wolfssl/.github/workflows/mono.yml

name: Linux Mono C# Build Test

# START OF COMMON SECTION
on:
  push:
    branches: [ 'master', 'main', 'release/**' ]
  pull_request:
    branches: [ '*' ]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
# END OF COMMON SECTION

jobs:
  build_wolfssl:
    name: Build wolfSSL C# Wrapper
    if: github.repository_owner == 'wolfssl'
    runs-on: ubuntu-24.04
    timeout-minutes: 10
    steps:

    # Build wolfSSL using the user_settings.h from the C# wrapper directory
    - name: Build wolfSSL
      uses: wolfSSL/actions-build-autotools-project@v1
      with:
        path: wolfssl
        configure: --enable-usersettings CPPFLAGS=-I$GITHUB_WORKSPACE/wolfssl/wrapper/CSharp
        install: true
        check: false

    - name: Install mono-complete
      run: |
        sudo apt-get update
        sudo apt-get install -y mono-complete

    - name: Copy wolfSSL.dll to C# wrapper directory
      run: |
        echo "Copying wolfSSL.dll to C# wrapper directory. $GITHUB_WORKSPACE/build-dir/lib contains:"
        ls -la $GITHUB_WORKSPACE/build-dir/lib/*
        cp $GITHUB_WORKSPACE/build-dir/lib/libwolfssl.so $GITHUB_WORKSPACE/wolfssl/wrapper/CSharp/wolfssl.dll
        cp $GITHUB_WORKSPACE/build-dir/lib/libwolfssl.so $GITHUB_WORKSPACE/wolfssl/wrapper/CSharp/libwolfssl.so

    - name: Build and run wolfCrypt test wrapper
      working-directory: wolfssl/wrapper/CSharp
      run: |
        mcs wolfCrypt-Test/wolfCrypt-Test.cs wolfSSL_CSharp/wolfCrypt.cs wolfSSL_CSharp/wolfSSL.cs wolfSSL_CSharp/X509.cs -OUT:wolfcrypttest.exe
        mono wolfcrypttest.exe

    - name: Build wolfSSL client/server test
      working-directory: wolfssl/wrapper/CSharp
      env:
        LD_LIBRARY_PATH: $GITHUB_WORKSPACE/build-dir/lib
      run: |
        mcs wolfSSL_CSharp/wolfSSL.cs wolfSSL_CSharp/X509.cs wolfSSL-TLS-Server/wolfSSL-TLS-Server.cs -OUT:server.exe
        mcs wolfSSL_CSharp/wolfCrypt.cs wolfSSL-TLS-Client/wolfSSL-TLS-Client.cs wolfSSL_CSharp/wolfSSL.cs wolfSSL_CSharp/X509.cs -OUT:client.exe

    - name: Test wolfSSL client/server communication
      working-directory: wolfssl/wrapper/CSharp
      env:
        LD_LIBRARY_PATH: $GITHUB_WORKSPACE/build-dir/lib
      run: |
        # Start server in background and capture its PID
        timeout 10s mono server.exe > server.log 2>&1 &
        SERVER_PID=$!

        # Wait for server to start
        sleep 2

        # Run client and capture output
        timeout 5s mono client.exe > client.log 2>&1
        CLIENT_EXIT_CODE=$?

        # Wait a moment for server to process
        sleep 1

        # Kill server
        kill $SERVER_PID 2>/dev/null || true

        # Check if client completed successfully (exit code 0)
        if [ $CLIENT_EXIT_CODE -eq 0 ]; then
          echo "Client completed successfully"
        else
          echo "Client failed with exit code $CLIENT_EXIT_CODE"
          cat client.log
          exit 1
        fi

        # Check for success indicators in logs
        if grep -q "SSL version is" client.log && grep -q "SSL cipher suite is" client.log; then
          echo "TLS handshake successful - SSL version and cipher suite detected"
        else
          echo "TLS handshake failed - no SSL version/cipher detected"
          echo "Client log:"
          cat client.log
          echo "Server log:"
          cat server.log
          exit 1
        fi

    - name: Test SNI functionality
      working-directory: wolfssl/wrapper/CSharp
      env:
        LD_LIBRARY_PATH: $GITHUB_WORKSPACE/build-dir/lib
      run: |
        # Start server with SNI support in background
        timeout 10s mono server.exe -S > server_sni.log 2>&1 &
        SERVER_PID=$!

        # Wait for server to start
        sleep 2

        # Run client with SNI and capture output
        timeout 5s mono client.exe -S localhost > client_sni.log 2>&1
        CLIENT_EXIT_CODE=$?

        # Wait a moment for server to process
        sleep 1

        # Kill server
        kill $SERVER_PID 2>/dev/null || true

        # Check if client completed successfully
        if [ $CLIENT_EXIT_CODE -eq 0 ]; then
          echo "SNI client completed successfully"
        else
          echo "SNI client failed with exit code $CLIENT_EXIT_CODE"
          cat client_sni.log
          exit 1
        fi

        # Check for SNI success indicators
        if grep -q "SSL version is" client_sni.log && grep -q "SSL cipher suite is" client_sni.log; then
          echo "SNI TLS handshake successful"
        else
          echo "SNI TLS handshake failed"
          echo "Client log:"
          cat client_sni.log
          echo "Server log:"
          cat server_sni.log
          exit 1
        fi