2 * firewall3 - 3rd OpenWrt UCI firewall implementation
4 * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #ifndef __FW3_OPTIONS_H
20 #define __FW3_OPTIONS_H
33 #include <arpa/inet.h>
34 #include <sys/socket.h>
35 #include <netinet/in.h>
36 #include <netinet/ether.h>
40 #include <libubox/list.h>
41 #include <libubox/utils.h>
43 #include "icmp_codes.h"
64 FW3_TARGET_UNSPEC = 0,
65 FW3_TARGET_ACCEPT = 1,
66 FW3_TARGET_REJECT = 2,
68 FW3_TARGET_NOTRACK = 4,
75 FW3_DEFAULT_UNSPEC = 0,
76 FW3_DEFAULT_CUSTOM_CHAINS = 1,
77 FW3_DEFAULT_SYN_FLOOD = 2,
78 FW3_DEFAULT_MTU_FIX = 3,
79 FW3_DEFAULT_DROP_INVALID = 4,
84 FW3_LIMIT_UNIT_SECOND = 0,
85 FW3_LIMIT_UNIT_MINUTE = 1,
86 FW3_LIMIT_UNIT_HOUR = 2,
87 FW3_LIMIT_UNIT_DAY = 3,
92 FW3_IPSET_METHOD_UNSPEC = 0,
93 FW3_IPSET_METHOD_BITMAP = 1,
94 FW3_IPSET_METHOD_HASH = 2,
95 FW3_IPSET_METHOD_LIST = 3,
100 FW3_IPSET_TYPE_UNSPEC = 0,
101 FW3_IPSET_TYPE_IP = 1,
102 FW3_IPSET_TYPE_PORT = 2,
103 FW3_IPSET_TYPE_MAC = 3,
104 FW3_IPSET_TYPE_NET = 4,
105 FW3_IPSET_TYPE_SET = 5,
108 struct fw3_ipset_datatype
110 struct list_head list;
111 enum fw3_ipset_type type;
117 struct list_head list;
127 struct list_head list;
131 enum fw3_family family;
136 struct ether_addr mac;
142 struct list_head list;
146 struct ether_addr mac;
151 struct list_head list;
160 struct list_head list;
170 struct list_head list;
173 enum fw3_family family;
187 enum fw3_limit_unit unit;
192 enum fw3_target policy_input;
193 enum fw3_target policy_output;
194 enum fw3_target policy_forward;
199 struct fw3_limit syn_flood_rate;
204 bool tcp_window_scaling;
206 bool accept_redirects;
207 bool accept_source_route;
218 struct list_head list;
222 enum fw3_family family;
224 enum fw3_target policy_input;
225 enum fw3_target policy_output;
226 enum fw3_target policy_forward;
228 struct list_head networks;
229 struct list_head devices;
230 struct list_head subnets;
232 const char *extra_src;
233 const char *extra_dest;
236 struct list_head masq_src;
237 struct list_head masq_dest;
243 struct fw3_limit log_limit;
247 uint8_t has_src_target;
248 uint8_t has_dest_target;
253 struct list_head list;
257 enum fw3_family family;
259 struct fw3_zone *_src;
260 struct fw3_zone *_dest;
262 struct fw3_device src;
263 struct fw3_device dest;
265 struct fw3_ipset *_ipset;
266 struct fw3_device ipset;
268 struct list_head proto;
270 struct list_head ip_src;
271 struct list_head mac_src;
272 struct list_head port_src;
274 struct list_head ip_dest;
275 struct list_head port_dest;
277 struct list_head icmp_type;
279 enum fw3_target target;
281 struct fw3_limit limit;
288 struct list_head list;
292 enum fw3_family family;
294 struct fw3_zone *_src;
295 struct fw3_zone *_dest;
297 struct fw3_device src;
298 struct fw3_device dest;
300 struct fw3_ipset *_ipset;
301 struct fw3_device ipset;
303 struct list_head proto;
305 struct fw3_address ip_src;
306 struct list_head mac_src;
307 struct fw3_port port_src;
309 struct fw3_address ip_dest;
310 struct fw3_port port_dest;
312 struct fw3_address ip_redir;
313 struct fw3_port port_redir;
315 enum fw3_target target;
324 struct list_head list;
328 enum fw3_family family;
330 struct fw3_zone *_src;
331 struct fw3_zone *_dest;
333 struct fw3_device src;
334 struct fw3_device dest;
339 struct list_head list;
342 enum fw3_family family;
344 enum fw3_ipset_method method;
345 struct list_head datatypes;
347 struct list_head iprange;
348 struct fw3_port portrange;
356 const char *external;
361 struct uci_context *uci;
362 struct fw3_defaults defaults;
363 struct list_head zones;
364 struct list_head rules;
365 struct list_head redirects;
366 struct list_head forwards;
367 struct list_head ipsets;
376 bool (*parse)(void *, const char *);
381 #define FW3_OPT(name, parse, structure, member) \
382 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
384 #define FW3_LIST(name, parse, structure, member) \
385 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
386 sizeof(struct fw3_##structure) }
389 bool fw3_parse_bool(void *ptr, const char *val);
390 bool fw3_parse_int(void *ptr, const char *val);
391 bool fw3_parse_string(void *ptr, const char *val);
392 bool fw3_parse_target(void *ptr, const char *val);
393 bool fw3_parse_limit(void *ptr, const char *val);
394 bool fw3_parse_device(void *ptr, const char *val);
395 bool fw3_parse_address(void *ptr, const char *val);
396 bool fw3_parse_mac(void *ptr, const char *val);
397 bool fw3_parse_port(void *ptr, const char *val);
398 bool fw3_parse_family(void *ptr, const char *val);
399 bool fw3_parse_icmptype(void *ptr, const char *val);
400 bool fw3_parse_protocol(void *ptr, const char *val);
401 bool fw3_parse_ipset_method(void *ptr, const char *val);
402 bool fw3_parse_ipset_datatype(void *ptr, const char *val);
404 void fw3_parse_options(void *s, struct fw3_option *opts, int n,
405 struct uci_section *section);
407 void fw3_format_in_out(struct fw3_device *in, struct fw3_device *out);
408 void fw3_format_src_dest(struct fw3_address *src, struct fw3_address *dest);
409 void fw3_format_sport_dport(struct fw3_port *sp, struct fw3_port *dp);
410 void fw3_format_mac(struct fw3_mac *mac);
411 void fw3_format_protocol(struct fw3_protocol *proto, enum fw3_family family);
412 void fw3_format_icmptype(struct fw3_icmptype *icmp, enum fw3_family family);
413 void fw3_format_limit(struct fw3_limit *limit);
414 void fw3_format_ipset(struct fw3_ipset *ipset, bool invert);
416 void __fw3_format_comment(const char *comment, ...);
417 #define fw3_format_comment(...) __fw3_format_comment(__VA_ARGS__, NULL)
419 void fw3_format_extra(const char *extra);