1*0feb7a02Shenning /* $OpenBSD: pfctl_parser.c,v 1.292 2013/01/16 01:49:20 henning Exp $ */ 214a9b182Skjell 314a9b182Skjell /* 4fd3c3a0cSderaadt * Copyright (c) 2001 Daniel Hartmeier 5f2553c84Shenning * Copyright (c) 2002,2003 Henning Brauer 614a9b182Skjell * All rights reserved. 714a9b182Skjell * 814a9b182Skjell * Redistribution and use in source and binary forms, with or without 914a9b182Skjell * modification, are permitted provided that the following conditions 1014a9b182Skjell * are met: 1114a9b182Skjell * 1214a9b182Skjell * - Redistributions of source code must retain the above copyright 1314a9b182Skjell * notice, this list of conditions and the following disclaimer. 1414a9b182Skjell * - Redistributions in binary form must reproduce the above 1514a9b182Skjell * copyright notice, this list of conditions and the following 1614a9b182Skjell * disclaimer in the documentation and/or other materials provided 1714a9b182Skjell * with the distribution. 1814a9b182Skjell * 1914a9b182Skjell * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2014a9b182Skjell * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2114a9b182Skjell * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 2214a9b182Skjell * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 235974bd37Sdhartmei * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 2414a9b182Skjell * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 2514a9b182Skjell * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 2614a9b182Skjell * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 2714a9b182Skjell * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2814a9b182Skjell * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 2914a9b182Skjell * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3014a9b182Skjell * POSSIBILITY OF SUCH DAMAGE. 3114a9b182Skjell * 3214a9b182Skjell */ 3314a9b182Skjell 34252d784aSderaadt #include <sys/types.h> 3579cc0068Scedric #include <sys/ioctl.h> 36252d784aSderaadt #include <sys/socket.h> 37252d784aSderaadt #include <net/if.h> 38252d784aSderaadt #include <netinet/in.h> 396329fa59Sderaadt #include <netinet/in_systm.h> 406329fa59Sderaadt #include <netinet/ip.h> 416329fa59Sderaadt #include <netinet/ip_icmp.h> 4230620b12Sfrantzen #include <netinet/icmp6.h> 43252d784aSderaadt #include <net/pfvar.h> 449f13c6caSmillert #include <arpa/inet.h> 45252d784aSderaadt 4614a9b182Skjell #include <stdio.h> 4714a9b182Skjell #include <stdlib.h> 4814a9b182Skjell #include <string.h> 4914a9b182Skjell #include <ctype.h> 5014a9b182Skjell #include <netdb.h> 516329fa59Sderaadt #include <stdarg.h> 526329fa59Sderaadt #include <errno.h> 53ff352a37Smarkus #include <err.h> 5494e9410bShenning #include <ifaddrs.h> 552ff5b035Shenning #include <unistd.h> 5614a9b182Skjell 57a2fdc13dSmcbride #define SYSLOG_NAMES 58a2fdc13dSmcbride #include <syslog.h> 59a2fdc13dSmcbride 6014a9b182Skjell #include "pfctl_parser.h" 61eb824e11Sderaadt #include "pfctl.h" 6214a9b182Skjell 635d9ac2dcSdhartmei void print_op (u_int8_t, const char *, const char *); 64ad85696eShenning void print_port (u_int8_t, u_int16_t, u_int16_t, const char *, int); 651173271aScedric void print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned); 6681a15e5dSderaadt void print_flags (u_int8_t); 6764b4b616Sfrantzen void print_fromto(struct pf_rule_addr *, pf_osfp_t, 6864b4b616Sfrantzen struct pf_rule_addr *, u_int8_t, u_int8_t, int); 697ad220f2Scedric int ifa_skip_if(const char *filter, struct node_host *p); 7014a9b182Skjell 712ff5b035Shenning struct node_host *ifa_grouplookup(const char *, int); 72f2370d27Shenning struct node_host *host_if(const char *, int); 73383ebbbfShenning struct node_host *host_v4(const char *, int); 74f2370d27Shenning struct node_host *host_v6(const char *, int); 75f2370d27Shenning struct node_host *host_dns(const char *, int, int); 762a6c1abaShenning 77361e311cShenning const char *tcpflags = "FSRPAUEW"; 7814a9b182Skjell 797d27d81aSdhartmei static const struct icmptypeent icmp_type[] = { 80082ebc44Swilfried { "echoreq", ICMP_ECHO }, 81082ebc44Swilfried { "echorep", ICMP_ECHOREPLY }, 82082ebc44Swilfried { "unreach", ICMP_UNREACH }, 83082ebc44Swilfried { "squench", ICMP_SOURCEQUENCH }, 84082ebc44Swilfried { "redir", ICMP_REDIRECT }, 85082ebc44Swilfried { "althost", ICMP_ALTHOSTADDR }, 86082ebc44Swilfried { "routeradv", ICMP_ROUTERADVERT }, 87082ebc44Swilfried { "routersol", ICMP_ROUTERSOLICIT }, 88082ebc44Swilfried { "timex", ICMP_TIMXCEED }, 89082ebc44Swilfried { "paramprob", ICMP_PARAMPROB }, 90082ebc44Swilfried { "timereq", ICMP_TSTAMP }, 91082ebc44Swilfried { "timerep", ICMP_TSTAMPREPLY }, 92082ebc44Swilfried { "inforeq", ICMP_IREQ }, 93082ebc44Swilfried { "inforep", ICMP_IREQREPLY }, 94082ebc44Swilfried { "maskreq", ICMP_MASKREQ }, 9502cbcc9eSwilfried { "maskrep", ICMP_MASKREPLY }, 9602cbcc9eSwilfried { "trace", ICMP_TRACEROUTE }, 9702cbcc9eSwilfried { "dataconv", ICMP_DATACONVERR }, 9802cbcc9eSwilfried { "mobredir", ICMP_MOBILE_REDIRECT }, 9902cbcc9eSwilfried { "ipv6-where", ICMP_IPV6_WHEREAREYOU }, 10002cbcc9eSwilfried { "ipv6-here", ICMP_IPV6_IAMHERE }, 10102cbcc9eSwilfried { "mobregreq", ICMP_MOBILE_REGREQUEST }, 10202cbcc9eSwilfried { "mobregrep", ICMP_MOBILE_REGREPLY }, 10302cbcc9eSwilfried { "skip", ICMP_SKIP }, 10402cbcc9eSwilfried { "photuris", ICMP_PHOTURIS } 105082ebc44Swilfried }; 106082ebc44Swilfried 1077d27d81aSdhartmei static const struct icmptypeent icmp6_type[] = { 10830620b12Sfrantzen { "unreach", ICMP6_DST_UNREACH }, 10930620b12Sfrantzen { "toobig", ICMP6_PACKET_TOO_BIG }, 11030620b12Sfrantzen { "timex", ICMP6_TIME_EXCEEDED }, 11130620b12Sfrantzen { "paramprob", ICMP6_PARAM_PROB }, 11230620b12Sfrantzen { "echoreq", ICMP6_ECHO_REQUEST }, 11330620b12Sfrantzen { "echorep", ICMP6_ECHO_REPLY }, 11430620b12Sfrantzen { "groupqry", ICMP6_MEMBERSHIP_QUERY }, 11522a58e88Sitojun { "listqry", MLD_LISTENER_QUERY }, 11630620b12Sfrantzen { "grouprep", ICMP6_MEMBERSHIP_REPORT }, 11722a58e88Sitojun { "listenrep", MLD_LISTENER_REPORT }, 11830620b12Sfrantzen { "groupterm", ICMP6_MEMBERSHIP_REDUCTION }, 11922a58e88Sitojun { "listendone", MLD_LISTENER_DONE }, 12030620b12Sfrantzen { "routersol", ND_ROUTER_SOLICIT }, 12130620b12Sfrantzen { "routeradv", ND_ROUTER_ADVERT }, 12230620b12Sfrantzen { "neighbrsol", ND_NEIGHBOR_SOLICIT }, 12330620b12Sfrantzen { "neighbradv", ND_NEIGHBOR_ADVERT }, 12430620b12Sfrantzen { "redir", ND_REDIRECT }, 12530620b12Sfrantzen { "routrrenum", ICMP6_ROUTER_RENUMBERING }, 12630620b12Sfrantzen { "wrureq", ICMP6_WRUREQUEST }, 12730620b12Sfrantzen { "wrurep", ICMP6_WRUREPLY }, 12830620b12Sfrantzen { "fqdnreq", ICMP6_FQDN_QUERY }, 12930620b12Sfrantzen { "fqdnrep", ICMP6_FQDN_REPLY }, 13030620b12Sfrantzen { "niqry", ICMP6_NI_QUERY }, 13130620b12Sfrantzen { "nirep", ICMP6_NI_REPLY }, 13222a58e88Sitojun { "mtraceresp", MLD_MTRACE_RESP }, 13322a58e88Sitojun { "mtrace", MLD_MTRACE } 13430620b12Sfrantzen }; 13530620b12Sfrantzen 1367d27d81aSdhartmei static const struct icmpcodeent icmp_code[] = { 137082ebc44Swilfried { "net-unr", ICMP_UNREACH, ICMP_UNREACH_NET }, 138082ebc44Swilfried { "host-unr", ICMP_UNREACH, ICMP_UNREACH_HOST }, 139082ebc44Swilfried { "proto-unr", ICMP_UNREACH, ICMP_UNREACH_PROTOCOL }, 140082ebc44Swilfried { "port-unr", ICMP_UNREACH, ICMP_UNREACH_PORT }, 141082ebc44Swilfried { "needfrag", ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG }, 142082ebc44Swilfried { "srcfail", ICMP_UNREACH, ICMP_UNREACH_SRCFAIL }, 143082ebc44Swilfried { "net-unk", ICMP_UNREACH, ICMP_UNREACH_NET_UNKNOWN }, 144082ebc44Swilfried { "host-unk", ICMP_UNREACH, ICMP_UNREACH_HOST_UNKNOWN }, 145082ebc44Swilfried { "isolate", ICMP_UNREACH, ICMP_UNREACH_ISOLATED }, 146082ebc44Swilfried { "net-prohib", ICMP_UNREACH, ICMP_UNREACH_NET_PROHIB }, 147082ebc44Swilfried { "host-prohib", ICMP_UNREACH, ICMP_UNREACH_HOST_PROHIB }, 148082ebc44Swilfried { "net-tos", ICMP_UNREACH, ICMP_UNREACH_TOSNET }, 149082ebc44Swilfried { "host-tos", ICMP_UNREACH, ICMP_UNREACH_TOSHOST }, 150082ebc44Swilfried { "filter-prohib", ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB }, 151082ebc44Swilfried { "host-preced", ICMP_UNREACH, ICMP_UNREACH_HOST_PRECEDENCE }, 152082ebc44Swilfried { "cutoff-preced", ICMP_UNREACH, ICMP_UNREACH_PRECEDENCE_CUTOFF }, 153082ebc44Swilfried { "redir-net", ICMP_REDIRECT, ICMP_REDIRECT_NET }, 154082ebc44Swilfried { "redir-host", ICMP_REDIRECT, ICMP_REDIRECT_HOST }, 155082ebc44Swilfried { "redir-tos-net", ICMP_REDIRECT, ICMP_REDIRECT_TOSNET }, 156082ebc44Swilfried { "redir-tos-host", ICMP_REDIRECT, ICMP_REDIRECT_TOSHOST }, 15702cbcc9eSwilfried { "normal-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NORMAL }, 15802cbcc9eSwilfried { "common-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NOROUTE_COMMON }, 159082ebc44Swilfried { "transit", ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS }, 160082ebc44Swilfried { "reassemb", ICMP_TIMXCEED, ICMP_TIMXCEED_REASS }, 161082ebc44Swilfried { "badhead", ICMP_PARAMPROB, ICMP_PARAMPROB_ERRATPTR }, 162082ebc44Swilfried { "optmiss", ICMP_PARAMPROB, ICMP_PARAMPROB_OPTABSENT }, 16302cbcc9eSwilfried { "badlen", ICMP_PARAMPROB, ICMP_PARAMPROB_LENGTH }, 16402cbcc9eSwilfried { "unknown-ind", ICMP_PHOTURIS, ICMP_PHOTURIS_UNKNOWN_INDEX }, 16502cbcc9eSwilfried { "auth-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_AUTH_FAILED }, 16602cbcc9eSwilfried { "decrypt-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_DECRYPT_FAILED } 167082ebc44Swilfried }; 168082ebc44Swilfried 1697d27d81aSdhartmei static const struct icmpcodeent icmp6_code[] = { 1701d32ee3bSdhartmei { "admin-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN }, 1711d32ee3bSdhartmei { "noroute-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE }, 17230620b12Sfrantzen { "notnbr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOTNEIGHBOR }, 17330620b12Sfrantzen { "beyond-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_BEYONDSCOPE }, 17430620b12Sfrantzen { "addr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR }, 17530620b12Sfrantzen { "port-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT }, 17630620b12Sfrantzen { "transit", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_TRANSIT }, 17730620b12Sfrantzen { "reassemb", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_REASSEMBLY }, 17830620b12Sfrantzen { "badhead", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER }, 17930620b12Sfrantzen { "nxthdr", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_NEXTHEADER }, 18030620b12Sfrantzen { "redironlink", ND_REDIRECT, ND_REDIRECT_ONLINK }, 18130620b12Sfrantzen { "redirrouter", ND_REDIRECT, ND_REDIRECT_ROUTER } 18230620b12Sfrantzen }; 18330620b12Sfrantzen 184d593fb91Sdrahn const struct pf_timeout pf_timeouts[] = { 185d593fb91Sdrahn { "tcp.first", PFTM_TCP_FIRST_PACKET }, 186d593fb91Sdrahn { "tcp.opening", PFTM_TCP_OPENING }, 187d593fb91Sdrahn { "tcp.established", PFTM_TCP_ESTABLISHED }, 188d593fb91Sdrahn { "tcp.closing", PFTM_TCP_CLOSING }, 189d593fb91Sdrahn { "tcp.finwait", PFTM_TCP_FIN_WAIT }, 190d593fb91Sdrahn { "tcp.closed", PFTM_TCP_CLOSED }, 19198d12bd8Sfrantzen { "tcp.tsdiff", PFTM_TS_DIFF }, 192d593fb91Sdrahn { "udp.first", PFTM_UDP_FIRST_PACKET }, 193d593fb91Sdrahn { "udp.single", PFTM_UDP_SINGLE }, 194d593fb91Sdrahn { "udp.multiple", PFTM_UDP_MULTIPLE }, 195d593fb91Sdrahn { "icmp.first", PFTM_ICMP_FIRST_PACKET }, 196d593fb91Sdrahn { "icmp.error", PFTM_ICMP_ERROR_REPLY }, 197d593fb91Sdrahn { "other.first", PFTM_OTHER_FIRST_PACKET }, 198d593fb91Sdrahn { "other.single", PFTM_OTHER_SINGLE }, 199d593fb91Sdrahn { "other.multiple", PFTM_OTHER_MULTIPLE }, 200d593fb91Sdrahn { "frag", PFTM_FRAG }, 201d593fb91Sdrahn { "interval", PFTM_INTERVAL }, 202a85e74a5Sdhartmei { "adaptive.start", PFTM_ADAPTIVE_START }, 203a85e74a5Sdhartmei { "adaptive.end", PFTM_ADAPTIVE_END }, 204fd777407Smcbride { "src.track", PFTM_SRC_NODE }, 205d593fb91Sdrahn { NULL, 0 } 206d593fb91Sdrahn }; 207d593fb91Sdrahn 208a64374fdSmcbride enum { PF_POOL_ROUTE, PF_POOL_NAT, PF_POOL_RDR }; 209a64374fdSmcbride 2107d27d81aSdhartmei const struct icmptypeent * 211bb9f691eSmcbride geticmptypebynumber(u_int8_t type, sa_family_t af) 212082ebc44Swilfried { 213ed99c291Sderaadt unsigned int i; 214082ebc44Swilfried 215d14c53d7Swilfried if (af != AF_INET6) { 216e4ebe044Shenning for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0])); 217e4ebe044Shenning i++) { 218082ebc44Swilfried if (type == icmp_type[i].type) 219082ebc44Swilfried return (&icmp_type[i]); 220082ebc44Swilfried } 22130620b12Sfrantzen } else { 22230620b12Sfrantzen for (i=0; i < (sizeof (icmp6_type) / 22330620b12Sfrantzen sizeof(icmp6_type[0])); i++) { 22430620b12Sfrantzen if (type == icmp6_type[i].type) 22530620b12Sfrantzen return (&icmp6_type[i]); 22630620b12Sfrantzen } 22730620b12Sfrantzen } 22830620b12Sfrantzen return (NULL); 229082ebc44Swilfried } 230082ebc44Swilfried 2317d27d81aSdhartmei const struct icmptypeent * 232bb9f691eSmcbride geticmptypebyname(char *w, sa_family_t af) 233082ebc44Swilfried { 234ed99c291Sderaadt unsigned int i; 235082ebc44Swilfried 236d14c53d7Swilfried if (af != AF_INET6) { 237e4ebe044Shenning for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0])); 238e4ebe044Shenning i++) { 239082ebc44Swilfried if (!strcmp(w, icmp_type[i].name)) 240082ebc44Swilfried return (&icmp_type[i]); 241082ebc44Swilfried } 24230620b12Sfrantzen } else { 24330620b12Sfrantzen for (i=0; i < (sizeof (icmp6_type) / 24430620b12Sfrantzen sizeof(icmp6_type[0])); i++) { 24530620b12Sfrantzen if (!strcmp(w, icmp6_type[i].name)) 24630620b12Sfrantzen return (&icmp6_type[i]); 24730620b12Sfrantzen } 24830620b12Sfrantzen } 24930620b12Sfrantzen return (NULL); 250082ebc44Swilfried } 251082ebc44Swilfried 2527d27d81aSdhartmei const struct icmpcodeent * 253bb9f691eSmcbride geticmpcodebynumber(u_int8_t type, u_int8_t code, sa_family_t af) 254082ebc44Swilfried { 255ed99c291Sderaadt unsigned int i; 256082ebc44Swilfried 257d14c53d7Swilfried if (af != AF_INET6) { 258e4ebe044Shenning for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0])); 259e4ebe044Shenning i++) { 26030620b12Sfrantzen if (type == icmp_code[i].type && 26130620b12Sfrantzen code == icmp_code[i].code) 262082ebc44Swilfried return (&icmp_code[i]); 263082ebc44Swilfried } 26430620b12Sfrantzen } else { 26530620b12Sfrantzen for (i=0; i < (sizeof (icmp6_code) / 26630620b12Sfrantzen sizeof(icmp6_code[0])); i++) { 26730620b12Sfrantzen if (type == icmp6_code[i].type && 26830620b12Sfrantzen code == icmp6_code[i].code) 26930620b12Sfrantzen return (&icmp6_code[i]); 27030620b12Sfrantzen } 27130620b12Sfrantzen } 27230620b12Sfrantzen return (NULL); 273082ebc44Swilfried } 274082ebc44Swilfried 2757d27d81aSdhartmei const struct icmpcodeent * 276bb9f691eSmcbride geticmpcodebyname(u_long type, char *w, sa_family_t af) 277082ebc44Swilfried { 278ed99c291Sderaadt unsigned int i; 279082ebc44Swilfried 280d14c53d7Swilfried if (af != AF_INET6) { 281e4ebe044Shenning for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0])); 282e4ebe044Shenning i++) { 28330620b12Sfrantzen if (type == icmp_code[i].type && 28430620b12Sfrantzen !strcmp(w, icmp_code[i].name)) 285082ebc44Swilfried return (&icmp_code[i]); 286082ebc44Swilfried } 28730620b12Sfrantzen } else { 28830620b12Sfrantzen for (i=0; i < (sizeof (icmp6_code) / 28930620b12Sfrantzen sizeof(icmp6_code[0])); i++) { 29030620b12Sfrantzen if (type == icmp6_code[i].type && 29130620b12Sfrantzen !strcmp(w, icmp6_code[i].name)) 29230620b12Sfrantzen return (&icmp6_code[i]); 29330620b12Sfrantzen } 29430620b12Sfrantzen } 29530620b12Sfrantzen return (NULL); 29630620b12Sfrantzen } 29730620b12Sfrantzen 298a2fdc13dSmcbride /* 299a2fdc13dSmcbride * Decode a symbolic name to a numeric value. 300a2fdc13dSmcbride * From syslogd. 301a2fdc13dSmcbride */ 302a2fdc13dSmcbride int 303a2fdc13dSmcbride string_to_loglevel(const char *name) 304a2fdc13dSmcbride { 305a2fdc13dSmcbride CODE *c; 306a2fdc13dSmcbride char *p, buf[40]; 307a2fdc13dSmcbride 308a2fdc13dSmcbride if (isdigit(*name)) 309a2fdc13dSmcbride return (atoi(name)); 310a2fdc13dSmcbride 311a2fdc13dSmcbride for (p = buf; *name && p < &buf[sizeof(buf) - 1]; p++, name++) { 312a2fdc13dSmcbride if (isupper(*name)) 313a2fdc13dSmcbride *p = tolower(*name); 314a2fdc13dSmcbride else 315a2fdc13dSmcbride *p = *name; 316a2fdc13dSmcbride } 317a2fdc13dSmcbride *p = '\0'; 318a2fdc13dSmcbride for (c = prioritynames; c->c_name; c++) 319d07c4539Sbluhm if (!strcmp(buf, c->c_name) && c->c_val != INTERNAL_NOPRI) 320a2fdc13dSmcbride return (c->c_val); 321a2fdc13dSmcbride 322a2fdc13dSmcbride return (-1); 323a2fdc13dSmcbride } 324a2fdc13dSmcbride 325a2fdc13dSmcbride const char * 326a2fdc13dSmcbride loglevel_to_string(int level) 327a2fdc13dSmcbride { 328a2fdc13dSmcbride CODE *c; 329a2fdc13dSmcbride 330a2fdc13dSmcbride for (c = prioritynames; c->c_name; c++) 331a2fdc13dSmcbride if (c->c_val == level) 332a2fdc13dSmcbride return (c->c_name); 333a2fdc13dSmcbride 334a2fdc13dSmcbride return ("unknown"); 335a2fdc13dSmcbride } 336a2fdc13dSmcbride 33781a15e5dSderaadt void 3385d9ac2dcSdhartmei print_op(u_int8_t op, const char *a1, const char *a2) 3395d9ac2dcSdhartmei { 3405d9ac2dcSdhartmei if (op == PF_OP_IRG) 3415d9ac2dcSdhartmei printf(" %s >< %s", a1, a2); 3425d9ac2dcSdhartmei else if (op == PF_OP_XRG) 3435d9ac2dcSdhartmei printf(" %s <> %s", a1, a2); 3441308506cShenning else if (op == PF_OP_EQ) 3455d9ac2dcSdhartmei printf(" = %s", a1); 3461308506cShenning else if (op == PF_OP_NE) 3475d9ac2dcSdhartmei printf(" != %s", a1); 3481308506cShenning else if (op == PF_OP_LT) 3495d9ac2dcSdhartmei printf(" < %s", a1); 3505d9ac2dcSdhartmei else if (op == PF_OP_LE) 3515d9ac2dcSdhartmei printf(" <= %s", a1); 3525d9ac2dcSdhartmei else if (op == PF_OP_GT) 3535d9ac2dcSdhartmei printf(" > %s", a1); 3545d9ac2dcSdhartmei else if (op == PF_OP_GE) 3555d9ac2dcSdhartmei printf(" >= %s", a1); 3568da4e377Smcbride else if (op == PF_OP_RRG) 3578da4e377Smcbride printf(" %s:%s", a1, a2); 3585d9ac2dcSdhartmei } 3595d9ac2dcSdhartmei 3605d9ac2dcSdhartmei void 361ad85696eShenning print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto, int opts) 36214a9b182Skjell { 363e31d21c9Sdhartmei char a1[6], a2[6]; 364ad85696eShenning struct servent *s = NULL; 36581a15e5dSderaadt 366ad85696eShenning if (opts & PF_OPT_PORTNAMES) 367e4ebe044Shenning s = getservbyport(p1, proto); 36814a9b182Skjell p1 = ntohs(p1); 36914a9b182Skjell p2 = ntohs(p2); 3705d9ac2dcSdhartmei snprintf(a1, sizeof(a1), "%u", p1); 3715d9ac2dcSdhartmei snprintf(a2, sizeof(a2), "%u", p2); 37214a9b182Skjell printf(" port"); 3735d9ac2dcSdhartmei if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE)) 3745d9ac2dcSdhartmei print_op(op, s->s_name, a2); 37514a9b182Skjell else 3765d9ac2dcSdhartmei print_op(op, a1, a2); 3775d9ac2dcSdhartmei } 3785d9ac2dcSdhartmei 3795d9ac2dcSdhartmei void 3801173271aScedric print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax) 3815d9ac2dcSdhartmei { 382d8fcd2dfSdhartmei char a1[11], a2[11]; 3835d9ac2dcSdhartmei 3845d9ac2dcSdhartmei snprintf(a1, sizeof(a1), "%u", u1); 3855d9ac2dcSdhartmei snprintf(a2, sizeof(a2), "%u", u2); 3865d9ac2dcSdhartmei printf(" %s", t); 3871173271aScedric if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE)) 388c16ab608Sdhartmei print_op(op, "unknown", a2); 389c16ab608Sdhartmei else 390c16ab608Sdhartmei print_op(op, a1, a2); 391c16ab608Sdhartmei } 392c16ab608Sdhartmei 393c16ab608Sdhartmei void 39414a9b182Skjell print_flags(u_int8_t f) 39514a9b182Skjell { 39614a9b182Skjell int i; 39781a15e5dSderaadt 398bc795af0Shugh for (i = 0; tcpflags[i]; ++i) 39914a9b182Skjell if (f & (1 << i)) 40014a9b182Skjell printf("%c", tcpflags[i]); 40114a9b182Skjell } 40214a9b182Skjell 40314a9b182Skjell void 40464b4b616Sfrantzen print_fromto(struct pf_rule_addr *src, pf_osfp_t osfp, struct pf_rule_addr *dst, 405ad85696eShenning sa_family_t af, u_int8_t proto, int opts) 40615e76891Sdhartmei { 40764b4b616Sfrantzen char buf[PF_OSFP_LEN*3]; 408ad85696eShenning int verbose = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 4091173271aScedric if (src->addr.type == PF_ADDR_ADDRMASK && 4101173271aScedric dst->addr.type == PF_ADDR_ADDRMASK && 411bcf142a4Sdhartmei PF_AZERO(&src->addr.v.a.addr, AF_INET6) && 412bcf142a4Sdhartmei PF_AZERO(&src->addr.v.a.mask, AF_INET6) && 4131173271aScedric PF_AZERO(&dst->addr.v.a.addr, AF_INET6) && 4141173271aScedric PF_AZERO(&dst->addr.v.a.mask, AF_INET6) && 415d4008a34Sdhartmei !src->neg && !dst->neg && 41664b4b616Sfrantzen !src->port_op && !dst->port_op && 41764b4b616Sfrantzen osfp == PF_OSFP_ANY) 41815e76891Sdhartmei printf(" all"); 41915e76891Sdhartmei else { 42015e76891Sdhartmei printf(" from "); 421d4008a34Sdhartmei if (src->neg) 42215e76891Sdhartmei printf("! "); 42344f5ed0aScedric print_addr(&src->addr, af, verbose); 42415e76891Sdhartmei if (src->port_op) 42515e76891Sdhartmei print_port(src->port_op, src->port[0], 42615e76891Sdhartmei src->port[1], 427ad85696eShenning proto == IPPROTO_TCP ? "tcp" : "udp", opts); 42864b4b616Sfrantzen if (osfp != PF_OSFP_ANY) 42964b4b616Sfrantzen printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf, 43064b4b616Sfrantzen sizeof(buf))); 43115e76891Sdhartmei 43215e76891Sdhartmei printf(" to "); 433d4008a34Sdhartmei if (dst->neg) 43415e76891Sdhartmei printf("! "); 43544f5ed0aScedric print_addr(&dst->addr, af, verbose); 43615e76891Sdhartmei if (dst->port_op) 43715e76891Sdhartmei print_port(dst->port_op, dst->port[0], 43815e76891Sdhartmei dst->port[1], 439ad85696eShenning proto == IPPROTO_TCP ? "tcp" : "udp", opts); 44015e76891Sdhartmei } 44115e76891Sdhartmei } 44215e76891Sdhartmei 44315e76891Sdhartmei void 444e0c302d0Smcbride print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2, 44536754172Smcbride sa_family_t af, int id, int verbose) 4463a44df3cSmcbride { 44736754172Smcbride if (pool->ifname[0]) { 448a2f57b9fSmcbride if (!PF_AZERO(&pool->addr.v.a.addr, af)) { 44936754172Smcbride print_addr(&pool->addr, af, verbose); 450a2f57b9fSmcbride printf("@"); 451a2f57b9fSmcbride } 452a2f57b9fSmcbride printf("%s", pool->ifname); 45336754172Smcbride } else 45436754172Smcbride print_addr(&pool->addr, af, verbose); 455e0c302d0Smcbride switch (id) { 456a64374fdSmcbride case PF_POOL_NAT: 4579782f7a2Smcbride if ((p1 != PF_NAT_PROXY_PORT_LOW || 4589782f7a2Smcbride p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) { 459e0c302d0Smcbride if (p1 == p2) 460e0c302d0Smcbride printf(" port %u", p1); 461e0c302d0Smcbride else 462e0c302d0Smcbride printf(" port %u:%u", p1, p2); 463e0c302d0Smcbride } 464e0c302d0Smcbride break; 465a64374fdSmcbride case PF_POOL_RDR: 466e0c302d0Smcbride if (p1) { 4678da4e377Smcbride printf(" port %u", p1); 4688da4e377Smcbride if (p2 && (p2 != p1)) 4698da4e377Smcbride printf(":%u", p2); 470e0c302d0Smcbride } 471e0c302d0Smcbride break; 472e0c302d0Smcbride default: 473e0c302d0Smcbride break; 474e0c302d0Smcbride } 475e0c302d0Smcbride switch (pool->opts & PF_POOL_TYPEMASK) { 476e0c302d0Smcbride case PF_POOL_NONE: 477e0c302d0Smcbride break; 478e0c302d0Smcbride case PF_POOL_BITMASK: 479e0c302d0Smcbride printf(" bitmask"); 480e0c302d0Smcbride break; 481e0c302d0Smcbride case PF_POOL_RANDOM: 482e0c302d0Smcbride printf(" random"); 483e0c302d0Smcbride break; 484e0c302d0Smcbride case PF_POOL_SRCHASH: 4850436fa02Smcbride printf(" source-hash 0x%08x%08x%08x%08x", 486e0c302d0Smcbride pool->key.key32[0], pool->key.key32[1], 487e0c302d0Smcbride pool->key.key32[2], pool->key.key32[3]); 488e0c302d0Smcbride break; 489e0c302d0Smcbride case PF_POOL_ROUNDROBIN: 490e0c302d0Smcbride printf(" round-robin"); 491e0c302d0Smcbride break; 492bcb11948Szinke case PF_POOL_LEASTSTATES: 493bcb11948Szinke printf(" least-states"); 494bcb11948Szinke break; 495e0c302d0Smcbride } 496fd777407Smcbride if (pool->opts & PF_POOL_STICKYADDR) 497fd777407Smcbride printf(" sticky-address"); 498a64374fdSmcbride if (id == PF_POOL_NAT && p1 == 0 && p2 == 0) 499e0c302d0Smcbride printf(" static-port"); 5003a44df3cSmcbride } 5013a44df3cSmcbride 502132c30ccShenning const char *pf_reasons[PFRES_MAX+1] = PFRES_NAMES; 5036b640f62Smcbride const char *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES; 504132c30ccShenning const char *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES; 505fd777407Smcbride const char *pf_scounters[FCNT_MAX+1] = FCNT_NAMES; 50699a73934Sderaadt 50714a9b182Skjell void 508fd777407Smcbride print_status(struct pf_status *s, int opts) 50914a9b182Skjell { 510a2fdc13dSmcbride char statline[80], *running, *debug; 511c474e331Shenning time_t runtime; 51299a73934Sderaadt int i; 513a1973c63Ssturm char buf[PF_MD5_DIGEST_LENGTH * 2 + 1]; 514010eb8d3Smpf static const char hex[] = "0123456789abcdef"; 51599a73934Sderaadt 516c474e331Shenning runtime = time(NULL) - s->since; 5175191b30fScedric running = s->running ? "Enabled" : "Disabled"; 518c474e331Shenning 5195191b30fScedric if (s->since) { 520db93f2f1Sderaadt unsigned int sec, min, hrs, day = runtime; 521d85e4ad6Sdhartmei 522d85e4ad6Sdhartmei sec = day % 60; 523d85e4ad6Sdhartmei day /= 60; 524d85e4ad6Sdhartmei min = day % 60; 525d85e4ad6Sdhartmei day /= 60; 526d85e4ad6Sdhartmei hrs = day % 24; 527d85e4ad6Sdhartmei day /= 24; 528c474e331Shenning snprintf(statline, sizeof(statline), 5295191b30fScedric "Status: %s for %u days %.2u:%.2u:%.2u", 5305191b30fScedric running, day, hrs, min, sec); 531d85e4ad6Sdhartmei } else 5325191b30fScedric snprintf(statline, sizeof(statline), "Status: %s", running); 533c97b4ee1Shenning printf("%-44s", statline); 534a2fdc13dSmcbride asprintf(&debug, "Debug: %s", loglevel_to_string(s->debug)); 535a2fdc13dSmcbride printf("%15s\n\n", debug); 536e2714f7cSderaadt free(debug); 537f6e85b8dSmcbride 538f6e85b8dSmcbride if (opts & PF_OPT_VERBOSE) { 539010eb8d3Smpf printf("Hostid: 0x%08x\n", ntohl(s->hostid)); 540010eb8d3Smpf 541a1973c63Ssturm for (i = 0; i < PF_MD5_DIGEST_LENGTH; i++) { 542010eb8d3Smpf buf[i + i] = hex[s->pf_chksum[i] >> 4]; 543010eb8d3Smpf buf[i + i + 1] = hex[s->pf_chksum[i] & 0x0f]; 544010eb8d3Smpf } 545010eb8d3Smpf buf[i + i] = '\0'; 546010eb8d3Smpf printf("Checksum: 0x%s\n\n", buf); 547f6e85b8dSmcbride } 548010eb8d3Smpf 549c474e331Shenning if (s->ifname[0] != 0) { 550c474e331Shenning printf("Interface Stats for %-16s %5s %16s\n", 551c474e331Shenning s->ifname, "IPv4", "IPv6"); 552c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes In", 553ef22e615Sdhartmei (unsigned long long)s->bcounters[0][0], 554ef22e615Sdhartmei (unsigned long long)s->bcounters[1][0]); 555c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes Out", 556ef22e615Sdhartmei (unsigned long long)s->bcounters[0][1], 557ef22e615Sdhartmei (unsigned long long)s->bcounters[1][1]); 558c474e331Shenning printf(" Packets In\n"); 559c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 560ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_PASS], 561ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_PASS]); 562c474e331Shenning printf(" %-23s %14llu %16llu\n", "Blocked", 563ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_DROP], 564ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_DROP]); 565c474e331Shenning printf(" Packets Out\n"); 566c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 567ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_PASS], 568ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_PASS]); 569c474e331Shenning printf(" %-23s %14llu %16llu\n\n", "Blocked", 570ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_DROP], 571ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_DROP]); 572c474e331Shenning } 573c474e331Shenning printf("%-27s %14s %16s\n", "State Table", "Total", "Rate"); 574c474e331Shenning printf(" %-25s %14u %14s\n", "current entries", s->states, ""); 575c474e331Shenning for (i = 0; i < FCNT_MAX; i++) { 576ea4ec064Sitojun printf(" %-25s %14llu ", pf_fcounters[i], 577ea4ec064Sitojun (unsigned long long)s->fcounters[i]); 578c474e331Shenning if (runtime > 0) 579c474e331Shenning printf("%14.1f/s\n", 580c474e331Shenning (double)s->fcounters[i] / (double)runtime); 581c474e331Shenning else 582c474e331Shenning printf("%14s\n", ""); 583c474e331Shenning } 584fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 585fd777407Smcbride printf("Source Tracking Table\n"); 586fd777407Smcbride printf(" %-25s %14u %14s\n", "current entries", 587fd777407Smcbride s->src_nodes, ""); 588fd777407Smcbride for (i = 0; i < SCNT_MAX; i++) { 589fd777407Smcbride printf(" %-25s %14lld ", pf_scounters[i], 590fd777407Smcbride s->scounters[i]); 591fd777407Smcbride if (runtime > 0) 592fd777407Smcbride printf("%14.1f/s\n", 593fd777407Smcbride (double)s->scounters[i] / (double)runtime); 594fd777407Smcbride else 595fd777407Smcbride printf("%14s\n", ""); 596fd777407Smcbride } 597fd777407Smcbride } 59899a73934Sderaadt printf("Counters\n"); 599c474e331Shenning for (i = 0; i < PFRES_MAX; i++) { 600ea4ec064Sitojun printf(" %-25s %14llu ", pf_reasons[i], 601ea4ec064Sitojun (unsigned long long)s->counters[i]); 602c474e331Shenning if (runtime > 0) 603c474e331Shenning printf("%14.1f/s\n", 604c474e331Shenning (double)s->counters[i] / (double)runtime); 605c474e331Shenning else 606c474e331Shenning printf("%14s\n", ""); 607c474e331Shenning } 6086b640f62Smcbride if (opts & PF_OPT_VERBOSE) { 6096b640f62Smcbride printf("Limit Counters\n"); 6106b640f62Smcbride for (i = 0; i < LCNT_MAX; i++) { 6116b640f62Smcbride printf(" %-25s %14lld ", pf_lcounters[i], 6126b640f62Smcbride s->lcounters[i]); 6136b640f62Smcbride if (runtime > 0) 6146b640f62Smcbride printf("%14.1f/s\n", 6156b640f62Smcbride (double)s->lcounters[i] / (double)runtime); 6166b640f62Smcbride else 6176b640f62Smcbride printf("%14s\n", ""); 6186b640f62Smcbride } 6196b640f62Smcbride } 62014a9b182Skjell } 62114a9b182Skjell 62214a9b182Skjell void 623fd777407Smcbride print_src_node(struct pf_src_node *sn, int opts) 624fd777407Smcbride { 625fd777407Smcbride struct pf_addr_wrap aw; 626fd777407Smcbride int min, sec; 627fd777407Smcbride 628fd777407Smcbride memset(&aw, 0, sizeof(aw)); 629fd777407Smcbride if (sn->af == AF_INET) 630fd777407Smcbride aw.v.a.mask.addr32[0] = 0xffffffff; 631fd777407Smcbride else 632fd777407Smcbride memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask)); 633fd777407Smcbride 634fd777407Smcbride aw.v.a.addr = sn->addr; 635fd777407Smcbride print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 636c3e2fff9Shenning 637c3e2fff9Shenning if (!PF_AZERO(&sn->raddr, sn->af)) { 638c3e2fff9Shenning if (sn->type == PF_SN_NAT) 639c3e2fff9Shenning printf(" nat-to "); 640c3e2fff9Shenning else if (sn->type == PF_SN_RDR) 641c3e2fff9Shenning printf(" rdr-to "); 642c3e2fff9Shenning else if (sn->type == PF_SN_ROUTE) 643c3e2fff9Shenning printf(" route-to "); 644c3e2fff9Shenning else 645c3e2fff9Shenning printf(" ??? (%u) ", sn->type); 646fd777407Smcbride aw.v.a.addr = sn->raddr; 6470cde32ceSclaudio print_addr(&aw, sn->naf ? sn->naf : sn->af, 6480cde32ceSclaudio opts & PF_OPT_VERBOSE2); 649c3e2fff9Shenning } 650c3e2fff9Shenning 6516b640f62Smcbride printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states, 6526b640f62Smcbride sn->conn, sn->conn_rate.count / 1000, 6536b640f62Smcbride (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds); 654fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 655fd777407Smcbride sec = sn->creation % 60; 656fd777407Smcbride sn->creation /= 60; 657fd777407Smcbride min = sn->creation % 60; 658fd777407Smcbride sn->creation /= 60; 659fd777407Smcbride printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec); 660fd777407Smcbride if (sn->states == 0) { 661fd777407Smcbride sec = sn->expire % 60; 662fd777407Smcbride sn->expire /= 60; 663fd777407Smcbride min = sn->expire % 60; 664fd777407Smcbride sn->expire /= 60; 665fd777407Smcbride printf(", expires in %.2u:%.2u:%.2u", 666fd777407Smcbride sn->expire, min, sec); 667fd777407Smcbride } 668b19e9e6fSmcbride printf(", %llu pkts, %llu bytes", 669b19e9e6fSmcbride sn->packets[0] + sn->packets[1], 67059b61cdeShenning sn->bytes[0] + sn->bytes[1]); 671fd777407Smcbride if (sn->rule.nr != -1) 672c3e2fff9Shenning printf(", rule %u", sn->rule.nr); 673fd777407Smcbride printf("\n"); 674fd777407Smcbride } 675fd777407Smcbride } 676fd777407Smcbride 677fd777407Smcbride void 678ad85696eShenning print_rule(struct pf_rule *r, const char *anchor_call, int opts) 67914a9b182Skjell { 6800e8bc214Saaron static const char *actiontypes[] = { "pass", "block", "scrub", 681e9953237Shenning "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr", 682e9953237Shenning "", "", "match"}; 6831173271aScedric static const char *anchortypes[] = { "anchor", "anchor", "anchor", 6840e8bc214Saaron "anchor", "nat-anchor", "nat-anchor", "binat-anchor", 6850e8bc214Saaron "binat-anchor", "rdr-anchor", "rdr-anchor" }; 6866992ade7Shenning int i, ropts; 687ad85696eShenning int verbose = opts & (PF_OPT_VERBOSE2 | PF_OPT_DEBUG); 688f9a568a2Smcbride char *p; 689cc5f0329Sdhartmei 69074dc4fddShenning if (verbose) 69178baf774Sdhartmei printf("@%d ", r->nr); 692e9953237Shenning if (r->action > PF_MATCH) 6931173271aScedric printf("action(%d)", r->action); 694305ca21dSmcbride else if (anchor_call[0]) { 695f9a568a2Smcbride p = strrchr(anchor_call, '/'); 696f9a568a2Smcbride if (p ? p[1] == '_' : anchor_call[0] == '_') 697305ca21dSmcbride printf("%s", anchortypes[r->action]); 698f9a568a2Smcbride else 699e77e5dc4Sjaredy printf("%s \"%s\"", anchortypes[r->action], 700e77e5dc4Sjaredy anchor_call); 701e151341fShenning } else 7021173271aScedric printf("%s", actiontypes[r->action]); 7031173271aScedric if (r->action == PF_DROP) { 7048a87542aShenning if (r->rule_flag & PFRULE_RETURN) 7058a87542aShenning printf(" return"); 7068a87542aShenning else if (r->rule_flag & PFRULE_RETURNRST) { 7071f77cc8aSpb if (!r->return_ttl) 70814a9b182Skjell printf(" return-rst"); 7091f77cc8aSpb else 7101f77cc8aSpb printf(" return-rst(ttl %d)", r->return_ttl); 711328b2decShenning } else if (r->rule_flag & PFRULE_RETURNICMP) { 712328b2decShenning const struct icmpcodeent *ic, *ic6; 713b996d042Sdhartmei 714b996d042Sdhartmei ic = geticmpcodebynumber(r->return_icmp >> 8, 715328b2decShenning r->return_icmp & 255, AF_INET); 716328b2decShenning ic6 = geticmpcodebynumber(r->return_icmp6 >> 8, 717328b2decShenning r->return_icmp6 & 255, AF_INET6); 718d14c53d7Swilfried 719328b2decShenning switch (r->af) { 720328b2decShenning case AF_INET: 721328b2decShenning printf(" return-icmp"); 722d14c53d7Swilfried if (ic == NULL) 723d14c53d7Swilfried printf("(%u)", r->return_icmp & 255); 724b996d042Sdhartmei else 725328b2decShenning printf("(%s)", ic->name); 726328b2decShenning break; 727328b2decShenning case AF_INET6: 728328b2decShenning printf(" return-icmp6"); 729328b2decShenning if (ic6 == NULL) 730328b2decShenning printf("(%u)", r->return_icmp6 & 255); 731328b2decShenning else 732328b2decShenning printf("(%s)", ic6->name); 733328b2decShenning break; 734328b2decShenning default: 735328b2decShenning printf(" return-icmp"); 736328b2decShenning if (ic == NULL) 737328b2decShenning printf("(%u, ", r->return_icmp & 255); 738328b2decShenning else 739328b2decShenning printf("(%s, ", ic->name); 740328b2decShenning if (ic6 == NULL) 741328b2decShenning printf("%u)", r->return_icmp6 & 255); 742328b2decShenning else 743328b2decShenning printf("%s)", ic6->name); 744328b2decShenning break; 745328b2decShenning } 746acf2444cShenning } else 747acf2444cShenning printf(" drop"); 7481173271aScedric } 7497189e280Sdhartmei if (r->direction == PF_IN) 75014a9b182Skjell printf(" in"); 7517189e280Sdhartmei else if (r->direction == PF_OUT) 75214a9b182Skjell printf(" out"); 753a46dc179Sdhartmei if (r->log) { 754a46dc179Sdhartmei printf(" log"); 755f565c2a8Shenning if (r->log & ~PF_LOG || r->logif) { 7561cb19346Sdhartmei int count = 0; 7571cb19346Sdhartmei 758a46dc179Sdhartmei printf(" ("); 7591cb19346Sdhartmei if (r->log & PF_LOG_ALL) 7601cb19346Sdhartmei printf("%sall", count++ ? ", " : ""); 761f496e916Shenning if (r->log & PF_LOG_MATCHES) 762f496e916Shenning printf("%smatches", count++ ? ", " : ""); 763a46dc179Sdhartmei if (r->log & PF_LOG_SOCKET_LOOKUP) 7641cb19346Sdhartmei printf("%suser", count++ ? ", " : ""); 765f565c2a8Shenning if (r->logif) 766f565c2a8Shenning printf("%sto pflog%u", count++ ? ", " : "", 767f565c2a8Shenning r->logif); 768a46dc179Sdhartmei printf(")"); 769a46dc179Sdhartmei } 770a46dc179Sdhartmei } 77114a9b182Skjell if (r->quick) 77214a9b182Skjell printf(" quick"); 7737d0c9138Shenning if (r->ifname[0]) { 7747d0c9138Shenning if (r->ifnot) 7757d0c9138Shenning printf(" on ! %s", r->ifname); 7767d0c9138Shenning else 77714a9b182Skjell printf(" on %s", r->ifname); 7787d0c9138Shenning } 7799e70289eSclaudio if (r->onrdomain >= 0) { 7809e70289eSclaudio if (r->ifnot) 7819e70289eSclaudio printf(" on ! rdomain %i", r->onrdomain); 7829e70289eSclaudio else 7839e70289eSclaudio printf(" on rdomain %i", r->onrdomain); 7849e70289eSclaudio } 78530620b12Sfrantzen if (r->af) { 78630620b12Sfrantzen if (r->af == AF_INET) 78730620b12Sfrantzen printf(" inet"); 78830620b12Sfrantzen else 78930620b12Sfrantzen printf(" inet6"); 79030620b12Sfrantzen } 79114a9b182Skjell if (r->proto) { 792e4ebe044Shenning struct protoent *p; 793ed99c291Sderaadt 794e4ebe044Shenning if ((p = getprotobynumber(r->proto)) != NULL) 79514a9b182Skjell printf(" proto %s", p->p_name); 79614a9b182Skjell else 79714a9b182Skjell printf(" proto %u", r->proto); 79814a9b182Skjell } 79964b4b616Sfrantzen print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto, 800ad85696eShenning opts); 80195b43208Sdlg if (r->rcv_ifname[0]) 80295b43208Sdlg printf(" received-on %s", r->rcv_ifname); 803c16ab608Sdhartmei if (r->uid.op) 8041173271aScedric print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user", 8051173271aScedric UID_MAX); 806c16ab608Sdhartmei if (r->gid.op) 8071173271aScedric print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group", 8081173271aScedric GID_MAX); 80914a9b182Skjell if (r->flags || r->flagset) { 81014a9b182Skjell printf(" flags "); 81114a9b182Skjell print_flags(r->flags); 81214a9b182Skjell printf("/"); 81314a9b182Skjell print_flags(r->flagset); 814e9953237Shenning } else if ((r->action == PF_PASS || r->action == PF_MATCH) && 815bd9b24faSmcbride (!r->proto || r->proto == IPPROTO_TCP) && 816bd9b24faSmcbride !(r->rule_flag & PFRULE_FRAGMENT) && 817be73131dSmcbride !anchor_call[0] && r->keep_state) 818bd9b24faSmcbride printf(" flags any"); 819082ebc44Swilfried if (r->type) { 820b49ca6bbShenning const struct icmptypeent *it; 821082ebc44Swilfried 822b49ca6bbShenning it = geticmptypebynumber(r->type-1, r->af); 823d14c53d7Swilfried if (r->af != AF_INET6) 824d14c53d7Swilfried printf(" icmp-type"); 825082ebc44Swilfried else 826d0cb3502Smcbride printf(" icmp6-type"); 827b49ca6bbShenning if (it != NULL) 828b49ca6bbShenning printf(" %s", it->name); 829d14c53d7Swilfried else 830d14c53d7Swilfried printf(" %u", r->type-1); 831082ebc44Swilfried if (r->code) { 832b49ca6bbShenning const struct icmpcodeent *ic; 833082ebc44Swilfried 834b49ca6bbShenning ic = geticmpcodebynumber(r->type-1, r->code-1, r->af); 835b49ca6bbShenning if (ic != NULL) 836b49ca6bbShenning printf(" code %s", ic->name); 837082ebc44Swilfried else 83814a9b182Skjell printf(" code %u", r->code-1); 839082ebc44Swilfried } 840082ebc44Swilfried } 841e4cbe364Sdhartmei if (r->tos) 842e4cbe364Sdhartmei printf(" tos 0x%2.2x", r->tos); 8436ac157faSmcbride 844*0feb7a02Shenning if (r->scrub_flags & PFSTATE_SETMASK || r->qname[0]) { 845f8b0ac7eShenning char *comma = ""; 8462aa5186dShenning printf(" set ("); 84708263cb1Shenning if (r->scrub_flags & PFSTATE_SETPRIO) { 848f8b0ac7eShenning if (r->set_prio[0] == r->set_prio[1]) 849f8b0ac7eShenning printf("%s prio %u", comma, r->set_prio[0]); 850f8b0ac7eShenning else 851f8b0ac7eShenning printf("%s prio(%u, %u)", comma, r->set_prio[0], 852f8b0ac7eShenning r->set_prio[1]); 853f8b0ac7eShenning comma = ","; 854f8b0ac7eShenning } 855*0feb7a02Shenning if (r->qname[0]) { 856*0feb7a02Shenning if (r->pqname[0]) 857*0feb7a02Shenning printf("%s queue(%s, %s)", comma, r->qname, 858*0feb7a02Shenning r->pqname); 859*0feb7a02Shenning else 860*0feb7a02Shenning printf("%s queue %s", comma, r->qname); 861*0feb7a02Shenning comma = ","; 862*0feb7a02Shenning } 863f8b0ac7eShenning if (r->scrub_flags & PFSTATE_SETTOS) { 864f8b0ac7eShenning printf("%s tos 0x%2.2x", comma, r->set_tos); 865f8b0ac7eShenning comma = ","; 866f8b0ac7eShenning } 8672aa5186dShenning printf(" )"); 868f8b0ac7eShenning } 869f8b0ac7eShenning 8706992ade7Shenning ropts = 0; 8716ac157faSmcbride if (r->max_states || r->max_src_nodes || r->max_src_states) 8726992ade7Shenning ropts = 1; 8736ac157faSmcbride if (r->rule_flag & PFRULE_NOSYNC) 8746992ade7Shenning ropts = 1; 8756ac157faSmcbride if (r->rule_flag & PFRULE_SRCTRACK) 8766992ade7Shenning ropts = 1; 8776ac157faSmcbride if (r->rule_flag & PFRULE_IFBOUND) 8786992ade7Shenning ropts = 1; 8796ac157faSmcbride if (r->rule_flag & PFRULE_STATESLOPPY) 8806992ade7Shenning ropts = 1; 8816ac157faSmcbride if (r->rule_flag & PFRULE_PFLOW) 8826992ade7Shenning ropts = 1; 8836992ade7Shenning for (i = 0; !ropts && i < PFTM_MAX; ++i) 8846ac157faSmcbride if (r->timeout[i]) 8856992ade7Shenning ropts = 1; 8866ac157faSmcbride 887bd9b24faSmcbride if (!r->keep_state && r->action == PF_PASS && !anchor_call[0]) 888f644f0ccSmcbride printf(" no state"); 8896992ade7Shenning else if (r->keep_state == PF_STATE_NORMAL && ropts) 89014a9b182Skjell printf(" keep state"); 891b96c47abSfrantzen else if (r->keep_state == PF_STATE_MODULATE) 892b96c47abSfrantzen printf(" modulate state"); 89352e0438eSdhartmei else if (r->keep_state == PF_STATE_SYNPROXY) 89452e0438eSdhartmei printf(" synproxy state"); 89538425613Scedric if (r->prob) { 89638425613Scedric char buf[20]; 89738425613Scedric 89838425613Scedric snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0)); 89938425613Scedric for (i = strlen(buf)-1; i > 0; i--) { 90038425613Scedric if (buf[i] == '0') 90138425613Scedric buf[i] = '\0'; 90238425613Scedric else { 90338425613Scedric if (buf[i] == '.') 90438425613Scedric buf[i] = '\0'; 90538425613Scedric break; 90638425613Scedric } 90738425613Scedric } 90838425613Scedric printf(" probability %s%%", buf); 90938425613Scedric } 9106992ade7Shenning if (ropts) { 911cc5f0329Sdhartmei printf(" ("); 912cc5f0329Sdhartmei if (r->max_states) { 913cc5f0329Sdhartmei printf("max %u", r->max_states); 9146992ade7Shenning ropts = 0; 915cc5f0329Sdhartmei } 916af80fa86Smcbride if (r->rule_flag & PFRULE_NOSYNC) { 9176992ade7Shenning if (!ropts) 918af80fa86Smcbride printf(", "); 919af80fa86Smcbride printf("no-sync"); 9206992ade7Shenning ropts = 0; 921af80fa86Smcbride } 922fd777407Smcbride if (r->rule_flag & PFRULE_SRCTRACK) { 9236992ade7Shenning if (!ropts) 924fd777407Smcbride printf(", "); 925fd777407Smcbride printf("source-track"); 926fd777407Smcbride if (r->rule_flag & PFRULE_RULESRCTRACK) 927fd777407Smcbride printf(" rule"); 928fd777407Smcbride else 929fd777407Smcbride printf(" global"); 9306992ade7Shenning ropts = 0; 931fd777407Smcbride } 932fd777407Smcbride if (r->max_src_states) { 9336992ade7Shenning if (!ropts) 934fd777407Smcbride printf(", "); 935fd777407Smcbride printf("max-src-states %u", r->max_src_states); 9366992ade7Shenning ropts = 0; 937fd777407Smcbride } 9386b640f62Smcbride if (r->max_src_conn) { 9396992ade7Shenning if (!ropts) 9406b640f62Smcbride printf(", "); 9416b640f62Smcbride printf("max-src-conn %u", r->max_src_conn); 9426992ade7Shenning ropts = 0; 9436b640f62Smcbride } 9446b640f62Smcbride if (r->max_src_conn_rate.limit) { 9456992ade7Shenning if (!ropts) 9466b640f62Smcbride printf(", "); 9476b640f62Smcbride printf("max-src-conn-rate %u/%u", 9486b640f62Smcbride r->max_src_conn_rate.limit, 9496b640f62Smcbride r->max_src_conn_rate.seconds); 9506992ade7Shenning ropts = 0; 9516b640f62Smcbride } 952fd777407Smcbride if (r->max_src_nodes) { 9536992ade7Shenning if (!ropts) 954fd777407Smcbride printf(", "); 955fd777407Smcbride printf("max-src-nodes %u", r->max_src_nodes); 9566992ade7Shenning ropts = 0; 957fd777407Smcbride } 9586b640f62Smcbride if (r->overload_tblname[0]) { 9596992ade7Shenning if (!ropts) 9606b640f62Smcbride printf(", "); 9616b640f62Smcbride printf("overload <%s>", r->overload_tblname); 9621e320a53Sdhartmei if (r->flush) 9636b640f62Smcbride printf(" flush"); 9641e320a53Sdhartmei if (r->flush & PF_FLUSH_GLOBAL) 9651e320a53Sdhartmei printf(" global"); 9666b640f62Smcbride } 967ec359bd5Scedric if (r->rule_flag & PFRULE_IFBOUND) { 9686992ade7Shenning if (!ropts) 969ec359bd5Scedric printf(", "); 970ec359bd5Scedric printf("if-bound"); 9716992ade7Shenning ropts = 0; 972ec359bd5Scedric } 9734dc07d4cShenning if (r->rule_flag & PFRULE_STATESLOPPY) { 9746992ade7Shenning if (!ropts) 9754dc07d4cShenning printf(", "); 9764dc07d4cShenning printf("sloppy"); 9776992ade7Shenning ropts = 0; 9784dc07d4cShenning } 97918ae10f7Shenning if (r->rule_flag & PFRULE_PFLOW) { 9806992ade7Shenning if (!ropts) 98118ae10f7Shenning printf(", "); 98218ae10f7Shenning printf("pflow"); 9836992ade7Shenning ropts = 0; 98418ae10f7Shenning } 985cc5f0329Sdhartmei for (i = 0; i < PFTM_MAX; ++i) 986cc5f0329Sdhartmei if (r->timeout[i]) { 987ae233f99Sdhartmei int j; 988ae233f99Sdhartmei 9896992ade7Shenning if (!ropts) 990cc5f0329Sdhartmei printf(", "); 9916992ade7Shenning ropts = 0; 9927e5eec99Sdhartmei for (j = 0; pf_timeouts[j].name != NULL; 9937e5eec99Sdhartmei ++j) 994ae233f99Sdhartmei if (pf_timeouts[j].timeout == i) 995ae233f99Sdhartmei break; 9967e5eec99Sdhartmei printf("%s %u", pf_timeouts[j].name == NULL ? 9977e5eec99Sdhartmei "inv.timeout" : pf_timeouts[j].name, 9987e5eec99Sdhartmei r->timeout[i]); 999cc5f0329Sdhartmei } 1000cc5f0329Sdhartmei printf(")"); 1001cc5f0329Sdhartmei } 1002e9953237Shenning 1003ddd010a2Sdavid if (r->rule_flag & PFRULE_FRAGMENT) 1004ddd010a2Sdavid printf(" fragment"); 1005ddd010a2Sdavid 1006c4051035Shenning if (r->scrub_flags & PFSTATE_SCRUBMASK || r->min_ttl || r->max_mss) { 1007e9953237Shenning printf(" scrub ("); 10086992ade7Shenning ropts = 1; 100922923725Shenning if (r->scrub_flags & PFSTATE_NODF) { 101067d2a440Sprovos printf("no-df"); 10116992ade7Shenning ropts = 0; 101222923725Shenning } 101322923725Shenning if (r->scrub_flags & PFSTATE_RANDOMID) { 10146992ade7Shenning if (!ropts) 101522923725Shenning printf(" "); 1016edbe3066Sdhartmei printf("random-id"); 10176992ade7Shenning ropts = 0; 101822923725Shenning } 101922923725Shenning if (r->min_ttl) { 10206992ade7Shenning if (!ropts) 102122923725Shenning printf(" "); 102234c76dcbSprovos printf("min-ttl %d", r->min_ttl); 10236992ade7Shenning ropts = 0; 102422923725Shenning } 102522923725Shenning if (r->scrub_flags & PFSTATE_SCRUB_TCP) { 10266992ade7Shenning if (!ropts) 102722923725Shenning printf(" "); 1028e9953237Shenning printf("reassemble tcp"); 10296992ade7Shenning ropts = 0; 103022923725Shenning } 103122923725Shenning if (r->max_mss) { 10326992ade7Shenning if (!ropts) 103322923725Shenning printf(" "); 1034cfa91859Sjasoni printf("max-mss %d", r->max_mss); 10356992ade7Shenning ropts = 0; 103622923725Shenning } 1037e9953237Shenning printf(")"); 1038e9953237Shenning } 1039e9953237Shenning 1040f48d62b3Sdhartmei if (r->allow_opts) 1041f48d62b3Sdhartmei printf(" allow-opts"); 1042455ef0c1Sdhartmei if (r->label[0]) 1043ff45dfa8Scamield printf(" label \"%s\"", r->label); 104444b1b5a8Smikeb if (r->rule_flag & PFRULE_ONCE) 104544b1b5a8Smikeb printf(" once"); 10468aecb81aShenning if (r->tagname[0]) 10478aecb81aShenning printf(" tag %s", r->tagname); 104836369899Shenning if (r->match_tagname[0]) { 104936369899Shenning if (r->match_tag_not) 105036369899Shenning printf(" !"); 10510a5f7f2fShenning printf(" tagged %s", r->match_tagname); 105236369899Shenning } 10535e931757Shenning if (r->rtableid != -1) 10545e931757Shenning printf(" rtable %u", r->rtableid); 1055eb900600Smarkus if (r->divert.port) { 1056fd27dbffSbluhm if (PF_AZERO(&r->divert.addr, AF_INET6)) { 1057eb900600Smarkus printf(" divert-reply"); 1058eb900600Smarkus } else { 1059eb900600Smarkus /* XXX cut&paste from print_addr */ 1060eb900600Smarkus char buf[48]; 1061eb900600Smarkus 1062eb900600Smarkus printf(" divert-to "); 1063eb900600Smarkus if (inet_ntop(r->af, &r->divert.addr, buf, 1064eb900600Smarkus sizeof(buf)) == NULL) 1065eb900600Smarkus printf("?"); 1066eb900600Smarkus else 1067eb900600Smarkus printf("%s", buf); 1068782435eaSmarkus printf(" port %u", ntohs(r->divert.port)); 1069eb900600Smarkus } 1070eb900600Smarkus } 1071d85f7bc1Smichele if (r->divert_packet.port) 1072d85f7bc1Smichele printf(" divert-packet port %u", ntohs(r->divert_packet.port)); 10730cde32ceSclaudio 10740cde32ceSclaudio if (!anchor_call[0] && r->nat.addr.type != PF_ADDR_NONE && 1075fc302162Smikeb r->rule_flag & PFRULE_AFTO) { 10760cde32ceSclaudio printf(" af-to %s from ", r->naf == AF_INET ? "inet" : "inet6"); 10770cde32ceSclaudio print_pool(&r->nat, r->nat.proxy_port[0], 10780cde32ceSclaudio r->nat.proxy_port[1], r->naf ? r->naf : r->af, 10790cde32ceSclaudio PF_POOL_NAT, verbose); 10800cde32ceSclaudio if (r->rdr.addr.type != PF_ADDR_NONE) { 10810cde32ceSclaudio printf(" to "); 10820cde32ceSclaudio print_pool(&r->rdr, r->rdr.proxy_port[0], 10830cde32ceSclaudio r->rdr.proxy_port[1], r->naf ? r->naf : r->af, 10840cde32ceSclaudio PF_POOL_RDR, verbose); 10850cde32ceSclaudio } 10860cde32ceSclaudio } else if (!anchor_call[0] && r->nat.addr.type != PF_ADDR_NONE) { 10870ef3d4feShenning printf (" nat-to "); 10880ef3d4feShenning print_pool(&r->nat, r->nat.proxy_port[0], 10890cde32ceSclaudio r->nat.proxy_port[1], r->naf ? r->naf : r->af, 10900cde32ceSclaudio PF_POOL_NAT, verbose); 10910cde32ceSclaudio } else if (!anchor_call[0] && r->rdr.addr.type != PF_ADDR_NONE) { 10920ef3d4feShenning printf (" rdr-to "); 10930ef3d4feShenning print_pool(&r->rdr, r->rdr.proxy_port[0], 1094a64374fdSmcbride r->rdr.proxy_port[1], r->af, PF_POOL_RDR, verbose); 1095d0aca2f2Shenning } 109669e22b15Sreyk if (r->rt) { 109769e22b15Sreyk if (r->rt == PF_ROUTETO) 109869e22b15Sreyk printf(" route-to"); 109969e22b15Sreyk else if (r->rt == PF_REPLYTO) 110069e22b15Sreyk printf(" reply-to"); 110169e22b15Sreyk else if (r->rt == PF_DUPTO) 110269e22b15Sreyk printf(" dup-to"); 110369e22b15Sreyk printf(" "); 1104a64374fdSmcbride print_pool(&r->route, 0, 0, r->af, PF_POOL_ROUTE, verbose); 110569e22b15Sreyk } 110669e22b15Sreyk } 110714a9b182Skjell 11085b6c447dScedric void 11095b6c447dScedric print_tabledef(const char *name, int flags, int addrs, 11105b6c447dScedric struct node_tinithead *nodes) 11115b6c447dScedric { 11125b6c447dScedric struct node_tinit *ti, *nti; 11135b6c447dScedric struct node_host *h; 11145b6c447dScedric 11155b6c447dScedric printf("table <%s>", name); 11165b6c447dScedric if (flags & PFR_TFLAG_CONST) 11175b6c447dScedric printf(" const"); 11185b6c447dScedric if (flags & PFR_TFLAG_PERSIST) 11195b6c447dScedric printf(" persist"); 11205f03a6e1Smcbride if (flags & PFR_TFLAG_COUNTERS) 11215f03a6e1Smcbride printf(" counters"); 11225b6c447dScedric SIMPLEQ_FOREACH(ti, nodes, entries) { 11235b6c447dScedric if (ti->file) { 11245b6c447dScedric printf(" file \"%s\"", ti->file); 11255b6c447dScedric continue; 11265b6c447dScedric } 11275b6c447dScedric printf(" {"); 11285b6c447dScedric for (;;) { 11295b6c447dScedric for (h = ti->host; h != NULL; h = h->next) { 11305b6c447dScedric printf(h->not ? " !" : " "); 11315b6c447dScedric print_addr(&h->addr, h->af, 0); 113236754172Smcbride if (h->ifname) 113336754172Smcbride printf("@%s", h->ifname); 11345b6c447dScedric } 11355b6c447dScedric nti = SIMPLEQ_NEXT(ti, entries); 11365b6c447dScedric if (nti != NULL && nti->file == NULL) 11375b6c447dScedric ti = nti; /* merge lists */ 11385b6c447dScedric else 11395b6c447dScedric break; 11405b6c447dScedric } 11415b6c447dScedric printf(" }"); 11425b6c447dScedric } 11435b6c447dScedric if (addrs && SIMPLEQ_EMPTY(nodes)) 11445b6c447dScedric printf(" { }"); 11455b6c447dScedric printf("\n"); 11465b6c447dScedric } 11475b6c447dScedric 11481f8f21bdSmillert int 1149ff352a37Smarkus parse_flags(char *s) 115014a9b182Skjell { 1151ff352a37Smarkus char *p, *q; 115214a9b182Skjell u_int8_t f = 0; 115381a15e5dSderaadt 1154ff352a37Smarkus for (p = s; *p; p++) { 1155ff352a37Smarkus if ((q = strchr(tcpflags, *p)) == NULL) 1156ff352a37Smarkus return -1; 1157ff352a37Smarkus else 1158ff352a37Smarkus f |= 1 << (q - tcpflags); 115914a9b182Skjell } 1160bc795af0Shugh return (f ? f : PF_TH_ALL); 116114a9b182Skjell } 116294e9410bShenning 116394e9410bShenning void 116494e9410bShenning set_ipmask(struct node_host *h, u_int8_t b) 116594e9410bShenning { 116694e9410bShenning struct pf_addr *m, *n; 116794e9410bShenning int i, j = 0; 116894e9410bShenning 116994e9410bShenning m = &h->addr.v.a.mask; 1170ab648bf6Sfrantzen memset(m, 0, sizeof(*m)); 117194e9410bShenning 117294e9410bShenning while (b >= 32) { 117394e9410bShenning m->addr32[j++] = 0xffffffff; 117494e9410bShenning b -= 32; 117594e9410bShenning } 117694e9410bShenning for (i = 31; i > 31-b; --i) 117794e9410bShenning m->addr32[j] |= (1 << i); 117894e9410bShenning if (b) 117994e9410bShenning m->addr32[j] = htonl(m->addr32[j]); 118094e9410bShenning 118194e9410bShenning /* Mask off bits of the address that will never be used. */ 118294e9410bShenning n = &h->addr.v.a.addr; 1183ff626af1Shenning if (h->addr.type == PF_ADDR_ADDRMASK) 118494e9410bShenning for (i = 0; i < 4; i++) 118594e9410bShenning n->addr32[i] = n->addr32[i] & m->addr32[i]; 118694e9410bShenning } 118794e9410bShenning 118852f4a4a4Shenning int 118952f4a4a4Shenning check_netmask(struct node_host *h, sa_family_t af) 119052f4a4a4Shenning { 119152f4a4a4Shenning struct node_host *n = NULL; 119252f4a4a4Shenning struct pf_addr *m; 119352f4a4a4Shenning 119452f4a4a4Shenning for (n = h; n != NULL; n = n->next) { 119575d911b5Scedric if (h->addr.type == PF_ADDR_TABLE) 119675d911b5Scedric continue; 119752f4a4a4Shenning m = &h->addr.v.a.mask; 119852f4a4a4Shenning /* fix up netmask for dynaddr */ 119952f4a4a4Shenning if (af == AF_INET && h->addr.type == PF_ADDR_DYNIFTL && 120052f4a4a4Shenning unmask(m, AF_INET6) > 32) 120152f4a4a4Shenning set_ipmask(n, 32); 120252f4a4a4Shenning /* netmasks > 32 bit are invalid on v4 */ 120352f4a4a4Shenning if (af == AF_INET && 120452f4a4a4Shenning (m->addr32[1] || m->addr32[2] || m->addr32[3])) { 120552f4a4a4Shenning fprintf(stderr, "netmask %u invalid for IPv4 address\n", 120652f4a4a4Shenning unmask(m, AF_INET6)); 120752f4a4a4Shenning return (1); 120852f4a4a4Shenning } 120952f4a4a4Shenning } 121052f4a4a4Shenning return (0); 121152f4a4a4Shenning } 121252f4a4a4Shenning 121394e9410bShenning /* interface lookup routines */ 121494e9410bShenning 121594e9410bShenning struct node_host *iftab; 121694e9410bShenning 121794e9410bShenning void 121894e9410bShenning ifa_load(void) 121994e9410bShenning { 122094e9410bShenning struct ifaddrs *ifap, *ifa; 122194e9410bShenning struct node_host *n = NULL, *h = NULL; 122294e9410bShenning 122394e9410bShenning if (getifaddrs(&ifap) < 0) 122494e9410bShenning err(1, "getifaddrs"); 122594e9410bShenning 122694e9410bShenning for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 122794e9410bShenning if (!(ifa->ifa_addr->sa_family == AF_INET || 122894e9410bShenning ifa->ifa_addr->sa_family == AF_INET6 || 122994e9410bShenning ifa->ifa_addr->sa_family == AF_LINK)) 123094e9410bShenning continue; 123194e9410bShenning n = calloc(1, sizeof(struct node_host)); 123294e9410bShenning if (n == NULL) 123394e9410bShenning err(1, "address: calloc"); 123494e9410bShenning n->af = ifa->ifa_addr->sa_family; 123594e9410bShenning n->ifa_flags = ifa->ifa_flags; 123694e9410bShenning #ifdef __KAME__ 123794e9410bShenning if (n->af == AF_INET6 && 123894e9410bShenning IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *) 123994e9410bShenning ifa->ifa_addr)->sin6_addr) && 1240ab642153Shenning ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id == 1241ab642153Shenning 0) { 124294e9410bShenning struct sockaddr_in6 *sin6; 124394e9410bShenning 124494e9410bShenning sin6 = (struct sockaddr_in6 *)ifa->ifa_addr; 124594e9410bShenning sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 | 124694e9410bShenning sin6->sin6_addr.s6_addr[3]; 124794e9410bShenning sin6->sin6_addr.s6_addr[2] = 0; 124894e9410bShenning sin6->sin6_addr.s6_addr[3] = 0; 124994e9410bShenning } 125094e9410bShenning #endif 125194e9410bShenning n->ifindex = 0; 125294e9410bShenning if (n->af == AF_INET) { 125394e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in *) 125494e9410bShenning ifa->ifa_addr)->sin_addr.s_addr, 125594e9410bShenning sizeof(struct in_addr)); 125694e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in *) 125794e9410bShenning ifa->ifa_netmask)->sin_addr.s_addr, 125894e9410bShenning sizeof(struct in_addr)); 125994e9410bShenning if (ifa->ifa_broadaddr != NULL) 126094e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in *) 126194e9410bShenning ifa->ifa_broadaddr)->sin_addr.s_addr, 126294e9410bShenning sizeof(struct in_addr)); 1263ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1264ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in *) 1265ec359bd5Scedric ifa->ifa_dstaddr)->sin_addr.s_addr, 1266ec359bd5Scedric sizeof(struct in_addr)); 126794e9410bShenning } else if (n->af == AF_INET6) { 126894e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in6 *) 126994e9410bShenning ifa->ifa_addr)->sin6_addr.s6_addr, 127094e9410bShenning sizeof(struct in6_addr)); 127194e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in6 *) 127294e9410bShenning ifa->ifa_netmask)->sin6_addr.s6_addr, 127394e9410bShenning sizeof(struct in6_addr)); 127494e9410bShenning if (ifa->ifa_broadaddr != NULL) 127594e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in6 *) 127694e9410bShenning ifa->ifa_broadaddr)->sin6_addr.s6_addr, 127794e9410bShenning sizeof(struct in6_addr)); 1278ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1279ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in6 *) 1280ec359bd5Scedric ifa->ifa_dstaddr)->sin6_addr.s6_addr, 1281ec359bd5Scedric sizeof(struct in6_addr)); 128294e9410bShenning n->ifindex = ((struct sockaddr_in6 *) 128394e9410bShenning ifa->ifa_addr)->sin6_scope_id; 128494e9410bShenning } 128594e9410bShenning if ((n->ifname = strdup(ifa->ifa_name)) == NULL) 128694e9410bShenning err(1, "ifa_load: strdup"); 128794e9410bShenning n->next = NULL; 128894e9410bShenning n->tail = n; 128994e9410bShenning if (h == NULL) 129094e9410bShenning h = n; 129194e9410bShenning else { 129294e9410bShenning h->tail->next = n; 129394e9410bShenning h->tail = n; 129494e9410bShenning } 129594e9410bShenning } 1296ec359bd5Scedric 129794e9410bShenning iftab = h; 129894e9410bShenning freeifaddrs(ifap); 129994e9410bShenning } 130094e9410bShenning 130194e9410bShenning struct node_host * 13026c3582faShenning ifa_exists(const char *ifa_name) 130394e9410bShenning { 130494e9410bShenning struct node_host *n; 13052ff5b035Shenning struct ifgroupreq ifgr; 13062ff5b035Shenning int s; 130794e9410bShenning 130894e9410bShenning if (iftab == NULL) 130994e9410bShenning ifa_load(); 131094e9410bShenning 1311855d4e83Ssobrado /* check whether this is a group */ 13122ff5b035Shenning if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 13132ff5b035Shenning err(1, "socket"); 13142ff5b035Shenning bzero(&ifgr, sizeof(ifgr)); 13152ff5b035Shenning strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 13162ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == 0) { 13172ff5b035Shenning /* fake a node_host */ 13182ff5b035Shenning if ((n = calloc(1, sizeof(*n))) == NULL) 13192ff5b035Shenning err(1, "calloc"); 13202ff5b035Shenning if ((n->ifname = strdup(ifa_name)) == NULL) 13212ff5b035Shenning err(1, "strdup"); 13222ff5b035Shenning close(s); 13232ff5b035Shenning return (n); 13242ff5b035Shenning } 13252ff5b035Shenning close(s); 13262ff5b035Shenning 132794e9410bShenning for (n = iftab; n; n = n->next) { 132894e9410bShenning if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ)) 132994e9410bShenning return (n); 133094e9410bShenning } 1331655a9f8aShenning 133294e9410bShenning return (NULL); 133394e9410bShenning } 133494e9410bShenning 133594e9410bShenning struct node_host * 13362ff5b035Shenning ifa_grouplookup(const char *ifa_name, int flags) 13372ff5b035Shenning { 13382ff5b035Shenning struct ifg_req *ifg; 13392ff5b035Shenning struct ifgroupreq ifgr; 13402ff5b035Shenning int s, len; 1341727cb2f7Sdhartmei struct node_host *n, *h = NULL; 13422ff5b035Shenning 13432ff5b035Shenning if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 13442ff5b035Shenning err(1, "socket"); 13452ff5b035Shenning bzero(&ifgr, sizeof(ifgr)); 13462ff5b035Shenning strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 13472ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) { 13482ff5b035Shenning close(s); 13492ff5b035Shenning return (NULL); 13502ff5b035Shenning } 13512ff5b035Shenning 13522ff5b035Shenning len = ifgr.ifgr_len; 13532ff5b035Shenning if ((ifgr.ifgr_groups = calloc(1, len)) == NULL) 13542ff5b035Shenning err(1, "calloc"); 13552ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) 13562ff5b035Shenning err(1, "SIOCGIFGMEMB"); 13572ff5b035Shenning 13582ff5b035Shenning for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(struct ifg_req); 13592ff5b035Shenning ifg++) { 13602ff5b035Shenning len -= sizeof(struct ifg_req); 136117b44c41Shenning if ((n = ifa_lookup(ifg->ifgrq_member, flags)) == NULL) 136217b44c41Shenning continue; 13632ff5b035Shenning if (h == NULL) 13642ff5b035Shenning h = n; 13652ff5b035Shenning else { 1366727cb2f7Sdhartmei h->tail->next = n; 1367727cb2f7Sdhartmei h->tail = n->tail; 13682ff5b035Shenning } 13692ff5b035Shenning } 13702ff5b035Shenning free(ifgr.ifgr_groups); 13712ff5b035Shenning close(s); 13722ff5b035Shenning 13732ff5b035Shenning return (h); 13742ff5b035Shenning } 13752ff5b035Shenning 13762ff5b035Shenning struct node_host * 1377ec359bd5Scedric ifa_lookup(const char *ifa_name, int flags) 137894e9410bShenning { 137994e9410bShenning struct node_host *p = NULL, *h = NULL, *n = NULL; 13807ad220f2Scedric int got4 = 0, got6 = 0; 1381ec359bd5Scedric const char *last_if = NULL; 138294e9410bShenning 13832ff5b035Shenning if ((h = ifa_grouplookup(ifa_name, flags)) != NULL) 13842ff5b035Shenning return (h); 13852ff5b035Shenning 138694e9410bShenning if (!strncmp(ifa_name, "self", IFNAMSIZ)) 13877ad220f2Scedric ifa_name = NULL; 138894e9410bShenning 138994e9410bShenning if (iftab == NULL) 139094e9410bShenning ifa_load(); 139194e9410bShenning 139294e9410bShenning for (p = iftab; p; p = p->next) { 13937ad220f2Scedric if (ifa_skip_if(ifa_name, p)) 139494e9410bShenning continue; 1395ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET) 139694e9410bShenning continue; 1397ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && 1398ec359bd5Scedric !(p->ifa_flags & IFF_BROADCAST)) 139994e9410bShenning continue; 1400ec359bd5Scedric if ((flags & PFI_AFLAG_PEER) && 1401ec359bd5Scedric !(p->ifa_flags & IFF_POINTOPOINT)) 1402ec359bd5Scedric continue; 1403ec359bd5Scedric if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0) 1404ec359bd5Scedric continue; 1405ec359bd5Scedric if (last_if == NULL || strcmp(last_if, p->ifname)) 1406ec359bd5Scedric got4 = got6 = 0; 1407ec359bd5Scedric last_if = p->ifname; 1408ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4) 1409ec359bd5Scedric continue; 1410ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6) 1411ec359bd5Scedric continue; 1412ec359bd5Scedric if (p->af == AF_INET) 1413ec359bd5Scedric got4 = 1; 1414ec359bd5Scedric else 1415ec359bd5Scedric got6 = 1; 141694e9410bShenning n = calloc(1, sizeof(struct node_host)); 141794e9410bShenning if (n == NULL) 141894e9410bShenning err(1, "address: calloc"); 141994e9410bShenning n->af = p->af; 1420ec359bd5Scedric if (flags & PFI_AFLAG_BROADCAST) 142194e9410bShenning memcpy(&n->addr.v.a.addr, &p->bcast, 142294e9410bShenning sizeof(struct pf_addr)); 1423ec359bd5Scedric else if (flags & PFI_AFLAG_PEER) 1424ec359bd5Scedric memcpy(&n->addr.v.a.addr, &p->peer, 1425ec359bd5Scedric sizeof(struct pf_addr)); 142694e9410bShenning else 142794e9410bShenning memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr, 142894e9410bShenning sizeof(struct pf_addr)); 1429ec359bd5Scedric if (flags & PFI_AFLAG_NETWORK) 143094e9410bShenning set_ipmask(n, unmask(&p->addr.v.a.mask, n->af)); 143194e9410bShenning else { 143294e9410bShenning if (n->af == AF_INET) { 143394e9410bShenning if (p->ifa_flags & IFF_LOOPBACK && 143494e9410bShenning p->ifa_flags & IFF_LINK1) 143594e9410bShenning memcpy(&n->addr.v.a.mask, 143694e9410bShenning &p->addr.v.a.mask, 143794e9410bShenning sizeof(struct pf_addr)); 143894e9410bShenning else 143994e9410bShenning set_ipmask(n, 32); 144094e9410bShenning } else 144194e9410bShenning set_ipmask(n, 128); 144294e9410bShenning } 144394e9410bShenning n->ifindex = p->ifindex; 144494e9410bShenning 144594e9410bShenning n->next = NULL; 144694e9410bShenning n->tail = n; 144794e9410bShenning if (h == NULL) 144894e9410bShenning h = n; 144994e9410bShenning else { 145094e9410bShenning h->tail->next = n; 145194e9410bShenning h->tail = n; 145294e9410bShenning } 145394e9410bShenning } 145494e9410bShenning return (h); 145594e9410bShenning } 145694e9410bShenning 14577ad220f2Scedric int 14587ad220f2Scedric ifa_skip_if(const char *filter, struct node_host *p) 14597ad220f2Scedric { 14607ad220f2Scedric int n; 14617ad220f2Scedric 14627ad220f2Scedric if (p->af != AF_INET && p->af != AF_INET6) 14637ad220f2Scedric return (1); 14647ad220f2Scedric if (filter == NULL || !*filter) 14657ad220f2Scedric return (0); 14667ad220f2Scedric if (!strcmp(p->ifname, filter)) 14677ad220f2Scedric return (0); /* exact match */ 14687ad220f2Scedric n = strlen(filter); 14697ad220f2Scedric if (n < 1 || n >= IFNAMSIZ) 14707ad220f2Scedric return (1); /* sanity check */ 14717ad220f2Scedric if (filter[n-1] >= '0' && filter[n-1] <= '9') 14727ad220f2Scedric return (1); /* only do exact match in that case */ 14737ad220f2Scedric if (strncmp(p->ifname, filter, n)) 14747ad220f2Scedric return (1); /* prefix doesn't match */ 14757ad220f2Scedric return (p->ifname[n] < '0' || p->ifname[n] > '9'); 14767ad220f2Scedric } 14777ad220f2Scedric 147894e9410bShenning struct node_host * 1479f23861c1Shenning host(const char *s) 148094e9410bShenning { 148136754172Smcbride struct node_host *h = NULL, *n; 148236754172Smcbride int mask = -1, v4mask = 32, v6mask = 128, cont = 1; 148325bdb5e4Smcbride char *p, *q, *r, *ps, *if_name; 148494e9410bShenning 148536754172Smcbride if ((ps = strdup(s)) == NULL) 148636754172Smcbride err(1, "host: strdup"); 148736754172Smcbride 148836754172Smcbride if ((if_name = strrchr(ps, '@')) != NULL) { 148936754172Smcbride if_name[0] = '\0'; 149036754172Smcbride if_name++; 1491d20cfe34Smcbride } 149225bdb5e4Smcbride 1493d20cfe34Smcbride if ((p = strrchr(ps, '/')) != NULL) { 149425bdb5e4Smcbride if ((r = strdup(ps)) == NULL) 149525bdb5e4Smcbride err(1, "host: strdup"); 149694e9410bShenning mask = strtol(p+1, &q, 0); 1497fecc9cd0Shenning if (!q || *q || mask > 128 || q == (p+1)) { 14981cf63431Schl fprintf(stderr, "invalid netmask '%s'\n", p); 1499f565df7eSjsg free(r); 150020289793Szinovik free(ps); 150194e9410bShenning return (NULL); 150294e9410bShenning } 150336754172Smcbride p[0] = '\0'; 150494e9410bShenning v4mask = v6mask = mask; 150525bdb5e4Smcbride } else 150625bdb5e4Smcbride r = ps; 150794e9410bShenning 15082a6c1abaShenning /* interface with this name exists? */ 15094a36d485Shenning if (cont && (h = host_if(ps, mask)) != NULL) 15102a6c1abaShenning cont = 0; 15112a6c1abaShenning 15122a6c1abaShenning /* IPv4 address? */ 151325bdb5e4Smcbride if (cont && (h = host_v4(r, mask)) != NULL) 15142a6c1abaShenning cont = 0; 151525bdb5e4Smcbride if (r != ps) 151625bdb5e4Smcbride free(r); 15172a6c1abaShenning 15182a6c1abaShenning /* IPv6 address? */ 15192a6c1abaShenning if (cont && (h = host_v6(ps, v6mask)) != NULL) 15202a6c1abaShenning cont = 0; 15212a6c1abaShenning 15222a6c1abaShenning /* dns lookup */ 15232a6c1abaShenning if (cont && (h = host_dns(ps, v4mask, v6mask)) != NULL) 15242a6c1abaShenning cont = 0; 15252a6c1abaShenning 1526d20cfe34Smcbride if (if_name && if_name[0]) 1527d20cfe34Smcbride for (n = h; n != NULL; n = n->next) 1528d20cfe34Smcbride if ((n->ifname = strdup(if_name)) == NULL) 1529d20cfe34Smcbride err(1, "host: strdup"); 1530d20cfe34Smcbride 1531d20cfe34Smcbride free(ps); /* after we copy the name out */ 15322a6c1abaShenning if (h == NULL || cont == 1) { 15332a6c1abaShenning fprintf(stderr, "no IP address found for %s\n", s); 15342a6c1abaShenning return (NULL); 15352a6c1abaShenning } 1536cbdc262eSmcbride for (n = h; n != NULL; n = n->next) { 1537d20cfe34Smcbride n->addr.type = PF_ADDR_ADDRMASK; 1538cbdc262eSmcbride n->weight = 0; 1539cbdc262eSmcbride } 15402a6c1abaShenning return (h); 15412a6c1abaShenning } 15422a6c1abaShenning 15432a6c1abaShenning struct node_host * 1544f2370d27Shenning host_if(const char *s, int mask) 15452a6c1abaShenning { 15462a6c1abaShenning struct node_host *n, *h = NULL; 15474a36d485Shenning char *p, *ps; 1548ec359bd5Scedric int flags = 0; 15492a6c1abaShenning 1550ec359bd5Scedric if ((ps = strdup(s)) == NULL) 1551ec359bd5Scedric err(1, "host_if: strdup"); 1552ec359bd5Scedric while ((p = strrchr(ps, ':')) != NULL) { 15534a36d485Shenning if (!strcmp(p+1, "network")) 1554ec359bd5Scedric flags |= PFI_AFLAG_NETWORK; 1555ec359bd5Scedric else if (!strcmp(p+1, "broadcast")) 1556ec359bd5Scedric flags |= PFI_AFLAG_BROADCAST; 1557ec359bd5Scedric else if (!strcmp(p+1, "peer")) 1558ec359bd5Scedric flags |= PFI_AFLAG_PEER; 1559ec359bd5Scedric else if (!strcmp(p+1, "0")) 1560ec359bd5Scedric flags |= PFI_AFLAG_NOALIAS; 1561f8bc5305Shenning else { 1562f8bc5305Shenning free(ps); 1563ec359bd5Scedric return (NULL); 1564f8bc5305Shenning } 1565ec359bd5Scedric *p = '\0'; 1566ec359bd5Scedric } 1567ec359bd5Scedric if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */ 1568ec359bd5Scedric fprintf(stderr, "illegal combination of interface modifiers\n"); 1569f8bc5305Shenning free(ps); 1570ec359bd5Scedric return (NULL); 1571ec359bd5Scedric } 1572ec359bd5Scedric if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) { 15734a36d485Shenning fprintf(stderr, "network or broadcast lookup, but " 15744a36d485Shenning "extra netmask given\n"); 1575f8bc5305Shenning free(ps); 15764a36d485Shenning return (NULL); 15774a36d485Shenning } 15786c3582faShenning if (ifa_exists(ps) || !strncmp(ps, "self", IFNAMSIZ)) { 15792a6c1abaShenning /* interface with this name exists */ 1580ec359bd5Scedric h = ifa_lookup(ps, flags); 15812a6c1abaShenning for (n = h; n != NULL && mask > -1; n = n->next) 15822a6c1abaShenning set_ipmask(n, mask); 15832a6c1abaShenning } 15844a36d485Shenning 15854a36d485Shenning free(ps); 15862a6c1abaShenning return (h); 15872a6c1abaShenning } 15882a6c1abaShenning 15892a6c1abaShenning struct node_host * 1590383ebbbfShenning host_v4(const char *s, int mask) 15912a6c1abaShenning { 15922a6c1abaShenning struct node_host *h = NULL; 15932a6c1abaShenning struct in_addr ina; 159490fffbb7Shenning int bits = 32; 15952a6c1abaShenning 159694e9410bShenning memset(&ina, 0, sizeof(struct in_addr)); 159790fffbb7Shenning if (strrchr(s, '/') != NULL) { 159890fffbb7Shenning if ((bits = inet_net_pton(AF_INET, s, &ina, sizeof(ina))) == -1) 159990fffbb7Shenning return (NULL); 160090fffbb7Shenning } else { 160190fffbb7Shenning if (inet_pton(AF_INET, s, &ina) != 1) 160290fffbb7Shenning return (NULL); 160390fffbb7Shenning } 160490fffbb7Shenning 160594e9410bShenning h = calloc(1, sizeof(struct node_host)); 160694e9410bShenning if (h == NULL) 160794e9410bShenning err(1, "address: calloc"); 160894e9410bShenning h->ifname = NULL; 160994e9410bShenning h->af = AF_INET; 161094e9410bShenning h->addr.v.a.addr.addr32[0] = ina.s_addr; 161194e9410bShenning set_ipmask(h, bits); 161294e9410bShenning h->next = NULL; 161394e9410bShenning h->tail = h; 16142a6c1abaShenning 161594e9410bShenning return (h); 161694e9410bShenning } 16172a6c1abaShenning 16182a6c1abaShenning struct node_host * 1619f2370d27Shenning host_v6(const char *s, int mask) 16202a6c1abaShenning { 16212a6c1abaShenning struct addrinfo hints, *res; 16222a6c1abaShenning struct node_host *h = NULL; 162394e9410bShenning 162494e9410bShenning memset(&hints, 0, sizeof(hints)); 162594e9410bShenning hints.ai_family = AF_INET6; 162694e9410bShenning hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 162794e9410bShenning hints.ai_flags = AI_NUMERICHOST; 16282a6c1abaShenning if (getaddrinfo(s, "0", &hints, &res) == 0) { 16292a6c1abaShenning h = calloc(1, sizeof(struct node_host)); 16302a6c1abaShenning if (h == NULL) 163194e9410bShenning err(1, "address: calloc"); 16322a6c1abaShenning h->ifname = NULL; 16332a6c1abaShenning h->af = AF_INET6; 16342a6c1abaShenning memcpy(&h->addr.v.a.addr, 163594e9410bShenning &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr, 16362a6c1abaShenning sizeof(h->addr.v.a.addr)); 16372a6c1abaShenning h->ifindex = 16382a6c1abaShenning ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 16392a6c1abaShenning set_ipmask(h, mask); 164094e9410bShenning freeaddrinfo(res); 16412a6c1abaShenning h->next = NULL; 16422a6c1abaShenning h->tail = h; 164394e9410bShenning } 164494e9410bShenning 16452a6c1abaShenning return (h); 16462a6c1abaShenning } 16472a6c1abaShenning 16482a6c1abaShenning struct node_host * 1649f2370d27Shenning host_dns(const char *s, int v4mask, int v6mask) 16502a6c1abaShenning { 16512a6c1abaShenning struct addrinfo hints, *res0, *res; 16522a6c1abaShenning struct node_host *n, *h = NULL; 1653ec359bd5Scedric int error, noalias = 0; 1654ec359bd5Scedric int got4 = 0, got6 = 0; 1655ec359bd5Scedric char *p, *ps; 16562a6c1abaShenning 1657ec359bd5Scedric if ((ps = strdup(s)) == NULL) 165822dee42fShenning err(1, "host_dns: strdup"); 1659ec359bd5Scedric if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) { 1660ec359bd5Scedric noalias = 1; 1661ec359bd5Scedric *p = '\0'; 1662ec359bd5Scedric } 166394e9410bShenning memset(&hints, 0, sizeof(hints)); 166494e9410bShenning hints.ai_family = PF_UNSPEC; 166594e9410bShenning hints.ai_socktype = SOCK_STREAM; /* DUMMY */ 1666ec359bd5Scedric error = getaddrinfo(ps, NULL, &hints, &res0); 1667b4d8b6eeShenning if (error) { 1668b4d8b6eeShenning free(ps); 16692a6c1abaShenning return (h); 1670b4d8b6eeShenning } 16712a6c1abaShenning 167294e9410bShenning for (res = res0; res; res = res->ai_next) { 167394e9410bShenning if (res->ai_family != AF_INET && 167494e9410bShenning res->ai_family != AF_INET6) 167594e9410bShenning continue; 1676ec359bd5Scedric if (noalias) { 1677ec359bd5Scedric if (res->ai_family == AF_INET) { 1678ec359bd5Scedric if (got4) 1679ec359bd5Scedric continue; 1680ec359bd5Scedric got4 = 1; 1681ec359bd5Scedric } else { 1682ec359bd5Scedric if (got6) 1683ec359bd5Scedric continue; 1684ec359bd5Scedric got6 = 1; 1685ec359bd5Scedric } 1686ec359bd5Scedric } 168794e9410bShenning n = calloc(1, sizeof(struct node_host)); 168894e9410bShenning if (n == NULL) 16892a6c1abaShenning err(1, "host_dns: calloc"); 169094e9410bShenning n->ifname = NULL; 169194e9410bShenning n->af = res->ai_family; 169294e9410bShenning if (res->ai_family == AF_INET) { 169394e9410bShenning memcpy(&n->addr.v.a.addr, 16942a6c1abaShenning &((struct sockaddr_in *) 16952a6c1abaShenning res->ai_addr)->sin_addr.s_addr, 169694e9410bShenning sizeof(struct in_addr)); 169794e9410bShenning set_ipmask(n, v4mask); 169894e9410bShenning } else { 169994e9410bShenning memcpy(&n->addr.v.a.addr, 17002a6c1abaShenning &((struct sockaddr_in6 *) 17012a6c1abaShenning res->ai_addr)->sin6_addr.s6_addr, 170294e9410bShenning sizeof(struct in6_addr)); 170394e9410bShenning n->ifindex = 17042a6c1abaShenning ((struct sockaddr_in6 *) 17052a6c1abaShenning res->ai_addr)->sin6_scope_id; 170694e9410bShenning set_ipmask(n, v6mask); 170794e9410bShenning } 170894e9410bShenning n->next = NULL; 170994e9410bShenning n->tail = n; 171094e9410bShenning if (h == NULL) 171194e9410bShenning h = n; 171294e9410bShenning else { 171394e9410bShenning h->tail->next = n; 171494e9410bShenning h->tail = n; 171594e9410bShenning } 171694e9410bShenning } 171794e9410bShenning freeaddrinfo(res0); 1718ec359bd5Scedric free(ps); 171994e9410bShenning 172094e9410bShenning return (h); 172194e9410bShenning } 172242e05679Scedric 172342e05679Scedric /* 172442e05679Scedric * convert a hostname to a list of addresses and put them in the given buffer. 172542e05679Scedric * test: 172642e05679Scedric * if set to 1, only simple addresses are accepted (no netblock, no "!"). 172742e05679Scedric */ 172842e05679Scedric int 172942e05679Scedric append_addr(struct pfr_buffer *b, char *s, int test) 173042e05679Scedric { 1731cbdc262eSmcbride static int previous = 0; 1732cbdc262eSmcbride static int expect = 0; 1733cbdc262eSmcbride struct pfr_addr *a; 1734b88a8d5dScedric struct node_host *h, *n; 1735cbdc262eSmcbride char *r; 1736cbdc262eSmcbride const char *errstr; 1737cbdc262eSmcbride int rv, not = 0, i = 0; 1738cbdc262eSmcbride u_int16_t weight; 1739cbdc262eSmcbride 1740cbdc262eSmcbride /* skip weight if given */ 1741cbdc262eSmcbride if (strcmp(s, "weight") == 0) { 1742cbdc262eSmcbride expect = 1; 1743cbdc262eSmcbride return (1); /* expecting further call */ 1744cbdc262eSmcbride } 1745cbdc262eSmcbride 1746cbdc262eSmcbride /* check if previous host is set */ 1747cbdc262eSmcbride if (expect) { 1748cbdc262eSmcbride /* parse and append load balancing weight */ 1749cbdc262eSmcbride weight = strtonum(s, 1, USHRT_MAX, &errstr); 1750cbdc262eSmcbride if (errstr) { 1751cbdc262eSmcbride fprintf(stderr, "failed to convert weight %s\n", s); 1752cbdc262eSmcbride return (-1); 1753cbdc262eSmcbride } 1754cbdc262eSmcbride if (previous != -1) { 1755cbdc262eSmcbride PFRB_FOREACH(a, b) { 1756cbdc262eSmcbride if (++i >= previous) { 1757cbdc262eSmcbride a->pfra_weight = weight; 1758cbdc262eSmcbride a->pfra_type = PFRKE_COST; 1759cbdc262eSmcbride } 1760cbdc262eSmcbride } 1761cbdc262eSmcbride } 1762cbdc262eSmcbride 1763cbdc262eSmcbride expect = 0; 1764cbdc262eSmcbride return (0); 1765cbdc262eSmcbride } 17665b6c447dScedric 17675b6c447dScedric for (r = s; *r == '!'; r++) 17685b6c447dScedric not = !not; 17695b6c447dScedric if ((n = host(r)) == NULL) { 17705b6c447dScedric errno = 0; 17715b6c447dScedric return (-1); 17725b6c447dScedric } 1773b88a8d5dScedric rv = append_addr_host(b, n, test, not); 1774cbdc262eSmcbride previous = b->pfrb_size; 1775b88a8d5dScedric do { 1776b88a8d5dScedric h = n; 1777b88a8d5dScedric n = n->next; 1778b88a8d5dScedric free(h); 1779b88a8d5dScedric } while (n != NULL); 1780b88a8d5dScedric return (rv); 178142e05679Scedric } 178242e05679Scedric 178342e05679Scedric /* 17845b6c447dScedric * same as previous function, but with a pre-parsed input and the ability 1785b88a8d5dScedric * to "negate" the result. Does not free the node_host list. 178642e05679Scedric * not: 178742e05679Scedric * setting it to 1 is equivalent to adding "!" in front of parameter s. 178842e05679Scedric */ 178942e05679Scedric int 17905b6c447dScedric append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not) 179142e05679Scedric { 179242e05679Scedric int bits; 179342e05679Scedric struct pfr_addr addr; 179442e05679Scedric 179542e05679Scedric do { 179642e05679Scedric bzero(&addr, sizeof(addr)); 17975b6c447dScedric addr.pfra_not = n->not ^ not; 179842e05679Scedric addr.pfra_af = n->af; 179942e05679Scedric addr.pfra_net = unmask(&n->addr.v.a.mask, n->af); 180036754172Smcbride if (n->ifname) { 180136754172Smcbride if (strlcpy(addr.pfra_ifname, n->ifname, 180236754172Smcbride sizeof(addr.pfra_ifname)) >= sizeof(addr.pfra_ifname)) 180336754172Smcbride errx(1, "append_addr_host: strlcpy"); 180436754172Smcbride addr.pfra_type = PFRKE_ROUTE; 180536754172Smcbride } 1806cbdc262eSmcbride if (n->weight > 0) { 1807cbdc262eSmcbride addr.pfra_weight = n->weight; 1808cbdc262eSmcbride addr.pfra_type = PFRKE_COST; 1809cbdc262eSmcbride } 181042e05679Scedric switch (n->af) { 181142e05679Scedric case AF_INET: 181242e05679Scedric addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0]; 181342e05679Scedric bits = 32; 181442e05679Scedric break; 181542e05679Scedric case AF_INET6: 181642e05679Scedric memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6, 181742e05679Scedric sizeof(struct in6_addr)); 181842e05679Scedric bits = 128; 181942e05679Scedric break; 182042e05679Scedric default: 182142e05679Scedric errno = EINVAL; 182242e05679Scedric return (-1); 182342e05679Scedric } 182442e05679Scedric if ((test && (not || addr.pfra_net != bits)) || 182542e05679Scedric addr.pfra_net > bits) { 182642e05679Scedric errno = EINVAL; 182742e05679Scedric return (-1); 182842e05679Scedric } 182942e05679Scedric if (pfr_buf_add(b, &addr)) 183042e05679Scedric return (-1); 1831b88a8d5dScedric } while ((n = n->next) != NULL); 183242e05679Scedric 183342e05679Scedric return (0); 183442e05679Scedric } 183579cc0068Scedric 183679cc0068Scedric int 18379f66a89aShenning pfctl_add_trans(struct pfr_buffer *buf, int type, const char *anchor) 183879cc0068Scedric { 183979cc0068Scedric struct pfioc_trans_e trans; 184079cc0068Scedric 184179cc0068Scedric bzero(&trans, sizeof(trans)); 18429f66a89aShenning trans.type = type; 184379cc0068Scedric if (strlcpy(trans.anchor, anchor, 1844d9ad7941Sdhartmei sizeof(trans.anchor)) >= sizeof(trans.anchor)) 184579cc0068Scedric errx(1, "pfctl_add_trans: strlcpy"); 184679cc0068Scedric 184779cc0068Scedric return pfr_buf_add(buf, &trans); 184879cc0068Scedric } 184979cc0068Scedric 185079cc0068Scedric u_int32_t 18519f66a89aShenning pfctl_get_ticket(struct pfr_buffer *buf, int type, const char *anchor) 185279cc0068Scedric { 185379cc0068Scedric struct pfioc_trans_e *p; 185479cc0068Scedric 185579cc0068Scedric PFRB_FOREACH(p, buf) 18569f66a89aShenning if (type == p->type && !strcmp(anchor, p->anchor)) 185779cc0068Scedric return (p->ticket); 185822dee42fShenning errx(1, "pfctl_get_ticket: assertion failed"); 185979cc0068Scedric } 186079cc0068Scedric 186179cc0068Scedric int 18623060c195Shenning pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from) 186379cc0068Scedric { 186479cc0068Scedric struct pfioc_trans trans; 186579cc0068Scedric 186679cc0068Scedric bzero(&trans, sizeof(trans)); 186779cc0068Scedric trans.size = buf->pfrb_size - from; 186879cc0068Scedric trans.esize = sizeof(struct pfioc_trans_e); 186979cc0068Scedric trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from; 187079cc0068Scedric return ioctl(dev, cmd, &trans); 187179cc0068Scedric } 1872