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);