Commit Graph
2 Commits
Author SHA1 Message Date
Martin Oehlert 399d78b938 security: path validation, ReDoS prevention, picomatch, PID-based file lock
- Add validateProjectPath() to reject sensitive system directories
- Add isPathWithinRoot/isPathWithinRootReal for symlink-aware path checks
- Replace hand-rolled glob-to-regex with picomatch to prevent ReDoS
- Add isSafeRegex() to reject custom patterns with nested quantifiers
- Replace FileLock with PID-tracking version that detects stale locks
- Add symlink detection in removeDirectory/listDirectoryContents
- Add subdirectory name validation in ensureSubdirectory
- Add atomicWriteFileSync and corrupted file backup in config-writer
- Add MCP input validation (validateString) for all tool handlers
- Fix CLAUDE.md section replacement to handle ### subsections correctly
2026-02-10 11:22:04 +01:00
Colby McHenryandClaude Opus 4.6 41c49ce83d Add security hardening test suite (28 tests)
Tests cover all security utilities introduced in the previous commit:
- validatePathWithinRoot: path traversal prevention (7 tests)
- safeJsonParse: corrupted JSON fallback handling (6 tests)
- clamp: input range clamping (5 tests)
- FileLock: cross-process file locking (7 tests)
- Atomic config writes: temp file + rename pattern (3 tests)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-09 23:21:36 -06:00