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 <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include "namespace.h" 37 #include <err.h> 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 #include "un-namespace.h" 44 45 int 46 _des_crypt_call(char *buf, int len, struct desparams *dparms) 47 { 48 CLIENT *clnt; 49 desresp *result_1; 50 desargs des_crypt_1_arg; 51 struct netconfig *nconf; 52 void *localhandle; 53 int stat; 54 55 nconf = NULL; 56 localhandle = setnetconfig(); 57 while ((nconf = getnetconfig(localhandle)) != NULL) { 58 if (nconf->nc_protofmly != NULL && 59 strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0) 60 break; 61 } 62 if (nconf == NULL) { 63 warnx("getnetconfig: %s", nc_sperror()); 64 endnetconfig(localhandle); 65 return(DESERR_HWERROR); 66 } 67 clnt = clnt_tp_create(NULL, CRYPT_PROG, CRYPT_VERS, nconf); 68 if (clnt == (CLIENT *) 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 == ENCRYPT) ? ENCRYPT_DES : DECRYPT_DES; 77 des_crypt_1_arg.des_mode = (dparms->des_mode == CBC) ? CBC_DES : ECB_DES; 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 == (desresp *) 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