2 * firewall3 - 3rd OpenWrt UCI firewall implementation
4 * Copyright (C) 2013-2014 Jo-Philipp Wich <jo@mein.io>
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>
37 #include <netinet/in.h>
38 #include <netinet/ether.h>
44 #include <libubox/list.h>
45 #include <libubox/utils.h>
46 #include <libubox/blobmsg.h>
48 #include "icmp_codes.h"
77 FW3_FLAG_MASQUERADE = 13,
78 FW3_FLAG_SRC_ACCEPT = 14,
79 FW3_FLAG_SRC_REJECT = 15,
80 FW3_FLAG_SRC_DROP = 16,
81 FW3_FLAG_CUSTOM_CHAINS = 17,
82 FW3_FLAG_SYN_FLOOD = 18,
83 FW3_FLAG_MTU_FIX = 19,
84 FW3_FLAG_DROP_INVALID = 20,
85 FW3_FLAG_HOTPLUG = 21,
90 extern const char *fw3_flag_names[__FW3_FLAG_MAX];
95 FW3_LIMIT_UNIT_SECOND = 0,
96 FW3_LIMIT_UNIT_MINUTE = 1,
97 FW3_LIMIT_UNIT_HOUR = 2,
98 FW3_LIMIT_UNIT_DAY = 3,
103 extern const char *fw3_limit_units[__FW3_LIMIT_UNIT_MAX];
106 enum fw3_ipset_method
108 FW3_IPSET_METHOD_UNSPEC = 0,
109 FW3_IPSET_METHOD_BITMAP = 1,
110 FW3_IPSET_METHOD_HASH = 2,
111 FW3_IPSET_METHOD_LIST = 3,
113 __FW3_IPSET_METHOD_MAX
118 FW3_IPSET_TYPE_UNSPEC = 0,
119 FW3_IPSET_TYPE_IP = 1,
120 FW3_IPSET_TYPE_PORT = 2,
121 FW3_IPSET_TYPE_MAC = 3,
122 FW3_IPSET_TYPE_NET = 4,
123 FW3_IPSET_TYPE_SET = 5,
128 extern const char *fw3_ipset_method_names[__FW3_IPSET_METHOD_MAX];
129 extern const char *fw3_ipset_type_names[__FW3_IPSET_TYPE_MAX];
132 enum fw3_include_type
134 FW3_INC_TYPE_SCRIPT = 0,
135 FW3_INC_TYPE_RESTORE = 1,
138 enum fw3_reflection_source
140 FW3_REFLECTION_INTERNAL = 0,
141 FW3_REFLECTION_EXTERNAL = 1,
144 struct fw3_ipset_datatype
146 struct list_head list;
147 enum fw3_ipset_type type;
157 struct fw3_ipset *ptr;
162 struct list_head list;
173 struct list_head list;
179 enum fw3_family family;
183 struct ether_addr mac;
188 struct ether_addr mac;
194 struct list_head list;
198 struct ether_addr mac;
203 struct list_head list;
212 struct list_head list;
222 struct list_head list;
225 enum fw3_family family;
239 enum fw3_limit_unit unit;
249 uint32_t monthdays; /* bit 0 is invert + 1 .. 31 */
250 uint8_t weekdays; /* bit 0 is invert + 1 .. 7 */
263 enum fw3_flag policy_input;
264 enum fw3_flag policy_output;
265 enum fw3_flag policy_forward;
270 struct fw3_limit syn_flood_rate;
274 bool tcp_window_scaling;
276 bool accept_redirects;
277 bool accept_source_route;
288 struct list_head list;
293 enum fw3_family family;
295 enum fw3_flag policy_input;
296 enum fw3_flag policy_output;
297 enum fw3_flag policy_forward;
299 struct list_head networks;
300 struct list_head devices;
301 struct list_head subnets;
303 const char *extra_src;
304 const char *extra_dest;
307 bool masq_allow_invalid;
308 struct list_head masq_src;
309 struct list_head masq_dest;
314 struct fw3_limit log_limit;
320 struct list_head old_addrs;
325 struct list_head list;
330 enum fw3_family family;
332 struct fw3_zone *_src;
333 struct fw3_zone *_dest;
338 struct fw3_device src;
339 struct fw3_device dest;
340 struct fw3_setmatch ipset;
342 struct list_head proto;
344 struct list_head ip_src;
345 struct list_head mac_src;
346 struct list_head port_src;
348 struct list_head ip_dest;
349 struct list_head port_dest;
351 struct list_head icmp_type;
353 struct fw3_limit limit;
354 struct fw3_time time;
355 struct fw3_mark mark;
357 enum fw3_flag target;
358 struct fw3_mark set_mark;
359 struct fw3_mark set_xmark;
366 struct list_head list;
371 enum fw3_family family;
373 struct fw3_zone *_src;
374 struct fw3_zone *_dest;
376 struct fw3_device src;
377 struct fw3_device dest;
378 struct fw3_setmatch ipset;
380 struct list_head proto;
382 struct fw3_address ip_src;
383 struct list_head mac_src;
384 struct fw3_port port_src;
386 struct fw3_address ip_dest;
387 struct fw3_port port_dest;
389 struct fw3_address ip_redir;
390 struct fw3_port port_redir;
392 struct fw3_limit limit;
393 struct fw3_time time;
394 struct fw3_mark mark;
396 enum fw3_flag target;
402 enum fw3_reflection_source reflection_src;
407 struct list_head list;
412 enum fw3_family family;
414 struct fw3_zone *_src;
416 struct fw3_device src;
417 struct fw3_setmatch ipset;
420 struct list_head proto;
422 struct fw3_address ip_src;
423 struct fw3_port port_src;
425 struct fw3_address ip_dest;
426 struct fw3_port port_dest;
428 struct fw3_address ip_snat;
429 struct fw3_port port_snat;
431 struct fw3_limit limit;
432 struct fw3_time time;
433 struct fw3_mark mark;
434 bool connlimit_ports;
436 enum fw3_flag target;
443 struct list_head list;
448 enum fw3_family family;
450 struct fw3_zone *_src;
451 struct fw3_zone *_dest;
453 struct fw3_device src;
454 struct fw3_device dest;
459 struct list_head list;
463 enum fw3_family family;
465 enum fw3_ipset_method method;
466 struct list_head datatypes;
468 struct fw3_address iprange;
469 struct fw3_port portrange;
477 const char *external;
484 struct list_head list;
488 enum fw3_family family;
491 enum fw3_include_type type;
498 struct uci_context *uci;
499 struct fw3_defaults defaults;
500 struct list_head zones;
501 struct list_head rules;
502 struct list_head redirects;
503 struct list_head snats;
504 struct list_head forwards;
505 struct list_head ipsets;
506 struct list_head includes;
512 struct fw3_chain_spec {
523 bool (*parse)(void *, const char *, bool);
528 #define FW3_OPT(name, parse, structure, member) \
529 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
531 #define FW3_LIST(name, parse, structure, member) \
532 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
533 sizeof(struct fw3_##structure) }
535 bool fw3_parse_bool(void *ptr, const char *val, bool is_list);
536 bool fw3_parse_int(void *ptr, const char *val, bool is_list);
537 bool fw3_parse_string(void *ptr, const char *val, bool is_list);
538 bool fw3_parse_target(void *ptr, const char *val, bool is_list);
539 bool fw3_parse_limit(void *ptr, const char *val, bool is_list);
540 bool fw3_parse_device(void *ptr, const char *val, bool is_list);
541 bool fw3_parse_address(void *ptr, const char *val, bool is_list);
542 bool fw3_parse_network(void *ptr, const char *val, bool is_list);
543 bool fw3_parse_mac(void *ptr, const char *val, bool is_list);
544 bool fw3_parse_port(void *ptr, const char *val, bool is_list);
545 bool fw3_parse_family(void *ptr, const char *val, bool is_list);
546 bool fw3_parse_icmptype(void *ptr, const char *val, bool is_list);
547 bool fw3_parse_protocol(void *ptr, const char *val, bool is_list);
549 bool fw3_parse_ipset_method(void *ptr, const char *val, bool is_list);
550 bool fw3_parse_ipset_datatype(void *ptr, const char *val, bool is_list);
552 bool fw3_parse_include_type(void *ptr, const char *val, bool is_list);
553 bool fw3_parse_reflection_source(void *ptr, const char *val, bool is_list);
555 bool fw3_parse_date(void *ptr, const char *val, bool is_list);
556 bool fw3_parse_time(void *ptr, const char *val, bool is_list);
557 bool fw3_parse_weekdays(void *ptr, const char *val, bool is_list);
558 bool fw3_parse_monthdays(void *ptr, const char *val, bool is_list);
559 bool fw3_parse_mark(void *ptr, const char *val, bool is_list);
560 bool fw3_parse_setmatch(void *ptr, const char *val, bool is_list);
561 bool fw3_parse_direction(void *ptr, const char *val, bool is_list);
563 bool fw3_parse_options(void *s, const struct fw3_option *opts,
564 struct uci_section *section);
565 bool fw3_parse_blob_options(void *s, const struct fw3_option *opts,
566 struct blob_attr *a, const char *name);
568 const char * fw3_address_to_string(struct fw3_address *address,
569 bool allow_invert, bool as_cidr);