diff options
Diffstat (limited to 'sys/netinet/libalias/alias_local.h')
| -rw-r--r-- | sys/netinet/libalias/alias_local.h | 307 |
1 files changed, 161 insertions, 146 deletions
diff --git a/sys/netinet/libalias/alias_local.h b/sys/netinet/libalias/alias_local.h index 0ed289a..420a435 100644 --- a/sys/netinet/libalias/alias_local.h +++ b/sys/netinet/libalias/alias_local.h @@ -55,80 +55,84 @@ struct proxy_entry; struct libalias { - LIST_ENTRY(libalias) instancelist; + LIST_ENTRY(libalias) instancelist; - int packetAliasMode; /* Mode flags */ - /* - documented in alias.h */ + int packetAliasMode; /* Mode flags */ + /* - documented in alias.h */ - struct in_addr aliasAddress; /* Address written onto source */ - /* field of IP packet. */ + struct in_addr aliasAddress; /* Address written onto source */ + /* field of IP packet. */ - struct in_addr targetAddress; /* IP address incoming packets */ - /* are sent to if no aliasing */ - /* link already exists */ + struct in_addr targetAddress; /* IP address incoming packets */ + /* are sent to if no aliasing */ + /* link already exists */ - struct in_addr nullAddress; /* Used as a dummy parameter for */ - /* some function calls */ + struct in_addr nullAddress; /* Used as a dummy parameter for */ + /* some function calls */ - LIST_HEAD(, alias_link) linkTableOut[LINK_TABLE_OUT_SIZE]; - /* Lookup table of pointers to */ - /* chains of link records. Each */ + LIST_HEAD (, alias_link) linkTableOut[LINK_TABLE_OUT_SIZE]; + /* Lookup table of pointers to */ + /* chains of link records. Each */ - LIST_HEAD(, alias_link) linkTableIn[LINK_TABLE_IN_SIZE]; - /* link record is doubly indexed */ - /* into input and output lookup */ - /* tables. */ + LIST_HEAD (, alias_link) linkTableIn[LINK_TABLE_IN_SIZE]; + /* link record is doubly indexed */ + /* into input and output lookup */ + /* tables. */ - /* Link statistics */ - int icmpLinkCount; - int udpLinkCount; - int tcpLinkCount; - int pptpLinkCount; - int protoLinkCount; - int fragmentIdLinkCount; - int fragmentPtrLinkCount; - int sockCount; + /* Link statistics */ + int icmpLinkCount; + int udpLinkCount; + int tcpLinkCount; + int pptpLinkCount; + int protoLinkCount; + int fragmentIdLinkCount; + int fragmentPtrLinkCount; + int sockCount; - int cleanupIndex; /* Index to chain of link table */ - /* being inspected for old links */ + int cleanupIndex; /* Index to chain of link table */ + /* being inspected for old links */ - int timeStamp; /* System time in seconds for */ - /* current packet */ + int timeStamp; /* System time in seconds for */ + /* current packet */ - int lastCleanupTime; /* Last time IncrementalCleanup() */ - /* was called */ + int lastCleanupTime; /* Last time + * IncrementalCleanup() */ + /* was called */ - int houseKeepingResidual; /* used by HouseKeeping() */ + int houseKeepingResidual; /* used by HouseKeeping() */ - int deleteAllLinks; /* If equal to zero, DeleteLink() */ - /* will not remove permanent links */ + int deleteAllLinks; /* If equal to zero, DeleteLink() */ + /* will not remove permanent links */ - FILE *monitorFile; /* File descriptor for link */ - /* statistics monitoring file */ + FILE *monitorFile; /* File descriptor for link */ + /* statistics monitoring file */ - int newDefaultLink; /* Indicates if a new aliasing */ - /* link has been created after a */ - /* call to PacketAliasIn/Out(). */ + int newDefaultLink; /* Indicates if a new aliasing */ + /* link has been created after a */ + /* call to PacketAliasIn/Out(). */ #ifndef NO_FW_PUNCH - int fireWallFD; /* File descriptor to be able to */ - /* control firewall. Opened by */ - /* PacketAliasSetMode on first */ - /* setting the PKT_ALIAS_PUNCH_FW */ - /* flag. */ - int fireWallBaseNum; /* The first firewall entry free for our use */ - int fireWallNumNums; /* How many entries can we use? */ - int fireWallActiveNum; /* Which entry did we last use? */ - char *fireWallField; /* bool array for entries */ + int fireWallFD; /* File descriptor to be able to */ + /* control firewall. Opened by */ + /* PacketAliasSetMode on first */ + /* setting the PKT_ALIAS_PUNCH_FW */ + /* flag. */ + int fireWallBaseNum; /* The first firewall entry + * free for our use */ + int fireWallNumNums; /* How many entries can we + * use? */ + int fireWallActiveNum; /* Which entry did we last + * use? */ + char *fireWallField; /* bool array for entries */ #endif - unsigned int skinnyPort; /* TCP port used by the Skinny */ - /* protocol. */ + unsigned int skinnyPort; /* TCP port used by the Skinny */ + /* protocol. */ struct proxy_entry *proxyList; - struct in_addr true_addr; /* in network byte order. */ - u_short true_port; /* in host byte order. */ + struct in_addr true_addr; /* in network byte order. */ + u_short true_port; /* in host byte order. */ }; @@ -161,148 +165,159 @@ struct libalias { /* Prototypes */ /* General utilities */ -u_short IpChecksum(struct ip *_pip); -u_short TcpChecksum(struct ip *_pip); -void DifferentialChecksum(u_short *_cksum, u_short *_new, u_short *_old, - int _n); +u_short IpChecksum(struct ip *_pip); +u_short TcpChecksum(struct ip *_pip); +void +DifferentialChecksum(u_short * _cksum, u_short * _new, u_short * _old, + int _n); /* Internal data access */ struct alias_link * - FindIcmpIn(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, - u_short _id_alias, int _create); +FindIcmpIn(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, + u_short _id_alias, int _create); struct alias_link * - FindIcmpOut(struct libalias *la, struct in_addr _src_addr, struct in_addr _dst_addr, - u_short _id, int _create); +FindIcmpOut(struct libalias *la, struct in_addr _src_addr, struct in_addr _dst_addr, + u_short _id, int _create); struct alias_link * - FindFragmentIn1(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, - u_short _ip_id); +FindFragmentIn1(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, + u_short _ip_id); struct alias_link * - FindFragmentIn2(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, - u_short _ip_id); +FindFragmentIn2(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, + u_short _ip_id); struct alias_link * - AddFragmentPtrLink(struct libalias *la, struct in_addr _dst_addr, u_short _ip_id); + AddFragmentPtrLink(struct libalias *la, struct in_addr _dst_addr, u_short _ip_id); struct alias_link * - FindFragmentPtr(struct libalias *la, struct in_addr _dst_addr, u_short _ip_id); + FindFragmentPtr(struct libalias *la, struct in_addr _dst_addr, u_short _ip_id); struct alias_link * - FindProtoIn(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, - u_char _proto); +FindProtoIn(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, + u_char _proto); struct alias_link * - FindProtoOut(struct libalias *la, struct in_addr _src_addr, struct in_addr _dst_addr, - u_char _proto); +FindProtoOut(struct libalias *la, struct in_addr _src_addr, struct in_addr _dst_addr, + u_char _proto); struct alias_link * - FindUdpTcpIn(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, - u_short _dst_port, u_short _alias_port, u_char _proto, int _create); +FindUdpTcpIn(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, + u_short _dst_port, u_short _alias_port, u_char _proto, int _create); struct alias_link * - FindUdpTcpOut(struct libalias *la, struct in_addr _src_addr, struct in_addr _dst_addr, - u_short _src_port, u_short _dst_port, u_char _proto, int _create); +FindUdpTcpOut(struct libalias *la, struct in_addr _src_addr, struct in_addr _dst_addr, + u_short _src_port, u_short _dst_port, u_char _proto, int _create); struct alias_link * - AddPptp(struct libalias *la, struct in_addr _src_addr, struct in_addr _dst_addr, - struct in_addr _alias_addr, u_int16_t _src_call_id); +AddPptp(struct libalias *la, struct in_addr _src_addr, struct in_addr _dst_addr, + struct in_addr _alias_addr, u_int16_t _src_call_id); struct alias_link * - FindPptpOutByCallId(struct libalias *la, struct in_addr _src_addr, - struct in_addr _dst_addr, u_int16_t _src_call_id); +FindPptpOutByCallId(struct libalias *la, struct in_addr _src_addr, + struct in_addr _dst_addr, u_int16_t _src_call_id); struct alias_link * - FindPptpInByCallId(struct libalias *la, struct in_addr _dst_addr, - struct in_addr _alias_addr, u_int16_t _dst_call_id); +FindPptpInByCallId(struct libalias *la, struct in_addr _dst_addr, + struct in_addr _alias_addr, u_int16_t _dst_call_id); struct alias_link * - FindPptpOutByPeerCallId(struct libalias *la, struct in_addr _src_addr, - struct in_addr _dst_addr, u_int16_t _dst_call_id); +FindPptpOutByPeerCallId(struct libalias *la, struct in_addr _src_addr, + struct in_addr _dst_addr, u_int16_t _dst_call_id); struct alias_link * - FindPptpInByPeerCallId(struct libalias *la, struct in_addr _dst_addr, - struct in_addr _alias_addr, u_int16_t _alias_call_id); +FindPptpInByPeerCallId(struct libalias *la, struct in_addr _dst_addr, + struct in_addr _alias_addr, u_int16_t _alias_call_id); struct alias_link * - FindRtspOut(struct libalias *la, struct in_addr _src_addr, struct in_addr _dst_addr, - u_short _src_port, u_short _alias_port, u_char _proto); +FindRtspOut(struct libalias *la, struct in_addr _src_addr, struct in_addr _dst_addr, + u_short _src_port, u_short _alias_port, u_char _proto); struct in_addr - FindOriginalAddress(struct libalias *la, struct in_addr _alias_addr); + FindOriginalAddress(struct libalias *la, struct in_addr _alias_addr); struct in_addr - FindAliasAddress(struct libalias *la, struct in_addr _original_addr); + FindAliasAddress(struct libalias *la, struct in_addr _original_addr); /* External data access/modification */ -int FindNewPortGroup(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, - u_short _src_port, u_short _dst_port, u_short _port_count, - u_char _proto, u_char _align); -void GetFragmentAddr(struct alias_link *_link, struct in_addr *_src_addr); -void SetFragmentAddr(struct alias_link *_link, struct in_addr _src_addr); -void GetFragmentPtr(struct alias_link *_link, char **_fptr); -void SetFragmentPtr(struct alias_link *_link, char *fptr); -void SetStateIn(struct alias_link *_link, int _state); -void SetStateOut(struct alias_link *_link, int _state); -int GetStateIn(struct alias_link *_link); -int GetStateOut(struct alias_link *_link); +int +FindNewPortGroup(struct libalias *la, struct in_addr _dst_addr, struct in_addr _alias_addr, + u_short _src_port, u_short _dst_port, u_short _port_count, + u_char _proto, u_char _align); +void GetFragmentAddr(struct alias_link *_link, struct in_addr *_src_addr); +void SetFragmentAddr(struct alias_link *_link, struct in_addr _src_addr); +void GetFragmentPtr(struct alias_link *_link, char **_fptr); +void SetFragmentPtr(struct alias_link *_link, char *fptr); +void SetStateIn(struct alias_link *_link, int _state); +void SetStateOut(struct alias_link *_link, int _state); +int GetStateIn (struct alias_link *_link); +int GetStateOut(struct alias_link *_link); struct in_addr - GetOriginalAddress(struct alias_link *_link); + GetOriginalAddress(struct alias_link *_link); struct in_addr - GetDestAddress(struct alias_link *_link); + GetDestAddress(struct alias_link *_link); struct in_addr - GetAliasAddress(struct alias_link *_link); + GetAliasAddress(struct alias_link *_link); struct in_addr - GetDefaultAliasAddress(struct libalias *la); -void SetDefaultAliasAddress(struct libalias *la, struct in_addr _alias_addr); -u_short GetOriginalPort(struct alias_link *_link); -u_short GetAliasPort(struct alias_link *_link); + GetDefaultAliasAddress(struct libalias *la); +void SetDefaultAliasAddress(struct libalias *la, struct in_addr _alias_addr); +u_short GetOriginalPort(struct alias_link *_link); +u_short GetAliasPort(struct alias_link *_link); struct in_addr - GetProxyAddress(struct alias_link *_link); -void SetProxyAddress(struct alias_link *_link, struct in_addr _addr); -u_short GetProxyPort(struct alias_link *_link); -void SetProxyPort(struct alias_link *_link, u_short _port); -void SetAckModified(struct alias_link *_link); -int GetAckModified(struct alias_link *_link); -int GetDeltaAckIn(struct ip *_pip, struct alias_link *_link); -int GetDeltaSeqOut(struct ip *_pip, struct alias_link *_link); -void AddSeq(struct ip *_pip, struct alias_link *_link, int _delta); -void SetExpire(struct alias_link *_link, int _expire); -void ClearCheckNewLink(struct libalias *la); -void SetProtocolFlags(struct alias_link *_link, int _pflags); -int GetProtocolFlags(struct alias_link *_link); -void SetDestCallId(struct alias_link *_link, u_int16_t _cid); + GetProxyAddress(struct alias_link *_link); +void SetProxyAddress(struct alias_link *_link, struct in_addr _addr); +u_short GetProxyPort(struct alias_link *_link); +void SetProxyPort(struct alias_link *_link, u_short _port); +void SetAckModified(struct alias_link *_link); +int GetAckModified(struct alias_link *_link); +int GetDeltaAckIn(struct ip *_pip, struct alias_link *_link); +int GetDeltaSeqOut(struct ip *_pip, struct alias_link *_link); +void AddSeq (struct ip *_pip, struct alias_link *_link, int _delta); +void SetExpire (struct alias_link *_link, int _expire); +void ClearCheckNewLink(struct libalias *la); +void SetProtocolFlags(struct alias_link *_link, int _pflags); +int GetProtocolFlags(struct alias_link *_link); +void SetDestCallId(struct alias_link *_link, u_int16_t _cid); + #ifndef NO_FW_PUNCH -void PunchFWHole(struct alias_link *_link); +void PunchFWHole(struct alias_link *_link); + #endif /* Housekeeping function */ -void HouseKeeping(struct libalias *); +void HouseKeeping(struct libalias *); /* Tcp specfic routines */ /* lint -save -library Suppress flexelint warnings */ /* FTP routines */ -void AliasHandleFtpOut(struct libalias *la, struct ip *_pip, struct alias_link *_link, - int _maxpacketsize); +void +AliasHandleFtpOut(struct libalias *la, struct ip *_pip, struct alias_link *_link, + int _maxpacketsize); /* IRC routines */ -void AliasHandleIrcOut(struct libalias *la, struct ip *_pip, struct alias_link *_link, - int _maxsize); +void +AliasHandleIrcOut(struct libalias *la, struct ip *_pip, struct alias_link *_link, + int _maxsize); /* RTSP routines */ -void AliasHandleRtspOut(struct libalias *la, struct ip *_pip, struct alias_link *_link, - int _maxpacketsize); +void +AliasHandleRtspOut(struct libalias *la, struct ip *_pip, struct alias_link *_link, + int _maxpacketsize); /* PPTP routines */ -void AliasHandlePptpOut(struct libalias *la, struct ip *_pip, struct alias_link *_link); -void AliasHandlePptpIn(struct libalias *la, struct ip *_pip, struct alias_link *_link); -int AliasHandlePptpGreOut(struct libalias *la, struct ip *_pip); -int AliasHandlePptpGreIn(struct libalias *la, struct ip *_pip); +void AliasHandlePptpOut(struct libalias *la, struct ip *_pip, struct alias_link *_link); +void AliasHandlePptpIn(struct libalias *la, struct ip *_pip, struct alias_link *_link); +int AliasHandlePptpGreOut(struct libalias *la, struct ip *_pip); +int AliasHandlePptpGreIn(struct libalias *la, struct ip *_pip); /* NetBIOS routines */ -int AliasHandleUdpNbt(struct libalias *la, struct ip *_pip, struct alias_link *_link, - struct in_addr *_alias_address, u_short _alias_port); -int AliasHandleUdpNbtNS(struct libalias *la, struct ip *_pip, struct alias_link *_link, - struct in_addr *_alias_address, u_short *_alias_port, - struct in_addr *_original_address, u_short *_original_port); +int +AliasHandleUdpNbt(struct libalias *la, struct ip *_pip, struct alias_link *_link, + struct in_addr *_alias_address, u_short _alias_port); +int +AliasHandleUdpNbtNS(struct libalias *la, struct ip *_pip, struct alias_link *_link, + struct in_addr *_alias_address, u_short * _alias_port, + struct in_addr *_original_address, u_short * _original_port); /* CUSeeMe routines */ -void AliasHandleCUSeeMeOut(struct libalias *la, struct ip *_pip, struct alias_link *_link); -void AliasHandleCUSeeMeIn(struct libalias *la, struct ip *_pip, struct in_addr _original_addr); +void AliasHandleCUSeeMeOut(struct libalias *la, struct ip *_pip, struct alias_link *_link); +void AliasHandleCUSeeMeIn(struct libalias *la, struct ip *_pip, struct in_addr _original_addr); /* Skinny routines */ -void AliasHandleSkinny(struct libalias *la, struct ip *_pip, struct alias_link *_link); +void AliasHandleSkinny(struct libalias *la, struct ip *_pip, struct alias_link *_link); /* Transparent proxy routines */ -int ProxyCheck(struct libalias *la, struct ip *_pip, struct in_addr *_proxy_server_addr, - u_short *_proxy_server_port); -void ProxyModify(struct libalias *la, struct alias_link *_link, struct ip *_pip, - int _maxpacketsize, int _proxy_type); +int +ProxyCheck(struct libalias *la, struct ip *_pip, struct in_addr *_proxy_server_addr, + u_short * _proxy_server_port); +void +ProxyModify(struct libalias *la, struct alias_link *_link, struct ip *_pip, + int _maxpacketsize, int _proxy_type); enum alias_tcp_state { ALIAS_TCP_STATE_NOT_CONNECTED, @@ -312,4 +327,4 @@ enum alias_tcp_state { /*lint -restore */ -#endif /* !_ALIAS_LOCAL_H_ */ +#endif /* !_ALIAS_LOCAL_H_ */ |
