mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-10-30 00:37:23 +01:00
Common (Windows): removes old COM based WMI query implementation
This commit is contained in:
李通洲
@@ -1032,7 +1032,6 @@ elseif(WIN32)
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src/common/windows/com.cpp
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src/common/windows/registry.c
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src/common/windows/unicode.c
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src/common/windows/wmi.cpp
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src/common/windows/variant.cpp
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src/common/windows/version.c
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src/detection/battery/battery_windows.c
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@@ -1,284 +0,0 @@
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#include "wmi.hpp"
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#include "common/windows/com.hpp"
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#include "common/windows/unicode.hpp"
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#include <synchapi.h>
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#include <wchar.h>
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#include <math.h>
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static const char* doInitService(const wchar_t* networkResource, IWbemServices** result) {
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HRESULT hres;
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// Obtain the initial locator to WMI
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IWbemLocator* pLoc = nullptr;
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hres = CoCreateInstance(
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CLSID_WbemLocator,
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nullptr,
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CLSCTX_INPROC_SERVER,
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IID_IWbemLocator,
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(LPVOID*) &pLoc);
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if (FAILED(hres)) {
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return "Failed to create IWbemLocator object";
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}
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// Connect to WMI through the IWbemLocator::ConnectServer method
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IWbemServices* pSvc = nullptr;
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// Connect to the root\cimv2 namespace with
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// the current user and obtain pointer pSvc
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// to make IWbemServices calls.
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hres = pLoc->ConnectServer(
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bstr_t(networkResource), // Object path of WMI namespace
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nullptr, // User name. nullptr = current user
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nullptr, // User password. nullptr = current
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0, // Locale. nullptr indicates current
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0, // Security flags.
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0, // Authority (for example, Kerberos)
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0, // Context object
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&pSvc // pointer to IWbemServices proxy
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);
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pLoc->Release();
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pLoc = nullptr;
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if (FAILED(hres)) {
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return "Could not connect WMI server";
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}
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*result = pSvc;
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return NULL;
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}
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FFWmiQuery::FFWmiQuery(const wchar_t* queryStr, FFstrbuf* error, FFWmiNamespace wmiNs) {
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const char* errStr;
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if ((errStr = ffInitCom())) {
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if (error) {
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ffStrbufSetS(error, errStr);
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}
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return;
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}
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static IWbemServices* contexts[(int) FFWmiNamespace::LAST];
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IWbemServices* context = contexts[(int) wmiNs];
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if (!context) {
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if ((errStr = doInitService(wmiNs == FFWmiNamespace::CIMV2 ? L"ROOT\\CIMV2" : L"ROOT\\WMI", &context))) {
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if (error) {
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ffStrbufSetS(error, errStr);
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}
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return;
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}
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contexts[(int) wmiNs] = context;
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}
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this->pService = context;
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// Use the IWbemServices pointer to make requests of WMI
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HRESULT hres = context->ExecQuery(
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bstr_t(L"WQL"),
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bstr_t(queryStr),
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WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,
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nullptr,
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&this->pEnumerator);
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if (FAILED(hres)) {
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if (error) {
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ffStrbufAppendF(error, "Query for '%ls' failed. Error code = 0x%lX", queryStr, hres);
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}
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}
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}
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bool FFWmiRecord::getString(const wchar_t* key, FFstrbuf* strbuf) {
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bool result = true;
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FFWmiVariant vtProp;
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CIMTYPE type;
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if (FAILED(obj->Get(key, 0, &vtProp, &type, nullptr)) || vtProp.vt != VT_BSTR) {
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result = false;
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} else {
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switch (vtProp.vt) {
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case VT_BSTR:
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if (type == CIM_DATETIME) {
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FF_AUTO_RELEASE_COM_OBJECT ISWbemDateTime* pDateTime = nullptr;
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BSTR dateStr;
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if (FAILED(CoCreateInstance(__uuidof(SWbemDateTime), 0, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pDateTime)))) {
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result = false;
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} else if (FAILED(pDateTime->put_Value(vtProp.bstrVal))) {
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result = false;
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} else if (FAILED(pDateTime->GetFileTime(VARIANT_TRUE, &dateStr))) {
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result = false;
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} else {
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ffStrbufSetNWS(strbuf, SysStringLen(dateStr), dateStr);
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}
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} else {
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ffStrbufSetNWS(strbuf, SysStringLen(vtProp.bstrVal), vtProp.bstrVal);
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}
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break;
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case VT_LPSTR:
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ffStrbufAppendS(strbuf, vtProp.pcVal);
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break;
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case VT_LPWSTR:
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default:
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ffStrbufSetWS(strbuf, vtProp.bstrVal);
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break;
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}
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}
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return result;
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}
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bool FFWmiRecord::getSigned(const wchar_t* key, int64_t* integer) {
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bool result = true;
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FFWmiVariant vtProp;
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CIMTYPE type;
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if (FAILED(obj->Get(key, 0, &vtProp, &type, nullptr))) {
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result = false;
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} else {
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switch (vtProp.vt) {
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case VT_BSTR:
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*integer = wcstoll(vtProp.bstrVal, nullptr, 10);
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break;
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case VT_I1:
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*integer = vtProp.cVal;
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break;
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case VT_I2:
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*integer = vtProp.iVal;
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break;
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case VT_INT:
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case VT_I4:
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*integer = vtProp.intVal;
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break;
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case VT_I8:
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*integer = vtProp.llVal;
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break;
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case VT_UI1:
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*integer = (int64_t) vtProp.bVal;
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break;
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case VT_UI2:
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*integer = (int64_t) vtProp.uiVal;
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break;
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case VT_UINT:
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case VT_UI4:
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*integer = (int64_t) vtProp.uintVal;
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break;
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case VT_UI8:
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*integer = (int64_t) vtProp.ullVal;
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break;
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case VT_BOOL:
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*integer = vtProp.boolVal != VARIANT_FALSE;
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break;
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default:
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*integer = 0;
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result = false;
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}
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}
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return result;
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}
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bool FFWmiRecord::getUnsigned(const wchar_t* key, uint64_t* integer) {
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bool result = true;
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FFWmiVariant vtProp;
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if (FAILED(obj->Get(key, 0, &vtProp, nullptr, nullptr))) {
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result = false;
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} else {
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switch (vtProp.vt) {
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case VT_BSTR:
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*integer = wcstoull(vtProp.bstrVal, nullptr, 10);
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break;
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case VT_I1:
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*integer = (uint64_t) vtProp.cVal;
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break;
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case VT_I2:
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*integer = (uint64_t) vtProp.iVal;
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break;
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case VT_INT:
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case VT_I4:
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*integer = (uint64_t) vtProp.intVal;
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break;
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case VT_I8:
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*integer = (uint64_t) vtProp.llVal;
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break;
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case VT_UI1:
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*integer = vtProp.bVal;
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break;
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case VT_UI2:
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*integer = vtProp.uiVal;
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break;
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case VT_UINT:
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case VT_UI4:
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*integer = vtProp.uintVal;
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break;
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case VT_UI8:
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*integer = vtProp.ullVal;
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break;
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case VT_BOOL:
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*integer = vtProp.boolVal != VARIANT_FALSE;
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break;
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default:
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*integer = 0;
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result = false;
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}
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}
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return result;
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}
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bool FFWmiRecord::getReal(const wchar_t* key, double* real) {
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bool result = true;
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FFWmiVariant vtProp;
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if (FAILED(obj->Get(key, 0, &vtProp, nullptr, nullptr))) {
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result = false;
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} else {
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switch (vtProp.vt) {
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case VT_BSTR:
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*real = wcstod(vtProp.bstrVal, nullptr);
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break;
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case VT_I1:
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*real = vtProp.cVal;
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break;
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case VT_I2:
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*real = vtProp.iVal;
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break;
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case VT_INT:
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case VT_I4:
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*real = vtProp.intVal;
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break;
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case VT_I8:
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*real = (double) vtProp.llVal;
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break;
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case VT_UI1:
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*real = vtProp.bVal;
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break;
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case VT_UI2:
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*real = vtProp.uiVal;
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break;
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case VT_UINT:
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case VT_UI4:
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*real = vtProp.uintVal;
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break;
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case VT_UI8:
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*real = (double) vtProp.ullVal;
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break;
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case VT_R4:
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*real = vtProp.fltVal;
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break;
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case VT_R8:
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*real = vtProp.dblVal;
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break;
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case VT_BOOL:
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*real = vtProp.boolVal != VARIANT_FALSE;
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break;
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default:
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*real = -DBL_MAX;
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result = false;
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}
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}
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return result;
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}
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@@ -1,97 +0,0 @@
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#include "fastfetch.h"
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}
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#include <initguid.h>
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#include <wbemidl.h>
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#include "variant.hpp"
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enum class FFWmiNamespace {
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CIMV2,
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WMI,
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LAST,
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};
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struct FFWmiRecord {
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IWbemClassObject* obj = nullptr;
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explicit FFWmiRecord(IWbemClassObject* obj) : obj(obj) {};
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FFWmiRecord(const FFWmiRecord&) = delete;
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FFWmiRecord(FFWmiRecord&& other) {
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*this = (FFWmiRecord&&) other;
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}
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~FFWmiRecord() {
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if (obj) {
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obj->Release();
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}
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}
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explicit operator bool() {
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return !!obj;
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}
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FFWmiRecord& operator=(FFWmiRecord&& other) {
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if (obj) {
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obj->Release();
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}
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obj = other.obj;
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other.obj = nullptr;
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return *this;
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}
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bool getString(const wchar_t* key, FFstrbuf* strbuf);
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bool getSigned(const wchar_t* key, int64_t* integer);
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bool getUnsigned(const wchar_t* key, uint64_t* integer);
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bool getReal(const wchar_t* key, double* real);
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FFWmiVariant get(const wchar_t* key) {
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FFWmiVariant result;
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obj->Get(key, 0, &result, nullptr, nullptr);
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return result;
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}
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};
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struct FFWmiQuery {
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IWbemServices* pService = nullptr;
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IEnumWbemClassObject* pEnumerator = nullptr;
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FFWmiQuery(const wchar_t* queryStr, FFstrbuf* error = nullptr, FFWmiNamespace wmiNs = FFWmiNamespace::CIMV2);
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explicit FFWmiQuery(IEnumWbemClassObject* pEnumerator) : pEnumerator(pEnumerator) {}
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FFWmiQuery(const FFWmiQuery& other) = delete;
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FFWmiQuery(FFWmiQuery&& other) {
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*this = (FFWmiQuery&&) other;
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}
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~FFWmiQuery() {
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if (pEnumerator) {
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pEnumerator->Release();
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}
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}
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explicit operator bool() {
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return !!pEnumerator;
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}
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FFWmiQuery& operator=(FFWmiQuery&& other) {
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if (pEnumerator) {
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pEnumerator->Release();
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}
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pEnumerator = other.pEnumerator;
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other.pEnumerator = nullptr;
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return *this;
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}
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FFWmiRecord next() {
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IWbemClassObject* obj = nullptr;
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ULONG ret;
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pEnumerator->Next(instance.config.general.wmiTimeout, 1, &obj, &ret);
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FFWmiRecord result(obj);
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return result;
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}
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};
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#else
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// Win32 COM headers requires C++ compiler
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#error Must be included in C++ source file
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#endif //__cplusplus
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