1 /* $OpenBSD: pfctl_parser.c,v 1.234 2006/10/31 23:46:24 mcbride Exp $ */
4 * Copyright (c) 2001 Daniel Hartmeier
5 * Copyright (c) 2002,2003 Henning Brauer
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * - Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * - Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer in the documentation and/or other materials provided
17 * with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
23 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/types.h>
38 #include <sys/ioctl.h>
39 #include <sys/socket.h>
40 #include <sys/param.h>
43 #include <netinet/in.h>
44 #include <netinet/in_systm.h>
45 #include <netinet/ip.h>
46 #include <netinet/ip_icmp.h>
47 #include <netinet/icmp6.h>
48 #include <net/pfvar.h>
49 #include <arpa/inet.h>
63 #include "pfctl_parser.h"
66 void print_op (u_int8_t, const char *, const char *);
67 void print_port (u_int8_t, u_int16_t, u_int16_t, const char *);
68 void print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned);
69 void print_flags (u_int8_t);
70 void print_fromto(struct pf_rule_addr *, pf_osfp_t,
71 struct pf_rule_addr *, u_int8_t, u_int8_t, int);
72 int ifa_skip_if(const char *filter, struct node_host *p);
74 struct node_host *ifa_grouplookup(const char *, int);
75 struct node_host *host_if(const char *, int);
76 struct node_host *host_v4(const char *, int);
77 struct node_host *host_v6(const char *, int);
78 struct node_host *host_dns(const char *, int, int);
80 const char *tcpflags = "FSRPAUEW";
82 static const struct icmptypeent icmp_type[] = {
83 { "echoreq", ICMP_ECHO },
84 { "echorep", ICMP_ECHOREPLY },
85 { "unreach", ICMP_UNREACH },
86 { "squench", ICMP_SOURCEQUENCH },
87 { "redir", ICMP_REDIRECT },
88 { "althost", ICMP_ALTHOSTADDR },
89 { "routeradv", ICMP_ROUTERADVERT },
90 { "routersol", ICMP_ROUTERSOLICIT },
91 { "timex", ICMP_TIMXCEED },
92 { "paramprob", ICMP_PARAMPROB },
93 { "timereq", ICMP_TSTAMP },
94 { "timerep", ICMP_TSTAMPREPLY },
95 { "inforeq", ICMP_IREQ },
96 { "inforep", ICMP_IREQREPLY },
97 { "maskreq", ICMP_MASKREQ },
98 { "maskrep", ICMP_MASKREPLY },
99 { "trace", ICMP_TRACEROUTE },
100 { "dataconv", ICMP_DATACONVERR },
101 { "mobredir", ICMP_MOBILE_REDIRECT },
102 { "ipv6-where", ICMP_IPV6_WHEREAREYOU },
103 { "ipv6-here", ICMP_IPV6_IAMHERE },
104 { "mobregreq", ICMP_MOBILE_REGREQUEST },
105 { "mobregrep", ICMP_MOBILE_REGREPLY },
106 { "skip", ICMP_SKIP },
107 { "photuris", ICMP_PHOTURIS }
110 static const struct icmptypeent icmp6_type[] = {
111 { "unreach", ICMP6_DST_UNREACH },
112 { "toobig", ICMP6_PACKET_TOO_BIG },
113 { "timex", ICMP6_TIME_EXCEEDED },
114 { "paramprob", ICMP6_PARAM_PROB },
115 { "echoreq", ICMP6_ECHO_REQUEST },
116 { "echorep", ICMP6_ECHO_REPLY },
117 { "groupqry", ICMP6_MEMBERSHIP_QUERY },
118 { "listqry", MLD_LISTENER_QUERY },
119 { "grouprep", ICMP6_MEMBERSHIP_REPORT },
120 { "listenrep", MLD_LISTENER_REPORT },
121 { "groupterm", ICMP6_MEMBERSHIP_REDUCTION },
122 { "listendone", MLD_LISTENER_DONE },
123 { "routersol", ND_ROUTER_SOLICIT },
124 { "routeradv", ND_ROUTER_ADVERT },
125 { "neighbrsol", ND_NEIGHBOR_SOLICIT },
126 { "neighbradv", ND_NEIGHBOR_ADVERT },
127 { "redir", ND_REDIRECT },
128 { "routrrenum", ICMP6_ROUTER_RENUMBERING },
129 { "wrureq", ICMP6_WRUREQUEST },
130 { "wrurep", ICMP6_WRUREPLY },
131 { "fqdnreq", ICMP6_FQDN_QUERY },
132 { "fqdnrep", ICMP6_FQDN_REPLY },
133 { "niqry", ICMP6_NI_QUERY },
134 { "nirep", ICMP6_NI_REPLY },
135 { "mtraceresp", MLD_MTRACE_RESP },
136 { "mtrace", MLD_MTRACE }
139 static const struct icmpcodeent icmp_code[] = {
140 { "net-unr", ICMP_UNREACH, ICMP_UNREACH_NET },
141 { "host-unr", ICMP_UNREACH, ICMP_UNREACH_HOST },
142 { "proto-unr", ICMP_UNREACH, ICMP_UNREACH_PROTOCOL },
143 { "port-unr", ICMP_UNREACH, ICMP_UNREACH_PORT },
144 { "needfrag", ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG },
145 { "srcfail", ICMP_UNREACH, ICMP_UNREACH_SRCFAIL },
146 { "net-unk", ICMP_UNREACH, ICMP_UNREACH_NET_UNKNOWN },
147 { "host-unk", ICMP_UNREACH, ICMP_UNREACH_HOST_UNKNOWN },
148 { "isolate", ICMP_UNREACH, ICMP_UNREACH_ISOLATED },
149 { "net-prohib", ICMP_UNREACH, ICMP_UNREACH_NET_PROHIB },
150 { "host-prohib", ICMP_UNREACH, ICMP_UNREACH_HOST_PROHIB },
151 { "net-tos", ICMP_UNREACH, ICMP_UNREACH_TOSNET },
152 { "host-tos", ICMP_UNREACH, ICMP_UNREACH_TOSHOST },
153 { "filter-prohib", ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB },
154 { "host-preced", ICMP_UNREACH, ICMP_UNREACH_HOST_PRECEDENCE },
155 { "cutoff-preced", ICMP_UNREACH, ICMP_UNREACH_PRECEDENCE_CUTOFF },
156 { "redir-net", ICMP_REDIRECT, ICMP_REDIRECT_NET },
157 { "redir-host", ICMP_REDIRECT, ICMP_REDIRECT_HOST },
158 { "redir-tos-net", ICMP_REDIRECT, ICMP_REDIRECT_TOSNET },
159 { "redir-tos-host", ICMP_REDIRECT, ICMP_REDIRECT_TOSHOST },
160 { "normal-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NORMAL },
161 { "common-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NOROUTE_COMMON },
162 { "transit", ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS },
163 { "reassemb", ICMP_TIMXCEED, ICMP_TIMXCEED_REASS },
164 { "badhead", ICMP_PARAMPROB, ICMP_PARAMPROB_ERRATPTR },
165 { "optmiss", ICMP_PARAMPROB, ICMP_PARAMPROB_OPTABSENT },
166 { "badlen", ICMP_PARAMPROB, ICMP_PARAMPROB_LENGTH },
167 { "unknown-ind", ICMP_PHOTURIS, ICMP_PHOTURIS_UNKNOWN_INDEX },
168 { "auth-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_AUTH_FAILED },
169 { "decrypt-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_DECRYPT_FAILED }
172 static const struct icmpcodeent icmp6_code[] = {
173 { "admin-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN },
174 { "noroute-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE },
175 { "notnbr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOTNEIGHBOR },
176 { "beyond-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_BEYONDSCOPE },
177 { "addr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR },
178 { "port-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT },
179 { "transit", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_TRANSIT },
180 { "reassemb", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_REASSEMBLY },
181 { "badhead", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER },
182 { "nxthdr", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_NEXTHEADER },
183 { "redironlink", ND_REDIRECT, ND_REDIRECT_ONLINK },
184 { "redirrouter", ND_REDIRECT, ND_REDIRECT_ROUTER }
187 const struct pf_timeout pf_timeouts[] = {
188 { "tcp.first", PFTM_TCP_FIRST_PACKET },
189 { "tcp.opening", PFTM_TCP_OPENING },
190 { "tcp.established", PFTM_TCP_ESTABLISHED },
191 { "tcp.closing", PFTM_TCP_CLOSING },
192 { "tcp.finwait", PFTM_TCP_FIN_WAIT },
193 { "tcp.closed", PFTM_TCP_CLOSED },
194 { "tcp.tsdiff", PFTM_TS_DIFF },
195 { "udp.first", PFTM_UDP_FIRST_PACKET },
196 { "udp.single", PFTM_UDP_SINGLE },
197 { "udp.multiple", PFTM_UDP_MULTIPLE },
198 { "icmp.first", PFTM_ICMP_FIRST_PACKET },
199 { "icmp.error", PFTM_ICMP_ERROR_REPLY },
200 { "other.first", PFTM_OTHER_FIRST_PACKET },
201 { "other.single", PFTM_OTHER_SINGLE },
202 { "other.multiple", PFTM_OTHER_MULTIPLE },
203 { "frag", PFTM_FRAG },
204 { "interval", PFTM_INTERVAL },
205 { "adaptive.start", PFTM_ADAPTIVE_START },
206 { "adaptive.end", PFTM_ADAPTIVE_END },
207 { "src.track", PFTM_SRC_NODE },
211 const struct icmptypeent *
212 geticmptypebynumber(u_int8_t type, sa_family_t af)
216 if (af != AF_INET6) {
217 for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0]));
219 if (type == icmp_type[i].type)
220 return (&icmp_type[i]);
223 for (i=0; i < (sizeof (icmp6_type) /
224 sizeof(icmp6_type[0])); i++) {
225 if (type == icmp6_type[i].type)
226 return (&icmp6_type[i]);
232 const struct icmptypeent *
233 geticmptypebyname(char *w, sa_family_t af)
237 if (af != AF_INET6) {
238 for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0]));
240 if (!strcmp(w, icmp_type[i].name))
241 return (&icmp_type[i]);
244 for (i=0; i < (sizeof (icmp6_type) /
245 sizeof(icmp6_type[0])); i++) {
246 if (!strcmp(w, icmp6_type[i].name))
247 return (&icmp6_type[i]);
253 const struct icmpcodeent *
254 geticmpcodebynumber(u_int8_t type, u_int8_t code, sa_family_t af)
258 if (af != AF_INET6) {
259 for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0]));
261 if (type == icmp_code[i].type &&
262 code == icmp_code[i].code)
263 return (&icmp_code[i]);
266 for (i=0; i < (sizeof (icmp6_code) /
267 sizeof(icmp6_code[0])); i++) {
268 if (type == icmp6_code[i].type &&
269 code == icmp6_code[i].code)
270 return (&icmp6_code[i]);
276 const struct icmpcodeent *
277 geticmpcodebyname(u_long type, char *w, sa_family_t af)
281 if (af != AF_INET6) {
282 for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0]));
284 if (type == icmp_code[i].type &&
285 !strcmp(w, icmp_code[i].name))
286 return (&icmp_code[i]);
289 for (i=0; i < (sizeof (icmp6_code) /
290 sizeof(icmp6_code[0])); i++) {
291 if (type == icmp6_code[i].type &&
292 !strcmp(w, icmp6_code[i].name))
293 return (&icmp6_code[i]);
300 print_op(u_int8_t op, const char *a1, const char *a2)
303 printf(" %s >< %s", a1, a2);
304 else if (op == PF_OP_XRG)
305 printf(" %s <> %s", a1, a2);
306 else if (op == PF_OP_EQ)
308 else if (op == PF_OP_NE)
309 printf(" != %s", a1);
310 else if (op == PF_OP_LT)
312 else if (op == PF_OP_LE)
313 printf(" <= %s", a1);
314 else if (op == PF_OP_GT)
316 else if (op == PF_OP_GE)
317 printf(" >= %s", a1);
318 else if (op == PF_OP_RRG)
319 printf(" %s:%s", a1, a2);
323 print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto)
328 s = getservbyport(p1, proto);
331 snprintf(a1, sizeof(a1), "%u", p1);
332 snprintf(a2, sizeof(a2), "%u", p2);
334 if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE))
335 print_op(op, s->s_name, a2);
337 print_op(op, a1, a2);
341 print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax)
345 snprintf(a1, sizeof(a1), "%u", u1);
346 snprintf(a2, sizeof(a2), "%u", u2);
348 if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE))
349 print_op(op, "unknown", a2);
351 print_op(op, a1, a2);
355 print_flags(u_int8_t f)
359 for (i = 0; tcpflags[i]; ++i)
361 printf("%c", tcpflags[i]);
365 print_fromto(struct pf_rule_addr *src, pf_osfp_t osfp, struct pf_rule_addr *dst,
366 sa_family_t af, u_int8_t proto, int verbose)
368 char buf[PF_OSFP_LEN*3];
369 if (src->addr.type == PF_ADDR_ADDRMASK &&
370 dst->addr.type == PF_ADDR_ADDRMASK &&
371 PF_AZERO(&src->addr.v.a.addr, AF_INET6) &&
372 PF_AZERO(&src->addr.v.a.mask, AF_INET6) &&
373 PF_AZERO(&dst->addr.v.a.addr, AF_INET6) &&
374 PF_AZERO(&dst->addr.v.a.mask, AF_INET6) &&
375 !src->neg && !dst->neg &&
376 !src->port_op && !dst->port_op &&
383 print_addr(&src->addr, af, verbose);
385 print_port(src->port_op, src->port[0],
387 proto == IPPROTO_TCP ? "tcp" : "udp");
388 if (osfp != PF_OSFP_ANY)
389 printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf,
395 print_addr(&dst->addr, af, verbose);
397 print_port(dst->port_op, dst->port[0],
399 proto == IPPROTO_TCP ? "tcp" : "udp");
404 print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2,
405 sa_family_t af, int id)
407 struct pf_pooladdr *pooladdr;
409 if ((TAILQ_FIRST(&pool->list) != NULL) &&
410 TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
412 TAILQ_FOREACH(pooladdr, &pool->list, entries){
417 print_addr(&pooladdr->addr, af, 0);
420 if (PF_AZERO(&pooladdr->addr.v.a.addr, af))
421 printf("%s", pooladdr->ifname);
423 printf("(%s ", pooladdr->ifname);
424 print_addr(&pooladdr->addr, af, 0);
431 if (TAILQ_NEXT(pooladdr, entries) != NULL)
433 else if (TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
438 if ((p1 != PF_NAT_PROXY_PORT_LOW ||
439 p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) {
441 printf(" port %u", p1);
443 printf(" port %u:%u", p1, p2);
448 printf(" port %u", p1);
449 if (p2 && (p2 != p1))
456 switch (pool->opts & PF_POOL_TYPEMASK) {
459 case PF_POOL_BITMASK:
465 case PF_POOL_SRCHASH:
466 printf(" source-hash 0x%08x%08x%08x%08x",
467 pool->key.key32[0], pool->key.key32[1],
468 pool->key.key32[2], pool->key.key32[3]);
470 case PF_POOL_ROUNDROBIN:
471 printf(" round-robin");
474 if (pool->opts & PF_POOL_STICKYADDR)
475 printf(" sticky-address");
476 if (id == PF_NAT && p1 == 0 && p2 == 0)
477 printf(" static-port");
480 const char *pf_reasons[PFRES_MAX+1] = PFRES_NAMES;
481 const char *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES;
482 const char *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES;
483 const char *pf_scounters[FCNT_MAX+1] = FCNT_NAMES;
486 print_status(struct pf_status *s, int opts)
488 char statline[80], *running;
491 char buf[PF_MD5_DIGEST_LENGTH * 2 + 1];
492 static const char hex[] = "0123456789abcdef";
494 runtime = time(NULL) - s->since;
495 running = s->running ? "Enabled" : "Disabled";
498 unsigned sec, min, hrs, day = runtime;
506 snprintf(statline, sizeof(statline),
507 "Status: %s for %u days %.2u:%.2u:%.2u",
508 running, day, hrs, min, sec);
510 snprintf(statline, sizeof(statline), "Status: %s", running);
511 printf("%-44s", statline);
514 printf("%15s\n\n", "Debug: None");
516 case PF_DEBUG_URGENT:
517 printf("%15s\n\n", "Debug: Urgent");
520 printf("%15s\n\n", "Debug: Misc");
523 printf("%15s\n\n", "Debug: Loud");
527 if (opts & PF_OPT_VERBOSE) {
528 printf("Hostid: 0x%08x\n", ntohl(s->hostid));
530 for (i = 0; i < PF_MD5_DIGEST_LENGTH; i++) {
531 buf[i + i] = hex[s->pf_chksum[i] >> 4];
532 buf[i + i + 1] = hex[s->pf_chksum[i] & 0x0f];
535 printf("Checksum: 0x%s\n\n", buf);
538 if (s->ifname[0] != 0) {
539 printf("Interface Stats for %-16s %5s %16s\n",
540 s->ifname, "IPv4", "IPv6");
541 printf(" %-25s %14llu %16llu\n", "Bytes In",
542 (unsigned long long)s->bcounters[0][0],
543 (unsigned long long)s->bcounters[1][0]);
544 printf(" %-25s %14llu %16llu\n", "Bytes Out",
545 (unsigned long long)s->bcounters[0][1],
546 (unsigned long long)s->bcounters[1][1]);
547 printf(" Packets In\n");
548 printf(" %-23s %14llu %16llu\n", "Passed",
549 (unsigned long long)s->pcounters[0][0][PF_PASS],
550 (unsigned long long)s->pcounters[1][0][PF_PASS]);
551 printf(" %-23s %14llu %16llu\n", "Blocked",
552 (unsigned long long)s->pcounters[0][0][PF_DROP],
553 (unsigned long long)s->pcounters[1][0][PF_DROP]);
554 printf(" Packets Out\n");
555 printf(" %-23s %14llu %16llu\n", "Passed",
556 (unsigned long long)s->pcounters[0][1][PF_PASS],
557 (unsigned long long)s->pcounters[1][1][PF_PASS]);
558 printf(" %-23s %14llu %16llu\n\n", "Blocked",
559 (unsigned long long)s->pcounters[0][1][PF_DROP],
560 (unsigned long long)s->pcounters[1][1][PF_DROP]);
562 printf("%-27s %14s %16s\n", "State Table", "Total", "Rate");
563 printf(" %-25s %14u %14s\n", "current entries", s->states, "");
564 for (i = 0; i < FCNT_MAX; i++) {
565 printf(" %-25s %14llu ", pf_fcounters[i],
566 (unsigned long long)s->fcounters[i]);
569 (double)s->fcounters[i] / (double)runtime);
571 printf("%14s\n", "");
573 if (opts & PF_OPT_VERBOSE) {
574 printf("Source Tracking Table\n");
575 printf(" %-25s %14u %14s\n", "current entries",
577 for (i = 0; i < SCNT_MAX; i++) {
578 printf(" %-25s %14lld ", pf_scounters[i],
579 (unsigned long long)s->scounters[i]);
582 (double)s->scounters[i] / (double)runtime);
584 printf("%14s\n", "");
587 printf("Counters\n");
588 for (i = 0; i < PFRES_MAX; i++) {
589 printf(" %-25s %14llu ", pf_reasons[i],
590 (unsigned long long)s->counters[i]);
593 (double)s->counters[i] / (double)runtime);
595 printf("%14s\n", "");
597 if (opts & PF_OPT_VERBOSE) {
598 printf("Limit Counters\n");
599 for (i = 0; i < LCNT_MAX; i++) {
600 printf(" %-25s %14lld ", pf_lcounters[i],
602 (unsigned long long)s->lcounters[i]);
608 (double)s->lcounters[i] / (double)runtime);
610 printf("%14s\n", "");
616 print_src_node(struct pf_src_node *sn, int opts)
618 struct pf_addr_wrap aw;
621 memset(&aw, 0, sizeof(aw));
622 if (sn->af == AF_INET)
623 aw.v.a.mask.addr32[0] = 0xffffffff;
625 memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask));
627 aw.v.a.addr = sn->addr;
628 print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2);
630 aw.v.a.addr = sn->raddr;
631 print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2);
632 printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states,
633 sn->conn, sn->conn_rate.count / 1000,
634 (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds);
635 if (opts & PF_OPT_VERBOSE) {
636 sec = sn->creation % 60;
638 min = sn->creation % 60;
640 printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec);
641 if (sn->states == 0) {
642 sec = sn->expire % 60;
644 min = sn->expire % 60;
646 printf(", expires in %.2u:%.2u:%.2u",
647 sn->expire, min, sec);
649 printf(", %llu pkts, %llu bytes",
651 (unsigned long long)(sn->packets[0] + sn->packets[1]),
652 (unsigned long long)(sn->bytes[0] + sn->bytes[1]));
654 sn->packets[0] + sn->packets[1],
655 sn->bytes[0] + sn->bytes[1]);
657 switch (sn->ruletype) {
659 if (sn->rule.nr != -1)
660 printf(", nat rule %u", sn->rule.nr);
663 if (sn->rule.nr != -1)
664 printf(", rdr rule %u", sn->rule.nr);
667 if (sn->rule.nr != -1)
668 printf(", filter rule %u", sn->rule.nr);
676 print_rule(struct pf_rule *r, const char *anchor_call, int verbose)
678 static const char *actiontypes[] = { "pass", "block", "scrub",
679 "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr" };
680 static const char *anchortypes[] = { "anchor", "anchor", "anchor",
681 "anchor", "nat-anchor", "nat-anchor", "binat-anchor",
682 "binat-anchor", "rdr-anchor", "rdr-anchor" };
686 printf("@%d ", r->nr);
687 if (r->action > PF_NORDR)
688 printf("action(%d)", r->action);
689 else if (anchor_call[0]) {
690 if (anchor_call[0] == '_') {
691 printf("%s", anchortypes[r->action]);
693 printf("%s \"%s\"", anchortypes[r->action],
696 printf("%s", actiontypes[r->action]);
700 if (r->action == PF_DROP) {
701 if (r->rule_flag & PFRULE_RETURN)
703 else if (r->rule_flag & PFRULE_RETURNRST) {
705 printf(" return-rst");
707 printf(" return-rst(ttl %d)", r->return_ttl);
708 } else if (r->rule_flag & PFRULE_RETURNICMP) {
709 const struct icmpcodeent *ic, *ic6;
711 ic = geticmpcodebynumber(r->return_icmp >> 8,
712 r->return_icmp & 255, AF_INET);
713 ic6 = geticmpcodebynumber(r->return_icmp6 >> 8,
714 r->return_icmp6 & 255, AF_INET6);
718 printf(" return-icmp");
720 printf("(%u)", r->return_icmp & 255);
722 printf("(%s)", ic->name);
725 printf(" return-icmp6");
727 printf("(%u)", r->return_icmp6 & 255);
729 printf("(%s)", ic6->name);
732 printf(" return-icmp");
734 printf("(%u, ", r->return_icmp & 255);
736 printf("(%s, ", ic->name);
738 printf("%u)", r->return_icmp6 & 255);
740 printf("%s)", ic6->name);
746 if (r->direction == PF_IN)
748 else if (r->direction == PF_OUT)
752 if (r->log & ~PF_LOG || r->logif) {
756 if (r->log & PF_LOG_ALL)
757 printf("%sall", count++ ? ", " : "");
758 if (r->log & PF_LOG_SOCKET_LOOKUP)
759 printf("%suser", count++ ? ", " : "");
761 printf("%sto pflog%u", count++ ? ", " : "",
770 printf(" on ! %s", r->ifname);
772 printf(" on %s", r->ifname);
775 if (r->rt == PF_ROUTETO)
777 else if (r->rt == PF_REPLYTO)
779 else if (r->rt == PF_DUPTO)
781 else if (r->rt == PF_FASTROUTE)
782 printf(" fastroute");
783 if (r->rt != PF_FASTROUTE) {
785 print_pool(&r->rpool, 0, 0, r->af, PF_PASS);
789 if (r->af == AF_INET)
797 if ((p = getprotobynumber(r->proto)) != NULL)
798 printf(" proto %s", p->p_name);
800 printf(" proto %u", r->proto);
802 print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto,
805 print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user",
808 print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group",
810 if (r->flags || r->flagset) {
812 print_flags(r->flags);
814 print_flags(r->flagset);
815 } else if (r->action == PF_PASS &&
816 (!r->proto || r->proto == IPPROTO_TCP) &&
817 !(r->rule_flag & PFRULE_FRAGMENT) &&
818 !anchor_call[0] && r->keep_state)
819 printf(" flags any");
821 const struct icmptypeent *it;
823 it = geticmptypebynumber(r->type-1, r->af);
824 if (r->af != AF_INET6)
825 printf(" icmp-type");
827 printf(" icmp6-type");
829 printf(" %s", it->name);
831 printf(" %u", r->type-1);
833 const struct icmpcodeent *ic;
835 ic = geticmpcodebynumber(r->type-1, r->code-1, r->af);
837 printf(" code %s", ic->name);
839 printf(" code %u", r->code-1);
843 printf(" tos 0x%2.2x", r->tos);
844 if (!r->keep_state && r->action == PF_PASS && !anchor_call[0])
846 else if (r->keep_state == PF_STATE_NORMAL)
847 printf(" keep state");
848 else if (r->keep_state == PF_STATE_MODULATE)
849 printf(" modulate state");
850 else if (r->keep_state == PF_STATE_SYNPROXY)
851 printf(" synproxy state");
855 snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0));
856 for (i = strlen(buf)-1; i > 0; i--) {
865 printf(" probability %s%%", buf);
868 if (r->max_states || r->max_src_nodes || r->max_src_states)
870 if (r->rule_flag & PFRULE_NOSYNC)
872 if (r->rule_flag & PFRULE_SRCTRACK)
874 if (r->rule_flag & PFRULE_IFBOUND)
876 for (i = 0; !opts && i < PFTM_MAX; ++i)
882 printf("max %u", r->max_states);
885 if (r->rule_flag & PFRULE_NOSYNC) {
891 if (r->rule_flag & PFRULE_SRCTRACK) {
894 printf("source-track");
895 if (r->rule_flag & PFRULE_RULESRCTRACK)
901 if (r->max_src_states) {
904 printf("max-src-states %u", r->max_src_states);
907 if (r->max_src_conn) {
910 printf("max-src-conn %u", r->max_src_conn);
913 if (r->max_src_conn_rate.limit) {
916 printf("max-src-conn-rate %u/%u",
917 r->max_src_conn_rate.limit,
918 r->max_src_conn_rate.seconds);
921 if (r->max_src_nodes) {
924 printf("max-src-nodes %u", r->max_src_nodes);
927 if (r->overload_tblname[0]) {
930 printf("overload <%s>", r->overload_tblname);
933 if (r->flush & PF_FLUSH_GLOBAL)
936 if (r->rule_flag & PFRULE_IFBOUND) {
942 for (i = 0; i < PFTM_MAX; ++i)
949 for (j = 0; pf_timeouts[j].name != NULL;
951 if (pf_timeouts[j].timeout == i)
953 printf("%s %u", pf_timeouts[j].name == NULL ?
954 "inv.timeout" : pf_timeouts[j].name,
959 if (r->rule_flag & PFRULE_FRAGMENT)
961 if (r->rule_flag & PFRULE_NODF)
963 if (r->rule_flag & PFRULE_RANDOMID)
964 printf(" random-id");
966 printf(" min-ttl %d", r->min_ttl);
968 printf(" max-mss %d", r->max_mss);
970 printf(" allow-opts");
971 if (r->action == PF_SCRUB) {
972 if (r->rule_flag & PFRULE_REASSEMBLE_TCP)
973 printf(" reassemble tcp");
975 if (r->rule_flag & PFRULE_FRAGDROP)
976 printf(" fragment drop-ovl");
977 else if (r->rule_flag & PFRULE_FRAGCROP)
978 printf(" fragment crop");
980 printf(" fragment reassemble");
983 printf(" label \"%s\"", r->label);
984 if (r->qname[0] && r->pqname[0])
985 printf(" queue(%s, %s)", r->qname, r->pqname);
986 else if (r->qname[0])
987 printf(" queue %s", r->qname);
989 printf(" tag %s", r->tagname);
990 if (r->match_tagname[0]) {
991 if (r->match_tag_not)
993 printf(" tagged %s", r->match_tagname);
995 if (r->rtableid != -1)
996 printf(" rtable %u", r->rtableid);
997 if (!anchor_call[0] && (r->action == PF_NAT ||
998 r->action == PF_BINAT || r->action == PF_RDR)) {
1000 print_pool(&r->rpool, r->rpool.proxy_port[0],
1001 r->rpool.proxy_port[1], r->af, r->action);
1006 print_tabledef(const char *name, int flags, int addrs,
1007 struct node_tinithead *nodes)
1009 struct node_tinit *ti, *nti;
1010 struct node_host *h;
1012 printf("table <%s>", name);
1013 if (flags & PFR_TFLAG_CONST)
1015 if (flags & PFR_TFLAG_PERSIST)
1017 SIMPLEQ_FOREACH(ti, nodes, entries) {
1019 printf(" file \"%s\"", ti->file);
1024 for (h = ti->host; h != NULL; h = h->next) {
1025 printf(h->not ? " !" : " ");
1026 print_addr(&h->addr, h->af, 0);
1028 nti = SIMPLEQ_NEXT(ti, entries);
1029 if (nti != NULL && nti->file == NULL)
1030 ti = nti; /* merge lists */
1036 if (addrs && SIMPLEQ_EMPTY(nodes))
1042 parse_flags(char *s)
1047 for (p = s; *p; p++) {
1048 if ((q = strchr(tcpflags, *p)) == NULL)
1051 f |= 1 << (q - tcpflags);
1053 return (f ? f : PF_TH_ALL);
1057 set_ipmask(struct node_host *h, u_int8_t b)
1059 struct pf_addr *m, *n;
1062 m = &h->addr.v.a.mask;
1063 memset(m, 0, sizeof(*m));
1066 m->addr32[j++] = 0xffffffff;
1069 for (i = 31; i > 31-b; --i)
1070 m->addr32[j] |= (1 << i);
1072 m->addr32[j] = htonl(m->addr32[j]);
1074 /* Mask off bits of the address that will never be used. */
1075 n = &h->addr.v.a.addr;
1076 if (h->addr.type == PF_ADDR_ADDRMASK)
1077 for (i = 0; i < 4; i++)
1078 n->addr32[i] = n->addr32[i] & m->addr32[i];
1082 check_netmask(struct node_host *h, sa_family_t af)
1084 struct node_host *n = NULL;
1087 for (n = h; n != NULL; n = n->next) {
1088 if (h->addr.type == PF_ADDR_TABLE)
1090 m = &h->addr.v.a.mask;
1091 /* fix up netmask for dynaddr */
1092 if (af == AF_INET && h->addr.type == PF_ADDR_DYNIFTL &&
1093 unmask(m, AF_INET6) > 32)
1095 /* netmasks > 32 bit are invalid on v4 */
1096 if (af == AF_INET &&
1097 (m->addr32[1] || m->addr32[2] || m->addr32[3])) {
1098 fprintf(stderr, "netmask %u invalid for IPv4 address\n",
1099 unmask(m, AF_INET6));
1106 /* interface lookup routines */
1108 struct node_host *iftab;
1113 struct ifaddrs *ifap, *ifa;
1114 struct node_host *n = NULL, *h = NULL;
1116 if (getifaddrs(&ifap) < 0)
1117 err(1, "getifaddrs");
1119 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1120 if (!(ifa->ifa_addr->sa_family == AF_INET ||
1121 ifa->ifa_addr->sa_family == AF_INET6 ||
1122 ifa->ifa_addr->sa_family == AF_LINK))
1124 n = calloc(1, sizeof(struct node_host));
1126 err(1, "address: calloc");
1127 n->af = ifa->ifa_addr->sa_family;
1128 n->ifa_flags = ifa->ifa_flags;
1130 if (n->af == AF_INET6 &&
1131 IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *)
1132 ifa->ifa_addr)->sin6_addr) &&
1133 ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id ==
1135 struct sockaddr_in6 *sin6;
1137 sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
1138 sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 |
1139 sin6->sin6_addr.s6_addr[3];
1140 sin6->sin6_addr.s6_addr[2] = 0;
1141 sin6->sin6_addr.s6_addr[3] = 0;
1145 if (n->af == AF_INET) {
1146 memcpy(&n->addr.v.a.addr, &((struct sockaddr_in *)
1147 ifa->ifa_addr)->sin_addr.s_addr,
1148 sizeof(struct in_addr));
1149 memcpy(&n->addr.v.a.mask, &((struct sockaddr_in *)
1150 ifa->ifa_netmask)->sin_addr.s_addr,
1151 sizeof(struct in_addr));
1152 if (ifa->ifa_broadaddr != NULL)
1153 memcpy(&n->bcast, &((struct sockaddr_in *)
1154 ifa->ifa_broadaddr)->sin_addr.s_addr,
1155 sizeof(struct in_addr));
1156 if (ifa->ifa_dstaddr != NULL)
1157 memcpy(&n->peer, &((struct sockaddr_in *)
1158 ifa->ifa_dstaddr)->sin_addr.s_addr,
1159 sizeof(struct in_addr));
1160 } else if (n->af == AF_INET6) {
1161 memcpy(&n->addr.v.a.addr, &((struct sockaddr_in6 *)
1162 ifa->ifa_addr)->sin6_addr.s6_addr,
1163 sizeof(struct in6_addr));
1164 memcpy(&n->addr.v.a.mask, &((struct sockaddr_in6 *)
1165 ifa->ifa_netmask)->sin6_addr.s6_addr,
1166 sizeof(struct in6_addr));
1167 if (ifa->ifa_broadaddr != NULL)
1168 memcpy(&n->bcast, &((struct sockaddr_in6 *)
1169 ifa->ifa_broadaddr)->sin6_addr.s6_addr,
1170 sizeof(struct in6_addr));
1171 if (ifa->ifa_dstaddr != NULL)
1172 memcpy(&n->peer, &((struct sockaddr_in6 *)
1173 ifa->ifa_dstaddr)->sin6_addr.s6_addr,
1174 sizeof(struct in6_addr));
1175 n->ifindex = ((struct sockaddr_in6 *)
1176 ifa->ifa_addr)->sin6_scope_id;
1178 if ((n->ifname = strdup(ifa->ifa_name)) == NULL)
1179 err(1, "ifa_load: strdup");
1195 ifa_exists(const char *ifa_name)
1197 struct node_host *n;
1198 struct ifgroupreq ifgr;
1204 /* check wether this is a group */
1205 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1207 bzero(&ifgr, sizeof(ifgr));
1208 strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name));
1209 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == 0) {
1210 /* fake a node_host */
1211 if ((n = calloc(1, sizeof(*n))) == NULL)
1213 if ((n->ifname = strdup(ifa_name)) == NULL)
1220 for (n = iftab; n; n = n->next) {
1221 if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ))
1229 ifa_grouplookup(const char *ifa_name, int flags)
1231 struct ifg_req *ifg;
1232 struct ifgroupreq ifgr;
1234 struct node_host *n, *h = NULL;
1236 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1238 bzero(&ifgr, sizeof(ifgr));
1239 strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name));
1240 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) {
1245 len = ifgr.ifgr_len;
1246 if ((ifgr.ifgr_groups = calloc(1, len)) == NULL)
1248 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1)
1249 err(1, "SIOCGIFGMEMB");
1251 for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(struct ifg_req);
1253 len -= sizeof(struct ifg_req);
1254 if ((n = ifa_lookup(ifg->ifgrq_member, flags)) == NULL)
1263 free(ifgr.ifgr_groups);
1270 ifa_lookup(const char *ifa_name, int flags)
1272 struct node_host *p = NULL, *h = NULL, *n = NULL;
1273 int got4 = 0, got6 = 0;
1274 const char *last_if = NULL;
1276 if ((h = ifa_grouplookup(ifa_name, flags)) != NULL)
1279 if (!strncmp(ifa_name, "self", IFNAMSIZ))
1285 for (p = iftab; p; p = p->next) {
1286 if (ifa_skip_if(ifa_name, p))
1288 if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET)
1290 if ((flags & PFI_AFLAG_BROADCAST) &&
1291 !(p->ifa_flags & IFF_BROADCAST))
1293 if ((flags & PFI_AFLAG_PEER) &&
1294 !(p->ifa_flags & IFF_POINTOPOINT))
1296 if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0)
1298 if (last_if == NULL || strcmp(last_if, p->ifname))
1300 last_if = p->ifname;
1301 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4)
1303 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6)
1305 if (p->af == AF_INET)
1309 n = calloc(1, sizeof(struct node_host));
1311 err(1, "address: calloc");
1313 if (flags & PFI_AFLAG_BROADCAST)
1314 memcpy(&n->addr.v.a.addr, &p->bcast,
1315 sizeof(struct pf_addr));
1316 else if (flags & PFI_AFLAG_PEER)
1317 memcpy(&n->addr.v.a.addr, &p->peer,
1318 sizeof(struct pf_addr));
1320 memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr,
1321 sizeof(struct pf_addr));
1322 if (flags & PFI_AFLAG_NETWORK)
1323 set_ipmask(n, unmask(&p->addr.v.a.mask, n->af));
1325 if (n->af == AF_INET) {
1326 if (p->ifa_flags & IFF_LOOPBACK &&
1327 p->ifa_flags & IFF_LINK1)
1328 memcpy(&n->addr.v.a.mask,
1330 sizeof(struct pf_addr));
1336 n->ifindex = p->ifindex;
1351 ifa_skip_if(const char *filter, struct node_host *p)
1355 if (p->af != AF_INET && p->af != AF_INET6)
1357 if (filter == NULL || !*filter)
1359 if (!strcmp(p->ifname, filter))
1360 return (0); /* exact match */
1362 if (n < 1 || n >= IFNAMSIZ)
1363 return (1); /* sanity check */
1364 if (filter[n-1] >= '0' && filter[n-1] <= '9')
1365 return (1); /* only do exact match in that case */
1366 if (strncmp(p->ifname, filter, n))
1367 return (1); /* prefix doesn't match */
1368 return (p->ifname[n] < '0' || p->ifname[n] > '9');
1375 struct node_host *h = NULL;
1376 int mask, v4mask, v6mask, cont = 1;
1379 if ((p = strrchr(s, '/')) != NULL) {
1380 mask = strtol(p+1, &q, 0);
1381 if (!q || *q || mask > 128 || q == (p+1)) {
1382 fprintf(stderr, "invalid netmask '%s'\n", p);
1385 if ((ps = malloc(strlen(s) - strlen(p) + 1)) == NULL)
1386 err(1, "host: malloc");
1387 strlcpy(ps, s, strlen(s) - strlen(p) + 1);
1388 v4mask = v6mask = mask;
1390 if ((ps = strdup(s)) == NULL)
1391 err(1, "host: strdup");
1397 /* interface with this name exists? */
1398 if (cont && (h = host_if(ps, mask)) != NULL)
1402 if (cont && (h = host_v4(s, mask)) != NULL)
1406 if (cont && (h = host_v6(ps, v6mask)) != NULL)
1410 if (cont && (h = host_dns(ps, v4mask, v6mask)) != NULL)
1414 if (h == NULL || cont == 1) {
1415 fprintf(stderr, "no IP address found for %s\n", s);
1422 host_if(const char *s, int mask)
1424 struct node_host *n, *h = NULL;
1428 if ((ps = strdup(s)) == NULL)
1429 err(1, "host_if: strdup");
1430 while ((p = strrchr(ps, ':')) != NULL) {
1431 if (!strcmp(p+1, "network"))
1432 flags |= PFI_AFLAG_NETWORK;
1433 else if (!strcmp(p+1, "broadcast"))
1434 flags |= PFI_AFLAG_BROADCAST;
1435 else if (!strcmp(p+1, "peer"))
1436 flags |= PFI_AFLAG_PEER;
1437 else if (!strcmp(p+1, "0"))
1438 flags |= PFI_AFLAG_NOALIAS;
1445 if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */
1446 fprintf(stderr, "illegal combination of interface modifiers\n");
1450 if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) {
1451 fprintf(stderr, "network or broadcast lookup, but "
1452 "extra netmask given\n");
1456 if (ifa_exists(ps) || !strncmp(ps, "self", IFNAMSIZ)) {
1457 /* interface with this name exists */
1458 h = ifa_lookup(ps, flags);
1459 for (n = h; n != NULL && mask > -1; n = n->next)
1460 set_ipmask(n, mask);
1468 host_v4(const char *s, int mask)
1470 struct node_host *h = NULL;
1474 memset(&ina, 0, sizeof(struct in_addr));
1475 if (strrchr(s, '/') != NULL) {
1476 if ((bits = inet_net_pton(AF_INET, s, &ina, sizeof(ina))) == -1)
1479 if (inet_pton(AF_INET, s, &ina) != 1)
1483 h = calloc(1, sizeof(struct node_host));
1485 err(1, "address: calloc");
1488 h->addr.v.a.addr.addr32[0] = ina.s_addr;
1489 set_ipmask(h, bits);
1497 host_v6(const char *s, int mask)
1499 struct addrinfo hints, *res;
1500 struct node_host *h = NULL;
1502 memset(&hints, 0, sizeof(hints));
1503 hints.ai_family = AF_INET6;
1504 hints.ai_socktype = SOCK_DGRAM; /*dummy*/
1505 hints.ai_flags = AI_NUMERICHOST;
1506 if (getaddrinfo(s, "0", &hints, &res) == 0) {
1507 h = calloc(1, sizeof(struct node_host));
1509 err(1, "address: calloc");
1512 memcpy(&h->addr.v.a.addr,
1513 &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr,
1514 sizeof(h->addr.v.a.addr));
1516 ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id;
1517 set_ipmask(h, mask);
1527 host_dns(const char *s, int v4mask, int v6mask)
1529 struct addrinfo hints, *res0, *res;
1530 struct node_host *n, *h = NULL;
1531 int error, noalias = 0;
1532 int got4 = 0, got6 = 0;
1535 if ((ps = strdup(s)) == NULL)
1536 err(1, "host_dns: strdup");
1537 if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) {
1541 memset(&hints, 0, sizeof(hints));
1542 hints.ai_family = PF_UNSPEC;
1543 hints.ai_socktype = SOCK_STREAM; /* DUMMY */
1544 error = getaddrinfo(ps, NULL, &hints, &res0);
1550 for (res = res0; res; res = res->ai_next) {
1551 if (res->ai_family != AF_INET &&
1552 res->ai_family != AF_INET6)
1555 if (res->ai_family == AF_INET) {
1565 n = calloc(1, sizeof(struct node_host));
1567 err(1, "host_dns: calloc");
1569 n->af = res->ai_family;
1570 if (res->ai_family == AF_INET) {
1571 memcpy(&n->addr.v.a.addr,
1572 &((struct sockaddr_in *)
1573 res->ai_addr)->sin_addr.s_addr,
1574 sizeof(struct in_addr));
1575 set_ipmask(n, v4mask);
1577 memcpy(&n->addr.v.a.addr,
1578 &((struct sockaddr_in6 *)
1579 res->ai_addr)->sin6_addr.s6_addr,
1580 sizeof(struct in6_addr));
1582 ((struct sockaddr_in6 *)
1583 res->ai_addr)->sin6_scope_id;
1584 set_ipmask(n, v6mask);
1602 * convert a hostname to a list of addresses and put them in the given buffer.
1604 * if set to 1, only simple addresses are accepted (no netblock, no "!").
1607 append_addr(struct pfr_buffer *b, char *s, int test)
1610 struct node_host *h, *n;
1613 for (r = s; *r == '!'; r++)
1615 if ((n = host(r)) == NULL) {
1619 rv = append_addr_host(b, n, test, not);
1624 } while (n != NULL);
1629 * same as previous function, but with a pre-parsed input and the ability
1630 * to "negate" the result. Does not free the node_host list.
1632 * setting it to 1 is equivalent to adding "!" in front of parameter s.
1635 append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not)
1638 struct pfr_addr addr;
1641 bzero(&addr, sizeof(addr));
1642 addr.pfra_not = n->not ^ not;
1643 addr.pfra_af = n->af;
1644 addr.pfra_net = unmask(&n->addr.v.a.mask, n->af);
1647 addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0];
1651 memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6,
1652 sizeof(struct in6_addr));
1659 if ((test && (not || addr.pfra_net != bits)) ||
1660 addr.pfra_net > bits) {
1664 if (pfr_buf_add(b, &addr))
1666 } while ((n = n->next) != NULL);
1672 pfctl_add_trans(struct pfr_buffer *buf, int rs_num, const char *anchor)
1674 struct pfioc_trans_e trans;
1676 bzero(&trans, sizeof(trans));
1677 trans.rs_num = rs_num;
1678 if (strlcpy(trans.anchor, anchor,
1679 sizeof(trans.anchor)) >= sizeof(trans.anchor))
1680 errx(1, "pfctl_add_trans: strlcpy");
1682 return pfr_buf_add(buf, &trans);
1686 pfctl_get_ticket(struct pfr_buffer *buf, int rs_num, const char *anchor)
1688 struct pfioc_trans_e *p;
1690 PFRB_FOREACH(p, buf)
1691 if (rs_num == p->rs_num && !strcmp(anchor, p->anchor))
1693 errx(1, "pfctl_get_ticket: assertion failed");
1697 pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from)
1699 struct pfioc_trans trans;
1701 bzero(&trans, sizeof(trans));
1702 trans.size = buf->pfrb_size - from;
1703 trans.esize = sizeof(struct pfioc_trans_e);
1704 trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from;
1705 return ioctl(dev, cmd, &trans);