* 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) {
}
/* Set file attributes (if supported). */
- ret = extract_file_attributes(path, ctx, dentry);
+ ret = extract_file_attributes(path, ctx, dentry, 0);
if (ret)
return ret;
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. */
git://wimlib.net / wimlib / blobdiff