static
VOID
StartInstaller(VOID)
{
WCHAR Shell[MAX_PATH];
WCHAR szMsg[RC_STRING_MAX_SIZE];
if (GetWindowsDirectory(Shell, MAX_PATH - 12))
wcscat(Shell, L"\\reactos.exe");
else
wcscpy(Shell, L"reactos.exe");
if (!TryToStartShell(Shell))
{
ERR("Failed to start the installer: %s\n", debugstr_w(Shell));
LoadStringW(GetModuleHandle(NULL), IDS_INSTALLER_FAIL, szMsg, sizeof(szMsg) / sizeof(szMsg[0]));
MessageBoxW(0, szMsg, NULL, 0);
}
}
static BOOL
StartInstaller(VOID)
{
WCHAR Shell[MAX_PATH];
WCHAR szMsg[RC_STRING_MAX_SIZE];
if (GetWindowsDirectoryW(Shell, ARRAYSIZE(Shell) - 12))
wcscat(Shell, L"\\reactos.exe");
else
wcscpy(Shell, L"reactos.exe");
if (!TryToStartShell(Shell))
{
WARN("Failed to start the installer: %s\n", debugstr_w(Shell));
LoadStringW(GetModuleHandle(NULL), IDS_INSTALLER_FAIL, szMsg, ARRAYSIZE(szMsg));
MessageBoxW(NULL, szMsg, NULL, MB_OK);
return FALSE;
}
return TRUE;
}
static BOOL
StartShell(VOID)
{
WCHAR Shell[MAX_PATH];
WCHAR szMsg[RC_STRING_MAX_SIZE];
DWORD Type, Size;
DWORD Value = 0;
LONG rc;
HKEY hKey;
TRACE("()\n");
/* Safe Mode shell run */
rc = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
L"SYSTEM\\CurrentControlSet\\Control\\SafeBoot\\Option",
0, KEY_QUERY_VALUE, &hKey);
if (rc == ERROR_SUCCESS)
{
Size = sizeof(Value);
rc = RegQueryValueExW(hKey, L"UseAlternateShell", NULL,
&Type, (LPBYTE)&Value, &Size);
RegCloseKey(hKey);
if (rc == ERROR_SUCCESS)
{
if (Type == REG_DWORD)
{
if (Value)
{
/* Safe Mode Alternate Shell required */
rc = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
L"SYSTEM\\CurrentControlSet\\Control\\SafeBoot",
0, KEY_READ, &hKey);
if (rc == ERROR_SUCCESS)
{
Size = sizeof(Shell);
rc = RegQueryValueExW(hKey, L"AlternateShell", NULL,
&Type, (LPBYTE)Shell, &Size);
RegCloseKey(hKey);
if (rc == ERROR_SUCCESS)
{
if ((Type == REG_SZ) || (Type == REG_EXPAND_SZ))
{
TRACE("Key located - %s\n", debugstr_w(Shell));
/* Try to run alternate shell */
if (TryToStartShell(Shell))
{
TRACE("Alternate shell started (Safe Mode)\n");
return TRUE;
}
}
else
{
WARN("Wrong type %lu (expected %u or %u)\n",
Type, REG_SZ, REG_EXPAND_SZ);
}
}
else
{
WARN("Alternate shell in Safe Mode required but not specified.");
}
}
}
}
else
{
WARN("Wrong type %lu (expected %u)\n", Type, REG_DWORD);
}
}
}
/* Try to run shell in user key */
if (GetShell(Shell, HKEY_CURRENT_USER) && TryToStartShell(Shell))
{
TRACE("Started shell from HKEY_CURRENT_USER\n");
return TRUE;
}
/* Try to run shell in local machine key */
if (GetShell(Shell, HKEY_LOCAL_MACHINE) && TryToStartShell(Shell))
{
TRACE("Started shell from HKEY_LOCAL_MACHINE\n");
return TRUE;
}
/* Try default shell */
if (IsConsoleShell())
{
if (GetSystemDirectoryW(Shell, ARRAYSIZE(Shell) - 8))
wcscat(Shell, L"\\cmd.exe");
else
wcscpy(Shell, L"cmd.exe");
}
else
{
if (GetWindowsDirectoryW(Shell, ARRAYSIZE(Shell) - 13))
wcscat(Shell, L"\\explorer.exe");
else
wcscpy(Shell, L"explorer.exe");
}
if (!TryToStartShell(Shell))
{
WARN("Failed to start default shell %s\n", debugstr_w(Shell));
LoadStringW(GetModuleHandle(NULL), IDS_SHELL_FAIL, szMsg, ARRAYSIZE(szMsg));
MessageBoxW(NULL, szMsg, NULL, MB_OK);
return FALSE;
}
return TRUE;
}
