ip6tables.h revision 79dee0702b18c8ea1d1f7a2b1f6b29349466986b 
1#ifndef _IP6TABLES_USER_H
2#define _IP6TABLES_USER_H
3
4#include "iptables_common.h"
5#include "libiptc/libip6tc.h"
6
7/* Include file for additions: new matches and targets. */
8struct ip6tables_match
9{
10	struct ip6tables_match *next;
11
12	ip6t_chainlabel name;
13
14	const char *version;
15
16	/* Size of match data. */
17	size_t size;
18
19	/* Function which prints out usage message. */
20	void (*help)(void);
21
22	/* Initialize the match. */
23	void (*init)(struct ip6t_entry_match *m, unsigned int *nfcache);
24
25	/* Function which parses command options; returns true if it
26	   ate an option */
27	int (*parse)(int c, char **argv, int invert, unsigned int *flags,
28		     const struct ip6t_entry *entry,
29		     unsigned int *nfcache,
30		     struct ip6t_entry_match **match);
31
32	/* Final check; exit if not ok. */
33	void (*final_check)(unsigned int flags);
34
35	/* Prints out the match iff non-NULL: put space at end */
36	void (*print)(const struct ip6t_ip6 *ip,
37		      const struct ip6t_entry_match *match, int numeric);
38
39	/* Saves the union ipt_matchinfo in parsable form to stdout. */
40	void (*save)(const struct ip6t_ip6 *ip,
41		     const struct ip6t_entry_match *match);
42
43	/* Pointer to list of extra command-line options */
44	struct option *extra_opts;
45
46	/* Ignore these men behind the curtain: */
47	unsigned int option_offset;
48	struct ip6t_entry_match *m;
49	unsigned int mflags;
50};
51
52struct ip6tables_target
53{
54	struct ip6tables_target *next;
55
56	ip6t_chainlabel name;
57
58	const char *version;
59
60	/* Size of target data. */
61	size_t size;
62
63	/* Function which prints out usage message. */
64	void (*help)(void);
65
66	/* Initialize the target. */
67	void (*init)(struct ip6t_entry_target *t, unsigned int *nfcache);
68
69	/* Function which parses command options; returns true if it
70	   ate an option */
71	int (*parse)(int c, char **argv, int invert, unsigned int *flags,
72		     const struct ip6t_entry *entry,
73		     struct ip6t_entry_target **target);
74
75	/* Final check; exit if not ok. */
76	void (*final_check)(unsigned int flags);
77
78	/* Prints out the target iff non-NULL: put space at end */
79	void (*print)(const struct ip6t_ip6 *ip,
80		      const struct ip6t_entry_target *target, int numeric);
81
82	/* Saves the targinfo in parsable form to stdout. */
83	void (*save)(const struct ip6t_ip6 *ip,
84		     const struct ip6t_entry_target *target);
85
86	/* Pointer to list of extra command-line options */
87	struct option *extra_opts;
88
89	/* Ignore these men behind the curtain: */
90	unsigned int option_offset;
91	struct ip6t_entry_target *t;
92	unsigned int tflags;
93};
94
95/* Your shared library should call one of these. */
96extern void register_match6(struct ip6tables_match *me);
97extern void register_target6(struct ip6tables_target *me);
98
99extern int do_command6(int argc, char *argv[], char **table,
100		       ip6tc_handle_t *handle);
101/* Keeping track of external matches and targets: linked lists. */
102extern struct ip6tables_match *ip6tables_matches;
103extern struct ip6tables_target *ip6tables_targets;
104
105extern struct ip6tables_target *find_target6(const char *name, int tryload);
106extern struct ip6tables_match *find_match6(const char *name, int tryload);
107#endif /*_IP6TABLES_USER_H*/
108