2 * firewall3 - 3rd OpenWrt UCI firewall implementation
4 * Copyright (C) 2013-2014 Jo-Philipp Wich <jo@mein.io>
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>
37 #include <netinet/in.h>
38 #include <netinet/ether.h>
44 #include <libubox/list.h>
45 #include <libubox/utils.h>
46 #include <libubox/blobmsg.h>
48 #include "icmp_codes.h"
78 FW3_FLAG_MASQUERADE
= 14,
79 FW3_FLAG_SRC_ACCEPT
= 15,
80 FW3_FLAG_SRC_REJECT
= 16,
81 FW3_FLAG_SRC_DROP
= 17,
82 FW3_FLAG_CUSTOM_CHAINS
= 18,
83 FW3_FLAG_SYN_FLOOD
= 19,
84 FW3_FLAG_MTU_FIX
= 20,
85 FW3_FLAG_DROP_INVALID
= 21,
86 FW3_FLAG_HOTPLUG
= 22,
91 extern const char *fw3_flag_names
[__FW3_FLAG_MAX
];
96 FW3_LIMIT_UNIT_SECOND
= 0,
97 FW3_LIMIT_UNIT_MINUTE
= 1,
98 FW3_LIMIT_UNIT_HOUR
= 2,
99 FW3_LIMIT_UNIT_DAY
= 3,
104 extern const char *fw3_limit_units
[__FW3_LIMIT_UNIT_MAX
];
107 enum fw3_ipset_method
109 FW3_IPSET_METHOD_UNSPEC
= 0,
110 FW3_IPSET_METHOD_BITMAP
= 1,
111 FW3_IPSET_METHOD_HASH
= 2,
112 FW3_IPSET_METHOD_LIST
= 3,
114 __FW3_IPSET_METHOD_MAX
119 FW3_IPSET_TYPE_UNSPEC
= 0,
120 FW3_IPSET_TYPE_IP
= 1,
121 FW3_IPSET_TYPE_PORT
= 2,
122 FW3_IPSET_TYPE_MAC
= 3,
123 FW3_IPSET_TYPE_NET
= 4,
124 FW3_IPSET_TYPE_SET
= 5,
129 extern const char *fw3_ipset_method_names
[__FW3_IPSET_METHOD_MAX
];
130 extern const char *fw3_ipset_type_names
[__FW3_IPSET_TYPE_MAX
];
133 enum fw3_include_type
135 FW3_INC_TYPE_SCRIPT
= 0,
136 FW3_INC_TYPE_RESTORE
= 1,
139 enum fw3_reflection_source
141 FW3_REFLECTION_INTERNAL
= 0,
142 FW3_REFLECTION_EXTERNAL
= 1,
145 struct fw3_ipset_datatype
147 struct list_head list
;
148 enum fw3_ipset_type type
;
158 struct fw3_ipset
*ptr
;
163 struct list_head list
;
174 struct list_head list
;
180 enum fw3_family family
;
184 struct ether_addr mac
;
189 struct ether_addr mac
;
195 struct list_head list
;
199 struct ether_addr mac
;
204 struct list_head list
;
213 struct list_head list
;
223 struct list_head list
;
226 enum fw3_family family
;
240 enum fw3_limit_unit unit
;
250 uint32_t monthdays
; /* bit 0 is invert + 1 .. 31 */
251 uint8_t weekdays
; /* bit 0 is invert + 1 .. 7 */
262 struct fw3_cthelpermatch
264 struct list_head list
;
269 struct fw3_cthelper
*ptr
;
274 enum fw3_flag policy_input
;
275 enum fw3_flag policy_output
;
276 enum fw3_flag policy_forward
;
281 struct fw3_limit syn_flood_rate
;
285 bool tcp_window_scaling
;
287 bool accept_redirects
;
288 bool accept_source_route
;
292 bool flow_offloading
;
293 bool flow_offloading_hw
;
302 struct list_head list
;
307 enum fw3_family family
;
309 enum fw3_flag policy_input
;
310 enum fw3_flag policy_output
;
311 enum fw3_flag policy_forward
;
313 struct list_head networks
;
314 struct list_head devices
;
315 struct list_head subnets
;
317 const char *extra_src
;
318 const char *extra_dest
;
321 bool masq_allow_invalid
;
322 struct list_head masq_src
;
323 struct list_head masq_dest
;
327 struct list_head cthelpers
;
330 struct fw3_limit log_limit
;
337 struct list_head old_addrs
;
342 struct list_head list
;
347 enum fw3_family family
;
349 struct fw3_zone
*_src
;
350 struct fw3_zone
*_dest
;
355 struct fw3_device src
;
356 struct fw3_device dest
;
357 struct fw3_setmatch ipset
;
358 struct fw3_cthelpermatch helper
;
360 struct list_head proto
;
362 struct list_head ip_src
;
363 struct list_head mac_src
;
364 struct list_head port_src
;
366 struct list_head ip_dest
;
367 struct list_head port_dest
;
369 struct list_head icmp_type
;
371 struct fw3_limit limit
;
372 struct fw3_time time
;
373 struct fw3_mark mark
;
375 enum fw3_flag target
;
376 struct fw3_mark set_mark
;
377 struct fw3_mark set_xmark
;
378 struct fw3_cthelpermatch set_helper
;
385 struct list_head list
;
390 enum fw3_family family
;
392 struct fw3_zone
*_src
;
393 struct fw3_zone
*_dest
;
395 struct fw3_device src
;
396 struct fw3_device dest
;
397 struct fw3_setmatch ipset
;
398 struct fw3_cthelpermatch helper
;
400 struct list_head proto
;
402 struct fw3_address ip_src
;
403 struct list_head mac_src
;
404 struct fw3_port port_src
;
406 struct fw3_address ip_dest
;
407 struct fw3_port port_dest
;
409 struct fw3_address ip_redir
;
410 struct fw3_port port_redir
;
412 struct fw3_limit limit
;
413 struct fw3_time time
;
414 struct fw3_mark mark
;
416 enum fw3_flag target
;
422 enum fw3_reflection_source reflection_src
;
427 struct list_head list
;
432 enum fw3_family family
;
434 struct fw3_zone
*_src
;
436 struct fw3_device src
;
437 struct fw3_setmatch ipset
;
438 struct fw3_cthelpermatch helper
;
441 struct list_head proto
;
443 struct fw3_address ip_src
;
444 struct fw3_port port_src
;
446 struct fw3_address ip_dest
;
447 struct fw3_port port_dest
;
449 struct fw3_address ip_snat
;
450 struct fw3_port port_snat
;
452 struct fw3_limit limit
;
453 struct fw3_time time
;
454 struct fw3_mark mark
;
455 bool connlimit_ports
;
457 enum fw3_flag target
;
464 struct list_head list
;
469 enum fw3_family family
;
471 struct fw3_zone
*_src
;
472 struct fw3_zone
*_dest
;
474 struct fw3_device src
;
475 struct fw3_device dest
;
480 struct list_head list
;
484 enum fw3_family family
;
486 enum fw3_ipset_method method
;
487 struct list_head datatypes
;
489 struct fw3_address iprange
;
490 struct fw3_port portrange
;
498 const char *external
;
500 struct list_head entries
;
501 const char *loadfile
;
508 struct list_head list
;
512 enum fw3_family family
;
515 enum fw3_include_type type
;
522 struct list_head list
;
527 const char *description
;
528 enum fw3_family family
;
529 struct fw3_protocol proto
;
530 struct fw3_port port
;
535 struct list_head list
;
541 struct uci_context
*uci
;
542 struct fw3_defaults defaults
;
543 struct list_head zones
;
544 struct list_head rules
;
545 struct list_head redirects
;
546 struct list_head snats
;
547 struct list_head forwards
;
548 struct list_head ipsets
;
549 struct list_head includes
;
550 struct list_head cthelpers
;
556 struct fw3_chain_spec
{
567 bool (*parse
)(void *, const char *, bool);
572 #define FW3_OPT(name, parse, structure, member) \
573 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member) }
575 #define FW3_LIST(name, parse, structure, member) \
576 { name, fw3_parse_##parse, offsetof(struct fw3_##structure, member), \
577 sizeof(struct fw3_##structure) }
579 bool fw3_parse_bool(void *ptr
, const char *val
, bool is_list
);
580 bool fw3_parse_int(void *ptr
, const char *val
, bool is_list
);
581 bool fw3_parse_string(void *ptr
, const char *val
, bool is_list
);
582 bool fw3_parse_target(void *ptr
, const char *val
, bool is_list
);
583 bool fw3_parse_limit(void *ptr
, const char *val
, bool is_list
);
584 bool fw3_parse_device(void *ptr
, const char *val
, bool is_list
);
585 bool fw3_parse_address(void *ptr
, const char *val
, bool is_list
);
586 bool fw3_parse_network(void *ptr
, const char *val
, bool is_list
);
587 bool fw3_parse_mac(void *ptr
, const char *val
, bool is_list
);
588 bool fw3_parse_port(void *ptr
, const char *val
, bool is_list
);
589 bool fw3_parse_family(void *ptr
, const char *val
, bool is_list
);
590 bool fw3_parse_icmptype(void *ptr
, const char *val
, bool is_list
);
591 bool fw3_parse_protocol(void *ptr
, const char *val
, bool is_list
);
593 bool fw3_parse_ipset_method(void *ptr
, const char *val
, bool is_list
);
594 bool fw3_parse_ipset_datatype(void *ptr
, const char *val
, bool is_list
);
596 bool fw3_parse_include_type(void *ptr
, const char *val
, bool is_list
);
597 bool fw3_parse_reflection_source(void *ptr
, const char *val
, bool is_list
);
599 bool fw3_parse_date(void *ptr
, const char *val
, bool is_list
);
600 bool fw3_parse_time(void *ptr
, const char *val
, bool is_list
);
601 bool fw3_parse_weekdays(void *ptr
, const char *val
, bool is_list
);
602 bool fw3_parse_monthdays(void *ptr
, const char *val
, bool is_list
);
603 bool fw3_parse_mark(void *ptr
, const char *val
, bool is_list
);
604 bool fw3_parse_setmatch(void *ptr
, const char *val
, bool is_list
);
605 bool fw3_parse_direction(void *ptr
, const char *val
, bool is_list
);
606 bool fw3_parse_cthelper(void *ptr
, const char *val
, bool is_list
);
607 bool fw3_parse_setentry(void *ptr
, const char *val
, bool is_list
);
609 bool fw3_parse_options(void *s
, const struct fw3_option
*opts
,
610 struct uci_section
*section
);
611 bool fw3_parse_blob_options(void *s
, const struct fw3_option
*opts
,
612 struct blob_attr
*a
, const char *name
);
614 const char * fw3_address_to_string(struct fw3_address
*address
,
615 bool allow_invert
, bool as_cidr
);