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fix: verify every shipped signature #3

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Merged
SarthakWade merged 1 commit into from
Aug 12, 2026
Merged

fix: verify every shipped signature #3

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10 changes: 10 additions & 0 deletions scripts/update-cask.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,8 @@ printf '%s\n' "$CODESIGN_DETAILS" | grep -q '^Authority=Developer ID Application
|| { echo "Homebrew update: app is not Developer ID signed" >&2; exit 65; }
printf '%s\n' "$CODESIGN_DETAILS" | grep -q 'flags=.*runtime' \
|| { echo "Homebrew update: hardened runtime is missing" >&2; exit 65; }
printf '%s\n' "$CODESIGN_DETAILS" | grep -q '^Timestamp=' \
|| { echo "Homebrew update: secure timestamp is missing" >&2; exit 65; }
for executable in \
"$APP/Contents/MacOS/Headless" \
"$APP/Contents/Resources/bin/headless" \
Expand All @@ -63,6 +65,14 @@ for executable in \
printf '%s\n' "$ARCHITECTURES" | grep -Eq "(^| )$architecture( |$)" \
|| { echo "Homebrew update: $executable is missing $architecture" >&2; exit 65; }
done
codesign --verify --strict "$executable"
EXECUTABLE_SIGNATURE="$(codesign --display --verbose=4 "$executable" 2>&1)"
printf '%s\n' "$EXECUTABLE_SIGNATURE" | grep -q '^Authority=Developer ID Application:' \
|| { echo "Homebrew update: $executable is not Developer ID signed" >&2; exit 65; }
printf '%s\n' "$EXECUTABLE_SIGNATURE" | grep -q 'flags=.*runtime' \
|| { echo "Homebrew update: $executable lacks hardened runtime" >&2; exit 65; }
printf '%s\n' "$EXECUTABLE_SIGNATURE" | grep -q '^Timestamp=' \
|| { echo "Homebrew update: $executable lacks a secure timestamp" >&2; exit 65; }
done
xcrun stapler validate "$APP"
spctl --assess --type execute --verbose=4 "$APP"
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