r12592: Remove some useless dependencies

(This used to be commit ca8db1a0cd77682ac2c6dc4718f5d753a4fcc4db)

7 files changed, 371 insertions, 2 deletions

diff --git a/source4/lib/replace/README b/source4/lib/replace/README
index 80a2d5c163..19364e2faa 100644
--- a/source4/lib/replace/README
+++ b/source4/lib/replace/README
@@ -48,6 +48,8 @@ errno
 mkstemp (a secure one!)
 pread
 pwrite
+getpass
+readline (the library)
 
 Types:
 socklen_t
diff --git a/source4/lib/replace/config.m4 b/source4/lib/replace/config.m4
index 70d13e40fd..379c14e776 100644
--- a/source4/lib/replace/config.m4
+++ b/source4/lib/replace/config.m4
@@ -124,3 +124,6 @@ LIBS="$SAVE_LIBS"
 
 AC_CHECK_FUNCS([syslog memset setnetgrent getnetgrent endnetgrent memcpy],,
 			   [AC_MSG_ERROR([Required function not found])])
+
+sinclude(lib/replace/readline.m4)
+sinclude(lib/replace/getpass.m4)
diff --git a/source4/lib/replace/config.mk b/source4/lib/replace/config.mk
index 7ed33b2dc0..459465c64f 100644
--- a/source4/lib/replace/config.mk
+++ b/source4/lib/replace/config.mk
@@ -7,13 +7,13 @@ NOPROTO = YES
 # End SUBSYSTEM REPLACE_READDIR
 ##############################
 
-
 ##############################
 # Start SUBSYSTEM LIBREPLACE
 [SUBSYSTEM::LIBREPLACE]
 OBJ_FILES = replace.o \
 		snprintf.o \
-		dlfcn.o
+		dlfcn.o \
+		getpass.o
 NOPROTO = YES
 REQUIRED_SUBSYSTEMS = REPLACE_READDIR
 # End SUBSYSTEM LIBREPLACE
diff --git a/source4/lib/replace/getpass.c b/source4/lib/replace/getpass.c
new file mode 100644
index 0000000000..4ffcde8dfd
--- /dev/null
+++ b/source4/lib/replace/getpass.c
@@ -0,0 +1,158 @@
+/* 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"
+#include "system/terminal.h"
+#include "system/wait.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 */
+
+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 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 */
+  CatchSignal(SIGINT, SIGNAL_CAST SIG_DFL);
+
+  printf("\n");
+  return buf;
+}
+
+#else
+ void getsmbpasswd_dummy(void);
+ void getsmbpasswd_dummy(void) {;}
+#endif
diff --git a/source4/lib/replace/getpass.m4 b/source4/lib/replace/getpass.m4
new file mode 100644
index 0000000000..2bd9d7bc1a
--- /dev/null
+++ b/source4/lib/replace/getpass.m4
@@ -0,0 +1,15 @@
+AC_CACHE_CHECK([whether getpass should be replaced],samba_cv_REPLACE_GETPASS,[
+SAVE_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS -I${srcdir-.}/ -I${srcdir-.}/include -I${srcdir-.}/ubiqx -I${srcdir-.}/popt  -I${srcdir-.}/smbwrapper"
+AC_TRY_COMPILE([
+#define REPLACE_GETPASS 1
+#define NO_CONFIG_H 1
+#define main dont_declare_main
+#include "${srcdir-.}/lib/cmdline/getsmbpass.c"
+#undef main
+],[],samba_cv_REPLACE_GETPASS=yes,samba_cv_REPLACE_GETPASS=no)
+CPPFLAGS="$SAVE_CPPFLAGS"
+])
+if test x"$samba_cv_REPLACE_GETPASS" = x"yes"; then
+	AC_DEFINE(REPLACE_GETPASS,1,[Whether getpass should be replaced])
+fi
diff --git a/source4/lib/replace/readline.c b/source4/lib/replace/readline.c
new file mode 100644
index 0000000000..52f45eb759
--- /dev/null
+++ b/source4/lib/replace/readline.c
@@ -0,0 +1,119 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Samba readline wrapper implementation
+   Copyright (C) Simo Sorce 2001
+   Copyright (C) Andrew Tridgell 2001
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program 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 General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "pstring.h"
+
+#include <unistd.h>
+#include "system/readline.h"
+
+/****************************************************************************
+ Display the prompt and wait for input. Call callback() regularly
+****************************************************************************/
+
+static char *smb_readline_replacement(const char *prompt, void (*callback)(void), 
+				      char **(completion_fn)(const char *text, int start, int end))
+{
+	fd_set fds;
+	static pstring line;
+	struct timeval timeout;
+	int fd = STDIN_FILENO;
+	char *ret;
+
+	do_debug("%s", prompt);
+
+	while (1) {
+		timeout.tv_sec = 5;
+		timeout.tv_usec = 0;
+
+		FD_ZERO(&fds);
+		FD_SET(fd,&fds);
+	
+		if (sys_select_intr(fd+1,&fds,NULL,NULL,&timeout) == 1) {
+			ret = x_fgets(line, sizeof(line), x_stdin);
+			return ret;
+		}
+		if (callback)
+			callback();
+	}
+}
+
+/****************************************************************************
+ Display the prompt and wait for input. Call callback() regularly.
+****************************************************************************/
+
+char *smb_readline(const char *prompt, void (*callback)(void), 
+		   char **(completion_fn)(const char *text, int start, int end))
+{
+#if HAVE_LIBREADLINE
+	if (isatty(STDIN_FILENO)) {
+		char *ret;
+
+		/* Aargh!  Readline does bizzare things with the terminal width
+		that mucks up expect(1).  Set CLI_NO_READLINE in the environment
+		to force readline not to be used. */
+
+		if (getenv("CLI_NO_READLINE"))
+			return smb_readline_replacement(prompt, callback, completion_fn);
+
+		if (completion_fn) {
+			/* The callback prototype has changed slightly between
+			different versions of Readline, so the same function
+			works in all of them to date, but we get compiler
+			warnings in some.  */
+			rl_attempted_completion_function = RL_COMPLETION_CAST completion_fn;
+		}
+
+		if (callback)
+			rl_event_hook = (Function *)callback;
+		ret = readline(prompt);
+		if (ret && *ret)
+			add_history(ret);
+		return ret;
+	} else
+#endif
+	return smb_readline_replacement(prompt, callback, completion_fn);
+}
+
+/****************************************************************************
+ * return line buffer text
+ ****************************************************************************/
+const char *smb_readline_get_line_buffer(void)
+{
+#if defined(HAVE_LIBREADLINE)
+	return rl_line_buffer;
+#else
+	return NULL;
+#endif
+}
+
+/****************************************************************************
+ * set completion append character
+ ***************************************************************************/
+void smb_readline_ca_char(char c)
+{
+#if defined(HAVE_LIBREADLINE)
+	rl_completion_append_character = c;
+#endif
+}
+
+
+
diff --git a/source4/lib/replace/readline.m4 b/source4/lib/replace/readline.m4
new file mode 100644
index 0000000000..0d1aa60d17
--- /dev/null
+++ b/source4/lib/replace/readline.m4
@@ -0,0 +1,72 @@
+###############################################
+# Readline included by default unless explicitly asked not to
+test "${with_readline+set}" != "set" && with_readline=yes
+
+# test for where we get readline() from
+AC_MSG_CHECKING(whether to use readline)
+AC_ARG_WITH(readline,
+[  --with-readline[=DIR]   Look for readline include/libs in DIR (default=auto) ],
+[  case "$with_readline" in
+  yes)
+    AC_MSG_RESULT(yes)
+
+    AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
+    AC_CHECK_HEADERS(readline/history.h)
+
+    AC_CHECK_HEADERS(readline.h readline/readline.h,[
+      for termlib in ncurses curses termcap terminfo termlib tinfo; do
+       AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
+      done
+      AC_CHECK_LIB(readline, rl_callback_handler_install,
+       [TERMLIBS="-lreadline $TERMLIBS"
+       AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
+       break], [TERMLIBS=], $TERMLIBS)])
+    ;;
+  no)
+    AC_MSG_RESULT(no)
+    ;;
+  *)
+    AC_MSG_RESULT(yes)
+
+    # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
+    # alternate readline path
+    _ldflags=${LDFLAGS}
+    _cppflags=${CPPFLAGS}
+
+    # Add additional search path
+    LDFLAGS="-L$with_readline/lib $LDFLAGS"
+    CPPFLAGS="-I$with_readline/include $CPPFLAGS"
+
+    AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
+    AC_CHECK_HEADERS(readline/history.h)
+
+    AC_CHECK_HEADERS(readline.h readline/readline.h,[
+      for termlib in ncurses curses termcap terminfo termlib; do
+       AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
+      done
+      AC_CHECK_LIB(readline, rl_callback_handler_install,
+       [TERMLDFLAGS="-L$with_readline/lib"
+       TERMCPPFLAGS="-I$with_readline/include"
+       LDFLAGS="-L$with_readline/lib $LDFLAGS"
+       CPPFLAGS="-I$with_readline/include $CPPFLAGS"
+       TERMLIBS="-lreadline $TERMLIBS"
+       AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
+       break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
+
+    ;;
+  esac],
+  AC_MSG_RESULT(no)
+)
+
+# The readline API changed slightly from readline3 to readline4, so
+# code will generate warnings on one of them unless we have a few
+# special cases.
+AC_CHECK_LIB(readline, rl_completion_matches,
+	     [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1, 
+			[Do we have rl_completion_matches?])],
+	     [],
+	     [$TERMLIBS])
+
+SMB_EXT_LIB(READLINE, [${TERMLIBS}])
+
+SMB_SUBSYSTEM(LIBREADLINE, [lib/replace/readline.o], [EXT_LIB_READLINE])