/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 *      Copyright 2001 Sun Microsystems, Inc.  All rights reserved.
 *      Use is subject to license terms.
 */

/*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
/*      All Rights Reserved     */

/*
 *      University Copyright- Copyright (c) 1982, 1986, 1988
 *      The Regents of the University of California
 *      All Rights Reserved
 *
 *      University Acknowledgment- Portions of this document are derived from
 *      software developed by the University of California, Berkeley, and its
 *      contributors.
 */

#include "ftp_var.h"

static  struct termios termios_b;
static  tcflag_t flags;
static  FILE *fi;

/* ARGSUSED */
static void
intfix(int sig)
{
        termios_b.c_lflag = flags;
        (void) tcsetattr(fileno(fi), TCSADRAIN, &termios_b);
        exit(EXIT_FAILURE);
}

char *
mygetpass(char *prompt)
{
        register char *p;
        register int c;
        static char pbuf[50+1];
        void (*sig)();

        stop_timer();
        if ((fi = fopen("/dev/tty", "r")) == NULL)
                fi = stdin;
        else
                setbuf(fi, (char *)NULL);

        if (tcgetattr(fileno(fi), &termios_b) < 0)
                perror("ftp: tcgetattr");       /* go ahead, anyway */
        flags = termios_b.c_lflag;

        sig = signal(SIGINT, intfix);

        termios_b.c_lflag &= ~ECHO;
        (void) tcsetattr(fileno(fi), TCSADRAIN, &termios_b);
        (void) fprintf(stderr, "%s", prompt);
        (void) fflush(stderr);
        p = pbuf;
        while ((c = getc(fi)) != '\n' && c != EOF) {
                if (p < &pbuf[sizeof (pbuf)-1])
                        *p++ = c;
        }
        *p = '\0';
        (void) fprintf(stderr, "\n");
        (void) fflush(stderr);
        termios_b.c_lflag = flags;
        (void) tcsetattr(fileno(fi), TCSADRAIN, &termios_b);
        (void) signal(SIGINT, sig);
        if (fi != stdin)
                (void) fclose(fi);
        reset_timer();
        return (pbuf);
}