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99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
// SoftEther VPN Source Code - Developer Edition Master Branch
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// Cedar Communication Module
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// Proto_IPsec.h
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// Header of Proto_IPsec.c
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#ifndef PROTO_IPSEC_H
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#define PROTO_IPSEC_H
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//// Constants
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// UDP port number
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#define IPSEC_PORT_L2TP 1701 // L2TP
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#define IPSEC_PORT_IPSEC_ISAKMP 500 // ISAKMP
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#define IPSEC_PORT_IPSEC_ESP_UDP 4500 // IPsec ESP over UDP
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#define IPSEC_PORT_IPSEC_ESP_RAW MAKE_SPECIAL_PORT(50) // Raw mode ESP Protocol No: 50
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#define IPSEC_PORT_IPSEC_ESP_RAW_WPF MAKE_SPECIAL_PORT(52) // Raw mode ESP Protocol No: 52 (WPF)
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#define IPSEC_PORT_L2TPV3_VIRTUAL 1000001 // L2TPv3 virtual port
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// IP protocol number
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#define IPSEC_IP_PROTO_ETHERIP IP_PROTO_ETHERIP // EtherIP
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#define IPSEC_IP_PROTO_L2TPV3 IP_PROTO_L2TPV3 // L2TPv3
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// WFP tag
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#define WFP_ESP_PACKET_TAG_1 0x19841117
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#define WFP_ESP_PACKET_TAG_2 0x1accafe1
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// Monitoring interval of OS service
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#define IPSEC_CHECK_OS_SERVICE_INTERVAL_INITIAL 1024
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#define IPSEC_CHECK_OS_SERVICE_INTERVAL_MAX (5 * 60 * 1000)
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// Default IPsec pre-shared key
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#define IPSEC_DEFAULT_SECRET "vpn"
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//// Type
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// List of services provided by IPsec server
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struct IPSEC_SERVICES
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{
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bool L2TP_Raw; // Raw L2TP
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bool L2TP_IPsec; // L2TP over IPsec
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bool EtherIP_IPsec; // EtherIP over IPsec
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char IPsec_Secret[MAX_SIZE]; // IPsec pre-shared key
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char L2TP_DefaultHub[MAX_SIZE]; // Default Virtual HUB name for L2TP connection
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};
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// EtherIP key list entry
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struct ETHERIP_ID
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{
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char Id[MAX_SIZE]; // ID
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char HubName[MAX_HUBNAME_LEN + 1]; // Virtual HUB name
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char UserName[MAX_USERNAME_LEN + 1]; // User name
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char Password[MAX_USERNAME_LEN + 1]; // Password
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};
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// IPsec server
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struct IPSEC_SERVER
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{
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CEDAR *Cedar;
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UDPLISTENER *UdpListener;
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bool Halt;
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bool NoMoreChangeSettings;
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LOCK *LockSettings;
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IPSEC_SERVICES Services;
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L2TP_SERVER *L2TP; // L2TP server
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IKE_SERVER *Ike; // IKE server
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LIST *EtherIPIdList; // EtherIP setting list
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UINT EtherIPIdListSettingVerNo; // EtherIP setting list version number
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THREAD *OsServiceCheckThread; // OS Service monitoring thread
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EVENT *OsServiceCheckThreadEvent; // Event for OS Service monitoring thread
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IPSEC_WIN7 *Win7; // Helper module for Windows Vista / 7
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bool Check_LastEnabledStatus;
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bool HostIPAddressListChanged;
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bool OsServiceStoped;
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};
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//// Function prototype
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IPSEC_SERVER *NewIPsecServer(CEDAR *cedar);
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void FreeIPsecServer(IPSEC_SERVER *s);
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void IPsecServerUdpPacketRecvProc(UDPLISTENER *u, LIST *packet_list);
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void IPsecServerSetServices(IPSEC_SERVER *s, IPSEC_SERVICES *sl);
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void IPsecNormalizeServiceSetting(IPSEC_SERVER *s);
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void IPsecServerGetServices(IPSEC_SERVER *s, IPSEC_SERVICES *sl);
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void IPsecProcPacket(IPSEC_SERVER *s, UDPPACKET *p);
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int CmpEtherIPId(void *p1, void *p2);
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bool SearchEtherIPId(IPSEC_SERVER *s, ETHERIP_ID *id, char *id_str);
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void AddEtherIPId(IPSEC_SERVER *s, ETHERIP_ID *id);
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bool DeleteEtherIPId(IPSEC_SERVER *s, char *id_str);
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void IPsecOsServiceCheckThread(THREAD *t, void *p);
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bool IPsecCheckOsService(IPSEC_SERVER *s);
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#endif // PROTO_IPSEC_H
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