mirror of
https://git.kernel.org/pub/scm/network/iproute2/iproute2.git
synced 2024-11-16 22:45:17 +08:00
156 lines
4.4 KiB
C
156 lines
4.4 KiB
C
#ifndef _IPTABLES_USER_H
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#define _IPTABLES_USER_H
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#include "iptables_common.h"
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#include "libiptc/libiptc.h"
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#ifndef IPPROTO_SCTP
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#define IPPROTO_SCTP 132
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#endif
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struct iptables_rule_match
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{
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struct iptables_rule_match *next;
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struct iptables_match *match;
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};
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/* Include file for additions: new matches and targets. */
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struct iptables_match
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{
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struct iptables_match *next;
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ipt_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 ipt_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 ipt_entry *entry,
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unsigned int *nfcache,
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struct ipt_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 ipt_ip *ip,
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const struct ipt_entry_match *match, int numeric);
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/* Saves the match info in parsable form to stdout. */
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void (*save)(const struct ipt_ip *ip,
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const struct ipt_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 ipt_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 iptables_target
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{
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struct iptables_target *next;
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ipt_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 ipt_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 ipt_entry *entry,
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struct ipt_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 ipt_ip *ip,
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const struct ipt_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 ipt_ip *ip,
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const struct ipt_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 ipt_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_match(struct iptables_match *me);
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extern void register_target(struct iptables_target *me);
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extern struct in_addr *dotted_to_addr(const char *dotted);
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extern char *addr_to_dotted(const struct in_addr *addrp);
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extern char *addr_to_anyname(const struct in_addr *addr);
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extern char *mask_to_dotted(const struct in_addr *mask);
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extern void parse_hostnetworkmask(const char *name, struct in_addr **addrpp,
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struct in_addr *maskp, unsigned int *naddrs);
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extern u_int16_t parse_protocol(const char *s);
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extern int do_command(int argc, char *argv[], char **table,
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iptc_handle_t *handle);
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/* Keeping track of external matches and targets: linked lists. */
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extern struct iptables_match *iptables_matches;
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extern struct iptables_target *iptables_targets;
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enum ipt_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 iptables_target *find_target(const char *name, enum ipt_tryload);
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extern struct iptables_match *find_match(const char *name, enum ipt_tryload, struct iptables_rule_match **match);
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extern int delete_chain(const ipt_chainlabel chain, int verbose,
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iptc_handle_t *handle);
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extern int flush_entries(const ipt_chainlabel chain, int verbose,
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iptc_handle_t *handle);
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extern int for_each_chain(int (*fn)(const ipt_chainlabel, int, iptc_handle_t *),
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int verbose, int builtinstoo, iptc_handle_t *handle);
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#endif /*_IPTABLES_USER_H*/
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