From 83a3ac27ddd9a02ad698407515b0e708197b2aac Mon Sep 17 00:00:00 2001
From: Amlal EL Mahrouss <amlalelmahrouss@icloud.com>
Date: Mon, 29 Jul 2024 08:28:15 +0200
Subject: [MHR-36] Last commit on ticket.

Signed-off-by: Amlal EL Mahrouss <amlalelmahrouss@icloud.com>
---
 Kernel/Sources/CxxAbi-AMD64.cxx     |  2 +-
 Kernel/Sources/CxxAbi-ARM64.cxx     |  2 +-
 Kernel/Sources/FS/NewFS.cxx         |  2 +-
 Kernel/Sources/HError.cxx           |  2 +-
 Kernel/Sources/Heap.cxx             |  2 +-
 Kernel/Sources/Main.cxx             |  2 +-
 Kernel/Sources/Network/IPCEP.cxx    |  2 +-
 Kernel/Sources/ProcessScheduler.cxx |  2 +-
 Kernel/Sources/User.cxx             | 69 +++++++++++++++++++++++++++++++++++++
 9 files changed, 77 insertions(+), 8 deletions(-)

(limited to 'Kernel/Sources')

diff --git a/Kernel/Sources/CxxAbi-AMD64.cxx b/Kernel/Sources/CxxAbi-AMD64.cxx
index e1f61aaf..43b8c725 100644
--- a/Kernel/Sources/CxxAbi-AMD64.cxx
+++ b/Kernel/Sources/CxxAbi-AMD64.cxx
@@ -8,7 +8,7 @@
 
 #include <KernelKit/DebugOutput.hpp>
 #include <NewKit/CxxAbi.hpp>
-#include <KernelKit/HError.hpp>
+#include <KernelKit/LPC.hxx>
 
 atexit_func_entry_t __atexit_funcs[kDSOMaxObjects];
 
diff --git a/Kernel/Sources/CxxAbi-ARM64.cxx b/Kernel/Sources/CxxAbi-ARM64.cxx
index 46524374..d5be9e5e 100644
--- a/Kernel/Sources/CxxAbi-ARM64.cxx
+++ b/Kernel/Sources/CxxAbi-ARM64.cxx
@@ -8,7 +8,7 @@
 
 #include <KernelKit/DebugOutput.hpp>
 #include <NewKit/CxxAbi.hpp>
-#include <KernelKit/HError.hpp>
+#include <KernelKit/LPC.hxx>
 
 EXTERN_C
 {
diff --git a/Kernel/Sources/FS/NewFS.cxx b/Kernel/Sources/FS/NewFS.cxx
index 38a417cb..a8790109 100644
--- a/Kernel/Sources/FS/NewFS.cxx
+++ b/Kernel/Sources/FS/NewFS.cxx
@@ -10,7 +10,7 @@
 #include <Modules/ATA/ATA.hxx>
 #include <Modules/Flash/Flash.hxx>
 #include <FSKit/NewFS.hxx>
-#include <KernelKit/HError.hpp>
+#include <KernelKit/LPC.hxx>
 #include <NewKit/Crc32.hpp>
 #include <NewKit/KernelCheck.hpp>
 #include <NewKit/String.hpp>
diff --git a/Kernel/Sources/HError.cxx b/Kernel/Sources/HError.cxx
index f10c3a15..7c093865 100644
--- a/Kernel/Sources/HError.cxx
+++ b/Kernel/Sources/HError.cxx
@@ -4,7 +4,7 @@
 
 ------------------------------------------- */
 
-#include <KernelKit/HError.hpp>
+#include <KernelKit/LPC.hxx>
 #include <NewKit/KernelCheck.hpp>
 
 namespace Kernel
diff --git a/Kernel/Sources/Heap.cxx b/Kernel/Sources/Heap.cxx
index 6ac91448..b2acaffe 100644
--- a/Kernel/Sources/Heap.cxx
+++ b/Kernel/Sources/Heap.cxx
@@ -5,7 +5,7 @@
 ------------------------------------------- */
 
 #include <KernelKit/DebugOutput.hpp>
-#include <KernelKit/HError.hpp>
+#include <KernelKit/LPC.hxx>
 #include <KernelKit/Heap.hxx>
 #include <NewKit/Crc32.hpp>
 #include <NewKit/PageManager.hpp>
diff --git a/Kernel/Sources/Main.cxx b/Kernel/Sources/Main.cxx
index 0f835adc..fb9b522b 100644
--- a/Kernel/Sources/Main.cxx
+++ b/Kernel/Sources/Main.cxx
@@ -192,7 +192,7 @@ namespace Kernel::Detail
 		Kernel::UserView::The()->fRootUser = new User(RingKind::kRingSuperUser, kSuperUser);
 		Kernel::kcout << "newoskrnl: logged in as: " << Kernel::UserView::The()->fRootUser->Name().CData() << Kernel::endl;
 
-		Kernel::UserView::The()->LogIn(Kernel::UserView::The()->fRootUser);
+		Kernel::UserView::The()->LogIn(Kernel::UserView::The()->fRootUser, "");
 
 		Kernel::kcout << "newoskrnl: " << cKernelVersion.GetKey().CData() << ": " << Kernel::number(cKernelVersion.GetValue()) << Kernel::endl;
 	}
diff --git a/Kernel/Sources/Network/IPCEP.cxx b/Kernel/Sources/Network/IPCEP.cxx
index 54d94b18..5271be05 100644
--- a/Kernel/Sources/Network/IPCEP.cxx
+++ b/Kernel/Sources/Network/IPCEP.cxx
@@ -5,7 +5,7 @@
 ------------------------------------------- */
 
 #include <NetworkKit/IPCEP.hxx>
-#include <KernelKit/HError.hpp>
+#include <KernelKit/LPC.hxx>
 #include <KernelKit/ProcessScheduler.hxx>
 
 using namespace Kernel;
diff --git a/Kernel/Sources/ProcessScheduler.cxx b/Kernel/Sources/ProcessScheduler.cxx
index bfa6fddf..b5be1dd2 100644
--- a/Kernel/Sources/ProcessScheduler.cxx
+++ b/Kernel/Sources/ProcessScheduler.cxx
@@ -13,7 +13,7 @@
 #include <KernelKit/SMPManager.hpp>
 #include <KernelKit/Heap.hxx>
 #include <NewKit/String.hpp>
-#include <KernelKit/HError.hpp>
+#include <KernelKit/LPC.hxx>
 
 ///! BUGS: 0
 
diff --git a/Kernel/Sources/User.cxx b/Kernel/Sources/User.cxx
index 68d0d5be..a86f9ac3 100644
--- a/Kernel/Sources/User.cxx
+++ b/Kernel/Sources/User.cxx
@@ -12,6 +12,8 @@
 
 #include <KernelKit/User.hxx>
 #include <NewKit/KernelCheck.hpp>
+#include <KernelKit/FileManager.hpp>
+#include <KernelKit/ProcessScheduler.hxx>
 
 /// bugs 0
 
@@ -61,4 +63,71 @@ namespace Kernel
 	{
 		return this->Ring() == RingKind::kRingSuperUser;
 	}
+
+	UserView* UserView::The() noexcept
+	{
+		UserView* view = nullptr;
+
+		if (!view)
+			view = new UserView();
+
+		return view;
+	}
+
+	Void UserView::LogIn(User* user, const Char* password) noexcept
+	{
+		if (!password ||
+			!user)
+		{
+			ErrLocal() = kErrorInvalidData;
+
+			return;
+		}
+
+		FileStreamUTF8 file(kUsersFile, "rb");
+
+		auto token = file.Read(password);
+
+		if (!token)
+		{
+			ErrLocal() = kErrorInvalidCreds;
+
+			kcout << "newoskrnl: Incorrect credentials.\r";
+			return;
+		}
+
+		user->fUserToken = token;
+
+		if (fCurrentUser)
+		{
+			if (!fLastLoggedOffUser)
+			{
+				fLastLoggedOffUser = fCurrentUser;
+			}
+			else
+			{
+				this->LogOff();
+			}
+		}
+
+		fCurrentUser = user;
+	}
+
+	Void UserView::LogOff() noexcept
+	{
+		if (!fCurrentUser)
+			return;
+
+		// an illegal operation just occured, we can't risk more.
+		if (fCurrentUser == fRootUser)
+		{
+			ke_stop(RUNTIME_CHECK_BOOTSTRAP);
+		}
+
+		if (fLastLoggedOffUser)
+			delete fLastLoggedOffUser;
+
+		fLastLoggedOffUser = nullptr;
+		fLastLoggedOffUser = fCurrentUser;
+	}
 } // namespace Kernel
-- 
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