Files
reverse-proxy/tasks/fix/json-format-without-logfile.md
glm-5.1 54f1725173 Decompose security review #003 findings into 17 fix tasks and 1 review task
Address 4 critical, 8 warning, and 5 suggestion findings from the
security and bug review by creating atomic, dependency-ordered tasks:

Critical fixes (C1-C4): rate limiter IP source (ADR-025), InFlightCounter
increment + drain interval, connector timeout ceiling (ADR-026), JSON format
without log file.

Validation tightening (W1, W2): upstream host validation, ACME contact email
validation.

Robustness (W3, W4, W5, W12): upstream URI error handling (502 not silent
drop), admin socket resource limits (ADR-027), TlsMode wildcard mismatch,
http_port u32→u16.

Code quality (W6, W10, W11, S1, S3, W8/W9): config type consolidation,
TokenBucket field visibility, reload_mutex #[cfg(test)], dead code removal,
root cert count logging, misleading test names.

Test coverage (S10): rate limiter ConnectInfo tests (depends on C1 fix).

Review: post-security-fix-review checkpoint covering all critical fixes
and sensitive config consolidation path.
2026-06-12 13:42:37 +00:00

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1.6 KiB
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---
id: fix/json-format-without-logfile
name: Fix JSON format not applied when no log file is configured (C4)
status: pending
depends_on: []
scope: single
risk: trivial
impact: isolated
level: implementation
review_findings: [C4]
---
## Description
When `format = "json"` is configured but no `log_file_path` is set, the `None`
branch of `init_json` creates a layer **without** calling `.json()`. The output
is plain text, not JSON. The `format = "json"` config value is silently ignored.
The spec (operations.md) states: "Both output destinations must respect the
`format` config value: when `format = "json"`, both file and stdout output must
use JSON formatting."
### Changes Required
**`src/logging/mod.rs`** — `init_json` function, `None` branch (lines 54-58):
- Add `.json()` to the stdout-only layer:
```rust
None => {
let layer = tracing_subscriber::fmt::layer()
.json()
.with_ansi(false)
.with_filter(env_filter);
tracing_subscriber::registry().with(layer).try_init()?;
}
```
## Acceptance Criteria
- [ ] `.json()` is called in the `None` branch of `init_json`
- [ ] `format = "json"` with no `log_file_path` produces JSON output on stdout
- [ ] `format = "json"` with `log_file_path` still produces JSON on both outputs
- [ ] `format = "text"` paths are unchanged
- [ ] `cargo test` passes
- [ ] `cargo clippy` passes with no warnings
## References
- docs/architecture/operations.md — logging output, format guarantee
- docs/reviews/003-security-and-bug-review.md — C4 finding
- src/logging/mod.rs — `init_json` function
## Notes
> To be filled on completion
## Summary
> To be filled on completion