lib/libc/rpc/crypt_client.c

   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 1.4 1999/08/28 00:00:37 peter Exp $
  33  * $DragonFly: src/lib/libc/rpc/crypt_client.c,v 1.3 2005/11/13 12:27:04 swildner Exp $
  34  *
  35  * $FreeBSD: src/lib/libc/rpc/crypt_client.c,v 1.4 1999/08/28 00:00:37 peter Exp $
  36  */
  37
  38 #include <sys/types.h>
  39 #include <rpc/des_crypt.h>
  40 #include <rpc/des.h>
  41 #include <string.h>
  42 #include <rpcsvc/crypt.h>
  43
  44 #ifndef KEYSERVSOCK
  45 #define KEYSERVSOCK "/var/run/keyservsock"
  46 #endif
  47
  48 int
  49 _des_crypt_call(char *buf, int len, struct desparams *dparms)
  50 {
  51         CLIENT *clnt;
  52         desresp  *result_1;
  53         desargs  des_crypt_1_arg;
  54         int     stat;
  55
  56         clnt = clnt_create(KEYSERVSOCK, CRYPT_PROG, CRYPT_VERS, "unix");
  57         if (clnt == (CLIENT *) NULL) {
  58                 return(DESERR_HWERROR);
  59         }
  60
  61         des_crypt_1_arg.desbuf.desbuf_len = len;
  62         des_crypt_1_arg.desbuf.desbuf_val = buf;
  63         des_crypt_1_arg.des_dir = dparms->des_dir;
  64         des_crypt_1_arg.des_mode = dparms->des_mode;
  65         bcopy(dparms->des_ivec, des_crypt_1_arg.des_ivec, 8);
  66         bcopy(dparms->des_key, des_crypt_1_arg.des_key, 8);
  67
  68         result_1 = des_crypt_1(&des_crypt_1_arg, clnt);
  69         if (result_1 == (desresp *) NULL) {
  70                 clnt_destroy(clnt);
  71                 return(DESERR_HWERROR);
  72         }
  73
  74         stat = result_1->stat;
  75
  76         if (result_1->stat == DESERR_NONE ||
  77             result_1->stat == DESERR_NOHWDEVICE) {
  78                 bcopy(result_1->desbuf.desbuf_val, buf, len);
  79                 bcopy(result_1->des_ivec, dparms->des_ivec, 8);
  80         }
  81
  82         clnt_freeres(clnt, xdr_desresp, (char *)result_1);
  83         clnt_destroy(clnt);
  84
  85         return(stat);
  86 }