Files
CASAN/AINative_OKR_CASAN5/packages/casan-harness/scripts/bash/sign-policy-bundle.sh
T
thanhnvandClaude Opus 4.8 664bd1f00c feat(plan-01): Phase 1 — relocate harness code to packages/casan-harness (symlink facade)
Physically move the pure-code subtrees out of .specify into the package, leaving
compat symlinks at the old .specify/<dir> paths so every existing reference (internal
CASAN_HARNESS_ROOT + external CI/docker/mjs) keeps resolving. Runtime state stays put.

Moved (git mv): scripts/ tests/ security/ templates/ config/ governance/ memory/
  .specify/<dir>  ->  packages/casan-harness/<dir>   (+ .specify/<dir> symlink)
Stays in .specify (state/governance/domain, handled later): logs/ agentops/ level5/
  init-options.json traceability-map.json

Python `.resolve()` self-location followed the compat symlink into packages and lost
the app root; generate-casan-demo-context.py, generate-agentops-dashboard.py and
dashboard-server.py now walk UP for the `.specify` state marker instead of a fixed
parent depth (fixes "missing trace files" in run-casan4).

Full gate: PASS=64 FAIL=0 SKIP=3 (CASAN_CI_STEP_TIMEOUT_SEC=1200 — track-a ~450s runs
close to the 600s default and can tip over under load; this is timing variance, not a
regression — it passed cleanly with headroom). Runtime log/audit artifacts kept unstaged.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-08 00:06:00 +09:00

109 lines
3.9 KiB
Bash
Executable File

#!/usr/bin/env bash
set -euo pipefail
# CASAN Level 5 signed central policy bundle.
# Usage:
# sign-policy-bundle.sh sign
# sign-policy-bundle.sh verify
MODE="${1:-}"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "$SCRIPT_DIR/casan-paths.sh"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../../.." && pwd)"
GOV_DIR="$CASAN_GOVERNANCE_ROOT"
BUNDLE="$GOV_DIR/policy-bundle.yaml"
MANIFEST="$GOV_DIR/policy-manifest.json"
PRIVATE_KEY="$GOV_DIR/policy-private.pem"
PUBLIC_KEY="$GOV_DIR/policy-public.pem"
SIGNATURE="$GOV_DIR/policy-manifest.sig"
mkdir -p "$GOV_DIR"
if [[ "$MODE" != "sign" && "$MODE" != "verify" ]]; then
echo "Usage: sign-policy-bundle.sh sign|verify" >&2
exit 64
fi
if ! command -v openssl >/dev/null 2>&1; then
echo "POLICY_SIGNING_UNAVAILABLE openssl not found" >&2
exit 1
fi
generate_manifest() {
python - "$PROJECT_ROOT" "$BUNDLE" "$MANIFEST" <<'PY'
import hashlib
import json
import pathlib
import re
import sys
from datetime import datetime, timezone
root = pathlib.Path(sys.argv[1])
bundle = pathlib.Path(sys.argv[2])
manifest = pathlib.Path(sys.argv[3])
text = bundle.read_text(encoding="utf-8")
paths = re.findall(r"^\s*path:\s*(.+?)\s*$", text, flags=re.MULTILINE)
files = []
for raw in paths:
rel = raw.strip().strip('"')
path = root / rel
if not path.exists():
raise SystemExit(f"missing policy file: {rel}")
data = path.read_bytes()
files.append({
"path": rel,
"sha256": hashlib.sha256(data).hexdigest(),
"bytes": len(data),
})
payload = {
"bundle_id": "casan-okr-harness-policy",
"generated_at": datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ"),
"files": files,
}
manifest.write_text(json.dumps(payload, indent=2, sort_keys=True) + "\n", encoding="utf-8")
print(f"POLICY_MANIFEST_GENERATED files={len(files)} manifest={manifest}")
PY
}
if [[ "$MODE" == "sign" ]]; then
generate_manifest
if [[ -n "${VAULT_ADDR:-}" && -n "${VAULT_TOKEN:-}" ]] && \
curl -sf "$VAULT_ADDR/v1/sys/health" >/dev/null 2>&1; then
# ── KMS path: sign via HashiCorp Vault Transit (key never stored on disk) ──
VAULT_KMS="$SCRIPT_DIR/vault-kms.sh"
bash "$VAULT_KMS" enable-transit
bash "$VAULT_KMS" sign "$MANIFEST" "$SIGNATURE" "casan-policy-key"
bash "$VAULT_KMS" pubkey "$PUBLIC_KEY" "casan-policy-key"
echo "POLICY_BUNDLE_SIGNED manifest=$MANIFEST signature=$SIGNATURE public_key=$PUBLIC_KEY key_backend=vault-kms"
else
# ── Fallback: local key file (dev / no Vault) ─────────────────────────────
if [[ ! -f "$PRIVATE_KEY" ]]; then
openssl genrsa -out "$PRIVATE_KEY" 2048 >/dev/null 2>&1
fi
# Key-sync invariant: the on-disk public key must ALWAYS match the key that
# signs (a prior Vault-signed run leaves the Vault pubkey here — verifying
# a local-key signature against it would fail with an RSA padding error).
openssl rsa -in "$PRIVATE_KEY" -pubout -out "$PUBLIC_KEY" >/dev/null 2>&1
openssl dgst -sha256 -sign "$PRIVATE_KEY" -out "$SIGNATURE" "$MANIFEST"
echo "POLICY_BUNDLE_SIGNED manifest=$MANIFEST signature=$SIGNATURE public_key=$PUBLIC_KEY key_backend=local-file"
fi
exit 0
fi
python - "$PROJECT_ROOT" "$MANIFEST" <<'PY'
import hashlib
import json
import pathlib
import sys
root = pathlib.Path(sys.argv[1])
manifest = json.loads(pathlib.Path(sys.argv[2]).read_text(encoding="utf-8"))
for item in manifest["files"]:
data = (root / item["path"]).read_bytes()
actual = hashlib.sha256(data).hexdigest()
if actual != item["sha256"]:
raise SystemExit(f"POLICY_HASH_MISMATCH path={item['path']} expected={item['sha256']} actual={actual}")
print(f"POLICY_HASHES_VALID files={len(manifest['files'])}")
PY
openssl dgst -sha256 -verify "$PUBLIC_KEY" -signature "$SIGNATURE" "$MANIFEST" >/dev/null
echo "POLICY_SIGNATURE_VALID manifest=$MANIFEST"