1/* $OpenBSD: pfctl_parser.c,v 1.211 2004/12/07 10:33:41 dhartmei Exp $ */
| 1/* $OpenBSD: pfctl_parser.c,v 1.234 2006/10/31 23:46:24 mcbride Exp $ */
|
2
3/*
4 * Copyright (c) 2001 Daniel Hartmeier
5 * Copyright (c) 2002,2003 Henning Brauer
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
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.
18 *
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.
31 *
32 */
33
34#include <sys/cdefs.h>
| 2
3/*
4 * Copyright (c) 2001 Daniel Hartmeier
5 * Copyright (c) 2002,2003 Henning Brauer
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
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.
18 *
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.
31 *
32 */
33
34#include <sys/cdefs.h>
|
35__FBSDID("$FreeBSD: head/contrib/pf/pfctl/pfctl_parser.c 145840 2005-05-03 16:55:20Z mlaier $");
| 35__FBSDID("$FreeBSD: head/contrib/pf/pfctl/pfctl_parser.c 171172 2007-07-03 12:30:03Z mlaier $");
|
36
37#include <sys/types.h>
38#include <sys/ioctl.h>
39#include <sys/socket.h>
40#include <sys/param.h>
41#include <sys/proc.h>
42#include <net/if.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>
50
51#include <stdio.h>
52#include <stdlib.h>
53#include <string.h>
54#include <ctype.h>
55#include <limits.h>
56#include <netdb.h>
57#include <stdarg.h>
58#include <errno.h>
59#include <err.h>
60#include <ifaddrs.h>
| 36
37#include <sys/types.h>
38#include <sys/ioctl.h>
39#include <sys/socket.h>
40#include <sys/param.h>
41#include <sys/proc.h>
42#include <net/if.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>
50
51#include <stdio.h>
52#include <stdlib.h>
53#include <string.h>
54#include <ctype.h>
55#include <limits.h>
56#include <netdb.h>
57#include <stdarg.h>
58#include <errno.h>
59#include <err.h>
60#include <ifaddrs.h>
|
| 61#include <unistd.h>
|
61
62#include "pfctl_parser.h"
63#include "pfctl.h"
64
65void print_op (u_int8_t, const char *, const char *);
66void print_port (u_int8_t, u_int16_t, u_int16_t, const char *);
67void print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned);
68void print_flags (u_int8_t);
69void print_fromto(struct pf_rule_addr *, pf_osfp_t,
70 struct pf_rule_addr *, u_int8_t, u_int8_t, int);
71int ifa_skip_if(const char *filter, struct node_host *p);
72
| 62
63#include "pfctl_parser.h"
64#include "pfctl.h"
65
66void print_op (u_int8_t, const char *, const char *);
67void print_port (u_int8_t, u_int16_t, u_int16_t, const char *);
68void print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned);
69void print_flags (u_int8_t);
70void print_fromto(struct pf_rule_addr *, pf_osfp_t,
71 struct pf_rule_addr *, u_int8_t, u_int8_t, int);
72int ifa_skip_if(const char *filter, struct node_host *p);
73
|
| 74struct node_host *ifa_grouplookup(const char *, int);
|
73struct node_host *host_if(const char *, int);
74struct node_host *host_v4(const char *, int);
75struct node_host *host_v6(const char *, int);
76struct node_host *host_dns(const char *, int, int);
77
78const char *tcpflags = "FSRPAUEW";
79
80static const struct icmptypeent icmp_type[] = {
81 { "echoreq", ICMP_ECHO },
82 { "echorep", ICMP_ECHOREPLY },
83 { "unreach", ICMP_UNREACH },
84 { "squench", ICMP_SOURCEQUENCH },
85 { "redir", ICMP_REDIRECT },
86 { "althost", ICMP_ALTHOSTADDR },
87 { "routeradv", ICMP_ROUTERADVERT },
88 { "routersol", ICMP_ROUTERSOLICIT },
89 { "timex", ICMP_TIMXCEED },
90 { "paramprob", ICMP_PARAMPROB },
91 { "timereq", ICMP_TSTAMP },
92 { "timerep", ICMP_TSTAMPREPLY },
93 { "inforeq", ICMP_IREQ },
94 { "inforep", ICMP_IREQREPLY },
95 { "maskreq", ICMP_MASKREQ },
96 { "maskrep", ICMP_MASKREPLY },
97 { "trace", ICMP_TRACEROUTE },
98 { "dataconv", ICMP_DATACONVERR },
99 { "mobredir", ICMP_MOBILE_REDIRECT },
100 { "ipv6-where", ICMP_IPV6_WHEREAREYOU },
101 { "ipv6-here", ICMP_IPV6_IAMHERE },
102 { "mobregreq", ICMP_MOBILE_REGREQUEST },
103 { "mobregrep", ICMP_MOBILE_REGREPLY },
104 { "skip", ICMP_SKIP },
105 { "photuris", ICMP_PHOTURIS }
106};
107
108static const struct icmptypeent icmp6_type[] = {
109 { "unreach", ICMP6_DST_UNREACH },
110 { "toobig", ICMP6_PACKET_TOO_BIG },
111 { "timex", ICMP6_TIME_EXCEEDED },
112 { "paramprob", ICMP6_PARAM_PROB },
113 { "echoreq", ICMP6_ECHO_REQUEST },
114 { "echorep", ICMP6_ECHO_REPLY },
115 { "groupqry", ICMP6_MEMBERSHIP_QUERY },
116 { "listqry", MLD_LISTENER_QUERY },
117 { "grouprep", ICMP6_MEMBERSHIP_REPORT },
118 { "listenrep", MLD_LISTENER_REPORT },
119 { "groupterm", ICMP6_MEMBERSHIP_REDUCTION },
120 { "listendone", MLD_LISTENER_DONE },
121 { "routersol", ND_ROUTER_SOLICIT },
122 { "routeradv", ND_ROUTER_ADVERT },
123 { "neighbrsol", ND_NEIGHBOR_SOLICIT },
124 { "neighbradv", ND_NEIGHBOR_ADVERT },
125 { "redir", ND_REDIRECT },
126 { "routrrenum", ICMP6_ROUTER_RENUMBERING },
127 { "wrureq", ICMP6_WRUREQUEST },
128 { "wrurep", ICMP6_WRUREPLY },
129 { "fqdnreq", ICMP6_FQDN_QUERY },
130 { "fqdnrep", ICMP6_FQDN_REPLY },
131 { "niqry", ICMP6_NI_QUERY },
132 { "nirep", ICMP6_NI_REPLY },
133 { "mtraceresp", MLD_MTRACE_RESP },
134 { "mtrace", MLD_MTRACE }
135};
136
137static const struct icmpcodeent icmp_code[] = {
138 { "net-unr", ICMP_UNREACH, ICMP_UNREACH_NET },
139 { "host-unr", ICMP_UNREACH, ICMP_UNREACH_HOST },
140 { "proto-unr", ICMP_UNREACH, ICMP_UNREACH_PROTOCOL },
141 { "port-unr", ICMP_UNREACH, ICMP_UNREACH_PORT },
142 { "needfrag", ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG },
143 { "srcfail", ICMP_UNREACH, ICMP_UNREACH_SRCFAIL },
144 { "net-unk", ICMP_UNREACH, ICMP_UNREACH_NET_UNKNOWN },
145 { "host-unk", ICMP_UNREACH, ICMP_UNREACH_HOST_UNKNOWN },
146 { "isolate", ICMP_UNREACH, ICMP_UNREACH_ISOLATED },
147 { "net-prohib", ICMP_UNREACH, ICMP_UNREACH_NET_PROHIB },
148 { "host-prohib", ICMP_UNREACH, ICMP_UNREACH_HOST_PROHIB },
149 { "net-tos", ICMP_UNREACH, ICMP_UNREACH_TOSNET },
150 { "host-tos", ICMP_UNREACH, ICMP_UNREACH_TOSHOST },
151 { "filter-prohib", ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB },
152 { "host-preced", ICMP_UNREACH, ICMP_UNREACH_HOST_PRECEDENCE },
153 { "cutoff-preced", ICMP_UNREACH, ICMP_UNREACH_PRECEDENCE_CUTOFF },
154 { "redir-net", ICMP_REDIRECT, ICMP_REDIRECT_NET },
155 { "redir-host", ICMP_REDIRECT, ICMP_REDIRECT_HOST },
156 { "redir-tos-net", ICMP_REDIRECT, ICMP_REDIRECT_TOSNET },
157 { "redir-tos-host", ICMP_REDIRECT, ICMP_REDIRECT_TOSHOST },
158 { "normal-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NORMAL },
159 { "common-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NOROUTE_COMMON },
160 { "transit", ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS },
161 { "reassemb", ICMP_TIMXCEED, ICMP_TIMXCEED_REASS },
162 { "badhead", ICMP_PARAMPROB, ICMP_PARAMPROB_ERRATPTR },
163 { "optmiss", ICMP_PARAMPROB, ICMP_PARAMPROB_OPTABSENT },
164 { "badlen", ICMP_PARAMPROB, ICMP_PARAMPROB_LENGTH },
165 { "unknown-ind", ICMP_PHOTURIS, ICMP_PHOTURIS_UNKNOWN_INDEX },
166 { "auth-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_AUTH_FAILED },
167 { "decrypt-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_DECRYPT_FAILED }
168};
169
170static const struct icmpcodeent icmp6_code[] = {
171 { "admin-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN },
172 { "noroute-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE },
173 { "notnbr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOTNEIGHBOR },
174 { "beyond-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_BEYONDSCOPE },
175 { "addr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR },
176 { "port-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT },
177 { "transit", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_TRANSIT },
178 { "reassemb", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_REASSEMBLY },
179 { "badhead", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER },
180 { "nxthdr", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_NEXTHEADER },
181 { "redironlink", ND_REDIRECT, ND_REDIRECT_ONLINK },
182 { "redirrouter", ND_REDIRECT, ND_REDIRECT_ROUTER }
183};
184
185const struct pf_timeout pf_timeouts[] = {
186 { "tcp.first", PFTM_TCP_FIRST_PACKET },
187 { "tcp.opening", PFTM_TCP_OPENING },
188 { "tcp.established", PFTM_TCP_ESTABLISHED },
189 { "tcp.closing", PFTM_TCP_CLOSING },
190 { "tcp.finwait", PFTM_TCP_FIN_WAIT },
191 { "tcp.closed", PFTM_TCP_CLOSED },
192 { "tcp.tsdiff", PFTM_TS_DIFF },
193 { "udp.first", PFTM_UDP_FIRST_PACKET },
194 { "udp.single", PFTM_UDP_SINGLE },
195 { "udp.multiple", PFTM_UDP_MULTIPLE },
196 { "icmp.first", PFTM_ICMP_FIRST_PACKET },
197 { "icmp.error", PFTM_ICMP_ERROR_REPLY },
198 { "other.first", PFTM_OTHER_FIRST_PACKET },
199 { "other.single", PFTM_OTHER_SINGLE },
200 { "other.multiple", PFTM_OTHER_MULTIPLE },
201 { "frag", PFTM_FRAG },
202 { "interval", PFTM_INTERVAL },
203 { "adaptive.start", PFTM_ADAPTIVE_START },
204 { "adaptive.end", PFTM_ADAPTIVE_END },
205 { "src.track", PFTM_SRC_NODE },
206 { NULL, 0 }
207};
208
209const struct icmptypeent *
210geticmptypebynumber(u_int8_t type, sa_family_t af)
211{
212 unsigned int i;
213
214 if (af != AF_INET6) {
215 for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0]));
216 i++) {
217 if (type == icmp_type[i].type)
218 return (&icmp_type[i]);
219 }
220 } else {
221 for (i=0; i < (sizeof (icmp6_type) /
222 sizeof(icmp6_type[0])); i++) {
223 if (type == icmp6_type[i].type)
224 return (&icmp6_type[i]);
225 }
226 }
227 return (NULL);
228}
229
230const struct icmptypeent *
231geticmptypebyname(char *w, sa_family_t af)
232{
233 unsigned int i;
234
235 if (af != AF_INET6) {
236 for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0]));
237 i++) {
238 if (!strcmp(w, icmp_type[i].name))
239 return (&icmp_type[i]);
240 }
241 } else {
242 for (i=0; i < (sizeof (icmp6_type) /
243 sizeof(icmp6_type[0])); i++) {
244 if (!strcmp(w, icmp6_type[i].name))
245 return (&icmp6_type[i]);
246 }
247 }
248 return (NULL);
249}
250
251const struct icmpcodeent *
252geticmpcodebynumber(u_int8_t type, u_int8_t code, sa_family_t af)
253{
254 unsigned int i;
255
256 if (af != AF_INET6) {
257 for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0]));
258 i++) {
259 if (type == icmp_code[i].type &&
260 code == icmp_code[i].code)
261 return (&icmp_code[i]);
262 }
263 } else {
264 for (i=0; i < (sizeof (icmp6_code) /
265 sizeof(icmp6_code[0])); i++) {
266 if (type == icmp6_code[i].type &&
267 code == icmp6_code[i].code)
268 return (&icmp6_code[i]);
269 }
270 }
271 return (NULL);
272}
273
274const struct icmpcodeent *
275geticmpcodebyname(u_long type, char *w, sa_family_t af)
276{
277 unsigned int i;
278
279 if (af != AF_INET6) {
280 for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0]));
281 i++) {
282 if (type == icmp_code[i].type &&
283 !strcmp(w, icmp_code[i].name))
284 return (&icmp_code[i]);
285 }
286 } else {
287 for (i=0; i < (sizeof (icmp6_code) /
288 sizeof(icmp6_code[0])); i++) {
289 if (type == icmp6_code[i].type &&
290 !strcmp(w, icmp6_code[i].name))
291 return (&icmp6_code[i]);
292 }
293 }
294 return (NULL);
295}
296
297void
298print_op(u_int8_t op, const char *a1, const char *a2)
299{
300 if (op == PF_OP_IRG)
301 printf(" %s >< %s", a1, a2);
302 else if (op == PF_OP_XRG)
303 printf(" %s <> %s", a1, a2);
304 else if (op == PF_OP_EQ)
305 printf(" = %s", a1);
306 else if (op == PF_OP_NE)
307 printf(" != %s", a1);
308 else if (op == PF_OP_LT)
309 printf(" < %s", a1);
310 else if (op == PF_OP_LE)
311 printf(" <= %s", a1);
312 else if (op == PF_OP_GT)
313 printf(" > %s", a1);
314 else if (op == PF_OP_GE)
315 printf(" >= %s", a1);
316 else if (op == PF_OP_RRG)
317 printf(" %s:%s", a1, a2);
318}
319
320void
321print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto)
322{
323 char a1[6], a2[6];
324 struct servent *s;
325
326 s = getservbyport(p1, proto);
327 p1 = ntohs(p1);
328 p2 = ntohs(p2);
329 snprintf(a1, sizeof(a1), "%u", p1);
330 snprintf(a2, sizeof(a2), "%u", p2);
331 printf(" port");
332 if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE))
333 print_op(op, s->s_name, a2);
334 else
335 print_op(op, a1, a2);
336}
337
338void
339print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax)
340{
341 char a1[11], a2[11];
342
343 snprintf(a1, sizeof(a1), "%u", u1);
344 snprintf(a2, sizeof(a2), "%u", u2);
345 printf(" %s", t);
346 if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE))
347 print_op(op, "unknown", a2);
348 else
349 print_op(op, a1, a2);
350}
351
352void
353print_flags(u_int8_t f)
354{
355 int i;
356
357 for (i = 0; tcpflags[i]; ++i)
358 if (f & (1 << i))
359 printf("%c", tcpflags[i]);
360}
361
362void
363print_fromto(struct pf_rule_addr *src, pf_osfp_t osfp, struct pf_rule_addr *dst,
364 sa_family_t af, u_int8_t proto, int verbose)
365{
366 char buf[PF_OSFP_LEN*3];
367 if (src->addr.type == PF_ADDR_ADDRMASK &&
368 dst->addr.type == PF_ADDR_ADDRMASK &&
369 PF_AZERO(&src->addr.v.a.addr, AF_INET6) &&
370 PF_AZERO(&src->addr.v.a.mask, AF_INET6) &&
371 PF_AZERO(&dst->addr.v.a.addr, AF_INET6) &&
372 PF_AZERO(&dst->addr.v.a.mask, AF_INET6) &&
373 !src->neg && !dst->neg &&
374 !src->port_op && !dst->port_op &&
375 osfp == PF_OSFP_ANY)
376 printf(" all");
377 else {
378 printf(" from ");
379 if (src->neg)
380 printf("! ");
381 print_addr(&src->addr, af, verbose);
382 if (src->port_op)
383 print_port(src->port_op, src->port[0],
384 src->port[1],
385 proto == IPPROTO_TCP ? "tcp" : "udp");
386 if (osfp != PF_OSFP_ANY)
387 printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf,
388 sizeof(buf)));
389
390 printf(" to ");
391 if (dst->neg)
392 printf("! ");
393 print_addr(&dst->addr, af, verbose);
394 if (dst->port_op)
395 print_port(dst->port_op, dst->port[0],
396 dst->port[1],
397 proto == IPPROTO_TCP ? "tcp" : "udp");
398 }
399}
400
401void
402print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2,
403 sa_family_t af, int id)
404{
405 struct pf_pooladdr *pooladdr;
406
407 if ((TAILQ_FIRST(&pool->list) != NULL) &&
408 TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
409 printf("{ ");
410 TAILQ_FOREACH(pooladdr, &pool->list, entries){
411 switch (id) {
412 case PF_NAT:
413 case PF_RDR:
414 case PF_BINAT:
415 print_addr(&pooladdr->addr, af, 0);
416 break;
417 case PF_PASS:
418 if (PF_AZERO(&pooladdr->addr.v.a.addr, af))
419 printf("%s", pooladdr->ifname);
420 else {
421 printf("(%s ", pooladdr->ifname);
422 print_addr(&pooladdr->addr, af, 0);
423 printf(")");
424 }
425 break;
426 default:
427 break;
428 }
429 if (TAILQ_NEXT(pooladdr, entries) != NULL)
430 printf(", ");
431 else if (TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
432 printf(" }");
433 }
434 switch (id) {
435 case PF_NAT:
436 if ((p1 != PF_NAT_PROXY_PORT_LOW ||
437 p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) {
438 if (p1 == p2)
439 printf(" port %u", p1);
440 else
441 printf(" port %u:%u", p1, p2);
442 }
443 break;
444 case PF_RDR:
445 if (p1) {
446 printf(" port %u", p1);
447 if (p2 && (p2 != p1))
448 printf(":%u", p2);
449 }
450 break;
451 default:
452 break;
453 }
454 switch (pool->opts & PF_POOL_TYPEMASK) {
455 case PF_POOL_NONE:
456 break;
457 case PF_POOL_BITMASK:
458 printf(" bitmask");
459 break;
460 case PF_POOL_RANDOM:
461 printf(" random");
462 break;
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]);
467 break;
468 case PF_POOL_ROUNDROBIN:
469 printf(" round-robin");
470 break;
471 }
472 if (pool->opts & PF_POOL_STICKYADDR)
473 printf(" sticky-address");
474 if (id == PF_NAT && p1 == 0 && p2 == 0)
475 printf(" static-port");
476}
477
478const char *pf_reasons[PFRES_MAX+1] = PFRES_NAMES;
479const char *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES;
480const char *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES;
481const char *pf_scounters[FCNT_MAX+1] = FCNT_NAMES;
482
483void
484print_status(struct pf_status *s, int opts)
485{
| 75struct node_host *host_if(const char *, int);
76struct node_host *host_v4(const char *, int);
77struct node_host *host_v6(const char *, int);
78struct node_host *host_dns(const char *, int, int);
79
80const char *tcpflags = "FSRPAUEW";
81
82static 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 }
108};
109
110static 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 }
137};
138
139static 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 }
170};
171
172static 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 }
185};
186
187const 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 },
208 { NULL, 0 }
209};
210
211const struct icmptypeent *
212geticmptypebynumber(u_int8_t type, sa_family_t af)
213{
214 unsigned int i;
215
216 if (af != AF_INET6) {
217 for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0]));
218 i++) {
219 if (type == icmp_type[i].type)
220 return (&icmp_type[i]);
221 }
222 } else {
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]);
227 }
228 }
229 return (NULL);
230}
231
232const struct icmptypeent *
233geticmptypebyname(char *w, sa_family_t af)
234{
235 unsigned int i;
236
237 if (af != AF_INET6) {
238 for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0]));
239 i++) {
240 if (!strcmp(w, icmp_type[i].name))
241 return (&icmp_type[i]);
242 }
243 } else {
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]);
248 }
249 }
250 return (NULL);
251}
252
253const struct icmpcodeent *
254geticmpcodebynumber(u_int8_t type, u_int8_t code, sa_family_t af)
255{
256 unsigned int i;
257
258 if (af != AF_INET6) {
259 for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0]));
260 i++) {
261 if (type == icmp_code[i].type &&
262 code == icmp_code[i].code)
263 return (&icmp_code[i]);
264 }
265 } else {
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]);
271 }
272 }
273 return (NULL);
274}
275
276const struct icmpcodeent *
277geticmpcodebyname(u_long type, char *w, sa_family_t af)
278{
279 unsigned int i;
280
281 if (af != AF_INET6) {
282 for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0]));
283 i++) {
284 if (type == icmp_code[i].type &&
285 !strcmp(w, icmp_code[i].name))
286 return (&icmp_code[i]);
287 }
288 } else {
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]);
294 }
295 }
296 return (NULL);
297}
298
299void
300print_op(u_int8_t op, const char *a1, const char *a2)
301{
302 if (op == PF_OP_IRG)
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)
307 printf(" = %s", a1);
308 else if (op == PF_OP_NE)
309 printf(" != %s", a1);
310 else if (op == PF_OP_LT)
311 printf(" < %s", a1);
312 else if (op == PF_OP_LE)
313 printf(" <= %s", a1);
314 else if (op == PF_OP_GT)
315 printf(" > %s", a1);
316 else if (op == PF_OP_GE)
317 printf(" >= %s", a1);
318 else if (op == PF_OP_RRG)
319 printf(" %s:%s", a1, a2);
320}
321
322void
323print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto)
324{
325 char a1[6], a2[6];
326 struct servent *s;
327
328 s = getservbyport(p1, proto);
329 p1 = ntohs(p1);
330 p2 = ntohs(p2);
331 snprintf(a1, sizeof(a1), "%u", p1);
332 snprintf(a2, sizeof(a2), "%u", p2);
333 printf(" port");
334 if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE))
335 print_op(op, s->s_name, a2);
336 else
337 print_op(op, a1, a2);
338}
339
340void
341print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax)
342{
343 char a1[11], a2[11];
344
345 snprintf(a1, sizeof(a1), "%u", u1);
346 snprintf(a2, sizeof(a2), "%u", u2);
347 printf(" %s", t);
348 if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE))
349 print_op(op, "unknown", a2);
350 else
351 print_op(op, a1, a2);
352}
353
354void
355print_flags(u_int8_t f)
356{
357 int i;
358
359 for (i = 0; tcpflags[i]; ++i)
360 if (f & (1 << i))
361 printf("%c", tcpflags[i]);
362}
363
364void
365print_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)
367{
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 &&
377 osfp == PF_OSFP_ANY)
378 printf(" all");
379 else {
380 printf(" from ");
381 if (src->neg)
382 printf("! ");
383 print_addr(&src->addr, af, verbose);
384 if (src->port_op)
385 print_port(src->port_op, src->port[0],
386 src->port[1],
387 proto == IPPROTO_TCP ? "tcp" : "udp");
388 if (osfp != PF_OSFP_ANY)
389 printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf,
390 sizeof(buf)));
391
392 printf(" to ");
393 if (dst->neg)
394 printf("! ");
395 print_addr(&dst->addr, af, verbose);
396 if (dst->port_op)
397 print_port(dst->port_op, dst->port[0],
398 dst->port[1],
399 proto == IPPROTO_TCP ? "tcp" : "udp");
400 }
401}
402
403void
404print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2,
405 sa_family_t af, int id)
406{
407 struct pf_pooladdr *pooladdr;
408
409 if ((TAILQ_FIRST(&pool->list) != NULL) &&
410 TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
411 printf("{ ");
412 TAILQ_FOREACH(pooladdr, &pool->list, entries){
413 switch (id) {
414 case PF_NAT:
415 case PF_RDR:
416 case PF_BINAT:
417 print_addr(&pooladdr->addr, af, 0);
418 break;
419 case PF_PASS:
420 if (PF_AZERO(&pooladdr->addr.v.a.addr, af))
421 printf("%s", pooladdr->ifname);
422 else {
423 printf("(%s ", pooladdr->ifname);
424 print_addr(&pooladdr->addr, af, 0);
425 printf(")");
426 }
427 break;
428 default:
429 break;
430 }
431 if (TAILQ_NEXT(pooladdr, entries) != NULL)
432 printf(", ");
433 else if (TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL)
434 printf(" }");
435 }
436 switch (id) {
437 case PF_NAT:
438 if ((p1 != PF_NAT_PROXY_PORT_LOW ||
439 p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) {
440 if (p1 == p2)
441 printf(" port %u", p1);
442 else
443 printf(" port %u:%u", p1, p2);
444 }
445 break;
446 case PF_RDR:
447 if (p1) {
448 printf(" port %u", p1);
449 if (p2 && (p2 != p1))
450 printf(":%u", p2);
451 }
452 break;
453 default:
454 break;
455 }
456 switch (pool->opts & PF_POOL_TYPEMASK) {
457 case PF_POOL_NONE:
458 break;
459 case PF_POOL_BITMASK:
460 printf(" bitmask");
461 break;
462 case PF_POOL_RANDOM:
463 printf(" random");
464 break;
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]);
469 break;
470 case PF_POOL_ROUNDROBIN:
471 printf(" round-robin");
472 break;
473 }
474 if (pool->opts & PF_POOL_STICKYADDR)
475 printf(" sticky-address");
476 if (id == PF_NAT && p1 == 0 && p2 == 0)
477 printf(" static-port");
478}
479
480const char *pf_reasons[PFRES_MAX+1] = PFRES_NAMES;
481const char *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES;
482const char *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES;
483const char *pf_scounters[FCNT_MAX+1] = FCNT_NAMES;
484
485void
486print_status(struct pf_status *s, int opts)
487{
|
486 char statline[80], *running;
487 time_t runtime;
488 int i;
| 488 char statline[80], *running;
489 time_t runtime;
490 int i;
491 char buf[PF_MD5_DIGEST_LENGTH * 2 + 1];
492 static const char hex[] = "0123456789abcdef";
|
489
490 runtime = time(NULL) - s->since;
491 running = s->running ? "Enabled" : "Disabled";
492
493 if (s->since) {
494 unsigned sec, min, hrs, day = runtime;
495
496 sec = day % 60;
497 day /= 60;
498 min = day % 60;
499 day /= 60;
500 hrs = day % 24;
501 day /= 24;
502 snprintf(statline, sizeof(statline),
503 "Status: %s for %u days %.2u:%.2u:%.2u",
504 running, day, hrs, min, sec);
505 } else
506 snprintf(statline, sizeof(statline), "Status: %s", running);
507 printf("%-44s", statline);
508 switch (s->debug) {
509 case PF_DEBUG_NONE:
510 printf("%15s\n\n", "Debug: None");
511 break;
512 case PF_DEBUG_URGENT:
513 printf("%15s\n\n", "Debug: Urgent");
514 break;
515 case PF_DEBUG_MISC:
516 printf("%15s\n\n", "Debug: Misc");
517 break;
518 case PF_DEBUG_NOISY:
519 printf("%15s\n\n", "Debug: Loud");
520 break;
521 }
| 493
494 runtime = time(NULL) - s->since;
495 running = s->running ? "Enabled" : "Disabled";
496
497 if (s->since) {
498 unsigned sec, min, hrs, day = runtime;
499
500 sec = day % 60;
501 day /= 60;
502 min = day % 60;
503 day /= 60;
504 hrs = day % 24;
505 day /= 24;
506 snprintf(statline, sizeof(statline),
507 "Status: %s for %u days %.2u:%.2u:%.2u",
508 running, day, hrs, min, sec);
509 } else
510 snprintf(statline, sizeof(statline), "Status: %s", running);
511 printf("%-44s", statline);
512 switch (s->debug) {
513 case PF_DEBUG_NONE:
514 printf("%15s\n\n", "Debug: None");
515 break;
516 case PF_DEBUG_URGENT:
517 printf("%15s\n\n", "Debug: Urgent");
518 break;
519 case PF_DEBUG_MISC:
520 printf("%15s\n\n", "Debug: Misc");
521 break;
522 case PF_DEBUG_NOISY:
523 printf("%15s\n\n", "Debug: Loud");
524 break;
525 }
|
522 printf("Hostid: 0x%08x\n\n", ntohl(s->hostid));
| 526
527 if (opts & PF_OPT_VERBOSE) {
528 printf("Hostid: 0x%08x\n", ntohl(s->hostid));
529
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];
533 }
534 buf[i + i] = '\0';
535 printf("Checksum: 0x%s\n\n", buf);
536 }
537
|
523 if (s->ifname[0] != 0) {
524 printf("Interface Stats for %-16s %5s %16s\n",
525 s->ifname, "IPv4", "IPv6");
526 printf(" %-25s %14llu %16llu\n", "Bytes In",
527 (unsigned long long)s->bcounters[0][0],
528 (unsigned long long)s->bcounters[1][0]);
529 printf(" %-25s %14llu %16llu\n", "Bytes Out",
530 (unsigned long long)s->bcounters[0][1],
531 (unsigned long long)s->bcounters[1][1]);
532 printf(" Packets In\n");
533 printf(" %-23s %14llu %16llu\n", "Passed",
534 (unsigned long long)s->pcounters[0][0][PF_PASS],
535 (unsigned long long)s->pcounters[1][0][PF_PASS]);
536 printf(" %-23s %14llu %16llu\n", "Blocked",
537 (unsigned long long)s->pcounters[0][0][PF_DROP],
538 (unsigned long long)s->pcounters[1][0][PF_DROP]);
539 printf(" Packets Out\n");
540 printf(" %-23s %14llu %16llu\n", "Passed",
541 (unsigned long long)s->pcounters[0][1][PF_PASS],
542 (unsigned long long)s->pcounters[1][1][PF_PASS]);
543 printf(" %-23s %14llu %16llu\n\n", "Blocked",
544 (unsigned long long)s->pcounters[0][1][PF_DROP],
545 (unsigned long long)s->pcounters[1][1][PF_DROP]);
546 }
547 printf("%-27s %14s %16s\n", "State Table", "Total", "Rate");
548 printf(" %-25s %14u %14s\n", "current entries", s->states, "");
549 for (i = 0; i < FCNT_MAX; i++) {
550 printf(" %-25s %14llu ", pf_fcounters[i],
551 (unsigned long long)s->fcounters[i]);
552 if (runtime > 0)
553 printf("%14.1f/s\n",
554 (double)s->fcounters[i] / (double)runtime);
555 else
556 printf("%14s\n", "");
557 }
558 if (opts & PF_OPT_VERBOSE) {
559 printf("Source Tracking Table\n");
560 printf(" %-25s %14u %14s\n", "current entries",
561 s->src_nodes, "");
562 for (i = 0; i < SCNT_MAX; i++) {
563 printf(" %-25s %14lld ", pf_scounters[i],
564 (unsigned long long)s->scounters[i]);
565 if (runtime > 0)
566 printf("%14.1f/s\n",
567 (double)s->scounters[i] / (double)runtime);
568 else
569 printf("%14s\n", "");
570 }
571 }
572 printf("Counters\n");
573 for (i = 0; i < PFRES_MAX; i++) {
574 printf(" %-25s %14llu ", pf_reasons[i],
575 (unsigned long long)s->counters[i]);
576 if (runtime > 0)
577 printf("%14.1f/s\n",
578 (double)s->counters[i] / (double)runtime);
579 else
580 printf("%14s\n", "");
581 }
582 if (opts & PF_OPT_VERBOSE) {
583 printf("Limit Counters\n");
584 for (i = 0; i < LCNT_MAX; i++) {
585 printf(" %-25s %14lld ", pf_lcounters[i],
586#ifdef __FreeBSD__
587 (unsigned long long)s->lcounters[i]);
588#else
589 s->lcounters[i]);
590#endif
591 if (runtime > 0)
592 printf("%14.1f/s\n",
593 (double)s->lcounters[i] / (double)runtime);
594 else
595 printf("%14s\n", "");
596 }
597 }
598}
599
600void
601print_src_node(struct pf_src_node *sn, int opts)
602{
603 struct pf_addr_wrap aw;
604 int min, sec;
605
606 memset(&aw, 0, sizeof(aw));
607 if (sn->af == AF_INET)
608 aw.v.a.mask.addr32[0] = 0xffffffff;
609 else
610 memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask));
611
612 aw.v.a.addr = sn->addr;
613 print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2);
614 printf(" -> ");
615 aw.v.a.addr = sn->raddr;
616 print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2);
617 printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states,
618 sn->conn, sn->conn_rate.count / 1000,
619 (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds);
620 if (opts & PF_OPT_VERBOSE) {
621 sec = sn->creation % 60;
622 sn->creation /= 60;
623 min = sn->creation % 60;
624 sn->creation /= 60;
625 printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec);
626 if (sn->states == 0) {
627 sec = sn->expire % 60;
628 sn->expire /= 60;
629 min = sn->expire % 60;
630 sn->expire /= 60;
631 printf(", expires in %.2u:%.2u:%.2u",
632 sn->expire, min, sec);
633 }
| 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]);
561 }
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]);
567 if (runtime > 0)
568 printf("%14.1f/s\n",
569 (double)s->fcounters[i] / (double)runtime);
570 else
571 printf("%14s\n", "");
572 }
573 if (opts & PF_OPT_VERBOSE) {
574 printf("Source Tracking Table\n");
575 printf(" %-25s %14u %14s\n", "current entries",
576 s->src_nodes, "");
577 for (i = 0; i < SCNT_MAX; i++) {
578 printf(" %-25s %14lld ", pf_scounters[i],
579 (unsigned long long)s->scounters[i]);
580 if (runtime > 0)
581 printf("%14.1f/s\n",
582 (double)s->scounters[i] / (double)runtime);
583 else
584 printf("%14s\n", "");
585 }
586 }
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]);
591 if (runtime > 0)
592 printf("%14.1f/s\n",
593 (double)s->counters[i] / (double)runtime);
594 else
595 printf("%14s\n", "");
596 }
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],
601#ifdef __FreeBSD__
602 (unsigned long long)s->lcounters[i]);
603#else
604 s->lcounters[i]);
605#endif
606 if (runtime > 0)
607 printf("%14.1f/s\n",
608 (double)s->lcounters[i] / (double)runtime);
609 else
610 printf("%14s\n", "");
611 }
612 }
613}
614
615void
616print_src_node(struct pf_src_node *sn, int opts)
617{
618 struct pf_addr_wrap aw;
619 int min, sec;
620
621 memset(&aw, 0, sizeof(aw));
622 if (sn->af == AF_INET)
623 aw.v.a.mask.addr32[0] = 0xffffffff;
624 else
625 memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask));
626
627 aw.v.a.addr = sn->addr;
628 print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2);
629 printf(" -> ");
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;
637 sn->creation /= 60;
638 min = sn->creation % 60;
639 sn->creation /= 60;
640 printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec);
641 if (sn->states == 0) {
642 sec = sn->expire % 60;
643 sn->expire /= 60;
644 min = sn->expire % 60;
645 sn->expire /= 60;
646 printf(", expires in %.2u:%.2u:%.2u",
647 sn->expire, min, sec);
648 }
|
634 printf(", %u pkts, %u bytes", sn->packets, sn->bytes);
| 649 printf(", %llu pkts, %llu bytes",
650#ifdef __FreeBSD__
651 (unsigned long long)(sn->packets[0] + sn->packets[1]),
652 (unsigned long long)(sn->bytes[0] + sn->bytes[1]));
653#else
654 sn->packets[0] + sn->packets[1],
655 sn->bytes[0] + sn->bytes[1]);
656#endif
|
635 switch (sn->ruletype) {
636 case PF_NAT:
637 if (sn->rule.nr != -1)
638 printf(", nat rule %u", sn->rule.nr);
639 break;
640 case PF_RDR:
641 if (sn->rule.nr != -1)
642 printf(", rdr rule %u", sn->rule.nr);
643 break;
644 case PF_PASS:
645 if (sn->rule.nr != -1)
646 printf(", filter rule %u", sn->rule.nr);
647 break;
648 }
649 printf("\n");
650 }
651}
652
653void
654print_rule(struct pf_rule *r, const char *anchor_call, int verbose)
655{
656 static const char *actiontypes[] = { "pass", "block", "scrub",
657 "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr" };
658 static const char *anchortypes[] = { "anchor", "anchor", "anchor",
659 "anchor", "nat-anchor", "nat-anchor", "binat-anchor",
660 "binat-anchor", "rdr-anchor", "rdr-anchor" };
661 int i, opts;
662
663 if (verbose)
664 printf("@%d ", r->nr);
665 if (r->action > PF_NORDR)
666 printf("action(%d)", r->action);
| 657 switch (sn->ruletype) {
658 case PF_NAT:
659 if (sn->rule.nr != -1)
660 printf(", nat rule %u", sn->rule.nr);
661 break;
662 case PF_RDR:
663 if (sn->rule.nr != -1)
664 printf(", rdr rule %u", sn->rule.nr);
665 break;
666 case PF_PASS:
667 if (sn->rule.nr != -1)
668 printf(", filter rule %u", sn->rule.nr);
669 break;
670 }
671 printf("\n");
672 }
673}
674
675void
676print_rule(struct pf_rule *r, const char *anchor_call, int verbose)
677{
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" };
683 int i, opts;
684
685 if (verbose)
686 printf("@%d ", r->nr);
687 if (r->action > PF_NORDR)
688 printf("action(%d)", r->action);
|
667 else if (anchor_call[0])
668 printf("%s \"%s\"", anchortypes[r->action],
669 anchor_call);
670 else {
| 689 else if (anchor_call[0]) {
690 if (anchor_call[0] == '_') {
691 printf("%s", anchortypes[r->action]);
692 } else
693 printf("%s \"%s\"", anchortypes[r->action],
694 anchor_call);
695 } else {
|
671 printf("%s", actiontypes[r->action]);
672 if (r->natpass)
673 printf(" pass");
674 }
675 if (r->action == PF_DROP) {
676 if (r->rule_flag & PFRULE_RETURN)
677 printf(" return");
678 else if (r->rule_flag & PFRULE_RETURNRST) {
679 if (!r->return_ttl)
680 printf(" return-rst");
681 else
682 printf(" return-rst(ttl %d)", r->return_ttl);
683 } else if (r->rule_flag & PFRULE_RETURNICMP) {
684 const struct icmpcodeent *ic, *ic6;
685
686 ic = geticmpcodebynumber(r->return_icmp >> 8,
687 r->return_icmp & 255, AF_INET);
688 ic6 = geticmpcodebynumber(r->return_icmp6 >> 8,
689 r->return_icmp6 & 255, AF_INET6);
690
691 switch (r->af) {
692 case AF_INET:
693 printf(" return-icmp");
694 if (ic == NULL)
695 printf("(%u)", r->return_icmp & 255);
696 else
697 printf("(%s)", ic->name);
698 break;
699 case AF_INET6:
700 printf(" return-icmp6");
701 if (ic6 == NULL)
702 printf("(%u)", r->return_icmp6 & 255);
703 else
704 printf("(%s)", ic6->name);
705 break;
706 default:
707 printf(" return-icmp");
708 if (ic == NULL)
709 printf("(%u, ", r->return_icmp & 255);
710 else
711 printf("(%s, ", ic->name);
712 if (ic6 == NULL)
713 printf("%u)", r->return_icmp6 & 255);
714 else
715 printf("%s)", ic6->name);
716 break;
717 }
718 } else
719 printf(" drop");
720 }
721 if (r->direction == PF_IN)
722 printf(" in");
723 else if (r->direction == PF_OUT)
724 printf(" out");
| 696 printf("%s", actiontypes[r->action]);
697 if (r->natpass)
698 printf(" pass");
699 }
700 if (r->action == PF_DROP) {
701 if (r->rule_flag & PFRULE_RETURN)
702 printf(" return");
703 else if (r->rule_flag & PFRULE_RETURNRST) {
704 if (!r->return_ttl)
705 printf(" return-rst");
706 else
707 printf(" return-rst(ttl %d)", r->return_ttl);
708 } else if (r->rule_flag & PFRULE_RETURNICMP) {
709 const struct icmpcodeent *ic, *ic6;
710
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);
715
716 switch (r->af) {
717 case AF_INET:
718 printf(" return-icmp");
719 if (ic == NULL)
720 printf("(%u)", r->return_icmp & 255);
721 else
722 printf("(%s)", ic->name);
723 break;
724 case AF_INET6:
725 printf(" return-icmp6");
726 if (ic6 == NULL)
727 printf("(%u)", r->return_icmp6 & 255);
728 else
729 printf("(%s)", ic6->name);
730 break;
731 default:
732 printf(" return-icmp");
733 if (ic == NULL)
734 printf("(%u, ", r->return_icmp & 255);
735 else
736 printf("(%s, ", ic->name);
737 if (ic6 == NULL)
738 printf("%u)", r->return_icmp6 & 255);
739 else
740 printf("%s)", ic6->name);
741 break;
742 }
743 } else
744 printf(" drop");
745 }
746 if (r->direction == PF_IN)
747 printf(" in");
748 else if (r->direction == PF_OUT)
749 printf(" out");
|
725 if (r->log == 1)
| 750 if (r->log) {
|
726 printf(" log");
| 751 printf(" log");
|
727 else if (r->log == 2)
728 printf(" log-all");
| 752 if (r->log & ~PF_LOG || r->logif) {
753 int count = 0;
754
755 printf(" (");
756 if (r->log & PF_LOG_ALL)
757 printf("%sall", count++ ? ", " : "");
758 if (r->log & PF_LOG_SOCKET_LOOKUP)
759 printf("%suser", count++ ? ", " : "");
760 if (r->logif)
761 printf("%sto pflog%u", count++ ? ", " : "",
762 r->logif);
763 printf(")");
764 }
765 }
|
729 if (r->quick)
730 printf(" quick");
731 if (r->ifname[0]) {
732 if (r->ifnot)
733 printf(" on ! %s", r->ifname);
734 else
735 printf(" on %s", r->ifname);
736 }
737 if (r->rt) {
738 if (r->rt == PF_ROUTETO)
739 printf(" route-to");
740 else if (r->rt == PF_REPLYTO)
741 printf(" reply-to");
742 else if (r->rt == PF_DUPTO)
743 printf(" dup-to");
744 else if (r->rt == PF_FASTROUTE)
745 printf(" fastroute");
746 if (r->rt != PF_FASTROUTE) {
747 printf(" ");
748 print_pool(&r->rpool, 0, 0, r->af, PF_PASS);
749 }
750 }
751 if (r->af) {
752 if (r->af == AF_INET)
753 printf(" inet");
754 else
755 printf(" inet6");
756 }
757 if (r->proto) {
758 struct protoent *p;
759
760 if ((p = getprotobynumber(r->proto)) != NULL)
761 printf(" proto %s", p->p_name);
762 else
763 printf(" proto %u", r->proto);
764 }
765 print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto,
766 verbose);
767 if (r->uid.op)
768 print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user",
769 UID_MAX);
770 if (r->gid.op)
771 print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group",
772 GID_MAX);
773 if (r->flags || r->flagset) {
774 printf(" flags ");
775 print_flags(r->flags);
776 printf("/");
777 print_flags(r->flagset);
| 766 if (r->quick)
767 printf(" quick");
768 if (r->ifname[0]) {
769 if (r->ifnot)
770 printf(" on ! %s", r->ifname);
771 else
772 printf(" on %s", r->ifname);
773 }
774 if (r->rt) {
775 if (r->rt == PF_ROUTETO)
776 printf(" route-to");
777 else if (r->rt == PF_REPLYTO)
778 printf(" reply-to");
779 else if (r->rt == PF_DUPTO)
780 printf(" dup-to");
781 else if (r->rt == PF_FASTROUTE)
782 printf(" fastroute");
783 if (r->rt != PF_FASTROUTE) {
784 printf(" ");
785 print_pool(&r->rpool, 0, 0, r->af, PF_PASS);
786 }
787 }
788 if (r->af) {
789 if (r->af == AF_INET)
790 printf(" inet");
791 else
792 printf(" inet6");
793 }
794 if (r->proto) {
795 struct protoent *p;
796
797 if ((p = getprotobynumber(r->proto)) != NULL)
798 printf(" proto %s", p->p_name);
799 else
800 printf(" proto %u", r->proto);
801 }
802 print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto,
803 verbose);
804 if (r->uid.op)
805 print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user",
806 UID_MAX);
807 if (r->gid.op)
808 print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group",
809 GID_MAX);
810 if (r->flags || r->flagset) {
811 printf(" flags ");
812 print_flags(r->flags);
813 printf("/");
814 print_flags(r->flagset);
|
778 }
| 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");
|
779 if (r->type) {
780 const struct icmptypeent *it;
781
782 it = geticmptypebynumber(r->type-1, r->af);
783 if (r->af != AF_INET6)
784 printf(" icmp-type");
785 else
786 printf(" icmp6-type");
787 if (it != NULL)
788 printf(" %s", it->name);
789 else
790 printf(" %u", r->type-1);
791 if (r->code) {
792 const struct icmpcodeent *ic;
793
794 ic = geticmpcodebynumber(r->type-1, r->code-1, r->af);
795 if (ic != NULL)
796 printf(" code %s", ic->name);
797 else
798 printf(" code %u", r->code-1);
799 }
800 }
801 if (r->tos)
802 printf(" tos 0x%2.2x", r->tos);
| 820 if (r->type) {
821 const struct icmptypeent *it;
822
823 it = geticmptypebynumber(r->type-1, r->af);
824 if (r->af != AF_INET6)
825 printf(" icmp-type");
826 else
827 printf(" icmp6-type");
828 if (it != NULL)
829 printf(" %s", it->name);
830 else
831 printf(" %u", r->type-1);
832 if (r->code) {
833 const struct icmpcodeent *ic;
834
835 ic = geticmpcodebynumber(r->type-1, r->code-1, r->af);
836 if (ic != NULL)
837 printf(" code %s", ic->name);
838 else
839 printf(" code %u", r->code-1);
840 }
841 }
842 if (r->tos)
843 printf(" tos 0x%2.2x", r->tos);
|
803 if (r->keep_state == PF_STATE_NORMAL)
| 844 if (!r->keep_state && r->action == PF_PASS && !anchor_call[0])
845 printf(" no state");
846 else if (r->keep_state == PF_STATE_NORMAL)
|
804 printf(" keep state");
805 else if (r->keep_state == PF_STATE_MODULATE)
806 printf(" modulate state");
807 else if (r->keep_state == PF_STATE_SYNPROXY)
808 printf(" synproxy state");
809 if (r->prob) {
810 char buf[20];
811
812 snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0));
813 for (i = strlen(buf)-1; i > 0; i--) {
814 if (buf[i] == '0')
815 buf[i] = '\0';
816 else {
817 if (buf[i] == '.')
818 buf[i] = '\0';
819 break;
820 }
821 }
822 printf(" probability %s%%", buf);
823 }
824 opts = 0;
825 if (r->max_states || r->max_src_nodes || r->max_src_states)
826 opts = 1;
827 if (r->rule_flag & PFRULE_NOSYNC)
828 opts = 1;
829 if (r->rule_flag & PFRULE_SRCTRACK)
830 opts = 1;
| 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");
852 if (r->prob) {
853 char buf[20];
854
855 snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0));
856 for (i = strlen(buf)-1; i > 0; i--) {
857 if (buf[i] == '0')
858 buf[i] = '\0';
859 else {
860 if (buf[i] == '.')
861 buf[i] = '\0';
862 break;
863 }
864 }
865 printf(" probability %s%%", buf);
866 }
867 opts = 0;
868 if (r->max_states || r->max_src_nodes || r->max_src_states)
869 opts = 1;
870 if (r->rule_flag & PFRULE_NOSYNC)
871 opts = 1;
872 if (r->rule_flag & PFRULE_SRCTRACK)
873 opts = 1;
|
831 if (r->rule_flag & (PFRULE_IFBOUND | PFRULE_GRBOUND))
| 874 if (r->rule_flag & PFRULE_IFBOUND)
|
832 opts = 1;
833 for (i = 0; !opts && i < PFTM_MAX; ++i)
834 if (r->timeout[i])
835 opts = 1;
836 if (opts) {
837 printf(" (");
838 if (r->max_states) {
839 printf("max %u", r->max_states);
840 opts = 0;
841 }
842 if (r->rule_flag & PFRULE_NOSYNC) {
843 if (!opts)
844 printf(", ");
845 printf("no-sync");
846 opts = 0;
847 }
848 if (r->rule_flag & PFRULE_SRCTRACK) {
849 if (!opts)
850 printf(", ");
851 printf("source-track");
852 if (r->rule_flag & PFRULE_RULESRCTRACK)
853 printf(" rule");
854 else
855 printf(" global");
856 opts = 0;
857 }
858 if (r->max_src_states) {
859 if (!opts)
860 printf(", ");
861 printf("max-src-states %u", r->max_src_states);
862 opts = 0;
863 }
864 if (r->max_src_conn) {
865 if (!opts)
866 printf(", ");
867 printf("max-src-conn %u", r->max_src_conn);
868 opts = 0;
869 }
870 if (r->max_src_conn_rate.limit) {
871 if (!opts)
872 printf(", ");
873 printf("max-src-conn-rate %u/%u",
874 r->max_src_conn_rate.limit,
875 r->max_src_conn_rate.seconds);
876 opts = 0;
877 }
878 if (r->max_src_nodes) {
879 if (!opts)
880 printf(", ");
881 printf("max-src-nodes %u", r->max_src_nodes);
882 opts = 0;
883 }
884 if (r->overload_tblname[0]) {
885 if (!opts)
886 printf(", ");
887 printf("overload <%s>", r->overload_tblname);
888 if (r->flush)
889 printf(" flush");
890 if (r->flush & PF_FLUSH_GLOBAL)
891 printf(" global");
892 }
893 if (r->rule_flag & PFRULE_IFBOUND) {
894 if (!opts)
895 printf(", ");
896 printf("if-bound");
897 opts = 0;
898 }
| 875 opts = 1;
876 for (i = 0; !opts && i < PFTM_MAX; ++i)
877 if (r->timeout[i])
878 opts = 1;
879 if (opts) {
880 printf(" (");
881 if (r->max_states) {
882 printf("max %u", r->max_states);
883 opts = 0;
884 }
885 if (r->rule_flag & PFRULE_NOSYNC) {
886 if (!opts)
887 printf(", ");
888 printf("no-sync");
889 opts = 0;
890 }
891 if (r->rule_flag & PFRULE_SRCTRACK) {
892 if (!opts)
893 printf(", ");
894 printf("source-track");
895 if (r->rule_flag & PFRULE_RULESRCTRACK)
896 printf(" rule");
897 else
898 printf(" global");
899 opts = 0;
900 }
901 if (r->max_src_states) {
902 if (!opts)
903 printf(", ");
904 printf("max-src-states %u", r->max_src_states);
905 opts = 0;
906 }
907 if (r->max_src_conn) {
908 if (!opts)
909 printf(", ");
910 printf("max-src-conn %u", r->max_src_conn);
911 opts = 0;
912 }
913 if (r->max_src_conn_rate.limit) {
914 if (!opts)
915 printf(", ");
916 printf("max-src-conn-rate %u/%u",
917 r->max_src_conn_rate.limit,
918 r->max_src_conn_rate.seconds);
919 opts = 0;
920 }
921 if (r->max_src_nodes) {
922 if (!opts)
923 printf(", ");
924 printf("max-src-nodes %u", r->max_src_nodes);
925 opts = 0;
926 }
927 if (r->overload_tblname[0]) {
928 if (!opts)
929 printf(", ");
930 printf("overload <%s>", r->overload_tblname);
931 if (r->flush)
932 printf(" flush");
933 if (r->flush & PF_FLUSH_GLOBAL)
934 printf(" global");
935 }
936 if (r->rule_flag & PFRULE_IFBOUND) {
937 if (!opts)
938 printf(", ");
939 printf("if-bound");
940 opts = 0;
941 }
|
899 if (r->rule_flag & PFRULE_GRBOUND) {
900 if (!opts)
901 printf(", ");
902 printf("group-bound");
903 opts = 0;
904 }
| |
905 for (i = 0; i < PFTM_MAX; ++i)
906 if (r->timeout[i]) {
907 int j;
908
909 if (!opts)
910 printf(", ");
911 opts = 0;
| 942 for (i = 0; i < PFTM_MAX; ++i)
943 if (r->timeout[i]) {
944 int j;
945
946 if (!opts)
947 printf(", ");
948 opts = 0;
|
912 for (j = 0; j < sizeof(pf_timeouts) /
913 sizeof(pf_timeouts[0]); ++j)
| 949 for (j = 0; pf_timeouts[j].name != NULL;
950 ++j)
|
914 if (pf_timeouts[j].timeout == i)
915 break;
| 951 if (pf_timeouts[j].timeout == i)
952 break;
|
916 printf("%s %u", j == PFTM_MAX ? "inv.timeout" :
917 pf_timeouts[j].name, r->timeout[i]);
| 953 printf("%s %u", pf_timeouts[j].name == NULL ?
954 "inv.timeout" : pf_timeouts[j].name,
955 r->timeout[i]);
|
918 }
919 printf(")");
920 }
921 if (r->rule_flag & PFRULE_FRAGMENT)
922 printf(" fragment");
923 if (r->rule_flag & PFRULE_NODF)
924 printf(" no-df");
925 if (r->rule_flag & PFRULE_RANDOMID)
926 printf(" random-id");
927 if (r->min_ttl)
928 printf(" min-ttl %d", r->min_ttl);
929 if (r->max_mss)
930 printf(" max-mss %d", r->max_mss);
931 if (r->allow_opts)
932 printf(" allow-opts");
933 if (r->action == PF_SCRUB) {
934 if (r->rule_flag & PFRULE_REASSEMBLE_TCP)
935 printf(" reassemble tcp");
936
937 if (r->rule_flag & PFRULE_FRAGDROP)
938 printf(" fragment drop-ovl");
939 else if (r->rule_flag & PFRULE_FRAGCROP)
940 printf(" fragment crop");
941 else
942 printf(" fragment reassemble");
943 }
944 if (r->label[0])
945 printf(" label \"%s\"", r->label);
946 if (r->qname[0] && r->pqname[0])
947 printf(" queue(%s, %s)", r->qname, r->pqname);
948 else if (r->qname[0])
949 printf(" queue %s", r->qname);
950 if (r->tagname[0])
951 printf(" tag %s", r->tagname);
952 if (r->match_tagname[0]) {
953 if (r->match_tag_not)
954 printf(" !");
955 printf(" tagged %s", r->match_tagname);
956 }
| 956 }
957 printf(")");
958 }
959 if (r->rule_flag & PFRULE_FRAGMENT)
960 printf(" fragment");
961 if (r->rule_flag & PFRULE_NODF)
962 printf(" no-df");
963 if (r->rule_flag & PFRULE_RANDOMID)
964 printf(" random-id");
965 if (r->min_ttl)
966 printf(" min-ttl %d", r->min_ttl);
967 if (r->max_mss)
968 printf(" max-mss %d", r->max_mss);
969 if (r->allow_opts)
970 printf(" allow-opts");
971 if (r->action == PF_SCRUB) {
972 if (r->rule_flag & PFRULE_REASSEMBLE_TCP)
973 printf(" reassemble tcp");
974
975 if (r->rule_flag & PFRULE_FRAGDROP)
976 printf(" fragment drop-ovl");
977 else if (r->rule_flag & PFRULE_FRAGCROP)
978 printf(" fragment crop");
979 else
980 printf(" fragment reassemble");
981 }
982 if (r->label[0])
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);
988 if (r->tagname[0])
989 printf(" tag %s", r->tagname);
990 if (r->match_tagname[0]) {
991 if (r->match_tag_not)
992 printf(" !");
993 printf(" tagged %s", r->match_tagname);
994 }
|
| 995 if (r->rtableid != -1)
996 printf(" rtable %u", r->rtableid);
|
957 if (!anchor_call[0] && (r->action == PF_NAT ||
958 r->action == PF_BINAT || r->action == PF_RDR)) {
959 printf(" -> ");
960 print_pool(&r->rpool, r->rpool.proxy_port[0],
961 r->rpool.proxy_port[1], r->af, r->action);
962 }
| 997 if (!anchor_call[0] && (r->action == PF_NAT ||
998 r->action == PF_BINAT || r->action == PF_RDR)) {
999 printf(" -> ");
1000 print_pool(&r->rpool, r->rpool.proxy_port[0],
1001 r->rpool.proxy_port[1], r->af, r->action);
1002 }
|
963 printf("\n");
| |
964}
965
966void
967print_tabledef(const char *name, int flags, int addrs,
968 struct node_tinithead *nodes)
969{
970 struct node_tinit *ti, *nti;
971 struct node_host *h;
972
973 printf("table <%s>", name);
974 if (flags & PFR_TFLAG_CONST)
975 printf(" const");
976 if (flags & PFR_TFLAG_PERSIST)
977 printf(" persist");
978 SIMPLEQ_FOREACH(ti, nodes, entries) {
979 if (ti->file) {
980 printf(" file \"%s\"", ti->file);
981 continue;
982 }
983 printf(" {");
984 for (;;) {
985 for (h = ti->host; h != NULL; h = h->next) {
986 printf(h->not ? " !" : " ");
987 print_addr(&h->addr, h->af, 0);
988 }
989 nti = SIMPLEQ_NEXT(ti, entries);
990 if (nti != NULL && nti->file == NULL)
991 ti = nti; /* merge lists */
992 else
993 break;
994 }
995 printf(" }");
996 }
997 if (addrs && SIMPLEQ_EMPTY(nodes))
998 printf(" { }");
999 printf("\n");
1000}
1001
1002int
1003parse_flags(char *s)
1004{
1005 char *p, *q;
1006 u_int8_t f = 0;
1007
1008 for (p = s; *p; p++) {
1009 if ((q = strchr(tcpflags, *p)) == NULL)
1010 return -1;
1011 else
1012 f |= 1 << (q - tcpflags);
1013 }
1014 return (f ? f : PF_TH_ALL);
1015}
1016
1017void
1018set_ipmask(struct node_host *h, u_int8_t b)
1019{
1020 struct pf_addr *m, *n;
1021 int i, j = 0;
1022
1023 m = &h->addr.v.a.mask;
1024 memset(m, 0, sizeof(*m));
1025
1026 while (b >= 32) {
1027 m->addr32[j++] = 0xffffffff;
1028 b -= 32;
1029 }
1030 for (i = 31; i > 31-b; --i)
1031 m->addr32[j] |= (1 << i);
1032 if (b)
1033 m->addr32[j] = htonl(m->addr32[j]);
1034
1035 /* Mask off bits of the address that will never be used. */
1036 n = &h->addr.v.a.addr;
1037 if (h->addr.type == PF_ADDR_ADDRMASK)
1038 for (i = 0; i < 4; i++)
1039 n->addr32[i] = n->addr32[i] & m->addr32[i];
1040}
1041
1042int
1043check_netmask(struct node_host *h, sa_family_t af)
1044{
1045 struct node_host *n = NULL;
1046 struct pf_addr *m;
1047
1048 for (n = h; n != NULL; n = n->next) {
1049 if (h->addr.type == PF_ADDR_TABLE)
1050 continue;
1051 m = &h->addr.v.a.mask;
1052 /* fix up netmask for dynaddr */
1053 if (af == AF_INET && h->addr.type == PF_ADDR_DYNIFTL &&
1054 unmask(m, AF_INET6) > 32)
1055 set_ipmask(n, 32);
1056 /* netmasks > 32 bit are invalid on v4 */
1057 if (af == AF_INET &&
1058 (m->addr32[1] || m->addr32[2] || m->addr32[3])) {
1059 fprintf(stderr, "netmask %u invalid for IPv4 address\n",
1060 unmask(m, AF_INET6));
1061 return (1);
1062 }
1063 }
1064 return (0);
1065}
1066
1067/* interface lookup routines */
1068
1069struct node_host *iftab;
1070
1071void
1072ifa_load(void)
1073{
1074 struct ifaddrs *ifap, *ifa;
1075 struct node_host *n = NULL, *h = NULL;
1076
1077 if (getifaddrs(&ifap) < 0)
1078 err(1, "getifaddrs");
1079
1080 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1081 if (!(ifa->ifa_addr->sa_family == AF_INET ||
1082 ifa->ifa_addr->sa_family == AF_INET6 ||
1083 ifa->ifa_addr->sa_family == AF_LINK))
1084 continue;
1085 n = calloc(1, sizeof(struct node_host));
1086 if (n == NULL)
1087 err(1, "address: calloc");
1088 n->af = ifa->ifa_addr->sa_family;
1089 n->ifa_flags = ifa->ifa_flags;
1090#ifdef __KAME__
1091 if (n->af == AF_INET6 &&
1092 IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *)
1093 ifa->ifa_addr)->sin6_addr) &&
1094 ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id ==
1095 0) {
1096 struct sockaddr_in6 *sin6;
1097
1098 sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
1099 sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 |
1100 sin6->sin6_addr.s6_addr[3];
1101 sin6->sin6_addr.s6_addr[2] = 0;
1102 sin6->sin6_addr.s6_addr[3] = 0;
1103 }
1104#endif
1105 n->ifindex = 0;
1106 if (n->af == AF_INET) {
1107 memcpy(&n->addr.v.a.addr, &((struct sockaddr_in *)
1108 ifa->ifa_addr)->sin_addr.s_addr,
1109 sizeof(struct in_addr));
1110 memcpy(&n->addr.v.a.mask, &((struct sockaddr_in *)
1111 ifa->ifa_netmask)->sin_addr.s_addr,
1112 sizeof(struct in_addr));
1113 if (ifa->ifa_broadaddr != NULL)
1114 memcpy(&n->bcast, &((struct sockaddr_in *)
1115 ifa->ifa_broadaddr)->sin_addr.s_addr,
1116 sizeof(struct in_addr));
1117 if (ifa->ifa_dstaddr != NULL)
1118 memcpy(&n->peer, &((struct sockaddr_in *)
1119 ifa->ifa_dstaddr)->sin_addr.s_addr,
1120 sizeof(struct in_addr));
1121 } else if (n->af == AF_INET6) {
1122 memcpy(&n->addr.v.a.addr, &((struct sockaddr_in6 *)
1123 ifa->ifa_addr)->sin6_addr.s6_addr,
1124 sizeof(struct in6_addr));
1125 memcpy(&n->addr.v.a.mask, &((struct sockaddr_in6 *)
1126 ifa->ifa_netmask)->sin6_addr.s6_addr,
1127 sizeof(struct in6_addr));
1128 if (ifa->ifa_broadaddr != NULL)
1129 memcpy(&n->bcast, &((struct sockaddr_in6 *)
1130 ifa->ifa_broadaddr)->sin6_addr.s6_addr,
1131 sizeof(struct in6_addr));
1132 if (ifa->ifa_dstaddr != NULL)
1133 memcpy(&n->peer, &((struct sockaddr_in6 *)
1134 ifa->ifa_dstaddr)->sin6_addr.s6_addr,
1135 sizeof(struct in6_addr));
1136 n->ifindex = ((struct sockaddr_in6 *)
1137 ifa->ifa_addr)->sin6_scope_id;
1138 }
1139 if ((n->ifname = strdup(ifa->ifa_name)) == NULL)
1140 err(1, "ifa_load: strdup");
1141 n->next = NULL;
1142 n->tail = n;
1143 if (h == NULL)
1144 h = n;
1145 else {
1146 h->tail->next = n;
1147 h->tail = n;
1148 }
1149 }
1150
1151 iftab = h;
1152 freeifaddrs(ifap);
1153}
1154
1155struct node_host *
| 1003}
1004
1005void
1006print_tabledef(const char *name, int flags, int addrs,
1007 struct node_tinithead *nodes)
1008{
1009 struct node_tinit *ti, *nti;
1010 struct node_host *h;
1011
1012 printf("table <%s>", name);
1013 if (flags & PFR_TFLAG_CONST)
1014 printf(" const");
1015 if (flags & PFR_TFLAG_PERSIST)
1016 printf(" persist");
1017 SIMPLEQ_FOREACH(ti, nodes, entries) {
1018 if (ti->file) {
1019 printf(" file \"%s\"", ti->file);
1020 continue;
1021 }
1022 printf(" {");
1023 for (;;) {
1024 for (h = ti->host; h != NULL; h = h->next) {
1025 printf(h->not ? " !" : " ");
1026 print_addr(&h->addr, h->af, 0);
1027 }
1028 nti = SIMPLEQ_NEXT(ti, entries);
1029 if (nti != NULL && nti->file == NULL)
1030 ti = nti; /* merge lists */
1031 else
1032 break;
1033 }
1034 printf(" }");
1035 }
1036 if (addrs && SIMPLEQ_EMPTY(nodes))
1037 printf(" { }");
1038 printf("\n");
1039}
1040
1041int
1042parse_flags(char *s)
1043{
1044 char *p, *q;
1045 u_int8_t f = 0;
1046
1047 for (p = s; *p; p++) {
1048 if ((q = strchr(tcpflags, *p)) == NULL)
1049 return -1;
1050 else
1051 f |= 1 << (q - tcpflags);
1052 }
1053 return (f ? f : PF_TH_ALL);
1054}
1055
1056void
1057set_ipmask(struct node_host *h, u_int8_t b)
1058{
1059 struct pf_addr *m, *n;
1060 int i, j = 0;
1061
1062 m = &h->addr.v.a.mask;
1063 memset(m, 0, sizeof(*m));
1064
1065 while (b >= 32) {
1066 m->addr32[j++] = 0xffffffff;
1067 b -= 32;
1068 }
1069 for (i = 31; i > 31-b; --i)
1070 m->addr32[j] |= (1 << i);
1071 if (b)
1072 m->addr32[j] = htonl(m->addr32[j]);
1073
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];
1079}
1080
1081int
1082check_netmask(struct node_host *h, sa_family_t af)
1083{
1084 struct node_host *n = NULL;
1085 struct pf_addr *m;
1086
1087 for (n = h; n != NULL; n = n->next) {
1088 if (h->addr.type == PF_ADDR_TABLE)
1089 continue;
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)
1094 set_ipmask(n, 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));
1100 return (1);
1101 }
1102 }
1103 return (0);
1104}
1105
1106/* interface lookup routines */
1107
1108struct node_host *iftab;
1109
1110void
1111ifa_load(void)
1112{
1113 struct ifaddrs *ifap, *ifa;
1114 struct node_host *n = NULL, *h = NULL;
1115
1116 if (getifaddrs(&ifap) < 0)
1117 err(1, "getifaddrs");
1118
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))
1123 continue;
1124 n = calloc(1, sizeof(struct node_host));
1125 if (n == NULL)
1126 err(1, "address: calloc");
1127 n->af = ifa->ifa_addr->sa_family;
1128 n->ifa_flags = ifa->ifa_flags;
1129#ifdef __KAME__
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 ==
1134 0) {
1135 struct sockaddr_in6 *sin6;
1136
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;
1142 }
1143#endif
1144 n->ifindex = 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;
1177 }
1178 if ((n->ifname = strdup(ifa->ifa_name)) == NULL)
1179 err(1, "ifa_load: strdup");
1180 n->next = NULL;
1181 n->tail = n;
1182 if (h == NULL)
1183 h = n;
1184 else {
1185 h->tail->next = n;
1186 h->tail = n;
1187 }
1188 }
1189
1190 iftab = h;
1191 freeifaddrs(ifap);
1192}
1193
1194struct node_host *
|
1156ifa_exists(const char *ifa_name, int group_ok)
| 1195ifa_exists(const char *ifa_name)
|
1157{
1158 struct node_host *n;
| 1196{
1197 struct node_host *n;
|
| 1198 struct ifgroupreq ifgr;
1199 int s;
|
1159
1160 if (iftab == NULL)
1161 ifa_load();
1162
| 1200
1201 if (iftab == NULL)
1202 ifa_load();
1203
|
| 1204 /* check wether this is a group */
1205 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1206 err(1, "socket");
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)
1212 err(1, "calloc");
1213 if ((n->ifname = strdup(ifa_name)) == NULL)
1214 err(1, "strdup");
1215 close(s);
1216 return (n);
1217 }
1218 close(s);
1219
|
1163 for (n = iftab; n; n = n->next) {
1164 if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ))
1165 return (n);
1166 }
1167
1168 return (NULL);
1169}
1170
1171struct node_host *
| 1220 for (n = iftab; n; n = n->next) {
1221 if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ))
1222 return (n);
1223 }
1224
1225 return (NULL);
1226}
1227
1228struct node_host *
|
| 1229ifa_grouplookup(const char *ifa_name, int flags)
1230{
1231 struct ifg_req *ifg;
1232 struct ifgroupreq ifgr;
1233 int s, len;
1234 struct node_host *n, *h = NULL;
1235
1236 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1237 err(1, "socket");
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) {
1241 close(s);
1242 return (NULL);
1243 }
1244
1245 len = ifgr.ifgr_len;
1246 if ((ifgr.ifgr_groups = calloc(1, len)) == NULL)
1247 err(1, "calloc");
1248 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1)
1249 err(1, "SIOCGIFGMEMB");
1250
1251 for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(struct ifg_req);
1252 ifg++) {
1253 len -= sizeof(struct ifg_req);
1254 if ((n = ifa_lookup(ifg->ifgrq_member, flags)) == NULL)
1255 continue;
1256 if (h == NULL)
1257 h = n;
1258 else {
1259 h->tail->next = n;
1260 h->tail = n->tail;
1261 }
1262 }
1263 free(ifgr.ifgr_groups);
1264 close(s);
1265
1266 return (h);
1267}
1268
1269struct node_host *
|
1172ifa_lookup(const char *ifa_name, int flags)
1173{
1174 struct node_host *p = NULL, *h = NULL, *n = NULL;
1175 int got4 = 0, got6 = 0;
1176 const char *last_if = NULL;
1177
| 1270ifa_lookup(const char *ifa_name, int flags)
1271{
1272 struct node_host *p = NULL, *h = NULL, *n = NULL;
1273 int got4 = 0, got6 = 0;
1274 const char *last_if = NULL;
1275
|
| 1276 if ((h = ifa_grouplookup(ifa_name, flags)) != NULL)
1277 return (h);
1278
|
1178 if (!strncmp(ifa_name, "self", IFNAMSIZ))
1179 ifa_name = NULL;
1180
1181 if (iftab == NULL)
1182 ifa_load();
1183
1184 for (p = iftab; p; p = p->next) {
1185 if (ifa_skip_if(ifa_name, p))
1186 continue;
1187 if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET)
1188 continue;
1189 if ((flags & PFI_AFLAG_BROADCAST) &&
1190 !(p->ifa_flags & IFF_BROADCAST))
1191 continue;
1192 if ((flags & PFI_AFLAG_PEER) &&
1193 !(p->ifa_flags & IFF_POINTOPOINT))
1194 continue;
1195 if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0)
1196 continue;
1197 if (last_if == NULL || strcmp(last_if, p->ifname))
1198 got4 = got6 = 0;
1199 last_if = p->ifname;
1200 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4)
1201 continue;
1202 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6)
1203 continue;
1204 if (p->af == AF_INET)
1205 got4 = 1;
1206 else
1207 got6 = 1;
1208 n = calloc(1, sizeof(struct node_host));
1209 if (n == NULL)
1210 err(1, "address: calloc");
1211 n->af = p->af;
1212 if (flags & PFI_AFLAG_BROADCAST)
1213 memcpy(&n->addr.v.a.addr, &p->bcast,
1214 sizeof(struct pf_addr));
1215 else if (flags & PFI_AFLAG_PEER)
1216 memcpy(&n->addr.v.a.addr, &p->peer,
1217 sizeof(struct pf_addr));
1218 else
1219 memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr,
1220 sizeof(struct pf_addr));
1221 if (flags & PFI_AFLAG_NETWORK)
1222 set_ipmask(n, unmask(&p->addr.v.a.mask, n->af));
1223 else {
1224 if (n->af == AF_INET) {
1225 if (p->ifa_flags & IFF_LOOPBACK &&
1226 p->ifa_flags & IFF_LINK1)
1227 memcpy(&n->addr.v.a.mask,
1228 &p->addr.v.a.mask,
1229 sizeof(struct pf_addr));
1230 else
1231 set_ipmask(n, 32);
1232 } else
1233 set_ipmask(n, 128);
1234 }
1235 n->ifindex = p->ifindex;
1236
1237 n->next = NULL;
1238 n->tail = n;
1239 if (h == NULL)
1240 h = n;
1241 else {
1242 h->tail->next = n;
1243 h->tail = n;
1244 }
1245 }
1246 return (h);
1247}
1248
1249int
1250ifa_skip_if(const char *filter, struct node_host *p)
1251{
1252 int n;
1253
1254 if (p->af != AF_INET && p->af != AF_INET6)
1255 return (1);
1256 if (filter == NULL || !*filter)
1257 return (0);
1258 if (!strcmp(p->ifname, filter))
1259 return (0); /* exact match */
1260 n = strlen(filter);
1261 if (n < 1 || n >= IFNAMSIZ)
1262 return (1); /* sanity check */
1263 if (filter[n-1] >= '0' && filter[n-1] <= '9')
1264 return (1); /* only do exact match in that case */
1265 if (strncmp(p->ifname, filter, n))
1266 return (1); /* prefix doesn't match */
1267 return (p->ifname[n] < '0' || p->ifname[n] > '9');
1268}
1269
1270
1271struct node_host *
1272host(const char *s)
1273{
1274 struct node_host *h = NULL;
1275 int mask, v4mask, v6mask, cont = 1;
1276 char *p, *q, *ps;
1277
1278 if ((p = strrchr(s, '/')) != NULL) {
1279 mask = strtol(p+1, &q, 0);
1280 if (!q || *q || mask > 128 || q == (p+1)) {
1281 fprintf(stderr, "invalid netmask '%s'\n", p);
1282 return (NULL);
1283 }
1284 if ((ps = malloc(strlen(s) - strlen(p) + 1)) == NULL)
1285 err(1, "host: malloc");
1286 strlcpy(ps, s, strlen(s) - strlen(p) + 1);
1287 v4mask = v6mask = mask;
1288 } else {
1289 if ((ps = strdup(s)) == NULL)
1290 err(1, "host: strdup");
1291 v4mask = 32;
1292 v6mask = 128;
1293 mask = -1;
1294 }
1295
1296 /* interface with this name exists? */
1297 if (cont && (h = host_if(ps, mask)) != NULL)
1298 cont = 0;
1299
1300 /* IPv4 address? */
1301 if (cont && (h = host_v4(s, mask)) != NULL)
1302 cont = 0;
1303
1304 /* IPv6 address? */
1305 if (cont && (h = host_v6(ps, v6mask)) != NULL)
1306 cont = 0;
1307
1308 /* dns lookup */
1309 if (cont && (h = host_dns(ps, v4mask, v6mask)) != NULL)
1310 cont = 0;
1311 free(ps);
1312
1313 if (h == NULL || cont == 1) {
1314 fprintf(stderr, "no IP address found for %s\n", s);
1315 return (NULL);
1316 }
1317 return (h);
1318}
1319
1320struct node_host *
1321host_if(const char *s, int mask)
1322{
1323 struct node_host *n, *h = NULL;
1324 char *p, *ps;
1325 int flags = 0;
1326
1327 if ((ps = strdup(s)) == NULL)
1328 err(1, "host_if: strdup");
1329 while ((p = strrchr(ps, ':')) != NULL) {
1330 if (!strcmp(p+1, "network"))
1331 flags |= PFI_AFLAG_NETWORK;
1332 else if (!strcmp(p+1, "broadcast"))
1333 flags |= PFI_AFLAG_BROADCAST;
1334 else if (!strcmp(p+1, "peer"))
1335 flags |= PFI_AFLAG_PEER;
1336 else if (!strcmp(p+1, "0"))
1337 flags |= PFI_AFLAG_NOALIAS;
1338 else {
1339 free(ps);
1340 return (NULL);
1341 }
1342 *p = '\0';
1343 }
1344 if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */
1345 fprintf(stderr, "illegal combination of interface modifiers\n");
1346 free(ps);
1347 return (NULL);
1348 }
1349 if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) {
1350 fprintf(stderr, "network or broadcast lookup, but "
1351 "extra netmask given\n");
1352 free(ps);
1353 return (NULL);
1354 }
| 1279 if (!strncmp(ifa_name, "self", IFNAMSIZ))
1280 ifa_name = NULL;
1281
1282 if (iftab == NULL)
1283 ifa_load();
1284
1285 for (p = iftab; p; p = p->next) {
1286 if (ifa_skip_if(ifa_name, p))
1287 continue;
1288 if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET)
1289 continue;
1290 if ((flags & PFI_AFLAG_BROADCAST) &&
1291 !(p->ifa_flags & IFF_BROADCAST))
1292 continue;
1293 if ((flags & PFI_AFLAG_PEER) &&
1294 !(p->ifa_flags & IFF_POINTOPOINT))
1295 continue;
1296 if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0)
1297 continue;
1298 if (last_if == NULL || strcmp(last_if, p->ifname))
1299 got4 = got6 = 0;
1300 last_if = p->ifname;
1301 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4)
1302 continue;
1303 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6)
1304 continue;
1305 if (p->af == AF_INET)
1306 got4 = 1;
1307 else
1308 got6 = 1;
1309 n = calloc(1, sizeof(struct node_host));
1310 if (n == NULL)
1311 err(1, "address: calloc");
1312 n->af = p->af;
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));
1319 else
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));
1324 else {
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,
1329 &p->addr.v.a.mask,
1330 sizeof(struct pf_addr));
1331 else
1332 set_ipmask(n, 32);
1333 } else
1334 set_ipmask(n, 128);
1335 }
1336 n->ifindex = p->ifindex;
1337
1338 n->next = NULL;
1339 n->tail = n;
1340 if (h == NULL)
1341 h = n;
1342 else {
1343 h->tail->next = n;
1344 h->tail = n;
1345 }
1346 }
1347 return (h);
1348}
1349
1350int
1351ifa_skip_if(const char *filter, struct node_host *p)
1352{
1353 int n;
1354
1355 if (p->af != AF_INET && p->af != AF_INET6)
1356 return (1);
1357 if (filter == NULL || !*filter)
1358 return (0);
1359 if (!strcmp(p->ifname, filter))
1360 return (0); /* exact match */
1361 n = strlen(filter);
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');
1369}
1370
1371
1372struct node_host *
1373host(const char *s)
1374{
1375 struct node_host *h = NULL;
1376 int mask, v4mask, v6mask, cont = 1;
1377 char *p, *q, *ps;
1378
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);
1383 return (NULL);
1384 }
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;
1389 } else {
1390 if ((ps = strdup(s)) == NULL)
1391 err(1, "host: strdup");
1392 v4mask = 32;
1393 v6mask = 128;
1394 mask = -1;
1395 }
1396
1397 /* interface with this name exists? */
1398 if (cont && (h = host_if(ps, mask)) != NULL)
1399 cont = 0;
1400
1401 /* IPv4 address? */
1402 if (cont && (h = host_v4(s, mask)) != NULL)
1403 cont = 0;
1404
1405 /* IPv6 address? */
1406 if (cont && (h = host_v6(ps, v6mask)) != NULL)
1407 cont = 0;
1408
1409 /* dns lookup */
1410 if (cont && (h = host_dns(ps, v4mask, v6mask)) != NULL)
1411 cont = 0;
1412 free(ps);
1413
1414 if (h == NULL || cont == 1) {
1415 fprintf(stderr, "no IP address found for %s\n", s);
1416 return (NULL);
1417 }
1418 return (h);
1419}
1420
1421struct node_host *
1422host_if(const char *s, int mask)
1423{
1424 struct node_host *n, *h = NULL;
1425 char *p, *ps;
1426 int flags = 0;
1427
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;
1439 else {
1440 free(ps);
1441 return (NULL);
1442 }
1443 *p = '\0';
1444 }
1445 if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */
1446 fprintf(stderr, "illegal combination of interface modifiers\n");
1447 free(ps);
1448 return (NULL);
1449 }
1450 if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) {
1451 fprintf(stderr, "network or broadcast lookup, but "
1452 "extra netmask given\n");
1453 free(ps);
1454 return (NULL);
1455 }
|
1355 if (ifa_exists(ps, 1) || !strncmp(ps, "self", IFNAMSIZ)) {
| 1456 if (ifa_exists(ps) || !strncmp(ps, "self", IFNAMSIZ)) {
|
1356 /* interface with this name exists */
1357 h = ifa_lookup(ps, flags);
1358 for (n = h; n != NULL && mask > -1; n = n->next)
1359 set_ipmask(n, mask);
1360 }
1361
1362 free(ps);
1363 return (h);
1364}
1365
1366struct node_host *
1367host_v4(const char *s, int mask)
1368{
1369 struct node_host *h = NULL;
1370 struct in_addr ina;
1371 int bits = 32;
1372
1373 memset(&ina, 0, sizeof(struct in_addr));
1374 if (strrchr(s, '/') != NULL) {
1375 if ((bits = inet_net_pton(AF_INET, s, &ina, sizeof(ina))) == -1)
1376 return (NULL);
1377 } else {
1378 if (inet_pton(AF_INET, s, &ina) != 1)
1379 return (NULL);
1380 }
1381
1382 h = calloc(1, sizeof(struct node_host));
1383 if (h == NULL)
1384 err(1, "address: calloc");
1385 h->ifname = NULL;
1386 h->af = AF_INET;
1387 h->addr.v.a.addr.addr32[0] = ina.s_addr;
1388 set_ipmask(h, bits);
1389 h->next = NULL;
1390 h->tail = h;
1391
1392 return (h);
1393}
1394
1395struct node_host *
1396host_v6(const char *s, int mask)
1397{
1398 struct addrinfo hints, *res;
1399 struct node_host *h = NULL;
1400
1401 memset(&hints, 0, sizeof(hints));
1402 hints.ai_family = AF_INET6;
1403 hints.ai_socktype = SOCK_DGRAM; /*dummy*/
1404 hints.ai_flags = AI_NUMERICHOST;
1405 if (getaddrinfo(s, "0", &hints, &res) == 0) {
1406 h = calloc(1, sizeof(struct node_host));
1407 if (h == NULL)
1408 err(1, "address: calloc");
1409 h->ifname = NULL;
1410 h->af = AF_INET6;
1411 memcpy(&h->addr.v.a.addr,
1412 &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr,
1413 sizeof(h->addr.v.a.addr));
1414 h->ifindex =
1415 ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id;
1416 set_ipmask(h, mask);
1417 freeaddrinfo(res);
1418 h->next = NULL;
1419 h->tail = h;
1420 }
1421
1422 return (h);
1423}
1424
1425struct node_host *
1426host_dns(const char *s, int v4mask, int v6mask)
1427{
1428 struct addrinfo hints, *res0, *res;
1429 struct node_host *n, *h = NULL;
1430 int error, noalias = 0;
1431 int got4 = 0, got6 = 0;
1432 char *p, *ps;
1433
1434 if ((ps = strdup(s)) == NULL)
1435 err(1, "host_dns: strdup");
1436 if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) {
1437 noalias = 1;
1438 *p = '\0';
1439 }
1440 memset(&hints, 0, sizeof(hints));
1441 hints.ai_family = PF_UNSPEC;
1442 hints.ai_socktype = SOCK_STREAM; /* DUMMY */
1443 error = getaddrinfo(ps, NULL, &hints, &res0);
1444 if (error) {
1445 free(ps);
1446 return (h);
1447 }
1448
1449 for (res = res0; res; res = res->ai_next) {
1450 if (res->ai_family != AF_INET &&
1451 res->ai_family != AF_INET6)
1452 continue;
1453 if (noalias) {
1454 if (res->ai_family == AF_INET) {
1455 if (got4)
1456 continue;
1457 got4 = 1;
1458 } else {
1459 if (got6)
1460 continue;
1461 got6 = 1;
1462 }
1463 }
1464 n = calloc(1, sizeof(struct node_host));
1465 if (n == NULL)
1466 err(1, "host_dns: calloc");
1467 n->ifname = NULL;
1468 n->af = res->ai_family;
1469 if (res->ai_family == AF_INET) {
1470 memcpy(&n->addr.v.a.addr,
1471 &((struct sockaddr_in *)
1472 res->ai_addr)->sin_addr.s_addr,
1473 sizeof(struct in_addr));
1474 set_ipmask(n, v4mask);
1475 } else {
1476 memcpy(&n->addr.v.a.addr,
1477 &((struct sockaddr_in6 *)
1478 res->ai_addr)->sin6_addr.s6_addr,
1479 sizeof(struct in6_addr));
1480 n->ifindex =
1481 ((struct sockaddr_in6 *)
1482 res->ai_addr)->sin6_scope_id;
1483 set_ipmask(n, v6mask);
1484 }
1485 n->next = NULL;
1486 n->tail = n;
1487 if (h == NULL)
1488 h = n;
1489 else {
1490 h->tail->next = n;
1491 h->tail = n;
1492 }
1493 }
1494 freeaddrinfo(res0);
1495 free(ps);
1496
1497 return (h);
1498}
1499
1500/*
1501 * convert a hostname to a list of addresses and put them in the given buffer.
1502 * test:
1503 * if set to 1, only simple addresses are accepted (no netblock, no "!").
1504 */
1505int
1506append_addr(struct pfr_buffer *b, char *s, int test)
1507{
1508 char *r;
1509 struct node_host *h, *n;
1510 int rv, not = 0;
1511
1512 for (r = s; *r == '!'; r++)
1513 not = !not;
1514 if ((n = host(r)) == NULL) {
1515 errno = 0;
1516 return (-1);
1517 }
1518 rv = append_addr_host(b, n, test, not);
1519 do {
1520 h = n;
1521 n = n->next;
1522 free(h);
1523 } while (n != NULL);
1524 return (rv);
1525}
1526
1527/*
1528 * same as previous function, but with a pre-parsed input and the ability
1529 * to "negate" the result. Does not free the node_host list.
1530 * not:
1531 * setting it to 1 is equivalent to adding "!" in front of parameter s.
1532 */
1533int
1534append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not)
1535{
1536 int bits;
1537 struct pfr_addr addr;
1538
1539 do {
1540 bzero(&addr, sizeof(addr));
1541 addr.pfra_not = n->not ^ not;
1542 addr.pfra_af = n->af;
1543 addr.pfra_net = unmask(&n->addr.v.a.mask, n->af);
1544 switch (n->af) {
1545 case AF_INET:
1546 addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0];
1547 bits = 32;
1548 break;
1549 case AF_INET6:
1550 memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6,
1551 sizeof(struct in6_addr));
1552 bits = 128;
1553 break;
1554 default:
1555 errno = EINVAL;
1556 return (-1);
1557 }
1558 if ((test && (not || addr.pfra_net != bits)) ||
1559 addr.pfra_net > bits) {
1560 errno = EINVAL;
1561 return (-1);
1562 }
1563 if (pfr_buf_add(b, &addr))
1564 return (-1);
1565 } while ((n = n->next) != NULL);
1566
1567 return (0);
1568}
1569
1570int
1571pfctl_add_trans(struct pfr_buffer *buf, int rs_num, const char *anchor)
1572{
1573 struct pfioc_trans_e trans;
1574
1575 bzero(&trans, sizeof(trans));
1576 trans.rs_num = rs_num;
1577 if (strlcpy(trans.anchor, anchor,
1578 sizeof(trans.anchor)) >= sizeof(trans.anchor))
1579 errx(1, "pfctl_add_trans: strlcpy");
1580
1581 return pfr_buf_add(buf, &trans);
1582}
1583
1584u_int32_t
1585pfctl_get_ticket(struct pfr_buffer *buf, int rs_num, const char *anchor)
1586{
1587 struct pfioc_trans_e *p;
1588
1589 PFRB_FOREACH(p, buf)
1590 if (rs_num == p->rs_num && !strcmp(anchor, p->anchor))
1591 return (p->ticket);
1592 errx(1, "pfctl_get_ticket: assertion failed");
1593}
1594
1595int
1596pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from)
1597{
1598 struct pfioc_trans trans;
1599
1600 bzero(&trans, sizeof(trans));
1601 trans.size = buf->pfrb_size - from;
1602 trans.esize = sizeof(struct pfioc_trans_e);
1603 trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from;
1604 return ioctl(dev, cmd, &trans);
1605}
| 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);
1461 }
1462
1463 free(ps);
1464 return (h);
1465}
1466
1467struct node_host *
1468host_v4(const char *s, int mask)
1469{
1470 struct node_host *h = NULL;
1471 struct in_addr ina;
1472 int bits = 32;
1473
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)
1477 return (NULL);
1478 } else {
1479 if (inet_pton(AF_INET, s, &ina) != 1)
1480 return (NULL);
1481 }
1482
1483 h = calloc(1, sizeof(struct node_host));
1484 if (h == NULL)
1485 err(1, "address: calloc");
1486 h->ifname = NULL;
1487 h->af = AF_INET;
1488 h->addr.v.a.addr.addr32[0] = ina.s_addr;
1489 set_ipmask(h, bits);
1490 h->next = NULL;
1491 h->tail = h;
1492
1493 return (h);
1494}
1495
1496struct node_host *
1497host_v6(const char *s, int mask)
1498{
1499 struct addrinfo hints, *res;
1500 struct node_host *h = NULL;
1501
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));
1508 if (h == NULL)
1509 err(1, "address: calloc");
1510 h->ifname = NULL;
1511 h->af = AF_INET6;
1512 memcpy(&h->addr.v.a.addr,
1513 &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr,
1514 sizeof(h->addr.v.a.addr));
1515 h->ifindex =
1516 ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id;
1517 set_ipmask(h, mask);
1518 freeaddrinfo(res);
1519 h->next = NULL;
1520 h->tail = h;
1521 }
1522
1523 return (h);
1524}
1525
1526struct node_host *
1527host_dns(const char *s, int v4mask, int v6mask)
1528{
1529 struct addrinfo hints, *res0, *res;
1530 struct node_host *n, *h = NULL;
1531 int error, noalias = 0;
1532 int got4 = 0, got6 = 0;
1533 char *p, *ps;
1534
1535 if ((ps = strdup(s)) == NULL)
1536 err(1, "host_dns: strdup");
1537 if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) {
1538 noalias = 1;
1539 *p = '\0';
1540 }
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);
1545 if (error) {
1546 free(ps);
1547 return (h);
1548 }
1549
1550 for (res = res0; res; res = res->ai_next) {
1551 if (res->ai_family != AF_INET &&
1552 res->ai_family != AF_INET6)
1553 continue;
1554 if (noalias) {
1555 if (res->ai_family == AF_INET) {
1556 if (got4)
1557 continue;
1558 got4 = 1;
1559 } else {
1560 if (got6)
1561 continue;
1562 got6 = 1;
1563 }
1564 }
1565 n = calloc(1, sizeof(struct node_host));
1566 if (n == NULL)
1567 err(1, "host_dns: calloc");
1568 n->ifname = NULL;
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);
1576 } else {
1577 memcpy(&n->addr.v.a.addr,
1578 &((struct sockaddr_in6 *)
1579 res->ai_addr)->sin6_addr.s6_addr,
1580 sizeof(struct in6_addr));
1581 n->ifindex =
1582 ((struct sockaddr_in6 *)
1583 res->ai_addr)->sin6_scope_id;
1584 set_ipmask(n, v6mask);
1585 }
1586 n->next = NULL;
1587 n->tail = n;
1588 if (h == NULL)
1589 h = n;
1590 else {
1591 h->tail->next = n;
1592 h->tail = n;
1593 }
1594 }
1595 freeaddrinfo(res0);
1596 free(ps);
1597
1598 return (h);
1599}
1600
1601/*
1602 * convert a hostname to a list of addresses and put them in the given buffer.
1603 * test:
1604 * if set to 1, only simple addresses are accepted (no netblock, no "!").
1605 */
1606int
1607append_addr(struct pfr_buffer *b, char *s, int test)
1608{
1609 char *r;
1610 struct node_host *h, *n;
1611 int rv, not = 0;
1612
1613 for (r = s; *r == '!'; r++)
1614 not = !not;
1615 if ((n = host(r)) == NULL) {
1616 errno = 0;
1617 return (-1);
1618 }
1619 rv = append_addr_host(b, n, test, not);
1620 do {
1621 h = n;
1622 n = n->next;
1623 free(h);
1624 } while (n != NULL);
1625 return (rv);
1626}
1627
1628/*
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.
1631 * not:
1632 * setting it to 1 is equivalent to adding "!" in front of parameter s.
1633 */
1634int
1635append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not)
1636{
1637 int bits;
1638 struct pfr_addr addr;
1639
1640 do {
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);
1645 switch (n->af) {
1646 case AF_INET:
1647 addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0];
1648 bits = 32;
1649 break;
1650 case AF_INET6:
1651 memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6,
1652 sizeof(struct in6_addr));
1653 bits = 128;
1654 break;
1655 default:
1656 errno = EINVAL;
1657 return (-1);
1658 }
1659 if ((test && (not || addr.pfra_net != bits)) ||
1660 addr.pfra_net > bits) {
1661 errno = EINVAL;
1662 return (-1);
1663 }
1664 if (pfr_buf_add(b, &addr))
1665 return (-1);
1666 } while ((n = n->next) != NULL);
1667
1668 return (0);
1669}
1670
1671int
1672pfctl_add_trans(struct pfr_buffer *buf, int rs_num, const char *anchor)
1673{
1674 struct pfioc_trans_e trans;
1675
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");
1681
1682 return pfr_buf_add(buf, &trans);
1683}
1684
1685u_int32_t
1686pfctl_get_ticket(struct pfr_buffer *buf, int rs_num, const char *anchor)
1687{
1688 struct pfioc_trans_e *p;
1689
1690 PFRB_FOREACH(p, buf)
1691 if (rs_num == p->rs_num && !strcmp(anchor, p->anchor))
1692 return (p->ticket);
1693 errx(1, "pfctl_get_ticket: assertion failed");
1694}
1695
1696int
1697pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from)
1698{
1699 struct pfioc_trans trans;
1700
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);
1706}
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