ip6tables.h revision 3efb6ead2e51fe1eca55bcb2b06afb4dc4b8cb7c
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 /* Size of match data relevent for userspace comparison purposes */ 20 size_t userspacesize; 21 22 /* Function which prints out usage message. */ 23 void (*help)(void); 24 25 /* Initialize the match. */ 26 void (*init)(struct ip6t_entry_match *m, unsigned int *nfcache); 27 28 /* Function which parses command options; returns true if it 29 ate an option */ 30 int (*parse)(int c, char **argv, int invert, unsigned int *flags, 31 const struct ip6t_entry *entry, 32 unsigned int *nfcache, 33 struct ip6t_entry_match **match); 34 35 /* Final check; exit if not ok. */ 36 void (*final_check)(unsigned int flags); 37 38 /* Prints out the match iff non-NULL: put space at end */ 39 void (*print)(const struct ip6t_ip6 *ip, 40 const struct ip6t_entry_match *match, int numeric); 41 42 /* Saves the union ipt_matchinfo in parsable form to stdout. */ 43 void (*save)(const struct ip6t_ip6 *ip, 44 const struct ip6t_entry_match *match); 45 46 /* Pointer to list of extra command-line options */ 47 const struct option *extra_opts; 48 49 /* Ignore these men behind the curtain: */ 50 unsigned int option_offset; 51 struct ip6t_entry_match *m; 52 unsigned int mflags; 53 unsigned int used; 54#ifdef NO_SHARED_LIBS 55 unsigned int loaded; /* simulate loading so options are merged properly */ 56#endif 57}; 58 59struct ip6tables_target 60{ 61 struct ip6tables_target *next; 62 63 ip6t_chainlabel name; 64 65 const char *version; 66 67 /* Size of target data. */ 68 size_t size; 69 70 /* Size of target data relevent for userspace comparison purposes */ 71 size_t userspacesize; 72 73 /* Function which prints out usage message. */ 74 void (*help)(void); 75 76 /* Initialize the target. */ 77 void (*init)(struct ip6t_entry_target *t, unsigned int *nfcache); 78 79 /* Function which parses command options; returns true if it 80 ate an option */ 81 int (*parse)(int c, char **argv, int invert, unsigned int *flags, 82 const struct ip6t_entry *entry, 83 struct ip6t_entry_target **target); 84 85 /* Final check; exit if not ok. */ 86 void (*final_check)(unsigned int flags); 87 88 /* Prints out the target iff non-NULL: put space at end */ 89 void (*print)(const struct ip6t_ip6 *ip, 90 const struct ip6t_entry_target *target, int numeric); 91 92 /* Saves the targinfo in parsable form to stdout. */ 93 void (*save)(const struct ip6t_ip6 *ip, 94 const struct ip6t_entry_target *target); 95 96 /* Pointer to list of extra command-line options */ 97 struct option *extra_opts; 98 99 /* Ignore these men behind the curtain: */ 100 unsigned int option_offset; 101 struct ip6t_entry_target *t; 102 unsigned int tflags; 103 unsigned int used; 104#ifdef NO_SHARED_LIBS 105 unsigned int loaded; /* simulate loading so options are merged properly */ 106#endif 107}; 108 109/* Your shared library should call one of these. */ 110extern void register_match6(struct ip6tables_match *me); 111extern void register_target6(struct ip6tables_target *me); 112 113extern int do_command6(int argc, char *argv[], char **table, 114 ip6tc_handle_t *handle); 115/* Keeping track of external matches and targets: linked lists. */ 116extern struct ip6tables_match *ip6tables_matches; 117extern struct ip6tables_target *ip6tables_targets; 118 119enum ip6t_tryload { 120 DONT_LOAD, 121 TRY_LOAD, 122 LOAD_MUST_SUCCEED 123}; 124 125extern struct ip6tables_target *find_target(const char *name, enum ip6t_tryload); 126extern struct ip6tables_match *find_match(const char *name, enum ip6t_tryload); 127 128extern int for_each_chain(int (*fn)(const ip6t_chainlabel, int, ip6tc_handle_t *), int verbose, int builtinstoo, ip6tc_handle_t *handle); 129extern int flush_entries(const ip6t_chainlabel chain, int verbose, ip6tc_handle_t *handle); 130extern int delete_chain(const ip6t_chainlabel chain, int verbose, ip6tc_handle_t *handle); 131extern int ip6tables_insmod(const char *modname, const char *modprobe); 132 133#endif /*_IP6TABLES_USER_H*/ 134