Initial import

[samba] / source / lib / getsmbpass.c

diff --git a/source/lib/getsmbpass.c b/source/lib/getsmbpass.c
new file mode 100644 (file)
index 0000000..df5e035
--- /dev/null
+++ b/source/lib/getsmbpass.c
@@ -0,0 +1,181 @@
+/* Copyright (C) 1992-1998 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/* Modified to use with samba by Jeremy Allison, 8th July 1995. */
+
+#include "includes.h"
+
+#ifdef REPLACE_GETPASS
+
+#ifdef SYSV_TERMIO 
+
+/* SYSTEM V TERMIO HANDLING */
+
+static struct termio t;
+
+#define ECHO_IS_ON(t) ((t).c_lflag & ECHO)
+#define TURN_ECHO_OFF(t) ((t).c_lflag &= ~ECHO)
+#define TURN_ECHO_ON(t) ((t).c_lflag |= ECHO)
+
+#ifndef TCSAFLUSH
+#define TCSAFLUSH 1
+#endif
+
+#ifndef TCSANOW
+#define TCSANOW 0
+#endif
+
+static int tcgetattr(int fd, struct termio *t)
+{
+       return ioctl(fd, TCGETA, t);
+}
+
+static int tcsetattr(int fd, int flags, struct termio *t)
+{
+       if(flags & TCSAFLUSH)
+               ioctl(fd, TCFLSH, TCIOFLUSH);
+       return ioctl(fd, TCSETS, t);
+}
+
+#elif !defined(TCSAFLUSH)
+
+/* BSD TERMIO HANDLING */
+
+static struct sgttyb t;  
+
+#define ECHO_IS_ON(t) ((t).sg_flags & ECHO)
+#define TURN_ECHO_OFF(t) ((t).sg_flags &= ~ECHO)
+#define TURN_ECHO_ON(t) ((t).sg_flags |= ECHO)
+
+#define TCSAFLUSH 1
+#define TCSANOW 0
+
+static int tcgetattr(int fd, struct sgttyb *t)
+{
+       return ioctl(fd, TIOCGETP, (char *)t);
+}
+
+static int tcsetattr(int fd, int flags, struct sgttyb *t)
+{
+       return ioctl(fd, TIOCSETP, (char *)t);
+}
+
+#else /* POSIX TERMIO HANDLING */
+#define ECHO_IS_ON(t) ((t).c_lflag & ECHO)
+#define TURN_ECHO_OFF(t) ((t).c_lflag &= ~ECHO)
+#define TURN_ECHO_ON(t) ((t).c_lflag |= ECHO)
+
+static struct termios t;
+#endif /* SYSV_TERMIO */
+
+static SIG_ATOMIC_T gotintr;
+static int in_fd = -1;
+
+/***************************************************************
+ Signal function to tell us were ^C'ed.
+****************************************************************/
+
+static void gotintr_sig(void)
+{
+       gotintr = 1;
+       if (in_fd != -1)
+               close(in_fd); /* Safe way to force a return. */
+       in_fd = -1;
+}
+
+char *getsmbpass(const char *prompt)
+{
+       FILE *in, *out;
+       int echo_off;
+       static char buf[256];
+       static size_t bufsize = sizeof(buf);
+       size_t nread;
+
+       /* Catch problematic signals */
+       CatchSignal(SIGINT, SIGNAL_CAST gotintr_sig);
+
+       /* Try to write to and read from the terminal if we can.
+               If we can't open the terminal, use stderr and stdin.  */
+
+       in = fopen ("/dev/tty", "w+");
+       if (in == NULL) {
+               in = stdin;
+               out = stderr;
+       } else {
+               out = in;
+       }
+
+       setvbuf(in, NULL, _IONBF, 0);
+
+       /* Turn echoing off if it is on now.  */
+
+       if (tcgetattr (fileno (in), &t) == 0) {
+               if (ECHO_IS_ON(t)) {
+                       TURN_ECHO_OFF(t);
+                       echo_off = tcsetattr (fileno (in), TCSAFLUSH, &t) == 0;
+                       TURN_ECHO_ON(t);
+               } else {
+                       echo_off = 0;
+               }
+       } else {
+               echo_off = 0;
+       }
+
+       /* Write the prompt.  */
+       fputs(prompt, out);
+       fflush(out);
+
+       /* Read the password.  */
+       buf[0] = 0;
+       if (!gotintr) {
+               in_fd = fileno(in);
+               fgets(buf, bufsize, in);
+       }
+       nread = strlen(buf);
+       if (buf[nread - 1] == '\n')
+               buf[nread - 1] = '\0';
+
+       /* Restore echoing.  */
+       if (echo_off) {
+               if (gotintr && in_fd == -1)
+                       in = fopen ("/dev/tty", "w+");
+               if (in != NULL)
+                       tcsetattr (fileno (in), TCSANOW, &t);
+       }
+
+       fprintf(out, "\n");
+       fflush(out);
+
+       if (in != stdin) /* We opened the terminal; now close it.  */
+               fclose(in);
+
+       /* Catch problematic signals */
+       CatchSignal(SIGINT, SIGNAL_CAST SIG_DFL);
+
+       if (gotintr) {
+               printf("Interupted by signal.\n");
+               fflush(stdout);
+               exit(1);
+       }
+       return buf;
+}
+
+#else
+ void getsmbpasswd_dummy(void);
+ void getsmbpasswd_dummy(void) {;}
+#endif