/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _XTABLES_INTERNAL_H #define _XTABLES_INTERNAL_H 1 #ifndef XT_LIB_DIR # define XT_LIB_DIR "/lib/xtables" #endif /* protocol family dependent information */ struct afinfo { /* protocol family */ int family; /* prefix of library name (ex "libipt_" */ char *libprefix; /* used by setsockopt (ex IPPROTO_IP */ int ipproto; /* kernel module (ex "ip_tables" */ char *kmod; /* optname to check revision support of match */ int so_rev_match; /* optname to check revision support of match */ int so_rev_target; }; enum xt_tryload { DONT_LOAD, DURING_LOAD, TRY_LOAD, LOAD_MUST_SUCCEED }; struct xtables_rule_match { struct xtables_rule_match *next; struct xtables_match *match; /* Multiple matches of the same type: the ones before the current one are completed from parsing point of view */ unsigned int completed; }; extern char *lib_dir; extern void *fw_calloc(size_t count, size_t size); extern void *fw_malloc(size_t size); extern const char *modprobe_program; extern int xtables_insmod(const char *modname, const char *modprobe, int quiet); extern int load_xtables_ko(const char *modprobe, int quiet); /* This is decleared in ip[6]tables.c */ extern struct afinfo afinfo; /* Keeping track of external matches and targets: linked lists. */ extern struct xtables_match *xtables_matches; extern struct xtables_target *xtables_targets; extern struct xtables_match *find_match(const char *name, enum xt_tryload, struct xtables_rule_match **match); extern struct xtables_target *find_target(const char *name, enum xt_tryload); extern void _init(void); #endif /* _XTABLES_INTERNAL_H */