/* simple env for crypt */
/* only some parts are mine.. */
/* kreator, 1998 */

#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>

extern char *crypt (const char *key, const char *salt);

int main(int argc, char *argv[])
{
	static char saltChars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./";
	char salt[3], *plaintext;

	if (argc<2)
	{
		srandom((unsigned)(time(0)+getpid()));
		salt[0] = saltChars[random() % 64];
		salt[1] = saltChars[random() % 64];
		salt[2] = 0;
	} 
	else 
	{
		salt[0] = argv[1][0];
		salt[1] = argv[1][1];
		salt[2] = '\0';
		if (!strchr(saltChars, salt[0]) || !strchr(saltChars, salt[1])) 
			fprintf(stderr, "illegal salt %s\n", salt), exit(EXIT_FAILURE);
	}
	plaintext = getpass("plaintext: ");
	
	printf("crypted password: %s\n", crypt(plaintext, salt));
	return(EXIT_SUCCESS);
}