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/*
** Copyright 2005 Double Precision, Inc. See COPYING for
** distribution information.
*/
#if HAVE_CONFIG_H
#include "courier_auth_config.h"
#endif
#include <string.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#if HAVE_TERMIOS_H
#include <termios.h>
#endif
#include <signal.h>
#include "auth.h"
static const char rcsid[]="$Id: authpasswd.c,v 1.1 2005/07/13 00:55:54 mrsam Exp $";
/*
** Where possible, we turn off echo when entering the password.
** We set up a signal handler to catch signals and restore the echo
** prior to exiting.
*/
#if HAVE_TERMIOS_H
static struct termios tios;
static int have_tios;
static RETSIGTYPE sighandler(int signum)
{
write(1, "\n", 1);
tcsetattr(0, TCSANOW, &tios);
_exit(0);
#if RETSIGTYPE != void
return (0);
#endif
}
#endif
static void read_pw(char *buf)
{
int n, c;
n=0;
while ((c=getchar()) != EOF && c != '\n')
if (n < BUFSIZ-1)
buf[n++]=c;
if (c == EOF && n == 0) exit(1);
buf[n]=0;
}
int main(int argc, char **argv)
{
char buf[BUFSIZ];
char *p;
char hint[100];
strcpy(hint, "$1$");
if (argc > 1)
{
sprintf(hint, "{%1.15s}", argv[1]);
}
/* Read the password */
#if HAVE_TERMIOS_H
have_tios=0;
if (tcgetattr(0, &tios) == 0)
{
struct termios tios2;
char buf2[BUFSIZ];
have_tios=1;
signal(SIGINT, sighandler);
signal(SIGHUP, sighandler);
tios2=tios;
tios2.c_lflag &= ~ECHO;
tcsetattr(0, TCSANOW, &tios2);
for (;;)
{
write(2, "Password: ", 10);
read_pw(buf);
write(2, "\nReenter password: ", 19);
read_pw(buf2);
if (strcmp(buf, buf2) == 0) break;
write(2, "\nPasswords don't match.\n\n", 25);
}
}
else
#endif
read_pw(buf);
#if HAVE_TERMIOS_H
if (have_tios)
{
write(2, "\n", 1);
tcsetattr(0, TCSANOW, &tios);
signal(SIGINT, SIG_DFL);
signal(SIGHUP, SIG_DFL);
}
#endif
p=authcryptpasswd(buf, hint);
if (p)
printf("%s\n", p);
return (0);
}
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