#endif
#ifndef __WIN32__
-static int extract_regular_file_linked(struct wim_dentry *dentry,
- const char *output_path,
- struct apply_args *args,
- struct wim_lookup_table_entry *lte)
+
+/* Returns the number of components of @path. */
+static unsigned
+get_num_path_components(const char *path)
+{
+ unsigned num_components = 0;
+ while (*path) {
+ while (*path == '/')
+ path++;
+ if (*path)
+ num_components++;
+ while (*path && *path != '/')
+ path++;
+ }
+ return num_components;
+}
+
+static const char *
+path_next_part(const char *path)
+{
+ while (*path && *path != '/')
+ path++;
+ while (*path && *path == '/')
+ path++;
+ return path;
+}
+
+static int
+extract_regular_file_linked(struct wim_dentry *dentry,
+ const char *output_path,
+ struct apply_args *args,
+ struct wim_lookup_table_entry *lte)
{
/* This mode overrides the normal hard-link extraction and
* instead either symlinks or hardlinks *all* identical files in
const char *p2;
size_t i;
- num_path_components =
- get_num_path_components(dentry->full_path_utf8) - 1;
- num_output_dir_path_components =
- get_num_path_components(args->target);
+ num_path_components = get_num_path_components(dentry->_full_path) - 1;
+ num_output_dir_path_components = get_num_path_components(args->target);
if (args->extract_flags & WIMLIB_EXTRACT_FLAG_MULTI_IMAGE) {
num_path_components++;
p2 = lte->extracted_file;
while (*p2 == '/')
p2++;
- while (num_output_dir_path_components--)
- p2 = path_next_part(p2, NULL);
+ while (num_output_dir_path_components > 0) {
+ p2 = path_next_part(p2);
+ num_output_dir_path_components--;
+ }
strcpy(p, p2);
if (symlink(buf, output_path) != 0) {
- ERROR_WITH_ERRNO("Failed to symlink `%s' to "
- "`%s'",
+ ERROR_WITH_ERRNO("Failed to symlink `%s' to `%s'",
buf, lte->extracted_file);
return WIMLIB_ERR_LINK;
}
return 0;
}
-static int symlink_apply_unix_data(const char *link,
- const struct wimlib_unix_data *unix_data)
+static int
+symlink_apply_unix_data(const char *link,
+ const struct wimlib_unix_data *unix_data)
{
if (lchown(link, unix_data->uid, unix_data->gid)) {
if (errno == EPERM) {
return 0;
}
-static int fd_apply_unix_data(int fd, const struct wimlib_unix_data *unix_data)
+static int
+fd_apply_unix_data(int fd, const struct wimlib_unix_data *unix_data)
{
if (fchown(fd, unix_data->uid, unix_data->gid)) {
if (errno == EPERM) {
return 0;
}
-static int dir_apply_unix_data(const char *dir,
- const struct wimlib_unix_data *unix_data)
+static int
+dir_apply_unix_data(const char *dir, const struct wimlib_unix_data *unix_data)
{
int dfd = open(dir, O_RDONLY);
int ret;
return ret;
}
-static int extract_regular_file_unlinked(struct wim_dentry *dentry,
- struct apply_args *args,
- const char *output_path,
- struct wim_lookup_table_entry *lte)
+static int
+extract_regular_file_unlinked(struct wim_dentry *dentry,
+ struct apply_args *args,
+ const char *output_path,
+ struct wim_lookup_table_entry *lte)
{
/* Normal mode of extraction. Regular files and hard links are
* extracted in the way that they appear in the WIM. */
}
ret = extract_wim_resource_to_fd(lte, out_fd, wim_resource_size(lte));
- if (ret != 0) {
+ if (ret) {
ERROR("Failed to extract resource to `%s'", output_path);
goto out;
}
ret = 0;
else
ret = fd_apply_unix_data(out_fd, &unix_data);
- if (ret != 0)
+ if (ret)
goto out;
}
if (lte)
return ret;
}
-static int extract_regular_file(struct wim_dentry *dentry,
- struct apply_args *args,
- const char *output_path)
+static int
+extract_regular_file(struct wim_dentry *dentry,
+ struct apply_args *args,
+ const char *output_path)
{
struct wim_lookup_table_entry *lte;
const struct wim_inode *inode = dentry->d_inode;
return extract_regular_file_unlinked(dentry, args, output_path, lte);
}
-static int extract_symlink(struct wim_dentry *dentry,
- struct apply_args *args,
- const char *output_path)
+static int
+extract_symlink(struct wim_dentry *dentry,
+ struct apply_args *args,
+ const char *output_path)
{
- char target[4096];
- ssize_t ret = inode_readlink(dentry->d_inode, target,
- sizeof(target), args->w, 0);
+ char target[4096 + args->target_realpath_len];
+ char *fixed_target;
+ const struct wim_inode *inode = dentry->d_inode;
+
+ ssize_t ret = wim_inode_readlink(inode,
+ target + args->target_realpath_len,
+ sizeof(target) - args->target_realpath_len - 1);
struct wim_lookup_table_entry *lte;
if (ret <= 0) {
ERROR("Could not read the symbolic link from dentry `%s'",
- dentry->full_path_utf8);
+ dentry->_full_path);
return WIMLIB_ERR_INVALID_DENTRY;
}
- ret = symlink(target, output_path);
- if (ret != 0) {
+ target[args->target_realpath_len + ret] = '\0';
+ if (target[args->target_realpath_len] == '/' &&
+ args->extract_flags & WIMLIB_EXTRACT_FLAG_RPFIX)
+ {
+ /* Fix absolute symbolic link target to point into the actual
+ * extraction destination */
+ memcpy(target, args->target_realpath,
+ args->target_realpath_len);
+ fixed_target = target;
+ } else {
+ /* Keep same link target */
+ fixed_target = target + args->target_realpath_len;
+ }
+ ret = symlink(fixed_target, output_path);
+ if (ret) {
ERROR_WITH_ERRNO("Failed to symlink `%s' to `%s'",
- output_path, target);
+ output_path, fixed_target);
return WIMLIB_ERR_LINK;
}
- lte = inode_unnamed_lte_resolved(dentry->d_inode);
- wimlib_assert(lte != NULL);
if (args->extract_flags & WIMLIB_EXTRACT_FLAG_UNIX_DATA) {
struct wimlib_unix_data unix_data;
- ret = inode_get_unix_data(dentry->d_inode, &unix_data, NULL);
+ ret = inode_get_unix_data(inode, &unix_data, NULL);
if (ret > 0)
;
else if (ret < 0)
ret = 0;
else
ret = symlink_apply_unix_data(output_path, &unix_data);
- if (ret != 0)
+ if (ret)
return ret;
}
+ lte = inode_unnamed_lte_resolved(inode);
+ wimlib_assert(lte != NULL);
args->progress.extract.completed_bytes += wim_resource_size(lte);
return 0;
}
#endif /* !__WIN32__ */
-static int extract_directory(struct wim_dentry *dentry,
- const char *output_path, bool is_root)
+static int
+extract_directory(struct wim_dentry *dentry,
+ const tchar *output_path, bool is_root)
{
int ret;
struct stat stbuf;
- ret = stat(output_path, &stbuf);
+ ret = tstat(output_path, &stbuf);
if (ret == 0) {
if (S_ISDIR(stbuf.st_mode)) {
/*if (!is_root)*/
/*WARNING("`%s' already exists", output_path);*/
goto dir_exists;
} else {
- ERROR("`%s' is not a directory", output_path);
+ ERROR("`%"TS"' is not a directory", output_path);
return WIMLIB_ERR_MKDIR;
}
} else {
if (errno != ENOENT) {
- ERROR_WITH_ERRNO("Failed to stat `%s'", output_path);
+ ERROR_WITH_ERRNO("Failed to stat `%"TS"'", output_path);
return WIMLIB_ERR_STAT;
}
}
- if (mkdir(output_path, S_IRWXU | S_IRGRP | S_IXGRP |
- S_IROTH | S_IXOTH) != 0) {
- ERROR_WITH_ERRNO("Cannot create directory `%s'",
- output_path);
+
+ if (tmkdir(output_path, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH))
+ {
+ ERROR_WITH_ERRNO("Cannot create directory `%"TS"'", output_path);
return WIMLIB_ERR_MKDIR;
}
dir_exists:
}
#ifndef __WIN32__
-static int unix_do_apply_dentry(const char *output_path,
- size_t output_path_len,
- struct wim_dentry *dentry,
- struct apply_args *args)
+static int
+unix_do_apply_dentry(const char *output_path, size_t output_path_len,
+ struct wim_dentry *dentry, struct apply_args *args)
{
const struct wim_inode *inode = dentry->d_inode;
return extract_regular_file(dentry, args, output_path);
}
-static int unix_do_apply_dentry_timestamps(const char *output_path,
- size_t output_path_len,
- const struct wim_dentry *dentry,
- struct apply_args *args)
+static int
+unix_do_apply_dentry_timestamps(const char *output_path,
+ size_t output_path_len,
+ const struct wim_dentry *dentry,
+ struct apply_args *args)
{
int ret;
const struct wim_inode *inode = dentry->d_inode;
+#ifdef HAVE_UTIMENSAT
/* Convert the WIM timestamps, which are accurate to 100 nanoseconds,
- * into struct timeval's. */
- struct timeval tv[2];
- wim_timestamp_to_timeval(inode->i_last_access_time, &tv[0]);
- wim_timestamp_to_timeval(inode->i_last_write_time, &tv[1]);
+ * into `struct timespec's for passing to utimensat(), which is accurate
+ * to 1 nanosecond. */
+
+ struct timespec ts[2];
+ ts[0] = wim_timestamp_to_timespec(inode->i_last_access_time);
+ ts[1] = wim_timestamp_to_timespec(inode->i_last_write_time);
+ ret = utimensat(AT_FDCWD, output_path, ts, AT_SYMLINK_NOFOLLOW);
+ if (ret)
+ ret = errno;
+#else
+ ret = ENOSYS;
+#endif
+
+ if (ret == ENOSYS) {
+ /* utimensat() not implemented or not available */
#ifdef HAVE_LUTIMES
- ret = lutimes(output_path, tv);
- #else
- ret = -1;
- errno = ENOSYS;
+ /* Convert the WIM timestamps, which are accurate to 100
+ * nanoseconds, into `struct timeval's for passing to lutimes(),
+ * which is accurate to 1 microsecond. */
+ struct timeval tv[2];
+ tv[0] = wim_timestamp_to_timeval(inode->i_last_access_time);
+ tv[1] = wim_timestamp_to_timeval(inode->i_last_write_time);
+ ret = lutimes(output_path, tv);
+ if (ret)
+ ret = errno;
#endif
- if (ret != 0) {
- #ifdef HAVE_UTIME
- if (errno == ENOSYS) {
- struct utimbuf buf;
- buf.actime = wim_timestamp_to_unix(inode->i_last_access_time);
- buf.modtime = wim_timestamp_to_unix(inode->i_last_write_time);
- if (utime(output_path, &buf) == 0)
- return 0;
- }
- #endif
- if (errno != ENOSYS || args->num_lutimes_warnings < 10) {
- /*WARNING_WITH_ERRNO("Failed to set timestamp on file `%s',*/
- /*output_path");*/
- args->num_lutimes_warnings++;
- }
+ }
+
+ if (ret == ENOSYS) {
+ /* utimensat() and lutimes() both not implemented or not
+ * available */
+ #ifdef HAVE_UTIME
+ /* Convert the WIM timestamps, which are accurate to 100
+ * nanoseconds, into a `struct utimbuf's for passing to
+ * utime(), which is accurate to 1 second. */
+ struct utimbuf buf;
+ buf.actime = wim_timestamp_to_unix(inode->i_last_access_time);
+ buf.modtime = wim_timestamp_to_unix(inode->i_last_write_time);
+ ret = utime(output_path, &buf);
+ #endif
+ }
+ if (ret && args->num_utime_warnings < 10) {
+ WARNING_WITH_ERRNO("Failed to set timestamp on file `%s'",
+ output_path);
+ args->num_utime_warnings++;
}
return 0;
}
#endif /* !__WIN32__ */
/* Extracts a file, directory, or symbolic link from the WIM archive. */
-static int apply_dentry_normal(struct wim_dentry *dentry, void *arg)
+static int
+apply_dentry_normal(struct wim_dentry *dentry, void *arg)
{
struct apply_args *args = arg;
size_t len;
- char *output_path;
+ tchar *output_path;
- len = strlen(args->target);
+ len = tstrlen(args->target);
if (dentry_is_root(dentry)) {
- output_path = (char*)args->target;
+ output_path = (tchar*)args->target;
} else {
- output_path = alloca(len + dentry->full_path_utf8_len + 1);
- memcpy(output_path, args->target, len);
- memcpy(output_path + len, dentry->full_path_utf8, dentry->full_path_utf8_len);
- output_path[len + dentry->full_path_utf8_len] = '\0';
- len += dentry->full_path_utf8_len;
+ output_path = alloca(len * sizeof(tchar) + dentry->full_path_nbytes +
+ sizeof(tchar));
+ memcpy(output_path, args->target, len * sizeof(tchar));
+ memcpy(output_path + len, dentry->_full_path, dentry->full_path_nbytes);
+ len += dentry->full_path_nbytes / sizeof(tchar);
+ output_path[len] = T('\0');
}
#ifdef __WIN32__
return win32_do_apply_dentry(output_path, len, dentry, args);
/* Apply timestamps to an extracted file or directory */
-static int apply_dentry_timestamps_normal(struct wim_dentry *dentry, void *arg)
+static int
+apply_dentry_timestamps_normal(struct wim_dentry *dentry, void *arg)
{
struct apply_args *args = arg;
size_t len;
- char *output_path;
+ tchar *output_path;
- len = strlen(args->target);
+ len = tstrlen(args->target);
if (dentry_is_root(dentry)) {
- output_path = (char*)args->target;
+ output_path = (tchar*)args->target;
} else {
- output_path = alloca(len + dentry->full_path_utf8_len + 1);
- memcpy(output_path, args->target, len);
- memcpy(output_path + len, dentry->full_path_utf8, dentry->full_path_utf8_len);
- output_path[len + dentry->full_path_utf8_len] = '\0';
- len += dentry->full_path_utf8_len;
+ output_path = alloca(len * sizeof(tchar) + dentry->full_path_nbytes +
+ sizeof(tchar));
+ memcpy(output_path, args->target, len * sizeof(tchar));
+ memcpy(output_path + len, dentry->_full_path, dentry->full_path_nbytes);
+ len += dentry->full_path_nbytes / sizeof(tchar);
+ output_path[len] = T('\0');
}
+
#ifdef __WIN32__
return win32_do_apply_dentry_timestamps(output_path, len, dentry, args);
#else
/* Extract a dentry if it hasn't already been extracted, and either the dentry
* has no streams or WIMLIB_EXTRACT_FLAG_NO_STREAMS is not specified. */
-static int maybe_apply_dentry(struct wim_dentry *dentry, void *arg)
+static int
+maybe_apply_dentry(struct wim_dentry *dentry, void *arg)
{
struct apply_args *args = arg;
int ret;
return 0;
if (args->extract_flags & WIMLIB_EXTRACT_FLAG_NO_STREAMS)
- if (inode_unnamed_lte_resolved(dentry->d_inode))
+ if (inode_unnamed_lte_resolved(dentry->d_inode) &&
+ !(dentry->d_inode->i_attributes & (FILE_ATTRIBUTE_DIRECTORY |
+ FILE_ATTRIBUTE_ENCRYPTED)))
return 0;
if ((args->extract_flags & WIMLIB_EXTRACT_FLAG_VERBOSE) &&
args->progress_func) {
- args->progress.extract.cur_path = dentry->full_path_utf8;
+ args->progress.extract.cur_path = dentry->_full_path;
args->progress_func(WIMLIB_PROGRESS_MSG_EXTRACT_DENTRY,
&args->progress);
}
return ret;
}
-static int cmp_streams_by_wim_position(const void *p1, const void *p2)
-{
- const struct wim_lookup_table_entry *lte1, *lte2;
- lte1 = *(const struct wim_lookup_table_entry**)p1;
- lte2 = *(const struct wim_lookup_table_entry**)p2;
- if (lte1->resource_entry.offset < lte2->resource_entry.offset)
- return -1;
- else if (lte1->resource_entry.offset > lte2->resource_entry.offset)
- return 1;
- else
- return 0;
-}
-
-static int sort_stream_list_by_wim_position(struct list_head *stream_list)
-{
- struct list_head *cur;
- size_t num_streams;
- struct wim_lookup_table_entry **array;
- size_t i;
- size_t array_size;
-
- num_streams = 0;
- list_for_each(cur, stream_list)
- num_streams++;
- array_size = num_streams * sizeof(array[0]);
- array = MALLOC(array_size);
- if (!array) {
- ERROR("Failed to allocate %zu bytes to sort stream entries",
- array_size);
- return WIMLIB_ERR_NOMEM;
- }
- cur = stream_list->next;
- for (i = 0; i < num_streams; i++) {
- array[i] = container_of(cur, struct wim_lookup_table_entry, staging_list);
- cur = cur->next;
- }
-
- qsort(array, num_streams, sizeof(array[0]), cmp_streams_by_wim_position);
-
- INIT_LIST_HEAD(stream_list);
- for (i = 0; i < num_streams; i++)
- list_add_tail(&array[i]->staging_list, stream_list);
- FREE(array);
- return 0;
-}
-
-static void calculate_bytes_to_extract(struct list_head *stream_list,
- int extract_flags,
- union wimlib_progress_info *progress)
+static void
+calculate_bytes_to_extract(struct list_head *stream_list,
+ int extract_flags,
+ union wimlib_progress_info *progress)
{
struct wim_lookup_table_entry *lte;
u64 total_bytes = 0;
u64 num_streams = 0;
/* For each stream to be extracted... */
- list_for_each_entry(lte, stream_list, staging_list) {
+ list_for_each_entry(lte, stream_list, extraction_list) {
if (extract_flags &
(WIMLIB_EXTRACT_FLAG_SYMLINK | WIMLIB_EXTRACT_FLAG_HARDLINK))
{
progress->extract.completed_bytes = 0;
}
-static void maybe_add_stream_for_extraction(struct wim_lookup_table_entry *lte,
- struct list_head *stream_list)
+static void
+maybe_add_stream_for_extraction(struct wim_lookup_table_entry *lte,
+ struct list_head *stream_list)
{
if (++lte->out_refcnt == 1) {
INIT_LIST_HEAD(<e->inode_list);
- list_add_tail(<e->staging_list, stream_list);
+ list_add_tail(<e->extraction_list, stream_list);
}
}
-static void inode_find_streams_for_extraction(struct wim_inode *inode,
- struct list_head *stream_list,
- int extract_flags)
+static void
+inode_find_streams_for_extraction(struct wim_inode *inode,
+ struct list_head *stream_list,
+ int extract_flags)
{
struct wim_lookup_table_entry *lte;
bool inode_added = false;
list_add_tail(&inode->i_lte_inode_list, <e->inode_list);
inode_added = true;
}
-#ifdef WITH_NTFS_3G
- if (extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) {
+
+ /* Determine whether to include alternate data stream entries or not.
+ *
+ * UNIX: Include them if extracting using NTFS-3g.
+ *
+ * Windows: Include them undconditionally, although if the filesystem is
+ * not NTFS we won't actually be able to extract them. */
+#if defined(WITH_NTFS_3G)
+ if (extract_flags & WIMLIB_EXTRACT_FLAG_NTFS)
+#elif defined(__WIN32__)
+ if (1)
+#else
+ if (0)
+#endif
+ {
for (unsigned i = 0; i < inode->i_num_ads; i++) {
- if (inode->i_ads_entries[i].stream_name_len != 0) {
+ if (inode->i_ads_entries[i].stream_name_nbytes != 0) {
lte = inode->i_ads_entries[i].lte;
if (lte) {
maybe_add_stream_for_extraction(lte,
}
}
}
-#endif
}
-static void find_streams_for_extraction(struct hlist_head *inode_list,
- struct list_head *stream_list,
- struct wim_lookup_table *lookup_table,
- int extract_flags)
+static void
+find_streams_for_extraction(struct wim_image_metadata *imd,
+ struct list_head *stream_list,
+ struct wim_lookup_table *lookup_table,
+ int extract_flags)
{
struct wim_inode *inode;
- struct hlist_node *cur;
struct wim_dentry *dentry;
for_lookup_table_entry(lookup_table, lte_zero_out_refcnt, NULL);
INIT_LIST_HEAD(stream_list);
- hlist_for_each_entry(inode, cur, inode_list, i_hlist) {
+ image_for_each_inode(inode, imd) {
if (!inode->i_resolved)
inode_resolve_ltes(inode, lookup_table);
inode_for_each_dentry(dentry, inode)
};
#endif
-static int apply_stream_list(struct list_head *stream_list,
- struct apply_args *args,
- const struct apply_operations *ops,
- wimlib_progress_func_t progress_func)
+static int
+apply_stream_list(struct list_head *stream_list,
+ struct apply_args *args,
+ const struct apply_operations *ops,
+ wimlib_progress_func_t progress_func)
{
uint64_t bytes_per_progress = args->progress.extract.total_bytes / 100;
uint64_t next_progress = bytes_per_progress;
* sequential reading of the WIM can be implemented. */
/* For each distinct stream to be extracted */
- list_for_each_entry(lte, stream_list, staging_list) {
+ list_for_each_entry(lte, stream_list, extraction_list) {
/* For each inode that contains the stream */
list_for_each_entry(inode, <e->inode_list, i_lte_inode_list) {
/* For each dentry that points to the inode */
/* Extract the dentry if it was not already
* extracted */
ret = maybe_apply_dentry(dentry, args);
- if (ret != 0)
+ if (ret)
return ret;
if (progress_func &&
args->progress.extract.completed_bytes >= next_progress)
return 0;
}
+static int
+sort_stream_list_by_wim_position(struct list_head *stream_list)
+{
+ struct list_head *cur;
+ size_t num_streams;
+ struct wim_lookup_table_entry **array;
+ size_t i;
+ size_t array_size;
+
+ num_streams = 0;
+ list_for_each(cur, stream_list)
+ num_streams++;
+ array_size = num_streams * sizeof(array[0]);
+ array = MALLOC(array_size);
+ if (!array) {
+ ERROR("Failed to allocate %zu bytes to sort stream entries",
+ array_size);
+ return WIMLIB_ERR_NOMEM;
+ }
+ cur = stream_list->next;
+ for (i = 0; i < num_streams; i++) {
+ array[i] = container_of(cur, struct wim_lookup_table_entry, extraction_list);
+ cur = cur->next;
+ }
+
+ qsort(array, num_streams, sizeof(array[0]), cmp_streams_by_wim_position);
+
+ INIT_LIST_HEAD(stream_list);
+ for (i = 0; i < num_streams; i++)
+ list_add_tail(&array[i]->extraction_list, stream_list);
+ FREE(array);
+ return 0;
+}
+
+
/* Extracts the image @image from the WIM @w to the directory or NTFS volume
* @target. */
-static int extract_single_image(WIMStruct *w, int image,
- const char *target, int extract_flags,
- wimlib_progress_func_t progress_func)
+static int
+extract_single_image(WIMStruct *w, int image,
+ const tchar *target, int extract_flags,
+ wimlib_progress_func_t progress_func)
{
int ret;
struct list_head stream_list;
- struct hlist_head *inode_list;
struct apply_args args;
const struct apply_operations *ops;
- args.w = w;
- args.target = target;
- args.extract_flags = extract_flags;
- args.num_lutimes_warnings = 0;
- args.stream_list = &stream_list;
- args.progress_func = progress_func;
+ memset(&args, 0, sizeof(args));
+
+ args.w = w;
+ args.target = target;
+ args.extract_flags = extract_flags;
+ args.progress_func = progress_func;
if (progress_func) {
args.progress.extract.wimfile_name = w->filename;
if (extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) {
args.vol = ntfs_mount(target, 0);
if (!args.vol) {
- ERROR_WITH_ERRNO("Failed to mount NTFS volume `%s'", target);
+ ERROR_WITH_ERRNO("Failed to mount NTFS volume `%"TS"'",
+ target);
return WIMLIB_ERR_NTFS_3G;
}
ops = &ntfs_apply_operations;
ops = &normal_apply_operations;
ret = select_wim_image(w, image);
- if (ret != 0)
+ if (ret)
goto out;
- inode_list = &w->image_metadata[image - 1].inode_list;
-
/* Build a list of the streams that need to be extracted */
- find_streams_for_extraction(inode_list, &stream_list,
+ find_streams_for_extraction(wim_get_current_image_metadata(w),
+ &stream_list,
w->lookup_table, extract_flags);
/* Calculate the number of bytes of data that will be extracted */
&args.progress);
}
+ ret = calculate_dentry_tree_full_paths(wim_root_dentry(w));
+ if (ret)
+ goto out;
+
/* Make the directory structure and extract empty files */
args.extract_flags |= WIMLIB_EXTRACT_FLAG_NO_STREAMS;
args.apply_dentry = ops->apply_dentry;
ret = for_dentry_in_tree(wim_root_dentry(w), maybe_apply_dentry, &args);
args.extract_flags &= ~WIMLIB_EXTRACT_FLAG_NO_STREAMS;
- if (ret != 0)
+ if (ret)
goto out;
if (progress_func) {
&args.progress);
}
+ if (extract_flags & WIMLIB_EXTRACT_FLAG_RPFIX) {
+ args.target_realpath = realpath(target, NULL);
+ if (!args.target_realpath)
+ return WIMLIB_ERR_NOMEM;
+ args.target_realpath_len = tstrlen(args.target_realpath);
+ }
+
/* Extract non-empty files */
ret = apply_stream_list(&stream_list, &args, ops, progress_func);
- if (ret != 0)
- goto out;
+ if (ret)
+ goto out_free_target_realpath;
if (progress_func) {
progress_func(WIMLIB_PROGRESS_MSG_APPLY_TIMESTAMPS,
/* Apply timestamps */
ret = for_dentry_in_tree_depth(wim_root_dentry(w),
ops->apply_dentry_timestamps, &args);
- if (ret != 0)
- goto out;
+ if (ret)
+ goto out_free_target_realpath;
if (progress_func) {
progress_func(WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_END,
&args.progress);
}
+out_free_target_realpath:
+ FREE(args.target_realpath);
out:
#ifdef WITH_NTFS_3G
/* Unmount the NTFS volume */
if (extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) {
if (ntfs_umount(args.vol, FALSE) != 0) {
- ERROR_WITH_ERRNO("Failed to unmount NTFS volume `%s'", args.target);
+ ERROR_WITH_ERRNO("Failed to unmount NTFS volume `%"TS"'",
+ args.target);
if (ret == 0)
ret = WIMLIB_ERR_NTFS_3G;
}
return ret;
}
+static const tchar * const filename_forbidden_chars =
+T(
+#ifdef __WIN32__
+"<>:\"/\\|?*"
+#else
+"/"
+#endif
+);
+
+/* This function checks if it is okay to use a WIM image's name as a directory
+ * name. */
+static bool
+image_name_ok_as_dir(const tchar *image_name)
+{
+ return image_name && *image_name &&
+ !tstrpbrk(image_name, filename_forbidden_chars);
+}
/* Extracts all images from the WIM to the directory @target, with the images
* placed in subdirectories named by their image names. */
-static int extract_all_images(WIMStruct *w, const char *target,
- int extract_flags,
- wimlib_progress_func_t progress_func)
+static int
+extract_all_images(WIMStruct *w,
+ const tchar *target,
+ int extract_flags,
+ wimlib_progress_func_t progress_func)
{
size_t image_name_max_len = max(xml_get_max_image_name_len(w), 20);
- size_t output_path_len = strlen(target);
- char buf[output_path_len + 1 + image_name_max_len + 1];
+ size_t output_path_len = tstrlen(target);
+ tchar buf[output_path_len + 1 + image_name_max_len + 1];
int ret;
int image;
- const char *image_name;
+ const tchar *image_name;
ret = extract_directory(NULL, target, true);
- if (ret != 0)
+ if (ret)
return ret;
- memcpy(buf, target, output_path_len);
- buf[output_path_len] = '/';
+ tmemcpy(buf, target, output_path_len);
+ buf[output_path_len] = T('/');
for (image = 1; image <= w->hdr.image_count; image++) {
image_name = wimlib_get_image_name(w, image);
- if (image_name && *image_name) {
- strcpy(buf + output_path_len + 1, image_name);
+ if (image_name_ok_as_dir(image_name)) {
+ tstrcpy(buf + output_path_len + 1, image_name);
} else {
- /* Image name is empty. Use image number instead */
- sprintf(buf + output_path_len + 1, "%d", image);
+ /* Image name is empty, or contains forbidden
+ * characters. */
+ tsprintf(buf + output_path_len + 1, T("%d"), image);
}
ret = extract_single_image(w, image, buf, extract_flags,
progress_func);
/* Extracts a single image or all images from a WIM file to a directory or NTFS
* volume. */
-WIMLIBAPI int wimlib_extract_image(WIMStruct *w,
- int image,
- const char *target,
- int extract_flags,
- WIMStruct **additional_swms,
- unsigned num_additional_swms,
- wimlib_progress_func_t progress_func)
+WIMLIBAPI int
+wimlib_extract_image(WIMStruct *w,
+ int image,
+ const tchar *target,
+ int extract_flags,
+ WIMStruct **additional_swms,
+ unsigned num_additional_swms,
+ wimlib_progress_func_t progress_func)
{
struct wim_lookup_table *joined_tab, *w_tab_save;
int ret;
#endif
}
+ if ((extract_flags & (WIMLIB_EXTRACT_FLAG_RPFIX |
+ WIMLIB_EXTRACT_FLAG_RPFIX)) ==
+ (WIMLIB_EXTRACT_FLAG_RPFIX | WIMLIB_EXTRACT_FLAG_NORPFIX))
+ {
+ ERROR("Cannot specify RPFIX and NORPFIX flags at the same time!");
+ return WIMLIB_ERR_INVALID_PARAM;
+ }
+
+ if ((extract_flags & (WIMLIB_EXTRACT_FLAG_RPFIX |
+ WIMLIB_EXTRACT_FLAG_NORPFIX)) == 0)
+ if (w->hdr.flags & WIM_HDR_FLAG_RP_FIX)
+ extract_flags |= WIMLIB_EXTRACT_FLAG_RPFIX;
+
ret = verify_swm_set(w, additional_swms, num_additional_swms);
- if (ret != 0)
+ if (ret)
+ return ret;
+
+ ret = wim_checksum_unhashed_streams(w);
+ if (ret)
return ret;
if (num_additional_swms) {
ret = new_joined_lookup_table(w, additional_swms,
num_additional_swms, &joined_tab);
- if (ret != 0)
+ if (ret)
return ret;
w_tab_save = w->lookup_table;
w->lookup_table = joined_tab;
}
-#ifdef __WIN32__
- win32_acquire_restore_privileges();
-#endif
if (image == WIMLIB_ALL_IMAGES) {
extract_flags |= WIMLIB_EXTRACT_FLAG_MULTI_IMAGE;
ret = extract_all_images(w, target, extract_flags,
ret = extract_single_image(w, image, target, extract_flags,
progress_func);
}
-#ifdef __WIN32__
- win32_release_restore_privileges();
-#endif
if (extract_flags & (WIMLIB_EXTRACT_FLAG_SYMLINK |
WIMLIB_EXTRACT_FLAG_HARDLINK))
git://wimlib.net / wimlib / blobdiff