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_CUSTOM_CHAINS = 12, /* alias to FW3_DEFAULT_CUSTOM_CHAINS */
78 FW3_DEFAULT_UNSPEC = 0,
79 FW3_DEFAULT_CUSTOM_CHAINS = 12,
80 FW3_DEFAULT_SYN_FLOOD = 13,
81 FW3_DEFAULT_MTU_FIX = 14,
82 FW3_DEFAULT_DROP_INVALID = 15,
85 extern const char *fw3_flag_names[FW3_DEFAULT_DROP_INVALID + 1];
90 FW3_LIMIT_UNIT_SECOND = 0,
91 FW3_LIMIT_UNIT_MINUTE = 1,
92 FW3_LIMIT_UNIT_HOUR = 2,
93 FW3_LIMIT_UNIT_DAY = 3,
98 FW3_IPSET_METHOD_UNSPEC = 0,
99 FW3_IPSET_METHOD_BITMAP = 1,
100 FW3_IPSET_METHOD_HASH = 2,
101 FW3_IPSET_METHOD_LIST = 3,
106 FW3_IPSET_TYPE_UNSPEC = 0,
107 FW3_IPSET_TYPE_IP = 1,
108 FW3_IPSET_TYPE_PORT = 2,
109 FW3_IPSET_TYPE_MAC = 3,
110 FW3_IPSET_TYPE_NET = 4,
111 FW3_IPSET_TYPE_SET = 5,
114 enum fw3_include_type
116 FW3_INC_TYPE_SCRIPT = 0,
117 FW3_INC_TYPE_RESTORE = 1,
120 struct fw3_ipset_datatype
122 struct list_head list;
123 enum fw3_ipset_type type;
129 struct list_head list;
139 struct list_head list;
144 enum fw3_family family;
149 struct ether_addr mac;
154 struct ether_addr mac;
160 struct list_head list;
164 struct ether_addr mac;
169 struct list_head list;
178 struct list_head list;
188 struct list_head list;
191 enum fw3_family family;
205 enum fw3_limit_unit unit;
215 uint32_t monthdays; /* bit 0 is invert + 1 .. 31 */
216 uint8_t weekdays; /* bit 0 is invert + 1 .. 7 */
221 enum fw3_target policy_input;
222 enum fw3_target policy_output;
223 enum fw3_target policy_forward;
228 struct fw3_limit syn_flood_rate;
232 bool tcp_window_scaling;
234 bool accept_redirects;
235 bool accept_source_route;
246 struct list_head list;
247 struct list_head running_list;
252 enum fw3_family family;
254 enum fw3_target policy_input;
255 enum fw3_target policy_output;
256 enum fw3_target policy_forward;
258 struct list_head networks;
259 struct list_head devices;
260 struct list_head subnets;
262 const char *extra_src;
263 const char *extra_dest;
266 struct list_head masq_src;
267 struct list_head masq_dest;
273 struct fw3_limit log_limit;
283 struct list_head list;
288 enum fw3_family family;
290 struct fw3_zone *_src;
291 struct fw3_zone *_dest;
293 struct fw3_device src;
294 struct fw3_device dest;
296 struct fw3_ipset *_ipset;
297 struct fw3_device ipset;
299 struct list_head proto;
301 struct list_head ip_src;
302 struct list_head mac_src;
303 struct list_head port_src;
305 struct list_head ip_dest;
306 struct list_head port_dest;
308 struct list_head icmp_type;
310 struct fw3_limit limit;
311 struct fw3_time time;
313 enum fw3_target target;
320 struct list_head list;
325 enum fw3_family family;
327 struct fw3_zone *_src;
328 struct fw3_zone *_dest;
330 struct fw3_device src;
331 struct fw3_device dest;
333 struct fw3_ipset *_ipset;
334 struct fw3_device ipset;
336 struct list_head proto;
338 struct fw3_address ip_src;
339 struct list_head mac_src;
340 struct fw3_port port_src;
342 struct fw3_address ip_dest;
343 struct fw3_port port_dest;
345 struct fw3_address ip_redir;
346 struct fw3_port port_redir;
348 struct fw3_time time;
350 enum fw3_target target;
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;
375 struct list_head list;
376 struct list_head running_list;
380 enum fw3_family family;
382 enum fw3_ipset_method method;
383 struct list_head datatypes;
385 struct fw3_address iprange;
386 struct fw3_port portrange;
394 const char *external;
401 struct list_head list;
402 struct list_head running_list;
406 enum fw3_family family;
409 enum fw3_include_type type;
414 struct uci_context *uci;
415 struct fw3_defaults defaults;
416 struct list_head zones;
417 struct list_head rules;
418 struct list_head redirects;
419 struct list_head forwards;
420 struct list_head ipsets;
421 struct list_head includes;
423 struct fw3_defaults running_defaults;
424 struct list_head running_zones;
425 struct list_head running_ipsets;
435 bool (*parse)(void *, const char *);
440 #define FW3_OPT(name, parse, structure, member) \
441 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
443 #define FW3_LIST(name, parse, structure, member) \
444 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
445 sizeof(struct fw3_##structure) }
448 bool fw3_parse_bool(void *ptr, const char *val);
449 bool fw3_parse_int(void *ptr, const char *val);
450 bool fw3_parse_string(void *ptr, const char *val);
451 bool fw3_parse_target(void *ptr, const char *val);
452 bool fw3_parse_limit(void *ptr, const char *val);
453 bool fw3_parse_device(void *ptr, const char *val);
454 bool fw3_parse_address(void *ptr, const char *val);
455 bool fw3_parse_mac(void *ptr, const char *val);
456 bool fw3_parse_port(void *ptr, const char *val);
457 bool fw3_parse_family(void *ptr, const char *val);
458 bool fw3_parse_icmptype(void *ptr, const char *val);
459 bool fw3_parse_protocol(void *ptr, const char *val);
461 bool fw3_parse_ipset_method(void *ptr, const char *val);
462 bool fw3_parse_ipset_datatype(void *ptr, const char *val);
464 bool fw3_parse_include_type(void *ptr, const char *val);
466 bool fw3_parse_date(void *ptr, const char *val);
467 bool fw3_parse_time(void *ptr, const char *val);
468 bool fw3_parse_weekdays(void *ptr, const char *val);
469 bool fw3_parse_monthdays(void *ptr, const char *val);
471 void fw3_parse_options(void *s, const struct fw3_option *opts,
472 struct uci_section *section);
474 void fw3_format_in_out(struct fw3_device *in, struct fw3_device *out);
475 void fw3_format_src_dest(struct fw3_address *src, struct fw3_address *dest);
476 void fw3_format_sport_dport(struct fw3_port *sp, struct fw3_port *dp);
477 void fw3_format_mac(struct fw3_mac *mac);
478 void fw3_format_protocol(struct fw3_protocol *proto, enum fw3_family family);
479 void fw3_format_icmptype(struct fw3_icmptype *icmp, enum fw3_family family);
480 void fw3_format_limit(struct fw3_limit *limit);
481 void fw3_format_ipset(struct fw3_ipset *ipset, bool invert);
482 void fw3_format_time(struct fw3_time *time);
484 void __fw3_format_comment(const char *comment, ...);
485 #define fw3_format_comment(...) __fw3_format_comment(__VA_ARGS__, NULL)
487 void fw3_format_extra(const char *extra);