1 /* Copyright (C) 1992-1998 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 Cambridge, MA 02139, USA. */
19 /* Modified to use with samba by Jeremy Allison, 8th July 1995. */
23 #ifdef REPLACE_GETPASS
27 /* SYSTEM V TERMIO HANDLING */
29 static struct termio t;
31 #define ECHO_IS_ON(t) ((t).c_lflag & ECHO)
32 #define TURN_ECHO_OFF(t) ((t).c_lflag &= ~ECHO)
33 #define TURN_ECHO_ON(t) ((t).c_lflag |= ECHO)
43 static int tcgetattr(int fd, struct termio *t)
45 return ioctl(fd, TCGETA, t);
48 static int tcsetattr(int fd, int flags, struct termio *t)
51 ioctl(fd, TCFLSH, TCIOFLUSH);
52 return ioctl(fd, TCSETS, t);
55 #elif !defined(TCSAFLUSH)
57 /* BSD TERMIO HANDLING */
59 static struct sgttyb t;
61 #define ECHO_IS_ON(t) ((t).sg_flags & ECHO)
62 #define TURN_ECHO_OFF(t) ((t).sg_flags &= ~ECHO)
63 #define TURN_ECHO_ON(t) ((t).sg_flags |= ECHO)
68 static int tcgetattr(int fd, struct sgttyb *t)
70 return ioctl(fd, TIOCGETP, (char *)t);
73 static int tcsetattr(int fd, int flags, struct sgttyb *t)
75 return ioctl(fd, TIOCSETP, (char *)t);
78 #else /* POSIX TERMIO HANDLING */
79 #define ECHO_IS_ON(t) ((t).c_lflag & ECHO)
80 #define TURN_ECHO_OFF(t) ((t).c_lflag &= ~ECHO)
81 #define TURN_ECHO_ON(t) ((t).c_lflag |= ECHO)
83 static struct termios t;
84 #endif /* SYSV_TERMIO */
86 static SIG_ATOMIC_T gotintr;
87 static int in_fd = -1;
89 /***************************************************************
90 Signal function to tell us were ^C'ed.
91 ****************************************************************/
93 static void gotintr_sig(void)
97 close(in_fd); /* Safe way to force a return. */
101 char *getsmbpass(const char *prompt)
105 static char buf[256];
106 static size_t bufsize = sizeof(buf);
109 /* Catch problematic signals */
110 CatchSignal(SIGINT, SIGNAL_CAST gotintr_sig);
112 /* Try to write to and read from the terminal if we can.
113 If we can't open the terminal, use stderr and stdin. */
115 in = fopen ("/dev/tty", "w+");
123 setvbuf(in, NULL, _IONBF, 0);
125 /* Turn echoing off if it is on now. */
127 if (tcgetattr (fileno (in), &t) == 0) {
130 echo_off = tcsetattr (fileno (in), TCSAFLUSH, &t) == 0;
139 /* Write the prompt. */
143 /* Read the password. */
147 fgets(buf, bufsize, in);
150 if (buf[nread - 1] == '\n')
151 buf[nread - 1] = '\0';
153 /* Restore echoing. */
155 if (gotintr && in_fd == -1)
156 in = fopen ("/dev/tty", "w+");
158 tcsetattr (fileno (in), TCSANOW, &t);
164 if (in != stdin) /* We opened the terminal; now close it. */
167 /* Catch problematic signals */
168 CatchSignal(SIGINT, SIGNAL_CAST SIG_DFL);
171 printf("Interupted by signal.\n");
179 void getsmbpasswd_dummy(void);
180 void getsmbpasswd_dummy(void) {;}