4 files changed, 64 insertions, 18 deletions

diff --git a/Kernel/Sources/FS/NewFS.cxx b/Kernel/Sources/FS/NewFS.cxx
index 4e212164..33857590 100644
--- a/Kernel/Sources/FS/NewFS.cxx
+++ b/Kernel/Sources/FS/NewFS.cxx
@@ -16,6 +16,7 @@
 #include <NewKit/String.hpp>
 #include <NewKit/Utils.hpp>
 #include <FirmwareKit/EPM.hxx>
+#include <KernelKit/ProcessScheduler.hxx>
 
 using namespace NewOS;
 
@@ -167,12 +168,12 @@ _Output NewFork* NewFSParser::FindFork(_Input NewCatalog* catalog,
 			switch (res)
 			{
 			case 1:
-				DbgLastError() = kErrorDiskReadOnly;
+				ErrLocal() = kErrorDiskReadOnly;
 				break;
 			case 2:
-				DbgLastError() = kErrorDiskIsFull;
+				ErrLocal() = kErrorDiskIsFull;
 				break;
-				DbgLastError() = kErrorNoSuchDisk;
+				ErrLocal() = kErrorNoSuchDisk;
 				break;
 
 			default:
@@ -241,7 +242,7 @@ _Output NewCatalog* NewFSParser::CreateCatalog(_Input const char* name,
 
 	if (*parentName == 0)
 	{
-		DbgLastError() = kErrorFileNotFound;
+		ErrLocal() = kErrorFileNotFound;
 		return nullptr;
 	}
 
@@ -414,7 +415,7 @@ _Output NewCatalog* NewFSParser::CreateCatalog(_Input const char* name,
 
 /// @brief Make a EPM+NewFS drive out of the disk.
 /// @param drive The drive to write on.
-/// @return If it was sucessful, see DbgLastError().
+/// @return If it was sucessful, see ErrLocal().
 bool NewFSParser::Format(_Input _Output DriveTrait* drive)
 {
 	/// verify disk.
@@ -426,7 +427,7 @@ bool NewFSParser::Format(_Input _Output DriveTrait* drive)
 	/// if disk isn't good, then error out.
 	if (false == drive->fPacket.fPacketGood)
 	{
-		DbgLastError() = kErrorDiskIsCorrupted;
+		ErrLocal() = kErrorDiskIsCorrupted;
 		return false;
 	}
 
@@ -565,7 +566,7 @@ bool NewFSParser::WriteCatalog(_Input _Output NewCatalog* catalog, voidPtr data,
 		/// sanity check the fork.
 		if (forkData->DataOffset <= kNewFSCatalogStartAddress)
 		{
-			DbgLastError() = kErrorDiskIsCorrupted;
+			ErrLocal() = kErrorDiskIsCorrupted;
 
 			kcout << "newoskrnl: Invalid fork offset.\r";
 
@@ -771,7 +772,7 @@ Boolean NewFSParser::RemoveCatalog(_Input const Char* catalogName)
 	if (!catalogName ||
 		StringBuilder::Equals(catalogName, NewFilesystemHelper::Root()))
 	{
-		DbgLastError() = kErrorInternal;
+		ErrLocal() = kErrorInternal;
 		return false;
 	}
 
@@ -835,7 +836,7 @@ VoidPtr NewFSParser::ReadCatalog(_Input _Output NewCatalog* catalog,
 {
 	if (!catalog)
 	{
-		DbgLastError() = kErrorFileNotFound;
+		ErrLocal() = kErrorFileNotFound;
 		return nullptr;
 	}
 
@@ -913,11 +914,11 @@ bool NewFSParser::Seek(_Input _Output NewCatalog* catalog, SizeT off)
 {
 	if (!catalog)
 	{
-		DbgLastError() = kErrorFileNotFound;
+		ErrLocal() = kErrorFileNotFound;
 		return false;
 	}
 
-	DbgLastError() = kErrorUnimplemented;
+	ErrLocal() = kErrorUnimplemented;
 	return false;
 }
 
@@ -931,11 +932,11 @@ SizeT NewFSParser::Tell(_Input _Output NewCatalog* catalog)
 {
 	if (!catalog)
 	{
-		DbgLastError() = kErrorFileNotFound;
+		ErrLocal() = kErrorFileNotFound;
 		return 0;
 	}
 
-	DbgLastError() = kErrorUnimplemented;
+	ErrLocal() = kErrorUnimplemented;
 	return 0;
 }
 
diff --git a/Kernel/Sources/Network/IPCEP.cxx b/Kernel/Sources/Network/IPCEP.cxx
index e3a40fb9..0cd9d778 100644
--- a/Kernel/Sources/Network/IPCEP.cxx
+++ b/Kernel/Sources/Network/IPCEP.cxx
@@ -5,3 +5,39 @@
 ------------------------------------------- */
 
 #include <NetworkKit/IPCEP.hxx>
+
+using namespace NewOS;
+
+Bool ipc_sanitize_packet(IPCEPMessageHeader* pckt)
+{
+	if (!pckt) return false;
+
+	auto endian = DEDUCE_ENDIAN(pckt, ((char*)pckt)[0]);
+
+	switch (endian)
+	{
+	case Endian::kEndianBig:
+	{
+		if (pckt->IpcEndianess == eIPCEPLittleEndian)
+			return false;
+
+		break;
+	}
+	case Endian::kEndianLittle:
+	{
+		if (pckt->IpcEndianess == eIPCEPBigEndian)
+			return false;
+
+		break;
+	}
+	case Endian::kEndianMixed:
+		break;
+	default:
+		return false;
+	}
+
+	if (pckt->IpcFrom == pckt->IpcTo) return false;
+	if (pckt->IpcPacketSize > cIPCEPMsgSize) return false;
+
+	return pckt->IpcPacketSize > 1 && pckt->IpcHeaderMagic == cRemoteHeaderMagic;
+}
diff --git a/Kernel/Sources/ProcessScheduler.cxx b/Kernel/Sources/ProcessScheduler.cxx
index ca9a3435..ddeff7f2 100644
--- a/Kernel/Sources/ProcessScheduler.cxx
+++ b/Kernel/Sources/ProcessScheduler.cxx
@@ -55,6 +55,8 @@ namespace NewOS
 		this->Exit(kErrorProcessFault);
 	}
 
+	Int32& ProcessHeader::GetLocalCode() noexcept { return fLocalCode; }
+
 	void ProcessHeader::Wake(const bool should_wakeup)
 	{
 		this->Status =
@@ -69,7 +71,7 @@ namespace NewOS
 		{
 			if (this->FreeMemory < 1)
 			{
-				DbgLastError() = kErrorHeapOutOfMemory;
+				ErrLocal() = kErrorHeapOutOfMemory;
 
 				/* we're going out of memory */
 				this->Crash();
@@ -134,19 +136,19 @@ namespace NewOS
 	}
 
 	/// @brief process name getter.
-	const Char* ProcessHeader::GetName()
+	const Char* ProcessHeader::GetName() noexcept
 	{
 		return this->Name;
 	}
 
 	/// @brief process selector getter.
-	const ProcessSelector& ProcessHeader::GetSelector()
+	const ProcessSelector& ProcessHeader::GetSelector() noexcept
 	{
 		return this->Selector;
 	}
 
 	/// @brief process status getter.
-	const ProcessStatus& ProcessHeader::GetStatus()
+	const ProcessStatus& ProcessHeader::GetStatus() noexcept
 	{
 		return this->Status;
 	}
@@ -156,7 +158,7 @@ namespace NewOS
 	/**
 	@brief Affinity is the time slot allowed for the process.
 	*/
-	const AffinityKind& ProcessHeader::GetAffinity()
+	const AffinityKind& ProcessHeader::GetAffinity() noexcept
 	{
 		return this->Affinity;
 	}
diff --git a/Kernel/Sources/ProcessTeam.cxx b/Kernel/Sources/ProcessTeam.cxx
index 30c791b2..f01841a6 100644
--- a/Kernel/Sources/ProcessTeam.cxx
+++ b/Kernel/Sources/ProcessTeam.cxx
@@ -20,6 +20,13 @@ namespace NewOS
 		return mProcessList;
 	}
 
+	/// @brief Get team ID.
+	/// @return The team's ID.
+	UInt64& ProcessTeam::Id() noexcept
+	{
+		return mTeamId;
+	}
+
 	/// @brief Current process getter.
 	/// @return The current process header.
 	Ref<ProcessHeader>& ProcessTeam::AsRef()