enricobuehler
4c2c41acba
A stock Moonlight client can now drive the headless Sway desktop: mouse
movement, buttons, scroll, and keyboard all inject through the streamed
session (verified live end-to-end — typing, clicking, window management).
Control stream (gamestream/control.rs):
- Moonlight encrypts the ENet control stream with AES-128-GCM even though we
negotiate no media encryption (it detects our Sunshine `state` and turns it
on). Decrypt per-packet under the /launch `rikey`.
- The exact GCM scheme is auto-detected on the first authenticating packet
(nonce construction × key byte-order × tag position × AAD) since GCM gives no
partial credit. Our client uses the legacy 16-byte nonce (`iv[0]=seq&0xff`)
because we advertise no encryption; the 12-byte SS_ENC_CONTROL_V2 nonce is
also supported. Key/IV/tag layout cross-checked against Sunshine stream.cpp +
crypto.cpp and moonlight-common-c ControlStream.c.
Input decode (gamestream/input.rs):
- Decrypted control messages (`[u16 type][u16 len][NV_INPUT packet]`, type
0x0206) decode into lumen_core::input::InputEvent: relative/abs mouse, buttons,
vert/horiz scroll, keyboard down/up. Struct layout from moonlight Input.h
(size BE, magic LE, body BE; keyCode LE masked to the low-byte VK), dispatch
per Sunshine input.cpp (Gen5+). Unit-tested against real captured bytes.
Injection (inject.rs):
- WlrootsInjector: connects to Sway as a Wayland client and injects via the
wlroots virtual-pointer + virtual-keyboard protocols (uinput is invisible to a
compositor running WLR_LIBINPUT_NO_DEVICES=1). Uploads an evdev/US xkb keymap,
tracks modifier state, and maps Windows VK → Linux evdev (full table).
Deps: aes-gcm, wayland-client, wayland-protocols-{wlr,misc}, xkbcommon (+
libxkbcommon-dev in bootstrap-ubuntu.sh).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
52 lines
2.0 KiB
TOML
52 lines
2.0 KiB
TOML
[package]
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name = "lumen-host"
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description = "lumen Linux streaming host: virtual display, capture, encode, input injection"
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version.workspace = true
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edition.workspace = true
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rust-version.workspace = true
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license.workspace = true
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authors.workspace = true
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repository.workspace = true
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[dependencies]
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lumen-core = { path = "../lumen-core" }
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anyhow = "1"
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tracing = "0.1"
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tracing-subscriber = { version = "0.3", features = ["env-filter"] }
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axum = "0.8"
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mdns-sd = "0.20"
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tokio = { version = "1", features = ["full"] }
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rsa = "0.9"
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sha2 = { version = "0.10", features = ["oid"] }
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aes = "0.8"
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aes-gcm = "0.10"
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rand = "0.8"
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hex = "0.4"
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rcgen = { version = "0.13", default-features = false, features = ["aws_lc_rs", "pem"] }
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x509-parser = "0.16"
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axum-server = { version = "0.7", features = ["tls-rustls"] }
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rustls = "0.23"
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rustls-pemfile = "2"
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rusty_enet = "0.4"
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[target.'cfg(target_os = "linux")'.dependencies]
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# `screencast` gates the ScreenCast portal module; `tokio` is the default runtime.
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# `open_pipe_wire_remote` is unconditional, so ashpd's own `pipewire` feature is not
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# needed — we drive PipeWire with the `pipewire` crate below.
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ashpd = { version = "0.13", features = ["screencast"] }
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ffmpeg-next = "7"
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libc = "0.2"
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# Must match the pipewire crate ashpd 0.13 links (libspa/pipewire-sys `links` key is
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# unique per build), i.e. 0.9 — NOT the 0.10 the setup doc mentions.
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pipewire = "0.9"
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# ashpd 0.13 uses the tokio runtime; a current-thread runtime drives the one-time
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# portal handshake (control plane — never the per-frame path).
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tokio = { version = "1", features = ["rt", "rt-multi-thread", "net", "time"] }
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# Input injection into headless Sway via the wlroots virtual-input Wayland protocols
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# (uinput won't reach a compositor running with WLR_LIBINPUT_NO_DEVICES=1).
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wayland-client = "0.31"
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wayland-protocols-wlr = { version = "0.3", features = ["client"] }
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wayland-protocols-misc = { version = "0.3", features = ["client"] }
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# Builds/validates the xkb keymap uploaded to the virtual keyboard + tracks modifier state.
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xkbcommon = "0.8"
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