csn management\n",
|
|
0, 0, 0 );
|
|
#endif
|
|
}
|
|
entry_sync_state = LDAP_SYNC_ADD;
|
|
|
|
} else {
|
|
if ( no_sync_state_change ) {
|
|
goto loop_continue;
|
|
}
|
|
entry_sync_state = LDAP_SYNC_PRESENT;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
rs->sr_err = test_filter( sop,
|
|
rs->sr_entry, sop->oq_search.rs_filter );
|
|
}
|
|
}
|
|
|
|
if ( rs->sr_err == LDAP_COMPARE_TRUE ) {
|
|
/* check size limit */
|
|
if ( --sop->ors_slimit == -1 &&
|
|
sop->o_sync_slog_size == -1 )
|
|
{
|
|
if (!IS_PSEARCH) {
|
|
bdb_cache_return_entry_r( bdb->bi_dbenv,
|
|
&bdb->bi_cache, e, &lock );
|
|
}
|
|
e = NULL;
|
|
rs->sr_entry = NULL;
|
|
rs->sr_err = LDAP_SIZELIMIT_EXCEEDED;
|
|
rs->sr_ref = rs->sr_v2ref;
|
|
send_ldap_result( sop, rs );
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
goto done;
|
|
}
|
|
|
|
if ( get_pagedresults(sop) ) {
|
|
if ( rs->sr_nentries >= sop->o_pagedresults_size ) {
|
|
send_paged_response( sop, rs, lastid, tentries );
|
|
goto done;
|
|
}
|
|
lastid = id;
|
|
}
|
|
|
|
if (e) {
|
|
/* safe default */
|
|
int result = -1;
|
|
|
|
if (IS_PSEARCH) {
|
|
int premodify_found = 0;
|
|
int entry_sync_state;
|
|
|
|
if ( ps_type == LDAP_PSEARCH_BY_ADD ||
|
|
ps_type == LDAP_PSEARCH_BY_DELETE ||
|
|
ps_type == LDAP_PSEARCH_BY_MODIFY ||
|
|
ps_type == LDAP_PSEARCH_BY_SCOPEOUT )
|
|
{
|
|
if ( ps_type == LDAP_PSEARCH_BY_MODIFY ) {
|
|
struct psid_entry* psid_e;
|
|
LDAP_LIST_FOREACH( psid_e,
|
|
&op->o_pm_list, ps_link)
|
|
{
|
|
if( psid_e->ps_op == sop ) {
|
|
premodify_found = 1;
|
|
LDAP_LIST_REMOVE(psid_e, ps_link);
|
|
break;
|
|
}
|
|
}
|
|
if (psid_e != NULL) free (psid_e);
|
|
}
|
|
|
|
if ( ps_type == LDAP_PSEARCH_BY_ADD ) {
|
|
entry_sync_state = LDAP_SYNC_ADD;
|
|
} else if ( ps_type == LDAP_PSEARCH_BY_DELETE ) {
|
|
entry_sync_state = LDAP_SYNC_DELETE;
|
|
} else if ( ps_type == LDAP_PSEARCH_BY_MODIFY ) {
|
|
if ( premodify_found ) {
|
|
entry_sync_state = LDAP_SYNC_MODIFY;
|
|
} else {
|
|
entry_sync_state = LDAP_SYNC_ADD;
|
|
}
|
|
} else if ( ps_type == LDAP_PSEARCH_BY_SCOPEOUT ) {
|
|
entry_sync_state = LDAP_SYNC_DELETE;
|
|
} else {
|
|
rs->sr_err = LDAP_OTHER;
|
|
goto done;
|
|
}
|
|
|
|
if ( sop->o_sync_slog_size != -1 ) {
|
|
if ( entry_sync_state == LDAP_SYNC_DELETE ) {
|
|
result = slap_add_session_log( op, sop, e );
|
|
} else {
|
|
result = 1;
|
|
}
|
|
} else {
|
|
struct berval cookie;
|
|
slap_compose_sync_cookie( sop, &cookie,
|
|
search_context_csn,
|
|
sop->o_sync_state.sid,
|
|
sop->o_sync_state.rid );
|
|
rs->sr_err = slap_build_sync_state_ctrl( sop,
|
|
rs, e, entry_sync_state, ctrls,
|
|
num_ctrls++, 1, &cookie );
|
|
if ( rs->sr_err != LDAP_SUCCESS ) goto done;
|
|
rs->sr_attrs = attrs;
|
|
rs->sr_ctrls = ctrls;
|
|
rs->sr_flags = 0;
|
|
result = send_search_entry( sop, rs );
|
|
if ( cookie.bv_val ) ch_free( cookie.bv_val );
|
|
slap_sl_free(
|
|
ctrls[num_ctrls-1]->ldctl_value.bv_val,
|
|
sop->o_tmpmemctx );
|
|
slap_sl_free( ctrls[--num_ctrls],
|
|
sop->o_tmpmemctx );
|
|
ctrls[num_ctrls] = NULL;
|
|
rs->sr_ctrls = NULL;
|
|
}
|
|
|
|
} else if ( ps_type == LDAP_PSEARCH_BY_PREMODIFY ) {
|
|
struct psid_entry* psid_e;
|
|
psid_e = (struct psid_entry *) ch_calloc(1,
|
|
sizeof(struct psid_entry));
|
|
psid_e->ps_op = sop;
|
|
LDAP_LIST_INSERT_HEAD( &op->o_pm_list,
|
|
psid_e, ps_link );
|
|
|
|
} else {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, RESULTS,
|
|
"bdb_search: invalid ps_type (%d) \n",
|
|
ps_type, 0, 0);
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_search: invalid ps_type (%d) \n",
|
|
ps_type, 0, 0);
|
|
#endif
|
|
}
|
|
|
|
} else {
|
|
if ( sop->o_sync_mode & SLAP_SYNC_REFRESH ) {
|
|
if ( rc_sync == LDAP_COMPARE_TRUE ) { /* ADD */
|
|
rs->sr_err = slap_build_sync_state_ctrl( sop,
|
|
rs, e, entry_sync_state, ctrls,
|
|
num_ctrls++, 0, NULL );
|
|
if ( rs->sr_err != LDAP_SUCCESS ) goto done;
|
|
rs->sr_ctrls = ctrls;
|
|
rs->sr_attrs = sop->oq_search.rs_attrs;
|
|
rs->sr_flags = 0;
|
|
result = send_search_entry( sop, rs );
|
|
slap_sl_free(
|
|
ctrls[num_ctrls-1]->ldctl_value.bv_val,
|
|
sop->o_tmpmemctx );
|
|
slap_sl_free( ctrls[--num_ctrls],
|
|
sop->o_tmpmemctx );
|
|
ctrls[num_ctrls] = NULL;
|
|
rs->sr_ctrls = NULL;
|
|
|
|
} else { /* PRESENT */
|
|
if ( sync_send_present_mode ) {
|
|
result = slap_build_syncUUID_set( sop,
|
|
&syncUUID_set, e );
|
|
if ( result <= 0 ) {
|
|
result = -1;
|
|
} else {
|
|
syncUUID_set_cnt++;
|
|
if ( syncUUID_set_cnt ==
|
|
SLAP_SYNCUUID_SET_SIZE )
|
|
{
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
rs->sr_rspoid = LDAP_SYNC_INFO;
|
|
rs->sr_ctrls = NULL;
|
|
result = slap_send_syncinfo( sop, rs,
|
|
LDAP_TAG_SYNC_ID_SET,
|
|
NULL, 0, syncUUID_set, 0 );
|
|
if ( result != LDAP_SUCCESS ) {
|
|
result = -1;
|
|
}
|
|
ber_bvarray_free_x( syncUUID_set,
|
|
sop->o_tmpmemctx );
|
|
syncUUID_set = NULL;
|
|
syncUUID_set_cnt = 0;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
result = 1;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
rs->sr_attrs = sop->oq_search.rs_attrs;
|
|
rs->sr_ctrls = NULL;
|
|
rs->sr_flags = 0;
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
result = send_search_entry( sop, rs );
|
|
}
|
|
}
|
|
|
|
switch (result) {
|
|
case 0: /* entry sent ok */
|
|
break;
|
|
case 1: /* entry not sent */
|
|
break;
|
|
case -1: /* connection closed */
|
|
if (!IS_PSEARCH) {
|
|
bdb_cache_return_entry_r(bdb->bi_dbenv,
|
|
&bdb->bi_cache, e, &lock);
|
|
}
|
|
e = NULL;
|
|
rs->sr_entry = NULL;
|
|
rs->sr_err = LDAP_OTHER;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, RESULTS,
|
|
"bdb_search: %ld does not match filter\n", (long) id, 0, 0);
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_search: %ld does not match filter\n",
|
|
(long) id, 0, 0 );
|
|
#endif
|
|
}
|
|
|
|
loop_continue:
|
|
if( e != NULL ) {
|
|
/* free reader lock */
|
|
if (!IS_PSEARCH) {
|
|
bdb_cache_return_entry_r( bdb->bi_dbenv,
|
|
&bdb->bi_cache, e , &lock );
|
|
if ( sop->o_nocaching ) {
|
|
bdb_cache_delete_entry( bdb, ei, locker, &lock );
|
|
}
|
|
}
|
|
e = NULL;
|
|
rs->sr_entry = NULL;
|
|
}
|
|
|
|
ldap_pvt_thread_yield();
|
|
}
|
|
|
|
if ( syncUUID_set_cnt > 0 ) {
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
rs->sr_rspoid = LDAP_SYNC_INFO;
|
|
rs->sr_ctrls = NULL;
|
|
slap_send_syncinfo( sop, rs, LDAP_TAG_SYNC_ID_SET,
|
|
NULL, 0, syncUUID_set, 0 );
|
|
ber_bvarray_free_x( syncUUID_set, sop->o_tmpmemctx );
|
|
syncUUID_set_cnt = 0;
|
|
}
|
|
|
|
nochange:
|
|
if (!IS_PSEARCH) {
|
|
if ( sop->o_sync_mode & SLAP_SYNC_REFRESH ) {
|
|
if ( sop->o_sync_mode & SLAP_SYNC_PERSIST ) {
|
|
struct berval cookie;
|
|
slap_compose_sync_cookie( sop, &cookie, search_context_csn,
|
|
sop->o_sync_state.sid, sop->o_sync_state.rid );
|
|
|
|
if ( sync_send_present_mode ) {
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
rs->sr_rspoid = LDAP_SYNC_INFO;
|
|
rs->sr_ctrls = NULL;
|
|
slap_send_syncinfo( sop, rs,
|
|
LDAP_TAG_SYNC_REFRESH_PRESENT, &cookie, 1, NULL, 0 );
|
|
|
|
} else {
|
|
if ( !no_sync_state_change ) {
|
|
int slog_found = 0;
|
|
ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
|
|
LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list,
|
|
o_ps_link )
|
|
{
|
|
if ( ps_list->o_sync_slog_size > 0 ) {
|
|
if ( ps_list->o_sync_state.sid ==
|
|
sop->o_sync_state.sid )
|
|
{
|
|
slog_found = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( slog_found ) {
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
rs->sr_rspoid = NULL;
|
|
rs->sr_ctrls = NULL;
|
|
slap_send_session_log( op, ps_list, rs );
|
|
}
|
|
ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
|
|
}
|
|
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
rs->sr_rspoid = LDAP_SYNC_INFO;
|
|
rs->sr_ctrls = NULL;
|
|
slap_send_syncinfo( sop, rs,
|
|
LDAP_TAG_SYNC_REFRESH_DELETE, &cookie, 1, NULL, 0 );
|
|
}
|
|
|
|
if ( cookie.bv_val ) ch_free( cookie.bv_val );
|
|
|
|
} else {
|
|
/* refreshOnly mode */
|
|
struct berval cookie;
|
|
slap_compose_sync_cookie( sop, &cookie, search_context_csn,
|
|
sop->o_sync_state.sid, sop->o_sync_state.rid );
|
|
|
|
if ( sync_send_present_mode ) {
|
|
slap_build_sync_done_ctrl( sop, rs, ctrls,
|
|
num_ctrls++, 1, &cookie, LDAP_SYNC_REFRESH_PRESENTS );
|
|
|
|
} else {
|
|
if ( !no_sync_state_change ) {
|
|
int slog_found = 0;
|
|
ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
|
|
LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list,
|
|
o_ps_link )
|
|
{
|
|
if ( ps_list->o_sync_slog_size > 0 ) {
|
|
if ( ps_list->o_sync_state.sid ==
|
|
sop->o_sync_state.sid ) {
|
|
slog_found = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( slog_found ) {
|
|
slap_send_session_log( op, ps_list, rs );
|
|
}
|
|
ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
|
|
}
|
|
|
|
slap_build_sync_done_ctrl( sop, rs, ctrls,
|
|
num_ctrls++, 1, &cookie, LDAP_SYNC_REFRESH_DELETES );
|
|
}
|
|
|
|
rs->sr_ctrls = ctrls;
|
|
rs->sr_ref = rs->sr_v2ref;
|
|
rs->sr_err = (rs->sr_v2ref == NULL)
|
|
? LDAP_SUCCESS : LDAP_REFERRAL;
|
|
rs->sr_rspoid = NULL;
|
|
send_ldap_result( sop, rs );
|
|
if ( ctrls[num_ctrls-1]->ldctl_value.bv_val != NULL ) {
|
|
slap_sl_free( ctrls[num_ctrls-1]->ldctl_value.bv_val,
|
|
sop->o_tmpmemctx );
|
|
}
|
|
slap_sl_free( ctrls[--num_ctrls], sop->o_tmpmemctx );
|
|
ctrls[num_ctrls] = NULL;
|
|
if ( cookie.bv_val ) ch_free( cookie.bv_val );
|
|
}
|
|
|
|
} else {
|
|
rs->sr_ctrls = NULL;
|
|
rs->sr_ref = rs->sr_v2ref;
|
|
rs->sr_err = (rs->sr_v2ref == NULL) ? LDAP_SUCCESS : LDAP_REFERRAL;
|
|
rs->sr_rspoid = NULL;
|
|
send_ldap_result( sop, rs );
|
|
}
|
|
}
|
|
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
|
|
done:
|
|
if( !IS_PSEARCH && e != NULL ) {
|
|
/* free reader lock */
|
|
bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
|
|
}
|
|
|
|
LOCK_ID_FREE( bdb->bi_dbenv, locker );
|
|
|
|
ber_bvfree( search_context_csn );
|
|
|
|
if( rs->sr_v2ref ) {
|
|
ber_bvarray_free( rs->sr_v2ref );
|
|
rs->sr_v2ref = NULL;
|
|
}
|
|
if( realbase.bv_val ) ch_free( realbase.bv_val );
|
|
|
|
return rs->sr_err;
|
|
}
|
|
|
|
|
|
static int base_candidate(
|
|
BackendDB *be,
|
|
Entry *e,
|
|
ID *ids )
|
|
{
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, ENTRY,
|
|
"base_candidate: base: \"%s\" (0x%08lx)\n",
|
|
e->e_nname.bv_val, (long) e->e_id, 0);
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "base_candidates: base: \"%s\" (0x%08lx)\n",
|
|
e->e_nname.bv_val, (long) e->e_id, 0);
|
|
#endif
|
|
|
|
ids[0] = 1;
|
|
ids[1] = e->e_id;
|
|
return 0;
|
|
}
|
|
|
|
/* Look for "objectClass Present" in this filter.
|
|
* Also count depth of filter tree while we're at it.
|
|
*/
|
|
static int oc_filter(
|
|
Filter *f,
|
|
int cur,
|
|
int *max )
|
|
{
|
|
int rc = 0;
|
|
|
|
assert( f );
|
|
|
|
if( cur > *max ) *max = cur;
|
|
|
|
switch( f->f_choice ) {
|
|
case LDAP_FILTER_PRESENT:
|
|
if (f->f_desc == slap_schema.si_ad_objectClass) {
|
|
rc = 1;
|
|
}
|
|
break;
|
|
|
|
case LDAP_FILTER_AND:
|
|
case LDAP_FILTER_OR:
|
|
cur++;
|
|
for ( f=f->f_and; f; f=f->f_next ) {
|
|
(void) oc_filter(f, cur, max);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static void search_stack_free( void *key, void *data )
|
|
{
|
|
ber_memfree_x(data, NULL);
|
|
}
|
|
|
|
static void *search_stack( Operation *op )
|
|
{
|
|
struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
|
|
void *ret = NULL;
|
|
|
|
if ( op->o_threadctx ) {
|
|
ldap_pvt_thread_pool_getkey( op->o_threadctx, search_stack,
|
|
&ret, NULL );
|
|
} else {
|
|
ret = bdb->bi_search_stack;
|
|
}
|
|
|
|
if ( !ret ) {
|
|
ret = ch_malloc( bdb->bi_search_stack_depth * BDB_IDL_UM_SIZE
|
|
* sizeof( ID ) );
|
|
if ( op->o_threadctx ) {
|
|
ldap_pvt_thread_pool_setkey( op->o_threadctx, search_stack,
|
|
ret, search_stack_free );
|
|
} else {
|
|
bdb->bi_search_stack = ret;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int search_candidates(
|
|
Operation *stackop,
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
Entry *e,
|
|
u_int32_t locker,
|
|
ID *ids,
|
|
ID *scopes )
|
|
{
|
|
struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
|
|
int rc, depth = 1;
|
|
Filter f, rf, xf, nf;
|
|
ID *stack;
|
|
AttributeAssertion aa_ref;
|
|
#ifdef BDB_SUBENTRIES
|
|
Filter sf;
|
|
AttributeAssertion aa_subentry;
|
|
#endif
|
|
|
|
/*
|
|
* This routine takes as input a filter (user-filter)
|
|
* and rewrites it as follows:
|
|
* (&(scope=DN)[(objectClass=subentry)]
|
|
* (|[(objectClass=referral)(objectClass=alias)](user-filter))
|
|
*/
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, ENTRY,
|
|
"search_candidates: base=\"%s\" (0x%08lx) scope=%d\n",
|
|
e->e_nname.bv_val, (long) e->e_id, op->oq_search.rs_scope);
|
|
#else
|
|
Debug(LDAP_DEBUG_TRACE,
|
|
"search_candidates: base=\"%s\" (0x%08lx) scope=%d\n",
|
|
e->e_nname.bv_val, (long) e->e_id, op->oq_search.rs_scope );
|
|
#endif
|
|
|
|
xf.f_or = op->oq_search.rs_filter;
|
|
xf.f_choice = LDAP_FILTER_OR;
|
|
xf.f_next = NULL;
|
|
|
|
/* If the user's filter uses objectClass=*,
|
|
* these clauses are redundant.
|
|
*/
|
|
if (!oc_filter(op->oq_search.rs_filter, 1, &depth)
|
|
&& !get_subentries_visibility(op)
|
|
&& !is_sync_protocol(op) )
|
|
{
|
|
if( !get_manageDSAit(op) && !get_domainScope(op) ) {
|
|
/* match referral objects */
|
|
struct berval bv_ref = { sizeof("referral")-1, "referral" };
|
|
rf.f_choice = LDAP_FILTER_EQUALITY;
|
|
rf.f_ava = &aa_ref;
|
|
rf.f_av_desc = slap_schema.si_ad_objectClass;
|
|
rf.f_av_value = bv_ref;
|
|
rf.f_next = xf.f_or;
|
|
xf.f_or = &rf;
|
|
depth++;
|
|
}
|
|
}
|
|
|
|
f.f_next = NULL;
|
|
f.f_choice = LDAP_FILTER_AND;
|
|
f.f_and = &nf;
|
|
/* Dummy; we compute scope separately now */
|
|
nf.f_choice = SLAPD_FILTER_COMPUTED;
|
|
nf.f_result = LDAP_SUCCESS;
|
|
nf.f_next = ( xf.f_or == op->oq_search.rs_filter )
|
|
? op->oq_search.rs_filter : &xf ;
|
|
/* Filter depth increased again, adding dummy clause */
|
|
depth++;
|
|
|
|
#ifdef BDB_SUBENTRIES
|
|
if( get_subentries_visibility( op ) ) {
|
|
struct berval bv_subentry = { sizeof("SUBENTRY")-1, "SUBENTRY" };
|
|
sf.f_choice = LDAP_FILTER_EQUALITY;
|
|
sf.f_ava = &aa_subentry;
|
|
sf.f_av_desc = slap_schema.si_ad_objectClass;
|
|
sf.f_av_value = bv_subentry;
|
|
sf.f_next = nf.f_next;
|
|
nf.f_next = &sf;
|
|
}
|
|
#endif
|
|
|
|
/* Allocate IDL stack, plus 1 more for former tmp */
|
|
if ( depth+1 > bdb->bi_search_stack_depth ) {
|
|
stack = ch_malloc( (depth + 1) * BDB_IDL_UM_SIZE * sizeof( ID ) );
|
|
} else {
|
|
stack = search_stack( stackop );
|
|
}
|
|
|
|
if( op->ors_deref & LDAP_DEREF_SEARCHING ) {
|
|
rc = search_aliases( op, rs, e, locker, ids, scopes, stack );
|
|
} else {
|
|
rc = bdb_dn2idl( op, e, ids, stack );
|
|
}
|
|
|
|
if ( rc == LDAP_SUCCESS ) {
|
|
rc = bdb_filter_candidates( op, &f, ids,
|
|
stack, stack+BDB_IDL_UM_SIZE );
|
|
}
|
|
|
|
if ( depth+1 > bdb->bi_search_stack_depth ) {
|
|
ch_free( stack );
|
|
}
|
|
|
|
if( rc ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, DETAIL1,
|
|
"bdb_search_candidates: failed (rc=%d)\n", rc, 0, 0 );
|
|
#else
|
|
Debug(LDAP_DEBUG_TRACE,
|
|
"bdb_search_candidates: failed (rc=%d)\n",
|
|
rc, NULL, NULL );
|
|
#endif
|
|
|
|
} else {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, DETAIL1,
|
|
"bdb_search_candidates: id=%ld first=%ld last=%ld\n",
|
|
(long) ids[0], (long) BDB_IDL_FIRST(ids),
|
|
(long) BDB_IDL_LAST(ids));
|
|
#else
|
|
Debug(LDAP_DEBUG_TRACE,
|
|
"bdb_search_candidates: id=%ld first=%ld last=%ld\n",
|
|
(long) ids[0],
|
|
(long) BDB_IDL_FIRST(ids),
|
|
(long) BDB_IDL_LAST(ids) );
|
|
#endif
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void
|
|
send_paged_response(
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
ID lastid,
|
|
int tentries )
|
|
{
|
|
LDAPControl ctrl, *ctrls[2];
|
|
BerElementBuffer berbuf;
|
|
BerElement *ber = (BerElement *)&berbuf;
|
|
struct berval cookie = BER_BVNULL;
|
|
PagedResultsCookie respcookie;
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, ENTRY,
|
|
"send_paged_response: lastid: (0x%08lx) "
|
|
"nentries: (0x%081x)\n",
|
|
lastid, rs->sr_nentries, NULL );
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "send_paged_response: lastid: (0x%08lx) "
|
|
"nentries: (0x%081x)\n", lastid, rs->sr_nentries, NULL );
|
|
#endif
|
|
|
|
ctrl.ldctl_value.bv_val = NULL;
|
|
ctrls[0] = &ctrl;
|
|
ctrls[1] = NULL;
|
|
|
|
ber_init2( ber, NULL, LBER_USE_DER );
|
|
|
|
respcookie = ( PagedResultsCookie )lastid;
|
|
op->o_conn->c_pagedresults_state.ps_cookie = respcookie;
|
|
op->o_conn->c_pagedresults_state.ps_count =
|
|
op->o_pagedresults_state.ps_count + rs->sr_nentries;
|
|
cookie.bv_len = sizeof( respcookie );
|
|
cookie.bv_val = (char *)&respcookie;
|
|
|
|
/*
|
|
* FIXME: we should consider sending an estimate of the entries
|
|
* left, after appropriate security check is done
|
|
*/
|
|
ber_printf( ber, "{iO}", tentries, &cookie );
|
|
|
|
if ( ber_flatten2( ber, &ctrls[0]->ldctl_value, 0 ) == -1 ) {
|
|
goto done;
|
|
}
|
|
|
|
ctrls[0]->ldctl_oid = LDAP_CONTROL_PAGEDRESULTS;
|
|
ctrls[0]->ldctl_iscritical = 0;
|
|
|
|
rs->sr_ctrls = ctrls;
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
send_ldap_result( op, rs );
|
|
|
|
done:
|
|
(void) ber_free_buf( ber );
|
|
}
|
|
|