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https://github.com/SoftEtherVPN/SoftEtherVPN.git
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104 lines
4.0 KiB
C
104 lines
4.0 KiB
C
// SoftEther VPN Source Code - Developer Edition Master Branch
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// SeLow - SoftEther Lightweight Network Protocol
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// SeLowCommon.h
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// Common Header for Kernel Mode / User Mode
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include "Windows.h"
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//// Version number
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// Change this number every time functions are added or modified on the driver.
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// As long as this number does not change, installation of SeLow during the update
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// installation of the VPN Server / VPN Client / VPN Bridge is skipped.
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#define SL_VER 48
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// Constants
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#define SL_MAX_PACKET_SIZE 1600
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#define SL_MAX_PACKET_SIZE_ANNOUNCE 1514
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#define SL_MIN_PACKET_SIZE 14
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#define SL_PACKET_HEADER_SIZE 14
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#define SL_MAX_FRAME_SIZE (SL_MAX_PACKET_SIZE - SL_MIN_PACKET_SIZE)
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#define SL_PROTOCOL_NAME "SeLow"
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#define SL_EVENT_NAME_SIZE 128
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#define SL_ENUM_COMPLETE_GIVEUP_TICK (15 * 1000)
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// IOCTL
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#define SL_IOCTL_GET_EVENT_NAME CTL_CODE(0x8000, 1, METHOD_NEITHER, FILE_ANY_ACCESS)
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// IOCTL data structure
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typedef struct SL_IOCTL_EVENT_NAME
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{
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char EventNameWin32[SL_EVENT_NAME_SIZE]; // Event name
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} SL_IOCTL_EVENT_NAME;
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// Device ID
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#define SL_BASIC_DEVICE_NAME "\\Device\\SELOW_BASIC_DEVICE"
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#define SL_BASIC_DEVICE_NAME_SYMBOLIC "\\DosDevices\\Global\\SELOW_BASIC_DEVICE"
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#define SL_BASIC_DEVICE_FILENAME_WIN32 "\\\\.\\SELOW_BASIC_DEVICE"
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#define SL_ADAPTER_ID_PREFIX "SELOW_A_"
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#define SL_ADAPTER_ID_PREFIX_W L"SELOW_A_"
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#define SL_ADAPTER_DEVICE_NAME "\\Device\\SELOW_A_{00000000-0000-0000-0000-000000000000}"
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#define SL_ADAPTER_DEVICE_NAME_SYMBOLIC "\\DosDevices\\Global\\SELOW_A_{00000000-0000-0000-0000-000000000000}"
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#define SL_ADAPTER_DEVICE_FILENAME_WIN32 "\\\\.\\%s"
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// Event name
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#define SL_EVENT_NAME "\\BaseNamedObjects\\SELOW_EVENT_%u_%u"
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#define SL_EVENT_NAME_WIN32 "Global\\SELOW_EVENT_%u_%u"
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// Registry key
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#define SL_REG_KEY_NAME "SYSTEM\\CurrentControlSet\\services\\SeLow"
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#define SL_REG_VER_VALUE "SlVersion"
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#define SL_REG_VER_VALUE_WIN10 "SlVersion_Win10"
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// Adapter data
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#define SL_ADAPTER_ID_LEN 64
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typedef struct SL_ADAPTER_INFO
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{
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wchar_t AdapterId[SL_ADAPTER_ID_LEN]; // Adapter ID
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UCHAR MacAddress[6]; // MAC address
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UCHAR Padding1[2];
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UINT MtuSize; // MTU size
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char FriendlyName[256]; // Display name
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UINT SupportsVLanHw; // Supports VLAN by HW
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UCHAR Reserved[256 - sizeof(UINT)]; // Reserved area
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} SL_ADAPTER_INFO;
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#define SL_MAX_ADAPTER_INFO_LIST_ENTRY 256
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#define SL_SIGNATURE 0xDEADBEEF
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typedef struct SL_ADAPTER_INFO_LIST
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{
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UINT Signature; // Signature
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UINT SeLowVersion; // Version of SeLow
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UINT EnumCompleted; // Enumeration completion flag
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UINT NumAdapters; // The total number of adapter
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SL_ADAPTER_INFO Adapters[SL_MAX_ADAPTER_INFO_LIST_ENTRY]; // Array of adapter
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} SL_ADAPTER_INFO_LIST;
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// Packet data exchange related
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#define SL_MAX_PACKET_EXCHANGE 256 // Number of packets that can be exchanged at a time
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#define SL_MAX_PACKET_QUEUED 4096 // Maximum number of packets that can be queued
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#define SL_EX_SIZEOF_NUM_PACKET 4 // Packet count data (UINT)
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#define SL_EX_SIZEOF_LENGTH_PACKET 4 // Length data of the packet data (UINT)
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#define SL_EX_SIZEOF_LEFT_FLAG 4 // Flag to indicate that the packet is left
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#define SL_EX_SIZEOF_ONE_PACKET 1600 // Data area occupied by a packet data
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#define SL_EXCHANGE_BUFFER_SIZE (SL_EX_SIZEOF_NUM_PACKET + SL_EX_SIZEOF_LEFT_FLAG + \
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(SL_EX_SIZEOF_LENGTH_PACKET + SL_EX_SIZEOF_ONE_PACKET) * (SL_MAX_PACKET_EXCHANGE + 1))
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#define SL_NUM_PACKET(buf) (*((UINT *)((UCHAR *)buf + 0)))
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#define SL_SIZE_OF_PACKET(buf, i) (*((UINT *)((UCHAR *)buf + SL_EX_SIZEOF_NUM_PACKET + \
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(i * (SL_EX_SIZEOF_LENGTH_PACKET + SL_EX_SIZEOF_ONE_PACKET)))))
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#define SL_ADDR_OF_PACKET(buf, i) (((UINT *)((UCHAR *)buf + SL_EX_SIZEOF_NUM_PACKET + \
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SL_EX_SIZEOF_LENGTH_PACKET + \
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(i * (SL_EX_SIZEOF_LENGTH_PACKET + SL_EX_SIZEOF_ONE_PACKET)))))
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#define SL_LEFT_FLAG(buf) SL_SIZE_OF_PACKET(buf, SL_MAX_PACKET_EXCHANGE)
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