1 /* $OpenBSD: pfctl_parser.c,v 1.340 2019/03/30 02:45:14 kn Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Daniel Hartmeier 5 * Copyright (c) 2002 - 2013 Henning Brauer <henning@openbsd.org> 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/types.h> 35 #include <sys/ioctl.h> 36 #include <sys/socket.h> 37 #include <net/if_dl.h> 38 #include <net/if.h> 39 #include <netinet/in.h> 40 #include <netinet/ip.h> 41 #include <netinet/ip_icmp.h> 42 #include <netinet/icmp6.h> 43 #include <net/pfvar.h> 44 #include <arpa/inet.h> 45 46 #include <ctype.h> 47 #include <err.h> 48 #include <errno.h> 49 #include <ifaddrs.h> 50 #include <limits.h> 51 #include <netdb.h> 52 #include <stdarg.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <time.h> 57 #include <unistd.h> 58 59 #define SYSLOG_NAMES 60 #include <syslog.h> 61 62 #include "pfctl_parser.h" 63 #include "pfctl.h" 64 65 void print_op (u_int8_t, const char *, const char *); 66 void print_port (u_int8_t, u_int16_t, u_int16_t, const char *, int); 67 void print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned); 68 void print_flags (u_int8_t); 69 void print_fromto(struct pf_rule_addr *, pf_osfp_t, 70 struct pf_rule_addr *, u_int8_t, u_int8_t, int); 71 void print_bwspec(const char *index, struct pf_queue_bwspec *); 72 void print_scspec(const char *, struct pf_queue_scspec *); 73 int ifa_skip_if(const char *filter, struct node_host *p); 74 75 struct node_host *ifa_grouplookup(const char *, int); 76 struct node_host *host_if(const char *, int); 77 struct node_host *host_ip(const char *, int); 78 struct node_host *host_dns(const char *, int, int); 79 80 const char *tcpflags = "FSRPAUEW"; 81 82 static 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 }; 109 110 static 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 { "listenrepv2", MLDV2_LISTENER_REPORT }, 138 }; 139 140 static const struct icmpcodeent icmp_code[] = { 141 { "net-unr", ICMP_UNREACH, ICMP_UNREACH_NET }, 142 { "host-unr", ICMP_UNREACH, ICMP_UNREACH_HOST }, 143 { "proto-unr", ICMP_UNREACH, ICMP_UNREACH_PROTOCOL }, 144 { "port-unr", ICMP_UNREACH, ICMP_UNREACH_PORT }, 145 { "needfrag", ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG }, 146 { "srcfail", ICMP_UNREACH, ICMP_UNREACH_SRCFAIL }, 147 { "net-unk", ICMP_UNREACH, ICMP_UNREACH_NET_UNKNOWN }, 148 { "host-unk", ICMP_UNREACH, ICMP_UNREACH_HOST_UNKNOWN }, 149 { "isolate", ICMP_UNREACH, ICMP_UNREACH_ISOLATED }, 150 { "net-prohib", ICMP_UNREACH, ICMP_UNREACH_NET_PROHIB }, 151 { "host-prohib", ICMP_UNREACH, ICMP_UNREACH_HOST_PROHIB }, 152 { "net-tos", ICMP_UNREACH, ICMP_UNREACH_TOSNET }, 153 { "host-tos", ICMP_UNREACH, ICMP_UNREACH_TOSHOST }, 154 { "filter-prohib", ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB }, 155 { "host-preced", ICMP_UNREACH, ICMP_UNREACH_HOST_PRECEDENCE }, 156 { "cutoff-preced", ICMP_UNREACH, ICMP_UNREACH_PRECEDENCE_CUTOFF }, 157 { "redir-net", ICMP_REDIRECT, ICMP_REDIRECT_NET }, 158 { "redir-host", ICMP_REDIRECT, ICMP_REDIRECT_HOST }, 159 { "redir-tos-net", ICMP_REDIRECT, ICMP_REDIRECT_TOSNET }, 160 { "redir-tos-host", ICMP_REDIRECT, ICMP_REDIRECT_TOSHOST }, 161 { "normal-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NORMAL }, 162 { "common-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NOROUTE_COMMON }, 163 { "transit", ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS }, 164 { "reassemb", ICMP_TIMXCEED, ICMP_TIMXCEED_REASS }, 165 { "badhead", ICMP_PARAMPROB, ICMP_PARAMPROB_ERRATPTR }, 166 { "optmiss", ICMP_PARAMPROB, ICMP_PARAMPROB_OPTABSENT }, 167 { "badlen", ICMP_PARAMPROB, ICMP_PARAMPROB_LENGTH }, 168 { "unknown-ind", ICMP_PHOTURIS, ICMP_PHOTURIS_UNKNOWN_INDEX }, 169 { "auth-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_AUTH_FAILED }, 170 { "decrypt-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_DECRYPT_FAILED } 171 }; 172 173 static const struct icmpcodeent icmp6_code[] = { 174 { "admin-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN }, 175 { "noroute-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE }, 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 }; 186 187 const 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 }; 210 211 enum { PF_POOL_ROUTE, PF_POOL_NAT, PF_POOL_RDR }; 212 213 void 214 copy_satopfaddr(struct pf_addr *pfa, struct sockaddr *sa) 215 { 216 if (sa->sa_family == AF_INET6) 217 pfa->v6 = ((struct sockaddr_in6 *)sa)->sin6_addr; 218 else if (sa->sa_family == AF_INET) 219 pfa->v4 = ((struct sockaddr_in *)sa)->sin_addr; 220 else 221 warnx("unhandled af %d", sa->sa_family); 222 } 223 224 const struct icmptypeent * 225 geticmptypebynumber(u_int8_t type, sa_family_t af) 226 { 227 unsigned int i; 228 229 if (af != AF_INET6) { 230 for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0])); 231 i++) { 232 if (type == icmp_type[i].type) 233 return (&icmp_type[i]); 234 } 235 } else { 236 for (i=0; i < (sizeof (icmp6_type) / 237 sizeof(icmp6_type[0])); i++) { 238 if (type == icmp6_type[i].type) 239 return (&icmp6_type[i]); 240 } 241 } 242 return (NULL); 243 } 244 245 const struct icmptypeent * 246 geticmptypebyname(char *w, sa_family_t af) 247 { 248 unsigned int i; 249 250 if (af != AF_INET6) { 251 for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0])); 252 i++) { 253 if (!strcmp(w, icmp_type[i].name)) 254 return (&icmp_type[i]); 255 } 256 } else { 257 for (i=0; i < (sizeof (icmp6_type) / 258 sizeof(icmp6_type[0])); i++) { 259 if (!strcmp(w, icmp6_type[i].name)) 260 return (&icmp6_type[i]); 261 } 262 } 263 return (NULL); 264 } 265 266 const struct icmpcodeent * 267 geticmpcodebynumber(u_int8_t type, u_int8_t code, sa_family_t af) 268 { 269 unsigned int i; 270 271 if (af != AF_INET6) { 272 for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0])); 273 i++) { 274 if (type == icmp_code[i].type && 275 code == icmp_code[i].code) 276 return (&icmp_code[i]); 277 } 278 } else { 279 for (i=0; i < (sizeof (icmp6_code) / 280 sizeof(icmp6_code[0])); i++) { 281 if (type == icmp6_code[i].type && 282 code == icmp6_code[i].code) 283 return (&icmp6_code[i]); 284 } 285 } 286 return (NULL); 287 } 288 289 const struct icmpcodeent * 290 geticmpcodebyname(u_long type, char *w, sa_family_t af) 291 { 292 unsigned int i; 293 294 if (af != AF_INET6) { 295 for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0])); 296 i++) { 297 if (type == icmp_code[i].type && 298 !strcmp(w, icmp_code[i].name)) 299 return (&icmp_code[i]); 300 } 301 } else { 302 for (i=0; i < (sizeof (icmp6_code) / 303 sizeof(icmp6_code[0])); i++) { 304 if (type == icmp6_code[i].type && 305 !strcmp(w, icmp6_code[i].name)) 306 return (&icmp6_code[i]); 307 } 308 } 309 return (NULL); 310 } 311 312 /* 313 * Decode a symbolic name to a numeric value. 314 * From syslogd. 315 */ 316 int 317 string_to_loglevel(const char *name) 318 { 319 CODE *c; 320 char *p, buf[40]; 321 322 if (isdigit((unsigned char)*name)) { 323 const char *errstr; 324 int val; 325 326 val = strtonum(name, 0, LOG_DEBUG, &errstr); 327 if (errstr) 328 return -1; 329 return val; 330 } 331 332 for (p = buf; *name && p < &buf[sizeof(buf) - 1]; p++, name++) { 333 if (isupper((unsigned char)*name)) 334 *p = tolower((unsigned char)*name); 335 else 336 *p = *name; 337 } 338 *p = '\0'; 339 for (c = prioritynames; c->c_name; c++) 340 if (!strcmp(buf, c->c_name) && c->c_val != INTERNAL_NOPRI) 341 return (c->c_val); 342 343 return (-1); 344 } 345 346 const char * 347 loglevel_to_string(int level) 348 { 349 CODE *c; 350 351 for (c = prioritynames; c->c_name; c++) 352 if (c->c_val == level) 353 return (c->c_name); 354 355 return ("unknown"); 356 } 357 358 void 359 print_op(u_int8_t op, const char *a1, const char *a2) 360 { 361 if (op == PF_OP_IRG) 362 printf(" %s >< %s", a1, a2); 363 else if (op == PF_OP_XRG) 364 printf(" %s <> %s", a1, a2); 365 else if (op == PF_OP_EQ) 366 printf(" = %s", a1); 367 else if (op == PF_OP_NE) 368 printf(" != %s", a1); 369 else if (op == PF_OP_LT) 370 printf(" < %s", a1); 371 else if (op == PF_OP_LE) 372 printf(" <= %s", a1); 373 else if (op == PF_OP_GT) 374 printf(" > %s", a1); 375 else if (op == PF_OP_GE) 376 printf(" >= %s", a1); 377 else if (op == PF_OP_RRG) 378 printf(" %s:%s", a1, a2); 379 } 380 381 void 382 print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto, int opts) 383 { 384 char a1[6], a2[6]; 385 struct servent *s = NULL; 386 387 if (opts & PF_OPT_PORTNAMES) 388 s = getservbyport(p1, proto); 389 p1 = ntohs(p1); 390 p2 = ntohs(p2); 391 snprintf(a1, sizeof(a1), "%u", p1); 392 snprintf(a2, sizeof(a2), "%u", p2); 393 printf(" port"); 394 if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE)) 395 print_op(op, s->s_name, a2); 396 else 397 print_op(op, a1, a2); 398 } 399 400 void 401 print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax) 402 { 403 char a1[11], a2[11]; 404 405 snprintf(a1, sizeof(a1), "%u", u1); 406 snprintf(a2, sizeof(a2), "%u", u2); 407 printf(" %s", t); 408 if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE)) 409 print_op(op, "unknown", a2); 410 else 411 print_op(op, a1, a2); 412 } 413 414 void 415 print_flags(u_int8_t f) 416 { 417 int i; 418 419 for (i = 0; tcpflags[i]; ++i) 420 if (f & (1 << i)) 421 printf("%c", tcpflags[i]); 422 } 423 424 void 425 print_fromto(struct pf_rule_addr *src, pf_osfp_t osfp, struct pf_rule_addr *dst, 426 sa_family_t af, u_int8_t proto, int opts) 427 { 428 char buf[PF_OSFP_LEN*3]; 429 int verbose = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 430 if (src->addr.type == PF_ADDR_ADDRMASK && 431 dst->addr.type == PF_ADDR_ADDRMASK && 432 PF_AZERO(&src->addr.v.a.addr, AF_INET6) && 433 PF_AZERO(&src->addr.v.a.mask, AF_INET6) && 434 PF_AZERO(&dst->addr.v.a.addr, AF_INET6) && 435 PF_AZERO(&dst->addr.v.a.mask, AF_INET6) && 436 !src->neg && !dst->neg && 437 !src->port_op && !dst->port_op && 438 osfp == PF_OSFP_ANY) 439 printf(" all"); 440 else { 441 printf(" from "); 442 if (src->neg) 443 printf("! "); 444 print_addr(&src->addr, af, verbose); 445 if (src->port_op) 446 print_port(src->port_op, src->port[0], 447 src->port[1], 448 proto == IPPROTO_TCP ? "tcp" : "udp", opts); 449 if (osfp != PF_OSFP_ANY) 450 printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf, 451 sizeof(buf))); 452 453 printf(" to "); 454 if (dst->neg) 455 printf("! "); 456 print_addr(&dst->addr, af, verbose); 457 if (dst->port_op) 458 print_port(dst->port_op, dst->port[0], 459 dst->port[1], 460 proto == IPPROTO_TCP ? "tcp" : "udp", opts); 461 } 462 } 463 464 void 465 print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2, 466 sa_family_t af, int id, int verbose) 467 { 468 if (pool->ifname[0]) { 469 if (!PF_AZERO(&pool->addr.v.a.addr, af)) { 470 print_addr(&pool->addr, af, verbose); 471 printf("@"); 472 } 473 printf("%s", pool->ifname); 474 } else 475 print_addr(&pool->addr, af, verbose); 476 switch (id) { 477 case PF_POOL_NAT: 478 if ((p1 != PF_NAT_PROXY_PORT_LOW || 479 p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) { 480 if (p1 == p2) 481 printf(" port %u", p1); 482 else 483 printf(" port %u:%u", p1, p2); 484 } 485 break; 486 case PF_POOL_RDR: 487 if (p1) { 488 printf(" port %u", p1); 489 if (p2 && (p2 != p1)) 490 printf(":%u", p2); 491 } 492 break; 493 default: 494 break; 495 } 496 switch (pool->opts & PF_POOL_TYPEMASK) { 497 case PF_POOL_NONE: 498 break; 499 case PF_POOL_BITMASK: 500 printf(" bitmask"); 501 break; 502 case PF_POOL_RANDOM: 503 printf(" random"); 504 break; 505 case PF_POOL_SRCHASH: 506 printf(" source-hash 0x%08x%08x%08x%08x", 507 pool->key.key32[0], pool->key.key32[1], 508 pool->key.key32[2], pool->key.key32[3]); 509 break; 510 case PF_POOL_ROUNDROBIN: 511 printf(" round-robin"); 512 break; 513 case PF_POOL_LEASTSTATES: 514 printf(" least-states"); 515 break; 516 } 517 if (pool->opts & PF_POOL_STICKYADDR) 518 printf(" sticky-address"); 519 if (id == PF_POOL_NAT && p1 == 0 && p2 == 0) 520 printf(" static-port"); 521 } 522 523 const char *pf_reasons[PFRES_MAX+1] = PFRES_NAMES; 524 const char *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES; 525 const char *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES; 526 const char *pf_scounters[FCNT_MAX+1] = FCNT_NAMES; 527 528 void 529 print_status(struct pf_status *s, struct pfctl_watermarks *synflwats, int opts) 530 { 531 char statline[80], *running, *debug; 532 time_t runtime = 0; 533 struct timespec uptime; 534 int i; 535 char buf[PF_MD5_DIGEST_LENGTH * 2 + 1]; 536 static const char hex[] = "0123456789abcdef"; 537 538 if (!clock_gettime(CLOCK_UPTIME, &uptime)) 539 runtime = uptime.tv_sec - s->since; 540 running = s->running ? "Enabled" : "Disabled"; 541 542 if (runtime) { 543 unsigned int sec, min, hrs; 544 time_t day = runtime; 545 546 sec = day % 60; 547 day /= 60; 548 min = day % 60; 549 day /= 60; 550 hrs = day % 24; 551 day /= 24; 552 snprintf(statline, sizeof(statline), 553 "Status: %s for %lld days %.2u:%.2u:%.2u", 554 running, (long long)day, hrs, min, sec); 555 } else 556 snprintf(statline, sizeof(statline), "Status: %s", running); 557 printf("%-44s", statline); 558 if (asprintf(&debug, "Debug: %s", loglevel_to_string(s->debug)) != -1) { 559 printf("%15s\n\n", debug); 560 free(debug); 561 } 562 563 if (opts & PF_OPT_VERBOSE) { 564 printf("Hostid: 0x%08x\n", ntohl(s->hostid)); 565 566 for (i = 0; i < PF_MD5_DIGEST_LENGTH; i++) { 567 buf[i + i] = hex[s->pf_chksum[i] >> 4]; 568 buf[i + i + 1] = hex[s->pf_chksum[i] & 0x0f]; 569 } 570 buf[i + i] = '\0'; 571 printf("Checksum: 0x%s\n\n", buf); 572 } 573 574 if (s->ifname[0] != 0) { 575 printf("Interface Stats for %-16s %5s %16s\n", 576 s->ifname, "IPv4", "IPv6"); 577 printf(" %-25s %14llu %16llu\n", "Bytes In", 578 (unsigned long long)s->bcounters[0][0], 579 (unsigned long long)s->bcounters[1][0]); 580 printf(" %-25s %14llu %16llu\n", "Bytes Out", 581 (unsigned long long)s->bcounters[0][1], 582 (unsigned long long)s->bcounters[1][1]); 583 printf(" Packets In\n"); 584 printf(" %-23s %14llu %16llu\n", "Passed", 585 (unsigned long long)s->pcounters[0][0][PF_PASS], 586 (unsigned long long)s->pcounters[1][0][PF_PASS]); 587 printf(" %-23s %14llu %16llu\n", "Blocked", 588 (unsigned long long)s->pcounters[0][0][PF_DROP], 589 (unsigned long long)s->pcounters[1][0][PF_DROP]); 590 printf(" Packets Out\n"); 591 printf(" %-23s %14llu %16llu\n", "Passed", 592 (unsigned long long)s->pcounters[0][1][PF_PASS], 593 (unsigned long long)s->pcounters[1][1][PF_PASS]); 594 printf(" %-23s %14llu %16llu\n\n", "Blocked", 595 (unsigned long long)s->pcounters[0][1][PF_DROP], 596 (unsigned long long)s->pcounters[1][1][PF_DROP]); 597 } 598 printf("%-27s %14s %16s\n", "State Table", "Total", "Rate"); 599 printf(" %-25s %14u %14s\n", "current entries", s->states, ""); 600 printf(" %-25s %14u %14s\n", "half-open tcp", s->states_halfopen, ""); 601 for (i = 0; i < FCNT_MAX; i++) { 602 printf(" %-25s %14llu ", pf_fcounters[i], 603 (unsigned long long)s->fcounters[i]); 604 if (runtime > 0) 605 printf("%14.1f/s\n", 606 (double)s->fcounters[i] / (double)runtime); 607 else 608 printf("%14s\n", ""); 609 } 610 if (opts & PF_OPT_VERBOSE) { 611 printf("Source Tracking Table\n"); 612 printf(" %-25s %14u %14s\n", "current entries", 613 s->src_nodes, ""); 614 for (i = 0; i < SCNT_MAX; i++) { 615 printf(" %-25s %14lld ", pf_scounters[i], 616 s->scounters[i]); 617 if (runtime > 0) 618 printf("%14.1f/s\n", 619 (double)s->scounters[i] / (double)runtime); 620 else 621 printf("%14s\n", ""); 622 } 623 } 624 printf("Counters\n"); 625 for (i = 0; i < PFRES_MAX; i++) { 626 printf(" %-25s %14llu ", pf_reasons[i], 627 (unsigned long long)s->counters[i]); 628 if (runtime > 0) 629 printf("%14.1f/s\n", 630 (double)s->counters[i] / (double)runtime); 631 else 632 printf("%14s\n", ""); 633 } 634 if (opts & PF_OPT_VERBOSE) { 635 printf("Limit Counters\n"); 636 for (i = 0; i < LCNT_MAX; i++) { 637 printf(" %-25s %14lld ", pf_lcounters[i], 638 s->lcounters[i]); 639 if (runtime > 0) 640 printf("%14.1f/s\n", 641 (double)s->lcounters[i] / (double)runtime); 642 else 643 printf("%14s\n", ""); 644 } 645 } 646 if (opts & PF_OPT_VERBOSE) { 647 printf("Adaptive Syncookies Watermarks\n"); 648 printf(" %-25s %14d states\n", "start", synflwats->hi); 649 printf(" %-25s %14d states\n", "end", synflwats->lo); 650 } 651 } 652 653 void 654 print_src_node(struct pf_src_node *sn, int opts) 655 { 656 struct pf_addr_wrap aw; 657 int min, sec; 658 659 memset(&aw, 0, sizeof(aw)); 660 if (sn->af == AF_INET) 661 aw.v.a.mask.addr32[0] = 0xffffffff; 662 else 663 memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask)); 664 665 aw.v.a.addr = sn->addr; 666 print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 667 668 if (!PF_AZERO(&sn->raddr, sn->af)) { 669 if (sn->type == PF_SN_NAT) 670 printf(" nat-to "); 671 else if (sn->type == PF_SN_RDR) 672 printf(" rdr-to "); 673 else if (sn->type == PF_SN_ROUTE) 674 printf(" route-to "); 675 else 676 printf(" ??? (%u) ", sn->type); 677 aw.v.a.addr = sn->raddr; 678 print_addr(&aw, sn->naf ? sn->naf : sn->af, 679 opts & PF_OPT_VERBOSE2); 680 } 681 682 printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states, 683 sn->conn, sn->conn_rate.count / 1000, 684 (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds); 685 if (opts & PF_OPT_VERBOSE) { 686 sec = sn->creation % 60; 687 sn->creation /= 60; 688 min = sn->creation % 60; 689 sn->creation /= 60; 690 printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec); 691 if (sn->states == 0) { 692 sec = sn->expire % 60; 693 sn->expire /= 60; 694 min = sn->expire % 60; 695 sn->expire /= 60; 696 printf(", expires in %.2u:%.2u:%.2u", 697 sn->expire, min, sec); 698 } 699 printf(", %llu pkts, %llu bytes", 700 sn->packets[0] + sn->packets[1], 701 sn->bytes[0] + sn->bytes[1]); 702 if (sn->rule.nr != -1) 703 printf(", rule %u", sn->rule.nr); 704 printf("\n"); 705 } 706 } 707 708 void 709 print_rule(struct pf_rule *r, const char *anchor_call, int opts) 710 { 711 static const char *actiontypes[] = { "pass", "block", "scrub", 712 "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr", 713 "", "", "match"}; 714 static const char *anchortypes[] = { "anchor", "anchor", "anchor", 715 "anchor", "nat-anchor", "nat-anchor", "binat-anchor", 716 "binat-anchor", "rdr-anchor", "rdr-anchor" }; 717 int i, ropts; 718 int verbose = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 719 char *p; 720 721 if ((r->rule_flag & PFRULE_EXPIRED) && (!verbose)) 722 return; 723 724 if (verbose) 725 printf("@%d ", r->nr); 726 727 if (r->action > PF_MATCH) 728 printf("action(%d)", r->action); 729 else if (anchor_call[0]) { 730 p = strrchr(anchor_call, '/'); 731 if (p ? p[1] == '_' : anchor_call[0] == '_') 732 printf("%s", anchortypes[r->action]); 733 else 734 printf("%s \"%s\"", anchortypes[r->action], 735 anchor_call); 736 } else 737 printf("%s", actiontypes[r->action]); 738 if (r->action == PF_DROP) { 739 if (r->rule_flag & PFRULE_RETURN) 740 printf(" return"); 741 else if (r->rule_flag & PFRULE_RETURNRST) { 742 if (!r->return_ttl) 743 printf(" return-rst"); 744 else 745 printf(" return-rst(ttl %d)", r->return_ttl); 746 } else if (r->rule_flag & PFRULE_RETURNICMP) { 747 const struct icmpcodeent *ic, *ic6; 748 749 ic = geticmpcodebynumber(r->return_icmp >> 8, 750 r->return_icmp & 255, AF_INET); 751 ic6 = geticmpcodebynumber(r->return_icmp6 >> 8, 752 r->return_icmp6 & 255, AF_INET6); 753 754 switch (r->af) { 755 case AF_INET: 756 printf(" return-icmp"); 757 if (ic == NULL) 758 printf("(%u)", r->return_icmp & 255); 759 else 760 printf("(%s)", ic->name); 761 break; 762 case AF_INET6: 763 printf(" return-icmp6"); 764 if (ic6 == NULL) 765 printf("(%u)", r->return_icmp6 & 255); 766 else 767 printf("(%s)", ic6->name); 768 break; 769 default: 770 printf(" return-icmp"); 771 if (ic == NULL) 772 printf("(%u, ", r->return_icmp & 255); 773 else 774 printf("(%s, ", ic->name); 775 if (ic6 == NULL) 776 printf("%u)", r->return_icmp6 & 255); 777 else 778 printf("%s)", ic6->name); 779 break; 780 } 781 } else 782 printf(" drop"); 783 } 784 if (r->direction == PF_IN) 785 printf(" in"); 786 else if (r->direction == PF_OUT) 787 printf(" out"); 788 if (r->log) { 789 printf(" log"); 790 if (r->log & ~PF_LOG || r->logif) { 791 int count = 0; 792 793 printf(" ("); 794 if (r->log & PF_LOG_ALL) 795 printf("%sall", count++ ? ", " : ""); 796 if (r->log & PF_LOG_MATCHES) 797 printf("%smatches", count++ ? ", " : ""); 798 if (r->log & PF_LOG_SOCKET_LOOKUP) 799 printf("%suser", count++ ? ", " : ""); 800 if (r->logif) 801 printf("%sto pflog%u", count++ ? ", " : "", 802 r->logif); 803 printf(")"); 804 } 805 } 806 if (r->quick) 807 printf(" quick"); 808 if (r->ifname[0]) { 809 if (r->ifnot) 810 printf(" on ! %s", r->ifname); 811 else 812 printf(" on %s", r->ifname); 813 } 814 if (r->onrdomain >= 0) { 815 if (r->ifnot) 816 printf(" on ! rdomain %d", r->onrdomain); 817 else 818 printf(" on rdomain %d", r->onrdomain); 819 } 820 if (r->af) { 821 if (r->af == AF_INET) 822 printf(" inet"); 823 else 824 printf(" inet6"); 825 } 826 if (r->proto) { 827 struct protoent *p; 828 829 if ((p = getprotobynumber(r->proto)) != NULL) 830 printf(" proto %s", p->p_name); 831 else 832 printf(" proto %u", r->proto); 833 } 834 print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto, 835 opts); 836 if (r->rcv_ifname[0]) 837 printf(" %sreceived-on %s", r->rcvifnot ? "!" : "", 838 r->rcv_ifname); 839 if (r->uid.op) 840 print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user", 841 UID_MAX); 842 if (r->gid.op) 843 print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group", 844 GID_MAX); 845 if (r->flags || r->flagset) { 846 printf(" flags "); 847 print_flags(r->flags); 848 printf("/"); 849 print_flags(r->flagset); 850 } else if ((r->action == PF_PASS || r->action == PF_MATCH) && 851 (!r->proto || r->proto == IPPROTO_TCP) && 852 !(r->rule_flag & PFRULE_FRAGMENT) && 853 !anchor_call[0] && r->keep_state) 854 printf(" flags any"); 855 if (r->type) { 856 const struct icmptypeent *it; 857 858 it = geticmptypebynumber(r->type-1, r->af); 859 if (r->af != AF_INET6) 860 printf(" icmp-type"); 861 else 862 printf(" icmp6-type"); 863 if (it != NULL) 864 printf(" %s", it->name); 865 else 866 printf(" %u", r->type-1); 867 if (r->code) { 868 const struct icmpcodeent *ic; 869 870 ic = geticmpcodebynumber(r->type-1, r->code-1, r->af); 871 if (ic != NULL) 872 printf(" code %s", ic->name); 873 else 874 printf(" code %u", r->code-1); 875 } 876 } 877 if (r->tos) 878 printf(" tos 0x%2.2x", r->tos); 879 if (r->prio) 880 printf(" prio %u", r->prio == PF_PRIO_ZERO ? 0 : r->prio); 881 if (r->pktrate.limit) 882 printf(" max-pkt-rate %u/%u", r->pktrate.limit, 883 r->pktrate.seconds); 884 885 if (r->scrub_flags & PFSTATE_SETMASK || r->qname[0] || 886 r->rule_flag & PFRULE_SETDELAY) { 887 char *comma = ""; 888 printf(" set ("); 889 if (r->scrub_flags & PFSTATE_SETPRIO) { 890 if (r->set_prio[0] == r->set_prio[1]) 891 printf("%sprio %u", comma, r->set_prio[0]); 892 else 893 printf("%sprio(%u, %u)", comma, r->set_prio[0], 894 r->set_prio[1]); 895 comma = ", "; 896 } 897 if (r->qname[0]) { 898 if (r->pqname[0]) 899 printf("%squeue(%s, %s)", comma, r->qname, 900 r->pqname); 901 else 902 printf("%squeue %s", comma, r->qname); 903 comma = ", "; 904 } 905 if (r->scrub_flags & PFSTATE_SETTOS) { 906 printf("%stos 0x%2.2x", comma, r->set_tos); 907 comma = ", "; 908 } 909 if (r->rule_flag & PFRULE_SETDELAY) { 910 printf("%sdelay %u", comma, r->delay); 911 comma = ", "; 912 } 913 printf(")"); 914 } 915 916 ropts = 0; 917 if (r->max_states || r->max_src_nodes || r->max_src_states) 918 ropts = 1; 919 if (r->rule_flag & PFRULE_NOSYNC) 920 ropts = 1; 921 if (r->rule_flag & PFRULE_SRCTRACK) 922 ropts = 1; 923 if (r->rule_flag & PFRULE_IFBOUND) 924 ropts = 1; 925 if (r->rule_flag & PFRULE_STATESLOPPY) 926 ropts = 1; 927 if (r->rule_flag & PFRULE_PFLOW) 928 ropts = 1; 929 for (i = 0; !ropts && i < PFTM_MAX; ++i) 930 if (r->timeout[i]) 931 ropts = 1; 932 933 if (!r->keep_state && r->action == PF_PASS && !anchor_call[0]) 934 printf(" no state"); 935 else if (r->keep_state == PF_STATE_NORMAL && ropts) 936 printf(" keep state"); 937 else if (r->keep_state == PF_STATE_MODULATE) 938 printf(" modulate state"); 939 else if (r->keep_state == PF_STATE_SYNPROXY) 940 printf(" synproxy state"); 941 if (r->prob) { 942 char buf[20]; 943 944 snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0)); 945 for (i = strlen(buf)-1; i > 0; i--) { 946 if (buf[i] == '0') 947 buf[i] = '\0'; 948 else { 949 if (buf[i] == '.') 950 buf[i] = '\0'; 951 break; 952 } 953 } 954 printf(" probability %s%%", buf); 955 } 956 if (ropts) { 957 printf(" ("); 958 if (r->max_states) { 959 printf("max %u", r->max_states); 960 ropts = 0; 961 } 962 if (r->rule_flag & PFRULE_NOSYNC) { 963 if (!ropts) 964 printf(", "); 965 printf("no-sync"); 966 ropts = 0; 967 } 968 if (r->rule_flag & PFRULE_SRCTRACK) { 969 if (!ropts) 970 printf(", "); 971 printf("source-track"); 972 if (r->rule_flag & PFRULE_RULESRCTRACK) 973 printf(" rule"); 974 else 975 printf(" global"); 976 ropts = 0; 977 } 978 if (r->max_src_states) { 979 if (!ropts) 980 printf(", "); 981 printf("max-src-states %u", r->max_src_states); 982 ropts = 0; 983 } 984 if (r->max_src_conn) { 985 if (!ropts) 986 printf(", "); 987 printf("max-src-conn %u", r->max_src_conn); 988 ropts = 0; 989 } 990 if (r->max_src_conn_rate.limit) { 991 if (!ropts) 992 printf(", "); 993 printf("max-src-conn-rate %u/%u", 994 r->max_src_conn_rate.limit, 995 r->max_src_conn_rate.seconds); 996 ropts = 0; 997 } 998 if (r->max_src_nodes) { 999 if (!ropts) 1000 printf(", "); 1001 printf("max-src-nodes %u", r->max_src_nodes); 1002 ropts = 0; 1003 } 1004 if (r->overload_tblname[0]) { 1005 if (!ropts) 1006 printf(", "); 1007 printf("overload <%s>", r->overload_tblname); 1008 if (r->flush) 1009 printf(" flush"); 1010 if (r->flush & PF_FLUSH_GLOBAL) 1011 printf(" global"); 1012 } 1013 if (r->rule_flag & PFRULE_IFBOUND) { 1014 if (!ropts) 1015 printf(", "); 1016 printf("if-bound"); 1017 ropts = 0; 1018 } 1019 if (r->rule_flag & PFRULE_STATESLOPPY) { 1020 if (!ropts) 1021 printf(", "); 1022 printf("sloppy"); 1023 ropts = 0; 1024 } 1025 if (r->rule_flag & PFRULE_PFLOW) { 1026 if (!ropts) 1027 printf(", "); 1028 printf("pflow"); 1029 ropts = 0; 1030 } 1031 for (i = 0; i < PFTM_MAX; ++i) 1032 if (r->timeout[i]) { 1033 int j; 1034 1035 if (!ropts) 1036 printf(", "); 1037 ropts = 0; 1038 for (j = 0; pf_timeouts[j].name != NULL; 1039 ++j) 1040 if (pf_timeouts[j].timeout == i) 1041 break; 1042 printf("%s %u", pf_timeouts[j].name == NULL ? 1043 "inv.timeout" : pf_timeouts[j].name, 1044 r->timeout[i]); 1045 } 1046 printf(")"); 1047 } 1048 1049 if (r->rule_flag & PFRULE_FRAGMENT) 1050 printf(" fragment"); 1051 1052 if (r->scrub_flags & PFSTATE_SCRUBMASK || r->min_ttl || r->max_mss) { 1053 printf(" scrub ("); 1054 ropts = 1; 1055 if (r->scrub_flags & PFSTATE_NODF) { 1056 printf("no-df"); 1057 ropts = 0; 1058 } 1059 if (r->scrub_flags & PFSTATE_RANDOMID) { 1060 if (!ropts) 1061 printf(" "); 1062 printf("random-id"); 1063 ropts = 0; 1064 } 1065 if (r->min_ttl) { 1066 if (!ropts) 1067 printf(" "); 1068 printf("min-ttl %d", r->min_ttl); 1069 ropts = 0; 1070 } 1071 if (r->scrub_flags & PFSTATE_SCRUB_TCP) { 1072 if (!ropts) 1073 printf(" "); 1074 printf("reassemble tcp"); 1075 ropts = 0; 1076 } 1077 if (r->max_mss) { 1078 if (!ropts) 1079 printf(" "); 1080 printf("max-mss %d", r->max_mss); 1081 ropts = 0; 1082 } 1083 printf(")"); 1084 } 1085 1086 if (r->allow_opts) 1087 printf(" allow-opts"); 1088 if (r->label[0]) 1089 printf(" label \"%s\"", r->label); 1090 if (r->rule_flag & PFRULE_ONCE) 1091 printf(" once"); 1092 if (r->tagname[0]) 1093 printf(" tag %s", r->tagname); 1094 if (r->match_tagname[0]) { 1095 if (r->match_tag_not) 1096 printf(" !"); 1097 printf(" tagged %s", r->match_tagname); 1098 } 1099 if (r->rtableid != -1) 1100 printf(" rtable %u", r->rtableid); 1101 switch (r->divert.type) { 1102 case PF_DIVERT_NONE: 1103 break; 1104 case PF_DIVERT_TO: { 1105 printf(" divert-to "); 1106 print_addr_str(r->af, &r->divert.addr); 1107 printf(" port %u", ntohs(r->divert.port)); 1108 break; 1109 } 1110 case PF_DIVERT_REPLY: 1111 printf(" divert-reply"); 1112 break; 1113 case PF_DIVERT_PACKET: 1114 printf(" divert-packet port %u", ntohs(r->divert.port)); 1115 break; 1116 default: 1117 printf(" divert ???"); 1118 break; 1119 } 1120 1121 if (!anchor_call[0] && r->nat.addr.type != PF_ADDR_NONE && 1122 r->rule_flag & PFRULE_AFTO) { 1123 printf(" af-to %s from ", r->naf == AF_INET ? "inet" : "inet6"); 1124 print_pool(&r->nat, r->nat.proxy_port[0], 1125 r->nat.proxy_port[1], r->naf ? r->naf : r->af, 1126 PF_POOL_NAT, verbose); 1127 if (r->rdr.addr.type != PF_ADDR_NONE) { 1128 printf(" to "); 1129 print_pool(&r->rdr, r->rdr.proxy_port[0], 1130 r->rdr.proxy_port[1], r->naf ? r->naf : r->af, 1131 PF_POOL_RDR, verbose); 1132 } 1133 } else if (!anchor_call[0] && r->nat.addr.type != PF_ADDR_NONE) { 1134 printf (" nat-to "); 1135 print_pool(&r->nat, r->nat.proxy_port[0], 1136 r->nat.proxy_port[1], r->naf ? r->naf : r->af, 1137 PF_POOL_NAT, verbose); 1138 } else if (!anchor_call[0] && r->rdr.addr.type != PF_ADDR_NONE) { 1139 printf (" rdr-to "); 1140 print_pool(&r->rdr, r->rdr.proxy_port[0], 1141 r->rdr.proxy_port[1], r->af, PF_POOL_RDR, verbose); 1142 } 1143 if (r->rt) { 1144 if (r->rt == PF_ROUTETO) 1145 printf(" route-to"); 1146 else if (r->rt == PF_REPLYTO) 1147 printf(" reply-to"); 1148 else if (r->rt == PF_DUPTO) 1149 printf(" dup-to"); 1150 printf(" "); 1151 print_pool(&r->route, 0, 0, r->af, PF_POOL_ROUTE, verbose); 1152 } 1153 } 1154 1155 void 1156 print_tabledef(const char *name, int flags, int addrs, 1157 struct node_tinithead *nodes) 1158 { 1159 struct node_tinit *ti, *nti; 1160 struct node_host *h; 1161 1162 printf("table <%s>", name); 1163 if (flags & PFR_TFLAG_CONST) 1164 printf(" const"); 1165 if (flags & PFR_TFLAG_PERSIST) 1166 printf(" persist"); 1167 if (flags & PFR_TFLAG_COUNTERS) 1168 printf(" counters"); 1169 SIMPLEQ_FOREACH(ti, nodes, entries) { 1170 if (ti->file) { 1171 printf(" file \"%s\"", ti->file); 1172 continue; 1173 } 1174 printf(" {"); 1175 for (;;) { 1176 for (h = ti->host; h != NULL; h = h->next) { 1177 printf(h->not ? " !" : " "); 1178 print_addr(&h->addr, h->af, 0); 1179 if (h->ifname) 1180 printf("@%s", h->ifname); 1181 } 1182 nti = SIMPLEQ_NEXT(ti, entries); 1183 if (nti != NULL && nti->file == NULL) 1184 ti = nti; /* merge lists */ 1185 else 1186 break; 1187 } 1188 printf(" }"); 1189 } 1190 if (addrs && SIMPLEQ_EMPTY(nodes)) 1191 printf(" { }"); 1192 printf("\n"); 1193 } 1194 1195 void 1196 print_bwspec(const char *prefix, struct pf_queue_bwspec *bw) 1197 { 1198 u_int rate; 1199 int i; 1200 static const char unit[] = " KMG"; 1201 1202 if (bw->percent) 1203 printf("%s%u%%", prefix, bw->percent); 1204 else if (bw->absolute) { 1205 rate = bw->absolute; 1206 for (i = 0; rate >= 1000 && i <= 3 && (rate % 1000 == 0); i++) 1207 rate /= 1000; 1208 printf("%s%u%c", prefix, rate, unit[i]); 1209 } 1210 } 1211 1212 void 1213 print_scspec(const char *prefix, struct pf_queue_scspec *sc) 1214 { 1215 print_bwspec(prefix, &sc->m2); 1216 if (sc->d) { 1217 printf(" burst "); 1218 print_bwspec("", &sc->m1); 1219 printf(" for %ums", sc->d); 1220 } 1221 } 1222 1223 void 1224 print_queuespec(struct pf_queuespec *q) 1225 { 1226 printf("queue %s", q->qname); 1227 if (q->parent[0]) 1228 printf(" parent %s", q->parent); 1229 else if (q->ifname[0]) 1230 printf(" on %s", q->ifname); 1231 if (q->flags & PFQS_FLOWQUEUE) { 1232 printf(" flows %u", q->flowqueue.flows); 1233 if (q->flowqueue.quantum > 0) 1234 printf(" quantum %u", q->flowqueue.quantum); 1235 if (q->flowqueue.interval > 0) 1236 printf(" interval %ums", 1237 q->flowqueue.interval / 1000000); 1238 if (q->flowqueue.target > 0) 1239 printf(" target %ums", 1240 q->flowqueue.target / 1000000); 1241 } 1242 if (q->linkshare.m1.absolute || q->linkshare.m2.absolute) { 1243 print_scspec(" bandwidth ", &q->linkshare); 1244 print_scspec(", min ", &q->realtime); 1245 print_scspec(", max ", &q->upperlimit); 1246 } 1247 if (q->flags & PFQS_DEFAULT) 1248 printf(" default"); 1249 if (q->qlimit) 1250 printf(" qlimit %u", q->qlimit); 1251 printf("\n"); 1252 } 1253 1254 int 1255 parse_flags(char *s) 1256 { 1257 char *p, *q; 1258 u_int8_t f = 0; 1259 1260 for (p = s; *p; p++) { 1261 if ((q = strchr(tcpflags, *p)) == NULL) 1262 return -1; 1263 else 1264 f |= 1 << (q - tcpflags); 1265 } 1266 return (f ? f : PF_TH_ALL); 1267 } 1268 1269 void 1270 set_ipmask(struct node_host *h, int bb) 1271 { 1272 struct pf_addr *m, *n; 1273 int i, j = 0; 1274 u_int8_t b; 1275 1276 m = &h->addr.v.a.mask; 1277 memset(m, 0, sizeof(*m)); 1278 1279 if (bb == -1) 1280 b = h->af == AF_INET ? 32 : 128; 1281 else 1282 b = bb; 1283 1284 while (b >= 32) { 1285 m->addr32[j++] = 0xffffffff; 1286 b -= 32; 1287 } 1288 for (i = 31; i > 31-b; --i) 1289 m->addr32[j] |= (1 << i); 1290 if (b) 1291 m->addr32[j] = htonl(m->addr32[j]); 1292 1293 /* Mask off bits of the address that will never be used. */ 1294 n = &h->addr.v.a.addr; 1295 if (h->addr.type == PF_ADDR_ADDRMASK) 1296 for (i = 0; i < 4; i++) 1297 n->addr32[i] = n->addr32[i] & m->addr32[i]; 1298 } 1299 1300 int 1301 check_netmask(struct node_host *h, sa_family_t af) 1302 { 1303 struct node_host *n = NULL; 1304 struct pf_addr *m; 1305 1306 for (n = h; n != NULL; n = n->next) { 1307 if (h->addr.type == PF_ADDR_TABLE) 1308 continue; 1309 m = &h->addr.v.a.mask; 1310 /* netmasks > 32 bit are invalid on v4 */ 1311 if (af == AF_INET && 1312 (m->addr32[1] || m->addr32[2] || m->addr32[3])) { 1313 fprintf(stderr, "netmask %u invalid for IPv4 address\n", 1314 unmask(m)); 1315 return (1); 1316 } 1317 } 1318 return (0); 1319 } 1320 1321 struct node_host * 1322 gen_dynnode(struct node_host *h, sa_family_t af) 1323 { 1324 struct node_host *n; 1325 1326 if (h->addr.type != PF_ADDR_DYNIFTL) 1327 return (NULL); 1328 1329 if ((n = calloc(1, sizeof(*n))) == NULL) 1330 return (NULL); 1331 bcopy(h, n, sizeof(*n)); 1332 n->ifname = NULL; 1333 n->next = NULL; 1334 n->tail = NULL; 1335 1336 /* fix up netmask */ 1337 if (af == AF_INET && unmask(&n->addr.v.a.mask) > 32) 1338 set_ipmask(n, 32); 1339 1340 return (n); 1341 } 1342 1343 /* interface lookup routines */ 1344 1345 struct node_host *iftab; 1346 1347 void 1348 ifa_load(void) 1349 { 1350 struct ifaddrs *ifap, *ifa; 1351 struct node_host *n = NULL, *h = NULL; 1352 1353 if (getifaddrs(&ifap) < 0) 1354 err(1, "getifaddrs"); 1355 1356 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1357 if (!(ifa->ifa_addr->sa_family == AF_INET || 1358 ifa->ifa_addr->sa_family == AF_INET6 || 1359 ifa->ifa_addr->sa_family == AF_LINK)) 1360 continue; 1361 n = calloc(1, sizeof(struct node_host)); 1362 if (n == NULL) 1363 err(1, "%s: calloc", __func__); 1364 n->af = ifa->ifa_addr->sa_family; 1365 n->ifa_flags = ifa->ifa_flags; 1366 #ifdef __KAME__ 1367 if (n->af == AF_INET6 && 1368 IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *) 1369 ifa->ifa_addr)->sin6_addr) && 1370 ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id == 1371 0) { 1372 struct sockaddr_in6 *sin6; 1373 1374 sin6 = (struct sockaddr_in6 *)ifa->ifa_addr; 1375 sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 | 1376 sin6->sin6_addr.s6_addr[3]; 1377 sin6->sin6_addr.s6_addr[2] = 0; 1378 sin6->sin6_addr.s6_addr[3] = 0; 1379 } 1380 #endif 1381 n->ifindex = 0; 1382 if (n->af == AF_LINK) 1383 n->ifindex = ((struct sockaddr_dl *) 1384 ifa->ifa_addr)->sdl_index; 1385 else { 1386 copy_satopfaddr(&n->addr.v.a.addr, ifa->ifa_addr); 1387 ifa->ifa_netmask->sa_family = ifa->ifa_addr->sa_family; 1388 copy_satopfaddr(&n->addr.v.a.mask, ifa->ifa_netmask); 1389 if (ifa->ifa_broadaddr != NULL) { 1390 ifa->ifa_broadaddr->sa_family = ifa->ifa_addr->sa_family; 1391 copy_satopfaddr(&n->bcast, ifa->ifa_broadaddr); 1392 } 1393 if (ifa->ifa_dstaddr != NULL) { 1394 ifa->ifa_dstaddr->sa_family = ifa->ifa_addr->sa_family; 1395 copy_satopfaddr(&n->peer, ifa->ifa_dstaddr); 1396 } 1397 if (n->af == AF_INET6) 1398 n->ifindex = ((struct sockaddr_in6 *) 1399 ifa->ifa_addr)->sin6_scope_id; 1400 } 1401 if ((n->ifname = strdup(ifa->ifa_name)) == NULL) 1402 err(1, "%s: strdup", __func__); 1403 n->next = NULL; 1404 n->tail = n; 1405 if (h == NULL) 1406 h = n; 1407 else { 1408 h->tail->next = n; 1409 h->tail = n; 1410 } 1411 } 1412 1413 iftab = h; 1414 freeifaddrs(ifap); 1415 } 1416 1417 unsigned int 1418 ifa_nametoindex(const char *ifa_name) 1419 { 1420 struct node_host *p; 1421 1422 for (p = iftab; p; p = p->next) { 1423 if (p->af == AF_LINK && strcmp(p->ifname, ifa_name) == 0) 1424 return (p->ifindex); 1425 } 1426 errno = ENXIO; 1427 return (0); 1428 } 1429 1430 char * 1431 ifa_indextoname(unsigned int ifindex, char *ifa_name) 1432 { 1433 struct node_host *p; 1434 1435 for (p = iftab; p; p = p->next) { 1436 if (p->af == AF_LINK && ifindex == p->ifindex) { 1437 strlcpy(ifa_name, p->ifname, IFNAMSIZ); 1438 return (ifa_name); 1439 } 1440 } 1441 errno = ENXIO; 1442 return (NULL); 1443 } 1444 1445 struct node_host * 1446 ifa_exists(const char *ifa_name) 1447 { 1448 struct node_host *n; 1449 struct ifgroupreq ifgr; 1450 int s; 1451 1452 if (iftab == NULL) 1453 ifa_load(); 1454 1455 /* check whether this is a group */ 1456 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 1457 err(1, "socket"); 1458 bzero(&ifgr, sizeof(ifgr)); 1459 strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 1460 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == 0) { 1461 /* fake a node_host */ 1462 if ((n = calloc(1, sizeof(*n))) == NULL) 1463 err(1, "calloc"); 1464 if ((n->ifname = strdup(ifa_name)) == NULL) 1465 err(1, "strdup"); 1466 close(s); 1467 return (n); 1468 } 1469 close(s); 1470 1471 for (n = iftab; n; n = n->next) { 1472 if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ)) 1473 return (n); 1474 } 1475 1476 return (NULL); 1477 } 1478 1479 struct node_host * 1480 ifa_grouplookup(const char *ifa_name, int flags) 1481 { 1482 struct ifg_req *ifg; 1483 struct ifgroupreq ifgr; 1484 int s, len; 1485 struct node_host *n, *h = NULL; 1486 1487 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 1488 err(1, "socket"); 1489 bzero(&ifgr, sizeof(ifgr)); 1490 strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 1491 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) { 1492 close(s); 1493 return (NULL); 1494 } 1495 1496 len = ifgr.ifgr_len; 1497 if ((ifgr.ifgr_groups = calloc(1, len)) == NULL) 1498 err(1, "calloc"); 1499 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) 1500 err(1, "SIOCGIFGMEMB"); 1501 1502 for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(struct ifg_req); 1503 ifg++) { 1504 len -= sizeof(struct ifg_req); 1505 if ((n = ifa_lookup(ifg->ifgrq_member, flags)) == NULL) 1506 continue; 1507 if (h == NULL) 1508 h = n; 1509 else { 1510 h->tail->next = n; 1511 h->tail = n->tail; 1512 } 1513 } 1514 free(ifgr.ifgr_groups); 1515 close(s); 1516 1517 return (h); 1518 } 1519 1520 struct node_host * 1521 ifa_lookup(const char *ifa_name, int flags) 1522 { 1523 struct node_host *p = NULL, *h = NULL, *n = NULL; 1524 int got4 = 0, got6 = 0; 1525 const char *last_if = NULL; 1526 1527 if ((h = ifa_grouplookup(ifa_name, flags)) != NULL) 1528 return (h); 1529 1530 if (!strncmp(ifa_name, "self", IFNAMSIZ)) 1531 ifa_name = NULL; 1532 1533 if (iftab == NULL) 1534 ifa_load(); 1535 1536 for (p = iftab; p; p = p->next) { 1537 if (ifa_skip_if(ifa_name, p)) 1538 continue; 1539 if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET) 1540 continue; 1541 if ((flags & PFI_AFLAG_BROADCAST) && 1542 !(p->ifa_flags & IFF_BROADCAST)) 1543 continue; 1544 if ((flags & PFI_AFLAG_BROADCAST) && p->bcast.v4.s_addr == 0) 1545 continue; 1546 if ((flags & PFI_AFLAG_PEER) && 1547 !(p->ifa_flags & IFF_POINTOPOINT)) 1548 continue; 1549 if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0) 1550 continue; 1551 if (last_if == NULL || strcmp(last_if, p->ifname)) 1552 got4 = got6 = 0; 1553 last_if = p->ifname; 1554 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4) 1555 continue; 1556 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6) 1557 continue; 1558 if (p->af == AF_INET) 1559 got4 = 1; 1560 else 1561 got6 = 1; 1562 n = calloc(1, sizeof(struct node_host)); 1563 if (n == NULL) 1564 err(1, "%s: calloc", __func__); 1565 n->af = p->af; 1566 if (flags & PFI_AFLAG_BROADCAST) 1567 memcpy(&n->addr.v.a.addr, &p->bcast, 1568 sizeof(struct pf_addr)); 1569 else if (flags & PFI_AFLAG_PEER) 1570 memcpy(&n->addr.v.a.addr, &p->peer, 1571 sizeof(struct pf_addr)); 1572 else 1573 memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr, 1574 sizeof(struct pf_addr)); 1575 if (flags & PFI_AFLAG_NETWORK) 1576 set_ipmask(n, unmask(&p->addr.v.a.mask)); 1577 else 1578 set_ipmask(n, -1); 1579 n->ifindex = p->ifindex; 1580 1581 n->next = NULL; 1582 n->tail = n; 1583 if (h == NULL) 1584 h = n; 1585 else { 1586 h->tail->next = n; 1587 h->tail = n; 1588 } 1589 } 1590 return (h); 1591 } 1592 1593 int 1594 ifa_skip_if(const char *filter, struct node_host *p) 1595 { 1596 int n; 1597 1598 if (p->af != AF_INET && p->af != AF_INET6) 1599 return (1); 1600 if (filter == NULL || !*filter) 1601 return (0); 1602 if (!strcmp(p->ifname, filter)) 1603 return (0); /* exact match */ 1604 n = strlen(filter); 1605 if (n < 1 || n >= IFNAMSIZ) 1606 return (1); /* sanity check */ 1607 if (filter[n-1] >= '0' && filter[n-1] <= '9') 1608 return (1); /* only do exact match in that case */ 1609 if (strncmp(p->ifname, filter, n)) 1610 return (1); /* prefix doesn't match */ 1611 return (p->ifname[n] < '0' || p->ifname[n] > '9'); 1612 } 1613 1614 struct node_host * 1615 host(const char *s, int opts) 1616 { 1617 struct node_host *h = NULL, *n; 1618 int mask = -1; 1619 char *p, *ps, *if_name; 1620 const char *errstr; 1621 1622 if ((ps = strdup(s)) == NULL) 1623 err(1, "%s: strdup", __func__); 1624 1625 if ((if_name = strrchr(ps, '@')) != NULL) { 1626 if_name[0] = '\0'; 1627 if_name++; 1628 } 1629 1630 if ((p = strchr(ps, '/')) != NULL) { 1631 mask = strtonum(p+1, 0, 128, &errstr); 1632 if (errstr) { 1633 fprintf(stderr, "netmask is %s: %s\n", errstr, p); 1634 goto error; 1635 } 1636 p[0] = '\0'; 1637 } 1638 1639 if ((h = host_if(ps, mask)) == NULL && 1640 (h = host_ip(ps, mask)) == NULL && 1641 (h = host_dns(ps, mask, (opts & PF_OPT_NODNS))) == NULL) { 1642 fprintf(stderr, "no IP address found for %s\n", s); 1643 goto error; 1644 } 1645 1646 if (if_name && if_name[0]) 1647 for (n = h; n != NULL; n = n->next) 1648 if ((n->ifname = strdup(if_name)) == NULL) 1649 err(1, "%s: strdup", __func__); 1650 for (n = h; n != NULL; n = n->next) { 1651 n->addr.type = PF_ADDR_ADDRMASK; 1652 n->weight = 0; 1653 } 1654 1655 error: 1656 free(ps); 1657 return (h); 1658 } 1659 1660 struct node_host * 1661 host_if(const char *s, int mask) 1662 { 1663 struct node_host *n, *h = NULL; 1664 char *p, *ps; 1665 int flags = 0; 1666 1667 if ((ps = strdup(s)) == NULL) 1668 err(1, "host_if: strdup"); 1669 while ((p = strrchr(ps, ':')) != NULL) { 1670 if (!strcmp(p+1, "network")) 1671 flags |= PFI_AFLAG_NETWORK; 1672 else if (!strcmp(p+1, "broadcast")) 1673 flags |= PFI_AFLAG_BROADCAST; 1674 else if (!strcmp(p+1, "peer")) 1675 flags |= PFI_AFLAG_PEER; 1676 else if (!strcmp(p+1, "0")) 1677 flags |= PFI_AFLAG_NOALIAS; 1678 else 1679 goto error; 1680 *p = '\0'; 1681 } 1682 if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */ 1683 fprintf(stderr, "illegal combination of interface modifiers\n"); 1684 goto error; 1685 } 1686 if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) { 1687 fprintf(stderr, "network or broadcast lookup, but " 1688 "extra netmask given\n"); 1689 goto error; 1690 } 1691 if (ifa_exists(ps) || !strncmp(ps, "self", IFNAMSIZ)) { 1692 /* interface with this name exists */ 1693 h = ifa_lookup(ps, flags); 1694 if (mask > -1) 1695 for (n = h; n != NULL; n = n->next) 1696 set_ipmask(n, mask); 1697 } 1698 1699 error: 1700 free(ps); 1701 return (h); 1702 } 1703 1704 struct node_host * 1705 host_ip(const char *s, int mask) 1706 { 1707 struct addrinfo hints, *res; 1708 struct node_host *h = NULL; 1709 1710 memset(&hints, 0, sizeof(hints)); 1711 hints.ai_family = AF_UNSPEC; 1712 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 1713 hints.ai_flags = AI_NUMERICHOST; 1714 if (getaddrinfo(s, NULL, &hints, &res) == 0) { 1715 h = calloc(1, sizeof(*h)); 1716 if (h == NULL) 1717 err(1, "%s: calloc", __func__); 1718 h->af = res->ai_family; 1719 copy_satopfaddr(&h->addr.v.a.addr, res->ai_addr); 1720 if (h->af == AF_INET6) 1721 h->ifindex = 1722 ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 1723 freeaddrinfo(res); 1724 } else { /* ie. for 10/8 parsing */ 1725 if (mask == -1) 1726 return (NULL); 1727 h = calloc(1, sizeof(*h)); 1728 if (h == NULL) 1729 err(1, "%s: calloc", __func__); 1730 h->af = AF_INET; 1731 if (inet_net_pton(AF_INET, s, &h->addr.v.a.addr.v4, 1732 sizeof(h->addr.v.a.addr.v4)) == -1) { 1733 free(h); 1734 return (NULL); 1735 } 1736 } 1737 set_ipmask(h, mask); 1738 h->ifname = NULL; 1739 h->next = NULL; 1740 h->tail = h; 1741 1742 return (h); 1743 } 1744 1745 struct node_host * 1746 host_dns(const char *s, int mask, int numeric) 1747 { 1748 struct addrinfo hints, *res0, *res; 1749 struct node_host *n, *h = NULL; 1750 int noalias = 0, got4 = 0, got6 = 0; 1751 char *p, *ps; 1752 1753 if ((ps = strdup(s)) == NULL) 1754 err(1, "host_dns: strdup"); 1755 if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) { 1756 noalias = 1; 1757 *p = '\0'; 1758 } 1759 memset(&hints, 0, sizeof(hints)); 1760 hints.ai_family = PF_UNSPEC; 1761 hints.ai_socktype = SOCK_STREAM; /* DUMMY */ 1762 if (numeric) 1763 hints.ai_flags = AI_NUMERICHOST; 1764 if (getaddrinfo(ps, NULL, &hints, &res0) != 0) 1765 goto error; 1766 1767 for (res = res0; res; res = res->ai_next) { 1768 if (res->ai_family != AF_INET && 1769 res->ai_family != AF_INET6) 1770 continue; 1771 if (noalias) { 1772 if (res->ai_family == AF_INET) { 1773 if (got4) 1774 continue; 1775 got4 = 1; 1776 } else { 1777 if (got6) 1778 continue; 1779 got6 = 1; 1780 } 1781 } 1782 n = calloc(1, sizeof(struct node_host)); 1783 if (n == NULL) 1784 err(1, "host_dns: calloc"); 1785 n->ifname = NULL; 1786 n->af = res->ai_family; 1787 copy_satopfaddr(&n->addr.v.a.addr, res->ai_addr); 1788 if (res->ai_family == AF_INET6) 1789 n->ifindex = 1790 ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 1791 set_ipmask(n, mask); 1792 n->next = NULL; 1793 n->tail = n; 1794 if (h == NULL) 1795 h = n; 1796 else { 1797 h->tail->next = n; 1798 h->tail = n; 1799 } 1800 } 1801 freeaddrinfo(res0); 1802 error: 1803 free(ps); 1804 1805 return (h); 1806 } 1807 1808 /* 1809 * convert a hostname to a list of addresses and put them in the given buffer. 1810 * test: 1811 * if set to 1, only simple addresses are accepted (no netblock, no "!"). 1812 */ 1813 int 1814 append_addr(struct pfr_buffer *b, char *s, int test, int opts) 1815 { 1816 static int previous = 0; 1817 static int expect = 0; 1818 struct pfr_addr *a; 1819 struct node_host *h, *n; 1820 char *r; 1821 const char *errstr; 1822 int rv, not = 0, i = 0; 1823 u_int16_t weight; 1824 1825 /* skip weight if given */ 1826 if (strcmp(s, "weight") == 0) { 1827 expect = 1; 1828 return (1); /* expecting further call */ 1829 } 1830 1831 /* check if previous host is set */ 1832 if (expect) { 1833 /* parse and append load balancing weight */ 1834 weight = strtonum(s, 1, USHRT_MAX, &errstr); 1835 if (errstr) { 1836 fprintf(stderr, "failed to convert weight %s\n", s); 1837 return (-1); 1838 } 1839 if (previous != -1) { 1840 PFRB_FOREACH(a, b) { 1841 if (++i >= previous) { 1842 a->pfra_weight = weight; 1843 a->pfra_type = PFRKE_COST; 1844 } 1845 } 1846 } 1847 1848 expect = 0; 1849 return (0); 1850 } 1851 1852 for (r = s; *r == '!'; r++) 1853 not = !not; 1854 if ((n = host(r, opts)) == NULL) { 1855 errno = 0; 1856 return (-1); 1857 } 1858 rv = append_addr_host(b, n, test, not); 1859 previous = b->pfrb_size; 1860 do { 1861 h = n; 1862 n = n->next; 1863 free(h); 1864 } while (n != NULL); 1865 return (rv); 1866 } 1867 1868 /* 1869 * same as previous function, but with a pre-parsed input and the ability 1870 * to "negate" the result. Does not free the node_host list. 1871 * not: 1872 * setting it to 1 is equivalent to adding "!" in front of parameter s. 1873 */ 1874 int 1875 append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not) 1876 { 1877 int bits; 1878 struct pfr_addr addr; 1879 1880 do { 1881 bzero(&addr, sizeof(addr)); 1882 addr.pfra_not = n->not ^ not; 1883 addr.pfra_af = n->af; 1884 addr.pfra_net = unmask(&n->addr.v.a.mask); 1885 if (n->ifname) { 1886 if (strlcpy(addr.pfra_ifname, n->ifname, 1887 sizeof(addr.pfra_ifname)) >= sizeof(addr.pfra_ifname)) 1888 errx(1, "append_addr_host: strlcpy"); 1889 addr.pfra_type = PFRKE_ROUTE; 1890 } 1891 if (n->weight > 0) { 1892 addr.pfra_weight = n->weight; 1893 addr.pfra_type = PFRKE_COST; 1894 } 1895 switch (n->af) { 1896 case AF_INET: 1897 addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0]; 1898 bits = 32; 1899 break; 1900 case AF_INET6: 1901 memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6, 1902 sizeof(struct in6_addr)); 1903 bits = 128; 1904 break; 1905 default: 1906 errno = EINVAL; 1907 return (-1); 1908 } 1909 if ((test && (not || addr.pfra_net != bits)) || 1910 addr.pfra_net > bits) { 1911 errno = EINVAL; 1912 return (-1); 1913 } 1914 if (pfr_buf_add(b, &addr)) 1915 return (-1); 1916 } while ((n = n->next) != NULL); 1917 1918 return (0); 1919 } 1920 1921 int 1922 pfctl_add_trans(struct pfr_buffer *buf, int type, const char *anchor) 1923 { 1924 struct pfioc_trans_e trans; 1925 1926 bzero(&trans, sizeof(trans)); 1927 trans.type = type; 1928 if (strlcpy(trans.anchor, anchor, 1929 sizeof(trans.anchor)) >= sizeof(trans.anchor)) 1930 errx(1, "pfctl_add_trans: strlcpy"); 1931 1932 return pfr_buf_add(buf, &trans); 1933 } 1934 1935 u_int32_t 1936 pfctl_get_ticket(struct pfr_buffer *buf, int type, const char *anchor) 1937 { 1938 struct pfioc_trans_e *p; 1939 1940 PFRB_FOREACH(p, buf) 1941 if (type == p->type && !strcmp(anchor, p->anchor)) 1942 return (p->ticket); 1943 errx(1, "pfctl_get_ticket: assertion failed"); 1944 } 1945 1946 int 1947 pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from) 1948 { 1949 struct pfioc_trans trans; 1950 1951 bzero(&trans, sizeof(trans)); 1952 trans.size = buf->pfrb_size - from; 1953 trans.esize = sizeof(struct pfioc_trans_e); 1954 trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from; 1955 return ioctl(dev, cmd, &trans); 1956 } 1957