2 * firewall3 - 3rd OpenWrt UCI firewall implementation
4 * Copyright (C) 2013-2014 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"
74 FW3_FLAG_MASQUERADE = 13,
75 FW3_FLAG_SRC_ACCEPT = 14,
76 FW3_FLAG_SRC_REJECT = 15,
77 FW3_FLAG_SRC_DROP = 16,
78 FW3_FLAG_CUSTOM_CHAINS = 17,
79 FW3_FLAG_SYN_FLOOD = 18,
80 FW3_FLAG_MTU_FIX = 19,
81 FW3_FLAG_DROP_INVALID = 20,
82 FW3_FLAG_HOTPLUG = 21,
87 extern const char *fw3_flag_names[__FW3_FLAG_MAX];
92 FW3_LIMIT_UNIT_SECOND = 0,
93 FW3_LIMIT_UNIT_MINUTE = 1,
94 FW3_LIMIT_UNIT_HOUR = 2,
95 FW3_LIMIT_UNIT_DAY = 3,
100 extern const char *fw3_limit_units[__FW3_LIMIT_UNIT_MAX];
103 enum fw3_ipset_method
105 FW3_IPSET_METHOD_UNSPEC = 0,
106 FW3_IPSET_METHOD_BITMAP = 1,
107 FW3_IPSET_METHOD_HASH = 2,
108 FW3_IPSET_METHOD_LIST = 3,
110 __FW3_IPSET_METHOD_MAX
115 FW3_IPSET_TYPE_UNSPEC = 0,
116 FW3_IPSET_TYPE_IP = 1,
117 FW3_IPSET_TYPE_PORT = 2,
118 FW3_IPSET_TYPE_MAC = 3,
119 FW3_IPSET_TYPE_NET = 4,
120 FW3_IPSET_TYPE_SET = 5,
125 extern const char *fw3_ipset_method_names[__FW3_IPSET_METHOD_MAX];
126 extern const char *fw3_ipset_type_names[__FW3_IPSET_TYPE_MAX];
129 enum fw3_include_type
131 FW3_INC_TYPE_SCRIPT = 0,
132 FW3_INC_TYPE_RESTORE = 1,
135 enum fw3_reflection_source
137 FW3_REFLECTION_INTERNAL = 0,
138 FW3_REFLECTION_EXTERNAL = 1,
141 struct fw3_ipset_datatype
143 struct list_head list;
144 enum fw3_ipset_type type;
154 struct fw3_ipset *ptr;
159 struct list_head list;
170 struct list_head list;
176 enum fw3_family family;
181 struct ether_addr mac;
186 struct ether_addr mac;
192 struct list_head list;
196 struct ether_addr mac;
201 struct list_head list;
210 struct list_head list;
220 struct list_head list;
223 enum fw3_family family;
237 enum fw3_limit_unit unit;
247 uint32_t monthdays; /* bit 0 is invert + 1 .. 31 */
248 uint8_t weekdays; /* bit 0 is invert + 1 .. 7 */
261 enum fw3_flag policy_input;
262 enum fw3_flag policy_output;
263 enum fw3_flag policy_forward;
268 struct fw3_limit syn_flood_rate;
272 bool tcp_window_scaling;
274 bool accept_redirects;
275 bool accept_source_route;
286 struct list_head list;
291 enum fw3_family family;
293 enum fw3_flag policy_input;
294 enum fw3_flag policy_output;
295 enum fw3_flag policy_forward;
297 struct list_head networks;
298 struct list_head devices;
299 struct list_head subnets;
301 const char *extra_src;
302 const char *extra_dest;
305 struct list_head masq_src;
306 struct list_head masq_dest;
312 struct fw3_limit log_limit;
321 struct list_head list;
326 enum fw3_family family;
328 struct fw3_zone *_src;
329 struct fw3_zone *_dest;
331 struct fw3_device src;
332 struct fw3_device dest;
333 struct fw3_setmatch ipset;
335 struct list_head proto;
337 struct list_head ip_src;
338 struct list_head mac_src;
339 struct list_head port_src;
341 struct list_head ip_dest;
342 struct list_head port_dest;
344 struct list_head icmp_type;
346 struct fw3_limit limit;
347 struct fw3_time time;
348 struct fw3_mark mark;
350 enum fw3_flag target;
351 struct fw3_mark set_mark;
352 struct fw3_mark set_xmark;
359 struct list_head list;
364 enum fw3_family family;
366 struct fw3_zone *_src;
367 struct fw3_zone *_dest;
369 struct fw3_device src;
370 struct fw3_device dest;
371 struct fw3_setmatch ipset;
373 struct list_head proto;
375 struct fw3_address ip_src;
376 struct list_head mac_src;
377 struct fw3_port port_src;
379 struct fw3_address ip_dest;
380 struct fw3_port port_dest;
382 struct fw3_address ip_redir;
383 struct fw3_port port_redir;
385 struct fw3_limit limit;
386 struct fw3_time time;
387 struct fw3_mark mark;
389 enum fw3_flag target;
395 enum fw3_reflection_source reflection_src;
400 struct list_head list;
405 enum fw3_family family;
407 struct fw3_zone *_src;
409 struct fw3_device src;
410 struct fw3_setmatch ipset;
412 struct list_head proto;
414 struct fw3_address ip_src;
415 struct fw3_port port_src;
417 struct fw3_address ip_dest;
418 struct fw3_port port_dest;
420 struct fw3_address ip_snat;
421 struct fw3_port port_snat;
423 struct fw3_limit limit;
424 struct fw3_time time;
425 struct fw3_mark mark;
426 bool connlimit_ports;
428 enum fw3_flag target;
435 struct list_head list;
440 enum fw3_family family;
442 struct fw3_zone *_src;
443 struct fw3_zone *_dest;
445 struct fw3_device src;
446 struct fw3_device dest;
451 struct list_head list;
455 enum fw3_family family;
457 enum fw3_ipset_method method;
458 struct list_head datatypes;
460 struct fw3_address iprange;
461 struct fw3_port portrange;
469 const char *external;
476 struct list_head list;
480 enum fw3_family family;
483 enum fw3_include_type type;
490 struct uci_context *uci;
491 struct fw3_defaults defaults;
492 struct list_head zones;
493 struct list_head rules;
494 struct list_head redirects;
495 struct list_head snats;
496 struct list_head forwards;
497 struct list_head ipsets;
498 struct list_head includes;
504 struct fw3_chain_spec {
515 bool (*parse)(void *, const char *, bool);
520 #define FW3_OPT(name, parse, structure, member) \
521 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
523 #define FW3_LIST(name, parse, structure, member) \
524 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
525 sizeof(struct fw3_##structure) }
527 bool fw3_parse_bool(void *ptr, const char *val, bool is_list);
528 bool fw3_parse_int(void *ptr, const char *val, bool is_list);
529 bool fw3_parse_string(void *ptr, const char *val, bool is_list);
530 bool fw3_parse_target(void *ptr, const char *val, bool is_list);
531 bool fw3_parse_limit(void *ptr, const char *val, bool is_list);
532 bool fw3_parse_device(void *ptr, const char *val, bool is_list);
533 bool fw3_parse_address(void *ptr, const char *val, bool is_list);
534 bool fw3_parse_network(void *ptr, const char *val, bool is_list);
535 bool fw3_parse_mac(void *ptr, const char *val, bool is_list);
536 bool fw3_parse_port(void *ptr, const char *val, bool is_list);
537 bool fw3_parse_family(void *ptr, const char *val, bool is_list);
538 bool fw3_parse_icmptype(void *ptr, const char *val, bool is_list);
539 bool fw3_parse_protocol(void *ptr, const char *val, bool is_list);
541 bool fw3_parse_ipset_method(void *ptr, const char *val, bool is_list);
542 bool fw3_parse_ipset_datatype(void *ptr, const char *val, bool is_list);
544 bool fw3_parse_include_type(void *ptr, const char *val, bool is_list);
545 bool fw3_parse_reflection_source(void *ptr, const char *val, bool is_list);
547 bool fw3_parse_date(void *ptr, const char *val, bool is_list);
548 bool fw3_parse_time(void *ptr, const char *val, bool is_list);
549 bool fw3_parse_weekdays(void *ptr, const char *val, bool is_list);
550 bool fw3_parse_monthdays(void *ptr, const char *val, bool is_list);
551 bool fw3_parse_mark(void *ptr, const char *val, bool is_list);
552 bool fw3_parse_setmatch(void *ptr, const char *val, bool is_list);
554 bool fw3_parse_options(void *s, const struct fw3_option *opts,
555 struct uci_section *section);
557 const char * fw3_address_to_string(struct fw3_address *address,