1*1cb19346Sdhartmei /* $OpenBSD: pfctl_parser.c,v 1.215 2005/05/27 18:52:42 dhartmei 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> 376b640f62Smcbride #include <sys/param.h> 386b640f62Smcbride #include <sys/proc.h> 39252d784aSderaadt #include <net/if.h> 40252d784aSderaadt #include <netinet/in.h> 416329fa59Sderaadt #include <netinet/in_systm.h> 426329fa59Sderaadt #include <netinet/ip.h> 436329fa59Sderaadt #include <netinet/ip_icmp.h> 4430620b12Sfrantzen #include <netinet/icmp6.h> 45252d784aSderaadt #include <net/pfvar.h> 469f13c6caSmillert #include <arpa/inet.h> 47252d784aSderaadt 4814a9b182Skjell #include <stdio.h> 4914a9b182Skjell #include <stdlib.h> 5014a9b182Skjell #include <string.h> 5114a9b182Skjell #include <ctype.h> 5214a9b182Skjell #include <netdb.h> 536329fa59Sderaadt #include <stdarg.h> 546329fa59Sderaadt #include <errno.h> 55ff352a37Smarkus #include <err.h> 5694e9410bShenning #include <ifaddrs.h> 5714a9b182Skjell 5814a9b182Skjell #include "pfctl_parser.h" 59eb824e11Sderaadt #include "pfctl.h" 6014a9b182Skjell 615d9ac2dcSdhartmei void print_op (u_int8_t, const char *, const char *); 62132c30ccShenning void print_port (u_int8_t, u_int16_t, u_int16_t, const char *); 631173271aScedric void print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned); 6481a15e5dSderaadt void print_flags (u_int8_t); 6564b4b616Sfrantzen void print_fromto(struct pf_rule_addr *, pf_osfp_t, 6664b4b616Sfrantzen struct pf_rule_addr *, u_int8_t, u_int8_t, int); 677ad220f2Scedric int ifa_skip_if(const char *filter, struct node_host *p); 6814a9b182Skjell 69f2370d27Shenning struct node_host *host_if(const char *, int); 70383ebbbfShenning struct node_host *host_v4(const char *, int); 71f2370d27Shenning struct node_host *host_v6(const char *, int); 72f2370d27Shenning struct node_host *host_dns(const char *, int, int); 732a6c1abaShenning 74361e311cShenning const char *tcpflags = "FSRPAUEW"; 7514a9b182Skjell 767d27d81aSdhartmei static const struct icmptypeent icmp_type[] = { 77082ebc44Swilfried { "echoreq", ICMP_ECHO }, 78082ebc44Swilfried { "echorep", ICMP_ECHOREPLY }, 79082ebc44Swilfried { "unreach", ICMP_UNREACH }, 80082ebc44Swilfried { "squench", ICMP_SOURCEQUENCH }, 81082ebc44Swilfried { "redir", ICMP_REDIRECT }, 82082ebc44Swilfried { "althost", ICMP_ALTHOSTADDR }, 83082ebc44Swilfried { "routeradv", ICMP_ROUTERADVERT }, 84082ebc44Swilfried { "routersol", ICMP_ROUTERSOLICIT }, 85082ebc44Swilfried { "timex", ICMP_TIMXCEED }, 86082ebc44Swilfried { "paramprob", ICMP_PARAMPROB }, 87082ebc44Swilfried { "timereq", ICMP_TSTAMP }, 88082ebc44Swilfried { "timerep", ICMP_TSTAMPREPLY }, 89082ebc44Swilfried { "inforeq", ICMP_IREQ }, 90082ebc44Swilfried { "inforep", ICMP_IREQREPLY }, 91082ebc44Swilfried { "maskreq", ICMP_MASKREQ }, 9202cbcc9eSwilfried { "maskrep", ICMP_MASKREPLY }, 9302cbcc9eSwilfried { "trace", ICMP_TRACEROUTE }, 9402cbcc9eSwilfried { "dataconv", ICMP_DATACONVERR }, 9502cbcc9eSwilfried { "mobredir", ICMP_MOBILE_REDIRECT }, 9602cbcc9eSwilfried { "ipv6-where", ICMP_IPV6_WHEREAREYOU }, 9702cbcc9eSwilfried { "ipv6-here", ICMP_IPV6_IAMHERE }, 9802cbcc9eSwilfried { "mobregreq", ICMP_MOBILE_REGREQUEST }, 9902cbcc9eSwilfried { "mobregrep", ICMP_MOBILE_REGREPLY }, 10002cbcc9eSwilfried { "skip", ICMP_SKIP }, 10102cbcc9eSwilfried { "photuris", ICMP_PHOTURIS } 102082ebc44Swilfried }; 103082ebc44Swilfried 1047d27d81aSdhartmei static const struct icmptypeent icmp6_type[] = { 10530620b12Sfrantzen { "unreach", ICMP6_DST_UNREACH }, 10630620b12Sfrantzen { "toobig", ICMP6_PACKET_TOO_BIG }, 10730620b12Sfrantzen { "timex", ICMP6_TIME_EXCEEDED }, 10830620b12Sfrantzen { "paramprob", ICMP6_PARAM_PROB }, 10930620b12Sfrantzen { "echoreq", ICMP6_ECHO_REQUEST }, 11030620b12Sfrantzen { "echorep", ICMP6_ECHO_REPLY }, 11130620b12Sfrantzen { "groupqry", ICMP6_MEMBERSHIP_QUERY }, 11222a58e88Sitojun { "listqry", MLD_LISTENER_QUERY }, 11330620b12Sfrantzen { "grouprep", ICMP6_MEMBERSHIP_REPORT }, 11422a58e88Sitojun { "listenrep", MLD_LISTENER_REPORT }, 11530620b12Sfrantzen { "groupterm", ICMP6_MEMBERSHIP_REDUCTION }, 11622a58e88Sitojun { "listendone", MLD_LISTENER_DONE }, 11730620b12Sfrantzen { "routersol", ND_ROUTER_SOLICIT }, 11830620b12Sfrantzen { "routeradv", ND_ROUTER_ADVERT }, 11930620b12Sfrantzen { "neighbrsol", ND_NEIGHBOR_SOLICIT }, 12030620b12Sfrantzen { "neighbradv", ND_NEIGHBOR_ADVERT }, 12130620b12Sfrantzen { "redir", ND_REDIRECT }, 12230620b12Sfrantzen { "routrrenum", ICMP6_ROUTER_RENUMBERING }, 12330620b12Sfrantzen { "wrureq", ICMP6_WRUREQUEST }, 12430620b12Sfrantzen { "wrurep", ICMP6_WRUREPLY }, 12530620b12Sfrantzen { "fqdnreq", ICMP6_FQDN_QUERY }, 12630620b12Sfrantzen { "fqdnrep", ICMP6_FQDN_REPLY }, 12730620b12Sfrantzen { "niqry", ICMP6_NI_QUERY }, 12830620b12Sfrantzen { "nirep", ICMP6_NI_REPLY }, 12922a58e88Sitojun { "mtraceresp", MLD_MTRACE_RESP }, 13022a58e88Sitojun { "mtrace", MLD_MTRACE } 13130620b12Sfrantzen }; 13230620b12Sfrantzen 1337d27d81aSdhartmei static const struct icmpcodeent icmp_code[] = { 134082ebc44Swilfried { "net-unr", ICMP_UNREACH, ICMP_UNREACH_NET }, 135082ebc44Swilfried { "host-unr", ICMP_UNREACH, ICMP_UNREACH_HOST }, 136082ebc44Swilfried { "proto-unr", ICMP_UNREACH, ICMP_UNREACH_PROTOCOL }, 137082ebc44Swilfried { "port-unr", ICMP_UNREACH, ICMP_UNREACH_PORT }, 138082ebc44Swilfried { "needfrag", ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG }, 139082ebc44Swilfried { "srcfail", ICMP_UNREACH, ICMP_UNREACH_SRCFAIL }, 140082ebc44Swilfried { "net-unk", ICMP_UNREACH, ICMP_UNREACH_NET_UNKNOWN }, 141082ebc44Swilfried { "host-unk", ICMP_UNREACH, ICMP_UNREACH_HOST_UNKNOWN }, 142082ebc44Swilfried { "isolate", ICMP_UNREACH, ICMP_UNREACH_ISOLATED }, 143082ebc44Swilfried { "net-prohib", ICMP_UNREACH, ICMP_UNREACH_NET_PROHIB }, 144082ebc44Swilfried { "host-prohib", ICMP_UNREACH, ICMP_UNREACH_HOST_PROHIB }, 145082ebc44Swilfried { "net-tos", ICMP_UNREACH, ICMP_UNREACH_TOSNET }, 146082ebc44Swilfried { "host-tos", ICMP_UNREACH, ICMP_UNREACH_TOSHOST }, 147082ebc44Swilfried { "filter-prohib", ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB }, 148082ebc44Swilfried { "host-preced", ICMP_UNREACH, ICMP_UNREACH_HOST_PRECEDENCE }, 149082ebc44Swilfried { "cutoff-preced", ICMP_UNREACH, ICMP_UNREACH_PRECEDENCE_CUTOFF }, 150082ebc44Swilfried { "redir-net", ICMP_REDIRECT, ICMP_REDIRECT_NET }, 151082ebc44Swilfried { "redir-host", ICMP_REDIRECT, ICMP_REDIRECT_HOST }, 152082ebc44Swilfried { "redir-tos-net", ICMP_REDIRECT, ICMP_REDIRECT_TOSNET }, 153082ebc44Swilfried { "redir-tos-host", ICMP_REDIRECT, ICMP_REDIRECT_TOSHOST }, 15402cbcc9eSwilfried { "normal-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NORMAL }, 15502cbcc9eSwilfried { "common-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NOROUTE_COMMON }, 156082ebc44Swilfried { "transit", ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS }, 157082ebc44Swilfried { "reassemb", ICMP_TIMXCEED, ICMP_TIMXCEED_REASS }, 158082ebc44Swilfried { "badhead", ICMP_PARAMPROB, ICMP_PARAMPROB_ERRATPTR }, 159082ebc44Swilfried { "optmiss", ICMP_PARAMPROB, ICMP_PARAMPROB_OPTABSENT }, 16002cbcc9eSwilfried { "badlen", ICMP_PARAMPROB, ICMP_PARAMPROB_LENGTH }, 16102cbcc9eSwilfried { "unknown-ind", ICMP_PHOTURIS, ICMP_PHOTURIS_UNKNOWN_INDEX }, 16202cbcc9eSwilfried { "auth-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_AUTH_FAILED }, 16302cbcc9eSwilfried { "decrypt-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_DECRYPT_FAILED } 164082ebc44Swilfried }; 165082ebc44Swilfried 1667d27d81aSdhartmei static const struct icmpcodeent icmp6_code[] = { 1671d32ee3bSdhartmei { "admin-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN }, 1681d32ee3bSdhartmei { "noroute-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE }, 16930620b12Sfrantzen { "notnbr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOTNEIGHBOR }, 17030620b12Sfrantzen { "beyond-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_BEYONDSCOPE }, 17130620b12Sfrantzen { "addr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR }, 17230620b12Sfrantzen { "port-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT }, 17330620b12Sfrantzen { "transit", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_TRANSIT }, 17430620b12Sfrantzen { "reassemb", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_REASSEMBLY }, 17530620b12Sfrantzen { "badhead", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER }, 17630620b12Sfrantzen { "nxthdr", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_NEXTHEADER }, 17730620b12Sfrantzen { "redironlink", ND_REDIRECT, ND_REDIRECT_ONLINK }, 17830620b12Sfrantzen { "redirrouter", ND_REDIRECT, ND_REDIRECT_ROUTER } 17930620b12Sfrantzen }; 18030620b12Sfrantzen 181d593fb91Sdrahn const struct pf_timeout pf_timeouts[] = { 182d593fb91Sdrahn { "tcp.first", PFTM_TCP_FIRST_PACKET }, 183d593fb91Sdrahn { "tcp.opening", PFTM_TCP_OPENING }, 184d593fb91Sdrahn { "tcp.established", PFTM_TCP_ESTABLISHED }, 185d593fb91Sdrahn { "tcp.closing", PFTM_TCP_CLOSING }, 186d593fb91Sdrahn { "tcp.finwait", PFTM_TCP_FIN_WAIT }, 187d593fb91Sdrahn { "tcp.closed", PFTM_TCP_CLOSED }, 18898d12bd8Sfrantzen { "tcp.tsdiff", PFTM_TS_DIFF }, 189d593fb91Sdrahn { "udp.first", PFTM_UDP_FIRST_PACKET }, 190d593fb91Sdrahn { "udp.single", PFTM_UDP_SINGLE }, 191d593fb91Sdrahn { "udp.multiple", PFTM_UDP_MULTIPLE }, 192d593fb91Sdrahn { "icmp.first", PFTM_ICMP_FIRST_PACKET }, 193d593fb91Sdrahn { "icmp.error", PFTM_ICMP_ERROR_REPLY }, 194d593fb91Sdrahn { "other.first", PFTM_OTHER_FIRST_PACKET }, 195d593fb91Sdrahn { "other.single", PFTM_OTHER_SINGLE }, 196d593fb91Sdrahn { "other.multiple", PFTM_OTHER_MULTIPLE }, 197d593fb91Sdrahn { "frag", PFTM_FRAG }, 198d593fb91Sdrahn { "interval", PFTM_INTERVAL }, 199a85e74a5Sdhartmei { "adaptive.start", PFTM_ADAPTIVE_START }, 200a85e74a5Sdhartmei { "adaptive.end", PFTM_ADAPTIVE_END }, 201fd777407Smcbride { "src.track", PFTM_SRC_NODE }, 202d593fb91Sdrahn { NULL, 0 } 203d593fb91Sdrahn }; 204d593fb91Sdrahn 2057d27d81aSdhartmei const struct icmptypeent * 206bb9f691eSmcbride geticmptypebynumber(u_int8_t type, sa_family_t af) 207082ebc44Swilfried { 208ed99c291Sderaadt unsigned int i; 209082ebc44Swilfried 210d14c53d7Swilfried if (af != AF_INET6) { 211e4ebe044Shenning for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0])); 212e4ebe044Shenning i++) { 213082ebc44Swilfried if (type == icmp_type[i].type) 214082ebc44Swilfried return (&icmp_type[i]); 215082ebc44Swilfried } 21630620b12Sfrantzen } else { 21730620b12Sfrantzen for (i=0; i < (sizeof (icmp6_type) / 21830620b12Sfrantzen sizeof(icmp6_type[0])); i++) { 21930620b12Sfrantzen if (type == icmp6_type[i].type) 22030620b12Sfrantzen return (&icmp6_type[i]); 22130620b12Sfrantzen } 22230620b12Sfrantzen } 22330620b12Sfrantzen return (NULL); 224082ebc44Swilfried } 225082ebc44Swilfried 2267d27d81aSdhartmei const struct icmptypeent * 227bb9f691eSmcbride geticmptypebyname(char *w, sa_family_t af) 228082ebc44Swilfried { 229ed99c291Sderaadt unsigned int i; 230082ebc44Swilfried 231d14c53d7Swilfried if (af != AF_INET6) { 232e4ebe044Shenning for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0])); 233e4ebe044Shenning i++) { 234082ebc44Swilfried if (!strcmp(w, icmp_type[i].name)) 235082ebc44Swilfried return (&icmp_type[i]); 236082ebc44Swilfried } 23730620b12Sfrantzen } else { 23830620b12Sfrantzen for (i=0; i < (sizeof (icmp6_type) / 23930620b12Sfrantzen sizeof(icmp6_type[0])); i++) { 24030620b12Sfrantzen if (!strcmp(w, icmp6_type[i].name)) 24130620b12Sfrantzen return (&icmp6_type[i]); 24230620b12Sfrantzen } 24330620b12Sfrantzen } 24430620b12Sfrantzen return (NULL); 245082ebc44Swilfried } 246082ebc44Swilfried 2477d27d81aSdhartmei const struct icmpcodeent * 248bb9f691eSmcbride geticmpcodebynumber(u_int8_t type, u_int8_t code, sa_family_t af) 249082ebc44Swilfried { 250ed99c291Sderaadt unsigned int i; 251082ebc44Swilfried 252d14c53d7Swilfried if (af != AF_INET6) { 253e4ebe044Shenning for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0])); 254e4ebe044Shenning i++) { 25530620b12Sfrantzen if (type == icmp_code[i].type && 25630620b12Sfrantzen code == icmp_code[i].code) 257082ebc44Swilfried return (&icmp_code[i]); 258082ebc44Swilfried } 25930620b12Sfrantzen } else { 26030620b12Sfrantzen for (i=0; i < (sizeof (icmp6_code) / 26130620b12Sfrantzen sizeof(icmp6_code[0])); i++) { 26230620b12Sfrantzen if (type == icmp6_code[i].type && 26330620b12Sfrantzen code == icmp6_code[i].code) 26430620b12Sfrantzen return (&icmp6_code[i]); 26530620b12Sfrantzen } 26630620b12Sfrantzen } 26730620b12Sfrantzen return (NULL); 268082ebc44Swilfried } 269082ebc44Swilfried 2707d27d81aSdhartmei const struct icmpcodeent * 271bb9f691eSmcbride geticmpcodebyname(u_long type, char *w, sa_family_t af) 272082ebc44Swilfried { 273ed99c291Sderaadt unsigned int i; 274082ebc44Swilfried 275d14c53d7Swilfried if (af != AF_INET6) { 276e4ebe044Shenning for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0])); 277e4ebe044Shenning i++) { 27830620b12Sfrantzen if (type == icmp_code[i].type && 27930620b12Sfrantzen !strcmp(w, icmp_code[i].name)) 280082ebc44Swilfried return (&icmp_code[i]); 281082ebc44Swilfried } 28230620b12Sfrantzen } else { 28330620b12Sfrantzen for (i=0; i < (sizeof (icmp6_code) / 28430620b12Sfrantzen sizeof(icmp6_code[0])); i++) { 28530620b12Sfrantzen if (type == icmp6_code[i].type && 28630620b12Sfrantzen !strcmp(w, icmp6_code[i].name)) 28730620b12Sfrantzen return (&icmp6_code[i]); 28830620b12Sfrantzen } 28930620b12Sfrantzen } 29030620b12Sfrantzen return (NULL); 29130620b12Sfrantzen } 29230620b12Sfrantzen 29381a15e5dSderaadt void 2945d9ac2dcSdhartmei print_op(u_int8_t op, const char *a1, const char *a2) 2955d9ac2dcSdhartmei { 2965d9ac2dcSdhartmei if (op == PF_OP_IRG) 2975d9ac2dcSdhartmei printf(" %s >< %s", a1, a2); 2985d9ac2dcSdhartmei else if (op == PF_OP_XRG) 2995d9ac2dcSdhartmei printf(" %s <> %s", a1, a2); 3001308506cShenning else if (op == PF_OP_EQ) 3015d9ac2dcSdhartmei printf(" = %s", a1); 3021308506cShenning else if (op == PF_OP_NE) 3035d9ac2dcSdhartmei printf(" != %s", a1); 3041308506cShenning else if (op == PF_OP_LT) 3055d9ac2dcSdhartmei printf(" < %s", a1); 3065d9ac2dcSdhartmei else if (op == PF_OP_LE) 3075d9ac2dcSdhartmei printf(" <= %s", a1); 3085d9ac2dcSdhartmei else if (op == PF_OP_GT) 3095d9ac2dcSdhartmei printf(" > %s", a1); 3105d9ac2dcSdhartmei else if (op == PF_OP_GE) 3115d9ac2dcSdhartmei printf(" >= %s", a1); 3128da4e377Smcbride else if (op == PF_OP_RRG) 3138da4e377Smcbride printf(" %s:%s", a1, a2); 3145d9ac2dcSdhartmei } 3155d9ac2dcSdhartmei 3165d9ac2dcSdhartmei void 317132c30ccShenning print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto) 31814a9b182Skjell { 319e31d21c9Sdhartmei char a1[6], a2[6]; 320e4ebe044Shenning struct servent *s; 32181a15e5dSderaadt 322e4ebe044Shenning s = getservbyport(p1, proto); 32314a9b182Skjell p1 = ntohs(p1); 32414a9b182Skjell p2 = ntohs(p2); 3255d9ac2dcSdhartmei snprintf(a1, sizeof(a1), "%u", p1); 3265d9ac2dcSdhartmei snprintf(a2, sizeof(a2), "%u", p2); 32714a9b182Skjell printf(" port"); 3285d9ac2dcSdhartmei if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE)) 3295d9ac2dcSdhartmei print_op(op, s->s_name, a2); 33014a9b182Skjell else 3315d9ac2dcSdhartmei print_op(op, a1, a2); 3325d9ac2dcSdhartmei } 3335d9ac2dcSdhartmei 3345d9ac2dcSdhartmei void 3351173271aScedric print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax) 3365d9ac2dcSdhartmei { 337d8fcd2dfSdhartmei char a1[11], a2[11]; 3385d9ac2dcSdhartmei 3395d9ac2dcSdhartmei snprintf(a1, sizeof(a1), "%u", u1); 3405d9ac2dcSdhartmei snprintf(a2, sizeof(a2), "%u", u2); 3415d9ac2dcSdhartmei printf(" %s", t); 3421173271aScedric if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE)) 343c16ab608Sdhartmei print_op(op, "unknown", a2); 344c16ab608Sdhartmei else 345c16ab608Sdhartmei print_op(op, a1, a2); 346c16ab608Sdhartmei } 347c16ab608Sdhartmei 348c16ab608Sdhartmei void 34914a9b182Skjell print_flags(u_int8_t f) 35014a9b182Skjell { 35114a9b182Skjell int i; 35281a15e5dSderaadt 353bc795af0Shugh for (i = 0; tcpflags[i]; ++i) 35414a9b182Skjell if (f & (1 << i)) 35514a9b182Skjell printf("%c", tcpflags[i]); 35614a9b182Skjell } 35714a9b182Skjell 35814a9b182Skjell void 35964b4b616Sfrantzen print_fromto(struct pf_rule_addr *src, pf_osfp_t osfp, struct pf_rule_addr *dst, 36044f5ed0aScedric sa_family_t af, u_int8_t proto, int verbose) 36115e76891Sdhartmei { 36264b4b616Sfrantzen char buf[PF_OSFP_LEN*3]; 3631173271aScedric if (src->addr.type == PF_ADDR_ADDRMASK && 3641173271aScedric dst->addr.type == PF_ADDR_ADDRMASK && 365bcf142a4Sdhartmei PF_AZERO(&src->addr.v.a.addr, AF_INET6) && 366bcf142a4Sdhartmei PF_AZERO(&src->addr.v.a.mask, AF_INET6) && 3671173271aScedric PF_AZERO(&dst->addr.v.a.addr, AF_INET6) && 3681173271aScedric PF_AZERO(&dst->addr.v.a.mask, AF_INET6) && 369d4008a34Sdhartmei !src->neg && !dst->neg && 37064b4b616Sfrantzen !src->port_op && !dst->port_op && 37164b4b616Sfrantzen osfp == PF_OSFP_ANY) 37215e76891Sdhartmei printf(" all"); 37315e76891Sdhartmei else { 37415e76891Sdhartmei printf(" from "); 375d4008a34Sdhartmei if (src->neg) 37615e76891Sdhartmei printf("! "); 37744f5ed0aScedric print_addr(&src->addr, af, verbose); 37815e76891Sdhartmei if (src->port_op) 37915e76891Sdhartmei print_port(src->port_op, src->port[0], 38015e76891Sdhartmei src->port[1], 38115e76891Sdhartmei proto == IPPROTO_TCP ? "tcp" : "udp"); 38264b4b616Sfrantzen if (osfp != PF_OSFP_ANY) 38364b4b616Sfrantzen printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf, 38464b4b616Sfrantzen sizeof(buf))); 38515e76891Sdhartmei 38615e76891Sdhartmei printf(" to "); 387d4008a34Sdhartmei if (dst->neg) 38815e76891Sdhartmei printf("! "); 38944f5ed0aScedric print_addr(&dst->addr, af, verbose); 39015e76891Sdhartmei if (dst->port_op) 39115e76891Sdhartmei print_port(dst->port_op, dst->port[0], 39215e76891Sdhartmei dst->port[1], 39315e76891Sdhartmei proto == IPPROTO_TCP ? "tcp" : "udp"); 39415e76891Sdhartmei } 39515e76891Sdhartmei } 39615e76891Sdhartmei 39715e76891Sdhartmei void 398e0c302d0Smcbride print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2, 399e0c302d0Smcbride sa_family_t af, int id) 4003a44df3cSmcbride { 4013a44df3cSmcbride struct pf_pooladdr *pooladdr; 4023a44df3cSmcbride 4036c917913Smcbride if ((TAILQ_FIRST(&pool->list) != NULL) && 4046c917913Smcbride TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL) 4053a44df3cSmcbride printf("{ "); 4063a44df3cSmcbride TAILQ_FOREACH(pooladdr, &pool->list, entries){ 4073a44df3cSmcbride switch (id) { 408e8793aa9Smcbride case PF_NAT: 409e8793aa9Smcbride case PF_RDR: 410e8793aa9Smcbride case PF_BINAT: 41120b4324fScedric print_addr(&pooladdr->addr, af, 0); 4123a44df3cSmcbride break; 413e8793aa9Smcbride case PF_PASS: 41420b4324fScedric if (PF_AZERO(&pooladdr->addr.v.a.addr, af)) 4153b9b234fSmcbride printf("%s", pooladdr->ifname); 416790504a6Sdhartmei else { 4173a44df3cSmcbride printf("(%s ", pooladdr->ifname); 41820b4324fScedric print_addr(&pooladdr->addr, af, 0); 4193a44df3cSmcbride printf(")"); 4203b9b234fSmcbride } 4213a44df3cSmcbride break; 422e8793aa9Smcbride default: 423e8793aa9Smcbride break; 4243a44df3cSmcbride } 4253a44df3cSmcbride if (TAILQ_NEXT(pooladdr, entries) != NULL) 4263a44df3cSmcbride printf(", "); 4273a44df3cSmcbride else if (TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL) 4283a44df3cSmcbride printf(" }"); 4293a44df3cSmcbride } 430e0c302d0Smcbride switch (id) { 431e8793aa9Smcbride case PF_NAT: 4329782f7a2Smcbride if ((p1 != PF_NAT_PROXY_PORT_LOW || 4339782f7a2Smcbride p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) { 434e0c302d0Smcbride if (p1 == p2) 435e0c302d0Smcbride printf(" port %u", p1); 436e0c302d0Smcbride else 437e0c302d0Smcbride printf(" port %u:%u", p1, p2); 438e0c302d0Smcbride } 439e0c302d0Smcbride break; 440e8793aa9Smcbride case PF_RDR: 441e0c302d0Smcbride if (p1) { 4428da4e377Smcbride printf(" port %u", p1); 4438da4e377Smcbride if (p2 && (p2 != p1)) 4448da4e377Smcbride printf(":%u", p2); 445e0c302d0Smcbride } 446e0c302d0Smcbride break; 447e0c302d0Smcbride default: 448e0c302d0Smcbride break; 449e0c302d0Smcbride } 450e0c302d0Smcbride switch (pool->opts & PF_POOL_TYPEMASK) { 451e0c302d0Smcbride case PF_POOL_NONE: 452e0c302d0Smcbride break; 453e0c302d0Smcbride case PF_POOL_BITMASK: 454e0c302d0Smcbride printf(" bitmask"); 455e0c302d0Smcbride break; 456e0c302d0Smcbride case PF_POOL_RANDOM: 457e0c302d0Smcbride printf(" random"); 458e0c302d0Smcbride break; 459e0c302d0Smcbride case PF_POOL_SRCHASH: 4600436fa02Smcbride printf(" source-hash 0x%08x%08x%08x%08x", 461e0c302d0Smcbride pool->key.key32[0], pool->key.key32[1], 462e0c302d0Smcbride pool->key.key32[2], pool->key.key32[3]); 463e0c302d0Smcbride break; 464e0c302d0Smcbride case PF_POOL_ROUNDROBIN: 465e0c302d0Smcbride printf(" round-robin"); 466e0c302d0Smcbride break; 467e0c302d0Smcbride } 468fd777407Smcbride if (pool->opts & PF_POOL_STICKYADDR) 469fd777407Smcbride printf(" sticky-address"); 4709782f7a2Smcbride if (id == PF_NAT && p1 == 0 && p2 == 0) 471e0c302d0Smcbride printf(" static-port"); 4723a44df3cSmcbride } 4733a44df3cSmcbride 474132c30ccShenning const char *pf_reasons[PFRES_MAX+1] = PFRES_NAMES; 4756b640f62Smcbride const char *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES; 476132c30ccShenning const char *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES; 477fd777407Smcbride const char *pf_scounters[FCNT_MAX+1] = FCNT_NAMES; 47899a73934Sderaadt 47914a9b182Skjell void 480fd777407Smcbride print_status(struct pf_status *s, int opts) 48114a9b182Skjell { 4825191b30fScedric char statline[80], *running; 483c474e331Shenning time_t runtime; 48499a73934Sderaadt int i; 48599a73934Sderaadt 486c474e331Shenning runtime = time(NULL) - s->since; 4875191b30fScedric running = s->running ? "Enabled" : "Disabled"; 488c474e331Shenning 4895191b30fScedric if (s->since) { 490d85e4ad6Sdhartmei unsigned sec, min, hrs, day = runtime; 491d85e4ad6Sdhartmei 492d85e4ad6Sdhartmei sec = day % 60; 493d85e4ad6Sdhartmei day /= 60; 494d85e4ad6Sdhartmei min = day % 60; 495d85e4ad6Sdhartmei day /= 60; 496d85e4ad6Sdhartmei hrs = day % 24; 497d85e4ad6Sdhartmei day /= 24; 498c474e331Shenning snprintf(statline, sizeof(statline), 4995191b30fScedric "Status: %s for %u days %.2u:%.2u:%.2u", 5005191b30fScedric running, day, hrs, min, sec); 501d85e4ad6Sdhartmei } else 5025191b30fScedric snprintf(statline, sizeof(statline), "Status: %s", running); 503c97b4ee1Shenning printf("%-44s", statline); 504ae58c8acSdhartmei switch (s->debug) { 505a1d6f6e2Shenning case PF_DEBUG_NONE: 506c97b4ee1Shenning printf("%15s\n\n", "Debug: None"); 507ae58c8acSdhartmei break; 508a1d6f6e2Shenning case PF_DEBUG_URGENT: 509c97b4ee1Shenning printf("%15s\n\n", "Debug: Urgent"); 510ae58c8acSdhartmei break; 511a1d6f6e2Shenning case PF_DEBUG_MISC: 512c97b4ee1Shenning printf("%15s\n\n", "Debug: Misc"); 513ae58c8acSdhartmei break; 514a1d6f6e2Shenning case PF_DEBUG_NOISY: 515a1d6f6e2Shenning printf("%15s\n\n", "Debug: Loud"); 516a1d6f6e2Shenning break; 517ae58c8acSdhartmei } 5180c9bb4a7Sdhartmei printf("Hostid: 0x%08x\n\n", ntohl(s->hostid)); 519c474e331Shenning if (s->ifname[0] != 0) { 520c474e331Shenning printf("Interface Stats for %-16s %5s %16s\n", 521c474e331Shenning s->ifname, "IPv4", "IPv6"); 522c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes In", 523ef22e615Sdhartmei (unsigned long long)s->bcounters[0][0], 524ef22e615Sdhartmei (unsigned long long)s->bcounters[1][0]); 525c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes Out", 526ef22e615Sdhartmei (unsigned long long)s->bcounters[0][1], 527ef22e615Sdhartmei (unsigned long long)s->bcounters[1][1]); 528c474e331Shenning printf(" Packets In\n"); 529c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 530ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_PASS], 531ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_PASS]); 532c474e331Shenning printf(" %-23s %14llu %16llu\n", "Blocked", 533ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_DROP], 534ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_DROP]); 535c474e331Shenning printf(" Packets Out\n"); 536c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 537ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_PASS], 538ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_PASS]); 539c474e331Shenning printf(" %-23s %14llu %16llu\n\n", "Blocked", 540ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_DROP], 541ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_DROP]); 542c474e331Shenning } 543c474e331Shenning printf("%-27s %14s %16s\n", "State Table", "Total", "Rate"); 544c474e331Shenning printf(" %-25s %14u %14s\n", "current entries", s->states, ""); 545c474e331Shenning for (i = 0; i < FCNT_MAX; i++) { 546ea4ec064Sitojun printf(" %-25s %14llu ", pf_fcounters[i], 547ea4ec064Sitojun (unsigned long long)s->fcounters[i]); 548c474e331Shenning if (runtime > 0) 549c474e331Shenning printf("%14.1f/s\n", 550c474e331Shenning (double)s->fcounters[i] / (double)runtime); 551c474e331Shenning else 552c474e331Shenning printf("%14s\n", ""); 553c474e331Shenning } 554fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 555fd777407Smcbride printf("Source Tracking Table\n"); 556fd777407Smcbride printf(" %-25s %14u %14s\n", "current entries", 557fd777407Smcbride s->src_nodes, ""); 558fd777407Smcbride for (i = 0; i < SCNT_MAX; i++) { 559fd777407Smcbride printf(" %-25s %14lld ", pf_scounters[i], 560fd777407Smcbride s->scounters[i]); 561fd777407Smcbride if (runtime > 0) 562fd777407Smcbride printf("%14.1f/s\n", 563fd777407Smcbride (double)s->scounters[i] / (double)runtime); 564fd777407Smcbride else 565fd777407Smcbride printf("%14s\n", ""); 566fd777407Smcbride } 567fd777407Smcbride } 56899a73934Sderaadt printf("Counters\n"); 569c474e331Shenning for (i = 0; i < PFRES_MAX; i++) { 570ea4ec064Sitojun printf(" %-25s %14llu ", pf_reasons[i], 571ea4ec064Sitojun (unsigned long long)s->counters[i]); 572c474e331Shenning if (runtime > 0) 573c474e331Shenning printf("%14.1f/s\n", 574c474e331Shenning (double)s->counters[i] / (double)runtime); 575c474e331Shenning else 576c474e331Shenning printf("%14s\n", ""); 577c474e331Shenning } 5786b640f62Smcbride if (opts & PF_OPT_VERBOSE) { 5796b640f62Smcbride printf("Limit Counters\n"); 5806b640f62Smcbride for (i = 0; i < LCNT_MAX; i++) { 5816b640f62Smcbride printf(" %-25s %14lld ", pf_lcounters[i], 5826b640f62Smcbride s->lcounters[i]); 5836b640f62Smcbride if (runtime > 0) 5846b640f62Smcbride printf("%14.1f/s\n", 5856b640f62Smcbride (double)s->lcounters[i] / (double)runtime); 5866b640f62Smcbride else 5876b640f62Smcbride printf("%14s\n", ""); 5886b640f62Smcbride } 5896b640f62Smcbride } 59014a9b182Skjell } 59114a9b182Skjell 59214a9b182Skjell void 593fd777407Smcbride print_src_node(struct pf_src_node *sn, int opts) 594fd777407Smcbride { 595fd777407Smcbride struct pf_addr_wrap aw; 596fd777407Smcbride int min, sec; 597fd777407Smcbride 598fd777407Smcbride memset(&aw, 0, sizeof(aw)); 599fd777407Smcbride if (sn->af == AF_INET) 600fd777407Smcbride aw.v.a.mask.addr32[0] = 0xffffffff; 601fd777407Smcbride else 602fd777407Smcbride memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask)); 603fd777407Smcbride 604fd777407Smcbride aw.v.a.addr = sn->addr; 605fd777407Smcbride print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 606fd777407Smcbride printf(" -> "); 607fd777407Smcbride aw.v.a.addr = sn->raddr; 608fd777407Smcbride print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 6096b640f62Smcbride printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states, 6106b640f62Smcbride sn->conn, sn->conn_rate.count / 1000, 6116b640f62Smcbride (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds); 612fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 613fd777407Smcbride sec = sn->creation % 60; 614fd777407Smcbride sn->creation /= 60; 615fd777407Smcbride min = sn->creation % 60; 616fd777407Smcbride sn->creation /= 60; 617fd777407Smcbride printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec); 618fd777407Smcbride if (sn->states == 0) { 619fd777407Smcbride sec = sn->expire % 60; 620fd777407Smcbride sn->expire /= 60; 621fd777407Smcbride min = sn->expire % 60; 622fd777407Smcbride sn->expire /= 60; 623fd777407Smcbride printf(", expires in %.2u:%.2u:%.2u", 624fd777407Smcbride sn->expire, min, sec); 625fd777407Smcbride } 626fd777407Smcbride printf(", %u pkts, %u bytes", sn->packets, sn->bytes); 627fd777407Smcbride switch (sn->ruletype) { 628fd777407Smcbride case PF_NAT: 629fd777407Smcbride if (sn->rule.nr != -1) 630fd777407Smcbride printf(", nat rule %u", sn->rule.nr); 631fd777407Smcbride break; 632fd777407Smcbride case PF_RDR: 633fd777407Smcbride if (sn->rule.nr != -1) 634fd777407Smcbride printf(", rdr rule %u", sn->rule.nr); 635fd777407Smcbride break; 636fd777407Smcbride case PF_PASS: 637fd777407Smcbride if (sn->rule.nr != -1) 638fd777407Smcbride printf(", filter rule %u", sn->rule.nr); 639fd777407Smcbride break; 640fd777407Smcbride } 641fd777407Smcbride printf("\n"); 642fd777407Smcbride } 643fd777407Smcbride } 644fd777407Smcbride 645fd777407Smcbride void 646d9ad7941Sdhartmei print_rule(struct pf_rule *r, const char *anchor_call, int verbose) 64714a9b182Skjell { 6480e8bc214Saaron static const char *actiontypes[] = { "pass", "block", "scrub", 6490e8bc214Saaron "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr" }; 6501173271aScedric static const char *anchortypes[] = { "anchor", "anchor", "anchor", 6510e8bc214Saaron "anchor", "nat-anchor", "nat-anchor", "binat-anchor", 6520e8bc214Saaron "binat-anchor", "rdr-anchor", "rdr-anchor" }; 653cc5f0329Sdhartmei int i, opts; 654cc5f0329Sdhartmei 65574dc4fddShenning if (verbose) 65678baf774Sdhartmei printf("@%d ", r->nr); 6571173271aScedric if (r->action > PF_NORDR) 6581173271aScedric printf("action(%d)", r->action); 659d9ad7941Sdhartmei else if (anchor_call[0]) 660e77e5dc4Sjaredy printf("%s \"%s\"", anchortypes[r->action], 661e77e5dc4Sjaredy anchor_call); 662fde34e86Shenning else { 6631173271aScedric printf("%s", actiontypes[r->action]); 664fde34e86Shenning if (r->natpass) 665fde34e86Shenning printf(" pass"); 666fde34e86Shenning } 6671173271aScedric if (r->action == PF_DROP) { 6688a87542aShenning if (r->rule_flag & PFRULE_RETURN) 6698a87542aShenning printf(" return"); 6708a87542aShenning else if (r->rule_flag & PFRULE_RETURNRST) { 6711f77cc8aSpb if (!r->return_ttl) 67214a9b182Skjell printf(" return-rst"); 6731f77cc8aSpb else 6741f77cc8aSpb printf(" return-rst(ttl %d)", r->return_ttl); 675328b2decShenning } else if (r->rule_flag & PFRULE_RETURNICMP) { 676328b2decShenning const struct icmpcodeent *ic, *ic6; 677b996d042Sdhartmei 678b996d042Sdhartmei ic = geticmpcodebynumber(r->return_icmp >> 8, 679328b2decShenning r->return_icmp & 255, AF_INET); 680328b2decShenning ic6 = geticmpcodebynumber(r->return_icmp6 >> 8, 681328b2decShenning r->return_icmp6 & 255, AF_INET6); 682d14c53d7Swilfried 683328b2decShenning switch (r->af) { 684328b2decShenning case AF_INET: 685328b2decShenning printf(" return-icmp"); 686d14c53d7Swilfried if (ic == NULL) 687d14c53d7Swilfried printf("(%u)", r->return_icmp & 255); 688b996d042Sdhartmei else 689328b2decShenning printf("(%s)", ic->name); 690328b2decShenning break; 691328b2decShenning case AF_INET6: 692328b2decShenning printf(" return-icmp6"); 693328b2decShenning if (ic6 == NULL) 694328b2decShenning printf("(%u)", r->return_icmp6 & 255); 695328b2decShenning else 696328b2decShenning printf("(%s)", ic6->name); 697328b2decShenning break; 698328b2decShenning default: 699328b2decShenning printf(" return-icmp"); 700328b2decShenning if (ic == NULL) 701328b2decShenning printf("(%u, ", r->return_icmp & 255); 702328b2decShenning else 703328b2decShenning printf("(%s, ", ic->name); 704328b2decShenning if (ic6 == NULL) 705328b2decShenning printf("%u)", r->return_icmp6 & 255); 706328b2decShenning else 707328b2decShenning printf("%s)", ic6->name); 708328b2decShenning break; 709328b2decShenning } 710acf2444cShenning } else 711acf2444cShenning printf(" drop"); 7121173271aScedric } 7137189e280Sdhartmei if (r->direction == PF_IN) 71414a9b182Skjell printf(" in"); 7157189e280Sdhartmei else if (r->direction == PF_OUT) 71614a9b182Skjell printf(" out"); 717a46dc179Sdhartmei if (r->log) { 718a46dc179Sdhartmei printf(" log"); 719*1cb19346Sdhartmei if (r->log & ~PF_LOG) { 720*1cb19346Sdhartmei int count = 0; 721*1cb19346Sdhartmei 722a46dc179Sdhartmei printf(" ("); 723*1cb19346Sdhartmei if (r->log & PF_LOG_ALL) 724*1cb19346Sdhartmei printf("%sall", count++ ? ", " : ""); 725a46dc179Sdhartmei if (r->log & PF_LOG_SOCKET_LOOKUP) 726*1cb19346Sdhartmei printf("%suser", count++ ? ", " : ""); 727a46dc179Sdhartmei printf(")"); 728a46dc179Sdhartmei } 729a46dc179Sdhartmei } 73014a9b182Skjell if (r->quick) 73114a9b182Skjell printf(" quick"); 7327d0c9138Shenning if (r->ifname[0]) { 7337d0c9138Shenning if (r->ifnot) 7347d0c9138Shenning printf(" on ! %s", r->ifname); 7357d0c9138Shenning else 73614a9b182Skjell printf(" on %s", r->ifname); 7377d0c9138Shenning } 738cb3a4e31Sjasoni if (r->rt) { 739cb3a4e31Sjasoni if (r->rt == PF_ROUTETO) 740cb3a4e31Sjasoni printf(" route-to"); 741fa1cdd09Sdhartmei else if (r->rt == PF_REPLYTO) 742fa1cdd09Sdhartmei printf(" reply-to"); 743cb3a4e31Sjasoni else if (r->rt == PF_DUPTO) 744cb3a4e31Sjasoni printf(" dup-to"); 745cb3a4e31Sjasoni else if (r->rt == PF_FASTROUTE) 746cb3a4e31Sjasoni printf(" fastroute"); 747790504a6Sdhartmei if (r->rt != PF_FASTROUTE) { 748790504a6Sdhartmei printf(" "); 7491df6a140Scedric print_pool(&r->rpool, 0, 0, r->af, PF_PASS); 750790504a6Sdhartmei } 751cb3a4e31Sjasoni } 75230620b12Sfrantzen if (r->af) { 75330620b12Sfrantzen if (r->af == AF_INET) 75430620b12Sfrantzen printf(" inet"); 75530620b12Sfrantzen else 75630620b12Sfrantzen printf(" inet6"); 75730620b12Sfrantzen } 75814a9b182Skjell if (r->proto) { 759e4ebe044Shenning struct protoent *p; 760ed99c291Sderaadt 761e4ebe044Shenning if ((p = getprotobynumber(r->proto)) != NULL) 76214a9b182Skjell printf(" proto %s", p->p_name); 76314a9b182Skjell else 76414a9b182Skjell printf(" proto %u", r->proto); 76514a9b182Skjell } 76664b4b616Sfrantzen print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto, 76764b4b616Sfrantzen verbose); 768c16ab608Sdhartmei if (r->uid.op) 7691173271aScedric print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user", 7701173271aScedric UID_MAX); 771c16ab608Sdhartmei if (r->gid.op) 7721173271aScedric print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group", 7731173271aScedric GID_MAX); 77414a9b182Skjell if (r->flags || r->flagset) { 77514a9b182Skjell printf(" flags "); 77614a9b182Skjell print_flags(r->flags); 77714a9b182Skjell printf("/"); 77814a9b182Skjell print_flags(r->flagset); 77914a9b182Skjell } 780082ebc44Swilfried if (r->type) { 781b49ca6bbShenning const struct icmptypeent *it; 782082ebc44Swilfried 783b49ca6bbShenning it = geticmptypebynumber(r->type-1, r->af); 784d14c53d7Swilfried if (r->af != AF_INET6) 785d14c53d7Swilfried printf(" icmp-type"); 786082ebc44Swilfried else 787d0cb3502Smcbride printf(" icmp6-type"); 788b49ca6bbShenning if (it != NULL) 789b49ca6bbShenning printf(" %s", it->name); 790d14c53d7Swilfried else 791d14c53d7Swilfried printf(" %u", r->type-1); 792082ebc44Swilfried if (r->code) { 793b49ca6bbShenning const struct icmpcodeent *ic; 794082ebc44Swilfried 795b49ca6bbShenning ic = geticmpcodebynumber(r->type-1, r->code-1, r->af); 796b49ca6bbShenning if (ic != NULL) 797b49ca6bbShenning printf(" code %s", ic->name); 798082ebc44Swilfried else 79914a9b182Skjell printf(" code %u", r->code-1); 800082ebc44Swilfried } 801082ebc44Swilfried } 802e4cbe364Sdhartmei if (r->tos) 803e4cbe364Sdhartmei printf(" tos 0x%2.2x", r->tos); 804b96c47abSfrantzen if (r->keep_state == PF_STATE_NORMAL) 80514a9b182Skjell printf(" keep state"); 806b96c47abSfrantzen else if (r->keep_state == PF_STATE_MODULATE) 807b96c47abSfrantzen printf(" modulate state"); 80852e0438eSdhartmei else if (r->keep_state == PF_STATE_SYNPROXY) 80952e0438eSdhartmei printf(" synproxy state"); 81038425613Scedric if (r->prob) { 81138425613Scedric char buf[20]; 81238425613Scedric 81338425613Scedric snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0)); 81438425613Scedric for (i = strlen(buf)-1; i > 0; i--) { 81538425613Scedric if (buf[i] == '0') 81638425613Scedric buf[i] = '\0'; 81738425613Scedric else { 81838425613Scedric if (buf[i] == '.') 81938425613Scedric buf[i] = '\0'; 82038425613Scedric break; 82138425613Scedric } 82238425613Scedric } 82338425613Scedric printf(" probability %s%%", buf); 82438425613Scedric } 825cc5f0329Sdhartmei opts = 0; 826fd777407Smcbride if (r->max_states || r->max_src_nodes || r->max_src_states) 827cc5f0329Sdhartmei opts = 1; 828af80fa86Smcbride if (r->rule_flag & PFRULE_NOSYNC) 829af80fa86Smcbride opts = 1; 830fd777407Smcbride if (r->rule_flag & PFRULE_SRCTRACK) 831fd777407Smcbride opts = 1; 832c1f13696Shenning if (r->rule_flag & PFRULE_IFBOUND) 833ec359bd5Scedric opts = 1; 834cc5f0329Sdhartmei for (i = 0; !opts && i < PFTM_MAX; ++i) 835cc5f0329Sdhartmei if (r->timeout[i]) 836cc5f0329Sdhartmei opts = 1; 837cc5f0329Sdhartmei if (opts) { 838cc5f0329Sdhartmei printf(" ("); 839cc5f0329Sdhartmei if (r->max_states) { 840cc5f0329Sdhartmei printf("max %u", r->max_states); 841cc5f0329Sdhartmei opts = 0; 842cc5f0329Sdhartmei } 843af80fa86Smcbride if (r->rule_flag & PFRULE_NOSYNC) { 844af80fa86Smcbride if (!opts) 845af80fa86Smcbride printf(", "); 846af80fa86Smcbride printf("no-sync"); 847af80fa86Smcbride opts = 0; 848af80fa86Smcbride } 849fd777407Smcbride if (r->rule_flag & PFRULE_SRCTRACK) { 850fd777407Smcbride if (!opts) 851fd777407Smcbride printf(", "); 852fd777407Smcbride printf("source-track"); 853fd777407Smcbride if (r->rule_flag & PFRULE_RULESRCTRACK) 854fd777407Smcbride printf(" rule"); 855fd777407Smcbride else 856fd777407Smcbride printf(" global"); 857fd777407Smcbride opts = 0; 858fd777407Smcbride } 859fd777407Smcbride if (r->max_src_states) { 860fd777407Smcbride if (!opts) 861fd777407Smcbride printf(", "); 862fd777407Smcbride printf("max-src-states %u", r->max_src_states); 863fd777407Smcbride opts = 0; 864fd777407Smcbride } 8656b640f62Smcbride if (r->max_src_conn) { 8666b640f62Smcbride if (!opts) 8676b640f62Smcbride printf(", "); 8686b640f62Smcbride printf("max-src-conn %u", r->max_src_conn); 8696b640f62Smcbride opts = 0; 8706b640f62Smcbride } 8716b640f62Smcbride if (r->max_src_conn_rate.limit) { 8726b640f62Smcbride if (!opts) 8736b640f62Smcbride printf(", "); 8746b640f62Smcbride printf("max-src-conn-rate %u/%u", 8756b640f62Smcbride r->max_src_conn_rate.limit, 8766b640f62Smcbride r->max_src_conn_rate.seconds); 8776b640f62Smcbride opts = 0; 8786b640f62Smcbride } 879fd777407Smcbride if (r->max_src_nodes) { 880fd777407Smcbride if (!opts) 881fd777407Smcbride printf(", "); 882fd777407Smcbride printf("max-src-nodes %u", r->max_src_nodes); 883fd777407Smcbride opts = 0; 884fd777407Smcbride } 8856b640f62Smcbride if (r->overload_tblname[0]) { 8866b640f62Smcbride if (!opts) 8876b640f62Smcbride printf(", "); 8886b640f62Smcbride printf("overload <%s>", r->overload_tblname); 8891e320a53Sdhartmei if (r->flush) 8906b640f62Smcbride printf(" flush"); 8911e320a53Sdhartmei if (r->flush & PF_FLUSH_GLOBAL) 8921e320a53Sdhartmei printf(" global"); 8936b640f62Smcbride } 894ec359bd5Scedric if (r->rule_flag & PFRULE_IFBOUND) { 895ec359bd5Scedric if (!opts) 896ec359bd5Scedric printf(", "); 897ec359bd5Scedric printf("if-bound"); 898ec359bd5Scedric opts = 0; 899ec359bd5Scedric } 900cc5f0329Sdhartmei for (i = 0; i < PFTM_MAX; ++i) 901cc5f0329Sdhartmei if (r->timeout[i]) { 902ae233f99Sdhartmei int j; 903ae233f99Sdhartmei 904cc5f0329Sdhartmei if (!opts) 905cc5f0329Sdhartmei printf(", "); 906cc5f0329Sdhartmei opts = 0; 907ae233f99Sdhartmei for (j = 0; j < sizeof(pf_timeouts) / 908ae233f99Sdhartmei sizeof(pf_timeouts[0]); ++j) 909ae233f99Sdhartmei if (pf_timeouts[j].timeout == i) 910ae233f99Sdhartmei break; 911ae233f99Sdhartmei printf("%s %u", j == PFTM_MAX ? "inv.timeout" : 912ae233f99Sdhartmei pf_timeouts[j].name, r->timeout[i]); 913cc5f0329Sdhartmei } 914cc5f0329Sdhartmei printf(")"); 915cc5f0329Sdhartmei } 9166673dee2Sdhartmei if (r->rule_flag & PFRULE_FRAGMENT) 9176673dee2Sdhartmei printf(" fragment"); 91867d2a440Sprovos if (r->rule_flag & PFRULE_NODF) 91967d2a440Sprovos printf(" no-df"); 920edbe3066Sdhartmei if (r->rule_flag & PFRULE_RANDOMID) 921edbe3066Sdhartmei printf(" random-id"); 922e258bfd4Sprovos if (r->min_ttl) 92334c76dcbSprovos printf(" min-ttl %d", r->min_ttl); 924cfa91859Sjasoni if (r->max_mss) 925cfa91859Sjasoni printf(" max-mss %d", r->max_mss); 926f48d62b3Sdhartmei if (r->allow_opts) 927f48d62b3Sdhartmei printf(" allow-opts"); 928b02af636Sfrantzen if (r->action == PF_SCRUB) { 9292b95ca55Sfrantzen if (r->rule_flag & PFRULE_REASSEMBLE_TCP) 9302b95ca55Sfrantzen printf(" reassemble tcp"); 9312b95ca55Sfrantzen 932b02af636Sfrantzen if (r->rule_flag & PFRULE_FRAGDROP) 933b02af636Sfrantzen printf(" fragment drop-ovl"); 934b02af636Sfrantzen else if (r->rule_flag & PFRULE_FRAGCROP) 935b02af636Sfrantzen printf(" fragment crop"); 936b02af636Sfrantzen else 937b02af636Sfrantzen printf(" fragment reassemble"); 938b02af636Sfrantzen } 939455ef0c1Sdhartmei if (r->label[0]) 940ff45dfa8Scamield printf(" label \"%s\"", r->label); 941f98324c6Shenning if (r->qname[0] && r->pqname[0]) 942f98324c6Shenning printf(" queue(%s, %s)", r->qname, r->pqname); 943f98324c6Shenning else if (r->qname[0]) 94478e1d2a6Shenning printf(" queue %s", r->qname); 9458aecb81aShenning if (r->tagname[0]) 9468aecb81aShenning printf(" tag %s", r->tagname); 94736369899Shenning if (r->match_tagname[0]) { 94836369899Shenning if (r->match_tag_not) 94936369899Shenning printf(" !"); 9500a5f7f2fShenning printf(" tagged %s", r->match_tagname); 95136369899Shenning } 952d9ad7941Sdhartmei if (!anchor_call[0] && (r->action == PF_NAT || 953d0aca2f2Shenning r->action == PF_BINAT || r->action == PF_RDR)) { 954d0aca2f2Shenning printf(" -> "); 955d0aca2f2Shenning print_pool(&r->rpool, r->rpool.proxy_port[0], 956d0aca2f2Shenning r->rpool.proxy_port[1], r->af, r->action); 957d0aca2f2Shenning } 95814a9b182Skjell printf("\n"); 95914a9b182Skjell } 96014a9b182Skjell 9615b6c447dScedric void 9625b6c447dScedric print_tabledef(const char *name, int flags, int addrs, 9635b6c447dScedric struct node_tinithead *nodes) 9645b6c447dScedric { 9655b6c447dScedric struct node_tinit *ti, *nti; 9665b6c447dScedric struct node_host *h; 9675b6c447dScedric 9685b6c447dScedric printf("table <%s>", name); 9695b6c447dScedric if (flags & PFR_TFLAG_CONST) 9705b6c447dScedric printf(" const"); 9715b6c447dScedric if (flags & PFR_TFLAG_PERSIST) 9725b6c447dScedric printf(" persist"); 9735b6c447dScedric SIMPLEQ_FOREACH(ti, nodes, entries) { 9745b6c447dScedric if (ti->file) { 9755b6c447dScedric printf(" file \"%s\"", ti->file); 9765b6c447dScedric continue; 9775b6c447dScedric } 9785b6c447dScedric printf(" {"); 9795b6c447dScedric for (;;) { 9805b6c447dScedric for (h = ti->host; h != NULL; h = h->next) { 9815b6c447dScedric printf(h->not ? " !" : " "); 9825b6c447dScedric print_addr(&h->addr, h->af, 0); 9835b6c447dScedric } 9845b6c447dScedric nti = SIMPLEQ_NEXT(ti, entries); 9855b6c447dScedric if (nti != NULL && nti->file == NULL) 9865b6c447dScedric ti = nti; /* merge lists */ 9875b6c447dScedric else 9885b6c447dScedric break; 9895b6c447dScedric } 9905b6c447dScedric printf(" }"); 9915b6c447dScedric } 9925b6c447dScedric if (addrs && SIMPLEQ_EMPTY(nodes)) 9935b6c447dScedric printf(" { }"); 9945b6c447dScedric printf("\n"); 9955b6c447dScedric } 9965b6c447dScedric 9971f8f21bdSmillert int 998ff352a37Smarkus parse_flags(char *s) 99914a9b182Skjell { 1000ff352a37Smarkus char *p, *q; 100114a9b182Skjell u_int8_t f = 0; 100281a15e5dSderaadt 1003ff352a37Smarkus for (p = s; *p; p++) { 1004ff352a37Smarkus if ((q = strchr(tcpflags, *p)) == NULL) 1005ff352a37Smarkus return -1; 1006ff352a37Smarkus else 1007ff352a37Smarkus f |= 1 << (q - tcpflags); 100814a9b182Skjell } 1009bc795af0Shugh return (f ? f : PF_TH_ALL); 101014a9b182Skjell } 101194e9410bShenning 101294e9410bShenning void 101394e9410bShenning set_ipmask(struct node_host *h, u_int8_t b) 101494e9410bShenning { 101594e9410bShenning struct pf_addr *m, *n; 101694e9410bShenning int i, j = 0; 101794e9410bShenning 101894e9410bShenning m = &h->addr.v.a.mask; 1019ab648bf6Sfrantzen memset(m, 0, sizeof(*m)); 102094e9410bShenning 102194e9410bShenning while (b >= 32) { 102294e9410bShenning m->addr32[j++] = 0xffffffff; 102394e9410bShenning b -= 32; 102494e9410bShenning } 102594e9410bShenning for (i = 31; i > 31-b; --i) 102694e9410bShenning m->addr32[j] |= (1 << i); 102794e9410bShenning if (b) 102894e9410bShenning m->addr32[j] = htonl(m->addr32[j]); 102994e9410bShenning 103094e9410bShenning /* Mask off bits of the address that will never be used. */ 103194e9410bShenning n = &h->addr.v.a.addr; 1032ff626af1Shenning if (h->addr.type == PF_ADDR_ADDRMASK) 103394e9410bShenning for (i = 0; i < 4; i++) 103494e9410bShenning n->addr32[i] = n->addr32[i] & m->addr32[i]; 103594e9410bShenning } 103694e9410bShenning 103752f4a4a4Shenning int 103852f4a4a4Shenning check_netmask(struct node_host *h, sa_family_t af) 103952f4a4a4Shenning { 104052f4a4a4Shenning struct node_host *n = NULL; 104152f4a4a4Shenning struct pf_addr *m; 104252f4a4a4Shenning 104352f4a4a4Shenning for (n = h; n != NULL; n = n->next) { 104475d911b5Scedric if (h->addr.type == PF_ADDR_TABLE) 104575d911b5Scedric continue; 104652f4a4a4Shenning m = &h->addr.v.a.mask; 104752f4a4a4Shenning /* fix up netmask for dynaddr */ 104852f4a4a4Shenning if (af == AF_INET && h->addr.type == PF_ADDR_DYNIFTL && 104952f4a4a4Shenning unmask(m, AF_INET6) > 32) 105052f4a4a4Shenning set_ipmask(n, 32); 105152f4a4a4Shenning /* netmasks > 32 bit are invalid on v4 */ 105252f4a4a4Shenning if (af == AF_INET && 105352f4a4a4Shenning (m->addr32[1] || m->addr32[2] || m->addr32[3])) { 105452f4a4a4Shenning fprintf(stderr, "netmask %u invalid for IPv4 address\n", 105552f4a4a4Shenning unmask(m, AF_INET6)); 105652f4a4a4Shenning return (1); 105752f4a4a4Shenning } 105852f4a4a4Shenning } 105952f4a4a4Shenning return (0); 106052f4a4a4Shenning } 106152f4a4a4Shenning 106294e9410bShenning /* interface lookup routines */ 106394e9410bShenning 106494e9410bShenning struct node_host *iftab; 106594e9410bShenning 106694e9410bShenning void 106794e9410bShenning ifa_load(void) 106894e9410bShenning { 106994e9410bShenning struct ifaddrs *ifap, *ifa; 107094e9410bShenning struct node_host *n = NULL, *h = NULL; 107194e9410bShenning 107294e9410bShenning if (getifaddrs(&ifap) < 0) 107394e9410bShenning err(1, "getifaddrs"); 107494e9410bShenning 107594e9410bShenning for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 107694e9410bShenning if (!(ifa->ifa_addr->sa_family == AF_INET || 107794e9410bShenning ifa->ifa_addr->sa_family == AF_INET6 || 107894e9410bShenning ifa->ifa_addr->sa_family == AF_LINK)) 107994e9410bShenning continue; 108094e9410bShenning n = calloc(1, sizeof(struct node_host)); 108194e9410bShenning if (n == NULL) 108294e9410bShenning err(1, "address: calloc"); 108394e9410bShenning n->af = ifa->ifa_addr->sa_family; 108494e9410bShenning n->ifa_flags = ifa->ifa_flags; 108594e9410bShenning #ifdef __KAME__ 108694e9410bShenning if (n->af == AF_INET6 && 108794e9410bShenning IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *) 108894e9410bShenning ifa->ifa_addr)->sin6_addr) && 1089ab642153Shenning ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id == 1090ab642153Shenning 0) { 109194e9410bShenning struct sockaddr_in6 *sin6; 109294e9410bShenning 109394e9410bShenning sin6 = (struct sockaddr_in6 *)ifa->ifa_addr; 109494e9410bShenning sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 | 109594e9410bShenning sin6->sin6_addr.s6_addr[3]; 109694e9410bShenning sin6->sin6_addr.s6_addr[2] = 0; 109794e9410bShenning sin6->sin6_addr.s6_addr[3] = 0; 109894e9410bShenning } 109994e9410bShenning #endif 110094e9410bShenning n->ifindex = 0; 110194e9410bShenning if (n->af == AF_INET) { 110294e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in *) 110394e9410bShenning ifa->ifa_addr)->sin_addr.s_addr, 110494e9410bShenning sizeof(struct in_addr)); 110594e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in *) 110694e9410bShenning ifa->ifa_netmask)->sin_addr.s_addr, 110794e9410bShenning sizeof(struct in_addr)); 110894e9410bShenning if (ifa->ifa_broadaddr != NULL) 110994e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in *) 111094e9410bShenning ifa->ifa_broadaddr)->sin_addr.s_addr, 111194e9410bShenning sizeof(struct in_addr)); 1112ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1113ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in *) 1114ec359bd5Scedric ifa->ifa_dstaddr)->sin_addr.s_addr, 1115ec359bd5Scedric sizeof(struct in_addr)); 111694e9410bShenning } else if (n->af == AF_INET6) { 111794e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in6 *) 111894e9410bShenning ifa->ifa_addr)->sin6_addr.s6_addr, 111994e9410bShenning sizeof(struct in6_addr)); 112094e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in6 *) 112194e9410bShenning ifa->ifa_netmask)->sin6_addr.s6_addr, 112294e9410bShenning sizeof(struct in6_addr)); 112394e9410bShenning if (ifa->ifa_broadaddr != NULL) 112494e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in6 *) 112594e9410bShenning ifa->ifa_broadaddr)->sin6_addr.s6_addr, 112694e9410bShenning sizeof(struct in6_addr)); 1127ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1128ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in6 *) 1129ec359bd5Scedric ifa->ifa_dstaddr)->sin6_addr.s6_addr, 1130ec359bd5Scedric sizeof(struct in6_addr)); 113194e9410bShenning n->ifindex = ((struct sockaddr_in6 *) 113294e9410bShenning ifa->ifa_addr)->sin6_scope_id; 113394e9410bShenning } 113494e9410bShenning if ((n->ifname = strdup(ifa->ifa_name)) == NULL) 113594e9410bShenning err(1, "ifa_load: strdup"); 113694e9410bShenning n->next = NULL; 113794e9410bShenning n->tail = n; 113894e9410bShenning if (h == NULL) 113994e9410bShenning h = n; 114094e9410bShenning else { 114194e9410bShenning h->tail->next = n; 114294e9410bShenning h->tail = n; 114394e9410bShenning } 114494e9410bShenning } 1145ec359bd5Scedric 114694e9410bShenning iftab = h; 114794e9410bShenning freeifaddrs(ifap); 114894e9410bShenning } 114994e9410bShenning 115094e9410bShenning struct node_host * 1151ec359bd5Scedric ifa_exists(const char *ifa_name, int group_ok) 115294e9410bShenning { 115394e9410bShenning struct node_host *n; 115494e9410bShenning 115594e9410bShenning if (iftab == NULL) 115694e9410bShenning ifa_load(); 115794e9410bShenning 115894e9410bShenning for (n = iftab; n; n = n->next) { 115994e9410bShenning if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ)) 116094e9410bShenning return (n); 116194e9410bShenning } 1162655a9f8aShenning 116394e9410bShenning return (NULL); 116494e9410bShenning } 116594e9410bShenning 116694e9410bShenning struct node_host * 1167ec359bd5Scedric ifa_lookup(const char *ifa_name, int flags) 116894e9410bShenning { 116994e9410bShenning struct node_host *p = NULL, *h = NULL, *n = NULL; 11707ad220f2Scedric int got4 = 0, got6 = 0; 1171ec359bd5Scedric const char *last_if = NULL; 117294e9410bShenning 117394e9410bShenning if (!strncmp(ifa_name, "self", IFNAMSIZ)) 11747ad220f2Scedric ifa_name = NULL; 117594e9410bShenning 117694e9410bShenning if (iftab == NULL) 117794e9410bShenning ifa_load(); 117894e9410bShenning 117994e9410bShenning for (p = iftab; p; p = p->next) { 11807ad220f2Scedric if (ifa_skip_if(ifa_name, p)) 118194e9410bShenning continue; 1182ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET) 118394e9410bShenning continue; 1184ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && 1185ec359bd5Scedric !(p->ifa_flags & IFF_BROADCAST)) 118694e9410bShenning continue; 1187ec359bd5Scedric if ((flags & PFI_AFLAG_PEER) && 1188ec359bd5Scedric !(p->ifa_flags & IFF_POINTOPOINT)) 1189ec359bd5Scedric continue; 1190ec359bd5Scedric if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0) 1191ec359bd5Scedric continue; 1192ec359bd5Scedric if (last_if == NULL || strcmp(last_if, p->ifname)) 1193ec359bd5Scedric got4 = got6 = 0; 1194ec359bd5Scedric last_if = p->ifname; 1195ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4) 1196ec359bd5Scedric continue; 1197ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6) 1198ec359bd5Scedric continue; 1199ec359bd5Scedric if (p->af == AF_INET) 1200ec359bd5Scedric got4 = 1; 1201ec359bd5Scedric else 1202ec359bd5Scedric got6 = 1; 120394e9410bShenning n = calloc(1, sizeof(struct node_host)); 120494e9410bShenning if (n == NULL) 120594e9410bShenning err(1, "address: calloc"); 120694e9410bShenning n->af = p->af; 1207ec359bd5Scedric if (flags & PFI_AFLAG_BROADCAST) 120894e9410bShenning memcpy(&n->addr.v.a.addr, &p->bcast, 120994e9410bShenning sizeof(struct pf_addr)); 1210ec359bd5Scedric else if (flags & PFI_AFLAG_PEER) 1211ec359bd5Scedric memcpy(&n->addr.v.a.addr, &p->peer, 1212ec359bd5Scedric sizeof(struct pf_addr)); 121394e9410bShenning else 121494e9410bShenning memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr, 121594e9410bShenning sizeof(struct pf_addr)); 1216ec359bd5Scedric if (flags & PFI_AFLAG_NETWORK) 121794e9410bShenning set_ipmask(n, unmask(&p->addr.v.a.mask, n->af)); 121894e9410bShenning else { 121994e9410bShenning if (n->af == AF_INET) { 122094e9410bShenning if (p->ifa_flags & IFF_LOOPBACK && 122194e9410bShenning p->ifa_flags & IFF_LINK1) 122294e9410bShenning memcpy(&n->addr.v.a.mask, 122394e9410bShenning &p->addr.v.a.mask, 122494e9410bShenning sizeof(struct pf_addr)); 122594e9410bShenning else 122694e9410bShenning set_ipmask(n, 32); 122794e9410bShenning } else 122894e9410bShenning set_ipmask(n, 128); 122994e9410bShenning } 123094e9410bShenning n->ifindex = p->ifindex; 123194e9410bShenning 123294e9410bShenning n->next = NULL; 123394e9410bShenning n->tail = n; 123494e9410bShenning if (h == NULL) 123594e9410bShenning h = n; 123694e9410bShenning else { 123794e9410bShenning h->tail->next = n; 123894e9410bShenning h->tail = n; 123994e9410bShenning } 124094e9410bShenning } 124194e9410bShenning return (h); 124294e9410bShenning } 124394e9410bShenning 12447ad220f2Scedric int 12457ad220f2Scedric ifa_skip_if(const char *filter, struct node_host *p) 12467ad220f2Scedric { 12477ad220f2Scedric int n; 12487ad220f2Scedric 12497ad220f2Scedric if (p->af != AF_INET && p->af != AF_INET6) 12507ad220f2Scedric return (1); 12517ad220f2Scedric if (filter == NULL || !*filter) 12527ad220f2Scedric return (0); 12537ad220f2Scedric if (!strcmp(p->ifname, filter)) 12547ad220f2Scedric return (0); /* exact match */ 12557ad220f2Scedric n = strlen(filter); 12567ad220f2Scedric if (n < 1 || n >= IFNAMSIZ) 12577ad220f2Scedric return (1); /* sanity check */ 12587ad220f2Scedric if (filter[n-1] >= '0' && filter[n-1] <= '9') 12597ad220f2Scedric return (1); /* only do exact match in that case */ 12607ad220f2Scedric if (strncmp(p->ifname, filter, n)) 12617ad220f2Scedric return (1); /* prefix doesn't match */ 12627ad220f2Scedric return (p->ifname[n] < '0' || p->ifname[n] > '9'); 12637ad220f2Scedric } 12647ad220f2Scedric 12657ad220f2Scedric 126694e9410bShenning struct node_host * 1267f23861c1Shenning host(const char *s) 126894e9410bShenning { 12692a6c1abaShenning struct node_host *h = NULL; 1270f23861c1Shenning int mask, v4mask, v6mask, cont = 1; 1271f23861c1Shenning char *p, *q, *ps; 127294e9410bShenning 127394e9410bShenning if ((p = strrchr(s, '/')) != NULL) { 127494e9410bShenning mask = strtol(p+1, &q, 0); 1275fecc9cd0Shenning if (!q || *q || mask > 128 || q == (p+1)) { 12763f76a180Sdhartmei fprintf(stderr, "invalid netmask '%s'\n", p); 127794e9410bShenning return (NULL); 127894e9410bShenning } 1279a81c851cShenning if ((ps = malloc(strlen(s) - strlen(p) + 1)) == NULL) 128094e9410bShenning err(1, "host: malloc"); 128194e9410bShenning strlcpy(ps, s, strlen(s) - strlen(p) + 1); 128294e9410bShenning v4mask = v6mask = mask; 128394e9410bShenning } else { 1284f23861c1Shenning if ((ps = strdup(s)) == NULL) 1285f23861c1Shenning err(1, "host: strdup"); 128694e9410bShenning v4mask = 32; 128794e9410bShenning v6mask = 128; 1288f23861c1Shenning mask = -1; 128994e9410bShenning } 129094e9410bShenning 12912a6c1abaShenning /* interface with this name exists? */ 12924a36d485Shenning if (cont && (h = host_if(ps, mask)) != NULL) 12932a6c1abaShenning cont = 0; 12942a6c1abaShenning 12952a6c1abaShenning /* IPv4 address? */ 1296f23861c1Shenning if (cont && (h = host_v4(s, mask)) != NULL) 12972a6c1abaShenning cont = 0; 12982a6c1abaShenning 12992a6c1abaShenning /* IPv6 address? */ 13002a6c1abaShenning if (cont && (h = host_v6(ps, v6mask)) != NULL) 13012a6c1abaShenning cont = 0; 13022a6c1abaShenning 13032a6c1abaShenning /* dns lookup */ 13042a6c1abaShenning if (cont && (h = host_dns(ps, v4mask, v6mask)) != NULL) 13052a6c1abaShenning cont = 0; 13062a6c1abaShenning free(ps); 13072a6c1abaShenning 13082a6c1abaShenning if (h == NULL || cont == 1) { 13092a6c1abaShenning fprintf(stderr, "no IP address found for %s\n", s); 13102a6c1abaShenning return (NULL); 13112a6c1abaShenning } 13122a6c1abaShenning return (h); 13132a6c1abaShenning } 13142a6c1abaShenning 13152a6c1abaShenning struct node_host * 1316f2370d27Shenning host_if(const char *s, int mask) 13172a6c1abaShenning { 13182a6c1abaShenning struct node_host *n, *h = NULL; 13194a36d485Shenning char *p, *ps; 1320ec359bd5Scedric int flags = 0; 13212a6c1abaShenning 1322ec359bd5Scedric if ((ps = strdup(s)) == NULL) 1323ec359bd5Scedric err(1, "host_if: strdup"); 1324ec359bd5Scedric while ((p = strrchr(ps, ':')) != NULL) { 13254a36d485Shenning if (!strcmp(p+1, "network")) 1326ec359bd5Scedric flags |= PFI_AFLAG_NETWORK; 1327ec359bd5Scedric else if (!strcmp(p+1, "broadcast")) 1328ec359bd5Scedric flags |= PFI_AFLAG_BROADCAST; 1329ec359bd5Scedric else if (!strcmp(p+1, "peer")) 1330ec359bd5Scedric flags |= PFI_AFLAG_PEER; 1331ec359bd5Scedric else if (!strcmp(p+1, "0")) 1332ec359bd5Scedric flags |= PFI_AFLAG_NOALIAS; 1333f8bc5305Shenning else { 1334f8bc5305Shenning free(ps); 1335ec359bd5Scedric return (NULL); 1336f8bc5305Shenning } 1337ec359bd5Scedric *p = '\0'; 1338ec359bd5Scedric } 1339ec359bd5Scedric if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */ 1340ec359bd5Scedric fprintf(stderr, "illegal combination of interface modifiers\n"); 1341f8bc5305Shenning free(ps); 1342ec359bd5Scedric return (NULL); 1343ec359bd5Scedric } 1344ec359bd5Scedric if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) { 13454a36d485Shenning fprintf(stderr, "network or broadcast lookup, but " 13464a36d485Shenning "extra netmask given\n"); 1347f8bc5305Shenning free(ps); 13484a36d485Shenning return (NULL); 13494a36d485Shenning } 1350ec359bd5Scedric if (ifa_exists(ps, 1) || !strncmp(ps, "self", IFNAMSIZ)) { 13512a6c1abaShenning /* interface with this name exists */ 1352ec359bd5Scedric h = ifa_lookup(ps, flags); 13532a6c1abaShenning for (n = h; n != NULL && mask > -1; n = n->next) 13542a6c1abaShenning set_ipmask(n, mask); 13552a6c1abaShenning } 13564a36d485Shenning 13574a36d485Shenning free(ps); 13582a6c1abaShenning return (h); 13592a6c1abaShenning } 13602a6c1abaShenning 13612a6c1abaShenning struct node_host * 1362383ebbbfShenning host_v4(const char *s, int mask) 13632a6c1abaShenning { 13642a6c1abaShenning struct node_host *h = NULL; 13652a6c1abaShenning struct in_addr ina; 136690fffbb7Shenning int bits = 32; 13672a6c1abaShenning 136894e9410bShenning memset(&ina, 0, sizeof(struct in_addr)); 136990fffbb7Shenning if (strrchr(s, '/') != NULL) { 137090fffbb7Shenning if ((bits = inet_net_pton(AF_INET, s, &ina, sizeof(ina))) == -1) 137190fffbb7Shenning return (NULL); 137290fffbb7Shenning } else { 137390fffbb7Shenning if (inet_pton(AF_INET, s, &ina) != 1) 137490fffbb7Shenning return (NULL); 137590fffbb7Shenning } 137690fffbb7Shenning 137794e9410bShenning h = calloc(1, sizeof(struct node_host)); 137894e9410bShenning if (h == NULL) 137994e9410bShenning err(1, "address: calloc"); 138094e9410bShenning h->ifname = NULL; 138194e9410bShenning h->af = AF_INET; 138294e9410bShenning h->addr.v.a.addr.addr32[0] = ina.s_addr; 138394e9410bShenning set_ipmask(h, bits); 138494e9410bShenning h->next = NULL; 138594e9410bShenning h->tail = h; 13862a6c1abaShenning 138794e9410bShenning return (h); 138894e9410bShenning } 13892a6c1abaShenning 13902a6c1abaShenning struct node_host * 1391f2370d27Shenning host_v6(const char *s, int mask) 13922a6c1abaShenning { 13932a6c1abaShenning struct addrinfo hints, *res; 13942a6c1abaShenning struct node_host *h = NULL; 139594e9410bShenning 139694e9410bShenning memset(&hints, 0, sizeof(hints)); 139794e9410bShenning hints.ai_family = AF_INET6; 139894e9410bShenning hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 139994e9410bShenning hints.ai_flags = AI_NUMERICHOST; 14002a6c1abaShenning if (getaddrinfo(s, "0", &hints, &res) == 0) { 14012a6c1abaShenning h = calloc(1, sizeof(struct node_host)); 14022a6c1abaShenning if (h == NULL) 140394e9410bShenning err(1, "address: calloc"); 14042a6c1abaShenning h->ifname = NULL; 14052a6c1abaShenning h->af = AF_INET6; 14062a6c1abaShenning memcpy(&h->addr.v.a.addr, 140794e9410bShenning &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr, 14082a6c1abaShenning sizeof(h->addr.v.a.addr)); 14092a6c1abaShenning h->ifindex = 14102a6c1abaShenning ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 14112a6c1abaShenning set_ipmask(h, mask); 141294e9410bShenning freeaddrinfo(res); 14132a6c1abaShenning h->next = NULL; 14142a6c1abaShenning h->tail = h; 141594e9410bShenning } 141694e9410bShenning 14172a6c1abaShenning return (h); 14182a6c1abaShenning } 14192a6c1abaShenning 14202a6c1abaShenning struct node_host * 1421f2370d27Shenning host_dns(const char *s, int v4mask, int v6mask) 14222a6c1abaShenning { 14232a6c1abaShenning struct addrinfo hints, *res0, *res; 14242a6c1abaShenning struct node_host *n, *h = NULL; 1425ec359bd5Scedric int error, noalias = 0; 1426ec359bd5Scedric int got4 = 0, got6 = 0; 1427ec359bd5Scedric char *p, *ps; 14282a6c1abaShenning 1429ec359bd5Scedric if ((ps = strdup(s)) == NULL) 143022dee42fShenning err(1, "host_dns: strdup"); 1431ec359bd5Scedric if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) { 1432ec359bd5Scedric noalias = 1; 1433ec359bd5Scedric *p = '\0'; 1434ec359bd5Scedric } 143594e9410bShenning memset(&hints, 0, sizeof(hints)); 143694e9410bShenning hints.ai_family = PF_UNSPEC; 143794e9410bShenning hints.ai_socktype = SOCK_STREAM; /* DUMMY */ 1438ec359bd5Scedric error = getaddrinfo(ps, NULL, &hints, &res0); 1439b4d8b6eeShenning if (error) { 1440b4d8b6eeShenning free(ps); 14412a6c1abaShenning return (h); 1442b4d8b6eeShenning } 14432a6c1abaShenning 144494e9410bShenning for (res = res0; res; res = res->ai_next) { 144594e9410bShenning if (res->ai_family != AF_INET && 144694e9410bShenning res->ai_family != AF_INET6) 144794e9410bShenning continue; 1448ec359bd5Scedric if (noalias) { 1449ec359bd5Scedric if (res->ai_family == AF_INET) { 1450ec359bd5Scedric if (got4) 1451ec359bd5Scedric continue; 1452ec359bd5Scedric got4 = 1; 1453ec359bd5Scedric } else { 1454ec359bd5Scedric if (got6) 1455ec359bd5Scedric continue; 1456ec359bd5Scedric got6 = 1; 1457ec359bd5Scedric } 1458ec359bd5Scedric } 145994e9410bShenning n = calloc(1, sizeof(struct node_host)); 146094e9410bShenning if (n == NULL) 14612a6c1abaShenning err(1, "host_dns: calloc"); 146294e9410bShenning n->ifname = NULL; 146394e9410bShenning n->af = res->ai_family; 146494e9410bShenning if (res->ai_family == AF_INET) { 146594e9410bShenning memcpy(&n->addr.v.a.addr, 14662a6c1abaShenning &((struct sockaddr_in *) 14672a6c1abaShenning res->ai_addr)->sin_addr.s_addr, 146894e9410bShenning sizeof(struct in_addr)); 146994e9410bShenning set_ipmask(n, v4mask); 147094e9410bShenning } else { 147194e9410bShenning memcpy(&n->addr.v.a.addr, 14722a6c1abaShenning &((struct sockaddr_in6 *) 14732a6c1abaShenning res->ai_addr)->sin6_addr.s6_addr, 147494e9410bShenning sizeof(struct in6_addr)); 147594e9410bShenning n->ifindex = 14762a6c1abaShenning ((struct sockaddr_in6 *) 14772a6c1abaShenning res->ai_addr)->sin6_scope_id; 147894e9410bShenning set_ipmask(n, v6mask); 147994e9410bShenning } 148094e9410bShenning n->next = NULL; 148194e9410bShenning n->tail = n; 148294e9410bShenning if (h == NULL) 148394e9410bShenning h = n; 148494e9410bShenning else { 148594e9410bShenning h->tail->next = n; 148694e9410bShenning h->tail = n; 148794e9410bShenning } 148894e9410bShenning } 148994e9410bShenning freeaddrinfo(res0); 1490ec359bd5Scedric free(ps); 149194e9410bShenning 149294e9410bShenning return (h); 149394e9410bShenning } 149442e05679Scedric 149542e05679Scedric /* 149642e05679Scedric * convert a hostname to a list of addresses and put them in the given buffer. 149742e05679Scedric * test: 149842e05679Scedric * if set to 1, only simple addresses are accepted (no netblock, no "!"). 149942e05679Scedric */ 150042e05679Scedric int 150142e05679Scedric append_addr(struct pfr_buffer *b, char *s, int test) 150242e05679Scedric { 15035b6c447dScedric char *r; 1504b88a8d5dScedric struct node_host *h, *n; 1505b88a8d5dScedric int rv, not = 0; 15065b6c447dScedric 15075b6c447dScedric for (r = s; *r == '!'; r++) 15085b6c447dScedric not = !not; 15095b6c447dScedric if ((n = host(r)) == NULL) { 15105b6c447dScedric errno = 0; 15115b6c447dScedric return (-1); 15125b6c447dScedric } 1513b88a8d5dScedric rv = append_addr_host(b, n, test, not); 1514b88a8d5dScedric do { 1515b88a8d5dScedric h = n; 1516b88a8d5dScedric n = n->next; 1517b88a8d5dScedric free(h); 1518b88a8d5dScedric } while (n != NULL); 1519b88a8d5dScedric return (rv); 152042e05679Scedric } 152142e05679Scedric 152242e05679Scedric /* 15235b6c447dScedric * same as previous function, but with a pre-parsed input and the ability 1524b88a8d5dScedric * to "negate" the result. Does not free the node_host list. 152542e05679Scedric * not: 152642e05679Scedric * setting it to 1 is equivalent to adding "!" in front of parameter s. 152742e05679Scedric */ 152842e05679Scedric int 15295b6c447dScedric append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not) 153042e05679Scedric { 153142e05679Scedric int bits; 153242e05679Scedric struct pfr_addr addr; 153342e05679Scedric 153442e05679Scedric do { 153542e05679Scedric bzero(&addr, sizeof(addr)); 15365b6c447dScedric addr.pfra_not = n->not ^ not; 153742e05679Scedric addr.pfra_af = n->af; 153842e05679Scedric addr.pfra_net = unmask(&n->addr.v.a.mask, n->af); 153942e05679Scedric switch (n->af) { 154042e05679Scedric case AF_INET: 154142e05679Scedric addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0]; 154242e05679Scedric bits = 32; 154342e05679Scedric break; 154442e05679Scedric case AF_INET6: 154542e05679Scedric memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6, 154642e05679Scedric sizeof(struct in6_addr)); 154742e05679Scedric bits = 128; 154842e05679Scedric break; 154942e05679Scedric default: 155042e05679Scedric errno = EINVAL; 155142e05679Scedric return (-1); 155242e05679Scedric } 155342e05679Scedric if ((test && (not || addr.pfra_net != bits)) || 155442e05679Scedric addr.pfra_net > bits) { 155542e05679Scedric errno = EINVAL; 155642e05679Scedric return (-1); 155742e05679Scedric } 155842e05679Scedric if (pfr_buf_add(b, &addr)) 155942e05679Scedric return (-1); 1560b88a8d5dScedric } while ((n = n->next) != NULL); 156142e05679Scedric 156242e05679Scedric return (0); 156342e05679Scedric } 156479cc0068Scedric 156579cc0068Scedric int 1566d9ad7941Sdhartmei pfctl_add_trans(struct pfr_buffer *buf, int rs_num, const char *anchor) 156779cc0068Scedric { 156879cc0068Scedric struct pfioc_trans_e trans; 156979cc0068Scedric 157079cc0068Scedric bzero(&trans, sizeof(trans)); 157179cc0068Scedric trans.rs_num = rs_num; 157279cc0068Scedric if (strlcpy(trans.anchor, anchor, 1573d9ad7941Sdhartmei sizeof(trans.anchor)) >= sizeof(trans.anchor)) 157479cc0068Scedric errx(1, "pfctl_add_trans: strlcpy"); 157579cc0068Scedric 157679cc0068Scedric return pfr_buf_add(buf, &trans); 157779cc0068Scedric } 157879cc0068Scedric 157979cc0068Scedric u_int32_t 1580d9ad7941Sdhartmei pfctl_get_ticket(struct pfr_buffer *buf, int rs_num, const char *anchor) 158179cc0068Scedric { 158279cc0068Scedric struct pfioc_trans_e *p; 158379cc0068Scedric 158479cc0068Scedric PFRB_FOREACH(p, buf) 1585d9ad7941Sdhartmei if (rs_num == p->rs_num && !strcmp(anchor, p->anchor)) 158679cc0068Scedric return (p->ticket); 158722dee42fShenning errx(1, "pfctl_get_ticket: assertion failed"); 158879cc0068Scedric } 158979cc0068Scedric 159079cc0068Scedric int 15913060c195Shenning pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from) 159279cc0068Scedric { 159379cc0068Scedric struct pfioc_trans trans; 159479cc0068Scedric 159579cc0068Scedric bzero(&trans, sizeof(trans)); 159679cc0068Scedric trans.size = buf->pfrb_size - from; 159779cc0068Scedric trans.esize = sizeof(struct pfioc_trans_e); 159879cc0068Scedric trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from; 159979cc0068Scedric return ioctl(dev, cmd, &trans); 160079cc0068Scedric } 1601