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bananatools/saohook/systype.c
2024-04-03 15:29:15 -04:00

111 lines
3.0 KiB
C

#include <windows.h>
#include "hook/table.h"
#include "hooklib/reg.h"
#include "hook/procaddr.h"
#include "util/dprintf.h"
#include "saohook/systype.h"
#include "platform/es3sec.h"
const wchar_t *cpu_name_client = L"Intel(R) Genuine Snake Oil";
const wchar_t *cpu_name_terminal = L"AMD(R) Certified Abacus";
static bool is_terminal = false;
static struct es3sec_config dong_config;
static HRESULT systype_read_cpu_name(void *bytes, uint32_t *nbytes);
static BOOL my_GlobalMemoryStatusEx(LPMEMORYSTATUSEX lpBuffer);
static BOOL (*next_GlobalMemoryStatusEx)(LPMEMORYSTATUSEX lpBuffer);
static int my_GetSerialNumber(ULONG usercode, intptr_t serialnumber);
static int (*next_GetSerialNumber)(ULONG usercode, intptr_t serialnumber);
const struct reg_hook_val sys_info_reg[] = {
{
.name = L"ProcessorNameString",
.type = REG_SZ,
.read = systype_read_cpu_name
}
};
static const struct hook_symbol systype_kernel32_syms[] = {
{
.name = "GlobalMemoryStatusEx",
.patch = my_GlobalMemoryStatusEx,
.link = (void **) &next_GlobalMemoryStatusEx,
},
};
static struct hook_symbol procaddr_dong_syms[] = {
{
.name = "GetSerialNumber",
.patch = my_GetSerialNumber,
.link = (void **) &next_GetSerialNumber,
},
};
HRESULT systype_hook_init(const struct systype_config *sys_cfg, const struct es3sec_config *dong_cfg)
{
HRESULT hr = S_OK;
if (!sys_cfg->enable) {
return hr;
}
is_terminal = sys_cfg->type;
memcpy(&dong_config, dong_cfg, sizeof(*dong_cfg));
hr = reg_hook_push_key(
HKEY_LOCAL_MACHINE,
L"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0",
sys_info_reg,
_countof(sys_info_reg));
hook_table_apply(
NULL,
"kernel32.dll",
systype_kernel32_syms,
_countof(systype_kernel32_syms));
if (dong_cfg->enable) {
proc_addr_table_push(
NULL,
"nbamUsbFinder_sup.dll",
procaddr_dong_syms,
_countof(procaddr_dong_syms)
);
}
dprintf("Systype: Init\n");
return hr;
}
static HRESULT systype_read_cpu_name(void *bytes, uint32_t *nbytes)
{
dprintf("Systype: Read CPU Name\n");
if (!is_terminal) {
return reg_hook_read_wstr(bytes, nbytes, cpu_name_client);
}
return reg_hook_read_wstr(bytes, nbytes, cpu_name_terminal);
}
static BOOL my_GlobalMemoryStatusEx(LPMEMORYSTATUSEX lpBuffer)
{
dprintf("Systype: Get RAM Size\n");
BOOL ret = next_GlobalMemoryStatusEx(lpBuffer);
if (!ret) {
dprintf("Systype: next_GlobalMemoryStatusEx failed!\n");
return ret;
}
if (!is_terminal) {
lpBuffer->ullTotalPhys = (DWORDLONG) 8000 << 20;
} else {
lpBuffer->ullTotalPhys = (DWORDLONG) 4000 << 20;
}
return true;
}
static int my_GetSerialNumber(ULONG usercode, intptr_t serialnumber)
{
wcstombs((char *)serialnumber, dong_config.serial, 32);
dprintf("Systype: my_GetSerialNumber %ls\n", dong_config.serial);
return 0;
}