# The name of our workflow
name: Build
on: [push, pull_request]

jobs:
  mingw:
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: mingw64
            chost: x86_64-w64-mingw32
          - target: mingw
            chost: i686-w64-mingw32

    name: "gcc-mingw - ${{matrix.target}}"

    runs-on: ubuntu-20.04
    env:
      MAKEFLAGS: -j3
      LZO_VERSION: "2.10"
      PKCS11_HELPER_VERSION: "1.26"
      OPENSSL_VERSION: "1.1.1j"
      TAP_WINDOWS_VERSION: "9.23.3"
      CHOST: ${{ matrix.chost }}
      TARGET: ${{ matrix.target }}
    steps:
      - name: Install dependencies
        run: sudo apt update && sudo apt install -y mingw-w64 libtool automake autoconf man2html unzip
      - name: Checkout ovpn-dco-win
        uses: actions/checkout@v2
        with:
          repository: OpenVPN/ovpn-dco-win
          path: ovpn-dco-win
      - name: Checkout OpenVPN
        uses: actions/checkout@v2
        with:
          path: openvpn

      - name: autoconf
        run: autoreconf -fvi
        working-directory: openvpn

      - name: Cache dependencies
        id: cache
        uses: actions/cache@v2
        with:
          path: '~/mingw/'
          key: ${{ matrix.target }}-mingw-${{ env.LZO_VERSION }}-${{ env.PKCS11_HELPER_VERSION }}-${{ env.TAP_WINDOWS_VERSION }}

      # Repeating  if: steps.cache.outputs.cache-hit != 'true'
      # on every step for building dependencies is ugly but
      # I haven't found a better solution so far.

      - name: Download mingw depnendencies
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          wget -c -P download-cache/ "https://build.openvpn.net/downloads/releases/tap-windows-${TAP_WINDOWS_VERSION}.zip"
          wget -c -P download-cache/ "https://www.oberhumer.com/opensource/lzo/download/lzo-${LZO_VERSION}.tar.gz"
          wget -c -P download-cache/ "https://github.com/OpenSC/pkcs11-helper/archive/pkcs11-helper-${PKCS11_HELPER_VERSION}.tar.gz"
          wget -c -P download-cache/ "https://www.openssl.org/source/old/1.1.1/openssl-${OPENSSL_VERSION}.tar.gz"
          tar zxf "download-cache/pkcs11-helper-${PKCS11_HELPER_VERSION}.tar.gz"
          tar zxf "download-cache/openssl-${OPENSSL_VERSION}.tar.gz"
          tar zxf "download-cache/lzo-${LZO_VERSION}.tar.gz"
          unzip download-cache/tap-windows-${TAP_WINDOWS_VERSION}.zip

      - name: Configure OpenSSL
        if: steps.cache.outputs.cache-hit != 'true'
        run: ./Configure --cross-compile-prefix=${CHOST}- shared ${{ matrix.target }} no-capieng --prefix="${HOME}/mingw/opt" --openssldir="${HOME}/mingw/opt" -static-libgcc
        working-directory: "./openssl-1.1.1j"

      - name: Build OpenSSL
        if: steps.cache.outputs.cache-hit != 'true'
        run: make
        working-directory: "./openssl-1.1.1j/"

      - name: Install OpenSSL
        if: steps.cache.outputs.cache-hit != 'true'
        run: make install
        working-directory: "./openssl-1.1.1j/"

      - name: autoreconf pkcs11-helper
        if: steps.cache.outputs.cache-hit != 'true'
        run: autoreconf -iv
        working-directory: "./pkcs11-helper-pkcs11-helper-1.26"

      - name: configure pkcs11-helper
        if: steps.cache.outputs.cache-hit != 'true'
        run: OPENSSL_LIBS="-L${HOME}/mingw/opt/lib -lssl -lcrypto" OPENSSL_CFLAGS=-I$HOME/mingw/opt/include PKG_CONFIG_PATH=${HOME}/mingw/opt/lib/pkgconfig ./configure --host=${CHOST} --program-prefix='' --libdir=${HOME}/mingw/opt/lib --prefix=${HOME}/mingw/opt --build=x86_64-pc-linux-gnu --disable-crypto-engine-gnutls --disable-crypto-engine-nss --disable-crypto-engine-polarssl --disable-crypto-engine-mbedtls
        working-directory: "./pkcs11-helper-pkcs11-helper-1.26"

      - name: build pkcs11-helper
        if: steps.cache.outputs.cache-hit != 'true'
        run: make all
        working-directory: "./pkcs11-helper-pkcs11-helper-1.26"

      - name: install pkcs11-helper
        if: steps.cache.outputs.cache-hit != 'true'
        run: make install
        working-directory: "./pkcs11-helper-pkcs11-helper-1.26"

      - name: Configure lzo
        if: steps.cache.outputs.cache-hit != 'true'
        run: ./configure --host=${CHOST} --program-prefix='' --libdir=${HOME}/mingw/opt/lib --prefix=${HOME}/mingw/opt --build=x86_64-pc-linux-gnu
        working-directory: "./lzo-2.10"

      - name: build lzo
        if: steps.cache.outputs.cache-hit != 'true'
        working-directory: "./lzo-2.10"
        run: make

      - name: install lzo
        if: steps.cache.outputs.cache-hit != 'true'
        working-directory: "./lzo-2.10"
        run: make install

      - name: copy tap-windows.h header
        if: steps.cache.outputs.cache-hit != 'true'
        run: cp ./tap-windows-9.23.3/include/tap-windows.h ${HOME}/mingw/opt/include/

      - name: configure OpenVPN
        run: PKG_CONFIG_PATH=${HOME}/mingw/opt/lib/pkgconfig DCO_SOURCEDIR=$(realpath ../ovpn-dco-win) LDFLAGS=-L$HOME/mingw/opt/lib CFLAGS=-I$HOME/mingw/opt/include OPENSSL_LIBS="-L${HOME}/opt/lib -lssl -lcrypto" OPENSSL_CFLAGS=-I$HOME/mingw/opt/include PREFIX=$HOME/mingw/opt LZO_CFLAGS=-I$HOME/mingw/opt/include LZO_LIBS="-L${HOME}/mingw/opt/lib -llzo2" ./configure  --host=${CHOST} --disable-lz4 --enable-dco
        working-directory: openvpn

      - name: build OpenVPN
        run: make -j3
        working-directory: openvpn

  ubuntu:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-18.04, ubuntu-20.04]
        sslpkg: [libmbedtls-dev]
        ssllib: [mbedtls]
        libname: [mbed TLS]

        include:
          - os: ubuntu-18.04
            sslpkg: "libssl1.0-dev"
            ssllib: openssl
            libname: OpenSSL 1.0.2
          - os: ubuntu-18.04
            sslpkg: "libssl-dev"
            libname: OpenSSL 1.1.1
            ssllib: openssl
          - os: ubuntu-20.04
            sslpkg: "libssl-dev"
            libname: OpenSSL 1.1.1
            ssllib: openssl
          - os: ubuntu-20.04
            sslpkg: "libssl-dev"
            libname: OpenSSL 1.1.1
            ssllib: openssl
            extraconf: "--enable-iproute2"
          - os: ubuntu-20.04
            sslpkg: "libssl-dev"
            libname: OpenSSL 1.1.1
            ssllib: openssl
            extraconf: "--enable-async-push"
          - os: ubuntu-20.04
            sslpkg: "libssl-dev"
            libname: OpenSSL 1.1.1
            ssllib: openssl
            extraconf: "--disable-management"
          - os: ubuntu-20.04
            sslpkg: "libssl-dev"
            libname: OpenSSL 1.1.1
            ssllib: openssl
            extraconf: "--enable-small"
          - os: ubuntu-20.04
            sslpkg: "libssl-dev"
            libname: OpenSSL 1.1.1
            ssllib: openssl
            extraconf: "--disable-lzo --disable-lz4"

    name: "gcc - ${{matrix.os}} - ${{matrix.libname}} ${{matrix.extraconf}}"
    env:
      SSLPKG: "${{matrix.sslpkg}}"

    runs-on: ${{matrix.os}}
    steps:
      - name: Install dependencies
        run: sudo apt update && sudo apt install -y liblzo2-dev libpam0g-dev liblz4-dev linux-libc-dev man2html libcmocka-dev python3-docutils libtool automake autoconf ${SSLPKG}
      - name: Checkout OpenVPN
        uses: actions/checkout@v2
      - name: autoconf
        run: autoreconf -fvi
      - name: configure
        run: ./configure --with-crypto-library=${{matrix.ssllib}} ${{matrix.extraconf}}
      - name: make all
        run: make -j3
      - name: make check
        run: make check

  ubuntu-clang-asan:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-20.04]
        ssllib: [mbedtls, openssl]

    name: "clang-asan - ${{matrix.os}} - ${{matrix.ssllib}}"

    runs-on: ${{matrix.os}}
    steps:
      - name: Install dependencies
        run: sudo apt update && sudo apt install -y liblzo2-dev libpam0g-dev liblz4-dev linux-libc-dev man2html clang libcmocka-dev python3-docutils libtool automake autoconf libmbedtls-dev
      - name: Checkout OpenVPN
        uses: actions/checkout@v2
      - name: autoconf
        run: autoreconf -fvi
      - name: configure
        run: CFLAGS="-fsanitize=address -fno-omit-frame-pointer -O2" CC=clang ./configure --with-crypto-library=${{matrix.ssllib}}
      - name: make all
        run: make -j3
      - name: make check
        run: make check


  macos:
    runs-on: macos-latest
    strategy:
      fail-fast: false
      matrix:
        ossl: [ 1.1, 3 ]
        build: [ normal, asan ]
        include:
          - build: asan
            cflags: "-fsanitize=address -fno-optimize-sibling-calls -fsanitize-address-use-after-scope -fno-omit-frame-pointer -g -O1"
            ldflags: -fsanitize=address
            # Our build system ignores LDFLAGS for plugins
            configureflags: --disable-plugin-auth-pam  --disable-plugin-down-root
          - build: normal
            cflags: "-O2 -g"
            ldflags: ""
            configureflags: ""

    name: "macOS - OpenSSL ${{matrix.ossl}} - ${{matrix.build}}"
    env:
      CFLAGS: ${{ matrix.cflags }}
      LDFLAGS: ${{ matrix.ldflags }}
      OPENSSL_CFLAGS: -I/usr/local/opt/openssl@${{matrix.ossl}}/include
      OPENSSL_LIBS: "-L/usr/local/opt/openssl@${{matrix.ossl}}/lib -lcrypto -lssl"
    steps:
      - name: Install dependencies
        run: brew install openssl@1.1 openssl@3 lzo lz4 man2html cmocka libtool automake autoconf
      - name: Checkout OpenVPN
        uses: actions/checkout@v2
      - name: autoconf
        run: autoreconf -fvi
      - name: configure
        run: ./configure ${{matrix.configureflags}}
      - name: make all
        run: make -j4
      - name: make check
        run: make check

  msvc:
      strategy:
        fail-fast: false
        matrix:
          plat: [ARM64, Win32, x64]
          include:
            - plat: ARM64
              triplet: arm64
            - plat: Win32
              triplet: x86
            - plat: x64
              triplet: x64

      name: "msbuild - ${{matrix.triplet}} - openssl"
      env:
        BUILD_CONFIGURATION: Release
        VCPKG_OVERLAY_PORTS: ${{ github.workspace }}/contrib/vcpkg-ports
        VCPKG_OVERLAY_TRIPLETS: ${{ github.workspace }}/contrib/vcpkg-triplets

      runs-on: windows-latest
      steps:
      - uses: actions/checkout@v2

      - name: Add MSBuild to PATH
        uses: microsoft/setup-msbuild@v1

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: '3.x'

      - name: Install rst2html
        run: python -m pip install --upgrade pip rst2html

      - name: Restore artifacts, or run vcpkg, build and cache artifacts
        uses: lukka/run-vcpkg@v7.4
        with:
          vcpkgGitCommitId: 'a2fcb03749ff5897b5985092934dc6057680c789'
          vcpkgArguments: 'openssl lz4 lzo pkcs11-helper tap-windows6'
          vcpkgTriplet: '${{ matrix.triplet }}-windows-ovpn'
          cleanAfterBuild: false

      - name: Build
        working-directory: ${{env.GITHUB_WORKSPACE}}
        run: |
          vcpkg integrate install
          msbuild /m /p:Configuration=${{env.BUILD_CONFIGURATION}} /p:Platform="${{ matrix.plat }}" .

      - name: Archive artifacts
        uses: actions/upload-artifact@v2
        with:
          name: artifacts-${{ matrix.plat }}
          path: |
            ${{ matrix.plat }}-Output/${{env.BUILD_CONFIGURATION}}/*.exe
            ${{ matrix.plat }}-Output/${{env.BUILD_CONFIGURATION}}/*.dll
            ${{ matrix.plat }}-Output/${{env.BUILD_CONFIGURATION}}/*.pdb
            doc/openvpn.8.html