1 /* $OpenBSD: pfctl.c,v 1.262 2007/03/01 17:20:53 deraadt Exp $ */
4 * Copyright (c) 2001 Daniel Hartmeier
5 * Copyright (c) 2002,2003 Henning Brauer
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * - Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * - Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer in the documentation and/or other materials provided
17 * with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
23 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/types.h>
38 #include <sys/ioctl.h>
39 #include <sys/socket.h>
43 #include <netinet/in.h>
44 #include <net/pfvar.h>
45 #include <arpa/inet.h>
46 #include <altq/altq.h>
47 #include <sys/sysctl.h>
59 #include "pfctl_parser.h"
63 #define HTONL(x) (x) = htonl((__uint32_t)(x))
67 int pfctl_enable(int, int);
68 int pfctl_disable(int, int);
69 int pfctl_clear_stats(int, int);
70 int pfctl_clear_interface_flags(int, int);
71 int pfctl_clear_rules(int, int, char *);
72 int pfctl_clear_nat(int, int, char *);
73 int pfctl_clear_altq(int, int);
74 int pfctl_clear_src_nodes(int, int);
75 int pfctl_clear_states(int, const char *, int);
76 void pfctl_addrprefix(char *, struct pf_addr *);
77 int pfctl_kill_src_nodes(int, const char *, int);
78 int pfctl_kill_states(int, const char *, int);
79 void pfctl_init_options(struct pfctl *);
80 int pfctl_load_options(struct pfctl *);
81 int pfctl_load_limit(struct pfctl *, unsigned int, unsigned int);
82 int pfctl_load_timeout(struct pfctl *, unsigned int, unsigned int);
83 int pfctl_load_debug(struct pfctl *, unsigned int);
84 int pfctl_load_logif(struct pfctl *, char *);
85 int pfctl_load_hostid(struct pfctl *, unsigned int);
86 int pfctl_get_pool(int, struct pf_pool *, u_int32_t, u_int32_t, int,
88 void pfctl_print_rule_counters(struct pf_rule *, int);
89 int pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int);
90 int pfctl_show_nat(int, int, char *);
91 int pfctl_show_src_nodes(int, int);
92 int pfctl_show_states(int, const char *, int);
93 int pfctl_show_status(int, int);
94 int pfctl_show_timeouts(int, int);
95 int pfctl_show_limits(int, int);
96 void pfctl_debug(int, u_int32_t, int);
97 int pfctl_test_altqsupport(int, int);
98 int pfctl_show_anchors(int, int, char *);
99 int pfctl_ruleset_trans(struct pfctl *, char *, struct pf_anchor *);
100 int pfctl_load_ruleset(struct pfctl *, char *,
101 struct pf_ruleset *, int, int);
102 int pfctl_load_rule(struct pfctl *, char *, struct pf_rule *, int);
103 const char *pfctl_lookup_option(char *, const char **);
105 struct pf_anchor_global pf_anchors;
106 struct pf_anchor pf_main_anchor;
108 const char *clearopt;
111 const char *debugopt;
113 const char *optiopt = NULL;
114 char *pf_device = "/dev/pf";
117 const char *tblcmdopt;
118 int src_node_killers;
119 char *src_node_kill[2];
131 #define INDENT(d, o) do { \
134 for (i=0; i < d; i++) \
140 static const struct {
144 { "states", PF_LIMIT_STATES },
145 { "src-nodes", PF_LIMIT_SRC_NODES },
146 { "frags", PF_LIMIT_FRAGS },
147 { "tables", PF_LIMIT_TABLES },
148 { "table-entries", PF_LIMIT_TABLE_ENTRIES },
156 static const struct pf_hint pf_hint_normal[] = {
157 { "tcp.first", 2 * 60 },
158 { "tcp.opening", 30 },
159 { "tcp.established", 24 * 60 * 60 },
160 { "tcp.closing", 15 * 60 },
161 { "tcp.finwait", 45 },
162 { "tcp.closed", 90 },
163 { "tcp.tsdiff", 30 },
166 static const struct pf_hint pf_hint_satellite[] = {
167 { "tcp.first", 3 * 60 },
168 { "tcp.opening", 30 + 5 },
169 { "tcp.established", 24 * 60 * 60 },
170 { "tcp.closing", 15 * 60 + 5 },
171 { "tcp.finwait", 45 + 5 },
172 { "tcp.closed", 90 + 5 },
173 { "tcp.tsdiff", 60 },
176 static const struct pf_hint pf_hint_conservative[] = {
177 { "tcp.first", 60 * 60 },
178 { "tcp.opening", 15 * 60 },
179 { "tcp.established", 5 * 24 * 60 * 60 },
180 { "tcp.closing", 60 * 60 },
181 { "tcp.finwait", 10 * 60 },
182 { "tcp.closed", 3 * 60 },
183 { "tcp.tsdiff", 60 },
186 static const struct pf_hint pf_hint_aggressive[] = {
188 { "tcp.opening", 5 },
189 { "tcp.established", 5 * 60 * 60 },
190 { "tcp.closing", 60 },
191 { "tcp.finwait", 30 },
192 { "tcp.closed", 30 },
193 { "tcp.tsdiff", 10 },
197 static const struct {
199 const struct pf_hint *hint;
201 { "normal", pf_hint_normal },
202 { "satellite", pf_hint_satellite },
203 { "high-latency", pf_hint_satellite },
204 { "conservative", pf_hint_conservative },
205 { "aggressive", pf_hint_aggressive },
209 static const char *clearopt_list[] = {
210 "nat", "queue", "rules", "Sources",
211 "state", "info", "Tables", "osfp", "all", NULL
214 static const char *showopt_list[] = {
215 "nat", "queue", "rules", "Anchors", "Sources", "state", "info",
216 "Interfaces", "labels", "timeouts", "memory", "Tables", "osfp",
220 static const char *tblcmdopt_list[] = {
221 "kill", "flush", "add", "delete", "load", "replace", "show",
222 "test", "zero", "expire", NULL
225 static const char *debugopt_list[] = {
226 "none", "urgent", "misc", "loud", NULL
229 static const char *optiopt_list[] = {
230 "o", "none", "basic", "profile", NULL
236 extern char *__progname;
238 fprintf(stderr, "usage: %s [-AdeghmNnOqRrvz] ", __progname);
239 fprintf(stderr, "[-a anchor] [-D macro=value] [-F modifier]\n");
240 fprintf(stderr, "\t[-f file] [-i interface] [-K host | network] ");
241 fprintf(stderr, "[-k host | network ]\n");
242 fprintf(stderr, "\t[-o [level]] [-p device] [-s modifier ]\n");
243 fprintf(stderr, "\t[-t table -T command [address ...]] [-x level]\n");
248 pfctl_enable(int dev, int opts)
250 if (ioctl(dev, DIOCSTART)) {
252 errx(1, "pf already enabled");
254 else if (errno == ESRCH)
255 errx(1, "pfil registeration failed");
260 if ((opts & PF_OPT_QUIET) == 0)
261 fprintf(stderr, "pf enabled\n");
263 if (altqsupport && ioctl(dev, DIOCSTARTALTQ))
265 err(1, "DIOCSTARTALTQ");
271 pfctl_disable(int dev, int opts)
273 if (ioctl(dev, DIOCSTOP)) {
275 errx(1, "pf not enabled");
279 if ((opts & PF_OPT_QUIET) == 0)
280 fprintf(stderr, "pf disabled\n");
282 if (altqsupport && ioctl(dev, DIOCSTOPALTQ))
284 err(1, "DIOCSTOPALTQ");
290 pfctl_clear_stats(int dev, int opts)
292 if (ioctl(dev, DIOCCLRSTATUS))
293 err(1, "DIOCCLRSTATUS");
294 if ((opts & PF_OPT_QUIET) == 0)
295 fprintf(stderr, "pf: statistics cleared\n");
300 pfctl_clear_interface_flags(int dev, int opts)
302 struct pfioc_iface pi;
304 if ((opts & PF_OPT_NOACTION) == 0) {
305 bzero(&pi, sizeof(pi));
306 pi.pfiio_flags = PFI_IFLAG_SKIP;
308 if (ioctl(dev, DIOCCLRIFFLAG, &pi))
309 err(1, "DIOCCLRIFFLAG");
310 if ((opts & PF_OPT_QUIET) == 0)
311 fprintf(stderr, "pf: interface flags reset\n");
317 pfctl_clear_rules(int dev, int opts, char *anchorname)
321 memset(&t, 0, sizeof(t));
322 t.pfrb_type = PFRB_TRANS;
323 if (pfctl_add_trans(&t, PF_RULESET_SCRUB, anchorname) ||
324 pfctl_add_trans(&t, PF_RULESET_FILTER, anchorname) ||
325 pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
326 pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
327 err(1, "pfctl_clear_rules");
328 if ((opts & PF_OPT_QUIET) == 0)
329 fprintf(stderr, "rules cleared\n");
334 pfctl_clear_nat(int dev, int opts, char *anchorname)
338 memset(&t, 0, sizeof(t));
339 t.pfrb_type = PFRB_TRANS;
340 if (pfctl_add_trans(&t, PF_RULESET_NAT, anchorname) ||
341 pfctl_add_trans(&t, PF_RULESET_BINAT, anchorname) ||
342 pfctl_add_trans(&t, PF_RULESET_RDR, anchorname) ||
343 pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
344 pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
345 err(1, "pfctl_clear_nat");
346 if ((opts & PF_OPT_QUIET) == 0)
347 fprintf(stderr, "nat cleared\n");
352 pfctl_clear_altq(int dev, int opts)
358 memset(&t, 0, sizeof(t));
359 t.pfrb_type = PFRB_TRANS;
360 if (pfctl_add_trans(&t, PF_RULESET_ALTQ, "") ||
361 pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
362 pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
363 err(1, "pfctl_clear_altq");
364 if ((opts & PF_OPT_QUIET) == 0)
365 fprintf(stderr, "altq cleared\n");
370 pfctl_clear_src_nodes(int dev, int opts)
372 if (ioctl(dev, DIOCCLRSRCNODES))
373 err(1, "DIOCCLRSRCNODES");
374 if ((opts & PF_OPT_QUIET) == 0)
375 fprintf(stderr, "source tracking entries cleared\n");
380 pfctl_clear_states(int dev, const char *iface, int opts)
382 struct pfioc_state_kill psk;
384 memset(&psk, 0, sizeof(psk));
385 if (iface != NULL && strlcpy(psk.psk_ifname, iface,
386 sizeof(psk.psk_ifname)) >= sizeof(psk.psk_ifname))
387 errx(1, "invalid interface: %s", iface);
389 if (ioctl(dev, DIOCCLRSTATES, &psk))
390 err(1, "DIOCCLRSTATES");
391 if ((opts & PF_OPT_QUIET) == 0)
392 fprintf(stderr, "%d states cleared\n", psk.psk_af);
397 pfctl_addrprefix(char *addr, struct pf_addr *mask)
401 int prefix, ret_ga, q, r;
402 struct addrinfo hints, *res;
404 if ((p = strchr(addr, '/')) == NULL)
408 prefix = strtonum(p, 0, 128, &errstr);
410 errx(1, "prefix is %s: %s", errstr, p);
412 bzero(&hints, sizeof(hints));
413 /* prefix only with numeric addresses */
414 hints.ai_flags |= AI_NUMERICHOST;
416 if ((ret_ga = getaddrinfo(addr, NULL, &hints, &res))) {
417 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
421 if (res->ai_family == AF_INET && prefix > 32)
422 errx(1, "prefix too long for AF_INET");
423 else if (res->ai_family == AF_INET6 && prefix > 128)
424 errx(1, "prefix too long for AF_INET6");
428 switch (res->ai_family) {
430 bzero(&mask->v4, sizeof(mask->v4));
431 mask->v4.s_addr = htonl((u_int32_t)
432 (0xffffffffffULL << (32 - prefix)));
435 bzero(&mask->v6, sizeof(mask->v6));
437 memset((void *)&mask->v6, 0xff, q);
439 *((u_char *)&mask->v6 + q) =
440 (0xff00 >> r) & 0xff;
447 pfctl_kill_src_nodes(int dev, const char *iface, int opts)
449 struct pfioc_src_node_kill psnk;
450 struct addrinfo *res[2], *resp[2];
451 struct sockaddr last_src, last_dst;
452 int killed, sources, dests;
455 killed = sources = dests = 0;
457 memset(&psnk, 0, sizeof(psnk));
458 memset(&psnk.psnk_src.addr.v.a.mask, 0xff,
459 sizeof(psnk.psnk_src.addr.v.a.mask));
460 memset(&last_src, 0xff, sizeof(last_src));
461 memset(&last_dst, 0xff, sizeof(last_dst));
463 pfctl_addrprefix(src_node_kill[0], &psnk.psnk_src.addr.v.a.mask);
465 if ((ret_ga = getaddrinfo(src_node_kill[0], NULL, NULL, &res[0]))) {
466 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
469 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) {
470 if (resp[0]->ai_addr == NULL)
472 /* We get lots of duplicates. Catch the easy ones */
473 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0)
475 last_src = *(struct sockaddr *)resp[0]->ai_addr;
477 psnk.psnk_af = resp[0]->ai_family;
480 if (psnk.psnk_af == AF_INET)
481 psnk.psnk_src.addr.v.a.addr.v4 =
482 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr;
483 else if (psnk.psnk_af == AF_INET6)
484 psnk.psnk_src.addr.v.a.addr.v6 =
485 ((struct sockaddr_in6 *)resp[0]->ai_addr)->
488 errx(1, "Unknown address family %d", psnk.psnk_af);
490 if (src_node_killers > 1) {
492 memset(&psnk.psnk_dst.addr.v.a.mask, 0xff,
493 sizeof(psnk.psnk_dst.addr.v.a.mask));
494 memset(&last_dst, 0xff, sizeof(last_dst));
495 pfctl_addrprefix(src_node_kill[1],
496 &psnk.psnk_dst.addr.v.a.mask);
497 if ((ret_ga = getaddrinfo(src_node_kill[1], NULL, NULL,
499 errx(1, "getaddrinfo: %s",
500 gai_strerror(ret_ga));
503 for (resp[1] = res[1]; resp[1];
504 resp[1] = resp[1]->ai_next) {
505 if (resp[1]->ai_addr == NULL)
507 if (psnk.psnk_af != resp[1]->ai_family)
510 if (memcmp(&last_dst, resp[1]->ai_addr,
511 sizeof(last_dst)) == 0)
513 last_dst = *(struct sockaddr *)resp[1]->ai_addr;
517 if (psnk.psnk_af == AF_INET)
518 psnk.psnk_dst.addr.v.a.addr.v4 =
519 ((struct sockaddr_in *)resp[1]->
521 else if (psnk.psnk_af == AF_INET6)
522 psnk.psnk_dst.addr.v.a.addr.v6 =
523 ((struct sockaddr_in6 *)resp[1]->
526 errx(1, "Unknown address family %d",
529 if (ioctl(dev, DIOCKILLSRCNODES, &psnk))
530 err(1, "DIOCKILLSRCNODES");
531 killed += psnk.psnk_af;
532 /* fixup psnk.psnk_af */
533 psnk.psnk_af = resp[1]->ai_family;
535 freeaddrinfo(res[1]);
537 if (ioctl(dev, DIOCKILLSRCNODES, &psnk))
538 err(1, "DIOCKILLSRCNODES");
539 killed += psnk.psnk_af;
540 /* fixup psnk.psnk_af */
541 psnk.psnk_af = res[0]->ai_family;
545 freeaddrinfo(res[0]);
547 if ((opts & PF_OPT_QUIET) == 0)
548 fprintf(stderr, "killed %d src nodes from %d sources and %d "
549 "destinations\n", killed, sources, dests);
554 pfctl_kill_states(int dev, const char *iface, int opts)
556 struct pfioc_state_kill psk;
557 struct addrinfo *res[2], *resp[2];
558 struct sockaddr last_src, last_dst;
559 int killed, sources, dests;
562 killed = sources = dests = 0;
564 memset(&psk, 0, sizeof(psk));
565 memset(&psk.psk_src.addr.v.a.mask, 0xff,
566 sizeof(psk.psk_src.addr.v.a.mask));
567 memset(&last_src, 0xff, sizeof(last_src));
568 memset(&last_dst, 0xff, sizeof(last_dst));
569 if (iface != NULL && strlcpy(psk.psk_ifname, iface,
570 sizeof(psk.psk_ifname)) >= sizeof(psk.psk_ifname))
571 errx(1, "invalid interface: %s", iface);
573 pfctl_addrprefix(state_kill[0], &psk.psk_src.addr.v.a.mask);
575 if ((ret_ga = getaddrinfo(state_kill[0], NULL, NULL, &res[0]))) {
576 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
579 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) {
580 if (resp[0]->ai_addr == NULL)
582 /* We get lots of duplicates. Catch the easy ones */
583 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0)
585 last_src = *(struct sockaddr *)resp[0]->ai_addr;
587 psk.psk_af = resp[0]->ai_family;
590 if (psk.psk_af == AF_INET)
591 psk.psk_src.addr.v.a.addr.v4 =
592 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr;
593 else if (psk.psk_af == AF_INET6)
594 psk.psk_src.addr.v.a.addr.v6 =
595 ((struct sockaddr_in6 *)resp[0]->ai_addr)->
598 errx(1, "Unknown address family %d", psk.psk_af);
600 if (state_killers > 1) {
602 memset(&psk.psk_dst.addr.v.a.mask, 0xff,
603 sizeof(psk.psk_dst.addr.v.a.mask));
604 memset(&last_dst, 0xff, sizeof(last_dst));
605 pfctl_addrprefix(state_kill[1],
606 &psk.psk_dst.addr.v.a.mask);
607 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL,
609 errx(1, "getaddrinfo: %s",
610 gai_strerror(ret_ga));
613 for (resp[1] = res[1]; resp[1];
614 resp[1] = resp[1]->ai_next) {
615 if (resp[1]->ai_addr == NULL)
617 if (psk.psk_af != resp[1]->ai_family)
620 if (memcmp(&last_dst, resp[1]->ai_addr,
621 sizeof(last_dst)) == 0)
623 last_dst = *(struct sockaddr *)resp[1]->ai_addr;
627 if (psk.psk_af == AF_INET)
628 psk.psk_dst.addr.v.a.addr.v4 =
629 ((struct sockaddr_in *)resp[1]->
631 else if (psk.psk_af == AF_INET6)
632 psk.psk_dst.addr.v.a.addr.v6 =
633 ((struct sockaddr_in6 *)resp[1]->
636 errx(1, "Unknown address family %d",
639 if (ioctl(dev, DIOCKILLSTATES, &psk))
640 err(1, "DIOCKILLSTATES");
641 killed += psk.psk_af;
642 /* fixup psk.psk_af */
643 psk.psk_af = resp[1]->ai_family;
645 freeaddrinfo(res[1]);
647 if (ioctl(dev, DIOCKILLSTATES, &psk))
648 err(1, "DIOCKILLSTATES");
649 killed += psk.psk_af;
650 /* fixup psk.psk_af */
651 psk.psk_af = res[0]->ai_family;
655 freeaddrinfo(res[0]);
657 if ((opts & PF_OPT_QUIET) == 0)
658 fprintf(stderr, "killed %d states from %d sources and %d "
659 "destinations\n", killed, sources, dests);
664 pfctl_get_pool(int dev, struct pf_pool *pool, u_int32_t nr,
665 u_int32_t ticket, int r_action, char *anchorname)
667 struct pfioc_pooladdr pp;
668 struct pf_pooladdr *pa;
671 memset(&pp, 0, sizeof(pp));
672 memcpy(pp.anchor, anchorname, sizeof(pp.anchor));
673 pp.r_action = r_action;
676 if (ioctl(dev, DIOCGETADDRS, &pp)) {
677 warn("DIOCGETADDRS");
681 TAILQ_INIT(&pool->list);
682 for (pnr = 0; pnr < mpnr; ++pnr) {
684 if (ioctl(dev, DIOCGETADDR, &pp)) {
688 pa = calloc(1, sizeof(struct pf_pooladdr));
691 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr));
692 TAILQ_INSERT_TAIL(&pool->list, pa, entries);
699 pfctl_move_pool(struct pf_pool *src, struct pf_pool *dst)
701 struct pf_pooladdr *pa;
703 while ((pa = TAILQ_FIRST(&src->list)) != NULL) {
704 TAILQ_REMOVE(&src->list, pa, entries);
705 TAILQ_INSERT_TAIL(&dst->list, pa, entries);
710 pfctl_clear_pool(struct pf_pool *pool)
712 struct pf_pooladdr *pa;
714 while ((pa = TAILQ_FIRST(&pool->list)) != NULL) {
715 TAILQ_REMOVE(&pool->list, pa, entries);
721 pfctl_print_rule_counters(struct pf_rule *rule, int opts)
723 if (opts & PF_OPT_DEBUG) {
724 const char *t[PF_SKIP_COUNT] = { "i", "d", "f",
725 "p", "sa", "sp", "da", "dp" };
728 printf(" [ Skip steps: ");
729 for (i = 0; i < PF_SKIP_COUNT; ++i) {
730 if (rule->skip[i].nr == rule->nr + 1)
733 if (rule->skip[i].nr == -1)
736 printf("%u ", rule->skip[i].nr);
740 printf(" [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n",
741 rule->qname, rule->qid, rule->pqname, rule->pqid);
743 if (opts & PF_OPT_VERBOSE) {
744 printf(" [ Evaluations: %-8llu Packets: %-8llu "
745 "Bytes: %-10llu States: %-6u]\n",
746 (unsigned long long)rule->evaluations,
747 (unsigned long long)(rule->packets[0] +
749 (unsigned long long)(rule->bytes[0] +
750 rule->bytes[1]), rule->states);
751 if (!(opts & PF_OPT_DEBUG))
752 printf(" [ Inserted: uid %u pid %u ]\n",
753 (unsigned)rule->cuid, (unsigned)rule->cpid);
758 pfctl_print_title(char *title)
763 printf("%s\n", title);
767 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format,
768 char *anchorname, int depth)
770 struct pfioc_rule pr;
771 u_int32_t nr, mnr, header = 0;
772 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG);
773 int len = strlen(path);
778 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname);
780 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname);
782 memset(&pr, 0, sizeof(pr));
783 memcpy(pr.anchor, path, sizeof(pr.anchor));
784 if (opts & PF_OPT_SHOWALL) {
785 pr.rule.action = PF_PASS;
786 if (ioctl(dev, DIOCGETRULES, &pr)) {
787 warn("DIOCGETRULES");
792 pr.rule.action = PF_SCRUB;
793 if (ioctl(dev, DIOCGETRULES, &pr)) {
794 warn("DIOCGETRULES");
797 if (opts & PF_OPT_SHOWALL) {
798 if (format == PFCTL_SHOW_RULES && (pr.nr > 0 || header))
799 pfctl_print_title("FILTER RULES:");
800 else if (format == PFCTL_SHOW_LABELS && labels)
801 pfctl_print_title("LABEL COUNTERS:");
804 if (opts & PF_OPT_CLRRULECTRS)
805 pr.action = PF_GET_CLR_CNTR;
807 for (nr = 0; nr < mnr; ++nr) {
809 if (ioctl(dev, DIOCGETRULE, &pr)) {
814 if (pfctl_get_pool(dev, &pr.rule.rpool,
815 nr, pr.ticket, PF_SCRUB, path) != 0)
819 case PFCTL_SHOW_LABELS:
820 if (pr.rule.label[0]) {
821 printf("%s ", pr.rule.label);
822 printf("%llu %llu %llu %llu %llu %llu %llu\n",
823 (unsigned long long)pr.rule.evaluations,
824 (unsigned long long)(pr.rule.packets[0] +
826 (unsigned long long)(pr.rule.bytes[0] +
828 (unsigned long long)pr.rule.packets[0],
829 (unsigned long long)pr.rule.bytes[0],
830 (unsigned long long)pr.rule.packets[1],
831 (unsigned long long)pr.rule.bytes[1]);
834 case PFCTL_SHOW_RULES:
835 if (pr.rule.label[0] && (opts & PF_OPT_SHOWALL))
837 print_rule(&pr.rule, pr.anchor_call, rule_numbers);
839 pfctl_print_rule_counters(&pr.rule, opts);
841 case PFCTL_SHOW_NOTHING:
844 pfctl_clear_pool(&pr.rule.rpool);
846 pr.rule.action = PF_PASS;
847 if (ioctl(dev, DIOCGETRULES, &pr)) {
848 warn("DIOCGETRULES");
852 for (nr = 0; nr < mnr; ++nr) {
854 if (ioctl(dev, DIOCGETRULE, &pr)) {
859 if (pfctl_get_pool(dev, &pr.rule.rpool,
860 nr, pr.ticket, PF_PASS, path) != 0)
864 case PFCTL_SHOW_LABELS:
865 if (pr.rule.label[0]) {
866 printf("%s ", pr.rule.label);
867 printf("%llu %llu %llu %llu %llu %llu %llu\n",
868 (unsigned long long)pr.rule.evaluations,
869 (unsigned long long)(pr.rule.packets[0] +
871 (unsigned long long)(pr.rule.bytes[0] +
873 (unsigned long long)pr.rule.packets[0],
874 (unsigned long long)pr.rule.bytes[0],
875 (unsigned long long)pr.rule.packets[1],
876 (unsigned long long)pr.rule.bytes[1]);
879 case PFCTL_SHOW_RULES:
881 if (pr.rule.label[0] && (opts & PF_OPT_SHOWALL))
883 INDENT(depth, !(opts & PF_OPT_VERBOSE));
884 if (pr.anchor_call[0] &&
885 ((((p = strrchr(pr.anchor_call, '_')) != NULL) &&
886 ((void *)p == (void *)pr.anchor_call ||
887 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) {
889 if ((p = strrchr(pr.anchor_call, '/')) !=
893 p = &pr.anchor_call[0];
895 p = &pr.anchor_call[0];
897 print_rule(&pr.rule, p, rule_numbers);
902 pfctl_print_rule_counters(&pr.rule, opts);
904 pfctl_show_rules(dev, path, opts, format,
906 INDENT(depth, !(opts & PF_OPT_VERBOSE));
910 case PFCTL_SHOW_NOTHING:
913 pfctl_clear_pool(&pr.rule.rpool);
924 pfctl_show_nat(int dev, int opts, char *anchorname)
926 struct pfioc_rule pr;
928 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT };
929 int i, dotitle = opts & PF_OPT_SHOWALL;
931 memset(&pr, 0, sizeof(pr));
932 memcpy(pr.anchor, anchorname, sizeof(pr.anchor));
933 for (i = 0; i < 3; i++) {
934 pr.rule.action = nattype[i];
935 if (ioctl(dev, DIOCGETRULES, &pr)) {
936 warn("DIOCGETRULES");
940 for (nr = 0; nr < mnr; ++nr) {
942 if (ioctl(dev, DIOCGETRULE, &pr)) {
946 if (pfctl_get_pool(dev, &pr.rule.rpool, nr,
947 pr.ticket, nattype[i], anchorname) != 0)
950 pfctl_print_title("TRANSLATION RULES:");
953 print_rule(&pr.rule, pr.anchor_call,
954 opts & PF_OPT_VERBOSE2);
956 pfctl_print_rule_counters(&pr.rule, opts);
957 pfctl_clear_pool(&pr.rule.rpool);
964 pfctl_show_src_nodes(int dev, int opts)
966 struct pfioc_src_nodes psn;
967 struct pf_src_node *p;
968 char *inbuf = NULL, *newinbuf = NULL;
972 memset(&psn, 0, sizeof(psn));
976 newinbuf = realloc(inbuf, len);
977 if (newinbuf == NULL)
979 psn.psn_buf = inbuf = newinbuf;
981 if (ioctl(dev, DIOCGETSRCNODES, &psn) < 0) {
982 warn("DIOCGETSRCNODES");
986 if (psn.psn_len + sizeof(struct pfioc_src_nodes) < len)
988 if (len == 0 && psn.psn_len == 0)
990 if (len == 0 && psn.psn_len != 0)
992 if (psn.psn_len == 0)
993 goto done; /* no src_nodes */
996 p = psn.psn_src_nodes;
997 if (psn.psn_len > 0 && (opts & PF_OPT_SHOWALL))
998 pfctl_print_title("SOURCE TRACKING NODES:");
999 for (i = 0; i < psn.psn_len; i += sizeof(*p)) {
1000 print_src_node(p, opts);
1009 pfctl_show_states(int dev, const char *iface, int opts)
1011 struct pfioc_states ps;
1013 char *inbuf = NULL, *newinbuf = NULL;
1015 int i, dotitle = (opts & PF_OPT_SHOWALL);
1017 memset(&ps, 0, sizeof(ps));
1021 newinbuf = realloc(inbuf, len);
1022 if (newinbuf == NULL)
1024 ps.ps_buf = inbuf = newinbuf;
1026 if (ioctl(dev, DIOCGETSTATES, &ps) < 0) {
1027 warn("DIOCGETSTATES");
1031 if (ps.ps_len + sizeof(struct pfioc_states) < len)
1033 if (len == 0 && ps.ps_len == 0)
1035 if (len == 0 && ps.ps_len != 0)
1038 goto done; /* no states */
1042 for (i = 0; i < ps.ps_len; i += sizeof(*p), p++) {
1043 if (iface != NULL && strcmp(p->u.ifname, iface))
1046 pfctl_print_title("STATES:");
1049 print_state(p, opts);
1057 pfctl_show_status(int dev, int opts)
1059 struct pf_status status;
1061 if (ioctl(dev, DIOCGETSTATUS, &status)) {
1062 warn("DIOCGETSTATUS");
1065 if (opts & PF_OPT_SHOWALL)
1066 pfctl_print_title("INFO:");
1067 print_status(&status, opts);
1072 pfctl_show_timeouts(int dev, int opts)
1077 if (opts & PF_OPT_SHOWALL)
1078 pfctl_print_title("TIMEOUTS:");
1079 memset(&pt, 0, sizeof(pt));
1080 for (i = 0; pf_timeouts[i].name; i++) {
1081 pt.timeout = pf_timeouts[i].timeout;
1082 if (ioctl(dev, DIOCGETTIMEOUT, &pt))
1083 err(1, "DIOCGETTIMEOUT");
1084 printf("%-20s %10d", pf_timeouts[i].name, pt.seconds);
1085 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START &&
1086 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END)
1097 pfctl_show_limits(int dev, int opts)
1099 struct pfioc_limit pl;
1102 if (opts & PF_OPT_SHOWALL)
1103 pfctl_print_title("LIMITS:");
1104 memset(&pl, 0, sizeof(pl));
1105 for (i = 0; pf_limits[i].name; i++) {
1106 pl.index = pf_limits[i].index;
1107 if (ioctl(dev, DIOCGETLIMIT, &pl))
1108 err(1, "DIOCGETLIMIT");
1109 printf("%-13s ", pf_limits[i].name);
1110 if (pl.limit == UINT_MAX)
1111 printf("unlimited\n");
1113 printf("hard limit %8u\n", pl.limit);
1118 /* callbacks for rule/nat/rdr/addr */
1120 pfctl_add_pool(struct pfctl *pf, struct pf_pool *p, sa_family_t af)
1122 struct pf_pooladdr *pa;
1124 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1125 if (ioctl(pf->dev, DIOCBEGINADDRS, &pf->paddr))
1126 err(1, "DIOCBEGINADDRS");
1130 TAILQ_FOREACH(pa, &p->list, entries) {
1131 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr));
1132 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1133 if (ioctl(pf->dev, DIOCADDADDR, &pf->paddr))
1134 err(1, "DIOCADDADDR");
1141 pfctl_add_rule(struct pfctl *pf, struct pf_rule *r, const char *anchor_call)
1144 struct pf_rule *rule;
1145 struct pf_ruleset *rs;
1148 rs_num = pf_get_ruleset_number(r->action);
1149 if (rs_num == PF_RULESET_MAX)
1150 errx(1, "Invalid rule type %d", r->action);
1152 rs = &pf->anchor->ruleset;
1154 if (anchor_call[0] && r->anchor == NULL) {
1156 * Don't make non-brace anchors part of the main anchor pool.
1158 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL)
1159 err(1, "pfctl_add_rule: calloc");
1161 pf_init_ruleset(&r->anchor->ruleset);
1162 r->anchor->ruleset.anchor = r->anchor;
1163 if (strlcpy(r->anchor->path, anchor_call,
1164 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path))
1165 errx(1, "pfctl_add_rule: strlcpy");
1166 if ((p = strrchr(anchor_call, '/')) != NULL) {
1168 err(1, "pfctl_add_rule: bad anchor name %s",
1171 p = (char *)anchor_call;
1172 if (strlcpy(r->anchor->name, p,
1173 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name))
1174 errx(1, "pfctl_add_rule: strlcpy");
1177 if ((rule = calloc(1, sizeof(*rule))) == NULL)
1179 bcopy(r, rule, sizeof(*rule));
1180 TAILQ_INIT(&rule->rpool.list);
1181 pfctl_move_pool(&r->rpool, &rule->rpool);
1183 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries);
1188 pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pf_anchor *a)
1190 int osize = pf->trans->pfrb_size;
1192 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) {
1193 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) ||
1194 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) ||
1195 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path))
1198 if (a == pf->astack[0] && ((altqsupport &&
1199 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) {
1200 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path))
1203 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) {
1204 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) ||
1205 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path))
1208 if (pf->loadopt & PFCTL_FLAG_TABLE)
1209 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path))
1211 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize))
1218 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pf_ruleset *rs,
1219 int rs_num, int depth)
1222 int error, len = strlen(path);
1225 pf->anchor = rs->anchor;
1228 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name);
1230 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name);
1233 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) {
1235 if (pf->opts & PF_OPT_VERBOSE)
1237 if ((pf->opts & PF_OPT_NOACTION) == 0 &&
1238 (error = pfctl_ruleset_trans(pf,
1239 path, rs->anchor))) {
1240 printf("pfctl_load_rulesets: "
1241 "pfctl_ruleset_trans %d\n", error);
1244 } else if (pf->opts & PF_OPT_VERBOSE)
1249 if (pf->optimize && rs_num == PF_RULESET_FILTER)
1250 pfctl_optimize_ruleset(pf, rs);
1252 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) {
1253 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries);
1254 if ((error = pfctl_load_rule(pf, path, r, depth)))
1257 if ((error = pfctl_load_ruleset(pf, path,
1258 &r->anchor->ruleset, rs_num, depth + 1)))
1260 } else if (pf->opts & PF_OPT_VERBOSE)
1264 if (brace && pf->opts & PF_OPT_VERBOSE) {
1265 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE));
1278 pfctl_load_rule(struct pfctl *pf, char *path, struct pf_rule *r, int depth)
1280 u_int8_t rs_num = pf_get_ruleset_number(r->action);
1282 struct pfioc_rule pr;
1283 int len = strlen(path);
1285 bzero(&pr, sizeof(pr));
1286 /* set up anchor before adding to path for anchor_call */
1287 if ((pf->opts & PF_OPT_NOACTION) == 0)
1288 pr.ticket = pfctl_get_ticket(pf->trans, rs_num, path);
1289 if (strlcpy(pr.anchor, path, sizeof(pr.anchor)) >= sizeof(pr.anchor))
1290 errx(1, "pfctl_load_rule: strlcpy");
1293 if (r->anchor->match) {
1295 snprintf(&path[len], MAXPATHLEN - len,
1296 "/%s", r->anchor->name);
1298 snprintf(&path[len], MAXPATHLEN - len,
1299 "%s", r->anchor->name);
1302 name = r->anchor->path;
1306 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1307 if (pfctl_add_pool(pf, &r->rpool, r->af))
1309 pr.pool_ticket = pf->paddr.ticket;
1310 memcpy(&pr.rule, r, sizeof(pr.rule));
1311 if (r->anchor && strlcpy(pr.anchor_call, name,
1312 sizeof(pr.anchor_call)) >= sizeof(pr.anchor_call))
1313 errx(1, "pfctl_load_rule: strlcpy");
1314 if (ioctl(pf->dev, DIOCADDRULE, &pr))
1315 err(1, "DIOCADDRULE");
1318 if (pf->opts & PF_OPT_VERBOSE) {
1319 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2));
1320 print_rule(r, r->anchor ? r->anchor->name : "",
1321 pf->opts & PF_OPT_VERBOSE2);
1324 pfctl_clear_pool(&r->rpool);
1329 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a)
1332 (loadopt & PFCTL_FLAG_ALTQ) != 0) {
1333 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq));
1334 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1335 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) {
1337 errx(1, "qtype not configured");
1338 else if (errno == ENODEV)
1339 errx(1, "%s: driver does not support "
1342 err(1, "DIOCADDALTQ");
1345 pfaltq_store(&pf->paltq->altq);
1351 pfctl_rules(int dev, char *filename, FILE *fin, int opts, int optimize,
1352 char *anchorname, struct pfr_buffer *trans)
1354 #define ERR(x) do { warn(x); goto _error; } while(0)
1355 #define ERRX(x) do { warnx(x); goto _error; } while(0)
1357 struct pfr_buffer *t, buf;
1358 struct pfioc_altq pa;
1360 struct pf_ruleset *rs;
1361 struct pfr_table trs;
1365 RB_INIT(&pf_anchors);
1366 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor));
1367 pf_init_ruleset(&pf_main_anchor.ruleset);
1368 pf_main_anchor.ruleset.anchor = &pf_main_anchor;
1369 if (trans == NULL) {
1370 bzero(&buf, sizeof(buf));
1371 buf.pfrb_type = PFRB_TRANS;
1376 osize = t->pfrb_size;
1379 memset(&pa, 0, sizeof(pa));
1380 memset(&pf, 0, sizeof(pf));
1381 memset(&trs, 0, sizeof(trs));
1382 if ((path = calloc(1, MAXPATHLEN)) == NULL)
1383 ERRX("pfctl_rules: calloc");
1384 if (strlcpy(trs.pfrt_anchor, anchorname,
1385 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor))
1386 ERRX("pfctl_rules: strlcpy");
1390 pf.optimize = optimize;
1391 pf.loadopt = loadopt;
1393 /* non-brace anchor, create without resolving the path */
1394 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL)
1395 ERRX("pfctl_rules: calloc");
1396 rs = &pf.anchor->ruleset;
1397 pf_init_ruleset(rs);
1398 rs->anchor = pf.anchor;
1399 if (strlcpy(pf.anchor->path, anchorname,
1400 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path))
1401 errx(1, "pfctl_add_rule: strlcpy");
1402 if (strlcpy(pf.anchor->name, anchorname,
1403 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name))
1404 errx(1, "pfctl_add_rule: strlcpy");
1407 pf.astack[0] = pf.anchor;
1410 pf.loadopt &= ~PFCTL_FLAG_ALTQ;
1413 pfctl_init_options(&pf);
1415 if ((opts & PF_OPT_NOACTION) == 0) {
1417 * XXX For the time being we need to open transactions for
1418 * the main ruleset before parsing, because tables are still
1419 * loaded at parse time.
1421 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor))
1422 ERRX("pfctl_rules");
1423 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ))
1425 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname);
1426 if (pf.loadopt & PFCTL_FLAG_TABLE)
1427 pf.astack[0]->ruleset.tticket =
1428 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname);
1431 if (parse_rules(fin, &pf) < 0) {
1432 if ((opts & PF_OPT_NOACTION) == 0)
1433 ERRX("Syntax error in config file: "
1434 "pf rules not loaded");
1439 if ((pf.loadopt & PFCTL_FLAG_FILTER &&
1440 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) ||
1441 (pf.loadopt & PFCTL_FLAG_NAT &&
1442 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) ||
1443 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) ||
1444 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) ||
1445 (pf.loadopt & PFCTL_FLAG_FILTER &&
1446 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) {
1447 if ((opts & PF_OPT_NOACTION) == 0)
1448 ERRX("Unable to load rules into kernel");
1453 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0))
1454 if (check_commit_altq(dev, opts) != 0)
1455 ERRX("errors in altq config");
1462 /* process "load anchor" directives */
1464 if (pfctl_load_anchors(dev, &pf, t) == -1)
1465 ERRX("load anchors");
1467 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) {
1469 if (pfctl_load_options(&pf))
1471 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize))
1477 if (trans == NULL) { /* main ruleset */
1478 if ((opts & PF_OPT_NOACTION) == 0)
1479 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize))
1480 err(1, "DIOCXROLLBACK");
1482 } else { /* sub ruleset */
1483 if (fin != NULL && fin != stdin)
1493 pfctl_fopen(const char *name, const char *mode)
1498 fp = fopen(name, mode);
1501 if (fstat(fileno(fp), &st)) {
1505 if (S_ISDIR(st.st_mode)) {
1514 pfctl_init_options(struct pfctl *pf)
1519 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL;
1520 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL;
1521 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL;
1522 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL;
1523 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL;
1524 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL;
1525 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL;
1526 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL;
1527 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL;
1528 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL;
1529 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL;
1530 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL;
1531 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL;
1532 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL;
1533 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL;
1534 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL;
1535 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL;
1536 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL;
1537 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START;
1538 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END;
1540 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT;
1541 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT;
1542 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT;
1543 pf->limit[PF_LIMIT_TABLES] = PFR_KTABLE_HIWAT;
1544 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT;
1547 mib[1] = HW_PHYSMEM;
1549 (void) sysctl(mib, 2, &mem, &size, NULL, 0);
1550 if (mem <= 100*1024*1024)
1551 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT_SMALL;
1553 pf->debug = PF_DEBUG_URGENT;
1557 pfctl_load_options(struct pfctl *pf)
1561 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1565 for (i = 0; i < PF_LIMIT_MAX; i++) {
1566 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i])
1568 if (pfctl_load_limit(pf, i, pf->limit[i]))
1573 * If we've set the limit, but havn't explicitly set adaptive
1574 * timeouts, do it now with a start of 60% and end of 120%.
1576 if (pf->limit_set[PF_LIMIT_STATES] &&
1577 !pf->timeout_set[PFTM_ADAPTIVE_START] &&
1578 !pf->timeout_set[PFTM_ADAPTIVE_END]) {
1579 pf->timeout[PFTM_ADAPTIVE_START] =
1580 (pf->limit[PF_LIMIT_STATES] / 10) * 6;
1581 pf->timeout_set[PFTM_ADAPTIVE_START] = 1;
1582 pf->timeout[PFTM_ADAPTIVE_END] =
1583 (pf->limit[PF_LIMIT_STATES] / 10) * 12;
1584 pf->timeout_set[PFTM_ADAPTIVE_END] = 1;
1588 for (i = 0; i < PFTM_MAX; i++) {
1589 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i])
1591 if (pfctl_load_timeout(pf, i, pf->timeout[i]))
1596 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set)
1597 if (pfctl_load_debug(pf, pf->debug))
1601 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set)
1602 if (pfctl_load_logif(pf, pf->ifname))
1606 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set)
1607 if (pfctl_load_hostid(pf, pf->hostid))
1614 pfctl_set_limit(struct pfctl *pf, const char *opt, unsigned int limit)
1619 for (i = 0; pf_limits[i].name; i++) {
1620 if (strcasecmp(opt, pf_limits[i].name) == 0) {
1621 pf->limit[pf_limits[i].index] = limit;
1622 pf->limit_set[pf_limits[i].index] = 1;
1626 if (pf_limits[i].name == NULL) {
1627 warnx("Bad pool name.");
1631 if (pf->opts & PF_OPT_VERBOSE)
1632 printf("set limit %s %d\n", opt, limit);
1638 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit)
1640 struct pfioc_limit pl;
1642 memset(&pl, 0, sizeof(pl));
1645 if (ioctl(pf->dev, DIOCSETLIMIT, &pl)) {
1647 warnx("Current pool size exceeds requested hard limit");
1649 warnx("DIOCSETLIMIT");
1656 pfctl_set_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet)
1660 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1663 for (i = 0; pf_timeouts[i].name; i++) {
1664 if (strcasecmp(opt, pf_timeouts[i].name) == 0) {
1665 pf->timeout[pf_timeouts[i].timeout] = seconds;
1666 pf->timeout_set[pf_timeouts[i].timeout] = 1;
1671 if (pf_timeouts[i].name == NULL) {
1672 warnx("Bad timeout name.");
1677 if (pf->opts & PF_OPT_VERBOSE && ! quiet)
1678 printf("set timeout %s %d\n", opt, seconds);
1684 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds)
1688 memset(&pt, 0, sizeof(pt));
1689 pt.timeout = timeout;
1690 pt.seconds = seconds;
1691 if (ioctl(pf->dev, DIOCSETTIMEOUT, &pt)) {
1692 warnx("DIOCSETTIMEOUT");
1699 pfctl_set_optimization(struct pfctl *pf, const char *opt)
1701 const struct pf_hint *hint;
1704 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1707 for (i = 0; pf_hints[i].name; i++)
1708 if (strcasecmp(opt, pf_hints[i].name) == 0)
1711 hint = pf_hints[i].hint;
1713 warnx("invalid state timeouts optimization");
1717 for (i = 0; hint[i].name; i++)
1718 if ((r = pfctl_set_timeout(pf, hint[i].name,
1719 hint[i].timeout, 1)))
1722 if (pf->opts & PF_OPT_VERBOSE)
1723 printf("set optimization %s\n", opt);
1729 pfctl_set_logif(struct pfctl *pf, char *ifname)
1732 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1735 if (!strcmp(ifname, "none")) {
1739 pf->ifname = strdup(ifname);
1741 errx(1, "pfctl_set_logif: strdup");
1745 if (pf->opts & PF_OPT_VERBOSE)
1746 printf("set loginterface %s\n", ifname);
1752 pfctl_load_logif(struct pfctl *pf, char *ifname)
1756 memset(&pi, 0, sizeof(pi));
1757 if (ifname && strlcpy(pi.ifname, ifname,
1758 sizeof(pi.ifname)) >= sizeof(pi.ifname)) {
1759 warnx("pfctl_load_logif: strlcpy");
1762 if (ioctl(pf->dev, DIOCSETSTATUSIF, &pi)) {
1763 warnx("DIOCSETSTATUSIF");
1770 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid)
1772 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1777 pf->hostid = hostid;
1780 if (pf->opts & PF_OPT_VERBOSE)
1781 printf("set hostid 0x%08x\n", ntohl(hostid));
1787 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid)
1789 if (ioctl(dev, DIOCSETHOSTID, &hostid)) {
1790 warnx("DIOCSETHOSTID");
1797 pfctl_set_debug(struct pfctl *pf, char *d)
1801 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1804 if (!strcmp(d, "none"))
1805 pf->debug = PF_DEBUG_NONE;
1806 else if (!strcmp(d, "urgent"))
1807 pf->debug = PF_DEBUG_URGENT;
1808 else if (!strcmp(d, "misc"))
1809 pf->debug = PF_DEBUG_MISC;
1810 else if (!strcmp(d, "loud"))
1811 pf->debug = PF_DEBUG_NOISY;
1813 warnx("unknown debug level \"%s\"", d);
1819 if ((pf->opts & PF_OPT_NOACTION) == 0)
1820 if (ioctl(dev, DIOCSETDEBUG, &level))
1821 err(1, "DIOCSETDEBUG");
1823 if (pf->opts & PF_OPT_VERBOSE)
1824 printf("set debug %s\n", d);
1830 pfctl_load_debug(struct pfctl *pf, unsigned int level)
1832 if (ioctl(pf->dev, DIOCSETDEBUG, &level)) {
1833 warnx("DIOCSETDEBUG");
1840 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how)
1842 struct pfioc_iface pi;
1844 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1847 bzero(&pi, sizeof(pi));
1849 pi.pfiio_flags = flags;
1851 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >=
1852 sizeof(pi.pfiio_name))
1853 errx(1, "pfctl_set_interface_flags: strlcpy");
1855 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1857 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi))
1858 err(1, "DIOCCLRIFFLAG");
1860 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi))
1861 err(1, "DIOCSETIFFLAG");
1868 pfctl_debug(int dev, u_int32_t level, int opts)
1870 if (ioctl(dev, DIOCSETDEBUG, &level))
1871 err(1, "DIOCSETDEBUG");
1872 if ((opts & PF_OPT_QUIET) == 0) {
1873 fprintf(stderr, "debug level set to '");
1876 fprintf(stderr, "none");
1878 case PF_DEBUG_URGENT:
1879 fprintf(stderr, "urgent");
1882 fprintf(stderr, "misc");
1884 case PF_DEBUG_NOISY:
1885 fprintf(stderr, "loud");
1888 fprintf(stderr, "<invalid>");
1891 fprintf(stderr, "'\n");
1896 pfctl_test_altqsupport(int dev, int opts)
1898 #if defined(__FreeBSD__) && !defined(ENABLE_ALTQ)
1901 struct pfioc_altq pa;
1903 if (ioctl(dev, DIOCGETALTQS, &pa)) {
1904 if (errno == ENODEV) {
1905 if (!(opts & PF_OPT_QUIET))
1906 fprintf(stderr, "No ALTQ support in kernel\n"
1907 "ALTQ related functions disabled\n");
1910 err(1, "DIOCGETALTQS");
1917 pfctl_show_anchors(int dev, int opts, char *anchorname)
1919 struct pfioc_ruleset pr;
1922 memset(&pr, 0, sizeof(pr));
1923 memcpy(pr.path, anchorname, sizeof(pr.path));
1924 if (ioctl(dev, DIOCGETRULESETS, &pr)) {
1925 if (errno == EINVAL)
1926 fprintf(stderr, "Anchor '%s' not found.\n",
1929 err(1, "DIOCGETRULESETS");
1933 for (nr = 0; nr < mnr; ++nr) {
1934 char sub[MAXPATHLEN];
1937 if (ioctl(dev, DIOCGETRULESET, &pr))
1938 err(1, "DIOCGETRULESET");
1939 if (!strcmp(pr.name, PF_RESERVED_ANCHOR))
1943 strlcat(sub, pr.path, sizeof(sub));
1944 strlcat(sub, "/", sizeof(sub));
1946 strlcat(sub, pr.name, sizeof(sub));
1947 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE))
1948 printf(" %s\n", sub);
1949 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub))
1956 pfctl_lookup_option(char *cmd, const char **list)
1958 if (cmd != NULL && *cmd)
1959 for (; *list; list++)
1960 if (!strncmp(cmd, *list, strlen(cmd)))
1966 main(int argc, char *argv[])
1970 int mode = O_RDONLY;
1973 char anchorname[MAXPATHLEN];
1980 while ((ch = getopt(argc, argv,
1981 "a:AdD:eqf:F:ghi:k:K:mnNOo::p:rRs:t:T:vx:z")) != -1) {
1987 opts |= PF_OPT_DISABLE;
1991 if (pfctl_cmdline_symset(optarg) < 0)
1992 warnx("could not parse macro definition %s",
1996 opts |= PF_OPT_ENABLE;
2000 opts |= PF_OPT_QUIET;
2003 clearopt = pfctl_lookup_option(optarg, clearopt_list);
2004 if (clearopt == NULL) {
2005 warnx("Unknown flush modifier '%s'", optarg);
2014 if (state_killers >= 2) {
2015 warnx("can only specify -k twice");
2019 state_kill[state_killers++] = optarg;
2023 if (src_node_killers >= 2) {
2024 warnx("can only specify -K twice");
2028 src_node_kill[src_node_killers++] = optarg;
2032 opts |= PF_OPT_MERGE;
2035 opts |= PF_OPT_NOACTION;
2038 loadopt |= PFCTL_FLAG_NAT;
2041 opts |= PF_OPT_USEDNS;
2048 opts |= PF_OPT_DEBUG;
2051 loadopt |= PFCTL_FLAG_ALTQ;
2054 loadopt |= PFCTL_FLAG_FILTER;
2058 optiopt = pfctl_lookup_option(optarg,
2060 if (optiopt == NULL) {
2061 warnx("Unknown optimization '%s'",
2066 if (opts & PF_OPT_OPTIMIZE) {
2067 if (optiopt != NULL) {
2068 warnx("Cannot specify -o multiple times"
2069 "with optimizer level");
2072 optimize |= PF_OPTIMIZE_PROFILE;
2074 optimize |= PF_OPTIMIZE_BASIC;
2075 opts |= PF_OPT_OPTIMIZE;
2078 loadopt |= PFCTL_FLAG_OPTION;
2084 showopt = pfctl_lookup_option(optarg, showopt_list);
2085 if (showopt == NULL) {
2086 warnx("Unknown show modifier '%s'", optarg);
2094 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list);
2095 if (tblcmdopt == NULL) {
2096 warnx("Unknown table command '%s'", optarg);
2101 if (opts & PF_OPT_VERBOSE)
2102 opts |= PF_OPT_VERBOSE2;
2103 opts |= PF_OPT_VERBOSE;
2106 debugopt = pfctl_lookup_option(optarg, debugopt_list);
2107 if (debugopt == NULL) {
2108 warnx("Unknown debug level '%s'", optarg);
2114 opts |= PF_OPT_CLRRULECTRS;
2125 if (tblcmdopt != NULL) {
2130 loadopt |= PFCTL_FLAG_TABLE;
2133 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY;
2134 } else if (argc != optind) {
2135 warnx("unknown command line argument: %s ...", argv[optind]);
2142 if ((path = calloc(1, MAXPATHLEN)) == NULL)
2143 errx(1, "pfctl: calloc");
2144 memset(anchorname, 0, sizeof(anchorname));
2145 if (anchoropt != NULL) {
2146 int len = strlen(anchoropt);
2148 if (anchoropt[len - 1] == '*') {
2149 if (len >= 2 && anchoropt[len - 2] == '/')
2150 anchoropt[len - 2] = '\0';
2152 anchoropt[len - 1] = '\0';
2153 opts |= PF_OPT_RECURSE;
2155 if (strlcpy(anchorname, anchoropt,
2156 sizeof(anchorname)) >= sizeof(anchorname))
2157 errx(1, "anchor name '%s' too long",
2159 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE;
2162 if ((opts & PF_OPT_NOACTION) == 0) {
2163 dev = open(pf_device, mode);
2165 err(1, "%s", pf_device);
2166 altqsupport = pfctl_test_altqsupport(dev, opts);
2168 dev = open(pf_device, O_RDONLY);
2170 opts |= PF_OPT_DUMMYACTION;
2171 /* turn off options */
2172 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE);
2173 clearopt = showopt = debugopt = NULL;
2174 #if defined(__FreeBSD__) && !defined(ENABLE_ALTQ)
2181 if (opts & PF_OPT_DISABLE)
2182 if (pfctl_disable(dev, opts))
2185 if (showopt != NULL) {
2188 pfctl_show_anchors(dev, opts, anchorname);
2191 pfctl_load_fingerprints(dev, opts);
2192 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES,
2196 pfctl_load_fingerprints(dev, opts);
2197 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS,
2201 pfctl_load_fingerprints(dev, opts);
2202 pfctl_show_nat(dev, opts, anchorname);
2205 pfctl_show_altq(dev, ifaceopt, opts,
2206 opts & PF_OPT_VERBOSE2);
2209 pfctl_show_states(dev, ifaceopt, opts);
2212 pfctl_show_src_nodes(dev, opts);
2215 pfctl_show_status(dev, opts);
2218 pfctl_show_timeouts(dev, opts);
2221 pfctl_show_limits(dev, opts);
2224 opts |= PF_OPT_SHOWALL;
2225 pfctl_load_fingerprints(dev, opts);
2227 pfctl_show_nat(dev, opts, anchorname);
2228 pfctl_show_rules(dev, path, opts, 0, anchorname, 0);
2229 pfctl_show_altq(dev, ifaceopt, opts, 0);
2230 pfctl_show_states(dev, ifaceopt, opts);
2231 pfctl_show_src_nodes(dev, opts);
2232 pfctl_show_status(dev, opts);
2233 pfctl_show_rules(dev, path, opts, 1, anchorname, 0);
2234 pfctl_show_timeouts(dev, opts);
2235 pfctl_show_limits(dev, opts);
2236 pfctl_show_tables(anchorname, opts);
2237 pfctl_show_fingerprints(opts);
2240 pfctl_show_tables(anchorname, opts);
2243 pfctl_load_fingerprints(dev, opts);
2244 pfctl_show_fingerprints(opts);
2247 pfctl_show_ifaces(ifaceopt, opts);
2252 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL)
2253 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING,
2256 if (clearopt != NULL) {
2257 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL)
2258 errx(1, "anchor names beginning with '_' cannot "
2259 "be modified from the command line");
2261 switch (*clearopt) {
2263 pfctl_clear_rules(dev, opts, anchorname);
2266 pfctl_clear_nat(dev, opts, anchorname);
2269 pfctl_clear_altq(dev, opts);
2272 pfctl_clear_states(dev, ifaceopt, opts);
2275 pfctl_clear_src_nodes(dev, opts);
2278 pfctl_clear_stats(dev, opts);
2281 pfctl_clear_rules(dev, opts, anchorname);
2282 pfctl_clear_nat(dev, opts, anchorname);
2283 pfctl_clear_tables(anchorname, opts);
2285 pfctl_clear_altq(dev, opts);
2286 pfctl_clear_states(dev, ifaceopt, opts);
2287 pfctl_clear_src_nodes(dev, opts);
2288 pfctl_clear_stats(dev, opts);
2289 pfctl_clear_fingerprints(dev, opts);
2290 pfctl_clear_interface_flags(dev, opts);
2294 pfctl_clear_fingerprints(dev, opts);
2297 pfctl_clear_tables(anchorname, opts);
2302 pfctl_kill_states(dev, ifaceopt, opts);
2304 if (src_node_killers)
2305 pfctl_kill_src_nodes(dev, ifaceopt, opts);
2307 if (tblcmdopt != NULL) {
2308 error = pfctl_command_tables(argc, argv, tableopt,
2309 tblcmdopt, rulesopt, anchorname, opts);
2312 if (optiopt != NULL) {
2318 optimize |= PF_OPTIMIZE_BASIC;
2322 optimize |= PF_OPTIMIZE_PROFILE;
2327 if (rulesopt != NULL) {
2328 if (strcmp(rulesopt, "-") == 0) {
2332 if ((fin = pfctl_fopen(rulesopt, "r")) == NULL)
2333 err(1, "%s", rulesopt);
2336 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) &&
2338 if (pfctl_clear_interface_flags(dev, opts | PF_OPT_QUIET))
2341 if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) &&
2342 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION))
2343 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE))
2346 if (rulesopt != NULL) {
2347 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL)
2348 errx(1, "anchor names beginning with '_' cannot "
2349 "be modified from the command line");
2350 if (pfctl_rules(dev, rulesopt, fin, opts, optimize,
2353 else if (!(opts & PF_OPT_NOACTION) &&
2354 (loadopt & PFCTL_FLAG_TABLE))
2355 warn_namespace_collision(NULL);
2358 if (opts & PF_OPT_ENABLE)
2359 if (pfctl_enable(dev, opts))
2362 if (debugopt != NULL) {
2363 switch (*debugopt) {
2365 pfctl_debug(dev, PF_DEBUG_NONE, opts);
2368 pfctl_debug(dev, PF_DEBUG_URGENT, opts);
2371 pfctl_debug(dev, PF_DEBUG_MISC, opts);
2374 pfctl_debug(dev, PF_DEBUG_NOISY, opts);