138 lines
3.5 KiB
C
138 lines
3.5 KiB
C
/*
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* Copyright (c) 1995, 1996, 1997, 1998 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 "config.h"
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RCSID("$Id: kstring2key.c,v 1.1.1.1 2000/06/16 18:46:14 thorpej Exp $");
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <err.h>
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#include <roken.h>
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#include <des.h>
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#include <krb.h>
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#define VERIFY 0
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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 [-c AFS cellname] [ -5 krb5salt ] [ password ]\n",
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__progname);
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fprintf(stderr,
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" krb5salt is realmname APPEND principal APPEND instance\n");
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exit(1);
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}
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static
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void
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krb5_string_to_key(char *str,
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char *salt,
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des_cblock *key)
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{
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char *foo;
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asprintf(&foo, "%s%s", str, salt);
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if (foo == NULL)
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errx (1, "malloc: out of memory");
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des_string_to_key(foo, key);
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free (foo);
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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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des_cblock key;
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char buf[1024];
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char *cellname = 0, *salt = 0;
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set_progname (argv[0]);
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if (argc >= 3 && argv[1][0] == '-' && argv[1][1] == 'c')
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{
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cellname = argv[2];
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argv += 2;
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argc -= 2;
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}
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else if (argc >= 3 && argv[1][0] == '-' && argv[1][1] == '5')
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{
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salt = argv[2];
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argv += 2;
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argc -= 2;
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}
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if (argc >= 2 && argv[1][0] == '-')
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usage();
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switch (argc) {
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case 1:
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if (des_read_pw_string(buf, sizeof(buf)-1, "password: ", VERIFY))
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errx (1, "Error reading password.");
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break;
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case 2:
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strlcpy(buf, argv[1], sizeof(buf));
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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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if (cellname != 0)
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afs_string_to_key(buf, cellname, &key);
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else if (salt != 0)
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krb5_string_to_key(buf, salt, &key);
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else
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des_string_to_key(buf, &key);
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{
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int j;
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unsigned char *tkey = (unsigned char *) &key;
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printf("ascii = ");
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for(j = 0; j < 8; j++)
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if(tkey[j] != '\\' && isalpha(tkey[j]) != 0)
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printf("%c", tkey[j]);
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else
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printf("\\%03o",(unsigned char)tkey[j]);
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printf("\n");
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printf("hex = ");
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for(j = 0; j < 8; j++)
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printf("%02x",(unsigned char)tkey[j]);
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printf("\n");
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}
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exit(0);
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}
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