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 struct fw3_ipset_datatype
115 struct list_head list;
116 enum fw3_ipset_type type;
122 struct list_head list;
132 struct list_head list;
137 enum fw3_family family;
142 struct ether_addr mac;
147 struct ether_addr mac;
153 struct list_head list;
157 struct ether_addr mac;
162 struct list_head list;
171 struct list_head list;
181 struct list_head list;
184 enum fw3_family family;
198 enum fw3_limit_unit unit;
208 uint32_t monthdays; /* bit 0 is invert + 1 .. 31 */
209 uint8_t weekdays; /* bit 0 is invert + 1 .. 7 */
214 enum fw3_target policy_input;
215 enum fw3_target policy_output;
216 enum fw3_target policy_forward;
221 struct fw3_limit syn_flood_rate;
226 bool tcp_window_scaling;
228 bool accept_redirects;
229 bool accept_source_route;
240 struct list_head list;
241 struct list_head running_list;
245 enum fw3_family family;
247 enum fw3_target policy_input;
248 enum fw3_target policy_output;
249 enum fw3_target policy_forward;
251 struct list_head networks;
252 struct list_head devices;
253 struct list_head subnets;
255 const char *extra_src;
256 const char *extra_dest;
259 struct list_head masq_src;
260 struct list_head masq_dest;
266 struct fw3_limit log_limit;
276 struct list_head list;
280 enum fw3_family family;
282 struct fw3_zone *_src;
283 struct fw3_zone *_dest;
285 struct fw3_device src;
286 struct fw3_device dest;
288 struct fw3_ipset *_ipset;
289 struct fw3_device ipset;
291 struct list_head proto;
293 struct list_head ip_src;
294 struct list_head mac_src;
295 struct list_head port_src;
297 struct list_head ip_dest;
298 struct list_head port_dest;
300 struct list_head icmp_type;
302 struct fw3_limit limit;
303 struct fw3_time time;
305 enum fw3_target target;
312 struct list_head list;
316 enum fw3_family family;
318 struct fw3_zone *_src;
319 struct fw3_zone *_dest;
321 struct fw3_device src;
322 struct fw3_device dest;
324 struct fw3_ipset *_ipset;
325 struct fw3_device ipset;
327 struct list_head proto;
329 struct fw3_address ip_src;
330 struct list_head mac_src;
331 struct fw3_port port_src;
333 struct fw3_address ip_dest;
334 struct fw3_port port_dest;
336 struct fw3_address ip_redir;
337 struct fw3_port port_redir;
339 struct fw3_time time;
341 enum fw3_target target;
350 struct list_head list;
354 enum fw3_family family;
356 struct fw3_zone *_src;
357 struct fw3_zone *_dest;
359 struct fw3_device src;
360 struct fw3_device dest;
365 struct list_head list;
366 struct list_head running_list;
369 enum fw3_family family;
371 enum fw3_ipset_method method;
372 struct list_head datatypes;
374 struct fw3_address iprange;
375 struct fw3_port portrange;
383 const char *external;
390 struct uci_context *uci;
391 struct fw3_defaults defaults;
392 struct list_head zones;
393 struct list_head rules;
394 struct list_head redirects;
395 struct list_head forwards;
396 struct list_head ipsets;
398 struct fw3_defaults running_defaults;
399 struct list_head running_zones;
400 struct list_head running_ipsets;
410 bool (*parse)(void *, const char *);
415 #define FW3_OPT(name, parse, structure, member) \
416 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
418 #define FW3_LIST(name, parse, structure, member) \
419 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
420 sizeof(struct fw3_##structure) }
423 bool fw3_parse_bool(void *ptr, const char *val);
424 bool fw3_parse_int(void *ptr, const char *val);
425 bool fw3_parse_string(void *ptr, const char *val);
426 bool fw3_parse_target(void *ptr, const char *val);
427 bool fw3_parse_limit(void *ptr, const char *val);
428 bool fw3_parse_device(void *ptr, const char *val);
429 bool fw3_parse_address(void *ptr, const char *val);
430 bool fw3_parse_mac(void *ptr, const char *val);
431 bool fw3_parse_port(void *ptr, const char *val);
432 bool fw3_parse_family(void *ptr, const char *val);
433 bool fw3_parse_icmptype(void *ptr, const char *val);
434 bool fw3_parse_protocol(void *ptr, const char *val);
436 bool fw3_parse_ipset_method(void *ptr, const char *val);
437 bool fw3_parse_ipset_datatype(void *ptr, const char *val);
439 bool fw3_parse_date(void *ptr, const char *val);
440 bool fw3_parse_time(void *ptr, const char *val);
441 bool fw3_parse_weekdays(void *ptr, const char *val);
442 bool fw3_parse_monthdays(void *ptr, const char *val);
444 void fw3_parse_options(void *s, const struct fw3_option *opts,
445 struct uci_section *section);
447 void fw3_format_in_out(struct fw3_device *in, struct fw3_device *out);
448 void fw3_format_src_dest(struct fw3_address *src, struct fw3_address *dest);
449 void fw3_format_sport_dport(struct fw3_port *sp, struct fw3_port *dp);
450 void fw3_format_mac(struct fw3_mac *mac);
451 void fw3_format_protocol(struct fw3_protocol *proto, enum fw3_family family);
452 void fw3_format_icmptype(struct fw3_icmptype *icmp, enum fw3_family family);
453 void fw3_format_limit(struct fw3_limit *limit);
454 void fw3_format_ipset(struct fw3_ipset *ipset, bool invert);
455 void fw3_format_time(struct fw3_time *time);
457 void __fw3_format_comment(const char *comment, ...);
458 #define fw3_format_comment(...) __fw3_format_comment(__VA_ARGS__, NULL)
460 void fw3_format_extra(const char *extra);