thanhnvandClaude Opus 4.8
664bd1f00c
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>
59 lines
2.8 KiB
Bash
59 lines
2.8 KiB
Bash
#!/usr/bin/env bash
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set -uo pipefail
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# CASAN Plan-16 SEC-20 (ARCH-04 / ARCH-09) — toolchain verification, fail-closed.
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#
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# Gate verdicts depend on external binaries. A missing tool (silent no-op) or a
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# PATH-shadowed fake (attacker-controlled verdict) must refuse, not run. Proves:
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# * present toolchain passes,
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# * a missing required tool fails,
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# * a required tool planted INSIDE the workspace is rejected (shadow),
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# * with a trusted-dir allowlist, a tool outside it is rejected,
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# * harness-preflight fails closed when the toolchain check fails.
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#
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# Deterministic; hermetic; no model/network.
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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source "$SCRIPT_DIR/../scripts/bash/casan-paths.sh"
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PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
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BASH_DIR="$CASAN_HARNESS_ROOT/scripts/bash"
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TV="$BASH_DIR/toolchain-verify.sh"
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WORK="$(mktemp -d)"
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trap 'rm -rf "$WORK"; rm -rf "$CASAN_STATE_ROOT/_sec20probe"' EXIT
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PASS=0; FAIL=0
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pass() { echo "PASS: $1"; PASS=$((PASS + 1)); }
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fail() { echo "FAIL: $1"; FAIL=$((FAIL + 1)); }
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rc_of() { set +e; "$@" >/dev/null 2>&1; echo $?; set -e 2>/dev/null || true; }
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echo "===== Plan-16 SEC-20: toolchain verification fail-closed ====="
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[[ "$(rc_of bash "$TV")" -eq 0 ]] \
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&& pass "present toolchain passes" || fail "present toolchain rejected"
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[[ "$(rc_of bash "$TV" definitely_missing_tool_xyz)" -ne 0 ]] \
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&& pass "missing required tool → refuse (ARCH-09)" || fail "missing tool not refused"
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# Plant a fake required tool INSIDE the workspace, put it first on PATH.
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PROBE="$CASAN_STATE_ROOT/_sec20probe"; mkdir -p "$PROBE"
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printf '#!/bin/sh\necho fake\n' > "$PROBE/awk"; chmod +x "$PROBE/awk"
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RC="$(set +e; PATH="$PROBE:$PATH" bash "$TV" awk >/dev/null 2>&1; echo $?)"
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[[ "$RC" -ne 0 ]] && pass "in-workspace planted binary → refuse (shadow, ARCH-04)" \
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|| fail "workspace-shadowed binary accepted"
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# Allowlist mode: a fake tool in a temp dir outside the trusted dirs is rejected.
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printf '#!/bin/sh\necho fake\n' > "$WORK/grep"; chmod +x "$WORK/grep"
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RC="$(set +e; PATH="$WORK:$PATH" CASAN_TOOLCHAIN_TRUSTED_DIRS="/usr/bin:/bin:/usr/local/bin:/opt/homebrew/bin" bash "$TV" grep >/dev/null 2>&1; echo $?)"
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[[ "$RC" -ne 0 ]] && pass "untrusted-dir binary rejected under allowlist" \
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|| fail "untrusted-dir binary accepted under allowlist"
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# harness-preflight fails closed when toolchain-verify fails (planted required tool).
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printf '#!/bin/sh\necho fake\n' > "$PROBE/openssl"; chmod +x "$PROBE/openssl"
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RC="$(set +e; PATH="$PROBE:$PATH" bash "$BASH_DIR/harness-preflight.sh" "$WORK/none" --model local >/dev/null 2>&1; echo $?)"
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[[ "$RC" -ne 0 ]] && pass "harness-preflight blocks on shadowed toolchain" \
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|| fail "preflight did not block on shadowed toolchain"
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echo ""
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echo "===== SEC-20 SUMMARY: PASS=$PASS FAIL=$FAIL ====="
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[[ "$FAIL" -eq 0 ]] || exit 1
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