build: add back clang

.github/workflows/build.yml

@@ -27,6 +27,7 @@ jobs:
           - release
         compiler:
           - msvc
+          - clang
     steps:
       - name: Check out files
         uses: actions/checkout@main

src/client/component/console.cpp

@@ -2,7 +2,6 @@
 #include "loader/component_loader.hpp"
 
 #include <utils/hook.hpp>
-#include <utils/thread.hpp>
 #include <utils/flags.hpp>
 #include <utils/concurrency.hpp>
 
@@ -37,8 +36,7 @@ public:
   void post_start() override {
     this->terminate_runner_ = false;
 
-    this->console_runner_ = utils::thread::create_named_thread(
-        "Console IO", [this] { this->runner(); });
+    this->console_runner_ = std::thread([this] { this->runner(); });
   }
 
   void post_unpack() override {
@@ -77,8 +75,7 @@ private:
   int handles_[2]{};
 
   void initialize() {
-    this->console_thread_ =
-        utils::thread::create_named_thread("Console", [this] {
+    this->console_thread_ = std::thread([this] {
       if (!utils::flags::has_flag("noconsole")) {
         game::Sys_ShowConsole();
       }

src/client/component/scheduler.cpp

@@ -3,7 +3,6 @@
 
 #include <utils/concurrency.hpp>
 #include <utils/hook.hpp>
-#include <utils/thread.hpp>
 
 #include "scheduler.hpp"
 
@@ -135,7 +134,7 @@ unsigned int thread_id;
 class component final : public component_interface {
 public:
   void post_unpack() override {
-    thread = utils::thread::create_named_thread("Async Scheduler", [] {
+    thread = std::thread([] {
       while (!kill) {
         execute(pipeline::async);
         std::this_thread::sleep_for(10ms);

src/client/dllmain.cpp

@@ -2,6 +2,19 @@
 #include "loader/component_loader.hpp"
 
 namespace {
+std::string get_current_date() {
+  auto now = std::chrono::system_clock::now();
+  auto current_time = std::chrono::system_clock::to_time_t(now);
+  std::tm local_time{};
+
+  (void)localtime_s(&local_time, &current_time);
+
+  std::stringstream ss;
+  ss << std::put_time(&local_time, "%Y%m%d_%H%M%S");
+
+  return ss.str();
+}
+
 LONG WINAPI exception_handler(PEXCEPTION_POINTERS exception_info) {
   if (exception_info->ExceptionRecord->ExceptionCode == 0x406D1388) {
     return EXCEPTION_CONTINUE_EXECUTION;
@@ -21,8 +34,8 @@ LONG WINAPI exception_handler(PEXCEPTION_POINTERS exception_info) {
                     | MiniDumpWithFullMemoryInfo     //
                     | MiniDumpWithThreadInfo;
 
-  const auto file_name = std::format("minidumps\\mw3-server-freezer_{}.dmp",
-                                     game::Sys_Milliseconds());
+  const auto file_name =
+      std::format("minidumps\\mw3-server-freezer_{}.dmp", get_current_date());
   const auto file_handle = CreateFileA(
       file_name.data(), GENERIC_WRITE | GENERIC_READ,
       FILE_SHARE_READ | FILE_SHARE_WRITE, nullptr, CREATE_ALWAYS,

src/client/std_include.hpp

@@ -10,13 +10,16 @@
 
 #include <DbgHelp.h>
 
-#include <algorithm>
 #include <cassert>
 #include <cctype>
 #include <cstring>
+
+#include <algorithm>
+#include <chrono>
+#include <iomanip>
+#include <iostream>
 #include <format>
 #include <functional>
-#include <iostream>
 #include <mutex>
 #include <queue>
 #include <source_location>

src/common/utils/hook.cpp

@@ -103,24 +103,6 @@ void hook::quick() {
   }
 }
 
-bool hook::iat(const nt::library module, const std::string& target_module,
-               const std::string& process, void* stub) {
-  if (!module.is_valid())
-    return false;
-
-  auto ptr = module.get_iat_entry(target_module, process);
-  if (!ptr)
-    return false;
-
-  DWORD protect;
-  VirtualProtect(ptr, sizeof(*ptr), PAGE_EXECUTE_READWRITE, &protect);
-
-  *ptr = stub;
-
-  VirtualProtect(ptr, sizeof(*ptr), protect, &protect);
-  return true;
-}
-
 hook* hook::uninstall(const bool unprotect) {
   std::lock_guard _(this->state_mutex_);
 

src/common/utils/hook.hpp

@@ -75,9 +75,6 @@ public:
   void* get_original() const;
   void quick();
 
-  static bool iat(nt::library module, const std::string& target_module,
-                  const std::string& process, void* stub);
-
   static void nop(void* place, size_t length);
   static void nop(DWORD place, size_t length);
 

src/common/utils/nt.cpp

@@ -135,62 +135,6 @@ void library::free() {
 
 HMODULE library::get_handle() const { return this->module_; }
 
-void** library::get_iat_entry(const std::string& module_name,
-                              const std::string& proc_name) const {
-  if (!this->is_valid())
-    return nullptr;
-
-  const library other_module(module_name);
-  if (!other_module.is_valid())
-    return nullptr;
-
-  auto* const target_function = other_module.get_proc<void*>(proc_name);
-  if (!target_function)
-    return nullptr;
-
-  auto* header = this->get_optional_header();
-  if (!header)
-    return nullptr;
-
-  auto* import_descriptor = reinterpret_cast<PIMAGE_IMPORT_DESCRIPTOR>(
-      this->get_ptr() +
-      header->DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress);
-
-  while (import_descriptor->Name) {
-    if (!_stricmp(
-            reinterpret_cast<char*>(this->get_ptr() + import_descriptor->Name),
-            module_name.data())) {
-      auto* original_thunk_data = reinterpret_cast<PIMAGE_THUNK_DATA>(
-          import_descriptor->OriginalFirstThunk + this->get_ptr());
-      auto* thunk_data = reinterpret_cast<PIMAGE_THUNK_DATA>(
-          import_descriptor->FirstThunk + this->get_ptr());
-
-      while (original_thunk_data->u1.AddressOfData) {
-        const size_t ordinal_number =
-            original_thunk_data->u1.AddressOfData & 0xFFFFFFF;
-
-        if (ordinal_number > 0xFFFF)
-          continue;
-
-        if (GetProcAddress(other_module.module_,
-                           reinterpret_cast<char*>(ordinal_number)) ==
-            target_function) {
-          return reinterpret_cast<void**>(&thunk_data->u1.Function);
-        }
-
-        ++original_thunk_data;
-        ++thunk_data;
-      }
-
-      // break;
-    }
-
-    ++import_descriptor;
-  }
-
-  return nullptr;
-}
-
 std::string load_resource(const int id) {
   auto* const res = FindResource(library(), MAKEINTRESOURCE(id), RT_RCDATA);
   if (!res)

src/common/utils/nt.hpp

@@ -48,27 +48,12 @@ public:
 
   HMODULE get_handle() const;
 
-  template <typename T> T get_proc(const std::string& process) const {
-    if (!this->is_valid())
-      return T{};
-    return reinterpret_cast<T>(GetProcAddress(this->module_, process.data()));
-  }
-
-  template <typename T> std::function<T> get(const std::string& process) const {
-    if (!this->is_valid())
-      return std::function<T>();
-    return reinterpret_cast<T*>(this->get_proc<void*>(process));
-  }
-
   std::vector<PIMAGE_SECTION_HEADER> get_section_headers() const;
 
   PIMAGE_NT_HEADERS get_nt_headers() const;
   PIMAGE_DOS_HEADER get_dos_header() const;
   PIMAGE_OPTIONAL_HEADER get_optional_header() const;
 
-  void** get_iat_entry(const std::string& module_name,
-                       const std::string& proc_name) const;
-
 private:
   HMODULE module_;
 };

src/common/utils/thread.cpp

@@ -1,105 +0,0 @@
-#include <thread>
-#include "nt.hpp"
-#include "string.hpp"
-
-#include "thread.hpp"
-
-#include <TlHelp32.h>
-
-#include <gsl/gsl>
-
-namespace utils::thread {
-bool set_name(const HANDLE t, const std::string& name) {
-  const nt::library kernel32("kernel32.dll");
-  if (!kernel32) {
-    return false;
-  }
-
-  const auto set_description =
-      kernel32.get_proc<HRESULT(WINAPI*)(HANDLE, PCWSTR)>(
-          "SetThreadDescription");
-  if (!set_description) {
-    return false;
-  }
-
-  return SUCCEEDED(set_description(t, string::convert(name).data()));
-}
-
-bool set_name(const DWORD id, const std::string& name) {
-  auto* const t = OpenThread(THREAD_SET_LIMITED_INFORMATION, FALSE, id);
-  if (!t)
-    return false;
-
-  const auto _ = gsl::finally([t]() { CloseHandle(t); });
-
-  return set_name(t, name);
-}
-
-bool set_name(std::thread& t, const std::string& name) {
-  return set_name(t.native_handle(), name);
-}
-
-bool set_name(const std::string& name) {
-  return set_name(GetCurrentThread(), name);
-}
-
-std::vector<DWORD> get_thread_ids() {
-  auto* const h =
-      CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, GetCurrentProcessId());
-  if (h == INVALID_HANDLE_VALUE) {
-    return {};
-  }
-
-  const auto _ = gsl::finally([h]() { CloseHandle(h); });
-
-  THREADENTRY32 entry{};
-  entry.dwSize = sizeof(entry);
-  if (!Thread32First(h, &entry)) {
-    return {};
-  }
-
-  std::vector<DWORD> ids;
-
-  do {
-    const auto check_size =
-        entry.dwSize < FIELD_OFFSET(THREADENTRY32, th32OwnerProcessID) +
-                           sizeof(entry.th32OwnerProcessID);
-    entry.dwSize = sizeof(entry);
-
-    if (check_size && entry.th32OwnerProcessID == GetCurrentProcessId()) {
-      ids.emplace_back(entry.th32ThreadID);
-    }
-  } while (Thread32Next(h, &entry));
-
-  return ids;
-}
-
-void for_each_thread(const std::function<void(HANDLE)>& callback) {
-  const auto ids = get_thread_ids();
-
-  for (const auto& id : ids) {
-    auto* const thread = OpenThread(THREAD_ALL_ACCESS, FALSE, id);
-    if (thread != nullptr) {
-      const auto _ = gsl::finally([thread]() { CloseHandle(thread); });
-
-      callback(thread);
-    }
-  }
-}
-
-void suspend_other_threads() {
-  for_each_thread([](const HANDLE thread) {
-    if (GetThreadId(thread) != GetCurrentThreadId()) {
-      SuspendThread(thread);
-    }
-  });
-}
-
-void resume_other_threads() {
-  for_each_thread([](const HANDLE thread) {
-    if (GetThreadId(thread) != GetCurrentThreadId()) {
-      ResumeThread(thread);
-    }
-  });
-}
-} // namespace utils::thread

src/common/utils/thread.hpp

@@ -1,21 +0,0 @@
-#pragma once
-
-namespace utils::thread {
-bool set_name(HANDLE t, const std::string& name);
-bool set_name(DWORD id, const std::string& name);
-bool set_name(std::thread& t, const std::string& name);
-bool set_name(const std::string& name);
-
-template <typename... Args>
-std::thread create_named_thread(const std::string& name, Args&&... args) {
-  auto t = std::thread(std::forward<Args>(args)...);
-  set_name(t, name);
-  return t;
-}
-
-std::vector<DWORD> get_thread_ids();
-void for_each_thread(const std::function<void(HANDLE)>& callback);
-
-void suspend_other_threads();
-void resume_other_threads();
-} // namespace utils::thread