1*a2fdc13dSmcbride /* $OpenBSD: pfctl_parser.c,v 1.262 2010/01/18 23:52:46 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 59*a2fdc13dSmcbride #define SYSLOG_NAMES 60*a2fdc13dSmcbride #include <syslog.h> 61*a2fdc13dSmcbride 6214a9b182Skjell #include "pfctl_parser.h" 63eb824e11Sderaadt #include "pfctl.h" 6414a9b182Skjell 655d9ac2dcSdhartmei void print_op (u_int8_t, const char *, const char *); 66132c30ccShenning void print_port (u_int8_t, u_int16_t, u_int16_t, const char *); 671173271aScedric void print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned); 6881a15e5dSderaadt void print_flags (u_int8_t); 6964b4b616Sfrantzen void print_fromto(struct pf_rule_addr *, pf_osfp_t, 7064b4b616Sfrantzen struct pf_rule_addr *, u_int8_t, u_int8_t, int); 717ad220f2Scedric int ifa_skip_if(const char *filter, struct node_host *p); 7214a9b182Skjell 732ff5b035Shenning struct node_host *ifa_grouplookup(const char *, int); 74f2370d27Shenning struct node_host *host_if(const char *, int); 75383ebbbfShenning struct node_host *host_v4(const char *, int); 76f2370d27Shenning struct node_host *host_v6(const char *, int); 77f2370d27Shenning struct node_host *host_dns(const char *, int, int); 782a6c1abaShenning 79361e311cShenning const char *tcpflags = "FSRPAUEW"; 8014a9b182Skjell 817d27d81aSdhartmei static const struct icmptypeent icmp_type[] = { 82082ebc44Swilfried { "echoreq", ICMP_ECHO }, 83082ebc44Swilfried { "echorep", ICMP_ECHOREPLY }, 84082ebc44Swilfried { "unreach", ICMP_UNREACH }, 85082ebc44Swilfried { "squench", ICMP_SOURCEQUENCH }, 86082ebc44Swilfried { "redir", ICMP_REDIRECT }, 87082ebc44Swilfried { "althost", ICMP_ALTHOSTADDR }, 88082ebc44Swilfried { "routeradv", ICMP_ROUTERADVERT }, 89082ebc44Swilfried { "routersol", ICMP_ROUTERSOLICIT }, 90082ebc44Swilfried { "timex", ICMP_TIMXCEED }, 91082ebc44Swilfried { "paramprob", ICMP_PARAMPROB }, 92082ebc44Swilfried { "timereq", ICMP_TSTAMP }, 93082ebc44Swilfried { "timerep", ICMP_TSTAMPREPLY }, 94082ebc44Swilfried { "inforeq", ICMP_IREQ }, 95082ebc44Swilfried { "inforep", ICMP_IREQREPLY }, 96082ebc44Swilfried { "maskreq", ICMP_MASKREQ }, 9702cbcc9eSwilfried { "maskrep", ICMP_MASKREPLY }, 9802cbcc9eSwilfried { "trace", ICMP_TRACEROUTE }, 9902cbcc9eSwilfried { "dataconv", ICMP_DATACONVERR }, 10002cbcc9eSwilfried { "mobredir", ICMP_MOBILE_REDIRECT }, 10102cbcc9eSwilfried { "ipv6-where", ICMP_IPV6_WHEREAREYOU }, 10202cbcc9eSwilfried { "ipv6-here", ICMP_IPV6_IAMHERE }, 10302cbcc9eSwilfried { "mobregreq", ICMP_MOBILE_REGREQUEST }, 10402cbcc9eSwilfried { "mobregrep", ICMP_MOBILE_REGREPLY }, 10502cbcc9eSwilfried { "skip", ICMP_SKIP }, 10602cbcc9eSwilfried { "photuris", ICMP_PHOTURIS } 107082ebc44Swilfried }; 108082ebc44Swilfried 1097d27d81aSdhartmei static const struct icmptypeent icmp6_type[] = { 11030620b12Sfrantzen { "unreach", ICMP6_DST_UNREACH }, 11130620b12Sfrantzen { "toobig", ICMP6_PACKET_TOO_BIG }, 11230620b12Sfrantzen { "timex", ICMP6_TIME_EXCEEDED }, 11330620b12Sfrantzen { "paramprob", ICMP6_PARAM_PROB }, 11430620b12Sfrantzen { "echoreq", ICMP6_ECHO_REQUEST }, 11530620b12Sfrantzen { "echorep", ICMP6_ECHO_REPLY }, 11630620b12Sfrantzen { "groupqry", ICMP6_MEMBERSHIP_QUERY }, 11722a58e88Sitojun { "listqry", MLD_LISTENER_QUERY }, 11830620b12Sfrantzen { "grouprep", ICMP6_MEMBERSHIP_REPORT }, 11922a58e88Sitojun { "listenrep", MLD_LISTENER_REPORT }, 12030620b12Sfrantzen { "groupterm", ICMP6_MEMBERSHIP_REDUCTION }, 12122a58e88Sitojun { "listendone", MLD_LISTENER_DONE }, 12230620b12Sfrantzen { "routersol", ND_ROUTER_SOLICIT }, 12330620b12Sfrantzen { "routeradv", ND_ROUTER_ADVERT }, 12430620b12Sfrantzen { "neighbrsol", ND_NEIGHBOR_SOLICIT }, 12530620b12Sfrantzen { "neighbradv", ND_NEIGHBOR_ADVERT }, 12630620b12Sfrantzen { "redir", ND_REDIRECT }, 12730620b12Sfrantzen { "routrrenum", ICMP6_ROUTER_RENUMBERING }, 12830620b12Sfrantzen { "wrureq", ICMP6_WRUREQUEST }, 12930620b12Sfrantzen { "wrurep", ICMP6_WRUREPLY }, 13030620b12Sfrantzen { "fqdnreq", ICMP6_FQDN_QUERY }, 13130620b12Sfrantzen { "fqdnrep", ICMP6_FQDN_REPLY }, 13230620b12Sfrantzen { "niqry", ICMP6_NI_QUERY }, 13330620b12Sfrantzen { "nirep", ICMP6_NI_REPLY }, 13422a58e88Sitojun { "mtraceresp", MLD_MTRACE_RESP }, 13522a58e88Sitojun { "mtrace", MLD_MTRACE } 13630620b12Sfrantzen }; 13730620b12Sfrantzen 1387d27d81aSdhartmei static const struct icmpcodeent icmp_code[] = { 139082ebc44Swilfried { "net-unr", ICMP_UNREACH, ICMP_UNREACH_NET }, 140082ebc44Swilfried { "host-unr", ICMP_UNREACH, ICMP_UNREACH_HOST }, 141082ebc44Swilfried { "proto-unr", ICMP_UNREACH, ICMP_UNREACH_PROTOCOL }, 142082ebc44Swilfried { "port-unr", ICMP_UNREACH, ICMP_UNREACH_PORT }, 143082ebc44Swilfried { "needfrag", ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG }, 144082ebc44Swilfried { "srcfail", ICMP_UNREACH, ICMP_UNREACH_SRCFAIL }, 145082ebc44Swilfried { "net-unk", ICMP_UNREACH, ICMP_UNREACH_NET_UNKNOWN }, 146082ebc44Swilfried { "host-unk", ICMP_UNREACH, ICMP_UNREACH_HOST_UNKNOWN }, 147082ebc44Swilfried { "isolate", ICMP_UNREACH, ICMP_UNREACH_ISOLATED }, 148082ebc44Swilfried { "net-prohib", ICMP_UNREACH, ICMP_UNREACH_NET_PROHIB }, 149082ebc44Swilfried { "host-prohib", ICMP_UNREACH, ICMP_UNREACH_HOST_PROHIB }, 150082ebc44Swilfried { "net-tos", ICMP_UNREACH, ICMP_UNREACH_TOSNET }, 151082ebc44Swilfried { "host-tos", ICMP_UNREACH, ICMP_UNREACH_TOSHOST }, 152082ebc44Swilfried { "filter-prohib", ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB }, 153082ebc44Swilfried { "host-preced", ICMP_UNREACH, ICMP_UNREACH_HOST_PRECEDENCE }, 154082ebc44Swilfried { "cutoff-preced", ICMP_UNREACH, ICMP_UNREACH_PRECEDENCE_CUTOFF }, 155082ebc44Swilfried { "redir-net", ICMP_REDIRECT, ICMP_REDIRECT_NET }, 156082ebc44Swilfried { "redir-host", ICMP_REDIRECT, ICMP_REDIRECT_HOST }, 157082ebc44Swilfried { "redir-tos-net", ICMP_REDIRECT, ICMP_REDIRECT_TOSNET }, 158082ebc44Swilfried { "redir-tos-host", ICMP_REDIRECT, ICMP_REDIRECT_TOSHOST }, 15902cbcc9eSwilfried { "normal-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NORMAL }, 16002cbcc9eSwilfried { "common-adv", ICMP_ROUTERADVERT, ICMP_ROUTERADVERT_NOROUTE_COMMON }, 161082ebc44Swilfried { "transit", ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS }, 162082ebc44Swilfried { "reassemb", ICMP_TIMXCEED, ICMP_TIMXCEED_REASS }, 163082ebc44Swilfried { "badhead", ICMP_PARAMPROB, ICMP_PARAMPROB_ERRATPTR }, 164082ebc44Swilfried { "optmiss", ICMP_PARAMPROB, ICMP_PARAMPROB_OPTABSENT }, 16502cbcc9eSwilfried { "badlen", ICMP_PARAMPROB, ICMP_PARAMPROB_LENGTH }, 16602cbcc9eSwilfried { "unknown-ind", ICMP_PHOTURIS, ICMP_PHOTURIS_UNKNOWN_INDEX }, 16702cbcc9eSwilfried { "auth-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_AUTH_FAILED }, 16802cbcc9eSwilfried { "decrypt-fail", ICMP_PHOTURIS, ICMP_PHOTURIS_DECRYPT_FAILED } 169082ebc44Swilfried }; 170082ebc44Swilfried 1717d27d81aSdhartmei static const struct icmpcodeent icmp6_code[] = { 1721d32ee3bSdhartmei { "admin-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADMIN }, 1731d32ee3bSdhartmei { "noroute-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOROUTE }, 17430620b12Sfrantzen { "notnbr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOTNEIGHBOR }, 17530620b12Sfrantzen { "beyond-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_BEYONDSCOPE }, 17630620b12Sfrantzen { "addr-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR }, 17730620b12Sfrantzen { "port-unr", ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT }, 17830620b12Sfrantzen { "transit", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_TRANSIT }, 17930620b12Sfrantzen { "reassemb", ICMP6_TIME_EXCEEDED, ICMP6_TIME_EXCEED_REASSEMBLY }, 18030620b12Sfrantzen { "badhead", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_HEADER }, 18130620b12Sfrantzen { "nxthdr", ICMP6_PARAM_PROB, ICMP6_PARAMPROB_NEXTHEADER }, 18230620b12Sfrantzen { "redironlink", ND_REDIRECT, ND_REDIRECT_ONLINK }, 18330620b12Sfrantzen { "redirrouter", ND_REDIRECT, ND_REDIRECT_ROUTER } 18430620b12Sfrantzen }; 18530620b12Sfrantzen 186d593fb91Sdrahn const struct pf_timeout pf_timeouts[] = { 187d593fb91Sdrahn { "tcp.first", PFTM_TCP_FIRST_PACKET }, 188d593fb91Sdrahn { "tcp.opening", PFTM_TCP_OPENING }, 189d593fb91Sdrahn { "tcp.established", PFTM_TCP_ESTABLISHED }, 190d593fb91Sdrahn { "tcp.closing", PFTM_TCP_CLOSING }, 191d593fb91Sdrahn { "tcp.finwait", PFTM_TCP_FIN_WAIT }, 192d593fb91Sdrahn { "tcp.closed", PFTM_TCP_CLOSED }, 19398d12bd8Sfrantzen { "tcp.tsdiff", PFTM_TS_DIFF }, 194d593fb91Sdrahn { "udp.first", PFTM_UDP_FIRST_PACKET }, 195d593fb91Sdrahn { "udp.single", PFTM_UDP_SINGLE }, 196d593fb91Sdrahn { "udp.multiple", PFTM_UDP_MULTIPLE }, 197d593fb91Sdrahn { "icmp.first", PFTM_ICMP_FIRST_PACKET }, 198d593fb91Sdrahn { "icmp.error", PFTM_ICMP_ERROR_REPLY }, 199d593fb91Sdrahn { "other.first", PFTM_OTHER_FIRST_PACKET }, 200d593fb91Sdrahn { "other.single", PFTM_OTHER_SINGLE }, 201d593fb91Sdrahn { "other.multiple", PFTM_OTHER_MULTIPLE }, 202d593fb91Sdrahn { "frag", PFTM_FRAG }, 203d593fb91Sdrahn { "interval", PFTM_INTERVAL }, 204a85e74a5Sdhartmei { "adaptive.start", PFTM_ADAPTIVE_START }, 205a85e74a5Sdhartmei { "adaptive.end", PFTM_ADAPTIVE_END }, 206fd777407Smcbride { "src.track", PFTM_SRC_NODE }, 207d593fb91Sdrahn { NULL, 0 } 208d593fb91Sdrahn }; 209d593fb91Sdrahn 2107d27d81aSdhartmei const struct icmptypeent * 211bb9f691eSmcbride geticmptypebynumber(u_int8_t type, sa_family_t af) 212082ebc44Swilfried { 213ed99c291Sderaadt unsigned int i; 214082ebc44Swilfried 215d14c53d7Swilfried if (af != AF_INET6) { 216e4ebe044Shenning for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0])); 217e4ebe044Shenning i++) { 218082ebc44Swilfried if (type == icmp_type[i].type) 219082ebc44Swilfried return (&icmp_type[i]); 220082ebc44Swilfried } 22130620b12Sfrantzen } else { 22230620b12Sfrantzen for (i=0; i < (sizeof (icmp6_type) / 22330620b12Sfrantzen sizeof(icmp6_type[0])); i++) { 22430620b12Sfrantzen if (type == icmp6_type[i].type) 22530620b12Sfrantzen return (&icmp6_type[i]); 22630620b12Sfrantzen } 22730620b12Sfrantzen } 22830620b12Sfrantzen return (NULL); 229082ebc44Swilfried } 230082ebc44Swilfried 2317d27d81aSdhartmei const struct icmptypeent * 232bb9f691eSmcbride geticmptypebyname(char *w, sa_family_t af) 233082ebc44Swilfried { 234ed99c291Sderaadt unsigned int i; 235082ebc44Swilfried 236d14c53d7Swilfried if (af != AF_INET6) { 237e4ebe044Shenning for (i=0; i < (sizeof (icmp_type) / sizeof(icmp_type[0])); 238e4ebe044Shenning i++) { 239082ebc44Swilfried if (!strcmp(w, icmp_type[i].name)) 240082ebc44Swilfried return (&icmp_type[i]); 241082ebc44Swilfried } 24230620b12Sfrantzen } else { 24330620b12Sfrantzen for (i=0; i < (sizeof (icmp6_type) / 24430620b12Sfrantzen sizeof(icmp6_type[0])); i++) { 24530620b12Sfrantzen if (!strcmp(w, icmp6_type[i].name)) 24630620b12Sfrantzen return (&icmp6_type[i]); 24730620b12Sfrantzen } 24830620b12Sfrantzen } 24930620b12Sfrantzen return (NULL); 250082ebc44Swilfried } 251082ebc44Swilfried 2527d27d81aSdhartmei const struct icmpcodeent * 253bb9f691eSmcbride geticmpcodebynumber(u_int8_t type, u_int8_t code, sa_family_t af) 254082ebc44Swilfried { 255ed99c291Sderaadt unsigned int i; 256082ebc44Swilfried 257d14c53d7Swilfried if (af != AF_INET6) { 258e4ebe044Shenning for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0])); 259e4ebe044Shenning i++) { 26030620b12Sfrantzen if (type == icmp_code[i].type && 26130620b12Sfrantzen code == icmp_code[i].code) 262082ebc44Swilfried return (&icmp_code[i]); 263082ebc44Swilfried } 26430620b12Sfrantzen } else { 26530620b12Sfrantzen for (i=0; i < (sizeof (icmp6_code) / 26630620b12Sfrantzen sizeof(icmp6_code[0])); i++) { 26730620b12Sfrantzen if (type == icmp6_code[i].type && 26830620b12Sfrantzen code == icmp6_code[i].code) 26930620b12Sfrantzen return (&icmp6_code[i]); 27030620b12Sfrantzen } 27130620b12Sfrantzen } 27230620b12Sfrantzen return (NULL); 273082ebc44Swilfried } 274082ebc44Swilfried 2757d27d81aSdhartmei const struct icmpcodeent * 276bb9f691eSmcbride geticmpcodebyname(u_long type, char *w, sa_family_t af) 277082ebc44Swilfried { 278ed99c291Sderaadt unsigned int i; 279082ebc44Swilfried 280d14c53d7Swilfried if (af != AF_INET6) { 281e4ebe044Shenning for (i=0; i < (sizeof (icmp_code) / sizeof(icmp_code[0])); 282e4ebe044Shenning i++) { 28330620b12Sfrantzen if (type == icmp_code[i].type && 28430620b12Sfrantzen !strcmp(w, icmp_code[i].name)) 285082ebc44Swilfried return (&icmp_code[i]); 286082ebc44Swilfried } 28730620b12Sfrantzen } else { 28830620b12Sfrantzen for (i=0; i < (sizeof (icmp6_code) / 28930620b12Sfrantzen sizeof(icmp6_code[0])); i++) { 29030620b12Sfrantzen if (type == icmp6_code[i].type && 29130620b12Sfrantzen !strcmp(w, icmp6_code[i].name)) 29230620b12Sfrantzen return (&icmp6_code[i]); 29330620b12Sfrantzen } 29430620b12Sfrantzen } 29530620b12Sfrantzen return (NULL); 29630620b12Sfrantzen } 29730620b12Sfrantzen 298*a2fdc13dSmcbride /* 299*a2fdc13dSmcbride * Decode a symbolic name to a numeric value. 300*a2fdc13dSmcbride * From syslogd. 301*a2fdc13dSmcbride */ 302*a2fdc13dSmcbride int 303*a2fdc13dSmcbride string_to_loglevel(const char *name) 304*a2fdc13dSmcbride { 305*a2fdc13dSmcbride CODE *c; 306*a2fdc13dSmcbride char *p, buf[40]; 307*a2fdc13dSmcbride 308*a2fdc13dSmcbride if (isdigit(*name)) 309*a2fdc13dSmcbride return (atoi(name)); 310*a2fdc13dSmcbride 311*a2fdc13dSmcbride for (p = buf; *name && p < &buf[sizeof(buf) - 1]; p++, name++) { 312*a2fdc13dSmcbride if (isupper(*name)) 313*a2fdc13dSmcbride *p = tolower(*name); 314*a2fdc13dSmcbride else 315*a2fdc13dSmcbride *p = *name; 316*a2fdc13dSmcbride } 317*a2fdc13dSmcbride *p = '\0'; 318*a2fdc13dSmcbride for (c = prioritynames; c->c_name; c++) 319*a2fdc13dSmcbride if (!strcmp(buf, c->c_name)) 320*a2fdc13dSmcbride return (c->c_val); 321*a2fdc13dSmcbride 322*a2fdc13dSmcbride return (-1); 323*a2fdc13dSmcbride } 324*a2fdc13dSmcbride 325*a2fdc13dSmcbride const char * 326*a2fdc13dSmcbride loglevel_to_string(int level) 327*a2fdc13dSmcbride { 328*a2fdc13dSmcbride CODE *c; 329*a2fdc13dSmcbride 330*a2fdc13dSmcbride for (c = prioritynames; c->c_name; c++) 331*a2fdc13dSmcbride if (c->c_val == level) 332*a2fdc13dSmcbride return (c->c_name); 333*a2fdc13dSmcbride 334*a2fdc13dSmcbride return ("unknown"); 335*a2fdc13dSmcbride } 336*a2fdc13dSmcbride 33781a15e5dSderaadt void 3385d9ac2dcSdhartmei print_op(u_int8_t op, const char *a1, const char *a2) 3395d9ac2dcSdhartmei { 3405d9ac2dcSdhartmei if (op == PF_OP_IRG) 3415d9ac2dcSdhartmei printf(" %s >< %s", a1, a2); 3425d9ac2dcSdhartmei else if (op == PF_OP_XRG) 3435d9ac2dcSdhartmei printf(" %s <> %s", a1, a2); 3441308506cShenning else if (op == PF_OP_EQ) 3455d9ac2dcSdhartmei printf(" = %s", a1); 3461308506cShenning else if (op == PF_OP_NE) 3475d9ac2dcSdhartmei printf(" != %s", a1); 3481308506cShenning else if (op == PF_OP_LT) 3495d9ac2dcSdhartmei printf(" < %s", a1); 3505d9ac2dcSdhartmei else if (op == PF_OP_LE) 3515d9ac2dcSdhartmei printf(" <= %s", a1); 3525d9ac2dcSdhartmei else if (op == PF_OP_GT) 3535d9ac2dcSdhartmei printf(" > %s", a1); 3545d9ac2dcSdhartmei else if (op == PF_OP_GE) 3555d9ac2dcSdhartmei printf(" >= %s", a1); 3568da4e377Smcbride else if (op == PF_OP_RRG) 3578da4e377Smcbride printf(" %s:%s", a1, a2); 3585d9ac2dcSdhartmei } 3595d9ac2dcSdhartmei 3605d9ac2dcSdhartmei void 361132c30ccShenning print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto) 36214a9b182Skjell { 363e31d21c9Sdhartmei char a1[6], a2[6]; 364e4ebe044Shenning struct servent *s; 36581a15e5dSderaadt 366e4ebe044Shenning s = getservbyport(p1, proto); 36714a9b182Skjell p1 = ntohs(p1); 36814a9b182Skjell p2 = ntohs(p2); 3695d9ac2dcSdhartmei snprintf(a1, sizeof(a1), "%u", p1); 3705d9ac2dcSdhartmei snprintf(a2, sizeof(a2), "%u", p2); 37114a9b182Skjell printf(" port"); 3725d9ac2dcSdhartmei if (s != NULL && (op == PF_OP_EQ || op == PF_OP_NE)) 3735d9ac2dcSdhartmei print_op(op, s->s_name, a2); 37414a9b182Skjell else 3755d9ac2dcSdhartmei print_op(op, a1, a2); 3765d9ac2dcSdhartmei } 3775d9ac2dcSdhartmei 3785d9ac2dcSdhartmei void 3791173271aScedric print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax) 3805d9ac2dcSdhartmei { 381d8fcd2dfSdhartmei char a1[11], a2[11]; 3825d9ac2dcSdhartmei 3835d9ac2dcSdhartmei snprintf(a1, sizeof(a1), "%u", u1); 3845d9ac2dcSdhartmei snprintf(a2, sizeof(a2), "%u", u2); 3855d9ac2dcSdhartmei printf(" %s", t); 3861173271aScedric if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE)) 387c16ab608Sdhartmei print_op(op, "unknown", a2); 388c16ab608Sdhartmei else 389c16ab608Sdhartmei print_op(op, a1, a2); 390c16ab608Sdhartmei } 391c16ab608Sdhartmei 392c16ab608Sdhartmei void 39314a9b182Skjell print_flags(u_int8_t f) 39414a9b182Skjell { 39514a9b182Skjell int i; 39681a15e5dSderaadt 397bc795af0Shugh for (i = 0; tcpflags[i]; ++i) 39814a9b182Skjell if (f & (1 << i)) 39914a9b182Skjell printf("%c", tcpflags[i]); 40014a9b182Skjell } 40114a9b182Skjell 40214a9b182Skjell void 40364b4b616Sfrantzen print_fromto(struct pf_rule_addr *src, pf_osfp_t osfp, struct pf_rule_addr *dst, 40444f5ed0aScedric sa_family_t af, u_int8_t proto, int verbose) 40515e76891Sdhartmei { 40664b4b616Sfrantzen char buf[PF_OSFP_LEN*3]; 4071173271aScedric if (src->addr.type == PF_ADDR_ADDRMASK && 4081173271aScedric dst->addr.type == PF_ADDR_ADDRMASK && 409bcf142a4Sdhartmei PF_AZERO(&src->addr.v.a.addr, AF_INET6) && 410bcf142a4Sdhartmei PF_AZERO(&src->addr.v.a.mask, AF_INET6) && 4111173271aScedric PF_AZERO(&dst->addr.v.a.addr, AF_INET6) && 4121173271aScedric PF_AZERO(&dst->addr.v.a.mask, AF_INET6) && 413d4008a34Sdhartmei !src->neg && !dst->neg && 41464b4b616Sfrantzen !src->port_op && !dst->port_op && 41564b4b616Sfrantzen osfp == PF_OSFP_ANY) 41615e76891Sdhartmei printf(" all"); 41715e76891Sdhartmei else { 41815e76891Sdhartmei printf(" from "); 419d4008a34Sdhartmei if (src->neg) 42015e76891Sdhartmei printf("! "); 42144f5ed0aScedric print_addr(&src->addr, af, verbose); 42215e76891Sdhartmei if (src->port_op) 42315e76891Sdhartmei print_port(src->port_op, src->port[0], 42415e76891Sdhartmei src->port[1], 42515e76891Sdhartmei proto == IPPROTO_TCP ? "tcp" : "udp"); 42664b4b616Sfrantzen if (osfp != PF_OSFP_ANY) 42764b4b616Sfrantzen printf(" os \"%s\"", pfctl_lookup_fingerprint(osfp, buf, 42864b4b616Sfrantzen sizeof(buf))); 42915e76891Sdhartmei 43015e76891Sdhartmei printf(" to "); 431d4008a34Sdhartmei if (dst->neg) 43215e76891Sdhartmei printf("! "); 43344f5ed0aScedric print_addr(&dst->addr, af, verbose); 43415e76891Sdhartmei if (dst->port_op) 43515e76891Sdhartmei print_port(dst->port_op, dst->port[0], 43615e76891Sdhartmei dst->port[1], 43715e76891Sdhartmei proto == IPPROTO_TCP ? "tcp" : "udp"); 43815e76891Sdhartmei } 43915e76891Sdhartmei } 44015e76891Sdhartmei 44115e76891Sdhartmei void 442e0c302d0Smcbride print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2, 44336754172Smcbride sa_family_t af, int id, int verbose) 4443a44df3cSmcbride { 44536754172Smcbride if (pool->ifname[0]) { 446a2f57b9fSmcbride if (!PF_AZERO(&pool->addr.v.a.addr, af)) { 44736754172Smcbride print_addr(&pool->addr, af, verbose); 448a2f57b9fSmcbride printf("@"); 449a2f57b9fSmcbride } 450a2f57b9fSmcbride printf("%s", pool->ifname); 45136754172Smcbride } else 45236754172Smcbride print_addr(&pool->addr, af, verbose); 453e0c302d0Smcbride switch (id) { 454e8793aa9Smcbride case PF_NAT: 4559782f7a2Smcbride if ((p1 != PF_NAT_PROXY_PORT_LOW || 4569782f7a2Smcbride p2 != PF_NAT_PROXY_PORT_HIGH) && (p1 != 0 || p2 != 0)) { 457e0c302d0Smcbride if (p1 == p2) 458e0c302d0Smcbride printf(" port %u", p1); 459e0c302d0Smcbride else 460e0c302d0Smcbride printf(" port %u:%u", p1, p2); 461e0c302d0Smcbride } 462e0c302d0Smcbride break; 463e8793aa9Smcbride case PF_RDR: 464e0c302d0Smcbride if (p1) { 4658da4e377Smcbride printf(" port %u", p1); 4668da4e377Smcbride if (p2 && (p2 != p1)) 4678da4e377Smcbride printf(":%u", p2); 468e0c302d0Smcbride } 469e0c302d0Smcbride break; 470e0c302d0Smcbride default: 471e0c302d0Smcbride break; 472e0c302d0Smcbride } 473e0c302d0Smcbride switch (pool->opts & PF_POOL_TYPEMASK) { 474e0c302d0Smcbride case PF_POOL_NONE: 475e0c302d0Smcbride break; 476e0c302d0Smcbride case PF_POOL_BITMASK: 477e0c302d0Smcbride printf(" bitmask"); 478e0c302d0Smcbride break; 479e0c302d0Smcbride case PF_POOL_RANDOM: 480e0c302d0Smcbride printf(" random"); 481e0c302d0Smcbride break; 482e0c302d0Smcbride case PF_POOL_SRCHASH: 4830436fa02Smcbride printf(" source-hash 0x%08x%08x%08x%08x", 484e0c302d0Smcbride pool->key.key32[0], pool->key.key32[1], 485e0c302d0Smcbride pool->key.key32[2], pool->key.key32[3]); 486e0c302d0Smcbride break; 487e0c302d0Smcbride case PF_POOL_ROUNDROBIN: 488e0c302d0Smcbride printf(" round-robin"); 489e0c302d0Smcbride break; 490e0c302d0Smcbride } 491fd777407Smcbride if (pool->opts & PF_POOL_STICKYADDR) 492fd777407Smcbride printf(" sticky-address"); 4939782f7a2Smcbride if (id == PF_NAT && p1 == 0 && p2 == 0) 494e0c302d0Smcbride printf(" static-port"); 4953a44df3cSmcbride } 4963a44df3cSmcbride 497132c30ccShenning const char *pf_reasons[PFRES_MAX+1] = PFRES_NAMES; 4986b640f62Smcbride const char *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES; 499132c30ccShenning const char *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES; 500fd777407Smcbride const char *pf_scounters[FCNT_MAX+1] = FCNT_NAMES; 50199a73934Sderaadt 50214a9b182Skjell void 503fd777407Smcbride print_status(struct pf_status *s, int opts) 50414a9b182Skjell { 505*a2fdc13dSmcbride char statline[80], *running, *debug; 506c474e331Shenning time_t runtime; 50799a73934Sderaadt int i; 508a1973c63Ssturm char buf[PF_MD5_DIGEST_LENGTH * 2 + 1]; 509010eb8d3Smpf static const char hex[] = "0123456789abcdef"; 51099a73934Sderaadt 511c474e331Shenning runtime = time(NULL) - s->since; 5125191b30fScedric running = s->running ? "Enabled" : "Disabled"; 513c474e331Shenning 5145191b30fScedric if (s->since) { 515db93f2f1Sderaadt unsigned int sec, min, hrs, day = runtime; 516d85e4ad6Sdhartmei 517d85e4ad6Sdhartmei sec = day % 60; 518d85e4ad6Sdhartmei day /= 60; 519d85e4ad6Sdhartmei min = day % 60; 520d85e4ad6Sdhartmei day /= 60; 521d85e4ad6Sdhartmei hrs = day % 24; 522d85e4ad6Sdhartmei day /= 24; 523c474e331Shenning snprintf(statline, sizeof(statline), 5245191b30fScedric "Status: %s for %u days %.2u:%.2u:%.2u", 5255191b30fScedric running, day, hrs, min, sec); 526d85e4ad6Sdhartmei } else 5275191b30fScedric snprintf(statline, sizeof(statline), "Status: %s", running); 528c97b4ee1Shenning printf("%-44s", statline); 529*a2fdc13dSmcbride asprintf(&debug, "Debug: %s", loglevel_to_string(s->debug)); 530*a2fdc13dSmcbride printf("%15s\n\n", debug); 531f6e85b8dSmcbride 532f6e85b8dSmcbride if (opts & PF_OPT_VERBOSE) { 533010eb8d3Smpf printf("Hostid: 0x%08x\n", ntohl(s->hostid)); 534010eb8d3Smpf 535a1973c63Ssturm for (i = 0; i < PF_MD5_DIGEST_LENGTH; i++) { 536010eb8d3Smpf buf[i + i] = hex[s->pf_chksum[i] >> 4]; 537010eb8d3Smpf buf[i + i + 1] = hex[s->pf_chksum[i] & 0x0f]; 538010eb8d3Smpf } 539010eb8d3Smpf buf[i + i] = '\0'; 540010eb8d3Smpf printf("Checksum: 0x%s\n\n", buf); 541f6e85b8dSmcbride } 542010eb8d3Smpf 543c474e331Shenning if (s->ifname[0] != 0) { 544c474e331Shenning printf("Interface Stats for %-16s %5s %16s\n", 545c474e331Shenning s->ifname, "IPv4", "IPv6"); 546c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes In", 547ef22e615Sdhartmei (unsigned long long)s->bcounters[0][0], 548ef22e615Sdhartmei (unsigned long long)s->bcounters[1][0]); 549c474e331Shenning printf(" %-25s %14llu %16llu\n", "Bytes Out", 550ef22e615Sdhartmei (unsigned long long)s->bcounters[0][1], 551ef22e615Sdhartmei (unsigned long long)s->bcounters[1][1]); 552c474e331Shenning printf(" Packets In\n"); 553c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 554ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_PASS], 555ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_PASS]); 556c474e331Shenning printf(" %-23s %14llu %16llu\n", "Blocked", 557ef22e615Sdhartmei (unsigned long long)s->pcounters[0][0][PF_DROP], 558ef22e615Sdhartmei (unsigned long long)s->pcounters[1][0][PF_DROP]); 559c474e331Shenning printf(" Packets Out\n"); 560c474e331Shenning printf(" %-23s %14llu %16llu\n", "Passed", 561ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_PASS], 562ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_PASS]); 563c474e331Shenning printf(" %-23s %14llu %16llu\n\n", "Blocked", 564ef22e615Sdhartmei (unsigned long long)s->pcounters[0][1][PF_DROP], 565ef22e615Sdhartmei (unsigned long long)s->pcounters[1][1][PF_DROP]); 566c474e331Shenning } 567c474e331Shenning printf("%-27s %14s %16s\n", "State Table", "Total", "Rate"); 568c474e331Shenning printf(" %-25s %14u %14s\n", "current entries", s->states, ""); 569c474e331Shenning for (i = 0; i < FCNT_MAX; i++) { 570ea4ec064Sitojun printf(" %-25s %14llu ", pf_fcounters[i], 571ea4ec064Sitojun (unsigned long long)s->fcounters[i]); 572c474e331Shenning if (runtime > 0) 573c474e331Shenning printf("%14.1f/s\n", 574c474e331Shenning (double)s->fcounters[i] / (double)runtime); 575c474e331Shenning else 576c474e331Shenning printf("%14s\n", ""); 577c474e331Shenning } 578fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 579fd777407Smcbride printf("Source Tracking Table\n"); 580fd777407Smcbride printf(" %-25s %14u %14s\n", "current entries", 581fd777407Smcbride s->src_nodes, ""); 582fd777407Smcbride for (i = 0; i < SCNT_MAX; i++) { 583fd777407Smcbride printf(" %-25s %14lld ", pf_scounters[i], 584fd777407Smcbride s->scounters[i]); 585fd777407Smcbride if (runtime > 0) 586fd777407Smcbride printf("%14.1f/s\n", 587fd777407Smcbride (double)s->scounters[i] / (double)runtime); 588fd777407Smcbride else 589fd777407Smcbride printf("%14s\n", ""); 590fd777407Smcbride } 591fd777407Smcbride } 59299a73934Sderaadt printf("Counters\n"); 593c474e331Shenning for (i = 0; i < PFRES_MAX; i++) { 594ea4ec064Sitojun printf(" %-25s %14llu ", pf_reasons[i], 595ea4ec064Sitojun (unsigned long long)s->counters[i]); 596c474e331Shenning if (runtime > 0) 597c474e331Shenning printf("%14.1f/s\n", 598c474e331Shenning (double)s->counters[i] / (double)runtime); 599c474e331Shenning else 600c474e331Shenning printf("%14s\n", ""); 601c474e331Shenning } 6026b640f62Smcbride if (opts & PF_OPT_VERBOSE) { 6036b640f62Smcbride printf("Limit Counters\n"); 6046b640f62Smcbride for (i = 0; i < LCNT_MAX; i++) { 6056b640f62Smcbride printf(" %-25s %14lld ", pf_lcounters[i], 6066b640f62Smcbride s->lcounters[i]); 6076b640f62Smcbride if (runtime > 0) 6086b640f62Smcbride printf("%14.1f/s\n", 6096b640f62Smcbride (double)s->lcounters[i] / (double)runtime); 6106b640f62Smcbride else 6116b640f62Smcbride printf("%14s\n", ""); 6126b640f62Smcbride } 6136b640f62Smcbride } 61414a9b182Skjell } 61514a9b182Skjell 61614a9b182Skjell void 617fd777407Smcbride print_src_node(struct pf_src_node *sn, int opts) 618fd777407Smcbride { 619fd777407Smcbride struct pf_addr_wrap aw; 620fd777407Smcbride int min, sec; 621fd777407Smcbride 622fd777407Smcbride memset(&aw, 0, sizeof(aw)); 623fd777407Smcbride if (sn->af == AF_INET) 624fd777407Smcbride aw.v.a.mask.addr32[0] = 0xffffffff; 625fd777407Smcbride else 626fd777407Smcbride memset(&aw.v.a.mask, 0xff, sizeof(aw.v.a.mask)); 627fd777407Smcbride 628fd777407Smcbride aw.v.a.addr = sn->addr; 629fd777407Smcbride print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 630c3e2fff9Shenning 631c3e2fff9Shenning if (!PF_AZERO(&sn->raddr, sn->af)) { 632c3e2fff9Shenning if (sn->type == PF_SN_NAT) 633c3e2fff9Shenning printf(" nat-to "); 634c3e2fff9Shenning else if (sn->type == PF_SN_RDR) 635c3e2fff9Shenning printf(" rdr-to "); 636c3e2fff9Shenning else if (sn->type == PF_SN_ROUTE) 637c3e2fff9Shenning printf(" route-to "); 638c3e2fff9Shenning else 639c3e2fff9Shenning printf(" ??? (%u) ", sn->type); 640fd777407Smcbride aw.v.a.addr = sn->raddr; 641fd777407Smcbride print_addr(&aw, sn->af, opts & PF_OPT_VERBOSE2); 642c3e2fff9Shenning } 643c3e2fff9Shenning 6446b640f62Smcbride printf(" ( states %u, connections %u, rate %u.%u/%us )\n", sn->states, 6456b640f62Smcbride sn->conn, sn->conn_rate.count / 1000, 6466b640f62Smcbride (sn->conn_rate.count % 1000) / 100, sn->conn_rate.seconds); 647fd777407Smcbride if (opts & PF_OPT_VERBOSE) { 648fd777407Smcbride sec = sn->creation % 60; 649fd777407Smcbride sn->creation /= 60; 650fd777407Smcbride min = sn->creation % 60; 651fd777407Smcbride sn->creation /= 60; 652fd777407Smcbride printf(" age %.2u:%.2u:%.2u", sn->creation, min, sec); 653fd777407Smcbride if (sn->states == 0) { 654fd777407Smcbride sec = sn->expire % 60; 655fd777407Smcbride sn->expire /= 60; 656fd777407Smcbride min = sn->expire % 60; 657fd777407Smcbride sn->expire /= 60; 658fd777407Smcbride printf(", expires in %.2u:%.2u:%.2u", 659fd777407Smcbride sn->expire, min, sec); 660fd777407Smcbride } 661b19e9e6fSmcbride printf(", %llu pkts, %llu bytes", 662b19e9e6fSmcbride sn->packets[0] + sn->packets[1], 66359b61cdeShenning sn->bytes[0] + sn->bytes[1]); 664fd777407Smcbride if (sn->rule.nr != -1) 665c3e2fff9Shenning printf(", rule %u", sn->rule.nr); 666fd777407Smcbride printf("\n"); 667fd777407Smcbride } 668fd777407Smcbride } 669fd777407Smcbride 670fd777407Smcbride void 671d9ad7941Sdhartmei print_rule(struct pf_rule *r, const char *anchor_call, int verbose) 67214a9b182Skjell { 6730e8bc214Saaron static const char *actiontypes[] = { "pass", "block", "scrub", 674e9953237Shenning "no scrub", "nat", "no nat", "binat", "no binat", "rdr", "no rdr", 675e9953237Shenning "", "", "match"}; 6761173271aScedric static const char *anchortypes[] = { "anchor", "anchor", "anchor", 6770e8bc214Saaron "anchor", "nat-anchor", "nat-anchor", "binat-anchor", 6780e8bc214Saaron "binat-anchor", "rdr-anchor", "rdr-anchor" }; 679cc5f0329Sdhartmei int i, opts; 680cc5f0329Sdhartmei 68174dc4fddShenning if (verbose) 68278baf774Sdhartmei printf("@%d ", r->nr); 683e9953237Shenning if (r->action > PF_MATCH) 6841173271aScedric printf("action(%d)", r->action); 685305ca21dSmcbride else if (anchor_call[0]) { 686305ca21dSmcbride if (anchor_call[0] == '_') { 687305ca21dSmcbride printf("%s", anchortypes[r->action]); 688305ca21dSmcbride } else 689e77e5dc4Sjaredy printf("%s \"%s\"", anchortypes[r->action], 690e77e5dc4Sjaredy anchor_call); 691e151341fShenning } else 6921173271aScedric printf("%s", actiontypes[r->action]); 6931173271aScedric if (r->action == PF_DROP) { 6948a87542aShenning if (r->rule_flag & PFRULE_RETURN) 6958a87542aShenning printf(" return"); 6968a87542aShenning else if (r->rule_flag & PFRULE_RETURNRST) { 6971f77cc8aSpb if (!r->return_ttl) 69814a9b182Skjell printf(" return-rst"); 6991f77cc8aSpb else 7001f77cc8aSpb printf(" return-rst(ttl %d)", r->return_ttl); 701328b2decShenning } else if (r->rule_flag & PFRULE_RETURNICMP) { 702328b2decShenning const struct icmpcodeent *ic, *ic6; 703b996d042Sdhartmei 704b996d042Sdhartmei ic = geticmpcodebynumber(r->return_icmp >> 8, 705328b2decShenning r->return_icmp & 255, AF_INET); 706328b2decShenning ic6 = geticmpcodebynumber(r->return_icmp6 >> 8, 707328b2decShenning r->return_icmp6 & 255, AF_INET6); 708d14c53d7Swilfried 709328b2decShenning switch (r->af) { 710328b2decShenning case AF_INET: 711328b2decShenning printf(" return-icmp"); 712d14c53d7Swilfried if (ic == NULL) 713d14c53d7Swilfried printf("(%u)", r->return_icmp & 255); 714b996d042Sdhartmei else 715328b2decShenning printf("(%s)", ic->name); 716328b2decShenning break; 717328b2decShenning case AF_INET6: 718328b2decShenning printf(" return-icmp6"); 719328b2decShenning if (ic6 == NULL) 720328b2decShenning printf("(%u)", r->return_icmp6 & 255); 721328b2decShenning else 722328b2decShenning printf("(%s)", ic6->name); 723328b2decShenning break; 724328b2decShenning default: 725328b2decShenning printf(" return-icmp"); 726328b2decShenning if (ic == NULL) 727328b2decShenning printf("(%u, ", r->return_icmp & 255); 728328b2decShenning else 729328b2decShenning printf("(%s, ", ic->name); 730328b2decShenning if (ic6 == NULL) 731328b2decShenning printf("%u)", r->return_icmp6 & 255); 732328b2decShenning else 733328b2decShenning printf("%s)", ic6->name); 734328b2decShenning break; 735328b2decShenning } 736acf2444cShenning } else 737acf2444cShenning printf(" drop"); 7381173271aScedric } 7397189e280Sdhartmei if (r->direction == PF_IN) 74014a9b182Skjell printf(" in"); 7417189e280Sdhartmei else if (r->direction == PF_OUT) 74214a9b182Skjell printf(" out"); 743a46dc179Sdhartmei if (r->log) { 744a46dc179Sdhartmei printf(" log"); 745f565c2a8Shenning if (r->log & ~PF_LOG || r->logif) { 7461cb19346Sdhartmei int count = 0; 7471cb19346Sdhartmei 748a46dc179Sdhartmei printf(" ("); 7491cb19346Sdhartmei if (r->log & PF_LOG_ALL) 7501cb19346Sdhartmei printf("%sall", count++ ? ", " : ""); 751a46dc179Sdhartmei if (r->log & PF_LOG_SOCKET_LOOKUP) 7521cb19346Sdhartmei printf("%suser", count++ ? ", " : ""); 753f565c2a8Shenning if (r->logif) 754f565c2a8Shenning printf("%sto pflog%u", count++ ? ", " : "", 755f565c2a8Shenning r->logif); 756a46dc179Sdhartmei printf(")"); 757a46dc179Sdhartmei } 758a46dc179Sdhartmei } 75914a9b182Skjell if (r->quick) 76014a9b182Skjell printf(" quick"); 7617d0c9138Shenning if (r->ifname[0]) { 7627d0c9138Shenning if (r->ifnot) 7637d0c9138Shenning printf(" on ! %s", r->ifname); 7647d0c9138Shenning else 76514a9b182Skjell printf(" on %s", r->ifname); 7667d0c9138Shenning } 76730620b12Sfrantzen if (r->af) { 76830620b12Sfrantzen if (r->af == AF_INET) 76930620b12Sfrantzen printf(" inet"); 77030620b12Sfrantzen else 77130620b12Sfrantzen printf(" inet6"); 77230620b12Sfrantzen } 77314a9b182Skjell if (r->proto) { 774e4ebe044Shenning struct protoent *p; 775ed99c291Sderaadt 776e4ebe044Shenning if ((p = getprotobynumber(r->proto)) != NULL) 77714a9b182Skjell printf(" proto %s", p->p_name); 77814a9b182Skjell else 77914a9b182Skjell printf(" proto %u", r->proto); 78014a9b182Skjell } 78164b4b616Sfrantzen print_fromto(&r->src, r->os_fingerprint, &r->dst, r->af, r->proto, 78264b4b616Sfrantzen verbose); 78395b43208Sdlg if (r->rcv_ifname[0]) 78495b43208Sdlg printf(" received-on %s", r->rcv_ifname); 785c16ab608Sdhartmei if (r->uid.op) 7861173271aScedric print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user", 7871173271aScedric UID_MAX); 788c16ab608Sdhartmei if (r->gid.op) 7891173271aScedric print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group", 7901173271aScedric GID_MAX); 79114a9b182Skjell if (r->flags || r->flagset) { 79214a9b182Skjell printf(" flags "); 79314a9b182Skjell print_flags(r->flags); 79414a9b182Skjell printf("/"); 79514a9b182Skjell print_flags(r->flagset); 796e9953237Shenning } else if ((r->action == PF_PASS || r->action == PF_MATCH) && 797bd9b24faSmcbride (!r->proto || r->proto == IPPROTO_TCP) && 798bd9b24faSmcbride !(r->rule_flag & PFRULE_FRAGMENT) && 799be73131dSmcbride !anchor_call[0] && r->keep_state) 800bd9b24faSmcbride printf(" flags any"); 801082ebc44Swilfried if (r->type) { 802b49ca6bbShenning const struct icmptypeent *it; 803082ebc44Swilfried 804b49ca6bbShenning it = geticmptypebynumber(r->type-1, r->af); 805d14c53d7Swilfried if (r->af != AF_INET6) 806d14c53d7Swilfried printf(" icmp-type"); 807082ebc44Swilfried else 808d0cb3502Smcbride printf(" icmp6-type"); 809b49ca6bbShenning if (it != NULL) 810b49ca6bbShenning printf(" %s", it->name); 811d14c53d7Swilfried else 812d14c53d7Swilfried printf(" %u", r->type-1); 813082ebc44Swilfried if (r->code) { 814b49ca6bbShenning const struct icmpcodeent *ic; 815082ebc44Swilfried 816b49ca6bbShenning ic = geticmpcodebynumber(r->type-1, r->code-1, r->af); 817b49ca6bbShenning if (ic != NULL) 818b49ca6bbShenning printf(" code %s", ic->name); 819082ebc44Swilfried else 82014a9b182Skjell printf(" code %u", r->code-1); 821082ebc44Swilfried } 822082ebc44Swilfried } 823e4cbe364Sdhartmei if (r->tos) 824e4cbe364Sdhartmei printf(" tos 0x%2.2x", r->tos); 825bd9b24faSmcbride if (!r->keep_state && r->action == PF_PASS && !anchor_call[0]) 826f644f0ccSmcbride printf(" no state"); 827f644f0ccSmcbride else if (r->keep_state == PF_STATE_NORMAL) 82814a9b182Skjell printf(" keep state"); 829b96c47abSfrantzen else if (r->keep_state == PF_STATE_MODULATE) 830b96c47abSfrantzen printf(" modulate state"); 83152e0438eSdhartmei else if (r->keep_state == PF_STATE_SYNPROXY) 83252e0438eSdhartmei printf(" synproxy state"); 83338425613Scedric if (r->prob) { 83438425613Scedric char buf[20]; 83538425613Scedric 83638425613Scedric snprintf(buf, sizeof(buf), "%f", r->prob*100.0/(UINT_MAX+1.0)); 83738425613Scedric for (i = strlen(buf)-1; i > 0; i--) { 83838425613Scedric if (buf[i] == '0') 83938425613Scedric buf[i] = '\0'; 84038425613Scedric else { 84138425613Scedric if (buf[i] == '.') 84238425613Scedric buf[i] = '\0'; 84338425613Scedric break; 84438425613Scedric } 84538425613Scedric } 84638425613Scedric printf(" probability %s%%", buf); 84738425613Scedric } 848cc5f0329Sdhartmei opts = 0; 849fd777407Smcbride if (r->max_states || r->max_src_nodes || r->max_src_states) 850cc5f0329Sdhartmei opts = 1; 851af80fa86Smcbride if (r->rule_flag & PFRULE_NOSYNC) 852af80fa86Smcbride opts = 1; 853fd777407Smcbride if (r->rule_flag & PFRULE_SRCTRACK) 854fd777407Smcbride opts = 1; 855c1f13696Shenning if (r->rule_flag & PFRULE_IFBOUND) 856ec359bd5Scedric opts = 1; 8574dc07d4cShenning if (r->rule_flag & PFRULE_STATESLOPPY) 8584dc07d4cShenning opts = 1; 859cc5f0329Sdhartmei for (i = 0; !opts && i < PFTM_MAX; ++i) 860cc5f0329Sdhartmei if (r->timeout[i]) 861cc5f0329Sdhartmei opts = 1; 862cc5f0329Sdhartmei if (opts) { 863cc5f0329Sdhartmei printf(" ("); 864cc5f0329Sdhartmei if (r->max_states) { 865cc5f0329Sdhartmei printf("max %u", r->max_states); 866cc5f0329Sdhartmei opts = 0; 867cc5f0329Sdhartmei } 868af80fa86Smcbride if (r->rule_flag & PFRULE_NOSYNC) { 869af80fa86Smcbride if (!opts) 870af80fa86Smcbride printf(", "); 871af80fa86Smcbride printf("no-sync"); 872af80fa86Smcbride opts = 0; 873af80fa86Smcbride } 874fd777407Smcbride if (r->rule_flag & PFRULE_SRCTRACK) { 875fd777407Smcbride if (!opts) 876fd777407Smcbride printf(", "); 877fd777407Smcbride printf("source-track"); 878fd777407Smcbride if (r->rule_flag & PFRULE_RULESRCTRACK) 879fd777407Smcbride printf(" rule"); 880fd777407Smcbride else 881fd777407Smcbride printf(" global"); 882fd777407Smcbride opts = 0; 883fd777407Smcbride } 884fd777407Smcbride if (r->max_src_states) { 885fd777407Smcbride if (!opts) 886fd777407Smcbride printf(", "); 887fd777407Smcbride printf("max-src-states %u", r->max_src_states); 888fd777407Smcbride opts = 0; 889fd777407Smcbride } 8906b640f62Smcbride if (r->max_src_conn) { 8916b640f62Smcbride if (!opts) 8926b640f62Smcbride printf(", "); 8936b640f62Smcbride printf("max-src-conn %u", r->max_src_conn); 8946b640f62Smcbride opts = 0; 8956b640f62Smcbride } 8966b640f62Smcbride if (r->max_src_conn_rate.limit) { 8976b640f62Smcbride if (!opts) 8986b640f62Smcbride printf(", "); 8996b640f62Smcbride printf("max-src-conn-rate %u/%u", 9006b640f62Smcbride r->max_src_conn_rate.limit, 9016b640f62Smcbride r->max_src_conn_rate.seconds); 9026b640f62Smcbride opts = 0; 9036b640f62Smcbride } 904fd777407Smcbride if (r->max_src_nodes) { 905fd777407Smcbride if (!opts) 906fd777407Smcbride printf(", "); 907fd777407Smcbride printf("max-src-nodes %u", r->max_src_nodes); 908fd777407Smcbride opts = 0; 909fd777407Smcbride } 9106b640f62Smcbride if (r->overload_tblname[0]) { 9116b640f62Smcbride if (!opts) 9126b640f62Smcbride printf(", "); 9136b640f62Smcbride printf("overload <%s>", r->overload_tblname); 9141e320a53Sdhartmei if (r->flush) 9156b640f62Smcbride printf(" flush"); 9161e320a53Sdhartmei if (r->flush & PF_FLUSH_GLOBAL) 9171e320a53Sdhartmei printf(" global"); 9186b640f62Smcbride } 919ec359bd5Scedric if (r->rule_flag & PFRULE_IFBOUND) { 920ec359bd5Scedric if (!opts) 921ec359bd5Scedric printf(", "); 922ec359bd5Scedric printf("if-bound"); 923ec359bd5Scedric opts = 0; 924ec359bd5Scedric } 9254dc07d4cShenning if (r->rule_flag & PFRULE_STATESLOPPY) { 9264dc07d4cShenning if (!opts) 9274dc07d4cShenning printf(", "); 9284dc07d4cShenning printf("sloppy"); 9294dc07d4cShenning opts = 0; 9304dc07d4cShenning } 93118ae10f7Shenning if (r->rule_flag & PFRULE_PFLOW) { 93218ae10f7Shenning if (!opts) 93318ae10f7Shenning printf(", "); 93418ae10f7Shenning printf("pflow"); 93518ae10f7Shenning opts = 0; 93618ae10f7Shenning } 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 } 954e9953237Shenning 955ddd010a2Sdavid if (r->rule_flag & PFRULE_FRAGMENT) 956ddd010a2Sdavid printf(" fragment"); 957ddd010a2Sdavid 95822923725Shenning if (r->scrub_flags >= PFSTATE_NODF || r->min_ttl || r->max_mss) { 959e9953237Shenning printf(" scrub ("); 96022923725Shenning opts = 1; 96122923725Shenning if (r->scrub_flags & PFSTATE_NODF) { 96267d2a440Sprovos printf("no-df"); 96322923725Shenning opts = 0; 96422923725Shenning } 96522923725Shenning if (r->scrub_flags & PFSTATE_RANDOMID) { 96622923725Shenning if (!opts) 96722923725Shenning printf(" "); 968edbe3066Sdhartmei printf("random-id"); 96922923725Shenning opts = 0; 97022923725Shenning } 97122923725Shenning if (r->min_ttl) { 97222923725Shenning if (!opts) 97322923725Shenning printf(" "); 97434c76dcbSprovos printf("min-ttl %d", r->min_ttl); 97522923725Shenning opts = 0; 97622923725Shenning } 97722923725Shenning if (r->scrub_flags & PFSTATE_SETTOS) { 97822923725Shenning if (!opts) 97922923725Shenning printf(" "); 980e9953237Shenning printf("set-tos 0x%2.2x", r->set_tos); 98122923725Shenning opts = 0; 98222923725Shenning } 98322923725Shenning if (r->scrub_flags & PFSTATE_SCRUB_TCP) { 98422923725Shenning if (!opts) 98522923725Shenning printf(" "); 986e9953237Shenning printf("reassemble tcp"); 98722923725Shenning opts = 0; 98822923725Shenning } 98922923725Shenning if (r->max_mss) { 99022923725Shenning if (!opts) 99122923725Shenning printf(" "); 992cfa91859Sjasoni printf("max-mss %d", r->max_mss); 99322923725Shenning opts = 0; 99422923725Shenning } 995e9953237Shenning printf(")"); 996e9953237Shenning } 997e9953237Shenning 998f48d62b3Sdhartmei if (r->allow_opts) 999f48d62b3Sdhartmei printf(" allow-opts"); 1000455ef0c1Sdhartmei if (r->label[0]) 1001ff45dfa8Scamield printf(" label \"%s\"", r->label); 1002f98324c6Shenning if (r->qname[0] && r->pqname[0]) 1003f98324c6Shenning printf(" queue(%s, %s)", r->qname, r->pqname); 1004f98324c6Shenning else if (r->qname[0]) 100578e1d2a6Shenning printf(" queue %s", r->qname); 10068aecb81aShenning if (r->tagname[0]) 10078aecb81aShenning printf(" tag %s", r->tagname); 100836369899Shenning if (r->match_tagname[0]) { 100936369899Shenning if (r->match_tag_not) 101036369899Shenning printf(" !"); 10110a5f7f2fShenning printf(" tagged %s", r->match_tagname); 101236369899Shenning } 10135e931757Shenning if (r->rtableid != -1) 10145e931757Shenning printf(" rtable %u", r->rtableid); 1015eb900600Smarkus if (r->divert.port) { 1016eb900600Smarkus if (PF_AZERO(&r->divert.addr, r->af)) { 1017eb900600Smarkus printf(" divert-reply"); 1018eb900600Smarkus } else { 1019eb900600Smarkus /* XXX cut&paste from print_addr */ 1020eb900600Smarkus char buf[48]; 1021eb900600Smarkus 1022eb900600Smarkus printf(" divert-to "); 1023eb900600Smarkus if (inet_ntop(r->af, &r->divert.addr, buf, 1024eb900600Smarkus sizeof(buf)) == NULL) 1025eb900600Smarkus printf("?"); 1026eb900600Smarkus else 1027eb900600Smarkus printf("%s", buf); 1028782435eaSmarkus printf(" port %u", ntohs(r->divert.port)); 1029eb900600Smarkus } 1030eb900600Smarkus } 1031d85f7bc1Smichele if (r->divert_packet.port) 1032d85f7bc1Smichele printf(" divert-packet port %u", ntohs(r->divert_packet.port)); 103336754172Smcbride if (!anchor_call[0] && r->nat.addr.type != PF_ADDR_NONE) { 10340ef3d4feShenning printf (" nat-to "); 10350ef3d4feShenning print_pool(&r->nat, r->nat.proxy_port[0], 103636754172Smcbride r->nat.proxy_port[1], r->af, PF_NAT, verbose); 10370ef3d4feShenning } 103836754172Smcbride if (!r->rt && !anchor_call[0] && r->rdr.addr.type != PF_ADDR_NONE) { 10390ef3d4feShenning printf (" rdr-to "); 10400ef3d4feShenning print_pool(&r->rdr, r->rdr.proxy_port[0], 104136754172Smcbride r->rdr.proxy_port[1], r->af, PF_RDR, verbose); 1042d0aca2f2Shenning } 104369e22b15Sreyk if (r->rt) { 104469e22b15Sreyk if (r->rt == PF_ROUTETO) 104569e22b15Sreyk printf(" route-to"); 104669e22b15Sreyk else if (r->rt == PF_REPLYTO) 104769e22b15Sreyk printf(" reply-to"); 104869e22b15Sreyk else if (r->rt == PF_DUPTO) 104969e22b15Sreyk printf(" dup-to"); 105069e22b15Sreyk else if (r->rt == PF_FASTROUTE) 105169e22b15Sreyk printf(" fastroute"); 105269e22b15Sreyk if (r->rt != PF_FASTROUTE) { 105369e22b15Sreyk printf(" "); 105436754172Smcbride print_pool(&r->route, 0, 0, r->af, PF_PASS, verbose); 105569e22b15Sreyk } 105669e22b15Sreyk } 105714a9b182Skjell } 105814a9b182Skjell 10595b6c447dScedric void 10605b6c447dScedric print_tabledef(const char *name, int flags, int addrs, 10615b6c447dScedric struct node_tinithead *nodes) 10625b6c447dScedric { 10635b6c447dScedric struct node_tinit *ti, *nti; 10645b6c447dScedric struct node_host *h; 10655b6c447dScedric 10665b6c447dScedric printf("table <%s>", name); 10675b6c447dScedric if (flags & PFR_TFLAG_CONST) 10685b6c447dScedric printf(" const"); 10695b6c447dScedric if (flags & PFR_TFLAG_PERSIST) 10705b6c447dScedric printf(" persist"); 10715f03a6e1Smcbride if (flags & PFR_TFLAG_COUNTERS) 10725f03a6e1Smcbride printf(" counters"); 10735b6c447dScedric SIMPLEQ_FOREACH(ti, nodes, entries) { 10745b6c447dScedric if (ti->file) { 10755b6c447dScedric printf(" file \"%s\"", ti->file); 10765b6c447dScedric continue; 10775b6c447dScedric } 10785b6c447dScedric printf(" {"); 10795b6c447dScedric for (;;) { 10805b6c447dScedric for (h = ti->host; h != NULL; h = h->next) { 10815b6c447dScedric printf(h->not ? " !" : " "); 10825b6c447dScedric print_addr(&h->addr, h->af, 0); 108336754172Smcbride if (h->ifname) 108436754172Smcbride printf("@%s", h->ifname); 10855b6c447dScedric } 10865b6c447dScedric nti = SIMPLEQ_NEXT(ti, entries); 10875b6c447dScedric if (nti != NULL && nti->file == NULL) 10885b6c447dScedric ti = nti; /* merge lists */ 10895b6c447dScedric else 10905b6c447dScedric break; 10915b6c447dScedric } 10925b6c447dScedric printf(" }"); 10935b6c447dScedric } 10945b6c447dScedric if (addrs && SIMPLEQ_EMPTY(nodes)) 10955b6c447dScedric printf(" { }"); 10965b6c447dScedric printf("\n"); 10975b6c447dScedric } 10985b6c447dScedric 10991f8f21bdSmillert int 1100ff352a37Smarkus parse_flags(char *s) 110114a9b182Skjell { 1102ff352a37Smarkus char *p, *q; 110314a9b182Skjell u_int8_t f = 0; 110481a15e5dSderaadt 1105ff352a37Smarkus for (p = s; *p; p++) { 1106ff352a37Smarkus if ((q = strchr(tcpflags, *p)) == NULL) 1107ff352a37Smarkus return -1; 1108ff352a37Smarkus else 1109ff352a37Smarkus f |= 1 << (q - tcpflags); 111014a9b182Skjell } 1111bc795af0Shugh return (f ? f : PF_TH_ALL); 111214a9b182Skjell } 111394e9410bShenning 111494e9410bShenning void 111594e9410bShenning set_ipmask(struct node_host *h, u_int8_t b) 111694e9410bShenning { 111794e9410bShenning struct pf_addr *m, *n; 111894e9410bShenning int i, j = 0; 111994e9410bShenning 112094e9410bShenning m = &h->addr.v.a.mask; 1121ab648bf6Sfrantzen memset(m, 0, sizeof(*m)); 112294e9410bShenning 112394e9410bShenning while (b >= 32) { 112494e9410bShenning m->addr32[j++] = 0xffffffff; 112594e9410bShenning b -= 32; 112694e9410bShenning } 112794e9410bShenning for (i = 31; i > 31-b; --i) 112894e9410bShenning m->addr32[j] |= (1 << i); 112994e9410bShenning if (b) 113094e9410bShenning m->addr32[j] = htonl(m->addr32[j]); 113194e9410bShenning 113294e9410bShenning /* Mask off bits of the address that will never be used. */ 113394e9410bShenning n = &h->addr.v.a.addr; 1134ff626af1Shenning if (h->addr.type == PF_ADDR_ADDRMASK) 113594e9410bShenning for (i = 0; i < 4; i++) 113694e9410bShenning n->addr32[i] = n->addr32[i] & m->addr32[i]; 113794e9410bShenning } 113894e9410bShenning 113952f4a4a4Shenning int 114052f4a4a4Shenning check_netmask(struct node_host *h, sa_family_t af) 114152f4a4a4Shenning { 114252f4a4a4Shenning struct node_host *n = NULL; 114352f4a4a4Shenning struct pf_addr *m; 114452f4a4a4Shenning 114552f4a4a4Shenning for (n = h; n != NULL; n = n->next) { 114675d911b5Scedric if (h->addr.type == PF_ADDR_TABLE) 114775d911b5Scedric continue; 114852f4a4a4Shenning m = &h->addr.v.a.mask; 114952f4a4a4Shenning /* fix up netmask for dynaddr */ 115052f4a4a4Shenning if (af == AF_INET && h->addr.type == PF_ADDR_DYNIFTL && 115152f4a4a4Shenning unmask(m, AF_INET6) > 32) 115252f4a4a4Shenning set_ipmask(n, 32); 115352f4a4a4Shenning /* netmasks > 32 bit are invalid on v4 */ 115452f4a4a4Shenning if (af == AF_INET && 115552f4a4a4Shenning (m->addr32[1] || m->addr32[2] || m->addr32[3])) { 115652f4a4a4Shenning fprintf(stderr, "netmask %u invalid for IPv4 address\n", 115752f4a4a4Shenning unmask(m, AF_INET6)); 115852f4a4a4Shenning return (1); 115952f4a4a4Shenning } 116052f4a4a4Shenning } 116152f4a4a4Shenning return (0); 116252f4a4a4Shenning } 116352f4a4a4Shenning 116494e9410bShenning /* interface lookup routines */ 116594e9410bShenning 116694e9410bShenning struct node_host *iftab; 116794e9410bShenning 116894e9410bShenning void 116994e9410bShenning ifa_load(void) 117094e9410bShenning { 117194e9410bShenning struct ifaddrs *ifap, *ifa; 117294e9410bShenning struct node_host *n = NULL, *h = NULL; 117394e9410bShenning 117494e9410bShenning if (getifaddrs(&ifap) < 0) 117594e9410bShenning err(1, "getifaddrs"); 117694e9410bShenning 117794e9410bShenning for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 117894e9410bShenning if (!(ifa->ifa_addr->sa_family == AF_INET || 117994e9410bShenning ifa->ifa_addr->sa_family == AF_INET6 || 118094e9410bShenning ifa->ifa_addr->sa_family == AF_LINK)) 118194e9410bShenning continue; 118294e9410bShenning n = calloc(1, sizeof(struct node_host)); 118394e9410bShenning if (n == NULL) 118494e9410bShenning err(1, "address: calloc"); 118594e9410bShenning n->af = ifa->ifa_addr->sa_family; 118694e9410bShenning n->ifa_flags = ifa->ifa_flags; 118794e9410bShenning #ifdef __KAME__ 118894e9410bShenning if (n->af == AF_INET6 && 118994e9410bShenning IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *) 119094e9410bShenning ifa->ifa_addr)->sin6_addr) && 1191ab642153Shenning ((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_scope_id == 1192ab642153Shenning 0) { 119394e9410bShenning struct sockaddr_in6 *sin6; 119494e9410bShenning 119594e9410bShenning sin6 = (struct sockaddr_in6 *)ifa->ifa_addr; 119694e9410bShenning sin6->sin6_scope_id = sin6->sin6_addr.s6_addr[2] << 8 | 119794e9410bShenning sin6->sin6_addr.s6_addr[3]; 119894e9410bShenning sin6->sin6_addr.s6_addr[2] = 0; 119994e9410bShenning sin6->sin6_addr.s6_addr[3] = 0; 120094e9410bShenning } 120194e9410bShenning #endif 120294e9410bShenning n->ifindex = 0; 120394e9410bShenning if (n->af == AF_INET) { 120494e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in *) 120594e9410bShenning ifa->ifa_addr)->sin_addr.s_addr, 120694e9410bShenning sizeof(struct in_addr)); 120794e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in *) 120894e9410bShenning ifa->ifa_netmask)->sin_addr.s_addr, 120994e9410bShenning sizeof(struct in_addr)); 121094e9410bShenning if (ifa->ifa_broadaddr != NULL) 121194e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in *) 121294e9410bShenning ifa->ifa_broadaddr)->sin_addr.s_addr, 121394e9410bShenning sizeof(struct in_addr)); 1214ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1215ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in *) 1216ec359bd5Scedric ifa->ifa_dstaddr)->sin_addr.s_addr, 1217ec359bd5Scedric sizeof(struct in_addr)); 121894e9410bShenning } else if (n->af == AF_INET6) { 121994e9410bShenning memcpy(&n->addr.v.a.addr, &((struct sockaddr_in6 *) 122094e9410bShenning ifa->ifa_addr)->sin6_addr.s6_addr, 122194e9410bShenning sizeof(struct in6_addr)); 122294e9410bShenning memcpy(&n->addr.v.a.mask, &((struct sockaddr_in6 *) 122394e9410bShenning ifa->ifa_netmask)->sin6_addr.s6_addr, 122494e9410bShenning sizeof(struct in6_addr)); 122594e9410bShenning if (ifa->ifa_broadaddr != NULL) 122694e9410bShenning memcpy(&n->bcast, &((struct sockaddr_in6 *) 122794e9410bShenning ifa->ifa_broadaddr)->sin6_addr.s6_addr, 122894e9410bShenning sizeof(struct in6_addr)); 1229ec359bd5Scedric if (ifa->ifa_dstaddr != NULL) 1230ec359bd5Scedric memcpy(&n->peer, &((struct sockaddr_in6 *) 1231ec359bd5Scedric ifa->ifa_dstaddr)->sin6_addr.s6_addr, 1232ec359bd5Scedric sizeof(struct in6_addr)); 123394e9410bShenning n->ifindex = ((struct sockaddr_in6 *) 123494e9410bShenning ifa->ifa_addr)->sin6_scope_id; 123594e9410bShenning } 123694e9410bShenning if ((n->ifname = strdup(ifa->ifa_name)) == NULL) 123794e9410bShenning err(1, "ifa_load: strdup"); 123894e9410bShenning n->next = NULL; 123994e9410bShenning n->tail = n; 124094e9410bShenning if (h == NULL) 124194e9410bShenning h = n; 124294e9410bShenning else { 124394e9410bShenning h->tail->next = n; 124494e9410bShenning h->tail = n; 124594e9410bShenning } 124694e9410bShenning } 1247ec359bd5Scedric 124894e9410bShenning iftab = h; 124994e9410bShenning freeifaddrs(ifap); 125094e9410bShenning } 125194e9410bShenning 125294e9410bShenning struct node_host * 12536c3582faShenning ifa_exists(const char *ifa_name) 125494e9410bShenning { 125594e9410bShenning struct node_host *n; 12562ff5b035Shenning struct ifgroupreq ifgr; 12572ff5b035Shenning int s; 125894e9410bShenning 125994e9410bShenning if (iftab == NULL) 126094e9410bShenning ifa_load(); 126194e9410bShenning 1262855d4e83Ssobrado /* check whether this is a group */ 12632ff5b035Shenning if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 12642ff5b035Shenning err(1, "socket"); 12652ff5b035Shenning bzero(&ifgr, sizeof(ifgr)); 12662ff5b035Shenning strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 12672ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == 0) { 12682ff5b035Shenning /* fake a node_host */ 12692ff5b035Shenning if ((n = calloc(1, sizeof(*n))) == NULL) 12702ff5b035Shenning err(1, "calloc"); 12712ff5b035Shenning if ((n->ifname = strdup(ifa_name)) == NULL) 12722ff5b035Shenning err(1, "strdup"); 12732ff5b035Shenning close(s); 12742ff5b035Shenning return (n); 12752ff5b035Shenning } 12762ff5b035Shenning close(s); 12772ff5b035Shenning 127894e9410bShenning for (n = iftab; n; n = n->next) { 127994e9410bShenning if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ)) 128094e9410bShenning return (n); 128194e9410bShenning } 1282655a9f8aShenning 128394e9410bShenning return (NULL); 128494e9410bShenning } 128594e9410bShenning 128694e9410bShenning struct node_host * 12872ff5b035Shenning ifa_grouplookup(const char *ifa_name, int flags) 12882ff5b035Shenning { 12892ff5b035Shenning struct ifg_req *ifg; 12902ff5b035Shenning struct ifgroupreq ifgr; 12912ff5b035Shenning int s, len; 1292727cb2f7Sdhartmei struct node_host *n, *h = NULL; 12932ff5b035Shenning 12942ff5b035Shenning if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) 12952ff5b035Shenning err(1, "socket"); 12962ff5b035Shenning bzero(&ifgr, sizeof(ifgr)); 12972ff5b035Shenning strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name)); 12982ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) { 12992ff5b035Shenning close(s); 13002ff5b035Shenning return (NULL); 13012ff5b035Shenning } 13022ff5b035Shenning 13032ff5b035Shenning len = ifgr.ifgr_len; 13042ff5b035Shenning if ((ifgr.ifgr_groups = calloc(1, len)) == NULL) 13052ff5b035Shenning err(1, "calloc"); 13062ff5b035Shenning if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) 13072ff5b035Shenning err(1, "SIOCGIFGMEMB"); 13082ff5b035Shenning 13092ff5b035Shenning for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(struct ifg_req); 13102ff5b035Shenning ifg++) { 13112ff5b035Shenning len -= sizeof(struct ifg_req); 131217b44c41Shenning if ((n = ifa_lookup(ifg->ifgrq_member, flags)) == NULL) 131317b44c41Shenning continue; 13142ff5b035Shenning if (h == NULL) 13152ff5b035Shenning h = n; 13162ff5b035Shenning else { 1317727cb2f7Sdhartmei h->tail->next = n; 1318727cb2f7Sdhartmei h->tail = n->tail; 13192ff5b035Shenning } 13202ff5b035Shenning } 13212ff5b035Shenning free(ifgr.ifgr_groups); 13222ff5b035Shenning close(s); 13232ff5b035Shenning 13242ff5b035Shenning return (h); 13252ff5b035Shenning } 13262ff5b035Shenning 13272ff5b035Shenning struct node_host * 1328ec359bd5Scedric ifa_lookup(const char *ifa_name, int flags) 132994e9410bShenning { 133094e9410bShenning struct node_host *p = NULL, *h = NULL, *n = NULL; 13317ad220f2Scedric int got4 = 0, got6 = 0; 1332ec359bd5Scedric const char *last_if = NULL; 133394e9410bShenning 13342ff5b035Shenning if ((h = ifa_grouplookup(ifa_name, flags)) != NULL) 13352ff5b035Shenning return (h); 13362ff5b035Shenning 133794e9410bShenning if (!strncmp(ifa_name, "self", IFNAMSIZ)) 13387ad220f2Scedric ifa_name = NULL; 133994e9410bShenning 134094e9410bShenning if (iftab == NULL) 134194e9410bShenning ifa_load(); 134294e9410bShenning 134394e9410bShenning for (p = iftab; p; p = p->next) { 13447ad220f2Scedric if (ifa_skip_if(ifa_name, p)) 134594e9410bShenning continue; 1346ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && p->af != AF_INET) 134794e9410bShenning continue; 1348ec359bd5Scedric if ((flags & PFI_AFLAG_BROADCAST) && 1349ec359bd5Scedric !(p->ifa_flags & IFF_BROADCAST)) 135094e9410bShenning continue; 1351ec359bd5Scedric if ((flags & PFI_AFLAG_PEER) && 1352ec359bd5Scedric !(p->ifa_flags & IFF_POINTOPOINT)) 1353ec359bd5Scedric continue; 1354ec359bd5Scedric if ((flags & PFI_AFLAG_NETWORK) && p->ifindex > 0) 1355ec359bd5Scedric continue; 1356ec359bd5Scedric if (last_if == NULL || strcmp(last_if, p->ifname)) 1357ec359bd5Scedric got4 = got6 = 0; 1358ec359bd5Scedric last_if = p->ifname; 1359ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET && got4) 1360ec359bd5Scedric continue; 1361ec359bd5Scedric if ((flags & PFI_AFLAG_NOALIAS) && p->af == AF_INET6 && got6) 1362ec359bd5Scedric continue; 1363ec359bd5Scedric if (p->af == AF_INET) 1364ec359bd5Scedric got4 = 1; 1365ec359bd5Scedric else 1366ec359bd5Scedric got6 = 1; 136794e9410bShenning n = calloc(1, sizeof(struct node_host)); 136894e9410bShenning if (n == NULL) 136994e9410bShenning err(1, "address: calloc"); 137094e9410bShenning n->af = p->af; 1371ec359bd5Scedric if (flags & PFI_AFLAG_BROADCAST) 137294e9410bShenning memcpy(&n->addr.v.a.addr, &p->bcast, 137394e9410bShenning sizeof(struct pf_addr)); 1374ec359bd5Scedric else if (flags & PFI_AFLAG_PEER) 1375ec359bd5Scedric memcpy(&n->addr.v.a.addr, &p->peer, 1376ec359bd5Scedric sizeof(struct pf_addr)); 137794e9410bShenning else 137894e9410bShenning memcpy(&n->addr.v.a.addr, &p->addr.v.a.addr, 137994e9410bShenning sizeof(struct pf_addr)); 1380ec359bd5Scedric if (flags & PFI_AFLAG_NETWORK) 138194e9410bShenning set_ipmask(n, unmask(&p->addr.v.a.mask, n->af)); 138294e9410bShenning else { 138394e9410bShenning if (n->af == AF_INET) { 138494e9410bShenning if (p->ifa_flags & IFF_LOOPBACK && 138594e9410bShenning p->ifa_flags & IFF_LINK1) 138694e9410bShenning memcpy(&n->addr.v.a.mask, 138794e9410bShenning &p->addr.v.a.mask, 138894e9410bShenning sizeof(struct pf_addr)); 138994e9410bShenning else 139094e9410bShenning set_ipmask(n, 32); 139194e9410bShenning } else 139294e9410bShenning set_ipmask(n, 128); 139394e9410bShenning } 139494e9410bShenning n->ifindex = p->ifindex; 139594e9410bShenning 139694e9410bShenning n->next = NULL; 139794e9410bShenning n->tail = n; 139894e9410bShenning if (h == NULL) 139994e9410bShenning h = n; 140094e9410bShenning else { 140194e9410bShenning h->tail->next = n; 140294e9410bShenning h->tail = n; 140394e9410bShenning } 140494e9410bShenning } 140594e9410bShenning return (h); 140694e9410bShenning } 140794e9410bShenning 14087ad220f2Scedric int 14097ad220f2Scedric ifa_skip_if(const char *filter, struct node_host *p) 14107ad220f2Scedric { 14117ad220f2Scedric int n; 14127ad220f2Scedric 14137ad220f2Scedric if (p->af != AF_INET && p->af != AF_INET6) 14147ad220f2Scedric return (1); 14157ad220f2Scedric if (filter == NULL || !*filter) 14167ad220f2Scedric return (0); 14177ad220f2Scedric if (!strcmp(p->ifname, filter)) 14187ad220f2Scedric return (0); /* exact match */ 14197ad220f2Scedric n = strlen(filter); 14207ad220f2Scedric if (n < 1 || n >= IFNAMSIZ) 14217ad220f2Scedric return (1); /* sanity check */ 14227ad220f2Scedric if (filter[n-1] >= '0' && filter[n-1] <= '9') 14237ad220f2Scedric return (1); /* only do exact match in that case */ 14247ad220f2Scedric if (strncmp(p->ifname, filter, n)) 14257ad220f2Scedric return (1); /* prefix doesn't match */ 14267ad220f2Scedric return (p->ifname[n] < '0' || p->ifname[n] > '9'); 14277ad220f2Scedric } 14287ad220f2Scedric 14297ad220f2Scedric 143094e9410bShenning struct node_host * 1431f23861c1Shenning host(const char *s) 143294e9410bShenning { 143336754172Smcbride struct node_host *h = NULL, *n; 143436754172Smcbride int mask = -1, v4mask = 32, v6mask = 128, cont = 1; 143525bdb5e4Smcbride char *p, *q, *r, *ps, *if_name; 143694e9410bShenning 143736754172Smcbride if ((ps = strdup(s)) == NULL) 143836754172Smcbride err(1, "host: strdup"); 143936754172Smcbride 144036754172Smcbride if ((if_name = strrchr(ps, '@')) != NULL) { 144136754172Smcbride if_name[0] = '\0'; 144236754172Smcbride if_name++; 1443d20cfe34Smcbride } 144425bdb5e4Smcbride 1445d20cfe34Smcbride if ((p = strrchr(ps, '/')) != NULL) { 144625bdb5e4Smcbride if ((r = strdup(ps)) == NULL) 144725bdb5e4Smcbride err(1, "host: strdup"); 144894e9410bShenning mask = strtol(p+1, &q, 0); 1449fecc9cd0Shenning if (!q || *q || mask > 128 || q == (p+1)) { 1450f565df7eSjsg free(r); 14513f76a180Sdhartmei fprintf(stderr, "invalid netmask '%s'\n", p); 145294e9410bShenning return (NULL); 145394e9410bShenning } 145436754172Smcbride p[0] = '\0'; 145594e9410bShenning v4mask = v6mask = mask; 145625bdb5e4Smcbride } else 145725bdb5e4Smcbride r = ps; 145894e9410bShenning 14592a6c1abaShenning /* interface with this name exists? */ 14604a36d485Shenning if (cont && (h = host_if(ps, mask)) != NULL) 14612a6c1abaShenning cont = 0; 14622a6c1abaShenning 14632a6c1abaShenning /* IPv4 address? */ 146425bdb5e4Smcbride if (cont && (h = host_v4(r, mask)) != NULL) 14652a6c1abaShenning cont = 0; 146625bdb5e4Smcbride if (r != ps) 146725bdb5e4Smcbride free(r); 14682a6c1abaShenning 14692a6c1abaShenning /* IPv6 address? */ 14702a6c1abaShenning if (cont && (h = host_v6(ps, v6mask)) != NULL) 14712a6c1abaShenning cont = 0; 14722a6c1abaShenning 14732a6c1abaShenning /* dns lookup */ 14742a6c1abaShenning if (cont && (h = host_dns(ps, v4mask, v6mask)) != NULL) 14752a6c1abaShenning cont = 0; 14762a6c1abaShenning 1477d20cfe34Smcbride if (if_name && if_name[0]) 1478d20cfe34Smcbride for (n = h; n != NULL; n = n->next) 1479d20cfe34Smcbride if ((n->ifname = strdup(if_name)) == NULL) 1480d20cfe34Smcbride err(1, "host: strdup"); 1481d20cfe34Smcbride 1482d20cfe34Smcbride free(ps); /* after we copy the name out */ 14832a6c1abaShenning if (h == NULL || cont == 1) { 14842a6c1abaShenning fprintf(stderr, "no IP address found for %s\n", s); 14852a6c1abaShenning return (NULL); 14862a6c1abaShenning } 148736754172Smcbride for (n = h; n != NULL; n = n->next) 1488d20cfe34Smcbride n->addr.type = PF_ADDR_ADDRMASK; 14892a6c1abaShenning return (h); 14902a6c1abaShenning } 14912a6c1abaShenning 14922a6c1abaShenning struct node_host * 1493f2370d27Shenning host_if(const char *s, int mask) 14942a6c1abaShenning { 14952a6c1abaShenning struct node_host *n, *h = NULL; 14964a36d485Shenning char *p, *ps; 1497ec359bd5Scedric int flags = 0; 14982a6c1abaShenning 1499ec359bd5Scedric if ((ps = strdup(s)) == NULL) 1500ec359bd5Scedric err(1, "host_if: strdup"); 1501ec359bd5Scedric while ((p = strrchr(ps, ':')) != NULL) { 15024a36d485Shenning if (!strcmp(p+1, "network")) 1503ec359bd5Scedric flags |= PFI_AFLAG_NETWORK; 1504ec359bd5Scedric else if (!strcmp(p+1, "broadcast")) 1505ec359bd5Scedric flags |= PFI_AFLAG_BROADCAST; 1506ec359bd5Scedric else if (!strcmp(p+1, "peer")) 1507ec359bd5Scedric flags |= PFI_AFLAG_PEER; 1508ec359bd5Scedric else if (!strcmp(p+1, "0")) 1509ec359bd5Scedric flags |= PFI_AFLAG_NOALIAS; 1510f8bc5305Shenning else { 1511f8bc5305Shenning free(ps); 1512ec359bd5Scedric return (NULL); 1513f8bc5305Shenning } 1514ec359bd5Scedric *p = '\0'; 1515ec359bd5Scedric } 1516ec359bd5Scedric if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { /* Yep! */ 1517ec359bd5Scedric fprintf(stderr, "illegal combination of interface modifiers\n"); 1518f8bc5305Shenning free(ps); 1519ec359bd5Scedric return (NULL); 1520ec359bd5Scedric } 1521ec359bd5Scedric if ((flags & (PFI_AFLAG_NETWORK|PFI_AFLAG_BROADCAST)) && mask > -1) { 15224a36d485Shenning fprintf(stderr, "network or broadcast lookup, but " 15234a36d485Shenning "extra netmask given\n"); 1524f8bc5305Shenning free(ps); 15254a36d485Shenning return (NULL); 15264a36d485Shenning } 15276c3582faShenning if (ifa_exists(ps) || !strncmp(ps, "self", IFNAMSIZ)) { 15282a6c1abaShenning /* interface with this name exists */ 1529ec359bd5Scedric h = ifa_lookup(ps, flags); 15302a6c1abaShenning for (n = h; n != NULL && mask > -1; n = n->next) 15312a6c1abaShenning set_ipmask(n, mask); 15322a6c1abaShenning } 15334a36d485Shenning 15344a36d485Shenning free(ps); 15352a6c1abaShenning return (h); 15362a6c1abaShenning } 15372a6c1abaShenning 15382a6c1abaShenning struct node_host * 1539383ebbbfShenning host_v4(const char *s, int mask) 15402a6c1abaShenning { 15412a6c1abaShenning struct node_host *h = NULL; 15422a6c1abaShenning struct in_addr ina; 154390fffbb7Shenning int bits = 32; 15442a6c1abaShenning 154594e9410bShenning memset(&ina, 0, sizeof(struct in_addr)); 154690fffbb7Shenning if (strrchr(s, '/') != NULL) { 154790fffbb7Shenning if ((bits = inet_net_pton(AF_INET, s, &ina, sizeof(ina))) == -1) 154890fffbb7Shenning return (NULL); 154990fffbb7Shenning } else { 155090fffbb7Shenning if (inet_pton(AF_INET, s, &ina) != 1) 155190fffbb7Shenning return (NULL); 155290fffbb7Shenning } 155390fffbb7Shenning 155494e9410bShenning h = calloc(1, sizeof(struct node_host)); 155594e9410bShenning if (h == NULL) 155694e9410bShenning err(1, "address: calloc"); 155794e9410bShenning h->ifname = NULL; 155894e9410bShenning h->af = AF_INET; 155994e9410bShenning h->addr.v.a.addr.addr32[0] = ina.s_addr; 156094e9410bShenning set_ipmask(h, bits); 156194e9410bShenning h->next = NULL; 156294e9410bShenning h->tail = h; 15632a6c1abaShenning 156494e9410bShenning return (h); 156594e9410bShenning } 15662a6c1abaShenning 15672a6c1abaShenning struct node_host * 1568f2370d27Shenning host_v6(const char *s, int mask) 15692a6c1abaShenning { 15702a6c1abaShenning struct addrinfo hints, *res; 15712a6c1abaShenning struct node_host *h = NULL; 157294e9410bShenning 157394e9410bShenning memset(&hints, 0, sizeof(hints)); 157494e9410bShenning hints.ai_family = AF_INET6; 157594e9410bShenning hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 157694e9410bShenning hints.ai_flags = AI_NUMERICHOST; 15772a6c1abaShenning if (getaddrinfo(s, "0", &hints, &res) == 0) { 15782a6c1abaShenning h = calloc(1, sizeof(struct node_host)); 15792a6c1abaShenning if (h == NULL) 158094e9410bShenning err(1, "address: calloc"); 15812a6c1abaShenning h->ifname = NULL; 15822a6c1abaShenning h->af = AF_INET6; 15832a6c1abaShenning memcpy(&h->addr.v.a.addr, 158494e9410bShenning &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr, 15852a6c1abaShenning sizeof(h->addr.v.a.addr)); 15862a6c1abaShenning h->ifindex = 15872a6c1abaShenning ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 15882a6c1abaShenning set_ipmask(h, mask); 158994e9410bShenning freeaddrinfo(res); 15902a6c1abaShenning h->next = NULL; 15912a6c1abaShenning h->tail = h; 159294e9410bShenning } 159394e9410bShenning 15942a6c1abaShenning return (h); 15952a6c1abaShenning } 15962a6c1abaShenning 15972a6c1abaShenning struct node_host * 1598f2370d27Shenning host_dns(const char *s, int v4mask, int v6mask) 15992a6c1abaShenning { 16002a6c1abaShenning struct addrinfo hints, *res0, *res; 16012a6c1abaShenning struct node_host *n, *h = NULL; 1602ec359bd5Scedric int error, noalias = 0; 1603ec359bd5Scedric int got4 = 0, got6 = 0; 1604ec359bd5Scedric char *p, *ps; 16052a6c1abaShenning 1606ec359bd5Scedric if ((ps = strdup(s)) == NULL) 160722dee42fShenning err(1, "host_dns: strdup"); 1608ec359bd5Scedric if ((p = strrchr(ps, ':')) != NULL && !strcmp(p, ":0")) { 1609ec359bd5Scedric noalias = 1; 1610ec359bd5Scedric *p = '\0'; 1611ec359bd5Scedric } 161294e9410bShenning memset(&hints, 0, sizeof(hints)); 161394e9410bShenning hints.ai_family = PF_UNSPEC; 161494e9410bShenning hints.ai_socktype = SOCK_STREAM; /* DUMMY */ 1615ec359bd5Scedric error = getaddrinfo(ps, NULL, &hints, &res0); 1616b4d8b6eeShenning if (error) { 1617b4d8b6eeShenning free(ps); 16182a6c1abaShenning return (h); 1619b4d8b6eeShenning } 16202a6c1abaShenning 162194e9410bShenning for (res = res0; res; res = res->ai_next) { 162294e9410bShenning if (res->ai_family != AF_INET && 162394e9410bShenning res->ai_family != AF_INET6) 162494e9410bShenning continue; 1625ec359bd5Scedric if (noalias) { 1626ec359bd5Scedric if (res->ai_family == AF_INET) { 1627ec359bd5Scedric if (got4) 1628ec359bd5Scedric continue; 1629ec359bd5Scedric got4 = 1; 1630ec359bd5Scedric } else { 1631ec359bd5Scedric if (got6) 1632ec359bd5Scedric continue; 1633ec359bd5Scedric got6 = 1; 1634ec359bd5Scedric } 1635ec359bd5Scedric } 163694e9410bShenning n = calloc(1, sizeof(struct node_host)); 163794e9410bShenning if (n == NULL) 16382a6c1abaShenning err(1, "host_dns: calloc"); 163994e9410bShenning n->ifname = NULL; 164094e9410bShenning n->af = res->ai_family; 164194e9410bShenning if (res->ai_family == AF_INET) { 164294e9410bShenning memcpy(&n->addr.v.a.addr, 16432a6c1abaShenning &((struct sockaddr_in *) 16442a6c1abaShenning res->ai_addr)->sin_addr.s_addr, 164594e9410bShenning sizeof(struct in_addr)); 164694e9410bShenning set_ipmask(n, v4mask); 164794e9410bShenning } else { 164894e9410bShenning memcpy(&n->addr.v.a.addr, 16492a6c1abaShenning &((struct sockaddr_in6 *) 16502a6c1abaShenning res->ai_addr)->sin6_addr.s6_addr, 165194e9410bShenning sizeof(struct in6_addr)); 165294e9410bShenning n->ifindex = 16532a6c1abaShenning ((struct sockaddr_in6 *) 16542a6c1abaShenning res->ai_addr)->sin6_scope_id; 165594e9410bShenning set_ipmask(n, v6mask); 165694e9410bShenning } 165794e9410bShenning n->next = NULL; 165894e9410bShenning n->tail = n; 165994e9410bShenning if (h == NULL) 166094e9410bShenning h = n; 166194e9410bShenning else { 166294e9410bShenning h->tail->next = n; 166394e9410bShenning h->tail = n; 166494e9410bShenning } 166594e9410bShenning } 166694e9410bShenning freeaddrinfo(res0); 1667ec359bd5Scedric free(ps); 166894e9410bShenning 166994e9410bShenning return (h); 167094e9410bShenning } 167142e05679Scedric 167242e05679Scedric /* 167342e05679Scedric * convert a hostname to a list of addresses and put them in the given buffer. 167442e05679Scedric * test: 167542e05679Scedric * if set to 1, only simple addresses are accepted (no netblock, no "!"). 167642e05679Scedric */ 167742e05679Scedric int 167842e05679Scedric append_addr(struct pfr_buffer *b, char *s, int test) 167942e05679Scedric { 16805b6c447dScedric char *r; 1681b88a8d5dScedric struct node_host *h, *n; 1682b88a8d5dScedric int rv, not = 0; 16835b6c447dScedric 16845b6c447dScedric for (r = s; *r == '!'; r++) 16855b6c447dScedric not = !not; 16865b6c447dScedric if ((n = host(r)) == NULL) { 16875b6c447dScedric errno = 0; 16885b6c447dScedric return (-1); 16895b6c447dScedric } 1690b88a8d5dScedric rv = append_addr_host(b, n, test, not); 1691b88a8d5dScedric do { 1692b88a8d5dScedric h = n; 1693b88a8d5dScedric n = n->next; 1694b88a8d5dScedric free(h); 1695b88a8d5dScedric } while (n != NULL); 1696b88a8d5dScedric return (rv); 169742e05679Scedric } 169842e05679Scedric 169942e05679Scedric /* 17005b6c447dScedric * same as previous function, but with a pre-parsed input and the ability 1701b88a8d5dScedric * to "negate" the result. Does not free the node_host list. 170242e05679Scedric * not: 170342e05679Scedric * setting it to 1 is equivalent to adding "!" in front of parameter s. 170442e05679Scedric */ 170542e05679Scedric int 17065b6c447dScedric append_addr_host(struct pfr_buffer *b, struct node_host *n, int test, int not) 170742e05679Scedric { 170842e05679Scedric int bits; 170942e05679Scedric struct pfr_addr addr; 171042e05679Scedric 171142e05679Scedric do { 171242e05679Scedric bzero(&addr, sizeof(addr)); 17135b6c447dScedric addr.pfra_not = n->not ^ not; 171442e05679Scedric addr.pfra_af = n->af; 171542e05679Scedric addr.pfra_net = unmask(&n->addr.v.a.mask, n->af); 171636754172Smcbride if (n->ifname) { 171736754172Smcbride if (strlcpy(addr.pfra_ifname, n->ifname, 171836754172Smcbride sizeof(addr.pfra_ifname)) >= sizeof(addr.pfra_ifname)) 171936754172Smcbride errx(1, "append_addr_host: strlcpy"); 172036754172Smcbride addr.pfra_type = PFRKE_ROUTE; 172136754172Smcbride } 172242e05679Scedric switch (n->af) { 172342e05679Scedric case AF_INET: 172442e05679Scedric addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0]; 172542e05679Scedric bits = 32; 172642e05679Scedric break; 172742e05679Scedric case AF_INET6: 172842e05679Scedric memcpy(&addr.pfra_ip6addr, &n->addr.v.a.addr.v6, 172942e05679Scedric sizeof(struct in6_addr)); 173042e05679Scedric bits = 128; 173142e05679Scedric break; 173242e05679Scedric default: 173342e05679Scedric errno = EINVAL; 173442e05679Scedric return (-1); 173542e05679Scedric } 173642e05679Scedric if ((test && (not || addr.pfra_net != bits)) || 173742e05679Scedric addr.pfra_net > bits) { 173842e05679Scedric errno = EINVAL; 173942e05679Scedric return (-1); 174042e05679Scedric } 174142e05679Scedric if (pfr_buf_add(b, &addr)) 174242e05679Scedric return (-1); 1743b88a8d5dScedric } while ((n = n->next) != NULL); 174442e05679Scedric 174542e05679Scedric return (0); 174642e05679Scedric } 174779cc0068Scedric 174879cc0068Scedric int 17499f66a89aShenning pfctl_add_trans(struct pfr_buffer *buf, int type, const char *anchor) 175079cc0068Scedric { 175179cc0068Scedric struct pfioc_trans_e trans; 175279cc0068Scedric 175379cc0068Scedric bzero(&trans, sizeof(trans)); 17549f66a89aShenning trans.type = type; 175579cc0068Scedric if (strlcpy(trans.anchor, anchor, 1756d9ad7941Sdhartmei sizeof(trans.anchor)) >= sizeof(trans.anchor)) 175779cc0068Scedric errx(1, "pfctl_add_trans: strlcpy"); 175879cc0068Scedric 175979cc0068Scedric return pfr_buf_add(buf, &trans); 176079cc0068Scedric } 176179cc0068Scedric 176279cc0068Scedric u_int32_t 17639f66a89aShenning pfctl_get_ticket(struct pfr_buffer *buf, int type, const char *anchor) 176479cc0068Scedric { 176579cc0068Scedric struct pfioc_trans_e *p; 176679cc0068Scedric 176779cc0068Scedric PFRB_FOREACH(p, buf) 17689f66a89aShenning if (type == p->type && !strcmp(anchor, p->anchor)) 176979cc0068Scedric return (p->ticket); 177022dee42fShenning errx(1, "pfctl_get_ticket: assertion failed"); 177179cc0068Scedric } 177279cc0068Scedric 177379cc0068Scedric int 17743060c195Shenning pfctl_trans(int dev, struct pfr_buffer *buf, u_long cmd, int from) 177579cc0068Scedric { 177679cc0068Scedric struct pfioc_trans trans; 177779cc0068Scedric 177879cc0068Scedric bzero(&trans, sizeof(trans)); 177979cc0068Scedric trans.size = buf->pfrb_size - from; 178079cc0068Scedric trans.esize = sizeof(struct pfioc_trans_e); 178179cc0068Scedric trans.array = ((struct pfioc_trans_e *)buf->pfrb_caddr) + from; 178279cc0068Scedric return ioctl(dev, cmd, &trans); 178379cc0068Scedric } 1784