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"
74 FW3_FLAG_SRC_ACCEPT = 13,
75 FW3_FLAG_SRC_REJECT = 14,
76 FW3_FLAG_SRC_DROP = 15,
77 FW3_FLAG_CUSTOM_CHAINS = 16,
78 FW3_FLAG_SYN_FLOOD = 17,
79 FW3_FLAG_MTU_FIX = 18,
80 FW3_FLAG_DROP_INVALID = 19,
81 FW3_FLAG_HOTPLUG = 20,
86 extern const char *fw3_flag_names[__FW3_FLAG_MAX];
91 FW3_LIMIT_UNIT_SECOND = 0,
92 FW3_LIMIT_UNIT_MINUTE = 1,
93 FW3_LIMIT_UNIT_HOUR = 2,
94 FW3_LIMIT_UNIT_DAY = 3,
99 FW3_IPSET_METHOD_UNSPEC = 0,
100 FW3_IPSET_METHOD_BITMAP = 1,
101 FW3_IPSET_METHOD_HASH = 2,
102 FW3_IPSET_METHOD_LIST = 3,
107 FW3_IPSET_TYPE_UNSPEC = 0,
108 FW3_IPSET_TYPE_IP = 1,
109 FW3_IPSET_TYPE_PORT = 2,
110 FW3_IPSET_TYPE_MAC = 3,
111 FW3_IPSET_TYPE_NET = 4,
112 FW3_IPSET_TYPE_SET = 5,
115 enum fw3_include_type
117 FW3_INC_TYPE_SCRIPT = 0,
118 FW3_INC_TYPE_RESTORE = 1,
121 enum fw3_reflection_source
123 FW3_REFLECTION_INTERNAL = 0,
124 FW3_REFLECTION_EXTERNAL = 1,
127 struct fw3_ipset_datatype
129 struct list_head list;
130 enum fw3_ipset_type type;
136 struct list_head list;
142 struct fw3_device *network;
147 struct list_head list;
152 enum fw3_family family;
157 struct ether_addr mac;
162 struct ether_addr mac;
168 struct list_head list;
172 struct ether_addr mac;
177 struct list_head list;
186 struct list_head list;
196 struct list_head list;
199 enum fw3_family family;
213 enum fw3_limit_unit unit;
223 uint32_t monthdays; /* bit 0 is invert + 1 .. 31 */
224 uint8_t weekdays; /* bit 0 is invert + 1 .. 7 */
237 enum fw3_flag policy_input;
238 enum fw3_flag policy_output;
239 enum fw3_flag policy_forward;
244 struct fw3_limit syn_flood_rate;
248 bool tcp_window_scaling;
250 bool accept_redirects;
251 bool accept_source_route;
262 struct list_head list;
267 enum fw3_family family;
269 enum fw3_flag policy_input;
270 enum fw3_flag policy_output;
271 enum fw3_flag policy_forward;
273 struct list_head networks;
274 struct list_head devices;
275 struct list_head subnets;
277 const char *extra_src;
278 const char *extra_dest;
281 struct list_head masq_src;
282 struct list_head masq_dest;
288 struct fw3_limit log_limit;
297 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 list_head ip_src;
316 struct list_head mac_src;
317 struct list_head port_src;
319 struct list_head ip_dest;
320 struct list_head port_dest;
322 struct list_head icmp_type;
324 struct fw3_limit limit;
325 struct fw3_time time;
326 struct fw3_mark mark;
328 enum fw3_flag target;
329 struct fw3_mark set_mark;
330 struct fw3_mark set_xmark;
337 struct list_head list;
342 enum fw3_family family;
344 struct fw3_zone *_src;
345 struct fw3_zone *_dest;
347 struct fw3_device src;
348 struct fw3_device dest;
350 struct fw3_ipset *_ipset;
351 struct fw3_device ipset;
353 struct list_head proto;
355 struct fw3_address ip_src;
356 struct list_head mac_src;
357 struct fw3_port port_src;
359 struct fw3_address ip_dest;
360 struct fw3_port port_dest;
362 struct fw3_address ip_redir;
363 struct fw3_port port_redir;
365 struct fw3_time time;
366 struct fw3_mark mark;
368 enum fw3_flag target;
373 enum fw3_reflection_source reflection_src;
378 struct list_head list;
383 enum fw3_family family;
385 struct fw3_zone *_src;
386 struct fw3_zone *_dest;
388 struct fw3_device src;
389 struct fw3_device dest;
394 struct list_head list;
398 enum fw3_family family;
400 enum fw3_ipset_method method;
401 struct list_head datatypes;
403 struct fw3_address iprange;
404 struct fw3_port portrange;
412 const char *external;
419 struct list_head list;
423 enum fw3_family family;
426 enum fw3_include_type type;
433 struct uci_context *uci;
434 struct fw3_defaults defaults;
435 struct list_head zones;
436 struct list_head rules;
437 struct list_head redirects;
438 struct list_head forwards;
439 struct list_head ipsets;
440 struct list_head includes;
450 bool (*parse)(void *, const char *, bool);
455 #define FW3_OPT(name, parse, structure, member) \
456 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
458 #define FW3_LIST(name, parse, structure, member) \
459 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
460 sizeof(struct fw3_##structure) }
462 bool fw3_parse_bool(void *ptr, const char *val, bool is_list);
463 bool fw3_parse_int(void *ptr, const char *val, bool is_list);
464 bool fw3_parse_string(void *ptr, const char *val, bool is_list);
465 bool fw3_parse_target(void *ptr, const char *val, bool is_list);
466 bool fw3_parse_limit(void *ptr, const char *val, bool is_list);
467 bool fw3_parse_device(void *ptr, const char *val, bool is_list);
468 bool fw3_parse_address(void *ptr, const char *val, bool is_list);
469 bool fw3_parse_network(void *ptr, const char *val, bool is_list);
470 bool fw3_parse_mac(void *ptr, const char *val, bool is_list);
471 bool fw3_parse_port(void *ptr, const char *val, bool is_list);
472 bool fw3_parse_family(void *ptr, const char *val, bool is_list);
473 bool fw3_parse_icmptype(void *ptr, const char *val, bool is_list);
474 bool fw3_parse_protocol(void *ptr, const char *val, bool is_list);
476 bool fw3_parse_ipset_method(void *ptr, const char *val, bool is_list);
477 bool fw3_parse_ipset_datatype(void *ptr, const char *val, bool is_list);
479 bool fw3_parse_include_type(void *ptr, const char *val, bool is_list);
480 bool fw3_parse_reflection_source(void *ptr, const char *val, bool is_list);
482 bool fw3_parse_date(void *ptr, const char *val, bool is_list);
483 bool fw3_parse_time(void *ptr, const char *val, bool is_list);
484 bool fw3_parse_weekdays(void *ptr, const char *val, bool is_list);
485 bool fw3_parse_monthdays(void *ptr, const char *val, bool is_list);
486 bool fw3_parse_mark(void *ptr, const char *val, bool is_list);
488 void fw3_parse_options(void *s, const struct fw3_option *opts,
489 struct uci_section *section);
491 const char * fw3_address_to_string(struct fw3_address *address,
494 void fw3_format_in_out(struct fw3_device *in, struct fw3_device *out);
495 void fw3_format_src_dest(struct fw3_address *src, struct fw3_address *dest);
496 void fw3_format_sport_dport(struct fw3_port *sp, struct fw3_port *dp);
497 void fw3_format_mac(struct fw3_mac *mac);
498 void fw3_format_protocol(struct fw3_protocol *proto, enum fw3_family family);
499 void fw3_format_icmptype(struct fw3_icmptype *icmp, enum fw3_family family);
500 void fw3_format_limit(struct fw3_limit *limit);
501 void fw3_format_ipset(struct fw3_ipset *ipset, bool invert);
502 void fw3_format_time(struct fw3_time *time);
503 void fw3_format_mark(struct fw3_mark *mark);
505 void __fw3_format_comment(const char *comment, ...);
506 #define fw3_format_comment(...) __fw3_format_comment(__VA_ARGS__, NULL)
508 void fw3_format_extra(const char *extra);