ipf_y.y revision 145510
1145510Sdarrenr/* $NetBSD$ */ 2145510Sdarrenr 3145510Sdarrenr%{ 4145510Sdarrenr#include "ipf.h" 5145510Sdarrenr#include <sys/ioctl.h> 6145510Sdarrenr#include <syslog.h> 7145510Sdarrenr#ifdef IPFILTER_BPF 8145510Sdarrenr# include <pcap-bpf.h> 9145510Sdarrenr# include <pcap.h> 10145510Sdarrenr#endif 11145510Sdarrenr#include "netinet/ip_pool.h" 12145510Sdarrenr#include "netinet/ip_htable.h" 13145510Sdarrenr#include "netinet/ipl.h" 14145510Sdarrenr#include "ipf_l.h" 15145510Sdarrenr 16145510Sdarrenr#define YYDEBUG 1 17145510Sdarrenr#define DOALL(x) for (fr = frc; fr != NULL; fr = fr->fr_next) { x } 18145510Sdarrenr#define DOREM(x) for (; fr != NULL; fr = fr->fr_next) { x } 19145510Sdarrenr 20145510Sdarrenrextern void yyerror __P((char *)); 21145510Sdarrenrextern int yyparse __P((void)); 22145510Sdarrenrextern int yylex __P((void)); 23145510Sdarrenrextern int yydebug; 24145510Sdarrenrextern FILE *yyin; 25145510Sdarrenrextern int yylineNum; 26145510Sdarrenr 27145510Sdarrenrstatic void newrule __P((void)); 28145510Sdarrenrstatic void setipftype __P((void)); 29145510Sdarrenrstatic u_32_t lookuphost __P((char *)); 30145510Sdarrenrstatic void dobpf __P((int, char *)); 31145510Sdarrenrstatic void resetaddr __P((void)); 32145510Sdarrenrstatic struct alist_s *newalist __P((struct alist_s *)); 33145510Sdarrenrstatic u_int makehash __P((struct alist_s *)); 34145510Sdarrenrstatic int makepool __P((struct alist_s *)); 35145510Sdarrenrstatic frentry_t *addrule __P((void)); 36145510Sdarrenrstatic void setsyslog __P((void)); 37145510Sdarrenrstatic void unsetsyslog __P((void)); 38145510Sdarrenrstatic void fillgroup __P((frentry_t *)); 39145510Sdarrenr 40145510Sdarrenrfrentry_t *fr = NULL, *frc = NULL, *frtop = NULL, *frold = NULL; 41145510Sdarrenr 42145510Sdarrenrstatic int ifpflag = 0; 43145510Sdarrenrstatic int nowith = 0; 44145510Sdarrenrstatic int dynamic = -1; 45145510Sdarrenrstatic int pooled = 0; 46145510Sdarrenrstatic int hashed = 0; 47145510Sdarrenrstatic int nrules = 0; 48145510Sdarrenrstatic int newlist = 0; 49145510Sdarrenrstatic int added = 0; 50145510Sdarrenrstatic int ipffd = -1; 51145510Sdarrenrstatic int *yycont = 0; 52145510Sdarrenrstatic ioctlfunc_t ipfioctl[IPL_LOGSIZE]; 53145510Sdarrenrstatic addfunc_t ipfaddfunc = NULL; 54145510Sdarrenrstatic struct wordtab ipfwords[95]; 55145510Sdarrenrstatic struct wordtab addrwords[4]; 56145510Sdarrenrstatic struct wordtab maskwords[5]; 57145510Sdarrenrstatic struct wordtab icmpcodewords[17]; 58145510Sdarrenrstatic struct wordtab icmptypewords[16]; 59145510Sdarrenrstatic struct wordtab ipv4optwords[25]; 60145510Sdarrenrstatic struct wordtab ipv4secwords[9]; 61145510Sdarrenrstatic struct wordtab ipv6optwords[8]; 62145510Sdarrenrstatic struct wordtab logwords[33]; 63145510Sdarrenr 64145510Sdarrenr%} 65145510Sdarrenr%union { 66145510Sdarrenr char *str; 67145510Sdarrenr u_32_t num; 68145510Sdarrenr struct in_addr ipa; 69145510Sdarrenr frentry_t fr; 70145510Sdarrenr frtuc_t *frt; 71145510Sdarrenr struct alist_s *alist; 72145510Sdarrenr u_short port; 73145510Sdarrenr struct { 74145510Sdarrenr u_short p1; 75145510Sdarrenr u_short p2; 76145510Sdarrenr int pc; 77145510Sdarrenr } pc; 78145510Sdarrenr struct { 79145510Sdarrenr union i6addr a; 80145510Sdarrenr union i6addr m; 81145510Sdarrenr } ipp; 82145510Sdarrenr union i6addr ip6; 83145510Sdarrenr}; 84145510Sdarrenr 85145510Sdarrenr%type <port> portnum 86145510Sdarrenr%type <num> facility priority icmpcode seclevel secname icmptype 87145510Sdarrenr%type <num> opt compare range opttype flagset optlist ipv6hdrlist ipv6hdr 88145510Sdarrenr%type <num> portc porteq 89145510Sdarrenr%type <ipa> hostname ipv4 ipv4mask ipv4_16 ipv4_24 90145510Sdarrenr%type <ip6> ipv6mask 91145510Sdarrenr%type <ipp> addr ipaddr 92145510Sdarrenr%type <str> servicename name interfacename 93145510Sdarrenr%type <pc> portrange portcomp 94145510Sdarrenr%type <alist> addrlist poollist 95145510Sdarrenr 96145510Sdarrenr%token <num> YY_NUMBER YY_HEX 97145510Sdarrenr%token <str> YY_STR 98145510Sdarrenr%token YY_COMMENT 99145510Sdarrenr%token YY_CMP_EQ YY_CMP_NE YY_CMP_LE YY_CMP_GE YY_CMP_LT YY_CMP_GT 100145510Sdarrenr%token YY_RANGE_OUT YY_RANGE_IN 101145510Sdarrenr%token <ip6> YY_IPV6 102145510Sdarrenr 103145510Sdarrenr%token IPFY_PASS IPFY_BLOCK IPFY_COUNT IPFY_CALL 104145510Sdarrenr%token IPFY_RETICMP IPFY_RETRST IPFY_RETICMPASDST 105145510Sdarrenr%token IPFY_IN IPFY_OUT 106145510Sdarrenr%token IPFY_QUICK IPFY_ON IPFY_OUTVIA IPFY_INVIA 107145510Sdarrenr%token IPFY_DUPTO IPFY_TO IPFY_FROUTE IPFY_REPLY_TO IPFY_ROUTETO 108145510Sdarrenr%token IPFY_TOS IPFY_TTL IPFY_PROTO 109145510Sdarrenr%token IPFY_HEAD IPFY_GROUP 110145510Sdarrenr%token IPFY_AUTH IPFY_PREAUTH 111145510Sdarrenr%token IPFY_LOG IPFY_BODY IPFY_FIRST IPFY_LEVEL IPFY_ORBLOCK 112145510Sdarrenr%token IPFY_LOGTAG IPFY_MATCHTAG IPFY_SETTAG IPFY_SKIP 113145510Sdarrenr%token IPFY_FROM IPFY_ALL IPFY_ANY IPFY_BPFV4 IPFY_BPFV6 IPFY_POOL IPFY_HASH 114145510Sdarrenr%token IPFY_PPS 115145510Sdarrenr%token IPFY_ESP IPFY_AH 116145510Sdarrenr%token IPFY_WITH IPFY_AND IPFY_NOT IPFY_NO IPFY_OPT 117145510Sdarrenr%token IPFY_TCPUDP IPFY_TCP IPFY_UDP 118145510Sdarrenr%token IPFY_FLAGS IPFY_MULTICAST 119145510Sdarrenr%token IPFY_MASK IPFY_BROADCAST IPFY_NETWORK IPFY_NETMASKED IPFY_PEER 120145510Sdarrenr%token IPFY_PORT 121145510Sdarrenr%token IPFY_NOW 122145510Sdarrenr%token IPFY_ICMP IPFY_ICMPTYPE IPFY_ICMPCODE 123145510Sdarrenr%token IPFY_IPOPTS IPFY_SHORT IPFY_NAT IPFY_BADSRC IPFY_LOWTTL IPFY_FRAG 124145510Sdarrenr%token IPFY_MBCAST IPFY_BAD IPFY_BADNAT IPFY_OOW IPFY_NEWISN IPFY_NOICMPERR 125145510Sdarrenr%token IPFY_KEEP IPFY_STATE IPFY_FRAGS IPFY_LIMIT IPFY_STRICT IPFY_AGE 126145510Sdarrenr%token IPFY_SYNC IPFY_FRAGBODY 127145510Sdarrenr%token IPFY_IPOPT_NOP IPFY_IPOPT_RR IPFY_IPOPT_ZSU IPFY_IPOPT_MTUP 128145510Sdarrenr%token IPFY_IPOPT_MTUR IPFY_IPOPT_ENCODE IPFY_IPOPT_TS IPFY_IPOPT_TR 129145510Sdarrenr%token IPFY_IPOPT_SEC IPFY_IPOPT_LSRR IPFY_IPOPT_ESEC IPFY_IPOPT_CIPSO 130145510Sdarrenr%token IPFY_IPOPT_SATID IPFY_IPOPT_SSRR IPFY_IPOPT_ADDEXT IPFY_IPOPT_VISA 131145510Sdarrenr%token IPFY_IPOPT_IMITD IPFY_IPOPT_EIP IPFY_IPOPT_FINN IPFY_IPOPT_DPS 132145510Sdarrenr%token IPFY_IPOPT_SDB IPFY_IPOPT_NSAPA IPFY_IPOPT_RTRALRT IPFY_IPOPT_UMP 133145510Sdarrenr%token IPFY_SECCLASS IPFY_SEC_UNC IPFY_SEC_CONF IPFY_SEC_RSV1 IPFY_SEC_RSV2 134145510Sdarrenr%token IPFY_SEC_RSV4 IPFY_SEC_SEC IPFY_SEC_TS IPFY_SEC_RSV3 135145510Sdarrenr 136145510Sdarrenr%token IPF6_V6HDRS IPFY_IPV6OPT IPFY_IPV6OPT_DSTOPTS IPFY_IPV6OPT_HOPOPTS 137145510Sdarrenr%token IPFY_IPV6OPT_IPV6 IPFY_IPV6OPT_NONE IPFY_IPV6OPT_ROUTING 138145510Sdarrenr 139145510Sdarrenr%token IPFY_ICMPT_UNR IPFY_ICMPT_ECHO IPFY_ICMPT_ECHOR IPFY_ICMPT_SQUENCH 140145510Sdarrenr%token IPFY_ICMPT_REDIR IPFY_ICMPT_TIMEX IPFY_ICMPT_PARAMP IPFY_ICMPT_TIMEST 141145510Sdarrenr%token IPFY_ICMPT_TIMESTREP IPFY_ICMPT_INFOREQ IPFY_ICMPT_INFOREP 142145510Sdarrenr%token IPFY_ICMPT_MASKREQ IPFY_ICMPT_MASKREP IPFY_ICMPT_ROUTERAD 143145510Sdarrenr%token IPFY_ICMPT_ROUTERSOL 144145510Sdarrenr 145145510Sdarrenr%token IPFY_ICMPC_NETUNR IPFY_ICMPC_HSTUNR IPFY_ICMPC_PROUNR IPFY_ICMPC_PORUNR 146145510Sdarrenr%token IPFY_ICMPC_NEEDF IPFY_ICMPC_SRCFAIL IPFY_ICMPC_NETUNK IPFY_ICMPC_HSTUNK 147145510Sdarrenr%token IPFY_ICMPC_ISOLATE IPFY_ICMPC_NETPRO IPFY_ICMPC_HSTPRO 148145510Sdarrenr%token IPFY_ICMPC_NETTOS IPFY_ICMPC_HSTTOS IPFY_ICMPC_FLTPRO IPFY_ICMPC_HSTPRE 149145510Sdarrenr%token IPFY_ICMPC_CUTPRE 150145510Sdarrenr 151145510Sdarrenr%token IPFY_FAC_KERN IPFY_FAC_USER IPFY_FAC_MAIL IPFY_FAC_DAEMON IPFY_FAC_AUTH 152145510Sdarrenr%token IPFY_FAC_SYSLOG IPFY_FAC_LPR IPFY_FAC_NEWS IPFY_FAC_UUCP IPFY_FAC_CRON 153145510Sdarrenr%token IPFY_FAC_LOCAL0 IPFY_FAC_LOCAL1 IPFY_FAC_LOCAL2 IPFY_FAC_LOCAL3 154145510Sdarrenr%token IPFY_FAC_LOCAL4 IPFY_FAC_LOCAL5 IPFY_FAC_LOCAL6 IPFY_FAC_LOCAL7 155145510Sdarrenr%token IPFY_FAC_SECURITY IPFY_FAC_FTP IPFY_FAC_AUTHPRIV IPFY_FAC_AUDIT 156145510Sdarrenr%token IPFY_FAC_LFMT IPFY_FAC_CONSOLE 157145510Sdarrenr 158145510Sdarrenr%token IPFY_PRI_EMERG IPFY_PRI_ALERT IPFY_PRI_CRIT IPFY_PRI_ERR IPFY_PRI_WARN 159145510Sdarrenr%token IPFY_PRI_NOTICE IPFY_PRI_INFO IPFY_PRI_DEBUG 160145510Sdarrenr%% 161145510Sdarrenrfile: line 162145510Sdarrenr | assign 163145510Sdarrenr | file line 164145510Sdarrenr | file assign 165145510Sdarrenr ; 166145510Sdarrenr 167145510Sdarrenrline: xx rule { while ((fr = frtop) != NULL) { 168145510Sdarrenr frtop = fr->fr_next; 169145510Sdarrenr fr->fr_next = NULL; 170145510Sdarrenr (*ipfaddfunc)(ipffd, ipfioctl[IPL_LOGIPF], fr); 171145510Sdarrenr fr->fr_next = frold; 172145510Sdarrenr frold = fr; 173145510Sdarrenr } 174145510Sdarrenr resetlexer(); 175145510Sdarrenr } 176145510Sdarrenr | YY_COMMENT 177145510Sdarrenr ; 178145510Sdarrenr 179145510Sdarrenrxx: { newrule(); } 180145510Sdarrenr ; 181145510Sdarrenr 182145510Sdarrenrassign: YY_STR assigning YY_STR ';' { set_variable($1, $3); 183145510Sdarrenr resetlexer(); 184145510Sdarrenr free($1); 185145510Sdarrenr free($3); 186145510Sdarrenr } 187145510Sdarrenr ; 188145510Sdarrenr 189145510Sdarrenrassigning: 190145510Sdarrenr '=' { yyvarnext = 1; } 191145510Sdarrenr ; 192145510Sdarrenr 193145510Sdarrenrrule: inrule eol 194145510Sdarrenr | outrule eol 195145510Sdarrenr ; 196145510Sdarrenr 197145510Sdarrenreol: | ';' 198145510Sdarrenr ; 199145510Sdarrenr 200145510Sdarrenrinrule: 201145510Sdarrenr rulehead markin inopts rulemain ruletail intag ruletail2 202145510Sdarrenr ; 203145510Sdarrenr 204145510Sdarrenroutrule: 205145510Sdarrenr rulehead markout outopts rulemain ruletail outtag ruletail2 206145510Sdarrenr ; 207145510Sdarrenr 208145510Sdarrenrrulehead: 209145510Sdarrenr collection action 210145510Sdarrenr | insert collection action 211145510Sdarrenr ; 212145510Sdarrenr 213145510Sdarrenrmarkin: IPFY_IN { fr->fr_flags |= FR_INQUE; } 214145510Sdarrenr ; 215145510Sdarrenr 216145510Sdarrenrmarkout: 217145510Sdarrenr IPFY_OUT { fr->fr_flags |= FR_OUTQUE; } 218145510Sdarrenr ; 219145510Sdarrenr 220145510Sdarrenrrulemain: 221145510Sdarrenr ipfrule 222145510Sdarrenr | bpfrule 223145510Sdarrenr ; 224145510Sdarrenr 225145510Sdarrenripfrule: 226145510Sdarrenr tos ttl proto ip 227145510Sdarrenr ; 228145510Sdarrenr 229145510Sdarrenrbpfrule: 230145510Sdarrenr IPFY_BPFV4 '{' YY_STR '}' { dobpf(4, $3); free($3); } 231145510Sdarrenr | IPFY_BPFV6 '{' YY_STR '}' { dobpf(6, $3); free($3); } 232145510Sdarrenr ; 233145510Sdarrenr 234145510Sdarrenrruletail: 235145510Sdarrenr with keep head group 236145510Sdarrenr ; 237145510Sdarrenr 238145510Sdarrenrruletail2: 239145510Sdarrenr pps age new 240145510Sdarrenr ; 241145510Sdarrenr 242145510Sdarrenrintag: settagin matchtagin 243145510Sdarrenr ; 244145510Sdarrenr 245145510Sdarrenrouttag: settagout matchtagout 246145510Sdarrenr ; 247145510Sdarrenr 248145510Sdarrenrinsert: 249145510Sdarrenr '@' YY_NUMBER { fr->fr_hits = (U_QUAD_T)$2 + 1; } 250145510Sdarrenr ; 251145510Sdarrenr 252145510Sdarrenrcollection: 253145510Sdarrenr | YY_NUMBER { fr->fr_collect = $1; } 254145510Sdarrenr ; 255145510Sdarrenr 256145510Sdarrenraction: block 257145510Sdarrenr | IPFY_PASS { fr->fr_flags |= FR_PASS; } 258145510Sdarrenr | log 259145510Sdarrenr | IPFY_COUNT { fr->fr_flags |= FR_ACCOUNT; } 260145510Sdarrenr | auth 261145510Sdarrenr | IPFY_SKIP YY_NUMBER { fr->fr_flags |= FR_SKIP; 262145510Sdarrenr fr->fr_arg = $2; } 263145510Sdarrenr | IPFY_CALL func 264145510Sdarrenr | IPFY_CALL IPFY_NOW func { fr->fr_flags |= FR_CALLNOW; } 265145510Sdarrenr ; 266145510Sdarrenr 267145510Sdarrenrblock: blocked 268145510Sdarrenr | blocked blockreturn 269145510Sdarrenr ; 270145510Sdarrenr 271145510Sdarrenrblocked: 272145510Sdarrenr IPFY_BLOCK { fr->fr_flags = FR_BLOCK; } 273145510Sdarrenr ; 274145510Sdarrenrblockreturn: 275145510Sdarrenr IPFY_RETICMP { fr->fr_flags |= FR_RETICMP; } 276145510Sdarrenr | IPFY_RETICMP returncode { fr->fr_flags |= FR_RETICMP; } 277145510Sdarrenr | IPFY_RETICMPASDST { fr->fr_flags |= FR_FAKEICMP; } 278145510Sdarrenr | IPFY_RETICMPASDST returncode { fr->fr_flags |= FR_FAKEICMP; } 279145510Sdarrenr | IPFY_RETRST { fr->fr_flags |= FR_RETRST; } 280145510Sdarrenr ; 281145510Sdarrenr 282145510Sdarrenrlog: IPFY_LOG { fr->fr_flags |= FR_LOG; } 283145510Sdarrenr | IPFY_LOG logoptions { fr->fr_flags |= FR_LOG; } 284145510Sdarrenr ; 285145510Sdarrenr 286145510Sdarrenrauth: IPFY_AUTH { fr->fr_flags |= FR_AUTH; } 287145510Sdarrenr | IPFY_AUTH IPFY_RETRST { fr->fr_flags |= (FR_AUTH|FR_RETRST);} 288145510Sdarrenr | IPFY_PREAUTH { fr->fr_flags |= FR_PREAUTH; } 289145510Sdarrenr ; 290145510Sdarrenr 291145510Sdarrenrfunc: YY_STR '/' YY_NUMBER { fr->fr_func = nametokva($1, 292145510Sdarrenr ipfioctl[IPL_LOGIPF]); 293145510Sdarrenr fr->fr_arg = $3; 294145510Sdarrenr free($1); } 295145510Sdarrenr ; 296145510Sdarrenr 297145510Sdarrenrinopts: 298145510Sdarrenr | inopts inopt 299145510Sdarrenr ; 300145510Sdarrenr 301145510Sdarrenrinopt: 302145510Sdarrenr logopt 303145510Sdarrenr | quick 304145510Sdarrenr | on 305145510Sdarrenr | dup 306145510Sdarrenr | froute 307145510Sdarrenr | proute 308145510Sdarrenr | replyto 309145510Sdarrenr ; 310145510Sdarrenr 311145510Sdarrenroutopts: 312145510Sdarrenr | outopts outopt 313145510Sdarrenr ; 314145510Sdarrenr 315145510Sdarrenroutopt: 316145510Sdarrenr logopt 317145510Sdarrenr | quick 318145510Sdarrenr | on 319145510Sdarrenr | dup 320145510Sdarrenr | proute 321145510Sdarrenr | replyto 322145510Sdarrenr ; 323145510Sdarrenr 324145510Sdarrenrtos: | settos YY_NUMBER { DOALL(fr->fr_tos = $2; fr->fr_mtos = 0xff;) } 325145510Sdarrenr | settos YY_HEX { DOALL(fr->fr_tos = $2; fr->fr_mtos = 0xff;) } 326145510Sdarrenr | settos lstart toslist lend 327145510Sdarrenr ; 328145510Sdarrenr 329145510Sdarrenrsettos: IPFY_TOS { setipftype(); } 330145510Sdarrenr ; 331145510Sdarrenr 332145510Sdarrenrtoslist: 333145510Sdarrenr YY_NUMBER { DOALL(fr->fr_tos = $1; fr->fr_mtos = 0xff;) } 334145510Sdarrenr | YY_HEX { DOREM(fr->fr_tos = $1; fr->fr_mtos = 0xff;) } 335145510Sdarrenr | toslist lmore YY_NUMBER 336145510Sdarrenr { DOREM(fr->fr_tos = $3; fr->fr_mtos = 0xff;) } 337145510Sdarrenr | toslist lmore YY_HEX 338145510Sdarrenr { DOREM(fr->fr_tos = $3; fr->fr_mtos = 0xff;) } 339145510Sdarrenr ; 340145510Sdarrenr 341145510Sdarrenrttl: | setttl YY_NUMBER 342145510Sdarrenr { DOALL(fr->fr_ttl = $2; fr->fr_mttl = 0xff;) } 343145510Sdarrenr | setttl lstart ttllist lend 344145510Sdarrenr ; 345145510Sdarrenr 346145510Sdarrenrlstart: '(' { newlist = 1; fr = frc; added = 0; } 347145510Sdarrenr ; 348145510Sdarrenr 349145510Sdarrenrlend: ')' { nrules += added; } 350145510Sdarrenr ; 351145510Sdarrenr 352145510Sdarrenrlmore: lanother { if (newlist == 1) { 353145510Sdarrenr newlist = 0; 354145510Sdarrenr } 355145510Sdarrenr fr = addrule(); 356145510Sdarrenr if (yycont != NULL) 357145510Sdarrenr *yycont = 1; 358145510Sdarrenr } 359145510Sdarrenr ; 360145510Sdarrenr 361145510Sdarrenrlanother: 362145510Sdarrenr | ',' 363145510Sdarrenr ; 364145510Sdarrenr 365145510Sdarrenrsetttl: IPFY_TTL { setipftype(); } 366145510Sdarrenr ; 367145510Sdarrenr 368145510Sdarrenrttllist: 369145510Sdarrenr YY_NUMBER { DOREM(fr->fr_ttl = $1; fr->fr_mttl = 0xff;) } 370145510Sdarrenr | ttllist lmore YY_NUMBER 371145510Sdarrenr { DOREM(fr->fr_ttl = $3; fr->fr_mttl = 0xff;) } 372145510Sdarrenr ; 373145510Sdarrenr 374145510Sdarrenrproto: | protox protocol { yyresetdict(); } 375145510Sdarrenr ; 376145510Sdarrenr 377145510Sdarrenrprotox: IPFY_PROTO { setipftype(); 378145510Sdarrenr fr = frc; 379145510Sdarrenr yysetdict(NULL); } 380145510Sdarrenr ; 381145510Sdarrenr 382145510Sdarrenrip: srcdst flags icmp 383145510Sdarrenr ; 384145510Sdarrenr 385145510Sdarrenrgroup: | IPFY_GROUP YY_STR { DOALL(strncpy(fr->fr_group, $2, \ 386145510Sdarrenr FR_GROUPLEN); \ 387145510Sdarrenr fillgroup(fr);); 388145510Sdarrenr free($2); } 389145510Sdarrenr | IPFY_GROUP YY_NUMBER { DOALL(sprintf(fr->fr_group, "%d", \ 390145510Sdarrenr $2); \ 391145510Sdarrenr fillgroup(fr);) } 392145510Sdarrenr ; 393145510Sdarrenr 394145510Sdarrenrhead: | IPFY_HEAD YY_STR { DOALL(strncpy(fr->fr_grhead, $2, \ 395145510Sdarrenr FR_GROUPLEN);); 396145510Sdarrenr free($2); } 397145510Sdarrenr | IPFY_HEAD YY_NUMBER { DOALL(sprintf(fr->fr_grhead, "%d", \ 398145510Sdarrenr $2);) } 399145510Sdarrenr ; 400145510Sdarrenr 401145510Sdarrenrsettagin: 402145510Sdarrenr | IPFY_SETTAG '(' taginlist ')' 403145510Sdarrenr ; 404145510Sdarrenr 405145510Sdarrenrtaginlist: 406145510Sdarrenr taginspec 407145510Sdarrenr | taginlist ',' taginspec 408145510Sdarrenr ; 409145510Sdarrenr 410145510Sdarrenrtaginspec: 411145510Sdarrenr logtag 412145510Sdarrenr ; 413145510Sdarrenr 414145510Sdarrenrnattag: IPFY_NAT '=' YY_STR { DOALL(strncpy(fr->fr_nattag.ipt_tag,\ 415145510Sdarrenr $3, IPFTAG_LEN);); 416145510Sdarrenr free($3); } 417145510Sdarrenr | IPFY_NAT '=' YY_NUMBER { DOALL(sprintf(fr->fr_nattag.ipt_tag,\ 418145510Sdarrenr "%d", $3 & 0xffffffff);) } 419145510Sdarrenr ; 420145510Sdarrenr 421145510Sdarrenrlogtag: IPFY_LOG '=' YY_NUMBER { DOALL(fr->fr_logtag = $3;) } 422145510Sdarrenr ; 423145510Sdarrenr 424145510Sdarrenrsettagout: 425145510Sdarrenr | IPFY_SETTAG '(' tagoutlist ')' 426145510Sdarrenr ; 427145510Sdarrenr 428145510Sdarrenrtagoutlist: 429145510Sdarrenr tagoutspec 430145510Sdarrenr | tagoutlist ',' tagoutspec 431145510Sdarrenr ; 432145510Sdarrenr 433145510Sdarrenrtagoutspec: 434145510Sdarrenr logtag 435145510Sdarrenr | nattag 436145510Sdarrenr ; 437145510Sdarrenr 438145510Sdarrenrmatchtagin: 439145510Sdarrenr | IPFY_MATCHTAG '(' tagoutlist ')' 440145510Sdarrenr ; 441145510Sdarrenr 442145510Sdarrenrmatchtagout: 443145510Sdarrenr | IPFY_MATCHTAG '(' taginlist ')' 444145510Sdarrenr ; 445145510Sdarrenr 446145510Sdarrenrpps: | IPFY_PPS YY_NUMBER { DOALL(fr->fr_pps = $2;) } 447145510Sdarrenr ; 448145510Sdarrenr 449145510Sdarrenrnew: | savegroup file restoregroup 450145510Sdarrenr ; 451145510Sdarrenr 452145510Sdarrenrsavegroup: 453145510Sdarrenr '{' 454145510Sdarrenr ; 455145510Sdarrenr 456145510Sdarrenrrestoregroup: 457145510Sdarrenr '}' 458145510Sdarrenr ; 459145510Sdarrenr 460145510Sdarrenrlogopt: log 461145510Sdarrenr ; 462145510Sdarrenr 463145510Sdarrenrquick: 464145510Sdarrenr IPFY_QUICK { fr->fr_flags |= FR_QUICK; } 465145510Sdarrenr ; 466145510Sdarrenr 467145510Sdarrenron: IPFY_ON onname 468145510Sdarrenr | IPFY_ON onname IPFY_INVIA vianame 469145510Sdarrenr | IPFY_ON onname IPFY_OUTVIA vianame 470145510Sdarrenr ; 471145510Sdarrenr 472145510Sdarrenronname: interfacename 473145510Sdarrenr { strncpy(fr->fr_ifnames[0], $1, sizeof(fr->fr_ifnames[0])); 474145510Sdarrenr free($1); 475145510Sdarrenr } 476145510Sdarrenr | interfacename ',' interfacename 477145510Sdarrenr { strncpy(fr->fr_ifnames[0], $1, sizeof(fr->fr_ifnames[0])); 478145510Sdarrenr free($1); 479145510Sdarrenr strncpy(fr->fr_ifnames[1], $3, sizeof(fr->fr_ifnames[1])); 480145510Sdarrenr free($3); 481145510Sdarrenr } 482145510Sdarrenr ; 483145510Sdarrenr 484145510Sdarrenrvianame: 485145510Sdarrenr name 486145510Sdarrenr { strncpy(fr->fr_ifnames[2], $1, sizeof(fr->fr_ifnames[2])); 487145510Sdarrenr free($1); 488145510Sdarrenr } 489145510Sdarrenr | name ',' name 490145510Sdarrenr { strncpy(fr->fr_ifnames[2], $1, sizeof(fr->fr_ifnames[2])); 491145510Sdarrenr free($1); 492145510Sdarrenr strncpy(fr->fr_ifnames[3], $3, sizeof(fr->fr_ifnames[3])); 493145510Sdarrenr free($3); 494145510Sdarrenr } 495145510Sdarrenr ; 496145510Sdarrenr 497145510Sdarrenrdup: IPFY_DUPTO name 498145510Sdarrenr { strncpy(fr->fr_dif.fd_ifname, $2, sizeof(fr->fr_dif.fd_ifname)); 499145510Sdarrenr free($2); 500145510Sdarrenr } 501145510Sdarrenr | IPFY_DUPTO name duptoseparator hostname 502145510Sdarrenr { strncpy(fr->fr_dif.fd_ifname, $2, sizeof(fr->fr_dif.fd_ifname)); 503145510Sdarrenr fr->fr_dif.fd_ip = $4; 504145510Sdarrenr yyexpectaddr = 0; 505145510Sdarrenr free($2); 506145510Sdarrenr } 507145510Sdarrenr | IPFY_DUPTO name duptoseparator YY_IPV6 508145510Sdarrenr { strncpy(fr->fr_dif.fd_ifname, $2, sizeof(fr->fr_dif.fd_ifname)); 509145510Sdarrenr bcopy(&$4, &fr->fr_dif.fd_ip6, sizeof(fr->fr_dif.fd_ip6)); 510145510Sdarrenr yyexpectaddr = 0; 511145510Sdarrenr free($2); 512145510Sdarrenr } 513145510Sdarrenr ; 514145510Sdarrenr 515145510Sdarrenrduptoseparator: 516145510Sdarrenr ':' { yyexpectaddr = 1; yycont = &yyexpectaddr; resetaddr(); } 517145510Sdarrenr ; 518145510Sdarrenr 519145510Sdarrenrfroute: IPFY_FROUTE { fr->fr_flags |= FR_FASTROUTE; } 520145510Sdarrenr ; 521145510Sdarrenr 522145510Sdarrenrproute: routeto name 523145510Sdarrenr { strncpy(fr->fr_tif.fd_ifname, $2, sizeof(fr->fr_tif.fd_ifname)); 524145510Sdarrenr free($2); 525145510Sdarrenr } 526145510Sdarrenr | routeto name duptoseparator hostname 527145510Sdarrenr { strncpy(fr->fr_tif.fd_ifname, $2, sizeof(fr->fr_tif.fd_ifname)); 528145510Sdarrenr fr->fr_tif.fd_ip = $4; 529145510Sdarrenr yyexpectaddr = 0; 530145510Sdarrenr free($2); 531145510Sdarrenr } 532145510Sdarrenr | routeto name duptoseparator YY_IPV6 533145510Sdarrenr { strncpy(fr->fr_tif.fd_ifname, $2, sizeof(fr->fr_tif.fd_ifname)); 534145510Sdarrenr bcopy(&$4, &fr->fr_tif.fd_ip6, sizeof(fr->fr_tif.fd_ip6)); 535145510Sdarrenr yyexpectaddr = 0; 536145510Sdarrenr free($2); 537145510Sdarrenr } 538145510Sdarrenr ; 539145510Sdarrenr 540145510Sdarrenrrouteto: 541145510Sdarrenr IPFY_TO 542145510Sdarrenr | IPFY_ROUTETO 543145510Sdarrenr ; 544145510Sdarrenr 545145510Sdarrenrreplyto: 546145510Sdarrenr IPFY_REPLY_TO name 547145510Sdarrenr { strncpy(fr->fr_rif.fd_ifname, $2, sizeof(fr->fr_rif.fd_ifname)); 548145510Sdarrenr free($2); 549145510Sdarrenr } 550145510Sdarrenr | IPFY_REPLY_TO name duptoseparator hostname 551145510Sdarrenr { strncpy(fr->fr_rif.fd_ifname, $2, sizeof(fr->fr_rif.fd_ifname)); 552145510Sdarrenr fr->fr_rif.fd_ip = $4; 553145510Sdarrenr free($2); 554145510Sdarrenr } 555145510Sdarrenr ; 556145510Sdarrenr 557145510Sdarrenrlogoptions: 558145510Sdarrenr logoption 559145510Sdarrenr | logoptions logoption 560145510Sdarrenr ; 561145510Sdarrenr 562145510Sdarrenrlogoption: 563145510Sdarrenr IPFY_BODY { fr->fr_flags |= FR_LOGBODY; } 564145510Sdarrenr | IPFY_FIRST { fr->fr_flags |= FR_LOGFIRST; } 565145510Sdarrenr | IPFY_ORBLOCK { fr->fr_flags |= FR_LOGORBLOCK; } 566145510Sdarrenr | level loglevel { unsetsyslog(); } 567145510Sdarrenr ; 568145510Sdarrenr 569145510Sdarrenrreturncode: 570145510Sdarrenr starticmpcode icmpcode ')' { fr->fr_icode = $2; yyresetdict(); } 571145510Sdarrenr ; 572145510Sdarrenr 573145510Sdarrenrstarticmpcode: 574145510Sdarrenr '(' { yysetdict(icmpcodewords); } 575145510Sdarrenr ; 576145510Sdarrenr 577145510Sdarrenrsrcdst: | IPFY_ALL 578145510Sdarrenr | fromto 579145510Sdarrenr ; 580145510Sdarrenr 581145510Sdarrenrprotocol: 582145510Sdarrenr YY_NUMBER { DOREM(fr->fr_proto = $1; \ 583145510Sdarrenr fr->fr_mproto = 0xff;) } 584145510Sdarrenr | YY_STR { if (!strcmp($1, "tcp-udp")) { 585145510Sdarrenr DOREM(fr->fr_flx |= FI_TCPUDP; \ 586145510Sdarrenr fr->fr_mflx |= FI_TCPUDP;) 587145510Sdarrenr } else { 588145510Sdarrenr int p = getproto($1); 589145510Sdarrenr if (p == -1) 590145510Sdarrenr yyerror("protocol unknown"); 591145510Sdarrenr DOREM(fr->fr_proto = p; \ 592145510Sdarrenr fr->fr_mproto = 0xff;) 593145510Sdarrenr } 594145510Sdarrenr free($1); 595145510Sdarrenr } 596145510Sdarrenr | YY_STR nextstring YY_STR 597145510Sdarrenr { if (!strcmp($1, "tcp") && 598145510Sdarrenr !strcmp($3, "udp")) { 599145510Sdarrenr DOREM(fr->fr_flx |= FI_TCPUDP; \ 600145510Sdarrenr fr->fr_mflx |= FI_TCPUDP;) 601145510Sdarrenr } else 602145510Sdarrenr YYERROR; 603145510Sdarrenr free($1); 604145510Sdarrenr free($3); 605145510Sdarrenr } 606145510Sdarrenr ; 607145510Sdarrenr 608145510Sdarrenrnextstring: 609145510Sdarrenr '/' { yysetdict(NULL); } 610145510Sdarrenr ; 611145510Sdarrenr 612145510Sdarrenrfromto: from srcobject to dstobject { yyexpectaddr = 0; yycont = NULL; } 613145510Sdarrenr | to dstobject { yyexpectaddr = 0; yycont = NULL; } 614145510Sdarrenr | from srcobject { yyexpectaddr = 0; yycont = NULL; } 615145510Sdarrenr ; 616145510Sdarrenr 617145510Sdarrenrfrom: IPFY_FROM { setipftype(); 618145510Sdarrenr if (fr == NULL) 619145510Sdarrenr fr = frc; 620145510Sdarrenr yyexpectaddr = 1; 621145510Sdarrenr if (yydebug) 622145510Sdarrenr printf("set yyexpectaddr\n"); 623145510Sdarrenr yycont = &yyexpectaddr; 624145510Sdarrenr yysetdict(addrwords); 625145510Sdarrenr resetaddr(); } 626145510Sdarrenr ; 627145510Sdarrenr 628145510Sdarrenrto: IPFY_TO { if (fr == NULL) 629145510Sdarrenr fr = frc; 630145510Sdarrenr yyexpectaddr = 1; 631145510Sdarrenr if (yydebug) 632145510Sdarrenr printf("set yyexpectaddr\n"); 633145510Sdarrenr yycont = &yyexpectaddr; 634145510Sdarrenr yysetdict(addrwords); 635145510Sdarrenr resetaddr(); } 636145510Sdarrenr ; 637145510Sdarrenr 638145510Sdarrenrwith: | andwith withlist 639145510Sdarrenr ; 640145510Sdarrenr 641145510Sdarrenrandwith: 642145510Sdarrenr IPFY_WITH { nowith = 0; setipftype(); } 643145510Sdarrenr | IPFY_AND { nowith = 0; setipftype(); } 644145510Sdarrenr ; 645145510Sdarrenr 646145510Sdarrenrflags: | startflags flagset 647145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = FR_TCPFMAX;) } 648145510Sdarrenr | startflags flagset '/' flagset 649145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 650145510Sdarrenr | startflags '/' flagset 651145510Sdarrenr { DOALL(fr->fr_tcpf = 0; fr->fr_tcpfm = $3;) } 652145510Sdarrenr | startflags YY_NUMBER 653145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = FR_TCPFMAX;) } 654145510Sdarrenr | startflags '/' YY_NUMBER 655145510Sdarrenr { DOALL(fr->fr_tcpf = 0; fr->fr_tcpfm = $3;) } 656145510Sdarrenr | startflags YY_NUMBER '/' YY_NUMBER 657145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 658145510Sdarrenr | startflags flagset '/' YY_NUMBER 659145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 660145510Sdarrenr | startflags YY_NUMBER '/' flagset 661145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 662145510Sdarrenr ; 663145510Sdarrenr 664145510Sdarrenrstartflags: 665145510Sdarrenr IPFY_FLAGS { if (frc->fr_type != FR_T_IPF) 666145510Sdarrenr yyerror("flags with non-ipf type rule"); 667145510Sdarrenr if (frc->fr_proto != IPPROTO_TCP) 668145510Sdarrenr yyerror("flags with non-TCP rule"); 669145510Sdarrenr } 670145510Sdarrenr ; 671145510Sdarrenr 672145510Sdarrenrflagset: 673145510Sdarrenr YY_STR { $$ = tcpflags($1); free($1); } 674145510Sdarrenr | YY_HEX { $$ = $1; } 675145510Sdarrenr ; 676145510Sdarrenr 677145510Sdarrenrsrcobject: 678145510Sdarrenr { yyresetdict(); } fromport 679145510Sdarrenr | srcaddr srcport 680145510Sdarrenr | '!' srcaddr srcport 681145510Sdarrenr { DOALL(fr->fr_flags |= FR_NOTSRCIP;) } 682145510Sdarrenr ; 683145510Sdarrenr 684145510Sdarrenrsrcaddr: 685145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_src, sizeof($1.a)); \ 686145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_src, sizeof($1.m)); \ 687145510Sdarrenr if (dynamic != -1) { \ 688145510Sdarrenr fr->fr_satype = ifpflag; \ 689145510Sdarrenr fr->fr_ipf->fri_sifpidx = dynamic; \ 690145510Sdarrenr } else if (pooled || hashed) \ 691145510Sdarrenr fr->fr_satype = FRI_LOOKUP;) 692145510Sdarrenr } 693145510Sdarrenr | lstart srcaddrlist lend 694145510Sdarrenr ; 695145510Sdarrenr 696145510Sdarrenrsrcaddrlist: 697145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_src, sizeof($1.a)); \ 698145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_src, sizeof($1.m)); \ 699145510Sdarrenr if (dynamic != -1) { \ 700145510Sdarrenr fr->fr_satype = ifpflag; \ 701145510Sdarrenr fr->fr_ipf->fri_sifpidx = dynamic; \ 702145510Sdarrenr } else if (pooled || hashed) \ 703145510Sdarrenr fr->fr_satype = FRI_LOOKUP;) 704145510Sdarrenr } 705145510Sdarrenr | srcaddrlist lmore addr 706145510Sdarrenr { DOREM(bcopy(&($3.a), &fr->fr_ip.fi_src, sizeof($3.a)); \ 707145510Sdarrenr bcopy(&($3.m), &fr->fr_mip.fi_src, sizeof($3.m)); \ 708145510Sdarrenr if (dynamic != -1) { \ 709145510Sdarrenr fr->fr_satype = ifpflag; \ 710145510Sdarrenr fr->fr_ipf->fri_sifpidx = dynamic; \ 711145510Sdarrenr } else if (pooled || hashed) \ 712145510Sdarrenr fr->fr_satype = FRI_LOOKUP;) 713145510Sdarrenr } 714145510Sdarrenr ; 715145510Sdarrenr 716145510Sdarrenrsrcport: 717145510Sdarrenr | portcomp 718145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1;) } 719145510Sdarrenr | portrange 720145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1; \ 721145510Sdarrenr fr->fr_stop = $1.p2;) } 722145510Sdarrenr | porteq lstart srcportlist lend 723145510Sdarrenr { yyresetdict(); } 724145510Sdarrenr ; 725145510Sdarrenr 726145510Sdarrenrfromport: 727145510Sdarrenr portcomp 728145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1;) } 729145510Sdarrenr | portrange 730145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1; \ 731145510Sdarrenr fr->fr_stop = $1.p2;) } 732145510Sdarrenr | porteq lstart srcportlist lend 733145510Sdarrenr { yyresetdict(); } 734145510Sdarrenr ; 735145510Sdarrenr 736145510Sdarrenrsrcportlist: 737145510Sdarrenr portnum { DOREM(fr->fr_scmp = FR_EQUAL; fr->fr_sport = $1;) } 738145510Sdarrenr | srcportlist lmore portnum 739145510Sdarrenr { DOREM(fr->fr_scmp = FR_EQUAL; fr->fr_sport = $3;) } 740145510Sdarrenr ; 741145510Sdarrenr 742145510Sdarrenrdstobject: 743145510Sdarrenr { yyresetdict(); } toport 744145510Sdarrenr | dstaddr dstport 745145510Sdarrenr | '!' dstaddr dstport 746145510Sdarrenr { DOALL(fr->fr_flags |= FR_NOTDSTIP;) } 747145510Sdarrenr ; 748145510Sdarrenr 749145510Sdarrenrdstaddr: 750145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_dst, sizeof($1.a)); \ 751145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_dst, sizeof($1.m)); \ 752145510Sdarrenr if (dynamic != -1) { \ 753145510Sdarrenr fr->fr_datype = ifpflag; \ 754145510Sdarrenr fr->fr_ipf->fri_difpidx = dynamic; \ 755145510Sdarrenr } else if (pooled || hashed) \ 756145510Sdarrenr fr->fr_datype = FRI_LOOKUP;) 757145510Sdarrenr } 758145510Sdarrenr | lstart dstaddrlist lend 759145510Sdarrenr ; 760145510Sdarrenr 761145510Sdarrenrdstaddrlist: 762145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_dst, sizeof($1.a)); \ 763145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_dst, sizeof($1.m)); \ 764145510Sdarrenr if (dynamic != -1) { \ 765145510Sdarrenr fr->fr_datype = ifpflag; \ 766145510Sdarrenr fr->fr_ipf->fri_difpidx = dynamic; \ 767145510Sdarrenr } else if (pooled || hashed) \ 768145510Sdarrenr fr->fr_datype = FRI_LOOKUP;) 769145510Sdarrenr } 770145510Sdarrenr | dstaddrlist lmore addr 771145510Sdarrenr { DOREM(bcopy(&($3.a), &fr->fr_ip.fi_dst, sizeof($3.a)); \ 772145510Sdarrenr bcopy(&($3.m), &fr->fr_mip.fi_dst, sizeof($3.m)); \ 773145510Sdarrenr if (dynamic != -1) { \ 774145510Sdarrenr fr->fr_datype = ifpflag; \ 775145510Sdarrenr fr->fr_ipf->fri_difpidx = dynamic; \ 776145510Sdarrenr } else if (pooled || hashed) \ 777145510Sdarrenr fr->fr_datype = FRI_LOOKUP;) 778145510Sdarrenr } 779145510Sdarrenr ; 780145510Sdarrenr 781145510Sdarrenr 782145510Sdarrenrdstport: 783145510Sdarrenr | portcomp 784145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1;) } 785145510Sdarrenr | portrange 786145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1; \ 787145510Sdarrenr fr->fr_dtop = $1.p2;) } 788145510Sdarrenr | porteq lstart dstportlist lend 789145510Sdarrenr { yyresetdict(); } 790145510Sdarrenr ; 791145510Sdarrenr 792145510Sdarrenrtoport: 793145510Sdarrenr portcomp 794145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1;) } 795145510Sdarrenr | portrange 796145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1; \ 797145510Sdarrenr fr->fr_dtop = $1.p2;) } 798145510Sdarrenr | porteq lstart dstportlist lend 799145510Sdarrenr { yyresetdict(); } 800145510Sdarrenr ; 801145510Sdarrenr 802145510Sdarrenrdstportlist: 803145510Sdarrenr portnum { DOREM(fr->fr_dcmp = FR_EQUAL; fr->fr_dport = $1;) } 804145510Sdarrenr | dstportlist lmore portnum 805145510Sdarrenr { DOREM(fr->fr_dcmp = FR_EQUAL; fr->fr_dport = $3;) } 806145510Sdarrenr ; 807145510Sdarrenr 808145510Sdarrenraddr: pool '/' YY_NUMBER { pooled = 1; 809145510Sdarrenr yyexpectaddr = 0; 810145510Sdarrenr $$.a.iplookuptype = IPLT_POOL; 811145510Sdarrenr $$.a.iplookupnum = $3; } 812145510Sdarrenr | pool '=' '(' poollist ')' { pooled = 1; 813145510Sdarrenr yyexpectaddr = 0; 814145510Sdarrenr $$.a.iplookuptype = IPLT_POOL; 815145510Sdarrenr $$.a.iplookupnum = makepool($4); } 816145510Sdarrenr | hash '/' YY_NUMBER { hashed = 1; 817145510Sdarrenr yyexpectaddr = 0; 818145510Sdarrenr $$.a.iplookuptype = IPLT_HASH; 819145510Sdarrenr $$.a.iplookupnum = $3; } 820145510Sdarrenr | hash '=' '(' addrlist ')' { hashed = 1; 821145510Sdarrenr yyexpectaddr = 0; 822145510Sdarrenr $$.a.iplookuptype = IPLT_HASH; 823145510Sdarrenr $$.a.iplookupnum = makehash($4); } 824145510Sdarrenr | ipaddr { bcopy(&$1, &$$, sizeof($$)); 825145510Sdarrenr yyexpectaddr = 0; } 826145510Sdarrenr ; 827145510Sdarrenr 828145510Sdarrenripaddr: IPFY_ANY { bzero(&($$), sizeof($$)); 829145510Sdarrenr yyresetdict(); 830145510Sdarrenr yyexpectaddr = 0; } 831145510Sdarrenr | hostname { $$.a.in4 = $1; 832145510Sdarrenr $$.m.in4_addr = 0xffffffff; 833145510Sdarrenr yyexpectaddr = 0; } 834145510Sdarrenr | hostname { yyresetdict(); 835145510Sdarrenr $$.a.in4_addr = $1.s_addr; } 836145510Sdarrenr maskspace { yysetdict(maskwords); } 837145510Sdarrenr ipv4mask { $$.m.in4_addr = $5.s_addr; 838145510Sdarrenr $$.a.in4_addr &= $5.s_addr; 839145510Sdarrenr yyresetdict(); 840145510Sdarrenr yyexpectaddr = 0; } 841145510Sdarrenr | YY_IPV6 { bcopy(&$1, &$$.a, sizeof($$.a)); 842145510Sdarrenr fill6bits(128, (u_32_t *)&$$.m); 843145510Sdarrenr yyresetdict(); 844145510Sdarrenr yyexpectaddr = 0; } 845145510Sdarrenr | YY_IPV6 { yyresetdict(); 846145510Sdarrenr bcopy(&$1, &$$.a, sizeof($$.a)); } 847145510Sdarrenr maskspace { yysetdict(maskwords); } 848145510Sdarrenr ipv6mask { bcopy(&$5, &$$.m, sizeof($$.m)); 849145510Sdarrenr yyresetdict(); 850145510Sdarrenr yyexpectaddr = 0; } 851145510Sdarrenr ; 852145510Sdarrenrmaskspace: 853145510Sdarrenr '/' 854145510Sdarrenr | IPFY_MASK 855145510Sdarrenr ; 856145510Sdarrenr 857145510Sdarrenripv4mask: 858145510Sdarrenr ipv4 { $$ = $1; } 859145510Sdarrenr | YY_HEX { $$.s_addr = htonl($1); } 860145510Sdarrenr | YY_NUMBER { ntomask(4, $1, (u_32_t *)&$$); } 861145510Sdarrenr | IPFY_BROADCAST { if (ifpflag == FRI_DYNAMIC) { 862145510Sdarrenr $$.s_addr = 0; 863145510Sdarrenr ifpflag = FRI_BROADCAST; 864145510Sdarrenr } else 865145510Sdarrenr YYERROR; 866145510Sdarrenr } 867145510Sdarrenr | IPFY_NETWORK { if (ifpflag == FRI_DYNAMIC) { 868145510Sdarrenr $$.s_addr = 0; 869145510Sdarrenr ifpflag = FRI_NETWORK; 870145510Sdarrenr } else 871145510Sdarrenr YYERROR; 872145510Sdarrenr } 873145510Sdarrenr | IPFY_NETMASKED { if (ifpflag == FRI_DYNAMIC) { 874145510Sdarrenr $$.s_addr = 0; 875145510Sdarrenr ifpflag = FRI_NETMASKED; 876145510Sdarrenr } else 877145510Sdarrenr YYERROR; 878145510Sdarrenr } 879145510Sdarrenr | IPFY_PEER { if (ifpflag == FRI_DYNAMIC) { 880145510Sdarrenr $$.s_addr = 0; 881145510Sdarrenr ifpflag = FRI_PEERADDR; 882145510Sdarrenr } else 883145510Sdarrenr YYERROR; 884145510Sdarrenr } 885145510Sdarrenr ; 886145510Sdarrenr 887145510Sdarrenripv6mask: 888145510Sdarrenr YY_NUMBER { ntomask(6, $1, $$.i6); } 889145510Sdarrenr | IPFY_BROADCAST { if (ifpflag == FRI_DYNAMIC) { 890145510Sdarrenr bzero(&$$, sizeof($$)); 891145510Sdarrenr ifpflag = FRI_BROADCAST; 892145510Sdarrenr } else 893145510Sdarrenr YYERROR; 894145510Sdarrenr } 895145510Sdarrenr | IPFY_NETWORK { if (ifpflag == FRI_DYNAMIC) { 896145510Sdarrenr bzero(&$$, sizeof($$)); 897145510Sdarrenr ifpflag = FRI_BROADCAST; 898145510Sdarrenr } else 899145510Sdarrenr YYERROR; 900145510Sdarrenr } 901145510Sdarrenr | IPFY_NETMASKED { if (ifpflag == FRI_DYNAMIC) { 902145510Sdarrenr bzero(&$$, sizeof($$)); 903145510Sdarrenr ifpflag = FRI_BROADCAST; 904145510Sdarrenr } else 905145510Sdarrenr YYERROR; 906145510Sdarrenr } 907145510Sdarrenr | IPFY_PEER { if (ifpflag == FRI_DYNAMIC) { 908145510Sdarrenr bzero(&$$, sizeof($$)); 909145510Sdarrenr ifpflag = FRI_BROADCAST; 910145510Sdarrenr } else 911145510Sdarrenr YYERROR; 912145510Sdarrenr } 913145510Sdarrenr ; 914145510Sdarrenr 915145510Sdarrenrhostname: 916145510Sdarrenr ipv4 { $$ = $1; } 917145510Sdarrenr | YY_NUMBER { $$.s_addr = $1; } 918145510Sdarrenr | YY_HEX { $$.s_addr = $1; } 919145510Sdarrenr | YY_STR { $$.s_addr = lookuphost($1); 920145510Sdarrenr free($1); 921145510Sdarrenr } 922145510Sdarrenr ; 923145510Sdarrenr 924145510Sdarrenraddrlist: 925145510Sdarrenr ipaddr { $$ = newalist(NULL); 926145510Sdarrenr bcopy(&($1.a), &($$->al_i6addr), sizeof($1.a)); 927145510Sdarrenr bcopy(&($1.m), &($$->al_i6mask), sizeof($1.m)); } 928145510Sdarrenr | addrlist ',' ipaddr 929145510Sdarrenr { $$ = newalist($1); 930145510Sdarrenr bcopy(&($3.a), &($$->al_i6addr), sizeof($3.a)); 931145510Sdarrenr bcopy(&($3.m), &($$->al_i6mask), sizeof($3.m)); } 932145510Sdarrenr ; 933145510Sdarrenr 934145510Sdarrenrpool: IPFY_POOL { yyexpectaddr = 0; yycont = NULL; yyresetdict(); } 935145510Sdarrenr ; 936145510Sdarrenr 937145510Sdarrenrhash: IPFY_HASH { yyexpectaddr = 0; yycont = NULL; yyresetdict(); } 938145510Sdarrenr ; 939145510Sdarrenr 940145510Sdarrenrpoollist: 941145510Sdarrenr ipaddr { $$ = newalist(NULL); 942145510Sdarrenr bcopy(&($1.a), &($$->al_i6addr), sizeof($1.a)); 943145510Sdarrenr bcopy(&($1.m), &($$->al_i6mask), sizeof($1.m)); } 944145510Sdarrenr | '!' ipaddr { $$ = newalist(NULL); 945145510Sdarrenr $$->al_not = 1; 946145510Sdarrenr bcopy(&($2.a), &($$->al_i6addr), sizeof($2.a)); 947145510Sdarrenr bcopy(&($2.m), &($$->al_i6mask), sizeof($2.m)); } 948145510Sdarrenr | poollist ',' ipaddr 949145510Sdarrenr { $$ = newalist($1); 950145510Sdarrenr bcopy(&($3.a), &($$->al_i6addr), sizeof($3.a)); 951145510Sdarrenr bcopy(&($3.m), &($$->al_i6mask), sizeof($3.m)); } 952145510Sdarrenr | poollist ',' '!' ipaddr 953145510Sdarrenr { $$ = newalist($1); 954145510Sdarrenr $$->al_not = 1; 955145510Sdarrenr bcopy(&($4.a), &($$->al_i6addr), sizeof($4.a)); 956145510Sdarrenr bcopy(&($4.m), &($$->al_i6mask), sizeof($4.m)); } 957145510Sdarrenr ; 958145510Sdarrenr 959145510Sdarrenrport: IPFY_PORT { yyexpectaddr = 0; 960145510Sdarrenr yycont = NULL; 961145510Sdarrenr } 962145510Sdarrenr ; 963145510Sdarrenr 964145510Sdarrenrportc: port compare { $$ = $2; 965145510Sdarrenr yysetdict(NULL); } 966145510Sdarrenr | porteq { $$ = $1; } 967145510Sdarrenr ; 968145510Sdarrenr 969145510Sdarrenrporteq: port '=' { $$ = FR_EQUAL; 970145510Sdarrenr yysetdict(NULL); } 971145510Sdarrenr ; 972145510Sdarrenr 973145510Sdarrenrportr: IPFY_PORT { yyexpectaddr = 0; 974145510Sdarrenr yycont = NULL; 975145510Sdarrenr yysetdict(NULL); } 976145510Sdarrenr ; 977145510Sdarrenr 978145510Sdarrenrportcomp: 979145510Sdarrenr portc portnum { $$.pc = $1; 980145510Sdarrenr $$.p1 = $2; 981145510Sdarrenr yyresetdict(); } 982145510Sdarrenr ; 983145510Sdarrenr 984145510Sdarrenrportrange: 985145510Sdarrenr portr portnum range portnum { $$.p1 = $2; 986145510Sdarrenr $$.pc = $3; 987145510Sdarrenr $$.p2 = $4; 988145510Sdarrenr yyresetdict(); } 989145510Sdarrenr ; 990145510Sdarrenr 991145510Sdarrenricmp: | itype icode 992145510Sdarrenr ; 993145510Sdarrenr 994145510Sdarrenritype: seticmptype icmptype 995145510Sdarrenr { DOALL(fr->fr_icmp = htons($2 << 8); fr->fr_icmpm = htons(0xff00);); 996145510Sdarrenr yyresetdict(); 997145510Sdarrenr } 998145510Sdarrenr | seticmptype lstart typelist lend { yyresetdict(); } 999145510Sdarrenr ; 1000145510Sdarrenr 1001145510Sdarrenrseticmptype: 1002145510Sdarrenr IPFY_ICMPTYPE { setipftype(); 1003145510Sdarrenr yysetdict(icmptypewords); } 1004145510Sdarrenr ; 1005145510Sdarrenr 1006145510Sdarrenricode: | seticmpcode icmpcode 1007145510Sdarrenr { DOALL(fr->fr_icmp |= htons($2); fr->fr_icmpm |= htons(0xff);); 1008145510Sdarrenr yyresetdict(); 1009145510Sdarrenr } 1010145510Sdarrenr | seticmpcode lstart codelist lend { yyresetdict(); } 1011145510Sdarrenr ; 1012145510Sdarrenr 1013145510Sdarrenrseticmpcode: 1014145510Sdarrenr IPFY_ICMPCODE { yysetdict(icmpcodewords); } 1015145510Sdarrenr ; 1016145510Sdarrenr 1017145510Sdarrenrtypelist: 1018145510Sdarrenr icmptype 1019145510Sdarrenr { DOREM(fr->fr_icmp = htons($1 << 8); fr->fr_icmpm = htons(0xff00);) } 1020145510Sdarrenr | typelist lmore icmptype 1021145510Sdarrenr { DOREM(fr->fr_icmp = htons($3 << 8); fr->fr_icmpm = htons(0xff00);) } 1022145510Sdarrenr ; 1023145510Sdarrenr 1024145510Sdarrenrcodelist: 1025145510Sdarrenr icmpcode 1026145510Sdarrenr { DOREM(fr->fr_icmp |= htons($1); fr->fr_icmpm |= htons(0xff);) } 1027145510Sdarrenr | codelist lmore icmpcode 1028145510Sdarrenr { DOREM(fr->fr_icmp |= htons($3); fr->fr_icmpm |= htons(0xff);) } 1029145510Sdarrenr ; 1030145510Sdarrenr 1031145510Sdarrenrage: | IPFY_AGE YY_NUMBER { DOALL(fr->fr_age[0] = $2; \ 1032145510Sdarrenr fr->fr_age[1] = $2;) } 1033145510Sdarrenr | IPFY_AGE YY_NUMBER '/' YY_NUMBER 1034145510Sdarrenr { DOALL(fr->fr_age[0] = $2; \ 1035145510Sdarrenr fr->fr_age[1] = $4;) } 1036145510Sdarrenr ; 1037145510Sdarrenr 1038145510Sdarrenrkeep: | IPFY_KEEP keepstate keep 1039145510Sdarrenr | IPFY_KEEP keepfrag keep 1040145510Sdarrenr ; 1041145510Sdarrenr 1042145510Sdarrenrkeepstate: 1043145510Sdarrenr IPFY_STATE stateoptlist { DOALL(fr->fr_flags |= FR_KEEPSTATE;)} 1044145510Sdarrenr ; 1045145510Sdarrenr 1046145510Sdarrenrkeepfrag: 1047145510Sdarrenr IPFY_FRAGS fragoptlist { DOALL(fr->fr_flags |= FR_KEEPFRAG;) } 1048145510Sdarrenr | IPFY_FRAG fragoptlist { DOALL(fr->fr_flags |= FR_KEEPFRAG;) } 1049145510Sdarrenr ; 1050145510Sdarrenr 1051145510Sdarrenrfragoptlist: 1052145510Sdarrenr | '(' fragopts ')' 1053145510Sdarrenr ; 1054145510Sdarrenr 1055145510Sdarrenrfragopts: 1056145510Sdarrenr fragopt lanother fragopts 1057145510Sdarrenr | fragopt 1058145510Sdarrenr ; 1059145510Sdarrenr 1060145510Sdarrenrfragopt: 1061145510Sdarrenr IPFY_STRICT { DOALL(fr->fr_flags |= FR_FRSTRICT;) } 1062145510Sdarrenr ; 1063145510Sdarrenr 1064145510Sdarrenrstateoptlist: 1065145510Sdarrenr | '(' stateopts ')' 1066145510Sdarrenr ; 1067145510Sdarrenr 1068145510Sdarrenrstateopts: 1069145510Sdarrenr stateopt lanother stateopts 1070145510Sdarrenr | stateopt 1071145510Sdarrenr ; 1072145510Sdarrenr 1073145510Sdarrenrstateopt: 1074145510Sdarrenr IPFY_LIMIT YY_NUMBER { DOALL(fr->fr_statemax = $2;) } 1075145510Sdarrenr | IPFY_STRICT { DOALL(if (fr->fr_proto != IPPROTO_TCP) { \ 1076145510Sdarrenr YYERROR; \ 1077145510Sdarrenr } else \ 1078145510Sdarrenr fr->fr_flags |= FR_STSTRICT;) 1079145510Sdarrenr } 1080145510Sdarrenr | IPFY_NEWISN { DOALL(if (fr->fr_proto != IPPROTO_TCP) { \ 1081145510Sdarrenr YYERROR; \ 1082145510Sdarrenr } else \ 1083145510Sdarrenr fr->fr_flags |= FR_NEWISN;) 1084145510Sdarrenr } 1085145510Sdarrenr | IPFY_NOICMPERR { DOALL(fr->fr_flags |= FR_NOICMPERR;) } 1086145510Sdarrenr 1087145510Sdarrenr | IPFY_SYNC { DOALL(fr->fr_flags |= FR_STATESYNC;) } 1088145510Sdarrenr ; 1089145510Sdarrenr 1090145510Sdarrenrportnum: 1091145510Sdarrenr servicename { if (getport(frc, $1, &($$)) == -1) 1092145510Sdarrenr yyerror("service unknown"); 1093145510Sdarrenr $$ = ntohs($$); 1094145510Sdarrenr free($1); 1095145510Sdarrenr } 1096145510Sdarrenr | YY_NUMBER { if ($1 > 65535) /* Unsigned */ 1097145510Sdarrenr yyerror("invalid port number"); 1098145510Sdarrenr else 1099145510Sdarrenr $$ = $1; 1100145510Sdarrenr } 1101145510Sdarrenr ; 1102145510Sdarrenr 1103145510Sdarrenrwithlist: 1104145510Sdarrenr withopt 1105145510Sdarrenr | withlist withopt 1106145510Sdarrenr | withlist ',' withopt 1107145510Sdarrenr ; 1108145510Sdarrenr 1109145510Sdarrenrwithopt: 1110145510Sdarrenr opttype { DOALL(fr->fr_flx |= $1; fr->fr_mflx |= $1;) } 1111145510Sdarrenr | notwith opttype 1112145510Sdarrenr { DOALL(fr->fr_mflx |= $2;) } 1113145510Sdarrenr | ipopt ipopts { yyresetdict(); } 1114145510Sdarrenr | notwith ipopt ipopts { yyresetdict(); } 1115145510Sdarrenr | startv6hdrs ipv6hdrs { yyresetdict(); } 1116145510Sdarrenr ; 1117145510Sdarrenr 1118145510Sdarrenripopt: IPFY_OPT { yysetdict(ipv4optwords); } 1119145510Sdarrenr ; 1120145510Sdarrenr 1121145510Sdarrenrstartv6hdrs: 1122145510Sdarrenr IPF6_V6HDRS { if (use_inet6 == 0) 1123145510Sdarrenr yyerror("only available with IPv6"); 1124145510Sdarrenr yysetdict(ipv6optwords); 1125145510Sdarrenr } 1126145510Sdarrenr ; 1127145510Sdarrenr 1128145510Sdarrenrnotwith: 1129145510Sdarrenr IPFY_NOT { nowith = 1; } 1130145510Sdarrenr | IPFY_NO { nowith = 1; } 1131145510Sdarrenr ; 1132145510Sdarrenr 1133145510Sdarrenropttype: 1134145510Sdarrenr IPFY_IPOPTS { $$ = FI_OPTIONS; } 1135145510Sdarrenr | IPFY_SHORT { $$ = FI_SHORT; } 1136145510Sdarrenr | IPFY_NAT { $$ = FI_NATED; } 1137145510Sdarrenr | IPFY_BAD { $$ = FI_BAD; } 1138145510Sdarrenr | IPFY_BADNAT { $$ = FI_BADNAT; } 1139145510Sdarrenr | IPFY_BADSRC { $$ = FI_BADSRC; } 1140145510Sdarrenr | IPFY_LOWTTL { $$ = FI_LOWTTL; } 1141145510Sdarrenr | IPFY_FRAG { $$ = FI_FRAG; } 1142145510Sdarrenr | IPFY_FRAGBODY { $$ = FI_FRAGBODY; } 1143145510Sdarrenr | IPFY_FRAGS { $$ = FI_FRAG; } 1144145510Sdarrenr | IPFY_MBCAST { $$ = FI_MBCAST; } 1145145510Sdarrenr | IPFY_MULTICAST { $$ = FI_MULTICAST; } 1146145510Sdarrenr | IPFY_BROADCAST { $$ = FI_BROADCAST; } 1147145510Sdarrenr | IPFY_STATE { $$ = FI_STATE; } 1148145510Sdarrenr | IPFY_OOW { $$ = FI_OOW; } 1149145510Sdarrenr ; 1150145510Sdarrenr 1151145510Sdarrenripopts: optlist { DOALL(fr->fr_mip.fi_optmsk |= $1; 1152145510Sdarrenr if (!nowith) 1153145510Sdarrenr fr->fr_ip.fi_optmsk |= $1;) 1154145510Sdarrenr } 1155145510Sdarrenr ; 1156145510Sdarrenr 1157145510Sdarrenroptlist: 1158145510Sdarrenr opt { $$ |= $1; } 1159145510Sdarrenr | optlist ',' opt { $$ |= $1 | $3; } 1160145510Sdarrenr ; 1161145510Sdarrenr 1162145510Sdarrenripv6hdrs: 1163145510Sdarrenr ipv6hdrlist { DOALL(fr->fr_mip.fi_optmsk |= $1; 1164145510Sdarrenr if (!nowith) 1165145510Sdarrenr fr->fr_ip.fi_optmsk |= $1;) 1166145510Sdarrenr } 1167145510Sdarrenr ; 1168145510Sdarrenr 1169145510Sdarrenripv6hdrlist: 1170145510Sdarrenr ipv6hdr { $$ |= $1; } 1171145510Sdarrenr | ipv6hdrlist ',' ipv6hdr { $$ |= $1 | $3; } 1172145510Sdarrenr ; 1173145510Sdarrenr 1174145510Sdarrenrsecname: 1175145510Sdarrenr seclevel { $$ |= $1; } 1176145510Sdarrenr | secname ',' seclevel { $$ |= $1 | $3; } 1177145510Sdarrenr ; 1178145510Sdarrenr 1179145510Sdarrenrseclevel: 1180145510Sdarrenr IPFY_SEC_UNC { $$ = secbit(IPSO_CLASS_UNCL); } 1181145510Sdarrenr | IPFY_SEC_CONF { $$ = secbit(IPSO_CLASS_CONF); } 1182145510Sdarrenr | IPFY_SEC_RSV1 { $$ = secbit(IPSO_CLASS_RES1); } 1183145510Sdarrenr | IPFY_SEC_RSV2 { $$ = secbit(IPSO_CLASS_RES2); } 1184145510Sdarrenr | IPFY_SEC_RSV3 { $$ = secbit(IPSO_CLASS_RES3); } 1185145510Sdarrenr | IPFY_SEC_RSV4 { $$ = secbit(IPSO_CLASS_RES4); } 1186145510Sdarrenr | IPFY_SEC_SEC { $$ = secbit(IPSO_CLASS_SECR); } 1187145510Sdarrenr | IPFY_SEC_TS { $$ = secbit(IPSO_CLASS_TOPS); } 1188145510Sdarrenr ; 1189145510Sdarrenr 1190145510Sdarrenricmptype: 1191145510Sdarrenr YY_NUMBER { $$ = $1; } 1192145510Sdarrenr | IPFY_ICMPT_UNR { $$ = ICMP_UNREACH; } 1193145510Sdarrenr | IPFY_ICMPT_ECHO { $$ = ICMP_ECHO; } 1194145510Sdarrenr | IPFY_ICMPT_ECHOR { $$ = ICMP_ECHOREPLY; } 1195145510Sdarrenr | IPFY_ICMPT_SQUENCH { $$ = ICMP_SOURCEQUENCH; } 1196145510Sdarrenr | IPFY_ICMPT_REDIR { $$ = ICMP_REDIRECT; } 1197145510Sdarrenr | IPFY_ICMPT_TIMEX { $$ = ICMP_TIMXCEED; } 1198145510Sdarrenr | IPFY_ICMPT_PARAMP { $$ = ICMP_PARAMPROB; } 1199145510Sdarrenr | IPFY_ICMPT_TIMEST { $$ = ICMP_TSTAMP; } 1200145510Sdarrenr | IPFY_ICMPT_TIMESTREP { $$ = ICMP_TSTAMPREPLY; } 1201145510Sdarrenr | IPFY_ICMPT_INFOREQ { $$ = ICMP_IREQ; } 1202145510Sdarrenr | IPFY_ICMPT_INFOREP { $$ = ICMP_IREQREPLY; } 1203145510Sdarrenr | IPFY_ICMPT_MASKREQ { $$ = ICMP_MASKREQ; } 1204145510Sdarrenr | IPFY_ICMPT_MASKREP { $$ = ICMP_MASKREPLY; } 1205145510Sdarrenr | IPFY_ICMPT_ROUTERAD { $$ = ICMP_ROUTERADVERT; } 1206145510Sdarrenr | IPFY_ICMPT_ROUTERSOL { $$ = ICMP_ROUTERSOLICIT; } 1207145510Sdarrenr ; 1208145510Sdarrenr 1209145510Sdarrenricmpcode: 1210145510Sdarrenr YY_NUMBER { $$ = $1; } 1211145510Sdarrenr | IPFY_ICMPC_NETUNR { $$ = ICMP_UNREACH_NET; } 1212145510Sdarrenr | IPFY_ICMPC_HSTUNR { $$ = ICMP_UNREACH_HOST; } 1213145510Sdarrenr | IPFY_ICMPC_PROUNR { $$ = ICMP_UNREACH_PROTOCOL; } 1214145510Sdarrenr | IPFY_ICMPC_PORUNR { $$ = ICMP_UNREACH_PORT; } 1215145510Sdarrenr | IPFY_ICMPC_NEEDF { $$ = ICMP_UNREACH_NEEDFRAG; } 1216145510Sdarrenr | IPFY_ICMPC_SRCFAIL { $$ = ICMP_UNREACH_SRCFAIL; } 1217145510Sdarrenr | IPFY_ICMPC_NETUNK { $$ = ICMP_UNREACH_NET_UNKNOWN; } 1218145510Sdarrenr | IPFY_ICMPC_HSTUNK { $$ = ICMP_UNREACH_HOST_UNKNOWN; } 1219145510Sdarrenr | IPFY_ICMPC_ISOLATE { $$ = ICMP_UNREACH_ISOLATED; } 1220145510Sdarrenr | IPFY_ICMPC_NETPRO { $$ = ICMP_UNREACH_NET_PROHIB; } 1221145510Sdarrenr | IPFY_ICMPC_HSTPRO { $$ = ICMP_UNREACH_HOST_PROHIB; } 1222145510Sdarrenr | IPFY_ICMPC_NETTOS { $$ = ICMP_UNREACH_TOSNET; } 1223145510Sdarrenr | IPFY_ICMPC_HSTTOS { $$ = ICMP_UNREACH_TOSHOST; } 1224145510Sdarrenr | IPFY_ICMPC_FLTPRO { $$ = ICMP_UNREACH_ADMIN_PROHIBIT; } 1225145510Sdarrenr | IPFY_ICMPC_HSTPRE { $$ = 14; } 1226145510Sdarrenr | IPFY_ICMPC_CUTPRE { $$ = 15; } 1227145510Sdarrenr ; 1228145510Sdarrenr 1229145510Sdarrenropt: 1230145510Sdarrenr IPFY_IPOPT_NOP { $$ = getoptbyvalue(IPOPT_NOP); } 1231145510Sdarrenr | IPFY_IPOPT_RR { $$ = getoptbyvalue(IPOPT_RR); } 1232145510Sdarrenr | IPFY_IPOPT_ZSU { $$ = getoptbyvalue(IPOPT_ZSU); } 1233145510Sdarrenr | IPFY_IPOPT_MTUP { $$ = getoptbyvalue(IPOPT_MTUP); } 1234145510Sdarrenr | IPFY_IPOPT_MTUR { $$ = getoptbyvalue(IPOPT_MTUR); } 1235145510Sdarrenr | IPFY_IPOPT_ENCODE { $$ = getoptbyvalue(IPOPT_ENCODE); } 1236145510Sdarrenr | IPFY_IPOPT_TS { $$ = getoptbyvalue(IPOPT_TS); } 1237145510Sdarrenr | IPFY_IPOPT_TR { $$ = getoptbyvalue(IPOPT_TR); } 1238145510Sdarrenr | IPFY_IPOPT_SEC { $$ = getoptbyvalue(IPOPT_SECURITY); } 1239145510Sdarrenr | IPFY_IPOPT_LSRR { $$ = getoptbyvalue(IPOPT_LSRR); } 1240145510Sdarrenr | IPFY_IPOPT_ESEC { $$ = getoptbyvalue(IPOPT_E_SEC); } 1241145510Sdarrenr | IPFY_IPOPT_CIPSO { $$ = getoptbyvalue(IPOPT_CIPSO); } 1242145510Sdarrenr | IPFY_IPOPT_SATID { $$ = getoptbyvalue(IPOPT_SATID); } 1243145510Sdarrenr | IPFY_IPOPT_SSRR { $$ = getoptbyvalue(IPOPT_SSRR); } 1244145510Sdarrenr | IPFY_IPOPT_ADDEXT { $$ = getoptbyvalue(IPOPT_ADDEXT); } 1245145510Sdarrenr | IPFY_IPOPT_VISA { $$ = getoptbyvalue(IPOPT_VISA); } 1246145510Sdarrenr | IPFY_IPOPT_IMITD { $$ = getoptbyvalue(IPOPT_IMITD); } 1247145510Sdarrenr | IPFY_IPOPT_EIP { $$ = getoptbyvalue(IPOPT_EIP); } 1248145510Sdarrenr | IPFY_IPOPT_FINN { $$ = getoptbyvalue(IPOPT_FINN); } 1249145510Sdarrenr | IPFY_IPOPT_DPS { $$ = getoptbyvalue(IPOPT_DPS); } 1250145510Sdarrenr | IPFY_IPOPT_SDB { $$ = getoptbyvalue(IPOPT_SDB); } 1251145510Sdarrenr | IPFY_IPOPT_NSAPA { $$ = getoptbyvalue(IPOPT_NSAPA); } 1252145510Sdarrenr | IPFY_IPOPT_RTRALRT { $$ = getoptbyvalue(IPOPT_RTRALRT); } 1253145510Sdarrenr | IPFY_IPOPT_UMP { $$ = getoptbyvalue(IPOPT_UMP); } 1254145510Sdarrenr | setsecclass secname 1255145510Sdarrenr { DOALL(fr->fr_mip.fi_secmsk |= $2; 1256145510Sdarrenr if (!nowith) 1257145510Sdarrenr fr->fr_ip.fi_secmsk |= $2;) 1258145510Sdarrenr $$ = 0; 1259145510Sdarrenr yyresetdict(); 1260145510Sdarrenr } 1261145510Sdarrenr ; 1262145510Sdarrenr 1263145510Sdarrenrsetsecclass: 1264145510Sdarrenr IPFY_SECCLASS { yysetdict(ipv4secwords); } 1265145510Sdarrenr ; 1266145510Sdarrenr 1267145510Sdarrenripv6hdr: 1268145510Sdarrenr IPFY_AH { $$ = getv6optbyvalue(IPPROTO_AH); } 1269145510Sdarrenr | IPFY_IPV6OPT_DSTOPTS { $$ = getv6optbyvalue(IPPROTO_DSTOPTS); } 1270145510Sdarrenr | IPFY_ESP { $$ = getv6optbyvalue(IPPROTO_ESP); } 1271145510Sdarrenr | IPFY_IPV6OPT_HOPOPTS { $$ = getv6optbyvalue(IPPROTO_HOPOPTS); } 1272145510Sdarrenr | IPFY_IPV6OPT_IPV6 { $$ = getv6optbyvalue(IPPROTO_IPV6); } 1273145510Sdarrenr | IPFY_IPV6OPT_NONE { $$ = getv6optbyvalue(IPPROTO_NONE); } 1274145510Sdarrenr | IPFY_IPV6OPT_ROUTING { $$ = getv6optbyvalue(IPPROTO_ROUTING); } 1275145510Sdarrenr | IPFY_FRAG { $$ = getv6optbyvalue(IPPROTO_FRAGMENT); } 1276145510Sdarrenr ; 1277145510Sdarrenr 1278145510Sdarrenrlevel: IPFY_LEVEL { setsyslog(); } 1279145510Sdarrenr ; 1280145510Sdarrenr 1281145510Sdarrenrloglevel: 1282145510Sdarrenr priority { fr->fr_loglevel = LOG_LOCAL0|$1; } 1283145510Sdarrenr | facility '.' priority { fr->fr_loglevel = $1 | $3; } 1284145510Sdarrenr ; 1285145510Sdarrenr 1286145510Sdarrenrfacility: 1287145510Sdarrenr IPFY_FAC_KERN { $$ = LOG_KERN; } 1288145510Sdarrenr | IPFY_FAC_USER { $$ = LOG_USER; } 1289145510Sdarrenr | IPFY_FAC_MAIL { $$ = LOG_MAIL; } 1290145510Sdarrenr | IPFY_FAC_DAEMON { $$ = LOG_DAEMON; } 1291145510Sdarrenr | IPFY_FAC_AUTH { $$ = LOG_AUTH; } 1292145510Sdarrenr | IPFY_FAC_SYSLOG { $$ = LOG_SYSLOG; } 1293145510Sdarrenr | IPFY_FAC_LPR { $$ = LOG_LPR; } 1294145510Sdarrenr | IPFY_FAC_NEWS { $$ = LOG_NEWS; } 1295145510Sdarrenr | IPFY_FAC_UUCP { $$ = LOG_UUCP; } 1296145510Sdarrenr | IPFY_FAC_CRON { $$ = LOG_CRON; } 1297145510Sdarrenr | IPFY_FAC_FTP { $$ = LOG_FTP; } 1298145510Sdarrenr | IPFY_FAC_AUTHPRIV { $$ = LOG_AUTHPRIV; } 1299145510Sdarrenr | IPFY_FAC_AUDIT { $$ = LOG_AUDIT; } 1300145510Sdarrenr | IPFY_FAC_LFMT { $$ = LOG_LFMT; } 1301145510Sdarrenr | IPFY_FAC_LOCAL0 { $$ = LOG_LOCAL0; } 1302145510Sdarrenr | IPFY_FAC_LOCAL1 { $$ = LOG_LOCAL1; } 1303145510Sdarrenr | IPFY_FAC_LOCAL2 { $$ = LOG_LOCAL2; } 1304145510Sdarrenr | IPFY_FAC_LOCAL3 { $$ = LOG_LOCAL3; } 1305145510Sdarrenr | IPFY_FAC_LOCAL4 { $$ = LOG_LOCAL4; } 1306145510Sdarrenr | IPFY_FAC_LOCAL5 { $$ = LOG_LOCAL5; } 1307145510Sdarrenr | IPFY_FAC_LOCAL6 { $$ = LOG_LOCAL6; } 1308145510Sdarrenr | IPFY_FAC_LOCAL7 { $$ = LOG_LOCAL7; } 1309145510Sdarrenr | IPFY_FAC_SECURITY { $$ = LOG_SECURITY; } 1310145510Sdarrenr ; 1311145510Sdarrenr 1312145510Sdarrenrpriority: 1313145510Sdarrenr IPFY_PRI_EMERG { $$ = LOG_EMERG; } 1314145510Sdarrenr | IPFY_PRI_ALERT { $$ = LOG_ALERT; } 1315145510Sdarrenr | IPFY_PRI_CRIT { $$ = LOG_CRIT; } 1316145510Sdarrenr | IPFY_PRI_ERR { $$ = LOG_ERR; } 1317145510Sdarrenr | IPFY_PRI_WARN { $$ = LOG_WARNING; } 1318145510Sdarrenr | IPFY_PRI_NOTICE { $$ = LOG_NOTICE; } 1319145510Sdarrenr | IPFY_PRI_INFO { $$ = LOG_INFO; } 1320145510Sdarrenr | IPFY_PRI_DEBUG { $$ = LOG_DEBUG; } 1321145510Sdarrenr ; 1322145510Sdarrenr 1323145510Sdarrenrcompare: 1324145510Sdarrenr YY_CMP_EQ { $$ = FR_EQUAL; } 1325145510Sdarrenr | YY_CMP_NE { $$ = FR_NEQUAL; } 1326145510Sdarrenr | YY_CMP_LT { $$ = FR_LESST; } 1327145510Sdarrenr | YY_CMP_LE { $$ = FR_LESSTE; } 1328145510Sdarrenr | YY_CMP_GT { $$ = FR_GREATERT; } 1329145510Sdarrenr | YY_CMP_GE { $$ = FR_GREATERTE; } 1330145510Sdarrenr ; 1331145510Sdarrenr 1332145510Sdarrenrrange: YY_RANGE_IN { $$ = FR_INRANGE; } 1333145510Sdarrenr | YY_RANGE_OUT { $$ = FR_OUTRANGE; } 1334145510Sdarrenr | ':' { $$ = FR_INCRANGE; } 1335145510Sdarrenr ; 1336145510Sdarrenr 1337145510Sdarrenrservicename: 1338145510Sdarrenr YY_STR { $$ = $1; } 1339145510Sdarrenr ; 1340145510Sdarrenr 1341145510Sdarrenrinterfacename: YY_STR { $$ = $1; } 1342145510Sdarrenr | YY_STR ':' YY_NUMBER 1343145510Sdarrenr { $$ = $1; 1344145510Sdarrenr fprintf(stderr, "%d: Logical interface %s:%d unsupported, " 1345145510Sdarrenr "use the physical interface %s instead.\n", 1346145510Sdarrenr yylineNum, $1, $3, $1); 1347145510Sdarrenr } 1348145510Sdarrenr ; 1349145510Sdarrenr 1350145510Sdarrenrname: YY_STR { $$ = $1; } 1351145510Sdarrenr ; 1352145510Sdarrenr 1353145510Sdarrenripv4_16: 1354145510Sdarrenr YY_NUMBER '.' YY_NUMBER 1355145510Sdarrenr { if ($1 > 255 || $3 > 255) { 1356145510Sdarrenr yyerror("Invalid octet string for IP address"); 1357145510Sdarrenr return 0; 1358145510Sdarrenr } 1359145510Sdarrenr $$.s_addr = ($1 << 24) | ($3 << 16); 1360145510Sdarrenr $$.s_addr = htonl($$.s_addr); 1361145510Sdarrenr } 1362145510Sdarrenr ; 1363145510Sdarrenr 1364145510Sdarrenripv4_24: 1365145510Sdarrenr ipv4_16 '.' YY_NUMBER 1366145510Sdarrenr { if ($3 > 255) { 1367145510Sdarrenr yyerror("Invalid octet string for IP address"); 1368145510Sdarrenr return 0; 1369145510Sdarrenr } 1370145510Sdarrenr $$.s_addr |= htonl($3 << 8); 1371145510Sdarrenr } 1372145510Sdarrenr ; 1373145510Sdarrenr 1374145510Sdarrenripv4: ipv4_24 '.' YY_NUMBER 1375145510Sdarrenr { if ($3 > 255) { 1376145510Sdarrenr yyerror("Invalid octet string for IP address"); 1377145510Sdarrenr return 0; 1378145510Sdarrenr } 1379145510Sdarrenr $$.s_addr |= htonl($3); 1380145510Sdarrenr } 1381145510Sdarrenr | ipv4_24 1382145510Sdarrenr | ipv4_16 1383145510Sdarrenr ; 1384145510Sdarrenr 1385145510Sdarrenr%% 1386145510Sdarrenr 1387145510Sdarrenr 1388145510Sdarrenrstatic struct wordtab ipfwords[95] = { 1389145510Sdarrenr { "age", IPFY_AGE }, 1390145510Sdarrenr { "ah", IPFY_AH }, 1391145510Sdarrenr { "all", IPFY_ALL }, 1392145510Sdarrenr { "and", IPFY_AND }, 1393145510Sdarrenr { "auth", IPFY_AUTH }, 1394145510Sdarrenr { "bad", IPFY_BAD }, 1395145510Sdarrenr { "bad-nat", IPFY_BADNAT }, 1396145510Sdarrenr { "bad-src", IPFY_BADSRC }, 1397145510Sdarrenr { "bcast", IPFY_BROADCAST }, 1398145510Sdarrenr { "block", IPFY_BLOCK }, 1399145510Sdarrenr { "body", IPFY_BODY }, 1400145510Sdarrenr { "bpf-v4", IPFY_BPFV4 }, 1401145510Sdarrenr#ifdef USE_INET6 1402145510Sdarrenr { "bpf-v6", IPFY_BPFV6 }, 1403145510Sdarrenr#endif 1404145510Sdarrenr { "call", IPFY_CALL }, 1405145510Sdarrenr { "code", IPFY_ICMPCODE }, 1406145510Sdarrenr { "count", IPFY_COUNT }, 1407145510Sdarrenr { "dup-to", IPFY_DUPTO }, 1408145510Sdarrenr { "eq", YY_CMP_EQ }, 1409145510Sdarrenr { "esp", IPFY_ESP }, 1410145510Sdarrenr { "fastroute", IPFY_FROUTE }, 1411145510Sdarrenr { "first", IPFY_FIRST }, 1412145510Sdarrenr { "flags", IPFY_FLAGS }, 1413145510Sdarrenr { "frag", IPFY_FRAG }, 1414145510Sdarrenr { "frag-body", IPFY_FRAGBODY }, 1415145510Sdarrenr { "frags", IPFY_FRAGS }, 1416145510Sdarrenr { "from", IPFY_FROM }, 1417145510Sdarrenr { "ge", YY_CMP_GE }, 1418145510Sdarrenr { "group", IPFY_GROUP }, 1419145510Sdarrenr { "gt", YY_CMP_GT }, 1420145510Sdarrenr { "head", IPFY_HEAD }, 1421145510Sdarrenr { "icmp", IPFY_ICMP }, 1422145510Sdarrenr { "icmp-type", IPFY_ICMPTYPE }, 1423145510Sdarrenr { "in", IPFY_IN }, 1424145510Sdarrenr { "in-via", IPFY_INVIA }, 1425145510Sdarrenr { "ipopt", IPFY_IPOPTS }, 1426145510Sdarrenr { "ipopts", IPFY_IPOPTS }, 1427145510Sdarrenr { "keep", IPFY_KEEP }, 1428145510Sdarrenr { "le", YY_CMP_LE }, 1429145510Sdarrenr { "level", IPFY_LEVEL }, 1430145510Sdarrenr { "limit", IPFY_LIMIT }, 1431145510Sdarrenr { "log", IPFY_LOG }, 1432145510Sdarrenr { "lowttl", IPFY_LOWTTL }, 1433145510Sdarrenr { "lt", YY_CMP_LT }, 1434145510Sdarrenr { "mask", IPFY_MASK }, 1435145510Sdarrenr { "match-tag", IPFY_MATCHTAG }, 1436145510Sdarrenr { "mbcast", IPFY_MBCAST }, 1437145510Sdarrenr { "multicast", IPFY_MULTICAST }, 1438145510Sdarrenr { "nat", IPFY_NAT }, 1439145510Sdarrenr { "ne", YY_CMP_NE }, 1440145510Sdarrenr { "net", IPFY_NETWORK }, 1441145510Sdarrenr { "newisn", IPFY_NEWISN }, 1442145510Sdarrenr { "no", IPFY_NO }, 1443145510Sdarrenr { "no-icmp-err", IPFY_NOICMPERR }, 1444145510Sdarrenr { "now", IPFY_NOW }, 1445145510Sdarrenr { "not", IPFY_NOT }, 1446145510Sdarrenr { "oow", IPFY_OOW }, 1447145510Sdarrenr { "on", IPFY_ON }, 1448145510Sdarrenr { "opt", IPFY_OPT }, 1449145510Sdarrenr { "or-block", IPFY_ORBLOCK }, 1450145510Sdarrenr { "out", IPFY_OUT }, 1451145510Sdarrenr { "out-via", IPFY_OUTVIA }, 1452145510Sdarrenr { "pass", IPFY_PASS }, 1453145510Sdarrenr { "port", IPFY_PORT }, 1454145510Sdarrenr { "pps", IPFY_PPS }, 1455145510Sdarrenr { "preauth", IPFY_PREAUTH }, 1456145510Sdarrenr { "proto", IPFY_PROTO }, 1457145510Sdarrenr { "quick", IPFY_QUICK }, 1458145510Sdarrenr { "reply-to", IPFY_REPLY_TO }, 1459145510Sdarrenr { "return-icmp", IPFY_RETICMP }, 1460145510Sdarrenr { "return-icmp-as-dest", IPFY_RETICMPASDST }, 1461145510Sdarrenr { "return-rst", IPFY_RETRST }, 1462145510Sdarrenr { "route-to", IPFY_ROUTETO }, 1463145510Sdarrenr { "sec-class", IPFY_SECCLASS }, 1464145510Sdarrenr { "set-tag", IPFY_SETTAG }, 1465145510Sdarrenr { "skip", IPFY_SKIP }, 1466145510Sdarrenr { "short", IPFY_SHORT }, 1467145510Sdarrenr { "state", IPFY_STATE }, 1468145510Sdarrenr { "state-age", IPFY_AGE }, 1469145510Sdarrenr { "strict", IPFY_STRICT }, 1470145510Sdarrenr { "sync", IPFY_SYNC }, 1471145510Sdarrenr { "tcp", IPFY_TCP }, 1472145510Sdarrenr { "tcp-udp", IPFY_TCPUDP }, 1473145510Sdarrenr { "tos", IPFY_TOS }, 1474145510Sdarrenr { "to", IPFY_TO }, 1475145510Sdarrenr { "ttl", IPFY_TTL }, 1476145510Sdarrenr { "udp", IPFY_UDP }, 1477145510Sdarrenr { "v6hdrs", IPF6_V6HDRS }, 1478145510Sdarrenr { "with", IPFY_WITH }, 1479145510Sdarrenr { NULL, 0 } 1480145510Sdarrenr}; 1481145510Sdarrenr 1482145510Sdarrenrstatic struct wordtab addrwords[4] = { 1483145510Sdarrenr { "any", IPFY_ANY }, 1484145510Sdarrenr { "hash", IPFY_HASH }, 1485145510Sdarrenr { "pool", IPFY_POOL }, 1486145510Sdarrenr { NULL, 0 } 1487145510Sdarrenr}; 1488145510Sdarrenr 1489145510Sdarrenrstatic struct wordtab maskwords[5] = { 1490145510Sdarrenr { "broadcast", IPFY_BROADCAST }, 1491145510Sdarrenr { "netmasked", IPFY_NETMASKED }, 1492145510Sdarrenr { "network", IPFY_NETWORK }, 1493145510Sdarrenr { "peer", IPFY_PEER }, 1494145510Sdarrenr { NULL, 0 } 1495145510Sdarrenr}; 1496145510Sdarrenr 1497145510Sdarrenrstatic struct wordtab icmptypewords[16] = { 1498145510Sdarrenr { "echo", IPFY_ICMPT_ECHO }, 1499145510Sdarrenr { "echorep", IPFY_ICMPT_ECHOR }, 1500145510Sdarrenr { "inforeq", IPFY_ICMPT_INFOREQ }, 1501145510Sdarrenr { "inforep", IPFY_ICMPT_INFOREP }, 1502145510Sdarrenr { "maskrep", IPFY_ICMPT_MASKREP }, 1503145510Sdarrenr { "maskreq", IPFY_ICMPT_MASKREQ }, 1504145510Sdarrenr { "paramprob", IPFY_ICMPT_PARAMP }, 1505145510Sdarrenr { "redir", IPFY_ICMPT_REDIR }, 1506145510Sdarrenr { "unreach", IPFY_ICMPT_UNR }, 1507145510Sdarrenr { "routerad", IPFY_ICMPT_ROUTERAD }, 1508145510Sdarrenr { "routersol", IPFY_ICMPT_ROUTERSOL }, 1509145510Sdarrenr { "squench", IPFY_ICMPT_SQUENCH }, 1510145510Sdarrenr { "timest", IPFY_ICMPT_TIMEST }, 1511145510Sdarrenr { "timestrep", IPFY_ICMPT_TIMESTREP }, 1512145510Sdarrenr { "timex", IPFY_ICMPT_TIMEX }, 1513145510Sdarrenr { NULL, 0 }, 1514145510Sdarrenr}; 1515145510Sdarrenr 1516145510Sdarrenrstatic struct wordtab icmpcodewords[17] = { 1517145510Sdarrenr { "cutoff-preced", IPFY_ICMPC_CUTPRE }, 1518145510Sdarrenr { "filter-prohib", IPFY_ICMPC_FLTPRO }, 1519145510Sdarrenr { "isolate", IPFY_ICMPC_ISOLATE }, 1520145510Sdarrenr { "needfrag", IPFY_ICMPC_NEEDF }, 1521145510Sdarrenr { "net-prohib", IPFY_ICMPC_NETPRO }, 1522145510Sdarrenr { "net-tos", IPFY_ICMPC_NETTOS }, 1523145510Sdarrenr { "host-preced", IPFY_ICMPC_HSTPRE }, 1524145510Sdarrenr { "host-prohib", IPFY_ICMPC_HSTPRO }, 1525145510Sdarrenr { "host-tos", IPFY_ICMPC_HSTTOS }, 1526145510Sdarrenr { "host-unk", IPFY_ICMPC_HSTUNK }, 1527145510Sdarrenr { "host-unr", IPFY_ICMPC_HSTUNR }, 1528145510Sdarrenr { "net-unk", IPFY_ICMPC_NETUNK }, 1529145510Sdarrenr { "net-unr", IPFY_ICMPC_NETUNR }, 1530145510Sdarrenr { "port-unr", IPFY_ICMPC_PORUNR }, 1531145510Sdarrenr { "proto-unr", IPFY_ICMPC_PROUNR }, 1532145510Sdarrenr { "srcfail", IPFY_ICMPC_SRCFAIL }, 1533145510Sdarrenr { NULL, 0 }, 1534145510Sdarrenr}; 1535145510Sdarrenr 1536145510Sdarrenrstatic struct wordtab ipv4optwords[25] = { 1537145510Sdarrenr { "addext", IPFY_IPOPT_ADDEXT }, 1538145510Sdarrenr { "cipso", IPFY_IPOPT_CIPSO }, 1539145510Sdarrenr { "dps", IPFY_IPOPT_DPS }, 1540145510Sdarrenr { "e-sec", IPFY_IPOPT_ESEC }, 1541145510Sdarrenr { "eip", IPFY_IPOPT_EIP }, 1542145510Sdarrenr { "encode", IPFY_IPOPT_ENCODE }, 1543145510Sdarrenr { "finn", IPFY_IPOPT_FINN }, 1544145510Sdarrenr { "imitd", IPFY_IPOPT_IMITD }, 1545145510Sdarrenr { "lsrr", IPFY_IPOPT_LSRR }, 1546145510Sdarrenr { "mtup", IPFY_IPOPT_MTUP }, 1547145510Sdarrenr { "mtur", IPFY_IPOPT_MTUR }, 1548145510Sdarrenr { "nop", IPFY_IPOPT_NOP }, 1549145510Sdarrenr { "nsapa", IPFY_IPOPT_NSAPA }, 1550145510Sdarrenr { "rr", IPFY_IPOPT_RR }, 1551145510Sdarrenr { "rtralrt", IPFY_IPOPT_RTRALRT }, 1552145510Sdarrenr { "satid", IPFY_IPOPT_SATID }, 1553145510Sdarrenr { "sdb", IPFY_IPOPT_SDB }, 1554145510Sdarrenr { "sec", IPFY_IPOPT_SEC }, 1555145510Sdarrenr { "ssrr", IPFY_IPOPT_SSRR }, 1556145510Sdarrenr { "tr", IPFY_IPOPT_TR }, 1557145510Sdarrenr { "ts", IPFY_IPOPT_TS }, 1558145510Sdarrenr { "ump", IPFY_IPOPT_UMP }, 1559145510Sdarrenr { "visa", IPFY_IPOPT_VISA }, 1560145510Sdarrenr { "zsu", IPFY_IPOPT_ZSU }, 1561145510Sdarrenr { NULL, 0 }, 1562145510Sdarrenr}; 1563145510Sdarrenr 1564145510Sdarrenrstatic struct wordtab ipv4secwords[9] = { 1565145510Sdarrenr { "confid", IPFY_SEC_CONF }, 1566145510Sdarrenr { "reserv-1", IPFY_SEC_RSV1 }, 1567145510Sdarrenr { "reserv-2", IPFY_SEC_RSV2 }, 1568145510Sdarrenr { "reserv-3", IPFY_SEC_RSV3 }, 1569145510Sdarrenr { "reserv-4", IPFY_SEC_RSV4 }, 1570145510Sdarrenr { "secret", IPFY_SEC_SEC }, 1571145510Sdarrenr { "topsecret", IPFY_SEC_TS }, 1572145510Sdarrenr { "unclass", IPFY_SEC_UNC }, 1573145510Sdarrenr { NULL, 0 }, 1574145510Sdarrenr}; 1575145510Sdarrenr 1576145510Sdarrenrstatic struct wordtab ipv6optwords[8] = { 1577145510Sdarrenr { "dstopts", IPFY_IPV6OPT_DSTOPTS }, 1578145510Sdarrenr { "esp", IPFY_ESP }, 1579145510Sdarrenr { "frag", IPFY_FRAG }, 1580145510Sdarrenr { "hopopts", IPFY_IPV6OPT_HOPOPTS }, 1581145510Sdarrenr { "ipv6", IPFY_IPV6OPT_IPV6 }, 1582145510Sdarrenr { "none", IPFY_IPV6OPT_NONE }, 1583145510Sdarrenr { "routing", IPFY_IPV6OPT_ROUTING }, 1584145510Sdarrenr { NULL, 0 }, 1585145510Sdarrenr}; 1586145510Sdarrenr 1587145510Sdarrenrstatic struct wordtab logwords[33] = { 1588145510Sdarrenr { "kern", IPFY_FAC_KERN }, 1589145510Sdarrenr { "user", IPFY_FAC_USER }, 1590145510Sdarrenr { "mail", IPFY_FAC_MAIL }, 1591145510Sdarrenr { "daemon", IPFY_FAC_DAEMON }, 1592145510Sdarrenr { "auth", IPFY_FAC_AUTH }, 1593145510Sdarrenr { "syslog", IPFY_FAC_SYSLOG }, 1594145510Sdarrenr { "lpr", IPFY_FAC_LPR }, 1595145510Sdarrenr { "news", IPFY_FAC_NEWS }, 1596145510Sdarrenr { "uucp", IPFY_FAC_UUCP }, 1597145510Sdarrenr { "cron", IPFY_FAC_CRON }, 1598145510Sdarrenr { "ftp", IPFY_FAC_FTP }, 1599145510Sdarrenr { "authpriv", IPFY_FAC_AUTHPRIV }, 1600145510Sdarrenr { "audit", IPFY_FAC_AUDIT }, 1601145510Sdarrenr { "logalert", IPFY_FAC_LFMT }, 1602145510Sdarrenr { "console", IPFY_FAC_CONSOLE }, 1603145510Sdarrenr { "security", IPFY_FAC_SECURITY }, 1604145510Sdarrenr { "local0", IPFY_FAC_LOCAL0 }, 1605145510Sdarrenr { "local1", IPFY_FAC_LOCAL1 }, 1606145510Sdarrenr { "local2", IPFY_FAC_LOCAL2 }, 1607145510Sdarrenr { "local3", IPFY_FAC_LOCAL3 }, 1608145510Sdarrenr { "local4", IPFY_FAC_LOCAL4 }, 1609145510Sdarrenr { "local5", IPFY_FAC_LOCAL5 }, 1610145510Sdarrenr { "local6", IPFY_FAC_LOCAL6 }, 1611145510Sdarrenr { "local7", IPFY_FAC_LOCAL7 }, 1612145510Sdarrenr { "emerg", IPFY_PRI_EMERG }, 1613145510Sdarrenr { "alert", IPFY_PRI_ALERT }, 1614145510Sdarrenr { "crit", IPFY_PRI_CRIT }, 1615145510Sdarrenr { "err", IPFY_PRI_ERR }, 1616145510Sdarrenr { "warn", IPFY_PRI_WARN }, 1617145510Sdarrenr { "notice", IPFY_PRI_NOTICE }, 1618145510Sdarrenr { "info", IPFY_PRI_INFO }, 1619145510Sdarrenr { "debug", IPFY_PRI_DEBUG }, 1620145510Sdarrenr { NULL, 0 }, 1621145510Sdarrenr}; 1622145510Sdarrenr 1623145510Sdarrenr 1624145510Sdarrenr 1625145510Sdarrenr 1626145510Sdarrenrint ipf_parsefile(fd, addfunc, iocfuncs, filename) 1627145510Sdarrenrint fd; 1628145510Sdarrenraddfunc_t addfunc; 1629145510Sdarrenrioctlfunc_t *iocfuncs; 1630145510Sdarrenrchar *filename; 1631145510Sdarrenr{ 1632145510Sdarrenr FILE *fp = NULL; 1633145510Sdarrenr char *s; 1634145510Sdarrenr 1635145510Sdarrenr yylineNum = 1; 1636145510Sdarrenr yysettab(ipfwords); 1637145510Sdarrenr 1638145510Sdarrenr s = getenv("YYDEBUG"); 1639145510Sdarrenr if (s != NULL) 1640145510Sdarrenr yydebug = atoi(s); 1641145510Sdarrenr else 1642145510Sdarrenr yydebug = 0; 1643145510Sdarrenr 1644145510Sdarrenr if (strcmp(filename, "-")) { 1645145510Sdarrenr fp = fopen(filename, "r"); 1646145510Sdarrenr if (fp == NULL) { 1647145510Sdarrenr fprintf(stderr, "fopen(%s) failed: %s\n", filename, 1648145510Sdarrenr STRERROR(errno)); 1649145510Sdarrenr return -1; 1650145510Sdarrenr } 1651145510Sdarrenr } else 1652145510Sdarrenr fp = stdin; 1653145510Sdarrenr 1654145510Sdarrenr while (ipf_parsesome(fd, addfunc, iocfuncs, fp) == 1) 1655145510Sdarrenr ; 1656145510Sdarrenr if (fp != NULL) 1657145510Sdarrenr fclose(fp); 1658145510Sdarrenr return 0; 1659145510Sdarrenr} 1660145510Sdarrenr 1661145510Sdarrenr 1662145510Sdarrenrint ipf_parsesome(fd, addfunc, iocfuncs, fp) 1663145510Sdarrenrint fd; 1664145510Sdarrenraddfunc_t addfunc; 1665145510Sdarrenrioctlfunc_t *iocfuncs; 1666145510SdarrenrFILE *fp; 1667145510Sdarrenr{ 1668145510Sdarrenr char *s; 1669145510Sdarrenr int i; 1670145510Sdarrenr 1671145510Sdarrenr ipffd = fd; 1672145510Sdarrenr for (i = 0; i <= IPL_LOGMAX; i++) 1673145510Sdarrenr ipfioctl[i] = iocfuncs[i]; 1674145510Sdarrenr ipfaddfunc = addfunc; 1675145510Sdarrenr 1676145510Sdarrenr if (feof(fp)) 1677145510Sdarrenr return 0; 1678145510Sdarrenr i = fgetc(fp); 1679145510Sdarrenr if (i == EOF) 1680145510Sdarrenr return 0; 1681145510Sdarrenr if (ungetc(i, fp) == 0) 1682145510Sdarrenr return 0; 1683145510Sdarrenr if (feof(fp)) 1684145510Sdarrenr return 0; 1685145510Sdarrenr s = getenv("YYDEBUG"); 1686145510Sdarrenr if (s != NULL) 1687145510Sdarrenr yydebug = atoi(s); 1688145510Sdarrenr else 1689145510Sdarrenr yydebug = 0; 1690145510Sdarrenr 1691145510Sdarrenr yyin = fp; 1692145510Sdarrenr yyparse(); 1693145510Sdarrenr return 1; 1694145510Sdarrenr} 1695145510Sdarrenr 1696145510Sdarrenr 1697145510Sdarrenrstatic void newrule() 1698145510Sdarrenr{ 1699145510Sdarrenr frentry_t *frn; 1700145510Sdarrenr 1701145510Sdarrenr frn = (frentry_t *)calloc(1, sizeof(frentry_t)); 1702145510Sdarrenr for (fr = frtop; fr != NULL && fr->fr_next != NULL; fr = fr->fr_next) 1703145510Sdarrenr ; 1704145510Sdarrenr if (fr != NULL) 1705145510Sdarrenr fr->fr_next = frn; 1706145510Sdarrenr if (frtop == NULL) 1707145510Sdarrenr frtop = frn; 1708145510Sdarrenr fr = frn; 1709145510Sdarrenr frc = frn; 1710145510Sdarrenr fr->fr_loglevel = 0xffff; 1711145510Sdarrenr fr->fr_isc = (void *)-1; 1712145510Sdarrenr fr->fr_logtag = FR_NOLOGTAG; 1713145510Sdarrenr fr->fr_type = FR_T_NONE; 1714145510Sdarrenr if (use_inet6 != 0) 1715145510Sdarrenr fr->fr_v = 6; 1716145510Sdarrenr else 1717145510Sdarrenr fr->fr_v = 4; 1718145510Sdarrenr 1719145510Sdarrenr nrules = 1; 1720145510Sdarrenr} 1721145510Sdarrenr 1722145510Sdarrenr 1723145510Sdarrenrstatic void setipftype() 1724145510Sdarrenr{ 1725145510Sdarrenr for (fr = frc; fr != NULL; fr = fr->fr_next) { 1726145510Sdarrenr if (fr->fr_type == FR_T_NONE) { 1727145510Sdarrenr fr->fr_type = FR_T_IPF; 1728145510Sdarrenr fr->fr_data = (void *)calloc(sizeof(fripf_t), 1); 1729145510Sdarrenr fr->fr_dsize = sizeof(fripf_t); 1730145510Sdarrenr fr->fr_ip.fi_v = frc->fr_v; 1731145510Sdarrenr fr->fr_mip.fi_v = 0xf; 1732145510Sdarrenr fr->fr_ipf->fri_sifpidx = -1; 1733145510Sdarrenr fr->fr_ipf->fri_difpidx = -1; 1734145510Sdarrenr } 1735145510Sdarrenr if (fr->fr_type != FR_T_IPF) { 1736145510Sdarrenr fprintf(stderr, "IPF Type not set\n"); 1737145510Sdarrenr } 1738145510Sdarrenr } 1739145510Sdarrenr} 1740145510Sdarrenr 1741145510Sdarrenr 1742145510Sdarrenrstatic frentry_t *addrule() 1743145510Sdarrenr{ 1744145510Sdarrenr frentry_t *f, *f1, *f2; 1745145510Sdarrenr int count; 1746145510Sdarrenr 1747145510Sdarrenr for (f2 = frc; f2->fr_next != NULL; f2 = f2->fr_next) 1748145510Sdarrenr ; 1749145510Sdarrenr 1750145510Sdarrenr count = nrules; 1751145510Sdarrenr if (count == 0) { 1752145510Sdarrenr f = (frentry_t *)calloc(sizeof(*f), 1); 1753145510Sdarrenr added++; 1754145510Sdarrenr f2->fr_next = f; 1755145510Sdarrenr bcopy(f2, f, sizeof(*f)); 1756145510Sdarrenr if (f2->fr_caddr != NULL) { 1757145510Sdarrenr f->fr_caddr = malloc(f->fr_dsize); 1758145510Sdarrenr bcopy(f2->fr_caddr, f->fr_caddr, f->fr_dsize); 1759145510Sdarrenr } 1760145510Sdarrenr f->fr_next = NULL; 1761145510Sdarrenr return f; 1762145510Sdarrenr } 1763145510Sdarrenr f = f2; 1764145510Sdarrenr for (f1 = frc; count > 0; count--, f1 = f1->fr_next) { 1765145510Sdarrenr f->fr_next = (frentry_t *)calloc(sizeof(*f), 1); 1766145510Sdarrenr added++; 1767145510Sdarrenr f = f->fr_next; 1768145510Sdarrenr bcopy(f1, f, sizeof(*f)); 1769145510Sdarrenr f->fr_next = NULL; 1770145510Sdarrenr if (f->fr_caddr != NULL) { 1771145510Sdarrenr f->fr_caddr = malloc(f->fr_dsize); 1772145510Sdarrenr bcopy(f1->fr_caddr, f->fr_caddr, f->fr_dsize); 1773145510Sdarrenr } 1774145510Sdarrenr } 1775145510Sdarrenr 1776145510Sdarrenr return f2->fr_next; 1777145510Sdarrenr} 1778145510Sdarrenr 1779145510Sdarrenr 1780145510Sdarrenrstatic u_32_t lookuphost(name) 1781145510Sdarrenrchar *name; 1782145510Sdarrenr{ 1783145510Sdarrenr u_32_t addr; 1784145510Sdarrenr int i; 1785145510Sdarrenr 1786145510Sdarrenr hashed = 0; 1787145510Sdarrenr pooled = 0; 1788145510Sdarrenr dynamic = -1; 1789145510Sdarrenr 1790145510Sdarrenr for (i = 0; i < 4; i++) { 1791145510Sdarrenr if (strncmp(name, frc->fr_ifnames[i], 1792145510Sdarrenr sizeof(frc->fr_ifnames[i])) == 0) { 1793145510Sdarrenr ifpflag = FRI_DYNAMIC; 1794145510Sdarrenr dynamic = i; 1795145510Sdarrenr return 0; 1796145510Sdarrenr } 1797145510Sdarrenr } 1798145510Sdarrenr 1799145510Sdarrenr if (gethost(name, &addr) == -1) { 1800145510Sdarrenr fprintf(stderr, "unknown name \"%s\"\n", name); 1801145510Sdarrenr return 0; 1802145510Sdarrenr } 1803145510Sdarrenr return addr; 1804145510Sdarrenr} 1805145510Sdarrenr 1806145510Sdarrenr 1807145510Sdarrenrstatic void dobpf(v, phrase) 1808145510Sdarrenrint v; 1809145510Sdarrenrchar *phrase; 1810145510Sdarrenr{ 1811145510Sdarrenr#ifdef IPFILTER_BPF 1812145510Sdarrenr struct bpf_program bpf; 1813145510Sdarrenr struct pcap *p; 1814145510Sdarrenr#endif 1815145510Sdarrenr fakebpf_t *fb; 1816145510Sdarrenr u_32_t l; 1817145510Sdarrenr char *s; 1818145510Sdarrenr int i; 1819145510Sdarrenr 1820145510Sdarrenr for (fr = frc; fr != NULL; fr = fr->fr_next) { 1821145510Sdarrenr if (fr->fr_type != FR_T_NONE) { 1822145510Sdarrenr fprintf(stderr, "cannot mix IPF and BPF matching\n"); 1823145510Sdarrenr return; 1824145510Sdarrenr } 1825145510Sdarrenr fr->fr_v = v; 1826145510Sdarrenr fr->fr_type = FR_T_BPFOPC; 1827145510Sdarrenr 1828145510Sdarrenr if (!strncmp(phrase, "\"0x", 2)) { 1829145510Sdarrenr phrase++; 1830145510Sdarrenr fb = malloc(sizeof(fakebpf_t)); 1831145510Sdarrenr 1832145510Sdarrenr for (i = 0, s = strtok(phrase, " \r\n\t"); s != NULL; 1833145510Sdarrenr s = strtok(NULL, " \r\n\t"), i++) { 1834145510Sdarrenr fb = realloc(fb, (i / 4 + 1) * sizeof(*fb)); 1835145510Sdarrenr l = (u_32_t)strtol(s, NULL, 0); 1836145510Sdarrenr switch (i & 3) 1837145510Sdarrenr { 1838145510Sdarrenr case 0 : 1839145510Sdarrenr fb[i / 4].fb_c = l & 0xffff; 1840145510Sdarrenr break; 1841145510Sdarrenr case 1 : 1842145510Sdarrenr fb[i / 4].fb_t = l & 0xff; 1843145510Sdarrenr break; 1844145510Sdarrenr case 2 : 1845145510Sdarrenr fb[i / 4].fb_f = l & 0xff; 1846145510Sdarrenr break; 1847145510Sdarrenr case 3 : 1848145510Sdarrenr fb[i / 4].fb_k = l; 1849145510Sdarrenr break; 1850145510Sdarrenr } 1851145510Sdarrenr } 1852145510Sdarrenr if ((i & 3) != 0) { 1853145510Sdarrenr fprintf(stderr, 1854145510Sdarrenr "Odd number of bytes in BPF code\n"); 1855145510Sdarrenr exit(1); 1856145510Sdarrenr } 1857145510Sdarrenr i--; 1858145510Sdarrenr fr->fr_dsize = (i / 4 + 1) * sizeof(*fb); 1859145510Sdarrenr fr->fr_data = fb; 1860145510Sdarrenr return; 1861145510Sdarrenr } 1862145510Sdarrenr 1863145510Sdarrenr#ifdef IPFILTER_BPF 1864145510Sdarrenr bzero((char *)&bpf, sizeof(bpf)); 1865145510Sdarrenr p = pcap_open_dead(DLT_RAW, 1); 1866145510Sdarrenr if (!p) { 1867145510Sdarrenr fprintf(stderr, "pcap_open_dead failed\n"); 1868145510Sdarrenr return; 1869145510Sdarrenr } 1870145510Sdarrenr 1871145510Sdarrenr if (pcap_compile(p, &bpf, phrase, 1, 0xffffffff)) { 1872145510Sdarrenr pcap_perror(p, "ipf"); 1873145510Sdarrenr pcap_close(p); 1874145510Sdarrenr fprintf(stderr, "pcap parsing failed (%s)\n", phrase); 1875145510Sdarrenr return; 1876145510Sdarrenr } 1877145510Sdarrenr pcap_close(p); 1878145510Sdarrenr 1879145510Sdarrenr fr->fr_dsize = bpf.bf_len * sizeof(struct bpf_insn); 1880145510Sdarrenr fr->fr_data = malloc(fr->fr_dsize); 1881145510Sdarrenr bcopy((char *)bpf.bf_insns, fr->fr_data, fr->fr_dsize); 1882145510Sdarrenr if (!bpf_validate(fr->fr_data, bpf.bf_len)) { 1883145510Sdarrenr fprintf(stderr, "BPF validation failed\n"); 1884145510Sdarrenr return; 1885145510Sdarrenr } 1886145510Sdarrenr#endif 1887145510Sdarrenr } 1888145510Sdarrenr 1889145510Sdarrenr#ifdef IPFILTER_BPF 1890145510Sdarrenr if (opts & OPT_DEBUG) 1891145510Sdarrenr bpf_dump(&bpf, 0); 1892145510Sdarrenr#else 1893145510Sdarrenr fprintf(stderr, "BPF filter expressions not supported\n"); 1894145510Sdarrenr exit(1); 1895145510Sdarrenr#endif 1896145510Sdarrenr} 1897145510Sdarrenr 1898145510Sdarrenr 1899145510Sdarrenrstatic void resetaddr() 1900145510Sdarrenr{ 1901145510Sdarrenr hashed = 0; 1902145510Sdarrenr pooled = 0; 1903145510Sdarrenr dynamic = -1; 1904145510Sdarrenr} 1905145510Sdarrenr 1906145510Sdarrenr 1907145510Sdarrenrstatic alist_t *newalist(ptr) 1908145510Sdarrenralist_t *ptr; 1909145510Sdarrenr{ 1910145510Sdarrenr alist_t *al; 1911145510Sdarrenr 1912145510Sdarrenr al = malloc(sizeof(*al)); 1913145510Sdarrenr if (al == NULL) 1914145510Sdarrenr return NULL; 1915145510Sdarrenr al->al_not = 0; 1916145510Sdarrenr al->al_next = ptr; 1917145510Sdarrenr return al; 1918145510Sdarrenr} 1919145510Sdarrenr 1920145510Sdarrenr 1921145510Sdarrenrstatic int makepool(list) 1922145510Sdarrenralist_t *list; 1923145510Sdarrenr{ 1924145510Sdarrenr ip_pool_node_t *n, *top; 1925145510Sdarrenr ip_pool_t pool; 1926145510Sdarrenr alist_t *a; 1927145510Sdarrenr int num; 1928145510Sdarrenr 1929145510Sdarrenr if (list == NULL) 1930145510Sdarrenr return 0; 1931145510Sdarrenr top = calloc(1, sizeof(*top)); 1932145510Sdarrenr if (top == NULL) 1933145510Sdarrenr return 0; 1934145510Sdarrenr 1935145510Sdarrenr for (n = top, a = list; (n != NULL) && (a != NULL); a = a->al_next) { 1936145510Sdarrenr n->ipn_addr.adf_addr.in4.s_addr = a->al_1; 1937145510Sdarrenr n->ipn_mask.adf_addr.in4.s_addr = a->al_2; 1938145510Sdarrenr n->ipn_info = a->al_not; 1939145510Sdarrenr if (a->al_next != NULL) { 1940145510Sdarrenr n->ipn_next = calloc(1, sizeof(*n)); 1941145510Sdarrenr n = n->ipn_next; 1942145510Sdarrenr } 1943145510Sdarrenr } 1944145510Sdarrenr 1945145510Sdarrenr bzero((char *)&pool, sizeof(pool)); 1946145510Sdarrenr pool.ipo_unit = IPL_LOGIPF; 1947145510Sdarrenr pool.ipo_list = top; 1948145510Sdarrenr num = load_pool(&pool, ipfioctl[IPL_LOGLOOKUP]); 1949145510Sdarrenr 1950145510Sdarrenr while ((n = top) != NULL) { 1951145510Sdarrenr top = n->ipn_next; 1952145510Sdarrenr free(n); 1953145510Sdarrenr } 1954145510Sdarrenr return num; 1955145510Sdarrenr} 1956145510Sdarrenr 1957145510Sdarrenr 1958145510Sdarrenrstatic u_int makehash(list) 1959145510Sdarrenralist_t *list; 1960145510Sdarrenr{ 1961145510Sdarrenr iphtent_t *n, *top; 1962145510Sdarrenr iphtable_t iph; 1963145510Sdarrenr alist_t *a; 1964145510Sdarrenr int num; 1965145510Sdarrenr 1966145510Sdarrenr if (list == NULL) 1967145510Sdarrenr return 0; 1968145510Sdarrenr top = calloc(1, sizeof(*top)); 1969145510Sdarrenr if (top == NULL) 1970145510Sdarrenr return 0; 1971145510Sdarrenr 1972145510Sdarrenr for (n = top, a = list; (n != NULL) && (a != NULL); a = a->al_next) { 1973145510Sdarrenr n->ipe_addr.in4_addr = a->al_1; 1974145510Sdarrenr n->ipe_mask.in4_addr = a->al_2; 1975145510Sdarrenr n->ipe_value = 0; 1976145510Sdarrenr if (a->al_next != NULL) { 1977145510Sdarrenr n->ipe_next = calloc(1, sizeof(*n)); 1978145510Sdarrenr n = n->ipe_next; 1979145510Sdarrenr } 1980145510Sdarrenr } 1981145510Sdarrenr 1982145510Sdarrenr bzero((char *)&iph, sizeof(iph)); 1983145510Sdarrenr iph.iph_unit = IPL_LOGIPF; 1984145510Sdarrenr iph.iph_type = IPHASH_LOOKUP; 1985145510Sdarrenr *iph.iph_name = '\0'; 1986145510Sdarrenr 1987145510Sdarrenr if (load_hash(&iph, top, ipfioctl[IPL_LOGLOOKUP]) == 0) 1988145510Sdarrenr sscanf(iph.iph_name, "%u", &num); 1989145510Sdarrenr else 1990145510Sdarrenr num = 0; 1991145510Sdarrenr 1992145510Sdarrenr while ((n = top) != NULL) { 1993145510Sdarrenr top = n->ipe_next; 1994145510Sdarrenr free(n); 1995145510Sdarrenr } 1996145510Sdarrenr return num; 1997145510Sdarrenr} 1998145510Sdarrenr 1999145510Sdarrenr 2000145510Sdarrenrvoid ipf_addrule(fd, ioctlfunc, ptr) 2001145510Sdarrenrint fd; 2002145510Sdarrenrioctlfunc_t ioctlfunc; 2003145510Sdarrenrvoid *ptr; 2004145510Sdarrenr{ 2005145510Sdarrenr ioctlcmd_t add, del; 2006145510Sdarrenr frentry_t *fr; 2007145510Sdarrenr ipfobj_t obj; 2008145510Sdarrenr 2009145510Sdarrenr fr = ptr; 2010145510Sdarrenr add = 0; 2011145510Sdarrenr del = 0; 2012145510Sdarrenr 2013145510Sdarrenr bzero((char *)&obj, sizeof(obj)); 2014145510Sdarrenr obj.ipfo_rev = IPFILTER_VERSION; 2015145510Sdarrenr obj.ipfo_size = sizeof(*fr); 2016145510Sdarrenr obj.ipfo_type = IPFOBJ_FRENTRY; 2017145510Sdarrenr obj.ipfo_ptr = ptr; 2018145510Sdarrenr 2019145510Sdarrenr if ((opts & OPT_DONOTHING) != 0) 2020145510Sdarrenr fd = -1; 2021145510Sdarrenr 2022145510Sdarrenr if (opts & OPT_ZERORULEST) { 2023145510Sdarrenr add = SIOCZRLST; 2024145510Sdarrenr } else if (opts & OPT_INACTIVE) { 2025145510Sdarrenr add = (u_int)fr->fr_hits ? SIOCINIFR : 2026145510Sdarrenr SIOCADIFR; 2027145510Sdarrenr del = SIOCRMIFR; 2028145510Sdarrenr } else { 2029145510Sdarrenr add = (u_int)fr->fr_hits ? SIOCINAFR : 2030145510Sdarrenr SIOCADAFR; 2031145510Sdarrenr del = SIOCRMAFR; 2032145510Sdarrenr } 2033145510Sdarrenr 2034145510Sdarrenr if (fr && (opts & OPT_OUTQUE)) 2035145510Sdarrenr fr->fr_flags |= FR_OUTQUE; 2036145510Sdarrenr if (fr->fr_hits) 2037145510Sdarrenr fr->fr_hits--; 2038145510Sdarrenr if (fr && (opts & OPT_VERBOSE)) 2039145510Sdarrenr printfr(fr, ioctlfunc); 2040145510Sdarrenr 2041145510Sdarrenr if (opts & OPT_DEBUG) { 2042145510Sdarrenr binprint(fr, sizeof(*fr)); 2043145510Sdarrenr if (fr->fr_data != NULL) 2044145510Sdarrenr binprint(fr->fr_data, fr->fr_dsize); 2045145510Sdarrenr } 2046145510Sdarrenr 2047145510Sdarrenr if ((opts & OPT_ZERORULEST) != 0) { 2048145510Sdarrenr if ((*ioctlfunc)(fd, add, (void *)&obj) == -1) { 2049145510Sdarrenr if ((opts & OPT_DONOTHING) == 0) { 2050145510Sdarrenr fprintf(stderr, "%d:", yylineNum); 2051145510Sdarrenr perror("ioctl(SIOCZRLST)"); 2052145510Sdarrenr } 2053145510Sdarrenr } else { 2054145510Sdarrenr#ifdef USE_QUAD_T 2055145510Sdarrenr printf("hits %qd bytes %qd ", 2056145510Sdarrenr (long long)fr->fr_hits, 2057145510Sdarrenr (long long)fr->fr_bytes); 2058145510Sdarrenr#else 2059145510Sdarrenr printf("hits %ld bytes %ld ", 2060145510Sdarrenr fr->fr_hits, fr->fr_bytes); 2061145510Sdarrenr#endif 2062145510Sdarrenr printfr(fr, ioctlfunc); 2063145510Sdarrenr } 2064145510Sdarrenr } else if ((opts & OPT_REMOVE) != 0) { 2065145510Sdarrenr if ((*ioctlfunc)(fd, del, (void *)&obj) == -1) { 2066145510Sdarrenr if ((opts & OPT_DONOTHING) != 0) { 2067145510Sdarrenr fprintf(stderr, "%d:", yylineNum); 2068145510Sdarrenr perror("ioctl(delete rule)"); 2069145510Sdarrenr } 2070145510Sdarrenr } 2071145510Sdarrenr } else { 2072145510Sdarrenr if ((*ioctlfunc)(fd, add, (void *)&obj) == -1) { 2073145510Sdarrenr if (!(opts & OPT_DONOTHING)) { 2074145510Sdarrenr fprintf(stderr, "%d:", yylineNum); 2075145510Sdarrenr perror("ioctl(add/insert rule)"); 2076145510Sdarrenr } 2077145510Sdarrenr } 2078145510Sdarrenr } 2079145510Sdarrenr} 2080145510Sdarrenr 2081145510Sdarrenrstatic void setsyslog() 2082145510Sdarrenr{ 2083145510Sdarrenr yysetdict(logwords); 2084145510Sdarrenr yybreakondot = 1; 2085145510Sdarrenr} 2086145510Sdarrenr 2087145510Sdarrenr 2088145510Sdarrenrstatic void unsetsyslog() 2089145510Sdarrenr{ 2090145510Sdarrenr yyresetdict(); 2091145510Sdarrenr yybreakondot = 0; 2092145510Sdarrenr} 2093145510Sdarrenr 2094145510Sdarrenr 2095145510Sdarrenrstatic void fillgroup(fr) 2096145510Sdarrenrfrentry_t *fr; 2097145510Sdarrenr{ 2098145510Sdarrenr frentry_t *f; 2099145510Sdarrenr 2100145510Sdarrenr for (f = frold; f != NULL; f = f->fr_next) 2101145510Sdarrenr if (strncmp(f->fr_grhead, fr->fr_group, FR_GROUPLEN) == 0) 2102145510Sdarrenr break; 2103145510Sdarrenr if (f == NULL) 2104145510Sdarrenr return; 2105145510Sdarrenr 2106145510Sdarrenr /* 2107145510Sdarrenr * Only copy down matching fields if the rules are of the same type 2108145510Sdarrenr * and are of ipf type. The only fields that are copied are those 2109145510Sdarrenr * that impact the rule parsing itself, eg. need for knowing what the 2110145510Sdarrenr * protocol should be for rules with port comparisons in them. 2111145510Sdarrenr */ 2112145510Sdarrenr if (f->fr_type != fr->fr_type || f->fr_type != FR_T_IPF) 2113145510Sdarrenr return; 2114145510Sdarrenr 2115145510Sdarrenr if (fr->fr_v == 0 && f->fr_v != 0) 2116145510Sdarrenr fr->fr_v = f->fr_v; 2117145510Sdarrenr 2118145510Sdarrenr if (fr->fr_mproto == 0 && f->fr_mproto != 0) 2119145510Sdarrenr fr->fr_mproto = f->fr_mproto; 2120145510Sdarrenr if (fr->fr_proto == 0 && f->fr_proto != 0) 2121145510Sdarrenr fr->fr_proto = f->fr_proto; 2122145510Sdarrenr 2123145510Sdarrenr if ((fr->fr_mproto == 0) && ((fr->fr_flx & FI_TCPUDP) == 0) && 2124145510Sdarrenr ((f->fr_flx & FI_TCPUDP) != 0)) 2125145510Sdarrenr fr->fr_flx |= FI_TCPUDP; 2126145510Sdarrenr} 2127