mirror of
https://github.com/RGBCube/serenity
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c1af2f28e3
Since we already have the directory open, let's have an API to fchown() the underlying file descriptor instead of forcing clients to do another path lookup.
73 lines
2 KiB
C++
73 lines
2 KiB
C++
/*
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* Copyright (c) 2022, kleines Filmröllchen <filmroellchen@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Error.h>
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#include <AK/Format.h>
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#include <AK/LexicalPath.h>
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#include <AK/Noncopyable.h>
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#include <AK/Optional.h>
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#include <LibCore/Stream.h>
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#include <dirent.h>
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#include <sys/stat.h>
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namespace Core {
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class DirIterator;
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// Deal with real system directories. Any Directory instance always refers to a valid existing directory.
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class Directory {
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AK_MAKE_NONCOPYABLE(Directory);
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public:
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Directory(Directory&&);
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~Directory();
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// When this flag is set, both the directory attempted to instantiate as well as all of its parents are created with mode 0755 if necessary.
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enum class CreateDirectories : bool {
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No,
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Yes,
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};
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static ErrorOr<Directory> create(LexicalPath path, CreateDirectories, mode_t creation_mode = 0755);
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static ErrorOr<Directory> create(String path, CreateDirectories, mode_t creation_mode = 0755);
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static ErrorOr<Directory> adopt_fd(int fd, Optional<LexicalPath> path = {});
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ErrorOr<NonnullOwnPtr<Stream::File>> open(StringView filename, Stream::OpenMode mode) const;
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ErrorOr<struct stat> stat() const;
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ErrorOr<DirIterator> create_iterator() const;
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ErrorOr<LexicalPath> path() const;
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ErrorOr<void> chown(uid_t, gid_t);
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static ErrorOr<bool> is_valid_directory(int fd);
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private:
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Directory(int directory_fd, Optional<LexicalPath> path);
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static ErrorOr<void> ensure_directory(LexicalPath const& path, mode_t creation_mode = 0755);
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Optional<LexicalPath> m_path;
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int m_directory_fd;
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};
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}
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namespace AK {
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template<>
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struct Formatter<Core::Directory> : Formatter<StringView> {
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ErrorOr<void> format(FormatBuilder& builder, Core::Directory const& directory)
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{
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auto path = directory.path();
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if (path.is_error())
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TRY(builder.put_string("<unknown>"sv));
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TRY(builder.put_string(path.release_value().string()));
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return {};
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}
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};
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}
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