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>
44 #include <libubox/blobmsg.h>
46 #include "icmp_codes.h"
75 FW3_FLAG_MASQUERADE = 13,
76 FW3_FLAG_SRC_ACCEPT = 14,
77 FW3_FLAG_SRC_REJECT = 15,
78 FW3_FLAG_SRC_DROP = 16,
79 FW3_FLAG_CUSTOM_CHAINS = 17,
80 FW3_FLAG_SYN_FLOOD = 18,
81 FW3_FLAG_MTU_FIX = 19,
82 FW3_FLAG_DROP_INVALID = 20,
83 FW3_FLAG_HOTPLUG = 21,
88 extern const char *fw3_flag_names[__FW3_FLAG_MAX];
93 FW3_LIMIT_UNIT_SECOND = 0,
94 FW3_LIMIT_UNIT_MINUTE = 1,
95 FW3_LIMIT_UNIT_HOUR = 2,
96 FW3_LIMIT_UNIT_DAY = 3,
101 extern const char *fw3_limit_units[__FW3_LIMIT_UNIT_MAX];
104 enum fw3_ipset_method
106 FW3_IPSET_METHOD_UNSPEC = 0,
107 FW3_IPSET_METHOD_BITMAP = 1,
108 FW3_IPSET_METHOD_HASH = 2,
109 FW3_IPSET_METHOD_LIST = 3,
111 __FW3_IPSET_METHOD_MAX
116 FW3_IPSET_TYPE_UNSPEC = 0,
117 FW3_IPSET_TYPE_IP = 1,
118 FW3_IPSET_TYPE_PORT = 2,
119 FW3_IPSET_TYPE_MAC = 3,
120 FW3_IPSET_TYPE_NET = 4,
121 FW3_IPSET_TYPE_SET = 5,
126 extern const char *fw3_ipset_method_names[__FW3_IPSET_METHOD_MAX];
127 extern const char *fw3_ipset_type_names[__FW3_IPSET_TYPE_MAX];
130 enum fw3_include_type
132 FW3_INC_TYPE_SCRIPT = 0,
133 FW3_INC_TYPE_RESTORE = 1,
136 enum fw3_reflection_source
138 FW3_REFLECTION_INTERNAL = 0,
139 FW3_REFLECTION_EXTERNAL = 1,
142 struct fw3_ipset_datatype
144 struct list_head list;
145 enum fw3_ipset_type type;
155 struct fw3_ipset *ptr;
160 struct list_head list;
171 struct list_head list;
177 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;
318 struct list_head old_addrs;
323 struct list_head list;
328 enum fw3_family family;
330 struct fw3_zone *_src;
331 struct fw3_zone *_dest;
336 struct fw3_device src;
337 struct fw3_device dest;
338 struct fw3_setmatch ipset;
340 struct list_head proto;
342 struct list_head ip_src;
343 struct list_head mac_src;
344 struct list_head port_src;
346 struct list_head ip_dest;
347 struct list_head port_dest;
349 struct list_head icmp_type;
351 struct fw3_limit limit;
352 struct fw3_time time;
353 struct fw3_mark mark;
355 enum fw3_flag target;
356 struct fw3_mark set_mark;
357 struct fw3_mark set_xmark;
364 struct list_head list;
369 enum fw3_family family;
371 struct fw3_zone *_src;
372 struct fw3_zone *_dest;
374 struct fw3_device src;
375 struct fw3_device dest;
376 struct fw3_setmatch ipset;
378 struct list_head proto;
380 struct fw3_address ip_src;
381 struct list_head mac_src;
382 struct fw3_port port_src;
384 struct fw3_address ip_dest;
385 struct fw3_port port_dest;
387 struct fw3_address ip_redir;
388 struct fw3_port port_redir;
390 struct fw3_limit limit;
391 struct fw3_time time;
392 struct fw3_mark mark;
394 enum fw3_flag target;
400 enum fw3_reflection_source reflection_src;
405 struct list_head list;
410 enum fw3_family family;
412 struct fw3_zone *_src;
414 struct fw3_device src;
415 struct fw3_setmatch ipset;
418 struct list_head proto;
420 struct fw3_address ip_src;
421 struct fw3_port port_src;
423 struct fw3_address ip_dest;
424 struct fw3_port port_dest;
426 struct fw3_address ip_snat;
427 struct fw3_port port_snat;
429 struct fw3_limit limit;
430 struct fw3_time time;
431 struct fw3_mark mark;
432 bool connlimit_ports;
434 enum fw3_flag target;
441 struct list_head list;
446 enum fw3_family family;
448 struct fw3_zone *_src;
449 struct fw3_zone *_dest;
451 struct fw3_device src;
452 struct fw3_device dest;
457 struct list_head list;
461 enum fw3_family family;
463 enum fw3_ipset_method method;
464 struct list_head datatypes;
466 struct fw3_address iprange;
467 struct fw3_port portrange;
475 const char *external;
482 struct list_head list;
486 enum fw3_family family;
489 enum fw3_include_type type;
496 struct uci_context *uci;
497 struct fw3_defaults defaults;
498 struct list_head zones;
499 struct list_head rules;
500 struct list_head redirects;
501 struct list_head snats;
502 struct list_head forwards;
503 struct list_head ipsets;
504 struct list_head includes;
510 struct fw3_chain_spec {
521 bool (*parse)(void *, const char *, bool);
526 #define FW3_OPT(name, parse, structure, member) \
527 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
529 #define FW3_LIST(name, parse, structure, member) \
530 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
531 sizeof(struct fw3_##structure) }
533 bool fw3_parse_bool(void *ptr, const char *val, bool is_list);
534 bool fw3_parse_int(void *ptr, const char *val, bool is_list);
535 bool fw3_parse_string(void *ptr, const char *val, bool is_list);
536 bool fw3_parse_target(void *ptr, const char *val, bool is_list);
537 bool fw3_parse_limit(void *ptr, const char *val, bool is_list);
538 bool fw3_parse_device(void *ptr, const char *val, bool is_list);
539 bool fw3_parse_address(void *ptr, const char *val, bool is_list);
540 bool fw3_parse_network(void *ptr, const char *val, bool is_list);
541 bool fw3_parse_mac(void *ptr, const char *val, bool is_list);
542 bool fw3_parse_port(void *ptr, const char *val, bool is_list);
543 bool fw3_parse_family(void *ptr, const char *val, bool is_list);
544 bool fw3_parse_icmptype(void *ptr, const char *val, bool is_list);
545 bool fw3_parse_protocol(void *ptr, const char *val, bool is_list);
547 bool fw3_parse_ipset_method(void *ptr, const char *val, bool is_list);
548 bool fw3_parse_ipset_datatype(void *ptr, const char *val, bool is_list);
550 bool fw3_parse_include_type(void *ptr, const char *val, bool is_list);
551 bool fw3_parse_reflection_source(void *ptr, const char *val, bool is_list);
553 bool fw3_parse_date(void *ptr, const char *val, bool is_list);
554 bool fw3_parse_time(void *ptr, const char *val, bool is_list);
555 bool fw3_parse_weekdays(void *ptr, const char *val, bool is_list);
556 bool fw3_parse_monthdays(void *ptr, const char *val, bool is_list);
557 bool fw3_parse_mark(void *ptr, const char *val, bool is_list);
558 bool fw3_parse_setmatch(void *ptr, const char *val, bool is_list);
559 bool fw3_parse_direction(void *ptr, const char *val, bool is_list);
561 bool fw3_parse_options(void *s, const struct fw3_option *opts,
562 struct uci_section *section);
563 bool fw3_parse_blob_options(void *s, const struct fw3_option *opts,
564 struct blob_attr *a);
566 const char * fw3_address_to_string(struct fw3_address *address,
567 bool allow_invert, bool as_cidr);