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>
42 #include <libubox/list.h>
43 #include <libubox/utils.h>
45 #include "icmp_codes.h"
66 FW3_TARGET_UNSPEC = 0,
67 FW3_TARGET_ACCEPT = 6,
68 FW3_TARGET_REJECT = 7,
70 FW3_TARGET_NOTRACK = 9,
73 FW3_TARGET_SRC_ACCEPT = 12,
74 FW3_TARGET_SRC_REJECT = 13,
75 FW3_TARGET_SRC_DROP = 14,
76 FW3_TARGET_CUSTOM_CNS_V4 = 15,
77 FW3_TARGET_CUSTOM_CNS_V6 = 16,
82 FW3_DEFAULT_UNSPEC = 0,
83 FW3_DEFAULT_CUSTOM_CHAINS = 17,
84 FW3_DEFAULT_SYN_FLOOD = 18,
85 FW3_DEFAULT_MTU_FIX = 19,
86 FW3_DEFAULT_DROP_INVALID = 20,
89 extern const char *fw3_flag_names[FW3_DEFAULT_DROP_INVALID + 1];
94 FW3_LIMIT_UNIT_SECOND = 0,
95 FW3_LIMIT_UNIT_MINUTE = 1,
96 FW3_LIMIT_UNIT_HOUR = 2,
97 FW3_LIMIT_UNIT_DAY = 3,
100 enum fw3_ipset_method
102 FW3_IPSET_METHOD_UNSPEC = 0,
103 FW3_IPSET_METHOD_BITMAP = 1,
104 FW3_IPSET_METHOD_HASH = 2,
105 FW3_IPSET_METHOD_LIST = 3,
110 FW3_IPSET_TYPE_UNSPEC = 0,
111 FW3_IPSET_TYPE_IP = 1,
112 FW3_IPSET_TYPE_PORT = 2,
113 FW3_IPSET_TYPE_MAC = 3,
114 FW3_IPSET_TYPE_NET = 4,
115 FW3_IPSET_TYPE_SET = 5,
118 enum fw3_include_type
120 FW3_INC_TYPE_SCRIPT = 0,
121 FW3_INC_TYPE_RESTORE = 1,
124 struct fw3_ipset_datatype
126 struct list_head list;
127 enum fw3_ipset_type type;
133 struct list_head list;
143 struct list_head list;
148 enum fw3_family family;
153 struct ether_addr mac;
158 struct ether_addr mac;
164 struct list_head list;
168 struct ether_addr mac;
173 struct list_head list;
182 struct list_head list;
192 struct list_head list;
195 enum fw3_family family;
209 enum fw3_limit_unit unit;
219 uint32_t monthdays; /* bit 0 is invert + 1 .. 31 */
220 uint8_t weekdays; /* bit 0 is invert + 1 .. 7 */
225 enum fw3_target policy_input;
226 enum fw3_target policy_output;
227 enum fw3_target policy_forward;
232 struct fw3_limit syn_flood_rate;
236 bool tcp_window_scaling;
238 bool accept_redirects;
239 bool accept_source_route;
246 uint32_t running_flags;
251 struct list_head list;
252 struct list_head running_list;
257 enum fw3_family family;
259 enum fw3_target policy_input;
260 enum fw3_target policy_output;
261 enum fw3_target policy_forward;
263 struct list_head networks;
264 struct list_head devices;
265 struct list_head subnets;
267 const char *extra_src;
268 const char *extra_dest;
271 struct list_head masq_src;
272 struct list_head masq_dest;
278 struct fw3_limit log_limit;
283 uint32_t running_flags;
288 struct list_head list;
293 enum fw3_family family;
295 struct fw3_zone *_src;
296 struct fw3_zone *_dest;
298 struct fw3_device src;
299 struct fw3_device dest;
301 struct fw3_ipset *_ipset;
302 struct fw3_device ipset;
304 struct list_head proto;
306 struct list_head ip_src;
307 struct list_head mac_src;
308 struct list_head port_src;
310 struct list_head ip_dest;
311 struct list_head port_dest;
313 struct list_head icmp_type;
315 struct fw3_limit limit;
316 struct fw3_time time;
318 enum fw3_target target;
325 struct list_head list;
330 enum fw3_family family;
332 struct fw3_zone *_src;
333 struct fw3_zone *_dest;
335 struct fw3_device src;
336 struct fw3_device dest;
338 struct fw3_ipset *_ipset;
339 struct fw3_device ipset;
341 struct list_head proto;
343 struct fw3_address ip_src;
344 struct list_head mac_src;
345 struct fw3_port port_src;
347 struct fw3_address ip_dest;
348 struct fw3_port port_dest;
350 struct fw3_address ip_redir;
351 struct fw3_port port_redir;
353 struct fw3_time time;
355 enum fw3_target target;
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;
380 struct list_head list;
381 struct list_head running_list;
385 enum fw3_family family;
387 enum fw3_ipset_method method;
388 struct list_head datatypes;
390 struct fw3_address iprange;
391 struct fw3_port portrange;
399 const char *external;
402 uint32_t running_flags;
407 struct list_head list;
408 struct list_head running_list;
412 enum fw3_family family;
415 enum fw3_include_type type;
420 struct uci_context *uci;
421 struct fw3_defaults defaults;
422 struct list_head zones;
423 struct list_head rules;
424 struct list_head redirects;
425 struct list_head forwards;
426 struct list_head ipsets;
427 struct list_head includes;
429 struct list_head running_zones;
430 struct list_head running_ipsets;
440 bool (*parse)(void *, const char *);
445 #define FW3_OPT(name, parse, structure, member) \
446 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
448 #define FW3_LIST(name, parse, structure, member) \
449 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
450 sizeof(struct fw3_##structure) }
453 bool fw3_parse_bool(void *ptr, const char *val);
454 bool fw3_parse_int(void *ptr, const char *val);
455 bool fw3_parse_string(void *ptr, const char *val);
456 bool fw3_parse_target(void *ptr, const char *val);
457 bool fw3_parse_limit(void *ptr, const char *val);
458 bool fw3_parse_device(void *ptr, const char *val);
459 bool fw3_parse_address(void *ptr, const char *val);
460 bool fw3_parse_mac(void *ptr, const char *val);
461 bool fw3_parse_port(void *ptr, const char *val);
462 bool fw3_parse_family(void *ptr, const char *val);
463 bool fw3_parse_icmptype(void *ptr, const char *val);
464 bool fw3_parse_protocol(void *ptr, const char *val);
466 bool fw3_parse_ipset_method(void *ptr, const char *val);
467 bool fw3_parse_ipset_datatype(void *ptr, const char *val);
469 bool fw3_parse_include_type(void *ptr, const char *val);
471 bool fw3_parse_date(void *ptr, const char *val);
472 bool fw3_parse_time(void *ptr, const char *val);
473 bool fw3_parse_weekdays(void *ptr, const char *val);
474 bool fw3_parse_monthdays(void *ptr, const char *val);
476 void fw3_parse_options(void *s, const struct fw3_option *opts,
477 struct uci_section *section);
479 void fw3_format_in_out(struct fw3_device *in, struct fw3_device *out);
480 void fw3_format_src_dest(struct fw3_address *src, struct fw3_address *dest);
481 void fw3_format_sport_dport(struct fw3_port *sp, struct fw3_port *dp);
482 void fw3_format_mac(struct fw3_mac *mac);
483 void fw3_format_protocol(struct fw3_protocol *proto, enum fw3_family family);
484 void fw3_format_icmptype(struct fw3_icmptype *icmp, enum fw3_family family);
485 void fw3_format_limit(struct fw3_limit *limit);
486 void fw3_format_ipset(struct fw3_ipset *ipset, bool invert);
487 void fw3_format_time(struct fw3_time *time);
489 void __fw3_format_comment(const char *comment, ...);
490 #define fw3_format_comment(...) __fw3_format_comment(__VA_ARGS__, NULL)
492 void fw3_format_extra(const char *extra);