1 /*
2 * Copyright (c) 1996
3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: src/lib/libc/rpc/crypt_client.c,v 1.9 2003/02/16 17:29:10 nectar Exp $
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 *, int, struct desparams *);
45
46 int
_des_crypt_call(char * buf,int len,struct desparams * dparms)47 _des_crypt_call(char *buf, int len, struct desparams *dparms)
48 {
49 CLIENT *clnt;
50 desresp *result_1;
51 desargs des_crypt_1_arg;
52 struct netconfig *nconf;
53 void *localhandle;
54 int stat;
55
56 nconf = NULL;
57 localhandle = setnetconfig();
58 while ((nconf = getnetconfig(localhandle)) != NULL) {
59 if (nconf->nc_protofmly != NULL &&
60 strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0)
61 break;
62 }
63 if (nconf == NULL) {
64 warnx("getnetconfig: %s", nc_sperror());
65 return(DESERR_HWERROR);
66 }
67 clnt = clnt_tp_create(NULL, CRYPT_PROG, CRYPT_VERS, nconf);
68 if (clnt == NULL) {
69 endnetconfig(localhandle);
70 return(DESERR_HWERROR);
71 }
72 endnetconfig(localhandle);
73
74 des_crypt_1_arg.desbuf.desbuf_len = len;
75 des_crypt_1_arg.desbuf.desbuf_val = buf;
76 des_crypt_1_arg.des_dir = dparms->des_dir;
77 des_crypt_1_arg.des_mode = dparms->des_mode;
78 bcopy(dparms->des_ivec, des_crypt_1_arg.des_ivec, 8);
79 bcopy(dparms->des_key, des_crypt_1_arg.des_key, 8);
80
81 result_1 = des_crypt_1(&des_crypt_1_arg, clnt);
82 if (result_1 == NULL) {
83 clnt_destroy(clnt);
84 return(DESERR_HWERROR);
85 }
86
87 stat = result_1->stat;
88
89 if (result_1->stat == DESERR_NONE ||
90 result_1->stat == DESERR_NOHWDEVICE) {
91 bcopy(result_1->desbuf.desbuf_val, buf, len);
92 bcopy(result_1->des_ivec, dparms->des_ivec, 8);
93 }
94
95 clnt_freeres(clnt, (xdrproc_t)xdr_desresp, result_1);
96 clnt_destroy(clnt);
97
98 return(stat);
99 }
100