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 <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include "namespace.h" 39 #include <err.h> 40 #include <sys/types.h> 41 #include <rpc/des_crypt.h> 42 #include <rpc/des.h> 43 #include <string.h> 44 #include <rpcsvc/crypt.h> 45 #include "un-namespace.h" 46 47 int 48 _des_crypt_call(char *buf, int len, struct desparams *dparms) 49 { 50 CLIENT *clnt; 51 desresp *result_1; 52 desargs des_crypt_1_arg; 53 struct netconfig *nconf; 54 void *localhandle; 55 int stat; 56 57 nconf = NULL; 58 localhandle = setnetconfig(); 59 while ((nconf = getnetconfig(localhandle)) != NULL) { 60 if (nconf->nc_protofmly != NULL && 61 strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0) 62 break; 63 } 64 if (nconf == NULL) { 65 warnx("getnetconfig: %s", nc_sperror()); 66 endnetconfig(localhandle); 67 return(DESERR_HWERROR); 68 } 69 clnt = clnt_tp_create(NULL, CRYPT_PROG, CRYPT_VERS, nconf); 70 if (clnt == (CLIENT *) NULL) { 71 endnetconfig(localhandle); 72 return(DESERR_HWERROR); 73 } 74 endnetconfig(localhandle); 75 76 des_crypt_1_arg.desbuf.desbuf_len = len; 77 des_crypt_1_arg.desbuf.desbuf_val = buf; 78 des_crypt_1_arg.des_dir = (dparms->des_dir == ENCRYPT) ? ENCRYPT_DES : DECRYPT_DES; 79 des_crypt_1_arg.des_mode = (dparms->des_mode == CBC) ? CBC_DES : ECB_DES; 80 bcopy(dparms->des_ivec, des_crypt_1_arg.des_ivec, 8); 81 bcopy(dparms->des_key, des_crypt_1_arg.des_key, 8); 82 83 result_1 = des_crypt_1(&des_crypt_1_arg, clnt); 84 if (result_1 == (desresp *) NULL) { 85 clnt_destroy(clnt); 86 return(DESERR_HWERROR); 87 } 88 89 stat = result_1->stat; 90 91 if (result_1->stat == DESERR_NONE || 92 result_1->stat == DESERR_NOHWDEVICE) { 93 bcopy(result_1->desbuf.desbuf_val, buf, len); 94 bcopy(result_1->des_ivec, dparms->des_ivec, 8); 95 } 96 97 clnt_freeres(clnt, (xdrproc_t)xdr_desresp, result_1); 98 clnt_destroy(clnt); 99 100 return(stat); 101 } 102