/*
* firewall3 - 3rd OpenWrt UCI firewall implementation
*
- * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
+ * Copyright (C) 2013 Jo-Philipp Wich <jo@mein.io>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
#ifndef __FW3_IPTABLES_H
#define __FW3_IPTABLES_H
+#define _GNU_SOURCE /* RTLD_NEXT */
+
#include <libiptc/libiptc.h>
#include <libiptc/libip6tc.h>
#include <xtables.h>
#include "options.h"
+#define FW3_ID_MAGIC 0x66773300 /* 'f' 'w' '3' */
+#define FW3_ID_MASK 0xffffff00
+
/* xtables interface */
-#if (XTABLES_VERSION_CODE == 10)
+#if (XTABLES_VERSION_CODE == 10 || XTABLES_VERSION_CODE == 11)
# include "xtables-10.h"
#elif (XTABLES_VERSION_CODE == 5)
# include "xtables-5.h"
# error "Unsupported xtables version"
#endif
-/* libext.a interface */
-#define FW3_IPT_MODULES \
- __ipt_module(comment) \
- __ipt_module(conntrack) \
- __ipt_module(icmp) \
- __ipt_module(icmp6) \
- __ipt_module(limit) \
- __ipt_module(mac) \
- __ipt_module(mark) \
- __ipt_module(set) \
- __ipt_module(standard) \
- __ipt_module(tcp) \
- __ipt_module(time) \
- __ipt_module(udp) \
- __ipt_module(CT) \
- __ipt_module(DNAT) \
- __ipt_module(LOG) \
- __ipt_module(MARK) \
- __ipt_module(MASQUERADE) \
- __ipt_module(NOTRACK) \
- __ipt_module(REDIRECT) \
- __ipt_module(REJECT) \
- __ipt_module(SET) \
- __ipt_module(SNAT) \
- __ipt_module(TCPMSS)
-
-#ifdef DISABLE_IPV6
-#undef __ipt_module
-#define __ipt_module(x) \
- extern void libxt_##x##_init(void) __attribute__((weak)); \
- extern void libipt_##x##_init(void) __attribute__((weak));
+#ifndef DISABLE_STATIC_EXTENSIONS
+/* libipt*ext.so interfaces */
+extern void init_extensions(void);
+extern void init_extensions4(void);
+extern void init_extensions6(void);
#else
-#undef __ipt_module
-#define __ipt_module(x) \
- extern void libxt_##x##_init(void) __attribute__((weak)); \
- extern void libipt_##x##_init(void) __attribute__((weak)); \
- extern void libip6t_##x##_init(void) __attribute__((weak));
+static inline void init_extensions(void) { }
+static inline void init_extensions4(void) { }
+static inline void init_extensions6(void) { }
#endif
-FW3_IPT_MODULES
-
-
/* Required by certain extensions like SNAT and DNAT */
extern int kernel_version;
void get_kernel_version(void);
enum fw3_family family;
enum fw3_table table;
void *handle;
-
- int libc;
- void **libv;
};
struct fw3_ipt_rule {
struct xtables_rule_match *matches;
struct xtables_target *target;
+ int id;
+
int argc;
char **argv;
void fw3_ipt_flush_chain(struct fw3_ipt_handle *h, const char *chain);
void fw3_ipt_delete_chain(struct fw3_ipt_handle *h, const char *chain);
+void fw3_ipt_delete_id_rules(struct fw3_ipt_handle *h, const char *chain);
+
void fw3_ipt_create_chain(struct fw3_ipt_handle *h, const char *fmt, ...);
void fw3_ipt_flush(struct fw3_ipt_handle *h);
+void fw3_ipt_gc(struct fw3_ipt_handle *h);
+
void fw3_ipt_commit(struct fw3_ipt_handle *h);
void fw3_ipt_close(struct fw3_ipt_handle *h);
void fw3_ipt_rule_sport_dport(struct fw3_ipt_rule *r,
struct fw3_port *sp, struct fw3_port *dp);
+void fw3_ipt_rule_device(struct fw3_ipt_rule *r, const char *device, bool out);
+
void fw3_ipt_rule_mac(struct fw3_ipt_rule *r, struct fw3_mac *mac);
void fw3_ipt_rule_icmptype(struct fw3_ipt_rule *r, struct fw3_icmptype *icmp);
fw3_ipt_rule_addarg(r, false, "-j", buf);
}
+void xtables_register_match(struct xtables_match *me);
+void xtables_register_target(struct xtables_target *me);
+
#endif