/*
 * Received: by kropotkin.gnu.ai.mit.edu (15.11/4.0)
 *  id <AA11421@kropotkin.gnu.ai.mit.edu>; Sun, 7 Jul 91 19:20:37 edt
 * Date: Sun, 7 Jul 91 19:20:37 edt
 * Message-Id: <9107072320.AA11421@kropotkin.gnu.ai.mit.edu>
 * To: EDDIE.MIT.EDU!bloom-beacon!spdcc!merk!works!LC717@EDDIE.MIT.EDU
 * Subject: Cyphertext w/o Un*x
 * Cc: tami@gnu.ai.mit.edu
 *
 * MAKEPASS.C - Written 12-Dec-90 by Noah Friedman (friedman@ai.mit.edu)
 *
 *    Usage: makepass [password]
 *
 *    To compile, type "cc -o makepass makepass.c"
 *
 *    This program is public domain.
 */

#include <stdio.h>



/*
 * If your compiler claims the file string.h cannot be found, edit this
 * program and replace <string.h> with <strings.h>
 */
#include <string.h>

char *xmalloc();
char *makesalt();
char *crypt();

main(argc, argv)
int argc;
char **argv;
{
 char *plain, *salt, *result;
 register int len, i;

    if (argc != 2) usage(argv[0]);

    len = strlen(argv[1]);


    plain = xmalloc(len + 1);
    strcpy(plain, argv[1]);
    for (i = 0; i < len; i++) argv[1][i] = '\0';

    salt = makesalt();
    result = crypt(plain, salt);

    puts(result);
}

char *xmalloc(n)
{
 char *s;
 char *malloc();

    s = malloc(n * sizeof(char));
    if (s == NULL)
      {
       fprintf(stderr, "malloc: Not enough memory.\n", s);
       exit(1);
      }


    return s;
}

char *makesalt()
{
 static char salt[3];
 char ch1, ch2;

    srand(getpid() % 32767);

    ch1 = ( rand() % 2 == 0 ) ? 'A' : 'a';
    ch2 = ( rand() % 2 == 0 ) ? 'A' : 'a';

    salt[0] = ((unsigned char) rand() % 26) + ch1;
    salt[1] = ((unsigned char) rand() % 26) + ch2;
    salt[2] = '\0';

    return salt;
}

usage(s)


char *s;
{
 fprintf(stderr, "Usage: %s [password]\n", s);
 exit(1);
}