#ifndef _XTABLES_INTERNAL_H
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#define _XTABLES_INTERNAL_H 1
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#ifndef XT_LIB_DIR
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# define XT_LIB_DIR "/lib/xtables"
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#endif
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/* protocol family dependent informations */
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struct afinfo {
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/* protocol family */
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int family;
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/* prefix of library name (ex "libipt_" */
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char *libprefix;
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/* used by setsockopt (ex IPPROTO_IP */
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int ipproto;
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/* kernel module (ex "ip_tables" */
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char *kmod;
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/* optname to check revision support of match */
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int so_rev_match;
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/* optname to check revision support of match */
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int so_rev_target;
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};
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enum xt_tryload {
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DONT_LOAD,
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DURING_LOAD,
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TRY_LOAD,
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LOAD_MUST_SUCCEED
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};
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struct xtables_rule_match {
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struct xtables_rule_match *next;
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struct xtables_match *match;
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/* Multiple matches of the same type: the ones before
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the current one are completed from parsing point of view */
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unsigned int completed;
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};
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extern char *lib_dir;
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extern void *fw_calloc(size_t count, size_t size);
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extern void *fw_malloc(size_t size);
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extern const char *modprobe_program;
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extern int xtables_insmod(const char *modname, const char *modprobe, int quiet);
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extern int load_xtables_ko(const char *modprobe, int quiet);
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/* This is decleared in ip[6]tables.c */
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extern struct afinfo afinfo;
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/* Keeping track of external matches and targets: linked lists. */
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extern struct xtables_match *xtables_matches;
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extern struct xtables_target *xtables_targets;
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extern struct xtables_match *find_match(const char *name, enum xt_tryload,
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struct xtables_rule_match **match);
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extern struct xtables_target *find_target(const char *name, enum xt_tryload);
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extern void _init(void);
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#endif /* _XTABLES_INTERNAL_H */
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