107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/*
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* Copyright (C) 2012 by Darren Reed.
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*
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* See the IPFILTER.LICENCE file for details on licencing.
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*
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* @(#)ip_fil.h 1.35 6/5/96
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* $Id$
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*/
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#ifndef __IP_SCAN_H__
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#define __IP_SCAN_H__ 1
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#ifdef sun
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# include <sys/ioccom.h>
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#endif
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#define IPSCAN_NAME "/dev/ipscan"
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#define IPL_SCAN IPSCAN_NAME
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#define ISC_TLEN 16
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struct fr_info;
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struct frentry;
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struct ip;
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struct ipstate;
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#if defined(__STDC__) || defined(__GNUC__) || defined(_AIX51)
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# define SIOCADSCA _IOWR('r', 60, struct ipscan *)
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# define SIOCRMSCA _IOWR('r', 61, struct ipscan *)
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# define SIOCGSCST _IOWR('r', 62, struct ipscan *)
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#else
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# define SIOCADSCA _IOWR(r, 60, struct ipscan *)
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# define SIOCRMSCA _IOWR(r, 61, struct ipscan *)
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# define SIOCGSCST _IOWR(r, 62, struct ipscan *)
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#endif
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struct action {
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int act_val; /* what to do */
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struct in_addr act_ip; /* redirect IP# */
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u_short act_port; /* redirect port number */
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int act_else; /* what to do */
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struct in_addr act_eip; /* redirect IP# */
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u_short act_eport; /* redirect port number */
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};
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typedef struct sinfo {
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char s_txt[ISC_TLEN]; /* text to match */
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char s_msk[ISC_TLEN]; /* mask of the above to check */
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int s_len; /* length of server text */
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} sinfo_t;
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typedef struct ipscan {
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struct ipscan *ipsc_next;
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struct ipscan **ipsc_pnext;
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char ipsc_tag[ISC_TLEN]; /* table entry protocol tag */
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sinfo_t ipsc_si[2]; /* client/server side information */
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int ipsc_hits; /* times this has been matched */
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int ipsc_active; /* # of active matches */
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int ipsc_fref; /* # of references from filter rules */
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int ipsc_sref; /* # of references from state entries */
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struct action ipsc_act;
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} ipscan_t;
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#define ipsc_cl ipsc_si[0]
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#define ipsc_sl ipsc_si[1]
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#define ipsc_ctxt ipsc_cl.s_txt
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#define ipsc_cmsk ipsc_cl.s_msk
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#define ipsc_clen ipsc_cl.s_len
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#define ipsc_stxt ipsc_sl.s_txt
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#define ipsc_smsk ipsc_sl.s_msk
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#define ipsc_slen ipsc_sl.s_len
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#define ipsc_action ipsc_act.act_val
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#define ipsc_ip ipsc_act.act_ip
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#define ipsc_port ipsc_act.act_port
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#define ipsc_else ipsc_act.act_else
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#define ipsc_eip ipsc_act.act_eip
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#define ipsc_eport ipsc_act.act_eport
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#define ISC_A_NONE 0
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#define ISC_A_TRACK 1
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#define ISC_A_CLOSE 2
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#define ISC_A_REDIRECT 3
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typedef struct ipscanstat {
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struct ipscan *iscs_list;
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u_long iscs_acted;
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u_long iscs_else;
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int iscs_entries;
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} ipscanstat_t;
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extern int ipf_scan_ioctl __P((ipf_main_softc_t *, caddr_t, ioctlcmd_t, int, int, void *));
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extern int ipf_scan_init __P((void));
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extern int ipf_scan_attachis __P((struct ipstate *));
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extern int ipf_scan_attachfr __P((struct frentry *));
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extern int ipf_scan_detachis __P((struct ipstate *));
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extern int ipf_scan_detachfr __P((struct frentry *));
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extern int ipf_scan_packet __P((struct fr_info *, struct ipstate *));
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extern void ipf_scan_unload __P((ipf_main_softc_t *));
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#endif /* __IP_SCAN_H__ */
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