1139823Simp/* 2133578Sharti * Copyright (C) 1993-2001 by Darren Reed. 3133578Sharti * 4133578Sharti * See the IPFILTER.LICENCE file for details on licencing. 5133578Sharti * 6133578Sharti * @(#)ip_fil.h 1.35 6/5/96 7133578Sharti * $Id: ip_scan.h,v 2.9.2.2 2006/07/14 06:12:19 darrenr Exp $ 8133578Sharti */ 9133578Sharti 10133578Sharti#ifndef __IP_SCAN_H__ 11133578Sharti#define __IP_SCAN_H__ 1 12133578Sharti 13133578Sharti#ifdef sun 14133578Sharti# include <sys/ioccom.h> 15133578Sharti#endif 16133578Sharti 17133578Sharti#define IPSCAN_NAME "/dev/ipscan" 18133578Sharti#define IPL_SCAN IPSCAN_NAME 19133578Sharti#define ISC_TLEN 16 20133578Sharti 21133578Sharti 22133578Shartistruct fr_info; 23133578Shartistruct frentry; 24133578Shartistruct ip; 25133578Shartistruct ipstate; 26133578Sharti 27133578Sharti 28133578Sharti#if defined(__STDC__) || defined(__GNUC__) || defined(_AIX51) 29133578Sharti# define SIOCADSCA _IOWR('r', 60, struct ipscan *) 30133578Sharti# define SIOCRMSCA _IOWR('r', 61, struct ipscan *) 31133578Sharti# define SIOCGSCST _IOWR('r', 62, struct ipscan *) 32133578Sharti#else 33133578Sharti# define SIOCADSCA _IOWR(r, 60, struct ipscan *) 34133578Sharti# define SIOCRMSCA _IOWR(r, 61, struct ipscan *) 35133578Sharti# define SIOCGSCST _IOWR(r, 62, struct ipscan *) 36133578Sharti#endif 37133578Sharti 38133578Shartistruct action { 39133578Sharti int act_val; /* what to do */ 40133578Sharti struct in_addr act_ip; /* redirect IP# */ 41133578Sharti u_short act_port; /* redirect port number */ 42133578Sharti int act_else; /* what to do */ 43133578Sharti struct in_addr act_eip; /* redirect IP# */ 44133578Sharti u_short act_eport; /* redirect port number */ 45133578Sharti}; 46133578Sharti 47133578Sharti 48133578Shartitypedef struct sinfo { 49133578Sharti char s_txt[ISC_TLEN]; /* text to match */ 50133578Sharti char s_msk[ISC_TLEN]; /* mask of the above to check */ 51133578Sharti int s_len; /* length of server text */ 52133578Sharti} sinfo_t; 53133578Sharti 54133578Sharti 55133578Shartitypedef struct ipscan { 56133578Sharti struct ipscan *ipsc_next; 57133578Sharti struct ipscan **ipsc_pnext; 58133578Sharti char ipsc_tag[ISC_TLEN]; /* table entry protocol tag */ 59133578Sharti sinfo_t ipsc_si[2]; /* client/server side information */ 60133578Sharti int ipsc_hits; /* times this has been matched */ 61133578Sharti int ipsc_active; /* # of active matches */ 62133578Sharti int ipsc_fref; /* # of references from filter rules */ 63133578Sharti int ipsc_sref; /* # of references from state entries */ 64133578Sharti struct action ipsc_act; 65133578Sharti} ipscan_t; 66133578Sharti 67133578Sharti 68133578Sharti#define ipsc_cl ipsc_si[0] 69133578Sharti#define ipsc_sl ipsc_si[1] 70133578Sharti#define ipsc_ctxt ipsc_cl.s_txt 71133578Sharti#define ipsc_cmsk ipsc_cl.s_msk 72133578Sharti#define ipsc_clen ipsc_cl.s_len 73133578Sharti#define ipsc_stxt ipsc_sl.s_txt 74133578Sharti#define ipsc_smsk ipsc_sl.s_msk 75133578Sharti#define ipsc_slen ipsc_sl.s_len 76133578Sharti#define ipsc_action ipsc_act.act_val 77133578Sharti#define ipsc_ip ipsc_act.act_ip 78133578Sharti#define ipsc_port ipsc_act.act_port 79133578Sharti#define ipsc_else ipsc_act.act_else 80133578Sharti#define ipsc_eip ipsc_act.act_eip 81133578Sharti#define ipsc_eport ipsc_act.act_eport 82133578Sharti 83133578Sharti#define ISC_A_NONE 0 84133578Sharti#define ISC_A_TRACK 1 85133578Sharti#define ISC_A_CLOSE 2 86133578Sharti#define ISC_A_REDIRECT 3 87133578Sharti 88133578Sharti 89133578Shartitypedef struct ipscanstat { 90133578Sharti struct ipscan *iscs_list; 91133578Sharti u_long iscs_acted; 92133578Sharti u_long iscs_else; 93133578Sharti int iscs_entries; 94133578Sharti} ipscanstat_t; 95133578Sharti 96133578Sharti 97133578Shartiextern int fr_scan_ioctl __P((caddr_t, ioctlcmd_t, int, int, void *)); 98133578Shartiextern int ipsc_init __P((void)); 99133578Shartiextern int ipsc_attachis __P((struct ipstate *)); 100133578Shartiextern int ipsc_attachfr __P((struct frentry *)); 101133578Shartiextern int ipsc_detachis __P((struct ipstate *)); 102133578Shartiextern int ipsc_detachfr __P((struct frentry *)); 103133578Shartiextern int ipsc_packet __P((struct fr_info *, struct ipstate *)); 104133578Shartiextern void fr_scanunload __P((void)); 105133578Sharti 106133578Sharti#endif /* __IP_SCAN_H__ */ 107133578Sharti