openldap/servers/slapd/back-shell/compare.c
2001-12-29 15:24:53 +00:00

65 lines
1.5 KiB
C

/* compare.c - shell backend compare function */
/* $OpenLDAP$ */
/*
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "shell.h"
int
shell_back_compare(
Backend *be,
Connection *conn,
Operation *op,
struct berval *dn,
struct berval *ndn,
AttributeAssertion *ava
)
{
struct shellinfo *si = (struct shellinfo *) be->be_private;
FILE *rfp, *wfp;
if ( si->si_compare == NULL ) {
send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
"compare not implemented", NULL, NULL );
return( -1 );
}
if ( (op->o_private = (void *) forkandexec( si->si_compare, &rfp, &wfp ))
== (void *) -1 ) {
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL,
"could not fork/exec", NULL, NULL );
return( -1 );
}
/*
* FIX ME: This should use LDIF routines so that binary
* values are properly dealt with
*/
/* write out the request to the compare process */
fprintf( wfp, "COMPARE\n" );
fprintf( wfp, "msgid: %ld\n", (long) op->o_msgid );
print_suffixes( wfp, be );
fprintf( wfp, "dn: %s\n", dn->bv_val );
fprintf( wfp, "%s: %s\n",
ava->aa_desc->ad_cname.bv_val,
ava->aa_value.bv_val /* could be binary! */ );
fclose( wfp );
/* read in the result and send it along */
read_and_send_results( be, conn, op, rfp, NULL, 0 );
fclose( rfp );
return( 0 );
}