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refact: remove linux headless (#15866)

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* refact: remove linux headless

Signed-off-by: fufesou <linlong1266@gmail.com>

* fix(linux): probe DRM availability asynchronously on login

Signed-off-by: fufesou <linlong1266@gmail.com>

* revert changes in drm_capturer.rs

Signed-off-by: fufesou <linlong1266@gmail.com>

* Update submodule hbb_common

Signed-off-by: fufesou <linlong1266@gmail.com>

* docs(linux): clarify DRM availability comments

Remove stale headless and unauthenticated-request
wording, and document the Available-only login-screen gate.

Signed-off-by: fufesou <linlong1266@gmail.com>

* fix(linux): remove unreachable session cleanup branch

Remove the obsolete empty-session path and
clarify the intended use of cached DRM availability.

Signed-off-by: fufesou <linlong1266@gmail.com>

---------

Signed-off-by: fufesou <linlong1266@gmail.com>
This commit is contained in:
fufesou
2026-08-18 15:02:50 +08:00
committed by GitHub
parent 0c00d576dd
commit b0008edcb5
99 changed files with 133 additions and 2944 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
src/platform/linux.rs
View File

@@ -14,7 +14,7 @@ use hbb_common::{
allow_err,
anyhow::anyhow,
bail,
config::{keys::OPTION_ALLOW_LINUX_HEADLESS, Config},
config::Config,
libc::{c_char, c_int, c_long, c_uint, c_ulong, c_void},
log,
message_proto::{DisplayInfo, Resolution},
@@ -235,11 +235,6 @@ pub struct xcb_xfixes_get_cursor_image {
pub pixels: *const c_long,
}
#[inline]
pub fn is_headless_allowed() -> bool {
Config::get_option(OPTION_ALLOW_LINUX_HEADLESS) == "Y"
}
#[inline]
pub fn is_login_screen_wayland() -> bool {
let values = get_values_of_seat0_with_gdm_wayland(&[0, 2]);
@@ -863,18 +858,6 @@ fn stop_rustdesk_servers() {
));
}
#[inline]
fn stop_subprocess() {
let _ = run_cmds(&format!(
r##"ps -ef | grep '/etc/{}/xorg.conf' | grep -v grep | awk '{{print $2}}' | xargs -r kill -9"##,
crate::get_app_name().to_lowercase(),
));
let _ = run_cmds(&format!(
r##"ps -ef | grep -E '{} +--cm-no-ui' | grep -v grep | awk '{{print $2}}' | xargs -r kill -9"##,
crate::get_app_name().to_lowercase(),
));
}
fn should_start_server(
try_x11: bool,
is_display_changed: bool,
@@ -888,13 +871,7 @@ fn should_start_server(
let mut start_new = false;
let mut should_kill = false;
if desktop.is_headless() {
if !uid.is_empty() {
// From having a monitor to not having a monitor.
*uid = "".to_owned();
should_kill = true;
}
} else if is_display_changed || desktop.uid != *uid && !desktop.uid.is_empty() {
if is_display_changed || desktop.uid != *uid && !desktop.uid.is_empty() {
*uid = desktop.uid.clone();
if try_x11 {
set_x11_env(&desktop);
@@ -953,7 +930,6 @@ fn force_stop_server() {
pub fn start_os_service() {
check_if_stop_service();
stop_rustdesk_servers();
stop_subprocess();
start_uinput_service();
std::thread::spawn(|| {
@@ -1003,8 +979,7 @@ pub fn start_os_service() {
desktop.refresh();
update_active_user_lookup_cache(&desktop);
// Duplicate logic here with should_start_server
// Login wayland will try to start a headless --server.
// Duplicate logic here with should_start_server.
if desktop.username == "root" || desktop.is_login_wayland() {
// try kill subprocess "--server"
stop_server(&mut user_server);
@@ -1019,7 +994,6 @@ pub fn start_os_service() {
&mut last_restart,
&mut server,
) {
stop_subprocess();
force_stop_server();
// Run the login-screen --server as the active seat0 session user (the greeter
// account) rather than root, so the DRM capture GPU/EGL convert never loads the
@@ -1072,7 +1046,6 @@ pub fn start_os_service() {
&mut last_restart,
&mut user_server,
) {
stop_subprocess();
force_stop_server();
start_server(Some(&desktop), &mut user_server);
}
@@ -1082,17 +1055,14 @@ pub fn start_os_service() {
stop_server(&mut server);
}
let keeps_headless = sid.is_empty() && desktop.is_headless();
let keeps_session = sid == desktop.sid;
if keeps_headless || keeps_session {
if keeps_session {
// for fixing https://github.com/rustdesk/rustdesk/issues/3129 to avoid too much dbus calling,
sleep_millis(500);
} else {
sleep_millis(super::SERVICE_INTERVAL);
}
if !desktop.is_headless() {
sid = desktop.sid.clone();
}
sid = desktop.sid.clone();
}
if let Some(ps) = user_server.take().as_mut() {
@@ -1249,7 +1219,6 @@ fn is_flatpak() -> bool {
std::path::PathBuf::from("/.flatpak-info").exists()
}
// Headless is enabled, always return true.
pub fn is_prelogin() -> bool {
if is_flatpak() {
return false;
@@ -1860,7 +1829,6 @@ mod desktop {
pub xauth: String,
pub home: String,
pub dbus: String,
pub is_rustdesk_subprocess: bool,
pub wl_display: String,
}
@@ -1875,11 +1843,6 @@ mod desktop {
super::is_gdm_user(&self.username) && self.protocol == DISPLAY_SERVER_WAYLAND
}
#[inline]
pub fn is_headless(&self) -> bool {
self.sid.is_empty() || self.is_rustdesk_subprocess
}
fn get_display_xauth_wayland(&mut self) {
for _ in 1..=10 {
// Prefer Wayland-related variables first when multiple portal processes match.
@@ -2117,25 +2080,11 @@ mod desktop {
last
}
fn set_is_subprocess(&mut self) {
self.is_rustdesk_subprocess = false;
let cmd = format!(
"ps -ef | grep '{}/xorg.conf' | grep -v grep | wc -l",
crate::get_app_name().to_lowercase()
);
if let Ok(res) = run_cmds(&cmd) {
if res.trim() != "0" {
self.is_rustdesk_subprocess = true;
}
}
}
pub fn refresh(&mut self) {
if !self.sid.is_empty() && is_active_and_seat0(&self.sid) {
// Xwayland display and xauth may not be available in a short time after login.
if is_xwayland_running() && !self.is_login_wayland() {
self.get_display_xauth_xwayland();
self.is_rustdesk_subprocess = false;
} else if self.is_wayland() {
self.get_display_xauth_wayland();
}
@@ -2145,7 +2094,6 @@ mod desktop {
let seat0_values = get_values_of_seat0_with_gdm_wayland(&[0, 1, 2]);
if seat0_values[0].is_empty() {
*self = Self::default();
self.is_rustdesk_subprocess = false;
return;
}
@@ -2156,7 +2104,6 @@ mod desktop {
if self.is_login_wayland() {
self.display = "".to_owned();
self.xauth = "".to_owned();
self.is_rustdesk_subprocess = false;
// Resolve HOME even on this path. Upstream returned without it because nothing then
// consumed a login-Wayland Desktop, but the drm build starts a `--server` as the
// greeter uid here, and a child with no HOME has nowhere to put its config. The
@@ -2183,11 +2130,9 @@ mod desktop {
} else {
self.get_display_xauth_wayland();
}
self.is_rustdesk_subprocess = false;
} else {
self.get_display_x11();
self.get_xauth_x11();
self.set_is_subprocess();
}
}
}