/*
 * search.c - tcl search routines
 *
 * Copyright 1999, Ben Collins <bcollins@debian.org>, All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted only
 * as authorized by the OpenLDAP Public License.  A copy of this
 * license is available at http://www.OpenLDAP.org/license.html or
 * in file LICENSE in the top-level directory of the distribution.
 *
 * $Id$
 *
 * $Log$
 */

#include "portable.h"

#include <stdio.h>

#include "slap.h"
#include "tcl_back.h"

int tcl_back_search (
	Backend * be,
	Connection * conn,
	Operation * op,
	char *base,
	int scope,
	int deref,
	int sizelimit,
	int timelimit,
	Filter * filter,
	char *filterstr,
	char **attrs,
	int attrsonly
)
{
	char *attrs_tcl = NULL, *suf_tcl, *results, *command;
	int i, err = 0, code;
	struct tclinfo *ti = (struct tclinfo *) be->be_private;
	Entry *e;

	if (ti->ti_search == NULL) {
		send_ldap_result (conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
			"search not implemented");
		return (-1);
	}

	for ( i = 0; attrs != NULL && attrs[i] != NULL; i++ )
		;
	if (i > 0)
		attrs_tcl = Tcl_Merge(i, attrs);

	for ( i = 0; be->be_suffix[i] != NULL; i++ )
		;
	suf_tcl = Tcl_Merge(i, be->be_suffix);

	command = (char *) ch_malloc (strlen(ti->ti_search) + strlen(suf_tcl)
		+ strlen(base) + 40 + strlen(filterstr) + (attrs_tcl == NULL ? 5
		: strlen(attrs_tcl)) + 72);
	sprintf(command, "%s SEARCH {%ld} {%s} {%s} {%d} {%d} {%d} {%d} {%s} {%d} {%s}",
		ti->ti_search, op->o_msgid, suf_tcl, base, scope, deref,
		sizelimit, timelimit, filterstr, attrsonly ? 1 : 0, attrs_tcl == 
		NULL ? "{all}" : attrs_tcl);
	Tcl_Free( attrs_tcl );
	Tcl_Free( suf_tcl );

	ldap_pvt_thread_mutex_lock( &tcl_interpreter_mutex );
	code = Tcl_GlobalEval(ti->ti_ii->interp, command);
	results = (char *) strdup(ti->ti_ii->interp->result);
	ldap_pvt_thread_mutex_unlock( &tcl_interpreter_mutex );
	free(command);

	if (code != TCL_OK) {
		err = LDAP_OPERATIONS_ERROR;
		Debug(LDAP_DEBUG_ANY, "tcl_search_error: %s\n", results, 0, 0);
	} else {
		interp_send_results ( be, conn, op, results, NULL, 0 );
	}

	if (err != LDAP_SUCCESS)
		send_ldap_result (conn, op, err, NULL, "internal backend error");
	return (0);

}