142 lines
4.1 KiB
C
Executable File
142 lines
4.1 KiB
C
Executable File
#ifndef _IP6TABLES_USER_H
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#define _IP6TABLES_USER_H
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#include "iptables_common.h"
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#include "libiptc/libip6tc.h"
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struct ip6tables_rule_match
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{
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struct ip6tables_rule_match *next;
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struct ip6tables_match *match;
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};
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/* Include file for additions: new matches and targets. */
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struct ip6tables_match
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{
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struct ip6tables_match *next;
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ip6t_chainlabel name;
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const char *version;
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/* Size of match data. */
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size_t size;
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/* Size of match data relevent for userspace comparison purposes */
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size_t userspacesize;
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/* Function which prints out usage message. */
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void (*help)(void);
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/* Initialize the match. */
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void (*init)(struct ip6t_entry_match *m, unsigned int *nfcache);
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/* Function which parses command options; returns true if it
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ate an option */
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int (*parse)(int c, char **argv, int invert, unsigned int *flags,
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const struct ip6t_entry *entry,
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unsigned int *nfcache,
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struct ip6t_entry_match **match);
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/* Final check; exit if not ok. */
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void (*final_check)(unsigned int flags);
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/* Prints out the match iff non-NULL: put space at end */
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void (*print)(const struct ip6t_ip6 *ip,
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const struct ip6t_entry_match *match, int numeric);
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/* Saves the union ipt_matchinfo in parsable form to stdout. */
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void (*save)(const struct ip6t_ip6 *ip,
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const struct ip6t_entry_match *match);
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/* Pointer to list of extra command-line options */
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const struct option *extra_opts;
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/* Ignore these men behind the curtain: */
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unsigned int option_offset;
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struct ip6t_entry_match *m;
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unsigned int mflags;
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#ifdef NO_SHARED_LIBS
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unsigned int loaded; /* simulate loading so options are merged properly */
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#endif
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};
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struct ip6tables_target
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{
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struct ip6tables_target *next;
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ip6t_chainlabel name;
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const char *version;
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/* Size of target data. */
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size_t size;
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/* Size of target data relevent for userspace comparison purposes */
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size_t userspacesize;
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/* Function which prints out usage message. */
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void (*help)(void);
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/* Initialize the target. */
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void (*init)(struct ip6t_entry_target *t, unsigned int *nfcache);
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/* Function which parses command options; returns true if it
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ate an option */
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int (*parse)(int c, char **argv, int invert, unsigned int *flags,
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const struct ip6t_entry *entry,
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struct ip6t_entry_target **target);
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/* Final check; exit if not ok. */
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void (*final_check)(unsigned int flags);
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/* Prints out the target iff non-NULL: put space at end */
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void (*print)(const struct ip6t_ip6 *ip,
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const struct ip6t_entry_target *target, int numeric);
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/* Saves the targinfo in parsable form to stdout. */
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void (*save)(const struct ip6t_ip6 *ip,
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const struct ip6t_entry_target *target);
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/* Pointer to list of extra command-line options */
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struct option *extra_opts;
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/* Ignore these men behind the curtain: */
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unsigned int option_offset;
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struct ip6t_entry_target *t;
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unsigned int tflags;
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unsigned int used;
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#ifdef NO_SHARED_LIBS
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unsigned int loaded; /* simulate loading so options are merged properly */
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#endif
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};
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extern int line;
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/* Your shared library should call one of these. */
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extern void register_match6(struct ip6tables_match *me);
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extern void register_target6(struct ip6tables_target *me);
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extern int do_command6(int argc, char *argv[], char **table,
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ip6tc_handle_t *handle);
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/* Keeping track of external matches and targets: linked lists. */
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extern struct ip6tables_match *ip6tables_matches;
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extern struct ip6tables_target *ip6tables_targets;
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enum ip6t_tryload {
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DONT_LOAD,
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TRY_LOAD,
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LOAD_MUST_SUCCEED
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};
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extern struct ip6tables_target *find_target(const char *name, enum ip6t_tryload);
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extern struct ip6tables_match *find_match(const char *name, enum ip6t_tryload, struct ip6tables_rule_match **match);
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extern int for_each_chain(int (*fn)(const ip6t_chainlabel, int, ip6tc_handle_t *), int verbose, int builtinstoo, ip6tc_handle_t *handle);
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extern int flush_entries(const ip6t_chainlabel chain, int verbose, ip6tc_handle_t *handle);
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extern int delete_chain(const ip6t_chainlabel chain, int verbose, ip6tc_handle_t *handle);
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extern int ip6tables_insmod(const char *modname, const char *modprobe);
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#endif /*_IP6TABLES_USER_H*/
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