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Data Structures
struct	ack_data_record

struct	tcp_state

struct	tcp_dat

struct	server

struct	alias_link

Macros
#define	ICMP_EXPIRE_TIME 60

#define	UDP_EXPIRE_TIME 60

#define	PROTO_EXPIRE_TIME 60

#define	FRAGMENT_ID_EXPIRE_TIME 10

#define	FRAGMENT_PTR_EXPIRE_TIME 30

#define	TCP_EXPIRE_DEAD 10

#define	TCP_EXPIRE_SINGLEDEAD 90

#define	TCP_EXPIRE_INITIAL 300

#define	TCP_EXPIRE_CONNECTED 86400

#define	NO_DEST_PORT 1

#define	NO_SRC_PORT 1

#define	N_LINK_TCP_DATA 3

#define	LINK_ICMP IPPROTO_ICMP

#define	LINK_UDP IPPROTO_UDP

#define	LINK_TCP IPPROTO_TCP

#define	LINK_FRAGMENT_ID (IPPROTO_MAX + 1)

#define	LINK_FRAGMENT_PTR (IPPROTO_MAX + 2)

#define	LINK_ADDR (IPPROTO_MAX + 3)

#define	LINK_PPTP (IPPROTO_MAX + 4)

#define	LINK_UNKNOWN_DEST_PORT 0x01

#define	LINK_UNKNOWN_DEST_ADDR 0x02

#define	LINK_PERMANENT 0x04

#define	LINK_PARTIALLY_SPECIFIED 0x03 /* logical-or of first two bits */

#define	LINK_UNFIREWALLED 0x08

#define	GET_NEW_PORT_MAX_ATTEMPTS 20

#define	fw_setfield(la, field, num)

#define	fw_clrfield(la, field, num)

#define	fw_tstfield(la, field, num) ((field)[(num) - la->fireWallBaseNum])

Functions
static void	finishoff (void)

static struct group_in *	StartPointIn (struct libalias *, struct in_addr, u_short, int, int)

static int	SeqDiff (u_long, u_long)

static void	InitPunchFW (struct libalias *)

static void	UninitPunchFW (struct libalias *)

static void	ClearFWHole (struct alias_link *)

static void	ShowAliasStats (struct libalias *)

static int	InitPacketAliasLog (struct libalias *)

static void	UninitPacketAliasLog (struct libalias *)

void	SctpShowAliasStats (struct libalias *la)

static int	cmp_out (struct alias_link a, struct alias_link b)

	SPLAY_PROTOTYPE (splay_out, alias_link, all.out, cmp_out)

static int	cmp_in (struct group_in a, struct group_in b)

	SPLAY_PROTOTYPE (splay_in, group_in, in, cmp_in)

static int	GetNewPort (struct libalias , struct alias_link , int)

static u_short	GetSocket (struct libalias , u_short, int , int)

static void	CleanupAliasData (struct libalias *, int)

static void	CleanupLink (struct libalias , struct alias_link *, int)

static void	DeleteLink (struct alias_link **, int)

static struct alias_link *	UseLink (struct libalias , struct alias_link )

static struct alias_link *	ReLink (struct alias_link *, struct in_addr, struct in_addr, struct in_addr, u_short, u_short, int, int, int)

static struct alias_link *	FindLinkOut (struct libalias *, struct in_addr, struct in_addr, u_short, u_short, int, int)

static struct alias_link *	FindLinkIn (struct libalias *, struct in_addr, struct in_addr, u_short, u_short, int, int)

static u_short	_RandomPort (struct libalias *la)

static void	ClearAllFWHoles (struct libalias *la)

Variables
static struct in_addr const	ANY_ADDR = { INADDR_ANY }

Macro Definition Documentation

◆ FRAGMENT_ID_EXPIRE_TIME

#define FRAGMENT_ID_EXPIRE_TIME 10

Definition at line 156 of file alias_db.h.

◆ FRAGMENT_PTR_EXPIRE_TIME

#define FRAGMENT_PTR_EXPIRE_TIME 30

Definition at line 157 of file alias_db.h.

◆ fw_clrfield

#define fw_clrfield	(	la,
		field,
		num
	)

Value:

do {                                                    \
    (field)[(num) - la->fireWallBaseNum] = 0;           \
} /*lint -save -e717 */ while(0)/* lint -restore */

Definition at line 434 of file alias_db.h.

◆ fw_setfield

#define fw_setfield	(	la,
		field,
		num
	)

Value:

do {                                            \
    (field)[(num) - la->fireWallBaseNum] = 1;           \
} /*lint -save -e717 */ while(0)/* lint -restore */

Definition at line 429 of file alias_db.h.

◆ fw_tstfield

#define fw_tstfield	(	la,
		field,
		num
	)	((field)[(num) - la->fireWallBaseNum])

Definition at line 439 of file alias_db.h.

◆ GET_NEW_PORT_MAX_ATTEMPTS

#define GET_NEW_PORT_MAX_ATTEMPTS 20

Definition at line 422 of file alias_db.h.

◆ ICMP_EXPIRE_TIME

#define ICMP_EXPIRE_TIME 60

Definition at line 153 of file alias_db.h.

◆ LINK_ADDR

#define LINK_ADDR (IPPROTO_MAX + 3)

Definition at line 274 of file alias_db.h.

◆ LINK_FRAGMENT_ID

#define LINK_FRAGMENT_ID (IPPROTO_MAX + 1)

Definition at line 272 of file alias_db.h.

◆ LINK_FRAGMENT_PTR

#define LINK_FRAGMENT_PTR (IPPROTO_MAX + 2)

Definition at line 273 of file alias_db.h.

◆ LINK_ICMP

#define LINK_ICMP IPPROTO_ICMP

Definition at line 269 of file alias_db.h.

◆ LINK_PARTIALLY_SPECIFIED

#define LINK_PARTIALLY_SPECIFIED 0x03 /* logical-or of first two bits */

Definition at line 283 of file alias_db.h.

◆ LINK_PERMANENT

#define LINK_PERMANENT 0x04

Definition at line 282 of file alias_db.h.

◆ LINK_PPTP

#define LINK_PPTP (IPPROTO_MAX + 4)

Definition at line 275 of file alias_db.h.

◆ LINK_TCP

#define LINK_TCP IPPROTO_TCP

Definition at line 271 of file alias_db.h.

◆ LINK_UDP

#define LINK_UDP IPPROTO_UDP

Definition at line 270 of file alias_db.h.

◆ LINK_UNFIREWALLED

#define LINK_UNFIREWALLED 0x08

Definition at line 284 of file alias_db.h.

◆ LINK_UNKNOWN_DEST_ADDR

#define LINK_UNKNOWN_DEST_ADDR 0x02

Definition at line 281 of file alias_db.h.

◆ LINK_UNKNOWN_DEST_PORT

#define LINK_UNKNOWN_DEST_PORT 0x01

Definition at line 280 of file alias_db.h.

◆ N_LINK_TCP_DATA

#define N_LINK_TCP_DATA 3

Definition at line 238 of file alias_db.h.

◆ NO_DEST_PORT

#define NO_DEST_PORT 1

Definition at line 186 of file alias_db.h.

◆ NO_SRC_PORT

#define NO_SRC_PORT 1

Definition at line 187 of file alias_db.h.

◆ PROTO_EXPIRE_TIME

#define PROTO_EXPIRE_TIME 60

Definition at line 155 of file alias_db.h.

◆ TCP_EXPIRE_CONNECTED

#define TCP_EXPIRE_CONNECTED 86400

Definition at line 179 of file alias_db.h.

◆ TCP_EXPIRE_DEAD

#define TCP_EXPIRE_DEAD 10

Definition at line 163 of file alias_db.h.

◆ TCP_EXPIRE_INITIAL

#define TCP_EXPIRE_INITIAL 300

Definition at line 174 of file alias_db.h.

◆ TCP_EXPIRE_SINGLEDEAD

#define TCP_EXPIRE_SINGLEDEAD 90

Definition at line 169 of file alias_db.h.

◆ UDP_EXPIRE_TIME

#define UDP_EXPIRE_TIME 60

Definition at line 154 of file alias_db.h.

Function Documentation

◆ _RandomPort()

static u_short _RandomPort ( struct libalias * la )

static

◆ CleanupAliasData()

static void CleanupAliasData	(	struct libalias *	,
		int
	)

static

◆ CleanupLink()

static void CleanupLink	(	struct libalias *	,
		struct alias_link **	,
		int
	)

static

◆ ClearAllFWHoles()

static void ClearAllFWHoles ( struct libalias * la )

static

◆ ClearFWHole()

static void ClearFWHole ( struct alias_link * )

static

◆ cmp_in()

static int cmp_in	(	struct group_in *	a,
		struct group_in *	b
	)

inlinestatic

Definition at line 366 of file alias_db.h.

References group_in::alias_addr, group_in::alias_port, group_in::link_type, and in_addr::s_addr.

◆ cmp_out()

static int cmp_out	(	struct alias_link *	a,
		struct alias_link *	b
	)

inlinestatic

Definition at line 351 of file alias_db.h.

References alias_link::dst_addr, alias_link::dst_port, alias_link::link_type, in_addr::s_addr, alias_link::src_addr, and alias_link::src_port.

◆ DeleteLink()

static void DeleteLink	(	struct alias_link **	,
		int
	)

static

◆ FindLinkIn()

static struct alias_link * FindLinkIn	(	struct libalias *	,
		struct in_addr	,
		struct in_addr	,
		u_short	,
		u_short	,
		int	,
		int
	)

static

◆ FindLinkOut()

static struct alias_link * FindLinkOut	(	struct libalias *	,
		struct in_addr	,
		struct in_addr	,
		u_short	,
		u_short	,
		int	,
		int
	)

static

◆ finishoff()

static void finishoff ( void )

static

◆ GetNewPort()

static int GetNewPort	(	struct libalias *	,
		struct alias_link *	,
		int
	)

static

◆ GetSocket()

static u_short GetSocket	(	struct libalias *	,
		u_short	,
		int *	,
		int
	)

static

◆ InitPacketAliasLog()

static int InitPacketAliasLog ( struct libalias * )

static

◆ InitPunchFW()

static void InitPunchFW ( struct libalias * )

static

◆ ReLink()

static struct alias_link * ReLink	(	struct alias_link *	,
		struct in_addr	,
		struct in_addr	,
		struct in_addr	,
		u_short	,
		u_short	,
		int	,
		int	,
		int
	)

static

◆ SctpShowAliasStats()

void SctpShowAliasStats ( struct libalias * la )

Definition at line 185 of file alias_db.c.

◆ SeqDiff()

static int SeqDiff	(	u_long	,
		u_long
	)

static

◆ ShowAliasStats()

static void ShowAliasStats ( struct libalias * )

static

◆ SPLAY_PROTOTYPE() [1/2]

SPLAY_PROTOTYPE	(	splay_in	,
		group_in	,
		in	,
		cmp_in
	)

◆ SPLAY_PROTOTYPE() [2/2]

SPLAY_PROTOTYPE	(	splay_out	,
		alias_link	,
		all.	out,
		cmp_out
	)

◆ StartPointIn()

static struct group_in * StartPointIn	(	struct libalias *	,
		struct in_addr	,
		u_short	,
		int	,
		int
	)

static

◆ UninitPacketAliasLog()

static void UninitPacketAliasLog ( struct libalias * )

static

◆ UninitPunchFW()

static void UninitPunchFW ( struct libalias * )

static

◆ UseLink()

static struct alias_link * UseLink	(	struct libalias *	,
		struct alias_link *
	)

static

Variable Documentation

◆ ANY_ADDR

struct in_addr const ANY_ADDR = { INADDR_ANY }

static

Definition at line 190 of file alias_db.h.

Referenced by _FindLinkOut(), AddFragmentPtrLink(), FindAliasAddress(), FindFragmentIn1(), FindFragmentPtr(), FindLinkIn(), FindLinkOut(), FindOriginalAddress(), and LibAliasRedirectAddr().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ FRAGMENT_ID_EXPIRE_TIME

◆ FRAGMENT_PTR_EXPIRE_TIME

◆ fw_clrfield

◆ fw_setfield

◆ fw_tstfield

◆ GET_NEW_PORT_MAX_ATTEMPTS

◆ ICMP_EXPIRE_TIME

◆ LINK_ADDR

◆ LINK_FRAGMENT_ID

◆ LINK_FRAGMENT_PTR

◆ LINK_ICMP

◆ LINK_PARTIALLY_SPECIFIED

◆ LINK_PERMANENT

◆ LINK_PPTP

◆ LINK_TCP

◆ LINK_UDP

◆ LINK_UNFIREWALLED

◆ LINK_UNKNOWN_DEST_ADDR

◆ LINK_UNKNOWN_DEST_PORT

◆ N_LINK_TCP_DATA

◆ NO_DEST_PORT

◆ NO_SRC_PORT

◆ PROTO_EXPIRE_TIME

◆ TCP_EXPIRE_CONNECTED

◆ TCP_EXPIRE_DEAD

◆ TCP_EXPIRE_INITIAL

◆ TCP_EXPIRE_SINGLEDEAD

◆ UDP_EXPIRE_TIME

Function Documentation

◆ _RandomPort()

◆ CleanupAliasData()

◆ CleanupLink()

◆ ClearAllFWHoles()

◆ ClearFWHole()

◆ cmp_in()

◆ cmp_out()

◆ DeleteLink()

◆ FindLinkIn()

◆ FindLinkOut()

◆ finishoff()

◆ GetNewPort()

◆ GetSocket()

◆ InitPacketAliasLog()

◆ InitPunchFW()

◆ ReLink()

◆ SctpShowAliasStats()

◆ SeqDiff()

◆ ShowAliasStats()

◆ SPLAY_PROTOTYPE() [1/2]

◆ SPLAY_PROTOTYPE() [2/2]

◆ StartPointIn()

◆ UninitPacketAliasLog()

◆ UninitPunchFW()

◆ UseLink()

Variable Documentation

◆ ANY_ADDR