10Sstevel@tonic-gate /*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
70Sstevel@tonic-gate * with the License.
80Sstevel@tonic-gate *
90Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate * See the License for the specific language governing permissions
120Sstevel@tonic-gate * and limitations under the License.
130Sstevel@tonic-gate *
140Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate *
200Sstevel@tonic-gate * CDDL HEADER END
210Sstevel@tonic-gate */
220Sstevel@tonic-gate /*
230Sstevel@tonic-gate * Copyright 1987 Sun Microsystems, Inc. All rights reserved.
240Sstevel@tonic-gate * Use is subject to license terms.
250Sstevel@tonic-gate */
260Sstevel@tonic-gate
270Sstevel@tonic-gate /* Copyright (c) 1984 AT&T */
280Sstevel@tonic-gate /* All Rights Reserved */
290Sstevel@tonic-gate
300Sstevel@tonic-gate
31*722Smuffin #pragma ident "%Z%%M% %I% %E% SMI"
320Sstevel@tonic-gate
330Sstevel@tonic-gate /*LINTLIBRARY*/
340Sstevel@tonic-gate #include <stdio.h>
350Sstevel@tonic-gate #include <signal.h>
360Sstevel@tonic-gate #include <termios.h>
37*722Smuffin #include <unistd.h>
380Sstevel@tonic-gate
390Sstevel@tonic-gate extern void setbuf();
40*722Smuffin extern int fclose(FILE *);
41*722Smuffin extern int fprintf(FILE *, char *, ...);
42*722Smuffin extern int findiop();
43*722Smuffin extern int ioctl();
440Sstevel@tonic-gate static int intrupt;
450Sstevel@tonic-gate
46*722Smuffin static void catch(void);
47*722Smuffin
480Sstevel@tonic-gate #define MAXPASSWD 8 /* max significant characters in password */
490Sstevel@tonic-gate
500Sstevel@tonic-gate char *
getpass(char * prompt)51*722Smuffin getpass(char *prompt)
520Sstevel@tonic-gate {
530Sstevel@tonic-gate struct termios ttyb;
54*722Smuffin long flags;
55*722Smuffin char *p;
56*722Smuffin int c;
570Sstevel@tonic-gate FILE *fi;
580Sstevel@tonic-gate static char pbuf[ MAXPASSWD + 1 ];
590Sstevel@tonic-gate struct sigvec osv, sv;
600Sstevel@tonic-gate
610Sstevel@tonic-gate if((fi = fopen("/dev/tty", "r")) == NULL)
620Sstevel@tonic-gate #ifdef S5EMUL
630Sstevel@tonic-gate return((char*)NULL);
640Sstevel@tonic-gate #else
650Sstevel@tonic-gate fi = stdin;
660Sstevel@tonic-gate #endif
670Sstevel@tonic-gate else
680Sstevel@tonic-gate setbuf(fi, (char*)NULL);
690Sstevel@tonic-gate sv.sv_handler = catch;
700Sstevel@tonic-gate sv.sv_mask = 0;
710Sstevel@tonic-gate sv.sv_flags = SV_INTERRUPT;
720Sstevel@tonic-gate (void) sigvec(SIGINT, &sv, &osv);
730Sstevel@tonic-gate intrupt = 0;
740Sstevel@tonic-gate (void) ioctl(fileno(fi), TCGETS, &ttyb);
750Sstevel@tonic-gate flags = ttyb.c_lflag;
760Sstevel@tonic-gate ttyb.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
770Sstevel@tonic-gate (void) ioctl(fileno(fi), TCSETSF, &ttyb);
780Sstevel@tonic-gate (void) fputs(prompt, stderr);
790Sstevel@tonic-gate p = pbuf;
800Sstevel@tonic-gate while( !intrupt &&
810Sstevel@tonic-gate (c = getc(fi)) != '\n' && c != '\r' && c != EOF ) {
820Sstevel@tonic-gate if(p < &pbuf[ MAXPASSWD ])
830Sstevel@tonic-gate *p++ = c;
840Sstevel@tonic-gate }
850Sstevel@tonic-gate *p = '\0';
860Sstevel@tonic-gate ttyb.c_lflag = flags;
870Sstevel@tonic-gate (void) ioctl(fileno(fi), TCSETSW, &ttyb);
880Sstevel@tonic-gate (void) putc('\n', stderr);
890Sstevel@tonic-gate (void) sigvec(SIGINT, &osv, (struct sigvec *)NULL);
900Sstevel@tonic-gate if(fi != stdin)
910Sstevel@tonic-gate (void) fclose(fi);
920Sstevel@tonic-gate #ifdef S5EMUL /* XXX - BOTH versions should probably do this! */
930Sstevel@tonic-gate if(intrupt)
940Sstevel@tonic-gate (void) kill(getpid(), SIGINT);
950Sstevel@tonic-gate #endif
960Sstevel@tonic-gate return(pbuf);
970Sstevel@tonic-gate }
980Sstevel@tonic-gate
990Sstevel@tonic-gate static void
catch(void)100*722Smuffin catch(void)
1010Sstevel@tonic-gate {
1020Sstevel@tonic-gate ++intrupt;
1030Sstevel@tonic-gate }
104