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ip_scan.h (302408) ip_scan.h (369186)
1/*
2 * Copyright (C) 2012 by Darren Reed.
3 *
4 * See the IPFILTER.LICENCE file for details on licencing.
5 *
6 * @(#)ip_fil.h 1.35 6/5/96
7 * $Id$
8 */
9
10#ifndef __IP_SCAN_H__
11#define __IP_SCAN_H__ 1
12
13#ifdef sun
14# include <sys/ioccom.h>
15#endif
16
17#define IPSCAN_NAME "/dev/ipscan"
18#define IPL_SCAN IPSCAN_NAME
19#define ISC_TLEN 16
20
21
22struct fr_info;
23struct frentry;
24struct ip;
25struct ipstate;
26
27
1/*
2 * Copyright (C) 2012 by Darren Reed.
3 *
4 * See the IPFILTER.LICENCE file for details on licencing.
5 *
6 * @(#)ip_fil.h 1.35 6/5/96
7 * $Id$
8 */
9
10#ifndef __IP_SCAN_H__
11#define __IP_SCAN_H__ 1
12
13#ifdef sun
14# include <sys/ioccom.h>
15#endif
16
17#define IPSCAN_NAME "/dev/ipscan"
18#define IPL_SCAN IPSCAN_NAME
19#define ISC_TLEN 16
20
21
22struct fr_info;
23struct frentry;
24struct ip;
25struct ipstate;
26
27
28#if defined(__STDC__) || defined(__GNUC__) || defined(_AIX51)
29# define SIOCADSCA _IOWR('r', 60, struct ipscan *)
30# define SIOCRMSCA _IOWR('r', 61, struct ipscan *)
31# define SIOCGSCST _IOWR('r', 62, struct ipscan *)
28# define SIOCADSCA _IOWR('r', 60, struct ipscan *)
29# define SIOCRMSCA _IOWR('r', 61, struct ipscan *)
30# define SIOCGSCST _IOWR('r', 62, struct ipscan *)
32#else
33# define SIOCADSCA _IOWR(r, 60, struct ipscan *)
34# define SIOCRMSCA _IOWR(r, 61, struct ipscan *)
35# define SIOCGSCST _IOWR(r, 62, struct ipscan *)
36#endif
37
38struct action {
39 int act_val; /* what to do */
40 struct in_addr act_ip; /* redirect IP# */
41 u_short act_port; /* redirect port number */
42 int act_else; /* what to do */
43 struct in_addr act_eip; /* redirect IP# */
44 u_short act_eport; /* redirect port number */
45};
46
47
48typedef struct sinfo {
49 char s_txt[ISC_TLEN]; /* text to match */
50 char s_msk[ISC_TLEN]; /* mask of the above to check */
51 int s_len; /* length of server text */
52} sinfo_t;
53
54
55typedef struct ipscan {
56 struct ipscan *ipsc_next;
57 struct ipscan **ipsc_pnext;
58 char ipsc_tag[ISC_TLEN]; /* table entry protocol tag */
59 sinfo_t ipsc_si[2]; /* client/server side information */
60 int ipsc_hits; /* times this has been matched */
61 int ipsc_active; /* # of active matches */
62 int ipsc_fref; /* # of references from filter rules */
63 int ipsc_sref; /* # of references from state entries */
64 struct action ipsc_act;
65} ipscan_t;
66
67
68#define ipsc_cl ipsc_si[0]
69#define ipsc_sl ipsc_si[1]
70#define ipsc_ctxt ipsc_cl.s_txt
71#define ipsc_cmsk ipsc_cl.s_msk
72#define ipsc_clen ipsc_cl.s_len
73#define ipsc_stxt ipsc_sl.s_txt
74#define ipsc_smsk ipsc_sl.s_msk
75#define ipsc_slen ipsc_sl.s_len
76#define ipsc_action ipsc_act.act_val
77#define ipsc_ip ipsc_act.act_ip
78#define ipsc_port ipsc_act.act_port
79#define ipsc_else ipsc_act.act_else
80#define ipsc_eip ipsc_act.act_eip
81#define ipsc_eport ipsc_act.act_eport
82
83#define ISC_A_NONE 0
84#define ISC_A_TRACK 1
85#define ISC_A_CLOSE 2
86#define ISC_A_REDIRECT 3
87
88
89typedef struct ipscanstat {
90 struct ipscan *iscs_list;
91 u_long iscs_acted;
92 u_long iscs_else;
93 int iscs_entries;
94} ipscanstat_t;
95
96
97extern int ipf_scan_ioctl __P((ipf_main_softc_t *, caddr_t, ioctlcmd_t, int, int, void *));
98extern int ipf_scan_init __P((void));
99extern int ipf_scan_attachis __P((struct ipstate *));
100extern int ipf_scan_attachfr __P((struct frentry *));
101extern int ipf_scan_detachis __P((struct ipstate *));
102extern int ipf_scan_detachfr __P((struct frentry *));
103extern int ipf_scan_packet __P((struct fr_info *, struct ipstate *));
104extern void ipf_scan_unload __P((ipf_main_softc_t *));
105
106#endif /* __IP_SCAN_H__ */
31
32struct action {
33 int act_val; /* what to do */
34 struct in_addr act_ip; /* redirect IP# */
35 u_short act_port; /* redirect port number */
36 int act_else; /* what to do */
37 struct in_addr act_eip; /* redirect IP# */
38 u_short act_eport; /* redirect port number */
39};
40
41
42typedef struct sinfo {
43 char s_txt[ISC_TLEN]; /* text to match */
44 char s_msk[ISC_TLEN]; /* mask of the above to check */
45 int s_len; /* length of server text */
46} sinfo_t;
47
48
49typedef struct ipscan {
50 struct ipscan *ipsc_next;
51 struct ipscan **ipsc_pnext;
52 char ipsc_tag[ISC_TLEN]; /* table entry protocol tag */
53 sinfo_t ipsc_si[2]; /* client/server side information */
54 int ipsc_hits; /* times this has been matched */
55 int ipsc_active; /* # of active matches */
56 int ipsc_fref; /* # of references from filter rules */
57 int ipsc_sref; /* # of references from state entries */
58 struct action ipsc_act;
59} ipscan_t;
60
61
62#define ipsc_cl ipsc_si[0]
63#define ipsc_sl ipsc_si[1]
64#define ipsc_ctxt ipsc_cl.s_txt
65#define ipsc_cmsk ipsc_cl.s_msk
66#define ipsc_clen ipsc_cl.s_len
67#define ipsc_stxt ipsc_sl.s_txt
68#define ipsc_smsk ipsc_sl.s_msk
69#define ipsc_slen ipsc_sl.s_len
70#define ipsc_action ipsc_act.act_val
71#define ipsc_ip ipsc_act.act_ip
72#define ipsc_port ipsc_act.act_port
73#define ipsc_else ipsc_act.act_else
74#define ipsc_eip ipsc_act.act_eip
75#define ipsc_eport ipsc_act.act_eport
76
77#define ISC_A_NONE 0
78#define ISC_A_TRACK 1
79#define ISC_A_CLOSE 2
80#define ISC_A_REDIRECT 3
81
82
83typedef struct ipscanstat {
84 struct ipscan *iscs_list;
85 u_long iscs_acted;
86 u_long iscs_else;
87 int iscs_entries;
88} ipscanstat_t;
89
90
91extern int ipf_scan_ioctl __P((ipf_main_softc_t *, caddr_t, ioctlcmd_t, int, int, void *));
92extern int ipf_scan_init __P((void));
93extern int ipf_scan_attachis __P((struct ipstate *));
94extern int ipf_scan_attachfr __P((struct frentry *));
95extern int ipf_scan_detachis __P((struct ipstate *));
96extern int ipf_scan_detachfr __P((struct frentry *));
97extern int ipf_scan_packet __P((struct fr_info *, struct ipstate *));
98extern void ipf_scan_unload __P((ipf_main_softc_t *));
99
100#endif /* __IP_SCAN_H__ */