The last item-level bare allow of backlog#1823 step 10. `SessionDiag` itself is live — `sftp/server.rs` constructs one per accepted connection and `wedge_watchdog` reads `session_id`, `peer` and `last_activity_ms` off it — so the struct-level blanket was covering exactly one field: `accepted_at`, which is written at accept time and never read back. The allow moves onto that field with a reason.
The three remaining `#![allow(dead_code)]` in this crate (`sftp/test_support.rs`, `common/dummy_storage.rs`) are module-root blankets in test-support files, which belong to steps 1-5 rather than step 10.
Refs backlog#1823
The session watchdog now selects its detection method per
platform. It previously probed kernel TCP state through a
Linux-only procfs path, so on macOS every healthy idle session
was killed within a minute, and on Windows the watchdog never
spawned at all, leaving wedged sessions with no cleanup. Linux
keeps its fast-kill watchdog unchanged. Other platforms get a
silence-only backstop that kills a session only at the
documented 30-minute idle ceiling.
The host-key loader now has a Windows arm. It loads OpenSSH
format host keys from the configured directory and logs a
one-time warning to restrict NTFS ACLs on the key directory,
the same operator-managed approach FTPS, WebDAV, KMS, and IAM
already use on Windows. Startup previously aborted with
UnsupportedPlatform because the Unix mode-bit permission check
has no Windows equivalent. tokio's io-uring feature is now
enabled only in Linux builds. io-uring is a Linux kernel
interface and enabling it unconditionally broke the Windows
build.
Co-authored-by: houseme <housemecn@gmail.com>
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