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Diffstat (limited to '')
-rw-r--r-- | include/xt-internal.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/include/xt-internal.h b/include/xt-internal.h new file mode 100644 index 0000000..89c73e4 --- /dev/null +++ b/include/xt-internal.h @@ -0,0 +1,67 @@ +/* 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 */ |