release: v0.7.1 — Security-Patch (R-01 bis R-06)

- R-01: Bereinigung verbliebener Restbehauptungen in Doku und Code (LEGAL.md, README.md, QUICKSTART.md, main.rs, crypto/storage/recovery/verify.rs)
- R-02: Lückenloser Carrier-Schutz in SanctumFs::copy (Quelle & Ziel) und sync (Pull-Skip & Push-Schutz)
- R-03: Shared Dateinamen-Validierung (validate_node_name) in pathutil.rs, durchgesetzt in storage.rs und vfs.rs
- R-04: Fail-closed Release-Packaging & obligatorische Minisign-Signatur in CI (.gitea/workflows/release.yaml) und Scripts
- R-05: Session-Token Beseitigung im argv: In-Process Win32 WNetAddConnection2W/WNetCancelConnection2W, kein gio argv-Token, Multi-Auth HTTP Middleware (Basic Auth, X-Sanctum-Token, Path-Fallback) mit 401 WWW-Authenticate
- R-06: Sofortiges Löschen von SANCTUM_RECOVERY_KEY aus der Prozessumgebung

.gitea/workflows/release.yaml

@@ -51,6 +51,35 @@ jobs:
           echo "ZIP_FILE=$ZipFile" >> $env:GITHUB_OUTPUT
           echo "PACKAGE_NAME=$PackageName" >> $env:GITHUB_OUTPUT
 
+      - name: Sign Checksums with Minisign
+        shell: pwsh
+        env:
+          MINISIGN_SECRET_KEY: ${{ secrets.MINISIGN_SECRET_KEY }}
+        run: |
+          if (-not $env:MINISIGN_SECRET_KEY) {
+            Write-Error "Secret MINISIGN_SECRET_KEY ist nicht gesetzt! Release ohne Signatur verboten."
+            exit 1
+          }
+          if (-not (Get-Command minisign -ErrorAction SilentlyContinue)) {
+            Invoke-WebRequest -Uri "https://github.com/jedisct1/minisign/releases/download/0.11/minisign-0.11-win64.zip" -OutFile "minisign.zip"
+            Expand-Archive -Path "minisign.zip" -DestinationPath "minisign-bin"
+            $MinisignExe = "minisign-bin/minisign-win64/minisign.exe"
+          } else {
+            $MinisignExe = "minisign"
+          }
+
+          $KeyFile = "sanctum-ci-release.key"
+          [System.IO.File]::WriteAllText($KeyFile, $env:MINISIGN_SECRET_KEY)
+          try {
+            & $MinisignExe -S -s $KeyFile -m "dist/SHA256SUMS.txt" -W -x "dist/SHA256SUMS.txt.minisig"
+            if ($LASTEXITCODE -ne 0 -or -not (Test-Path "dist/SHA256SUMS.txt.minisig")) {
+              Write-Error "Minisign-Signierung fehlgeschlagen!"
+              exit 1
+            }
+          } finally {
+            Remove-Item $KeyFile -Force -ErrorAction SilentlyContinue
+          }
+
       - name: Create Gitea Release
         uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/')
@@ -58,6 +87,7 @@ jobs:
           files: |
             dist/*.zip
             dist/SHA256SUMS.txt
+            dist/SHA256SUMS.txt.minisig
             target/release/sanctum.exe
           body_path: CHANGELOG.md
           draft: false