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6arelyFuture 2022-03-08 21:41:21 +00:00
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11
.clang-format Normal file
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@ -0,0 +1,11 @@
---
Language: Cpp
BasedOnStyle: LLVM
DerivePointerAlignment: false
PointerAlignment: Left
SortIncludes: false
# Regroup causes unnecessary noise due to clang-format bug.
IncludeBlocks: Preserve
---

55
.github/workflows/build.yml vendored Normal file
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@ -0,0 +1,55 @@
name: Build
on:
push:
branches:
- "*"
pull_request:
branches:
- "*"
types: [opened, synchronize, reopened]
jobs:
build:
name: Build binaries
runs-on: windows-2022
strategy:
matrix:
configuration:
- Debug
- Release
steps:
- name: Wait for previous workflows
if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/develop')
uses: softprops/turnstyle@v1
with:
poll-interval-seconds: 10
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- name: Check out files
uses: actions/checkout@v2
with:
submodules: true
fetch-depth: 0
# NOTE - If LFS ever starts getting used during builds, switch this to true!
lfs: false
- name: Add msbuild to PATH
uses: microsoft/setup-msbuild@v1.1.1
- name: Generate project files
run: tools/premake5 vs2022
- name: Set up problem matching
uses: ammaraskar/msvc-problem-matcher@master
- name: Build ${{matrix.configuration}} binaries
run: msbuild /m /v:minimal /p:Configuration=${{matrix.configuration}} /p:Platform=x86 build/black-ops-plugin.sln
- name: Upload ${{matrix.configuration}} binaries
uses: actions/upload-artifact@v2
with:
name: ${{matrix.configuration}} binaries
path: |
build/bin/x86/${{matrix.configuration}}/black-ops-plugin.dll
build/bin/x86/${{matrix.configuration}}/black-ops-plugin.pdb

2
README.md
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@ -11,5 +11,5 @@ This software has been created purely for the purposes of academic research. It
## Compile from source
- Clone the Git repo. Do NOT download it as ZIP, that won't work.
- Update the submodules and run `premake5 vs2019` or simply use the delivered `generate.bat`.
- Update the submodules and run `premake5 vs2022` or simply use the delivered `generate.bat`.
- Build via solution file found inside the build folder.

2
generate.bat
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@ -1,4 +1,4 @@
@echo off
echo Updating submodules...
call git submodule update --init --recursive
tools\premake5 %* vs2019
tools\premake5 %* vs2022

66
src/component/ban.cpp
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@ -3,41 +3,43 @@
#include "loader/component_loader.hpp"
#include "utils/hook.hpp"
namespace ban
{
namespace
{
const game::dvar_t* sv_discord = nullptr;
const game::dvar_t* sv_clanWebsite = nullptr;
namespace ban {
namespace {
const game::dvar_t* sv_discord = nullptr;
const game::dvar_t* sv_clanWebsite = nullptr;
bool out_of_band_print_hk(game::netsrc_t src, game::netadr_s to, const char* msg)
{
// Proof of concept patch. Please ignore
if (msg != "error\nPATCH_BANNED_FROM_SERVER"s)
{
return game::NET_OutOfBandPrint(src, to, msg);
}
bool out_of_band_print_hk(game::netsrc_t src, game::netadr_s to,
const char* msg) {
// Proof of concept patch. Please ignore
if (msg != "error\nPATCH_BANNED_FROM_SERVER"s) {
return game::NET_OutOfBandPrint(src, to, msg);
}
const auto errorMsg = std::format("error\nPermanently banned\nDiscord: {}\nWebsite: {}",
sv_discord->current.string, sv_clanWebsite->current.string);
const auto errorMsg =
std::format("error\nPermanently banned\nDiscord: {}\nWebsite: {}",
sv_discord->current.string, sv_clanWebsite->current.string);
return game::NET_OutOfBandPrint(src, to, errorMsg.data());
}
}
class component final : public component_interface
{
public:
void post_unpack() override
{
if (game::current == game::gamemode::zombies) return;
sv_discord = game::Dvar_RegisterString("sv_discord", "https://www.discord.gg/", game::DVAR_FLAG_SAVED, "Discord invitation link");
sv_clanWebsite = game::Dvar_RegisterString("sv_clanWebsite", "https://www.google.com/", game::DVAR_FLAG_SAVED, "Website link");
utils::hook::call(0x48B7E2, out_of_band_print_hk);
}
};
return game::NET_OutOfBandPrint(src, to, errorMsg.data());
}
} // namespace
class component final : public component_interface {
public:
void post_unpack() override {
if (game::current == game::gamemode::zombies)
return;
sv_discord = game::Dvar_RegisterString(
"sv_discord", "https://www.discord.gg/", game::DVAR_ARCHIVE,
"Discord invitation link");
sv_clanWebsite =
game::Dvar_RegisterString("sv_clanWebsite", "https://www.google.com/",
game::DVAR_ARCHIVE, "Website link");
utils::hook::call(0x48B7E2, out_of_band_print_hk);
}
};
} // namespace ban
REGISTER_COMPONENT(ban::component)

166
src/component/bots.cpp
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@ -5,97 +5,93 @@
#include "utils/hook.hpp"
#include "utils/io.hpp"
namespace bots
{
namespace
{
typedef std::pair<std::string, std::string> bot_entry;
namespace bots {
namespace {
typedef std::pair<std::string, std::string> bot_entry;
std::vector<bot_entry> bot_names;
utils::hook::detour sv_bot_name_random_hook;
std::vector<bot_entry> bot_names;
utils::hook::detour sv_bot_name_random_hook;
// Json file is expected to contain a key for the bot's name. Value should be a string for the clantag
void load_bot_data()
{
const auto path = game::Dvar_FindVar("fs_homepath")->current.string;
std::filesystem::current_path(path);
// Json file is expected to contain a key for the bot's name. Value should be a
// string for the clantag
void load_bot_data() {
const auto path = game::Dvar_FindVar("fs_homepath")->current.string;
std::filesystem::current_path(path);
if (!utils::io::file_exists("bots/bots.json"))
{
game::Com_Printf(game::CON_CHANNEL_SERVER, "bots.json was not found\n");
return;
}
if (!utils::io::file_exists("bots/bots.json")) {
game::Com_Printf(game::CON_CHANNEL_SERVER, "bots.json was not found\n");
return;
}
rapidjson::Document obj;
rapidjson::ParseResult result = obj.Parse(utils::io::read_file("bots/bots.json").data());
rapidjson::Document obj;
rapidjson::ParseResult result =
obj.Parse(utils::io::read_file("bots/bots.json").data());
if (!result || !obj.IsObject())
{
game::Com_Printf(game::CON_CHANNEL_SERVER, "Failed to parse ban file. Empty?\n");
return;
}
if (!result || !obj.IsObject()) {
game::Com_Printf(game::CON_CHANNEL_SERVER,
"Failed to parse ban file. Empty?\n");
return;
}
for (rapidjson::Value::ConstMemberIterator itr = obj.MemberBegin();
itr != obj.MemberEnd(); ++itr)
{
if (itr->value.GetType() == rapidjson::Type::kStringType)
{
bot_names.emplace_back(std::make_pair(itr->name.GetString(), itr->value.GetString()));
}
}
}
const char* sv_bot_name_random_stub()
{
if (bot_names.empty())
{
load_bot_data();
}
static auto bot_id = 0;
if (!bot_names.empty())
{
bot_id %= bot_names.size();
const auto& entry = bot_names.at(bot_id++);
return entry.first.data();
}
return sv_bot_name_random_hook.invoke<const char*>();
}
int build_connect_string(char* buf, const char* connect_string, const char* name, const char* xuid,
int protocol, int port)
{
// Default
auto clan_tag = "3arc"s;
for (const auto& entry : bot_names)
{
if (entry.first == name)
{
clan_tag = entry.second;
break;
}
}
return _snprintf_s(buf, 0x400, _TRUNCATE, connect_string, name,
clan_tag.data(), xuid, protocol, port);
}
}
class component final : public component_interface
{
public:
void post_unpack() override
{
if (game::current == game::gamemode::zombies) return;
utils::hook::set<const char*>(0x6B6294, "connect \"\\cg_predictItems\\1\\cl_punkbuster\\0\\cl_anonymous\\0\\color\\4\\head\\"
"default\\model\\multi\\snaps\\20\\rate\\5000\\name\\%s\\clanAbbrev\\%s\\bdOnlineUserID\\%s\\protocol\\%d\\qport\\%d\"");
sv_bot_name_random_hook.create(0x49ED80, &sv_bot_name_random_stub);
utils::hook::call(0x6B6299, build_connect_string);
}
};
for (rapidjson::Value::ConstMemberIterator itr = obj.MemberBegin();
itr != obj.MemberEnd(); ++itr) {
if (itr->value.GetType() == rapidjson::Type::kStringType) {
bot_names.emplace_back(
std::make_pair(itr->name.GetString(), itr->value.GetString()));
}
}
}
const char* sv_bot_name_random_stub() {
if (bot_names.empty()) {
load_bot_data();
}
static auto bot_id = 0;
if (!bot_names.empty()) {
bot_id %= bot_names.size();
const auto& entry = bot_names.at(bot_id++);
return entry.first.data();
}
return sv_bot_name_random_hook.invoke<const char*>();
}
int build_connect_string(char* buf, const char* connect_string,
const char* name, const char* xuid, int protocol,
int port) {
// Default
auto clan_tag = "3arc"s;
for (const auto& entry : bot_names) {
if (entry.first == name) {
clan_tag = entry.second;
break;
}
}
return _snprintf_s(buf, 0x400, _TRUNCATE, connect_string, name,
clan_tag.data(), xuid, protocol, port);
}
} // namespace
class component final : public component_interface {
public:
void post_unpack() override {
if (game::current == game::gamemode::zombies)
return;
utils::hook::set<const char*>(
0x6B6294,
"connect "
"\"\\cg_predictItems\\1\\cl_punkbuster\\0\\cl_"
"anonymous\\0\\color\\4\\head\\"
"default\\model\\multi\\snaps\\20\\rate\\5000\\name\\%s\\clanAbbrev\\%"
"s\\bdOnlineUserID\\%s\\protocol\\%d\\qport\\%d\"");
sv_bot_name_random_hook.create(0x49ED80, &sv_bot_name_random_stub);
utils::hook::call(0x6B6299, build_connect_string);
}
};
} // namespace bots
REGISTER_COMPONENT(bots::component)

254
src/component/chat.cpp
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@ -6,142 +6,128 @@
#include "command.hpp"
namespace chat
{
namespace
{
std::mutex chat_mutex;
std::unordered_set<std::uint64_t> mute_list{};
namespace chat {
namespace {
std::mutex chat_mutex;
std::unordered_set<std::uint64_t> mute_list{};
void mute_player(const game::client_s* cl)
{
std::unique_lock<std::mutex> _(chat_mutex);
if (mute_list.contains(cl->xuid))
{
game::SV_GameSendServerCommand(-1, game::SV_CMD_CAN_IGNORE,
utils::string::va("%c \"%s is already muted\"", 0x65, cl->name));
return;
}
void mute_player(const game::client_s* cl) {
std::unique_lock<std::mutex> _(chat_mutex);
if (mute_list.contains(cl->xuid)) {
game::SV_GameSendServerCommand(
-1, game::SV_CMD_CAN_IGNORE,
utils::string::va("%c \"%s is already muted\"", 0x65, cl->name));
return;
}
mute_list.insert(cl->xuid);
}
void unmute_player(const game::client_s* cl)
{
std::unique_lock<std::mutex> _(chat_mutex);
mute_list.erase(cl->xuid);
game::SV_GameSendServerCommand(cl->gentity->entnum, game::SV_CMD_CAN_IGNORE,
utils::string::va("%c \"You were unmuted\"", 0x65));
}
void client_command(int clientNumber)
{
char buf[1024] = {0};
if (game::g_entities[clientNumber].client == nullptr)
{
// Not in game
return;
}
game::SV_Cmd_ArgvBuffer(0, buf, sizeof(buf));
std::unique_lock<std::mutex> _(chat_mutex);
if (utils::string::starts_with(buf, "say") &&
mute_list.contains(game::svs_clients[clientNumber].xuid))
{
game::SV_GameSendServerCommand(clientNumber, game::SV_CMD_CAN_IGNORE,
utils::string::va("%c \"You are muted\"", 0x65));
return;
}
game::ClientCommand(clientNumber);
}
}
class component final : public component_interface
{
public:
void post_unpack() override
{
utils::hook::call(SELECT(0x58DA1C, 0x4FB3BD), client_command);
add_chat_commands();
}
private:
static void add_chat_commands()
{
command::add("sayAs", [](const command::params& params)
{
if (params.size() < 3)
{
game::Com_Printf(game::CON_CHANNEL_DONT_FILTER,
"Usage: sayAs <client number> <message>\n");
return;
}
const auto* client = game::SV_GetPlayerByNum();
if (client == nullptr)
return;
auto* gentity = client->gentity;
assert(gentity != nullptr);
if (gentity->client == nullptr)
return;
const auto message = params.join(2);
game::G_Say(gentity, nullptr, 0, message.data());
});
command::add("mutePlayer", [](const command::params& params)
{
if (params.size() < 2)
{
game::Com_Printf(game::CON_CHANNEL_DONT_FILTER,
"Usage: mutePlayer <client number>\n");
return;
}
const auto* client = game::SV_GetPlayerByNum();
if (client == nullptr)
return;
assert(client->gentity != nullptr);
if (client->gentity->client == nullptr)
return;
mute_player(client);
});
command::add("unmutePlayer", [](const command::params& params)
{
if (params.size() < 2)
{
game::Com_Printf(game::CON_CHANNEL_DONT_FILTER,
"Usage: unmutePlayer <client number>\n");
return;
}
const auto* client = game::SV_GetPlayerByNum();
if (client == nullptr)
return;
assert(client->gentity != nullptr);
if (client->gentity->client == nullptr)
return;
unmute_player(client);
});
}
};
mute_list.insert(cl->xuid);
}
void unmute_player(const game::client_s* cl) {
std::unique_lock<std::mutex> _(chat_mutex);
mute_list.erase(cl->xuid);
game::SV_GameSendServerCommand(
cl->gentity->entnum, game::SV_CMD_CAN_IGNORE,
utils::string::va("%c \"You were unmuted\"", 0x65));
}
void client_command(int clientNumber) {
char buf[1024] = {0};
if (game::g_entities[clientNumber].client == nullptr) {
// Not in game
return;
}
game::SV_Cmd_ArgvBuffer(0, buf, sizeof(buf));
std::unique_lock<std::mutex> _(chat_mutex);
if (utils::string::starts_with(buf, "say") &&
mute_list.contains(game::svs_clients[clientNumber].xuid)) {
game::SV_GameSendServerCommand(
clientNumber, game::SV_CMD_CAN_IGNORE,
utils::string::va("%c \"You are muted\"", 0x65));
return;
}
game::ClientCommand(clientNumber);
}
} // namespace
class component final : public component_interface {
public:
void post_unpack() override {
utils::hook::call(SELECT(0x58DA1C, 0x4FB3BD), client_command);
add_chat_commands();
}
private:
static void add_chat_commands() {
command::add("sayAs", [](const command::params& params) {
if (params.size() < 3) {
game::Com_Printf(game::CON_CHANNEL_DONT_FILTER,
"Usage: sayAs <client number> <message>\n");
return;
}
const auto* client = game::SV_GetPlayerByNum();
if (client == nullptr)
return;
auto* gentity = client->gentity;
assert(gentity != nullptr);
if (gentity->client == nullptr)
return;
const auto message = params.join(2);
game::G_Say(gentity, nullptr, 0, message.data());
});
command::add("mutePlayer", [](const command::params& params) {
if (params.size() < 2) {
game::Com_Printf(game::CON_CHANNEL_DONT_FILTER,
"Usage: mutePlayer <client number>\n");
return;
}
const auto* client = game::SV_GetPlayerByNum();
if (client == nullptr)
return;
assert(client->gentity != nullptr);
if (client->gentity->client == nullptr)
return;
mute_player(client);
});
command::add("unmutePlayer", [](const command::params& params) {
if (params.size() < 2) {
game::Com_Printf(game::CON_CHANNEL_DONT_FILTER,
"Usage: unmutePlayer <client number>\n");
return;
}
const auto* client = game::SV_GetPlayerByNum();
if (client == nullptr)
return;
assert(client->gentity != nullptr);
if (client->gentity->client == nullptr)
return;
unmute_player(client);
});
}
};
} // namespace chat
REGISTER_COMPONENT(chat::component)

213
src/component/command.cpp
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@ -9,129 +9,100 @@
constexpr auto CMD_MAX_NESTING = 8;
namespace command
{
std::unordered_map<std::string, std::function<void(params&)>> handlers;
namespace command {
std::unordered_map<std::string, std::function<void(params&)>> handlers;
void main_handler()
{
params params = {};
void main_handler() {
params params = {};
const auto command = utils::string::to_lower(params[0]);
if (handlers.find(command) != handlers.end())
{
handlers[command](params);
}
}
params::params()
: nesting_(game::sv_cmd_args->nesting)
{
assert(game::sv_cmd_args->nesting < CMD_MAX_NESTING);
}
int params::size() const
{
return game::sv_cmd_args->argc[this->nesting_];
}
const char* params::get(const int index) const
{
if (index >= this->size())
{
return "";
}
return game::sv_cmd_args->argv[this->nesting_][index];
}
std::string params::join(const int index) const
{
std::string result = {};
for (auto i = index; i < this->size(); i++)
{
if (i > index) result.append(" ");
result.append(this->get(i));
}
return result;
}
void add_raw(const char* name, void (*callback)())
{
game::Cmd_AddCommandInternal(name, callback, utils::memory::get_allocator()->allocate<game::cmd_function_t>());
}
void add(const char* name, const std::function<void(const params&)>& callback)
{
const auto command = utils::string::to_lower(name);
if (handlers.find(command) == handlers.end())
{
add_raw(name, main_handler);
}
handlers[command] = callback;
}
std::vector<std::string> script_commands;
utils::memory::allocator allocator;
void add_script_command(const std::string& name, const std::function<void(const params&)>& callback)
{
script_commands.push_back(name);
const auto _name = allocator.duplicate_string(name);
add(_name, callback);
}
void clear_script_commands()
{
for (const auto& name : script_commands)
{
handlers.erase(name);
game::Cmd_RemoveCommand(name.data());
}
allocator.clear();
script_commands.clear();
}
void execute(std::string command, const bool sync)
{
command += "\n";
if (sync)
{
game::Cmd_ExecuteSingleCommand(game::LOCAL_CLIENT_0, 0, command.data());
}
else
{
game::Cbuf_AddText(game::LOCAL_CLIENT_0, command.data());
}
}
class component final : public component_interface
{
public:
void post_unpack() override
{
add_commands_generic();
}
void pre_destroy() override
{
clear_script_commands();
}
private:
static void add_commands_generic()
{
add("properQuit", [](const params&)
{
utils::nt::raise_hard_exception();
});
}
};
const auto command = utils::string::to_lower(params[0]);
if (handlers.find(command) != handlers.end()) {
handlers[command](params);
}
}
params::params() : nesting_(game::sv_cmd_args->nesting) {
assert(game::sv_cmd_args->nesting < CMD_MAX_NESTING);
}
int params::size() const { return game::sv_cmd_args->argc[this->nesting_]; }
const char* params::get(const int index) const {
if (index >= this->size()) {
return "";
}
return game::sv_cmd_args->argv[this->nesting_][index];
}
std::string params::join(const int index) const {
std::string result = {};
for (auto i = index; i < this->size(); i++) {
if (i > index)
result.append(" ");
result.append(this->get(i));
}
return result;
}
void add_raw(const char* name, void (*callback)()) {
game::Cmd_AddCommandInternal(
name, callback,
utils::memory::get_allocator()->allocate<game::cmd_function_t>());
}
void add(const char* name, const std::function<void(const params&)>& callback) {
const auto command = utils::string::to_lower(name);
if (handlers.find(command) == handlers.end()) {
add_raw(name, main_handler);
}
handlers[command] = callback;
}
std::vector<std::string> script_commands;
utils::memory::allocator allocator;
void add_script_command(const std::string& name,
const std::function<void(const params&)>& callback) {
script_commands.push_back(name);
const auto _name = allocator.duplicate_string(name);
add(_name, callback);
}
void clear_script_commands() {
for (const auto& name : script_commands) {
handlers.erase(name);
game::Cmd_RemoveCommand(name.data());
}
allocator.clear();
script_commands.clear();
}
void execute(std::string command, const bool sync) {
command += "\n";
if (sync) {
game::Cmd_ExecuteSingleCommand(game::LOCAL_CLIENT_0, 0, command.data());
} else {
game::Cbuf_AddText(game::LOCAL_CLIENT_0, command.data());
}
}
class component final : public component_interface {
public:
void post_unpack() override { add_commands_generic(); }
void pre_destroy() override { clear_script_commands(); }
private:
static void add_commands_generic() {
add("properQuit", [](const params&) { utils::nt::raise_hard_exception(); });
}
};
} // namespace command
REGISTER_COMPONENT(command::component)

40
src/component/command.hpp
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@ -1,30 +1,26 @@
#pragma once
namespace command
{
class params
{
public:
params();
namespace command {
class params {
public:
params();
int size() const;
const char* get(int index) const;
std::string join(int index) const;
int size() const;
const char* get(int index) const;
std::string join(int index) const;
const char* operator[](const int index) const
{
return this->get(index);
}
const char* operator[](const int index) const { return this->get(index); }
private:
int nesting_;
};
private:
int nesting_;
};
void add_raw(const char* name, void (*callback)());
void add(const char* name, const std::function<void(const params&)>& callback);
void add_raw(const char* name, void (*callback)());
void add(const char* name, const std::function<void(const params&)>& callback);
void add_script_command(const std::string& name, const std::function<void(const params&)>& callback);
void clear_script_commands();
void add_script_command(const std::string& name,
const std::function<void(const params&)>& callback);
void clear_script_commands();
void execute(std::string command, bool sync = false);
}
void execute(std::string command, bool sync = false);
} // namespace command

45
src/component/gameplay.cpp
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@ -3,32 +3,29 @@
#include "loader/component_loader.hpp"
#include "utils/hook.hpp"
namespace gameplay
{
namespace
{
const game::dvar_s* player_meleeRange = nullptr;
utils::hook::detour fire_weapon_melee_hook;
namespace gameplay {
namespace {
const game::dvar_s* player_meleeRange = nullptr;
utils::hook::detour fire_weapon_melee_hook;
void fire_weapon_melee_stub(game::gentity_s* ent, int time)
{
if (player_meleeRange->current.value == 0.0f)
return;
void fire_weapon_melee_stub(game::gentity_s* ent, int time) {
if (player_meleeRange->current.value == 0.0f)
return;
fire_weapon_melee_hook.invoke<void>(ent, time);
}
}
class component final : public component_interface
{
public:
void post_unpack() override
{
player_meleeRange = *reinterpret_cast<game::dvar_s**>(SELECT(0xC51990, 0xBCAFE4));
fire_weapon_melee_hook.create(SELECT(0x401E00, 0x465E40), &fire_weapon_melee_stub);
}
};
fire_weapon_melee_hook.invoke<void>(ent, time);
}
} // namespace
class component final : public component_interface {
public:
void post_unpack() override {
player_meleeRange =
*reinterpret_cast<game::dvar_s**>(SELECT(0xC51990, 0xBCAFE4));
fire_weapon_melee_hook.create(SELECT(0x401E00, 0x465E40),
&fire_weapon_melee_stub);
}
};
} // namespace gameplay
REGISTER_COMPONENT(gameplay::component)

26
src/game/game.cpp
View File

@ -1,21 +1,13 @@
#include <stdinc.hpp>
namespace game
{
gamemode current = reinterpret_cast<const char*>(0xA6840C) == "multiplayer"s
? gamemode::multiplayer
: gamemode::zombies;
namespace game {
gamemode current = reinterpret_cast<const char*>(0xA6840C) == "multiplayer"s
? gamemode::multiplayer
: gamemode::zombies;
namespace environment
{
bool t5mp()
{
return current == gamemode::multiplayer;
}
namespace environment {
bool t5mp() { return current == gamemode::multiplayer; }
bool t5zm()
{
return current == gamemode::zombies;
}
}
}
bool t5zm() { return current == gamemode::zombies; }
} // namespace environment
} // namespace game

68
src/game/game.hpp
View File

@ -2,58 +2,38 @@
#define SELECT(mp, zm) (game::environment::t5mp() ? mp : zm)
namespace game
{
enum gamemode
{
none,
multiplayer,
zombies
};
namespace game {
enum gamemode { none, multiplayer, zombies };
extern gamemode current;
extern gamemode current;
namespace environment
{
bool t5mp();
bool t5zm();
}
namespace environment {
bool t5mp();
bool t5zm();
} // namespace environment
template <typename T>
class symbol
{
public:
symbol(const size_t t5mp, const size_t t5zm)
: t5mp_(reinterpret_cast<T*>(t5mp))
, t5zm_(reinterpret_cast<T*>(t5zm))
{
}
template <typename T> class symbol {
public:
symbol(const size_t t5mp, const size_t t5zm)
: t5mp_(reinterpret_cast<T*>(t5mp)), t5zm_(reinterpret_cast<T*>(t5zm)) {}
T* get() const
{
if (environment::t5mp())
{
return t5mp_;
}
T* get() const {
if (environment::t5mp()) {
return t5mp_;
}
return t5zm_;
}
return t5zm_;
}
operator T* () const
{
return this->get();
}
operator T*() const { return this->get(); }
T* operator->() const
{
return this->get();
}
T* operator->() const { return this->get(); }
private:
T* t5mp_;
T* t5zm_;
};
private:
T* t5mp_;
T* t5zm_;
};
}
} // namespace game
#include "symbols.hpp"

971
src/game/structs.hpp
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File diff suppressed because it is too large Load Diff

109
src/game/symbols.hpp
View File

@ -2,59 +2,76 @@
#define WEAK __declspec(selectany)
namespace game
{
WEAK symbol<void(errorParm_t, const char*, ...)> Com_Error{0x627380, 0x651D90};
WEAK symbol<void(conChannel_t, const char*, ...)> Com_Printf{0x4126C0, 0x43BF30};
WEAK symbol<void(conChannel_t, const char*, ...)> Com_DPrintf{0x4E3FA0, 0x60F7F0};
WEAK symbol<void(conChannel_t, const char*, ...)> Com_PrintError{0x568B90, 0x5DFC40};
namespace game {
WEAK symbol<void(errorParm_t, const char*, ...)> Com_Error{0x627380, 0x651D90};
WEAK symbol<void(conChannel_t, const char*, ...)> Com_Printf{0x4126C0,
0x43BF30};
WEAK symbol<void(conChannel_t, const char*, ...)> Com_DPrintf{0x4E3FA0,
0x60F7F0};
WEAK symbol<void(conChannel_t, const char*, ...)> Com_PrintError{0x568B90,
0x5DFC40};
WEAK symbol<void(LocalClientNum_t, const char* text)> Cbuf_AddText{0x56EF70, 0x49B930};
WEAK symbol<void(LocalClientNum_t, const char* text)> Cbuf_InsertText{0x695E10, 0x5B3EB0};
WEAK symbol<void(LocalClientNum_t, int controllerIndex, const char* text)> Cmd_ExecuteSingleCommand{0x50B470, 0x829AD0};
WEAK symbol<void(LocalClientNum_t, const char* text)> Cbuf_AddText{0x56EF70,
0x49B930};
WEAK symbol<void(LocalClientNum_t, const char* text)> Cbuf_InsertText{0x695E10,
0x5B3EB0};
WEAK symbol<void(LocalClientNum_t, int controllerIndex, const char* text)>
Cmd_ExecuteSingleCommand{0x50B470, 0x829AD0};
WEAK symbol<void(client_s*, svscmd_type, const char*, ...)> SV_SendServerCommand{0x588B10, 0x6106E0};
WEAK symbol<void(int, svscmd_type, const char*)> SV_GameSendServerCommand{0x6B8730, 0x543CF0};
WEAK symbol<void(int, char*, int)> SV_Cmd_ArgvBuffer{0x462CB0, 0x4DF5A0};
WEAK symbol<void(client_s*, const char*)> SV_DelayDropClient{0x4A8DC0, 0x4A2EB0};
WEAK symbol<client_s*()> SV_GetPlayerByName{0x875180, 0x87C350};
WEAK symbol<client_s*()> SV_GetPlayerByNum{0x875260, 0x87C430};
WEAK symbol<void(client_s*, svscmd_type, const char*, ...)>
SV_SendServerCommand{0x588B10, 0x6106E0};
WEAK symbol<void(int, svscmd_type, const char*)> SV_GameSendServerCommand{
0x6B8730, 0x543CF0};
WEAK symbol<void(int, char*, int)> SV_Cmd_ArgvBuffer{0x462CB0, 0x4DF5A0};
WEAK symbol<void(client_s*, const char*)> SV_DelayDropClient{0x4A8DC0,
0x4A2EB0};
WEAK symbol<client_s*()> SV_GetPlayerByName{0x875180, 0x87C350};
WEAK symbol<client_s*()> SV_GetPlayerByNum{0x875260, 0x87C430};
WEAK symbol<bool(netsrc_t, netadr_s, const char*)> NET_OutOfBandPrint{0x560BB0, 0x472850};
WEAK symbol<const char*(netadr_s)> NET_AdrToString{0x49F970, 0x40D790};
WEAK symbol<bool(netsrc_t, netadr_s, const char*)> NET_OutOfBandPrint{0x560BB0,
0x472850};
WEAK symbol<const char*(netadr_s)> NET_AdrToString{0x49F970, 0x40D790};
WEAK symbol<dvar_s*(const char*)> Dvar_FindVar{0x512F70, 0x5AE810};
WEAK symbol<const char*(const dvar_s*)> Dvar_DisplayableValue{0x681DD0, 0x5B56F0};
WEAK symbol<const char*(const dvar_s*)> Dvar_DisplayableLatchedValue{0x4AE1A0, 0x675850};
WEAK symbol<const dvar_s*(const char*, const char*,
unsigned __int16, const char*)> Dvar_RegisterString{0x4E3410, 0x59B3B0};
WEAK symbol<const dvar_s*(const char*, float, float,
float, unsigned __int16, const char*)> Dvar_RegisterFloat{0x670020, 0x679020};
WEAK symbol<const dvar_s*(const char*, bool,
unsigned __int16, const char*)> Dvar_RegisterBool{0x5A5350, 0x45BB20};
WEAK symbol<const dvar_s*(const char*, int, int,
int, unsigned __int16, const char*)> Dvar_RegisterInt{0x58D900, 0x651910};
WEAK symbol<dvar_s*(const char*)> Dvar_FindVar{0x512F70, 0x5AE810};
WEAK symbol<const char*(const dvar_s*)> Dvar_DisplayableValue{0x681DD0,
0x5B56F0};
WEAK symbol<const char*(const dvar_s*)> Dvar_DisplayableLatchedValue{0x4AE1A0,
0x675850};
WEAK symbol<const dvar_s*(const char*, const char*, unsigned __int16,
const char*)>
Dvar_RegisterString{0x4E3410, 0x59B3B0};
WEAK symbol<const dvar_s*(const char*, float, float, float, unsigned __int16,
const char*)>
Dvar_RegisterFloat{0x670020, 0x679020};
WEAK symbol<const dvar_s*(const char*, bool, unsigned __int16, const char*)>
Dvar_RegisterBool{0x5A5350, 0x45BB20};
WEAK symbol<const dvar_s*(const char*, int, int, int, unsigned __int16,
const char*)>
Dvar_RegisterInt{0x58D900, 0x651910};
WEAK symbol<void(const char*, void(), cmd_function_t*)> Cmd_AddCommandInternal{0x6AD580, 0x661400};
WEAK symbol<void(const char* cmdName)> Cmd_RemoveCommand{0x527EA0, 0x5F1A90};
WEAK symbol<cmd_function_t*(const char*)> Cmd_FindCommand{0x445B60, 0x479DD0};
WEAK symbol<void(const char*, void(), cmd_function_t*)> Cmd_AddCommandInternal{
0x6AD580, 0x661400};
WEAK symbol<void(const char* cmdName)> Cmd_RemoveCommand{0x527EA0, 0x5F1A90};
WEAK symbol<cmd_function_t*(const char*)> Cmd_FindCommand{0x445B60, 0x479DD0};
WEAK symbol<char*(char*)> I_CleanStr{0x4B0700, 0x0};
WEAK symbol<char*(char*)> I_CleanStr{0x4B0700, 0x0};
WEAK symbol<char*(int)> ConcatArgs{0x5D5F10, 0x4FB210};
WEAK symbol<void(int)> ClientCommand{0x63DB70, 0x4AF770};
WEAK symbol<void(gentity_s*, gentity_s*, int, const char*)> G_Say{0x51BBD0, 0x49A790};
WEAK symbol<char*(int)> ConcatArgs{0x5D5F10, 0x4FB210};
WEAK symbol<void(int)> ClientCommand{0x63DB70, 0x4AF770};
WEAK symbol<void(gentity_s*, gentity_s*, int, const char*)> G_Say{0x51BBD0,
0x49A790};
WEAK symbol<void(gentity_s*, unsigned __int16, unsigned int)> Scr_Notify{0x458D30, 0x0};
WEAK symbol<void(int, scriptInstance_t)> Scr_AddInt{0x49F830, 0x0};
WEAK symbol<void(const float*, scriptInstance_t)> Scr_AddVector{0x532EF0, 0x0};
WEAK symbol<void(gentity_s*, unsigned __int16, unsigned int)> Scr_Notify{
0x458D30, 0x0};
WEAK symbol<void(int, scriptInstance_t)> Scr_AddInt{0x49F830, 0x0};
WEAK symbol<void(const float*, scriptInstance_t)> Scr_AddVector{0x532EF0, 0x0};
WEAK symbol<int(const playerState_s*)> PM_GetEffectiveStance{0x659590, 0x0};
WEAK symbol<int(const playerState_s*)> PM_GetEffectiveStance{0x659590, 0x0};
WEAK symbol<CmdArgs> sv_cmd_args{0x355BD88, 0x243D208};
WEAK symbol<int> dvarCount{0x385BE74, 0x261CBD4};
WEAK symbol<dvar_t*> sortedDvars{0x385BE88, 0x261CBE8};
WEAK symbol<client_s> svs_clients{0x372D11C, 0x286D01C};
WEAK symbol<gentity_s> g_entities{0x32E5640, 0x1A796F8};
WEAK symbol<int> level_time{0x3443F4C, 0xC2078C};
}
WEAK symbol<CmdArgs> sv_cmd_args{0x355BD88, 0x243D208};
WEAK symbol<int> dvarCount{0x385BE74, 0x261CBD4};
WEAK symbol<dvar_t*> sortedDvars{0x385BE88, 0x261CBE8};
WEAK symbol<client_s> svs_clients{0x372D11C, 0x286D01C};
WEAK symbol<gentity_s> g_entities{0x32E5640, 0x1A796F8};
WEAK symbol<int> level_time{0x3443F4C, 0xC2078C};
} // namespace game

36
src/loader/component_interface.hpp
View File

@ -1,35 +1,21 @@
#pragma once
class component_interface
{
class component_interface {
public:
virtual ~component_interface()
{
}
virtual ~component_interface() {}
virtual void post_start()
{
}
virtual void post_start() {}
virtual void post_load()
{
}
virtual void post_load() {}
virtual void pre_destroy()
{
}
virtual void pre_destroy() {}
virtual void post_unpack()
{
}
virtual void post_unpack() {}
virtual void* load_import([[maybe_unused]] const std::string& library, [[maybe_unused]] const std::string& function)
{
return nullptr;
}
virtual void* load_import([[maybe_unused]] const std::string& library,
[[maybe_unused]] const std::string& function) {
return nullptr;
}
virtual bool is_supported()
{
return true;
}
virtual bool is_supported() { return true; }
};

176
src/loader/component_loader.cpp
View File

@ -1,127 +1,111 @@
#include <stdinc.hpp>
#include "component_loader.hpp"
void component_loader::register_component(std::unique_ptr<component_interface>&& component_)
{
get_components().push_back(std::move(component_));
void component_loader::register_component(
std::unique_ptr<component_interface>&& component_) {
get_components().push_back(std::move(component_));
}
bool component_loader::post_start()
{
static auto handled = false;
if (handled) return true;
handled = true;
bool component_loader::post_start() {
static auto handled = false;
if (handled)
return true;
handled = true;
try
{
for (const auto& component_ : get_components())
{
component_->post_start();
}
}
catch (premature_shutdown_trigger&)
{
return false;
}
try {
for (const auto& component_ : get_components()) {
component_->post_start();
}
} catch (premature_shutdown_trigger&) {
return false;
}
return true;
return true;
}
bool component_loader::post_load()
{
static auto handled = false;
if (handled) return true;
handled = true;
bool component_loader::post_load() {
static auto handled = false;
if (handled)
return true;
handled = true;
clean();
clean();
try
{
for (const auto& component_ : get_components())
{
component_->post_load();
}
}
catch (premature_shutdown_trigger&)
{
return false;
}
try {
for (const auto& component_ : get_components()) {
component_->post_load();
}
} catch (premature_shutdown_trigger&) {
return false;
}
return true;
return true;
}
void component_loader::post_unpack()
{
static auto handled = false;
if (handled) return;
handled = true;
void component_loader::post_unpack() {
static auto handled = false;
if (handled)
return;
handled = true;
for (const auto& component_ : get_components())
{
component_->post_unpack();
}
for (const auto& component_ : get_components()) {
component_->post_unpack();
}
}
void component_loader::pre_destroy()
{
static auto handled = false;
if (handled) return;
handled = true;
void component_loader::pre_destroy() {
static auto handled = false;
if (handled)
return;
handled = true;
for (const auto& component_ : get_components())
{
component_->pre_destroy();
}
for (const auto& component_ : get_components()) {
component_->pre_destroy();
}
}
void component_loader::clean()
{
auto& components = get_components();
for (auto i = components.begin(); i != components.end();)
{
if (!(*i)->is_supported())
{
(*i)->pre_destroy();
i = components.erase(i);
}
else
{
++i;
}
}
void component_loader::clean() {
auto& components = get_components();
for (auto i = components.begin(); i != components.end();) {
if (!(*i)->is_supported()) {
(*i)->pre_destroy();
i = components.erase(i);
} else {
++i;
}
}
}
void* component_loader::load_import(const std::string& library, const std::string& function)
{
void* function_ptr = nullptr;
void* component_loader::load_import(const std::string& library,
const std::string& function) {
void* function_ptr = nullptr;
for (const auto& component_ : get_components())
{
auto* const component_function_ptr = component_->load_import(library, function);
if (component_function_ptr)
{
function_ptr = component_function_ptr;
}
}
for (const auto& component_ : get_components()) {
auto* const component_function_ptr =
component_->load_import(library, function);
if (component_function_ptr) {
function_ptr = component_function_ptr;
}
}
return function_ptr;
return function_ptr;
}
void component_loader::trigger_premature_shutdown()
{
throw premature_shutdown_trigger();
void component_loader::trigger_premature_shutdown() {
throw premature_shutdown_trigger();
}
std::vector<std::unique_ptr<component_interface>>& component_loader::get_components()
{
using component_vector = std::vector<std::unique_ptr<component_interface>>;
using component_vector_container = std::unique_ptr<component_vector, std::function<void(component_vector*)>>;
std::vector<std::unique_ptr<component_interface>>&
component_loader::get_components() {
using component_vector = std::vector<std::unique_ptr<component_interface>>;
using component_vector_container =
std::unique_ptr<component_vector, std::function<void(component_vector*)>>;
static component_vector_container components(new component_vector, [](component_vector* component_vector)
{
pre_destroy();
delete component_vector;
});
static component_vector_container components(
new component_vector, [](component_vector* component_vector) {
pre_destroy();
delete component_vector;
});
return *components;
return *components;
}

80
src/loader/component_loader.hpp
View File

@ -1,61 +1,51 @@
#pragma once
#include "component_interface.hpp"
class component_loader final
{
class component_loader final {
public:
class premature_shutdown_trigger final : public std::exception
{
[[nodiscard]] const char* what() const noexcept override
{
return "Premature shutdown requested";
}
};
class premature_shutdown_trigger final : public std::exception {
[[nodiscard]] const char* what() const noexcept override {
return "Premature shutdown requested";
}
};
template <typename T>
class installer final
{
static_assert(std::is_base_of<component_interface, T>::value, "component has invalid base class");
template <typename T> class installer final {
static_assert(std::is_base_of<component_interface, T>::value,
"component has invalid base class");
public:
installer()
{
register_component(std::make_unique<T>());
}
};
public:
installer() { register_component(std::make_unique<T>()); }
};
template <typename T>
static T* get()
{
for (const auto& component_ : get_components())
{
if (typeid(*component_.get()) == typeid(T))
{
return reinterpret_cast<T*>(component_.get());
}
}
template <typename T> static T* get() {
for (const auto& component_ : get_components()) {
if (typeid(*component_.get()) == typeid(T)) {
return reinterpret_cast<T*>(component_.get());
}
}
return nullptr;
}
return nullptr;
}
static void register_component(std::unique_ptr<component_interface>&& component);
static void
register_component(std::unique_ptr<component_interface>&& component);
static bool post_start();
static bool post_load();
static void post_unpack();
static void pre_destroy();
static void clean();
static bool post_start();
static bool post_load();
static void post_unpack();
static void pre_destroy();
static void clean();
static void* load_import(const std::string& library, const std::string& function);
static void* load_import(const std::string& library,
const std::string& function);
static void trigger_premature_shutdown();
static void trigger_premature_shutdown();
private:
static std::vector<std::unique_ptr<component_interface>>& get_components();
static std::vector<std::unique_ptr<component_interface>>& get_components();
};
#define REGISTER_COMPONENT(name) \
namespace \
{ \
static component_loader::installer<name> __component; \
}
#define REGISTER_COMPONENT(name) \
namespace { \
static component_loader::installer<name> __component; \
}

19
src/main.cpp
View File

@ -1,16 +1,13 @@
#include <stdinc.hpp>
#include "loader/component_loader.hpp"
BOOL APIENTRY DllMain(HMODULE /*module_*/, DWORD ul_reason_for_call, LPVOID /*reserved_*/)
{
if (ul_reason_for_call == DLL_PROCESS_ATTACH)
{
component_loader::post_unpack();
}
else if (ul_reason_for_call == DLL_PROCESS_DETACH)
{
component_loader::pre_destroy();
}
BOOL APIENTRY DllMain(HMODULE /*module_*/, DWORD ul_reason_for_call,
LPVOID /*reserved_*/) {
if (ul_reason_for_call == DLL_PROCESS_ATTACH) {
component_loader::post_unpack();
} else if (ul_reason_for_call == DLL_PROCESS_DETACH) {
component_loader::pre_destroy();
}
return TRUE;
return TRUE;
}

13
src/stdinc.hpp
View File

@ -9,17 +9,18 @@
#include <windows.h>
#include <vector>
#include <algorithm>
#include <cassert>
#include <functional>
#include <iostream>
#include <map>
#include <mutex>
#include <string>
#include <iostream>
#include <algorithm>
#include <functional>
#include <unordered_set>
#include <map>
#include <vector>
#pragma warning(disable : 26812)
#include <rapidjson/document.h>
#include <rapidjson/prettywriter.h>
#include <rapidjson/stringbuffer.h>
@ -28,5 +29,7 @@
using namespace std::literals;
// clang-format off
#include "game/structs.hpp"
#include "game/game.hpp"
// clang-format on

64
src/utils/concurrency.hpp
View File

@ -2,45 +2,35 @@
#include <mutex>
namespace utils::concurrency
{
template <typename T, typename MutexType = std::mutex>
class container
{
public:
template <typename R = void, typename F>
R access(F&& accessor) const
{
std::lock_guard<MutexType> _{mutex_};
return accessor(object_);
}
namespace utils::concurrency {
template <typename T, typename MutexType = std::mutex> class container {
public:
template <typename R = void, typename F> R access(F&& accessor) const {
std::lock_guard<MutexType> _{mutex_};
return accessor(object_);
}
template <typename R = void, typename F>
R access(F&& accessor)
{
std::lock_guard<MutexType> _{mutex_};
return accessor(object_);
}
template <typename R = void, typename F> R access(F&& accessor) {
std::lock_guard<MutexType> _{mutex_};
return accessor(object_);
}
template <typename R = void, typename F>
R access_with_lock(F&& accessor) const
{
std::unique_lock<MutexType> lock{mutex_};
return accessor(object_, lock);
}
template <typename R = void, typename F>
R access_with_lock(F&& accessor) const {
std::unique_lock<MutexType> lock{mutex_};
return accessor(object_, lock);
}
template <typename R = void, typename F>
R access_with_lock(F&& accessor)
{
std::unique_lock<MutexType> lock{mutex_};
return accessor(object_, lock);
}
template <typename R = void, typename F> R access_with_lock(F&& accessor) {
std::unique_lock<MutexType> lock{mutex_};
return accessor(object_, lock);
}
T& get_raw() { return object_; }
const T& get_raw() const { return object_; }
T& get_raw() { return object_; }
const T& get_raw() const { return object_; }
private:
mutable MutexType mutex_{};
T object_{};
};
}
private:
mutable MutexType mutex_{};
T object_{};
};
} // namespace utils::concurrency

40
src/utils/cryptography.cpp
View File

@ -1,26 +1,22 @@
#include "string.hpp"
#include "cryptography.hpp"
namespace jenkins_one_at_a_time
{
unsigned int jenkins_one_at_a_time::compute(const std::string& data)
{
return compute(data.data(), data.size());
}
unsigned int jenkins_one_at_a_time::compute(const char* key, const size_t len)
{
unsigned int hash, i;
for (hash = i = 0; i < len; ++i)
{
hash += key[i];
hash += (hash << 10);
hash ^= (hash >> 6);
}
hash += (hash << 3);
hash ^= (hash >> 11);
hash += (hash << 15);
return hash;
}
namespace jenkins_one_at_a_time {
unsigned int jenkins_one_at_a_time::compute(const std::string& data) {
return compute(data.data(), data.size());
}
unsigned int jenkins_one_at_a_time::compute(const char* key, const size_t len) {
unsigned int hash, i;
for (hash = i = 0; i < len; ++i) {
hash += key[i];
hash += (hash << 10);
hash ^= (hash >> 6);
}
hash += (hash << 3);
hash ^= (hash >> 11);
hash += (hash << 15);
return hash;
}
} // namespace jenkins_one_at_a_time

9
src/utils/cryptography.hpp
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@ -1,7 +1,6 @@
#pragma once
namespace jenkins_one_at_a_time
{
unsigned int compute(const std::string& data);
unsigned int compute(const char* key, size_t len);
}
namespace jenkins_one_at_a_time {
unsigned int compute(const std::string& data);
unsigned int compute(const char* key, size_t len);
} // namespace jenkins_one_at_a_time

319
src/utils/hook.cpp
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@ -3,191 +3,154 @@
#include <MinHook.h>
namespace utils::hook
{
namespace
{
[[maybe_unused]] class _
{
public:
_()
{
if (MH_Initialize() != MH_OK)
{
throw std::runtime_error("Failed to initialize MinHook");
}
}
namespace utils::hook {
namespace {
[[maybe_unused]] class _ {
public:
_() {
if (MH_Initialize() != MH_OK) {
throw std::runtime_error("Failed to initialize MinHook");
}
}
~_()
{
MH_Uninitialize();
}
} __;
}
~_() { MH_Uninitialize(); }
} __;
} // namespace
detour::detour(const size_t place, void* target) : detour(reinterpret_cast<void*>(place), target)
{
}
detour::detour(const size_t place, void* target)
: detour(reinterpret_cast<void*>(place), target) {}
detour::detour(void* place, void* target)
{
this->create(place, target);
}
detour::detour(void* place, void* target) { this->create(place, target); }
detour::~detour()
{
this->clear();
}
detour::~detour() { this->clear(); }
void detour::enable() const
{
MH_EnableHook(this->place_);
}
void detour::enable() const { MH_EnableHook(this->place_); }
void detour::disable() const
{
MH_DisableHook(this->place_);
}
void detour::disable() const { MH_DisableHook(this->place_); }
void detour::create(void* place, void* target)
{
this->clear();
this->place_ = place;
void detour::create(void* place, void* target) {
this->clear();
this->place_ = place;
if (MH_CreateHook(this->place_, target, &this->original_) != MH_OK)
{
throw std::runtime_error(string::va("Unable to create hook at location: %p", this->place_));
}
if (MH_CreateHook(this->place_, target, &this->original_) != MH_OK) {
throw std::runtime_error(
string::va("Unable to create hook at location: %p", this->place_));
}
this->enable();
}
void detour::create(const size_t place, void* target)
{
this->create(reinterpret_cast<void*>(place), target);
}
void detour::clear()
{
if (this->place_)
{
MH_RemoveHook(this->place_);
}
this->place_ = nullptr;
this->original_ = nullptr;
}
void* detour::get_original() const
{
return this->original_;
}
void nop(void* place, const size_t length)
{
DWORD old_protect{};
VirtualProtect(place, length, PAGE_EXECUTE_READWRITE, &old_protect);
std::memset(place, 0x90, length);
VirtualProtect(place, length, old_protect, &old_protect);
FlushInstructionCache(GetCurrentProcess(), place, length);
}
void nop(const size_t place, const size_t length)
{
nop(reinterpret_cast<void*>(place), length);
}
void copy(void* place, const void* data, const size_t length)
{
DWORD old_protect{};
VirtualProtect(place, length, PAGE_EXECUTE_READWRITE, &old_protect);
std::memmove(place, data, length);
VirtualProtect(place, length, old_protect, &old_protect);
FlushInstructionCache(GetCurrentProcess(), place, length);
}
void copy(const size_t place, const void* data, const size_t length)
{
copy(reinterpret_cast<void*>(place), data, length);
}
bool is_relatively_far(const void* pointer, const void* data, const int offset)
{
const std::int64_t diff = size_t(data) - (size_t(pointer) + offset);
const auto small_diff = std::int32_t(diff);
return diff != std::int64_t(small_diff);
}
void call(void* pointer, void* data)
{
if (is_relatively_far(pointer, data))
{
throw std::runtime_error("Too far away to create 32bit relative branch");
}
auto* patch_pointer = PBYTE(pointer);
set<std::uint8_t>(patch_pointer, 0xE8);
set<std::int32_t>(patch_pointer + 1, std::int32_t(size_t(data) - (size_t(pointer) + 5)));
}
void call(const size_t pointer, void* data)
{
return call(reinterpret_cast<void*>(pointer), data);
}
void call(const size_t pointer, const size_t data)
{
return call(pointer, reinterpret_cast<void*>(data));
}
void set(std::uintptr_t address, std::vector<std::uint8_t>&& bytes)
{
DWORD oldProtect = 0;
auto* place = reinterpret_cast<void*>(address);
VirtualProtect(place, bytes.size(), PAGE_EXECUTE_READWRITE, &oldProtect);
memcpy(place, bytes.data(), bytes.size());
VirtualProtect(place, bytes.size(), oldProtect, &oldProtect);
FlushInstructionCache(GetCurrentProcess(), place, bytes.size());
}
void set(std::uintptr_t address, void* buffer, size_t size)
{
DWORD oldProtect = 0;
auto* place = reinterpret_cast<void*>(address);
VirtualProtect(place, size, PAGE_EXECUTE_READWRITE, &oldProtect);
memcpy(place, buffer, size);
VirtualProtect(place, size, oldProtect, &oldProtect);
FlushInstructionCache(GetCurrentProcess(), place, size);
}
void jump(std::uintptr_t address, void* destination)
{
if (!address) return;
std::uint8_t* bytes = new std::uint8_t[5];
*bytes = 0xE9;
*reinterpret_cast<std::uint32_t*>(bytes + 1) = CalculateRelativeJMPAddress(address, destination);
set(address, bytes, 5);
delete[] bytes;
}
void redirect_jump(void* pointer, void* data)
{
char* operand_ptr = static_cast<char*>(pointer) + 2;
std::int32_t new_operand = reinterpret_cast<std::int32_t>(data) - (reinterpret_cast<std::int32_t>(pointer) + 6);
set<std::int32_t>(operand_ptr, new_operand);
}
void redirect_jump(size_t pointer, void* data)
{
redirect_jump(reinterpret_cast<void*>(pointer), data);
}
this->enable();
}
void detour::create(const size_t place, void* target) {
this->create(reinterpret_cast<void*>(place), target);
}
void detour::clear() {
if (this->place_) {
MH_RemoveHook(this->place_);
}
this->place_ = nullptr;
this->original_ = nullptr;
}
void* detour::get_original() const { return this->original_; }
void nop(void* place, const size_t length) {
DWORD old_protect{};
VirtualProtect(place, length, PAGE_EXECUTE_READWRITE, &old_protect);
std::memset(place, 0x90, length);
VirtualProtect(place, length, old_protect, &old_protect);
FlushInstructionCache(GetCurrentProcess(), place, length);
}
void nop(const size_t place, const size_t length) {
nop(reinterpret_cast<void*>(place), length);
}
void copy(void* place, const void* data, const size_t length) {
DWORD old_protect{};
VirtualProtect(place, length, PAGE_EXECUTE_READWRITE, &old_protect);
std::memmove(place, data, length);
VirtualProtect(place, length, old_protect, &old_protect);
FlushInstructionCache(GetCurrentProcess(), place, length);
}
void copy(const size_t place, const void* data, const size_t length) {
copy(reinterpret_cast<void*>(place), data, length);
}
bool is_relatively_far(const void* pointer, const void* data,
const int offset) {
const std::int64_t diff = size_t(data) - (size_t(pointer) + offset);
const auto small_diff = std::int32_t(diff);
return diff != std::int64_t(small_diff);
}
void call(void* pointer, void* data) {
if (is_relatively_far(pointer, data)) {
throw std::runtime_error("Too far away to create 32bit relative branch");
}
auto* patch_pointer = PBYTE(pointer);
set<std::uint8_t>(patch_pointer, 0xE8);
set<std::int32_t>(patch_pointer + 1,
std::int32_t(size_t(data) - (size_t(pointer) + 5)));
}
void call(const size_t pointer, void* data) {
return call(reinterpret_cast<void*>(pointer), data);
}
void call(const size_t pointer, const size_t data) {
return call(pointer, reinterpret_cast<void*>(data));
}
void set(std::uintptr_t address, std::vector<std::uint8_t>&& bytes) {
DWORD oldProtect = 0;
auto* place = reinterpret_cast<void*>(address);
VirtualProtect(place, bytes.size(), PAGE_EXECUTE_READWRITE, &oldProtect);
memcpy(place, bytes.data(), bytes.size());
VirtualProtect(place, bytes.size(), oldProtect, &oldProtect);
FlushInstructionCache(GetCurrentProcess(), place, bytes.size());
}
void set(std::uintptr_t address, void* buffer, size_t size) {
DWORD oldProtect = 0;
auto* place = reinterpret_cast<void*>(address);
VirtualProtect(place, size, PAGE_EXECUTE_READWRITE, &oldProtect);
memcpy(place, buffer, size);
VirtualProtect(place, size, oldProtect, &oldProtect);
FlushInstructionCache(GetCurrentProcess(), place, size);
}
void jump(std::uintptr_t address, void* destination) {
if (!address)
return;
std::uint8_t* bytes = new std::uint8_t[5];
*bytes = 0xE9;
*reinterpret_cast<std::uint32_t*>(bytes + 1) =
CalculateRelativeJMPAddress(address, destination);
set(address, bytes, 5);
delete[] bytes;
}
void redirect_jump(void* pointer, void* data) {
char* operand_ptr = static_cast<char*>(pointer) + 2;
std::int32_t new_operand = reinterpret_cast<std::int32_t>(data) -
(reinterpret_cast<std::int32_t>(pointer) + 6);
set<std::int32_t>(operand_ptr, new_operand);
}
void redirect_jump(size_t pointer, void* data) {
redirect_jump(reinterpret_cast<void*>(pointer), data);
}
} // namespace utils::hook

174
src/utils/hook.hpp
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@ -1,120 +1,102 @@
#pragma once
#include "signature.hpp"
#define CalculateRelativeJMPAddress(X, Y) (((std::uintptr_t)Y - (std::uintptr_t)X) - 5)
#define CalculateRelativeJMPAddress(X, Y) \
(((std::uintptr_t)Y - (std::uintptr_t)X) - 5)
namespace utils::hook
{
class detour
{
public:
detour() = default;
detour(void* place, void* target);
detour(size_t place, void* target);
~detour();
namespace utils::hook {
class detour {
public:
detour() = default;
detour(void* place, void* target);
detour(size_t place, void* target);
~detour();
detour(detour&& other) noexcept
{
this->operator=(std::move(other));
}
detour(detour&& other) noexcept { this->operator=(std::move(other)); }
detour& operator= (detour&& other) noexcept
{
if (this != &other)
{
this->~detour();
detour& operator=(detour&& other) noexcept {
if (this != &other) {
this->~detour();
this->place_ = other.place_;
this->original_ = other.original_;
this->place_ = other.place_;
this->original_ = other.original_;
other.place_ = nullptr;
other.original_ = nullptr;
}
other.place_ = nullptr;
other.original_ = nullptr;
}
return *this;
}
return *this;
}
detour(const detour&) = delete;
detour& operator= (const detour&) = delete;
detour(const detour&) = delete;
detour& operator=(const detour&) = delete;
void enable() const;
void disable() const;
void enable() const;
void disable() const;
void create(void* place, void* target);
void create(size_t place, void* target);
void clear();
void create(void* place, void* target);
void create(size_t place, void* target);
void clear();
template <typename T>
T* get() const
{
return static_cast<T*>(this->get_original());
}
template <typename T> T* get() const {
return static_cast<T*>(this->get_original());
}
template <typename T, typename... Args>
T invoke(Args... args)
{
return static_cast<T(*)(Args ...)>(this->get_original())(args...);
}
template <typename T, typename... Args> T invoke(Args... args) {
return static_cast<T (*)(Args...)>(this->get_original())(args...);
}
[[nodiscard]] void* get_original() const;
[[nodiscard]] void* get_original() const;
private:
void* place_{};
void* original_{};
};
private:
void* place_{};
void* original_{};
};
void nop(void* place, size_t length);
void nop(size_t place, size_t length);
void nop(void* place, size_t length);
void nop(size_t place, size_t length);
void copy(void* place, const void* data, size_t length);
void copy(size_t place, const void* data, size_t length);
void copy(void* place, const void* data, size_t length);
void copy(size_t place, const void* data, size_t length);
bool is_relatively_far(const void* pointer, const void* data, int offset = 5);
bool is_relatively_far(const void* pointer, const void* data, int offset = 5);
void call(void* pointer, void* data);
void call(size_t pointer, void* data);
void call(size_t pointer, size_t data);
void call(void* pointer, void* data);
void call(size_t pointer, void* data);
void call(size_t pointer, size_t data);
void jump(std::uintptr_t address, void* destination);
void jump(std::uintptr_t address, void* destination);
void redirect_jump(void* pointer, void* data);
void redirect_jump(size_t pointer, void* data);
void redirect_jump(void* pointer, void* data);
void redirect_jump(size_t pointer, void* data);
template <typename T>
T extract(void* address)
{
const auto data = static_cast<uint8_t*>(address);
const auto offset = *reinterpret_cast<int32_t*>(data);
return reinterpret_cast<T>(data + offset + 4);
}
template <typename T>
static void set(void* place, T value)
{
DWORD old_protect;
VirtualProtect(place, sizeof(T), PAGE_EXECUTE_READWRITE, &old_protect);
*static_cast<T*>(place) = value;
VirtualProtect(place, sizeof(T), old_protect, &old_protect);
FlushInstructionCache(GetCurrentProcess(), place, sizeof(T));
}
template <typename T>
static void set(const size_t place, T value)
{
return set<T>(reinterpret_cast<void*>(place), value);
}
template <typename T, typename... Args>
static T invoke(size_t func, Args ... args)
{
return reinterpret_cast<T(*)(Args ...)>(func)(args...);
}
template <typename T, typename... Args>
static T invoke(void* func, Args ... args)
{
return static_cast<T(*)(Args ...)>(func)(args...);
}
template <typename T> T extract(void* address) {
const auto data = static_cast<uint8_t*>(address);
const auto offset = *reinterpret_cast<int32_t*>(data);
return reinterpret_cast<T>(data + offset + 4);
}
template <typename T> static void set(void* place, T value) {
DWORD old_protect;
VirtualProtect(place, sizeof(T), PAGE_EXECUTE_READWRITE, &old_protect);
*static_cast<T*>(place) = value;
VirtualProtect(place, sizeof(T), old_protect, &old_protect);
FlushInstructionCache(GetCurrentProcess(), place, sizeof(T));
}
template <typename T> static void set(const size_t place, T value) {
return set<T>(reinterpret_cast<void*>(place), value);
}
template <typename T, typename... Args>
static T invoke(size_t func, Args... args) {
return reinterpret_cast<T (*)(Args...)>(func)(args...);
}
template <typename T, typename... Args>
static T invoke(void* func, Args... args) {
return static_cast<T (*)(Args...)>(func)(args...);
}
} // namespace utils::hook

103
src/utils/info_string.cpp
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@ -1,65 +1,50 @@
#include "info_string.hpp"
#include "string.hpp"
namespace utils
{
info_string::info_string(const std::string& buffer)
{
this->parse(buffer);
}
namespace utils {
info_string::info_string(const std::string& buffer) { this->parse(buffer); }
info_string::info_string(const std::string_view& buffer)
: info_string(std::string{ buffer })
{
}
info_string::info_string(const std::string_view& buffer)
: info_string(std::string{buffer}) {}
void info_string::set(const std::string& key, const std::string& value)
{
this->key_value_pairs_[key] = value;
}
std::string info_string::get(const std::string& key) const
{
const auto value = this->key_value_pairs_.find(key);
if (value != this->key_value_pairs_.end())
{
return value->second;
}
return "";
}
void info_string::parse(std::string buffer)
{
if (buffer[0] == '\\')
{
buffer = buffer.substr(1);
}
auto key_values = string::split(buffer, '\\');
for (size_t i = 0; !key_values.empty() && i < (key_values.size() - 1); i += 2)
{
const auto& key = key_values[i];
const auto& value = key_values[i + 1];
this->key_value_pairs_[key] = value;
}
}
std::string info_string::build() const
{
//auto first = true;
std::string info_string;
for (auto i = this->key_value_pairs_.begin(); i != this->key_value_pairs_.end(); ++i)
{
//if (first) first = false;
/*else*/
info_string.append("\\");
info_string.append(i->first); // Key
info_string.append("\\");
info_string.append(i->second); // Value
}
return info_string;
}
void info_string::set(const std::string& key, const std::string& value) {
this->key_value_pairs_[key] = value;
}
std::string info_string::get(const std::string& key) const {
const auto value = this->key_value_pairs_.find(key);
if (value != this->key_value_pairs_.end()) {
return value->second;
}
return "";
}
void info_string::parse(std::string buffer) {
if (buffer[0] == '\\') {
buffer = buffer.substr(1);
}
auto key_values = string::split(buffer, '\\');
for (size_t i = 0; !key_values.empty() && i < (key_values.size() - 1);
i += 2) {
const auto& key = key_values[i];
const auto& value = key_values[i + 1];
this->key_value_pairs_[key] = value;
}
}
std::string info_string::build() const {
std::string info_string;
for (auto i = this->key_value_pairs_.begin();
i != this->key_value_pairs_.end(); ++i) {
info_string.append("\\");
info_string.append(i->first); // Key
info_string.append("\\");
info_string.append(i->second); // Value
}
return info_string;
}
} // namespace utils

30
src/utils/info_string.hpp
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@ -3,22 +3,20 @@
#include <string>
#include <unordered_map>
namespace utils
{
class info_string
{
public:
info_string() = default;
info_string(const std::string& buffer);
info_string(const std::string_view& buffer);
namespace utils {
class info_string {
public:
info_string() = default;
info_string(const std::string& buffer);
info_string(const std::string_view& buffer);
void set(const std::string& key, const std::string& value);
std::string get(const std::string& key) const;
std::string build() const;
void set(const std::string& key, const std::string& value);
std::string get(const std::string& key) const;
std::string build() const;
private:
std::unordered_map<std::string, std::string> key_value_pairs_{};
private:
std::unordered_map<std::string, std::string> key_value_pairs_{};
void parse(std::string buffer);
};
}
void parse(std::string buffer);
};
} // namespace utils

222
src/utils/io.cpp
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@ -2,124 +2,106 @@
#include "nt.hpp"
#include <fstream>
namespace utils::io
{
bool remove_file(const std::string& file)
{
return DeleteFileA(file.data()) == TRUE;
}
bool move_file(const std::string& src, const std::string& target)
{
return MoveFileA(src.data(), target.data()) == TRUE;
}
bool file_exists(const std::string& file)
{
return std::ifstream(file).good();
}
bool write_file(const std::string& file, const std::string& data, const bool append)
{
const auto pos = file.find_last_of("/\\");
if (pos != std::string::npos)
{
create_directory(file.substr(0, pos));
}
std::ofstream stream(
file, std::ios::binary | std::ofstream::out | (append ? std::ofstream::app : 0));
if (stream.is_open())
{
stream.write(data.data(), data.size());
stream.close();
return true;
}
return false;
}
std::string read_file(const std::string& file)
{
std::string data;
read_file(file, &data);
return data;
}
bool read_file(const std::string& file, std::string* data)
{
if (!data) return false;
data->clear();
if (file_exists(file))
{
std::ifstream stream(file, std::ios::binary);
if (!stream.is_open()) return false;
stream.seekg(0, std::ios::end);
const std::streamsize size = stream.tellg();
stream.seekg(0, std::ios::beg);
if (size > -1)
{
data->resize(static_cast<uint32_t>(size));
stream.read(const_cast<char*>(data->data()), size);
stream.close();
return true;
}
}
return false;
}
size_t file_size(const std::string& file)
{
if (file_exists(file))
{
std::ifstream stream(file, std::ios::binary);
if (stream.good())
{
stream.seekg(0, std::ios::end);
return static_cast<size_t>(stream.tellg());
}
}
return 0;
}
bool create_directory(const std::string& directory)
{
return std::filesystem::create_directories(directory);
}
bool directory_exists(const std::string& directory)
{
return std::filesystem::is_directory(directory);
}
bool directory_is_empty(const std::string& directory)
{
return std::filesystem::is_empty(directory);
}
std::vector<std::string> list_files(const std::string& directory)
{
std::vector<std::string> files;
for (auto& file : std::filesystem::directory_iterator(directory))
{
files.push_back(file.path().generic_string());
}
return files;
}
void copy_folder(const std::filesystem::path& src, const std::filesystem::path& target)
{
std::filesystem::copy(src, target,
std::filesystem::copy_options::overwrite_existing |
std::filesystem::copy_options::recursive);
}
namespace utils::io {
bool remove_file(const std::string& file) {
return DeleteFileA(file.data()) == TRUE;
}
bool move_file(const std::string& src, const std::string& target) {
return MoveFileA(src.data(), target.data()) == TRUE;
}
bool file_exists(const std::string& file) { return std::ifstream(file).good(); }
bool write_file(const std::string& file, const std::string& data,
const bool append) {
const auto pos = file.find_last_of("/\\");
if (pos != std::string::npos) {
create_directory(file.substr(0, pos));
}
std::ofstream stream(file, std::ios::binary | std::ofstream::out |
(append ? std::ofstream::app : 0));
if (stream.is_open()) {
stream.write(data.data(), data.size());
stream.close();
return true;
}
return false;
}
std::string read_file(const std::string& file) {
std::string data;
read_file(file, &data);
return data;
}
bool read_file(const std::string& file, std::string* data) {
if (!data)
return false;
data->clear();
if (file_exists(file)) {
std::ifstream stream(file, std::ios::binary);
if (!stream.is_open())
return false;
stream.seekg(0, std::ios::end);
const std::streamsize size = stream.tellg();
stream.seekg(0, std::ios::beg);
if (size > -1) {
data->resize(static_cast<uint32_t>(size));
stream.read(const_cast<char*>(data->data()), size);
stream.close();
return true;
}
}
return false;
}
size_t file_size(const std::string& file) {
if (file_exists(file)) {
std::ifstream stream(file, std::ios::binary);
if (stream.good()) {
stream.seekg(0, std::ios::end);
return static_cast<size_t>(stream.tellg());
}
}
return 0;
}
bool create_directory(const std::string& directory) {
return std::filesystem::create_directories(directory);
}
bool directory_exists(const std::string& directory) {
return std::filesystem::is_directory(directory);
}
bool directory_is_empty(const std::string& directory) {
return std::filesystem::is_empty(directory);
}
std::vector<std::string> list_files(const std::string& directory) {
std::vector<std::string> files;
for (auto& file : std::filesystem::directory_iterator(directory)) {
files.push_back(file.path().generic_string());
}
return files;
}
void copy_folder(const std::filesystem::path& src,
const std::filesystem::path& target) {
std::filesystem::copy(src, target,
std::filesystem::copy_options::overwrite_existing |
std::filesystem::copy_options::recursive);
}
} // namespace utils::io

33
src/utils/io.hpp
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@ -1,21 +1,22 @@
#pragma once
#include <filesystem>
#include <string>
#include <vector>
#include <filesystem>
namespace utils::io
{
bool remove_file(const std::string& file);
bool move_file(const std::string& src, const std::string& target);
bool file_exists(const std::string& file);
bool write_file(const std::string& file, const std::string& data, bool append = false);
bool read_file(const std::string& file, std::string* data);
std::string read_file(const std::string& file);
size_t file_size(const std::string& file);
bool create_directory(const std::string& directory);
bool directory_exists(const std::string& directory);
bool directory_is_empty(const std::string& directory);
std::vector<std::string> list_files(const std::string& directory);
void copy_folder(const std::filesystem::path& src, const std::filesystem::path& target);
}
namespace utils::io {
bool remove_file(const std::string& file);
bool move_file(const std::string& src, const std::string& target);
bool file_exists(const std::string& file);
bool write_file(const std::string& file, const std::string& data,
bool append = false);
bool read_file(const std::string& file, std::string* data);
std::string read_file(const std::string& file);
size_t file_size(const std::string& file);
bool create_directory(const std::string& directory);
bool directory_exists(const std::string& directory);
bool directory_is_empty(const std::string& directory);
std::vector<std::string> list_files(const std::string& directory);
void copy_folder(const std::filesystem::path& src,
const std::filesystem::path& target);
} // namespace utils::io

283
src/utils/memory.cpp
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@ -1,165 +1,134 @@
#include "memory.hpp"
#include "nt.hpp"
namespace utils
{
memory::allocator memory::mem_allocator_;
namespace utils {
memory::allocator memory::mem_allocator_;
memory::allocator::~allocator()
{
this->clear();
}
memory::allocator::~allocator() { this->clear(); }
void memory::allocator::clear()
{
std::lock_guard _(this->mutex_);
void memory::allocator::clear() {
std::lock_guard _(this->mutex_);
for (auto& data : this->pool_)
{
memory::free(data);
}
for (auto& data : this->pool_) {
memory::free(data);
}
this->pool_.clear();
}
void memory::allocator::free(void* data)
{
std::lock_guard _(this->mutex_);
const auto j = std::find(this->pool_.begin(), this->pool_.end(), data);
if (j != this->pool_.end())
{
memory::free(data);
this->pool_.erase(j);
}
}
void memory::allocator::free(const void* data)
{
this->free(const_cast<void*>(data));
}
void* memory::allocator::allocate(const size_t length)
{
std::lock_guard _(this->mutex_);
const auto data = memory::allocate(length);
this->pool_.push_back(data);
return data;
}
bool memory::allocator::empty() const
{
return this->pool_.empty();
}
char* memory::allocator::duplicate_string(const std::string& string)
{
std::lock_guard _(this->mutex_);
const auto data = memory::duplicate_string(string);
this->pool_.push_back(data);
return data;
}
void* memory::allocate(const size_t length)
{
return calloc(length, 1);
}
char* memory::duplicate_string(const std::string& string)
{
const auto new_string = allocate_array<char>(string.size() + 1);
std::memcpy(new_string, string.data(), string.size());
return new_string;
}
void memory::free(void* data)
{
if (data)
{
::free(data);
}
}
void memory::free(const void* data)
{
free(const_cast<void*>(data));
}
bool memory::is_set(const void* mem, const char chr, const size_t length)
{
const auto mem_arr = static_cast<const char*>(mem);
for (size_t i = 0; i < length; ++i)
{
if (mem_arr[i] != chr)
{
return false;
}
}
return true;
}
bool memory::is_bad_read_ptr(const void* ptr)
{
MEMORY_BASIC_INFORMATION mbi = {};
if (VirtualQuery(ptr, &mbi, sizeof(mbi)))
{
const DWORD mask = (PAGE_READONLY | PAGE_READWRITE | PAGE_WRITECOPY | PAGE_EXECUTE_READ |
PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY);
auto b = !(mbi.Protect & mask);
// check the page is not a guard page
if (mbi.Protect & (PAGE_GUARD | PAGE_NOACCESS)) b = true;
return b;
}
return true;
}
bool memory::is_bad_code_ptr(const void* ptr)
{
MEMORY_BASIC_INFORMATION mbi = {};
if (VirtualQuery(ptr, &mbi, sizeof(mbi)))
{
const DWORD mask = (PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY);
auto b = !(mbi.Protect & mask);
// check the page is not a guard page
if (mbi.Protect & (PAGE_GUARD | PAGE_NOACCESS)) b = true;
return b;
}
return true;
}
bool memory::is_rdata_ptr(void* pointer)
{
const std::string rdata = ".rdata";
const auto pointer_lib = utils::nt::library::get_by_address(pointer);
for (const auto& section : pointer_lib.get_section_headers())
{
const auto size = sizeof(section->Name);
char name[size + 1];
name[size] = 0;
std::memcpy(name, section->Name, size);
if (name == rdata)
{
const auto target = size_t(pointer);
const size_t source_start = size_t(pointer_lib.get_ptr()) + section->PointerToRawData;
const size_t source_end = source_start + section->SizeOfRawData;
return target >= source_start && target <= source_end;
}
}
return false;
}
memory::allocator* memory::get_allocator()
{
return &memory::mem_allocator_;
}
this->pool_.clear();
}
void memory::allocator::free(void* data) {
std::lock_guard _(this->mutex_);
const auto j = std::find(this->pool_.begin(), this->pool_.end(), data);
if (j != this->pool_.end()) {
memory::free(data);
this->pool_.erase(j);
}
}
void memory::allocator::free(const void* data) {
this->free(const_cast<void*>(data));
}
void* memory::allocator::allocate(const size_t length) {
std::lock_guard _(this->mutex_);
const auto data = memory::allocate(length);
this->pool_.push_back(data);
return data;
}
bool memory::allocator::empty() const { return this->pool_.empty(); }
char* memory::allocator::duplicate_string(const std::string& string) {
std::lock_guard _(this->mutex_);
const auto data = memory::duplicate_string(string);
this->pool_.push_back(data);
return data;
}
void* memory::allocate(const size_t length) { return calloc(length, 1); }
char* memory::duplicate_string(const std::string& string) {
const auto new_string = allocate_array<char>(string.size() + 1);
std::memcpy(new_string, string.data(), string.size());
return new_string;
}
void memory::free(void* data) {
if (data) {
::free(data);
}
}
void memory::free(const void* data) { free(const_cast<void*>(data)); }
bool memory::is_set(const void* mem, const char chr, const size_t length) {
const auto mem_arr = static_cast<const char*>(mem);
for (size_t i = 0; i < length; ++i) {
if (mem_arr[i] != chr) {
return false;
}
}
return true;
}
bool memory::is_bad_read_ptr(const void* ptr) {
MEMORY_BASIC_INFORMATION mbi = {};
if (VirtualQuery(ptr, &mbi, sizeof(mbi))) {
const DWORD mask =
(PAGE_READONLY | PAGE_READWRITE | PAGE_WRITECOPY | PAGE_EXECUTE_READ |
PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY);
auto b = !(mbi.Protect & mask);
// check the page is not a guard page
if (mbi.Protect & (PAGE_GUARD | PAGE_NOACCESS))
b = true;
return b;
}
return true;
}
bool memory::is_bad_code_ptr(const void* ptr) {
MEMORY_BASIC_INFORMATION mbi = {};
if (VirtualQuery(ptr, &mbi, sizeof(mbi))) {
const DWORD mask =
(PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY);
auto b = !(mbi.Protect & mask);
// check the page is not a guard page
if (mbi.Protect & (PAGE_GUARD | PAGE_NOACCESS))
b = true;
return b;
}
return true;
}
bool memory::is_rdata_ptr(void* pointer) {
const std::string rdata = ".rdata";
const auto pointer_lib = utils::nt::library::get_by_address(pointer);
for (const auto& section : pointer_lib.get_section_headers()) {
const auto size = sizeof(section->Name);
char name[size + 1];
name[size] = 0;
std::memcpy(name, section->Name, size);
if (name == rdata) {
const auto target = size_t(pointer);
const size_t source_start =
size_t(pointer_lib.get_ptr()) + section->PointerToRawData;
const size_t source_end = source_start + section->SizeOfRawData;
return target >= source_start && target <= source_end;
}
}
return false;
}
memory::allocator* memory::get_allocator() { return &memory::mem_allocator_; }
} // namespace utils

94
src/utils/memory.hpp
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@ -3,73 +3,63 @@
#include <mutex>
#include <vector>
namespace utils
{
class memory final
{
public:
class allocator final
{
public:
~allocator();
namespace utils {
class memory final {
public:
class allocator final {
public:
~allocator();
void clear();
void clear();
void free(void* data);
void free(void* data);
void free(const void* data);
void free(const void* data);
void* allocate(size_t length);
void* allocate(size_t length);
template <typename T>
inline T* allocate()
{
return this->allocate_array<T>(1);
}
template <typename T> inline T* allocate() {
return this->allocate_array<T>(1);
}
template <typename T>
inline T* allocate_array(const size_t count = 1)
{
return static_cast<T*>(this->allocate(count * sizeof(T)));
}
template <typename T> inline T* allocate_array(const size_t count = 1) {
return static_cast<T*>(this->allocate(count * sizeof(T)));
}
bool empty() const;
bool empty() const;
char* duplicate_string(const std::string& string);
char* duplicate_string(const std::string& string);
private:
std::mutex mutex_;
std::vector<void*> pool_;
};
private:
std::mutex mutex_;
std::vector<void*> pool_;
};
static void* allocate(size_t length);
static void* allocate(size_t length);
template <typename T>
static inline T* allocate()
{
return allocate_array<T>(1);
}
template <typename T> static inline T* allocate() {
return allocate_array<T>(1);
}
template <typename T>
static inline T* allocate_array(const size_t count = 1)
{
return static_cast<T*>(allocate(count * sizeof(T)));
}
template <typename T>
static inline T* allocate_array(const size_t count = 1) {
return static_cast<T*>(allocate(count * sizeof(T)));
}
static char* duplicate_string(const std::string& string);
static char* duplicate_string(const std::string& string);
static void free(void* data);
static void free(const void* data);
static void free(void* data);
static void free(const void* data);
static bool is_set(const void* mem, char chr, size_t length);
static bool is_set(const void* mem, char chr, size_t length);
static bool is_bad_read_ptr(const void* ptr);
static bool is_bad_code_ptr(const void* ptr);
static bool is_rdata_ptr(void* ptr);
static bool is_bad_read_ptr(const void* ptr);
static bool is_bad_code_ptr(const void* ptr);
static bool is_rdata_ptr(void* ptr);
static allocator* get_allocator();
static allocator* get_allocator();
private:
static allocator mem_allocator_;
};
}
private:
static allocator mem_allocator_;
};
} // namespace utils

488
src/utils/nt.cpp
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@ -1,254 +1,240 @@
#include "nt.hpp"
namespace utils::nt
{
library library::load(const std::string& name)
{
return library(LoadLibraryA(name.data()));
}
library library::load(const std::filesystem::path& path)
{
return library::load(path.generic_string());
}
library library::get_by_address(void* address)
{
HMODULE handle = nullptr;
GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, static_cast<LPCSTR>(address), &handle);
return library(handle);
}
library::library()
{
this->module_ = GetModuleHandleA(nullptr);
}
library::library(const std::string& name)
{
this->module_ = GetModuleHandleA(name.data());
}
library::library(const HMODULE handle)
{
this->module_ = handle;
}
bool library::operator==(const library& obj) const
{
return this->module_ == obj.module_;
}
library::operator bool() const
{
return this->is_valid();
}
library::operator HMODULE() const
{
return this->get_handle();
}
PIMAGE_NT_HEADERS library::get_nt_headers() const
{
if (!this->is_valid()) return nullptr;
return reinterpret_cast<PIMAGE_NT_HEADERS>(this->get_ptr() + this->get_dos_header()->e_lfanew);
}
PIMAGE_DOS_HEADER library::get_dos_header() const
{
return reinterpret_cast<PIMAGE_DOS_HEADER>(this->get_ptr());
}
PIMAGE_OPTIONAL_HEADER library::get_optional_header() const
{
if (!this->is_valid()) return nullptr;
return &this->get_nt_headers()->OptionalHeader;
}
std::vector<PIMAGE_SECTION_HEADER> library::get_section_headers() const
{
std::vector<PIMAGE_SECTION_HEADER> headers;
auto nt_headers = this->get_nt_headers();
auto section = IMAGE_FIRST_SECTION(nt_headers);
for (uint16_t i = 0; i < nt_headers->FileHeader.NumberOfSections; ++i, ++section)
{
if (section) headers.push_back(section);
else OutputDebugStringA("There was an invalid section :O");
}
return headers;
}
std::uint8_t* library::get_ptr() const
{
return reinterpret_cast<std::uint8_t*>(this->module_);
}
void library::unprotect() const
{
if (!this->is_valid()) return;
DWORD protection;
VirtualProtect(this->get_ptr(), this->get_optional_header()->SizeOfImage, PAGE_EXECUTE_READWRITE,
&protection);
}
size_t library::get_relative_entry_point() const
{
if (!this->is_valid()) return 0;
return this->get_nt_headers()->OptionalHeader.AddressOfEntryPoint;
}
void* library::get_entry_point() const
{
if (!this->is_valid()) return nullptr;
return this->get_ptr() + this->get_relative_entry_point();
}
bool library::is_valid() const
{
return this->module_ != nullptr && this->get_dos_header()->e_magic == IMAGE_DOS_SIGNATURE;
}
std::string library::get_name() const
{
if (!this->is_valid()) return "";
auto path = this->get_path();
const auto pos = path.find_last_of("/\\");
if (pos == std::string::npos) return path;
return path.substr(pos + 1);
}
std::string library::get_path() const
{
if (!this->is_valid()) return "";
char name[MAX_PATH] = {0};
GetModuleFileNameA(this->module_, name, sizeof name);
return name;
}
std::string library::get_folder() const
{
if (!this->is_valid()) return "";
const auto path = std::filesystem::path(this->get_path());
return path.parent_path().generic_string();
}
void library::free()
{
if (this->is_valid())
{
FreeLibrary(this->module_);
this->module_ = nullptr;
}
}
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;
}
void raise_hard_exception()
{
int data = false;
const library ntdll("ntdll.dll");
ntdll.invoke_pascal<void>("RtlAdjustPrivilege", 19, true, false, &data);
ntdll.invoke_pascal<void>("NtRaiseHardError", 0xC000007B, 0, nullptr, nullptr, 6, &data);
}
std::string load_resource(const int id)
{
auto* const res = FindResource(library(), MAKEINTRESOURCE(id), RT_RCDATA);
if (!res) return {};
auto* const handle = LoadResource(nullptr, res);
if (!handle) return {};
return std::string(LPSTR(LockResource(handle)), SizeofResource(nullptr, res));
}
void relaunch_self()
{
const utils::nt::library self;
STARTUPINFOA startup_info;
PROCESS_INFORMATION process_info;
ZeroMemory(&startup_info, sizeof(startup_info));
ZeroMemory(&process_info, sizeof(process_info));
startup_info.cb = sizeof(startup_info);
char current_dir[MAX_PATH];
GetCurrentDirectoryA(sizeof(current_dir), current_dir);
auto* const command_line = GetCommandLineA();
CreateProcessA(self.get_path().data(), command_line, nullptr, nullptr, false, NULL, nullptr, current_dir,
&startup_info, &process_info);
if (process_info.hThread && process_info.hThread != INVALID_HANDLE_VALUE) CloseHandle(process_info.hThread);
if (process_info.hProcess && process_info.hProcess != INVALID_HANDLE_VALUE) CloseHandle(process_info.hProcess);
}
void terminate(const uint32_t code)
{
TerminateProcess(GetCurrentProcess(), code);
}
namespace utils::nt {
library library::load(const std::string& name) {
return library(LoadLibraryA(name.data()));
}
library library::load(const std::filesystem::path& path) {
return library::load(path.generic_string());
}
library library::get_by_address(void* address) {
HMODULE handle = nullptr;
GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
static_cast<LPCSTR>(address), &handle);
return library(handle);
}
library::library() { this->module_ = GetModuleHandleA(nullptr); }
library::library(const std::string& name) {
this->module_ = GetModuleHandleA(name.data());
}
library::library(const HMODULE handle) { this->module_ = handle; }
bool library::operator==(const library& obj) const {
return this->module_ == obj.module_;
}
library::operator bool() const { return this->is_valid(); }
library::operator HMODULE() const { return this->get_handle(); }
PIMAGE_NT_HEADERS library::get_nt_headers() const {
if (!this->is_valid())
return nullptr;
return reinterpret_cast<PIMAGE_NT_HEADERS>(this->get_ptr() +
this->get_dos_header()->e_lfanew);
}
PIMAGE_DOS_HEADER library::get_dos_header() const {
return reinterpret_cast<PIMAGE_DOS_HEADER>(this->get_ptr());
}
PIMAGE_OPTIONAL_HEADER library::get_optional_header() const {
if (!this->is_valid())
return nullptr;
return &this->get_nt_headers()->OptionalHeader;
}
std::vector<PIMAGE_SECTION_HEADER> library::get_section_headers() const {
std::vector<PIMAGE_SECTION_HEADER> headers;
auto nt_headers = this->get_nt_headers();
auto section = IMAGE_FIRST_SECTION(nt_headers);
for (uint16_t i = 0; i < nt_headers->FileHeader.NumberOfSections;
++i, ++section) {
if (section)
headers.push_back(section);
else
OutputDebugStringA("There was an invalid section :O");
}
return headers;
}
std::uint8_t* library::get_ptr() const {
return reinterpret_cast<std::uint8_t*>(this->module_);
}
void library::unprotect() const {
if (!this->is_valid())
return;
DWORD protection;
VirtualProtect(this->get_ptr(), this->get_optional_header()->SizeOfImage,
PAGE_EXECUTE_READWRITE, &protection);
}
size_t library::get_relative_entry_point() const {
if (!this->is_valid())
return 0;
return this->get_nt_headers()->OptionalHeader.AddressOfEntryPoint;
}
void* library::get_entry_point() const {
if (!this->is_valid())
return nullptr;
return this->get_ptr() + this->get_relative_entry_point();
}
bool library::is_valid() const {
return this->module_ != nullptr &&
this->get_dos_header()->e_magic == IMAGE_DOS_SIGNATURE;
}
std::string library::get_name() const {
if (!this->is_valid())
return "";
auto path = this->get_path();
const auto pos = path.find_last_of("/\\");
if (pos == std::string::npos)
return path;
return path.substr(pos + 1);
}
std::string library::get_path() const {
if (!this->is_valid())
return "";
char name[MAX_PATH] = {0};
GetModuleFileNameA(this->module_, name, sizeof name);
return name;
}
std::string library::get_folder() const {
if (!this->is_valid())
return "";
const auto path = std::filesystem::path(this->get_path());
return path.parent_path().generic_string();
}
void library::free() {
if (this->is_valid()) {
FreeLibrary(this->module_);
this->module_ = nullptr;
}
}
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;
}
void raise_hard_exception() {
int data = false;
const library ntdll("ntdll.dll");
ntdll.invoke_pascal<void>("RtlAdjustPrivilege", 19, true, false, &data);
ntdll.invoke_pascal<void>("NtRaiseHardError", 0xC000007B, 0, nullptr, nullptr,
6, &data);
}
std::string load_resource(const int id) {
auto* const res = FindResource(library(), MAKEINTRESOURCE(id), RT_RCDATA);
if (!res)
return {};
auto* const handle = LoadResource(nullptr, res);
if (!handle)
return {};
return std::string(LPSTR(LockResource(handle)), SizeofResource(nullptr, res));
}
void relaunch_self() {
const utils::nt::library self;
STARTUPINFOA startup_info;
PROCESS_INFORMATION process_info;
ZeroMemory(&startup_info, sizeof(startup_info));
ZeroMemory(&process_info, sizeof(process_info));
startup_info.cb = sizeof(startup_info);
char current_dir[MAX_PATH];
GetCurrentDirectoryA(sizeof(current_dir), current_dir);
auto* const command_line = GetCommandLineA();
CreateProcessA(self.get_path().data(), command_line, nullptr, nullptr, false,
NULL, nullptr, current_dir, &startup_info, &process_info);
if (process_info.hThread && process_info.hThread != INVALID_HANDLE_VALUE)
CloseHandle(process_info.hThread);
if (process_info.hProcess && process_info.hProcess != INVALID_HANDLE_VALUE)
CloseHandle(process_info.hProcess);
}
void terminate(const uint32_t code) {
TerminateProcess(GetCurrentProcess(), code);
}
} // namespace utils::nt

148
src/utils/nt.hpp
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@ -12,99 +12,95 @@
#undef min
#endif
#include <string>
#include <functional>
#include <filesystem>
#include <functional>
#include <string>
namespace utils::nt
{
class library final
{
public:
static library load(const std::string& name);
static library load(const std::filesystem::path& path);
static library get_by_address(void* address);
namespace utils::nt {
class library final {
public:
static library load(const std::string& name);
static library load(const std::filesystem::path& path);
static library get_by_address(void* address);
library();
explicit library(const std::string& name);
explicit library(HMODULE handle);
library();
explicit library(const std::string& name);
explicit library(HMODULE handle);
library(const library& a) : module_(a.module_)
{
}
library(const library& a) : module_(a.module_) {}
bool operator!=(const library& obj) const { return !(*this == obj); };
bool operator==(const library& obj) const;
bool operator!=(const library& obj) const { return !(*this == obj); };
bool operator==(const library& obj) const;
operator bool() const;
operator HMODULE() const;
operator bool() const;
operator HMODULE() const;
void unprotect() const;
void* get_entry_point() const;
size_t get_relative_entry_point() const;
void unprotect() const;
void* get_entry_point() const;
size_t get_relative_entry_point() const;
bool is_valid() const;
std::string get_name() const;
std::string get_path() const;
std::string get_folder() const;
std::uint8_t* get_ptr() const;
void free();
bool is_valid() const;
std::string get_name() const;
std::string get_path() const;
std::string get_folder() const;
std::uint8_t* get_ptr() const;
void free();
HMODULE get_handle() const;
HMODULE get_handle() const;
template <typename T>
T get_proc(const std::string& process) const
{
if (!this->is_valid()) T{};
return reinterpret_cast<T>(GetProcAddress(this->module_, process.data()));
}
template <typename T> T get_proc(const std::string& process) const {
if (!this->is_valid())
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 static_cast<T*>(this->get_proc<void*>(process));
}
template <typename T> std::function<T> get(const std::string& process) const {
if (!this->is_valid())
return std::function<T>();
return static_cast<T*>(this->get_proc<void*>(process));
}
template <typename T, typename... Args>
T invoke(const std::string& process, Args ... args) const
{
auto method = this->get<T(__cdecl)(Args ...)>(process);
if (method) return method(args...);
return T();
}
template <typename T, typename... Args>
T invoke(const std::string& process, Args... args) const {
auto method = this->get<T(__cdecl)(Args...)>(process);
if (method)
return method(args...);
return T();
}
template <typename T, typename... Args>
T invoke_pascal(const std::string& process, Args ... args) const
{
auto method = this->get<T(__stdcall)(Args ...)>(process);
if (method) return method(args...);
return T();
}
template <typename T, typename... Args>
T invoke_pascal(const std::string& process, Args... args) const {
auto method = this->get<T(__stdcall)(Args...)>(process);
if (method)
return method(args...);
return T();
}
template <typename T, typename... Args>
T invoke_this(const std::string& process, void* this_ptr, Args ... args) const
{
auto method = this->get<T(__thiscall)(void*, Args ...)>(this_ptr, process);
if (method) return method(args...);
return T();
}
template <typename T, typename... Args>
T invoke_this(const std::string& process, void* this_ptr,
Args... args) const {
auto method = this->get<T(__thiscall)(void*, Args...)>(this_ptr, process);
if (method)
return method(args...);
return T();
}
std::vector<PIMAGE_SECTION_HEADER> get_section_headers() const;
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;
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;
void** get_iat_entry(const std::string& module_name,
const std::string& proc_name) const;
private:
HMODULE module_;
};
private:
HMODULE module_;
};
__declspec(noreturn) void raise_hard_exception();
std::string load_resource(int id);
__declspec(noreturn) void raise_hard_exception();
std::string load_resource(int id);
void relaunch_self();
__declspec(noreturn) void terminate(uint32_t code = 0);
}
void relaunch_self();
__declspec(noreturn) void terminate(uint32_t code = 0);
} // namespace utils::nt

371
src/utils/signature.cpp
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@ -1,212 +1,191 @@
#include "signature.hpp"
#include <thread>
#include <mutex>
#include <thread>
#include <intrin.h>
namespace utils::hook
{
void signature::load_pattern(const std::string& pattern)
{
this->mask_.clear();
this->pattern_.clear();
namespace utils::hook {
void signature::load_pattern(const std::string& pattern) {
this->mask_.clear();
this->pattern_.clear();
uint8_t nibble = 0;
auto has_nibble = false;
uint8_t nibble = 0;
auto has_nibble = false;
for (auto val : pattern)
{
if (val == ' ') continue;
if (val == '?')
{
this->mask_.push_back(val);
this->pattern_.push_back(0);
}
else
{
if ((val < '0' || val > '9') && (val < 'A' || val > 'F') && (val < 'a' || val > 'f'))
{
throw std::runtime_error("Invalid pattern");
}
for (auto val : pattern) {
if (val == ' ')
continue;
if (val == '?') {
this->mask_.push_back(val);
this->pattern_.push_back(0);
} else {
if ((val < '0' || val > '9') && (val < 'A' || val > 'F') &&
(val < 'a' || val > 'f')) {
throw std::runtime_error("Invalid pattern");
}
char str[] = {val, 0};
const auto current_nibble = static_cast<uint8_t>(strtol(str, nullptr, 16));
char str[] = {val, 0};
const auto current_nibble =
static_cast<uint8_t>(strtol(str, nullptr, 16));
if (!has_nibble)
{
has_nibble = true;
nibble = current_nibble;
}
else
{
has_nibble = false;
const uint8_t byte = current_nibble | (nibble << 4);
if (!has_nibble) {
has_nibble = true;
nibble = current_nibble;
} else {
has_nibble = false;
const uint8_t byte = current_nibble | (nibble << 4);
this->mask_.push_back('x');
this->pattern_.push_back(byte);
}
}
}
this->mask_.push_back('x');
this->pattern_.push_back(byte);
}
}
}
while (!this->mask_.empty() && this->mask_.back() == '?')
{
this->mask_.pop_back();
this->pattern_.pop_back();
}
while (!this->mask_.empty() && this->mask_.back() == '?') {
this->mask_.pop_back();
this->pattern_.pop_back();
}
if (this->has_sse_support())
{
while (this->pattern_.size() < 16)
{
this->pattern_.push_back(0);
}
}
if (this->has_sse_support()) {
while (this->pattern_.size() < 16) {
this->pattern_.push_back(0);
}
}
if (has_nibble)
{
throw std::runtime_error("Invalid pattern");
}
}
std::vector<size_t> signature::process_range(uint8_t* start, const size_t length) const
{
if (this->has_sse_support()) return this->process_range_vectorized(start, length);
return this->process_range_linear(start, length);
}
std::vector<size_t> signature::process_range_linear(uint8_t* start, const size_t length) const
{
std::vector<size_t> result;
for (size_t i = 0; i < length; ++i)
{
const auto address = start + i;
size_t j = 0;
for (; j < this->mask_.size(); ++j)
{
if (this->mask_[j] != '?' && this->pattern_[j] != address[j])
{
break;
}
}
if (j == this->mask_.size())
{
result.push_back(size_t(address));
}
}
return result;
}
std::vector<size_t> signature::process_range_vectorized(uint8_t* start, const size_t length) const
{
std::vector<size_t> result;
__declspec(align(16)) char desired_mask[16] = {0};
for (size_t i = 0; i < this->mask_.size(); i++)
{
desired_mask[i / 8] |= (this->mask_[i] == '?' ? 0 : 1) << i % 8;
}
const auto mask = _mm_load_si128(reinterpret_cast<const __m128i*>(desired_mask));
const auto comparand = _mm_loadu_si128(reinterpret_cast<const __m128i*>(this->pattern_.data()));
for (size_t i = 0; i < length; ++i)
{
const auto address = start + i;
const auto value = _mm_loadu_si128(reinterpret_cast<const __m128i*>(address));
const auto comparison = _mm_cmpestrm(value, 16, comparand, static_cast<int>(this->mask_.size()),
_SIDD_CMP_EQUAL_EACH);
const auto matches = _mm_and_si128(mask, comparison);
const auto equivalence = _mm_xor_si128(mask, matches);
if (_mm_test_all_zeros(equivalence, equivalence))
{
result.push_back(size_t(address));
}
}
return result;
}
signature::signature_result signature::process() const
{
const auto range = this->length_ - this->mask_.size();
const auto cores = std::max(1u, std::thread::hardware_concurrency());
if (range <= cores * 10ull) return this->process_serial();
return this->process_parallel();
}
signature::signature_result signature::process_serial() const
{
const auto sub = this->has_sse_support() ? 16 : this->mask_.size();
return {this->process_range(this->start_, this->length_ - sub)};
}
signature::signature_result signature::process_parallel() const
{
const auto sub = this->has_sse_support() ? 16 : this->mask_.size();
const auto range = this->length_ - sub;
const auto cores = std::max(1u, std::thread::hardware_concurrency() / 2);
// Only use half of the available cores
const auto grid = range / cores;
std::mutex mutex;
std::vector<size_t> result;
std::vector<std::thread> threads;
for (auto i = 0u; i < cores; ++i)
{
const auto start = this->start_ + (grid * i);
const auto length = (i + 1 == cores) ? (this->start_ + this->length_ - sub) - start : grid;
threads.emplace_back([&, start, length]()
{
auto local_result = this->process_range(start, length);
if (local_result.empty()) return;
std::lock_guard _(mutex);
for (const auto& address : local_result)
{
result.push_back(address);
}
});
}
for (auto& t : threads)
{
if (t.joinable())
{
t.join();
}
}
std::sort(result.begin(), result.end());
return {std::move(result)};
}
bool signature::has_sse_support() const
{
if (this->mask_.size() <= 16)
{
int cpu_id[4];
__cpuid(cpu_id, 0);
if (cpu_id[0] >= 1)
{
__cpuidex(cpu_id, 1, 0);
return (cpu_id[2] & (1 << 20)) != 0;
}
}
return false;
}
if (has_nibble) {
throw std::runtime_error("Invalid pattern");
}
}
utils::hook::signature::signature_result operator"" _sig(const char* str, const size_t len)
{
return utils::hook::signature(std::string(str, len)).process();
std::vector<size_t> signature::process_range(uint8_t* start,
const size_t length) const {
if (this->has_sse_support())
return this->process_range_vectorized(start, length);
return this->process_range_linear(start, length);
}
std::vector<size_t> signature::process_range_linear(uint8_t* start,
const size_t length) const {
std::vector<size_t> result;
for (size_t i = 0; i < length; ++i) {
const auto address = start + i;
size_t j = 0;
for (; j < this->mask_.size(); ++j) {
if (this->mask_[j] != '?' && this->pattern_[j] != address[j]) {
break;
}
}
if (j == this->mask_.size()) {
result.push_back(size_t(address));
}
}
return result;
}
std::vector<size_t>
signature::process_range_vectorized(uint8_t* start, const size_t length) const {
std::vector<size_t> result;
__declspec(align(16)) char desired_mask[16] = {0};
for (size_t i = 0; i < this->mask_.size(); i++) {
desired_mask[i / 8] |= (this->mask_[i] == '?' ? 0 : 1) << i % 8;
}
const auto mask =
_mm_load_si128(reinterpret_cast<const __m128i*>(desired_mask));
const auto comparand =
_mm_loadu_si128(reinterpret_cast<const __m128i*>(this->pattern_.data()));
for (size_t i = 0; i < length; ++i) {
const auto address = start + i;
const auto value =
_mm_loadu_si128(reinterpret_cast<const __m128i*>(address));
const auto comparison =
_mm_cmpestrm(value, 16, comparand, static_cast<int>(this->mask_.size()),
_SIDD_CMP_EQUAL_EACH);
const auto matches = _mm_and_si128(mask, comparison);
const auto equivalence = _mm_xor_si128(mask, matches);
if (_mm_test_all_zeros(equivalence, equivalence)) {
result.push_back(size_t(address));
}
}
return result;
}
signature::signature_result signature::process() const {
const auto range = this->length_ - this->mask_.size();
const auto cores = std::max(1u, std::thread::hardware_concurrency());
if (range <= cores * 10ull)
return this->process_serial();
return this->process_parallel();
}
signature::signature_result signature::process_serial() const {
const auto sub = this->has_sse_support() ? 16 : this->mask_.size();
return {this->process_range(this->start_, this->length_ - sub)};
}
signature::signature_result signature::process_parallel() const {
const auto sub = this->has_sse_support() ? 16 : this->mask_.size();
const auto range = this->length_ - sub;
const auto cores = std::max(1u, std::thread::hardware_concurrency() / 2);
// Only use half of the available cores
const auto grid = range / cores;
std::mutex mutex;
std::vector<size_t> result;
std::vector<std::thread> threads;
for (auto i = 0u; i < cores; ++i) {
const auto start = this->start_ + (grid * i);
const auto length =
(i + 1 == cores) ? (this->start_ + this->length_ - sub) - start : grid;
threads.emplace_back([&, start, length]() {
auto local_result = this->process_range(start, length);
if (local_result.empty())
return;
std::lock_guard _(mutex);
for (const auto& address : local_result) {
result.push_back(address);
}
});
}
for (auto& t : threads) {
if (t.joinable()) {
t.join();
}
}
std::sort(result.begin(), result.end());
return {std::move(result)};
}
bool signature::has_sse_support() const {
if (this->mask_.size() <= 16) {
int cpu_id[4];
__cpuid(cpu_id, 0);
if (cpu_id[0] >= 1) {
__cpuidex(cpu_id, 1, 0);
return (cpu_id[2] & (1 << 20)) != 0;
}
}
return false;
}
} // namespace utils::hook
utils::hook::signature::signature_result operator"" _sig(const char* str,
const size_t len) {
return utils::hook::signature(std::string(str, len)).process();
}

99
src/utils/signature.hpp
View File

@ -2,72 +2,61 @@
#include "nt.hpp"
#include <cstdint>
namespace utils::hook
{
class signature final
{
public:
class signature_result
{
public:
signature_result(std::vector<size_t>&& matches) : matches_(std::move(matches))
{
}
namespace utils::hook {
class signature final {
public:
class signature_result {
public:
signature_result(std::vector<size_t>&& matches)
: matches_(std::move(matches)) {}
[[nodiscard]] uint8_t* get(const size_t index) const
{
if (index >= this->count())
{
throw std::runtime_error("Invalid index");
}
[[nodiscard]] uint8_t* get(const size_t index) const {
if (index >= this->count()) {
throw std::runtime_error("Invalid index");
}
return reinterpret_cast<uint8_t*>(this->matches_[index]);
}
return reinterpret_cast<uint8_t*>(this->matches_[index]);
}
[[nodiscard]] size_t count() const
{
return this->matches_.size();
}
[[nodiscard]] size_t count() const { return this->matches_.size(); }
private:
std::vector<size_t> matches_;
};
private:
std::vector<size_t> matches_;
};
explicit signature(const std::string& pattern, const nt::library library = {})
: signature(pattern, library.get_ptr(), library.get_optional_header()->SizeOfImage)
{
}
explicit signature(const std::string& pattern, const nt::library library = {})
: signature(pattern, library.get_ptr(),
library.get_optional_header()->SizeOfImage) {}
signature(const std::string& pattern, void* start, void* end)
: signature(pattern, start, size_t(end) - size_t(start))
{
}
signature(const std::string& pattern, void* start, void* end)
: signature(pattern, start, size_t(end) - size_t(start)) {}
signature(const std::string& pattern, void* start, const size_t length)
: start_(static_cast<uint8_t*>(start)), length_(length)
{
this->load_pattern(pattern);
}
signature(const std::string& pattern, void* start, const size_t length)
: start_(static_cast<uint8_t*>(start)), length_(length) {
this->load_pattern(pattern);
}
signature_result process() const;
signature_result process() const;
private:
std::string mask_;
std::basic_string<uint8_t> pattern_;
private:
std::string mask_;
std::basic_string<uint8_t> pattern_;
uint8_t* start_;
size_t length_;
uint8_t* start_;
size_t length_;
void load_pattern(const std::string& pattern);
void load_pattern(const std::string& pattern);
signature_result process_parallel() const;
signature_result process_serial() const;
std::vector<size_t> process_range(uint8_t* start, size_t length) const;
std::vector<size_t> process_range_linear(uint8_t* start, size_t length) const;
std::vector<size_t> process_range_vectorized(uint8_t* start, size_t length) const;
signature_result process_parallel() const;
signature_result process_serial() const;
std::vector<size_t> process_range(uint8_t* start, size_t length) const;
std::vector<size_t> process_range_linear(uint8_t* start, size_t length) const;
std::vector<size_t> process_range_vectorized(uint8_t* start,
size_t length) const;
bool has_sse_support() const;
};
}
bool has_sse_support() const;
};
} // namespace utils::hook
utils::hook::signature::signature_result operator"" _sig(const char* str, size_t len);
utils::hook::signature::signature_result operator"" _sig(const char* str,
size_t len);

312
src/utils/string.cpp
View File

@ -1,179 +1,151 @@
#include "string.hpp"
#include <sstream>
#include <cstdarg>
#include <algorithm>
#include <cstdarg>
#include <sstream>
#include "nt.hpp"
namespace utils::string
{
const char* va(const char* fmt, ...)
{
static thread_local va_provider<8, 256> provider;
namespace utils::string {
const char* va(const char* fmt, ...) {
static thread_local va_provider<8, 256> provider;
va_list ap;
va_start(ap, fmt);
va_list ap;
va_start(ap, fmt);
const char* result = provider.get(fmt, ap);
const char* result = provider.get(fmt, ap);
va_end(ap);
return result;
}
std::vector<std::string> split(const std::string& s, const char delim)
{
std::stringstream ss(s);
std::string item;
std::vector<std::string> elems;
while (std::getline(ss, item, delim))
{
elems.push_back(item); // elems.push_back(std::move(item)); // if C++11 (based on comment from @mchiasson)
}
return elems;
}
std::string to_lower(std::string text)
{
std::transform(text.begin(), text.end(), text.begin(), [](const char input)
{
return static_cast<char>(tolower(input));
});
return text;
}
std::string to_upper(std::string text)
{
std::transform(text.begin(), text.end(), text.begin(), [](const char input)
{
return static_cast<char>(toupper(input));
});
return text;
}
bool starts_with(const std::string& text, const std::string& substring)
{
return text.find(substring) == 0;
}
bool ends_with(const std::string& text, const std::string& substring)
{
if (substring.size() > text.size()) return false;
return std::equal(substring.rbegin(), substring.rend(), text.rbegin());
}
std::string dump_hex(const std::string& data, const std::string& separator)
{
std::string result;
for (unsigned int i = 0; i < data.size(); ++i)
{
if (i > 0)
{
result.append(separator);
}
result.append(va("%02X", data[i] & 0xFF));
}
return result;
}
std::string get_clipboard_data()
{
if (OpenClipboard(nullptr))
{
std::string data;
auto* const clipboard_data = GetClipboardData(1u);
if (clipboard_data)
{
auto* const cliptext = static_cast<char*>(GlobalLock(clipboard_data));
if (cliptext)
{
data.append(cliptext);
GlobalUnlock(clipboard_data);
}
}
CloseClipboard();
return data;
}
return {};
}
void strip(const char* in, char* out, int max)
{
if (!in || !out) return;
max--;
auto current = 0;
while (*in != 0 && current < max)
{
const auto color_index = (*(in + 1) - 48) >= 0xC ? 7 : (*(in + 1) - 48);
if (*in == '^' && (color_index != 7 || *(in + 1) == '7'))
{
++in;
}
else
{
*out = *in;
++out;
++current;
}
++in;
}
*out = '\0';
}
#pragma warning(push)
#pragma warning(disable: 4100)
std::string convert(const std::wstring& wstr)
{
std::string result;
result.reserve(wstr.size());
for (const auto& chr : wstr)
{
result.push_back(static_cast<char>(chr));
}
return result;
}
std::wstring convert(const std::string& str)
{
std::wstring result;
result.reserve(str.size());
for (const auto& chr : str)
{
result.push_back(static_cast<wchar_t>(chr));
}
return result;
}
#pragma warning(pop)
std::string replace(std::string str, const std::string& from, const std::string& to)
{
if (from.empty())
{
return str;
}
size_t start_pos = 0;
while ((start_pos = str.find(from, start_pos)) != std::string::npos)
{
str.replace(start_pos, from.length(), to);
start_pos += to.length();
}
return str;
}
va_end(ap);
return result;
}
std::vector<std::string> split(const std::string& s, const char delim) {
std::stringstream ss(s);
std::string item;
std::vector<std::string> elems;
while (std::getline(ss, item, delim)) {
elems.push_back(item); // elems.push_back(std::move(item)); // if C++11
// (based on comment from @mchiasson)
}
return elems;
}
std::string to_lower(std::string text) {
std::transform(text.begin(), text.end(), text.begin(), [](const char input) {
return static_cast<char>(tolower(input));
});
return text;
}
std::string to_upper(std::string text) {
std::transform(text.begin(), text.end(), text.begin(), [](const char input) {
return static_cast<char>(toupper(input));
});
return text;
}
bool starts_with(const std::string& text, const std::string& substring) {
return text.find(substring) == 0;
}
bool ends_with(const std::string& text, const std::string& substring) {
if (substring.size() > text.size())
return false;
return std::equal(substring.rbegin(), substring.rend(), text.rbegin());
}
std::string dump_hex(const std::string& data, const std::string& separator) {
std::string result;
for (unsigned int i = 0; i < data.size(); ++i) {
if (i > 0) {
result.append(separator);
}
result.append(va("%02X", data[i] & 0xFF));
}
return result;
}
std::string get_clipboard_data() {
if (OpenClipboard(nullptr)) {
std::string data;
auto* const clipboard_data = GetClipboardData(1u);
if (clipboard_data) {
auto* const cliptext = static_cast<char*>(GlobalLock(clipboard_data));
if (cliptext) {
data.append(cliptext);
GlobalUnlock(clipboard_data);
}
}
CloseClipboard();
return data;
}
return {};
}
void strip(const char* in, char* out, int max) {
if (!in || !out)
return;
max--;
auto current = 0;
while (*in != 0 && current < max) {
const auto color_index = (*(in + 1) - 48) >= 0xC ? 7 : (*(in + 1) - 48);
if (*in == '^' && (color_index != 7 || *(in + 1) == '7')) {
++in;
} else {
*out = *in;
++out;
++current;
}
++in;
}
*out = '\0';
}
std::string convert(const std::wstring& wstr) {
std::string result;
result.reserve(wstr.size());
for (const auto& chr : wstr) {
result.push_back(static_cast<char>(chr));
}
return result;
}
std::wstring convert(const std::string& str) {
std::wstring result;
result.reserve(str.size());
for (const auto& chr : str) {
result.push_back(static_cast<wchar_t>(chr));
}
return result;
}
std::string replace(std::string str, const std::string& from,
const std::string& to) {
if (from.empty()) {
return str;
}
size_t start_pos = 0;
while ((start_pos = str.find(from, start_pos)) != std::string::npos) {
str.replace(start_pos, from.length(), to);
start_pos += to.length();
}
return str;
}
} // namespace utils::string

143
src/utils/string.hpp
View File

@ -3,98 +3,95 @@
#include <cstdint>
#ifndef ARRAYSIZE
template <class Type, size_t n>
size_t ARRAYSIZE(Type(&)[n]) { return n; }
template <class Type, size_t n> size_t ARRAYSIZE(Type (&)[n]) { return n; }
#endif
namespace utils::string
{
template <size_t Buffers, size_t MinBufferSize>
class va_provider final
{
public:
static_assert(Buffers != 0 && MinBufferSize != 0, "Buffers and MinBufferSize mustn't be 0");
namespace utils::string {
template <size_t Buffers, size_t MinBufferSize> class va_provider final {
public:
static_assert(Buffers != 0 && MinBufferSize != 0,
"Buffers and MinBufferSize mustn't be 0");
va_provider() : current_buffer_(0)
{
}
va_provider() : current_buffer_(0) {}
char* get(const char* format, const va_list ap)
{
++this->current_buffer_ %= ARRAYSIZE(this->string_pool_);
auto entry = &this->string_pool_[this->current_buffer_];
char* get(const char* format, const va_list ap) {
++this->current_buffer_ %= ARRAYSIZE(this->string_pool_);
auto entry = &this->string_pool_[this->current_buffer_];
if (!entry->size || !entry->buffer)
{
throw std::runtime_error("String pool not initialized");
}
if (!entry->size || !entry->buffer) {
throw std::runtime_error("String pool not initialized");
}
while (true)
{
const int res = vsnprintf_s(entry->buffer, entry->size, _TRUNCATE, format, ap);
if (res > 0) break; // Success
if (res == 0) return nullptr; // Error
while (true) {
const int res =
vsnprintf_s(entry->buffer, entry->size, _TRUNCATE, format, ap);
if (res > 0)
break; // Success
if (res == 0)
return nullptr; // Error
entry->double_size();
}
entry->double_size();
}
return entry->buffer;
}
return entry->buffer;
}
private:
class entry final
{
public:
explicit entry(const size_t _size = MinBufferSize) : size(_size), buffer(nullptr)
{
if (this->size < MinBufferSize) this->size = MinBufferSize;
this->allocate();
}
private:
class entry final {
public:
explicit entry(const size_t _size = MinBufferSize)
: size(_size), buffer(nullptr) {
if (this->size < MinBufferSize)
this->size = MinBufferSize;
this->allocate();
}
~entry()
{
if (this->buffer) memory::get_allocator()->free(this->buffer);
this->size = 0;
this->buffer = nullptr;
}
~entry() {
if (this->buffer)
memory::get_allocator()->free(this->buffer);
this->size = 0;
this->buffer = nullptr;
}
void allocate()
{
if (this->buffer) memory::get_allocator()->free(this->buffer);
this->buffer = memory::get_allocator()->allocate_array<char>(this->size + 1);
}
void allocate() {
if (this->buffer)
memory::get_allocator()->free(this->buffer);
this->buffer =
memory::get_allocator()->allocate_array<char>(this->size + 1);
}
void double_size()
{
this->size *= 2;
this->allocate();
}
void double_size() {
this->size *= 2;
this->allocate();
}
size_t size;
char* buffer;
};
size_t size;
char* buffer;
};
size_t current_buffer_;
entry string_pool_[Buffers];
};
size_t current_buffer_;
entry string_pool_[Buffers];
};
const char* va(const char* fmt, ...);
const char* va(const char* fmt, ...);
std::vector<std::string> split(const std::string& s, char delim);
std::vector<std::string> split(const std::string& s, char delim);
std::string to_lower(std::string text);
std::string to_upper(std::string text);
bool starts_with(const std::string& text, const std::string& substring);
bool ends_with(const std::string& text, const std::string& substring);
std::string to_lower(std::string text);
std::string to_upper(std::string text);
bool starts_with(const std::string& text, const std::string& substring);
bool ends_with(const std::string& text, const std::string& substring);
std::string dump_hex(const std::string& data, const std::string& separator = " ");
std::string dump_hex(const std::string& data,
const std::string& separator = " ");
std::string get_clipboard_data();
std::string get_clipboard_data();
void strip(const char* in, char* out, int max);
void strip(const char* in, char* out, int max);
std::string convert(const std::wstring& wstr);
std::wstring convert(const std::string& str);
std::string convert(const std::wstring& wstr);
std::wstring convert(const std::string& str);
std::string replace(std::string str, const std::string& from, const std::string& to);
}
std::string replace(std::string str, const std::string& from,
const std::string& to);
} // namespace utils::string