diff options
| author | Amlal EL Mahrouss <amlalelmahrouss@icloud.com> | 2024-06-29 13:15:29 +0200 |
|---|---|---|
| committer | Amlal EL Mahrouss <amlalelmahrouss@icloud.com> | 2024-06-29 13:15:29 +0200 |
| commit | d9d42bcfeb444652ae198a6bd3481ce316549e55 (patch) | |
| tree | 238e88d868855c4ab6e1c6671bfc18a9930048fe /Kernel/NetworkKit | |
| parent | f562fbf39333925689d6fb704af15efe5f99ed28 (diff) | |
kernel: Use local error codes for kernel calls. So that we know which
process caused the error, and it's not global as well.
Signed-off-by: Amlal EL Mahrouss <amlalelmahrouss@icloud.com>
Diffstat (limited to 'Kernel/NetworkKit')
| -rw-r--r-- | Kernel/NetworkKit/IPCEP.hxx | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/Kernel/NetworkKit/IPCEP.hxx b/Kernel/NetworkKit/IPCEP.hxx index c92f79cd..4725893e 100644 --- a/Kernel/NetworkKit/IPCEP.hxx +++ b/Kernel/NetworkKit/IPCEP.hxx @@ -18,19 +18,32 @@ /// IA separator. #define cRemoteSeparator "." -/// Interchange address, consists of domain:namespace. -#define cRemoteInvalid "00.00.00.00:0000" -#define cRemoteBitWidth (96) /* 96-bit address space. */ +/// Interchange address, consists of PID:TEAM. +#define cRemoteInvalid "00:00" -#define cRemoteHeaderMagic (0x4950434550) +#define cRemoteHeaderMagic (0x4950434) namespace NewOS { - /// @brief 96-bit number to represent the domain and namespace + /// @brief 128-bit IPC address. struct PACKED IPCEPAddress final { - UInt32 RemoteAddress; - UInt64 RemoteNamespace; + UInt64 ProcessID; + UInt64 ProcessTeam; + + //////////////////////////////////// + // some operators. + //////////////////////////////////// + + bool operator==(const IPCEPAddress& addr) noexcept + { + return addr.ProcessID == this->ProcessID && addr.ProcessTeam == this->ProcessTeam; + } + + bool operator==(IPCEPAddress& addr) noexcept + { + return addr.ProcessID == this->ProcessID && addr.ProcessTeam == this->ProcessTeam; + } }; typedef struct IPCEPAddress IPCEPAddressType; @@ -41,12 +54,12 @@ namespace NewOS eIPCEPBigEndian = 1 }; - /// @brief IPCEP connection header, must be the same on - /// user side as well. + constexpr auto cIPCEPMsgSize = 6094U; - typedef struct IPCEPConnectionHeader + /// @brief IPCEP connection header, message cannot be greater than 6K. + typedef struct IPCEPMessageHeader final { - UInt32 IpcHeader; // cRemoteHeaderMagic + UInt32 IpcHeaderMagic; // cRemoteHeaderMagic UInt8 IpcEndianess; // 0 : LE, 1 : BE SizeT IpcPacketSize; IPCEPAddressType IpcFrom; @@ -54,8 +67,10 @@ namespace NewOS UInt32 IpcCRC32; UInt32 IpcMsg; UInt32 IpcMsgSz; - UInt8 IpcData[]; - } PACKED IPCEPConnectionHeader; + UInt8 IpcData[cIPCEPMsgSize]; + } PACKED IPCEPMessageHeader; + + Bool ipc_sanitize_packet(IPCEPMessageHeader* pckt); } // namespace NewOS #endif // _INC_IPC_ENDPOINT_HXX_ |