Commit Graph
8 Commits
Author SHA1 Message Date
enricobuehler 94b7a834cb fix(installer/windows): GameStream is opt-in, not on by default
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A user found this in their log and had never been offered a choice:

  WARN GameStream/Moonlight compat ENABLED (--gamestream): its pairing runs over
  plain HTTP and its legacy control encryption can reuse GCM nonces
  (security-review #5/#9) — an on-path LAN attacker could MITM pairing or
  recover input. Enable only on a TRUSTED network.

They were right. The `gamestream` task carried no `Flags: unchecked`, so it was
pre-ticked; and since a silent install takes the wizard's own task defaults
(1839d756), a winget install turned it on with no checkbox ever shown. The host
warns that this plane is a security downgrade on every single start, so having
the installer enable it by default cannot be squared with our own advice — least
of all on the path where nobody sees a wizard.

Now unchecked, matching `allowpublicfw`, the other task with a security
consequence. A default install therefore lands `PUNKTFUNK_HOST_CMD=serve`, the
native-only host; Punktfunk's own clients are unaffected, since the native
punktfunk/1 plane is always on. Unattended opt-in is `/MERGETASKS=gamestream`.

Scope, deliberately: this changes FRESH installs only. `GamestreamParam` already
omits the flag entirely unless `FreshHostInstall`, so no existing host has its
choice touched by an upgrade, and anyone relying on Moonlight today keeps it.
`DEFAULT_HOST_CMD` (the service's fallback when host.env carries no
PUNKTFUNK_HOST_CMD line at all) is deliberately NOT flipped here: the installer
always writes the line explicitly, so it does not affect a normal install, and
inverting it would silently disable Moonlight for anyone whose host.env lost that
line — a runtime regression that belongs in its own change, if at all.

Docs corrected everywhere they stated the old default, since three of them now
told users the opposite of what ships: the winget Agreement shown BEFORE install
(it said "enabled by default" and gave the opt-OUT override), the Windows
packaging README, and host.env.example. The `--override` example in the installer
manifest is inverted with it (`/MERGETASKS=gamestream` to add, `!` to remove).

Verified: [Tasks] + [Code] compile with ISCC 6.7.1 on the windows-amd64 runner
(all optional features defined), and the winget catalogue rebuilds and passes
29/29 with the edited manifests.
2026-07-27 12:26:47 +02:00
enricobuehlerandClaude Fable 5 ea8e996989 fix(windows): IDD-push audit highs — keyed-mutex timeout, two per-frame leaks, IDD_PUSH knob, pooled-device threading
Five verified findings from the IDD-push/pf-vdisplay deep audit:

- Keyed-mutex acquire (BOTH endpoints): AcquireSync returns WAIT_TIMEOUT
  (0x102) / WAIT_ABANDONED (0x80) as SUCCESS-severity HRESULTs, which the
  windows-rs Result wrapper erases — a busy slot read as "acquired", so
  driver and host could race the same ring texture (torn frames) and the
  designed busy-skip backpressure was dead code. Both sides now classify
  the raw vtable HRESULT; WAIT_ABANDONED counts as acquired (ownership
  transfers — refusing it would wedge the slot forever).
- Host SDR hot path leaked one ID3D11VideoProcessorInputView per converted
  frame: the D3D11_VIDEO_PROCESSOR_STREAM ManuallyDrop field suppressed the
  release after VideoProcessorBlt. Released by hand now, success or not.
- Driver leaked IddCx's per-acquire surface reference (from_raw_borrowed on
  a TRANSFERRED reference — the MS sample Attach/Reset's it): the swap-chain
  surface set survived swap-chain destruction, the likely true root cause of
  the ~50 MB-per-reconnect VRAM loss that device pooling only mitigated.
  Now adopted via from_raw (publisher or not) and dropped pre-Finished.
- PUNKTFUNK_IDD_PUSH removed: capture is unconditionally IDD-push, but the
  vdisplay manager still gated the lingering-monitor preempt (and render
  pin) on the knob, whose default was OFF — dev/CLI runs reused a lingering
  monitor whose IddCx swap-chain is dead (black reconnect). The preempt and
  the render-GPU pin are now unconditional; host.env comments no longer
  promise the removed DDA/WGC fallback.
- Driver D3D device: dropped D3D11_CREATE_DEVICE_SINGLETHREADED (unsound
  since DEVICE_POOL shares one device across processors) and the pooled
  immediate context is now SetMultithreadProtected — two concurrent
  monitors' workers otherwise race an unlocked context (UB in the UMD).

No wire-contract change (pf-driver-proto untouched); the driver fixes take
effect on the next pf-vdisplay redeploy.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-03 16:27:13 +00:00
enricobuehlerandClaude Fable 5 6de4128298 feat(host/windows,packaging): installer overhaul - branding, VB-CABLE, GameStream choice, driver uninstall
- Modern branded wizard: WizardStyle=modern dynamic windows11 (Inno >= 6.6,
  plain-modern fallback for older compilers; CI provisioning upgrades a
  pre-6.6 Inno). Brand-mark wizard side panels + header tiles (100-200% DPI)
  and a multi-size punktfunk.ico (SetupIconFile + Apps & Features), generated
  AND committed by branding/gen-branding.ps1 from the canonical brand geometry.
  Gotcha encoded in the script: ISCC rejects all-PNG icons, so entries <= 64px
  are classic DIBs (PNG only at 128/256), and the ICO is load-verified.

- VB-CABLE actually ships now: windows-host.yml never set VBCABLE_DIR, so every
  published installer silently omitted the virtual mic (broken mic passthrough
  in the field). CI provisions the pinned, SHA-256-verified official Pack45
  (provision-windows-punktfunk-extras.ps1) and the pack now FAILS on a
  supplied-but-invalid dir instead of shipping mic-less again. Attribution per
  VB-Audio's bundling grant surfaced in the visible wizard task text (vendor,
  vb-cable.com, donationware) on top of the licenses notice.

- GameStream (Moonlight) compat is a wizard task (checked by default) ->
  service install --gamestream=on|off writes PUNKTFUNK_HOST_CMD=
  serve[ --gamestream] into host.env. Only the two canonical values are ever
  rewritten - a hand-customized command line survives upgrades. Silent
  installs: /MERGETASKS="!gamestream".

- Driver uninstall (field report: our virtual-device drivers survived
  uninstall): new `driver uninstall [--gamepad]` removes the pf-vdisplay
  device node(s) + the pf-vdisplay/pf-dualsense/pf-xusb driver-store packages,
  wired into [UninstallRun] after service uninstall. Locale-safe by
  construction: devices matched on unlocalized VALUES (never pnputil's
  localized labels), packages found by INF content scan - validated against a
  German-locale box ("Instanz-ID:" parse; 7/7 punktfunk INFs matched, no
  foreign hits). VB-CABLE is deliberately left installed (shared third-party
  component with its own uninstaller).

Installer compile, cargo check/clippy/fmt, and the ASCII locale gate are green;
the wizard look + uninstall flow still need one on-glass pass on a disposable
box (this box runs the live host).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-02 12:16:19 +02:00
enricobuehlerandClaude Opus 4.8 c2ee47cc3b refactor(windows-host): delete the SudoVDA backend — pf-vdisplay is the sole vdisplay (Goal 2)
Goal 2 ("drop every trace of SudoVDA") is done. The SudoVDA driver is no longer
shipped (only pf-vdisplay; the old vdisplay-driver tree was deleted in 416862a),
and F1 (d5c6b7e/03da47b) already moved the display-utility helpers out of the
backend into neutral modules (win_adapter/win_display), breaking the reach-in.
So the backend is now cleanly removable:

- Deleted crates/punktfunk-host/src/vdisplay/windows/sudovda.rs (350 lines: the
  SudoVdaDisplay VirtualDisplay impl + its VdisplayDriver/probe).
- vdisplay::open()/probe() are now unconditional pf-vdisplay; deleted the
  windows_use_pf_vdisplay() backend selector. open() now ensure!s
  pf_vdisplay::is_available() with a clear "driver not installed" error instead
  of the old silent SudoVDA fallback (no fallback driver exists anymore).
- Scrubbed the dangling references to the deleted symbols (manager/sendinput/dxgi
  comments, the config + host.env PUNKTFUNK_VDISPLAY docs); the var stays as an
  informational forward-seam. Updated the F1 module docs (Goal 2 now done).

All changes are #[cfg(windows)] except the config doc; Linux clippy
-p punktfunk-host -D warnings clean; zero `sudovda::`/`SudoVdaDisplay` code refs
remain (comments only). Windows build is CI-gated.

Scorecard Goal 2 -> DONE; recorded the E1 "do NOT do it" stability decision in
windows-host-rewrite.md §4 (the process-global driver design is sound given
ProcessSharingDisabled; a device-owned variant adds a use-after-free window for
no gain).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-25 22:36:10 +00:00
enricobuehlerandClaude Opus 4.8 02742955b4 feat(windows-host): IDD-push is the default capture path for fresh installs (P1)
Make the validated IDD-push zero-copy path the default for a fresh install,
without penalising dev / non-pf-driver runs:

- The shipped default config now enables it. Both seed sites set
  `PUNKTFUNK_VDISPLAY=pf` + `PUNKTFUNK_IDD_PUSH=1`: the hardcoded default the
  service writes on `service install` (`ensure_default_host_env`) AND the
  `host.env.example` template the installer bundles. A fresh install therefore
  runs the validated path (the installer also bundles the pf-vdisplay driver);
  it falls back to DDA if the driver can't attach.
- `idd_push` is now **value-aware** instead of a bare presence flag, so an
  operator can turn it OFF with `PUNKTFUNK_IDD_PUSH=0` in host.env — a `var_os`
  presence check read `=0` as "on". Unset still ⇒ off (the code default is
  unchanged, so existing host.env files and dev/CI runs are unaffected; only the
  shipped default config opts in).

Also scrubbed the stale "SudoVDA" wording in host.env.example. Linux cargo
clippy -p punktfunk-host -D warnings clean; the service.rs default string is
Windows-only (CI-gated).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-25 22:08:45 +00:00
enricobuehlerandClaude Opus 4.8 5852238665 feat(windows): AMD (AMF) + Intel (QSV) hardware encode on the Windows host
The Windows host was NVIDIA-only (NVENC) with an openh264 software fallback. Add
AMD AMF and Intel QSV via libavcodec — the Windows analogue of the Linux VAAPI
backend — so one installer serves all three GPU vendors.

- encode/ffmpeg_win.rs: new WinVendor{Amf,Qsv} encoder. System-memory NV12/P010
  readback (default, robust) + opt-in zero-copy D3D11 (PUNKTFUNK_ZEROCOPY: shares
  the capturer's ID3D11Device; AMF takes AV_PIX_FMT_D3D11, QSV derives a QSV frames
  ctx and maps) with a system fallback for the format-group mismatch the capturer's
  video-processor fallback can produce. HDR Main10 (P010 + BT.2020/PQ VUI; an
  Rgb10a2->P010 swscale covers the shader fallback).
- encode.rs: Codec::amf_name/qsv_name; open_video + windows_resolved_backend()
  resolve PUNKTFUNK_ENCODER=auto|nvenc|amf|qsv|sw via a DXGI adapter VendorId probe.
- capture/dxgi.rs: gpu_mode mirrors the resolved backend (D3D11 NV12/P010 for AMF/QSV).
- gamestream/serverinfo.rs: GPU-aware codec advertisement (windows_codec_support;
  AV1 gated to RDNA3+/Arc, like the VAAPI path).
- Cargo.toml: amf-qsv feature (optional ffmpeg-next in the windows target block).
- CI/installer: windows-host.yml sets FFMPEG_DIR + builds --features nvenc,amf-qsv;
  the Inno installer bundles the FFmpeg DLLs; host.env default nvenc -> auto.

CI-green target; AMF/QSV not yet on-glass validated (no AMD/Intel Windows box in the
lab) — NVENC stays live-validated. An adversarial-review pass caught + fixed real
FFI bugs (AV_PIX_FMT_P010 is a macro -> P010LE; windows-rs 0.62 GetImmediateContext/
GetDesc1 return Result; AV_HWFRAME_MAP_* is a bindgen enum with no BitOr).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-22 10:31:54 +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 b11a8351a3 refactor(host/windows): clean up DDA path + add a proper Windows service
Final cleanup after the DDA-parity work, plus an end-user service to replace the
PsExec/VBS/scheduled-task launch chain.

Cleanup (behavior-preserving):
- sudovda.rs: drop the dead legacy GDI isolate_displays/restore_displays (CCD is
  the sole isolation path), the always-empty Monitor.isolated field, and the
  vestigial reassert_isolation + PUNKTFUNK_ISOLATE_DISPLAYS knob; fix stale comments.
- dxgi.rs: downgrade leftover debug warns/infos (DuplicateOutput1 retry, FALLBACKS,
  hook-hits, AcquireNextFrame idle timeout) to debug!; remove the PUNKTFUNK_NO_CURSOR
  per-frame test knob.

Windows service (src/service.rs, `punktfunk-host service`):
- SCM supervisor (windows-service crate) that duplicates its LocalSystem token,
  retargets it to the active console session, and CreateProcessAsUserW's the host
  there (Sunshine/Apollo model) — relaunching on exit and console session switch,
  inside a kill-on-close job object so a service crash never orphans the host.
- install/uninstall/start/stop/status subcommands: one elevated `service install`
  registers an auto-start LocalSystem service + firewall rules + a default host.env.
- Config moves to %ProgramData%\punktfunk\host.env; config_dir() now resolves to
  %ProgramData%\punktfunk on Windows (replacing the APPDATA=C:\Users\Public hack),
  with a PUNKTFUNK_CONFIG_DIR override. Logs land in %ProgramData%\punktfunk\logs\.
- merged_env_block (shared with the WGC helper) now also carries RUST_LOG.
- docs/windows-service.md + scripts/windows/host.env.example; windows-host.md updated.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-16 18:44:15 +00:00