| /* 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 informations */ |
| 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 */ |