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Add Explicit Session Exit Controls Mini-Features ä2+3

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Commander1024
2026-08-31 04:02:19 +02:00
parent c37fab67db
commit 06bf33b3cf
9 changed files with 77 additions and 16 deletions
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docs/command_reference.md
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@@ -8,6 +8,7 @@ UART0 and authenticated `admin` SSH sessions use the same registered command imp
|---|---|
| `memory` | Show free memory, minimum free memory, and largest blocks for internal RAM, DMA-capable RAM, and PSRAM. |
| `reboot` | Drain console output briefly and restart the ESP32. |
| `exit` | Close the current administrative SSH session after its acknowledgement drains; unavailable on UART0. Ctrl+D on an empty admin SSH command line does the same. |
## Role-based users
@@ -143,7 +144,7 @@ UART0 and admin SSH submit to one bounded queue, and one dispatcher task is the
UART0 and admin SSH use shared whole-line Tab completion. A unique/common prefix expands inline; a Tab that cannot extend an ambiguous prefix prints the matching candidates and redraws the unchanged input line instead of cycling candidates. Admin SSH additionally supports four-entry per-session command history with Up/Down, inline cursor editing with Left/Right, Home/End (including Pos1/Ende terminal sequences), Backspace/Delete, Ctrl-C, and visible or no-echo interactive prompts. Its history is RAM-only, private to the session, and wiped on disconnect. Ping callbacks enqueue bounded typed results so all formatting remains on the dispatcher task.
`reboot`, `ssh stop`, session disconnect, and SSH host-key reset/rotation are deferred until the command acknowledgement has left both the administration output ring and transport TX buffer. The shell stops accepting another command while such an action is pending. SSH host-key replacement or service stop closes all SSH sessions; reconnect and verify the new fingerprint where applicable. Web recovery credentials/certificates, Wi-Fi secrets, and interactive user passwords/keys are available to authenticated administrators and must therefore be treated as remotely accessible administrative material. `user bootstrap` and `user recover --force` remain UART0-only. A connected administrator also cannot generate its own replacement password remotely, preventing the one-time password from being lost during self-revocation. SSH does not provide `exec`, SFTP, SCP, forwarding, or subsystems.
`exit`, `reboot`, `ssh stop`, session disconnect, and SSH host-key reset/rotation are deferred until the command acknowledgement has left both the administration output ring and transport TX buffer. The shell stops accepting another command while such an action is pending. SSH host-key replacement or service stop closes all SSH sessions; reconnect and verify the new fingerprint where applicable. Web recovery credentials/certificates, Wi-Fi secrets, and interactive user passwords/keys are available to authenticated administrators and must therefore be treated as remotely accessible administrative material. `user bootstrap` and `user recover --force` remain UART0-only. A connected administrator also cannot generate its own replacement password remotely, preventing the one-time password from being lost during self-revocation. SSH does not provide `exec`, SFTP, SCP, forwarding, or subsystems.
## Hardware diagnostics