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 = 6,
66 FW3_TARGET_REJECT = 7,
68 FW3_TARGET_NOTRACK = 9,
75 FW3_DEFAULT_UNSPEC = 0,
76 FW3_DEFAULT_CUSTOM_CHAINS = 12,
77 FW3_DEFAULT_SYN_FLOOD = 13,
78 FW3_DEFAULT_MTU_FIX = 14,
79 FW3_DEFAULT_DROP_INVALID = 15,
82 extern const char *fw3_flag_names[FW3_DEFAULT_DROP_INVALID + 1];
87 FW3_LIMIT_UNIT_SECOND = 0,
88 FW3_LIMIT_UNIT_MINUTE = 1,
89 FW3_LIMIT_UNIT_HOUR = 2,
90 FW3_LIMIT_UNIT_DAY = 3,
95 FW3_IPSET_METHOD_UNSPEC = 0,
96 FW3_IPSET_METHOD_BITMAP = 1,
97 FW3_IPSET_METHOD_HASH = 2,
98 FW3_IPSET_METHOD_LIST = 3,
103 FW3_IPSET_TYPE_UNSPEC = 0,
104 FW3_IPSET_TYPE_IP = 1,
105 FW3_IPSET_TYPE_PORT = 2,
106 FW3_IPSET_TYPE_MAC = 3,
107 FW3_IPSET_TYPE_NET = 4,
108 FW3_IPSET_TYPE_SET = 5,
111 struct fw3_ipset_datatype
113 struct list_head list;
114 enum fw3_ipset_type type;
120 struct list_head list;
130 struct list_head list;
134 enum fw3_family family;
139 struct ether_addr mac;
145 struct list_head list;
149 struct ether_addr mac;
154 struct list_head list;
163 struct list_head list;
173 struct list_head list;
176 enum fw3_family family;
190 enum fw3_limit_unit unit;
195 enum fw3_target policy_input;
196 enum fw3_target policy_output;
197 enum fw3_target policy_forward;
202 struct fw3_limit syn_flood_rate;
207 bool tcp_window_scaling;
209 bool accept_redirects;
210 bool accept_source_route;
221 struct list_head list;
222 struct list_head running_list;
226 enum fw3_family family;
228 enum fw3_target policy_input;
229 enum fw3_target policy_output;
230 enum fw3_target policy_forward;
232 struct list_head networks;
233 struct list_head devices;
234 struct list_head subnets;
236 const char *extra_src;
237 const char *extra_dest;
240 struct list_head masq_src;
241 struct list_head masq_dest;
247 struct fw3_limit log_limit;
257 struct list_head list;
261 enum fw3_family family;
263 struct fw3_zone *_src;
264 struct fw3_zone *_dest;
266 struct fw3_device src;
267 struct fw3_device dest;
269 struct fw3_ipset *_ipset;
270 struct fw3_device ipset;
272 struct list_head proto;
274 struct list_head ip_src;
275 struct list_head mac_src;
276 struct list_head port_src;
278 struct list_head ip_dest;
279 struct list_head port_dest;
281 struct list_head icmp_type;
283 enum fw3_target target;
285 struct fw3_limit limit;
292 struct list_head list;
296 enum fw3_family family;
298 struct fw3_zone *_src;
299 struct fw3_zone *_dest;
301 struct fw3_device src;
302 struct fw3_device dest;
304 struct fw3_ipset *_ipset;
305 struct fw3_device ipset;
307 struct list_head proto;
309 struct fw3_address ip_src;
310 struct list_head mac_src;
311 struct fw3_port port_src;
313 struct fw3_address ip_dest;
314 struct fw3_port port_dest;
316 struct fw3_address ip_redir;
317 struct fw3_port port_redir;
319 enum fw3_target target;
328 struct list_head list;
332 enum fw3_family family;
334 struct fw3_zone *_src;
335 struct fw3_zone *_dest;
337 struct fw3_device src;
338 struct fw3_device dest;
343 struct list_head list;
344 struct list_head running_list;
347 enum fw3_family family;
349 enum fw3_ipset_method method;
350 struct list_head datatypes;
352 struct list_head iprange;
353 struct fw3_port portrange;
361 const char *external;
368 struct uci_context *uci;
369 struct fw3_defaults defaults;
370 struct list_head zones;
371 struct list_head rules;
372 struct list_head redirects;
373 struct list_head forwards;
374 struct list_head ipsets;
376 struct fw3_defaults running_defaults;
377 struct list_head running_zones;
378 struct list_head running_ipsets;
388 bool (*parse)(void *, const char *);
393 #define FW3_OPT(name, parse, structure, member) \
394 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
396 #define FW3_LIST(name, parse, structure, member) \
397 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
398 sizeof(struct fw3_##structure) }
401 bool fw3_parse_bool(void *ptr, const char *val);
402 bool fw3_parse_int(void *ptr, const char *val);
403 bool fw3_parse_string(void *ptr, const char *val);
404 bool fw3_parse_target(void *ptr, const char *val);
405 bool fw3_parse_limit(void *ptr, const char *val);
406 bool fw3_parse_device(void *ptr, const char *val);
407 bool fw3_parse_address(void *ptr, const char *val);
408 bool fw3_parse_mac(void *ptr, const char *val);
409 bool fw3_parse_port(void *ptr, const char *val);
410 bool fw3_parse_family(void *ptr, const char *val);
411 bool fw3_parse_icmptype(void *ptr, const char *val);
412 bool fw3_parse_protocol(void *ptr, const char *val);
413 bool fw3_parse_ipset_method(void *ptr, const char *val);
414 bool fw3_parse_ipset_datatype(void *ptr, const char *val);
416 void fw3_parse_options(void *s, const struct fw3_option *opts,
417 struct uci_section *section);
419 void fw3_format_in_out(struct fw3_device *in, struct fw3_device *out);
420 void fw3_format_src_dest(struct fw3_address *src, struct fw3_address *dest);
421 void fw3_format_sport_dport(struct fw3_port *sp, struct fw3_port *dp);
422 void fw3_format_mac(struct fw3_mac *mac);
423 void fw3_format_protocol(struct fw3_protocol *proto, enum fw3_family family);
424 void fw3_format_icmptype(struct fw3_icmptype *icmp, enum fw3_family family);
425 void fw3_format_limit(struct fw3_limit *limit);
426 void fw3_format_ipset(struct fw3_ipset *ipset, bool invert);
428 void __fw3_format_comment(const char *comment, ...);
429 #define fw3_format_comment(...) __fw3_format_comment(__VA_ARGS__, NULL)
431 void fw3_format_extra(const char *extra);