/* 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(
- Backend *be,
- Connection *conn,
- Operation *op,
- struct berval *dn,
- struct berval *ndn,
- AttributeAssertion *ava
-)
+ Operation *op,
+ SlapReply *rs )
{
- struct ldapinfo *li = (struct ldapinfo *) be->be_private;
- struct ldapconn *lc;
- struct berval mapped_oc, mapped_at;
- struct berval mdn = { 0, NULL };
+ ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
- lc = ldap_back_getconn(li, conn, op);
- if (!lc || !ldap_back_dobind( lc, op ) ) {
- return( -1 );
- }
+ ldapconn_t *lc = NULL;
+ ber_int_t msgid;
+ ldap_back_send_t retrying = LDAP_BACK_RETRYING;
+ LDAPControl **ctrls = NULL;
+ int rc = LDAP_SUCCESS;
- /*
- * Rewrite the compare dn, if needed
- */
-#ifdef ENABLE_REWRITE
- switch ( rewrite_session( li->rwinfo, "compareDn", dn->bv_val, conn, &mdn.bv_val ) ) {
- case REWRITE_REGEXEC_OK:
- if ( mdn.bv_val == NULL ) {
- mdn.bv_val = ( char * )dn->bv_val;
- }
-#ifdef NEW_LOGGING
- LDAP_LOG( BACK_LDAP, DETAIL1,
- "[rw] compareDn: \"%s\" -> \"%s\"\n", dn->bv_val, mdn.bv_val, 0 );
-#else /* !NEW_LOGGING */
- Debug( LDAP_DEBUG_ARGS, "rw> compareDn: \"%s\" -> \"%s\"\n%s",
- dn->bv_val, mdn.bv_val, "" );
-#endif /* !NEW_LOGGING */
- break;
-
- case REWRITE_REGEXEC_UNWILLING:
- send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
- NULL, "Operation not allowed", NULL, NULL );
- return( -1 );
-
- case REWRITE_REGEXEC_ERR:
- send_ldap_result( conn, op, LDAP_OTHER,
- NULL, "Rewrite error", NULL, NULL );
- return( -1 );
- }
-#else /* !ENABLE_REWRITE */
- ldap_back_dn_massage( li, dn, &mdn, 0, 1 );
- if ( mdn.bv_val == NULL ) {
- return -1;
+ if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
+ lc = NULL;
+ goto cleanup;
}
-#endif /* !ENABLE_REWRITE */
-
- ldap_back_map(&li->oc_map, &ava->aa_desc->ad_cname, &mapped_oc, 0);
- if (mapped_oc.bv_val == NULL)
- return( -1 );
- ldap_back_map(&li->at_map, &ava->aa_value, &mapped_at, 0);
- if (mapped_at.bv_val == NULL)
- return( -1 );
-
- ldap_compare_s( lc->ld, mdn.bv_val, mapped_oc.bv_val, mapped_at.bv_val );
+retry:
+ ctrls = op->o_ctrls;
+ rc = ldap_back_controls_add( op, rs, lc, &ctrls );
+ if ( rc != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ goto cleanup;
+ }
- if ( mdn.bv_val != dn->bv_val ) {
- free( mdn.bv_val );
+ 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;
+ }
}
+
+cleanup:
+ (void)ldap_back_controls_free( op, rs, &ctrls );
- return( ldap_back_op_result( lc, op ) );
+ if ( lc != NULL ) {
+ ldap_back_release_conn( li, lc );
+ }
+
+ return rs->sr_err;
}
projects / openldap / blobdiff