diff options
Diffstat (limited to 'lib/libalias/alias_local.h')
| -rw-r--r-- | lib/libalias/alias_local.h | 300 |
1 files changed, 146 insertions, 154 deletions
diff --git a/lib/libalias/alias_local.h b/lib/libalias/alias_local.h index c4292e4..152406d 100644 --- a/lib/libalias/alias_local.h +++ b/lib/libalias/alias_local.h @@ -1,211 +1,203 @@ -/* -*- mode: c; tab-width: 3; c-basic-offset: 3; -*- - Alias_local.h contains the function prototypes for alias.c, - alias_db.c, alias_util.c and alias_ftp.c, alias_irc.c (as well - as any future add-ons). It also includes macros, globals and - struct definitions shared by more than one alias*.c file. - - This include file is intended to be used only within the aliasing - software. Outside world interfaces are defined in alias.h - - This software is placed into the public domain with no restrictions - on its distribution. - - Initial version: August, 1996 (cjm) - - <updated several times by original author and Eivind Eklund> - - $FreeBSD$ -*/ -#ifndef ALIAS_LOCAL_H -#define ALIAS_LOCAL_H - -#ifndef NULL -#define NULL 0 -#endif - /* - Macros + * Alias_local.h contains the function prototypes for alias.c, + * alias_db.c, alias_util.c and alias_ftp.c, alias_irc.c (as well + * as any future add-ons). It also includes macros, globals and + * struct definitions shared by more than one alias*.c file. + * + * This include file is intended to be used only within the aliasing + * software. Outside world interfaces are defined in alias.h + * + * This software is placed into the public domain with no restrictions + * on its distribution. + * + * Initial version: August, 1996 (cjm) + * + * <updated several times by original author and Eivind Eklund> + * + * $FreeBSD$ */ -/* - The following macro is used to update an - internet checksum. "delta" is a 32-bit - accumulation of all the changes to the - checksum (adding in new 16-bit words and - subtracting out old words), and "cksum" - is the checksum value to be updated. -*/ -#define ADJUST_CHECKSUM(acc, cksum) { \ - acc += cksum; \ - if (acc < 0) \ - { \ - acc = -acc; \ - acc = (acc >> 16) + (acc & 0xffff); \ - acc += acc >> 16; \ - cksum = (u_short) ~acc; \ - } \ - else \ - { \ - acc = (acc >> 16) + (acc & 0xffff); \ - acc += acc >> 16; \ - cksum = (u_short) acc; \ - } \ -} +#ifndef _ALIAS_LOCAL_H_ +#define _ALIAS_LOCAL_H_ +/* Macros */ /* - Globals -*/ + * The following macro is used to update an + * internet checksum. "delta" is a 32-bit + * accumulation of all the changes to the + * checksum (adding in new 16-bit words and + * subtracting out old words), and "cksum" + * is the checksum value to be updated. + */ +#define ADJUST_CHECKSUM(acc, cksum) \ + do { \ + acc += cksum; \ + if (acc < 0) { \ + acc = -acc; \ + acc = (acc >> 16) + (acc & 0xffff); \ + acc += acc >> 16; \ + cksum = (u_short) ~acc; \ + } else { \ + acc = (acc >> 16) + (acc & 0xffff); \ + acc += acc >> 16; \ + cksum = (u_short) acc; \ + } \ + } while (0) + +/* Globals */ extern int packetAliasMode; - -/* - Structs -*/ - -struct alias_link; /* Incomplete structure */ - - -/* - Prototypes -*/ +/* Prototypes */ /* General utilities */ -u_short IpChecksum(struct ip *); -u_short TcpChecksum(struct ip *); -void DifferentialChecksum(u_short *, u_short *, u_short *, int); +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 in_addr, struct in_addr, u_short, int); - + FindIcmpIn(struct in_addr _dst_addr, struct in_addr _alias_addr, + u_short _id_alias, int _create); struct alias_link * -FindIcmpOut(struct in_addr, struct in_addr, u_short, int); - + FindIcmpOut(struct in_addr _src_addr, struct in_addr _dst_addr, + u_short _id, int _create); struct alias_link * -FindFragmentIn1(struct in_addr, struct in_addr, u_short); - + FindFragmentIn1(struct in_addr _dst_addr, struct in_addr _alias_addr, + u_short _ip_id); struct alias_link * -FindFragmentIn2(struct in_addr, struct in_addr, u_short); - + FindFragmentIn2(struct in_addr _dst_addr, struct in_addr _alias_addr, + u_short _ip_id); struct alias_link * -AddFragmentPtrLink(struct in_addr, u_short); - + AddFragmentPtrLink(struct in_addr _dst_addr, u_short _ip_id); struct alias_link * -FindFragmentPtr(struct in_addr, u_short); - + FindFragmentPtr(struct in_addr _dst_addr, u_short _ip_id); struct alias_link * -FindProtoIn(struct in_addr, struct in_addr, u_char); - + FindProtoIn(struct in_addr _dst_addr, struct in_addr _alias_addr, + u_char _proto); struct alias_link * -FindProtoOut(struct in_addr, struct in_addr, u_char); - + FindProtoOut(struct in_addr _src_addr, struct in_addr _dst_addr, + u_char _proto); struct alias_link * -FindUdpTcpIn (struct in_addr, struct in_addr, u_short, u_short, u_char, int); - + FindUdpTcpIn(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 in_addr, struct in_addr, u_short, u_short, u_char, int); - + FindUdpTcpOut(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 in_addr, struct in_addr, struct in_addr, u_int16_t); - + AddPptp(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 in_addr, struct in_addr, u_int16_t); - + FindPptpOutByCallId(struct in_addr _src_addr, + struct in_addr _dst_addr, u_int16_t _src_call_id); struct alias_link * -FindPptpInByCallId(struct in_addr, struct in_addr, u_int16_t); - + FindPptpInByCallId(struct in_addr _dst_addr, + struct in_addr _alias_addr, u_int16_t _dst_call_id); struct alias_link * -FindPptpOutByPeerCallId(struct in_addr, struct in_addr, u_int16_t); - + FindPptpOutByPeerCallId(struct in_addr _src_addr, + struct in_addr _dst_addr, u_int16_t _dst_call_id); struct alias_link * -FindPptpInByPeerCallId(struct in_addr, struct in_addr, u_int16_t); - + FindPptpInByPeerCallId(struct in_addr _dst_addr, + struct in_addr _alias_addr, u_int16_t _alias_call_id); struct alias_link * -FindRtspOut(struct in_addr, struct in_addr, u_short, u_short, u_char); - + FindRtspOut(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 in_addr); - + FindOriginalAddress(struct in_addr _alias_addr); struct in_addr -FindAliasAddress(struct in_addr); + FindAliasAddress(struct in_addr _original_addr); /* External data access/modification */ -int FindNewPortGroup(struct in_addr, struct in_addr, - u_short, u_short, u_short, u_char, u_char); -void GetFragmentAddr(struct alias_link *, struct in_addr *); -void SetFragmentAddr(struct alias_link *, struct in_addr); -void GetFragmentPtr(struct alias_link *, char **); -void SetFragmentPtr(struct alias_link *, char *); -void SetStateIn(struct alias_link *, int); -void SetStateOut(struct alias_link *, int); -int GetStateIn(struct alias_link *); -int GetStateOut(struct alias_link *); -struct in_addr GetOriginalAddress(struct alias_link *); -struct in_addr GetDestAddress(struct alias_link *); -struct in_addr GetAliasAddress(struct alias_link *); -struct in_addr GetDefaultAliasAddress(void); -void SetDefaultAliasAddress(struct in_addr); -u_short GetOriginalPort(struct alias_link *); -u_short GetAliasPort(struct alias_link *); -struct in_addr GetProxyAddress(struct alias_link *); -void SetProxyAddress(struct alias_link *, struct in_addr); -u_short GetProxyPort(struct alias_link *); -void SetProxyPort(struct alias_link *, u_short); -void SetAckModified(struct alias_link *); -int GetAckModified(struct alias_link *); -int GetDeltaAckIn(struct ip *, struct alias_link *); -int GetDeltaSeqOut(struct ip *, struct alias_link *); -void AddSeq(struct ip *, struct alias_link *, int); -void SetExpire(struct alias_link *, int); -void ClearCheckNewLink(void); -void SetLastLineCrlfTermed(struct alias_link *, int); -int GetLastLineCrlfTermed(struct alias_link *); -void SetDestCallId(struct alias_link *, u_int16_t); +int FindNewPortGroup(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); +struct in_addr + GetDestAddress(struct alias_link *_link); +struct in_addr + GetAliasAddress(struct alias_link *_link); +struct in_addr + GetDefaultAliasAddress(void); +void SetDefaultAliasAddress(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(void); +void SetLastLineCrlfTermed(struct alias_link *_link, int _yes); +int GetLastLineCrlfTermed(struct alias_link *_link); +void SetDestCallId(struct alias_link *_link, u_int16_t _cid); #ifndef NO_FW_PUNCH -void PunchFWHole(struct alias_link *); +void PunchFWHole(struct alias_link *_link); #endif - /* Housekeeping function */ -void HouseKeeping(void); +void HouseKeeping(void); /* Tcp specfic routines */ -/*lint -save -library Suppress flexelint warnings */ +/* lint -save -library Suppress flexelint warnings */ /* FTP routines */ -void AliasHandleFtpOut(struct ip *, struct alias_link *, int); +void AliasHandleFtpOut(struct ip *_pip, struct alias_link *_link, + int _maxpacketsize); /* IRC routines */ -void AliasHandleIrcOut(struct ip *, struct alias_link *, int); +void AliasHandleIrcOut(struct ip *_pip, struct alias_link *_link, + int _maxsize); /* RTSP routines */ -void AliasHandleRtspOut(struct ip *, struct alias_link *, int); +void AliasHandleRtspOut(struct ip *_pip, struct alias_link *_link, + int _maxpacketsize); /* PPTP routines */ -void AliasHandlePptpOut(struct ip *, struct alias_link *); -void AliasHandlePptpIn(struct ip *, struct alias_link *); -int AliasHandlePptpGreOut(struct ip *); -int AliasHandlePptpGreIn(struct ip *); +void AliasHandlePptpOut(struct ip *_pip, struct alias_link *_link); +void AliasHandlePptpIn(struct ip *_pip, struct alias_link *_link); +int AliasHandlePptpGreOut(struct ip *_pip); +int AliasHandlePptpGreIn(struct ip *_pip); /* NetBIOS routines */ -int AliasHandleUdpNbt(struct ip *, struct alias_link *, struct in_addr *, u_short); -int AliasHandleUdpNbtNS(struct ip *, struct alias_link *, struct in_addr *, u_short *, struct in_addr *, u_short *); +int AliasHandleUdpNbt(struct ip *_pip, struct alias_link *_link, + struct in_addr *_alias_address, u_short _alias_port); +int AliasHandleUdpNbtNS(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 ip *, struct alias_link *); -void AliasHandleCUSeeMeIn(struct ip *, struct in_addr); +void AliasHandleCUSeeMeOut(struct ip *_pip, struct alias_link *_link); +void AliasHandleCUSeeMeIn(struct ip *_pip, struct in_addr _original_addr); /* Transparent proxy routines */ -int ProxyCheck(struct ip *, struct in_addr *, u_short *); -void ProxyModify(struct alias_link *, struct ip *, int, int); - +int ProxyCheck(struct ip *_pip, struct in_addr *_proxy_server_addr, + u_short *_proxy_server_port); +void ProxyModify(struct alias_link *_link, struct ip *_pip, + int _maxpacketsize, int _proxy_type); enum alias_tcp_state { - ALIAS_TCP_STATE_NOT_CONNECTED, - ALIAS_TCP_STATE_CONNECTED, - ALIAS_TCP_STATE_DISCONNECTED + ALIAS_TCP_STATE_NOT_CONNECTED, + ALIAS_TCP_STATE_CONNECTED, + ALIAS_TCP_STATE_DISCONNECTED }; + /*lint -restore */ -#endif /* defined(ALIAS_LOCAL_H) */ + +#endif /* !_ALIAS_LOCAL_H_ */ |
