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123 lines
3.5 KiB
C
123 lines
3.5 KiB
C
/* compare.c - ldap backend compare function */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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/* This is an altered version */
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/*
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* Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
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*
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* Permission is granted to anyone to use this software for any purpose
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* on any computer system, and to alter it and redistribute it, subject
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* to the following restrictions:
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*
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* 1. The author is not responsible for the consequences of use of this
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* software, no matter how awful, even if they arise from flaws in it.
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*
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* 2. The origin of this software must not be misrepresented, either by
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* explicit claim or by omission. Since few users ever read sources,
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* credits should appear in the documentation.
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*
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* 3. Altered versions must be plainly marked as such, and must not be
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* misrepresented as being the original software. Since few users
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* ever read sources, credits should appear in the documentation.
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*
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* 4. This notice may not be removed or altered.
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*
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*
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*
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* Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
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*
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* This software is being modified by Pierangelo Masarati.
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* The previously reported conditions apply to the modified code as well.
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* Changes in the original code are highlighted where required.
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* Credits for the original code go to the author, Howard Chu.
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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, mapped_val;
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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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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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}
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}
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rs->sr_err = ldap_compare_ext( lc->ld, mdn.bv_val, mapped_at.bv_val,
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&mapped_val, op->o_ctrls, NULL, &msgid );
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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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return( ldap_back_op_result( lc, op, rs, msgid, 1 ) );
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}
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