/*
* 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
-#include <libiptc/libiptc.h>
-#include <libiptc/libip6tc.h>
-
-#include "options.h"
+#ifndef DISABLE_STATIC_EXTENSIONS
+/* libipt*ext.so interfaces */
+extern void init_extensions(void);
+extern void init_extensions4(void);
+extern void init_extensions6(void);
+#else
+static inline void init_extensions(void) { }
+static inline void init_extensions4(void) { }
+static inline void init_extensions6(void) { }
+#endif
+/* Required by certain extensions like SNAT and DNAT */
+extern int kernel_version;
+void get_kernel_version(void);
struct fw3_ipt_handle {
enum fw3_family family;
enum fw3_table table;
- struct xtc_handle *handle;
+ void *handle;
};
-struct fw3_ipt_handle *fw3_ipt_open(enum fw3_family family, enum fw3_table table);
+struct fw3_ipt_rule;
+
+struct fw3_ipt_handle *fw3_ipt_open(enum fw3_family family,
+ enum fw3_table table);
+
+void fw3_ipt_set_policy(struct fw3_ipt_handle *h, const char *chain,
+ enum fw3_flag policy);
-void fw3_ipt_set_policy(struct fw3_ipt_handle *h, enum fw3_flag policy);
+
+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_rules(struct fw3_ipt_handle *h, const char *target);
+
+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);
+
+struct fw3_ipt_rule *fw3_ipt_rule_new(struct fw3_ipt_handle *h);
+
+void fw3_ipt_rule_proto(struct fw3_ipt_rule *r, struct fw3_protocol *proto);
+
+void fw3_ipt_rule_in_out(struct fw3_ipt_rule *r,
+ struct fw3_device *in, struct fw3_device *out);
+
+void fw3_ipt_rule_src_dest(struct fw3_ipt_rule *r,
+ struct fw3_address *src, struct fw3_address *dest);
+
+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);
+
+void fw3_ipt_rule_limit(struct fw3_ipt_rule *r, struct fw3_limit *limit);
+
+void fw3_ipt_rule_ipset(struct fw3_ipt_rule *r, struct fw3_setmatch *match);
+
+void fw3_ipt_rule_time(struct fw3_ipt_rule *r, struct fw3_time *time);
+
+void fw3_ipt_rule_mark(struct fw3_ipt_rule *r, struct fw3_mark *mark);
+
+void fw3_ipt_rule_comment(struct fw3_ipt_rule *r, const char *fmt, ...);
+
+void fw3_ipt_rule_extra(struct fw3_ipt_rule *r, const char *extra);
+
+void fw3_ipt_rule_addarg(struct fw3_ipt_rule *r, bool inv,
+ const char *k, const char *v);
+
+struct fw3_ipt_rule * fw3_ipt_rule_create(struct fw3_ipt_handle *handle,
+ struct fw3_protocol *proto,
+ struct fw3_device *in,
+ struct fw3_device *out,
+ struct fw3_address *src,
+ struct fw3_address *dest);
+
+void __fw3_ipt_rule_append(struct fw3_ipt_rule *r, bool repl,
+ const char *fmt, ...);
+
+#define fw3_ipt_rule_append(rule, ...) \
+ __fw3_ipt_rule_append(rule, false, __VA_ARGS__)
+
+#define fw3_ipt_rule_replace(rule, ...) \
+ __fw3_ipt_rule_append(rule, true, __VA_ARGS__)
+
+static inline void
+fw3_ipt_rule_target(struct fw3_ipt_rule *r, const char *fmt, ...)
+{
+ va_list ap;
+ char buf[32];
+
+ va_start(ap, fmt);
+ vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
+ va_end(ap);
+
+ fw3_ipt_rule_addarg(r, false, "-j", buf);
+}
+
#endif