dd02a92a8b
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1635 ec53bebd-3082-4978-b11e-865c3cabbd6b
133 lines
3.5 KiB
C
133 lines
3.5 KiB
C
/*
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* Copyright (c) 1995, 1996, 1997 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Kungliga Tekniska
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* Högskolan and its contributors.
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*
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* 4. 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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RCSID("$Id$");
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static void
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usage (void)
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{
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fprintf(stderr,
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"Usage: %s [-e] [-h] [-n count] [-f alg] num seed\n",
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__progname);
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exit (1);
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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 ();
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n = atoi(argv[0]);
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seed = argv[1];
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if (des_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 c;
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int count = 10;
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int hexp = 0;
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int extendedp = 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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set_progname (argv[0]);
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while ((c = getopt (argc, argv, "ehn:f:")) != EOF)
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switch (c) {
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case 'e' :
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extendedp = 1;
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break;
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case 'n' :
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count = atoi (optarg);
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break;
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case 'h' :
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hexp = 1;
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break;
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case 'f' :
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alg = otp_find_alg (optarg);
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if (alg == NULL)
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errx(1, "Unknown algorithm: %s", optarg);
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break;
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default :
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usage ();
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break;
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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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return print (argc, argv, count, alg, fn);
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}
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