X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fwin32_capture.c;h=c7d2b20c637e2be12ac78672a67d733857eb5d4c;hb=d265332581905dd769d5fcc93d18f753a6af9b1e;hp=33fe3a442d9e42d514f94de0cec5238302d02bfb;hpb=8f4072dae03c4999cad2683c86d78d274964ff9c;p=wimlib diff --git a/src/win32_capture.c b/src/win32_capture.c index 33fe3a44..c7d2b20c 100644 --- a/src/win32_capture.c +++ b/src/win32_capture.c @@ -447,78 +447,87 @@ win32_recurse_directory(HANDLE hDir, * which we opened with FILE_FLAG_BACKUP_SEMANTICS (probably not the * case for the FindFirstFile() API; it's not documented). */ #ifdef WITH_NTDLL - if (func_NtQueryDirectoryFile) { - NTSTATUS status; - IO_STATUS_BLOCK io_status; - const size_t bufsize = 8192; - u8 *buf; - BOOL restartScan = TRUE; - const FILE_NAMES_INFORMATION *info; + if (!func_NtQueryDirectoryFile) + goto use_FindFirstFile; - buf = MALLOC(bufsize); - if (!buf) - return WIMLIB_ERR_NOMEM; - for (;;) { - status = (*func_NtQueryDirectoryFile)(hDir, NULL, NULL, NULL, - &io_status, buf, bufsize, - FileNamesInformation, - FALSE, NULL, restartScan); - restartScan = FALSE; - if (status != STATUS_SUCCESS) { - if (status == STATUS_NO_MORE_FILES || - status == STATUS_NO_MORE_ENTRIES || - status == STATUS_NO_MORE_MATCHES) { - ret = 0; - } else { - set_errno_from_nt_status(status); - ERROR_WITH_ERRNO("Failed to read directory " - "\"%ls\"", dir_path); - ret = WIMLIB_ERR_READ; - } - goto out_free_buf; + NTSTATUS status; + IO_STATUS_BLOCK io_status; + const size_t bufsize = 8192; + u8 *buf; + BOOL restartScan = TRUE; + const FILE_NAMES_INFORMATION *info; + + buf = MALLOC(bufsize); + if (!buf) + return WIMLIB_ERR_NOMEM; + for (;;) { + status = (*func_NtQueryDirectoryFile)(hDir, NULL, NULL, NULL, + &io_status, buf, bufsize, + FileNamesInformation, + FALSE, NULL, restartScan); + restartScan = FALSE; + if (status != STATUS_SUCCESS) { + if (status == STATUS_NO_MORE_FILES || + status == STATUS_NO_MORE_ENTRIES || + status == STATUS_NO_MORE_MATCHES) { + ret = 0; + } else if (status == STATUS_NOT_IMPLEMENTED || + status == STATUS_NOT_SUPPORTED || + status == STATUS_INVALID_INFO_CLASS) { + FREE(buf); + goto use_FindFirstFile; + } else { + set_errno_from_nt_status(status); + ERROR_WITH_ERRNO("Failed to read directory " + "\"%ls\"", dir_path); + ret = WIMLIB_ERR_READ; } - wimlib_assert(io_status.Information != 0); - info = (const FILE_NAMES_INFORMATION*)buf; - for (;;) { - if (!(info->FileNameLength == 2 && info->FileName[0] == L'.') && - !(info->FileNameLength == 4 && info->FileName[0] == L'.' && - info->FileName[1] == L'.')) - { - wchar_t *p; - struct wim_dentry *child; - - p = dir_path + dir_path_num_chars; - *p++ = L'\\'; - p = wmempcpy(p, info->FileName, - info->FileNameLength / 2); - *p = '\0'; - - ret = win32_build_dentry_tree_recursive( - &child, - dir_path, - p - dir_path, - params, - state, - vol_flags); - - dir_path[dir_path_num_chars] = L'\0'; - - if (ret) - goto out_free_buf; - if (child) - dentry_add_child(root, child); - } - if (info->NextEntryOffset == 0) - break; - info = (const FILE_NAMES_INFORMATION*) - ((const u8*)info + info->NextEntryOffset); + goto out_free_buf; + } + wimlib_assert(io_status.Information != 0); + info = (const FILE_NAMES_INFORMATION*)buf; + for (;;) { + if (!(info->FileNameLength == 2 && info->FileName[0] == L'.') && + !(info->FileNameLength == 4 && info->FileName[0] == L'.' && + info->FileName[1] == L'.')) + { + wchar_t *p; + struct wim_dentry *child; + + p = dir_path + dir_path_num_chars; + *p++ = L'\\'; + p = wmempcpy(p, info->FileName, + info->FileNameLength / 2); + *p = '\0'; + + ret = win32_build_dentry_tree_recursive( + &child, + dir_path, + p - dir_path, + params, + state, + vol_flags); + + dir_path[dir_path_num_chars] = L'\0'; + + if (ret) + goto out_free_buf; + if (child) + dentry_add_child(root, child); } + if (info->NextEntryOffset == 0) + break; + info = (const FILE_NAMES_INFORMATION*) + ((const u8*)info + info->NextEntryOffset); } - out_free_buf: - FREE(buf); - return ret; } +out_free_buf: + FREE(buf); + return ret; #endif + +use_FindFirstFile: + ; WIN32_FIND_DATAW dat; HANDLE hFind; DWORD err; @@ -1010,90 +1019,99 @@ win32_capture_streams(HANDLE *hFile_p, goto unnamed_only; #ifdef WITH_NTDLL - if (func_NtQueryInformationFile) { - buf = _buf; - bufsize = sizeof(_buf); + if (!func_NtQueryInformationFile) + goto use_FindFirstStream; - /* Get a buffer containing the stream information. */ - for (;;) { - status = (*func_NtQueryInformationFile)(*hFile_p, &io_status, - buf, bufsize, - FileStreamInformation); - if (status == STATUS_SUCCESS) { - break; - } else if (status == STATUS_BUFFER_OVERFLOW) { - u8 *newbuf; + buf = _buf; + bufsize = sizeof(_buf); - bufsize *= 2; - if (buf == _buf) - newbuf = MALLOC(bufsize); - else - newbuf = REALLOC(buf, bufsize); + /* Get a buffer containing the stream information. */ + for (;;) { + status = (*func_NtQueryInformationFile)(*hFile_p, &io_status, + buf, bufsize, + FileStreamInformation); + if (status == STATUS_SUCCESS) { + break; + } else if (status == STATUS_BUFFER_OVERFLOW) { + u8 *newbuf; - if (!newbuf) { - ret = WIMLIB_ERR_NOMEM; - goto out_free_buf; - } - buf = newbuf; - } else { - set_errno_from_nt_status(status); - ERROR_WITH_ERRNO("Failed to read streams of %ls", path); - ret = WIMLIB_ERR_READ; + bufsize *= 2; + if (buf == _buf) + newbuf = MALLOC(bufsize); + else + newbuf = REALLOC(buf, bufsize); + + if (!newbuf) { + ret = WIMLIB_ERR_NOMEM; goto out_free_buf; } - } - - if (io_status.Information == 0) { - /* No stream information. */ - ret = 0; + buf = newbuf; + } else if (status == STATUS_NOT_IMPLEMENTED || + status == STATUS_NOT_SUPPORTED || + status == STATUS_INVALID_INFO_CLASS) { + goto use_FindFirstStream; + } else { + set_errno_from_nt_status(status); + ERROR_WITH_ERRNO("Failed to read streams of %ls", path); + ret = WIMLIB_ERR_READ; goto out_free_buf; } + } - if (inode->i_attributes & FILE_ATTRIBUTE_ENCRYPTED) { - /* OpenEncryptedFileRaw() seems to fail with - * ERROR_SHARING_VIOLATION if there are any handles opened to - * the file. */ - CloseHandle(*hFile_p); - *hFile_p = INVALID_HANDLE_VALUE; - } + if (io_status.Information == 0) { + /* No stream information. */ + ret = 0; + goto out_free_buf; + } - /* Parse one or more stream information structures. */ - info = (const FILE_STREAM_INFORMATION*)buf; - for (;;) { - if (info->StreamNameLength <= sizeof(dat.cStreamName) - 2) { - dat.StreamSize = info->StreamSize; - memcpy(dat.cStreamName, info->StreamName, info->StreamNameLength); - dat.cStreamName[info->StreamNameLength / 2] = L'\0'; - - /* Capture the stream. */ - ret = win32_capture_stream(path, path_num_chars, inode, - lookup_table, &dat); - if (ret) - goto out_free_buf; - } - if (info->NextEntryOffset == 0) { - /* No more stream information. */ - ret = 0; - break; - } - /* Advance to next stream information. */ - info = (const FILE_STREAM_INFORMATION*) - ((const u8*)info + info->NextEntryOffset); + if (inode->i_attributes & FILE_ATTRIBUTE_ENCRYPTED) { + /* OpenEncryptedFileRaw() seems to fail with + * ERROR_SHARING_VIOLATION if there are any handles opened to + * the file. */ + CloseHandle(*hFile_p); + *hFile_p = INVALID_HANDLE_VALUE; + } + + /* Parse one or more stream information structures. */ + info = (const FILE_STREAM_INFORMATION*)buf; + for (;;) { + if (info->StreamNameLength <= sizeof(dat.cStreamName) - 2) { + dat.StreamSize = info->StreamSize; + memcpy(dat.cStreamName, info->StreamName, info->StreamNameLength); + dat.cStreamName[info->StreamNameLength / 2] = L'\0'; + + /* Capture the stream. */ + ret = win32_capture_stream(path, path_num_chars, inode, + lookup_table, &dat); + if (ret) + goto out_free_buf; } - out_free_buf: - /* Free buffer if allocated on heap. */ - if (buf != _buf) - FREE(buf); - return ret; + if (info->NextEntryOffset == 0) { + /* No more stream information. */ + ret = 0; + break; + } + /* Advance to next stream information. */ + info = (const FILE_STREAM_INFORMATION*) + ((const u8*)info + info->NextEntryOffset); } +out_free_buf: + /* Free buffer if allocated on heap. */ + if (buf != _buf) + FREE(buf); + return ret; #endif /* WITH_NTDLL */ +use_FindFirstStream: if (win32func_FindFirstStreamW == NULL) goto unnamed_only; hFind = win32func_FindFirstStreamW(path, FindStreamInfoStandard, &dat, 0); if (hFind == INVALID_HANDLE_VALUE) { err = GetLastError(); - if (err == ERROR_CALL_NOT_IMPLEMENTED) + if (err == ERROR_CALL_NOT_IMPLEMENTED || + err == ERROR_NOT_SUPPORTED || + err == ERROR_INVALID_FUNCTION || + err == ERROR_INVALID_PARAMETER) goto unnamed_only; /* Seems legal for this to return ERROR_HANDLE_EOF on reparse