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 2004 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 #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 30*0Sstevel@tonic-gate /* All Rights Reserved */ 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #pragma weak getpass = _getpass 34*0Sstevel@tonic-gate #pragma weak getpassphrase = _getpassphrase 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include "synonyms.h" 37*0Sstevel@tonic-gate #include "file64.h" 38*0Sstevel@tonic-gate #include "mtlib.h" 39*0Sstevel@tonic-gate #include <stdio.h> 40*0Sstevel@tonic-gate #include <sys/types.h> 41*0Sstevel@tonic-gate #include <signal.h> 42*0Sstevel@tonic-gate #include <unistd.h> 43*0Sstevel@tonic-gate #include <stropts.h> 44*0Sstevel@tonic-gate #include <termio.h> 45*0Sstevel@tonic-gate #include <thread.h> 46*0Sstevel@tonic-gate #include <synch.h> 47*0Sstevel@tonic-gate #include "libc.h" 48*0Sstevel@tonic-gate #include "stdiom.h" 49*0Sstevel@tonic-gate #include "tsd.h" 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate static void catch(int); 52*0Sstevel@tonic-gate static int intrupt; 53*0Sstevel@tonic-gate static char *__getpass(const char *, int); 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate #define MAXPASSWD 256 /* max significant characters in password */ 56*0Sstevel@tonic-gate #define SMLPASSWD 8 /* unix standard characters in password */ 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate char * 60*0Sstevel@tonic-gate getpass(const char *prompt) 61*0Sstevel@tonic-gate { 62*0Sstevel@tonic-gate return ((char *)__getpass(prompt, SMLPASSWD)); 63*0Sstevel@tonic-gate } 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate char * 66*0Sstevel@tonic-gate getpassphrase(const char *prompt) 67*0Sstevel@tonic-gate { 68*0Sstevel@tonic-gate return ((char *)__getpass(prompt, MAXPASSWD)); 69*0Sstevel@tonic-gate } 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate static char * 72*0Sstevel@tonic-gate __getpass(const char *prompt, int size) 73*0Sstevel@tonic-gate { 74*0Sstevel@tonic-gate struct termio ttyb; 75*0Sstevel@tonic-gate unsigned short flags; 76*0Sstevel@tonic-gate char *p; 77*0Sstevel@tonic-gate int c; 78*0Sstevel@tonic-gate FILE *fi; 79*0Sstevel@tonic-gate char *pbuf = tsdalloc(_T_GETPASS, MAXPASSWD + 1, NULL); 80*0Sstevel@tonic-gate void (*sig)(int); 81*0Sstevel@tonic-gate rmutex_t *lk; 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate if (pbuf == NULL || 84*0Sstevel@tonic-gate (fi = fopen("/dev/tty", "r")) == NULL) 85*0Sstevel@tonic-gate return (NULL); 86*0Sstevel@tonic-gate setbuf(fi, NULL); 87*0Sstevel@tonic-gate sig = signal(SIGINT, catch); 88*0Sstevel@tonic-gate intrupt = 0; 89*0Sstevel@tonic-gate (void) ioctl(FILENO(fi), TCGETA, &ttyb); 90*0Sstevel@tonic-gate flags = ttyb.c_lflag; 91*0Sstevel@tonic-gate ttyb.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL); 92*0Sstevel@tonic-gate (void) ioctl(FILENO(fi), TCSETAF, &ttyb); 93*0Sstevel@tonic-gate FLOCKFILE(lk, stderr); 94*0Sstevel@tonic-gate (void) fputs(prompt, stderr); 95*0Sstevel@tonic-gate p = pbuf; 96*0Sstevel@tonic-gate while (!intrupt && 97*0Sstevel@tonic-gate (c = GETC(fi)) != '\n' && c != '\r' && c != EOF) { 98*0Sstevel@tonic-gate if (p < &pbuf[ size ]) 99*0Sstevel@tonic-gate *p++ = (char)c; 100*0Sstevel@tonic-gate } 101*0Sstevel@tonic-gate *p = '\0'; 102*0Sstevel@tonic-gate ttyb.c_lflag = flags; 103*0Sstevel@tonic-gate (void) ioctl(FILENO(fi), TCSETAW, &ttyb); 104*0Sstevel@tonic-gate (void) PUTC('\n', stderr); 105*0Sstevel@tonic-gate FUNLOCKFILE(lk); 106*0Sstevel@tonic-gate (void) signal(SIGINT, sig); 107*0Sstevel@tonic-gate (void) fclose(fi); 108*0Sstevel@tonic-gate if (intrupt) 109*0Sstevel@tonic-gate (void) kill(getpid(), SIGINT); 110*0Sstevel@tonic-gate return (pbuf); 111*0Sstevel@tonic-gate } 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate /* ARGSUSED */ 114*0Sstevel@tonic-gate static void 115*0Sstevel@tonic-gate catch(int x) 116*0Sstevel@tonic-gate { 117*0Sstevel@tonic-gate intrupt = 1; 118*0Sstevel@tonic-gate } 119