desc_size = sd->sizes[inode->i_security_id];
ret = ctx->ops->set_security_descriptor(path, desc,
- desc_size, ctx,
- !!(ctx->extract_flags &
- WIMLIB_EXTRACT_FLAG_STRICT_ACLS));
+ desc_size, ctx);
if (ret) {
if (ctx->extract_flags & WIMLIB_EXTRACT_FLAG_STRICT_ACLS) {
ERROR_WITH_ERRNO("Failed to set security "
{
struct apply_ctx *ctx = _ctx;
tchar path[ctx->ops->path_max];
+ struct wim_dentry *orig_dentry;
+ struct wim_dentry *other_dentry;
+ int ret;
+ /* Here we may re-order the extraction of multiple names (hard links)
+ * for the same file in the same directory in order to ensure the short
+ * (DOS) name is set correctly. A short name is always associated with
+ * exactly one long name, and at least on NTFS, only one long name for a
+ * file can have a short name associated with it. (More specifically,
+ * there can be unlimited names in the POSIX namespace, but only one
+ * name can be in the Win32+DOS namespace, or one name in the Win32
+ * namespace with a corresponding name in the DOS namespace.) To ensure
+ * the short name of a file is associated with the correct long name in
+ * a directory, we extract the long name with a corresponding short name
+ * before any additional names. This can affect NTFS-3g extraction
+ * (which uses ntfs_set_ntfs_dos_name(), which doesn't allow specifying
+ * the long name to associate with a short name) and may affect Win32
+ * extraction as well (which uses SetFileShortName()). */
+
+ if (dentry->skeleton_extracted)
+ return 0;
+ orig_dentry = NULL;
+ if (ctx->supported_features.short_names
+ && !dentry_has_short_name(dentry)
+ && !dentry->d_inode->i_dos_name_extracted)
+ {
+ inode_for_each_dentry(other_dentry, dentry->d_inode) {
+ if (dentry_has_short_name(other_dentry)
+ && !other_dentry->skeleton_extracted
+ && other_dentry->parent == dentry->parent)
+ {
+ DEBUG("Creating %"TS" before %"TS" "
+ "to guarantee correct DOS name extraction",
+ dentry_full_path(other_dentry),
+ dentry_full_path(dentry));
+ orig_dentry = dentry;
+ dentry = other_dentry;
+ break;
+ }
+ }
+ }
+again:
if (!build_extraction_path(path, dentry, ctx))
return 0;
- return do_dentry_extract_skeleton(path, dentry, ctx);
+ ret = do_dentry_extract_skeleton(path, dentry, ctx);
+ if (ret)
+ return ret;
+
+ dentry->skeleton_extracted = 1;
+
+ if (orig_dentry) {
+ dentry = orig_dentry;
+ orig_dentry = NULL;
+ goto again;
+ }
+ dentry->d_inode->i_dos_name_extracted = 1;
+ return 0;
}
/* Create a file or directory, then immediately extract all streams. This
tchar path[ctx->ops->path_max];
int ret;
- if (!build_extraction_path(path, dentry, ctx))
- return 0;
-
- ret = do_dentry_extract_skeleton(path, dentry, ctx);
+ ret = dentry_extract_skeleton(dentry, ctx);
if (ret)
return ret;
+ if (!build_extraction_path(path, dentry, ctx))
+ return 0;
+
return extract_streams(path, ctx, dentry, NULL, NULL);
}
return 0;
}
+#define PWM_ALLOW_WIM_HDR 0x00001
+#define PWM_SILENT_EOF 0x00002
+
/* Read the header from a stream in a pipable WIM. */
static int
read_pwm_stream_header(WIMStruct *pwm, struct wim_lookup_table_entry *lte,
- bool allow_header)
+ 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 (allow_header && 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;
return 0;
read_error:
- ERROR_WITH_ERRNO("Error reading pipable WIM from pipe");
+ if (ret != WIMLIB_ERR_UNEXPECTED_END_OF_FILE || !(flags & PWM_SILENT_EOF))
+ ERROR_WITH_ERRNO("Error reading pipable WIM from pipe");
return ret;
}
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;
ret = WIMLIB_ERR_NOMEM;
found_lte = new_lookup_table_entry();
goto out;
lookup_table = ctx->wim->lookup_table;
-
+ 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, true);
- if (ret)
+ 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))
+ {
+ goto resume_done;
+ }
goto out_free_found_lte;
+ }
if ((found_lte->resource_location != RESOURCE_NONEXISTENT)
&& !(found_lte->resource_entry.flags & WIM_RESHDR_FLAG_METADATA)
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;
free_lookup_table_entry(found_lte);
out:
return ret;
+
+resume_done:
+ /* TODO */
+ return 0;
}
/* Finish extracting a file, directory, or symbolic link by setting file
dentry->extraction_skipped = 0;
dentry->was_hardlinked = 0;
+ dentry->skeleton_extracted = 0;
inode->i_visited = 0;
FREE(inode->i_extracted_file);
inode->i_extracted_file = NULL;
+ inode->i_dos_name_extracted = 0;
if ((void*)dentry->extraction_name != (void*)dentry->file_name)
FREE(dentry->extraction_name);
dentry->extraction_name = NULL;
do_feature_check(const struct wim_features *required_features,
const struct wim_features *supported_features,
int extract_flags,
- const struct apply_operations *ops)
+ const struct apply_operations *ops,
+ const tchar *wim_source_path)
{
+ const tchar *loc;
+ const tchar *mode = "this extraction mode";
+
+ if (wim_source_path[0] == '\0')
+ loc = "the WIM image";
+ else
+ loc = wim_source_path;
+
+ /* We're an archive program, so theoretically we can do what we want
+ * with FILE_ATTRIBUTE_ARCHIVE (which is a dumb flag anyway). Don't
+ * bother the user about it. */
+#if 0
if (required_features->archive_files && !supported_features->archive_files)
{
WARNING(
- "%lu files are marked as archived, but this attribute\n"
-" is not supported in this extraction mode or volume.",
- required_features->archive_files);
+ "%lu files in %"TS" are marked as archived, but this attribute\n"
+" is not supported in %"TS".",
+ required_features->archive_files, loc, mode);
}
+#endif
if (required_features->hidden_files && !supported_features->hidden_files)
{
WARNING(
- "%lu files are marked as hidden, but this attribute\n"
-" is not supported in this extraction mode or volume.",
- required_features->hidden_files);
+ "%lu files in %"TS" are marked as hidden, but this\n"
+" attribute is not supported in %"TS".",
+ required_features->hidden_files, loc, mode);
}
if (required_features->system_files && !supported_features->system_files)
{
WARNING(
- "%lu files are marked as system files, but this attribute\n"
-" is not supported in this extraction mode or volume.",
- required_features->system_files);
+ "%lu files in %"TS" are marked as system files,\n"
+" but this attribute is not supported in %"TS".",
+ required_features->system_files, loc, mode);
}
if (required_features->compressed_files && !supported_features->compressed_files)
{
WARNING(
- "%lu files are marked as being transparently compressed, but\n"
-" transparent compression is not supported in this extraction\n"
-" mode or volume. These files will be extracted as uncompressed.",
- required_features->compressed_files);
+ "%lu files in %"TS" are marked as being transparently\n"
+" compressed, but transparent compression is not supported in\n"
+" %"TS". These files will be extracted as uncompressed.",
+ required_features->compressed_files, loc, mode);
}
if (required_features->encrypted_files && !supported_features->encrypted_files)
{
WARNING(
- "%lu files are marked as being encrypted, but encryption is not\n"
-" supported in this extraction mode or volume. These files will be\n"
-" extracted as raw encrypted data instead.",
- required_features->encrypted_files);
+ "%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.",
+ required_features->encrypted_files, loc, mode);
}
if (required_features->not_context_indexed_files &&
!supported_features->not_context_indexed_files)
{
WARNING(
- "%lu files are marked as not content indexed, but this attribute\n"
-" is not supported in this extraction mode or volume.",
- required_features->not_context_indexed_files);
+ "%lu files in %"TS" are marked as not content indexed,\n"
+" but this attribute is not supported in %"TS".",
+ required_features->not_context_indexed_files, loc, mode);
}
if (required_features->sparse_files && !supported_features->sparse_files)
{
WARNING(
- "%lu files are marked as sparse, but creating sparse files is not\n"
-" supported in this extraction mode or volume. These files will be\n"
-" extracted as non-sparse.",
- required_features->not_context_indexed_files);
+ "%lu files in %"TS" are marked as sparse, but creating\n"
+" sparse files is not supported in %"TS". These files\n"
+" will be extracted as non-sparse.",
+ required_features->sparse_files, loc, mode);
}
if (required_features->named_data_streams &&
!supported_features->named_data_streams)
{
WARNING(
- "%lu files contain one or more alternate (named) data streams,\n"
-" which are not supported in this extraction mode or volume.\n"
+ "%lu files in %"TS" contain one or more alternate (named)\n"
+" data streams, which are not supported in %"TS".\n"
" Alternate data streams will NOT be extracted.",
- required_features->named_data_streams);
+ required_features->named_data_streams, loc, mode);
}
if (unlikely(extract_flags & (WIMLIB_EXTRACT_FLAG_HARDLINK |
supported_features->named_data_streams)
{
WARNING(
- "%lu files contain one or more alternate (named) data streams,\n"
-" which are not supported in linked extraction mode.\n"
+ "%lu files in %"TS" contain one or more alternate (named)\n"
+" data streams, which are not supported in linked extraction mode.\n"
" Alternate data streams will NOT be extracted.",
- required_features->named_data_streams);
+ required_features->named_data_streams, loc);
}
if (required_features->hard_links && !supported_features->hard_links)
{
WARNING(
- "%lu files are hard links, but hard links are not supported in\n"
-" this extraction mode or volume. Hard links will be extracted as\n"
+ "%lu files in %"TS" are hard links, but hard links are\n"
+" not supported in %"TS". Hard links will be extracted as\n"
" duplicate copies of the linked files.",
- required_features->hard_links);
+ required_features->hard_links, loc, mode);
}
if (required_features->reparse_points && !supported_features->reparse_points)
if (supported_features->symlink_reparse_points) {
if (required_features->other_reparse_points) {
WARNING(
- "%lu files are reparse points that are neither symbolic links\n"
-" nor junction points and are not supported in this extraction mode\n"
-" or volume. These reparse points will not be extracted.",
- required_features->other_reparse_points);
+ "%lu files in %"TS" are reparse points that are neither\n"
+" symbolic links nor junction points and are not supported in\n"
+" %"TS". These reparse points will not be extracted.",
+ required_features->other_reparse_points, loc,
+ mode);
}
} else {
WARNING(
- "%lu files are reparse points, which are not supported in this\n"
-" extraction mode or volume and will not be extracted.",
- required_features->reparse_points);
+ "%lu files in %"TS" are reparse points, which are\n"
+" not supported in %"TS" and will not be extracted.",
+ required_features->reparse_points, loc, mode);
}
}
!supported_features->security_descriptors)
{
WARNING(
- "%lu files have Windows NT security descriptors, but extracting\n"
-" security descriptors is not supported in this extraction mode\n"
-" or volume. No security descriptors will be extracted.",
- required_features->security_descriptors);
+ "%lu files in %"TS" have Windows NT security descriptors,\n"
+" but extracting security descriptors is not supported in\n"
+" %"TS". No security descriptors will be extracted.",
+ required_features->security_descriptors, loc, mode);
}
if (required_features->short_names && !supported_features->short_names)
{
WARNING(
- "%lu files have short (DOS) names, but extracting short names\n"
-" is not supported in this extraction mode or volume. Short names\n"
-" will not be extracted.\n",
- required_features->short_names);
+ "%lu files in %"TS" have short (DOS) names, but\n"
+" extracting short names is not supported in %"TS".\n"
+" Short names will not be extracted.\n",
+ required_features->short_names, loc, mode);
}
if ((extract_flags & WIMLIB_EXTRACT_FLAG_UNIX_DATA) &&
required_features->unix_data && !supported_features->unix_data)
{
- ERROR("UNIX data not supported in this extraction mode "
- "or volume", ops->name);
+ ERROR("Extracting UNIX data is not supported in %"TS, mode);
return WIMLIB_ERR_UNSUPPORTED;
}
if ((extract_flags & WIMLIB_EXTRACT_FLAG_STRICT_SHORT_NAMES) &&
required_features->short_names && !supported_features->short_names)
{
- ERROR("Short names are not supported in this extraction "
- "mode or volume", ops->name);
+ ERROR("Extracting short names is not supported in %"TS"", mode);
return WIMLIB_ERR_UNSUPPORTED;
}
if ((extract_flags & WIMLIB_EXTRACT_FLAG_STRICT_TIMESTAMPS) &&
!ops->set_timestamps)
{
- ERROR("Timestamps are not supported in this extraction "
- "mode or volume", ops->name);
+ ERROR("Extracting timestamps is not supported in %"TS"", mode);
return WIMLIB_ERR_UNSUPPORTED;
}
if (((extract_flags & (WIMLIB_EXTRACT_FLAG_STRICT_ACLS |
required_features->security_descriptors &&
!supported_features->security_descriptors)
{
- ERROR("Security descriptors not supported in this extraction "
- "mode or volume.");
+ ERROR("Extracting security descriptors is not supported in %"TS, mode);
return WIMLIB_ERR_UNSUPPORTED;
}
!supported_features->hard_links)
{
ERROR("Hard link extraction mode requested, but "
- "extraction mode or volume does not support hard links!");
+ "%"TS" does not support hard links!", mode);
return WIMLIB_ERR_UNSUPPORTED;
}
!supported_features->symlink_reparse_points)
{
ERROR("Symbolic link extraction mode requested, but "
- "extraction mode or volume does not support symbolic "
- "links!");
+ "%"TS" does not support symbolic "
+ "links!", mode);
return WIMLIB_ERR_UNSUPPORTED;
}
return 0;
dentry_tree_get_features(root, &required_features);
ret = do_feature_check(&required_features, &ctx.supported_features,
- extract_flags, ctx.ops);
+ extract_flags, ctx.ops, wim_source_path);
if (ret)
goto out_finish_or_abort_extract;
* 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
if (progress_func)
progress_func(WIMLIB_PROGRESS_MSG_EXTRACT_DIR_STRUCTURE_BEGIN,
&ctx.progress);
- ret = for_dentry_in_tree(root, dentry_extract_skeleton, &ctx);
- if (ret)
- goto out_free_realtarget;
+
+ if (!(extract_flags & WIMLIB_EXTRACT_FLAG_RESUME)) {
+ ret = for_dentry_in_tree(root, dentry_extract_skeleton, &ctx);
+ if (ret)
+ goto out_free_realtarget;
+ }
if (progress_func)
progress_func(WIMLIB_PROGRESS_MSG_EXTRACT_DIR_STRUCTURE_END,
&ctx.progress);
WIMLIB_EXTRACT_FLAG_NORPFIX))
return WIMLIB_ERR_INVALID_PARAM;
+ if ((extract_flags &
+ (WIMLIB_EXTRACT_FLAG_RESUME |
+ WIMLIB_EXTRACT_FLAG_FROM_PIPE)) == WIMLIB_EXTRACT_FLAG_RESUME)
+ return WIMLIB_ERR_INVALID_PARAM;
+
if (extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) {
#ifndef WITH_NTFS_3G
ERROR("wimlib was compiled without support for NTFS-3g, so\n"
* WIMs.) */
{
struct wim_lookup_table_entry xml_lte;
- ret = read_pwm_stream_header(pwm, &xml_lte, false);
+ 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, false);
+ ret = read_pwm_stream_header(pwm, metadata_lte, 0, NULL);
imd = pwm->image_metadata[i - 1];
imd->metadata_lte = metadata_lte;
if (ret)