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https://git.openldap.org/openldap/openldap.git
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40b685b70d
Written by Hallvard B. Furuseth and placed into the public domain. This software is not subject to any license of the University of Oslo.
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
/* compare.c - shell backend compare function */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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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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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 shellinfo *si = (struct shellinfo *) be->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_result( conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
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"compare not implemented", NULL, NULL );
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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 = *dn;
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e.e_nname = *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( be, conn, op, &e,
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entry, NULL, ACL_READ, NULL ) )
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{
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send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
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NULL, NULL, NULL, NULL );
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return -1;
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}
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if ( (op->o_private = (void *) forkandexec( si->si_compare, &rfp, &wfp ))
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== (void *) -1 ) {
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send_ldap_result( conn, op, LDAP_OTHER, NULL,
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"could not fork/exec", NULL, NULL );
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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, be );
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fprintf( wfp, "dn: %s\n", dn->bv_val );
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fprintf( wfp, "%s: %s\n",
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ava->aa_desc->ad_cname.bv_val,
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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( be, conn, op, rfp, NULL, 0 );
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fclose( rfp );
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return( 0 );
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}
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