text: /*
   * Copyright (c) 1996
   *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by Bill Paul.
   * 4. Neither the name of the author nor the names of any co-contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #include <sys/cdefs.h>
  __FBSDID("$FreeBSD$");
  
  #include "namespace.h"
  #include <err.h>
  #include <sys/types.h>
  #include <rpc/des_crypt.h>
  #include <rpc/des.h>
  #include <string.h>
  #include <rpcsvc/crypt.h>
  #include "un-namespace.h"
  
  int
  _des_crypt_call(char *buf, int len, struct desparams *dparms)
  {
  	CLIENT *clnt;
  	desresp  *result_1;
  	desargs  des_crypt_1_arg;
  	struct netconfig *nconf;
  	void *localhandle;
  	int stat;
  
  	nconf = NULL;
  	localhandle = setnetconfig();
  	while ((nconf = getnetconfig(localhandle)) != NULL) {
  		if (nconf->nc_protofmly != NULL &&
  		     strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0)
  			break;
  	}
  	if (nconf == NULL) {
  		warnx("getnetconfig: %s", nc_sperror());
  		endnetconfig(localhandle);
  		return(DESERR_HWERROR);
  	}
  	clnt = clnt_tp_create(NULL, CRYPT_PROG, CRYPT_VERS, nconf);
  	if (clnt == (CLIENT *) NULL) {
  		endnetconfig(localhandle);
  		return(DESERR_HWERROR);
  	}
  	endnetconfig(localhandle);
  
  	des_crypt_1_arg.desbuf.desbuf_len = len;
  	des_crypt_1_arg.desbuf.desbuf_val = buf;
  	des_crypt_1_arg.des_dir = (dparms->des_dir == ENCRYPT) ? ENCRYPT_DES : DECRYPT_DES;
  	des_crypt_1_arg.des_mode = (dparms->des_mode == CBC) ? CBC_DES : ECB_DES;
  	bcopy(dparms->des_ivec, des_crypt_1_arg.des_ivec, 8);
  	bcopy(dparms->des_key, des_crypt_1_arg.des_key, 8);
  
  	result_1 = des_crypt_1(&des_crypt_1_arg, clnt);
  	if (result_1 == (desresp *) NULL) {
  		clnt_destroy(clnt);
  		return(DESERR_HWERROR);
  	}
  
  	stat = result_1->stat;
  
  	if (result_1->stat == DESERR_NONE ||
  	    result_1->stat == DESERR_NOHWDEVICE) {
  		bcopy(result_1->desbuf.desbuf_val, buf, len);
  		bcopy(result_1->des_ivec, dparms->des_ivec, 8);
  	}
  
  	clnt_freeres(clnt, (xdrproc_t)xdr_desresp, result_1);
  	clnt_destroy(clnt);
  
  	return(stat);
  }
  