IMP: :boom: Breaking changes some checks are needed to be done.

Signed-off-by: Amlal <amlalelmahrouss@icloud.com>

3 files changed, 272 insertions, 0 deletions

diff --git a/dev/Kernel/src/Network/IP.cc b/dev/Kernel/src/Network/IP.cc
new file mode 100644
index 00000000..1b745f30
--- /dev/null
+++ b/dev/Kernel/src/Network/IP.cc
@@ -0,0 +1,126 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, TQ B.V, all rights reserved.
+
+------------------------------------------- */
+
+#include <NetworkKit/IP.h>
+#include <NewKit/Utils.h>
+
+namespace Kernel
+{
+	char* RawIPAddress::Address()
+	{
+		return fAddr;
+	}
+
+	RawIPAddress::RawIPAddress(char bytes[4])
+	{
+		rt_copy_memory(bytes, fAddr, 4);
+	}
+
+	bool RawIPAddress::operator==(const RawIPAddress& ipv4)
+	{
+		for (Size index = 0; index < 4; ++index)
+		{
+			if (ipv4.fAddr[index] != fAddr[index])
+				return false;
+		}
+
+		return true;
+	}
+
+	bool RawIPAddress::operator!=(const RawIPAddress& ipv4)
+	{
+		for (Size index = 0; index < 4; ++index)
+		{
+			if (ipv4.fAddr[index] == fAddr[index])
+				return false;
+		}
+
+		return true;
+	}
+
+	char& RawIPAddress::operator[](const Size& index)
+	{
+		kcout << "[RawIPAddress::operator[]] Fetching Index...\r";
+
+		static char IP_PLACEHOLDER = '0';
+		if (index > 4)
+			return IP_PLACEHOLDER;
+
+		return fAddr[index];
+	}
+
+	RawIPAddress6::RawIPAddress6(char bytes[8])
+	{
+		rt_copy_memory(bytes, fAddr, 8);
+	}
+
+	char& RawIPAddress6::operator[](const Size& index)
+	{
+		kcout << "[RawIPAddress6::operator[]] Fetching Index...\r";
+
+		static char IP_PLACEHOLDER = '0';
+		if (index > 8)
+			return IP_PLACEHOLDER;
+
+		return fAddr[index];
+	}
+
+	bool RawIPAddress6::operator==(const RawIPAddress6& ipv6)
+	{
+		for (SizeT index = 0; index < 8; ++index)
+		{
+			if (ipv6.fAddr[index] != fAddr[index])
+				return false;
+		}
+
+		return true;
+	}
+
+	bool RawIPAddress6::operator!=(const RawIPAddress6& ipv6)
+	{
+		for (SizeT index = 0; index < 8; ++index)
+		{
+			if (ipv6.fAddr[index] == fAddr[index])
+				return false;
+		}
+
+		return true;
+	}
+
+	ErrorOr<KString> IPFactory::ToKString(Ref<RawIPAddress6>& ipv6)
+	{
+		auto str = StringBuilder::Construct(ipv6.Leak().Address());
+		return str;
+	}
+
+	ErrorOr<KString> IPFactory::ToKString(Ref<RawIPAddress>& ipv4)
+	{
+		auto str = StringBuilder::Construct(ipv4.Leak().Address());
+		return str;
+	}
+
+	bool IPFactory::IpCheckVersion4(const Char* ip)
+	{
+		int cnter = 0;
+
+		for (Size base = 0; base < rt_string_len(ip); ++base)
+		{
+			if (ip[base] == '.')
+			{
+				cnter = 0;
+			}
+			else
+			{
+				if (cnter == 3)
+					return false;
+
+				++cnter;
+			}
+		}
+
+		return true;
+	}
+} // namespace Kernel
diff --git a/dev/Kernel/src/Network/IPC.cc b/dev/Kernel/src/Network/IPC.cc
new file mode 100644
index 00000000..7ca796bd
--- /dev/null
+++ b/dev/Kernel/src/Network/IPC.cc
@@ -0,0 +1,111 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, TQ B.V, all rights reserved.
+
+------------------------------------------- */
+
+#include <NetworkKit/IPC.h>
+#include <KernelKit/LPC.h>
+#include <KernelKit/UserProcessScheduler.h>
+
+using namespace Kernel;
+
+/// @internal
+/// @brief The internal sanitize function.
+Bool ipc_int_sanitize_packet(IPCMessage* pckt)
+{
+	auto endian = rtl_deduce_endianess(pckt, ((Char*)pckt)[0]);
+
+	switch (endian)
+	{
+	case Endian::kEndianBig: {
+		if (pckt->IpcEndianess == kIPCLittleEndian)
+			goto ipc_check_failed;
+
+		break;
+	}
+	case Endian::kEndianLittle: {
+		if (pckt->IpcEndianess == kIPCBigEndian)
+			goto ipc_check_failed;
+
+		break;
+	}
+	case Endian::kEndianMixed: {
+		if (pckt->IpcEndianess == kIPCMixedEndian)
+			goto ipc_check_failed;
+
+		break;
+	}
+	default:
+		goto ipc_check_failed;
+	}
+
+	if (pckt->IpcFrom == pckt->IpcTo ||
+		pckt->IpcPacketSize > kIPCMsgSize)
+	{
+		goto ipc_check_failed;
+	}
+
+	return pckt->IpcPacketSize > 1 && pckt->IpcHeaderMagic == kIPCHeaderMagic;
+
+ipc_check_failed:
+	err_local_get() = kErrorIPC;
+	return false;
+}
+
+namespace Kernel
+{
+	/// @brief Sanitize packet function
+	/// @retval true packet is correct.
+	/// @retval false packet is incorrect and process has crashed.
+	Bool ipc_sanitize_packet(IPCMessage* pckt)
+	{
+		if (!pckt ||
+			!ipc_int_sanitize_packet(pckt))
+		{
+			UserProcessScheduler::The().GetCurrentProcess().Leak().Crash();
+			return false;
+		}
+
+		return true;
+	}
+
+	/// @brief Construct packet function
+	/// @retval true packet is correct.
+	/// @retval false packet is incorrect and process has crashed.
+	Bool ipc_construct_packet(_Output IPCMessage** pckt_in)
+	{
+		// don't do anything if it's valid already.
+		if (*pckt_in)
+			return true;
+
+		// crash process if the packet pointer of pointer is NULL.
+		if (!pckt_in)
+		{
+			UserProcessScheduler::The().GetCurrentProcess().Leak().Crash();
+			return false;
+		}
+
+		*pckt_in = new IPCMessage();
+
+		if (*pckt_in)
+		{
+			auto endian = rtl_deduce_endianess((*pckt_in), ((Char*)(*pckt_in))[0]);
+
+			(*pckt_in)->IpcHeaderMagic = kIPCHeaderMagic;
+
+			(*pckt_in)->IpcEndianess  = static_cast<UInt8>(endian);
+			(*pckt_in)->IpcPacketSize = sizeof(IPCMessage);
+
+			(*pckt_in)->IpcTo.UserProcessID	  = 0;
+			(*pckt_in)->IpcTo.UserProcessTeam = 0;
+
+			(*pckt_in)->IpcFrom.UserProcessID	= Kernel::UserProcessScheduler::The().GetCurrentProcess().Leak().ProcessId;
+			(*pckt_in)->IpcFrom.UserProcessTeam = Kernel::UserProcessScheduler::The().CurrentTeam().mTeamId;
+
+			return Yes;
+		}
+
+		return No;
+	}
+} // namespace Kernel
diff --git a/dev/Kernel/src/Network/NetworkDevice.cc b/dev/Kernel/src/Network/NetworkDevice.cc
new file mode 100644
index 00000000..49df121c
--- /dev/null
+++ b/dev/Kernel/src/Network/NetworkDevice.cc
@@ -0,0 +1,35 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, TQ B.V, all rights reserved.
+
+------------------------------------------- */
+
+#include <NetworkKit/NetworkDevice.h>
+#include <NewKit/Utils.h>
+
+namespace Kernel
+{
+	/// \brief Getter for fNetworkName.
+	const Char* NetworkDevice::Name() const
+	{
+		return this->fNetworkName;
+	}
+
+	/// \brief Setter for fNetworkName.
+	Boolean NetworkDevice::Name(const Char* strView)
+	{
+		if (strView == nullptr)
+			return false;
+
+		if (*strView == 0)
+			return false;
+
+		if (rt_string_len(strView) > cNetworkNameLen)
+			return false;
+
+		rt_copy_memory((VoidPtr)strView,
+					   (VoidPtr)this->fNetworkName, rt_string_len(strView));
+
+		return true;
+	}
+} // namespace Kernel