1 /* $OpenBSD: pf_print_state.c,v 1.51 2008/06/29 08:42:15 mcbride 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/types.h>
34 #include <sys/socket.h>
35 #include <sys/endian.h>
38 #include <netinet/tcp_fsm.h>
39 #include <net/pf/pfvar.h>
40 #include <arpa/inet.h>
47 #include "pfctl_parser.h"
50 void print_name(struct pf_addr *, sa_family_t);
53 print_addr(struct pf_addr_wrap *addr, sa_family_t af, int verbose)
57 printf("(%s", addr->v.ifname);
58 if (addr->iflags & PFI_AFLAG_NETWORK)
60 if (addr->iflags & PFI_AFLAG_BROADCAST)
62 if (addr->iflags & PFI_AFLAG_PEER)
64 if (addr->iflags & PFI_AFLAG_NOALIAS)
67 if (addr->p.dyncnt <= 0)
70 printf(":%d", addr->p.dyncnt);
76 if (addr->p.tblcnt == -1)
77 printf("<%s:*>", addr->v.tblname);
79 printf("<%s:%d>", addr->v.tblname,
82 printf("<%s>", addr->v.tblname);
87 if (inet_ntop(af, &addr->v.a.addr, buf, sizeof(buf)) == NULL)
91 if (inet_ntop(af, &addr->v.a.mask, buf, sizeof(buf)) == NULL)
97 case PF_ADDR_ADDRMASK:
98 if (PF_AZERO(&addr->v.a.addr, AF_INET6) &&
99 PF_AZERO(&addr->v.a.mask, AF_INET6))
104 if (inet_ntop(af, &addr->v.a.addr, buf,
105 sizeof(buf)) == NULL)
111 case PF_ADDR_NOROUTE:
114 case PF_ADDR_URPFFAILED:
115 printf("urpf-failed");
117 case PF_ADDR_RTLABEL:
118 printf("route \"%s\"", addr->v.rtlabelname);
125 /* mask if not _both_ address and mask are zero */
126 if (addr->type != PF_ADDR_RANGE &&
127 !(PF_AZERO(&addr->v.a.addr, AF_INET6) &&
128 PF_AZERO(&addr->v.a.mask, AF_INET6))) {
129 int bits = unmask(&addr->v.a.mask, af);
131 if (bits != (af == AF_INET ? 32 : 128))
137 print_name(struct pf_addr *addr, sa_family_t af)
139 char his_host[NI_MAXHOST];
141 strlcpy(his_host, "?", sizeof(his_host));
144 struct sockaddr_in sin;
146 memset(&sin, 0, sizeof(sin));
147 sin.sin_len = sizeof(sin);
148 sin.sin_family = AF_INET;
149 sin.sin_addr = addr->v4;
150 getnameinfo((struct sockaddr *)&sin, sin.sin_len,
151 his_host, sizeof(his_host), NULL, 0, NI_NOFQDN);
155 struct sockaddr_in6 sin6;
157 memset(&sin6, 0, sizeof(sin6));
158 sin6.sin6_len = sizeof(sin6);
159 sin6.sin6_family = AF_INET6;
160 sin6.sin6_addr = addr->v6;
161 getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
162 his_host, sizeof(his_host), NULL, 0, NI_NOFQDN);
166 printf("%s", his_host);
170 print_host(struct pf_addr *addr, u_int16_t port, sa_family_t af, int opts)
172 if (opts & PF_OPT_USEDNS)
173 print_name(addr, af);
175 struct pf_addr_wrap aw;
177 memset(&aw, 0, sizeof(aw));
180 aw.v.a.mask.addr32[0] = 0xffffffff;
182 memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask));
185 print_addr(&aw, af, opts & PF_OPT_VERBOSE2);
190 printf(":%u", ntohs(port));
192 printf("[%u]", ntohs(port));
197 print_seq(struct pfsync_state_peer *p)
200 printf("[%u + %u](+%u)", ntohl(p->seqlo),
201 ntohl(p->seqhi) - ntohl(p->seqlo), ntohl(p->seqdiff));
203 printf("[%u + %u]", ntohl(p->seqlo),
204 ntohl(p->seqhi) - ntohl(p->seqlo));
208 print_state(struct pfsync_state *s, int opts)
210 struct pfsync_state_peer *src, *dst;
211 struct pfsync_state_key *sk, *nk;
215 if (s->direction == PF_OUT) {
218 sk = &s->key[PF_SK_STACK];
219 nk = &s->key[PF_SK_WIRE];
220 if (s->proto == IPPROTO_ICMP || s->proto == IPPROTO_ICMPV6)
221 sk->port[0] = nk->port[0];
225 sk = &s->key[PF_SK_WIRE];
226 nk = &s->key[PF_SK_STACK];
227 if (s->proto == IPPROTO_ICMP || s->proto == IPPROTO_ICMPV6)
228 sk->port[1] = nk->port[1];
230 printf("%s ", s->ifname);
231 if ((p = getprotobynumber(s->proto)) != NULL)
232 printf("%s ", p->p_name);
234 printf("%u ", s->proto);
236 print_host(&nk->addr[1], nk->port[1], s->af, opts);
237 if (PF_ANEQ(&nk->addr[1], &sk->addr[1], s->af) ||
238 nk->port[1] != sk->port[1]) {
240 print_host(&sk->addr[1], sk->port[1], s->af, opts);
243 if (s->direction == PF_OUT)
247 print_host(&nk->addr[0], nk->port[0], s->af, opts);
248 if (PF_ANEQ(&nk->addr[0], &sk->addr[0], s->af) ||
249 nk->port[0] != sk->port[0]) {
251 print_host(&sk->addr[0], sk->port[0], s->af, opts);
256 if (s->proto == IPPROTO_TCP) {
257 if (src->state <= TCPS_TIME_WAIT &&
258 dst->state <= TCPS_TIME_WAIT)
259 printf(" %s:%s\n", tcpstates[src->state],
260 tcpstates[dst->state]);
261 else if (src->state == PF_TCPS_PROXY_SRC ||
262 dst->state == PF_TCPS_PROXY_SRC)
263 printf(" PROXY:SRC\n");
264 else if (src->state == PF_TCPS_PROXY_DST ||
265 dst->state == PF_TCPS_PROXY_DST)
266 printf(" PROXY:DST\n");
268 printf(" <BAD STATE LEVELS %u:%u>\n",
269 src->state, dst->state);
270 if (opts & PF_OPT_VERBOSE) {
273 if (src->wscale && dst->wscale)
275 src->wscale & PF_WSCALE_MASK);
278 if (src->wscale && dst->wscale)
280 dst->wscale & PF_WSCALE_MASK);
283 } else if (s->proto == IPPROTO_UDP && src->state < PFUDPS_NSTATES &&
284 dst->state < PFUDPS_NSTATES) {
285 const char *states[] = PFUDPS_NAMES;
287 printf(" %s:%s\n", states[src->state], states[dst->state]);
288 } else if (s->proto != IPPROTO_ICMP && src->state < PFOTHERS_NSTATES &&
289 dst->state < PFOTHERS_NSTATES) {
290 /* XXX ICMP doesn't really have state levels */
291 const char *states[] = PFOTHERS_NAMES;
293 printf(" %s:%s\n", states[src->state], states[dst->state]);
295 printf(" %u:%u\n", src->state, dst->state);
298 if (opts & PF_OPT_VERBOSE) {
299 u_int64_t packets[2];
301 u_int32_t creation = ntohl(s->creation);
302 u_int32_t expire = ntohl(s->expire);
304 printf(" rule %u", ntohl(s->rule));
305 if (ntohl(s->anchor) != -1)
306 printf(", anchor %u", ntohl(s->anchor));
308 if (s->state_flags & PFSTATE_ALLOWOPTS)
309 printf(" allowopts");
310 if (s->state_flags & PFSTATE_SLOPPY)
312 if (s->state_flags & PFSTATE_STACK_GLOBAL)
314 if (s->state_flags & PFSTATE_CREATEINPROG)
316 if (s->state_flags & PFSTATE_HALF_DUPLEX)
317 printf(" (TRANSLATION COLLISION)");
318 if (s->sync_flags & PFSYNC_FLAG_SRCNODE)
319 printf(" source-track");
320 if (s->sync_flags & PFSYNC_FLAG_NATSRCNODE)
321 printf(" sticky-address");
322 switch(s->pickup_mode) {
323 case PF_PICKUPS_UNSPECIFIED:
325 case PF_PICKUPS_DISABLED:
326 printf(" no-pickups");
328 case PF_PICKUPS_HASHONLY:
329 printf(" hash-only");
331 case PF_PICKUPS_ENABLED:
341 printf(" age %.2u:%.2u:%.2u", creation, min, sec);
346 printf(", expires in %.2u:%.2u:%.2u", expire, min, sec);
348 bcopy(s->packets[0], &packets[0], sizeof(u_int64_t));
349 bcopy(s->packets[1], &packets[1], sizeof(u_int64_t));
350 bcopy(s->bytes[0], &bytes[0], sizeof(u_int64_t));
351 bcopy(s->bytes[1], &bytes[1], sizeof(u_int64_t));
352 printf(", %" PRIu64 ":%" PRIu64 " pkts, %" PRIu64 ":%"
359 if (opts & PF_OPT_VERBOSE2) {
362 bcopy(&s->id, &id, sizeof(u_int64_t));
363 printf(" id: %016jx creatorid: %08x cpuid: %-3d",
364 be64toh(id), ntohl(s->creatorid), s->cpuid);
370 unmask(struct pf_addr *m, sa_family_t af __unused)
372 int i = 31, j = 0, b = 0;
375 while (j < 4 && m->addr32[j] == 0xffffffff) {
380 tmp = ntohl(m->addr32[j]);
381 for (i = 31; tmp & (1 << i); --i)