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/*
* 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "namespace.h"
#include <err.h>
#include <sys/types.h>
#include <rpc/des_crypt.h>
#include <rpc/des.h>
#include <string.h>
#include <rpcsvc/crypt.h>
#include "un-namespace.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 == ENCRYPT) ? ENCRYPT_DES : DECRYPT_DES;
des_crypt_1_arg.des_mode = (dparms->des_mode == CBC) ? CBC_DES : ECB_DES;
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);
}
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