Commit Graph
4 Commits
Author SHA1 Message Date
enricobuehler ce8f3e9eaf feat(packaging): the plugin runner becomes a default component
WP6.1 of design/library-scanner-plugins-implementation-plan.md.

The library is a flagship surface and cannot depend on an opt-in subsystem
(design D9, closing G9): once the scanners are plugins, a host whose runner is
off comes up with an empty library and no obvious reason why. The security
posture for on-by-default was already built and shipped — LocalService on
Windows, a sandboxed systemd --user unit on Linux, the scoped plugin-token lane.

Windows (.iss): the PunktfunkScripting task is registered ENABLED and started on
a FRESH install, and left to the existing restore path on an upgrade. The
distinction is a new TaskExists probe taken before StopBunRuntimes disables
anything — TaskEnabled alone cannot tell a fresh install from an operator who
deliberately turned the runner off, and defaulting to "on" would silently switch
it back on for them.

deb/rpm: `systemctl --global enable` from the postinst/%post, guarded to first
install only so an upgrade never undoes a mask. `--global` because a maintainer
script has no user session to act on, and it is the only mechanism that makes a
--user unit on-by-default for everyone.

sysext: RPM scriptlets never run from a sysext image, so the enablement symlink
is baked in directly (/usr/lib/systemd/user/default.target.wants/). Without it
the runner would ship present-but-off on exactly the platform where an operator
is least likely to go looking for it.

Opt-out throughout is `systemctl --user mask punktfunk-scripting` — `mask`, not
`disable`, since a plain disable cannot remove a symlink under /etc or /usr. The
unit comment, both package descriptions, and the docs-site plugins page all say
so; the page also gains the Windows equivalent.

Not gated on hardware: none of this is verifiable from a Mac. The .iss change
needs an installer run (fresh + upgrade, and an upgrade with the task
deliberately disabled), and the deb/rpm/sysext changes need a package build.
2026-08-05 10:08:11 +02:00
enricobuehlerandClaude Opus 5 365caa23be fix(plugins): plugin output reaches the console's log page, and /tmp is no longer hidden from the runner
A user could not get the VirtualHere plugin to use their VirtualHere client
and asked, reasonably, where the logs were. There was no good answer, and the
reason they were stuck turned out to be ours.

**The runner could not see /tmp.** `punktfunk-scripting.service` set
PrivateTmp=yes, which hands the unit a private tmpfs. But integrating with
things already running on the box is the entire job of a plugin, and on Linux
those talk over /tmp: VirtualHere's client IPC is the FIFO pair /tmp/vhclient +
/tmp/vhclient_response, X11 is /tmp/.X11-unix. So the plugin launched the vendor
binary happily and could then never reach the daemon behind it — while the same
command worked perfectly in the operator's own shell, because that shell has the
real /tmp. No config change could fix it, which is exactly the loop the report
described. PrivateTmp is now off, with /tmp added to ReadWritePaths (which
ProtectSystem=strict would otherwise make read-only).

**Plugin logs now land in the console.** Plugins are not host child processes —
the runner is a separate bun process that import()s each plugin in-process — so
nothing they print passed through the host's tracing, and the console's Logs
page could not show a single plugin line. The fallback was journalctl on Linux;
on Windows the runner's scheduled task writes no log file at all, so a failing
plugin was diagnosable only by stopping the task and re-running the runner by
hand. Both mean shell access on the host box, which is what the console exists
to avoid — and it left the one question a stuck user asks with no answer.

So the runner now tees its output to POST /api/v1/plugins/logs, and those lines
join the host's own ring under one cursor, targeted plugin:<name>. The console
grows a Host/Plugins switch beside the level filter; an empty Plugins view says
the thing that is actually usually wrong (the runner isn't running) rather than
"adjust the filter".

The shipper keeps stdout authoritative — journald and foreground output are
unchanged whatever the host is doing — and is built so that logging can never
hurt the thing being logged: it never throws into a caller, holds a bounded
queue that drops oldest and then says how many, backs off when the host is away
(a restart is normal), and re-sends a batch the host failed to take. Lines
logged while a POST is in flight are kept, which cost one round to get right:
the first version held its recursion guard across the await and silently dropped
exactly the lines a busy plugin produces.

Runner lines that report a failure (a refused unit file, a crashed plugin, a
give-up) now go out at warn/error instead of all arriving as INFO, so the
console's level filter means something for them.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 15:47:51 +02:00
enricobuehlerandClaude Fable 5 7b7231fdbe feat(security): gate public-registry plugin installs + sandbox the runner unit
Supply chain: resolvePackage() used to pass any punktfunk-plugin-* or
foreign-scope name straight to bun add — a typo or a squatted look-alike
on npmjs.org would install operator-privileged code. Only the @punktfunk
scope (pinned to the Gitea registry by the bunfig scope map) resolves by
default now; anything else throws with an explanation unless
--allow-public-registry is passed, and even then installs print a loud
warning. Removal never gates — uninstalling stays safe regardless of
origin.

systemd (user unit): free hardening for well-behaved plugins —
NoNewPrivileges, PrivateTmp, ProtectSystem=strict with ReadWritePaths=%h
(plugin state and download dirs under $HOME keep working), and
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6. Plugins writing
outside $HOME, and distros that restrict unprivileged user namespaces
for user units, are handled via a documented systemctl --user edit
drop-in.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-20 00:45:27 +02:00
enricobuehlerandClaude Opus 4.8 e7a8cf2bba feat(packaging): nix web console + plugin/script runner everywhere; fix tray zbus/tokio crash
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Ship the management web console and the plugin/script runner across the packaging
matrix, and fix a Linux tray startup crash.

- nix: add punktfunk-web (Nitro SSR on bun) and punktfunk-scripting (Effect runner),
  with services.punktfunk.{web,scripting} modules. Both bun node_modules come from
  fixed-output derivations pinned to real deps hashes; patchShebangs the web
  node_modules so orval/paraglide/vite run in the sandbox. Validated on x86_64-linux
  (nix build .#punktfunk-{web,scripting,tray,host} all green).

- punktfunk-scripting now ships for deb/rpm/arch/nix/windows, mirroring the web-console
  mechanics (vendored bun on deb/rpm/arch, pkgs.bun on nix; one self-contained
  `bun build --target=bun` bundle). Opt-in: host Recommends it, but the systemd --user
  unit ships un-started (Windows registers its scheduled task disabled).

- fix(tray): build punktfunk-tray in its OWN cargo invocation on nix/rpm/arch. Cargo
  unifies features across one `cargo build`, so co-building the tray with the host pulls
  the host's ashpd->zbus/tokio onto the tray's shared zbus and it panics at startup
  ("there is no reactor running, must be called from the context of a Tokio 1.x
  runtime"). Isolated, the tray's zbus stays on async-io. The .deb already did this;
  runtime-verified on nix.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-17 21:16:34 +02:00