parse.y revision 178894
1171172Smlaier/* $OpenBSD: parse.y,v 1.517 2007/02/03 23:26:40 dhartmei Exp $ */ 2126353Smlaier 3126353Smlaier/* 4126353Smlaier * Copyright (c) 2001 Markus Friedl. All rights reserved. 5126353Smlaier * Copyright (c) 2001 Daniel Hartmeier. All rights reserved. 6130617Smlaier * Copyright (c) 2001 Theo de Raadt. All rights reserved. 7130617Smlaier * Copyright (c) 2002,2003 Henning Brauer. All rights reserved. 8126353Smlaier * 9126353Smlaier * Redistribution and use in source and binary forms, with or without 10126353Smlaier * modification, are permitted provided that the following conditions 11126353Smlaier * are met: 12126353Smlaier * 1. Redistributions of source code must retain the above copyright 13126353Smlaier * notice, this list of conditions and the following disclaimer. 14126353Smlaier * 2. Redistributions in binary form must reproduce the above copyright 15126353Smlaier * notice, this list of conditions and the following disclaimer in the 16126353Smlaier * documentation and/or other materials provided with the distribution. 17126353Smlaier * 18126353Smlaier * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19126353Smlaier * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20126353Smlaier * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21126353Smlaier * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22126353Smlaier * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23126353Smlaier * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24126353Smlaier * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25126353Smlaier * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26126353Smlaier * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27126353Smlaier * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28126353Smlaier */ 29126353Smlaier%{ 30127082Sobrien#include <sys/cdefs.h> 31127082Sobrien__FBSDID("$FreeBSD: head/contrib/pf/pfctl/parse.y 178894 2008-05-09 23:53:01Z julian $"); 32127082Sobrien 33126353Smlaier#include <sys/types.h> 34126353Smlaier#include <sys/socket.h> 35126353Smlaier#include <net/if.h> 36126353Smlaier#include <netinet/in.h> 37126353Smlaier#include <netinet/in_systm.h> 38126353Smlaier#include <netinet/ip.h> 39126353Smlaier#include <netinet/ip_icmp.h> 40126353Smlaier#include <netinet/icmp6.h> 41126353Smlaier#include <net/pfvar.h> 42126353Smlaier#include <arpa/inet.h> 43126353Smlaier#include <altq/altq.h> 44126353Smlaier#include <altq/altq_cbq.h> 45126353Smlaier#include <altq/altq_priq.h> 46126353Smlaier#include <altq/altq_hfsc.h> 47126353Smlaier 48126353Smlaier#include <stdio.h> 49126353Smlaier#include <stdlib.h> 50126353Smlaier#include <netdb.h> 51126353Smlaier#include <stdarg.h> 52126353Smlaier#include <errno.h> 53126353Smlaier#include <string.h> 54126353Smlaier#include <ctype.h> 55145840Smlaier#include <math.h> 56126353Smlaier#include <err.h> 57127024Smlaier#include <limits.h> 58126353Smlaier#include <pwd.h> 59126353Smlaier#include <grp.h> 60126353Smlaier#include <md5.h> 61126353Smlaier 62126353Smlaier#include "pfctl_parser.h" 63126353Smlaier#include "pfctl.h" 64126353Smlaier 65127024Smlaier#ifdef __FreeBSD__ 66126361Smlaier#define HTONL(x) (x) = htonl((__uint32_t)(x)) 67126361Smlaier#endif 68126361Smlaier 69126353Smlaierstatic struct pfctl *pf = NULL; 70126353Smlaierstatic FILE *fin = NULL; 71126353Smlaierstatic int debug = 0; 72126353Smlaierstatic int lineno = 1; 73126353Smlaierstatic int errors = 0; 74126353Smlaierstatic int rulestate = 0; 75126353Smlaierstatic u_int16_t returnicmpdefault = 76126353Smlaier (ICMP_UNREACH << 8) | ICMP_UNREACH_PORT; 77126353Smlaierstatic u_int16_t returnicmp6default = 78126353Smlaier (ICMP6_DST_UNREACH << 8) | ICMP6_DST_UNREACH_NOPORT; 79126353Smlaierstatic int blockpolicy = PFRULE_DROP; 80126353Smlaierstatic int require_order = 1; 81130617Smlaierstatic int default_statelock; 82126353Smlaier 83126353Smlaierenum { 84126353Smlaier PFCTL_STATE_NONE, 85126353Smlaier PFCTL_STATE_OPTION, 86126353Smlaier PFCTL_STATE_SCRUB, 87126353Smlaier PFCTL_STATE_QUEUE, 88126353Smlaier PFCTL_STATE_NAT, 89126353Smlaier PFCTL_STATE_FILTER 90126353Smlaier}; 91126353Smlaier 92126353Smlaierstruct node_proto { 93126353Smlaier u_int8_t proto; 94126353Smlaier struct node_proto *next; 95126353Smlaier struct node_proto *tail; 96126353Smlaier}; 97126353Smlaier 98126353Smlaierstruct node_port { 99126353Smlaier u_int16_t port[2]; 100126353Smlaier u_int8_t op; 101126353Smlaier struct node_port *next; 102126353Smlaier struct node_port *tail; 103126353Smlaier}; 104126353Smlaier 105126353Smlaierstruct node_uid { 106126353Smlaier uid_t uid[2]; 107126353Smlaier u_int8_t op; 108126353Smlaier struct node_uid *next; 109126353Smlaier struct node_uid *tail; 110126353Smlaier}; 111126353Smlaier 112126353Smlaierstruct node_gid { 113126353Smlaier gid_t gid[2]; 114126353Smlaier u_int8_t op; 115126353Smlaier struct node_gid *next; 116126353Smlaier struct node_gid *tail; 117126353Smlaier}; 118126353Smlaier 119126353Smlaierstruct node_icmp { 120126353Smlaier u_int8_t code; 121126353Smlaier u_int8_t type; 122126353Smlaier u_int8_t proto; 123126353Smlaier struct node_icmp *next; 124126353Smlaier struct node_icmp *tail; 125126353Smlaier}; 126126353Smlaier 127130617Smlaierenum { PF_STATE_OPT_MAX, PF_STATE_OPT_NOSYNC, PF_STATE_OPT_SRCTRACK, 128145840Smlaier PF_STATE_OPT_MAX_SRC_STATES, PF_STATE_OPT_MAX_SRC_CONN, 129145840Smlaier PF_STATE_OPT_MAX_SRC_CONN_RATE, PF_STATE_OPT_MAX_SRC_NODES, 130145840Smlaier PF_STATE_OPT_OVERLOAD, PF_STATE_OPT_STATELOCK, 131145840Smlaier PF_STATE_OPT_TIMEOUT }; 132130617Smlaier 133130617Smlaierenum { PF_SRCTRACK_NONE, PF_SRCTRACK, PF_SRCTRACK_GLOBAL, PF_SRCTRACK_RULE }; 134130617Smlaier 135126353Smlaierstruct node_state_opt { 136126353Smlaier int type; 137126353Smlaier union { 138126353Smlaier u_int32_t max_states; 139130617Smlaier u_int32_t max_src_states; 140145840Smlaier u_int32_t max_src_conn; 141145840Smlaier struct { 142145840Smlaier u_int32_t limit; 143145840Smlaier u_int32_t seconds; 144145840Smlaier } max_src_conn_rate; 145145840Smlaier struct { 146145840Smlaier u_int8_t flush; 147145840Smlaier char tblname[PF_TABLE_NAME_SIZE]; 148145840Smlaier } overload; 149130617Smlaier u_int32_t max_src_nodes; 150130617Smlaier u_int8_t src_track; 151130617Smlaier u_int32_t statelock; 152126353Smlaier struct { 153126353Smlaier int number; 154126353Smlaier u_int32_t seconds; 155126353Smlaier } timeout; 156126353Smlaier } data; 157126353Smlaier struct node_state_opt *next; 158126353Smlaier struct node_state_opt *tail; 159126353Smlaier}; 160126353Smlaier 161126353Smlaierstruct peer { 162126353Smlaier struct node_host *host; 163126353Smlaier struct node_port *port; 164126353Smlaier}; 165126353Smlaier 166126353Smlaierstruct node_queue { 167126353Smlaier char queue[PF_QNAME_SIZE]; 168126353Smlaier char parent[PF_QNAME_SIZE]; 169126353Smlaier char ifname[IFNAMSIZ]; 170126353Smlaier int scheduler; 171126353Smlaier struct node_queue *next; 172126353Smlaier struct node_queue *tail; 173126353Smlaier} *queues = NULL; 174126353Smlaier 175126353Smlaierstruct node_qassign { 176126353Smlaier char *qname; 177126353Smlaier char *pqname; 178126353Smlaier}; 179126353Smlaier 180126353Smlaierstruct filter_opts { 181126353Smlaier int marker; 182126353Smlaier#define FOM_FLAGS 0x01 183126353Smlaier#define FOM_ICMP 0x02 184126353Smlaier#define FOM_TOS 0x04 185126353Smlaier#define FOM_KEEP 0x08 186130617Smlaier#define FOM_SRCTRACK 0x10 187126353Smlaier struct node_uid *uid; 188126353Smlaier struct node_gid *gid; 189126353Smlaier struct { 190126353Smlaier u_int8_t b1; 191126353Smlaier u_int8_t b2; 192126353Smlaier u_int16_t w; 193126353Smlaier u_int16_t w2; 194126353Smlaier } flags; 195126353Smlaier struct node_icmp *icmpspec; 196126353Smlaier u_int32_t tos; 197145840Smlaier u_int32_t prob; 198126353Smlaier struct { 199126353Smlaier int action; 200126353Smlaier struct node_state_opt *options; 201126353Smlaier } keep; 202126353Smlaier int fragment; 203126353Smlaier int allowopts; 204126353Smlaier char *label; 205126353Smlaier struct node_qassign queues; 206126353Smlaier char *tag; 207126353Smlaier char *match_tag; 208126353Smlaier u_int8_t match_tag_not; 209171172Smlaier int rtableid; 210126353Smlaier} filter_opts; 211126353Smlaier 212126353Smlaierstruct antispoof_opts { 213126353Smlaier char *label; 214171172Smlaier int rtableid; 215126353Smlaier} antispoof_opts; 216126353Smlaier 217126353Smlaierstruct scrub_opts { 218126353Smlaier int marker; 219126353Smlaier#define SOM_MINTTL 0x01 220126353Smlaier#define SOM_MAXMSS 0x02 221126353Smlaier#define SOM_FRAGCACHE 0x04 222126353Smlaier int nodf; 223126353Smlaier int minttl; 224126353Smlaier int maxmss; 225126353Smlaier int fragcache; 226126353Smlaier int randomid; 227126353Smlaier int reassemble_tcp; 228171172Smlaier int rtableid; 229126353Smlaier} scrub_opts; 230126353Smlaier 231126353Smlaierstruct queue_opts { 232126353Smlaier int marker; 233126353Smlaier#define QOM_BWSPEC 0x01 234126353Smlaier#define QOM_SCHEDULER 0x02 235126353Smlaier#define QOM_PRIORITY 0x04 236126353Smlaier#define QOM_TBRSIZE 0x08 237126353Smlaier#define QOM_QLIMIT 0x10 238126353Smlaier struct node_queue_bw queue_bwspec; 239126353Smlaier struct node_queue_opt scheduler; 240126353Smlaier int priority; 241126353Smlaier int tbrsize; 242126353Smlaier int qlimit; 243126353Smlaier} queue_opts; 244126353Smlaier 245126353Smlaierstruct table_opts { 246126353Smlaier int flags; 247126353Smlaier int init_addr; 248126353Smlaier struct node_tinithead init_nodes; 249126353Smlaier} table_opts; 250126353Smlaier 251130617Smlaierstruct pool_opts { 252130617Smlaier int marker; 253130617Smlaier#define POM_TYPE 0x01 254130617Smlaier#define POM_STICKYADDRESS 0x02 255130617Smlaier u_int8_t opts; 256130617Smlaier int type; 257130617Smlaier int staticport; 258130617Smlaier struct pf_poolhashkey *key; 259130617Smlaier 260130617Smlaier} pool_opts; 261130617Smlaier 262130617Smlaier 263126353Smlaierstruct node_hfsc_opts hfsc_opts; 264126353Smlaier 265126353Smlaierint yyerror(const char *, ...); 266126353Smlaierint disallow_table(struct node_host *, const char *); 267171172Smlaierint disallow_urpf_failed(struct node_host *, const char *); 268130617Smlaierint disallow_alias(struct node_host *, const char *); 269171172Smlaierint rule_consistent(struct pf_rule *, int); 270171172Smlaierint filter_consistent(struct pf_rule *, int); 271126353Smlaierint nat_consistent(struct pf_rule *); 272126353Smlaierint rdr_consistent(struct pf_rule *); 273126353Smlaierint process_tabledef(char *, struct table_opts *); 274126353Smlaierint yyparse(void); 275130617Smlaiervoid expand_label_str(char *, size_t, const char *, const char *); 276130617Smlaiervoid expand_label_if(const char *, char *, size_t, const char *); 277130617Smlaiervoid expand_label_addr(const char *, char *, size_t, u_int8_t, 278130617Smlaier struct node_host *); 279130617Smlaiervoid expand_label_port(const char *, char *, size_t, struct node_port *); 280130617Smlaiervoid expand_label_proto(const char *, char *, size_t, u_int8_t); 281130617Smlaiervoid expand_label_nr(const char *, char *, size_t); 282130617Smlaiervoid expand_label(char *, size_t, const char *, u_int8_t, struct node_host *, 283126353Smlaier struct node_port *, struct node_host *, struct node_port *, 284126353Smlaier u_int8_t); 285126353Smlaiervoid expand_rule(struct pf_rule *, struct node_if *, struct node_host *, 286126353Smlaier struct node_proto *, struct node_os*, struct node_host *, 287126353Smlaier struct node_port *, struct node_host *, struct node_port *, 288145840Smlaier struct node_uid *, struct node_gid *, struct node_icmp *, 289145840Smlaier const char *); 290126353Smlaierint expand_altq(struct pf_altq *, struct node_if *, struct node_queue *, 291126353Smlaier struct node_queue_bw bwspec, struct node_queue_opt *); 292126353Smlaierint expand_queue(struct pf_altq *, struct node_if *, struct node_queue *, 293126353Smlaier struct node_queue_bw, struct node_queue_opt *); 294145840Smlaierint expand_skip_interface(struct node_if *); 295126353Smlaier 296126353Smlaierint check_rulestate(int); 297126353Smlaierint kw_cmp(const void *, const void *); 298126353Smlaierint lookup(char *); 299126353Smlaierint lgetc(FILE *); 300126353Smlaierint lungetc(int); 301126353Smlaierint findeol(void); 302126353Smlaierint yylex(void); 303126353Smlaierint atoul(char *, u_long *); 304126353Smlaierint getservice(char *); 305126353Smlaierint rule_label(struct pf_rule *, char *); 306126353Smlaier 307126353SmlaierTAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead); 308126353Smlaierstruct sym { 309126353Smlaier TAILQ_ENTRY(sym) entries; 310126353Smlaier int used; 311126353Smlaier int persist; 312126353Smlaier char *nam; 313126353Smlaier char *val; 314126353Smlaier}; 315126353Smlaier 316126353Smlaier 317126353Smlaierint symset(const char *, const char *, int); 318126353Smlaierchar *symget(const char *); 319126353Smlaier 320171172Smlaiervoid mv_rules(struct pf_ruleset *, struct pf_ruleset *); 321126353Smlaiervoid decide_address_family(struct node_host *, sa_family_t *); 322126353Smlaiervoid remove_invalid_hosts(struct node_host **, sa_family_t *); 323126353Smlaierint invalid_redirect(struct node_host *, sa_family_t); 324126353Smlaieru_int16_t parseicmpspec(char *, sa_family_t); 325126353Smlaier 326130617SmlaierTAILQ_HEAD(loadanchorshead, loadanchors) 327130617Smlaier loadanchorshead = TAILQ_HEAD_INITIALIZER(loadanchorshead); 328130617Smlaier 329126353Smlaierstruct loadanchors { 330126353Smlaier TAILQ_ENTRY(loadanchors) entries; 331126353Smlaier char *anchorname; 332126353Smlaier char *filename; 333126353Smlaier}; 334126353Smlaier 335126353Smlaiertypedef struct { 336126353Smlaier union { 337126353Smlaier u_int32_t number; 338126353Smlaier int i; 339126353Smlaier char *string; 340171172Smlaier int rtableid; 341126353Smlaier struct { 342126353Smlaier u_int8_t b1; 343126353Smlaier u_int8_t b2; 344126353Smlaier u_int16_t w; 345126353Smlaier u_int16_t w2; 346126353Smlaier } b; 347126353Smlaier struct range { 348126353Smlaier int a; 349126353Smlaier int b; 350126353Smlaier int t; 351126353Smlaier } range; 352126353Smlaier struct node_if *interface; 353126353Smlaier struct node_proto *proto; 354126353Smlaier struct node_icmp *icmp; 355126353Smlaier struct node_host *host; 356126353Smlaier struct node_os *os; 357126353Smlaier struct node_port *port; 358126353Smlaier struct node_uid *uid; 359126353Smlaier struct node_gid *gid; 360126353Smlaier struct node_state_opt *state_opt; 361126353Smlaier struct peer peer; 362126353Smlaier struct { 363126353Smlaier struct peer src, dst; 364126353Smlaier struct node_os *src_os; 365126353Smlaier } fromto; 366126353Smlaier struct { 367126353Smlaier struct node_host *host; 368126353Smlaier u_int8_t rt; 369126353Smlaier u_int8_t pool_opts; 370126353Smlaier sa_family_t af; 371126353Smlaier struct pf_poolhashkey *key; 372126353Smlaier } route; 373126353Smlaier struct redirection { 374126353Smlaier struct node_host *host; 375126353Smlaier struct range rport; 376126353Smlaier } *redirection; 377126353Smlaier struct { 378126353Smlaier int action; 379126353Smlaier struct node_state_opt *options; 380126353Smlaier } keep_state; 381126353Smlaier struct { 382126353Smlaier u_int8_t log; 383171172Smlaier u_int8_t logif; 384126353Smlaier u_int8_t quick; 385126353Smlaier } logquick; 386145840Smlaier struct { 387145840Smlaier int neg; 388145840Smlaier char *name; 389145840Smlaier } tagged; 390130617Smlaier struct pf_poolhashkey *hashkey; 391126353Smlaier struct node_queue *queue; 392126353Smlaier struct node_queue_opt queue_options; 393126353Smlaier struct node_queue_bw queue_bwspec; 394126353Smlaier struct node_qassign qassign; 395126353Smlaier struct filter_opts filter_opts; 396126353Smlaier struct antispoof_opts antispoof_opts; 397126353Smlaier struct queue_opts queue_opts; 398126353Smlaier struct scrub_opts scrub_opts; 399126353Smlaier struct table_opts table_opts; 400130617Smlaier struct pool_opts pool_opts; 401126353Smlaier struct node_hfsc_opts hfsc_opts; 402126353Smlaier } v; 403126353Smlaier int lineno; 404126353Smlaier} YYSTYPE; 405126353Smlaier 406130617Smlaier#define DYNIF_MULTIADDR(addr) ((addr).type == PF_ADDR_DYNIFTL && \ 407130617Smlaier (!((addr).iflags & PFI_AFLAG_NOALIAS) || \ 408130617Smlaier !isdigit((addr).v.ifname[strlen((addr).v.ifname)-1]))) 409130617Smlaier 410126353Smlaier%} 411126353Smlaier 412171172Smlaier%token PASS BLOCK SCRUB RETURN IN OS OUT LOG QUICK ON FROM TO FLAGS 413126353Smlaier%token RETURNRST RETURNICMP RETURNICMP6 PROTO INET INET6 ALL ANY ICMPTYPE 414126353Smlaier%token ICMP6TYPE CODE KEEP MODULATE STATE PORT RDR NAT BINAT ARROW NODF 415126353Smlaier%token MINTTL ERROR ALLOWOPTS FASTROUTE FILENAME ROUTETO DUPTO REPLYTO NO LABEL 416171172Smlaier%token NOROUTE URPFFAILED FRAGMENT USER GROUP MAXMSS MAXIMUM TTL TOS DROP TABLE 417126353Smlaier%token REASSEMBLE FRAGDROP FRAGCROP ANCHOR NATANCHOR RDRANCHOR BINATANCHOR 418126353Smlaier%token SET OPTIMIZATION TIMEOUT LIMIT LOGINTERFACE BLOCKPOLICY RANDOMID 419145840Smlaier%token REQUIREORDER SYNPROXY FINGERPRINTS NOSYNC DEBUG SKIP HOSTID 420126353Smlaier%token ANTISPOOF FOR 421145840Smlaier%token BITMASK RANDOM SOURCEHASH ROUNDROBIN STATICPORT PROBABILITY 422126353Smlaier%token ALTQ CBQ PRIQ HFSC BANDWIDTH TBRSIZE LINKSHARE REALTIME UPPERLIMIT 423171172Smlaier%token QUEUE PRIORITY QLIMIT RTABLE 424171172Smlaier%token LOAD RULESET_OPTIMIZATION 425130617Smlaier%token STICKYADDRESS MAXSRCSTATES MAXSRCNODES SOURCETRACK GLOBAL RULE 426145840Smlaier%token MAXSRCCONN MAXSRCCONNRATE OVERLOAD FLUSH 427171172Smlaier%token TAGGED TAG IFBOUND FLOATING STATEPOLICY ROUTE 428126353Smlaier%token <v.string> STRING 429126353Smlaier%token <v.i> PORTBINARY 430126353Smlaier%type <v.interface> interface if_list if_item_not if_item 431126353Smlaier%type <v.number> number icmptype icmp6type uid gid 432171172Smlaier%type <v.number> tos not yesno 433171172Smlaier%type <v.i> no dir af fragcache optimizer 434171172Smlaier%type <v.i> sourcetrack flush unaryop statelock 435171172Smlaier%type <v.b> action nataction natpass scrubaction 436145840Smlaier%type <v.b> flags flag blockspec 437126353Smlaier%type <v.range> port rport 438126353Smlaier%type <v.hashkey> hashkey 439126353Smlaier%type <v.proto> proto proto_list proto_item 440126353Smlaier%type <v.icmp> icmpspec 441126353Smlaier%type <v.icmp> icmp_list icmp_item 442126353Smlaier%type <v.icmp> icmp6_list icmp6_item 443126353Smlaier%type <v.fromto> fromto 444126353Smlaier%type <v.peer> ipportspec from to 445126353Smlaier%type <v.host> ipspec xhost host dynaddr host_list 446126353Smlaier%type <v.host> redir_host_list redirspec 447126353Smlaier%type <v.host> route_host route_host_list routespec 448126353Smlaier%type <v.os> os xos os_list 449126353Smlaier%type <v.port> portspec port_list port_item 450126353Smlaier%type <v.uid> uids uid_list uid_item 451126353Smlaier%type <v.gid> gids gid_list gid_item 452126353Smlaier%type <v.route> route 453126353Smlaier%type <v.redirection> redirection redirpool 454171172Smlaier%type <v.string> label string tag anchorname 455126353Smlaier%type <v.keep_state> keep 456126353Smlaier%type <v.state_opt> state_opt_spec state_opt_list state_opt_item 457171172Smlaier%type <v.logquick> logquick quick log logopts logopt 458145840Smlaier%type <v.interface> antispoof_ifspc antispoof_iflst antispoof_if 459126353Smlaier%type <v.qassign> qname 460126353Smlaier%type <v.queue> qassign qassign_list qassign_item 461126353Smlaier%type <v.queue_options> scheduler 462126353Smlaier%type <v.number> cbqflags_list cbqflags_item 463126353Smlaier%type <v.number> priqflags_list priqflags_item 464126353Smlaier%type <v.hfsc_opts> hfscopts_list hfscopts_item hfsc_opts 465126353Smlaier%type <v.queue_bwspec> bandwidth 466126353Smlaier%type <v.filter_opts> filter_opts filter_opt filter_opts_l 467126353Smlaier%type <v.antispoof_opts> antispoof_opts antispoof_opt antispoof_opts_l 468126353Smlaier%type <v.queue_opts> queue_opts queue_opt queue_opts_l 469126353Smlaier%type <v.scrub_opts> scrub_opts scrub_opt scrub_opts_l 470126353Smlaier%type <v.table_opts> table_opts table_opt table_opts_l 471130617Smlaier%type <v.pool_opts> pool_opts pool_opt pool_opts_l 472145840Smlaier%type <v.tagged> tagged 473171172Smlaier%type <v.rtableid> rtable 474126353Smlaier%% 475126353Smlaier 476126353Smlaierruleset : /* empty */ 477126353Smlaier | ruleset '\n' 478126353Smlaier | ruleset option '\n' 479126353Smlaier | ruleset scrubrule '\n' 480126353Smlaier | ruleset natrule '\n' 481126353Smlaier | ruleset binatrule '\n' 482126353Smlaier | ruleset pfrule '\n' 483126353Smlaier | ruleset anchorrule '\n' 484126353Smlaier | ruleset loadrule '\n' 485126353Smlaier | ruleset altqif '\n' 486126353Smlaier | ruleset queuespec '\n' 487126353Smlaier | ruleset varset '\n' 488126353Smlaier | ruleset antispoof '\n' 489126353Smlaier | ruleset tabledef '\n' 490171172Smlaier | '{' fakeanchor '}' '\n'; 491126353Smlaier | ruleset error '\n' { errors++; } 492126353Smlaier ; 493126353Smlaier 494171172Smlaier/* 495171172Smlaier * apply to previouslys specified rule: must be careful to note 496171172Smlaier * what that is: pf or nat or binat or rdr 497171172Smlaier */ 498171172Smlaierfakeanchor : fakeanchor '\n' 499171172Smlaier | fakeanchor anchorrule '\n' 500171172Smlaier | fakeanchor binatrule '\n' 501171172Smlaier | fakeanchor natrule '\n' 502171172Smlaier | fakeanchor pfrule '\n' 503171172Smlaier | fakeanchor error '\n' 504171172Smlaier ; 505171172Smlaier 506171172Smlaieroptimizer : string { 507171172Smlaier if (!strcmp($1, "none")) 508171172Smlaier $$ = 0; 509171172Smlaier else if (!strcmp($1, "basic")) 510171172Smlaier $$ = PF_OPTIMIZE_BASIC; 511171172Smlaier else if (!strcmp($1, "profile")) 512171172Smlaier $$ = PF_OPTIMIZE_BASIC | PF_OPTIMIZE_PROFILE; 513171172Smlaier else { 514171172Smlaier yyerror("unknown ruleset-optimization %s", $$); 515171172Smlaier YYERROR; 516171172Smlaier } 517171172Smlaier } 518171172Smlaier ; 519171172Smlaier 520126353Smlaieroption : SET OPTIMIZATION STRING { 521130617Smlaier if (check_rulestate(PFCTL_STATE_OPTION)) { 522130617Smlaier free($3); 523126353Smlaier YYERROR; 524130617Smlaier } 525126353Smlaier if (pfctl_set_optimization(pf, $3) != 0) { 526126353Smlaier yyerror("unknown optimization %s", $3); 527130617Smlaier free($3); 528126353Smlaier YYERROR; 529126353Smlaier } 530171172Smlaier free($3); 531126353Smlaier } 532171172Smlaier | SET RULESET_OPTIMIZATION optimizer { 533171172Smlaier if (!(pf->opts & PF_OPT_OPTIMIZE)) { 534171172Smlaier pf->opts |= PF_OPT_OPTIMIZE; 535171172Smlaier pf->optimize = $3; 536171172Smlaier } 537171172Smlaier } 538126353Smlaier | SET TIMEOUT timeout_spec 539126353Smlaier | SET TIMEOUT '{' timeout_list '}' 540126353Smlaier | SET LIMIT limit_spec 541126353Smlaier | SET LIMIT '{' limit_list '}' 542126353Smlaier | SET LOGINTERFACE STRING { 543130617Smlaier if (check_rulestate(PFCTL_STATE_OPTION)) { 544130617Smlaier free($3); 545126353Smlaier YYERROR; 546130617Smlaier } 547126353Smlaier if (pfctl_set_logif(pf, $3) != 0) { 548126353Smlaier yyerror("error setting loginterface %s", $3); 549130617Smlaier free($3); 550126353Smlaier YYERROR; 551126353Smlaier } 552130617Smlaier free($3); 553126353Smlaier } 554130617Smlaier | SET HOSTID number { 555130617Smlaier if ($3 == 0) { 556130617Smlaier yyerror("hostid must be non-zero"); 557130617Smlaier YYERROR; 558130617Smlaier } 559130617Smlaier if (pfctl_set_hostid(pf, $3) != 0) { 560145840Smlaier yyerror("error setting hostid %08x", $3); 561130617Smlaier YYERROR; 562130617Smlaier } 563130617Smlaier } 564126353Smlaier | SET BLOCKPOLICY DROP { 565126353Smlaier if (pf->opts & PF_OPT_VERBOSE) 566126353Smlaier printf("set block-policy drop\n"); 567126353Smlaier if (check_rulestate(PFCTL_STATE_OPTION)) 568126353Smlaier YYERROR; 569126353Smlaier blockpolicy = PFRULE_DROP; 570126353Smlaier } 571126353Smlaier | SET BLOCKPOLICY RETURN { 572126353Smlaier if (pf->opts & PF_OPT_VERBOSE) 573126353Smlaier printf("set block-policy return\n"); 574126353Smlaier if (check_rulestate(PFCTL_STATE_OPTION)) 575126353Smlaier YYERROR; 576126353Smlaier blockpolicy = PFRULE_RETURN; 577126353Smlaier } 578126353Smlaier | SET REQUIREORDER yesno { 579126353Smlaier if (pf->opts & PF_OPT_VERBOSE) 580126353Smlaier printf("set require-order %s\n", 581126353Smlaier $3 == 1 ? "yes" : "no"); 582126353Smlaier require_order = $3; 583126353Smlaier } 584126353Smlaier | SET FINGERPRINTS STRING { 585126353Smlaier if (pf->opts & PF_OPT_VERBOSE) 586171172Smlaier printf("set fingerprints \"%s\"\n", $3); 587130617Smlaier if (check_rulestate(PFCTL_STATE_OPTION)) { 588130617Smlaier free($3); 589126353Smlaier YYERROR; 590130617Smlaier } 591171172Smlaier if (!pf->anchor->name[0]) { 592145840Smlaier if (pfctl_file_fingerprints(pf->dev, 593145840Smlaier pf->opts, $3)) { 594145840Smlaier yyerror("error loading " 595145840Smlaier "fingerprints %s", $3); 596145840Smlaier free($3); 597145840Smlaier YYERROR; 598145840Smlaier } 599126353Smlaier } 600130617Smlaier free($3); 601126353Smlaier } 602130617Smlaier | SET STATEPOLICY statelock { 603130617Smlaier if (pf->opts & PF_OPT_VERBOSE) 604130617Smlaier switch ($3) { 605130617Smlaier case 0: 606130617Smlaier printf("set state-policy floating\n"); 607130617Smlaier break; 608130617Smlaier case PFRULE_IFBOUND: 609130617Smlaier printf("set state-policy if-bound\n"); 610130617Smlaier break; 611130617Smlaier } 612130617Smlaier default_statelock = $3; 613130617Smlaier } 614130617Smlaier | SET DEBUG STRING { 615130617Smlaier if (check_rulestate(PFCTL_STATE_OPTION)) { 616130617Smlaier free($3); 617130617Smlaier YYERROR; 618130617Smlaier } 619130617Smlaier if (pfctl_set_debug(pf, $3) != 0) { 620130617Smlaier yyerror("error setting debuglevel %s", $3); 621130617Smlaier free($3); 622130617Smlaier YYERROR; 623130617Smlaier } 624130617Smlaier free($3); 625130617Smlaier } 626145840Smlaier | SET SKIP interface { 627145840Smlaier if (expand_skip_interface($3) != 0) { 628145840Smlaier yyerror("error setting skip interface(s)"); 629145840Smlaier YYERROR; 630145840Smlaier } 631145840Smlaier } 632126353Smlaier ; 633126353Smlaier 634126353Smlaierstring : string STRING { 635126353Smlaier if (asprintf(&$$, "%s %s", $1, $2) == -1) 636126353Smlaier err(1, "string: asprintf"); 637126353Smlaier free($1); 638126353Smlaier free($2); 639126353Smlaier } 640126353Smlaier | STRING 641126353Smlaier ; 642126353Smlaier 643126353Smlaiervarset : STRING '=' string { 644126353Smlaier if (pf->opts & PF_OPT_VERBOSE) 645126353Smlaier printf("%s = \"%s\"\n", $1, $3); 646126353Smlaier if (symset($1, $3, 0) == -1) 647126353Smlaier err(1, "cannot store variable %s", $1); 648130617Smlaier free($1); 649130617Smlaier free($3); 650126353Smlaier } 651126353Smlaier ; 652126353Smlaier 653171172Smlaieranchorname : STRING { $$ = $1; } 654171172Smlaier | /* empty */ { $$ = NULL; } 655171172Smlaier ; 656171172Smlaier 657171172Smlaieroptnl : optnl '\n' 658171172Smlaier | 659171172Smlaier ; 660171172Smlaier 661171172Smlaierpfa_anchorlist : pfrule optnl 662171172Smlaier | anchorrule optnl 663171172Smlaier | pfa_anchorlist pfrule optnl 664171172Smlaier | pfa_anchorlist anchorrule optnl 665171172Smlaier ; 666171172Smlaier 667171172Smlaierpfa_anchor : '{' 668171172Smlaier { 669171172Smlaier char ta[PF_ANCHOR_NAME_SIZE]; 670171172Smlaier struct pf_ruleset *rs; 671171172Smlaier 672171172Smlaier /* steping into a brace anchor */ 673171172Smlaier pf->asd++; 674171172Smlaier pf->bn++; 675171172Smlaier pf->brace = 1; 676171172Smlaier 677171172Smlaier /* create a holding ruleset in the root */ 678171172Smlaier snprintf(ta, PF_ANCHOR_NAME_SIZE, "_%d", pf->bn); 679171172Smlaier rs = pf_find_or_create_ruleset(ta); 680171172Smlaier if (rs == NULL) 681171172Smlaier err(1, "pfa_anchor: pf_find_or_create_ruleset"); 682171172Smlaier pf->astack[pf->asd] = rs->anchor; 683171172Smlaier pf->anchor = rs->anchor; 684171172Smlaier } '\n' pfa_anchorlist '}' 685171172Smlaier { 686171172Smlaier pf->alast = pf->anchor; 687171172Smlaier pf->asd--; 688171172Smlaier pf->anchor = pf->astack[pf->asd]; 689171172Smlaier } 690171172Smlaier | /* empty */ 691171172Smlaier ; 692171172Smlaier 693171172Smlaieranchorrule : ANCHOR anchorname dir quick interface af proto fromto 694171172Smlaier filter_opts pfa_anchor 695171172Smlaier { 696126353Smlaier struct pf_rule r; 697126353Smlaier 698130617Smlaier if (check_rulestate(PFCTL_STATE_FILTER)) { 699171172Smlaier if ($2) 700171172Smlaier free($2); 701171172Smlaier YYERROR; 702171172Smlaier } 703171172Smlaier 704171172Smlaier if ($2 && ($2[0] == '_' || strstr($2, "/_") != NULL)) { 705130617Smlaier free($2); 706171172Smlaier yyerror("anchor names beginning with '_' " 707171172Smlaier "are reserved for internal use"); 708126353Smlaier YYERROR; 709130617Smlaier } 710126353Smlaier 711145840Smlaier memset(&r, 0, sizeof(r)); 712171172Smlaier if (pf->astack[pf->asd + 1]) { 713171172Smlaier /* move inline rules into relative location */ 714171172Smlaier pf_anchor_setup(&r, 715171172Smlaier &pf->astack[pf->asd]->ruleset, 716171172Smlaier $2 ? $2 : pf->alast->name); 717171172Smlaier 718171172Smlaier if (r.anchor == NULL) 719171172Smlaier err(1, "anchorrule: unable to " 720171172Smlaier "create ruleset"); 721171172Smlaier 722171172Smlaier if (pf->alast != r.anchor) { 723171172Smlaier if (r.anchor->match) { 724171172Smlaier yyerror("inline anchor '%s' " 725171172Smlaier "already exists", 726171172Smlaier r.anchor->name); 727171172Smlaier YYERROR; 728171172Smlaier } 729171172Smlaier mv_rules(&pf->alast->ruleset, 730171172Smlaier &r.anchor->ruleset); 731171172Smlaier } 732171172Smlaier pf_remove_if_empty_ruleset(&pf->alast->ruleset); 733171172Smlaier pf->alast = r.anchor; 734171172Smlaier } else { 735171172Smlaier if (!$2) { 736171172Smlaier yyerror("anchors without explicit " 737171172Smlaier "rules must specify a name"); 738171172Smlaier YYERROR; 739171172Smlaier } 740171172Smlaier } 741126353Smlaier r.direction = $3; 742171172Smlaier r.quick = $4.quick; 743171172Smlaier r.af = $6; 744171172Smlaier r.prob = $9.prob; 745171172Smlaier r.rtableid = $9.rtableid; 746126353Smlaier 747171172Smlaier if ($9.match_tag) 748171172Smlaier if (strlcpy(r.match_tagname, $9.match_tag, 749130617Smlaier PF_TAG_NAME_SIZE) >= PF_TAG_NAME_SIZE) { 750130617Smlaier yyerror("tag too long, max %u chars", 751130617Smlaier PF_TAG_NAME_SIZE - 1); 752130617Smlaier YYERROR; 753130617Smlaier } 754171172Smlaier r.match_tag_not = $9.match_tag_not; 755130617Smlaier 756171172Smlaier decide_address_family($8.src.host, &r.af); 757171172Smlaier decide_address_family($8.dst.host, &r.af); 758126353Smlaier 759171172Smlaier expand_rule(&r, $5, NULL, $7, $8.src_os, 760171172Smlaier $8.src.host, $8.src.port, $8.dst.host, $8.dst.port, 761171172Smlaier 0, 0, 0, pf->astack[pf->asd + 1] ? 762171172Smlaier pf->alast->name : $2); 763145840Smlaier free($2); 764171172Smlaier pf->astack[pf->asd + 1] = NULL; 765126353Smlaier } 766171172Smlaier | NATANCHOR string interface af proto fromto rtable { 767126353Smlaier struct pf_rule r; 768126353Smlaier 769130617Smlaier if (check_rulestate(PFCTL_STATE_NAT)) { 770130617Smlaier free($2); 771126353Smlaier YYERROR; 772130617Smlaier } 773126353Smlaier 774145840Smlaier memset(&r, 0, sizeof(r)); 775126353Smlaier r.action = PF_NAT; 776126353Smlaier r.af = $4; 777171172Smlaier r.rtableid = $7; 778126353Smlaier 779126353Smlaier decide_address_family($6.src.host, &r.af); 780126353Smlaier decide_address_family($6.dst.host, &r.af); 781126353Smlaier 782126353Smlaier expand_rule(&r, $3, NULL, $5, $6.src_os, 783126353Smlaier $6.src.host, $6.src.port, $6.dst.host, $6.dst.port, 784145840Smlaier 0, 0, 0, $2); 785145840Smlaier free($2); 786126353Smlaier } 787171172Smlaier | RDRANCHOR string interface af proto fromto rtable { 788126353Smlaier struct pf_rule r; 789126353Smlaier 790130617Smlaier if (check_rulestate(PFCTL_STATE_NAT)) { 791130617Smlaier free($2); 792126353Smlaier YYERROR; 793130617Smlaier } 794126353Smlaier 795145840Smlaier memset(&r, 0, sizeof(r)); 796126353Smlaier r.action = PF_RDR; 797126353Smlaier r.af = $4; 798171172Smlaier r.rtableid = $7; 799126353Smlaier 800126353Smlaier decide_address_family($6.src.host, &r.af); 801126353Smlaier decide_address_family($6.dst.host, &r.af); 802126353Smlaier 803126353Smlaier if ($6.src.port != NULL) { 804126353Smlaier yyerror("source port parameter not supported" 805126353Smlaier " in rdr-anchor"); 806126353Smlaier YYERROR; 807126353Smlaier } 808126353Smlaier if ($6.dst.port != NULL) { 809126353Smlaier if ($6.dst.port->next != NULL) { 810126353Smlaier yyerror("destination port list " 811126353Smlaier "expansion not supported in " 812126353Smlaier "rdr-anchor"); 813126353Smlaier YYERROR; 814126353Smlaier } else if ($6.dst.port->op != PF_OP_EQ) { 815126353Smlaier yyerror("destination port operators" 816126353Smlaier " not supported in rdr-anchor"); 817126353Smlaier YYERROR; 818126353Smlaier } 819126353Smlaier r.dst.port[0] = $6.dst.port->port[0]; 820126353Smlaier r.dst.port[1] = $6.dst.port->port[1]; 821126353Smlaier r.dst.port_op = $6.dst.port->op; 822126353Smlaier } 823126353Smlaier 824126353Smlaier expand_rule(&r, $3, NULL, $5, $6.src_os, 825126353Smlaier $6.src.host, $6.src.port, $6.dst.host, $6.dst.port, 826145840Smlaier 0, 0, 0, $2); 827145840Smlaier free($2); 828126353Smlaier } 829171172Smlaier | BINATANCHOR string interface af proto fromto rtable { 830126353Smlaier struct pf_rule r; 831126353Smlaier 832130617Smlaier if (check_rulestate(PFCTL_STATE_NAT)) { 833130617Smlaier free($2); 834126353Smlaier YYERROR; 835130617Smlaier } 836126353Smlaier 837145840Smlaier memset(&r, 0, sizeof(r)); 838126353Smlaier r.action = PF_BINAT; 839126353Smlaier r.af = $4; 840171172Smlaier r.rtableid = $7; 841126353Smlaier if ($5 != NULL) { 842126353Smlaier if ($5->next != NULL) { 843126353Smlaier yyerror("proto list expansion" 844126353Smlaier " not supported in binat-anchor"); 845126353Smlaier YYERROR; 846126353Smlaier } 847126353Smlaier r.proto = $5->proto; 848126353Smlaier free($5); 849126353Smlaier } 850126353Smlaier 851126353Smlaier if ($6.src.host != NULL || $6.src.port != NULL || 852126353Smlaier $6.dst.host != NULL || $6.dst.port != NULL) { 853126353Smlaier yyerror("fromto parameter not supported" 854126353Smlaier " in binat-anchor"); 855126353Smlaier YYERROR; 856126353Smlaier } 857126353Smlaier 858126353Smlaier decide_address_family($6.src.host, &r.af); 859126353Smlaier decide_address_family($6.dst.host, &r.af); 860126353Smlaier 861145840Smlaier pfctl_add_rule(pf, &r, $2); 862145840Smlaier free($2); 863126353Smlaier } 864126353Smlaier ; 865126353Smlaier 866126353Smlaierloadrule : LOAD ANCHOR string FROM string { 867126353Smlaier struct loadanchors *loadanchor; 868126353Smlaier 869171172Smlaier if (strlen(pf->anchor->name) + 1 + 870171172Smlaier strlen($3) >= MAXPATHLEN) { 871126353Smlaier yyerror("anchorname %s too long, max %u\n", 872145840Smlaier $3, MAXPATHLEN - 1); 873145840Smlaier free($3); 874126353Smlaier YYERROR; 875126353Smlaier } 876126353Smlaier loadanchor = calloc(1, sizeof(struct loadanchors)); 877126353Smlaier if (loadanchor == NULL) 878126353Smlaier err(1, "loadrule: calloc"); 879171172Smlaier if ((loadanchor->anchorname = malloc(MAXPATHLEN)) == 880171172Smlaier NULL) 881171172Smlaier err(1, "loadrule: malloc"); 882171172Smlaier if (pf->anchor->name[0]) 883171172Smlaier snprintf(loadanchor->anchorname, MAXPATHLEN, 884171172Smlaier "%s/%s", pf->anchor->name, $3); 885171172Smlaier else 886171172Smlaier strlcpy(loadanchor->anchorname, $3, MAXPATHLEN); 887126353Smlaier if ((loadanchor->filename = strdup($5)) == NULL) 888126353Smlaier err(1, "loadrule: strdup"); 889126353Smlaier 890126353Smlaier TAILQ_INSERT_TAIL(&loadanchorshead, loadanchor, 891126353Smlaier entries); 892126353Smlaier 893145840Smlaier free($3); 894126353Smlaier free($5); 895126353Smlaier }; 896126353Smlaier 897145840Smlaierscrubaction : no SCRUB { 898145840Smlaier $$.b2 = $$.w = 0; 899145840Smlaier if ($1) 900145840Smlaier $$.b1 = PF_NOSCRUB; 901145840Smlaier else 902145840Smlaier $$.b1 = PF_SCRUB; 903145840Smlaier } 904145840Smlaier ; 905145840Smlaier 906145840Smlaierscrubrule : scrubaction dir logquick interface af proto fromto scrub_opts 907126353Smlaier { 908126353Smlaier struct pf_rule r; 909126353Smlaier 910126353Smlaier if (check_rulestate(PFCTL_STATE_SCRUB)) 911126353Smlaier YYERROR; 912126353Smlaier 913126353Smlaier memset(&r, 0, sizeof(r)); 914126353Smlaier 915145840Smlaier r.action = $1.b1; 916126353Smlaier r.direction = $2; 917126353Smlaier 918126353Smlaier r.log = $3.log; 919171172Smlaier r.logif = $3.logif; 920126353Smlaier if ($3.quick) { 921126353Smlaier yyerror("scrub rules do not support 'quick'"); 922126353Smlaier YYERROR; 923126353Smlaier } 924126353Smlaier 925126353Smlaier r.af = $5; 926126353Smlaier if ($8.nodf) 927126353Smlaier r.rule_flag |= PFRULE_NODF; 928126353Smlaier if ($8.randomid) 929126353Smlaier r.rule_flag |= PFRULE_RANDOMID; 930126353Smlaier if ($8.reassemble_tcp) { 931126353Smlaier if (r.direction != PF_INOUT) { 932126353Smlaier yyerror("reassemble tcp rules can not " 933126353Smlaier "specify direction"); 934126353Smlaier YYERROR; 935126353Smlaier } 936126353Smlaier r.rule_flag |= PFRULE_REASSEMBLE_TCP; 937126353Smlaier } 938126353Smlaier if ($8.minttl) 939126353Smlaier r.min_ttl = $8.minttl; 940126353Smlaier if ($8.maxmss) 941126353Smlaier r.max_mss = $8.maxmss; 942126353Smlaier if ($8.fragcache) 943126353Smlaier r.rule_flag |= $8.fragcache; 944171172Smlaier r.rtableid = $8.rtableid; 945126353Smlaier 946126353Smlaier expand_rule(&r, $4, NULL, $6, $7.src_os, 947126353Smlaier $7.src.host, $7.src.port, $7.dst.host, $7.dst.port, 948145840Smlaier NULL, NULL, NULL, ""); 949126353Smlaier } 950126353Smlaier ; 951126353Smlaier 952126353Smlaierscrub_opts : { 953171172Smlaier bzero(&scrub_opts, sizeof scrub_opts); 954171172Smlaier scrub_opts.rtableid = -1; 955171172Smlaier } 956130617Smlaier scrub_opts_l 957126353Smlaier { $$ = scrub_opts; } 958126353Smlaier | /* empty */ { 959126353Smlaier bzero(&scrub_opts, sizeof scrub_opts); 960171172Smlaier scrub_opts.rtableid = -1; 961126353Smlaier $$ = scrub_opts; 962126353Smlaier } 963126353Smlaier ; 964126353Smlaier 965126353Smlaierscrub_opts_l : scrub_opts_l scrub_opt 966126353Smlaier | scrub_opt 967126353Smlaier ; 968126353Smlaier 969126353Smlaierscrub_opt : NODF { 970126353Smlaier if (scrub_opts.nodf) { 971126353Smlaier yyerror("no-df cannot be respecified"); 972126353Smlaier YYERROR; 973126353Smlaier } 974126353Smlaier scrub_opts.nodf = 1; 975126353Smlaier } 976126353Smlaier | MINTTL number { 977126353Smlaier if (scrub_opts.marker & SOM_MINTTL) { 978126353Smlaier yyerror("min-ttl cannot be respecified"); 979126353Smlaier YYERROR; 980126353Smlaier } 981126353Smlaier if ($2 > 255) { 982126353Smlaier yyerror("illegal min-ttl value %d", $2); 983126353Smlaier YYERROR; 984126353Smlaier } 985126353Smlaier scrub_opts.marker |= SOM_MINTTL; 986126353Smlaier scrub_opts.minttl = $2; 987126353Smlaier } 988126353Smlaier | MAXMSS number { 989126353Smlaier if (scrub_opts.marker & SOM_MAXMSS) { 990126353Smlaier yyerror("max-mss cannot be respecified"); 991126353Smlaier YYERROR; 992126353Smlaier } 993126353Smlaier if ($2 > 65535) { 994126353Smlaier yyerror("illegal max-mss value %d", $2); 995126353Smlaier YYERROR; 996126353Smlaier } 997126353Smlaier scrub_opts.marker |= SOM_MAXMSS; 998126353Smlaier scrub_opts.maxmss = $2; 999126353Smlaier } 1000126353Smlaier | fragcache { 1001126353Smlaier if (scrub_opts.marker & SOM_FRAGCACHE) { 1002126353Smlaier yyerror("fragcache cannot be respecified"); 1003126353Smlaier YYERROR; 1004126353Smlaier } 1005126353Smlaier scrub_opts.marker |= SOM_FRAGCACHE; 1006126353Smlaier scrub_opts.fragcache = $1; 1007126353Smlaier } 1008126353Smlaier | REASSEMBLE STRING { 1009130617Smlaier if (strcasecmp($2, "tcp") != 0) { 1010145840Smlaier yyerror("scrub reassemble supports only tcp, " 1011145840Smlaier "not '%s'", $2); 1012130617Smlaier free($2); 1013126353Smlaier YYERROR; 1014130617Smlaier } 1015130617Smlaier free($2); 1016126353Smlaier if (scrub_opts.reassemble_tcp) { 1017126353Smlaier yyerror("reassemble tcp cannot be respecified"); 1018126353Smlaier YYERROR; 1019126353Smlaier } 1020126353Smlaier scrub_opts.reassemble_tcp = 1; 1021126353Smlaier } 1022126353Smlaier | RANDOMID { 1023126353Smlaier if (scrub_opts.randomid) { 1024126353Smlaier yyerror("random-id cannot be respecified"); 1025126353Smlaier YYERROR; 1026126353Smlaier } 1027126353Smlaier scrub_opts.randomid = 1; 1028126353Smlaier } 1029171172Smlaier | RTABLE number { 1030178894Sjulian#ifndef __FreeBSD__ 1031171172Smlaier if ($2 > RT_TABLEID_MAX || $2 < 0) { 1032171172Smlaier yyerror("invalid rtable id"); 1033171172Smlaier YYERROR; 1034171172Smlaier } 1035178894Sjulian#endif 1036171172Smlaier scrub_opts.rtableid = $2; 1037171172Smlaier } 1038126353Smlaier ; 1039126353Smlaier 1040126353Smlaierfragcache : FRAGMENT REASSEMBLE { $$ = 0; /* default */ } 1041126353Smlaier | FRAGMENT FRAGCROP { $$ = PFRULE_FRAGCROP; } 1042126353Smlaier | FRAGMENT FRAGDROP { $$ = PFRULE_FRAGDROP; } 1043126353Smlaier ; 1044126353Smlaier 1045126353Smlaierantispoof : ANTISPOOF logquick antispoof_ifspc af antispoof_opts { 1046126353Smlaier struct pf_rule r; 1047145840Smlaier struct node_host *h = NULL, *hh; 1048126353Smlaier struct node_if *i, *j; 1049126353Smlaier 1050126353Smlaier if (check_rulestate(PFCTL_STATE_FILTER)) 1051126353Smlaier YYERROR; 1052126353Smlaier 1053126353Smlaier for (i = $3; i; i = i->next) { 1054126353Smlaier bzero(&r, sizeof(r)); 1055126353Smlaier 1056126353Smlaier r.action = PF_DROP; 1057126353Smlaier r.direction = PF_IN; 1058126353Smlaier r.log = $2.log; 1059171172Smlaier r.logif = $2.logif; 1060126353Smlaier r.quick = $2.quick; 1061126353Smlaier r.af = $4; 1062126353Smlaier if (rule_label(&r, $5.label)) 1063126353Smlaier YYERROR; 1064171172Smlaier r.rtableid = $5.rtableid; 1065126353Smlaier j = calloc(1, sizeof(struct node_if)); 1066126353Smlaier if (j == NULL) 1067126353Smlaier err(1, "antispoof: calloc"); 1068126353Smlaier if (strlcpy(j->ifname, i->ifname, 1069126353Smlaier sizeof(j->ifname)) >= sizeof(j->ifname)) { 1070126353Smlaier free(j); 1071126353Smlaier yyerror("interface name too long"); 1072126353Smlaier YYERROR; 1073126353Smlaier } 1074126353Smlaier j->not = 1; 1075145840Smlaier if (i->dynamic) { 1076145840Smlaier h = calloc(1, sizeof(*h)); 1077145840Smlaier if (h == NULL) 1078145840Smlaier err(1, "address: calloc"); 1079145840Smlaier h->addr.type = PF_ADDR_DYNIFTL; 1080145840Smlaier set_ipmask(h, 128); 1081145840Smlaier if (strlcpy(h->addr.v.ifname, i->ifname, 1082145840Smlaier sizeof(h->addr.v.ifname)) >= 1083145840Smlaier sizeof(h->addr.v.ifname)) { 1084145840Smlaier free(h); 1085145840Smlaier yyerror( 1086145840Smlaier "interface name too long"); 1087145840Smlaier YYERROR; 1088145840Smlaier } 1089145840Smlaier hh = malloc(sizeof(*hh)); 1090145840Smlaier if (hh == NULL) 1091145840Smlaier err(1, "address: malloc"); 1092145840Smlaier bcopy(h, hh, sizeof(*hh)); 1093145840Smlaier h->addr.iflags = PFI_AFLAG_NETWORK; 1094145840Smlaier } else { 1095145840Smlaier h = ifa_lookup(j->ifname, 1096145840Smlaier PFI_AFLAG_NETWORK); 1097145840Smlaier hh = NULL; 1098145840Smlaier } 1099126353Smlaier 1100130617Smlaier if (h != NULL) 1101130617Smlaier expand_rule(&r, j, NULL, NULL, NULL, h, 1102145840Smlaier NULL, NULL, NULL, NULL, NULL, 1103145840Smlaier NULL, ""); 1104126353Smlaier 1105126353Smlaier if ((i->ifa_flags & IFF_LOOPBACK) == 0) { 1106126353Smlaier bzero(&r, sizeof(r)); 1107126353Smlaier 1108126353Smlaier r.action = PF_DROP; 1109126353Smlaier r.direction = PF_IN; 1110126353Smlaier r.log = $2.log; 1111126353Smlaier r.quick = $2.quick; 1112126353Smlaier r.af = $4; 1113126353Smlaier if (rule_label(&r, $5.label)) 1114126353Smlaier YYERROR; 1115171172Smlaier r.rtableid = $5.rtableid; 1116145840Smlaier if (hh != NULL) 1117145840Smlaier h = hh; 1118145840Smlaier else 1119145840Smlaier h = ifa_lookup(i->ifname, 0); 1120130617Smlaier if (h != NULL) 1121130617Smlaier expand_rule(&r, NULL, NULL, 1122130617Smlaier NULL, NULL, h, NULL, NULL, 1123145840Smlaier NULL, NULL, NULL, NULL, ""); 1124145840Smlaier } else 1125145840Smlaier free(hh); 1126126353Smlaier } 1127126353Smlaier free($5.label); 1128126353Smlaier } 1129126353Smlaier ; 1130126353Smlaier 1131145840Smlaierantispoof_ifspc : FOR antispoof_if { $$ = $2; } 1132126353Smlaier | FOR '{' antispoof_iflst '}' { $$ = $3; } 1133126353Smlaier ; 1134126353Smlaier 1135145840Smlaierantispoof_iflst : antispoof_if { $$ = $1; } 1136145840Smlaier | antispoof_iflst comma antispoof_if { 1137126353Smlaier $1->tail->next = $3; 1138126353Smlaier $1->tail = $3; 1139126353Smlaier $$ = $1; 1140126353Smlaier } 1141126353Smlaier ; 1142126353Smlaier 1143145840Smlaierantispoof_if : if_item { $$ = $1; } 1144145840Smlaier | '(' if_item ')' { 1145145840Smlaier $2->dynamic = 1; 1146145840Smlaier $$ = $2; 1147145840Smlaier } 1148145840Smlaier ; 1149145840Smlaier 1150171172Smlaierantispoof_opts : { 1151171172Smlaier bzero(&antispoof_opts, sizeof antispoof_opts); 1152171172Smlaier antispoof_opts.rtableid = -1; 1153171172Smlaier } 1154130617Smlaier antispoof_opts_l 1155126353Smlaier { $$ = antispoof_opts; } 1156126353Smlaier | /* empty */ { 1157126353Smlaier bzero(&antispoof_opts, sizeof antispoof_opts); 1158171172Smlaier antispoof_opts.rtableid = -1; 1159126353Smlaier $$ = antispoof_opts; 1160126353Smlaier } 1161126353Smlaier ; 1162126353Smlaier 1163126353Smlaierantispoof_opts_l : antispoof_opts_l antispoof_opt 1164126353Smlaier | antispoof_opt 1165126353Smlaier ; 1166126353Smlaier 1167126353Smlaierantispoof_opt : label { 1168126353Smlaier if (antispoof_opts.label) { 1169126353Smlaier yyerror("label cannot be redefined"); 1170126353Smlaier YYERROR; 1171126353Smlaier } 1172126353Smlaier antispoof_opts.label = $1; 1173126353Smlaier } 1174171172Smlaier | RTABLE number { 1175178894Sjulian#ifndef __FreeBSD__ 1176171172Smlaier if ($2 > RT_TABLEID_MAX || $2 < 0) { 1177171172Smlaier yyerror("invalid rtable id"); 1178171172Smlaier YYERROR; 1179171172Smlaier } 1180178894Sjulian#endif 1181171172Smlaier antispoof_opts.rtableid = $2; 1182171172Smlaier } 1183126353Smlaier ; 1184126353Smlaier 1185126353Smlaiernot : '!' { $$ = 1; } 1186126353Smlaier | /* empty */ { $$ = 0; } 1187130617Smlaier ; 1188126353Smlaier 1189126353Smlaiertabledef : TABLE '<' STRING '>' table_opts { 1190126353Smlaier struct node_host *h, *nh; 1191126353Smlaier struct node_tinit *ti, *nti; 1192126353Smlaier 1193126353Smlaier if (strlen($3) >= PF_TABLE_NAME_SIZE) { 1194126353Smlaier yyerror("table name too long, max %d chars", 1195126353Smlaier PF_TABLE_NAME_SIZE - 1); 1196130617Smlaier free($3); 1197126353Smlaier YYERROR; 1198126353Smlaier } 1199126353Smlaier if (pf->loadopt & PFCTL_FLAG_TABLE) 1200130617Smlaier if (process_tabledef($3, &$5)) { 1201130617Smlaier free($3); 1202126353Smlaier YYERROR; 1203130617Smlaier } 1204130617Smlaier free($3); 1205126353Smlaier for (ti = SIMPLEQ_FIRST(&$5.init_nodes); 1206126353Smlaier ti != SIMPLEQ_END(&$5.init_nodes); ti = nti) { 1207126353Smlaier if (ti->file) 1208126353Smlaier free(ti->file); 1209126353Smlaier for (h = ti->host; h != NULL; h = nh) { 1210126353Smlaier nh = h->next; 1211126353Smlaier free(h); 1212126353Smlaier } 1213126353Smlaier nti = SIMPLEQ_NEXT(ti, entries); 1214130617Smlaier free(ti); 1215126353Smlaier } 1216126353Smlaier } 1217126353Smlaier ; 1218126353Smlaier 1219126353Smlaiertable_opts : { 1220126353Smlaier bzero(&table_opts, sizeof table_opts); 1221126353Smlaier SIMPLEQ_INIT(&table_opts.init_nodes); 1222126353Smlaier } 1223130617Smlaier table_opts_l 1224126353Smlaier { $$ = table_opts; } 1225126353Smlaier | /* empty */ 1226126353Smlaier { 1227126353Smlaier bzero(&table_opts, sizeof table_opts); 1228126353Smlaier SIMPLEQ_INIT(&table_opts.init_nodes); 1229126353Smlaier $$ = table_opts; 1230126353Smlaier } 1231126353Smlaier ; 1232126353Smlaier 1233126353Smlaiertable_opts_l : table_opts_l table_opt 1234126353Smlaier | table_opt 1235126353Smlaier ; 1236126353Smlaier 1237126353Smlaiertable_opt : STRING { 1238126353Smlaier if (!strcmp($1, "const")) 1239126353Smlaier table_opts.flags |= PFR_TFLAG_CONST; 1240126353Smlaier else if (!strcmp($1, "persist")) 1241126353Smlaier table_opts.flags |= PFR_TFLAG_PERSIST; 1242130617Smlaier else { 1243145840Smlaier yyerror("invalid table option '%s'", $1); 1244130617Smlaier free($1); 1245126353Smlaier YYERROR; 1246130617Smlaier } 1247130617Smlaier free($1); 1248126353Smlaier } 1249126353Smlaier | '{' '}' { table_opts.init_addr = 1; } 1250126353Smlaier | '{' host_list '}' { 1251126353Smlaier struct node_host *n; 1252126353Smlaier struct node_tinit *ti; 1253126353Smlaier 1254126353Smlaier for (n = $2; n != NULL; n = n->next) { 1255130617Smlaier switch (n->addr.type) { 1256126353Smlaier case PF_ADDR_ADDRMASK: 1257126353Smlaier continue; /* ok */ 1258126353Smlaier case PF_ADDR_DYNIFTL: 1259126353Smlaier yyerror("dynamic addresses are not " 1260126353Smlaier "permitted inside tables"); 1261126353Smlaier break; 1262126353Smlaier case PF_ADDR_TABLE: 1263126353Smlaier yyerror("tables cannot contain tables"); 1264126353Smlaier break; 1265126353Smlaier case PF_ADDR_NOROUTE: 1266126353Smlaier yyerror("\"no-route\" is not permitted " 1267126353Smlaier "inside tables"); 1268126353Smlaier break; 1269171172Smlaier case PF_ADDR_URPFFAILED: 1270171172Smlaier yyerror("\"urpf-failed\" is not " 1271171172Smlaier "permitted inside tables"); 1272171172Smlaier break; 1273126353Smlaier default: 1274126353Smlaier yyerror("unknown address type %d", 1275126353Smlaier n->addr.type); 1276126353Smlaier } 1277126353Smlaier YYERROR; 1278126353Smlaier } 1279126353Smlaier if (!(ti = calloc(1, sizeof(*ti)))) 1280126353Smlaier err(1, "table_opt: calloc"); 1281126353Smlaier ti->host = $2; 1282126353Smlaier SIMPLEQ_INSERT_TAIL(&table_opts.init_nodes, ti, 1283126353Smlaier entries); 1284126353Smlaier table_opts.init_addr = 1; 1285126353Smlaier } 1286126353Smlaier | FILENAME STRING { 1287126353Smlaier struct node_tinit *ti; 1288126353Smlaier 1289126353Smlaier if (!(ti = calloc(1, sizeof(*ti)))) 1290126353Smlaier err(1, "table_opt: calloc"); 1291126353Smlaier ti->file = $2; 1292126353Smlaier SIMPLEQ_INSERT_TAIL(&table_opts.init_nodes, ti, 1293126353Smlaier entries); 1294126353Smlaier table_opts.init_addr = 1; 1295126353Smlaier } 1296126353Smlaier ; 1297126353Smlaier 1298126353Smlaieraltqif : ALTQ interface queue_opts QUEUE qassign { 1299126353Smlaier struct pf_altq a; 1300126353Smlaier 1301126353Smlaier if (check_rulestate(PFCTL_STATE_QUEUE)) 1302126353Smlaier YYERROR; 1303126353Smlaier 1304126353Smlaier memset(&a, 0, sizeof(a)); 1305126353Smlaier if ($3.scheduler.qtype == ALTQT_NONE) { 1306126353Smlaier yyerror("no scheduler specified!"); 1307126353Smlaier YYERROR; 1308126353Smlaier } 1309126353Smlaier a.scheduler = $3.scheduler.qtype; 1310126353Smlaier a.qlimit = $3.qlimit; 1311126353Smlaier a.tbrsize = $3.tbrsize; 1312126353Smlaier if ($5 == NULL) { 1313126353Smlaier yyerror("no child queues specified"); 1314126353Smlaier YYERROR; 1315126353Smlaier } 1316126353Smlaier if (expand_altq(&a, $2, $5, $3.queue_bwspec, 1317126353Smlaier &$3.scheduler)) 1318126353Smlaier YYERROR; 1319126353Smlaier } 1320126353Smlaier ; 1321126353Smlaier 1322126353Smlaierqueuespec : QUEUE STRING interface queue_opts qassign { 1323126353Smlaier struct pf_altq a; 1324126353Smlaier 1325130617Smlaier if (check_rulestate(PFCTL_STATE_QUEUE)) { 1326130617Smlaier free($2); 1327126353Smlaier YYERROR; 1328130617Smlaier } 1329126353Smlaier 1330126353Smlaier memset(&a, 0, sizeof(a)); 1331126353Smlaier 1332126353Smlaier if (strlcpy(a.qname, $2, sizeof(a.qname)) >= 1333126353Smlaier sizeof(a.qname)) { 1334126353Smlaier yyerror("queue name too long (max " 1335126353Smlaier "%d chars)", PF_QNAME_SIZE-1); 1336130617Smlaier free($2); 1337126353Smlaier YYERROR; 1338126353Smlaier } 1339130617Smlaier free($2); 1340126353Smlaier if ($4.tbrsize) { 1341126353Smlaier yyerror("cannot specify tbrsize for queue"); 1342126353Smlaier YYERROR; 1343126353Smlaier } 1344126353Smlaier if ($4.priority > 255) { 1345126353Smlaier yyerror("priority out of range: max 255"); 1346126353Smlaier YYERROR; 1347126353Smlaier } 1348126353Smlaier a.priority = $4.priority; 1349126353Smlaier a.qlimit = $4.qlimit; 1350126353Smlaier a.scheduler = $4.scheduler.qtype; 1351126353Smlaier if (expand_queue(&a, $3, $5, $4.queue_bwspec, 1352126353Smlaier &$4.scheduler)) { 1353126353Smlaier yyerror("errors in queue definition"); 1354126353Smlaier YYERROR; 1355126353Smlaier } 1356126353Smlaier } 1357126353Smlaier ; 1358126353Smlaier 1359126353Smlaierqueue_opts : { 1360126353Smlaier bzero(&queue_opts, sizeof queue_opts); 1361126353Smlaier queue_opts.priority = DEFAULT_PRIORITY; 1362126353Smlaier queue_opts.qlimit = DEFAULT_QLIMIT; 1363126353Smlaier queue_opts.scheduler.qtype = ALTQT_NONE; 1364126353Smlaier queue_opts.queue_bwspec.bw_percent = 100; 1365126353Smlaier } 1366130617Smlaier queue_opts_l 1367126353Smlaier { $$ = queue_opts; } 1368126353Smlaier | /* empty */ { 1369126353Smlaier bzero(&queue_opts, sizeof queue_opts); 1370126353Smlaier queue_opts.priority = DEFAULT_PRIORITY; 1371126353Smlaier queue_opts.qlimit = DEFAULT_QLIMIT; 1372126353Smlaier queue_opts.scheduler.qtype = ALTQT_NONE; 1373126353Smlaier queue_opts.queue_bwspec.bw_percent = 100; 1374126353Smlaier $$ = queue_opts; 1375126353Smlaier } 1376126353Smlaier ; 1377126353Smlaier 1378126353Smlaierqueue_opts_l : queue_opts_l queue_opt 1379126353Smlaier | queue_opt 1380126353Smlaier ; 1381126353Smlaier 1382126353Smlaierqueue_opt : BANDWIDTH bandwidth { 1383126353Smlaier if (queue_opts.marker & QOM_BWSPEC) { 1384126353Smlaier yyerror("bandwidth cannot be respecified"); 1385126353Smlaier YYERROR; 1386126353Smlaier } 1387126353Smlaier queue_opts.marker |= QOM_BWSPEC; 1388126353Smlaier queue_opts.queue_bwspec = $2; 1389126353Smlaier } 1390126353Smlaier | PRIORITY number { 1391126353Smlaier if (queue_opts.marker & QOM_PRIORITY) { 1392126353Smlaier yyerror("priority cannot be respecified"); 1393126353Smlaier YYERROR; 1394126353Smlaier } 1395126353Smlaier if ($2 > 255) { 1396126353Smlaier yyerror("priority out of range: max 255"); 1397126353Smlaier YYERROR; 1398126353Smlaier } 1399126353Smlaier queue_opts.marker |= QOM_PRIORITY; 1400126353Smlaier queue_opts.priority = $2; 1401126353Smlaier } 1402126353Smlaier | QLIMIT number { 1403126353Smlaier if (queue_opts.marker & QOM_QLIMIT) { 1404126353Smlaier yyerror("qlimit cannot be respecified"); 1405126353Smlaier YYERROR; 1406126353Smlaier } 1407126353Smlaier if ($2 > 65535) { 1408126353Smlaier yyerror("qlimit out of range: max 65535"); 1409126353Smlaier YYERROR; 1410126353Smlaier } 1411126353Smlaier queue_opts.marker |= QOM_QLIMIT; 1412126353Smlaier queue_opts.qlimit = $2; 1413126353Smlaier } 1414126353Smlaier | scheduler { 1415126353Smlaier if (queue_opts.marker & QOM_SCHEDULER) { 1416126353Smlaier yyerror("scheduler cannot be respecified"); 1417126353Smlaier YYERROR; 1418126353Smlaier } 1419126353Smlaier queue_opts.marker |= QOM_SCHEDULER; 1420126353Smlaier queue_opts.scheduler = $1; 1421126353Smlaier } 1422126353Smlaier | TBRSIZE number { 1423126353Smlaier if (queue_opts.marker & QOM_TBRSIZE) { 1424126353Smlaier yyerror("tbrsize cannot be respecified"); 1425126353Smlaier YYERROR; 1426126353Smlaier } 1427126353Smlaier if ($2 > 65535) { 1428126353Smlaier yyerror("tbrsize too big: max 65535"); 1429126353Smlaier YYERROR; 1430126353Smlaier } 1431126353Smlaier queue_opts.marker |= QOM_TBRSIZE; 1432126353Smlaier queue_opts.tbrsize = $2; 1433126353Smlaier } 1434126353Smlaier ; 1435126353Smlaier 1436126353Smlaierbandwidth : STRING { 1437126353Smlaier double bps; 1438126353Smlaier char *cp; 1439126353Smlaier 1440126353Smlaier $$.bw_percent = 0; 1441126353Smlaier 1442126353Smlaier bps = strtod($1, &cp); 1443126353Smlaier if (cp != NULL) { 1444126353Smlaier if (!strcmp(cp, "b")) 1445126353Smlaier ; /* nothing */ 1446126353Smlaier else if (!strcmp(cp, "Kb")) 1447126353Smlaier bps *= 1000; 1448126353Smlaier else if (!strcmp(cp, "Mb")) 1449126353Smlaier bps *= 1000 * 1000; 1450126353Smlaier else if (!strcmp(cp, "Gb")) 1451126353Smlaier bps *= 1000 * 1000 * 1000; 1452126353Smlaier else if (!strcmp(cp, "%")) { 1453126353Smlaier if (bps < 0 || bps > 100) { 1454126353Smlaier yyerror("bandwidth spec " 1455126353Smlaier "out of range"); 1456130617Smlaier free($1); 1457126353Smlaier YYERROR; 1458126353Smlaier } 1459126353Smlaier $$.bw_percent = bps; 1460126353Smlaier bps = 0; 1461126353Smlaier } else { 1462126353Smlaier yyerror("unknown unit %s", cp); 1463130617Smlaier free($1); 1464126353Smlaier YYERROR; 1465126353Smlaier } 1466126353Smlaier } 1467130617Smlaier free($1); 1468126353Smlaier $$.bw_absolute = (u_int32_t)bps; 1469126353Smlaier } 1470130617Smlaier ; 1471126353Smlaier 1472126353Smlaierscheduler : CBQ { 1473126353Smlaier $$.qtype = ALTQT_CBQ; 1474126353Smlaier $$.data.cbq_opts.flags = 0; 1475126353Smlaier } 1476126353Smlaier | CBQ '(' cbqflags_list ')' { 1477126353Smlaier $$.qtype = ALTQT_CBQ; 1478126353Smlaier $$.data.cbq_opts.flags = $3; 1479126353Smlaier } 1480126353Smlaier | PRIQ { 1481126353Smlaier $$.qtype = ALTQT_PRIQ; 1482126353Smlaier $$.data.priq_opts.flags = 0; 1483126353Smlaier } 1484126353Smlaier | PRIQ '(' priqflags_list ')' { 1485126353Smlaier $$.qtype = ALTQT_PRIQ; 1486126353Smlaier $$.data.priq_opts.flags = $3; 1487126353Smlaier } 1488126353Smlaier | HFSC { 1489126353Smlaier $$.qtype = ALTQT_HFSC; 1490126353Smlaier bzero(&$$.data.hfsc_opts, 1491126353Smlaier sizeof(struct node_hfsc_opts)); 1492126353Smlaier } 1493126353Smlaier | HFSC '(' hfsc_opts ')' { 1494126353Smlaier $$.qtype = ALTQT_HFSC; 1495126353Smlaier $$.data.hfsc_opts = $3; 1496126353Smlaier } 1497126353Smlaier ; 1498126353Smlaier 1499126353Smlaiercbqflags_list : cbqflags_item { $$ |= $1; } 1500126353Smlaier | cbqflags_list comma cbqflags_item { $$ |= $3; } 1501126353Smlaier ; 1502126353Smlaier 1503126353Smlaiercbqflags_item : STRING { 1504126353Smlaier if (!strcmp($1, "default")) 1505126353Smlaier $$ = CBQCLF_DEFCLASS; 1506126353Smlaier else if (!strcmp($1, "borrow")) 1507126353Smlaier $$ = CBQCLF_BORROW; 1508126353Smlaier else if (!strcmp($1, "red")) 1509126353Smlaier $$ = CBQCLF_RED; 1510126353Smlaier else if (!strcmp($1, "ecn")) 1511126353Smlaier $$ = CBQCLF_RED|CBQCLF_ECN; 1512126353Smlaier else if (!strcmp($1, "rio")) 1513126353Smlaier $$ = CBQCLF_RIO; 1514126353Smlaier else { 1515126353Smlaier yyerror("unknown cbq flag \"%s\"", $1); 1516130617Smlaier free($1); 1517126353Smlaier YYERROR; 1518126353Smlaier } 1519130617Smlaier free($1); 1520126353Smlaier } 1521126353Smlaier ; 1522126353Smlaier 1523126353Smlaierpriqflags_list : priqflags_item { $$ |= $1; } 1524126353Smlaier | priqflags_list comma priqflags_item { $$ |= $3; } 1525126353Smlaier ; 1526126353Smlaier 1527126353Smlaierpriqflags_item : STRING { 1528126353Smlaier if (!strcmp($1, "default")) 1529126353Smlaier $$ = PRCF_DEFAULTCLASS; 1530126353Smlaier else if (!strcmp($1, "red")) 1531126353Smlaier $$ = PRCF_RED; 1532126353Smlaier else if (!strcmp($1, "ecn")) 1533126353Smlaier $$ = PRCF_RED|PRCF_ECN; 1534126353Smlaier else if (!strcmp($1, "rio")) 1535126353Smlaier $$ = PRCF_RIO; 1536126353Smlaier else { 1537126353Smlaier yyerror("unknown priq flag \"%s\"", $1); 1538130617Smlaier free($1); 1539126353Smlaier YYERROR; 1540126353Smlaier } 1541130617Smlaier free($1); 1542126353Smlaier } 1543126353Smlaier ; 1544126353Smlaier 1545126353Smlaierhfsc_opts : { 1546126353Smlaier bzero(&hfsc_opts, 1547126353Smlaier sizeof(struct node_hfsc_opts)); 1548126353Smlaier } 1549130617Smlaier hfscopts_list { 1550126353Smlaier $$ = hfsc_opts; 1551126353Smlaier } 1552126353Smlaier ; 1553126353Smlaier 1554126353Smlaierhfscopts_list : hfscopts_item 1555126353Smlaier | hfscopts_list comma hfscopts_item 1556126353Smlaier ; 1557126353Smlaier 1558126353Smlaierhfscopts_item : LINKSHARE bandwidth { 1559126353Smlaier if (hfsc_opts.linkshare.used) { 1560126353Smlaier yyerror("linkshare already specified"); 1561126353Smlaier YYERROR; 1562126353Smlaier } 1563126353Smlaier hfsc_opts.linkshare.m2 = $2; 1564126353Smlaier hfsc_opts.linkshare.used = 1; 1565126353Smlaier } 1566145840Smlaier | LINKSHARE '(' bandwidth comma number comma bandwidth ')' 1567145840Smlaier { 1568126353Smlaier if (hfsc_opts.linkshare.used) { 1569126353Smlaier yyerror("linkshare already specified"); 1570126353Smlaier YYERROR; 1571126353Smlaier } 1572126353Smlaier hfsc_opts.linkshare.m1 = $3; 1573145840Smlaier hfsc_opts.linkshare.d = $5; 1574145840Smlaier hfsc_opts.linkshare.m2 = $7; 1575126353Smlaier hfsc_opts.linkshare.used = 1; 1576126353Smlaier } 1577126353Smlaier | REALTIME bandwidth { 1578126353Smlaier if (hfsc_opts.realtime.used) { 1579126353Smlaier yyerror("realtime already specified"); 1580126353Smlaier YYERROR; 1581126353Smlaier } 1582126353Smlaier hfsc_opts.realtime.m2 = $2; 1583126353Smlaier hfsc_opts.realtime.used = 1; 1584126353Smlaier } 1585145840Smlaier | REALTIME '(' bandwidth comma number comma bandwidth ')' 1586145840Smlaier { 1587126353Smlaier if (hfsc_opts.realtime.used) { 1588126353Smlaier yyerror("realtime already specified"); 1589126353Smlaier YYERROR; 1590126353Smlaier } 1591126353Smlaier hfsc_opts.realtime.m1 = $3; 1592145840Smlaier hfsc_opts.realtime.d = $5; 1593145840Smlaier hfsc_opts.realtime.m2 = $7; 1594126353Smlaier hfsc_opts.realtime.used = 1; 1595126353Smlaier } 1596126353Smlaier | UPPERLIMIT bandwidth { 1597126353Smlaier if (hfsc_opts.upperlimit.used) { 1598126353Smlaier yyerror("upperlimit already specified"); 1599126353Smlaier YYERROR; 1600126353Smlaier } 1601126353Smlaier hfsc_opts.upperlimit.m2 = $2; 1602126353Smlaier hfsc_opts.upperlimit.used = 1; 1603126353Smlaier } 1604145840Smlaier | UPPERLIMIT '(' bandwidth comma number comma bandwidth ')' 1605145840Smlaier { 1606126353Smlaier if (hfsc_opts.upperlimit.used) { 1607126353Smlaier yyerror("upperlimit already specified"); 1608126353Smlaier YYERROR; 1609126353Smlaier } 1610126353Smlaier hfsc_opts.upperlimit.m1 = $3; 1611145840Smlaier hfsc_opts.upperlimit.d = $5; 1612145840Smlaier hfsc_opts.upperlimit.m2 = $7; 1613126353Smlaier hfsc_opts.upperlimit.used = 1; 1614126353Smlaier } 1615126353Smlaier | STRING { 1616126353Smlaier if (!strcmp($1, "default")) 1617126353Smlaier hfsc_opts.flags |= HFCF_DEFAULTCLASS; 1618126353Smlaier else if (!strcmp($1, "red")) 1619126353Smlaier hfsc_opts.flags |= HFCF_RED; 1620126353Smlaier else if (!strcmp($1, "ecn")) 1621126353Smlaier hfsc_opts.flags |= HFCF_RED|HFCF_ECN; 1622126353Smlaier else if (!strcmp($1, "rio")) 1623126353Smlaier hfsc_opts.flags |= HFCF_RIO; 1624126353Smlaier else { 1625126353Smlaier yyerror("unknown hfsc flag \"%s\"", $1); 1626130617Smlaier free($1); 1627126353Smlaier YYERROR; 1628126353Smlaier } 1629130617Smlaier free($1); 1630126353Smlaier } 1631126353Smlaier ; 1632126353Smlaier 1633126353Smlaierqassign : /* empty */ { $$ = NULL; } 1634126353Smlaier | qassign_item { $$ = $1; } 1635126353Smlaier | '{' qassign_list '}' { $$ = $2; } 1636126353Smlaier ; 1637126353Smlaier 1638126353Smlaierqassign_list : qassign_item { $$ = $1; } 1639126353Smlaier | qassign_list comma qassign_item { 1640126353Smlaier $1->tail->next = $3; 1641126353Smlaier $1->tail = $3; 1642126353Smlaier $$ = $1; 1643126353Smlaier } 1644126353Smlaier ; 1645126353Smlaier 1646126353Smlaierqassign_item : STRING { 1647126353Smlaier $$ = calloc(1, sizeof(struct node_queue)); 1648126353Smlaier if ($$ == NULL) 1649126353Smlaier err(1, "qassign_item: calloc"); 1650126353Smlaier if (strlcpy($$->queue, $1, sizeof($$->queue)) >= 1651126353Smlaier sizeof($$->queue)) { 1652126353Smlaier yyerror("queue name '%s' too long (max " 1653126353Smlaier "%d chars)", $1, sizeof($$->queue)-1); 1654130617Smlaier free($1); 1655130617Smlaier free($$); 1656126353Smlaier YYERROR; 1657126353Smlaier } 1658130617Smlaier free($1); 1659126353Smlaier $$->next = NULL; 1660126353Smlaier $$->tail = $$; 1661126353Smlaier } 1662126353Smlaier ; 1663126353Smlaier 1664126353Smlaierpfrule : action dir logquick interface route af proto fromto 1665130617Smlaier filter_opts 1666126353Smlaier { 1667126353Smlaier struct pf_rule r; 1668126353Smlaier struct node_state_opt *o; 1669126353Smlaier struct node_proto *proto; 1670130617Smlaier int srctrack = 0; 1671130617Smlaier int statelock = 0; 1672171172Smlaier int adaptive = 0; 1673126353Smlaier 1674126353Smlaier if (check_rulestate(PFCTL_STATE_FILTER)) 1675126353Smlaier YYERROR; 1676126353Smlaier 1677126353Smlaier memset(&r, 0, sizeof(r)); 1678126353Smlaier 1679126353Smlaier r.action = $1.b1; 1680126353Smlaier switch ($1.b2) { 1681126353Smlaier case PFRULE_RETURNRST: 1682126353Smlaier r.rule_flag |= PFRULE_RETURNRST; 1683126353Smlaier r.return_ttl = $1.w; 1684126353Smlaier break; 1685126353Smlaier case PFRULE_RETURNICMP: 1686126353Smlaier r.rule_flag |= PFRULE_RETURNICMP; 1687126353Smlaier r.return_icmp = $1.w; 1688126353Smlaier r.return_icmp6 = $1.w2; 1689126353Smlaier break; 1690126353Smlaier case PFRULE_RETURN: 1691126353Smlaier r.rule_flag |= PFRULE_RETURN; 1692126353Smlaier r.return_icmp = $1.w; 1693126353Smlaier r.return_icmp6 = $1.w2; 1694126353Smlaier break; 1695126353Smlaier } 1696126353Smlaier r.direction = $2; 1697126353Smlaier r.log = $3.log; 1698171172Smlaier r.logif = $3.logif; 1699126353Smlaier r.quick = $3.quick; 1700145840Smlaier r.prob = $9.prob; 1701171172Smlaier r.rtableid = $9.rtableid; 1702126353Smlaier 1703126353Smlaier r.af = $6; 1704126353Smlaier if ($9.tag) 1705126353Smlaier if (strlcpy(r.tagname, $9.tag, 1706130617Smlaier PF_TAG_NAME_SIZE) >= PF_TAG_NAME_SIZE) { 1707126353Smlaier yyerror("tag too long, max %u chars", 1708126353Smlaier PF_TAG_NAME_SIZE - 1); 1709126353Smlaier YYERROR; 1710126353Smlaier } 1711126353Smlaier if ($9.match_tag) 1712126353Smlaier if (strlcpy(r.match_tagname, $9.match_tag, 1713130617Smlaier PF_TAG_NAME_SIZE) >= PF_TAG_NAME_SIZE) { 1714126353Smlaier yyerror("tag too long, max %u chars", 1715126353Smlaier PF_TAG_NAME_SIZE - 1); 1716126353Smlaier YYERROR; 1717126353Smlaier } 1718126353Smlaier r.match_tag_not = $9.match_tag_not; 1719171172Smlaier if (rule_label(&r, $9.label)) 1720171172Smlaier YYERROR; 1721171172Smlaier free($9.label); 1722126353Smlaier r.flags = $9.flags.b1; 1723126353Smlaier r.flagset = $9.flags.b2; 1724171172Smlaier if (($9.flags.b1 & $9.flags.b2) != $9.flags.b1) { 1725171172Smlaier yyerror("flags always false"); 1726126353Smlaier YYERROR; 1727171172Smlaier } 1728126353Smlaier if ($9.flags.b1 || $9.flags.b2 || $8.src_os) { 1729126353Smlaier for (proto = $7; proto != NULL && 1730126353Smlaier proto->proto != IPPROTO_TCP; 1731126353Smlaier proto = proto->next) 1732126353Smlaier ; /* nothing */ 1733126353Smlaier if (proto == NULL && $7 != NULL) { 1734126353Smlaier if ($9.flags.b1 || $9.flags.b2) 1735126353Smlaier yyerror( 1736126353Smlaier "flags only apply to tcp"); 1737126353Smlaier if ($8.src_os) 1738126353Smlaier yyerror( 1739126353Smlaier "OS fingerprinting only " 1740126353Smlaier "apply to tcp"); 1741126353Smlaier YYERROR; 1742126353Smlaier } 1743126353Smlaier#if 0 1744126353Smlaier if (($9.flags.b1 & parse_flags("S")) == 0 && 1745126353Smlaier $8.src_os) { 1746126353Smlaier yyerror("OS fingerprinting requires " 1747130617Smlaier "the SYN TCP flag (flags S/SA)"); 1748126353Smlaier YYERROR; 1749126353Smlaier } 1750126353Smlaier#endif 1751126353Smlaier } 1752126353Smlaier 1753126353Smlaier r.tos = $9.tos; 1754126353Smlaier r.keep_state = $9.keep.action; 1755171172Smlaier 1756171172Smlaier /* 'keep state' by default on pass rules. */ 1757171172Smlaier if (!r.keep_state && !r.action && 1758171172Smlaier !($9.marker & FOM_KEEP)) 1759171172Smlaier r.keep_state = PF_STATE_NORMAL; 1760171172Smlaier 1761126353Smlaier o = $9.keep.options; 1762126353Smlaier while (o) { 1763126353Smlaier struct node_state_opt *p = o; 1764126353Smlaier 1765126353Smlaier switch (o->type) { 1766126353Smlaier case PF_STATE_OPT_MAX: 1767126353Smlaier if (r.max_states) { 1768126353Smlaier yyerror("state option 'max' " 1769126353Smlaier "multiple definitions"); 1770126353Smlaier YYERROR; 1771126353Smlaier } 1772126353Smlaier r.max_states = o->data.max_states; 1773126353Smlaier break; 1774130617Smlaier case PF_STATE_OPT_NOSYNC: 1775130617Smlaier if (r.rule_flag & PFRULE_NOSYNC) { 1776130617Smlaier yyerror("state option 'sync' " 1777130617Smlaier "multiple definitions"); 1778130617Smlaier YYERROR; 1779130617Smlaier } 1780130617Smlaier r.rule_flag |= PFRULE_NOSYNC; 1781130617Smlaier break; 1782130617Smlaier case PF_STATE_OPT_SRCTRACK: 1783130617Smlaier if (srctrack) { 1784130617Smlaier yyerror("state option " 1785130617Smlaier "'source-track' " 1786130617Smlaier "multiple definitions"); 1787130617Smlaier YYERROR; 1788130617Smlaier } 1789130617Smlaier srctrack = o->data.src_track; 1790145840Smlaier r.rule_flag |= PFRULE_SRCTRACK; 1791130617Smlaier break; 1792130617Smlaier case PF_STATE_OPT_MAX_SRC_STATES: 1793130617Smlaier if (r.max_src_states) { 1794130617Smlaier yyerror("state option " 1795130617Smlaier "'max-src-states' " 1796130617Smlaier "multiple definitions"); 1797130617Smlaier YYERROR; 1798130617Smlaier } 1799145840Smlaier if (o->data.max_src_states == 0) { 1800130617Smlaier yyerror("'max-src-states' must " 1801130617Smlaier "be > 0"); 1802130617Smlaier YYERROR; 1803130617Smlaier } 1804130617Smlaier r.max_src_states = 1805130617Smlaier o->data.max_src_states; 1806130617Smlaier r.rule_flag |= PFRULE_SRCTRACK; 1807130617Smlaier break; 1808145840Smlaier case PF_STATE_OPT_OVERLOAD: 1809145840Smlaier if (r.overload_tblname[0]) { 1810145840Smlaier yyerror("multiple 'overload' " 1811145840Smlaier "table definitions"); 1812145840Smlaier YYERROR; 1813145840Smlaier } 1814145840Smlaier if (strlcpy(r.overload_tblname, 1815145840Smlaier o->data.overload.tblname, 1816145840Smlaier PF_TABLE_NAME_SIZE) >= 1817145840Smlaier PF_TABLE_NAME_SIZE) { 1818145840Smlaier yyerror("state option: " 1819145840Smlaier "strlcpy"); 1820145840Smlaier YYERROR; 1821145840Smlaier } 1822145840Smlaier r.flush = o->data.overload.flush; 1823145840Smlaier break; 1824145840Smlaier case PF_STATE_OPT_MAX_SRC_CONN: 1825145840Smlaier if (r.max_src_conn) { 1826145840Smlaier yyerror("state option " 1827145840Smlaier "'max-src-conn' " 1828145840Smlaier "multiple definitions"); 1829145840Smlaier YYERROR; 1830145840Smlaier } 1831145840Smlaier if (o->data.max_src_conn == 0) { 1832145840Smlaier yyerror("'max-src-conn' " 1833145840Smlaier "must be > 0"); 1834145840Smlaier YYERROR; 1835145840Smlaier } 1836145840Smlaier r.max_src_conn = 1837145840Smlaier o->data.max_src_conn; 1838145840Smlaier r.rule_flag |= PFRULE_SRCTRACK | 1839145840Smlaier PFRULE_RULESRCTRACK; 1840145840Smlaier break; 1841145840Smlaier case PF_STATE_OPT_MAX_SRC_CONN_RATE: 1842145840Smlaier if (r.max_src_conn_rate.limit) { 1843145840Smlaier yyerror("state option " 1844145840Smlaier "'max-src-conn-rate' " 1845145840Smlaier "multiple definitions"); 1846145840Smlaier YYERROR; 1847145840Smlaier } 1848145840Smlaier if (!o->data.max_src_conn_rate.limit || 1849145840Smlaier !o->data.max_src_conn_rate.seconds) { 1850145840Smlaier yyerror("'max-src-conn-rate' " 1851145840Smlaier "values must be > 0"); 1852145840Smlaier YYERROR; 1853145840Smlaier } 1854145840Smlaier if (o->data.max_src_conn_rate.limit > 1855145840Smlaier PF_THRESHOLD_MAX) { 1856145840Smlaier yyerror("'max-src-conn-rate' " 1857171172Smlaier "maximum rate must be < %u", 1858171172Smlaier PF_THRESHOLD_MAX); 1859145840Smlaier YYERROR; 1860145840Smlaier } 1861145840Smlaier r.max_src_conn_rate.limit = 1862145840Smlaier o->data.max_src_conn_rate.limit; 1863145840Smlaier r.max_src_conn_rate.seconds = 1864145840Smlaier o->data.max_src_conn_rate.seconds; 1865145840Smlaier r.rule_flag |= PFRULE_SRCTRACK | 1866145840Smlaier PFRULE_RULESRCTRACK; 1867145840Smlaier break; 1868130617Smlaier case PF_STATE_OPT_MAX_SRC_NODES: 1869130617Smlaier if (r.max_src_nodes) { 1870130617Smlaier yyerror("state option " 1871130617Smlaier "'max-src-nodes' " 1872130617Smlaier "multiple definitions"); 1873130617Smlaier YYERROR; 1874130617Smlaier } 1875130617Smlaier if (o->data.max_src_nodes == 0) { 1876130617Smlaier yyerror("'max-src-nodes' must " 1877130617Smlaier "be > 0"); 1878130617Smlaier YYERROR; 1879130617Smlaier } 1880130617Smlaier r.max_src_nodes = 1881130617Smlaier o->data.max_src_nodes; 1882130617Smlaier r.rule_flag |= PFRULE_SRCTRACK | 1883130617Smlaier PFRULE_RULESRCTRACK; 1884130617Smlaier break; 1885130617Smlaier case PF_STATE_OPT_STATELOCK: 1886130617Smlaier if (statelock) { 1887130617Smlaier yyerror("state locking option: " 1888130617Smlaier "multiple definitions"); 1889130617Smlaier YYERROR; 1890130617Smlaier } 1891130617Smlaier statelock = 1; 1892130617Smlaier r.rule_flag |= o->data.statelock; 1893130617Smlaier break; 1894126353Smlaier case PF_STATE_OPT_TIMEOUT: 1895171172Smlaier if (o->data.timeout.number == 1896171172Smlaier PFTM_ADAPTIVE_START || 1897171172Smlaier o->data.timeout.number == 1898171172Smlaier PFTM_ADAPTIVE_END) 1899171172Smlaier adaptive = 1; 1900126353Smlaier if (r.timeout[o->data.timeout.number]) { 1901126353Smlaier yyerror("state timeout %s " 1902126353Smlaier "multiple definitions", 1903126353Smlaier pf_timeouts[o->data. 1904126353Smlaier timeout.number].name); 1905126353Smlaier YYERROR; 1906126353Smlaier } 1907126353Smlaier r.timeout[o->data.timeout.number] = 1908126353Smlaier o->data.timeout.seconds; 1909126353Smlaier } 1910126353Smlaier o = o->next; 1911126353Smlaier free(p); 1912126353Smlaier } 1913171172Smlaier 1914171172Smlaier /* 'flags S/SA' by default on stateful rules */ 1915171172Smlaier if (!r.action && !r.flags && !r.flagset && 1916171172Smlaier !$9.fragment && !($9.marker & FOM_FLAGS) && 1917171172Smlaier r.keep_state) { 1918171172Smlaier r.flags = parse_flags("S"); 1919171172Smlaier r.flagset = parse_flags("SA"); 1920171172Smlaier } 1921171172Smlaier if (!adaptive && r.max_states) { 1922171172Smlaier r.timeout[PFTM_ADAPTIVE_START] = 1923171172Smlaier (r.max_states / 10) * 6; 1924171172Smlaier r.timeout[PFTM_ADAPTIVE_END] = 1925171172Smlaier (r.max_states / 10) * 12; 1926171172Smlaier } 1927145840Smlaier if (r.rule_flag & PFRULE_SRCTRACK) { 1928130617Smlaier if (srctrack == PF_SRCTRACK_GLOBAL && 1929130617Smlaier r.max_src_nodes) { 1930130617Smlaier yyerror("'max-src-nodes' is " 1931130617Smlaier "incompatible with " 1932130617Smlaier "'source-track global'"); 1933130617Smlaier YYERROR; 1934130617Smlaier } 1935145840Smlaier if (srctrack == PF_SRCTRACK_GLOBAL && 1936145840Smlaier r.max_src_conn) { 1937145840Smlaier yyerror("'max-src-conn' is " 1938145840Smlaier "incompatible with " 1939145840Smlaier "'source-track global'"); 1940145840Smlaier YYERROR; 1941145840Smlaier } 1942145840Smlaier if (srctrack == PF_SRCTRACK_GLOBAL && 1943145840Smlaier r.max_src_conn_rate.seconds) { 1944145840Smlaier yyerror("'max-src-conn-rate' is " 1945145840Smlaier "incompatible with " 1946145840Smlaier "'source-track global'"); 1947145840Smlaier YYERROR; 1948145840Smlaier } 1949145840Smlaier if (r.timeout[PFTM_SRC_NODE] < 1950145840Smlaier r.max_src_conn_rate.seconds) 1951145840Smlaier r.timeout[PFTM_SRC_NODE] = 1952145840Smlaier r.max_src_conn_rate.seconds; 1953130617Smlaier r.rule_flag |= PFRULE_SRCTRACK; 1954130617Smlaier if (srctrack == PF_SRCTRACK_RULE) 1955130617Smlaier r.rule_flag |= PFRULE_RULESRCTRACK; 1956130617Smlaier } 1957130617Smlaier if (r.keep_state && !statelock) 1958130617Smlaier r.rule_flag |= default_statelock; 1959126353Smlaier 1960126353Smlaier if ($9.fragment) 1961126353Smlaier r.rule_flag |= PFRULE_FRAGMENT; 1962126353Smlaier r.allow_opts = $9.allowopts; 1963126353Smlaier 1964126353Smlaier decide_address_family($8.src.host, &r.af); 1965126353Smlaier decide_address_family($8.dst.host, &r.af); 1966126353Smlaier 1967126353Smlaier if ($5.rt) { 1968126353Smlaier if (!r.direction) { 1969126353Smlaier yyerror("direction must be explicit " 1970126353Smlaier "with rules that specify routing"); 1971126353Smlaier YYERROR; 1972126353Smlaier } 1973126353Smlaier r.rt = $5.rt; 1974126353Smlaier r.rpool.opts = $5.pool_opts; 1975126353Smlaier if ($5.key != NULL) 1976126353Smlaier memcpy(&r.rpool.key, $5.key, 1977126353Smlaier sizeof(struct pf_poolhashkey)); 1978126353Smlaier } 1979126353Smlaier if (r.rt && r.rt != PF_FASTROUTE) { 1980126353Smlaier decide_address_family($5.host, &r.af); 1981126353Smlaier remove_invalid_hosts(&$5.host, &r.af); 1982126353Smlaier if ($5.host == NULL) { 1983126353Smlaier yyerror("no routing address with " 1984126353Smlaier "matching address family found."); 1985126353Smlaier YYERROR; 1986126353Smlaier } 1987130617Smlaier if ((r.rpool.opts & PF_POOL_TYPEMASK) == 1988130617Smlaier PF_POOL_NONE && ($5.host->next != NULL || 1989130617Smlaier $5.host->addr.type == PF_ADDR_TABLE || 1990130617Smlaier DYNIF_MULTIADDR($5.host->addr))) 1991130617Smlaier r.rpool.opts |= PF_POOL_ROUNDROBIN; 1992130617Smlaier if ((r.rpool.opts & PF_POOL_TYPEMASK) != 1993130617Smlaier PF_POOL_ROUNDROBIN && 1994130617Smlaier disallow_table($5.host, "tables are only " 1995130617Smlaier "supported in round-robin routing pools")) 1996130617Smlaier YYERROR; 1997130617Smlaier if ((r.rpool.opts & PF_POOL_TYPEMASK) != 1998130617Smlaier PF_POOL_ROUNDROBIN && 1999130617Smlaier disallow_alias($5.host, "interface (%s) " 2000130617Smlaier "is only supported in round-robin " 2001130617Smlaier "routing pools")) 2002130617Smlaier YYERROR; 2003126353Smlaier if ($5.host->next != NULL) { 2004130617Smlaier if ((r.rpool.opts & PF_POOL_TYPEMASK) != 2005126353Smlaier PF_POOL_ROUNDROBIN) { 2006126353Smlaier yyerror("r.rpool.opts must " 2007126353Smlaier "be PF_POOL_ROUNDROBIN"); 2008126353Smlaier YYERROR; 2009126353Smlaier } 2010126353Smlaier } 2011126353Smlaier } 2012126353Smlaier if ($9.queues.qname != NULL) { 2013126353Smlaier if (strlcpy(r.qname, $9.queues.qname, 2014126353Smlaier sizeof(r.qname)) >= sizeof(r.qname)) { 2015126353Smlaier yyerror("rule qname too long (max " 2016126353Smlaier "%d chars)", sizeof(r.qname)-1); 2017126353Smlaier YYERROR; 2018126353Smlaier } 2019126353Smlaier free($9.queues.qname); 2020126353Smlaier } 2021126353Smlaier if ($9.queues.pqname != NULL) { 2022126353Smlaier if (strlcpy(r.pqname, $9.queues.pqname, 2023126353Smlaier sizeof(r.pqname)) >= sizeof(r.pqname)) { 2024126353Smlaier yyerror("rule pqname too long (max " 2025126353Smlaier "%d chars)", sizeof(r.pqname)-1); 2026126353Smlaier YYERROR; 2027126353Smlaier } 2028126353Smlaier free($9.queues.pqname); 2029126353Smlaier } 2030126353Smlaier 2031126353Smlaier expand_rule(&r, $4, $5.host, $7, $8.src_os, 2032126353Smlaier $8.src.host, $8.src.port, $8.dst.host, $8.dst.port, 2033145840Smlaier $9.uid, $9.gid, $9.icmpspec, ""); 2034126353Smlaier } 2035126353Smlaier ; 2036126353Smlaier 2037171172Smlaierfilter_opts : { 2038171172Smlaier bzero(&filter_opts, sizeof filter_opts); 2039171172Smlaier filter_opts.rtableid = -1; 2040171172Smlaier } 2041130617Smlaier filter_opts_l 2042126353Smlaier { $$ = filter_opts; } 2043126353Smlaier | /* empty */ { 2044126353Smlaier bzero(&filter_opts, sizeof filter_opts); 2045171172Smlaier filter_opts.rtableid = -1; 2046126353Smlaier $$ = filter_opts; 2047126353Smlaier } 2048126353Smlaier ; 2049126353Smlaier 2050126353Smlaierfilter_opts_l : filter_opts_l filter_opt 2051126353Smlaier | filter_opt 2052126353Smlaier ; 2053126353Smlaier 2054126353Smlaierfilter_opt : USER uids { 2055126353Smlaier if (filter_opts.uid) 2056126353Smlaier $2->tail->next = filter_opts.uid; 2057126353Smlaier filter_opts.uid = $2; 2058126353Smlaier } 2059126353Smlaier | GROUP gids { 2060126353Smlaier if (filter_opts.gid) 2061126353Smlaier $2->tail->next = filter_opts.gid; 2062126353Smlaier filter_opts.gid = $2; 2063126353Smlaier } 2064126353Smlaier | flags { 2065126353Smlaier if (filter_opts.marker & FOM_FLAGS) { 2066126353Smlaier yyerror("flags cannot be redefined"); 2067126353Smlaier YYERROR; 2068126353Smlaier } 2069126353Smlaier filter_opts.marker |= FOM_FLAGS; 2070126353Smlaier filter_opts.flags.b1 |= $1.b1; 2071126353Smlaier filter_opts.flags.b2 |= $1.b2; 2072126353Smlaier filter_opts.flags.w |= $1.w; 2073126353Smlaier filter_opts.flags.w2 |= $1.w2; 2074126353Smlaier } 2075126353Smlaier | icmpspec { 2076126353Smlaier if (filter_opts.marker & FOM_ICMP) { 2077126353Smlaier yyerror("icmp-type cannot be redefined"); 2078126353Smlaier YYERROR; 2079126353Smlaier } 2080126353Smlaier filter_opts.marker |= FOM_ICMP; 2081126353Smlaier filter_opts.icmpspec = $1; 2082126353Smlaier } 2083126353Smlaier | tos { 2084126353Smlaier if (filter_opts.marker & FOM_TOS) { 2085126353Smlaier yyerror("tos cannot be redefined"); 2086126353Smlaier YYERROR; 2087126353Smlaier } 2088126353Smlaier filter_opts.marker |= FOM_TOS; 2089126353Smlaier filter_opts.tos = $1; 2090126353Smlaier } 2091126353Smlaier | keep { 2092126353Smlaier if (filter_opts.marker & FOM_KEEP) { 2093126353Smlaier yyerror("modulate or keep cannot be redefined"); 2094126353Smlaier YYERROR; 2095126353Smlaier } 2096126353Smlaier filter_opts.marker |= FOM_KEEP; 2097126353Smlaier filter_opts.keep.action = $1.action; 2098126353Smlaier filter_opts.keep.options = $1.options; 2099126353Smlaier } 2100126353Smlaier | FRAGMENT { 2101126353Smlaier filter_opts.fragment = 1; 2102126353Smlaier } 2103126353Smlaier | ALLOWOPTS { 2104126353Smlaier filter_opts.allowopts = 1; 2105126353Smlaier } 2106126353Smlaier | label { 2107126353Smlaier if (filter_opts.label) { 2108126353Smlaier yyerror("label cannot be redefined"); 2109126353Smlaier YYERROR; 2110126353Smlaier } 2111126353Smlaier filter_opts.label = $1; 2112126353Smlaier } 2113126353Smlaier | qname { 2114126353Smlaier if (filter_opts.queues.qname) { 2115126353Smlaier yyerror("queue cannot be redefined"); 2116126353Smlaier YYERROR; 2117126353Smlaier } 2118126353Smlaier filter_opts.queues = $1; 2119126353Smlaier } 2120126353Smlaier | TAG string { 2121126353Smlaier filter_opts.tag = $2; 2122126353Smlaier } 2123126353Smlaier | not TAGGED string { 2124126353Smlaier filter_opts.match_tag = $3; 2125126353Smlaier filter_opts.match_tag_not = $1; 2126126353Smlaier } 2127145840Smlaier | PROBABILITY STRING { 2128145840Smlaier char *e; 2129145840Smlaier double p = strtod($2, &e); 2130145840Smlaier 2131145840Smlaier if (*e == '%') { 2132145840Smlaier p *= 0.01; 2133145840Smlaier e++; 2134145840Smlaier } 2135145840Smlaier if (*e) { 2136145840Smlaier yyerror("invalid probability: %s", $2); 2137145840Smlaier free($2); 2138145840Smlaier YYERROR; 2139145840Smlaier } 2140145840Smlaier p = floor(p * (UINT_MAX+1.0) + 0.5); 2141145840Smlaier if (p < 1.0 || p >= (UINT_MAX+1.0)) { 2142145840Smlaier yyerror("invalid probability: %s", $2); 2143145840Smlaier free($2); 2144145840Smlaier YYERROR; 2145145840Smlaier } 2146145840Smlaier filter_opts.prob = (u_int32_t)p; 2147145840Smlaier free($2); 2148145840Smlaier } 2149171172Smlaier | RTABLE number { 2150178894Sjulian#ifndef __FreeBSD__ 2151171172Smlaier if ($2 > RT_TABLEID_MAX || $2 < 0) { 2152171172Smlaier yyerror("invalid rtable id"); 2153171172Smlaier YYERROR; 2154171172Smlaier } 2155178894Sjulian#endif 2156171172Smlaier filter_opts.rtableid = $2; 2157171172Smlaier } 2158126353Smlaier ; 2159126353Smlaier 2160126353Smlaieraction : PASS { $$.b1 = PF_PASS; $$.b2 = $$.w = 0; } 2161126353Smlaier | BLOCK blockspec { $$ = $2; $$.b1 = PF_DROP; } 2162126353Smlaier ; 2163126353Smlaier 2164126353Smlaierblockspec : /* empty */ { 2165126353Smlaier $$.b2 = blockpolicy; 2166126353Smlaier $$.w = returnicmpdefault; 2167126353Smlaier $$.w2 = returnicmp6default; 2168126353Smlaier } 2169126353Smlaier | DROP { 2170126353Smlaier $$.b2 = PFRULE_DROP; 2171126353Smlaier $$.w = 0; 2172126353Smlaier $$.w2 = 0; 2173126353Smlaier } 2174126353Smlaier | RETURNRST { 2175126353Smlaier $$.b2 = PFRULE_RETURNRST; 2176126353Smlaier $$.w = 0; 2177126353Smlaier $$.w2 = 0; 2178126353Smlaier } 2179126353Smlaier | RETURNRST '(' TTL number ')' { 2180126353Smlaier if ($4 > 255) { 2181126353Smlaier yyerror("illegal ttl value %d", $4); 2182126353Smlaier YYERROR; 2183126353Smlaier } 2184126353Smlaier $$.b2 = PFRULE_RETURNRST; 2185126353Smlaier $$.w = $4; 2186126353Smlaier $$.w2 = 0; 2187126353Smlaier } 2188126353Smlaier | RETURNICMP { 2189126353Smlaier $$.b2 = PFRULE_RETURNICMP; 2190126353Smlaier $$.w = returnicmpdefault; 2191126353Smlaier $$.w2 = returnicmp6default; 2192126353Smlaier } 2193126353Smlaier | RETURNICMP6 { 2194126353Smlaier $$.b2 = PFRULE_RETURNICMP; 2195126353Smlaier $$.w = returnicmpdefault; 2196126353Smlaier $$.w2 = returnicmp6default; 2197126353Smlaier } 2198126353Smlaier | RETURNICMP '(' STRING ')' { 2199126353Smlaier $$.b2 = PFRULE_RETURNICMP; 2200130617Smlaier if (!($$.w = parseicmpspec($3, AF_INET))) { 2201130617Smlaier free($3); 2202126353Smlaier YYERROR; 2203130617Smlaier } 2204130617Smlaier free($3); 2205126353Smlaier $$.w2 = returnicmp6default; 2206126353Smlaier } 2207126353Smlaier | RETURNICMP6 '(' STRING ')' { 2208126353Smlaier $$.b2 = PFRULE_RETURNICMP; 2209126353Smlaier $$.w = returnicmpdefault; 2210130617Smlaier if (!($$.w2 = parseicmpspec($3, AF_INET6))) { 2211130617Smlaier free($3); 2212126353Smlaier YYERROR; 2213130617Smlaier } 2214130617Smlaier free($3); 2215126353Smlaier } 2216126353Smlaier | RETURNICMP '(' STRING comma STRING ')' { 2217126353Smlaier $$.b2 = PFRULE_RETURNICMP; 2218130617Smlaier if (!($$.w = parseicmpspec($3, AF_INET)) || 2219130617Smlaier !($$.w2 = parseicmpspec($5, AF_INET6))) { 2220130617Smlaier free($3); 2221130617Smlaier free($5); 2222126353Smlaier YYERROR; 2223130617Smlaier } 2224130617Smlaier free($3); 2225130617Smlaier free($5); 2226126353Smlaier } 2227126353Smlaier | RETURN { 2228126353Smlaier $$.b2 = PFRULE_RETURN; 2229126353Smlaier $$.w = returnicmpdefault; 2230126353Smlaier $$.w2 = returnicmp6default; 2231126353Smlaier } 2232126353Smlaier ; 2233126353Smlaier 2234126353Smlaierdir : /* empty */ { $$ = 0; } 2235126353Smlaier | IN { $$ = PF_IN; } 2236126353Smlaier | OUT { $$ = PF_OUT; } 2237126353Smlaier ; 2238126353Smlaier 2239171172Smlaierquick : /* empty */ { $$.quick = 0; } 2240171172Smlaier | QUICK { $$.quick = 1; } 2241126353Smlaier ; 2242126353Smlaier 2243171172Smlaierlogquick : /* empty */ { $$.log = 0; $$.quick = 0; $$.logif = 0; } 2244171172Smlaier | log { $$ = $1; $$.quick = 0; } 2245171172Smlaier | QUICK { $$.quick = 1; $$.log = 0; $$.logif = 0; } 2246171172Smlaier | log QUICK { $$ = $1; $$.quick = 1; } 2247171172Smlaier | QUICK log { $$ = $2; $$.quick = 1; } 2248126353Smlaier ; 2249126353Smlaier 2250171172Smlaierlog : LOG { $$.log = PF_LOG; $$.logif = 0; } 2251171172Smlaier | LOG '(' logopts ')' { 2252171172Smlaier $$.log = PF_LOG | $3.log; 2253171172Smlaier $$.logif = $3.logif; 2254171172Smlaier } 2255171172Smlaier ; 2256171172Smlaier 2257171172Smlaierlogopts : logopt { $$ = $1; } 2258171172Smlaier | logopts comma logopt { 2259171172Smlaier $$.log = $1.log | $3.log; 2260171172Smlaier $$.logif = $3.logif; 2261171172Smlaier if ($$.logif == 0) 2262171172Smlaier $$.logif = $1.logif; 2263171172Smlaier } 2264171172Smlaier ; 2265171172Smlaier 2266171172Smlaierlogopt : ALL { $$.log = PF_LOG_ALL; $$.logif = 0; } 2267171172Smlaier | USER { $$.log = PF_LOG_SOCKET_LOOKUP; $$.logif = 0; } 2268171172Smlaier | GROUP { $$.log = PF_LOG_SOCKET_LOOKUP; $$.logif = 0; } 2269171172Smlaier | TO string { 2270171172Smlaier const char *errstr; 2271171172Smlaier u_int i; 2272171172Smlaier 2273171172Smlaier $$.log = 0; 2274171172Smlaier if (strncmp($2, "pflog", 5)) { 2275171172Smlaier yyerror("%s: should be a pflog interface", $2); 2276171172Smlaier free($2); 2277171172Smlaier YYERROR; 2278171172Smlaier } 2279171172Smlaier i = strtonum($2 + 5, 0, 255, &errstr); 2280171172Smlaier if (errstr) { 2281171172Smlaier yyerror("%s: %s", $2, errstr); 2282171172Smlaier free($2); 2283171172Smlaier YYERROR; 2284171172Smlaier } 2285171172Smlaier free($2); 2286171172Smlaier $$.logif = i; 2287171172Smlaier } 2288171172Smlaier ; 2289171172Smlaier 2290126353Smlaierinterface : /* empty */ { $$ = NULL; } 2291126353Smlaier | ON if_item_not { $$ = $2; } 2292126353Smlaier | ON '{' if_list '}' { $$ = $3; } 2293126353Smlaier ; 2294126353Smlaier 2295126353Smlaierif_list : if_item_not { $$ = $1; } 2296126353Smlaier | if_list comma if_item_not { 2297126353Smlaier $1->tail->next = $3; 2298126353Smlaier $1->tail = $3; 2299126353Smlaier $$ = $1; 2300126353Smlaier } 2301126353Smlaier ; 2302126353Smlaier 2303126353Smlaierif_item_not : not if_item { $$ = $2; $$->not = $1; } 2304126353Smlaier ; 2305126353Smlaier 2306126353Smlaierif_item : STRING { 2307126353Smlaier struct node_host *n; 2308126353Smlaier 2309126353Smlaier $$ = calloc(1, sizeof(struct node_if)); 2310126353Smlaier if ($$ == NULL) 2311126353Smlaier err(1, "if_item: calloc"); 2312126353Smlaier if (strlcpy($$->ifname, $1, sizeof($$->ifname)) >= 2313126353Smlaier sizeof($$->ifname)) { 2314130617Smlaier free($1); 2315126353Smlaier free($$); 2316126353Smlaier yyerror("interface name too long"); 2317126353Smlaier YYERROR; 2318126353Smlaier } 2319145840Smlaier 2320171172Smlaier if ((n = ifa_exists($1)) != NULL) 2321145840Smlaier $$->ifa_flags = n->ifa_flags; 2322145840Smlaier 2323130617Smlaier free($1); 2324126353Smlaier $$->not = 0; 2325126353Smlaier $$->next = NULL; 2326126353Smlaier $$->tail = $$; 2327126353Smlaier } 2328126353Smlaier ; 2329126353Smlaier 2330126353Smlaieraf : /* empty */ { $$ = 0; } 2331126353Smlaier | INET { $$ = AF_INET; } 2332126353Smlaier | INET6 { $$ = AF_INET6; } 2333130617Smlaier ; 2334126353Smlaier 2335126353Smlaierproto : /* empty */ { $$ = NULL; } 2336126353Smlaier | PROTO proto_item { $$ = $2; } 2337126353Smlaier | PROTO '{' proto_list '}' { $$ = $3; } 2338126353Smlaier ; 2339126353Smlaier 2340126353Smlaierproto_list : proto_item { $$ = $1; } 2341126353Smlaier | proto_list comma proto_item { 2342126353Smlaier $1->tail->next = $3; 2343126353Smlaier $1->tail = $3; 2344126353Smlaier $$ = $1; 2345126353Smlaier } 2346126353Smlaier ; 2347126353Smlaier 2348126353Smlaierproto_item : STRING { 2349126353Smlaier u_int8_t pr; 2350126353Smlaier u_long ulval; 2351126353Smlaier 2352126353Smlaier if (atoul($1, &ulval) == 0) { 2353126353Smlaier if (ulval > 255) { 2354126353Smlaier yyerror("protocol outside range"); 2355130617Smlaier free($1); 2356126353Smlaier YYERROR; 2357126353Smlaier } 2358126353Smlaier pr = (u_int8_t)ulval; 2359126353Smlaier } else { 2360126353Smlaier struct protoent *p; 2361126353Smlaier 2362126353Smlaier p = getprotobyname($1); 2363126353Smlaier if (p == NULL) { 2364126353Smlaier yyerror("unknown protocol %s", $1); 2365130617Smlaier free($1); 2366126353Smlaier YYERROR; 2367126353Smlaier } 2368126353Smlaier pr = p->p_proto; 2369126353Smlaier } 2370130617Smlaier free($1); 2371126353Smlaier if (pr == 0) { 2372126353Smlaier yyerror("proto 0 cannot be used"); 2373126353Smlaier YYERROR; 2374126353Smlaier } 2375126353Smlaier $$ = calloc(1, sizeof(struct node_proto)); 2376126353Smlaier if ($$ == NULL) 2377126353Smlaier err(1, "proto_item: calloc"); 2378126353Smlaier $$->proto = pr; 2379126353Smlaier $$->next = NULL; 2380126353Smlaier $$->tail = $$; 2381126353Smlaier } 2382126353Smlaier ; 2383126353Smlaier 2384126353Smlaierfromto : ALL { 2385126353Smlaier $$.src.host = NULL; 2386126353Smlaier $$.src.port = NULL; 2387126353Smlaier $$.dst.host = NULL; 2388126353Smlaier $$.dst.port = NULL; 2389126353Smlaier $$.src_os = NULL; 2390126353Smlaier } 2391126353Smlaier | from os to { 2392126353Smlaier $$.src = $1; 2393126353Smlaier $$.src_os = $2; 2394126353Smlaier $$.dst = $3; 2395126353Smlaier } 2396126353Smlaier ; 2397126353Smlaier 2398126353Smlaieros : /* empty */ { $$ = NULL; } 2399126353Smlaier | OS xos { $$ = $2; } 2400126353Smlaier | OS '{' os_list '}' { $$ = $3; } 2401126353Smlaier ; 2402126353Smlaier 2403126353Smlaierxos : STRING { 2404126353Smlaier $$ = calloc(1, sizeof(struct node_os)); 2405126353Smlaier if ($$ == NULL) 2406126353Smlaier err(1, "os: calloc"); 2407126353Smlaier $$->os = $1; 2408126353Smlaier $$->tail = $$; 2409126353Smlaier } 2410126353Smlaier ; 2411126353Smlaier 2412126353Smlaieros_list : xos { $$ = $1; } 2413126353Smlaier | os_list comma xos { 2414126353Smlaier $1->tail->next = $3; 2415126353Smlaier $1->tail = $3; 2416126353Smlaier $$ = $1; 2417126353Smlaier } 2418126353Smlaier ; 2419126353Smlaier 2420126353Smlaierfrom : /* empty */ { 2421126353Smlaier $$.host = NULL; 2422126353Smlaier $$.port = NULL; 2423126353Smlaier } 2424126353Smlaier | FROM ipportspec { 2425126353Smlaier $$ = $2; 2426126353Smlaier } 2427126353Smlaier ; 2428126353Smlaier 2429126353Smlaierto : /* empty */ { 2430126353Smlaier $$.host = NULL; 2431126353Smlaier $$.port = NULL; 2432126353Smlaier } 2433126353Smlaier | TO ipportspec { 2434171172Smlaier if (disallow_urpf_failed($2.host, "\"urpf-failed\" is " 2435171172Smlaier "not permitted in a destination address")) 2436171172Smlaier YYERROR; 2437126353Smlaier $$ = $2; 2438126353Smlaier } 2439126353Smlaier ; 2440126353Smlaier 2441126353Smlaieripportspec : ipspec { 2442126353Smlaier $$.host = $1; 2443126353Smlaier $$.port = NULL; 2444126353Smlaier } 2445126353Smlaier | ipspec PORT portspec { 2446126353Smlaier $$.host = $1; 2447126353Smlaier $$.port = $3; 2448126353Smlaier } 2449126353Smlaier | PORT portspec { 2450126353Smlaier $$.host = NULL; 2451126353Smlaier $$.port = $2; 2452126353Smlaier } 2453126353Smlaier ; 2454126353Smlaier 2455126353Smlaieripspec : ANY { $$ = NULL; } 2456126353Smlaier | xhost { $$ = $1; } 2457126353Smlaier | '{' host_list '}' { $$ = $2; } 2458126353Smlaier ; 2459126353Smlaier 2460171172Smlaierhost_list : ipspec { $$ = $1; } 2461171172Smlaier | host_list comma ipspec { 2462126353Smlaier if ($3 == NULL) 2463126353Smlaier $$ = $1; 2464126353Smlaier else if ($1 == NULL) 2465126353Smlaier $$ = $3; 2466126353Smlaier else { 2467126353Smlaier $1->tail->next = $3; 2468126353Smlaier $1->tail = $3->tail; 2469126353Smlaier $$ = $1; 2470126353Smlaier } 2471126353Smlaier } 2472126353Smlaier ; 2473126353Smlaier 2474126353Smlaierxhost : not host { 2475126353Smlaier struct node_host *n; 2476126353Smlaier 2477126353Smlaier for (n = $2; n != NULL; n = n->next) 2478126353Smlaier n->not = $1; 2479126353Smlaier $$ = $2; 2480126353Smlaier } 2481171172Smlaier | not NOROUTE { 2482126353Smlaier $$ = calloc(1, sizeof(struct node_host)); 2483126353Smlaier if ($$ == NULL) 2484126353Smlaier err(1, "xhost: calloc"); 2485126353Smlaier $$->addr.type = PF_ADDR_NOROUTE; 2486126353Smlaier $$->next = NULL; 2487171172Smlaier $$->not = $1; 2488126353Smlaier $$->tail = $$; 2489126353Smlaier } 2490171172Smlaier | not URPFFAILED { 2491171172Smlaier $$ = calloc(1, sizeof(struct node_host)); 2492171172Smlaier if ($$ == NULL) 2493171172Smlaier err(1, "xhost: calloc"); 2494171172Smlaier $$->addr.type = PF_ADDR_URPFFAILED; 2495171172Smlaier $$->next = NULL; 2496171172Smlaier $$->not = $1; 2497171172Smlaier $$->tail = $$; 2498171172Smlaier } 2499126353Smlaier ; 2500126353Smlaier 2501126353Smlaierhost : STRING { 2502126353Smlaier if (($$ = host($1)) == NULL) { 2503126353Smlaier /* error. "any" is handled elsewhere */ 2504130617Smlaier free($1); 2505126353Smlaier yyerror("could not parse host specification"); 2506126353Smlaier YYERROR; 2507126353Smlaier } 2508130617Smlaier free($1); 2509126353Smlaier 2510126353Smlaier } 2511126353Smlaier | STRING '/' number { 2512126353Smlaier char *buf; 2513126353Smlaier 2514126353Smlaier if (asprintf(&buf, "%s/%u", $1, $3) == -1) 2515126353Smlaier err(1, "host: asprintf"); 2516130617Smlaier free($1); 2517126353Smlaier if (($$ = host(buf)) == NULL) { 2518126353Smlaier /* error. "any" is handled elsewhere */ 2519126353Smlaier free(buf); 2520126353Smlaier yyerror("could not parse host specification"); 2521126353Smlaier YYERROR; 2522126353Smlaier } 2523126353Smlaier free(buf); 2524126353Smlaier } 2525126353Smlaier | dynaddr 2526126353Smlaier | dynaddr '/' number { 2527126353Smlaier struct node_host *n; 2528126353Smlaier 2529126353Smlaier $$ = $1; 2530126353Smlaier for (n = $1; n != NULL; n = n->next) 2531126353Smlaier set_ipmask(n, $3); 2532126353Smlaier } 2533126353Smlaier | '<' STRING '>' { 2534126353Smlaier if (strlen($2) >= PF_TABLE_NAME_SIZE) { 2535130617Smlaier yyerror("table name '%s' too long", $2); 2536130617Smlaier free($2); 2537126353Smlaier YYERROR; 2538126353Smlaier } 2539126353Smlaier $$ = calloc(1, sizeof(struct node_host)); 2540126353Smlaier if ($$ == NULL) 2541126353Smlaier err(1, "host: calloc"); 2542126353Smlaier $$->addr.type = PF_ADDR_TABLE; 2543126353Smlaier if (strlcpy($$->addr.v.tblname, $2, 2544126353Smlaier sizeof($$->addr.v.tblname)) >= 2545126353Smlaier sizeof($$->addr.v.tblname)) 2546126353Smlaier errx(1, "host: strlcpy"); 2547130617Smlaier free($2); 2548126353Smlaier $$->next = NULL; 2549126353Smlaier $$->tail = $$; 2550126353Smlaier } 2551145840Smlaier | ROUTE STRING { 2552145840Smlaier $$ = calloc(1, sizeof(struct node_host)); 2553145840Smlaier if ($$ == NULL) { 2554145840Smlaier free($2); 2555145840Smlaier err(1, "host: calloc"); 2556145840Smlaier } 2557145840Smlaier $$->addr.type = PF_ADDR_RTLABEL; 2558145840Smlaier if (strlcpy($$->addr.v.rtlabelname, $2, 2559145840Smlaier sizeof($$->addr.v.rtlabelname)) >= 2560145840Smlaier sizeof($$->addr.v.rtlabelname)) { 2561145840Smlaier yyerror("route label too long, max %u chars", 2562145840Smlaier sizeof($$->addr.v.rtlabelname) - 1); 2563145840Smlaier free($2); 2564145840Smlaier free($$); 2565145840Smlaier YYERROR; 2566145840Smlaier } 2567145840Smlaier $$->next = NULL; 2568145840Smlaier $$->tail = $$; 2569145840Smlaier free($2); 2570145840Smlaier } 2571126353Smlaier ; 2572126353Smlaier 2573126353Smlaiernumber : STRING { 2574126353Smlaier u_long ulval; 2575126353Smlaier 2576126353Smlaier if (atoul($1, &ulval) == -1) { 2577126353Smlaier yyerror("%s is not a number", $1); 2578130617Smlaier free($1); 2579126353Smlaier YYERROR; 2580126353Smlaier } else 2581126353Smlaier $$ = ulval; 2582130617Smlaier free($1); 2583126353Smlaier } 2584126353Smlaier ; 2585126353Smlaier 2586126353Smlaierdynaddr : '(' STRING ')' { 2587130617Smlaier int flags = 0; 2588130617Smlaier char *p, *op; 2589130617Smlaier 2590130617Smlaier op = $2; 2591145840Smlaier if (!isalpha(op[0])) { 2592145840Smlaier yyerror("invalid interface name '%s'", op); 2593145840Smlaier free(op); 2594145840Smlaier YYERROR; 2595145840Smlaier } 2596130617Smlaier while ((p = strrchr($2, ':')) != NULL) { 2597130617Smlaier if (!strcmp(p+1, "network")) 2598130617Smlaier flags |= PFI_AFLAG_NETWORK; 2599130617Smlaier else if (!strcmp(p+1, "broadcast")) 2600130617Smlaier flags |= PFI_AFLAG_BROADCAST; 2601130617Smlaier else if (!strcmp(p+1, "peer")) 2602130617Smlaier flags |= PFI_AFLAG_PEER; 2603130617Smlaier else if (!strcmp(p+1, "0")) 2604130617Smlaier flags |= PFI_AFLAG_NOALIAS; 2605130617Smlaier else { 2606130617Smlaier yyerror("interface %s has bad modifier", 2607130617Smlaier $2); 2608130617Smlaier free(op); 2609130617Smlaier YYERROR; 2610130617Smlaier } 2611130617Smlaier *p = '\0'; 2612130617Smlaier } 2613130617Smlaier if (flags & (flags - 1) & PFI_AFLAG_MODEMASK) { 2614130617Smlaier free(op); 2615130617Smlaier yyerror("illegal combination of " 2616130617Smlaier "interface modifiers"); 2617130617Smlaier YYERROR; 2618130617Smlaier } 2619126353Smlaier $$ = calloc(1, sizeof(struct node_host)); 2620126353Smlaier if ($$ == NULL) 2621126353Smlaier err(1, "address: calloc"); 2622126353Smlaier $$->af = 0; 2623126353Smlaier set_ipmask($$, 128); 2624126353Smlaier $$->addr.type = PF_ADDR_DYNIFTL; 2625130617Smlaier $$->addr.iflags = flags; 2626126353Smlaier if (strlcpy($$->addr.v.ifname, $2, 2627126353Smlaier sizeof($$->addr.v.ifname)) >= 2628126353Smlaier sizeof($$->addr.v.ifname)) { 2629130617Smlaier free(op); 2630126353Smlaier free($$); 2631126353Smlaier yyerror("interface name too long"); 2632126353Smlaier YYERROR; 2633126353Smlaier } 2634130617Smlaier free(op); 2635126353Smlaier $$->next = NULL; 2636126353Smlaier $$->tail = $$; 2637126353Smlaier } 2638126353Smlaier ; 2639126353Smlaier 2640126353Smlaierportspec : port_item { $$ = $1; } 2641126353Smlaier | '{' port_list '}' { $$ = $2; } 2642126353Smlaier ; 2643126353Smlaier 2644126353Smlaierport_list : port_item { $$ = $1; } 2645126353Smlaier | port_list comma port_item { 2646126353Smlaier $1->tail->next = $3; 2647126353Smlaier $1->tail = $3; 2648126353Smlaier $$ = $1; 2649126353Smlaier } 2650126353Smlaier ; 2651126353Smlaier 2652126353Smlaierport_item : port { 2653126353Smlaier $$ = calloc(1, sizeof(struct node_port)); 2654126353Smlaier if ($$ == NULL) 2655126353Smlaier err(1, "port_item: calloc"); 2656126353Smlaier $$->port[0] = $1.a; 2657126353Smlaier $$->port[1] = $1.b; 2658126353Smlaier if ($1.t) 2659126353Smlaier $$->op = PF_OP_RRG; 2660126353Smlaier else 2661126353Smlaier $$->op = PF_OP_EQ; 2662126353Smlaier $$->next = NULL; 2663126353Smlaier $$->tail = $$; 2664126353Smlaier } 2665126353Smlaier | unaryop port { 2666126353Smlaier if ($2.t) { 2667126353Smlaier yyerror("':' cannot be used with an other " 2668126353Smlaier "port operator"); 2669126353Smlaier YYERROR; 2670126353Smlaier } 2671126353Smlaier $$ = calloc(1, sizeof(struct node_port)); 2672126353Smlaier if ($$ == NULL) 2673126353Smlaier err(1, "port_item: calloc"); 2674126353Smlaier $$->port[0] = $2.a; 2675126353Smlaier $$->port[1] = $2.b; 2676126353Smlaier $$->op = $1; 2677126353Smlaier $$->next = NULL; 2678126353Smlaier $$->tail = $$; 2679126353Smlaier } 2680126353Smlaier | port PORTBINARY port { 2681126353Smlaier if ($1.t || $3.t) { 2682126353Smlaier yyerror("':' cannot be used with an other " 2683126353Smlaier "port operator"); 2684126353Smlaier YYERROR; 2685126353Smlaier } 2686126353Smlaier $$ = calloc(1, sizeof(struct node_port)); 2687126353Smlaier if ($$ == NULL) 2688126353Smlaier err(1, "port_item: calloc"); 2689126353Smlaier $$->port[0] = $1.a; 2690126353Smlaier $$->port[1] = $3.a; 2691126353Smlaier $$->op = $2; 2692126353Smlaier $$->next = NULL; 2693126353Smlaier $$->tail = $$; 2694126353Smlaier } 2695126353Smlaier ; 2696126353Smlaier 2697126353Smlaierport : STRING { 2698126353Smlaier char *p = strchr($1, ':'); 2699126353Smlaier 2700126353Smlaier if (p == NULL) { 2701171172Smlaier if (($$.a = getservice($1)) == -1) { 2702171172Smlaier free($1); 2703171172Smlaier YYERROR; 2704126353Smlaier } 2705171172Smlaier $$.b = $$.t = 0; 2706126353Smlaier } else { 2707126353Smlaier int port[2]; 2708126353Smlaier 2709126353Smlaier *p++ = 0; 2710126353Smlaier if ((port[0] = getservice($1)) == -1 || 2711130617Smlaier (port[1] = getservice(p)) == -1) { 2712130617Smlaier free($1); 2713126353Smlaier YYERROR; 2714130617Smlaier } 2715126353Smlaier $$.a = port[0]; 2716126353Smlaier $$.b = port[1]; 2717126353Smlaier $$.t = PF_OP_RRG; 2718126353Smlaier } 2719130617Smlaier free($1); 2720126353Smlaier } 2721126353Smlaier ; 2722126353Smlaier 2723126353Smlaieruids : uid_item { $$ = $1; } 2724126353Smlaier | '{' uid_list '}' { $$ = $2; } 2725126353Smlaier ; 2726126353Smlaier 2727126353Smlaieruid_list : uid_item { $$ = $1; } 2728126353Smlaier | uid_list comma uid_item { 2729126353Smlaier $1->tail->next = $3; 2730126353Smlaier $1->tail = $3; 2731126353Smlaier $$ = $1; 2732126353Smlaier } 2733126353Smlaier ; 2734126353Smlaier 2735126353Smlaieruid_item : uid { 2736126353Smlaier $$ = calloc(1, sizeof(struct node_uid)); 2737126353Smlaier if ($$ == NULL) 2738126353Smlaier err(1, "uid_item: calloc"); 2739126353Smlaier $$->uid[0] = $1; 2740126353Smlaier $$->uid[1] = $1; 2741126353Smlaier $$->op = PF_OP_EQ; 2742126353Smlaier $$->next = NULL; 2743126353Smlaier $$->tail = $$; 2744126353Smlaier } 2745126353Smlaier | unaryop uid { 2746126353Smlaier if ($2 == UID_MAX && $1 != PF_OP_EQ && $1 != PF_OP_NE) { 2747126353Smlaier yyerror("user unknown requires operator = or " 2748126353Smlaier "!="); 2749126353Smlaier YYERROR; 2750126353Smlaier } 2751126353Smlaier $$ = calloc(1, sizeof(struct node_uid)); 2752126353Smlaier if ($$ == NULL) 2753126353Smlaier err(1, "uid_item: calloc"); 2754126353Smlaier $$->uid[0] = $2; 2755126353Smlaier $$->uid[1] = $2; 2756126353Smlaier $$->op = $1; 2757126353Smlaier $$->next = NULL; 2758126353Smlaier $$->tail = $$; 2759126353Smlaier } 2760126353Smlaier | uid PORTBINARY uid { 2761126353Smlaier if ($1 == UID_MAX || $3 == UID_MAX) { 2762126353Smlaier yyerror("user unknown requires operator = or " 2763126353Smlaier "!="); 2764126353Smlaier YYERROR; 2765126353Smlaier } 2766126353Smlaier $$ = calloc(1, sizeof(struct node_uid)); 2767126353Smlaier if ($$ == NULL) 2768126353Smlaier err(1, "uid_item: calloc"); 2769126353Smlaier $$->uid[0] = $1; 2770126353Smlaier $$->uid[1] = $3; 2771126353Smlaier $$->op = $2; 2772126353Smlaier $$->next = NULL; 2773126353Smlaier $$->tail = $$; 2774126353Smlaier } 2775126353Smlaier ; 2776126353Smlaier 2777126353Smlaieruid : STRING { 2778126353Smlaier u_long ulval; 2779126353Smlaier 2780126353Smlaier if (atoul($1, &ulval) == -1) { 2781126353Smlaier if (!strcmp($1, "unknown")) 2782126353Smlaier $$ = UID_MAX; 2783126353Smlaier else { 2784126353Smlaier struct passwd *pw; 2785126353Smlaier 2786126353Smlaier if ((pw = getpwnam($1)) == NULL) { 2787126353Smlaier yyerror("unknown user %s", $1); 2788130617Smlaier free($1); 2789126353Smlaier YYERROR; 2790126353Smlaier } 2791126353Smlaier $$ = pw->pw_uid; 2792126353Smlaier } 2793126353Smlaier } else { 2794126353Smlaier if (ulval >= UID_MAX) { 2795130617Smlaier free($1); 2796126353Smlaier yyerror("illegal uid value %lu", ulval); 2797126353Smlaier YYERROR; 2798126353Smlaier } 2799126353Smlaier $$ = ulval; 2800126353Smlaier } 2801130617Smlaier free($1); 2802126353Smlaier } 2803126353Smlaier ; 2804126353Smlaier 2805126353Smlaiergids : gid_item { $$ = $1; } 2806126353Smlaier | '{' gid_list '}' { $$ = $2; } 2807126353Smlaier ; 2808126353Smlaier 2809126353Smlaiergid_list : gid_item { $$ = $1; } 2810126353Smlaier | gid_list comma gid_item { 2811126353Smlaier $1->tail->next = $3; 2812126353Smlaier $1->tail = $3; 2813126353Smlaier $$ = $1; 2814126353Smlaier } 2815126353Smlaier ; 2816126353Smlaier 2817126353Smlaiergid_item : gid { 2818126353Smlaier $$ = calloc(1, sizeof(struct node_gid)); 2819126353Smlaier if ($$ == NULL) 2820126353Smlaier err(1, "gid_item: calloc"); 2821126353Smlaier $$->gid[0] = $1; 2822126353Smlaier $$->gid[1] = $1; 2823126353Smlaier $$->op = PF_OP_EQ; 2824126353Smlaier $$->next = NULL; 2825126353Smlaier $$->tail = $$; 2826126353Smlaier } 2827126353Smlaier | unaryop gid { 2828126353Smlaier if ($2 == GID_MAX && $1 != PF_OP_EQ && $1 != PF_OP_NE) { 2829126353Smlaier yyerror("group unknown requires operator = or " 2830126353Smlaier "!="); 2831126353Smlaier YYERROR; 2832126353Smlaier } 2833126353Smlaier $$ = calloc(1, sizeof(struct node_gid)); 2834126353Smlaier if ($$ == NULL) 2835126353Smlaier err(1, "gid_item: calloc"); 2836126353Smlaier $$->gid[0] = $2; 2837126353Smlaier $$->gid[1] = $2; 2838126353Smlaier $$->op = $1; 2839126353Smlaier $$->next = NULL; 2840126353Smlaier $$->tail = $$; 2841126353Smlaier } 2842126353Smlaier | gid PORTBINARY gid { 2843126353Smlaier if ($1 == GID_MAX || $3 == GID_MAX) { 2844126353Smlaier yyerror("group unknown requires operator = or " 2845126353Smlaier "!="); 2846126353Smlaier YYERROR; 2847126353Smlaier } 2848126353Smlaier $$ = calloc(1, sizeof(struct node_gid)); 2849126353Smlaier if ($$ == NULL) 2850126353Smlaier err(1, "gid_item: calloc"); 2851126353Smlaier $$->gid[0] = $1; 2852126353Smlaier $$->gid[1] = $3; 2853126353Smlaier $$->op = $2; 2854126353Smlaier $$->next = NULL; 2855126353Smlaier $$->tail = $$; 2856126353Smlaier } 2857126353Smlaier ; 2858126353Smlaier 2859126353Smlaiergid : STRING { 2860126353Smlaier u_long ulval; 2861126353Smlaier 2862126353Smlaier if (atoul($1, &ulval) == -1) { 2863126353Smlaier if (!strcmp($1, "unknown")) 2864126353Smlaier $$ = GID_MAX; 2865126353Smlaier else { 2866126353Smlaier struct group *grp; 2867126353Smlaier 2868126353Smlaier if ((grp = getgrnam($1)) == NULL) { 2869126353Smlaier yyerror("unknown group %s", $1); 2870130617Smlaier free($1); 2871126353Smlaier YYERROR; 2872126353Smlaier } 2873126353Smlaier $$ = grp->gr_gid; 2874126353Smlaier } 2875126353Smlaier } else { 2876126353Smlaier if (ulval >= GID_MAX) { 2877126353Smlaier yyerror("illegal gid value %lu", ulval); 2878130617Smlaier free($1); 2879126353Smlaier YYERROR; 2880126353Smlaier } 2881126353Smlaier $$ = ulval; 2882126353Smlaier } 2883130617Smlaier free($1); 2884126353Smlaier } 2885126353Smlaier ; 2886126353Smlaier 2887126353Smlaierflag : STRING { 2888126353Smlaier int f; 2889126353Smlaier 2890126353Smlaier if ((f = parse_flags($1)) < 0) { 2891126353Smlaier yyerror("bad flags %s", $1); 2892130617Smlaier free($1); 2893126353Smlaier YYERROR; 2894126353Smlaier } 2895130617Smlaier free($1); 2896126353Smlaier $$.b1 = f; 2897126353Smlaier } 2898126353Smlaier ; 2899126353Smlaier 2900126353Smlaierflags : FLAGS flag '/' flag { $$.b1 = $2.b1; $$.b2 = $4.b1; } 2901126353Smlaier | FLAGS '/' flag { $$.b1 = 0; $$.b2 = $3.b1; } 2902171172Smlaier | FLAGS ANY { $$.b1 = 0; $$.b2 = 0; } 2903126353Smlaier ; 2904126353Smlaier 2905126353Smlaiericmpspec : ICMPTYPE icmp_item { $$ = $2; } 2906126353Smlaier | ICMPTYPE '{' icmp_list '}' { $$ = $3; } 2907126353Smlaier | ICMP6TYPE icmp6_item { $$ = $2; } 2908126353Smlaier | ICMP6TYPE '{' icmp6_list '}' { $$ = $3; } 2909126353Smlaier ; 2910126353Smlaier 2911126353Smlaiericmp_list : icmp_item { $$ = $1; } 2912126353Smlaier | icmp_list comma icmp_item { 2913126353Smlaier $1->tail->next = $3; 2914126353Smlaier $1->tail = $3; 2915126353Smlaier $$ = $1; 2916126353Smlaier } 2917126353Smlaier ; 2918126353Smlaier 2919126353Smlaiericmp6_list : icmp6_item { $$ = $1; } 2920126353Smlaier | icmp6_list comma icmp6_item { 2921126353Smlaier $1->tail->next = $3; 2922126353Smlaier $1->tail = $3; 2923126353Smlaier $$ = $1; 2924126353Smlaier } 2925126353Smlaier ; 2926126353Smlaier 2927126353Smlaiericmp_item : icmptype { 2928126353Smlaier $$ = calloc(1, sizeof(struct node_icmp)); 2929126353Smlaier if ($$ == NULL) 2930126353Smlaier err(1, "icmp_item: calloc"); 2931126353Smlaier $$->type = $1; 2932126353Smlaier $$->code = 0; 2933126353Smlaier $$->proto = IPPROTO_ICMP; 2934126353Smlaier $$->next = NULL; 2935126353Smlaier $$->tail = $$; 2936126353Smlaier } 2937126353Smlaier | icmptype CODE STRING { 2938126353Smlaier const struct icmpcodeent *p; 2939126353Smlaier u_long ulval; 2940126353Smlaier 2941126353Smlaier if (atoul($3, &ulval) == 0) { 2942126353Smlaier if (ulval > 255) { 2943130617Smlaier free($3); 2944145840Smlaier yyerror("illegal icmp-code %lu", ulval); 2945126353Smlaier YYERROR; 2946126353Smlaier } 2947126353Smlaier } else { 2948126353Smlaier if ((p = geticmpcodebyname($1-1, $3, 2949126353Smlaier AF_INET)) == NULL) { 2950126353Smlaier yyerror("unknown icmp-code %s", $3); 2951130617Smlaier free($3); 2952126353Smlaier YYERROR; 2953126353Smlaier } 2954126353Smlaier ulval = p->code; 2955126353Smlaier } 2956130617Smlaier free($3); 2957126353Smlaier $$ = calloc(1, sizeof(struct node_icmp)); 2958126353Smlaier if ($$ == NULL) 2959126353Smlaier err(1, "icmp_item: calloc"); 2960126353Smlaier $$->type = $1; 2961126353Smlaier $$->code = ulval + 1; 2962126353Smlaier $$->proto = IPPROTO_ICMP; 2963126353Smlaier $$->next = NULL; 2964126353Smlaier $$->tail = $$; 2965126353Smlaier } 2966126353Smlaier ; 2967126353Smlaier 2968126353Smlaiericmp6_item : icmp6type { 2969126353Smlaier $$ = calloc(1, sizeof(struct node_icmp)); 2970126353Smlaier if ($$ == NULL) 2971126353Smlaier err(1, "icmp_item: calloc"); 2972126353Smlaier $$->type = $1; 2973126353Smlaier $$->code = 0; 2974126353Smlaier $$->proto = IPPROTO_ICMPV6; 2975126353Smlaier $$->next = NULL; 2976126353Smlaier $$->tail = $$; 2977126353Smlaier } 2978126353Smlaier | icmp6type CODE STRING { 2979126353Smlaier const struct icmpcodeent *p; 2980126353Smlaier u_long ulval; 2981126353Smlaier 2982126353Smlaier if (atoul($3, &ulval) == 0) { 2983126353Smlaier if (ulval > 255) { 2984145840Smlaier yyerror("illegal icmp6-code %lu", 2985126353Smlaier ulval); 2986130617Smlaier free($3); 2987126353Smlaier YYERROR; 2988126353Smlaier } 2989126353Smlaier } else { 2990126353Smlaier if ((p = geticmpcodebyname($1-1, $3, 2991126353Smlaier AF_INET6)) == NULL) { 2992126353Smlaier yyerror("unknown icmp6-code %s", $3); 2993130617Smlaier free($3); 2994126353Smlaier YYERROR; 2995126353Smlaier } 2996126353Smlaier ulval = p->code; 2997126353Smlaier } 2998130617Smlaier free($3); 2999126353Smlaier $$ = calloc(1, sizeof(struct node_icmp)); 3000126353Smlaier if ($$ == NULL) 3001126353Smlaier err(1, "icmp_item: calloc"); 3002126353Smlaier $$->type = $1; 3003126353Smlaier $$->code = ulval + 1; 3004126353Smlaier $$->proto = IPPROTO_ICMPV6; 3005126353Smlaier $$->next = NULL; 3006126353Smlaier $$->tail = $$; 3007126353Smlaier } 3008126353Smlaier ; 3009126353Smlaier 3010126353Smlaiericmptype : STRING { 3011126353Smlaier const struct icmptypeent *p; 3012126353Smlaier u_long ulval; 3013126353Smlaier 3014126353Smlaier if (atoul($1, &ulval) == 0) { 3015126353Smlaier if (ulval > 255) { 3016145840Smlaier yyerror("illegal icmp-type %lu", ulval); 3017130617Smlaier free($1); 3018126353Smlaier YYERROR; 3019126353Smlaier } 3020126353Smlaier $$ = ulval + 1; 3021126353Smlaier } else { 3022126353Smlaier if ((p = geticmptypebyname($1, AF_INET)) == 3023126353Smlaier NULL) { 3024126353Smlaier yyerror("unknown icmp-type %s", $1); 3025130617Smlaier free($1); 3026126353Smlaier YYERROR; 3027126353Smlaier } 3028126353Smlaier $$ = p->type + 1; 3029126353Smlaier } 3030130617Smlaier free($1); 3031126353Smlaier } 3032126353Smlaier ; 3033126353Smlaier 3034126353Smlaiericmp6type : STRING { 3035126353Smlaier const struct icmptypeent *p; 3036126353Smlaier u_long ulval; 3037126353Smlaier 3038126353Smlaier if (atoul($1, &ulval) == 0) { 3039126353Smlaier if (ulval > 255) { 3040171172Smlaier yyerror("illegal icmp6-type %lu", 3041171172Smlaier ulval); 3042130617Smlaier free($1); 3043126353Smlaier YYERROR; 3044126353Smlaier } 3045126353Smlaier $$ = ulval + 1; 3046126353Smlaier } else { 3047126353Smlaier if ((p = geticmptypebyname($1, AF_INET6)) == 3048126353Smlaier NULL) { 3049126353Smlaier yyerror("unknown icmp6-type %s", $1); 3050130617Smlaier free($1); 3051126353Smlaier YYERROR; 3052126353Smlaier } 3053126353Smlaier $$ = p->type + 1; 3054126353Smlaier } 3055130617Smlaier free($1); 3056126353Smlaier } 3057126353Smlaier ; 3058126353Smlaier 3059126353Smlaiertos : TOS STRING { 3060126353Smlaier if (!strcmp($2, "lowdelay")) 3061126353Smlaier $$ = IPTOS_LOWDELAY; 3062126353Smlaier else if (!strcmp($2, "throughput")) 3063126353Smlaier $$ = IPTOS_THROUGHPUT; 3064126353Smlaier else if (!strcmp($2, "reliability")) 3065126353Smlaier $$ = IPTOS_RELIABILITY; 3066126353Smlaier else if ($2[0] == '0' && $2[1] == 'x') 3067126353Smlaier $$ = strtoul($2, NULL, 16); 3068126353Smlaier else 3069126353Smlaier $$ = strtoul($2, NULL, 10); 3070126353Smlaier if (!$$ || $$ > 255) { 3071126353Smlaier yyerror("illegal tos value %s", $2); 3072130617Smlaier free($2); 3073126353Smlaier YYERROR; 3074126353Smlaier } 3075130617Smlaier free($2); 3076126353Smlaier } 3077126353Smlaier ; 3078126353Smlaier 3079130617Smlaiersourcetrack : SOURCETRACK { $$ = PF_SRCTRACK; } 3080130617Smlaier | SOURCETRACK GLOBAL { $$ = PF_SRCTRACK_GLOBAL; } 3081130617Smlaier | SOURCETRACK RULE { $$ = PF_SRCTRACK_RULE; } 3082130617Smlaier ; 3083130617Smlaier 3084130617Smlaierstatelock : IFBOUND { 3085130617Smlaier $$ = PFRULE_IFBOUND; 3086130617Smlaier } 3087130617Smlaier | FLOATING { 3088130617Smlaier $$ = 0; 3089130617Smlaier } 3090130617Smlaier ; 3091130617Smlaier 3092171172Smlaierkeep : NO STATE { 3093171172Smlaier $$.action = 0; 3094171172Smlaier $$.options = NULL; 3095171172Smlaier } 3096171172Smlaier | KEEP STATE state_opt_spec { 3097126353Smlaier $$.action = PF_STATE_NORMAL; 3098126353Smlaier $$.options = $3; 3099126353Smlaier } 3100130617Smlaier | MODULATE STATE state_opt_spec { 3101126353Smlaier $$.action = PF_STATE_MODULATE; 3102126353Smlaier $$.options = $3; 3103126353Smlaier } 3104126353Smlaier | SYNPROXY STATE state_opt_spec { 3105126353Smlaier $$.action = PF_STATE_SYNPROXY; 3106126353Smlaier $$.options = $3; 3107126353Smlaier } 3108126353Smlaier ; 3109126353Smlaier 3110145840Smlaierflush : /* empty */ { $$ = 0; } 3111145840Smlaier | FLUSH { $$ = PF_FLUSH; } 3112145840Smlaier | FLUSH GLOBAL { 3113145840Smlaier $$ = PF_FLUSH | PF_FLUSH_GLOBAL; 3114145840Smlaier } 3115145840Smlaier ; 3116145840Smlaier 3117126353Smlaierstate_opt_spec : '(' state_opt_list ')' { $$ = $2; } 3118126353Smlaier | /* empty */ { $$ = NULL; } 3119126353Smlaier ; 3120126353Smlaier 3121126353Smlaierstate_opt_list : state_opt_item { $$ = $1; } 3122126353Smlaier | state_opt_list comma state_opt_item { 3123126353Smlaier $1->tail->next = $3; 3124126353Smlaier $1->tail = $3; 3125126353Smlaier $$ = $1; 3126126353Smlaier } 3127126353Smlaier ; 3128126353Smlaier 3129126353Smlaierstate_opt_item : MAXIMUM number { 3130126353Smlaier $$ = calloc(1, sizeof(struct node_state_opt)); 3131126353Smlaier if ($$ == NULL) 3132126353Smlaier err(1, "state_opt_item: calloc"); 3133126353Smlaier $$->type = PF_STATE_OPT_MAX; 3134126353Smlaier $$->data.max_states = $2; 3135126353Smlaier $$->next = NULL; 3136126353Smlaier $$->tail = $$; 3137126353Smlaier } 3138130617Smlaier | NOSYNC { 3139130617Smlaier $$ = calloc(1, sizeof(struct node_state_opt)); 3140130617Smlaier if ($$ == NULL) 3141130617Smlaier err(1, "state_opt_item: calloc"); 3142130617Smlaier $$->type = PF_STATE_OPT_NOSYNC; 3143130617Smlaier $$->next = NULL; 3144130617Smlaier $$->tail = $$; 3145130617Smlaier } 3146130617Smlaier | MAXSRCSTATES number { 3147130617Smlaier $$ = calloc(1, sizeof(struct node_state_opt)); 3148130617Smlaier if ($$ == NULL) 3149130617Smlaier err(1, "state_opt_item: calloc"); 3150130617Smlaier $$->type = PF_STATE_OPT_MAX_SRC_STATES; 3151130617Smlaier $$->data.max_src_states = $2; 3152130617Smlaier $$->next = NULL; 3153130617Smlaier $$->tail = $$; 3154130617Smlaier } 3155145840Smlaier | MAXSRCCONN number { 3156145840Smlaier $$ = calloc(1, sizeof(struct node_state_opt)); 3157145840Smlaier if ($$ == NULL) 3158145840Smlaier err(1, "state_opt_item: calloc"); 3159145840Smlaier $$->type = PF_STATE_OPT_MAX_SRC_CONN; 3160145840Smlaier $$->data.max_src_conn = $2; 3161145840Smlaier $$->next = NULL; 3162145840Smlaier $$->tail = $$; 3163145840Smlaier } 3164145840Smlaier | MAXSRCCONNRATE number '/' number { 3165145840Smlaier $$ = calloc(1, sizeof(struct node_state_opt)); 3166145840Smlaier if ($$ == NULL) 3167145840Smlaier err(1, "state_opt_item: calloc"); 3168145840Smlaier $$->type = PF_STATE_OPT_MAX_SRC_CONN_RATE; 3169145840Smlaier $$->data.max_src_conn_rate.limit = $2; 3170145840Smlaier $$->data.max_src_conn_rate.seconds = $4; 3171145840Smlaier $$->next = NULL; 3172145840Smlaier $$->tail = $$; 3173145840Smlaier } 3174145840Smlaier | OVERLOAD '<' STRING '>' flush { 3175145840Smlaier if (strlen($3) >= PF_TABLE_NAME_SIZE) { 3176145840Smlaier yyerror("table name '%s' too long", $3); 3177145840Smlaier free($3); 3178145840Smlaier YYERROR; 3179145840Smlaier } 3180145840Smlaier $$ = calloc(1, sizeof(struct node_state_opt)); 3181145840Smlaier if ($$ == NULL) 3182145840Smlaier err(1, "state_opt_item: calloc"); 3183145840Smlaier if (strlcpy($$->data.overload.tblname, $3, 3184145840Smlaier PF_TABLE_NAME_SIZE) >= PF_TABLE_NAME_SIZE) 3185145840Smlaier errx(1, "state_opt_item: strlcpy"); 3186145840Smlaier free($3); 3187145840Smlaier $$->type = PF_STATE_OPT_OVERLOAD; 3188145840Smlaier $$->data.overload.flush = $5; 3189145840Smlaier $$->next = NULL; 3190145840Smlaier $$->tail = $$; 3191145840Smlaier } 3192130617Smlaier | MAXSRCNODES number { 3193130617Smlaier $$ = calloc(1, sizeof(struct node_state_opt)); 3194130617Smlaier if ($$ == NULL) 3195130617Smlaier err(1, "state_opt_item: calloc"); 3196130617Smlaier $$->type = PF_STATE_OPT_MAX_SRC_NODES; 3197130617Smlaier $$->data.max_src_nodes = $2; 3198130617Smlaier $$->next = NULL; 3199130617Smlaier $$->tail = $$; 3200130617Smlaier } 3201130617Smlaier | sourcetrack { 3202130617Smlaier $$ = calloc(1, sizeof(struct node_state_opt)); 3203130617Smlaier if ($$ == NULL) 3204130617Smlaier err(1, "state_opt_item: calloc"); 3205130617Smlaier $$->type = PF_STATE_OPT_SRCTRACK; 3206130617Smlaier $$->data.src_track = $1; 3207130617Smlaier $$->next = NULL; 3208130617Smlaier $$->tail = $$; 3209130617Smlaier } 3210130617Smlaier | statelock { 3211130617Smlaier $$ = calloc(1, sizeof(struct node_state_opt)); 3212130617Smlaier if ($$ == NULL) 3213130617Smlaier err(1, "state_opt_item: calloc"); 3214130617Smlaier $$->type = PF_STATE_OPT_STATELOCK; 3215130617Smlaier $$->data.statelock = $1; 3216130617Smlaier $$->next = NULL; 3217130617Smlaier $$->tail = $$; 3218130617Smlaier } 3219126353Smlaier | STRING number { 3220126353Smlaier int i; 3221126353Smlaier 3222126353Smlaier for (i = 0; pf_timeouts[i].name && 3223126353Smlaier strcmp(pf_timeouts[i].name, $1); ++i) 3224126353Smlaier ; /* nothing */ 3225126353Smlaier if (!pf_timeouts[i].name) { 3226126353Smlaier yyerror("illegal timeout name %s", $1); 3227130617Smlaier free($1); 3228126353Smlaier YYERROR; 3229126353Smlaier } 3230126353Smlaier if (strchr(pf_timeouts[i].name, '.') == NULL) { 3231126353Smlaier yyerror("illegal state timeout %s", $1); 3232130617Smlaier free($1); 3233126353Smlaier YYERROR; 3234126353Smlaier } 3235130617Smlaier free($1); 3236126353Smlaier $$ = calloc(1, sizeof(struct node_state_opt)); 3237126353Smlaier if ($$ == NULL) 3238126353Smlaier err(1, "state_opt_item: calloc"); 3239126353Smlaier $$->type = PF_STATE_OPT_TIMEOUT; 3240126353Smlaier $$->data.timeout.number = pf_timeouts[i].timeout; 3241126353Smlaier $$->data.timeout.seconds = $2; 3242126353Smlaier $$->next = NULL; 3243126353Smlaier $$->tail = $$; 3244126353Smlaier } 3245126353Smlaier ; 3246126353Smlaier 3247126353Smlaierlabel : LABEL STRING { 3248130617Smlaier $$ = $2; 3249126353Smlaier } 3250126353Smlaier ; 3251126353Smlaier 3252126353Smlaierqname : QUEUE STRING { 3253130617Smlaier $$.qname = $2; 3254126353Smlaier } 3255126353Smlaier | QUEUE '(' STRING ')' { 3256130617Smlaier $$.qname = $3; 3257126353Smlaier } 3258126353Smlaier | QUEUE '(' STRING comma STRING ')' { 3259130617Smlaier $$.qname = $3; 3260130617Smlaier $$.pqname = $5; 3261126353Smlaier } 3262126353Smlaier ; 3263126353Smlaier 3264126353Smlaierno : /* empty */ { $$ = 0; } 3265126353Smlaier | NO { $$ = 1; } 3266126353Smlaier ; 3267126353Smlaier 3268126353Smlaierrport : STRING { 3269126353Smlaier char *p = strchr($1, ':'); 3270126353Smlaier 3271126353Smlaier if (p == NULL) { 3272130617Smlaier if (($$.a = getservice($1)) == -1) { 3273130617Smlaier free($1); 3274126353Smlaier YYERROR; 3275130617Smlaier } 3276126353Smlaier $$.b = $$.t = 0; 3277126353Smlaier } else if (!strcmp(p+1, "*")) { 3278126353Smlaier *p = 0; 3279130617Smlaier if (($$.a = getservice($1)) == -1) { 3280130617Smlaier free($1); 3281126353Smlaier YYERROR; 3282130617Smlaier } 3283126353Smlaier $$.b = 0; 3284126353Smlaier $$.t = 1; 3285126353Smlaier } else { 3286126353Smlaier *p++ = 0; 3287126353Smlaier if (($$.a = getservice($1)) == -1 || 3288130617Smlaier ($$.b = getservice(p)) == -1) { 3289130617Smlaier free($1); 3290126353Smlaier YYERROR; 3291130617Smlaier } 3292126353Smlaier if ($$.a == $$.b) 3293126353Smlaier $$.b = 0; 3294126353Smlaier $$.t = 0; 3295126353Smlaier } 3296130617Smlaier free($1); 3297126353Smlaier } 3298126353Smlaier ; 3299126353Smlaier 3300126353Smlaierredirspec : host { $$ = $1; } 3301126353Smlaier | '{' redir_host_list '}' { $$ = $2; } 3302126353Smlaier ; 3303126353Smlaier 3304126353Smlaierredir_host_list : host { $$ = $1; } 3305126353Smlaier | redir_host_list comma host { 3306126353Smlaier $1->tail->next = $3; 3307126353Smlaier $1->tail = $3->tail; 3308126353Smlaier $$ = $1; 3309126353Smlaier } 3310126353Smlaier ; 3311126353Smlaier 3312126353Smlaierredirpool : /* empty */ { $$ = NULL; } 3313126353Smlaier | ARROW redirspec { 3314126353Smlaier $$ = calloc(1, sizeof(struct redirection)); 3315126353Smlaier if ($$ == NULL) 3316126353Smlaier err(1, "redirection: calloc"); 3317126353Smlaier $$->host = $2; 3318126353Smlaier $$->rport.a = $$->rport.b = $$->rport.t = 0; 3319126353Smlaier } 3320126353Smlaier | ARROW redirspec PORT rport { 3321126353Smlaier $$ = calloc(1, sizeof(struct redirection)); 3322126353Smlaier if ($$ == NULL) 3323126353Smlaier err(1, "redirection: calloc"); 3324126353Smlaier $$->host = $2; 3325126353Smlaier $$->rport = $4; 3326126353Smlaier } 3327126353Smlaier ; 3328126353Smlaier 3329126353Smlaierhashkey : /* empty */ 3330126353Smlaier { 3331126353Smlaier $$ = calloc(1, sizeof(struct pf_poolhashkey)); 3332126353Smlaier if ($$ == NULL) 3333126353Smlaier err(1, "hashkey: calloc"); 3334126353Smlaier $$->key32[0] = arc4random(); 3335126353Smlaier $$->key32[1] = arc4random(); 3336126353Smlaier $$->key32[2] = arc4random(); 3337126353Smlaier $$->key32[3] = arc4random(); 3338126353Smlaier } 3339126353Smlaier | string 3340126353Smlaier { 3341126353Smlaier if (!strncmp($1, "0x", 2)) { 3342126353Smlaier if (strlen($1) != 34) { 3343130617Smlaier free($1); 3344126353Smlaier yyerror("hex key must be 128 bits " 3345126353Smlaier "(32 hex digits) long"); 3346126353Smlaier YYERROR; 3347126353Smlaier } 3348126353Smlaier $$ = calloc(1, sizeof(struct pf_poolhashkey)); 3349126353Smlaier if ($$ == NULL) 3350126353Smlaier err(1, "hashkey: calloc"); 3351126353Smlaier 3352126353Smlaier if (sscanf($1, "0x%8x%8x%8x%8x", 3353126353Smlaier &$$->key32[0], &$$->key32[1], 3354126353Smlaier &$$->key32[2], &$$->key32[3]) != 4) { 3355126353Smlaier free($$); 3356130617Smlaier free($1); 3357126353Smlaier yyerror("invalid hex key"); 3358126353Smlaier YYERROR; 3359126353Smlaier } 3360126353Smlaier } else { 3361126353Smlaier MD5_CTX context; 3362126353Smlaier 3363126353Smlaier $$ = calloc(1, sizeof(struct pf_poolhashkey)); 3364126353Smlaier if ($$ == NULL) 3365126353Smlaier err(1, "hashkey: calloc"); 3366126353Smlaier MD5Init(&context); 3367126353Smlaier MD5Update(&context, (unsigned char *)$1, 3368126353Smlaier strlen($1)); 3369126353Smlaier MD5Final((unsigned char *)$$, &context); 3370126353Smlaier HTONL($$->key32[0]); 3371126353Smlaier HTONL($$->key32[1]); 3372126353Smlaier HTONL($$->key32[2]); 3373126353Smlaier HTONL($$->key32[3]); 3374126353Smlaier } 3375130617Smlaier free($1); 3376126353Smlaier } 3377126353Smlaier ; 3378126353Smlaier 3379130617Smlaierpool_opts : { bzero(&pool_opts, sizeof pool_opts); } 3380130617Smlaier pool_opts_l 3381130617Smlaier { $$ = pool_opts; } 3382130617Smlaier | /* empty */ { 3383130617Smlaier bzero(&pool_opts, sizeof pool_opts); 3384130617Smlaier $$ = pool_opts; 3385126353Smlaier } 3386130617Smlaier ; 3387130617Smlaier 3388130617Smlaierpool_opts_l : pool_opts_l pool_opt 3389130617Smlaier | pool_opt 3390130617Smlaier ; 3391130617Smlaier 3392130617Smlaierpool_opt : BITMASK { 3393130617Smlaier if (pool_opts.type) { 3394130617Smlaier yyerror("pool type cannot be redefined"); 3395130617Smlaier YYERROR; 3396130617Smlaier } 3397130617Smlaier pool_opts.type = PF_POOL_BITMASK; 3398126353Smlaier } 3399130617Smlaier | RANDOM { 3400130617Smlaier if (pool_opts.type) { 3401130617Smlaier yyerror("pool type cannot be redefined"); 3402130617Smlaier YYERROR; 3403130617Smlaier } 3404130617Smlaier pool_opts.type = PF_POOL_RANDOM; 3405126353Smlaier } 3406130617Smlaier | SOURCEHASH hashkey { 3407130617Smlaier if (pool_opts.type) { 3408130617Smlaier yyerror("pool type cannot be redefined"); 3409130617Smlaier YYERROR; 3410130617Smlaier } 3411130617Smlaier pool_opts.type = PF_POOL_SRCHASH; 3412130617Smlaier pool_opts.key = $2; 3413126353Smlaier } 3414130617Smlaier | ROUNDROBIN { 3415130617Smlaier if (pool_opts.type) { 3416130617Smlaier yyerror("pool type cannot be redefined"); 3417130617Smlaier YYERROR; 3418130617Smlaier } 3419130617Smlaier pool_opts.type = PF_POOL_ROUNDROBIN; 3420126353Smlaier } 3421130617Smlaier | STATICPORT { 3422130617Smlaier if (pool_opts.staticport) { 3423130617Smlaier yyerror("static-port cannot be redefined"); 3424130617Smlaier YYERROR; 3425130617Smlaier } 3426130617Smlaier pool_opts.staticport = 1; 3427130617Smlaier } 3428130617Smlaier | STICKYADDRESS { 3429130617Smlaier if (filter_opts.marker & POM_STICKYADDRESS) { 3430130617Smlaier yyerror("sticky-address cannot be redefined"); 3431130617Smlaier YYERROR; 3432130617Smlaier } 3433130617Smlaier pool_opts.marker |= POM_STICKYADDRESS; 3434130617Smlaier pool_opts.opts |= PF_POOL_STICKYADDR; 3435130617Smlaier } 3436126353Smlaier ; 3437126353Smlaier 3438126353Smlaierredirection : /* empty */ { $$ = NULL; } 3439126353Smlaier | ARROW host { 3440126353Smlaier $$ = calloc(1, sizeof(struct redirection)); 3441126353Smlaier if ($$ == NULL) 3442126353Smlaier err(1, "redirection: calloc"); 3443126353Smlaier $$->host = $2; 3444126353Smlaier $$->rport.a = $$->rport.b = $$->rport.t = 0; 3445126353Smlaier } 3446126353Smlaier | ARROW host PORT rport { 3447126353Smlaier $$ = calloc(1, sizeof(struct redirection)); 3448126353Smlaier if ($$ == NULL) 3449126353Smlaier err(1, "redirection: calloc"); 3450126353Smlaier $$->host = $2; 3451126353Smlaier $$->rport = $4; 3452126353Smlaier } 3453126353Smlaier ; 3454126353Smlaier 3455171172Smlaier/* ifdef __FreeBSD__ */ 3456171172Smlaiernatpass : /* empty */ { $$.b1 = $$.b2 = 0; $$.w2 = 0; } 3457171172Smlaier | PASS { $$.b1 = 1; $$.b2 = 0; $$.w2 = 0; } 3458171172Smlaier/* else 3459171172Smlaiernatpass : empty { $$.b1 = $$.b2 = 0; } 3460171172Smlaier | PASS { $$.b1 = 1; $$.b2 = 0; } 3461171172Smlaier * endif */ 3462171172Smlaier | PASS log { $$.b1 = 1; $$.b2 = $2.log; $$.w2 = $2.logif; } 3463126353Smlaier ; 3464126353Smlaier 3465126353Smlaiernataction : no NAT natpass { 3466171172Smlaier if ($1 && $3.b1) { 3467171172Smlaier yyerror("\"pass\" not valid with \"no\""); 3468171172Smlaier YYERROR; 3469171172Smlaier } 3470126353Smlaier if ($1) 3471126353Smlaier $$.b1 = PF_NONAT; 3472126353Smlaier else 3473126353Smlaier $$.b1 = PF_NAT; 3474171172Smlaier $$.b2 = $3.b1; 3475171172Smlaier $$.w = $3.b2; 3476171172Smlaier $$.w2 = $3.w2; 3477126353Smlaier } 3478126353Smlaier | no RDR natpass { 3479171172Smlaier if ($1 && $3.b1) { 3480171172Smlaier yyerror("\"pass\" not valid with \"no\""); 3481171172Smlaier YYERROR; 3482171172Smlaier } 3483126353Smlaier if ($1) 3484126353Smlaier $$.b1 = PF_NORDR; 3485126353Smlaier else 3486126353Smlaier $$.b1 = PF_RDR; 3487171172Smlaier $$.b2 = $3.b1; 3488171172Smlaier $$.w = $3.b2; 3489171172Smlaier $$.w2 = $3.w2; 3490126353Smlaier } 3491126353Smlaier ; 3492126353Smlaier 3493171172Smlaiernatrule : nataction interface af proto fromto tag tagged rtable 3494171172Smlaier redirpool pool_opts 3495126353Smlaier { 3496126353Smlaier struct pf_rule r; 3497126353Smlaier 3498126353Smlaier if (check_rulestate(PFCTL_STATE_NAT)) 3499126353Smlaier YYERROR; 3500126353Smlaier 3501126353Smlaier memset(&r, 0, sizeof(r)); 3502126353Smlaier 3503126353Smlaier r.action = $1.b1; 3504126353Smlaier r.natpass = $1.b2; 3505171172Smlaier r.log = $1.w; 3506171172Smlaier r.logif = $1.w2; 3507126353Smlaier r.af = $3; 3508126353Smlaier 3509126353Smlaier if (!r.af) { 3510126353Smlaier if ($5.src.host && $5.src.host->af && 3511126353Smlaier !$5.src.host->ifindex) 3512126353Smlaier r.af = $5.src.host->af; 3513126353Smlaier else if ($5.dst.host && $5.dst.host->af && 3514126353Smlaier !$5.dst.host->ifindex) 3515126353Smlaier r.af = $5.dst.host->af; 3516126353Smlaier } 3517126353Smlaier 3518126353Smlaier if ($6 != NULL) 3519130617Smlaier if (strlcpy(r.tagname, $6, PF_TAG_NAME_SIZE) >= 3520126353Smlaier PF_TAG_NAME_SIZE) { 3521126353Smlaier yyerror("tag too long, max %u chars", 3522126353Smlaier PF_TAG_NAME_SIZE - 1); 3523126353Smlaier YYERROR; 3524126353Smlaier } 3525126353Smlaier 3526145840Smlaier if ($7.name) 3527145840Smlaier if (strlcpy(r.match_tagname, $7.name, 3528145840Smlaier PF_TAG_NAME_SIZE) >= PF_TAG_NAME_SIZE) { 3529145840Smlaier yyerror("tag too long, max %u chars", 3530145840Smlaier PF_TAG_NAME_SIZE - 1); 3531145840Smlaier YYERROR; 3532145840Smlaier } 3533145840Smlaier r.match_tag_not = $7.neg; 3534171172Smlaier r.rtableid = $8; 3535145840Smlaier 3536126353Smlaier if (r.action == PF_NONAT || r.action == PF_NORDR) { 3537171172Smlaier if ($9 != NULL) { 3538126353Smlaier yyerror("translation rule with 'no' " 3539126353Smlaier "does not need '->'"); 3540126353Smlaier YYERROR; 3541126353Smlaier } 3542126353Smlaier } else { 3543171172Smlaier if ($9 == NULL || $9->host == NULL) { 3544126353Smlaier yyerror("translation rule requires '-> " 3545126353Smlaier "address'"); 3546126353Smlaier YYERROR; 3547126353Smlaier } 3548171172Smlaier if (!r.af && ! $9->host->ifindex) 3549171172Smlaier r.af = $9->host->af; 3550126353Smlaier 3551171172Smlaier remove_invalid_hosts(&$9->host, &r.af); 3552171172Smlaier if (invalid_redirect($9->host, r.af)) 3553126353Smlaier YYERROR; 3554171172Smlaier if (check_netmask($9->host, r.af)) 3555126353Smlaier YYERROR; 3556126353Smlaier 3557171172Smlaier r.rpool.proxy_port[0] = ntohs($9->rport.a); 3558126353Smlaier 3559126353Smlaier switch (r.action) { 3560126353Smlaier case PF_RDR: 3561171172Smlaier if (!$9->rport.b && $9->rport.t && 3562126353Smlaier $5.dst.port != NULL) { 3563126353Smlaier r.rpool.proxy_port[1] = 3564171172Smlaier ntohs($9->rport.a) + 3565130617Smlaier (ntohs( 3566130617Smlaier $5.dst.port->port[1]) - 3567130617Smlaier ntohs( 3568130617Smlaier $5.dst.port->port[0])); 3569126353Smlaier } else 3570126353Smlaier r.rpool.proxy_port[1] = 3571171172Smlaier ntohs($9->rport.b); 3572126353Smlaier break; 3573126353Smlaier case PF_NAT: 3574130617Smlaier r.rpool.proxy_port[1] = 3575171172Smlaier ntohs($9->rport.b); 3576126353Smlaier if (!r.rpool.proxy_port[0] && 3577126353Smlaier !r.rpool.proxy_port[1]) { 3578126353Smlaier r.rpool.proxy_port[0] = 3579126353Smlaier PF_NAT_PROXY_PORT_LOW; 3580126353Smlaier r.rpool.proxy_port[1] = 3581126353Smlaier PF_NAT_PROXY_PORT_HIGH; 3582126353Smlaier } else if (!r.rpool.proxy_port[1]) 3583126353Smlaier r.rpool.proxy_port[1] = 3584126353Smlaier r.rpool.proxy_port[0]; 3585126353Smlaier break; 3586126353Smlaier default: 3587126353Smlaier break; 3588126353Smlaier } 3589126353Smlaier 3590171172Smlaier r.rpool.opts = $10.type; 3591130617Smlaier if ((r.rpool.opts & PF_POOL_TYPEMASK) == 3592171172Smlaier PF_POOL_NONE && ($9->host->next != NULL || 3593171172Smlaier $9->host->addr.type == PF_ADDR_TABLE || 3594171172Smlaier DYNIF_MULTIADDR($9->host->addr))) 3595126353Smlaier r.rpool.opts = PF_POOL_ROUNDROBIN; 3596130617Smlaier if ((r.rpool.opts & PF_POOL_TYPEMASK) != 3597130617Smlaier PF_POOL_ROUNDROBIN && 3598171172Smlaier disallow_table($9->host, "tables are only " 3599130617Smlaier "supported in round-robin redirection " 3600130617Smlaier "pools")) 3601130617Smlaier YYERROR; 3602130617Smlaier if ((r.rpool.opts & PF_POOL_TYPEMASK) != 3603130617Smlaier PF_POOL_ROUNDROBIN && 3604171172Smlaier disallow_alias($9->host, "interface (%s) " 3605130617Smlaier "is only supported in round-robin " 3606130617Smlaier "redirection pools")) 3607130617Smlaier YYERROR; 3608171172Smlaier if ($9->host->next != NULL) { 3609130617Smlaier if ((r.rpool.opts & PF_POOL_TYPEMASK) != 3610126353Smlaier PF_POOL_ROUNDROBIN) { 3611126353Smlaier yyerror("only round-robin " 3612126353Smlaier "valid for multiple " 3613126353Smlaier "redirection addresses"); 3614126353Smlaier YYERROR; 3615126353Smlaier } 3616126353Smlaier } 3617126353Smlaier } 3618126353Smlaier 3619171172Smlaier if ($10.key != NULL) 3620171172Smlaier memcpy(&r.rpool.key, $10.key, 3621126353Smlaier sizeof(struct pf_poolhashkey)); 3622126353Smlaier 3623171172Smlaier if ($10.opts) 3624171172Smlaier r.rpool.opts |= $10.opts; 3625130617Smlaier 3626171172Smlaier if ($10.staticport) { 3627126353Smlaier if (r.action != PF_NAT) { 3628126353Smlaier yyerror("the 'static-port' option is " 3629126353Smlaier "only valid with nat rules"); 3630126353Smlaier YYERROR; 3631126353Smlaier } 3632126353Smlaier if (r.rpool.proxy_port[0] != 3633126353Smlaier PF_NAT_PROXY_PORT_LOW && 3634126353Smlaier r.rpool.proxy_port[1] != 3635126353Smlaier PF_NAT_PROXY_PORT_HIGH) { 3636126353Smlaier yyerror("the 'static-port' option can't" 3637126353Smlaier " be used when specifying a port" 3638126353Smlaier " range"); 3639126353Smlaier YYERROR; 3640126353Smlaier } 3641126353Smlaier r.rpool.proxy_port[0] = 0; 3642126353Smlaier r.rpool.proxy_port[1] = 0; 3643126353Smlaier } 3644126353Smlaier 3645171172Smlaier expand_rule(&r, $2, $9 == NULL ? NULL : $9->host, $4, 3646126353Smlaier $5.src_os, $5.src.host, $5.src.port, $5.dst.host, 3647145840Smlaier $5.dst.port, 0, 0, 0, ""); 3648171172Smlaier free($9); 3649126353Smlaier } 3650126353Smlaier ; 3651126353Smlaier 3652171172Smlaierbinatrule : no BINAT natpass interface af proto FROM host TO ipspec tag 3653171172Smlaier tagged rtable redirection 3654126353Smlaier { 3655126353Smlaier struct pf_rule binat; 3656126353Smlaier struct pf_pooladdr *pa; 3657126353Smlaier 3658126353Smlaier if (check_rulestate(PFCTL_STATE_NAT)) 3659126353Smlaier YYERROR; 3660171172Smlaier if (disallow_urpf_failed($10, "\"urpf-failed\" is not " 3661171172Smlaier "permitted as a binat destination")) 3662171172Smlaier YYERROR; 3663126353Smlaier 3664126353Smlaier memset(&binat, 0, sizeof(binat)); 3665126353Smlaier 3666171172Smlaier if ($1 && $3.b1) { 3667171172Smlaier yyerror("\"pass\" not valid with \"no\""); 3668171172Smlaier YYERROR; 3669171172Smlaier } 3670126353Smlaier if ($1) 3671126353Smlaier binat.action = PF_NOBINAT; 3672126353Smlaier else 3673126353Smlaier binat.action = PF_BINAT; 3674171172Smlaier binat.natpass = $3.b1; 3675171172Smlaier binat.log = $3.b2; 3676171172Smlaier binat.logif = $3.w2; 3677126353Smlaier binat.af = $5; 3678126353Smlaier if (!binat.af && $8 != NULL && $8->af) 3679126353Smlaier binat.af = $8->af; 3680126353Smlaier if (!binat.af && $10 != NULL && $10->af) 3681126353Smlaier binat.af = $10->af; 3682145840Smlaier 3683171172Smlaier if (!binat.af && $14 != NULL && $14->host) 3684171172Smlaier binat.af = $14->host->af; 3685126353Smlaier if (!binat.af) { 3686126353Smlaier yyerror("address family (inet/inet6) " 3687126353Smlaier "undefined"); 3688126353Smlaier YYERROR; 3689126353Smlaier } 3690126353Smlaier 3691126353Smlaier if ($4 != NULL) { 3692126353Smlaier memcpy(binat.ifname, $4->ifname, 3693126353Smlaier sizeof(binat.ifname)); 3694130617Smlaier binat.ifnot = $4->not; 3695126353Smlaier free($4); 3696126353Smlaier } 3697145840Smlaier 3698126353Smlaier if ($11 != NULL) 3699126353Smlaier if (strlcpy(binat.tagname, $11, 3700130617Smlaier PF_TAG_NAME_SIZE) >= PF_TAG_NAME_SIZE) { 3701126353Smlaier yyerror("tag too long, max %u chars", 3702126353Smlaier PF_TAG_NAME_SIZE - 1); 3703126353Smlaier YYERROR; 3704126353Smlaier } 3705145840Smlaier if ($12.name) 3706145840Smlaier if (strlcpy(binat.match_tagname, $12.name, 3707145840Smlaier PF_TAG_NAME_SIZE) >= PF_TAG_NAME_SIZE) { 3708145840Smlaier yyerror("tag too long, max %u chars", 3709145840Smlaier PF_TAG_NAME_SIZE - 1); 3710145840Smlaier YYERROR; 3711145840Smlaier } 3712145840Smlaier binat.match_tag_not = $12.neg; 3713171172Smlaier binat.rtableid = $13; 3714126353Smlaier 3715126353Smlaier if ($6 != NULL) { 3716126353Smlaier binat.proto = $6->proto; 3717126353Smlaier free($6); 3718126353Smlaier } 3719126353Smlaier 3720126353Smlaier if ($8 != NULL && disallow_table($8, "invalid use of " 3721126353Smlaier "table <%s> as the source address of a binat rule")) 3722126353Smlaier YYERROR; 3723130617Smlaier if ($8 != NULL && disallow_alias($8, "invalid use of " 3724130617Smlaier "interface (%s) as the source address of a binat " 3725130617Smlaier "rule")) 3726130617Smlaier YYERROR; 3727171172Smlaier if ($14 != NULL && $14->host != NULL && disallow_table( 3728171172Smlaier $14->host, "invalid use of table <%s> as the " 3729126353Smlaier "redirect address of a binat rule")) 3730126353Smlaier YYERROR; 3731171172Smlaier if ($14 != NULL && $14->host != NULL && disallow_alias( 3732171172Smlaier $14->host, "invalid use of interface (%s) as the " 3733130617Smlaier "redirect address of a binat rule")) 3734130617Smlaier YYERROR; 3735126353Smlaier 3736126353Smlaier if ($8 != NULL) { 3737126353Smlaier if ($8->next) { 3738126353Smlaier yyerror("multiple binat ip addresses"); 3739126353Smlaier YYERROR; 3740126353Smlaier } 3741126353Smlaier if ($8->addr.type == PF_ADDR_DYNIFTL) 3742126353Smlaier $8->af = binat.af; 3743126353Smlaier if ($8->af != binat.af) { 3744126353Smlaier yyerror("binat ip versions must match"); 3745126353Smlaier YYERROR; 3746126353Smlaier } 3747126353Smlaier if (check_netmask($8, binat.af)) 3748126353Smlaier YYERROR; 3749126353Smlaier memcpy(&binat.src.addr, &$8->addr, 3750126353Smlaier sizeof(binat.src.addr)); 3751126353Smlaier free($8); 3752126353Smlaier } 3753126353Smlaier if ($10 != NULL) { 3754126353Smlaier if ($10->next) { 3755126353Smlaier yyerror("multiple binat ip addresses"); 3756126353Smlaier YYERROR; 3757126353Smlaier } 3758126353Smlaier if ($10->af != binat.af && $10->af) { 3759126353Smlaier yyerror("binat ip versions must match"); 3760126353Smlaier YYERROR; 3761126353Smlaier } 3762126353Smlaier if (check_netmask($10, binat.af)) 3763126353Smlaier YYERROR; 3764126353Smlaier memcpy(&binat.dst.addr, &$10->addr, 3765126353Smlaier sizeof(binat.dst.addr)); 3766145840Smlaier binat.dst.neg = $10->not; 3767126353Smlaier free($10); 3768126353Smlaier } 3769126353Smlaier 3770126353Smlaier if (binat.action == PF_NOBINAT) { 3771171172Smlaier if ($14 != NULL) { 3772126353Smlaier yyerror("'no binat' rule does not need" 3773126353Smlaier " '->'"); 3774126353Smlaier YYERROR; 3775126353Smlaier } 3776126353Smlaier } else { 3777171172Smlaier if ($14 == NULL || $14->host == NULL) { 3778126353Smlaier yyerror("'binat' rule requires" 3779126353Smlaier " '-> address'"); 3780126353Smlaier YYERROR; 3781126353Smlaier } 3782126353Smlaier 3783171172Smlaier remove_invalid_hosts(&$14->host, &binat.af); 3784171172Smlaier if (invalid_redirect($14->host, binat.af)) 3785126353Smlaier YYERROR; 3786171172Smlaier if ($14->host->next != NULL) { 3787126353Smlaier yyerror("binat rule must redirect to " 3788126353Smlaier "a single address"); 3789126353Smlaier YYERROR; 3790126353Smlaier } 3791171172Smlaier if (check_netmask($14->host, binat.af)) 3792126353Smlaier YYERROR; 3793126353Smlaier 3794126353Smlaier if (!PF_AZERO(&binat.src.addr.v.a.mask, 3795126353Smlaier binat.af) && 3796126353Smlaier !PF_AEQ(&binat.src.addr.v.a.mask, 3797171172Smlaier &$14->host->addr.v.a.mask, binat.af)) { 3798126353Smlaier yyerror("'binat' source mask and " 3799126353Smlaier "redirect mask must be the same"); 3800126353Smlaier YYERROR; 3801126353Smlaier } 3802126353Smlaier 3803126353Smlaier TAILQ_INIT(&binat.rpool.list); 3804126353Smlaier pa = calloc(1, sizeof(struct pf_pooladdr)); 3805126353Smlaier if (pa == NULL) 3806126353Smlaier err(1, "binat: calloc"); 3807171172Smlaier pa->addr = $14->host->addr; 3808126353Smlaier pa->ifname[0] = 0; 3809126353Smlaier TAILQ_INSERT_TAIL(&binat.rpool.list, 3810126353Smlaier pa, entries); 3811126353Smlaier 3812171172Smlaier free($14); 3813126353Smlaier } 3814126353Smlaier 3815145840Smlaier pfctl_add_rule(pf, &binat, ""); 3816126353Smlaier } 3817126353Smlaier ; 3818126353Smlaier 3819126353Smlaiertag : /* empty */ { $$ = NULL; } 3820126353Smlaier | TAG STRING { $$ = $2; } 3821130617Smlaier ; 3822126353Smlaier 3823145840Smlaiertagged : /* empty */ { $$.neg = 0; $$.name = NULL; } 3824145840Smlaier | not TAGGED string { $$.neg = $1; $$.name = $3; } 3825145840Smlaier ; 3826145840Smlaier 3827171172Smlaierrtable : /* empty */ { $$ = -1; } 3828171172Smlaier | RTABLE number { 3829171172Smlaier#ifdef __FreeBSD__ 3830171172Smlaier yyerror("rtable id not supported in FreeBSD, yet"); 3831171172Smlaier YYERROR; 3832171172Smlaier#else 3833171172Smlaier if ($2 > RT_TABLEID_MAX || $2 < 0) { 3834171172Smlaier yyerror("invalid rtable id"); 3835171172Smlaier YYERROR; 3836171172Smlaier } 3837171172Smlaier $$ = $2; 3838171172Smlaier#endif 3839171172Smlaier } 3840171172Smlaier ; 3841171172Smlaier 3842126353Smlaierroute_host : STRING { 3843126353Smlaier $$ = calloc(1, sizeof(struct node_host)); 3844126353Smlaier if ($$ == NULL) 3845126353Smlaier err(1, "route_host: calloc"); 3846130617Smlaier $$->ifname = $1; 3847126353Smlaier set_ipmask($$, 128); 3848126353Smlaier $$->next = NULL; 3849126353Smlaier $$->tail = $$; 3850126353Smlaier } 3851126353Smlaier | '(' STRING host ')' { 3852126353Smlaier $$ = $3; 3853130617Smlaier $$->ifname = $2; 3854126353Smlaier } 3855126353Smlaier ; 3856126353Smlaier 3857126353Smlaierroute_host_list : route_host { $$ = $1; } 3858126353Smlaier | route_host_list comma route_host { 3859126353Smlaier if ($1->af == 0) 3860126353Smlaier $1->af = $3->af; 3861126353Smlaier if ($1->af != $3->af) { 3862126353Smlaier yyerror("all pool addresses must be in the " 3863126353Smlaier "same address family"); 3864126353Smlaier YYERROR; 3865126353Smlaier } 3866126353Smlaier $1->tail->next = $3; 3867126353Smlaier $1->tail = $3->tail; 3868126353Smlaier $$ = $1; 3869126353Smlaier } 3870126353Smlaier ; 3871126353Smlaier 3872126353Smlaierroutespec : route_host { $$ = $1; } 3873126353Smlaier | '{' route_host_list '}' { $$ = $2; } 3874126353Smlaier ; 3875126353Smlaier 3876126353Smlaierroute : /* empty */ { 3877126353Smlaier $$.host = NULL; 3878126353Smlaier $$.rt = 0; 3879126353Smlaier $$.pool_opts = 0; 3880126353Smlaier } 3881126353Smlaier | FASTROUTE { 3882126353Smlaier $$.host = NULL; 3883126353Smlaier $$.rt = PF_FASTROUTE; 3884126353Smlaier $$.pool_opts = 0; 3885126353Smlaier } 3886130617Smlaier | ROUTETO routespec pool_opts { 3887126353Smlaier $$.host = $2; 3888126353Smlaier $$.rt = PF_ROUTETO; 3889130617Smlaier $$.pool_opts = $3.type | $3.opts; 3890126353Smlaier if ($3.key != NULL) 3891126353Smlaier $$.key = $3.key; 3892126353Smlaier } 3893130617Smlaier | REPLYTO routespec pool_opts { 3894126353Smlaier $$.host = $2; 3895126353Smlaier $$.rt = PF_REPLYTO; 3896130617Smlaier $$.pool_opts = $3.type | $3.opts; 3897126353Smlaier if ($3.key != NULL) 3898126353Smlaier $$.key = $3.key; 3899126353Smlaier } 3900130617Smlaier | DUPTO routespec pool_opts { 3901126353Smlaier $$.host = $2; 3902126353Smlaier $$.rt = PF_DUPTO; 3903130617Smlaier $$.pool_opts = $3.type | $3.opts; 3904126353Smlaier if ($3.key != NULL) 3905126353Smlaier $$.key = $3.key; 3906126353Smlaier } 3907126353Smlaier ; 3908126353Smlaier 3909126353Smlaiertimeout_spec : STRING number 3910126353Smlaier { 3911130617Smlaier if (check_rulestate(PFCTL_STATE_OPTION)) { 3912130617Smlaier free($1); 3913126353Smlaier YYERROR; 3914130617Smlaier } 3915126353Smlaier if (pfctl_set_timeout(pf, $1, $2, 0) != 0) { 3916126353Smlaier yyerror("unknown timeout %s", $1); 3917130617Smlaier free($1); 3918126353Smlaier YYERROR; 3919126353Smlaier } 3920130617Smlaier free($1); 3921126353Smlaier } 3922126353Smlaier ; 3923126353Smlaier 3924126353Smlaiertimeout_list : timeout_list comma timeout_spec 3925126353Smlaier | timeout_spec 3926126353Smlaier ; 3927126353Smlaier 3928126353Smlaierlimit_spec : STRING number 3929126353Smlaier { 3930130617Smlaier if (check_rulestate(PFCTL_STATE_OPTION)) { 3931130617Smlaier free($1); 3932126353Smlaier YYERROR; 3933130617Smlaier } 3934126353Smlaier if (pfctl_set_limit(pf, $1, $2) != 0) { 3935126353Smlaier yyerror("unable to set limit %s %u", $1, $2); 3936130617Smlaier free($1); 3937126353Smlaier YYERROR; 3938126353Smlaier } 3939130617Smlaier free($1); 3940126353Smlaier } 3941130617Smlaier ; 3942126353Smlaier 3943126353Smlaierlimit_list : limit_list comma limit_spec 3944126353Smlaier | limit_spec 3945126353Smlaier ; 3946126353Smlaier 3947126353Smlaiercomma : ',' 3948126353Smlaier | /* empty */ 3949126353Smlaier ; 3950126353Smlaier 3951126353Smlaieryesno : NO { $$ = 0; } 3952126353Smlaier | STRING { 3953126353Smlaier if (!strcmp($1, "yes")) 3954126353Smlaier $$ = 1; 3955130617Smlaier else { 3956145840Smlaier yyerror("invalid value '%s', expected 'yes' " 3957145840Smlaier "or 'no'", $1); 3958130617Smlaier free($1); 3959126353Smlaier YYERROR; 3960130617Smlaier } 3961130617Smlaier free($1); 3962126353Smlaier } 3963130617Smlaier ; 3964126353Smlaier 3965126353Smlaierunaryop : '=' { $$ = PF_OP_EQ; } 3966126353Smlaier | '!' '=' { $$ = PF_OP_NE; } 3967126353Smlaier | '<' '=' { $$ = PF_OP_LE; } 3968126353Smlaier | '<' { $$ = PF_OP_LT; } 3969126353Smlaier | '>' '=' { $$ = PF_OP_GE; } 3970126353Smlaier | '>' { $$ = PF_OP_GT; } 3971126353Smlaier ; 3972126353Smlaier 3973126353Smlaier%% 3974126353Smlaier 3975126353Smlaierint 3976126353Smlaieryyerror(const char *fmt, ...) 3977126353Smlaier{ 3978126353Smlaier va_list ap; 3979126353Smlaier extern char *infile; 3980126353Smlaier 3981126353Smlaier errors = 1; 3982126353Smlaier va_start(ap, fmt); 3983126353Smlaier fprintf(stderr, "%s:%d: ", infile, yylval.lineno); 3984126353Smlaier vfprintf(stderr, fmt, ap); 3985126353Smlaier fprintf(stderr, "\n"); 3986126353Smlaier va_end(ap); 3987126353Smlaier return (0); 3988126353Smlaier} 3989126353Smlaier 3990126353Smlaierint 3991126353Smlaierdisallow_table(struct node_host *h, const char *fmt) 3992126353Smlaier{ 3993126353Smlaier for (; h != NULL; h = h->next) 3994126353Smlaier if (h->addr.type == PF_ADDR_TABLE) { 3995126353Smlaier yyerror(fmt, h->addr.v.tblname); 3996126353Smlaier return (1); 3997126353Smlaier } 3998126353Smlaier return (0); 3999126353Smlaier} 4000126353Smlaier 4001126353Smlaierint 4002171172Smlaierdisallow_urpf_failed(struct node_host *h, const char *fmt) 4003171172Smlaier{ 4004171172Smlaier for (; h != NULL; h = h->next) 4005171172Smlaier if (h->addr.type == PF_ADDR_URPFFAILED) { 4006171172Smlaier yyerror(fmt); 4007171172Smlaier return (1); 4008171172Smlaier } 4009171172Smlaier return (0); 4010171172Smlaier} 4011171172Smlaier 4012171172Smlaierint 4013130617Smlaierdisallow_alias(struct node_host *h, const char *fmt) 4014130617Smlaier{ 4015130617Smlaier for (; h != NULL; h = h->next) 4016130617Smlaier if (DYNIF_MULTIADDR(h->addr)) { 4017130617Smlaier yyerror(fmt, h->addr.v.tblname); 4018130617Smlaier return (1); 4019130617Smlaier } 4020130617Smlaier return (0); 4021130617Smlaier} 4022130617Smlaier 4023130617Smlaierint 4024171172Smlaierrule_consistent(struct pf_rule *r, int anchor_call) 4025126353Smlaier{ 4026126353Smlaier int problems = 0; 4027126353Smlaier 4028126353Smlaier switch (r->action) { 4029126353Smlaier case PF_PASS: 4030126353Smlaier case PF_DROP: 4031126353Smlaier case PF_SCRUB: 4032145840Smlaier case PF_NOSCRUB: 4033171172Smlaier problems = filter_consistent(r, anchor_call); 4034126353Smlaier break; 4035126353Smlaier case PF_NAT: 4036126353Smlaier case PF_NONAT: 4037126353Smlaier problems = nat_consistent(r); 4038126353Smlaier break; 4039126353Smlaier case PF_RDR: 4040126353Smlaier case PF_NORDR: 4041126353Smlaier problems = rdr_consistent(r); 4042126353Smlaier break; 4043126353Smlaier case PF_BINAT: 4044126353Smlaier case PF_NOBINAT: 4045126353Smlaier default: 4046126353Smlaier break; 4047126353Smlaier } 4048126353Smlaier return (problems); 4049126353Smlaier} 4050126353Smlaier 4051126353Smlaierint 4052171172Smlaierfilter_consistent(struct pf_rule *r, int anchor_call) 4053126353Smlaier{ 4054126353Smlaier int problems = 0; 4055126353Smlaier 4056126353Smlaier if (r->proto != IPPROTO_TCP && r->proto != IPPROTO_UDP && 4057126353Smlaier (r->src.port_op || r->dst.port_op)) { 4058126353Smlaier yyerror("port only applies to tcp/udp"); 4059126353Smlaier problems++; 4060126353Smlaier } 4061126353Smlaier if (r->proto != IPPROTO_ICMP && r->proto != IPPROTO_ICMPV6 && 4062126353Smlaier (r->type || r->code)) { 4063126353Smlaier yyerror("icmp-type/code only applies to icmp"); 4064126353Smlaier problems++; 4065126353Smlaier } 4066126353Smlaier if (!r->af && (r->type || r->code)) { 4067126353Smlaier yyerror("must indicate address family with icmp-type/code"); 4068126353Smlaier problems++; 4069126353Smlaier } 4070145840Smlaier if (r->overload_tblname[0] && 4071145840Smlaier r->max_src_conn == 0 && r->max_src_conn_rate.seconds == 0) { 4072145840Smlaier yyerror("'overload' requires 'max-src-conn' " 4073145840Smlaier "or 'max-src-conn-rate'"); 4074145840Smlaier problems++; 4075145840Smlaier } 4076126353Smlaier if ((r->proto == IPPROTO_ICMP && r->af == AF_INET6) || 4077126353Smlaier (r->proto == IPPROTO_ICMPV6 && r->af == AF_INET)) { 4078126353Smlaier yyerror("proto %s doesn't match address family %s", 4079126353Smlaier r->proto == IPPROTO_ICMP ? "icmp" : "icmp6", 4080126353Smlaier r->af == AF_INET ? "inet" : "inet6"); 4081126353Smlaier problems++; 4082126353Smlaier } 4083126353Smlaier if (r->allow_opts && r->action != PF_PASS) { 4084126353Smlaier yyerror("allow-opts can only be specified for pass rules"); 4085126353Smlaier problems++; 4086126353Smlaier } 4087126353Smlaier if (r->rule_flag & PFRULE_FRAGMENT && (r->src.port_op || 4088126353Smlaier r->dst.port_op || r->flagset || r->type || r->code)) { 4089126353Smlaier yyerror("fragments can be filtered only on IP header fields"); 4090126353Smlaier problems++; 4091126353Smlaier } 4092126353Smlaier if (r->rule_flag & PFRULE_RETURNRST && r->proto != IPPROTO_TCP) { 4093126353Smlaier yyerror("return-rst can only be applied to TCP rules"); 4094126353Smlaier problems++; 4095126353Smlaier } 4096130617Smlaier if (r->max_src_nodes && !(r->rule_flag & PFRULE_RULESRCTRACK)) { 4097130617Smlaier yyerror("max-src-nodes requires 'source-track rule'"); 4098130617Smlaier problems++; 4099130617Smlaier } 4100126353Smlaier if (r->action == PF_DROP && r->keep_state) { 4101126353Smlaier yyerror("keep state on block rules doesn't make sense"); 4102126353Smlaier problems++; 4103126353Smlaier } 4104126353Smlaier return (-problems); 4105126353Smlaier} 4106126353Smlaier 4107126353Smlaierint 4108126353Smlaiernat_consistent(struct pf_rule *r) 4109126353Smlaier{ 4110130617Smlaier return (0); /* yeah! */ 4111126353Smlaier} 4112126353Smlaier 4113126353Smlaierint 4114126353Smlaierrdr_consistent(struct pf_rule *r) 4115126353Smlaier{ 4116126353Smlaier int problems = 0; 4117126353Smlaier 4118126353Smlaier if (r->proto != IPPROTO_TCP && r->proto != IPPROTO_UDP) { 4119126353Smlaier if (r->src.port_op) { 4120126353Smlaier yyerror("src port only applies to tcp/udp"); 4121126353Smlaier problems++; 4122126353Smlaier } 4123126353Smlaier if (r->dst.port_op) { 4124126353Smlaier yyerror("dst port only applies to tcp/udp"); 4125126353Smlaier problems++; 4126126353Smlaier } 4127126353Smlaier if (r->rpool.proxy_port[0]) { 4128126353Smlaier yyerror("rpool port only applies to tcp/udp"); 4129126353Smlaier problems++; 4130126353Smlaier } 4131126353Smlaier } 4132126353Smlaier if (r->dst.port_op && 4133126353Smlaier r->dst.port_op != PF_OP_EQ && r->dst.port_op != PF_OP_RRG) { 4134126353Smlaier yyerror("invalid port operator for rdr destination port"); 4135126353Smlaier problems++; 4136126353Smlaier } 4137126353Smlaier return (-problems); 4138126353Smlaier} 4139126353Smlaier 4140126353Smlaierint 4141126353Smlaierprocess_tabledef(char *name, struct table_opts *opts) 4142126353Smlaier{ 4143126353Smlaier struct pfr_buffer ab; 4144126353Smlaier struct node_tinit *ti; 4145126353Smlaier 4146126353Smlaier bzero(&ab, sizeof(ab)); 4147126353Smlaier ab.pfrb_type = PFRB_ADDRS; 4148126353Smlaier SIMPLEQ_FOREACH(ti, &opts->init_nodes, entries) { 4149126353Smlaier if (ti->file) 4150126353Smlaier if (pfr_buf_load(&ab, ti->file, 0, append_addr)) { 4151126353Smlaier if (errno) 4152126353Smlaier yyerror("cannot load \"%s\": %s", 4153126353Smlaier ti->file, strerror(errno)); 4154126353Smlaier else 4155126353Smlaier yyerror("file \"%s\" contains bad data", 4156126353Smlaier ti->file); 4157126353Smlaier goto _error; 4158126353Smlaier } 4159126353Smlaier if (ti->host) 4160126353Smlaier if (append_addr_host(&ab, ti->host, 0, 0)) { 4161126353Smlaier yyerror("cannot create address buffer: %s", 4162126353Smlaier strerror(errno)); 4163126353Smlaier goto _error; 4164126353Smlaier } 4165126353Smlaier } 4166126353Smlaier if (pf->opts & PF_OPT_VERBOSE) 4167126353Smlaier print_tabledef(name, opts->flags, opts->init_addr, 4168126353Smlaier &opts->init_nodes); 4169126353Smlaier if (!(pf->opts & PF_OPT_NOACTION) && 4170126353Smlaier pfctl_define_table(name, opts->flags, opts->init_addr, 4171171172Smlaier pf->anchor->name, &ab, pf->anchor->ruleset.tticket)) { 4172126353Smlaier yyerror("cannot define table %s: %s", name, 4173126353Smlaier pfr_strerror(errno)); 4174126353Smlaier goto _error; 4175126353Smlaier } 4176126353Smlaier pf->tdirty = 1; 4177126353Smlaier pfr_buf_clear(&ab); 4178126353Smlaier return (0); 4179126353Smlaier_error: 4180126353Smlaier pfr_buf_clear(&ab); 4181126353Smlaier return (-1); 4182126353Smlaier} 4183126353Smlaier 4184126353Smlaierstruct keywords { 4185126353Smlaier const char *k_name; 4186126353Smlaier int k_val; 4187126353Smlaier}; 4188126353Smlaier 4189126353Smlaier/* macro gore, but you should've seen the prior indentation nightmare... */ 4190126353Smlaier 4191126353Smlaier#define FREE_LIST(T,r) \ 4192126353Smlaier do { \ 4193126353Smlaier T *p, *node = r; \ 4194126353Smlaier while (node != NULL) { \ 4195126353Smlaier p = node; \ 4196126353Smlaier node = node->next; \ 4197126353Smlaier free(p); \ 4198126353Smlaier } \ 4199126353Smlaier } while (0) 4200126353Smlaier 4201126353Smlaier#define LOOP_THROUGH(T,n,r,C) \ 4202126353Smlaier do { \ 4203126353Smlaier T *n; \ 4204126353Smlaier if (r == NULL) { \ 4205126353Smlaier r = calloc(1, sizeof(T)); \ 4206126353Smlaier if (r == NULL) \ 4207126353Smlaier err(1, "LOOP: calloc"); \ 4208126353Smlaier r->next = NULL; \ 4209126353Smlaier } \ 4210126353Smlaier n = r; \ 4211126353Smlaier while (n != NULL) { \ 4212126353Smlaier do { \ 4213126353Smlaier C; \ 4214126353Smlaier } while (0); \ 4215126353Smlaier n = n->next; \ 4216126353Smlaier } \ 4217126353Smlaier } while (0) 4218126353Smlaier 4219126353Smlaiervoid 4220130617Smlaierexpand_label_str(char *label, size_t len, const char *srch, const char *repl) 4221126353Smlaier{ 4222130617Smlaier char *tmp; 4223126353Smlaier char *p, *q; 4224126353Smlaier 4225130617Smlaier if ((tmp = calloc(1, len)) == NULL) 4226130617Smlaier err(1, "expand_label_str: calloc"); 4227126353Smlaier p = q = label; 4228126353Smlaier while ((q = strstr(p, srch)) != NULL) { 4229126353Smlaier *q = '\0'; 4230130617Smlaier if ((strlcat(tmp, p, len) >= len) || 4231130617Smlaier (strlcat(tmp, repl, len) >= len)) 4232130617Smlaier errx(1, "expand_label: label too long"); 4233126353Smlaier q += strlen(srch); 4234126353Smlaier p = q; 4235126353Smlaier } 4236130617Smlaier if (strlcat(tmp, p, len) >= len) 4237130617Smlaier errx(1, "expand_label: label too long"); 4238130617Smlaier strlcpy(label, tmp, len); /* always fits */ 4239130617Smlaier free(tmp); 4240126353Smlaier} 4241126353Smlaier 4242126353Smlaiervoid 4243130617Smlaierexpand_label_if(const char *name, char *label, size_t len, const char *ifname) 4244126353Smlaier{ 4245126353Smlaier if (strstr(label, name) != NULL) { 4246126353Smlaier if (!*ifname) 4247130617Smlaier expand_label_str(label, len, name, "any"); 4248126353Smlaier else 4249130617Smlaier expand_label_str(label, len, name, ifname); 4250126353Smlaier } 4251126353Smlaier} 4252126353Smlaier 4253126353Smlaiervoid 4254130617Smlaierexpand_label_addr(const char *name, char *label, size_t len, sa_family_t af, 4255126353Smlaier struct node_host *h) 4256126353Smlaier{ 4257126353Smlaier char tmp[64], tmp_not[66]; 4258126353Smlaier 4259126353Smlaier if (strstr(label, name) != NULL) { 4260126353Smlaier switch (h->addr.type) { 4261126353Smlaier case PF_ADDR_DYNIFTL: 4262126353Smlaier snprintf(tmp, sizeof(tmp), "(%s)", h->addr.v.ifname); 4263126353Smlaier break; 4264126353Smlaier case PF_ADDR_TABLE: 4265126353Smlaier snprintf(tmp, sizeof(tmp), "<%s>", h->addr.v.tblname); 4266126353Smlaier break; 4267126353Smlaier case PF_ADDR_NOROUTE: 4268126353Smlaier snprintf(tmp, sizeof(tmp), "no-route"); 4269126353Smlaier break; 4270171172Smlaier case PF_ADDR_URPFFAILED: 4271171172Smlaier snprintf(tmp, sizeof(tmp), "urpf-failed"); 4272171172Smlaier break; 4273126353Smlaier case PF_ADDR_ADDRMASK: 4274126353Smlaier if (!af || (PF_AZERO(&h->addr.v.a.addr, af) && 4275126353Smlaier PF_AZERO(&h->addr.v.a.mask, af))) 4276126353Smlaier snprintf(tmp, sizeof(tmp), "any"); 4277126353Smlaier else { 4278126353Smlaier char a[48]; 4279126353Smlaier int bits; 4280126353Smlaier 4281126353Smlaier if (inet_ntop(af, &h->addr.v.a.addr, a, 4282126353Smlaier sizeof(a)) == NULL) 4283126353Smlaier snprintf(tmp, sizeof(tmp), "?"); 4284126353Smlaier else { 4285126353Smlaier bits = unmask(&h->addr.v.a.mask, af); 4286126353Smlaier if ((af == AF_INET && bits < 32) || 4287126353Smlaier (af == AF_INET6 && bits < 128)) 4288126353Smlaier snprintf(tmp, sizeof(tmp), 4289130617Smlaier "%s/%d", a, bits); 4290126353Smlaier else 4291126353Smlaier snprintf(tmp, sizeof(tmp), 4292126353Smlaier "%s", a); 4293126353Smlaier } 4294126353Smlaier } 4295126353Smlaier break; 4296126353Smlaier default: 4297126353Smlaier snprintf(tmp, sizeof(tmp), "?"); 4298126353Smlaier break; 4299126353Smlaier } 4300126353Smlaier 4301126353Smlaier if (h->not) { 4302126353Smlaier snprintf(tmp_not, sizeof(tmp_not), "! %s", tmp); 4303130617Smlaier expand_label_str(label, len, name, tmp_not); 4304126353Smlaier } else 4305130617Smlaier expand_label_str(label, len, name, tmp); 4306126353Smlaier } 4307126353Smlaier} 4308126353Smlaier 4309126353Smlaiervoid 4310130617Smlaierexpand_label_port(const char *name, char *label, size_t len, 4311130617Smlaier struct node_port *port) 4312126353Smlaier{ 4313126353Smlaier char a1[6], a2[6], op[13] = ""; 4314126353Smlaier 4315126353Smlaier if (strstr(label, name) != NULL) { 4316126353Smlaier snprintf(a1, sizeof(a1), "%u", ntohs(port->port[0])); 4317126353Smlaier snprintf(a2, sizeof(a2), "%u", ntohs(port->port[1])); 4318126353Smlaier if (!port->op) 4319126353Smlaier ; 4320126353Smlaier else if (port->op == PF_OP_IRG) 4321126353Smlaier snprintf(op, sizeof(op), "%s><%s", a1, a2); 4322126353Smlaier else if (port->op == PF_OP_XRG) 4323126353Smlaier snprintf(op, sizeof(op), "%s<>%s", a1, a2); 4324126353Smlaier else if (port->op == PF_OP_EQ) 4325126353Smlaier snprintf(op, sizeof(op), "%s", a1); 4326126353Smlaier else if (port->op == PF_OP_NE) 4327126353Smlaier snprintf(op, sizeof(op), "!=%s", a1); 4328126353Smlaier else if (port->op == PF_OP_LT) 4329126353Smlaier snprintf(op, sizeof(op), "<%s", a1); 4330126353Smlaier else if (port->op == PF_OP_LE) 4331126353Smlaier snprintf(op, sizeof(op), "<=%s", a1); 4332126353Smlaier else if (port->op == PF_OP_GT) 4333126353Smlaier snprintf(op, sizeof(op), ">%s", a1); 4334126353Smlaier else if (port->op == PF_OP_GE) 4335126353Smlaier snprintf(op, sizeof(op), ">=%s", a1); 4336130617Smlaier expand_label_str(label, len, name, op); 4337126353Smlaier } 4338126353Smlaier} 4339126353Smlaier 4340126353Smlaiervoid 4341130617Smlaierexpand_label_proto(const char *name, char *label, size_t len, u_int8_t proto) 4342126353Smlaier{ 4343126353Smlaier struct protoent *pe; 4344126353Smlaier char n[4]; 4345126353Smlaier 4346126353Smlaier if (strstr(label, name) != NULL) { 4347126353Smlaier pe = getprotobynumber(proto); 4348126353Smlaier if (pe != NULL) 4349130617Smlaier expand_label_str(label, len, name, pe->p_name); 4350126353Smlaier else { 4351126353Smlaier snprintf(n, sizeof(n), "%u", proto); 4352130617Smlaier expand_label_str(label, len, name, n); 4353126353Smlaier } 4354126353Smlaier } 4355126353Smlaier} 4356126353Smlaier 4357126353Smlaiervoid 4358130617Smlaierexpand_label_nr(const char *name, char *label, size_t len) 4359126353Smlaier{ 4360126353Smlaier char n[11]; 4361126353Smlaier 4362126353Smlaier if (strstr(label, name) != NULL) { 4363171172Smlaier snprintf(n, sizeof(n), "%u", pf->anchor->match); 4364130617Smlaier expand_label_str(label, len, name, n); 4365126353Smlaier } 4366126353Smlaier} 4367126353Smlaier 4368126353Smlaiervoid 4369130617Smlaierexpand_label(char *label, size_t len, const char *ifname, sa_family_t af, 4370126353Smlaier struct node_host *src_host, struct node_port *src_port, 4371126353Smlaier struct node_host *dst_host, struct node_port *dst_port, 4372126353Smlaier u_int8_t proto) 4373126353Smlaier{ 4374130617Smlaier expand_label_if("$if", label, len, ifname); 4375130617Smlaier expand_label_addr("$srcaddr", label, len, af, src_host); 4376130617Smlaier expand_label_addr("$dstaddr", label, len, af, dst_host); 4377130617Smlaier expand_label_port("$srcport", label, len, src_port); 4378130617Smlaier expand_label_port("$dstport", label, len, dst_port); 4379130617Smlaier expand_label_proto("$proto", label, len, proto); 4380130617Smlaier expand_label_nr("$nr", label, len); 4381126353Smlaier} 4382126353Smlaier 4383126353Smlaierint 4384126353Smlaierexpand_altq(struct pf_altq *a, struct node_if *interfaces, 4385126353Smlaier struct node_queue *nqueues, struct node_queue_bw bwspec, 4386126353Smlaier struct node_queue_opt *opts) 4387126353Smlaier{ 4388126353Smlaier struct pf_altq pa, pb; 4389126353Smlaier char qname[PF_QNAME_SIZE]; 4390126353Smlaier struct node_queue *n; 4391126353Smlaier struct node_queue_bw bw; 4392126353Smlaier int errs = 0; 4393126353Smlaier 4394126353Smlaier if ((pf->loadopt & PFCTL_FLAG_ALTQ) == 0) { 4395126353Smlaier FREE_LIST(struct node_if, interfaces); 4396126353Smlaier FREE_LIST(struct node_queue, nqueues); 4397126353Smlaier return (0); 4398126353Smlaier } 4399126353Smlaier 4400126353Smlaier LOOP_THROUGH(struct node_if, interface, interfaces, 4401126353Smlaier memcpy(&pa, a, sizeof(struct pf_altq)); 4402126353Smlaier if (strlcpy(pa.ifname, interface->ifname, 4403126353Smlaier sizeof(pa.ifname)) >= sizeof(pa.ifname)) 4404126353Smlaier errx(1, "expand_altq: strlcpy"); 4405126353Smlaier 4406126353Smlaier if (interface->not) { 4407126353Smlaier yyerror("altq on ! <interface> is not supported"); 4408126353Smlaier errs++; 4409126353Smlaier } else { 4410126353Smlaier if (eval_pfaltq(pf, &pa, &bwspec, opts)) 4411126353Smlaier errs++; 4412126353Smlaier else 4413126353Smlaier if (pfctl_add_altq(pf, &pa)) 4414126353Smlaier errs++; 4415126353Smlaier 4416126353Smlaier if (pf->opts & PF_OPT_VERBOSE) { 4417126353Smlaier print_altq(&pf->paltq->altq, 0, 4418126353Smlaier &bwspec, opts); 4419126353Smlaier if (nqueues && nqueues->tail) { 4420126353Smlaier printf("queue { "); 4421126353Smlaier LOOP_THROUGH(struct node_queue, queue, 4422126353Smlaier nqueues, 4423126353Smlaier printf("%s ", 4424126353Smlaier queue->queue); 4425126353Smlaier ); 4426126353Smlaier printf("}"); 4427126353Smlaier } 4428126353Smlaier printf("\n"); 4429126353Smlaier } 4430126353Smlaier 4431126353Smlaier if (pa.scheduler == ALTQT_CBQ || 4432126353Smlaier pa.scheduler == ALTQT_HFSC) { 4433126353Smlaier /* now create a root queue */ 4434126353Smlaier memset(&pb, 0, sizeof(struct pf_altq)); 4435126353Smlaier if (strlcpy(qname, "root_", sizeof(qname)) >= 4436126353Smlaier sizeof(qname)) 4437126353Smlaier errx(1, "expand_altq: strlcpy"); 4438126353Smlaier if (strlcat(qname, interface->ifname, 4439126353Smlaier sizeof(qname)) >= sizeof(qname)) 4440126353Smlaier errx(1, "expand_altq: strlcat"); 4441126353Smlaier if (strlcpy(pb.qname, qname, 4442126353Smlaier sizeof(pb.qname)) >= sizeof(pb.qname)) 4443126353Smlaier errx(1, "expand_altq: strlcpy"); 4444126353Smlaier if (strlcpy(pb.ifname, interface->ifname, 4445126353Smlaier sizeof(pb.ifname)) >= sizeof(pb.ifname)) 4446126353Smlaier errx(1, "expand_altq: strlcpy"); 4447126353Smlaier pb.qlimit = pa.qlimit; 4448126353Smlaier pb.scheduler = pa.scheduler; 4449126353Smlaier bw.bw_absolute = pa.ifbandwidth; 4450126353Smlaier bw.bw_percent = 0; 4451126353Smlaier if (eval_pfqueue(pf, &pb, &bw, opts)) 4452126353Smlaier errs++; 4453126353Smlaier else 4454126353Smlaier if (pfctl_add_altq(pf, &pb)) 4455126353Smlaier errs++; 4456126353Smlaier } 4457126353Smlaier 4458126353Smlaier LOOP_THROUGH(struct node_queue, queue, nqueues, 4459126353Smlaier n = calloc(1, sizeof(struct node_queue)); 4460126353Smlaier if (n == NULL) 4461126353Smlaier err(1, "expand_altq: calloc"); 4462126353Smlaier if (pa.scheduler == ALTQT_CBQ || 4463126353Smlaier pa.scheduler == ALTQT_HFSC) 4464126353Smlaier if (strlcpy(n->parent, qname, 4465126353Smlaier sizeof(n->parent)) >= 4466126353Smlaier sizeof(n->parent)) 4467126353Smlaier errx(1, "expand_altq: strlcpy"); 4468126353Smlaier if (strlcpy(n->queue, queue->queue, 4469126353Smlaier sizeof(n->queue)) >= sizeof(n->queue)) 4470126353Smlaier errx(1, "expand_altq: strlcpy"); 4471126353Smlaier if (strlcpy(n->ifname, interface->ifname, 4472126353Smlaier sizeof(n->ifname)) >= sizeof(n->ifname)) 4473126353Smlaier errx(1, "expand_altq: strlcpy"); 4474126353Smlaier n->scheduler = pa.scheduler; 4475126353Smlaier n->next = NULL; 4476126353Smlaier n->tail = n; 4477126353Smlaier if (queues == NULL) 4478126353Smlaier queues = n; 4479126353Smlaier else { 4480126353Smlaier queues->tail->next = n; 4481126353Smlaier queues->tail = n; 4482126353Smlaier } 4483126353Smlaier ); 4484126353Smlaier } 4485126353Smlaier ); 4486126353Smlaier FREE_LIST(struct node_if, interfaces); 4487126353Smlaier FREE_LIST(struct node_queue, nqueues); 4488126353Smlaier 4489126353Smlaier return (errs); 4490126353Smlaier} 4491126353Smlaier 4492126353Smlaierint 4493126353Smlaierexpand_queue(struct pf_altq *a, struct node_if *interfaces, 4494126353Smlaier struct node_queue *nqueues, struct node_queue_bw bwspec, 4495126353Smlaier struct node_queue_opt *opts) 4496126353Smlaier{ 4497126353Smlaier struct node_queue *n, *nq; 4498126353Smlaier struct pf_altq pa; 4499126353Smlaier u_int8_t found = 0; 4500126353Smlaier u_int8_t errs = 0; 4501126353Smlaier 4502126353Smlaier if ((pf->loadopt & PFCTL_FLAG_ALTQ) == 0) { 4503126353Smlaier FREE_LIST(struct node_queue, nqueues); 4504126353Smlaier return (0); 4505126353Smlaier } 4506126353Smlaier 4507126353Smlaier if (queues == NULL) { 4508126353Smlaier yyerror("queue %s has no parent", a->qname); 4509126353Smlaier FREE_LIST(struct node_queue, nqueues); 4510126353Smlaier return (1); 4511126353Smlaier } 4512126353Smlaier 4513126353Smlaier LOOP_THROUGH(struct node_if, interface, interfaces, 4514126353Smlaier LOOP_THROUGH(struct node_queue, tqueue, queues, 4515126353Smlaier if (!strncmp(a->qname, tqueue->queue, PF_QNAME_SIZE) && 4516126353Smlaier (interface->ifname[0] == 0 || 4517126353Smlaier (!interface->not && !strncmp(interface->ifname, 4518126353Smlaier tqueue->ifname, IFNAMSIZ)) || 4519126353Smlaier (interface->not && strncmp(interface->ifname, 4520126353Smlaier tqueue->ifname, IFNAMSIZ)))) { 4521126353Smlaier /* found ourself in queues */ 4522126353Smlaier found++; 4523126353Smlaier 4524126353Smlaier memcpy(&pa, a, sizeof(struct pf_altq)); 4525126353Smlaier 4526126353Smlaier if (pa.scheduler != ALTQT_NONE && 4527126353Smlaier pa.scheduler != tqueue->scheduler) { 4528126353Smlaier yyerror("exactly one scheduler type " 4529126353Smlaier "per interface allowed"); 4530126353Smlaier return (1); 4531126353Smlaier } 4532126353Smlaier pa.scheduler = tqueue->scheduler; 4533126353Smlaier 4534126353Smlaier /* scheduler dependent error checking */ 4535126353Smlaier switch (pa.scheduler) { 4536126353Smlaier case ALTQT_PRIQ: 4537126353Smlaier if (nqueues != NULL) { 4538126353Smlaier yyerror("priq queues cannot " 4539126353Smlaier "have child queues"); 4540126353Smlaier return (1); 4541126353Smlaier } 4542126353Smlaier if (bwspec.bw_absolute > 0 || 4543126353Smlaier bwspec.bw_percent < 100) { 4544126353Smlaier yyerror("priq doesn't take " 4545126353Smlaier "bandwidth"); 4546126353Smlaier return (1); 4547126353Smlaier } 4548126353Smlaier break; 4549126353Smlaier default: 4550126353Smlaier break; 4551126353Smlaier } 4552126353Smlaier 4553126353Smlaier if (strlcpy(pa.ifname, tqueue->ifname, 4554126353Smlaier sizeof(pa.ifname)) >= sizeof(pa.ifname)) 4555126353Smlaier errx(1, "expand_queue: strlcpy"); 4556126353Smlaier if (strlcpy(pa.parent, tqueue->parent, 4557126353Smlaier sizeof(pa.parent)) >= sizeof(pa.parent)) 4558126353Smlaier errx(1, "expand_queue: strlcpy"); 4559126353Smlaier 4560126353Smlaier if (eval_pfqueue(pf, &pa, &bwspec, opts)) 4561126353Smlaier errs++; 4562126353Smlaier else 4563126353Smlaier if (pfctl_add_altq(pf, &pa)) 4564126353Smlaier errs++; 4565126353Smlaier 4566126353Smlaier for (nq = nqueues; nq != NULL; nq = nq->next) { 4567126353Smlaier if (!strcmp(a->qname, nq->queue)) { 4568126353Smlaier yyerror("queue cannot have " 4569126353Smlaier "itself as child"); 4570126353Smlaier errs++; 4571126353Smlaier continue; 4572126353Smlaier } 4573126353Smlaier n = calloc(1, 4574126353Smlaier sizeof(struct node_queue)); 4575126353Smlaier if (n == NULL) 4576126353Smlaier err(1, "expand_queue: calloc"); 4577126353Smlaier if (strlcpy(n->parent, a->qname, 4578126353Smlaier sizeof(n->parent)) >= 4579126353Smlaier sizeof(n->parent)) 4580126353Smlaier errx(1, "expand_queue strlcpy"); 4581126353Smlaier if (strlcpy(n->queue, nq->queue, 4582126353Smlaier sizeof(n->queue)) >= 4583126353Smlaier sizeof(n->queue)) 4584126353Smlaier errx(1, "expand_queue strlcpy"); 4585126353Smlaier if (strlcpy(n->ifname, tqueue->ifname, 4586126353Smlaier sizeof(n->ifname)) >= 4587126353Smlaier sizeof(n->ifname)) 4588126353Smlaier errx(1, "expand_queue strlcpy"); 4589126353Smlaier n->scheduler = tqueue->scheduler; 4590126353Smlaier n->next = NULL; 4591126353Smlaier n->tail = n; 4592126353Smlaier if (queues == NULL) 4593126353Smlaier queues = n; 4594126353Smlaier else { 4595126353Smlaier queues->tail->next = n; 4596126353Smlaier queues->tail = n; 4597126353Smlaier } 4598126353Smlaier } 4599126353Smlaier if ((pf->opts & PF_OPT_VERBOSE) && ( 4600126353Smlaier (found == 1 && interface->ifname[0] == 0) || 4601126353Smlaier (found > 0 && interface->ifname[0] != 0))) { 4602126353Smlaier print_queue(&pf->paltq->altq, 0, 4603126353Smlaier &bwspec, interface->ifname[0] != 0, 4604126353Smlaier opts); 4605126353Smlaier if (nqueues && nqueues->tail) { 4606126353Smlaier printf("{ "); 4607126353Smlaier LOOP_THROUGH(struct node_queue, 4608126353Smlaier queue, nqueues, 4609126353Smlaier printf("%s ", 4610126353Smlaier queue->queue); 4611126353Smlaier ); 4612126353Smlaier printf("}"); 4613126353Smlaier } 4614126353Smlaier printf("\n"); 4615126353Smlaier } 4616126353Smlaier } 4617126353Smlaier ); 4618126353Smlaier ); 4619126353Smlaier 4620126353Smlaier FREE_LIST(struct node_queue, nqueues); 4621126353Smlaier FREE_LIST(struct node_if, interfaces); 4622126353Smlaier 4623126353Smlaier if (!found) { 4624126353Smlaier yyerror("queue %s has no parent", a->qname); 4625126353Smlaier errs++; 4626126353Smlaier } 4627126353Smlaier 4628126353Smlaier if (errs) 4629126353Smlaier return (1); 4630126353Smlaier else 4631126353Smlaier return (0); 4632126353Smlaier} 4633126353Smlaier 4634126353Smlaiervoid 4635126353Smlaierexpand_rule(struct pf_rule *r, 4636126353Smlaier struct node_if *interfaces, struct node_host *rpool_hosts, 4637126353Smlaier struct node_proto *protos, struct node_os *src_oses, 4638126353Smlaier struct node_host *src_hosts, struct node_port *src_ports, 4639126353Smlaier struct node_host *dst_hosts, struct node_port *dst_ports, 4640145840Smlaier struct node_uid *uids, struct node_gid *gids, struct node_icmp *icmp_types, 4641145840Smlaier const char *anchor_call) 4642126353Smlaier{ 4643126353Smlaier sa_family_t af = r->af; 4644126353Smlaier int added = 0, error = 0; 4645126353Smlaier char ifname[IF_NAMESIZE]; 4646126353Smlaier char label[PF_RULE_LABEL_SIZE]; 4647130617Smlaier char tagname[PF_TAG_NAME_SIZE]; 4648130617Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 4649126353Smlaier struct pf_pooladdr *pa; 4650126353Smlaier struct node_host *h; 4651130617Smlaier u_int8_t flags, flagset, keep_state; 4652126353Smlaier 4653126353Smlaier if (strlcpy(label, r->label, sizeof(label)) >= sizeof(label)) 4654126353Smlaier errx(1, "expand_rule: strlcpy"); 4655130617Smlaier if (strlcpy(tagname, r->tagname, sizeof(tagname)) >= sizeof(tagname)) 4656130617Smlaier errx(1, "expand_rule: strlcpy"); 4657130617Smlaier if (strlcpy(match_tagname, r->match_tagname, sizeof(match_tagname)) >= 4658130617Smlaier sizeof(match_tagname)) 4659130617Smlaier errx(1, "expand_rule: strlcpy"); 4660126353Smlaier flags = r->flags; 4661126353Smlaier flagset = r->flagset; 4662130617Smlaier keep_state = r->keep_state; 4663126353Smlaier 4664126353Smlaier LOOP_THROUGH(struct node_if, interface, interfaces, 4665126353Smlaier LOOP_THROUGH(struct node_proto, proto, protos, 4666126353Smlaier LOOP_THROUGH(struct node_icmp, icmp_type, icmp_types, 4667126353Smlaier LOOP_THROUGH(struct node_host, src_host, src_hosts, 4668126353Smlaier LOOP_THROUGH(struct node_port, src_port, src_ports, 4669126353Smlaier LOOP_THROUGH(struct node_os, src_os, src_oses, 4670126353Smlaier LOOP_THROUGH(struct node_host, dst_host, dst_hosts, 4671126353Smlaier LOOP_THROUGH(struct node_port, dst_port, dst_ports, 4672126353Smlaier LOOP_THROUGH(struct node_uid, uid, uids, 4673126353Smlaier LOOP_THROUGH(struct node_gid, gid, gids, 4674126353Smlaier 4675126353Smlaier r->af = af; 4676126353Smlaier /* for link-local IPv6 address, interface must match up */ 4677126353Smlaier if ((r->af && src_host->af && r->af != src_host->af) || 4678126353Smlaier (r->af && dst_host->af && r->af != dst_host->af) || 4679126353Smlaier (src_host->af && dst_host->af && 4680126353Smlaier src_host->af != dst_host->af) || 4681126353Smlaier (src_host->ifindex && dst_host->ifindex && 4682126353Smlaier src_host->ifindex != dst_host->ifindex) || 4683130617Smlaier (src_host->ifindex && *interface->ifname && 4684126353Smlaier src_host->ifindex != if_nametoindex(interface->ifname)) || 4685130617Smlaier (dst_host->ifindex && *interface->ifname && 4686126353Smlaier dst_host->ifindex != if_nametoindex(interface->ifname))) 4687126353Smlaier continue; 4688126353Smlaier if (!r->af && src_host->af) 4689126353Smlaier r->af = src_host->af; 4690126353Smlaier else if (!r->af && dst_host->af) 4691126353Smlaier r->af = dst_host->af; 4692126353Smlaier 4693130617Smlaier if (*interface->ifname) 4694145840Smlaier strlcpy(r->ifname, interface->ifname, 4695145840Smlaier sizeof(r->ifname)); 4696130617Smlaier else if (if_indextoname(src_host->ifindex, ifname)) 4697145840Smlaier strlcpy(r->ifname, ifname, sizeof(r->ifname)); 4698126353Smlaier else if (if_indextoname(dst_host->ifindex, ifname)) 4699145840Smlaier strlcpy(r->ifname, ifname, sizeof(r->ifname)); 4700126353Smlaier else 4701130617Smlaier memset(r->ifname, '\0', sizeof(r->ifname)); 4702126353Smlaier 4703126353Smlaier if (strlcpy(r->label, label, sizeof(r->label)) >= 4704126353Smlaier sizeof(r->label)) 4705126353Smlaier errx(1, "expand_rule: strlcpy"); 4706130617Smlaier if (strlcpy(r->tagname, tagname, sizeof(r->tagname)) >= 4707130617Smlaier sizeof(r->tagname)) 4708130617Smlaier errx(1, "expand_rule: strlcpy"); 4709130617Smlaier if (strlcpy(r->match_tagname, match_tagname, 4710130617Smlaier sizeof(r->match_tagname)) >= sizeof(r->match_tagname)) 4711130617Smlaier errx(1, "expand_rule: strlcpy"); 4712130617Smlaier expand_label(r->label, PF_RULE_LABEL_SIZE, r->ifname, r->af, 4713130617Smlaier src_host, src_port, dst_host, dst_port, proto->proto); 4714130617Smlaier expand_label(r->tagname, PF_TAG_NAME_SIZE, r->ifname, r->af, 4715130617Smlaier src_host, src_port, dst_host, dst_port, proto->proto); 4716130617Smlaier expand_label(r->match_tagname, PF_TAG_NAME_SIZE, r->ifname, 4717130617Smlaier r->af, src_host, src_port, dst_host, dst_port, 4718130617Smlaier proto->proto); 4719126353Smlaier 4720126353Smlaier error += check_netmask(src_host, r->af); 4721126353Smlaier error += check_netmask(dst_host, r->af); 4722126353Smlaier 4723126353Smlaier r->ifnot = interface->not; 4724126353Smlaier r->proto = proto->proto; 4725126353Smlaier r->src.addr = src_host->addr; 4726145840Smlaier r->src.neg = src_host->not; 4727126353Smlaier r->src.port[0] = src_port->port[0]; 4728126353Smlaier r->src.port[1] = src_port->port[1]; 4729126353Smlaier r->src.port_op = src_port->op; 4730126353Smlaier r->dst.addr = dst_host->addr; 4731145840Smlaier r->dst.neg = dst_host->not; 4732126353Smlaier r->dst.port[0] = dst_port->port[0]; 4733126353Smlaier r->dst.port[1] = dst_port->port[1]; 4734126353Smlaier r->dst.port_op = dst_port->op; 4735126353Smlaier r->uid.op = uid->op; 4736126353Smlaier r->uid.uid[0] = uid->uid[0]; 4737126353Smlaier r->uid.uid[1] = uid->uid[1]; 4738126353Smlaier r->gid.op = gid->op; 4739126353Smlaier r->gid.gid[0] = gid->gid[0]; 4740126353Smlaier r->gid.gid[1] = gid->gid[1]; 4741126353Smlaier r->type = icmp_type->type; 4742126353Smlaier r->code = icmp_type->code; 4743126353Smlaier 4744130617Smlaier if ((keep_state == PF_STATE_MODULATE || 4745130617Smlaier keep_state == PF_STATE_SYNPROXY) && 4746130617Smlaier r->proto && r->proto != IPPROTO_TCP) 4747130617Smlaier r->keep_state = PF_STATE_NORMAL; 4748130617Smlaier else 4749130617Smlaier r->keep_state = keep_state; 4750130617Smlaier 4751126353Smlaier if (r->proto && r->proto != IPPROTO_TCP) { 4752126353Smlaier r->flags = 0; 4753126353Smlaier r->flagset = 0; 4754126353Smlaier } else { 4755126353Smlaier r->flags = flags; 4756126353Smlaier r->flagset = flagset; 4757126353Smlaier } 4758126353Smlaier if (icmp_type->proto && r->proto != icmp_type->proto) { 4759126353Smlaier yyerror("icmp-type mismatch"); 4760126353Smlaier error++; 4761126353Smlaier } 4762126353Smlaier 4763126353Smlaier if (src_os && src_os->os) { 4764126353Smlaier r->os_fingerprint = pfctl_get_fingerprint(src_os->os); 4765126353Smlaier if ((pf->opts & PF_OPT_VERBOSE2) && 4766126353Smlaier r->os_fingerprint == PF_OSFP_NOMATCH) 4767126353Smlaier fprintf(stderr, 4768126353Smlaier "warning: unknown '%s' OS fingerprint\n", 4769126353Smlaier src_os->os); 4770126353Smlaier } else { 4771126353Smlaier r->os_fingerprint = PF_OSFP_ANY; 4772126353Smlaier } 4773126353Smlaier 4774126353Smlaier TAILQ_INIT(&r->rpool.list); 4775126353Smlaier for (h = rpool_hosts; h != NULL; h = h->next) { 4776126353Smlaier pa = calloc(1, sizeof(struct pf_pooladdr)); 4777126353Smlaier if (pa == NULL) 4778126353Smlaier err(1, "expand_rule: calloc"); 4779126353Smlaier pa->addr = h->addr; 4780126353Smlaier if (h->ifname != NULL) { 4781126353Smlaier if (strlcpy(pa->ifname, h->ifname, 4782126353Smlaier sizeof(pa->ifname)) >= 4783126353Smlaier sizeof(pa->ifname)) 4784126353Smlaier errx(1, "expand_rule: strlcpy"); 4785126353Smlaier } else 4786126353Smlaier pa->ifname[0] = 0; 4787126353Smlaier TAILQ_INSERT_TAIL(&r->rpool.list, pa, entries); 4788126353Smlaier } 4789126353Smlaier 4790171172Smlaier if (rule_consistent(r, anchor_call[0]) < 0 || error) 4791126353Smlaier yyerror("skipping rule due to errors"); 4792126353Smlaier else { 4793171172Smlaier r->nr = pf->astack[pf->asd]->match++; 4794145840Smlaier pfctl_add_rule(pf, r, anchor_call); 4795126353Smlaier added++; 4796126353Smlaier } 4797126353Smlaier 4798126353Smlaier )))))))))); 4799126353Smlaier 4800126353Smlaier FREE_LIST(struct node_if, interfaces); 4801126353Smlaier FREE_LIST(struct node_proto, protos); 4802126353Smlaier FREE_LIST(struct node_host, src_hosts); 4803126353Smlaier FREE_LIST(struct node_port, src_ports); 4804126353Smlaier FREE_LIST(struct node_os, src_oses); 4805126353Smlaier FREE_LIST(struct node_host, dst_hosts); 4806126353Smlaier FREE_LIST(struct node_port, dst_ports); 4807126353Smlaier FREE_LIST(struct node_uid, uids); 4808126353Smlaier FREE_LIST(struct node_gid, gids); 4809126353Smlaier FREE_LIST(struct node_icmp, icmp_types); 4810126353Smlaier FREE_LIST(struct node_host, rpool_hosts); 4811126353Smlaier 4812126353Smlaier if (!added) 4813126353Smlaier yyerror("rule expands to no valid combination"); 4814126353Smlaier} 4815126353Smlaier 4816145840Smlaierint 4817145840Smlaierexpand_skip_interface(struct node_if *interfaces) 4818145840Smlaier{ 4819145840Smlaier int errs = 0; 4820145840Smlaier 4821145840Smlaier if (!interfaces || (!interfaces->next && !interfaces->not && 4822145840Smlaier !strcmp(interfaces->ifname, "none"))) { 4823145840Smlaier if (pf->opts & PF_OPT_VERBOSE) 4824145840Smlaier printf("set skip on none\n"); 4825145840Smlaier errs = pfctl_set_interface_flags(pf, "", PFI_IFLAG_SKIP, 0); 4826145840Smlaier return (errs); 4827145840Smlaier } 4828145840Smlaier 4829145840Smlaier if (pf->opts & PF_OPT_VERBOSE) 4830145840Smlaier printf("set skip on {"); 4831145840Smlaier LOOP_THROUGH(struct node_if, interface, interfaces, 4832145840Smlaier if (pf->opts & PF_OPT_VERBOSE) 4833145840Smlaier printf(" %s", interface->ifname); 4834145840Smlaier if (interface->not) { 4835145840Smlaier yyerror("skip on ! <interface> is not supported"); 4836145840Smlaier errs++; 4837145840Smlaier } else 4838145840Smlaier errs += pfctl_set_interface_flags(pf, 4839145840Smlaier interface->ifname, PFI_IFLAG_SKIP, 1); 4840145840Smlaier ); 4841145840Smlaier if (pf->opts & PF_OPT_VERBOSE) 4842145840Smlaier printf(" }\n"); 4843145840Smlaier 4844145840Smlaier FREE_LIST(struct node_if, interfaces); 4845145840Smlaier 4846145840Smlaier if (errs) 4847145840Smlaier return (1); 4848145840Smlaier else 4849145840Smlaier return (0); 4850145840Smlaier} 4851145840Smlaier 4852126353Smlaier#undef FREE_LIST 4853126353Smlaier#undef LOOP_THROUGH 4854126353Smlaier 4855126353Smlaierint 4856126353Smlaiercheck_rulestate(int desired_state) 4857126353Smlaier{ 4858126353Smlaier if (require_order && (rulestate > desired_state)) { 4859126353Smlaier yyerror("Rules must be in order: options, normalization, " 4860126353Smlaier "queueing, translation, filtering"); 4861126353Smlaier return (1); 4862126353Smlaier } 4863126353Smlaier rulestate = desired_state; 4864126353Smlaier return (0); 4865126353Smlaier} 4866126353Smlaier 4867126353Smlaierint 4868126353Smlaierkw_cmp(const void *k, const void *e) 4869126353Smlaier{ 4870126353Smlaier return (strcmp(k, ((const struct keywords *)e)->k_name)); 4871126353Smlaier} 4872126353Smlaier 4873126353Smlaierint 4874126353Smlaierlookup(char *s) 4875126353Smlaier{ 4876126353Smlaier /* this has to be sorted always */ 4877126353Smlaier static const struct keywords keywords[] = { 4878126353Smlaier { "all", ALL}, 4879126353Smlaier { "allow-opts", ALLOWOPTS}, 4880126353Smlaier { "altq", ALTQ}, 4881126353Smlaier { "anchor", ANCHOR}, 4882126353Smlaier { "antispoof", ANTISPOOF}, 4883126353Smlaier { "any", ANY}, 4884126353Smlaier { "bandwidth", BANDWIDTH}, 4885126353Smlaier { "binat", BINAT}, 4886126353Smlaier { "binat-anchor", BINATANCHOR}, 4887126353Smlaier { "bitmask", BITMASK}, 4888126353Smlaier { "block", BLOCK}, 4889126353Smlaier { "block-policy", BLOCKPOLICY}, 4890126353Smlaier { "cbq", CBQ}, 4891126353Smlaier { "code", CODE}, 4892126353Smlaier { "crop", FRAGCROP}, 4893130617Smlaier { "debug", DEBUG}, 4894126353Smlaier { "drop", DROP}, 4895126353Smlaier { "drop-ovl", FRAGDROP}, 4896126353Smlaier { "dup-to", DUPTO}, 4897126353Smlaier { "fastroute", FASTROUTE}, 4898126353Smlaier { "file", FILENAME}, 4899126353Smlaier { "fingerprints", FINGERPRINTS}, 4900126353Smlaier { "flags", FLAGS}, 4901130617Smlaier { "floating", FLOATING}, 4902145840Smlaier { "flush", FLUSH}, 4903126353Smlaier { "for", FOR}, 4904126353Smlaier { "fragment", FRAGMENT}, 4905126353Smlaier { "from", FROM}, 4906130617Smlaier { "global", GLOBAL}, 4907126353Smlaier { "group", GROUP}, 4908126353Smlaier { "hfsc", HFSC}, 4909130617Smlaier { "hostid", HOSTID}, 4910126353Smlaier { "icmp-type", ICMPTYPE}, 4911126353Smlaier { "icmp6-type", ICMP6TYPE}, 4912130617Smlaier { "if-bound", IFBOUND}, 4913126353Smlaier { "in", IN}, 4914126353Smlaier { "inet", INET}, 4915126353Smlaier { "inet6", INET6}, 4916126353Smlaier { "keep", KEEP}, 4917126353Smlaier { "label", LABEL}, 4918126353Smlaier { "limit", LIMIT}, 4919126353Smlaier { "linkshare", LINKSHARE}, 4920126353Smlaier { "load", LOAD}, 4921126353Smlaier { "log", LOG}, 4922126353Smlaier { "loginterface", LOGINTERFACE}, 4923126353Smlaier { "max", MAXIMUM}, 4924126353Smlaier { "max-mss", MAXMSS}, 4925145840Smlaier { "max-src-conn", MAXSRCCONN}, 4926145840Smlaier { "max-src-conn-rate", MAXSRCCONNRATE}, 4927130617Smlaier { "max-src-nodes", MAXSRCNODES}, 4928130617Smlaier { "max-src-states", MAXSRCSTATES}, 4929126353Smlaier { "min-ttl", MINTTL}, 4930126353Smlaier { "modulate", MODULATE}, 4931126353Smlaier { "nat", NAT}, 4932126353Smlaier { "nat-anchor", NATANCHOR}, 4933126353Smlaier { "no", NO}, 4934126353Smlaier { "no-df", NODF}, 4935126353Smlaier { "no-route", NOROUTE}, 4936130617Smlaier { "no-sync", NOSYNC}, 4937126353Smlaier { "on", ON}, 4938126353Smlaier { "optimization", OPTIMIZATION}, 4939126353Smlaier { "os", OS}, 4940126353Smlaier { "out", OUT}, 4941145840Smlaier { "overload", OVERLOAD}, 4942126353Smlaier { "pass", PASS}, 4943126353Smlaier { "port", PORT}, 4944126353Smlaier { "priority", PRIORITY}, 4945126353Smlaier { "priq", PRIQ}, 4946145840Smlaier { "probability", PROBABILITY}, 4947126353Smlaier { "proto", PROTO}, 4948126353Smlaier { "qlimit", QLIMIT}, 4949126353Smlaier { "queue", QUEUE}, 4950126353Smlaier { "quick", QUICK}, 4951126353Smlaier { "random", RANDOM}, 4952126353Smlaier { "random-id", RANDOMID}, 4953126353Smlaier { "rdr", RDR}, 4954126353Smlaier { "rdr-anchor", RDRANCHOR}, 4955126353Smlaier { "realtime", REALTIME}, 4956126353Smlaier { "reassemble", REASSEMBLE}, 4957126353Smlaier { "reply-to", REPLYTO}, 4958126353Smlaier { "require-order", REQUIREORDER}, 4959126353Smlaier { "return", RETURN}, 4960126353Smlaier { "return-icmp", RETURNICMP}, 4961126353Smlaier { "return-icmp6", RETURNICMP6}, 4962126353Smlaier { "return-rst", RETURNRST}, 4963126353Smlaier { "round-robin", ROUNDROBIN}, 4964145840Smlaier { "route", ROUTE}, 4965126353Smlaier { "route-to", ROUTETO}, 4966171172Smlaier { "rtable", RTABLE}, 4967130617Smlaier { "rule", RULE}, 4968171172Smlaier { "ruleset-optimization", RULESET_OPTIMIZATION}, 4969126353Smlaier { "scrub", SCRUB}, 4970126353Smlaier { "set", SET}, 4971145840Smlaier { "skip", SKIP}, 4972126353Smlaier { "source-hash", SOURCEHASH}, 4973130617Smlaier { "source-track", SOURCETRACK}, 4974126353Smlaier { "state", STATE}, 4975130617Smlaier { "state-policy", STATEPOLICY}, 4976126353Smlaier { "static-port", STATICPORT}, 4977130617Smlaier { "sticky-address", STICKYADDRESS}, 4978126353Smlaier { "synproxy", SYNPROXY}, 4979126353Smlaier { "table", TABLE}, 4980126353Smlaier { "tag", TAG}, 4981126353Smlaier { "tagged", TAGGED}, 4982126353Smlaier { "tbrsize", TBRSIZE}, 4983126353Smlaier { "timeout", TIMEOUT}, 4984126353Smlaier { "to", TO}, 4985126353Smlaier { "tos", TOS}, 4986126353Smlaier { "ttl", TTL}, 4987126353Smlaier { "upperlimit", UPPERLIMIT}, 4988171172Smlaier { "urpf-failed", URPFFAILED}, 4989126353Smlaier { "user", USER}, 4990126353Smlaier }; 4991126353Smlaier const struct keywords *p; 4992126353Smlaier 4993126353Smlaier p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]), 4994126353Smlaier sizeof(keywords[0]), kw_cmp); 4995126353Smlaier 4996126353Smlaier if (p) { 4997126353Smlaier if (debug > 1) 4998126353Smlaier fprintf(stderr, "%s: %d\n", s, p->k_val); 4999126353Smlaier return (p->k_val); 5000126353Smlaier } else { 5001126353Smlaier if (debug > 1) 5002126353Smlaier fprintf(stderr, "string: %s\n", s); 5003126353Smlaier return (STRING); 5004126353Smlaier } 5005126353Smlaier} 5006126353Smlaier 5007126353Smlaier#define MAXPUSHBACK 128 5008126353Smlaier 5009126353Smlaierchar *parsebuf; 5010126353Smlaierint parseindex; 5011126353Smlaierchar pushback_buffer[MAXPUSHBACK]; 5012126353Smlaierint pushback_index = 0; 5013126353Smlaier 5014126353Smlaierint 5015126353Smlaierlgetc(FILE *f) 5016126353Smlaier{ 5017126353Smlaier int c, next; 5018126353Smlaier 5019126353Smlaier if (parsebuf) { 5020126353Smlaier /* Read character from the parsebuffer instead of input. */ 5021126353Smlaier if (parseindex >= 0) { 5022126353Smlaier c = parsebuf[parseindex++]; 5023126353Smlaier if (c != '\0') 5024126353Smlaier return (c); 5025126353Smlaier parsebuf = NULL; 5026126353Smlaier } else 5027126353Smlaier parseindex++; 5028126353Smlaier } 5029126353Smlaier 5030126353Smlaier if (pushback_index) 5031126353Smlaier return (pushback_buffer[--pushback_index]); 5032126353Smlaier 5033126353Smlaier while ((c = getc(f)) == '\\') { 5034126353Smlaier next = getc(f); 5035126353Smlaier if (next != '\n') { 5036171172Smlaier c = next; 5037126353Smlaier break; 5038126353Smlaier } 5039126353Smlaier yylval.lineno = lineno; 5040126353Smlaier lineno++; 5041126353Smlaier } 5042126353Smlaier if (c == '\t' || c == ' ') { 5043126353Smlaier /* Compress blanks to a single space. */ 5044126353Smlaier do { 5045126353Smlaier c = getc(f); 5046126353Smlaier } while (c == '\t' || c == ' '); 5047126353Smlaier ungetc(c, f); 5048126353Smlaier c = ' '; 5049126353Smlaier } 5050126353Smlaier 5051126353Smlaier return (c); 5052126353Smlaier} 5053126353Smlaier 5054126353Smlaierint 5055126353Smlaierlungetc(int c) 5056126353Smlaier{ 5057126353Smlaier if (c == EOF) 5058126353Smlaier return (EOF); 5059126353Smlaier if (parsebuf) { 5060126353Smlaier parseindex--; 5061126353Smlaier if (parseindex >= 0) 5062126353Smlaier return (c); 5063126353Smlaier } 5064126353Smlaier if (pushback_index < MAXPUSHBACK-1) 5065126353Smlaier return (pushback_buffer[pushback_index++] = c); 5066126353Smlaier else 5067126353Smlaier return (EOF); 5068126353Smlaier} 5069126353Smlaier 5070126353Smlaierint 5071126353Smlaierfindeol(void) 5072126353Smlaier{ 5073126353Smlaier int c; 5074126353Smlaier 5075126353Smlaier parsebuf = NULL; 5076126353Smlaier pushback_index = 0; 5077126353Smlaier 5078126353Smlaier /* skip to either EOF or the first real EOL */ 5079126353Smlaier while (1) { 5080126353Smlaier c = lgetc(fin); 5081126353Smlaier if (c == '\n') { 5082126353Smlaier lineno++; 5083126353Smlaier break; 5084126353Smlaier } 5085126353Smlaier if (c == EOF) 5086126353Smlaier break; 5087126353Smlaier } 5088126353Smlaier return (ERROR); 5089126353Smlaier} 5090126353Smlaier 5091126353Smlaierint 5092126353Smlaieryylex(void) 5093126353Smlaier{ 5094126353Smlaier char buf[8096]; 5095126353Smlaier char *p, *val; 5096126353Smlaier int endc, c, next; 5097126353Smlaier int token; 5098126353Smlaier 5099126353Smlaiertop: 5100126353Smlaier p = buf; 5101126353Smlaier while ((c = lgetc(fin)) == ' ') 5102126353Smlaier ; /* nothing */ 5103126353Smlaier 5104126353Smlaier yylval.lineno = lineno; 5105126353Smlaier if (c == '#') 5106126353Smlaier while ((c = lgetc(fin)) != '\n' && c != EOF) 5107126353Smlaier ; /* nothing */ 5108126353Smlaier if (c == '$' && parsebuf == NULL) { 5109126353Smlaier while (1) { 5110126353Smlaier if ((c = lgetc(fin)) == EOF) 5111126353Smlaier return (0); 5112126353Smlaier 5113126353Smlaier if (p + 1 >= buf + sizeof(buf) - 1) { 5114126353Smlaier yyerror("string too long"); 5115126353Smlaier return (findeol()); 5116126353Smlaier } 5117126353Smlaier if (isalnum(c) || c == '_') { 5118126353Smlaier *p++ = (char)c; 5119126353Smlaier continue; 5120126353Smlaier } 5121126353Smlaier *p = '\0'; 5122126353Smlaier lungetc(c); 5123126353Smlaier break; 5124126353Smlaier } 5125126353Smlaier val = symget(buf); 5126126353Smlaier if (val == NULL) { 5127126353Smlaier yyerror("macro '%s' not defined", buf); 5128126353Smlaier return (findeol()); 5129126353Smlaier } 5130126353Smlaier parsebuf = val; 5131126353Smlaier parseindex = 0; 5132126353Smlaier goto top; 5133126353Smlaier } 5134126353Smlaier 5135126353Smlaier switch (c) { 5136126353Smlaier case '\'': 5137126353Smlaier case '"': 5138126353Smlaier endc = c; 5139126353Smlaier while (1) { 5140126353Smlaier if ((c = lgetc(fin)) == EOF) 5141126353Smlaier return (0); 5142126353Smlaier if (c == endc) { 5143126353Smlaier *p = '\0'; 5144126353Smlaier break; 5145126353Smlaier } 5146126353Smlaier if (c == '\n') { 5147126353Smlaier lineno++; 5148126353Smlaier continue; 5149126353Smlaier } 5150126353Smlaier if (p + 1 >= buf + sizeof(buf) - 1) { 5151126353Smlaier yyerror("string too long"); 5152126353Smlaier return (findeol()); 5153126353Smlaier } 5154126353Smlaier *p++ = (char)c; 5155126353Smlaier } 5156126353Smlaier yylval.v.string = strdup(buf); 5157126353Smlaier if (yylval.v.string == NULL) 5158126353Smlaier err(1, "yylex: strdup"); 5159126353Smlaier return (STRING); 5160126353Smlaier case '<': 5161126353Smlaier next = lgetc(fin); 5162126353Smlaier if (next == '>') { 5163126353Smlaier yylval.v.i = PF_OP_XRG; 5164126353Smlaier return (PORTBINARY); 5165126353Smlaier } 5166126353Smlaier lungetc(next); 5167126353Smlaier break; 5168126353Smlaier case '>': 5169126353Smlaier next = lgetc(fin); 5170126353Smlaier if (next == '<') { 5171126353Smlaier yylval.v.i = PF_OP_IRG; 5172126353Smlaier return (PORTBINARY); 5173126353Smlaier } 5174126353Smlaier lungetc(next); 5175126353Smlaier break; 5176126353Smlaier case '-': 5177126353Smlaier next = lgetc(fin); 5178126353Smlaier if (next == '>') 5179126353Smlaier return (ARROW); 5180126353Smlaier lungetc(next); 5181126353Smlaier break; 5182126353Smlaier } 5183126353Smlaier 5184126353Smlaier#define allowed_in_string(x) \ 5185126353Smlaier (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \ 5186126353Smlaier x != '{' && x != '}' && x != '<' && x != '>' && \ 5187126353Smlaier x != '!' && x != '=' && x != '/' && x != '#' && \ 5188126353Smlaier x != ',')) 5189126353Smlaier 5190126353Smlaier if (isalnum(c) || c == ':' || c == '_') { 5191126353Smlaier do { 5192126353Smlaier *p++ = c; 5193126353Smlaier if ((unsigned)(p-buf) >= sizeof(buf)) { 5194126353Smlaier yyerror("string too long"); 5195126353Smlaier return (findeol()); 5196126353Smlaier } 5197126353Smlaier } while ((c = lgetc(fin)) != EOF && (allowed_in_string(c))); 5198126353Smlaier lungetc(c); 5199126353Smlaier *p = '\0'; 5200130617Smlaier if ((token = lookup(buf)) == STRING) 5201130617Smlaier if ((yylval.v.string = strdup(buf)) == NULL) 5202130617Smlaier err(1, "yylex: strdup"); 5203126353Smlaier return (token); 5204126353Smlaier } 5205126353Smlaier if (c == '\n') { 5206126353Smlaier yylval.lineno = lineno; 5207126353Smlaier lineno++; 5208126353Smlaier } 5209126353Smlaier if (c == EOF) 5210126353Smlaier return (0); 5211126353Smlaier return (c); 5212126353Smlaier} 5213126353Smlaier 5214126353Smlaierint 5215126353Smlaierparse_rules(FILE *input, struct pfctl *xpf) 5216126353Smlaier{ 5217130617Smlaier struct sym *sym, *next; 5218126353Smlaier 5219126353Smlaier fin = input; 5220126353Smlaier pf = xpf; 5221126353Smlaier lineno = 1; 5222126353Smlaier errors = 0; 5223126353Smlaier rulestate = PFCTL_STATE_NONE; 5224126353Smlaier returnicmpdefault = (ICMP_UNREACH << 8) | ICMP_UNREACH_PORT; 5225126353Smlaier returnicmp6default = 5226126353Smlaier (ICMP6_DST_UNREACH << 8) | ICMP6_DST_UNREACH_NOPORT; 5227126353Smlaier blockpolicy = PFRULE_DROP; 5228126353Smlaier require_order = 1; 5229126353Smlaier 5230126353Smlaier yyparse(); 5231126353Smlaier 5232126353Smlaier /* Free macros and check which have not been used. */ 5233130617Smlaier for (sym = TAILQ_FIRST(&symhead); sym != NULL; sym = next) { 5234130617Smlaier next = TAILQ_NEXT(sym, entries); 5235126353Smlaier if ((pf->opts & PF_OPT_VERBOSE2) && !sym->used) 5236126353Smlaier fprintf(stderr, "warning: macro '%s' not " 5237126353Smlaier "used\n", sym->nam); 5238126353Smlaier free(sym->nam); 5239126353Smlaier free(sym->val); 5240126353Smlaier TAILQ_REMOVE(&symhead, sym, entries); 5241130617Smlaier free(sym); 5242126353Smlaier } 5243126353Smlaier 5244126353Smlaier return (errors ? -1 : 0); 5245126353Smlaier} 5246126353Smlaier 5247126353Smlaier/* 5248126353Smlaier * Over-designed efficiency is a French and German concept, so how about 5249126353Smlaier * we wait until they discover this ugliness and make it all fancy. 5250126353Smlaier */ 5251126353Smlaierint 5252126353Smlaiersymset(const char *nam, const char *val, int persist) 5253126353Smlaier{ 5254126353Smlaier struct sym *sym; 5255126353Smlaier 5256126353Smlaier for (sym = TAILQ_FIRST(&symhead); sym && strcmp(nam, sym->nam); 5257126353Smlaier sym = TAILQ_NEXT(sym, entries)) 5258126353Smlaier ; /* nothing */ 5259126353Smlaier 5260126353Smlaier if (sym != NULL) { 5261126353Smlaier if (sym->persist == 1) 5262126353Smlaier return (0); 5263126353Smlaier else { 5264126353Smlaier free(sym->nam); 5265126353Smlaier free(sym->val); 5266126353Smlaier TAILQ_REMOVE(&symhead, sym, entries); 5267126353Smlaier free(sym); 5268126353Smlaier } 5269126353Smlaier } 5270126353Smlaier if ((sym = calloc(1, sizeof(*sym))) == NULL) 5271126353Smlaier return (-1); 5272126353Smlaier 5273126353Smlaier sym->nam = strdup(nam); 5274126353Smlaier if (sym->nam == NULL) { 5275126353Smlaier free(sym); 5276126353Smlaier return (-1); 5277126353Smlaier } 5278126353Smlaier sym->val = strdup(val); 5279126353Smlaier if (sym->val == NULL) { 5280126353Smlaier free(sym->nam); 5281126353Smlaier free(sym); 5282126353Smlaier return (-1); 5283126353Smlaier } 5284126353Smlaier sym->used = 0; 5285126353Smlaier sym->persist = persist; 5286126353Smlaier TAILQ_INSERT_TAIL(&symhead, sym, entries); 5287126353Smlaier return (0); 5288126353Smlaier} 5289126353Smlaier 5290126353Smlaierint 5291126353Smlaierpfctl_cmdline_symset(char *s) 5292126353Smlaier{ 5293126353Smlaier char *sym, *val; 5294126353Smlaier int ret; 5295126353Smlaier 5296126353Smlaier if ((val = strrchr(s, '=')) == NULL) 5297126353Smlaier return (-1); 5298126353Smlaier 5299126353Smlaier if ((sym = malloc(strlen(s) - strlen(val) + 1)) == NULL) 5300126353Smlaier err(1, "pfctl_cmdline_symset: malloc"); 5301126353Smlaier 5302126353Smlaier strlcpy(sym, s, strlen(s) - strlen(val) + 1); 5303126353Smlaier 5304126353Smlaier ret = symset(sym, val + 1, 1); 5305126353Smlaier free(sym); 5306126353Smlaier 5307126353Smlaier return (ret); 5308126353Smlaier} 5309126353Smlaier 5310126353Smlaierchar * 5311126353Smlaiersymget(const char *nam) 5312126353Smlaier{ 5313126353Smlaier struct sym *sym; 5314126353Smlaier 5315126353Smlaier TAILQ_FOREACH(sym, &symhead, entries) 5316126353Smlaier if (strcmp(nam, sym->nam) == 0) { 5317126353Smlaier sym->used = 1; 5318126353Smlaier return (sym->val); 5319126353Smlaier } 5320126353Smlaier return (NULL); 5321126353Smlaier} 5322126353Smlaier 5323126353Smlaiervoid 5324171172Smlaiermv_rules(struct pf_ruleset *src, struct pf_ruleset *dst) 5325126353Smlaier{ 5326171172Smlaier int i; 5327171172Smlaier struct pf_rule *r; 5328126353Smlaier 5329171172Smlaier for (i = 0; i < PF_RULESET_MAX; ++i) { 5330171172Smlaier while ((r = TAILQ_FIRST(src->rules[i].active.ptr)) 5331171172Smlaier != NULL) { 5332171172Smlaier TAILQ_REMOVE(src->rules[i].active.ptr, r, entries); 5333171172Smlaier TAILQ_INSERT_TAIL(dst->rules[i].active.ptr, r, entries); 5334171172Smlaier dst->anchor->match++; 5335126353Smlaier } 5336171172Smlaier src->anchor->match = 0; 5337171172Smlaier while ((r = TAILQ_FIRST(src->rules[i].inactive.ptr)) 5338171172Smlaier != NULL) { 5339171172Smlaier TAILQ_REMOVE(src->rules[i].inactive.ptr, r, entries); 5340171172Smlaier TAILQ_INSERT_TAIL(dst->rules[i].inactive.ptr, 5341171172Smlaier r, entries); 5342171172Smlaier } 5343126353Smlaier } 5344126353Smlaier} 5345126353Smlaier 5346126353Smlaiervoid 5347171172Smlaierdecide_address_family(struct node_host *n, sa_family_t *af) 5348171172Smlaier{ 5349171172Smlaier if (*af != 0 || n == NULL) 5350171172Smlaier return; 5351171172Smlaier *af = n->af; 5352171172Smlaier while ((n = n->next) != NULL) { 5353171172Smlaier if (n->af != *af) { 5354171172Smlaier *af = 0; 5355171172Smlaier return; 5356171172Smlaier } 5357171172Smlaier } 5358171172Smlaier} 5359171172Smlaier 5360171172Smlaiervoid 5361126353Smlaierremove_invalid_hosts(struct node_host **nh, sa_family_t *af) 5362126353Smlaier{ 5363126353Smlaier struct node_host *n = *nh, *prev = NULL; 5364126353Smlaier 5365126353Smlaier while (n != NULL) { 5366126353Smlaier if (*af && n->af && n->af != *af) { 5367126353Smlaier /* unlink and free n */ 5368126353Smlaier struct node_host *next = n->next; 5369126353Smlaier 5370126353Smlaier /* adjust tail pointer */ 5371126353Smlaier if (n == (*nh)->tail) 5372126353Smlaier (*nh)->tail = prev; 5373126353Smlaier /* adjust previous node's next pointer */ 5374126353Smlaier if (prev == NULL) 5375126353Smlaier *nh = next; 5376126353Smlaier else 5377126353Smlaier prev->next = next; 5378126353Smlaier /* free node */ 5379126353Smlaier if (n->ifname != NULL) 5380126353Smlaier free(n->ifname); 5381126353Smlaier free(n); 5382126353Smlaier n = next; 5383126353Smlaier } else { 5384126353Smlaier if (n->af && !*af) 5385126353Smlaier *af = n->af; 5386126353Smlaier prev = n; 5387126353Smlaier n = n->next; 5388126353Smlaier } 5389126353Smlaier } 5390126353Smlaier} 5391126353Smlaier 5392126353Smlaierint 5393126353Smlaierinvalid_redirect(struct node_host *nh, sa_family_t af) 5394126353Smlaier{ 5395126353Smlaier if (!af) { 5396126353Smlaier struct node_host *n; 5397126353Smlaier 5398130617Smlaier /* tables and dyniftl are ok without an address family */ 5399126353Smlaier for (n = nh; n != NULL; n = n->next) { 5400130617Smlaier if (n->addr.type != PF_ADDR_TABLE && 5401130617Smlaier n->addr.type != PF_ADDR_DYNIFTL) { 5402126353Smlaier yyerror("address family not given and " 5403126353Smlaier "translation address expands to multiple " 5404126353Smlaier "address families"); 5405126353Smlaier return (1); 5406126353Smlaier } 5407126353Smlaier } 5408126353Smlaier } 5409126353Smlaier if (nh == NULL) { 5410126353Smlaier yyerror("no translation address with matching address family " 5411126353Smlaier "found."); 5412126353Smlaier return (1); 5413126353Smlaier } 5414126353Smlaier return (0); 5415126353Smlaier} 5416126353Smlaier 5417126353Smlaierint 5418126353Smlaieratoul(char *s, u_long *ulvalp) 5419126353Smlaier{ 5420126353Smlaier u_long ulval; 5421126353Smlaier char *ep; 5422126353Smlaier 5423126353Smlaier errno = 0; 5424126353Smlaier ulval = strtoul(s, &ep, 0); 5425126353Smlaier if (s[0] == '\0' || *ep != '\0') 5426126353Smlaier return (-1); 5427126353Smlaier if (errno == ERANGE && ulval == ULONG_MAX) 5428126353Smlaier return (-1); 5429126353Smlaier *ulvalp = ulval; 5430126353Smlaier return (0); 5431126353Smlaier} 5432126353Smlaier 5433126353Smlaierint 5434126353Smlaiergetservice(char *n) 5435126353Smlaier{ 5436126353Smlaier struct servent *s; 5437126353Smlaier u_long ulval; 5438126353Smlaier 5439126353Smlaier if (atoul(n, &ulval) == 0) { 5440126353Smlaier if (ulval > 65535) { 5441145840Smlaier yyerror("illegal port value %lu", ulval); 5442126353Smlaier return (-1); 5443126353Smlaier } 5444126353Smlaier return (htons(ulval)); 5445126353Smlaier } else { 5446126353Smlaier s = getservbyname(n, "tcp"); 5447126353Smlaier if (s == NULL) 5448126353Smlaier s = getservbyname(n, "udp"); 5449126353Smlaier if (s == NULL) { 5450126353Smlaier yyerror("unknown port %s", n); 5451126353Smlaier return (-1); 5452126353Smlaier } 5453126353Smlaier return (s->s_port); 5454126353Smlaier } 5455126353Smlaier} 5456126353Smlaier 5457126353Smlaierint 5458126353Smlaierrule_label(struct pf_rule *r, char *s) 5459126353Smlaier{ 5460126353Smlaier if (s) { 5461126353Smlaier if (strlcpy(r->label, s, sizeof(r->label)) >= 5462126353Smlaier sizeof(r->label)) { 5463126353Smlaier yyerror("rule label too long (max %d chars)", 5464126353Smlaier sizeof(r->label)-1); 5465126353Smlaier return (-1); 5466126353Smlaier } 5467126353Smlaier } 5468126353Smlaier return (0); 5469126353Smlaier} 5470126353Smlaier 5471126353Smlaieru_int16_t 5472126353Smlaierparseicmpspec(char *w, sa_family_t af) 5473126353Smlaier{ 5474126353Smlaier const struct icmpcodeent *p; 5475126353Smlaier u_long ulval; 5476126353Smlaier u_int8_t icmptype; 5477126353Smlaier 5478126353Smlaier if (af == AF_INET) 5479126353Smlaier icmptype = returnicmpdefault >> 8; 5480126353Smlaier else 5481126353Smlaier icmptype = returnicmp6default >> 8; 5482126353Smlaier 5483126353Smlaier if (atoul(w, &ulval) == -1) { 5484126353Smlaier if ((p = geticmpcodebyname(icmptype, w, af)) == NULL) { 5485126353Smlaier yyerror("unknown icmp code %s", w); 5486126353Smlaier return (0); 5487126353Smlaier } 5488126353Smlaier ulval = p->code; 5489126353Smlaier } 5490126353Smlaier if (ulval > 255) { 5491145840Smlaier yyerror("invalid icmp code %lu", ulval); 5492126353Smlaier return (0); 5493126353Smlaier } 5494126353Smlaier return (icmptype << 8 | ulval); 5495126353Smlaier} 5496126353Smlaier 5497126353Smlaierint 5498171172Smlaierpfctl_load_anchors(int dev, struct pfctl *pf, struct pfr_buffer *trans) 5499126353Smlaier{ 5500126353Smlaier struct loadanchors *la; 5501171172Smlaier FILE *fin; 5502126353Smlaier 5503126353Smlaier TAILQ_FOREACH(la, &loadanchorshead, entries) { 5504171172Smlaier if (pf->opts & PF_OPT_VERBOSE) 5505145840Smlaier fprintf(stderr, "\nLoading anchor %s from %s\n", 5506145840Smlaier la->anchorname, la->filename); 5507171172Smlaier if ((fin = pfctl_fopen(la->filename, "r")) == NULL) { 5508171172Smlaier warn("%s", la->filename); 5509171172Smlaier continue; 5510171172Smlaier } 5511171172Smlaier if (pfctl_rules(dev, la->filename, fin, pf->opts, pf->optimize, 5512171172Smlaier la->anchorname, trans) == -1) 5513126353Smlaier return (-1); 5514126353Smlaier } 5515126353Smlaier 5516126353Smlaier return (0); 5517126353Smlaier} 5518