wolInit.cpp

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/*
**  Command & Conquer Generals Zero Hour(tm)
**  Copyright 2025 Electronic Arts Inc.
**
**  This program is free software: you can redistribute it and/or modify
**  it under the terms of the GNU General Public License as published by
**  the Free Software Foundation, either version 3 of the License, or
**  (at your option) any later version.
**
**  This program is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
 
// FILE: WOLinit.cpp //////////////////////////////////////////////////////
// Westwood Online DLL/COM/ initialization/teardown
// Author: Matthew D. Campbell, December 2001
 
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <snmp.h>
#include <winreg.h>
 
#include <atlbase.h>
extern CComModule _Module;  // Required for COM - must be between atlbase.h and atlcom.h.  Funky, no?
#include <atlcom.h>
 
#include <stdio.h>
#include <stdarg.h>
 
#include "wolSetup.h"
#include "wolapi/wolapi.h"
 
unsigned long g_wolapiRegistryVersion = 0;
unsigned long g_wolapiRealVersion = 0;
bool g_wolapiInstalled = false;
char g_wolapiRegFilename[MAX_PATH];
char g_wolapiRealFilename[MAX_PATH];
char g_generalsFilename[MAX_PATH];
char g_generalsSerial[1024];
 
#define GENERALS_REG_KEY_TOP "HKEY_LOCAL_MACHINE"                                                       
#define GENERALS_REG_KEY_PATH "SOFTWARE\\Westwood\\Generals"                                
#define GENERALS_REG_KEY_BOTTOM GENERALS_REG_KEY_PATH "\\"                                  
#define GENERALS_REG_KEY_VERSION "Version"                                                                  
#define GENERALS_REG_KEY_SKU "SKU"                                                                                  
#define GENERALS_REG_KEY_NAME "Name"                                                                                
#define GENERALS_REG_KEY_INSTALLPATH "InstallPath"                                                  
#define GENERALS_REG_KEY_SERIAL "Serial"                                                                        
#define GENERALS_REG_KEY GENERALS_REG_KEY_TOP "\\" GENERALS_REG_KEY_BOTTOM  
 
#define WOLAPI_REG_KEY_TOP "HKEY_LOCAL_MACHINE"                                                         
#define WOLAPI_REG_KEY_PATH "SOFTWARE\\Westwood\\WOLAPI"                                        
#define WOLAPI_REG_KEY_BOTTOM WOLAPI_REG_KEY_PATH "\\"                                          
#define WOLAPI_REG_KEY_VERSION "Version"                                                                        
#define WOLAPI_REG_KEY_INSTALLPATH "InstallPath"                                                        
#define WOLAPI_REG_KEY WOLAPI_REG_KEY_TOP "\\" WOLAPI_REG_KEY_BOTTOM                
 
#define DLL_REG_KEY_TOP "HKEY_CLASSES_ROOT"                                                         
#define DLL_REG_KEY_PATH "CLSID\\{18FD6763-F5EA-4fa5-B2A9-668554152FAE}\\InprocServer32"                                        
#define DLL_REG_KEY_BOTTOM DLL_REG_KEY_PATH "\\"                                            
#define DLL_REG_KEY_LOCATION ""                                                                     
 
void getPathsFromRegistry( void )
{
    HKEY handle;
    unsigned long type;
    unsigned long size;
    int returnValue;
 
    size = sizeof(g_generalsFilename);
    strcpy(g_generalsFilename, "No install path in registry");
 
    if (RegOpenKeyEx( HKEY_LOCAL_MACHINE, GENERALS_REG_KEY_PATH, 0, KEY_ALL_ACCESS, &handle ) == ERROR_SUCCESS) {
 
        returnValue = RegQueryValueEx(handle, GENERALS_REG_KEY_INSTALLPATH, NULL, &type, (unsigned char *) &g_generalsFilename, &size);
 
        if (returnValue != ERROR_SUCCESS)
        {
            strcpy(g_generalsFilename, "No install path in registry");
        }
 
        RegCloseKey( handle );
    }
 
    size = sizeof(g_generalsSerial);
    strcpy(g_generalsSerial, "0");
 
    if (RegOpenKeyEx( HKEY_LOCAL_MACHINE, GENERALS_REG_KEY_PATH, 0, KEY_ALL_ACCESS, &handle ) == ERROR_SUCCESS) {
 
        returnValue = RegQueryValueEx(handle, GENERALS_REG_KEY_SERIAL, NULL, &type, (unsigned char *) &g_generalsSerial, &size);
 
        if (returnValue != ERROR_SUCCESS)
        {
            strcpy(g_generalsSerial, "0");
        }
 
        RegCloseKey( handle );
    }
 
    size = sizeof(g_wolapiRegFilename);
    strcpy(g_wolapiRegFilename, "No install path in registry");
    g_wolapiInstalled = true;
 
    if (RegOpenKeyEx( HKEY_LOCAL_MACHINE, WOLAPI_REG_KEY_PATH, 0, KEY_ALL_ACCESS, &handle ) == ERROR_SUCCESS) {
 
        returnValue = RegQueryValueEx(handle, WOLAPI_REG_KEY_INSTALLPATH, NULL, &type, (unsigned char *) &g_wolapiRegFilename, &size);
 
        if (returnValue != ERROR_SUCCESS)
        {
            strcpy(g_wolapiRegFilename, "No install path in registry");
            g_wolapiInstalled = false;
        }
 
        RegCloseKey( handle );
    }
 
    size = sizeof(g_wolapiRealFilename);
    strcpy(g_wolapiRealFilename, "No wolapi.dll installed");
 
    if (RegOpenKeyEx( HKEY_CLASSES_ROOT, DLL_REG_KEY_PATH, 0, KEY_ALL_ACCESS, &handle ) == ERROR_SUCCESS) {
 
        returnValue = RegQueryValueEx(handle, DLL_REG_KEY_LOCATION, NULL, &type, (unsigned char *) &g_wolapiRealFilename, &size);
 
        if (returnValue != ERROR_SUCCESS)
        {
            strcpy(g_wolapiRealFilename, "No wolapi.dll installed");
            g_wolapiInstalled = false;
        }
 
        RegCloseKey( handle );
    }
}
 
void setupGenerals( const char *genPath, const char *genSerial )
{
    HKEY handle;
    unsigned long type;
    unsigned long returnValue;
    int size;
 
    if (RegCreateKeyEx( HKEY_LOCAL_MACHINE, GENERALS_REG_KEY_PATH, 0, "REG_NONE", REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &handle, NULL ) == ERROR_SUCCESS) {
 
        type = REG_SZ;
        size = strlen(genPath)+1;
        returnValue = RegSetValueEx(handle, GENERALS_REG_KEY_INSTALLPATH, 0, type, (unsigned char *) genPath, size);
 
        size = strlen(genSerial)+1;
        returnValue = RegSetValueEx(handle, GENERALS_REG_KEY_SERIAL, 0, type, (unsigned char *) genSerial, size);
 
        size = strlen("Generals")+1;
        returnValue = RegSetValueEx(handle, GENERALS_REG_KEY_NAME, 0, type, (unsigned char *) "Generals", size);
 
        type = REG_DWORD;
        size = sizeof(DWORD);
        unsigned long value = 65536;
        returnValue = RegSetValueEx(handle, GENERALS_REG_KEY_VERSION, 0, type, (unsigned char *) &value, size);
        value = 12544;
        returnValue = RegSetValueEx(handle, GENERALS_REG_KEY_SKU, 0, type, (unsigned char *) &value, size);
 
        RegCloseKey( handle );
    }
 
}
 

class OLEInitializer
{
 public:
          OLEInitializer() { OleInitialize(NULL); }
         ~OLEInitializer() { OleUninitialize(); }
};
OLEInitializer g_OLEInitializer;
CComModule _Module;
 
IChat *g_pChat = NULL;

void checkInstalledWolapiVersion( void )
{
    // Initialize this instance
    _Module.Init(NULL, g_hInst);
 
    // Create the WOLAPI instance
    CoCreateInstance(CLSID_Chat, NULL, CLSCTX_INPROC_SERVER, \
                     IID_IChat, (void**)&g_pChat);
 
    if (g_pChat)
    {
        // Grab versions
        g_pChat->GetVersion(&g_wolapiRealVersion);
 
        // Release everything
        g_pChat->Release();
 
        g_wolapiInstalled = true;
    }
 
    _Module.Term();
 
    // Grab path info from registry
    getPathsFromRegistry();
 
    return;
}