1*4dc07d4cShenning /* $OpenBSD: pfctl_parser.c,v 1.239 2008/06/10 04:28:54 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> 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, 401e0c302d0Smcbride sa_family_t af, int id) 4023a44df3cSmcbride { 4033a44df3cSmcbride struct pf_pooladdr *pooladdr; 4043a44df3cSmcbride 4056c917913Smcbride if ((TAILQ_FIRST(&pool->list) != NULL) && 4066c917913Smcbride TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL) 4073a44df3cSmcbride printf("{ "); 4083a44df3cSmcbride TAILQ_FOREACH(pooladdr, &pool->list, entries){ 4093a44df3cSmcbride switch (id) { 410e8793aa9Smcbride case PF_NAT: 411e8793aa9Smcbride case PF_RDR: 412e8793aa9Smcbride case PF_BINAT: 41320b4324fScedric print_addr(&pooladdr->addr, af, 0); 4143a44df3cSmcbride break; 415e8793aa9Smcbride case PF_PASS: 41620b4324fScedric if (PF_AZERO(&pooladdr->addr.v.a.addr, af)) 4173b9b234fSmcbride printf("%s", pooladdr->ifname); 418790504a6Sdhartmei else { 4193a44df3cSmcbride printf("(%s ", pooladdr->ifname); 42020b4324fScedric print_addr(&pooladdr->addr, af, 0); 4213a44df3cSmcbride printf(")"); 4223b9b234fSmcbride } 4233a44df3cSmcbride break; 424e8793aa9Smcbride default: 425e8793aa9Smcbride break; 4263a44df3cSmcbride } 4273a44df3cSmcbride if (TAILQ_NEXT(pooladdr, entries) != NULL) 4283a44df3cSmcbride printf(", "); 4293a44df3cSmcbride else if (TAILQ_NEXT(TAILQ_FIRST(&pool->list), entries) != NULL) 4303a44df3cSmcbride printf(" }"); 4313a44df3cSmcbride } 432e0c302d0Smcbride switch (id) { 433e8793aa9Smcbride case PF_NAT: 4349782f7a2Smcbride if ((p1 != PF_NAT_PROXY_PORT_LOW || 4359782f7a2Smcbride p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) { 436e0c302d0Smcbride if (p1 == p2) 437e0c302d0Smcbride printf(" port %u", p1); 438e0c302d0Smcbride else 439e0c302d0Smcbride printf(" port %u:%u", p1, p2); 440e0c302d0Smcbride } 441e0c302d0Smcbride break; 442e8793aa9Smcbride case PF_RDR: 443e0c302d0Smcbride if (p1) { 4448da4e377Smcbride printf(" port %u", p1); 4458da4e377Smcbride if (p2 && (p2 != p1)) 4468da4e377Smcbride printf(":%u", p2); 447e0c302d0Smcbride } 448e0c302d0Smcbride break; 449e0c302d0Smcbride default: 450e0c302d0Smcbride break; 451e0c302d0Smcbride } 452e0c302d0Smcbride switch (pool->opts & PF_POOL_TYPEMASK) { 453e0c302d0Smcbride case PF_POOL_NONE: 454e0c302d0Smcbride break; 455e0c302d0Smcbride case PF_POOL_BITMASK: 456e0c302d0Smcbride printf(" bitmask"); 457e0c302d0Smcbride break; 458e0c302d0Smcbride case PF_POOL_RANDOM: 459e0c302d0Smcbride printf(" random"); 460e0c302d0Smcbride break; 461e0c302d0Smcbride case PF_POOL_SRCHASH: 4620436fa02Smcbride printf(" source-hash 0x%08x%08x%08x%08x", 463e0c302d0Smcbride pool->key.key32[0], pool->key.key32[1], 464e0c302d0Smcbride pool->key.key32[2], pool->key.key32[3]); 465e0c302d0Smcbride break; 466e0c302d0Smcbride case PF_POOL_ROUNDROBIN: 467e0c302d0Smcbride printf(" round-robin"); 468e0c302d0Smcbride break; 469e0c302d0Smcbride } 470fd777407Smcbride if (pool->opts & PF_POOL_STICKYADDR) 471fd777407Smcbride printf(" sticky-address"); 4729782f7a2Smcbride if (id == PF_NAT && p1 == 0 && p2 == 0) 473e0c302d0Smcbride printf(" static-port"); 4743a44df3cSmcbride } 4753a44df3cSmcbride 476132c30ccShenning const char *pf_reasons[PFRES_MAX+1] = PFRES_NAMES; 4776b640f62Smcbride const char *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES; 478132c30ccShenning const char *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES; 479fd777407Smcbride const char *pf_scounters[FCNT_MAX+1] = FCNT_NAMES; 48099a73934Sderaadt 48114a9b182Skjell void 482fd777407Smcbride print_status(struct pf_status *s, int opts) 48314a9b182Skjell { 4845191b30fScedric char statline[80], *running; 485c474e331Shenning time_t runtime; 48699a73934Sderaadt int i; 487a1973c63Ssturm char buf[PF_MD5_DIGEST_LENGTH * 2 + 1]; 488010eb8d3Smpf static const char hex[] = "0123456789abcdef"; 48999a73934Sderaadt 490c474e331Shenning runtime = time(NULL) - s->since; 4915191b30fScedric running = s->running ? "Enabled" : "Disabled"; 492c474e331Shenning 4935191b30fScedric if (s->since) { 494db93f2f1Sderaadt unsigned int sec, min, hrs, day = runtime; 495d85e4ad6Sdhartmei 496d85e4ad6Sdhartmei sec = day % 60; 497d85e4ad6Sdhartmei day /= 60; 498d85e4ad6Sdhartmei min = day % 60; 499d85e4ad6Sdhartmei day /= 60; 500d85e4ad6Sdhartmei hrs = day % 24; 501d85e4ad6Sdhartmei day /= 24; 502c474e331Shenning snprintf(statline, sizeof(statline), 5035191b30fScedric "Status: %s for %u days %.2u:%.2u:%.2u", 5045191b30fScedric running, day, hrs, min, sec); 505d85e4ad6Sdhartmei } else 5065191b30fScedric snprintf(statline, sizeof(statline), "Status: %s", running); 507c97b4ee1Shenning printf("%-44s", statline); 508ae58c8acSdhartmei switch (s->debug) { 509a1d6f6e2Shenning case PF_DEBUG_NONE: 510c97b4ee1Shenning printf("%15s\n\n", "Debug: None"); 511ae58c8acSdhartmei break; 512a1d6f6e2Shenning case PF_DEBUG_URGENT: 513c97b4ee1Shenning printf("%15s\n\n", "Debug: Urgent"); 514ae58c8acSdhartmei break; 515a1d6f6e2Shenning case PF_DEBUG_MISC: 516c97b4ee1Shenning printf("%15s\n\n", "Debug: Misc"); 517ae58c8acSdhartmei break; 518a1d6f6e2Shenning case PF_DEBUG_NOISY: 519a1d6f6e2Shenning printf("%15s\n\n", "Debug: Loud"); 520a1d6f6e2Shenning break; 521ae58c8acSdhartmei } 522f6e85b8dSmcbride 523f6e85b8dSmcbride if (opts & PF_OPT_VERBOSE) { 524010eb8d3Smpf printf("Hostid: 0x%08x\n", ntohl(s->hostid)); 525010eb8d3Smpf 526a1973c63Ssturm for (i = 0; i < PF_MD5_DIGEST_LENGTH; i++) { 527010eb8d3Smpf buf[i + i] = hex[s->pf_chksum[i] >> 4]; 528010eb8d3Smpf buf[i + i + 1] = hex[s->pf_chksum[i] & 0x0f]; 529010eb8d3Smpf } 530010eb8d3Smpf buf[i + i] = '\0'; 531010eb8d3Smpf printf("Checksum: 0x%s\n\n", buf); 532f6e85b8dSmcbride } 533010eb8d3Smpf 534c474e331Shenning if (s->ifname[0] != 0) { 535c474e331Shenning printf("Interface Stats for %-16s %5s %16s\n", 536c474e331Shenning s->ifname, "IPv4", "IPv6"); 537c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes In", 538ef22e615Sdhartmei (unsigned long long)s->bcounters[0][0], 539ef22e615Sdhartmei (unsigned long long)s->bcounters[1][0]); 540c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes Out", 541ef22e615Sdhartmei (unsigned long long)s->bcounters[0][1], 542ef22e615Sdhartmei (unsigned long long)s->bcounters[1][1]); 543c474e331Shenning printf(" Packets In\n"); 544c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 545ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_PASS], 546ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_PASS]); 547c474e331Shenning printf(" %-23s %14llu %16llu\n", "Blocked", 548ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_DROP], 549ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_DROP]); 550c474e331Shenning printf(" Packets Out\n"); 551c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 552ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_PASS], 553ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_PASS]); 554c474e331Shenning printf(" %-23s %14llu %16llu\n\n", "Blocked", 555ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_DROP], 556ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_DROP]); 557c474e331Shenning } 558c474e331Shenning printf("%-27s %14s %16s\n", "State Table", "Total", "Rate"); 559c474e331Shenning printf(" %-25s %14u %14s\n", "current entries", s->states, ""); 560c474e331Shenning for (i = 0; i < FCNT_MAX; i++) { 561ea4ec064Sitojun printf(" %-25s %14llu ", pf_fcounters[i], 562ea4ec064Sitojun (unsigned long long)s->fcounters[i]); 563c474e331Shenning if (runtime > 0) 564c474e331Shenning printf("%14.1f/s\n", 565c474e331Shenning (double)s->fcounters[i] / (double)runtime); 566c474e331Shenning else 567c474e331Shenning printf("%14s\n", ""); 568c474e331Shenning } 569fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 570fd777407Smcbride printf("Source Tracking Table\n"); 571fd777407Smcbride printf(" %-25s %14u %14s\n", "current entries", 572fd777407Smcbride s->src_nodes, ""); 573fd777407Smcbride for (i = 0; i < SCNT_MAX; i++) { 574fd777407Smcbride printf(" %-25s %14lld ", pf_scounters[i], 575fd777407Smcbride s->scounters[i]); 576fd777407Smcbride if (runtime > 0) 577fd777407Smcbride printf("%14.1f/s\n", 578fd777407Smcbride (double)s->scounters[i] / (double)runtime); 579fd777407Smcbride else 580fd777407Smcbride printf("%14s\n", ""); 581fd777407Smcbride } 582fd777407Smcbride } 58399a73934Sderaadt printf("Counters\n"); 584c474e331Shenning for (i = 0; i < PFRES_MAX; i++) { 585ea4ec064Sitojun printf(" %-25s %14llu ", pf_reasons[i], 586ea4ec064Sitojun (unsigned long long)s->counters[i]); 587c474e331Shenning if (runtime > 0) 588c474e331Shenning printf("%14.1f/s\n", 589c474e331Shenning (double)s->counters[i] / (double)runtime); 590c474e331Shenning else 591c474e331Shenning printf("%14s\n", ""); 592c474e331Shenning } 5936b640f62Smcbride if (opts & PF_OPT_VERBOSE) { 5946b640f62Smcbride printf("Limit Counters\n"); 5956b640f62Smcbride for (i = 0; i < LCNT_MAX; i++) { 5966b640f62Smcbride printf(" %-25s %14lld ", pf_lcounters[i], 5976b640f62Smcbride s->lcounters[i]); 5986b640f62Smcbride if (runtime > 0) 5996b640f62Smcbride printf("%14.1f/s\n", 6006b640f62Smcbride (double)s->lcounters[i] / (double)runtime); 6016b640f62Smcbride else 6026b640f62Smcbride printf("%14s\n", ""); 6036b640f62Smcbride } 6046b640f62Smcbride } 60514a9b182Skjell } 60614a9b182Skjell 60714a9b182Skjell void 608fd777407Smcbride print_src_node(struct pf_src_node *sn, int opts) 609fd777407Smcbride { 610fd777407Smcbride struct pf_addr_wrap aw; 611fd777407Smcbride int min, sec; 612fd777407Smcbride 613fd777407Smcbride memset(&aw, 0, sizeof(aw)); 614fd777407Smcbride if (sn->af == AF_INET) 615fd777407Smcbride aw.v.a.mask.addr32[0] = 0xffffffff; 616fd777407Smcbride else 617fd777407Smcbride memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask)); 618fd777407Smcbride 619fd777407Smcbride aw.v.a.addr = sn->addr; 620fd777407Smcbride print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 621fd777407Smcbride printf(" -> "); 622fd777407Smcbride aw.v.a.addr = sn->raddr; 623fd777407Smcbride print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 6246b640f62Smcbride printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states, 6256b640f62Smcbride sn->conn, sn->conn_rate.count / 1000, 6266b640f62Smcbride (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds); 627fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 628fd777407Smcbride sec = sn->creation % 60; 629fd777407Smcbride sn->creation /= 60; 630fd777407Smcbride min = sn->creation % 60; 631fd777407Smcbride sn->creation /= 60; 632fd777407Smcbride printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec); 633fd777407Smcbride if (sn->states == 0) { 634fd777407Smcbride sec = sn->expire % 60; 635fd777407Smcbride sn->expire /= 60; 636fd777407Smcbride min = sn->expire % 60; 637fd777407Smcbride sn->expire /= 60; 638fd777407Smcbride printf(", expires in %.2u:%.2u:%.2u", 639fd777407Smcbride sn->expire, min, sec); 640fd777407Smcbride } 641b19e9e6fSmcbride printf(", %llu pkts, %llu bytes", 642b19e9e6fSmcbride sn->packets[0] + sn->packets[1], 64359b61cdeShenning sn->bytes[0] + sn->bytes[1]); 644fd777407Smcbride switch (sn->ruletype) { 645fd777407Smcbride case PF_NAT: 646fd777407Smcbride if (sn->rule.nr != -1) 647fd777407Smcbride printf(", nat rule %u", sn->rule.nr); 648fd777407Smcbride break; 649fd777407Smcbride case PF_RDR: 650fd777407Smcbride if (sn->rule.nr != -1) 651fd777407Smcbride printf(", rdr rule %u", sn->rule.nr); 652fd777407Smcbride break; 653fd777407Smcbride case PF_PASS: 654fd777407Smcbride if (sn->rule.nr != -1) 655fd777407Smcbride printf(", filter rule %u", sn->rule.nr); 656fd777407Smcbride break; 657fd777407Smcbride } 658fd777407Smcbride printf("\n"); 659fd777407Smcbride } 660fd777407Smcbride } 661fd777407Smcbride 662fd777407Smcbride void 663d9ad7941Sdhartmei print_rule(struct pf_rule *r, const char *anchor_call, int verbose) 66414a9b182Skjell { 6650e8bc214Saaron static const char *actiontypes[] = { "pass", "block", "scrub", 6660e8bc214Saaron "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr" }; 6671173271aScedric static const char *anchortypes[] = { "anchor", "anchor", "anchor", 6680e8bc214Saaron "anchor", "nat-anchor", "nat-anchor", "binat-anchor", 6690e8bc214Saaron "binat-anchor", "rdr-anchor", "rdr-anchor" }; 670cc5f0329Sdhartmei int i, opts; 671cc5f0329Sdhartmei 67274dc4fddShenning if (verbose) 67378baf774Sdhartmei printf("@%d ", r->nr); 6741173271aScedric if (r->action > PF_NORDR) 6751173271aScedric printf("action(%d)", r->action); 676305ca21dSmcbride else if (anchor_call[0]) { 677305ca21dSmcbride if (anchor_call[0] == '_') { 678305ca21dSmcbride printf("%s", anchortypes[r->action]); 679305ca21dSmcbride } else 680e77e5dc4Sjaredy printf("%s \"%s\"", anchortypes[r->action], 681e77e5dc4Sjaredy anchor_call); 682305ca21dSmcbride } else { 6831173271aScedric printf("%s", actiontypes[r->action]); 684fde34e86Shenning if (r->natpass) 685fde34e86Shenning printf(" pass"); 686fde34e86Shenning } 6871173271aScedric if (r->action == PF_DROP) { 6888a87542aShenning if (r->rule_flag & PFRULE_RETURN) 6898a87542aShenning printf(" return"); 6908a87542aShenning else if (r->rule_flag & PFRULE_RETURNRST) { 6911f77cc8aSpb if (!r->return_ttl) 69214a9b182Skjell printf(" return-rst"); 6931f77cc8aSpb else 6941f77cc8aSpb printf(" return-rst(ttl %d)", r->return_ttl); 695328b2decShenning } else if (r->rule_flag & PFRULE_RETURNICMP) { 696328b2decShenning const struct icmpcodeent *ic, *ic6; 697b996d042Sdhartmei 698b996d042Sdhartmei ic = geticmpcodebynumber(r->return_icmp >> 8, 699328b2decShenning r->return_icmp & 255, AF_INET); 700328b2decShenning ic6 = geticmpcodebynumber(r->return_icmp6 >> 8, 701328b2decShenning r->return_icmp6 & 255, AF_INET6); 702d14c53d7Swilfried 703328b2decShenning switch (r->af) { 704328b2decShenning case AF_INET: 705328b2decShenning printf(" return-icmp"); 706d14c53d7Swilfried if (ic == NULL) 707d14c53d7Swilfried printf("(%u)", r->return_icmp & 255); 708b996d042Sdhartmei else 709328b2decShenning printf("(%s)", ic->name); 710328b2decShenning break; 711328b2decShenning case AF_INET6: 712328b2decShenning printf(" return-icmp6"); 713328b2decShenning if (ic6 == NULL) 714328b2decShenning printf("(%u)", r->return_icmp6 & 255); 715328b2decShenning else 716328b2decShenning printf("(%s)", ic6->name); 717328b2decShenning break; 718328b2decShenning default: 719328b2decShenning printf(" return-icmp"); 720328b2decShenning if (ic == NULL) 721328b2decShenning printf("(%u, ", r->return_icmp & 255); 722328b2decShenning else 723328b2decShenning printf("(%s, ", ic->name); 724328b2decShenning if (ic6 == NULL) 725328b2decShenning printf("%u)", r->return_icmp6 & 255); 726328b2decShenning else 727328b2decShenning printf("%s)", ic6->name); 728328b2decShenning break; 729328b2decShenning } 730acf2444cShenning } else 731acf2444cShenning printf(" drop"); 7321173271aScedric } 7337189e280Sdhartmei if (r->direction == PF_IN) 73414a9b182Skjell printf(" in"); 7357189e280Sdhartmei else if (r->direction == PF_OUT) 73614a9b182Skjell printf(" out"); 737a46dc179Sdhartmei if (r->log) { 738a46dc179Sdhartmei printf(" log"); 739f565c2a8Shenning if (r->log & ~PF_LOG || r->logif) { 7401cb19346Sdhartmei int count = 0; 7411cb19346Sdhartmei 742a46dc179Sdhartmei printf(" ("); 7431cb19346Sdhartmei if (r->log & PF_LOG_ALL) 7441cb19346Sdhartmei printf("%sall", count++ ? ", " : ""); 745a46dc179Sdhartmei if (r->log & PF_LOG_SOCKET_LOOKUP) 7461cb19346Sdhartmei printf("%suser", count++ ? ", " : ""); 747f565c2a8Shenning if (r->logif) 748f565c2a8Shenning printf("%sto pflog%u", count++ ? ", " : "", 749f565c2a8Shenning r->logif); 750a46dc179Sdhartmei printf(")"); 751a46dc179Sdhartmei } 752a46dc179Sdhartmei } 75314a9b182Skjell if (r->quick) 75414a9b182Skjell printf(" quick"); 7557d0c9138Shenning if (r->ifname[0]) { 7567d0c9138Shenning if (r->ifnot) 7577d0c9138Shenning printf(" on ! %s", r->ifname); 7587d0c9138Shenning else 75914a9b182Skjell printf(" on %s", r->ifname); 7607d0c9138Shenning } 761cb3a4e31Sjasoni if (r->rt) { 762cb3a4e31Sjasoni if (r->rt == PF_ROUTETO) 763cb3a4e31Sjasoni printf(" route-to"); 764fa1cdd09Sdhartmei else if (r->rt == PF_REPLYTO) 765fa1cdd09Sdhartmei printf(" reply-to"); 766cb3a4e31Sjasoni else if (r->rt == PF_DUPTO) 767cb3a4e31Sjasoni printf(" dup-to"); 768cb3a4e31Sjasoni else if (r->rt == PF_FASTROUTE) 769cb3a4e31Sjasoni printf(" fastroute"); 770790504a6Sdhartmei if (r->rt != PF_FASTROUTE) { 771790504a6Sdhartmei printf(" "); 7721df6a140Scedric print_pool(&r->rpool, 0, 0, r->af, PF_PASS); 773790504a6Sdhartmei } 774cb3a4e31Sjasoni } 77530620b12Sfrantzen if (r->af) { 77630620b12Sfrantzen if (r->af == AF_INET) 77730620b12Sfrantzen printf(" inet"); 77830620b12Sfrantzen else 77930620b12Sfrantzen printf(" inet6"); 78030620b12Sfrantzen } 78114a9b182Skjell if (r->proto) { 782e4ebe044Shenning struct protoent *p; 783ed99c291Sderaadt 784e4ebe044Shenning if ((p = getprotobynumber(r->proto)) != NULL) 78514a9b182Skjell printf(" proto %s", p->p_name); 78614a9b182Skjell else 78714a9b182Skjell printf(" proto %u", r->proto); 78814a9b182Skjell } 78964b4b616Sfrantzen print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto, 79064b4b616Sfrantzen verbose); 791c16ab608Sdhartmei if (r->uid.op) 7921173271aScedric print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user", 7931173271aScedric UID_MAX); 794c16ab608Sdhartmei if (r->gid.op) 7951173271aScedric print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group", 7961173271aScedric GID_MAX); 79714a9b182Skjell if (r->flags || r->flagset) { 79814a9b182Skjell printf(" flags "); 79914a9b182Skjell print_flags(r->flags); 80014a9b182Skjell printf("/"); 80114a9b182Skjell print_flags(r->flagset); 802bd9b24faSmcbride } else if (r->action == PF_PASS && 803bd9b24faSmcbride (!r->proto || r->proto == IPPROTO_TCP) && 804bd9b24faSmcbride !(r->rule_flag & PFRULE_FRAGMENT) && 805be73131dSmcbride !anchor_call[0] && r->keep_state) 806bd9b24faSmcbride printf(" flags any"); 807082ebc44Swilfried if (r->type) { 808b49ca6bbShenning const struct icmptypeent *it; 809082ebc44Swilfried 810b49ca6bbShenning it = geticmptypebynumber(r->type-1, r->af); 811d14c53d7Swilfried if (r->af != AF_INET6) 812d14c53d7Swilfried printf(" icmp-type"); 813082ebc44Swilfried else 814d0cb3502Smcbride printf(" icmp6-type"); 815b49ca6bbShenning if (it != NULL) 816b49ca6bbShenning printf(" %s", it->name); 817d14c53d7Swilfried else 818d14c53d7Swilfried printf(" %u", r->type-1); 819082ebc44Swilfried if (r->code) { 820b49ca6bbShenning const struct icmpcodeent *ic; 821082ebc44Swilfried 822b49ca6bbShenning ic = geticmpcodebynumber(r->type-1, r->code-1, r->af); 823b49ca6bbShenning if (ic != NULL) 824b49ca6bbShenning printf(" code %s", ic->name); 825082ebc44Swilfried else 82614a9b182Skjell printf(" code %u", r->code-1); 827082ebc44Swilfried } 828082ebc44Swilfried } 829e4cbe364Sdhartmei if (r->tos) 830e4cbe364Sdhartmei printf(" tos 0x%2.2x", r->tos); 831bd9b24faSmcbride if (!r->keep_state && r->action == PF_PASS && !anchor_call[0]) 832f644f0ccSmcbride printf(" no state"); 833f644f0ccSmcbride else if (r->keep_state == PF_STATE_NORMAL) 83414a9b182Skjell printf(" keep state"); 835b96c47abSfrantzen else if (r->keep_state == PF_STATE_MODULATE) 836b96c47abSfrantzen printf(" modulate state"); 83752e0438eSdhartmei else if (r->keep_state == PF_STATE_SYNPROXY) 83852e0438eSdhartmei printf(" synproxy state"); 83938425613Scedric if (r->prob) { 84038425613Scedric char buf[20]; 84138425613Scedric 84238425613Scedric snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0)); 84338425613Scedric for (i = strlen(buf)-1; i > 0; i--) { 84438425613Scedric if (buf[i] == '0') 84538425613Scedric buf[i] = '\0'; 84638425613Scedric else { 84738425613Scedric if (buf[i] == '.') 84838425613Scedric buf[i] = '\0'; 84938425613Scedric break; 85038425613Scedric } 85138425613Scedric } 85238425613Scedric printf(" probability %s%%", buf); 85338425613Scedric } 854cc5f0329Sdhartmei opts = 0; 855fd777407Smcbride if (r->max_states || r->max_src_nodes || r->max_src_states) 856cc5f0329Sdhartmei opts = 1; 857af80fa86Smcbride if (r->rule_flag & PFRULE_NOSYNC) 858af80fa86Smcbride opts = 1; 859fd777407Smcbride if (r->rule_flag & PFRULE_SRCTRACK) 860fd777407Smcbride opts = 1; 861c1f13696Shenning if (r->rule_flag & PFRULE_IFBOUND) 862ec359bd5Scedric opts = 1; 863*4dc07d4cShenning if (r->rule_flag & PFRULE_STATESLOPPY) 864*4dc07d4cShenning opts = 1; 865cc5f0329Sdhartmei for (i = 0; !opts && i < PFTM_MAX; ++i) 866cc5f0329Sdhartmei if (r->timeout[i]) 867cc5f0329Sdhartmei opts = 1; 868cc5f0329Sdhartmei if (opts) { 869cc5f0329Sdhartmei printf(" ("); 870cc5f0329Sdhartmei if (r->max_states) { 871cc5f0329Sdhartmei printf("max %u", r->max_states); 872cc5f0329Sdhartmei opts = 0; 873cc5f0329Sdhartmei } 874af80fa86Smcbride if (r->rule_flag & PFRULE_NOSYNC) { 875af80fa86Smcbride if (!opts) 876af80fa86Smcbride printf(", "); 877af80fa86Smcbride printf("no-sync"); 878af80fa86Smcbride opts = 0; 879af80fa86Smcbride } 880fd777407Smcbride if (r->rule_flag & PFRULE_SRCTRACK) { 881fd777407Smcbride if (!opts) 882fd777407Smcbride printf(", "); 883fd777407Smcbride printf("source-track"); 884fd777407Smcbride if (r->rule_flag & PFRULE_RULESRCTRACK) 885fd777407Smcbride printf(" rule"); 886fd777407Smcbride else 887fd777407Smcbride printf(" global"); 888fd777407Smcbride opts = 0; 889fd777407Smcbride } 890fd777407Smcbride if (r->max_src_states) { 891fd777407Smcbride if (!opts) 892fd777407Smcbride printf(", "); 893fd777407Smcbride printf("max-src-states %u", r->max_src_states); 894fd777407Smcbride opts = 0; 895fd777407Smcbride } 8966b640f62Smcbride if (r->max_src_conn) { 8976b640f62Smcbride if (!opts) 8986b640f62Smcbride printf(", "); 8996b640f62Smcbride printf("max-src-conn %u", r->max_src_conn); 9006b640f62Smcbride opts = 0; 9016b640f62Smcbride } 9026b640f62Smcbride if (r->max_src_conn_rate.limit) { 9036b640f62Smcbride if (!opts) 9046b640f62Smcbride printf(", "); 9056b640f62Smcbride printf("max-src-conn-rate %u/%u", 9066b640f62Smcbride r->max_src_conn_rate.limit, 9076b640f62Smcbride r->max_src_conn_rate.seconds); 9086b640f62Smcbride opts = 0; 9096b640f62Smcbride } 910fd777407Smcbride if (r->max_src_nodes) { 911fd777407Smcbride if (!opts) 912fd777407Smcbride printf(", "); 913fd777407Smcbride printf("max-src-nodes %u", r->max_src_nodes); 914fd777407Smcbride opts = 0; 915fd777407Smcbride } 9166b640f62Smcbride if (r->overload_tblname[0]) { 9176b640f62Smcbride if (!opts) 9186b640f62Smcbride printf(", "); 9196b640f62Smcbride printf("overload <%s>", r->overload_tblname); 9201e320a53Sdhartmei if (r->flush) 9216b640f62Smcbride printf(" flush"); 9221e320a53Sdhartmei if (r->flush & PF_FLUSH_GLOBAL) 9231e320a53Sdhartmei printf(" global"); 9246b640f62Smcbride } 925ec359bd5Scedric if (r->rule_flag & PFRULE_IFBOUND) { 926ec359bd5Scedric if (!opts) 927ec359bd5Scedric printf(", "); 928ec359bd5Scedric printf("if-bound"); 929ec359bd5Scedric opts = 0; 930ec359bd5Scedric } 931*4dc07d4cShenning if (r->rule_flag & PFRULE_STATESLOPPY) { 932*4dc07d4cShenning if (!opts) 933*4dc07d4cShenning printf(", "); 934*4dc07d4cShenning printf("sloppy"); 935*4dc07d4cShenning opts = 0; 936*4dc07d4cShenning } 937cc5f0329Sdhartmei for (i = 0; i < PFTM_MAX; ++i) 938cc5f0329Sdhartmei if (r->timeout[i]) { 939ae233f99Sdhartmei int j; 940ae233f99Sdhartmei 941cc5f0329Sdhartmei if (!opts) 942cc5f0329Sdhartmei printf(", "); 943cc5f0329Sdhartmei opts = 0; 9447e5eec99Sdhartmei for (j = 0; pf_timeouts[j].name != NULL; 9457e5eec99Sdhartmei ++j) 946ae233f99Sdhartmei if (pf_timeouts[j].timeout == i) 947ae233f99Sdhartmei break; 9487e5eec99Sdhartmei printf("%s %u", pf_timeouts[j].name == NULL ? 9497e5eec99Sdhartmei "inv.timeout" : pf_timeouts[j].name, 9507e5eec99Sdhartmei r->timeout[i]); 951cc5f0329Sdhartmei } 952cc5f0329Sdhartmei printf(")"); 953cc5f0329Sdhartmei } 9546673dee2Sdhartmei if (r->rule_flag & PFRULE_FRAGMENT) 9556673dee2Sdhartmei printf(" fragment"); 95667d2a440Sprovos if (r->rule_flag & PFRULE_NODF) 95767d2a440Sprovos printf(" no-df"); 958edbe3066Sdhartmei if (r->rule_flag & PFRULE_RANDOMID) 959edbe3066Sdhartmei printf(" random-id"); 960e258bfd4Sprovos if (r->min_ttl) 96134c76dcbSprovos printf(" min-ttl %d", r->min_ttl); 962cfa91859Sjasoni if (r->max_mss) 963cfa91859Sjasoni printf(" max-mss %d", r->max_mss); 964682abe92Smarkus if (r->rule_flag & PFRULE_SET_TOS) 965682abe92Smarkus printf(" set-tos 0x%2.2x", r->set_tos); 966f48d62b3Sdhartmei if (r->allow_opts) 967f48d62b3Sdhartmei printf(" allow-opts"); 968b02af636Sfrantzen if (r->action == PF_SCRUB) { 9692b95ca55Sfrantzen if (r->rule_flag & PFRULE_REASSEMBLE_TCP) 9702b95ca55Sfrantzen printf(" reassemble tcp"); 9712b95ca55Sfrantzen 972b02af636Sfrantzen if (r->rule_flag & PFRULE_FRAGDROP) 973b02af636Sfrantzen printf(" fragment drop-ovl"); 974b02af636Sfrantzen else if (r->rule_flag & PFRULE_FRAGCROP) 975b02af636Sfrantzen printf(" fragment crop"); 976b02af636Sfrantzen else 977b02af636Sfrantzen printf(" fragment reassemble"); 978b02af636Sfrantzen } 979455ef0c1Sdhartmei if (r->label[0]) 980ff45dfa8Scamield printf(" label \"%s\"", r->label); 981f98324c6Shenning if (r->qname[0] && r->pqname[0]) 982f98324c6Shenning printf(" queue(%s, %s)", r->qname, r->pqname); 983f98324c6Shenning else if (r->qname[0]) 98478e1d2a6Shenning printf(" queue %s", r->qname); 9858aecb81aShenning if (r->tagname[0]) 9868aecb81aShenning printf(" tag %s", r->tagname); 98736369899Shenning if (r->match_tagname[0]) { 98836369899Shenning if (r->match_tag_not) 98936369899Shenning printf(" !"); 9900a5f7f2fShenning printf(" tagged %s", r->match_tagname); 99136369899Shenning } 9925e931757Shenning if (r->rtableid != -1) 9935e931757Shenning printf(" rtable %u", r->rtableid); 994eb900600Smarkus if (r->divert.port) { 995eb900600Smarkus if (PF_AZERO(&r->divert.addr, r->af)) { 996eb900600Smarkus printf(" divert-reply"); 997eb900600Smarkus } else { 998eb900600Smarkus /* XXX cut&paste from print_addr */ 999eb900600Smarkus char buf[48]; 1000eb900600Smarkus 1001eb900600Smarkus printf(" divert-to "); 1002eb900600Smarkus if (inet_ntop(r->af, &r->divert.addr, buf, 1003eb900600Smarkus sizeof(buf)) == NULL) 1004eb900600Smarkus printf("?"); 1005eb900600Smarkus else 1006eb900600Smarkus printf("%s", buf); 1007782435eaSmarkus printf(" port %u", ntohs(r->divert.port)); 1008eb900600Smarkus } 1009eb900600Smarkus } 1010d9ad7941Sdhartmei if (!anchor_call[0] && (r->action == PF_NAT || 1011d0aca2f2Shenning r->action == PF_BINAT || r->action == PF_RDR)) { 1012d0aca2f2Shenning printf(" -> "); 1013d0aca2f2Shenning print_pool(&r->rpool, r->rpool.proxy_port[0], 1014d0aca2f2Shenning r->rpool.proxy_port[1], r->af, r->action); 1015d0aca2f2Shenning } 101614a9b182Skjell } 101714a9b182Skjell 10185b6c447dScedric void 10195b6c447dScedric print_tabledef(const char *name, int flags, int addrs, 10205b6c447dScedric struct node_tinithead *nodes) 10215b6c447dScedric { 10225b6c447dScedric struct node_tinit *ti, *nti; 10235b6c447dScedric struct node_host *h; 10245b6c447dScedric 10255b6c447dScedric printf("table <%s>", name); 10265b6c447dScedric if (flags & PFR_TFLAG_CONST) 10275b6c447dScedric printf(" const"); 10285b6c447dScedric if (flags & PFR_TFLAG_PERSIST) 10295b6c447dScedric printf(" persist"); 10305b6c447dScedric SIMPLEQ_FOREACH(ti, nodes, entries) { 10315b6c447dScedric if (ti->file) { 10325b6c447dScedric printf(" file \"%s\"", ti->file); 10335b6c447dScedric continue; 10345b6c447dScedric } 10355b6c447dScedric printf(" {"); 10365b6c447dScedric for (;;) { 10375b6c447dScedric for (h = ti->host; h != NULL; h = h->next) { 10385b6c447dScedric printf(h->not ? " !" : " "); 10395b6c447dScedric print_addr(&h->addr, h->af, 0); 10405b6c447dScedric } 10415b6c447dScedric nti = SIMPLEQ_NEXT(ti, entries); 10425b6c447dScedric if (nti != NULL && nti->file == NULL) 10435b6c447dScedric ti = nti; /* merge lists */ 10445b6c447dScedric else 10455b6c447dScedric break; 10465b6c447dScedric } 10475b6c447dScedric printf(" }"); 10485b6c447dScedric } 10495b6c447dScedric if (addrs && SIMPLEQ_EMPTY(nodes)) 10505b6c447dScedric printf(" { }"); 10515b6c447dScedric printf("\n"); 10525b6c447dScedric } 10535b6c447dScedric 10541f8f21bdSmillert int 1055ff352a37Smarkus parse_flags(char *s) 105614a9b182Skjell { 1057ff352a37Smarkus char *p, *q; 105814a9b182Skjell u_int8_t f = 0; 105981a15e5dSderaadt 1060ff352a37Smarkus for (p = s; *p; p++) { 1061ff352a37Smarkus if ((q = strchr(tcpflags, *p)) == NULL) 1062ff352a37Smarkus return -1; 1063ff352a37Smarkus else 1064ff352a37Smarkus f |= 1 << (q - tcpflags); 106514a9b182Skjell } 1066bc795af0Shugh return (f ? f : PF_TH_ALL); 106714a9b182Skjell } 106894e9410bShenning 106994e9410bShenning void 107094e9410bShenning set_ipmask(struct node_host *h, u_int8_t b) 107194e9410bShenning { 107294e9410bShenning struct pf_addr *m, *n; 107394e9410bShenning int i, j = 0; 107494e9410bShenning 107594e9410bShenning m = &h->addr.v.a.mask; 1076ab648bf6Sfrantzen memset(m, 0, sizeof(*m)); 107794e9410bShenning 107894e9410bShenning while (b >= 32) { 107994e9410bShenning m->addr32[j++] = 0xffffffff; 108094e9410bShenning b -= 32; 108194e9410bShenning } 108294e9410bShenning for (i = 31; i > 31-b; --i) 108394e9410bShenning m->addr32[j] |= (1 << i); 108494e9410bShenning if (b) 108594e9410bShenning m->addr32[j] = htonl(m->addr32[j]); 108694e9410bShenning 108794e9410bShenning /* Mask off bits of the address that will never be used. */ 108894e9410bShenning n = &h->addr.v.a.addr; 1089ff626af1Shenning if (h->addr.type == PF_ADDR_ADDRMASK) 109094e9410bShenning for (i = 0; i < 4; i++) 109194e9410bShenning n->addr32[i] = n->addr32[i] & m->addr32[i]; 109294e9410bShenning } 109394e9410bShenning 109452f4a4a4Shenning int 109552f4a4a4Shenning check_netmask(struct node_host *h, sa_family_t af) 109652f4a4a4Shenning { 109752f4a4a4Shenning struct node_host *n = NULL; 109852f4a4a4Shenning struct pf_addr *m; 109952f4a4a4Shenning 110052f4a4a4Shenning for (n = h; n != NULL; n = n->next) { 110175d911b5Scedric if (h->addr.type == PF_ADDR_TABLE) 110275d911b5Scedric continue; 110352f4a4a4Shenning m = &h->addr.v.a.mask; 110452f4a4a4Shenning /* fix up netmask for dynaddr */ 110552f4a4a4Shenning if (af == AF_INET && h->addr.type == PF_ADDR_DYNIFTL && 110652f4a4a4Shenning unmask(m, AF_INET6) > 32) 110752f4a4a4Shenning set_ipmask(n, 32); 110852f4a4a4Shenning /* netmasks > 32 bit are invalid on v4 */ 110952f4a4a4Shenning if (af == AF_INET && 111052f4a4a4Shenning (m->addr32[1] || m->addr32[2] || m->addr32[3])) { 111152f4a4a4Shenning fprintf(stderr, "netmask %u invalid for IPv4 address\n", 111252f4a4a4Shenning unmask(m, AF_INET6)); 111352f4a4a4Shenning return (1); 111452f4a4a4Shenning } 111552f4a4a4Shenning } 111652f4a4a4Shenning return (0); 111752f4a4a4Shenning } 111852f4a4a4Shenning 111994e9410bShenning /* interface lookup routines */ 112094e9410bShenning 112194e9410bShenning struct node_host *iftab; 112294e9410bShenning 112394e9410bShenning void 112494e9410bShenning ifa_load(void) 112594e9410bShenning { 112694e9410bShenning struct ifaddrs *ifap, *ifa; 112794e9410bShenning struct node_host *n = NULL, *h = NULL; 112894e9410bShenning 112994e9410bShenning if (getifaddrs(&ifap) < 0) 113094e9410bShenning err(1, "getifaddrs"); 113194e9410bShenning 113294e9410bShenning for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 113394e9410bShenning if (!(ifa->ifa_addr->sa_family == AF_INET || 113494e9410bShenning ifa->ifa_addr->sa_family == AF_INET6 || 113594e9410bShenning ifa->ifa_addr->sa_family == AF_LINK)) 113694e9410bShenning continue; 113794e9410bShenning n = calloc(1, sizeof(struct node_host)); 113894e9410bShenning if (n == NULL) 113994e9410bShenning err(1, "address: calloc"); 114094e9410bShenning n->af = ifa->ifa_addr->sa_family; 114194e9410bShenning n->ifa_flags = ifa->ifa_flags; 114294e9410bShenning #ifdef __KAME__ 114394e9410bShenning if (n->af == AF_INET6 && 114494e9410bShenning IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *) 114594e9410bShenning ifa->ifa_addr)->sin6_addr) && 1146ab642153Shenning ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id == 1147ab642153Shenning 0) { 114894e9410bShenning struct sockaddr_in6 *sin6; 114994e9410bShenning 115094e9410bShenning sin6 = (struct sockaddr_in6 *)ifa->ifa_addr; 115194e9410bShenning sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 | 115294e9410bShenning sin6->sin6_addr.s6_addr[3]; 115394e9410bShenning sin6->sin6_addr.s6_addr[2] = 0; 115494e9410bShenning sin6->sin6_addr.s6_addr[3] = 0; 115594e9410bShenning } 115694e9410bShenning #endif 115794e9410bShenning n->ifindex = 0; 115894e9410bShenning if (n->af == AF_INET) { 115994e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in *) 116094e9410bShenning ifa->ifa_addr)->sin_addr.s_addr, 116194e9410bShenning sizeof(struct in_addr)); 116294e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in *) 116394e9410bShenning ifa->ifa_netmask)->sin_addr.s_addr, 116494e9410bShenning sizeof(struct in_addr)); 116594e9410bShenning if (ifa->ifa_broadaddr != NULL) 116694e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in *) 116794e9410bShenning ifa->ifa_broadaddr)->sin_addr.s_addr, 116894e9410bShenning sizeof(struct in_addr)); 1169ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1170ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in *) 1171ec359bd5Scedric ifa->ifa_dstaddr)->sin_addr.s_addr, 1172ec359bd5Scedric sizeof(struct in_addr)); 117394e9410bShenning } else if (n->af == AF_INET6) { 117494e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in6 *) 117594e9410bShenning ifa->ifa_addr)->sin6_addr.s6_addr, 117694e9410bShenning sizeof(struct in6_addr)); 117794e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in6 *) 117894e9410bShenning ifa->ifa_netmask)->sin6_addr.s6_addr, 117994e9410bShenning sizeof(struct in6_addr)); 118094e9410bShenning if (ifa->ifa_broadaddr != NULL) 118194e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in6 *) 118294e9410bShenning ifa->ifa_broadaddr)->sin6_addr.s6_addr, 118394e9410bShenning sizeof(struct in6_addr)); 1184ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1185ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in6 *) 1186ec359bd5Scedric ifa->ifa_dstaddr)->sin6_addr.s6_addr, 1187ec359bd5Scedric sizeof(struct in6_addr)); 118894e9410bShenning n->ifindex = ((struct sockaddr_in6 *) 118994e9410bShenning ifa->ifa_addr)->sin6_scope_id; 119094e9410bShenning } 119194e9410bShenning if ((n->ifname = strdup(ifa->ifa_name)) == NULL) 119294e9410bShenning err(1, "ifa_load: strdup"); 119394e9410bShenning n->next = NULL; 119494e9410bShenning n->tail = n; 119594e9410bShenning if (h == NULL) 119694e9410bShenning h = n; 119794e9410bShenning else { 119894e9410bShenning h->tail->next = n; 119994e9410bShenning h->tail = n; 120094e9410bShenning } 120194e9410bShenning } 1202ec359bd5Scedric 120394e9410bShenning iftab = h; 120494e9410bShenning freeifaddrs(ifap); 120594e9410bShenning } 120694e9410bShenning 120794e9410bShenning struct node_host * 12086c3582faShenning ifa_exists(const char *ifa_name) 120994e9410bShenning { 121094e9410bShenning struct node_host *n; 12112ff5b035Shenning struct ifgroupreq ifgr; 12122ff5b035Shenning int s; 121394e9410bShenning 121494e9410bShenning if (iftab == NULL) 121594e9410bShenning ifa_load(); 121694e9410bShenning 12172ff5b035Shenning /* check wether this is a group */ 12182ff5b035Shenning if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 12192ff5b035Shenning err(1, "socket"); 12202ff5b035Shenning bzero(&ifgr, sizeof(ifgr)); 12212ff5b035Shenning strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 12222ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == 0) { 12232ff5b035Shenning /* fake a node_host */ 12242ff5b035Shenning if ((n = calloc(1, sizeof(*n))) == NULL) 12252ff5b035Shenning err(1, "calloc"); 12262ff5b035Shenning if ((n->ifname = strdup(ifa_name)) == NULL) 12272ff5b035Shenning err(1, "strdup"); 12282ff5b035Shenning close(s); 12292ff5b035Shenning return (n); 12302ff5b035Shenning } 12312ff5b035Shenning close(s); 12322ff5b035Shenning 123394e9410bShenning for (n = iftab; n; n = n->next) { 123494e9410bShenning if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ)) 123594e9410bShenning return (n); 123694e9410bShenning } 1237655a9f8aShenning 123894e9410bShenning return (NULL); 123994e9410bShenning } 124094e9410bShenning 124194e9410bShenning struct node_host * 12422ff5b035Shenning ifa_grouplookup(const char *ifa_name, int flags) 12432ff5b035Shenning { 12442ff5b035Shenning struct ifg_req *ifg; 12452ff5b035Shenning struct ifgroupreq ifgr; 12462ff5b035Shenning int s, len; 1247727cb2f7Sdhartmei struct node_host *n, *h = NULL; 12482ff5b035Shenning 12492ff5b035Shenning if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 12502ff5b035Shenning err(1, "socket"); 12512ff5b035Shenning bzero(&ifgr, sizeof(ifgr)); 12522ff5b035Shenning strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 12532ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) { 12542ff5b035Shenning close(s); 12552ff5b035Shenning return (NULL); 12562ff5b035Shenning } 12572ff5b035Shenning 12582ff5b035Shenning len = ifgr.ifgr_len; 12592ff5b035Shenning if ((ifgr.ifgr_groups = calloc(1, len)) == NULL) 12602ff5b035Shenning err(1, "calloc"); 12612ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) 12622ff5b035Shenning err(1, "SIOCGIFGMEMB"); 12632ff5b035Shenning 12642ff5b035Shenning for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(struct ifg_req); 12652ff5b035Shenning ifg++) { 12662ff5b035Shenning len -= sizeof(struct ifg_req); 126717b44c41Shenning if ((n = ifa_lookup(ifg->ifgrq_member, flags)) == NULL) 126817b44c41Shenning continue; 12692ff5b035Shenning if (h == NULL) 12702ff5b035Shenning h = n; 12712ff5b035Shenning else { 1272727cb2f7Sdhartmei h->tail->next = n; 1273727cb2f7Sdhartmei h->tail = n->tail; 12742ff5b035Shenning } 12752ff5b035Shenning } 12762ff5b035Shenning free(ifgr.ifgr_groups); 12772ff5b035Shenning close(s); 12782ff5b035Shenning 12792ff5b035Shenning return (h); 12802ff5b035Shenning } 12812ff5b035Shenning 12822ff5b035Shenning struct node_host * 1283ec359bd5Scedric ifa_lookup(const char *ifa_name, int flags) 128494e9410bShenning { 128594e9410bShenning struct node_host *p = NULL, *h = NULL, *n = NULL; 12867ad220f2Scedric int got4 = 0, got6 = 0; 1287ec359bd5Scedric const char *last_if = NULL; 128894e9410bShenning 12892ff5b035Shenning if ((h = ifa_grouplookup(ifa_name, flags)) != NULL) 12902ff5b035Shenning return (h); 12912ff5b035Shenning 129294e9410bShenning if (!strncmp(ifa_name, "self", IFNAMSIZ)) 12937ad220f2Scedric ifa_name = NULL; 129494e9410bShenning 129594e9410bShenning if (iftab == NULL) 129694e9410bShenning ifa_load(); 129794e9410bShenning 129894e9410bShenning for (p = iftab; p; p = p->next) { 12997ad220f2Scedric if (ifa_skip_if(ifa_name, p)) 130094e9410bShenning continue; 1301ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET) 130294e9410bShenning continue; 1303ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && 1304ec359bd5Scedric !(p->ifa_flags & IFF_BROADCAST)) 130594e9410bShenning continue; 1306ec359bd5Scedric if ((flags & PFI_AFLAG_PEER) && 1307ec359bd5Scedric !(p->ifa_flags & IFF_POINTOPOINT)) 1308ec359bd5Scedric continue; 1309ec359bd5Scedric if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0) 1310ec359bd5Scedric continue; 1311ec359bd5Scedric if (last_if == NULL || strcmp(last_if, p->ifname)) 1312ec359bd5Scedric got4 = got6 = 0; 1313ec359bd5Scedric last_if = p->ifname; 1314ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4) 1315ec359bd5Scedric continue; 1316ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6) 1317ec359bd5Scedric continue; 1318ec359bd5Scedric if (p->af == AF_INET) 1319ec359bd5Scedric got4 = 1; 1320ec359bd5Scedric else 1321ec359bd5Scedric got6 = 1; 132294e9410bShenning n = calloc(1, sizeof(struct node_host)); 132394e9410bShenning if (n == NULL) 132494e9410bShenning err(1, "address: calloc"); 132594e9410bShenning n->af = p->af; 1326ec359bd5Scedric if (flags & PFI_AFLAG_BROADCAST) 132794e9410bShenning memcpy(&n->addr.v.a.addr, &p->bcast, 132894e9410bShenning sizeof(struct pf_addr)); 1329ec359bd5Scedric else if (flags & PFI_AFLAG_PEER) 1330ec359bd5Scedric memcpy(&n->addr.v.a.addr, &p->peer, 1331ec359bd5Scedric sizeof(struct pf_addr)); 133294e9410bShenning else 133394e9410bShenning memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr, 133494e9410bShenning sizeof(struct pf_addr)); 1335ec359bd5Scedric if (flags & PFI_AFLAG_NETWORK) 133694e9410bShenning set_ipmask(n, unmask(&p->addr.v.a.mask, n->af)); 133794e9410bShenning else { 133894e9410bShenning if (n->af == AF_INET) { 133994e9410bShenning if (p->ifa_flags & IFF_LOOPBACK && 134094e9410bShenning p->ifa_flags & IFF_LINK1) 134194e9410bShenning memcpy(&n->addr.v.a.mask, 134294e9410bShenning &p->addr.v.a.mask, 134394e9410bShenning sizeof(struct pf_addr)); 134494e9410bShenning else 134594e9410bShenning set_ipmask(n, 32); 134694e9410bShenning } else 134794e9410bShenning set_ipmask(n, 128); 134894e9410bShenning } 134994e9410bShenning n->ifindex = p->ifindex; 135094e9410bShenning 135194e9410bShenning n->next = NULL; 135294e9410bShenning n->tail = n; 135394e9410bShenning if (h == NULL) 135494e9410bShenning h = n; 135594e9410bShenning else { 135694e9410bShenning h->tail->next = n; 135794e9410bShenning h->tail = n; 135894e9410bShenning } 135994e9410bShenning } 136094e9410bShenning return (h); 136194e9410bShenning } 136294e9410bShenning 13637ad220f2Scedric int 13647ad220f2Scedric ifa_skip_if(const char *filter, struct node_host *p) 13657ad220f2Scedric { 13667ad220f2Scedric int n; 13677ad220f2Scedric 13687ad220f2Scedric if (p->af != AF_INET && p->af != AF_INET6) 13697ad220f2Scedric return (1); 13707ad220f2Scedric if (filter == NULL || !*filter) 13717ad220f2Scedric return (0); 13727ad220f2Scedric if (!strcmp(p->ifname, filter)) 13737ad220f2Scedric return (0); /* exact match */ 13747ad220f2Scedric n = strlen(filter); 13757ad220f2Scedric if (n < 1 || n >= IFNAMSIZ) 13767ad220f2Scedric return (1); /* sanity check */ 13777ad220f2Scedric if (filter[n-1] >= '0' && filter[n-1] <= '9') 13787ad220f2Scedric return (1); /* only do exact match in that case */ 13797ad220f2Scedric if (strncmp(p->ifname, filter, n)) 13807ad220f2Scedric return (1); /* prefix doesn't match */ 13817ad220f2Scedric return (p->ifname[n] < '0' || p->ifname[n] > '9'); 13827ad220f2Scedric } 13837ad220f2Scedric 13847ad220f2Scedric 138594e9410bShenning struct node_host * 1386f23861c1Shenning host(const char *s) 138794e9410bShenning { 13882a6c1abaShenning struct node_host *h = NULL; 1389f23861c1Shenning int mask, v4mask, v6mask, cont = 1; 1390f23861c1Shenning char *p, *q, *ps; 139194e9410bShenning 139294e9410bShenning if ((p = strrchr(s, '/')) != NULL) { 139394e9410bShenning mask = strtol(p+1, &q, 0); 1394fecc9cd0Shenning if (!q || *q || mask > 128 || q == (p+1)) { 13953f76a180Sdhartmei fprintf(stderr, "invalid netmask '%s'\n", p); 139694e9410bShenning return (NULL); 139794e9410bShenning } 1398a81c851cShenning if ((ps = malloc(strlen(s) - strlen(p) + 1)) == NULL) 139994e9410bShenning err(1, "host: malloc"); 140094e9410bShenning strlcpy(ps, s, strlen(s) - strlen(p) + 1); 140194e9410bShenning v4mask = v6mask = mask; 140294e9410bShenning } else { 1403f23861c1Shenning if ((ps = strdup(s)) == NULL) 1404f23861c1Shenning err(1, "host: strdup"); 140594e9410bShenning v4mask = 32; 140694e9410bShenning v6mask = 128; 1407f23861c1Shenning mask = -1; 140894e9410bShenning } 140994e9410bShenning 14102a6c1abaShenning /* interface with this name exists? */ 14114a36d485Shenning if (cont && (h = host_if(ps, mask)) != NULL) 14122a6c1abaShenning cont = 0; 14132a6c1abaShenning 14142a6c1abaShenning /* IPv4 address? */ 1415f23861c1Shenning if (cont && (h = host_v4(s, mask)) != NULL) 14162a6c1abaShenning cont = 0; 14172a6c1abaShenning 14182a6c1abaShenning /* IPv6 address? */ 14192a6c1abaShenning if (cont && (h = host_v6(ps, v6mask)) != NULL) 14202a6c1abaShenning cont = 0; 14212a6c1abaShenning 14222a6c1abaShenning /* dns lookup */ 14232a6c1abaShenning if (cont && (h = host_dns(ps, v4mask, v6mask)) != NULL) 14242a6c1abaShenning cont = 0; 14252a6c1abaShenning free(ps); 14262a6c1abaShenning 14272a6c1abaShenning if (h == NULL || cont == 1) { 14282a6c1abaShenning fprintf(stderr, "no IP address found for %s\n", s); 14292a6c1abaShenning return (NULL); 14302a6c1abaShenning } 14312a6c1abaShenning return (h); 14322a6c1abaShenning } 14332a6c1abaShenning 14342a6c1abaShenning struct node_host * 1435f2370d27Shenning host_if(const char *s, int mask) 14362a6c1abaShenning { 14372a6c1abaShenning struct node_host *n, *h = NULL; 14384a36d485Shenning char *p, *ps; 1439ec359bd5Scedric int flags = 0; 14402a6c1abaShenning 1441ec359bd5Scedric if ((ps = strdup(s)) == NULL) 1442ec359bd5Scedric err(1, "host_if: strdup"); 1443ec359bd5Scedric while ((p = strrchr(ps, ':')) != NULL) { 14444a36d485Shenning if (!strcmp(p+1, "network")) 1445ec359bd5Scedric flags |= PFI_AFLAG_NETWORK; 1446ec359bd5Scedric else if (!strcmp(p+1, "broadcast")) 1447ec359bd5Scedric flags |= PFI_AFLAG_BROADCAST; 1448ec359bd5Scedric else if (!strcmp(p+1, "peer")) 1449ec359bd5Scedric flags |= PFI_AFLAG_PEER; 1450ec359bd5Scedric else if (!strcmp(p+1, "0")) 1451ec359bd5Scedric flags |= PFI_AFLAG_NOALIAS; 1452f8bc5305Shenning else { 1453f8bc5305Shenning free(ps); 1454ec359bd5Scedric return (NULL); 1455f8bc5305Shenning } 1456ec359bd5Scedric *p = '\0'; 1457ec359bd5Scedric } 1458ec359bd5Scedric if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */ 1459ec359bd5Scedric fprintf(stderr, "illegal combination of interface modifiers\n"); 1460f8bc5305Shenning free(ps); 1461ec359bd5Scedric return (NULL); 1462ec359bd5Scedric } 1463ec359bd5Scedric if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) { 14644a36d485Shenning fprintf(stderr, "network or broadcast lookup, but " 14654a36d485Shenning "extra netmask given\n"); 1466f8bc5305Shenning free(ps); 14674a36d485Shenning return (NULL); 14684a36d485Shenning } 14696c3582faShenning if (ifa_exists(ps) || !strncmp(ps, "self", IFNAMSIZ)) { 14702a6c1abaShenning /* interface with this name exists */ 1471ec359bd5Scedric h = ifa_lookup(ps, flags); 14722a6c1abaShenning for (n = h; n != NULL && mask > -1; n = n->next) 14732a6c1abaShenning set_ipmask(n, mask); 14742a6c1abaShenning } 14754a36d485Shenning 14764a36d485Shenning free(ps); 14772a6c1abaShenning return (h); 14782a6c1abaShenning } 14792a6c1abaShenning 14802a6c1abaShenning struct node_host * 1481383ebbbfShenning host_v4(const char *s, int mask) 14822a6c1abaShenning { 14832a6c1abaShenning struct node_host *h = NULL; 14842a6c1abaShenning struct in_addr ina; 148590fffbb7Shenning int bits = 32; 14862a6c1abaShenning 148794e9410bShenning memset(&ina, 0, sizeof(struct in_addr)); 148890fffbb7Shenning if (strrchr(s, '/') != NULL) { 148990fffbb7Shenning if ((bits = inet_net_pton(AF_INET, s, &ina, sizeof(ina))) == -1) 149090fffbb7Shenning return (NULL); 149190fffbb7Shenning } else { 149290fffbb7Shenning if (inet_pton(AF_INET, s, &ina) != 1) 149390fffbb7Shenning return (NULL); 149490fffbb7Shenning } 149590fffbb7Shenning 149694e9410bShenning h = calloc(1, sizeof(struct node_host)); 149794e9410bShenning if (h == NULL) 149894e9410bShenning err(1, "address: calloc"); 149994e9410bShenning h->ifname = NULL; 150094e9410bShenning h->af = AF_INET; 150194e9410bShenning h->addr.v.a.addr.addr32[0] = ina.s_addr; 150294e9410bShenning set_ipmask(h, bits); 150394e9410bShenning h->next = NULL; 150494e9410bShenning h->tail = h; 15052a6c1abaShenning 150694e9410bShenning return (h); 150794e9410bShenning } 15082a6c1abaShenning 15092a6c1abaShenning struct node_host * 1510f2370d27Shenning host_v6(const char *s, int mask) 15112a6c1abaShenning { 15122a6c1abaShenning struct addrinfo hints, *res; 15132a6c1abaShenning struct node_host *h = NULL; 151494e9410bShenning 151594e9410bShenning memset(&hints, 0, sizeof(hints)); 151694e9410bShenning hints.ai_family = AF_INET6; 151794e9410bShenning hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 151894e9410bShenning hints.ai_flags = AI_NUMERICHOST; 15192a6c1abaShenning if (getaddrinfo(s, "0", &hints, &res) == 0) { 15202a6c1abaShenning h = calloc(1, sizeof(struct node_host)); 15212a6c1abaShenning if (h == NULL) 152294e9410bShenning err(1, "address: calloc"); 15232a6c1abaShenning h->ifname = NULL; 15242a6c1abaShenning h->af = AF_INET6; 15252a6c1abaShenning memcpy(&h->addr.v.a.addr, 152694e9410bShenning &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr, 15272a6c1abaShenning sizeof(h->addr.v.a.addr)); 15282a6c1abaShenning h->ifindex = 15292a6c1abaShenning ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 15302a6c1abaShenning set_ipmask(h, mask); 153194e9410bShenning freeaddrinfo(res); 15322a6c1abaShenning h->next = NULL; 15332a6c1abaShenning h->tail = h; 153494e9410bShenning } 153594e9410bShenning 15362a6c1abaShenning return (h); 15372a6c1abaShenning } 15382a6c1abaShenning 15392a6c1abaShenning struct node_host * 1540f2370d27Shenning host_dns(const char *s, int v4mask, int v6mask) 15412a6c1abaShenning { 15422a6c1abaShenning struct addrinfo hints, *res0, *res; 15432a6c1abaShenning struct node_host *n, *h = NULL; 1544ec359bd5Scedric int error, noalias = 0; 1545ec359bd5Scedric int got4 = 0, got6 = 0; 1546ec359bd5Scedric char *p, *ps; 15472a6c1abaShenning 1548ec359bd5Scedric if ((ps = strdup(s)) == NULL) 154922dee42fShenning err(1, "host_dns: strdup"); 1550ec359bd5Scedric if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) { 1551ec359bd5Scedric noalias = 1; 1552ec359bd5Scedric *p = '\0'; 1553ec359bd5Scedric } 155494e9410bShenning memset(&hints, 0, sizeof(hints)); 155594e9410bShenning hints.ai_family = PF_UNSPEC; 155694e9410bShenning hints.ai_socktype = SOCK_STREAM; /* DUMMY */ 1557ec359bd5Scedric error = getaddrinfo(ps, NULL, &hints, &res0); 1558b4d8b6eeShenning if (error) { 1559b4d8b6eeShenning free(ps); 15602a6c1abaShenning return (h); 1561b4d8b6eeShenning } 15622a6c1abaShenning 156394e9410bShenning for (res = res0; res; res = res->ai_next) { 156494e9410bShenning if (res->ai_family != AF_INET && 156594e9410bShenning res->ai_family != AF_INET6) 156694e9410bShenning continue; 1567ec359bd5Scedric if (noalias) { 1568ec359bd5Scedric if (res->ai_family == AF_INET) { 1569ec359bd5Scedric if (got4) 1570ec359bd5Scedric continue; 1571ec359bd5Scedric got4 = 1; 1572ec359bd5Scedric } else { 1573ec359bd5Scedric if (got6) 1574ec359bd5Scedric continue; 1575ec359bd5Scedric got6 = 1; 1576ec359bd5Scedric } 1577ec359bd5Scedric } 157894e9410bShenning n = calloc(1, sizeof(struct node_host)); 157994e9410bShenning if (n == NULL) 15802a6c1abaShenning err(1, "host_dns: calloc"); 158194e9410bShenning n->ifname = NULL; 158294e9410bShenning n->af = res->ai_family; 158394e9410bShenning if (res->ai_family == AF_INET) { 158494e9410bShenning memcpy(&n->addr.v.a.addr, 15852a6c1abaShenning &((struct sockaddr_in *) 15862a6c1abaShenning res->ai_addr)->sin_addr.s_addr, 158794e9410bShenning sizeof(struct in_addr)); 158894e9410bShenning set_ipmask(n, v4mask); 158994e9410bShenning } else { 159094e9410bShenning memcpy(&n->addr.v.a.addr, 15912a6c1abaShenning &((struct sockaddr_in6 *) 15922a6c1abaShenning res->ai_addr)->sin6_addr.s6_addr, 159394e9410bShenning sizeof(struct in6_addr)); 159494e9410bShenning n->ifindex = 15952a6c1abaShenning ((struct sockaddr_in6 *) 15962a6c1abaShenning res->ai_addr)->sin6_scope_id; 159794e9410bShenning set_ipmask(n, v6mask); 159894e9410bShenning } 159994e9410bShenning n->next = NULL; 160094e9410bShenning n->tail = n; 160194e9410bShenning if (h == NULL) 160294e9410bShenning h = n; 160394e9410bShenning else { 160494e9410bShenning h->tail->next = n; 160594e9410bShenning h->tail = n; 160694e9410bShenning } 160794e9410bShenning } 160894e9410bShenning freeaddrinfo(res0); 1609ec359bd5Scedric free(ps); 161094e9410bShenning 161194e9410bShenning return (h); 161294e9410bShenning } 161342e05679Scedric 161442e05679Scedric /* 161542e05679Scedric * convert a hostname to a list of addresses and put them in the given buffer. 161642e05679Scedric * test: 161742e05679Scedric * if set to 1, only simple addresses are accepted (no netblock, no "!"). 161842e05679Scedric */ 161942e05679Scedric int 162042e05679Scedric append_addr(struct pfr_buffer *b, char *s, int test) 162142e05679Scedric { 16225b6c447dScedric char *r; 1623b88a8d5dScedric struct node_host *h, *n; 1624b88a8d5dScedric int rv, not = 0; 16255b6c447dScedric 16265b6c447dScedric for (r = s; *r == '!'; r++) 16275b6c447dScedric not = !not; 16285b6c447dScedric if ((n = host(r)) == NULL) { 16295b6c447dScedric errno = 0; 16305b6c447dScedric return (-1); 16315b6c447dScedric } 1632b88a8d5dScedric rv = append_addr_host(b, n, test, not); 1633b88a8d5dScedric do { 1634b88a8d5dScedric h = n; 1635b88a8d5dScedric n = n->next; 1636b88a8d5dScedric free(h); 1637b88a8d5dScedric } while (n != NULL); 1638b88a8d5dScedric return (rv); 163942e05679Scedric } 164042e05679Scedric 164142e05679Scedric /* 16425b6c447dScedric * same as previous function, but with a pre-parsed input and the ability 1643b88a8d5dScedric * to "negate" the result. Does not free the node_host list. 164442e05679Scedric * not: 164542e05679Scedric * setting it to 1 is equivalent to adding "!" in front of parameter s. 164642e05679Scedric */ 164742e05679Scedric int 16485b6c447dScedric append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not) 164942e05679Scedric { 165042e05679Scedric int bits; 165142e05679Scedric struct pfr_addr addr; 165242e05679Scedric 165342e05679Scedric do { 165442e05679Scedric bzero(&addr, sizeof(addr)); 16555b6c447dScedric addr.pfra_not = n->not ^ not; 165642e05679Scedric addr.pfra_af = n->af; 165742e05679Scedric addr.pfra_net = unmask(&n->addr.v.a.mask, n->af); 165842e05679Scedric switch (n->af) { 165942e05679Scedric case AF_INET: 166042e05679Scedric addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0]; 166142e05679Scedric bits = 32; 166242e05679Scedric break; 166342e05679Scedric case AF_INET6: 166442e05679Scedric memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6, 166542e05679Scedric sizeof(struct in6_addr)); 166642e05679Scedric bits = 128; 166742e05679Scedric break; 166842e05679Scedric default: 166942e05679Scedric errno = EINVAL; 167042e05679Scedric return (-1); 167142e05679Scedric } 167242e05679Scedric if ((test && (not || addr.pfra_net != bits)) || 167342e05679Scedric addr.pfra_net > bits) { 167442e05679Scedric errno = EINVAL; 167542e05679Scedric return (-1); 167642e05679Scedric } 167742e05679Scedric if (pfr_buf_add(b, &addr)) 167842e05679Scedric return (-1); 1679b88a8d5dScedric } while ((n = n->next) != NULL); 168042e05679Scedric 168142e05679Scedric return (0); 168242e05679Scedric } 168379cc0068Scedric 168479cc0068Scedric int 1685d9ad7941Sdhartmei pfctl_add_trans(struct pfr_buffer *buf, int rs_num, const char *anchor) 168679cc0068Scedric { 168779cc0068Scedric struct pfioc_trans_e trans; 168879cc0068Scedric 168979cc0068Scedric bzero(&trans, sizeof(trans)); 169079cc0068Scedric trans.rs_num = rs_num; 169179cc0068Scedric if (strlcpy(trans.anchor, anchor, 1692d9ad7941Sdhartmei sizeof(trans.anchor)) >= sizeof(trans.anchor)) 169379cc0068Scedric errx(1, "pfctl_add_trans: strlcpy"); 169479cc0068Scedric 169579cc0068Scedric return pfr_buf_add(buf, &trans); 169679cc0068Scedric } 169779cc0068Scedric 169879cc0068Scedric u_int32_t 1699d9ad7941Sdhartmei pfctl_get_ticket(struct pfr_buffer *buf, int rs_num, const char *anchor) 170079cc0068Scedric { 170179cc0068Scedric struct pfioc_trans_e *p; 170279cc0068Scedric 170379cc0068Scedric PFRB_FOREACH(p, buf) 1704d9ad7941Sdhartmei if (rs_num == p->rs_num && !strcmp(anchor, p->anchor)) 170579cc0068Scedric return (p->ticket); 170622dee42fShenning errx(1, "pfctl_get_ticket: assertion failed"); 170779cc0068Scedric } 170879cc0068Scedric 170979cc0068Scedric int 17103060c195Shenning pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from) 171179cc0068Scedric { 171279cc0068Scedric struct pfioc_trans trans; 171379cc0068Scedric 171479cc0068Scedric bzero(&trans, sizeof(trans)); 171579cc0068Scedric trans.size = buf->pfrb_size - from; 171679cc0068Scedric trans.esize = sizeof(struct pfioc_trans_e); 171779cc0068Scedric trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from; 171879cc0068Scedric return ioctl(dev, cmd, &trans); 171979cc0068Scedric } 1720