crypt_client.c

RTEMS (Real-Time Executive for Multiprocessor Systems) is a free open source real-time operating sys

/*
 * Copyright (c) 1996
 *	Bill Paul <[e-mail]>.  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.
 *
 * $FreeBSD: src/lib/libc/rpc/crypt_client.c,v 1.4 1999/08/28 00:00:37 peter Exp $
 */

#include <sys/types.h>
#include <rpc/des_crypt.h>
#include <rpc/des.h>
#include <string.h>
#include <rpcsvc/crypt.h>

#ifndef lint
static const char rcsid[] = "$FreeBSD: src/lib/libc/rpc/crypt_client.c,v 1.4 1999/08/28 00:00:37 peter Exp $";
#endif

#ifndef KEYSERVSOCK
#define KEYSERVSOCK "/var/run/keyservsock"
#endif

int
_des_crypt_call(buf, len, dparms)
	char *buf;
	int len;
	struct desparams *dparms;
{
	CLIENT *clnt;
	desresp  *result_1;
	desargs  des_crypt_1_arg;
	int	stat;

	clnt = clnt_create(KEYSERVSOCK, CRYPT_PROG, CRYPT_VERS, "unix");
	if (clnt == (CLIENT *) NULL) {
		return(DESERR_HWERROR);
	}

	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, xdr_desresp, (char *)result_1);
	clnt_destroy(clnt);

	return(stat);
}