#include "wimlib/paths.h"
#include "wimlib/reparse.h"
-#ifdef WITH_NTDLL
-# include <winternl.h>
-# include <ntstatus.h>
-
-NTSTATUS WINAPI
-NtQuerySecurityObject(HANDLE handle,
- SECURITY_INFORMATION SecurityInformation,
- PSECURITY_DESCRIPTOR SecurityDescriptor,
- ULONG Length,
- PULONG LengthNeeded);
-NTSTATUS WINAPI
-NtQueryDirectoryFile(HANDLE FileHandle,
- HANDLE Event,
- PIO_APC_ROUTINE ApcRoutine,
- PVOID ApcContext,
- PIO_STATUS_BLOCK IoStatusBlock,
- PVOID FileInformation,
- ULONG Length,
- FILE_INFORMATION_CLASS FileInformationClass,
- BOOLEAN ReturnSingleEntry,
- PUNICODE_STRING FileName,
- BOOLEAN RestartScan);
-#endif
-
#define MAX_GET_SD_ACCESS_DENIED_WARNINGS 1
#define MAX_GET_SACL_PRIV_NOTHELD_WARNINGS 1
#define MAX_CAPTURE_LONG_PATH_WARNINGS 5
read_win32_file_prefix(const struct wim_lookup_table_entry *lte,
u64 size,
consume_data_callback_t cb,
- void *ctx_or_buf,
- int _ignored_flags)
+ void *cb_ctx)
{
int ret = 0;
- void *out_buf;
u64 bytes_remaining;
+ u8 buf[BUFFER_SIZE];
HANDLE hFile = win32_open_existing_file(lte->file_on_disk,
FILE_READ_DATA);
return WIMLIB_ERR_OPEN;
}
- if (cb)
- out_buf = alloca(WIM_CHUNK_SIZE);
- else
- out_buf = ctx_or_buf;
-
bytes_remaining = size;
while (bytes_remaining) {
DWORD bytesToRead, bytesRead;
- bytesToRead = min(WIM_CHUNK_SIZE, bytes_remaining);
- if (!ReadFile(hFile, out_buf, bytesToRead, &bytesRead, NULL) ||
+ bytesToRead = min(sizeof(buf), bytes_remaining);
+ if (!ReadFile(hFile, buf, bytesToRead, &bytesRead, NULL) ||
bytesRead != bytesToRead)
{
set_errno_from_GetLastError();
break;
}
bytes_remaining -= bytesRead;
- if (cb) {
- ret = (*cb)(out_buf, bytesRead, ctx_or_buf);
- if (ret)
- break;
- } else {
- out_buf += bytesRead;
- }
+ ret = (*cb)(buf, bytesRead, cb_ctx);
+ if (ret)
+ break;
}
+out_close_handle:
CloseHandle(hFile);
return ret;
}
struct win32_encrypted_read_ctx {
consume_data_callback_t read_prefix_cb;
- void *read_prefix_ctx_or_buf;
+ void *read_prefix_ctx;
int wimlib_err_code;
- void *buf;
- size_t buf_filled;
u64 bytes_remaining;
};
static DWORD WINAPI
-win32_encrypted_export_cb(unsigned char *_data, void *_ctx, unsigned long len)
+win32_encrypted_export_cb(unsigned char *data, void *_ctx, unsigned long len)
{
- const void *data = _data;
struct win32_encrypted_read_ctx *ctx = _ctx;
int ret;
+ size_t bytes_to_consume = min(len, ctx->bytes_remaining);
- DEBUG("len = %lu", len);
- if (ctx->read_prefix_cb) {
- /* The length of the buffer passed to the ReadEncryptedFileRaw()
- * export callback is undocumented, so we assume it may be of
- * arbitrary size. */
- size_t bytes_to_buffer = min(ctx->bytes_remaining - ctx->buf_filled,
- len);
- while (bytes_to_buffer) {
- size_t bytes_to_copy_to_buf =
- min(bytes_to_buffer, WIM_CHUNK_SIZE - ctx->buf_filled);
-
- memcpy(ctx->buf + ctx->buf_filled, data,
- bytes_to_copy_to_buf);
- ctx->buf_filled += bytes_to_copy_to_buf;
- data += bytes_to_copy_to_buf;
- bytes_to_buffer -= bytes_to_copy_to_buf;
-
- if (ctx->buf_filled == WIM_CHUNK_SIZE ||
- ctx->buf_filled == ctx->bytes_remaining)
- {
- ret = (*ctx->read_prefix_cb)(ctx->buf,
- ctx->buf_filled,
- ctx->read_prefix_ctx_or_buf);
- if (ret) {
- ctx->wimlib_err_code = ret;
- /* Shouldn't matter what error code is returned
- * here, as long as it isn't ERROR_SUCCESS. */
- return ERROR_READ_FAULT;
- }
- ctx->bytes_remaining -= ctx->buf_filled;
- ctx->buf_filled = 0;
- }
- }
- } else {
- size_t len_to_copy = min(len, ctx->bytes_remaining);
- ctx->read_prefix_ctx_or_buf = mempcpy(ctx->read_prefix_ctx_or_buf,
- data,
- len_to_copy);
- ctx->bytes_remaining -= len_to_copy;
+ if (bytes_to_consume == 0)
+ return ERROR_SUCCESS;
+
+ ret = (*ctx->read_prefix_cb)(data, bytes_to_consume, ctx->read_prefix_ctx);
+ if (ret) {
+ ctx->wimlib_err_code = ret;
+ /* Shouldn't matter what error code is returned here, as long as
+ * it isn't ERROR_SUCCESS. */
+ return ERROR_READ_FAULT;
}
+ ctx->bytes_remaining -= bytes_to_consume;
return ERROR_SUCCESS;
}
read_win32_encrypted_file_prefix(const struct wim_lookup_table_entry *lte,
u64 size,
consume_data_callback_t cb,
- void *ctx_or_buf,
- int _ignored_flags)
+ void *cb_ctx)
{
struct win32_encrypted_read_ctx export_ctx;
DWORD err;
size, lte->file_on_disk);
export_ctx.read_prefix_cb = cb;
- export_ctx.read_prefix_ctx_or_buf = ctx_or_buf;
+ export_ctx.read_prefix_ctx = cb_ctx;
export_ctx.wimlib_err_code = 0;
- if (cb) {
- export_ctx.buf = MALLOC(WIM_CHUNK_SIZE);
- if (!export_ctx.buf)
- return WIMLIB_ERR_NOMEM;
- } else {
- export_ctx.buf = NULL;
- }
- export_ctx.buf_filled = 0;
export_ctx.bytes_remaining = size;
err = OpenEncryptedFileRaw(lte->file_on_disk, 0, &file_ctx);
set_errno_from_win32_error(err);
ERROR_WITH_ERRNO("Failed to open encrypted file \"%ls\" "
"for raw read", lte->file_on_disk);
- ret = WIMLIB_ERR_OPEN;
- goto out_free_buf;
+ return WIMLIB_ERR_OPEN;
}
err = ReadEncryptedFileRaw(win32_encrypted_export_cb,
&export_ctx, file_ctx);
ret = 0;
}
CloseEncryptedFileRaw(file_ctx);
-out_free_buf:
- FREE(export_ctx.buf);
return ret;
}
* call ourselves, and it saves a dumb call to FindFirstFile() which of
* course has to create its own handle. */
#ifdef WITH_NTDLL
- NTSTATUS status;
- IO_STATUS_BLOCK io_status;
- u8 buf[128] _aligned_attribute(8);
- const FILE_NAME_INFORMATION *info;
-
- status = NtQueryInformationFile(hFile, &io_status, buf, sizeof(buf),
- FileAlternateNameInformation);
- info = (const FILE_NAME_INFORMATION*)buf;
- if (status == STATUS_SUCCESS && info->FileNameLength != 0) {
- dentry->short_name = MALLOC(info->FileNameLength + 2);
- if (!dentry->short_name)
- return WIMLIB_ERR_NOMEM;
- memcpy(dentry->short_name, info->FileName,
- info->FileNameLength);
- dentry->short_name[info->FileNameLength / 2] = L'\0';
- dentry->short_name_nbytes = info->FileNameLength;
+ if (func_NtQueryInformationFile) {
+ NTSTATUS status;
+ IO_STATUS_BLOCK io_status;
+ u8 buf[128] _aligned_attribute(8);
+ const FILE_NAME_INFORMATION *info;
+
+ status = (*func_NtQueryInformationFile)(hFile, &io_status, buf, sizeof(buf),
+ FileAlternateNameInformation);
+ info = (const FILE_NAME_INFORMATION*)buf;
+ if (status == STATUS_SUCCESS && info->FileNameLength != 0) {
+ dentry->short_name = MALLOC(info->FileNameLength + 2);
+ if (!dentry->short_name)
+ return WIMLIB_ERR_NOMEM;
+ memcpy(dentry->short_name, info->FileName,
+ info->FileNameLength);
+ dentry->short_name[info->FileNameLength / 2] = L'\0';
+ dentry->short_name_nbytes = info->FileNameLength;
+ }
+ return 0;
}
- return 0;
-#else
+#endif
+
WIN32_FIND_DATAW dat;
HANDLE hFind;
int ret = 0;
FindClose(hFind);
}
return ret;
-#endif
}
/*
DWORD bufsize, DWORD *lengthNeeded)
{
#ifdef WITH_NTDLL
- NTSTATUS status;
-
- status = NtQuerySecurityObject(hFile, requestedInformation, buf,
- bufsize, lengthNeeded);
- /* Since it queries an already-open handle, NtQuerySecurityObject()
- * apparently returns STATUS_ACCESS_DENIED rather than
- * STATUS_PRIVILEGE_NOT_HELD. */
- if (status == STATUS_ACCESS_DENIED)
- return ERROR_PRIVILEGE_NOT_HELD;
- else
- return RtlNtStatusToDosError(status);
-#else
+ if (func_NtQuerySecurityObject) {
+ NTSTATUS status;
+
+ status = (*func_NtQuerySecurityObject)(hFile,
+ requestedInformation, buf,
+ bufsize, lengthNeeded);
+ /* Since it queries an already-open handle, NtQuerySecurityObject()
+ * apparently returns STATUS_ACCESS_DENIED rather than
+ * STATUS_PRIVILEGE_NOT_HELD. */
+ if (status == STATUS_ACCESS_DENIED)
+ return ERROR_PRIVILEGE_NOT_HELD;
+ else
+ return (*func_RtlNtStatusToDosError)(status);
+ }
+#endif
if (GetFileSecurity(path, requestedInformation, buf,
bufsize, lengthNeeded))
return ERROR_SUCCESS;
else
return GetLastError();
-#endif
}
static int
default:
fail:
set_errno_from_win32_error(err);
- ERROR("Failed to read security descriptor of \"%ls\"", path);
+ ERROR_WITH_ERRNO("Failed to read security descriptor of \"%ls\"", path);
ret = WIMLIB_ERR_READ;
goto out_free_buf;
}
* 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)
+ goto use_FindFirstFile;
+
NTSTATUS status;
IO_STATUS_BLOCK io_status;
const size_t bufsize = 8192;
if (!buf)
return WIMLIB_ERR_NOMEM;
for (;;) {
- status = NtQueryDirectoryFile(hDir, NULL, NULL, NULL,
- &io_status, buf, bufsize,
- FileNamesInformation,
- FALSE, NULL, restartScan);
+ 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 "
out_free_buf:
FREE(buf);
return ret;
-#else
+#endif
+
+use_FindFirstFile:
+ ;
WIN32_FIND_DATAW dat;
HANDLE hFind;
DWORD err;
out_find_close:
FindClose(hFind);
return ret;
-#endif
}
/* Reparse point fixup status code */
static int
win32_capture_try_rpfix(u8 *rpbuf, u16 *rpbuflen_p,
u64 capture_root_ino, u64 capture_root_dev,
- const wchar_t *path)
+ const wchar_t *path, struct add_image_params *params)
{
struct reparse_data rpdata;
int ret;
ret = -ret;
} else {
if (rp_status == RP_EXCLUDED) {
+ /* Ignoring absolute symbolic link or junction point
+ * that points out of the tree to be captured. */
size_t print_name_nchars = rpdata.print_name_nbytes / 2;
wchar_t print_name0[print_name_nchars + 1];
print_name0[print_name_nchars] = L'\0';
wmemcpy(print_name0, rpdata.print_name, print_name_nchars);
- WARNING("Ignoring %ls pointing out of capture directory:\n"
- " \"%ls\" -> \"%ls\"\n"
- " (Use --norpfix to capture all symbolic links "
- "and junction points as-is)",
- (rpdata.rptag == WIM_IO_REPARSE_TAG_SYMLINK) ?
- L"absolute symbolic link" : L"junction point",
- path, print_name0);
+
+ params->progress.scan.cur_path = path;
+ params->progress.scan.symlink_target = print_name0;
+ do_capture_progress(params,
+ WIMLIB_SCAN_DENTRY_EXCLUDED_SYMLINK,
+ NULL);
}
ret = rp_status;
}
&rpbuflen,
params->capture_root_ino,
params->capture_root_dev,
- path);
+ path,
+ params);
} else {
ret = RP_NOT_FIXED;
}
ret = win32_get_encrypted_file_size(path, &encrypted_size);
if (ret)
goto out_free_spath;
- lte->resource_entry.original_size = encrypted_size;
+ lte->size = encrypted_size;
} else {
lte->resource_location = RESOURCE_IN_FILE_ON_DISK;
- lte->resource_entry.original_size = (u64)dat->StreamSize.QuadPart;
+ lte->size = (u64)dat->StreamSize.QuadPart;
}
u32 stream_id;
IO_STATUS_BLOCK io_status;
NTSTATUS status;
const FILE_STREAM_INFORMATION *info;
-#else
+#endif
HANDLE hFind;
DWORD err;
-#endif
DEBUG("Capturing streams from \"%ls\"", path);
if (!(vol_flags & FILE_NAMED_STREAMS))
goto unnamed_only;
-#ifndef WITH_NTDLL
- if (win32func_FindFirstStreamW == NULL)
- goto unnamed_only;
-#endif
#ifdef WITH_NTDLL
+ if (!func_NtQueryInformationFile)
+ goto use_FindFirstStream;
+
buf = _buf;
bufsize = sizeof(_buf);
/* Get a buffer containing the stream information. */
for (;;) {
- status = NtQueryInformationFile(*hFile_p, &io_status, buf, bufsize,
- FileStreamInformation);
+ status = (*func_NtQueryInformationFile)(*hFile_p, &io_status,
+ buf, bufsize,
+ FileStreamInformation);
if (status == STATUS_SUCCESS) {
break;
} else if (status == STATUS_BUFFER_OVERFLOW) {
goto out_free_buf;
}
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);
if (buf != _buf)
FREE(buf);
return ret;
+#endif /* WITH_NTDLL */
-#else /* 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
out_find_close:
FindClose(hFind);
return ret;
-#endif /* !WITH_NTDLL */
unnamed_only:
/* FindFirstStream() API is not available, or the volume does not
* support named streams. Only capture the unnamed data stream. */
DEBUG("Only capturing unnamed data stream");
- if (!(inode->i_attributes & (FILE_ATTRIBUTE_DIRECTORY |
- FILE_ATTRIBUTE_REPARSE_POINT)))
- {
- wcscpy(dat.cStreamName, L"::$DATA");
- dat.StreamSize.QuadPart = file_size;
- ret = win32_capture_stream(path,
- path_num_chars,
- inode, lookup_table,
- &dat);
- if (ret)
- return ret;
- }
- return ret;
+ if (inode->i_attributes & (FILE_ATTRIBUTE_DIRECTORY |
+ FILE_ATTRIBUTE_REPARSE_POINT))
+ return 0;
+
+ wcscpy(dat.cStreamName, L"::$DATA");
+ dat.StreamSize.QuadPart = file_size;
+ return win32_capture_stream(path, path_num_chars,
+ inode, lookup_table, &dat);
}
static int
unsigned vol_flags)
{
struct wim_dentry *root = NULL;
- struct wim_inode *inode;
+ struct wim_inode *inode = NULL;
DWORD err;
u64 file_size;
int ret;
u8 *rpbuf;
u16 rpbuflen;
u16 not_rpfixed;
- HANDLE hFile;
+ HANDLE hFile = INVALID_HANDLE_VALUE;
DWORD desiredAccess;
- params->progress.scan.cur_path = path;
if (exclude_path(path, path_num_chars, params->config, true)) {
if (params->add_flags & WIMLIB_ADD_FLAG_ROOT) {
ret = WIMLIB_ERR_INVALID_CAPTURE_CONFIG;
goto out;
}
- do_capture_progress(params, WIMLIB_SCAN_DENTRY_EXCLUDED);
ret = 0;
- goto out;
+ goto out_progress;
}
#if 0
}
#endif
- do_capture_progress(params, WIMLIB_SCAN_DENTRY_OK);
-
desiredAccess = FILE_READ_DATA | FILE_READ_ATTRIBUTES |
READ_CONTROL | ACCESS_SYSTEM_SECURITY;
again:
ERROR_WITH_ERRNO("Failed to get file information for \"%ls\"",
path);
ret = WIMLIB_ERR_STAT;
- goto out_close_handle;
+ goto out;
}
if (file_info.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) {
if (ret < 0) {
/* WIMLIB_ERR_* (inverted) */
ret = -ret;
- goto out_close_handle;
+ goto out;
} else if (ret & RP_FIXED) {
not_rpfixed = 0;
} else if (ret == RP_EXCLUDED) {
ret = 0;
- goto out_close_handle;
+ goto out;
} else {
not_rpfixed = 1;
}
(file_info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)),
&root);
if (ret)
- goto out_close_handle;
+ goto out;
ret = win32_get_short_name(hFile, path, root);
if (ret)
- goto out_close_handle;
+ goto out;
inode = root->d_inode;
- if (inode->i_nlink > 1) /* Shared inode; nothing more to do */
- goto out_close_handle;
+ if (inode->i_nlink > 1) {
+ /* Shared inode; nothing more to do */
+ goto out_progress;
+ }
inode->i_attributes = file_info.dwFileAttributes;
inode->i_creation_time = FILETIME_to_u64(&file_info.ftCreationTime);
¶ms->sd_set, state,
params->add_flags);
if (ret)
- goto out_close_handle;
+ goto out;
}
file_size = ((u64)file_info.nFileSizeHigh << 32) |
file_size,
vol_flags);
if (ret)
- goto out_close_handle;
+ goto out;
if (inode->i_attributes & FILE_ATTRIBUTE_REPARSE_POINT) {
/* Reparse point: set the reparse data (which we read already)
ERROR_WITH_ERRNO("Failed to reopen \"%ls\"",
path);
ret = WIMLIB_ERR_OPEN;
- goto out_close_handle;
+ goto out;
}
}
ret = win32_recurse_directory(hFile,
state,
vol_flags);
}
-out_close_handle:
- CloseHandle(hFile);
+ if (ret)
+ goto out;
+
+ path[path_num_chars] = '\0';
+out_progress:
+ params->progress.scan.cur_path = path;
+ if (root == NULL)
+ do_capture_progress(params, WIMLIB_SCAN_DENTRY_EXCLUDED, NULL);
+ else
+ do_capture_progress(params, WIMLIB_SCAN_DENTRY_OK, inode);
out:
+ if (hFile != INVALID_HANDLE_VALUE)
+ CloseHandle(hFile);
if (ret == 0)
*root_ret = root;
else
struct win32_capture_state state;
unsigned vol_flags;
DWORD dret;
- bool need_prefix_free = false;
-#ifndef WITH_NTDLL
- if (!win32func_FindFirstStreamW) {
+ if (!win32func_FindFirstStreamW
+#ifdef WITH_NTDLL
+ && !func_NtQueryInformationFile
+#endif
+ )
+ {
WARNING("Running on Windows XP or earlier; "
"alternate data streams will not be captured.");
}
-#endif
path_nchars = wcslen(root_disk_path);
if (path_nchars > WINDOWS_NT_MAX_PATH)
/* WARNING: There is no check for overflow later when this buffer is
* being used! But it's as long as the maximum path length understood
* by Windows NT (which is NOT the same as MAX_PATH). */
- path = MALLOC(WINDOWS_NT_MAX_PATH * sizeof(wchar_t));
- if (!path)
+ path = MALLOC((WINDOWS_NT_MAX_PATH + 1) * sizeof(wchar_t));
+ if (path == NULL)
return WIMLIB_ERR_NOMEM;
/* Work around defective behavior in Windows where paths longer than 260
* turned into absolute paths and prefixed with "\\?\". */
if (wcsncmp(root_disk_path, L"\\\\?\\", 4)) {
- dret = GetFullPathName(root_disk_path, WINDOWS_NT_MAX_PATH - 4,
+ dret = GetFullPathName(root_disk_path, WINDOWS_NT_MAX_PATH - 3,
&path[4], NULL);
- if (dret == 0 || dret >= WINDOWS_NT_MAX_PATH - 4) {
+ if (dret == 0 || dret >= WINDOWS_NT_MAX_PATH - 3) {
WARNING("Can't get full path name for \"%ls\"", root_disk_path);
wmemcpy(path, root_disk_path, path_nchars + 1);
} else {
wmemcpy(path, L"\\\\?\\", 4);
path_nchars = 4 + dret;
- /* Update pattern prefix */
- if (params->config != NULL)
- {
- params->config->_prefix = TSTRDUP(path);
- params->config->_prefix_num_tchars = path_nchars;
- if (params->config->_prefix == NULL)
- {
- ret = WIMLIB_ERR_NOMEM;
- goto out_free_path;
- }
- need_prefix_free = true;
- }
}
} else {
wmemcpy(path, root_disk_path, path_nchars + 1);
}
+ /* Strip trailing slashes. */
+ while (path_nchars >= 2 &&
+ is_any_path_separator(path[path_nchars - 1]) &&
+ path[path_nchars - 2] != L':')
+ {
+ path[--path_nchars] = L'\0';
+ }
+
+ /* Update pattern prefix. */
+ if (params->config != NULL)
+ {
+ params->config->_prefix = TSTRDUP(path);
+ params->config->_prefix_num_tchars = path_nchars;
+ if (params->config->_prefix == NULL)
+ {
+ ret = WIMLIB_ERR_NOMEM;
+ goto out_free_path;
+ }
+ }
+
memset(&state, 0, sizeof(state));
ret = win32_build_dentry_tree_recursive(root_ret, path,
path_nchars, params,
&state, vol_flags);
- if (need_prefix_free)
+ if (params->config != NULL)
FREE(params->config->_prefix);
out_free_path:
FREE(path);
git://wimlib.net / wimlib / blobdiff