362 lines
13 KiB
C++
362 lines
13 KiB
C++
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#include "setupapihook.h"
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#include <windows.h>
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#include <setupapi.h>
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#include "util/detour.h"
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#include "util/utils.h"
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// constants
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static const GUID GUID_ZERO = { 0x0, 0x0, 0x0, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 } };
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// state
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static std::vector<SETUPAPI_SETTINGS> SETUPAPI_SETTINGS_LIST;
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// original function pointers
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static decltype(SetupDiDestroyDeviceInfoList) *SetupDiDestroyDeviceInfoList_real = nullptr;
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static decltype(SetupDiEnumDeviceInfo) *SetupDiEnumDeviceInfo_real = nullptr;
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static decltype(SetupDiEnumDeviceInterfaces) *SetupDiEnumDeviceInterfaces_real = nullptr;
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static decltype(SetupDiGetClassDevsA) *SetupDiGetClassDevsA_real = nullptr;
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static decltype(SetupDiGetClassDevsW) *SetupDiGetClassDevsW_real = nullptr;
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static decltype(SetupDiGetDeviceInfoListDetailA) *SetupDiGetDeviceInfoListDetailA_real = nullptr;
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static decltype(SetupDiGetDeviceInstanceIdA) *SetupDiGetDeviceInstanceIdA_real = nullptr;
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static decltype(SetupDiGetDeviceInterfaceDetailA) *SetupDiGetDeviceInterfaceDetailA_real = nullptr;
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static decltype(SetupDiGetDeviceInterfaceDetailW) *SetupDiGetDeviceInterfaceDetailW_real = nullptr;
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static decltype(SetupDiGetDeviceRegistryPropertyA) *SetupDiGetDeviceRegistryPropertyA_real = nullptr;
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static HDEVINFO WINAPI SetupDiGetClassDevsA_hook(
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const GUID *ClassGuid,
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LPCSTR Enumerator,
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HWND hwndParent,
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DWORD Flags
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) {
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// custom
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for (size_t i = 0; i < SETUPAPI_SETTINGS_LIST.size(); i++) {
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const SETUPAPI_SETTINGS *settings = &SETUPAPI_SETTINGS_LIST[i];
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const GUID *guid = ClassGuid ? ClassGuid : &GUID_ZERO;
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if (!memcmp(guid, settings->class_guid, 16)) {
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SetLastError(ERROR_SUCCESS);
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return (HDEVINFO) &SETUPAPI_SETTINGS_LIST[i];
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}
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}
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// fallback
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return SetupDiGetClassDevsA_real(ClassGuid, Enumerator, hwndParent, Flags);
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}
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static HDEVINFO WINAPI SetupDiGetClassDevsW_hook(
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const GUID *ClassGuid,
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LPCWSTR Enumerator,
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HWND hwndParent,
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DWORD Flags
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) {
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// custom
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for (size_t i = 0; i < SETUPAPI_SETTINGS_LIST.size(); i++) {
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const SETUPAPI_SETTINGS *settings = &SETUPAPI_SETTINGS_LIST[i];
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if (ClassGuid && !memcmp(ClassGuid, settings->class_guid, 16)) {
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SetLastError(ERROR_SUCCESS);
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return (HDEVINFO) &SETUPAPI_SETTINGS_LIST[i];
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}
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}
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// fallback
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return SetupDiGetClassDevsW_real(ClassGuid, Enumerator, hwndParent, Flags);
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}
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static BOOL WINAPI SetupDiEnumDeviceInfo_hook(
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HDEVINFO DeviceInfoSet,
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DWORD MemberIndex,
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PSP_DEVINFO_DATA DeviceInfoData
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) {
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// custom
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for (size_t i = 0; i < SETUPAPI_SETTINGS_LIST.size(); i++) {
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if (DeviceInfoSet == &SETUPAPI_SETTINGS_LIST[i]) {
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if (MemberIndex) {
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SetLastError(ERROR_NO_MORE_ITEMS);
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return false;
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} else {
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SetLastError(ERROR_SUCCESS);
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return true;
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}
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}
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}
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// fallback
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return SetupDiEnumDeviceInfo_real(DeviceInfoSet, MemberIndex, DeviceInfoData);
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}
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static BOOL WINAPI SetupDiEnumDeviceInterfaces_hook(
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HDEVINFO DeviceInfoSet,
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PSP_DEVINFO_DATA DeviceInfoData,
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const GUID *InterfaceClassGuid,
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DWORD MemberIndex,
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PSP_DEVICE_INTERFACE_DATA DeviceInterfaceData
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) {
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// custom
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for (size_t i = 0; i < SETUPAPI_SETTINGS_LIST.size(); i++) {
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if (DeviceInfoSet == &SETUPAPI_SETTINGS_LIST[i]) {
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SetLastError(ERROR_SUCCESS);
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return MemberIndex == 0;
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}
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}
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// fallback
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return SetupDiEnumDeviceInterfaces_real(DeviceInfoSet, DeviceInfoData, InterfaceClassGuid, MemberIndex,
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DeviceInterfaceData);
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}
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static BOOL WINAPI SetupDiGetDeviceRegistryPropertyA_hook(
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HDEVINFO DeviceInfoSet,
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PSP_DEVINFO_DATA DeviceInfoData,
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DWORD Property,
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PDWORD PropertyRegDataType,
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PBYTE PropertyBuffer,
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DWORD PropertyBufferSize,
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PDWORD RequiredSize
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) {
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// custom
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for (size_t i = 0; i < SETUPAPI_SETTINGS_LIST.size(); i++) {
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const SETUPAPI_SETTINGS *settings = &SETUPAPI_SETTINGS_LIST[i];
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if (DeviceInfoSet == settings) {
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// dummy data
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const void *property_data = nullptr;
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DWORD property_size = 0;
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static int property_index = 0;
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// get property data
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switch (Property) {
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case SPDRP_DEVICEDESC:
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property_data = settings->property_devicedesc;
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property_size = (DWORD) (strlen(settings->property_devicedesc) + 1);
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break;
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case SPDRP_HARDWAREID:
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property_data = settings->property_hardwareid;
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property_size = (DWORD) (strlen(settings->property_hardwareid) + 1);
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break;
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case SPDRP_ADDRESS:
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/*
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* The property index thing is just because IIDX 25+ requires two different addresses to
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* be spoofed for cameras. Doing this in a clean way requires a complete hook rewrite.
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*/
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property_data = &settings->property_address[property_index];
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property_size = sizeof(DWORD);
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property_index = (property_index + 1) & 1;
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break;
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case SPDRP_DRIVER:
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// hides warnings from IIDX
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property_data = "";
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property_size = 0;
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break;
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default:
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log_warning("setupapi", "unknown property type: {}", Property);
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SetLastError(ERROR_INVALID_DATA);
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return false;
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}
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// check buffer size
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if (PropertyBufferSize < property_size) {
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if (RequiredSize) {
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*RequiredSize = property_size;
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}
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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return false;
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}
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// write property
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if (PropertyRegDataType) {
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*PropertyRegDataType = 1;
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}
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memcpy(PropertyBuffer, property_data, property_size);
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SetLastError(ERROR_SUCCESS);
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return true;
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}
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}
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// fallback
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return SetupDiGetDeviceRegistryPropertyA_real(DeviceInfoSet, DeviceInfoData, Property, PropertyRegDataType,
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PropertyBuffer, PropertyBufferSize, RequiredSize);
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}
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static BOOL WINAPI SetupDiGetDeviceInterfaceDetailA_hook(
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HDEVINFO DeviceInfoSet,
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PSP_DEVICE_INTERFACE_DATA DeviceInterfaceData,
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PSP_DEVICE_INTERFACE_DETAIL_DATA_A DeviceInterfaceDetailData,
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DWORD DeviceInterfaceDetailDataSize,
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PDWORD RequiredSize,
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PSP_DEVINFO_DATA DeviceInfoData
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) {
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// custom
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for (size_t i = 0; i < SETUPAPI_SETTINGS_LIST.size(); i++) {
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const SETUPAPI_SETTINGS *settings = &SETUPAPI_SETTINGS_LIST[i];
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if (DeviceInfoSet == settings) {
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// get data length
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DWORD data_size = (DWORD) (strlen(settings->interface_detail) + 1);
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// check size
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if (DeviceInterfaceDetailDataSize < data_size) {
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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*RequiredSize = sizeof(DeviceInterfaceDetailData->cbSize) + data_size;
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return false;
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}
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// clear error
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SetLastError(ERROR_SUCCESS);
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// copy data size + data
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DeviceInterfaceDetailData->cbSize = data_size;
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memcpy(DeviceInterfaceDetailData->DevicePath, settings->interface_detail, data_size);
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// success
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return true;
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}
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}
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// fallback
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return SetupDiGetDeviceInterfaceDetailA_real(DeviceInfoSet, DeviceInterfaceData, DeviceInterfaceDetailData,
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DeviceInterfaceDetailDataSize, RequiredSize, DeviceInfoData);
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}
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static BOOL WINAPI SetupDiGetDeviceInterfaceDetailW_hook(
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HDEVINFO DeviceInfoSet,
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PSP_DEVICE_INTERFACE_DATA DeviceInterfaceData,
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PSP_DEVICE_INTERFACE_DETAIL_DATA_W DeviceInterfaceDetailData,
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DWORD DeviceInterfaceDetailDataSize,
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PDWORD RequiredSize,
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PSP_DEVINFO_DATA DeviceInfoData
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) {
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// custom
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for (size_t i = 0; i < SETUPAPI_SETTINGS_LIST.size(); i++) {
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const SETUPAPI_SETTINGS *settings = &SETUPAPI_SETTINGS_LIST[i];
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if (DeviceInfoSet == settings) {
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// convert to wstring
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std::wstring ws = s2ws(std::string(settings->interface_detail));
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// get data length
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DWORD data_size = (DWORD) (ws.length() * 2 + 2);
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DWORD struct_size = data_size + sizeof(DWORD);
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// check size
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if (DeviceInterfaceDetailDataSize < struct_size) {
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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*RequiredSize = sizeof(DeviceInterfaceDetailData->cbSize) + struct_size;
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return false;
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}
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// clear error
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SetLastError(ERROR_SUCCESS);
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// copy data size + data
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DeviceInterfaceDetailData->cbSize = struct_size;
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memcpy(DeviceInterfaceDetailData->DevicePath, ws.c_str(), data_size);
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// success
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return true;
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}
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}
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// fallback
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return SetupDiGetDeviceInterfaceDetailW_real(DeviceInfoSet, DeviceInterfaceData, DeviceInterfaceDetailData,
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DeviceInterfaceDetailDataSize, RequiredSize, DeviceInfoData);
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}
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static BOOL WINAPI SetupDiGetDeviceInstanceIdA_hook(HDEVINFO DeviceInfoSet, PSP_DEVINFO_DATA DeviceInfoData, PSTR DeviceInstanceId, DWORD DeviceInstanceIdSize, PDWORD RequiredSize) {
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log_misc("setupapi", "SetupDiGetDeviceInstanceIdA hook hit ({}, {}, {}, {}, {})", fmt::ptr(DeviceInfoSet), fmt::ptr(DeviceInfoData), fmt::ptr(DeviceInstanceId), DeviceInstanceIdSize, fmt::ptr(RequiredSize));
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// custom
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for (size_t i = 0; i < SETUPAPI_SETTINGS_LIST.size(); i++) {
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const SETUPAPI_SETTINGS *settings = &SETUPAPI_SETTINGS_LIST[i];
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if (DeviceInfoSet == settings) {
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log_misc("setupapi", "returning device instance: {}", settings->property_hardwareid);
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strncpy(DeviceInstanceId, settings->property_hardwareid, DeviceInstanceIdSize);
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if (RequiredSize) {
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*RequiredSize = 0;
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}
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return true;
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}
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}
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return SetupDiGetDeviceInstanceIdA_real(DeviceInfoSet, DeviceInfoData, DeviceInstanceId, DeviceInstanceIdSize, RequiredSize);
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}
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static BOOL WINAPI SetupDiDestroyDeviceInfoList_hook(HDEVINFO DeviceInfoSet) {
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// custom
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for (size_t i = 0; i < SETUPAPI_SETTINGS_LIST.size(); i++) {
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if (DeviceInfoSet == &SETUPAPI_SETTINGS_LIST[i]) {
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return true;
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}
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}
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// fallback
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return SetupDiDestroyDeviceInfoList_real(DeviceInfoSet);
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}
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static BOOL WINAPI SetupDiGetDeviceInfoListDetailA_hook(HDEVINFO DeviceInfoSet,
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PSP_DEVINFO_LIST_DETAIL_DATA DeviceInfoSetDetailData) {
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// custom
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for (size_t i = 0; i < SETUPAPI_SETTINGS_LIST.size(); i++) {
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if (DeviceInfoSet == &SETUPAPI_SETTINGS_LIST[i]) {
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return true;
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}
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}
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// fallback
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return SetupDiGetDeviceInfoListDetailA_real(DeviceInfoSet, DeviceInfoSetDetailData);
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}
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void setupapihook_init(HINSTANCE module) {
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// check for skip
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if (!detour::iat_find("SetupDiGetClassDevsA", module) && !detour::iat_find("SetupDiGetClassDevsW", module)) {
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log_info("setupapi", "no usage detected in module");
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return;
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}
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// hook functions
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SetupDiDestroyDeviceInfoList_real = detour::iat_try(
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"SetupDiDestroyDeviceInfoList", SetupDiDestroyDeviceInfoList_hook, module);
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SetupDiEnumDeviceInfo_real = detour::iat_try(
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"SetupDiEnumDeviceInfo", SetupDiEnumDeviceInfo_hook, module);
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SetupDiEnumDeviceInterfaces_real = detour::iat_try(
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"SetupDiEnumDeviceInterfaces", SetupDiEnumDeviceInterfaces_hook, module);
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SetupDiGetClassDevsA_real = detour::iat_try(
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"SetupDiGetClassDevsA", SetupDiGetClassDevsA_hook, module);
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SetupDiGetClassDevsW_real = detour::iat_try(
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"SetupDiGetClassDevsW", SetupDiGetClassDevsW_hook, module);
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SetupDiGetDeviceInfoListDetailA_real = detour::iat_try(
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"SetupDiGetDeviceInfoListDetailA", SetupDiGetDeviceInfoListDetailA_hook, module);
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SetupDiGetDeviceInstanceIdA_real = detour::iat_try(
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"SetupDiGetDeviceInstanceIdA", SetupDiGetDeviceInstanceIdA_hook, module);
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SetupDiGetDeviceInterfaceDetailA_real = detour::iat_try(
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"SetupDiGetDeviceInterfaceDetailA", SetupDiGetDeviceInterfaceDetailA_hook, module);
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SetupDiGetDeviceInterfaceDetailW_real = detour::iat_try(
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"SetupDiGetDeviceInterfaceDetailW", SetupDiGetDeviceInterfaceDetailW_hook, module);
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SetupDiGetDeviceRegistryPropertyA_real = detour::iat_try(
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"SetupDiGetDeviceRegistryPropertyA", SetupDiGetDeviceRegistryPropertyA_hook, module);
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}
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void setupapihook_add(SETUPAPI_SETTINGS settings) {
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SETUPAPI_SETTINGS_LIST.push_back(settings);
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}
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