/* compare.c - ldap backend compare function */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- */
-/* This is an altered version */
-/*
- * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
- *
- * Permission is granted to anyone to use this software for any purpose
- * on any computer system, and to alter it and redistribute it, subject
- * to the following restrictions:
- *
- * 1. The author is not responsible for the consequences of use of this
- * software, no matter how awful, even if they arise from flaws in it.
- *
- * 2. The origin of this software must not be misrepresented, either by
- * explicit claim or by omission. Since few users ever read sources,
- * credits should appear in the documentation.
- *
- * 3. Altered versions must be plainly marked as such, and must not be
- * misrepresented as being the original software. Since few users
- * ever read sources, credits should appear in the documentation.
- *
- * 4. This notice may not be removed or altered.
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
+ * Copyright 2003-2009 The OpenLDAP Foundation.
+ * Portions Copyright 1999-2003 Howard Chu.
+ * Portions Copyright 2000-2003 Pierangelo Masarati.
+ * 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.
*
- * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
- *
- * This software is being modified by Pierangelo Masarati.
- * The previously reported conditions apply to the modified code as well.
- * Changes in the original code are highlighted where required.
- * Credits for the original code go to the author, Howard Chu.
+ * 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>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by the Howard Chu for inclusion
+ * in OpenLDAP Software and subsequently enhanced by Pierangelo
+ * Masarati.
*/
#include "portable.h"
int
ldap_back_compare(
- Operation *op,
- SlapReply *rs )
+ Operation *op,
+ SlapReply *rs )
{
- struct ldapinfo *li = (struct ldapinfo *) op->o_bd->be_private;
- struct ldapconn *lc;
- struct berval mapped_at, mapped_val;
- struct berval mdn = { 0, NULL };
- ber_int_t msgid;
- int freeval = 0;
- dncookie dc;
+ ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
+
+ ldapconn_t *lc = NULL;
+ ber_int_t msgid;
+ ldap_back_send_t retrying = LDAP_BACK_RETRYING;
+ LDAPControl **ctrls = NULL;
+ int rc = LDAP_SUCCESS;
- lc = ldap_back_getconn(op, rs);
- if (!lc || !ldap_back_dobind( lc, op, rs ) ) {
- return( -1 );
+ if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
+ lc = NULL;
+ goto cleanup;
}
- /*
- * Rewrite the compare dn, if needed
- */
- dc.rwmap = &li->rwmap;
-#ifdef ENABLE_REWRITE
- dc.conn = op->o_conn;
- dc.rs = rs;
- dc.ctx = "compareDn";
-#else
- dc.tofrom = 1;
- dc.normalized = 0;
-#endif
- if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
+retry:
+ ctrls = op->o_ctrls;
+ rc = ldap_back_controls_add( op, rs, lc, &ctrls );
+ if ( rc != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
- return -1;
+ goto cleanup;
}
- if ( op->oq_compare.rs_ava->aa_desc == slap_schema.si_ad_objectClass ) {
- ldap_back_map(&li->rwmap.rwm_oc, &op->orc_ava->aa_value,
- &mapped_val, BACKLDAP_MAP);
- if (mapped_val.bv_val == NULL || mapped_val.bv_val[0] == '\0') {
- return( -1 );
- }
- mapped_at = op->orc_ava->aa_desc->ad_cname;
- } else {
- ldap_back_map(&li->rwmap.rwm_at,
- &op->orc_ava->aa_desc->ad_cname, &mapped_at,
- BACKLDAP_MAP);
- if (mapped_at.bv_val == NULL || mapped_at.bv_val[0] == '\0') {
- return( -1 );
- }
- if (op->orc_ava->aa_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) {
-#ifdef ENABLE_REWRITE
- dc.ctx = "compareAttrDN";
-#endif
- ldap_back_dn_massage( &dc, &op->orc_ava->aa_value, &mapped_val );
- if (mapped_val.bv_val == NULL || mapped_val.bv_val[0] == '\0') {
- mapped_val = op->orc_ava->aa_value;
- } else if (mapped_val.bv_val != op->orc_ava->aa_value.bv_val) {
- freeval = 1;
- }
+ rs->sr_err = ldap_compare_ext( lc->lc_ld, op->o_req_dn.bv_val,
+ op->orc_ava->aa_desc->ad_cname.bv_val,
+ &op->orc_ava->aa_value,
+ ctrls, NULL, &msgid );
+ rc = ldap_back_op_result( lc, op, rs, msgid,
+ li->li_timeout[ SLAP_OP_COMPARE ],
+ ( LDAP_BACK_SENDRESULT | retrying ) );
+ if ( rc == LDAP_UNAVAILABLE && retrying ) {
+ retrying &= ~LDAP_BACK_RETRYING;
+ if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
+ /* if the identity changed, there might be need to re-authz */
+ (void)ldap_back_controls_free( op, rs, &ctrls );
+ goto retry;
}
}
- rs->sr_err = ldap_compare_ext( lc->ld, mdn.bv_val, mapped_at.bv_val,
- &mapped_val, op->o_ctrls, NULL, &msgid );
-
- if ( mdn.bv_val != op->o_req_dn.bv_val ) {
- free( mdn.bv_val );
- }
- if ( freeval ) {
- free( mapped_val.bv_val );
- }
+cleanup:
+ (void)ldap_back_controls_free( op, rs, &ctrls );
- return( ldap_back_op_result( lc, op, rs, msgid, 1 ) );
+ if ( lc != NULL ) {
+ ldap_back_release_conn( li, lc );
+ }
+
+ return rs->sr_err;
}
projects / openldap / blobdiff