/*

 * Copyright (c) 1996

 *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. All advertising materials mentioning features or use of this software

 *    must display the following acknowledgement:

 *	This product includes software developed by Bill Paul.

 * 4. Neither the name of the author nor the names of any co-contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 */

#include <err.h>

#include <sys/types.h>

#include <rpc/des_crypt.h>

#include <rpc/des.h>

#include <string.h>

#include <rpcsvc/crypt.h>

#include <netconfig.h>

int

_des_crypt_call(buf, len, dparms)

	char *buf;

	int len;

	struct desparams *dparms;

{

	CLIENT *clnt;

	desresp  *result_1;

	desargs  des_crypt_1_arg;

	struct netconfig *nconf;

	void *localhandle;

	int stat;

	nconf = NULL;

	localhandle = setnetconfig();

	while ((nconf = getnetconfig(localhandle)) != NULL) {

		if (nconf->nc_protofmly != NULL &&

		     strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0)

			break;

	}

	if (nconf == NULL) {

		warnx("getnetconfig: %s", nc_sperror());

		return(DESERR_HWERROR);

	}

	clnt = clnt_tp_create(NULL, CRYPT_PROG, CRYPT_VERS, nconf);

	if (clnt == (CLIENT *) NULL) {

		endnetconfig(localhandle);

		return(DESERR_HWERROR);

	}

	endnetconfig(localhandle);

	des_crypt_1_arg.desbuf.desbuf_len = len;

	des_crypt_1_arg.desbuf.desbuf_val = buf;

	des_crypt_1_arg.des_dir = dparms->des_dir;

	des_crypt_1_arg.des_mode = dparms->des_mode;

	bcopy(dparms->des_ivec, des_crypt_1_arg.des_ivec, 8);

	bcopy(dparms->des_key, des_crypt_1_arg.des_key, 8);

	result_1 = des_crypt_1(&des_crypt_1_arg, clnt);

	if (result_1 == (desresp *) NULL) {

		clnt_destroy(clnt);

		return(DESERR_HWERROR);

	}

	stat = result_1->stat;

	if (result_1->stat == DESERR_NONE ||

	    result_1->stat == DESERR_NOHWDEVICE) {

		bcopy(result_1->desbuf.desbuf_val, buf, len);

		bcopy(result_1->des_ivec, dparms->des_ivec, 8);

	}

	clnt_freeres(clnt, (xdrproc_t)xdr_desresp, result_1);

	clnt_destroy(clnt);

	return(stat);

}