git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23815 ec53bebd-3082-4978-b11e-865c3cabbd6b
		
			
				
	
	
		
			136 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			136 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 1995-1999 Kungliga Tekniska Högskolan
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 * (Royal Institute of Technology, Stockholm, Sweden).
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * 3. Neither the name of the Institute nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include "otp_locl.h"
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#include <getarg.h>
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RCSID("$Id$");
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static int extendedp;
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static int count = 10;
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static int hexp;
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static char* alg_string;
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static int version_flag;
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static int help_flag;
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struct getargs args[] = {
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    { "extended", 'e', arg_flag, &extendedp, "print keys in extended format" },
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    { "count", 'n', arg_integer, &count, "number of keys to print" },
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    { "hexadecimal", 'h', arg_flag, &hexp, "output in hexadecimal" },
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    { "hash", 'f', arg_string, &alg_string,
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      "hash algorithm (md4, md5, or sha)", "algorithm"},
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    { "version", 0, arg_flag, &version_flag },
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    { "help", 0, arg_flag, &help_flag }
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};
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int num_args = sizeof(args) / sizeof(args[0]);
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static void
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usage(int code)
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{
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    arg_printusage(args, num_args, NULL, "num seed");
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    exit(code);
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}
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static int
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print (int argc,
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       char **argv,
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       int count,
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       OtpAlgorithm *alg,
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       void (*print_fn)(OtpKey, char *, size_t))
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{
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  char pw[64];
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  OtpKey key;
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  int n;
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  int i;
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  char *seed;
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  if (argc != 2)
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      usage (1);
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  n = atoi(argv[0]);
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  seed = argv[1];
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  if (UI_UTIL_read_pw_string (pw, sizeof(pw), "Pass-phrase: ", 0))
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    return 1;
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  alg->init (key, pw, seed);
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  for (i = 0; i < n; ++i) {
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    char s[64];
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    alg->next (key);
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    if (i >= n - count) {
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      (*print_fn)(key, s, sizeof(s));
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      printf ("%d: %s\n", i + 1, s);
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    }
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  }
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  return 0;
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}
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int
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main (int argc, char **argv)
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{
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    int optind = 0;
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    void (*fn)(OtpKey, char *, size_t);
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    OtpAlgorithm *alg = otp_find_alg (OTP_ALG_DEFAULT);
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    setprogname (argv[0]);
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    if(getarg(args, num_args, argc, argv, &optind))
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	usage(1);
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    if(help_flag)
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	usage(0);
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    if(version_flag) {
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	print_version(NULL);
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	exit(0);
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    }
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    if(alg_string) {
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	alg = otp_find_alg (alg_string);
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	if (alg == NULL)
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	    errx(1, "Unknown algorithm: %s", alg_string);
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    }
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    argc -= optind;
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    argv += optind;
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    if (hexp) {
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	if (extendedp)
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	    fn = otp_print_hex_extended;
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	else
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	    fn = otp_print_hex;
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    } else {
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	if (extendedp)
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	    fn = otp_print_stddict_extended;
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	else
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	    fn = otp_print_stddict;
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    }
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    return print (argc, argv, count, alg, fn);
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}
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