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>
42 #include <libubox/list.h>
43 #include <libubox/utils.h>
45 #include "icmp_codes.h"
66 FW3_TARGET_UNSPEC = 0,
67 FW3_TARGET_ACCEPT = 6,
68 FW3_TARGET_REJECT = 7,
70 FW3_TARGET_NOTRACK = 9,
77 FW3_DEFAULT_UNSPEC = 0,
78 FW3_DEFAULT_CUSTOM_CHAINS = 12,
79 FW3_DEFAULT_SYN_FLOOD = 13,
80 FW3_DEFAULT_MTU_FIX = 14,
81 FW3_DEFAULT_DROP_INVALID = 15,
84 extern const char *fw3_flag_names[FW3_DEFAULT_DROP_INVALID + 1];
89 FW3_LIMIT_UNIT_SECOND = 0,
90 FW3_LIMIT_UNIT_MINUTE = 1,
91 FW3_LIMIT_UNIT_HOUR = 2,
92 FW3_LIMIT_UNIT_DAY = 3,
97 FW3_IPSET_METHOD_UNSPEC = 0,
98 FW3_IPSET_METHOD_BITMAP = 1,
99 FW3_IPSET_METHOD_HASH = 2,
100 FW3_IPSET_METHOD_LIST = 3,
105 FW3_IPSET_TYPE_UNSPEC = 0,
106 FW3_IPSET_TYPE_IP = 1,
107 FW3_IPSET_TYPE_PORT = 2,
108 FW3_IPSET_TYPE_MAC = 3,
109 FW3_IPSET_TYPE_NET = 4,
110 FW3_IPSET_TYPE_SET = 5,
113 enum fw3_include_type
115 FW3_INC_TYPE_SCRIPT = 0,
116 FW3_INC_TYPE_RESTORE = 1,
119 struct fw3_ipset_datatype
121 struct list_head list;
122 enum fw3_ipset_type type;
128 struct list_head list;
138 struct list_head list;
143 enum fw3_family family;
148 struct ether_addr mac;
153 struct ether_addr mac;
159 struct list_head list;
163 struct ether_addr mac;
168 struct list_head list;
177 struct list_head list;
187 struct list_head list;
190 enum fw3_family family;
204 enum fw3_limit_unit unit;
214 uint32_t monthdays; /* bit 0 is invert + 1 .. 31 */
215 uint8_t weekdays; /* bit 0 is invert + 1 .. 7 */
220 enum fw3_target policy_input;
221 enum fw3_target policy_output;
222 enum fw3_target policy_forward;
227 struct fw3_limit syn_flood_rate;
232 bool tcp_window_scaling;
234 bool accept_redirects;
235 bool accept_source_route;
246 struct list_head list;
247 struct list_head running_list;
251 enum fw3_family family;
253 enum fw3_target policy_input;
254 enum fw3_target policy_output;
255 enum fw3_target policy_forward;
257 struct list_head networks;
258 struct list_head devices;
259 struct list_head subnets;
261 const char *extra_src;
262 const char *extra_dest;
265 struct list_head masq_src;
266 struct list_head masq_dest;
272 struct fw3_limit log_limit;
282 struct list_head list;
286 enum fw3_family family;
288 struct fw3_zone *_src;
289 struct fw3_zone *_dest;
291 struct fw3_device src;
292 struct fw3_device dest;
294 struct fw3_ipset *_ipset;
295 struct fw3_device ipset;
297 struct list_head proto;
299 struct list_head ip_src;
300 struct list_head mac_src;
301 struct list_head port_src;
303 struct list_head ip_dest;
304 struct list_head port_dest;
306 struct list_head icmp_type;
308 struct fw3_limit limit;
309 struct fw3_time time;
311 enum fw3_target target;
318 struct list_head list;
322 enum fw3_family family;
324 struct fw3_zone *_src;
325 struct fw3_zone *_dest;
327 struct fw3_device src;
328 struct fw3_device dest;
330 struct fw3_ipset *_ipset;
331 struct fw3_device ipset;
333 struct list_head proto;
335 struct fw3_address ip_src;
336 struct list_head mac_src;
337 struct fw3_port port_src;
339 struct fw3_address ip_dest;
340 struct fw3_port port_dest;
342 struct fw3_address ip_redir;
343 struct fw3_port port_redir;
345 struct fw3_time time;
347 enum fw3_target target;
356 struct list_head list;
360 enum fw3_family family;
362 struct fw3_zone *_src;
363 struct fw3_zone *_dest;
365 struct fw3_device src;
366 struct fw3_device dest;
371 struct list_head list;
372 struct list_head running_list;
375 enum fw3_family family;
377 enum fw3_ipset_method method;
378 struct list_head datatypes;
380 struct fw3_address iprange;
381 struct fw3_port portrange;
389 const char *external;
396 struct list_head list;
397 struct list_head running_list;
400 enum fw3_family family;
403 enum fw3_include_type type;
408 struct uci_context *uci;
409 struct fw3_defaults defaults;
410 struct list_head zones;
411 struct list_head rules;
412 struct list_head redirects;
413 struct list_head forwards;
414 struct list_head ipsets;
415 struct list_head includes;
417 struct fw3_defaults running_defaults;
418 struct list_head running_zones;
419 struct list_head running_ipsets;
429 bool (*parse)(void *, const char *);
434 #define FW3_OPT(name, parse, structure, member) \
435 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
437 #define FW3_LIST(name, parse, structure, member) \
438 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
439 sizeof(struct fw3_##structure) }
442 bool fw3_parse_bool(void *ptr, const char *val);
443 bool fw3_parse_int(void *ptr, const char *val);
444 bool fw3_parse_string(void *ptr, const char *val);
445 bool fw3_parse_target(void *ptr, const char *val);
446 bool fw3_parse_limit(void *ptr, const char *val);
447 bool fw3_parse_device(void *ptr, const char *val);
448 bool fw3_parse_address(void *ptr, const char *val);
449 bool fw3_parse_mac(void *ptr, const char *val);
450 bool fw3_parse_port(void *ptr, const char *val);
451 bool fw3_parse_family(void *ptr, const char *val);
452 bool fw3_parse_icmptype(void *ptr, const char *val);
453 bool fw3_parse_protocol(void *ptr, const char *val);
455 bool fw3_parse_ipset_method(void *ptr, const char *val);
456 bool fw3_parse_ipset_datatype(void *ptr, const char *val);
458 bool fw3_parse_include_type(void *ptr, const char *val);
460 bool fw3_parse_date(void *ptr, const char *val);
461 bool fw3_parse_time(void *ptr, const char *val);
462 bool fw3_parse_weekdays(void *ptr, const char *val);
463 bool fw3_parse_monthdays(void *ptr, const char *val);
465 void fw3_parse_options(void *s, const struct fw3_option *opts,
466 struct uci_section *section);
468 void fw3_format_in_out(struct fw3_device *in, struct fw3_device *out);
469 void fw3_format_src_dest(struct fw3_address *src, struct fw3_address *dest);
470 void fw3_format_sport_dport(struct fw3_port *sp, struct fw3_port *dp);
471 void fw3_format_mac(struct fw3_mac *mac);
472 void fw3_format_protocol(struct fw3_protocol *proto, enum fw3_family family);
473 void fw3_format_icmptype(struct fw3_icmptype *icmp, enum fw3_family family);
474 void fw3_format_limit(struct fw3_limit *limit);
475 void fw3_format_ipset(struct fw3_ipset *ipset, bool invert);
476 void fw3_format_time(struct fw3_time *time);
478 void __fw3_format_comment(const char *comment, ...);
479 #define fw3_format_comment(...) __fw3_format_comment(__VA_ARGS__, NULL)
481 void fw3_format_extra(const char *extra);