/*
* $Id: getpass.c,v 2.0.1.3 1998/03/30 14:22:05 ram Exp $
*
* $Log: getpass.c,v $
* Revision 2.0.1.3 1998/03/30 14:22:05 ram
* patch35: switched to new metaconfig symbols
*
* Revision 2.0.1.2 91/04/30 13:33:30 ram
* patch3: now relies on the new metaconfig symbol Signal_t
*
* Revision 2.0.1.1 91/04/01 15:40:01 ram
* patch1: created
*
*/
#include <stdio.h>
#include <signal.h>
#include "../config.h"
/* These defines should be correctly set up by Configure */
#ifdef I_TERMIOS
#include <termios.h>
#endif
#ifdef I_TERMIO
#include <termio.h>
#endif
#ifdef I_SGTTY
#include <sgtty.h>
#endif
#ifdef I_SYS_IOCTL
#include <sys/ioctl.h>
#endif
#define TTY "/dev/tty" /* Change to "con" for MS-DOS */
/* Issue prompt and read reply with echo turned off */
char *
getpass(prompt)
char *prompt;
{
register char *cp;
int c;
FILE *tty;
static char pbuf[128];
#ifdef I_SGTTY
struct sgttyb ttyb,ttysav;
#else
#ifdef I_TERMIOS
struct termios ttyb, ttysav;
#else
struct termio ttyb, ttysav;
#endif
#endif
extern Signal_t (*signal())();
Signal_t (*sig)();
if ((tty = fdopen(open(TTY, 2), "r")) == NULL)
tty = stdin;
else
setbuf(tty, (char *)NULL);
sig = signal(SIGINT, SIG_IGN);
#ifdef I_SGTTY
ioctl(fileno(tty), TIOCGETP, &ttyb);
ioctl(fileno(tty), TIOCGETP, &ttysav);
ttyb.sg_flags |= RAW;
ttyb.sg_flags &= ~ECHO;
ioctl(fileno(tty), TIOCSETP, &ttyb);
#else
#ifdef I_TERMIOS
tcgetattr(fileno(tty), &ttyb);
tcgetattr(fileno(tty), &ttysav);
#else
ioctl(fileno(tty), TCGETA, &ttyb);
ioctl(fileno(tty), TCGETA, &ttysav);
#endif
#ifdef CBREAK
ttyb.c_lflag |= CBREAK;
#endif
#ifdef RAW
ttyb.c_lflag |= RAW;
#endif
ttyb.c_lflag &= ~ECHO;
#ifdef I_TERMIOS
tcsetattr(fileno(tty), TCSANOW, &ttyb);
#else
ioctl(fileno(tty), TCSETA, &ttyb);
#endif
#endif
fprintf(stderr, "%s", prompt);
fflush(stderr);
cp = pbuf;
for (;;) {
c = getc(tty);
if(c == '\r' || c == '\n' || c == EOF)
break;
if (cp < &pbuf[127])
*cp++ = c;
}
*cp = '\0';
fprintf(stderr,"\r\n");
fflush(stderr);
#ifdef I_SGTTY
ioctl(fileno(tty), TIOCSETP, &ttysav);
#else
#ifdef I_TERMIOS
tcsetattr(fileno(tty), TCSANOW, &ttysav);
#else
ioctl(fileno(tty), TCSETA, &ttysav);
#endif
#endif
signal(SIGINT, sig);
if (tty != stdin)
fclose(tty);
return(pbuf);
}