100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/*
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* Copyright (c) 1996
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* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "namespace.h"
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#include <err.h>
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#include <sys/types.h>
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#include <rpc/des_crypt.h>
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#include <rpc/des.h>
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#include <string.h>
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#include <rpcsvc/crypt.h>
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#include "un-namespace.h"
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int
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_des_crypt_call(char *buf, int len, struct desparams *dparms)
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{
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CLIENT *clnt;
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desresp *result_1;
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desargs des_crypt_1_arg;
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struct netconfig *nconf;
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void *localhandle;
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int stat;
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nconf = NULL;
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localhandle = setnetconfig();
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while ((nconf = getnetconfig(localhandle)) != NULL) {
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if (nconf->nc_protofmly != NULL &&
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strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0)
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break;
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}
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if (nconf == NULL) {
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warnx("getnetconfig: %s", nc_sperror());
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endnetconfig(localhandle);
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return(DESERR_HWERROR);
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}
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clnt = clnt_tp_create(NULL, CRYPT_PROG, CRYPT_VERS, nconf);
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if (clnt == (CLIENT *) NULL) {
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endnetconfig(localhandle);
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return(DESERR_HWERROR);
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}
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endnetconfig(localhandle);
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des_crypt_1_arg.desbuf.desbuf_len = len;
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des_crypt_1_arg.desbuf.desbuf_val = buf;
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des_crypt_1_arg.des_dir = (dparms->des_dir == ENCRYPT) ? ENCRYPT_DES : DECRYPT_DES;
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des_crypt_1_arg.des_mode = (dparms->des_mode == CBC) ? CBC_DES : ECB_DES;
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bcopy(dparms->des_ivec, des_crypt_1_arg.des_ivec, 8);
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bcopy(dparms->des_key, des_crypt_1_arg.des_key, 8);
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result_1 = des_crypt_1(&des_crypt_1_arg, clnt);
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if (result_1 == (desresp *) NULL) {
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clnt_destroy(clnt);
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return(DESERR_HWERROR);
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}
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stat = result_1->stat;
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if (result_1->stat == DESERR_NONE ||
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result_1->stat == DESERR_NOHWDEVICE) {
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bcopy(result_1->desbuf.desbuf_val, buf, len);
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bcopy(result_1->des_ivec, dparms->des_ivec, 8);
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}
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clnt_freeres(clnt, (xdrproc_t)xdr_desresp, result_1);
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clnt_destroy(clnt);
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return(stat);
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}
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