Add CodeQL workflow

.github/workflows/codeql.yml

@@ -0,0 +1,83 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ 'master' ]
+  pull_request:
+    # The branches below must be a subset of the branches above.
+    branches: [ 'master' ]
+  schedule:
+    - cron: '33 7 * * 6'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: windows-2019
+    timeout-minutes: 45
+
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'cpp' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
+        # Use only 'java' to analyze code written in Java, Kotlin or both.
+        # Use only 'javascript' to analyze code written in JavaScript, TypeScript or both.
+        # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Setup msbuild
+      uses: microsoft/setup-msbuild@v1
+
+    # Qt 6 is only required for ARM64 build currently.
+    # - name: Install Qt6 x64
+    #   uses: jurplel/install-qt-action@v3
+    #   with:
+    #     version: '6.3.1'
+    #     arch:  'win64_msvc2019_64'
+
+    - name: Install Qt5 x64
+      uses: jurplel/install-qt-action@v3
+      with:
+        version: '5.15.2'
+        arch:  'win64_msvc2019_64'
+        cache: true
+
+    - name: Installing Jom
+      run: SandboxiePlus\install_jom.cmd
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v2
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+
+        # For more details on CodeQL's query packs, refer to: https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
+        # queries: security-extended,security-and-quality
+
+    - name: Build Sandboxie x64
+      run: msbuild /t:build Sandboxie\Sandbox.sln /p:Configuration="SbieRelease" /p:Platform=x64 -maxcpucount:8
+
+    - name: Build Sandboxie-Plus x64
+      run: SandboxiePlus\qmake_plus.cmd x64
+
+    - name: Build SbieShell x64
+      run: msbuild /t:restore,build -p:RestorePackagesConfig=true SandboxiePlus\SbieShell\SbieShell.sln /p:Configuration="Release" /p:Platform=x64
+
+    - name: Build Sandboxie-Tools x64
+      run: msbuild /t:build SandboxieTools\SandboxieTools.sln /p:Configuration="Release" /p:Platform=x64 -maxcpucount:8
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v2
+      with:
+        category: "/language:${{matrix.language}}"