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100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/* compare.c - shell 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 1998-2015 The OpenLDAP Foundation.
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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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/* Portions Copyright (c) 1995 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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/* ACKNOWLEDGEMENTS:
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* This work was originally developed by the University of Michigan
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* (as part of U-MICH LDAP).
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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 "shell.h"
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int
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shell_back_compare(
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Operation *op,
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SlapReply *rs )
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{
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struct shellinfo *si = (struct shellinfo *) op->o_bd->be_private;
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AttributeDescription *entry = slap_schema.si_ad_entry;
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Entry e;
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FILE *rfp, *wfp;
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if ( si->si_compare == NULL ) {
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send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
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"compare not implemented" );
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return( -1 );
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}
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e.e_id = NOID;
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e.e_name = op->o_req_dn;
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e.e_nname = op->o_req_ndn;
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e.e_attrs = NULL;
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e.e_ocflags = 0;
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e.e_bv.bv_len = 0;
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e.e_bv.bv_val = NULL;
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e.e_private = NULL;
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if ( ! access_allowed( op, &e,
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entry, NULL, ACL_READ, NULL ) )
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{
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send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS, NULL );
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return -1;
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}
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if ( forkandexec( si->si_compare, &rfp, &wfp ) == (pid_t)-1 ) {
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send_ldap_error( op, rs, LDAP_OTHER,
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"could not fork/exec" );
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return( -1 );
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}
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/*
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* FIX ME: This should use LDIF routines so that binary
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* values are properly dealt with
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*/
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/* write out the request to the compare process */
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fprintf( wfp, "COMPARE\n" );
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fprintf( wfp, "msgid: %ld\n", (long) op->o_msgid );
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print_suffixes( wfp, op->o_bd );
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fprintf( wfp, "dn: %s\n", op->o_req_dn.bv_val );
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fprintf( wfp, "%s: %s\n",
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op->oq_compare.rs_ava->aa_desc->ad_cname.bv_val,
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op->oq_compare.rs_ava->aa_value.bv_val /* could be binary! */ );
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fclose( wfp );
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/* read in the result and send it along */
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read_and_send_results( op, rs, rfp );
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fclose( rfp );
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return( 0 );
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}
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