Dockerfile.sgx

# TODO: use nix + libfaketime etc.
# (there may still be some non-determinism in the build environment
# due to `apt-get update` etc.)
FROM ubuntu:focal-20210609 as build
ENV DEBIAN_FRONTEND=noninteractive 
# Install system dependencies / packages.
RUN apt-get update && apt-get install \
    curl \
    pkg-config\
    libssl-dev \
    clang-11 \
    protobuf-compiler -y && ln -s $(which clang-11) /usr/bin/cc

ARG RUST_TOOLCHAIN=nightly-2021-11-09
# Install Rust (nightly is required for the `x86_64-fortanix-unknown-sgx` target)
RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $RUST_TOOLCHAIN \
    && /root/.cargo/bin/rustup target add x86_64-fortanix-unknown-sgx --toolchain $RUST_TOOLCHAIN
ENV PATH="/root/.cargo/bin:$PATH"
# SGX doesn't support the CPUID instruction, so CPU features are decided at compile-time
ENV RUSTFLAGS="-Ctarget-feature=+mmx,+sse,+sse2,+sse3,+pclmulqdq,+pclmul,+ssse3,+fma,+sse4.1,+sse4.2,+popcnt,+aes,+avx,+rdrand,+sgx,+bmi1,+avx2,+bmi2,+rdseed,+adx,+sha"
# actually only `fortanix-sgx-tools` is needed (`sgxs-tools` is optional for development if one wants to use e.g. `sgxs-info` in the container)
RUN cargo install fortanix-sgx-tools --version 0.4.3 && cargo install sgxs-tools --version 0.8.3
# right now, there shouldn't be any C dependencies in the enclave app and the Rust compiler should automatically enforce this hardening for `x86_64-fortanix-unknown-sgx`
# (this is more of a reminder to watch out for this if a C dependency is added to the enclave app in the future)
ENV CFLAGS="-mlvi-hardening -mllvm -x86-experimental-lvi-inline-asm-hardening"
WORKDIR /tmkms-light
USER root
COPY . .
RUN cargo build -p tmkms-light-sgx-app --release --target x86_64-fortanix-unknown-sgx \
    && ftxsgx-elf2sgxs target/x86_64-fortanix-unknown-sgx/release/tmkms-light-sgx-app --heap-size 0x40000 --stack-size 0x40000 --threads 2

FROM scratch AS export
COPY --from=build /tmkms-light/target/x86_64-fortanix-unknown-sgx/release/tmkms-light-sgx-app.sgxs /tmkms-light-sgx-app.sgxs

# extraction command: `docker build -f Dockerfile.sgx --target export --output type=local,dest=./ .`