383 lines
17 KiB
Python
383 lines
17 KiB
Python
#!/usr/bin/env python3
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"""
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IwoooS SSH / network / firewall post-incident readback 只讀計畫產生器。
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本工具讀取端口 / 防火牆變更證據驗收 snapshot，建立事故後回讀計畫：
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誰改、何時改、改前改後、影響哪些服務 / AI provider / public route /
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monitoring、是否同步相關產品、如何恢復、如何防再發。它不 SSH、不讀 live
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firewall、不改 port、不做 route smoke、不重啟服務、不打 provider endpoint，
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也不把事故恢復誤判成 runtime authorization。
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"""
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from __future__ import annotations
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import argparse
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import json
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import subprocess
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import sys
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from datetime import datetime, timedelta, timezone
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from pathlib import Path
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from typing import Any
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TAIPEI = timezone(timedelta(hours=8))
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READBACK_FIELDS = [
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"readback_candidate_id",
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"source_change_evidence_candidate_id",
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"surface_id",
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"config_kind",
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"control_tier",
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"expected_scope",
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"write_capable_surface",
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"policy_or_exposure_surface",
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"change_or_incident_ref",
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"actor_attribution_ref",
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"incident_detected_at_ref",
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"change_window_ref",
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"affected_port_or_policy_ref",
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"before_state_ref",
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"after_state_ref",
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"service_dependency_ref",
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"public_route_impact_ref",
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"ai_provider_impact_ref",
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"monitoring_alert_impact_ref",
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"customer_or_product_impact_ref",
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"operator_notification_ref",
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"cross_project_sync_ref",
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"restoration_evidence_ref",
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"postcheck_readback_ref",
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"recurrence_guard_ref",
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"maintenance_window",
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"rollback_owner",
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"reviewer_outcome",
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"followup_owner",
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"not_approval",
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]
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REQUIRED_READBACK_FIELDS = [
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"change_or_incident_ref",
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"actor_attribution_ref",
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"incident_detected_at_ref",
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"change_window_ref",
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"affected_port_or_policy_ref",
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"before_state_ref",
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"after_state_ref",
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"service_dependency_ref",
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"public_route_impact_ref",
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"ai_provider_impact_ref",
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"monitoring_alert_impact_ref",
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"customer_or_product_impact_ref",
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"operator_notification_ref",
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"cross_project_sync_ref",
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"restoration_evidence_ref",
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"postcheck_readback_ref",
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"recurrence_guard_ref",
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"maintenance_window",
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"rollback_owner",
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"followup_owner",
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"redacted_evidence_refs",
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"no_secret_value_attestation",
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"no_raw_firewall_dump_attestation",
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"no_false_green_attestation",
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]
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REVIEWER_CHECKS = [
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{"check_id": "source_change_evidence_current", "instruction": "來源 change evidence snapshot 必須是目前版本。"},
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{"check_id": "incident_ref_present", "instruction": "必須有可追溯 incident / change ref。"},
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{"check_id": "actor_not_anonymous", "instruction": "必須標示 actor role / team，不接受匿名端口關閉。"},
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{"check_id": "before_after_state_present", "instruction": "必須有變更前與恢復後狀態 ref。"},
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{"check_id": "port_policy_redacted", "instruction": "端口、policy、host 只收脫敏 ref 或 alias，不保存 raw dump。"},
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{"check_id": "service_dependency_present", "instruction": "必須列出受影響服務、agent、public route、monitoring 或 deploy path。"},
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{"check_id": "public_route_impact_present", "instruction": "必須列出 public route / admin route / callback 影響 ref。"},
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{"check_id": "ai_provider_impact_present", "instruction": "若影響 Ollama / provider health，需列出脫敏 impact ref。"},
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{"check_id": "monitoring_alert_impact_present", "instruction": "必須列出 alert / SRE / dashboard 影響與 false-green 風險。"},
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{"check_id": "customer_product_impact_present", "instruction": "需標示產品或使用者影響，不得只寫已恢復。"},
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{"check_id": "operator_notification_present", "instruction": "必須有受影響 owner / Session / product 的通知 ref。"},
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{"check_id": "cross_project_sync_present", "instruction": "跨專案同步 ref 必須存在，避免單點修改。"},
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{"check_id": "restoration_evidence_present", "instruction": "必須有恢復時間與恢復證據 ref。"},
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{"check_id": "postcheck_independent", "instruction": "post-check 需獨立於原操作人與 UI 卡片。"},
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{"check_id": "recurrence_guard_present", "instruction": "必須提出防再發 guard、change freeze 或 owner review。"},
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{"check_id": "emergency_classification_present", "instruction": "緊急破窗需標示分類與事後補件責任。"},
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{"check_id": "maintenance_window_present", "instruction": "後續任何 port / firewall 操作都需維護窗口。"},
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{"check_id": "rollback_owner_present", "instruction": "rollback owner 與回復 plan 必須同時存在。"},
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{"check_id": "no_false_green_route_200", "instruction": "不得只用 route 200 / service up 當成事故已驗收。"},
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{"check_id": "raw_firewall_dump_absent", "instruction": "不得保存 raw firewall dump、raw iptables、raw nftables 或 raw ACL。"},
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{"check_id": "secret_or_key_value_absent", "instruction": "不得包含 secret、SSH key、token、cookie、私鑰或 partial secret。"},
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{"check_id": "hidden_impact_absent", "instruction": "不得隱藏 AI provider、registry、monitoring、deploy 或 product route 影響。"},
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{"check_id": "counts_transition_safe", "instruction": "只有 reviewer record 能更新 accepted count，且不得同時開 runtime gate。"},
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{"check_id": "runtime_stays_zero", "instruction": "readback plan 不得觸發任何 SSH、firewall、route smoke、restart 或 production write。"},
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]
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OUTCOME_LANES = [
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{"lane_id": "waiting_post_incident_readback", "meaning": "尚未收到事故回讀包；所有 accepted / runtime count 維持 0。"},
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{"lane_id": "request_actor_supplement", "meaning": "缺 actor / owner / decision 時要求補件。"},
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{"lane_id": "request_before_after_supplement", "meaning": "缺 before / after 或 restoration evidence 時要求補件。"},
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{"lane_id": "request_health_impact_supplement", "meaning": "缺 service / AI provider / monitoring / product impact 時要求補件。"},
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{"lane_id": "quarantine_raw_payload", "meaning": "收到 raw firewall dump、secret 或 key material 時只能隔離。"},
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{"lane_id": "reject_unattributed_incident", "meaning": "無 actor、無 affected scope、無 rollback 或無 notification 的事故回讀不得驗收。"},
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{"lane_id": "ready_for_post_incident_review", "meaning": "metadata 合格後，只能進 reviewer review。"},
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{"lane_id": "incident_readback_only_update", "meaning": "只允許更新只讀 ledger，不得反向視為已批准操作。"},
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{"lane_id": "recurrence_guard_backfill_required", "meaning": "需補防再發 guard、owner review 與 change freeze。"},
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{"lane_id": "waiting_runtime_gate", "meaning": "即使 readback accepted，runtime gate 仍需獨立人工批准。"},
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]
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BLOCKED_ACTIONS = [
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"ssh_read",
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"ssh_write",
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"live_firewall_read",
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"firewall_change",
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"port_change",
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"port_close",
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"port_open",
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"network_policy_apply",
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"nodeport_change",
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"wireguard_change",
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"sudo_action",
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"deploy_ssh_action",
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"route_smoke",
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"public_gateway_reload",
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"nginx_reload",
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"host_restart",
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"docker_restart",
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"systemd_restart",
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"secret_value_collection",
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"ssh_key_collection",
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"raw_firewall_dump_storage",
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"raw_key_material_storage",
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"mark_readback_accepted_without_reviewer_record",
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"mark_incident_resolved_without_postcheck",
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"hide_cross_project_impact",
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"treat_route_200_as_all_green",
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"treat_break_glass_as_approval",
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"close_management_port_without_owner",
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"open_runtime_gate",
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"add_action_button",
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"production_write",
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"active_scan",
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"provider_switch",
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"prompt_send",
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]
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def git_short_sha(root: Path) -> str:
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try:
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result = subprocess.run(
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["git", "rev-parse", "--short", "HEAD"],
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cwd=root,
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check=True,
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capture_output=True,
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text=True,
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)
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return result.stdout.strip()
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except Exception:
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return "unknown"
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def load_json(path: Path) -> dict[str, Any]:
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return json.loads(path.read_text(encoding="utf-8"))
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def is_policy_or_exposure(source: dict[str, Any]) -> bool:
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return source.get("config_kind") in {
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"k8s_network_policy",
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"k8s_nodeport_service",
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"wireguard_runbook",
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}
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def build_candidate(source: dict[str, Any]) -> dict[str, Any]:
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surface_id = source["surface_id"]
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return {
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"readback_candidate_id": f"ssh_network_post_incident_readback:{surface_id}",
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"status": "waiting_post_incident_readback",
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"source_change_evidence_candidate_id": source["change_evidence_candidate_id"],
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"surface_id": surface_id,
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"config_kind": source["config_kind"],
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"control_tier": source["control_tier"],
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"expected_scope": source.get("expected_scope"),
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"write_capable_surface": source["write_capable_surface"],
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"policy_or_exposure_surface": is_policy_or_exposure(source),
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"change_or_incident_ref": None,
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"actor_attribution_ref": None,
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"incident_detected_at_ref": None,
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"change_window_ref": None,
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"affected_port_or_policy_ref": None,
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"before_state_ref": None,
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"after_state_ref": None,
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"service_dependency_ref": None,
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"public_route_impact_ref": None,
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"ai_provider_impact_ref": None,
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"monitoring_alert_impact_ref": None,
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"customer_or_product_impact_ref": None,
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"operator_notification_ref": None,
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"cross_project_sync_ref": None,
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"restoration_evidence_ref": None,
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"postcheck_readback_ref": None,
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"recurrence_guard_ref": None,
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"maintenance_window": "pending_post_incident_readback",
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"rollback_owner": "pending_post_incident_readback",
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"reviewer_outcome": "waiting_post_incident_readback",
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"followup_owner": "pending_post_incident_readback",
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"readback_fields": READBACK_FIELDS,
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"required_readback_fields": REQUIRED_READBACK_FIELDS,
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"reviewer_checks": [item["check_id"] for item in REVIEWER_CHECKS],
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"outcome_lanes": [item["lane_id"] for item in OUTCOME_LANES],
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"blocked_actions": BLOCKED_ACTIONS,
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"not_approval": True,
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"post_incident_readback_received": False,
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"post_incident_readback_accepted": False,
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"actor_attribution_accepted": False,
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"before_after_state_accepted": False,
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"service_dependency_accepted": False,
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"public_route_impact_accepted": False,
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"ai_provider_impact_accepted": False,
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"monitoring_alert_impact_accepted": False,
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"operator_notification_accepted": False,
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"cross_project_sync_accepted": False,
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"restoration_evidence_accepted": False,
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"postcheck_readback_accepted": False,
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"recurrence_guard_accepted": False,
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"maintenance_window_accepted": False,
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"rollback_owner_accepted": False,
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"no_false_green_accepted": False,
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"ssh_read_authorized": False,
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"ssh_write_authorized": False,
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"live_firewall_read_authorized": False,
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"firewall_change_authorized": False,
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"port_change_authorized": False,
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"port_close_authorized": False,
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"port_open_authorized": False,
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"network_policy_apply_authorized": False,
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"nodeport_change_authorized": False,
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"wireguard_change_authorized": False,
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"route_smoke_authorized": False,
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"host_restart_authorized": False,
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"secret_value_collection_allowed": False,
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"active_scan_authorized": False,
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"provider_switch_authorized": False,
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"prompt_send_authorized": False,
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"runtime_gate": False,
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"action_buttons_allowed": False,
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"production_write_authorized": False,
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}
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def build_report(root: Path, source_report: dict[str, Any], generated_at: str | None) -> dict[str, Any]:
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report_time = generated_at or datetime.now(TAIPEI).isoformat(timespec="seconds")
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source_candidates = source_report.get("change_evidence_candidates", [])
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readback_candidates = [build_candidate(item) for item in source_candidates]
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write_capable = [item for item in readback_candidates if item["write_capable_surface"]]
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policy_or_exposure = [item for item in readback_candidates if item["policy_or_exposure_surface"]]
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return {
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"schema_version": "ssh_network_post_incident_readback_plan_v1",
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"generated_at": report_time,
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"git_commit": git_short_sha(root),
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"status": "post_incident_readback_plan_ready_no_runtime_action",
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"source_schema_version": source_report.get("schema_version"),
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"source_status": source_report.get("status"),
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"source_paths": [
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"docs/security/PORT-FIREWALL-CHANGE-EVIDENCE-ACCEPTANCE.md",
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"docs/security/port-firewall-change-evidence-acceptance.snapshot.json",
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"docs/security/SSH-NETWORK-OWNER-RESPONSE-ACCEPTANCE.md",
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"docs/security/ssh-network-owner-response-acceptance.snapshot.json",
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],
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"summary": {
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"readback_candidate_count": len(readback_candidates),
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"write_capable_readback_candidate_count": len(write_capable),
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"policy_or_exposure_readback_candidate_count": len(policy_or_exposure),
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"health_impact_review_required_candidate_count": len(readback_candidates),
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"cross_project_sync_required_candidate_count": len(readback_candidates),
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"recurrence_guard_required_candidate_count": len(readback_candidates),
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"readback_field_count": len(READBACK_FIELDS),
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"required_readback_field_count": len(REQUIRED_READBACK_FIELDS),
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"reviewer_check_count": len(REVIEWER_CHECKS),
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"outcome_lane_count": len(OUTCOME_LANES),
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"blocked_action_count": len(BLOCKED_ACTIONS),
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"post_incident_readback_received_count": 0,
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"post_incident_readback_accepted_count": 0,
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"actor_attribution_accepted_count": 0,
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"before_after_state_accepted_count": 0,
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"service_dependency_accepted_count": 0,
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"public_route_impact_accepted_count": 0,
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"ai_provider_impact_accepted_count": 0,
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"monitoring_alert_impact_accepted_count": 0,
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"operator_notification_accepted_count": 0,
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"cross_project_sync_accepted_count": 0,
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"restoration_evidence_accepted_count": 0,
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"postcheck_readback_accepted_count": 0,
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"recurrence_guard_accepted_count": 0,
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"no_false_green_accepted_count": 0,
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"runtime_gate_count": 0,
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"action_button_count": 0,
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"coverage_percent_after_readback_plan": 64,
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},
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"required_readback_fields": REQUIRED_READBACK_FIELDS,
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"reviewer_checks": REVIEWER_CHECKS,
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"outcome_lanes": OUTCOME_LANES,
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"blocked_actions": BLOCKED_ACTIONS,
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"readback_candidates": readback_candidates,
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"boundaries": {
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"not_authorization": True,
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"ssh_read_authorized": False,
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"ssh_write_authorized": False,
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"live_firewall_read_authorized": False,
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"firewall_change_authorized": False,
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"port_change_authorized": False,
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"port_close_authorized": False,
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"port_open_authorized": False,
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"network_policy_apply_authorized": False,
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"nodeport_change_authorized": False,
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"wireguard_change_authorized": False,
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"route_smoke_authorized": False,
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"host_restart_authorized": False,
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"secret_value_collection_allowed": False,
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"active_scan_authorized": False,
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"provider_switch_authorized": False,
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"prompt_send_authorized": False,
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"runtime_execution_authorized": False,
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"production_write_authorized": False,
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"action_buttons_allowed": False,
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},
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}
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def main() -> int:
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--root", default=".")
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parser.add_argument(
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"--source-change-evidence-report",
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default="docs/security/port-firewall-change-evidence-acceptance.snapshot.json",
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)
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parser.add_argument(
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"--output",
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default="docs/security/ssh-network-post-incident-readback-plan.snapshot.json",
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)
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parser.add_argument("--generated-at")
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args = parser.parse_args()
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root = Path(args.root).resolve()
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source_report = load_json(root / args.source_change_evidence_report)
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report = build_report(root, source_report, args.generated_at)
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payload = json.dumps(report, ensure_ascii=False, indent=2, sort_keys=True)
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output_path = root / args.output
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output_path.parent.mkdir(parents=True, exist_ok=True)
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output_path.write_text(payload + "\n", encoding="utf-8")
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summary = report["summary"]
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print(
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"SSH_NETWORK_POST_INCIDENT_READBACK_PLAN_OK "
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f"candidates={summary['readback_candidate_count']} "
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f"checks={summary['reviewer_check_count']} "
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f"lanes={summary['outcome_lane_count']} "
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f"accepted={summary['post_incident_readback_accepted_count']} "
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f"runtime_gate={summary['runtime_gate_count']}"
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)
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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