REG_OPTION_NON_VOLATILE

本文介绍了Windows注册表中创建键时使用的两种不同选项:REG_OPTION_NON_VOLATILE 和 REG_OPTION_VOLATILE。前者使注册表键成为永久性的,即使系统重启也能保留;后者则使键成为临时性的,在系统重启后不再存在。

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 REG_OPTION_NON_VOLATILE:

该宏是RegCreateKeyEx函数的参数可选项。

LONG RegCreateKeyEx( HKEY hKey,

LPCWSTR lpSubKey,

 DWORD Reserved,

LPWSTR lpClass,

DWORD dwOptions,

REGSAM samDesired,

 LPSECURITY_ATTRIBUTES lpSecurityAttributes,

 PHKEY phkResult,

LPDWORD lpdwDisposition );

看看MSDN对它的说明:

 

Default setting. All registry keys are created as non-volatile and the information stored in memory is preserved when the OS is restarted. The RegSaveKey function saves keys that are non-volatile.

翻译:默认设置。所有注册表项创建作为非易失性和操作系统重新启动时保留在内存中存储的信息。 RegSaveKey功能键是非易失性保存。

意思是说如果参数dwOptions选择REG_OPTION_NON_VOLATILE,则通过RegCreateKeyEx创建的注册表是永久的,不会因为计算机的重启而消失。相反参数选择REG_OPTION_VOLATILE,则表明创建的注册表是临时的,计算机重启后该注册表不存在。

 

dwOptions
[in] Registry key options. The following table shows the possible values for this parameter.
ValueDescription
REG_OPTION_NON_VOLATILEDefault setting. All registry keys are created as non-volatile and the information stored in memory is preserved when the OS is restarted. The RegSaveKey function saves keys that are non-volatile.
REG_OPTION_VOLATILEAll registry keys are created as volatile, and the information is stored in memory and is not preserved when the corresponding registry hive is unloaded. For HKEY_LOCAL_MACHINE, this occurs when the OS is shut down. The RegSaveKey function does not save volatile registry keys. This flag is ignored for keys that already exist.

 

 

参考资料:http://msdn.microsoft.com/en-us/library/ms891450.aspx

#include <Windows.h> #include <Wbemidl.h> #include <comdef.h> #include <WinCrypt.h> #include <string> #include <algorithm> #include <sstream> #include <vector> #include <commctrl.h> #include <iomanip> // 添加缺失的头文件 #pragma comment(lib, "wbemuuid.lib") #pragma comment(lib, "Advapi32.lib") #pragma comment(lib, "Crypt32.lib") #pragma comment(lib, "comctl32.lib") // 资源ID定义 #define IDD_MAIN_DIALOG 101 // 添加缺失的定义 #define IDC_MACHINE_CODE 1001 #define IDC_DAYS_COMBO 1002 #define IDC_REG_CODE 1003 #define IDC_GENERATE_BTN 1004 #define IDC_REGISTER_BTN 1005 #define IDC_STATUS_TEXT 1006 #define IDC_VALIDATE_BTN 1007 // 全局变量 HWND g_hMainDlg = NULL; char g_szMachineCode[256] = { 0 }; // 函数声明 const char* GetMachineCode(); const char* ComputeRegistration(const char* machineCode, int daysChoice); BOOL SaveRegistration(const char* machineCode, const char* regCode, int daysChoice); int ValidateLicense(); void UpdateStatus(const char* message); void InitializeControls(HWND hDlg); void GenerateRegistrationCode(HWND hDlg); void RegisterProduct(HWND hDlg); void ValidateLicenseOnStartup(); // 获取机器码函数 const char* GetMachineCode() { if (g_szMachineCode[0] != '\0') { return g_szMachineCode; } HRESULT hres; std::string serials; // 初始化COM hres = CoInitializeEx(0, COINIT_MULTITHREADED); if (FAILED(hres)) { return "COM Init Failed"; } // 设置COM安全级别 hres = CoInitializeSecurity( NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_DEFAULT, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE, NULL ); if (FAILED(hres)) { CoUninitialize(); return "CoInitializeSecurity Failed"; } // 创建WMI实例 IWbemLocator* pLoc = NULL; hres = CoCreateInstance( CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (LPVOID*)&pLoc ); if (FAILED(hres)) { CoUninitialize(); return "WbemLocator Failed"; } // 连接到WMI IWbemServices* pSvc = NULL; hres = pLoc->ConnectServer( _bstr_t(L"ROOT\\CIMV2"), NULL, NULL, 0, NULL, 0, 0, &pSvc ); if (FAILED(hres)) { pLoc->Release(); CoUninitialize(); return "ConnectServer Failed"; } // 设置代理安全级别 hres = CoSetProxyBlanket( pSvc, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL, RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE ); if (FAILED(hres)) { pSvc->Release(); pLoc->Release(); CoUninitialize(); return "SetProxyBlanket Failed"; } // 查询CPU信息 IEnumWbemClassObject* pEnumerator = NULL; hres = pSvc->ExecQuery( bstr_t("WQL"), bstr_t("SELECT * FROM Win32_Processor"), WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator ); if (SUCCEEDED(hres)) { IWbemClassObject* pclsObj = NULL; ULONG uReturn = 0; while (pEnumerator) { HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, &pclsObj, &uReturn); if (0 == uReturn) break; VARIANT vtProp; hr = pclsObj->Get(L"ProcessorId", 0, &vtProp, 0, 0); if (SUCCEEDED(hr)) { serials += _bstr_t(vtProp.bstrVal); VariantClear(&vtProp); } pclsObj->Release(); } pEnumerator->Release(); } // 查询磁盘信息 hres = pSvc->ExecQuery( bstr_t("WQL"), bstr_t("SELECT * FROM Win32_DiskDrive"), WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator ); if (SUCCEEDED(hres)) { IWbemClassObject* pclsObj = NULL; ULONG uReturn = 0; while (pEnumerator) { HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, &pclsObj, &uReturn); if (0 == uReturn) break; VARIANT vtProp; hr = pclsObj->Get(L"SerialNumber", 0, &vtProp, 0, 0); if (SUCCEEDED(hr)) { serials += _bstr_t(vtProp.bstrVal); VariantClear(&vtProp); } pclsObj->Release(); } pEnumerator->Release(); } // 清理资源 pSvc->Release(); pLoc->Release(); CoUninitialize(); // 生成哈希值 HCRYPTPROV hProv = 0; HCRYPTHASH hHash = 0; BYTE rgbHash[16]; DWORD cbHash = 16; CHAR rgbDigits[] = "0123456789abcdef"; if (!CryptAcquireContext(&hProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) { return "CryptoContext Failed"; } if (!CryptCreateHash(hProv, CALG_MD5, 0, 0, &hHash)) { CryptReleaseContext(hProv, 0); return "CreateHash Failed"; } if (!CryptHashData(hHash, (BYTE*)serials.c_str(), (DWORD)serials.length(), 0)) { CryptDestroyHash(hHash); CryptReleaseContext(hProv, 0); return "HashData Failed"; } if (!CryptGetHashParam(hHash, HP_HASHVAL, rgbHash, &cbHash, 0)) { CryptDestroyHash(hHash); CryptReleaseContext(hProv, 0); return "GetHashParam Failed"; } std::string hashStr; for (DWORD i = 0; i < cbHash; i++) { char rgb[3]; sprintf_s(rgb, 3, "%c%c", rgbDigits[rgbHash[i] >> 4], rgbDigits[rgbHash[i] & 0xf]); hashStr += rgb; } // 修正strcpy_s调用 strcpy_s(g_szMachineCode, sizeof(g_szMachineCode), hashStr.c_str()); return g_szMachineCode; } // 计算注册码函数 const char* ComputeRegistration(const char* machineCode, int daysChoice) { static char regBuffer[256] = { 0 }; std::string input = machineCode; std::string regCode; // 简单转换算法(实际应使用加密算法) for (char c : input) { regCode += (c + daysChoice) ^ 0xAA; } // 修正strcpy_s调用 strcpy_s(regBuffer, sizeof(regBuffer), regCode.c_str()); return regBuffer; } // 保存注册信息函数 BOOL SaveRegistration(const char* machineCode, const char* regCode, int daysChoice) { HKEY hKey; LPCSTR subKey = "Software\\MyApp\\Registration"; // 创建注册表项 if (RegCreateKeyExA(HKEY_CURRENT_USER, subKey, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL) != ERROR_SUCCESS) { return FALSE; } // 保存机器码 RegSetValueExA(hKey, "MachineCode", 0, REG_SZ, (const BYTE*)machineCode, (DWORD)strlen(machineCode) + 1); // 保存注册码 RegSetValueExA(hKey, "RegCode", 0, REG_SZ, (const BYTE*)regCode, (DWORD)strlen(regCode) + 1); // 保存授权天数 DWORD days = 0; switch (daysChoice) { case 0: days = 7; break; case 1: days = 15; break; case 2: days = 30; break; case 3: days = 0xFFFFFFFF; // 永久 } RegSetValueExA(hKey, "Days", 0, REG_DWORD, (const BYTE*)&days, sizeof(days)); // 保存激活日期 SYSTEMTIME st; GetSystemTime(&st); FILETIME ft; SystemTimeToFileTime(&st, &ft); RegSetValueExA(hKey, "ActivationDate", 0, REG_QWORD, (const BYTE*)&ft, sizeof(ft)); RegCloseKey(hKey); return TRUE; } // 验证授权函数 int ValidateLicense() { HKEY hKey; LPCSTR subKey = "Software\\MyApp\\Registration"; if (RegOpenKeyExA(HKEY_CURRENT_USER, subKey, 0, KEY_READ, &hKey) != ERROR_SUCCESS) { return -1; // 未注册 } // 检查机器码是否匹配 char storedMachineCode[256] = { 0 }; DWORD size = sizeof(storedMachineCode); if (RegQueryValueExA(hKey, "MachineCode", NULL, NULL, (LPBYTE)storedMachineCode, &size) != ERROR_SUCCESS) { RegCloseKey(hKey); return -1; } if (strcmp(storedMachineCode, GetMachineCode()) != 0) { RegCloseKey(hKey); return -1; // 机器码不匹配 } // 检查授权天数 DWORD days = 0; size = sizeof(days); if (RegQueryValueExA(hKey, "Days", NULL, NULL, (LPBYTE)&days, &size) != ERROR_SUCCESS) { RegCloseKey(hKey); return -1; } // 永久授权 if (days == 0xFFFFFFFF) { RegCloseKey(hKey); return 1; } // 检查激活日期 FILETIME activationDate; size = sizeof(activationDate); if (RegQueryValueExA(hKey, "ActivationDate", NULL, NULL, (LPBYTE)&activationDate, &size) != ERROR_SUCCESS) { RegCloseKey(hKey); return -1; } // 计算已过天数 SYSTEMTIME stNow; FILETIME ftNow; GetSystemTime(&stNow); SystemTimeToFileTime(&stNow, &ftNow); ULARGE_INTEGER uAct, uNow; uAct.LowPart = activationDate.dwLowDateTime; uAct.HighPart = activationDate.dwHighDateTime; uNow.LowPart = ftNow.dwLowDateTime; uNow.HighPart = ftNow.dwHighDateTime; // 100纳秒 = 1 tick, 1天 = 864000000000 ticks ULONGLONG diff = (uNow.QuadPart - uAct.QuadPart) / 864000000000; RegCloseKey(hKey); return (diff <= days) ? 1 : 0; // 1=有效, 0=过期 } // 对话框消息处理 INT_PTR CALLBACK DialogProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) { switch (uMsg) { case WM_INITDIALOG: g_hMainDlg = hDlg; InitializeControls(hDlg); ValidateLicenseOnStartup(); return TRUE; case WM_COMMAND: switch (LOWORD(wParam)) { case IDC_GENERATE_BTN: GenerateRegistrationCode(hDlg); break; case IDC_REGISTER_BTN: RegisterProduct(hDlg); break; case IDC_VALIDATE_BTN: ValidateLicenseOnStartup(); break; case IDCANCEL: EndDialog(hDlg, 0); return TRUE; } break; } return FALSE; } // 初始化控件 void InitializeControls(HWND hDlg) { // 设置字体 HFONT hFont = CreateFont(14, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE, L"Arial"); // 获取机器码并显示 const char* mc = GetMachineCode(); SetDlgItemTextA(hDlg, IDC_MACHINE_CODE, mc); // 设置控件字体 HWND hWnd = GetDlgItem(hDlg, IDC_MACHINE_CODE); SendMessage(hWnd, WM_SETFONT, (WPARAM)hFont, TRUE); hWnd = GetDlgItem(hDlg, IDC_REG_CODE); SendMessage(hWnd, WM_SETFONT, (WPARAM)hFont, TRUE); // 初始化授权天数下拉框 HWND hCombo = GetDlgItem(hDlg, IDC_DAYS_COMBO); SendMessageW(hCombo, CB_ADDSTRING, 0, (LPARAM)L"7天试用"); SendMessageW(hCombo, CB_ADDSTRING, 0, (LPARAM)L"15天试用"); SendMessageW(hCombo, CB_ADDSTRING, 0, (LPARAM)L"30天正式版"); SendMessageW(hCombo, CB_ADDSTRING, 0, (LPARAM)L"永久授权"); SendMessage(hCombo, CB_SETCURSEL, 3, 0); // 默认选择永久授权 // 设置状态文本 UpdateStatus("请选择授权类型并生成注册码"); } // 生成注册码 void GenerateRegistrationCode(HWND hDlg) { // 获取选择的授权天数 HWND hCombo = GetDlgItem(hDlg, IDC_DAYS_COMBO); int daysChoice = (int)SendMessage(hCombo, CB_GETCURSEL, 0, 0); // 计算注册码 const char* mc = GetMachineCode(); const char* regCode = ComputeRegistration(mc, daysChoice); // 显示注册码 SetDlgItemTextA(hDlg, IDC_REG_CODE, regCode); UpdateStatus("注册码已生成,点击注册按钮完成激活"); } // 注册产品 void RegisterProduct(HWND hDlg) { // 获取选择的授权天数 HWND hCombo = GetDlgItem(hDlg, IDC_DAYS_COMBO); int daysChoice = (int)SendMessage(hCombo, CB_GETCURSEL, 0, 0); // 获取注册码 char regCode[256] = { 0 }; GetDlgItemTextA(hDlg, IDC_REG_CODE, regCode, sizeof(regCode)); // 保存注册信息 const char* mc = GetMachineCode(); if (SaveRegistration(mc, regCode, daysChoice)) { UpdateStatus("产品注册成功!"); MessageBoxA(hDlg, "产品激活成功!", "注册成功", MB_OK | MB_ICONINFORMATION); } else { UpdateStatus("注册失败,请重试"); MessageBoxA(hDlg, "注册失败,请检查系统权限", "错误", MB_OK | MB_ICONERROR); } } // 验证授权 void ValidateLicenseOnStartup() { int status = ValidateLicense(); switch (status) { case 1: UpdateStatus("授权状态: 已激活 (有效授权)"); break; case 0: UpdateStatus("授权状态: 已过期 (请重新注册)"); break; case -1: UpdateStatus("授权状态: 未注册 (请激活产品)"); break; default: UpdateStatus("授权状态: 未知错误"); } } // 更新状态文本 void UpdateStatus(const char* message) { SetDlgItemTextA(g_hMainDlg, IDC_STATUS_TEXT, message); } // 主程序入口 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { // 初始化COM if (FAILED(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE))) { MessageBoxA(NULL, "COM初始化失败", "错误", MB_OK | MB_ICONERROR); return 1; } // 初始化通用控件 INITCOMMONCONTROLSEX icc; icc.dwSize = sizeof(icc); icc.dwICC = ICC_WIN95_CLASSES; InitCommonControlsEx(&icc); // 创建对话框 DialogBoxParam(hInstance, MAKEINTRESOURCE(IDD_MAIN_DIALOG), NULL, DialogProc, 0); // 清理COM CoUninitialize(); return 0; } [NK201!无法解析的外部符号 main,函数 "int cdecl invoke main(void)"(?invoke main@@YAHXZ)中引用了该符号 LNK112(1 个无法解析的外部命令
最新发布
07-18
#include "pch.h" #include <Windows.h> #include <Wbemidl.h> #include <comdef.h> #include <WinCrypt.h> #include <string> #include <algorithm> #include <sstream> #include <vector> #pragma comment(lib, "wbemuuid.lib") #pragma comment(lib, "Advapi32.lib") #pragma comment(lib, "Crypt32.lib") // 导出函数声明 extern "C" __declspec(dllexport) const char* GetMachineCode(); extern "C" __declspec(dllexport) const char* ComputeRegistration(const char* machineCode, int daysChoice); extern "C" __declspec(dllexport) BOOL SaveRegistration(const char* machineCode, const char* regCode, int daysChoice); extern "C" __declspec(dllexport) int ValidateLicense(); // 全局缓冲区用于返回字符串 thread_local static char g_buffer[256] = { 0 }; // 获取机器码函数 const char* GetMachineCode() { HRESULT hres; std::string serials; // 初始化COM hres = CoInitializeEx(0, COINIT_MULTITHREADED); if (FAILED(hres)) { strcpy_s(g_buffer, "COM Init Failed"); return g_buffer; } // 设置安全级别 hres = CoInitializeSecurity( NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_DEFAULT, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE, NULL ); if (FAILED(hres)) { CoUninitialize(); strcpy_s(g_buffer, "Security Init Failed"); return g_buffer; } // 创建WMI实例 IWbemLocator* pLoc = NULL; hres = CoCreateInstance( CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (LPVOID*)&pLoc ); if (FAILED(hres)) { CoUninitialize(); strcpy_s(g_buffer, "WMI Locator Failed"); return g_buffer; } // 连接WMI IWbemServices* pSvc = NULL; hres = pLoc->ConnectServer( _bstr_t(L"ROOT\\CIMV2"), NULL, NULL, 0, NULL, 0, 0, &pSvc ); if (FAILED(hres)) { pLoc->Release(); CoUninitialize(); strcpy_s(g_buffer, "WMI Connect Failed"); return g_buffer; } // 设置代理安全 hres = CoSetProxyBlanket( pSvc, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL, RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE ); if (FAILED(hres)) { pSvc->Release(); pLoc->Release(); CoUninitialize(); strcpy_s(g_buffer, "Proxy Setup Failed"); return g_buffer; } // 执行查询 IEnumWbemClassObject* pEnumerator = NULL; hres = pSvc->ExecQuery( bstr_t("WQL"), bstr_t("SELECT SerialNumber FROM Win32_DiskDrive"), WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator ); if (FAILED(hres)) { pSvc->Release(); pLoc->Release(); CoUninitialize(); strcpy_s(g_buffer, "Query Failed"); return g_buffer; } // 处理查询结果 IWbemClassObject* pclsObj = NULL; ULONG uReturn = 0; while (pEnumerator) { HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, &pclsObj, &uReturn); if (uReturn == 0) break; VARIANT vtProp; VariantInit(&vtProp); // 获取序列号 hr = pclsObj->Get(L"SerialNumber", 0, &vtProp, 0, 0); if (SUCCEEDED(hr) && vtProp.vt == VT_BSTR) { _bstr_t bstr(vtProp.bstrVal); serials += (const char*)bstr; } VariantClear(&vtProp); pclsObj->Release(); } // 清理资源 pEnumerator->Release(); pSvc->Release(); pLoc->Release(); CoUninitialize(); // 计算MD5哈希 HCRYPTPROV hProv = 0; HCRYPTHASH hHash = 0; BYTE rgbHash[16]; DWORD cbHash = 16; CHAR rgbDigits[] = "0123456789abcdef"; if (!CryptAcquireContext(&hProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) { strcpy_s(g_buffer, "Crypto Context Failed"); return g_buffer; } if (!CryptCreateHash(hProv, CALG_MD5, 0, 0, &hHash)) { CryptReleaseContext(hProv, 0); strcpy_s(g_buffer, "Hash Creation Failed"); return g_buffer; } if (!CryptHashData(hHash, (BYTE*)serials.c_str(), (DWORD)serials.length(), 0)) { CryptDestroyHash(hHash); CryptReleaseContext(hProv, 0); strcpy_s(g_buffer, "Hashing Failed"); return g_buffer; } if (CryptGetHashParam(hHash, HP_HASHVAL, rgbHash, &cbHash, 0)) { std::string hashStr; for (DWORD i = 0; i < cbHash; i++) { char hex[3]; sprintf_s(hex, "%02x", rgbHash[i]); hashStr += hex; } strcpy_s(g_buffer, hashStr.c_str()); } else { strcpy_s(g_buffer, "Hash Retrieval Failed"); } CryptDestroyHash(hHash); CryptReleaseContext(hProv, 0); return g_buffer; } // 计算注册码 const char* ComputeRegistration(const char* machineCode, int daysChoice) { int days; switch (daysChoice) { case 0: days = 7; break; case 1: days = 15; break; case 2: days = 30; break; default: days = 9999; // 永久 } std::string mc(machineCode); if (mc.length() < 5) { strcpy_s(g_buffer, "Invalid Machine Code"); return g_buffer; } // 算法:前4字符 + (第5字符ASCII+天数) + 反转字符前4 + 天数*100 std::string part1 = mc.substr(0, 4); char c = mc[4]; std::string part2 = std::to_string(static_cast<int>(c) + days); std::string reversed = mc; std::reverse(reversed.begin(), reversed.end()); std::string part3 = reversed.substr(0, 4); std::string part4 = std::to_string(days * 100); std::string regCode = part1 + part2 + part3 + part4; strcpy_s(g_buffer, regCode.c_str()); return g_buffer; } // 保存注册信息 BOOL SaveRegistration(const char* machineCode, const char* regCode, int daysChoice) { HKEY hKey; std::string subkey = "Software\\MyPlugin\\"; subkey += machineCode; // 创建注册表项 if (RegCreateKeyExA( HKEY_CURRENT_USER, subkey.c_str(), 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL) != ERROR_SUCCESS) { return FALSE; } // 写入注册码 if (RegSetValueExA( hKey, "Registration", 0, REG_SZ, (const BYTE*)regCode, (DWORD)strlen(regCode) + 1) != ERROR_SUCCESS) { RegCloseKey(hKey); return FALSE; } // 写入天数选项 std::string daysStr = std::to_string(daysChoice); if (RegSetValueExA( hKey, "ExpireDays", 0, REG_SZ, (const BYTE*)daysStr.c_str(), (DWORD)daysStr.length() + 1) != ERROR_SUCCESS) { RegCloseKey(hKey); return FALSE; } // 写入注册日期 (使用系统时间) SYSTEMTIME st; GetLocalTime(&st); char dateStr[32]; sprintf_s(dateStr, "%04d%02d%02d%02d%02d%02d", st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond); if (RegSetValueExA( hKey, "RegisterDate", 0, REG_SZ, (const BYTE*)dateStr, (DWORD)strlen(dateStr) + 1) != ERROR_SUCCESS) { RegCloseKey(hKey); return FALSE; } RegCloseKey(hKey); return TRUE; } // 验证授权 int ValidateLicense() { const char* machineCode = GetMachineCode(); if (!machineCode || strlen(machineCode) == 0) { return 0; // 获取机器码失败 } std::string subkey = "Software\\MyPlugin\\"; subkey += machineCode; HKEY hKey; if (RegOpenKeyExA( HKEY_CURRENT_USER, subkey.c_str(), 0, KEY_READ, &hKey) != ERROR_SUCCESS) { return -1; // 未注册 } // 读取注册信息 char regDate[32] = { 0 }; DWORD size = sizeof(regDate); if (RegQueryValueExA( hKey, "RegisterDate", NULL, NULL, (LPBYTE)regDate, &size) != ERROR_SUCCESS) { RegCloseKey(hKey); return -1; } char daysChoice[10] = { 0 }; size = sizeof(daysChoice); if (RegQueryValueExA( hKey, "ExpireDays", NULL, NULL, (LPBYTE)daysChoice, &size) != ERROR_SUCCESS) { RegCloseKey(hKey); return -1; } RegCloseKey(hKey); // 解析注册日期 int year, month, day, hour, min, sec; if (sscanf_s(regDate, "%4d%2d%2d%2d%2d%2d", &year, &month, &day, &hour, &min, &sec) != 6) { return -1; } // 计算已过天数 SYSTEMTIME regTime = { 0 }; regTime.wYear = year; regTime.wMonth = month; regTime.wDay = day; FILETIME ftReg, ftNow; SystemTimeToFileTime(&regTime, &ftReg); GetSystemTimeAsFileTime(&ftNow); ULARGE_INTEGER ulReg, ulNow; ulReg.LowPart = ftReg.dwLowDateTime; ulReg.HighPart = ftReg.dwHighDateTime; ulNow.LowPart = ftNow.dwLowDateTime; ulNow.HighPart = ftNow.dwHighDateTime; ULONGLONG diff = ulNow.QuadPart - ulReg.QuadPart; int daysPassed = static_cast<int>(diff / (10000000ULL * 60 * 60 * 24)); // 检查授权状态 int choice = atoi(daysChoice); if (choice == 3) return 1; // 永久授权 int maxDays = 0; switch (choice) { case 0: maxDays = 7; break; case 1: maxDays = 15; break; case 2: maxDays = 30; break; default: return 0; } return (daysPassed <= maxDays) ? 1 : 0; } 运行测试
07-18
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