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|
{ stdenv
, lib
, fetchurl
, cmake
, coreutils
, curl
, file
, makeWrapper
, nixosTests
, protobuf
, python3
, sgx-sdk
, which
, debug ? false
}:
stdenv.mkDerivation rec {
inherit (sgx-sdk) patches src version versionTag;
pname = "sgx-psw";
postUnpack =
let
# Fetch the pre-built, Intel-signed Architectural Enclaves (AE). They help
# run user application enclaves, verify launch policies, produce remote
# attestation quotes, and do platform certification.
ae.prebuilt = fetchurl {
url = "https://download.01.org/intel-sgx/sgx-linux/${versionTag}/prebuilt_ae_${versionTag}.tar.gz";
hash = "sha256-IGV9VEwY/cQBV4Vz2sps4JgRweWRl/l08ocb9P4SH8Q=";
};
# Also include the Data Center Attestation Primitives (DCAP) platform
# enclaves.
dcap = rec {
version = "1.20";
filename = "prebuilt_dcap_${version}.tar.gz";
prebuilt = fetchurl {
url = "https://download.01.org/intel-sgx/sgx-dcap/${version}/linux/${filename}";
hash = "sha256-nPsI89KSBA3cSNTMWyktZP5dkf+BwL3NZ4MuUf6G98o=";
};
};
in
sgx-sdk.postUnpack + ''
# Make sure we use the correct version of prebuilt DCAP
grep -q 'ae_file_name=${dcap.filename}' "$src/external/dcap_source/QuoteGeneration/download_prebuilt.sh" \
|| (echo "Could not find expected prebuilt DCAP ${dcap.filename} in linux-sgx source" >&2 && exit 1)
tar -zxf ${ae.prebuilt} -C $sourceRoot/
tar -zxf ${dcap.prebuilt} -C $sourceRoot/external/dcap_source/QuoteGeneration/
'';
nativeBuildInputs = [
cmake
file
makeWrapper
python3
sgx-sdk
which
];
buildInputs = [
curl
protobuf
];
hardeningDisable = [
# causes redefinition of _FORTIFY_SOURCE
"fortify3"
] ++ lib.optionals debug [
"fortify"
];
postPatch = ''
patchShebangs \
linux/installer/bin/build-installpkg.sh \
linux/installer/common/psw/createTarball.sh \
linux/installer/common/psw/install.sh
'';
dontUseCmakeConfigure = true;
buildFlags = [
"psw_install_pkg"
] ++ lib.optionals debug [
"DEBUG=1"
];
installFlags = [
"-C linux/installer/common/psw/output"
"DESTDIR=$(TMPDIR)/install"
];
postInstall = ''
installDir=$TMPDIR/install
sgxPswDir=$installDir/opt/intel/sgxpsw
mv $installDir/usr/lib64/ $out/lib/
ln -sr $out/lib $out/lib64
# Install udev rules to lib/udev/rules.d
mv $sgxPswDir/udev/ $out/lib/
# Install example AESM config
mkdir $out/etc/
mv $sgxPswDir/aesm/conf/aesmd.conf $out/etc/
rmdir $sgxPswDir/aesm/conf/
# Delete init service
rm $sgxPswDir/aesm/aesmd.conf
# Move systemd services
mkdir -p $out/lib/systemd/system/
mv $sgxPswDir/aesm/aesmd.service $out/lib/systemd/system/
mv $sgxPswDir/remount-dev-exec.service $out/lib/systemd/system/
# Move misc files
mkdir $out/share/
mv $sgxPswDir/licenses $out/share/
# Remove unnecessary files
rm $sgxPswDir/{cleanup.sh,startup.sh}
rm -r $sgxPswDir/scripts
# Move aesmd binaries/libraries/enclaves
mv $sgxPswDir/aesm/ $out/
# We absolutely MUST avoid stripping or patching these ".signed.so" SGX
# enclaves. Stripping would change each enclave measurement (hash of the
# binary).
#
# We're going to temporarily move these enclave libs to another directory
# until after stripping/patching in the fixupPhase.
mkdir $TMPDIR/enclaves
mv $out/aesm/*.signed.so* $TMPDIR/enclaves
mkdir $out/bin
makeWrapper $out/aesm/aesm_service $out/bin/aesm_service \
--suffix LD_LIBRARY_PATH : ${lib.makeLibraryPath [ protobuf ]}:$out/aesm \
--chdir "$out/aesm"
# Make sure we didn't forget to handle any files
rmdir $sgxPswDir || (echo "Error: The directory $installDir still contains unhandled files: $(ls -A $installDir)" >&2 && exit 1)
'';
stripDebugList = [
"lib"
"bin"
# Also strip binaries/libs in the `aesm` directory
"aesm"
];
postFixup = ''
# Move the SGX enclaves back after everything else has been stripped.
mv $TMPDIR/enclaves/*.signed.so* $out/aesm/
rmdir $TMPDIR/enclaves
# Fixup the aesmd systemd service
#
# Most—if not all—of those fixups are not relevant for NixOS as we have our own
# NixOS module which is based on those files without relying on them. Still, it
# is helpful to have properly patched versions for non-NixOS distributions.
echo "Fixing aesmd.service"
substituteInPlace $out/lib/systemd/system/aesmd.service \
--replace '@aesm_folder@' \
"$out/aesm" \
--replace 'Type=forking' \
'Type=simple' \
--replace "ExecStart=$out/aesm/aesm_service" \
"ExecStart=$out/bin/aesm_service --no-daemon"\
--replace "/bin/mkdir" \
"${coreutils}/bin/mkdir" \
--replace "/bin/chown" \
"${coreutils}/bin/chown" \
--replace "/bin/chmod" \
"${coreutils}/bin/chmod" \
--replace "/bin/kill" \
"${coreutils}/bin/kill"
'';
passthru.tests = {
service = nixosTests.aesmd;
};
meta = with lib; {
description = "Intel SGX Architectural Enclave Service Manager";
homepage = "https://github.com/intel/linux-sgx";
maintainers = with maintainers; [ phlip9 veehaitch citadelcore ];
platforms = [ "x86_64-linux" ];
license = with licenses; [ bsd3 ];
};
}
|
