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|
{ stdenv, stdenvNoCC, fetchFromGitHub, callPackage, makeWrapper
, clang, llvm, gcc, which, libcgroup, python, perl, gmp
, file, wine ? null, fetchpatch
}:
# wine fuzzing is only known to work for win32 binaries, and using a mixture of
# 32 and 64-bit libraries ... complicates things, so it's recommended to build
# a full 32bit version of this package if you want to do wine fuzzing
assert (wine != null) -> (stdenv.targetPlatform.system == "i686-linux");
let
aflplusplus-qemu = callPackage ./qemu.nix { inherit aflplusplus; };
qemu-exe-name = if stdenv.targetPlatform.system == "x86_64-linux" then "qemu-x86_64"
else if stdenv.targetPlatform.system == "i686-linux" then "qemu-i386"
else throw "aflplusplus: no support for ${stdenv.targetPlatform.system}!";
libdislocator = callPackage ./libdislocator.nix { inherit aflplusplus; };
libtokencap = callPackage ./libtokencap.nix { inherit aflplusplus; };
aflplusplus = stdenvNoCC.mkDerivation rec {
pname = "aflplusplus";
version = "2.65c";
src = fetchFromGitHub {
owner = "AFLplusplus";
repo = "AFLplusplus";
rev = version;
sha256 = "1np2a3kypb2m8nyv6qnij18yzn41pl8619jzydci40br4vxial9l";
};
enableParallelBuilding = true;
# Note: libcgroup isn't needed for building, just for the afl-cgroup
# script.
nativeBuildInputs = [ makeWrapper which clang gcc ];
buildInputs = [ llvm python gmp ]
++ stdenv.lib.optional (wine != null) python.pkgs.wrapPython;
postPatch = ''
# Replace the CLANG_BIN variables with the correct path
substituteInPlace llvm_mode/afl-clang-fast.c \
--replace "CLANGPP_BIN" '"${clang}/bin/clang++"' \
--replace "CLANG_BIN" '"${clang}/bin/clang"' \
--replace 'getenv("AFL_PATH")' "(getenv(\"AFL_PATH\") ? getenv(\"AFL_PATH\") : \"$out/lib/afl\")"
# Replace "gcc" and friends with full paths in afl-gcc
# Prevents afl-gcc picking up any (possibly incorrect) gcc from the path
substituteInPlace src/afl-gcc.c \
--replace '"gcc"' '"${gcc}/bin/gcc"' \
--replace '"g++"' '"${gcc}/bin/g++"' \
--replace '"gcj"' '"gcj-UNSUPPORTED"' \
--replace '"clang"' '"clang-UNSUPPORTED"' \
--replace '"clang++"' '"clang++-UNSUPPORTED"'
'';
makeFlags = [ "PREFIX=$(out)" ];
buildPhase = ''
common="$makeFlags -j$NIX_BUILD_CORES"
make all $common
make radamsa $common
make -C gcc_plugin CC=${gcc}/bin/gcc CXX=${gcc}/bin/g++ $common
make -C llvm_mode $common
make -C qemu_mode/libcompcov $common
make -C qemu_mode/unsigaction $common
'';
postInstall = ''
# remove afl-clang(++) which are just symlinks to afl-clang-fast
rm $out/bin/afl-clang $out/bin/afl-clang++
# the makefile neglects to install unsigaction
cp qemu_mode/unsigaction/unsigaction*.so $out/lib/afl/
# Install the custom QEMU emulator for binary blob fuzzing.
cp ${aflplusplus-qemu}/bin/${qemu-exe-name} $out/bin/afl-qemu-trace
# give user a convenient way of accessing libcompconv.so, libdislocator.so, libtokencap.so
cat > $out/bin/get-afl-qemu-libcompcov-so <<END
#!${stdenv.shell}
echo $out/lib/afl/libcompcov.so
END
chmod +x $out/bin/get-afl-qemu-libcompcov-so
cp ${libdislocator}/bin/get-libdislocator-so $out/bin/
cp ${libtokencap}/bin/get-libtokencap-so $out/bin/
# Install the cgroups wrapper for asan-based fuzzing.
cp examples/asan_cgroups/limit_memory.sh $out/bin/afl-cgroup
chmod +x $out/bin/afl-cgroup
substituteInPlace $out/bin/afl-cgroup \
--replace "cgcreate" "${libcgroup}/bin/cgcreate" \
--replace "cgexec" "${libcgroup}/bin/cgexec" \
--replace "cgdelete" "${libcgroup}/bin/cgdelete"
patchShebangs $out/bin
'' + stdenv.lib.optionalString (wine != null) ''
substitute afl-wine-trace $out/bin/afl-wine-trace \
--replace "qemu_mode/unsigaction" "$out/lib/afl"
chmod +x $out/bin/afl-wine-trace
# qemu needs to be fed ELFs, not wrapper scripts, so we have to cheat a bit if we
# detect a wrapped wine
for winePath in ${wine}/bin/.wine ${wine}/bin/wine; do
if [ -x $winePath ]; then break; fi
done
makeWrapperArgs="--set-default 'AFL_WINE_PATH' '$winePath'" \
wrapPythonProgramsIn $out/bin ${python.pkgs.pefile}
'';
installCheckInputs = [ perl file ];
doInstallCheck = true;
installCheckPhase = ''
# replace references to tools in build directory with references to installed locations
substituteInPlace test/test.sh \
--replace '../libcompcov.so' '`$out/bin/get-afl-qemu-libcompcov-so`' \
--replace '../libdislocator.so' '`$out/bin/get-libdislocator-so`' \
--replace '../libtokencap.so' '`$out/bin/get-libtokencap-so`'
perl -pi -e 's|(?<!\.)(?<!-I)(\.\./)([^\s\/]+?)(?<!\.c)(?<!\.s?o)(?=\s)|\$out/bin/\2|g' test/test.sh
cd test && ./test.sh
'';
passthru = {
inherit libdislocator libtokencap;
qemu = aflplusplus-qemu;
};
meta = {
description = ''
AFL++ is a heavily enhanced version of AFL, incorporating many features and
improvements from the community.
'';
homepage = "https://aflplus.plus";
license = stdenv.lib.licenses.asl20;
platforms = ["x86_64-linux" "i686-linux"];
maintainers = with stdenv.lib.maintainers; [ ris mindavi ];
};
};
in aflplusplus
|