mirror of
https://github.com/SoftEtherVPN/SoftEtherVPN.git
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134 lines
4.0 KiB
C
134 lines
4.0 KiB
C
// SoftEther VPN Source Code - Developer Edition Master Branch
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// Cedar Communication Module
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// BridgeUnix.h
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// Header of BridgeUnix.c
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#ifndef BRIDGEUNIX_H
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#define BRIDGEUNIX_H
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// Macro
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#ifndef SOL_PACKET
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#define SOL_PACKET 263
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#endif
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#ifndef ifr_newname
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#define ifr_newname ifr_ifru.ifru_slave
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#endif
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// Constants
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#define UNIX_ETH_TMP_BUFFER_SIZE (2000)
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#define SOLARIS_MAXDLBUF (32768)
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#define BRIDGE_MAX_QUEUE_SIZE (4096*1500)
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// ETH structure
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struct ETH
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{
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char *Name; // Adapter name
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char *Title; // Adapter title
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CANCEL *Cancel; // Cancel object
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int IfIndex; // Index
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int Socket; // Socket
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UINT InitialMtu; // Initial MTU value
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UINT CurrentMtu; // Current MTU value
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int SocketBsdIf; // BSD interface operation socket
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UCHAR MacAddress[6]; // MAC address
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#ifdef BRIDGE_PCAP
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void *Pcap; // Pcap descriptor
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QUEUE *Queue; // Queue of the relay thread
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UINT QueueSize; // Number of bytes in Queue
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THREAD *CaptureThread; // Pcap relay thread
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#endif // BRIDGE_PCAP
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#ifdef BRIDGE_BPF
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UINT BufSize; // Buffer size to read the BPF (error for other)
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#ifdef BRIDGE_BPF_THREAD
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QUEUE *Queue; // Queue of the relay thread
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UINT QueueSize; // Number of bytes in Queue
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THREAD *CaptureThread; // BPF relay thread
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#else // BRIDGE_BPF_THREAD
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UCHAR *Buffer; // Buffer to read the BPF
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UCHAR *Next;
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int Rest;
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#endif // BRIDGE_BPF_THREAD
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#endif // BRIDGE_BPF
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VLAN *Tap; // tap
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bool Linux_IsAuxDataSupported; // Is PACKET_AUXDATA supported
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bool IsRawIpMode; // RAW IP mode
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SOCK *RawTcp, *RawUdp, *RawIcmp; // RAW sockets
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bool RawIp_HasError;
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UCHAR RawIpMyMacAddr[6];
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UCHAR RawIpYourMacAddr[6];
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IP MyIP;
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IP YourIP;
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QUEUE *RawIpSendQueue;
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IP MyPhysicalIP;
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IP MyPhysicalIPForce;
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UCHAR *RawIP_TmpBuffer;
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UINT RawIP_TmpBufferSize;
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};
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#if defined( BRIDGE_BPF ) || defined( BRIDGE_PCAP )
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struct CAPTUREBLOCK{
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UINT Size;
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UCHAR *Buf;
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};
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#endif // BRIDGE_BPF
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// Function prototype
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void InitEth();
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void FreeEth();
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bool IsEthSupported();
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bool IsEthSupportedLinux();
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bool IsEthSupportedSolaris();
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bool IsEthSupportedPcap();
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TOKEN_LIST *GetEthList();
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TOKEN_LIST *GetEthListEx(UINT *total_num_including_hidden, bool enum_normal, bool enum_rawip);
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TOKEN_LIST *GetEthListLinux(bool enum_normal, bool enum_rawip);
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TOKEN_LIST *GetEthListSolaris();
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TOKEN_LIST *GetEthListPcap();
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ETH *OpenEth(char *name, bool local, bool tapmode, char *tapaddr);
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ETH *OpenEthLinux(char *name, bool local, bool tapmode, char *tapaddr);
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ETH *OpenEthSolaris(char *name, bool local, bool tapmode, char *tapaddr);
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ETH *OpenEthPcap(char *name, bool local, bool tapmode, char *tapaddr);
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bool ParseUnixEthDeviceName(char *dst_devname, UINT dst_devname_size, char *src_name);
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void CloseEth(ETH *e);
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CANCEL *EthGetCancel(ETH *e);
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UINT EthGetPacket(ETH *e, void **data);
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UINT EthGetPacketLinux(ETH *e, void **data);
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UINT EthGetPacketSolaris(ETH *e, void **data);
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UINT EthGetPacketPcap(ETH *e, void **data);
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UINT EthGetPacketBpf(ETH *e, void **data);
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void EthPutPacket(ETH *e, void *data, UINT size);
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void EthPutPackets(ETH *e, UINT num, void **datas, UINT *sizes);
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UINT EthGetMtu(ETH *e);
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bool EthSetMtu(ETH *e, UINT mtu);
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bool EthIsChangeMtuSupported(ETH *e);
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bool EthGetInterfaceDescriptionUnix(char *name, char *str, UINT size);
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bool EthIsInterfaceDescriptionSupportedUnix();
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ETH *OpenEthLinuxIpRaw();
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void CloseEthLinuxIpRaw(ETH *e);
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UINT EthGetPacketLinuxIpRaw(ETH *e, void **data);
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UINT EthGetPacketLinuxIpRawForSock(ETH *e, void **data, SOCK *s, UINT proto);
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void EthPutPacketLinuxIpRaw(ETH *e, void *data, UINT size);
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bool EthProcessIpPacketInnerIpRaw(ETH *e, PKT *p);
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void EthSendIpPacketInnerIpRaw(ETH *e, void *data, UINT size, USHORT protocol);
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#ifdef UNIX_SOLARIS
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// Function prototype for Solaris
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bool DlipReceiveAck(int fd);
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bool DlipPromiscuous(int fd, UINT level);
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bool DlipBindRequest(int fd);
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#endif // OS_SOLARIS
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int UnixEthOpenRawSocket();
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#endif // BRIDGEUNIX_H
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