38 namespace fs = std::filesystem;
48 static constexpr const fs::perms kFordbiddenFilePermissions =
49     fs::perms::owner_exec | fs::perms::group_exec | fs::perms::others_exec;
93 Status IsRegularFile(const fs::directory_entry& entry) {  in IsRegularFile()
94   const fs::path& path = entry.path();  in IsRegularFile()
96   fs::file_status status = entry.status(ec);  in IsRegularFile()
101   if (!fs::is_regular_file(status)) {  in IsRegularFile()
104   if ((status.permissions() & kFordbiddenFilePermissions) != fs::perms::none) {  in IsRegularFile()
111 Status IsHashTxt(const fs::directory_entry& entry) {  in IsHashTxt()
123 Status IsWhitelistedTopLevelEntry(const fs::directory_entry& entry) {  in IsWhitelistedTopLevelEntry()
126   const fs::path& path = entry.path();  in IsWhitelistedTopLevelEntry()
128     bool is_empty = fs::is_empty(path, ec);  in IsWhitelistedTopLevelEntry()
139     auto iter = fs::directory_iterator(path, ec);  in IsWhitelistedTopLevelEntry()
144     bool is_empty = fs::is_empty(path, ec);  in IsWhitelistedTopLevelEntry()
154     while (iter != fs::end(iter)) {  in IsWhitelistedTopLevelEntry()
189   auto iter = fs::directory_iterator(mount_point, ec);  in ValidateShimApex()
197   while (iter != fs::end(iter)) {  in ValidateShimApex()