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Phase 02: Safety & Sandboxing - 4 plans in 3 waves - Security assessment, sandbox execution, audit logging, integration - Wave 1 parallel: assessment (02-01) + sandbox (02-02) - Wave 2: audit logging (02-03) - Wave 3: integration (02-04) - Ready for execution
107 lines
4.8 KiB
Markdown
107 lines
4.8 KiB
Markdown
---
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phase: 02-safety-sandboxing
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plan: 03
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type: execute
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wave: 2
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depends_on: [02-01, 02-02]
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files_modified: [src/audit/__init__.py, src/audit/logger.py, src/audit/crypto_logger.py, config/audit.yaml]
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autonomous: true
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must_haves:
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truths:
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- "All security-sensitive operations are logged with tamper detection"
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- "Audit logs use SHA-256 hash chains for integrity"
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- "Logs contain timestamps, code diffs, security events, and resource usage"
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- "Log tampering is detectable through cryptographic verification"
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artifacts:
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- path: "src/audit/crypto_logger.py"
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provides: "Tamper-proof logging system"
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min_lines: 60
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- path: "src/audit/logger.py"
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provides: "Standard audit logging interface"
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min_lines: 30
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- path: "config/audit.yaml"
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provides: "Audit logging policies"
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contains: "retention_period, log_level, hash_chain"
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key_links:
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- from: "src/audit/crypto_logger.py"
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to: "cryptography library"
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via: "SHA-256 hashing"
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pattern: "hashlib.sha256"
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- from: "src/audit/crypto_logger.py"
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to: "previous hash chain"
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via: "hash linking"
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pattern: "prev_hash.*current_hash"
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- from: "config/audit.yaml"
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to: "log retention policy"
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via: "retention configuration"
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pattern: "retention.*days"
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---
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<objective>
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Create tamper-proof audit logging system with cryptographic integrity protection.
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Purpose: Implement comprehensive audit logging for all security-sensitive operations with SHA-256 hash chains to detect tampering, following CONTEXT.md requirements for timestamps, code diffs, security events, and resource usage logging.
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Output: Working audit logger with tamper detection and configurable retention policies.
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</objective>
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<execution_context>
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@~/.opencode/get-shit-done/workflows/execute-plan.md
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@~/.opencode/get-shit-done/templates/summary.md
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</execution_context>
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<context>
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@.planning/PROJECT.md
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@.planning/ROADMAP.md
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@.planning/STATE.md
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# Research references
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@.planning/phases/02-safety-sandboxing/02-RESEARCH.md
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</context>
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<tasks>
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<task type="auto">
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<name>Task 1: Create tamper-proof audit logger</name>
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<files>src/audit/__init__.py, src/audit/crypto_logger.py</files>
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<action>Create TamperProofLogger class implementing SHA-256 hash chains for tamper detection. Each log entry contains: timestamp, event type, code diffs, security events, resource usage, current hash, previous hash, and cryptographic signature. Use cryptography library for SHA-256 hashing and digital signatures. Include methods: log_event(event), verify_chain(), get_logs(). Handle hash chain continuity and integrity verification.</action>
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<verify>python -c "from src.audit.crypto_logger import TamperProofLogger; print('TamperProofLogger imported successfully')"</verify>
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<done>TamperProofLogger creates hash chain entries, detects tampering, maintains integrity</done>
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</task>
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<task type="auto">
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<name>Task 2: Implement audit logging interface</name>
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<files>src/audit/logger.py</files>
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<action>Create AuditLogger class that provides high-level interface for logging security events. Integrate with TamperProofLogger for integrity protection. Include methods: log_code_execution(code, result), log_security_assessment(assessment), log_container_creation(config), log_resource_violation(violation). Format log entries per CONTEXT.md specifications with comprehensive event details.</action>
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<verify>python -c "from src.audit.logger import AuditLogger; print('AuditLogger imported successfully')"</verify>
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<done>AuditLogger provides convenient interface for all security-related logging</done>
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</task>
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<task type="auto">
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<name>Task 3: Configure audit policies</name>
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<files>config/audit.yaml</files>
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<action>Create config/audit.yaml with audit logging policies: retention_period (30 days default), log_level (comprehensive), hash_chain_enabled (true), storage_location, alert_thresholds, and log rotation settings. Include Claude's discretion items for configurable retention, storage format, and alerting mechanisms per CONTEXT.md.</action>
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<verify>python -c "import yaml; print('Audit config loads:', yaml.safe_load(open('config/audit.yaml'))')"</verify>
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<done>Audit configuration defines retention, storage, and alerting policies</done>
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</task>
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</tasks>
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<verification>
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- TamperProofLogger creates proper hash chain entries
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- SHA-256 hashing works correctly
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- Hash chain tampering is detectable
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- AuditLogger integrates with crypto logger
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- All security event types are logged
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- Configuration file defines proper policies
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- Log retention and rotation work correctly
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</verification>
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<success_criteria>
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Tamper-proof audit logging system operational with cryptographic integrity protection, comprehensive event logging, and configurable retention policies.
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</success_criteria>
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<output>
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After completion, create `.planning/phases/02-safety-sandboxing/02-03-SUMMARY.md`
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</output> |