1*6c3582faShenning /* $OpenBSD: pfctl_parser.c,v 1.220 2005/10/13 13:27:06 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> 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; 485a1973c63Ssturm char buf[PF_MD5_DIGEST_LENGTH * 2 + 1]; 486010eb8d3Smpf static const char hex[] = "0123456789abcdef"; 48799a73934Sderaadt 488c474e331Shenning runtime = time(NULL) - s->since; 4895191b30fScedric running = s->running ? "Enabled" : "Disabled"; 490c474e331Shenning 4915191b30fScedric if (s->since) { 492d85e4ad6Sdhartmei unsigned sec, min, hrs, day = runtime; 493d85e4ad6Sdhartmei 494d85e4ad6Sdhartmei sec = day % 60; 495d85e4ad6Sdhartmei day /= 60; 496d85e4ad6Sdhartmei min = day % 60; 497d85e4ad6Sdhartmei day /= 60; 498d85e4ad6Sdhartmei hrs = day % 24; 499d85e4ad6Sdhartmei day /= 24; 500c474e331Shenning snprintf(statline, sizeof(statline), 5015191b30fScedric "Status: %s for %u days %.2u:%.2u:%.2u", 5025191b30fScedric running, day, hrs, min, sec); 503d85e4ad6Sdhartmei } else 5045191b30fScedric snprintf(statline, sizeof(statline), "Status: %s", running); 505c97b4ee1Shenning printf("%-44s", statline); 506ae58c8acSdhartmei switch (s->debug) { 507a1d6f6e2Shenning case PF_DEBUG_NONE: 508c97b4ee1Shenning printf("%15s\n\n", "Debug: None"); 509ae58c8acSdhartmei break; 510a1d6f6e2Shenning case PF_DEBUG_URGENT: 511c97b4ee1Shenning printf("%15s\n\n", "Debug: Urgent"); 512ae58c8acSdhartmei break; 513a1d6f6e2Shenning case PF_DEBUG_MISC: 514c97b4ee1Shenning printf("%15s\n\n", "Debug: Misc"); 515ae58c8acSdhartmei break; 516a1d6f6e2Shenning case PF_DEBUG_NOISY: 517a1d6f6e2Shenning printf("%15s\n\n", "Debug: Loud"); 518a1d6f6e2Shenning break; 519ae58c8acSdhartmei } 520f6e85b8dSmcbride 521f6e85b8dSmcbride if (opts & PF_OPT_VERBOSE) { 522010eb8d3Smpf printf("Hostid: 0x%08x\n", ntohl(s->hostid)); 523010eb8d3Smpf 524a1973c63Ssturm for (i = 0; i < PF_MD5_DIGEST_LENGTH; i++) { 525010eb8d3Smpf buf[i + i] = hex[s->pf_chksum[i] >> 4]; 526010eb8d3Smpf buf[i + i + 1] = hex[s->pf_chksum[i] & 0x0f]; 527010eb8d3Smpf } 528010eb8d3Smpf buf[i + i] = '\0'; 529010eb8d3Smpf printf("Checksum: 0x%s\n\n", buf); 530f6e85b8dSmcbride } 531010eb8d3Smpf 532c474e331Shenning if (s->ifname[0] != 0) { 533c474e331Shenning printf("Interface Stats for %-16s %5s %16s\n", 534c474e331Shenning s->ifname, "IPv4", "IPv6"); 535c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes In", 536ef22e615Sdhartmei (unsigned long long)s->bcounters[0][0], 537ef22e615Sdhartmei (unsigned long long)s->bcounters[1][0]); 538c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes Out", 539ef22e615Sdhartmei (unsigned long long)s->bcounters[0][1], 540ef22e615Sdhartmei (unsigned long long)s->bcounters[1][1]); 541c474e331Shenning printf(" Packets In\n"); 542c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 543ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_PASS], 544ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_PASS]); 545c474e331Shenning printf(" %-23s %14llu %16llu\n", "Blocked", 546ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_DROP], 547ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_DROP]); 548c474e331Shenning printf(" Packets Out\n"); 549c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 550ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_PASS], 551ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_PASS]); 552c474e331Shenning printf(" %-23s %14llu %16llu\n\n", "Blocked", 553ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_DROP], 554ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_DROP]); 555c474e331Shenning } 556c474e331Shenning printf("%-27s %14s %16s\n", "State Table", "Total", "Rate"); 557c474e331Shenning printf(" %-25s %14u %14s\n", "current entries", s->states, ""); 558c474e331Shenning for (i = 0; i < FCNT_MAX; i++) { 559ea4ec064Sitojun printf(" %-25s %14llu ", pf_fcounters[i], 560ea4ec064Sitojun (unsigned long long)s->fcounters[i]); 561c474e331Shenning if (runtime > 0) 562c474e331Shenning printf("%14.1f/s\n", 563c474e331Shenning (double)s->fcounters[i] / (double)runtime); 564c474e331Shenning else 565c474e331Shenning printf("%14s\n", ""); 566c474e331Shenning } 567fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 568fd777407Smcbride printf("Source Tracking Table\n"); 569fd777407Smcbride printf(" %-25s %14u %14s\n", "current entries", 570fd777407Smcbride s->src_nodes, ""); 571fd777407Smcbride for (i = 0; i < SCNT_MAX; i++) { 572fd777407Smcbride printf(" %-25s %14lld ", pf_scounters[i], 573fd777407Smcbride s->scounters[i]); 574fd777407Smcbride if (runtime > 0) 575fd777407Smcbride printf("%14.1f/s\n", 576fd777407Smcbride (double)s->scounters[i] / (double)runtime); 577fd777407Smcbride else 578fd777407Smcbride printf("%14s\n", ""); 579fd777407Smcbride } 580fd777407Smcbride } 58199a73934Sderaadt printf("Counters\n"); 582c474e331Shenning for (i = 0; i < PFRES_MAX; i++) { 583ea4ec064Sitojun printf(" %-25s %14llu ", pf_reasons[i], 584ea4ec064Sitojun (unsigned long long)s->counters[i]); 585c474e331Shenning if (runtime > 0) 586c474e331Shenning printf("%14.1f/s\n", 587c474e331Shenning (double)s->counters[i] / (double)runtime); 588c474e331Shenning else 589c474e331Shenning printf("%14s\n", ""); 590c474e331Shenning } 5916b640f62Smcbride if (opts & PF_OPT_VERBOSE) { 5926b640f62Smcbride printf("Limit Counters\n"); 5936b640f62Smcbride for (i = 0; i < LCNT_MAX; i++) { 5946b640f62Smcbride printf(" %-25s %14lld ", pf_lcounters[i], 5956b640f62Smcbride s->lcounters[i]); 5966b640f62Smcbride if (runtime > 0) 5976b640f62Smcbride printf("%14.1f/s\n", 5986b640f62Smcbride (double)s->lcounters[i] / (double)runtime); 5996b640f62Smcbride else 6006b640f62Smcbride printf("%14s\n", ""); 6016b640f62Smcbride } 6026b640f62Smcbride } 60314a9b182Skjell } 60414a9b182Skjell 60514a9b182Skjell void 606fd777407Smcbride print_src_node(struct pf_src_node *sn, int opts) 607fd777407Smcbride { 608fd777407Smcbride struct pf_addr_wrap aw; 609fd777407Smcbride int min, sec; 610fd777407Smcbride 611fd777407Smcbride memset(&aw, 0, sizeof(aw)); 612fd777407Smcbride if (sn->af == AF_INET) 613fd777407Smcbride aw.v.a.mask.addr32[0] = 0xffffffff; 614fd777407Smcbride else 615fd777407Smcbride memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask)); 616fd777407Smcbride 617fd777407Smcbride aw.v.a.addr = sn->addr; 618fd777407Smcbride print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 619fd777407Smcbride printf(" -> "); 620fd777407Smcbride aw.v.a.addr = sn->raddr; 621fd777407Smcbride print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 6226b640f62Smcbride printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states, 6236b640f62Smcbride sn->conn, sn->conn_rate.count / 1000, 6246b640f62Smcbride (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds); 625fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 626fd777407Smcbride sec = sn->creation % 60; 627fd777407Smcbride sn->creation /= 60; 628fd777407Smcbride min = sn->creation % 60; 629fd777407Smcbride sn->creation /= 60; 630fd777407Smcbride printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec); 631fd777407Smcbride if (sn->states == 0) { 632fd777407Smcbride sec = sn->expire % 60; 633fd777407Smcbride sn->expire /= 60; 634fd777407Smcbride min = sn->expire % 60; 635fd777407Smcbride sn->expire /= 60; 636fd777407Smcbride printf(", expires in %.2u:%.2u:%.2u", 637fd777407Smcbride sn->expire, min, sec); 638fd777407Smcbride } 63959b61cdeShenning printf(", %u pkts, %u bytes", sn->packets[0] + sn->packets[1], 64059b61cdeShenning sn->bytes[0] + sn->bytes[1]); 641fd777407Smcbride switch (sn->ruletype) { 642fd777407Smcbride case PF_NAT: 643fd777407Smcbride if (sn->rule.nr != -1) 644fd777407Smcbride printf(", nat rule %u", sn->rule.nr); 645fd777407Smcbride break; 646fd777407Smcbride case PF_RDR: 647fd777407Smcbride if (sn->rule.nr != -1) 648fd777407Smcbride printf(", rdr rule %u", sn->rule.nr); 649fd777407Smcbride break; 650fd777407Smcbride case PF_PASS: 651fd777407Smcbride if (sn->rule.nr != -1) 652fd777407Smcbride printf(", filter rule %u", sn->rule.nr); 653fd777407Smcbride break; 654fd777407Smcbride } 655fd777407Smcbride printf("\n"); 656fd777407Smcbride } 657fd777407Smcbride } 658fd777407Smcbride 659fd777407Smcbride void 660d9ad7941Sdhartmei print_rule(struct pf_rule *r, const char *anchor_call, int verbose) 66114a9b182Skjell { 6620e8bc214Saaron static const char *actiontypes[] = { "pass", "block", "scrub", 6630e8bc214Saaron "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr" }; 6641173271aScedric static const char *anchortypes[] = { "anchor", "anchor", "anchor", 6650e8bc214Saaron "anchor", "nat-anchor", "nat-anchor", "binat-anchor", 6660e8bc214Saaron "binat-anchor", "rdr-anchor", "rdr-anchor" }; 667cc5f0329Sdhartmei int i, opts; 668cc5f0329Sdhartmei 66974dc4fddShenning if (verbose) 67078baf774Sdhartmei printf("@%d ", r->nr); 6711173271aScedric if (r->action > PF_NORDR) 6721173271aScedric printf("action(%d)", r->action); 673d9ad7941Sdhartmei else if (anchor_call[0]) 674e77e5dc4Sjaredy printf("%s \"%s\"", anchortypes[r->action], 675e77e5dc4Sjaredy anchor_call); 676fde34e86Shenning else { 6771173271aScedric printf("%s", actiontypes[r->action]); 678fde34e86Shenning if (r->natpass) 679fde34e86Shenning printf(" pass"); 680fde34e86Shenning } 6811173271aScedric if (r->action == PF_DROP) { 6828a87542aShenning if (r->rule_flag & PFRULE_RETURN) 6838a87542aShenning printf(" return"); 6848a87542aShenning else if (r->rule_flag & PFRULE_RETURNRST) { 6851f77cc8aSpb if (!r->return_ttl) 68614a9b182Skjell printf(" return-rst"); 6871f77cc8aSpb else 6881f77cc8aSpb printf(" return-rst(ttl %d)", r->return_ttl); 689328b2decShenning } else if (r->rule_flag & PFRULE_RETURNICMP) { 690328b2decShenning const struct icmpcodeent *ic, *ic6; 691b996d042Sdhartmei 692b996d042Sdhartmei ic = geticmpcodebynumber(r->return_icmp >> 8, 693328b2decShenning r->return_icmp & 255, AF_INET); 694328b2decShenning ic6 = geticmpcodebynumber(r->return_icmp6 >> 8, 695328b2decShenning r->return_icmp6 & 255, AF_INET6); 696d14c53d7Swilfried 697328b2decShenning switch (r->af) { 698328b2decShenning case AF_INET: 699328b2decShenning printf(" return-icmp"); 700d14c53d7Swilfried if (ic == NULL) 701d14c53d7Swilfried printf("(%u)", r->return_icmp & 255); 702b996d042Sdhartmei else 703328b2decShenning printf("(%s)", ic->name); 704328b2decShenning break; 705328b2decShenning case AF_INET6: 706328b2decShenning printf(" return-icmp6"); 707328b2decShenning if (ic6 == NULL) 708328b2decShenning printf("(%u)", r->return_icmp6 & 255); 709328b2decShenning else 710328b2decShenning printf("(%s)", ic6->name); 711328b2decShenning break; 712328b2decShenning default: 713328b2decShenning printf(" return-icmp"); 714328b2decShenning if (ic == NULL) 715328b2decShenning printf("(%u, ", r->return_icmp & 255); 716328b2decShenning else 717328b2decShenning printf("(%s, ", ic->name); 718328b2decShenning if (ic6 == NULL) 719328b2decShenning printf("%u)", r->return_icmp6 & 255); 720328b2decShenning else 721328b2decShenning printf("%s)", ic6->name); 722328b2decShenning break; 723328b2decShenning } 724acf2444cShenning } else 725acf2444cShenning printf(" drop"); 7261173271aScedric } 7277189e280Sdhartmei if (r->direction == PF_IN) 72814a9b182Skjell printf(" in"); 7297189e280Sdhartmei else if (r->direction == PF_OUT) 73014a9b182Skjell printf(" out"); 731a46dc179Sdhartmei if (r->log) { 732a46dc179Sdhartmei printf(" log"); 7331cb19346Sdhartmei if (r->log & ~PF_LOG) { 7341cb19346Sdhartmei int count = 0; 7351cb19346Sdhartmei 736a46dc179Sdhartmei printf(" ("); 7371cb19346Sdhartmei if (r->log & PF_LOG_ALL) 7381cb19346Sdhartmei printf("%sall", count++ ? ", " : ""); 739a46dc179Sdhartmei if (r->log & PF_LOG_SOCKET_LOOKUP) 7401cb19346Sdhartmei printf("%suser", count++ ? ", " : ""); 741a46dc179Sdhartmei printf(")"); 742a46dc179Sdhartmei } 743a46dc179Sdhartmei } 74414a9b182Skjell if (r->quick) 74514a9b182Skjell printf(" quick"); 7467d0c9138Shenning if (r->ifname[0]) { 7477d0c9138Shenning if (r->ifnot) 7487d0c9138Shenning printf(" on ! %s", r->ifname); 7497d0c9138Shenning else 75014a9b182Skjell printf(" on %s", r->ifname); 7517d0c9138Shenning } 752cb3a4e31Sjasoni if (r->rt) { 753cb3a4e31Sjasoni if (r->rt == PF_ROUTETO) 754cb3a4e31Sjasoni printf(" route-to"); 755fa1cdd09Sdhartmei else if (r->rt == PF_REPLYTO) 756fa1cdd09Sdhartmei printf(" reply-to"); 757cb3a4e31Sjasoni else if (r->rt == PF_DUPTO) 758cb3a4e31Sjasoni printf(" dup-to"); 759cb3a4e31Sjasoni else if (r->rt == PF_FASTROUTE) 760cb3a4e31Sjasoni printf(" fastroute"); 761790504a6Sdhartmei if (r->rt != PF_FASTROUTE) { 762790504a6Sdhartmei printf(" "); 7631df6a140Scedric print_pool(&r->rpool, 0, 0, r->af, PF_PASS); 764790504a6Sdhartmei } 765cb3a4e31Sjasoni } 76630620b12Sfrantzen if (r->af) { 76730620b12Sfrantzen if (r->af == AF_INET) 76830620b12Sfrantzen printf(" inet"); 76930620b12Sfrantzen else 77030620b12Sfrantzen printf(" inet6"); 77130620b12Sfrantzen } 77214a9b182Skjell if (r->proto) { 773e4ebe044Shenning struct protoent *p; 774ed99c291Sderaadt 775e4ebe044Shenning if ((p = getprotobynumber(r->proto)) != NULL) 77614a9b182Skjell printf(" proto %s", p->p_name); 77714a9b182Skjell else 77814a9b182Skjell printf(" proto %u", r->proto); 77914a9b182Skjell } 78064b4b616Sfrantzen print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto, 78164b4b616Sfrantzen verbose); 782c16ab608Sdhartmei if (r->uid.op) 7831173271aScedric print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user", 7841173271aScedric UID_MAX); 785c16ab608Sdhartmei if (r->gid.op) 7861173271aScedric print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group", 7871173271aScedric GID_MAX); 78814a9b182Skjell if (r->flags || r->flagset) { 78914a9b182Skjell printf(" flags "); 79014a9b182Skjell print_flags(r->flags); 79114a9b182Skjell printf("/"); 79214a9b182Skjell print_flags(r->flagset); 79314a9b182Skjell } 794082ebc44Swilfried if (r->type) { 795b49ca6bbShenning const struct icmptypeent *it; 796082ebc44Swilfried 797b49ca6bbShenning it = geticmptypebynumber(r->type-1, r->af); 798d14c53d7Swilfried if (r->af != AF_INET6) 799d14c53d7Swilfried printf(" icmp-type"); 800082ebc44Swilfried else 801d0cb3502Smcbride printf(" icmp6-type"); 802b49ca6bbShenning if (it != NULL) 803b49ca6bbShenning printf(" %s", it->name); 804d14c53d7Swilfried else 805d14c53d7Swilfried printf(" %u", r->type-1); 806082ebc44Swilfried if (r->code) { 807b49ca6bbShenning const struct icmpcodeent *ic; 808082ebc44Swilfried 809b49ca6bbShenning ic = geticmpcodebynumber(r->type-1, r->code-1, r->af); 810b49ca6bbShenning if (ic != NULL) 811b49ca6bbShenning printf(" code %s", ic->name); 812082ebc44Swilfried else 81314a9b182Skjell printf(" code %u", r->code-1); 814082ebc44Swilfried } 815082ebc44Swilfried } 816e4cbe364Sdhartmei if (r->tos) 817e4cbe364Sdhartmei printf(" tos 0x%2.2x", r->tos); 818b96c47abSfrantzen if (r->keep_state == PF_STATE_NORMAL) 81914a9b182Skjell printf(" keep state"); 820b96c47abSfrantzen else if (r->keep_state == PF_STATE_MODULATE) 821b96c47abSfrantzen printf(" modulate state"); 82252e0438eSdhartmei else if (r->keep_state == PF_STATE_SYNPROXY) 82352e0438eSdhartmei printf(" synproxy state"); 82438425613Scedric if (r->prob) { 82538425613Scedric char buf[20]; 82638425613Scedric 82738425613Scedric snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0)); 82838425613Scedric for (i = strlen(buf)-1; i > 0; i--) { 82938425613Scedric if (buf[i] == '0') 83038425613Scedric buf[i] = '\0'; 83138425613Scedric else { 83238425613Scedric if (buf[i] == '.') 83338425613Scedric buf[i] = '\0'; 83438425613Scedric break; 83538425613Scedric } 83638425613Scedric } 83738425613Scedric printf(" probability %s%%", buf); 83838425613Scedric } 839cc5f0329Sdhartmei opts = 0; 840fd777407Smcbride if (r->max_states || r->max_src_nodes || r->max_src_states) 841cc5f0329Sdhartmei opts = 1; 842af80fa86Smcbride if (r->rule_flag & PFRULE_NOSYNC) 843af80fa86Smcbride opts = 1; 844fd777407Smcbride if (r->rule_flag & PFRULE_SRCTRACK) 845fd777407Smcbride opts = 1; 846c1f13696Shenning if (r->rule_flag & PFRULE_IFBOUND) 847ec359bd5Scedric opts = 1; 848cc5f0329Sdhartmei for (i = 0; !opts && i < PFTM_MAX; ++i) 849cc5f0329Sdhartmei if (r->timeout[i]) 850cc5f0329Sdhartmei opts = 1; 851cc5f0329Sdhartmei if (opts) { 852cc5f0329Sdhartmei printf(" ("); 853cc5f0329Sdhartmei if (r->max_states) { 854cc5f0329Sdhartmei printf("max %u", r->max_states); 855cc5f0329Sdhartmei opts = 0; 856cc5f0329Sdhartmei } 857af80fa86Smcbride if (r->rule_flag & PFRULE_NOSYNC) { 858af80fa86Smcbride if (!opts) 859af80fa86Smcbride printf(", "); 860af80fa86Smcbride printf("no-sync"); 861af80fa86Smcbride opts = 0; 862af80fa86Smcbride } 863fd777407Smcbride if (r->rule_flag & PFRULE_SRCTRACK) { 864fd777407Smcbride if (!opts) 865fd777407Smcbride printf(", "); 866fd777407Smcbride printf("source-track"); 867fd777407Smcbride if (r->rule_flag & PFRULE_RULESRCTRACK) 868fd777407Smcbride printf(" rule"); 869fd777407Smcbride else 870fd777407Smcbride printf(" global"); 871fd777407Smcbride opts = 0; 872fd777407Smcbride } 873fd777407Smcbride if (r->max_src_states) { 874fd777407Smcbride if (!opts) 875fd777407Smcbride printf(", "); 876fd777407Smcbride printf("max-src-states %u", r->max_src_states); 877fd777407Smcbride opts = 0; 878fd777407Smcbride } 8796b640f62Smcbride if (r->max_src_conn) { 8806b640f62Smcbride if (!opts) 8816b640f62Smcbride printf(", "); 8826b640f62Smcbride printf("max-src-conn %u", r->max_src_conn); 8836b640f62Smcbride opts = 0; 8846b640f62Smcbride } 8856b640f62Smcbride if (r->max_src_conn_rate.limit) { 8866b640f62Smcbride if (!opts) 8876b640f62Smcbride printf(", "); 8886b640f62Smcbride printf("max-src-conn-rate %u/%u", 8896b640f62Smcbride r->max_src_conn_rate.limit, 8906b640f62Smcbride r->max_src_conn_rate.seconds); 8916b640f62Smcbride opts = 0; 8926b640f62Smcbride } 893fd777407Smcbride if (r->max_src_nodes) { 894fd777407Smcbride if (!opts) 895fd777407Smcbride printf(", "); 896fd777407Smcbride printf("max-src-nodes %u", r->max_src_nodes); 897fd777407Smcbride opts = 0; 898fd777407Smcbride } 8996b640f62Smcbride if (r->overload_tblname[0]) { 9006b640f62Smcbride if (!opts) 9016b640f62Smcbride printf(", "); 9026b640f62Smcbride printf("overload <%s>", r->overload_tblname); 9031e320a53Sdhartmei if (r->flush) 9046b640f62Smcbride printf(" flush"); 9051e320a53Sdhartmei if (r->flush & PF_FLUSH_GLOBAL) 9061e320a53Sdhartmei printf(" global"); 9076b640f62Smcbride } 908ec359bd5Scedric if (r->rule_flag & PFRULE_IFBOUND) { 909ec359bd5Scedric if (!opts) 910ec359bd5Scedric printf(", "); 911ec359bd5Scedric printf("if-bound"); 912ec359bd5Scedric opts = 0; 913ec359bd5Scedric } 914cc5f0329Sdhartmei for (i = 0; i < PFTM_MAX; ++i) 915cc5f0329Sdhartmei if (r->timeout[i]) { 916ae233f99Sdhartmei int j; 917ae233f99Sdhartmei 918cc5f0329Sdhartmei if (!opts) 919cc5f0329Sdhartmei printf(", "); 920cc5f0329Sdhartmei opts = 0; 921ae233f99Sdhartmei for (j = 0; j < sizeof(pf_timeouts) / 922ae233f99Sdhartmei sizeof(pf_timeouts[0]); ++j) 923ae233f99Sdhartmei if (pf_timeouts[j].timeout == i) 924ae233f99Sdhartmei break; 925ae233f99Sdhartmei printf("%s %u", j == PFTM_MAX ? "inv.timeout" : 926ae233f99Sdhartmei pf_timeouts[j].name, r->timeout[i]); 927cc5f0329Sdhartmei } 928cc5f0329Sdhartmei printf(")"); 929cc5f0329Sdhartmei } 9306673dee2Sdhartmei if (r->rule_flag & PFRULE_FRAGMENT) 9316673dee2Sdhartmei printf(" fragment"); 93267d2a440Sprovos if (r->rule_flag & PFRULE_NODF) 93367d2a440Sprovos printf(" no-df"); 934edbe3066Sdhartmei if (r->rule_flag & PFRULE_RANDOMID) 935edbe3066Sdhartmei printf(" random-id"); 936e258bfd4Sprovos if (r->min_ttl) 93734c76dcbSprovos printf(" min-ttl %d", r->min_ttl); 938cfa91859Sjasoni if (r->max_mss) 939cfa91859Sjasoni printf(" max-mss %d", r->max_mss); 940f48d62b3Sdhartmei if (r->allow_opts) 941f48d62b3Sdhartmei printf(" allow-opts"); 942b02af636Sfrantzen if (r->action == PF_SCRUB) { 9432b95ca55Sfrantzen if (r->rule_flag & PFRULE_REASSEMBLE_TCP) 9442b95ca55Sfrantzen printf(" reassemble tcp"); 9452b95ca55Sfrantzen 946b02af636Sfrantzen if (r->rule_flag & PFRULE_FRAGDROP) 947b02af636Sfrantzen printf(" fragment drop-ovl"); 948b02af636Sfrantzen else if (r->rule_flag & PFRULE_FRAGCROP) 949b02af636Sfrantzen printf(" fragment crop"); 950b02af636Sfrantzen else 951b02af636Sfrantzen printf(" fragment reassemble"); 952b02af636Sfrantzen } 953455ef0c1Sdhartmei if (r->label[0]) 954ff45dfa8Scamield printf(" label \"%s\"", r->label); 955f98324c6Shenning if (r->qname[0] && r->pqname[0]) 956f98324c6Shenning printf(" queue(%s, %s)", r->qname, r->pqname); 957f98324c6Shenning else if (r->qname[0]) 95878e1d2a6Shenning printf(" queue %s", r->qname); 9598aecb81aShenning if (r->tagname[0]) 9608aecb81aShenning printf(" tag %s", r->tagname); 96136369899Shenning if (r->match_tagname[0]) { 96236369899Shenning if (r->match_tag_not) 96336369899Shenning printf(" !"); 9640a5f7f2fShenning printf(" tagged %s", r->match_tagname); 96536369899Shenning } 966d9ad7941Sdhartmei if (!anchor_call[0] && (r->action == PF_NAT || 967d0aca2f2Shenning r->action == PF_BINAT || r->action == PF_RDR)) { 968d0aca2f2Shenning printf(" -> "); 969d0aca2f2Shenning print_pool(&r->rpool, r->rpool.proxy_port[0], 970d0aca2f2Shenning r->rpool.proxy_port[1], r->af, r->action); 971d0aca2f2Shenning } 97214a9b182Skjell printf("\n"); 97314a9b182Skjell } 97414a9b182Skjell 9755b6c447dScedric void 9765b6c447dScedric print_tabledef(const char *name, int flags, int addrs, 9775b6c447dScedric struct node_tinithead *nodes) 9785b6c447dScedric { 9795b6c447dScedric struct node_tinit *ti, *nti; 9805b6c447dScedric struct node_host *h; 9815b6c447dScedric 9825b6c447dScedric printf("table <%s>", name); 9835b6c447dScedric if (flags & PFR_TFLAG_CONST) 9845b6c447dScedric printf(" const"); 9855b6c447dScedric if (flags & PFR_TFLAG_PERSIST) 9865b6c447dScedric printf(" persist"); 9875b6c447dScedric SIMPLEQ_FOREACH(ti, nodes, entries) { 9885b6c447dScedric if (ti->file) { 9895b6c447dScedric printf(" file \"%s\"", ti->file); 9905b6c447dScedric continue; 9915b6c447dScedric } 9925b6c447dScedric printf(" {"); 9935b6c447dScedric for (;;) { 9945b6c447dScedric for (h = ti->host; h != NULL; h = h->next) { 9955b6c447dScedric printf(h->not ? " !" : " "); 9965b6c447dScedric print_addr(&h->addr, h->af, 0); 9975b6c447dScedric } 9985b6c447dScedric nti = SIMPLEQ_NEXT(ti, entries); 9995b6c447dScedric if (nti != NULL && nti->file == NULL) 10005b6c447dScedric ti = nti; /* merge lists */ 10015b6c447dScedric else 10025b6c447dScedric break; 10035b6c447dScedric } 10045b6c447dScedric printf(" }"); 10055b6c447dScedric } 10065b6c447dScedric if (addrs && SIMPLEQ_EMPTY(nodes)) 10075b6c447dScedric printf(" { }"); 10085b6c447dScedric printf("\n"); 10095b6c447dScedric } 10105b6c447dScedric 10111f8f21bdSmillert int 1012ff352a37Smarkus parse_flags(char *s) 101314a9b182Skjell { 1014ff352a37Smarkus char *p, *q; 101514a9b182Skjell u_int8_t f = 0; 101681a15e5dSderaadt 1017ff352a37Smarkus for (p = s; *p; p++) { 1018ff352a37Smarkus if ((q = strchr(tcpflags, *p)) == NULL) 1019ff352a37Smarkus return -1; 1020ff352a37Smarkus else 1021ff352a37Smarkus f |= 1 << (q - tcpflags); 102214a9b182Skjell } 1023bc795af0Shugh return (f ? f : PF_TH_ALL); 102414a9b182Skjell } 102594e9410bShenning 102694e9410bShenning void 102794e9410bShenning set_ipmask(struct node_host *h, u_int8_t b) 102894e9410bShenning { 102994e9410bShenning struct pf_addr *m, *n; 103094e9410bShenning int i, j = 0; 103194e9410bShenning 103294e9410bShenning m = &h->addr.v.a.mask; 1033ab648bf6Sfrantzen memset(m, 0, sizeof(*m)); 103494e9410bShenning 103594e9410bShenning while (b >= 32) { 103694e9410bShenning m->addr32[j++] = 0xffffffff; 103794e9410bShenning b -= 32; 103894e9410bShenning } 103994e9410bShenning for (i = 31; i > 31-b; --i) 104094e9410bShenning m->addr32[j] |= (1 << i); 104194e9410bShenning if (b) 104294e9410bShenning m->addr32[j] = htonl(m->addr32[j]); 104394e9410bShenning 104494e9410bShenning /* Mask off bits of the address that will never be used. */ 104594e9410bShenning n = &h->addr.v.a.addr; 1046ff626af1Shenning if (h->addr.type == PF_ADDR_ADDRMASK) 104794e9410bShenning for (i = 0; i < 4; i++) 104894e9410bShenning n->addr32[i] = n->addr32[i] & m->addr32[i]; 104994e9410bShenning } 105094e9410bShenning 105152f4a4a4Shenning int 105252f4a4a4Shenning check_netmask(struct node_host *h, sa_family_t af) 105352f4a4a4Shenning { 105452f4a4a4Shenning struct node_host *n = NULL; 105552f4a4a4Shenning struct pf_addr *m; 105652f4a4a4Shenning 105752f4a4a4Shenning for (n = h; n != NULL; n = n->next) { 105875d911b5Scedric if (h->addr.type == PF_ADDR_TABLE) 105975d911b5Scedric continue; 106052f4a4a4Shenning m = &h->addr.v.a.mask; 106152f4a4a4Shenning /* fix up netmask for dynaddr */ 106252f4a4a4Shenning if (af == AF_INET && h->addr.type == PF_ADDR_DYNIFTL && 106352f4a4a4Shenning unmask(m, AF_INET6) > 32) 106452f4a4a4Shenning set_ipmask(n, 32); 106552f4a4a4Shenning /* netmasks > 32 bit are invalid on v4 */ 106652f4a4a4Shenning if (af == AF_INET && 106752f4a4a4Shenning (m->addr32[1] || m->addr32[2] || m->addr32[3])) { 106852f4a4a4Shenning fprintf(stderr, "netmask %u invalid for IPv4 address\n", 106952f4a4a4Shenning unmask(m, AF_INET6)); 107052f4a4a4Shenning return (1); 107152f4a4a4Shenning } 107252f4a4a4Shenning } 107352f4a4a4Shenning return (0); 107452f4a4a4Shenning } 107552f4a4a4Shenning 107694e9410bShenning /* interface lookup routines */ 107794e9410bShenning 107894e9410bShenning struct node_host *iftab; 107994e9410bShenning 108094e9410bShenning void 108194e9410bShenning ifa_load(void) 108294e9410bShenning { 108394e9410bShenning struct ifaddrs *ifap, *ifa; 108494e9410bShenning struct node_host *n = NULL, *h = NULL; 108594e9410bShenning 108694e9410bShenning if (getifaddrs(&ifap) < 0) 108794e9410bShenning err(1, "getifaddrs"); 108894e9410bShenning 108994e9410bShenning for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 109094e9410bShenning if (!(ifa->ifa_addr->sa_family == AF_INET || 109194e9410bShenning ifa->ifa_addr->sa_family == AF_INET6 || 109294e9410bShenning ifa->ifa_addr->sa_family == AF_LINK)) 109394e9410bShenning continue; 109494e9410bShenning n = calloc(1, sizeof(struct node_host)); 109594e9410bShenning if (n == NULL) 109694e9410bShenning err(1, "address: calloc"); 109794e9410bShenning n->af = ifa->ifa_addr->sa_family; 109894e9410bShenning n->ifa_flags = ifa->ifa_flags; 109994e9410bShenning #ifdef __KAME__ 110094e9410bShenning if (n->af == AF_INET6 && 110194e9410bShenning IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *) 110294e9410bShenning ifa->ifa_addr)->sin6_addr) && 1103ab642153Shenning ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id == 1104ab642153Shenning 0) { 110594e9410bShenning struct sockaddr_in6 *sin6; 110694e9410bShenning 110794e9410bShenning sin6 = (struct sockaddr_in6 *)ifa->ifa_addr; 110894e9410bShenning sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 | 110994e9410bShenning sin6->sin6_addr.s6_addr[3]; 111094e9410bShenning sin6->sin6_addr.s6_addr[2] = 0; 111194e9410bShenning sin6->sin6_addr.s6_addr[3] = 0; 111294e9410bShenning } 111394e9410bShenning #endif 111494e9410bShenning n->ifindex = 0; 111594e9410bShenning if (n->af == AF_INET) { 111694e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in *) 111794e9410bShenning ifa->ifa_addr)->sin_addr.s_addr, 111894e9410bShenning sizeof(struct in_addr)); 111994e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in *) 112094e9410bShenning ifa->ifa_netmask)->sin_addr.s_addr, 112194e9410bShenning sizeof(struct in_addr)); 112294e9410bShenning if (ifa->ifa_broadaddr != NULL) 112394e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in *) 112494e9410bShenning ifa->ifa_broadaddr)->sin_addr.s_addr, 112594e9410bShenning sizeof(struct in_addr)); 1126ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1127ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in *) 1128ec359bd5Scedric ifa->ifa_dstaddr)->sin_addr.s_addr, 1129ec359bd5Scedric sizeof(struct in_addr)); 113094e9410bShenning } else if (n->af == AF_INET6) { 113194e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in6 *) 113294e9410bShenning ifa->ifa_addr)->sin6_addr.s6_addr, 113394e9410bShenning sizeof(struct in6_addr)); 113494e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in6 *) 113594e9410bShenning ifa->ifa_netmask)->sin6_addr.s6_addr, 113694e9410bShenning sizeof(struct in6_addr)); 113794e9410bShenning if (ifa->ifa_broadaddr != NULL) 113894e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in6 *) 113994e9410bShenning ifa->ifa_broadaddr)->sin6_addr.s6_addr, 114094e9410bShenning sizeof(struct in6_addr)); 1141ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1142ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in6 *) 1143ec359bd5Scedric ifa->ifa_dstaddr)->sin6_addr.s6_addr, 1144ec359bd5Scedric sizeof(struct in6_addr)); 114594e9410bShenning n->ifindex = ((struct sockaddr_in6 *) 114694e9410bShenning ifa->ifa_addr)->sin6_scope_id; 114794e9410bShenning } 114894e9410bShenning if ((n->ifname = strdup(ifa->ifa_name)) == NULL) 114994e9410bShenning err(1, "ifa_load: strdup"); 115094e9410bShenning n->next = NULL; 115194e9410bShenning n->tail = n; 115294e9410bShenning if (h == NULL) 115394e9410bShenning h = n; 115494e9410bShenning else { 115594e9410bShenning h->tail->next = n; 115694e9410bShenning h->tail = n; 115794e9410bShenning } 115894e9410bShenning } 1159ec359bd5Scedric 116094e9410bShenning iftab = h; 116194e9410bShenning freeifaddrs(ifap); 116294e9410bShenning } 116394e9410bShenning 116494e9410bShenning struct node_host * 1165*6c3582faShenning ifa_exists(const char *ifa_name) 116694e9410bShenning { 116794e9410bShenning struct node_host *n; 116894e9410bShenning 116994e9410bShenning if (iftab == NULL) 117094e9410bShenning ifa_load(); 117194e9410bShenning 117294e9410bShenning for (n = iftab; n; n = n->next) { 117394e9410bShenning if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ)) 117494e9410bShenning return (n); 117594e9410bShenning } 1176655a9f8aShenning 117794e9410bShenning return (NULL); 117894e9410bShenning } 117994e9410bShenning 118094e9410bShenning struct node_host * 1181ec359bd5Scedric ifa_lookup(const char *ifa_name, int flags) 118294e9410bShenning { 118394e9410bShenning struct node_host *p = NULL, *h = NULL, *n = NULL; 11847ad220f2Scedric int got4 = 0, got6 = 0; 1185ec359bd5Scedric const char *last_if = NULL; 118694e9410bShenning 118794e9410bShenning if (!strncmp(ifa_name, "self", IFNAMSIZ)) 11887ad220f2Scedric ifa_name = NULL; 118994e9410bShenning 119094e9410bShenning if (iftab == NULL) 119194e9410bShenning ifa_load(); 119294e9410bShenning 119394e9410bShenning for (p = iftab; p; p = p->next) { 11947ad220f2Scedric if (ifa_skip_if(ifa_name, p)) 119594e9410bShenning continue; 1196ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET) 119794e9410bShenning continue; 1198ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && 1199ec359bd5Scedric !(p->ifa_flags & IFF_BROADCAST)) 120094e9410bShenning continue; 1201ec359bd5Scedric if ((flags & PFI_AFLAG_PEER) && 1202ec359bd5Scedric !(p->ifa_flags & IFF_POINTOPOINT)) 1203ec359bd5Scedric continue; 1204ec359bd5Scedric if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0) 1205ec359bd5Scedric continue; 1206ec359bd5Scedric if (last_if == NULL || strcmp(last_if, p->ifname)) 1207ec359bd5Scedric got4 = got6 = 0; 1208ec359bd5Scedric last_if = p->ifname; 1209ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4) 1210ec359bd5Scedric continue; 1211ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6) 1212ec359bd5Scedric continue; 1213ec359bd5Scedric if (p->af == AF_INET) 1214ec359bd5Scedric got4 = 1; 1215ec359bd5Scedric else 1216ec359bd5Scedric got6 = 1; 121794e9410bShenning n = calloc(1, sizeof(struct node_host)); 121894e9410bShenning if (n == NULL) 121994e9410bShenning err(1, "address: calloc"); 122094e9410bShenning n->af = p->af; 1221ec359bd5Scedric if (flags & PFI_AFLAG_BROADCAST) 122294e9410bShenning memcpy(&n->addr.v.a.addr, &p->bcast, 122394e9410bShenning sizeof(struct pf_addr)); 1224ec359bd5Scedric else if (flags & PFI_AFLAG_PEER) 1225ec359bd5Scedric memcpy(&n->addr.v.a.addr, &p->peer, 1226ec359bd5Scedric sizeof(struct pf_addr)); 122794e9410bShenning else 122894e9410bShenning memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr, 122994e9410bShenning sizeof(struct pf_addr)); 1230ec359bd5Scedric if (flags & PFI_AFLAG_NETWORK) 123194e9410bShenning set_ipmask(n, unmask(&p->addr.v.a.mask, n->af)); 123294e9410bShenning else { 123394e9410bShenning if (n->af == AF_INET) { 123494e9410bShenning if (p->ifa_flags & IFF_LOOPBACK && 123594e9410bShenning p->ifa_flags & IFF_LINK1) 123694e9410bShenning memcpy(&n->addr.v.a.mask, 123794e9410bShenning &p->addr.v.a.mask, 123894e9410bShenning sizeof(struct pf_addr)); 123994e9410bShenning else 124094e9410bShenning set_ipmask(n, 32); 124194e9410bShenning } else 124294e9410bShenning set_ipmask(n, 128); 124394e9410bShenning } 124494e9410bShenning n->ifindex = p->ifindex; 124594e9410bShenning 124694e9410bShenning n->next = NULL; 124794e9410bShenning n->tail = n; 124894e9410bShenning if (h == NULL) 124994e9410bShenning h = n; 125094e9410bShenning else { 125194e9410bShenning h->tail->next = n; 125294e9410bShenning h->tail = n; 125394e9410bShenning } 125494e9410bShenning } 125594e9410bShenning return (h); 125694e9410bShenning } 125794e9410bShenning 12587ad220f2Scedric int 12597ad220f2Scedric ifa_skip_if(const char *filter, struct node_host *p) 12607ad220f2Scedric { 12617ad220f2Scedric int n; 12627ad220f2Scedric 12637ad220f2Scedric if (p->af != AF_INET && p->af != AF_INET6) 12647ad220f2Scedric return (1); 12657ad220f2Scedric if (filter == NULL || !*filter) 12667ad220f2Scedric return (0); 12677ad220f2Scedric if (!strcmp(p->ifname, filter)) 12687ad220f2Scedric return (0); /* exact match */ 12697ad220f2Scedric n = strlen(filter); 12707ad220f2Scedric if (n < 1 || n >= IFNAMSIZ) 12717ad220f2Scedric return (1); /* sanity check */ 12727ad220f2Scedric if (filter[n-1] >= '0' && filter[n-1] <= '9') 12737ad220f2Scedric return (1); /* only do exact match in that case */ 12747ad220f2Scedric if (strncmp(p->ifname, filter, n)) 12757ad220f2Scedric return (1); /* prefix doesn't match */ 12767ad220f2Scedric return (p->ifname[n] < '0' || p->ifname[n] > '9'); 12777ad220f2Scedric } 12787ad220f2Scedric 12797ad220f2Scedric 128094e9410bShenning struct node_host * 1281f23861c1Shenning host(const char *s) 128294e9410bShenning { 12832a6c1abaShenning struct node_host *h = NULL; 1284f23861c1Shenning int mask, v4mask, v6mask, cont = 1; 1285f23861c1Shenning char *p, *q, *ps; 128694e9410bShenning 128794e9410bShenning if ((p = strrchr(s, '/')) != NULL) { 128894e9410bShenning mask = strtol(p+1, &q, 0); 1289fecc9cd0Shenning if (!q || *q || mask > 128 || q == (p+1)) { 12903f76a180Sdhartmei fprintf(stderr, "invalid netmask '%s'\n", p); 129194e9410bShenning return (NULL); 129294e9410bShenning } 1293a81c851cShenning if ((ps = malloc(strlen(s) - strlen(p) + 1)) == NULL) 129494e9410bShenning err(1, "host: malloc"); 129594e9410bShenning strlcpy(ps, s, strlen(s) - strlen(p) + 1); 129694e9410bShenning v4mask = v6mask = mask; 129794e9410bShenning } else { 1298f23861c1Shenning if ((ps = strdup(s)) == NULL) 1299f23861c1Shenning err(1, "host: strdup"); 130094e9410bShenning v4mask = 32; 130194e9410bShenning v6mask = 128; 1302f23861c1Shenning mask = -1; 130394e9410bShenning } 130494e9410bShenning 13052a6c1abaShenning /* interface with this name exists? */ 13064a36d485Shenning if (cont && (h = host_if(ps, mask)) != NULL) 13072a6c1abaShenning cont = 0; 13082a6c1abaShenning 13092a6c1abaShenning /* IPv4 address? */ 1310f23861c1Shenning if (cont && (h = host_v4(s, mask)) != NULL) 13112a6c1abaShenning cont = 0; 13122a6c1abaShenning 13132a6c1abaShenning /* IPv6 address? */ 13142a6c1abaShenning if (cont && (h = host_v6(ps, v6mask)) != NULL) 13152a6c1abaShenning cont = 0; 13162a6c1abaShenning 13172a6c1abaShenning /* dns lookup */ 13182a6c1abaShenning if (cont && (h = host_dns(ps, v4mask, v6mask)) != NULL) 13192a6c1abaShenning cont = 0; 13202a6c1abaShenning free(ps); 13212a6c1abaShenning 13222a6c1abaShenning if (h == NULL || cont == 1) { 13232a6c1abaShenning fprintf(stderr, "no IP address found for %s\n", s); 13242a6c1abaShenning return (NULL); 13252a6c1abaShenning } 13262a6c1abaShenning return (h); 13272a6c1abaShenning } 13282a6c1abaShenning 13292a6c1abaShenning struct node_host * 1330f2370d27Shenning host_if(const char *s, int mask) 13312a6c1abaShenning { 13322a6c1abaShenning struct node_host *n, *h = NULL; 13334a36d485Shenning char *p, *ps; 1334ec359bd5Scedric int flags = 0; 13352a6c1abaShenning 1336ec359bd5Scedric if ((ps = strdup(s)) == NULL) 1337ec359bd5Scedric err(1, "host_if: strdup"); 1338ec359bd5Scedric while ((p = strrchr(ps, ':')) != NULL) { 13394a36d485Shenning if (!strcmp(p+1, "network")) 1340ec359bd5Scedric flags |= PFI_AFLAG_NETWORK; 1341ec359bd5Scedric else if (!strcmp(p+1, "broadcast")) 1342ec359bd5Scedric flags |= PFI_AFLAG_BROADCAST; 1343ec359bd5Scedric else if (!strcmp(p+1, "peer")) 1344ec359bd5Scedric flags |= PFI_AFLAG_PEER; 1345ec359bd5Scedric else if (!strcmp(p+1, "0")) 1346ec359bd5Scedric flags |= PFI_AFLAG_NOALIAS; 1347f8bc5305Shenning else { 1348f8bc5305Shenning free(ps); 1349ec359bd5Scedric return (NULL); 1350f8bc5305Shenning } 1351ec359bd5Scedric *p = '\0'; 1352ec359bd5Scedric } 1353ec359bd5Scedric if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */ 1354ec359bd5Scedric fprintf(stderr, "illegal combination of interface modifiers\n"); 1355f8bc5305Shenning free(ps); 1356ec359bd5Scedric return (NULL); 1357ec359bd5Scedric } 1358ec359bd5Scedric if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) { 13594a36d485Shenning fprintf(stderr, "network or broadcast lookup, but " 13604a36d485Shenning "extra netmask given\n"); 1361f8bc5305Shenning free(ps); 13624a36d485Shenning return (NULL); 13634a36d485Shenning } 1364*6c3582faShenning if (ifa_exists(ps) || !strncmp(ps, "self", IFNAMSIZ)) { 13652a6c1abaShenning /* interface with this name exists */ 1366ec359bd5Scedric h = ifa_lookup(ps, flags); 13672a6c1abaShenning for (n = h; n != NULL && mask > -1; n = n->next) 13682a6c1abaShenning set_ipmask(n, mask); 13692a6c1abaShenning } 13704a36d485Shenning 13714a36d485Shenning free(ps); 13722a6c1abaShenning return (h); 13732a6c1abaShenning } 13742a6c1abaShenning 13752a6c1abaShenning struct node_host * 1376383ebbbfShenning host_v4(const char *s, int mask) 13772a6c1abaShenning { 13782a6c1abaShenning struct node_host *h = NULL; 13792a6c1abaShenning struct in_addr ina; 138090fffbb7Shenning int bits = 32; 13812a6c1abaShenning 138294e9410bShenning memset(&ina, 0, sizeof(struct in_addr)); 138390fffbb7Shenning if (strrchr(s, '/') != NULL) { 138490fffbb7Shenning if ((bits = inet_net_pton(AF_INET, s, &ina, sizeof(ina))) == -1) 138590fffbb7Shenning return (NULL); 138690fffbb7Shenning } else { 138790fffbb7Shenning if (inet_pton(AF_INET, s, &ina) != 1) 138890fffbb7Shenning return (NULL); 138990fffbb7Shenning } 139090fffbb7Shenning 139194e9410bShenning h = calloc(1, sizeof(struct node_host)); 139294e9410bShenning if (h == NULL) 139394e9410bShenning err(1, "address: calloc"); 139494e9410bShenning h->ifname = NULL; 139594e9410bShenning h->af = AF_INET; 139694e9410bShenning h->addr.v.a.addr.addr32[0] = ina.s_addr; 139794e9410bShenning set_ipmask(h, bits); 139894e9410bShenning h->next = NULL; 139994e9410bShenning h->tail = h; 14002a6c1abaShenning 140194e9410bShenning return (h); 140294e9410bShenning } 14032a6c1abaShenning 14042a6c1abaShenning struct node_host * 1405f2370d27Shenning host_v6(const char *s, int mask) 14062a6c1abaShenning { 14072a6c1abaShenning struct addrinfo hints, *res; 14082a6c1abaShenning struct node_host *h = NULL; 140994e9410bShenning 141094e9410bShenning memset(&hints, 0, sizeof(hints)); 141194e9410bShenning hints.ai_family = AF_INET6; 141294e9410bShenning hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 141394e9410bShenning hints.ai_flags = AI_NUMERICHOST; 14142a6c1abaShenning if (getaddrinfo(s, "0", &hints, &res) == 0) { 14152a6c1abaShenning h = calloc(1, sizeof(struct node_host)); 14162a6c1abaShenning if (h == NULL) 141794e9410bShenning err(1, "address: calloc"); 14182a6c1abaShenning h->ifname = NULL; 14192a6c1abaShenning h->af = AF_INET6; 14202a6c1abaShenning memcpy(&h->addr.v.a.addr, 142194e9410bShenning &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr, 14222a6c1abaShenning sizeof(h->addr.v.a.addr)); 14232a6c1abaShenning h->ifindex = 14242a6c1abaShenning ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 14252a6c1abaShenning set_ipmask(h, mask); 142694e9410bShenning freeaddrinfo(res); 14272a6c1abaShenning h->next = NULL; 14282a6c1abaShenning h->tail = h; 142994e9410bShenning } 143094e9410bShenning 14312a6c1abaShenning return (h); 14322a6c1abaShenning } 14332a6c1abaShenning 14342a6c1abaShenning struct node_host * 1435f2370d27Shenning host_dns(const char *s, int v4mask, int v6mask) 14362a6c1abaShenning { 14372a6c1abaShenning struct addrinfo hints, *res0, *res; 14382a6c1abaShenning struct node_host *n, *h = NULL; 1439ec359bd5Scedric int error, noalias = 0; 1440ec359bd5Scedric int got4 = 0, got6 = 0; 1441ec359bd5Scedric char *p, *ps; 14422a6c1abaShenning 1443ec359bd5Scedric if ((ps = strdup(s)) == NULL) 144422dee42fShenning err(1, "host_dns: strdup"); 1445ec359bd5Scedric if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) { 1446ec359bd5Scedric noalias = 1; 1447ec359bd5Scedric *p = '\0'; 1448ec359bd5Scedric } 144994e9410bShenning memset(&hints, 0, sizeof(hints)); 145094e9410bShenning hints.ai_family = PF_UNSPEC; 145194e9410bShenning hints.ai_socktype = SOCK_STREAM; /* DUMMY */ 1452ec359bd5Scedric error = getaddrinfo(ps, NULL, &hints, &res0); 1453b4d8b6eeShenning if (error) { 1454b4d8b6eeShenning free(ps); 14552a6c1abaShenning return (h); 1456b4d8b6eeShenning } 14572a6c1abaShenning 145894e9410bShenning for (res = res0; res; res = res->ai_next) { 145994e9410bShenning if (res->ai_family != AF_INET && 146094e9410bShenning res->ai_family != AF_INET6) 146194e9410bShenning continue; 1462ec359bd5Scedric if (noalias) { 1463ec359bd5Scedric if (res->ai_family == AF_INET) { 1464ec359bd5Scedric if (got4) 1465ec359bd5Scedric continue; 1466ec359bd5Scedric got4 = 1; 1467ec359bd5Scedric } else { 1468ec359bd5Scedric if (got6) 1469ec359bd5Scedric continue; 1470ec359bd5Scedric got6 = 1; 1471ec359bd5Scedric } 1472ec359bd5Scedric } 147394e9410bShenning n = calloc(1, sizeof(struct node_host)); 147494e9410bShenning if (n == NULL) 14752a6c1abaShenning err(1, "host_dns: calloc"); 147694e9410bShenning n->ifname = NULL; 147794e9410bShenning n->af = res->ai_family; 147894e9410bShenning if (res->ai_family == AF_INET) { 147994e9410bShenning memcpy(&n->addr.v.a.addr, 14802a6c1abaShenning &((struct sockaddr_in *) 14812a6c1abaShenning res->ai_addr)->sin_addr.s_addr, 148294e9410bShenning sizeof(struct in_addr)); 148394e9410bShenning set_ipmask(n, v4mask); 148494e9410bShenning } else { 148594e9410bShenning memcpy(&n->addr.v.a.addr, 14862a6c1abaShenning &((struct sockaddr_in6 *) 14872a6c1abaShenning res->ai_addr)->sin6_addr.s6_addr, 148894e9410bShenning sizeof(struct in6_addr)); 148994e9410bShenning n->ifindex = 14902a6c1abaShenning ((struct sockaddr_in6 *) 14912a6c1abaShenning res->ai_addr)->sin6_scope_id; 149294e9410bShenning set_ipmask(n, v6mask); 149394e9410bShenning } 149494e9410bShenning n->next = NULL; 149594e9410bShenning n->tail = n; 149694e9410bShenning if (h == NULL) 149794e9410bShenning h = n; 149894e9410bShenning else { 149994e9410bShenning h->tail->next = n; 150094e9410bShenning h->tail = n; 150194e9410bShenning } 150294e9410bShenning } 150394e9410bShenning freeaddrinfo(res0); 1504ec359bd5Scedric free(ps); 150594e9410bShenning 150694e9410bShenning return (h); 150794e9410bShenning } 150842e05679Scedric 150942e05679Scedric /* 151042e05679Scedric * convert a hostname to a list of addresses and put them in the given buffer. 151142e05679Scedric * test: 151242e05679Scedric * if set to 1, only simple addresses are accepted (no netblock, no "!"). 151342e05679Scedric */ 151442e05679Scedric int 151542e05679Scedric append_addr(struct pfr_buffer *b, char *s, int test) 151642e05679Scedric { 15175b6c447dScedric char *r; 1518b88a8d5dScedric struct node_host *h, *n; 1519b88a8d5dScedric int rv, not = 0; 15205b6c447dScedric 15215b6c447dScedric for (r = s; *r == '!'; r++) 15225b6c447dScedric not = !not; 15235b6c447dScedric if ((n = host(r)) == NULL) { 15245b6c447dScedric errno = 0; 15255b6c447dScedric return (-1); 15265b6c447dScedric } 1527b88a8d5dScedric rv = append_addr_host(b, n, test, not); 1528b88a8d5dScedric do { 1529b88a8d5dScedric h = n; 1530b88a8d5dScedric n = n->next; 1531b88a8d5dScedric free(h); 1532b88a8d5dScedric } while (n != NULL); 1533b88a8d5dScedric return (rv); 153442e05679Scedric } 153542e05679Scedric 153642e05679Scedric /* 15375b6c447dScedric * same as previous function, but with a pre-parsed input and the ability 1538b88a8d5dScedric * to "negate" the result. Does not free the node_host list. 153942e05679Scedric * not: 154042e05679Scedric * setting it to 1 is equivalent to adding "!" in front of parameter s. 154142e05679Scedric */ 154242e05679Scedric int 15435b6c447dScedric append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not) 154442e05679Scedric { 154542e05679Scedric int bits; 154642e05679Scedric struct pfr_addr addr; 154742e05679Scedric 154842e05679Scedric do { 154942e05679Scedric bzero(&addr, sizeof(addr)); 15505b6c447dScedric addr.pfra_not = n->not ^ not; 155142e05679Scedric addr.pfra_af = n->af; 155242e05679Scedric addr.pfra_net = unmask(&n->addr.v.a.mask, n->af); 155342e05679Scedric switch (n->af) { 155442e05679Scedric case AF_INET: 155542e05679Scedric addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0]; 155642e05679Scedric bits = 32; 155742e05679Scedric break; 155842e05679Scedric case AF_INET6: 155942e05679Scedric memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6, 156042e05679Scedric sizeof(struct in6_addr)); 156142e05679Scedric bits = 128; 156242e05679Scedric break; 156342e05679Scedric default: 156442e05679Scedric errno = EINVAL; 156542e05679Scedric return (-1); 156642e05679Scedric } 156742e05679Scedric if ((test && (not || addr.pfra_net != bits)) || 156842e05679Scedric addr.pfra_net > bits) { 156942e05679Scedric errno = EINVAL; 157042e05679Scedric return (-1); 157142e05679Scedric } 157242e05679Scedric if (pfr_buf_add(b, &addr)) 157342e05679Scedric return (-1); 1574b88a8d5dScedric } while ((n = n->next) != NULL); 157542e05679Scedric 157642e05679Scedric return (0); 157742e05679Scedric } 157879cc0068Scedric 157979cc0068Scedric int 1580d9ad7941Sdhartmei pfctl_add_trans(struct pfr_buffer *buf, int rs_num, const char *anchor) 158179cc0068Scedric { 158279cc0068Scedric struct pfioc_trans_e trans; 158379cc0068Scedric 158479cc0068Scedric bzero(&trans, sizeof(trans)); 158579cc0068Scedric trans.rs_num = rs_num; 158679cc0068Scedric if (strlcpy(trans.anchor, anchor, 1587d9ad7941Sdhartmei sizeof(trans.anchor)) >= sizeof(trans.anchor)) 158879cc0068Scedric errx(1, "pfctl_add_trans: strlcpy"); 158979cc0068Scedric 159079cc0068Scedric return pfr_buf_add(buf, &trans); 159179cc0068Scedric } 159279cc0068Scedric 159379cc0068Scedric u_int32_t 1594d9ad7941Sdhartmei pfctl_get_ticket(struct pfr_buffer *buf, int rs_num, const char *anchor) 159579cc0068Scedric { 159679cc0068Scedric struct pfioc_trans_e *p; 159779cc0068Scedric 159879cc0068Scedric PFRB_FOREACH(p, buf) 1599d9ad7941Sdhartmei if (rs_num == p->rs_num && !strcmp(anchor, p->anchor)) 160079cc0068Scedric return (p->ticket); 160122dee42fShenning errx(1, "pfctl_get_ticket: assertion failed"); 160279cc0068Scedric } 160379cc0068Scedric 160479cc0068Scedric int 16053060c195Shenning pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from) 160679cc0068Scedric { 160779cc0068Scedric struct pfioc_trans trans; 160879cc0068Scedric 160979cc0068Scedric bzero(&trans, sizeof(trans)); 161079cc0068Scedric trans.size = buf->pfrb_size - from; 161179cc0068Scedric trans.esize = sizeof(struct pfioc_trans_e); 161279cc0068Scedric trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from; 161379cc0068Scedric return ioctl(dev, cmd, &trans); 161479cc0068Scedric } 1615