} else
#endif /* !__WIN32__ */
if (inode->i_attributes & FILE_ATTRIBUTE_DIRECTORY) {
- ret = ctx->ops->create_directory(path, ctx);
+ ret = ctx->ops->create_directory(path, ctx, &inode->extract_cookie);
if (ret) {
ERROR_WITH_ERRNO("Failed to create the directory "
"\"%"TS"\"", path);
}
} else {
- ret = ctx->ops->create_file(path, ctx);
+ ret = ctx->ops->create_file(path, ctx, &inode->extract_cookie);
if (ret) {
ERROR_WITH_ERRNO("Failed to create the file "
"\"%"TS"\"", path);
{
struct wim_inode *inode = dentry->d_inode;
struct wim_lookup_table_entry *lte;
+ file_spec_t file_spec;
int ret;
if (dentry->was_hardlinked)
}
#endif
+ if (ctx->ops->uses_cookies)
+ file_spec.cookie = inode->extract_cookie;
+ else
+ file_spec.path = path;
+
/* Unnamed data stream. */
lte = inode_unnamed_lte_resolved(inode);
if (lte && (!lte_spec || lte == lte_spec)) {
{
if ((inode->i_attributes & FILE_ATTRIBUTE_ENCRYPTED) &&
ctx->supported_features.encrypted_files)
- ret = ctx->ops->extract_encrypted_stream(path, lte, ctx);
+ ret = ctx->ops->extract_encrypted_stream(file_spec, lte, ctx);
else
- ret = ctx->ops->extract_unnamed_stream(path, lte, ctx);
+ ret = ctx->ops->extract_unnamed_stream(file_spec, lte, ctx);
if (ret)
goto error;
update_extract_progress(ctx, lte);
continue;
if (lte_spec)
lte = lte_override;
- ret = ctx->ops->extract_named_stream(path, entry->stream_name,
+ ret = ctx->ops->extract_named_stream(file_spec, entry->stream_name,
entry->stream_name_nbytes / 2,
lte, ctx);
if (ret)
* extraction mode. */
static int
extract_file_attributes(const tchar *path, struct apply_ctx *ctx,
- struct wim_dentry *dentry)
+ struct wim_dentry *dentry, unsigned pass)
{
int ret;
- if (ctx->ops->set_file_attributes) {
- if (dentry == ctx->extract_root && ctx->root_dentry_is_special)
- return 0;
- ret = ctx->ops->set_file_attributes(path,
- dentry->d_inode->i_attributes,
- ctx);
+ if (ctx->ops->set_file_attributes &&
+ !(dentry == ctx->extract_root && ctx->root_dentry_is_special)) {
+ u32 attributes = dentry->d_inode->i_attributes;
+
+ /* Clear unsupported attributes. */
+ attributes &= ctx->supported_attributes_mask;
+
+ if ((attributes & FILE_ATTRIBUTE_DIRECTORY &&
+ !ctx->supported_features.encrypted_directories) ||
+ (!(attributes & FILE_ATTRIBUTE_DIRECTORY) &&
+ !ctx->supported_features.encrypted_files))
+ {
+ attributes &= ~FILE_ATTRIBUTE_ENCRYPTED;
+ }
+
+ if (attributes == 0)
+ attributes = FILE_ATTRIBUTE_NORMAL;
+
+ ret = ctx->ops->set_file_attributes(path, attributes, ctx, pass);
if (ret) {
ERROR_WITH_ERRNO("Failed to set attributes on "
"\"%"TS"\"", path);
struct wim_inode *inode = dentry->d_inode;
if (inode->i_attributes & FILE_ATTRIBUTE_REPARSE_POINT) {
- if (supported_features->reparse_points)
- return true;
- if (supported_features->symlink_reparse_points &&
- inode_is_symlink(inode))
- return true;
- return false;
+ return supported_features->reparse_points ||
+ (inode_is_symlink(inode) &&
+ supported_features->symlink_reparse_points);
+ }
+ if (inode->i_attributes & FILE_ATTRIBUTE_ENCRYPTED) {
+ if (inode->i_attributes & FILE_ATTRIBUTE_DIRECTORY)
+ return supported_features->encrypted_directories != 0;
+ else
+ return supported_features->encrypted_files != 0;
}
return true;
}
get_num_path_components(const tchar *path, tchar path_separator)
{
unsigned num_components = 0;
+#ifdef __WIN32__
+ /* Ignore drive letter. */
+ if (path[0] != L'\0' && path[1] == L':')
+ path += 2;
+#endif
while (*path) {
while (*path == path_separator)
num_target_path_components--;
}
- p_old = oldpath;
+ p_old = oldpath + ctx->ops->path_prefix_nchars;
+#ifdef __WIN32__
+ if (p_old[0] != L'\0' && p_old[1] == ':')
+ p_old += 2;
+#endif
while (*p_old == ctx->ops->path_separator)
p_old++;
while (--num_target_path_components) {
/* Create empty named data streams. */
if (can_extract_named_data_streams(ctx)) {
for (u16 i = 0; i < inode->i_num_ads; i++) {
+ file_spec_t file_spec;
struct wim_ads_entry *entry = &inode->i_ads_entries[i];
if (!ads_entry_is_named_stream(entry))
continue;
if (entry->lte)
continue;
- ret = ctx->ops->extract_named_stream(path,
+ if (ctx->ops->uses_cookies)
+ file_spec.cookie = inode->extract_cookie;
+ else
+ file_spec.path = path;
+ ret = ctx->ops->extract_named_stream(file_spec,
entry->stream_name,
entry->stream_name_nbytes / 2,
entry->lte, ctx);
}
/* Set file attributes (if supported). */
- ret = extract_file_attributes(path, ctx, dentry);
+ ret = extract_file_attributes(path, ctx, dentry, 0);
if (ret)
return ret;
/* Read the header from a stream in a pipable WIM. */
static int
read_pwm_stream_header(WIMStruct *pwm, struct wim_lookup_table_entry *lte,
- int flags)
+ int flags, struct wim_header_disk *hdr_ret)
{
- struct pwm_stream_hdr stream_hdr;
+ union {
+ struct pwm_stream_hdr stream_hdr;
+ struct wim_header_disk pwm_hdr;
+ } buf;
int ret;
- ret = full_read(&pwm->in_fd, &stream_hdr, sizeof(stream_hdr));
+ ret = full_read(&pwm->in_fd, &buf.stream_hdr, sizeof(buf.stream_hdr));
if (ret)
goto read_error;
- if ((flags & PWM_ALLOW_WIM_HDR) && stream_hdr.magic == PWM_MAGIC) {
- u8 buf[WIM_HEADER_DISK_SIZE - sizeof(stream_hdr)];
- ret = full_read(&pwm->in_fd, buf, sizeof(buf));
+ if ((flags & PWM_ALLOW_WIM_HDR) && buf.stream_hdr.magic == PWM_MAGIC) {
+ BUILD_BUG_ON(sizeof(buf.pwm_hdr) < sizeof(buf.stream_hdr));
+ ret = full_read(&pwm->in_fd, &buf.stream_hdr + 1,
+ sizeof(buf.pwm_hdr) - sizeof(buf.stream_hdr));
+
if (ret)
goto read_error;
lte->resource_location = RESOURCE_NONEXISTENT;
+ memcpy(hdr_ret, &buf.pwm_hdr, sizeof(buf.pwm_hdr));
return 0;
}
- if (stream_hdr.magic != PWM_STREAM_MAGIC) {
+ if (buf.stream_hdr.magic != PWM_STREAM_MAGIC) {
ERROR("Data read on pipe is invalid (expected stream header).");
return WIMLIB_ERR_INVALID_PIPABLE_WIM;
}
- lte->resource_entry.original_size = le64_to_cpu(stream_hdr.uncompressed_size);
- copy_hash(lte->hash, stream_hdr.hash);
- lte->resource_entry.flags = le32_to_cpu(stream_hdr.flags);
+ lte->resource_entry.original_size = le64_to_cpu(buf.stream_hdr.uncompressed_size);
+ copy_hash(lte->hash, buf.stream_hdr.hash);
+ lte->resource_entry.flags = le32_to_cpu(buf.stream_hdr.flags);
lte->resource_entry.offset = pwm->in_fd.offset;
lte->resource_location = RESOURCE_IN_WIM;
lte->wim = pwm;
struct wim_lookup_table_entry *found_lte;
struct wim_lookup_table_entry *needed_lte;
struct wim_lookup_table *lookup_table;
+ struct wim_header_disk pwm_hdr;
int ret;
int pwm_flags;
pwm_flags = PWM_ALLOW_WIM_HDR;
if ((ctx->extract_flags & WIMLIB_EXTRACT_FLAG_RESUME))
pwm_flags |= PWM_SILENT_EOF;
+ memcpy(ctx->progress.extract.guid, ctx->wim->hdr.guid, WIM_GID_LEN);
+ ctx->progress.extract.part_number = ctx->wim->hdr.part_number;
+ ctx->progress.extract.total_parts = ctx->wim->hdr.total_parts;
+ if (ctx->progress_func)
+ ctx->progress_func(WIMLIB_PROGRESS_MSG_EXTRACT_SPWM_PART_BEGIN,
+ &ctx->progress);
while (ctx->num_streams_remaining) {
- ret = read_pwm_stream_header(ctx->wim, found_lte, pwm_flags);
+ ret = read_pwm_stream_header(ctx->wim, found_lte, pwm_flags,
+ &pwm_hdr);
if (ret) {
if (ret == WIMLIB_ERR_UNEXPECTED_END_OF_FILE &&
(ctx->extract_flags & WIMLIB_EXTRACT_FLAG_RESUME))
ret = skip_pwm_stream(found_lte);
if (ret)
goto out_free_found_lte;
+ } else {
+ u16 part_number = le16_to_cpu(pwm_hdr.part_number);
+ u16 total_parts = le16_to_cpu(pwm_hdr.total_parts);
+
+ if (part_number != ctx->progress.extract.part_number ||
+ total_parts != ctx->progress.extract.total_parts ||
+ memcmp(pwm_hdr.guid, ctx->progress.extract.guid,
+ WIM_GID_LEN))
+ {
+ ctx->progress.extract.part_number = part_number;
+ ctx->progress.extract.total_parts = total_parts;
+ memcpy(ctx->progress.extract.guid,
+ pwm_hdr.guid, WIM_GID_LEN);
+ if (ctx->progress_func) {
+ ctx->progress_func(
+ WIMLIB_PROGRESS_MSG_EXTRACT_SPWM_PART_BEGIN,
+ &ctx->progress);
+ }
+
+ }
}
}
ret = 0;
if (ret)
return ret;
+ if (ctx->ops->requires_final_set_attributes_pass) {
+ /* Set file attributes (if supported). */
+ ret = extract_file_attributes(path, ctx, dentry, 1);
+ if (ret)
+ return ret;
+ }
+
return extract_timestamps(path, ctx, dentry);
}
features->system_files++;
if (inode->i_attributes & FILE_ATTRIBUTE_COMPRESSED)
features->compressed_files++;
- if (inode->i_attributes & FILE_ATTRIBUTE_ENCRYPTED)
- features->encrypted_files++;
+ if (inode->i_attributes & FILE_ATTRIBUTE_ENCRYPTED) {
+ if (inode->i_attributes & FILE_ATTRIBUTE_DIRECTORY)
+ features->encrypted_directories++;
+ else
+ features->encrypted_files++;
+ }
if (inode->i_attributes & FILE_ATTRIBUTE_NOT_CONTENT_INDEXED)
features->not_context_indexed_files++;
if (inode->i_attributes & FILE_ATTRIBUTE_SPARSE_FILE)
for_dentry_in_tree(root, dentry_clear_inode_visited, NULL);
}
+static u32
+compute_supported_attributes_mask(const struct wim_features *supported_features)
+{
+ u32 mask = ~(u32)0;
+
+ if (!supported_features->archive_files)
+ mask &= ~FILE_ATTRIBUTE_ARCHIVE;
+
+ if (!supported_features->hidden_files)
+ mask &= ~FILE_ATTRIBUTE_HIDDEN;
+
+ if (!supported_features->system_files)
+ mask &= ~FILE_ATTRIBUTE_SYSTEM;
+
+ if (!supported_features->not_context_indexed_files)
+ mask &= ~FILE_ATTRIBUTE_NOT_CONTENT_INDEXED;
+
+ if (!supported_features->compressed_files)
+ mask &= ~FILE_ATTRIBUTE_COMPRESSED;
+
+ if (!supported_features->sparse_files)
+ mask &= ~FILE_ATTRIBUTE_SPARSE_FILE;
+
+ if (!supported_features->reparse_points)
+ mask &= ~FILE_ATTRIBUTE_REPARSE_POINT;
+
+ return mask;
+}
+
static int
do_feature_check(const struct wim_features *required_features,
const struct wim_features *supported_features,
const tchar *wim_source_path)
{
const tchar *loc;
- const tchar *mode = "this extraction mode";
+ const tchar *mode = T("this extraction mode");
if (wim_source_path[0] == '\0')
- loc = "the WIM image";
+ loc = T("the WIM image");
else
loc = wim_source_path;
WARNING(
"%lu files in %"TS" are marked as being encrypted,\n"
" but encryption is not supported in %"TS". These files\n"
-" will be extracted as raw encrypted data instead.",
+" will not be extracted.",
required_features->encrypted_files, loc, mode);
}
+ if (required_features->encrypted_directories &&
+ !supported_features->encrypted_directories)
+ {
+ WARNING(
+ "%lu directories in %"TS" are marked as being encrypted,\n"
+" but encryption is not supported in %"TS".\n"
+" These directories will be extracted as unencrypted.",
+ required_features->encrypted_directories, loc, mode);
+ }
+
if (required_features->not_context_indexed_files &&
!supported_features->not_context_indexed_files)
{
return WIMLIB_ERR_UNSUPPORTED;
}
+ if ((extract_flags & WIMLIB_EXTRACT_FLAG_STRICT_SYMLINKS) &&
+ required_features->symlink_reparse_points &&
+ !(supported_features->symlink_reparse_points ||
+ supported_features->reparse_points))
+ {
+ ERROR("Extracting symbolic links is not supported in %"TS, mode);
+ return WIMLIB_ERR_UNSUPPORTED;
+ }
+
if ((extract_flags & WIMLIB_EXTRACT_FLAG_SYMLINK) &&
!supported_features->symlink_reparse_points)
{
if (ret)
goto out_finish_or_abort_extract;
+ ctx.supported_attributes_mask =
+ compute_supported_attributes_mask(&ctx.supported_features);
+
/* Figure out whether the root dentry is being extracted to the root of
* a volume and therefore needs to be treated "specially", for example
* not being explicitly created and not having attributes set. */
* However, we can get a reasonably accurate estimate by taking
* <TOTALBYTES> from the corresponding <IMAGE> in the WIM XML
* data. This does assume that a full image is being extracted,
- * but currently there is no API for doing otherwise. */
+ * but currently there is no API for doing otherwise. (Also,
+ * subtract <HARDLINKBYTES> from this if hard links are
+ * supported by the extraction mode.) */
ctx.progress.extract.total_bytes =
wim_info_get_image_total_bytes(wim->wim_info,
wim->current_image);
+ if (ctx.supported_features.hard_links) {
+ ctx.progress.extract.total_bytes -=
+ wim_info_get_image_hard_link_bytes(wim->wim_info,
+ wim->current_image);
+ }
}
/* Handle the special case of extracting a file to standard
* WIMs.) */
{
struct wim_lookup_table_entry xml_lte;
- ret = read_pwm_stream_header(pwm, &xml_lte, 0);
+ ret = read_pwm_stream_header(pwm, &xml_lte, 0, NULL);
if (ret)
goto out_wimlib_free;
goto out_wimlib_free;
}
- ret = read_pwm_stream_header(pwm, metadata_lte, 0);
+ ret = read_pwm_stream_header(pwm, metadata_lte, 0, NULL);
imd = pwm->image_metadata[i - 1];
imd->metadata_lte = metadata_lte;
if (ret)
git://wimlib.net / wimlib / blobdiff