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Skip the patch when already patched

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This commit is contained in:
KagamineHaku
2024-11-26 01:40:57 +07:00
parent 8aef1cfa79
commit 2d3d6fc2bb
1 changed files with 43 additions and 26 deletions
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69
platform/opensslpatch.c
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@ -26,39 +26,56 @@ int check_cpu() {
return 0; return 0;
} }
static int is_env_variable_set(const char* variablename, const char* expectedvalue) {
char currentvalue[256];
DWORD length = GetEnvironmentVariableA(variablename, currentvalue, sizeof(currentvalue));
if (length > 0 && length < sizeof(currentvalue)) {
return strcmp(currentvalue, expectedvalue) == 0;
}
return 0;
}
//Set User's Environment variable via registry //Set User's Environment variable via registry
// static void openssl_patch(void) {
// const char* variablename = "OPENSSL_ia32cap";
// const char* variablevalue = "~0x20000000";
// HKEY hKey;
// if (RegOpenKeyExA(HKEY_CURRENT_USER, "Environment", 0, KEY_SET_VALUE, &hKey) == ERROR_SUCCESS) {
// if (RegSetValueExA(hKey, variablename, 0, REG_SZ, (const BYTE*)variablevalue, strlen(variablevalue) + 1) == ERROR_SUCCESS) {
// dprintf("OpenSSL Patch: Applied successfully, set the user environment variable %s to %s\n", variablename, variablevalue);
// } else {
// dprintf("OpenSSL Patch: Error: Failed to set the user environment variable.\n");
// }
// RegCloseKey(hKey);
// SendMessageTimeoutA(HWND_BROADCAST, WM_SETTINGCHANGE, 0, (LPARAM)"Environment", SMTO_ABORTIFHUNG, 5000, NULL);
// } else {
// dprintf("OpenSSL Patch: Error: Failed to open the user environment registry key.\n");
// }
// }
//Set environment variable for current process
static void openssl_patch(void) { static void openssl_patch(void) {
const wchar_t* variablename = L"OPENSSL_ia32cap"; const char* variablename = "OPENSSL_ia32cap";
const wchar_t* variablevalue = L"~0x20000000"; const char* variablevalue = "~0x20000000";
if (SetEnvironmentVariableW(variablename, variablevalue)) { if (is_env_variable_set(variablename, variablevalue)) {
dprintf("OpenSSL Patch: Applied successfully, set the environment variable %ls to %ls\n", variablename, variablevalue); return;
}
HKEY hKey;
if (RegOpenKeyExA(HKEY_CURRENT_USER, "Environment", 0, KEY_SET_VALUE, &hKey) == ERROR_SUCCESS) {
if (RegSetValueExA(hKey, variablename, 0, REG_SZ, (const BYTE*)variablevalue, strlen(variablevalue) + 1) == ERROR_SUCCESS) {
dprintf("OpenSSL Patch: Applied successfully. User environment variable %s set to %s\n", variablename, variablevalue);
SendMessageTimeoutA(HWND_BROADCAST, WM_SETTINGCHANGE, 0, (LPARAM)"Environment", SMTO_ABORTIFHUNG, 5000, NULL);
dprintf(
"Please close this windows and reopen the game to enjoy.\n"
);
ExitProcess(0);
} else {
dprintf("OpenSSL Patch: Error: Failed to set the user environment variable.\n");
}
RegCloseKey(hKey);
} else { } else {
dprintf("OpenSSL Patch: Error: Failed to set the environment variable.\n"); dprintf("OpenSSL Patch: Error: Failed to open the user environment registry key.\n");
} }
} }
//Set environment variable for current process
// static void openssl_patch(void) {
// const wchar_t* variablename = L"OPENSSL_ia32cap";
// const wchar_t* variablevalue = L"~0x20000000";
// if (SetEnvironmentVariableW(variablename, variablevalue)) {
// dprintf("OpenSSL Patch: Applied successfully, set the environment variable %ls to %ls\n", variablename, variablevalue);
// } else {
// dprintf("OpenSSL Patch: Error: Failed to set the environment variable.\n");
// }
// }
HRESULT openssl_patch_apply(const struct openssl_patch_config *cfg) { HRESULT openssl_patch_apply(const struct openssl_patch_config *cfg) {
HRESULT hr; HRESULT hr;