xref: /onnv-gate/usr/src/cmd/cmd-inet/usr.bin/ftp/getpass.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  *	Copyright 2001 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  *	Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
28*0Sstevel@tonic-gate /*	All Rights Reserved  	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  *	University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate  *	The Regents of the University of California
33*0Sstevel@tonic-gate  *	All Rights Reserved
34*0Sstevel@tonic-gate  *
35*0Sstevel@tonic-gate  *	University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate  *	software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate  *	contributors.
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #include "ftp_var.h"
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate static	struct termios termios_b;
45*0Sstevel@tonic-gate static	tcflag_t flags;
46*0Sstevel@tonic-gate static	FILE *fi;
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate /* ARGSUSED */
49*0Sstevel@tonic-gate static void
intfix(int sig)50*0Sstevel@tonic-gate intfix(int sig)
51*0Sstevel@tonic-gate {
52*0Sstevel@tonic-gate 	termios_b.c_lflag = flags;
53*0Sstevel@tonic-gate 	(void) tcsetattr(fileno(fi), TCSADRAIN, &termios_b);
54*0Sstevel@tonic-gate 	exit(EXIT_FAILURE);
55*0Sstevel@tonic-gate }
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate char *
mygetpass(char * prompt)58*0Sstevel@tonic-gate mygetpass(char *prompt)
59*0Sstevel@tonic-gate {
60*0Sstevel@tonic-gate 	register char *p;
61*0Sstevel@tonic-gate 	register int c;
62*0Sstevel@tonic-gate 	static char pbuf[50+1];
63*0Sstevel@tonic-gate 	void (*sig)();
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate 	stop_timer();
66*0Sstevel@tonic-gate 	if ((fi = fopen("/dev/tty", "r")) == NULL)
67*0Sstevel@tonic-gate 		fi = stdin;
68*0Sstevel@tonic-gate 	else
69*0Sstevel@tonic-gate 		setbuf(fi, (char *)NULL);
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 	if (tcgetattr(fileno(fi), &termios_b) < 0)
72*0Sstevel@tonic-gate 		perror("ftp: tcgetattr");	/* go ahead, anyway */
73*0Sstevel@tonic-gate 	flags = termios_b.c_lflag;
74*0Sstevel@tonic-gate 
75*0Sstevel@tonic-gate 	sig = signal(SIGINT, intfix);
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate 	termios_b.c_lflag &= ~ECHO;
78*0Sstevel@tonic-gate 	(void) tcsetattr(fileno(fi), TCSADRAIN, &termios_b);
79*0Sstevel@tonic-gate 	(void) fprintf(stderr, "%s", prompt);
80*0Sstevel@tonic-gate 	(void) fflush(stderr);
81*0Sstevel@tonic-gate 	p = pbuf;
82*0Sstevel@tonic-gate 	while ((c = getc(fi)) != '\n' && c != EOF) {
83*0Sstevel@tonic-gate 		if (p < &pbuf[sizeof (pbuf)-1])
84*0Sstevel@tonic-gate 			*p++ = c;
85*0Sstevel@tonic-gate 	}
86*0Sstevel@tonic-gate 	*p = '\0';
87*0Sstevel@tonic-gate 	(void) fprintf(stderr, "\n");
88*0Sstevel@tonic-gate 	(void) fflush(stderr);
89*0Sstevel@tonic-gate 	termios_b.c_lflag = flags;
90*0Sstevel@tonic-gate 	(void) tcsetattr(fileno(fi), TCSADRAIN, &termios_b);
91*0Sstevel@tonic-gate 	(void) signal(SIGINT, sig);
92*0Sstevel@tonic-gate 	if (fi != stdin)
93*0Sstevel@tonic-gate 		(void) fclose(fi);
94*0Sstevel@tonic-gate 	reset_timer();
95*0Sstevel@tonic-gate 	return (pbuf);
96*0Sstevel@tonic-gate }
97