thanhnvandClaude Opus 4.8
2c765c9a45
Task 1.2: introduce a single path resolver so no harness script hardcodes `.specify/...` scattered across the tree. casan-paths.sh resolves four roots (HARNESS/STATE/GOVERNANCE/APP) by marker-based walk-up from its own location — never `git rev-parse` (git root is the repo PARENT here, not the app dir). - 101 bash scripts/tests: 238 hardcoded `$PROJECT_ROOT/.specify/...` refs rewritten to CASAN_HARNESS_ROOT (code) / CASAN_STATE_ROOT (logs,state) / CASAN_GOVERNANCE_ROOT. Sandbox test vars ($WORK/$TP/$FP/$T1_WORK) left untouched. - Roots are NOT exported: each script/subprocess self-resolves from its own tree, matching the original per-script semantics and preserving hermetic sandbox isolation (node casan-step.mjs, copied telemetry/rollback scripts must not inherit real roots). - Sandbox tests that copy a harness script now also copy casan-paths.sh (its new sibling dependency): adversarial (verify-audit-chain/verify-tool-audit/rollback) + track-a (security-check/telemetry-integrity). - control-plane-settings.json reclassified as STATE (untracked runtime store). Roots all still resolve to `.specify` in this monolithic layout, so behavior is unchanged. Full gate: PASS=64 FAIL=0 SKIP=3 (adversarial 44/0, track-a 25/0). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
73 lines
3.6 KiB
Bash
73 lines
3.6 KiB
Bash
#!/usr/bin/env bash
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set -uo pipefail
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# CASAN Plan-16 SEC-24 (SC-05/06, offline) — supply-chain build-file integrity.
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#
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# Proves (no network):
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# * image-pin: a Dockerfile/workflow using a floating tag (`:latest`, `:20`, or no
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# tag) is a violation; digest-pinned (`@sha256:`) and `scratch`/build-stage names
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# are OK,
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# * sign/verify: a signed workflow verifies; tampered/forged/UNSIGNED is REFUSED.
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#
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# Deterministic; hermetic; uses openssl (skip-aware).
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SCRIPT_DIR="$(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 "$SCRIPT_DIR/../.." && pwd)"
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SCI="$CASAN_HARNESS_ROOT/scripts/bash/supply-chain-integrity.sh"
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WORK="$(mktemp -d)"
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trap 'rm -rf "$WORK"' EXIT
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DIG="sha256:$(printf 'a%.0s' {1..64})"
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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 $?; set -e 2>/dev/null || true; }
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echo "===== Plan-16 SEC-24: supply-chain build-file integrity (offline) ====="
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# --- image-pin: floating tag -> violation ---
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printf 'FROM ubuntu:latest\nRUN echo hi\n' > "$WORK/Dockerfile.bad"
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[[ "$(rc_of bash "$SCI" image-pin "$WORK/Dockerfile.bad")" -eq 2 ]] \
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&& pass "floating tag (:latest) flagged as unpinned" || fail "floating tag not flagged"
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printf 'FROM node:20\n' > "$WORK/Dockerfile.tag"
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[[ "$(rc_of bash "$SCI" image-pin "$WORK/Dockerfile.tag")" -eq 2 ]] \
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&& pass "version tag without digest flagged" || fail "version tag not flagged"
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# --- image-pin: digest-pinned + scratch + build stage -> OK ---
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printf 'FROM scratch\nFROM ubuntu@%s AS base\nFROM base\nRUN echo ok\n' "$DIG" > "$WORK/Dockerfile.ok"
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[[ "$(rc_of bash "$SCI" image-pin "$WORK/Dockerfile.ok")" -eq 0 ]] \
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&& pass "digest-pinned + scratch + build-stage accepted (no false positive)" || fail "pinned Dockerfile wrongly flagged"
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# --- workflow image ---
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printf 'jobs:\n build:\n image: node:20\n' > "$WORK/wf.bad.yml"
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[[ "$(rc_of bash "$SCI" image-pin "$WORK/wf.bad.yml")" -eq 2 ]] \
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&& pass "workflow floating image flagged" || fail "workflow floating image not flagged"
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printf 'jobs:\n build:\n image: node@%s\n' "$DIG" > "$WORK/wf.ok.yml"
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[[ "$(rc_of bash "$SCI" image-pin "$WORK/wf.ok.yml")" -eq 0 ]] \
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&& pass "workflow digest-pinned image accepted" || fail "workflow pinned image wrongly flagged"
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# --- sign / verify workflow ---
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command -v openssl >/dev/null 2>&1 || { echo "(openssl absent — skipping sign/verify)"; echo "===== SEC-24 SUMMARY: PASS=$PASS FAIL=$FAIL ====="; [[ "$FAIL" -eq 0 ]] || exit 1; exit 0; }
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openssl genrsa -out "$WORK/wf.priv.pem" 2048 2>/dev/null
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openssl rsa -in "$WORK/wf.priv.pem" -pubout -out "$WORK/wf.pub.pem" 2>/dev/null
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openssl genrsa -out "$WORK/atk.priv.pem" 2048 2>/dev/null
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cp "$WORK/wf.ok.yml" "$WORK/wf1.yml"; bash "$SCI" sign "$WORK/wf1.yml" "$WORK/wf.priv.pem" >/dev/null 2>&1
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[[ "$(rc_of bash "$SCI" verify "$WORK/wf1.yml" "$WORK/wf.pub.pem")" -eq 0 ]] \
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&& pass "signed workflow verifies" || fail "signed workflow rejected"
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cp "$WORK/wf.ok.yml" "$WORK/wf2.yml"; bash "$SCI" sign "$WORK/wf2.yml" "$WORK/wf.priv.pem" >/dev/null 2>&1
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printf 'jobs:\n build:\n image: evil:latest\n' > "$WORK/wf2.yml" # tamper after signing
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[[ "$(rc_of bash "$SCI" verify "$WORK/wf2.yml" "$WORK/wf.pub.pem")" -eq 2 ]] \
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&& pass "tampered workflow REFUSED" || fail "tampered workflow accepted"
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cp "$WORK/wf.ok.yml" "$WORK/wf3.yml" # no signature produced
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[[ "$(rc_of bash "$SCI" verify "$WORK/wf3.yml" "$WORK/wf.pub.pem")" -eq 3 ]] \
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&& pass "UNSIGNED workflow fails CLOSED" || fail "unsigned workflow not refused"
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echo ""
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echo "===== SEC-24 SUMMARY: PASS=$PASS FAIL=$FAIL ====="
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[[ "$FAIL" -eq 0 ]] || exit 1
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