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>
40 #include <libubox/list.h>
41 #include <libubox/utils.h>
43 #include "icmp_codes.h"
64 FW3_TARGET_UNSPEC = 0,
65 FW3_TARGET_ACCEPT = 1,
66 FW3_TARGET_REJECT = 2,
68 FW3_TARGET_NOTRACK = 4,
75 FW3_DEFAULT_UNSPEC = 0,
76 FW3_DEFAULT_CUSTOM_CHAINS = 1,
77 FW3_DEFAULT_SYN_FLOOD = 2,
78 FW3_DEFAULT_MTU_FIX = 3,
79 FW3_DEFAULT_DROP_INVALID = 4,
80 FW3_DEFAULT_IPV4_LOADED = 5,
81 FW3_DEFAULT_IPV6_LOADED = 6,
86 FW3_LIMIT_UNIT_SECOND = 0,
87 FW3_LIMIT_UNIT_MINUTE = 1,
88 FW3_LIMIT_UNIT_HOUR = 2,
89 FW3_LIMIT_UNIT_DAY = 3,
94 FW3_IPSET_METHOD_UNSPEC = 0,
95 FW3_IPSET_METHOD_BITMAP = 1,
96 FW3_IPSET_METHOD_HASH = 2,
97 FW3_IPSET_METHOD_LIST = 3,
102 FW3_IPSET_TYPE_UNSPEC = 0,
103 FW3_IPSET_TYPE_IP = 1,
104 FW3_IPSET_TYPE_PORT = 2,
105 FW3_IPSET_TYPE_MAC = 3,
106 FW3_IPSET_TYPE_NET = 4,
107 FW3_IPSET_TYPE_SET = 5,
110 struct fw3_ipset_datatype
112 struct list_head list;
113 enum fw3_ipset_type type;
119 struct list_head list;
129 struct list_head list;
133 enum fw3_family family;
138 struct ether_addr mac;
144 struct list_head list;
148 struct ether_addr mac;
153 struct list_head list;
162 struct list_head list;
172 struct list_head list;
175 enum fw3_family family;
189 enum fw3_limit_unit unit;
194 enum fw3_target policy_input;
195 enum fw3_target policy_output;
196 enum fw3_target policy_forward;
201 struct fw3_limit syn_flood_rate;
206 bool tcp_window_scaling;
208 bool accept_redirects;
209 bool accept_source_route;
220 struct list_head list;
224 enum fw3_family family;
226 enum fw3_target policy_input;
227 enum fw3_target policy_output;
228 enum fw3_target policy_forward;
230 struct list_head networks;
231 struct list_head devices;
232 struct list_head subnets;
234 const char *extra_src;
235 const char *extra_dest;
238 struct list_head masq_src;
239 struct list_head masq_dest;
245 struct fw3_limit log_limit;
249 uint8_t has_src_target;
250 uint8_t has_dest_target;
255 struct list_head list;
259 enum fw3_family family;
261 struct fw3_zone *_src;
262 struct fw3_zone *_dest;
264 struct fw3_device src;
265 struct fw3_device dest;
267 struct fw3_ipset *_ipset;
268 struct fw3_device ipset;
270 struct list_head proto;
272 struct list_head ip_src;
273 struct list_head mac_src;
274 struct list_head port_src;
276 struct list_head ip_dest;
277 struct list_head port_dest;
279 struct list_head icmp_type;
281 enum fw3_target target;
283 struct fw3_limit limit;
290 struct list_head list;
294 enum fw3_family family;
296 struct fw3_zone *_src;
297 struct fw3_zone *_dest;
299 struct fw3_device src;
300 struct fw3_device dest;
302 struct fw3_ipset *_ipset;
303 struct fw3_device ipset;
305 struct list_head proto;
307 struct fw3_address ip_src;
308 struct list_head mac_src;
309 struct fw3_port port_src;
311 struct fw3_address ip_dest;
312 struct fw3_port port_dest;
314 struct fw3_address ip_redir;
315 struct fw3_port port_redir;
317 enum fw3_target target;
326 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;
341 struct list_head list;
344 enum fw3_family family;
346 enum fw3_ipset_method method;
347 struct list_head datatypes;
349 struct list_head iprange;
350 struct fw3_port portrange;
358 const char *external;
363 struct uci_context *uci;
364 struct fw3_defaults defaults;
365 struct list_head zones;
366 struct list_head rules;
367 struct list_head redirects;
368 struct list_head forwards;
369 struct list_head ipsets;
378 bool (*parse)(void *, const char *);
383 #define FW3_OPT(name, parse, structure, member) \
384 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
386 #define FW3_LIST(name, parse, structure, member) \
387 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
388 sizeof(struct fw3_##structure) }
391 bool fw3_parse_bool(void *ptr, const char *val);
392 bool fw3_parse_int(void *ptr, const char *val);
393 bool fw3_parse_string(void *ptr, const char *val);
394 bool fw3_parse_target(void *ptr, const char *val);
395 bool fw3_parse_limit(void *ptr, const char *val);
396 bool fw3_parse_device(void *ptr, const char *val);
397 bool fw3_parse_address(void *ptr, const char *val);
398 bool fw3_parse_mac(void *ptr, const char *val);
399 bool fw3_parse_port(void *ptr, const char *val);
400 bool fw3_parse_family(void *ptr, const char *val);
401 bool fw3_parse_icmptype(void *ptr, const char *val);
402 bool fw3_parse_protocol(void *ptr, const char *val);
403 bool fw3_parse_ipset_method(void *ptr, const char *val);
404 bool fw3_parse_ipset_datatype(void *ptr, const char *val);
406 void fw3_parse_options(void *s, struct fw3_option *opts, int n,
407 struct uci_section *section);
409 void fw3_format_in_out(struct fw3_device *in, struct fw3_device *out);
410 void fw3_format_src_dest(struct fw3_address *src, struct fw3_address *dest);
411 void fw3_format_sport_dport(struct fw3_port *sp, struct fw3_port *dp);
412 void fw3_format_mac(struct fw3_mac *mac);
413 void fw3_format_protocol(struct fw3_protocol *proto, enum fw3_family family);
414 void fw3_format_icmptype(struct fw3_icmptype *icmp, enum fw3_family family);
415 void fw3_format_limit(struct fw3_limit *limit);
416 void fw3_format_ipset(struct fw3_ipset *ipset, bool invert);
418 void __fw3_format_comment(const char *comment, ...);
419 #define fw3_format_comment(...) __fw3_format_comment(__VA_ARGS__, NULL)
421 void fw3_format_extra(const char *extra);