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
,