1 /* $OpenBSD: pfctl.c,v 1.278 2008/08/31 20:18:17 jmc Exp $ */
4 * SPDX-License-Identifier: BSD-2-Clause
6 * Copyright (c) 2001 Daniel Hartmeier
7 * Copyright (c) 2002,2003 Henning Brauer
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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.
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
39 #define PFIOC_USE_LATEST
41 #include <sys/types.h>
42 #include <sys/ioctl.h>
44 #include <sys/socket.h>
46 #include <sys/endian.h>
49 #include <netinet/in.h>
50 #include <net/pfvar.h>
51 #include <arpa/inet.h>
52 #include <net/altq/altq.h>
53 #include <sys/sysctl.h>
67 #include "pfctl_parser.h"
71 int pfctl_enable(int, int);
72 int pfctl_disable(int, int);
73 int pfctl_clear_stats(int, int);
74 int pfctl_get_skip_ifaces(void);
75 int pfctl_check_skip_ifaces(char *);
76 int pfctl_adjust_skip_ifaces(struct pfctl *);
77 int pfctl_clear_interface_flags(int, int);
78 int pfctl_clear_rules(int, int, char *);
79 int pfctl_clear_nat(int, int, char *);
80 int pfctl_clear_altq(int, int);
81 int pfctl_clear_src_nodes(int, int);
82 int pfctl_clear_iface_states(int, const char *, int);
83 void pfctl_addrprefix(char *, struct pf_addr *);
84 int pfctl_kill_src_nodes(int, const char *, int);
85 int pfctl_net_kill_states(int, const char *, int);
86 int pfctl_gateway_kill_states(int, const char *, int);
87 int pfctl_label_kill_states(int, const char *, int);
88 int pfctl_id_kill_states(int, const char *, int);
89 void pfctl_init_options(struct pfctl *);
90 int pfctl_load_options(struct pfctl *);
91 int pfctl_load_limit(struct pfctl *, unsigned int, unsigned int);
92 int pfctl_load_timeout(struct pfctl *, unsigned int, unsigned int);
93 int pfctl_load_debug(struct pfctl *, unsigned int);
94 int pfctl_load_logif(struct pfctl *, char *);
95 int pfctl_load_hostid(struct pfctl *, u_int32_t);
96 int pfctl_load_syncookies(struct pfctl *, u_int8_t);
97 int pfctl_get_pool(int, struct pfctl_pool *, u_int32_t, u_int32_t, int,
99 void pfctl_print_rule_counters(struct pfctl_rule *, int);
100 int pfctl_show_rules(int, char *, int, enum pfctl_show, char *, int);
101 int pfctl_show_nat(int, int, char *);
102 int pfctl_show_src_nodes(int, int);
103 int pfctl_show_states(int, const char *, int);
104 int pfctl_show_status(int, int);
105 int pfctl_show_running(int);
106 int pfctl_show_timeouts(int, int);
107 int pfctl_show_limits(int, int);
108 void pfctl_debug(int, u_int32_t, int);
109 int pfctl_test_altqsupport(int, int);
110 int pfctl_show_anchors(int, int, char *);
111 int pfctl_ruleset_trans(struct pfctl *, char *, struct pfctl_anchor *);
112 int pfctl_load_ruleset(struct pfctl *, char *,
113 struct pfctl_ruleset *, int, int);
114 int pfctl_load_rule(struct pfctl *, char *, struct pfctl_rule *, int);
115 const char *pfctl_lookup_option(char *, const char * const *);
117 static struct pfctl_anchor_global pf_anchors;
118 static struct pfctl_anchor pf_main_anchor;
119 static struct pfr_buffer skip_b;
121 static const char *clearopt;
122 static char *rulesopt;
123 static const char *showopt;
124 static const char *debugopt;
125 static char *anchoropt;
126 static const char *optiopt = NULL;
127 static const char *pf_device = "/dev/pf";
128 static char *ifaceopt;
129 static char *tableopt;
130 static const char *tblcmdopt;
131 static int src_node_killers;
132 static char *src_node_kill[2];
133 static int state_killers;
134 static char *state_kill[2];
139 static int first_title = 1;
140 static int labels = 0;
142 #define INDENT(d, o) do { \
145 for (i=0; i < d; i++) \
151 static const struct {
155 { "states", PF_LIMIT_STATES },
156 { "src-nodes", PF_LIMIT_SRC_NODES },
157 { "frags", PF_LIMIT_FRAGS },
158 { "table-entries", PF_LIMIT_TABLE_ENTRIES },
166 static const struct pf_hint pf_hint_normal[] = {
167 { "tcp.first", 2 * 60 },
168 { "tcp.opening", 30 },
169 { "tcp.established", 24 * 60 * 60 },
170 { "tcp.closing", 15 * 60 },
171 { "tcp.finwait", 45 },
172 { "tcp.closed", 90 },
173 { "tcp.tsdiff", 30 },
176 static const struct pf_hint pf_hint_satellite[] = {
177 { "tcp.first", 3 * 60 },
178 { "tcp.opening", 30 + 5 },
179 { "tcp.established", 24 * 60 * 60 },
180 { "tcp.closing", 15 * 60 + 5 },
181 { "tcp.finwait", 45 + 5 },
182 { "tcp.closed", 90 + 5 },
183 { "tcp.tsdiff", 60 },
186 static const struct pf_hint pf_hint_conservative[] = {
187 { "tcp.first", 60 * 60 },
188 { "tcp.opening", 15 * 60 },
189 { "tcp.established", 5 * 24 * 60 * 60 },
190 { "tcp.closing", 60 * 60 },
191 { "tcp.finwait", 10 * 60 },
192 { "tcp.closed", 3 * 60 },
193 { "tcp.tsdiff", 60 },
196 static const struct pf_hint pf_hint_aggressive[] = {
198 { "tcp.opening", 5 },
199 { "tcp.established", 5 * 60 * 60 },
200 { "tcp.closing", 60 },
201 { "tcp.finwait", 30 },
202 { "tcp.closed", 30 },
203 { "tcp.tsdiff", 10 },
207 static const struct {
209 const struct pf_hint *hint;
211 { "normal", pf_hint_normal },
212 { "satellite", pf_hint_satellite },
213 { "high-latency", pf_hint_satellite },
214 { "conservative", pf_hint_conservative },
215 { "aggressive", pf_hint_aggressive },
219 static const char * const clearopt_list[] = {
220 "nat", "queue", "rules", "Sources",
221 "states", "info", "Tables", "osfp", "all", NULL
224 static const char * const showopt_list[] = {
225 "nat", "queue", "rules", "Anchors", "Sources", "states", "info",
226 "Interfaces", "labels", "timeouts", "memory", "Tables", "osfp",
227 "Running", "all", NULL
230 static const char * const tblcmdopt_list[] = {
231 "kill", "flush", "add", "delete", "load", "replace", "show",
232 "test", "zero", "expire", NULL
235 static const char * const debugopt_list[] = {
236 "none", "urgent", "misc", "loud", NULL
239 static const char * const optiopt_list[] = {
240 "none", "basic", "profile", NULL
246 extern char *__progname;
249 "usage: %s [-AdeghMmNnOPqRrvz] [-a anchor] [-D macro=value] [-F modifier]\n"
250 "\t[-f file] [-i interface] [-K host | network]\n"
251 "\t[-k host | network | gateway | label | id] [-o level] [-p device]\n"
252 "\t[-s modifier] [-t table -T command [address ...]] [-x level]\n",
259 * Cache protocol number to name translations.
261 * Translation is performed a lot e.g., when dumping states and
262 * getprotobynumber is incredibly expensive.
264 * Note from the getprotobynumber(3) manpage:
266 * These functions use a thread-specific data space; if the data is needed
267 * for future use, it should be copied before any subsequent calls overwrite
268 * it. Only the Internet protocols are currently understood.
271 * Consequently we only cache the name and strdup it for safety.
273 * At the time of writing this comment the last entry in /etc/protocols is:
274 * divert 258 DIVERT # Divert pseudo-protocol [non IANA]
277 pfctl_proto2name(int proto)
279 static const char *pfctl_proto_cache[259];
282 if (proto >= nitems(pfctl_proto_cache)) {
283 p = getprotobynumber(proto);
290 if (pfctl_proto_cache[proto] == NULL) {
291 p = getprotobynumber(proto);
295 pfctl_proto_cache[proto] = strdup(p->p_name);
298 return (pfctl_proto_cache[proto]);
302 pfctl_enable(int dev, int opts)
304 if (ioctl(dev, DIOCSTART)) {
306 errx(1, "pf already enabled");
307 else if (errno == ESRCH)
308 errx(1, "pfil registeration failed");
312 if ((opts & PF_OPT_QUIET) == 0)
313 fprintf(stderr, "pf enabled\n");
315 if (altqsupport && ioctl(dev, DIOCSTARTALTQ))
317 err(1, "DIOCSTARTALTQ");
323 pfctl_disable(int dev, int opts)
325 if (ioctl(dev, DIOCSTOP)) {
327 errx(1, "pf not enabled");
331 if ((opts & PF_OPT_QUIET) == 0)
332 fprintf(stderr, "pf disabled\n");
334 if (altqsupport && ioctl(dev, DIOCSTOPALTQ))
336 err(1, "DIOCSTOPALTQ");
342 pfctl_clear_stats(int dev, int opts)
344 if (ioctl(dev, DIOCCLRSTATUS))
345 err(1, "DIOCCLRSTATUS");
346 if ((opts & PF_OPT_QUIET) == 0)
347 fprintf(stderr, "pf: statistics cleared\n");
352 pfctl_get_skip_ifaces(void)
354 bzero(&skip_b, sizeof(skip_b));
355 skip_b.pfrb_type = PFRB_IFACES;
357 pfr_buf_grow(&skip_b, skip_b.pfrb_size);
358 skip_b.pfrb_size = skip_b.pfrb_msize;
359 if (pfi_get_ifaces(NULL, skip_b.pfrb_caddr, &skip_b.pfrb_size))
360 err(1, "pfi_get_ifaces");
361 if (skip_b.pfrb_size <= skip_b.pfrb_msize)
368 pfctl_check_skip_ifaces(char *ifname)
371 struct node_host *h = NULL, *n = NULL;
373 PFRB_FOREACH(p, &skip_b) {
374 if (!strcmp(ifname, p->pfik_name) &&
375 (p->pfik_flags & PFI_IFLAG_SKIP))
376 p->pfik_flags &= ~PFI_IFLAG_SKIP;
377 if (!strcmp(ifname, p->pfik_name) && p->pfik_group != NULL) {
378 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL)
381 for (n = h; n != NULL; n = n->next) {
382 if (p->pfik_ifp == NULL)
384 if (strncmp(p->pfik_name, ifname, IFNAMSIZ))
387 p->pfik_flags &= ~PFI_IFLAG_SKIP;
395 pfctl_adjust_skip_ifaces(struct pfctl *pf)
397 struct pfi_kif *p, *pp;
398 struct node_host *h = NULL, *n = NULL;
400 PFRB_FOREACH(p, &skip_b) {
401 if (p->pfik_group == NULL || !(p->pfik_flags & PFI_IFLAG_SKIP))
404 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0);
405 if ((h = ifa_grouplookup(p->pfik_name, 0)) == NULL)
408 for (n = h; n != NULL; n = n->next)
409 PFRB_FOREACH(pp, &skip_b) {
410 if (pp->pfik_ifp == NULL)
413 if (strncmp(pp->pfik_name, n->ifname, IFNAMSIZ))
416 if (!(pp->pfik_flags & PFI_IFLAG_SKIP))
417 pfctl_set_interface_flags(pf,
418 pp->pfik_name, PFI_IFLAG_SKIP, 1);
419 if (pp->pfik_flags & PFI_IFLAG_SKIP)
420 pp->pfik_flags &= ~PFI_IFLAG_SKIP;
424 PFRB_FOREACH(p, &skip_b) {
425 if (p->pfik_ifp == NULL || ! (p->pfik_flags & PFI_IFLAG_SKIP))
428 pfctl_set_interface_flags(pf, p->pfik_name, PFI_IFLAG_SKIP, 0);
435 pfctl_clear_interface_flags(int dev, int opts)
437 struct pfioc_iface pi;
439 if ((opts & PF_OPT_NOACTION) == 0) {
440 bzero(&pi, sizeof(pi));
441 pi.pfiio_flags = PFI_IFLAG_SKIP;
443 if (ioctl(dev, DIOCCLRIFFLAG, &pi))
444 err(1, "DIOCCLRIFFLAG");
445 if ((opts & PF_OPT_QUIET) == 0)
446 fprintf(stderr, "pf: interface flags reset\n");
452 pfctl_clear_rules(int dev, int opts, char *anchorname)
456 memset(&t, 0, sizeof(t));
457 t.pfrb_type = PFRB_TRANS;
458 if (pfctl_add_trans(&t, PF_RULESET_SCRUB, anchorname) ||
459 pfctl_add_trans(&t, PF_RULESET_FILTER, anchorname) ||
460 pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
461 pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
462 err(1, "pfctl_clear_rules");
463 if ((opts & PF_OPT_QUIET) == 0)
464 fprintf(stderr, "rules cleared\n");
469 pfctl_clear_nat(int dev, int opts, char *anchorname)
473 memset(&t, 0, sizeof(t));
474 t.pfrb_type = PFRB_TRANS;
475 if (pfctl_add_trans(&t, PF_RULESET_NAT, anchorname) ||
476 pfctl_add_trans(&t, PF_RULESET_BINAT, anchorname) ||
477 pfctl_add_trans(&t, PF_RULESET_RDR, anchorname) ||
478 pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
479 pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
480 err(1, "pfctl_clear_nat");
481 if ((opts & PF_OPT_QUIET) == 0)
482 fprintf(stderr, "nat cleared\n");
487 pfctl_clear_altq(int dev, int opts)
493 memset(&t, 0, sizeof(t));
494 t.pfrb_type = PFRB_TRANS;
495 if (pfctl_add_trans(&t, PF_RULESET_ALTQ, "") ||
496 pfctl_trans(dev, &t, DIOCXBEGIN, 0) ||
497 pfctl_trans(dev, &t, DIOCXCOMMIT, 0))
498 err(1, "pfctl_clear_altq");
499 if ((opts & PF_OPT_QUIET) == 0)
500 fprintf(stderr, "altq cleared\n");
505 pfctl_clear_src_nodes(int dev, int opts)
507 if (ioctl(dev, DIOCCLRSRCNODES))
508 err(1, "DIOCCLRSRCNODES");
509 if ((opts & PF_OPT_QUIET) == 0)
510 fprintf(stderr, "source tracking entries cleared\n");
515 pfctl_clear_iface_states(int dev, const char *iface, int opts)
517 struct pfctl_kill kill;
520 memset(&kill, 0, sizeof(kill));
521 if (iface != NULL && strlcpy(kill.ifname, iface,
522 sizeof(kill.ifname)) >= sizeof(kill.ifname))
523 errx(1, "invalid interface: %s", iface);
525 if (opts & PF_OPT_KILLMATCH)
526 kill.kill_match = true;
528 if (pfctl_clear_states(dev, &kill, &killed))
529 err(1, "DIOCCLRSTATES");
530 if ((opts & PF_OPT_QUIET) == 0)
531 fprintf(stderr, "%d states cleared\n", killed);
536 pfctl_addrprefix(char *addr, struct pf_addr *mask)
540 int prefix, ret_ga, q, r;
541 struct addrinfo hints, *res;
543 if ((p = strchr(addr, '/')) == NULL)
547 prefix = strtonum(p, 0, 128, &errstr);
549 errx(1, "prefix is %s: %s", errstr, p);
551 bzero(&hints, sizeof(hints));
552 /* prefix only with numeric addresses */
553 hints.ai_flags |= AI_NUMERICHOST;
555 if ((ret_ga = getaddrinfo(addr, NULL, &hints, &res))) {
556 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
560 if (res->ai_family == AF_INET && prefix > 32)
561 errx(1, "prefix too long for AF_INET");
562 else if (res->ai_family == AF_INET6 && prefix > 128)
563 errx(1, "prefix too long for AF_INET6");
567 switch (res->ai_family) {
569 bzero(&mask->v4, sizeof(mask->v4));
570 mask->v4.s_addr = htonl((u_int32_t)
571 (0xffffffffffULL << (32 - prefix)));
574 bzero(&mask->v6, sizeof(mask->v6));
576 memset((void *)&mask->v6, 0xff, q);
578 *((u_char *)&mask->v6 + q) =
579 (0xff00 >> r) & 0xff;
586 pfctl_kill_src_nodes(int dev, const char *iface, int opts)
588 struct pfioc_src_node_kill psnk;
589 struct addrinfo *res[2], *resp[2];
590 struct sockaddr last_src, last_dst;
591 int killed, sources, dests;
594 killed = sources = dests = 0;
596 memset(&psnk, 0, sizeof(psnk));
597 memset(&psnk.psnk_src.addr.v.a.mask, 0xff,
598 sizeof(psnk.psnk_src.addr.v.a.mask));
599 memset(&last_src, 0xff, sizeof(last_src));
600 memset(&last_dst, 0xff, sizeof(last_dst));
602 pfctl_addrprefix(src_node_kill[0], &psnk.psnk_src.addr.v.a.mask);
604 if ((ret_ga = getaddrinfo(src_node_kill[0], NULL, NULL, &res[0]))) {
605 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
608 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) {
609 if (resp[0]->ai_addr == NULL)
611 /* We get lots of duplicates. Catch the easy ones */
612 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0)
614 last_src = *(struct sockaddr *)resp[0]->ai_addr;
616 psnk.psnk_af = resp[0]->ai_family;
619 if (psnk.psnk_af == AF_INET)
620 psnk.psnk_src.addr.v.a.addr.v4 =
621 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr;
622 else if (psnk.psnk_af == AF_INET6)
623 psnk.psnk_src.addr.v.a.addr.v6 =
624 ((struct sockaddr_in6 *)resp[0]->ai_addr)->
627 errx(1, "Unknown address family %d", psnk.psnk_af);
629 if (src_node_killers > 1) {
631 memset(&psnk.psnk_dst.addr.v.a.mask, 0xff,
632 sizeof(psnk.psnk_dst.addr.v.a.mask));
633 memset(&last_dst, 0xff, sizeof(last_dst));
634 pfctl_addrprefix(src_node_kill[1],
635 &psnk.psnk_dst.addr.v.a.mask);
636 if ((ret_ga = getaddrinfo(src_node_kill[1], NULL, NULL,
638 errx(1, "getaddrinfo: %s",
639 gai_strerror(ret_ga));
642 for (resp[1] = res[1]; resp[1];
643 resp[1] = resp[1]->ai_next) {
644 if (resp[1]->ai_addr == NULL)
646 if (psnk.psnk_af != resp[1]->ai_family)
649 if (memcmp(&last_dst, resp[1]->ai_addr,
650 sizeof(last_dst)) == 0)
652 last_dst = *(struct sockaddr *)resp[1]->ai_addr;
656 if (psnk.psnk_af == AF_INET)
657 psnk.psnk_dst.addr.v.a.addr.v4 =
658 ((struct sockaddr_in *)resp[1]->
660 else if (psnk.psnk_af == AF_INET6)
661 psnk.psnk_dst.addr.v.a.addr.v6 =
662 ((struct sockaddr_in6 *)resp[1]->
665 errx(1, "Unknown address family %d",
668 if (ioctl(dev, DIOCKILLSRCNODES, &psnk))
669 err(1, "DIOCKILLSRCNODES");
670 killed += psnk.psnk_killed;
672 freeaddrinfo(res[1]);
674 if (ioctl(dev, DIOCKILLSRCNODES, &psnk))
675 err(1, "DIOCKILLSRCNODES");
676 killed += psnk.psnk_killed;
680 freeaddrinfo(res[0]);
682 if ((opts & PF_OPT_QUIET) == 0)
683 fprintf(stderr, "killed %d src nodes from %d sources and %d "
684 "destinations\n", killed, sources, dests);
689 pfctl_net_kill_states(int dev, const char *iface, int opts)
691 struct pfctl_kill kill;
692 struct addrinfo *res[2], *resp[2];
693 struct sockaddr last_src, last_dst;
694 unsigned int newkilled;
695 int killed, sources, dests;
698 killed = sources = dests = 0;
700 memset(&kill, 0, sizeof(kill));
701 memset(&kill.src.addr.v.a.mask, 0xff,
702 sizeof(kill.src.addr.v.a.mask));
703 memset(&last_src, 0xff, sizeof(last_src));
704 memset(&last_dst, 0xff, sizeof(last_dst));
705 if (iface != NULL && strlcpy(kill.ifname, iface,
706 sizeof(kill.ifname)) >= sizeof(kill.ifname))
707 errx(1, "invalid interface: %s", iface);
709 pfctl_addrprefix(state_kill[0], &kill.src.addr.v.a.mask);
711 if (opts & PF_OPT_KILLMATCH)
712 kill.kill_match = true;
714 if ((ret_ga = getaddrinfo(state_kill[0], NULL, NULL, &res[0]))) {
715 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
718 for (resp[0] = res[0]; resp[0]; resp[0] = resp[0]->ai_next) {
719 if (resp[0]->ai_addr == NULL)
721 /* We get lots of duplicates. Catch the easy ones */
722 if (memcmp(&last_src, resp[0]->ai_addr, sizeof(last_src)) == 0)
724 last_src = *(struct sockaddr *)resp[0]->ai_addr;
726 kill.af = resp[0]->ai_family;
729 if (kill.af == AF_INET)
730 kill.src.addr.v.a.addr.v4 =
731 ((struct sockaddr_in *)resp[0]->ai_addr)->sin_addr;
732 else if (kill.af == AF_INET6)
733 kill.src.addr.v.a.addr.v6 =
734 ((struct sockaddr_in6 *)resp[0]->ai_addr)->
737 errx(1, "Unknown address family %d", kill.af);
739 if (state_killers > 1) {
741 memset(&kill.dst.addr.v.a.mask, 0xff,
742 sizeof(kill.dst.addr.v.a.mask));
743 memset(&last_dst, 0xff, sizeof(last_dst));
744 pfctl_addrprefix(state_kill[1],
745 &kill.dst.addr.v.a.mask);
746 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL,
748 errx(1, "getaddrinfo: %s",
749 gai_strerror(ret_ga));
752 for (resp[1] = res[1]; resp[1];
753 resp[1] = resp[1]->ai_next) {
754 if (resp[1]->ai_addr == NULL)
756 if (kill.af != resp[1]->ai_family)
759 if (memcmp(&last_dst, resp[1]->ai_addr,
760 sizeof(last_dst)) == 0)
762 last_dst = *(struct sockaddr *)resp[1]->ai_addr;
766 if (kill.af == AF_INET)
767 kill.dst.addr.v.a.addr.v4 =
768 ((struct sockaddr_in *)resp[1]->
770 else if (kill.af == AF_INET6)
771 kill.dst.addr.v.a.addr.v6 =
772 ((struct sockaddr_in6 *)resp[1]->
775 errx(1, "Unknown address family %d",
778 if (pfctl_kill_states(dev, &kill, &newkilled))
779 err(1, "DIOCKILLSTATES");
782 freeaddrinfo(res[1]);
784 if (pfctl_kill_states(dev, &kill, &newkilled))
785 err(1, "DIOCKILLSTATES");
790 freeaddrinfo(res[0]);
792 if ((opts & PF_OPT_QUIET) == 0)
793 fprintf(stderr, "killed %d states from %d sources and %d "
794 "destinations\n", killed, sources, dests);
799 pfctl_gateway_kill_states(int dev, const char *iface, int opts)
801 struct pfctl_kill kill;
802 struct addrinfo *res, *resp;
803 struct sockaddr last_src;
804 unsigned int newkilled;
808 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) {
809 warnx("no gateway specified");
813 memset(&kill, 0, sizeof(kill));
814 memset(&kill.rt_addr.addr.v.a.mask, 0xff,
815 sizeof(kill.rt_addr.addr.v.a.mask));
816 memset(&last_src, 0xff, sizeof(last_src));
817 if (iface != NULL && strlcpy(kill.ifname, iface,
818 sizeof(kill.ifname)) >= sizeof(kill.ifname))
819 errx(1, "invalid interface: %s", iface);
821 if (opts & PF_OPT_KILLMATCH)
822 kill.kill_match = true;
824 pfctl_addrprefix(state_kill[1], &kill.rt_addr.addr.v.a.mask);
826 if ((ret_ga = getaddrinfo(state_kill[1], NULL, NULL, &res))) {
827 errx(1, "getaddrinfo: %s", gai_strerror(ret_ga));
830 for (resp = res; resp; resp = resp->ai_next) {
831 if (resp->ai_addr == NULL)
833 /* We get lots of duplicates. Catch the easy ones */
834 if (memcmp(&last_src, resp->ai_addr, sizeof(last_src)) == 0)
836 last_src = *(struct sockaddr *)resp->ai_addr;
838 kill.af = resp->ai_family;
840 if (kill.af == AF_INET)
841 kill.rt_addr.addr.v.a.addr.v4 =
842 ((struct sockaddr_in *)resp->ai_addr)->sin_addr;
843 else if (kill.af == AF_INET6)
844 kill.rt_addr.addr.v.a.addr.v6 =
845 ((struct sockaddr_in6 *)resp->ai_addr)->
848 errx(1, "Unknown address family %d", kill.af);
850 if (pfctl_kill_states(dev, &kill, &newkilled))
851 err(1, "DIOCKILLSTATES");
857 if ((opts & PF_OPT_QUIET) == 0)
858 fprintf(stderr, "killed %d states\n", killed);
863 pfctl_label_kill_states(int dev, const char *iface, int opts)
865 struct pfctl_kill kill;
868 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) {
869 warnx("no label specified");
872 memset(&kill, 0, sizeof(kill));
873 if (iface != NULL && strlcpy(kill.ifname, iface,
874 sizeof(kill.ifname)) >= sizeof(kill.ifname))
875 errx(1, "invalid interface: %s", iface);
877 if (opts & PF_OPT_KILLMATCH)
878 kill.kill_match = true;
880 if (strlcpy(kill.label, state_kill[1], sizeof(kill.label)) >=
882 errx(1, "label too long: %s", state_kill[1]);
884 if (pfctl_kill_states(dev, &kill, &killed))
885 err(1, "DIOCKILLSTATES");
887 if ((opts & PF_OPT_QUIET) == 0)
888 fprintf(stderr, "killed %d states\n", killed);
894 pfctl_id_kill_states(int dev, const char *iface, int opts)
896 struct pfctl_kill kill;
899 if (state_killers != 2 || (strlen(state_kill[1]) == 0)) {
900 warnx("no id specified");
904 memset(&kill, 0, sizeof(kill));
906 if (opts & PF_OPT_KILLMATCH)
907 kill.kill_match = true;
909 if ((sscanf(state_kill[1], "%jx/%x",
910 &kill.cmp.id, &kill.cmp.creatorid)) == 2) {
912 else if ((sscanf(state_kill[1], "%jx", &kill.cmp.id)) == 1) {
913 kill.cmp.creatorid = 0;
915 warnx("wrong id format specified");
918 if (kill.cmp.id == 0) {
919 warnx("cannot kill id 0");
923 if (pfctl_kill_states(dev, &kill, &killed))
924 err(1, "DIOCKILLSTATES");
926 if ((opts & PF_OPT_QUIET) == 0)
927 fprintf(stderr, "killed %d states\n", killed);
933 pfctl_get_pool(int dev, struct pfctl_pool *pool, u_int32_t nr,
934 u_int32_t ticket, int r_action, char *anchorname)
936 struct pfioc_pooladdr pp;
937 struct pf_pooladdr *pa;
940 memset(&pp, 0, sizeof(pp));
941 memcpy(pp.anchor, anchorname, sizeof(pp.anchor));
942 pp.r_action = r_action;
945 if (ioctl(dev, DIOCGETADDRS, &pp)) {
946 warn("DIOCGETADDRS");
950 TAILQ_INIT(&pool->list);
951 for (pnr = 0; pnr < mpnr; ++pnr) {
953 if (ioctl(dev, DIOCGETADDR, &pp)) {
957 pa = calloc(1, sizeof(struct pf_pooladdr));
960 bcopy(&pp.addr, pa, sizeof(struct pf_pooladdr));
961 TAILQ_INSERT_TAIL(&pool->list, pa, entries);
968 pfctl_move_pool(struct pfctl_pool *src, struct pfctl_pool *dst)
970 struct pf_pooladdr *pa;
972 while ((pa = TAILQ_FIRST(&src->list)) != NULL) {
973 TAILQ_REMOVE(&src->list, pa, entries);
974 TAILQ_INSERT_TAIL(&dst->list, pa, entries);
979 pfctl_clear_pool(struct pfctl_pool *pool)
981 struct pf_pooladdr *pa;
983 while ((pa = TAILQ_FIRST(&pool->list)) != NULL) {
984 TAILQ_REMOVE(&pool->list, pa, entries);
990 pfctl_print_rule_counters(struct pfctl_rule *rule, int opts)
992 if (opts & PF_OPT_DEBUG) {
993 const char *t[PF_SKIP_COUNT] = { "i", "d", "f",
994 "p", "sa", "sp", "da", "dp" };
997 printf(" [ Skip steps: ");
998 for (i = 0; i < PF_SKIP_COUNT; ++i) {
999 if (rule->skip[i].nr == rule->nr + 1)
1001 printf("%s=", t[i]);
1002 if (rule->skip[i].nr == -1)
1005 printf("%u ", rule->skip[i].nr);
1009 printf(" [ queue: qname=%s qid=%u pqname=%s pqid=%u ]\n",
1010 rule->qname, rule->qid, rule->pqname, rule->pqid);
1012 if (opts & PF_OPT_VERBOSE) {
1013 printf(" [ Evaluations: %-8llu Packets: %-8llu "
1014 "Bytes: %-10llu States: %-6ju]\n",
1015 (unsigned long long)rule->evaluations,
1016 (unsigned long long)(rule->packets[0] +
1018 (unsigned long long)(rule->bytes[0] +
1019 rule->bytes[1]), (uintmax_t)rule->states_cur);
1020 if (!(opts & PF_OPT_DEBUG))
1021 printf(" [ Inserted: uid %u pid %u "
1022 "State Creations: %-6ju]\n",
1023 (unsigned)rule->cuid, (unsigned)rule->cpid,
1024 (uintmax_t)rule->states_tot);
1029 pfctl_print_title(char *title)
1034 printf("%s\n", title);
1038 pfctl_show_rules(int dev, char *path, int opts, enum pfctl_show format,
1039 char *anchorname, int depth)
1041 struct pfioc_rule pr;
1042 struct pfctl_rule rule;
1043 u_int32_t nr, mnr, header = 0;
1044 int rule_numbers = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG);
1045 int numeric = opts & PF_OPT_NUMERIC;
1046 int len = strlen(path);
1051 snprintf(&path[len], MAXPATHLEN - len, "/%s", anchorname);
1053 snprintf(&path[len], MAXPATHLEN - len, "%s", anchorname);
1055 memset(&pr, 0, sizeof(pr));
1056 memcpy(pr.anchor, path, sizeof(pr.anchor));
1057 if (opts & PF_OPT_SHOWALL) {
1058 pr.rule.action = PF_PASS;
1059 if (ioctl(dev, DIOCGETRULES, &pr)) {
1060 warn("DIOCGETRULES");
1065 pr.rule.action = PF_SCRUB;
1066 if (ioctl(dev, DIOCGETRULES, &pr)) {
1067 warn("DIOCGETRULES");
1070 if (opts & PF_OPT_SHOWALL) {
1071 if (format == PFCTL_SHOW_RULES && (pr.nr > 0 || header))
1072 pfctl_print_title("FILTER RULES:");
1073 else if (format == PFCTL_SHOW_LABELS && labels)
1074 pfctl_print_title("LABEL COUNTERS:");
1078 for (nr = 0; nr < mnr; ++nr) {
1080 if (pfctl_get_clear_rule(dev, nr, pr.ticket, path, PF_SCRUB,
1081 &rule, pr.anchor_call, opts & PF_OPT_CLRRULECTRS)) {
1082 warn("DIOCGETRULENV");
1086 if (pfctl_get_pool(dev, &rule.rpool,
1087 nr, pr.ticket, PF_SCRUB, path) != 0)
1091 case PFCTL_SHOW_LABELS:
1093 case PFCTL_SHOW_RULES:
1094 if (rule.label[0] && (opts & PF_OPT_SHOWALL))
1096 print_rule(&rule, pr.anchor_call, rule_numbers, numeric);
1098 pfctl_print_rule_counters(&rule, opts);
1100 case PFCTL_SHOW_NOTHING:
1103 pfctl_clear_pool(&rule.rpool);
1105 pr.rule.action = PF_PASS;
1106 if (ioctl(dev, DIOCGETRULES, &pr)) {
1107 warn("DIOCGETRULES");
1111 for (nr = 0; nr < mnr; ++nr) {
1113 if (pfctl_get_clear_rule(dev, nr, pr.ticket, path, PF_PASS,
1114 &rule, pr.anchor_call, opts & PF_OPT_CLRRULECTRS)) {
1115 warn("DIOCGETRULE");
1119 if (pfctl_get_pool(dev, &rule.rpool,
1120 nr, pr.ticket, PF_PASS, path) != 0)
1124 case PFCTL_SHOW_LABELS: {
1128 while (rule.label[i][0]) {
1129 printf("%s ", rule.label[i++]);
1134 printf("%llu %llu %llu %llu"
1135 " %llu %llu %llu %ju\n",
1136 (unsigned long long)rule.evaluations,
1137 (unsigned long long)(rule.packets[0] +
1139 (unsigned long long)(rule.bytes[0] +
1141 (unsigned long long)rule.packets[0],
1142 (unsigned long long)rule.bytes[0],
1143 (unsigned long long)rule.packets[1],
1144 (unsigned long long)rule.bytes[1],
1145 (uintmax_t)rule.states_tot);
1149 case PFCTL_SHOW_RULES:
1151 if (rule.label[0] && (opts & PF_OPT_SHOWALL))
1153 INDENT(depth, !(opts & PF_OPT_VERBOSE));
1154 if (pr.anchor_call[0] &&
1155 ((((p = strrchr(pr.anchor_call, '_')) != NULL) &&
1156 ((void *)p == (void *)pr.anchor_call ||
1157 *(--p) == '/')) || (opts & PF_OPT_RECURSE))) {
1159 if ((p = strrchr(pr.anchor_call, '/')) !=
1163 p = &pr.anchor_call[0];
1165 p = &pr.anchor_call[0];
1167 print_rule(&rule, p, rule_numbers, numeric);
1172 pfctl_print_rule_counters(&rule, opts);
1174 pfctl_show_rules(dev, path, opts, format,
1176 INDENT(depth, !(opts & PF_OPT_VERBOSE));
1180 case PFCTL_SHOW_NOTHING:
1183 pfctl_clear_pool(&rule.rpool);
1194 pfctl_show_nat(int dev, int opts, char *anchorname)
1196 struct pfioc_rule pr;
1197 struct pfctl_rule rule;
1199 static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT };
1200 int i, dotitle = opts & PF_OPT_SHOWALL;
1202 memset(&pr, 0, sizeof(pr));
1203 memcpy(pr.anchor, anchorname, sizeof(pr.anchor));
1204 for (i = 0; i < 3; i++) {
1205 pr.rule.action = nattype[i];
1206 if (ioctl(dev, DIOCGETRULES, &pr)) {
1207 warn("DIOCGETRULES");
1211 for (nr = 0; nr < mnr; ++nr) {
1213 if (pfctl_get_rule(dev, nr, pr.ticket, anchorname,
1214 nattype[i], &rule, pr.anchor_call)) {
1215 warn("DIOCGETRULE");
1218 if (pfctl_get_pool(dev, &rule.rpool, nr,
1219 pr.ticket, nattype[i], anchorname) != 0)
1222 pfctl_print_title("TRANSLATION RULES:");
1225 print_rule(&rule, pr.anchor_call,
1226 opts & PF_OPT_VERBOSE2, opts & PF_OPT_NUMERIC);
1228 pfctl_print_rule_counters(&rule, opts);
1229 pfctl_clear_pool(&rule.rpool);
1236 pfctl_show_src_nodes(int dev, int opts)
1238 struct pfioc_src_nodes psn;
1239 struct pf_src_node *p;
1240 char *inbuf = NULL, *newinbuf = NULL;
1241 unsigned int len = 0;
1244 memset(&psn, 0, sizeof(psn));
1248 newinbuf = realloc(inbuf, len);
1249 if (newinbuf == NULL)
1251 psn.psn_buf = inbuf = newinbuf;
1253 if (ioctl(dev, DIOCGETSRCNODES, &psn) < 0) {
1254 warn("DIOCGETSRCNODES");
1258 if (psn.psn_len + sizeof(struct pfioc_src_nodes) < len)
1260 if (len == 0 && psn.psn_len == 0)
1262 if (len == 0 && psn.psn_len != 0)
1264 if (psn.psn_len == 0)
1265 goto done; /* no src_nodes */
1268 p = psn.psn_src_nodes;
1269 if (psn.psn_len > 0 && (opts & PF_OPT_SHOWALL))
1270 pfctl_print_title("SOURCE TRACKING NODES:");
1271 for (i = 0; i < psn.psn_len; i += sizeof(*p)) {
1272 print_src_node(p, opts);
1281 pfctl_show_states(int dev, const char *iface, int opts)
1283 struct pfctl_states states;
1284 struct pfctl_state *s;
1285 int dotitle = (opts & PF_OPT_SHOWALL);
1287 memset(&states, 0, sizeof(states));
1289 if (pfctl_get_states(dev, &states))
1292 TAILQ_FOREACH(s, &states.states, entry) {
1293 if (iface != NULL && strcmp(s->ifname, iface))
1296 pfctl_print_title("STATES:");
1299 print_state(s, opts);
1302 pfctl_free_states(&states);
1308 pfctl_show_status(int dev, int opts)
1310 struct pfctl_status *status;
1311 struct pfctl_syncookies cookies;
1313 if ((status = pfctl_get_status(dev)) == NULL) {
1314 warn("DIOCGETSTATUS");
1317 if (pfctl_get_syncookies(dev, &cookies)) {
1318 pfctl_free_status(status);
1319 warn("DIOCGETSYNCOOKIES");
1322 if (opts & PF_OPT_SHOWALL)
1323 pfctl_print_title("INFO:");
1324 print_status(status, &cookies, opts);
1325 pfctl_free_status(status);
1330 pfctl_show_running(int dev)
1332 struct pfctl_status *status;
1335 if ((status = pfctl_get_status(dev)) == NULL) {
1336 warn("DIOCGETSTATUS");
1340 running = status->running;
1342 print_running(status);
1343 pfctl_free_status(status);
1348 pfctl_show_timeouts(int dev, int opts)
1353 if (opts & PF_OPT_SHOWALL)
1354 pfctl_print_title("TIMEOUTS:");
1355 memset(&pt, 0, sizeof(pt));
1356 for (i = 0; pf_timeouts[i].name; i++) {
1357 pt.timeout = pf_timeouts[i].timeout;
1358 if (ioctl(dev, DIOCGETTIMEOUT, &pt))
1359 err(1, "DIOCGETTIMEOUT");
1360 printf("%-20s %10d", pf_timeouts[i].name, pt.seconds);
1361 if (pf_timeouts[i].timeout >= PFTM_ADAPTIVE_START &&
1362 pf_timeouts[i].timeout <= PFTM_ADAPTIVE_END)
1373 pfctl_show_limits(int dev, int opts)
1375 struct pfioc_limit pl;
1378 if (opts & PF_OPT_SHOWALL)
1379 pfctl_print_title("LIMITS:");
1380 memset(&pl, 0, sizeof(pl));
1381 for (i = 0; pf_limits[i].name; i++) {
1382 pl.index = pf_limits[i].index;
1383 if (ioctl(dev, DIOCGETLIMIT, &pl))
1384 err(1, "DIOCGETLIMIT");
1385 printf("%-13s ", pf_limits[i].name);
1386 if (pl.limit == UINT_MAX)
1387 printf("unlimited\n");
1389 printf("hard limit %8u\n", pl.limit);
1394 /* callbacks for rule/nat/rdr/addr */
1396 pfctl_add_pool(struct pfctl *pf, struct pfctl_pool *p, sa_family_t af)
1398 struct pf_pooladdr *pa;
1400 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1401 if (ioctl(pf->dev, DIOCBEGINADDRS, &pf->paddr))
1402 err(1, "DIOCBEGINADDRS");
1406 TAILQ_FOREACH(pa, &p->list, entries) {
1407 memcpy(&pf->paddr.addr, pa, sizeof(struct pf_pooladdr));
1408 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1409 if (ioctl(pf->dev, DIOCADDADDR, &pf->paddr))
1410 err(1, "DIOCADDADDR");
1417 pfctl_append_rule(struct pfctl *pf, struct pfctl_rule *r,
1418 const char *anchor_call)
1421 struct pfctl_rule *rule;
1422 struct pfctl_ruleset *rs;
1425 rs_num = pf_get_ruleset_number(r->action);
1426 if (rs_num == PF_RULESET_MAX)
1427 errx(1, "Invalid rule type %d", r->action);
1429 rs = &pf->anchor->ruleset;
1431 if (anchor_call[0] && r->anchor == NULL) {
1433 * Don't make non-brace anchors part of the main anchor pool.
1435 if ((r->anchor = calloc(1, sizeof(*r->anchor))) == NULL)
1436 err(1, "pfctl_append_rule: calloc");
1438 pf_init_ruleset(&r->anchor->ruleset);
1439 r->anchor->ruleset.anchor = r->anchor;
1440 if (strlcpy(r->anchor->path, anchor_call,
1441 sizeof(rule->anchor->path)) >= sizeof(rule->anchor->path))
1442 errx(1, "pfctl_append_rule: strlcpy");
1443 if ((p = strrchr(anchor_call, '/')) != NULL) {
1445 err(1, "pfctl_append_rule: bad anchor name %s",
1448 p = (char *)anchor_call;
1449 if (strlcpy(r->anchor->name, p,
1450 sizeof(rule->anchor->name)) >= sizeof(rule->anchor->name))
1451 errx(1, "pfctl_append_rule: strlcpy");
1454 if ((rule = calloc(1, sizeof(*rule))) == NULL)
1456 bcopy(r, rule, sizeof(*rule));
1457 TAILQ_INIT(&rule->rpool.list);
1458 pfctl_move_pool(&r->rpool, &rule->rpool);
1460 TAILQ_INSERT_TAIL(rs->rules[rs_num].active.ptr, rule, entries);
1465 pfctl_ruleset_trans(struct pfctl *pf, char *path, struct pfctl_anchor *a)
1467 int osize = pf->trans->pfrb_size;
1469 if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) {
1470 if (pfctl_add_trans(pf->trans, PF_RULESET_NAT, path) ||
1471 pfctl_add_trans(pf->trans, PF_RULESET_BINAT, path) ||
1472 pfctl_add_trans(pf->trans, PF_RULESET_RDR, path))
1475 if (a == pf->astack[0] && ((altqsupport &&
1476 (pf->loadopt & PFCTL_FLAG_ALTQ) != 0))) {
1477 if (pfctl_add_trans(pf->trans, PF_RULESET_ALTQ, path))
1480 if ((pf->loadopt & PFCTL_FLAG_FILTER) != 0) {
1481 if (pfctl_add_trans(pf->trans, PF_RULESET_SCRUB, path) ||
1482 pfctl_add_trans(pf->trans, PF_RULESET_FILTER, path))
1485 if (pf->loadopt & PFCTL_FLAG_TABLE)
1486 if (pfctl_add_trans(pf->trans, PF_RULESET_TABLE, path))
1488 if (pfctl_trans(pf->dev, pf->trans, DIOCXBEGIN, osize))
1495 pfctl_load_ruleset(struct pfctl *pf, char *path, struct pfctl_ruleset *rs,
1496 int rs_num, int depth)
1498 struct pfctl_rule *r;
1499 int error, len = strlen(path);
1502 pf->anchor = rs->anchor;
1505 snprintf(&path[len], MAXPATHLEN - len, "/%s", pf->anchor->name);
1507 snprintf(&path[len], MAXPATHLEN - len, "%s", pf->anchor->name);
1510 if (TAILQ_FIRST(rs->rules[rs_num].active.ptr) != NULL) {
1512 if (pf->opts & PF_OPT_VERBOSE)
1514 if ((pf->opts & PF_OPT_NOACTION) == 0 &&
1515 (error = pfctl_ruleset_trans(pf,
1516 path, rs->anchor))) {
1517 printf("pfctl_load_rulesets: "
1518 "pfctl_ruleset_trans %d\n", error);
1521 } else if (pf->opts & PF_OPT_VERBOSE)
1526 if (pf->optimize && rs_num == PF_RULESET_FILTER)
1527 pfctl_optimize_ruleset(pf, rs);
1529 while ((r = TAILQ_FIRST(rs->rules[rs_num].active.ptr)) != NULL) {
1530 TAILQ_REMOVE(rs->rules[rs_num].active.ptr, r, entries);
1532 for (int i = 0; i < PF_RULE_MAX_LABEL_COUNT; i++)
1533 expand_label(r->label[i], PF_RULE_LABEL_SIZE, r);
1534 expand_label(r->tagname, PF_TAG_NAME_SIZE, r);
1535 expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r);
1537 if ((error = pfctl_load_rule(pf, path, r, depth)))
1540 if ((error = pfctl_load_ruleset(pf, path,
1541 &r->anchor->ruleset, rs_num, depth + 1)))
1543 } else if (pf->opts & PF_OPT_VERBOSE)
1547 if (brace && pf->opts & PF_OPT_VERBOSE) {
1548 INDENT(depth - 1, (pf->opts & PF_OPT_VERBOSE));
1561 pfctl_load_rule(struct pfctl *pf, char *path, struct pfctl_rule *r, int depth)
1563 u_int8_t rs_num = pf_get_ruleset_number(r->action);
1566 char anchor[PF_ANCHOR_NAME_SIZE];
1567 int len = strlen(path);
1569 /* set up anchor before adding to path for anchor_call */
1570 if ((pf->opts & PF_OPT_NOACTION) == 0)
1571 ticket = pfctl_get_ticket(pf->trans, rs_num, path);
1572 if (strlcpy(anchor, path, sizeof(anchor)) >= sizeof(anchor))
1573 errx(1, "pfctl_load_rule: strlcpy");
1576 if (r->anchor->match) {
1578 snprintf(&path[len], MAXPATHLEN - len,
1579 "/%s", r->anchor->name);
1581 snprintf(&path[len], MAXPATHLEN - len,
1582 "%s", r->anchor->name);
1583 name = r->anchor->name;
1585 name = r->anchor->path;
1589 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1590 if (pfctl_add_pool(pf, &r->rpool, r->af))
1592 if (pfctl_add_rule(pf->dev, r, anchor, name, ticket,
1594 err(1, "DIOCADDRULENV");
1597 if (pf->opts & PF_OPT_VERBOSE) {
1598 INDENT(depth, !(pf->opts & PF_OPT_VERBOSE2));
1599 print_rule(r, r->anchor ? r->anchor->name : "",
1600 pf->opts & PF_OPT_VERBOSE2,
1601 pf->opts & PF_OPT_NUMERIC);
1604 pfctl_clear_pool(&r->rpool);
1609 pfctl_add_altq(struct pfctl *pf, struct pf_altq *a)
1612 (loadopt & PFCTL_FLAG_ALTQ) != 0) {
1613 memcpy(&pf->paltq->altq, a, sizeof(struct pf_altq));
1614 if ((pf->opts & PF_OPT_NOACTION) == 0) {
1615 if (ioctl(pf->dev, DIOCADDALTQ, pf->paltq)) {
1617 errx(1, "qtype not configured");
1618 else if (errno == ENODEV)
1619 errx(1, "%s: driver does not support "
1622 err(1, "DIOCADDALTQ");
1625 pfaltq_store(&pf->paltq->altq);
1631 pfctl_rules(int dev, char *filename, int opts, int optimize,
1632 char *anchorname, struct pfr_buffer *trans)
1634 #define ERR(x) do { warn(x); goto _error; } while(0)
1635 #define ERRX(x) do { warnx(x); goto _error; } while(0)
1637 struct pfr_buffer *t, buf;
1638 struct pfioc_altq pa;
1640 struct pfctl_ruleset *rs;
1641 struct pfr_table trs;
1645 RB_INIT(&pf_anchors);
1646 memset(&pf_main_anchor, 0, sizeof(pf_main_anchor));
1647 pf_init_ruleset(&pf_main_anchor.ruleset);
1648 pf_main_anchor.ruleset.anchor = &pf_main_anchor;
1649 if (trans == NULL) {
1650 bzero(&buf, sizeof(buf));
1651 buf.pfrb_type = PFRB_TRANS;
1656 osize = t->pfrb_size;
1659 memset(&pa, 0, sizeof(pa));
1660 pa.version = PFIOC_ALTQ_VERSION;
1661 memset(&pf, 0, sizeof(pf));
1662 memset(&trs, 0, sizeof(trs));
1663 if ((path = calloc(1, MAXPATHLEN)) == NULL)
1664 ERRX("pfctl_rules: calloc");
1665 if (strlcpy(trs.pfrt_anchor, anchorname,
1666 sizeof(trs.pfrt_anchor)) >= sizeof(trs.pfrt_anchor))
1667 ERRX("pfctl_rules: strlcpy");
1670 pf.optimize = optimize;
1671 pf.loadopt = loadopt;
1673 /* non-brace anchor, create without resolving the path */
1674 if ((pf.anchor = calloc(1, sizeof(*pf.anchor))) == NULL)
1675 ERRX("pfctl_rules: calloc");
1676 rs = &pf.anchor->ruleset;
1677 pf_init_ruleset(rs);
1678 rs->anchor = pf.anchor;
1679 if (strlcpy(pf.anchor->path, anchorname,
1680 sizeof(pf.anchor->path)) >= sizeof(pf.anchor->path))
1681 errx(1, "pfctl_add_rule: strlcpy");
1682 if (strlcpy(pf.anchor->name, anchorname,
1683 sizeof(pf.anchor->name)) >= sizeof(pf.anchor->name))
1684 errx(1, "pfctl_add_rule: strlcpy");
1687 pf.astack[0] = pf.anchor;
1690 pf.loadopt &= ~PFCTL_FLAG_ALTQ;
1693 pfctl_init_options(&pf);
1695 if ((opts & PF_OPT_NOACTION) == 0) {
1697 * XXX For the time being we need to open transactions for
1698 * the main ruleset before parsing, because tables are still
1699 * loaded at parse time.
1701 if (pfctl_ruleset_trans(&pf, anchorname, pf.anchor))
1702 ERRX("pfctl_rules");
1703 if (altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ))
1705 pfctl_get_ticket(t, PF_RULESET_ALTQ, anchorname);
1706 if (pf.loadopt & PFCTL_FLAG_TABLE)
1707 pf.astack[0]->ruleset.tticket =
1708 pfctl_get_ticket(t, PF_RULESET_TABLE, anchorname);
1711 if (parse_config(filename, &pf) < 0) {
1712 if ((opts & PF_OPT_NOACTION) == 0)
1713 ERRX("Syntax error in config file: "
1714 "pf rules not loaded");
1718 if (loadopt & PFCTL_FLAG_OPTION)
1719 pfctl_adjust_skip_ifaces(&pf);
1721 if ((pf.loadopt & PFCTL_FLAG_FILTER &&
1722 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_SCRUB, 0))) ||
1723 (pf.loadopt & PFCTL_FLAG_NAT &&
1724 (pfctl_load_ruleset(&pf, path, rs, PF_RULESET_NAT, 0) ||
1725 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_RDR, 0) ||
1726 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_BINAT, 0))) ||
1727 (pf.loadopt & PFCTL_FLAG_FILTER &&
1728 pfctl_load_ruleset(&pf, path, rs, PF_RULESET_FILTER, 0))) {
1729 if ((opts & PF_OPT_NOACTION) == 0)
1730 ERRX("Unable to load rules into kernel");
1735 if ((altqsupport && (pf.loadopt & PFCTL_FLAG_ALTQ) != 0))
1736 if (check_commit_altq(dev, opts) != 0)
1737 ERRX("errors in altq config");
1739 /* process "load anchor" directives */
1741 if (pfctl_load_anchors(dev, &pf, t) == -1)
1742 ERRX("load anchors");
1744 if (trans == NULL && (opts & PF_OPT_NOACTION) == 0) {
1746 if (pfctl_load_options(&pf))
1748 if (pfctl_trans(dev, t, DIOCXCOMMIT, osize))
1755 if (trans == NULL) { /* main ruleset */
1756 if ((opts & PF_OPT_NOACTION) == 0)
1757 if (pfctl_trans(dev, t, DIOCXROLLBACK, osize))
1758 err(1, "DIOCXROLLBACK");
1760 } else { /* sub ruleset */
1770 pfctl_fopen(const char *name, const char *mode)
1775 fp = fopen(name, mode);
1778 if (fstat(fileno(fp), &st)) {
1782 if (S_ISDIR(st.st_mode)) {
1791 pfctl_init_options(struct pfctl *pf)
1794 pf->timeout[PFTM_TCP_FIRST_PACKET] = PFTM_TCP_FIRST_PACKET_VAL;
1795 pf->timeout[PFTM_TCP_OPENING] = PFTM_TCP_OPENING_VAL;
1796 pf->timeout[PFTM_TCP_ESTABLISHED] = PFTM_TCP_ESTABLISHED_VAL;
1797 pf->timeout[PFTM_TCP_CLOSING] = PFTM_TCP_CLOSING_VAL;
1798 pf->timeout[PFTM_TCP_FIN_WAIT] = PFTM_TCP_FIN_WAIT_VAL;
1799 pf->timeout[PFTM_TCP_CLOSED] = PFTM_TCP_CLOSED_VAL;
1800 pf->timeout[PFTM_UDP_FIRST_PACKET] = PFTM_UDP_FIRST_PACKET_VAL;
1801 pf->timeout[PFTM_UDP_SINGLE] = PFTM_UDP_SINGLE_VAL;
1802 pf->timeout[PFTM_UDP_MULTIPLE] = PFTM_UDP_MULTIPLE_VAL;
1803 pf->timeout[PFTM_ICMP_FIRST_PACKET] = PFTM_ICMP_FIRST_PACKET_VAL;
1804 pf->timeout[PFTM_ICMP_ERROR_REPLY] = PFTM_ICMP_ERROR_REPLY_VAL;
1805 pf->timeout[PFTM_OTHER_FIRST_PACKET] = PFTM_OTHER_FIRST_PACKET_VAL;
1806 pf->timeout[PFTM_OTHER_SINGLE] = PFTM_OTHER_SINGLE_VAL;
1807 pf->timeout[PFTM_OTHER_MULTIPLE] = PFTM_OTHER_MULTIPLE_VAL;
1808 pf->timeout[PFTM_FRAG] = PFTM_FRAG_VAL;
1809 pf->timeout[PFTM_INTERVAL] = PFTM_INTERVAL_VAL;
1810 pf->timeout[PFTM_SRC_NODE] = PFTM_SRC_NODE_VAL;
1811 pf->timeout[PFTM_TS_DIFF] = PFTM_TS_DIFF_VAL;
1812 pf->timeout[PFTM_ADAPTIVE_START] = PFSTATE_ADAPT_START;
1813 pf->timeout[PFTM_ADAPTIVE_END] = PFSTATE_ADAPT_END;
1815 pf->limit[PF_LIMIT_STATES] = PFSTATE_HIWAT;
1816 pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT;
1817 pf->limit[PF_LIMIT_SRC_NODES] = PFSNODE_HIWAT;
1818 pf->limit[PF_LIMIT_TABLE_ENTRIES] = PFR_KENTRY_HIWAT;
1820 pf->debug = PF_DEBUG_URGENT;
1822 pf->syncookies = false;
1823 pf->syncookieswat[0] = PF_SYNCOOKIES_LOWATPCT;
1824 pf->syncookieswat[1] = PF_SYNCOOKIES_HIWATPCT;
1828 pfctl_load_options(struct pfctl *pf)
1832 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1836 for (i = 0; i < PF_LIMIT_MAX; i++) {
1837 if ((pf->opts & PF_OPT_MERGE) && !pf->limit_set[i])
1839 if (pfctl_load_limit(pf, i, pf->limit[i]))
1844 * If we've set the limit, but haven't explicitly set adaptive
1845 * timeouts, do it now with a start of 60% and end of 120%.
1847 if (pf->limit_set[PF_LIMIT_STATES] &&
1848 !pf->timeout_set[PFTM_ADAPTIVE_START] &&
1849 !pf->timeout_set[PFTM_ADAPTIVE_END]) {
1850 pf->timeout[PFTM_ADAPTIVE_START] =
1851 (pf->limit[PF_LIMIT_STATES] / 10) * 6;
1852 pf->timeout_set[PFTM_ADAPTIVE_START] = 1;
1853 pf->timeout[PFTM_ADAPTIVE_END] =
1854 (pf->limit[PF_LIMIT_STATES] / 10) * 12;
1855 pf->timeout_set[PFTM_ADAPTIVE_END] = 1;
1859 for (i = 0; i < PFTM_MAX; i++) {
1860 if ((pf->opts & PF_OPT_MERGE) && !pf->timeout_set[i])
1862 if (pfctl_load_timeout(pf, i, pf->timeout[i]))
1867 if (!(pf->opts & PF_OPT_MERGE) || pf->debug_set)
1868 if (pfctl_load_debug(pf, pf->debug))
1872 if (!(pf->opts & PF_OPT_MERGE) || pf->ifname_set)
1873 if (pfctl_load_logif(pf, pf->ifname))
1877 if (!(pf->opts & PF_OPT_MERGE) || pf->hostid_set)
1878 if (pfctl_load_hostid(pf, pf->hostid))
1881 /* load keepcounters */
1882 if (pfctl_set_keepcounters(pf->dev, pf->keep_counters))
1885 /* load syncookies settings */
1886 if (pfctl_load_syncookies(pf, pf->syncookies))
1893 pfctl_set_limit(struct pfctl *pf, const char *opt, unsigned int limit)
1898 for (i = 0; pf_limits[i].name; i++) {
1899 if (strcasecmp(opt, pf_limits[i].name) == 0) {
1900 pf->limit[pf_limits[i].index] = limit;
1901 pf->limit_set[pf_limits[i].index] = 1;
1905 if (pf_limits[i].name == NULL) {
1906 warnx("Bad pool name.");
1910 if (pf->opts & PF_OPT_VERBOSE)
1911 printf("set limit %s %d\n", opt, limit);
1917 pfctl_load_limit(struct pfctl *pf, unsigned int index, unsigned int limit)
1919 struct pfioc_limit pl;
1921 memset(&pl, 0, sizeof(pl));
1924 if (ioctl(pf->dev, DIOCSETLIMIT, &pl)) {
1926 warnx("Current pool size exceeds requested hard limit");
1928 warnx("DIOCSETLIMIT");
1935 pfctl_set_timeout(struct pfctl *pf, const char *opt, int seconds, int quiet)
1939 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1942 for (i = 0; pf_timeouts[i].name; i++) {
1943 if (strcasecmp(opt, pf_timeouts[i].name) == 0) {
1944 pf->timeout[pf_timeouts[i].timeout] = seconds;
1945 pf->timeout_set[pf_timeouts[i].timeout] = 1;
1950 if (pf_timeouts[i].name == NULL) {
1951 warnx("Bad timeout name.");
1956 if (pf->opts & PF_OPT_VERBOSE && ! quiet)
1957 printf("set timeout %s %d\n", opt, seconds);
1963 pfctl_load_timeout(struct pfctl *pf, unsigned int timeout, unsigned int seconds)
1967 memset(&pt, 0, sizeof(pt));
1968 pt.timeout = timeout;
1969 pt.seconds = seconds;
1970 if (ioctl(pf->dev, DIOCSETTIMEOUT, &pt)) {
1971 warnx("DIOCSETTIMEOUT");
1978 pfctl_set_optimization(struct pfctl *pf, const char *opt)
1980 const struct pf_hint *hint;
1983 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
1986 for (i = 0; pf_hints[i].name; i++)
1987 if (strcasecmp(opt, pf_hints[i].name) == 0)
1990 hint = pf_hints[i].hint;
1992 warnx("invalid state timeouts optimization");
1996 for (i = 0; hint[i].name; i++)
1997 if ((r = pfctl_set_timeout(pf, hint[i].name,
1998 hint[i].timeout, 1)))
2001 if (pf->opts & PF_OPT_VERBOSE)
2002 printf("set optimization %s\n", opt);
2008 pfctl_set_logif(struct pfctl *pf, char *ifname)
2011 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
2014 if (!strcmp(ifname, "none")) {
2018 pf->ifname = strdup(ifname);
2020 errx(1, "pfctl_set_logif: strdup");
2024 if (pf->opts & PF_OPT_VERBOSE)
2025 printf("set loginterface %s\n", ifname);
2031 pfctl_load_logif(struct pfctl *pf, char *ifname)
2035 memset(&pi, 0, sizeof(pi));
2036 if (ifname && strlcpy(pi.ifname, ifname,
2037 sizeof(pi.ifname)) >= sizeof(pi.ifname)) {
2038 warnx("pfctl_load_logif: strlcpy");
2041 if (ioctl(pf->dev, DIOCSETSTATUSIF, &pi)) {
2042 warnx("DIOCSETSTATUSIF");
2049 pfctl_set_hostid(struct pfctl *pf, u_int32_t hostid)
2051 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
2056 pf->hostid = hostid;
2059 if (pf->opts & PF_OPT_VERBOSE)
2060 printf("set hostid 0x%08x\n", ntohl(hostid));
2066 pfctl_load_hostid(struct pfctl *pf, u_int32_t hostid)
2068 if (ioctl(dev, DIOCSETHOSTID, &hostid)) {
2069 warnx("DIOCSETHOSTID");
2076 pfctl_load_syncookies(struct pfctl *pf, u_int8_t val)
2078 struct pfctl_syncookies cookies;
2080 bzero(&cookies, sizeof(cookies));
2083 cookies.lowwater = pf->syncookieswat[0];
2084 cookies.highwater = pf->syncookieswat[1];
2086 if (pfctl_set_syncookies(dev, &cookies)) {
2087 warnx("DIOCSETSYNCOOKIES");
2094 pfctl_cfg_syncookies(struct pfctl *pf, uint8_t val, struct pfctl_watermarks *w)
2096 if (val != PF_SYNCOOKIES_ADAPTIVE && w != NULL) {
2097 warnx("syncookies start/end only apply to adaptive");
2100 if (val == PF_SYNCOOKIES_ADAPTIVE && w != NULL) {
2102 w->hi = PF_SYNCOOKIES_HIWATPCT;
2105 if (w->lo >= w->hi) {
2106 warnx("start must be higher than end");
2109 pf->syncookieswat[0] = w->lo;
2110 pf->syncookieswat[1] = w->hi;
2111 pf->syncookieswat_set = 1;
2114 if (pf->opts & PF_OPT_VERBOSE) {
2115 if (val == PF_SYNCOOKIES_NEVER)
2116 printf("set syncookies never\n");
2117 else if (val == PF_SYNCOOKIES_ALWAYS)
2118 printf("set syncookies always\n");
2119 else if (val == PF_SYNCOOKIES_ADAPTIVE) {
2120 if (pf->syncookieswat_set)
2121 printf("set syncookies adaptive (start %u%%, "
2122 "end %u%%)\n", pf->syncookieswat[1],
2123 pf->syncookieswat[0]);
2125 printf("set syncookies adaptive\n");
2126 } else { /* cannot happen */
2127 warnx("king bula ate all syncookies");
2132 pf->syncookies = val;
2137 pfctl_set_debug(struct pfctl *pf, char *d)
2141 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
2144 if (!strcmp(d, "none"))
2145 pf->debug = PF_DEBUG_NONE;
2146 else if (!strcmp(d, "urgent"))
2147 pf->debug = PF_DEBUG_URGENT;
2148 else if (!strcmp(d, "misc"))
2149 pf->debug = PF_DEBUG_MISC;
2150 else if (!strcmp(d, "loud"))
2151 pf->debug = PF_DEBUG_NOISY;
2153 warnx("unknown debug level \"%s\"", d);
2160 if ((pf->opts & PF_OPT_NOACTION) == 0)
2161 if (ioctl(dev, DIOCSETDEBUG, &level))
2162 err(1, "DIOCSETDEBUG");
2164 if (pf->opts & PF_OPT_VERBOSE)
2165 printf("set debug %s\n", d);
2171 pfctl_load_debug(struct pfctl *pf, unsigned int level)
2173 if (ioctl(pf->dev, DIOCSETDEBUG, &level)) {
2174 warnx("DIOCSETDEBUG");
2181 pfctl_set_interface_flags(struct pfctl *pf, char *ifname, int flags, int how)
2183 struct pfioc_iface pi;
2184 struct node_host *h = NULL, *n = NULL;
2186 if ((loadopt & PFCTL_FLAG_OPTION) == 0)
2189 bzero(&pi, sizeof(pi));
2191 pi.pfiio_flags = flags;
2193 /* Make sure our cache matches the kernel. If we set or clear the flag
2194 * for a group this applies to all members. */
2195 h = ifa_grouplookup(ifname, 0);
2196 for (n = h; n != NULL; n = n->next)
2197 pfctl_set_interface_flags(pf, n->ifname, flags, how);
2199 if (strlcpy(pi.pfiio_name, ifname, sizeof(pi.pfiio_name)) >=
2200 sizeof(pi.pfiio_name))
2201 errx(1, "pfctl_set_interface_flags: strlcpy");
2203 if ((pf->opts & PF_OPT_NOACTION) == 0) {
2205 if (ioctl(pf->dev, DIOCCLRIFFLAG, &pi))
2206 err(1, "DIOCCLRIFFLAG");
2208 if (ioctl(pf->dev, DIOCSETIFFLAG, &pi))
2209 err(1, "DIOCSETIFFLAG");
2210 pfctl_check_skip_ifaces(ifname);
2217 pfctl_debug(int dev, u_int32_t level, int opts)
2219 if (ioctl(dev, DIOCSETDEBUG, &level))
2220 err(1, "DIOCSETDEBUG");
2221 if ((opts & PF_OPT_QUIET) == 0) {
2222 fprintf(stderr, "debug level set to '");
2225 fprintf(stderr, "none");
2227 case PF_DEBUG_URGENT:
2228 fprintf(stderr, "urgent");
2231 fprintf(stderr, "misc");
2233 case PF_DEBUG_NOISY:
2234 fprintf(stderr, "loud");
2237 fprintf(stderr, "<invalid>");
2240 fprintf(stderr, "'\n");
2245 pfctl_test_altqsupport(int dev, int opts)
2247 struct pfioc_altq pa;
2249 pa.version = PFIOC_ALTQ_VERSION;
2250 if (ioctl(dev, DIOCGETALTQS, &pa)) {
2251 if (errno == ENODEV) {
2252 if (opts & PF_OPT_VERBOSE)
2253 fprintf(stderr, "No ALTQ support in kernel\n"
2254 "ALTQ related functions disabled\n");
2257 err(1, "DIOCGETALTQS");
2263 pfctl_show_anchors(int dev, int opts, char *anchorname)
2265 struct pfioc_ruleset pr;
2268 memset(&pr, 0, sizeof(pr));
2269 memcpy(pr.path, anchorname, sizeof(pr.path));
2270 if (ioctl(dev, DIOCGETRULESETS, &pr)) {
2271 if (errno == EINVAL)
2272 fprintf(stderr, "Anchor '%s' not found.\n",
2275 err(1, "DIOCGETRULESETS");
2279 for (nr = 0; nr < mnr; ++nr) {
2280 char sub[MAXPATHLEN];
2283 if (ioctl(dev, DIOCGETRULESET, &pr))
2284 err(1, "DIOCGETRULESET");
2285 if (!strcmp(pr.name, PF_RESERVED_ANCHOR))
2289 strlcat(sub, pr.path, sizeof(sub));
2290 strlcat(sub, "/", sizeof(sub));
2292 strlcat(sub, pr.name, sizeof(sub));
2293 if (sub[0] != '_' || (opts & PF_OPT_VERBOSE))
2294 printf(" %s\n", sub);
2295 if ((opts & PF_OPT_VERBOSE) && pfctl_show_anchors(dev, opts, sub))
2302 pfctl_lookup_option(char *cmd, const char * const *list)
2304 if (cmd != NULL && *cmd)
2305 for (; *list; list++)
2306 if (!strncmp(cmd, *list, strlen(cmd)))
2312 main(int argc, char *argv[])
2316 int mode = O_RDONLY;
2318 int optimize = PF_OPTIMIZE_BASIC;
2319 char anchorname[MAXPATHLEN];
2325 while ((ch = getopt(argc, argv,
2326 "a:AdD:eqf:F:ghi:k:K:mMnNOo:Pp:rRs:t:T:vx:z")) != -1) {
2332 opts |= PF_OPT_DISABLE;
2336 if (pfctl_cmdline_symset(optarg) < 0)
2337 warnx("could not parse macro definition %s",
2341 opts |= PF_OPT_ENABLE;
2345 opts |= PF_OPT_QUIET;
2348 clearopt = pfctl_lookup_option(optarg, clearopt_list);
2349 if (clearopt == NULL) {
2350 warnx("Unknown flush modifier '%s'", optarg);
2359 if (state_killers >= 2) {
2360 warnx("can only specify -k twice");
2364 state_kill[state_killers++] = optarg;
2368 if (src_node_killers >= 2) {
2369 warnx("can only specify -K twice");
2373 src_node_kill[src_node_killers++] = optarg;
2377 opts |= PF_OPT_MERGE;
2380 opts |= PF_OPT_KILLMATCH;
2383 opts |= PF_OPT_NOACTION;
2386 loadopt |= PFCTL_FLAG_NAT;
2389 opts |= PF_OPT_USEDNS;
2396 opts |= PF_OPT_DEBUG;
2399 loadopt |= PFCTL_FLAG_ALTQ;
2402 loadopt |= PFCTL_FLAG_FILTER;
2405 optiopt = pfctl_lookup_option(optarg, optiopt_list);
2406 if (optiopt == NULL) {
2407 warnx("Unknown optimization '%s'", optarg);
2410 opts |= PF_OPT_OPTIMIZE;
2413 loadopt |= PFCTL_FLAG_OPTION;
2419 opts |= PF_OPT_NUMERIC;
2422 showopt = pfctl_lookup_option(optarg, showopt_list);
2423 if (showopt == NULL) {
2424 warnx("Unknown show modifier '%s'", optarg);
2432 tblcmdopt = pfctl_lookup_option(optarg, tblcmdopt_list);
2433 if (tblcmdopt == NULL) {
2434 warnx("Unknown table command '%s'", optarg);
2439 if (opts & PF_OPT_VERBOSE)
2440 opts |= PF_OPT_VERBOSE2;
2441 opts |= PF_OPT_VERBOSE;
2444 debugopt = pfctl_lookup_option(optarg, debugopt_list);
2445 if (debugopt == NULL) {
2446 warnx("Unknown debug level '%s'", optarg);
2452 opts |= PF_OPT_CLRRULECTRS;
2463 if (tblcmdopt != NULL) {
2468 loadopt |= PFCTL_FLAG_TABLE;
2471 mode = strchr("acdefkrz", ch) ? O_RDWR : O_RDONLY;
2472 } else if (argc != optind) {
2473 warnx("unknown command line argument: %s ...", argv[optind]);
2480 if ((path = calloc(1, MAXPATHLEN)) == NULL)
2481 errx(1, "pfctl: calloc");
2482 memset(anchorname, 0, sizeof(anchorname));
2483 if (anchoropt != NULL) {
2484 int len = strlen(anchoropt);
2486 if (anchoropt[len - 1] == '*') {
2487 if (len >= 2 && anchoropt[len - 2] == '/')
2488 anchoropt[len - 2] = '\0';
2490 anchoropt[len - 1] = '\0';
2491 opts |= PF_OPT_RECURSE;
2493 if (strlcpy(anchorname, anchoropt,
2494 sizeof(anchorname)) >= sizeof(anchorname))
2495 errx(1, "anchor name '%s' too long",
2497 loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE;
2500 if ((opts & PF_OPT_NOACTION) == 0) {
2501 dev = open(pf_device, mode);
2503 err(1, "%s", pf_device);
2504 altqsupport = pfctl_test_altqsupport(dev, opts);
2506 dev = open(pf_device, O_RDONLY);
2508 opts |= PF_OPT_DUMMYACTION;
2509 /* turn off options */
2510 opts &= ~ (PF_OPT_DISABLE | PF_OPT_ENABLE);
2511 clearopt = showopt = debugopt = NULL;
2512 #if !defined(ENABLE_ALTQ)
2519 if (opts & PF_OPT_DISABLE)
2520 if (pfctl_disable(dev, opts))
2523 if (showopt != NULL) {
2526 pfctl_show_anchors(dev, opts, anchorname);
2529 pfctl_load_fingerprints(dev, opts);
2530 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_RULES,
2534 pfctl_load_fingerprints(dev, opts);
2535 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_LABELS,
2539 pfctl_load_fingerprints(dev, opts);
2540 pfctl_show_nat(dev, opts, anchorname);
2543 pfctl_show_altq(dev, ifaceopt, opts,
2544 opts & PF_OPT_VERBOSE2);
2547 pfctl_show_states(dev, ifaceopt, opts);
2550 pfctl_show_src_nodes(dev, opts);
2553 pfctl_show_status(dev, opts);
2556 error = pfctl_show_running(dev);
2559 pfctl_show_timeouts(dev, opts);
2562 pfctl_show_limits(dev, opts);
2565 opts |= PF_OPT_SHOWALL;
2566 pfctl_load_fingerprints(dev, opts);
2568 pfctl_show_nat(dev, opts, anchorname);
2569 pfctl_show_rules(dev, path, opts, 0, anchorname, 0);
2570 pfctl_show_altq(dev, ifaceopt, opts, 0);
2571 pfctl_show_states(dev, ifaceopt, opts);
2572 pfctl_show_src_nodes(dev, opts);
2573 pfctl_show_status(dev, opts);
2574 pfctl_show_rules(dev, path, opts, 1, anchorname, 0);
2575 pfctl_show_timeouts(dev, opts);
2576 pfctl_show_limits(dev, opts);
2577 pfctl_show_tables(anchorname, opts);
2578 pfctl_show_fingerprints(opts);
2581 pfctl_show_tables(anchorname, opts);
2584 pfctl_load_fingerprints(dev, opts);
2585 pfctl_show_fingerprints(opts);
2588 pfctl_show_ifaces(ifaceopt, opts);
2593 if ((opts & PF_OPT_CLRRULECTRS) && showopt == NULL)
2594 pfctl_show_rules(dev, path, opts, PFCTL_SHOW_NOTHING,
2597 if (clearopt != NULL) {
2598 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL)
2599 errx(1, "anchor names beginning with '_' cannot "
2600 "be modified from the command line");
2602 switch (*clearopt) {
2604 pfctl_clear_rules(dev, opts, anchorname);
2607 pfctl_clear_nat(dev, opts, anchorname);
2610 pfctl_clear_altq(dev, opts);
2613 pfctl_clear_iface_states(dev, ifaceopt, opts);
2616 pfctl_clear_src_nodes(dev, opts);
2619 pfctl_clear_stats(dev, opts);
2622 pfctl_clear_rules(dev, opts, anchorname);
2623 pfctl_clear_nat(dev, opts, anchorname);
2624 pfctl_clear_tables(anchorname, opts);
2626 pfctl_clear_altq(dev, opts);
2627 pfctl_clear_iface_states(dev, ifaceopt, opts);
2628 pfctl_clear_src_nodes(dev, opts);
2629 pfctl_clear_stats(dev, opts);
2630 pfctl_clear_fingerprints(dev, opts);
2631 pfctl_clear_interface_flags(dev, opts);
2635 pfctl_clear_fingerprints(dev, opts);
2638 pfctl_clear_tables(anchorname, opts);
2642 if (state_killers) {
2643 if (!strcmp(state_kill[0], "label"))
2644 pfctl_label_kill_states(dev, ifaceopt, opts);
2645 else if (!strcmp(state_kill[0], "id"))
2646 pfctl_id_kill_states(dev, ifaceopt, opts);
2647 else if (!strcmp(state_kill[0], "gateway"))
2648 pfctl_gateway_kill_states(dev, ifaceopt, opts);
2650 pfctl_net_kill_states(dev, ifaceopt, opts);
2653 if (src_node_killers)
2654 pfctl_kill_src_nodes(dev, ifaceopt, opts);
2656 if (tblcmdopt != NULL) {
2657 error = pfctl_command_tables(argc, argv, tableopt,
2658 tblcmdopt, rulesopt, anchorname, opts);
2661 if (optiopt != NULL) {
2667 optimize |= PF_OPTIMIZE_BASIC;
2671 optimize |= PF_OPTIMIZE_PROFILE;
2676 if ((rulesopt != NULL) && (loadopt & PFCTL_FLAG_OPTION) &&
2677 !anchorname[0] && !(opts & PF_OPT_NOACTION))
2678 if (pfctl_get_skip_ifaces())
2681 if (rulesopt != NULL && !(opts & (PF_OPT_MERGE|PF_OPT_NOACTION)) &&
2682 !anchorname[0] && (loadopt & PFCTL_FLAG_OPTION))
2683 if (pfctl_file_fingerprints(dev, opts, PF_OSFP_FILE))
2686 if (rulesopt != NULL) {
2687 if (anchorname[0] == '_' || strstr(anchorname, "/_") != NULL)
2688 errx(1, "anchor names beginning with '_' cannot "
2689 "be modified from the command line");
2690 if (pfctl_rules(dev, rulesopt, opts, optimize,
2693 else if (!(opts & PF_OPT_NOACTION) &&
2694 (loadopt & PFCTL_FLAG_TABLE))
2695 warn_namespace_collision(NULL);
2698 if (opts & PF_OPT_ENABLE)
2699 if (pfctl_enable(dev, opts))
2702 if (debugopt != NULL) {
2703 switch (*debugopt) {
2705 pfctl_debug(dev, PF_DEBUG_NONE, opts);
2708 pfctl_debug(dev, PF_DEBUG_URGENT, opts);
2711 pfctl_debug(dev, PF_DEBUG_MISC, opts);
2714 pfctl_debug(dev, PF_DEBUG_NOISY, opts);