diff options
Diffstat (limited to 'dev/Kernel/src/Network')
| -rw-r--r-- | dev/Kernel/src/Network/IP.cc | 126 | ||||
| -rw-r--r-- | dev/Kernel/src/Network/IPC.cc | 111 | ||||
| -rw-r--r-- | dev/Kernel/src/Network/NetworkDevice.cc | 35 |
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 |
