1 /* $OpenBSD: pf_print_state.c,v 1.44 2007/03/01 17:20:53 deraadt Exp $ */
4 * Copyright (c) 2001 Daniel Hartmeier
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * - Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials provided
16 * with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <sys/types.h>
37 #include <sys/socket.h>
38 #include <sys/endian.h>
41 #include <netinet/tcp_fsm.h>
42 #include <net/pfvar.h>
43 #include <arpa/inet.h>
49 #include "pfctl_parser.h"
52 void print_name(struct pf_addr *, sa_family_t);
55 print_addr(struct pf_addr_wrap *addr, sa_family_t af, int verbose)
59 printf("(%s", addr->v.ifname);
60 if (addr->iflags & PFI_AFLAG_NETWORK)
62 if (addr->iflags & PFI_AFLAG_BROADCAST)
64 if (addr->iflags & PFI_AFLAG_PEER)
66 if (addr->iflags & PFI_AFLAG_NOALIAS)
69 if (addr->p.dyncnt <= 0)
72 printf(":%d", addr->p.dyncnt);
78 if (addr->p.tblcnt == -1)
79 printf("<%s:*>", addr->v.tblname);
81 printf("<%s:%d>", addr->v.tblname,
84 printf("<%s>", addr->v.tblname);
86 case PF_ADDR_ADDRMASK:
87 if (PF_AZERO(&addr->v.a.addr, AF_INET6) &&
88 PF_AZERO(&addr->v.a.mask, AF_INET6))
93 if (inet_ntop(af, &addr->v.a.addr, buf,
100 case PF_ADDR_NOROUTE:
103 case PF_ADDR_URPFFAILED:
104 printf("urpf-failed");
106 case PF_ADDR_RTLABEL:
107 printf("route \"%s\"", addr->v.rtlabelname);
114 /* mask if not _both_ address and mask are zero */
115 if (!(PF_AZERO(&addr->v.a.addr, AF_INET6) &&
116 PF_AZERO(&addr->v.a.mask, AF_INET6))) {
117 int bits = unmask(&addr->v.a.mask, af);
119 if (bits != (af == AF_INET ? 32 : 128))
125 print_name(struct pf_addr *addr, sa_family_t af)
127 char host[NI_MAXHOST];
129 strlcpy(host, "?", sizeof(host));
132 struct sockaddr_in sin;
134 memset(&sin, 0, sizeof(sin));
135 sin.sin_len = sizeof(sin);
136 sin.sin_family = AF_INET;
137 sin.sin_addr = addr->v4;
138 getnameinfo((struct sockaddr *)&sin, sin.sin_len,
139 host, sizeof(host), NULL, 0, NI_NOFQDN);
143 struct sockaddr_in6 sin6;
145 memset(&sin6, 0, sizeof(sin6));
146 sin6.sin6_len = sizeof(sin6);
147 sin6.sin6_family = AF_INET6;
148 sin6.sin6_addr = addr->v6;
149 getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
150 host, sizeof(host), NULL, 0, NI_NOFQDN);
158 print_host(struct pf_state_host *h, sa_family_t af, int opts)
160 u_int16_t p = ntohs(h->port);
162 if (opts & PF_OPT_USEDNS)
163 print_name(&h->addr, af);
165 struct pf_addr_wrap aw;
167 memset(&aw, 0, sizeof(aw));
168 aw.v.a.addr = h->addr;
170 aw.v.a.mask.addr32[0] = 0xffffffff;
172 memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask));
175 print_addr(&aw, af, opts & PF_OPT_VERBOSE2);
187 print_seq(struct pf_state_peer *p)
190 printf("[%u + %u](+%u)", p->seqlo, p->seqhi - p->seqlo,
193 printf("[%u + %u]", p->seqlo, p->seqhi - p->seqlo);
197 print_state(struct pf_state *s, int opts)
199 struct pf_state_peer *src, *dst;
203 if (s->direction == PF_OUT) {
210 printf("%s ", s->u.ifname);
211 if ((p = getprotobynumber(s->proto)) != NULL)
212 printf("%s ", p->p_name);
214 printf("%u ", s->proto);
215 if (PF_ANEQ(&s->lan.addr, &s->gwy.addr, s->af) ||
216 (s->lan.port != s->gwy.port)) {
217 print_host(&s->lan, s->af, opts);
218 if (s->direction == PF_OUT)
223 print_host(&s->gwy, s->af, opts);
224 if (s->direction == PF_OUT)
228 print_host(&s->ext, s->af, opts);
231 if (s->proto == IPPROTO_TCP) {
232 if (src->state <= TCPS_TIME_WAIT &&
233 dst->state <= TCPS_TIME_WAIT)
234 printf(" %s:%s\n", tcpstates[src->state],
235 tcpstates[dst->state]);
236 else if (src->state == PF_TCPS_PROXY_SRC ||
237 dst->state == PF_TCPS_PROXY_SRC)
238 printf(" PROXY:SRC\n");
239 else if (src->state == PF_TCPS_PROXY_DST ||
240 dst->state == PF_TCPS_PROXY_DST)
241 printf(" PROXY:DST\n");
243 printf(" <BAD STATE LEVELS %u:%u>\n",
244 src->state, dst->state);
245 if (opts & PF_OPT_VERBOSE) {
248 if (src->wscale && dst->wscale)
250 src->wscale & PF_WSCALE_MASK);
253 if (src->wscale && dst->wscale)
255 dst->wscale & PF_WSCALE_MASK);
258 } else if (s->proto == IPPROTO_UDP && src->state < PFUDPS_NSTATES &&
259 dst->state < PFUDPS_NSTATES) {
260 const char *states[] = PFUDPS_NAMES;
262 printf(" %s:%s\n", states[src->state], states[dst->state]);
263 } else if (s->proto != IPPROTO_ICMP && src->state < PFOTHERS_NSTATES &&
264 dst->state < PFOTHERS_NSTATES) {
265 /* XXX ICMP doesn't really have state levels */
266 const char *states[] = PFOTHERS_NAMES;
268 printf(" %s:%s\n", states[src->state], states[dst->state]);
270 printf(" %u:%u\n", src->state, dst->state);
273 if (opts & PF_OPT_VERBOSE) {
274 sec = s->creation % 60;
276 min = s->creation % 60;
278 printf(" age %.2u:%.2u:%.2u", s->creation, min, sec);
279 sec = s->expire % 60;
281 min = s->expire % 60;
283 printf(", expires in %.2u:%.2u:%.2u", s->expire, min, sec);
284 printf(", %llu:%llu pkts, %llu:%llu bytes",
286 (unsigned long long)s->packets[0],
287 (unsigned long long)s->packets[1],
288 (unsigned long long)s->bytes[0],
289 (unsigned long long)s->bytes[1]);
291 s->packets[0], s->packets[1], s->bytes[0], s->bytes[1]);
293 if (s->anchor.nr != -1)
294 printf(", anchor %u", s->anchor.nr);
295 if (s->rule.nr != -1)
296 printf(", rule %u", s->rule.nr);
297 if (s->src_node != NULL)
298 printf(", source-track");
299 if (s->nat_src_node != NULL)
300 printf(", sticky-address");
303 if (opts & PF_OPT_VERBOSE2) {
304 printf(" id: %016llx creatorid: %08x%s\n",
306 (unsigned long long)be64toh(s->id), ntohl(s->creatorid),
308 betoh64(s->id), ntohl(s->creatorid),
310 ((s->sync_flags & PFSTATE_NOSYNC) ? " (no-sync)" : ""));
315 unmask(struct pf_addr *m, sa_family_t af)
317 int i = 31, j = 0, b = 0;
320 while (j < 4 && m->addr32[j] == 0xffffffff) {
325 tmp = ntohl(m->addr32[j]);
326 for (i = 31; tmp & (1 << i); --i)