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Kernel: Strongly typed user & group ID's
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
parent
59335bd8ea
commit
ae197deb6b
44 changed files with 172 additions and 169 deletions
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@ -93,13 +93,13 @@ class Process final
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ProcessID pid { 0 };
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ProcessID ppid { 0 };
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SessionID sid { 0 };
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uid_t euid { 0 };
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gid_t egid { 0 };
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uid_t uid { 0 };
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gid_t gid { 0 };
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uid_t suid { 0 };
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gid_t sgid { 0 };
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Vector<gid_t> extra_gids;
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UserID euid { 0 };
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GroupID egid { 0 };
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UserID uid { 0 };
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GroupID gid { 0 };
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UserID suid { 0 };
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GroupID sgid { 0 };
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Vector<GroupID> extra_gids;
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bool dumpable { false };
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Atomic<bool> has_promises { false };
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Atomic<u32> promises { 0 };
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@ -179,7 +179,7 @@ public:
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}
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static RefPtr<Process> create_kernel_process(RefPtr<Thread>& first_thread, String&& name, void (*entry)(void*), void* entry_data = nullptr, u32 affinity = THREAD_AFFINITY_DEFAULT, RegisterProcess do_register = RegisterProcess::Yes);
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static RefPtr<Process> create_user_process(RefPtr<Thread>& first_thread, const String& path, uid_t, gid_t, ProcessID ppid, int& error, Vector<String>&& arguments = Vector<String>(), Vector<String>&& environment = Vector<String>(), TTY* = nullptr);
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static RefPtr<Process> create_user_process(RefPtr<Thread>& first_thread, const String& path, UserID, GroupID, ProcessID ppid, int& error, Vector<String>&& arguments = Vector<String>(), Vector<String>&& environment = Vector<String>(), TTY* = nullptr);
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static void register_new(Process&);
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bool unref() const;
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@ -213,13 +213,13 @@ public:
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bool is_session_leader() const { return sid().value() == pid().value(); }
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ProcessGroupID pgid() const { return m_pg ? m_pg->pgid() : 0; }
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bool is_group_leader() const { return pgid().value() == pid().value(); }
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const Vector<gid_t>& extra_gids() const { return m_protected_values.extra_gids; }
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uid_t euid() const { return m_protected_values.euid; }
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gid_t egid() const { return m_protected_values.egid; }
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uid_t uid() const { return m_protected_values.uid; }
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gid_t gid() const { return m_protected_values.gid; }
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uid_t suid() const { return m_protected_values.suid; }
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gid_t sgid() const { return m_protected_values.sgid; }
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Vector<GroupID> const& extra_gids() const { return m_protected_values.extra_gids; }
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UserID euid() const { return m_protected_values.euid; }
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GroupID egid() const { return m_protected_values.egid; }
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UserID uid() const { return m_protected_values.uid; }
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GroupID gid() const { return m_protected_values.gid; }
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UserID suid() const { return m_protected_values.suid; }
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GroupID sgid() const { return m_protected_values.sgid; }
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ProcessID ppid() const { return m_protected_values.ppid; }
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bool is_dumpable() const { return m_protected_values.dumpable; }
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@ -227,7 +227,7 @@ public:
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mode_t umask() const { return m_protected_values.umask; }
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bool in_group(gid_t) const;
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bool in_group(GroupID) const;
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// Breakable iteration functions
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template<IteratorFunction<Process&> Callback>
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@ -288,8 +288,8 @@ public:
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KResultOr<FlatPtr> sys$getegid();
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KResultOr<FlatPtr> sys$getpid();
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KResultOr<FlatPtr> sys$getppid();
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KResultOr<FlatPtr> sys$getresuid(Userspace<uid_t*>, Userspace<uid_t*>, Userspace<uid_t*>);
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KResultOr<FlatPtr> sys$getresgid(Userspace<gid_t*>, Userspace<gid_t*>, Userspace<gid_t*>);
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KResultOr<FlatPtr> sys$getresuid(Userspace<UserID*>, Userspace<UserID*>, Userspace<UserID*>);
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KResultOr<FlatPtr> sys$getresgid(Userspace<GroupID*>, Userspace<GroupID*>, Userspace<GroupID*>);
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KResultOr<FlatPtr> sys$umask(mode_t);
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KResultOr<FlatPtr> sys$open(Userspace<const Syscall::SC_open_params*>);
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KResultOr<FlatPtr> sys$close(int fd);
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@ -339,13 +339,13 @@ public:
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KResultOr<FlatPtr> sys$setgroups(size_t, Userspace<const gid_t*>);
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KResultOr<FlatPtr> sys$pipe(int pipefd[2], int flags);
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KResultOr<FlatPtr> sys$killpg(pid_t pgrp, int sig);
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KResultOr<FlatPtr> sys$seteuid(uid_t);
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KResultOr<FlatPtr> sys$setegid(gid_t);
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KResultOr<FlatPtr> sys$setuid(uid_t);
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KResultOr<FlatPtr> sys$setgid(gid_t);
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KResultOr<FlatPtr> sys$setreuid(uid_t, uid_t);
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KResultOr<FlatPtr> sys$setresuid(uid_t, uid_t, uid_t);
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KResultOr<FlatPtr> sys$setresgid(gid_t, gid_t, gid_t);
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KResultOr<FlatPtr> sys$seteuid(UserID);
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KResultOr<FlatPtr> sys$setegid(GroupID);
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KResultOr<FlatPtr> sys$setuid(UserID);
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KResultOr<FlatPtr> sys$setgid(GroupID);
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KResultOr<FlatPtr> sys$setreuid(UserID, UserID);
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KResultOr<FlatPtr> sys$setresuid(UserID, UserID, UserID);
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KResultOr<FlatPtr> sys$setresgid(GroupID, GroupID, GroupID);
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KResultOr<FlatPtr> sys$alarm(unsigned seconds);
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KResultOr<FlatPtr> sys$access(Userspace<const char*> pathname, size_t path_length, int mode);
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KResultOr<FlatPtr> sys$fcntl(int fd, int cmd, u32 extra_arg);
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@ -362,7 +362,7 @@ public:
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KResultOr<FlatPtr> sys$chmod(Userspace<const char*> pathname, size_t path_length, mode_t);
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KResultOr<FlatPtr> sys$fchmod(int fd, mode_t);
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KResultOr<FlatPtr> sys$chown(Userspace<const Syscall::SC_chown_params*>);
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KResultOr<FlatPtr> sys$fchown(int fd, uid_t, gid_t);
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KResultOr<FlatPtr> sys$fchown(int fd, UserID, GroupID);
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KResultOr<FlatPtr> sys$socket(int domain, int type, int protocol);
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KResultOr<FlatPtr> sys$bind(int sockfd, Userspace<const sockaddr*> addr, socklen_t);
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KResultOr<FlatPtr> sys$listen(int sockfd, int backlog);
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@ -518,8 +518,8 @@ private:
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bool add_thread(Thread&);
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bool remove_thread(Thread&);
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Process(const String& name, uid_t uid, gid_t gid, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd, RefPtr<Custody> executable, TTY* tty);
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static RefPtr<Process> create(RefPtr<Thread>& first_thread, const String& name, uid_t, gid_t, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd = nullptr, RefPtr<Custody> executable = nullptr, TTY* = nullptr, Process* fork_parent = nullptr);
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Process(const String& name, UserID, GroupID, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd, RefPtr<Custody> executable, TTY* tty);
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static RefPtr<Process> create(RefPtr<Thread>& first_thread, const String& name, UserID, GroupID, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd = nullptr, RefPtr<Custody> executable = nullptr, TTY* = nullptr, Process* fork_parent = nullptr);
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KResult attach_resources(NonnullOwnPtr<Memory::AddressSpace>&&, RefPtr<Thread>& first_thread, Process* fork_parent);
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static ProcessID allocate_pid();
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@ -726,9 +726,8 @@ public:
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virtual KResult traverse_as_directory(unsigned, Function<bool(FileSystem::DirectoryEntryView const&)>) const override;
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virtual mode_t required_mode() const override { return 0555; }
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virtual uid_t owner_user() const override;
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virtual gid_t owner_group() const override;
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virtual UserID owner_user() const override;
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virtual GroupID owner_group() const override;
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private:
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ProcessProcFSTraits(WeakPtr<Process> process)
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