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Diffstat (limited to 'source/lib/getsmbpass.c')
-rw-r--r-- | source/lib/getsmbpass.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/source/lib/getsmbpass.c b/source/lib/getsmbpass.c new file mode 100644 index 00000000000..07a7dbfd9b5 --- /dev/null +++ b/source/lib/getsmbpass.c @@ -0,0 +1,166 @@ +/* Copyright (C) 1992, 1993, 1994 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 + +int tcgetattr(int fd, struct termio *t) +{ + return ioctl(fd, TCGETA, t); +} + +int tcsetattr(int fd, int flags, const struct termio *t) +{ + if(flags & TCSAFLUSH) + ioctl(fd, TCFLSH, TCIOFLUSH); + return ioctl(fd, TCSETS, t); +} + +#else /* SYSV_TERMIO */ +#ifdef BSD_TERMIO + +/* 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) + +#ifndef TCSAFLUSH +#define TCSAFLUSH 1 +#endif + +#ifndef TCSANOW +#define TCSANOW 0 +#endif + +int tcgetattr(int fd, struct sgttyb *t) +{ + return ioctl(fd, TIOCGETP, (char *)t); +} + +int tcsetattr(int fd, int flags, const struct sgttyb *t) +{ + return ioctl(fd, TIOCSETP, (char *)t); +} + +#else /* BSD_TERMIO */ + +/* 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 /* BSD_TERMIO */ +#endif /* SYSV_TERMIO */ + +char * +getsmbpass(char *prompt) +{ + FILE *in, *out; + int echo_off; + static char buf[256]; + static size_t bufsize = sizeof(buf); + size_t nread; + + /* Catch problematic signals */ + signal(SIGINT, SIGNAL_CAST SIG_IGN); + + /* 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; + fgets(buf, bufsize, in); + nread = strlen(buf); + if (buf[nread - 1] == '\n') + buf[nread - 1] = '\0'; + + /* Restore echoing. */ + if (echo_off) + (void) tcsetattr (fileno (in), TCSANOW, &t); + + if (in != stdin) + /* We opened the terminal; now close it. */ + fclose (in); + + /* Catch problematic signals */ + signal(SIGINT, SIGNAL_CAST SIG_DFL); + + printf("\n"); + return buf; +} + +#else + +void getsmbpasswd_dummy() {;} +#endif |