1*a2f57b9fSmcbride /* $OpenBSD: pfctl_parser.c,v 1.259 2010/01/12 16:21:24 mcbride 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> 572ff5b035Shenning #include <unistd.h> 5814a9b182Skjell 5914a9b182Skjell #include "pfctl_parser.h" 60eb824e11Sderaadt #include "pfctl.h" 6114a9b182Skjell 625d9ac2dcSdhartmei void print_op (u_int8_t, const char *, const char *); 63132c30ccShenning void print_port (u_int8_t, u_int16_t, u_int16_t, const char *); 641173271aScedric void print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned); 6581a15e5dSderaadt void print_flags (u_int8_t); 6664b4b616Sfrantzen void print_fromto(struct pf_rule_addr *, pf_osfp_t, 6764b4b616Sfrantzen struct pf_rule_addr *, u_int8_t, u_int8_t, int); 687ad220f2Scedric int ifa_skip_if(const char *filter, struct node_host *p); 6914a9b182Skjell 702ff5b035Shenning struct node_host *ifa_grouplookup(const char *, int); 71f2370d27Shenning struct node_host *host_if(const char *, int); 72383ebbbfShenning struct node_host *host_v4(const char *, int); 73f2370d27Shenning struct node_host *host_v6(const char *, int); 74f2370d27Shenning struct node_host *host_dns(const char *, int, int); 752a6c1abaShenning 76361e311cShenning const char *tcpflags = "FSRPAUEW"; 7714a9b182Skjell 787d27d81aSdhartmei static const struct icmptypeent icmp_type[] = { 79082ebc44Swilfried { "echoreq", ICMP_ECHO }, 80082ebc44Swilfried { "echorep", ICMP_ECHOREPLY }, 81082ebc44Swilfried { "unreach", ICMP_UNREACH }, 82082ebc44Swilfried { "squench", ICMP_SOURCEQUENCH }, 83082ebc44Swilfried { "redir", ICMP_REDIRECT }, 84082ebc44Swilfried { "althost", ICMP_ALTHOSTADDR }, 85082ebc44Swilfried { "routeradv", ICMP_ROUTERADVERT }, 86082ebc44Swilfried { "routersol", ICMP_ROUTERSOLICIT }, 87082ebc44Swilfried { "timex", ICMP_TIMXCEED }, 88082ebc44Swilfried { "paramprob", ICMP_PARAMPROB }, 89082ebc44Swilfried { "timereq", ICMP_TSTAMP }, 90082ebc44Swilfried { "timerep", ICMP_TSTAMPREPLY }, 91082ebc44Swilfried { "inforeq", ICMP_IREQ }, 92082ebc44Swilfried { "inforep", ICMP_IREQREPLY }, 93082ebc44Swilfried { "maskreq", ICMP_MASKREQ }, 9402cbcc9eSwilfried { "maskrep", ICMP_MASKREPLY }, 9502cbcc9eSwilfried { "trace", ICMP_TRACEROUTE }, 9602cbcc9eSwilfried { "dataconv", ICMP_DATACONVERR }, 9702cbcc9eSwilfried { "mobredir", ICMP_MOBILE_REDIRECT }, 9802cbcc9eSwilfried { "ipv6-where", ICMP_IPV6_WHEREAREYOU }, 9902cbcc9eSwilfried { "ipv6-here", ICMP_IPV6_IAMHERE }, 10002cbcc9eSwilfried { "mobregreq", ICMP_MOBILE_REGREQUEST }, 10102cbcc9eSwilfried { "mobregrep", ICMP_MOBILE_REGREPLY }, 10202cbcc9eSwilfried { "skip", ICMP_SKIP }, 10302cbcc9eSwilfried { "photuris", ICMP_PHOTURIS } 104082ebc44Swilfried }; 105082ebc44Swilfried 1067d27d81aSdhartmei static const struct icmptypeent icmp6_type[] = { 10730620b12Sfrantzen { "unreach", ICMP6_DST_UNREACH }, 10830620b12Sfrantzen { "toobig", ICMP6_PACKET_TOO_BIG }, 10930620b12Sfrantzen { "timex", ICMP6_TIME_EXCEEDED }, 11030620b12Sfrantzen { "paramprob", ICMP6_PARAM_PROB }, 11130620b12Sfrantzen { "echoreq", ICMP6_ECHO_REQUEST }, 11230620b12Sfrantzen { "echorep", ICMP6_ECHO_REPLY }, 11330620b12Sfrantzen { "groupqry", ICMP6_MEMBERSHIP_QUERY }, 11422a58e88Sitojun { "listqry", MLD_LISTENER_QUERY }, 11530620b12Sfrantzen { "grouprep", ICMP6_MEMBERSHIP_REPORT }, 11622a58e88Sitojun { "listenrep", MLD_LISTENER_REPORT }, 11730620b12Sfrantzen { "groupterm", ICMP6_MEMBERSHIP_REDUCTION }, 11822a58e88Sitojun { "listendone", MLD_LISTENER_DONE }, 11930620b12Sfrantzen { "routersol", ND_ROUTER_SOLICIT }, 12030620b12Sfrantzen { "routeradv", ND_ROUTER_ADVERT }, 12130620b12Sfrantzen { "neighbrsol", ND_NEIGHBOR_SOLICIT }, 12230620b12Sfrantzen { "neighbradv", ND_NEIGHBOR_ADVERT }, 12330620b12Sfrantzen { "redir", ND_REDIRECT }, 12430620b12Sfrantzen { "routrrenum", ICMP6_ROUTER_RENUMBERING }, 12530620b12Sfrantzen { "wrureq", ICMP6_WRUREQUEST }, 12630620b12Sfrantzen { "wrurep", ICMP6_WRUREPLY }, 12730620b12Sfrantzen { "fqdnreq", ICMP6_FQDN_QUERY }, 12830620b12Sfrantzen { "fqdnrep", ICMP6_FQDN_REPLY }, 12930620b12Sfrantzen { "niqry", ICMP6_NI_QUERY }, 13030620b12Sfrantzen { "nirep", ICMP6_NI_REPLY }, 13122a58e88Sitojun { "mtraceresp", MLD_MTRACE_RESP }, 13222a58e88Sitojun { "mtrace", MLD_MTRACE } 13330620b12Sfrantzen }; 13430620b12Sfrantzen 1357d27d81aSdhartmei static const struct icmpcodeent icmp_code[] = { 136082ebc44Swilfried { "net-unr", ICMP_UNREACH, ICMP_UNREACH_NET }, 137082ebc44Swilfried { "host-unr", ICMP_UNREACH, ICMP_UNREACH_HOST }, 138082ebc44Swilfried { "proto-unr", ICMP_UNREACH, ICMP_UNREACH_PROTOCOL }, 139082ebc44Swilfried { "port-unr", ICMP_UNREACH, ICMP_UNREACH_PORT }, 140082ebc44Swilfried { "needfrag", ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG }, 141082ebc44Swilfried { "srcfail", ICMP_UNREACH, ICMP_UNREACH_SRCFAIL }, 142082ebc44Swilfried { "net-unk", ICMP_UNREACH, ICMP_UNREACH_NET_UNKNOWN }, 143082ebc44Swilfried { "host-unk", ICMP_UNREACH, ICMP_UNREACH_HOST_UNKNOWN }, 144082ebc44Swilfried { "isolate", ICMP_UNREACH, ICMP_UNREACH_ISOLATED }, 145082ebc44Swilfried { "net-prohib", ICMP_UNREACH, ICMP_UNREACH_NET_PROHIB }, 146082ebc44Swilfried { "host-prohib", ICMP_UNREACH, ICMP_UNREACH_HOST_PROHIB }, 147082ebc44Swilfried { "net-tos", ICMP_UNREACH, ICMP_UNREACH_TOSNET }, 148082ebc44Swilfried { "host-tos", ICMP_UNREACH, ICMP_UNREACH_TOSHOST }, 149082ebc44Swilfried { "filter-prohib", ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB }, 150082ebc44Swilfried { "host-preced", ICMP_UNREACH, ICMP_UNREACH_HOST_PRECEDENCE }, 151082ebc44Swilfried { "cutoff-preced", ICMP_UNREACH, ICMP_UNREACH_PRECEDENCE_CUTOFF }, 152082ebc44Swilfried { "redir-net", ICMP_REDIRECT, ICMP_REDIRECT_NET }, 153082ebc44Swilfried { "redir-host", ICMP_REDIRECT, ICMP_REDIRECT_HOST }, 154082ebc44Swilfried { "redir-tos-net", ICMP_REDIRECT, ICMP_REDIRECT_TOSNET }, 155082ebc44Swilfried { "redir-tos-host", ICMP_REDIRECT, ICMP_REDIRECT_TOSHOST }, 15602cbcc9eSwilfried { "normal-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NORMAL }, 15702cbcc9eSwilfried { "common-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NOROUTE_COMMON }, 158082ebc44Swilfried { "transit", ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS }, 159082ebc44Swilfried { "reassemb", ICMP_TIMXCEED, ICMP_TIMXCEED_REASS }, 160082ebc44Swilfried { "badhead", ICMP_PARAMPROB, ICMP_PARAMPROB_ERRATPTR }, 161082ebc44Swilfried { "optmiss", ICMP_PARAMPROB, ICMP_PARAMPROB_OPTABSENT }, 16202cbcc9eSwilfried { "badlen", ICMP_PARAMPROB, ICMP_PARAMPROB_LENGTH }, 16302cbcc9eSwilfried { "unknown-ind", ICMP_PHOTURIS, ICMP_PHOTURIS_UNKNOWN_INDEX }, 16402cbcc9eSwilfried { "auth-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_AUTH_FAILED }, 16502cbcc9eSwilfried { "decrypt-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_DECRYPT_FAILED } 166082ebc44Swilfried }; 167082ebc44Swilfried 1687d27d81aSdhartmei static const struct icmpcodeent icmp6_code[] = { 1691d32ee3bSdhartmei { "admin-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN }, 1701d32ee3bSdhartmei { "noroute-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE }, 17130620b12Sfrantzen { "notnbr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOTNEIGHBOR }, 17230620b12Sfrantzen { "beyond-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_BEYONDSCOPE }, 17330620b12Sfrantzen { "addr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR }, 17430620b12Sfrantzen { "port-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT }, 17530620b12Sfrantzen { "transit", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_TRANSIT }, 17630620b12Sfrantzen { "reassemb", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_REASSEMBLY }, 17730620b12Sfrantzen { "badhead", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER }, 17830620b12Sfrantzen { "nxthdr", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_NEXTHEADER }, 17930620b12Sfrantzen { "redironlink", ND_REDIRECT, ND_REDIRECT_ONLINK }, 18030620b12Sfrantzen { "redirrouter", ND_REDIRECT, ND_REDIRECT_ROUTER } 18130620b12Sfrantzen }; 18230620b12Sfrantzen 183d593fb91Sdrahn const struct pf_timeout pf_timeouts[] = { 184d593fb91Sdrahn { "tcp.first", PFTM_TCP_FIRST_PACKET }, 185d593fb91Sdrahn { "tcp.opening", PFTM_TCP_OPENING }, 186d593fb91Sdrahn { "tcp.established", PFTM_TCP_ESTABLISHED }, 187d593fb91Sdrahn { "tcp.closing", PFTM_TCP_CLOSING }, 188d593fb91Sdrahn { "tcp.finwait", PFTM_TCP_FIN_WAIT }, 189d593fb91Sdrahn { "tcp.closed", PFTM_TCP_CLOSED }, 19098d12bd8Sfrantzen { "tcp.tsdiff", PFTM_TS_DIFF }, 191d593fb91Sdrahn { "udp.first", PFTM_UDP_FIRST_PACKET }, 192d593fb91Sdrahn { "udp.single", PFTM_UDP_SINGLE }, 193d593fb91Sdrahn { "udp.multiple", PFTM_UDP_MULTIPLE }, 194d593fb91Sdrahn { "icmp.first", PFTM_ICMP_FIRST_PACKET }, 195d593fb91Sdrahn { "icmp.error", PFTM_ICMP_ERROR_REPLY }, 196d593fb91Sdrahn { "other.first", PFTM_OTHER_FIRST_PACKET }, 197d593fb91Sdrahn { "other.single", PFTM_OTHER_SINGLE }, 198d593fb91Sdrahn { "other.multiple", PFTM_OTHER_MULTIPLE }, 199d593fb91Sdrahn { "frag", PFTM_FRAG }, 200d593fb91Sdrahn { "interval", PFTM_INTERVAL }, 201a85e74a5Sdhartmei { "adaptive.start", PFTM_ADAPTIVE_START }, 202a85e74a5Sdhartmei { "adaptive.end", PFTM_ADAPTIVE_END }, 203fd777407Smcbride { "src.track", PFTM_SRC_NODE }, 204d593fb91Sdrahn { NULL, 0 } 205d593fb91Sdrahn }; 206d593fb91Sdrahn 2077d27d81aSdhartmei const struct icmptypeent * 208bb9f691eSmcbride geticmptypebynumber(u_int8_t type, sa_family_t af) 209082ebc44Swilfried { 210ed99c291Sderaadt unsigned int i; 211082ebc44Swilfried 212d14c53d7Swilfried if (af != AF_INET6) { 213e4ebe044Shenning for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0])); 214e4ebe044Shenning i++) { 215082ebc44Swilfried if (type == icmp_type[i].type) 216082ebc44Swilfried return (&icmp_type[i]); 217082ebc44Swilfried } 21830620b12Sfrantzen } else { 21930620b12Sfrantzen for (i=0; i < (sizeof (icmp6_type) / 22030620b12Sfrantzen sizeof(icmp6_type[0])); i++) { 22130620b12Sfrantzen if (type == icmp6_type[i].type) 22230620b12Sfrantzen return (&icmp6_type[i]); 22330620b12Sfrantzen } 22430620b12Sfrantzen } 22530620b12Sfrantzen return (NULL); 226082ebc44Swilfried } 227082ebc44Swilfried 2287d27d81aSdhartmei const struct icmptypeent * 229bb9f691eSmcbride geticmptypebyname(char *w, sa_family_t af) 230082ebc44Swilfried { 231ed99c291Sderaadt unsigned int i; 232082ebc44Swilfried 233d14c53d7Swilfried if (af != AF_INET6) { 234e4ebe044Shenning for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0])); 235e4ebe044Shenning i++) { 236082ebc44Swilfried if (!strcmp(w, icmp_type[i].name)) 237082ebc44Swilfried return (&icmp_type[i]); 238082ebc44Swilfried } 23930620b12Sfrantzen } else { 24030620b12Sfrantzen for (i=0; i < (sizeof (icmp6_type) / 24130620b12Sfrantzen sizeof(icmp6_type[0])); i++) { 24230620b12Sfrantzen if (!strcmp(w, icmp6_type[i].name)) 24330620b12Sfrantzen return (&icmp6_type[i]); 24430620b12Sfrantzen } 24530620b12Sfrantzen } 24630620b12Sfrantzen return (NULL); 247082ebc44Swilfried } 248082ebc44Swilfried 2497d27d81aSdhartmei const struct icmpcodeent * 250bb9f691eSmcbride geticmpcodebynumber(u_int8_t type, u_int8_t code, sa_family_t af) 251082ebc44Swilfried { 252ed99c291Sderaadt unsigned int i; 253082ebc44Swilfried 254d14c53d7Swilfried if (af != AF_INET6) { 255e4ebe044Shenning for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0])); 256e4ebe044Shenning i++) { 25730620b12Sfrantzen if (type == icmp_code[i].type && 25830620b12Sfrantzen code == icmp_code[i].code) 259082ebc44Swilfried return (&icmp_code[i]); 260082ebc44Swilfried } 26130620b12Sfrantzen } else { 26230620b12Sfrantzen for (i=0; i < (sizeof (icmp6_code) / 26330620b12Sfrantzen sizeof(icmp6_code[0])); i++) { 26430620b12Sfrantzen if (type == icmp6_code[i].type && 26530620b12Sfrantzen code == icmp6_code[i].code) 26630620b12Sfrantzen return (&icmp6_code[i]); 26730620b12Sfrantzen } 26830620b12Sfrantzen } 26930620b12Sfrantzen return (NULL); 270082ebc44Swilfried } 271082ebc44Swilfried 2727d27d81aSdhartmei const struct icmpcodeent * 273bb9f691eSmcbride geticmpcodebyname(u_long type, char *w, sa_family_t af) 274082ebc44Swilfried { 275ed99c291Sderaadt unsigned int i; 276082ebc44Swilfried 277d14c53d7Swilfried if (af != AF_INET6) { 278e4ebe044Shenning for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0])); 279e4ebe044Shenning i++) { 28030620b12Sfrantzen if (type == icmp_code[i].type && 28130620b12Sfrantzen !strcmp(w, icmp_code[i].name)) 282082ebc44Swilfried return (&icmp_code[i]); 283082ebc44Swilfried } 28430620b12Sfrantzen } else { 28530620b12Sfrantzen for (i=0; i < (sizeof (icmp6_code) / 28630620b12Sfrantzen sizeof(icmp6_code[0])); i++) { 28730620b12Sfrantzen if (type == icmp6_code[i].type && 28830620b12Sfrantzen !strcmp(w, icmp6_code[i].name)) 28930620b12Sfrantzen return (&icmp6_code[i]); 29030620b12Sfrantzen } 29130620b12Sfrantzen } 29230620b12Sfrantzen return (NULL); 29330620b12Sfrantzen } 29430620b12Sfrantzen 29581a15e5dSderaadt void 2965d9ac2dcSdhartmei print_op(u_int8_t op, const char *a1, const char *a2) 2975d9ac2dcSdhartmei { 2985d9ac2dcSdhartmei if (op == PF_OP_IRG) 2995d9ac2dcSdhartmei printf(" %s >< %s", a1, a2); 3005d9ac2dcSdhartmei else if (op == PF_OP_XRG) 3015d9ac2dcSdhartmei printf(" %s <> %s", a1, a2); 3021308506cShenning else if (op == PF_OP_EQ) 3035d9ac2dcSdhartmei printf(" = %s", a1); 3041308506cShenning else if (op == PF_OP_NE) 3055d9ac2dcSdhartmei printf(" != %s", a1); 3061308506cShenning else if (op == PF_OP_LT) 3075d9ac2dcSdhartmei printf(" < %s", a1); 3085d9ac2dcSdhartmei else if (op == PF_OP_LE) 3095d9ac2dcSdhartmei printf(" <= %s", a1); 3105d9ac2dcSdhartmei else if (op == PF_OP_GT) 3115d9ac2dcSdhartmei printf(" > %s", a1); 3125d9ac2dcSdhartmei else if (op == PF_OP_GE) 3135d9ac2dcSdhartmei printf(" >= %s", a1); 3148da4e377Smcbride else if (op == PF_OP_RRG) 3158da4e377Smcbride printf(" %s:%s", a1, a2); 3165d9ac2dcSdhartmei } 3175d9ac2dcSdhartmei 3185d9ac2dcSdhartmei void 319132c30ccShenning print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto) 32014a9b182Skjell { 321e31d21c9Sdhartmei char a1[6], a2[6]; 322e4ebe044Shenning struct servent *s; 32381a15e5dSderaadt 324e4ebe044Shenning s = getservbyport(p1, proto); 32514a9b182Skjell p1 = ntohs(p1); 32614a9b182Skjell p2 = ntohs(p2); 3275d9ac2dcSdhartmei snprintf(a1, sizeof(a1), "%u", p1); 3285d9ac2dcSdhartmei snprintf(a2, sizeof(a2), "%u", p2); 32914a9b182Skjell printf(" port"); 3305d9ac2dcSdhartmei if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE)) 3315d9ac2dcSdhartmei print_op(op, s->s_name, a2); 33214a9b182Skjell else 3335d9ac2dcSdhartmei print_op(op, a1, a2); 3345d9ac2dcSdhartmei } 3355d9ac2dcSdhartmei 3365d9ac2dcSdhartmei void 3371173271aScedric print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax) 3385d9ac2dcSdhartmei { 339d8fcd2dfSdhartmei char a1[11], a2[11]; 3405d9ac2dcSdhartmei 3415d9ac2dcSdhartmei snprintf(a1, sizeof(a1), "%u", u1); 3425d9ac2dcSdhartmei snprintf(a2, sizeof(a2), "%u", u2); 3435d9ac2dcSdhartmei printf(" %s", t); 3441173271aScedric if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE)) 345c16ab608Sdhartmei print_op(op, "unknown", a2); 346c16ab608Sdhartmei else 347c16ab608Sdhartmei print_op(op, a1, a2); 348c16ab608Sdhartmei } 349c16ab608Sdhartmei 350c16ab608Sdhartmei void 35114a9b182Skjell print_flags(u_int8_t f) 35214a9b182Skjell { 35314a9b182Skjell int i; 35481a15e5dSderaadt 355bc795af0Shugh for (i = 0; tcpflags[i]; ++i) 35614a9b182Skjell if (f & (1 << i)) 35714a9b182Skjell printf("%c", tcpflags[i]); 35814a9b182Skjell } 35914a9b182Skjell 36014a9b182Skjell void 36164b4b616Sfrantzen print_fromto(struct pf_rule_addr *src, pf_osfp_t osfp, struct pf_rule_addr *dst, 36244f5ed0aScedric sa_family_t af, u_int8_t proto, int verbose) 36315e76891Sdhartmei { 36464b4b616Sfrantzen char buf[PF_OSFP_LEN*3]; 3651173271aScedric if (src->addr.type == PF_ADDR_ADDRMASK && 3661173271aScedric dst->addr.type == PF_ADDR_ADDRMASK && 367bcf142a4Sdhartmei PF_AZERO(&src->addr.v.a.addr, AF_INET6) && 368bcf142a4Sdhartmei PF_AZERO(&src->addr.v.a.mask, AF_INET6) && 3691173271aScedric PF_AZERO(&dst->addr.v.a.addr, AF_INET6) && 3701173271aScedric PF_AZERO(&dst->addr.v.a.mask, AF_INET6) && 371d4008a34Sdhartmei !src->neg && !dst->neg && 37264b4b616Sfrantzen !src->port_op && !dst->port_op && 37364b4b616Sfrantzen osfp == PF_OSFP_ANY) 37415e76891Sdhartmei printf(" all"); 37515e76891Sdhartmei else { 37615e76891Sdhartmei printf(" from "); 377d4008a34Sdhartmei if (src->neg) 37815e76891Sdhartmei printf("! "); 37944f5ed0aScedric print_addr(&src->addr, af, verbose); 38015e76891Sdhartmei if (src->port_op) 38115e76891Sdhartmei print_port(src->port_op, src->port[0], 38215e76891Sdhartmei src->port[1], 38315e76891Sdhartmei proto == IPPROTO_TCP ? "tcp" : "udp"); 38464b4b616Sfrantzen if (osfp != PF_OSFP_ANY) 38564b4b616Sfrantzen printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf, 38664b4b616Sfrantzen sizeof(buf))); 38715e76891Sdhartmei 38815e76891Sdhartmei printf(" to "); 389d4008a34Sdhartmei if (dst->neg) 39015e76891Sdhartmei printf("! "); 39144f5ed0aScedric print_addr(&dst->addr, af, verbose); 39215e76891Sdhartmei if (dst->port_op) 39315e76891Sdhartmei print_port(dst->port_op, dst->port[0], 39415e76891Sdhartmei dst->port[1], 39515e76891Sdhartmei proto == IPPROTO_TCP ? "tcp" : "udp"); 39615e76891Sdhartmei } 39715e76891Sdhartmei } 39815e76891Sdhartmei 39915e76891Sdhartmei void 400e0c302d0Smcbride print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2, 40136754172Smcbride sa_family_t af, int id, int verbose) 4023a44df3cSmcbride { 40336754172Smcbride if (pool->ifname[0]) { 404*a2f57b9fSmcbride if (!PF_AZERO(&pool->addr.v.a.addr, af)) { 40536754172Smcbride print_addr(&pool->addr, af, verbose); 406*a2f57b9fSmcbride printf("@"); 407*a2f57b9fSmcbride } 408*a2f57b9fSmcbride printf("%s", pool->ifname); 40936754172Smcbride } else 41036754172Smcbride print_addr(&pool->addr, af, verbose); 411e0c302d0Smcbride switch (id) { 412e8793aa9Smcbride case PF_NAT: 4139782f7a2Smcbride if ((p1 != PF_NAT_PROXY_PORT_LOW || 4149782f7a2Smcbride p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) { 415e0c302d0Smcbride if (p1 == p2) 416e0c302d0Smcbride printf(" port %u", p1); 417e0c302d0Smcbride else 418e0c302d0Smcbride printf(" port %u:%u", p1, p2); 419e0c302d0Smcbride } 420e0c302d0Smcbride break; 421e8793aa9Smcbride case PF_RDR: 422e0c302d0Smcbride if (p1) { 4238da4e377Smcbride printf(" port %u", p1); 4248da4e377Smcbride if (p2 && (p2 != p1)) 4258da4e377Smcbride printf(":%u", p2); 426e0c302d0Smcbride } 427e0c302d0Smcbride break; 428e0c302d0Smcbride default: 429e0c302d0Smcbride break; 430e0c302d0Smcbride } 431e0c302d0Smcbride switch (pool->opts & PF_POOL_TYPEMASK) { 432e0c302d0Smcbride case PF_POOL_NONE: 433e0c302d0Smcbride break; 434e0c302d0Smcbride case PF_POOL_BITMASK: 435e0c302d0Smcbride printf(" bitmask"); 436e0c302d0Smcbride break; 437e0c302d0Smcbride case PF_POOL_RANDOM: 438e0c302d0Smcbride printf(" random"); 439e0c302d0Smcbride break; 440e0c302d0Smcbride case PF_POOL_SRCHASH: 4410436fa02Smcbride printf(" source-hash 0x%08x%08x%08x%08x", 442e0c302d0Smcbride pool->key.key32[0], pool->key.key32[1], 443e0c302d0Smcbride pool->key.key32[2], pool->key.key32[3]); 444e0c302d0Smcbride break; 445e0c302d0Smcbride case PF_POOL_ROUNDROBIN: 446e0c302d0Smcbride printf(" round-robin"); 447e0c302d0Smcbride break; 448e0c302d0Smcbride } 449fd777407Smcbride if (pool->opts & PF_POOL_STICKYADDR) 450fd777407Smcbride printf(" sticky-address"); 4519782f7a2Smcbride if (id == PF_NAT && p1 == 0 && p2 == 0) 452e0c302d0Smcbride printf(" static-port"); 4533a44df3cSmcbride } 4543a44df3cSmcbride 455132c30ccShenning const char *pf_reasons[PFRES_MAX+1] = PFRES_NAMES; 4566b640f62Smcbride const char *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES; 457132c30ccShenning const char *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES; 458fd777407Smcbride const char *pf_scounters[FCNT_MAX+1] = FCNT_NAMES; 45999a73934Sderaadt 46014a9b182Skjell void 461fd777407Smcbride print_status(struct pf_status *s, int opts) 46214a9b182Skjell { 4635191b30fScedric char statline[80], *running; 464c474e331Shenning time_t runtime; 46599a73934Sderaadt int i; 466a1973c63Ssturm char buf[PF_MD5_DIGEST_LENGTH * 2 + 1]; 467010eb8d3Smpf static const char hex[] = "0123456789abcdef"; 46899a73934Sderaadt 469c474e331Shenning runtime = time(NULL) - s->since; 4705191b30fScedric running = s->running ? "Enabled" : "Disabled"; 471c474e331Shenning 4725191b30fScedric if (s->since) { 473db93f2f1Sderaadt unsigned int sec, min, hrs, day = runtime; 474d85e4ad6Sdhartmei 475d85e4ad6Sdhartmei sec = day % 60; 476d85e4ad6Sdhartmei day /= 60; 477d85e4ad6Sdhartmei min = day % 60; 478d85e4ad6Sdhartmei day /= 60; 479d85e4ad6Sdhartmei hrs = day % 24; 480d85e4ad6Sdhartmei day /= 24; 481c474e331Shenning snprintf(statline, sizeof(statline), 4825191b30fScedric "Status: %s for %u days %.2u:%.2u:%.2u", 4835191b30fScedric running, day, hrs, min, sec); 484d85e4ad6Sdhartmei } else 4855191b30fScedric snprintf(statline, sizeof(statline), "Status: %s", running); 486c97b4ee1Shenning printf("%-44s", statline); 487ae58c8acSdhartmei switch (s->debug) { 488a1d6f6e2Shenning case PF_DEBUG_NONE: 489c97b4ee1Shenning printf("%15s\n\n", "Debug: None"); 490ae58c8acSdhartmei break; 491a1d6f6e2Shenning case PF_DEBUG_URGENT: 492c97b4ee1Shenning printf("%15s\n\n", "Debug: Urgent"); 493ae58c8acSdhartmei break; 494a1d6f6e2Shenning case PF_DEBUG_MISC: 495c97b4ee1Shenning printf("%15s\n\n", "Debug: Misc"); 496ae58c8acSdhartmei break; 497a1d6f6e2Shenning case PF_DEBUG_NOISY: 498a1d6f6e2Shenning printf("%15s\n\n", "Debug: Loud"); 499a1d6f6e2Shenning break; 500ae58c8acSdhartmei } 501f6e85b8dSmcbride 502f6e85b8dSmcbride if (opts & PF_OPT_VERBOSE) { 503010eb8d3Smpf printf("Hostid: 0x%08x\n", ntohl(s->hostid)); 504010eb8d3Smpf 505a1973c63Ssturm for (i = 0; i < PF_MD5_DIGEST_LENGTH; i++) { 506010eb8d3Smpf buf[i + i] = hex[s->pf_chksum[i] >> 4]; 507010eb8d3Smpf buf[i + i + 1] = hex[s->pf_chksum[i] & 0x0f]; 508010eb8d3Smpf } 509010eb8d3Smpf buf[i + i] = '\0'; 510010eb8d3Smpf printf("Checksum: 0x%s\n\n", buf); 511f6e85b8dSmcbride } 512010eb8d3Smpf 513c474e331Shenning if (s->ifname[0] != 0) { 514c474e331Shenning printf("Interface Stats for %-16s %5s %16s\n", 515c474e331Shenning s->ifname, "IPv4", "IPv6"); 516c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes In", 517ef22e615Sdhartmei (unsigned long long)s->bcounters[0][0], 518ef22e615Sdhartmei (unsigned long long)s->bcounters[1][0]); 519c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes Out", 520ef22e615Sdhartmei (unsigned long long)s->bcounters[0][1], 521ef22e615Sdhartmei (unsigned long long)s->bcounters[1][1]); 522c474e331Shenning printf(" Packets In\n"); 523c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 524ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_PASS], 525ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_PASS]); 526c474e331Shenning printf(" %-23s %14llu %16llu\n", "Blocked", 527ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_DROP], 528ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_DROP]); 529c474e331Shenning printf(" Packets Out\n"); 530c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 531ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_PASS], 532ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_PASS]); 533c474e331Shenning printf(" %-23s %14llu %16llu\n\n", "Blocked", 534ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_DROP], 535ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_DROP]); 536c474e331Shenning } 537c474e331Shenning printf("%-27s %14s %16s\n", "State Table", "Total", "Rate"); 538c474e331Shenning printf(" %-25s %14u %14s\n", "current entries", s->states, ""); 539c474e331Shenning for (i = 0; i < FCNT_MAX; i++) { 540ea4ec064Sitojun printf(" %-25s %14llu ", pf_fcounters[i], 541ea4ec064Sitojun (unsigned long long)s->fcounters[i]); 542c474e331Shenning if (runtime > 0) 543c474e331Shenning printf("%14.1f/s\n", 544c474e331Shenning (double)s->fcounters[i] / (double)runtime); 545c474e331Shenning else 546c474e331Shenning printf("%14s\n", ""); 547c474e331Shenning } 548fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 549fd777407Smcbride printf("Source Tracking Table\n"); 550fd777407Smcbride printf(" %-25s %14u %14s\n", "current entries", 551fd777407Smcbride s->src_nodes, ""); 552fd777407Smcbride for (i = 0; i < SCNT_MAX; i++) { 553fd777407Smcbride printf(" %-25s %14lld ", pf_scounters[i], 554fd777407Smcbride s->scounters[i]); 555fd777407Smcbride if (runtime > 0) 556fd777407Smcbride printf("%14.1f/s\n", 557fd777407Smcbride (double)s->scounters[i] / (double)runtime); 558fd777407Smcbride else 559fd777407Smcbride printf("%14s\n", ""); 560fd777407Smcbride } 561fd777407Smcbride } 56299a73934Sderaadt printf("Counters\n"); 563c474e331Shenning for (i = 0; i < PFRES_MAX; i++) { 564ea4ec064Sitojun printf(" %-25s %14llu ", pf_reasons[i], 565ea4ec064Sitojun (unsigned long long)s->counters[i]); 566c474e331Shenning if (runtime > 0) 567c474e331Shenning printf("%14.1f/s\n", 568c474e331Shenning (double)s->counters[i] / (double)runtime); 569c474e331Shenning else 570c474e331Shenning printf("%14s\n", ""); 571c474e331Shenning } 5726b640f62Smcbride if (opts & PF_OPT_VERBOSE) { 5736b640f62Smcbride printf("Limit Counters\n"); 5746b640f62Smcbride for (i = 0; i < LCNT_MAX; i++) { 5756b640f62Smcbride printf(" %-25s %14lld ", pf_lcounters[i], 5766b640f62Smcbride s->lcounters[i]); 5776b640f62Smcbride if (runtime > 0) 5786b640f62Smcbride printf("%14.1f/s\n", 5796b640f62Smcbride (double)s->lcounters[i] / (double)runtime); 5806b640f62Smcbride else 5816b640f62Smcbride printf("%14s\n", ""); 5826b640f62Smcbride } 5836b640f62Smcbride } 58414a9b182Skjell } 58514a9b182Skjell 58614a9b182Skjell void 587fd777407Smcbride print_src_node(struct pf_src_node *sn, int opts) 588fd777407Smcbride { 589fd777407Smcbride struct pf_addr_wrap aw; 590fd777407Smcbride int min, sec; 591fd777407Smcbride 592fd777407Smcbride memset(&aw, 0, sizeof(aw)); 593fd777407Smcbride if (sn->af == AF_INET) 594fd777407Smcbride aw.v.a.mask.addr32[0] = 0xffffffff; 595fd777407Smcbride else 596fd777407Smcbride memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask)); 597fd777407Smcbride 598fd777407Smcbride aw.v.a.addr = sn->addr; 599fd777407Smcbride print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 600c3e2fff9Shenning 601c3e2fff9Shenning if (!PF_AZERO(&sn->raddr, sn->af)) { 602c3e2fff9Shenning if (sn->type == PF_SN_NAT) 603c3e2fff9Shenning printf(" nat-to "); 604c3e2fff9Shenning else if (sn->type == PF_SN_RDR) 605c3e2fff9Shenning printf(" rdr-to "); 606c3e2fff9Shenning else if (sn->type == PF_SN_ROUTE) 607c3e2fff9Shenning printf(" route-to "); 608c3e2fff9Shenning else 609c3e2fff9Shenning printf(" ??? (%u) ", sn->type); 610fd777407Smcbride aw.v.a.addr = sn->raddr; 611fd777407Smcbride print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 612c3e2fff9Shenning } 613c3e2fff9Shenning 6146b640f62Smcbride printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states, 6156b640f62Smcbride sn->conn, sn->conn_rate.count / 1000, 6166b640f62Smcbride (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds); 617fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 618fd777407Smcbride sec = sn->creation % 60; 619fd777407Smcbride sn->creation /= 60; 620fd777407Smcbride min = sn->creation % 60; 621fd777407Smcbride sn->creation /= 60; 622fd777407Smcbride printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec); 623fd777407Smcbride if (sn->states == 0) { 624fd777407Smcbride sec = sn->expire % 60; 625fd777407Smcbride sn->expire /= 60; 626fd777407Smcbride min = sn->expire % 60; 627fd777407Smcbride sn->expire /= 60; 628fd777407Smcbride printf(", expires in %.2u:%.2u:%.2u", 629fd777407Smcbride sn->expire, min, sec); 630fd777407Smcbride } 631b19e9e6fSmcbride printf(", %llu pkts, %llu bytes", 632b19e9e6fSmcbride sn->packets[0] + sn->packets[1], 63359b61cdeShenning sn->bytes[0] + sn->bytes[1]); 634fd777407Smcbride if (sn->rule.nr != -1) 635c3e2fff9Shenning printf(", rule %u", sn->rule.nr); 636fd777407Smcbride printf("\n"); 637fd777407Smcbride } 638fd777407Smcbride } 639fd777407Smcbride 640fd777407Smcbride void 641d9ad7941Sdhartmei print_rule(struct pf_rule *r, const char *anchor_call, int verbose) 64214a9b182Skjell { 6430e8bc214Saaron static const char *actiontypes[] = { "pass", "block", "scrub", 644e9953237Shenning "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr", 645e9953237Shenning "", "", "match"}; 6461173271aScedric static const char *anchortypes[] = { "anchor", "anchor", "anchor", 6470e8bc214Saaron "anchor", "nat-anchor", "nat-anchor", "binat-anchor", 6480e8bc214Saaron "binat-anchor", "rdr-anchor", "rdr-anchor" }; 649cc5f0329Sdhartmei int i, opts; 650cc5f0329Sdhartmei 65174dc4fddShenning if (verbose) 65278baf774Sdhartmei printf("@%d ", r->nr); 653e9953237Shenning if (r->action > PF_MATCH) 6541173271aScedric printf("action(%d)", r->action); 655305ca21dSmcbride else if (anchor_call[0]) { 656305ca21dSmcbride if (anchor_call[0] == '_') { 657305ca21dSmcbride printf("%s", anchortypes[r->action]); 658305ca21dSmcbride } else 659e77e5dc4Sjaredy printf("%s \"%s\"", anchortypes[r->action], 660e77e5dc4Sjaredy anchor_call); 661e151341fShenning } else 6621173271aScedric printf("%s", actiontypes[r->action]); 6631173271aScedric if (r->action == PF_DROP) { 6648a87542aShenning if (r->rule_flag & PFRULE_RETURN) 6658a87542aShenning printf(" return"); 6668a87542aShenning else if (r->rule_flag & PFRULE_RETURNRST) { 6671f77cc8aSpb if (!r->return_ttl) 66814a9b182Skjell printf(" return-rst"); 6691f77cc8aSpb else 6701f77cc8aSpb printf(" return-rst(ttl %d)", r->return_ttl); 671328b2decShenning } else if (r->rule_flag & PFRULE_RETURNICMP) { 672328b2decShenning const struct icmpcodeent *ic, *ic6; 673b996d042Sdhartmei 674b996d042Sdhartmei ic = geticmpcodebynumber(r->return_icmp >> 8, 675328b2decShenning r->return_icmp & 255, AF_INET); 676328b2decShenning ic6 = geticmpcodebynumber(r->return_icmp6 >> 8, 677328b2decShenning r->return_icmp6 & 255, AF_INET6); 678d14c53d7Swilfried 679328b2decShenning switch (r->af) { 680328b2decShenning case AF_INET: 681328b2decShenning printf(" return-icmp"); 682d14c53d7Swilfried if (ic == NULL) 683d14c53d7Swilfried printf("(%u)", r->return_icmp & 255); 684b996d042Sdhartmei else 685328b2decShenning printf("(%s)", ic->name); 686328b2decShenning break; 687328b2decShenning case AF_INET6: 688328b2decShenning printf(" return-icmp6"); 689328b2decShenning if (ic6 == NULL) 690328b2decShenning printf("(%u)", r->return_icmp6 & 255); 691328b2decShenning else 692328b2decShenning printf("(%s)", ic6->name); 693328b2decShenning break; 694328b2decShenning default: 695328b2decShenning printf(" return-icmp"); 696328b2decShenning if (ic == NULL) 697328b2decShenning printf("(%u, ", r->return_icmp & 255); 698328b2decShenning else 699328b2decShenning printf("(%s, ", ic->name); 700328b2decShenning if (ic6 == NULL) 701328b2decShenning printf("%u)", r->return_icmp6 & 255); 702328b2decShenning else 703328b2decShenning printf("%s)", ic6->name); 704328b2decShenning break; 705328b2decShenning } 706acf2444cShenning } else 707acf2444cShenning printf(" drop"); 7081173271aScedric } 7097189e280Sdhartmei if (r->direction == PF_IN) 71014a9b182Skjell printf(" in"); 7117189e280Sdhartmei else if (r->direction == PF_OUT) 71214a9b182Skjell printf(" out"); 713a46dc179Sdhartmei if (r->log) { 714a46dc179Sdhartmei printf(" log"); 715f565c2a8Shenning if (r->log & ~PF_LOG || r->logif) { 7161cb19346Sdhartmei int count = 0; 7171cb19346Sdhartmei 718a46dc179Sdhartmei printf(" ("); 7191cb19346Sdhartmei if (r->log & PF_LOG_ALL) 7201cb19346Sdhartmei printf("%sall", count++ ? ", " : ""); 721a46dc179Sdhartmei if (r->log & PF_LOG_SOCKET_LOOKUP) 7221cb19346Sdhartmei printf("%suser", count++ ? ", " : ""); 723f565c2a8Shenning if (r->logif) 724f565c2a8Shenning printf("%sto pflog%u", count++ ? ", " : "", 725f565c2a8Shenning r->logif); 726a46dc179Sdhartmei printf(")"); 727a46dc179Sdhartmei } 728a46dc179Sdhartmei } 72914a9b182Skjell if (r->quick) 73014a9b182Skjell printf(" quick"); 7317d0c9138Shenning if (r->ifname[0]) { 7327d0c9138Shenning if (r->ifnot) 7337d0c9138Shenning printf(" on ! %s", r->ifname); 7347d0c9138Shenning else 73514a9b182Skjell printf(" on %s", r->ifname); 7367d0c9138Shenning } 73730620b12Sfrantzen if (r->af) { 73830620b12Sfrantzen if (r->af == AF_INET) 73930620b12Sfrantzen printf(" inet"); 74030620b12Sfrantzen else 74130620b12Sfrantzen printf(" inet6"); 74230620b12Sfrantzen } 74314a9b182Skjell if (r->proto) { 744e4ebe044Shenning struct protoent *p; 745ed99c291Sderaadt 746e4ebe044Shenning if ((p = getprotobynumber(r->proto)) != NULL) 74714a9b182Skjell printf(" proto %s", p->p_name); 74814a9b182Skjell else 74914a9b182Skjell printf(" proto %u", r->proto); 75014a9b182Skjell } 75164b4b616Sfrantzen print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto, 75264b4b616Sfrantzen verbose); 75395b43208Sdlg if (r->rcv_ifname[0]) 75495b43208Sdlg printf(" received-on %s", r->rcv_ifname); 755c16ab608Sdhartmei if (r->uid.op) 7561173271aScedric print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user", 7571173271aScedric UID_MAX); 758c16ab608Sdhartmei if (r->gid.op) 7591173271aScedric print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group", 7601173271aScedric GID_MAX); 76114a9b182Skjell if (r->flags || r->flagset) { 76214a9b182Skjell printf(" flags "); 76314a9b182Skjell print_flags(r->flags); 76414a9b182Skjell printf("/"); 76514a9b182Skjell print_flags(r->flagset); 766e9953237Shenning } else if ((r->action == PF_PASS || r->action == PF_MATCH) && 767bd9b24faSmcbride (!r->proto || r->proto == IPPROTO_TCP) && 768bd9b24faSmcbride !(r->rule_flag & PFRULE_FRAGMENT) && 769be73131dSmcbride !anchor_call[0] && r->keep_state) 770bd9b24faSmcbride printf(" flags any"); 771082ebc44Swilfried if (r->type) { 772b49ca6bbShenning const struct icmptypeent *it; 773082ebc44Swilfried 774b49ca6bbShenning it = geticmptypebynumber(r->type-1, r->af); 775d14c53d7Swilfried if (r->af != AF_INET6) 776d14c53d7Swilfried printf(" icmp-type"); 777082ebc44Swilfried else 778d0cb3502Smcbride printf(" icmp6-type"); 779b49ca6bbShenning if (it != NULL) 780b49ca6bbShenning printf(" %s", it->name); 781d14c53d7Swilfried else 782d14c53d7Swilfried printf(" %u", r->type-1); 783082ebc44Swilfried if (r->code) { 784b49ca6bbShenning const struct icmpcodeent *ic; 785082ebc44Swilfried 786b49ca6bbShenning ic = geticmpcodebynumber(r->type-1, r->code-1, r->af); 787b49ca6bbShenning if (ic != NULL) 788b49ca6bbShenning printf(" code %s", ic->name); 789082ebc44Swilfried else 79014a9b182Skjell printf(" code %u", r->code-1); 791082ebc44Swilfried } 792082ebc44Swilfried } 793e4cbe364Sdhartmei if (r->tos) 794e4cbe364Sdhartmei printf(" tos 0x%2.2x", r->tos); 795bd9b24faSmcbride if (!r->keep_state && r->action == PF_PASS && !anchor_call[0]) 796f644f0ccSmcbride printf(" no state"); 797f644f0ccSmcbride else if (r->keep_state == PF_STATE_NORMAL) 79814a9b182Skjell printf(" keep state"); 799b96c47abSfrantzen else if (r->keep_state == PF_STATE_MODULATE) 800b96c47abSfrantzen printf(" modulate state"); 80152e0438eSdhartmei else if (r->keep_state == PF_STATE_SYNPROXY) 80252e0438eSdhartmei printf(" synproxy state"); 80338425613Scedric if (r->prob) { 80438425613Scedric char buf[20]; 80538425613Scedric 80638425613Scedric snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0)); 80738425613Scedric for (i = strlen(buf)-1; i > 0; i--) { 80838425613Scedric if (buf[i] == '0') 80938425613Scedric buf[i] = '\0'; 81038425613Scedric else { 81138425613Scedric if (buf[i] == '.') 81238425613Scedric buf[i] = '\0'; 81338425613Scedric break; 81438425613Scedric } 81538425613Scedric } 81638425613Scedric printf(" probability %s%%", buf); 81738425613Scedric } 818cc5f0329Sdhartmei opts = 0; 819fd777407Smcbride if (r->max_states || r->max_src_nodes || r->max_src_states) 820cc5f0329Sdhartmei opts = 1; 821af80fa86Smcbride if (r->rule_flag & PFRULE_NOSYNC) 822af80fa86Smcbride opts = 1; 823fd777407Smcbride if (r->rule_flag & PFRULE_SRCTRACK) 824fd777407Smcbride opts = 1; 825c1f13696Shenning if (r->rule_flag & PFRULE_IFBOUND) 826ec359bd5Scedric opts = 1; 8274dc07d4cShenning if (r->rule_flag & PFRULE_STATESLOPPY) 8284dc07d4cShenning opts = 1; 829cc5f0329Sdhartmei for (i = 0; !opts && i < PFTM_MAX; ++i) 830cc5f0329Sdhartmei if (r->timeout[i]) 831cc5f0329Sdhartmei opts = 1; 832cc5f0329Sdhartmei if (opts) { 833cc5f0329Sdhartmei printf(" ("); 834cc5f0329Sdhartmei if (r->max_states) { 835cc5f0329Sdhartmei printf("max %u", r->max_states); 836cc5f0329Sdhartmei opts = 0; 837cc5f0329Sdhartmei } 838af80fa86Smcbride if (r->rule_flag & PFRULE_NOSYNC) { 839af80fa86Smcbride if (!opts) 840af80fa86Smcbride printf(", "); 841af80fa86Smcbride printf("no-sync"); 842af80fa86Smcbride opts = 0; 843af80fa86Smcbride } 844fd777407Smcbride if (r->rule_flag & PFRULE_SRCTRACK) { 845fd777407Smcbride if (!opts) 846fd777407Smcbride printf(", "); 847fd777407Smcbride printf("source-track"); 848fd777407Smcbride if (r->rule_flag & PFRULE_RULESRCTRACK) 849fd777407Smcbride printf(" rule"); 850fd777407Smcbride else 851fd777407Smcbride printf(" global"); 852fd777407Smcbride opts = 0; 853fd777407Smcbride } 854fd777407Smcbride if (r->max_src_states) { 855fd777407Smcbride if (!opts) 856fd777407Smcbride printf(", "); 857fd777407Smcbride printf("max-src-states %u", r->max_src_states); 858fd777407Smcbride opts = 0; 859fd777407Smcbride } 8606b640f62Smcbride if (r->max_src_conn) { 8616b640f62Smcbride if (!opts) 8626b640f62Smcbride printf(", "); 8636b640f62Smcbride printf("max-src-conn %u", r->max_src_conn); 8646b640f62Smcbride opts = 0; 8656b640f62Smcbride } 8666b640f62Smcbride if (r->max_src_conn_rate.limit) { 8676b640f62Smcbride if (!opts) 8686b640f62Smcbride printf(", "); 8696b640f62Smcbride printf("max-src-conn-rate %u/%u", 8706b640f62Smcbride r->max_src_conn_rate.limit, 8716b640f62Smcbride r->max_src_conn_rate.seconds); 8726b640f62Smcbride opts = 0; 8736b640f62Smcbride } 874fd777407Smcbride if (r->max_src_nodes) { 875fd777407Smcbride if (!opts) 876fd777407Smcbride printf(", "); 877fd777407Smcbride printf("max-src-nodes %u", r->max_src_nodes); 878fd777407Smcbride opts = 0; 879fd777407Smcbride } 8806b640f62Smcbride if (r->overload_tblname[0]) { 8816b640f62Smcbride if (!opts) 8826b640f62Smcbride printf(", "); 8836b640f62Smcbride printf("overload <%s>", r->overload_tblname); 8841e320a53Sdhartmei if (r->flush) 8856b640f62Smcbride printf(" flush"); 8861e320a53Sdhartmei if (r->flush & PF_FLUSH_GLOBAL) 8871e320a53Sdhartmei printf(" global"); 8886b640f62Smcbride } 889ec359bd5Scedric if (r->rule_flag & PFRULE_IFBOUND) { 890ec359bd5Scedric if (!opts) 891ec359bd5Scedric printf(", "); 892ec359bd5Scedric printf("if-bound"); 893ec359bd5Scedric opts = 0; 894ec359bd5Scedric } 8954dc07d4cShenning if (r->rule_flag & PFRULE_STATESLOPPY) { 8964dc07d4cShenning if (!opts) 8974dc07d4cShenning printf(", "); 8984dc07d4cShenning printf("sloppy"); 8994dc07d4cShenning opts = 0; 9004dc07d4cShenning } 90118ae10f7Shenning if (r->rule_flag & PFRULE_PFLOW) { 90218ae10f7Shenning if (!opts) 90318ae10f7Shenning printf(", "); 90418ae10f7Shenning printf("pflow"); 90518ae10f7Shenning opts = 0; 90618ae10f7Shenning } 907cc5f0329Sdhartmei for (i = 0; i < PFTM_MAX; ++i) 908cc5f0329Sdhartmei if (r->timeout[i]) { 909ae233f99Sdhartmei int j; 910ae233f99Sdhartmei 911cc5f0329Sdhartmei if (!opts) 912cc5f0329Sdhartmei printf(", "); 913cc5f0329Sdhartmei opts = 0; 9147e5eec99Sdhartmei for (j = 0; pf_timeouts[j].name != NULL; 9157e5eec99Sdhartmei ++j) 916ae233f99Sdhartmei if (pf_timeouts[j].timeout == i) 917ae233f99Sdhartmei break; 9187e5eec99Sdhartmei printf("%s %u", pf_timeouts[j].name == NULL ? 9197e5eec99Sdhartmei "inv.timeout" : pf_timeouts[j].name, 9207e5eec99Sdhartmei r->timeout[i]); 921cc5f0329Sdhartmei } 922cc5f0329Sdhartmei printf(")"); 923cc5f0329Sdhartmei } 924e9953237Shenning 925ddd010a2Sdavid if (r->rule_flag & PFRULE_FRAGMENT) 926ddd010a2Sdavid printf(" fragment"); 927ddd010a2Sdavid 92822923725Shenning if (r->scrub_flags >= PFSTATE_NODF || r->min_ttl || r->max_mss) { 929e9953237Shenning printf(" scrub ("); 93022923725Shenning opts = 1; 93122923725Shenning if (r->scrub_flags & PFSTATE_NODF) { 93267d2a440Sprovos printf("no-df"); 93322923725Shenning opts = 0; 93422923725Shenning } 93522923725Shenning if (r->scrub_flags & PFSTATE_RANDOMID) { 93622923725Shenning if (!opts) 93722923725Shenning printf(" "); 938edbe3066Sdhartmei printf("random-id"); 93922923725Shenning opts = 0; 94022923725Shenning } 94122923725Shenning if (r->min_ttl) { 94222923725Shenning if (!opts) 94322923725Shenning printf(" "); 94434c76dcbSprovos printf("min-ttl %d", r->min_ttl); 94522923725Shenning opts = 0; 94622923725Shenning } 94722923725Shenning if (r->scrub_flags & PFSTATE_SETTOS) { 94822923725Shenning if (!opts) 94922923725Shenning printf(" "); 950e9953237Shenning printf("set-tos 0x%2.2x", r->set_tos); 95122923725Shenning opts = 0; 95222923725Shenning } 95322923725Shenning if (r->scrub_flags & PFSTATE_SCRUB_TCP) { 95422923725Shenning if (!opts) 95522923725Shenning printf(" "); 956e9953237Shenning printf("reassemble tcp"); 95722923725Shenning opts = 0; 95822923725Shenning } 95922923725Shenning if (r->max_mss) { 96022923725Shenning if (!opts) 96122923725Shenning printf(" "); 962cfa91859Sjasoni printf("max-mss %d", r->max_mss); 96322923725Shenning opts = 0; 96422923725Shenning } 965e9953237Shenning printf(")"); 966e9953237Shenning } 967e9953237Shenning 968f48d62b3Sdhartmei if (r->allow_opts) 969f48d62b3Sdhartmei printf(" allow-opts"); 970455ef0c1Sdhartmei if (r->label[0]) 971ff45dfa8Scamield printf(" label \"%s\"", r->label); 972f98324c6Shenning if (r->qname[0] && r->pqname[0]) 973f98324c6Shenning printf(" queue(%s, %s)", r->qname, r->pqname); 974f98324c6Shenning else if (r->qname[0]) 97578e1d2a6Shenning printf(" queue %s", r->qname); 9768aecb81aShenning if (r->tagname[0]) 9778aecb81aShenning printf(" tag %s", r->tagname); 97836369899Shenning if (r->match_tagname[0]) { 97936369899Shenning if (r->match_tag_not) 98036369899Shenning printf(" !"); 9810a5f7f2fShenning printf(" tagged %s", r->match_tagname); 98236369899Shenning } 9835e931757Shenning if (r->rtableid != -1) 9845e931757Shenning printf(" rtable %u", r->rtableid); 985eb900600Smarkus if (r->divert.port) { 986eb900600Smarkus if (PF_AZERO(&r->divert.addr, r->af)) { 987eb900600Smarkus printf(" divert-reply"); 988eb900600Smarkus } else { 989eb900600Smarkus /* XXX cut&paste from print_addr */ 990eb900600Smarkus char buf[48]; 991eb900600Smarkus 992eb900600Smarkus printf(" divert-to "); 993eb900600Smarkus if (inet_ntop(r->af, &r->divert.addr, buf, 994eb900600Smarkus sizeof(buf)) == NULL) 995eb900600Smarkus printf("?"); 996eb900600Smarkus else 997eb900600Smarkus printf("%s", buf); 998782435eaSmarkus printf(" port %u", ntohs(r->divert.port)); 999eb900600Smarkus } 1000eb900600Smarkus } 1001d85f7bc1Smichele if (r->divert_packet.port) 1002d85f7bc1Smichele printf(" divert-packet port %u", ntohs(r->divert_packet.port)); 100336754172Smcbride if (!anchor_call[0] && r->nat.addr.type != PF_ADDR_NONE) { 10040ef3d4feShenning printf (" nat-to "); 10050ef3d4feShenning print_pool(&r->nat, r->nat.proxy_port[0], 100636754172Smcbride r->nat.proxy_port[1], r->af, PF_NAT, verbose); 10070ef3d4feShenning } 100836754172Smcbride if (!r->rt && !anchor_call[0] && r->rdr.addr.type != PF_ADDR_NONE) { 10090ef3d4feShenning printf (" rdr-to "); 10100ef3d4feShenning print_pool(&r->rdr, r->rdr.proxy_port[0], 101136754172Smcbride r->rdr.proxy_port[1], r->af, PF_RDR, verbose); 1012d0aca2f2Shenning } 101369e22b15Sreyk if (r->rt) { 101469e22b15Sreyk if (r->rt == PF_ROUTETO) 101569e22b15Sreyk printf(" route-to"); 101669e22b15Sreyk else if (r->rt == PF_REPLYTO) 101769e22b15Sreyk printf(" reply-to"); 101869e22b15Sreyk else if (r->rt == PF_DUPTO) 101969e22b15Sreyk printf(" dup-to"); 102069e22b15Sreyk else if (r->rt == PF_FASTROUTE) 102169e22b15Sreyk printf(" fastroute"); 102269e22b15Sreyk if (r->rt != PF_FASTROUTE) { 102369e22b15Sreyk printf(" "); 102436754172Smcbride print_pool(&r->route, 0, 0, r->af, PF_PASS, verbose); 102569e22b15Sreyk } 102669e22b15Sreyk } 102714a9b182Skjell } 102814a9b182Skjell 10295b6c447dScedric void 10305b6c447dScedric print_tabledef(const char *name, int flags, int addrs, 10315b6c447dScedric struct node_tinithead *nodes) 10325b6c447dScedric { 10335b6c447dScedric struct node_tinit *ti, *nti; 10345b6c447dScedric struct node_host *h; 10355b6c447dScedric 10365b6c447dScedric printf("table <%s>", name); 10375b6c447dScedric if (flags & PFR_TFLAG_CONST) 10385b6c447dScedric printf(" const"); 10395b6c447dScedric if (flags & PFR_TFLAG_PERSIST) 10405b6c447dScedric printf(" persist"); 10415f03a6e1Smcbride if (flags & PFR_TFLAG_COUNTERS) 10425f03a6e1Smcbride printf(" counters"); 10435b6c447dScedric SIMPLEQ_FOREACH(ti, nodes, entries) { 10445b6c447dScedric if (ti->file) { 10455b6c447dScedric printf(" file \"%s\"", ti->file); 10465b6c447dScedric continue; 10475b6c447dScedric } 10485b6c447dScedric printf(" {"); 10495b6c447dScedric for (;;) { 10505b6c447dScedric for (h = ti->host; h != NULL; h = h->next) { 10515b6c447dScedric printf(h->not ? " !" : " "); 10525b6c447dScedric print_addr(&h->addr, h->af, 0); 105336754172Smcbride if (h->ifname) 105436754172Smcbride printf("@%s", h->ifname); 10555b6c447dScedric } 10565b6c447dScedric nti = SIMPLEQ_NEXT(ti, entries); 10575b6c447dScedric if (nti != NULL && nti->file == NULL) 10585b6c447dScedric ti = nti; /* merge lists */ 10595b6c447dScedric else 10605b6c447dScedric break; 10615b6c447dScedric } 10625b6c447dScedric printf(" }"); 10635b6c447dScedric } 10645b6c447dScedric if (addrs && SIMPLEQ_EMPTY(nodes)) 10655b6c447dScedric printf(" { }"); 10665b6c447dScedric printf("\n"); 10675b6c447dScedric } 10685b6c447dScedric 10691f8f21bdSmillert int 1070ff352a37Smarkus parse_flags(char *s) 107114a9b182Skjell { 1072ff352a37Smarkus char *p, *q; 107314a9b182Skjell u_int8_t f = 0; 107481a15e5dSderaadt 1075ff352a37Smarkus for (p = s; *p; p++) { 1076ff352a37Smarkus if ((q = strchr(tcpflags, *p)) == NULL) 1077ff352a37Smarkus return -1; 1078ff352a37Smarkus else 1079ff352a37Smarkus f |= 1 << (q - tcpflags); 108014a9b182Skjell } 1081bc795af0Shugh return (f ? f : PF_TH_ALL); 108214a9b182Skjell } 108394e9410bShenning 108494e9410bShenning void 108594e9410bShenning set_ipmask(struct node_host *h, u_int8_t b) 108694e9410bShenning { 108794e9410bShenning struct pf_addr *m, *n; 108894e9410bShenning int i, j = 0; 108994e9410bShenning 109094e9410bShenning m = &h->addr.v.a.mask; 1091ab648bf6Sfrantzen memset(m, 0, sizeof(*m)); 109294e9410bShenning 109394e9410bShenning while (b >= 32) { 109494e9410bShenning m->addr32[j++] = 0xffffffff; 109594e9410bShenning b -= 32; 109694e9410bShenning } 109794e9410bShenning for (i = 31; i > 31-b; --i) 109894e9410bShenning m->addr32[j] |= (1 << i); 109994e9410bShenning if (b) 110094e9410bShenning m->addr32[j] = htonl(m->addr32[j]); 110194e9410bShenning 110294e9410bShenning /* Mask off bits of the address that will never be used. */ 110394e9410bShenning n = &h->addr.v.a.addr; 1104ff626af1Shenning if (h->addr.type == PF_ADDR_ADDRMASK) 110594e9410bShenning for (i = 0; i < 4; i++) 110694e9410bShenning n->addr32[i] = n->addr32[i] & m->addr32[i]; 110794e9410bShenning } 110894e9410bShenning 110952f4a4a4Shenning int 111052f4a4a4Shenning check_netmask(struct node_host *h, sa_family_t af) 111152f4a4a4Shenning { 111252f4a4a4Shenning struct node_host *n = NULL; 111352f4a4a4Shenning struct pf_addr *m; 111452f4a4a4Shenning 111552f4a4a4Shenning for (n = h; n != NULL; n = n->next) { 111675d911b5Scedric if (h->addr.type == PF_ADDR_TABLE) 111775d911b5Scedric continue; 111852f4a4a4Shenning m = &h->addr.v.a.mask; 111952f4a4a4Shenning /* fix up netmask for dynaddr */ 112052f4a4a4Shenning if (af == AF_INET && h->addr.type == PF_ADDR_DYNIFTL && 112152f4a4a4Shenning unmask(m, AF_INET6) > 32) 112252f4a4a4Shenning set_ipmask(n, 32); 112352f4a4a4Shenning /* netmasks > 32 bit are invalid on v4 */ 112452f4a4a4Shenning if (af == AF_INET && 112552f4a4a4Shenning (m->addr32[1] || m->addr32[2] || m->addr32[3])) { 112652f4a4a4Shenning fprintf(stderr, "netmask %u invalid for IPv4 address\n", 112752f4a4a4Shenning unmask(m, AF_INET6)); 112852f4a4a4Shenning return (1); 112952f4a4a4Shenning } 113052f4a4a4Shenning } 113152f4a4a4Shenning return (0); 113252f4a4a4Shenning } 113352f4a4a4Shenning 113494e9410bShenning /* interface lookup routines */ 113594e9410bShenning 113694e9410bShenning struct node_host *iftab; 113794e9410bShenning 113894e9410bShenning void 113994e9410bShenning ifa_load(void) 114094e9410bShenning { 114194e9410bShenning struct ifaddrs *ifap, *ifa; 114294e9410bShenning struct node_host *n = NULL, *h = NULL; 114394e9410bShenning 114494e9410bShenning if (getifaddrs(&ifap) < 0) 114594e9410bShenning err(1, "getifaddrs"); 114694e9410bShenning 114794e9410bShenning for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 114894e9410bShenning if (!(ifa->ifa_addr->sa_family == AF_INET || 114994e9410bShenning ifa->ifa_addr->sa_family == AF_INET6 || 115094e9410bShenning ifa->ifa_addr->sa_family == AF_LINK)) 115194e9410bShenning continue; 115294e9410bShenning n = calloc(1, sizeof(struct node_host)); 115394e9410bShenning if (n == NULL) 115494e9410bShenning err(1, "address: calloc"); 115594e9410bShenning n->af = ifa->ifa_addr->sa_family; 115694e9410bShenning n->ifa_flags = ifa->ifa_flags; 115794e9410bShenning #ifdef __KAME__ 115894e9410bShenning if (n->af == AF_INET6 && 115994e9410bShenning IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *) 116094e9410bShenning ifa->ifa_addr)->sin6_addr) && 1161ab642153Shenning ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id == 1162ab642153Shenning 0) { 116394e9410bShenning struct sockaddr_in6 *sin6; 116494e9410bShenning 116594e9410bShenning sin6 = (struct sockaddr_in6 *)ifa->ifa_addr; 116694e9410bShenning sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 | 116794e9410bShenning sin6->sin6_addr.s6_addr[3]; 116894e9410bShenning sin6->sin6_addr.s6_addr[2] = 0; 116994e9410bShenning sin6->sin6_addr.s6_addr[3] = 0; 117094e9410bShenning } 117194e9410bShenning #endif 117294e9410bShenning n->ifindex = 0; 117394e9410bShenning if (n->af == AF_INET) { 117494e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in *) 117594e9410bShenning ifa->ifa_addr)->sin_addr.s_addr, 117694e9410bShenning sizeof(struct in_addr)); 117794e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in *) 117894e9410bShenning ifa->ifa_netmask)->sin_addr.s_addr, 117994e9410bShenning sizeof(struct in_addr)); 118094e9410bShenning if (ifa->ifa_broadaddr != NULL) 118194e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in *) 118294e9410bShenning ifa->ifa_broadaddr)->sin_addr.s_addr, 118394e9410bShenning sizeof(struct in_addr)); 1184ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1185ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in *) 1186ec359bd5Scedric ifa->ifa_dstaddr)->sin_addr.s_addr, 1187ec359bd5Scedric sizeof(struct in_addr)); 118894e9410bShenning } else if (n->af == AF_INET6) { 118994e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in6 *) 119094e9410bShenning ifa->ifa_addr)->sin6_addr.s6_addr, 119194e9410bShenning sizeof(struct in6_addr)); 119294e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in6 *) 119394e9410bShenning ifa->ifa_netmask)->sin6_addr.s6_addr, 119494e9410bShenning sizeof(struct in6_addr)); 119594e9410bShenning if (ifa->ifa_broadaddr != NULL) 119694e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in6 *) 119794e9410bShenning ifa->ifa_broadaddr)->sin6_addr.s6_addr, 119894e9410bShenning sizeof(struct in6_addr)); 1199ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1200ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in6 *) 1201ec359bd5Scedric ifa->ifa_dstaddr)->sin6_addr.s6_addr, 1202ec359bd5Scedric sizeof(struct in6_addr)); 120394e9410bShenning n->ifindex = ((struct sockaddr_in6 *) 120494e9410bShenning ifa->ifa_addr)->sin6_scope_id; 120594e9410bShenning } 120694e9410bShenning if ((n->ifname = strdup(ifa->ifa_name)) == NULL) 120794e9410bShenning err(1, "ifa_load: strdup"); 120894e9410bShenning n->next = NULL; 120994e9410bShenning n->tail = n; 121094e9410bShenning if (h == NULL) 121194e9410bShenning h = n; 121294e9410bShenning else { 121394e9410bShenning h->tail->next = n; 121494e9410bShenning h->tail = n; 121594e9410bShenning } 121694e9410bShenning } 1217ec359bd5Scedric 121894e9410bShenning iftab = h; 121994e9410bShenning freeifaddrs(ifap); 122094e9410bShenning } 122194e9410bShenning 122294e9410bShenning struct node_host * 12236c3582faShenning ifa_exists(const char *ifa_name) 122494e9410bShenning { 122594e9410bShenning struct node_host *n; 12262ff5b035Shenning struct ifgroupreq ifgr; 12272ff5b035Shenning int s; 122894e9410bShenning 122994e9410bShenning if (iftab == NULL) 123094e9410bShenning ifa_load(); 123194e9410bShenning 1232855d4e83Ssobrado /* check whether this is a group */ 12332ff5b035Shenning if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 12342ff5b035Shenning err(1, "socket"); 12352ff5b035Shenning bzero(&ifgr, sizeof(ifgr)); 12362ff5b035Shenning strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 12372ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == 0) { 12382ff5b035Shenning /* fake a node_host */ 12392ff5b035Shenning if ((n = calloc(1, sizeof(*n))) == NULL) 12402ff5b035Shenning err(1, "calloc"); 12412ff5b035Shenning if ((n->ifname = strdup(ifa_name)) == NULL) 12422ff5b035Shenning err(1, "strdup"); 12432ff5b035Shenning close(s); 12442ff5b035Shenning return (n); 12452ff5b035Shenning } 12462ff5b035Shenning close(s); 12472ff5b035Shenning 124894e9410bShenning for (n = iftab; n; n = n->next) { 124994e9410bShenning if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ)) 125094e9410bShenning return (n); 125194e9410bShenning } 1252655a9f8aShenning 125394e9410bShenning return (NULL); 125494e9410bShenning } 125594e9410bShenning 125694e9410bShenning struct node_host * 12572ff5b035Shenning ifa_grouplookup(const char *ifa_name, int flags) 12582ff5b035Shenning { 12592ff5b035Shenning struct ifg_req *ifg; 12602ff5b035Shenning struct ifgroupreq ifgr; 12612ff5b035Shenning int s, len; 1262727cb2f7Sdhartmei struct node_host *n, *h = NULL; 12632ff5b035Shenning 12642ff5b035Shenning if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 12652ff5b035Shenning err(1, "socket"); 12662ff5b035Shenning bzero(&ifgr, sizeof(ifgr)); 12672ff5b035Shenning strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 12682ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) { 12692ff5b035Shenning close(s); 12702ff5b035Shenning return (NULL); 12712ff5b035Shenning } 12722ff5b035Shenning 12732ff5b035Shenning len = ifgr.ifgr_len; 12742ff5b035Shenning if ((ifgr.ifgr_groups = calloc(1, len)) == NULL) 12752ff5b035Shenning err(1, "calloc"); 12762ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) 12772ff5b035Shenning err(1, "SIOCGIFGMEMB"); 12782ff5b035Shenning 12792ff5b035Shenning for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(struct ifg_req); 12802ff5b035Shenning ifg++) { 12812ff5b035Shenning len -= sizeof(struct ifg_req); 128217b44c41Shenning if ((n = ifa_lookup(ifg->ifgrq_member, flags)) == NULL) 128317b44c41Shenning continue; 12842ff5b035Shenning if (h == NULL) 12852ff5b035Shenning h = n; 12862ff5b035Shenning else { 1287727cb2f7Sdhartmei h->tail->next = n; 1288727cb2f7Sdhartmei h->tail = n->tail; 12892ff5b035Shenning } 12902ff5b035Shenning } 12912ff5b035Shenning free(ifgr.ifgr_groups); 12922ff5b035Shenning close(s); 12932ff5b035Shenning 12942ff5b035Shenning return (h); 12952ff5b035Shenning } 12962ff5b035Shenning 12972ff5b035Shenning struct node_host * 1298ec359bd5Scedric ifa_lookup(const char *ifa_name, int flags) 129994e9410bShenning { 130094e9410bShenning struct node_host *p = NULL, *h = NULL, *n = NULL; 13017ad220f2Scedric int got4 = 0, got6 = 0; 1302ec359bd5Scedric const char *last_if = NULL; 130394e9410bShenning 13042ff5b035Shenning if ((h = ifa_grouplookup(ifa_name, flags)) != NULL) 13052ff5b035Shenning return (h); 13062ff5b035Shenning 130794e9410bShenning if (!strncmp(ifa_name, "self", IFNAMSIZ)) 13087ad220f2Scedric ifa_name = NULL; 130994e9410bShenning 131094e9410bShenning if (iftab == NULL) 131194e9410bShenning ifa_load(); 131294e9410bShenning 131394e9410bShenning for (p = iftab; p; p = p->next) { 13147ad220f2Scedric if (ifa_skip_if(ifa_name, p)) 131594e9410bShenning continue; 1316ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET) 131794e9410bShenning continue; 1318ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && 1319ec359bd5Scedric !(p->ifa_flags & IFF_BROADCAST)) 132094e9410bShenning continue; 1321ec359bd5Scedric if ((flags & PFI_AFLAG_PEER) && 1322ec359bd5Scedric !(p->ifa_flags & IFF_POINTOPOINT)) 1323ec359bd5Scedric continue; 1324ec359bd5Scedric if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0) 1325ec359bd5Scedric continue; 1326ec359bd5Scedric if (last_if == NULL || strcmp(last_if, p->ifname)) 1327ec359bd5Scedric got4 = got6 = 0; 1328ec359bd5Scedric last_if = p->ifname; 1329ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4) 1330ec359bd5Scedric continue; 1331ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6) 1332ec359bd5Scedric continue; 1333ec359bd5Scedric if (p->af == AF_INET) 1334ec359bd5Scedric got4 = 1; 1335ec359bd5Scedric else 1336ec359bd5Scedric got6 = 1; 133794e9410bShenning n = calloc(1, sizeof(struct node_host)); 133894e9410bShenning if (n == NULL) 133994e9410bShenning err(1, "address: calloc"); 134094e9410bShenning n->af = p->af; 1341ec359bd5Scedric if (flags & PFI_AFLAG_BROADCAST) 134294e9410bShenning memcpy(&n->addr.v.a.addr, &p->bcast, 134394e9410bShenning sizeof(struct pf_addr)); 1344ec359bd5Scedric else if (flags & PFI_AFLAG_PEER) 1345ec359bd5Scedric memcpy(&n->addr.v.a.addr, &p->peer, 1346ec359bd5Scedric sizeof(struct pf_addr)); 134794e9410bShenning else 134894e9410bShenning memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr, 134994e9410bShenning sizeof(struct pf_addr)); 1350ec359bd5Scedric if (flags & PFI_AFLAG_NETWORK) 135194e9410bShenning set_ipmask(n, unmask(&p->addr.v.a.mask, n->af)); 135294e9410bShenning else { 135394e9410bShenning if (n->af == AF_INET) { 135494e9410bShenning if (p->ifa_flags & IFF_LOOPBACK && 135594e9410bShenning p->ifa_flags & IFF_LINK1) 135694e9410bShenning memcpy(&n->addr.v.a.mask, 135794e9410bShenning &p->addr.v.a.mask, 135894e9410bShenning sizeof(struct pf_addr)); 135994e9410bShenning else 136094e9410bShenning set_ipmask(n, 32); 136194e9410bShenning } else 136294e9410bShenning set_ipmask(n, 128); 136394e9410bShenning } 136494e9410bShenning n->ifindex = p->ifindex; 136594e9410bShenning 136694e9410bShenning n->next = NULL; 136794e9410bShenning n->tail = n; 136894e9410bShenning if (h == NULL) 136994e9410bShenning h = n; 137094e9410bShenning else { 137194e9410bShenning h->tail->next = n; 137294e9410bShenning h->tail = n; 137394e9410bShenning } 137494e9410bShenning } 137594e9410bShenning return (h); 137694e9410bShenning } 137794e9410bShenning 13787ad220f2Scedric int 13797ad220f2Scedric ifa_skip_if(const char *filter, struct node_host *p) 13807ad220f2Scedric { 13817ad220f2Scedric int n; 13827ad220f2Scedric 13837ad220f2Scedric if (p->af != AF_INET && p->af != AF_INET6) 13847ad220f2Scedric return (1); 13857ad220f2Scedric if (filter == NULL || !*filter) 13867ad220f2Scedric return (0); 13877ad220f2Scedric if (!strcmp(p->ifname, filter)) 13887ad220f2Scedric return (0); /* exact match */ 13897ad220f2Scedric n = strlen(filter); 13907ad220f2Scedric if (n < 1 || n >= IFNAMSIZ) 13917ad220f2Scedric return (1); /* sanity check */ 13927ad220f2Scedric if (filter[n-1] >= '0' && filter[n-1] <= '9') 13937ad220f2Scedric return (1); /* only do exact match in that case */ 13947ad220f2Scedric if (strncmp(p->ifname, filter, n)) 13957ad220f2Scedric return (1); /* prefix doesn't match */ 13967ad220f2Scedric return (p->ifname[n] < '0' || p->ifname[n] > '9'); 13977ad220f2Scedric } 13987ad220f2Scedric 13997ad220f2Scedric 140094e9410bShenning struct node_host * 1401f23861c1Shenning host(const char *s) 140294e9410bShenning { 140336754172Smcbride struct node_host *h = NULL, *n; 140436754172Smcbride int mask = -1, v4mask = 32, v6mask = 128, cont = 1; 140525bdb5e4Smcbride char *p, *q, *r, *ps, *if_name; 140694e9410bShenning 140736754172Smcbride if ((ps = strdup(s)) == NULL) 140836754172Smcbride err(1, "host: strdup"); 140936754172Smcbride 141036754172Smcbride if ((if_name = strrchr(ps, '@')) != NULL) { 141136754172Smcbride if_name[0] = '\0'; 141236754172Smcbride if_name++; 1413d20cfe34Smcbride } 141425bdb5e4Smcbride 1415d20cfe34Smcbride if ((p = strrchr(ps, '/')) != NULL) { 141625bdb5e4Smcbride if ((r = strdup(ps)) == NULL) 141725bdb5e4Smcbride err(1, "host: strdup"); 141894e9410bShenning mask = strtol(p+1, &q, 0); 1419fecc9cd0Shenning if (!q || *q || mask > 128 || q == (p+1)) { 14203f76a180Sdhartmei fprintf(stderr, "invalid netmask '%s'\n", p); 142194e9410bShenning return (NULL); 142294e9410bShenning } 142336754172Smcbride p[0] = '\0'; 142494e9410bShenning v4mask = v6mask = mask; 142525bdb5e4Smcbride } else 142625bdb5e4Smcbride r = ps; 142794e9410bShenning 14282a6c1abaShenning /* interface with this name exists? */ 14294a36d485Shenning if (cont && (h = host_if(ps, mask)) != NULL) 14302a6c1abaShenning cont = 0; 14312a6c1abaShenning 14322a6c1abaShenning /* IPv4 address? */ 143325bdb5e4Smcbride if (cont && (h = host_v4(r, mask)) != NULL) 14342a6c1abaShenning cont = 0; 143525bdb5e4Smcbride if (r != ps) 143625bdb5e4Smcbride free(r); 14372a6c1abaShenning 14382a6c1abaShenning /* IPv6 address? */ 14392a6c1abaShenning if (cont && (h = host_v6(ps, v6mask)) != NULL) 14402a6c1abaShenning cont = 0; 14412a6c1abaShenning 14422a6c1abaShenning /* dns lookup */ 14432a6c1abaShenning if (cont && (h = host_dns(ps, v4mask, v6mask)) != NULL) 14442a6c1abaShenning cont = 0; 14452a6c1abaShenning 1446d20cfe34Smcbride if (if_name && if_name[0]) 1447d20cfe34Smcbride for (n = h; n != NULL; n = n->next) 1448d20cfe34Smcbride if ((n->ifname = strdup(if_name)) == NULL) 1449d20cfe34Smcbride err(1, "host: strdup"); 1450d20cfe34Smcbride 1451d20cfe34Smcbride free(ps); /* after we copy the name out */ 14522a6c1abaShenning if (h == NULL || cont == 1) { 14532a6c1abaShenning fprintf(stderr, "no IP address found for %s\n", s); 14542a6c1abaShenning return (NULL); 14552a6c1abaShenning } 145636754172Smcbride for (n = h; n != NULL; n = n->next) 1457d20cfe34Smcbride n->addr.type = PF_ADDR_ADDRMASK; 14582a6c1abaShenning return (h); 14592a6c1abaShenning } 14602a6c1abaShenning 14612a6c1abaShenning struct node_host * 1462f2370d27Shenning host_if(const char *s, int mask) 14632a6c1abaShenning { 14642a6c1abaShenning struct node_host *n, *h = NULL; 14654a36d485Shenning char *p, *ps; 1466ec359bd5Scedric int flags = 0; 14672a6c1abaShenning 1468ec359bd5Scedric if ((ps = strdup(s)) == NULL) 1469ec359bd5Scedric err(1, "host_if: strdup"); 1470ec359bd5Scedric while ((p = strrchr(ps, ':')) != NULL) { 14714a36d485Shenning if (!strcmp(p+1, "network")) 1472ec359bd5Scedric flags |= PFI_AFLAG_NETWORK; 1473ec359bd5Scedric else if (!strcmp(p+1, "broadcast")) 1474ec359bd5Scedric flags |= PFI_AFLAG_BROADCAST; 1475ec359bd5Scedric else if (!strcmp(p+1, "peer")) 1476ec359bd5Scedric flags |= PFI_AFLAG_PEER; 1477ec359bd5Scedric else if (!strcmp(p+1, "0")) 1478ec359bd5Scedric flags |= PFI_AFLAG_NOALIAS; 1479f8bc5305Shenning else { 1480f8bc5305Shenning free(ps); 1481ec359bd5Scedric return (NULL); 1482f8bc5305Shenning } 1483ec359bd5Scedric *p = '\0'; 1484ec359bd5Scedric } 1485ec359bd5Scedric if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */ 1486ec359bd5Scedric fprintf(stderr, "illegal combination of interface modifiers\n"); 1487f8bc5305Shenning free(ps); 1488ec359bd5Scedric return (NULL); 1489ec359bd5Scedric } 1490ec359bd5Scedric if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) { 14914a36d485Shenning fprintf(stderr, "network or broadcast lookup, but " 14924a36d485Shenning "extra netmask given\n"); 1493f8bc5305Shenning free(ps); 14944a36d485Shenning return (NULL); 14954a36d485Shenning } 14966c3582faShenning if (ifa_exists(ps) || !strncmp(ps, "self", IFNAMSIZ)) { 14972a6c1abaShenning /* interface with this name exists */ 1498ec359bd5Scedric h = ifa_lookup(ps, flags); 14992a6c1abaShenning for (n = h; n != NULL && mask > -1; n = n->next) 15002a6c1abaShenning set_ipmask(n, mask); 15012a6c1abaShenning } 15024a36d485Shenning 15034a36d485Shenning free(ps); 15042a6c1abaShenning return (h); 15052a6c1abaShenning } 15062a6c1abaShenning 15072a6c1abaShenning struct node_host * 1508383ebbbfShenning host_v4(const char *s, int mask) 15092a6c1abaShenning { 15102a6c1abaShenning struct node_host *h = NULL; 15112a6c1abaShenning struct in_addr ina; 151290fffbb7Shenning int bits = 32; 15132a6c1abaShenning 151494e9410bShenning memset(&ina, 0, sizeof(struct in_addr)); 151590fffbb7Shenning if (strrchr(s, '/') != NULL) { 151690fffbb7Shenning if ((bits = inet_net_pton(AF_INET, s, &ina, sizeof(ina))) == -1) 151790fffbb7Shenning return (NULL); 151890fffbb7Shenning } else { 151990fffbb7Shenning if (inet_pton(AF_INET, s, &ina) != 1) 152090fffbb7Shenning return (NULL); 152190fffbb7Shenning } 152290fffbb7Shenning 152394e9410bShenning h = calloc(1, sizeof(struct node_host)); 152494e9410bShenning if (h == NULL) 152594e9410bShenning err(1, "address: calloc"); 152694e9410bShenning h->ifname = NULL; 152794e9410bShenning h->af = AF_INET; 152894e9410bShenning h->addr.v.a.addr.addr32[0] = ina.s_addr; 152994e9410bShenning set_ipmask(h, bits); 153094e9410bShenning h->next = NULL; 153194e9410bShenning h->tail = h; 15322a6c1abaShenning 153394e9410bShenning return (h); 153494e9410bShenning } 15352a6c1abaShenning 15362a6c1abaShenning struct node_host * 1537f2370d27Shenning host_v6(const char *s, int mask) 15382a6c1abaShenning { 15392a6c1abaShenning struct addrinfo hints, *res; 15402a6c1abaShenning struct node_host *h = NULL; 154194e9410bShenning 154294e9410bShenning memset(&hints, 0, sizeof(hints)); 154394e9410bShenning hints.ai_family = AF_INET6; 154494e9410bShenning hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 154594e9410bShenning hints.ai_flags = AI_NUMERICHOST; 15462a6c1abaShenning if (getaddrinfo(s, "0", &hints, &res) == 0) { 15472a6c1abaShenning h = calloc(1, sizeof(struct node_host)); 15482a6c1abaShenning if (h == NULL) 154994e9410bShenning err(1, "address: calloc"); 15502a6c1abaShenning h->ifname = NULL; 15512a6c1abaShenning h->af = AF_INET6; 15522a6c1abaShenning memcpy(&h->addr.v.a.addr, 155394e9410bShenning &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr, 15542a6c1abaShenning sizeof(h->addr.v.a.addr)); 15552a6c1abaShenning h->ifindex = 15562a6c1abaShenning ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 15572a6c1abaShenning set_ipmask(h, mask); 155894e9410bShenning freeaddrinfo(res); 15592a6c1abaShenning h->next = NULL; 15602a6c1abaShenning h->tail = h; 156194e9410bShenning } 156294e9410bShenning 15632a6c1abaShenning return (h); 15642a6c1abaShenning } 15652a6c1abaShenning 15662a6c1abaShenning struct node_host * 1567f2370d27Shenning host_dns(const char *s, int v4mask, int v6mask) 15682a6c1abaShenning { 15692a6c1abaShenning struct addrinfo hints, *res0, *res; 15702a6c1abaShenning struct node_host *n, *h = NULL; 1571ec359bd5Scedric int error, noalias = 0; 1572ec359bd5Scedric int got4 = 0, got6 = 0; 1573ec359bd5Scedric char *p, *ps; 15742a6c1abaShenning 1575ec359bd5Scedric if ((ps = strdup(s)) == NULL) 157622dee42fShenning err(1, "host_dns: strdup"); 1577ec359bd5Scedric if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) { 1578ec359bd5Scedric noalias = 1; 1579ec359bd5Scedric *p = '\0'; 1580ec359bd5Scedric } 158194e9410bShenning memset(&hints, 0, sizeof(hints)); 158294e9410bShenning hints.ai_family = PF_UNSPEC; 158394e9410bShenning hints.ai_socktype = SOCK_STREAM; /* DUMMY */ 1584ec359bd5Scedric error = getaddrinfo(ps, NULL, &hints, &res0); 1585b4d8b6eeShenning if (error) { 1586b4d8b6eeShenning free(ps); 15872a6c1abaShenning return (h); 1588b4d8b6eeShenning } 15892a6c1abaShenning 159094e9410bShenning for (res = res0; res; res = res->ai_next) { 159194e9410bShenning if (res->ai_family != AF_INET && 159294e9410bShenning res->ai_family != AF_INET6) 159394e9410bShenning continue; 1594ec359bd5Scedric if (noalias) { 1595ec359bd5Scedric if (res->ai_family == AF_INET) { 1596ec359bd5Scedric if (got4) 1597ec359bd5Scedric continue; 1598ec359bd5Scedric got4 = 1; 1599ec359bd5Scedric } else { 1600ec359bd5Scedric if (got6) 1601ec359bd5Scedric continue; 1602ec359bd5Scedric got6 = 1; 1603ec359bd5Scedric } 1604ec359bd5Scedric } 160594e9410bShenning n = calloc(1, sizeof(struct node_host)); 160694e9410bShenning if (n == NULL) 16072a6c1abaShenning err(1, "host_dns: calloc"); 160894e9410bShenning n->ifname = NULL; 160994e9410bShenning n->af = res->ai_family; 161094e9410bShenning if (res->ai_family == AF_INET) { 161194e9410bShenning memcpy(&n->addr.v.a.addr, 16122a6c1abaShenning &((struct sockaddr_in *) 16132a6c1abaShenning res->ai_addr)->sin_addr.s_addr, 161494e9410bShenning sizeof(struct in_addr)); 161594e9410bShenning set_ipmask(n, v4mask); 161694e9410bShenning } else { 161794e9410bShenning memcpy(&n->addr.v.a.addr, 16182a6c1abaShenning &((struct sockaddr_in6 *) 16192a6c1abaShenning res->ai_addr)->sin6_addr.s6_addr, 162094e9410bShenning sizeof(struct in6_addr)); 162194e9410bShenning n->ifindex = 16222a6c1abaShenning ((struct sockaddr_in6 *) 16232a6c1abaShenning res->ai_addr)->sin6_scope_id; 162494e9410bShenning set_ipmask(n, v6mask); 162594e9410bShenning } 162694e9410bShenning n->next = NULL; 162794e9410bShenning n->tail = n; 162894e9410bShenning if (h == NULL) 162994e9410bShenning h = n; 163094e9410bShenning else { 163194e9410bShenning h->tail->next = n; 163294e9410bShenning h->tail = n; 163394e9410bShenning } 163494e9410bShenning } 163594e9410bShenning freeaddrinfo(res0); 1636ec359bd5Scedric free(ps); 163794e9410bShenning 163894e9410bShenning return (h); 163994e9410bShenning } 164042e05679Scedric 164142e05679Scedric /* 164242e05679Scedric * convert a hostname to a list of addresses and put them in the given buffer. 164342e05679Scedric * test: 164442e05679Scedric * if set to 1, only simple addresses are accepted (no netblock, no "!"). 164542e05679Scedric */ 164642e05679Scedric int 164742e05679Scedric append_addr(struct pfr_buffer *b, char *s, int test) 164842e05679Scedric { 16495b6c447dScedric char *r; 1650b88a8d5dScedric struct node_host *h, *n; 1651b88a8d5dScedric int rv, not = 0; 16525b6c447dScedric 16535b6c447dScedric for (r = s; *r == '!'; r++) 16545b6c447dScedric not = !not; 16555b6c447dScedric if ((n = host(r)) == NULL) { 16565b6c447dScedric errno = 0; 16575b6c447dScedric return (-1); 16585b6c447dScedric } 1659b88a8d5dScedric rv = append_addr_host(b, n, test, not); 1660b88a8d5dScedric do { 1661b88a8d5dScedric h = n; 1662b88a8d5dScedric n = n->next; 1663b88a8d5dScedric free(h); 1664b88a8d5dScedric } while (n != NULL); 1665b88a8d5dScedric return (rv); 166642e05679Scedric } 166742e05679Scedric 166842e05679Scedric /* 16695b6c447dScedric * same as previous function, but with a pre-parsed input and the ability 1670b88a8d5dScedric * to "negate" the result. Does not free the node_host list. 167142e05679Scedric * not: 167242e05679Scedric * setting it to 1 is equivalent to adding "!" in front of parameter s. 167342e05679Scedric */ 167442e05679Scedric int 16755b6c447dScedric append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not) 167642e05679Scedric { 167742e05679Scedric int bits; 167842e05679Scedric struct pfr_addr addr; 167942e05679Scedric 168042e05679Scedric do { 168142e05679Scedric bzero(&addr, sizeof(addr)); 16825b6c447dScedric addr.pfra_not = n->not ^ not; 168342e05679Scedric addr.pfra_af = n->af; 168442e05679Scedric addr.pfra_net = unmask(&n->addr.v.a.mask, n->af); 168536754172Smcbride if (n->ifname) { 168636754172Smcbride if (strlcpy(addr.pfra_ifname, n->ifname, 168736754172Smcbride sizeof(addr.pfra_ifname)) >= sizeof(addr.pfra_ifname)) 168836754172Smcbride errx(1, "append_addr_host: strlcpy"); 168936754172Smcbride addr.pfra_type = PFRKE_ROUTE; 169036754172Smcbride } 169142e05679Scedric switch (n->af) { 169242e05679Scedric case AF_INET: 169342e05679Scedric addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0]; 169442e05679Scedric bits = 32; 169542e05679Scedric break; 169642e05679Scedric case AF_INET6: 169742e05679Scedric memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6, 169842e05679Scedric sizeof(struct in6_addr)); 169942e05679Scedric bits = 128; 170042e05679Scedric break; 170142e05679Scedric default: 170242e05679Scedric errno = EINVAL; 170342e05679Scedric return (-1); 170442e05679Scedric } 170542e05679Scedric if ((test && (not || addr.pfra_net != bits)) || 170642e05679Scedric addr.pfra_net > bits) { 170742e05679Scedric errno = EINVAL; 170842e05679Scedric return (-1); 170942e05679Scedric } 171042e05679Scedric if (pfr_buf_add(b, &addr)) 171142e05679Scedric return (-1); 1712b88a8d5dScedric } while ((n = n->next) != NULL); 171342e05679Scedric 171442e05679Scedric return (0); 171542e05679Scedric } 171679cc0068Scedric 171779cc0068Scedric int 17189f66a89aShenning pfctl_add_trans(struct pfr_buffer *buf, int type, const char *anchor) 171979cc0068Scedric { 172079cc0068Scedric struct pfioc_trans_e trans; 172179cc0068Scedric 172279cc0068Scedric bzero(&trans, sizeof(trans)); 17239f66a89aShenning trans.type = type; 172479cc0068Scedric if (strlcpy(trans.anchor, anchor, 1725d9ad7941Sdhartmei sizeof(trans.anchor)) >= sizeof(trans.anchor)) 172679cc0068Scedric errx(1, "pfctl_add_trans: strlcpy"); 172779cc0068Scedric 172879cc0068Scedric return pfr_buf_add(buf, &trans); 172979cc0068Scedric } 173079cc0068Scedric 173179cc0068Scedric u_int32_t 17329f66a89aShenning pfctl_get_ticket(struct pfr_buffer *buf, int type, const char *anchor) 173379cc0068Scedric { 173479cc0068Scedric struct pfioc_trans_e *p; 173579cc0068Scedric 173679cc0068Scedric PFRB_FOREACH(p, buf) 17379f66a89aShenning if (type == p->type && !strcmp(anchor, p->anchor)) 173879cc0068Scedric return (p->ticket); 173922dee42fShenning errx(1, "pfctl_get_ticket: assertion failed"); 174079cc0068Scedric } 174179cc0068Scedric 174279cc0068Scedric int 17433060c195Shenning pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from) 174479cc0068Scedric { 174579cc0068Scedric struct pfioc_trans trans; 174679cc0068Scedric 174779cc0068Scedric bzero(&trans, sizeof(trans)); 174879cc0068Scedric trans.size = buf->pfrb_size - from; 174979cc0068Scedric trans.esize = sizeof(struct pfioc_trans_e); 175079cc0068Scedric trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from; 175179cc0068Scedric return ioctl(dev, cmd, &trans); 175279cc0068Scedric } 1753