From 48868ef3f5a50ee67a6cd4f4c6d56a06781af969 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 21 Nov 2024 18:35:44 +0100 Subject: Adding upstream version 0.5. Signed-off-by: Daniel Baumann --- .build-aux/compile | 347 +++ .build-aux/depcomp | 791 +++++++ .build-aux/install-sh | 501 ++++ .build-aux/missing | 215 ++ Makefile.am | 26 + Makefile.in | 806 +++++++ README | 73 + aclocal.m4 | 1150 ++++++++++ config.h.in | 57 + configure | 6043 +++++++++++++++++++++++++++++++++++++++++++++++++ configure.ac | 75 + cryptopANT.c | 669 ++++++ cryptopANT.h | 91 + dag_scrubber.c | 1996 ++++++++++++++++ dag_scrubber.spec.in | 36 + patricia.c | 1037 +++++++++ patricia.h | 218 ++ scramble_wlw.c | 115 + scramble_wlw.h | 16 + 19 files changed, 14262 insertions(+) create mode 100755 .build-aux/compile create mode 100755 .build-aux/depcomp create mode 100755 .build-aux/install-sh create mode 100755 .build-aux/missing create mode 100644 Makefile.am create mode 100644 Makefile.in create mode 100644 README create mode 100644 aclocal.m4 create mode 100644 config.h.in create mode 100755 configure create mode 100644 configure.ac create mode 100644 cryptopANT.c create mode 100644 cryptopANT.h create mode 100644 dag_scrubber.c create mode 100644 dag_scrubber.spec.in create mode 100644 patricia.c create mode 100644 patricia.h create mode 100644 scramble_wlw.c create mode 100644 scramble_wlw.h diff --git a/.build-aux/compile b/.build-aux/compile new file mode 100755 index 0000000..a85b723 --- /dev/null +++ b/.build-aux/compile @@ -0,0 +1,347 @@ +#! /bin/sh +# Wrapper for compilers which do not understand '-c -o'. + +scriptversion=2012-10-14.11; # UTC + +# Copyright (C) 1999-2014 Free Software Foundation, Inc. +# Written by Tom Tromey . +# +# 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, 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, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +nl=' +' + +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent tools from complaining about whitespace usage. +IFS=" "" $nl" + +file_conv= + +# func_file_conv build_file lazy +# Convert a $build file to $host form and store it in $file +# Currently only supports Windows hosts. If the determined conversion +# type is listed in (the comma separated) LAZY, no conversion will +# take place. +func_file_conv () +{ + file=$1 + case $file in + / | /[!/]*) # absolute file, and not a UNC file + if test -z "$file_conv"; then + # lazily determine how to convert abs files + case `uname -s` in + MINGW*) + file_conv=mingw + ;; + CYGWIN*) + file_conv=cygwin + ;; + *) + file_conv=wine + ;; + esac + fi + case $file_conv/,$2, in + *,$file_conv,*) + ;; + mingw/*) + file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'` + ;; + cygwin/*) + file=`cygpath -m "$file" || echo "$file"` + ;; + wine/*) + file=`winepath -w "$file" || echo "$file"` + ;; + esac + ;; + esac +} + +# func_cl_dashL linkdir +# Make cl look for libraries in LINKDIR +func_cl_dashL () +{ + func_file_conv "$1" + if test -z "$lib_path"; then + lib_path=$file + else + lib_path="$lib_path;$file" + fi + linker_opts="$linker_opts -LIBPATH:$file" +} + +# func_cl_dashl library +# Do a library search-path lookup for cl +func_cl_dashl () +{ + lib=$1 + found=no + save_IFS=$IFS + IFS=';' + for dir in $lib_path $LIB + do + IFS=$save_IFS + if $shared && test -f "$dir/$lib.dll.lib"; then + found=yes + lib=$dir/$lib.dll.lib + break + fi + if test -f "$dir/$lib.lib"; then + found=yes + lib=$dir/$lib.lib + break + fi + if test -f "$dir/lib$lib.a"; then + found=yes + lib=$dir/lib$lib.a + break + fi + done + IFS=$save_IFS + + if test "$found" != yes; then + lib=$lib.lib + fi +} + +# func_cl_wrapper cl arg... +# Adjust compile command to suit cl +func_cl_wrapper () +{ + # Assume a capable shell + lib_path= + shared=: + linker_opts= + for arg + do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + eat=1 + case $2 in + *.o | *.[oO][bB][jJ]) + func_file_conv "$2" + set x "$@" -Fo"$file" + shift + ;; + *) + func_file_conv "$2" + set x "$@" -Fe"$file" + shift + ;; + esac + ;; + -I) + eat=1 + func_file_conv "$2" mingw + set x "$@" -I"$file" + shift + ;; + -I*) + func_file_conv "${1#-I}" mingw + set x "$@" -I"$file" + shift + ;; + -l) + eat=1 + func_cl_dashl "$2" + set x "$@" "$lib" + shift + ;; + -l*) + func_cl_dashl "${1#-l}" + set x "$@" "$lib" + shift + ;; + -L) + eat=1 + func_cl_dashL "$2" + ;; + -L*) + func_cl_dashL "${1#-L}" + ;; + -static) + shared=false + ;; + -Wl,*) + arg=${1#-Wl,} + save_ifs="$IFS"; IFS=',' + for flag in $arg; do + IFS="$save_ifs" + linker_opts="$linker_opts $flag" + done + IFS="$save_ifs" + ;; + -Xlinker) + eat=1 + linker_opts="$linker_opts $2" + ;; + -*) + set x "$@" "$1" + shift + ;; + *.cc | *.CC | *.cxx | *.CXX | *.[cC]++) + func_file_conv "$1" + set x "$@" -Tp"$file" + shift + ;; + *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO]) + func_file_conv "$1" mingw + set x "$@" "$file" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift + done + if test -n "$linker_opts"; then + linker_opts="-link$linker_opts" + fi + exec "$@" $linker_opts + exit 1 +} + +eat= + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: compile [--help] [--version] PROGRAM [ARGS] + +Wrapper for compilers which do not understand '-c -o'. +Remove '-o dest.o' from ARGS, run PROGRAM with the remaining +arguments, and rename the output as expected. + +If you are trying to build a whole package this is not the +right script to run: please start by reading the file 'INSTALL'. + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "compile $scriptversion" + exit $? + ;; + cl | *[/\\]cl | cl.exe | *[/\\]cl.exe ) + func_cl_wrapper "$@" # Doesn't return... + ;; +esac + +ofile= +cfile= + +for arg +do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + # So we strip '-o arg' only if arg is an object. + eat=1 + case $2 in + *.o | *.obj) + ofile=$2 + ;; + *) + set x "$@" -o "$2" + shift + ;; + esac + ;; + *.c) + cfile=$1 + set x "$@" "$1" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift +done + +if test -z "$ofile" || test -z "$cfile"; then + # If no '-o' option was seen then we might have been invoked from a + # pattern rule where we don't need one. That is ok -- this is a + # normal compilation that the losing compiler can handle. If no + # '.c' file was seen then we are probably linking. That is also + # ok. + exec "$@" +fi + +# Name of file we expect compiler to create. +cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` + +# Create the lock directory. +# Note: use '[/\\:.-]' here to ensure that we don't use the same name +# that we are using for the .o file. Also, base the name on the expected +# object file name, since that is what matters with a parallel build. +lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d +while true; do + if mkdir "$lockdir" >/dev/null 2>&1; then + break + fi + sleep 1 +done +# FIXME: race condition here if user kills between mkdir and trap. +trap "rmdir '$lockdir'; exit 1" 1 2 15 + +# Run the compile. +"$@" +ret=$? + +if test -f "$cofile"; then + test "$cofile" = "$ofile" || mv "$cofile" "$ofile" +elif test -f "${cofile}bj"; then + test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" +fi + +rmdir "$lockdir" +exit $ret + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/.build-aux/depcomp b/.build-aux/depcomp new file mode 100755 index 0000000..fc98710 --- /dev/null +++ b/.build-aux/depcomp @@ -0,0 +1,791 @@ +#! /bin/sh +# depcomp - compile a program generating dependencies as side-effects + +scriptversion=2013-05-30.07; # UTC + +# Copyright (C) 1999-2014 Free Software Foundation, Inc. + +# 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, 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, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# Originally written by Alexandre Oliva . + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: depcomp [--help] [--version] PROGRAM [ARGS] + +Run PROGRAMS ARGS to compile a file, generating dependencies +as side-effects. + +Environment variables: + depmode Dependency tracking mode. + source Source file read by 'PROGRAMS ARGS'. + object Object file output by 'PROGRAMS ARGS'. + DEPDIR directory where to store dependencies. + depfile Dependency file to output. + tmpdepfile Temporary file to use when outputting dependencies. + libtool Whether libtool is used (yes/no). + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit $? + ;; +esac + +# Get the directory component of the given path, and save it in the +# global variables '$dir'. Note that this directory component will +# be either empty or ending with a '/' character. This is deliberate. +set_dir_from () +{ + case $1 in + */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; + *) dir=;; + esac +} + +# Get the suffix-stripped basename of the given path, and save it the +# global variable '$base'. +set_base_from () +{ + base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` +} + +# If no dependency file was actually created by the compiler invocation, +# we still have to create a dummy depfile, to avoid errors with the +# Makefile "include basename.Plo" scheme. +make_dummy_depfile () +{ + echo "#dummy" > "$depfile" +} + +# Factor out some common post-processing of the generated depfile. +# Requires the auxiliary global variable '$tmpdepfile' to be set. +aix_post_process_depfile () +{ + # If the compiler actually managed to produce a dependency file, + # post-process it. + if test -f "$tmpdepfile"; then + # Each line is of the form 'foo.o: dependency.h'. + # Do two passes, one to just change these to + # $object: dependency.h + # and one to simply output + # dependency.h: + # which is needed to avoid the deleted-header problem. + { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" + sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" + } > "$depfile" + rm -f "$tmpdepfile" + else + make_dummy_depfile + fi +} + +# A tabulation character. +tab=' ' +# A newline character. +nl=' +' +# Character ranges might be problematic outside the C locale. +# These definitions help. +upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ +lower=abcdefghijklmnopqrstuvwxyz +digits=0123456789 +alpha=${upper}${lower} + +if test -z "$depmode" || test -z "$source" || test -z "$object"; then + echo "depcomp: Variables source, object and depmode must be set" 1>&2 + exit 1 +fi + +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} +tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} + +rm -f "$tmpdepfile" + +# Avoid interferences from the environment. +gccflag= dashmflag= + +# Some modes work just like other modes, but use different flags. We +# parameterize here, but still list the modes in the big case below, +# to make depend.m4 easier to write. Note that we *cannot* use a case +# here, because this file can only contain one case statement. +if test "$depmode" = hp; then + # HP compiler uses -M and no extra arg. + gccflag=-M + depmode=gcc +fi + +if test "$depmode" = dashXmstdout; then + # This is just like dashmstdout with a different argument. + dashmflag=-xM + depmode=dashmstdout +fi + +cygpath_u="cygpath -u -f -" +if test "$depmode" = msvcmsys; then + # This is just like msvisualcpp but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvisualcpp +fi + +if test "$depmode" = msvc7msys; then + # This is just like msvc7 but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvc7 +fi + +if test "$depmode" = xlc; then + # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. + gccflag=-qmakedep=gcc,-MF + depmode=gcc +fi + +case "$depmode" in +gcc3) +## gcc 3 implements dependency tracking that does exactly what +## we want. Yay! Note: for some reason libtool 1.4 doesn't like +## it if -MD -MP comes after the -MF stuff. Hmm. +## Unfortunately, FreeBSD c89 acceptance of flags depends upon +## the command line argument order; so add the flags where they +## appear in depend2.am. Note that the slowdown incurred here +## affects only configure: in makefiles, %FASTDEP% shortcuts this. + for arg + do + case $arg in + -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; + *) set fnord "$@" "$arg" ;; + esac + shift # fnord + shift # $arg + done + "$@" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + mv "$tmpdepfile" "$depfile" + ;; + +gcc) +## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. +## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. +## (see the conditional assignment to $gccflag above). +## There are various ways to get dependency output from gcc. Here's +## why we pick this rather obscure method: +## - Don't want to use -MD because we'd like the dependencies to end +## up in a subdir. Having to rename by hand is ugly. +## (We might end up doing this anyway to support other compilers.) +## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like +## -MM, not -M (despite what the docs say). Also, it might not be +## supported by the other compilers which use the 'gcc' depmode. +## - Using -M directly means running the compiler twice (even worse +## than renaming). + if test -z "$gccflag"; then + gccflag=-MD, + fi + "$@" -Wp,"$gccflag$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The second -e expression handles DOS-style file names with drive + # letters. + sed -e 's/^[^:]*: / /' \ + -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" +## This next piece of magic avoids the "deleted header file" problem. +## The problem is that when a header file which appears in a .P file +## is deleted, the dependency causes make to die (because there is +## typically no way to rebuild the header). We avoid this by adding +## dummy dependencies for each header file. Too bad gcc doesn't do +## this for us directly. +## Some versions of gcc put a space before the ':'. On the theory +## that the space means something, we add a space to the output as +## well. hp depmode also adds that space, but also prefixes the VPATH +## to the object. Take care to not repeat it in the output. +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +sgi) + if test "$libtool" = yes; then + "$@" "-Wp,-MDupdate,$tmpdepfile" + else + "$@" -MDupdate "$tmpdepfile" + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + + if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files + echo "$object : \\" > "$depfile" + # Clip off the initial element (the dependent). Don't try to be + # clever and replace this with sed code, as IRIX sed won't handle + # lines with more than a fixed number of characters (4096 in + # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; + # the IRIX cc adds comments like '#:fec' to the end of the + # dependency line. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ + | tr "$nl" ' ' >> "$depfile" + echo >> "$depfile" + # The second pass generates a dummy entry for each header file. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ + >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" + ;; + +xlc) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +aix) + # The C for AIX Compiler uses -M and outputs the dependencies + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts '$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.u + tmpdepfile2=$base.u + tmpdepfile3=$dir.libs/$base.u + "$@" -Wc,-M + else + tmpdepfile1=$dir$base.u + tmpdepfile2=$dir$base.u + tmpdepfile3=$dir$base.u + "$@" -M + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + aix_post_process_depfile + ;; + +tcc) + # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 + # FIXME: That version still under development at the moment of writing. + # Make that this statement remains true also for stable, released + # versions. + # It will wrap lines (doesn't matter whether long or short) with a + # trailing '\', as in: + # + # foo.o : \ + # foo.c \ + # foo.h \ + # + # It will put a trailing '\' even on the last line, and will use leading + # spaces rather than leading tabs (at least since its commit 0394caf7 + # "Emit spaces for -MD"). + "$@" -MD -MF "$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. + # We have to change lines of the first kind to '$object: \'. + sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" + # And for each line of the second kind, we have to emit a 'dep.h:' + # dummy dependency, to avoid the deleted-header problem. + sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" + rm -f "$tmpdepfile" + ;; + +## The order of this option in the case statement is important, since the +## shell code in configure will try each of these formats in the order +## listed in this file. A plain '-MD' option would be understood by many +## compilers, so we must ensure this comes after the gcc and icc options. +pgcc) + # Portland's C compiler understands '-MD'. + # Will always output deps to 'file.d' where file is the root name of the + # source file under compilation, even if file resides in a subdirectory. + # The object file name does not affect the name of the '.d' file. + # pgcc 10.2 will output + # foo.o: sub/foo.c sub/foo.h + # and will wrap long lines using '\' : + # foo.o: sub/foo.c ... \ + # sub/foo.h ... \ + # ... + set_dir_from "$object" + # Use the source, not the object, to determine the base name, since + # that's sadly what pgcc will do too. + set_base_from "$source" + tmpdepfile=$base.d + + # For projects that build the same source file twice into different object + # files, the pgcc approach of using the *source* file root name can cause + # problems in parallel builds. Use a locking strategy to avoid stomping on + # the same $tmpdepfile. + lockdir=$base.d-lock + trap " + echo '$0: caught signal, cleaning up...' >&2 + rmdir '$lockdir' + exit 1 + " 1 2 13 15 + numtries=100 + i=$numtries + while test $i -gt 0; do + # mkdir is a portable test-and-set. + if mkdir "$lockdir" 2>/dev/null; then + # This process acquired the lock. + "$@" -MD + stat=$? + # Release the lock. + rmdir "$lockdir" + break + else + # If the lock is being held by a different process, wait + # until the winning process is done or we timeout. + while test -d "$lockdir" && test $i -gt 0; do + sleep 1 + i=`expr $i - 1` + done + fi + i=`expr $i - 1` + done + trap - 1 2 13 15 + if test $i -le 0; then + echo "$0: failed to acquire lock after $numtries attempts" >&2 + echo "$0: check lockdir '$lockdir'" >&2 + exit 1 + fi + + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each line is of the form `foo.o: dependent.h', + # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp2) + # The "hp" stanza above does not work with aCC (C++) and HP's ia64 + # compilers, which have integrated preprocessors. The correct option + # to use with these is +Maked; it writes dependencies to a file named + # 'foo.d', which lands next to the object file, wherever that + # happens to be. + # Much of this is similar to the tru64 case; see comments there. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir.libs/$base.d + "$@" -Wc,+Maked + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + "$@" +Maked + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" + # Add 'dependent.h:' lines. + sed -ne '2,${ + s/^ *// + s/ \\*$// + s/$/:/ + p + }' "$tmpdepfile" >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" "$tmpdepfile2" + ;; + +tru64) + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in 'foo.d' instead, so we check for that too. + # Subdirectories are respected. + set_dir_from "$object" + set_base_from "$object" + + if test "$libtool" = yes; then + # Libtool generates 2 separate objects for the 2 libraries. These + # two compilations output dependencies in $dir.libs/$base.o.d and + # in $dir$base.o.d. We have to check for both files, because + # one of the two compilations can be disabled. We should prefer + # $dir$base.o.d over $dir.libs/$base.o.d because the latter is + # automatically cleaned when .libs/ is deleted, while ignoring + # the former would cause a distcleancheck panic. + tmpdepfile1=$dir$base.o.d # libtool 1.5 + tmpdepfile2=$dir.libs/$base.o.d # Likewise. + tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 + "$@" -Wc,-MD + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + tmpdepfile3=$dir$base.d + "$@" -MD + fi + + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + # Same post-processing that is required for AIX mode. + aix_post_process_depfile + ;; + +msvc7) + if test "$libtool" = yes; then + showIncludes=-Wc,-showIncludes + else + showIncludes=-showIncludes + fi + "$@" $showIncludes > "$tmpdepfile" + stat=$? + grep -v '^Note: including file: ' "$tmpdepfile" + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The first sed program below extracts the file names and escapes + # backslashes for cygpath. The second sed program outputs the file + # name when reading, but also accumulates all include files in the + # hold buffer in order to output them again at the end. This only + # works with sed implementations that can handle large buffers. + sed < "$tmpdepfile" -n ' +/^Note: including file: *\(.*\)/ { + s//\1/ + s/\\/\\\\/g + p +}' | $cygpath_u | sort -u | sed -n ' +s/ /\\ /g +s/\(.*\)/'"$tab"'\1 \\/p +s/.\(.*\) \\/\1:/ +H +$ { + s/.*/'"$tab"'/ + G + p +}' >> "$depfile" + echo >> "$depfile" # make sure the fragment doesn't end with a backslash + rm -f "$tmpdepfile" + ;; + +msvc7msys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +#nosideeffect) + # This comment above is used by automake to tell side-effect + # dependency tracking mechanisms from slower ones. + +dashmstdout) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + test -z "$dashmflag" && dashmflag=-M + # Require at least two characters before searching for ':' + # in the target name. This is to cope with DOS-style filenames: + # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. + "$@" $dashmflag | + sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this sed invocation + # correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +dashXmstdout) + # This case only exists to satisfy depend.m4. It is never actually + # run, as this mode is specially recognized in the preamble. + exit 1 + ;; + +makedepend) + "$@" || exit $? + # Remove any Libtool call + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + # X makedepend + shift + cleared=no eat=no + for arg + do + case $cleared in + no) + set ""; shift + cleared=yes ;; + esac + if test $eat = yes; then + eat=no + continue + fi + case "$arg" in + -D*|-I*) + set fnord "$@" "$arg"; shift ;; + # Strip any option that makedepend may not understand. Remove + # the object too, otherwise makedepend will parse it as a source file. + -arch) + eat=yes ;; + -*|$object) + ;; + *) + set fnord "$@" "$arg"; shift ;; + esac + done + obj_suffix=`echo "$object" | sed 's/^.*\././'` + touch "$tmpdepfile" + ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" + rm -f "$depfile" + # makedepend may prepend the VPATH from the source file name to the object. + # No need to regex-escape $object, excess matching of '.' is harmless. + sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process the last invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed '1,2d' "$tmpdepfile" \ + | tr ' ' "$nl" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" "$tmpdepfile".bak + ;; + +cpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + "$@" -E \ + | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + | sed '$ s: \\$::' > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + cat < "$tmpdepfile" >> "$depfile" + sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvisualcpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + IFS=" " + for arg + do + case "$arg" in + -o) + shift + ;; + $object) + shift + ;; + "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") + set fnord "$@" + shift + shift + ;; + *) + set fnord "$@" "$arg" + shift + shift + ;; + esac + done + "$@" -E 2>/dev/null | + sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" + echo "$tab" >> "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvcmsys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +none) + exec "$@" + ;; + +*) + echo "Unknown depmode $depmode" 1>&2 + exit 1 + ;; +esac + +exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/.build-aux/install-sh b/.build-aux/install-sh new file mode 100755 index 0000000..0b0fdcb --- /dev/null +++ b/.build-aux/install-sh @@ -0,0 +1,501 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2013-12-25.23; # UTC + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# 'make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +tab=' ' +nl=' +' +IFS=" $tab$nl" + +# Set DOITPROG to "echo" to test this script. + +doit=${DOITPROG-} +doit_exec=${doit:-exec} + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +chgrpcmd= +chmodcmd=$chmodprog +chowncmd= +mvcmd=$mvprog +rmcmd="$rmprog -f" +stripcmd= + +src= +dst= +dir_arg= +dst_arg= + +copy_on_change=false +is_target_a_directory=possibly + +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve the last data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -s $stripprog installed files. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG +" + +while test $# -ne 0; do + case $1 in + -c) ;; + + -C) copy_on_change=true;; + + -d) dir_arg=true;; + + -g) chgrpcmd="$chgrpprog $2" + shift;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + case $mode in + *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; + + -o) chowncmd="$chownprog $2" + shift;; + + -s) stripcmd=$stripprog;; + + -t) + is_target_a_directory=always + dst_arg=$2 + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + shift;; + + -T) is_target_a_directory=never;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac + shift +done + +# We allow the use of options -d and -T together, by making -d +# take the precedence; this is for compatibility with GNU install. + +if test -n "$dir_arg"; then + if test -n "$dst_arg"; then + echo "$0: target directory not allowed when installing a directory." >&2 + exit 1 + fi +fi + +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call 'install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + if test $# -gt 1 || test "$is_target_a_directory" = always; then + if test ! -d "$dst_arg"; then + echo "$0: $dst_arg: Is not a directory." >&2 + exit 1 + fi + fi +fi + +if test -z "$dir_arg"; then + do_exit='(exit $ret); exit $ret' + trap "ret=129; $do_exit" 1 + trap "ret=130; $do_exit" 2 + trap "ret=141; $do_exit" 13 + trap "ret=143; $do_exit" 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names problematic for 'test' and other utilities. + case $src in + -* | [=\(\)!]) src=./$src;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dst_arg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + dst=$dst_arg + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test "$is_target_a_directory" = never; then + echo "$0: $dst_arg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dst=$dstdir/`basename "$src"` + dstdir_status=0 + else + dstdir=`dirname "$dst"` + test -d "$dstdir" + dstdir_status=$? + fi + fi + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # Create intermediate dirs using mode 755 as modified by the umask. + # This is like FreeBSD 'install' as of 1997-10-28. + umask=`umask` + case $stripcmd.$umask in + # Optimize common cases. + *[2367][2367]) mkdir_umask=$umask;; + .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; + + *[0-7]) + mkdir_umask=`expr $umask + 22 \ + - $umask % 100 % 40 + $umask % 20 \ + - $umask % 10 % 4 + $umask % 2 + `;; + *) mkdir_umask=$umask,go-w;; + esac + + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + case $umask in + *[123567][0-7][0-7]) + # POSIX mkdir -p sets u+wx bits regardless of umask, which + # is incompatible with FreeBSD 'install' when (umask & 300) != 0. + ;; + *) + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 + + if (umask $mkdir_umask && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + ls_ld_tmpdir=`ls -ld "$tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/d" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null + fi + trap '' 0;; + esac;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # The umask is ridiculous, or mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix='/';; + [-=\(\)!]*) prefix='./';; + *) prefix='';; + esac + + oIFS=$IFS + IFS=/ + set -f + set fnord $dstdir + shift + set +f + IFS=$oIFS + + prefixes= + + for d + do + test X"$d" = X && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask=$mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + set +f && + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd -f "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/.build-aux/missing b/.build-aux/missing new file mode 100755 index 0000000..f62bbae --- /dev/null +++ b/.build-aux/missing @@ -0,0 +1,215 @@ +#! /bin/sh +# Common wrapper for a few potentially missing GNU programs. + +scriptversion=2013-10-28.13; # UTC + +# Copyright (C) 1996-2014 Free Software Foundation, Inc. +# Originally written by Fran,cois Pinard , 1996. + +# 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, 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, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +if test $# -eq 0; then + echo 1>&2 "Try '$0 --help' for more information" + exit 1 +fi + +case $1 in + + --is-lightweight) + # Used by our autoconf macros to check whether the available missing + # script is modern enough. + exit 0 + ;; + + --run) + # Back-compat with the calling convention used by older automake. + shift + ;; + + -h|--h|--he|--hel|--help) + echo "\ +$0 [OPTION]... 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Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AC_SUBST([AMTAR], ['$${TAR-tar}']) + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' + +m4_if([$1], [v7], + [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], + + [m4_case([$1], + [ustar], + [# The POSIX 1988 'ustar' format is defined with fixed-size fields. + # There is notably a 21 bits limit for the UID and the GID. In fact, + # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 + # and bug#13588). + am_max_uid=2097151 # 2^21 - 1 + am_max_gid=$am_max_uid + # The $UID and $GID variables are not portable, so we need to resort + # to the POSIX-mandated id(1) utility. Errors in the 'id' calls + # below are definitely unexpected, so allow the users to see them + # (that is, avoid stderr redirection). + am_uid=`id -u || echo unknown` + am_gid=`id -g || echo unknown` + AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) + if test $am_uid -le $am_max_uid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi + AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) + if test $am_gid -le $am_max_gid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi], + + [pax], + [], + + [m4_fatal([Unknown tar format])]) + + AC_MSG_CHECKING([how to create a $1 tar archive]) + + # Go ahead even if we have the value already cached. We do so because we + # need to set the values for the 'am__tar' and 'am__untar' variables. + _am_tools=${am_cv_prog_tar_$1-$_am_tools} + + for _am_tool in $_am_tools; do + case $_am_tool in + gnutar) + for _am_tar in tar gnutar gtar; do + AM_RUN_LOG([$_am_tar --version]) && break + done + am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' + am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' + am__untar="$_am_tar -xf -" + ;; + plaintar) + # Must skip GNU tar: if it does not support --format= it doesn't create + # ustar tarball either. + (tar --version) >/dev/null 2>&1 && continue + am__tar='tar chf - "$$tardir"' + am__tar_='tar chf - "$tardir"' + am__untar='tar xf -' + ;; + pax) + am__tar='pax -L -x $1 -w "$$tardir"' + am__tar_='pax -L -x $1 -w "$tardir"' + am__untar='pax -r' + ;; + cpio) + am__tar='find "$$tardir" -print | cpio -o -H $1 -L' + am__tar_='find "$tardir" -print | cpio -o -H $1 -L' + am__untar='cpio -i -H $1 -d' + ;; + none) + am__tar=false + am__tar_=false + am__untar=false + ;; + esac + + # If the value was cached, stop now. We just wanted to have am__tar + # and am__untar set. + test -n "${am_cv_prog_tar_$1}" && break + + # tar/untar a dummy directory, and stop if the command works. + rm -rf conftest.dir + mkdir conftest.dir + echo GrepMe > conftest.dir/file + AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) + rm -rf conftest.dir + if test -s conftest.tar; then + AM_RUN_LOG([$am__untar /dev/null 2>&1 && break + fi + done + rm -rf conftest.dir + + AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) + AC_MSG_RESULT([$am_cv_prog_tar_$1])]) + +AC_SUBST([am__tar]) +AC_SUBST([am__untar]) +]) # _AM_PROG_TAR + diff --git a/config.h.in b/config.h.in new file mode 100644 index 0000000..bd3409c --- /dev/null +++ b/config.h.in @@ -0,0 +1,57 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDIO_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define to 1 if all of the C90 standard headers exist (not just the ones + required in a freestanding environment). This macro is provided for + backward compatibility; new code need not use it. */ +#undef STDC_HEADERS + +/* Version number of package */ +#undef VERSION diff --git a/configure b/configure new file mode 100755 index 0000000..daeac0c --- /dev/null +++ b/configure @@ -0,0 +1,6043 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.71 for dag_scrubber 0.5. +# +# Report bugs to . +# +# +# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation, +# Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +as_nop=: +if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 +then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else $as_nop + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + + +# Reset variables that may have inherited troublesome values from +# the environment. + +# IFS needs to be set, to space, tab, and newline, in precisely that order. +# (If _AS_PATH_WALK were called with IFS unset, it would have the +# side effect of setting IFS to empty, thus disabling word splitting.) +# Quoting is to prevent editors from complaining about space-tab. +as_nl=' +' +export as_nl +IFS=" "" $as_nl" + +PS1='$ ' +PS2='> ' +PS4='+ ' + +# Ensure predictable behavior from utilities with locale-dependent output. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# We cannot yet rely on "unset" to work, but we need these variables +# to be unset--not just set to an empty or harmless value--now, to +# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh). This construct +# also avoids known problems related to "unset" and subshell syntax +# in other old shells (e.g. bash 2.01 and pdksh 5.2.14). +for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH +do eval test \${$as_var+y} \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done + +# Ensure that fds 0, 1, and 2 are open. +if (exec 3>&0) 2>/dev/null; then :; else exec 0&1) 2>/dev/null; then :; else exec 1>/dev/null; fi +if (exec 3>&2) ; then :; else exec 2>/dev/null; fi + +# The user is always right. +if ${PATH_SEPARATOR+false} :; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + test -r "$as_dir$0" && as_myself=$as_dir$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="as_nop=: +if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 +then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else \$as_nop + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ) +then : + +else \$as_nop + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +blah=\$(echo \$(echo blah)) +test x\"\$blah\" = xblah || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1" + if (eval "$as_required") 2>/dev/null +then : + as_have_required=yes +else $as_nop + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null +then : + +else $as_nop + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null +then : + CONFIG_SHELL=$as_shell as_have_required=yes + if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null +then : + break 2 +fi +fi + done;; + esac + as_found=false +done +IFS=$as_save_IFS +if $as_found +then : + +else $as_nop + if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null +then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi +fi + + + if test "x$CONFIG_SHELL" != x +then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno +then : + printf "%s\n" "$0: This script requires a shell more modern than all" + printf "%s\n" "$0: the shells that I found on your system." + if test ${ZSH_VERSION+y} ; then + printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should" + printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later." + else + printf "%s\n" "$0: Please tell bug-autoconf@gnu.org and yuri@isi.edu about +$0: your system, including any error possibly output before +$0: this message. Then install a modern shell, or manually +$0: run the script under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit +# as_fn_nop +# --------- +# Do nothing but, unlike ":", preserve the value of $?. +as_fn_nop () +{ + return $? +} +as_nop=as_fn_nop + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null +then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else $as_nop + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null +then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else $as_nop + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + +# as_fn_nop +# --------- +# Do nothing but, unlike ":", preserve the value of $?. +as_fn_nop () +{ + return $? +} +as_nop=as_fn_nop + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + printf "%s\n" "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. 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" >&6; } +if eval test \${$3+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +#include <$2> +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + eval "$3=yes" +else $as_nop + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +eval ac_res=\$$3 + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +printf "%s\n" "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_header_compile +ac_configure_args_raw= +for ac_arg +do + case $ac_arg in + *\'*) + ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append ac_configure_args_raw " '$ac_arg'" +done + +case $ac_configure_args_raw in + *$as_nl*) + ac_safe_unquote= ;; + *) + ac_unsafe_z='|&;<>()$`\\"*?[ '' ' # This string ends in space, tab. + ac_unsafe_a="$ac_unsafe_z#~" + ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g" + ac_configure_args_raw=` printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;; +esac + +cat >config.log <<_ACEOF +This file contains any messages produced by compilers while +running configure, to aid debugging if configure makes a mistake. + +It was created by dag_scrubber $as_me 0.5, which was +generated by GNU Autoconf 2.71. Invocation command line was + + $ $0$ac_configure_args_raw + +_ACEOF +exec 5>>config.log +{ +cat <<_ASUNAME +## --------- ## +## Platform. ## +## --------- ## + +hostname = `(hostname || uname -n) 2>/dev/null | sed 1q` +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown` + +/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown` +/usr/bin/hostinfo = `(/usr/bin/hostinfo) 2>/dev/null || echo unknown` +/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown` +/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown` + +_ASUNAME + +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + printf "%s\n" "PATH: $as_dir" + done +IFS=$as_save_IFS + +} >&5 + +cat >&5 <<_ACEOF + + +## ----------- ## +## Core tests. ## +## ----------- ## + +_ACEOF + + +# Keep a trace of the command line. +# Strip out --no-create and --no-recursion so they do not pile up. +# Strip out --silent because we don't want to record it for future runs. +# Also quote any args containing shell meta-characters. +# Make two passes to allow for proper duplicate-argument suppression. +ac_configure_args= +ac_configure_args0= +ac_configure_args1= +ac_must_keep_next=false +for ac_pass in 1 2 +do + for ac_arg + do + case $ac_arg in + -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil) + continue ;; + *\'*) + ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + case $ac_pass in + 1) as_fn_append ac_configure_args0 " '$ac_arg'" ;; + 2) + as_fn_append ac_configure_args1 " '$ac_arg'" + if test $ac_must_keep_next = true; then + ac_must_keep_next=false # Got value, back to normal. + else + case $ac_arg in + *=* | --config-cache | -C | -disable-* | --disable-* \ + | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ + | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ + | -with-* | --with-* | -without-* | --without-* | --x) + case "$ac_configure_args0 " in + "$ac_configure_args1"*" '$ac_arg' "* ) continue ;; + esac + ;; + -* ) ac_must_keep_next=true ;; + esac + fi + as_fn_append ac_configure_args " '$ac_arg'" + ;; + esac + done +done +{ ac_configure_args0=; unset ac_configure_args0;} +{ ac_configure_args1=; unset ac_configure_args1;} + +# When interrupted or exit'd, cleanup temporary files, and complete +# config.log. We remove comments because anyway the quotes in there +# would cause problems or look ugly. +# WARNING: Use '\'' to represent an apostrophe within the trap. +# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug. +trap 'exit_status=$? + # Sanitize IFS. + IFS=" "" $as_nl" + # Save into config.log some information that might help in debugging. + { + echo + + printf "%s\n" "## ---------------- ## +## Cache variables. ## +## ---------------- ##" + echo + # The following way of writing the cache mishandles newlines in values, +( + for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + (set) 2>&1 | + case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + sed -n \ + "s/'\''/'\''\\\\'\'''\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p" + ;; #( + *) + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) + echo + + printf "%s\n" "## ----------------- ## +## Output variables. ## +## ----------------- ##" + echo + for ac_var in $ac_subst_vars + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + printf "%s\n" "$ac_var='\''$ac_val'\''" + done | sort + echo + + if test -n "$ac_subst_files"; then + printf "%s\n" "## ------------------- ## +## File substitutions. ## +## ------------------- ##" + echo + for ac_var in $ac_subst_files + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + printf "%s\n" "$ac_var='\''$ac_val'\''" + done | sort + echo + fi + + if test -s confdefs.h; then + printf "%s\n" "## ----------- ## +## confdefs.h. ## +## ----------- ##" + echo + cat confdefs.h + echo + fi + test "$ac_signal" != 0 && + printf "%s\n" "$as_me: caught signal $ac_signal" + printf "%s\n" "$as_me: exit $exit_status" + } >&5 + rm -f core *.core core.conftest.* && + rm -f -r conftest* confdefs* conf$$* $ac_clean_files && + exit $exit_status +' 0 +for ac_signal in 1 2 13 15; do + trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal +done +ac_signal=0 + +# confdefs.h avoids OS command line length limits that DEFS can exceed. +rm -f -r conftest* confdefs.h + +printf "%s\n" "/* confdefs.h */" > confdefs.h + +# Predefined preprocessor variables. + +printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h + + +# Let the site file select an alternate cache file if it wants to. +# Prefer an explicitly selected file to automatically selected ones. +if test -n "$CONFIG_SITE"; then + ac_site_files="$CONFIG_SITE" +elif test "x$prefix" != xNONE; then + ac_site_files="$prefix/share/config.site $prefix/etc/config.site" +else + ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site" +fi + +for ac_site_file in $ac_site_files +do + case $ac_site_file in #( + */*) : + ;; #( + *) : + ac_site_file=./$ac_site_file ;; +esac + if test -f "$ac_site_file" && test -r "$ac_site_file"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5 +printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;} + sed 's/^/| /' "$ac_site_file" >&5 + . "$ac_site_file" \ + || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "failed to load site script $ac_site_file +See \`config.log' for more details" "$LINENO" 5; } + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special files + # actually), so we avoid doing that. DJGPP emulates it as a regular file. + if test /dev/null != "$cache_file" && test -f "$cache_file"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 +printf "%s\n" "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . "$cache_file";; + *) . "./$cache_file";; + esac + fi +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 +printf "%s\n" "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + +# Test code for whether the C compiler supports C89 (global declarations) +ac_c_conftest_c89_globals=' +/* Does the compiler advertise C89 conformance? + Do not test the value of __STDC__, because some compilers set it to 0 + while being otherwise adequately conformant. */ +#if !defined __STDC__ +# error "Compiler does not advertise C89 conformance" +#endif + +#include +#include +struct stat; +/* Most of the following tests are stolen from RCS 5.7 src/conf.sh. */ +struct buf { int x; }; +struct buf * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not \xHH hex character constants. + These do not provoke an error unfortunately, instead are silently treated + as an "x". The following induces an error, until -std is added to get + proper ANSI mode. Curiously \x00 != x always comes out true, for an + array size at least. It is necessary to write \x00 == 0 to get something + that is true only with -std. */ +int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) '\''x'\'' +int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int), + int, int);' + +# Test code for whether the C compiler supports C89 (body of main). +ac_c_conftest_c89_main=' +ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]); +' + +# Test code for whether the C compiler supports C99 (global declarations) +ac_c_conftest_c99_globals=' +// Does the compiler advertise C99 conformance? +#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L +# error "Compiler does not advertise C99 conformance" +#endif + +#include +extern int puts (const char *); +extern int printf (const char *, ...); +extern int dprintf (int, const char *, ...); +extern void *malloc (size_t); + +// Check varargs macros. These examples are taken from C99 6.10.3.5. +// dprintf is used instead of fprintf to avoid needing to declare +// FILE and stderr. +#define debug(...) dprintf (2, __VA_ARGS__) +#define showlist(...) puts (#__VA_ARGS__) +#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) +static void +test_varargs_macros (void) +{ + int x = 1234; + int y = 5678; + debug ("Flag"); + debug ("X = %d\n", x); + showlist (The first, second, and third items.); + report (x>y, "x is %d but y is %d", x, y); +} + +// Check long long types. +#define BIG64 18446744073709551615ull +#define BIG32 4294967295ul +#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) +#if !BIG_OK + #error "your preprocessor is broken" +#endif +#if BIG_OK +#else + #error "your preprocessor is broken" +#endif +static long long int bignum = -9223372036854775807LL; +static unsigned long long int ubignum = BIG64; + +struct incomplete_array +{ + int datasize; + double data[]; +}; + +struct named_init { + int number; + const wchar_t *name; + double average; +}; + +typedef const char *ccp; + +static inline int +test_restrict (ccp restrict text) +{ + // See if C++-style comments work. + // Iterate through items via the restricted pointer. + // Also check for declarations in for loops. + for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) + continue; + return 0; +} + +// Check varargs and va_copy. +static bool +test_varargs (const char *format, ...) +{ + va_list args; + va_start (args, format); + va_list args_copy; + va_copy (args_copy, args); + + const char *str = ""; + int number = 0; + float fnumber = 0; + + while (*format) + { + switch (*format++) + { + case '\''s'\'': // string + str = va_arg (args_copy, const char *); + break; + case '\''d'\'': // int + number = va_arg (args_copy, int); + break; + case '\''f'\'': // float + fnumber = va_arg (args_copy, double); + break; + default: + break; + } + } + va_end (args_copy); + va_end (args); + + return *str && number && fnumber; +} +' + +# Test code for whether the C compiler supports C99 (body of main). +ac_c_conftest_c99_main=' + // Check bool. + _Bool success = false; + success |= (argc != 0); + + // Check restrict. + if (test_restrict ("String literal") == 0) + success = true; + char *restrict newvar = "Another string"; + + // Check varargs. + success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); + test_varargs_macros (); + + // Check flexible array members. + struct incomplete_array *ia = + malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); + ia->datasize = 10; + for (int i = 0; i < ia->datasize; ++i) + ia->data[i] = i * 1.234; + + // Check named initializers. + struct named_init ni = { + .number = 34, + .name = L"Test wide string", + .average = 543.34343, + }; + + ni.number = 58; + + int dynamic_array[ni.number]; + dynamic_array[0] = argv[0][0]; + dynamic_array[ni.number - 1] = 543; + + // work around unused variable warnings + ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' + || dynamic_array[ni.number - 1] != 543); +' + +# Test code for whether the C compiler supports C11 (global declarations) +ac_c_conftest_c11_globals=' +// Does the compiler advertise C11 conformance? +#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L +# error "Compiler does not advertise C11 conformance" +#endif + +// Check _Alignas. +char _Alignas (double) aligned_as_double; +char _Alignas (0) no_special_alignment; +extern char aligned_as_int; +char _Alignas (0) _Alignas (int) aligned_as_int; + +// Check _Alignof. +enum +{ + int_alignment = _Alignof (int), + int_array_alignment = _Alignof (int[100]), + char_alignment = _Alignof (char) +}; +_Static_assert (0 < -_Alignof (int), "_Alignof is signed"); + +// Check _Noreturn. +int _Noreturn does_not_return (void) { for (;;) continue; } + +// Check _Static_assert. +struct test_static_assert +{ + int x; + _Static_assert (sizeof (int) <= sizeof (long int), + "_Static_assert does not work in struct"); + long int y; +}; + +// Check UTF-8 literals. +#define u8 syntax error! +char const utf8_literal[] = u8"happens to be ASCII" "another string"; + +// Check duplicate typedefs. +typedef long *long_ptr; +typedef long int *long_ptr; +typedef long_ptr long_ptr; + +// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. +struct anonymous +{ + union { + struct { int i; int j; }; + struct { int k; long int l; } w; + }; + int m; +} v1; +' + +# Test code for whether the C compiler supports C11 (body of main). +ac_c_conftest_c11_main=' + _Static_assert ((offsetof (struct anonymous, i) + == offsetof (struct anonymous, w.k)), + "Anonymous union alignment botch"); + v1.i = 2; + v1.w.k = 5; + ok |= v1.i != 5; +' + +# Test code for whether the C compiler supports C11 (complete). +ac_c_conftest_c11_program="${ac_c_conftest_c89_globals} +${ac_c_conftest_c99_globals} +${ac_c_conftest_c11_globals} + +int +main (int argc, char **argv) +{ + int ok = 0; + ${ac_c_conftest_c89_main} + ${ac_c_conftest_c99_main} + ${ac_c_conftest_c11_main} + return ok; +} +" + +# Test code for whether the C compiler supports C99 (complete). +ac_c_conftest_c99_program="${ac_c_conftest_c89_globals} +${ac_c_conftest_c99_globals} + +int +main (int argc, char **argv) +{ + int ok = 0; + ${ac_c_conftest_c89_main} + ${ac_c_conftest_c99_main} + return ok; +} +" + +# Test code for whether the C compiler supports C89 (complete). +ac_c_conftest_c89_program="${ac_c_conftest_c89_globals} + +int +main (int argc, char **argv) +{ + int ok = 0; + ${ac_c_conftest_c89_main} + return ok; +} +" + +as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H" +as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" +as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" +as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" +as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" +as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" +as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" +as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" +as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" + +# Auxiliary files required by this configure script. +ac_aux_files="compile missing install-sh" + +# Locations in which to look for auxiliary files. +ac_aux_dir_candidates="${srcdir}/.build-aux" + +# Search for a directory containing all of the required auxiliary files, +# $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates. +# If we don't find one directory that contains all the files we need, +# we report the set of missing files from the *first* directory in +# $ac_aux_dir_candidates and give up. +ac_missing_aux_files="" +ac_first_candidate=: +printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5 +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in $ac_aux_dir_candidates +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + as_found=: + + printf "%s\n" "$as_me:${as_lineno-$LINENO}: trying $as_dir" >&5 + ac_aux_dir_found=yes + ac_install_sh= + for ac_aux in $ac_aux_files + do + # As a special case, if "install-sh" is required, that requirement + # can be satisfied by any of "install-sh", "install.sh", or "shtool", + # and $ac_install_sh is set appropriately for whichever one is found. + if test x"$ac_aux" = x"install-sh" + then + if test -f "${as_dir}install-sh"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install-sh found" >&5 + ac_install_sh="${as_dir}install-sh -c" + elif test -f "${as_dir}install.sh"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install.sh found" >&5 + ac_install_sh="${as_dir}install.sh -c" + elif test -f "${as_dir}shtool"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}shtool found" >&5 + ac_install_sh="${as_dir}shtool install -c" + else + ac_aux_dir_found=no + if $ac_first_candidate; then + ac_missing_aux_files="${ac_missing_aux_files} install-sh" + else + break + fi + fi + else + if test -f "${as_dir}${ac_aux}"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}${ac_aux} found" >&5 + else + ac_aux_dir_found=no + if $ac_first_candidate; then + ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}" + else + break + fi + fi + fi + done + if test "$ac_aux_dir_found" = yes; then + ac_aux_dir="$as_dir" + break + fi + ac_first_candidate=false + + as_found=false +done +IFS=$as_save_IFS +if $as_found +then : + +else $as_nop + as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 +fi + + +# These three variables are undocumented and unsupported, +# and are intended to be withdrawn in a future Autoconf release. +# They can cause serious problems if a builder's source tree is in a directory +# whose full name contains unusual characters. +if test -f "${ac_aux_dir}config.guess"; then + ac_config_guess="$SHELL ${ac_aux_dir}config.guess" +fi +if test -f "${ac_aux_dir}config.sub"; then + ac_config_sub="$SHELL ${ac_aux_dir}config.sub" +fi +if test -f "$ac_aux_dir/configure"; then + ac_configure="$SHELL ${ac_aux_dir}configure" +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in $ac_precious_vars; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val=\$ac_cv_env_${ac_var}_value + eval ac_new_val=\$ac_env_${ac_var}_value + case $ac_old_set,$ac_new_set in + set,) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + # differences in whitespace do not lead to failure. + ac_old_val_w=`echo x $ac_old_val` + ac_new_val_w=`echo x $ac_new_val` + if test "$ac_old_val_w" != "$ac_new_val_w"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + ac_cache_corrupted=: + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 +printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} + eval $ac_var=\$ac_old_val + fi + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 +printf "%s\n" "$as_me: former value: \`$ac_old_val'" >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 +printf "%s\n" "$as_me: current value: \`$ac_new_val'" >&2;} + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) as_fn_append ac_configure_args " '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 +printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;} + as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file' + and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +RELEASE=${RELEASE:-2} + + + +am__api_version='1.16' + + + + # Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 +printf %s "checking for a BSD-compatible install... " >&6; } +if test -z "$INSTALL"; then +if test ${ac_cv_path_install+y} +then : + printf %s "(cached) " >&6 +else $as_nop + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + # Account for fact that we put trailing slashes in our PATH walk. +case $as_dir in #(( + ./ | /[cC]/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext"; then + if test $ac_prog = install && + grep dspmsg "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir/" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + + done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test ${ac_cv_path_install+y}; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 +printf "%s\n" "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5 +printf %s "checking whether build environment is sane... " >&6; } +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[\\\"\#\$\&\'\`$am_lf]*) + as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;; +esac +case $srcdir in + *[\\\"\#\$\&\'\`$am_lf\ \ ]*) + as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;; +esac + +# Do 'set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + am_has_slept=no + for am_try in 1 2; do + echo "timestamp, slept: $am_has_slept" > conftest.file + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + if test "$*" != "X $srcdir/configure conftest.file" \ + && test "$*" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + as_fn_error $? "ls -t appears to fail. Make sure there is not a broken + alias in your environment" "$LINENO" 5 + fi + if test "$2" = conftest.file || test $am_try -eq 2; then + break + fi + # Just in case. + sleep 1 + am_has_slept=yes + done + test "$2" = conftest.file + ) +then + # Ok. + : +else + as_fn_error $? "newly created file is older than distributed files! +Check your system clock" "$LINENO" 5 +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } +# If we didn't sleep, we still need to ensure time stamps of config.status and +# generated files are strictly newer. +am_sleep_pid= +if grep 'slept: no' conftest.file >/dev/null 2>&1; then + ( sleep 1 ) & + am_sleep_pid=$! +fi + +rm -f conftest.file + +test "$program_prefix" != NONE && + program_transform_name="s&^&$program_prefix&;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s&\$&$program_suffix&;$program_transform_name" +# Double any \ or $. +# By default was `s,x,x', remove it if useless. +ac_script='s/[\\$]/&&/g;s/;s,x,x,$//' +program_transform_name=`printf "%s\n" "$program_transform_name" | sed "$ac_script"` + + +# Expand $ac_aux_dir to an absolute path. +am_aux_dir=`cd "$ac_aux_dir" && pwd` + + + if test x"${MISSING+set}" != xset; then + MISSING="\${SHELL} '$am_aux_dir/missing'" +fi +# Use eval to expand $SHELL +if eval "$MISSING --is-lightweight"; then + am_missing_run="$MISSING " +else + am_missing_run= + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5 +printf "%s\n" "$as_me: WARNING: 'missing' script is too old or missing" >&2;} +fi + +if test x"${install_sh+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi + +# Installed binaries are usually stripped using 'strip' when the user +# run "make install-strip". However 'strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the 'STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_STRIP+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +printf "%s\n" "$STRIP" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_STRIP+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +printf "%s\n" "$ac_ct_STRIP" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a race-free mkdir -p" >&5 +printf %s "checking for a race-free mkdir -p... " >&6; } +if test -z "$MKDIR_P"; then + if test ${ac_cv_path_mkdir+y} +then : + printf %s "(cached) " >&6 +else $as_nop + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_prog in mkdir gmkdir; do + for ac_exec_ext in '' $ac_executable_extensions; do + as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext" || continue + case `"$as_dir$ac_prog$ac_exec_ext" --version 2>&1` in #( + 'mkdir ('*'coreutils) '* | \ + 'BusyBox '* | \ + 'mkdir (fileutils) '4.1*) + ac_cv_path_mkdir=$as_dir$ac_prog$ac_exec_ext + break 3;; + esac + done + done + done +IFS=$as_save_IFS + +fi + + test -d ./--version && rmdir ./--version + if test ${ac_cv_path_mkdir+y}; then + MKDIR_P="$ac_cv_path_mkdir -p" + else + # As a last resort, use the slow shell script. Don't cache a + # value for MKDIR_P within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + MKDIR_P="$ac_install_sh -d" + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5 +printf "%s\n" "$MKDIR_P" >&6; } + +for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_AWK+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_AWK="$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 +printf "%s\n" "$AWK" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$AWK" && break +done + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +printf %s "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; } +set x ${MAKE-make} +ac_make=`printf "%s\n" "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'` +if eval test \${ac_cv_prog_make_${ac_make}_set+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat >conftest.make <<\_ACEOF +SHELL = /bin/sh +all: + @echo '@@@%%%=$(MAKE)=@@@%%%' +_ACEOF +# GNU make sometimes prints "make[1]: Entering ...", which would confuse us. +case `${MAKE-make} -f conftest.make 2>/dev/null` in + *@@@%%%=?*=@@@%%%*) + eval ac_cv_prog_make_${ac_make}_set=yes;; + *) + eval ac_cv_prog_make_${ac_make}_set=no;; +esac +rm -f conftest.make +fi +if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + SET_MAKE= +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + SET_MAKE="MAKE=${MAKE-make}" +fi + +rm -rf .tst 2>/dev/null +mkdir .tst 2>/dev/null +if test -d .tst; then + am__leading_dot=. +else + am__leading_dot=_ +fi +rmdir .tst 2>/dev/null + +# Check whether --enable-silent-rules was given. +if test ${enable_silent_rules+y} +then : + enableval=$enable_silent_rules; +fi + +case $enable_silent_rules in # ((( + yes) AM_DEFAULT_VERBOSITY=0;; + no) AM_DEFAULT_VERBOSITY=1;; + *) AM_DEFAULT_VERBOSITY=1;; +esac +am_make=${MAKE-make} +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5 +printf %s "checking whether $am_make supports nested variables... " >&6; } +if test ${am_cv_make_support_nested_variables+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if printf "%s\n" 'TRUE=$(BAR$(V)) +BAR0=false +BAR1=true +V=1 +am__doit: + @$(TRUE) +.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then + am_cv_make_support_nested_variables=yes +else + am_cv_make_support_nested_variables=no +fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5 +printf "%s\n" "$am_cv_make_support_nested_variables" >&6; } +if test $am_cv_make_support_nested_variables = yes; then + AM_V='$(V)' + AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' +else + AM_V=$AM_DEFAULT_VERBOSITY + AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY +fi +AM_BACKSLASH='\' + +if test "`cd $srcdir && pwd`" != "`pwd`"; then + # Use -I$(srcdir) only when $(srcdir) != ., so that make's output + # is not polluted with repeated "-I." + am__isrc=' -I$(srcdir)' + # test to see if srcdir already configured + if test -f $srcdir/config.status; then + as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5 + fi +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE='dag_scrubber' + VERSION='0.5' + + +printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h + + +printf "%s\n" "#define VERSION \"$VERSION\"" >>confdefs.h + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +# For better backward compatibility. To be removed once Automake 1.9.x +# dies out for good. For more background, see: +# +# +mkdir_p='$(MKDIR_P)' + +# We need awk for the "check" target (and possibly the TAP driver). The +# system "awk" is bad on some platforms. +# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AMTAR='$${TAR-tar}' + + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar pax cpio none' + +am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -' + + + + + +# Variables for tags utilities; see am/tags.am +if test -z "$CTAGS"; then + CTAGS=ctags +fi + +if test -z "$ETAGS"; then + ETAGS=etags +fi + +if test -z "$CSCOPE"; then + CSCOPE=cscope +fi + + + +# POSIX will say in a future version that running "rm -f" with no argument +# is OK; and we want to be able to make that assumption in our Makefile +# recipes. So use an aggressive probe to check that the usage we want is +# actually supported "in the wild" to an acceptable degree. +# See automake bug#10828. +# To make any issue more visible, cause the running configure to be aborted +# by default if the 'rm' program in use doesn't match our expectations; the +# user can still override this though. +if rm -f && rm -fr && rm -rf; then : OK; else + cat >&2 <<'END' +Oops! + +Your 'rm' program seems unable to run without file operands specified +on the command line, even when the '-f' option is present. This is contrary +to the behaviour of most rm programs out there, and not conforming with +the upcoming POSIX standard: + +Please tell bug-automake@gnu.org about your system, including the value +of your $PATH and any error possibly output before this message. This +can help us improve future automake versions. + +END + if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then + echo 'Configuration will proceed anyway, since you have set the' >&2 + echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2 + echo >&2 + else + cat >&2 <<'END' +Aborting the configuration process, to ensure you take notice of the issue. + +You can download and install GNU coreutils to get an 'rm' implementation +that behaves properly: . + +If you want to complete the configuration process using your problematic +'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM +to "yes", and re-run configure. + +END + as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5 + fi +fi + + +ac_config_headers="$ac_config_headers config.h" + + +#checks for programs + + + + + + + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +printf "%s\n" "$ac_ct_CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +printf "%s\n" "$ac_ct_CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args. +set dummy ${ac_tool_prefix}clang; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}clang" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "clang", so it can be a program name with args. +set dummy clang; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="clang" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +printf "%s\n" "$ac_ct_CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +fi + + +test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion -version; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +printf %s "checking whether the C compiler works... " >&6; } +ac_link_default=`printf "%s\n" "$ac_link" | sed 's/ -o *conftest[^ ]*//'` + +# The possible output files: +ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*" + +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { { ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +then : + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else $as_nop + ac_file='' +fi +if test -z "$ac_file" +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +printf "%s\n" "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +printf %s "checking for C compiler default output file name... " >&6; } +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5 +printf "%s\n" "$ac_file" >&6; } +ac_exeext=$ac_cv_exeext + +rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5 +printf %s "checking for suffix of executables... " >&6; } +if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +then : + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else $as_nop + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +printf "%s\n" "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main (void) +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +printf %s "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details" "$LINENO" 5; } + fi + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +printf "%s\n" "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +printf %s "checking for suffix of object files... " >&6; } +if test ${ac_cv_objext+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else $as_nop + printf "%s\n" "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of object files: cannot compile +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +printf "%s\n" "$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5 +printf %s "checking whether the compiler supports GNU C... " >&6; } +if test ${ac_cv_c_compiler_gnu+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_compiler_gnu=yes +else $as_nop + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; } +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+y} +ac_save_CFLAGS=$CFLAGS +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +printf %s "checking whether $CC accepts -g... " >&6; } +if test ${ac_cv_prog_cc_g+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_g=yes +else $as_nop + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + +else $as_nop + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +printf "%s\n" "$ac_cv_prog_cc_g" >&6; } +if test $ac_test_CFLAGS; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +ac_prog_cc_stdc=no +if test x$ac_prog_cc_stdc = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5 +printf %s "checking for $CC option to enable C11 features... " >&6; } +if test ${ac_cv_prog_cc_c11+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_prog_cc_c11=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_c_conftest_c11_program +_ACEOF +for ac_arg in '' -std=gnu11 +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_c11=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + test "x$ac_cv_prog_cc_c11" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC +fi + +if test "x$ac_cv_prog_cc_c11" = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +printf "%s\n" "unsupported" >&6; } +else $as_nop + if test "x$ac_cv_prog_cc_c11" = x +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +printf "%s\n" "none needed" >&6; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5 +printf "%s\n" "$ac_cv_prog_cc_c11" >&6; } + CC="$CC $ac_cv_prog_cc_c11" +fi + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11 + ac_prog_cc_stdc=c11 +fi +fi +if test x$ac_prog_cc_stdc = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5 +printf %s "checking for $CC option to enable C99 features... " >&6; } +if test ${ac_cv_prog_cc_c99+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_prog_cc_c99=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_c_conftest_c99_program +_ACEOF +for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99= +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_c99=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + test "x$ac_cv_prog_cc_c99" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC +fi + +if test "x$ac_cv_prog_cc_c99" = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +printf "%s\n" "unsupported" >&6; } +else $as_nop + if test "x$ac_cv_prog_cc_c99" = x +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +printf "%s\n" "none needed" >&6; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5 +printf "%s\n" "$ac_cv_prog_cc_c99" >&6; } + CC="$CC $ac_cv_prog_cc_c99" +fi + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99 + ac_prog_cc_stdc=c99 +fi +fi +if test x$ac_prog_cc_stdc = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5 +printf %s "checking for $CC option to enable C89 features... " >&6; } +if test ${ac_cv_prog_cc_c89+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_c_conftest_c89_program +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC +fi + +if test "x$ac_cv_prog_cc_c89" = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +printf "%s\n" "unsupported" >&6; } +else $as_nop + if test "x$ac_cv_prog_cc_c89" = x +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +printf "%s\n" "none needed" >&6; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +printf "%s\n" "$ac_cv_prog_cc_c89" >&6; } + CC="$CC $ac_cv_prog_cc_c89" +fi + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89 + ac_prog_cc_stdc=c89 +fi +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5 +printf %s "checking whether $CC understands -c and -o together... " >&6; } +if test ${am_cv_prog_cc_c_o+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF + # Make sure it works both with $CC and with simple cc. + # Following AC_PROG_CC_C_O, we do the test twice because some + # compilers refuse to overwrite an existing .o file with -o, + # though they will create one. + am_cv_prog_cc_c_o=yes + for am_i in 1 2; do + if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5 + ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } \ + && test -f conftest2.$ac_objext; then + : OK + else + am_cv_prog_cc_c_o=no + break + fi + done + rm -f core conftest* + unset am_i +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5 +printf "%s\n" "$am_cv_prog_cc_c_o" >&6; } +if test "$am_cv_prog_cc_c_o" != yes; then + # Losing compiler, so override with the script. + # FIXME: It is wrong to rewrite CC. + # But if we don't then we get into trouble of one sort or another. + # A longer-term fix would be to have automake use am__CC in this case, + # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" + CC="$am_aux_dir/compile $CC" +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +DEPDIR="${am__leading_dot}deps" + +ac_config_commands="$ac_config_commands depfiles" + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} supports the include directive" >&5 +printf %s "checking whether ${MAKE-make} supports the include directive... " >&6; } +cat > confinc.mk << 'END' +am__doit: + @echo this is the am__doit target >confinc.out +.PHONY: am__doit +END +am__include="#" +am__quote= +# BSD make does it like this. +echo '.include "confinc.mk" # ignored' > confmf.BSD +# Other make implementations (GNU, Solaris 10, AIX) do it like this. +echo 'include confinc.mk # ignored' > confmf.GNU +_am_result=no +for s in GNU BSD; do + { echo "$as_me:$LINENO: ${MAKE-make} -f confmf.$s && cat confinc.out" >&5 + (${MAKE-make} -f confmf.$s && cat confinc.out) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } + case $?:`cat confinc.out 2>/dev/null` in #( + '0:this is the am__doit target') : + case $s in #( + BSD) : + am__include='.include' am__quote='"' ;; #( + *) : + am__include='include' am__quote='' ;; +esac ;; #( + *) : + ;; +esac + if test "$am__include" != "#"; then + _am_result="yes ($s style)" + break + fi +done +rm -f confinc.* confmf.* +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${_am_result}" >&5 +printf "%s\n" "${_am_result}" >&6; } + +# Check whether --enable-dependency-tracking was given. +if test ${enable_dependency_tracking+y} +then : + enableval=$enable_dependency_tracking; +fi + +if test "x$enable_dependency_tracking" != xno; then + am_depcomp="$ac_aux_dir/depcomp" + AMDEPBACKSLASH='\' + am__nodep='_no' +fi + if test "x$enable_dependency_tracking" != xno; then + AMDEP_TRUE= + AMDEP_FALSE='#' +else + AMDEP_TRUE='#' + AMDEP_FALSE= +fi + + + +depcc="$CC" am_compiler_list= + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 +printf %s "checking dependency style of $depcc... " >&6; } +if test ${am_cv_CC_dependencies_compiler_type+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named 'D' -- because '-MD' means "put the output + # in D". + rm -rf conftest.dir + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + am__universal=false + case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with + # Solaris 10 /bin/sh. + echo '/* dummy */' > sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with '-c' and '-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle '-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs. + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # After this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested. + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvc7 | msvc7msys | msvisualcpp | msvcmsys) + # This compiler won't grok '-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 +printf "%s\n" "$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + + +#AC_PROG_MKDIR_P +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +printf %s "checking whether ln -s works... " >&6; } +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +printf "%s\n" "no, using $LN_S" >&6; } +fi + +#AC_PROG_SED +for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_AWK+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_AWK="$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 +printf "%s\n" "$AWK" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$AWK" && break +done + + + +#check for libraries +found_pcap= + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pcap_open_offline in -lpcap" >&5 +printf %s "checking for pcap_open_offline in -lpcap... " >&6; } +if test ${ac_cv_lib_pcap_pcap_open_offline+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lpcap $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char pcap_open_offline (); +int +main (void) +{ +return pcap_open_offline (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_pcap_pcap_open_offline=yes +else $as_nop + ac_cv_lib_pcap_pcap_open_offline=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pcap_pcap_open_offline" >&5 +printf "%s\n" "$ac_cv_lib_pcap_pcap_open_offline" >&6; } +if test "x$ac_cv_lib_pcap_pcap_open_offline" = xyes +then : + #restore libs + LIBS=$ac_check_lib_save_LIBS + found_pcap=yes + +fi + +found_ssl= + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for BF_ecb_encrypt in -lcrypto" >&5 +printf %s "checking for BF_ecb_encrypt in -lcrypto... " >&6; } +if test ${ac_cv_lib_crypto_BF_ecb_encrypt+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lcrypto $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char BF_ecb_encrypt (); +int +main (void) +{ +return BF_ecb_encrypt (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_crypto_BF_ecb_encrypt=yes +else $as_nop + ac_cv_lib_crypto_BF_ecb_encrypt=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_BF_ecb_encrypt" >&5 +printf "%s\n" "$ac_cv_lib_crypto_BF_ecb_encrypt" >&6; } +if test "x$ac_cv_lib_crypto_BF_ecb_encrypt" = xyes +then : + #restore libs + LIBS=$ac_check_lib_save_LIBS + found_ssl=yes + +fi + +#check for headers +if test -n "$found_ssl"; then + ac_header= ac_cache= +for ac_item in $ac_header_c_list +do + if test $ac_cache; then + ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default" + if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then + printf "%s\n" "#define $ac_item 1" >> confdefs.h + fi + ac_header= ac_cache= + elif test $ac_header; then + ac_cache=$ac_item + else + ac_header=$ac_item + fi +done + + + + + + + + +if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes +then : + +printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h + +fi +ac_fn_c_check_header_compile "$LINENO" "openssl/md5.h" "ac_cv_header_openssl_md5_h" "$ac_includes_default" +if test "x$ac_cv_header_openssl_md5_h" = xyes +then : + +else $as_nop + found_ssl= +fi + +fi +if test -n "$found_ssl"; then + ac_fn_c_check_header_compile "$LINENO" "openssl/blowfish.h" "ac_cv_header_openssl_blowfish_h" "$ac_includes_default" +if test "x$ac_cv_header_openssl_blowfish_h" = xyes +then : + +else $as_nop + found_ssl= +fi + +fi +if test -n "$found_ssl"; then + ac_fn_c_check_header_compile "$LINENO" "openssl/sha.h" "ac_cv_header_openssl_sha_h" "$ac_includes_default" +if test "x$ac_cv_header_openssl_sha_h" = xyes +then : + +else $as_nop + found_ssl= +fi + +fi +if test -n "$found_pcap"; then + ac_fn_c_check_header_compile "$LINENO" "pcap.h" "ac_cv_header_pcap_h" "$ac_includes_default" +if test "x$ac_cv_header_pcap_h" = xyes +then : + +else $as_nop + found_pcap= +fi + +fi +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +printf "%s\n" "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + + + +ac_config_files="$ac_config_files Makefile dag_scrubber.spec" + + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +printf "%s\n" "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`printf "%s\n" "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5 +printf %s "checking that generated files are newer than configure... " >&6; } + if test -n "$am_sleep_pid"; then + # Hide warnings about reused PIDs. + wait $am_sleep_pid 2>/dev/null + fi + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: done" >&5 +printf "%s\n" "done" >&6; } + if test -n "$EXEEXT"; then + am__EXEEXT_TRUE= + am__EXEEXT_FALSE='#' +else + am__EXEEXT_TRUE='#' + am__EXEEXT_FALSE= +fi + +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + as_fn_error $? "conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + as_fn_error $? "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +as_nop=: +if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 +then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else $as_nop + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + + +# Reset variables that may have inherited troublesome values from +# the environment. + +# IFS needs to be set, to space, tab, and newline, in precisely that order. +# (If _AS_PATH_WALK were called with IFS unset, it would have the +# side effect of setting IFS to empty, thus disabling word splitting.) +# Quoting is to prevent editors from complaining about space-tab. +as_nl=' +' +export as_nl +IFS=" "" $as_nl" + +PS1='$ ' +PS2='> ' +PS4='+ ' + +# Ensure predictable behavior from utilities with locale-dependent output. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# We cannot yet rely on "unset" to work, but we need these variables +# to be unset--not just set to an empty or harmless value--now, to +# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh). This construct +# also avoids known problems related to "unset" and subshell syntax +# in other old shells (e.g. bash 2.01 and pdksh 5.2.14). +for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH +do eval test \${$as_var+y} \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done + +# Ensure that fds 0, 1, and 2 are open. +if (exec 3>&0) 2>/dev/null; then :; else exec 0&1) 2>/dev/null; then :; else exec 1>/dev/null; fi +if (exec 3>&2) ; then :; else exec 2>/dev/null; fi + +# The user is always right. +if ${PATH_SEPARATOR+false} :; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + test -r "$as_dir$0" && as_myself=$as_dir$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + printf "%s\n" "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null +then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else $as_nop + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. 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New code should use +# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively. +as_echo='printf %s\n' +as_echo_n='printf %s' + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by dag_scrubber $as_me 0.5, which was +generated by GNU Autoconf 2.71. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Configuration commands: +$config_commands + +Report bugs to ." + +_ACEOF +ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"` +ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"` +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config='$ac_cs_config_escaped' +ac_cs_version="\\ +dag_scrubber config.status 0.5 +configured by $0, generated by GNU Autoconf 2.71, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2021 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +MKDIR_P='$MKDIR_P' +AWK='$AWK' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + printf "%s\n" "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + printf "%s\n" "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + printf "%s\n" "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + printf "%s\n" "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# +AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + "dag_scrubber.spec") CONFIG_FILES="$CONFIG_FILES dag_scrubber.spec" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test ${CONFIG_FILES+y} || CONFIG_FILES=$config_files + test ${CONFIG_HEADERS+y} || CONFIG_HEADERS=$config_headers + test ${CONFIG_COMMANDS+y} || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' >$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;; + :[FH]-) ac_tag=-:-;; + :[FH]*) ac_tag=$ac_tag:$ac_tag.in;; + esac + ac_save_IFS=$IFS + IFS=: + set x $ac_tag + IFS=$ac_save_IFS + shift + ac_file=$1 + shift + + case $ac_mode in + :L) ac_source=$1;; + :[FH]) + ac_file_inputs= + for ac_f + do + case $ac_f in + -) ac_f="$ac_tmp/stdin";; + *) # Look for the file first in the build tree, then in the source tree + # (if the path is not absolute). The absolute path cannot be DOS-style, + # because $ac_f cannot contain `:'. + test -f "$ac_f" || + case $ac_f in + [\\/$]*) false;; + *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";; + esac || + as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;; + esac + case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac + as_fn_append ac_file_inputs " '$ac_f'" + done + + # Let's still pretend it is `configure' which instantiates (i.e., don't + # use $as_me), people would be surprised to read: + # /* config.h. Generated by config.status. */ + configure_input='Generated from '` + printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g' + `' by configure.' + if test x"$ac_file" != x-; then + configure_input="$ac_file. $configure_input" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5 +printf "%s\n" "$as_me: creating $ac_file" >&6;} + fi + # Neutralize special characters interpreted by sed in replacement strings. + case $configure_input in #( + *\&* | *\|* | *\\* ) + ac_sed_conf_input=`printf "%s\n" "$configure_input" | + sed 's/[\\\\&|]/\\\\&/g'`;; #( + *) ac_sed_conf_input=$configure_input;; + esac + + case $ac_tag in + *:-:* | *:-) cat >"$ac_tmp/stdin" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;; + esac + ;; + esac + + ac_dir=`$as_dirname -- "$ac_file" || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir="$ac_dir"; as_fn_mkdir_p + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + + case $ac_mode in + :F) + # + # CONFIG_FILE + # + + case $INSTALL in + [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;; + *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;; + esac + ac_MKDIR_P=$MKDIR_P + case $MKDIR_P in + [\\/$]* | ?:[\\/]* ) ;; + */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;; + esac +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# If the template does not know about datarootdir, expand it. +# FIXME: This hack should be removed a few years after 2.60. +ac_datarootdir_hack=; ac_datarootdir_seen= +ac_sed_dataroot=' +/datarootdir/ { + p + q +} +/@datadir@/p +/@docdir@/p +/@infodir@/p +/@localedir@/p +/@mandir@/p' +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in +*datarootdir*) ac_datarootdir_seen=yes;; +*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 +printf "%s\n" "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + ac_datarootdir_hack=' + s&@datadir@&$datadir&g + s&@docdir@&$docdir&g + s&@infodir@&$infodir&g + s&@localedir@&$localedir&g + s&@mandir@&$mandir&g + s&\\\${datarootdir}&$datarootdir&g' ;; +esac +_ACEOF + +# Neutralize VPATH when `$srcdir' = `.'. +# Shell code in configure.ac might set extrasub. +# FIXME: do we really want to maintain this feature? +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_sed_extra="$ac_vpsub +$extrasub +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +:t +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b +s|@configure_input@|$ac_sed_conf_input|;t t +s&@top_builddir@&$ac_top_builddir_sub&;t t +s&@top_build_prefix@&$ac_top_build_prefix&;t t +s&@srcdir@&$ac_srcdir&;t t +s&@abs_srcdir@&$ac_abs_srcdir&;t t +s&@top_srcdir@&$ac_top_srcdir&;t t +s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t +s&@builddir@&$ac_builddir&;t t +s&@abs_builddir@&$ac_abs_builddir&;t t +s&@abs_top_builddir@&$ac_abs_top_builddir&;t t +s&@INSTALL@&$ac_INSTALL&;t t +s&@MKDIR_P@&$ac_MKDIR_P&;t t +$ac_datarootdir_hack +" +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \ + >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + +test -z "$ac_datarootdir_hack$ac_datarootdir_seen" && + { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } && + { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' \ + "$ac_tmp/out"`; test -z "$ac_out"; } && + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&5 +printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&2;} + + rm -f "$ac_tmp/stdin" + case $ac_file in + -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";; + *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";; + esac \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + ;; + :H) + # + # CONFIG_HEADER + # + if test x"$ac_file" != x-; then + { + printf "%s\n" "/* $configure_input */" >&1 \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" + } >"$ac_tmp/config.h" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5 +printf "%s\n" "$as_me: $ac_file is unchanged" >&6;} + else + rm -f "$ac_file" + mv "$ac_tmp/config.h" "$ac_file" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + fi + else + printf "%s\n" "/* $configure_input */" >&1 \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \ + || as_fn_error $? "could not create -" "$LINENO" 5 + fi +# Compute "$ac_file"'s index in $config_headers. +_am_arg="$ac_file" +_am_stamp_count=1 +for _am_header in $config_headers :; do + case $_am_header in + $_am_arg | $_am_arg:* ) + break ;; + * ) + _am_stamp_count=`expr $_am_stamp_count + 1` ;; + esac +done +echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" || +$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$_am_arg" : 'X\(//\)[^/]' \| \ + X"$_am_arg" : 'X\(//\)$' \| \ + X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$_am_arg" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'`/stamp-h$_am_stamp_count + ;; + + :C) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5 +printf "%s\n" "$as_me: executing $ac_file commands" >&6;} + ;; + esac + + + case $ac_file$ac_mode in + "depfiles":C) test x"$AMDEP_TRUE" != x"" || { + # Older Autoconf quotes --file arguments for eval, but not when files + # are listed without --file. Let's play safe and only enable the eval + # if we detect the quoting. + # TODO: see whether this extra hack can be removed once we start + # requiring Autoconf 2.70 or later. + case $CONFIG_FILES in #( + *\'*) : + eval set x "$CONFIG_FILES" ;; #( + *) : + set x $CONFIG_FILES ;; #( + *) : + ;; +esac + shift + # Used to flag and report bootstrapping failures. + am_rc=0 + for am_mf + do + # Strip MF so we end up with the name of the file. + am_mf=`printf "%s\n" "$am_mf" | sed -e 's/:.*$//'` + # Check whether this is an Automake generated Makefile which includes + # dependency-tracking related rules and includes. + # Grep'ing the whole file directly is not great: AIX grep has a line + # limit of 2048, but all sed's we know have understand at least 4000. + sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \ + || continue + am_dirpart=`$as_dirname -- "$am_mf" || +$as_expr X"$am_mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$am_mf" : 'X\(//\)[^/]' \| \ + X"$am_mf" : 'X\(//\)$' \| \ + X"$am_mf" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$am_mf" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + am_filepart=`$as_basename -- "$am_mf" || +$as_expr X/"$am_mf" : '.*/\([^/][^/]*\)/*$' \| \ + X"$am_mf" : 'X\(//\)$' \| \ + X"$am_mf" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X/"$am_mf" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + { echo "$as_me:$LINENO: cd "$am_dirpart" \ + && sed -e '/# am--include-marker/d' "$am_filepart" \ + | $MAKE -f - am--depfiles" >&5 + (cd "$am_dirpart" \ + && sed -e '/# am--include-marker/d' "$am_filepart" \ + | $MAKE -f - am--depfiles) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } || am_rc=$? + done + if test $am_rc -ne 0; then + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "Something went wrong bootstrapping makefile fragments + for automatic dependency tracking. If GNU make was not used, consider + re-running the configure script with MAKE=\"gmake\" (or whatever is + necessary). You can also try re-running configure with the + '--disable-dependency-tracking' option to at least be able to build + the package (albeit without support for automatic dependency tracking). +See \`config.log' for more details" "$LINENO" 5; } + fi + { am_dirpart=; unset am_dirpart;} + { am_filepart=; unset am_filepart;} + { am_mf=; unset am_mf;} + { am_rc=; unset am_rc;} + rm -f conftest-deps.mk +} + ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + + +if test -z "$found_ssl" -o -z "$found_pcap"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: --------------------------------------------------" >&5 +printf "%s\n" "$as_me: WARNING: --------------------------------------------------" >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Some scrubber components were not found: " >&5 +printf "%s\n" "$as_me: WARNING: Some scrubber components were not found: " >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: " >&5 +printf "%s\n" "$as_me: WARNING: " >&2;} + test -z "$found_ssl" && { + as_fn_error $? " Could not find libssl " "$LINENO" 5 + } + test -z "$found_pcap" && { + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Could not find libpcap " >&5 +printf "%s\n" "$as_me: WARNING: Could not find libpcap " >&2;} + } + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: " >&5 +printf "%s\n" "$as_me: WARNING: " >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: --------------------------------------------------" >&5 +printf "%s\n" "$as_me: WARNING: --------------------------------------------------" >&2;} +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: ------------------------------------------------" >&5 +printf "%s\n" "$as_me: ------------------------------------------------" >&6;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: No errors, everything seems to be in place " >&5 +printf "%s\n" "$as_me: No errors, everything seems to be in place " >&6;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: ------------------------------------------------" >&5 +printf "%s\n" "$as_me: ------------------------------------------------" >&6;} +fi + + diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..2155474 --- /dev/null +++ b/configure.ac @@ -0,0 +1,75 @@ +#Autoconfigure for lander +#$Id$ +AC_INIT([dag_scrubber], [0.5], [yuri@isi.edu]) +AC_SUBST(RELEASE, [${RELEASE:-2}]) + +AC_CONFIG_AUX_DIR(.build-aux) +AM_INIT_AUTOMAKE([-Wall -Wno-portability -Werror foreign]) + +AC_CONFIG_HEADERS([config.h]) + +#checks for programs +AC_PROG_CC +AC_PROG_INSTALL +#AC_PROG_MKDIR_P +AC_PROG_LN_S +#AC_PROG_SED +AC_PROG_AWK + + +#check for libraries +found_pcap= +AC_CHECK_LIB([pcap], [pcap_open_offline], + [#restore libs + LIBS=$ac_check_lib_save_LIBS + found_pcap=yes + ]) +found_ssl= + +AC_CHECK_LIB([crypto], [BF_ecb_encrypt], + [#restore libs + LIBS=$ac_check_lib_save_LIBS + found_ssl=yes + ]) +#check for headers +if test -n "$found_ssl"; then + AC_CHECK_HEADER([openssl/md5.h],,[found_ssl=]) +fi +if test -n "$found_ssl"; then + AC_CHECK_HEADER([openssl/blowfish.h],,[found_ssl=]) +fi +if test -n "$found_ssl"; then + AC_CHECK_HEADER([openssl/sha.h],,[found_ssl=]) +fi +if test -n "$found_pcap"; then + AC_CHECK_HEADER([pcap.h],, [found_pcap=]) +fi +AC_CACHE_SAVE + + + +AC_CONFIG_FILES([ + Makefile + dag_scrubber.spec + ]) + +AC_OUTPUT + +if test -z "$found_ssl" -o -z "$found_pcap"; then + AC_MSG_WARN([--------------------------------------------------]) + AC_MSG_WARN([Some scrubber components were not found: ]) + AC_MSG_WARN([]) + test -z "$found_ssl" && { + AC_MSG_ERROR([ Could not find libssl ]) + } + test -z "$found_pcap" && { + AC_MSG_WARN([ Could not find libpcap ]) + } + AC_MSG_WARN([]) + AC_MSG_WARN([--------------------------------------------------]) +else + AC_MSG_NOTICE([------------------------------------------------]) + AC_MSG_NOTICE([No errors, everything seems to be in place ]) + AC_MSG_NOTICE([------------------------------------------------]) +fi + diff --git a/cryptopANT.c b/cryptopANT.c new file mode 100644 index 0000000..0ef0092 --- /dev/null +++ b/cryptopANT.c @@ -0,0 +1,669 @@ +/* -*- Mode:C; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */ +/* + * Copyright (C) 2004-2018 by the University of Southern California + * $Id: 35e089a7da2122012654b19832826c3224f1f2dc $ + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * 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., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + */ + +// #ifndef lint +// static const char rcsid[] = +// "@(#) $Id: 35e089a7da2122012654b19832826c3224f1f2dc $"; +// #endif + +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "cryptopANT.h" + +#define MAX_BLK_LENGTH 32 +#define CACHE_BITS 24 /* How many bits of IPv4 we cache, cannot be zero */ +#define BF_KEYLEN 16 /* bytes */ + +#define TEST_CACHE 0 + +#define RESET_ETHER_MCAST(p) (*(char*)(p) &= 0xfe) + +#ifndef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#endif + +#ifdef HAVE__U6_ADDR32 +#define s6_addr32 __u6_addr.__u6_addr32 +#endif + +//determined by autoconf +#ifdef WORDS_BIGENDIAN +//sigh, older version of the code was not byte-order safe; this is needed +//to ensure backward compatibility AND compatibility with BE-systems. +#include +#define cryptopant_swap32(x) bswap_32(x) +#else +#define cryptopant_swap32(x) (x) +#endif + +typedef struct ipv4_hash_blk_ { + uint32_t ip4; + uint8_t pad[MAX_BLK_LENGTH - sizeof(uint32_t)]; +} ipv4_hash_blk_t; + +typedef struct ipv6_hash_blk_ { + struct in6_addr ip6; + uint8_t pad[MAX_BLK_LENGTH - sizeof(struct in6_addr)]; +} ipv6_hash_blk_t; + + +uint8_t scramble_ether_addr[ETHER_ADDR_LEN]; +uint16_t scramble_ether_vlan; +int scramble_mac; + +static int readhexstring (FILE *, u_char *, int *); + +static uint32_t ip4cache[1<c4 = (scramble_crypt_t)c4; + if (readhexstring(f, (u_char*)&c6, &l6) != 0) { + fprintf(stderr, "scramble_readstate(): error reading c6"); + fclose(f); + return -1; + } + assert(l6 == 1); + s->c6 = (scramble_crypt_t)c6; + if (readhexstring(f, s->key, &s->klen) != 0) { + fprintf(stderr, "scramble_readstate(): error reading key"); + fclose(f); + return -1; + } + if (readhexstring(f, s->pad, &s->plen) != 0) { + fprintf(stderr, "scramble_readstate(): error reading pad"); + fclose(f); + return -1; + } + if (readhexstring(f, s->mac, &s->mlen) != 0) { + fprintf(stderr, "scramble_readstate(): error reading mac"); + fclose(f); + return -1; + } + if (readhexstring(f, s->iv, &s->ivlen) != 0) { + fprintf(stderr, "scramble_readstate(): error reading iv"); + fclose(f); + return -1; + } + fclose(f); + return 0; +} + +int +scramble_savestate(const char *fn, const scramble_state_t *s) +{ + int i; + /* set restrictive mode */ + int fd = creat(fn, S_IRUSR|S_IWUSR); + if (fd < 0) { + perror("scramble_savestate(): open"); + return -1; + } + FILE *f = fdopen(fd, "w"); + if (f == NULL) { + perror("scramble_savestate(): fopen"); + return -1; + } + if (fprintf(f, "%02x:%02x:", (unsigned)s->c4, (unsigned)s->c6) < 0) { + perror("scramble_savestate(): error saving cryptos"); + fclose(f); + return -1; + } + for (i = 0; i < s->klen; ++i) { + if (fprintf(f, "%02x", s->key[i]) < 0) { + perror("scramble_savestate(): error saving key"); + fclose(f); + return -1; + } + } + fprintf(f, ":"); + for (i = 0; i < s->plen; ++i) { + if (fprintf(f, "%02x", s->pad[i]) < 0) { + perror("scramble_savestate(): error saving pad"); + fclose(f); + return -1; + } + } + fprintf(f, ":"); + for (i = 0; i < s->mlen; ++i) { + if (fprintf(f, "%02x", s->mac[i]) < 0) { + perror("scramble_savestate(): error saving mac"); + fclose(f); + return -1; + } + } + + fprintf(f, ":"); + for (i = 0; i < s->ivlen; ++i) { + if (fprintf(f, "%02x", s->iv[i]) < 0) { + perror("scramble_savestate(): error saving lv"); + fclose(f); + return -1; + } + } + fprintf(f, "\n"); + fclose(f); + return 0; +} + +int +scramble_init(const scramble_state_t *s) +{ + + int plen; + if (s->plen > MAX_BLK_LENGTH) + plen = MAX_BLK_LENGTH; + else + plen = s->plen; + + scramble_crypto4 = s->c4; + scramble_crypto6 = s->c6; + + memcpy(&b4_in, s->pad, plen); + ip4pad = cryptopant_swap32(b4_in.ip4); + + memcpy(&b6_in, s->pad, s->plen); + ip6pad[0] = b6_in.ip6.s6_addr32[0]; + ip6pad[1] = b6_in.ip6.s6_addr32[1]; + ip6pad[2] = b6_in.ip6.s6_addr32[2]; + ip6pad[3] = b6_in.ip6.s6_addr32[3]; + + if (s->c4 == SCRAMBLE_BLOWFISH || s->c6 == SCRAMBLE_BLOWFISH) { + BF_set_key(&scramble_key.bfkey, s->klen, s->key); + } + if (s->c4 == SCRAMBLE_AES || s->c6 == SCRAMBLE_AES) { + AES_set_encrypt_key(s->key, s->klen*8, &scramble_key.aeskey); + } + + scramble_mac = 0; + + memcpy(scramble_mac_buf, s->mac, s->mlen); + + if (s->mlen > 0) { + scramble_mac = 1; + if (s->mlen < ETHER_ADDR_LEN + ETHER_VLAN_LEN) { + fprintf(stderr, + "scramble_init(): mac string is too short (%d)\n", + s->mlen); + return -1; + } + } + memcpy(scramble_ether_addr, scramble_mac_buf, ETHER_ADDR_LEN); + + /* we don't want to map ether unicast to multicast and visa versa */ + RESET_ETHER_MCAST(scramble_ether_addr); + + memcpy(&scramble_ether_vlan, scramble_mac_buf + ETHER_ADDR_LEN, ETHER_VLAN_LEN); + return 0; +} + +/* init everything from file, if it doesn't exist, create it */ +int +scramble_init_from_file(const char *fn, scramble_crypt_t c4, scramble_crypt_t c6, int *do_mac) +{ + u_char pad[MAX_BLK_LENGTH]; + u_char key[MAX_BLK_LENGTH]; + u_char mac[MAX_BLK_LENGTH]; + u_char iv[MAX_BLK_LENGTH]; + + scramble_state_t s; + FILE *f; + + s.pad = pad; + s.key = key; + s.mac = mac; + s.iv = iv; + if ((f = fopen(fn, "r")) == NULL) { + if (errno != ENOENT) { + perror("scamble_init_file(): fopen"); + return -1; + } + if (c4 == SCRAMBLE_NONE || c6 == SCRAMBLE_NONE) + return -1; + + /* file doesn't exist, create it */ + s.c4 = c4; + s.c6 = c6; + s.plen = MAX_BLK_LENGTH; + s.klen = 16; /* XXX */ + s.ivlen = 16; + + if (scramble_newpad(pad, s.plen) < 0) + return -1; + if (scramble_newkey(key, s.klen) < 0) + return -1; + if (scramble_newiv(iv, s.ivlen) < 0) + return -1; + if (do_mac && *do_mac) { + s.mlen = ETHER_ADDR_LEN + ETHER_VLAN_LEN; + if (scramble_newmac(mac, s.mlen) < 0) + return -1; + } else + s.mlen = 0; + if (scramble_savestate(fn, &s) < 0) + return -1; + } else { + fclose(f); + s.plen = MAX_BLK_LENGTH; + s.klen = MAX_BLK_LENGTH; + s.mlen = MAX_BLK_LENGTH; + s.ivlen = MAX_BLK_LENGTH; + if (scramble_readstate(fn, &s) < 0) + return -1; + if (do_mac) + *do_mac = (s.mlen > 0); + } + + if (scramble_init(&s) < 0) + return -1; + return 0; +} + +/* scramble IPv4 addresses, input and output are in network byte order */ +uint32_t +scramble_ip4(uint32_t input, int pass_bits) { + uint32_t output = 0; + uint32_t m = 0xffffffff << 1; + int i = 31; + int class_bits = 0; + int pbits = 0; +#define MAX_CLASS_BITS 4 + static int _class_bits[1<> (32 - CACHE_BITS)); + + assert(pass_bits >= 0 && pass_bits < 33); + + ++ipv4_anon_calls; + + b4_in.ip4 = input; + + class_bits = _class_bits[input >> (32-MAX_CLASS_BITS)]; + + // check cache first + output = *cp; + if (output != 0) { + output <<= (32 - CACHE_BITS); + if (class_bits < CACHE_BITS) + class_bits = CACHE_BITS; + ++ipv4_cache_hits; + } + + pbits = MAX(pass_bits, class_bits); + + for (i = 31; i > pbits - 1; --i) { + /* pass through 'i' highest bits of ip4 */ + b4_in.ip4 &= m; + /* the following could be: + * b4_in.ip4 |= (ip4pad & ~m); */ + b4_in.ip4 |= (ip4pad >> i); + b4_in.ip4 = cryptopant_swap32(b4_in.ip4); + switch (scramble_crypto4) { + case SCRAMBLE_MD5: + MD5((u_char*)&b4_in, MD5_DIGEST_LENGTH, (u_char*)&b4_out); + break; + case SCRAMBLE_BLOWFISH: + BF_ecb_encrypt((u_char*)&b4_in, (u_char*)&b4_out, &scramble_key.bfkey, BF_ENCRYPT); + break; + case SCRAMBLE_AES: + AES_ecb_encrypt((u_char*)&b4_in, (u_char*)&b4_out, &scramble_key.aeskey, AES_ENCRYPT); + break; + case SCRAMBLE_SHA1: + SHA1((u_char*)&b4_in, SHA_DIGEST_LENGTH, (u_char*)&b4_out); + break; + default: + abort(); + } + output |= (( *((u_char*)&b4_out.ip4) & 1) << (31 - i)); + b4_in.ip4 = cryptopant_swap32(b4_in.ip4); + m <<= 1; + } + + /* output == 0 is OK, means pass address unchanged */ + + *cp = (output >> (32 - CACHE_BITS)); + + return htonl(output ^ input); +} + +/* scramble ipv6 address in place, in network byte order */ +void +scramble_ip6(struct in6_addr *input, int pass_bits) +{ + struct in6_addr output; + int i, w; + int pbits = pass_bits; + + ++ipv6_anon_calls; + b6_in.ip6.s6_addr32[0] = ip6pad[0]; /* XXX this one not needed */ + b6_in.ip6.s6_addr32[1] = ip6pad[1]; + b6_in.ip6.s6_addr32[2] = ip6pad[2]; + b6_in.ip6.s6_addr32[3] = ip6pad[3]; + + for (w = 0; w < 4; ++w) { + uint32_t m = 0xffffffff << 1; + uint32_t x = ntohl(input->s6_addr32[w]); + uint32_t hpad = ntohl(ip6pad[w]); + output.s6_addr32[w] = 0; + /* anonymize x, using hpad */ + for (i = 31; i > pbits - 1; --i) { + /* pass through 'i' highest bits of the word */ + x &= m; + /* the following could be: + * x |= (hpad & ~m); */ + x |= (hpad >> i); + b6_in.ip6.s6_addr32[w] = htonl(x); + /* hashing proper */ + switch (scramble_crypto6) { + case SCRAMBLE_MD5: + MD5((u_char*)&b6_in, MD5_DIGEST_LENGTH, (u_char*)&b6_out); + break; + case SCRAMBLE_BLOWFISH: + /* use BF in chain mode */ + memset(ivec, 0, sizeof(ivec)); + BF_cbc_encrypt((u_char*)&b6_in, (u_char*)&b6_out, + sizeof(struct in6_addr), + &scramble_key.bfkey, + ivec, BF_ENCRYPT); + break; + case SCRAMBLE_AES: + AES_ecb_encrypt((u_char*)&b6_in, (u_char*)&b6_out, + &scramble_key.aeskey, AES_ENCRYPT); + break; + case SCRAMBLE_SHA1: + SHA1((u_char*)&b6_in, SHA_DIGEST_LENGTH, (u_char*)&b6_out); + break; + default: + abort(); + } + output.s6_addr32[w] |= ((ntohl(b6_out.ip6.s6_addr32[3]) & 1) + << (31 - i)); + m <<= 1; + } + pbits = (pbits >= 32) ? pbits - 32 : 0; + /* pbits >= 32 this means the above for-loop wasn't executed */ + + output.s6_addr32[w] = htonl(output.s6_addr32[w]) ^ input->s6_addr32[w]; + + /* restore the word */ + b6_in.ip6.s6_addr32[w] = input->s6_addr32[w]; + } + *input = output; +} + +/* reverse map scrambled IP addresses, all network byte order */ +uint32_t +unscramble_ip4(uint32_t input, int pass_bits) +{ + int i; + uint32_t guess, res; + + guess = input; /* Starting with the input seems + * a good idea because some bits + * may be passed through + * unchanged */ + for (i=32; i>0; --i) { + res = scramble_ip4(guess, pass_bits); + /* we're only interested in flipping the + * higher bit, don't care about the rest */ + res ^= input; + if (res == 0) + return guess; + guess ^= res; + } + //unreachable, since there should be always a match + //(since we're zeroing out at least one bit per iteration) + assert(0); + return (0xffffffff); /* cannot find the match */ +} + +/* unscramble ipv6 address in place, in network byte order */ +void +unscramble_ip6(struct in6_addr *input, int pass_bits) +{ + struct in6_addr guess; + struct in6_addr res; + uint32_t r = 0; + + int i; + + guess = *input; + for (i = 0; i < 4; ++i) { + for (;;) { + res = guess; + scramble_ip6(&res, pass_bits); + r = res.s6_addr32[i] ^ input->s6_addr32[i]; + + if (r == 0) break; + + guess.s6_addr32[i] ^= r; + } + + } + *input = guess; + return; +} diff --git a/cryptopANT.h b/cryptopANT.h new file mode 100644 index 0000000..63bab97 --- /dev/null +++ b/cryptopANT.h @@ -0,0 +1,91 @@ +/* -*- Mode:C; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */ +/* + * Copyright (C) 2004-2018 by the University of Southern California + * $Id: 58a4704e7a2580bed5f7eac76cd23b809dd558fa $ + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * 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., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + */ + + +#ifndef _SCRAMBLE_CRYPT_H +#define _SCRAMBLE_CRYPT_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define ETHER_ADDR_LEN 6 +#define ETHER_VLAN_LEN 2 + +#define _XOR16(a, b, i) (((uint16_t *)(a))[i] ^= ((uint16_t *)(b))[i]) +#define _XOR32(a, b, i) (((uint32_t *)(a))[i] ^= ((uint32_t *)(b))[i]) + +#define SCRAMBLE_ETHER_ADDR(a) if (1) { \ + _XOR32(a, scramble_ether_addr, 0); \ + _XOR16(a, scramble_ether_addr, 2); \ + } + +#define SCRAMBLE_ETHER_VLAN(v) ((v) ^= scramble_ether_vlan); + +#define SCRAMBLE_RANDOM_DEV "/dev/urandom" + +typedef enum { + SCRAMBLE_NONE = 0x00, + SCRAMBLE_MD5 = 0x01, + SCRAMBLE_BLOWFISH = 0x02, + SCRAMBLE_AES = 0x03, + SCRAMBLE_SHA1 = 0x04 +} scramble_crypt_t; + +typedef struct { + scramble_crypt_t c4; + scramble_crypt_t c6; + u_char *key; + int klen; + u_char *pad; + int plen; + u_char *mac; + int mlen; + u_char *iv; + int ivlen; +} scramble_state_t; + +/* external vars exported by mac scrambling macros */ +extern uint8_t scramble_ether_addr[ETHER_ADDR_LEN]; +extern uint16_t scramble_ether_vlan; +extern int scramble_mac; /* 0/1 */ + +/* public functions */ +extern scramble_crypt_t scramble_crypto_ip4 (void); +extern scramble_crypt_t scramble_crypto_ip6 (void); +extern scramble_crypt_t scramble_name2type (const char *); +extern const char* scramble_type2name (scramble_crypt_t); +extern int scramble_newkey (u_char *, int); +extern int scramble_newpad (u_char *, int); +extern int scramble_newmac (u_char *, int); +extern int scramble_readstate (const char *, scramble_state_t *); +extern int scramble_savestate (const char *, const scramble_state_t *); +extern int scramble_init (const scramble_state_t *s); +extern int scramble_init_from_file (const char *, scramble_crypt_t, scramble_crypt_t, int *); +extern uint32_t scramble_ip4 (uint32_t, int); +extern uint32_t unscramble_ip4 (uint32_t, int); +extern void scramble_ip6 (struct in6_addr *, int); +extern void unscramble_ip6 (struct in6_addr *, int); + +#ifdef __cplusplus +} +#endif + +#endif /* _SCRAMBLE_CRYPT_H */ diff --git a/dag_scrubber.c b/dag_scrubber.c new file mode 100644 index 0000000..a512850 --- /dev/null +++ b/dag_scrubber.c @@ -0,0 +1,1996 @@ +/* -*- Mode:C; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */ +/* + * Copyright (C) 2004-2021 by the University of Southern California + * $Id$ + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * 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., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + */ + +/* setup environment */ +#define _GNU_SOURCE 1 +#define _FILE_OFFSET_BITS 64 + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include + +#include "cryptopANT.h" +#include "scramble_wlw.h" + +#define MAX_PROTO_NAME 15 /* chars in proto sym name */ +#define ERF_REC_LEN_MAX (1<<16) /* buffer is large enough to get zeroed out even if len=0xffff */ +#define ERF_FLAGS_IFACE_MAX 3 + +#define MAX_IP_PROTO 255 +#define ETH_ADDR_LEN 6 /* length of an ethernet address */ + +#ifndef IPPROTO_EIGRP +#define IPPROTO_EIGRP 88 +#elif IPPROTO_EIGRP != 88 +#error IPPROTO_EIGRP is not 88 +#endif /* IPPROTO_EIGRP */ + +#ifndef IPPROTO_IGP +#define IPPROTO_IGP 9 +#elif IPPROTO_IGP != 9 +#error IPPROTO_EIGRP is not 9 +#endif /* IPPROTO_IGP */ + +#ifndef IPPROTO_OSPFIGP +#define IPPROTO_OSPFIGP 89 +#elif IPPROTO_OSPFIGP != 89 +#error IPPROTO_OSPFIGP is not 89 +#endif /* IPPROTO_OSPFIGP */ + +#ifndef IPPROTO_IPMP +#define IPPROTO_IPMP 169 /* unassigned, but seems common */ +#endif /* IPPROTO_IPMP */ + +#ifndef IPPROTO_TESTING_253_RFC3692 +#define IPPROTO_TESTING_253_RFC3692 253 /* used for testing */ +#endif /* IPPROTO_TESTING_253_RFC3692 */ + +/* timestamp handling macro: they are in little-endian b.o. */ +#if __BYTE_ORDER == __BIG_ENDIAN +#define TS(x) __bswap_64(x) +#endif +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define TS(x) (x) +#endif +#ifndef TS +#error __BYTE_ORDER is neither __BIG_ENDIAN nor __LITTLE_ENDIAN +#endif + +/* Ethernet types */ +#define ETHERTYPE_IP 0x0800 +#define ETHERTYPE_IP6 0x86dd +#define ETHERTYPE_8021Q 0x8100 +#define ETHERTYPE_ARP 0x0806 +#define ETHERTYPE_REVARP 0x8035 +#define ETHERTYPE_LOOPBACK 0x9000 /* Loopback (configuration test protocol) */ +#define ETHERTYPE_RESERVED 0xffff /* "fake" frame added by dagsnap_lander to + record system time as first and last in + the trace */ + +#define UNUSED(x) do { (x) = (x); } while(0) +#define max(a, b) ((a)>(b)?(a):(b)) +#define min(a, b) ((a)>(b)?(b):(a)) + +#define IS_UNASS_IP_PROTO(p) (((p) >= 138 && (p) <= 253) || (p) == 255) + +#define IS_IPV6OPT(proto) ((proto == IPPROTO_HOPOPTS) || \ + (proto == IPPROTO_ROUTING) || \ + (proto == IPPROTO_FRAGMENT) || \ + (proto == IPPROTO_DSTOPTS) || \ + (proto == IPPROTO_NONE)) + +#define IS_ETHER_MCAST(p) (((*(char*)(p)) & 0x01) == 0x01) +#define RESET_ETHER_MCAST(p) (*(char*)(p) &= 0xfe) +typedef enum { + PARSE_COND_SHORT, /* short packet */ + PARSE_COND_ERROR, /* malformed packet */ + PARSE_COND_SKIP, /* ignore this packet */ + PARSE_COND_OK /* parsed OK */ +} parse_cond_t; + +typedef struct flags { + u_char iface:2; + u_char vlen:1; + u_char trunc:1; + u_char rxerror:1; + u_char dserror:1; + u_char pad:2; +} flags_t; + +#define PCAP_RECORD_TYPE_ETH 1000 + +typedef struct dag_record_ { + uint64_t ts; + uint8_t type; +#define DAG_RECORD_TYPE_ETH 2 + flags_t flags; + uint16_t rlen; + uint16_t lctr; + uint16_t wlen; +} dag_record_t; + +typedef struct { + int chop_tail; /* length of the record's tail that can be scrapped */ + parse_cond_t cond; +} parse_ret_t; + +typedef enum { + PARSE_IP4 = IPPROTO_IPIP, + PARSE_IP6 = IPPROTO_IPV6 +} parse_ip_t; + +typedef parse_ret_t (*proto_parser_t)(void *p, int len, int proto); + +typedef struct { + proto_parser_t parser; /* handler */ + uint64_t stats_cnt; /* stats: totol count */ + uint64_t stats_err; /* stats: malformed count */ + char name[MAX_PROTO_NAME+1]; /* pretty printing */ +} ipprotosw_t; + +typedef struct { + u_char dst[ETH_ADDR_LEN]; + u_char src[ETH_ADDR_LEN]; + u_int16_t etype; + union { + u_char _eth_pload[1]; + struct { + u_short _vlan_tag; + u_short _vlan_etype; + u_char _vlan_pload[1]; + } _vlan; + } vlan_un; +#define eth_pload vlan_un._eth_pload +#define vlan_tag vlan_un._vlan._vlan_tag +#define vlan_etype vlan_un._vlan._vlan_etype +#define vlan_pload vlan_un._vlan._vlan_pload +} eth_hdr_t; + +typedef struct { + u_char offset; + u_char pad; + /* followed by standard eth hdr */ + eth_hdr_t eth_hdr; +} erf_eth_rec_t; + + +typedef struct { + uint64_t prev_ts; + uint64_t diff_max; + uint64_t min_ts; + uint64_t max_ts; + int not_increasing; + int first_record; +} ts_stats_t; + +typedef struct pnat_ip4_table_ { + uint32_t ip4_from; + uint32_t ip4_to; + struct pnat_ip4_table_ *next; +} pnat_ip4_table_t; + +typedef struct pnat_ip6_table_ { + struct in6_addr ip6_from; + struct in6_addr ip6_to; + struct pnat_ip6_table_ *next; +} pnat_ip6_table_t; + +static pnat_ip4_table_t *pnat_ip4_table = NULL; +static pnat_ip6_table_t *pnat_ip6_table = NULL; + +static void init_filter (const char *, struct bpf_program *, int, int); +static int run_filter (const struct bpf_program *, const void *, int, int); + +static void parse_init (void); +static void parse_erf (void); +static void parse_pcap (void); + +static int repair_erf (int, int); + +static parse_ret_t parse_erf_eth (void *, int, int, int); + +static parse_ret_t parse_link (void *, int, int, int); +static parse_ret_t parse_eth (void *, int, int, int); +static parse_ret_t parse_raw (void *, int, int, int); + +static parse_ret_t parse_ipv4 (void *, int, int); +static parse_ret_t parse_ipv4_opt (struct iphdr * , int); +static parse_ret_t parse_icmp4 (void *, int, int); + +static parse_ret_t parse_ipv6 (void *, int, int); +static parse_ret_t parse_ipv6_opt (void *, int, int); +static parse_ret_t parse_icmp6 (void *, int, int); + +static parse_ret_t parse_tcp (void *, int, int); +static parse_ret_t parse_udp (void *, int, int); +static parse_ret_t parse_esp (void *, int, int); +static parse_ret_t parse_gre (void *, int, int); +static parse_ret_t parse_ah (void *, int, int); + +static parse_ret_t parse_nofurther (void *, int, int); +static parse_ret_t parse_zerowhole (void *, int, int); +#if 0 +static parse_ret_t parse_unassigned(void *, int, int); +#endif +static parse_ret_t parse_defaulterr(void *, int, int); + +static void build_pnat_tables (char *); +static uint32_t pnat_ip4(uint32_t, int); +static void pnat_ip6(struct in6_addr *, int); + +static void usage (void); +static void panic (const char *, ...) __attribute__((noreturn, format (printf, 1, 2))); +static void error (const char *, ...) __attribute__((unused, format (printf, 1, 2))); +static void warn (const char *, ...) __attribute__((unused, format (printf, 1, 2))); +static inline uint16_t cksum_adjust (uint32_t, uint32_t, uint32_t); + +#if 0 +static u_char bpdu_ether_bcast[] = {0x01, 0x80, 0xc2, 0x00, 0x00, 0x00}; +#define IS_BPDU_ADDR(p) (memcmp((p), bpdu_ether_bcast, sizeof(bpdu_ether_bcast)) == 0) +#endif /* XXX not used */ + +static const char *prog; +static const char *fi = NULL, *fo = NULL, *logdump = NULL; +static FILE *f_input, *f_output, *f_logdump; +static int do_pcap = 1; +static int do_chopping = 0; +static int do_warnings = 0; +static char *scramble_crypto_fn = NULL; +static int pass_bits4 = 0; /* # bits high-to-low to pass unscrambled (ipv4) */ +static int pass_bits6 = 0; /* # bits high-to-low to pass unscrambled (ipv6) */ +static int do_mac_scramble = 0; +static int do_preserve_vlantags = 0; /* -v option */ +static int do_reverse_scramble = 0; /* -r option */ +static int do_ts_increase = 0; /* -M option */ +static int repair_damage = 0; /* -R option */ +static int nocksum = 0; /* --nocksum */ +static char *do_pnat = NULL; +static char *noscramble_prefixes = "";/* --no-scramble/--dont-scramble option */ +static int keep_payload = 0; +static int do_scrambling = 0; + +static char *pass_filter_expr = NULL; /* pass filter expression, drop everything else */ +static char *paypass_filter_expr = NULL; /*pass payload filter expr */ +static struct bpf_program pass_pf; +static struct bpf_program paypass_pf; +static int pcap_dlt = DLT_RAW; /* XXX give an option to set this */ +static int pcap_linktype = -10000; /* XXX neg number for non-existent link */ +static pcap_dumper_t *pcap_dumper = NULL; +static pcap_dumper_t *pcap_logdumper = NULL; + +/* I don't like these two globals, but they simplify passing + checksum-relevant info between parsers */ +static uint16_t ip_hdr_cksum_adj = 0; + +static ipprotosw_t ipsw[MAX_IP_PROTO+1]; + +/* parsers can return these, if no chopping needed */ +static parse_ret_t PARSE_SHORT = { 0, PARSE_COND_SHORT }; +static parse_ret_t PARSE_ERROR = { 0, PARSE_COND_ERROR }; +static parse_ret_t PARSE_OK = { 0, PARSE_COND_OK }; +static parse_ret_t PARSE_SKIP = { 0, PARSE_COND_SKIP }; + +/* Two buffers are needed in case of repair. The idea is to have to + buffers to use alternately, this way, when we come to a corruption + in the file, we have a previous record to work with */ +static char parse_buf[2][ERF_REC_LEN_MAX]; +static int parse_buf_dex = 1; /* alternates between 0 and 1 */ + +/* stats */ +static uint64_t rcount = 0, wcount = 0, fcount = 0, loss = 0; +static uint64_t rbytes = 0, wbytes = 0; + +static inline void *cond_memset(void *s, int c, size_t n) { + if (keep_payload) { + /* if doing filtering and filter matched, do not scrub */ + return s; + } + return memset(s, c, n); +} + +int +main(int argc, char *argv[]) +{ + int opt; + int do_stats = 0; + //int do_debug = 0; + char *logfn = NULL; + + /* point either to anon or unanon (-r) functions */ + static uint32_t (*scrambler_ip4)(uint32_t, int) = scramble_ip4; + static void (*scrambler_ip6)(struct in6_addr *, int) = scramble_ip6; + + +#define PASS4 256 +#define PASS6 257 +#define NOCKSUM 258 +#define VERBOSE 259 +#define OPT_PNAT 260 +#define OPT_DAG 261 +#define OPT_PCAP 262 +#define OPT_NOSCRAMBLE 263 + + struct option long_options[] = { + {"help", 0, NULL, 'h'}, + {"pass4", 1, NULL, PASS4}, + {"pass6", 1, NULL, PASS6}, + {"nocksum", 0, NULL, NOCKSUM}, + {"verbose", 0, NULL, VERBOSE}, + {"pnat", 1, NULL, OPT_PNAT}, + {"no-scramble", 1, NULL, OPT_NOSCRAMBLE}, + {"dont-scramble", 1, NULL, OPT_NOSCRAMBLE}, + {"pcap", 0, NULL, OPT_PCAP}, + {"dag", 0, NULL, OPT_DAG}, + {"erf", 0, NULL, OPT_DAG}, + + }; + prog = argv[0]; + while((opt = getopt_long(argc, argv, + "DF:L:MPRSW:chl:mn:rs:v", + long_options, NULL)) != EOF) { + switch(opt) { + /* long options first: */ + case PASS4: + pass_bits4 = atoi(optarg); + if (pass_bits4 < 0 || pass_bits4 > 32) + panic("--pass4 option argument must be within [0..32]\n"); + break; + case PASS6: + pass_bits6 = atoi(optarg); + if (pass_bits6 < 0 || pass_bits6 > 128) + panic("--pass4 option argument must be within [0..128]\n"); + break; + case OPT_PNAT: + do_pnat = optarg; + break; + case NOCKSUM: + ++nocksum; + break; + case VERBOSE: + ++do_warnings; + break; + + /* short options: */ +// case 'D': +// do_debug = 1; /* for now does nothing */ +// break; + case 'F': + pass_filter_expr = optarg; + break; + case 'L': + /* dump freaky packets in here */ + logdump = optarg; + f_logdump = fopen(logdump, "a"); + if (f_logdump == NULL) + error("cannot open the log dump file %s: %s\n", + logdump, strerror(errno)); + break; + case 'M': + ++do_ts_increase; /* skip over records to maintain + monotonously increasing TS */ + break; + case 'P': /* fallthrough */ + case OPT_PCAP: + do_pcap = 1; /* Use pcap for input/output */ + break; + case OPT_DAG: + do_pcap = 0; /* Use erf for input/output */ + break; + case 'R': + ++repair_damage; /* will try to repair damaged files by + skipping some bytes until what looks + like a good record */ + break; + case 'S': + ++do_stats; + break; + case 'c': + ++do_chopping; + break; + case 'h': + usage(); + /* never returns */ + case 'l': + logfn = optarg; + if (freopen(logfn, "a", stderr) == NULL) { + error("cannot open the log file %s: %s\n", + logfn, + strerror(errno)); + } + break; + case 'm': + ++do_mac_scramble; + break; + case 'n': + paypass_filter_expr = optarg; + break; + case 'r': + ++do_reverse_scramble; + scrambler_ip4 = &unscramble_ip4; + scrambler_ip6 = &unscramble_ip6; + break; + case 's': + scramble_crypto_fn = optarg; + break; + case 'v': + ++do_preserve_vlantags; + break; + case OPT_NOSCRAMBLE: + noscramble_prefixes = optarg; + break; + default: + panic("unknown option, see -h for help on usage\n"); + /* never returns */ + } + } + + argc -= optind; + argv += optind; + + fi = (argc > 0 && argv[0]) ? argv[0] : NULL; + fo = (argc > 1 && argv[1]) ? argv[1] : NULL; + + if (fi) { + if ((f_input = fopen(fi, "r")) == NULL) + panic("cannot open %s: %s\n", fi, strerror(errno)); + } else { + fi = "(stdin)"; + f_input = stdin; + } + if (fo) { + if ((f_output = fopen(fo, "r")) != NULL) { + error("output %s exists, exiting without overwriting\n", fo); + exit(1); + } + if ((f_output = fopen(fo, "w")) == NULL) + panic("cannot open %s: %s\n", fo, strerror(errno)); + } else { + fo = "(stdout)"; + f_output = stdout; + } + if (do_pnat) { + if (scramble_crypto_fn) { + error("running in PNAT mode, scrambling is disabled\n"); + scramble_crypto_fn = NULL; + } + do_scrambling = 1; + keep_payload = 1; + build_pnat_tables(do_pnat); + scrambler_ip4 = &pnat_ip4; + scrambler_ip6 = &pnat_ip6; + } + + scramble_wlw_init(noscramble_prefixes, scrambler_ip4, scrambler_ip6); + + if (scramble_crypto_fn) { + int do_mac = do_mac_scramble; + if (scramble_init_from_file(scramble_crypto_fn, + SCRAMBLE_BLOWFISH, SCRAMBLE_BLOWFISH, + &do_mac) < 0) { + error("Cannot init crypto scrambling"); + exit(1); + } + if (do_mac_scramble && !do_mac) { + error("Cannot do MAC scrambling: disabled in keyfile\n"); + exit(1); + } + fprintf(stderr, + "# Scrambling IP addresses, using crypto state from %s (ipv4:%s, ipv6:%s)\n", + scramble_crypto_fn, + scramble_type2name(scramble_crypto_ip4()), + scramble_type2name(scramble_crypto_ip6())); + if (pass_bits4) + fprintf(stderr, + "# Passing %d bits of ipv4 unchanged\n", pass_bits4); + if (pass_bits6) + fprintf(stderr, + "# Passing %d bits of ipv6 unchanged\n", pass_bits6); + fprintf(stderr, + "# Scrambling MAC addresses/vlans is %s\n", (do_mac) ? "enabled" : "disabled"); + do_scrambling = 1; + } else { + if (pass_bits4 || pass_bits6) + fprintf(stderr, + "# Warning: --pass4 or --pass6 without -s makes no difference\n"); + if (do_reverse_scramble) { + fprintf(stderr, + "# Warning: -r makes no sense without -s\n"); + } + } + + parse_init(); + + if (pass_filter_expr) + init_filter(pass_filter_expr, + &pass_pf, + 1500, /*XXX snaplen? does it matter? */ + pcap_dlt); + if (paypass_filter_expr) + init_filter(paypass_filter_expr, + &paypass_pf, + 1500, /*XXX snaplen? does it matter? */ + pcap_dlt); + + + if (do_pcap) + parse_pcap(); + else + parse_erf(); + + fprintf(stderr, + "**Read from %s: %" PRIu64 "(%" PRIu64 "B)," + " Written to %s %" PRIu64 "(%" PRIu64 "B), Freaky: %" PRIu64 "\n", + fi, rcount, rbytes, + fo, wcount, wbytes, fcount); + + if (do_stats) { + int i; + fprintf(stderr, "**Extended Stats:\n"); + for (i = 0; i<= MAX_IP_PROTO; ++i) { + if (ipsw[i].stats_cnt > 0) { + fprintf(stderr, + "** PROTO: 0x%02x, %*s, total: %20" PRIu64 + ", errors: %20" PRIu64 "\n", + i, + MAX_PROTO_NAME, ipsw[i].name, + ipsw[i].stats_cnt, + ipsw[i].stats_err); + } + } + } + + if (f_input) + fclose(f_input); + if (f_output) + fclose(f_output); + if (f_logdump) + fclose(f_logdump); + + f_input = f_output = f_logdump = NULL; + + fclose(stderr); + + return 0; +} + +#define REPAIR_ERF_LOOKAHEAD 4096 /* seek a good record + within so many bytes */ +/* this (stronger version, works if corruption happened in the mid of the file */ +#define ERF_REC_HEURISTIC_NEXT(oldrec, newrec) \ + (((((oldrec)->ts ^ (newrec)->ts) >> 48) == 0) /* within 18hrs */ \ + && ((oldrec)->type == (newrec)->type) \ + && ((int)ntohs((newrec)->rlen) < 1600) /* not too large */ \ + && ((int)ntohs((newrec)->rlen) >= (int)sizeof(dag_record_t))/* nor too small */ \ + && ((int)ntohs((newrec)->wlen) < 2000) \ + && ((int)ntohs((newrec)->wlen) > \ + (int)ntohs((newrec)->rlen) - (int)sizeof(dag_record_t))) +/* this (weaker) version will have to be used if it's the first record + that's busted */ +#define ERF_REC_HEURISTIC_FIRST(newrec) \ + (((int)ntohs((newrec)->rlen) < 1600) /* not too large */ \ + && ((int)ntohs((newrec)->rlen) >= (int)sizeof(dag_record_t))/* nor too small */ \ + && ((int)ntohs((newrec)->wlen) < 2000) \ + && ((int)ntohs((newrec)->wlen) > \ + (int)ntohs((newrec)->rlen) - (int)sizeof(dag_record_t))) +/* all in one */ +#define ERF_REC_HEURISTIC(oldrec, newrec) \ + ((oldrec) == NULL \ + ? ERF_REC_HEURISTIC_FIRST(newrec) \ + : ERF_REC_HEURISTIC_NEXT(oldrec, newrec)) + +static int +repair_erf(int prev_buf_dex, int bad_read) { + /* we have the last record */ + dag_record_t *prev_rec = NULL; + dag_record_t rec; + char buf[REPAIR_ERF_LOOKAHEAD]; + int buflen = 0; + int off; + int bufs = -1; + int matches = 0; + + /* negative prev_buf_dex, means the buffer is not available */ + if (prev_buf_dex >= 0) + prev_rec = (dag_record_t *)parse_buf[prev_buf_dex]; + + if (fseek(f_input, (long)-bad_read, SEEK_CUR) != 0) { + error("Cannot lseek to the end of previous record: %s\n", strerror(errno)); + return -1; /* something went wrong */ + } + do { + ++bufs; + errno = 0; + buflen = fread(buf, 1, REPAIR_ERF_LOOKAHEAD, f_input); + if (buflen == 0) { + error("EOF while repairing (or error: %s), skipped last %d bytes\n", + strerror(errno), bufs*REPAIR_ERF_LOOKAHEAD); + /* we did our best */ + return 0; + } + /* all this memcpy's aren't very efficient, but hopefully we don't have to + * do it very often */ + for (off = 0; off + (int)sizeof(rec) < buflen; ++off) { + memcpy(&rec, buf + off, sizeof(rec)); + /* heuristic to find a valid record */ + if (ERF_REC_HEURISTIC(prev_rec, &rec)) { + /* this looks like a record */ + /* let's make sure a few following records look good too */ + dag_record_t r = rec; + dag_record_t pr; + int len = ntohs(rec.rlen); + for (matches = 1; matches < 5; ++matches) { + if (off + len + (int)sizeof(r) >= buflen) + break; + pr = r; + memcpy(&r, buf + off + len, sizeof(r)); + if (!ERF_REC_HEURISTIC(&pr, &r)) { + matches = 0; + break; + } + len += ntohs(r.rlen); + } + if (matches) + break; + } + } + } while (matches == 0); + { + int64_t dts = 0; + uint64_t adts = 0; + uint32_t ds = 0; + uint32_t df = 0; + if (prev_rec) { + dts = TS(rec.ts) - TS(prev_rec->ts); + adts = (dts < 0) ? -dts : dts; + ds = adts >> 32; + df = adts & 0xffffffff; + } + fprintf(stderr, + "Repair: found %d good(?) records, skipping %d bytes, " + "timestamp diff: %c0x%" PRIx32 ".%08" PRIx32 "\n", + matches, bufs*REPAIR_ERF_LOOKAHEAD + off, + dts < 0 ? '-' : '+', + ds, df); + } + /* reposition the file to the beginning of a good record */ + if (fseek(f_input, (long)(off-buflen), SEEK_CUR) != 0) { + error("Repair: cannot reposition file to the new good record: %s\n", + strerror(errno)); + return -1; + } + return 0; +} + +static void +pcap_callback(u_char *null, + const struct pcap_pkthdr *h, + const u_char *bytes) +{ + struct pcap_pkthdr nh = *h; + parse_ret_t ret; + + ++rcount; + rbytes += h->caplen; + + /* anonymizing */ + + if (pcap_linktype == DLT_RAW) + ret = parse_raw((u_char*)bytes, h->caplen, h->len, pcap_linktype); + else + ret = parse_eth((u_char*)bytes, h->caplen, h->len, pcap_linktype); + + if (ret.cond == PARSE_COND_ERROR) { + ++fcount; + if (f_logdump != NULL) + pcap_dump((u_char*)pcap_logdumper, &nh, bytes); + } + if (ret.cond != PARSE_COND_SKIP) { + /* write output */ + if (do_chopping && !keep_payload) { + assert(ret.chop_tail >= 0 && ret.chop_tail <= h->caplen); + nh.caplen -= ret.chop_tail; + } + if (nh.caplen > 0) + pcap_dump((u_char*)pcap_dumper, &nh, bytes); + + ++wcount; + wbytes += nh.caplen; + } +} + +static void +parse_pcap(void) +{ + char errbuf[PCAP_ERRBUF_SIZE]; + int ret = 0; + pcap_t *pcap = NULL; + + if ((pcap = pcap_fopen_offline(f_input, errbuf)) == NULL) { + error("Error opening pcap input: %s\n", errbuf); + return; + } + + pcap_linktype = pcap_datalink(pcap); + + if ((pcap_dumper = pcap_dump_fopen(pcap, f_output)) + == NULL) { + error("Error opening pcap output: %s\n", pcap_geterr(pcap)); + return; + } + + if (f_logdump) { + if ((pcap_logdumper = pcap_dump_open(pcap, logdump)) + == NULL) { + error("Error opening pcap freakdump: %s\n", pcap_geterr(pcap)); + return; + } + } + + + ret = pcap_loop(pcap, -1, pcap_callback, NULL); + + if (ret == -1) + error("Error processing pcap input: %s\n", + pcap_geterr(pcap)); + + /* close dumpers */ + pcap_dump_close(pcap_dumper); + if (f_logdump) + pcap_dump_close(pcap_logdumper); + pcap_close(pcap); + + /* don't need to close these files again */ + f_input = f_output = f_logdump = NULL; +} + +static void +parse_erf(void) +{ + dag_record_t *rec; /* = (dag_record_t *)parse_buf[parse_buf_dex ^= 1]; */ + ts_stats_t ts_stats[ERF_FLAGS_IFACE_MAX+1]; + int prev_buf_dex; + int lctr, loss_overflowed = 0; + int i, xlen = 0; + int first_record = 1; + + /* reset stats */ + for (i = 0; irlen); + wlen = ntohs(rec->wlen); + read_bytes = sizeof(dag_record_t); + + xlen = rlen - sizeof(dag_record_t); + + if (xlen < 0) { + error("record too short on input\n"); + goto try_repair; + } + /* read the remainder */ + if ((l = fread(rec + 1, xlen, 1, f_input)) != 1) { + error("unexpected end of file"); + if ((errno=ferror(f_input)) != 0) + fprintf(stderr, ": %s", strerror(errno)); + fprintf(stderr, "\n"); + break; + } + + read_bytes = rlen; + + /* early check for validity of record type to possibly repair */ + if (rec->type != DAG_RECORD_TYPE_ETH) { + /* the only supported record type */ + error("unsupported link type %d\n", rec->type); + goto try_repair; + } + /* check that lengths make sense */ + if (xlen > wlen) { + /* It's OK, this is just pad */ + } + + /* assume first record is OK */ + first_record = 0; + + /* work with timestamps: already in little endian byte order */ + { + int iface = rec->flags.iface; + uint64_t ts = TS(rec->ts); + + assert(iface < ERF_FLAGS_IFACE_MAX+1); + + if (ts_stats[iface].first_record) { + ts_stats[iface].first_record = 0; + } else { + if (ts_stats[iface].prev_ts > ts) { + if (do_ts_increase) { + uint64_t dts = ts_stats[iface].prev_ts - ts; + fprintf(stderr, + "Monotonously increasing TS enforced, " + "skipping over dTS=-0x%" PRIx32 ".%08" PRIx32 ", IF=%d\n", + (uint32_t)(dts >> 32), + (uint32_t)(dts & 0xffffffff), + iface); + continue; + } + ts_stats[iface].not_increasing = 1; + } else + ts_stats[iface].diff_max = + max(ts_stats[iface].diff_max, + ts - ts_stats[iface].prev_ts); + } + ts_stats[iface].prev_ts = ts; + if (ts < ts_stats[iface].min_ts) + ts_stats[iface].min_ts = ts; + if (ts > ts_stats[iface].max_ts) + ts_stats[iface].max_ts = ts; + } + + ++rcount; + rbytes += rlen; + + if (rec->lctr) { + lctr = ntohs(rec->lctr); + loss += lctr; + if (lctr == 0xffff) + loss_overflowed = 1; + + } + + ret = parse_link(rec + 1, xlen, wlen, -DAG_RECORD_TYPE_ETH); + + if (ret.cond == PARSE_COND_ERROR) { + ++fcount; + if (f_logdump != NULL) { + if (fwrite(rec, rlen, 1, f_logdump) != 1) + error("cannot write freakdump - %s\n", + strerror(ferror(f_logdump))); + } + } + if (ret.cond != PARSE_COND_SKIP) { + unsigned short w_len = rlen; + /* write output */ + if (do_chopping && !keep_payload) { + assert(ret.chop_tail >= 0 && ret.chop_tail < xlen); + if (w_len < (int)sizeof(dag_record_t) + ret.chop_tail) { + continue; /* skip this, but == is OK */ + } else { + w_len -= ret.chop_tail; + } + rec->rlen = htons(w_len); + } /*xxx memset to zero here */ + + if (fwrite(rec, w_len, 1, f_output) != 1) + panic("cannot write output: %s\n", strerror(ferror(f_output))); + ++wcount; + wbytes += w_len; + } + continue; + try_repair: + if (!repair_damage) { + fprintf(stderr, "Panic: try running in repair mode [-R]\n"); + exit(1); /* this is fatal */ + } + + prev_buf_dex = (first_record) ? -1 : (parse_buf_dex ^ 1); + if (repair_erf(prev_buf_dex,read_bytes) != 0) + panic("Tried to repair, but wasn't successful\n"); + /* revert to the old value */ + parse_buf_dex ^= 1; + } + + for (i = 0; i> 32); /* seconds */ + uint32_t df = (dts & 0xffffffff); /* fractional seconds */ + fprintf(stderr, + "**IF=%d: Trace Time: 0x%" PRIx32 ".%08" PRIx32 ", Max timestamp diff: 0x%" + PRIx32 ".%08" PRIx32 ", " + "montonically increasing: %s\n", + i, + ds, df, + (uint32_t)(ts_stats[i].diff_max >> 32), + (uint32_t)(ts_stats[i].diff_max & 0xffffffff), + (ts_stats[i].not_increasing) ? "NO" : "YES"); + } + } + fprintf(stderr, "**Total losses within the file %s %" PRIu64 "\n", + (loss_overflowed) ? ">=" : "=", loss); +} + +static parse_ret_t +parse_link(void *p, int len, int wlen, int type) +{ + switch (type) { + case -DAG_RECORD_TYPE_ETH: + return parse_erf_eth(p, len, wlen, DAG_RECORD_TYPE_ETH); + + case DLT_EN10MB: + return parse_eth(p, len, wlen, type); + + default: + panic("unsupported link type %d\n", type); + } + /* notreached */ + error("parse_link() notreached\n"); + return PARSE_ERROR; +} + +inline static +parse_ret_t call_parser(void *p, int len, int proto) { + parse_ret_t ret; + assert(proto >= 0 && proto <= MAX_IP_PROTO); + + if (len < 0) + return PARSE_SHORT; + else if (len == 0) + return PARSE_OK; + else { + if (ipsw[proto].parser == NULL) { + /* not supposed to happen: default handler is set for everyone */ + error("no default parser for proto %d\n", proto); + abort(); + } + ++ipsw[proto].stats_cnt; + + ret = (ipsw[proto].parser)(p, len, proto); + + if (ret.cond == PARSE_COND_ERROR) { + ++ipsw[proto].stats_err; + } + + return ret; + } +} + +static parse_ret_t +parse_eth(void *p, int len, int wlen, int type) +{ + parse_ret_t ret; + unsigned short etype; + u_char *lh = (u_char *)p; + u_char *nh = NULL; /*next hdr */ + eth_hdr_t *eth_hdr = (eth_hdr_t *)p; + int unicast_dst = ! IS_ETHER_MCAST(eth_hdr->dst); + int silent = 0; + + if (len < (int)offsetof(eth_hdr_t, eth_pload)) { + warn("eth header truncated: %d\n", len); + cond_memset(p, 0, len); + return PARSE_SHORT; + } + + /* scramble eth_hdr->src, eth_hdr->dst addresses */ + SCRAMBLE_ETHER_ADDR(eth_hdr->src); + if (unicast_dst) { + /* scramble only if dst is unicast */ + SCRAMBLE_ETHER_ADDR(eth_hdr->dst); + } + + etype = ntohs(eth_hdr->etype); + nh = eth_hdr->eth_pload; + /* skip VLAN tag if present */ + if (etype == ETHERTYPE_8021Q) { + etype = ntohs(eth_hdr->vlan_etype); + nh = eth_hdr->vlan_pload; + + if (!do_preserve_vlantags) + SCRAMBLE_ETHER_VLAN(eth_hdr->vlan_tag); + } + + len -= (nh-lh); + + if (len < 0) return PARSE_SHORT; /* does not happen b/c of the above */ + + if (pass_filter_expr && + !run_filter(&pass_pf, nh, len, wlen)) { + /* if doing filtering and filter didn't match, skip this packet */ + return PARSE_SKIP; + } + keep_payload = (paypass_filter_expr)?run_filter(&paypass_pf, nh, len, wlen):0; + + switch (etype) { + case ETHERTYPE_IP: + return call_parser(nh, len, PARSE_IP4); + + case ETHERTYPE_IP6: + return call_parser(nh, len, PARSE_IP6); + + case ETHERTYPE_ARP: + case ETHERTYPE_REVARP: + cond_memset(nh, 0, len); + ret.cond = PARSE_COND_OK; + ret.chop_tail = len; + return ret; + case ETHERTYPE_RESERVED: /* pass through */ + ret.cond = PARSE_COND_OK; + ret.chop_tail = 0; + return ret; + case ETHERTYPE_LOOPBACK: + silent = 1; + /* fallthrough */ + default: + cond_memset(nh, 0, len); + ret.chop_tail = len; + ret.cond = PARSE_COND_OK; + + /* be silent if BPDU */ + if (unicast_dst && !silent) { + error("unknown ether type: 0x%04x\n", etype); + cond_memset(p, 0, len); + ret.chop_tail = len; + ret.cond = PARSE_COND_ERROR; + return ret; + } + + return ret; + } + /* not reached */ +} + +/* Ether frames are followed by FCS (checksum 4 byte field) */ +#define ETHERNET_FCS_BYTES 4 +#define ETHERNET_WLEN(wlen) (wlen - ETHERNET_FCS_BYTES) + +static parse_ret_t +parse_erf_eth(void *p, int len, int wlen, int type) +{ + parse_ret_t ret; + erf_eth_rec_t *eth_rec = (erf_eth_rec_t *)p; + size_t overcapture = 0; /* this may include captured bytes of eth checksum: + between 0 and ETHERNET_FCS_BYTES followed by pad */ + int eth_wlen = ETHERNET_WLEN(wlen); + + len -= offsetof(erf_eth_rec_t, eth_hdr); /* -= 2 */ + + if (len > eth_wlen) { + overcapture = len - eth_wlen; + assert(overcapture > 0); + //assert(overcapture <= ETHERNET_FCS_BYTES); + memset((u_char*)ð_rec->eth_hdr + eth_wlen, 0, overcapture); + len = eth_wlen; + } + + + ret = parse_eth(ð_rec->eth_hdr, len, eth_wlen, type); + /* if chopping, remove the ether cksum at the end */ + ret.chop_tail += overcapture; + return ret; +} + +static void +parse_init(void) +{ + int i; + + memset(ipsw, 0, sizeof(ipsw)); + + for (i = 0; i <= MAX_IP_PROTO; ++i) { + ipsw[i] = + (IS_UNASS_IP_PROTO(i)) + ? (ipprotosw_t){ parse_defaulterr, 0, 0, "UNASSIGNED" } + : (ipprotosw_t){ parse_defaulterr, 0, 0, "UNSUPP" }; + } + + ipsw[IPPROTO_IPIP] = (ipprotosw_t){ parse_ipv4, 0, 0, "IPv4" }; + ipsw[IPPROTO_IPV6] = (ipprotosw_t){ parse_ipv6, 0, 0, "IPv6" }; + + ipsw[IPPROTO_ICMP] = (ipprotosw_t){ parse_icmp4, 0, 0, "ICMP" }; + ipsw[IPPROTO_ICMPV6]= (ipprotosw_t){ parse_icmp6, 0, 0, "ICMPv6" }; + + ipsw[IPPROTO_TCP] = (ipprotosw_t){ parse_tcp, 0, 0, "TCP" }; + ipsw[IPPROTO_UDP] = (ipprotosw_t){ parse_udp, 0, 0, "UDP" }; + ipsw[IPPROTO_ESP] = (ipprotosw_t){ parse_esp, 0, 0, "ESP" }; + ipsw[IPPROTO_GRE] = (ipprotosw_t){ parse_gre, 0, 0, "GRE" }; + ipsw[IPPROTO_AH] = (ipprotosw_t){ parse_ah, 0, 0, "AH" }; + + /* ipv6 options */ + ipsw[IPPROTO_HOPOPTS] = (ipprotosw_t){ parse_ipv6_opt, 0, 0, "IPv6-HOP" }; + ipsw[IPPROTO_ROUTING] = (ipprotosw_t){ parse_ipv6_opt, 0, 0, "IPv6_ROUT" }; + ipsw[IPPROTO_FRAGMENT] = (ipprotosw_t){ parse_ipv6_opt, 0, 0, "IPv6_FRAG" }; + ipsw[IPPROTO_DSTOPTS] = (ipprotosw_t){ parse_ipv6_opt, 0, 0, "IPv6_DEST" }; + + /* remove everything silently for the following: */ + ipsw[IPPROTO_NONE] = (ipprotosw_t){ parse_zerowhole, 0, 0, "IPv6_NONE" }; + ipsw[IPPROTO_EIGRP] = (ipprotosw_t){ parse_zerowhole, 0, 0, "EIGRP" }; + ipsw[IPPROTO_IGP] = (ipprotosw_t){ parse_zerowhole, 0, 0, "IGP" }; + ipsw[IPPROTO_RSVP] = (ipprotosw_t){ parse_zerowhole, 0, 0, "RSVP" }; + ipsw[IPPROTO_OSPFIGP] = (ipprotosw_t){ parse_zerowhole, 0, 0, "OSPFIGP" }; +#ifndef IPPROTO_VRRP +#define IPPROTO_VRRP 112 +#else +#if IPPROTO_VRRP != 112 +#error VRRP != 112 +#endif +#endif + ipsw[IPPROTO_VRRP] = (ipprotosw_t){ parse_zerowhole, 0, 0, "VRRP" }; + + /* for now, just kill the payload; want to revisit for IGMP and PIM xxx */ + ipsw[IPPROTO_IGMP] = (ipprotosw_t){ parse_zerowhole, 0, 0, "IGMP" }; + ipsw[IPPROTO_PIM] = (ipprotosw_t){ parse_zerowhole, 0, 0, "PIM" }; + ipsw[IPPROTO_IPMP] = (ipprotosw_t){ parse_zerowhole, 0, 0, "IPMP"}; + ipsw[IPPROTO_TESTING_253_RFC3692] + = (ipprotosw_t){ parse_zerowhole, 0, 0, "TESTING_253" }; +} + +/* Checksum adjustment function, optimized to some extent; + * byte order is unimportant, as long as it is all the same; + * see RFC 1624 and RFC 1071 for details. + */ +static inline uint16_t +cksum_adjust(uint32_t sum, uint32_t oldip, uint32_t newip) +{ + if (nocksum || oldip == newip) return sum; +#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) + /* make use of ADDC */ + asm volatile ("\t not %0" : "+r" (sum)); + asm volatile ("\t not %0" : "+r" (oldip)); + asm volatile ("\t addl %1,%0" : "+r" (sum) : "g" (oldip)); + asm volatile ("\t adcl %1,%0" : "+r" (sum) : "g" (newip)); + asm volatile ("\t adcl $0,%0" : "+r" (sum)); +#else + sum ^= 0xffff; + oldip = ~oldip; + sum += (old & 0xffff) + (oldip >> 16); + sum += (new & 0xffff) + (newip >> 16); +#endif + sum = (sum & 0xffff) + (sum >> 16); + if (sum & 0xffff0000) + ++sum; + return ((~sum) & 0xffff); /* (~s) & 0xffff */ +} + +static parse_ret_t +parse_raw(void *p, int len, int wlen, int type) +{ + parse_ret_t ret; + + if (len < 0) return PARSE_SHORT; /* does not happen b/c of the above */ + + if (pass_filter_expr && + !run_filter(&pass_pf, p, len, wlen)) { + /* if doing filtering and filter didn't match, skip this packet */ + return PARSE_SKIP; + } + keep_payload = (paypass_filter_expr)?run_filter(&paypass_pf, p, len, wlen):0; + + struct iphdr *iph = (struct iphdr *)p; + switch (iph->version) { + case 4: + return call_parser(p, len, PARSE_IP4); + case 6: + return call_parser(p, len, PARSE_IP6); + default: + cond_memset(p, 0, len); + ret.chop_tail = len; + ret.cond = PARSE_COND_OK; + + error("unknown ip version: %d\n", iph->version); + cond_memset(p, 0, len); + ret.chop_tail = len; + ret.cond = PARSE_COND_ERROR; + + return ret; + } + /* not reached */ +} + + +static parse_ret_t +parse_ipv4(void *p, int len, int proto) { + struct iphdr *iph = (struct iphdr *)p; + parse_ret_t ret; + int next_proto, iphlen, foff, iplen; + int pad = 0; + + if (len < (int)sizeof(struct iphdr)) { + warn("ipv4 header truncated1\n"); + /* there may be an address leak here. Wipe it clean, + because tcpdpriv won't handle it */ + memset(p, 0, len); + ret.cond = PARSE_COND_SHORT; + ret.chop_tail = len; + return ret; + } + + if (iph->version != 4) { + error("expected ipv4, but got ipv%d\n", iph->version); + return PARSE_ERROR; /* malformed packet, keep */ + } + + next_proto = iph->protocol; + iphlen = iph->ihl << 2; + + iplen = ntohs(iph->tot_len); + if (len >= iplen) { + pad = len - iplen; + len = iplen; + } + ip_hdr_cksum_adj = 0; + if (do_scrambling) { + uint32_t old_src = iph->saddr; + uint32_t old_dst = iph->daddr; + + iph->saddr = scramble_wlw_v4(old_src, pass_bits4); + iph->daddr = scramble_wlw_v4(old_dst, pass_bits4); + /* checksum adjustment is needed only if we have whole header */ + if (iphlen <= len) { + uint16_t ocsum = iph->check; + iph->check = cksum_adjust(iph->check, old_src, iph->saddr); + iph->check = cksum_adjust(iph->check, old_dst, iph->daddr); + /* ip in ip is handled here too, we'll just overwrite + previous pseudo-value with new one */ + /* since IPPROTO_TCP is the prevalent case, we don't check + * for next_proto being TCP or UDP, and don't expect to + * pay much penalty for this; the absense of this check + * would also make the ICMP_UNREACH hack possible */ + + ip_hdr_cksum_adj = cksum_adjust(0, iph->check, ocsum); + /* XXX this would also work: + * ip_hdr_cksum_adj = cksum_adjust(0, + * old_src, iph->saddr); + * ip_hdr_cksum_adj = cksum_adjust(ip_hdr_cksum_adj, + * old_dst, iph->daddr); + */ + } else { + iph->check = 0; /* xxx maybe adjust anyway? */ + } + } + + if (iphlen < (int)sizeof(struct iphdr)) { + error("ipv4 hdr len is too short: %d\n", iphlen); + return PARSE_ERROR; /* malformed packet, keep */ + } + + if (iphlen > (int)sizeof(struct iphdr)) { + /* we've got options, blah... */ + int optlen = min(iphlen, len) - sizeof(struct iphdr); + if (optlen > 0) { + parse_ret_t opt_res = + parse_ipv4_opt(iph, optlen); + if (opt_res.cond != PARSE_COND_OK) + memset((u_char *)(iph+1), 0, optlen); + } + } + p = (char *)p + iphlen; + len -= iphlen; + if (len < 0) { + warn("ipv4 header truncated2\n"); + /* unlike "truncated1", tcpdpriv will handle this */ + return PARSE_SHORT; + } + + if (ipsw[next_proto].parser == parse_ipv6_opt) { + error("ipv6 option (0x%02x) in ipv4 pkt\n", next_proto); + return PARSE_ERROR; /* malformed packet, keep */ + } + + foff = ntohs(iph->frag_off); + if ((foff & IP_OFFMASK) != 0) { + /* fragmented packet, erase payload */ + ret = parse_zerowhole(p, len, next_proto); + ret.chop_tail += pad; + return ret; + } + + ret = call_parser(p, len, next_proto); + ret.chop_tail += pad; + return ret; +} + +static parse_ret_t +parse_ipv4_opt(struct iphdr *iph, int len) { + int i, l, t; + u_char *opt = (u_char *)(iph+1); + + if (!do_scrambling) + return PARSE_OK; + + while (len > 0) { + switch (*opt) { + case IPOPT_EOL: /* end of list */ + return PARSE_OK; + case IPOPT_NOP: + ++opt; + --len; + continue; + case IPOPT_RR: /* record route */ + case IPOPT_LSRR: /* loose source route */ + case IPOPT_SSRR: /* strict source route */ + l = opt[1]; /* length of list */ + t = opt[2]; /* pointer */ + + if (l < 3) l = 3; /* otherwise an infinite loop may result */ + if (t > len) + t = len; + if (t > l) + t = l; + for (i = 3; i < t; i += sizeof(uint32_t)) { + u_char *a = opt + i; + uint32_t oldip, newip; + memcpy(&oldip, a, sizeof(uint32_t)); + newip = scramble_wlw_v4(oldip, pass_bits4); + memcpy(a, &oldip, sizeof(uint32_t)); + iph->check = cksum_adjust(iph->check, oldip, newip); + } + len -= l; + opt += l; + continue; + case IPOPT_SEC: /* security */ + l = 11; + len -= l; + opt += l; + continue; + case IPOPT_TS: /* timestamp */ + l = opt[1]; + if (l < 4) l = 4; /* otherwise an infinite loop may result */ + len -= l; + opt += l; + continue; + case IPOPT_SATID: /* stream id */ + case IPOPT_RA: /* router alert */ + l = 4; /* otherwise an infinite loop may result */ + len -= l; + opt += l; + continue; + default: + error("unknown ipv4 option: 0x%x\n", *opt); + return PARSE_ERROR; /* will be zeroed out in parse_ipv4() */ + } + } + if (len < 0) + return PARSE_SHORT; + return PARSE_OK; +} + +static parse_ret_t +parse_ipv6(void *p, int len, int proto) { + struct ip6_hdr *ip6h = (struct ip6_hdr *)p; + parse_ret_t ret; + int vers, next_proto; + + if (len < (int)sizeof(struct ip6_hdr)) { + warn("ipv6 header truncated1\n"); + /* there may be an address leak here. Wipe it clean, + because tcpdpriv won't handle it */ + memset(p, 0, len); + ret.cond = PARSE_COND_SHORT; + ret.chop_tail = len; + return ret; + } + + vers = (ip6h->ip6_vfc & 0xf0) >> 4; + + if (vers != 6) { + error("expected ipv6, but got ipv%d\n", vers); + return PARSE_ERROR; /* malformed packet */ + } + + if (do_scrambling) { + scramble_wlw_v6(&ip6h->ip6_src, pass_bits6); + scramble_wlw_v6(&ip6h->ip6_dst, pass_bits6); + /* TODO: save the adjustment for TCP/UDP pseudo header checksum */ + } + + next_proto = ip6h->ip6_nxt; + p = (char *)p + sizeof(struct ip6_hdr); + len -= (int)sizeof(struct ip6_hdr); + + return call_parser(p, len, next_proto); //ok if len < 0 +} + +static parse_ret_t +parse_icmp4(void *p, int len, int proto) { + struct icmphdr *icmph = (struct icmphdr *)p; + + if (!do_scrambling) + return PARSE_OK; //not scrambling + + if (len <= offsetof(struct icmphdr, un)) + return PARSE_SHORT; /* nothing to scramble here */ + + switch (icmph->type) { + case ICMP_REDIRECT: + if (len < offsetof(struct icmphdr, un) + sizeof(icmph->un.gateway)) { + memset(&icmph->un.gateway, 0, len-offsetof(struct icmphdr, un)); + return PARSE_SHORT; + } + /* scramble gateway address */ + { + uint32_t old = icmph->un.gateway; + icmph->un.gateway = scramble_wlw_v4(old, pass_bits4); + icmph->checksum = cksum_adjust(icmph->checksum, + old, icmph->un.gateway); + } + /* FALLTHROUGH */ + case ICMP_UNREACH: + case ICMP_SOURCE_QUENCH: + case ICMP_TIME_EXCEEDED: + case ICMP_PARAMETERPROB: + len -= (offsetof(struct icmphdr, un) + + sizeof(icmph->un.gateway)); + p = (char *)p + offsetof(struct icmphdr, un) + + sizeof(icmph->un.gateway); + /* TODO: will need to update icmph->checksum to reflect ip scrambling */ + /* a hack: call_parser(p, len, IPPROTO_IPIP); + * read ip_hdr_cksum_adj and update the checksum */ + icmph->checksum = 0; /* xxx for now, see above */ + return call_parser(p, len, IPPROTO_IPIP); /* OK if len < 0 */ + + default: + return PARSE_OK; + } + + return PARSE_OK; +} + +static parse_ret_t +parse_icmp6(void *p, int len, int proto) { + struct icmp6_hdr *icmp6h = (struct icmp6_hdr *)p; + + if (!do_scrambling) + return PARSE_OK; + + if (len <= offsetof(struct icmp6_hdr, icmp6_dataun)) + return PARSE_SHORT; /* nothing to hide here */ + + switch (icmp6h->icmp6_type) { + case ICMP6_DST_UNREACH: + case ICMP6_PACKET_TOO_BIG: + case ICMP6_TIME_EXCEEDED: + case ICMP6_PARAM_PROB: + len -= offsetof(struct icmp6_hdr, icmp6_dataun); + p = (char *)p + offsetof(struct icmp6_hdr, icmp6_dataun); + icmp6h->icmp6_cksum = 0; /* xxx for now */ + return call_parser(p, len, IPPROTO_IPV6); /* TODO: will have to adjust icmp6h->icmp6_cksum */ +#ifndef ND_NEIGHBOR_REDIRECT +#define ND_NEIGHBOR_REDIRECT 137 +#endif + case ND_NEIGHBOR_REDIRECT: + len -= offsetof(struct icmp6_hdr, icmp6_dataun); + assert(len >= 0); /* because of above */ + p = (char *)p + offsetof(struct icmp6_hdr, icmp6_dataun); + if (len < (int)sizeof(struct in6_addr)) { + memset(p, 0, len); + return PARSE_SHORT; + } + scramble_wlw_v6((struct in6_addr *)p, pass_bits6); + /* TODO: adjust icmp6h->icmp6_cksum */ + len -= sizeof(struct in6_addr); + p = (char *)p + sizeof(struct in6_addr); + /* FALLTHROUGH */ + case ND_NEIGHBOR_SOLICIT: + case ND_NEIGHBOR_ADVERT: + if (len < (int)sizeof(struct in6_addr)) { + memset(p, 0, len); + return PARSE_SHORT; + } + scramble_wlw_v6((struct in6_addr *)p, pass_bits6); + /* TODO: adjust icmp6h->icmp6_cksum */ + return PARSE_OK; +#ifndef ICMP6_ECHO_REQUEST +#define ICMP6_ECHO_REQUEST 128 +#endif +#ifndef ICMP6_ECHO_REPLY +#define ICMP6_ECHO_REPLY 129 +#endif + case ICMP6_ECHO_REQUEST: + case ICMP6_ECHO_REPLY: + if (len < offsetof(struct icmp6_hdr, icmp6_dataun)) + return PARSE_SHORT; + + /* TODO: adjust icmp6h->icmp6_cksum */ + icmp6h->icmp6_cksum = 0; /* xxx for now */ + + len -= sizeof(struct icmp6_hdr); + if (len > 0) { + parse_ret_t ret = { .chop_tail = len, .cond = PARSE_COND_OK }; + p = (char *)p + sizeof(struct icmp6_hdr); + memset(p, 0, len); + return ret; + } + return PARSE_SHORT; + + default: + error("unknown icmp6 type (0x%x)\n", icmp6h->icmp6_type); + return PARSE_OK; + } + return PARSE_OK; +} + +static parse_ret_t +parse_ipv6_opt(void *p, int len, int proto) { + struct ip6_ext *ext = (struct ip6_ext *)p; + int next_proto; + int optlen; + + if (len < (int)sizeof(struct ip6_ext)) { + warn("ipv6 option 0x%02x truncated1\n", proto); + return PARSE_SHORT; + } + next_proto = ext->ip6e_nxt; + optlen = (ext->ip6e_len + 1)*8; /* whole length */ + + switch (proto) { + case IPPROTO_HOPOPTS: + case IPPROTO_DSTOPTS: + { + int zlen = min(len, optlen) - (int)sizeof(struct ip6_ext); + if (zlen > 0) + memset(ext+1, 0, zlen); + /* it's OK if len < zlen */ + } + break; + case IPPROTO_ROUTING: + { + struct ip6_rthdr *rh = (struct ip6_rthdr *)p; + int zlen = min(len, optlen) - (int)sizeof(struct ip6_rthdr); + if (zlen > 0) + memset(rh+1, 0, zlen); + /* it's OK if len < zlen */ + } + break; + case IPPROTO_FRAGMENT: + optlen = sizeof(struct ip6_frag); /* fixed size */ + break; + default: + error("unknown ipv6 option: 0x%x\n", proto); + memset(p, 0, len); + return PARSE_ERROR; + } + len -= optlen; + if (len < 0) + return PARSE_SHORT; + + p = ext + 1; + p = (char*)p + optlen; + + return call_parser(p, len, next_proto); +} + +static parse_ret_t +parse_tcp(void *p, int len, int proto) { + parse_ret_t ret; + struct tcphdr *tcph = (struct tcphdr *)p; + char *data; + int datalen; + int tcphlen; + + if (len < (int)sizeof(struct tcphdr)) { + warn("tcp header truncated\n"); + return PARSE_SHORT; + } + + tcphlen = max(sizeof(struct tcphdr), (tcph->doff << 2)); + if (len < tcphlen) { + /* be quiet here */ + return PARSE_SHORT; + } + + datalen = len - tcphlen; + if (datalen > 0) { + /* wipe-out user's data */ + data = (char *)p + tcphlen; + cond_memset(data, 0, datalen); + /* removal of payload invalidates checksum, so + * don't bother to adjust */ + if (!keep_payload) tcph->check = 0; + } else { + /* OK, we rolled in all our adjustments into one + * static ip_hdr_cksum_adj. Now we need to + * add its inversion (or subtract itself). + */ + tcph->check = cksum_adjust(tcph->check, + ip_hdr_cksum_adj, 0); + + ip_hdr_cksum_adj = 0; /* not really needed */ + } + ret.cond = PARSE_COND_OK; + ret.chop_tail = datalen; + + return ret; +} + +static parse_ret_t +parse_udp(void *p, int len, int proto) { + parse_ret_t ret; + struct udphdr *udph = (struct udphdr *)p; + char *data; + int datalen; + + if (len < (int)sizeof(struct udphdr)) { + warn("udp header truncated\n"); + return PARSE_SHORT; + } + + datalen = len - (int)sizeof(struct udphdr); + data = (char *)p + sizeof(struct udphdr); + + if (datalen > 0) { + data = (char *)p + sizeof(struct udphdr); + cond_memset(data, 0, datalen); + /* removal of payload invalidates checksum, so + * don't bother to adjust */ + if (!keep_payload) udph->check = 0; + } else { + /* same as TCP: adjust for pseudo-header renumber */ + if (udph->check /* (checksum == 0) == no_check_sum */ + && ip_hdr_cksum_adj) { + udph->check = cksum_adjust(udph->check, + ip_hdr_cksum_adj, 0); + if (!udph->check) + udph->check = ~udph->check; + + ip_hdr_cksum_adj = 0; /* not really needed */ + } + } + + ret.cond = PARSE_COND_OK; + ret.chop_tail = datalen; + + return ret; +} + +static parse_ret_t +parse_esp(void *p, int len, int proto) { + parse_ret_t ret; + struct { + uint32_t spi; /* only keep these fields */ + uint32_t seqno; + /* variable length: payload data */ + /* variable length: padding */ + /* 8 bits: pad length */ + /* 8 bits: next header */ + /* variable length: auth data */ + } esp; + len -= (int)sizeof(esp); + if (len < 0) { + warn("esp header truncated\n"); + return PARSE_SHORT; + } + p = (char *)p + sizeof(esp); + + cond_memset(p, 0, len); + + ret.cond = PARSE_COND_OK; + ret.chop_tail = len; + + return ret; +} + +static parse_ret_t +parse_gre(void *p, int len, int proto) { + parse_ret_t ret; + struct { /* only keep these fields */ + uint16_t flags_version; + uint16_t protocol; + uint16_t cksum; /* or length in v1 */ + uint16_t offset; /* or callid in v1 */ + uint32_t key; /* or seqno in v1 */ + uint32_t seqno; /* or ackno in v1 */ + /* variable length: routing info */ + /* variable length: padding */ + /* 8 bits: pad length */ + /* 8 bits: next header */ + /* variable length: auth data */ + } gre; + len -= (int)sizeof(gre); + if (len < 0) { + warn("gre header truncated\n"); + return PARSE_SHORT; + } + p = (char *)p + sizeof(gre); + + cond_memset(p, 0, len); + + ret.cond = PARSE_COND_OK; + ret.chop_tail = len; + + return ret; +} + +static parse_ret_t +parse_ah(void *p, int len, int proto) { + parse_ret_t ret; + struct { /* only keep these fields */ + uint8_t nexthdr; + uint8_t length; + uint16_t zeros; + uint32_t spi; + uint32_t seqno; + /* variable length: auth data */ + } ah; + + len -= (int)sizeof(ah); + + if (len < 0) { + warn("ah header truncated\n"); + return PARSE_SHORT; + } + + p = (char *)p + sizeof(ah); + + cond_memset(p, 0, len); + + ret.cond = PARSE_COND_OK; + ret.chop_tail = len; + + return ret; +} + +static parse_ret_t +parse_zerowhole(void *p, int len, int proto) { + parse_ret_t ret; + if (len > 0) + cond_memset(p, 0, len); + else + len = 0; + + ret.cond = PARSE_COND_OK; + ret.chop_tail = len; + + return ret; +} + +static parse_ret_t +parse_nofurther(void *p, int len, int proto) { + /* silently return */ + return PARSE_OK; +} +#if 0 +static parse_ret_t +parse_unassigned(void *p, int len, int proto) { + + error("Unassigned proto %d\n", proto); + + /* don't scrub */ + return PARSE_OK; +} +#endif +static parse_ret_t +parse_defaulterr(void *p, int len, int proto) { + parse_ret_t ret; + + error("don't know how to parse proto %d\n", proto); + + if (len > 0) { + memset(p, 0, len); + } else { + len = 0; + } + ret.cond = PARSE_COND_ERROR; + ret.chop_tail = len; + + return ret; +} + +static void +init_filter(const char *filter_expr, struct bpf_program *fp, int snaplen, int pcap_dlt) +{ + int error; + pcap_t *cap = pcap_open_dead(pcap_dlt, snaplen); + if (cap == NULL) { + panic("pcap_open_dead(%d, %d) failed\n", pcap_dlt, snaplen); + } + if ((error = pcap_compile(cap, fp, filter_expr, 1 /*optimize*/, 0 /*mask*/)) < 0) { + panic("pcap compile error: %s\n", pcap_strerror(error)); + /* not reached */ + } + pcap_close(cap); + +} + +static int +run_filter(const struct bpf_program *fp, const void *pkt, int plen, int wlen) +{ + uint ret = bpf_filter(fp->bf_insns, (const u_char *)pkt, wlen, plen); + return (int) ret; +} + +static void +panic(const char *fmt, ...) +{ + va_list ap; + + (void)fprintf(stderr, "%s: panic: ", prog); + va_start(ap, fmt); + (void)vfprintf(stderr, fmt, ap); + va_end(ap); + exit(1); +} + +static void +warn(const char *fmt, ...) +{ + va_list ap; + if (!do_warnings) return; + + (void)fprintf(stderr, "%s: warning: ", prog); + va_start(ap, fmt); + (void)vfprintf(stderr, fmt, ap); + va_end(ap); +} + +static void +error(const char *fmt, ...) +{ + va_list ap; + + (void)fprintf(stderr, "%s: error: ", prog); + va_start(ap, fmt); + (void)vfprintf(stderr, fmt, ap); + va_end(ap); +} + +static void +build_pnat_tables(char *pnat) +{ + char *saveptr = NULL; + char *tok; + pnat_ip4_table_t *e4 = NULL; + pnat_ip6_table_t *e6 = NULL; + for (tok = strtok_r(pnat, ",", &saveptr); tok; tok = strtok_r(NULL, ",", &saveptr)) { + struct in_addr ip4_from, ip4_to; + struct in6_addr ip6_from, ip6_to; + char *from_ip, *to_ip; + char *sep = index(tok, '-'); + + if (sep == NULL) { + error("unparseable pnat mapping: %s missing `-` separator\n", tok); + exit(1); + } + *sep = '\0'; + from_ip = tok; + to_ip = sep+1; + if (inet_pton(AF_INET, from_ip, &ip4_from) == 1) { + //fprintf(stderr, "%s, %x\n", tok, ip4.s_addr); + if (inet_pton(AF_INET, to_ip, &ip4_to) != 1) { + error("cannot map ip4 (%s) to non-ip4 (%s)\n", from_ip, to_ip); + exit(1); + } + e4 = (pnat_ip4_table_t *)malloc(sizeof(*e4)); + e4->ip4_from = ip4_from.s_addr; + e4->ip4_to = ip4_to.s_addr; + e4->next = pnat_ip4_table; + pnat_ip4_table = e4; + continue; + } + if (inet_pton(AF_INET6, from_ip, &ip6_from) == 1) { + //fprintf(stderr, "%s, %x\n", tok, ip4.s_addr); + if (inet_pton(AF_INET6, to_ip, &ip6_to) != 1) { + error("cannot map ip6 (%s) to non-ip6 (%s)\n", from_ip, to_ip); + exit(1); + } + e6 = (pnat_ip6_table_t *)malloc(sizeof(*e6)); + e6->ip6_from = ip6_from; + e6->ip6_to = ip6_to; + e6->next = pnat_ip6_table; + pnat_ip6_table = e6; + continue; + } + } +} + +uint32_t +pnat_ip4(uint32_t ip, int unused) +{ + UNUSED(unused); + pnat_ip4_table_t *e4; + for (e4 = pnat_ip4_table; e4; e4=e4->next) { + if (e4->ip4_from == ip) { + return e4->ip4_to; + } + } + return ip; +} +void +pnat_ip6(struct in6_addr *input, int unused) +{ + UNUSED(unused); + pnat_ip6_table_t *e6; + for (e6 = pnat_ip6_table; e6; e6=e6->next) { + if (memcmp(&e6->ip6_from, input, sizeof(*input)) == 0) { + *input = e6->ip6_to; + return; + } + } +} + + +static char usgtxt[] = + "Usage: %s [OPTIONS] [ []]\n\n" + "Options are:\n" + " -F process only packets matching -expression\n" + " -L save freaky packets in the file \n" + " -M force monotonously increasing timestamps (may skip over packets)\n" + " -P use pcap for input/output (default)\n" + " -R try to repair busted files (will skip some bytes)\n" + " -S report extended stats at the end\n" + " -a parse ATM (not supported)\n" + " -c chop off scrubbed packet tails (to save space)\n" + " -n do not zero out payload for packets matching \n" + " -h this page\n" + " -l send log to (stderr by default)\n" + " -m enable mac-layer scrambling (depends on the keyfile)\n" + " -r reverse anonymization using key in -s\n" + " -s enable ip address scrambling using ; \n" + " is created if doesn't exist\n" + " -v preserve vlan tags (no scrambling)\n" + " --erf, --dag use ERF (DAG) format for input/output\n" + " --pass4= pass higher bits of ipv4 unchanged\n" + " --pass6= pass higher bits of ipv6 unchanged\n" + " --pnat= instead of scrambling use fixed substitutions, expr is comma separated list:\n" + " e.g. --pnat='1.2.3.4-2.3.4.5,1::-3::'\n" + " --no-scramble=, --dont-scramble=\n" + " do not scramble addresses that fall into the specified \n" + " prefixes in can be separated by commas, semicolons, or spaces\n" + " --nocksum do not attempt to adjust checksums\n" + " --verbose print all kinds of warnings\n" + " defaults to stdin\n" + " defaults to stdout, if filename is given and exists, will be appended to\n"; + +static void +usage(void) +{ + (void)fprintf(stderr, usgtxt, prog); + exit(0); +} diff --git a/dag_scrubber.spec.in b/dag_scrubber.spec.in new file mode 100644 index 0000000..31c762d --- /dev/null +++ b/dag_scrubber.spec.in @@ -0,0 +1,36 @@ +Summary: Scrub and NAT networking traces +Name: @PACKAGE_NAME@ +Version: @PACKAGE_VERSION@ +Release: @RELEASE@ +License: GPLv2 +Group: System Environment +Packager: yuri@isi.edu +BuildRequires: make gcc libpcap-devel openssl-devel +Requires: libpcap openssl +Source: dag_scrubber-%{version}.tar.gz +BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) +Url: https://ant.isi.edu/software/dag_scrubber + +%description + +Dag Scrubber is a tool for scrubbing packets of user data and optionally +doing IP address anonymization. It supports both pcap and ERF format +("dag", giving the legacy name). + +%prep +%setup -q + +%build +%configure --prefix=/usr +%{__make} + +%install +%{__rm} -rf %{buildroot} +make install DESTDIR=%{buildroot} INSTALLDIRS=vendor + +%clean +rm -rf %{buildroot} + +%files +%defattr(-, root, root, 0755) +%{_bindir}/dag_scrubber diff --git a/patricia.c b/patricia.c new file mode 100644 index 0000000..b2e949c --- /dev/null +++ b/patricia.c @@ -0,0 +1,1037 @@ +/* + * This file is part of Pytricia. + * Joel Sommers + * + * Pytricia is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Pytricia 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with Pytricia. If not, see . + */ + +/* + * $Id: patricia.c 6811 2009-07-06 20:41:10Z robin $ + * Dave Plonka + * + * This product includes software developed by the University of Michigan, + * Merit Network, Inc., and their contributors. + * + * This file had been called "radix.c" in the MRT sources. + * + * I renamed it to "patricia.c" since it's not an implementation of a general + * radix trie. Also I pulled in various requirements from "prefix.c" and + * "demo.c" so that it could be used as a standalone API. + */ + +/* From copyright.txt: + * + * Copyright (c) 1997, 1998, 1999 + * + * + * The Regents of the University of Michigan ("The Regents") and Merit Network, + * Inc. All rights reserved. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the + * following disclaimer in the documentation and/or other + * materials provided with the distribution. + * 3. All advertising materials mentioning features or use of + * this software must display the following acknowledgement: + * This product includes software developed by the University of Michigan, Merit + * Network, Inc., and their contributors. + * 4. Neither the name of the University, Merit Network, nor the + * names of their contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#define COPYRIGHT \ +"This product includes software developed by the University of Michigan, Merit "\ +"Network, Inc., and their contributors." + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#if defined(_WIN32) || defined(_WIN64) +#include +#include +#pragma comment(lib, "Ws2_32.lib") +#else +#include +#endif + +#include "patricia.h" + +#define Delete free + +/* { from prefix.c */ + +/* prefix_tochar + * convert prefix information to bytes + */ +u_char * +prefix_tochar (prefix_t * prefix) +{ + if (prefix == NULL) + return (NULL); + + return ((u_char *) & prefix->add.sin); +} + +int +comp_with_mask (void *addr, void *dest, u_int mask) +{ + + if ( /* mask/8 == 0 || */ memcmp (addr, dest, mask / 8) == 0) { + int n = mask / 8; + int m = ((-1) << (8 - (mask % 8))); + + if (mask % 8 == 0 || (((u_char *)addr)[n] & m) == (((u_char *)dest)[n] & m)) + return (1); + } + return (0); +} + + +/* this allows imcomplete prefix */ +int +my_inet_pton (int af, const char *src, void *dst) +{ + if (af == AF_INET) { + int i, c, val; + u_char xp[4] = {0, 0, 0, 0}; + + for (i = 0; ; i++) { + c = *src++; + if (!isdigit (c)) + return (-1); + val = 0; + do { + val = val * 10 + c - '0'; + if (val > 255) + return (0); + c = *src++; + } while (c && isdigit (c)); + xp[i] = val; + if (c == '\0') + break; + if (c != '.') + return (0); + if (i >= 3) + return (0); + } + memcpy (dst, xp, 4); + return (1); +#ifdef HAVE_IPV6 + } else if (af == AF_INET6) { + return (inet_pton (af, src, dst)); +#endif /* HAVE_IPV6 */ + } else { +#ifndef NT + errno = EAFNOSUPPORT; +#endif /* NT */ + return -1; + } +} + +/* + * convert prefix information to ascii string with length + * thread safe and (almost) re-entrant implementation + */ +char * +prefix_toa2x (prefix_t *prefix, char *buff, int with_len) +{ + if (prefix == NULL) + return ("(Null)"); + assert (prefix->ref_count >= 0); + if (buff == NULL) { + + struct buffer { + char buffs[16][48+5]; + u_int i; + } *buffp; + +# if 0 + THREAD_SPECIFIC_DATA (struct buffer, buffp, 1); +# else + { /* for scope only */ + static struct buffer local_buff; + buffp = &local_buff; + } +# endif + if (buffp == NULL) { + /* XXX should we report an error? */ + return (NULL); + } + + buff = buffp->buffs[buffp->i++%16]; + } + if (prefix->family == AF_INET) { + u_char *a; + assert (prefix->bitlen <= 32); + a = prefix_touchar (prefix); + if (with_len) { + snprintf (buff, 64, "%d.%d.%d.%d/%d", a[0], a[1], a[2], a[3], + prefix->bitlen); + } + else { + snprintf (buff, 64, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]); + } + return (buff); + } +#ifdef HAVE_IPV6 + else if (prefix->family == AF_INET6) { + char *r; + r = (char *) inet_ntop (AF_INET6, &prefix->add.sin6, buff, 48 /* a guess value */ ); + if (r && with_len) { + assert (prefix->bitlen <= 128); + snprintf (buff+strlen(buff), 64-strlen(buff), "/%d", prefix->bitlen); + } + return (buff); + } +#endif /* HAVE_IPV6 */ + else + return (NULL); +} + +/* prefix_toa2 + * convert prefix information to ascii string + */ +char * +prefix_toa2 (prefix_t *prefix, char *buff) +{ + return (prefix_toa2x (prefix, buff, 0)); +} + +/* prefix_toa + */ +char * +prefix_toa (prefix_t * prefix) +{ + return (prefix_toa2 (prefix, (char *) NULL)); +} + +prefix_t * +New_Prefix2 (int family, void *dest, int bitlen, prefix_t *prefix) +{ + int dynamic_allocated = 0; + int default_bitlen = 32; + +#ifdef HAVE_IPV6 + if (family == AF_INET6) { + default_bitlen = 128; + if (prefix == NULL) { + prefix = calloc(1, sizeof (prefix6_t)); + dynamic_allocated++; + } + memcpy (&prefix->add.sin6, dest, 16); + } + else +#endif /* HAVE_IPV6 */ + if (family == AF_INET) { + if (prefix == NULL) { +#ifndef NT + prefix = calloc(1, sizeof (prefix4_t)); +#else + //for some reason, compiler is getting + //prefix4_t size incorrect on NT + prefix = calloc(1, sizeof (prefix_t)); +#endif /* NT */ + + dynamic_allocated++; + } + memcpy (&prefix->add.sin, dest, 4); + } + else { + return (NULL); + } + + prefix->bitlen = (bitlen >= 0)? bitlen: default_bitlen; + prefix->family = family; + prefix->ref_count = 0; + if (dynamic_allocated) { + prefix->ref_count++; + } +/* fprintf(stderr, "[C %s, %d]\n", prefix_toa (prefix), prefix->ref_count); */ + return (prefix); +} + +prefix_t * +New_Prefix (int family, void *dest, int bitlen) +{ + return (New_Prefix2 (family, dest, bitlen, NULL)); +} + +/* ascii2prefix + */ +prefix_t * +ascii2prefix (int family, char *string) +{ + u_long bitlen = 0, maxbitlen = 0; + char *cp = NULL; + struct in_addr sin; +#ifdef HAVE_IPV6 + struct in6_addr sin6; +#endif /* HAVE_IPV6 */ + int result = 0; + char save[MAXLINE]; + + if (string == NULL) + return (NULL); + + /* easy way to handle both families */ + if (family == 0) { + family = AF_INET; +#ifdef HAVE_IPV6 + if (strchr (string, ':')) family = AF_INET6; +#endif /* HAVE_IPV6 */ + } + + if (family == AF_INET) { + maxbitlen = 32; + } +#ifdef HAVE_IPV6 + else if (family == AF_INET6) { + maxbitlen = 128; + } +#endif /* HAVE_IPV6 */ + + if ((cp = strchr (string, '/')) != NULL) { + bitlen = atol (cp + 1); + /* *cp = '\0'; */ + /* copy the string to save. Avoid destroying the string */ + assert (cp - string < MAXLINE); + memcpy (save, string, cp - string); + save[cp - string] = '\0'; + string = save; + if (bitlen > maxbitlen) + bitlen = maxbitlen; + } + + if (family == AF_INET) { + if ((result = my_inet_pton (AF_INET, string, &sin)) <= 0) + return (NULL); + return (New_Prefix (AF_INET, &sin, (int)bitlen)); + } + +#ifdef HAVE_IPV6 + else if (family == AF_INET6) { +// Get rid of this with next IPv6 upgrade +#if defined(NT) && !defined(HAVE_INET_NTOP) + inet6_addr(string, &sin6); + return (New_Prefix (AF_INET6, &sin6, (int)bitlen)); +#else + if ((result = inet_pton (AF_INET6, string, &sin6)) <= 0) + return (NULL); +#endif /* NT */ + return (New_Prefix (AF_INET6, &sin6, (int)bitlen)); + } +#endif /* HAVE_IPV6 */ + else + return (NULL); +} + +prefix_t * +Ref_Prefix (prefix_t * prefix) +{ + if (prefix == NULL) + return (NULL); + if (prefix->ref_count == 0) { + /* make a copy in case of a static prefix */ + return (New_Prefix2 (prefix->family, &prefix->add, prefix->bitlen, NULL)); + } + prefix->ref_count++; +/* fprintf(stderr, "[A %s, %d]\n", prefix_toa (prefix), prefix->ref_count); */ + return (prefix); +} + +void +Deref_Prefix (prefix_t * prefix) +{ + if (prefix == NULL) + return; + /* for secure programming, raise an assert. no static prefix can call this */ + assert (prefix->ref_count > 0); + + prefix->ref_count--; + assert (prefix->ref_count >= 0); + if (prefix->ref_count <= 0) { + Delete (prefix); + return; + } +} + +/* } */ + +/* #define PATRICIA_DEBUG 1 */ + +static int num_active_patricia = 0; + +/* these routines support continuous mask only */ + +patricia_tree_t * +New_Patricia (int maxbits) +{ + patricia_tree_t *patricia = calloc(1, sizeof *patricia); + + patricia->maxbits = maxbits; + patricia->head = NULL; + patricia->num_active_node = 0; + assert (maxbits <= PATRICIA_MAXBITS); /* XXX */ + num_active_patricia++; + return (patricia); +} + + +/* + * if func is supplied, it will be called as func(node->data) + * before deleting the node + */ + +void +Clear_Patricia (patricia_tree_t *patricia, void_fn1_t func) +{ + assert (patricia); + if (patricia->head) { + + patricia_node_t *Xstack[PATRICIA_MAXBITS+1]; + patricia_node_t **Xsp = Xstack; + patricia_node_t *Xrn = patricia->head; + + while (Xrn) { + patricia_node_t *l = Xrn->l; + patricia_node_t *r = Xrn->r; + + if (Xrn->prefix) { + Deref_Prefix (Xrn->prefix); + if (Xrn->data && func) + func (Xrn->data); + } + else { + assert (Xrn->data == NULL); + } + Delete (Xrn); + patricia->num_active_node--; + + if (l) { + if (r) { + *Xsp++ = r; + } + Xrn = l; + } else if (r) { + Xrn = r; + } else if (Xsp != Xstack) { + Xrn = *(--Xsp); + } else { + Xrn = (patricia_node_t *) 0; + } + } + } + assert (patricia->num_active_node == 0); + /* Delete (patricia); */ +} + + +void +Destroy_Patricia (patricia_tree_t *patricia, void_fn1_t func) +{ + Clear_Patricia (patricia, func); + Delete (patricia); + num_active_patricia--; +} + + +/* + * if func is supplied, it will be called as func(node->prefix, node->data) + */ + +void +patricia_process (patricia_tree_t *patricia, void_fn2_t func) +{ + patricia_node_t *node; + assert (func); + + PATRICIA_WALK (patricia->head, node) { + func (node->prefix, node->data); + } PATRICIA_WALK_END; +} + + +patricia_node_t * +patricia_search_exact (patricia_tree_t *patricia, prefix_t *prefix) +{ + patricia_node_t *node; + u_char *addr; + u_int bitlen; + + assert (patricia); + assert (prefix); + assert (prefix->bitlen <= patricia->maxbits); + + if (patricia->head == NULL) + return (NULL); + + node = patricia->head; + addr = prefix_touchar (prefix); + bitlen = prefix->bitlen; + + while (node->bit < bitlen) { + + if (BIT_TEST (addr[node->bit >> 3], 0x80 >> (node->bit & 0x07))) { +#ifdef PATRICIA_DEBUG + if (node->prefix) + fprintf (stderr, "patricia_search_exact: take right %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); + else + fprintf (stderr, "patricia_search_exact: take right at %d\n", + node->bit); +#endif /* PATRICIA_DEBUG */ + node = node->r; + } + else { +#ifdef PATRICIA_DEBUG + if (node->prefix) + fprintf (stderr, "patricia_search_exact: take left %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); + else + fprintf (stderr, "patricia_search_exact: take left at %d\n", + node->bit); +#endif /* PATRICIA_DEBUG */ + node = node->l; + } + + if (node == NULL) + return (NULL); + } + +#ifdef PATRICIA_DEBUG + if (node->prefix) + fprintf (stderr, "patricia_search_exact: stop at %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); + else + fprintf (stderr, "patricia_search_exact: stop at %d\n", node->bit); +#endif /* PATRICIA_DEBUG */ + if (node->bit > bitlen || node->prefix == NULL) + return (NULL); + assert (node->bit == bitlen); + assert (node->bit == node->prefix->bitlen); + if (comp_with_mask (prefix_tochar (node->prefix), prefix_tochar (prefix), + bitlen)) { +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_search_exact: found %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + return (node); + } + return (NULL); +} + + +/* if inclusive != 0, "best" may be the given prefix itself */ +patricia_node_t * +patricia_search_best2 (patricia_tree_t *patricia, prefix_t *prefix, int inclusive) +{ + patricia_node_t *node; + patricia_node_t *stack[PATRICIA_MAXBITS + 1]; + u_char *addr; + u_int bitlen; + int cnt = 0; + + assert (patricia); + assert (prefix); + assert (prefix->bitlen <= patricia->maxbits); + + if (patricia->head == NULL) + return (NULL); + + node = patricia->head; + addr = prefix_touchar (prefix); + bitlen = prefix->bitlen; + + while (node->bit < bitlen) { + + if (node->prefix) { +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_search_best: push %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + stack[cnt++] = node; + } + + if (BIT_TEST (addr[node->bit >> 3], 0x80 >> (node->bit & 0x07))) { +#ifdef PATRICIA_DEBUG + if (node->prefix) + fprintf (stderr, "patricia_search_best: take right %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); + else + fprintf (stderr, "patricia_search_best: take right at %d\n", + node->bit); +#endif /* PATRICIA_DEBUG */ + node = node->r; + } + else { +#ifdef PATRICIA_DEBUG + if (node->prefix) + fprintf (stderr, "patricia_search_best: take left %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); + else + fprintf (stderr, "patricia_search_best: take left at %d\n", + node->bit); +#endif /* PATRICIA_DEBUG */ + node = node->l; + } + + if (node == NULL) + break; + } + + if (inclusive && node && node->prefix && node->bit <= bitlen) + stack[cnt++] = node; + +#ifdef PATRICIA_DEBUG + if (node == NULL) + fprintf (stderr, "patricia_search_best: stop at null\n"); + else if (node->prefix) + fprintf (stderr, "patricia_search_best: stop at %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); + else + fprintf (stderr, "patricia_search_best: stop at %d\n", node->bit); +#endif /* PATRICIA_DEBUG */ + + if (cnt <= 0) + return (NULL); + + while (--cnt >= 0) { + node = stack[cnt]; +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_search_best: pop %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + if (comp_with_mask (prefix_tochar (node->prefix), + prefix_tochar (prefix), + node->prefix->bitlen)) { +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_search_best: found %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + return (node); + } + } + return (NULL); +} + + +patricia_node_t * +patricia_search_best (patricia_tree_t *patricia, prefix_t *prefix) +{ + return (patricia_search_best2 (patricia, prefix, 1)); +} + + +patricia_node_t * +patricia_lookup (patricia_tree_t *patricia, prefix_t *prefix) +{ + patricia_node_t *node, *new_node, *parent, *glue; + u_char *addr, *test_addr; + u_int bitlen, check_bit, differ_bit; + u_int i; + int j, r; + + assert (patricia); + assert (prefix); + assert (prefix->bitlen <= patricia->maxbits); + + if (patricia->head == NULL) { + node = calloc(1, sizeof *node); + node->bit = prefix->bitlen; + node->prefix = Ref_Prefix (prefix); + node->parent = NULL; + node->l = node->r = NULL; + node->data = NULL; + patricia->head = node; +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_lookup: new_node #0 %s/%d (head)\n", + prefix_toa (prefix), prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + patricia->num_active_node++; + return (node); + } + + addr = prefix_touchar (prefix); + bitlen = prefix->bitlen; + node = patricia->head; + + while (node->bit < bitlen || node->prefix == NULL) { + + if (node->bit < patricia->maxbits && + BIT_TEST (addr[node->bit >> 3], 0x80 >> (node->bit & 0x07))) { + if (node->r == NULL) + break; +#ifdef PATRICIA_DEBUG + if (node->prefix) + fprintf (stderr, "patricia_lookup: take right %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); + else + fprintf (stderr, "patricia_lookup: take right at %d\n", node->bit); +#endif /* PATRICIA_DEBUG */ + node = node->r; + } + else { + if (node->l == NULL) + break; +#ifdef PATRICIA_DEBUG + if (node->prefix) + fprintf (stderr, "patricia_lookup: take left %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); + else + fprintf (stderr, "patricia_lookup: take left at %d\n", node->bit); +#endif /* PATRICIA_DEBUG */ + node = node->l; + } + + assert (node); + } + + assert (node->prefix); +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_lookup: stop at %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + + test_addr = prefix_touchar (node->prefix); + /* find the first bit different */ + check_bit = (node->bit < bitlen)? node->bit: bitlen; + differ_bit = 0; + for (i = 0; i*8 < check_bit; i++) { + if ((r = (addr[i] ^ test_addr[i])) == 0) { + differ_bit = (i + 1) * 8; + continue; + } + /* I know the better way, but for now */ + for (j = 0; j < 8; j++) { + if (BIT_TEST (r, (0x80 >> j))) + break; + } + /* must be found */ + assert (j < 8); + differ_bit = i * 8 + j; + break; + } + if (differ_bit > check_bit) + differ_bit = check_bit; +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_lookup: differ_bit %d\n", differ_bit); +#endif /* PATRICIA_DEBUG */ + + parent = node->parent; + while (parent && parent->bit >= differ_bit) { + node = parent; + parent = node->parent; +#ifdef PATRICIA_DEBUG + if (node->prefix) + fprintf (stderr, "patricia_lookup: up to %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); + else + fprintf (stderr, "patricia_lookup: up to %d\n", node->bit); +#endif /* PATRICIA_DEBUG */ + } + + if (differ_bit == bitlen && node->bit == bitlen) { + if (node->prefix) { +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_lookup: found %s/%d\n", + prefix_toa (node->prefix), node->prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + return (node); + } + node->prefix = Ref_Prefix (prefix); +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_lookup: new node #1 %s/%d (glue mod)\n", + prefix_toa (prefix), prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + assert (node->data == NULL); + return (node); + } + + new_node = calloc(1, sizeof *new_node); + new_node->bit = prefix->bitlen; + new_node->prefix = Ref_Prefix (prefix); + new_node->parent = NULL; + new_node->l = new_node->r = NULL; + new_node->data = NULL; + patricia->num_active_node++; + + if (node->bit == differ_bit) { + new_node->parent = node; + if (node->bit < patricia->maxbits && + BIT_TEST (addr[node->bit >> 3], 0x80 >> (node->bit & 0x07))) { + assert (node->r == NULL); + node->r = new_node; + } + else { + assert (node->l == NULL); + node->l = new_node; + } +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_lookup: new_node #2 %s/%d (child)\n", + prefix_toa (prefix), prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + return (new_node); + } + + if (bitlen == differ_bit) { + if (bitlen < patricia->maxbits && + BIT_TEST (test_addr[bitlen >> 3], 0x80 >> (bitlen & 0x07))) { + new_node->r = node; + } + else { + new_node->l = node; + } + new_node->parent = node->parent; + if (node->parent == NULL) { + assert (patricia->head == node); + patricia->head = new_node; + } + else if (node->parent->r == node) { + node->parent->r = new_node; + } + else { + node->parent->l = new_node; + } + node->parent = new_node; +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_lookup: new_node #3 %s/%d (parent)\n", + prefix_toa (prefix), prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + } + else { + glue = calloc(1, sizeof *glue); + glue->bit = differ_bit; + glue->prefix = NULL; + glue->parent = node->parent; + glue->data = NULL; + patricia->num_active_node++; + if (differ_bit < patricia->maxbits && + BIT_TEST (addr[differ_bit >> 3], 0x80 >> (differ_bit & 0x07))) { + glue->r = new_node; + glue->l = node; + } + else { + glue->r = node; + glue->l = new_node; + } + new_node->parent = glue; + + if (node->parent == NULL) { + assert (patricia->head == node); + patricia->head = glue; + } + else if (node->parent->r == node) { + node->parent->r = glue; + } + else { + node->parent->l = glue; + } + node->parent = glue; +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_lookup: new_node #4 %s/%d (glue+node)\n", + prefix_toa (prefix), prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + } + return (new_node); +} + + +void +patricia_remove (patricia_tree_t *patricia, patricia_node_t *node) +{ + patricia_node_t *parent, *child; + + assert (patricia); + assert (node); + + if (node->r && node->l) { +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_remove: #0 %s/%d (r & l)\n", + prefix_toa (node->prefix), node->prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + + /* this might be a placeholder node -- have to check and make sure + * there is a prefix aossciated with it ! */ + if (node->prefix != NULL) + Deref_Prefix (node->prefix); + node->prefix = NULL; + /* Also I needed to clear data pointer -- masaki */ + node->data = NULL; + return; + } + + if (node->r == NULL && node->l == NULL) { +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_remove: #1 %s/%d (!r & !l)\n", + prefix_toa (node->prefix), node->prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + parent = node->parent; + Deref_Prefix (node->prefix); + Delete (node); + patricia->num_active_node--; + + if (parent == NULL) { + assert (patricia->head == node); + patricia->head = NULL; + return; + } + + if (parent->r == node) { + parent->r = NULL; + child = parent->l; + } + else { + assert (parent->l == node); + parent->l = NULL; + child = parent->r; + } + + if (parent->prefix) + return; + + /* we need to remove parent too */ + + if (parent->parent == NULL) { + assert (patricia->head == parent); + patricia->head = child; + } + else if (parent->parent->r == parent) { + parent->parent->r = child; + } + else { + assert (parent->parent->l == parent); + parent->parent->l = child; + } + child->parent = parent->parent; + Delete (parent); + patricia->num_active_node--; + return; + } + +#ifdef PATRICIA_DEBUG + fprintf (stderr, "patricia_remove: #2 %s/%d (r ^ l)\n", + prefix_toa (node->prefix), node->prefix->bitlen); +#endif /* PATRICIA_DEBUG */ + if (node->r) { + child = node->r; + } + else { + assert (node->l); + child = node->l; + } + parent = node->parent; + child->parent = parent; + + Deref_Prefix (node->prefix); + Delete (node); + patricia->num_active_node--; + + if (parent == NULL) { + assert (patricia->head == node); + patricia->head = child; + return; + } + + if (parent->r == node) { + parent->r = child; + } + else { + assert (parent->l == node); + parent->l = child; + } +} + +/* { from demo.c */ + +patricia_node_t * +make_and_lookup (patricia_tree_t *tree, char *string) +{ + prefix_t *prefix; + patricia_node_t *node; + + prefix = ascii2prefix (AF_INET, string); + // printf ("make_and_lookup: %s/%d\n", prefix_toa (prefix), prefix->bitlen); + node = patricia_lookup (tree, prefix); + Deref_Prefix (prefix); + return (node); +} + +patricia_node_t * +try_search_exact (patricia_tree_t *tree, char *string) +{ + prefix_t *prefix; + patricia_node_t *node; + + prefix = ascii2prefix (AF_INET, string); + printf ("try_search_exact: %s/%d\n", prefix_toa (prefix), prefix->bitlen); + if ((node = patricia_search_exact (tree, prefix)) == NULL) { + printf ("try_search_exact: not found\n"); + } + else { + printf ("try_search_exact: %s/%d found\n", + prefix_toa (node->prefix), node->prefix->bitlen); + } + Deref_Prefix (prefix); + return (node); +} + +void +lookup_then_remove (patricia_tree_t *tree, char *string) +{ + patricia_node_t *node; + + if ((node = try_search_exact (tree, string))) + patricia_remove (tree, node); +} + +patricia_node_t * +try_search_best (patricia_tree_t *tree, char *string) +{ + prefix_t *prefix; + patricia_node_t *node; + + prefix = ascii2prefix (AF_INET, string); + printf ("try_search_best: %s/%d\n", prefix_toa (prefix), prefix->bitlen); + if ((node = patricia_search_best (tree, prefix)) == NULL) + printf ("try_search_best: not found\n"); + else + printf ("try_search_best: %s/%d found\n", + prefix_toa (node->prefix), node->prefix->bitlen); + Deref_Prefix (prefix); + return 0; // [RS] What is supposed to be returned here? + } + +/* } */ diff --git a/patricia.h b/patricia.h new file mode 100644 index 0000000..7597248 --- /dev/null +++ b/patricia.h @@ -0,0 +1,218 @@ +/* + * This file is part of Pytricia. + * Joel Sommers + * + * Pytricia is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Pytricia 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with Pytricia. If not, see . + */ + +/* + * $Id: patricia.h 6811 2009-07-06 20:41:10Z robin $ + * Dave Plonka + * + * This product includes software developed by the University of Michigan, + * Merit Network, Inc., and their contributors. + * + * This file had been called "radix.h" in the MRT sources. + * + * I renamed it to "patricia.h" since it's not an implementation of a general + * radix trie. Also, pulled in various requirements from "mrt.h" and added + * some other things it could be used as a standalone API. + */ + +/* From copyright.txt: + * + * Copyright (c) 1997, 1998, 1999 + * + * + * The Regents of the University of Michigan ("The Regents") and Merit Network, + * Inc. All rights reserved. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the + * following disclaimer in the documentation and/or other + * materials provided with the distribution. + * 3. All advertising materials mentioning features or use of + * this software must display the following acknowledgement: + * This product includes software developed by the University of Michigan, Merit + * Network, Inc., and their contributors. + * 4. Neither the name of the University, Merit Network, nor the + * names of their contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _PATRICIA_H +#define _PATRICIA_H + +#include + +#define HAVE_IPV6 1 // JS: force use of ip6 + + +/* { from defs.h */ +#define prefix_touchar(prefix) ((u_char *)&(prefix)->add.sin) +#define MAXLINE 1024 +#define BIT_TEST(f, b) ((f) & (b)) +/* } */ + +#define addroute make_and_lookup + +#if defined(_WIN32) || defined(_WIN64) +#include +#include +#pragma comment(lib, "Ws2_32.lib") +#else +#include +#include +#endif + +/* { from mrt.h */ + +typedef struct _prefix4_t { + u_short family; + u_short bitlen; + int ref_count; + struct in_addr sin; +} prefix4_t; + +typedef struct _prefix6_t { + u_short family; + u_short bitlen; + int ref_count; + struct in6_addr sin6; +} prefix6_t; + +typedef struct _prefix_t { + u_short family; + u_short bitlen; + int ref_count; + union { + struct in_addr sin; +#ifdef HAVE_IPV6 + struct in6_addr sin6; +#endif /* IPV6 */ + } add; +} prefix_t; + +/* } */ + +/* typedef unsigned int u_int; */ +typedef void (*void_fn1_t)(void *); +typedef void (*void_fn2_t)(struct _prefix_t *, void *); + +typedef struct _patricia_node_t { + u_int bit; + prefix_t *prefix; + struct _patricia_node_t *l, *r; + struct _patricia_node_t *parent; + void *data; + void *user1; +} patricia_node_t; + +typedef struct _patricia_tree_t { + patricia_node_t *head; + u_int maxbits; + int num_active_node; +} patricia_tree_t; + + +patricia_node_t *patricia_search_exact (patricia_tree_t *patricia, prefix_t *prefix); +patricia_node_t *patricia_search_best (patricia_tree_t *patricia, prefix_t *prefix); +patricia_node_t * patricia_search_best2 (patricia_tree_t *patricia, prefix_t *prefix, + int inclusive); +patricia_node_t *patricia_lookup (patricia_tree_t *patricia, prefix_t *prefix); +void patricia_remove (patricia_tree_t *patricia, patricia_node_t *node); +patricia_tree_t *New_Patricia (int maxbits); +void Clear_Patricia (patricia_tree_t *patricia, void_fn1_t func); +void Destroy_Patricia (patricia_tree_t *patricia, void_fn1_t func); +void patricia_process (patricia_tree_t *patricia, void_fn2_t func); + +void Deref_Prefix (prefix_t * prefix); +prefix_t * New_Prefix(int, void *, int); + +/* { from demo.c */ + +prefix_t * +ascii2prefix (int family, char *string); + +char * +prefix_toa2x(prefix_t *prefix, char *buff, int with_len); + +patricia_node_t * +make_and_lookup (patricia_tree_t *tree, char *string); + +/* } */ + +#define PATRICIA_MAXBITS 128 +#define PATRICIA_NBIT(x) (0x80 >> ((x) & 0x7f)) +#define PATRICIA_NBYTE(x) ((x) >> 3) + +#define PATRICIA_DATA_GET(node, type) (type *)((node)->data) +#define PATRICIA_DATA_SET(node, value) ((node)->data = (void *)(value)) + +#define PATRICIA_WALK(Xhead, Xnode) \ + do { \ + patricia_node_t *Xstack[PATRICIA_MAXBITS+1]; \ + patricia_node_t **Xsp = Xstack; \ + patricia_node_t *Xrn = (Xhead); \ + while ((Xnode = Xrn)) { \ + if (Xnode->prefix) + +#define PATRICIA_WALK_ALL(Xhead, Xnode) \ +do { \ + patricia_node_t *Xstack[PATRICIA_MAXBITS+1]; \ + patricia_node_t **Xsp = Xstack; \ + patricia_node_t *Xrn = (Xhead); \ + while ((Xnode = Xrn)) { \ + if (1) + +#define PATRICIA_WALK_BREAK { \ + if (Xsp != Xstack) { \ + Xrn = *(--Xsp); \ + } else { \ + Xrn = (patricia_node_t *) 0; \ + } \ + continue; } + +#define PATRICIA_WALK_END \ + if (Xrn->l) { \ + if (Xrn->r) { \ + *Xsp++ = Xrn->r; \ + } \ + Xrn = Xrn->l; \ + } else if (Xrn->r) { \ + Xrn = Xrn->r; \ + } else if (Xsp != Xstack) { \ + Xrn = *(--Xsp); \ + } else { \ + Xrn = (patricia_node_t *) 0; \ + } \ + } \ + } while (0) + +#endif /* _PATRICIA_H */ diff --git a/scramble_wlw.c b/scramble_wlw.c new file mode 100644 index 0000000..ac52718 --- /dev/null +++ b/scramble_wlw.c @@ -0,0 +1,115 @@ +#include "scramble_wlw.h" +#include "patricia.h" +#include +#include +#include +#include + +#define PREFIX_DELIMITER ",; " + +static patricia_tree_t *tree4 = NULL; +static patricia_tree_t *tree6 = NULL; +static prefix_t lookup_pfix4; +static prefix_t lookup_pfix6; +static scrambler_ip4_t _scrambler_ip4 = NULL; +static scrambler_ip6_t _scrambler_ip6 = NULL; + + +static inline int +scramble_wlw_lookup_addr4(const struct in_addr *sin) { + if (tree4 == NULL) + return 0; + memcpy(&lookup_pfix4.add.sin, sin, sizeof(*sin)); + return (patricia_search_best2(tree4, &lookup_pfix4, 1) != NULL); +} + +static inline int +scramble_wlw_lookup_addr6(const struct in6_addr *sin6) { + if (tree6 == NULL) + return 0; + memcpy(&lookup_pfix6.add.sin6, sin6, sizeof(*sin6)); + return (patricia_search_best2(tree6, &lookup_pfix6, 1) != NULL); +} + +/* Init white list wrapper. Can be called again to add wl-state. + * prefix_wlist is a list of ip4 and ip6 prefixes, separated by + * one of the PREFIX_DELIMITER + * s4 is an ipv4 address scrambler + * s6 is an ipv6 address scrambler + */ +void +scramble_wlw_init(const char *prefix_wlist, scrambler_ip4_t s4, scrambler_ip6_t s6) { + char *plist = strdup(prefix_wlist), *cp; + int afam, bits; + patricia_tree_t **tree; + + _scrambler_ip4 = s4; + _scrambler_ip6 = s6; + + for (cp = strtok(plist, PREFIX_DELIMITER); cp != NULL; cp = strtok(NULL, PREFIX_DELIMITER)) { + if (index(cp, ':') == NULL) { + tree = &tree4; + afam = AF_INET; + bits = 32; + } else { + tree = &tree6; + afam = AF_INET6; + bits = 128; + } + prefix_t *pref = ascii2prefix(afam, cp); + if (pref == NULL) { + fprintf(stderr, "ERROR: can't parse prefix %s\n", cp); + exit(1); + } + if (index(cp, '/') == NULL) { + pref->bitlen = bits; + } + if (*tree == NULL) { + *tree = New_Patricia(bits); + } + patricia_lookup(*tree, pref); + Deref_Prefix(pref); + } + lookup_pfix4.family = AF_INET; + lookup_pfix4.bitlen = 32; + lookup_pfix4.ref_count = 0; + + lookup_pfix6.family = AF_INET6; + lookup_pfix6.bitlen = 128; + lookup_pfix6.ref_count = 0; +} + +/* Clear state */ +void +scramble_wlw_clear() { + if (tree4) { + Destroy_Patricia(tree4, NULL); + tree4 = NULL; + } + if (tree6) { + Destroy_Patricia(tree6, NULL); + tree6 = NULL; + } +} + + +uint32_t +scramble_wlw_v4(uint32_t oldsrc, int pass_bits) { + struct in_addr sin; + if (tree4) { + sin.s_addr = oldsrc; + if (scramble_wlw_lookup_addr4(&sin)) + return oldsrc; /* whitelisted */ + } + return _scrambler_ip4(oldsrc, pass_bits); +} + +void +scramble_wlw_v6(struct in6_addr *sin6, int pass_bits) { + if (tree6) { + if (scramble_wlw_lookup_addr6(sin6)) + return; /* whitelisted */ + } + _scrambler_ip6(sin6, pass_bits); +} + diff --git a/scramble_wlw.h b/scramble_wlw.h new file mode 100644 index 0000000..099d271 --- /dev/null +++ b/scramble_wlw.h @@ -0,0 +1,16 @@ +#ifndef _SCRAMBLE_WLW_H_ +#define _SCRAMBLE_WLW_H_ + +#include +#include + +typedef uint32_t (*scrambler_ip4_t)(uint32_t, int); +typedef void (*scrambler_ip6_t)(struct in6_addr *, int); + +void scramble_wlw_init(const char *, scrambler_ip4_t s4, scrambler_ip6_t); +void scramble_wlw_clear(); + +uint32_t scramble_wlw_v4(uint32_t, int); +void scramble_wlw_v6(struct in6_addr *, int); + +#endif /* _SCRAMBLE_WLW_H */ -- cgit v1.2.3