#include "wimlib/metadata.h"
#include "wimlib/pathlist.h"
#include "wimlib/paths.h"
+#include "wimlib/pattern.h"
#include "wimlib/reparse.h"
#include "wimlib/resource.h"
#include "wimlib/security.h"
#include "wimlib/unix_data.h"
-#ifdef __WIN32__
-# include "wimlib/win32.h" /* for realpath() equivalent */
-#endif
-#include "wimlib/xml.h"
-#include "wimlib/wildcard.h"
#include "wimlib/wim.h"
+#include "wimlib/win32.h" /* for realpath() equivalent */
+#include "wimlib/xml.h"
#define WIMLIB_EXTRACT_FLAG_FROM_PIPE 0x80000000
#define WIMLIB_EXTRACT_FLAG_IMAGEMODE 0x40000000
WIMLIB_EXTRACT_FLAG_STRICT_GLOB | \
WIMLIB_EXTRACT_FLAG_NO_ATTRIBUTES | \
WIMLIB_EXTRACT_FLAG_NO_PRESERVE_DIR_STRUCTURE | \
- WIMLIB_EXTRACT_FLAG_WIMBOOT)
+ WIMLIB_EXTRACT_FLAG_WIMBOOT | \
+ WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS4K | \
+ WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS8K | \
+ WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS16K | \
+ WIMLIB_EXTRACT_FLAG_COMPACT_LZX \
+ )
/* Send WIMLIB_PROGRESS_MSG_EXTRACT_FILE_STRUCTURE or
* WIMLIB_PROGRESS_MSG_EXTRACT_METADATA. */
}
static int
-start_file_phase(struct apply_ctx *ctx, uint64_t end_file_count, enum wimlib_progress_msg msg)
+start_file_phase(struct apply_ctx *ctx, u64 end_file_count, enum wimlib_progress_msg msg)
{
ctx->progress.extract.current_file_count = 0;
ctx->progress.extract.end_file_count = end_file_count;
}
int
-start_file_structure_phase(struct apply_ctx *ctx, uint64_t end_file_count)
+start_file_structure_phase(struct apply_ctx *ctx, u64 end_file_count)
{
return start_file_phase(ctx, end_file_count, WIMLIB_PROGRESS_MSG_EXTRACT_FILE_STRUCTURE);
}
int
-start_file_metadata_phase(struct apply_ctx *ctx, uint64_t end_file_count)
+start_file_metadata_phase(struct apply_ctx *ctx, u64 end_file_count)
{
return start_file_phase(ctx, end_file_count, WIMLIB_PROGRESS_MSG_EXTRACT_METADATA);
}
return end_file_phase(ctx, WIMLIB_PROGRESS_MSG_EXTRACT_METADATA);
}
-#define PWM_ALLOW_WIM_HDR 0x00001
+#define PWM_FOUND_WIM_HDR (-1)
-/* Read the header for a blob in a pipable WIM. */
+/* Read the header for a blob in a pipable WIM. If @pwm_hdr_ret is not NULL,
+ * also look for a pipable WIM header and return PWM_FOUND_WIM_HDR if found. */
static int
-read_pwm_blob_header(WIMStruct *pwm, struct blob_descriptor *blob,
- struct wim_resource_descriptor *rdesc,
- int flags, struct wim_header_disk *hdr_ret)
+read_pwm_blob_header(WIMStruct *pwm, u8 hash_ret[SHA1_HASH_SIZE],
+ struct wim_reshdr *reshdr_ret,
+ struct wim_header_disk *pwm_hdr_ret)
{
- union {
- struct pwm_blob_hdr blob_hdr;
- struct wim_header_disk pwm_hdr;
- } buf;
- struct wim_reshdr reshdr;
int ret;
+ struct pwm_blob_hdr blob_hdr;
+ u64 magic;
- ret = full_read(&pwm->in_fd, &buf.blob_hdr, sizeof(buf.blob_hdr));
- if (ret)
+ ret = full_read(&pwm->in_fd, &blob_hdr, sizeof(blob_hdr));
+ if (unlikely(ret))
goto read_error;
- if ((flags & PWM_ALLOW_WIM_HDR) &&
- le64_to_cpu(buf.blob_hdr.magic) == PWM_MAGIC)
- {
- BUILD_BUG_ON(sizeof(buf.pwm_hdr) < sizeof(buf.blob_hdr));
- ret = full_read(&pwm->in_fd, &buf.blob_hdr + 1,
- sizeof(buf.pwm_hdr) - sizeof(buf.blob_hdr));
+ magic = le64_to_cpu(blob_hdr.magic);
- if (ret)
+ if (magic == PWM_MAGIC && pwm_hdr_ret != NULL) {
+ memcpy(pwm_hdr_ret, &blob_hdr, sizeof(blob_hdr));
+ ret = full_read(&pwm->in_fd,
+ (u8 *)pwm_hdr_ret + sizeof(blob_hdr),
+ sizeof(*pwm_hdr_ret) - sizeof(blob_hdr));
+ if (unlikely(ret))
goto read_error;
- blob->blob_location = BLOB_NONEXISTENT;
- memcpy(hdr_ret, &buf.pwm_hdr, sizeof(buf.pwm_hdr));
- return 0;
+ return PWM_FOUND_WIM_HDR;
}
- if (le64_to_cpu(buf.blob_hdr.magic) != PWM_BLOB_MAGIC) {
- ERROR("Data read on pipe is invalid (expected blob header).");
+ if (unlikely(magic != PWM_BLOB_MAGIC)) {
+ ERROR("Data read on pipe is invalid (expected blob header)");
return WIMLIB_ERR_INVALID_PIPABLE_WIM;
}
- copy_hash(blob->hash, buf.blob_hdr.hash);
+ copy_hash(hash_ret, blob_hdr.hash);
+
+ reshdr_ret->size_in_wim = 0; /* Not available */
+ reshdr_ret->flags = le32_to_cpu(blob_hdr.flags);
+ reshdr_ret->offset_in_wim = pwm->in_fd.offset;
+ reshdr_ret->uncompressed_size = le64_to_cpu(blob_hdr.uncompressed_size);
+
+ if (unlikely(reshdr_ret->uncompressed_size == 0)) {
+ ERROR("Data read on pipe is invalid (resource is of 0 size)");
+ return WIMLIB_ERR_INVALID_PIPABLE_WIM;
+ }
- reshdr.size_in_wim = 0;
- reshdr.flags = le32_to_cpu(buf.blob_hdr.flags);
- reshdr.offset_in_wim = pwm->in_fd.offset;
- reshdr.uncompressed_size = le64_to_cpu(buf.blob_hdr.uncompressed_size);
- wim_res_hdr_to_desc(&reshdr, pwm, rdesc);
- blob_set_is_located_in_wim_resource(blob, rdesc);
- blob->flags = rdesc->flags;
- blob->size = rdesc->uncompressed_size;
- blob->offset_in_res = 0;
return 0;
read_error:
- ERROR_WITH_ERRNO("Error reading pipable WIM from pipe");
+ if (ret == WIMLIB_ERR_UNEXPECTED_END_OF_FILE)
+ ERROR("The pipe ended before all needed data was sent!");
+ else
+ ERROR_WITH_ERRNO("Error reading pipable WIM from pipe");
return ret;
}
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)
{
- struct blob_descriptor *found_blob = NULL;
- struct wim_resource_descriptor *rdesc = NULL;
- struct blob_table *blob_table;
int ret;
+ u8 hash[SHA1_HASH_SIZE];
+ struct wim_reshdr reshdr;
+ struct wim_header_disk pwm_hdr;
+ struct wim_resource_descriptor rdesc;
+ struct blob_descriptor *blob;
- ret = WIMLIB_ERR_NOMEM;
- found_blob = new_blob_descriptor();
- if (!found_blob)
- goto out;
-
- rdesc = MALLOC(sizeof(struct wim_resource_descriptor));
- if (!rdesc)
- goto out;
-
- blob_table = ctx->wim->blob_table;
- memcpy(ctx->progress.extract.guid, ctx->wim->hdr.guid, WIM_GUID_LEN);
+ copy_guid(ctx->progress.extract.guid, ctx->wim->hdr.guid);
ctx->progress.extract.part_number = ctx->wim->hdr.part_number;
ctx->progress.extract.total_parts = ctx->wim->hdr.total_parts;
ret = extract_progress(ctx, WIMLIB_PROGRESS_MSG_EXTRACT_SPWM_PART_BEGIN);
if (ret)
- goto out;
+ return ret;
while (ctx->num_blobs_remaining) {
- struct wim_header_disk pwm_hdr;
- struct blob_descriptor *needed_blob;
- if (found_blob->blob_location != BLOB_NONEXISTENT)
- blob_unset_is_located_in_wim_resource(found_blob);
- ret = read_pwm_blob_header(ctx->wim, found_blob, rdesc,
- PWM_ALLOW_WIM_HDR, &pwm_hdr);
- if (ret)
- goto out;
+ ret = read_pwm_blob_header(ctx->wim, hash, &reshdr, &pwm_hdr);
- if ((found_blob->blob_location != BLOB_NONEXISTENT)
- && !(found_blob->flags & WIM_RESHDR_FLAG_METADATA)
- && (needed_blob = lookup_blob(blob_table, found_blob->hash))
- && (needed_blob->out_refcnt))
- {
- needed_blob->offset_in_res = found_blob->offset_in_res;
- needed_blob->flags = found_blob->flags;
- needed_blob->size = found_blob->size;
+ if (ret == PWM_FOUND_WIM_HDR) {
+ u16 part_number = le16_to_cpu(pwm_hdr.part_number);
+ u16 total_parts = le16_to_cpu(pwm_hdr.total_parts);
- blob_unset_is_located_in_wim_resource(found_blob);
- blob_set_is_located_in_wim_resource(needed_blob, rdesc);
+ if (part_number == ctx->progress.extract.part_number &&
+ total_parts == ctx->progress.extract.total_parts &&
+ guids_equal(pwm_hdr.guid, ctx->progress.extract.guid))
+ continue;
- ret = (*cbs->begin_blob)(needed_blob,
- cbs->begin_blob_ctx);
- if (ret) {
- blob_unset_is_located_in_wim_resource(needed_blob);
- goto out;
- }
+ copy_guid(ctx->progress.extract.guid, pwm_hdr.guid);
+ ctx->progress.extract.part_number = part_number;
+ ctx->progress.extract.total_parts = total_parts;
+ ret = extract_progress(ctx, WIMLIB_PROGRESS_MSG_EXTRACT_SPWM_PART_BEGIN);
+ if (ret)
+ return ret;
+
+ continue;
+ }
- ret = extract_blob(needed_blob, needed_blob->size,
- cbs->consume_chunk,
- cbs->consume_chunk_ctx);
+ if (ret)
+ return ret;
- ret = (*cbs->end_blob)(needed_blob, ret,
- cbs->end_blob_ctx);
- blob_unset_is_located_in_wim_resource(needed_blob);
+ if (!(reshdr.flags & WIM_RESHDR_FLAG_METADATA)
+ && (blob = lookup_blob(ctx->wim->blob_table, hash))
+ && (blob->out_refcnt))
+ {
+ 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)
- goto out;
+ return ret;
ctx->num_blobs_remaining--;
- } else if (found_blob->blob_location != BLOB_NONEXISTENT) {
- ret = skip_wim_resource(found_blob->rdesc);
- if (ret)
- goto out;
} 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_GUID_LEN))
- {
- ctx->progress.extract.part_number = part_number;
- ctx->progress.extract.total_parts = total_parts;
- memcpy(ctx->progress.extract.guid,
- pwm_hdr.guid, WIM_GUID_LEN);
- ret = extract_progress(ctx,
- WIMLIB_PROGRESS_MSG_EXTRACT_SPWM_PART_BEGIN);
- if (ret)
- goto out;
- }
+ wim_reshdr_to_desc(&reshdr, ctx->wim, &rdesc);
+ ret = skip_wim_resource(&rdesc);
+ if (ret)
+ return ret;
}
}
- ret = 0;
-out:
- if (found_blob && found_blob->blob_location != BLOB_IN_WIM)
- FREE(rdesc);
- free_blob_descriptor(found_blob);
- return ret;
+
+ return 0;
}
/* Creates a temporary file opened for writing. The open file descriptor is
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++;
if (ret)
return ret;
- if (progress->extract.completed_bytes >=
- progress->extract.total_bytes)
- {
- ctx->next_progress = UINT64_MAX;
- } else {
- /* Send new message as soon as another 1/128 of the
- * total has been extracted. (Arbitrary number.) */
- ctx->next_progress =
- progress->extract.completed_bytes +
- progress->extract.total_bytes / 128;
-
- /* ... Unless that would be more than 5000000 bytes, in
- * which case send the next after the next 5000000
- * bytes. (Another arbitrary number.) */
- if (progress->extract.completed_bytes + 5000000 <
- ctx->next_progress)
- ctx->next_progress =
- progress->extract.completed_bytes + 5000000;
-
- /* ... But always send a message as soon as we're
- * completely done. */
- if (progress->extract.total_bytes < ctx->next_progress)
- ctx->next_progress = progress->extract.total_bytes;
- }
+ set_next_progress(progress->extract.completed_bytes,
+ progress->extract.total_bytes,
+ &ctx->next_progress);
}
if (unlikely(filedes_valid(&ctx->tmpfile_fd))) {
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.
* Therefore, the apply_operations implementation need not worry about running
* out of file descriptors, unless it might open more than one file descriptor
- * per nominal destination (e.g. Win32 currently might because the destination
- * file system might not support hard links).
+ * per 'blob_extraction_target' (e.g. Win32 currently might because the
+ * 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;
}
static int
dentry_delete_from_list(struct wim_dentry *dentry, void *_ignore)
{
- list_del(&dentry->d_extraction_list_node);
- dentry_reset_extraction_list_node(dentry);
+ if (will_extract_dentry(dentry)) {
+ list_del(&dentry->d_extraction_list_node);
+ dentry_reset_extraction_list_node(dentry);
+ }
return 0;
}
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;
if (num_chars == 0)
return true;
for (i = 0; i < num_chars; i++) {
- switch (name[i]) {
+ switch (le16_to_cpu(name[i])) {
#ifdef __WIN32__
- case cpu_to_le16('\\'):
- case cpu_to_le16(':'):
- case cpu_to_le16('*'):
- case cpu_to_le16('?'):
- case cpu_to_le16('"'):
- case cpu_to_le16('<'):
- case cpu_to_le16('>'):
- case cpu_to_le16('|'):
+ case '\x01'...'\x1F':
+ case '\\':
+ case ':':
+ case '*':
+ case '?':
+ case '"':
+ case '<':
+ case '>':
+ case '|':
#endif
- case cpu_to_le16('/'):
- case cpu_to_le16('\0'):
+ case '/':
+ case '\0':
if (fix)
name[i] = replacement_char;
else
}
}
-#ifdef __WIN32__
- if (name[num_chars - 1] == cpu_to_le16(' ') ||
- name[num_chars - 1] == cpu_to_le16('.'))
- {
- if (fix)
- name[num_chars - 1] = replacement_char;
- else
- return false;
- }
-#endif
return true;
}
#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)) {
+ size_t nbytes = 0;
+ 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);
+ &nbytes);
+ dentry->d_extraction_name_nchars = nbytes / sizeof(tchar);
return ret;
} else {
if (ctx->extract_flags & WIMLIB_EXTRACT_FLAG_REPLACE_INVALID_FILENAMES)
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;
* - file is a directory
* - file is encrypted
* - backend needs to create the file as UNIX symlink
- * - backend will extract the stream as externally backed
+ * - backend will extract the stream as externally
+ * backed from the WIM archive itself
*/
- if (ctx->apply_ops->will_externally_back) {
- int ret = (*ctx->apply_ops->will_externally_back)(dentry, ctx);
+ if (ctx->apply_ops->will_back_from_wim) {
+ int ret = (*ctx->apply_ops->will_back_from_wim)(dentry, ctx);
if (ret > 0) /* Error? */
return ret;
if (ret < 0) /* Won't externally back? */
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++;
* 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);
+ xml_get_image_total_bytes(wim->xml_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);
+ xml_get_image_hard_link_bytes(wim->xml_info,
+ wim->current_image);
}
}
#endif
}
+ if (extract_flags & (WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS4K |
+ WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS8K |
+ WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS16K |
+ WIMLIB_EXTRACT_FLAG_COMPACT_LZX))
+ {
+ #ifdef __WIN32__
+ int count = 0;
+ count += ((extract_flags & WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS4K) != 0);
+ count += ((extract_flags & WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS8K) != 0);
+ count += ((extract_flags & WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS16K) != 0);
+ count += ((extract_flags & WIMLIB_EXTRACT_FLAG_COMPACT_LZX) != 0);
+ if (count != 1) {
+ ERROR("Only one compression format can be specified "
+ "for compact-mode extraction!");
+ return WIMLIB_ERR_INVALID_PARAM;
+ }
+ if (extract_flags & WIMLIB_EXTRACT_FLAG_WIMBOOT) {
+ ERROR("Compact-mode extraction and WIMBoot-mode "
+ "extraction are mutually exclusive!");
+ return WIMLIB_ERR_INVALID_PARAM;
+ }
+ #else
+ ERROR("Compact-mode extraction (System Compression) "
+ "is only supported on Windows!");
+ return WIMLIB_ERR_UNSUPPORTED;
+ #endif
+ }
+
if ((extract_flags & (WIMLIB_EXTRACT_FLAG_RPFIX |
WIMLIB_EXTRACT_FLAG_NORPFIX |
return 0;
}
-static u32
-get_wildcard_flags(int extract_flags)
-{
- u32 wildcard_flags = 0;
-
- if (extract_flags & WIMLIB_EXTRACT_FLAG_STRICT_GLOB)
- wildcard_flags |= WILDCARD_FLAG_ERROR_IF_NO_MATCH;
- else
- wildcard_flags |= WILDCARD_FLAG_WARN_IF_NO_MATCH;
-
- if (default_ignore_case)
- wildcard_flags |= WILDCARD_FLAG_CASE_INSENSITIVE;
-
- return wildcard_flags;
-}
-
struct append_dentry_ctx {
struct wim_dentry **dentries;
size_t num_dentries;
return 0;
}
+/* Append dentries matched by a path which can contain wildcard characters. */
+static int
+append_matched_dentries(WIMStruct *wim, const tchar *orig_pattern,
+ int extract_flags, struct append_dentry_ctx *ctx)
+{
+ const size_t count_before = ctx->num_dentries;
+ tchar *pattern;
+ int ret;
+
+ pattern = canonicalize_wim_path(orig_pattern);
+ if (!pattern)
+ return WIMLIB_ERR_NOMEM;
+ ret = expand_path_pattern(wim_get_current_root_dentry(wim), pattern,
+ append_dentry_cb, ctx);
+ FREE(pattern);
+ if (ret || ctx->num_dentries > count_before)
+ return ret;
+ if (extract_flags & WIMLIB_EXTRACT_FLAG_STRICT_GLOB) {
+ ERROR("No matches for path pattern \"%"TS"\"", orig_pattern);
+ return WIMLIB_ERR_PATH_DOES_NOT_EXIST;
+ }
+ WARNING("No matches for path pattern \"%"TS"\"", orig_pattern);
+ return 0;
+}
+
static int
do_wimlib_extract_paths(WIMStruct *wim, int image, const tchar *target,
const tchar * const *paths, size_t num_paths,
.num_alloc_dentries = 0,
};
- u32 wildcard_flags = get_wildcard_flags(extract_flags);
-
for (size_t i = 0; i < num_paths; i++) {
- tchar *path = canonicalize_wim_path(paths[i]);
- if (path == NULL) {
- ret = WIMLIB_ERR_NOMEM;
- trees = append_dentry_ctx.dentries;
- goto out_free_trees;
- }
- ret = expand_wildcard(wim, path,
- append_dentry_cb,
- &append_dentry_ctx,
- wildcard_flags);
- FREE(path);
+ ret = append_matched_dentries(wim, paths[i],
+ extract_flags,
+ &append_dentry_ctx);
if (ret) {
trees = append_dentry_ctx.dentries;
goto out_free_trees;
return image_name && *image_name &&
!tstrpbrk(image_name, filename_forbidden_chars) &&
tstrcmp(image_name, T(".")) &&
- tstrcmp(image_name, T(".."));
+ tstrcmp(image_name, T("..")) &&
+ tstrlen(image_name) <= 128;
}
/* Extracts all images from the WIM to the directory @target, with the images
static int
extract_all_images(WIMStruct *wim, const tchar *target, int extract_flags)
{
- size_t image_name_max_len = max(xml_get_max_image_name_len(wim), 20);
size_t output_path_len = tstrlen(target);
- tchar buf[output_path_len + 1 + image_name_max_len + 1];
+ tchar buf[output_path_len + 1 + 128 + 1];
int ret;
int image;
const tchar *image_name;
* write_pipable_wim() for more details about the format of pipable
* WIMs.) */
{
- struct blob_descriptor xml_blob;
- struct wim_resource_descriptor xml_rdesc;
- ret = read_pwm_blob_header(pwm, &xml_blob, &xml_rdesc, 0, NULL);
+ u8 hash[SHA1_HASH_SIZE];
+
+ ret = read_pwm_blob_header(pwm, hash,
+ &pwm->hdr.xml_data_reshdr, NULL);
if (ret)
goto out_wimlib_free;
- if (!(xml_blob.flags & WIM_RESHDR_FLAG_METADATA))
- {
+ if (!(pwm->hdr.xml_data_reshdr.flags & WIM_RESHDR_FLAG_METADATA)) {
ERROR("Expected XML data, but found non-metadata resource.");
ret = WIMLIB_ERR_INVALID_PIPABLE_WIM;
goto out_wimlib_free;
}
- wim_res_desc_to_hdr(&xml_rdesc, &pwm->hdr.xml_data_reshdr);
-
ret = read_wim_xml_data(pwm);
if (ret)
goto out_wimlib_free;
- if (wim_info_get_num_images(pwm->wim_info) != pwm->hdr.image_count) {
+ if (xml_get_image_count(pwm->xml_info) != pwm->hdr.image_count) {
ERROR("Image count in XML data is not the same as in WIM header.");
ret = WIMLIB_ERR_IMAGE_COUNT;
goto out_wimlib_free;
/* Load the needed metadata resource. */
for (i = 1; i <= pwm->hdr.image_count; i++) {
- struct blob_descriptor *metadata_blob;
struct wim_image_metadata *imd;
+ struct wim_reshdr reshdr;
struct wim_resource_descriptor *metadata_rdesc;
- metadata_blob = new_blob_descriptor();
- if (metadata_blob == NULL) {
- ret = WIMLIB_ERR_NOMEM;
- goto out_wimlib_free;
- }
- metadata_rdesc = MALLOC(sizeof(struct wim_resource_descriptor));
- if (metadata_rdesc == NULL) {
- ret = WIMLIB_ERR_NOMEM;
- free_blob_descriptor(metadata_blob);
+ imd = pwm->image_metadata[i - 1];
+
+ ret = WIMLIB_ERR_NOMEM;
+ imd->metadata_blob = new_blob_descriptor();
+ if (!imd->metadata_blob)
goto out_wimlib_free;
- }
- ret = read_pwm_blob_header(pwm, metadata_blob, metadata_rdesc, 0, NULL);
- imd = pwm->image_metadata[i - 1];
- imd->metadata_blob = metadata_blob;
- if (ret) {
- FREE(metadata_rdesc);
+ imd->metadata_blob->is_metadata = 1;
+
+ ret = read_pwm_blob_header(pwm, imd->metadata_blob->hash,
+ &reshdr, NULL);
+ if (ret)
goto out_wimlib_free;
- }
- if (!(metadata_blob->flags & WIM_RESHDR_FLAG_METADATA)) {
+ if (!(reshdr.flags & WIM_RESHDR_FLAG_METADATA)) {
ERROR("Expected metadata resource, but found "
- "non-metadata resource.");
+ "non-metadata resource");
ret = WIMLIB_ERR_INVALID_PIPABLE_WIM;
goto out_wimlib_free;
}
+ ret = WIMLIB_ERR_NOMEM;
+ metadata_rdesc = MALLOC(sizeof(struct wim_resource_descriptor));
+ if (!metadata_rdesc)
+ goto out_wimlib_free;
+ wim_reshdr_to_desc_and_blob(&reshdr, pwm, metadata_rdesc,
+ imd->metadata_blob);
+
if (i == image) {
/* Metadata resource is for the image being extracted.
* Parse it and save the metadata in memory. */