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https://git.openldap.org/openldap/openldap.git
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129 lines
3.6 KiB
C
129 lines
3.6 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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Backend *be,
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Connection *conn,
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Operation *op,
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struct berval *dn,
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struct berval *ndn,
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AttributeAssertion *ava
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)
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{
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struct ldapinfo *li = (struct ldapinfo *) be->be_private;
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struct ldapconn *lc;
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struct berval mapped_oc, mapped_at;
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struct berval mdn = { 0, NULL };
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int rc;
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ber_int_t msgid;
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lc = ldap_back_getconn(li, conn, op);
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if (!lc || !ldap_back_dobind( li, lc, conn, op ) ) {
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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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#ifdef ENABLE_REWRITE
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switch ( rewrite_session( li->rwinfo, "compareDn", dn->bv_val, conn, &mdn.bv_val ) ) {
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case REWRITE_REGEXEC_OK:
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if ( mdn.bv_val == NULL ) {
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mdn.bv_val = ( char * )dn->bv_val;
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}
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#ifdef NEW_LOGGING
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LDAP_LOG( BACK_LDAP, DETAIL1,
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"[rw] compareDn: \"%s\" -> \"%s\"\n", dn->bv_val, mdn.bv_val, 0 );
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#else /* !NEW_LOGGING */
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Debug( LDAP_DEBUG_ARGS, "rw> compareDn: \"%s\" -> \"%s\"\n%s",
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dn->bv_val, mdn.bv_val, "" );
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#endif /* !NEW_LOGGING */
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break;
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case REWRITE_REGEXEC_UNWILLING:
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send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
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NULL, "Operation not allowed", NULL, NULL );
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return( -1 );
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case REWRITE_REGEXEC_ERR:
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send_ldap_result( conn, op, LDAP_OTHER,
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NULL, "Rewrite error", NULL, NULL );
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return( -1 );
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}
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#else /* !ENABLE_REWRITE */
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ldap_back_dn_massage( li, dn, &mdn, 0, 1 );
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if ( mdn.bv_val == NULL ) {
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return -1;
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}
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#endif /* !ENABLE_REWRITE */
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if ( ava->aa_desc == slap_schema.si_ad_objectClass ) {
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ldap_back_map(&li->oc_map, &ava->aa_desc->ad_cname, &mapped_oc,
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BACKLDAP_MAP);
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if (mapped_oc.bv_val == NULL || mapped_oc.bv_val[0] == '\0') {
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return( -1 );
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}
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} else {
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ldap_back_map(&li->at_map, &ava->aa_value, &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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}
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rc = ldap_compare_ext( lc->ld, mdn.bv_val, mapped_oc.bv_val,
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&mapped_at, op->o_ctrls, NULL, &msgid );
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if ( mdn.bv_val != dn->bv_val ) {
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free( mdn.bv_val );
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}
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return( ldap_back_op_result( li, lc, conn, op, msgid, rc, 1 ) );
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}
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