pf/pf_ioctl.c: Fix whitespace error
[dragonfly.git] / sys / net / pf / pf_ioctl.c
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1/* $OpenBSD: pf_ioctl.c,v 1.209 2008/06/29 08:42:15 mcbride Exp $ */
2/*add $OpenBSD: pf_ioctl.c,v 1.212 2009/02/15 20:42:33 mbalmer Exp $ */
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3
4/*
70224baa 5 * Copyright (c) 2010 The DragonFly Project. All rights reserved.
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6 *
7 * Copyright (c) 2001 Daniel Hartmeier
8 * Copyright (c) 2002,2003 Henning Brauer
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 *
15 * - Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * - Redistributions in binary form must reproduce the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer in the documentation and/or other materials provided
20 * with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
30 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
32 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 *
35 * Effort sponsored in part by the Defense Advanced Research Projects
36 * Agency (DARPA) and Air Force Research Laboratory, Air Force
37 * Materiel Command, USAF, under agreement number F30602-01-2-0537.
38 *
39 */
40
41#include "opt_inet.h"
42#include "opt_inet6.h"
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43
44#include <sys/param.h>
45#include <sys/systm.h>
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46#include <sys/conf.h>
47#include <sys/device.h>
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48#include <sys/mbuf.h>
49#include <sys/filio.h>
50#include <sys/fcntl.h>
51#include <sys/socket.h>
52#include <sys/socketvar.h>
53#include <sys/kernel.h>
70224baa 54#include <sys/kthread.h>
02742ec6 55#include <sys/time.h>
70224baa 56#include <sys/proc.h>
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57#include <sys/malloc.h>
58#include <sys/module.h>
70224baa 59#include <sys/lock.h>
02742ec6 60
cd8ab232 61#include <sys/thread2.h>
cd8ab232 62
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63#include <net/if.h>
64#include <net/if_types.h>
65#include <net/route.h>
66
67#include <netinet/in.h>
68#include <netinet/in_var.h>
69#include <netinet/in_systm.h>
70#include <netinet/ip.h>
71#include <netinet/ip_var.h>
72#include <netinet/ip_icmp.h>
73
74#include <net/pf/pfvar.h>
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75#include <sys/md5.h>
76#include <net/pf/pfvar.h>
02742ec6 77
02742ec6 78#include <net/pf/if_pfsync.h>
02742ec6 79
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80#if NPFLOG > 0
81#include <net/if_pflog.h>
82#endif /* NPFLOG > 0 */
83
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84#ifdef INET6
85#include <netinet/ip6.h>
86#include <netinet/in_pcb.h>
87#endif /* INET6 */
88
89#ifdef ALTQ
4d723e5a 90#include <net/altq/altq.h>
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91#endif
92
93#include <machine/limits.h>
94#include <net/pfil.h>
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95#include <sys/mutex.h>
96
97u_int rt_numfibs = RT_NUMFIBS;
fef8985e 98
1186cbc0 99void pfattach(void);
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100struct pf_pool *pf_get_pool(char *, u_int32_t, u_int8_t, u_int32_t,
101 u_int8_t, u_int8_t, u_int8_t);
102
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103void pf_mv_pool(struct pf_palist *, struct pf_palist *);
104void pf_empty_pool(struct pf_palist *);
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105#ifdef ALTQ
106int pf_begin_altq(u_int32_t *);
107int pf_rollback_altq(u_int32_t);
108int pf_commit_altq(u_int32_t);
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109int pf_enable_altq(struct pf_altq *);
110int pf_disable_altq(struct pf_altq *);
02742ec6 111#endif /* ALTQ */
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112int pf_begin_rules(u_int32_t *, int, const char *);
113int pf_rollback_rules(u_int32_t, int, char *);
114int pf_setup_pfsync_matching(struct pf_ruleset *);
115void pf_hash_rule(MD5_CTX *, struct pf_rule *);
116void pf_hash_rule_addr(MD5_CTX *, struct pf_rule_addr *);
117int pf_commit_rules(u_int32_t, int, char *);
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118int pf_addr_setup(struct pf_ruleset *,
119 struct pf_addr_wrap *, sa_family_t);
120void pf_addr_copyout(struct pf_addr_wrap *);
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121
122struct pf_rule pf_default_rule;
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123struct lock pf_consistency_lock;
124#ifdef ALTQ
125static int pf_altq_running;
126#endif
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127
128#define TAGID_MAX 50000
129TAILQ_HEAD(pf_tags, pf_tagname) pf_tags = TAILQ_HEAD_INITIALIZER(pf_tags),
130 pf_qids = TAILQ_HEAD_INITIALIZER(pf_qids);
131
132#if (PF_QNAME_SIZE != PF_TAG_NAME_SIZE)
133#error PF_QNAME_SIZE must be equal to PF_TAG_NAME_SIZE
134#endif
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135u_int16_t tagname2tag(struct pf_tags *, char *);
136void tag2tagname(struct pf_tags *, u_int16_t, char *);
137void tag_unref(struct pf_tags *, u_int16_t);
138int pf_rtlabel_add(struct pf_addr_wrap *);
139void pf_rtlabel_remove(struct pf_addr_wrap *);
140void pf_rtlabel_copyout(struct pf_addr_wrap *);
02742ec6 141
4b1cf444 142#define DPFPRINTF(n, x) if (pf_status.debug >= (n)) kprintf x
02742ec6 143
b13267a5 144static cdev_t pf_dev;
02742ec6 145
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146static MALLOC_DEFINE(M_PFRULEPL, "pfrulepl", "pf rule pool list");
147static MALLOC_DEFINE(M_PFALTQPL, "pfaltqpl", "pf altq pool list");
148static MALLOC_DEFINE(M_PFPOOLADDRPL, "pfpooladdrpl", "pf pool address pool list");
149static MALLOC_DEFINE(M_PFFRENTPL, "pffrent", "pf frent pool list");
150
151
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152/*
153 * XXX - These are new and need to be checked when moveing to a new version
154 */
155static void pf_clear_states(void);
156static int pf_clear_tables(void);
157static void pf_clear_srcnodes(void);
158/*
159 * XXX - These are new and need to be checked when moveing to a new version
160 */
161
162/*
163 * Wrapper functions for pfil(9) hooks
164 */
165static int pf_check_in(void *arg, struct mbuf **m, struct ifnet *ifp,
166 int dir);
167static int pf_check_out(void *arg, struct mbuf **m, struct ifnet *ifp,
168 int dir);
169#ifdef INET6
170static int pf_check6_in(void *arg, struct mbuf **m, struct ifnet *ifp,
171 int dir);
172static int pf_check6_out(void *arg, struct mbuf **m, struct ifnet *ifp,
173 int dir);
174#endif
175
176static int hook_pf(void);
177static int dehook_pf(void);
178static int shutdown_pf(void);
179static int pf_load(void);
180static int pf_unload(void);
181
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182d_open_t pfopen;
183d_close_t pfclose;
184d_ioctl_t pfioctl;
185
186static struct dev_ops pf_ops = { /* XXX convert to port model */
187 { PF_NAME, 73, 0 },
188 .d_open = pfopen,
189 .d_close = pfclose,
190 .d_ioctl = pfioctl
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191};
192
193static volatile int pf_pfil_hooked = 0;
70224baa 194int pf_end_threads = 0;
4e28d64f 195struct lock pf_mod_lck;
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196
197int debug_pfugidhack = 0;
198SYSCTL_INT(_debug, OID_AUTO, pfugidhack, CTLFLAG_RW, &debug_pfugidhack, 0,
199 "Enable/disable pf user/group rules mpsafe hack");
200
02742ec6 201void
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202pfattach(void)
203{
204 u_int32_t *my_timeout = pf_default_rule.timeout;
1186cbc0 205
02742ec6 206
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207 if (!rn_inithead((void **)&pf_maskhead, NULL, 0)) {
208 kprintf("pf mask radix tree create failed\n");
d2540711 209 return;
b4628cf9 210 }
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211 kmalloc_create(&pf_state_pl, "pf state pool list");
212 kmalloc_raise_limit(pf_state_pl, 0);
213 kmalloc_create(&pf_frent_pl, "pf fragment pool list");
214 kmalloc_raise_limit(pf_frent_pl, 0);
215 kmalloc_create(&pf_cent_pl, "pf cent pool list");
56515ebf 216 kmalloc_raise_limit(pf_cent_pl, 0);
1186cbc0 217
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218 pfr_initialize();
219 pfi_initialize();
1186cbc0 220 pf_osfp_initialize();
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221
222 pf_pool_limits[PF_LIMIT_STATES].pp = pf_state_pl;
223 pf_pool_limits[PF_LIMIT_STATES].limit = PFSTATE_HIWAT;
224 pf_pool_limits[PF_LIMIT_FRAGS].pp = pf_frent_pl;
225 pf_pool_limits[PF_LIMIT_FRAGS].limit = PFFRAG_FRENT_HIWAT;
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226 if (ctob(physmem) <= 100*1024*1024)
227 pf_pool_limits[PF_LIMIT_TABLE_ENTRIES].limit =
228 PFR_KENTRY_HIWAT_SMALL;
ed1f0be2 229
02742ec6 230 RB_INIT(&tree_src_tracking);
70224baa 231 RB_INIT(&pf_anchors);
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232 pf_init_ruleset(&pf_main_ruleset);
233 TAILQ_INIT(&pf_altqs[0]);
234 TAILQ_INIT(&pf_altqs[1]);
235 TAILQ_INIT(&pf_pabuf);
236 pf_altqs_active = &pf_altqs[0];
237 pf_altqs_inactive = &pf_altqs[1];
70224baa 238 TAILQ_INIT(&state_list);
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239
240 /* default rule should never be garbage collected */
241 pf_default_rule.entries.tqe_prev = &pf_default_rule.entries.tqe_next;
242 pf_default_rule.action = PF_PASS;
33040f9e 243 pf_default_rule.nr = (uint32_t)(-1);
70224baa 244 pf_default_rule.rtableid = -1;
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245
246 /* initialize default timeouts */
247 my_timeout[PFTM_TCP_FIRST_PACKET] = 120; /* First TCP packet */
248 my_timeout[PFTM_TCP_OPENING] = 30; /* No response yet */
249 my_timeout[PFTM_TCP_ESTABLISHED] = 24*60*60; /* Established */
250 my_timeout[PFTM_TCP_CLOSING] = 15 * 60; /* Half closed */
251 my_timeout[PFTM_TCP_FIN_WAIT] = 45; /* Got both FINs */
252 my_timeout[PFTM_TCP_CLOSED] = 90; /* Got a RST */
253 my_timeout[PFTM_UDP_FIRST_PACKET] = 60; /* First UDP packet */
254 my_timeout[PFTM_UDP_SINGLE] = 30; /* Unidirectional */
255 my_timeout[PFTM_UDP_MULTIPLE] = 60; /* Bidirectional */
256 my_timeout[PFTM_ICMP_FIRST_PACKET] = 20; /* First ICMP packet */
257 my_timeout[PFTM_ICMP_ERROR_REPLY] = 10; /* Got error response */
258 my_timeout[PFTM_OTHER_FIRST_PACKET] = 60; /* First packet */
259 my_timeout[PFTM_OTHER_SINGLE] = 30; /* Unidirectional */
260 my_timeout[PFTM_OTHER_MULTIPLE] = 60; /* Bidirectional */
261 my_timeout[PFTM_FRAG] = 30; /* Fragment expire */
262 my_timeout[PFTM_INTERVAL] = 10; /* Expire interval */
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263 my_timeout[PFTM_SRC_NODE] = 0; /* Source Tracking */
264 my_timeout[PFTM_TS_DIFF] = 30; /* Allowed TS diff */
265 my_timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START;
266 my_timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END;
267
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268 pf_normalize_init();
269 bzero(&pf_status, sizeof(pf_status));
270 pf_status.debug = PF_DEBUG_URGENT;
02742ec6 271 /* XXX do our best to avoid a conflict */
0ced1954 272 pf_status.hostid = karc4random();
02742ec6 273
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274 if (kthread_create(pf_purge_thread, NULL, NULL, "pfpurge"))
275 panic("pfpurge thread");
276}
277
02742ec6 278int
fef8985e 279pfopen(struct dev_open_args *ap)
02742ec6 280{
2a7a2b1c 281 lwkt_gettoken(&pf_token);
b13267a5 282 cdev_t dev = ap->a_head.a_dev;
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283 if (minor(dev) >= 1) {
284 lwkt_reltoken(&pf_token);
02742ec6 285 return (ENXIO);
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286 }
287 lwkt_reltoken(&pf_token);
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288 return (0);
289}
290
291int
fef8985e 292pfclose(struct dev_close_args *ap)
02742ec6 293{
2a7a2b1c 294 lwkt_gettoken(&pf_token);
b13267a5 295 cdev_t dev = ap->a_head.a_dev;
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296 if (minor(dev) >= 1) {
297 lwkt_reltoken(&pf_token);
02742ec6 298 return (ENXIO);
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299 }
300 lwkt_reltoken(&pf_token);
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301 return (0);
302}
303
304struct pf_pool *
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305pf_get_pool(char *anchor, u_int32_t ticket, u_int8_t rule_action,
306 u_int32_t rule_number, u_int8_t r_last, u_int8_t active,
307 u_int8_t check_ticket)
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308{
309 struct pf_ruleset *ruleset;
310 struct pf_rule *rule;
311 int rs_num;
312
70224baa 313 ruleset = pf_find_ruleset(anchor);
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314 if (ruleset == NULL)
315 return (NULL);
316 rs_num = pf_get_ruleset_number(rule_action);
317 if (rs_num >= PF_RULESET_MAX)
318 return (NULL);
319 if (active) {
320 if (check_ticket && ticket !=
321 ruleset->rules[rs_num].active.ticket)
322 return (NULL);
323 if (r_last)
324 rule = TAILQ_LAST(ruleset->rules[rs_num].active.ptr,
325 pf_rulequeue);
326 else
327 rule = TAILQ_FIRST(ruleset->rules[rs_num].active.ptr);
328 } else {
329 if (check_ticket && ticket !=
330 ruleset->rules[rs_num].inactive.ticket)
331 return (NULL);
332 if (r_last)
333 rule = TAILQ_LAST(ruleset->rules[rs_num].inactive.ptr,
334 pf_rulequeue);
335 else
336 rule = TAILQ_FIRST(ruleset->rules[rs_num].inactive.ptr);
337 }
338 if (!r_last) {
339 while ((rule != NULL) && (rule->nr != rule_number))
340 rule = TAILQ_NEXT(rule, entries);
341 }
342 if (rule == NULL)
343 return (NULL);
344
345 return (&rule->rpool);
346}
347
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348void
349pf_mv_pool(struct pf_palist *poola, struct pf_palist *poolb)
350{
351 struct pf_pooladdr *mv_pool_pa;
352
353 while ((mv_pool_pa = TAILQ_FIRST(poola)) != NULL) {
354 TAILQ_REMOVE(poola, mv_pool_pa, entries);
355 TAILQ_INSERT_TAIL(poolb, mv_pool_pa, entries);
356 }
357}
358
359void
360pf_empty_pool(struct pf_palist *poola)
361{
362 struct pf_pooladdr *empty_pool_pa;
363
364 while ((empty_pool_pa = TAILQ_FIRST(poola)) != NULL) {
365 pfi_dynaddr_remove(&empty_pool_pa->addr);
366 pf_tbladdr_remove(&empty_pool_pa->addr);
70224baa 367 pfi_kif_unref(empty_pool_pa->kif, PFI_KIF_REF_RULE);
02742ec6 368 TAILQ_REMOVE(poola, empty_pool_pa, entries);
1186cbc0 369 kfree(empty_pool_pa, M_PFPOOLADDRPL);
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370 }
371}
372
373void
374pf_rm_rule(struct pf_rulequeue *rulequeue, struct pf_rule *rule)
375{
376 if (rulequeue != NULL) {
ed1f0be2 377 if (rule->states_cur <= 0) {
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378 /*
379 * XXX - we need to remove the table *before* detaching
380 * the rule to make sure the table code does not delete
381 * the anchor under our feet.
382 */
383 pf_tbladdr_remove(&rule->src.addr);
384 pf_tbladdr_remove(&rule->dst.addr);
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385 if (rule->overload_tbl)
386 pfr_detach_table(rule->overload_tbl);
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387 }
388 TAILQ_REMOVE(rulequeue, rule, entries);
389 rule->entries.tqe_prev = NULL;
70224baa 390 rule->nr = -1;
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391 }
392
ed1f0be2 393 if (rule->states_cur > 0 || rule->src_nodes > 0 ||
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394 rule->entries.tqe_prev != NULL)
395 return;
396 pf_tag_unref(rule->tag);
397 pf_tag_unref(rule->match_tag);
398#ifdef ALTQ
399 if (rule->pqid != rule->qid)
400 pf_qid_unref(rule->pqid);
401 pf_qid_unref(rule->qid);
402#endif
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403 pf_rtlabel_remove(&rule->src.addr);
404 pf_rtlabel_remove(&rule->dst.addr);
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405 pfi_dynaddr_remove(&rule->src.addr);
406 pfi_dynaddr_remove(&rule->dst.addr);
407 if (rulequeue == NULL) {
408 pf_tbladdr_remove(&rule->src.addr);
409 pf_tbladdr_remove(&rule->dst.addr);
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410 if (rule->overload_tbl)
411 pfr_detach_table(rule->overload_tbl);
02742ec6 412 }
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413 pfi_kif_unref(rule->kif, PFI_KIF_REF_RULE);
414 pf_anchor_remove(rule);
02742ec6 415 pf_empty_pool(&rule->rpool.list);
1186cbc0 416 kfree(rule, M_PFRULEPL);
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417}
418
70224baa 419u_int16_t
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420tagname2tag(struct pf_tags *head, char *tagname)
421{
422 struct pf_tagname *tag, *p = NULL;
423 u_int16_t new_tagid = 1;
424
425 TAILQ_FOREACH(tag, head, entries)
426 if (strcmp(tagname, tag->name) == 0) {
427 tag->ref++;
428 return (tag->tag);
429 }
430
431 /*
432 * to avoid fragmentation, we do a linear search from the beginning
433 * and take the first free slot we find. if there is none or the list
434 * is empty, append a new entry at the end.
435 */
436
437 /* new entry */
438 if (!TAILQ_EMPTY(head))
439 for (p = TAILQ_FIRST(head); p != NULL &&
440 p->tag == new_tagid; p = TAILQ_NEXT(p, entries))
441 new_tagid = p->tag + 1;
442
443 if (new_tagid > TAGID_MAX)
444 return (0);
445
446 /* allocate and fill new struct pf_tagname */
ed1f0be2 447 tag = kmalloc(sizeof(*tag), M_TEMP, M_WAITOK);
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448 if (tag == NULL)
449 return (0);
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450 strlcpy(tag->name, tagname, sizeof(tag->name));
451 tag->tag = new_tagid;
452 tag->ref++;
453
454 if (p != NULL) /* insert new entry before p */
455 TAILQ_INSERT_BEFORE(p, tag, entries);
456 else /* either list empty or no free slot in between */
457 TAILQ_INSERT_TAIL(head, tag, entries);
458
459 return (tag->tag);
460}
461
70224baa 462void
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463tag2tagname(struct pf_tags *head, u_int16_t tagid, char *p)
464{
465 struct pf_tagname *tag;
466
467 TAILQ_FOREACH(tag, head, entries)
468 if (tag->tag == tagid) {
469 strlcpy(p, tag->name, PF_TAG_NAME_SIZE);
470 return;
471 }
472}
473
70224baa 474void
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475tag_unref(struct pf_tags *head, u_int16_t tag)
476{
477 struct pf_tagname *p, *next;
478
479 if (tag == 0)
480 return;
481
482 for (p = TAILQ_FIRST(head); p != NULL; p = next) {
483 next = TAILQ_NEXT(p, entries);
484 if (tag == p->tag) {
485 if (--p->ref == 0) {
486 TAILQ_REMOVE(head, p, entries);
efda3bd0 487 kfree(p, M_TEMP);
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488 }
489 break;
490 }
491 }
492}
493
494u_int16_t
495pf_tagname2tag(char *tagname)
496{
497 return (tagname2tag(&pf_tags, tagname));
498}
499
500void
501pf_tag2tagname(u_int16_t tagid, char *p)
502{
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503 tag2tagname(&pf_tags, tagid, p);
504}
505
506void
507pf_tag_ref(u_int16_t tag)
508{
509 struct pf_tagname *t;
510
511 TAILQ_FOREACH(t, &pf_tags, entries)
512 if (t->tag == tag)
513 break;
514 if (t != NULL)
515 t->ref++;
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516}
517
518void
519pf_tag_unref(u_int16_t tag)
520{
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521 tag_unref(&pf_tags, tag);
522}
523
524int
525pf_rtlabel_add(struct pf_addr_wrap *a)
526{
527 return (0);
528}
529
530void
531pf_rtlabel_remove(struct pf_addr_wrap *a)
532{
533}
534
535void
536pf_rtlabel_copyout(struct pf_addr_wrap *a)
537{
538 if (a->type == PF_ADDR_RTLABEL && a->v.rtlabel)
539 strlcpy(a->v.rtlabelname, "?", sizeof(a->v.rtlabelname));
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540}
541
542#ifdef ALTQ
543u_int32_t
544pf_qname2qid(char *qname)
545{
546 return ((u_int32_t)tagname2tag(&pf_qids, qname));
547}
548
549void
550pf_qid2qname(u_int32_t qid, char *p)
551{
70224baa 552 tag2tagname(&pf_qids, (u_int16_t)qid, p);
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553}
554
555void
556pf_qid_unref(u_int32_t qid)
557{
70224baa 558 tag_unref(&pf_qids, (u_int16_t)qid);
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559}
560
561int
562pf_begin_altq(u_int32_t *ticket)
563{
564 struct pf_altq *altq;
565 int error = 0;
566
567 /* Purge the old altq list */
568 while ((altq = TAILQ_FIRST(pf_altqs_inactive)) != NULL) {
569 TAILQ_REMOVE(pf_altqs_inactive, altq, entries);
570 if (altq->qname[0] == 0) {
571 /* detach and destroy the discipline */
572 error = altq_remove(altq);
573 } else
574 pf_qid_unref(altq->qid);
1186cbc0 575 kfree(altq, M_PFALTQPL);
02742ec6
JS
576 }
577 if (error)
578 return (error);
579 *ticket = ++ticket_altqs_inactive;
580 altqs_inactive_open = 1;
581 return (0);
582}
583
584int
585pf_rollback_altq(u_int32_t ticket)
586{
587 struct pf_altq *altq;
588 int error = 0;
589
590 if (!altqs_inactive_open || ticket != ticket_altqs_inactive)
591 return (0);
592 /* Purge the old altq list */
593 while ((altq = TAILQ_FIRST(pf_altqs_inactive)) != NULL) {
594 TAILQ_REMOVE(pf_altqs_inactive, altq, entries);
595 if (altq->qname[0] == 0) {
596 /* detach and destroy the discipline */
597 error = altq_remove(altq);
598 } else
599 pf_qid_unref(altq->qid);
1186cbc0 600 kfree(altq, M_PFALTQPL);
02742ec6
JS
601 }
602 altqs_inactive_open = 0;
603 return (error);
604}
605
606int
607pf_commit_altq(u_int32_t ticket)
608{
609 struct pf_altqqueue *old_altqs;
610 struct pf_altq *altq;
cc6e5672 611 int err, error = 0;
02742ec6
JS
612
613 if (!altqs_inactive_open || ticket != ticket_altqs_inactive)
614 return (EBUSY);
615
616 /* swap altqs, keep the old. */
cc6e5672 617 crit_enter();
02742ec6
JS
618 old_altqs = pf_altqs_active;
619 pf_altqs_active = pf_altqs_inactive;
620 pf_altqs_inactive = old_altqs;
621 ticket_altqs_active = ticket_altqs_inactive;
622
623 /* Attach new disciplines */
624 TAILQ_FOREACH(altq, pf_altqs_active, entries) {
625 if (altq->qname[0] == 0) {
626 /* attach the discipline */
627 error = altq_pfattach(altq);
628 if (error) {
cc6e5672 629 crit_exit();
02742ec6
JS
630 return (error);
631 }
632 }
633 }
634
635 /* Purge the old altq list */
636 while ((altq = TAILQ_FIRST(pf_altqs_inactive)) != NULL) {
637 TAILQ_REMOVE(pf_altqs_inactive, altq, entries);
638 if (altq->qname[0] == 0) {
639 /* detach and destroy the discipline */
70224baa
JL
640 if (pf_altq_running)
641 error = pf_disable_altq(altq);
02742ec6
JS
642 err = altq_pfdetach(altq);
643 if (err != 0 && error == 0)
644 error = err;
645 err = altq_remove(altq);
646 if (err != 0 && error == 0)
647 error = err;
648 } else
649 pf_qid_unref(altq->qid);
1186cbc0 650 kfree(altq, M_PFALTQPL);
02742ec6 651 }
cc6e5672 652 crit_exit();
02742ec6
JS
653
654 altqs_inactive_open = 0;
655 return (error);
656}
70224baa
JL
657
658int
659pf_enable_altq(struct pf_altq *altq)
660{
661 struct ifnet *ifp;
662 struct tb_profile tb;
663 int error = 0;
664
665 if ((ifp = ifunit(altq->ifname)) == NULL)
666 return (EINVAL);
667
668 if (ifp->if_snd.altq_type != ALTQT_NONE)
669 error = altq_enable(&ifp->if_snd);
670
671 /* set tokenbucket regulator */
672 if (error == 0 && ifp != NULL && ALTQ_IS_ENABLED(&ifp->if_snd)) {
673 tb.rate = altq->ifbandwidth;
674 tb.depth = altq->tbrsize;
675 crit_enter();
676 error = tbr_set(&ifp->if_snd, &tb);
677 crit_exit();
678 }
679
680 return (error);
681}
682
683int
684pf_disable_altq(struct pf_altq *altq)
685{
686 struct ifnet *ifp;
687 struct tb_profile tb;
688 int error;
689
690 if ((ifp = ifunit(altq->ifname)) == NULL)
691 return (EINVAL);
692
693 /*
694 * when the discipline is no longer referenced, it was overridden
695 * by a new one. if so, just return.
696 */
697 if (altq->altq_disc != ifp->if_snd.altq_disc)
698 return (0);
699
700 error = altq_disable(&ifp->if_snd);
701
702 if (error == 0) {
703 /* clear tokenbucket regulator */
704 tb.rate = 0;
705 crit_enter();
706 error = tbr_set(&ifp->if_snd, &tb);
707 crit_exit();
708 }
709
710 return (error);
711}
02742ec6
JS
712#endif /* ALTQ */
713
714int
70224baa 715pf_begin_rules(u_int32_t *ticket, int rs_num, const char *anchor)
02742ec6
JS
716{
717 struct pf_ruleset *rs;
718 struct pf_rule *rule;
719
720 if (rs_num < 0 || rs_num >= PF_RULESET_MAX)
721 return (EINVAL);
70224baa 722 rs = pf_find_or_create_ruleset(anchor);
02742ec6
JS
723 if (rs == NULL)
724 return (EINVAL);
70224baa 725 while ((rule = TAILQ_FIRST(rs->rules[rs_num].inactive.ptr)) != NULL) {
02742ec6 726 pf_rm_rule(rs->rules[rs_num].inactive.ptr, rule);
70224baa
JL
727 rs->rules[rs_num].inactive.rcount--;
728 }
02742ec6
JS
729 *ticket = ++rs->rules[rs_num].inactive.ticket;
730 rs->rules[rs_num].inactive.open = 1;
731 return (0);
732}
733
734int
70224baa 735pf_rollback_rules(u_int32_t ticket, int rs_num, char *anchor)
02742ec6
JS
736{
737 struct pf_ruleset *rs;
738 struct pf_rule *rule;
739
740 if (rs_num < 0 || rs_num >= PF_RULESET_MAX)
741 return (EINVAL);
70224baa 742 rs = pf_find_ruleset(anchor);
02742ec6
JS
743 if (rs == NULL || !rs->rules[rs_num].inactive.open ||
744 rs->rules[rs_num].inactive.ticket != ticket)
745 return (0);
70224baa 746 while ((rule = TAILQ_FIRST(rs->rules[rs_num].inactive.ptr)) != NULL) {
02742ec6 747 pf_rm_rule(rs->rules[rs_num].inactive.ptr, rule);
70224baa
JL
748 rs->rules[rs_num].inactive.rcount--;
749 }
02742ec6
JS
750 rs->rules[rs_num].inactive.open = 0;
751 return (0);
752}
753
70224baa
JL
754#define PF_MD5_UPD(st, elm) \
755 MD5Update(ctx, (u_int8_t *) &(st)->elm, sizeof((st)->elm))
756
757#define PF_MD5_UPD_STR(st, elm) \
758 MD5Update(ctx, (u_int8_t *) (st)->elm, strlen((st)->elm))
759
760#define PF_MD5_UPD_HTONL(st, elm, stor) do { \
761 (stor) = htonl((st)->elm); \
762 MD5Update(ctx, (u_int8_t *) &(stor), sizeof(u_int32_t));\
763} while (0)
764
765#define PF_MD5_UPD_HTONS(st, elm, stor) do { \
766 (stor) = htons((st)->elm); \
767 MD5Update(ctx, (u_int8_t *) &(stor), sizeof(u_int16_t));\
768} while (0)
769
770void
771pf_hash_rule_addr(MD5_CTX *ctx, struct pf_rule_addr *pfr)
772{
773 PF_MD5_UPD(pfr, addr.type);
774 switch (pfr->addr.type) {
775 case PF_ADDR_DYNIFTL:
776 PF_MD5_UPD(pfr, addr.v.ifname);
777 PF_MD5_UPD(pfr, addr.iflags);
778 break;
779 case PF_ADDR_TABLE:
780 PF_MD5_UPD(pfr, addr.v.tblname);
781 break;
782 case PF_ADDR_ADDRMASK:
783 /* XXX ignore af? */
784 PF_MD5_UPD(pfr, addr.v.a.addr.addr32);
785 PF_MD5_UPD(pfr, addr.v.a.mask.addr32);
786 break;
787 case PF_ADDR_RTLABEL:
788 PF_MD5_UPD(pfr, addr.v.rtlabelname);
789 break;
790 }
791
792 PF_MD5_UPD(pfr, port[0]);
793 PF_MD5_UPD(pfr, port[1]);
794 PF_MD5_UPD(pfr, neg);
795 PF_MD5_UPD(pfr, port_op);
796}
797
798void
799pf_hash_rule(MD5_CTX *ctx, struct pf_rule *rule)
800{
801 u_int16_t x;
802 u_int32_t y;
803
804 pf_hash_rule_addr(ctx, &rule->src);
805 pf_hash_rule_addr(ctx, &rule->dst);
806 PF_MD5_UPD_STR(rule, label);
807 PF_MD5_UPD_STR(rule, ifname);
808 PF_MD5_UPD_STR(rule, match_tagname);
809 PF_MD5_UPD_HTONS(rule, match_tag, x); /* dup? */
810 PF_MD5_UPD_HTONL(rule, os_fingerprint, y);
811 PF_MD5_UPD_HTONL(rule, prob, y);
812 PF_MD5_UPD_HTONL(rule, uid.uid[0], y);
813 PF_MD5_UPD_HTONL(rule, uid.uid[1], y);
814 PF_MD5_UPD(rule, uid.op);
815 PF_MD5_UPD_HTONL(rule, gid.gid[0], y);
816 PF_MD5_UPD_HTONL(rule, gid.gid[1], y);
817 PF_MD5_UPD(rule, gid.op);
818 PF_MD5_UPD_HTONL(rule, rule_flag, y);
819 PF_MD5_UPD(rule, action);
820 PF_MD5_UPD(rule, direction);
821 PF_MD5_UPD(rule, af);
822 PF_MD5_UPD(rule, quick);
823 PF_MD5_UPD(rule, ifnot);
824 PF_MD5_UPD(rule, match_tag_not);
825 PF_MD5_UPD(rule, natpass);
826 PF_MD5_UPD(rule, keep_state);
827 PF_MD5_UPD(rule, proto);
828 PF_MD5_UPD(rule, type);
829 PF_MD5_UPD(rule, code);
830 PF_MD5_UPD(rule, flags);
831 PF_MD5_UPD(rule, flagset);
832 PF_MD5_UPD(rule, allow_opts);
833 PF_MD5_UPD(rule, rt);
834 PF_MD5_UPD(rule, tos);
835}
836
02742ec6 837int
70224baa 838pf_commit_rules(u_int32_t ticket, int rs_num, char *anchor)
02742ec6
JS
839{
840 struct pf_ruleset *rs;
70224baa 841 struct pf_rule *rule, **old_array;
02742ec6 842 struct pf_rulequeue *old_rules;
70224baa
JL
843 int error;
844 u_int32_t old_rcount;
02742ec6
JS
845
846 if (rs_num < 0 || rs_num >= PF_RULESET_MAX)
847 return (EINVAL);
70224baa 848 rs = pf_find_ruleset(anchor);
02742ec6
JS
849 if (rs == NULL || !rs->rules[rs_num].inactive.open ||
850 ticket != rs->rules[rs_num].inactive.ticket)
851 return (EBUSY);
852
70224baa
JL
853 /* Calculate checksum for the main ruleset */
854 if (rs == &pf_main_ruleset) {
855 error = pf_setup_pfsync_matching(rs);
856 if (error != 0)
857 return (error);
858 }
859
02742ec6 860 /* Swap rules, keep the old. */
cc6e5672 861 crit_enter();
02742ec6 862 old_rules = rs->rules[rs_num].active.ptr;
70224baa
JL
863 old_rcount = rs->rules[rs_num].active.rcount;
864 old_array = rs->rules[rs_num].active.ptr_array;
865
02742ec6
JS
866 rs->rules[rs_num].active.ptr =
867 rs->rules[rs_num].inactive.ptr;
70224baa
JL
868 rs->rules[rs_num].active.ptr_array =
869 rs->rules[rs_num].inactive.ptr_array;
870 rs->rules[rs_num].active.rcount =
871 rs->rules[rs_num].inactive.rcount;
02742ec6 872 rs->rules[rs_num].inactive.ptr = old_rules;
70224baa
JL
873 rs->rules[rs_num].inactive.ptr_array = old_array;
874 rs->rules[rs_num].inactive.rcount = old_rcount;
875
02742ec6
JS
876 rs->rules[rs_num].active.ticket =
877 rs->rules[rs_num].inactive.ticket;
878 pf_calc_skip_steps(rs->rules[rs_num].active.ptr);
879
70224baa 880
02742ec6
JS
881 /* Purge the old rule list. */
882 while ((rule = TAILQ_FIRST(old_rules)) != NULL)
883 pf_rm_rule(old_rules, rule);
70224baa
JL
884 if (rs->rules[rs_num].inactive.ptr_array)
885 kfree(rs->rules[rs_num].inactive.ptr_array, M_TEMP);
886 rs->rules[rs_num].inactive.ptr_array = NULL;
887 rs->rules[rs_num].inactive.rcount = 0;
02742ec6
JS
888 rs->rules[rs_num].inactive.open = 0;
889 pf_remove_if_empty_ruleset(rs);
cc6e5672 890 crit_exit();
02742ec6
JS
891 return (0);
892}
893
894int
70224baa
JL
895pf_setup_pfsync_matching(struct pf_ruleset *rs)
896{
897 MD5_CTX ctx;
898 struct pf_rule *rule;
899 int rs_cnt;
900 u_int8_t digest[PF_MD5_DIGEST_LENGTH];
901
902 MD5Init(&ctx);
903 for (rs_cnt = 0; rs_cnt < PF_RULESET_MAX; rs_cnt++) {
904 /* XXX PF_RULESET_SCRUB as well? */
905 if (rs_cnt == PF_RULESET_SCRUB)
906 continue;
907
908 if (rs->rules[rs_cnt].inactive.ptr_array)
909 kfree(rs->rules[rs_cnt].inactive.ptr_array, M_TEMP);
910 rs->rules[rs_cnt].inactive.ptr_array = NULL;
911
912 if (rs->rules[rs_cnt].inactive.rcount) {
913 rs->rules[rs_cnt].inactive.ptr_array =
914 kmalloc(sizeof(caddr_t) *
915 rs->rules[rs_cnt].inactive.rcount,
916 M_TEMP, M_WAITOK);
917
918 if (!rs->rules[rs_cnt].inactive.ptr_array)
919 return (ENOMEM);
920 }
921
922 TAILQ_FOREACH(rule, rs->rules[rs_cnt].inactive.ptr,
923 entries) {
924 pf_hash_rule(&ctx, rule);
925 (rs->rules[rs_cnt].inactive.ptr_array)[rule->nr] = rule;
926 }
927 }
928
929 MD5Final(digest, &ctx);
930 memcpy(pf_status.pf_chksum, digest, sizeof(pf_status.pf_chksum));
931 return (0);
932}
933
934int
ed1f0be2
JL
935pf_addr_setup(struct pf_ruleset *ruleset, struct pf_addr_wrap *addr,
936 sa_family_t af)
937{
938 if (pfi_dynaddr_setup(addr, af) ||
939 pf_tbladdr_setup(ruleset, addr))
940 return (EINVAL);
941
942 return (0);
943}
944
945void
946pf_addr_copyout(struct pf_addr_wrap *addr)
947{
948 pfi_dynaddr_copyout(addr);
949 pf_tbladdr_copyout(addr);
950 pf_rtlabel_copyout(addr);
951}
952
953int
fef8985e 954pfioctl(struct dev_ioctl_args *ap)
02742ec6 955{
fef8985e
MD
956 u_long cmd = ap->a_cmd;
957 caddr_t addr = ap->a_data;
02742ec6
JS
958 struct pf_pooladdr *pa = NULL;
959 struct pf_pool *pool = NULL;
02742ec6
JS
960 int error = 0;
961
2a7a2b1c
JL
962 lwkt_gettoken(&pf_token);
963
02742ec6
JS
964 /* XXX keep in sync with switch() below */
965 if (securelevel > 1)
966 switch (cmd) {
967 case DIOCGETRULES:
968 case DIOCGETRULE:
969 case DIOCGETADDRS:
970 case DIOCGETADDR:
971 case DIOCGETSTATE:
972 case DIOCSETSTATUSIF:
973 case DIOCGETSTATUS:
974 case DIOCCLRSTATUS:
975 case DIOCNATLOOK:
976 case DIOCSETDEBUG:
977 case DIOCGETSTATES:
978 case DIOCGETTIMEOUT:
979 case DIOCCLRRULECTRS:
980 case DIOCGETLIMIT:
981 case DIOCGETALTQS:
982 case DIOCGETALTQ:
983 case DIOCGETQSTATS:
02742ec6
JS
984 case DIOCGETRULESETS:
985 case DIOCGETRULESET:
986 case DIOCRGETTABLES:
987 case DIOCRGETTSTATS:
988 case DIOCRCLRTSTATS:
989 case DIOCRCLRADDRS:
990 case DIOCRADDADDRS:
991 case DIOCRDELADDRS:
992 case DIOCRSETADDRS:
993 case DIOCRGETADDRS:
994 case DIOCRGETASTATS:
995 case DIOCRCLRASTATS:
996 case DIOCRTSTADDRS:
997 case DIOCOSFPGET:
998 case DIOCGETSRCNODES:
999 case DIOCCLRSRCNODES:
1000 case DIOCIGETIFACES:
70224baa
JL
1001 case DIOCSETIFFLAG:
1002 case DIOCCLRIFFLAG:
02742ec6
JS
1003 case DIOCGIFSPEED:
1004 break;
1005 case DIOCRCLRTABLES:
1006 case DIOCRADDTABLES:
1007 case DIOCRDELTABLES:
1008 case DIOCRSETTFLAGS:
1009 if (((struct pfioc_table *)addr)->pfrio_flags &
1010 PFR_FLAG_DUMMY)
1011 break; /* dummy operation ok */
2a7a2b1c 1012 lwkt_reltoken(&pf_token);
02742ec6
JS
1013 return (EPERM);
1014 default:
2a7a2b1c 1015 lwkt_reltoken(&pf_token);
02742ec6
JS
1016 return (EPERM);
1017 }
1018
fef8985e 1019 if (!(ap->a_fflag & FWRITE))
02742ec6
JS
1020 switch (cmd) {
1021 case DIOCGETRULES:
02742ec6
JS
1022 case DIOCGETADDRS:
1023 case DIOCGETADDR:
1024 case DIOCGETSTATE:
1025 case DIOCGETSTATUS:
1026 case DIOCGETSTATES:
1027 case DIOCGETTIMEOUT:
1028 case DIOCGETLIMIT:
1029 case DIOCGETALTQS:
1030 case DIOCGETALTQ:
1031 case DIOCGETQSTATS:
02742ec6
JS
1032 case DIOCGETRULESETS:
1033 case DIOCGETRULESET:
70224baa 1034 case DIOCNATLOOK:
02742ec6
JS
1035 case DIOCRGETTABLES:
1036 case DIOCRGETTSTATS:
1037 case DIOCRGETADDRS:
1038 case DIOCRGETASTATS:
1039 case DIOCRTSTADDRS:
1040 case DIOCOSFPGET:
1041 case DIOCGETSRCNODES:
1042 case DIOCIGETIFACES:
1043 case DIOCGIFSPEED:
1044 break;
1045 case DIOCRCLRTABLES:
1046 case DIOCRADDTABLES:
1047 case DIOCRDELTABLES:
1048 case DIOCRCLRTSTATS:
1049 case DIOCRCLRADDRS:
1050 case DIOCRADDADDRS:
1051 case DIOCRDELADDRS:
1052 case DIOCRSETADDRS:
1053 case DIOCRSETTFLAGS:
1054 if (((struct pfioc_table *)addr)->pfrio_flags &
1055 PFR_FLAG_DUMMY)
1056 break; /* dummy operation ok */
2a7a2b1c 1057 lwkt_reltoken(&pf_token);
02742ec6 1058 return (EACCES);
70224baa 1059 case DIOCGETRULE:
ed1f0be2
JL
1060 if (((struct pfioc_rule *)addr)->action ==
1061 PF_GET_CLR_CNTR) {
2a7a2b1c 1062 lwkt_reltoken(&pf_token);
70224baa 1063 return (EACCES);
2a7a2b1c 1064 }
70224baa 1065 break;
02742ec6 1066 default:
2a7a2b1c 1067 lwkt_reltoken(&pf_token);
02742ec6
JS
1068 return (EACCES);
1069 }
1070
1071 switch (cmd) {
1072
1073 case DIOCSTART:
1074 if (pf_status.running)
1075 error = EEXIST;
1076 else {
1077 error = hook_pf();
1078 if (error) {
1079 DPFPRINTF(PF_DEBUG_MISC,
3f625015 1080 ("pf: pfil registration fail\n"));
02742ec6
JS
1081 break;
1082 }
1083 pf_status.running = 1;
1084 pf_status.since = time_second;
1085 if (pf_status.stateid == 0) {
1086 pf_status.stateid = time_second;
1087 pf_status.stateid = pf_status.stateid << 32;
1088 }
1089 DPFPRINTF(PF_DEBUG_MISC, ("pf: started\n"));
1090 }
1091 break;
1092
1093 case DIOCSTOP:
1094 if (!pf_status.running)
1095 error = ENOENT;
1096 else {
1097 pf_status.running = 0;
1098 error = dehook_pf();
1099 if (error) {
1100 pf_status.running = 1;
1101 DPFPRINTF(PF_DEBUG_MISC,
3f625015 1102 ("pf: pfil unregistration failed\n"));
02742ec6
JS
1103 }
1104 pf_status.since = time_second;
1105 DPFPRINTF(PF_DEBUG_MISC, ("pf: stopped\n"));
1106 }
1107 break;
1108
02742ec6
JS
1109 case DIOCADDRULE: {
1110 struct pfioc_rule *pr = (struct pfioc_rule *)addr;
1111 struct pf_ruleset *ruleset;
1112 struct pf_rule *rule, *tail;
1113 struct pf_pooladdr *pa;
1114 int rs_num;
1115
70224baa
JL
1116 pr->anchor[sizeof(pr->anchor) - 1] = 0;
1117 ruleset = pf_find_ruleset(pr->anchor);
02742ec6
JS
1118 if (ruleset == NULL) {
1119 error = EINVAL;
1120 break;
1121 }
1122 rs_num = pf_get_ruleset_number(pr->rule.action);
1123 if (rs_num >= PF_RULESET_MAX) {
1124 error = EINVAL;
1125 break;
1126 }
02742ec6
JS
1127 if (pr->rule.return_icmp >> 8 > ICMP_MAXTYPE) {
1128 error = EINVAL;
1129 break;
1130 }
1131 if (pr->ticket != ruleset->rules[rs_num].inactive.ticket) {
1132 error = EBUSY;
1133 break;
1134 }
1135 if (pr->pool_ticket != ticket_pabuf) {
1136 error = EBUSY;
1137 break;
1138 }
1186cbc0 1139 rule = kmalloc(sizeof(struct pf_rule), M_PFRULEPL,M_WAITOK);
02742ec6
JS
1140 if (rule == NULL) {
1141 error = ENOMEM;
1142 break;
1143 }
1144 bcopy(&pr->rule, rule, sizeof(struct pf_rule));
70224baa 1145 rule->cuid = ap->a_cred->cr_ruid;
8542fb09 1146 rule->cpid = 0;
02742ec6
JS
1147 rule->anchor = NULL;
1148 rule->kif = NULL;
1149 TAILQ_INIT(&rule->rpool.list);
1150 /* initialize refcounting */
ed1f0be2 1151 rule->states_cur = 0;
02742ec6
JS
1152 rule->src_nodes = 0;
1153 rule->entries.tqe_prev = NULL;
1154#ifndef INET
1155 if (rule->af == AF_INET) {
1186cbc0 1156 kfree(rule, M_PFRULEPL);
02742ec6
JS
1157 error = EAFNOSUPPORT;
1158 break;
1159 }
1160#endif /* INET */
1161#ifndef INET6
1162 if (rule->af == AF_INET6) {
1186cbc0 1163 kfree(rule, M_PFRULEPL);
02742ec6
JS
1164 error = EAFNOSUPPORT;
1165 break;
1166 }
1167#endif /* INET6 */
1168 tail = TAILQ_LAST(ruleset->rules[rs_num].inactive.ptr,
1169 pf_rulequeue);
1170 if (tail)
1171 rule->nr = tail->nr + 1;
1172 else
1173 rule->nr = 0;
1174 if (rule->ifname[0]) {
70224baa 1175 rule->kif = pfi_kif_get(rule->ifname);
02742ec6 1176 if (rule->kif == NULL) {
1186cbc0 1177 kfree(rule, M_PFRULEPL);
02742ec6
JS
1178 error = EINVAL;
1179 break;
1180 }
70224baa 1181 pfi_kif_ref(rule->kif, PFI_KIF_REF_RULE);
02742ec6
JS
1182 }
1183
70224baa
JL
1184 if (rule->rtableid > 0 && rule->rtableid > rt_numfibs)
1185 error = EBUSY;
1186
02742ec6
JS
1187#ifdef ALTQ
1188 /* set queue IDs */
1189 if (rule->qname[0] != 0) {
1190 if ((rule->qid = pf_qname2qid(rule->qname)) == 0)
1191 error = EBUSY;
1192 else if (rule->pqname[0] != 0) {
1193 if ((rule->pqid =
1194 pf_qname2qid(rule->pqname)) == 0)
1195 error = EBUSY;
1196 } else
1197 rule->pqid = rule->qid;
1198 }
1199#endif
1200 if (rule->tagname[0])
1201 if ((rule->tag = pf_tagname2tag(rule->tagname)) == 0)
1202 error = EBUSY;
1203 if (rule->match_tagname[0])
1204 if ((rule->match_tag =
1205 pf_tagname2tag(rule->match_tagname)) == 0)
1206 error = EBUSY;
1207 if (rule->rt && !rule->direction)
1208 error = EINVAL;
70224baa 1209#if NPFLOG > 0
315a7da3
JL
1210 if (!rule->log)
1211 rule->logif = 0;
70224baa
JL
1212 if (rule->logif >= PFLOGIFS_MAX)
1213 error = EINVAL;
1214#endif
1215 if (pf_rtlabel_add(&rule->src.addr) ||
1216 pf_rtlabel_add(&rule->dst.addr))
1217 error = EBUSY;
ed1f0be2 1218 if (pf_addr_setup(ruleset, &rule->src.addr, rule->af))
02742ec6 1219 error = EINVAL;
ed1f0be2 1220 if (pf_addr_setup(ruleset, &rule->dst.addr, rule->af))
02742ec6 1221 error = EINVAL;
70224baa
JL
1222 if (pf_anchor_setup(rule, ruleset, pr->anchor_call))
1223 error = EINVAL;
02742ec6
JS
1224 TAILQ_FOREACH(pa, &pf_pabuf, entries)
1225 if (pf_tbladdr_setup(ruleset, &pa->addr))
1226 error = EINVAL;
1227
70224baa
JL
1228 if (rule->overload_tblname[0]) {
1229 if ((rule->overload_tbl = pfr_attach_table(ruleset,
1230 rule->overload_tblname)) == NULL)
1231 error = EINVAL;
1232 else
1233 rule->overload_tbl->pfrkt_flags |=
1234 PFR_TFLAG_ACTIVE;
1235 }
1236
02742ec6
JS
1237 pf_mv_pool(&pf_pabuf, &rule->rpool.list);
1238 if (((((rule->action == PF_NAT) || (rule->action == PF_RDR) ||
70224baa 1239 (rule->action == PF_BINAT)) && rule->anchor == NULL) ||
02742ec6
JS
1240 (rule->rt > PF_FASTROUTE)) &&
1241 (TAILQ_FIRST(&rule->rpool.list) == NULL))
1242 error = EINVAL;
1243
1244 if (error) {
1245 pf_rm_rule(NULL, rule);
1246 break;
1247 }
1248 rule->rpool.cur = TAILQ_FIRST(&rule->rpool.list);
70224baa
JL
1249 rule->evaluations = rule->packets[0] = rule->packets[1] =
1250 rule->bytes[0] = rule->bytes[1] = 0;
02742ec6
JS
1251 TAILQ_INSERT_TAIL(ruleset->rules[rs_num].inactive.ptr,
1252 rule, entries);
70224baa 1253 ruleset->rules[rs_num].inactive.rcount++;
02742ec6
JS
1254 break;
1255 }
1256
1257 case DIOCGETRULES: {
1258 struct pfioc_rule *pr = (struct pfioc_rule *)addr;
1259 struct pf_ruleset *ruleset;
1260 struct pf_rule *tail;
1261 int rs_num;
1262
70224baa
JL
1263 pr->anchor[sizeof(pr->anchor) - 1] = 0;
1264 ruleset = pf_find_ruleset(pr->anchor);
02742ec6
JS
1265 if (ruleset == NULL) {
1266 error = EINVAL;
1267 break;
1268 }
1269 rs_num = pf_get_ruleset_number(pr->rule.action);
1270 if (rs_num >= PF_RULESET_MAX) {
1271 error = EINVAL;
1272 break;
1273 }
02742ec6
JS
1274 tail = TAILQ_LAST(ruleset->rules[rs_num].active.ptr,
1275 pf_rulequeue);
1276 if (tail)
1277 pr->nr = tail->nr + 1;
1278 else
1279 pr->nr = 0;
1280 pr->ticket = ruleset->rules[rs_num].active.ticket;
02742ec6
JS
1281 break;
1282 }
1283
1284 case DIOCGETRULE: {
1285 struct pfioc_rule *pr = (struct pfioc_rule *)addr;
1286 struct pf_ruleset *ruleset;
1287 struct pf_rule *rule;
1288 int rs_num, i;
1289
70224baa
JL
1290 pr->anchor[sizeof(pr->anchor) - 1] = 0;
1291 ruleset = pf_find_ruleset(pr->anchor);
02742ec6
JS
1292 if (ruleset == NULL) {
1293 error = EINVAL;
1294 break;
1295 }
1296 rs_num = pf_get_ruleset_number(pr->rule.action);
1297 if (rs_num >= PF_RULESET_MAX) {
1298 error = EINVAL;
1299 break;
1300 }
1301 if (pr->ticket != ruleset->rules[rs_num].active.ticket) {
1302 error = EBUSY;
1303 break;
1304 }
02742ec6
JS
1305 rule = TAILQ_FIRST(ruleset->rules[rs_num].active.ptr);
1306 while ((rule != NULL) && (rule->nr != pr->nr))
1307 rule = TAILQ_NEXT(rule, entries);
1308 if (rule == NULL) {
1309 error = EBUSY;
02742ec6
JS
1310 break;
1311 }
1312 bcopy(rule, &pr->rule, sizeof(struct pf_rule));
70224baa
JL
1313 if (pf_anchor_copyout(ruleset, rule, pr)) {
1314 error = EBUSY;
1315 break;
1316 }
ed1f0be2
JL
1317 pf_addr_copyout(&pr->rule.src.addr);
1318 pf_addr_copyout(&pr->rule.dst.addr);
02742ec6
JS
1319 for (i = 0; i < PF_SKIP_COUNT; ++i)
1320 if (rule->skip[i].ptr == NULL)
33040f9e 1321 pr->rule.skip[i].nr = (uint32_t)(-1);
02742ec6
JS
1322 else
1323 pr->rule.skip[i].nr =
1324 rule->skip[i].ptr->nr;
70224baa
JL
1325
1326 if (pr->action == PF_GET_CLR_CNTR) {
1327 rule->evaluations = 0;
1328 rule->packets[0] = rule->packets[1] = 0;
1329 rule->bytes[0] = rule->bytes[1] = 0;
ed1f0be2 1330 rule->states_tot = 0;
70224baa 1331 }
02742ec6
JS
1332 break;
1333 }
1334
1335 case DIOCCHANGERULE: {
1336 struct pfioc_rule *pcr = (struct pfioc_rule *)addr;
1337 struct pf_ruleset *ruleset;
1338 struct pf_rule *oldrule = NULL, *newrule = NULL;
1339 u_int32_t nr = 0;
1340 int rs_num;
1341
1342 if (!(pcr->action == PF_CHANGE_REMOVE ||
1343 pcr->action == PF_CHANGE_GET_TICKET) &&
1344 pcr->pool_ticket != ticket_pabuf) {
1345 error = EBUSY;
1346 break;
1347 }
1348
1349 if (pcr->action < PF_CHANGE_ADD_HEAD ||
1350 pcr->action > PF_CHANGE_GET_TICKET) {
1351 error = EINVAL;
1352 break;
1353 }
70224baa 1354 ruleset = pf_find_ruleset(pcr->anchor);
02742ec6
JS
1355 if (ruleset == NULL) {
1356 error = EINVAL;
1357 break;
1358 }
1359 rs_num = pf_get_ruleset_number(pcr->rule.action);
1360 if (rs_num >= PF_RULESET_MAX) {
1361 error = EINVAL;
1362 break;
1363 }
1364
1365 if (pcr->action == PF_CHANGE_GET_TICKET) {
1366 pcr->ticket = ++ruleset->rules[rs_num].active.ticket;
1367 break;
1368 } else {
1369 if (pcr->ticket !=
1370 ruleset->rules[rs_num].active.ticket) {
1371 error = EINVAL;
1372 break;
1373 }
1374 if (pcr->rule.return_icmp >> 8 > ICMP_MAXTYPE) {
1375 error = EINVAL;
1376 break;
1377 }
1378 }
1379
1380 if (pcr->action != PF_CHANGE_REMOVE) {
1186cbc0 1381 newrule = kmalloc(sizeof(struct pf_rule), M_PFRULEPL, M_WAITOK|M_NULLOK);
02742ec6
JS
1382 if (newrule == NULL) {
1383 error = ENOMEM;
1384 break;
1385 }
1386 bcopy(&pcr->rule, newrule, sizeof(struct pf_rule));
70224baa 1387 newrule->cuid = ap->a_cred->cr_ruid;
8542fb09 1388 newrule->cpid = 0;
02742ec6
JS
1389 TAILQ_INIT(&newrule->rpool.list);
1390 /* initialize refcounting */
ed1f0be2 1391 newrule->states_cur = 0;
02742ec6
JS
1392 newrule->entries.tqe_prev = NULL;
1393#ifndef INET
1394 if (newrule->af == AF_INET) {
1186cbc0 1395 kfree(newrule, M_PFRULEPL);
02742ec6
JS
1396 error = EAFNOSUPPORT;
1397 break;
1398 }
1399#endif /* INET */
1400#ifndef INET6
1401 if (newrule->af == AF_INET6) {
1186cbc0 1402 kfree(newrule, M_PFRULEPL);
02742ec6
JS
1403 error = EAFNOSUPPORT;
1404 break;
1405 }
1406#endif /* INET6 */
1407 if (newrule->ifname[0]) {
70224baa 1408 newrule->kif = pfi_kif_get(newrule->ifname);
02742ec6 1409 if (newrule->kif == NULL) {
1186cbc0 1410 kfree(newrule, M_PFRULEPL);
02742ec6
JS
1411 error = EINVAL;
1412 break;
1413 }
70224baa 1414 pfi_kif_ref(newrule->kif, PFI_KIF_REF_RULE);
02742ec6
JS
1415 } else
1416 newrule->kif = NULL;
1417
70224baa
JL
1418 if (newrule->rtableid > 0 &&
1419 newrule->rtableid > rt_numfibs)
1420 error = EBUSY;
1421
02742ec6
JS
1422#ifdef ALTQ
1423 /* set queue IDs */
1424 if (newrule->qname[0] != 0) {
1425 if ((newrule->qid =
1426 pf_qname2qid(newrule->qname)) == 0)
1427 error = EBUSY;
1428 else if (newrule->pqname[0] != 0) {
1429 if ((newrule->pqid =
1430 pf_qname2qid(newrule->pqname)) == 0)
1431 error = EBUSY;
1432 } else
1433 newrule->pqid = newrule->qid;
1434 }
70224baa 1435#endif /* ALTQ */
02742ec6
JS
1436 if (newrule->tagname[0])
1437 if ((newrule->tag =
1438 pf_tagname2tag(newrule->tagname)) == 0)
1439 error = EBUSY;
1440 if (newrule->match_tagname[0])
1441 if ((newrule->match_tag = pf_tagname2tag(
1442 newrule->match_tagname)) == 0)
1443 error = EBUSY;
02742ec6
JS
1444 if (newrule->rt && !newrule->direction)
1445 error = EINVAL;
315a7da3
JL
1446#if NPFLOG > 0
1447 if (!newrule->log)
1448 newrule->logif = 0;
1449 if (newrule->logif >= PFLOGIFS_MAX)
1450 error = EINVAL;
1451#endif
70224baa
JL
1452 if (pf_rtlabel_add(&newrule->src.addr) ||
1453 pf_rtlabel_add(&newrule->dst.addr))
1454 error = EBUSY;
ed1f0be2 1455 if (pf_addr_setup(ruleset, &newrule->src.addr, newrule->af))
02742ec6 1456 error = EINVAL;
ed1f0be2 1457 if (pf_addr_setup(ruleset, &newrule->dst.addr, newrule->af))
02742ec6 1458 error = EINVAL;
70224baa
JL
1459 if (pf_anchor_setup(newrule, ruleset, pcr->anchor_call))
1460 error = EINVAL;
1461 TAILQ_FOREACH(pa, &pf_pabuf, entries)
1462 if (pf_tbladdr_setup(ruleset, &pa->addr))
1463 error = EINVAL;
1464
1465 if (newrule->overload_tblname[0]) {
1466 if ((newrule->overload_tbl = pfr_attach_table(
1467 ruleset, newrule->overload_tblname)) ==
1468 NULL)
1469 error = EINVAL;
1470 else
1471 newrule->overload_tbl->pfrkt_flags |=
1472 PFR_TFLAG_ACTIVE;
1473 }
02742ec6
JS
1474
1475 pf_mv_pool(&pf_pabuf, &newrule->rpool.list);
1476 if (((((newrule->action == PF_NAT) ||
1477 (newrule->action == PF_RDR) ||
1478 (newrule->action == PF_BINAT) ||
1479 (newrule->rt > PF_FASTROUTE)) &&
70224baa 1480 !newrule->anchor)) &&
02742ec6
JS
1481 (TAILQ_FIRST(&newrule->rpool.list) == NULL))
1482 error = EINVAL;
1483
1484 if (error) {
1485 pf_rm_rule(NULL, newrule);
1486 break;
1487 }
1488 newrule->rpool.cur = TAILQ_FIRST(&newrule->rpool.list);
70224baa
JL
1489 newrule->evaluations = 0;
1490 newrule->packets[0] = newrule->packets[1] = 0;
1491 newrule->bytes[0] = newrule->bytes[1] = 0;
02742ec6
JS
1492 }
1493 pf_empty_pool(&pf_pabuf);
1494
02742ec6
JS
1495 if (pcr->action == PF_CHANGE_ADD_HEAD)
1496 oldrule = TAILQ_FIRST(
1497 ruleset->rules[rs_num].active.ptr);
1498 else if (pcr->action == PF_CHANGE_ADD_TAIL)
1499 oldrule = TAILQ_LAST(
1500 ruleset->rules[rs_num].active.ptr, pf_rulequeue);
1501 else {
1502 oldrule = TAILQ_FIRST(
1503 ruleset->rules[rs_num].active.ptr);
1504 while ((oldrule != NULL) && (oldrule->nr != pcr->nr))
1505 oldrule = TAILQ_NEXT(oldrule, entries);
1506 if (oldrule == NULL) {
70224baa
JL
1507 if (newrule != NULL)
1508 pf_rm_rule(NULL, newrule);
02742ec6 1509 error = EINVAL;
02742ec6
JS
1510 break;
1511 }
1512 }
1513
70224baa 1514 if (pcr->action == PF_CHANGE_REMOVE) {
02742ec6 1515 pf_rm_rule(ruleset->rules[rs_num].active.ptr, oldrule);
70224baa
JL
1516 ruleset->rules[rs_num].active.rcount--;
1517 } else {
02742ec6
JS
1518 if (oldrule == NULL)
1519 TAILQ_INSERT_TAIL(
1520 ruleset->rules[rs_num].active.ptr,
1521 newrule, entries);
1522 else if (pcr->action == PF_CHANGE_ADD_HEAD ||
1523 pcr->action == PF_CHANGE_ADD_BEFORE)
1524 TAILQ_INSERT_BEFORE(oldrule, newrule, entries);
1525 else
1526 TAILQ_INSERT_AFTER(
1527 ruleset->rules[rs_num].active.ptr,
1528 oldrule, newrule, entries);
70224baa 1529 ruleset->rules[rs_num].active.rcount++;
02742ec6
JS
1530 }
1531
1532 nr = 0;
1533 TAILQ_FOREACH(oldrule,
1534 ruleset->rules[rs_num].active.ptr, entries)
1535 oldrule->nr = nr++;
1536
70224baa
JL
1537 ruleset->rules[rs_num].active.ticket++;
1538
02742ec6
JS
1539 pf_calc_skip_steps(ruleset->rules[rs_num].active.ptr);
1540 pf_remove_if_empty_ruleset(ruleset);
02742ec6 1541
02742ec6
JS
1542 break;
1543 }
1544
1545 case DIOCCLRSTATES: {
315a7da3 1546 struct pf_state *s, *nexts;
02742ec6 1547 struct pfioc_state_kill *psk = (struct pfioc_state_kill *)addr;
ed1f0be2 1548 u_int killed = 0;
02742ec6 1549
315a7da3
JL
1550 for (s = RB_MIN(pf_state_tree_id, &tree_id); s; s = nexts) {
1551 nexts = RB_NEXT(pf_state_tree_id, &tree_id, s);
70224baa 1552
02742ec6 1553 if (!psk->psk_ifname[0] || !strcmp(psk->psk_ifname,
315a7da3 1554 s->kif->pfik_name)) {
02742ec6 1555 /* don't send out individual delete messages */
315a7da3 1556 s->sync_flags = PFSTATE_NOSYNC;
315a7da3 1557 pf_unlink_state(s);
02742ec6
JS
1558 killed++;
1559 }
1560 }
ed1f0be2 1561 psk->psk_killed = killed;
02742ec6 1562 pfsync_clear_states(pf_status.hostid, psk->psk_ifname);
02742ec6
JS
1563 break;
1564 }
1565
1566 case DIOCKILLSTATES: {
315a7da3
JL
1567 struct pf_state *s, *nexts;
1568 struct pf_state_key *sk;
ed1f0be2
JL
1569 struct pf_addr *srcaddr, *dstaddr;
1570 u_int16_t srcport, dstport;
02742ec6 1571 struct pfioc_state_kill *psk = (struct pfioc_state_kill *)addr;
ed1f0be2
JL
1572 u_int killed = 0;
1573
1574 if (psk->psk_pfcmp.id) {
1575 if (psk->psk_pfcmp.creatorid == 0)
1576 psk->psk_pfcmp.creatorid = pf_status.hostid;
1577 if ((s = pf_find_state_byid(&psk->psk_pfcmp))) {
1578 /* send immediate delete of state */
1579 pfsync_delete_state(s);
1580 s->sync_flags |= PFSTATE_NOSYNC;
1581 pf_unlink_state(s);
1582 psk->psk_killed = 1;
1583 }
1584 break;
1585 }
02742ec6 1586
315a7da3
JL
1587 for (s = RB_MIN(pf_state_tree_id, &tree_id); s;
1588 s = nexts) {
1589 nexts = RB_NEXT(pf_state_tree_id, &tree_id, s);
ed1f0be2 1590 sk = s->key[PF_SK_WIRE];
70224baa 1591
ed1f0be2
JL
1592 if (s->direction == PF_OUT) {
1593 srcaddr = &sk->addr[1];
1594 dstaddr = &sk->addr[0];
1595 srcport = sk->port[0];
1596 dstport = sk->port[0];
70224baa 1597 } else {
ed1f0be2
JL
1598 srcaddr = &sk->addr[0];
1599 dstaddr = &sk->addr[1];
1600 srcport = sk->port[0];
1601 dstport = sk->port[0];
70224baa 1602 }
315a7da3 1603 if ((!psk->psk_af || sk->af == psk->psk_af)
02742ec6 1604 && (!psk->psk_proto || psk->psk_proto ==
315a7da3 1605 sk->proto) &&
70224baa 1606 PF_MATCHA(psk->psk_src.neg,
02742ec6
JS
1607 &psk->psk_src.addr.v.a.addr,
1608 &psk->psk_src.addr.v.a.mask,
ed1f0be2 1609 srcaddr, sk->af) &&
70224baa 1610 PF_MATCHA(psk->psk_dst.neg,
02742ec6
JS
1611 &psk->psk_dst.addr.v.a.addr,
1612 &psk->psk_dst.addr.v.a.mask,
ed1f0be2 1613 dstaddr, sk->af) &&
02742ec6
JS
1614 (psk->psk_src.port_op == 0 ||
1615 pf_match_port(psk->psk_src.port_op,
1616 psk->psk_src.port[0], psk->psk_src.port[1],
ed1f0be2 1617 srcport)) &&
02742ec6
JS
1618 (psk->psk_dst.port_op == 0 ||
1619 pf_match_port(psk->psk_dst.port_op,
1620 psk->psk_dst.port[0], psk->psk_dst.port[1],
ed1f0be2
JL
1621 dstport)) &&
1622 (!psk->psk_label[0] || (s->rule.ptr->label[0] &&
1623 !strcmp(psk->psk_label, s->rule.ptr->label))) &&
02742ec6 1624 (!psk->psk_ifname[0] || !strcmp(psk->psk_ifname,
315a7da3 1625 s->kif->pfik_name))) {
70224baa 1626 /* send immediate delete of state */
315a7da3
JL
1627 pfsync_delete_state(s);
1628 s->sync_flags |= PFSTATE_NOSYNC;
315a7da3 1629 pf_unlink_state(s);
02742ec6
JS
1630 killed++;
1631 }
1632 }
ed1f0be2 1633 psk->psk_killed = killed;
02742ec6
JS
1634 break;
1635 }
1636
1637 case DIOCADDSTATE: {
1638 struct pfioc_state *ps = (struct pfioc_state *)addr;
ed1f0be2 1639 struct pfsync_state *sp = &ps->state;
02742ec6 1640
315a7da3
JL
1641 if (sp->timeout >= PFTM_MAX &&
1642 sp->timeout != PFTM_UNTIL_PACKET) {
02742ec6
JS
1643 error = EINVAL;
1644 break;
1645 }
ed1f0be2 1646 error = pfsync_state_import(sp, PFSYNC_SI_IOCTL);
02742ec6
JS
1647 break;
1648 }
1649
1650 case DIOCGETSTATE: {
1651 struct pfioc_state *ps = (struct pfioc_state *)addr;
315a7da3 1652 struct pf_state *s;
ed1f0be2 1653 struct pf_state_cmp id_key;
02742ec6 1654
ed1f0be2
JL
1655 bcopy(ps->state.id, &id_key.id, sizeof(id_key.id));
1656 id_key.creatorid = ps->state.creatorid;
1657
1658 s = pf_find_state_byid(&id_key);
315a7da3 1659 if (s == NULL) {
ed1f0be2 1660 error = ENOENT;
02742ec6
JS
1661 break;
1662 }
ed1f0be2 1663 pfsync_state_export(&ps->state, s);
02742ec6
JS
1664 break;
1665 }
1666
1667 case DIOCGETSTATES: {
1668 struct pfioc_states *ps = (struct pfioc_states *)addr;
1669 struct pf_state *state;
315a7da3 1670 struct pfsync_state *p, *pstore;
02742ec6 1671 u_int32_t nr = 0;
02742ec6 1672
315a7da3 1673 if (ps->ps_len == 0) {
70224baa 1674 nr = pf_status.states;
315a7da3 1675 ps->ps_len = sizeof(struct pfsync_state) * nr;
70224baa 1676 break;
02742ec6
JS
1677 }
1678
70224baa
JL
1679 pstore = kmalloc(sizeof(*pstore), M_TEMP, M_WAITOK);
1680
02742ec6 1681 p = ps->ps_states;
70224baa
JL
1682
1683 state = TAILQ_FIRST(&state_list);
1684 while (state) {
1685 if (state->timeout != PFTM_UNLINKED) {
02742ec6
JS
1686 if ((nr+1) * sizeof(*p) > (unsigned)ps->ps_len)
1687 break;
ed1f0be2 1688 pfsync_state_export(pstore, state);
70224baa 1689 error = copyout(pstore, p, sizeof(*p));
02742ec6 1690 if (error) {
70224baa 1691 kfree(pstore, M_TEMP);
02742ec6
JS
1692 goto fail;
1693 }
1694 p++;
1695 nr++;
1696 }
315a7da3 1697 state = TAILQ_NEXT(state, entry_list);
70224baa
JL
1698 }
1699
315a7da3 1700 ps->ps_len = sizeof(struct pfsync_state) * nr;
70224baa
JL
1701
1702 kfree(pstore, M_TEMP);
02742ec6
JS
1703 break;
1704 }
1705
1706 case DIOCGETSTATUS: {
1707 struct pf_status *s = (struct pf_status *)addr;
1708 bcopy(&pf_status, s, sizeof(struct pf_status));
ed1f0be2 1709 pfi_update_status(s->ifname, s);
02742ec6
JS
1710 break;
1711 }
1712
1713 case DIOCSETSTATUSIF: {
1714 struct pfioc_if *pi = (struct pfioc_if *)addr;
1715
1716 if (pi->ifname[0] == 0) {
1717 bzero(pf_status.ifname, IFNAMSIZ);
1718 break;
1719 }
02742ec6
JS
1720 strlcpy(pf_status.ifname, pi->ifname, IFNAMSIZ);
1721 break;
1722 }
1723
1724 case DIOCCLRSTATUS: {
1725 bzero(pf_status.counters, sizeof(pf_status.counters));
1726 bzero(pf_status.fcounters, sizeof(pf_status.fcounters));
1727 bzero(pf_status.scounters, sizeof(pf_status.scounters));
70224baa 1728 pf_status.since = time_second;
02742ec6 1729 if (*pf_status.ifname)
ed1f0be2 1730 pfi_update_status(pf_status.ifname, NULL);
02742ec6
JS
1731 break;
1732 }
1733
1734 case DIOCNATLOOK: {
1735 struct pfioc_natlook *pnl = (struct pfioc_natlook *)addr;
315a7da3 1736 struct pf_state_key *sk;
02742ec6 1737 struct pf_state *state;
315a7da3 1738 struct pf_state_key_cmp key;
02742ec6 1739 int m = 0, direction = pnl->direction;
ed1f0be2 1740 int sidx, didx;
02742ec6 1741
ed1f0be2
JL
1742 /* NATLOOK src and dst are reversed, so reverse sidx/didx */
1743 sidx = (direction == PF_IN) ? 1 : 0;
1744 didx = (direction == PF_IN) ? 0 : 1;
02742ec6
JS
1745
1746 if (!pnl->proto ||
1747 PF_AZERO(&pnl->saddr, pnl->af) ||
1748 PF_AZERO(&pnl->daddr, pnl->af) ||
70224baa
JL
1749 ((pnl->proto == IPPROTO_TCP ||
1750 pnl->proto == IPPROTO_UDP) &&
1751 (!pnl->dport || !pnl->sport)))
02742ec6
JS
1752 error = EINVAL;
1753 else {
ed1f0be2
JL
1754 key.af = pnl->af;
1755 key.proto = pnl->proto;
1756 PF_ACPY(&key.addr[sidx], &pnl->saddr, pnl->af);
1757 key.port[sidx] = pnl->sport;
1758 PF_ACPY(&key.addr[didx], &pnl->daddr, pnl->af);
1759 key.port[didx] = pnl->dport;
1760
1761 state = pf_find_state_all(&key, direction, &m);
1762
02742ec6
JS
1763 if (m > 1)
1764 error = E2BIG; /* more than one state */
1765 else if (state != NULL) {
ed1f0be2
JL
1766 sk = state->key[sidx];
1767 PF_ACPY(&pnl->rsaddr, &sk->addr[sidx], sk->af);
1768 pnl->rsport = sk->port[sidx];
1769 PF_ACPY(&pnl->rdaddr, &sk->addr[didx], sk->af);
1770 pnl->rdport = sk->port[didx];
02742ec6
JS
1771 } else
1772 error = ENOENT;
02742ec6
JS
1773 }
1774 break;
1775 }
1776
1777 case DIOCSETTIMEOUT: {
1778 struct pfioc_tm *pt = (struct pfioc_tm *)addr;
1779 int old;
1780
1781 if (pt->timeout < 0 || pt->timeout >= PFTM_MAX ||
1782 pt->seconds < 0) {
1783 error = EINVAL;
1784 goto fail;
1785 }
1786 old = pf_default_rule.timeout[pt->timeout];
70224baa
JL
1787 if (pt->timeout == PFTM_INTERVAL && pt->seconds == 0)
1788 pt->seconds = 1;
02742ec6 1789 pf_default_rule.timeout[pt->timeout] = pt->seconds;
70224baa
JL
1790 if (pt->timeout == PFTM_INTERVAL && pt->seconds < old)
1791 wakeup(pf_purge_thread);
02742ec6
JS
1792 pt->seconds = old;
1793 break;
1794 }
1795
1796 case DIOCGETTIMEOUT: {
1797 struct pfioc_tm *pt = (struct pfioc_tm *)addr;
1798
1799 if (pt->timeout < 0 || pt->timeout >= PFTM_MAX) {
1800 error = EINVAL;
1801 goto fail;
1802 }
1803 pt->seconds = pf_default_rule.timeout[pt->timeout];
1804 break;
1805 }
1806
1807 case DIOCGETLIMIT: {
1808 struct pfioc_limit *pl = (struct pfioc_limit *)addr;
1809
1810 if (pl->index < 0 || pl->index >= PF_LIMIT_MAX) {
1811 error = EINVAL;
1812 goto fail;
1813 }
1814 pl->limit = pf_pool_limits[pl->index].limit;
1815 break;
1816 }
1817
1818 case DIOCSETLIMIT: {
1819 struct pfioc_limit *pl = (struct pfioc_limit *)addr;
1820 int old_limit;
1821
1822 if (pl->index < 0 || pl->index >= PF_LIMIT_MAX ||
1823 pf_pool_limits[pl->index].pp == NULL) {
1824 error = EINVAL;
1825 goto fail;
1826 }
1827
1828 /* XXX Get an API to set limits on the zone/pool */
1829 old_limit = pf_pool_limits[pl->index].limit;
1830 pf_pool_limits[pl->index].limit = pl->limit;
1831 pl->limit = old_limit;
1832 break;
1833 }
1834
1835 case DIOCSETDEBUG: {
1836 u_int32_t *level = (u_int32_t *)addr;
1837
1838 pf_status.debug = *level;
1839 break;
1840 }
1841
1842 case DIOCCLRRULECTRS: {
70224baa 1843 /* obsoleted by DIOCGETRULE with action=PF_GET_CLR_CNTR */
02742ec6
JS
1844 struct pf_ruleset *ruleset = &pf_main_ruleset;
1845 struct pf_rule *rule;
1846
02742ec6 1847 TAILQ_FOREACH(rule,
70224baa
JL
1848 ruleset->rules[PF_RULESET_FILTER].active.ptr, entries) {
1849 rule->evaluations = 0;
1850 rule->packets[0] = rule->packets[1] = 0;
1851 rule->bytes[0] = rule->bytes[1] = 0;
1852 }
02742ec6
JS
1853 break;
1854 }
1855
1856 case DIOCGIFSPEED: {
1857 struct pf_ifspeed *psp = (struct pf_ifspeed *)addr;
1858 struct pf_ifspeed ps;
1859 struct ifnet *ifp;
1860
1861 if (psp->ifname[0] != 0) {
1862 /* Can we completely trust user-land? */
1863 strlcpy(ps.ifname, psp->ifname, IFNAMSIZ);
1864 ifp = ifunit(ps.ifname);
1865 if (ifp )
1866 psp->baudrate = ifp->if_baudrate;
1867 else
1868 error = EINVAL;
1869 } else
1870 error = EINVAL;
1871 break;
1872 }
1873#ifdef ALTQ
1874 case DIOCSTARTALTQ: {
1875 struct pf_altq *altq;
02742ec6
JS
1876
1877 /* enable all altq interfaces on active list */
02742ec6
JS
1878 TAILQ_FOREACH(altq, pf_altqs_active, entries) {
1879 if (altq->qname[0] == 0) {
70224baa 1880 error = pf_enable_altq(altq);
02742ec6
JS
1881 if (error != 0)
1882 break;
1883 }
1884 }
70224baa
JL
1885 if (error == 0)
1886 pf_altq_running = 1;
02742ec6
JS
1887 DPFPRINTF(PF_DEBUG_MISC, ("altq: started\n"));
1888 break;
1889 }
1890
1891 case DIOCSTOPALTQ: {
1892 struct pf_altq *altq;
02742ec6
JS
1893
1894 /* disable all altq interfaces on active list */
02742ec6
JS
1895 TAILQ_FOREACH(altq, pf_altqs_active, entries) {
1896 if (altq->qname[0] == 0) {
70224baa
JL
1897 error = pf_disable_altq(altq);
1898 if (error != 0)
02742ec6 1899 break;
02742ec6
JS
1900 }
1901 }
70224baa
JL
1902 if (error == 0)
1903 pf_altq_running = 0;
02742ec6
JS
1904 DPFPRINTF(PF_DEBUG_MISC, ("altq: stopped\n"));
1905 break;
1906 }
1907
02742ec6
JS
1908 case DIOCADDALTQ: {
1909 struct pfioc_altq *pa = (struct pfioc_altq *)addr;
1910 struct pf_altq *altq, *a;
1911
1912 if (pa->ticket != ticket_altqs_inactive) {
1913 error = EBUSY;
1914 break;
1915 }
1186cbc0 1916 altq = kmalloc(sizeof(struct pf_altq), M_PFALTQPL, M_WAITOK|M_NULLOK);
02742ec6
JS
1917 if (altq == NULL) {
1918 error = ENOMEM;
1919 break;
1920 }
1921 bcopy(&pa->altq, altq, sizeof(struct pf_altq));
1922
1923 /*
1924 * if this is for a queue, find the discipline and
1925 * copy the necessary fields
1926 */
1927 if (altq->qname[0] != 0) {
1928 if ((altq->qid = pf_qname2qid(altq->qname)) == 0) {
1929 error = EBUSY;
1186cbc0 1930 kfree(altq, M_PFALTQPL);
02742ec6
JS
1931 break;
1932 }
ed1f0be2 1933 altq->altq_disc = NULL;
02742ec6
JS
1934 TAILQ_FOREACH(a, pf_altqs_inactive, entries) {
1935 if (strncmp(a->ifname, altq->ifname,
1936 IFNAMSIZ) == 0 && a->qname[0] == 0) {
1937 altq->altq_disc = a->altq_disc;
1938 break;
1939 }
1940 }
1941 }
1942
1943 error = altq_add(altq);
1944 if (error) {
1186cbc0 1945 kfree(altq, M_PFALTQPL);
02742ec6
JS
1946 break;
1947 }
1948
1949 TAILQ_INSERT_TAIL(pf_altqs_inactive, altq, entries);
1950 bcopy(altq, &pa->altq, sizeof(struct pf_altq));
1951 break;
1952 }
1953
02742ec6
JS
1954 case DIOCGETALTQS: {
1955 struct pfioc_altq *pa = (struct pfioc_altq *)addr;
1956 struct pf_altq *altq;
1957
1958 pa->nr = 0;
02742ec6
JS
1959 TAILQ_FOREACH(altq, pf_altqs_active, entries)
1960 pa->nr++;
1961 pa->ticket = ticket_altqs_active;
02742ec6
JS
1962 break;
1963 }
1964
1965 case DIOCGETALTQ: {
1966 struct pfioc_altq *pa = (struct pfioc_altq *)addr;
1967 struct pf_altq *altq;
1968 u_int32_t nr;
1969
1970 if (pa->ticket != ticket_altqs_active) {
1971 error = EBUSY;
1972 break;
1973 }
1974 nr = 0;
02742ec6
JS
1975 altq = TAILQ_FIRST(pf_altqs_active);
1976 while ((altq != NULL) && (nr < pa->nr)) {
1977 altq = TAILQ_NEXT(altq, entries);
1978 nr++;
1979 }
1980 if (altq == NULL) {
1981 error = EBUSY;
02742ec6
JS
1982 break;
1983 }
1984 bcopy(altq, &pa->altq, sizeof(struct pf_altq));
02742ec6
JS
1985 break;
1986 }
1987
1988 case DIOCCHANGEALTQ:
1989 /* CHANGEALTQ not supported yet! */
1990 error = ENODEV;
1991 break;
1992
1993 case DIOCGETQSTATS: {
1994 struct pfioc_qstats *pq = (struct pfioc_qstats *)addr;
1995 struct pf_altq *altq;
1996 u_int32_t nr;
1997 int nbytes;
1998
1999 if (pq->ticket != ticket_altqs_active) {
2000 error = EBUSY;
2001 break;
2002 }
2003 nbytes = pq->nbytes;
2004 nr = 0;
02742ec6
JS
2005 altq = TAILQ_FIRST(pf_altqs_active);
2006 while ((altq != NULL) && (nr < pq->nr)) {
2007 altq = TAILQ_NEXT(altq, entries);
2008 nr++;
2009 }
2010 if (altq == NULL) {
2011 error = EBUSY;
02742ec6
JS
2012 break;
2013 }
2014 error = altq_getqstats(altq, pq->buf, &nbytes);
02742ec6
JS
2015 if (error == 0) {
2016 pq->scheduler = altq->scheduler;
2017 pq->nbytes = nbytes;
2018 }
2019 break;
2020 }
2021#endif /* ALTQ */
2022
2023 case DIOCBEGINADDRS: {
2024 struct pfioc_pooladdr *pp = (struct pfioc_pooladdr *)addr;
2025
2026 pf_empty_pool(&pf_pabuf);
2027 pp->ticket = ++ticket_pabuf;
2028 break;
2029 }
2030
2031 case DIOCADDADDR: {
2032 struct pfioc_pooladdr *pp = (struct pfioc_pooladdr *)addr;
2033
70224baa
JL
2034 if (pp->ticket != ticket_pabuf) {
2035 error = EBUSY;
2036 break;
2037 }
02742ec6
JS
2038#ifndef INET
2039 if (pp->af == AF_INET) {
2040 error = EAFNOSUPPORT;
2041 break;
2042 }
2043#endif /* INET */
2044#ifndef INET6
2045 if (pp->af == AF_INET6) {
2046 error = EAFNOSUPPORT;
2047 break;
2048 }
2049#endif /* INET6 */
2050 if (pp->addr.addr.type != PF_ADDR_ADDRMASK &&
2051 pp->addr.addr.type != PF_ADDR_DYNIFTL &&
2052 pp->addr.addr.type != PF_ADDR_TABLE) {
2053 error = EINVAL;
2054 break;
2055 }
1186cbc0 2056 pa = kmalloc(sizeof(struct pf_altq), M_PFPOOLADDRPL, M_WAITOK|M_NULLOK);
02742ec6
JS
2057 if (pa == NULL) {
2058 error = ENOMEM;
2059 break;
2060 }
2061 bcopy(&pp->addr, pa, sizeof(struct pf_pooladdr));
2062 if (pa->ifname[0]) {
70224baa 2063 pa->kif = pfi_kif_get(pa->ifname);
02742ec6 2064 if (pa->kif == NULL) {
1186cbc0 2065 kfree(ap, M_PFPOOLADDRPL);
02742ec6
JS
2066 error = EINVAL;
2067 break;
2068 }
70224baa 2069 pfi_kif_ref(pa->kif, PFI_KIF_REF_RULE);
02742ec6
JS
2070 }
2071 if (pfi_dynaddr_setup(&pa->addr, pp->af)) {
2072 pfi_dynaddr_remove(&pa->addr);
70224baa 2073 pfi_kif_unref(pa->kif, PFI_KIF_REF_RULE);
1186cbc0 2074 kfree(pa, M_PFPOOLADDRPL);
02742ec6
JS
2075 error = EINVAL;
2076 break;
2077 }
2078 TAILQ_INSERT_TAIL(&pf_pabuf, pa, entries);
2079 break;
2080 }
2081
2082 case DIOCGETADDRS: {
2083 struct pfioc_pooladdr *pp = (struct pfioc_pooladdr *)addr;
2084
2085 pp->nr = 0;
70224baa
JL
2086 pool = pf_get_pool(pp->anchor, pp->ticket, pp->r_action,
2087 pp->r_num, 0, 1, 0);
02742ec6
JS
2088 if (pool == NULL) {
2089 error = EBUSY;
02742ec6
JS
2090 break;
2091 }
2092 TAILQ_FOREACH(pa, &pool->list, entries)
2093 pp->nr++;
02742ec6
JS
2094 break;
2095 }
2096
2097 case DIOCGETADDR: {
2098 struct pfioc_pooladdr *pp = (struct pfioc_pooladdr *)addr;
2099 u_int32_t nr = 0;
2100
70224baa
JL
2101 pool = pf_get_pool(pp->anchor, pp->ticket, pp->r_action,
2102 pp->r_num, 0, 1, 1);
02742ec6
JS
2103 if (pool == NULL) {
2104 error = EBUSY;
02742ec6
JS
2105 break;
2106 }
2107 pa = TAILQ_FIRST(&pool->list);
2108 while ((pa != NULL) && (nr < pp->nr)) {
2109 pa = TAILQ_NEXT(pa, entries);
2110 nr++;
2111 }
2112 if (pa == NULL) {
2113 error = EBUSY;
02742ec6
JS
2114 break;
2115 }
2116 bcopy(pa, &pp->addr, sizeof(struct pf_pooladdr));
ed1f0be2 2117 pf_addr_copyout(&pp->addr.addr);
02742ec6
JS
2118 break;
2119 }
2120
2121 case DIOCCHANGEADDR: {
2122 struct pfioc_pooladdr *pca = (struct pfioc_pooladdr *)addr;
2123 struct pf_pooladdr *oldpa = NULL, *newpa = NULL;
2124 struct pf_ruleset *ruleset;
2125
2126 if (pca->action < PF_CHANGE_ADD_HEAD ||
2127 pca->action > PF_CHANGE_REMOVE) {
2128 error = EINVAL;
2129 break;
2130 }
2131 if (pca->addr.addr.type != PF_ADDR_ADDRMASK &&
2132 pca->addr.addr.type != PF_ADDR_DYNIFTL &&
2133 pca->addr.addr.type != PF_ADDR_TABLE) {
2134 error = EINVAL;
2135 break;
2136 }
2137
70224baa 2138 ruleset = pf_find_ruleset(pca->anchor);
02742ec6
JS
2139 if (ruleset == NULL) {
2140 error = EBUSY;
2141 break;
2142 }
70224baa
JL
2143 pool = pf_get_pool(pca->anchor, pca->ticket, pca->r_action,
2144 pca->r_num, pca->r_last, 1, 1);
02742ec6
JS
2145 if (pool == NULL) {
2146 error = EBUSY;
2147 break;
2148 }
2149 if (pca->action != PF_CHANGE_REMOVE) {
1186cbc0
JL
2150 newpa = kmalloc(sizeof(struct pf_pooladdr),
2151 M_PFPOOLADDRPL, M_WAITOK|M_NULLOK);
02742ec6
JS
2152 if (newpa == NULL) {
2153 error = ENOMEM;
2154 break;
2155 }
2156 bcopy(&pca->addr, newpa, sizeof(struct pf_pooladdr));
2157#ifndef INET
2158 if (pca->af == AF_INET) {
1186cbc0 2159 kfree(newpa, M_PFPOOLADDRPL);
02742ec6
JS
2160 error = EAFNOSUPPORT;
2161 break;
2162 }
2163#endif /* INET */
2164#ifndef INET6
2165 if (pca->af == AF_INET6) {
1186cbc0 2166 kfree(newpa, M_PFPOOLADDRPL);
02742ec6
JS
2167 error = EAFNOSUPPORT;
2168 break;
2169 }
2170#endif /* INET6 */
2171 if (newpa->ifname[0]) {
70224baa 2172 newpa->kif = pfi_kif_get(newpa->ifname);
02742ec6 2173 if (newpa->kif == NULL) {
1186cbc0 2174 kfree(newpa, M_PFPOOLADDRPL);
02742ec6
JS
2175 error = EINVAL;
2176 break;
2177 }
70224baa 2178 pfi_kif_ref(newpa->kif, PFI_KIF_REF_RULE);
02742ec6
JS
2179 } else
2180 newpa->kif = NULL;
2181 if (pfi_dynaddr_setup(&newpa->addr, pca->af) ||
2182 pf_tbladdr_setup(ruleset, &newpa->addr)) {
2183 pfi_dynaddr_remove(&newpa->addr);
70224baa 2184 pfi_kif_unref(newpa->kif, PFI_KIF_REF_RULE);
1186cbc0 2185 kfree(newpa, M_PFPOOLADDRPL);
02742ec6
JS
2186 error = EINVAL;
2187 break;
2188 }
2189 }
2190
02742ec6
JS
2191 if (pca->action == PF_CHANGE_ADD_HEAD)
2192 oldpa = TAILQ_FIRST(&pool->list);
2193 else if (pca->action == PF_CHANGE_ADD_TAIL)
2194 oldpa = TAILQ_LAST(&pool->list, pf_palist);
2195 else {
2196 int i = 0;
2197
2198 oldpa = TAILQ_FIRST(&pool->list);
2199 while ((oldpa != NULL) && (i < pca->nr)) {
2200 oldpa = TAILQ_NEXT(oldpa, entries);
2201 i++;
2202 }
2203 if (oldpa == NULL) {
2204 error = EINVAL;
02742ec6
JS
2205 break;
2206 }
2207 }
2208
2209 if (pca->action == PF_CHANGE_REMOVE) {
2210 TAILQ_REMOVE(&pool->list, oldpa, entries);
2211 pfi_dynaddr_remove(&oldpa->addr);
2212 pf_tbladdr_remove(&oldpa->addr);
70224baa 2213 pfi_kif_unref(oldpa->kif, PFI_KIF_REF_RULE);
1186cbc0 2214 kfree(oldpa, M_PFPOOLADDRPL);
02742ec6
JS
2215 } else {
2216 if (oldpa == NULL)
2217 TAILQ_INSERT_TAIL(&pool->list, newpa, entries);
2218 else if (pca->action == PF_CHANGE_ADD_HEAD ||
2219 pca->action == PF_CHANGE_ADD_BEFORE)
2220 TAILQ_INSERT_BEFORE(oldpa, newpa, entries);
2221 else
2222 TAILQ_INSERT_AFTER(&pool->list, oldpa,
2223 newpa, entries);
2224 }
2225
2226 pool->cur = TAILQ_FIRST(&pool->list);
2227 PF_ACPY(&pool->counter, &pool->cur->addr.v.a.addr,
2228 pca->af);
02742ec6
JS
2229 break;
2230 }
2231
2232 case DIOCGETRULESETS: {
2233 struct pfioc_ruleset *pr = (struct pfioc_ruleset *)addr;
02742ec6 2234 struct pf_ruleset *ruleset;
70224baa 2235 struct pf_anchor *anchor;
02742ec6 2236
70224baa
JL
2237 pr->path[sizeof(pr->path) - 1] = 0;
2238 if ((ruleset = pf_find_ruleset(pr->path)) == NULL) {
02742ec6
JS
2239 error = EINVAL;
2240 break;
2241 }
2242 pr->nr = 0;
70224baa
JL
2243 if (ruleset->anchor == NULL) {
2244 /* XXX kludge for pf_main_ruleset */
2245 RB_FOREACH(anchor, pf_anchor_global, &pf_anchors)
2246 if (anchor->parent == NULL)
2247 pr->nr++;
2248 } else {
2249 RB_FOREACH(anchor, pf_anchor_node,
2250 &ruleset->anchor->children)
2251 pr->nr++;
2252 }
02742ec6
JS
2253 break;
2254 }
2255
2256 case DIOCGETRULESET: {
2257 struct pfioc_ruleset *pr = (struct pfioc_ruleset *)addr;
02742ec6 2258 struct pf_ruleset *ruleset;
70224baa 2259 struct pf_anchor *anchor;
02742ec6
JS
2260 u_int32_t nr = 0;
2261
70224baa
JL
2262 pr->path[sizeof(pr->path) - 1] = 0;
2263 if ((ruleset = pf_find_ruleset(pr->path)) == NULL) {
02742ec6
JS
2264 error = EINVAL;
2265 break;
2266 }
70224baa
JL
2267 pr->name[0] = 0;
2268 if (ruleset->anchor == NULL) {
2269 /* XXX kludge for pf_main_ruleset */
2270 RB_FOREACH(anchor, pf_anchor_global, &pf_anchors)
2271 if (anchor->parent == NULL && nr++ == pr->nr) {
2272 strlcpy(pr->name, anchor->name,
2273 sizeof(pr->name));
2274 break;
2275 }
2276 } else {
2277 RB_FOREACH(anchor, pf_anchor_node,
2278 &ruleset->anchor->children)
2279 if (nr++ == pr->nr) {
2280 strlcpy(pr->name, anchor->name,
2281 sizeof(pr->name));
2282 break;
2283 }
02742ec6 2284 }
70224baa 2285 if (!pr->name[0])
02742ec6 2286 error = EBUSY;
02742ec6
JS
2287 break;
2288 }
2289
2290 case DIOCRCLRTABLES: {
2291 struct pfioc_table *io = (struct pfioc_table *)addr;
2292
2293 if (io->pfrio_esize != 0) {
2294 error = ENODEV;
2295 break;
2296 }
2297 error = pfr_clr_tables(&io->pfrio_table, &io->pfrio_ndel,
2298 io->pfrio_flags | PFR_FLAG_USERIOCTL);
2299 break;
2300 }
2301
2302 case DIOCRADDTABLES: {
2303 struct pfioc_table *io = (struct pfioc_table *)addr;
2304
2305 if (io->pfrio_esize != sizeof(struct pfr_table)) {
2306 error = ENODEV;
2307 break;
2308 }
2309 error = pfr_add_tables(io->pfrio_buffer, io->pfrio_size,
2310 &io->pfrio_nadd, io->pfrio_flags | PFR_FLAG_USERIOCTL);
2311 break;
2312 }
2313
2314 case DIOCRDELTABLES: {
2315 struct pfioc_table *io = (struct pfioc_table *)addr;
2316
2317 if (io->pfrio_esize != sizeof(struct pfr_table)) {
2318 error = ENODEV;
2319 break;
2320 }
2321 error = pfr_del_tables(io->pfrio_buffer, io->pfrio_size,
2322 &io->pfrio_ndel, io->pfrio_flags | PFR_FLAG_USERIOCTL);
2323 break;
2324 }
2325
2326 case DIOCRGETTABLES: {
2327 struct pfioc_table *io = (struct pfioc_table *)addr;
2328
2329 if (io->pfrio_esize != sizeof(struct pfr_table)) {
2330 error = ENODEV;
2331 break;
2332 }
2333 error = pfr_get_tables(&io->pfrio_table, io->pfrio_buffer,
2334 &io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL);
2335 break;
2336 }
2337
2338 case DIOCRGETTSTATS: {
2339 struct pfioc_table *io = (struct pfioc_table *)addr;
2340
2341 if (io->pfrio_esize != sizeof(struct pfr_tstats)) {
2342 error = ENODEV;
2343 break;
2344 }
2345 error = pfr_get_tstats(&io->pfrio_table, io->pfrio_buffer,
2346 &io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL);
2347 break;
2348 }
2349
2350 case DIOCRCLRTSTATS: {
2351 struct pfioc_table *io = (struct pfioc_table *)addr;
2352
2353 if (io->pfrio_esize != sizeof(struct pfr_table)) {
2354 error = ENODEV;
2355 break;
2356 }
2357 error = pfr_clr_tstats(io->pfrio_buffer, io->pfrio_size,
2358 &io->pfrio_nzero, io->pfrio_flags | PFR_FLAG_USERIOCTL);
2359 break;
2360 }
2361
2362 case DIOCRSETTFLAGS: {
2363 struct pfioc_table *io = (struct pfioc_table *)addr;
2364
2365 if (io->pfrio_esize != sizeof(struct pfr_table)) {
2366 error = ENODEV;
2367 break;
2368 }
2369 error = pfr_set_tflags(io->pfrio_buffer, io->pfrio_size,
2370 io->pfrio_setflag, io->pfrio_clrflag, &io->pfrio_nchange,
2371 &io->pfrio_ndel, io->pfrio_flags | PFR_FLAG_USERIOCTL);
2372 break;
2373 }
2374
2375 case DIOCRCLRADDRS: {
2376 struct pfioc_table *io = (struct pfioc_table *)addr;
2377
2378 if (io->pfrio_esize != 0) {
2379 error = ENODEV;
2380 break;
2381 }
2382 error = pfr_clr_addrs(&io->pfrio_table, &io->pfrio_ndel,
2383 io->pfrio_flags | PFR_FLAG_USERIOCTL);
2384 break;
2385 }
2386
2387 case DIOCRADDADDRS: {
2388 struct pfioc_table *io = (struct pfioc_table *)addr;
2389
2390 if (io->pfrio_esize != sizeof(struct pfr_addr)) {
2391 error = ENODEV;
2392 break;
2393 }
2394 error = pfr_add_addrs(&io->pfrio_table, io->pfrio_buffer,
2395 io->pfrio_size, &io->pfrio_nadd, io->pfrio_flags |
2396 PFR_FLAG_USERIOCTL);
2397 break;
2398 }
2399
2400 case DIOCRDELADDRS: {
2401 struct pfioc_table *io = (struct pfioc_table *)addr;
2402
2403 if (io->pfrio_esize != sizeof(struct pfr_addr)) {
2404 error = ENODEV;
2405 break;
2406 }
2407 error = pfr_del_addrs(&io->pfrio_table, io->pfrio_buffer,
2408 io->pfrio_size, &io->pfrio_ndel, io->pfrio_flags |
2409 PFR_FLAG_USERIOCTL);
2410 break;
2411 }
2412
2413 case DIOCRSETADDRS: {
2414 struct pfioc_table *io = (struct pfioc_table *)addr;
2415
2416 if (io->pfrio_esize != sizeof(struct pfr_addr)) {
2417 error = ENODEV;
2418 break;
2419 }
2420 error = pfr_set_addrs(&io->pfrio_table, io->pfrio_buffer,
2421 io->pfrio_size, &io->pfrio_size2, &io->pfrio_nadd,
2422 &io->pfrio_ndel, &io->pfrio_nchange, io->pfrio_flags |
70224baa 2423 PFR_FLAG_USERIOCTL, 0);
02742ec6
JS
2424 break;
2425 }
2426
2427 case DIOCRGETADDRS: {
2428 struct pfioc_table *io = (struct pfioc_table *)addr;
2429
2430 if (io->pfrio_esize != sizeof(struct pfr_addr)) {
2431 error = ENODEV;
2432 break;
2433 }
2434 error = pfr_get_addrs(&io->pfrio_table, io->pfrio_buffer,
2435 &io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL);
2436 break;
2437 }
2438
2439 case DIOCRGETASTATS: {
2440 struct pfioc_table *io = (struct pfioc_table *)addr;
2441
2442 if (io->pfrio_esize != sizeof(struct pfr_astats)) {
2443 error = ENODEV;
2444 break;
2445 }
2446 error = pfr_get_astats(&io->pfrio_table, io->pfrio_buffer,
2447 &io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL);
2448 break;
2449 }
2450
2451 case DIOCRCLRASTATS: {
2452 struct pfioc_table *io = (struct pfioc_table *)addr;
2453
2454 if (io->pfrio_esize != sizeof(struct pfr_addr)) {
2455 error = ENODEV;
2456 break;
2457 }
2458 error = pfr_clr_astats(&io->pfrio_table, io->pfrio_buffer,
2459 io->pfrio_size, &io->pfrio_nzero, io->pfrio_flags |
2460 PFR_FLAG_USERIOCTL);
2461 break;
2462 }
2463
2464 case DIOCRTSTADDRS: {
2465 struct pfioc_table *io = (struct pfioc_table *)addr;
2466
2467 if (io->pfrio_esize != sizeof(struct pfr_addr)) {
2468 error = ENODEV;
2469 break;
2470 }
2471 error = pfr_tst_addrs(&io->pfrio_table, io->pfrio_buffer,
2472 io->pfrio_size, &io->pfrio_nmatch, io->pfrio_flags |
2473 PFR_FLAG_USERIOCTL);
2474 break;
2475 }
2476
02742ec6
JS
2477 case DIOCRINADEFINE: {
2478 struct pfioc_table *io = (struct pfioc_table *)addr;
2479
2480 if (io->pfrio_esize != sizeof(struct pfr_addr)) {
2481 error = ENODEV;
2482 break;
2483 }
2484 error = pfr_ina_define(&io->pfrio_table, io->pfrio_buffer,
2485 io->pfrio_size, &io->pfrio_nadd, &io->pfrio_naddr,
2486 io->pfrio_ticket, io->pfrio_flags | PFR_FLAG_USERIOCTL);
2487 break;
2488 }
2489
2490 case DIOCOSFPADD: {
2491 struct pf_osfp_ioctl *io = (struct pf_osfp_ioctl *)addr;
02742ec6 2492 error = pf_osfp_add(io);
02742ec6
JS
2493 break;
2494 }
2495
2496 case DIOCOSFPGET: {
2497 struct pf_osfp_ioctl *io = (struct pf_osfp_ioctl *)addr;
02742ec6 2498 error = pf_osfp_get(io);
02742ec6
JS
2499 break;
2500 }
2501
2502 case DIOCXBEGIN: {
2503 struct pfioc_trans *io = (struct pfioc_trans *)addr;
70224baa
JL
2504 struct pfioc_trans_e *ioe;
2505 struct pfr_table *table;
02742ec6
JS
2506 int i;
2507
70224baa 2508 if (io->esize != sizeof(*ioe)) {
02742ec6
JS
2509 error = ENODEV;
2510 goto fail;
2511 }
ed1f0be2
JL
2512 ioe = kmalloc(sizeof(*ioe), M_TEMP, M_WAITOK);
2513 table = kmalloc(sizeof(*table), M_TEMP, M_WAITOK);
02742ec6 2514 for (i = 0; i < io->size; i++) {
70224baa
JL
2515 if (copyin(io->array+i, ioe, sizeof(*ioe))) {
2516 kfree(table, M_TEMP);
2517 kfree(ioe, M_TEMP);
02742ec6
JS
2518 error = EFAULT;
2519 goto fail;
2520 }
70224baa 2521 switch (ioe->rs_num) {
02742ec6
JS
2522#ifdef ALTQ
2523 case PF_RULESET_ALTQ:
70224baa
JL
2524 if (ioe->anchor[0]) {
2525 kfree(table, M_TEMP);
2526 kfree(ioe, M_TEMP);
02742ec6
JS
2527 error = EINVAL;
2528 goto fail;
2529 }
70224baa
JL
2530 if ((error = pf_begin_altq(&ioe->ticket))) {
2531 kfree(table, M_TEMP);
2532 kfree(ioe, M_TEMP);
02742ec6 2533 goto fail;
70224baa 2534 }
02742ec6
JS
2535 break;
2536#endif /* ALTQ */
2537 case PF_RULESET_TABLE:
70224baa
JL
2538 bzero(table, sizeof(*table));
2539 strlcpy(table->pfrt_anchor, ioe->anchor,
2540 sizeof(table->pfrt_anchor));
2541 if ((error = pfr_ina_begin(table,
2542 &ioe->ticket, NULL, 0))) {
2543 kfree(table, M_TEMP);
2544 kfree(ioe, M_TEMP);
02742ec6 2545 goto fail;
70224baa 2546 }
02742ec6
JS
2547 break;
2548 default:
70224baa
JL
2549 if ((error = pf_begin_rules(&ioe->ticket,
2550 ioe->rs_num, ioe->anchor))) {
2551 kfree(table, M_TEMP);
2552 kfree(ioe, M_TEMP);
02742ec6 2553 goto fail;
70224baa 2554 }
02742ec6
JS
2555 break;
2556 }
70224baa
JL
2557 if (copyout(ioe, io->array+i, sizeof(io->array[i]))) {
2558 kfree(table, M_TEMP);
2559 kfree(ioe, M_TEMP);
02742ec6
JS
2560 error = EFAULT;
2561 goto fail;
2562 }
2563 }
70224baa
JL
2564 kfree(table, M_TEMP);
2565 kfree(ioe, M_TEMP);
02742ec6
JS
2566 break;
2567 }
2568
2569 case DIOCXROLLBACK: {
2570 struct pfioc_trans *io = (struct pfioc_trans *)addr;
70224baa
JL
2571 struct pfioc_trans_e *ioe;
2572 struct pfr_table *table;
02742ec6
JS
2573 int i;
2574
70224baa 2575 if (io->esize != sizeof(*ioe)) {
02742ec6
JS
2576 error = ENODEV;
2577 goto fail;
2578 }
ed1f0be2
JL
2579 ioe = kmalloc(sizeof(*ioe), M_TEMP, M_WAITOK);
2580 table = kmalloc(sizeof(*table), M_TEMP, M_WAITOK);
02742ec6 2581 for (i = 0; i < io->size; i++) {
70224baa
JL
2582 if (copyin(io->array+i, ioe, sizeof(*ioe))) {
2583 kfree(table, M_TEMP);
2584 kfree(ioe, M_TEMP);
02742ec6
JS
2585 error = EFAULT;
2586 goto fail;
2587 }
70224baa 2588 switch (ioe->rs_num) {
02742ec6
JS
2589#ifdef ALTQ
2590 case PF_RULESET_ALTQ:
70224baa
JL
2591 if (ioe->anchor[0]) {
2592 kfree(table, M_TEMP);
2593 kfree(ioe, M_TEMP);
02742ec6
JS
2594 error = EINVAL;
2595 goto fail;
2596 }
70224baa
JL
2597 if ((error = pf_rollback_altq(ioe->ticket))) {
2598 kfree(table, M_TEMP);
2599 kfree(ioe, M_TEMP);
02742ec6 2600 goto fail; /* really bad */
70224baa 2601 }
02742ec6
JS
2602 break;
2603#endif /* ALTQ */
2604 case PF_RULESET_TABLE:
70224baa
JL
2605 bzero(table, sizeof(*table));
2606 strlcpy(table->pfrt_anchor, ioe->anchor,
2607 sizeof(table->pfrt_anchor));
2608 if ((error = pfr_ina_rollback(table,
2609 ioe->ticket, NULL, 0))) {
2610 kfree(table, M_TEMP);
2611 kfree(ioe, M_TEMP);
02742ec6 2612 goto fail; /* really bad */
70224baa 2613 }
02742ec6
JS
2614 break;
2615 default:
70224baa
JL
2616 if ((error = pf_rollback_rules(ioe->ticket,
2617 ioe->rs_num, ioe->anchor))) {
2618 kfree(table, M_TEMP);
2619 kfree(ioe, M_TEMP);
02742ec6 2620 goto fail; /* really bad */
70224baa 2621 }
02742ec6
JS
2622 break;
2623 }
2624 }
70224baa
JL
2625 kfree(table, M_TEMP);
2626 kfree(ioe, M_TEMP);
02742ec6
JS
2627 break;
2628 }
2629
2630 case DIOCXCOMMIT: {
2631 struct pfioc_trans *io = (struct pfioc_trans *)addr;
70224baa
JL
2632 struct pfioc_trans_e *ioe;
2633 struct pfr_table *table;
02742ec6
JS
2634 struct pf_ruleset *rs;
2635 int i;
2636
70224baa 2637 if (io->esize != sizeof(*ioe)) {
02742ec6
JS
2638 error = ENODEV;
2639 goto fail;
2640 }
ed1f0be2
JL
2641 ioe = kmalloc(sizeof(*ioe), M_TEMP, M_WAITOK);
2642 table = kmalloc(sizeof(*table), M_TEMP, M_WAITOK);
02742ec6
JS
2643 /* first makes sure everything will succeed */
2644 for (i = 0; i < io->size; i++) {
70224baa
JL
2645 if (copyin(io->array+i, ioe, sizeof(*ioe))) {
2646 kfree(table, M_TEMP);
2647 kfree(ioe, M_TEMP);
02742ec6
JS
2648 error = EFAULT;
2649 goto fail;
2650 }
70224baa 2651 switch (ioe->rs_num) {
02742ec6
JS
2652#ifdef ALTQ
2653 case PF_RULESET_ALTQ:
70224baa
JL
2654 if (ioe->anchor[0]) {
2655 kfree(table, M_TEMP);
2656 kfree(ioe, M_TEMP);
02742ec6
JS
2657 error = EINVAL;
2658 goto fail;
2659 }
70224baa 2660 if (!altqs_inactive_open || ioe->ticket !=
02742ec6 2661 ticket_altqs_inactive) {
70224baa
JL
2662 kfree(table, M_TEMP);
2663 kfree(ioe, M_TEMP);
02742ec6
JS
2664 error = EBUSY;
2665 goto fail;
2666 }
2667 break;
2668#endif /* ALTQ */
2669 case PF_RULESET_TABLE:
70224baa
JL
2670 rs = pf_find_ruleset(ioe->anchor);
2671 if (rs == NULL || !rs->topen || ioe->ticket !=
02742ec6 2672 rs->tticket) {
70224baa
JL
2673 kfree(table, M_TEMP);
2674 kfree(ioe, M_TEMP);
02742ec6
JS
2675 error = EBUSY;
2676 goto fail;
2677 }
2678 break;
2679 default:
70224baa 2680 if (ioe->rs_num < 0 || ioe->rs_num >=
02742ec6 2681 PF_RULESET_MAX) {
70224baa
JL
2682 kfree(table, M_TEMP);
2683 kfree(ioe, M_TEMP);
02742ec6
JS
2684 error = EINVAL;
2685 goto fail;
2686 }
70224baa 2687 rs = pf_find_ruleset(ioe->anchor);
02742ec6 2688 if (rs == NULL ||
70224baa
JL
2689 !rs->rules[ioe->rs_num].inactive.open ||
2690 rs->rules[ioe->rs_num].inactive.ticket !=
2691 ioe->ticket) {
2692 kfree(table, M_TEMP);
2693 kfree(ioe, M_TEMP);
02742ec6
JS
2694 error = EBUSY;
2695 goto fail;
2696 }
2697 break;
2698 }
2699 }
2700 /* now do the commit - no errors should happen here */
2701 for (i = 0; i < io->size; i++) {
70224baa
JL
2702 if (copyin(io->array+i, ioe, sizeof(*ioe))) {
2703 kfree(table, M_TEMP);
2704 kfree(ioe, M_TEMP);
02742ec6
JS
2705 error = EFAULT;
2706 goto fail;
2707 }
70224baa 2708 switch (ioe->rs_num) {
02742ec6
JS
2709#ifdef ALTQ
2710 case PF_RULESET_ALTQ:
70224baa
JL
2711 if ((error = pf_commit_altq(ioe->ticket))) {
2712 kfree(table, M_TEMP);
2713 kfree(ioe, M_TEMP);
02742ec6 2714 goto fail; /* really bad */
70224baa 2715 }
02742ec6
JS
2716 break;
2717#endif /* ALTQ */
2718 case PF_RULESET_TABLE:
70224baa
JL
2719 bzero(table, sizeof(*table));
2720 strlcpy(table->pfrt_anchor, ioe->anchor,
2721 sizeof(table->pfrt_anchor));
2722 if ((error = pfr_ina_commit(table, ioe->ticket,
2723 NULL, NULL, 0))) {
2724 kfree(table, M_TEMP);
2725 kfree(ioe, M_TEMP);
02742ec6 2726 goto fail; /* really bad */
70224baa 2727 }
02742ec6
JS
2728 break;
2729 default:
70224baa
JL
2730 if ((error = pf_commit_rules(ioe->ticket,
2731 ioe->rs_num, ioe->anchor))) {
2732 kfree(table, M_TEMP);
2733 kfree(ioe, M_TEMP);
02742ec6 2734 goto fail; /* really bad */
70224baa 2735 }
02742ec6
JS
2736 break;
2737 }
2738 }
70224baa
JL
2739 kfree(table, M_TEMP);
2740 kfree(ioe, M_TEMP);
02742ec6
JS
2741 break;
2742 }
2743
2744 case DIOCGETSRCNODES: {
2745 struct pfioc_src_nodes *psn = (struct pfioc_src_nodes *)addr;
70224baa 2746 struct pf_src_node *n, *p, *pstore;
02742ec6
JS
2747 u_int32_t nr = 0;
2748 int space = psn->psn_len;
2749
2750 if (space == 0) {
02742ec6
JS
2751 RB_FOREACH(n, pf_src_tree, &tree_src_tracking)
2752 nr++;
02742ec6 2753 psn->psn_len = sizeof(struct pf_src_node) * nr;
70224baa 2754 break;
02742ec6
JS
2755 }
2756
70224baa
JL
2757 pstore = kmalloc(sizeof(*pstore), M_TEMP, M_WAITOK);
2758
02742ec6
JS
2759 p = psn->psn_src_nodes;
2760 RB_FOREACH(n, pf_src_tree, &tree_src_tracking) {
70224baa 2761 int secs = time_second, diff;
02742ec6
JS
2762
2763 if ((nr + 1) * sizeof(*p) > (unsigned)psn->psn_len)
2764 break;
2765
70224baa 2766 bcopy(n, pstore, sizeof(*pstore));
02742ec6 2767 if (n->rule.ptr != NULL)
70224baa
JL
2768 pstore->rule.nr = n->rule.ptr->nr;
2769 pstore->creation = secs - pstore->creation;
2770 if (pstore->expire > secs)
2771 pstore->expire -= secs;
2772 else
2773 pstore->expire = 0;
2774
2775 /* adjust the connection rate estimate */
2776 diff = secs - n->conn_rate.last;
2777 if (diff >= n->conn_rate.seconds)
2778 pstore->conn_rate.count = 0;
02742ec6 2779 else
70224baa
JL
2780 pstore->conn_rate.count -=
2781 n->conn_rate.count * diff /
2782 n->conn_rate.seconds;
2783
2784 error = copyout(pstore, p, sizeof(*p));
02742ec6 2785 if (error) {
70224baa 2786 kfree(pstore, M_TEMP);
02742ec6
JS
2787 goto fail;
2788 }
2789 p++;
2790 nr++;
2791 }
2792 psn->psn_len = sizeof(struct pf_src_node) * nr;
70224baa
JL
2793
2794 kfree(pstore, M_TEMP);
02742ec6
JS
2795 break;
2796 }
2797
2798 case DIOCCLRSRCNODES: {
2799 struct pf_src_node *n;
2800 struct pf_state *state;
2801
02742ec6
JS
2802 RB_FOREACH(state, pf_state_tree_id, &tree_id) {
2803 state->src_node = NULL;
2804 state->nat_src_node = NULL;
2805 }
2806 RB_FOREACH(n, pf_src_tree, &tree_src_tracking) {
2807 n->expire = 1;
2808 n->states = 0;
2809 }
70224baa 2810 pf_purge_expired_src_nodes(1);
02742ec6 2811 pf_status.src_nodes = 0;
70224baa
JL
2812 break;
2813 }
2814
2815 case DIOCKILLSRCNODES: {
2816 struct pf_src_node *sn;
2817 struct pf_state *s;
ed1f0be2
JL
2818 struct pfioc_src_node_kill *psnk =
2819 (struct pfioc_src_node_kill *)addr;
2820 u_int killed = 0;
70224baa
JL
2821
2822 RB_FOREACH(sn, pf_src_tree, &tree_src_tracking) {
ed1f0be2
JL
2823 if (PF_MATCHA(psnk->psnk_src.neg,
2824 &psnk->psnk_src.addr.v.a.addr,
2825 &psnk->psnk_src.addr.v.a.mask,
2826 &sn->addr, sn->af) &&
2827 PF_MATCHA(psnk->psnk_dst.neg,
2828 &psnk->psnk_dst.addr.v.a.addr,
2829 &psnk->psnk_dst.addr.v.a.mask,
2830 &sn->raddr, sn->af)) {
70224baa
JL
2831 /* Handle state to src_node linkage */
2832 if (sn->states != 0) {
ed1f0be2 2833 RB_FOREACH(s, pf_state_tree_id,
70224baa
JL
2834 &tree_id) {
2835 if (s->src_node == sn)
2836 s->src_node = NULL;
2837 if (s->nat_src_node == sn)
2838 s->nat_src_node = NULL;
2839 }
2840 sn->states = 0;
2841 }
2842 sn->expire = 1;
2843 killed++;
2844 }
2845 }
2846
2847 if (killed > 0)
2848 pf_purge_expired_src_nodes(1);
2849
ed1f0be2 2850 psnk->psnk_killed = killed;
02742ec6
JS
2851 break;
2852 }
2853
2854 case DIOCSETHOSTID: {
2855 u_int32_t *hostid = (u_int32_t *)addr;
2856
70224baa
JL
2857 if (*hostid == 0)
2858 pf_status.hostid = karc4random();
2859 else
2860 pf_status.hostid = *hostid;
02742ec6
JS
2861 break;
2862 }
2863
2864 case DIOCOSFPFLUSH:
cc6e5672 2865 crit_enter();
02742ec6 2866 pf_osfp_flush();
cc6e5672 2867 crit_exit();
02742ec6
JS
2868 break;
2869
2870 case DIOCIGETIFACES: {
2871 struct pfioc_iface *io = (struct pfioc_iface *)addr;
2872
70224baa 2873 if (io->pfiio_esize != sizeof(struct pfi_kif)) {
02742ec6
JS
2874 error = ENODEV;
2875 break;
2876 }
2877 error = pfi_get_ifaces(io->pfiio_name, io->pfiio_buffer,
70224baa
JL
2878 &io->pfiio_size);
2879 break;
2880 }
2881
2882 case DIOCSETIFFLAG: {
2883 struct pfioc_iface *io = (struct pfioc_iface *)addr;
2884
2885 error = pfi_set_flags(io->pfiio_name, io->pfiio_flags);
02742ec6
JS
2886 break;
2887 }
2888
70224baa 2889 case DIOCCLRIFFLAG: {
02742ec6
JS
2890 struct pfioc_iface *io = (struct pfioc_iface *)addr;
2891
70224baa 2892 error = pfi_clear_flags(io->pfiio_name, io->pfiio_flags);
02742ec6
JS
2893 break;
2894 }
2895
2896 default:
2897 error = ENODEV;
2898 break;
2899 }
2900fail:
2a7a2b1c 2901 lwkt_reltoken(&pf_token);
02742ec6
JS
2902 return (error);
2903}
2904
2905/*
2906 * XXX - Check for version missmatch!!!
2907 */
2908static void
2909pf_clear_states(void)
2910{
1186cbc0
JL
2911 struct pf_state *s, *nexts;
2912 u_int killed = 0;
2913
2914 for (s = RB_MIN(pf_state_tree_id, &tree_id); s; s = nexts) {
2915 nexts = RB_NEXT(pf_state_tree_id, &tree_id, s);
02742ec6 2916
02742ec6 2917 /* don't send out individual delete messages */
1186cbc0
JL
2918 s->sync_flags = PFSTATE_NOSYNC;
2919 pf_unlink_state(s);
2920 killed++;
2921
02742ec6 2922 }
1186cbc0 2923
ed1f0be2 2924#if 0 /* PFSYNC */
02742ec6
JS
2925/*
2926 * XXX This is called on module unload, we do not want to sync that over? */
2927 */
2928 pfsync_clear_states(pf_status.hostid, psk->psk_ifname);
2929#endif
2930}
2931
2932static int
2933pf_clear_tables(void)
2934{
2935 struct pfioc_table io;
2936 int error;
2937
2938 bzero(&io, sizeof(io));
2939
2940 error = pfr_clr_tables(&io.pfrio_table, &io.pfrio_ndel,
2941 io.pfrio_flags);
2942
2943 return (error);
2944}
2945
2946static void
2947pf_clear_srcnodes(void)
2948{
2949 struct pf_src_node *n;
2950 struct pf_state *state;
2951
2952 RB_FOREACH(state, pf_state_tree_id, &tree_id) {
2953 state->src_node = NULL;
2954 state->nat_src_node = NULL;
2955 }
2956 RB_FOREACH(n, pf_src_tree, &tree_src_tracking) {
2957 n->expire = 1;
2958 n->states = 0;
2959 }
70224baa 2960 pf_purge_expired_src_nodes(0);
02742ec6
JS
2961 pf_status.src_nodes = 0;
2962}
1186cbc0 2963
02742ec6
JS
2964/*
2965 * XXX - Check for version missmatch!!!
2966 */
2967
2968/*
2969 * Duplicate pfctl -Fa operation to get rid of as much as we can.
2970 */
2971static int
2972shutdown_pf(void)
2973{
2974 int error = 0;
2975 u_int32_t t[5];
2976 char nn = '\0';
2977
ed1f0be2 2978
02742ec6 2979 pf_status.running = 0;
1186cbc0
JL
2980 error = dehook_pf();
2981 if (error) {
2982 pf_status.running = 1;
2983 DPFPRINTF(PF_DEBUG_MISC,
2984 ("pf: pfil unregistration failed\n"));
2985 return(error);
2986 }
02742ec6 2987 do {
70224baa 2988 if ((error = pf_begin_rules(&t[0], PF_RULESET_SCRUB, &nn)) != 0) {
02742ec6
JS
2989 DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: SCRUB\n"));
2990 break;
2991 }
70224baa 2992 if ((error = pf_begin_rules(&t[1], PF_RULESET_FILTER, &nn)) != 0) {
02742ec6
JS
2993 DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: FILTER\n"));
2994 break; /* XXX: rollback? */
2995 }
70224baa 2996 if ((error = pf_begin_rules(&t[2], PF_RULESET_NAT, &nn)) != 0) {
02742ec6
JS
2997 DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: NAT\n"));
2998 break; /* XXX: rollback? */
2999 }
70224baa 3000 if ((error = pf_begin_rules(&t[3], PF_RULESET_BINAT, &nn))
02742ec6
JS
3001 != 0) {
3002 DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: BINAT\n"));
3003 break; /* XXX: rollback? */
3004 }
70224baa 3005 if ((error = pf_begin_rules(&t[4], PF_RULESET_RDR, &nn))
02742ec6
JS
3006 != 0) {
3007 DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: RDR\n"));
3008 break; /* XXX: rollback? */
3009 }
3010
3011 /* XXX: these should always succeed here */
70224baa
JL
3012 pf_commit_rules(t[0], PF_RULESET_SCRUB, &nn);
3013 pf_commit_rules(t[1], PF_RULESET_FILTER, &nn);
3014 pf_commit_rules(t[2], PF_RULESET_NAT, &nn);
3015 pf_commit_rules(t[3], PF_RULESET_BINAT, &nn);
3016 pf_commit_rules(t[4], PF_RULESET_RDR, &nn);
02742ec6
JS
3017
3018 if ((error = pf_clear_tables()) != 0)
3019 break;
02742ec6
JS
3020#ifdef ALTQ
3021 if ((error = pf_begin_altq(&t[0])) != 0) {
3022 DPFPRINTF(PF_DEBUG_MISC, ("shutdown_pf: ALTQ\n"));
3023 break;
3024 }
3025 pf_commit_altq(t[0]);
3026#endif
02742ec6 3027 pf_clear_states();
02742ec6
JS
3028 pf_clear_srcnodes();
3029
3030 /* status does not use malloced mem so no need to cleanup */
3031 /* fingerprints and interfaces have their own cleanup code */
3032 } while(0);
02742ec6
JS
3033 return (error);
3034}
3035
3036static int
3037pf_check_in(void *arg, struct mbuf **m, struct ifnet *ifp, int dir)
3038{
3039 /*
3040 * DragonFly's version of pf uses FreeBSD's native host byte ordering
3041 * for ip_len/ip_off. This is why we don't have to change byte order
3042 * like the FreeBSD-5 version does.
3043 */
3044 int chk;
3045
2a7a2b1c
JL
3046 lwkt_gettoken(&pf_token);
3047
70224baa 3048 chk = pf_test(PF_IN, ifp, m, NULL, NULL);
02742ec6
JS
3049 if (chk && *m) {
3050 m_freem(*m);
3051 *m = NULL;
3052 }
2a7a2b1c 3053 lwkt_reltoken(&pf_token);
02742ec6
JS
3054 return chk;
3055}
3056
3057static int
3058pf_check_out(void *arg, struct mbuf **m, struct ifnet *ifp, int dir)
3059{
3060 /*
3061 * DragonFly's version of pf uses FreeBSD's native host byte ordering
3062 * for ip_len/ip_off. This is why we don't have to change byte order
3063 * like the FreeBSD-5 version does.
3064 */
3065 int chk;
3066
2a7a2b1c
JL
3067 lwkt_gettoken(&pf_token);
3068
02742ec6
JS
3069 /* We need a proper CSUM befor we start (s. OpenBSD ip_output) */
3070 if ((*m)->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {
3071 in_delayed_cksum(*m);
3072 (*m)->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;
3073 }
70224baa 3074 chk = pf_test(PF_OUT, ifp, m, NULL, NULL);
02742ec6
JS
3075 if (chk && *m) {
3076 m_freem(*m);
3077 *m = NULL;
3078 }
2a7a2b1c 3079 lwkt_reltoken(&pf_token);
02742ec6
JS
3080 return chk;
3081}
3082
3083#ifdef INET6
3084static int
3085pf_check6_in(void *arg, struct mbuf **m, struct ifnet *ifp, int dir)
3086{
3087 /*
3088 * IPv6 is not affected by ip_len/ip_off byte order changes.
3089 */
3090 int chk;
3091
2a7a2b1c
JL
3092 lwkt_gettoken(&pf_token);
3093
70224baa 3094 chk = pf_test6(PF_IN, ifp, m, NULL, NULL);
02742ec6
JS
3095 if (chk && *m) {
3096 m_freem(*m);
3097 *m = NULL;
3098 }
2a7a2b1c 3099 lwkt_reltoken(&pf_token);
02742ec6
JS
3100 return chk;
3101}
3102
3103static int
3104pf_check6_out(void *arg, struct mbuf **m, struct ifnet *ifp, int dir)
3105{
3106 /*
3107 * IPv6 is not affected by ip_len/ip_off byte order changes.
3108 */
3109 int chk;
3110
2a7a2b1c
JL
3111 lwkt_gettoken(&pf_token);
3112
02742ec6
JS
3113 /* We need a proper CSUM befor we start (s. OpenBSD ip_output) */
3114 if ((*m)->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {
3115 in_delayed_cksum(*m);
3116 (*m)->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;
3117 }
70224baa 3118 chk = pf_test6(PF_OUT, ifp, m, NULL, NULL);
02742ec6
JS
3119 if (chk && *m) {
3120 m_freem(*m);
3121 *m = NULL;
3122 }
2a7a2b1c 3123 lwkt_reltoken(&pf_token);
02742ec6
JS
3124 return chk;
3125}
3126#endif /* INET6 */
3127
3128static int
3129hook_pf(void)
3130{
3131 struct pfil_head *pfh_inet;
3132#ifdef INET6
3133 struct pfil_head *pfh_inet6;
3134#endif
2a7a2b1c
JL
3135
3136 lwkt_gettoken(&pf_token);
3137
3138 if (pf_pfil_hooked) {
3139 lwkt_reltoken(&pf_token);
3140 return (0);
3141 }
02742ec6
JS
3142
3143 pfh_inet = pfil_head_get(PFIL_TYPE_AF, AF_INET);
2a7a2b1c
JL
3144 if (pfh_inet == NULL) {
3145 lwkt_reltoken(&pf_token);
e4fc90e8 3146 return (ENODEV);
2a7a2b1c 3147 }
aa1da187
MD
3148 pfil_add_hook(pf_check_in, NULL, PFIL_IN | PFIL_MPSAFE, pfh_inet);
3149 pfil_add_hook(pf_check_out, NULL, PFIL_OUT | PFIL_MPSAFE, pfh_inet);
02742ec6
JS
3150#ifdef INET6
3151 pfh_inet6 = pfil_head_get(PFIL_TYPE_AF, AF_INET6);
3152 if (pfh_inet6 == NULL) {
01dfc40d
SZ
3153 pfil_remove_hook(pf_check_in, NULL, PFIL_IN, pfh_inet);
3154 pfil_remove_hook(pf_check_out, NULL, PFIL_OUT, pfh_inet);
2a7a2b1c 3155 lwkt_reltoken(&pf_token);
02742ec6
JS
3156 return (ENODEV);
3157 }
aa1da187
MD
3158 pfil_add_hook(pf_check6_in, NULL, PFIL_IN | PFIL_MPSAFE, pfh_inet6);
3159 pfil_add_hook(pf_check6_out, NULL, PFIL_OUT | PFIL_MPSAFE, pfh_inet6);
02742ec6
JS
3160#endif
3161
3162 pf_pfil_hooked = 1;
2a7a2b1c 3163 lwkt_reltoken(&pf_token);
02742ec6
JS
3164 return (0);
3165}
3166
3167static int
3168dehook_pf(void)
3169{
3170 struct pfil_head *pfh_inet;
3171#ifdef INET6
3172 struct pfil_head *pfh_inet6;
3173#endif
3174
2a7a2b1c
JL
3175 lwkt_gettoken(&pf_token);
3176
3177 if (pf_pfil_hooked == 0) {
3178 lwkt_reltoken(&pf_token);
02742ec6 3179 return (0);
2a7a2b1c 3180 }
02742ec6
JS
3181
3182 pfh_inet = pfil_head_get(PFIL_TYPE_AF, AF_INET);
2a7a2b1c
JL
3183 if (pfh_inet == NULL) {
3184 lwkt_reltoken(&pf_token);
02742ec6 3185 return (ENODEV);
2a7a2b1c 3186 }
01dfc40d
SZ
3187 pfil_remove_hook(pf_check_in, NULL, PFIL_IN, pfh_inet);
3188 pfil_remove_hook(pf_check_out, NULL, PFIL_OUT, pfh_inet);
02742ec6
JS
3189#ifdef INET6
3190 pfh_inet6 = pfil_head_get(PFIL_TYPE_AF, AF_INET6);
2a7a2b1c
JL
3191 if (pfh_inet6 == NULL) {
3192 lwkt_reltoken(&pf_token);
02742ec6 3193 return (ENODEV);
2a7a2b1c 3194 }
01dfc40d
SZ
3195 pfil_remove_hook(pf_check6_in, NULL, PFIL_IN, pfh_inet6);
3196 pfil_remove_hook(pf_check6_out, NULL, PFIL_OUT, pfh_inet6);
02742ec6
JS
3197#endif
3198
3199 pf_pfil_hooked = 0;
2a7a2b1c 3200 lwkt_reltoken(&pf_token);
02742ec6
JS
3201 return (0);
3202}
3203
3204static int
3205pf_load(void)
3206{
2a7a2b1c
JL
3207 lwkt_gettoken(&pf_token);
3208
4e28d64f 3209 lockinit(&pf_mod_lck, "pf task lck", 0, LK_CANRECURSE);
fef8985e 3210 pf_dev = make_dev(&pf_ops, 0, 0, 0, 0600, PF_NAME);
1186cbc0 3211 pfattach();
70224baa 3212 lockinit(&pf_consistency_lock, "pfconslck", 0, LK_CANRECURSE);
2a7a2b1c 3213 lwkt_reltoken(&pf_token);
02742ec6
JS
3214 return (0);
3215}
3216
3217static int
b4628cf9
SZ
3218pf_mask_del(struct radix_node *rn, void *arg)
3219{
1327edb7 3220 struct radix_node_head *rnh = arg;
b4628cf9
SZ
3221
3222 rnh->rnh_deladdr(rn->rn_key, rn->rn_mask, rnh);
3223 Free(rn);
3224 return 0;
3225}
3226
3227static int
02742ec6
JS
3228pf_unload(void)
3229{
3230 int error;
02742ec6 3231 pf_status.running = 0;
2a7a2b1c
JL
3232
3233 lwkt_gettoken(&pf_token);
3234
02742ec6
JS
3235 error = dehook_pf();
3236 if (error) {
3237 /*
3238 * Should not happen!
3239 * XXX Due to error code ESRCH, kldunload will show
3240 * a message like 'No such process'.
3241 */
3f625015 3242 kprintf("pfil unregistration fail\n");
2a7a2b1c 3243 lwkt_reltoken(&pf_token);
02742ec6
JS
3244 return error;
3245 }
3246 shutdown_pf();
70224baa
JL
3247 pf_end_threads = 1;
3248 while (pf_end_threads < 2) {
3249 wakeup_one(pf_purge_thread);
4e28d64f 3250 lksleep(pf_purge_thread, &pf_mod_lck, 0, "pftmo", hz);
70224baa
JL
3251
3252 }
02742ec6
JS
3253 pfi_cleanup();
3254 pf_osfp_flush();
cd29885a 3255 dev_ops_remove_all(&pf_ops);
70224baa 3256 lockuninit(&pf_consistency_lock);
4e28d64f 3257 lockuninit(&pf_mod_lck);
2a7a2b1c 3258 lwkt_reltoken(&pf_token);
b4628cf9
SZ
3259
3260 if (pf_maskhead != NULL) {
3261 pf_maskhead->rnh_walktree(pf_maskhead,
3262 pf_mask_del, pf_maskhead);
3263 Free(pf_maskhead);
14dd43dc 3264 pf_maskhead = NULL;
b4628cf9 3265 }
1186cbc0
JL
3266 kmalloc_destroy(&pf_state_pl);
3267 kmalloc_destroy(&pf_frent_pl);
3268 kmalloc_destroy(&pf_cent_pl);
02742ec6
JS
3269 return 0;
3270}
3271
3272static int
3273pf_modevent(module_t mod, int type, void *data)
3274{
3275 int error = 0;
3276
2a7a2b1c
JL
3277 lwkt_gettoken(&pf_token);
3278
02742ec6
JS
3279 switch(type) {
3280 case MOD_LOAD:
3281 error = pf_load();
3282 break;
3283
3284 case MOD_UNLOAD:
3285 error = pf_unload();
3286 break;
3287 default:
3288 error = EINVAL;
3289 break;
3290 }
2a7a2b1c 3291 lwkt_reltoken(&pf_token);
02742ec6
JS
3292 return error;
3293}
3294
3295static moduledata_t pf_mod = {
3296 "pf",
3297 pf_modevent,
3298 0
3299};
02742ec6
JS
3300DECLARE_MODULE(pf, pf_mod, SI_SUB_PSEUDO, SI_ORDER_FIRST);
3301MODULE_VERSION(pf, PF_MODVER);