1 /* $OpenBSD: pfctl.c,v 1.278 2008/08/31 20:18:17 jmc Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-2-Clause
5 *
6 * Copyright (c) 2001 Daniel Hartmeier
7 * Copyright (c) 2002,2003 Henning Brauer
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * - Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * - Redistributions in binary form must reproduce the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer in the documentation and/or other materials provided
19 * with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 *
34 */
35
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
38
39 #define PFIOC_USE_LATEST
40
41 #include <sys/types.h>
42 #include <sys/ioctl.h>
43 #include <sys/socket.h>
44 #include <sys/stat.h>
45 #include <sys/endian.h>
46
47 #include <net/if.h>
48 #include <netinet/in.h>
49 #include <net/pfvar.h>
50 #include <arpa/inet.h>
51 #include <net/altq/altq.h>
52 #include <sys/sysctl.h>
53
54 #include <err.h>
55 #include <errno.h>
56 #include <fcntl.h>
57 #include <limits.h>
58 #include <netdb.h>
59 #include <stdint.h>
60 #include <stdio.h>
61 #include <stdlib.h>
62 #include <string.h>
63 #include <unistd.h>
64
65 #include "pfctl_parser.h"
66 #include "pfctl.h"
67
68 void usage(void);
69 int pfctl_enable(int, int);
70 int pfctl_disable(int, int);
71 int pfctl_clear_stats(int, int);
72 int pfctl_get_skip_ifaces(void);
73 int pfctl_check_skip_ifaces(char *);
74 int pfctl_adjust_skip_ifaces(struct pfctl *);
75 int pfctl_clear_interface_flags(int, int);
76 int pfctl_clear_rules(int, int, char *);
77 int pfctl_clear_nat(int, int, char *);
78 int pfctl_clear_altq(int, int);
79 int pfctl_clear_src_nodes(int, int);
80 int pfctl_clear_states(int, const char *, int);
81 void pfctl_addrprefix(char *, struct pf_addr *);
82 int pfctl_kill_src_nodes(int, const char *, int);
83 int pfctl_net_kill_states(int, const char *, int);
84 int pfctl_label_kill_states(int, const char *, int);
85 int pfctl_id_kill_states(int, const char *, int);
86 void pfctl_init_options(struct pfctl *);
87 int pfctl_load_options(struct pfctl *);
88 int pfctl_load_limit(struct pfctl *, unsigned int, unsigned int);
89 int pfctl_load_timeout(struct pfctl *, unsigned int, unsigned int);
90 int pfctl_load_debug(struct pfctl *, unsigned int);
91 int pfctl_load_logif(struct pfctl *, char *);
92 int pfctl_load_hostid(struct pfctl *, u_int32_t);
93 int pfctl_get_pool(int, struct pf_pool *, u_int32_t, u_int32_t, int,
94 char *);
95 void pfctl_print_rule_counters(struct pf_rule *, int);
96 int pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int);
97 int pfctl_show_nat(int, int, char *);
98 int pfctl_show_src_nodes(int, int);
99 int pfctl_show_states(int, const char *, int);
100 int pfctl_show_status(int, int);
101 int pfctl_show_running(int);
102 int pfctl_show_timeouts(int, int);
103 int pfctl_show_limits(int, int);
104 void pfctl_debug(int, u_int32_t, int);
105 int pfctl_test_altqsupport(int, int);
106 int pfctl_show_anchors(int, int, char *);
107 int pfctl_ruleset_trans(struct pfctl *, char *, struct pf_anchor *);
108 int pfctl_load_ruleset(struct pfctl *, char *,
109 struct pf_ruleset *, int, int);
110 int pfctl_load_rule(struct pfctl *, char *, struct pf_rule *, int);
111 const char *pfctl_lookup_option(char *, const char * const *);
112
113 static struct pf_anchor_global pf_anchors;
114 static struct pf_anchor pf_main_anchor;
115 static struct pfr_buffer skip_b;
116
117 static const char *clearopt;
118 static char *rulesopt;
119 static const char *showopt;
120 static const char *debugopt;
121 static char *anchoropt;
122 static const char *optiopt = NULL;
123 static const char *pf_device = "/dev/pf";
124 static char *ifaceopt;
125 static char *tableopt;
126 static const char *tblcmdopt;
127 static int src_node_killers;
128 static char *src_node_kill[2];
129 static int state_killers;
130 static char *state_kill[2];
131 int loadopt;
132 int altqsupport;
133
134 int dev = -1;
135 static int first_title = 1;
136 static int labels = 0;
137
138 #define INDENT(d, o) do { \
139 if (o) { \
140 int i; \
141 for (i=0; i < d; i++) \
142 printf(" "); \
143 } \
144 } while (0); \
145
146
147 static const struct {
148 const char *name;
149 int index;
150 } pf_limits[] = {
151 { "states", PF_LIMIT_STATES },
152 { "src-nodes", PF_LIMIT_SRC_NODES },
153 { "frags", PF_LIMIT_FRAGS },
154 { "table-entries", PF_LIMIT_TABLE_ENTRIES },
155 { NULL, 0 }
156 };
157
158 struct pf_hint {
159 const char *name;
160 int timeout;
161 };
162 static const struct pf_hint pf_hint_normal[] = {
163 { "tcp.first", 2 * 60 },
164 { "tcp.opening", 30 },
165 { "tcp.established", 24 * 60 * 60 },
166 { "tcp.closing", 15 * 60 },
167 { "tcp.finwait", 45 },
168 { "tcp.closed", 90 },
169 { "tcp.tsdiff", 30 },
170 { NULL, 0 }
171 };
172 static const struct pf_hint pf_hint_satellite[] = {
173 { "tcp.first", 3 * 60 },
174 { "tcp.opening", 30 + 5 },
175 { "tcp.established", 24 * 60 * 60 },
176 { "tcp.closing", 15 * 60 + 5 },
177 { "tcp.finwait", 45 + 5 },
178 { "tcp.closed", 90 + 5 },
179 { "tcp.tsdiff", 60 },
180 { NULL, 0 }
181 };
182 static const struct pf_hint pf_hint_conservative[] = {
183 { "tcp.first", 60 * 60 },
184 { "tcp.opening", 15 * 60 },
185 { "tcp.established", 5 * 24 * 60 * 60 },
186 { "tcp.closing", 60 * 60 },
187 { "tcp.finwait", 10 * 60 },
188 { "tcp.closed", 3 * 60 },
189 { "tcp.tsdiff", 60 },
190 { NULL, 0 }
191 };
192 static const struct pf_hint pf_hint_aggressive[] = {
193 { "tcp.first", 30 },
194 { "tcp.opening", 5 },
195 { "tcp.established", 5 * 60 * 60 },
196 { "tcp.closing", 60 },
197 { "tcp.finwait", 30 },
198 { "tcp.closed", 30 },
199 { "tcp.tsdiff", 10 },
200 { NULL, 0 }
201 };
202
203 static const struct {
204 const char *name;
205 const struct pf_hint *hint;
206 } pf_hints[] = {
207 { "normal", pf_hint_normal },
208 { "satellite", pf_hint_satellite },
209 { "high-latency", pf_hint_satellite },
210 { "conservative", pf_hint_conservative },
211 { "aggressive", pf_hint_aggressive },
212 { NULL, NULL }
213 };
214
215 static const char * const clearopt_list[] = {
216 "nat", "queue", "rules", "Sources",
217 "states", "info", "Tables", "osfp", "all", NULL
218 };
219
220 static const char * const showopt_list[] = {
221 "nat", "queue", "rules", "Anchors", "Sources", "states", "info",
222 "Interfaces", "labels", "timeouts", "memory", "Tables", "osfp",
223 "Running", "all", NULL
224 };
225
226 static const char * const tblcmdopt_list[] = {
227 "kill", "flush", "add", "delete", "load", "replace", "show",
228 "test", "zero", "expire", NULL
229 };
230
231 static const char * const debugopt_list[] = {
232 "none", "urgent", "misc", "loud", NULL
233 };
234
235 static const char * const optiopt_list[] = {
236 "none", "basic", "profile", NULL
237 };
238
239 void
usage(void)240 usage(void)
241 {
242 extern char *__progname;
243
244 fprintf(stderr,
245 "usage: %s [-AdeghmNnOPqRrvz] [-a anchor] [-D macro=value] [-F modifier]\n"
246 "\t[-f file] [-i interface] [-K host | network]\n"
247 "\t[-k host | network | label | id] [-o level] [-p device]\n"
248 "\t[-s modifier] [-t table -T command [address ...]] [-x level]\n",
249 __progname);
250
251 exit(1);
252 }
253
254 int
pfctl_enable(int dev,int opts)255 pfctl_enable(int dev, int opts)
256 {
257 if (ioctl(dev, DIOCSTART)) {
258 if (errno == EEXIST)
259 errx(1, "pf already enabled");
260 else if (errno == ESRCH)
261 errx(1, "pfil registeration failed");
262 else
263 err(1, "DIOCSTART");
264 }
265 if ((opts & PF_OPT_QUIET) == 0)
266 fprintf(stderr, "pf enabled\n");
267
268 if (altqsupport && ioctl(dev, DIOCSTARTALTQ))
269 if (errno != EEXIST)
270 err(1, "DIOCSTARTALTQ");
271
272 return (0);
273 }
274
275 int
pfctl_disable(int dev,int opts)276 pfctl_disable(int dev, int opts)
277 {
278 if (ioctl(dev, DIOCSTOP)) {
279 if (errno == ENOENT)
280 errx(1, "pf not enabled");
281 else
282 err(1, "DIOCSTOP");
283 }
284 if ((opts & PF_OPT_QUIET) == 0)
285 fprintf(stderr, "pf disabled\n");
286
287 if (altqsupport && ioctl(dev, DIOCSTOPALTQ))
288 if (errno != ENOENT)
289 err(1, "DIOCSTOPALTQ");
290
291 return (0);
292 }
293
294 int
pfctl_clear_stats(int dev,int opts)295 pfctl_clear_stats(int dev, int opts)
296 {
297 if (ioctl(dev, DIOCCLRSTATUS))
298 err(1, "DIOCCLRSTATUS");
299 if ((opts & PF_OPT_QUIET) == 0)
300 fprintf(stderr, "pf: statistics cleared\n");
301 return (0);
302 }
303
304 int
pfctl_get_skip_ifaces(void)305 pfctl_get_skip_ifaces(void)
306 {
307 bzero(&skip_b, sizeof(skip_b));
308 skip_b.pfrb_type = PFRB_IFACES;
309 for (;;) {
310 pfr_buf_grow(&skip_b, skip_b.pfrb_size);
311 skip_b.pfrb_size = skip_b.pfrb_msize;
312 if (pfi_get_ifaces(NULL, skip_b.pfrb_caddr, &skip_b.pfrb_size))
313 err(1, "pfi_get_ifaces");
314 if (skip_b.pfrb_size <= skip_b.pfrb_msize)
315 break;
316 }
317 return (0);
318 }
319
320 int
pfctl_check_skip_ifaces(char * ifname)321 pfctl_check_skip_ifaces(char *ifname)
322 {
323 struct pfi_kif *p;
324 struct node_host *h = NULL, *n = NULL;
325
326 PFRB_FOREACH(p, &skip_b) {
327 if (!strcmp(ifname, p->pfik_name) &&
328 (p->pfik_flags & PFI_IFLAG_SKIP))
329 p->pfik_flags &= ~PFI_IFLAG_SKIP;
330 if (!strcmp(ifname, p->pfik_name) && p->pfik_group != NULL) {
331 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL)
332 continue;
333
334 for (n = h; n != NULL; n = n->next) {
335 if (p->pfik_ifp == NULL)
336 continue;
337 if (strncmp(p->pfik_name, ifname, IFNAMSIZ))
338 continue;
339
340 p->pfik_flags &= ~PFI_IFLAG_SKIP;
341 }
342 }
343 }
344 return (0);
345 }
346
347 int
pfctl_adjust_skip_ifaces(struct pfctl * pf)348 pfctl_adjust_skip_ifaces(struct pfctl *pf)
349 {
350 struct pfi_kif *p, *pp;
351 struct node_host *h = NULL, *n = NULL;
352
353 PFRB_FOREACH(p, &skip_b) {
354 if (p->pfik_group == NULL || !(p->pfik_flags & PFI_IFLAG_SKIP))
355 continue;
356
357 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0);
358 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL)
359 continue;
360
361 for (n = h; n != NULL; n = n->next)
362 PFRB_FOREACH(pp, &skip_b) {
363 if (pp->pfik_ifp == NULL)
364 continue;
365
366 if (strncmp(pp->pfik_name, n->ifname, IFNAMSIZ))
367 continue;
368
369 if (!(pp->pfik_flags & PFI_IFLAG_SKIP))
370 pfctl_set_interface_flags(pf,
371 pp->pfik_name, PFI_IFLAG_SKIP, 1);
372 if (pp->pfik_flags & PFI_IFLAG_SKIP)
373 pp->pfik_flags &= ~PFI_IFLAG_SKIP;
374 }
375 }
376
377 PFRB_FOREACH(p, &skip_b) {
378 if (p->pfik_ifp == NULL || ! (p->pfik_flags & PFI_IFLAG_SKIP))
379 continue;
380
381 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0);
382 }
383
384 return (0);
385 }
386
387 int
pfctl_clear_interface_flags(int dev,int opts)388 pfctl_clear_interface_flags(int dev, int opts)
389 {
390 struct pfioc_iface pi;
391
392 if ((opts & PF_OPT_NOACTION) == 0) {
393 bzero(&pi, sizeof(pi));
394 pi.pfiio_flags = PFI_IFLAG_SKIP;
395
396 if (ioctl(dev, DIOCCLRIFFLAG, &pi))
397 err(1, "DIOCCLRIFFLAG");
398 if ((opts & PF_OPT_QUIET) == 0)
399 fprintf(stderr, "pf: interface flags reset\n");
400 }
401 return (0);
402 }
403
404 int
pfctl_clear_rules(int dev,int opts,char * anchorname)405 pfctl_clear_rules(int dev, int opts, char *anchorname)
406 {
407 struct pfr_buffer t;
408
409 memset(&t, 0, sizeof(t));
410 t.pfrb_type = PFRB_TRANS;
411 if (pfctl_add_trans(&t, PF_RULESET_SCRUB, anchorname) ||
412 pfctl_add_trans(&t, PF_RULESET_FILTER, anchorname) ||
413 pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
414 pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
415 err(1, "pfctl_clear_rules");
416 if ((opts & PF_OPT_QUIET) == 0)
417 fprintf(stderr, "rules cleared\n");
418 return (0);
419 }
420
421 int
pfctl_clear_nat(int dev,int opts,char * anchorname)422 pfctl_clear_nat(int dev, int opts, char *anchorname)
423 {
424 struct pfr_buffer t;
425
426 memset(&t, 0, sizeof(t));
427 t.pfrb_type = PFRB_TRANS;
428 if (pfctl_add_trans(&t, PF_RULESET_NAT, anchorname) ||
429 pfctl_add_trans(&t, PF_RULESET_BINAT, anchorname) ||
430 pfctl_add_trans(&t, PF_RULESET_RDR, anchorname) ||
431 pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
432 pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
433 err(1, "pfctl_clear_nat");
434 if ((opts & PF_OPT_QUIET) == 0)
435 fprintf(stderr, "nat cleared\n");
436 return (0);
437 }
438
439 int
pfctl_clear_altq(int dev,int opts)440 pfctl_clear_altq(int dev, int opts)
441 {
442 struct pfr_buffer t;
443
444 if (!altqsupport)
445 return (-1);
446 memset(&t, 0, sizeof(t));
447 t.pfrb_type = PFRB_TRANS;
448 if (pfctl_add_trans(&t, PF_RULESET_ALTQ, "") ||
449 pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
450 pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
451 err(1, "pfctl_clear_altq");
452 if ((opts & PF_OPT_QUIET) == 0)
453 fprintf(stderr, "altq cleared\n");
454 return (0);
455 }
456
457 int
pfctl_clear_src_nodes(int dev,int opts)458 pfctl_clear_src_nodes(int dev, int opts)
459 {
460 if (ioctl(dev, DIOCCLRSRCNODES))
461 err(1, "DIOCCLRSRCNODES");
462 if ((opts & PF_OPT_QUIET) == 0)
463 fprintf(stderr, "source tracking entries cleared\n");
464 return (0);
465 }
466
467 int
pfctl_clear_states(int dev,const char * iface,int opts)468 pfctl_clear_states(int dev, const char *iface, int opts)
469 {
470 struct pfioc_state_kill psk;
471
472 memset(&psk, 0, sizeof(psk));
473 if (iface != NULL && strlcpy(psk.psk_ifname, iface,
474 sizeof(psk.psk_ifname)) >= sizeof(psk.psk_ifname))
475 errx(1, "invalid interface: %s", iface);
476
477 if (ioctl(dev, DIOCCLRSTATES, &psk))
478 err(1, "DIOCCLRSTATES");
479 if ((opts & PF_OPT_QUIET) == 0)
480 fprintf(stderr, "%d states cleared\n", psk.psk_killed);
481 return (0);
482 }
483
484 void
pfctl_addrprefix(char * addr,struct pf_addr * mask)485 pfctl_addrprefix(char *addr, struct pf_addr *mask)
486 {
487 char *p;
488 const char *errstr;
489 int prefix, ret_ga, q, r;
490 struct addrinfo hints, *res;
491
492 if ((p = strchr(addr, '/')) == NULL)
493 return;
494
495 *p++ = '\0';
496 prefix = strtonum(p, 0, 128, &errstr);
497 if (errstr)
498 errx(1, "prefix is %s: %s", errstr, p);
499
500 bzero(&hints, sizeof(hints));
501 /* prefix only with numeric addresses */
502 hints.ai_flags |= AI_NUMERICHOST;
503
504 if ((ret_ga = getaddrinfo(addr, NULL, &hints, &res))) {
505 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
506 /* NOTREACHED */
507 }
508
509 if (res->ai_family == AF_INET && prefix > 32)
510 errx(1, "prefix too long for AF_INET");
511 else if (res->ai_family == AF_INET6 && prefix > 128)
512 errx(1, "prefix too long for AF_INET6");
513
514 q = prefix >> 3;
515 r = prefix & 7;
516 switch (res->ai_family) {
517 case AF_INET:
518 bzero(&mask->v4, sizeof(mask->v4));
519 mask->v4.s_addr = htonl((u_int32_t)
520 (0xffffffffffULL << (32 - prefix)));
521 break;
522 case AF_INET6:
523 bzero(&mask->v6, sizeof(mask->v6));
524 if (q > 0)
525 memset((void *)&mask->v6, 0xff, q);
526 if (r > 0)
527 *((u_char *)&mask->v6 + q) =
528 (0xff00 >> r) & 0xff;
529 break;
530 }
531 freeaddrinfo(res);
532 }
533
534 int
pfctl_kill_src_nodes(int dev,const char * iface,int opts)535 pfctl_kill_src_nodes(int dev, const char *iface, int opts)
536 {
537 struct pfioc_src_node_kill psnk;
538 struct addrinfo *res[2], *resp[2];
539 struct sockaddr last_src, last_dst;
540 int killed, sources, dests;
541 int ret_ga;
542
543 killed = sources = dests = 0;
544
545 memset(&psnk, 0, sizeof(psnk));
546 memset(&psnk.psnk_src.addr.v.a.mask, 0xff,
547 sizeof(psnk.psnk_src.addr.v.a.mask));
548 memset(&last_src, 0xff, sizeof(last_src));
549 memset(&last_dst, 0xff, sizeof(last_dst));
550
551 pfctl_addrprefix(src_node_kill[0], &psnk.psnk_src.addr.v.a.mask);
552
553 if ((ret_ga = getaddrinfo(src_node_kill[0], NULL, NULL, &res[0]))) {
554 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
555 /* NOTREACHED */
556 }
557 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) {
558 if (resp[0]->ai_addr == NULL)
559 continue;
560 /* We get lots of duplicates. Catch the easy ones */
561 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0)
562 continue;
563 last_src = *(struct sockaddr *)resp[0]->ai_addr;
564
565 psnk.psnk_af = resp[0]->ai_family;
566 sources++;
567
568 if (psnk.psnk_af == AF_INET)
569 psnk.psnk_src.addr.v.a.addr.v4 =
570 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr;
571 else if (psnk.psnk_af == AF_INET6)
572 psnk.psnk_src.addr.v.a.addr.v6 =
573 ((struct sockaddr_in6 *)resp[0]->ai_addr)->
574 sin6_addr;
575 else
576 errx(1, "Unknown address family %d", psnk.psnk_af);
577
578 if (src_node_killers > 1) {
579 dests = 0;
580 memset(&psnk.psnk_dst.addr.v.a.mask, 0xff,
581 sizeof(psnk.psnk_dst.addr.v.a.mask));
582 memset(&last_dst, 0xff, sizeof(last_dst));
583 pfctl_addrprefix(src_node_kill[1],
584 &psnk.psnk_dst.addr.v.a.mask);
585 if ((ret_ga = getaddrinfo(src_node_kill[1], NULL, NULL,
586 &res[1]))) {
587 errx(1, "getaddrinfo: %s",
588 gai_strerror(ret_ga));
589 /* NOTREACHED */
590 }
591 for (resp[1] = res[1]; resp[1];
592 resp[1] = resp[1]->ai_next) {
593 if (resp[1]->ai_addr == NULL)
594 continue;
595 if (psnk.psnk_af != resp[1]->ai_family)
596 continue;
597
598 if (memcmp(&last_dst, resp[1]->ai_addr,
599 sizeof(last_dst)) == 0)
600 continue;
601 last_dst = *(struct sockaddr *)resp[1]->ai_addr;
602
603 dests++;
604
605 if (psnk.psnk_af == AF_INET)
606 psnk.psnk_dst.addr.v.a.addr.v4 =
607 ((struct sockaddr_in *)resp[1]->
608 ai_addr)->sin_addr;
609 else if (psnk.psnk_af == AF_INET6)
610 psnk.psnk_dst.addr.v.a.addr.v6 =
611 ((struct sockaddr_in6 *)resp[1]->
612 ai_addr)->sin6_addr;
613 else
614 errx(1, "Unknown address family %d",
615 psnk.psnk_af);
616
617 if (ioctl(dev, DIOCKILLSRCNODES, &psnk))
618 err(1, "DIOCKILLSRCNODES");
619 killed += psnk.psnk_killed;
620 }
621 freeaddrinfo(res[1]);
622 } else {
623 if (ioctl(dev, DIOCKILLSRCNODES, &psnk))
624 err(1, "DIOCKILLSRCNODES");
625 killed += psnk.psnk_killed;
626 }
627 }
628
629 freeaddrinfo(res[0]);
630
631 if ((opts & PF_OPT_QUIET) == 0)
632 fprintf(stderr, "killed %d src nodes from %d sources and %d "
633 "destinations\n", killed, sources, dests);
634 return (0);
635 }
636
637 int
pfctl_net_kill_states(int dev,const char * iface,int opts)638 pfctl_net_kill_states(int dev, const char *iface, int opts)
639 {
640 struct pfioc_state_kill psk;
641 struct addrinfo *res[2], *resp[2];
642 struct sockaddr last_src, last_dst;
643 int killed, sources, dests;
644 int ret_ga;
645
646 killed = sources = dests = 0;
647
648 memset(&psk, 0, sizeof(psk));
649 memset(&psk.psk_src.addr.v.a.mask, 0xff,
650 sizeof(psk.psk_src.addr.v.a.mask));
651 memset(&last_src, 0xff, sizeof(last_src));
652 memset(&last_dst, 0xff, sizeof(last_dst));
653 if (iface != NULL && strlcpy(psk.psk_ifname, iface,
654 sizeof(psk.psk_ifname)) >= sizeof(psk.psk_ifname))
655 errx(1, "invalid interface: %s", iface);
656
657 pfctl_addrprefix(state_kill[0], &psk.psk_src.addr.v.a.mask);
658
659 if ((ret_ga = getaddrinfo(state_kill[0], NULL, NULL, &res[0]))) {
660 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
661 /* NOTREACHED */
662 }
663 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) {
664 if (resp[0]->ai_addr == NULL)
665 continue;
666 /* We get lots of duplicates. Catch the easy ones */
667 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0)
668 continue;
669 last_src = *(struct sockaddr *)resp[0]->ai_addr;
670
671 psk.psk_af = resp[0]->ai_family;
672 sources++;
673
674 if (psk.psk_af == AF_INET)
675 psk.psk_src.addr.v.a.addr.v4 =
676 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr;
677 else if (psk.psk_af == AF_INET6)
678 psk.psk_src.addr.v.a.addr.v6 =
679 ((struct sockaddr_in6 *)resp[0]->ai_addr)->
680 sin6_addr;
681 else
682 errx(1, "Unknown address family %d", psk.psk_af);
683
684 if (state_killers > 1) {
685 dests = 0;
686 memset(&psk.psk_dst.addr.v.a.mask, 0xff,
687 sizeof(psk.psk_dst.addr.v.a.mask));
688 memset(&last_dst, 0xff, sizeof(last_dst));
689 pfctl_addrprefix(state_kill[1],
690 &psk.psk_dst.addr.v.a.mask);
691 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL,
692 &res[1]))) {
693 errx(1, "getaddrinfo: %s",
694 gai_strerror(ret_ga));
695 /* NOTREACHED */
696 }
697 for (resp[1] = res[1]; resp[1];
698 resp[1] = resp[1]->ai_next) {
699 if (resp[1]->ai_addr == NULL)
700 continue;
701 if (psk.psk_af != resp[1]->ai_family)
702 continue;
703
704 if (memcmp(&last_dst, resp[1]->ai_addr,
705 sizeof(last_dst)) == 0)
706 continue;
707 last_dst = *(struct sockaddr *)resp[1]->ai_addr;
708
709 dests++;
710
711 if (psk.psk_af == AF_INET)
712 psk.psk_dst.addr.v.a.addr.v4 =
713 ((struct sockaddr_in *)resp[1]->
714 ai_addr)->sin_addr;
715 else if (psk.psk_af == AF_INET6)
716 psk.psk_dst.addr.v.a.addr.v6 =
717 ((struct sockaddr_in6 *)resp[1]->
718 ai_addr)->sin6_addr;
719 else
720 errx(1, "Unknown address family %d",
721 psk.psk_af);
722
723 if (ioctl(dev, DIOCKILLSTATES, &psk))
724 err(1, "DIOCKILLSTATES");
725 killed += psk.psk_killed;
726 }
727 freeaddrinfo(res[1]);
728 } else {
729 if (ioctl(dev, DIOCKILLSTATES, &psk))
730 err(1, "DIOCKILLSTATES");
731 killed += psk.psk_killed;
732 }
733 }
734
735 freeaddrinfo(res[0]);
736
737 if ((opts & PF_OPT_QUIET) == 0)
738 fprintf(stderr, "killed %d states from %d sources and %d "
739 "destinations\n", killed, sources, dests);
740 return (0);
741 }
742
743 int
pfctl_label_kill_states(int dev,const char * iface,int opts)744 pfctl_label_kill_states(int dev, const char *iface, int opts)
745 {
746 struct pfioc_state_kill psk;
747
748 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) {
749 warnx("no label specified");
750 usage();
751 }
752 memset(&psk, 0, sizeof(psk));
753 if (iface != NULL && strlcpy(psk.psk_ifname, iface,
754 sizeof(psk.psk_ifname)) >= sizeof(psk.psk_ifname))
755 errx(1, "invalid interface: %s", iface);
756
757 if (strlcpy(psk.psk_label, state_kill[1], sizeof(psk.psk_label)) >=
758 sizeof(psk.psk_label))
759 errx(1, "label too long: %s", state_kill[1]);
760
761 if (ioctl(dev, DIOCKILLSTATES, &psk))
762 err(1, "DIOCKILLSTATES");
763
764 if ((opts & PF_OPT_QUIET) == 0)
765 fprintf(stderr, "killed %d states\n", psk.psk_killed);
766
767 return (0);
768 }
769
770 int
pfctl_id_kill_states(int dev,const char * iface,int opts)771 pfctl_id_kill_states(int dev, const char *iface, int opts)
772 {
773 struct pfioc_state_kill psk;
774
775 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) {
776 warnx("no id specified");
777 usage();
778 }
779
780 memset(&psk, 0, sizeof(psk));
781 if ((sscanf(state_kill[1], "%jx/%x",
782 &psk.psk_pfcmp.id, &psk.psk_pfcmp.creatorid)) == 2)
783 HTONL(psk.psk_pfcmp.creatorid);
784 else if ((sscanf(state_kill[1], "%jx", &psk.psk_pfcmp.id)) == 1) {
785 psk.psk_pfcmp.creatorid = 0;
786 } else {
787 warnx("wrong id format specified");
788 usage();
789 }
790 if (psk.psk_pfcmp.id == 0) {
791 warnx("cannot kill id 0");
792 usage();
793 }
794
795 psk.psk_pfcmp.id = htobe64(psk.psk_pfcmp.id);
796 if (ioctl(dev, DIOCKILLSTATES, &psk))
797 err(1, "DIOCKILLSTATES");
798
799 if ((opts & PF_OPT_QUIET) == 0)
800 fprintf(stderr, "killed %d states\n", psk.psk_killed);
801
802 return (0);
803 }
804
805 int
pfctl_get_pool(int dev,struct pf_pool * pool,u_int32_t nr,u_int32_t ticket,int r_action,char * anchorname)806 pfctl_get_pool(int dev, struct pf_pool *pool, u_int32_t nr,
807 u_int32_t ticket, int r_action, char *anchorname)
808 {
809 struct pfioc_pooladdr pp;
810 struct pf_pooladdr *pa;
811 u_int32_t pnr, mpnr;
812
813 memset(&pp, 0, sizeof(pp));
814 memcpy(pp.anchor, anchorname, sizeof(pp.anchor));
815 pp.r_action = r_action;
816 pp.r_num = nr;
817 pp.ticket = ticket;
818 if (ioctl(dev, DIOCGETADDRS, &pp)) {
819 warn("DIOCGETADDRS");
820 return (-1);
821 }
822 mpnr = pp.nr;
823 TAILQ_INIT(&pool->list);
824 for (pnr = 0; pnr < mpnr; ++pnr) {
825 pp.nr = pnr;
826 if (ioctl(dev, DIOCGETADDR, &pp)) {
827 warn("DIOCGETADDR");
828 return (-1);
829 }
830 pa = calloc(1, sizeof(struct pf_pooladdr));
831 if (pa == NULL)
832 err(1, "calloc");
833 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr));
834 TAILQ_INSERT_TAIL(&pool->list, pa, entries);
835 }
836
837 return (0);
838 }
839
840 void
pfctl_move_pool(struct pf_pool * src,struct pf_pool * dst)841 pfctl_move_pool(struct pf_pool *src, struct pf_pool *dst)
842 {
843 struct pf_pooladdr *pa;
844
845 while ((pa = TAILQ_FIRST(&src->list)) != NULL) {
846 TAILQ_REMOVE(&src->list, pa, entries);
847 TAILQ_INSERT_TAIL(&dst->list, pa, entries);
848 }
849 }
850
851 void
pfctl_clear_pool(struct pf_pool * pool)852 pfctl_clear_pool(struct pf_pool *pool)
853 {
854 struct pf_pooladdr *pa;
855
856 while ((pa = TAILQ_FIRST(&pool->list)) != NULL) {
857 TAILQ_REMOVE(&pool->list, pa, entries);
858 free(pa);
859 }
860 }
861
862 void
pfctl_print_rule_counters(struct pf_rule * rule,int opts)863 pfctl_print_rule_counters(struct pf_rule *rule, int opts)
864 {
865 if (opts & PF_OPT_DEBUG) {
866 const char *t[PF_SKIP_COUNT] = { "i", "d", "f",
867 "p", "sa", "sp", "da", "dp" };
868 int i;
869
870 printf(" [ Skip steps: ");
871 for (i = 0; i < PF_SKIP_COUNT; ++i) {
872 if (rule->skip[i].nr == rule->nr + 1)
873 continue;
874 printf("%s=", t[i]);
875 if (rule->skip[i].nr == -1)
876 printf("end ");
877 else
878 printf("%u ", rule->skip[i].nr);
879 }
880 printf("]\n");
881
882 printf(" [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n",
883 rule->qname, rule->qid, rule->pqname, rule->pqid);
884 }
885 if (opts & PF_OPT_VERBOSE) {
886 printf(" [ Evaluations: %-8llu Packets: %-8llu "
887 "Bytes: %-10llu States: %-6ju]\n",
888 (unsigned long long)rule->evaluations,
889 (unsigned long long)(rule->packets[0] +
890 rule->packets[1]),
891 (unsigned long long)(rule->bytes[0] +
892 rule->bytes[1]), (uintmax_t)rule->u_states_cur);
893 if (!(opts & PF_OPT_DEBUG))
894 printf(" [ Inserted: uid %u pid %u "
895 "State Creations: %-6ju]\n",
896 (unsigned)rule->cuid, (unsigned)rule->cpid,
897 (uintmax_t)rule->u_states_tot);
898 }
899 }
900
901 void
pfctl_print_title(char * title)902 pfctl_print_title(char *title)
903 {
904 if (!first_title)
905 printf("\n");
906 first_title = 0;
907 printf("%s\n", title);
908 }
909
910 int
pfctl_show_rules(int dev,char * path,int opts,enum pfctl_show format,char * anchorname,int depth)911 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format,
912 char *anchorname, int depth)
913 {
914 struct pfioc_rule pr;
915 u_int32_t nr, mnr, header = 0;
916 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG);
917 int numeric = opts & PF_OPT_NUMERIC;
918 int len = strlen(path);
919 int brace;
920 char *p;
921
922 if (path[0])
923 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname);
924 else
925 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname);
926
927 memset(&pr, 0, sizeof(pr));
928 memcpy(pr.anchor, path, sizeof(pr.anchor));
929 if (opts & PF_OPT_SHOWALL) {
930 pr.rule.action = PF_PASS;
931 if (ioctl(dev, DIOCGETRULES, &pr)) {
932 warn("DIOCGETRULES");
933 goto error;
934 }
935 header++;
936 }
937 pr.rule.action = PF_SCRUB;
938 if (ioctl(dev, DIOCGETRULES, &pr)) {
939 warn("DIOCGETRULES");
940 goto error;
941 }
942 if (opts & PF_OPT_SHOWALL) {
943 if (format == PFCTL_SHOW_RULES && (pr.nr > 0 || header))
944 pfctl_print_title("FILTER RULES:");
945 else if (format == PFCTL_SHOW_LABELS && labels)
946 pfctl_print_title("LABEL COUNTERS:");
947 }
948 mnr = pr.nr;
949 if (opts & PF_OPT_CLRRULECTRS)
950 pr.action = PF_GET_CLR_CNTR;
951
952 for (nr = 0; nr < mnr; ++nr) {
953 pr.nr = nr;
954 if (ioctl(dev, DIOCGETRULE, &pr)) {
955 warn("DIOCGETRULE");
956 goto error;
957 }
958
959 if (pfctl_get_pool(dev, &pr.rule.rpool,
960 nr, pr.ticket, PF_SCRUB, path) != 0)
961 goto error;
962
963 switch (format) {
964 case PFCTL_SHOW_LABELS:
965 break;
966 case PFCTL_SHOW_RULES:
967 if (pr.rule.label[0] && (opts & PF_OPT_SHOWALL))
968 labels = 1;
969 print_rule(&pr.rule, pr.anchor_call, rule_numbers, numeric);
970 printf("\n");
971 pfctl_print_rule_counters(&pr.rule, opts);
972 break;
973 case PFCTL_SHOW_NOTHING:
974 break;
975 }
976 pfctl_clear_pool(&pr.rule.rpool);
977 }
978 pr.rule.action = PF_PASS;
979 if (ioctl(dev, DIOCGETRULES, &pr)) {
980 warn("DIOCGETRULES");
981 goto error;
982 }
983 mnr = pr.nr;
984 for (nr = 0; nr < mnr; ++nr) {
985 pr.nr = nr;
986 if (ioctl(dev, DIOCGETRULE, &pr)) {
987 warn("DIOCGETRULE");
988 goto error;
989 }
990
991 if (pfctl_get_pool(dev, &pr.rule.rpool,
992 nr, pr.ticket, PF_PASS, path) != 0)
993 goto error;
994
995 switch (format) {
996 case PFCTL_SHOW_LABELS:
997 if (pr.rule.label[0]) {
998 printf("%s %llu %llu %llu %llu"
999 " %llu %llu %llu %ju\n",
1000 pr.rule.label,
1001 (unsigned long long)pr.rule.evaluations,
1002 (unsigned long long)(pr.rule.packets[0] +
1003 pr.rule.packets[1]),
1004 (unsigned long long)(pr.rule.bytes[0] +
1005 pr.rule.bytes[1]),
1006 (unsigned long long)pr.rule.packets[0],
1007 (unsigned long long)pr.rule.bytes[0],
1008 (unsigned long long)pr.rule.packets[1],
1009 (unsigned long long)pr.rule.bytes[1],
1010 (uintmax_t)pr.rule.u_states_tot);
1011 }
1012 break;
1013 case PFCTL_SHOW_RULES:
1014 brace = 0;
1015 if (pr.rule.label[0] && (opts & PF_OPT_SHOWALL))
1016 labels = 1;
1017 INDENT(depth, !(opts & PF_OPT_VERBOSE));
1018 if (pr.anchor_call[0] &&
1019 ((((p = strrchr(pr.anchor_call, '_')) != NULL) &&
1020 ((void *)p == (void *)pr.anchor_call ||
1021 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) {
1022 brace++;
1023 if ((p = strrchr(pr.anchor_call, '/')) !=
1024 NULL)
1025 p++;
1026 else
1027 p = &pr.anchor_call[0];
1028 } else
1029 p = &pr.anchor_call[0];
1030
1031 print_rule(&pr.rule, p, rule_numbers, numeric);
1032 if (brace)
1033 printf(" {\n");
1034 else
1035 printf("\n");
1036 pfctl_print_rule_counters(&pr.rule, opts);
1037 if (brace) {
1038 pfctl_show_rules(dev, path, opts, format,
1039 p, depth + 1);
1040 INDENT(depth, !(opts & PF_OPT_VERBOSE));
1041 printf("}\n");
1042 }
1043 break;
1044 case PFCTL_SHOW_NOTHING:
1045 break;
1046 }
1047 pfctl_clear_pool(&pr.rule.rpool);
1048 }
1049 path[len] = '\0';
1050 return (0);
1051
1052 error:
1053 path[len] = '\0';
1054 return (-1);
1055 }
1056
1057 int
pfctl_show_nat(int dev,int opts,char * anchorname)1058 pfctl_show_nat(int dev, int opts, char *anchorname)
1059 {
1060 struct pfioc_rule pr;
1061 u_int32_t mnr, nr;
1062 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT };
1063 int i, dotitle = opts & PF_OPT_SHOWALL;
1064
1065 memset(&pr, 0, sizeof(pr));
1066 memcpy(pr.anchor, anchorname, sizeof(pr.anchor));
1067 for (i = 0; i < 3; i++) {
1068 pr.rule.action = nattype[i];
1069 if (ioctl(dev, DIOCGETRULES, &pr)) {
1070 warn("DIOCGETRULES");
1071 return (-1);
1072 }
1073 mnr = pr.nr;
1074 for (nr = 0; nr < mnr; ++nr) {
1075 pr.nr = nr;
1076 if (ioctl(dev, DIOCGETRULE, &pr)) {
1077 warn("DIOCGETRULE");
1078 return (-1);
1079 }
1080 if (pfctl_get_pool(dev, &pr.rule.rpool, nr,
1081 pr.ticket, nattype[i], anchorname) != 0)
1082 return (-1);
1083 if (dotitle) {
1084 pfctl_print_title("TRANSLATION RULES:");
1085 dotitle = 0;
1086 }
1087 print_rule(&pr.rule, pr.anchor_call,
1088 opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC);
1089 printf("\n");
1090 pfctl_print_rule_counters(&pr.rule, opts);
1091 pfctl_clear_pool(&pr.rule.rpool);
1092 }
1093 }
1094 return (0);
1095 }
1096
1097 int
pfctl_show_src_nodes(int dev,int opts)1098 pfctl_show_src_nodes(int dev, int opts)
1099 {
1100 struct pfioc_src_nodes psn;
1101 struct pf_src_node *p;
1102 char *inbuf = NULL, *newinbuf = NULL;
1103 unsigned int len = 0;
1104 int i;
1105
1106 memset(&psn, 0, sizeof(psn));
1107 for (;;) {
1108 psn.psn_len = len;
1109 if (len) {
1110 newinbuf = realloc(inbuf, len);
1111 if (newinbuf == NULL)
1112 err(1, "realloc");
1113 psn.psn_buf = inbuf = newinbuf;
1114 }
1115 if (ioctl(dev, DIOCGETSRCNODES, &psn) < 0) {
1116 warn("DIOCGETSRCNODES");
1117 free(inbuf);
1118 return (-1);
1119 }
1120 if (psn.psn_len + sizeof(struct pfioc_src_nodes) < len)
1121 break;
1122 if (len == 0 && psn.psn_len == 0)
1123 goto done;
1124 if (len == 0 && psn.psn_len != 0)
1125 len = psn.psn_len;
1126 if (psn.psn_len == 0)
1127 goto done; /* no src_nodes */
1128 len *= 2;
1129 }
1130 p = psn.psn_src_nodes;
1131 if (psn.psn_len > 0 && (opts & PF_OPT_SHOWALL))
1132 pfctl_print_title("SOURCE TRACKING NODES:");
1133 for (i = 0; i < psn.psn_len; i += sizeof(*p)) {
1134 print_src_node(p, opts);
1135 p++;
1136 }
1137 done:
1138 free(inbuf);
1139 return (0);
1140 }
1141
1142 int
pfctl_show_states(int dev,const char * iface,int opts)1143 pfctl_show_states(int dev, const char *iface, int opts)
1144 {
1145 struct pfioc_states ps;
1146 struct pfsync_state *p;
1147 char *inbuf = NULL, *newinbuf = NULL;
1148 unsigned int len = 0;
1149 int i, dotitle = (opts & PF_OPT_SHOWALL);
1150
1151 memset(&ps, 0, sizeof(ps));
1152 for (;;) {
1153 ps.ps_len = len;
1154 if (len) {
1155 newinbuf = realloc(inbuf, len);
1156 if (newinbuf == NULL)
1157 err(1, "realloc");
1158 ps.ps_buf = inbuf = newinbuf;
1159 }
1160 if (ioctl(dev, DIOCGETSTATES, &ps) < 0) {
1161 warn("DIOCGETSTATES");
1162 free(inbuf);
1163 return (-1);
1164 }
1165 if (ps.ps_len + sizeof(struct pfioc_states) < len)
1166 break;
1167 if (len == 0 && ps.ps_len == 0)
1168 goto done;
1169 if (len == 0 && ps.ps_len != 0)
1170 len = ps.ps_len;
1171 if (ps.ps_len == 0)
1172 goto done; /* no states */
1173 len *= 2;
1174 }
1175 p = ps.ps_states;
1176 for (i = 0; i < ps.ps_len; i += sizeof(*p), p++) {
1177 if (iface != NULL && strcmp(p->ifname, iface))
1178 continue;
1179 if (dotitle) {
1180 pfctl_print_title("STATES:");
1181 dotitle = 0;
1182 }
1183 print_state(p, opts);
1184 }
1185 done:
1186 free(inbuf);
1187 return (0);
1188 }
1189
1190 int
pfctl_show_status(int dev,int opts)1191 pfctl_show_status(int dev, int opts)
1192 {
1193 struct pf_status status;
1194
1195 if (ioctl(dev, DIOCGETSTATUS, &status)) {
1196 warn("DIOCGETSTATUS");
1197 return (-1);
1198 }
1199 if (opts & PF_OPT_SHOWALL)
1200 pfctl_print_title("INFO:");
1201 print_status(&status, opts);
1202 return (0);
1203 }
1204
1205 int
pfctl_show_running(int dev)1206 pfctl_show_running(int dev)
1207 {
1208 struct pf_status status;
1209
1210 if (ioctl(dev, DIOCGETSTATUS, &status)) {
1211 warn("DIOCGETSTATUS");
1212 return (-1);
1213 }
1214
1215 print_running(&status);
1216 return (!status.running);
1217 }
1218
1219 int
pfctl_show_timeouts(int dev,int opts)1220 pfctl_show_timeouts(int dev, int opts)
1221 {
1222 struct pfioc_tm pt;
1223 int i;
1224
1225 if (opts & PF_OPT_SHOWALL)
1226 pfctl_print_title("TIMEOUTS:");
1227 memset(&pt, 0, sizeof(pt));
1228 for (i = 0; pf_timeouts[i].name; i++) {
1229 pt.timeout = pf_timeouts[i].timeout;
1230 if (ioctl(dev, DIOCGETTIMEOUT, &pt))
1231 err(1, "DIOCGETTIMEOUT");
1232 printf("%-20s %10d", pf_timeouts[i].name, pt.seconds);
1233 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START &&
1234 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END)
1235 printf(" states");
1236 else
1237 printf("s");
1238 printf("\n");
1239 }
1240 return (0);
1241
1242 }
1243
1244 int
pfctl_show_limits(int dev,int opts)1245 pfctl_show_limits(int dev, int opts)
1246 {
1247 struct pfioc_limit pl;
1248 int i;
1249
1250 if (opts & PF_OPT_SHOWALL)
1251 pfctl_print_title("LIMITS:");
1252 memset(&pl, 0, sizeof(pl));
1253 for (i = 0; pf_limits[i].name; i++) {
1254 pl.index = pf_limits[i].index;
1255 if (ioctl(dev, DIOCGETLIMIT, &pl))
1256 err(1, "DIOCGETLIMIT");
1257 printf("%-13s ", pf_limits[i].name);
1258 if (pl.limit == UINT_MAX)
1259 printf("unlimited\n");
1260 else
1261 printf("hard limit %8u\n", pl.limit);
1262 }
1263 return (0);
1264 }
1265
1266 /* callbacks for rule/nat/rdr/addr */
1267 int
pfctl_add_pool(struct pfctl * pf,struct pf_pool * p,sa_family_t af)1268 pfctl_add_pool(struct pfctl *pf, struct pf_pool *p, sa_family_t af)
1269 {
1270 struct pf_pooladdr *pa;
1271
1272 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1273 if (ioctl(pf->dev, DIOCBEGINADDRS, &pf->paddr))
1274 err(1, "DIOCBEGINADDRS");
1275 }
1276
1277 pf->paddr.af = af;
1278 TAILQ_FOREACH(pa, &p->list, entries) {
1279 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr));
1280 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1281 if (ioctl(pf->dev, DIOCADDADDR, &pf->paddr))
1282 err(1, "DIOCADDADDR");
1283 }
1284 }
1285 return (0);
1286 }
1287
1288 int
pfctl_add_rule(struct pfctl * pf,struct pf_rule * r,const char * anchor_call)1289 pfctl_add_rule(struct pfctl *pf, struct pf_rule *r, const char *anchor_call)
1290 {
1291 u_int8_t rs_num;
1292 struct pf_rule *rule;
1293 struct pf_ruleset *rs;
1294 char *p;
1295
1296 rs_num = pf_get_ruleset_number(r->action);
1297 if (rs_num == PF_RULESET_MAX)
1298 errx(1, "Invalid rule type %d", r->action);
1299
1300 rs = &pf->anchor->ruleset;
1301
1302 if (anchor_call[0] && r->anchor == NULL) {
1303 /*
1304 * Don't make non-brace anchors part of the main anchor pool.
1305 */
1306 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL)
1307 err(1, "pfctl_add_rule: calloc");
1308
1309 pf_init_ruleset(&r->anchor->ruleset);
1310 r->anchor->ruleset.anchor = r->anchor;
1311 if (strlcpy(r->anchor->path, anchor_call,
1312 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path))
1313 errx(1, "pfctl_add_rule: strlcpy");
1314 if ((p = strrchr(anchor_call, '/')) != NULL) {
1315 if (!strlen(p))
1316 err(1, "pfctl_add_rule: bad anchor name %s",
1317 anchor_call);
1318 } else
1319 p = (char *)anchor_call;
1320 if (strlcpy(r->anchor->name, p,
1321 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name))
1322 errx(1, "pfctl_add_rule: strlcpy");
1323 }
1324
1325 if ((rule = calloc(1, sizeof(*rule))) == NULL)
1326 err(1, "calloc");
1327 bcopy(r, rule, sizeof(*rule));
1328 TAILQ_INIT(&rule->rpool.list);
1329 pfctl_move_pool(&r->rpool, &rule->rpool);
1330
1331 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries);
1332 return (0);
1333 }
1334
1335 int
pfctl_ruleset_trans(struct pfctl * pf,char * path,struct pf_anchor * a)1336 pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pf_anchor *a)
1337 {
1338 int osize = pf->trans->pfrb_size;
1339
1340 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) {
1341 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) ||
1342 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) ||
1343 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path))
1344 return (1);
1345 }
1346 if (a == pf->astack[0] && ((altqsupport &&
1347 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) {
1348 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path))
1349 return (2);
1350 }
1351 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) {
1352 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) ||
1353 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path))
1354 return (3);
1355 }
1356 if (pf->loadopt & PFCTL_FLAG_TABLE)
1357 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path))
1358 return (4);
1359 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize))
1360 return (5);
1361
1362 return (0);
1363 }
1364
1365 int
pfctl_load_ruleset(struct pfctl * pf,char * path,struct pf_ruleset * rs,int rs_num,int depth)1366 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pf_ruleset *rs,
1367 int rs_num, int depth)
1368 {
1369 struct pf_rule *r;
1370 int error, len = strlen(path);
1371 int brace = 0;
1372
1373 pf->anchor = rs->anchor;
1374
1375 if (path[0])
1376 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name);
1377 else
1378 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name);
1379
1380 if (depth) {
1381 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) {
1382 brace++;
1383 if (pf->opts & PF_OPT_VERBOSE)
1384 printf(" {\n");
1385 if ((pf->opts & PF_OPT_NOACTION) == 0 &&
1386 (error = pfctl_ruleset_trans(pf,
1387 path, rs->anchor))) {
1388 printf("pfctl_load_rulesets: "
1389 "pfctl_ruleset_trans %d\n", error);
1390 goto error;
1391 }
1392 } else if (pf->opts & PF_OPT_VERBOSE)
1393 printf("\n");
1394
1395 }
1396
1397 if (pf->optimize && rs_num == PF_RULESET_FILTER)
1398 pfctl_optimize_ruleset(pf, rs);
1399
1400 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) {
1401 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries);
1402 if ((error = pfctl_load_rule(pf, path, r, depth)))
1403 goto error;
1404 if (r->anchor) {
1405 if ((error = pfctl_load_ruleset(pf, path,
1406 &r->anchor->ruleset, rs_num, depth + 1)))
1407 goto error;
1408 } else if (pf->opts & PF_OPT_VERBOSE)
1409 printf("\n");
1410 free(r);
1411 }
1412 if (brace && pf->opts & PF_OPT_VERBOSE) {
1413 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE));
1414 printf("}\n");
1415 }
1416 path[len] = '\0';
1417 return (0);
1418
1419 error:
1420 path[len] = '\0';
1421 return (error);
1422
1423 }
1424
1425 int
pfctl_load_rule(struct pfctl * pf,char * path,struct pf_rule * r,int depth)1426 pfctl_load_rule(struct pfctl *pf, char *path, struct pf_rule *r, int depth)
1427 {
1428 u_int8_t rs_num = pf_get_ruleset_number(r->action);
1429 char *name;
1430 struct pfioc_rule pr;
1431 int len = strlen(path);
1432
1433 bzero(&pr, sizeof(pr));
1434 /* set up anchor before adding to path for anchor_call */
1435 if ((pf->opts & PF_OPT_NOACTION) == 0)
1436 pr.ticket = pfctl_get_ticket(pf->trans, rs_num, path);
1437 if (strlcpy(pr.anchor, path, sizeof(pr.anchor)) >= sizeof(pr.anchor))
1438 errx(1, "pfctl_load_rule: strlcpy");
1439
1440 if (r->anchor) {
1441 if (r->anchor->match) {
1442 if (path[0])
1443 snprintf(&path[len], MAXPATHLEN - len,
1444 "/%s", r->anchor->name);
1445 else
1446 snprintf(&path[len], MAXPATHLEN - len,
1447 "%s", r->anchor->name);
1448 name = r->anchor->name;
1449 } else
1450 name = r->anchor->path;
1451 } else
1452 name = "";
1453
1454 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1455 if (pfctl_add_pool(pf, &r->rpool, r->af))
1456 return (1);
1457 pr.pool_ticket = pf->paddr.ticket;
1458 memcpy(&pr.rule, r, sizeof(pr.rule));
1459 if (r->anchor && strlcpy(pr.anchor_call, name,
1460 sizeof(pr.anchor_call)) >= sizeof(pr.anchor_call))
1461 errx(1, "pfctl_load_rule: strlcpy");
1462 if (ioctl(pf->dev, DIOCADDRULE, &pr))
1463 err(1, "DIOCADDRULE");
1464 }
1465
1466 if (pf->opts & PF_OPT_VERBOSE) {
1467 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2));
1468 print_rule(r, r->anchor ? r->anchor->name : "",
1469 pf->opts & PF_OPT_VERBOSE2,
1470 pf->opts & PF_OPT_NUMERIC);
1471 }
1472 path[len] = '\0';
1473 pfctl_clear_pool(&r->rpool);
1474 return (0);
1475 }
1476
1477 int
pfctl_add_altq(struct pfctl * pf,struct pf_altq * a)1478 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a)
1479 {
1480 if (altqsupport &&
1481 (loadopt & PFCTL_FLAG_ALTQ) != 0) {
1482 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq));
1483 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1484 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) {
1485 if (errno == ENXIO)
1486 errx(1, "qtype not configured");
1487 else if (errno == ENODEV)
1488 errx(1, "%s: driver does not support "
1489 "altq", a->ifname);
1490 else
1491 err(1, "DIOCADDALTQ");
1492 }
1493 }
1494 pfaltq_store(&pf->paltq->altq);
1495 }
1496 return (0);
1497 }
1498
1499 int
pfctl_rules(int dev,char * filename,int opts,int optimize,char * anchorname,struct pfr_buffer * trans)1500 pfctl_rules(int dev, char *filename, int opts, int optimize,
1501 char *anchorname, struct pfr_buffer *trans)
1502 {
1503 #define ERR(x) do { warn(x); goto _error; } while(0)
1504 #define ERRX(x) do { warnx(x); goto _error; } while(0)
1505
1506 struct pfr_buffer *t, buf;
1507 struct pfioc_altq pa;
1508 struct pfctl pf;
1509 struct pf_ruleset *rs;
1510 struct pfr_table trs;
1511 char *path;
1512 int osize;
1513
1514 RB_INIT(&pf_anchors);
1515 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor));
1516 pf_init_ruleset(&pf_main_anchor.ruleset);
1517 pf_main_anchor.ruleset.anchor = &pf_main_anchor;
1518 if (trans == NULL) {
1519 bzero(&buf, sizeof(buf));
1520 buf.pfrb_type = PFRB_TRANS;
1521 t = &buf;
1522 osize = 0;
1523 } else {
1524 t = trans;
1525 osize = t->pfrb_size;
1526 }
1527
1528 memset(&pa, 0, sizeof(pa));
1529 pa.version = PFIOC_ALTQ_VERSION;
1530 memset(&pf, 0, sizeof(pf));
1531 memset(&trs, 0, sizeof(trs));
1532 if ((path = calloc(1, MAXPATHLEN)) == NULL)
1533 ERRX("pfctl_rules: calloc");
1534 if (strlcpy(trs.pfrt_anchor, anchorname,
1535 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor))
1536 ERRX("pfctl_rules: strlcpy");
1537 pf.dev = dev;
1538 pf.opts = opts;
1539 pf.optimize = optimize;
1540 pf.loadopt = loadopt;
1541
1542 /* non-brace anchor, create without resolving the path */
1543 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL)
1544 ERRX("pfctl_rules: calloc");
1545 rs = &pf.anchor->ruleset;
1546 pf_init_ruleset(rs);
1547 rs->anchor = pf.anchor;
1548 if (strlcpy(pf.anchor->path, anchorname,
1549 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path))
1550 errx(1, "pfctl_add_rule: strlcpy");
1551 if (strlcpy(pf.anchor->name, anchorname,
1552 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name))
1553 errx(1, "pfctl_add_rule: strlcpy");
1554
1555
1556 pf.astack[0] = pf.anchor;
1557 pf.asd = 0;
1558 if (anchorname[0])
1559 pf.loadopt &= ~PFCTL_FLAG_ALTQ;
1560 pf.paltq = &pa;
1561 pf.trans = t;
1562 pfctl_init_options(&pf);
1563
1564 if ((opts & PF_OPT_NOACTION) == 0) {
1565 /*
1566 * XXX For the time being we need to open transactions for
1567 * the main ruleset before parsing, because tables are still
1568 * loaded at parse time.
1569 */
1570 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor))
1571 ERRX("pfctl_rules");
1572 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ))
1573 pa.ticket =
1574 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname);
1575 if (pf.loadopt & PFCTL_FLAG_TABLE)
1576 pf.astack[0]->ruleset.tticket =
1577 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname);
1578 }
1579
1580 if (parse_config(filename, &pf) < 0) {
1581 if ((opts & PF_OPT_NOACTION) == 0)
1582 ERRX("Syntax error in config file: "
1583 "pf rules not loaded");
1584 else
1585 goto _error;
1586 }
1587 if (loadopt & PFCTL_FLAG_OPTION)
1588 pfctl_adjust_skip_ifaces(&pf);
1589
1590 if ((pf.loadopt & PFCTL_FLAG_FILTER &&
1591 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) ||
1592 (pf.loadopt & PFCTL_FLAG_NAT &&
1593 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) ||
1594 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) ||
1595 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) ||
1596 (pf.loadopt & PFCTL_FLAG_FILTER &&
1597 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) {
1598 if ((opts & PF_OPT_NOACTION) == 0)
1599 ERRX("Unable to load rules into kernel");
1600 else
1601 goto _error;
1602 }
1603
1604 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0))
1605 if (check_commit_altq(dev, opts) != 0)
1606 ERRX("errors in altq config");
1607
1608 /* process "load anchor" directives */
1609 if (!anchorname[0])
1610 if (pfctl_load_anchors(dev, &pf, t) == -1)
1611 ERRX("load anchors");
1612
1613 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) {
1614 if (!anchorname[0])
1615 if (pfctl_load_options(&pf))
1616 goto _error;
1617 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize))
1618 ERR("DIOCXCOMMIT");
1619 }
1620 free(path);
1621 return (0);
1622
1623 _error:
1624 if (trans == NULL) { /* main ruleset */
1625 if ((opts & PF_OPT_NOACTION) == 0)
1626 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize))
1627 err(1, "DIOCXROLLBACK");
1628 exit(1);
1629 } else { /* sub ruleset */
1630 free(path);
1631 return (-1);
1632 }
1633
1634 #undef ERR
1635 #undef ERRX
1636 }
1637
1638 FILE *
pfctl_fopen(const char * name,const char * mode)1639 pfctl_fopen(const char *name, const char *mode)
1640 {
1641 struct stat st;
1642 FILE *fp;
1643
1644 fp = fopen(name, mode);
1645 if (fp == NULL)
1646 return (NULL);
1647 if (fstat(fileno(fp), &st)) {
1648 fclose(fp);
1649 return (NULL);
1650 }
1651 if (S_ISDIR(st.st_mode)) {
1652 fclose(fp);
1653 errno = EISDIR;
1654 return (NULL);
1655 }
1656 return (fp);
1657 }
1658
1659 void
pfctl_init_options(struct pfctl * pf)1660 pfctl_init_options(struct pfctl *pf)
1661 {
1662
1663 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL;
1664 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL;
1665 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL;
1666 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL;
1667 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL;
1668 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL;
1669 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL;
1670 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL;
1671 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL;
1672 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL;
1673 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL;
1674 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL;
1675 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL;
1676 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL;
1677 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL;
1678 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL;
1679 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL;
1680 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL;
1681 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START;
1682 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END;
1683
1684 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT;
1685 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT;
1686 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT;
1687 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT;
1688
1689 pf->debug = PF_DEBUG_URGENT;
1690 }
1691
1692 int
pfctl_load_options(struct pfctl * pf)1693 pfctl_load_options(struct pfctl *pf)
1694 {
1695 int i, error = 0;
1696
1697 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1698 return (0);
1699
1700 /* load limits */
1701 for (i = 0; i < PF_LIMIT_MAX; i++) {
1702 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i])
1703 continue;
1704 if (pfctl_load_limit(pf, i, pf->limit[i]))
1705 error = 1;
1706 }
1707
1708 /*
1709 * If we've set the limit, but haven't explicitly set adaptive
1710 * timeouts, do it now with a start of 60% and end of 120%.
1711 */
1712 if (pf->limit_set[PF_LIMIT_STATES] &&
1713 !pf->timeout_set[PFTM_ADAPTIVE_START] &&
1714 !pf->timeout_set[PFTM_ADAPTIVE_END]) {
1715 pf->timeout[PFTM_ADAPTIVE_START] =
1716 (pf->limit[PF_LIMIT_STATES] / 10) * 6;
1717 pf->timeout_set[PFTM_ADAPTIVE_START] = 1;
1718 pf->timeout[PFTM_ADAPTIVE_END] =
1719 (pf->limit[PF_LIMIT_STATES] / 10) * 12;
1720 pf->timeout_set[PFTM_ADAPTIVE_END] = 1;
1721 }
1722
1723 /* load timeouts */
1724 for (i = 0; i < PFTM_MAX; i++) {
1725 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i])
1726 continue;
1727 if (pfctl_load_timeout(pf, i, pf->timeout[i]))
1728 error = 1;
1729 }
1730
1731 /* load debug */
1732 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set)
1733 if (pfctl_load_debug(pf, pf->debug))
1734 error = 1;
1735
1736 /* load logif */
1737 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set)
1738 if (pfctl_load_logif(pf, pf->ifname))
1739 error = 1;
1740
1741 /* load hostid */
1742 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set)
1743 if (pfctl_load_hostid(pf, pf->hostid))
1744 error = 1;
1745
1746 return (error);
1747 }
1748
1749 int
pfctl_set_limit(struct pfctl * pf,const char * opt,unsigned int limit)1750 pfctl_set_limit(struct pfctl *pf, const char *opt, unsigned int limit)
1751 {
1752 int i;
1753
1754
1755 for (i = 0; pf_limits[i].name; i++) {
1756 if (strcasecmp(opt, pf_limits[i].name) == 0) {
1757 pf->limit[pf_limits[i].index] = limit;
1758 pf->limit_set[pf_limits[i].index] = 1;
1759 break;
1760 }
1761 }
1762 if (pf_limits[i].name == NULL) {
1763 warnx("Bad pool name.");
1764 return (1);
1765 }
1766
1767 if (pf->opts & PF_OPT_VERBOSE)
1768 printf("set limit %s %d\n", opt, limit);
1769
1770 return (0);
1771 }
1772
1773 int
pfctl_load_limit(struct pfctl * pf,unsigned int index,unsigned int limit)1774 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit)
1775 {
1776 struct pfioc_limit pl;
1777
1778 memset(&pl, 0, sizeof(pl));
1779 pl.index = index;
1780 pl.limit = limit;
1781 if (ioctl(pf->dev, DIOCSETLIMIT, &pl)) {
1782 if (errno == EBUSY)
1783 warnx("Current pool size exceeds requested hard limit");
1784 else
1785 warnx("DIOCSETLIMIT");
1786 return (1);
1787 }
1788 return (0);
1789 }
1790
1791 int
pfctl_set_timeout(struct pfctl * pf,const char * opt,int seconds,int quiet)1792 pfctl_set_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet)
1793 {
1794 int i;
1795
1796 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1797 return (0);
1798
1799 for (i = 0; pf_timeouts[i].name; i++) {
1800 if (strcasecmp(opt, pf_timeouts[i].name) == 0) {
1801 pf->timeout[pf_timeouts[i].timeout] = seconds;
1802 pf->timeout_set[pf_timeouts[i].timeout] = 1;
1803 break;
1804 }
1805 }
1806
1807 if (pf_timeouts[i].name == NULL) {
1808 warnx("Bad timeout name.");
1809 return (1);
1810 }
1811
1812
1813 if (pf->opts & PF_OPT_VERBOSE && ! quiet)
1814 printf("set timeout %s %d\n", opt, seconds);
1815
1816 return (0);
1817 }
1818
1819 int
pfctl_load_timeout(struct pfctl * pf,unsigned int timeout,unsigned int seconds)1820 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds)
1821 {
1822 struct pfioc_tm pt;
1823
1824 memset(&pt, 0, sizeof(pt));
1825 pt.timeout = timeout;
1826 pt.seconds = seconds;
1827 if (ioctl(pf->dev, DIOCSETTIMEOUT, &pt)) {
1828 warnx("DIOCSETTIMEOUT");
1829 return (1);
1830 }
1831 return (0);
1832 }
1833
1834 int
pfctl_set_optimization(struct pfctl * pf,const char * opt)1835 pfctl_set_optimization(struct pfctl *pf, const char *opt)
1836 {
1837 const struct pf_hint *hint;
1838 int i, r;
1839
1840 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1841 return (0);
1842
1843 for (i = 0; pf_hints[i].name; i++)
1844 if (strcasecmp(opt, pf_hints[i].name) == 0)
1845 break;
1846
1847 hint = pf_hints[i].hint;
1848 if (hint == NULL) {
1849 warnx("invalid state timeouts optimization");
1850 return (1);
1851 }
1852
1853 for (i = 0; hint[i].name; i++)
1854 if ((r = pfctl_set_timeout(pf, hint[i].name,
1855 hint[i].timeout, 1)))
1856 return (r);
1857
1858 if (pf->opts & PF_OPT_VERBOSE)
1859 printf("set optimization %s\n", opt);
1860
1861 return (0);
1862 }
1863
1864 int
pfctl_set_logif(struct pfctl * pf,char * ifname)1865 pfctl_set_logif(struct pfctl *pf, char *ifname)
1866 {
1867
1868 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1869 return (0);
1870
1871 if (!strcmp(ifname, "none")) {
1872 free(pf->ifname);
1873 pf->ifname = NULL;
1874 } else {
1875 pf->ifname = strdup(ifname);
1876 if (!pf->ifname)
1877 errx(1, "pfctl_set_logif: strdup");
1878 }
1879 pf->ifname_set = 1;
1880
1881 if (pf->opts & PF_OPT_VERBOSE)
1882 printf("set loginterface %s\n", ifname);
1883
1884 return (0);
1885 }
1886
1887 int
pfctl_load_logif(struct pfctl * pf,char * ifname)1888 pfctl_load_logif(struct pfctl *pf, char *ifname)
1889 {
1890 struct pfioc_if pi;
1891
1892 memset(&pi, 0, sizeof(pi));
1893 if (ifname && strlcpy(pi.ifname, ifname,
1894 sizeof(pi.ifname)) >= sizeof(pi.ifname)) {
1895 warnx("pfctl_load_logif: strlcpy");
1896 return (1);
1897 }
1898 if (ioctl(pf->dev, DIOCSETSTATUSIF, &pi)) {
1899 warnx("DIOCSETSTATUSIF");
1900 return (1);
1901 }
1902 return (0);
1903 }
1904
1905 int
pfctl_set_hostid(struct pfctl * pf,u_int32_t hostid)1906 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid)
1907 {
1908 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1909 return (0);
1910
1911 HTONL(hostid);
1912
1913 pf->hostid = hostid;
1914 pf->hostid_set = 1;
1915
1916 if (pf->opts & PF_OPT_VERBOSE)
1917 printf("set hostid 0x%08x\n", ntohl(hostid));
1918
1919 return (0);
1920 }
1921
1922 int
pfctl_load_hostid(struct pfctl * pf,u_int32_t hostid)1923 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid)
1924 {
1925 if (ioctl(dev, DIOCSETHOSTID, &hostid)) {
1926 warnx("DIOCSETHOSTID");
1927 return (1);
1928 }
1929 return (0);
1930 }
1931
1932 int
pfctl_set_debug(struct pfctl * pf,char * d)1933 pfctl_set_debug(struct pfctl *pf, char *d)
1934 {
1935 u_int32_t level;
1936
1937 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1938 return (0);
1939
1940 if (!strcmp(d, "none"))
1941 pf->debug = PF_DEBUG_NONE;
1942 else if (!strcmp(d, "urgent"))
1943 pf->debug = PF_DEBUG_URGENT;
1944 else if (!strcmp(d, "misc"))
1945 pf->debug = PF_DEBUG_MISC;
1946 else if (!strcmp(d, "loud"))
1947 pf->debug = PF_DEBUG_NOISY;
1948 else {
1949 warnx("unknown debug level \"%s\"", d);
1950 return (-1);
1951 }
1952
1953 pf->debug_set = 1;
1954 level = pf->debug;
1955
1956 if ((pf->opts & PF_OPT_NOACTION) == 0)
1957 if (ioctl(dev, DIOCSETDEBUG, &level))
1958 err(1, "DIOCSETDEBUG");
1959
1960 if (pf->opts & PF_OPT_VERBOSE)
1961 printf("set debug %s\n", d);
1962
1963 return (0);
1964 }
1965
1966 int
pfctl_load_debug(struct pfctl * pf,unsigned int level)1967 pfctl_load_debug(struct pfctl *pf, unsigned int level)
1968 {
1969 if (ioctl(pf->dev, DIOCSETDEBUG, &level)) {
1970 warnx("DIOCSETDEBUG");
1971 return (1);
1972 }
1973 return (0);
1974 }
1975
1976 int
pfctl_set_interface_flags(struct pfctl * pf,char * ifname,int flags,int how)1977 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how)
1978 {
1979 struct pfioc_iface pi;
1980 struct node_host *h = NULL, *n = NULL;
1981
1982 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1983 return (0);
1984
1985 bzero(&pi, sizeof(pi));
1986
1987 pi.pfiio_flags = flags;
1988
1989 /* Make sure our cache matches the kernel. If we set or clear the flag
1990 * for a group this applies to all members. */
1991 h = ifa_grouplookup(ifname, 0);
1992 for (n = h; n != NULL; n = n->next)
1993 pfctl_set_interface_flags(pf, n->ifname, flags, how);
1994
1995 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >=
1996 sizeof(pi.pfiio_name))
1997 errx(1, "pfctl_set_interface_flags: strlcpy");
1998
1999 if ((pf->opts & PF_OPT_NOACTION) == 0) {
2000 if (how == 0) {
2001 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi))
2002 err(1, "DIOCCLRIFFLAG");
2003 } else {
2004 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi))
2005 err(1, "DIOCSETIFFLAG");
2006 pfctl_check_skip_ifaces(ifname);
2007 }
2008 }
2009 return (0);
2010 }
2011
2012 void
pfctl_debug(int dev,u_int32_t level,int opts)2013 pfctl_debug(int dev, u_int32_t level, int opts)
2014 {
2015 if (ioctl(dev, DIOCSETDEBUG, &level))
2016 err(1, "DIOCSETDEBUG");
2017 if ((opts & PF_OPT_QUIET) == 0) {
2018 fprintf(stderr, "debug level set to '");
2019 switch (level) {
2020 case PF_DEBUG_NONE:
2021 fprintf(stderr, "none");
2022 break;
2023 case PF_DEBUG_URGENT:
2024 fprintf(stderr, "urgent");
2025 break;
2026 case PF_DEBUG_MISC:
2027 fprintf(stderr, "misc");
2028 break;
2029 case PF_DEBUG_NOISY:
2030 fprintf(stderr, "loud");
2031 break;
2032 default:
2033 fprintf(stderr, "<invalid>");
2034 break;
2035 }
2036 fprintf(stderr, "'\n");
2037 }
2038 }
2039
2040 int
pfctl_test_altqsupport(int dev,int opts)2041 pfctl_test_altqsupport(int dev, int opts)
2042 {
2043 struct pfioc_altq pa;
2044
2045 pa.version = PFIOC_ALTQ_VERSION;
2046 if (ioctl(dev, DIOCGETALTQS, &pa)) {
2047 if (errno == ENODEV) {
2048 if (opts & PF_OPT_VERBOSE)
2049 fprintf(stderr, "No ALTQ support in kernel\n"
2050 "ALTQ related functions disabled\n");
2051 return (0);
2052 } else
2053 err(1, "DIOCGETALTQS");
2054 }
2055 return (1);
2056 }
2057
2058 int
pfctl_show_anchors(int dev,int opts,char * anchorname)2059 pfctl_show_anchors(int dev, int opts, char *anchorname)
2060 {
2061 struct pfioc_ruleset pr;
2062 u_int32_t mnr, nr;
2063
2064 memset(&pr, 0, sizeof(pr));
2065 memcpy(pr.path, anchorname, sizeof(pr.path));
2066 if (ioctl(dev, DIOCGETRULESETS, &pr)) {
2067 if (errno == EINVAL)
2068 fprintf(stderr, "Anchor '%s' not found.\n",
2069 anchorname);
2070 else
2071 err(1, "DIOCGETRULESETS");
2072 return (-1);
2073 }
2074 mnr = pr.nr;
2075 for (nr = 0; nr < mnr; ++nr) {
2076 char sub[MAXPATHLEN];
2077
2078 pr.nr = nr;
2079 if (ioctl(dev, DIOCGETRULESET, &pr))
2080 err(1, "DIOCGETRULESET");
2081 if (!strcmp(pr.name, PF_RESERVED_ANCHOR))
2082 continue;
2083 sub[0] = 0;
2084 if (pr.path[0]) {
2085 strlcat(sub, pr.path, sizeof(sub));
2086 strlcat(sub, "/", sizeof(sub));
2087 }
2088 strlcat(sub, pr.name, sizeof(sub));
2089 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE))
2090 printf(" %s\n", sub);
2091 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub))
2092 return (-1);
2093 }
2094 return (0);
2095 }
2096
2097 const char *
pfctl_lookup_option(char * cmd,const char * const * list)2098 pfctl_lookup_option(char *cmd, const char * const *list)
2099 {
2100 if (cmd != NULL && *cmd)
2101 for (; *list; list++)
2102 if (!strncmp(cmd, *list, strlen(cmd)))
2103 return (*list);
2104 return (NULL);
2105 }
2106
2107 int
main(int argc,char * argv[])2108 main(int argc, char *argv[])
2109 {
2110 int error = 0;
2111 int ch;
2112 int mode = O_RDONLY;
2113 int opts = 0;
2114 int optimize = PF_OPTIMIZE_BASIC;
2115 char anchorname[MAXPATHLEN];
2116 char *path;
2117
2118 if (argc < 2)
2119 usage();
2120
2121 while ((ch = getopt(argc, argv,
2122 "a:AdD:eqf:F:ghi:k:K:mnNOo:Pp:rRs:t:T:vx:z")) != -1) {
2123 switch (ch) {
2124 case 'a':
2125 anchoropt = optarg;
2126 break;
2127 case 'd':
2128 opts |= PF_OPT_DISABLE;
2129 mode = O_RDWR;
2130 break;
2131 case 'D':
2132 if (pfctl_cmdline_symset(optarg) < 0)
2133 warnx("could not parse macro definition %s",
2134 optarg);
2135 break;
2136 case 'e':
2137 opts |= PF_OPT_ENABLE;
2138 mode = O_RDWR;
2139 break;
2140 case 'q':
2141 opts |= PF_OPT_QUIET;
2142 break;
2143 case 'F':
2144 clearopt = pfctl_lookup_option(optarg, clearopt_list);
2145 if (clearopt == NULL) {
2146 warnx("Unknown flush modifier '%s'", optarg);
2147 usage();
2148 }
2149 mode = O_RDWR;
2150 break;
2151 case 'i':
2152 ifaceopt = optarg;
2153 break;
2154 case 'k':
2155 if (state_killers >= 2) {
2156 warnx("can only specify -k twice");
2157 usage();
2158 /* NOTREACHED */
2159 }
2160 state_kill[state_killers++] = optarg;
2161 mode = O_RDWR;
2162 break;
2163 case 'K':
2164 if (src_node_killers >= 2) {
2165 warnx("can only specify -K twice");
2166 usage();
2167 /* NOTREACHED */
2168 }
2169 src_node_kill[src_node_killers++] = optarg;
2170 mode = O_RDWR;
2171 break;
2172 case 'm':
2173 opts |= PF_OPT_MERGE;
2174 break;
2175 case 'n':
2176 opts |= PF_OPT_NOACTION;
2177 break;
2178 case 'N':
2179 loadopt |= PFCTL_FLAG_NAT;
2180 break;
2181 case 'r':
2182 opts |= PF_OPT_USEDNS;
2183 break;
2184 case 'f':
2185 rulesopt = optarg;
2186 mode = O_RDWR;
2187 break;
2188 case 'g':
2189 opts |= PF_OPT_DEBUG;
2190 break;
2191 case 'A':
2192 loadopt |= PFCTL_FLAG_ALTQ;
2193 break;
2194 case 'R':
2195 loadopt |= PFCTL_FLAG_FILTER;
2196 break;
2197 case 'o':
2198 optiopt = pfctl_lookup_option(optarg, optiopt_list);
2199 if (optiopt == NULL) {
2200 warnx("Unknown optimization '%s'", optarg);
2201 usage();
2202 }
2203 opts |= PF_OPT_OPTIMIZE;
2204 break;
2205 case 'O':
2206 loadopt |= PFCTL_FLAG_OPTION;
2207 break;
2208 case 'p':
2209 pf_device = optarg;
2210 break;
2211 case 'P':
2212 opts |= PF_OPT_NUMERIC;
2213 break;
2214 case 's':
2215 showopt = pfctl_lookup_option(optarg, showopt_list);
2216 if (showopt == NULL) {
2217 warnx("Unknown show modifier '%s'", optarg);
2218 usage();
2219 }
2220 break;
2221 case 't':
2222 tableopt = optarg;
2223 break;
2224 case 'T':
2225 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list);
2226 if (tblcmdopt == NULL) {
2227 warnx("Unknown table command '%s'", optarg);
2228 usage();
2229 }
2230 break;
2231 case 'v':
2232 if (opts & PF_OPT_VERBOSE)
2233 opts |= PF_OPT_VERBOSE2;
2234 opts |= PF_OPT_VERBOSE;
2235 break;
2236 case 'x':
2237 debugopt = pfctl_lookup_option(optarg, debugopt_list);
2238 if (debugopt == NULL) {
2239 warnx("Unknown debug level '%s'", optarg);
2240 usage();
2241 }
2242 mode = O_RDWR;
2243 break;
2244 case 'z':
2245 opts |= PF_OPT_CLRRULECTRS;
2246 mode = O_RDWR;
2247 break;
2248 case 'h':
2249 /* FALLTHROUGH */
2250 default:
2251 usage();
2252 /* NOTREACHED */
2253 }
2254 }
2255
2256 if (tblcmdopt != NULL) {
2257 argc -= optind;
2258 argv += optind;
2259 ch = *tblcmdopt;
2260 if (ch == 'l') {
2261 loadopt |= PFCTL_FLAG_TABLE;
2262 tblcmdopt = NULL;
2263 } else
2264 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY;
2265 } else if (argc != optind) {
2266 warnx("unknown command line argument: %s ...", argv[optind]);
2267 usage();
2268 /* NOTREACHED */
2269 }
2270 if (loadopt == 0)
2271 loadopt = ~0;
2272
2273 if ((path = calloc(1, MAXPATHLEN)) == NULL)
2274 errx(1, "pfctl: calloc");
2275 memset(anchorname, 0, sizeof(anchorname));
2276 if (anchoropt != NULL) {
2277 int len = strlen(anchoropt);
2278
2279 if (anchoropt[len - 1] == '*') {
2280 if (len >= 2 && anchoropt[len - 2] == '/')
2281 anchoropt[len - 2] = '\0';
2282 else
2283 anchoropt[len - 1] = '\0';
2284 opts |= PF_OPT_RECURSE;
2285 }
2286 if (strlcpy(anchorname, anchoropt,
2287 sizeof(anchorname)) >= sizeof(anchorname))
2288 errx(1, "anchor name '%s' too long",
2289 anchoropt);
2290 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE;
2291 }
2292
2293 if ((opts & PF_OPT_NOACTION) == 0) {
2294 dev = open(pf_device, mode);
2295 if (dev == -1)
2296 err(1, "%s", pf_device);
2297 altqsupport = pfctl_test_altqsupport(dev, opts);
2298 } else {
2299 dev = open(pf_device, O_RDONLY);
2300 if (dev >= 0)
2301 opts |= PF_OPT_DUMMYACTION;
2302 /* turn off options */
2303 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE);
2304 clearopt = showopt = debugopt = NULL;
2305 #if !defined(ENABLE_ALTQ)
2306 altqsupport = 0;
2307 #else
2308 altqsupport = 1;
2309 #endif
2310 }
2311
2312 if (opts & PF_OPT_DISABLE)
2313 if (pfctl_disable(dev, opts))
2314 error = 1;
2315
2316 if (showopt != NULL) {
2317 switch (*showopt) {
2318 case 'A':
2319 pfctl_show_anchors(dev, opts, anchorname);
2320 break;
2321 case 'r':
2322 pfctl_load_fingerprints(dev, opts);
2323 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES,
2324 anchorname, 0);
2325 break;
2326 case 'l':
2327 pfctl_load_fingerprints(dev, opts);
2328 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS,
2329 anchorname, 0);
2330 break;
2331 case 'n':
2332 pfctl_load_fingerprints(dev, opts);
2333 pfctl_show_nat(dev, opts, anchorname);
2334 break;
2335 case 'q':
2336 pfctl_show_altq(dev, ifaceopt, opts,
2337 opts & PF_OPT_VERBOSE2);
2338 break;
2339 case 's':
2340 pfctl_show_states(dev, ifaceopt, opts);
2341 break;
2342 case 'S':
2343 pfctl_show_src_nodes(dev, opts);
2344 break;
2345 case 'i':
2346 pfctl_show_status(dev, opts);
2347 break;
2348 case 'R':
2349 error = pfctl_show_running(dev);
2350 break;
2351 case 't':
2352 pfctl_show_timeouts(dev, opts);
2353 break;
2354 case 'm':
2355 pfctl_show_limits(dev, opts);
2356 break;
2357 case 'a':
2358 opts |= PF_OPT_SHOWALL;
2359 pfctl_load_fingerprints(dev, opts);
2360
2361 pfctl_show_nat(dev, opts, anchorname);
2362 pfctl_show_rules(dev, path, opts, 0, anchorname, 0);
2363 pfctl_show_altq(dev, ifaceopt, opts, 0);
2364 pfctl_show_states(dev, ifaceopt, opts);
2365 pfctl_show_src_nodes(dev, opts);
2366 pfctl_show_status(dev, opts);
2367 pfctl_show_rules(dev, path, opts, 1, anchorname, 0);
2368 pfctl_show_timeouts(dev, opts);
2369 pfctl_show_limits(dev, opts);
2370 pfctl_show_tables(anchorname, opts);
2371 pfctl_show_fingerprints(opts);
2372 break;
2373 case 'T':
2374 pfctl_show_tables(anchorname, opts);
2375 break;
2376 case 'o':
2377 pfctl_load_fingerprints(dev, opts);
2378 pfctl_show_fingerprints(opts);
2379 break;
2380 case 'I':
2381 pfctl_show_ifaces(ifaceopt, opts);
2382 break;
2383 }
2384 }
2385
2386 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL)
2387 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING,
2388 anchorname, 0);
2389
2390 if (clearopt != NULL) {
2391 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL)
2392 errx(1, "anchor names beginning with '_' cannot "
2393 "be modified from the command line");
2394
2395 switch (*clearopt) {
2396 case 'r':
2397 pfctl_clear_rules(dev, opts, anchorname);
2398 break;
2399 case 'n':
2400 pfctl_clear_nat(dev, opts, anchorname);
2401 break;
2402 case 'q':
2403 pfctl_clear_altq(dev, opts);
2404 break;
2405 case 's':
2406 pfctl_clear_states(dev, ifaceopt, opts);
2407 break;
2408 case 'S':
2409 pfctl_clear_src_nodes(dev, opts);
2410 break;
2411 case 'i':
2412 pfctl_clear_stats(dev, opts);
2413 break;
2414 case 'a':
2415 pfctl_clear_rules(dev, opts, anchorname);
2416 pfctl_clear_nat(dev, opts, anchorname);
2417 pfctl_clear_tables(anchorname, opts);
2418 if (!*anchorname) {
2419 pfctl_clear_altq(dev, opts);
2420 pfctl_clear_states(dev, ifaceopt, opts);
2421 pfctl_clear_src_nodes(dev, opts);
2422 pfctl_clear_stats(dev, opts);
2423 pfctl_clear_fingerprints(dev, opts);
2424 pfctl_clear_interface_flags(dev, opts);
2425 }
2426 break;
2427 case 'o':
2428 pfctl_clear_fingerprints(dev, opts);
2429 break;
2430 case 'T':
2431 pfctl_clear_tables(anchorname, opts);
2432 break;
2433 }
2434 }
2435 if (state_killers) {
2436 if (!strcmp(state_kill[0], "label"))
2437 pfctl_label_kill_states(dev, ifaceopt, opts);
2438 else if (!strcmp(state_kill[0], "id"))
2439 pfctl_id_kill_states(dev, ifaceopt, opts);
2440 else
2441 pfctl_net_kill_states(dev, ifaceopt, opts);
2442 }
2443
2444 if (src_node_killers)
2445 pfctl_kill_src_nodes(dev, ifaceopt, opts);
2446
2447 if (tblcmdopt != NULL) {
2448 error = pfctl_command_tables(argc, argv, tableopt,
2449 tblcmdopt, rulesopt, anchorname, opts);
2450 rulesopt = NULL;
2451 }
2452 if (optiopt != NULL) {
2453 switch (*optiopt) {
2454 case 'n':
2455 optimize = 0;
2456 break;
2457 case 'b':
2458 optimize |= PF_OPTIMIZE_BASIC;
2459 break;
2460 case 'o':
2461 case 'p':
2462 optimize |= PF_OPTIMIZE_PROFILE;
2463 break;
2464 }
2465 }
2466
2467 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) &&
2468 !anchorname[0] && !(opts & PF_OPT_NOACTION))
2469 if (pfctl_get_skip_ifaces())
2470 error = 1;
2471
2472 if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) &&
2473 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION))
2474 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE))
2475 error = 1;
2476
2477 if (rulesopt != NULL) {
2478 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL)
2479 errx(1, "anchor names beginning with '_' cannot "
2480 "be modified from the command line");
2481 if (pfctl_rules(dev, rulesopt, opts, optimize,
2482 anchorname, NULL))
2483 error = 1;
2484 else if (!(opts & PF_OPT_NOACTION) &&
2485 (loadopt & PFCTL_FLAG_TABLE))
2486 warn_namespace_collision(NULL);
2487 }
2488
2489 if (opts & PF_OPT_ENABLE)
2490 if (pfctl_enable(dev, opts))
2491 error = 1;
2492
2493 if (debugopt != NULL) {
2494 switch (*debugopt) {
2495 case 'n':
2496 pfctl_debug(dev, PF_DEBUG_NONE, opts);
2497 break;
2498 case 'u':
2499 pfctl_debug(dev, PF_DEBUG_URGENT, opts);
2500 break;
2501 case 'm':
2502 pfctl_debug(dev, PF_DEBUG_MISC, opts);
2503 break;
2504 case 'l':
2505 pfctl_debug(dev, PF_DEBUG_NOISY, opts);
2506 break;
2507 }
2508 }
2509
2510 exit(error);
2511 }
2512