1 /* $OpenBSD: pfctl_parser.c,v 1.352 2024/11/12 04:14:51 dlg 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 #ifndef nitems 66 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0])) 67 #endif 68 69 void print_op (u_int8_t, const char *, const char *); 70 void print_port (u_int8_t, u_int16_t, u_int16_t, const char *, int); 71 void print_ugid (u_int8_t, id_t, id_t, const char *); 72 void print_flags (u_int8_t); 73 void print_fromto(struct pf_rule_addr *, pf_osfp_t, 74 struct pf_rule_addr *, u_int8_t, u_int8_t, int); 75 void print_bwspec(const char *index, struct pf_queue_bwspec *); 76 void print_scspec(const char *, struct pf_queue_scspec *); 77 int ifa_skip_if(const char *filter, struct node_host *p); 78 79 struct node_host *ifa_grouplookup(const char *, int); 80 struct node_host *host_if(const char *, int); 81 struct node_host *host_ip(const char *, int); 82 struct node_host *host_dns(const char *, int, int); 83 84 const char *tcpflags = "FSRPAUEW"; 85 86 static const struct icmptypeent icmp_type[] = { 87 { "echoreq", ICMP_ECHO }, 88 { "echorep", ICMP_ECHOREPLY }, 89 { "unreach", ICMP_UNREACH }, 90 { "squench", ICMP_SOURCEQUENCH }, 91 { "redir", ICMP_REDIRECT }, 92 { "althost", ICMP_ALTHOSTADDR }, 93 { "routeradv", ICMP_ROUTERADVERT }, 94 { "routersol", ICMP_ROUTERSOLICIT }, 95 { "timex", ICMP_TIMXCEED }, 96 { "paramprob", ICMP_PARAMPROB }, 97 { "timereq", ICMP_TSTAMP }, 98 { "timerep", ICMP_TSTAMPREPLY }, 99 { "inforeq", ICMP_IREQ }, 100 { "inforep", ICMP_IREQREPLY }, 101 { "maskreq", ICMP_MASKREQ }, 102 { "maskrep", ICMP_MASKREPLY }, 103 { "trace", ICMP_TRACEROUTE }, 104 { "dataconv", ICMP_DATACONVERR }, 105 { "mobredir", ICMP_MOBILE_REDIRECT }, 106 { "ipv6-where", ICMP_IPV6_WHEREAREYOU }, 107 { "ipv6-here", ICMP_IPV6_IAMHERE }, 108 { "mobregreq", ICMP_MOBILE_REGREQUEST }, 109 { "mobregrep", ICMP_MOBILE_REGREPLY }, 110 { "skip", ICMP_SKIP }, 111 { "photuris", ICMP_PHOTURIS } 112 }; 113 114 static const struct icmptypeent icmp6_type[] = { 115 { "unreach", ICMP6_DST_UNREACH }, 116 { "toobig", ICMP6_PACKET_TOO_BIG }, 117 { "timex", ICMP6_TIME_EXCEEDED }, 118 { "paramprob", ICMP6_PARAM_PROB }, 119 { "echoreq", ICMP6_ECHO_REQUEST }, 120 { "echorep", ICMP6_ECHO_REPLY }, 121 { "groupqry", ICMP6_MEMBERSHIP_QUERY }, 122 { "listqry", MLD_LISTENER_QUERY }, 123 { "grouprep", ICMP6_MEMBERSHIP_REPORT }, 124 { "listenrep", MLD_LISTENER_REPORT }, 125 { "groupterm", ICMP6_MEMBERSHIP_REDUCTION }, 126 { "listendone", MLD_LISTENER_DONE }, 127 { "routersol", ND_ROUTER_SOLICIT }, 128 { "routeradv", ND_ROUTER_ADVERT }, 129 { "neighbrsol", ND_NEIGHBOR_SOLICIT }, 130 { "neighbradv", ND_NEIGHBOR_ADVERT }, 131 { "redir", ND_REDIRECT }, 132 { "routrrenum", ICMP6_ROUTER_RENUMBERING }, 133 { "wrureq", ICMP6_WRUREQUEST }, 134 { "wrurep", ICMP6_WRUREPLY }, 135 { "fqdnreq", ICMP6_FQDN_QUERY }, 136 { "fqdnrep", ICMP6_FQDN_REPLY }, 137 { "niqry", ICMP6_NI_QUERY }, 138 { "nirep", ICMP6_NI_REPLY }, 139 { "mtraceresp", MLD_MTRACE_RESP }, 140 { "mtrace", MLD_MTRACE }, 141 { "listenrepv2", MLDV2_LISTENER_REPORT }, 142 }; 143 144 static const struct icmpcodeent icmp_code[] = { 145 { "net-unr", ICMP_UNREACH, ICMP_UNREACH_NET }, 146 { "host-unr", ICMP_UNREACH, ICMP_UNREACH_HOST }, 147 { "proto-unr", ICMP_UNREACH, ICMP_UNREACH_PROTOCOL }, 148 { "port-unr", ICMP_UNREACH, ICMP_UNREACH_PORT }, 149 { "needfrag", ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG }, 150 { "srcfail", ICMP_UNREACH, ICMP_UNREACH_SRCFAIL }, 151 { "net-unk", ICMP_UNREACH, ICMP_UNREACH_NET_UNKNOWN }, 152 { "host-unk", ICMP_UNREACH, ICMP_UNREACH_HOST_UNKNOWN }, 153 { "isolate", ICMP_UNREACH, ICMP_UNREACH_ISOLATED }, 154 { "net-prohib", ICMP_UNREACH, ICMP_UNREACH_NET_PROHIB }, 155 { "host-prohib", ICMP_UNREACH, ICMP_UNREACH_HOST_PROHIB }, 156 { "net-tos", ICMP_UNREACH, ICMP_UNREACH_TOSNET }, 157 { "host-tos", ICMP_UNREACH, ICMP_UNREACH_TOSHOST }, 158 { "filter-prohib", ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB }, 159 { "host-preced", ICMP_UNREACH, ICMP_UNREACH_HOST_PRECEDENCE }, 160 { "cutoff-preced", ICMP_UNREACH, ICMP_UNREACH_PRECEDENCE_CUTOFF }, 161 { "redir-net", ICMP_REDIRECT, ICMP_REDIRECT_NET }, 162 { "redir-host", ICMP_REDIRECT, ICMP_REDIRECT_HOST }, 163 { "redir-tos-net", ICMP_REDIRECT, ICMP_REDIRECT_TOSNET }, 164 { "redir-tos-host", ICMP_REDIRECT, ICMP_REDIRECT_TOSHOST }, 165 { "normal-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NORMAL }, 166 { "common-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NOROUTE_COMMON }, 167 { "transit", ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS }, 168 { "reassemb", ICMP_TIMXCEED, ICMP_TIMXCEED_REASS }, 169 { "badhead", ICMP_PARAMPROB, ICMP_PARAMPROB_ERRATPTR }, 170 { "optmiss", ICMP_PARAMPROB, ICMP_PARAMPROB_OPTABSENT }, 171 { "badlen", ICMP_PARAMPROB, ICMP_PARAMPROB_LENGTH }, 172 { "unknown-ind", ICMP_PHOTURIS, ICMP_PHOTURIS_UNKNOWN_INDEX }, 173 { "auth-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_AUTH_FAILED }, 174 { "decrypt-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_DECRYPT_FAILED } 175 }; 176 177 static const struct icmpcodeent icmp6_code[] = { 178 { "admin-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN }, 179 { "noroute-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE }, 180 { "beyond-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_BEYONDSCOPE }, 181 { "addr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR }, 182 { "port-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT }, 183 { "transit", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_TRANSIT }, 184 { "reassemb", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_REASSEMBLY }, 185 { "badhead", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER }, 186 { "nxthdr", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_NEXTHEADER }, 187 { "redironlink", ND_REDIRECT, ND_REDIRECT_ONLINK }, 188 { "redirrouter", ND_REDIRECT, ND_REDIRECT_ROUTER } 189 }; 190 191 const struct pf_timeout pf_timeouts[] = { 192 { "tcp.first", PFTM_TCP_FIRST_PACKET }, 193 { "tcp.opening", PFTM_TCP_OPENING }, 194 { "tcp.established", PFTM_TCP_ESTABLISHED }, 195 { "tcp.closing", PFTM_TCP_CLOSING }, 196 { "tcp.finwait", PFTM_TCP_FIN_WAIT }, 197 { "tcp.closed", PFTM_TCP_CLOSED }, 198 { "tcp.tsdiff", PFTM_TS_DIFF }, 199 { "udp.first", PFTM_UDP_FIRST_PACKET }, 200 { "udp.single", PFTM_UDP_SINGLE }, 201 { "udp.multiple", PFTM_UDP_MULTIPLE }, 202 { "icmp.first", PFTM_ICMP_FIRST_PACKET }, 203 { "icmp.error", PFTM_ICMP_ERROR_REPLY }, 204 { "other.first", PFTM_OTHER_FIRST_PACKET }, 205 { "other.single", PFTM_OTHER_SINGLE }, 206 { "other.multiple", PFTM_OTHER_MULTIPLE }, 207 { "frag", PFTM_FRAG }, 208 { "interval", PFTM_INTERVAL }, 209 { "adaptive.start", PFTM_ADAPTIVE_START }, 210 { "adaptive.end", PFTM_ADAPTIVE_END }, 211 { "src.track", PFTM_SRC_NODE }, 212 { NULL, 0 } 213 }; 214 215 enum { PF_POOL_ROUTE, PF_POOL_NAT, PF_POOL_RDR }; 216 217 void 218 copy_satopfaddr(struct pf_addr *pfa, struct sockaddr *sa) 219 { 220 if (sa->sa_family == AF_INET6) 221 pfa->v6 = ((struct sockaddr_in6 *)sa)->sin6_addr; 222 else if (sa->sa_family == AF_INET) 223 pfa->v4 = ((struct sockaddr_in *)sa)->sin_addr; 224 else 225 warnx("unhandled af %d", sa->sa_family); 226 } 227 228 const struct icmptypeent * 229 geticmptypebynumber(u_int8_t type, sa_family_t af) 230 { 231 size_t i; 232 233 if (af != AF_INET6) { 234 for (i = 0; i < nitems(icmp_type); i++) { 235 if (type == icmp_type[i].type) 236 return (&icmp_type[i]); 237 } 238 } else { 239 for (i = 0; i < nitems(icmp6_type); i++) { 240 if (type == icmp6_type[i].type) 241 return (&icmp6_type[i]); 242 } 243 } 244 return (NULL); 245 } 246 247 const struct icmptypeent * 248 geticmptypebyname(char *w, sa_family_t af) 249 { 250 size_t i; 251 252 if (af != AF_INET6) { 253 for (i = 0; i < nitems(icmp_type); i++) { 254 if (!strcmp(w, icmp_type[i].name)) 255 return (&icmp_type[i]); 256 } 257 } else { 258 for (i = 0; i < nitems(icmp6_type); 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 size_t i; 270 271 if (af != AF_INET6) { 272 for (i = 0; i < nitems(icmp_code); i++) { 273 if (type == icmp_code[i].type && 274 code == icmp_code[i].code) 275 return (&icmp_code[i]); 276 } 277 } else { 278 for (i = 0; i < nitems(icmp6_code); i++) { 279 if (type == icmp6_code[i].type && 280 code == icmp6_code[i].code) 281 return (&icmp6_code[i]); 282 } 283 } 284 return (NULL); 285 } 286 287 const struct icmpcodeent * 288 geticmpcodebyname(u_long type, char *w, sa_family_t af) 289 { 290 size_t i; 291 292 if (af != AF_INET6) { 293 for (i = 0; i < nitems(icmp_code); i++) { 294 if (type == icmp_code[i].type && 295 !strcmp(w, icmp_code[i].name)) 296 return (&icmp_code[i]); 297 } 298 } else { 299 for (i = 0; i < nitems(icmp6_code); i++) { 300 if (type == icmp6_code[i].type && 301 !strcmp(w, icmp6_code[i].name)) 302 return (&icmp6_code[i]); 303 } 304 } 305 return (NULL); 306 } 307 308 /* 309 * Decode a symbolic name to a numeric value. 310 * From syslogd. 311 */ 312 int 313 string_to_loglevel(const char *name) 314 { 315 CODE *c; 316 char *p, buf[40]; 317 318 if (isdigit((unsigned char)*name)) { 319 const char *errstr; 320 int val; 321 322 val = strtonum(name, 0, LOG_DEBUG, &errstr); 323 if (errstr) 324 return -1; 325 return val; 326 } 327 328 for (p = buf; *name && p < &buf[sizeof(buf) - 1]; p++, name++) { 329 if (isupper((unsigned char)*name)) 330 *p = tolower((unsigned char)*name); 331 else 332 *p = *name; 333 } 334 *p = '\0'; 335 for (c = prioritynames; c->c_name; c++) 336 if (!strcmp(buf, c->c_name) && c->c_val != INTERNAL_NOPRI) 337 return (c->c_val); 338 339 return (-1); 340 } 341 342 const char * 343 loglevel_to_string(int level) 344 { 345 CODE *c; 346 347 for (c = prioritynames; c->c_name; c++) 348 if (c->c_val == level) 349 return (c->c_name); 350 351 return ("unknown"); 352 } 353 354 void 355 print_op(u_int8_t op, const char *a1, const char *a2) 356 { 357 if (op == PF_OP_IRG) 358 printf(" %s >< %s", a1, a2); 359 else if (op == PF_OP_XRG) 360 printf(" %s <> %s", a1, a2); 361 else if (op == PF_OP_EQ) 362 printf(" = %s", a1); 363 else if (op == PF_OP_NE) 364 printf(" != %s", a1); 365 else if (op == PF_OP_LT) 366 printf(" < %s", a1); 367 else if (op == PF_OP_LE) 368 printf(" <= %s", a1); 369 else if (op == PF_OP_GT) 370 printf(" > %s", a1); 371 else if (op == PF_OP_GE) 372 printf(" >= %s", a1); 373 else if (op == PF_OP_RRG) 374 printf(" %s:%s", a1, a2); 375 } 376 377 void 378 print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto, int opts) 379 { 380 char a1[6], a2[6]; 381 struct servent *s = NULL; 382 383 if (opts & PF_OPT_PORTNAMES) 384 s = getservbyport(p1, proto); 385 p1 = ntohs(p1); 386 p2 = ntohs(p2); 387 snprintf(a1, sizeof(a1), "%u", p1); 388 snprintf(a2, sizeof(a2), "%u", p2); 389 printf(" port"); 390 if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE)) 391 print_op(op, s->s_name, a2); 392 else 393 print_op(op, a1, a2); 394 } 395 396 void 397 print_ugid(u_int8_t op, id_t i1, id_t i2, const char *t) 398 { 399 char a1[11], a2[11]; 400 401 snprintf(a1, sizeof(a1), "%u", i1); 402 snprintf(a2, sizeof(a2), "%u", i2); 403 printf(" %s", t); 404 if (i1 == -1 && (op == PF_OP_EQ || op == PF_OP_NE)) 405 print_op(op, "unknown", a2); 406 else 407 print_op(op, a1, a2); 408 } 409 410 void 411 print_flags(u_int8_t f) 412 { 413 int i; 414 415 for (i = 0; tcpflags[i]; ++i) 416 if (f & (1 << i)) 417 printf("%c", tcpflags[i]); 418 } 419 420 void 421 print_fromto(struct pf_rule_addr *src, pf_osfp_t osfp, struct pf_rule_addr *dst, 422 sa_family_t af, u_int8_t proto, int opts) 423 { 424 char buf[PF_OSFP_LEN*3]; 425 int verbose = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 426 if (src->addr.type == PF_ADDR_ADDRMASK && 427 dst->addr.type == PF_ADDR_ADDRMASK && 428 PF_AZERO(&src->addr.v.a.addr, AF_INET6) && 429 PF_AZERO(&src->addr.v.a.mask, AF_INET6) && 430 PF_AZERO(&dst->addr.v.a.addr, AF_INET6) && 431 PF_AZERO(&dst->addr.v.a.mask, AF_INET6) && 432 !src->neg && !dst->neg && 433 !src->port_op && !dst->port_op && 434 osfp == PF_OSFP_ANY) 435 printf(" all"); 436 else { 437 printf(" from "); 438 if (src->neg) 439 printf("! "); 440 print_addr(&src->addr, af, verbose); 441 if (src->port_op) 442 print_port(src->port_op, src->port[0], 443 src->port[1], 444 proto == IPPROTO_TCP ? "tcp" : "udp", opts); 445 if (osfp != PF_OSFP_ANY) 446 printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf, 447 sizeof(buf))); 448 449 printf(" to "); 450 if (dst->neg) 451 printf("! "); 452 print_addr(&dst->addr, af, verbose); 453 if (dst->port_op) 454 print_port(dst->port_op, dst->port[0], 455 dst->port[1], 456 proto == IPPROTO_TCP ? "tcp" : "udp", opts); 457 } 458 } 459 460 void 461 print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2, 462 sa_family_t af, int id, int verbose) 463 { 464 if (pool->ifname[0]) { 465 if (!PF_AZERO(&pool->addr.v.a.addr, af)) { 466 print_addr(&pool->addr, af, verbose); 467 printf("@"); 468 } 469 printf("%s", pool->ifname); 470 } else 471 print_addr(&pool->addr, af, verbose); 472 switch (id) { 473 case PF_POOL_NAT: 474 if ((p1 != PF_NAT_PROXY_PORT_LOW || 475 p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) { 476 if (p1 == p2) 477 printf(" port %u", p1); 478 else 479 printf(" port %u:%u", p1, p2); 480 } 481 break; 482 case PF_POOL_RDR: 483 if (p1) { 484 printf(" port %u", p1); 485 if (p2 && (p2 != p1)) 486 printf(":%u", p2); 487 } 488 break; 489 default: 490 break; 491 } 492 switch (pool->opts & PF_POOL_TYPEMASK) { 493 case PF_POOL_NONE: 494 break; 495 case PF_POOL_BITMASK: 496 printf(" bitmask"); 497 break; 498 case PF_POOL_RANDOM: 499 printf(" random"); 500 break; 501 case PF_POOL_SRCHASH: 502 printf(" source-hash 0x%08x%08x%08x%08x", 503 pool->key.key32[0], pool->key.key32[1], 504 pool->key.key32[2], pool->key.key32[3]); 505 break; 506 case PF_POOL_ROUNDROBIN: 507 printf(" round-robin"); 508 break; 509 case PF_POOL_LEASTSTATES: 510 printf(" least-states"); 511 break; 512 } 513 if (pool->opts & PF_POOL_STICKYADDR) 514 printf(" sticky-address"); 515 if (id == PF_POOL_NAT && p1 == 0 && p2 == 0) 516 printf(" static-port"); 517 } 518 519 const char *pf_reasons[PFRES_MAX+1] = PFRES_NAMES; 520 const char *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES; 521 const char *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES; 522 const char *pf_scounters[SCNT_MAX+1] = FCNT_NAMES; 523 const char *pf_ncounters[NCNT_MAX+1] = FCNT_NAMES; 524 525 void 526 print_status(struct pf_status *s, struct pfctl_watermarks *synflwats, int opts) 527 { 528 char statline[80], *running, *debug; 529 time_t runtime = 0; 530 struct timespec uptime; 531 int i; 532 char buf[PF_MD5_DIGEST_LENGTH * 2 + 1]; 533 static const char hex[] = "0123456789abcdef"; 534 535 if (!clock_gettime(CLOCK_BOOTTIME, &uptime)) 536 runtime = uptime.tv_sec - s->since; 537 running = s->running ? "Enabled" : "Disabled"; 538 539 if (runtime) { 540 unsigned int sec, min, hrs; 541 time_t day = runtime; 542 543 sec = day % 60; 544 day /= 60; 545 min = day % 60; 546 day /= 60; 547 hrs = day % 24; 548 day /= 24; 549 snprintf(statline, sizeof(statline), 550 "Status: %s for %lld days %.2u:%.2u:%.2u", 551 running, (long long)day, hrs, min, sec); 552 } else 553 snprintf(statline, sizeof(statline), "Status: %s", running); 554 printf("%-44s", statline); 555 if (asprintf(&debug, "Debug: %s", loglevel_to_string(s->debug)) != -1) { 556 printf("%15s\n\n", debug); 557 free(debug); 558 } 559 560 if (opts & PF_OPT_VERBOSE) { 561 printf("Hostid: 0x%08x\n", ntohl(s->hostid)); 562 563 for (i = 0; i < PF_MD5_DIGEST_LENGTH; i++) { 564 buf[i + i] = hex[s->pf_chksum[i] >> 4]; 565 buf[i + i + 1] = hex[s->pf_chksum[i] & 0x0f]; 566 } 567 buf[i + i] = '\0'; 568 printf("Checksum: 0x%s\n\n", buf); 569 } 570 571 if (s->ifname[0] != 0) { 572 printf("Interface Stats for %-16s %5s %16s\n", 573 s->ifname, "IPv4", "IPv6"); 574 printf(" %-25s %14llu %16llu\n", "Bytes In", 575 (unsigned long long)s->bcounters[0][0], 576 (unsigned long long)s->bcounters[1][0]); 577 printf(" %-25s %14llu %16llu\n", "Bytes Out", 578 (unsigned long long)s->bcounters[0][1], 579 (unsigned long long)s->bcounters[1][1]); 580 printf(" Packets In\n"); 581 printf(" %-23s %14llu %16llu\n", "Passed", 582 (unsigned long long)s->pcounters[0][0][PF_PASS], 583 (unsigned long long)s->pcounters[1][0][PF_PASS]); 584 printf(" %-23s %14llu %16llu\n", "Blocked", 585 (unsigned long long)s->pcounters[0][0][PF_DROP], 586 (unsigned long long)s->pcounters[1][0][PF_DROP]); 587 printf(" Packets Out\n"); 588 printf(" %-23s %14llu %16llu\n", "Passed", 589 (unsigned long long)s->pcounters[0][1][PF_PASS], 590 (unsigned long long)s->pcounters[1][1][PF_PASS]); 591 printf(" %-23s %14llu %16llu\n\n", "Blocked", 592 (unsigned long long)s->pcounters[0][1][PF_DROP], 593 (unsigned long long)s->pcounters[1][1][PF_DROP]); 594 } 595 printf("%-27s %14s %16s\n", "State Table", "Total", "Rate"); 596 printf(" %-25s %14u %14s\n", "current entries", s->states, ""); 597 printf(" %-25s %14u %14s\n", "half-open tcp", s->states_halfopen, ""); 598 for (i = 0; i < FCNT_MAX; i++) { 599 printf(" %-25s %14llu ", pf_fcounters[i], 600 (unsigned long long)s->fcounters[i]); 601 if (runtime > 0) 602 printf("%14.1f/s\n", 603 (double)s->fcounters[i] / (double)runtime); 604 else 605 printf("%14s\n", ""); 606 } 607 if (opts & PF_OPT_VERBOSE) { 608 printf("Source Tracking Table\n"); 609 printf(" %-25s %14u %14s\n", "current entries", 610 s->src_nodes, ""); 611 for (i = 0; i < SCNT_MAX; i++) { 612 printf(" %-25s %14lld ", pf_scounters[i], 613 s->scounters[i]); 614 if (runtime > 0) 615 printf("%14.1f/s\n", 616 (double)s->scounters[i] / (double)runtime); 617 else 618 printf("%14s\n", ""); 619 } 620 } 621 if (opts & PF_OPT_VERBOSE) { 622 printf("Fragments\n"); 623 printf(" %-25s %14u %14s\n", "current entries", 624 s->fragments, ""); 625 for (i = 0; i < NCNT_MAX; i++) { 626 printf(" %-25s %14lld ", pf_ncounters[i], 627 s->ncounters[i]); 628 if (runtime > 0) 629 printf("%14.1f/s\n", 630 (double)s->ncounters[i] / (double)runtime); 631 else 632 printf("%14s\n", ""); 633 } 634 } 635 printf("Counters\n"); 636 for (i = 0; i < PFRES_MAX; i++) { 637 printf(" %-25s %14llu ", pf_reasons[i], 638 (unsigned long long)s->counters[i]); 639 if (runtime > 0) 640 printf("%14.1f/s\n", 641 (double)s->counters[i] / (double)runtime); 642 else 643 printf("%14s\n", ""); 644 } 645 if (opts & PF_OPT_VERBOSE) { 646 printf("Limit Counters\n"); 647 for (i = 0; i < LCNT_MAX; i++) { 648 printf(" %-25s %14lld ", pf_lcounters[i], 649 s->lcounters[i]); 650 if (runtime > 0) 651 printf("%14.1f/s\n", 652 (double)s->lcounters[i] / (double)runtime); 653 else 654 printf("%14s\n", ""); 655 } 656 } 657 if (opts & PF_OPT_VERBOSE) { 658 printf("Adaptive Syncookies Watermarks\n"); 659 printf(" %-25s %14d states\n", "start", synflwats->hi); 660 printf(" %-25s %14d states\n", "end", synflwats->lo); 661 } 662 } 663 664 void 665 print_src_node(struct pf_src_node *sn, int opts) 666 { 667 struct pf_addr_wrap aw; 668 int min, sec; 669 670 memset(&aw, 0, sizeof(aw)); 671 if (sn->af == AF_INET) 672 aw.v.a.mask.addr32[0] = 0xffffffff; 673 else 674 memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask)); 675 676 aw.v.a.addr = sn->addr; 677 print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 678 679 if (!PF_AZERO(&sn->raddr, sn->af)) { 680 if (sn->type == PF_SN_NAT) 681 printf(" nat-to "); 682 else if (sn->type == PF_SN_RDR) 683 printf(" rdr-to "); 684 else if (sn->type == PF_SN_ROUTE) 685 printf(" route-to "); 686 else 687 printf(" ??? (%u) ", sn->type); 688 aw.v.a.addr = sn->raddr; 689 print_addr(&aw, sn->naf ? sn->naf : sn->af, 690 opts & PF_OPT_VERBOSE2); 691 } 692 693 printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states, 694 sn->conn, sn->conn_rate.count / 1000, 695 (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds); 696 if (opts & PF_OPT_VERBOSE) { 697 sec = sn->creation % 60; 698 sn->creation /= 60; 699 min = sn->creation % 60; 700 sn->creation /= 60; 701 printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec); 702 if (sn->states == 0) { 703 sec = sn->expire % 60; 704 sn->expire /= 60; 705 min = sn->expire % 60; 706 sn->expire /= 60; 707 printf(", expires in %.2u:%.2u:%.2u", 708 sn->expire, min, sec); 709 } 710 printf(", %llu pkts, %llu bytes", 711 sn->packets[0] + sn->packets[1], 712 sn->bytes[0] + sn->bytes[1]); 713 if (sn->rule.nr != -1) 714 printf(", rule %u", sn->rule.nr); 715 printf("\n"); 716 } 717 } 718 719 void 720 print_rule(struct pf_rule *r, const char *anchor_call, int opts) 721 { 722 static const char *actiontypes[] = { "pass", "block", "scrub", 723 "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr", 724 "", "", "match"}; 725 static const char *anchortypes[] = { "anchor", "anchor", "anchor", 726 "anchor", "nat-anchor", "nat-anchor", "binat-anchor", 727 "binat-anchor", "rdr-anchor", "rdr-anchor" }; 728 int i, ropts; 729 int verbose = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 730 char *p; 731 732 if ((r->rule_flag & PFRULE_EXPIRED) && (!verbose)) 733 return; 734 735 if (verbose) 736 printf("@%d ", r->nr); 737 738 if (anchor_call[0]) { 739 if (r->action >= nitems(anchortypes)) { 740 printf("anchor(%d)", r->action); 741 } else { 742 p = strrchr(anchor_call, '/'); 743 if (p ? p[1] == '_' : anchor_call[0] == '_') 744 printf("%s", anchortypes[r->action]); 745 else 746 printf("%s \"%s\"", anchortypes[r->action], 747 anchor_call); 748 } 749 } else { 750 if (r->action >= nitems(actiontypes)) 751 printf("action(%d)", r->action); 752 else 753 printf("%s", actiontypes[r->action]); 754 } 755 if (r->action == PF_DROP) { 756 if (r->rule_flag & PFRULE_RETURN) 757 printf(" return"); 758 else if (r->rule_flag & PFRULE_RETURNRST) { 759 if (!r->return_ttl) 760 printf(" return-rst"); 761 else 762 printf(" return-rst(ttl %d)", r->return_ttl); 763 } else if (r->rule_flag & PFRULE_RETURNICMP) { 764 const struct icmpcodeent *ic, *ic6; 765 766 ic = geticmpcodebynumber(r->return_icmp >> 8, 767 r->return_icmp & 255, AF_INET); 768 ic6 = geticmpcodebynumber(r->return_icmp6 >> 8, 769 r->return_icmp6 & 255, AF_INET6); 770 771 switch (r->af) { 772 case AF_INET: 773 printf(" return-icmp"); 774 if (ic == NULL) 775 printf("(%u)", r->return_icmp & 255); 776 else 777 printf("(%s)", ic->name); 778 break; 779 case AF_INET6: 780 printf(" return-icmp6"); 781 if (ic6 == NULL) 782 printf("(%u)", r->return_icmp6 & 255); 783 else 784 printf("(%s)", ic6->name); 785 break; 786 default: 787 printf(" return-icmp"); 788 if (ic == NULL) 789 printf("(%u, ", r->return_icmp & 255); 790 else 791 printf("(%s, ", ic->name); 792 if (ic6 == NULL) 793 printf("%u)", r->return_icmp6 & 255); 794 else 795 printf("%s)", ic6->name); 796 break; 797 } 798 } else 799 printf(" drop"); 800 } 801 if (r->direction == PF_IN) 802 printf(" in"); 803 else if (r->direction == PF_OUT) 804 printf(" out"); 805 if (r->log) { 806 printf(" log"); 807 if (r->log & ~PF_LOG || r->logif) { 808 int count = 0; 809 810 printf(" ("); 811 if (r->log & PF_LOG_ALL) 812 printf("%sall", count++ ? ", " : ""); 813 if (r->log & PF_LOG_MATCHES) 814 printf("%smatches", count++ ? ", " : ""); 815 if (r->log & PF_LOG_USER) 816 printf("%suser", count++ ? ", " : ""); 817 if (r->logif) 818 printf("%sto pflog%u", count++ ? ", " : "", 819 r->logif); 820 printf(")"); 821 } 822 } 823 if (r->quick) 824 printf(" quick"); 825 if (r->ifname[0]) { 826 if (r->ifnot) 827 printf(" on ! %s", r->ifname); 828 else 829 printf(" on %s", r->ifname); 830 } 831 if (r->onrdomain >= 0) { 832 if (r->ifnot) 833 printf(" on ! rdomain %d", r->onrdomain); 834 else 835 printf(" on rdomain %d", r->onrdomain); 836 } 837 if (r->af) { 838 if (r->af == AF_INET) 839 printf(" inet"); 840 else 841 printf(" inet6"); 842 } 843 if (r->proto) { 844 struct protoent *p; 845 846 if ((p = getprotobynumber(r->proto)) != NULL) 847 printf(" proto %s", p->p_name); 848 else 849 printf(" proto %u", r->proto); 850 } 851 print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto, 852 opts); 853 if (r->rcv_ifname[0]) 854 printf(" %sreceived-on %s", r->rcvifnot ? "!" : "", 855 r->rcv_ifname); 856 if (r->uid.op) 857 print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user"); 858 if (r->gid.op) 859 print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group"); 860 if (r->flags || r->flagset) { 861 printf(" flags "); 862 print_flags(r->flags); 863 printf("/"); 864 print_flags(r->flagset); 865 } else if ((r->action == PF_PASS || r->action == PF_MATCH) && 866 (!r->proto || r->proto == IPPROTO_TCP) && 867 !(r->rule_flag & PFRULE_FRAGMENT) && 868 !anchor_call[0] && r->keep_state) 869 printf(" flags any"); 870 if (r->type) { 871 const struct icmptypeent *it; 872 873 it = geticmptypebynumber(r->type-1, r->af); 874 if (r->af != AF_INET6) 875 printf(" icmp-type"); 876 else 877 printf(" icmp6-type"); 878 if (it != NULL) 879 printf(" %s", it->name); 880 else 881 printf(" %u", r->type-1); 882 if (r->code) { 883 const struct icmpcodeent *ic; 884 885 ic = geticmpcodebynumber(r->type-1, r->code-1, r->af); 886 if (ic != NULL) 887 printf(" code %s", ic->name); 888 else 889 printf(" code %u", r->code-1); 890 } 891 } 892 if (r->tos) 893 printf(" tos 0x%2.2x", r->tos); 894 if (r->prio) 895 printf(" prio %u", r->prio == PF_PRIO_ZERO ? 0 : r->prio); 896 if (r->pktrate.limit) 897 printf(" max-pkt-rate %u/%u", r->pktrate.limit, 898 r->pktrate.seconds); 899 900 if (r->scrub_flags & PFSTATE_SETMASK || r->qname[0] || 901 r->rule_flag & PFRULE_SETDELAY) { 902 char *comma = ""; 903 printf(" set ("); 904 if (r->scrub_flags & PFSTATE_SETPRIO) { 905 if (r->set_prio[0] == r->set_prio[1]) 906 printf("%sprio %u", comma, r->set_prio[0]); 907 else 908 printf("%sprio(%u, %u)", comma, r->set_prio[0], 909 r->set_prio[1]); 910 comma = ", "; 911 } 912 if (r->qname[0]) { 913 if (r->pqname[0]) 914 printf("%squeue(%s, %s)", comma, r->qname, 915 r->pqname); 916 else 917 printf("%squeue %s", comma, r->qname); 918 comma = ", "; 919 } 920 if (r->scrub_flags & PFSTATE_SETTOS) { 921 printf("%stos 0x%2.2x", comma, r->set_tos); 922 comma = ", "; 923 } 924 if (r->rule_flag & PFRULE_SETDELAY) { 925 printf("%sdelay %u", comma, r->delay); 926 comma = ", "; 927 } 928 printf(")"); 929 } 930 931 ropts = 0; 932 if (r->max_states || r->max_src_nodes || r->max_src_states) 933 ropts = 1; 934 if (r->rule_flag & PFRULE_NOSYNC) 935 ropts = 1; 936 if (r->rule_flag & PFRULE_SRCTRACK) 937 ropts = 1; 938 if (r->rule_flag & PFRULE_IFBOUND) 939 ropts = 1; 940 if (r->rule_flag & PFRULE_STATESLOPPY) 941 ropts = 1; 942 if (r->rule_flag & PFRULE_PFLOW) 943 ropts = 1; 944 for (i = 0; !ropts && i < PFTM_MAX; ++i) 945 if (r->timeout[i]) 946 ropts = 1; 947 948 if (!r->keep_state && r->action == PF_PASS && !anchor_call[0]) 949 printf(" no state"); 950 else if (r->keep_state == PF_STATE_NORMAL && ropts) 951 printf(" keep state"); 952 else if (r->keep_state == PF_STATE_MODULATE) 953 printf(" modulate state"); 954 else if (r->keep_state == PF_STATE_SYNPROXY) 955 printf(" synproxy state"); 956 if (r->prob) { 957 char buf[20]; 958 959 snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0)); 960 for (i = strlen(buf)-1; i > 0; i--) { 961 if (buf[i] == '0') 962 buf[i] = '\0'; 963 else { 964 if (buf[i] == '.') 965 buf[i] = '\0'; 966 break; 967 } 968 } 969 printf(" probability %s%%", buf); 970 } 971 if (ropts) { 972 printf(" ("); 973 if (r->max_states) { 974 printf("max %u", r->max_states); 975 ropts = 0; 976 } 977 if (r->rule_flag & PFRULE_NOSYNC) { 978 if (!ropts) 979 printf(", "); 980 printf("no-sync"); 981 ropts = 0; 982 } 983 if (r->rule_flag & PFRULE_SRCTRACK) { 984 if (!ropts) 985 printf(", "); 986 printf("source-track"); 987 if (r->rule_flag & PFRULE_RULESRCTRACK) 988 printf(" rule"); 989 else 990 printf(" global"); 991 ropts = 0; 992 } 993 if (r->max_src_states) { 994 if (!ropts) 995 printf(", "); 996 printf("max-src-states %u", r->max_src_states); 997 ropts = 0; 998 } 999 if (r->max_src_conn) { 1000 if (!ropts) 1001 printf(", "); 1002 printf("max-src-conn %u", r->max_src_conn); 1003 ropts = 0; 1004 } 1005 if (r->max_src_conn_rate.limit) { 1006 if (!ropts) 1007 printf(", "); 1008 printf("max-src-conn-rate %u/%u", 1009 r->max_src_conn_rate.limit, 1010 r->max_src_conn_rate.seconds); 1011 ropts = 0; 1012 } 1013 if (r->max_src_nodes) { 1014 if (!ropts) 1015 printf(", "); 1016 printf("max-src-nodes %u", r->max_src_nodes); 1017 ropts = 0; 1018 } 1019 if (r->overload_tblname[0]) { 1020 if (!ropts) 1021 printf(", "); 1022 printf("overload <%s>", r->overload_tblname); 1023 if (r->flush) 1024 printf(" flush"); 1025 if (r->flush & PF_FLUSH_GLOBAL) 1026 printf(" global"); 1027 } 1028 if (r->rule_flag & PFRULE_IFBOUND) { 1029 if (!ropts) 1030 printf(", "); 1031 printf("if-bound"); 1032 ropts = 0; 1033 } 1034 if (r->rule_flag & PFRULE_STATESLOPPY) { 1035 if (!ropts) 1036 printf(", "); 1037 printf("sloppy"); 1038 ropts = 0; 1039 } 1040 if (r->rule_flag & PFRULE_PFLOW) { 1041 if (!ropts) 1042 printf(", "); 1043 printf("pflow"); 1044 ropts = 0; 1045 } 1046 for (i = 0; i < PFTM_MAX; ++i) 1047 if (r->timeout[i]) { 1048 int j; 1049 1050 if (!ropts) 1051 printf(", "); 1052 ropts = 0; 1053 for (j = 0; pf_timeouts[j].name != NULL; 1054 ++j) 1055 if (pf_timeouts[j].timeout == i) 1056 break; 1057 printf("%s %u", pf_timeouts[j].name == NULL ? 1058 "inv.timeout" : pf_timeouts[j].name, 1059 r->timeout[i]); 1060 } 1061 printf(")"); 1062 } 1063 1064 if (r->rule_flag & PFRULE_FRAGMENT) 1065 printf(" fragment"); 1066 1067 if (r->scrub_flags & PFSTATE_SCRUBMASK || r->min_ttl || r->max_mss) { 1068 printf(" scrub ("); 1069 ropts = 1; 1070 if (r->scrub_flags & PFSTATE_NODF) { 1071 printf("no-df"); 1072 ropts = 0; 1073 } 1074 if (r->scrub_flags & PFSTATE_RANDOMID) { 1075 if (!ropts) 1076 printf(" "); 1077 printf("random-id"); 1078 ropts = 0; 1079 } 1080 if (r->min_ttl) { 1081 if (!ropts) 1082 printf(" "); 1083 printf("min-ttl %d", r->min_ttl); 1084 ropts = 0; 1085 } 1086 if (r->scrub_flags & PFSTATE_SCRUB_TCP) { 1087 if (!ropts) 1088 printf(" "); 1089 printf("reassemble tcp"); 1090 ropts = 0; 1091 } 1092 if (r->max_mss) { 1093 if (!ropts) 1094 printf(" "); 1095 printf("max-mss %d", r->max_mss); 1096 ropts = 0; 1097 } 1098 printf(")"); 1099 } 1100 1101 if (r->allow_opts) 1102 printf(" allow-opts"); 1103 if (r->label[0]) 1104 printf(" label \"%s\"", r->label); 1105 if (r->rule_flag & PFRULE_ONCE) 1106 printf(" once"); 1107 if (r->tagname[0]) 1108 printf(" tag %s", r->tagname); 1109 if (r->match_tagname[0]) { 1110 if (r->match_tag_not) 1111 printf(" !"); 1112 printf(" tagged %s", r->match_tagname); 1113 } 1114 if (r->rtableid != -1) 1115 printf(" rtable %u", r->rtableid); 1116 switch (r->divert.type) { 1117 case PF_DIVERT_NONE: 1118 break; 1119 case PF_DIVERT_TO: { 1120 printf(" divert-to "); 1121 print_addr_str(r->af, &r->divert.addr); 1122 printf(" port %u", ntohs(r->divert.port)); 1123 break; 1124 } 1125 case PF_DIVERT_REPLY: 1126 printf(" divert-reply"); 1127 break; 1128 case PF_DIVERT_PACKET: 1129 printf(" divert-packet port %u", ntohs(r->divert.port)); 1130 break; 1131 default: 1132 printf(" divert ???"); 1133 break; 1134 } 1135 1136 if (!anchor_call[0] && r->nat.addr.type != PF_ADDR_NONE && 1137 r->rule_flag & PFRULE_AFTO) { 1138 printf(" af-to %s from ", r->naf == AF_INET ? "inet" : "inet6"); 1139 print_pool(&r->nat, r->nat.proxy_port[0], 1140 r->nat.proxy_port[1], r->naf ? r->naf : r->af, 1141 PF_POOL_NAT, verbose); 1142 if (r->rdr.addr.type != PF_ADDR_NONE) { 1143 printf(" to "); 1144 print_pool(&r->rdr, r->rdr.proxy_port[0], 1145 r->rdr.proxy_port[1], r->naf ? r->naf : r->af, 1146 PF_POOL_RDR, verbose); 1147 } 1148 } else if (!anchor_call[0] && r->nat.addr.type != PF_ADDR_NONE) { 1149 printf (" nat-to "); 1150 print_pool(&r->nat, r->nat.proxy_port[0], 1151 r->nat.proxy_port[1], r->naf ? r->naf : r->af, 1152 PF_POOL_NAT, verbose); 1153 } else if (!anchor_call[0] && r->rdr.addr.type != PF_ADDR_NONE) { 1154 printf (" rdr-to "); 1155 print_pool(&r->rdr, r->rdr.proxy_port[0], 1156 r->rdr.proxy_port[1], r->af, PF_POOL_RDR, verbose); 1157 } 1158 if (r->rt) { 1159 if (r->rt == PF_ROUTETO) 1160 printf(" route-to"); 1161 else if (r->rt == PF_REPLYTO) 1162 printf(" reply-to"); 1163 else if (r->rt == PF_DUPTO) 1164 printf(" dup-to"); 1165 printf(" "); 1166 print_pool(&r->route, 0, 0, r->af, PF_POOL_ROUTE, verbose); 1167 } 1168 1169 if (r->rule_flag & PFRULE_EXPIRED) 1170 printf(" # expired"); 1171 } 1172 1173 void 1174 print_tabledef(const char *name, int flags, int addrs, 1175 struct node_tinithead *nodes) 1176 { 1177 struct node_tinit *ti, *nti; 1178 struct node_host *h; 1179 1180 printf("table <%s>", name); 1181 if (flags & PFR_TFLAG_CONST) 1182 printf(" const"); 1183 if (flags & PFR_TFLAG_PERSIST) 1184 printf(" persist"); 1185 if (flags & PFR_TFLAG_COUNTERS) 1186 printf(" counters"); 1187 SIMPLEQ_FOREACH(ti, nodes, entries) { 1188 if (ti->file) { 1189 printf(" file \"%s\"", ti->file); 1190 continue; 1191 } 1192 printf(" {"); 1193 for (;;) { 1194 for (h = ti->host; h != NULL; h = h->next) { 1195 printf(h->not ? " !" : " "); 1196 print_addr(&h->addr, h->af, 0); 1197 if (h->ifname) 1198 printf("@%s", h->ifname); 1199 } 1200 nti = SIMPLEQ_NEXT(ti, entries); 1201 if (nti != NULL && nti->file == NULL) 1202 ti = nti; /* merge lists */ 1203 else 1204 break; 1205 } 1206 printf(" }"); 1207 } 1208 if (addrs && SIMPLEQ_EMPTY(nodes)) 1209 printf(" { }"); 1210 printf("\n"); 1211 } 1212 1213 void 1214 print_bwspec(const char *prefix, struct pf_queue_bwspec *bw) 1215 { 1216 uint64_t rate; 1217 int i; 1218 static const char unit[] = " KMG"; 1219 1220 if (bw->percent) 1221 printf("%s%u%%", prefix, bw->percent); 1222 else if (bw->absolute) { 1223 rate = bw->absolute; 1224 for (i = 0; rate >= 1000 && i <= 3 && (rate % 1000 == 0); i++) 1225 rate /= 1000; 1226 printf("%s%llu%c", prefix, rate, unit[i]); 1227 } 1228 } 1229 1230 void 1231 print_scspec(const char *prefix, struct pf_queue_scspec *sc) 1232 { 1233 print_bwspec(prefix, &sc->m2); 1234 if (sc->d) { 1235 printf(" burst "); 1236 print_bwspec("", &sc->m1); 1237 printf(" for %ums", sc->d); 1238 } 1239 } 1240 1241 void 1242 print_queuespec(struct pf_queuespec *q) 1243 { 1244 printf("queue %s", q->qname); 1245 if (q->parent[0]) 1246 printf(" parent %s", q->parent); 1247 else if (q->ifname[0]) 1248 printf(" on %s", q->ifname); 1249 if (q->flags & PFQS_FLOWQUEUE) { 1250 printf(" flows %u", q->flowqueue.flows); 1251 if (q->flowqueue.quantum > 0) 1252 printf(" quantum %u", q->flowqueue.quantum); 1253 if (q->flowqueue.interval > 0) 1254 printf(" interval %ums", 1255 q->flowqueue.interval / 1000000); 1256 if (q->flowqueue.target > 0) 1257 printf(" target %ums", 1258 q->flowqueue.target / 1000000); 1259 } 1260 if (q->linkshare.m1.absolute || q->linkshare.m2.absolute) { 1261 print_scspec(" bandwidth ", &q->linkshare); 1262 print_scspec(", min ", &q->realtime); 1263 print_scspec(", max ", &q->upperlimit); 1264 } 1265 if (q->flags & PFQS_DEFAULT) 1266 printf(" default"); 1267 if (q->qlimit) 1268 printf(" qlimit %u", q->qlimit); 1269 printf("\n"); 1270 } 1271 1272 int 1273 parse_flags(char *s) 1274 { 1275 char *p, *q; 1276 u_int8_t f = 0; 1277 1278 for (p = s; *p; p++) { 1279 if ((q = strchr(tcpflags, *p)) == NULL) 1280 return -1; 1281 else 1282 f |= 1 << (q - tcpflags); 1283 } 1284 return (f ? f : PF_TH_ALL); 1285 } 1286 1287 void 1288 set_ipmask(struct node_host *h, int bb) 1289 { 1290 struct pf_addr *m, *n; 1291 int i, j = 0; 1292 u_int8_t b; 1293 1294 m = &h->addr.v.a.mask; 1295 memset(m, 0, sizeof(*m)); 1296 1297 if (bb == -1) 1298 b = h->af == AF_INET ? 32 : 128; 1299 else 1300 b = bb; 1301 1302 while (b >= 32) { 1303 m->addr32[j++] = 0xffffffff; 1304 b -= 32; 1305 } 1306 for (i = 31; i > 31-b; --i) 1307 m->addr32[j] |= (1 << i); 1308 if (b) 1309 m->addr32[j] = htonl(m->addr32[j]); 1310 1311 /* Mask off bits of the address that will never be used. */ 1312 n = &h->addr.v.a.addr; 1313 if (h->addr.type == PF_ADDR_ADDRMASK) 1314 for (i = 0; i < 4; i++) 1315 n->addr32[i] = n->addr32[i] & m->addr32[i]; 1316 } 1317 1318 int 1319 check_netmask(struct node_host *h, sa_family_t af) 1320 { 1321 struct node_host *n = NULL; 1322 struct pf_addr *m; 1323 1324 for (n = h; n != NULL; n = n->next) { 1325 if (h->addr.type == PF_ADDR_TABLE) 1326 continue; 1327 m = &h->addr.v.a.mask; 1328 /* netmasks > 32 bit are invalid on v4 */ 1329 if (af == AF_INET && 1330 (m->addr32[1] || m->addr32[2] || m->addr32[3])) { 1331 fprintf(stderr, "netmask %u invalid for IPv4 address\n", 1332 unmask(m)); 1333 return (1); 1334 } 1335 } 1336 return (0); 1337 } 1338 1339 struct node_host * 1340 gen_dynnode(struct node_host *h, sa_family_t af) 1341 { 1342 struct node_host *n; 1343 1344 if (h->addr.type != PF_ADDR_DYNIFTL) 1345 return (NULL); 1346 1347 if ((n = calloc(1, sizeof(*n))) == NULL) 1348 return (NULL); 1349 bcopy(h, n, sizeof(*n)); 1350 n->ifname = NULL; 1351 n->next = NULL; 1352 n->tail = NULL; 1353 1354 /* fix up netmask */ 1355 if (af == AF_INET && unmask(&n->addr.v.a.mask) > 32) 1356 set_ipmask(n, 32); 1357 1358 return (n); 1359 } 1360 1361 /* interface lookup routines */ 1362 1363 struct node_host *iftab; 1364 1365 void 1366 ifa_load(void) 1367 { 1368 struct ifaddrs *ifap, *ifa; 1369 struct node_host *n = NULL, *h = NULL; 1370 1371 if (getifaddrs(&ifap) == -1) 1372 err(1, "getifaddrs"); 1373 1374 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1375 if (ifa->ifa_addr == NULL || 1376 !(ifa->ifa_addr->sa_family == AF_INET || 1377 ifa->ifa_addr->sa_family == AF_INET6 || 1378 ifa->ifa_addr->sa_family == AF_LINK)) 1379 continue; 1380 n = calloc(1, sizeof(struct node_host)); 1381 if (n == NULL) 1382 err(1, "%s: calloc", __func__); 1383 n->af = ifa->ifa_addr->sa_family; 1384 n->ifa_flags = ifa->ifa_flags; 1385 #ifdef __KAME__ 1386 if (n->af == AF_INET6 && 1387 IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *) 1388 ifa->ifa_addr)->sin6_addr) && 1389 ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id == 1390 0) { 1391 struct sockaddr_in6 *sin6; 1392 1393 sin6 = (struct sockaddr_in6 *)ifa->ifa_addr; 1394 sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 | 1395 sin6->sin6_addr.s6_addr[3]; 1396 sin6->sin6_addr.s6_addr[2] = 0; 1397 sin6->sin6_addr.s6_addr[3] = 0; 1398 } 1399 #endif 1400 n->ifindex = 0; 1401 if (n->af == AF_LINK) 1402 n->ifindex = ((struct sockaddr_dl *) 1403 ifa->ifa_addr)->sdl_index; 1404 else { 1405 copy_satopfaddr(&n->addr.v.a.addr, ifa->ifa_addr); 1406 ifa->ifa_netmask->sa_family = ifa->ifa_addr->sa_family; 1407 copy_satopfaddr(&n->addr.v.a.mask, ifa->ifa_netmask); 1408 if (ifa->ifa_broadaddr != NULL) { 1409 ifa->ifa_broadaddr->sa_family = ifa->ifa_addr->sa_family; 1410 copy_satopfaddr(&n->bcast, ifa->ifa_broadaddr); 1411 } 1412 if (ifa->ifa_dstaddr != NULL) { 1413 ifa->ifa_dstaddr->sa_family = ifa->ifa_addr->sa_family; 1414 copy_satopfaddr(&n->peer, ifa->ifa_dstaddr); 1415 } 1416 if (n->af == AF_INET6) 1417 n->ifindex = ((struct sockaddr_in6 *) 1418 ifa->ifa_addr)->sin6_scope_id; 1419 } 1420 if ((n->ifname = strdup(ifa->ifa_name)) == NULL) 1421 err(1, "%s: strdup", __func__); 1422 n->next = NULL; 1423 n->tail = n; 1424 if (h == NULL) 1425 h = n; 1426 else { 1427 h->tail->next = n; 1428 h->tail = n; 1429 } 1430 } 1431 1432 iftab = h; 1433 freeifaddrs(ifap); 1434 } 1435 1436 unsigned int 1437 ifa_nametoindex(const char *ifa_name) 1438 { 1439 struct node_host *p; 1440 1441 for (p = iftab; p; p = p->next) { 1442 if (p->af == AF_LINK && strcmp(p->ifname, ifa_name) == 0) 1443 return (p->ifindex); 1444 } 1445 errno = ENXIO; 1446 return (0); 1447 } 1448 1449 char * 1450 ifa_indextoname(unsigned int ifindex, char *ifa_name) 1451 { 1452 struct node_host *p; 1453 1454 for (p = iftab; p; p = p->next) { 1455 if (p->af == AF_LINK && ifindex == p->ifindex) { 1456 strlcpy(ifa_name, p->ifname, IFNAMSIZ); 1457 return (ifa_name); 1458 } 1459 } 1460 errno = ENXIO; 1461 return (NULL); 1462 } 1463 1464 struct node_host * 1465 ifa_exists(const char *ifa_name) 1466 { 1467 struct node_host *n; 1468 struct ifgroupreq ifgr; 1469 int s; 1470 1471 if (iftab == NULL) 1472 ifa_load(); 1473 1474 /* check whether this is a group */ 1475 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 1476 err(1, "socket"); 1477 bzero(&ifgr, sizeof(ifgr)); 1478 strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 1479 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == 0) { 1480 /* fake a node_host */ 1481 if ((n = calloc(1, sizeof(*n))) == NULL) 1482 err(1, "calloc"); 1483 if ((n->ifname = strdup(ifa_name)) == NULL) 1484 err(1, "strdup"); 1485 close(s); 1486 return (n); 1487 } 1488 close(s); 1489 1490 for (n = iftab; n; n = n->next) { 1491 if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ)) 1492 return (n); 1493 } 1494 1495 return (NULL); 1496 } 1497 1498 struct node_host * 1499 ifa_grouplookup(const char *ifa_name, int flags) 1500 { 1501 struct ifg_req *ifg; 1502 struct ifgroupreq ifgr; 1503 int s, len; 1504 struct node_host *n, *h = NULL; 1505 1506 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 1507 err(1, "socket"); 1508 bzero(&ifgr, sizeof(ifgr)); 1509 strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 1510 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) { 1511 close(s); 1512 return (NULL); 1513 } 1514 1515 len = ifgr.ifgr_len; 1516 if ((ifgr.ifgr_groups = calloc(1, len)) == NULL) 1517 err(1, "calloc"); 1518 if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) 1519 err(1, "SIOCGIFGMEMB"); 1520 1521 for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(struct ifg_req); 1522 ifg++) { 1523 len -= sizeof(struct ifg_req); 1524 if ((n = ifa_lookup(ifg->ifgrq_member, flags)) == NULL) 1525 continue; 1526 if (h == NULL) 1527 h = n; 1528 else { 1529 h->tail->next = n; 1530 h->tail = n->tail; 1531 } 1532 } 1533 free(ifgr.ifgr_groups); 1534 close(s); 1535 1536 return (h); 1537 } 1538 1539 struct node_host * 1540 ifa_lookup(const char *ifa_name, int flags) 1541 { 1542 struct node_host *p = NULL, *h = NULL, *n = NULL; 1543 int got4 = 0, got6 = 0; 1544 const char *last_if = NULL; 1545 1546 if ((h = ifa_grouplookup(ifa_name, flags)) != NULL) 1547 return (h); 1548 1549 if (!strncmp(ifa_name, "self", IFNAMSIZ)) 1550 ifa_name = NULL; 1551 1552 if (iftab == NULL) 1553 ifa_load(); 1554 1555 for (p = iftab; p; p = p->next) { 1556 if (ifa_skip_if(ifa_name, p)) 1557 continue; 1558 if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET) 1559 continue; 1560 if ((flags & PFI_AFLAG_BROADCAST) && 1561 !(p->ifa_flags & IFF_BROADCAST)) 1562 continue; 1563 if ((flags & PFI_AFLAG_BROADCAST) && p->bcast.v4.s_addr == 0) 1564 continue; 1565 if ((flags & PFI_AFLAG_PEER) && 1566 !(p->ifa_flags & IFF_POINTOPOINT)) 1567 continue; 1568 if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0) 1569 continue; 1570 if (last_if == NULL || strcmp(last_if, p->ifname)) 1571 got4 = got6 = 0; 1572 last_if = p->ifname; 1573 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4) 1574 continue; 1575 if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6) 1576 continue; 1577 if (p->af == AF_INET) 1578 got4 = 1; 1579 else 1580 got6 = 1; 1581 n = calloc(1, sizeof(struct node_host)); 1582 if (n == NULL) 1583 err(1, "%s: calloc", __func__); 1584 n->af = p->af; 1585 if (flags & PFI_AFLAG_BROADCAST) 1586 memcpy(&n->addr.v.a.addr, &p->bcast, 1587 sizeof(struct pf_addr)); 1588 else if (flags & PFI_AFLAG_PEER) 1589 memcpy(&n->addr.v.a.addr, &p->peer, 1590 sizeof(struct pf_addr)); 1591 else 1592 memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr, 1593 sizeof(struct pf_addr)); 1594 if (flags & PFI_AFLAG_NETWORK) 1595 set_ipmask(n, unmask(&p->addr.v.a.mask)); 1596 else 1597 set_ipmask(n, -1); 1598 n->ifindex = p->ifindex; 1599 1600 n->next = NULL; 1601 n->tail = n; 1602 if (h == NULL) 1603 h = n; 1604 else { 1605 h->tail->next = n; 1606 h->tail = n; 1607 } 1608 } 1609 return (h); 1610 } 1611 1612 int 1613 ifa_skip_if(const char *filter, struct node_host *p) 1614 { 1615 int n; 1616 1617 if (p->af != AF_INET && p->af != AF_INET6) 1618 return (1); 1619 if (filter == NULL || !*filter) 1620 return (0); 1621 if (!strcmp(p->ifname, filter)) 1622 return (0); /* exact match */ 1623 n = strlen(filter); 1624 if (n < 1 || n >= IFNAMSIZ) 1625 return (1); /* sanity check */ 1626 if (filter[n-1] >= '0' && filter[n-1] <= '9') 1627 return (1); /* only do exact match in that case */ 1628 if (strncmp(p->ifname, filter, n)) 1629 return (1); /* prefix doesn't match */ 1630 return (p->ifname[n] < '0' || p->ifname[n] > '9'); 1631 } 1632 1633 struct node_host * 1634 host(const char *s, int opts) 1635 { 1636 struct node_host *h = NULL, *n; 1637 int mask = -1; 1638 char *p, *ps; 1639 const char *errstr; 1640 1641 if ((ps = strdup(s)) == NULL) 1642 err(1, "%s: strdup", __func__); 1643 1644 if ((p = strchr(ps, '/')) != NULL) { 1645 mask = strtonum(p+1, 0, 128, &errstr); 1646 if (errstr) { 1647 fprintf(stderr, "netmask is %s: %s\n", errstr, p); 1648 goto error; 1649 } 1650 p[0] = '\0'; 1651 } 1652 1653 if ((h = host_if(ps, mask)) == NULL && 1654 (h = host_ip(ps, mask)) == NULL && 1655 (h = host_dns(ps, mask, (opts & PF_OPT_NODNS))) == NULL) { 1656 fprintf(stderr, "no IP address found for %s\n", s); 1657 goto error; 1658 } 1659 1660 for (n = h; n != NULL; n = n->next) { 1661 n->addr.type = PF_ADDR_ADDRMASK; 1662 n->weight = 0; 1663 } 1664 1665 error: 1666 free(ps); 1667 return (h); 1668 } 1669 1670 struct node_host * 1671 host_if(const char *s, int mask) 1672 { 1673 struct node_host *n, *h = NULL; 1674 char *p, *ps; 1675 int flags = 0; 1676 1677 if ((ps = strdup(s)) == NULL) 1678 err(1, "host_if: strdup"); 1679 while ((p = strrchr(ps, ':')) != NULL) { 1680 if (!strcmp(p+1, "network")) 1681 flags |= PFI_AFLAG_NETWORK; 1682 else if (!strcmp(p+1, "broadcast")) 1683 flags |= PFI_AFLAG_BROADCAST; 1684 else if (!strcmp(p+1, "peer")) 1685 flags |= PFI_AFLAG_PEER; 1686 else if (!strcmp(p+1, "0")) 1687 flags |= PFI_AFLAG_NOALIAS; 1688 else 1689 goto error; 1690 *p = '\0'; 1691 } 1692 if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */ 1693 fprintf(stderr, "illegal combination of interface modifiers\n"); 1694 goto error; 1695 } 1696 if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) { 1697 fprintf(stderr, "network or broadcast lookup, but " 1698 "extra netmask given\n"); 1699 goto error; 1700 } 1701 if (ifa_exists(ps) || !strncmp(ps, "self", IFNAMSIZ)) { 1702 /* interface with this name exists */ 1703 h = ifa_lookup(ps, flags); 1704 if (mask > -1) 1705 for (n = h; n != NULL; n = n->next) 1706 set_ipmask(n, mask); 1707 } 1708 1709 error: 1710 free(ps); 1711 return (h); 1712 } 1713 1714 struct node_host * 1715 host_ip(const char *s, int mask) 1716 { 1717 struct addrinfo hints, *res; 1718 struct node_host *h = NULL; 1719 1720 memset(&hints, 0, sizeof(hints)); 1721 hints.ai_family = AF_UNSPEC; 1722 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 1723 hints.ai_flags = AI_NUMERICHOST; 1724 if (getaddrinfo(s, NULL, &hints, &res) == 0) { 1725 h = calloc(1, sizeof(*h)); 1726 if (h == NULL) 1727 err(1, "%s: calloc", __func__); 1728 h->af = res->ai_family; 1729 copy_satopfaddr(&h->addr.v.a.addr, res->ai_addr); 1730 if (h->af == AF_INET6) 1731 h->ifindex = 1732 ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 1733 freeaddrinfo(res); 1734 } else { /* ie. for 10/8 parsing */ 1735 if (mask == -1) 1736 return (NULL); 1737 h = calloc(1, sizeof(*h)); 1738 if (h == NULL) 1739 err(1, "%s: calloc", __func__); 1740 h->af = AF_INET; 1741 if (inet_net_pton(AF_INET, s, &h->addr.v.a.addr.v4, 1742 sizeof(h->addr.v.a.addr.v4)) == -1) { 1743 free(h); 1744 return (NULL); 1745 } 1746 } 1747 set_ipmask(h, mask); 1748 h->ifname = NULL; 1749 h->next = NULL; 1750 h->tail = h; 1751 1752 return (h); 1753 } 1754 1755 struct node_host * 1756 host_dns(const char *s, int mask, int numeric) 1757 { 1758 struct addrinfo hints, *res0, *res; 1759 struct node_host *n, *h = NULL; 1760 int noalias = 0, got4 = 0, got6 = 0; 1761 char *p, *ps; 1762 1763 if ((ps = strdup(s)) == NULL) 1764 err(1, "host_dns: strdup"); 1765 if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) { 1766 noalias = 1; 1767 *p = '\0'; 1768 } 1769 memset(&hints, 0, sizeof(hints)); 1770 hints.ai_family = PF_UNSPEC; 1771 hints.ai_socktype = SOCK_STREAM; /* DUMMY */ 1772 if (numeric) 1773 hints.ai_flags = AI_NUMERICHOST; 1774 if (getaddrinfo(ps, NULL, &hints, &res0) != 0) 1775 goto error; 1776 1777 for (res = res0; res; res = res->ai_next) { 1778 if (res->ai_family != AF_INET && 1779 res->ai_family != AF_INET6) 1780 continue; 1781 if (noalias) { 1782 if (res->ai_family == AF_INET) { 1783 if (got4) 1784 continue; 1785 got4 = 1; 1786 } else { 1787 if (got6) 1788 continue; 1789 got6 = 1; 1790 } 1791 } 1792 n = calloc(1, sizeof(struct node_host)); 1793 if (n == NULL) 1794 err(1, "host_dns: calloc"); 1795 n->ifname = NULL; 1796 n->af = res->ai_family; 1797 copy_satopfaddr(&n->addr.v.a.addr, res->ai_addr); 1798 if (res->ai_family == AF_INET6) 1799 n->ifindex = 1800 ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 1801 set_ipmask(n, mask); 1802 n->next = NULL; 1803 n->tail = n; 1804 if (h == NULL) 1805 h = n; 1806 else { 1807 h->tail->next = n; 1808 h->tail = n; 1809 } 1810 } 1811 freeaddrinfo(res0); 1812 error: 1813 free(ps); 1814 1815 return (h); 1816 } 1817 1818 /* 1819 * convert a hostname to a list of addresses and put them in the given buffer. 1820 * test: 1821 * if set to 1, only simple addresses are accepted (no netblock, no "!"). 1822 */ 1823 int 1824 append_addr(struct pfr_buffer *b, char *s, int test, int opts) 1825 { 1826 static int previous = 0; 1827 static int expect = 0; 1828 struct pfr_addr *a; 1829 struct node_host *h, *n; 1830 char *r; 1831 const char *errstr; 1832 int rv, not = 0, i = 0; 1833 u_int16_t weight; 1834 1835 /* skip weight if given */ 1836 if (strcmp(s, "weight") == 0) { 1837 expect = 1; 1838 return (1); /* expecting further call */ 1839 } 1840 1841 /* check if previous host is set */ 1842 if (expect) { 1843 /* parse and append load balancing weight */ 1844 weight = strtonum(s, 1, USHRT_MAX, &errstr); 1845 if (errstr) { 1846 fprintf(stderr, "failed to convert weight %s\n", s); 1847 return (-1); 1848 } 1849 if (previous != -1) { 1850 PFRB_FOREACH(a, b) { 1851 if (++i >= previous) { 1852 a->pfra_weight = weight; 1853 a->pfra_type = PFRKE_COST; 1854 } 1855 } 1856 } 1857 expect = 0; 1858 return (0); 1859 } 1860 1861 for (r = s; *r == '!'; r++) 1862 not = !not; 1863 if ((n = host(r, opts)) == NULL) { 1864 errno = 0; 1865 return (-1); 1866 } 1867 rv = append_addr_host(b, n, test, not); 1868 previous = b->pfrb_size; 1869 do { 1870 h = n; 1871 n = n->next; 1872 free(h); 1873 } while (n != NULL); 1874 return (rv); 1875 } 1876 1877 /* 1878 * same as previous function, but with a pre-parsed input and the ability 1879 * to "negate" the result. Does not free the node_host list. 1880 * not: 1881 * setting it to 1 is equivalent to adding "!" in front of parameter s. 1882 */ 1883 int 1884 append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not) 1885 { 1886 int bits; 1887 struct pfr_addr addr; 1888 1889 do { 1890 bzero(&addr, sizeof(addr)); 1891 addr.pfra_not = n->not ^ not; 1892 addr.pfra_af = n->af; 1893 addr.pfra_net = unmask(&n->addr.v.a.mask); 1894 if (n->ifname) { 1895 if (strlcpy(addr.pfra_ifname, n->ifname, 1896 sizeof(addr.pfra_ifname)) >= sizeof(addr.pfra_ifname)) 1897 errx(1, "append_addr_host: strlcpy"); 1898 addr.pfra_type = PFRKE_ROUTE; 1899 } 1900 if (n->weight > 0) { 1901 addr.pfra_weight = n->weight; 1902 addr.pfra_type = PFRKE_COST; 1903 } 1904 switch (n->af) { 1905 case AF_INET: 1906 addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0]; 1907 bits = 32; 1908 break; 1909 case AF_INET6: 1910 memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6, 1911 sizeof(struct in6_addr)); 1912 bits = 128; 1913 break; 1914 default: 1915 errno = EINVAL; 1916 return (-1); 1917 } 1918 if ((test && (not || addr.pfra_net != bits)) || 1919 addr.pfra_net > bits) { 1920 errno = EINVAL; 1921 return (-1); 1922 } 1923 if (pfr_buf_add(b, &addr)) 1924 return (-1); 1925 } while ((n = n->next) != NULL); 1926 1927 return (0); 1928 } 1929 1930 int 1931 pfctl_add_trans(struct pfr_buffer *buf, int type, const char *anchor) 1932 { 1933 struct pfioc_trans_e trans; 1934 1935 bzero(&trans, sizeof(trans)); 1936 trans.type = type; 1937 if (strlcpy(trans.anchor, anchor, 1938 sizeof(trans.anchor)) >= sizeof(trans.anchor)) 1939 errx(1, "pfctl_add_trans: strlcpy"); 1940 1941 return pfr_buf_add(buf, &trans); 1942 } 1943 1944 u_int32_t 1945 pfctl_get_ticket(struct pfr_buffer *buf, int type, const char *anchor) 1946 { 1947 struct pfioc_trans_e *p; 1948 1949 PFRB_FOREACH(p, buf) 1950 if (type == p->type && !strcmp(anchor, p->anchor)) 1951 return (p->ticket); 1952 errx(1, "pfctl_get_ticket: assertion failed"); 1953 } 1954 1955 int 1956 pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from) 1957 { 1958 struct pfioc_trans trans; 1959 1960 bzero(&trans, sizeof(trans)); 1961 trans.size = buf->pfrb_size - from; 1962 trans.esize = sizeof(struct pfioc_trans_e); 1963 trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from; 1964 return ioctl(dev, cmd, &trans); 1965 } 1966