Example #1
0
static HMODULE load_desktop_driver( HWND hwnd )
{
    static const WCHAR display_device_guid_propW[] = {
        '_','_','w','i','n','e','_','d','i','s','p','l','a','y','_',
        'd','e','v','i','c','e','_','g','u','i','d',0 };
    static const WCHAR key_pathW[] = {
        'S','y','s','t','e','m','\\',
        'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
        'C','o','n','t','r','o','l','\\',
        'V','i','d','e','o','\\','{',0};
    static const WCHAR displayW[] = {'}','\\','0','0','0','0',0};
    static const WCHAR driverW[] = {'G','r','a','p','h','i','c','s','D','r','i','v','e','r',0};
    HMODULE ret = 0;
    HKEY hkey;
    DWORD size;
    WCHAR path[MAX_PATH];
    WCHAR key[(sizeof(key_pathW) + sizeof(displayW)) / sizeof(WCHAR) + 40];
    UINT guid_atom = HandleToULong( GetPropW( hwnd, display_device_guid_propW ));

    USER_CheckNotLock();

    strcpy( driver_load_error, "The explorer process failed to start." );  /* default error */

    if (!guid_atom)
    {
        SendMessageW( hwnd, WM_NULL, 0, 0 );  /* wait for the desktop process to be ready */
        guid_atom = HandleToULong( GetPropW( hwnd, display_device_guid_propW ));
    }
    memcpy( key, key_pathW, sizeof(key_pathW) );
    if (!GlobalGetAtomNameW( guid_atom, key + strlenW(key), 40 )) return 0;
    strcatW( key, displayW );
    if (RegOpenKeyW( HKEY_LOCAL_MACHINE, key, &hkey )) return 0;
    size = sizeof(path);
    if (!RegQueryValueExW( hkey, driverW, NULL, NULL, (BYTE *)path, &size ))
    {
        if (!(ret = LoadLibraryW( path ))) ERR( "failed to load %s\n", debugstr_w(path) );
        TRACE( "%s %p\n", debugstr_w(path), ret );
    }
    else
    {
        size = sizeof(driver_load_error);
        RegQueryValueExA( hkey, "DriverError", NULL, NULL, (BYTE *)driver_load_error, &size );
    }
    RegCloseKey( hkey );
    return ret;
}
Example #2
0
/***********************************************************************
 *              NtOpenThread   (NTDLL.@)
 *              ZwOpenThread   (NTDLL.@)
 */
NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
                              const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
{
    NTSTATUS ret;

    SERVER_START_REQ( open_thread )
    {
        req->tid        = HandleToULong(id->UniqueThread);
        req->access     = access;
        req->attributes = attr ? attr->Attributes : 0;
        ret = wine_server_call( req );
        *handle = wine_server_ptr_handle( reply->handle );
    }
    SERVER_END_REQ;
    return ret;
}
Example #3
0
/******************************************************************
 *		fetch_process_info
 *
 * reads system wide process information, and gather from it the threads information
 * for process of id 'pid'
 */
static BOOL fetch_process_info(struct dump_context* dc)
{
    ULONG       buf_size = 0x1000;
    NTSTATUS    nts;
    void*       pcs_buffer = NULL;

    if (!(pcs_buffer = HeapAlloc(GetProcessHeap(), 0, buf_size))) return FALSE;
    for (;;)
    {
        nts = NtQuerySystemInformation(SystemProcessInformation,
                                       pcs_buffer, buf_size, NULL);
        if (nts != STATUS_INFO_LENGTH_MISMATCH) break;
        pcs_buffer = HeapReAlloc(GetProcessHeap(), 0, pcs_buffer, buf_size *= 2);
        if (!pcs_buffer) return FALSE;
    }

    if (nts == STATUS_SUCCESS)
    {
        SYSTEM_PROCESS_INFORMATION*     spi = pcs_buffer;
        unsigned                        i;

        for (;;)
        {
            if (HandleToUlong(spi->UniqueProcessId) == dc->pid)
            {
                dc->num_threads = spi->dwThreadCount;
                dc->threads = HeapAlloc(GetProcessHeap(), 0,
                                        dc->num_threads * sizeof(dc->threads[0]));
                if (!dc->threads) goto failed;
                for (i = 0; i < dc->num_threads; i++)
                {
                    dc->threads[i].tid        = HandleToULong(spi->ti[i].ClientId.UniqueThread);
                    dc->threads[i].prio_class = spi->ti[i].dwBasePriority; /* FIXME */
                    dc->threads[i].curr_prio  = spi->ti[i].dwCurrentPriority;
                }
                HeapFree(GetProcessHeap(), 0, pcs_buffer);
                return TRUE;
            }
            if (!spi->NextEntryOffset) break;
            spi = (SYSTEM_PROCESS_INFORMATION*)((char*)spi + spi->NextEntryOffset);
        }
    }
failed:
    HeapFree(GetProcessHeap(), 0, pcs_buffer);
    return FALSE;
}
Example #4
0
/**********************************************************************
 * GetThreadId [KERNEL32.@]
 *
 * Retrieve the identifier of a thread.
 *
 * PARAMS
 *  Thread [I] The thread to retrieve the identifier of.
 *
 * RETURNS
 *    Success: Identifier of the target thread.
 *    Failure: 0
 */
DWORD WINAPI GetThreadId(HANDLE Thread)
{
    THREAD_BASIC_INFORMATION tbi;
    NTSTATUS status;

    TRACE("(%p)\n", Thread);

    status = NtQueryInformationThread(Thread, ThreadBasicInformation, &tbi,
                                      sizeof(tbi), NULL);
    if (status)
    {
        SetLastError( RtlNtStatusToDosError(status) );
        return 0;
    }

    return HandleToULong(tbi.ClientId.UniqueThread);
}
Example #5
0
static BOOL get_display_device_reg_key(char *key, unsigned len)
{
    static const char display_device_guid_prop[] = "__wine_display_device_guid";
    static const char video_path[] = "System\\CurrentControlSet\\Control\\Video\\{";
    static const char display0[] = "}\\0000";
    ATOM guid_atom;

    assert(len >= sizeof(video_path) + sizeof(display0) + 40);

    guid_atom = HandleToULong(GetPropA(GetDesktopWindow(), display_device_guid_prop));
    if (!guid_atom) return FALSE;

    memcpy(key, video_path, sizeof(video_path));

    if (!GlobalGetAtomNameA(guid_atom, key + strlen(key), 40))
        return FALSE;

    strcat(key, display0);

    TRACE("display device key %s\n", wine_dbgstr_a(key));
    return TRUE;
}
Example #6
0
/***************************************************************************
 *                  CreateRemoteThread   (KERNEL32.@)
 *
 * Creates a thread that runs in the address space of another process
 *
 * PARAMS
 *
 * RETURNS
 *   Success: Handle to the new thread.
 *   Failure: NULL. Use GetLastError() to find the error cause.
 *
 * BUGS
 *   Improper memory allocation: there's no ability to free new_thread_info
 *   in other process.
 *   Bad start address for RtlCreateUserThread because the library
 *   may be loaded at different address in other process.
 */
HANDLE WINAPI CreateRemoteThread( HANDLE hProcess, SECURITY_ATTRIBUTES *sa, SIZE_T stack,
                                  LPTHREAD_START_ROUTINE start, LPVOID param,
                                  DWORD flags, LPDWORD id )
{
    HANDLE handle;
    CLIENT_ID client_id;
    NTSTATUS status;
    SIZE_T stack_reserve = 0, stack_commit = 0;

    if (flags & STACK_SIZE_PARAM_IS_A_RESERVATION) stack_reserve = stack;
    else stack_commit = stack;

    status = RtlCreateUserThread( hProcess, NULL, TRUE,
                                  NULL, stack_reserve, stack_commit,
                                  (PRTL_THREAD_START_ROUTINE)start, param, &handle, &client_id );
    if (status == STATUS_SUCCESS)
    {
        if (id) *id = HandleToULong(client_id.UniqueThread);
        if (sa && (sa->nLength >= sizeof(*sa)) && sa->bInheritHandle)
            SetHandleInformation( handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT );
        if (!(flags & CREATE_SUSPENDED))
        {
            ULONG ret;
            if (NtResumeThread( handle, &ret ))
            {
                NtClose( handle );
                SetLastError( ERROR_NOT_ENOUGH_MEMORY );
                handle = 0;
            }
        }
    }
    else
    {
        SetLastError( RtlNtStatusToDosError(status) );
        handle = 0;
    }
    return handle;
}
Example #7
0
/***********************************************************************
 *		GetCurrentThreadId (KERNEL32.@)
 *
 * Get the current thread identifier.
 *
 * RETURNS
 *  current thread identifier
 */
DWORD WINAPI GetCurrentThreadId(void)
{
    return HandleToULong(NtCurrentTeb()->ClientId.UniqueThread);
}
Example #8
0
/***********************************************************************
 *		GetCurrentProcessId (KERNEL32.@)
 *
 * Get the current process identifier.
 *
 * RETURNS
 *  current process identifier
 */
DWORD WINAPI GetCurrentProcessId(void)
{
    return HandleToULong(NtCurrentTeb()->ClientId.UniqueProcess);
}
Example #9
0
static HANDLE modify_handle(HANDLE handle, DWORD modify)
{
    DWORD tmp = HandleToULong(handle);
    tmp |= modify;
    return ULongToHandle(tmp);
}
Example #10
0
/***********************************************************************
 *           GetProcessDword    (KERNEL.485)
 * 'Of course you cannot directly access Windows internal structures'
 */
DWORD WINAPI GetProcessDword( DWORD dwProcessID, INT offset )
{
    DWORD               x, y;
    STARTUPINFOW        siw;

    TRACE("(%d, %d)\n", dwProcessID, offset );

    if (dwProcessID && dwProcessID != GetCurrentProcessId())
    {
        ERR("%d: process %x not accessible\n", offset, dwProcessID);
        return 0;
    }

    switch ( offset )
    {
    case GPD_APP_COMPAT_FLAGS:
        return GetAppCompatFlags16(0);
    case GPD_LOAD_DONE_EVENT:
        return 0;
    case GPD_HINSTANCE16:
        return GetTaskDS16();
    case GPD_WINDOWS_VERSION:
        return GetExeVersion16();
    case GPD_THDB:
        return (DWORD_PTR)NtCurrentTeb() - 0x10 /* FIXME */;
    case GPD_PDB:
        return (DWORD_PTR)NtCurrentTeb()->Peb; /* FIXME: truncating a pointer */
    case GPD_STARTF_SHELLDATA: /* return stdoutput handle from startupinfo ??? */
        GetStartupInfoW(&siw);
        return HandleToULong(siw.hStdOutput);
    case GPD_STARTF_HOTKEY: /* return stdinput handle from startupinfo ??? */
        GetStartupInfoW(&siw);
        return HandleToULong(siw.hStdInput);
    case GPD_STARTF_SHOWWINDOW:
        GetStartupInfoW(&siw);
        return siw.wShowWindow;
    case GPD_STARTF_SIZE:
        GetStartupInfoW(&siw);
        x = siw.dwXSize;
        if ( (INT)x == CW_USEDEFAULT ) x = CW_USEDEFAULT16;
        y = siw.dwYSize;
        if ( (INT)y == CW_USEDEFAULT ) y = CW_USEDEFAULT16;
        return MAKELONG( x, y );
    case GPD_STARTF_POSITION:
        GetStartupInfoW(&siw);
        x = siw.dwX;
        if ( (INT)x == CW_USEDEFAULT ) x = CW_USEDEFAULT16;
        y = siw.dwY;
        if ( (INT)y == CW_USEDEFAULT ) y = CW_USEDEFAULT16;
        return MAKELONG( x, y );
    case GPD_STARTF_FLAGS:
        GetStartupInfoW(&siw);
        return siw.dwFlags;
    case GPD_PARENT:
        return 0;
    case GPD_FLAGS:
        return GetProcessFlags(0);
    case GPD_USERDATA:
        return process_dword;
    default:
        ERR("Unknown offset %d\n", offset );
        return 0;
    }
}