Files
wufuc/wufuc/tracing.c

64 lines
1.9 KiB
C

#include "tracing.h"
#include "helpers.h"
#include "rtl_malloc.h"
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <phnt_windows.h>
#include <phnt.h>
void trace_sysinfo(void)
{
RTL_OSVERSIONINFOW osvi = { 0 };
osvi.dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOW);
NTSTATUS status = RtlGetVersion(&osvi);
if ( NT_SUCCESS(status) ) {
trace(L"Windows version: %d.%d.%d (%Iu-bit)",
osvi.dwMajorVersion,
osvi.dwMinorVersion,
osvi.dwBuildNumber,
sizeof(uintptr_t) * 8);
} else trace(L"Failed to get Windows version (status=%08X)", status);
int CPUInfo[4];
__cpuidex(CPUInfo, 0x80000000, 0);
if ( CPUInfo[0] < 0x80000004 ) {
trace(L"This processor does not support the brand identification feature.");
return;
}
char brand[0x31];
uint32_t *u32ptr = (uint32_t *)&brand;
for ( int func = 0x80000002; func <= 0x80000004; func++ ) {
__cpuidex(CPUInfo, func, 0);
for ( int i = 0; i < 4; i++ )
*(u32ptr++) = CPUInfo[i];
}
size_t c = 0;
do {
if ( !isspace(brand[c]) )
break;
c++;
} while ( c < _countof(brand) );
trace(L"Processor: %hs", &brand[c]);
}
void trace_(const wchar_t *const format, ...)
{
static int shown_sysinfo = 0;
if ( !shown_sysinfo ) {
shown_sysinfo = 1;
trace_sysinfo();
}
va_list argptr;
va_start(argptr, format);
int count = _vscwprintf(format, argptr) + 1;
wchar_t *buffer = rtl_calloc(count, sizeof(wchar_t));
vswprintf_s(buffer, count, format, argptr);
va_end(argptr);
OutputDebugStringW(buffer);
rtl_free(buffer);
}