}
static int
-read_blobs_from_pipe(struct apply_ctx *ctx,
- const struct read_blob_list_callbacks *cbs)
+read_blobs_from_pipe(struct apply_ctx *ctx, const struct read_blob_callbacks *cbs)
{
int ret;
u8 hash[SHA1_HASH_SIZE];
if (ret)
return ret;
- wim_res_hdr_to_desc(&reshdr, ctx->wim, &rdesc);
-
- if (!(rdesc.flags & WIM_RESHDR_FLAG_METADATA)
+ if (!(reshdr.flags & WIM_RESHDR_FLAG_METADATA)
&& (blob = lookup_blob(ctx->wim->blob_table, hash))
&& (blob->out_refcnt))
{
- blob_set_is_located_in_nonsolid_wim_resource(blob, &rdesc);
-
- ret = (*cbs->begin_blob)(blob, cbs->begin_blob_ctx);
-
- if (!ret) {
- ret = extract_blob(blob, blob->size,
- cbs->consume_chunk,
- cbs->consume_chunk_ctx);
-
- ret = (*cbs->end_blob)(blob, ret,
- cbs->end_blob_ctx);
- }
+ wim_reshdr_to_desc_and_blob(&reshdr, ctx->wim, &rdesc, blob);
+ ret = read_blob_with_sha1(blob, cbs);
blob_unset_is_located_in_wim_resource(blob);
if (ret)
return ret;
ctx->num_blobs_remaining--;
} else {
+ wim_reshdr_to_desc(&reshdr, ctx->wim, &rdesc);
ret = skip_wim_resource(&rdesc);
if (ret)
return ret;
if (unlikely(blob->out_refcnt > MAX_OPEN_FILES))
return create_temporary_file(&ctx->tmpfile_fd, &ctx->tmpfile_name);
- else
- return (*ctx->saved_cbs->begin_blob)(blob, ctx->saved_cbs->begin_blob_ctx);
+
+ return call_begin_blob(blob, ctx->saved_cbs);
}
static int
const struct wim_inode *inode = targets[i].inode;
const struct wim_dentry *dentry;
- list_for_each_entry(dentry,
- &inode->i_extraction_aliases,
- d_extraction_alias_node)
- {
+ inode_for_each_extraction_alias(dentry, inode) {
progress->extract.completed_bytes += size;
if (ctx->cur_blob_offset == ctx->cur_blob->size)
progress->extract.completed_streams++;
ctx->tmpfile_name);
}
return ret;
- } else {
- return (*ctx->saved_cbs->consume_chunk)(chunk, size,
- ctx->saved_cbs->consume_chunk_ctx);
}
+
+ return call_consume_chunk(chunk, size, ctx->saved_cbs);
}
+/* Copy the blob's data from the temporary file to each of its targets.
+ *
+ * This is executed only in the very uncommon case that a blob is being
+ * extracted to more than MAX_OPEN_FILES targets! */
static int
-extract_from_tmpfile(const tchar *tmpfile_name, struct apply_ctx *ctx)
+extract_from_tmpfile(const tchar *tmpfile_name,
+ const struct blob_descriptor *orig_blob,
+ const struct read_blob_callbacks *cbs)
{
struct blob_descriptor tmpfile_blob;
- struct blob_descriptor *orig_blob = ctx->cur_blob;
- const struct read_blob_list_callbacks *cbs = ctx->saved_cbs;
+ const struct blob_extraction_target *targets = blob_extraction_targets(orig_blob);
int ret;
- const u32 orig_refcnt = orig_blob->out_refcnt;
-
- BUILD_BUG_ON(MAX_OPEN_FILES <
- ARRAY_LEN(orig_blob->inline_blob_extraction_targets));
-
- struct blob_extraction_target *targets = orig_blob->blob_extraction_targets;
-
- /* Copy the blob's data from the temporary file to each of its targets.
- *
- * This is executed only in the very uncommon case that a blob is being
- * extracted to more than MAX_OPEN_FILES targets! */
memcpy(&tmpfile_blob, orig_blob, sizeof(struct blob_descriptor));
tmpfile_blob.blob_location = BLOB_IN_FILE_ON_DISK;
- tmpfile_blob.file_on_disk = ctx->tmpfile_name;
- ret = 0;
- for (u32 i = 0; i < orig_refcnt; i++) {
-
- /* Note: it usually doesn't matter whether we pass the original
- * blob descriptor to callbacks provided by the extraction
- * backend as opposed to the tmpfile blob descriptor, since they
- * shouldn't actually read data from the blob other than through
- * the read_blob_prefix() call below. But for
- * WIMLIB_EXTRACT_FLAG_WIMBOOT mode on Windows it does matter
- * because it needs access to the original WIM resource
- * descriptor in order to create the external backing reference.
- */
-
- orig_blob->out_refcnt = 1;
- orig_blob->inline_blob_extraction_targets[0] = targets[i];
-
- ret = (*cbs->begin_blob)(orig_blob, cbs->begin_blob_ctx);
- if (ret)
- break;
+ tmpfile_blob.file_on_disk = (tchar *)tmpfile_name;
+ tmpfile_blob.out_refcnt = 1;
- /* Extra SHA-1 isn't necessary here, but it shouldn't hurt as
- * this case is very rare anyway. */
- ret = extract_blob(&tmpfile_blob, tmpfile_blob.size,
- cbs->consume_chunk,
- cbs->consume_chunk_ctx);
-
- ret = (*cbs->end_blob)(orig_blob, ret, cbs->end_blob_ctx);
+ for (u32 i = 0; i < orig_blob->out_refcnt; i++) {
+ tmpfile_blob.inline_blob_extraction_targets[0] = targets[i];
+ ret = read_blob_with_cbs(&tmpfile_blob, cbs);
if (ret)
- break;
+ return ret;
}
- FREE(targets);
- orig_blob->out_refcnt = 0;
- return ret;
+ return 0;
}
static int
if (unlikely(filedes_valid(&ctx->tmpfile_fd))) {
filedes_close(&ctx->tmpfile_fd);
if (!status)
- status = extract_from_tmpfile(ctx->tmpfile_name, ctx);
+ status = extract_from_tmpfile(ctx->tmpfile_name, blob,
+ ctx->saved_cbs);
filedes_invalidate(&ctx->tmpfile_fd);
tunlink(ctx->tmpfile_name);
FREE(ctx->tmpfile_name);
return status;
- } else {
- return (*ctx->saved_cbs->end_blob)(blob, status,
- ctx->saved_cbs->end_blob_ctx);
}
+
+ return call_end_blob(blob, status, ctx->saved_cbs);
}
/*
*
* This also handles sending WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS.
*
- * This also works if the WIM is being read from a pipe, whereas attempting to
- * read blobs directly (e.g. with read_full_blob_into_buf()) will not.
+ * This also works if the WIM is being read from a pipe.
*
* This also will split up blobs that will need to be extracted to more than
* MAX_OPEN_FILES locations, as measured by the 'out_refcnt' of each blob.
* destination file system might not support hard links).
*/
int
-extract_blob_list(struct apply_ctx *ctx,
- const struct read_blob_list_callbacks *cbs)
+extract_blob_list(struct apply_ctx *ctx, const struct read_blob_callbacks *cbs)
{
- struct read_blob_list_callbacks wrapper_cbs = {
- .begin_blob = begin_extract_blob_wrapper,
- .begin_blob_ctx = ctx,
- .consume_chunk = extract_chunk_wrapper,
- .consume_chunk_ctx = ctx,
- .end_blob = end_extract_blob_wrapper,
- .end_blob_ctx = ctx,
+ struct read_blob_callbacks wrapper_cbs = {
+ .begin_blob = begin_extract_blob_wrapper,
+ .consume_chunk = extract_chunk_wrapper,
+ .end_blob = end_extract_blob_wrapper,
+ .ctx = ctx,
};
ctx->saved_cbs = cbs;
if (ctx->extract_flags & WIMLIB_EXTRACT_FLAG_FROM_PIPE) {
}
filedes_init(&_stdout, STDOUT_FILENO);
- return extract_full_blob_to_fd(blob, &_stdout);
+ return extract_blob_to_fd(blob, &_stdout);
}
static int
{
size_t i, j = 0;
for (i = 0; i < num_trees; i++) {
- if (!trees[i]->tmp_flag) {
+ if (!trees[i]->d_tmp_flag) {
/* Found distinct dentry. */
- trees[i]->tmp_flag = 1;
+ trees[i]->d_tmp_flag = 1;
trees[j++] = trees[i];
}
}
for (i = 0; i < j; i++)
- trees[i]->tmp_flag = 0;
+ trees[i]->d_tmp_flag = 0;
return j;
}
{
size_t i, j = 0;
for (i = 0; i < num_trees; i++)
- trees[i]->tmp_flag = 1;
+ trees[i]->d_tmp_flag = 1;
for (i = 0; i < num_trees; i++) {
struct wim_dentry *d = trees[i];
while (!dentry_is_root(d)) {
d = d->d_parent;
- if (d->tmp_flag)
+ if (d->d_tmp_flag)
goto tree_contained;
}
trees[j++] = trees[i];
continue;
tree_contained:
- trees[i]->tmp_flag = 0;
+ trees[i]->d_tmp_flag = 0;
}
for (i = 0; i < j; i++)
- trees[i]->tmp_flag = 0;
+ trees[i]->d_tmp_flag = 0;
return j;
}
dentry_reset_extraction_list_node(dentry);
inode->i_visited = 0;
inode->i_can_externally_back = 0;
- if ((void *)dentry->d_extraction_name != (void *)dentry->file_name)
+ if ((void *)dentry->d_extraction_name != (void *)dentry->d_name)
FREE(dentry->d_extraction_name);
dentry->d_extraction_name = NULL;
dentry->d_extraction_name_nchars = 0;
#ifdef WITH_NTFS_3G
if (ctx->extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) {
- dentry->d_extraction_name = dentry->file_name;
- dentry->d_extraction_name_nchars = dentry->file_name_nbytes /
+ dentry->d_extraction_name = dentry->d_name;
+ dentry->d_extraction_name_nchars = dentry->d_name_nbytes /
sizeof(utf16lechar);
return 0;
}
}
}
- if (file_name_valid(dentry->file_name, dentry->file_name_nbytes / 2, false)) {
- ret = utf16le_get_tstr(dentry->file_name,
- dentry->file_name_nbytes,
+ if (file_name_valid(dentry->d_name, dentry->d_name_nbytes / 2, false)) {
+ ret = utf16le_get_tstr(dentry->d_name,
+ dentry->d_name_nbytes,
(const tchar **)&dentry->d_extraction_name,
&dentry->d_extraction_name_nchars);
dentry->d_extraction_name_nchars /= sizeof(tchar);
out_replace:
{
- utf16lechar utf16_name_copy[dentry->file_name_nbytes / 2];
+ utf16lechar utf16_name_copy[dentry->d_name_nbytes / 2];
- memcpy(utf16_name_copy, dentry->file_name, dentry->file_name_nbytes);
- file_name_valid(utf16_name_copy, dentry->file_name_nbytes / 2, true);
+ memcpy(utf16_name_copy, dentry->d_name, dentry->d_name_nbytes);
+ file_name_valid(utf16_name_copy, dentry->d_name_nbytes / 2, true);
const tchar *tchar_name;
size_t tchar_nchars;
ret = utf16le_get_tstr(utf16_name_copy,
- dentry->file_name_nbytes,
+ dentry->d_name_nbytes,
&tchar_name, &tchar_nchars);
if (ret)
return ret;
dentry_list_build_inode_alias_lists(struct list_head *dentry_list)
{
struct wim_dentry *dentry;
- struct wim_inode *inode;
+
+ list_for_each_entry(dentry, dentry_list, d_extraction_list_node)
+ dentry->d_inode->i_first_extraction_alias = NULL;
list_for_each_entry(dentry, dentry_list, d_extraction_list_node) {
- inode = dentry->d_inode;
- if (!inode->i_visited)
- INIT_LIST_HEAD(&inode->i_extraction_aliases);
- list_add_tail(&dentry->d_extraction_alias_node,
- &inode->i_extraction_aliases);
- inode->i_visited = 1;
+ dentry->d_next_extraction_alias = dentry->d_inode->i_first_extraction_alias;
+ dentry->d_inode->i_first_extraction_alias = dentry;
}
- list_for_each_entry(dentry, dentry_list, d_extraction_list_node)
- dentry->d_inode->i_visited = 0;
}
static void
else
features->other_reparse_points++;
}
- if (inode->i_security_id != -1)
+ if (inode_has_security_descriptor(inode))
features->security_descriptors++;
if (inode_has_unix_data(inode))
features->unix_data++;
metadata_rdesc = MALLOC(sizeof(struct wim_resource_descriptor));
if (!metadata_rdesc)
goto out_wimlib_free;
- wim_res_hdr_to_desc(&reshdr, pwm, metadata_rdesc);
- blob_set_is_located_in_nonsolid_wim_resource(imd->metadata_blob,
- metadata_rdesc);
+ wim_reshdr_to_desc_and_blob(&reshdr, pwm, metadata_rdesc,
+ imd->metadata_blob);
if (i == image) {
/* Metadata resource is for the image being extracted.