mike
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build-windows / build-hello-agent-x64 (push) Successful in 5m41s
A single-binary, Flutter-free remote-support agent that speaks the stock
RustDesk wire protocol. Designed for one-line MDM deployment against a
self-hosted rustdesk-server: a supporter using the unmodified rustdesk.exe
client connects, the controlled-side user gets a native Win32 approval
prompt, click Yes / No.
CLI surface
hello-agent.exe --install # register + start service
hello-agent.exe --uninstall # stop, delete, clean up
hello-agent.exe --config <BLOB> # admin-UI deploy string
hello-agent.exe --install --config <BLOB> # MDM one-liner
--config accepts both forms emitted by the rustdesk-server admin UI: the
reversed-base64 deploy string and the host=,key=,api=,relay= filename
form. Decoded via the upstream custom_server module, persisted via
hbb_common::config::Config::set_option.
Architecture
--service runs as a Session 0 LocalSystem service. It polls
WTSGetActiveConsoleSessionId and (re)spawns hello-agent.exe --server
into the active console session via librustdesk::platform::run_as_user,
handling the Session 0 → user-session token impersonation.
--server is the worker. It boots three concurrent components:
1. cm_popup: an IPC listener on the rustdesk `_cm` named pipe
2. librustdesk::start_server(true, false): the upstream protocol
stack — rendezvous mediator, NAT punch, IPC server, screen
capture, login validation, hbbs_http heartbeat / sysinfo sync
3. (implicit) ApproveMode::Click is pinned in config, so every
incoming connection routes through cm_popup
The popup mechanism reuses an existing upstream contract without any
patches to the protocol code: when a peer connects with no password,
Connection::start in the upstream code calls try_start_cm_ipc, which
ipc::connect-s the `_cm` pipe before falling back to spawning a Flutter
CM child. Since cm_popup is up first, step 1 succeeds; we read the
Data::Login{authorized:false} frame, show MessageBoxTimeoutW (Yes/No,
60s, top-most, system-modal), and reply Data::Authorize or Data::Close.
Source tree
src/main.rs CLI dispatcher + run_server() composition
src/cli.rs hand-rolled argv parser + unit tests
src/service.rs windows-service install/uninstall/dispatcher
src/config_import.rs --config blob decoding + persistence
src/cm_popup.rs _cm IPC listener + Win32 approval dialog
Vendoring
The upstream RustDesk crate is vendored under vendor/rustdesk/ — full
workspace including libs/{hbb_common, scrap, enigo, clipboard,
virtual_display, remote_printer}. This makes the build self-contained
(no submodules, no sibling-repo checkout in CI) and gives us freedom to
fork in a different direction later. Excluded from the vendor: .git,
target/, flutter/, appimage/, flatpak/, fastlane/, docs/, examples/,
ci/, build.py, Dockerfile, upstream README/CLAUDE/AGENTS/GEMINI.
One local divergence vs. upstream: vendor/rustdesk/src/lib.rs flips
`mod custom_server` → `pub mod custom_server` so config_import.rs can
call get_custom_server_from_string without going through the
ui_interface shim. Documented in README.md → "Re-syncing the vendored
copy".
CI
.gitea/workflows/build-windows.yml builds on a self-hosted Windows
runner with Rust 1.75, LLVM 15.0.6 (libclang for bindgen via libvpx-sys),
and a vcpkg cache. The vendored vcpkg.json drives x64-windows-static
deps. The workflow stages the resulting hello-agent.exe into
SignOutput\, reports authenticode signing status (warns on unsigned),
and uploads as artifact. ~15 min full build, faster on incremental.
Out of scope for this commit: Linux/macOS builds, code signing, MSI
packaging, coexistence with stock rustdesk on the same box (currently
shares the RustDesk APP_NAME and config dir).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
86 lines
3.0 KiB
Diff
86 lines
3.0 KiB
Diff
From d74de94b49efcf7a0b25673ace6016938d1b9272 Mon Sep 17 00:00:00 2001
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From: 21pages <sunboeasy@gmail.com>
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Date: Tue, 10 Dec 2024 14:12:01 +0800
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Subject: [PATCH 3/5] videotoolbox changing bitrate
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Signed-off-by: 21pages <sunboeasy@gmail.com>
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---
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libavcodec/videotoolboxenc.c | 40 ++++++++++++++++++++++++++++++++++++
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1 file changed, 40 insertions(+)
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diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
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index da7b291b03..3c866177f5 100644
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--- a/libavcodec/videotoolboxenc.c
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+++ b/libavcodec/videotoolboxenc.c
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@@ -279,6 +279,8 @@ typedef struct VTEncContext {
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int max_slice_bytes;
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int power_efficient;
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int max_ref_frames;
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+
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+ int last_bit_rate;
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} VTEncContext;
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static void vtenc_free_buf_node(BufNode *info)
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@@ -1180,6 +1182,7 @@ static int vtenc_create_encoder(AVCodecContext *avctx,
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int64_t one_second_value = 0;
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void *nums[2];
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+ vtctx->last_bit_rate = bit_rate;
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int status = VTCompressionSessionCreate(kCFAllocatorDefault,
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avctx->width,
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avctx->height,
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@@ -2638,6 +2641,42 @@ out:
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return status;
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}
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+static void update_config(AVCodecContext *avctx)
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+{
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+ VTEncContext *vtctx = avctx->priv_data;
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+
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+ if (avctx->codec_id != AV_CODEC_ID_PRORES) {
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+ if (avctx->bit_rate != vtctx->last_bit_rate) {
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+ av_log(avctx, AV_LOG_INFO, "Setting bit rate to %d\n", avctx->bit_rate);
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+ vtctx->last_bit_rate = avctx->bit_rate;
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+ SInt32 bit_rate = avctx->bit_rate;
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+ CFNumberRef bit_rate_num = CFNumberCreate(kCFAllocatorDefault,
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+ kCFNumberSInt32Type,
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+ &bit_rate);
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+ if (!bit_rate_num) return;
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+
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+ if (vtctx->constant_bit_rate) {
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+ int status = VTSessionSetProperty(vtctx->session,
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+ compat_keys.kVTCompressionPropertyKey_ConstantBitRate,
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+ bit_rate_num);
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+ if (status == kVTPropertyNotSupportedErr) {
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+ av_log(avctx, AV_LOG_ERROR, "Error: -constant_bit_rate true is not supported by the encoder.\n");
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+ }
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+ } else {
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+ int status = VTSessionSetProperty(vtctx->session,
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+ kVTCompressionPropertyKey_AverageBitRate,
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+ bit_rate_num);
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+ if (status) {
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+ av_log(avctx, AV_LOG_ERROR, "Error: cannot set average bit rate: %d\n", status);
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+ }
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+ }
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+
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+ CFRelease(bit_rate_num);
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+ }
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+ }
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+}
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+
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+
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static av_cold int vtenc_frame(
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AVCodecContext *avctx,
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AVPacket *pkt,
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@@ -2650,6 +2689,7 @@ static av_cold int vtenc_frame(
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CMSampleBufferRef buf = NULL;
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ExtraSEI sei = {0};
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+ update_config(avctx);
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if (frame) {
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status = vtenc_send_frame(avctx, vtctx, frame);
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--
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2.43.0.windows.1
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