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>
40 #include <libubox/list.h>
41 #include <libubox/utils.h>
43 #include "icmp_codes.h"
64 FW3_TARGET_UNSPEC
= 0,
65 FW3_TARGET_ACCEPT
= 6,
66 FW3_TARGET_REJECT
= 7,
68 FW3_TARGET_NOTRACK
= 9,
75 FW3_DEFAULT_UNSPEC
= 0,
76 FW3_DEFAULT_CUSTOM_CHAINS
= 12,
77 FW3_DEFAULT_SYN_FLOOD
= 13,
78 FW3_DEFAULT_MTU_FIX
= 14,
79 FW3_DEFAULT_DROP_INVALID
= 15,
82 extern const char *fw3_flag_names
[FW3_DEFAULT_DROP_INVALID
+ 1];
87 FW3_LIMIT_UNIT_SECOND
= 0,
88 FW3_LIMIT_UNIT_MINUTE
= 1,
89 FW3_LIMIT_UNIT_HOUR
= 2,
90 FW3_LIMIT_UNIT_DAY
= 3,
95 FW3_IPSET_METHOD_UNSPEC
= 0,
96 FW3_IPSET_METHOD_BITMAP
= 1,
97 FW3_IPSET_METHOD_HASH
= 2,
98 FW3_IPSET_METHOD_LIST
= 3,
103 FW3_IPSET_TYPE_UNSPEC
= 0,
104 FW3_IPSET_TYPE_IP
= 1,
105 FW3_IPSET_TYPE_PORT
= 2,
106 FW3_IPSET_TYPE_MAC
= 3,
107 FW3_IPSET_TYPE_NET
= 4,
108 FW3_IPSET_TYPE_SET
= 5,
111 struct fw3_ipset_datatype
113 struct list_head list
;
114 enum fw3_ipset_type type
;
120 struct list_head list
;
130 struct list_head list
;
135 enum fw3_family family
;
140 struct ether_addr mac
;
145 struct ether_addr mac
;
151 struct list_head list
;
155 struct ether_addr mac
;
160 struct list_head list
;
169 struct list_head list
;
179 struct list_head list
;
182 enum fw3_family family
;
196 enum fw3_limit_unit unit
;
201 enum fw3_target policy_input
;
202 enum fw3_target policy_output
;
203 enum fw3_target policy_forward
;
208 struct fw3_limit syn_flood_rate
;
213 bool tcp_window_scaling
;
215 bool accept_redirects
;
216 bool accept_source_route
;
227 struct list_head list
;
228 struct list_head running_list
;
232 enum fw3_family family
;
234 enum fw3_target policy_input
;
235 enum fw3_target policy_output
;
236 enum fw3_target policy_forward
;
238 struct list_head networks
;
239 struct list_head devices
;
240 struct list_head subnets
;
242 const char *extra_src
;
243 const char *extra_dest
;
246 struct list_head masq_src
;
247 struct list_head masq_dest
;
253 struct fw3_limit log_limit
;
263 struct list_head list
;
267 enum fw3_family family
;
269 struct fw3_zone
*_src
;
270 struct fw3_zone
*_dest
;
272 struct fw3_device src
;
273 struct fw3_device dest
;
275 struct fw3_ipset
*_ipset
;
276 struct fw3_device ipset
;
278 struct list_head proto
;
280 struct list_head ip_src
;
281 struct list_head mac_src
;
282 struct list_head port_src
;
284 struct list_head ip_dest
;
285 struct list_head port_dest
;
287 struct list_head icmp_type
;
289 enum fw3_target target
;
291 struct fw3_limit limit
;
298 struct list_head list
;
302 enum fw3_family family
;
304 struct fw3_zone
*_src
;
305 struct fw3_zone
*_dest
;
307 struct fw3_device src
;
308 struct fw3_device dest
;
310 struct fw3_ipset
*_ipset
;
311 struct fw3_device ipset
;
313 struct list_head proto
;
315 struct fw3_address ip_src
;
316 struct list_head mac_src
;
317 struct fw3_port port_src
;
319 struct fw3_address ip_dest
;
320 struct fw3_port port_dest
;
322 struct fw3_address ip_redir
;
323 struct fw3_port port_redir
;
325 enum fw3_target target
;
334 struct list_head list
;
338 enum fw3_family family
;
340 struct fw3_zone
*_src
;
341 struct fw3_zone
*_dest
;
343 struct fw3_device src
;
344 struct fw3_device dest
;
349 struct list_head list
;
350 struct list_head running_list
;
353 enum fw3_family family
;
355 enum fw3_ipset_method method
;
356 struct list_head datatypes
;
358 struct fw3_address iprange
;
359 struct fw3_port portrange
;
367 const char *external
;
374 struct uci_context
*uci
;
375 struct fw3_defaults defaults
;
376 struct list_head zones
;
377 struct list_head rules
;
378 struct list_head redirects
;
379 struct list_head forwards
;
380 struct list_head ipsets
;
382 struct fw3_defaults running_defaults
;
383 struct list_head running_zones
;
384 struct list_head running_ipsets
;
394 bool (*parse
)(void *, const char *);
399 #define FW3_OPT(name, parse, structure, member) \
400 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
402 #define FW3_LIST(name, parse, structure, member) \
403 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
404 sizeof(struct fw3_##structure) }
407 bool fw3_parse_bool(void *ptr
, const char *val
);
408 bool fw3_parse_int(void *ptr
, const char *val
);
409 bool fw3_parse_string(void *ptr
, const char *val
);
410 bool fw3_parse_target(void *ptr
, const char *val
);
411 bool fw3_parse_limit(void *ptr
, const char *val
);
412 bool fw3_parse_device(void *ptr
, const char *val
);
413 bool fw3_parse_address(void *ptr
, const char *val
);
414 bool fw3_parse_mac(void *ptr
, const char *val
);
415 bool fw3_parse_port(void *ptr
, const char *val
);
416 bool fw3_parse_family(void *ptr
, const char *val
);
417 bool fw3_parse_icmptype(void *ptr
, const char *val
);
418 bool fw3_parse_protocol(void *ptr
, const char *val
);
419 bool fw3_parse_ipset_method(void *ptr
, const char *val
);
420 bool fw3_parse_ipset_datatype(void *ptr
, const char *val
);
422 void fw3_parse_options(void *s
, const struct fw3_option
*opts
,
423 struct uci_section
*section
);
425 void fw3_format_in_out(struct fw3_device
*in
, struct fw3_device
*out
);
426 void fw3_format_src_dest(struct fw3_address
*src
, struct fw3_address
*dest
);
427 void fw3_format_sport_dport(struct fw3_port
*sp
, struct fw3_port
*dp
);
428 void fw3_format_mac(struct fw3_mac
*mac
);
429 void fw3_format_protocol(struct fw3_protocol
*proto
, enum fw3_family family
);
430 void fw3_format_icmptype(struct fw3_icmptype
*icmp
, enum fw3_family family
);
431 void fw3_format_limit(struct fw3_limit
*limit
);
432 void fw3_format_ipset(struct fw3_ipset
*ipset
, bool invert
);
434 void __fw3_format_comment(const char *comment
, ...);
435 #define fw3_format_comment(...) __fw3_format_comment(__VA_ARGS__, NULL)
437 void fw3_format_extra(const char *extra
);