866 lines
28 KiB
Rust
866 lines
28 KiB
Rust
use super::{linux::*, ResultType};
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use hbb_common::{allow_err, bail, log, rand::prelude::*, tokio::time};
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use pam;
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use std::{
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collections::HashMap,
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os::unix::process::CommandExt,
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path::Path,
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process::{Child, Command},
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sync::{
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atomic::{AtomicBool, Ordering},
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mpsc::{sync_channel, SyncSender},
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Arc, Mutex,
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},
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time::{Duration, Instant},
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};
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use users::{get_user_by_name, os::unix::UserExt, User};
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lazy_static::lazy_static! {
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static ref DESKTOP_RUNNING: Arc<AtomicBool> = Arc::new(AtomicBool::new(false));
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static ref DESKTOP_ENV: Arc<Mutex<Desktop>> = Arc::new(Mutex::new(Desktop::new()));
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static ref CHILD_FLAGS: Arc<Mutex<Option<ChildFlags>>> = Arc::new(Mutex::new(None));
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}
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pub const VIRTUAL_X11_DESKTOP: &str = "xfce4";
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pub const VIRTUAL_X11_DESKTOP_START: &str = "startxfce4";
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pub const XFCE4_PANEL: &str = "xfce4-panel";
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pub const GNOME_SESSION_BINARY: &str = "gnome-session-binary";
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pub const ENV_DESKTOP_PROTOCAL: &str = "RUSTDESK_PROTOCAL";
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pub const ENV_DESKTOP_PROTOCAL_WAYLAND: &str = "wayland";
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pub const ENV_DESKTOP_PROTOCAL__X11: &str = "x11";
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pub const ENV_DESKTOP_PROTOCAL_UNKNOWN: &str = "unknown";
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub enum Protocal {
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Wayland,
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X11, // Xorg
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Unknown,
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}
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#[derive(Debug, Clone)]
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pub struct Desktop {
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pub sid: String,
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pub protocal: Protocal,
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pub username: String,
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pub uid: String,
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pub display: String,
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pub xauth: String,
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}
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#[derive(Debug)]
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struct ChildFlags {
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child_exit: Arc<AtomicBool>,
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is_child_running: Arc<AtomicBool>,
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}
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fn check_update_env() {
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let mut child_flags = CHILD_FLAGS.lock().unwrap();
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let mut desktop = DESKTOP_ENV.lock().unwrap();
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if let Some(child_flags) = &mut (*child_flags) {
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if child_flags.is_child_running.load(Ordering::SeqCst) {
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return;
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}
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child_flags.child_exit.store(true, Ordering::SeqCst);
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}
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if !desktop.sid.is_empty() && is_active(&desktop.sid) {
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return;
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}
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let old_desktop = desktop.clone();
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desktop.refresh();
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if !desktop.is_same_env(&old_desktop) {
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desktop.update_env();
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log::debug!("desktop env changed, {:?}", &desktop);
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}
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}
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pub fn start_xdesktop() {
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std::thread::spawn(|| {
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if wait_xdesktop(20) {
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log::info!("Wait desktop: default");
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} else {
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log::info!("Wait desktop: none");
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}
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*CHILD_FLAGS.lock().unwrap() = Some(ChildFlags::new());
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let interval = time::Duration::from_millis(super::SERVICE_INTERVAL);
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DESKTOP_RUNNING.store(true, Ordering::SeqCst);
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while DESKTOP_RUNNING.load(Ordering::SeqCst) {
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check_update_env();
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std::thread::sleep(interval);
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}
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log::info!("xdesktop update thread exit");
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});
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}
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pub fn stop_xdesktop() {
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DESKTOP_RUNNING.store(false, Ordering::SeqCst);
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}
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#[inline]
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pub fn get_desktop_env() -> Desktop {
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DESKTOP_ENV.lock().unwrap().clone()
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}
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pub fn try_start_x_session(username: &str, password: &str) -> ResultType<Desktop> {
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let mut child_flags = CHILD_FLAGS.lock().unwrap();
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let mut desktop_lock = DESKTOP_ENV.lock().unwrap();
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let mut desktop = Desktop::new();
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if let Some(child_flags) = &mut (*child_flags) {
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let _ = child_flags.try_start_x_session(&mut desktop, username, password)?;
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log::debug!(
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"try_start_x_session, username: {}, {:?}",
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&username,
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&child_flags
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);
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*desktop_lock = desktop.clone();
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Ok(desktop)
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} else {
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bail!(crate::server::LOGIN_MSG_XDESKTOP_NOT_INITED);
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}
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}
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fn wait_xdesktop(timeout_secs: u64) -> bool {
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let wait_begin = Instant::now();
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while wait_begin.elapsed().as_secs() < timeout_secs {
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let uid = &get_values_of_seat0(&[1])[0];
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if !uid.is_empty() {
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return true;
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}
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if let Ok(output) = run_cmds(format!(
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"ps -ef | grep -v 'grep' | grep -E 'gnome-session-binary|{}'",
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XFCE4_PANEL
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)) {
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if !output.is_empty() {
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log::info!("wait xdesktop: find xclient {}", &output);
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return true;
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}
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}
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std::thread::sleep(Duration::from_millis(super::SERVICE_INTERVAL));
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}
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false
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}
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impl Desktop {
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pub fn new() -> Self {
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let xauth = get_env_var("XAUTHORITY");
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Self {
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sid: "".to_owned(),
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protocal: Protocal::Unknown,
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username: "".to_owned(),
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uid: "".to_owned(),
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display: "".to_owned(),
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xauth: if xauth.is_empty() {
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"/tmp/.Xauthority".to_owned()
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} else {
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xauth
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},
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}
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}
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fn update_env(&self) {
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if self.is_x11() {
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std::env::set_var("DISPLAY", &self.display);
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std::env::set_var("XAUTHORITY", &self.xauth);
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std::env::set_var(ENV_DESKTOP_PROTOCAL, &self.protocal.to_string());
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} else {
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std::env::set_var("DISPLAY", "");
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std::env::set_var("XAUTHORITY", "");
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std::env::set_var(ENV_DESKTOP_PROTOCAL, &self.protocal.to_string());
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}
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}
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pub fn is_same_env(&self, other: &Self) -> bool {
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self.sid == other.sid
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&& self.protocal == other.protocal
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&& self.uid == other.uid
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&& self.display == other.display
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&& self.xauth == other.xauth
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}
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#[inline]
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pub fn is_x11(&self) -> bool {
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self.protocal == Protocal::X11
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}
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#[inline]
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pub fn is_wayland(&self) -> bool {
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self.protocal == Protocal::Wayland
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}
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#[inline]
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pub fn is_ready(&self) -> bool {
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match self.protocal {
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Protocal::X11 | Protocal::Wayland => true,
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_ => false,
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}
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}
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// The logic mainly fron https://github.com/neutrinolabs/xrdp/blob/34fe9b60ebaea59e8814bbc3ca5383cabaa1b869/sesman/session.c#L334.
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fn get_avail_display() -> ResultType<u32> {
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let display_range = 0..51;
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for i in display_range.clone() {
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if Self::is_x_server_running(i) {
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continue;
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}
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return Ok(i);
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}
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bail!("No avaliable display found in range {:?}", display_range)
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}
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#[inline]
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fn is_x_server_running(display: u32) -> bool {
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Path::new(&format!("/tmp/.X11-unix/X{}", display)).exists()
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|| Path::new(&format!("/tmp/.X{}-lock", display)).exists()
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}
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fn get_display(&mut self) {
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self.display = get_env_tries("DISPLAY", &self.uid, GNOME_SESSION_BINARY, 10);
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if self.display.is_empty() {
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self.display = get_env_tries("DISPLAY", &self.uid, XFCE4_PANEL, 10);
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}
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if self.display.is_empty() {
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self.display = Self::get_display_by_user(&self.username);
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}
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if self.display.is_empty() {
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self.display = ":0".to_owned();
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}
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self.display = self
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.display
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.replace(&whoami::hostname(), "")
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.replace("localhost", "");
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}
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fn get_xauth(&mut self) {
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self.xauth = get_env_tries("XAUTHORITY", &self.uid, GNOME_SESSION_BINARY, 10);
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if self.xauth.is_empty() {
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get_env_tries("XAUTHORITY", &self.uid, XFCE4_PANEL, 10);
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}
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let gdm = format!("/run/user/{}/gdm/Xauthority", self.uid);
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if self.xauth.is_empty() {
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self.xauth = if std::path::Path::new(&gdm).exists() {
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gdm
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} else {
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let username = &self.username;
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if username == "root" {
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format!("/{}/.Xauthority", username)
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} else {
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let tmp = format!("/home/{}/.Xauthority", username);
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if std::path::Path::new(&tmp).exists() {
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tmp
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} else {
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format!("/var/lib/{}/.Xauthority", username)
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}
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}
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};
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}
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}
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fn get_display_by_user(user: &str) -> String {
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// log::debug!("w {}", &user);
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if let Ok(output) = std::process::Command::new("w").arg(&user).output() {
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for line in String::from_utf8_lossy(&output.stdout).lines() {
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let mut iter = line.split_whitespace();
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let b = iter.nth(2);
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if let Some(b) = b {
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if b.starts_with(":") {
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return b.to_owned();
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}
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}
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}
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}
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// above not work for gdm user
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//log::debug!("ls -l /tmp/.X11-unix/");
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let mut last = "".to_owned();
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if let Ok(output) = std::process::Command::new("ls")
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.args(vec!["-l", "/tmp/.X11-unix/"])
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.output()
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{
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for line in String::from_utf8_lossy(&output.stdout).lines() {
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let mut iter = line.split_whitespace();
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let user_field = iter.nth(2);
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if let Some(x) = iter.last() {
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if x.starts_with("X") {
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last = x.replace("X", ":").to_owned();
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if user_field == Some(&user) {
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return last;
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}
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}
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}
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}
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}
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last
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}
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fn add_xauth_cookie(
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file: &str,
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display: &str,
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uid: u32,
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gid: u32,
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envs: &HashMap<&str, String>,
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) -> ResultType<()> {
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let randstr = (0..16)
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.map(|_| format!("{:02x}", random::<u8>()))
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.collect::<String>();
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let output = Command::new("xauth")
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.uid(uid)
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.gid(gid)
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.envs(envs)
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.args(vec!["-q", "-f", file, "add", display, ".", &randstr])
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.output()?;
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// xauth run success, even the following error occurs.
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// Ok(Output { status: ExitStatus(unix_wait_status(0)), stdout: "", stderr: "xauth: file .Xauthority does not exist\n" })
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let errmsg = String::from_utf8_lossy(&output.stderr).to_string();
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if !errmsg.is_empty() {
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if !errmsg.contains("does not exist") {
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bail!("Failed to launch xauth, {}", errmsg)
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}
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}
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Ok(())
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}
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fn wait_x_server_running(pid: u32, display_num: u32, max_wait_secs: u64) -> ResultType<()> {
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let wait_begin = Instant::now();
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loop {
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if run_cmds(format!("ls /proc/{}", pid))?.is_empty() {
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bail!("X server exit");
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}
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if Self::is_x_server_running(display_num) {
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return Ok(());
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}
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if wait_begin.elapsed().as_secs() > max_wait_secs {
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bail!("Failed to wait xserver after {} seconds", max_wait_secs);
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}
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std::thread::sleep(Duration::from_millis(300));
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}
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}
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fn refresh(&mut self) {
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*self = Self::new();
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let seat0_values = get_values_of_seat0(&[0, 1, 2]);
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if seat0_values[0].is_empty() {
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return;
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}
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self.sid = seat0_values[0].clone();
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self.uid = seat0_values[1].clone();
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self.username = seat0_values[2].clone();
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self.protocal = get_display_server_of_session(&self.sid).into();
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self.get_display();
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self.get_xauth();
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}
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}
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impl Drop for ChildFlags {
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fn drop(&mut self) {
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self.stop_children();
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}
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}
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impl ChildFlags {
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fn fatal_exit() {
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std::process::exit(0);
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}
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pub fn new() -> Self {
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Self {
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child_exit: Arc::new(AtomicBool::new(true)),
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is_child_running: Arc::new(AtomicBool::new(false)),
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}
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}
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fn try_start_x_session(
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&mut self,
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desktop: &mut Desktop,
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username: &str,
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password: &str,
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) -> ResultType<()> {
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match get_user_by_name(username) {
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Some(userinfo) => {
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let mut client = pam::Client::with_password(pam_get_service_name())?;
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client
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.conversation_mut()
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.set_credentials(username, password);
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match client.authenticate() {
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Ok(_) => {
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if desktop.is_x11() && desktop.username == username {
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return Ok(());
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}
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// to-do: sid is empty if xorg is managed by this process
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desktop.sid = "".to_owned();
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desktop.username = username.to_string();
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desktop.uid = userinfo.uid().to_string();
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desktop.protocal = Protocal::Unknown;
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match self.start_x_session(desktop, &userinfo, password) {
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Ok(_) => {
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log::info!("Succeeded to start x11, update env {:?}", &desktop);
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desktop.update_env();
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Ok(())
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}
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Err(e) => {
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*desktop = Desktop::new();
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desktop.update_env();
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bail!("failed to start x session, {}", e);
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}
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}
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}
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Err(e) => {
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bail!("failed to check user pass for {}, {}", username, e);
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}
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}
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}
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None => {
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bail!("failed to get userinfo of {}", username);
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}
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}
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}
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fn start_x_session(
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&mut self,
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desktop: &mut Desktop,
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userinfo: &User,
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password: &str,
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) -> ResultType<()> {
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self.stop_children();
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let display_num = Desktop::get_avail_display()?;
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// "xServer_ip:display_num.screen_num"
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desktop.display = format!(":{}", display_num);
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let uid = userinfo.uid();
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let gid = userinfo.primary_group_id();
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let envs = HashMap::from([
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("SHELL", userinfo.shell().to_string_lossy().to_string()),
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("PATH", "/sbin:/bin:/usr/bin:/usr/local/bin".to_owned()),
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("USER", desktop.username.clone()),
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("UID", userinfo.uid().to_string()),
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("HOME", userinfo.home_dir().to_string_lossy().to_string()),
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(
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"XDG_RUNTIME_DIR",
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format!("/run/user/{}", userinfo.uid().to_string()),
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),
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// ("DISPLAY", self.display.clone()),
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// ("XAUTHORITY", self.xauth.clone()),
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// (ENV_DESKTOP_PROTOCAL, XProtocal::X11.to_string()),
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]);
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let desktop_clone = desktop.clone();
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self.child_exit.store(false, Ordering::SeqCst);
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let is_child_running = self.is_child_running.clone();
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let (tx_res, rx_res) = sync_channel(1);
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let password = password.to_string();
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// start x11
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std::thread::spawn(move || {
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match Self::start_x_session_thread(
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tx_res.clone(),
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is_child_running,
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desktop_clone,
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uid,
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gid,
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display_num,
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password,
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envs,
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) {
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Ok(_) => {}
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Err(e) => {
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log::error!("Failed to start x session thread");
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allow_err!(tx_res.send(format!("Failed to start x session thread, {}", e)));
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}
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}
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});
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// wait x11
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match rx_res.recv_timeout(Duration::from_millis(10_000)) {
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Ok(res) => {
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if res == "" {
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desktop.protocal = Protocal::X11;
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Ok(())
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} else {
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bail!(res)
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}
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}
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Err(e) => {
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bail!("Failed to recv x11 result {}", e)
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}
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}
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}
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fn start_x_session_thread(
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tx_res: SyncSender<String>,
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is_child_running: Arc<AtomicBool>,
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desktop: Desktop,
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uid: u32,
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gid: u32,
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display_num: u32,
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password: String,
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envs: HashMap<&str, String>,
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) -> ResultType<()> {
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let mut client = pam::Client::with_password(pam_get_service_name())?;
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client
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.conversation_mut()
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.set_credentials(&desktop.username, &password);
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client.authenticate()?;
|
|
|
|
client.set_item(pam::PamItemType::TTY, &desktop.display)?;
|
|
client.open_session()?;
|
|
|
|
// fixme: FreeBSD kernel needs to login here.
|
|
// see: https://github.com/neutrinolabs/xrdp/blob/a64573b596b5fb07ca3a51590c5308d621f7214e/sesman/session.c#L556
|
|
|
|
let (child_xorg, child_wm) = Self::start_x11(&desktop, uid, gid, display_num, &envs)?;
|
|
is_child_running.store(true, Ordering::SeqCst);
|
|
|
|
log::info!("Start xorg and wm done, notify and wait xtop x11");
|
|
allow_err!(tx_res.send("".to_owned()));
|
|
|
|
Self::wait_stop_x11(child_xorg, child_wm);
|
|
log::info!("Wait x11 stop done");
|
|
Ok(())
|
|
}
|
|
|
|
fn wait_xorg_exit(child_xorg: &mut Child) -> ResultType<String> {
|
|
if let Ok(_) = child_xorg.kill() {
|
|
for _ in 0..3 {
|
|
match child_xorg.try_wait() {
|
|
Ok(Some(status)) => return Ok(format!("Xorg exit with {}", status)),
|
|
Ok(None) => {}
|
|
Err(e) => {
|
|
// fatal error
|
|
log::error!("Failed to wait xorg process, {}", e);
|
|
bail!("Failed to wait xorg process, {}", e)
|
|
}
|
|
}
|
|
std::thread::sleep(std::time::Duration::from_millis(1_000));
|
|
}
|
|
log::error!("Failed to wait xorg process, not exit");
|
|
bail!("Failed to wait xorg process, not exit")
|
|
} else {
|
|
Ok("Xorg is already exited".to_owned())
|
|
}
|
|
}
|
|
|
|
fn start_x11(
|
|
desktop: &Desktop,
|
|
uid: u32,
|
|
gid: u32,
|
|
display_num: u32,
|
|
envs: &HashMap<&str, String>,
|
|
) -> ResultType<(Child, Child)> {
|
|
log::debug!("envs of user {}: {:?}", &desktop.username, &envs);
|
|
|
|
Desktop::add_xauth_cookie(&desktop.xauth, &desktop.display, uid, gid, &envs)?;
|
|
|
|
// Start Xorg
|
|
let mut child_xorg =
|
|
Self::start_x_server(&desktop.xauth, &desktop.display, uid, gid, &envs)?;
|
|
|
|
log::info!("xorg started, wait 10 secs to ensuer x server is running");
|
|
|
|
let max_wait_secs = 10;
|
|
// wait x server running
|
|
if let Err(e) = Desktop::wait_x_server_running(child_xorg.id(), display_num, max_wait_secs)
|
|
{
|
|
match Self::wait_xorg_exit(&mut child_xorg) {
|
|
Ok(msg) => log::info!("{}", msg),
|
|
Err(e) => {
|
|
log::error!("{}", e);
|
|
Self::fatal_exit();
|
|
}
|
|
}
|
|
bail!(e)
|
|
}
|
|
|
|
log::info!(
|
|
"xorg is running, start x window manager with DISPLAY: {}, XAUTHORITY: {}",
|
|
&desktop.display,
|
|
&desktop.xauth
|
|
);
|
|
|
|
std::env::set_var("DISPLAY", &desktop.display);
|
|
std::env::set_var("XAUTHORITY", &desktop.xauth);
|
|
// start window manager (startwm.sh)
|
|
let child_wm = match Self::start_x_window_manager(uid, gid, &envs) {
|
|
Ok(c) => c,
|
|
Err(e) => {
|
|
match Self::wait_xorg_exit(&mut child_xorg) {
|
|
Ok(msg) => log::info!("{}", msg),
|
|
Err(e) => {
|
|
log::error!("{}", e);
|
|
Self::fatal_exit();
|
|
}
|
|
}
|
|
bail!(e)
|
|
}
|
|
};
|
|
log::info!("x window manager is started");
|
|
|
|
Ok((child_xorg, child_wm))
|
|
}
|
|
|
|
fn try_wait_x11_child_exit(child_xorg: &mut Child, child_wm: &mut Child) -> bool {
|
|
match child_xorg.try_wait() {
|
|
Ok(Some(status)) => {
|
|
println!(
|
|
"=============================MYDEBUG Xorg exit with {}",
|
|
status
|
|
);
|
|
log::info!("Xorg exit with {}", status);
|
|
return true;
|
|
}
|
|
Ok(None) => {}
|
|
Err(e) => log::error!("Failed to wait xorg process, {}", e),
|
|
}
|
|
|
|
match child_wm.try_wait() {
|
|
Ok(Some(status)) => {
|
|
println!(
|
|
"=============================MYDEBUG: wm exit with {}",
|
|
status
|
|
);
|
|
log::info!("wm exit with {}", status);
|
|
return true;
|
|
}
|
|
Ok(None) => {}
|
|
Err(e) => log::error!("Failed to wait xorg process, {}", e),
|
|
}
|
|
false
|
|
}
|
|
|
|
fn wait_x11_children_exit(child_xorg: &mut Child, child_wm: &mut Child) {
|
|
log::debug!("Try kill child process xorg");
|
|
if let Ok(_) = child_xorg.kill() {
|
|
let mut exited = false;
|
|
for _ in 0..2 {
|
|
match child_xorg.try_wait() {
|
|
Ok(Some(status)) => {
|
|
println!(
|
|
"=============================MYDEBUG Xorg exit with {}",
|
|
status
|
|
);
|
|
log::info!("Xorg exit with {}", status);
|
|
exited = true;
|
|
break;
|
|
}
|
|
Ok(None) => {}
|
|
Err(e) => {
|
|
println!(
|
|
"=============================MYDEBUG Failed to wait xorg process, {}",
|
|
&e
|
|
);
|
|
log::error!("Failed to wait xorg process, {}", e);
|
|
Self::fatal_exit();
|
|
}
|
|
}
|
|
std::thread::sleep(std::time::Duration::from_millis(1_000));
|
|
}
|
|
if !exited {
|
|
println!(
|
|
"=============================MYDEBUG Failed to wait child xorg, after kill()"
|
|
);
|
|
log::error!("Failed to wait child xorg, after kill()");
|
|
// try kill -9?
|
|
}
|
|
}
|
|
log::debug!("Try kill child process wm");
|
|
if let Ok(_) = child_wm.kill() {
|
|
let mut exited = false;
|
|
for _ in 0..2 {
|
|
match child_wm.try_wait() {
|
|
Ok(Some(status)) => {
|
|
println!(
|
|
"=============================MYDEBUG wm exit with {}",
|
|
status
|
|
);
|
|
log::info!("wm exit with {}", status);
|
|
exited = true;
|
|
}
|
|
Ok(None) => {}
|
|
Err(e) => {
|
|
println!(
|
|
"=============================MYDEBUG Failed to wait wm process, {}",
|
|
&e
|
|
);
|
|
log::error!("Failed to wait wm process, {}", e);
|
|
Self::fatal_exit();
|
|
}
|
|
}
|
|
std::thread::sleep(std::time::Duration::from_millis(1_000));
|
|
}
|
|
if !exited {
|
|
println!(
|
|
"=============================MYDEBUG Failed to wait child xorg, after kill()"
|
|
);
|
|
log::error!("Failed to wait child xorg, after kill()");
|
|
// try kill -9?
|
|
}
|
|
}
|
|
}
|
|
|
|
fn try_wait_stop_x11(child_xorg: &mut Child, child_wm: &mut Child) -> bool {
|
|
let mut child_flags = CHILD_FLAGS.lock().unwrap();
|
|
let mut exited = true;
|
|
if let Some(child_flags) = &mut (*child_flags) {
|
|
if child_flags.child_exit.load(Ordering::SeqCst) {
|
|
exited = true;
|
|
} else {
|
|
exited = Self::try_wait_x11_child_exit(child_xorg, child_wm);
|
|
}
|
|
if exited {
|
|
println!("=============================MYDEBUG begin to wait x11 children exit");
|
|
Self::wait_x11_children_exit(child_xorg, child_wm);
|
|
child_flags.is_child_running.store(false, Ordering::SeqCst);
|
|
child_flags.child_exit.store(true, Ordering::SeqCst);
|
|
}
|
|
}
|
|
exited
|
|
}
|
|
|
|
fn wait_stop_x11(mut child_xorg: Child, mut child_wm: Child) {
|
|
loop {
|
|
if Self::try_wait_stop_x11(&mut child_xorg, &mut child_wm) {
|
|
break;
|
|
}
|
|
std::thread::sleep(Duration::from_millis(super::SERVICE_INTERVAL));
|
|
}
|
|
}
|
|
|
|
fn get_xorg() -> ResultType<&'static str> {
|
|
// Fedora 26 or later
|
|
let xorg = "/usr/libexec/Xorg";
|
|
if Path::new(xorg).is_file() {
|
|
return Ok(xorg);
|
|
}
|
|
// Debian 9 or later
|
|
let xorg = "/usr/lib/xorg/Xorg";
|
|
if Path::new(xorg).is_file() {
|
|
return Ok(xorg);
|
|
}
|
|
// Ubuntu 16.04 or later
|
|
let xorg = "/usr/lib/xorg/Xorg";
|
|
if Path::new(xorg).is_file() {
|
|
return Ok(xorg);
|
|
}
|
|
// Arch Linux
|
|
let xorg = "/usr/lib/xorg-server/Xorg";
|
|
if Path::new(xorg).is_file() {
|
|
return Ok(xorg);
|
|
}
|
|
// Arch Linux
|
|
let xorg = "/usr/lib/Xorg";
|
|
if Path::new(xorg).is_file() {
|
|
return Ok(xorg);
|
|
}
|
|
// CentOS 7 /usr/bin/Xorg or param=Xorg
|
|
|
|
log::warn!("Failed to find xorg, use default Xorg.\n Please add \"allowed_users=anybody\" to \"/etc/X11/Xwrapper.config\".");
|
|
Ok("Xorg")
|
|
}
|
|
|
|
fn start_x_server(
|
|
xauth: &str,
|
|
display: &str,
|
|
uid: u32,
|
|
gid: u32,
|
|
envs: &HashMap<&str, String>,
|
|
) -> ResultType<Child> {
|
|
let xorg = Self::get_xorg()?;
|
|
log::info!("Use xorg: {}", &xorg);
|
|
match Command::new(xorg)
|
|
.envs(envs)
|
|
.uid(uid)
|
|
.gid(gid)
|
|
.args(vec![
|
|
"-noreset",
|
|
"+extension",
|
|
"GLX",
|
|
"+extension",
|
|
"RANDR",
|
|
"+extension",
|
|
"RENDER",
|
|
//"-logfile",
|
|
//"/tmp/RustDesk_xorg.log",
|
|
"-config",
|
|
"rustdesk/xorg.conf",
|
|
"-auth",
|
|
xauth,
|
|
display,
|
|
])
|
|
.spawn()
|
|
{
|
|
Ok(c) => Ok(c),
|
|
Err(e) => {
|
|
bail!("Failed to start Xorg with display {}, {}", display, e);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn start_x_window_manager(
|
|
uid: u32,
|
|
gid: u32,
|
|
envs: &HashMap<&str, String>,
|
|
) -> ResultType<Child> {
|
|
match Command::new("/etc/rustdesk/startwm.sh")
|
|
.envs(envs)
|
|
.uid(uid)
|
|
.gid(gid)
|
|
.spawn()
|
|
{
|
|
Ok(c) => Ok(c),
|
|
Err(e) => {
|
|
bail!("Failed to start window manager, {}", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn stop_children(&mut self) {
|
|
self.child_exit.store(true, Ordering::SeqCst);
|
|
for _i in 1..10 {
|
|
if !self.is_child_running.load(Ordering::SeqCst) {
|
|
break;
|
|
}
|
|
std::thread::sleep(Duration::from_millis(super::SERVICE_INTERVAL));
|
|
}
|
|
if self.is_child_running.load(Ordering::SeqCst) {
|
|
log::warn!("xdesktop child is still running!");
|
|
}
|
|
}
|
|
}
|
|
|
|
fn pam_get_service_name() -> &'static str {
|
|
if Path::new("/etc/pam.d/rustdesk").is_file() {
|
|
"rustdesk"
|
|
} else {
|
|
"gdm"
|
|
}
|
|
}
|
|
|
|
impl ToString for Protocal {
|
|
fn to_string(&self) -> String {
|
|
match self {
|
|
Protocal::X11 => ENV_DESKTOP_PROTOCAL__X11.to_owned(),
|
|
Protocal::Wayland => ENV_DESKTOP_PROTOCAL_WAYLAND.to_owned(),
|
|
Protocal::Unknown => ENV_DESKTOP_PROTOCAL_UNKNOWN.to_owned(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<String> for Protocal {
|
|
fn from(value: String) -> Self {
|
|
match &value as &str {
|
|
ENV_DESKTOP_PROTOCAL__X11 => Protocal::X11,
|
|
ENV_DESKTOP_PROTOCAL_WAYLAND => Protocal::Wayland,
|
|
_ => Protocal::Unknown,
|
|
}
|
|
}
|
|
}
|