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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,383 @@ | ||
| //---------------------------------------------------------------------- | ||
| // | ||
| // Ctrl2cap Installation Program | ||
| // | ||
| // This program installs and uninstalls the ctrl2cap keyboard | ||
| // filter driver. Its actions vary depending on whether running | ||
| // on NT 4 or Win2K. | ||
| // | ||
| //---------------------------------------------------------------------- | ||
| #include <windows.h> | ||
| #include <stdio.h> | ||
|
|
||
| // | ||
| // Registry keys we access | ||
| // | ||
| #define CTRL2CAP_DRIVER_KEY "System\\CurrentControlSet\\Services\\Ctrl2cap" | ||
| #define CTRL2CAP_FILTER_KEY "System\\CurrentControlSet\\Control\\Class\\{4D36E96B-E325-11CE-BFC1-08002BE10318}" | ||
|
|
||
| //---------------------------------------------------------------------- | ||
| // | ||
| // SearchMultiSz | ||
| // | ||
| // Finds the specified string in a multiSz. | ||
| // | ||
| //---------------------------------------------------------------------- | ||
| char * | ||
| SearchMultiSz( | ||
| char *Value, | ||
| DWORD ValueLength, | ||
| char *String | ||
| ) | ||
| { | ||
| DWORD len; | ||
|
|
||
| if( ValueLength < strlen( String )) return NULL; | ||
|
|
||
| len = ValueLength - strlen(String); | ||
| do { | ||
|
|
||
| if( !stricmp( &Value[len], String )) return &Value[len]; | ||
|
|
||
| } while( len-- ); | ||
| return NULL; | ||
| } | ||
|
|
||
|
|
||
| //---------------------------------------------------------------------- | ||
| // | ||
| // PrintError | ||
| // | ||
| // Presents an error as an easy to read message. | ||
| // | ||
| //---------------------------------------------------------------------- | ||
| void | ||
| PrintError( | ||
| DWORD Code | ||
| ) | ||
| { | ||
| CHAR buffer[80] ; | ||
| DWORD count ; | ||
|
|
||
| // | ||
| // Translate the Win32 error code into a useful message. | ||
| // | ||
| count = FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, | ||
| NULL, | ||
| Code, | ||
| 0, | ||
| buffer, | ||
| sizeof (buffer), | ||
| NULL) ; | ||
|
|
||
| // | ||
| // Make sure that the message could be translated. | ||
| // | ||
| if (count == 0) { | ||
|
|
||
| printf("\nError could not be translated.\n Code: %d\n", Code) ; | ||
| return; | ||
| } | ||
| else { | ||
|
|
||
| // | ||
| // Display the translated error. | ||
| // | ||
| printf("%s\n", buffer) ; | ||
| return; | ||
| } | ||
| } | ||
|
|
||
|
|
||
| //---------------------------------------------------------------------- | ||
| // | ||
| // Ctrl2capUninstall | ||
| // | ||
| // Uninstalls the ctrl2cap driver. | ||
| // | ||
| //---------------------------------------------------------------------- | ||
| void | ||
| Ctrl2capUninstall( | ||
| BOOLEAN Silent, | ||
| DWORD Version, | ||
| char *SystemDirectory | ||
| ) | ||
| { | ||
| HKEY hKey; | ||
| DWORD error, type, length; | ||
| char filters[MAX_PATH], *ptr; | ||
|
|
||
| // | ||
| // Delete the driver file. | ||
| // | ||
| if( !DeleteFile( SystemDirectory ) && !Silent) { | ||
|
|
||
| printf("Error deleting \\system32\\drivers\\ctrl2cap.sys:\n"); | ||
| PrintError( GetLastError()); | ||
| } | ||
|
|
||
| // | ||
| // Delete the driver Registry key. | ||
| // | ||
| RegDeleteKey( HKEY_LOCAL_MACHINE, CTRL2CAP_DRIVER_KEY"\\Security" ); | ||
| RegDeleteKey( HKEY_LOCAL_MACHINE, CTRL2CAP_DRIVER_KEY"\\Enum" ); | ||
| if(( error = RegDeleteKey( HKEY_LOCAL_MACHINE, CTRL2CAP_DRIVER_KEY )) != | ||
| ERROR_SUCCESS && !Silent ) { | ||
|
|
||
| printf("Error deleting ctrl2cap driver key:\n"); | ||
| PrintError( error ); | ||
| } | ||
|
|
||
| // | ||
| // Delete ctrl2cap from keyboard filter value | ||
| // | ||
| if( Version > 4 ) { | ||
|
|
||
| if( (error = RegOpenKey( HKEY_LOCAL_MACHINE, | ||
| CTRL2CAP_FILTER_KEY, | ||
| &hKey )) != ERROR_SUCCESS ) { | ||
|
|
||
| if( !Silent ) { | ||
| printf("Could not open Ctrl2cap filter Registry key:\n"); | ||
| PrintError( error ); | ||
| } | ||
| return; | ||
| } | ||
|
|
||
| length = sizeof( filters ); | ||
| if( (error = RegQueryValueEx( hKey, "UpperFilters", 0, &type, filters, &length )) != | ||
| ERROR_SUCCESS ) { | ||
|
|
||
| if( !Silent ) { | ||
|
|
||
| error = GetLastError(); | ||
| printf("Could not query Ctrl2cap filter Registry key:\n"); | ||
| PrintError( error ); | ||
| RegCloseKey( hKey ); | ||
| } | ||
| return; | ||
| } | ||
| if( ptr = SearchMultiSz( filters, length, "ctrl2cap" )) { | ||
|
|
||
| // | ||
| // Zap it. | ||
| // | ||
| memcpy( ptr, ptr + strlen("ctrl2cap")+1, | ||
| length - (ptr-filters) - strlen("ctrl2cap") -1 ); | ||
| length -= strlen("ctrl2cap")+1; | ||
|
|
||
| if( (error = RegSetValueEx( hKey, "UpperFilters", 0, type, | ||
| filters, length )) != ERROR_SUCCESS ) { | ||
|
|
||
| if( !Silent ) { | ||
|
|
||
| printf("Could not reset Ctrl2cap filter Registry key:\n"); | ||
| PrintError( error ); | ||
| } | ||
| } | ||
| } | ||
| RegCloseKey( hKey ); | ||
| } | ||
| printf("Ctrl2cap uninstalled. You must reboot for this to take effect.\n\n"); | ||
| } | ||
|
|
||
|
|
||
| //---------------------------------------------------------------------- | ||
| // | ||
| // Ctrl2capInstall | ||
| // | ||
| // Installs the ctrl2cap driver. | ||
| // | ||
| //---------------------------------------------------------------------- | ||
| void | ||
| Ctrl2capInstall( | ||
| DWORD Version, | ||
| char *SystemDirectory | ||
| ) | ||
| { | ||
| HKEY hKey; | ||
| DWORD error, value, type, length; | ||
| char filters[MAX_PATH]; | ||
|
|
||
| // | ||
| // First, copy the driver file to the system directory. | ||
| // | ||
| if( Version > 4 ) { | ||
|
|
||
| if( !CopyFile( "ctrl2cap.nt5.sys", SystemDirectory, FALSE )) { | ||
|
|
||
| printf("Could not copy ctrl2cap.nt5.sys to \\system32\\drivers.:\n"); | ||
| PrintError( GetLastError()); | ||
| exit(1); | ||
| } | ||
| } else { | ||
|
|
||
| if( !CopyFile( "ctrl2cap.nt4.sys", SystemDirectory, FALSE )) { | ||
|
|
||
| printf("Could not copy ctrl2cap.nt4.sys to \\system32\\drivers.:\n"); | ||
| PrintError( GetLastError()); | ||
| exit(1); | ||
| } | ||
| } | ||
|
|
||
| // | ||
| // Create the driver Registry key. | ||
| // | ||
| if( (error = RegCreateKey( HKEY_LOCAL_MACHINE, | ||
| CTRL2CAP_DRIVER_KEY, | ||
| &hKey )) != ERROR_SUCCESS ) { | ||
|
|
||
| error = GetLastError(); | ||
| PrintError( error ); | ||
| Ctrl2capUninstall( TRUE, Version, SystemDirectory ); | ||
| exit(1); | ||
| } | ||
|
|
||
| // | ||
| // Add the appropriate values. | ||
| // | ||
| value = 1; | ||
| RegSetValueEx( hKey, "Type", 0, REG_DWORD, (PCHAR) &value, sizeof(value)); | ||
| value = 1; | ||
| RegSetValueEx( hKey, "ErrorControl", 0, REG_DWORD, (PCHAR) &value, sizeof(value)); | ||
|
|
||
| // | ||
| // On Win2K, add the driver as a keyboard filter. | ||
| // | ||
| if( Version > 4 ) { | ||
|
|
||
| value = 3; | ||
| RegSetValueEx( hKey, "Start", 0, REG_DWORD, (PCHAR) &value, sizeof(value)); | ||
| RegCloseKey( hKey ); | ||
| if( (error = RegOpenKey( HKEY_LOCAL_MACHINE, | ||
| CTRL2CAP_FILTER_KEY, | ||
| &hKey )) != ERROR_SUCCESS ) { | ||
|
|
||
| printf("Could not create Ctrl2cap filter Registry key:\n"); | ||
| goto error; | ||
| } | ||
|
|
||
| length = sizeof( filters ); | ||
| if( (error = RegQueryValueEx( hKey, "UpperFilters", 0, &type, filters, &length )) != | ||
| ERROR_SUCCESS ) { | ||
|
|
||
| error = GetLastError(); | ||
| printf("Could not open Ctrl2cap filter Registry key:\n"); | ||
| RegCloseKey( hKey ); | ||
| goto error; | ||
| } | ||
|
|
||
| // | ||
| // Append ctrl2cap to the end. | ||
| // | ||
| if( !SearchMultiSz( filters, length, "ctrl2cap" )) { | ||
|
|
||
| strcpy( &filters[length-1], "ctrl2cap"); | ||
| length = length + strlen("ctrl2cap"); | ||
| filters[ length ] = 0; | ||
|
|
||
| if( (error = RegSetValueEx( hKey, "UpperFilters", 0, type, | ||
| filters, length + 1 )) != ERROR_SUCCESS ) { | ||
|
|
||
| error = GetLastError(); | ||
| printf("Could not set Ctrl2cap filter Registry key:\n"); | ||
| RegCloseKey( hKey ); | ||
| goto error; | ||
| } | ||
| } | ||
| RegCloseKey( hKey ); | ||
| } else { | ||
|
|
||
| value = 1; | ||
| RegSetValueEx( hKey, "Start", 0, REG_DWORD, (PCHAR) &value, sizeof(value)); | ||
| RegSetValueEx( hKey, "Group", 0, REG_SZ, "KeyboardClass", strlen("KeyboardClass")+1); | ||
| RegCloseKey( hKey ); | ||
| } | ||
|
|
||
| printf("Ctrl2cap successfully installed. You must reboot for it to take effect.\n\n"); | ||
| return; | ||
|
|
||
| error: | ||
| // | ||
| // Cleanup path when we have to uninstall stuff on the way out. | ||
| // | ||
| PrintError( error ); | ||
| Ctrl2capUninstall( TRUE, Version, SystemDirectory ); | ||
| exit(1); | ||
| } | ||
|
|
||
|
|
||
| //---------------------------------------------------------------------- | ||
| // | ||
| // Usage | ||
| // | ||
| // Tell the user the proper arguments. | ||
| // | ||
| //---------------------------------------------------------------------- | ||
| void | ||
| Usage( | ||
| char *name | ||
| ) | ||
| { | ||
| printf("usage: %s [/install | /uninstall]\n\n", name ); | ||
| exit(1); | ||
| } | ||
|
|
||
|
|
||
| //---------------------------------------------------------------------- | ||
| // | ||
| // Main | ||
| // | ||
| // Just prints banner and calls the uninstall or install function. | ||
| // | ||
| //---------------------------------------------------------------------- | ||
| void | ||
| main( | ||
| int argc, | ||
| char *argv[] | ||
| ) | ||
| { | ||
| DWORD version; | ||
| CHAR systemDirectory[MAX_PATH] ; | ||
|
|
||
| // | ||
| // Print banner | ||
| // | ||
| printf("\nCtrl2cap Installation Applet\n"); | ||
| printf("Copyright (C) 1999 Mark Russinovich\n"); | ||
| printf("Systems Internals - http://www.sysinternals.com\n\n"); | ||
| if( argc != 2 || | ||
| (stricmp( argv[1], "/install") && stricmp( argv[1], "/uninstall") )) { | ||
|
|
||
| Usage( argv[0] ); | ||
| } | ||
|
|
||
| // | ||
| // Get NT version | ||
| // | ||
| version = GetVersion(); | ||
| if( version >= 0x80000000 ) { | ||
|
|
||
| printf("This version of ctrl2cap works on NT 4 and Win2K.\n" | ||
| "Visit http://www.sysinternals.com for a version that works on Windows 9x\n\n"); | ||
| return; | ||
| } | ||
|
|
||
| // | ||
| // Get the system directory | ||
| // | ||
| GetSystemDirectory( systemDirectory, sizeof (systemDirectory)) ; | ||
| strcat( systemDirectory, "\\drivers\\ctrl2cap.sys") ; | ||
|
|
||
| // | ||
| // Do the install or uninstall routine. | ||
| // | ||
| if( !stricmp( argv[1], "/install" )) { | ||
|
|
||
| Ctrl2capInstall( version & 0xFF, systemDirectory ); | ||
|
|
||
| } else { | ||
|
|
||
| Ctrl2capUninstall( FALSE, version & 0xFF, systemDirectory ); | ||
| } | ||
| } |
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