ipf_y.y revision 146277
1145519Sdarrenr/* $FreeBSD: head/contrib/ipfilter/tools/ipf_y.y 146277 2005-05-16 16:22:55Z darrenr $ */ 2145510Sdarrenr 3145510Sdarrenr%{ 4145510Sdarrenr#include "ipf.h" 5145510Sdarrenr#include <sys/ioctl.h> 6145510Sdarrenr#include <syslog.h> 7145510Sdarrenr#ifdef IPFILTER_BPF 8146277Sdarrenr# include "pcap-bpf.h" 9146277Sdarrenr# define _NET_BPF_H_ 10145510Sdarrenr# include <pcap.h> 11145510Sdarrenr#endif 12145510Sdarrenr#include "netinet/ip_pool.h" 13145510Sdarrenr#include "netinet/ip_htable.h" 14145510Sdarrenr#include "netinet/ipl.h" 15145510Sdarrenr#include "ipf_l.h" 16145510Sdarrenr 17145510Sdarrenr#define YYDEBUG 1 18145510Sdarrenr#define DOALL(x) for (fr = frc; fr != NULL; fr = fr->fr_next) { x } 19145510Sdarrenr#define DOREM(x) for (; fr != NULL; fr = fr->fr_next) { x } 20145510Sdarrenr 21145510Sdarrenrextern void yyerror __P((char *)); 22145510Sdarrenrextern int yyparse __P((void)); 23145510Sdarrenrextern int yylex __P((void)); 24145510Sdarrenrextern int yydebug; 25145510Sdarrenrextern FILE *yyin; 26145510Sdarrenrextern int yylineNum; 27145510Sdarrenr 28145510Sdarrenrstatic void newrule __P((void)); 29145510Sdarrenrstatic void setipftype __P((void)); 30145510Sdarrenrstatic u_32_t lookuphost __P((char *)); 31145510Sdarrenrstatic void dobpf __P((int, char *)); 32145510Sdarrenrstatic void resetaddr __P((void)); 33145510Sdarrenrstatic struct alist_s *newalist __P((struct alist_s *)); 34145510Sdarrenrstatic u_int makehash __P((struct alist_s *)); 35145510Sdarrenrstatic int makepool __P((struct alist_s *)); 36145510Sdarrenrstatic frentry_t *addrule __P((void)); 37145510Sdarrenrstatic void setsyslog __P((void)); 38145510Sdarrenrstatic void unsetsyslog __P((void)); 39145510Sdarrenrstatic void fillgroup __P((frentry_t *)); 40145510Sdarrenr 41145510Sdarrenrfrentry_t *fr = NULL, *frc = NULL, *frtop = NULL, *frold = NULL; 42145510Sdarrenr 43145510Sdarrenrstatic int ifpflag = 0; 44145510Sdarrenrstatic int nowith = 0; 45145510Sdarrenrstatic int dynamic = -1; 46145510Sdarrenrstatic int pooled = 0; 47145510Sdarrenrstatic int hashed = 0; 48145510Sdarrenrstatic int nrules = 0; 49145510Sdarrenrstatic int newlist = 0; 50145510Sdarrenrstatic int added = 0; 51145510Sdarrenrstatic int ipffd = -1; 52145510Sdarrenrstatic int *yycont = 0; 53145510Sdarrenrstatic ioctlfunc_t ipfioctl[IPL_LOGSIZE]; 54145510Sdarrenrstatic addfunc_t ipfaddfunc = NULL; 55145510Sdarrenrstatic struct wordtab ipfwords[95]; 56145510Sdarrenrstatic struct wordtab addrwords[4]; 57145510Sdarrenrstatic struct wordtab maskwords[5]; 58145510Sdarrenrstatic struct wordtab icmpcodewords[17]; 59145510Sdarrenrstatic struct wordtab icmptypewords[16]; 60145510Sdarrenrstatic struct wordtab ipv4optwords[25]; 61145510Sdarrenrstatic struct wordtab ipv4secwords[9]; 62145510Sdarrenrstatic struct wordtab ipv6optwords[8]; 63145510Sdarrenrstatic struct wordtab logwords[33]; 64145510Sdarrenr 65145510Sdarrenr%} 66145510Sdarrenr%union { 67145510Sdarrenr char *str; 68145510Sdarrenr u_32_t num; 69145510Sdarrenr struct in_addr ipa; 70145510Sdarrenr frentry_t fr; 71145510Sdarrenr frtuc_t *frt; 72145510Sdarrenr struct alist_s *alist; 73145510Sdarrenr u_short port; 74145510Sdarrenr struct { 75145510Sdarrenr u_short p1; 76145510Sdarrenr u_short p2; 77145510Sdarrenr int pc; 78145510Sdarrenr } pc; 79145510Sdarrenr struct { 80145510Sdarrenr union i6addr a; 81145510Sdarrenr union i6addr m; 82145510Sdarrenr } ipp; 83145510Sdarrenr union i6addr ip6; 84145510Sdarrenr}; 85145510Sdarrenr 86145510Sdarrenr%type <port> portnum 87145510Sdarrenr%type <num> facility priority icmpcode seclevel secname icmptype 88145510Sdarrenr%type <num> opt compare range opttype flagset optlist ipv6hdrlist ipv6hdr 89145510Sdarrenr%type <num> portc porteq 90145510Sdarrenr%type <ipa> hostname ipv4 ipv4mask ipv4_16 ipv4_24 91145510Sdarrenr%type <ip6> ipv6mask 92145510Sdarrenr%type <ipp> addr ipaddr 93145510Sdarrenr%type <str> servicename name interfacename 94145510Sdarrenr%type <pc> portrange portcomp 95145510Sdarrenr%type <alist> addrlist poollist 96145510Sdarrenr 97145510Sdarrenr%token <num> YY_NUMBER YY_HEX 98145510Sdarrenr%token <str> YY_STR 99145510Sdarrenr%token YY_COMMENT 100145510Sdarrenr%token YY_CMP_EQ YY_CMP_NE YY_CMP_LE YY_CMP_GE YY_CMP_LT YY_CMP_GT 101145510Sdarrenr%token YY_RANGE_OUT YY_RANGE_IN 102145510Sdarrenr%token <ip6> YY_IPV6 103145510Sdarrenr 104145510Sdarrenr%token IPFY_PASS IPFY_BLOCK IPFY_COUNT IPFY_CALL 105145510Sdarrenr%token IPFY_RETICMP IPFY_RETRST IPFY_RETICMPASDST 106145510Sdarrenr%token IPFY_IN IPFY_OUT 107145510Sdarrenr%token IPFY_QUICK IPFY_ON IPFY_OUTVIA IPFY_INVIA 108145510Sdarrenr%token IPFY_DUPTO IPFY_TO IPFY_FROUTE IPFY_REPLY_TO IPFY_ROUTETO 109145510Sdarrenr%token IPFY_TOS IPFY_TTL IPFY_PROTO 110145510Sdarrenr%token IPFY_HEAD IPFY_GROUP 111145510Sdarrenr%token IPFY_AUTH IPFY_PREAUTH 112145510Sdarrenr%token IPFY_LOG IPFY_BODY IPFY_FIRST IPFY_LEVEL IPFY_ORBLOCK 113145510Sdarrenr%token IPFY_LOGTAG IPFY_MATCHTAG IPFY_SETTAG IPFY_SKIP 114145510Sdarrenr%token IPFY_FROM IPFY_ALL IPFY_ANY IPFY_BPFV4 IPFY_BPFV6 IPFY_POOL IPFY_HASH 115145510Sdarrenr%token IPFY_PPS 116145510Sdarrenr%token IPFY_ESP IPFY_AH 117145510Sdarrenr%token IPFY_WITH IPFY_AND IPFY_NOT IPFY_NO IPFY_OPT 118145510Sdarrenr%token IPFY_TCPUDP IPFY_TCP IPFY_UDP 119145510Sdarrenr%token IPFY_FLAGS IPFY_MULTICAST 120145510Sdarrenr%token IPFY_MASK IPFY_BROADCAST IPFY_NETWORK IPFY_NETMASKED IPFY_PEER 121145510Sdarrenr%token IPFY_PORT 122145510Sdarrenr%token IPFY_NOW 123145510Sdarrenr%token IPFY_ICMP IPFY_ICMPTYPE IPFY_ICMPCODE 124145510Sdarrenr%token IPFY_IPOPTS IPFY_SHORT IPFY_NAT IPFY_BADSRC IPFY_LOWTTL IPFY_FRAG 125145510Sdarrenr%token IPFY_MBCAST IPFY_BAD IPFY_BADNAT IPFY_OOW IPFY_NEWISN IPFY_NOICMPERR 126145510Sdarrenr%token IPFY_KEEP IPFY_STATE IPFY_FRAGS IPFY_LIMIT IPFY_STRICT IPFY_AGE 127145510Sdarrenr%token IPFY_SYNC IPFY_FRAGBODY 128145510Sdarrenr%token IPFY_IPOPT_NOP IPFY_IPOPT_RR IPFY_IPOPT_ZSU IPFY_IPOPT_MTUP 129145510Sdarrenr%token IPFY_IPOPT_MTUR IPFY_IPOPT_ENCODE IPFY_IPOPT_TS IPFY_IPOPT_TR 130145510Sdarrenr%token IPFY_IPOPT_SEC IPFY_IPOPT_LSRR IPFY_IPOPT_ESEC IPFY_IPOPT_CIPSO 131145510Sdarrenr%token IPFY_IPOPT_SATID IPFY_IPOPT_SSRR IPFY_IPOPT_ADDEXT IPFY_IPOPT_VISA 132145510Sdarrenr%token IPFY_IPOPT_IMITD IPFY_IPOPT_EIP IPFY_IPOPT_FINN IPFY_IPOPT_DPS 133145510Sdarrenr%token IPFY_IPOPT_SDB IPFY_IPOPT_NSAPA IPFY_IPOPT_RTRALRT IPFY_IPOPT_UMP 134145510Sdarrenr%token IPFY_SECCLASS IPFY_SEC_UNC IPFY_SEC_CONF IPFY_SEC_RSV1 IPFY_SEC_RSV2 135145510Sdarrenr%token IPFY_SEC_RSV4 IPFY_SEC_SEC IPFY_SEC_TS IPFY_SEC_RSV3 136145510Sdarrenr 137145510Sdarrenr%token IPF6_V6HDRS IPFY_IPV6OPT IPFY_IPV6OPT_DSTOPTS IPFY_IPV6OPT_HOPOPTS 138145510Sdarrenr%token IPFY_IPV6OPT_IPV6 IPFY_IPV6OPT_NONE IPFY_IPV6OPT_ROUTING 139145510Sdarrenr 140145510Sdarrenr%token IPFY_ICMPT_UNR IPFY_ICMPT_ECHO IPFY_ICMPT_ECHOR IPFY_ICMPT_SQUENCH 141145510Sdarrenr%token IPFY_ICMPT_REDIR IPFY_ICMPT_TIMEX IPFY_ICMPT_PARAMP IPFY_ICMPT_TIMEST 142145510Sdarrenr%token IPFY_ICMPT_TIMESTREP IPFY_ICMPT_INFOREQ IPFY_ICMPT_INFOREP 143145510Sdarrenr%token IPFY_ICMPT_MASKREQ IPFY_ICMPT_MASKREP IPFY_ICMPT_ROUTERAD 144145510Sdarrenr%token IPFY_ICMPT_ROUTERSOL 145145510Sdarrenr 146145510Sdarrenr%token IPFY_ICMPC_NETUNR IPFY_ICMPC_HSTUNR IPFY_ICMPC_PROUNR IPFY_ICMPC_PORUNR 147145510Sdarrenr%token IPFY_ICMPC_NEEDF IPFY_ICMPC_SRCFAIL IPFY_ICMPC_NETUNK IPFY_ICMPC_HSTUNK 148145510Sdarrenr%token IPFY_ICMPC_ISOLATE IPFY_ICMPC_NETPRO IPFY_ICMPC_HSTPRO 149145510Sdarrenr%token IPFY_ICMPC_NETTOS IPFY_ICMPC_HSTTOS IPFY_ICMPC_FLTPRO IPFY_ICMPC_HSTPRE 150145510Sdarrenr%token IPFY_ICMPC_CUTPRE 151145510Sdarrenr 152145510Sdarrenr%token IPFY_FAC_KERN IPFY_FAC_USER IPFY_FAC_MAIL IPFY_FAC_DAEMON IPFY_FAC_AUTH 153145510Sdarrenr%token IPFY_FAC_SYSLOG IPFY_FAC_LPR IPFY_FAC_NEWS IPFY_FAC_UUCP IPFY_FAC_CRON 154145510Sdarrenr%token IPFY_FAC_LOCAL0 IPFY_FAC_LOCAL1 IPFY_FAC_LOCAL2 IPFY_FAC_LOCAL3 155145510Sdarrenr%token IPFY_FAC_LOCAL4 IPFY_FAC_LOCAL5 IPFY_FAC_LOCAL6 IPFY_FAC_LOCAL7 156145510Sdarrenr%token IPFY_FAC_SECURITY IPFY_FAC_FTP IPFY_FAC_AUTHPRIV IPFY_FAC_AUDIT 157145510Sdarrenr%token IPFY_FAC_LFMT IPFY_FAC_CONSOLE 158145510Sdarrenr 159145510Sdarrenr%token IPFY_PRI_EMERG IPFY_PRI_ALERT IPFY_PRI_CRIT IPFY_PRI_ERR IPFY_PRI_WARN 160145510Sdarrenr%token IPFY_PRI_NOTICE IPFY_PRI_INFO IPFY_PRI_DEBUG 161145510Sdarrenr%% 162145510Sdarrenrfile: line 163145510Sdarrenr | assign 164145510Sdarrenr | file line 165145510Sdarrenr | file assign 166145510Sdarrenr ; 167145510Sdarrenr 168145510Sdarrenrline: xx rule { while ((fr = frtop) != NULL) { 169145510Sdarrenr frtop = fr->fr_next; 170145510Sdarrenr fr->fr_next = NULL; 171145510Sdarrenr (*ipfaddfunc)(ipffd, ipfioctl[IPL_LOGIPF], fr); 172145510Sdarrenr fr->fr_next = frold; 173145510Sdarrenr frold = fr; 174145510Sdarrenr } 175145510Sdarrenr resetlexer(); 176145510Sdarrenr } 177145510Sdarrenr | YY_COMMENT 178145510Sdarrenr ; 179145510Sdarrenr 180145510Sdarrenrxx: { newrule(); } 181145510Sdarrenr ; 182145510Sdarrenr 183145510Sdarrenrassign: YY_STR assigning YY_STR ';' { set_variable($1, $3); 184145510Sdarrenr resetlexer(); 185145510Sdarrenr free($1); 186145510Sdarrenr free($3); 187145510Sdarrenr } 188145510Sdarrenr ; 189145510Sdarrenr 190145510Sdarrenrassigning: 191145510Sdarrenr '=' { yyvarnext = 1; } 192145510Sdarrenr ; 193145510Sdarrenr 194145510Sdarrenrrule: inrule eol 195145510Sdarrenr | outrule eol 196145510Sdarrenr ; 197145510Sdarrenr 198145510Sdarrenreol: | ';' 199145510Sdarrenr ; 200145510Sdarrenr 201145510Sdarrenrinrule: 202145510Sdarrenr rulehead markin inopts rulemain ruletail intag ruletail2 203145510Sdarrenr ; 204145510Sdarrenr 205145510Sdarrenroutrule: 206145510Sdarrenr rulehead markout outopts rulemain ruletail outtag ruletail2 207145510Sdarrenr ; 208145510Sdarrenr 209145510Sdarrenrrulehead: 210145510Sdarrenr collection action 211145510Sdarrenr | insert collection action 212145510Sdarrenr ; 213145510Sdarrenr 214145510Sdarrenrmarkin: IPFY_IN { fr->fr_flags |= FR_INQUE; } 215145510Sdarrenr ; 216145510Sdarrenr 217145510Sdarrenrmarkout: 218145510Sdarrenr IPFY_OUT { fr->fr_flags |= FR_OUTQUE; } 219145510Sdarrenr ; 220145510Sdarrenr 221145510Sdarrenrrulemain: 222145510Sdarrenr ipfrule 223145510Sdarrenr | bpfrule 224145510Sdarrenr ; 225145510Sdarrenr 226145510Sdarrenripfrule: 227145510Sdarrenr tos ttl proto ip 228145510Sdarrenr ; 229145510Sdarrenr 230145510Sdarrenrbpfrule: 231145510Sdarrenr IPFY_BPFV4 '{' YY_STR '}' { dobpf(4, $3); free($3); } 232145510Sdarrenr | IPFY_BPFV6 '{' YY_STR '}' { dobpf(6, $3); free($3); } 233145510Sdarrenr ; 234145510Sdarrenr 235145510Sdarrenrruletail: 236145510Sdarrenr with keep head group 237145510Sdarrenr ; 238145510Sdarrenr 239145510Sdarrenrruletail2: 240145510Sdarrenr pps age new 241145510Sdarrenr ; 242145510Sdarrenr 243145510Sdarrenrintag: settagin matchtagin 244145510Sdarrenr ; 245145510Sdarrenr 246145510Sdarrenrouttag: settagout matchtagout 247145510Sdarrenr ; 248145510Sdarrenr 249145510Sdarrenrinsert: 250145510Sdarrenr '@' YY_NUMBER { fr->fr_hits = (U_QUAD_T)$2 + 1; } 251145510Sdarrenr ; 252145510Sdarrenr 253145510Sdarrenrcollection: 254145510Sdarrenr | YY_NUMBER { fr->fr_collect = $1; } 255145510Sdarrenr ; 256145510Sdarrenr 257145510Sdarrenraction: block 258145510Sdarrenr | IPFY_PASS { fr->fr_flags |= FR_PASS; } 259145510Sdarrenr | log 260145510Sdarrenr | IPFY_COUNT { fr->fr_flags |= FR_ACCOUNT; } 261145510Sdarrenr | auth 262145510Sdarrenr | IPFY_SKIP YY_NUMBER { fr->fr_flags |= FR_SKIP; 263145510Sdarrenr fr->fr_arg = $2; } 264145510Sdarrenr | IPFY_CALL func 265145510Sdarrenr | IPFY_CALL IPFY_NOW func { fr->fr_flags |= FR_CALLNOW; } 266145510Sdarrenr ; 267145510Sdarrenr 268145510Sdarrenrblock: blocked 269145510Sdarrenr | blocked blockreturn 270145510Sdarrenr ; 271145510Sdarrenr 272145510Sdarrenrblocked: 273145510Sdarrenr IPFY_BLOCK { fr->fr_flags = FR_BLOCK; } 274145510Sdarrenr ; 275145510Sdarrenrblockreturn: 276145510Sdarrenr IPFY_RETICMP { fr->fr_flags |= FR_RETICMP; } 277145510Sdarrenr | IPFY_RETICMP returncode { fr->fr_flags |= FR_RETICMP; } 278145510Sdarrenr | IPFY_RETICMPASDST { fr->fr_flags |= FR_FAKEICMP; } 279145510Sdarrenr | IPFY_RETICMPASDST returncode { fr->fr_flags |= FR_FAKEICMP; } 280145510Sdarrenr | IPFY_RETRST { fr->fr_flags |= FR_RETRST; } 281145510Sdarrenr ; 282145510Sdarrenr 283145510Sdarrenrlog: IPFY_LOG { fr->fr_flags |= FR_LOG; } 284145510Sdarrenr | IPFY_LOG logoptions { fr->fr_flags |= FR_LOG; } 285145510Sdarrenr ; 286145510Sdarrenr 287145510Sdarrenrauth: IPFY_AUTH { fr->fr_flags |= FR_AUTH; } 288145510Sdarrenr | IPFY_AUTH IPFY_RETRST { fr->fr_flags |= (FR_AUTH|FR_RETRST);} 289145510Sdarrenr | IPFY_PREAUTH { fr->fr_flags |= FR_PREAUTH; } 290145510Sdarrenr ; 291145510Sdarrenr 292145510Sdarrenrfunc: YY_STR '/' YY_NUMBER { fr->fr_func = nametokva($1, 293145510Sdarrenr ipfioctl[IPL_LOGIPF]); 294145510Sdarrenr fr->fr_arg = $3; 295145510Sdarrenr free($1); } 296145510Sdarrenr ; 297145510Sdarrenr 298145510Sdarrenrinopts: 299145510Sdarrenr | inopts inopt 300145510Sdarrenr ; 301145510Sdarrenr 302145510Sdarrenrinopt: 303145510Sdarrenr logopt 304145510Sdarrenr | quick 305145510Sdarrenr | on 306145510Sdarrenr | dup 307145510Sdarrenr | froute 308145510Sdarrenr | proute 309145510Sdarrenr | replyto 310145510Sdarrenr ; 311145510Sdarrenr 312145510Sdarrenroutopts: 313145510Sdarrenr | outopts outopt 314145510Sdarrenr ; 315145510Sdarrenr 316145510Sdarrenroutopt: 317145510Sdarrenr logopt 318145510Sdarrenr | quick 319145510Sdarrenr | on 320145510Sdarrenr | dup 321145510Sdarrenr | proute 322145510Sdarrenr | replyto 323145510Sdarrenr ; 324145510Sdarrenr 325145510Sdarrenrtos: | settos YY_NUMBER { DOALL(fr->fr_tos = $2; fr->fr_mtos = 0xff;) } 326145510Sdarrenr | settos YY_HEX { DOALL(fr->fr_tos = $2; fr->fr_mtos = 0xff;) } 327145510Sdarrenr | settos lstart toslist lend 328145510Sdarrenr ; 329145510Sdarrenr 330145510Sdarrenrsettos: IPFY_TOS { setipftype(); } 331145510Sdarrenr ; 332145510Sdarrenr 333145510Sdarrenrtoslist: 334145510Sdarrenr YY_NUMBER { DOALL(fr->fr_tos = $1; fr->fr_mtos = 0xff;) } 335145510Sdarrenr | YY_HEX { DOREM(fr->fr_tos = $1; fr->fr_mtos = 0xff;) } 336145510Sdarrenr | toslist lmore YY_NUMBER 337145510Sdarrenr { DOREM(fr->fr_tos = $3; fr->fr_mtos = 0xff;) } 338145510Sdarrenr | toslist lmore YY_HEX 339145510Sdarrenr { DOREM(fr->fr_tos = $3; fr->fr_mtos = 0xff;) } 340145510Sdarrenr ; 341145510Sdarrenr 342145510Sdarrenrttl: | setttl YY_NUMBER 343145510Sdarrenr { DOALL(fr->fr_ttl = $2; fr->fr_mttl = 0xff;) } 344145510Sdarrenr | setttl lstart ttllist lend 345145510Sdarrenr ; 346145510Sdarrenr 347145510Sdarrenrlstart: '(' { newlist = 1; fr = frc; added = 0; } 348145510Sdarrenr ; 349145510Sdarrenr 350145510Sdarrenrlend: ')' { nrules += added; } 351145510Sdarrenr ; 352145510Sdarrenr 353145510Sdarrenrlmore: lanother { if (newlist == 1) { 354145510Sdarrenr newlist = 0; 355145510Sdarrenr } 356145510Sdarrenr fr = addrule(); 357145510Sdarrenr if (yycont != NULL) 358145510Sdarrenr *yycont = 1; 359145510Sdarrenr } 360145510Sdarrenr ; 361145510Sdarrenr 362145510Sdarrenrlanother: 363145510Sdarrenr | ',' 364145510Sdarrenr ; 365145510Sdarrenr 366145510Sdarrenrsetttl: IPFY_TTL { setipftype(); } 367145510Sdarrenr ; 368145510Sdarrenr 369145510Sdarrenrttllist: 370145510Sdarrenr YY_NUMBER { DOREM(fr->fr_ttl = $1; fr->fr_mttl = 0xff;) } 371145510Sdarrenr | ttllist lmore YY_NUMBER 372145510Sdarrenr { DOREM(fr->fr_ttl = $3; fr->fr_mttl = 0xff;) } 373145510Sdarrenr ; 374145510Sdarrenr 375145510Sdarrenrproto: | protox protocol { yyresetdict(); } 376145510Sdarrenr ; 377145510Sdarrenr 378145510Sdarrenrprotox: IPFY_PROTO { setipftype(); 379145510Sdarrenr fr = frc; 380145510Sdarrenr yysetdict(NULL); } 381145510Sdarrenr ; 382145510Sdarrenr 383145510Sdarrenrip: srcdst flags icmp 384145510Sdarrenr ; 385145510Sdarrenr 386145510Sdarrenrgroup: | IPFY_GROUP YY_STR { DOALL(strncpy(fr->fr_group, $2, \ 387145510Sdarrenr FR_GROUPLEN); \ 388145510Sdarrenr fillgroup(fr);); 389145510Sdarrenr free($2); } 390145510Sdarrenr | IPFY_GROUP YY_NUMBER { DOALL(sprintf(fr->fr_group, "%d", \ 391145510Sdarrenr $2); \ 392145510Sdarrenr fillgroup(fr);) } 393145510Sdarrenr ; 394145510Sdarrenr 395145510Sdarrenrhead: | IPFY_HEAD YY_STR { DOALL(strncpy(fr->fr_grhead, $2, \ 396145510Sdarrenr FR_GROUPLEN);); 397145510Sdarrenr free($2); } 398145510Sdarrenr | IPFY_HEAD YY_NUMBER { DOALL(sprintf(fr->fr_grhead, "%d", \ 399145510Sdarrenr $2);) } 400145510Sdarrenr ; 401145510Sdarrenr 402145510Sdarrenrsettagin: 403145510Sdarrenr | IPFY_SETTAG '(' taginlist ')' 404145510Sdarrenr ; 405145510Sdarrenr 406145510Sdarrenrtaginlist: 407145510Sdarrenr taginspec 408145510Sdarrenr | taginlist ',' taginspec 409145510Sdarrenr ; 410145510Sdarrenr 411145510Sdarrenrtaginspec: 412145510Sdarrenr logtag 413145510Sdarrenr ; 414145510Sdarrenr 415145510Sdarrenrnattag: IPFY_NAT '=' YY_STR { DOALL(strncpy(fr->fr_nattag.ipt_tag,\ 416145510Sdarrenr $3, IPFTAG_LEN);); 417145510Sdarrenr free($3); } 418145510Sdarrenr | IPFY_NAT '=' YY_NUMBER { DOALL(sprintf(fr->fr_nattag.ipt_tag,\ 419145510Sdarrenr "%d", $3 & 0xffffffff);) } 420145510Sdarrenr ; 421145510Sdarrenr 422145510Sdarrenrlogtag: IPFY_LOG '=' YY_NUMBER { DOALL(fr->fr_logtag = $3;) } 423145510Sdarrenr ; 424145510Sdarrenr 425145510Sdarrenrsettagout: 426145510Sdarrenr | IPFY_SETTAG '(' tagoutlist ')' 427145510Sdarrenr ; 428145510Sdarrenr 429145510Sdarrenrtagoutlist: 430145510Sdarrenr tagoutspec 431145510Sdarrenr | tagoutlist ',' tagoutspec 432145510Sdarrenr ; 433145510Sdarrenr 434145510Sdarrenrtagoutspec: 435145510Sdarrenr logtag 436145510Sdarrenr | nattag 437145510Sdarrenr ; 438145510Sdarrenr 439145510Sdarrenrmatchtagin: 440145510Sdarrenr | IPFY_MATCHTAG '(' tagoutlist ')' 441145510Sdarrenr ; 442145510Sdarrenr 443145510Sdarrenrmatchtagout: 444145510Sdarrenr | IPFY_MATCHTAG '(' taginlist ')' 445145510Sdarrenr ; 446145510Sdarrenr 447145510Sdarrenrpps: | IPFY_PPS YY_NUMBER { DOALL(fr->fr_pps = $2;) } 448145510Sdarrenr ; 449145510Sdarrenr 450145510Sdarrenrnew: | savegroup file restoregroup 451145510Sdarrenr ; 452145510Sdarrenr 453145510Sdarrenrsavegroup: 454145510Sdarrenr '{' 455145510Sdarrenr ; 456145510Sdarrenr 457145510Sdarrenrrestoregroup: 458145510Sdarrenr '}' 459145510Sdarrenr ; 460145510Sdarrenr 461145510Sdarrenrlogopt: log 462145510Sdarrenr ; 463145510Sdarrenr 464145510Sdarrenrquick: 465145510Sdarrenr IPFY_QUICK { fr->fr_flags |= FR_QUICK; } 466145510Sdarrenr ; 467145510Sdarrenr 468145510Sdarrenron: IPFY_ON onname 469145510Sdarrenr | IPFY_ON onname IPFY_INVIA vianame 470145510Sdarrenr | IPFY_ON onname IPFY_OUTVIA vianame 471145510Sdarrenr ; 472145510Sdarrenr 473145510Sdarrenronname: interfacename 474145510Sdarrenr { strncpy(fr->fr_ifnames[0], $1, sizeof(fr->fr_ifnames[0])); 475145510Sdarrenr free($1); 476145510Sdarrenr } 477145510Sdarrenr | interfacename ',' interfacename 478145510Sdarrenr { strncpy(fr->fr_ifnames[0], $1, sizeof(fr->fr_ifnames[0])); 479145510Sdarrenr free($1); 480145510Sdarrenr strncpy(fr->fr_ifnames[1], $3, sizeof(fr->fr_ifnames[1])); 481145510Sdarrenr free($3); 482145510Sdarrenr } 483145510Sdarrenr ; 484145510Sdarrenr 485145510Sdarrenrvianame: 486145510Sdarrenr name 487145510Sdarrenr { strncpy(fr->fr_ifnames[2], $1, sizeof(fr->fr_ifnames[2])); 488145510Sdarrenr free($1); 489145510Sdarrenr } 490145510Sdarrenr | name ',' name 491145510Sdarrenr { strncpy(fr->fr_ifnames[2], $1, sizeof(fr->fr_ifnames[2])); 492145510Sdarrenr free($1); 493145510Sdarrenr strncpy(fr->fr_ifnames[3], $3, sizeof(fr->fr_ifnames[3])); 494145510Sdarrenr free($3); 495145510Sdarrenr } 496145510Sdarrenr ; 497145510Sdarrenr 498145510Sdarrenrdup: IPFY_DUPTO name 499145510Sdarrenr { strncpy(fr->fr_dif.fd_ifname, $2, sizeof(fr->fr_dif.fd_ifname)); 500145510Sdarrenr free($2); 501145510Sdarrenr } 502145510Sdarrenr | IPFY_DUPTO name duptoseparator hostname 503145510Sdarrenr { strncpy(fr->fr_dif.fd_ifname, $2, sizeof(fr->fr_dif.fd_ifname)); 504145510Sdarrenr fr->fr_dif.fd_ip = $4; 505145510Sdarrenr yyexpectaddr = 0; 506145510Sdarrenr free($2); 507145510Sdarrenr } 508145510Sdarrenr | IPFY_DUPTO name duptoseparator YY_IPV6 509145510Sdarrenr { strncpy(fr->fr_dif.fd_ifname, $2, sizeof(fr->fr_dif.fd_ifname)); 510145510Sdarrenr bcopy(&$4, &fr->fr_dif.fd_ip6, sizeof(fr->fr_dif.fd_ip6)); 511145510Sdarrenr yyexpectaddr = 0; 512145510Sdarrenr free($2); 513145510Sdarrenr } 514145510Sdarrenr ; 515145510Sdarrenr 516145510Sdarrenrduptoseparator: 517145510Sdarrenr ':' { yyexpectaddr = 1; yycont = &yyexpectaddr; resetaddr(); } 518145510Sdarrenr ; 519145510Sdarrenr 520145510Sdarrenrfroute: IPFY_FROUTE { fr->fr_flags |= FR_FASTROUTE; } 521145510Sdarrenr ; 522145510Sdarrenr 523145510Sdarrenrproute: routeto name 524145510Sdarrenr { strncpy(fr->fr_tif.fd_ifname, $2, sizeof(fr->fr_tif.fd_ifname)); 525145510Sdarrenr free($2); 526145510Sdarrenr } 527145510Sdarrenr | routeto name duptoseparator hostname 528145510Sdarrenr { strncpy(fr->fr_tif.fd_ifname, $2, sizeof(fr->fr_tif.fd_ifname)); 529145510Sdarrenr fr->fr_tif.fd_ip = $4; 530145510Sdarrenr yyexpectaddr = 0; 531145510Sdarrenr free($2); 532145510Sdarrenr } 533145510Sdarrenr | routeto name duptoseparator YY_IPV6 534145510Sdarrenr { strncpy(fr->fr_tif.fd_ifname, $2, sizeof(fr->fr_tif.fd_ifname)); 535145510Sdarrenr bcopy(&$4, &fr->fr_tif.fd_ip6, sizeof(fr->fr_tif.fd_ip6)); 536145510Sdarrenr yyexpectaddr = 0; 537145510Sdarrenr free($2); 538145510Sdarrenr } 539145510Sdarrenr ; 540145510Sdarrenr 541145510Sdarrenrrouteto: 542145510Sdarrenr IPFY_TO 543145510Sdarrenr | IPFY_ROUTETO 544145510Sdarrenr ; 545145510Sdarrenr 546145510Sdarrenrreplyto: 547145510Sdarrenr IPFY_REPLY_TO name 548145510Sdarrenr { strncpy(fr->fr_rif.fd_ifname, $2, sizeof(fr->fr_rif.fd_ifname)); 549145510Sdarrenr free($2); 550145510Sdarrenr } 551145510Sdarrenr | IPFY_REPLY_TO name duptoseparator hostname 552145510Sdarrenr { strncpy(fr->fr_rif.fd_ifname, $2, sizeof(fr->fr_rif.fd_ifname)); 553145510Sdarrenr fr->fr_rif.fd_ip = $4; 554145510Sdarrenr free($2); 555145510Sdarrenr } 556145510Sdarrenr ; 557145510Sdarrenr 558145510Sdarrenrlogoptions: 559145510Sdarrenr logoption 560145510Sdarrenr | logoptions logoption 561145510Sdarrenr ; 562145510Sdarrenr 563145510Sdarrenrlogoption: 564145510Sdarrenr IPFY_BODY { fr->fr_flags |= FR_LOGBODY; } 565145510Sdarrenr | IPFY_FIRST { fr->fr_flags |= FR_LOGFIRST; } 566145510Sdarrenr | IPFY_ORBLOCK { fr->fr_flags |= FR_LOGORBLOCK; } 567145510Sdarrenr | level loglevel { unsetsyslog(); } 568145510Sdarrenr ; 569145510Sdarrenr 570145510Sdarrenrreturncode: 571145510Sdarrenr starticmpcode icmpcode ')' { fr->fr_icode = $2; yyresetdict(); } 572145510Sdarrenr ; 573145510Sdarrenr 574145510Sdarrenrstarticmpcode: 575145510Sdarrenr '(' { yysetdict(icmpcodewords); } 576145510Sdarrenr ; 577145510Sdarrenr 578145510Sdarrenrsrcdst: | IPFY_ALL 579145510Sdarrenr | fromto 580145510Sdarrenr ; 581145510Sdarrenr 582145510Sdarrenrprotocol: 583145510Sdarrenr YY_NUMBER { DOREM(fr->fr_proto = $1; \ 584145510Sdarrenr fr->fr_mproto = 0xff;) } 585145510Sdarrenr | YY_STR { if (!strcmp($1, "tcp-udp")) { 586145510Sdarrenr DOREM(fr->fr_flx |= FI_TCPUDP; \ 587145510Sdarrenr fr->fr_mflx |= FI_TCPUDP;) 588145510Sdarrenr } else { 589145510Sdarrenr int p = getproto($1); 590145510Sdarrenr if (p == -1) 591145510Sdarrenr yyerror("protocol unknown"); 592145510Sdarrenr DOREM(fr->fr_proto = p; \ 593145510Sdarrenr fr->fr_mproto = 0xff;) 594145510Sdarrenr } 595145510Sdarrenr free($1); 596145510Sdarrenr } 597145510Sdarrenr | YY_STR nextstring YY_STR 598145510Sdarrenr { if (!strcmp($1, "tcp") && 599145510Sdarrenr !strcmp($3, "udp")) { 600145510Sdarrenr DOREM(fr->fr_flx |= FI_TCPUDP; \ 601145510Sdarrenr fr->fr_mflx |= FI_TCPUDP;) 602145510Sdarrenr } else 603145510Sdarrenr YYERROR; 604145510Sdarrenr free($1); 605145510Sdarrenr free($3); 606145510Sdarrenr } 607145510Sdarrenr ; 608145510Sdarrenr 609145510Sdarrenrnextstring: 610145510Sdarrenr '/' { yysetdict(NULL); } 611145510Sdarrenr ; 612145510Sdarrenr 613145510Sdarrenrfromto: from srcobject to dstobject { yyexpectaddr = 0; yycont = NULL; } 614145510Sdarrenr | to dstobject { yyexpectaddr = 0; yycont = NULL; } 615145510Sdarrenr | from srcobject { yyexpectaddr = 0; yycont = NULL; } 616145510Sdarrenr ; 617145510Sdarrenr 618145510Sdarrenrfrom: IPFY_FROM { setipftype(); 619145510Sdarrenr if (fr == NULL) 620145510Sdarrenr fr = frc; 621145510Sdarrenr yyexpectaddr = 1; 622145510Sdarrenr if (yydebug) 623145510Sdarrenr printf("set yyexpectaddr\n"); 624145510Sdarrenr yycont = &yyexpectaddr; 625145510Sdarrenr yysetdict(addrwords); 626145510Sdarrenr resetaddr(); } 627145510Sdarrenr ; 628145510Sdarrenr 629145510Sdarrenrto: IPFY_TO { if (fr == NULL) 630145510Sdarrenr fr = frc; 631145510Sdarrenr yyexpectaddr = 1; 632145510Sdarrenr if (yydebug) 633145510Sdarrenr printf("set yyexpectaddr\n"); 634145510Sdarrenr yycont = &yyexpectaddr; 635145510Sdarrenr yysetdict(addrwords); 636145510Sdarrenr resetaddr(); } 637145510Sdarrenr ; 638145510Sdarrenr 639145510Sdarrenrwith: | andwith withlist 640145510Sdarrenr ; 641145510Sdarrenr 642145510Sdarrenrandwith: 643145510Sdarrenr IPFY_WITH { nowith = 0; setipftype(); } 644145510Sdarrenr | IPFY_AND { nowith = 0; setipftype(); } 645145510Sdarrenr ; 646145510Sdarrenr 647145510Sdarrenrflags: | startflags flagset 648145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = FR_TCPFMAX;) } 649145510Sdarrenr | startflags flagset '/' flagset 650145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 651145510Sdarrenr | startflags '/' flagset 652145510Sdarrenr { DOALL(fr->fr_tcpf = 0; fr->fr_tcpfm = $3;) } 653145510Sdarrenr | startflags YY_NUMBER 654145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = FR_TCPFMAX;) } 655145510Sdarrenr | startflags '/' YY_NUMBER 656145510Sdarrenr { DOALL(fr->fr_tcpf = 0; fr->fr_tcpfm = $3;) } 657145510Sdarrenr | startflags YY_NUMBER '/' YY_NUMBER 658145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 659145510Sdarrenr | startflags flagset '/' YY_NUMBER 660145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 661145510Sdarrenr | startflags YY_NUMBER '/' flagset 662145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 663145510Sdarrenr ; 664145510Sdarrenr 665145510Sdarrenrstartflags: 666145510Sdarrenr IPFY_FLAGS { if (frc->fr_type != FR_T_IPF) 667145510Sdarrenr yyerror("flags with non-ipf type rule"); 668145510Sdarrenr if (frc->fr_proto != IPPROTO_TCP) 669145510Sdarrenr yyerror("flags with non-TCP rule"); 670145510Sdarrenr } 671145510Sdarrenr ; 672145510Sdarrenr 673145510Sdarrenrflagset: 674145510Sdarrenr YY_STR { $$ = tcpflags($1); free($1); } 675145510Sdarrenr | YY_HEX { $$ = $1; } 676145510Sdarrenr ; 677145510Sdarrenr 678145510Sdarrenrsrcobject: 679145510Sdarrenr { yyresetdict(); } fromport 680145510Sdarrenr | srcaddr srcport 681145510Sdarrenr | '!' srcaddr srcport 682145510Sdarrenr { DOALL(fr->fr_flags |= FR_NOTSRCIP;) } 683145510Sdarrenr ; 684145510Sdarrenr 685145510Sdarrenrsrcaddr: 686145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_src, sizeof($1.a)); \ 687145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_src, sizeof($1.m)); \ 688145510Sdarrenr if (dynamic != -1) { \ 689145510Sdarrenr fr->fr_satype = ifpflag; \ 690145510Sdarrenr fr->fr_ipf->fri_sifpidx = dynamic; \ 691145510Sdarrenr } else if (pooled || hashed) \ 692145510Sdarrenr fr->fr_satype = FRI_LOOKUP;) 693145510Sdarrenr } 694145510Sdarrenr | lstart srcaddrlist lend 695145510Sdarrenr ; 696145510Sdarrenr 697145510Sdarrenrsrcaddrlist: 698145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_src, sizeof($1.a)); \ 699145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_src, sizeof($1.m)); \ 700145510Sdarrenr if (dynamic != -1) { \ 701145510Sdarrenr fr->fr_satype = ifpflag; \ 702145510Sdarrenr fr->fr_ipf->fri_sifpidx = dynamic; \ 703145510Sdarrenr } else if (pooled || hashed) \ 704145510Sdarrenr fr->fr_satype = FRI_LOOKUP;) 705145510Sdarrenr } 706145510Sdarrenr | srcaddrlist lmore addr 707145510Sdarrenr { DOREM(bcopy(&($3.a), &fr->fr_ip.fi_src, sizeof($3.a)); \ 708145510Sdarrenr bcopy(&($3.m), &fr->fr_mip.fi_src, sizeof($3.m)); \ 709145510Sdarrenr if (dynamic != -1) { \ 710145510Sdarrenr fr->fr_satype = ifpflag; \ 711145510Sdarrenr fr->fr_ipf->fri_sifpidx = dynamic; \ 712145510Sdarrenr } else if (pooled || hashed) \ 713145510Sdarrenr fr->fr_satype = FRI_LOOKUP;) 714145510Sdarrenr } 715145510Sdarrenr ; 716145510Sdarrenr 717145510Sdarrenrsrcport: 718145510Sdarrenr | portcomp 719145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1;) } 720145510Sdarrenr | portrange 721145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1; \ 722145510Sdarrenr fr->fr_stop = $1.p2;) } 723145510Sdarrenr | porteq lstart srcportlist lend 724145510Sdarrenr { yyresetdict(); } 725145510Sdarrenr ; 726145510Sdarrenr 727145510Sdarrenrfromport: 728145510Sdarrenr portcomp 729145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1;) } 730145510Sdarrenr | portrange 731145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1; \ 732145510Sdarrenr fr->fr_stop = $1.p2;) } 733145510Sdarrenr | porteq lstart srcportlist lend 734145510Sdarrenr { yyresetdict(); } 735145510Sdarrenr ; 736145510Sdarrenr 737145510Sdarrenrsrcportlist: 738145510Sdarrenr portnum { DOREM(fr->fr_scmp = FR_EQUAL; fr->fr_sport = $1;) } 739145510Sdarrenr | srcportlist lmore portnum 740145510Sdarrenr { DOREM(fr->fr_scmp = FR_EQUAL; fr->fr_sport = $3;) } 741145510Sdarrenr ; 742145510Sdarrenr 743145510Sdarrenrdstobject: 744145510Sdarrenr { yyresetdict(); } toport 745145510Sdarrenr | dstaddr dstport 746145510Sdarrenr | '!' dstaddr dstport 747145510Sdarrenr { DOALL(fr->fr_flags |= FR_NOTDSTIP;) } 748145510Sdarrenr ; 749145510Sdarrenr 750145510Sdarrenrdstaddr: 751145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_dst, sizeof($1.a)); \ 752145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_dst, sizeof($1.m)); \ 753145510Sdarrenr if (dynamic != -1) { \ 754145510Sdarrenr fr->fr_datype = ifpflag; \ 755145510Sdarrenr fr->fr_ipf->fri_difpidx = dynamic; \ 756145510Sdarrenr } else if (pooled || hashed) \ 757145510Sdarrenr fr->fr_datype = FRI_LOOKUP;) 758145510Sdarrenr } 759145510Sdarrenr | lstart dstaddrlist lend 760145510Sdarrenr ; 761145510Sdarrenr 762145510Sdarrenrdstaddrlist: 763145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_dst, sizeof($1.a)); \ 764145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_dst, sizeof($1.m)); \ 765145510Sdarrenr if (dynamic != -1) { \ 766145510Sdarrenr fr->fr_datype = ifpflag; \ 767145510Sdarrenr fr->fr_ipf->fri_difpidx = dynamic; \ 768145510Sdarrenr } else if (pooled || hashed) \ 769145510Sdarrenr fr->fr_datype = FRI_LOOKUP;) 770145510Sdarrenr } 771145510Sdarrenr | dstaddrlist lmore addr 772145510Sdarrenr { DOREM(bcopy(&($3.a), &fr->fr_ip.fi_dst, sizeof($3.a)); \ 773145510Sdarrenr bcopy(&($3.m), &fr->fr_mip.fi_dst, sizeof($3.m)); \ 774145510Sdarrenr if (dynamic != -1) { \ 775145510Sdarrenr fr->fr_datype = ifpflag; \ 776145510Sdarrenr fr->fr_ipf->fri_difpidx = dynamic; \ 777145510Sdarrenr } else if (pooled || hashed) \ 778145510Sdarrenr fr->fr_datype = FRI_LOOKUP;) 779145510Sdarrenr } 780145510Sdarrenr ; 781145510Sdarrenr 782145510Sdarrenr 783145510Sdarrenrdstport: 784145510Sdarrenr | portcomp 785145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1;) } 786145510Sdarrenr | portrange 787145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1; \ 788145510Sdarrenr fr->fr_dtop = $1.p2;) } 789145510Sdarrenr | porteq lstart dstportlist lend 790145510Sdarrenr { yyresetdict(); } 791145510Sdarrenr ; 792145510Sdarrenr 793145510Sdarrenrtoport: 794145510Sdarrenr portcomp 795145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1;) } 796145510Sdarrenr | portrange 797145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1; \ 798145510Sdarrenr fr->fr_dtop = $1.p2;) } 799145510Sdarrenr | porteq lstart dstportlist lend 800145510Sdarrenr { yyresetdict(); } 801145510Sdarrenr ; 802145510Sdarrenr 803145510Sdarrenrdstportlist: 804145510Sdarrenr portnum { DOREM(fr->fr_dcmp = FR_EQUAL; fr->fr_dport = $1;) } 805145510Sdarrenr | dstportlist lmore portnum 806145510Sdarrenr { DOREM(fr->fr_dcmp = FR_EQUAL; fr->fr_dport = $3;) } 807145510Sdarrenr ; 808145510Sdarrenr 809145510Sdarrenraddr: pool '/' YY_NUMBER { pooled = 1; 810145510Sdarrenr yyexpectaddr = 0; 811145510Sdarrenr $$.a.iplookuptype = IPLT_POOL; 812145510Sdarrenr $$.a.iplookupnum = $3; } 813145510Sdarrenr | pool '=' '(' poollist ')' { pooled = 1; 814145510Sdarrenr yyexpectaddr = 0; 815145510Sdarrenr $$.a.iplookuptype = IPLT_POOL; 816145510Sdarrenr $$.a.iplookupnum = makepool($4); } 817145510Sdarrenr | hash '/' YY_NUMBER { hashed = 1; 818145510Sdarrenr yyexpectaddr = 0; 819145510Sdarrenr $$.a.iplookuptype = IPLT_HASH; 820145510Sdarrenr $$.a.iplookupnum = $3; } 821145510Sdarrenr | hash '=' '(' addrlist ')' { hashed = 1; 822145510Sdarrenr yyexpectaddr = 0; 823145510Sdarrenr $$.a.iplookuptype = IPLT_HASH; 824145510Sdarrenr $$.a.iplookupnum = makehash($4); } 825145510Sdarrenr | ipaddr { bcopy(&$1, &$$, sizeof($$)); 826145510Sdarrenr yyexpectaddr = 0; } 827145510Sdarrenr ; 828145510Sdarrenr 829145510Sdarrenripaddr: IPFY_ANY { bzero(&($$), sizeof($$)); 830145510Sdarrenr yyresetdict(); 831145510Sdarrenr yyexpectaddr = 0; } 832145510Sdarrenr | hostname { $$.a.in4 = $1; 833145510Sdarrenr $$.m.in4_addr = 0xffffffff; 834145510Sdarrenr yyexpectaddr = 0; } 835145510Sdarrenr | hostname { yyresetdict(); 836145510Sdarrenr $$.a.in4_addr = $1.s_addr; } 837145510Sdarrenr maskspace { yysetdict(maskwords); } 838145510Sdarrenr ipv4mask { $$.m.in4_addr = $5.s_addr; 839145510Sdarrenr $$.a.in4_addr &= $5.s_addr; 840145510Sdarrenr yyresetdict(); 841145510Sdarrenr yyexpectaddr = 0; } 842145510Sdarrenr | YY_IPV6 { bcopy(&$1, &$$.a, sizeof($$.a)); 843145510Sdarrenr fill6bits(128, (u_32_t *)&$$.m); 844145510Sdarrenr yyresetdict(); 845145510Sdarrenr yyexpectaddr = 0; } 846145510Sdarrenr | YY_IPV6 { yyresetdict(); 847145510Sdarrenr bcopy(&$1, &$$.a, sizeof($$.a)); } 848145510Sdarrenr maskspace { yysetdict(maskwords); } 849145510Sdarrenr ipv6mask { bcopy(&$5, &$$.m, sizeof($$.m)); 850145510Sdarrenr yyresetdict(); 851145510Sdarrenr yyexpectaddr = 0; } 852145510Sdarrenr ; 853145510Sdarrenrmaskspace: 854145510Sdarrenr '/' 855145510Sdarrenr | IPFY_MASK 856145510Sdarrenr ; 857145510Sdarrenr 858145510Sdarrenripv4mask: 859145510Sdarrenr ipv4 { $$ = $1; } 860145510Sdarrenr | YY_HEX { $$.s_addr = htonl($1); } 861145510Sdarrenr | YY_NUMBER { ntomask(4, $1, (u_32_t *)&$$); } 862145510Sdarrenr | IPFY_BROADCAST { if (ifpflag == FRI_DYNAMIC) { 863145510Sdarrenr $$.s_addr = 0; 864145510Sdarrenr ifpflag = FRI_BROADCAST; 865145510Sdarrenr } else 866145510Sdarrenr YYERROR; 867145510Sdarrenr } 868145510Sdarrenr | IPFY_NETWORK { if (ifpflag == FRI_DYNAMIC) { 869145510Sdarrenr $$.s_addr = 0; 870145510Sdarrenr ifpflag = FRI_NETWORK; 871145510Sdarrenr } else 872145510Sdarrenr YYERROR; 873145510Sdarrenr } 874145510Sdarrenr | IPFY_NETMASKED { if (ifpflag == FRI_DYNAMIC) { 875145510Sdarrenr $$.s_addr = 0; 876145510Sdarrenr ifpflag = FRI_NETMASKED; 877145510Sdarrenr } else 878145510Sdarrenr YYERROR; 879145510Sdarrenr } 880145510Sdarrenr | IPFY_PEER { if (ifpflag == FRI_DYNAMIC) { 881145510Sdarrenr $$.s_addr = 0; 882145510Sdarrenr ifpflag = FRI_PEERADDR; 883145510Sdarrenr } else 884145510Sdarrenr YYERROR; 885145510Sdarrenr } 886145510Sdarrenr ; 887145510Sdarrenr 888145510Sdarrenripv6mask: 889145510Sdarrenr YY_NUMBER { ntomask(6, $1, $$.i6); } 890145510Sdarrenr | IPFY_BROADCAST { if (ifpflag == FRI_DYNAMIC) { 891145510Sdarrenr bzero(&$$, sizeof($$)); 892145510Sdarrenr ifpflag = FRI_BROADCAST; 893145510Sdarrenr } else 894145510Sdarrenr YYERROR; 895145510Sdarrenr } 896145510Sdarrenr | IPFY_NETWORK { if (ifpflag == FRI_DYNAMIC) { 897145510Sdarrenr bzero(&$$, sizeof($$)); 898145510Sdarrenr ifpflag = FRI_BROADCAST; 899145510Sdarrenr } else 900145510Sdarrenr YYERROR; 901145510Sdarrenr } 902145510Sdarrenr | IPFY_NETMASKED { if (ifpflag == FRI_DYNAMIC) { 903145510Sdarrenr bzero(&$$, sizeof($$)); 904145510Sdarrenr ifpflag = FRI_BROADCAST; 905145510Sdarrenr } else 906145510Sdarrenr YYERROR; 907145510Sdarrenr } 908145510Sdarrenr | IPFY_PEER { if (ifpflag == FRI_DYNAMIC) { 909145510Sdarrenr bzero(&$$, sizeof($$)); 910145510Sdarrenr ifpflag = FRI_BROADCAST; 911145510Sdarrenr } else 912145510Sdarrenr YYERROR; 913145510Sdarrenr } 914145510Sdarrenr ; 915145510Sdarrenr 916145510Sdarrenrhostname: 917145510Sdarrenr ipv4 { $$ = $1; } 918145510Sdarrenr | YY_NUMBER { $$.s_addr = $1; } 919145510Sdarrenr | YY_HEX { $$.s_addr = $1; } 920145510Sdarrenr | YY_STR { $$.s_addr = lookuphost($1); 921145510Sdarrenr free($1); 922145510Sdarrenr } 923145510Sdarrenr ; 924145510Sdarrenr 925145510Sdarrenraddrlist: 926145510Sdarrenr ipaddr { $$ = newalist(NULL); 927145510Sdarrenr bcopy(&($1.a), &($$->al_i6addr), sizeof($1.a)); 928145510Sdarrenr bcopy(&($1.m), &($$->al_i6mask), sizeof($1.m)); } 929145510Sdarrenr | addrlist ',' ipaddr 930145510Sdarrenr { $$ = newalist($1); 931145510Sdarrenr bcopy(&($3.a), &($$->al_i6addr), sizeof($3.a)); 932145510Sdarrenr bcopy(&($3.m), &($$->al_i6mask), sizeof($3.m)); } 933145510Sdarrenr ; 934145510Sdarrenr 935145510Sdarrenrpool: IPFY_POOL { yyexpectaddr = 0; yycont = NULL; yyresetdict(); } 936145510Sdarrenr ; 937145510Sdarrenr 938145510Sdarrenrhash: IPFY_HASH { yyexpectaddr = 0; yycont = NULL; yyresetdict(); } 939145510Sdarrenr ; 940145510Sdarrenr 941145510Sdarrenrpoollist: 942145510Sdarrenr ipaddr { $$ = newalist(NULL); 943145510Sdarrenr bcopy(&($1.a), &($$->al_i6addr), sizeof($1.a)); 944145510Sdarrenr bcopy(&($1.m), &($$->al_i6mask), sizeof($1.m)); } 945145510Sdarrenr | '!' ipaddr { $$ = newalist(NULL); 946145510Sdarrenr $$->al_not = 1; 947145510Sdarrenr bcopy(&($2.a), &($$->al_i6addr), sizeof($2.a)); 948145510Sdarrenr bcopy(&($2.m), &($$->al_i6mask), sizeof($2.m)); } 949145510Sdarrenr | poollist ',' ipaddr 950145510Sdarrenr { $$ = newalist($1); 951145510Sdarrenr bcopy(&($3.a), &($$->al_i6addr), sizeof($3.a)); 952145510Sdarrenr bcopy(&($3.m), &($$->al_i6mask), sizeof($3.m)); } 953145510Sdarrenr | poollist ',' '!' ipaddr 954145510Sdarrenr { $$ = newalist($1); 955145510Sdarrenr $$->al_not = 1; 956145510Sdarrenr bcopy(&($4.a), &($$->al_i6addr), sizeof($4.a)); 957145510Sdarrenr bcopy(&($4.m), &($$->al_i6mask), sizeof($4.m)); } 958145510Sdarrenr ; 959145510Sdarrenr 960145510Sdarrenrport: IPFY_PORT { yyexpectaddr = 0; 961145510Sdarrenr yycont = NULL; 962145510Sdarrenr } 963145510Sdarrenr ; 964145510Sdarrenr 965145510Sdarrenrportc: port compare { $$ = $2; 966145510Sdarrenr yysetdict(NULL); } 967145510Sdarrenr | porteq { $$ = $1; } 968145510Sdarrenr ; 969145510Sdarrenr 970145510Sdarrenrporteq: port '=' { $$ = FR_EQUAL; 971145510Sdarrenr yysetdict(NULL); } 972145510Sdarrenr ; 973145510Sdarrenr 974145510Sdarrenrportr: IPFY_PORT { yyexpectaddr = 0; 975145510Sdarrenr yycont = NULL; 976145510Sdarrenr yysetdict(NULL); } 977145510Sdarrenr ; 978145510Sdarrenr 979145510Sdarrenrportcomp: 980145510Sdarrenr portc portnum { $$.pc = $1; 981145510Sdarrenr $$.p1 = $2; 982145510Sdarrenr yyresetdict(); } 983145510Sdarrenr ; 984145510Sdarrenr 985145510Sdarrenrportrange: 986145510Sdarrenr portr portnum range portnum { $$.p1 = $2; 987145510Sdarrenr $$.pc = $3; 988145510Sdarrenr $$.p2 = $4; 989145510Sdarrenr yyresetdict(); } 990145510Sdarrenr ; 991145510Sdarrenr 992145510Sdarrenricmp: | itype icode 993145510Sdarrenr ; 994145510Sdarrenr 995145510Sdarrenritype: seticmptype icmptype 996145510Sdarrenr { DOALL(fr->fr_icmp = htons($2 << 8); fr->fr_icmpm = htons(0xff00);); 997145510Sdarrenr yyresetdict(); 998145510Sdarrenr } 999145510Sdarrenr | seticmptype lstart typelist lend { yyresetdict(); } 1000145510Sdarrenr ; 1001145510Sdarrenr 1002145510Sdarrenrseticmptype: 1003145510Sdarrenr IPFY_ICMPTYPE { setipftype(); 1004145510Sdarrenr yysetdict(icmptypewords); } 1005145510Sdarrenr ; 1006145510Sdarrenr 1007145510Sdarrenricode: | seticmpcode icmpcode 1008145510Sdarrenr { DOALL(fr->fr_icmp |= htons($2); fr->fr_icmpm |= htons(0xff);); 1009145510Sdarrenr yyresetdict(); 1010145510Sdarrenr } 1011145510Sdarrenr | seticmpcode lstart codelist lend { yyresetdict(); } 1012145510Sdarrenr ; 1013145510Sdarrenr 1014145510Sdarrenrseticmpcode: 1015145510Sdarrenr IPFY_ICMPCODE { yysetdict(icmpcodewords); } 1016145510Sdarrenr ; 1017145510Sdarrenr 1018145510Sdarrenrtypelist: 1019145510Sdarrenr icmptype 1020145510Sdarrenr { DOREM(fr->fr_icmp = htons($1 << 8); fr->fr_icmpm = htons(0xff00);) } 1021145510Sdarrenr | typelist lmore icmptype 1022145510Sdarrenr { DOREM(fr->fr_icmp = htons($3 << 8); fr->fr_icmpm = htons(0xff00);) } 1023145510Sdarrenr ; 1024145510Sdarrenr 1025145510Sdarrenrcodelist: 1026145510Sdarrenr icmpcode 1027145510Sdarrenr { DOREM(fr->fr_icmp |= htons($1); fr->fr_icmpm |= htons(0xff);) } 1028145510Sdarrenr | codelist lmore icmpcode 1029145510Sdarrenr { DOREM(fr->fr_icmp |= htons($3); fr->fr_icmpm |= htons(0xff);) } 1030145510Sdarrenr ; 1031145510Sdarrenr 1032145510Sdarrenrage: | IPFY_AGE YY_NUMBER { DOALL(fr->fr_age[0] = $2; \ 1033145510Sdarrenr fr->fr_age[1] = $2;) } 1034145510Sdarrenr | IPFY_AGE YY_NUMBER '/' YY_NUMBER 1035145510Sdarrenr { DOALL(fr->fr_age[0] = $2; \ 1036145510Sdarrenr fr->fr_age[1] = $4;) } 1037145510Sdarrenr ; 1038145510Sdarrenr 1039145510Sdarrenrkeep: | IPFY_KEEP keepstate keep 1040145510Sdarrenr | IPFY_KEEP keepfrag keep 1041145510Sdarrenr ; 1042145510Sdarrenr 1043145510Sdarrenrkeepstate: 1044145510Sdarrenr IPFY_STATE stateoptlist { DOALL(fr->fr_flags |= FR_KEEPSTATE;)} 1045145510Sdarrenr ; 1046145510Sdarrenr 1047145510Sdarrenrkeepfrag: 1048145510Sdarrenr IPFY_FRAGS fragoptlist { DOALL(fr->fr_flags |= FR_KEEPFRAG;) } 1049145510Sdarrenr | IPFY_FRAG fragoptlist { DOALL(fr->fr_flags |= FR_KEEPFRAG;) } 1050145510Sdarrenr ; 1051145510Sdarrenr 1052145510Sdarrenrfragoptlist: 1053145510Sdarrenr | '(' fragopts ')' 1054145510Sdarrenr ; 1055145510Sdarrenr 1056145510Sdarrenrfragopts: 1057145510Sdarrenr fragopt lanother fragopts 1058145510Sdarrenr | fragopt 1059145510Sdarrenr ; 1060145510Sdarrenr 1061145510Sdarrenrfragopt: 1062145510Sdarrenr IPFY_STRICT { DOALL(fr->fr_flags |= FR_FRSTRICT;) } 1063145510Sdarrenr ; 1064145510Sdarrenr 1065145510Sdarrenrstateoptlist: 1066145510Sdarrenr | '(' stateopts ')' 1067145510Sdarrenr ; 1068145510Sdarrenr 1069145510Sdarrenrstateopts: 1070145510Sdarrenr stateopt lanother stateopts 1071145510Sdarrenr | stateopt 1072145510Sdarrenr ; 1073145510Sdarrenr 1074145510Sdarrenrstateopt: 1075145510Sdarrenr IPFY_LIMIT YY_NUMBER { DOALL(fr->fr_statemax = $2;) } 1076145510Sdarrenr | IPFY_STRICT { DOALL(if (fr->fr_proto != IPPROTO_TCP) { \ 1077145510Sdarrenr YYERROR; \ 1078145510Sdarrenr } else \ 1079145510Sdarrenr fr->fr_flags |= FR_STSTRICT;) 1080145510Sdarrenr } 1081145510Sdarrenr | IPFY_NEWISN { DOALL(if (fr->fr_proto != IPPROTO_TCP) { \ 1082145510Sdarrenr YYERROR; \ 1083145510Sdarrenr } else \ 1084145510Sdarrenr fr->fr_flags |= FR_NEWISN;) 1085145510Sdarrenr } 1086145510Sdarrenr | IPFY_NOICMPERR { DOALL(fr->fr_flags |= FR_NOICMPERR;) } 1087145510Sdarrenr 1088145510Sdarrenr | IPFY_SYNC { DOALL(fr->fr_flags |= FR_STATESYNC;) } 1089145510Sdarrenr ; 1090145510Sdarrenr 1091145510Sdarrenrportnum: 1092145510Sdarrenr servicename { if (getport(frc, $1, &($$)) == -1) 1093145510Sdarrenr yyerror("service unknown"); 1094145510Sdarrenr $$ = ntohs($$); 1095145510Sdarrenr free($1); 1096145510Sdarrenr } 1097145510Sdarrenr | YY_NUMBER { if ($1 > 65535) /* Unsigned */ 1098145510Sdarrenr yyerror("invalid port number"); 1099145510Sdarrenr else 1100145510Sdarrenr $$ = $1; 1101145510Sdarrenr } 1102145510Sdarrenr ; 1103145510Sdarrenr 1104145510Sdarrenrwithlist: 1105145510Sdarrenr withopt 1106145510Sdarrenr | withlist withopt 1107145510Sdarrenr | withlist ',' withopt 1108145510Sdarrenr ; 1109145510Sdarrenr 1110145510Sdarrenrwithopt: 1111145510Sdarrenr opttype { DOALL(fr->fr_flx |= $1; fr->fr_mflx |= $1;) } 1112145510Sdarrenr | notwith opttype 1113145510Sdarrenr { DOALL(fr->fr_mflx |= $2;) } 1114145510Sdarrenr | ipopt ipopts { yyresetdict(); } 1115145510Sdarrenr | notwith ipopt ipopts { yyresetdict(); } 1116145510Sdarrenr | startv6hdrs ipv6hdrs { yyresetdict(); } 1117145510Sdarrenr ; 1118145510Sdarrenr 1119145510Sdarrenripopt: IPFY_OPT { yysetdict(ipv4optwords); } 1120145510Sdarrenr ; 1121145510Sdarrenr 1122145510Sdarrenrstartv6hdrs: 1123145510Sdarrenr IPF6_V6HDRS { if (use_inet6 == 0) 1124145510Sdarrenr yyerror("only available with IPv6"); 1125145510Sdarrenr yysetdict(ipv6optwords); 1126145510Sdarrenr } 1127145510Sdarrenr ; 1128145510Sdarrenr 1129145510Sdarrenrnotwith: 1130145510Sdarrenr IPFY_NOT { nowith = 1; } 1131145510Sdarrenr | IPFY_NO { nowith = 1; } 1132145510Sdarrenr ; 1133145510Sdarrenr 1134145510Sdarrenropttype: 1135145510Sdarrenr IPFY_IPOPTS { $$ = FI_OPTIONS; } 1136145510Sdarrenr | IPFY_SHORT { $$ = FI_SHORT; } 1137145510Sdarrenr | IPFY_NAT { $$ = FI_NATED; } 1138145510Sdarrenr | IPFY_BAD { $$ = FI_BAD; } 1139145510Sdarrenr | IPFY_BADNAT { $$ = FI_BADNAT; } 1140145510Sdarrenr | IPFY_BADSRC { $$ = FI_BADSRC; } 1141145510Sdarrenr | IPFY_LOWTTL { $$ = FI_LOWTTL; } 1142145510Sdarrenr | IPFY_FRAG { $$ = FI_FRAG; } 1143145510Sdarrenr | IPFY_FRAGBODY { $$ = FI_FRAGBODY; } 1144145510Sdarrenr | IPFY_FRAGS { $$ = FI_FRAG; } 1145145510Sdarrenr | IPFY_MBCAST { $$ = FI_MBCAST; } 1146145510Sdarrenr | IPFY_MULTICAST { $$ = FI_MULTICAST; } 1147145510Sdarrenr | IPFY_BROADCAST { $$ = FI_BROADCAST; } 1148145510Sdarrenr | IPFY_STATE { $$ = FI_STATE; } 1149145510Sdarrenr | IPFY_OOW { $$ = FI_OOW; } 1150145510Sdarrenr ; 1151145510Sdarrenr 1152145510Sdarrenripopts: optlist { DOALL(fr->fr_mip.fi_optmsk |= $1; 1153145510Sdarrenr if (!nowith) 1154145510Sdarrenr fr->fr_ip.fi_optmsk |= $1;) 1155145510Sdarrenr } 1156145510Sdarrenr ; 1157145510Sdarrenr 1158145510Sdarrenroptlist: 1159145510Sdarrenr opt { $$ |= $1; } 1160145510Sdarrenr | optlist ',' opt { $$ |= $1 | $3; } 1161145510Sdarrenr ; 1162145510Sdarrenr 1163145510Sdarrenripv6hdrs: 1164145510Sdarrenr ipv6hdrlist { DOALL(fr->fr_mip.fi_optmsk |= $1; 1165145510Sdarrenr if (!nowith) 1166145510Sdarrenr fr->fr_ip.fi_optmsk |= $1;) 1167145510Sdarrenr } 1168145510Sdarrenr ; 1169145510Sdarrenr 1170145510Sdarrenripv6hdrlist: 1171145510Sdarrenr ipv6hdr { $$ |= $1; } 1172145510Sdarrenr | ipv6hdrlist ',' ipv6hdr { $$ |= $1 | $3; } 1173145510Sdarrenr ; 1174145510Sdarrenr 1175145510Sdarrenrsecname: 1176145510Sdarrenr seclevel { $$ |= $1; } 1177145510Sdarrenr | secname ',' seclevel { $$ |= $1 | $3; } 1178145510Sdarrenr ; 1179145510Sdarrenr 1180145510Sdarrenrseclevel: 1181145510Sdarrenr IPFY_SEC_UNC { $$ = secbit(IPSO_CLASS_UNCL); } 1182145510Sdarrenr | IPFY_SEC_CONF { $$ = secbit(IPSO_CLASS_CONF); } 1183145510Sdarrenr | IPFY_SEC_RSV1 { $$ = secbit(IPSO_CLASS_RES1); } 1184145510Sdarrenr | IPFY_SEC_RSV2 { $$ = secbit(IPSO_CLASS_RES2); } 1185145510Sdarrenr | IPFY_SEC_RSV3 { $$ = secbit(IPSO_CLASS_RES3); } 1186145510Sdarrenr | IPFY_SEC_RSV4 { $$ = secbit(IPSO_CLASS_RES4); } 1187145510Sdarrenr | IPFY_SEC_SEC { $$ = secbit(IPSO_CLASS_SECR); } 1188145510Sdarrenr | IPFY_SEC_TS { $$ = secbit(IPSO_CLASS_TOPS); } 1189145510Sdarrenr ; 1190145510Sdarrenr 1191145510Sdarrenricmptype: 1192145510Sdarrenr YY_NUMBER { $$ = $1; } 1193145510Sdarrenr | IPFY_ICMPT_UNR { $$ = ICMP_UNREACH; } 1194145510Sdarrenr | IPFY_ICMPT_ECHO { $$ = ICMP_ECHO; } 1195145510Sdarrenr | IPFY_ICMPT_ECHOR { $$ = ICMP_ECHOREPLY; } 1196145510Sdarrenr | IPFY_ICMPT_SQUENCH { $$ = ICMP_SOURCEQUENCH; } 1197145510Sdarrenr | IPFY_ICMPT_REDIR { $$ = ICMP_REDIRECT; } 1198145510Sdarrenr | IPFY_ICMPT_TIMEX { $$ = ICMP_TIMXCEED; } 1199145510Sdarrenr | IPFY_ICMPT_PARAMP { $$ = ICMP_PARAMPROB; } 1200145510Sdarrenr | IPFY_ICMPT_TIMEST { $$ = ICMP_TSTAMP; } 1201145510Sdarrenr | IPFY_ICMPT_TIMESTREP { $$ = ICMP_TSTAMPREPLY; } 1202145510Sdarrenr | IPFY_ICMPT_INFOREQ { $$ = ICMP_IREQ; } 1203145510Sdarrenr | IPFY_ICMPT_INFOREP { $$ = ICMP_IREQREPLY; } 1204145510Sdarrenr | IPFY_ICMPT_MASKREQ { $$ = ICMP_MASKREQ; } 1205145510Sdarrenr | IPFY_ICMPT_MASKREP { $$ = ICMP_MASKREPLY; } 1206145510Sdarrenr | IPFY_ICMPT_ROUTERAD { $$ = ICMP_ROUTERADVERT; } 1207145510Sdarrenr | IPFY_ICMPT_ROUTERSOL { $$ = ICMP_ROUTERSOLICIT; } 1208145510Sdarrenr ; 1209145510Sdarrenr 1210145510Sdarrenricmpcode: 1211145510Sdarrenr YY_NUMBER { $$ = $1; } 1212145510Sdarrenr | IPFY_ICMPC_NETUNR { $$ = ICMP_UNREACH_NET; } 1213145510Sdarrenr | IPFY_ICMPC_HSTUNR { $$ = ICMP_UNREACH_HOST; } 1214145510Sdarrenr | IPFY_ICMPC_PROUNR { $$ = ICMP_UNREACH_PROTOCOL; } 1215145510Sdarrenr | IPFY_ICMPC_PORUNR { $$ = ICMP_UNREACH_PORT; } 1216145510Sdarrenr | IPFY_ICMPC_NEEDF { $$ = ICMP_UNREACH_NEEDFRAG; } 1217145510Sdarrenr | IPFY_ICMPC_SRCFAIL { $$ = ICMP_UNREACH_SRCFAIL; } 1218145510Sdarrenr | IPFY_ICMPC_NETUNK { $$ = ICMP_UNREACH_NET_UNKNOWN; } 1219145510Sdarrenr | IPFY_ICMPC_HSTUNK { $$ = ICMP_UNREACH_HOST_UNKNOWN; } 1220145510Sdarrenr | IPFY_ICMPC_ISOLATE { $$ = ICMP_UNREACH_ISOLATED; } 1221145510Sdarrenr | IPFY_ICMPC_NETPRO { $$ = ICMP_UNREACH_NET_PROHIB; } 1222145510Sdarrenr | IPFY_ICMPC_HSTPRO { $$ = ICMP_UNREACH_HOST_PROHIB; } 1223145510Sdarrenr | IPFY_ICMPC_NETTOS { $$ = ICMP_UNREACH_TOSNET; } 1224145510Sdarrenr | IPFY_ICMPC_HSTTOS { $$ = ICMP_UNREACH_TOSHOST; } 1225145510Sdarrenr | IPFY_ICMPC_FLTPRO { $$ = ICMP_UNREACH_ADMIN_PROHIBIT; } 1226145510Sdarrenr | IPFY_ICMPC_HSTPRE { $$ = 14; } 1227145510Sdarrenr | IPFY_ICMPC_CUTPRE { $$ = 15; } 1228145510Sdarrenr ; 1229145510Sdarrenr 1230145510Sdarrenropt: 1231145510Sdarrenr IPFY_IPOPT_NOP { $$ = getoptbyvalue(IPOPT_NOP); } 1232145510Sdarrenr | IPFY_IPOPT_RR { $$ = getoptbyvalue(IPOPT_RR); } 1233145510Sdarrenr | IPFY_IPOPT_ZSU { $$ = getoptbyvalue(IPOPT_ZSU); } 1234145510Sdarrenr | IPFY_IPOPT_MTUP { $$ = getoptbyvalue(IPOPT_MTUP); } 1235145510Sdarrenr | IPFY_IPOPT_MTUR { $$ = getoptbyvalue(IPOPT_MTUR); } 1236145510Sdarrenr | IPFY_IPOPT_ENCODE { $$ = getoptbyvalue(IPOPT_ENCODE); } 1237145510Sdarrenr | IPFY_IPOPT_TS { $$ = getoptbyvalue(IPOPT_TS); } 1238145510Sdarrenr | IPFY_IPOPT_TR { $$ = getoptbyvalue(IPOPT_TR); } 1239145510Sdarrenr | IPFY_IPOPT_SEC { $$ = getoptbyvalue(IPOPT_SECURITY); } 1240145510Sdarrenr | IPFY_IPOPT_LSRR { $$ = getoptbyvalue(IPOPT_LSRR); } 1241145510Sdarrenr | IPFY_IPOPT_ESEC { $$ = getoptbyvalue(IPOPT_E_SEC); } 1242145510Sdarrenr | IPFY_IPOPT_CIPSO { $$ = getoptbyvalue(IPOPT_CIPSO); } 1243145510Sdarrenr | IPFY_IPOPT_SATID { $$ = getoptbyvalue(IPOPT_SATID); } 1244145510Sdarrenr | IPFY_IPOPT_SSRR { $$ = getoptbyvalue(IPOPT_SSRR); } 1245145510Sdarrenr | IPFY_IPOPT_ADDEXT { $$ = getoptbyvalue(IPOPT_ADDEXT); } 1246145510Sdarrenr | IPFY_IPOPT_VISA { $$ = getoptbyvalue(IPOPT_VISA); } 1247145510Sdarrenr | IPFY_IPOPT_IMITD { $$ = getoptbyvalue(IPOPT_IMITD); } 1248145510Sdarrenr | IPFY_IPOPT_EIP { $$ = getoptbyvalue(IPOPT_EIP); } 1249145510Sdarrenr | IPFY_IPOPT_FINN { $$ = getoptbyvalue(IPOPT_FINN); } 1250145510Sdarrenr | IPFY_IPOPT_DPS { $$ = getoptbyvalue(IPOPT_DPS); } 1251145510Sdarrenr | IPFY_IPOPT_SDB { $$ = getoptbyvalue(IPOPT_SDB); } 1252145510Sdarrenr | IPFY_IPOPT_NSAPA { $$ = getoptbyvalue(IPOPT_NSAPA); } 1253145510Sdarrenr | IPFY_IPOPT_RTRALRT { $$ = getoptbyvalue(IPOPT_RTRALRT); } 1254145510Sdarrenr | IPFY_IPOPT_UMP { $$ = getoptbyvalue(IPOPT_UMP); } 1255145510Sdarrenr | setsecclass secname 1256145510Sdarrenr { DOALL(fr->fr_mip.fi_secmsk |= $2; 1257145510Sdarrenr if (!nowith) 1258145510Sdarrenr fr->fr_ip.fi_secmsk |= $2;) 1259145510Sdarrenr $$ = 0; 1260145510Sdarrenr yyresetdict(); 1261145510Sdarrenr } 1262145510Sdarrenr ; 1263145510Sdarrenr 1264145510Sdarrenrsetsecclass: 1265145510Sdarrenr IPFY_SECCLASS { yysetdict(ipv4secwords); } 1266145510Sdarrenr ; 1267145510Sdarrenr 1268145510Sdarrenripv6hdr: 1269145510Sdarrenr IPFY_AH { $$ = getv6optbyvalue(IPPROTO_AH); } 1270145510Sdarrenr | IPFY_IPV6OPT_DSTOPTS { $$ = getv6optbyvalue(IPPROTO_DSTOPTS); } 1271145510Sdarrenr | IPFY_ESP { $$ = getv6optbyvalue(IPPROTO_ESP); } 1272145510Sdarrenr | IPFY_IPV6OPT_HOPOPTS { $$ = getv6optbyvalue(IPPROTO_HOPOPTS); } 1273145510Sdarrenr | IPFY_IPV6OPT_IPV6 { $$ = getv6optbyvalue(IPPROTO_IPV6); } 1274145510Sdarrenr | IPFY_IPV6OPT_NONE { $$ = getv6optbyvalue(IPPROTO_NONE); } 1275145510Sdarrenr | IPFY_IPV6OPT_ROUTING { $$ = getv6optbyvalue(IPPROTO_ROUTING); } 1276145510Sdarrenr | IPFY_FRAG { $$ = getv6optbyvalue(IPPROTO_FRAGMENT); } 1277145510Sdarrenr ; 1278145510Sdarrenr 1279145510Sdarrenrlevel: IPFY_LEVEL { setsyslog(); } 1280145510Sdarrenr ; 1281145510Sdarrenr 1282145510Sdarrenrloglevel: 1283145510Sdarrenr priority { fr->fr_loglevel = LOG_LOCAL0|$1; } 1284145510Sdarrenr | facility '.' priority { fr->fr_loglevel = $1 | $3; } 1285145510Sdarrenr ; 1286145510Sdarrenr 1287145510Sdarrenrfacility: 1288145510Sdarrenr IPFY_FAC_KERN { $$ = LOG_KERN; } 1289145510Sdarrenr | IPFY_FAC_USER { $$ = LOG_USER; } 1290145510Sdarrenr | IPFY_FAC_MAIL { $$ = LOG_MAIL; } 1291145510Sdarrenr | IPFY_FAC_DAEMON { $$ = LOG_DAEMON; } 1292145510Sdarrenr | IPFY_FAC_AUTH { $$ = LOG_AUTH; } 1293145510Sdarrenr | IPFY_FAC_SYSLOG { $$ = LOG_SYSLOG; } 1294145510Sdarrenr | IPFY_FAC_LPR { $$ = LOG_LPR; } 1295145510Sdarrenr | IPFY_FAC_NEWS { $$ = LOG_NEWS; } 1296145510Sdarrenr | IPFY_FAC_UUCP { $$ = LOG_UUCP; } 1297145510Sdarrenr | IPFY_FAC_CRON { $$ = LOG_CRON; } 1298145510Sdarrenr | IPFY_FAC_FTP { $$ = LOG_FTP; } 1299145510Sdarrenr | IPFY_FAC_AUTHPRIV { $$ = LOG_AUTHPRIV; } 1300145510Sdarrenr | IPFY_FAC_AUDIT { $$ = LOG_AUDIT; } 1301145510Sdarrenr | IPFY_FAC_LFMT { $$ = LOG_LFMT; } 1302145510Sdarrenr | IPFY_FAC_LOCAL0 { $$ = LOG_LOCAL0; } 1303145510Sdarrenr | IPFY_FAC_LOCAL1 { $$ = LOG_LOCAL1; } 1304145510Sdarrenr | IPFY_FAC_LOCAL2 { $$ = LOG_LOCAL2; } 1305145510Sdarrenr | IPFY_FAC_LOCAL3 { $$ = LOG_LOCAL3; } 1306145510Sdarrenr | IPFY_FAC_LOCAL4 { $$ = LOG_LOCAL4; } 1307145510Sdarrenr | IPFY_FAC_LOCAL5 { $$ = LOG_LOCAL5; } 1308145510Sdarrenr | IPFY_FAC_LOCAL6 { $$ = LOG_LOCAL6; } 1309145510Sdarrenr | IPFY_FAC_LOCAL7 { $$ = LOG_LOCAL7; } 1310145510Sdarrenr | IPFY_FAC_SECURITY { $$ = LOG_SECURITY; } 1311145510Sdarrenr ; 1312145510Sdarrenr 1313145510Sdarrenrpriority: 1314145510Sdarrenr IPFY_PRI_EMERG { $$ = LOG_EMERG; } 1315145510Sdarrenr | IPFY_PRI_ALERT { $$ = LOG_ALERT; } 1316145510Sdarrenr | IPFY_PRI_CRIT { $$ = LOG_CRIT; } 1317145510Sdarrenr | IPFY_PRI_ERR { $$ = LOG_ERR; } 1318145510Sdarrenr | IPFY_PRI_WARN { $$ = LOG_WARNING; } 1319145510Sdarrenr | IPFY_PRI_NOTICE { $$ = LOG_NOTICE; } 1320145510Sdarrenr | IPFY_PRI_INFO { $$ = LOG_INFO; } 1321145510Sdarrenr | IPFY_PRI_DEBUG { $$ = LOG_DEBUG; } 1322145510Sdarrenr ; 1323145510Sdarrenr 1324145510Sdarrenrcompare: 1325145510Sdarrenr YY_CMP_EQ { $$ = FR_EQUAL; } 1326145510Sdarrenr | YY_CMP_NE { $$ = FR_NEQUAL; } 1327145510Sdarrenr | YY_CMP_LT { $$ = FR_LESST; } 1328145510Sdarrenr | YY_CMP_LE { $$ = FR_LESSTE; } 1329145510Sdarrenr | YY_CMP_GT { $$ = FR_GREATERT; } 1330145510Sdarrenr | YY_CMP_GE { $$ = FR_GREATERTE; } 1331145510Sdarrenr ; 1332145510Sdarrenr 1333145510Sdarrenrrange: YY_RANGE_IN { $$ = FR_INRANGE; } 1334145510Sdarrenr | YY_RANGE_OUT { $$ = FR_OUTRANGE; } 1335145510Sdarrenr | ':' { $$ = FR_INCRANGE; } 1336145510Sdarrenr ; 1337145510Sdarrenr 1338145510Sdarrenrservicename: 1339145510Sdarrenr YY_STR { $$ = $1; } 1340145510Sdarrenr ; 1341145510Sdarrenr 1342145510Sdarrenrinterfacename: YY_STR { $$ = $1; } 1343145510Sdarrenr | YY_STR ':' YY_NUMBER 1344145510Sdarrenr { $$ = $1; 1345145510Sdarrenr fprintf(stderr, "%d: Logical interface %s:%d unsupported, " 1346145510Sdarrenr "use the physical interface %s instead.\n", 1347145510Sdarrenr yylineNum, $1, $3, $1); 1348145510Sdarrenr } 1349145510Sdarrenr ; 1350145510Sdarrenr 1351145510Sdarrenrname: YY_STR { $$ = $1; } 1352145510Sdarrenr ; 1353145510Sdarrenr 1354145510Sdarrenripv4_16: 1355145510Sdarrenr YY_NUMBER '.' YY_NUMBER 1356145510Sdarrenr { if ($1 > 255 || $3 > 255) { 1357145510Sdarrenr yyerror("Invalid octet string for IP address"); 1358145510Sdarrenr return 0; 1359145510Sdarrenr } 1360145510Sdarrenr $$.s_addr = ($1 << 24) | ($3 << 16); 1361145510Sdarrenr $$.s_addr = htonl($$.s_addr); 1362145510Sdarrenr } 1363145510Sdarrenr ; 1364145510Sdarrenr 1365145510Sdarrenripv4_24: 1366145510Sdarrenr ipv4_16 '.' YY_NUMBER 1367145510Sdarrenr { if ($3 > 255) { 1368145510Sdarrenr yyerror("Invalid octet string for IP address"); 1369145510Sdarrenr return 0; 1370145510Sdarrenr } 1371145510Sdarrenr $$.s_addr |= htonl($3 << 8); 1372145510Sdarrenr } 1373145510Sdarrenr ; 1374145510Sdarrenr 1375145510Sdarrenripv4: ipv4_24 '.' YY_NUMBER 1376145510Sdarrenr { if ($3 > 255) { 1377145510Sdarrenr yyerror("Invalid octet string for IP address"); 1378145510Sdarrenr return 0; 1379145510Sdarrenr } 1380145510Sdarrenr $$.s_addr |= htonl($3); 1381145510Sdarrenr } 1382145510Sdarrenr | ipv4_24 1383145510Sdarrenr | ipv4_16 1384145510Sdarrenr ; 1385145510Sdarrenr 1386145510Sdarrenr%% 1387145510Sdarrenr 1388145510Sdarrenr 1389145510Sdarrenrstatic struct wordtab ipfwords[95] = { 1390145510Sdarrenr { "age", IPFY_AGE }, 1391145510Sdarrenr { "ah", IPFY_AH }, 1392145510Sdarrenr { "all", IPFY_ALL }, 1393145510Sdarrenr { "and", IPFY_AND }, 1394145510Sdarrenr { "auth", IPFY_AUTH }, 1395145510Sdarrenr { "bad", IPFY_BAD }, 1396145510Sdarrenr { "bad-nat", IPFY_BADNAT }, 1397145510Sdarrenr { "bad-src", IPFY_BADSRC }, 1398145510Sdarrenr { "bcast", IPFY_BROADCAST }, 1399145510Sdarrenr { "block", IPFY_BLOCK }, 1400145510Sdarrenr { "body", IPFY_BODY }, 1401145510Sdarrenr { "bpf-v4", IPFY_BPFV4 }, 1402145510Sdarrenr#ifdef USE_INET6 1403145510Sdarrenr { "bpf-v6", IPFY_BPFV6 }, 1404145510Sdarrenr#endif 1405145510Sdarrenr { "call", IPFY_CALL }, 1406145510Sdarrenr { "code", IPFY_ICMPCODE }, 1407145510Sdarrenr { "count", IPFY_COUNT }, 1408145510Sdarrenr { "dup-to", IPFY_DUPTO }, 1409145510Sdarrenr { "eq", YY_CMP_EQ }, 1410145510Sdarrenr { "esp", IPFY_ESP }, 1411145510Sdarrenr { "fastroute", IPFY_FROUTE }, 1412145510Sdarrenr { "first", IPFY_FIRST }, 1413145510Sdarrenr { "flags", IPFY_FLAGS }, 1414145510Sdarrenr { "frag", IPFY_FRAG }, 1415145510Sdarrenr { "frag-body", IPFY_FRAGBODY }, 1416145510Sdarrenr { "frags", IPFY_FRAGS }, 1417145510Sdarrenr { "from", IPFY_FROM }, 1418145510Sdarrenr { "ge", YY_CMP_GE }, 1419145510Sdarrenr { "group", IPFY_GROUP }, 1420145510Sdarrenr { "gt", YY_CMP_GT }, 1421145510Sdarrenr { "head", IPFY_HEAD }, 1422145510Sdarrenr { "icmp", IPFY_ICMP }, 1423145510Sdarrenr { "icmp-type", IPFY_ICMPTYPE }, 1424145510Sdarrenr { "in", IPFY_IN }, 1425145510Sdarrenr { "in-via", IPFY_INVIA }, 1426145510Sdarrenr { "ipopt", IPFY_IPOPTS }, 1427145510Sdarrenr { "ipopts", IPFY_IPOPTS }, 1428145510Sdarrenr { "keep", IPFY_KEEP }, 1429145510Sdarrenr { "le", YY_CMP_LE }, 1430145510Sdarrenr { "level", IPFY_LEVEL }, 1431145510Sdarrenr { "limit", IPFY_LIMIT }, 1432145510Sdarrenr { "log", IPFY_LOG }, 1433145510Sdarrenr { "lowttl", IPFY_LOWTTL }, 1434145510Sdarrenr { "lt", YY_CMP_LT }, 1435145510Sdarrenr { "mask", IPFY_MASK }, 1436145510Sdarrenr { "match-tag", IPFY_MATCHTAG }, 1437145510Sdarrenr { "mbcast", IPFY_MBCAST }, 1438145510Sdarrenr { "multicast", IPFY_MULTICAST }, 1439145510Sdarrenr { "nat", IPFY_NAT }, 1440145510Sdarrenr { "ne", YY_CMP_NE }, 1441145510Sdarrenr { "net", IPFY_NETWORK }, 1442145510Sdarrenr { "newisn", IPFY_NEWISN }, 1443145510Sdarrenr { "no", IPFY_NO }, 1444145510Sdarrenr { "no-icmp-err", IPFY_NOICMPERR }, 1445145510Sdarrenr { "now", IPFY_NOW }, 1446145510Sdarrenr { "not", IPFY_NOT }, 1447145510Sdarrenr { "oow", IPFY_OOW }, 1448145510Sdarrenr { "on", IPFY_ON }, 1449145510Sdarrenr { "opt", IPFY_OPT }, 1450145510Sdarrenr { "or-block", IPFY_ORBLOCK }, 1451145510Sdarrenr { "out", IPFY_OUT }, 1452145510Sdarrenr { "out-via", IPFY_OUTVIA }, 1453145510Sdarrenr { "pass", IPFY_PASS }, 1454145510Sdarrenr { "port", IPFY_PORT }, 1455145510Sdarrenr { "pps", IPFY_PPS }, 1456145510Sdarrenr { "preauth", IPFY_PREAUTH }, 1457145510Sdarrenr { "proto", IPFY_PROTO }, 1458145510Sdarrenr { "quick", IPFY_QUICK }, 1459145510Sdarrenr { "reply-to", IPFY_REPLY_TO }, 1460145510Sdarrenr { "return-icmp", IPFY_RETICMP }, 1461145510Sdarrenr { "return-icmp-as-dest", IPFY_RETICMPASDST }, 1462145510Sdarrenr { "return-rst", IPFY_RETRST }, 1463145510Sdarrenr { "route-to", IPFY_ROUTETO }, 1464145510Sdarrenr { "sec-class", IPFY_SECCLASS }, 1465145510Sdarrenr { "set-tag", IPFY_SETTAG }, 1466145510Sdarrenr { "skip", IPFY_SKIP }, 1467145510Sdarrenr { "short", IPFY_SHORT }, 1468145510Sdarrenr { "state", IPFY_STATE }, 1469145510Sdarrenr { "state-age", IPFY_AGE }, 1470145510Sdarrenr { "strict", IPFY_STRICT }, 1471145510Sdarrenr { "sync", IPFY_SYNC }, 1472145510Sdarrenr { "tcp", IPFY_TCP }, 1473145510Sdarrenr { "tcp-udp", IPFY_TCPUDP }, 1474145510Sdarrenr { "tos", IPFY_TOS }, 1475145510Sdarrenr { "to", IPFY_TO }, 1476145510Sdarrenr { "ttl", IPFY_TTL }, 1477145510Sdarrenr { "udp", IPFY_UDP }, 1478145510Sdarrenr { "v6hdrs", IPF6_V6HDRS }, 1479145510Sdarrenr { "with", IPFY_WITH }, 1480145510Sdarrenr { NULL, 0 } 1481145510Sdarrenr}; 1482145510Sdarrenr 1483145510Sdarrenrstatic struct wordtab addrwords[4] = { 1484145510Sdarrenr { "any", IPFY_ANY }, 1485145510Sdarrenr { "hash", IPFY_HASH }, 1486145510Sdarrenr { "pool", IPFY_POOL }, 1487145510Sdarrenr { NULL, 0 } 1488145510Sdarrenr}; 1489145510Sdarrenr 1490145510Sdarrenrstatic struct wordtab maskwords[5] = { 1491145510Sdarrenr { "broadcast", IPFY_BROADCAST }, 1492145510Sdarrenr { "netmasked", IPFY_NETMASKED }, 1493145510Sdarrenr { "network", IPFY_NETWORK }, 1494145510Sdarrenr { "peer", IPFY_PEER }, 1495145510Sdarrenr { NULL, 0 } 1496145510Sdarrenr}; 1497145510Sdarrenr 1498145510Sdarrenrstatic struct wordtab icmptypewords[16] = { 1499145510Sdarrenr { "echo", IPFY_ICMPT_ECHO }, 1500145510Sdarrenr { "echorep", IPFY_ICMPT_ECHOR }, 1501145510Sdarrenr { "inforeq", IPFY_ICMPT_INFOREQ }, 1502145510Sdarrenr { "inforep", IPFY_ICMPT_INFOREP }, 1503145510Sdarrenr { "maskrep", IPFY_ICMPT_MASKREP }, 1504145510Sdarrenr { "maskreq", IPFY_ICMPT_MASKREQ }, 1505145510Sdarrenr { "paramprob", IPFY_ICMPT_PARAMP }, 1506145510Sdarrenr { "redir", IPFY_ICMPT_REDIR }, 1507145510Sdarrenr { "unreach", IPFY_ICMPT_UNR }, 1508145510Sdarrenr { "routerad", IPFY_ICMPT_ROUTERAD }, 1509145510Sdarrenr { "routersol", IPFY_ICMPT_ROUTERSOL }, 1510145510Sdarrenr { "squench", IPFY_ICMPT_SQUENCH }, 1511145510Sdarrenr { "timest", IPFY_ICMPT_TIMEST }, 1512145510Sdarrenr { "timestrep", IPFY_ICMPT_TIMESTREP }, 1513145510Sdarrenr { "timex", IPFY_ICMPT_TIMEX }, 1514145510Sdarrenr { NULL, 0 }, 1515145510Sdarrenr}; 1516145510Sdarrenr 1517145510Sdarrenrstatic struct wordtab icmpcodewords[17] = { 1518145510Sdarrenr { "cutoff-preced", IPFY_ICMPC_CUTPRE }, 1519145510Sdarrenr { "filter-prohib", IPFY_ICMPC_FLTPRO }, 1520145510Sdarrenr { "isolate", IPFY_ICMPC_ISOLATE }, 1521145510Sdarrenr { "needfrag", IPFY_ICMPC_NEEDF }, 1522145510Sdarrenr { "net-prohib", IPFY_ICMPC_NETPRO }, 1523145510Sdarrenr { "net-tos", IPFY_ICMPC_NETTOS }, 1524145510Sdarrenr { "host-preced", IPFY_ICMPC_HSTPRE }, 1525145510Sdarrenr { "host-prohib", IPFY_ICMPC_HSTPRO }, 1526145510Sdarrenr { "host-tos", IPFY_ICMPC_HSTTOS }, 1527145510Sdarrenr { "host-unk", IPFY_ICMPC_HSTUNK }, 1528145510Sdarrenr { "host-unr", IPFY_ICMPC_HSTUNR }, 1529145510Sdarrenr { "net-unk", IPFY_ICMPC_NETUNK }, 1530145510Sdarrenr { "net-unr", IPFY_ICMPC_NETUNR }, 1531145510Sdarrenr { "port-unr", IPFY_ICMPC_PORUNR }, 1532145510Sdarrenr { "proto-unr", IPFY_ICMPC_PROUNR }, 1533145510Sdarrenr { "srcfail", IPFY_ICMPC_SRCFAIL }, 1534145510Sdarrenr { NULL, 0 }, 1535145510Sdarrenr}; 1536145510Sdarrenr 1537145510Sdarrenrstatic struct wordtab ipv4optwords[25] = { 1538145510Sdarrenr { "addext", IPFY_IPOPT_ADDEXT }, 1539145510Sdarrenr { "cipso", IPFY_IPOPT_CIPSO }, 1540145510Sdarrenr { "dps", IPFY_IPOPT_DPS }, 1541145510Sdarrenr { "e-sec", IPFY_IPOPT_ESEC }, 1542145510Sdarrenr { "eip", IPFY_IPOPT_EIP }, 1543145510Sdarrenr { "encode", IPFY_IPOPT_ENCODE }, 1544145510Sdarrenr { "finn", IPFY_IPOPT_FINN }, 1545145510Sdarrenr { "imitd", IPFY_IPOPT_IMITD }, 1546145510Sdarrenr { "lsrr", IPFY_IPOPT_LSRR }, 1547145510Sdarrenr { "mtup", IPFY_IPOPT_MTUP }, 1548145510Sdarrenr { "mtur", IPFY_IPOPT_MTUR }, 1549145510Sdarrenr { "nop", IPFY_IPOPT_NOP }, 1550145510Sdarrenr { "nsapa", IPFY_IPOPT_NSAPA }, 1551145510Sdarrenr { "rr", IPFY_IPOPT_RR }, 1552145510Sdarrenr { "rtralrt", IPFY_IPOPT_RTRALRT }, 1553145510Sdarrenr { "satid", IPFY_IPOPT_SATID }, 1554145510Sdarrenr { "sdb", IPFY_IPOPT_SDB }, 1555145510Sdarrenr { "sec", IPFY_IPOPT_SEC }, 1556145510Sdarrenr { "ssrr", IPFY_IPOPT_SSRR }, 1557145510Sdarrenr { "tr", IPFY_IPOPT_TR }, 1558145510Sdarrenr { "ts", IPFY_IPOPT_TS }, 1559145510Sdarrenr { "ump", IPFY_IPOPT_UMP }, 1560145510Sdarrenr { "visa", IPFY_IPOPT_VISA }, 1561145510Sdarrenr { "zsu", IPFY_IPOPT_ZSU }, 1562145510Sdarrenr { NULL, 0 }, 1563145510Sdarrenr}; 1564145510Sdarrenr 1565145510Sdarrenrstatic struct wordtab ipv4secwords[9] = { 1566145510Sdarrenr { "confid", IPFY_SEC_CONF }, 1567145510Sdarrenr { "reserv-1", IPFY_SEC_RSV1 }, 1568145510Sdarrenr { "reserv-2", IPFY_SEC_RSV2 }, 1569145510Sdarrenr { "reserv-3", IPFY_SEC_RSV3 }, 1570145510Sdarrenr { "reserv-4", IPFY_SEC_RSV4 }, 1571145510Sdarrenr { "secret", IPFY_SEC_SEC }, 1572145510Sdarrenr { "topsecret", IPFY_SEC_TS }, 1573145510Sdarrenr { "unclass", IPFY_SEC_UNC }, 1574145510Sdarrenr { NULL, 0 }, 1575145510Sdarrenr}; 1576145510Sdarrenr 1577145510Sdarrenrstatic struct wordtab ipv6optwords[8] = { 1578145510Sdarrenr { "dstopts", IPFY_IPV6OPT_DSTOPTS }, 1579145510Sdarrenr { "esp", IPFY_ESP }, 1580145510Sdarrenr { "frag", IPFY_FRAG }, 1581145510Sdarrenr { "hopopts", IPFY_IPV6OPT_HOPOPTS }, 1582145510Sdarrenr { "ipv6", IPFY_IPV6OPT_IPV6 }, 1583145510Sdarrenr { "none", IPFY_IPV6OPT_NONE }, 1584145510Sdarrenr { "routing", IPFY_IPV6OPT_ROUTING }, 1585145510Sdarrenr { NULL, 0 }, 1586145510Sdarrenr}; 1587145510Sdarrenr 1588145510Sdarrenrstatic struct wordtab logwords[33] = { 1589145510Sdarrenr { "kern", IPFY_FAC_KERN }, 1590145510Sdarrenr { "user", IPFY_FAC_USER }, 1591145510Sdarrenr { "mail", IPFY_FAC_MAIL }, 1592145510Sdarrenr { "daemon", IPFY_FAC_DAEMON }, 1593145510Sdarrenr { "auth", IPFY_FAC_AUTH }, 1594145510Sdarrenr { "syslog", IPFY_FAC_SYSLOG }, 1595145510Sdarrenr { "lpr", IPFY_FAC_LPR }, 1596145510Sdarrenr { "news", IPFY_FAC_NEWS }, 1597145510Sdarrenr { "uucp", IPFY_FAC_UUCP }, 1598145510Sdarrenr { "cron", IPFY_FAC_CRON }, 1599145510Sdarrenr { "ftp", IPFY_FAC_FTP }, 1600145510Sdarrenr { "authpriv", IPFY_FAC_AUTHPRIV }, 1601145510Sdarrenr { "audit", IPFY_FAC_AUDIT }, 1602145510Sdarrenr { "logalert", IPFY_FAC_LFMT }, 1603145510Sdarrenr { "console", IPFY_FAC_CONSOLE }, 1604145510Sdarrenr { "security", IPFY_FAC_SECURITY }, 1605145510Sdarrenr { "local0", IPFY_FAC_LOCAL0 }, 1606145510Sdarrenr { "local1", IPFY_FAC_LOCAL1 }, 1607145510Sdarrenr { "local2", IPFY_FAC_LOCAL2 }, 1608145510Sdarrenr { "local3", IPFY_FAC_LOCAL3 }, 1609145510Sdarrenr { "local4", IPFY_FAC_LOCAL4 }, 1610145510Sdarrenr { "local5", IPFY_FAC_LOCAL5 }, 1611145510Sdarrenr { "local6", IPFY_FAC_LOCAL6 }, 1612145510Sdarrenr { "local7", IPFY_FAC_LOCAL7 }, 1613145510Sdarrenr { "emerg", IPFY_PRI_EMERG }, 1614145510Sdarrenr { "alert", IPFY_PRI_ALERT }, 1615145510Sdarrenr { "crit", IPFY_PRI_CRIT }, 1616145510Sdarrenr { "err", IPFY_PRI_ERR }, 1617145510Sdarrenr { "warn", IPFY_PRI_WARN }, 1618145510Sdarrenr { "notice", IPFY_PRI_NOTICE }, 1619145510Sdarrenr { "info", IPFY_PRI_INFO }, 1620145510Sdarrenr { "debug", IPFY_PRI_DEBUG }, 1621145510Sdarrenr { NULL, 0 }, 1622145510Sdarrenr}; 1623145510Sdarrenr 1624145510Sdarrenr 1625145510Sdarrenr 1626145510Sdarrenr 1627145510Sdarrenrint ipf_parsefile(fd, addfunc, iocfuncs, filename) 1628145510Sdarrenrint fd; 1629145510Sdarrenraddfunc_t addfunc; 1630145510Sdarrenrioctlfunc_t *iocfuncs; 1631145510Sdarrenrchar *filename; 1632145510Sdarrenr{ 1633145510Sdarrenr FILE *fp = NULL; 1634145510Sdarrenr char *s; 1635145510Sdarrenr 1636145510Sdarrenr yylineNum = 1; 1637145510Sdarrenr yysettab(ipfwords); 1638145510Sdarrenr 1639145510Sdarrenr s = getenv("YYDEBUG"); 1640145510Sdarrenr if (s != NULL) 1641145510Sdarrenr yydebug = atoi(s); 1642145510Sdarrenr else 1643145510Sdarrenr yydebug = 0; 1644145510Sdarrenr 1645145510Sdarrenr if (strcmp(filename, "-")) { 1646145510Sdarrenr fp = fopen(filename, "r"); 1647145510Sdarrenr if (fp == NULL) { 1648145510Sdarrenr fprintf(stderr, "fopen(%s) failed: %s\n", filename, 1649145510Sdarrenr STRERROR(errno)); 1650145510Sdarrenr return -1; 1651145510Sdarrenr } 1652145510Sdarrenr } else 1653145510Sdarrenr fp = stdin; 1654145510Sdarrenr 1655145510Sdarrenr while (ipf_parsesome(fd, addfunc, iocfuncs, fp) == 1) 1656145510Sdarrenr ; 1657145510Sdarrenr if (fp != NULL) 1658145510Sdarrenr fclose(fp); 1659145510Sdarrenr return 0; 1660145510Sdarrenr} 1661145510Sdarrenr 1662145510Sdarrenr 1663145510Sdarrenrint ipf_parsesome(fd, addfunc, iocfuncs, fp) 1664145510Sdarrenrint fd; 1665145510Sdarrenraddfunc_t addfunc; 1666145510Sdarrenrioctlfunc_t *iocfuncs; 1667145510SdarrenrFILE *fp; 1668145510Sdarrenr{ 1669145510Sdarrenr char *s; 1670145510Sdarrenr int i; 1671145510Sdarrenr 1672145510Sdarrenr ipffd = fd; 1673145510Sdarrenr for (i = 0; i <= IPL_LOGMAX; i++) 1674145510Sdarrenr ipfioctl[i] = iocfuncs[i]; 1675145510Sdarrenr ipfaddfunc = addfunc; 1676145510Sdarrenr 1677145510Sdarrenr if (feof(fp)) 1678145510Sdarrenr return 0; 1679145510Sdarrenr i = fgetc(fp); 1680145510Sdarrenr if (i == EOF) 1681145510Sdarrenr return 0; 1682145510Sdarrenr if (ungetc(i, fp) == 0) 1683145510Sdarrenr return 0; 1684145510Sdarrenr if (feof(fp)) 1685145510Sdarrenr return 0; 1686145510Sdarrenr s = getenv("YYDEBUG"); 1687145510Sdarrenr if (s != NULL) 1688145510Sdarrenr yydebug = atoi(s); 1689145510Sdarrenr else 1690145510Sdarrenr yydebug = 0; 1691145510Sdarrenr 1692145510Sdarrenr yyin = fp; 1693145510Sdarrenr yyparse(); 1694145510Sdarrenr return 1; 1695145510Sdarrenr} 1696145510Sdarrenr 1697145510Sdarrenr 1698145510Sdarrenrstatic void newrule() 1699145510Sdarrenr{ 1700145510Sdarrenr frentry_t *frn; 1701145510Sdarrenr 1702145510Sdarrenr frn = (frentry_t *)calloc(1, sizeof(frentry_t)); 1703145510Sdarrenr for (fr = frtop; fr != NULL && fr->fr_next != NULL; fr = fr->fr_next) 1704145510Sdarrenr ; 1705145510Sdarrenr if (fr != NULL) 1706145510Sdarrenr fr->fr_next = frn; 1707145510Sdarrenr if (frtop == NULL) 1708145510Sdarrenr frtop = frn; 1709145510Sdarrenr fr = frn; 1710145510Sdarrenr frc = frn; 1711145510Sdarrenr fr->fr_loglevel = 0xffff; 1712145510Sdarrenr fr->fr_isc = (void *)-1; 1713145510Sdarrenr fr->fr_logtag = FR_NOLOGTAG; 1714145510Sdarrenr fr->fr_type = FR_T_NONE; 1715145510Sdarrenr if (use_inet6 != 0) 1716145510Sdarrenr fr->fr_v = 6; 1717145510Sdarrenr else 1718145510Sdarrenr fr->fr_v = 4; 1719145510Sdarrenr 1720145510Sdarrenr nrules = 1; 1721145510Sdarrenr} 1722145510Sdarrenr 1723145510Sdarrenr 1724145510Sdarrenrstatic void setipftype() 1725145510Sdarrenr{ 1726145510Sdarrenr for (fr = frc; fr != NULL; fr = fr->fr_next) { 1727145510Sdarrenr if (fr->fr_type == FR_T_NONE) { 1728145510Sdarrenr fr->fr_type = FR_T_IPF; 1729145510Sdarrenr fr->fr_data = (void *)calloc(sizeof(fripf_t), 1); 1730145510Sdarrenr fr->fr_dsize = sizeof(fripf_t); 1731145510Sdarrenr fr->fr_ip.fi_v = frc->fr_v; 1732145510Sdarrenr fr->fr_mip.fi_v = 0xf; 1733145510Sdarrenr fr->fr_ipf->fri_sifpidx = -1; 1734145510Sdarrenr fr->fr_ipf->fri_difpidx = -1; 1735145510Sdarrenr } 1736145510Sdarrenr if (fr->fr_type != FR_T_IPF) { 1737145510Sdarrenr fprintf(stderr, "IPF Type not set\n"); 1738145510Sdarrenr } 1739145510Sdarrenr } 1740145510Sdarrenr} 1741145510Sdarrenr 1742145510Sdarrenr 1743145510Sdarrenrstatic frentry_t *addrule() 1744145510Sdarrenr{ 1745145510Sdarrenr frentry_t *f, *f1, *f2; 1746145510Sdarrenr int count; 1747145510Sdarrenr 1748145510Sdarrenr for (f2 = frc; f2->fr_next != NULL; f2 = f2->fr_next) 1749145510Sdarrenr ; 1750145510Sdarrenr 1751145510Sdarrenr count = nrules; 1752145510Sdarrenr if (count == 0) { 1753145510Sdarrenr f = (frentry_t *)calloc(sizeof(*f), 1); 1754145510Sdarrenr added++; 1755145510Sdarrenr f2->fr_next = f; 1756145510Sdarrenr bcopy(f2, f, sizeof(*f)); 1757145510Sdarrenr if (f2->fr_caddr != NULL) { 1758145510Sdarrenr f->fr_caddr = malloc(f->fr_dsize); 1759145510Sdarrenr bcopy(f2->fr_caddr, f->fr_caddr, f->fr_dsize); 1760145510Sdarrenr } 1761145510Sdarrenr f->fr_next = NULL; 1762145510Sdarrenr return f; 1763145510Sdarrenr } 1764145510Sdarrenr f = f2; 1765145510Sdarrenr for (f1 = frc; count > 0; count--, f1 = f1->fr_next) { 1766145510Sdarrenr f->fr_next = (frentry_t *)calloc(sizeof(*f), 1); 1767145510Sdarrenr added++; 1768145510Sdarrenr f = f->fr_next; 1769145510Sdarrenr bcopy(f1, f, sizeof(*f)); 1770145510Sdarrenr f->fr_next = NULL; 1771145510Sdarrenr if (f->fr_caddr != NULL) { 1772145510Sdarrenr f->fr_caddr = malloc(f->fr_dsize); 1773145510Sdarrenr bcopy(f1->fr_caddr, f->fr_caddr, f->fr_dsize); 1774145510Sdarrenr } 1775145510Sdarrenr } 1776145510Sdarrenr 1777145510Sdarrenr return f2->fr_next; 1778145510Sdarrenr} 1779145510Sdarrenr 1780145510Sdarrenr 1781145510Sdarrenrstatic u_32_t lookuphost(name) 1782145510Sdarrenrchar *name; 1783145510Sdarrenr{ 1784145510Sdarrenr u_32_t addr; 1785145510Sdarrenr int i; 1786145510Sdarrenr 1787145510Sdarrenr hashed = 0; 1788145510Sdarrenr pooled = 0; 1789145510Sdarrenr dynamic = -1; 1790145510Sdarrenr 1791145510Sdarrenr for (i = 0; i < 4; i++) { 1792145510Sdarrenr if (strncmp(name, frc->fr_ifnames[i], 1793145510Sdarrenr sizeof(frc->fr_ifnames[i])) == 0) { 1794145510Sdarrenr ifpflag = FRI_DYNAMIC; 1795145510Sdarrenr dynamic = i; 1796145510Sdarrenr return 0; 1797145510Sdarrenr } 1798145510Sdarrenr } 1799145510Sdarrenr 1800145510Sdarrenr if (gethost(name, &addr) == -1) { 1801145510Sdarrenr fprintf(stderr, "unknown name \"%s\"\n", name); 1802145510Sdarrenr return 0; 1803145510Sdarrenr } 1804145510Sdarrenr return addr; 1805145510Sdarrenr} 1806145510Sdarrenr 1807145510Sdarrenr 1808145510Sdarrenrstatic void dobpf(v, phrase) 1809145510Sdarrenrint v; 1810145510Sdarrenrchar *phrase; 1811145510Sdarrenr{ 1812145510Sdarrenr#ifdef IPFILTER_BPF 1813145510Sdarrenr struct bpf_program bpf; 1814145510Sdarrenr struct pcap *p; 1815145510Sdarrenr#endif 1816145510Sdarrenr fakebpf_t *fb; 1817145510Sdarrenr u_32_t l; 1818145510Sdarrenr char *s; 1819145510Sdarrenr int i; 1820145510Sdarrenr 1821145510Sdarrenr for (fr = frc; fr != NULL; fr = fr->fr_next) { 1822145510Sdarrenr if (fr->fr_type != FR_T_NONE) { 1823145510Sdarrenr fprintf(stderr, "cannot mix IPF and BPF matching\n"); 1824145510Sdarrenr return; 1825145510Sdarrenr } 1826145510Sdarrenr fr->fr_v = v; 1827145510Sdarrenr fr->fr_type = FR_T_BPFOPC; 1828145510Sdarrenr 1829145510Sdarrenr if (!strncmp(phrase, "\"0x", 2)) { 1830145510Sdarrenr phrase++; 1831145510Sdarrenr fb = malloc(sizeof(fakebpf_t)); 1832145510Sdarrenr 1833145510Sdarrenr for (i = 0, s = strtok(phrase, " \r\n\t"); s != NULL; 1834145510Sdarrenr s = strtok(NULL, " \r\n\t"), i++) { 1835145510Sdarrenr fb = realloc(fb, (i / 4 + 1) * sizeof(*fb)); 1836145510Sdarrenr l = (u_32_t)strtol(s, NULL, 0); 1837145510Sdarrenr switch (i & 3) 1838145510Sdarrenr { 1839145510Sdarrenr case 0 : 1840145510Sdarrenr fb[i / 4].fb_c = l & 0xffff; 1841145510Sdarrenr break; 1842145510Sdarrenr case 1 : 1843145510Sdarrenr fb[i / 4].fb_t = l & 0xff; 1844145510Sdarrenr break; 1845145510Sdarrenr case 2 : 1846145510Sdarrenr fb[i / 4].fb_f = l & 0xff; 1847145510Sdarrenr break; 1848145510Sdarrenr case 3 : 1849145510Sdarrenr fb[i / 4].fb_k = l; 1850145510Sdarrenr break; 1851145510Sdarrenr } 1852145510Sdarrenr } 1853145510Sdarrenr if ((i & 3) != 0) { 1854145510Sdarrenr fprintf(stderr, 1855145510Sdarrenr "Odd number of bytes in BPF code\n"); 1856145510Sdarrenr exit(1); 1857145510Sdarrenr } 1858145510Sdarrenr i--; 1859145510Sdarrenr fr->fr_dsize = (i / 4 + 1) * sizeof(*fb); 1860145510Sdarrenr fr->fr_data = fb; 1861145510Sdarrenr return; 1862145510Sdarrenr } 1863145510Sdarrenr 1864145510Sdarrenr#ifdef IPFILTER_BPF 1865145510Sdarrenr bzero((char *)&bpf, sizeof(bpf)); 1866145510Sdarrenr p = pcap_open_dead(DLT_RAW, 1); 1867145510Sdarrenr if (!p) { 1868145510Sdarrenr fprintf(stderr, "pcap_open_dead failed\n"); 1869145510Sdarrenr return; 1870145510Sdarrenr } 1871145510Sdarrenr 1872145510Sdarrenr if (pcap_compile(p, &bpf, phrase, 1, 0xffffffff)) { 1873145510Sdarrenr pcap_perror(p, "ipf"); 1874145510Sdarrenr pcap_close(p); 1875145510Sdarrenr fprintf(stderr, "pcap parsing failed (%s)\n", phrase); 1876145510Sdarrenr return; 1877145510Sdarrenr } 1878145510Sdarrenr pcap_close(p); 1879145510Sdarrenr 1880145510Sdarrenr fr->fr_dsize = bpf.bf_len * sizeof(struct bpf_insn); 1881145510Sdarrenr fr->fr_data = malloc(fr->fr_dsize); 1882145510Sdarrenr bcopy((char *)bpf.bf_insns, fr->fr_data, fr->fr_dsize); 1883145510Sdarrenr if (!bpf_validate(fr->fr_data, bpf.bf_len)) { 1884145510Sdarrenr fprintf(stderr, "BPF validation failed\n"); 1885145510Sdarrenr return; 1886145510Sdarrenr } 1887145510Sdarrenr#endif 1888145510Sdarrenr } 1889145510Sdarrenr 1890145510Sdarrenr#ifdef IPFILTER_BPF 1891145510Sdarrenr if (opts & OPT_DEBUG) 1892145510Sdarrenr bpf_dump(&bpf, 0); 1893145510Sdarrenr#else 1894145510Sdarrenr fprintf(stderr, "BPF filter expressions not supported\n"); 1895145510Sdarrenr exit(1); 1896145510Sdarrenr#endif 1897145510Sdarrenr} 1898145510Sdarrenr 1899145510Sdarrenr 1900145510Sdarrenrstatic void resetaddr() 1901145510Sdarrenr{ 1902145510Sdarrenr hashed = 0; 1903145510Sdarrenr pooled = 0; 1904145510Sdarrenr dynamic = -1; 1905145510Sdarrenr} 1906145510Sdarrenr 1907145510Sdarrenr 1908145510Sdarrenrstatic alist_t *newalist(ptr) 1909145510Sdarrenralist_t *ptr; 1910145510Sdarrenr{ 1911145510Sdarrenr alist_t *al; 1912145510Sdarrenr 1913145510Sdarrenr al = malloc(sizeof(*al)); 1914145510Sdarrenr if (al == NULL) 1915145510Sdarrenr return NULL; 1916145510Sdarrenr al->al_not = 0; 1917145510Sdarrenr al->al_next = ptr; 1918145510Sdarrenr return al; 1919145510Sdarrenr} 1920145510Sdarrenr 1921145510Sdarrenr 1922145510Sdarrenrstatic int makepool(list) 1923145510Sdarrenralist_t *list; 1924145510Sdarrenr{ 1925145510Sdarrenr ip_pool_node_t *n, *top; 1926145510Sdarrenr ip_pool_t pool; 1927145510Sdarrenr alist_t *a; 1928145510Sdarrenr int num; 1929145510Sdarrenr 1930145510Sdarrenr if (list == NULL) 1931145510Sdarrenr return 0; 1932145510Sdarrenr top = calloc(1, sizeof(*top)); 1933145510Sdarrenr if (top == NULL) 1934145510Sdarrenr return 0; 1935145510Sdarrenr 1936145510Sdarrenr for (n = top, a = list; (n != NULL) && (a != NULL); a = a->al_next) { 1937145510Sdarrenr n->ipn_addr.adf_addr.in4.s_addr = a->al_1; 1938145510Sdarrenr n->ipn_mask.adf_addr.in4.s_addr = a->al_2; 1939145510Sdarrenr n->ipn_info = a->al_not; 1940145510Sdarrenr if (a->al_next != NULL) { 1941145510Sdarrenr n->ipn_next = calloc(1, sizeof(*n)); 1942145510Sdarrenr n = n->ipn_next; 1943145510Sdarrenr } 1944145510Sdarrenr } 1945145510Sdarrenr 1946145510Sdarrenr bzero((char *)&pool, sizeof(pool)); 1947145510Sdarrenr pool.ipo_unit = IPL_LOGIPF; 1948145510Sdarrenr pool.ipo_list = top; 1949145510Sdarrenr num = load_pool(&pool, ipfioctl[IPL_LOGLOOKUP]); 1950145510Sdarrenr 1951145510Sdarrenr while ((n = top) != NULL) { 1952145510Sdarrenr top = n->ipn_next; 1953145510Sdarrenr free(n); 1954145510Sdarrenr } 1955145510Sdarrenr return num; 1956145510Sdarrenr} 1957145510Sdarrenr 1958145510Sdarrenr 1959145510Sdarrenrstatic u_int makehash(list) 1960145510Sdarrenralist_t *list; 1961145510Sdarrenr{ 1962145510Sdarrenr iphtent_t *n, *top; 1963145510Sdarrenr iphtable_t iph; 1964145510Sdarrenr alist_t *a; 1965145510Sdarrenr int num; 1966145510Sdarrenr 1967145510Sdarrenr if (list == NULL) 1968145510Sdarrenr return 0; 1969145510Sdarrenr top = calloc(1, sizeof(*top)); 1970145510Sdarrenr if (top == NULL) 1971145510Sdarrenr return 0; 1972145510Sdarrenr 1973145510Sdarrenr for (n = top, a = list; (n != NULL) && (a != NULL); a = a->al_next) { 1974145510Sdarrenr n->ipe_addr.in4_addr = a->al_1; 1975145510Sdarrenr n->ipe_mask.in4_addr = a->al_2; 1976145510Sdarrenr n->ipe_value = 0; 1977145510Sdarrenr if (a->al_next != NULL) { 1978145510Sdarrenr n->ipe_next = calloc(1, sizeof(*n)); 1979145510Sdarrenr n = n->ipe_next; 1980145510Sdarrenr } 1981145510Sdarrenr } 1982145510Sdarrenr 1983145510Sdarrenr bzero((char *)&iph, sizeof(iph)); 1984145510Sdarrenr iph.iph_unit = IPL_LOGIPF; 1985145510Sdarrenr iph.iph_type = IPHASH_LOOKUP; 1986145510Sdarrenr *iph.iph_name = '\0'; 1987145510Sdarrenr 1988145510Sdarrenr if (load_hash(&iph, top, ipfioctl[IPL_LOGLOOKUP]) == 0) 1989145510Sdarrenr sscanf(iph.iph_name, "%u", &num); 1990145510Sdarrenr else 1991145510Sdarrenr num = 0; 1992145510Sdarrenr 1993145510Sdarrenr while ((n = top) != NULL) { 1994145510Sdarrenr top = n->ipe_next; 1995145510Sdarrenr free(n); 1996145510Sdarrenr } 1997145510Sdarrenr return num; 1998145510Sdarrenr} 1999145510Sdarrenr 2000145510Sdarrenr 2001145510Sdarrenrvoid ipf_addrule(fd, ioctlfunc, ptr) 2002145510Sdarrenrint fd; 2003145510Sdarrenrioctlfunc_t ioctlfunc; 2004145510Sdarrenrvoid *ptr; 2005145510Sdarrenr{ 2006145510Sdarrenr ioctlcmd_t add, del; 2007145510Sdarrenr frentry_t *fr; 2008145510Sdarrenr ipfobj_t obj; 2009145510Sdarrenr 2010145510Sdarrenr fr = ptr; 2011145510Sdarrenr add = 0; 2012145510Sdarrenr del = 0; 2013145510Sdarrenr 2014145510Sdarrenr bzero((char *)&obj, sizeof(obj)); 2015145510Sdarrenr obj.ipfo_rev = IPFILTER_VERSION; 2016145510Sdarrenr obj.ipfo_size = sizeof(*fr); 2017145510Sdarrenr obj.ipfo_type = IPFOBJ_FRENTRY; 2018145510Sdarrenr obj.ipfo_ptr = ptr; 2019145510Sdarrenr 2020145510Sdarrenr if ((opts & OPT_DONOTHING) != 0) 2021145510Sdarrenr fd = -1; 2022145510Sdarrenr 2023145510Sdarrenr if (opts & OPT_ZERORULEST) { 2024145510Sdarrenr add = SIOCZRLST; 2025145510Sdarrenr } else if (opts & OPT_INACTIVE) { 2026145510Sdarrenr add = (u_int)fr->fr_hits ? SIOCINIFR : 2027145510Sdarrenr SIOCADIFR; 2028145510Sdarrenr del = SIOCRMIFR; 2029145510Sdarrenr } else { 2030145510Sdarrenr add = (u_int)fr->fr_hits ? SIOCINAFR : 2031145510Sdarrenr SIOCADAFR; 2032145510Sdarrenr del = SIOCRMAFR; 2033145510Sdarrenr } 2034145510Sdarrenr 2035145510Sdarrenr if (fr && (opts & OPT_OUTQUE)) 2036145510Sdarrenr fr->fr_flags |= FR_OUTQUE; 2037145510Sdarrenr if (fr->fr_hits) 2038145510Sdarrenr fr->fr_hits--; 2039145510Sdarrenr if (fr && (opts & OPT_VERBOSE)) 2040145510Sdarrenr printfr(fr, ioctlfunc); 2041145510Sdarrenr 2042145510Sdarrenr if (opts & OPT_DEBUG) { 2043145510Sdarrenr binprint(fr, sizeof(*fr)); 2044145510Sdarrenr if (fr->fr_data != NULL) 2045145510Sdarrenr binprint(fr->fr_data, fr->fr_dsize); 2046145510Sdarrenr } 2047145510Sdarrenr 2048145510Sdarrenr if ((opts & OPT_ZERORULEST) != 0) { 2049145510Sdarrenr if ((*ioctlfunc)(fd, add, (void *)&obj) == -1) { 2050145510Sdarrenr if ((opts & OPT_DONOTHING) == 0) { 2051145510Sdarrenr fprintf(stderr, "%d:", yylineNum); 2052145510Sdarrenr perror("ioctl(SIOCZRLST)"); 2053145510Sdarrenr } 2054145510Sdarrenr } else { 2055145510Sdarrenr#ifdef USE_QUAD_T 2056145510Sdarrenr printf("hits %qd bytes %qd ", 2057145510Sdarrenr (long long)fr->fr_hits, 2058145510Sdarrenr (long long)fr->fr_bytes); 2059145510Sdarrenr#else 2060145510Sdarrenr printf("hits %ld bytes %ld ", 2061145510Sdarrenr fr->fr_hits, fr->fr_bytes); 2062145510Sdarrenr#endif 2063145510Sdarrenr printfr(fr, ioctlfunc); 2064145510Sdarrenr } 2065145510Sdarrenr } else if ((opts & OPT_REMOVE) != 0) { 2066145510Sdarrenr if ((*ioctlfunc)(fd, del, (void *)&obj) == -1) { 2067145510Sdarrenr if ((opts & OPT_DONOTHING) != 0) { 2068145510Sdarrenr fprintf(stderr, "%d:", yylineNum); 2069145510Sdarrenr perror("ioctl(delete rule)"); 2070145510Sdarrenr } 2071145510Sdarrenr } 2072145510Sdarrenr } else { 2073145510Sdarrenr if ((*ioctlfunc)(fd, add, (void *)&obj) == -1) { 2074145510Sdarrenr if (!(opts & OPT_DONOTHING)) { 2075145510Sdarrenr fprintf(stderr, "%d:", yylineNum); 2076145510Sdarrenr perror("ioctl(add/insert rule)"); 2077145510Sdarrenr } 2078145510Sdarrenr } 2079145510Sdarrenr } 2080145510Sdarrenr} 2081145510Sdarrenr 2082145510Sdarrenrstatic void setsyslog() 2083145510Sdarrenr{ 2084145510Sdarrenr yysetdict(logwords); 2085145510Sdarrenr yybreakondot = 1; 2086145510Sdarrenr} 2087145510Sdarrenr 2088145510Sdarrenr 2089145510Sdarrenrstatic void unsetsyslog() 2090145510Sdarrenr{ 2091145510Sdarrenr yyresetdict(); 2092145510Sdarrenr yybreakondot = 0; 2093145510Sdarrenr} 2094145510Sdarrenr 2095145510Sdarrenr 2096145510Sdarrenrstatic void fillgroup(fr) 2097145510Sdarrenrfrentry_t *fr; 2098145510Sdarrenr{ 2099145510Sdarrenr frentry_t *f; 2100145510Sdarrenr 2101145510Sdarrenr for (f = frold; f != NULL; f = f->fr_next) 2102145510Sdarrenr if (strncmp(f->fr_grhead, fr->fr_group, FR_GROUPLEN) == 0) 2103145510Sdarrenr break; 2104145510Sdarrenr if (f == NULL) 2105145510Sdarrenr return; 2106145510Sdarrenr 2107145510Sdarrenr /* 2108145510Sdarrenr * Only copy down matching fields if the rules are of the same type 2109145510Sdarrenr * and are of ipf type. The only fields that are copied are those 2110145510Sdarrenr * that impact the rule parsing itself, eg. need for knowing what the 2111145510Sdarrenr * protocol should be for rules with port comparisons in them. 2112145510Sdarrenr */ 2113145510Sdarrenr if (f->fr_type != fr->fr_type || f->fr_type != FR_T_IPF) 2114145510Sdarrenr return; 2115145510Sdarrenr 2116145510Sdarrenr if (fr->fr_v == 0 && f->fr_v != 0) 2117145510Sdarrenr fr->fr_v = f->fr_v; 2118145510Sdarrenr 2119145510Sdarrenr if (fr->fr_mproto == 0 && f->fr_mproto != 0) 2120145510Sdarrenr fr->fr_mproto = f->fr_mproto; 2121145510Sdarrenr if (fr->fr_proto == 0 && f->fr_proto != 0) 2122145510Sdarrenr fr->fr_proto = f->fr_proto; 2123145510Sdarrenr 2124145510Sdarrenr if ((fr->fr_mproto == 0) && ((fr->fr_flx & FI_TCPUDP) == 0) && 2125145510Sdarrenr ((f->fr_flx & FI_TCPUDP) != 0)) 2126145510Sdarrenr fr->fr_flx |= FI_TCPUDP; 2127145510Sdarrenr} 2128