diff options
| author | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2025-03-23 19:13:48 +0100 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2025-03-23 19:15:17 +0100 |
| commit | a13e1c0911c0627184bc38f18c7fdda64447b3ad (patch) | |
| tree | 073a62c09bf216e85a3f310376640fa1805147f9 /dev/Kernel/src/Network/IPCMsg.cc | |
| parent | 149fa096eb306d03686b3b67e813cf1a78e08cd0 (diff) | |
meta(kernel): Reworked repository's filesystem structure.
Removing useless parts of the project too.
Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/Kernel/src/Network/IPCMsg.cc')
| -rw-r--r-- | dev/Kernel/src/Network/IPCMsg.cc | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/dev/Kernel/src/Network/IPCMsg.cc b/dev/Kernel/src/Network/IPCMsg.cc deleted file mode 100644 index f5bec6f7..00000000 --- a/dev/Kernel/src/Network/IPCMsg.cc +++ /dev/null @@ -1,125 +0,0 @@ -/* ------------------------------------------- - - Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved. - -------------------------------------------- */ - -#include <NetworkKit/IPC.h> -#include <KernelKit/LPC.h> -#include <KernelKit/UserProcessScheduler.h> - -namespace NeOS -{ - /// @internal internal use for IPC system only. - /// @brief The internal sanitize function. - Bool ipc_int_sanitize_packet(IPC_MSG* pckt) - { - auto endian = RTL_ENDIAN(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; - } - - /// @brief Sanitize packet function - /// @retval true packet is correct. - /// @retval false packet is incorrect and process has crashed. - Bool ipc_sanitize_packet(IPC_MSG* pckt) - { - if (!pckt || - !ipc_int_sanitize_packet(pckt)) - { - 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 IPC_MSG** pckt_in) - { - // don't act if it's not even valid. - if (!pckt_in) - return false; - - if (!*pckt_in) - *pckt_in = new IPC_MSG(); - - MUST_PASS(*pckt_in); - - if (*pckt_in) - { - const auto endianess = RTL_ENDIAN((*pckt_in), ((Char*)(*pckt_in))[0]); - - (*pckt_in)->IpcHeaderMagic = kIPCHeaderMagic; - - (*pckt_in)->IpcEndianess = static_cast<UInt8>(endianess); - (*pckt_in)->IpcPacketSize = sizeof(IPC_MSG); - - (*pckt_in)->IpcTo.UserProcessID = 0; - (*pckt_in)->IpcTo.UserProcessTeam = 0; - - (*pckt_in)->IpcFrom.UserProcessID = 0; - (*pckt_in)->IpcFrom.UserProcessTeam = 0; - - return Yes; - } - - return No; - } - - /// @brief Pass message from **src** to **target** - /// @param src Source message. - /// @param target Target message. - Bool IPC_MSG::Pass(IPC_MSG* src, IPC_MSG* target) noexcept - { - if (src && target && (target != src)) - { - if (src->IpcMsgSz > target->IpcMsgSz) - return No; - - if (target->IpcMsgSz > src->IpcMsgSz) - return No; - - rt_copy_memory(src->IpcData, target->IpcData, src->IpcMsgSz); - - return Yes; - } - - return No; - } -} // namespace NeOS |
