http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/netfilter_ipv4/ip_conntrack_pptp.h

/* PPTP constants and structs */ #ifndef _CONNTRACK_PPTP_H #define _CONNTRACK_PPTP_H /* state of the control session */ enum pptp_ctrlsess_state { PPTP_SESSION_NONE, /* no session present */ PPTP_SESSION_ERROR, /* some session error */ PPTP_SESSION_STOPREQ, /* stop_sess request seen */ PPTP_SESSION_REQUESTED, /* start_sess request seen */ PPTP_SESSION_CONFIRMED, /* session established */ }; /* state of the call inside the control session */ enum pptp_ctrlcall_state { PPTP_CALL_NONE, PPTP_CALL_ERROR, PPTP_CALL_OUT_REQ, PPTP_CALL_OUT_CONF, PPTP_CALL_IN_REQ, PPTP_CALL_IN_REP, PPTP_CALL_IN_CONF, PPTP_CALL_CLEAR_REQ, }; /* conntrack private data */ struct ip_ct_pptp_master { enum pptp_ctrlsess_state sstate; /* session state */ /* everything below is going to be per-expectation in newnat, * since there could be more than one call within one session */ enum pptp_ctrlcall_state cstate; /* call state */ u_int16_t pac_call_id; /* call id of PAC, host byte order */ u_int16_t pns_call_id; /* call id of PNS, host byte order */ /* in pre-2.6.11 this used to be per-expect. Now it is per-conntrack * and therefore imposes a fixed limit on the number of maps */ struct ip_ct_gre_keymap *keymap_orig, *keymap_reply; }; /* conntrack_expect private member */ struct ip_ct_pptp_expect { enum pptp_ctrlcall_state cstate; /* call state */ u_int16_t pac_call_id; /* call id of PAC */ u_int16_t pns_call_id; /* call id of PNS */ }; #ifdef __KERNEL__ #define IP_CONNTR_PPTP PPTP_CONTROL_PORT #define PPTP_CONTROL_PORT 1723 #define PPTP_PACKET_CONTROL 1 #define PPTP_PACKET_MGMT 2 #define PPTP_MAGIC_COOKIE 0x1a2b3c4d struct pptp_pkt_hdr { __u16 packetLength; __be16 packetType; __be32 magicCookie; }; /* PptpControlMessageType values */ #define PPTP_START_SESSION_REQUEST 1 #define PPTP_START_SESSION_REPLY 2 #define PPTP_STOP_SESSION_REQUEST 3 #define PPTP_STOP_SESSION_REPLY 4 #define PPTP_ECHO_REQUEST 5 #define PPTP_ECHO_REPLY 6 #define PPTP_OUT_CALL_REQUEST 7 #define PPTP_OUT_CALL_REPLY 8 #define PPTP_IN_CALL_REQUEST 9 #define PPTP_IN_CALL_REPLY 10 #define PPTP_IN_CALL_CONNECT 11 #define PPTP_CALL_CLEAR_REQUEST 12 #define PPTP_CALL_DISCONNECT_NOTIFY 13 #define PPTP_WAN_ERROR_NOTIFY 14 #define PPTP_SET_LINK_INFO 15 #define PPTP_MSG_MAX 15 /* PptpGeneralError values */ #define PPTP_ERROR_CODE_NONE 0 #define PPTP_NOT_CONNECTED 1 #define PPTP_BAD_FORMAT 2 #define PPTP_BAD_VALUE 3 #define PPTP_NO_RESOURCE 4 #define PPTP_BAD_CALLID 5 #define PPTP_REMOVE_DEVICE_ERROR 6 struct PptpControlHeader { __be16 messageType; __u16 reserved; }; /* FramingCapability Bitmap Values */ #define PPTP_FRAME_CAP_ASYNC 0x1 #define PPTP_FRAME_CAP_SYNC 0x2 /* BearerCapability Bitmap Values */ #define PPTP_BEARER_CAP_ANALOG 0x1 #define PPTP_BEARER_CAP_DIGITAL 0x2 struct PptpStartSessionRequest { __be16 protocolVersion; __u8 reserved1; __u8 reserved2; __be32 framingCapability; __be32 bearerCapability; __be16 maxChannels; __be16 firmwareRevision; __u8 hostName[64]; __u8 vendorString[64]; }; /* PptpStartSessionResultCode Values */ #define PPTP_START_OK 1 #define PPTP_START_GENERAL_ERROR 2 #define PPTP_START_ALREADY_CONNECTED 3 #define PPTP_START_NOT_AUTHORIZED 4 #define PPTP_START_UNKNOWN_PROTOCOL 5 struct PptpStartSessionReply { __be16 protocolVersion; __u8 resultCode; __u8 generalErrorCode; __be32 framingCapability; __be32 bearerCapability; __be16 maxChannels; __be16 firmwareRevision; __u8 hostName[64]; __u8 vendorString[64]; }; /* PptpStopReasons */ #define PPTP_STOP_NONE 1 #define PPTP_STOP_PROTOCOL 2 #define PPTP_STOP_LOCAL_SHUTDOWN 3 struct PptpStopSessionRequest { __u8 reason; }; /* PptpStopSessionResultCode */ #define PPTP_STOP_OK 1 #define PPTP_STOP_GENERAL_ERROR 2 struct PptpStopSessionReply { __u8 resultCode; __u8 generalErrorCode; }; struct PptpEchoRequest { __be32 identNumber; }; /* PptpEchoReplyResultCode */ #define PPTP_ECHO_OK 1 #define PPTP_ECHO_GENERAL_ERROR 2 struct PptpEchoReply { __be32 identNumber; __u8 resultCode; __u8 generalErrorCode; __u16 reserved; }; /* PptpFramingType */ #define PPTP_ASYNC_FRAMING 1 #define PPTP_SYNC_FRAMING 2 #define PPTP_DONT_CARE_FRAMING 3 /* PptpCallBearerType */ #define PPTP_ANALOG_TYPE 1 #define PPTP_DIGITAL_TYPE 2 #define PPTP_DONT_CARE_BEARER_TYPE 3 struct PptpOutCallRequest { __be16 callID; __be16 callSerialNumber; __be32 minBPS; __be32 maxBPS; __be32 bearerType; __be32 framingType; __be16 packetWindow; __be16 packetProcDelay; __u16 reserved1; __be16 phoneNumberLength; __u16 reserved2; __u8 phoneNumber[64]; __u8 subAddress[64]; }; /* PptpCallResultCode */ #define PPTP_OUTCALL_CONNECT 1 #define PPTP_OUTCALL_GENERAL_ERROR 2 #define PPTP_OUTCALL_NO_CARRIER 3 #define PPTP_OUTCALL_BUSY 4 #define PPTP_OUTCALL_NO_DIAL_TONE 5 #define PPTP_OUTCALL_TIMEOUT 6 #define PPTP_OUTCALL_DONT_ACCEPT 7 struct PptpOutCallReply { __be16 callID; __be16 peersCallID; __u8 resultCode; __u8 generalErrorCode; __be16 causeCode; __be32 connectSpeed; __be16 packetWindow; __be16 packetProcDelay; __be32 physChannelID; }; struct PptpInCallRequest { __be16 callID; __be16 callSerialNumber; __be32 callBearerType; __be32 physChannelID; __be16 dialedNumberLength; __be16 dialingNumberLength; __u8 dialedNumber[64]; __u8 dialingNumber[64]; __u8 subAddress[64]; }; /* PptpInCallResultCode */ #define PPTP_INCALL_ACCEPT 1 #define PPTP_INCALL_GENERAL_ERROR 2 #define PPTP_INCALL_DONT_ACCEPT 3 struct PptpInCallReply { __be16 callID; __be16 peersCallID; __u8 resultCode; __u8 generalErrorCode; __be16 packetWindow; __be16 packetProcDelay; __u16 reserved; }; struct PptpInCallConnected { __be16 peersCallID; __u16 reserved; __be32 connectSpeed; __be16 packetWindow; __be16 packetProcDelay; __be32 callFramingType; }; struct PptpClearCallRequest { __be16 callID; __u16 reserved; }; struct PptpCallDisconnectNotify { __be16 callID; __u8 resultCode; __u8 generalErrorCode; __be16 causeCode; __u16 reserved; __u8 callStatistics[128]; }; struct PptpWanErrorNotify { __be16 peersCallID; __u16 reserved; __be32 crcErrors; __be32 framingErrors; __be32 hardwareOverRuns; __be32 bufferOverRuns; __be32 timeoutErrors; __be32 alignmentErrors; }; struct PptpSetLinkInfo { __be16 peersCallID; __u16 reserved; __be32 sendAccm; __be32 recvAccm; }; union pptp_ctrl_union { struct PptpStartSessionRequest sreq; struct PptpStartSessionReply srep; struct PptpStopSessionRequest streq; struct PptpStopSessionReply strep; struct PptpOutCallRequest ocreq; struct PptpOutCallReply ocack; struct PptpInCallRequest icreq; struct PptpInCallReply icack; struct PptpInCallConnected iccon; struct PptpClearCallRequest clrreq; struct PptpCallDisconnectNotify disc; struct PptpWanErrorNotify wanerr; struct PptpSetLinkInfo setlink; }; extern int (*ip_nat_pptp_hook_outbound)(struct sk_buff **pskb, struct ip_conntrack *ct, enum ip_conntrack_info ctinfo, struct PptpControlHeader *ctlh, union pptp_ctrl_union *pptpReq); extern int (*ip_nat_pptp_hook_inbound)(struct sk_buff **pskb, struct ip_conntrack *ct, enum ip_conntrack_info ctinfo, struct PptpControlHeader *ctlh, union pptp_ctrl_union *pptpReq); extern int (*ip_nat_pptp_hook_exp_gre)(struct ip_conntrack_expect *exp_orig, struct ip_conntrack_expect *exp_reply); extern void (*ip_nat_pptp_hook_expectfn)(struct ip_conntrack *ct, struct ip_conntrack_expect *exp); #endif /* __KERNEL__ */ #endif /* _CONNTRACK_PPTP_H */