1 /*-
2 * SPDX-License-Identifier: BSD-4-Clause
3 *
4 * Copyright (c) 1996
5 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Bill Paul.
18 * 4. Neither the name of the author nor the names of any co-contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #include "namespace.h"
36 #include <err.h>
37 #include <sys/types.h>
38 #include <rpc/des_crypt.h>
39 #include <rpc/des.h>
40 #include <string.h>
41 #include <rpcsvc/crypt.h>
42 #include "un-namespace.h"
43
44 int
_des_crypt_call(char * buf,int len,struct desparams * dparms)45 _des_crypt_call(char *buf, int len, struct desparams *dparms)
46 {
47 CLIENT *clnt;
48 desresp *result_1;
49 desargs des_crypt_1_arg;
50 struct netconfig *nconf;
51 void *localhandle;
52 int stat;
53
54 nconf = NULL;
55 localhandle = setnetconfig();
56 while ((nconf = getnetconfig(localhandle)) != NULL) {
57 if (nconf->nc_protofmly != NULL &&
58 strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0)
59 break;
60 }
61 if (nconf == NULL) {
62 warnx("getnetconfig: %s", nc_sperror());
63 endnetconfig(localhandle);
64 return(DESERR_HWERROR);
65 }
66 clnt = clnt_tp_create(NULL, CRYPT_PROG, CRYPT_VERS, nconf);
67 if (clnt == (CLIENT *) NULL) {
68 endnetconfig(localhandle);
69 return(DESERR_HWERROR);
70 }
71 endnetconfig(localhandle);
72
73 des_crypt_1_arg.desbuf.desbuf_len = len;
74 des_crypt_1_arg.desbuf.desbuf_val = buf;
75 des_crypt_1_arg.des_dir = (dparms->des_dir == ENCRYPT) ? ENCRYPT_DES : DECRYPT_DES;
76 des_crypt_1_arg.des_mode = (dparms->des_mode == CBC) ? CBC_DES : ECB_DES;
77 bcopy(dparms->des_ivec, des_crypt_1_arg.des_ivec, 8);
78 bcopy(dparms->des_key, des_crypt_1_arg.des_key, 8);
79
80 result_1 = des_crypt_1(&des_crypt_1_arg, clnt);
81 if (result_1 == (desresp *) NULL) {
82 clnt_destroy(clnt);
83 return(DESERR_HWERROR);
84 }
85
86 stat = result_1->stat;
87
88 if (result_1->stat == DESERR_NONE ||
89 result_1->stat == DESERR_NOHWDEVICE) {
90 bcopy(result_1->desbuf.desbuf_val, buf, len);
91 bcopy(result_1->des_ivec, dparms->des_ivec, 8);
92 }
93
94 clnt_freeres(clnt, (xdrproc_t)xdr_desresp, result_1);
95 clnt_destroy(clnt);
96
97 return(stat);
98 }
99