+#if defined(__CYGWIN__) || defined(__WIN32__)
+
+static u64 FILETIME_to_u64(const FILETIME *ft)
+{
+ return ((u64)ft->dwHighDateTime << 32) | (u64)ft->dwLowDateTime;
+}
+
+
+static int build_dentry_tree(struct wim_dentry **root_ret,
+ const char *root_disk_path,
+ struct wim_lookup_table *lookup_table,
+ struct wim_security_data *sd,
+ const struct capture_config *config,
+ int add_image_flags,
+ wimlib_progress_func_t progress_func,
+ void *extra_arg);
+
+static int win32_get_short_name(struct wim_dentry *dentry,
+ const wchar_t *path_utf16)
+{
+ WIN32_FIND_DATAW dat;
+ if (FindFirstFileW(path_utf16, &dat) &&
+ dat.cAlternateFileName[0] != L'\0')
+ {
+ size_t short_name_len = wcslen(dat.cAlternateFileName) * 2;
+ size_t n = short_name_len + sizeof(wchar_t);
+ dentry->short_name = MALLOC(n);
+ if (!dentry->short_name)
+ return WIMLIB_ERR_NOMEM;
+ memcpy(dentry->short_name, dat.cAlternateFileName, n);
+ dentry->short_name_len = short_name_len;
+ }
+ return 0;
+}
+
+static int win32_get_security_descriptor(struct wim_dentry *dentry,
+ struct sd_set *sd_set,
+ const wchar_t *path_utf16)
+{
+ SECURITY_INFORMATION requestedInformation;
+ DWORD lenNeeded = 0;
+ BOOL status;
+ DWORD err;
+
+ requestedInformation = DACL_SECURITY_INFORMATION |
+ SACL_SECURITY_INFORMATION |
+ OWNER_SECURITY_INFORMATION |
+ GROUP_SECURITY_INFORMATION;
+ /* Request length of security descriptor */
+ status = GetFileSecurityW(path_utf16, requestedInformation,
+ NULL, 0, &lenNeeded);
+ err = GetLastError();
+ if (!status && err == ERROR_INSUFFICIENT_BUFFER) {
+ DWORD len = lenNeeded;
+ char buf[len];
+ if (GetFileSecurityW(path_utf16, requestedInformation,
+ buf, len, &lenNeeded))
+ {
+ int security_id = sd_set_add_sd(sd_set, buf, len);
+ if (security_id < 0)
+ return WIMLIB_ERR_NOMEM;
+ else {
+ dentry->d_inode->i_security_id = security_id;
+ return 0;
+ }
+ } else {
+ err = GetLastError();
+ }
+ }
+ ERROR("Win32 API: Failed to read security descriptor of \"%ls\"",
+ path_utf16);
+ win32_error(err);
+ return WIMLIB_ERR_READ;
+}
+
+/* Reads the directory entries of directory using a Win32 API and recursively
+ * calls build_dentry_tree() on them. */
+static int win32_recurse_directory(struct wim_dentry *root,
+ const char *root_disk_path,
+ struct wim_lookup_table *lookup_table,
+ struct wim_security_data *sd,
+ const struct capture_config *config,
+ int add_image_flags,
+ wimlib_progress_func_t progress_func,
+ struct sd_set *sd_set,
+ const wchar_t *path_utf16,
+ size_t path_utf16_nchars)
+{
+ WIN32_FIND_DATAW dat;
+ HANDLE hFind;
+ DWORD err;
+ int ret;
+
+ {
+ /* Begin reading the directory by calling FindFirstFileW.
+ * Unlike UNIX opendir(), FindFirstFileW has file globbing built
+ * into it. But this isn't what we actually want, so just add a
+ * dummy glob to get all entries. */
+ wchar_t pattern_buf[path_utf16_nchars + 3];
+ memcpy(pattern_buf, path_utf16,
+ path_utf16_nchars * sizeof(wchar_t));
+ pattern_buf[path_utf16_nchars] = L'/';
+ pattern_buf[path_utf16_nchars + 1] = L'*';
+ pattern_buf[path_utf16_nchars + 2] = L'\0';
+ hFind = FindFirstFileW(pattern_buf, &dat);
+ }
+ if (hFind == INVALID_HANDLE_VALUE) {
+ err = GetLastError();
+ if (err == ERROR_FILE_NOT_FOUND) {
+ return 0;
+ } else {
+ ERROR("Win32 API: Failed to read directory \"%s\"",
+ root_disk_path);
+ win32_error(err);
+ return WIMLIB_ERR_READ;
+ }
+ }
+ ret = 0;
+ do {
+ /* Skip . and .. entries */
+ if (!(dat.cFileName[0] == L'.' &&
+ (dat.cFileName[1] == L'\0' ||
+ (dat.cFileName[1] == L'.' && dat.cFileName[2] == L'\0'))))
+ {
+ struct wim_dentry *child;
+
+ char *utf8_name;
+ size_t utf8_name_nbytes;
+ ret = utf16_to_utf8((const char*)dat.cFileName,
+ wcslen(dat.cFileName) * sizeof(wchar_t),
+ &utf8_name,
+ &utf8_name_nbytes);
+ if (ret)
+ goto out_find_close;
+
+ char name[strlen(root_disk_path) + 1 + utf8_name_nbytes + 1];
+ sprintf(name, "%s/%s", root_disk_path, utf8_name);
+ FREE(utf8_name);
+ ret = build_dentry_tree(&child, name, lookup_table,
+ sd, config, add_image_flags,
+ progress_func, sd_set);
+ if (ret)
+ goto out_find_close;
+ if (child)
+ dentry_add_child(root, child);
+ }
+ } while (FindNextFileW(hFind, &dat));
+ err = GetLastError();
+ if (err != ERROR_NO_MORE_FILES) {
+ ERROR("Win32 API: Failed to read directory \"%s\"", root_disk_path);
+ win32_error(err);
+ if (ret == 0)
+ ret = WIMLIB_ERR_READ;
+ }
+out_find_close:
+ FindClose(hFind);
+ return ret;
+}
+
+/* Load a reparse point into a WIM inode. It is just stored in memory.
+ *
+ * @hFile: Open handle to a reparse point, with permission to read the reparse
+ * data.
+ *
+ * @inode: WIM inode for the reparse point.
+ *
+ * @lookup_table: Stream lookup table for the WIM; an entry will be added to it
+ * for the reparse point unless an entry already exists for
+ * the exact same data stream.
+ *
+ * @path: External path to the parse point (UTF-8). Used for error messages
+ * only.
+ *
+ * Returns 0 on success; nonzero on failure. */
+static int win32_capture_reparse_point(HANDLE hFile,
+ struct wim_inode *inode,
+ struct wim_lookup_table *lookup_table,
+ const char *path)
+{
+ /* "Reparse point data, including the tag and optional GUID,
+ * cannot exceed 16 kilobytes." - MSDN */
+ char reparse_point_buf[16 * 1024];
+ DWORD bytesReturned;
+
+ if (!DeviceIoControl(hFile, FSCTL_GET_REPARSE_POINT,
+ NULL, 0, reparse_point_buf,
+ sizeof(reparse_point_buf), &bytesReturned, NULL))
+ {
+ DWORD err = GetLastError();
+ ERROR("Win32 API: Failed to get reparse data of \"%s\"", path);
+ win32_error(err);
+ return WIMLIB_ERR_READ;
+ }
+ if (bytesReturned < 8) {
+ ERROR("Reparse data on \"%s\" is invalid", path);
+ return WIMLIB_ERR_READ;
+ }
+ inode->i_reparse_tag = *(u32*)reparse_point_buf;
+ return inode_add_ads_with_data(inode, "",
+ (const u8*)reparse_point_buf + 8,
+ bytesReturned - 8, lookup_table);
+}
+
+/* Calculate the SHA1 message digest of a Win32 data stream, which may be either
+ * an unnamed or named data stream.
+ *
+ * @path: Path to the file, with the stream noted at the end for named
+ * streams. UTF-16LE encoding.
+ *
+ * @hash: On success, the SHA1 message digest of the stream is written to
+ * this location.
+ *
+ * Returns 0 on success; nonzero on failure.
+ */
+static int win32_sha1sum(const wchar_t *path, u8 hash[SHA1_HASH_SIZE])
+{
+ HANDLE hFile;
+ SHA_CTX ctx;
+ u8 buf[32768];
+ DWORD bytesRead;
+ int ret;
+
+ hFile = win32_open_file_readonly(path);
+ if (hFile == INVALID_HANDLE_VALUE)
+ return WIMLIB_ERR_OPEN;
+
+ sha1_init(&ctx);
+ for (;;) {
+ if (!ReadFile(hFile, buf, sizeof(buf), &bytesRead, NULL)) {
+ ret = WIMLIB_ERR_READ;
+ goto out_close_handle;
+ }
+ if (bytesRead == 0)
+ break;
+ sha1_update(&ctx, buf, bytesRead);
+ }
+ ret = 0;
+ sha1_final(hash, &ctx);
+out_close_handle:
+ CloseHandle(hFile);
+ return ret;
+}
+
+/* Scans an unnamed or named stream of a Win32 file (not a reparse point
+ * stream); calculates its SHA1 message digest and either creates a `struct
+ * wim_lookup_table_entry' in memory for it, or uses an existing 'struct
+ * wim_lookup_table_entry' for an identical stream.
+ *
+ * @path_utf16: Path to the file (UTF-16LE).
+ *
+ * @path_utf16_nchars: Number of 2-byte characters in @path_utf16.
+ *
+ * @inode: WIM inode to save the stream into.
+ *
+ * @lookup_table: Stream lookup table for the WIM.
+ *
+ * @dat: A `WIN32_FIND_STREAM_DATA' structure that specifies the
+ * stream name.
+ *
+ * Returns 0 on success; nonzero on failure.
+ */
+static int win32_capture_stream(const wchar_t *path_utf16,
+ size_t path_utf16_nchars,
+ struct wim_inode *inode,
+ struct wim_lookup_table *lookup_table,
+ WIN32_FIND_STREAM_DATA *dat)
+{
+ struct wim_ads_entry *ads_entry;
+ u8 hash[SHA1_HASH_SIZE];
+ struct wim_lookup_table_entry *lte;
+ int ret;
+ wchar_t *p, *colon;
+ bool is_named_stream;
+ wchar_t *spath;
+ size_t spath_nchars;
+ DWORD err;
+
+ /* The stream name should be returned as :NAME:TYPE */
+ p = dat->cStreamName;
+ if (*p != L':')
+ goto out_invalid_stream_name;
+ p += 1;
+ colon = wcschr(p, L':');
+ if (colon == NULL)
+ goto out_invalid_stream_name;
+
+ if (wcscmp(colon + 1, L"$DATA")) {
+ /* Not a DATA stream */
+ ret = 0;
+ goto out;
+ }
+
+ is_named_stream = (p != colon);
+ if (is_named_stream) {
+ /* Allocate an ADS entry for the named stream. */
+ char *utf8_stream_name;
+ size_t utf8_stream_name_len;
+ ret = utf16_to_utf8((const char *)p,
+ (colon - p) * sizeof(wchar_t),
+ &utf8_stream_name,
+ &utf8_stream_name_len);
+ if (ret)
+ goto out;
+ ads_entry = inode_add_ads(inode, utf8_stream_name);
+ FREE(utf8_stream_name);
+ if (!ads_entry) {
+ ret = WIMLIB_ERR_NOMEM;
+ goto out;
+ }
+ }
+
+ /* Create a UTF-16 string @spath that gives the filename, then a colon,
+ * then the stream name. Or, if it's an unnamed stream, just the
+ * filename. It is MALLOC()'ed so that it can be saved in the
+ * wim_lookup_table_entry if needed. */
+ *colon = '\0';
+ spath_nchars = path_utf16_nchars;
+ if (is_named_stream)
+ spath_nchars += colon - p + 1;
+
+ spath = MALLOC((spath_nchars + 1) * sizeof(wchar_t));
+ memcpy(spath, path_utf16, path_utf16_nchars * sizeof(wchar_t));
+ if (is_named_stream) {
+ spath[path_utf16_nchars] = L':';
+ memcpy(&spath[path_utf16_nchars + 1], p, (colon - p) * sizeof(wchar_t));
+ }
+ spath[spath_nchars] = L'\0';
+
+ ret = win32_sha1sum(spath, hash);
+ if (ret) {
+ err = GetLastError();
+ ERROR("Win32 API: Failed to read \"%ls\" to calculate SHA1sum",
+ path_utf16);
+ win32_error(err);
+ goto out_free_spath;
+ }
+
+ lte = __lookup_resource(lookup_table, hash);
+ if (lte) {
+ /* Use existing wim_lookup_table_entry that has the same SHA1
+ * message digest */
+ lte->refcnt++;
+ } else {
+ /* Make a new wim_lookup_table_entry */
+ lte = new_lookup_table_entry();
+ if (!lte) {
+ ret = WIMLIB_ERR_NOMEM;
+ goto out_free_spath;
+ }
+ lte->file_on_disk = (char*)spath;
+ spath = NULL;
+ lte->resource_location = RESOURCE_WIN32;
+ lte->resource_entry.original_size = (uint64_t)dat->StreamSize.QuadPart;
+ lte->resource_entry.size = (uint64_t)dat->StreamSize.QuadPart;
+ copy_hash(lte->hash, hash);
+ lookup_table_insert(lookup_table, lte);
+ }
+ if (is_named_stream)
+ ads_entry->lte = lte;
+ else
+ inode->i_lte = lte;
+out_free_spath:
+ FREE(spath);
+out:
+ return ret;
+out_invalid_stream_name:
+ ERROR("Invalid stream name: \"%ls:%ls\"", path_utf16, dat->cStreamName);
+ ret = WIMLIB_ERR_READ;
+ goto out;
+}
+
+/* Scans a Win32 file for unnamed and named data streams (not reparse point
+ * streams).
+ *
+ * @path_utf16: Path to the file (UTF-16LE).
+ *
+ * @path_utf16_nchars: Number of 2-byte characters in @path_utf16.
+ *
+ * @inode: WIM inode to save the stream into.
+ *
+ * @lookup_table: Stream lookup table for the WIM.
+ *
+ * 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)
+{
+ WIN32_FIND_STREAM_DATA dat;
+ int ret;
+ HANDLE hFind;
+ DWORD err;
+
+ hFind = FindFirstStreamW(path_utf16, FindStreamInfoStandard, &dat, 0);
+ if (hFind == INVALID_HANDLE_VALUE) {
+ err = GetLastError();
+
+ /* Seems legal for this to return ERROR_HANDLE_EOF on reparse
+ * points and directories */
+ if ((inode->i_attributes &
+ (FILE_ATTRIBUTE_REPARSE_POINT | FILE_ATTRIBUTE_DIRECTORY))
+ && err == ERROR_HANDLE_EOF)
+ {
+ return 0;
+ } else {
+ ERROR("Win32 API: Failed to look up data streams of \"%ls\"",
+ path_utf16);
+ win32_error(err);
+ return WIMLIB_ERR_READ;
+ }
+ }
+ do {
+ ret = win32_capture_stream(path_utf16,
+ path_utf16_nchars,
+ inode, lookup_table,
+ &dat);
+ if (ret)
+ goto out_find_close;
+ } while (FindNextStreamW(hFind, &dat));
+ err = GetLastError();
+ if (err != ERROR_HANDLE_EOF) {
+ ERROR("Win32 API: Error reading data streams from \"%ls\"", path_utf16);
+ win32_error(err);
+ ret = WIMLIB_ERR_READ;
+ }
+out_find_close:
+ FindClose(hFind);
+ return ret;
+}
+
+#endif