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https://git.openldap.org/openldap/openldap.git
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110 lines
2.3 KiB
C
110 lines
2.3 KiB
C
/* compare.c - ldbm backend compare routine */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include "slap.h"
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#include "back-ldbm.h"
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#include "proto-back-ldbm.h"
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int
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ldbm_back_compare(
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Backend *be,
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Connection *conn,
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Operation *op,
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char *dn,
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char *ndn,
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Ava *ava
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)
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{
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struct ldbminfo *li = (struct ldbminfo *) be->be_private;
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Entry *matched;
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Entry *e;
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Attribute *a;
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int rc;
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int manageDSAit = get_manageDSAit( op );
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/* get entry with reader lock */
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if ( (e = dn2entry_r( be, ndn, &matched )) == NULL ) {
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char *matched_dn = NULL;
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struct berval **refs = NULL;
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if ( matched != NULL ) {
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matched_dn = ch_strdup( matched->e_dn );
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refs = is_entry_referral( matched )
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? get_entry_referrals( be, conn, op, matched )
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: NULL;
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cache_return_entry_r( &li->li_cache, matched );
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} else {
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refs = default_referral;
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}
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send_ldap_result( conn, op, LDAP_REFERRAL,
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matched_dn, NULL, refs, NULL );
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if( matched != NULL ) {
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ber_bvecfree( refs );
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free( matched_dn );
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}
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return( 1 );
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}
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if (!manageDSAit && is_entry_referral( e ) ) {
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/* entry is a referral, don't allow add */
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struct berval **refs = get_entry_referrals( be,
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conn, op, e );
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Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_REFERRAL,
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e->e_dn, NULL, refs, NULL );
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ber_bvecfree( refs );
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rc = 1;
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goto return_results;
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}
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if ( ! access_allowed( be, conn, op, e,
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ava->ava_type, &ava->ava_value, ACL_COMPARE ) )
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{
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send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
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NULL, NULL, NULL, NULL );
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rc = 1;
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goto return_results;
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}
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if ( (a = attr_find( e->e_attrs, ava->ava_type )) == NULL ) {
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send_ldap_result( conn, op, LDAP_NO_SUCH_ATTRIBUTE,
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NULL, NULL, NULL, NULL );
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rc = 1;
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goto return_results;
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}
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#ifdef SLAPD_SCHEMA_COMPAT
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if ( value_find( a->a_vals, &ava->ava_value, a->a_syntax, 1 ) == 0 )
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send_ldap_result( conn, op, LDAP_COMPARE_TRUE,
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NULL, NULL, NULL, NULL );
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else
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#endif
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send_ldap_result( conn, op, LDAP_COMPARE_FALSE,
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NULL, NULL, NULL, NULL );
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rc = 0;
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return_results:;
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cache_return_entry_r( &li->li_cache, e );
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return( rc );
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}
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