2 * Copyright (C) 2012 by Darren Reed.
4 * See the IPFILTER.LICENCE file for details on licencing.
9 #define __IP_SCAN_H__ 1
12 # include <sys/ioccom.h>
15 #define IPSCAN_NAME "/dev/ipscan"
16 #define IPL_SCAN IPSCAN_NAME
26 # define SIOCADSCA _IOWR('r', 60, struct ipscan *)
27 # define SIOCRMSCA _IOWR('r', 61, struct ipscan *)
28 # define SIOCGSCST _IOWR('r', 62, struct ipscan *)
31 int act_val; /* what to do */
32 struct in_addr act_ip; /* redirect IP# */
33 u_short act_port; /* redirect port number */
34 int act_else; /* what to do */
35 struct in_addr act_eip; /* redirect IP# */
36 u_short act_eport; /* redirect port number */
40 typedef struct sinfo {
41 char s_txt[ISC_TLEN]; /* text to match */
42 char s_msk[ISC_TLEN]; /* mask of the above to check */
43 int s_len; /* length of server text */
47 typedef struct ipscan {
48 struct ipscan *ipsc_next;
49 struct ipscan **ipsc_pnext;
50 char ipsc_tag[ISC_TLEN]; /* table entry protocol tag */
51 sinfo_t ipsc_si[2]; /* client/server side information */
52 int ipsc_hits; /* times this has been matched */
53 int ipsc_active; /* # of active matches */
54 int ipsc_fref; /* # of references from filter rules */
55 int ipsc_sref; /* # of references from state entries */
56 struct action ipsc_act;
60 #define ipsc_cl ipsc_si[0]
61 #define ipsc_sl ipsc_si[1]
62 #define ipsc_ctxt ipsc_cl.s_txt
63 #define ipsc_cmsk ipsc_cl.s_msk
64 #define ipsc_clen ipsc_cl.s_len
65 #define ipsc_stxt ipsc_sl.s_txt
66 #define ipsc_smsk ipsc_sl.s_msk
67 #define ipsc_slen ipsc_sl.s_len
68 #define ipsc_action ipsc_act.act_val
69 #define ipsc_ip ipsc_act.act_ip
70 #define ipsc_port ipsc_act.act_port
71 #define ipsc_else ipsc_act.act_else
72 #define ipsc_eip ipsc_act.act_eip
73 #define ipsc_eport ipsc_act.act_eport
78 #define ISC_A_REDIRECT 3
81 typedef struct ipscanstat {
82 struct ipscan *iscs_list;
89 extern int ipf_scan_ioctl(ipf_main_softc_t *, caddr_t, ioctlcmd_t, int, int, void *);
90 extern int ipf_scan_init(void);
91 extern int ipf_scan_attachis(struct ipstate *);
92 extern int ipf_scan_attachfr(struct frentry *);
93 extern int ipf_scan_detachis(struct ipstate *);
94 extern int ipf_scan_detachfr(struct frentry *);
95 extern int ipf_scan_packet(struct fr_info *, struct ipstate *);
96 extern void ipf_scan_unload(ipf_main_softc_t *);
98 #endif /* __IP_SCAN_H__ */