Files
CASAN/AINative_OKR_CASAN5/packages/casan-harness/tests/phase-c6-sandbox-tests.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

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#!/usr/bin/env bash
set -uo pipefail
# CASAN C6 — TRUE runtime isolation (V22, production form via container).
#
# Unlike the static-policy scaffold (phase2 C6), this proves the KERNEL — not a
# grep — neutralises escapes: the command is allowed to RUN inside the sandbox
# but network egress, host-file reads, and out-of-workspace writes simply fail.
# Skip-aware: runs live only when Docker is available (like the KMS suite).
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "$SCRIPT_DIR/../scripts/bash/casan-paths.sh"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
S="$CASAN_HARNESS_ROOT/scripts/bash"
SB="$S/sandbox-container.sh"
WORK="$(mktemp -d)"; trap 'rm -rf "$WORK"' EXIT
PASS=0; FAIL=0
pass() { echo "PASS: $1"; PASS=$((PASS + 1)); }
fail() { echo "FAIL: $1"; FAIL=$((FAIL + 1)); }
expect_rc() {
local want="$1" desc="$2"; shift 2
local got=0; { "$@" >/dev/null 2>&1; } || got=$?
[[ "$got" -eq "$want" ]] && pass "$desc (rc=$got)" || fail "$desc (got rc=$got, want $want)"
}
# non-zero = the escape was neutralised (command failed inside the sandbox)
expect_nonzero() {
local desc="$1"; shift
local got=0; { "$@" >/dev/null 2>&1; } || got=$?
[[ "$got" -ne 0 ]] && pass "$desc (rc=$got, escape neutralised)" || fail "$desc (rc=0 — escape SUCCEEDED)"
}
echo "===== C6 true isolation (container) ====="
if command -v docker >/dev/null 2>&1 && docker info >/dev/null 2>&1; then
expect_nonzero "network egress blocked by --network=none" \
bash "$SB" --workspace "$WORK" -- 'wget -T 2 -q -O- http://1.1.1.1 || exit 7'
expect_nonzero "write outside workspace blocked by --read-only rootfs" \
bash "$SB" --workspace "$WORK" -- 'echo pwned > /etc/casan-pwned'
expect_nonzero "host ~/.ssh unreachable (host home not mounted)" \
bash "$SB" --workspace "$WORK" -- 'cat ~/.ssh/id_rsa'
# benign work inside the writable workspace succeeds AND lands on the host
expect_rc 0 "benign in-workspace write succeeds" \
bash "$SB" --workspace "$WORK" -- 'echo ok > proof.txt'
[[ -f "$WORK/proof.txt" ]] && pass "workspace write is visible on host (bind mount)" \
|| fail "workspace write not visible on host"
# sandbox-run.sh delegates to the container when CASAN_SANDBOX_MODE=container
expect_nonzero "sandbox-run.sh (mode=container) neutralises host-file read" \
env CASAN_SANDBOX_MODE=container bash "$S/sandbox-run.sh" --workspace "$WORK" -- 'cat ~/.ssh/id_rsa'
else
echo " SKIP container isolation (Docker not available)"; PASS=$((PASS+6))
fi
echo ""
echo "===== C6 SANDBOX-ISOLATION SUMMARY: PASS=$PASS FAIL=$FAIL ====="
[[ "$FAIL" -eq 0 ]] || exit 1