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>
73 lines
3.7 KiB
Bash
73 lines
3.7 KiB
Bash
#!/usr/bin/env bash
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set -uo pipefail
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# CASAN Plan-16 SEC-15 — low-cluster hardening.
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# * supply-chain typosquat: catch distance<=2 (was distance==1), no false positives
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# (levenshtein length sentinel fixed so it no longer collides with the threshold),
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# * tool-exec: fail CLOSED in enforced mode when no timeout backend exists,
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# * validate-tool-input: recurse into nested objects/arrays (was one level deep).
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#
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# Deterministic; hermetic.
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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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S="$CASAN_HARNESS_ROOT/scripts/bash"
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WORK="$(mktemp -d)"
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trap 'rm -rf "$WORK"' 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 $?; set -e 2>/dev/null || true; }
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echo "===== Plan-16 SEC-15: low-cluster hardening ====="
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# ---- typosquat (distance<=2) ----
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printf '{"dependencies":{}}' > "$WORK/base.json"
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printf 'requests\nnumpy\nexpress\n' > "$WORK/known.txt"; : > "$WORK/deny.txt"
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scan() { python3 "$S/supply-chain-scan.py" "$1" "$WORK/base.json" "$WORK/known.txt" "$WORK/deny.txt" "$WORK/r.json" "" >/dev/null 2>&1; }
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printf '{"dependencies":{"reqeusts":"1.0.0"}}' > "$WORK/m1.json"; scan "$WORK/m1.json"
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grep -q "typosquat_of:requests" "$WORK/r.json" \
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&& pass "2-char typosquat (reqeusts→requests) flagged" || fail "2-char typosquat missed"
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printf '{"dependencies":{"fastapi":"1.0.0"}}' > "$WORK/m2.json"; scan "$WORK/m2.json"
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grep -q "typosquat" "$WORK/r.json" \
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&& fail "legit package fastapi false-flagged as typosquat" \
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|| pass "legit distant package not false-flagged (levenshtein sentinel fixed)"
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# ---- tool-exec fail-closed when no timeout backend ----
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# Hermetic: build a PATH that contains ONLY bash (no timeout, no perl) so the
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# no-backend branch is reached regardless of the host's /usr layout. On
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# merged-/usr systems /bin is a symlink to /usr/bin, so PATH=/bin would still
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# find timeout/perl — the old heuristic only worked on split-/usr (e.g. macOS).
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ONLYBIN="$WORK/onlybin"; mkdir -p "$ONLYBIN"
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BASH_BIN="$(command -v bash)"
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ln -sf "$BASH_BIN" "$ONLYBIN/bash"
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[[ "$(set +e; PATH="$ONLYBIN" CASAN_TOOL_EXEC_STRICT=1 "$BASH_BIN" "$S/tool-exec.sh" 2 -- echo hi >/dev/null 2>&1; echo $?)" -eq 2 ]] \
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&& pass "tool-exec refuses (fail-closed) with no timeout backend in enforced mode" \
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|| fail "tool-exec did not fail closed without a timeout backend"
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[[ "$(set +e; PATH="$ONLYBIN" "$BASH_BIN" "$S/tool-exec.sh" 2 -- echo hi >/dev/null 2>&1; echo $?)" -eq 0 ]] \
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&& pass "tool-exec dev: runs without backend (backward compatible)" \
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|| fail "tool-exec dev mode broke"
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# ---- validate-tool-input recursion ----
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cat > "$WORK/schema.json" <<'J'
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{"type":"object","additionalProperties":false,"properties":{
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"cfg":{"type":"object","additionalProperties":false,"properties":{"port":{"type":"integer"}}}}}
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J
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printf '{"cfg":{"port":8080}}' > "$WORK/ok.json"
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printf '{"cfg":{"port":"NOPE"}}' > "$WORK/badtype.json"
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printf '{"cfg":{"port":80,"evil":"x"}}' > "$WORK/badextra.json"
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[[ "$(rc_of bash "$S/validate-tool-input.sh" "$WORK/schema.json" "$WORK/ok.json")" -eq 0 ]] \
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&& pass "valid nested object accepted" || fail "valid nested object rejected"
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[[ "$(rc_of bash "$S/validate-tool-input.sh" "$WORK/schema.json" "$WORK/badtype.json")" -eq 2 ]] \
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&& pass "nested wrong type rejected (recursion)" || fail "nested wrong type slipped through"
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[[ "$(rc_of bash "$S/validate-tool-input.sh" "$WORK/schema.json" "$WORK/badextra.json")" -eq 2 ]] \
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&& pass "nested unexpected field rejected (recursion)" || fail "nested unexpected field slipped through"
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echo ""
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echo "===== SEC-15 SUMMARY: PASS=$PASS FAIL=$FAIL ====="
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[[ "$FAIL" -eq 0 ]] || exit 1
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