mirror of
https://github.com/vosen/ZLUDA.git
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Refactor winapi calls to surface errors
This commit is contained in:
Andrzej Janik
parent
611e289531
commit
6bd033c369
2 changed files with 238 additions and 179 deletions
165
src/bin.rs
165
src/bin.rs
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@ -1,76 +1,89 @@
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extern crate clap;
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extern crate clap;
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extern crate detours_sys;
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extern crate detours_sys;
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use std::error::Error;
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use std::error::Error;
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use std::ffi::OsStr;
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use std::ffi::OsStr;
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use std::mem;
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use std::mem;
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use std::os::windows::ffi::OsStrExt;
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use std::os::windows::ffi::OsStrExt;
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use std::ptr;
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use std::ptr;
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use clap::{App, AppSettings, Arg};
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use clap::{App, AppSettings, Arg};
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mod win_err;
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#[macro_use]
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mod win;
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fn main() -> Result<(), Box<dyn Error>> {
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let matches = App::new("notCUDA injector")
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fn main() -> Result<(), Box<dyn Error>> {
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.setting(AppSettings::TrailingVarArg)
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let matches = App::new("notCUDA injector")
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.arg(
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.setting(AppSettings::TrailingVarArg)
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Arg::with_name("EXE")
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.arg(
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.help("Path to the executable to be injected with notCUDA")
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Arg::with_name("EXE")
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.required(true),
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.help("Path to the executable to be injected with notCUDA")
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)
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.required(true),
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.arg(
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)
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Arg::with_name("ARGS")
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.arg(
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.multiple(true)
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Arg::with_name("ARGS")
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.help("Arguments that will be passed to <EXE>"),
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.multiple(true)
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)
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.help("Arguments that will be passed to <EXE>"),
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.get_matches();
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)
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let exe = matches.value_of_os("EXE").unwrap();
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.get_matches();
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let args: Vec<&OsStr> = matches
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let exe = matches.value_of_os("EXE").unwrap();
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.values_of_os("ARGS")
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let args: Vec<&OsStr> = matches
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.map(|x| x.collect())
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.values_of_os("ARGS")
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.unwrap_or_else(|| Vec::new());
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.map(|x| x.collect())
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let mut cmd_line = Vec::<u16>::with_capacity(exe.len() + 2);
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.unwrap_or_else(|| Vec::new());
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cmd_line.push('\"' as u16);
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let mut cmd_line = Vec::<u16>::with_capacity(exe.len() + 2);
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copy_to(exe, &mut cmd_line);
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cmd_line.push('\"' as u16);
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cmd_line.push('\"' as u16);
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copy_to(exe, &mut cmd_line);
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cmd_line.push(' ' as u16);
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cmd_line.push('\"' as u16);
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args.split_last().map(|(last_arg, args)| {
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cmd_line.push(' ' as u16);
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for arg in args {
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args.split_last().map(|(last_arg, args)| {
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cmd_line.reserve(arg.len());
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for arg in args {
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copy_to(arg, &mut cmd_line);
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cmd_line.reserve(arg.len());
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cmd_line.push(' ' as u16);
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copy_to(arg, &mut cmd_line);
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}
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cmd_line.push(' ' as u16);
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copy_to(last_arg, &mut cmd_line);
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}
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});
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copy_to(last_arg, &mut cmd_line);
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});
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cmd_line.push(0);
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let mut startup_info = unsafe { mem::zeroed::<detours_sys::_STARTUPINFOW>() };
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cmd_line.push(0);
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let mut proc_info = unsafe { mem::zeroed::<detours_sys::_PROCESS_INFORMATION>() };
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let mut startup_info = unsafe { mem::zeroed::<detours_sys::_STARTUPINFOW>() };
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let process_success = unsafe {
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let mut proc_info = unsafe { mem::zeroed::<detours_sys::_PROCESS_INFORMATION>() };
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detours_sys::DetourCreateProcessWithDllExW(
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os_call!(
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ptr::null(),
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detours_sys::DetourCreateProcessWithDllExW(
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cmd_line.as_mut_ptr(),
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ptr::null(),
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ptr::null_mut(),
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cmd_line.as_mut_ptr(),
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ptr::null_mut(),
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ptr::null_mut(),
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0,
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ptr::null_mut(),
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0x10,
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0,
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ptr::null_mut(),
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0x10,
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ptr::null(),
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ptr::null_mut(),
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&mut startup_info as *mut _,
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ptr::null(),
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&mut proc_info as *mut _,
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&mut startup_info as *mut _,
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"nvcuda_redirect.dll".as_ptr() as *const i8,
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&mut proc_info as *mut _,
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Option::None,
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"nvcuda_redirect.dll".as_ptr() as *const i8,
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)
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Option::None
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};
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),
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if process_success == 0 {
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0
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return Err(win_err::error_string(win_err::errno()))?;
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);
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}
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Ok(())
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Ok(())
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/*
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}
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cmd_line.as_mut_ptr(),
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fn copy_to(from: &OsStr, to: &mut Vec<u16>) {
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ptr::null_mut(),
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for x in from.encode_wide() {
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ptr::null_mut(),
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to.push(x);
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0,
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}
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0x10,
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}
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ptr::null_mut(),
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ptr::null(),
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&mut startup_info as *mut _,
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&mut proc_info as *mut _,
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"nvcuda_redirect.dll".as_ptr() as *const i8,
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Option::None,
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*/
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}
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fn copy_to(from: &OsStr, to: &mut Vec<u16>) {
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for x in from.encode_wide() {
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to.push(x);
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}
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}
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@ -1,103 +1,149 @@
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#![allow(non_snake_case)]
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#![allow(non_snake_case)]
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use std::ptr;
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use std::error;
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use std::error::Error;
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mod c {
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use std::fmt;
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use std::ffi::c_void;
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use std::ptr;
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use std::os::raw::{c_ulong};
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mod c {
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pub type DWORD = c_ulong;
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use std::ffi::c_void;
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pub type HANDLE = LPVOID;
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use std::os::raw::c_ulong;
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pub type LPVOID = *mut c_void;
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pub type HINSTANCE = HANDLE;
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pub type DWORD = c_ulong;
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pub type HMODULE = HINSTANCE;
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pub type HANDLE = LPVOID;
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pub type WCHAR = u16;
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pub type LPVOID = *mut c_void;
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pub type LPCWSTR = *const WCHAR;
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pub type HINSTANCE = HANDLE;
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pub type LPWSTR = *mut WCHAR;
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pub type HMODULE = HINSTANCE;
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pub type WCHAR = u16;
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pub const FACILITY_NT_BIT: DWORD = 0x1000_0000;
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pub type LPCWSTR = *const WCHAR;
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pub const FORMAT_MESSAGE_FROM_HMODULE: DWORD = 0x00000800;
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pub type LPWSTR = *mut WCHAR;
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pub const FORMAT_MESSAGE_FROM_SYSTEM: DWORD = 0x00001000;
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pub const FORMAT_MESSAGE_IGNORE_INSERTS: DWORD = 0x00000200;
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pub const FACILITY_NT_BIT: DWORD = 0x1000_0000;
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pub const FORMAT_MESSAGE_FROM_HMODULE: DWORD = 0x00000800;
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extern "system" {
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pub const FORMAT_MESSAGE_FROM_SYSTEM: DWORD = 0x00001000;
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pub fn GetLastError() -> DWORD;
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pub const FORMAT_MESSAGE_IGNORE_INSERTS: DWORD = 0x00000200;
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pub fn GetModuleHandleW(lpModuleName: LPCWSTR) -> HMODULE;
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pub fn FormatMessageW(
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extern "system" {
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flags: DWORD,
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pub fn GetLastError() -> DWORD;
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lpSrc: LPVOID,
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pub fn GetModuleHandleW(lpModuleName: LPCWSTR) -> HMODULE;
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msgId: DWORD,
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pub fn FormatMessageW(
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langId: DWORD,
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flags: DWORD,
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buf: LPWSTR,
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lpSrc: LPVOID,
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nsize: DWORD,
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msgId: DWORD,
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args: *const c_void,
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langId: DWORD,
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) -> DWORD;
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buf: LPWSTR,
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}
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nsize: DWORD,
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}
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args: *const c_void,
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) -> DWORD;
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pub fn errno() -> i32 {
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}
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unsafe { c::GetLastError() as i32 }
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}
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}
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macro_rules! last_ident {
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/// Gets a detailed string description for the given error number.
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($i:ident) => {
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pub fn error_string(mut errnum: i32) -> String {
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stringify!($i)
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// This value is calculated from the macro
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};
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// MAKELANGID(LANG_SYSTEM_DEFAULT, SUBLANG_SYS_DEFAULT)
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($start:ident, $($cont:ident),+) => {
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let langId = 0x0800 as c::DWORD;
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last_ident!($($cont),+)
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};
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let mut buf = [0 as c::WCHAR; 2048];
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}
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unsafe {
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macro_rules! os_call {
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let mut module = ptr::null_mut();
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($($path:ident)::+ ($($args:expr),*), $success:expr) => {
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let mut flags = 0;
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let result = unsafe{ $($path)::+ ($($args),+) };
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if result != $success {
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// NTSTATUS errors may be encoded as HRESULT, which may returned from
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let name = last_ident!($($path),+);
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// GetLastError. For more information about Windows error codes, see
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let err_code = $crate::win::errno();
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// `[MS-ERREF]`: https://msdn.microsoft.com/en-us/library/cc231198.aspx
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Err($crate::win::OsError{
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if (errnum & c::FACILITY_NT_BIT as i32) != 0 {
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function: name,
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// format according to https://support.microsoft.com/en-us/help/259693
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error_code: err_code as u32,
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const NTDLL_DLL: &[u16] = &[
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message: $crate::win::error_string(err_code)
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'N' as _, 'T' as _, 'D' as _, 'L' as _, 'L' as _, '.' as _, 'D' as _, 'L' as _,
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})?;
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'L' as _, 0,
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}
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];
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};
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module = c::GetModuleHandleW(NTDLL_DLL.as_ptr());
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}
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if module != ptr::null_mut() {
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#[derive(Debug)]
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errnum ^= c::FACILITY_NT_BIT as i32;
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pub struct OsError {
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flags = c::FORMAT_MESSAGE_FROM_HMODULE;
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pub function: &'static str,
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}
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pub error_code: u32,
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}
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pub message: String,
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}
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let res = c::FormatMessageW(
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flags | c::FORMAT_MESSAGE_FROM_SYSTEM | c::FORMAT_MESSAGE_IGNORE_INSERTS,
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impl fmt::Display for OsError {
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module,
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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errnum as c::DWORD,
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write!(f, "{:?}", self)
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langId,
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}
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buf.as_mut_ptr(),
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}
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buf.len() as c::DWORD,
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ptr::null(),
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impl error::Error for OsError {
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) as usize;
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fn source(&self) -> Option<&(dyn error::Error + 'static)> {
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if res == 0 {
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None
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// Sometimes FormatMessageW can fail e.g., system doesn't like langId,
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}
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let fm_err = errno();
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}
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return format!(
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"OS Error {} (FormatMessageW() returned error {})",
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pub fn errno() -> i32 {
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errnum, fm_err
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unsafe { c::GetLastError() as i32 }
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);
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}
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}
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/// Gets a detailed string description for the given error number.
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match String::from_utf16(&buf[..res]) {
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pub fn error_string(mut errnum: i32) -> String {
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Ok(mut msg) => {
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// This value is calculated from the macro
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// Trim trailing CRLF inserted by FormatMessageW
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// MAKELANGID(LANG_SYSTEM_DEFAULT, SUBLANG_SYS_DEFAULT)
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let len = msg.trim_end().len();
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let langId = 0x0800 as c::DWORD;
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msg.truncate(len);
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msg
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let mut buf = [0 as c::WCHAR; 2048];
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}
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Err(..) => format!(
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unsafe {
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"OS Error {} (FormatMessageW() returned \
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let mut module = ptr::null_mut();
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invalid UTF-16)",
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let mut flags = 0;
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errnum
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),
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// NTSTATUS errors may be encoded as HRESULT, which may returned from
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}
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// GetLastError. For more information about Windows error codes, see
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}
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// `[MS-ERREF]`: https://msdn.microsoft.com/en-us/library/cc231198.aspx
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}
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if (errnum & c::FACILITY_NT_BIT as i32) != 0 {
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// format according to https://support.microsoft.com/en-us/help/259693
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const NTDLL_DLL: &[u16] = &[
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'N' as _, 'T' as _, 'D' as _, 'L' as _, 'L' as _, '.' as _, 'D' as _, 'L' as _,
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'L' as _, 0,
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];
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module = c::GetModuleHandleW(NTDLL_DLL.as_ptr());
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if module != ptr::null_mut() {
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errnum ^= c::FACILITY_NT_BIT as i32;
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flags = c::FORMAT_MESSAGE_FROM_HMODULE;
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}
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}
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let res = c::FormatMessageW(
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flags | c::FORMAT_MESSAGE_FROM_SYSTEM | c::FORMAT_MESSAGE_IGNORE_INSERTS,
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module,
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errnum as c::DWORD,
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langId,
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buf.as_mut_ptr(),
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buf.len() as c::DWORD,
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ptr::null(),
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) as usize;
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if res == 0 {
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// Sometimes FormatMessageW can fail e.g., system doesn't like langId,
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let fm_err = errno();
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return format!(
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"OS Error {} (FormatMessageW() returned error {})",
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errnum, fm_err
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);
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}
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match String::from_utf16(&buf[..res]) {
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Ok(mut msg) => {
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// Trim trailing CRLF inserted by FormatMessageW
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let len = msg.trim_end().len();
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msg.truncate(len);
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msg
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}
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Err(..) => format!(
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"OS Error {} (FormatMessageW() returned \
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invalid UTF-16)",
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errnum
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),
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}
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}
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}
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