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RAIN Hotfix: Partial Archive Cleanup Semantics (PARTIAL statt UNKNOWN fuer image.tar+fehlende Metadaten, fail-closed)

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root 2026-08-31 07:51:49 +00:00
parent 561133f39b
commit 41c82f14d3
1 changed files with 46 additions and 5 deletions
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51
red-queen-architecture/control-plane/cp2a2_2b/rq-historical
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@ -2553,13 +2553,54 @@ remediation_archive_classification() { # echo: NO|PARTIAL|VALID|INVALID|UNKNOWN
echo "INVALID"; return echo "INVALID"; return
fi fi
# --- PARTIAL vs UNKNOWN (RAIN Hotfix: fail-closed-Semantik) --- # --- PARTIAL vs UNKNOWN (RAIN Hotfix: fail-closed-Semantik) ---
# PARTIAL nur wenn klar unvollstaendig/orphan: image.tar fehlt oder ist leer. # PARTIAL nur wenn sicher erkennbar unvollstaendig UND alle Safety-Gates PASS:
# (NICHT bei blosser Anomalie — Symlink/widerspruechliche Metadata ist UNKNOWN.) # - kontrollierter candidates-Pfad (base = $sdir/$sid, gebunden an aktive Session)
if [ ! -f "$img" ] || [ ! -s "$img" ]; then # - mindestens ein Archive-Artefakt vorhanden
# - vollstaendige VALID-Struktur fehlt
# - kein widerspruechliches/unerwartetes Fremdartefakt
# - keine Symlinks, keine Mountpoints, keine falsche Image-ID
# - kein anderes Session-/Image-Metadata-Binding
# - kein valides vollstaendiges Archive
# UNKNOWN wenn Zustand nicht sicher klassifizierbar (fail closed).
local has_any=0
[ -e "$base/image.tar" ] && has_any=1
[ -e "$base/session.meta" ] && has_any=1
[ -e "$base/app.manifest" ] && has_any=1
[ -e "$base/runtime-config.txt" ] && has_any=1
[ -e "$base/image.tar.sha256" ] && has_any=1
[ "$has_any" = "0" ] && { echo "NO"; return; } # kein Artefakt -> NO
# Safety: keine Symlinks im Ziel (Datei ODER Verzeichnis)
if [ -L "$base" ] || [ -L "$base/image.tar" ] || [ -L "$base/session.meta" ] || \
[ -L "$base/app.manifest" ] || [ -L "$base/runtime-config.txt" ] || [ -L "$base/image.tar.sha256" ]; then
echo "UNKNOWN"; return
fi
# Safety: kein Mountpoint / Bind-Mount
if mountpoint -q "$base" 2>/dev/null || grep -qE " $base( |$)" /proc/mounts 2>/dev/null; then
echo "UNKNOWN"; return
fi
# Safety: keine unerwarteten Extrafiles (nur die 5 bekannten Artefakte erlaubt)
local extra=""
for f in "$base"/*; do
[ -e "$f" ] || continue
local bn; bn="${f##*/}"
case "$bn" in
image.tar|session.meta|app.manifest|runtime-config.txt|image.tar.sha256) : ;;
*) extra="$extra $bn" ;;
esac
done
[ -n "$extra" ] && { echo "UNKNOWN"; return; } # Fremdartefakt -> UNKNOWN
# PARTIAL: image.tar valide vorhanden, aber Metadaten-Struktur unvollstaendig
# (session.meta/app.manifest/runtime-config.txt/image.tar.sha256 fehlt mind. eines)
if [ -f "$base/image.tar" ] && [ -s "$base/image.tar" ] && \
{ [ ! -f "$base/session.meta" ] || [ ! -f "$base/app.manifest" ] || \
[ ! -f "$base/runtime-config.txt" ] || [ ! -f "$base/image.tar.sha256" ]; }; then
echo "PARTIAL"; return echo "PARTIAL"; return
fi fi
# Sonst: image.tar vorhanden+valide, aber Metadata/Manifest/Runtime unvollstaendig # PARTIAL: image.tar fehlt/leer, aber andere Artefakte vorhanden (orphan)
# oder widerspruechlich -> nicht sicher klassifizierbar -> UNKNOWN (fail closed). if [ ! -f "$base/image.tar" ] || [ ! -s "$base/image.tar" ]; then
echo "PARTIAL"; return
fi
# Sonst: nicht sicher klassifizierbar -> UNKNOWN (fail closed)
echo "UNKNOWN"; return echo "UNKNOWN"; return
} }