xref: /freebsd/lib/libc/rpc/crypt_client.c (revision 17d6c636720d00f77e5d098daf4c278f89d84f7b)
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 
33 #include "namespace.h"
34 #include <sys/types.h>
35 #include <rpc/des_crypt.h>
36 #include <rpc/des.h>
37 #include <string.h>
38 #include <rpcsvc/crypt.h>
39 #include "un-namespace.h"
40 
41 #ifndef lint
42 static const char rcsid[] = "$FreeBSD$";
43 #endif
44 
45 #ifndef KEYSERVSOCK
46 #define KEYSERVSOCK "/var/run/keyservsock"
47 #endif
48 
49 int
50 _des_crypt_call(buf, len, dparms)
51 	char *buf;
52 	int len;
53 	struct desparams *dparms;
54 {
55 	CLIENT *clnt;
56 	desresp  *result_1;
57 	desargs  des_crypt_1_arg;
58 	int	stat;
59 
60 	clnt = clnt_create(KEYSERVSOCK, CRYPT_PROG, CRYPT_VERS, "unix");
61 	if (clnt == (CLIENT *) NULL) {
62 		return(DESERR_HWERROR);
63 	}
64 
65 	des_crypt_1_arg.desbuf.desbuf_len = len;
66 	des_crypt_1_arg.desbuf.desbuf_val = buf;
67 	des_crypt_1_arg.des_dir = dparms->des_dir;
68 	des_crypt_1_arg.des_mode = dparms->des_mode;
69 	bcopy(dparms->des_ivec, des_crypt_1_arg.des_ivec, 8);
70 	bcopy(dparms->des_key, des_crypt_1_arg.des_key, 8);
71 
72 	result_1 = des_crypt_1(&des_crypt_1_arg, clnt);
73 	if (result_1 == (desresp *) NULL) {
74 		clnt_destroy(clnt);
75 		return(DESERR_HWERROR);
76 	}
77 
78 	stat = result_1->stat;
79 
80 	if (result_1->stat == DESERR_NONE ||
81 	    result_1->stat == DESERR_NOHWDEVICE) {
82 		bcopy(result_1->desbuf.desbuf_val, buf, len);
83 		bcopy(result_1->des_ivec, dparms->des_ivec, 8);
84 	}
85 
86 	clnt_freeres(clnt, xdr_desresp, (char *)result_1);
87 	clnt_destroy(clnt);
88 
89 	return(stat);
90 }
91