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/*
* Copyright (c) 1985 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#ifndef lint
static char sccsid[] = "@(#)getpass.c 1.1 90/04/28 SMI"; /* from UCB 5.4 3/7/86 */
#endif /* not lint */
#include <stdio.h>
#include <signal.h>
#if defined (POSIX) || defined (POSIX_TERMIOS)
#include <termios.h>
static struct termios ttyo, ttyb;
#define stty(f, t) tcsetattr(f, TCSANOW, t)
#define gtty(f, t) tcgetattr(f, t)
#else
#include <sgtty.h>
static struct sgttyb ttyo, ttyb;
#endif
static FILE *fi;
#define sig_t my_sig_t
#define sigtype krb5_sigtype
typedef sigtype (*sig_t)();
static sigtype
intfix(sig)
int sig;
{
if (fi != NULL)
(void) stty(fileno(fi), &ttyo);
exit(SIGINT);
}
char *
mygetpass(prompt)
char *prompt;
{
register char *p;
register c;
static char pbuf[50+1];
sigtype (*sig)();
if ((fi = fopen("/dev/tty", "r")) == NULL)
fi = stdin;
else
setbuf(fi, (char *)NULL);
sig = signal(SIGINT, intfix);
(void) gtty(fileno(fi), &ttyb);
ttyo = ttyb;
#if defined (POSIX) || defined (POSIX_TERMIOS)
ttyb.c_lflag &= ~ECHO;
#else
ttyb.sg_flags &= ~ECHO;
#endif
(void) stty(fileno(fi), &ttyb);
fprintf(stderr, "%s", prompt); (void) fflush(stderr);
for (p=pbuf; (c = getc(fi))!='\n' && c!=EOF;) {
if (p < &pbuf[sizeof(pbuf)-1])
*p++ = c;
}
*p = '\0';
fprintf(stderr, "\n"); (void) fflush(stderr);
(void) stty(fileno(fi), &ttyo);
(void) signal(SIGINT, sig);
if (fi != stdin)
(void) fclose(fi);
return(pbuf);
}
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