a9f484e520
(otherwise ppp's behavior remains unchanged) and documented by myself, Steve Sims, Nate Williams, Martin Renters and god-only-knows who else. :-) Submitted by: nate Obtained from: Charles Mott <cmott@srv.net>
95 lines
3.0 KiB
OpenEdge ABL
95 lines
3.0 KiB
OpenEdge ABL
/*
|
|
Alias.p contains the function prototypes for alias.c, alias_db.c,
|
|
alias_util.c and alias_ftp.c (as well as any future add-ons). It
|
|
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)
|
|
*/
|
|
|
|
#define NULL_PTR 0
|
|
|
|
/* General utilities */
|
|
u_short InternetChecksum(u_short *, int);
|
|
u_short IpChecksum(struct ip *);
|
|
u_short TcpChecksum(struct ip *);
|
|
|
|
/* Data access utilities */
|
|
int StartPoint(struct in_addr, u_short, int);
|
|
u_short GetNewPort();
|
|
int SeqDiff(u_long, u_long);
|
|
void ShowAliasStats();
|
|
|
|
/* Internal data access */
|
|
void CleanupAliasData();
|
|
void IncrementalCleanup();
|
|
char * FindLink1(struct in_addr, struct in_addr, u_short, u_short, int);
|
|
char * FindLink2(struct in_addr, u_short, u_short, int);
|
|
void DeleteLink(char *);
|
|
char * AddLink(struct in_addr, struct in_addr, u_short, u_short,
|
|
u_short, int);
|
|
|
|
/* External data search */
|
|
char * FindIcmpIn(struct in_addr, u_short, u_short);
|
|
char * FindIcmpOut(struct in_addr, struct in_addr, u_short, u_short);
|
|
char * FindFragmentIn1(struct in_addr);
|
|
char * FindFragmentIn2(struct in_addr);
|
|
char * FindUdpIn(struct in_addr, u_short, u_short);
|
|
char * FindUdpOut(struct in_addr, struct in_addr, u_short, u_short);
|
|
char * FindTcpIn(struct in_addr, u_short, u_short);
|
|
char * FindTcpOut(struct in_addr, struct in_addr, u_short, u_short);
|
|
|
|
/* External data access/modification */
|
|
void GetIcmpData(char *, u_short, u_short, u_long *);
|
|
void SetIcmpData(char *, u_short, u_short, u_long);
|
|
void GetFragmentAddr(char *, u_short, u_char, struct in_addr *);
|
|
void SetFragmentData(char *, u_short, u_char, struct in_addr);
|
|
void SetStateIn(char *, int);
|
|
void SetStateOut(char *, int);
|
|
int GetStateIn(char *);
|
|
int GetStateOut(char *);
|
|
struct in_addr GetOriginalAddress(char *);
|
|
struct in_addr GetDestAddress(char *);
|
|
struct in_addr GetAliasAddress();
|
|
u_short GetOriginalPort(char *);
|
|
u_short GetDestPort(char *);
|
|
u_short GetAliasPort(char *);
|
|
void SetAckModified(char *);
|
|
int GetAckModified(char *);
|
|
int GetDeltaAckIn(struct ip *, char *);
|
|
int GetDeltaSeqOut(struct ip *, char *);
|
|
void AddSeq(struct ip *, char *, int);
|
|
|
|
/* Tcp specfic routines */
|
|
void TcpMonitorIn(struct ip *, char *);
|
|
void TcpMonitorOut(struct ip *, char *);
|
|
void HandleFtpOut(struct ip *, char *);
|
|
void NewFtpPortCommand(struct ip *, char *, struct in_addr, u_short);
|
|
|
|
/* Protocal specific packet aliasing routines */
|
|
void IcmpAliasIn1(struct ip *);
|
|
void IcmpAliasIn2(struct ip *);
|
|
void IcmpAliasIn(struct ip *);
|
|
void IcmpAliasOut(struct ip *);
|
|
void IcmpAliasOut1(struct ip *);
|
|
void UdpAliasIn(struct ip *);
|
|
void UdpAliasOut(struct ip *);
|
|
void TcpAliasIn(struct ip *);
|
|
void TcpAliasOut(struct ip *);
|
|
|
|
/* Fragment handling */
|
|
void FragmentIn(struct ip *);
|
|
void FragmentOut(struct ip *);
|
|
|
|
/* Outside world interfaces */
|
|
void PacketAliasIn(struct ip *);
|
|
void PacketAliasOut(struct ip *);
|
|
void SetAliasAddress(struct in_addr);
|
|
void InitAlias();
|
|
void InitAliasLog();
|
|
|