mirror of https://github.com/Thracky/GlosSI
Gnar.
Peter Repukat
3 years ago
parent
ee5199664c
commit
9de5585f4e
@ -1,3 +1,9 @@
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[submodule "deps/SFML"]
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path = deps/SFML
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url = https://github.com/Alia5/SFML
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[submodule "deps/WinReg"]
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path = deps/WinReg
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url = https://github.com/GiovanniDicanio/WinReg
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[submodule "deps/spdlog"]
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path = deps/spdlog
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url = https://github.com/gabime/spdlog
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@ -0,0 +1,97 @@
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/*
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Copyright 2021 Peter Repukat - FlatspotSoftware
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "OverlayDetector.h"
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#include <spdlog/spdlog.h>
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#ifdef _WIN32
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#include <Psapi.h>
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#define NOMINMAX
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#include <Windows.h>
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#endif
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OverlayDetector::OverlayDetector(std::function<void(bool)> overlay_changed)
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: overlay_changed_(std::move(overlay_changed))
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{
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auto addr_open = findFunctionByPattern(overlay_module_name_, open_func_sig_, open_func_mask_);
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auto addr_close = findFunctionByPattern(overlay_module_name_, close_func_sig_, close_func_mask_);
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spdlog::info("Overlay opened function: {0:x}", addr_open);
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spdlog::info("Overlay closed function: {0:x}", addr_close);
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}
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void OverlayDetector::update()
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{
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}
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uint64_t OverlayDetector::findFunctionByPattern(
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const std::string_view &mod_name,
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const char pattern[],
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const std::string_view &mask) const
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{
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#ifdef _WIN32
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MODULEINFO mod_info = {NULL};
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const HMODULE mod = GetModuleHandleA(mod_name.data());
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if (mod == nullptr) {
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spdlog::error("{} not found!", overlay_module_name_);
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return 0;
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}
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GetModuleInformation(GetCurrentProcess(), mod, &mod_info, sizeof(MODULEINFO));
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auto base_addr = reinterpret_cast<uint64_t>(mod_info.lpBaseOfDll);
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if (base_addr == 0)
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return NULL;
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spdlog::debug("overlay module found at: {:x}", base_addr);
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const uint64_t mod_size = mod_info.SizeOfImage;
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const auto pat_length = mask.size();
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uint64_t pattern_addr = 0;
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for (uint64_t i = 0; i < mod_size - pat_length; i++) {
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bool found = true;
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for (uint64_t j = 0; j < pat_length; j++)
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found &= mask[j] == '?' || pattern[j] == *reinterpret_cast<char *>(base_addr + j + i);
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if (found)
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pattern_addr = base_addr + i;
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}
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if (pattern_addr == 0)
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return 0;
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spdlog::debug("signature found at: {:x}", pattern_addr);
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constexpr char start_fn_bytes[] = "\x40\x53";
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for (auto i = pattern_addr; i > base_addr; i--) {
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bool found = true;
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for (uint64_t j = 0; j < 2; j++)
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found &= start_fn_bytes[j] == *reinterpret_cast<char *>(i + j);
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if (found)
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return i;
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}
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return 0;
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#else
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#endif
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}
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@ -0,0 +1,45 @@
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/*
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Copyright 2021 Peter Repukat - FlatspotSoftware
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#pragma once
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#include <functional>
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#include <string>
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class OverlayDetector {
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public:
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explicit OverlayDetector(std::function<void(bool)> overlay_changed = [](bool) {});
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void update();
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private:
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std::function<void(bool)> overlay_changed_;
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uint64_t findFunctionByPattern(
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const std::string_view &mod_name,
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const char pattern[],
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const std::string_view &mask) const;
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#ifdef _WIN32
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static constexpr std::string_view overlay_module_name_ = "GameOverlayRenderer64.dll";
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static constexpr char open_func_sig_[] = "\xC6\x41\x5C\x01\x48\x8D\x4C\x24\x30";
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static constexpr std::string_view open_func_mask_ = "xxxxxxxxx";
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static constexpr char close_func_sig_[] = "\xC6\x41\x5C\x00\x48\x8D\x4C\x24\x40";
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static constexpr std::string_view close_func_mask_ = "xxxxxxxxx";
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#else
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#endif
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};
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@ -0,0 +1 @@
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Subproject commit 023ad61dc77c83407e7ae061f177a3ba3d3941e6
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@ -0,0 +1 @@
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Subproject commit 8826011c81b69e1f8427be520b357c19c74ea480
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