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// Copyright (C) 2021-2023 Fuwn
// SPDX-License-Identifier: GPL-3.0-only
#include <soyuz/library.hh>
#include <Windows.h>
#include <cstdio>
#include <fmt/format.h>
#include <fmt/os.h>
#include <memory>
#include <string>
#include <soyuz/soyuz.hh>
#include <soyuz/tray.hh>
#include <soyuz/windows.hh>
namespace soyuz {
fmt::ostream log_file = fmt::output_file("soyuz.log");
static auto CALLBACK enum_windows_proc(HWND hwnd, LPARAM lparam) -> BOOL {
int length = GetWindowTextLength(hwnd);
auto title = new CHAR[length + 1];
GetWindowText(hwnd, title, length);
if (strstr(title, LUNAR_WINDOW_NAME_BASE)) {
*((HWND *)lparam) = hwnd;
delete[] title;
return FALSE;
}
delete[] title;
return TRUE;
}
auto find_lunar() -> DWORD {
HWND window = nullptr;
DWORD pid;
EnumWindows(enum_windows_proc, (LPARAM)&window);
int length = GetWindowTextLength(window);
auto title = new CHAR[length + 1];
GetWindowText(window, title, length);
GetWindowThreadProcessId(window, &pid);
return pid;
}
auto delete_handle(DWORD pid) -> int {
HANDLE lunar =
OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_DUP_HANDLE, FALSE, pid);
ULONG size = 1 << 10;
std::unique_ptr<BYTE[]> buffer;
if (!lunar) {
soyuz::log(soyuz::log_level::LOG_LEVEL_WARN,
fmt::format("could not open handle to lunar client: {}",
GetLastError()));
return 1;
}
for (;;) {
buffer = std::make_unique<BYTE[]>(size);
NTSTATUS status = NtQueryInformationProcess(lunar, ProcessHandleInformation,
buffer.get(), size, &size);
if (NT_SUCCESS(status)) {
break;
}
if (status == STATUS_INFO_LENGTH_MISMATCH) {
size += 1 << 10;
continue;
}
soyuz::log(soyuz::log_level::LOG_LEVEL_DEBUG,
"could not enumerate handle, skipping");
return 1;
}
auto *info =
reinterpret_cast<PROCESS_HANDLE_SNAPSHOT_INFORMATION *>(buffer.get());
for (ULONG i = 0; i < info->NumberOfHandles; ++i) {
HANDLE h = info->Handles[i].HandleValue;
HANDLE target;
BYTE name_buffer[1 << 10];
WCHAR target_name[256];
DWORD session_id;
if (!DuplicateHandle(lunar, h, GetCurrentProcess(), &target, 0, FALSE,
DUPLICATE_SAME_ACCESS)) {
continue;
}
NTSTATUS status = NtQueryObject(target, ObjectNameInformation, name_buffer,
sizeof(name_buffer), nullptr);
CloseHandle(target);
if (!NT_SUCCESS(status)) {
continue;
}
ProcessIdToSessionId(pid, &session_id);
swprintf_s(target_name, DISCORD_IPC_NAMED_PIPE_NAME);
size_t length = wcslen(target_name);
auto *name = reinterpret_cast<UNICODE_STRING *>(name_buffer);
if (name->Buffer && _wcsnicmp(name->Buffer, target_name, length) == 0) {
soyuz::log(soyuz::log_level::LOG_LEVEL_INFO,
"found lunar client's discord ipc named pipe");
DuplicateHandle(lunar, h, GetCurrentProcess(), &target, 0, FALSE,
DUPLICATE_CLOSE_SOURCE);
CloseHandle(target);
soyuz::log(soyuz::log_level::LOG_LEVEL_INFO,
"closed lunar client's discord ipc named pipe");
return 0;
}
}
return 0;
}
auto write_log_file(const std::string &message) -> void {
log_file.print("{}\n", message);
}
auto init_log_file() -> void {
// if (!log_file.is_open()) {
// soyuz::log("could not open 'soyuz.log'");
// soyuz::log("proceeding without logging to file");
//
// return;
// }
soyuz::log(soyuz::log_level::LOG_LEVEL_DEBUG, "opened 'soyuz.log'");
}
auto close_log_file() -> void {
soyuz::log(soyuz::log_level::LOG_LEVEL_DEBUG, "closing 'soyuz.log'");
log_file.close();
}
auto exit(int exit_code) -> void {
// if (log_file.is_open()) { close_log_file(); }
close_log_file();
std::exit(exit_code);
}
auto current_date_time() -> std::string {
time_t now = time(nullptr);
struct tm t_struct {};
char buffer[80];
localtime_s(&t_struct, &now); // t_struct = *localtime(&now);
strftime(buffer, sizeof(buffer), "%Y-%m-%d.%X", &t_struct);
return buffer;
}
auto log_t::to_colorref() const -> COLORREF {
switch (this->level) {
case LOG_LEVEL_TRACE: {
return 0x00FF0000;
} // blue
case LOG_LEVEL_DEBUG: {
return 0x0000FF00;
} // green
case LOG_LEVEL_INFO: {
return 0x00000000;
} // black
case LOG_LEVEL_WARN: {
return 0x000080FF;
} // orange
case LOG_LEVEL_ERROR: {
return 0x000000FF;
} // red
default: {
return 0x00000000;
} // black
}
}
} // namespace soyuz
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