1 /* $OpenBSD: pfctl_parser.c,v 1.240 2008/06/10 20:55:02 mcbride 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 #include <sys/types.h>
40 #include <sys/ioctl.h>
41 #include <sys/socket.h>
42 #include <sys/param.h>
45 #include <netinet/in.h>
46 #include <netinet/in_systm.h>
47 #include <netinet/ip.h>
48 #include <netinet/ip_icmp.h>
49 #include <netinet/icmp6.h>
50 #include <net/pfvar.h>
51 #include <arpa/inet.h>
64 #include "pfctl_parser.h"
67 void print_op (u_int8_t, const char *, const char *);
68 void print_port (u_int8_t, u_int16_t, u_int16_t, const char *, int);
69 void print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned);
70 void print_flags (u_int8_t);
71 void print_fromto(struct pf_rule_addr *, pf_osfp_t,
72 struct pf_rule_addr *, u_int8_t, u_int8_t, int, int);
73 int ifa_skip_if(const char *filter, struct node_host *p);
75 struct node_host *ifa_grouplookup(const char *, int);
76 struct node_host *host_if(const char *, int);
77 struct node_host *host_v4(const char *, int);
78 struct node_host *host_v6(const char *, int);
79 struct node_host *host_dns(const char *, int, int);
81 const char * const tcpflags = "FSRPAUEW";
83 static const struct icmptypeent icmp_type[] = {
84 { "echoreq", ICMP_ECHO },
85 { "echorep", ICMP_ECHOREPLY },
86 { "unreach", ICMP_UNREACH },
87 { "squench", ICMP_SOURCEQUENCH },
88 { "redir", ICMP_REDIRECT },
89 { "althost", ICMP_ALTHOSTADDR },
90 { "routeradv", ICMP_ROUTERADVERT },
91 { "routersol", ICMP_ROUTERSOLICIT },
92 { "timex", ICMP_TIMXCEED },
93 { "paramprob", ICMP_PARAMPROB },
94 { "timereq", ICMP_TSTAMP },
95 { "timerep", ICMP_TSTAMPREPLY },
96 { "inforeq", ICMP_IREQ },
97 { "inforep", ICMP_IREQREPLY },
98 { "maskreq", ICMP_MASKREQ },
99 { "maskrep", ICMP_MASKREPLY },
100 { "trace", ICMP_TRACEROUTE },
101 { "dataconv", ICMP_DATACONVERR },
102 { "mobredir", ICMP_MOBILE_REDIRECT },
103 { "ipv6-where", ICMP_IPV6_WHEREAREYOU },
104 { "ipv6-here", ICMP_IPV6_IAMHERE },
105 { "mobregreq", ICMP_MOBILE_REGREQUEST },
106 { "mobregrep", ICMP_MOBILE_REGREPLY },
107 { "skip", ICMP_SKIP },
108 { "photuris", ICMP_PHOTURIS }
111 static const struct icmptypeent icmp6_type[] = {
112 { "unreach", ICMP6_DST_UNREACH },
113 { "toobig", ICMP6_PACKET_TOO_BIG },
114 { "timex", ICMP6_TIME_EXCEEDED },
115 { "paramprob", ICMP6_PARAM_PROB },
116 { "echoreq", ICMP6_ECHO_REQUEST },
117 { "echorep", ICMP6_ECHO_REPLY },
118 { "groupqry", ICMP6_MEMBERSHIP_QUERY },
119 { "listqry", MLD_LISTENER_QUERY },
120 { "grouprep", ICMP6_MEMBERSHIP_REPORT },
121 { "listenrep", MLD_LISTENER_REPORT },
122 { "groupterm", ICMP6_MEMBERSHIP_REDUCTION },
123 { "listendone", MLD_LISTENER_DONE },
124 { "routersol", ND_ROUTER_SOLICIT },
125 { "routeradv", ND_ROUTER_ADVERT },
126 { "neighbrsol", ND_NEIGHBOR_SOLICIT },
127 { "neighbradv", ND_NEIGHBOR_ADVERT },
128 { "redir", ND_REDIRECT },
129 { "routrrenum", ICMP6_ROUTER_RENUMBERING },
130 { "wrureq", ICMP6_WRUREQUEST },
131 { "wrurep", ICMP6_WRUREPLY },
132 { "fqdnreq", ICMP6_FQDN_QUERY },
133 { "fqdnrep", ICMP6_FQDN_REPLY },
134 { "niqry", ICMP6_NI_QUERY },
135 { "nirep", ICMP6_NI_REPLY },
136 { "mtraceresp", MLD_MTRACE_RESP },
137 { "mtrace", MLD_MTRACE }
140 static const struct icmpcodeent icmp_code[] = {
141 { "net-unr", ICMP_UNREACH, ICMP_UNREACH_NET },
142 { "host-unr", ICMP_UNREACH, ICMP_UNREACH_HOST },
143 { "proto-unr", ICMP_UNREACH, ICMP_UNREACH_PROTOCOL },
144 { "port-unr", ICMP_UNREACH, ICMP_UNREACH_PORT },
145 { "needfrag", ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG },
146 { "srcfail", ICMP_UNREACH, ICMP_UNREACH_SRCFAIL },
147 { "net-unk", ICMP_UNREACH, ICMP_UNREACH_NET_UNKNOWN },
148 { "host-unk", ICMP_UNREACH, ICMP_UNREACH_HOST_UNKNOWN },
149 { "isolate", ICMP_UNREACH, ICMP_UNREACH_ISOLATED },
150 { "net-prohib", ICMP_UNREACH, ICMP_UNREACH_NET_PROHIB },
151 { "host-prohib", ICMP_UNREACH, ICMP_UNREACH_HOST_PROHIB },
152 { "net-tos", ICMP_UNREACH, ICMP_UNREACH_TOSNET },
153 { "host-tos", ICMP_UNREACH, ICMP_UNREACH_TOSHOST },
154 { "filter-prohib", ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB },
155 { "host-preced", ICMP_UNREACH, ICMP_UNREACH_HOST_PRECEDENCE },
156 { "cutoff-preced", ICMP_UNREACH, ICMP_UNREACH_PRECEDENCE_CUTOFF },
157 { "redir-net", ICMP_REDIRECT, ICMP_REDIRECT_NET },
158 { "redir-host", ICMP_REDIRECT, ICMP_REDIRECT_HOST },
159 { "redir-tos-net", ICMP_REDIRECT, ICMP_REDIRECT_TOSNET },
160 { "redir-tos-host", ICMP_REDIRECT, ICMP_REDIRECT_TOSHOST },
161 { "normal-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NORMAL },
162 { "common-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NOROUTE_COMMON },
163 { "transit", ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS },
164 { "reassemb", ICMP_TIMXCEED, ICMP_TIMXCEED_REASS },
165 { "badhead", ICMP_PARAMPROB, ICMP_PARAMPROB_ERRATPTR },
166 { "optmiss", ICMP_PARAMPROB, ICMP_PARAMPROB_OPTABSENT },
167 { "badlen", ICMP_PARAMPROB, ICMP_PARAMPROB_LENGTH },
168 { "unknown-ind", ICMP_PHOTURIS, ICMP_PHOTURIS_UNKNOWN_INDEX },
169 { "auth-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_AUTH_FAILED },
170 { "decrypt-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_DECRYPT_FAILED }
173 static const struct icmpcodeent icmp6_code[] = {
174 { "admin-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN },
175 { "noroute-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE },
176 { "notnbr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOTNEIGHBOR },
177 { "beyond-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_BEYONDSCOPE },
178 { "addr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR },
179 { "port-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT },
180 { "transit", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_TRANSIT },
181 { "reassemb", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_REASSEMBLY },
182 { "badhead", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER },
183 { "nxthdr", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_NEXTHEADER },
184 { "redironlink", ND_REDIRECT, ND_REDIRECT_ONLINK },
185 { "redirrouter", ND_REDIRECT, ND_REDIRECT_ROUTER }
188 const struct pf_timeout pf_timeouts[] = {
189 { "tcp.first", PFTM_TCP_FIRST_PACKET },
190 { "tcp.opening", PFTM_TCP_OPENING },
191 { "tcp.established", PFTM_TCP_ESTABLISHED },
192 { "tcp.closing", PFTM_TCP_CLOSING },
193 { "tcp.finwait", PFTM_TCP_FIN_WAIT },
194 { "tcp.closed", PFTM_TCP_CLOSED },
195 { "tcp.tsdiff", PFTM_TS_DIFF },
196 { "udp.first", PFTM_UDP_FIRST_PACKET },
197 { "udp.single", PFTM_UDP_SINGLE },
198 { "udp.multiple", PFTM_UDP_MULTIPLE },
199 { "icmp.first", PFTM_ICMP_FIRST_PACKET },
200 { "icmp.error", PFTM_ICMP_ERROR_REPLY },
201 { "other.first", PFTM_OTHER_FIRST_PACKET },
202 { "other.single", PFTM_OTHER_SINGLE },
203 { "other.multiple", PFTM_OTHER_MULTIPLE },
204 { "frag", PFTM_FRAG },
205 { "interval", PFTM_INTERVAL },
206 { "adaptive.start", PFTM_ADAPTIVE_START },
207 { "adaptive.end", PFTM_ADAPTIVE_END },
208 { "src.track", PFTM_SRC_NODE },
212 const struct icmptypeent *
213 geticmptypebynumber(u_int8_t type, sa_family_t af)
217 if (af != AF_INET6) {
218 for (i=0; i < nitems(icmp_type); i++) {
219 if (type == icmp_type[i].type)
220 return (&icmp_type[i]);
223 for (i=0; i < nitems(icmp6_type); i++) {
224 if (type == icmp6_type[i].type)
225 return (&icmp6_type[i]);
231 const struct icmptypeent *
232 geticmptypebyname(char *w, sa_family_t af)
236 if (af != AF_INET6) {
237 for (i=0; i < nitems(icmp_type); i++) {
238 if (!strcmp(w, icmp_type[i].name))
239 return (&icmp_type[i]);
242 for (i=0; i < nitems(icmp6_type); i++) {
243 if (!strcmp(w, icmp6_type[i].name))
244 return (&icmp6_type[i]);
250 const struct icmpcodeent *
251 geticmpcodebynumber(u_int8_t type, u_int8_t code, sa_family_t af)
255 if (af != AF_INET6) {
256 for (i=0; i < nitems(icmp_code); i++) {
257 if (type == icmp_code[i].type &&
258 code == icmp_code[i].code)
259 return (&icmp_code[i]);
262 for (i=0; i < nitems(icmp6_code); i++) {
263 if (type == icmp6_code[i].type &&
264 code == icmp6_code[i].code)
265 return (&icmp6_code[i]);
271 const struct icmpcodeent *
272 geticmpcodebyname(u_long type, char *w, sa_family_t af)
276 if (af != AF_INET6) {
277 for (i=0; i < nitems(icmp_code); i++) {
278 if (type == icmp_code[i].type &&
279 !strcmp(w, icmp_code[i].name))
280 return (&icmp_code[i]);
283 for (i=0; i < nitems(icmp6_code); i++) {
284 if (type == icmp6_code[i].type &&
285 !strcmp(w, icmp6_code[i].name))
286 return (&icmp6_code[i]);
293 print_op(u_int8_t op, const char *a1, const char *a2)
296 printf(" %s >< %s", a1, a2);
297 else if (op == PF_OP_XRG)
298 printf(" %s <> %s", a1, a2);
299 else if (op == PF_OP_EQ)
301 else if (op == PF_OP_NE)
302 printf(" != %s", a1);
303 else if (op == PF_OP_LT)
305 else if (op == PF_OP_LE)
306 printf(" <= %s", a1);
307 else if (op == PF_OP_GT)
309 else if (op == PF_OP_GE)
310 printf(" >= %s", a1);
311 else if (op == PF_OP_RRG)
312 printf(" %s:%s", a1, a2);
316 print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto, int numeric)
322 s = getservbyport(p1, proto);
327 snprintf(a1, sizeof(a1), "%u", p1);
328 snprintf(a2, sizeof(a2), "%u", p2);
330 if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE))
331 print_op(op, s->s_name, a2);
333 print_op(op, a1, a2);
337 print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax)
341 snprintf(a1, sizeof(a1), "%u", u1);
342 snprintf(a2, sizeof(a2), "%u", u2);
344 if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE))
345 print_op(op, "unknown", a2);
347 print_op(op, a1, a2);
351 print_flags(u_int8_t f)
355 for (i = 0; tcpflags[i]; ++i)
357 printf("%c", tcpflags[i]);
361 print_fromto(struct pf_rule_addr *src, pf_osfp_t osfp, struct pf_rule_addr *dst,
362 sa_family_t af, u_int8_t proto, int verbose, int numeric)
364 char buf[PF_OSFP_LEN*3];
365 if (src->addr.type == PF_ADDR_ADDRMASK &&
366 dst->addr.type == PF_ADDR_ADDRMASK &&
367 PF_AZERO(&src->addr.v.a.addr, AF_INET6) &&
368 PF_AZERO(&src->addr.v.a.mask, AF_INET6) &&
369 PF_AZERO(&dst->addr.v.a.addr, AF_INET6) &&
370 PF_AZERO(&dst->addr.v.a.mask, AF_INET6) &&
371 !src->neg && !dst->neg &&
372 !src->port_op && !dst->port_op &&
379 print_addr(&src->addr, af, verbose);
381 print_port(src->port_op, src->port[0],
383 proto == IPPROTO_TCP ? "tcp" : "udp",
385 if (osfp != PF_OSFP_ANY)
386 printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf,
392 print_addr(&dst->addr, af, verbose);
394 print_port(dst->port_op, dst->port[0],
396 proto == IPPROTO_TCP ? "tcp" : "udp",
402 print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2,
403 sa_family_t af, int id)
405 struct pf_pooladdr *pooladdr;
407 if ((TAILQ_FIRST(&pool->list) != NULL) &&
408 TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
410 TAILQ_FOREACH(pooladdr, &pool->list, entries){
415 print_addr(&pooladdr->addr, af, 0);
418 if (PF_AZERO(&pooladdr->addr.v.a.addr, af))
419 printf("%s", pooladdr->ifname);
421 printf("(%s ", pooladdr->ifname);
422 print_addr(&pooladdr->addr, af, 0);
429 if (TAILQ_NEXT(pooladdr, entries) != NULL)
431 else if (TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
436 if ((p1 != PF_NAT_PROXY_PORT_LOW ||
437 p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) {
439 printf(" port %u", p1);
441 printf(" port %u:%u", p1, p2);
446 printf(" port %u", p1);
447 if (p2 && (p2 != p1))
454 switch (pool->opts & PF_POOL_TYPEMASK) {
457 case PF_POOL_BITMASK:
463 case PF_POOL_SRCHASH:
464 printf(" source-hash 0x%08x%08x%08x%08x",
465 pool->key.key32[0], pool->key.key32[1],
466 pool->key.key32[2], pool->key.key32[3]);
468 case PF_POOL_ROUNDROBIN:
469 printf(" round-robin");
472 if (pool->opts & PF_POOL_STICKYADDR)
473 printf(" sticky-address");
474 if (id == PF_NAT && p1 == 0 && p2 == 0)
475 printf(" static-port");
478 const char * const pf_reasons[PFRES_MAX+1] = PFRES_NAMES;
479 const char * const pf_lcounters[LCNT_MAX+1] = LCNT_NAMES;
480 const char * const pf_fcounters[FCNT_MAX+1] = FCNT_NAMES;
481 const char * const pf_scounters[FCNT_MAX+1] = FCNT_NAMES;
484 print_status(struct pf_status *s, int opts)
486 char statline[80], *running;
489 char buf[PF_MD5_DIGEST_LENGTH * 2 + 1];
490 static const char hex[] = "0123456789abcdef";
492 runtime = time(NULL) - s->since;
493 running = s->running ? "Enabled" : "Disabled";
496 unsigned int sec, min, hrs, day = runtime;
504 snprintf(statline, sizeof(statline),
505 "Status: %s for %u days %.2u:%.2u:%.2u",
506 running, day, hrs, min, sec);
508 snprintf(statline, sizeof(statline), "Status: %s", running);
509 printf("%-44s", statline);
512 printf("%15s\n\n", "Debug: None");
514 case PF_DEBUG_URGENT:
515 printf("%15s\n\n", "Debug: Urgent");
518 printf("%15s\n\n", "Debug: Misc");
521 printf("%15s\n\n", "Debug: Loud");
525 if (opts & PF_OPT_VERBOSE) {
526 printf("Hostid: 0x%08x\n", ntohl(s->hostid));
528 for (i = 0; i < PF_MD5_DIGEST_LENGTH; i++) {
529 buf[i + i] = hex[s->pf_chksum[i] >> 4];
530 buf[i + i + 1] = hex[s->pf_chksum[i] & 0x0f];
533 printf("Checksum: 0x%s\n\n", buf);
536 if (s->ifname[0] != 0) {
537 printf("Interface Stats for %-16s %5s %16s\n",
538 s->ifname, "IPv4", "IPv6");
539 printf(" %-25s %14llu %16llu\n", "Bytes In",
540 (unsigned long long)s->bcounters[0][0],
541 (unsigned long long)s->bcounters[1][0]);
542 printf(" %-25s %14llu %16llu\n", "Bytes Out",
543 (unsigned long long)s->bcounters[0][1],
544 (unsigned long long)s->bcounters[1][1]);
545 printf(" Packets In\n");
546 printf(" %-23s %14llu %16llu\n", "Passed",
547 (unsigned long long)s->pcounters[0][0][PF_PASS],
548 (unsigned long long)s->pcounters[1][0][PF_PASS]);
549 printf(" %-23s %14llu %16llu\n", "Blocked",
550 (unsigned long long)s->pcounters[0][0][PF_DROP],
551 (unsigned long long)s->pcounters[1][0][PF_DROP]);
552 printf(" Packets Out\n");
553 printf(" %-23s %14llu %16llu\n", "Passed",
554 (unsigned long long)s->pcounters[0][1][PF_PASS],
555 (unsigned long long)s->pcounters[1][1][PF_PASS]);
556 printf(" %-23s %14llu %16llu\n\n", "Blocked",
557 (unsigned long long)s->pcounters[0][1][PF_DROP],
558 (unsigned long long)s->pcounters[1][1][PF_DROP]);
560 printf("%-27s %14s %16s\n", "State Table", "Total", "Rate");
561 printf(" %-25s %14u %14s\n", "current entries", s->states, "");
562 for (i = 0; i < FCNT_MAX; i++) {
563 printf(" %-25s %14llu ", pf_fcounters[i],
564 (unsigned long long)s->fcounters[i]);
567 (double)s->fcounters[i] / (double)runtime);
569 printf("%14s\n", "");
571 if (opts & PF_OPT_VERBOSE) {
572 printf("Source Tracking Table\n");
573 printf(" %-25s %14u %14s\n", "current entries",
575 for (i = 0; i < SCNT_MAX; i++) {
576 printf(" %-25s %14lld ", pf_scounters[i],
578 (long long)s->scounters[i]);
584 (double)s->scounters[i] / (double)runtime);
586 printf("%14s\n", "");
589 printf("Counters\n");
590 for (i = 0; i < PFRES_MAX; i++) {
591 printf(" %-25s %14llu ", pf_reasons[i],
592 (unsigned long long)s->counters[i]);
595 (double)s->counters[i] / (double)runtime);
597 printf("%14s\n", "");
599 if (opts & PF_OPT_VERBOSE) {
600 printf("Limit Counters\n");
601 for (i = 0; i < LCNT_MAX; i++) {
602 printf(" %-25s %14lld ", pf_lcounters[i],
604 (unsigned long long)s->lcounters[i]);
610 (double)s->lcounters[i] / (double)runtime);
612 printf("%14s\n", "");
618 print_running(struct pf_status *status)
620 printf("%s\n", status->running ? "Enabled" : "Disabled");
624 print_src_node(struct pf_src_node *sn, int opts)
626 struct pf_addr_wrap aw;
629 memset(&aw, 0, sizeof(aw));
630 if (sn->af == AF_INET)
631 aw.v.a.mask.addr32[0] = 0xffffffff;
633 memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask));
635 aw.v.a.addr = sn->addr;
636 print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2);
638 aw.v.a.addr = sn->raddr;
639 print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2);
640 printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states,
641 sn->conn, sn->conn_rate.count / 1000,
642 (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds);
643 if (opts & PF_OPT_VERBOSE) {
644 sec = sn->creation % 60;
646 min = sn->creation % 60;
648 printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec);
649 if (sn->states == 0) {
650 sec = sn->expire % 60;
652 min = sn->expire % 60;
654 printf(", expires in %.2u:%.2u:%.2u",
655 sn->expire, min, sec);
657 printf(", %llu pkts, %llu bytes",
659 (unsigned long long)(sn->packets[0] + sn->packets[1]),
660 (unsigned long long)(sn->bytes[0] + sn->bytes[1]));
662 sn->packets[0] + sn->packets[1],
663 sn->bytes[0] + sn->bytes[1]);
665 switch (sn->ruletype) {
667 if (sn->rule.nr != -1)
668 printf(", nat rule %u", sn->rule.nr);
671 if (sn->rule.nr != -1)
672 printf(", rdr rule %u", sn->rule.nr);
675 if (sn->rule.nr != -1)
676 printf(", filter rule %u", sn->rule.nr);
684 print_rule(struct pf_rule *r, const char *anchor_call, int verbose, int numeric)
686 static const char *actiontypes[] = { "pass", "block", "scrub",
687 "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr" };
688 static const char *anchortypes[] = { "anchor", "anchor", "anchor",
689 "anchor", "nat-anchor", "nat-anchor", "binat-anchor",
690 "binat-anchor", "rdr-anchor", "rdr-anchor" };
694 printf("@%d ", r->nr);
695 if (r->action > PF_NORDR)
696 printf("action(%d)", r->action);
697 else if (anchor_call[0]) {
698 if (anchor_call[0] == '_') {
699 printf("%s", anchortypes[r->action]);
701 printf("%s \"%s\"", anchortypes[r->action],
704 printf("%s", actiontypes[r->action]);
708 if (r->action == PF_DROP) {
709 if (r->rule_flag & PFRULE_RETURN)
711 else if (r->rule_flag & PFRULE_RETURNRST) {
713 printf(" return-rst");
715 printf(" return-rst(ttl %d)", r->return_ttl);
716 } else if (r->rule_flag & PFRULE_RETURNICMP) {
717 const struct icmpcodeent *ic, *ic6;
719 ic = geticmpcodebynumber(r->return_icmp >> 8,
720 r->return_icmp & 255, AF_INET);
721 ic6 = geticmpcodebynumber(r->return_icmp6 >> 8,
722 r->return_icmp6 & 255, AF_INET6);
726 printf(" return-icmp");
728 printf("(%u)", r->return_icmp & 255);
730 printf("(%s)", ic->name);
733 printf(" return-icmp6");
735 printf("(%u)", r->return_icmp6 & 255);
737 printf("(%s)", ic6->name);
740 printf(" return-icmp");
742 printf("(%u, ", r->return_icmp & 255);
744 printf("(%s, ", ic->name);
746 printf("%u)", r->return_icmp6 & 255);
748 printf("%s)", ic6->name);
754 if (r->direction == PF_IN)
756 else if (r->direction == PF_OUT)
760 if (r->log & ~PF_LOG || r->logif) {
764 if (r->log & PF_LOG_ALL)
765 printf("%sall", count++ ? ", " : "");
766 if (r->log & PF_LOG_SOCKET_LOOKUP)
767 printf("%suser", count++ ? ", " : "");
769 printf("%sto pflog%u", count++ ? ", " : "",
778 printf(" on ! %s", r->ifname);
780 printf(" on %s", r->ifname);
783 if (r->rt == PF_ROUTETO)
785 else if (r->rt == PF_REPLYTO)
787 else if (r->rt == PF_DUPTO)
790 print_pool(&r->rpool, 0, 0, r->af, PF_PASS);
793 if (r->af == AF_INET)
801 if ((p = getprotobynumber(r->proto)) != NULL)
802 printf(" proto %s", p->p_name);
804 printf(" proto %u", r->proto);
806 print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto,
809 print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user",
812 print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group",
814 if (r->flags || r->flagset) {
816 print_flags(r->flags);
818 print_flags(r->flagset);
819 } else if (r->action == PF_PASS &&
820 (!r->proto || r->proto == IPPROTO_TCP) &&
821 !(r->rule_flag & PFRULE_FRAGMENT) &&
822 !anchor_call[0] && r->keep_state)
823 printf(" flags any");
825 const struct icmptypeent *it;
827 it = geticmptypebynumber(r->type-1, r->af);
828 if (r->af != AF_INET6)
829 printf(" icmp-type");
831 printf(" icmp6-type");
833 printf(" %s", it->name);
835 printf(" %u", r->type-1);
837 const struct icmpcodeent *ic;
839 ic = geticmpcodebynumber(r->type-1, r->code-1, r->af);
841 printf(" code %s", ic->name);
843 printf(" code %u", r->code-1);
847 printf(" tos 0x%2.2x", r->tos);
849 printf(" prio %u", r->prio == PF_PRIO_ZERO ? 0 : r->prio);
850 if (r->scrub_flags & PFSTATE_SETMASK) {
853 if (r->scrub_flags & PFSTATE_SETPRIO) {
854 if (r->set_prio[0] == r->set_prio[1])
855 printf("%s prio %u", comma, r->set_prio[0]);
857 printf("%s prio(%u, %u)", comma, r->set_prio[0],
863 if (!r->keep_state && r->action == PF_PASS && !anchor_call[0])
865 else if (r->keep_state == PF_STATE_NORMAL)
866 printf(" keep state");
867 else if (r->keep_state == PF_STATE_MODULATE)
868 printf(" modulate state");
869 else if (r->keep_state == PF_STATE_SYNPROXY)
870 printf(" synproxy state");
874 snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0));
875 for (i = strlen(buf)-1; i > 0; i--) {
884 printf(" probability %s%%", buf);
887 if (r->max_states || r->max_src_nodes || r->max_src_states)
889 if (r->rule_flag & PFRULE_NOSYNC)
891 if (r->rule_flag & PFRULE_SRCTRACK)
893 if (r->rule_flag & PFRULE_IFBOUND)
895 if (r->rule_flag & PFRULE_STATESLOPPY)
897 for (i = 0; !opts && i < PFTM_MAX; ++i)
903 printf("max %u", r->max_states);
906 if (r->rule_flag & PFRULE_NOSYNC) {
912 if (r->rule_flag & PFRULE_SRCTRACK) {
915 printf("source-track");
916 if (r->rule_flag & PFRULE_RULESRCTRACK)
922 if (r->max_src_states) {
925 printf("max-src-states %u", r->max_src_states);
928 if (r->max_src_conn) {
931 printf("max-src-conn %u", r->max_src_conn);
934 if (r->max_src_conn_rate.limit) {
937 printf("max-src-conn-rate %u/%u",
938 r->max_src_conn_rate.limit,
939 r->max_src_conn_rate.seconds);
942 if (r->max_src_nodes) {
945 printf("max-src-nodes %u", r->max_src_nodes);
948 if (r->overload_tblname[0]) {
951 printf("overload <%s>", r->overload_tblname);
954 if (r->flush & PF_FLUSH_GLOBAL)
957 if (r->rule_flag & PFRULE_IFBOUND) {
963 if (r->rule_flag & PFRULE_STATESLOPPY) {
969 for (i = 0; i < PFTM_MAX; ++i)
976 for (j = 0; pf_timeouts[j].name != NULL;
978 if (pf_timeouts[j].timeout == i)
980 printf("%s %u", pf_timeouts[j].name == NULL ?
981 "inv.timeout" : pf_timeouts[j].name,
986 if (r->rule_flag & PFRULE_FRAGMENT)
988 if (r->rule_flag & PFRULE_NODF)
990 if (r->rule_flag & PFRULE_RANDOMID)
991 printf(" random-id");
993 printf(" min-ttl %d", r->min_ttl);
995 printf(" max-mss %d", r->max_mss);
996 if (r->rule_flag & PFRULE_SET_TOS)
997 printf(" set-tos 0x%2.2x", r->set_tos);
999 printf(" allow-opts");
1000 if (r->action == PF_SCRUB) {
1001 if (r->rule_flag & PFRULE_REASSEMBLE_TCP)
1002 printf(" reassemble tcp");
1004 printf(" fragment reassemble");
1007 printf(" label \"%s\"", r->label);
1008 if (r->qname[0] && r->pqname[0])
1009 printf(" queue(%s, %s)", r->qname, r->pqname);
1010 else if (r->qname[0])
1011 printf(" queue %s", r->qname);
1013 printf(" tag %s", r->tagname);
1014 if (r->match_tagname[0]) {
1015 if (r->match_tag_not)
1017 printf(" tagged %s", r->match_tagname);
1019 if (r->rtableid != -1)
1020 printf(" rtable %u", r->rtableid);
1021 if (r->divert.port) {
1023 printf(" divert-to %u", ntohs(r->divert.port));
1025 if (PF_AZERO(&r->divert.addr, r->af)) {
1026 printf(" divert-reply");
1028 /* XXX cut&paste from print_addr */
1031 printf(" divert-to ");
1032 if (inet_ntop(r->af, &r->divert.addr, buf,
1033 sizeof(buf)) == NULL)
1037 printf(" port %u", ntohs(r->divert.port));
1041 if (!anchor_call[0] && (r->action == PF_NAT ||
1042 r->action == PF_BINAT || r->action == PF_RDR)) {
1044 print_pool(&r->rpool, r->rpool.proxy_port[0],
1045 r->rpool.proxy_port[1], r->af, r->action);
1050 print_tabledef(const char *name, int flags, int addrs,
1051 struct node_tinithead *nodes)
1053 struct node_tinit *ti, *nti;
1054 struct node_host *h;
1056 printf("table <%s>", name);
1057 if (flags & PFR_TFLAG_CONST)
1059 if (flags & PFR_TFLAG_PERSIST)
1061 if (flags & PFR_TFLAG_COUNTERS)
1062 printf(" counters");
1063 SIMPLEQ_FOREACH(ti, nodes, entries) {
1065 printf(" file \"%s\"", ti->file);
1070 for (h = ti->host; h != NULL; h = h->next) {
1071 printf(h->not ? " !" : " ");
1072 print_addr(&h->addr, h->af, 0);
1074 nti = SIMPLEQ_NEXT(ti, entries);
1075 if (nti != NULL && nti->file == NULL)
1076 ti = nti; /* merge lists */
1082 if (addrs && SIMPLEQ_EMPTY(nodes))
1088 parse_flags(char *s)
1093 for (p = s; *p; p++) {
1094 if ((q = strchr(tcpflags, *p)) == NULL)
1097 f |= 1 << (q - tcpflags);
1099 return (f ? f : PF_TH_ALL);
1103 set_ipmask(struct node_host *h, u_int8_t b)
1105 struct pf_addr *m, *n;
1108 m = &h->addr.v.a.mask;
1109 memset(m, 0, sizeof(*m));
1112 m->addr32[j++] = 0xffffffff;
1115 for (i = 31; i > 31-b; --i)
1116 m->addr32[j] |= (1 << i);
1118 m->addr32[j] = htonl(m->addr32[j]);
1120 /* Mask off bits of the address that will never be used. */
1121 n = &h->addr.v.a.addr;
1122 if (h->addr.type == PF_ADDR_ADDRMASK)
1123 for (i = 0; i < 4; i++)
1124 n->addr32[i] = n->addr32[i] & m->addr32[i];
1128 check_netmask(struct node_host *h, sa_family_t af)
1130 struct node_host *n = NULL;
1133 for (n = h; n != NULL; n = n->next) {
1134 if (h->addr.type == PF_ADDR_TABLE)
1136 m = &h->addr.v.a.mask;
1137 /* fix up netmask for dynaddr */
1138 if (af == AF_INET && h->addr.type == PF_ADDR_DYNIFTL &&
1139 unmask(m, AF_INET6) > 32)
1141 /* netmasks > 32 bit are invalid on v4 */
1142 if (af == AF_INET &&
1143 (m->addr32[1] || m->addr32[2] || m->addr32[3])) {
1144 fprintf(stderr, "netmask %u invalid for IPv4 address\n",
1145 unmask(m, AF_INET6));
1152 /* interface lookup routines */
1154 static struct node_host *iftab;
1159 struct ifaddrs *ifap, *ifa;
1160 struct node_host *n = NULL, *h = NULL;
1162 if (getifaddrs(&ifap) < 0)
1163 err(1, "getifaddrs");
1165 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1166 if (!(ifa->ifa_addr->sa_family == AF_INET ||
1167 ifa->ifa_addr->sa_family == AF_INET6 ||
1168 ifa->ifa_addr->sa_family == AF_LINK))
1170 n = calloc(1, sizeof(struct node_host));
1172 err(1, "address: calloc");
1173 n->af = ifa->ifa_addr->sa_family;
1174 n->ifa_flags = ifa->ifa_flags;
1176 if (n->af == AF_INET6 &&
1177 IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *)
1178 ifa->ifa_addr)->sin6_addr) &&
1179 ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id ==
1181 struct sockaddr_in6 *sin6;
1183 sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
1184 sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 |
1185 sin6->sin6_addr.s6_addr[3];
1186 sin6->sin6_addr.s6_addr[2] = 0;
1187 sin6->sin6_addr.s6_addr[3] = 0;
1191 if (n->af == AF_INET) {
1192 memcpy(&n->addr.v.a.addr, &((struct sockaddr_in *)
1193 ifa->ifa_addr)->sin_addr.s_addr,
1194 sizeof(struct in_addr));
1195 memcpy(&n->addr.v.a.mask, &((struct sockaddr_in *)
1196 ifa->ifa_netmask)->sin_addr.s_addr,
1197 sizeof(struct in_addr));
1198 if (ifa->ifa_broadaddr != NULL)
1199 memcpy(&n->bcast, &((struct sockaddr_in *)
1200 ifa->ifa_broadaddr)->sin_addr.s_addr,
1201 sizeof(struct in_addr));
1202 if (ifa->ifa_dstaddr != NULL)
1203 memcpy(&n->peer, &((struct sockaddr_in *)
1204 ifa->ifa_dstaddr)->sin_addr.s_addr,
1205 sizeof(struct in_addr));
1206 } else if (n->af == AF_INET6) {
1207 memcpy(&n->addr.v.a.addr, &((struct sockaddr_in6 *)
1208 ifa->ifa_addr)->sin6_addr.s6_addr,
1209 sizeof(struct in6_addr));
1210 memcpy(&n->addr.v.a.mask, &((struct sockaddr_in6 *)
1211 ifa->ifa_netmask)->sin6_addr.s6_addr,
1212 sizeof(struct in6_addr));
1213 if (ifa->ifa_broadaddr != NULL)
1214 memcpy(&n->bcast, &((struct sockaddr_in6 *)
1215 ifa->ifa_broadaddr)->sin6_addr.s6_addr,
1216 sizeof(struct in6_addr));
1217 if (ifa->ifa_dstaddr != NULL)
1218 memcpy(&n->peer, &((struct sockaddr_in6 *)
1219 ifa->ifa_dstaddr)->sin6_addr.s6_addr,
1220 sizeof(struct in6_addr));
1221 n->ifindex = ((struct sockaddr_in6 *)
1222 ifa->ifa_addr)->sin6_scope_id;
1224 if ((n->ifname = strdup(ifa->ifa_name)) == NULL)
1225 err(1, "ifa_load: strdup");
1241 get_socket_domain(void)
1247 if (sdom == AF_UNSPEC && feature_present("inet6"))
1251 if (sdom == AF_UNSPEC && feature_present("inet"))
1254 if (sdom == AF_UNSPEC)
1261 ifa_exists(const char *ifa_name)
1263 struct node_host *n;
1264 struct ifgroupreq ifgr;
1270 /* check wether this is a group */
1271 if ((s = socket(get_socket_domain(), SOCK_DGRAM, 0)) == -1)
1273 bzero(&ifgr, sizeof(ifgr));
1274 strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name));
1275 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == 0) {
1276 /* fake a node_host */
1277 if ((n = calloc(1, sizeof(*n))) == NULL)
1279 if ((n->ifname = strdup(ifa_name)) == NULL)
1286 for (n = iftab; n; n = n->next) {
1287 if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ))
1295 ifa_grouplookup(const char *ifa_name, int flags)
1297 struct ifg_req *ifg;
1298 struct ifgroupreq ifgr;
1300 struct node_host *n, *h = NULL;
1302 if ((s = socket(get_socket_domain(), SOCK_DGRAM, 0)) == -1)
1304 bzero(&ifgr, sizeof(ifgr));
1305 strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name));
1306 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) {
1311 len = ifgr.ifgr_len;
1312 if ((ifgr.ifgr_groups = calloc(1, len)) == NULL)
1314 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1)
1315 err(1, "SIOCGIFGMEMB");
1317 for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(struct ifg_req);
1319 len -= sizeof(struct ifg_req);
1320 if ((n = ifa_lookup(ifg->ifgrq_member, flags)) == NULL)
1329 free(ifgr.ifgr_groups);
1336 ifa_lookup(const char *ifa_name, int flags)
1338 struct node_host *p = NULL, *h = NULL, *n = NULL;
1339 int got4 = 0, got6 = 0;
1340 const char *last_if = NULL;
1342 if ((h = ifa_grouplookup(ifa_name, flags)) != NULL)
1345 if (!strncmp(ifa_name, "self", IFNAMSIZ))
1351 for (p = iftab; p; p = p->next) {
1352 if (ifa_skip_if(ifa_name, p))
1354 if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET)
1356 if ((flags & PFI_AFLAG_BROADCAST) &&
1357 !(p->ifa_flags & IFF_BROADCAST))
1359 if ((flags & PFI_AFLAG_PEER) &&
1360 !(p->ifa_flags & IFF_POINTOPOINT))
1362 if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0)
1364 if (last_if == NULL || strcmp(last_if, p->ifname))
1366 last_if = p->ifname;
1367 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4)
1369 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 &&
1370 IN6_IS_ADDR_LINKLOCAL(&p->addr.v.a.addr.v6))
1372 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6)
1374 if (p->af == AF_INET)
1378 n = calloc(1, sizeof(struct node_host));
1380 err(1, "address: calloc");
1382 if (flags & PFI_AFLAG_BROADCAST)
1383 memcpy(&n->addr.v.a.addr, &p->bcast,
1384 sizeof(struct pf_addr));
1385 else if (flags & PFI_AFLAG_PEER)
1386 memcpy(&n->addr.v.a.addr, &p->peer,
1387 sizeof(struct pf_addr));
1389 memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr,
1390 sizeof(struct pf_addr));
1391 if (flags & PFI_AFLAG_NETWORK)
1392 set_ipmask(n, unmask(&p->addr.v.a.mask, n->af));
1394 if (n->af == AF_INET) {
1395 if (p->ifa_flags & IFF_LOOPBACK &&
1396 p->ifa_flags & IFF_LINK1)
1397 memcpy(&n->addr.v.a.mask,
1399 sizeof(struct pf_addr));
1405 n->ifindex = p->ifindex;
1406 n->ifname = strdup(p->ifname);
1421 ifa_skip_if(const char *filter, struct node_host *p)
1425 if (p->af != AF_INET && p->af != AF_INET6)
1427 if (filter == NULL || !*filter)
1429 if (!strcmp(p->ifname, filter))
1430 return (0); /* exact match */
1432 if (n < 1 || n >= IFNAMSIZ)
1433 return (1); /* sanity check */
1434 if (filter[n-1] >= '0' && filter[n-1] <= '9')
1435 return (1); /* only do exact match in that case */
1436 if (strncmp(p->ifname, filter, n))
1437 return (1); /* prefix doesn't match */
1438 return (p->ifname[n] < '0' || p->ifname[n] > '9');
1445 struct node_host *h = NULL;
1446 int mask, v4mask, v6mask, cont = 1;
1449 if ((p = strrchr(s, '/')) != NULL) {
1450 mask = strtol(p+1, &q, 0);
1451 if (!q || *q || mask > 128 || q == (p+1)) {
1452 fprintf(stderr, "invalid netmask '%s'\n", p);
1455 if ((ps = malloc(strlen(s) - strlen(p) + 1)) == NULL)
1456 err(1, "host: malloc");
1457 strlcpy(ps, s, strlen(s) - strlen(p) + 1);
1458 v4mask = v6mask = mask;
1460 if ((ps = strdup(s)) == NULL)
1461 err(1, "host: strdup");
1467 /* interface with this name exists? */
1468 if (cont && (h = host_if(ps, mask)) != NULL)
1472 if (cont && (h = host_v4(s, mask)) != NULL)
1476 if (cont && (h = host_v6(ps, v6mask)) != NULL)
1480 if (cont && (h = host_dns(ps, v4mask, v6mask)) != NULL)
1484 if (h == NULL || cont == 1) {
1485 fprintf(stderr, "no IP address found for %s\n", s);
1492 host_if(const char *s, int mask)
1494 struct node_host *n, *h = NULL;
1498 if ((ps = strdup(s)) == NULL)
1499 err(1, "host_if: strdup");
1500 while ((p = strrchr(ps, ':')) != NULL) {
1501 if (!strcmp(p+1, "network"))
1502 flags |= PFI_AFLAG_NETWORK;
1503 else if (!strcmp(p+1, "broadcast"))
1504 flags |= PFI_AFLAG_BROADCAST;
1505 else if (!strcmp(p+1, "peer"))
1506 flags |= PFI_AFLAG_PEER;
1507 else if (!strcmp(p+1, "0"))
1508 flags |= PFI_AFLAG_NOALIAS;
1515 if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */
1516 fprintf(stderr, "illegal combination of interface modifiers\n");
1520 if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) {
1521 fprintf(stderr, "network or broadcast lookup, but "
1522 "extra netmask given\n");
1526 if (ifa_exists(ps) || !strncmp(ps, "self", IFNAMSIZ)) {
1527 /* interface with this name exists */
1528 h = ifa_lookup(ps, flags);
1529 for (n = h; n != NULL && mask > -1; n = n->next)
1530 set_ipmask(n, mask);
1538 host_v4(const char *s, int mask)
1540 struct node_host *h = NULL;
1544 memset(&ina, 0, sizeof(struct in_addr));
1545 if (strrchr(s, '/') != NULL) {
1546 if ((bits = inet_net_pton(AF_INET, s, &ina, sizeof(ina))) == -1)
1549 if (inet_pton(AF_INET, s, &ina) != 1)
1553 h = calloc(1, sizeof(struct node_host));
1555 err(1, "address: calloc");
1558 h->addr.v.a.addr.addr32[0] = ina.s_addr;
1559 set_ipmask(h, bits);
1567 host_v6(const char *s, int mask)
1569 struct addrinfo hints, *res;
1570 struct node_host *h = NULL;
1572 memset(&hints, 0, sizeof(hints));
1573 hints.ai_family = AF_INET6;
1574 hints.ai_socktype = SOCK_DGRAM; /*dummy*/
1575 hints.ai_flags = AI_NUMERICHOST;
1576 if (getaddrinfo(s, "0", &hints, &res) == 0) {
1577 h = calloc(1, sizeof(struct node_host));
1579 err(1, "address: calloc");
1582 memcpy(&h->addr.v.a.addr,
1583 &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr,
1584 sizeof(h->addr.v.a.addr));
1586 ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id;
1587 set_ipmask(h, mask);
1597 host_dns(const char *s, int v4mask, int v6mask)
1599 struct addrinfo hints, *res0, *res;
1600 struct node_host *n, *h = NULL;
1601 int error, noalias = 0;
1602 int got4 = 0, got6 = 0;
1605 if ((ps = strdup(s)) == NULL)
1606 err(1, "host_dns: strdup");
1607 if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) {
1611 memset(&hints, 0, sizeof(hints));
1612 hints.ai_family = PF_UNSPEC;
1613 hints.ai_socktype = SOCK_STREAM; /* DUMMY */
1614 error = getaddrinfo(ps, NULL, &hints, &res0);
1620 for (res = res0; res; res = res->ai_next) {
1621 if (res->ai_family != AF_INET &&
1622 res->ai_family != AF_INET6)
1625 if (res->ai_family == AF_INET) {
1635 n = calloc(1, sizeof(struct node_host));
1637 err(1, "host_dns: calloc");
1639 n->af = res->ai_family;
1640 if (res->ai_family == AF_INET) {
1641 memcpy(&n->addr.v.a.addr,
1642 &((struct sockaddr_in *)
1643 res->ai_addr)->sin_addr.s_addr,
1644 sizeof(struct in_addr));
1645 set_ipmask(n, v4mask);
1647 memcpy(&n->addr.v.a.addr,
1648 &((struct sockaddr_in6 *)
1649 res->ai_addr)->sin6_addr.s6_addr,
1650 sizeof(struct in6_addr));
1652 ((struct sockaddr_in6 *)
1653 res->ai_addr)->sin6_scope_id;
1654 set_ipmask(n, v6mask);
1672 * convert a hostname to a list of addresses and put them in the given buffer.
1674 * if set to 1, only simple addresses are accepted (no netblock, no "!").
1677 append_addr(struct pfr_buffer *b, char *s, int test)
1680 struct node_host *h, *n;
1683 for (r = s; *r == '!'; r++)
1685 if ((n = host(r)) == NULL) {
1689 rv = append_addr_host(b, n, test, not);
1694 } while (n != NULL);
1699 * same as previous function, but with a pre-parsed input and the ability
1700 * to "negate" the result. Does not free the node_host list.
1702 * setting it to 1 is equivalent to adding "!" in front of parameter s.
1705 append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not)
1708 struct pfr_addr addr;
1711 bzero(&addr, sizeof(addr));
1712 addr.pfra_not = n->not ^ not;
1713 addr.pfra_af = n->af;
1714 addr.pfra_net = unmask(&n->addr.v.a.mask, n->af);
1717 addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0];
1721 memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6,
1722 sizeof(struct in6_addr));
1729 if ((test && (not || addr.pfra_net != bits)) ||
1730 addr.pfra_net > bits) {
1734 if (pfr_buf_add(b, &addr))
1736 } while ((n = n->next) != NULL);
1742 pfctl_add_trans(struct pfr_buffer *buf, int rs_num, const char *anchor)
1744 struct pfioc_trans_e trans;
1746 bzero(&trans, sizeof(trans));
1747 trans.rs_num = rs_num;
1748 if (strlcpy(trans.anchor, anchor,
1749 sizeof(trans.anchor)) >= sizeof(trans.anchor))
1750 errx(1, "pfctl_add_trans: strlcpy");
1752 return pfr_buf_add(buf, &trans);
1756 pfctl_get_ticket(struct pfr_buffer *buf, int rs_num, const char *anchor)
1758 struct pfioc_trans_e *p;
1760 PFRB_FOREACH(p, buf)
1761 if (rs_num == p->rs_num && !strcmp(anchor, p->anchor))
1763 errx(1, "pfctl_get_ticket: assertion failed");
1767 pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from)
1769 struct pfioc_trans trans;
1771 bzero(&trans, sizeof(trans));
1772 trans.size = buf->pfrb_size - from;
1773 trans.esize = sizeof(struct pfioc_trans_e);
1774 trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from;
1775 return ioctl(dev, cmd, &trans);