1 files changed, 101 insertions, 0 deletions
diff --git a/dev/Kernel/KernelKit/User.hxx b/dev/Kernel/KernelKit/User.hxx
new file mode 100644
index 00000000..56014c9b
--- /dev/null
+++ b/dev/Kernel/KernelKit/User.hxx
@@ -0,0 +1,101 @@
+/* -------------------------------------------
+
+ Copyright ZKA Technologies.
+
+------------------------------------------- */
+
+#ifndef _INC_PERMISSION_SEL_HXX_
+#define _INC_PERMISSION_SEL_HXX_
+
+#include <CompilerKit/CompilerKit.hxx>
+#include <KernelKit/LPC.hxx>
+#include <NewKit/String.hxx>
+#include <NewKit/Defines.hxx>
+
+// user mode users.
+#define kSuperUser "\\Local\\Super"
+#define kGuestUser "\\Local\\Guest"
+
+#define kUsersFile "\\Users\\$MANIFEST"
+
+#define kMaxUserNameLen	 (255)
+#define kMaxUserTokenLen (4096)
+
+// hash 'password' -> base64+md5 encoded data
+// use this data to then fetch specific data of the user..
+
+namespace Kernel
+{
+	class UserManager;
+	class User;
+
+	enum class RingKind
+	{
+		kRingStdUser   = 1,
+		kRingSuperUser = 2,
+		kRingGuestUser = 5,
+		kRingCount	   = 5,
+	};
+
+	class User final
+	{
+	public:
+		explicit User() = delete;
+
+		User(const Int32& sel, const Char* userName);
+		User(const RingKind& kind, const Char* userName);
+
+		~User();
+
+	public:
+		NEWOS_COPY_DEFAULT(User)
+
+	public:
+		bool operator==(const User& lhs);
+		bool operator!=(const User& lhs);
+
+	public:
+		/// @brief Get software ring
+		const RingKind& Ring() noexcept;
+
+		/// @brief Get user name
+		StringView& Name() noexcept;
+
+		/// @brief Is he a standard user?
+		Bool IsStdUser() noexcept;
+
+		/// @brief Is she a super user?
+		Bool IsSuperUser() noexcept;
+
+		Bool TrySave(const Char* password) noexcept;
+
+	private:
+		RingKind   fRing{RingKind::kRingStdUser};
+		StringView fUserName;
+		VoidPtr	   fUserToken{nullptr};
+
+		friend UserManager;
+	};
+
+	class UserManager final
+	{
+		UserManager()  = default;
+		~UserManager() = default;
+
+		User* fCurrentUser		 = nullptr;
+		User* fLastLoggedOffUser = nullptr;
+
+	public:
+		User* fRootUser = nullptr;
+
+	public:
+		NEWOS_COPY_DELETE(UserManager);
+
+		STATIC UserManager* The() noexcept;
+		Bool				TryLogIn(User* user, const Char* password) noexcept;
+		User*				GetCurrent() noexcept;
+		Void				TryLogOff() noexcept;
+	};
+} // namespace Kernel
+
+#endif /* ifndef _INC_PERMISSION_SEL_HXX_ */