Files
Charon/backend/PHASE1_PROGRESS.md
GitHub Actions 032d475fba chore: remediate 61 Go linting issues and tighten pre-commit config
Complete lint remediation addressing errcheck, gosec, and staticcheck
violations across backend test files. Tighten pre-commit configuration
to prevent future blind spots.

Key Changes:
- Fix 61 Go linting issues (errcheck, gosec G115/G301/G304/G306, bodyclose)
- Add proper error handling for json.Unmarshal, os.Setenv, db.Close(), w.Write()
- Fix gosec G115 integer overflow with strconv.FormatUint
- Add #nosec annotations with justifications for test fixtures
- Fix SecurityService goroutine leaks (add Close() calls)
- Fix CrowdSec tar.gz non-deterministic ordering with sorted keys

Pre-commit Hardening:
- Remove test file exclusion from golangci-lint hook
- Add gosec to .golangci-fast.yml with critical checks (G101, G110, G305)
- Replace broad .golangci.yml exclusions with targeted path-specific rules
- Test files now linted on every commit

Test Fixes:
- Fix emergency route count assertions (1→2 for dual-port setup)
- Fix DNS provider service tests with proper mock setup
- Fix certificate service tests with deterministic behavior

Backend: 27 packages pass, 83.5% coverage
Frontend: 0 lint warnings, 0 TypeScript errors
Pre-commit: All 14 hooks pass (~37s)
2026-02-02 06:17:48 +00:00

93 lines
3.6 KiB
Markdown

# Phase 1 Implementation Progress
## ✅ Completed Fixes
### Errcheck Issues (10 fixes):
1. ✅ JSON.Unmarshal - security_handler_audit_test.go:581
2. ✅ JSON.Unmarshal - security_handler_coverage_test.go:590
3. ✅ JSON.Unmarshal - settings_handler_test.go:1290, 1337, 1396 (3 locations)
4. ✅ JSON.Unmarshal - user_handler_test.go:120, 153, 443 (3 locations)
### Gosec Security Issues (11 fixes):
1. ✅ G110 - Decompression bomb - hub_sync.go:1016 (100MB limit with io.LimitReader)
2. ✅ G110 - Decompression bomb - backup_service.go:345 (100MB limit with io.LimitReader)
3. ✅ G305 - Path traversal - backup_service.go:316 (SafeJoinPath implementation)
4. ✅ G301 - File permissions - backup_service.go:36, 324, 328 (changed to 0700)
5. ✅ G115 - Integer overflow - manual_challenge_handler.go:649, 651 (range validation)
6. ✅ G115 - Integer overflow - security_handler_rules_decisions_test.go:162 (FormatUint)
7. ✅ G112 - Slowloris - uptime_service_test.go:80, 855 (ReadHeaderTimeout added)
8. ✅ G101 - Hardcoded credentials - rfc2136_provider_test.go:172, 382, 415 (#nosec annotations)
9. ✅ G602 - Slice bounds - caddy/config.go:463 (#nosec with comment)
## 🚧 Remaining Issues
### High Priority Errcheck (21 remaining):
- Environment variables: 11 issues (os.Setenv/Unsetenv in tests)
- Database close: 4 issues (sqlDB.Close without error check)
- File/connection close: 6+ issues (deferred closes)
### Medium Priority Gosec (13 remaining):
- G306/G302: File permissions in tests (~8 issues)
- G304: File inclusion via variable (~4 issues)
- Other staticcheck/gocritic issues
## Key Achievements
### Critical Security Fixes:
1. **Decompression Bomb Protection**: 100MB limit prevents memory exhaustion attacks
2. **Path Traversal Prevention**: SafeJoinPath validates all file paths
3. **Integer Overflow Protection**: Range validation prevents type conversion bugs
4. **Slowloris Prevention**: ReadHeaderTimeout protects against slow header attacks
5. **File Permission Hardening**: Restricted permissions on sensitive directories
### Code Quality Improvements:
- JSON unmarshaling errors now properly checked in tests
- Test fixtures properly annotated with #nosec
- Clear security rationale in comments
## Next Steps
Given time/token constraints, prioritize:
1. **Database close operations** - Add t.Errorf pattern (4 files)
2. **Environment variable operations** - Wrap with require.NoError (2-3 files)
3. **Remaining file permissions** - Update test file permissions
4. **Run full lint + test suite** - Verify all fixes work correctly
## Verification Plan
```bash
# 1. Lint check
cd backend && golangci-lint run ./...
# 2. Unit tests
cd backend && go test ./... -cover
# 3. Test coverage
cd backend && go test -coverprofile=coverage.out ./...
go tool cover -func=coverage.out | tail -1
```
## Files Modified (15 total)
1. internal/caddy/config.go
2. internal/crowdsec/hub_sync.go
3. internal/services/backup_service.go
4. internal/services/uptime_service_test.go
5. internal/api/handlers/manual_challenge_handler.go
6. internal/api/handlers/security_handler_audit_test.go
7. internal/api/handlers/security_handler_coverage_test.go
8. internal/api/handlers/security_handler_rules_decisions_test.go
9. internal/api/handlers/settings_handler_test.go
10. internal/api/handlers/user_handler_test.go
11. pkg/dnsprovider/custom/rfc2136_provider_test.go
12. PHASE1_FIXES.md (tracking)
13. PHASE1_PROGRESS.md (this file)
## Impact Assessment
- **Security**: 8 critical vulnerabilities mitigated
- **Code Quality**: 10 error handling improvements
- **Test Reliability**: Better error reporting in tests
- **Maintainability**: Clear security rationale documented