Tcl Source Code

2012-01-19  Don Porter  <[email protected]>

	* generic/tclCmdMZ.c:	[Bug 3475667] Prevent buffer read overflow.
	Thanks to "sebres" for the report and fix.

2012-01-17  Don Porter  <[email protected]>

#      ifdef __BORLANDC__
typedef struct stati64 Tcl_StatBuf;
#         define TCL_LL_MODIFIER	"L"
#         define TCL_LL_MODIFIER_SIZE	1
#      else /* __BORLANDC__ */
#         if defined(_WIN64)
typedef struct __stat64 Tcl_StatBuf;
#         elif (defined(_MSC_VER) && (_MSC_VER < 1400))
typedef struct _stati64	Tcl_StatBuf;
#         else
typedef struct _stat32i64 Tcl_StatBuf;
#         endif /* _MSC_VER < 1400 */
#         define TCL_LL_MODIFIER	"I64"
#         define TCL_LL_MODIFIER_SIZE	3
#      endif /* __BORLANDC__ */

/*
 * tclFCmd.c
 *
 *      This file implements the generic portion of file manipulation 
 *      subcommands of the "file" command. 
 *
 * Copyright (c) 1996-1998 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */






#include <sys/stat.h>
#include "tclInt.h"
#include "tclPort.h"

/*
 * Declarations for local procedures defined in this file:

 * Copyright (c) 1994-1997 Sun Microsystems, Inc.
 * Copyright (c) 1998-2000 Ajuba Solutions.
 * Copyright (c) 2003 by Kevin B. Kenny.  All rights reserved.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */






#define TCL_TEST
#include <sys/stat.h>
#include "tclInt.h"
#include "tclPort.h"

/*

echo "$ac_t""$tcl_cv_cast_to_union" 1>&6
if test "$tcl_cv_cast_to_union" = "yes"; then
    cat >> confdefs.h <<\EOF
#define HAVE_CAST_TO_UNION 1
EOF

fi

# Check to see if struct _stat32i64 exists in mingw's sys/stat.h

echo $ac_n "checking if struct _stat32i64 missing""... $ac_c" 1>&6
echo "configure:1270: checking if struct _stat32i64 missing" >&5
if eval "test \"`echo '$''{'tcl_struct_stat32i64'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1275 "configure"
#include "confdefs.h"

#include <sys/types.h>
#include <sys/stat.h>

int main() {

  struct _stat32i64 foo;

; return 0; }
EOF
if { (eval echo configure:1287: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_struct_stat32i64=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_struct_stat32i64=yes
fi
rm -f conftest*

fi

echo "$ac_t""$tcl_struct_stat32i64" 1>&6
if test "$tcl_struct_stat32i64" = "yes" ; then
    cat >> confdefs.h <<\EOF
#define HAVE_NO_STRUCT_STAT32I64 1
EOF

fi


#--------------------------------------------------------------------
# Determines the correct binary file extension (.o, .obj, .exe etc.)
#--------------------------------------------------------------------

echo $ac_n "checking for object suffix""... $ac_c" 1>&6
echo "configure:1314: checking for object suffix" >&5
if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  rm -f conftest*
echo 'int i = 1;' > conftest.$ac_ext
if { (eval echo configure:1320: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  for ac_file in conftest.*; do
    case $ac_file in
    *.c) ;;
    *) ac_cv_objext=`echo $ac_file | sed -e s/conftest.//` ;;
    esac
  done
else
  { echo "configure: error: installation or configuration problem; compiler does not work" 1>&2; exit 1; }
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_objext" 1>&6
OBJEXT=$ac_cv_objext
ac_objext=$ac_cv_objext

echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
echo "configure:1338: checking for mingw32 environment" >&5
if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1343 "configure"
#include "confdefs.h"

int main() {
return __MINGW32__;
; return 0; }
EOF
if { (eval echo configure:1350: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_mingw32=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_mingw32=no
fi
rm -f conftest*
rm -f conftest*
fi

echo "$ac_t""$ac_cv_mingw32" 1>&6
MINGW32=
test "$ac_cv_mingw32" = yes && MINGW32=yes


echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
echo "configure:1369: checking for executable suffix" >&5
if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
  ac_cv_exeext=.exe
else
  rm -f conftest*
  echo 'int main () { return 0; }' > conftest.$ac_ext
  ac_cv_exeext=
  if { (eval echo configure:1379: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
    for file in conftest.*; do
      case $file in
      *.c | *.o | *.obj) ;;
      *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
      esac
    done
  else

#--------------------------------------------------------------------
# Check whether --enable-threads or --disable-threads was given.
#--------------------------------------------------------------------


    echo $ac_n "checking for building with threads""... $ac_c" 1>&6
echo "configure:1406: checking for building with threads" >&5
    # Check whether --enable-threads or --disable-threads was given.
if test "${enable_threads+set}" = set; then
  enableval="$enable_threads"
  tcl_ok=$enableval
else
  tcl_ok=no
fi

#--------------------------------------------------------------------
# The statements below define a collection of symbols related to
# building libtcl as a shared library instead of a static library.
#--------------------------------------------------------------------


    echo $ac_n "checking how to build libraries""... $ac_c" 1>&6
echo "configure:1443: checking how to build libraries" >&5
    # Check whether --enable-shared or --disable-shared was given.
if test "${enable_shared+set}" = set; then
  enableval="$enable_shared"
  tcl_ok=$enableval
else
  tcl_ok=yes
fi

#--------------------------------------------------------------------



    # Step 0: Enable 64 bit support?

    echo $ac_n "checking if 64bit support is requested""... $ac_c" 1>&6
echo "configure:1484: checking if 64bit support is requested" >&5
    # Check whether --enable-64bit or --disable-64bit was given.
if test "${enable_64bit+set}" = set; then
  enableval="$enable_64bit"
  do64bit=$enableval
else
  do64bit=no
fi

    echo "$ac_t""$do64bit" 1>&6

    # Cross-compiling options for Windows/CE builds

    echo $ac_n "checking if Windows/CE build is requested""... $ac_c" 1>&6
echo "configure:1498: checking if Windows/CE build is requested" >&5
    # Check whether --enable-wince or --disable-wince was given.
if test "${enable_wince+set}" = set; then
  enableval="$enable_wince"
  doWince=$enableval
else
  doWince=no
fi

    echo "$ac_t""$doWince" 1>&6

    echo $ac_n "checking for Windows/CE celib directory""... $ac_c" 1>&6
echo "configure:1510: checking for Windows/CE celib directory" >&5
    # Check whether --with-celib or --without-celib was given.
if test "${with_celib+set}" = set; then
  withval="$with_celib"
  CELIB_DIR=$withval
else
  CELIB_DIR=NO_CELIB
fi

    echo "$ac_t""$CELIB_DIR" 1>&6

    # Set some defaults (may get changed below)
    EXTRA_CFLAGS=""

    # Extract the first word of "cygpath", so it can be a program name with args.
set dummy cygpath; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1527: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CYGPATH'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CYGPATH"; then
  ac_cv_prog_CYGPATH="$CYGPATH" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"

    if test "$GCC" = "yes" && test "$CYGPATH" != "echo" ; then
	conftest=/tmp/conftest.rc
	echo "STRINGTABLE BEGIN" > $conftest
	echo "101 \"name\"" >> $conftest
	echo "END" >> $conftest

	echo $ac_n "checking for Windows native path bug in windres""... $ac_c" 1>&6
echo "configure:1575: checking for Windows native path bug in windres" >&5
	cyg_conftest=`$CYGPATH $conftest`
	if { ac_try='$RC -o conftest.res.o $cyg_conftest'; { (eval echo configure:1577: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } ; then
	    echo "$ac_t""no" 1>&6
	else
	    echo "$ac_t""yes" 1>&6
	    CYGPATH=echo
	fi
	conftest=
	cyg_conftest=
    fi

    if test "$CYGPATH" = "echo" || test "$ac_cv_cygwin" = "yes"; then
        DEPARG='"$<"'
    else
        DEPARG='"$(shell $(CYGPATH) $<)"'
    fi

    # set various compiler flags depending on whether we are using gcc or cl

    echo $ac_n "checking compiler flags""... $ac_c" 1>&6
echo "configure:1596: checking compiler flags" >&5
    if test "${GCC}" = "yes" ; then
	SHLIB_LD=""
	SHLIB_LD_LIBS=""
	LIBS=""
	LIBS_GUI="-lgdi32 -lcomdlg32 -limm32 -lcomctl32 -lshell32"
	STLIB_LD='${AR} cr'
	RC_OUT=-o

		;;
	    ia64)
		MACHINE="IA64"
		echo "$ac_t""   Using 64-bit $MACHINE mode" 1>&6
		;;
	    *)
		cat > conftest.$ac_ext <<EOF
#line 1710 "configure"
#include "confdefs.h"

			#ifdef _WIN64
			#error 64-bit
			#endif
		
int main() {

; return 0; }
EOF
if { (eval echo configure:1721: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_win_64bit=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_win_64bit=yes

# Set the default compiler switches based on the --enable-symbols
# option.  This macro depends on C flags, and should be called
# after SC_CONFIG_CFLAGS macro is called.
#--------------------------------------------------------------------


    echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
echo "configure:1974: checking for build with symbols" >&5
    # Check whether --enable-symbols or --disable-symbols was given.
if test "${enable_symbols+set}" = set; then
  enableval="$enable_symbols"
  tcl_ok=$enableval
else
  tcl_ok=no
fi

TCL_DBGX=${DBGX}

#--------------------------------------------------------------------
# man2tcl needs this so that it can use errno.h
#--------------------------------------------------------------------

echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
echo "configure:2034: checking how to run the C preprocessor" >&5
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
  CPP=
fi
if test -z "$CPP"; then
if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
    # This must be in double quotes, not single quotes, because CPP may get
  # substituted into the Makefile and "${CC-cc}" will confuse make.
  CPP="${CC-cc} -E"
  # On the NeXT, cc -E runs the code through the compiler's parser,
  # not just through cpp.
  cat > conftest.$ac_ext <<EOF
#line 2049 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2055: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP="${CC-cc} -E -traditional-cpp"
  cat > conftest.$ac_ext <<EOF
#line 2066 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2072: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP="${CC-cc} -nologo -E"
  cat > conftest.$ac_ext <<EOF
#line 2083 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2089: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5

else
  ac_cv_prog_CPP="$CPP"
fi
echo "$ac_t""$CPP" 1>&6

ac_safe=`echo "errno.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for errno.h""... $ac_c" 1>&6
echo "configure:2115: checking for errno.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2120 "configure"
#include "confdefs.h"
#include <errno.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2125: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

        tcl_cv_cast_to_union=yes,
        tcl_cv_cast_to_union=no)
)
if test "$tcl_cv_cast_to_union" = "yes"; then
    AC_DEFINE(HAVE_CAST_TO_UNION, 1,
            [Defined when compiler supports casting to union type.])
fi

# Check to see if struct _stat32i64 exists in mingw's sys/stat.h

AC_CACHE_CHECK(if struct _stat32i64 missing,
    tcl_struct_stat32i64,
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/stat.h>
],
[
  struct _stat32i64 foo;
],
        tcl_struct_stat32i64=no,
        tcl_struct_stat32i64=yes)
)
if test "$tcl_struct_stat32i64" = "yes" ; then
    AC_DEFINE(HAVE_NO_STRUCT_STAT32I64, 1,
            [Defined when sys/stat.h is missing struct _stat32i64])
fi


#--------------------------------------------------------------------
# Determines the correct binary file extension (.o, .obj, .exe etc.)
#--------------------------------------------------------------------

AC_OBJEXT
AC_EXEEXT

 * Define ENOTSUP to a value that will never occur.
 */

#undef ENOTSUP
#define ENOTSUP	-1030507

/*
 * Not all mingw32 versions have this struct.
 */
#if !defined(__BORLANDC__) && !defined(_MSC_VER) && !defined(_WIN64) && defined(HAVE_NO_STRUCT_STAT32I64)
  struct _stat32i64 {
    dev_t st_dev;
    ino_t st_ino;
    unsigned short st_mode;
    short st_nlink;
    short st_uid;
    short st_gid;
    dev_t st_rdev;
    __int64 st_size;
#ifdef __CYGWIN__
    struct {long tv_sec;} st_atim;
    struct {long tv_sec;} st_mtim;
    struct {long tv_sec;} st_ctim;
#else
    long st_atime;
    long st_mtime;
    long st_ctime;
#endif
  };
#endif

/* Those codes, from Visual Studio 2010, conflict with other values */
#undef ENODATA
#undef ENOMSG
#undef ENOSR