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 extern const char *fw3_limit_units[__FW3_LIMIT_UNIT_MAX];
102 enum fw3_ipset_method
104 FW3_IPSET_METHOD_UNSPEC = 0,
105 FW3_IPSET_METHOD_BITMAP = 1,
106 FW3_IPSET_METHOD_HASH = 2,
107 FW3_IPSET_METHOD_LIST = 3,
109 __FW3_IPSET_METHOD_MAX
114 FW3_IPSET_TYPE_UNSPEC = 0,
115 FW3_IPSET_TYPE_IP = 1,
116 FW3_IPSET_TYPE_PORT = 2,
117 FW3_IPSET_TYPE_MAC = 3,
118 FW3_IPSET_TYPE_NET = 4,
119 FW3_IPSET_TYPE_SET = 5,
124 extern const char *fw3_ipset_method_names[__FW3_IPSET_METHOD_MAX];
125 extern const char *fw3_ipset_type_names[__FW3_IPSET_TYPE_MAX];
128 enum fw3_include_type
130 FW3_INC_TYPE_SCRIPT = 0,
131 FW3_INC_TYPE_RESTORE = 1,
134 enum fw3_reflection_source
136 FW3_REFLECTION_INTERNAL = 0,
137 FW3_REFLECTION_EXTERNAL = 1,
140 struct fw3_ipset_datatype
142 struct list_head list;
143 enum fw3_ipset_type type;
153 struct fw3_ipset *ptr;
158 struct list_head list;
169 struct list_head list;
175 enum fw3_family family;
180 struct ether_addr mac;
185 struct ether_addr mac;
191 struct list_head list;
195 struct ether_addr mac;
200 struct list_head list;
209 struct list_head list;
219 struct list_head list;
222 enum fw3_family family;
236 enum fw3_limit_unit unit;
246 uint32_t monthdays; /* bit 0 is invert + 1 .. 31 */
247 uint8_t weekdays; /* bit 0 is invert + 1 .. 7 */
260 enum fw3_flag policy_input;
261 enum fw3_flag policy_output;
262 enum fw3_flag policy_forward;
267 struct fw3_limit syn_flood_rate;
271 bool tcp_window_scaling;
273 bool accept_redirects;
274 bool accept_source_route;
285 struct list_head list;
290 enum fw3_family family;
292 enum fw3_flag policy_input;
293 enum fw3_flag policy_output;
294 enum fw3_flag policy_forward;
296 struct list_head networks;
297 struct list_head devices;
298 struct list_head subnets;
300 const char *extra_src;
301 const char *extra_dest;
304 struct list_head masq_src;
305 struct list_head masq_dest;
311 struct fw3_limit log_limit;
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;
332 struct fw3_setmatch ipset;
334 struct list_head proto;
336 struct list_head ip_src;
337 struct list_head mac_src;
338 struct list_head port_src;
340 struct list_head ip_dest;
341 struct list_head port_dest;
343 struct list_head icmp_type;
345 struct fw3_limit limit;
346 struct fw3_time time;
347 struct fw3_mark mark;
349 enum fw3_flag target;
350 struct fw3_mark set_mark;
351 struct fw3_mark set_xmark;
358 struct list_head list;
363 enum fw3_family family;
365 struct fw3_zone *_src;
366 struct fw3_zone *_dest;
368 struct fw3_device src;
369 struct fw3_device dest;
370 struct fw3_setmatch ipset;
372 struct list_head proto;
374 struct fw3_address ip_src;
375 struct list_head mac_src;
376 struct fw3_port port_src;
378 struct fw3_address ip_dest;
379 struct fw3_port port_dest;
381 struct fw3_address ip_redir;
382 struct fw3_port port_redir;
384 struct fw3_limit limit;
385 struct fw3_time time;
386 struct fw3_mark mark;
388 enum fw3_flag target;
393 enum fw3_reflection_source reflection_src;
398 struct list_head list;
403 enum fw3_family family;
405 struct fw3_zone *_src;
406 struct fw3_zone *_dest;
408 struct fw3_device src;
409 struct fw3_device dest;
414 struct list_head list;
418 enum fw3_family family;
420 enum fw3_ipset_method method;
421 struct list_head datatypes;
423 struct fw3_address iprange;
424 struct fw3_port portrange;
432 const char *external;
439 struct list_head list;
443 enum fw3_family family;
446 enum fw3_include_type type;
453 struct uci_context *uci;
454 struct fw3_defaults defaults;
455 struct list_head zones;
456 struct list_head rules;
457 struct list_head redirects;
458 struct list_head forwards;
459 struct list_head ipsets;
460 struct list_head includes;
466 struct fw3_chain_spec {
477 bool (*parse)(void *, const char *, bool);
482 #define FW3_OPT(name, parse, structure, member) \
483 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
485 #define FW3_LIST(name, parse, structure, member) \
486 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
487 sizeof(struct fw3_##structure) }
489 bool fw3_parse_bool(void *ptr, const char *val, bool is_list);
490 bool fw3_parse_int(void *ptr, const char *val, bool is_list);
491 bool fw3_parse_string(void *ptr, const char *val, bool is_list);
492 bool fw3_parse_target(void *ptr, const char *val, bool is_list);
493 bool fw3_parse_limit(void *ptr, const char *val, bool is_list);
494 bool fw3_parse_device(void *ptr, const char *val, bool is_list);
495 bool fw3_parse_address(void *ptr, const char *val, bool is_list);
496 bool fw3_parse_network(void *ptr, const char *val, bool is_list);
497 bool fw3_parse_mac(void *ptr, const char *val, bool is_list);
498 bool fw3_parse_port(void *ptr, const char *val, bool is_list);
499 bool fw3_parse_family(void *ptr, const char *val, bool is_list);
500 bool fw3_parse_icmptype(void *ptr, const char *val, bool is_list);
501 bool fw3_parse_protocol(void *ptr, const char *val, bool is_list);
503 bool fw3_parse_ipset_method(void *ptr, const char *val, bool is_list);
504 bool fw3_parse_ipset_datatype(void *ptr, const char *val, bool is_list);
506 bool fw3_parse_include_type(void *ptr, const char *val, bool is_list);
507 bool fw3_parse_reflection_source(void *ptr, const char *val, bool is_list);
509 bool fw3_parse_date(void *ptr, const char *val, bool is_list);
510 bool fw3_parse_time(void *ptr, const char *val, bool is_list);
511 bool fw3_parse_weekdays(void *ptr, const char *val, bool is_list);
512 bool fw3_parse_monthdays(void *ptr, const char *val, bool is_list);
513 bool fw3_parse_mark(void *ptr, const char *val, bool is_list);
514 bool fw3_parse_setmatch(void *ptr, const char *val, bool is_list);
516 void fw3_parse_options(void *s, const struct fw3_option *opts,
517 struct uci_section *section);
519 const char * fw3_address_to_string(struct fw3_address *address,