/* 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>
*
* ever read sources, credits should appear in the documentation.
*
* 4. This notice may not be removed or altered.
+ *
+ *
+ *
+ * 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.
*/
#include "portable.h"
int
ldap_back_compare(
- Backend *be,
- Connection *conn,
Operation *op,
- char *dn,
- char *ndn,
- Ava *ava
-)
+ SlapReply *rs )
{
- struct ldapinfo *li = (struct ldapinfo *) be->be_private;
+ 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;
- lc = ldap_back_getconn(li, conn, op);
- if (!lc)
+ lc = ldap_back_getconn(op, rs);
+ if (!lc || !ldap_back_dobind( lc, op, rs ) ) {
return( -1 );
+ }
- if (!lc->bound) {
- ldap_back_dobind(lc, op);
- if (!lc->bound)
+ /*
+ * 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 ) ) {
+ send_ldap_result( op, rs );
+ return -1;
+ }
+
+ if ( op->orc_ava->aa_desc == slap_schema.si_ad_objectClass
+ || op->orc_ava->aa_desc == slap_schema.si_ad_structuralObjectClass ) {
+ 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;
+ }
+ }
}
- ldap_compare_s( lc->ld, dn, ava->ava_type, ava->ava_value.bv_val );
- return( ldap_back_op_result( lc, op ) );
+ 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 );
+ }
+
+ return( ldap_back_op_result( lc, op, rs, msgid, 1 ) );
}