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142 lines
3.6 KiB
C
142 lines
3.6 KiB
C
/* compare.c - ldap backend compare function */
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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 2003-2004 The OpenLDAP Foundation.
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* Portions Copyright 1999-2003 Howard Chu.
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* Portions Copyright 2000-2003 Pierangelo Masarati.
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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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/* ACKNOWLEDGEMENTS:
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* This work was initially developed by the Howard Chu for inclusion
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* in OpenLDAP Software and subsequently enhanced by Pierangelo
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* Masarati.
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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 <ac/socket.h>
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#include "slap.h"
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#include "back-ldap.h"
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int
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ldap_back_compare(
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Operation *op,
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SlapReply *rs )
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{
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struct ldapinfo *li = (struct ldapinfo *) op->o_bd->be_private;
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struct ldapconn *lc;
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struct berval mapped_at = { 0, NULL }, mapped_val = { 0, NULL };
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struct berval mdn = { 0, NULL };
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ber_int_t msgid;
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int freeval = 0;
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dncookie dc;
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#ifdef LDAP_BACK_PROXY_AUTHZ
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LDAPControl **ctrls = NULL;
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int rc = LDAP_SUCCESS;
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#endif /* LDAP_BACK_PROXY_AUTHZ */
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lc = ldap_back_getconn(op, rs);
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if (!lc || !ldap_back_dobind( lc, op, rs ) ) {
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return( -1 );
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}
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/*
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* Rewrite the compare dn, if needed
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*/
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dc.rwmap = &li->rwmap;
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#ifdef ENABLE_REWRITE
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dc.conn = op->o_conn;
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dc.rs = rs;
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dc.ctx = "compareDn";
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#else
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dc.tofrom = 1;
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dc.normalized = 0;
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#endif
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if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
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send_ldap_result( op, rs );
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return -1;
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}
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if ( op->orc_ava->aa_desc == slap_schema.si_ad_objectClass
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|| op->orc_ava->aa_desc == slap_schema.si_ad_structuralObjectClass ) {
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ldap_back_map(&li->rwmap.rwm_oc, &op->orc_ava->aa_value,
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&mapped_val, BACKLDAP_MAP);
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if (mapped_val.bv_val == NULL || mapped_val.bv_val[0] == '\0') {
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return( -1 );
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}
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mapped_at = op->orc_ava->aa_desc->ad_cname;
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} else {
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ldap_back_map(&li->rwmap.rwm_at,
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&op->orc_ava->aa_desc->ad_cname, &mapped_at,
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BACKLDAP_MAP);
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if (mapped_at.bv_val == NULL || mapped_at.bv_val[0] == '\0') {
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return( -1 );
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}
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if (op->orc_ava->aa_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) {
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#ifdef ENABLE_REWRITE
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dc.ctx = "compareAttrDN";
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#endif
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ldap_back_dn_massage( &dc, &op->orc_ava->aa_value, &mapped_val );
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if (mapped_val.bv_val == NULL || mapped_val.bv_val[0] == '\0') {
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mapped_val = op->orc_ava->aa_value;
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} else if (mapped_val.bv_val != op->orc_ava->aa_value.bv_val) {
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freeval = 1;
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}
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} else {
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mapped_val = op->orc_ava->aa_value;
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}
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}
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#ifdef LDAP_BACK_PROXY_AUTHZ
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rc = ldap_back_proxy_authz_ctrl( lc, op, rs, &ctrls );
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if ( rc != LDAP_SUCCESS ) {
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goto cleanup;
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}
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#endif /* LDAP_BACK_PROXY_AUTHZ */
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rs->sr_err = ldap_compare_ext( lc->ld, mdn.bv_val,
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mapped_at.bv_val, &mapped_val,
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#ifdef LDAP_BACK_PROXY_AUTHZ
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ctrls,
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#else /* ! LDAP_BACK_PROXY_AUTHZ */
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op->o_ctrls,
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#endif /* ! LDAP_BACK_PROXY_AUTHZ */
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NULL, &msgid );
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#ifdef LDAP_BACK_PROXY_AUTHZ
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cleanup:
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if ( ctrls && ctrls != op->o_ctrls ) {
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free( ctrls[ 0 ] );
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free( ctrls );
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}
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#endif /* LDAP_BACK_PROXY_AUTHZ */
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if ( mdn.bv_val != op->o_req_dn.bv_val ) {
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free( mdn.bv_val );
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}
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if ( freeval ) {
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free( mapped_val.bv_val );
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}
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#ifdef LDAP_BACK_PROXY_AUTHZ
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if ( rc != LDAP_SUCCESS ) {
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send_ldap_result( op, rs );
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return -1;
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}
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#endif /* LDAP_BACK_PROXY_AUTHZ */
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return( ldap_back_op_result( lc, op, rs, msgid, 1 ) );
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}
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