This commit is contained in:
HoLLy 2020-11-14 16:39:21 +01:00
Родитель 0d3cfa54f9
Коммит d7d94c287c
10 изменённых файлов: 55 добавлений и 63 удалений

3
.vscode/settings.json поставляемый Normal file
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@ -0,0 +1,3 @@
{
"editor.formatOnSave": true,
}

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@ -3,7 +3,9 @@ mod server;
use log::info;
fn main() {
pretty_env_logger::formatted_builder().filter_level(log::LevelFilter::Debug).init();
pretty_env_logger::formatted_builder()
.filter_level(log::LevelFilter::Debug)
.init();
info!("Hello, world!");
let rt = tokio::runtime::Runtime::new().unwrap();
@ -11,4 +13,3 @@ fn main() {
server::run::<server::WindowsHandler>().await.unwrap();
})
}

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@ -36,7 +36,10 @@ pub fn write_i32_prefixed_string(buf: &mut dyn BufMut, value: String) {
}
pub fn cstring_to_string(with_zeroes: &[u8]) -> String {
let len = with_zeroes.iter().position(|i| *i == 0).unwrap_or(with_zeroes.len());
let len = with_zeroes
.iter()
.position(|i| *i == 0)
.unwrap_or(with_zeroes.len());
let without_zeroes = &with_zeroes[0..len];
String::from_utf8(without_zeroes.to_vec()).unwrap()
}

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@ -2,9 +2,9 @@ use std::fmt::Debug;
use bytes::Buf;
use super::{command::*, commands_response::*, ce_common::*};
use super::{ce_common::*, command::*, commands_response::*};
pub trait CERequest : Debug + Send {
pub trait CERequest: Debug + Send {
type Response: CEResponse + Debug + Send;
const ID: Command;

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@ -28,8 +28,7 @@ impl CEResponse for Process32Response {
writer.put_u32_le(1u32);
writer.put_i32_le(entry.pid);
write_i32_prefixed_string(writer, entry.process_name)
}
else {
} else {
writer.put_u32_le(0u32);
writer.put_i32_le(0); // pid
writer.put_i32_le(0); // process name length
@ -49,8 +48,7 @@ impl CEResponse for Module32Response {
writer.put_i64_le(entry.module_base);
writer.put_i32_le(entry.module_size);
write_i32_prefixed_string(writer, entry.module_name)
}
else {
} else {
writer.put_u32_le(0u32);
writer.put_i64_le(0); // base
writer.put_i32_le(0); // size

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@ -1,15 +1,15 @@
use super::commands_request::*;
pub trait HandlerFactory<T: FullHandler> {
}
pub trait HandlerFactory<T: FullHandler> {}
pub trait FullHandler
: Handler<CreateToolHelp32SnapshotRequest>
pub trait FullHandler:
Handler<CreateToolHelp32SnapshotRequest>
+ Handler<Process32FirstRequest>
+ Handler<Process32NextRequest>
+ Handler<Module32FirstRequest>
+ Handler<Module32NextRequest>
+ Handler<CloseHandleRequest> {
+ Handler<CloseHandleRequest>
{
fn create() -> Self;
}

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@ -1,4 +1,4 @@
mod windows;
#[cfg(windows)]
pub use windows::WindowsHandler;
pub use windows::WindowsHandler;

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@ -2,17 +2,18 @@ use crate::server::{ce_common::*, commands_request::*, commands_response::*, han
use winapi::um::{
handleapi::CloseHandle,
tlhelp32::{
CreateToolhelp32Snapshot,
Process32First, Process32Next, Module32First, Module32Next,
LPPROCESSENTRY32, LPMODULEENTRY32
CreateToolhelp32Snapshot, Module32First, Module32Next, Process32First, Process32Next,
LPMODULEENTRY32, LPPROCESSENTRY32,
},
winnt::HANDLE
winnt::HANDLE,
};
pub struct WindowsHandler;
impl FullHandler for WindowsHandler {
fn create() -> WindowsHandler { WindowsHandler }
fn create() -> WindowsHandler {
WindowsHandler
}
}
impl Handler<CreateToolHelp32SnapshotRequest> for WindowsHandler {
@ -21,7 +22,7 @@ impl Handler<CreateToolHelp32SnapshotRequest> for WindowsHandler {
let ret = CreateToolhelp32Snapshot(req.snapshot_flags, req.process_id);
HandleResponse {
handle: ret as usize
handle: ret as usize,
}
}
}
@ -29,76 +30,64 @@ impl Handler<CreateToolHelp32SnapshotRequest> for WindowsHandler {
impl Handler<Process32FirstRequest> for WindowsHandler {
fn handle(&self, req: Process32FirstRequest) -> Process32Response {
unsafe {
get_process_response(req.handle, |x, y| Process32First(x, y))
}
unsafe { get_process_response(req.handle, |x, y| Process32First(x, y)) }
}
}
impl Handler<Process32NextRequest> for WindowsHandler {
fn handle(&self, req: Process32NextRequest) -> Process32Response {
unsafe {
get_process_response(req.handle, |x, y| Process32Next(x, y))
}
unsafe { get_process_response(req.handle, |x, y| Process32Next(x, y)) }
}
}
unsafe fn get_process_response<F>(handle: usize, func: F) -> Process32Response
where F : FnOnce(HANDLE, LPPROCESSENTRY32) -> i32 {
where
F: FnOnce(HANDLE, LPPROCESSENTRY32) -> i32,
{
let mut entry = std::mem::MaybeUninit::uninit().assume_init();
let response = func(std::mem::transmute(handle), &mut entry);
if response != 0 {
Process32Response {
entry: Some(
CeProcessEntry {
pid: entry.th32ProcessID as i32,
process_name: cstring_to_string(std::mem::transmute(&entry.szExeFile[..])),
}
)
entry: Some(CeProcessEntry {
pid: entry.th32ProcessID as i32,
process_name: cstring_to_string(std::mem::transmute(&entry.szExeFile[..])),
}),
}
} else {
Process32Response {
entry: None
}
Process32Response { entry: None }
}
}
impl Handler<Module32FirstRequest> for WindowsHandler {
fn handle(&self, req: Module32FirstRequest) -> Module32Response {
unsafe {
get_module_response(req.handle, |x, y| Module32First(x, y))
}
unsafe { get_module_response(req.handle, |x, y| Module32First(x, y)) }
}
}
impl Handler<Module32NextRequest> for WindowsHandler {
fn handle(&self, req: Module32NextRequest) -> Module32Response {
unsafe {
get_module_response(req.handle, |x, y| Module32Next(x, y))
}
unsafe { get_module_response(req.handle, |x, y| Module32Next(x, y)) }
}
}
unsafe fn get_module_response<F>(handle: usize, func: F) -> Module32Response
where F : FnOnce(HANDLE, LPMODULEENTRY32) -> i32 {
where
F: FnOnce(HANDLE, LPMODULEENTRY32) -> i32,
{
let mut entry = std::mem::MaybeUninit::uninit().assume_init();
let response = func(std::mem::transmute(handle), &mut entry);
if response != 0 {
Module32Response {
entry: Some(
CeModuleEntry {
module_base: entry.modBaseAddr as i64,
module_size: entry.modBaseSize as i32,
module_name: cstring_to_string(std::mem::transmute(&entry.szModule[..]))
}
)
entry: Some(CeModuleEntry {
module_base: entry.modBaseAddr as i64,
module_size: entry.modBaseSize as i32,
module_name: cstring_to_string(std::mem::transmute(&entry.szModule[..])),
}),
}
} else {
Module32Response {
entry: None
}
Module32Response { entry: None }
}
}
@ -107,9 +96,7 @@ impl Handler<CloseHandleRequest> for WindowsHandler {
unsafe {
let response = CloseHandle(std::mem::transmute(req.handle));
I32Response {
response
}
I32Response { response }
}
}
}

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@ -1,10 +1,10 @@
mod server;
mod ce_common;
mod command;
mod commands_request;
mod commands_response;
mod handler;
mod handlers;
mod ce_common;
mod server;
pub use handlers::WindowsHandler;
pub use server::run;
pub use handlers::WindowsHandler;

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@ -1,9 +1,9 @@
use bytes::Buf;
use log::{info, debug, error};
use log::{debug, error, info};
use tokio::net::{TcpListener, TcpStream};
use tokio::prelude::*;
use super::{handler::*, commands_request::*, commands_response::*};
use super::{commands_request::*, commands_response::*, handler::*};
const DEFAULT_PORT: u16 = 52736;
@ -42,7 +42,7 @@ macro_rules! gen_request_dispatch {
let mut buffer = Vec::new();
let request = <$request>::read(&mut $bytes);
debug!("Received item {:?}", request);
let response = $handler.handle(request);
debug!("... responding with {:?}", response);