#include <errno.h>
+
+
+/* Pointers to functions that are not available on all targetted versions of
+ * Windows (XP and later). NOTE: The WINAPI annotations seem to be important; I
+ * assume it specifies a certain calling convention. */
+
+/* Vista and later */
+static HANDLE (WINAPI *win32func_FindFirstStreamW)(LPCWSTR lpFileName,
+ STREAM_INFO_LEVELS InfoLevel,
+ LPVOID lpFindStreamData,
+ DWORD dwFlags) = NULL;
+
+/* Vista and later */
+static BOOL (WINAPI *win32func_FindNextStreamW)(HANDLE hFindStream,
+ LPVOID lpFindStreamData) = NULL;
+
+static HMODULE hKernel32 = NULL;
+
+/* Try to dynamically load some functions */
+void
+win32_global_init()
+{
+ DWORD err;
+ bool warned;
+
+
+ if (hKernel32 == NULL) {
+ DEBUG("Loading Kernel32.dll");
+ hKernel32 = LoadLibraryA("Kernel32.dll");
+ if (hKernel32 == NULL) {
+ err = GetLastError();
+ WARNING("Can't load Kernel32.dll");
+ win32_error(err);
+ return;
+ }
+ }
+
+ DEBUG("Looking for FindFirstStreamW");
+ win32func_FindFirstStreamW = (void*)GetProcAddress(hKernel32, "FindFirstStreamW");
+ if (!win32func_FindFirstStreamW) {
+ WARNING("Could not find function FindFirstStreamW() in Kernel32.dll!");
+ WARNING("Capturing alternate data streams will not be supported.");
+ return;
+ }
+
+ DEBUG("Looking for FindNextStreamW");
+ win32func_FindNextStreamW = (void*)GetProcAddress(hKernel32, "FindNextStreamW");
+ if (!win32func_FindNextStreamW) {
+ WARNING("Could not find function FindNextStreamW() in Kernel32.dll!");
+ WARNING("Capturing alternate data streams will not be supported.");
+ win32func_FindFirstStreamW = NULL;
+ }
+}
+
+void
+win32_global_cleanup()
+{
+ if (hKernel32 != NULL) {
+ DEBUG("Closing Kernel32.dll");
+ FreeLibrary(hKernel32);
+ hKernel32 = NULL;
+ }
+}
+
static const char *access_denied_msg =
" If you are not running this program as the administrator, you may\n"
" need to do so, so that all data and metadata can be backed up.\n"
}
int
-win32_read_file(const mbchar *filename,
+win32_read_file(const utf16lechar *win32_filename,
void *handle, u64 offset, size_t size, void *buf)
{
HANDLE h = handle;
if (ReadFile(h, buf, size, &bytesRead, NULL) && bytesRead == size)
return 0;
err = GetLastError();
- ERROR("Error reading \"%s\"", filename);
+ ERROR("Error reading \"%ls\"", win32_filename);
win32_error(err);
return WIMLIB_ERR_READ;
}
*
* @lookup_table: Stream lookup table for the WIM.
*
+ * @file_size: Size of unnamed data stream. (Used only if alternate
+ * data streams API appears to be unavailable.)
+ *
* Returns 0 on success; nonzero on failure.
*/
static int
win32_capture_streams(const wchar_t *path_utf16,
size_t path_utf16_nchars,
struct wim_inode *inode,
- struct wim_lookup_table *lookup_table)
+ struct wim_lookup_table *lookup_table,
+ u64 file_size)
{
WIN32_FIND_STREAM_DATA dat;
int ret;
HANDLE hFind;
DWORD err;
- hFind = FindFirstStreamW(path_utf16, FindStreamInfoStandard, &dat, 0);
+ if (win32func_FindFirstStreamW == NULL)
+ goto unnamed_only;
+
+ hFind = win32func_FindFirstStreamW(path_utf16, FindStreamInfoStandard, &dat, 0);
if (hFind == INVALID_HANDLE_VALUE) {
err = GetLastError();
+ if (err == ERROR_CALL_NOT_IMPLEMENTED)
+ goto unnamed_only;
+
/* Seems legal for this to return ERROR_HANDLE_EOF on reparse
* points and directories */
if ((inode->i_attributes &
&dat);
if (ret)
goto out_find_close;
- } while (FindNextStreamW(hFind, &dat));
+ } while (win32func_FindNextStreamW(hFind, &dat));
err = GetLastError();
if (err != ERROR_HANDLE_EOF) {
ERROR("Win32 API: Error reading data streams from \"%ls\"", path_utf16);
out_find_close:
FindClose(hFind);
return ret;
+unnamed_only:
+ if (inode->i_attributes &
+ (FILE_ATTRIBUTE_REPARSE_POINT | FILE_ATTRIBUTE_DIRECTORY))
+ {
+ ret = 0;
+ } else {
+ wcscpy(dat.cStreamName, L"::$DATA");
+ dat.StreamSize.QuadPart = file_size;
+ ret = win32_capture_stream(path_utf16,
+ path_utf16_nchars,
+ inode, lookup_table,
+ &dat);
+ }
+ return ret;
}
/* Win32 version of capturing a directory tree */
size_t path_utf16_nchars;
struct sd_set *sd_set;
DWORD err;
+ u64 file_size;
if (exclude_path(root_disk_path, config, true)) {
if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_ROOT) {
goto out_close_handle;
}
+ file_size = ((u64)file_info.nFileSizeHigh << 32) |
+ (u64)file_info.nFileSizeLow;
+
if (inode_is_directory(inode)) {
/* Directory (not a reparse point) --- recurse to children */
ret = win32_capture_streams(path_utf16,
path_utf16_nchars,
inode,
- lookup_table);
+ lookup_table,
+ file_size);
if (ret)
goto out_close_handle;
ret = win32_recurse_directory(root,
ret = win32_capture_streams(path_utf16,
path_utf16_nchars,
inode,
- lookup_table);
+ lookup_table,
+ file_size);
}
out_close_handle:
CloseHandle(hFile);