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common: remove unused recursive file enumeration (#681)

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common: don't follow reparse points in the Windows recursive file walk

SysFileFindFiles recurses into every entry carrying
FILE_ATTRIBUTE_DIRECTORY, which on Windows includes directory symlinks
and junctions. A junction pointing at one of its own ancestors makes the
walk recurse until the stack runs out.

The Linux implementation already guards against this: it uses lstat
rather than stat specifically so a symlink is never followed into a
cycle. Skip reparse-point entries on Windows for the same reason.

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
Maayan080
2026-09-20 17:50:57 +03:00
committed by GitHub
parent b8ad1d8c4b
commit c3cc8454b9
6 changed files with 0 additions and 157 deletions
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src/common/file.cpp
-39
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@@ -445,45 +445,6 @@ bool File::SetLastAccessAndWriteTimeUTC(const std::filesystem::path& name, const
return SysFileSetLastAccessAndWriteTimeUtc(name, af, wf);
}
std::vector<File::FindInfo> File::FindFiles(const std::filesystem::path& path) {
std::vector<sys_file_find_t> files;
SysFileFindFiles(path, files);
const auto normalized_path = path.lexically_normal();
std::vector<File::FindInfo> ret;
ret.reserve(files.size());
for (const auto& f: files) {
File::FindInfo r {};
r.path_with_name = f.path_with_name;
r.rel_path_with_name = f.path_with_name.lexically_normal().lexically_relative(normalized_path);
r.size = f.size;
SysTimeStruct at {};
SysTimeStruct wt {};
SysFileToSystemTimeUtc(f.last_access_time, at);
SysFileToSystemTimeUtc(f.last_write_time, wt);
if (!at.is_invalid && !wt.is_invalid) {
r.last_access_time = DateTime(Date(at.Year, at.Month, at.Day),
Time(at.Hour, at.Minute, at.Second, at.Milliseconds));
r.last_write_time = DateTime(Date(wt.Year, wt.Month, wt.Day),
Time(wt.Hour, wt.Minute, wt.Second, wt.Milliseconds));
}
// printf("%s, %s, %" PRIu64", %s, %s\n", r.path_with_name.c_str(),
// r.rel_path_with_name.c_str(), r.size, r.last_access_time.ToString().c_str(),
// r.last_write_time.ToString().c_str());
ret.push_back(std::move(r));
}
return ret;
}
std::vector<File::DirEntry> File::GetDirEntries(const std::filesystem::path& path) {
std::vector<sys_dir_entry_t> files;