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> 38130617Smlaier#include <sys/endian.h> 39126353Smlaier#include <net/if.h> 40126353Smlaier#define TCPSTATES 41126353Smlaier#include <netinet/tcp_fsm.h> 42126353Smlaier#include <net/pfvar.h> 43126353Smlaier#include <arpa/inet.h> 44126353Smlaier#include <netdb.h> 45126353Smlaier 46241052Sglebius#include <stdint.h> 47126353Smlaier#include <stdio.h> 48126353Smlaier#include <string.h> 49126353Smlaier 50126353Smlaier#include "pfctl_parser.h" 51126353Smlaier#include "pfctl.h" 52126353Smlaier 53126353Smlaiervoid print_name(struct pf_addr *, sa_family_t); 54126353Smlaier 55126353Smlaiervoid 56126353Smlaierprint_addr(struct pf_addr_wrap *addr, sa_family_t af, int verbose) 57126353Smlaier{ 58130614Smlaier switch (addr->type) { 59126353Smlaier case PF_ADDR_DYNIFTL: 60130614Smlaier printf("(%s", addr->v.ifname); 61130614Smlaier if (addr->iflags & PFI_AFLAG_NETWORK) 62130614Smlaier printf(":network"); 63130614Smlaier if (addr->iflags & PFI_AFLAG_BROADCAST) 64130614Smlaier printf(":broadcast"); 65130614Smlaier if (addr->iflags & PFI_AFLAG_PEER) 66130614Smlaier printf(":peer"); 67130614Smlaier if (addr->iflags & PFI_AFLAG_NOALIAS) 68130614Smlaier printf(":0"); 69130614Smlaier if (verbose) { 70130614Smlaier if (addr->p.dyncnt <= 0) 71130614Smlaier printf(":*"); 72130614Smlaier else 73130614Smlaier printf(":%d", addr->p.dyncnt); 74130614Smlaier } 75130614Smlaier printf(")"); 76126353Smlaier break; 77126353Smlaier case PF_ADDR_TABLE: 78126353Smlaier if (verbose) 79126353Smlaier if (addr->p.tblcnt == -1) 80126353Smlaier printf("<%s:*>", addr->v.tblname); 81126353Smlaier else 82126353Smlaier printf("<%s:%d>", addr->v.tblname, 83126353Smlaier addr->p.tblcnt); 84126353Smlaier else 85126353Smlaier printf("<%s>", addr->v.tblname); 86126353Smlaier return; 87223637Sbz case PF_ADDR_RANGE: { 88223637Sbz char buf[48]; 89223637Sbz 90223637Sbz if (inet_ntop(af, &addr->v.a.addr, buf, sizeof(buf)) == NULL) 91223637Sbz printf("?"); 92223637Sbz else 93223637Sbz printf("%s", buf); 94223637Sbz if (inet_ntop(af, &addr->v.a.mask, buf, sizeof(buf)) == NULL) 95223637Sbz printf(" - ?"); 96223637Sbz else 97223637Sbz printf(" - %s", buf); 98223637Sbz break; 99223637Sbz } 100126353Smlaier case PF_ADDR_ADDRMASK: 101126353Smlaier if (PF_AZERO(&addr->v.a.addr, AF_INET6) && 102126353Smlaier PF_AZERO(&addr->v.a.mask, AF_INET6)) 103126353Smlaier printf("any"); 104126353Smlaier else { 105126353Smlaier char buf[48]; 106126353Smlaier 107126353Smlaier if (inet_ntop(af, &addr->v.a.addr, buf, 108126353Smlaier sizeof(buf)) == NULL) 109126353Smlaier printf("?"); 110126353Smlaier else 111126353Smlaier printf("%s", buf); 112126353Smlaier } 113126353Smlaier break; 114126353Smlaier case PF_ADDR_NOROUTE: 115126353Smlaier printf("no-route"); 116126353Smlaier return; 117171172Smlaier case PF_ADDR_URPFFAILED: 118171172Smlaier printf("urpf-failed"); 119171172Smlaier return; 120126353Smlaier default: 121126353Smlaier printf("?"); 122126353Smlaier return; 123126353Smlaier } 124130614Smlaier 125130614Smlaier /* mask if not _both_ address and mask are zero */ 126223637Sbz if (addr->type != PF_ADDR_RANGE && 127223637Sbz !(PF_AZERO(&addr->v.a.addr, AF_INET6) && 128130614Smlaier PF_AZERO(&addr->v.a.mask, AF_INET6))) { 129126353Smlaier int bits = unmask(&addr->v.a.mask, af); 130126353Smlaier 131126353Smlaier if (bits != (af == AF_INET ? 32 : 128)) 132126353Smlaier printf("/%d", bits); 133126353Smlaier } 134126353Smlaier} 135126353Smlaier 136126353Smlaiervoid 137126353Smlaierprint_name(struct pf_addr *addr, sa_family_t af) 138126353Smlaier{ 139126353Smlaier char host[NI_MAXHOST]; 140126353Smlaier 141126353Smlaier strlcpy(host, "?", sizeof(host)); 142126353Smlaier switch (af) { 143126353Smlaier case AF_INET: { 144126353Smlaier struct sockaddr_in sin; 145126353Smlaier 146126353Smlaier memset(&sin, 0, sizeof(sin)); 147126353Smlaier sin.sin_len = sizeof(sin); 148126353Smlaier sin.sin_family = AF_INET; 149126353Smlaier sin.sin_addr = addr->v4; 150126353Smlaier getnameinfo((struct sockaddr *)&sin, sin.sin_len, 151126353Smlaier host, sizeof(host), NULL, 0, NI_NOFQDN); 152126353Smlaier break; 153126353Smlaier } 154126353Smlaier case AF_INET6: { 155126353Smlaier struct sockaddr_in6 sin6; 156126353Smlaier 157126353Smlaier memset(&sin6, 0, sizeof(sin6)); 158126353Smlaier sin6.sin6_len = sizeof(sin6); 159126353Smlaier sin6.sin6_family = AF_INET6; 160126353Smlaier sin6.sin6_addr = addr->v6; 161126353Smlaier getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 162126353Smlaier host, sizeof(host), NULL, 0, NI_NOFQDN); 163126353Smlaier break; 164126353Smlaier } 165126353Smlaier } 166126353Smlaier printf("%s", host); 167126353Smlaier} 168126353Smlaier 169126353Smlaiervoid 170223637Sbzprint_host(struct pf_addr *addr, u_int16_t port, sa_family_t af, int opts) 171126353Smlaier{ 172126353Smlaier if (opts & PF_OPT_USEDNS) 173223637Sbz print_name(addr, af); 174126353Smlaier else { 175126353Smlaier struct pf_addr_wrap aw; 176126353Smlaier 177126353Smlaier memset(&aw, 0, sizeof(aw)); 178223637Sbz aw.v.a.addr = *addr; 179126353Smlaier if (af == AF_INET) 180126353Smlaier aw.v.a.mask.addr32[0] = 0xffffffff; 181130614Smlaier else { 182126353Smlaier memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask)); 183130614Smlaier af = AF_INET6; 184130614Smlaier } 185126353Smlaier print_addr(&aw, af, opts & PF_OPT_VERBOSE2); 186126353Smlaier } 187126353Smlaier 188223637Sbz if (port) { 189126353Smlaier if (af == AF_INET) 190223637Sbz printf(":%u", ntohs(port)); 191126353Smlaier else 192223637Sbz printf("[%u]", ntohs(port)); 193126353Smlaier } 194126353Smlaier} 195126353Smlaier 196126353Smlaiervoid 197223637Sbzprint_seq(struct pfsync_state_peer *p) 198126353Smlaier{ 199126353Smlaier if (p->seqdiff) 200223637Sbz printf("[%u + %u](+%u)", ntohl(p->seqlo), 201223637Sbz ntohl(p->seqhi) - ntohl(p->seqlo), ntohl(p->seqdiff)); 202126353Smlaier else 203223637Sbz printf("[%u + %u]", ntohl(p->seqlo), 204223637Sbz ntohl(p->seqhi) - ntohl(p->seqlo)); 205126353Smlaier} 206126353Smlaier 207126353Smlaiervoid 208223637Sbzprint_state(struct pfsync_state *s, int opts) 209126353Smlaier{ 210223637Sbz struct pfsync_state_peer *src, *dst; 211223637Sbz struct pfsync_state_key *sk, *nk; 212126353Smlaier struct protoent *p; 213126353Smlaier int min, sec; 214126353Smlaier 215126353Smlaier if (s->direction == PF_OUT) { 216126353Smlaier src = &s->src; 217126353Smlaier dst = &s->dst; 218223637Sbz sk = &s->key[PF_SK_STACK]; 219223637Sbz nk = &s->key[PF_SK_WIRE]; 220223637Sbz if (s->proto == IPPROTO_ICMP || s->proto == IPPROTO_ICMPV6) 221223637Sbz sk->port[0] = nk->port[0]; 222126353Smlaier } else { 223126353Smlaier src = &s->dst; 224126353Smlaier dst = &s->src; 225223637Sbz sk = &s->key[PF_SK_WIRE]; 226223637Sbz nk = &s->key[PF_SK_STACK]; 227223637Sbz if (s->proto == IPPROTO_ICMP || s->proto == IPPROTO_ICMPV6) 228223637Sbz sk->port[1] = nk->port[1]; 229126353Smlaier } 230223637Sbz printf("%s ", s->ifname); 231126353Smlaier if ((p = getprotobynumber(s->proto)) != NULL) 232126353Smlaier printf("%s ", p->p_name); 233126353Smlaier else 234126353Smlaier printf("%u ", s->proto); 235223637Sbz 236223637Sbz print_host(&nk->addr[1], nk->port[1], s->af, opts); 237223637Sbz if (PF_ANEQ(&nk->addr[1], &sk->addr[1], s->af) || 238223637Sbz nk->port[1] != sk->port[1]) { 239223637Sbz printf(" ("); 240223637Sbz print_host(&sk->addr[1], sk->port[1], s->af, opts); 241223637Sbz printf(")"); 242126353Smlaier } 243126353Smlaier if (s->direction == PF_OUT) 244126353Smlaier printf(" -> "); 245126353Smlaier else 246126353Smlaier printf(" <- "); 247223637Sbz print_host(&nk->addr[0], nk->port[0], s->af, opts); 248223637Sbz if (PF_ANEQ(&nk->addr[0], &sk->addr[0], s->af) || 249223637Sbz nk->port[0] != sk->port[0]) { 250223637Sbz printf(" ("); 251223637Sbz print_host(&sk->addr[0], sk->port[0], s->af, opts); 252223637Sbz printf(")"); 253223637Sbz } 254126353Smlaier 255126353Smlaier printf(" "); 256126353Smlaier if (s->proto == IPPROTO_TCP) { 257126353Smlaier if (src->state <= TCPS_TIME_WAIT && 258126353Smlaier dst->state <= TCPS_TIME_WAIT) 259126353Smlaier printf(" %s:%s\n", tcpstates[src->state], 260126353Smlaier tcpstates[dst->state]); 261126353Smlaier else if (src->state == PF_TCPS_PROXY_SRC || 262126353Smlaier dst->state == PF_TCPS_PROXY_SRC) 263126353Smlaier printf(" PROXY:SRC\n"); 264126353Smlaier else if (src->state == PF_TCPS_PROXY_DST || 265126353Smlaier dst->state == PF_TCPS_PROXY_DST) 266126353Smlaier printf(" PROXY:DST\n"); 267126353Smlaier else 268126353Smlaier printf(" <BAD STATE LEVELS %u:%u>\n", 269126353Smlaier src->state, dst->state); 270126353Smlaier if (opts & PF_OPT_VERBOSE) { 271126353Smlaier printf(" "); 272126353Smlaier print_seq(src); 273126353Smlaier if (src->wscale && dst->wscale) 274126353Smlaier printf(" wscale %u", 275126353Smlaier src->wscale & PF_WSCALE_MASK); 276126353Smlaier printf(" "); 277126353Smlaier print_seq(dst); 278126353Smlaier if (src->wscale && dst->wscale) 279126353Smlaier printf(" wscale %u", 280126353Smlaier dst->wscale & PF_WSCALE_MASK); 281126353Smlaier printf("\n"); 282126353Smlaier } 283126353Smlaier } else if (s->proto == IPPROTO_UDP && src->state < PFUDPS_NSTATES && 284126353Smlaier dst->state < PFUDPS_NSTATES) { 285126353Smlaier const char *states[] = PFUDPS_NAMES; 286126353Smlaier 287126353Smlaier printf(" %s:%s\n", states[src->state], states[dst->state]); 288126353Smlaier } else if (s->proto != IPPROTO_ICMP && src->state < PFOTHERS_NSTATES && 289126353Smlaier dst->state < PFOTHERS_NSTATES) { 290126353Smlaier /* XXX ICMP doesn't really have state levels */ 291126353Smlaier const char *states[] = PFOTHERS_NAMES; 292126353Smlaier 293126353Smlaier printf(" %s:%s\n", states[src->state], states[dst->state]); 294126353Smlaier } else { 295126353Smlaier printf(" %u:%u\n", src->state, dst->state); 296126353Smlaier } 297126353Smlaier 298126353Smlaier if (opts & PF_OPT_VERBOSE) { 299223637Sbz u_int64_t packets[2]; 300223637Sbz u_int64_t bytes[2]; 301223637Sbz u_int32_t creation = ntohl(s->creation); 302223637Sbz u_int32_t expire = ntohl(s->expire); 303223637Sbz 304223637Sbz sec = creation % 60; 305223637Sbz creation /= 60; 306223637Sbz min = creation % 60; 307223637Sbz creation /= 60; 308223637Sbz printf(" age %.2u:%.2u:%.2u", creation, min, sec); 309223637Sbz sec = expire % 60; 310223637Sbz expire /= 60; 311223637Sbz min = expire % 60; 312223637Sbz expire /= 60; 313223637Sbz printf(", expires in %.2u:%.2u:%.2u", expire, min, sec); 314223637Sbz 315223637Sbz bcopy(s->packets[0], &packets[0], sizeof(u_int64_t)); 316223637Sbz bcopy(s->packets[1], &packets[1], sizeof(u_int64_t)); 317223637Sbz bcopy(s->bytes[0], &bytes[0], sizeof(u_int64_t)); 318223637Sbz bcopy(s->bytes[1], &bytes[1], sizeof(u_int64_t)); 319241052Sglebius printf(", %ju:%ju pkts, %ju:%ju bytes", 320241052Sglebius (uintmax_t )be64toh(packets[0]), 321241052Sglebius (uintmax_t )be64toh(packets[1]), 322241052Sglebius (uintmax_t )be64toh(bytes[0]), 323241052Sglebius (uintmax_t )be64toh(bytes[1])); 324223637Sbz if (ntohl(s->anchor) != -1) 325223637Sbz printf(", anchor %u", ntohl(s->anchor)); 326223637Sbz if (ntohl(s->rule) != -1) 327223637Sbz printf(", rule %u", ntohl(s->rule)); 328200930Sdelphij if (s->state_flags & PFSTATE_SLOPPY) 329200930Sdelphij printf(", sloppy"); 330223637Sbz if (s->sync_flags & PFSYNC_FLAG_SRCNODE) 331130614Smlaier printf(", source-track"); 332223637Sbz if (s->sync_flags & PFSYNC_FLAG_NATSRCNODE) 333130614Smlaier printf(", sticky-address"); 334126353Smlaier printf("\n"); 335126353Smlaier } 336130614Smlaier if (opts & PF_OPT_VERBOSE2) { 337223637Sbz u_int64_t id; 338223637Sbz 339223637Sbz bcopy(&s->id, &id, sizeof(u_int64_t)); 340241052Sglebius printf(" id: %016jx creatorid: %08x", 341241052Sglebius (uintmax_t )be64toh(id), ntohl(s->creatorid)); 342223637Sbz printf("\n"); 343130614Smlaier } 344126353Smlaier} 345126353Smlaier 346126353Smlaierint 347126353Smlaierunmask(struct pf_addr *m, sa_family_t af) 348126353Smlaier{ 349126353Smlaier int i = 31, j = 0, b = 0; 350126353Smlaier u_int32_t tmp; 351126353Smlaier 352126353Smlaier while (j < 4 && m->addr32[j] == 0xffffffff) { 353126353Smlaier b += 32; 354126353Smlaier j++; 355126353Smlaier } 356126353Smlaier if (j < 4) { 357126353Smlaier tmp = ntohl(m->addr32[j]); 358126353Smlaier for (i = 31; tmp & (1 << i); --i) 359126353Smlaier b++; 360126353Smlaier } 361126353Smlaier return (b); 362126353Smlaier} 363