1223637Sbz/* $OpenBSD: pf_print_state.c,v 1.52 2008/08/12 16:40:18 david Exp $ */ 2126353Smlaier 3126353Smlaier/* 4126353Smlaier * Copyright (c) 2001 Daniel Hartmeier 5126353Smlaier * All rights reserved. 6126353Smlaier * 7126353Smlaier * Redistribution and use in source and binary forms, with or without 8126353Smlaier * modification, are permitted provided that the following conditions 9126353Smlaier * are met: 10126353Smlaier * 11126353Smlaier * - Redistributions of source code must retain the above copyright 12126353Smlaier * notice, this list of conditions and the following disclaimer. 13126353Smlaier * - Redistributions in binary form must reproduce the above 14126353Smlaier * copyright notice, this list of conditions and the following 15126353Smlaier * disclaimer in the documentation and/or other materials provided 16126353Smlaier * with the distribution. 17126353Smlaier * 18126353Smlaier * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19126353Smlaier * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20126353Smlaier * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21126353Smlaier * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22126353Smlaier * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23126353Smlaier * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24126353Smlaier * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25126353Smlaier * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26126353Smlaier * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27126353Smlaier * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28126353Smlaier * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29126353Smlaier * POSSIBILITY OF SUCH DAMAGE. 30126353Smlaier * 31126353Smlaier */ 32126353Smlaier 33130617Smlaier#include <sys/cdefs.h> 34130617Smlaier__FBSDID("$FreeBSD$"); 35130617Smlaier 36126353Smlaier#include <sys/types.h> 37126353Smlaier#include <sys/socket.h> 38223637Sbz#ifdef __FreeBSD__ 39130617Smlaier#include <sys/endian.h> 40223637Sbz#define betoh64 be64toh 41223637Sbz#endif 42126353Smlaier#include <net/if.h> 43126353Smlaier#define TCPSTATES 44126353Smlaier#include <netinet/tcp_fsm.h> 45126353Smlaier#include <net/pfvar.h> 46126353Smlaier#include <arpa/inet.h> 47126353Smlaier#include <netdb.h> 48126353Smlaier 49126353Smlaier#include <stdio.h> 50126353Smlaier#include <string.h> 51126353Smlaier 52126353Smlaier#include "pfctl_parser.h" 53126353Smlaier#include "pfctl.h" 54126353Smlaier 55126353Smlaiervoid print_name(struct pf_addr *, sa_family_t); 56126353Smlaier 57126353Smlaiervoid 58126353Smlaierprint_addr(struct pf_addr_wrap *addr, sa_family_t af, int verbose) 59126353Smlaier{ 60130614Smlaier switch (addr->type) { 61126353Smlaier case PF_ADDR_DYNIFTL: 62130614Smlaier printf("(%s", addr->v.ifname); 63130614Smlaier if (addr->iflags & PFI_AFLAG_NETWORK) 64130614Smlaier printf(":network"); 65130614Smlaier if (addr->iflags & PFI_AFLAG_BROADCAST) 66130614Smlaier printf(":broadcast"); 67130614Smlaier if (addr->iflags & PFI_AFLAG_PEER) 68130614Smlaier printf(":peer"); 69130614Smlaier if (addr->iflags & PFI_AFLAG_NOALIAS) 70130614Smlaier printf(":0"); 71130614Smlaier if (verbose) { 72130614Smlaier if (addr->p.dyncnt <= 0) 73130614Smlaier printf(":*"); 74130614Smlaier else 75130614Smlaier printf(":%d", addr->p.dyncnt); 76130614Smlaier } 77130614Smlaier printf(")"); 78126353Smlaier break; 79126353Smlaier case PF_ADDR_TABLE: 80126353Smlaier if (verbose) 81126353Smlaier if (addr->p.tblcnt == -1) 82126353Smlaier printf("<%s:*>", addr->v.tblname); 83126353Smlaier else 84126353Smlaier printf("<%s:%d>", addr->v.tblname, 85126353Smlaier addr->p.tblcnt); 86126353Smlaier else 87126353Smlaier printf("<%s>", addr->v.tblname); 88126353Smlaier return; 89223637Sbz case PF_ADDR_RANGE: { 90223637Sbz char buf[48]; 91223637Sbz 92223637Sbz if (inet_ntop(af, &addr->v.a.addr, buf, sizeof(buf)) == NULL) 93223637Sbz printf("?"); 94223637Sbz else 95223637Sbz printf("%s", buf); 96223637Sbz if (inet_ntop(af, &addr->v.a.mask, buf, sizeof(buf)) == NULL) 97223637Sbz printf(" - ?"); 98223637Sbz else 99223637Sbz printf(" - %s", buf); 100223637Sbz break; 101223637Sbz } 102126353Smlaier case PF_ADDR_ADDRMASK: 103126353Smlaier if (PF_AZERO(&addr->v.a.addr, AF_INET6) && 104126353Smlaier PF_AZERO(&addr->v.a.mask, AF_INET6)) 105126353Smlaier printf("any"); 106126353Smlaier else { 107126353Smlaier char buf[48]; 108126353Smlaier 109126353Smlaier if (inet_ntop(af, &addr->v.a.addr, buf, 110126353Smlaier sizeof(buf)) == NULL) 111126353Smlaier printf("?"); 112126353Smlaier else 113126353Smlaier printf("%s", buf); 114126353Smlaier } 115126353Smlaier break; 116126353Smlaier case PF_ADDR_NOROUTE: 117126353Smlaier printf("no-route"); 118126353Smlaier return; 119171172Smlaier case PF_ADDR_URPFFAILED: 120171172Smlaier printf("urpf-failed"); 121171172Smlaier return; 122145840Smlaier case PF_ADDR_RTLABEL: 123145840Smlaier printf("route \"%s\"", addr->v.rtlabelname); 124145840Smlaier return; 125126353Smlaier default: 126126353Smlaier printf("?"); 127126353Smlaier return; 128126353Smlaier } 129130614Smlaier 130130614Smlaier /* mask if not _both_ address and mask are zero */ 131223637Sbz if (addr->type != PF_ADDR_RANGE && 132223637Sbz !(PF_AZERO(&addr->v.a.addr, AF_INET6) && 133130614Smlaier PF_AZERO(&addr->v.a.mask, AF_INET6))) { 134126353Smlaier int bits = unmask(&addr->v.a.mask, af); 135126353Smlaier 136126353Smlaier if (bits != (af == AF_INET ? 32 : 128)) 137126353Smlaier printf("/%d", bits); 138126353Smlaier } 139126353Smlaier} 140126353Smlaier 141126353Smlaiervoid 142126353Smlaierprint_name(struct pf_addr *addr, sa_family_t af) 143126353Smlaier{ 144126353Smlaier char host[NI_MAXHOST]; 145126353Smlaier 146126353Smlaier strlcpy(host, "?", sizeof(host)); 147126353Smlaier switch (af) { 148126353Smlaier case AF_INET: { 149126353Smlaier struct sockaddr_in sin; 150126353Smlaier 151126353Smlaier memset(&sin, 0, sizeof(sin)); 152126353Smlaier sin.sin_len = sizeof(sin); 153126353Smlaier sin.sin_family = AF_INET; 154126353Smlaier sin.sin_addr = addr->v4; 155126353Smlaier getnameinfo((struct sockaddr *)&sin, sin.sin_len, 156126353Smlaier host, sizeof(host), NULL, 0, NI_NOFQDN); 157126353Smlaier break; 158126353Smlaier } 159126353Smlaier case AF_INET6: { 160126353Smlaier struct sockaddr_in6 sin6; 161126353Smlaier 162126353Smlaier memset(&sin6, 0, sizeof(sin6)); 163126353Smlaier sin6.sin6_len = sizeof(sin6); 164126353Smlaier sin6.sin6_family = AF_INET6; 165126353Smlaier sin6.sin6_addr = addr->v6; 166126353Smlaier getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 167126353Smlaier host, sizeof(host), NULL, 0, NI_NOFQDN); 168126353Smlaier break; 169126353Smlaier } 170126353Smlaier } 171126353Smlaier printf("%s", host); 172126353Smlaier} 173126353Smlaier 174126353Smlaiervoid 175223637Sbzprint_host(struct pf_addr *addr, u_int16_t port, sa_family_t af, int opts) 176126353Smlaier{ 177126353Smlaier if (opts & PF_OPT_USEDNS) 178223637Sbz print_name(addr, af); 179126353Smlaier else { 180126353Smlaier struct pf_addr_wrap aw; 181126353Smlaier 182126353Smlaier memset(&aw, 0, sizeof(aw)); 183223637Sbz aw.v.a.addr = *addr; 184126353Smlaier if (af == AF_INET) 185126353Smlaier aw.v.a.mask.addr32[0] = 0xffffffff; 186130614Smlaier else { 187126353Smlaier memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask)); 188130614Smlaier af = AF_INET6; 189130614Smlaier } 190126353Smlaier print_addr(&aw, af, opts & PF_OPT_VERBOSE2); 191126353Smlaier } 192126353Smlaier 193223637Sbz if (port) { 194126353Smlaier if (af == AF_INET) 195223637Sbz printf(":%u", ntohs(port)); 196126353Smlaier else 197223637Sbz printf("[%u]", ntohs(port)); 198126353Smlaier } 199126353Smlaier} 200126353Smlaier 201126353Smlaiervoid 202223637Sbzprint_seq(struct pfsync_state_peer *p) 203126353Smlaier{ 204126353Smlaier if (p->seqdiff) 205223637Sbz printf("[%u + %u](+%u)", ntohl(p->seqlo), 206223637Sbz ntohl(p->seqhi) - ntohl(p->seqlo), ntohl(p->seqdiff)); 207126353Smlaier else 208223637Sbz printf("[%u + %u]", ntohl(p->seqlo), 209223637Sbz ntohl(p->seqhi) - ntohl(p->seqlo)); 210126353Smlaier} 211126353Smlaier 212126353Smlaiervoid 213223637Sbzprint_state(struct pfsync_state *s, int opts) 214126353Smlaier{ 215223637Sbz struct pfsync_state_peer *src, *dst; 216223637Sbz struct pfsync_state_key *sk, *nk; 217126353Smlaier struct protoent *p; 218126353Smlaier int min, sec; 219126353Smlaier 220126353Smlaier if (s->direction == PF_OUT) { 221126353Smlaier src = &s->src; 222126353Smlaier dst = &s->dst; 223223637Sbz sk = &s->key[PF_SK_STACK]; 224223637Sbz nk = &s->key[PF_SK_WIRE]; 225223637Sbz if (s->proto == IPPROTO_ICMP || s->proto == IPPROTO_ICMPV6) 226223637Sbz sk->port[0] = nk->port[0]; 227126353Smlaier } else { 228126353Smlaier src = &s->dst; 229126353Smlaier dst = &s->src; 230223637Sbz sk = &s->key[PF_SK_WIRE]; 231223637Sbz nk = &s->key[PF_SK_STACK]; 232223637Sbz if (s->proto == IPPROTO_ICMP || s->proto == IPPROTO_ICMPV6) 233223637Sbz sk->port[1] = nk->port[1]; 234126353Smlaier } 235223637Sbz printf("%s ", s->ifname); 236126353Smlaier if ((p = getprotobynumber(s->proto)) != NULL) 237126353Smlaier printf("%s ", p->p_name); 238126353Smlaier else 239126353Smlaier printf("%u ", s->proto); 240223637Sbz 241223637Sbz print_host(&nk->addr[1], nk->port[1], s->af, opts); 242223637Sbz if (PF_ANEQ(&nk->addr[1], &sk->addr[1], s->af) || 243223637Sbz nk->port[1] != sk->port[1]) { 244223637Sbz printf(" ("); 245223637Sbz print_host(&sk->addr[1], sk->port[1], s->af, opts); 246223637Sbz printf(")"); 247126353Smlaier } 248126353Smlaier if (s->direction == PF_OUT) 249126353Smlaier printf(" -> "); 250126353Smlaier else 251126353Smlaier printf(" <- "); 252223637Sbz print_host(&nk->addr[0], nk->port[0], s->af, opts); 253223637Sbz if (PF_ANEQ(&nk->addr[0], &sk->addr[0], s->af) || 254223637Sbz nk->port[0] != sk->port[0]) { 255223637Sbz printf(" ("); 256223637Sbz print_host(&sk->addr[0], sk->port[0], s->af, opts); 257223637Sbz printf(")"); 258223637Sbz } 259126353Smlaier 260126353Smlaier printf(" "); 261126353Smlaier if (s->proto == IPPROTO_TCP) { 262126353Smlaier if (src->state <= TCPS_TIME_WAIT && 263126353Smlaier dst->state <= TCPS_TIME_WAIT) 264126353Smlaier printf(" %s:%s\n", tcpstates[src->state], 265126353Smlaier tcpstates[dst->state]); 266126353Smlaier else if (src->state == PF_TCPS_PROXY_SRC || 267126353Smlaier dst->state == PF_TCPS_PROXY_SRC) 268126353Smlaier printf(" PROXY:SRC\n"); 269126353Smlaier else if (src->state == PF_TCPS_PROXY_DST || 270126353Smlaier dst->state == PF_TCPS_PROXY_DST) 271126353Smlaier printf(" PROXY:DST\n"); 272126353Smlaier else 273126353Smlaier printf(" <BAD STATE LEVELS %u:%u>\n", 274126353Smlaier src->state, dst->state); 275126353Smlaier if (opts & PF_OPT_VERBOSE) { 276126353Smlaier printf(" "); 277126353Smlaier print_seq(src); 278126353Smlaier if (src->wscale && dst->wscale) 279126353Smlaier printf(" wscale %u", 280126353Smlaier src->wscale & PF_WSCALE_MASK); 281126353Smlaier printf(" "); 282126353Smlaier print_seq(dst); 283126353Smlaier if (src->wscale && dst->wscale) 284126353Smlaier printf(" wscale %u", 285126353Smlaier dst->wscale & PF_WSCALE_MASK); 286126353Smlaier printf("\n"); 287126353Smlaier } 288126353Smlaier } else if (s->proto == IPPROTO_UDP && src->state < PFUDPS_NSTATES && 289126353Smlaier dst->state < PFUDPS_NSTATES) { 290126353Smlaier const char *states[] = PFUDPS_NAMES; 291126353Smlaier 292126353Smlaier printf(" %s:%s\n", states[src->state], states[dst->state]); 293126353Smlaier } else if (s->proto != IPPROTO_ICMP && src->state < PFOTHERS_NSTATES && 294126353Smlaier dst->state < PFOTHERS_NSTATES) { 295126353Smlaier /* XXX ICMP doesn't really have state levels */ 296126353Smlaier const char *states[] = PFOTHERS_NAMES; 297126353Smlaier 298126353Smlaier printf(" %s:%s\n", states[src->state], states[dst->state]); 299126353Smlaier } else { 300126353Smlaier printf(" %u:%u\n", src->state, dst->state); 301126353Smlaier } 302126353Smlaier 303126353Smlaier if (opts & PF_OPT_VERBOSE) { 304223637Sbz u_int64_t packets[2]; 305223637Sbz u_int64_t bytes[2]; 306223637Sbz u_int32_t creation = ntohl(s->creation); 307223637Sbz u_int32_t expire = ntohl(s->expire); 308223637Sbz 309223637Sbz sec = creation % 60; 310223637Sbz creation /= 60; 311223637Sbz min = creation % 60; 312223637Sbz creation /= 60; 313223637Sbz printf(" age %.2u:%.2u:%.2u", creation, min, sec); 314223637Sbz sec = expire % 60; 315223637Sbz expire /= 60; 316223637Sbz min = expire % 60; 317223637Sbz expire /= 60; 318223637Sbz printf(", expires in %.2u:%.2u:%.2u", expire, min, sec); 319223637Sbz 320223637Sbz bcopy(s->packets[0], &packets[0], sizeof(u_int64_t)); 321223637Sbz bcopy(s->packets[1], &packets[1], sizeof(u_int64_t)); 322223637Sbz bcopy(s->bytes[0], &bytes[0], sizeof(u_int64_t)); 323223637Sbz bcopy(s->bytes[1], &bytes[1], sizeof(u_int64_t)); 324171172Smlaier printf(", %llu:%llu pkts, %llu:%llu bytes", 325171172Smlaier#ifdef __FreeBSD__ 326223637Sbz (unsigned long long)betoh64(packets[0]), 327223637Sbz (unsigned long long)betoh64(packets[1]), 328223637Sbz (unsigned long long)betoh64(bytes[0]), 329223637Sbz (unsigned long long)betoh64(bytes[1])); 330171172Smlaier#else 331223637Sbz betoh64(packets[0]), 332223637Sbz betoh64(packets[1]), 333223637Sbz betoh64(bytes[0]), 334223637Sbz betoh64(bytes[1])); 335171172Smlaier#endif 336223637Sbz if (ntohl(s->anchor) != -1) 337223637Sbz printf(", anchor %u", ntohl(s->anchor)); 338223637Sbz if (ntohl(s->rule) != -1) 339223637Sbz printf(", rule %u", ntohl(s->rule)); 340200930Sdelphij if (s->state_flags & PFSTATE_SLOPPY) 341200930Sdelphij printf(", sloppy"); 342223637Sbz if (s->state_flags & PFSTATE_PFLOW) 343223637Sbz printf(", pflow"); 344223637Sbz if (s->sync_flags & PFSYNC_FLAG_SRCNODE) 345130614Smlaier printf(", source-track"); 346223637Sbz if (s->sync_flags & PFSYNC_FLAG_NATSRCNODE) 347130614Smlaier printf(", sticky-address"); 348126353Smlaier printf("\n"); 349126353Smlaier } 350130614Smlaier if (opts & PF_OPT_VERBOSE2) { 351223637Sbz u_int64_t id; 352223637Sbz 353223637Sbz bcopy(&s->id, &id, sizeof(u_int64_t)); 354223637Sbz printf(" id: %016llx creatorid: %08x", 355130617Smlaier#ifdef __FreeBSD__ 356223637Sbz (unsigned long long)betoh64(id), ntohl(s->creatorid)); 357130617Smlaier#else 358223637Sbz betoh64(id), ntohl(s->creatorid)); 359130617Smlaier#endif 360223637Sbz printf("\n"); 361130614Smlaier } 362126353Smlaier} 363126353Smlaier 364126353Smlaierint 365126353Smlaierunmask(struct pf_addr *m, sa_family_t af) 366126353Smlaier{ 367126353Smlaier int i = 31, j = 0, b = 0; 368126353Smlaier u_int32_t tmp; 369126353Smlaier 370126353Smlaier while (j < 4 && m->addr32[j] == 0xffffffff) { 371126353Smlaier b += 32; 372126353Smlaier j++; 373126353Smlaier } 374126353Smlaier if (j < 4) { 375126353Smlaier tmp = ntohl(m->addr32[j]); 376126353Smlaier for (i = 31; tmp & (1 << i); --i) 377126353Smlaier b++; 378126353Smlaier } 379126353Smlaier return (b); 380126353Smlaier} 381