mirror of
https://github.com/pbatard/rufus.git
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125 lines
4.4 KiB
C
125 lines
4.4 KiB
C
/*
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* Setup - Wrapper around Microsoft's setup.exe that adds registry
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* bypasses for in-place Windows 11 upgrade.
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*
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* Copyright © 2024 Pete Batard <pete@akeo.ie>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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static BOOL RegDeleteNodeRecurse(HKEY hKeyRoot, CHAR* lpSubKey)
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{
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CHAR* lpEnd;
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LONG lResult;
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DWORD dwSize;
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CHAR szName[MAX_PATH];
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HKEY hKey;
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FILETIME ftWrite;
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// First, see if we can delete the key without having to recurse.
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if (RegDeleteKeyA(hKeyRoot, lpSubKey) == ERROR_SUCCESS)
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return TRUE;
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lResult = RegOpenKeyExA(hKeyRoot, lpSubKey, 0, KEY_READ, &hKey);
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if (lResult != ERROR_SUCCESS)
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return (lResult == ERROR_FILE_NOT_FOUND);
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// Check for an ending slash and add one if it is missing.
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lpEnd = lpSubKey + strlen(lpSubKey);
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if (*(lpEnd - 1) != '\\') {
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*lpEnd++ = '\\';
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*lpEnd = '\0';
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}
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// Enumerate the keys
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dwSize = MAX_PATH;
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if (RegEnumKeyExA(hKey, 0, szName, &dwSize, NULL, NULL, NULL, &ftWrite) == ERROR_SUCCESS) {
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do {
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*lpEnd = '\0';
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strcat_s(lpSubKey, MAX_PATH, szName);
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if (!RegDeleteNodeRecurse(hKeyRoot, lpSubKey))
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break;
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dwSize = MAX_PATH;
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lResult = RegEnumKeyExA(hKey, 0, szName, &dwSize, NULL, NULL, NULL, &ftWrite);
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} while (lResult == ERROR_SUCCESS);
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}
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*--lpEnd = '\0';
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RegCloseKey(hKey);
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// Try again to delete the key.
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return (RegDeleteKeyA(hKeyRoot, lpSubKey) == ERROR_SUCCESS);
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}
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static BOOL RegDeleteNode(HKEY hKeyRoot, CHAR* lpSubKey)
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{
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CHAR szDelKey[MAX_PATH];
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strcpy_s(szDelKey, MAX_PATH, lpSubKey);
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return RegDeleteNodeRecurse(hKeyRoot, szDelKey);
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}
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static BOOL RegWriteKey(HKEY hKeyRoot, CHAR* lpKeyParent, CHAR* lpKeyName, DWORD dwType, LPBYTE lpData, DWORD dwDataSize)
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{
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BOOL r = FALSE;
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HKEY hRoot = NULL, hApp = NULL;
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DWORD dwDisp;
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HKEY hKey;
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if (RegCreateKeyExA(hKeyRoot, lpKeyParent, 0, NULL, 0, KEY_SET_VALUE | KEY_QUERY_VALUE, NULL, &hKey, &dwDisp) != ERROR_SUCCESS)
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return FALSE;
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r = (RegSetValueExA(hKey, lpKeyName, 0, dwType, lpData, dwDataSize) == ERROR_SUCCESS);
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RegCloseKey(hKey);
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return r;
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}
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int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
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{
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CHAR lpBypasses[] = "SQ_SecureBootCapable=TRUE\0SQ_SecureBootEnabled=TRUE\0SQ_TpmVersion=2\0SQ_RamMB=8192\0";
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DWORD dwUpgrade = 1, dwAttrib;
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STARTUPINFOA si = { 0 };
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PROCESS_INFORMATION pi = { 0 };
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SECURITY_ATTRIBUTES sa = { sizeof(SECURITY_ATTRIBUTES), NULL, TRUE };
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// Make sure we have 'setup.dll' in the same directory
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dwAttrib = GetFileAttributesA("setup.dll");
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if (dwAttrib == INVALID_FILE_ATTRIBUTES || dwAttrib & FILE_ATTRIBUTE_DIRECTORY)
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MessageBoxA(NULL, "ERROR: 'setup.dll' was not found", "Windows setup error", MB_OK | MB_ICONWARNING);
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// Apply the registry bypasses to enable Windows 11 24H2 in-place upgrade
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RegDeleteNode(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\CompatMarkers");
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RegDeleteNode(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\Shared");
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RegDeleteNode(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\TargetVersionUpgradeExperienceIndicators");
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RegWriteKey(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\HwReqChk",
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"HwReqChkVars", REG_MULTI_SZ, lpBypasses, sizeof(lpBypasses));
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RegWriteKey(HKEY_LOCAL_MACHINE, "SYSTEM\\Setup\\MoSetup", "AllowUpgradesWithUnsupportedTPMOrCPU",
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REG_DWORD, (LPBYTE)&dwUpgrade, sizeof(dwUpgrade));
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// Launch the original 'setup.exe' (that was renamed to 'setup.dll')
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si.cb = sizeof(si);
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si.dwFlags = STARTF_USESHOWWINDOW;
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si.wShowWindow = SW_SHOWNORMAL;
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CreateProcessA("setup.dll", NULL, NULL, NULL, TRUE, NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
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CloseHandle(pi.hProcess);
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CloseHandle(pi.hThread);
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return GetLastError();
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}
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