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Kernel: Strongly typed user & group ID's

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Prior to this change, both uid_t and gid_t were typedef'ed to `u32`.
This made it easy to use them interchangeably. Let's not allow that.

This patch adds UserID and GroupID using the AK::DistinctNumeric
mechanism we've already been employing for pid_t/ProcessID.
This commit is contained in:
Andreas Kling 2021-08-28 22:11:16 +02:00
parent 59335bd8ea
commit ae197deb6b
44 changed files with 172 additions and 169 deletions
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4
Kernel/FileSystem/Inode.h
View file

@ -55,11 +55,11 @@ public:
virtual KResult traverse_as_directory(Function<bool(FileSystem::DirectoryEntryView const&)>) const = 0;
virtual KResultOr<NonnullRefPtr<Inode>> lookup(StringView name) = 0;
virtual KResultOr<size_t> write_bytes(off_t, size_t, const UserOrKernelBuffer& data, FileDescription*) = 0;
virtual KResultOr<NonnullRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, uid_t, gid_t) = 0;
virtual KResultOr<NonnullRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) = 0;
virtual KResult add_child(Inode&, const StringView& name, mode_t) = 0;
virtual KResult remove_child(const StringView& name) = 0;
virtual KResult chmod(mode_t) = 0;
virtual KResult chown(uid_t, gid_t) = 0;
virtual KResult chown(UserID, GroupID) = 0;
virtual KResult truncate(u64) { return KSuccess; }
virtual KResultOr<NonnullRefPtr<Custody>> resolve_as_link(Custody& base, RefPtr<Custody>* out_parent, int options, int symlink_recursion_level) const;