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_CHAINS = 15,
81 FW3_DEFAULT_UNSPEC = 0,
82 FW3_DEFAULT_CUSTOM_CHAINS = 16,
83 FW3_DEFAULT_SYN_FLOOD = 17,
84 FW3_DEFAULT_MTU_FIX = 18,
85 FW3_DEFAULT_DROP_INVALID = 19,
88 extern const char *fw3_flag_names[FW3_DEFAULT_DROP_INVALID + 1];
93 FW3_LIMIT_UNIT_SECOND = 0,
94 FW3_LIMIT_UNIT_MINUTE = 1,
95 FW3_LIMIT_UNIT_HOUR = 2,
96 FW3_LIMIT_UNIT_DAY = 3,
101 FW3_IPSET_METHOD_UNSPEC = 0,
102 FW3_IPSET_METHOD_BITMAP = 1,
103 FW3_IPSET_METHOD_HASH = 2,
104 FW3_IPSET_METHOD_LIST = 3,
109 FW3_IPSET_TYPE_UNSPEC = 0,
110 FW3_IPSET_TYPE_IP = 1,
111 FW3_IPSET_TYPE_PORT = 2,
112 FW3_IPSET_TYPE_MAC = 3,
113 FW3_IPSET_TYPE_NET = 4,
114 FW3_IPSET_TYPE_SET = 5,
117 enum fw3_include_type
119 FW3_INC_TYPE_SCRIPT = 0,
120 FW3_INC_TYPE_RESTORE = 1,
123 struct fw3_ipset_datatype
125 struct list_head list;
126 enum fw3_ipset_type type;
132 struct list_head list;
142 struct list_head list;
147 enum fw3_family family;
152 struct ether_addr mac;
157 struct ether_addr mac;
163 struct list_head list;
167 struct ether_addr mac;
172 struct list_head list;
181 struct list_head list;
191 struct list_head list;
194 enum fw3_family family;
208 enum fw3_limit_unit unit;
218 uint32_t monthdays; /* bit 0 is invert + 1 .. 31 */
219 uint8_t weekdays; /* bit 0 is invert + 1 .. 7 */
224 enum fw3_target policy_input;
225 enum fw3_target policy_output;
226 enum fw3_target policy_forward;
231 struct fw3_limit syn_flood_rate;
235 bool tcp_window_scaling;
237 bool accept_redirects;
238 bool accept_source_route;
249 struct list_head list;
250 struct list_head running_list;
255 enum fw3_family family;
257 enum fw3_target policy_input;
258 enum fw3_target policy_output;
259 enum fw3_target policy_forward;
261 struct list_head networks;
262 struct list_head devices;
263 struct list_head subnets;
265 const char *extra_src;
266 const char *extra_dest;
269 struct list_head masq_src;
270 struct list_head masq_dest;
276 struct fw3_limit log_limit;
285 struct list_head list;
290 enum fw3_family family;
292 struct fw3_zone *_src;
293 struct fw3_zone *_dest;
295 struct fw3_device src;
296 struct fw3_device dest;
298 struct fw3_ipset *_ipset;
299 struct fw3_device ipset;
301 struct list_head proto;
303 struct list_head ip_src;
304 struct list_head mac_src;
305 struct list_head port_src;
307 struct list_head ip_dest;
308 struct list_head port_dest;
310 struct list_head icmp_type;
312 struct fw3_limit limit;
313 struct fw3_time time;
315 enum fw3_target target;
322 struct list_head list;
327 enum fw3_family family;
329 struct fw3_zone *_src;
330 struct fw3_zone *_dest;
332 struct fw3_device src;
333 struct fw3_device dest;
335 struct fw3_ipset *_ipset;
336 struct fw3_device ipset;
338 struct list_head proto;
340 struct fw3_address ip_src;
341 struct list_head mac_src;
342 struct fw3_port port_src;
344 struct fw3_address ip_dest;
345 struct fw3_port port_dest;
347 struct fw3_address ip_redir;
348 struct fw3_port port_redir;
350 struct fw3_time time;
352 enum fw3_target target;
361 struct list_head list;
366 enum fw3_family family;
368 struct fw3_zone *_src;
369 struct fw3_zone *_dest;
371 struct fw3_device src;
372 struct fw3_device dest;
377 struct list_head list;
378 struct list_head running_list;
382 enum fw3_family family;
384 enum fw3_ipset_method method;
385 struct list_head datatypes;
387 struct fw3_address iprange;
388 struct fw3_port portrange;
396 const char *external;
403 struct list_head list;
404 struct list_head running_list;
408 enum fw3_family family;
411 enum fw3_include_type type;
416 struct uci_context *uci;
417 struct fw3_defaults defaults;
418 struct list_head zones;
419 struct list_head rules;
420 struct list_head redirects;
421 struct list_head forwards;
422 struct list_head ipsets;
423 struct list_head includes;
425 struct list_head running_zones;
426 struct list_head running_ipsets;
436 bool (*parse)(void *, const char *);
441 #define FW3_OPT(name, parse, structure, member) \
442 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
444 #define FW3_LIST(name, parse, structure, member) \
445 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
446 sizeof(struct fw3_##structure) }
449 bool fw3_parse_bool(void *ptr, const char *val);
450 bool fw3_parse_int(void *ptr, const char *val);
451 bool fw3_parse_string(void *ptr, const char *val);
452 bool fw3_parse_target(void *ptr, const char *val);
453 bool fw3_parse_limit(void *ptr, const char *val);
454 bool fw3_parse_device(void *ptr, const char *val);
455 bool fw3_parse_address(void *ptr, const char *val);
456 bool fw3_parse_mac(void *ptr, const char *val);
457 bool fw3_parse_port(void *ptr, const char *val);
458 bool fw3_parse_family(void *ptr, const char *val);
459 bool fw3_parse_icmptype(void *ptr, const char *val);
460 bool fw3_parse_protocol(void *ptr, const char *val);
462 bool fw3_parse_ipset_method(void *ptr, const char *val);
463 bool fw3_parse_ipset_datatype(void *ptr, const char *val);
465 bool fw3_parse_include_type(void *ptr, const char *val);
467 bool fw3_parse_date(void *ptr, const char *val);
468 bool fw3_parse_time(void *ptr, const char *val);
469 bool fw3_parse_weekdays(void *ptr, const char *val);
470 bool fw3_parse_monthdays(void *ptr, const char *val);
472 void fw3_parse_options(void *s, const struct fw3_option *opts,
473 struct uci_section *section);
475 void fw3_format_in_out(struct fw3_device *in, struct fw3_device *out);
476 void fw3_format_src_dest(struct fw3_address *src, struct fw3_address *dest);
477 void fw3_format_sport_dport(struct fw3_port *sp, struct fw3_port *dp);
478 void fw3_format_mac(struct fw3_mac *mac);
479 void fw3_format_protocol(struct fw3_protocol *proto, enum fw3_family family);
480 void fw3_format_icmptype(struct fw3_icmptype *icmp, enum fw3_family family);
481 void fw3_format_limit(struct fw3_limit *limit);
482 void fw3_format_ipset(struct fw3_ipset *ipset, bool invert);
483 void fw3_format_time(struct fw3_time *time);
485 void __fw3_format_comment(const char *comment, ...);
486 #define fw3_format_comment(...) __fw3_format_comment(__VA_ARGS__, NULL)
488 void fw3_format_extra(const char *extra);