1 /* $OpenBSD: pfctl_parser.h,v 1.86 2006/10/31 23:46:25 mcbride Exp $ */
4 * SPDX-License-Identifier: BSD-2-Clause
6 * Copyright (c) 2001 Daniel Hartmeier
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * - Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * - Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer in the documentation and/or other materials provided
18 * with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
36 #ifndef _PFCTL_PARSER_H_
37 #define _PFCTL_PARSER_H_
41 #define PF_OSFP_FILE "/etc/pf.os"
43 #define PF_OPT_DISABLE 0x0001
44 #define PF_OPT_ENABLE 0x0002
45 #define PF_OPT_VERBOSE 0x0004
46 #define PF_OPT_NOACTION 0x0008
47 #define PF_OPT_QUIET 0x0010
48 #define PF_OPT_CLRRULECTRS 0x0020
49 #define PF_OPT_USEDNS 0x0040
50 #define PF_OPT_VERBOSE2 0x0080
51 #define PF_OPT_DUMMYACTION 0x0100
52 #define PF_OPT_DEBUG 0x0200
53 #define PF_OPT_SHOWALL 0x0400
54 #define PF_OPT_OPTIMIZE 0x0800
55 #define PF_OPT_NUMERIC 0x1000
56 #define PF_OPT_MERGE 0x2000
57 #define PF_OPT_RECURSE 0x4000
59 #define PF_TH_ALL 0xFF
61 #define PF_NAT_PROXY_PORT_LOW 50001
62 #define PF_NAT_PROXY_PORT_HIGH 65535
64 #define PF_OPTIMIZE_BASIC 0x0001
65 #define PF_OPTIMIZE_PROFILE 0x0002
67 #define FCNT_NAMES { \
74 struct pfr_buffer; /* forward definition */
82 int asd; /* anchor stack depth */
83 int bn; /* brace number */
85 int tdirty; /* kernel dirty */
86 #define PFCTL_ANCHOR_STACK_DEPTH 64
87 struct pfctl_anchor *astack[PFCTL_ANCHOR_STACK_DEPTH];
88 struct pfioc_pooladdr paddr;
89 struct pfioc_altq *paltq;
90 struct pfioc_queue *pqueue;
91 struct pfr_buffer *trans;
92 struct pfctl_anchor *anchor, *alast;
95 /* 'set foo' options */
96 u_int32_t timeout[PFTM_MAX];
97 u_int32_t limit[PF_LIMIT_MAX];
103 u_int8_t timeout_set[PFTM_MAX];
104 u_int8_t limit_set[PF_LIMIT_MAX];
111 char ifname[IFNAMSIZ];
113 u_int8_t dynamic; /* antispoof */
115 struct node_if *next;
116 struct node_if *tail;
120 struct pf_addr_wrap addr;
121 struct pf_addr bcast;
125 u_int32_t ifindex; /* link-local IPv6 addrs */
128 struct node_host *next;
129 struct node_host *tail;
134 pf_osfp_t fingerprint;
135 struct node_os *next;
136 struct node_os *tail;
139 struct node_queue_bw {
140 u_int64_t bw_absolute;
141 u_int16_t bw_percent;
144 struct node_hfsc_sc {
145 struct node_queue_bw m1; /* slope of 1st segment; bps */
146 u_int d; /* x-projection of m1; msec */
147 struct node_queue_bw m2; /* slope of 2nd segment; bps */
151 struct node_hfsc_opts {
152 struct node_hfsc_sc realtime;
153 struct node_hfsc_sc linkshare;
154 struct node_hfsc_sc upperlimit;
158 struct node_fairq_sc {
159 struct node_queue_bw m1; /* slope of 1st segment; bps */
160 u_int d; /* x-projection of m1; msec */
161 struct node_queue_bw m2; /* slope of 2nd segment; bps */
165 struct node_fairq_opts {
166 struct node_fairq_sc linkshare;
167 struct node_queue_bw hogs_bw;
172 struct node_queue_opt {
175 struct cbq_opts cbq_opts;
176 struct codel_opts codel_opts;
177 struct priq_opts priq_opts;
178 struct node_hfsc_opts hfsc_opts;
179 struct node_fairq_opts fairq_opts;
183 #define QPRI_BITSET_SIZE 256
184 BITSET_DEFINE(qpri_bitset, QPRI_BITSET_SIZE);
185 LIST_HEAD(gen_sc, segment);
190 STAILQ_ENTRY(pfctl_altq) link;
192 struct qpri_bitset qpris;
204 * Absolutely this is not correct location to define this.
205 * Should we use an another sperate header file?
207 #define SIMPLEQ_HEAD STAILQ_HEAD
208 #define SIMPLEQ_HEAD_INITIALIZER STAILQ_HEAD_INITIALIZER
209 #define SIMPLEQ_ENTRY STAILQ_ENTRY
210 #define SIMPLEQ_FIRST STAILQ_FIRST
211 #define SIMPLEQ_END(head) NULL
212 #define SIMPLEQ_EMPTY STAILQ_EMPTY
213 #define SIMPLEQ_NEXT STAILQ_NEXT
214 /*#define SIMPLEQ_FOREACH STAILQ_FOREACH*/
215 #define SIMPLEQ_FOREACH(var, head, field) \
216 for((var) = SIMPLEQ_FIRST(head); \
217 (var) != SIMPLEQ_END(head); \
218 (var) = SIMPLEQ_NEXT(var, field))
219 #define SIMPLEQ_INIT STAILQ_INIT
220 #define SIMPLEQ_INSERT_HEAD STAILQ_INSERT_HEAD
221 #define SIMPLEQ_INSERT_TAIL STAILQ_INSERT_TAIL
222 #define SIMPLEQ_INSERT_AFTER STAILQ_INSERT_AFTER
223 #define SIMPLEQ_REMOVE_HEAD STAILQ_REMOVE_HEAD
225 SIMPLEQ_HEAD(node_tinithead, node_tinit);
226 struct node_tinit { /* table initializer */
227 SIMPLEQ_ENTRY(node_tinit) entries;
228 struct node_host *host;
233 /* optimizer created tables */
235 char pt_name[PF_TABLE_NAME_SIZE];
238 struct node_tinithead pt_nodes;
239 struct pfr_buffer *pt_buf;
241 #define PF_OPT_TABLE_PREFIX "__automatic_"
243 /* optimizer pf_rule container */
245 struct pfctl_rule por_rule;
246 struct pf_opt_tbl *por_src_tbl;
247 struct pf_opt_tbl *por_dst_tbl;
248 u_int64_t por_profile_count;
249 TAILQ_ENTRY(pf_opt_rule) por_entry;
250 TAILQ_ENTRY(pf_opt_rule) por_skip_entry[PF_SKIP_COUNT];
253 TAILQ_HEAD(pf_opt_queue, pf_opt_rule);
255 int pfctl_rules(int, char *, int, int, char *, struct pfr_buffer *);
256 int pfctl_optimize_ruleset(struct pfctl *, struct pfctl_ruleset *);
258 int pfctl_append_rule(struct pfctl *, struct pfctl_rule *, const char *);
259 int pfctl_add_altq(struct pfctl *, struct pf_altq *);
260 int pfctl_add_pool(struct pfctl *, struct pfctl_pool *, sa_family_t);
261 void pfctl_move_pool(struct pfctl_pool *, struct pfctl_pool *);
262 void pfctl_clear_pool(struct pfctl_pool *);
264 int pfctl_set_timeout(struct pfctl *, const char *, int, int);
265 int pfctl_set_optimization(struct pfctl *, const char *);
266 int pfctl_set_limit(struct pfctl *, const char *, unsigned int);
267 int pfctl_set_logif(struct pfctl *, char *);
268 int pfctl_set_hostid(struct pfctl *, u_int32_t);
269 int pfctl_set_debug(struct pfctl *, char *);
270 int pfctl_set_interface_flags(struct pfctl *, char *, int, int);
272 int parse_config(char *, struct pfctl *);
273 int parse_flags(char *);
274 int pfctl_load_anchors(int, struct pfctl *, struct pfr_buffer *);
276 void print_pool(struct pfctl_pool *, u_int16_t, u_int16_t, sa_family_t, int);
277 void print_src_node(struct pf_src_node *, int);
278 void print_rule(struct pfctl_rule *, const char *, int, int);
279 void print_tabledef(const char *, int, int, struct node_tinithead *);
280 void print_status(struct pf_status *, int);
281 void print_running(struct pf_status *);
283 int eval_pfaltq(struct pfctl *, struct pf_altq *, struct node_queue_bw *,
284 struct node_queue_opt *);
285 int eval_pfqueue(struct pfctl *, struct pf_altq *, struct node_queue_bw *,
286 struct node_queue_opt *);
288 void print_altq(const struct pf_altq *, unsigned, struct node_queue_bw *,
289 struct node_queue_opt *);
290 void print_queue(const struct pf_altq *, unsigned, struct node_queue_bw *,
291 int, struct node_queue_opt *);
293 int pfctl_define_table(char *, int, int, const char *, struct pfr_buffer *,
296 void pfctl_clear_fingerprints(int, int);
297 int pfctl_file_fingerprints(int, int, const char *);
298 pf_osfp_t pfctl_get_fingerprint(const char *);
299 int pfctl_load_fingerprints(int, int);
300 char *pfctl_lookup_fingerprint(pf_osfp_t, char *, size_t);
301 void pfctl_show_fingerprints(int);
315 const struct icmptypeent *geticmptypebynumber(u_int8_t, u_int8_t);
316 const struct icmptypeent *geticmptypebyname(char *, u_int8_t);
317 const struct icmpcodeent *geticmpcodebynumber(u_int8_t, u_int8_t, u_int8_t);
318 const struct icmpcodeent *geticmpcodebyname(u_long, char *, u_int8_t);
325 #define PFCTL_FLAG_FILTER 0x02
326 #define PFCTL_FLAG_NAT 0x04
327 #define PFCTL_FLAG_OPTION 0x08
328 #define PFCTL_FLAG_ALTQ 0x10
329 #define PFCTL_FLAG_TABLE 0x20
331 extern const struct pf_timeout pf_timeouts[];
333 void set_ipmask(struct node_host *, u_int8_t);
334 int check_netmask(struct node_host *, sa_family_t);
335 int unmask(struct pf_addr *, sa_family_t);
337 int get_query_socket(void);
338 struct node_host *ifa_exists(char *);
339 struct node_host *ifa_grouplookup(char *ifa_name, int flags);
340 struct node_host *ifa_lookup(char *, int);
341 struct node_host *host(const char *);
343 int append_addr(struct pfr_buffer *, char *, int);
344 int append_addr_host(struct pfr_buffer *,
345 struct node_host *, int, int);
347 #endif /* _PFCTL_PARSER_H_ */