95 lines
3 KiB
Nix
95 lines
3 KiB
Nix
{ lib
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, stdenv
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, fetchFromGitHub
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, python3
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, runCommand
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, makeWrapper
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, stress-ng
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}:
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stdenv.mkDerivation (finalAttrs: {
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pname = "graphene-hardened-malloc";
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version = "12";
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src = fetchFromGitHub {
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owner = "GrapheneOS";
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repo = "hardened_malloc";
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rev = finalAttrs.version;
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sha256 = "sha256-ujwzr4njNsf/VTyEq7zKHWxoivU3feavSTx+MLIj1ZM=";
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};
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doCheck = true;
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nativeCheckInputs = [ python3 ];
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# these tests cover use as a build-time-linked library
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checkTarget = "test";
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installPhase = ''
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install -Dm444 -t $out/include include/*
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install -Dm444 -t $out/lib out/libhardened_malloc.so
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mkdir -p $out/bin
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substitute preload.sh $out/bin/preload-hardened-malloc --replace "\$dir" $out/lib
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chmod 0555 $out/bin/preload-hardened-malloc
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'';
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separateDebugInfo = true;
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passthru = {
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ld-preload-tests = stdenv.mkDerivation {
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name = "${finalAttrs.pname}-ld-preload-tests";
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inherit (finalAttrs) src;
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nativeBuildInputs = [ makeWrapper ];
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# reuse the projects tests to cover use with LD_PRELOAD. we have
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# to convince the test programs to build as though they're naive
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# standalone executables. this includes disabling tests for
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# malloc_object_size, which doesn't make sense to use via LD_PRELOAD.
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buildPhase = ''
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pushd test
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make LDLIBS= LDFLAGS=-Wl,--unresolved-symbols=ignore-all CXXFLAGS=-lstdc++
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substituteInPlace test_smc.py \
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--replace 'test_malloc_object_size' 'dont_test_malloc_object_size' \
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--replace 'test_invalid_malloc_object_size' 'dont_test_invalid_malloc_object_size'
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popd # test
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'';
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installPhase = ''
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mkdir -p $out/test
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cp -r test $out/test
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mkdir -p $out/bin
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makeWrapper ${python3.interpreter} $out/bin/run-tests \
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--add-flags "-I -m unittest discover --start-directory $out/test"
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'';
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};
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tests = {
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ld-preload = runCommand "ld-preload-test-run" { } ''
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${finalAttrs.finalPackage}/bin/preload-hardened-malloc ${finalAttrs.passthru.ld-preload-tests}/bin/run-tests
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touch $out
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'';
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# to compensate for the lack of tests of correct normal malloc operation
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stress = runCommand "stress-test-run" { } ''
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${finalAttrs.finalPackage}/bin/preload-hardened-malloc ${stress-ng}/bin/stress-ng \
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--no-rand-seed \
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--malloc 8 \
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--malloc-ops 1000000 \
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--verify
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touch $out
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'';
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};
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};
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meta = with lib; {
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homepage = "https://github.com/GrapheneOS/hardened_malloc";
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description = "Hardened allocator designed for modern systems";
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longDescription = ''
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This is a security-focused general purpose memory allocator providing the malloc API
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along with various extensions. It provides substantial hardening against heap
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corruption vulnerabilities yet aims to provide decent overall performance.
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'';
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license = licenses.mit;
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maintainers = with maintainers; [ ris ];
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platforms = [ "x86_64-linux" "aarch64-linux" ];
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};
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})
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