Commit Graph
19 Commits
Author SHA1 Message Date
enricobuehler 8103958169 fix(security): the plugin lane stops being a way in
Acts on the 2026-08-05 host security review. 36 of its 38 findings; the two
exceptions are recorded below and in the review doc.

The review's headline is that `plugin_may_access` was the one authorization
gate in the system that was allow-by-default — a hand-maintained denylist of
route prefixes, where every sibling gate is deny-by-default. Its own doc
comment names the two capabilities it exists to withhold, and both were
reachable one route over, because ~1450 commits of new routes were added and
the list was never one of the things anyone remembered to update.

So the gate is now an allowlist, and a test walks the live route table and
fails the build for any route that has not been deliberately classified for
both non-admin lanes. That test is the actual fix: it is what stops the next
route from arriving pre-authorized.

Route reachability and field authority turned out to be different questions.
A provider plugin has to be able to reconcile its own library entries — that
is what a scanner plugin IS — but `prep` and a `command` launch inside that
payload are handed to `/bin/sh -c` as the host user, and every execution site
documents them as operator-typed. Requests now carry the lane that authorized
them, and those two fields are refused to everyone but the operator's own
token.

The art proxy read any absolute path off disk in the host process, which on
Windows is LocalSystem, from a path the plugin lane could write and then read
back — so it yielded `mgmt-token`, which is full admin. It now serves only
real images (extension AND magic bytes, so a renamed secret fails), only from
inside an allowed root, only after canonicalization, and never over UNC; and
a path it would refuse to serve can no longer be persisted in the first place.

On Windows, the config-dir hardening was skipped exactly when it was needed —
it ran only in the branch that CREATES host.env, so the case it was written
for (a local user pre-created the directory and planted one) was the one case
it never ran in. It is now unconditional and first, an existing host.env is
re-owned, and the inheritable OWNER RIGHTS ACE that kept an attacker's files
theirs after the directory was re-owned is gone. The identity and token
readers were hardening the directory only on the path that GENERATED a new
secret, so a planted cert/key or token was adopted verbatim and permanently;
they harden before the first read now.

`ensure_admin_only_source` is implemented. The 2026-07-05 audit recorded it as
FIXED and it was in no commit in this repository's history — the local EoP it
described was live, and it is the payload half of the config-dir chain above.

Also: the three input planes are bounded and lossy like the mic plane on the
same loop already was; Android's library client no longer accepts any
publicly-trusted certificate for the pinned host; the usbip vhci nodes get
their own group instead of riding on `input`, which every packaging scriptlet
tells users to join; a registry URL can no longer inject a TOML table into
bunfig.toml; the pairing cooldown is charged before the arming state is read,
so armed/disarmed is no longer a free oracle; and the whole Low tier, of which
the two worth naming are a clipboard MIME NUL that panicked the host on one
control message, and an unauthenticated global logout that let any LAN peer
sign the operator out on a loop.

NOT fixed, deliberately:

  H-3 (plugin UIs framed allow-same-origin). Dropping allow-same-origin does
  not work: the document's origin goes opaque, its subresource requests are
  then cross-site, the SameSite=Lax session cookie is not sent, and every
  plugin asset 302s to /login. The "open in new tab" link is the same
  escalation with no iframe at all, so the sandbox attribute is not where this
  gets fixed either. It needs a second listener — a distinct origin that is
  still the same site — which changes the console's deploy model and wants
  on-glass validation. The mechanism and the dead end are written down at the
  iframe.

  H-6 registry authentication, whose other half lives in unom/infra. The
  in-repo halves are done: workflow_dispatch inputs no longer interpolate into
  run: blocks (one of them in the step holding UPDATE_MANIFEST_KEY), and the
  syft installer is pinned to its tag instead of main. Digest pinning is left
  until the registry is authenticated, because a tag — content-keyed or not —
  can simply be overwritten while anonymous pushes are accepted.

M-5 is half done: the oracle is closed, but binding the arming window needs
the console to learn the fingerprint first, which is a knock-then-bind flow
rather than an edit.

Verified: cargo fmt --all --check clean; cargo check --all-targets green on
Linux and on Windows (confirmed non-vacuous — a planted type error in
windows/install.rs fails the build); scripts/xcheck.sh windows check green;
cargo test -p punktfunk-host --bins 416 passed, the single failure being
gamestream::stream::tests::sender_delivers_batches, the known qemu-environmental
UDP-loopback flake that fails identically on clean main in the same container;
cargo test -p pf-clipboard 13 passed; web console typechecks.
2026-08-05 17:12:12 +02:00
enricobuehlerandClaude Opus 5 020306b5ac fix(packaging,host): a fresh Linux install can start, and the comments stop lying
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Fallout from the documentation sweep: verifying doc claims against the code
turned up defects in the code and the shipped templates. Mostly comments that
describe behaviour we no longer have — which is how the docs went wrong in the
first place, since someone reads the comment and writes the page.

The one that mattered: a fresh deb/RPM/Arch install could not start the host at
all. The unit's `EnvironmentFile=` had no `-`, making host.env mandatory, and no
package creates it — all three ship only the templates under /usr/share and the
postinst merely prints the copy command. So `systemctl --user enable --now
punktfunk-host` died on "Failed to load environment files". Every field in
HostConfig::from_env resolves through unwrap_or/filter/None, so absent means all
defaults, exactly like a hand-run `serve`; the Nix module already wrote it as
`-${environmentFile}`. The Deck installer's own generated unit gets the same
prefix for the case where an operator later removes the file.

Shipped templates: PUNKTFUNK_SECURE_DDA is read by nothing (DDA/WGC are gone;
IDD-push is the sole Windows capture path and the secure desktop is
unconditional), so it stops being written into a fresh host.env;
PUNKTFUNK_INPUT_BACKEND offered a `uinput` value that does not exist and omitted
`kwin`, which is what a KDE session actually resolves to; PUNKTFUNK_RENDER_ADAPTER
no longer claims to pick a "Desktop-Duplication" GPU.

Comments corrected rather than deleted, since each explains a real why:
PUNKTFUNK_10BIT is default-on with explicit-off grammar, not an operator opt-in;
GNOME reaches EIS through Mutter's direct RemoteDesktop API, so it needs no portal
approval and is headless-capable; and the host does not run in session 0 — the
service is the session-0 supervisor and the host runs as SYSTEM in the interactive
console session, which is why game_term has to bind the input desktop at all.

packaging/bazzite/update-punktfunk.sh is now installed to /usr/share/punktfunk/,
so the command the docs promised exists.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-31 18:46:38 +02:00
enricobuehlerandClaude Fable 5 19392918ff feat(gamescope/hdr): HDR is attempted by default and every install path ships the patched gamescope
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Field report (RX 5700 / SteamOS): 10-bit HEVC "unsupported" — but the GPU was
never the blocker (RADV probed Main10 fine on that box). The session stayed SDR
because stock gamescope offers no 10-bit PQ capture formats and nothing shipped
our pipewire-hdr build outside the Bazzite sysext, while PUNKTFUNK_GAMESCOPE_HDR
additionally defaulted off everywhere. Close all three gaps:

- PUNKTFUNK_GAMESCOPE_HDR now defaults ON (explicit-off grammar, the flip the
  config comment planned post-canary). Safe by construction: the +pfhdr banner
  probe, managed-spawn term, and client 10-bit cap keep stock-gamescope boxes on
  the exact 8-bit path. The nix module's gamescopeHdr (default true now) only
  controls whether the patched binary is on PATH; it no longer sets the env.
- SteamOS: new scripts/steamdeck/build-gamescope.sh builds the HDR gamescope in
  the same pf2 trixie distrobox (apt dep list validated by a full build in a
  debian:trixie container), installs ~/.local/bin/punktfunk-gamescope, and
  maintains PUNKTFUNK_GAMESCOPE_BIN in host.env ONLY while the binary passes its
  on-glass --version/+pfhdr check — a stale absolute override would break
  session spawning, not just HDR. Wired into install.sh (§3b), update.sh
  (retrofit), and rebuild-check.sh (ldd-probes it like the host binary).
- Arch: build-sysext.sh gains a --gamescope fold-in (banner-verified by
  execution, host-image-only), and punktfunk-host optdepends the companion.
  Deliberately NO CI-published host sysext: per the 2026-07-22 packaging
  verdict a prebuilt SteamOS host breaks on A/B soname bumps (and /var is
  per-partition-set), so arch.yml records that instead — SteamOS hosts use the
  distrobox flow above.

Also fixes a latent bug that made build-sysext.sh fail every invocation as
documented: a literal `}` inside `${1:?usage …{host,client}…}` terminates the
expansion early and corrupts $PKG (caught by the new synthetic-package test,
which also covers the fold-in, the unmarked-gamescope refusal, and the
client-image guard).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 13:50:31 +02:00
enricobuehlerandClaude Fable 5 acce43ebbf feat(steamdeck): self-healing reliability — post-OS-update rebuild check + script/docs polish
- rebuild-check.sh + punktfunk-rebuild-check.service (enabled, ordered
  Before=punktfunk-host): ldd-probes the host binary at session start —
  milliseconds when healthy, a full update.sh rebuild only when a
  SteamOS update actually broke its library links. update.sh restarts
  go --no-block so the check → update.sh → restart chain can't deadlock
  against the unit ordering. update.sh retrofits the unit.
- installer summary: web console is https (the unit serves TLS).
- docs: steamos-host.md (runner in the build step, keep-list + auto
  rebuild = updates survive hands-free), gamescope.md (Gaming Mode
  touch = single-finger pointer, exact taps, no multi-touch),
  plugins.mdx (SteamOS runner note), scripts/steamdeck/README.md
  (rebuild-check, runner payload, keep list, honest packaging
  trade-off + the CI-prebuilt future direction).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-22 11:56:09 +02:00
enricobuehlerandClaude Fable 5 068da456f5 fix(steamdeck): survive SteamOS A/B updates — register system tuning on the atomic-update keep list
Verified live on a SteamOS 3.8.14→3.8.16 update: the A/B partset switch
rebuilds /etc and drops everything not on Valve's keep list — the udev
rule (uhid access: virtual pads silently degrade to Xbox 360), the
vhci-hcd autoload (native Deck pad transport), and the UDP buffer sysctl
(back to 208 KB → stutter). Valve's sanctioned extension point is a
drop-in under /etc/atomic-update.conf.d/ — itself on the stock keep
list, so it self-preserves. install.sh §4 and update.sh now register
scripts/punktfunk-atomic-keep.conf there.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-22 10:07:19 +02:00
enricobuehlerandClaude Fable 5 256aa5f7f2 fix(steamdeck): install the plugin runner + harden Deck pad typing + repair update.sh
- scripts/steamdeck/install.sh (§2b) + update.sh: build and install the
  scripting runner user-scoped (~/.local wrapper + pinned bun + bundle) —
  SteamOS's read-only /usr can't take the .deb layout, so the console's
  plugin store reported "the plugin runner isn't installed" on every
  SteamOS host. update.sh retrofits it onto existing installs.
- plugins.rs runner discovery: check the ~/.local layout after the /usr
  ones; mention the SteamOS path in the not-installed error.
- update.sh: define warn() — it was used but never defined, so under
  `set -e` the first warn aborted the update before services restarted.
- pf-client-core gamepad: a Steam Input virtual pad forwarded on a real
  Deck (the only-pad case) now declares the DECK kind in its per-pad
  arrival instead of the wrapper's Xbox 360 identity — the session-level
  auto_pref already resolved SteamDeck, but the arrival overrides it on
  current hosts.
- reject tests: cover SetupFailed; move the foreign-code probe off 0x68.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-22 10:01:54 +02:00
enricobuehlerandClaude Opus 4.8 b2e3d1b540 fix(steamdeck/install): add cmake dep + acquire sudo in preflight
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pyrowave-sys's build.rs runs cmake to build the vendored PyroWave C library,
but cmake wasn't in the distrobox apt list — so `cargo build -p punktfunk-host`
dies on every SteamOS host with "is cmake not installed?". Add it.

Also move sudo acquisition from step 4 (after the ~15-min build) into preflight
and keep the timestamp warm across the build. Before, a non-interactive run
(`ssh host 'bash install.sh'`) silently skipped the UDP-buffer/udev/vhci-hcd/
input-group tuning AND enable-linger — a "successful" host with no gamepad
passthrough, lossy streaming, and no headless persistence (dies on logout).
Now sudo is prompted once up front (authorize and walk away), and a no-TTY /
no-password run fails loudly before the build instead of silently at the end.

Validated end-to-end on SteamOS 3.8 in a VM with Radeon 780M passthrough:
full host + web build, all planes listening, VAAPI render node, headless
auto-start via linger.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-21 22:50:00 +02:00
enricobuehlerandClaude Opus 4.8 f36d13e371 fix(steamdeck/install): prompt for sudo instead of requiring passwordless
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The system-tuning block (UDP buffers, gamepad udev rule, vhci-hcd autoload,
input group) was gated on `sudo -n true` — passwordless sudo — so on a stock
SteamOS box (the deck account needs a password) the whole block was silently
skipped: /dev/uhid stayed root-only so the gamepad degraded to an Xbox 360 pad,
and the UDP buffers stayed at the 416 KB default. Video was unaffected because
Game Mode/gamescope needs none of it, which masked the skip on-glass.

- install.sh + update.sh: acquire sudo interactively (`sudo -v` prompt on a TTY)
  instead of requiring passwordless; skip only when there's no TTY or auth fails,
  and then print the exact manual block plus a `passwd` hint — a stock SteamOS
  'deck' account has no password, so sudo can't work until one is set.
- update.sh: also retrofit the UDP-buffer sysctl for older/skipped installs, and
  loudly nag to reboot when the input group was just added (a --user restart does
  not pick up the new group; only a fresh login does).
- steamos-host.md: note this step prompts for the sudo password.

Root is unavoidable: the udev rule, input group, and vhci-hcd module are all
kernel operations with no user-space alternative.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-21 21:56:20 +02:00
enricobuehlerandClaude Opus 4.8 aacd610b68 fix(steamdeck/install): set up controller passthrough + surface the required reboot
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A fresh SteamOS host install failed on-glass two ways: KWin denied Desktop-mode
capture (zkde_screencast_unstable_v1) so every session died in the pipeline build,
and the native Steam Deck pad degraded to an Xbox 360 controller. Both stem from
setup that only a fresh login applies — the host user-service keeps the
pre-install group set and KWin reads its .desktop grant at session start — plus a
missing vhci-hcd autoload the pad's USB/IP transport needs (the deb/rpm/arch
packages ship it; the Deck installer did not).

- install.sh: install punktfunk-modules.conf (+ modprobe vhci-hcd now) for the
  native Deck controller transport, seed the KDE RemoteDesktop grant
  (kde-authorized) for Desktop-mode input, and print a loud "reboot before
  streaming" notice when a relogin is actually required (input group added or the
  .desktop grant first installed).
- update.sh: retrofit the udev rule, vhci-hcd autoload, input group, and grant so
  existing installs pick them up on the next update without a reinstall.
- steamos-host.md: document the first-install reboot and the native controller
  passthrough requirements (input group + vhci-hcd + client-side Steam Input Off).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-21 19:22:08 +02:00
enricobuehlerandClaude Opus 4.8 946f1b3d69 fix(steamdeck): build the host with vulkan-encode, and wire up what it needs to actually engage
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rpm / build-publish (44, fedora-44, punktfunk-fedora44-rpm) (push) Successful in 18m59s
ci / rust (push) Successful in 26m41s
The SteamOS scripts built the host featureless, so PlatformAuto could never
pick the Vulkan Video backend (default-on since 84329205) and every session
silently ran libav VAAPI — unlike the deb/arch/rpm/sysext builds, which all
pass the feature. Three gaps, found live on a Deck host:

- install.sh/update.sh: cargo build with --features punktfunk-host/vulkan-encode
  (matches the packaged builds; pure-Rust ash, no new system dep).
- host.env: RADV_PERFTEST=video_encode — Van Gogh RADV still gates
  VK_KHR_video_encode_* behind it, so without it the backend can't open and
  falls back to VAAPI. Harmless where encode is exposed by default.
- io.unom.Punktfunk.Host.desktop (Exec rewritten to this install's binary):
  KWin only grants zkde_screencast_unstable_v1/org_kde_kwin_fake_input to an
  exe a .desktop authorizes — without it Desktop-Mode capture fails outright
  and a mid-stream Game↔Desktop switch strands the stream on the old backend.

update.sh retrofits the last two idempotently so existing installs get them
without a reinstall.

Validated on a SteamOS 3.8.14 Deck (Van Gogh): Vulkan HEVC opened on both the
KWin and gamescope paths at 5120x1440 — in-place ABR reconfigure (no IDR, no
encoder rebuild) vs the VAAPI path's full teardown per ABR step, and Desktop
capture came up without a re-login.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-21 10:14:31 +02:00
enricobuehlerandClaude Fable 5 ef39050dbc docs: repo-wide housekeeping — sync README & docs with the code as shipped
windows-drivers / probe-and-proto (push) Successful in 47s
ci / web (push) Successful in 58s
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docker / build-push (--build-arg FEDORA_VERSION=44, ci, ci/fedora-rpm.Dockerfile, punktfunk-fedora44-rpm) (push) Successful in 12s
docker / build-push (ci, ci/fedora-rpm.Dockerfile, punktfunk-fedora-rpm) (push) Successful in 9s
docker / build-push (ci, ci/rust-ci.Dockerfile, punktfunk-rust-ci) (push) Successful in 8s
docker / build-push (., web/Dockerfile, punktfunk-web) (push) Successful in 43s
windows-drivers / driver-build (push) Successful in 1m45s
docker / build-push (docs-site, docs-site/Dockerfile, punktfunk-docs) (push) Successful in 55s
ci / bench (push) Successful in 7m18s
flatpak / build-publish (push) Successful in 6m18s
docker / deploy-docs (push) Successful in 25s
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windows-msix / package (x64, C:\Users\Public\ffmpeg, , x86_64-pc-windows-msvc, C:\t) (push) Successful in 2m16s
arch / build-publish (push) Successful in 16m24s
windows / build (aarch64-pc-windows-msvc) (push) Successful in 1m6s
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apple / screenshots (push) Successful in 5m58s
rpm / build-publish (43, bazzite, punktfunk-fedora-rpm) (push) Successful in 20m24s
rpm / build-publish (44, fedora-44, punktfunk-fedora44-rpm) (push) Successful in 18m43s
Six parallel audits swept the root docs, docs-site, every per-directory
README, and the packaging docs; every claim below was verified against
the source before editing.

- README: Layout gains the six missing crates (pf-client-core,
  pf-presenter, pf-console-ui, pf-ffvk, pf-driver-proto, punktfunk-tray),
  clients/session, api/ and ci/; Linux/Windows client rows reflect the
  shell + Vulkan-session split and the Vulkan Video -> VAAPI/D3D11VA ->
  software decode chains; the "every client over a C ABI" claim is
  corrected (Rust clients link the core directly); tiered stats overlay
  + console shell noted; Apple row mentions AV1.
- CONTRIBUTING: drop the dead CLAUDE.md link (deliberately untracked);
  point at the README's build/invariants sections. SECURITY: 0.9.0.
- host-cli/pairing: --allow-pairing/--require-pairing are no-op legacy
  names — pairing is required by default, --allow-tofu is the real flag;
  document --data-port and --idle-timeout-ms.
- configuration: document PUNKTFUNK_RECOVER_SESSION_CMD (session-crash
  recovery hook), PUNKTFUNK_MDNS, PUNKTFUNK_DATA_PORT.
- virtual-displays/gnome: GNOME per-client scaling shipped (host-
  persisted) — flip the  to  and describe how it works.
- stats: new "Detail levels" section (Off/Compact/Normal/Detailed +
  per-platform cycle gestures); retire the GTK hand-off note.
- clients/install-client/status/roadmap: decode chains, Windows client
  validation narrowed to HDR-only pending, adaptive bitrate, console
  shell, Apple AV1, Windows host vendor list.
- Sub-READMEs: clients/linux rewritten for the re-architecture; session
  Windows decode rung + d3d11va knob; Windows tiered overlay; Android
  minSdk 28; decky file table; host zerocopy/ path; scripts port
  47992 and steamos-host.md; pf-dualsense source path.
- packaging: canary version bases are tag-derived (<next-minor> via
  pf-version.sh/.ps1), codecs-extra not ffmpeg-full, document the
  pinned offline-Skia tarball + SKIA_BINARIES_URL and vulkan-headers.
- Convert 15 dangling design/*.md links to the punktfunk-planning
  prose convention (those docs live in the private planning repo).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-10 09:13:42 +02:00
enricobuehlerandClaude Opus 4.8 f87a43f42d feat(web): harden login gate — throttle, scoped TLS, token-derived seal key
Remediates the two web-console residuals from the 2026-07-05 posture audit:

- Brute-force throttle (loginThrottle.ts): per-IP exponential backoff
  after 5 free attempts, plus a global floor for spread-out floods, keyed
  on the socket peer IP (not spoofable X-Forwarded-For) with a size-capped
  map. The constant-time compare already stopped the timing leak; this
  bounds guess *volume* against a by-design LAN-exposed console.
- Session seal key now derives from the high-entropy mgmt token instead of
  the low-entropy login password, so a captured cookie is no longer an
  offline password oracle. Falls back to the password only when no token
  is configured (dev/local). Rotating the token now invalidates sessions.
- Replace the process-wide NODE_TLS_REJECT_UNAUTHORIZED=0 with per-request
  Bun TLS scoped to the loopback proxy hop; a non-loopback mgmt URL now
  verifies normally. Dropped the env var from the systemd unit, Steam Deck
  installer, Windows run scripts, env examples, and web README.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-06 07:28:39 +02:00
enricobuehlerandClaude Fable 5 af74c9ca67 feat(web,host/windows): move the web console off :3000 to :47992
windows-host / package (push) Has been cancelled
flatpak / build-publish (push) Has been cancelled
docker / build-push (--build-arg FEDORA_VERSION=44, ci, ci/fedora-rpm.Dockerfile, punktfunk-fedora44-rpm) (push) Has been cancelled
web-screenshots / screenshots (push) Has been cancelled
rpm / build-publish (bazzite, punktfunk-fedora-rpm) (push) Has been cancelled
rpm / build-publish (fedora-44, punktfunk-fedora44-rpm) (push) Has been cancelled
release / apple (push) Has been cancelled
linux-client-screenshots / screenshots (push) Has been cancelled
windows-msix / package (arm64, C:\Users\Public\ffmpeg-arm64, aarch64-pc-windows-msvc, C:\t-a64) (push) Has been cancelled
windows-msix / package (x64, C:\Users\Public\ffmpeg, x86_64-pc-windows-msvc, C:\t) (push) Has been cancelled
decky / build-publish (push) Has been cancelled
deb / build-publish (push) Has been cancelled
android / android (push) Has been cancelled
docker / build-push (., web/Dockerfile, punktfunk-web) (push) Has been cancelled
docker / build-push (ci, ci/fedora-rpm.Dockerfile, punktfunk-fedora-rpm) (push) Has been cancelled
docker / build-push (ci, ci/rust-ci.Dockerfile, punktfunk-rust-ci) (push) Has been cancelled
docker / build-push (docs-site, docs-site/Dockerfile, punktfunk-docs) (push) Has been cancelled
docker / deploy-docs (push) Has been cancelled
android-screenshots / screenshots (push) Has been cancelled
Port 3000 collides with half the dev-server ecosystem; 47992 sits next
to the mgmt API (47990) in the punktfunk port family. Updates the run
scripts, systemd/scheduled-task units, Dockerfile, Windows firewall
rule + installer, packaging, and every doc that referenced :3000.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-02 18:17:42 +00:00
enricobuehlerandClaude Opus 4.8 6e41356919 feat(protocol,clients): codec preference negotiation + Linux client decodes per Welcome (Phase 2a)
Adds a client-selectable **preferred codec** and wires the core + ABI + probe + Linux client to
negotiate and decode it. (Windows/Apple/Android follow in 2b.)

**Core:**
- `Hello.preferred_codec` (a single CODEC_* bit, 0 = auto) — a soft hint appended after
  `video_codecs`. `resolve_codec(client, host, preferred)` now honors the preference when the host
  can also emit it, else falls back to precedence (HEVC > AV1 > H.264). Roundtrip + preference tests.
- `NativeClient::connect` takes `video_codecs` + `preferred_codec`; `NativeClient.codec` exposes the
  resolved `Welcome.codec`.
- ABI: `punktfunk_connect_ex7` (adds the two codec params; `ex6` delegates to it advertising
  HEVC-only) + `punktfunk_connection_codec` getter + `PUNKTFUNK_CODEC_{H264,HEVC,AV1}` constants
  (drift-guarded against the wire values). Header regenerated.

**Host:** passes `hello.preferred_codec` into `resolve_codec`.

**probe:** `--codec h264|hevc|av1|auto` sets the preference (still advertises it can decode all
three); the dump extension already follows the resolved codec.

**Linux client:** advertises the codecs FFmpeg can actually decode (`decodable_codecs()`), threads
the user's `codec` setting as the preference, and builds the decoder — both the software and VAAPI
paths, plus the mid-session VAAPI→software demotion — from the negotiated `Welcome.codec` instead of
hardcoding HEVC. New "Video codec" dropdown in Preferences (Automatic/HEVC/H.264/AV1).

Live-validated on the dev box: probe `--codec hevc` against a software (H.264-only) host resolves to
H.264 (graceful soft-preference fallback), no failure. clippy + core (57) + host (133) tests green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-02 00:13:26 +00:00
enricobuehlerandClaude Opus 4.8 ae51276a03 feat(web): consolidate paired devices, self-contained sections, docs + lint
Web console
- Pairing/Library/Stats refactored into self-contained subsections that each own
  their own queries + mutations; a shared slot-based layout (view.tsx) is filled by
  the live page (containers) and Storybook (pure cards + fixtures) so the layout can't
  drift.
- All paired devices in one list on Pairing with a protocol column (punktfunk/1 +
  Moonlight), routing each unpair to the right endpoint; the redundant Clients page is
  removed.
- Library: overview grid split from the add/edit form into separate files.
- Login screen links out to the docs.

Docs
- "Console login password" section on every host page (apt/RPM/Bazzite/SteamOS/Windows)
  plus a new "Forgot your Password?" troubleshooting page, linked from the login screen.
- Console served as HTTP/1.1 over TLS (drop the unusable HTTP/3 advertising) across the
  Bun entry, launchers, systemd units, and packaging.

Tooling
- Biome now respects .gitignore (stops linting generated code), config migrated to
  2.5.1; all lint issues fixed cleanly.

Also includes this branch's in-progress host, Apple client, packaging, and CI changes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-30 19:05:22 +02:00
enricobuehlerandClaude Opus 4.8 5dbe3b00cc feat(steamdeck): --no-gamestream installer flag for a secure native-only SteamOS host
Completes the GameStream-opt-in posture (0de648f) on the SteamOS path: the installer keeps
Moonlight compat on by default (`serve --gamestream`, the Deck commonly streams to Moonlight),
but `--no-gamestream` now installs a secure native-only host with no GameStream on-path surface
(plain-HTTP pairing / legacy GCM nonce reuse — security-review #5/#9; native clients only).
Documented in the installer --help; the SteamOS host doc references it.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-21 10:29:40 +00:00
enricobuehlerandClaude Opus 4.8 0de648f106 feat(host): GameStream/Moonlight compat is now opt-in (--gamestream) — secure native-only by default
Follows the security audit (#5/#9): the GameStream-compat plane carries inherent on-path weaknesses
that can't be fixed on the wire without breaking stock Moonlight — its pairing runs over plain HTTP
(#9, MITM-able during the pairing window) and its legacy control encryption can reuse GCM nonces (#5,
a passive eavesdropper can recover/forge input). The native punktfunk/1 plane (SPAKE2 PIN pairing +
per-direction AEAD nonces) has neither. So flip the default to secure-by-default:

- `serve`              → native punktfunk/1 plane + management API ONLY (no GameStream surface).
- `serve --gamestream` → ALSO the GameStream/Moonlight-compat planes (nvhttp pairing, RTSP, ENet
  control, _nvstream mDNS). Opt-in, logged with a trusted-LAN caveat. `--moonlight` is an alias.
- The native plane is now ALWAYS on in `serve` (`--native` is a kept-for-compat no-op); the unified
  GameStream+native host is `serve --gamestream`.

`gamestream::serve` gates the GameStream spawns (nvhttp/rtsp/control/mdns) on the flag; the native
plane + mgmt + native-pairing handle always run.

To avoid silently regressing validated Moonlight deployments, the explicit deployment configs PRESERVE
Moonlight via `--gamestream` (each documents dropping it for a secure native-only host): the Linux
systemd unit, the Steam Deck installer, and the Windows service default (DEFAULT_HOST_CMD). The bare
`serve` default (new/manual use) is secure.

Docs swept to match (host-cli, moonlight, quickstart, install, packaging READMEs, CLAUDE.md, README,
…): Moonlight setup now instructs `--gamestream`; native/console refs use bare `serve`. OpenAPI
regenerated (a stale "run `serve --native`" string). fmt + clippy clean; 94 host tests green.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-21 10:19:40 +00:00
enricobuehlerandClaude Opus 4.8 9675022618 fix(steamdeck): run the web console with node, not bun (Nitro node-server preset)
The management console is a Nitro `node-server` build (per web/vite.config.ts) — it must be
run with `node`, not `bun`. Run under bun it 500s on every page render with
"Cannot find package 'srvx'": bun mis-resolves Nitro's externalized server deps from the
nested SSR chunk at request time. (This was pre-existing — the old manual pfweb.sh ran it
with bun too.)

- Provision `nodejs` in the pf2 distrobox; run the web service with `node .output/server/index.mjs`.
- Use `enable` + `restart` (not `enable --now`) so re-running the installer actually applies
  unit-file changes instead of no-opping against the running service.

Verified on the Deck: web `/login` now returns 200 (was 500), "Listening on http://0.0.0.0:3000",
no srvx error.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-20 23:32:23 +00:00
enricobuehlerandClaude Opus 4.8 e235177bf8 feat(steamdeck): one-command host install + docs (build-on-device)
SteamOS is immutable read-only Arch, and the Deck is AMD (VAAPI) — so none of the
checked-in packaging (arch/sysext is NVENC-first + client-oriented, deb/rpm are
soname-mismatched) actually installs a working host on a Steam Deck. The proven path
(distrobox-built native binary + systemd-run units) was 100% manual. Make it one command.

- scripts/steamdeck/install.sh — idempotent installer: ensure the pf2 Debian-trixie
  distrobox + toolchain → build host (+web console) → write config (generated web login
  password) → raise UDP buffers to 32 MB + udev + input group (sudo, skipped gracefully
  if unavailable) → install + start punktfunk-host / punktfunk-web systemd USER services
  with linger. Flags: --open (accept unpaired clients), --no-web, --src=DIR. Builds
  on-device so a rebuild always matches the running SteamOS (no prebuilt-binary fragility
  across OS updates); VAAPI on the Deck's AMD GPU.
- scripts/steamdeck/update.sh — rebuild from current source + restart (config/pairings persist).
- scripts/steamdeck/README.md — deep reference (why on-device, what's installed, gotchas).
- docs-site: new "Steam Deck (Host)" guide + sidebar entry; install.md splits Arch from the
  Steam Deck host path; packaging/arch/README points Deck-host users here and corrects the
  stale "NVENC-only" note (VAAPI host encode landed).

Live-validated on the Deck: installer runs clean, both services come up, host listens
(QUIC :9777 + mgmt :47990), web serves (302→login); on a client connect it takes over the
Game-Mode gamescope session at the client's mode, captures via PipeWire, and VAAPI-encodes
(hevc_vaapi) — full pipeline confirmed in the host journal.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-20 22:20:00 +00:00