ipf_y.y revision 161357
1145519Sdarrenr/* $FreeBSD: head/contrib/ipfilter/tools/ipf_y.y 161357 2006-08-16 12:23:02Z guido $ */ 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]; 62153881Sguidostatic struct wordtab ipv6optwords[9]; 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; 84161357Sguido struct { 85161357Sguido char *if1; 86161357Sguido char *if2; 87161357Sguido } ifs; 88145510Sdarrenr}; 89145510Sdarrenr 90145510Sdarrenr%type <port> portnum 91145510Sdarrenr%type <num> facility priority icmpcode seclevel secname icmptype 92145510Sdarrenr%type <num> opt compare range opttype flagset optlist ipv6hdrlist ipv6hdr 93145510Sdarrenr%type <num> portc porteq 94145510Sdarrenr%type <ipa> hostname ipv4 ipv4mask ipv4_16 ipv4_24 95145510Sdarrenr%type <ip6> ipv6mask 96145510Sdarrenr%type <ipp> addr ipaddr 97145510Sdarrenr%type <str> servicename name interfacename 98145510Sdarrenr%type <pc> portrange portcomp 99145510Sdarrenr%type <alist> addrlist poollist 100161357Sguido%type <ifs> onname 101145510Sdarrenr 102145510Sdarrenr%token <num> YY_NUMBER YY_HEX 103145510Sdarrenr%token <str> YY_STR 104145510Sdarrenr%token YY_COMMENT 105145510Sdarrenr%token YY_CMP_EQ YY_CMP_NE YY_CMP_LE YY_CMP_GE YY_CMP_LT YY_CMP_GT 106145510Sdarrenr%token YY_RANGE_OUT YY_RANGE_IN 107145510Sdarrenr%token <ip6> YY_IPV6 108145510Sdarrenr 109161357Sguido%token IPFY_PASS IPFY_BLOCK IPFY_COUNT IPFY_CALL IPFY_NOMATCH 110145510Sdarrenr%token IPFY_RETICMP IPFY_RETRST IPFY_RETICMPASDST 111145510Sdarrenr%token IPFY_IN IPFY_OUT 112145510Sdarrenr%token IPFY_QUICK IPFY_ON IPFY_OUTVIA IPFY_INVIA 113145510Sdarrenr%token IPFY_DUPTO IPFY_TO IPFY_FROUTE IPFY_REPLY_TO IPFY_ROUTETO 114145510Sdarrenr%token IPFY_TOS IPFY_TTL IPFY_PROTO 115145510Sdarrenr%token IPFY_HEAD IPFY_GROUP 116145510Sdarrenr%token IPFY_AUTH IPFY_PREAUTH 117145510Sdarrenr%token IPFY_LOG IPFY_BODY IPFY_FIRST IPFY_LEVEL IPFY_ORBLOCK 118145510Sdarrenr%token IPFY_LOGTAG IPFY_MATCHTAG IPFY_SETTAG IPFY_SKIP 119145510Sdarrenr%token IPFY_FROM IPFY_ALL IPFY_ANY IPFY_BPFV4 IPFY_BPFV6 IPFY_POOL IPFY_HASH 120145510Sdarrenr%token IPFY_PPS 121145510Sdarrenr%token IPFY_ESP IPFY_AH 122145510Sdarrenr%token IPFY_WITH IPFY_AND IPFY_NOT IPFY_NO IPFY_OPT 123145510Sdarrenr%token IPFY_TCPUDP IPFY_TCP IPFY_UDP 124145510Sdarrenr%token IPFY_FLAGS IPFY_MULTICAST 125145510Sdarrenr%token IPFY_MASK IPFY_BROADCAST IPFY_NETWORK IPFY_NETMASKED IPFY_PEER 126145510Sdarrenr%token IPFY_PORT 127145510Sdarrenr%token IPFY_NOW 128145510Sdarrenr%token IPFY_ICMP IPFY_ICMPTYPE IPFY_ICMPCODE 129145510Sdarrenr%token IPFY_IPOPTS IPFY_SHORT IPFY_NAT IPFY_BADSRC IPFY_LOWTTL IPFY_FRAG 130145510Sdarrenr%token IPFY_MBCAST IPFY_BAD IPFY_BADNAT IPFY_OOW IPFY_NEWISN IPFY_NOICMPERR 131145510Sdarrenr%token IPFY_KEEP IPFY_STATE IPFY_FRAGS IPFY_LIMIT IPFY_STRICT IPFY_AGE 132145510Sdarrenr%token IPFY_SYNC IPFY_FRAGBODY 133145510Sdarrenr%token IPFY_IPOPT_NOP IPFY_IPOPT_RR IPFY_IPOPT_ZSU IPFY_IPOPT_MTUP 134145510Sdarrenr%token IPFY_IPOPT_MTUR IPFY_IPOPT_ENCODE IPFY_IPOPT_TS IPFY_IPOPT_TR 135145510Sdarrenr%token IPFY_IPOPT_SEC IPFY_IPOPT_LSRR IPFY_IPOPT_ESEC IPFY_IPOPT_CIPSO 136145510Sdarrenr%token IPFY_IPOPT_SATID IPFY_IPOPT_SSRR IPFY_IPOPT_ADDEXT IPFY_IPOPT_VISA 137145510Sdarrenr%token IPFY_IPOPT_IMITD IPFY_IPOPT_EIP IPFY_IPOPT_FINN IPFY_IPOPT_DPS 138145510Sdarrenr%token IPFY_IPOPT_SDB IPFY_IPOPT_NSAPA IPFY_IPOPT_RTRALRT IPFY_IPOPT_UMP 139145510Sdarrenr%token IPFY_SECCLASS IPFY_SEC_UNC IPFY_SEC_CONF IPFY_SEC_RSV1 IPFY_SEC_RSV2 140145510Sdarrenr%token IPFY_SEC_RSV4 IPFY_SEC_SEC IPFY_SEC_TS IPFY_SEC_RSV3 141145510Sdarrenr 142145510Sdarrenr%token IPF6_V6HDRS IPFY_IPV6OPT IPFY_IPV6OPT_DSTOPTS IPFY_IPV6OPT_HOPOPTS 143145510Sdarrenr%token IPFY_IPV6OPT_IPV6 IPFY_IPV6OPT_NONE IPFY_IPV6OPT_ROUTING 144153881Sguido%token IPFY_IPV6OPT_MOBILITY IPFY_IPV6OPT_ESP IPFY_IPV6OPT_FRAG 145145510Sdarrenr 146145510Sdarrenr%token IPFY_ICMPT_UNR IPFY_ICMPT_ECHO IPFY_ICMPT_ECHOR IPFY_ICMPT_SQUENCH 147145510Sdarrenr%token IPFY_ICMPT_REDIR IPFY_ICMPT_TIMEX IPFY_ICMPT_PARAMP IPFY_ICMPT_TIMEST 148145510Sdarrenr%token IPFY_ICMPT_TIMESTREP IPFY_ICMPT_INFOREQ IPFY_ICMPT_INFOREP 149145510Sdarrenr%token IPFY_ICMPT_MASKREQ IPFY_ICMPT_MASKREP IPFY_ICMPT_ROUTERAD 150145510Sdarrenr%token IPFY_ICMPT_ROUTERSOL 151145510Sdarrenr 152145510Sdarrenr%token IPFY_ICMPC_NETUNR IPFY_ICMPC_HSTUNR IPFY_ICMPC_PROUNR IPFY_ICMPC_PORUNR 153145510Sdarrenr%token IPFY_ICMPC_NEEDF IPFY_ICMPC_SRCFAIL IPFY_ICMPC_NETUNK IPFY_ICMPC_HSTUNK 154145510Sdarrenr%token IPFY_ICMPC_ISOLATE IPFY_ICMPC_NETPRO IPFY_ICMPC_HSTPRO 155145510Sdarrenr%token IPFY_ICMPC_NETTOS IPFY_ICMPC_HSTTOS IPFY_ICMPC_FLTPRO IPFY_ICMPC_HSTPRE 156145510Sdarrenr%token IPFY_ICMPC_CUTPRE 157145510Sdarrenr 158145510Sdarrenr%token IPFY_FAC_KERN IPFY_FAC_USER IPFY_FAC_MAIL IPFY_FAC_DAEMON IPFY_FAC_AUTH 159145510Sdarrenr%token IPFY_FAC_SYSLOG IPFY_FAC_LPR IPFY_FAC_NEWS IPFY_FAC_UUCP IPFY_FAC_CRON 160145510Sdarrenr%token IPFY_FAC_LOCAL0 IPFY_FAC_LOCAL1 IPFY_FAC_LOCAL2 IPFY_FAC_LOCAL3 161145510Sdarrenr%token IPFY_FAC_LOCAL4 IPFY_FAC_LOCAL5 IPFY_FAC_LOCAL6 IPFY_FAC_LOCAL7 162145510Sdarrenr%token IPFY_FAC_SECURITY IPFY_FAC_FTP IPFY_FAC_AUTHPRIV IPFY_FAC_AUDIT 163145510Sdarrenr%token IPFY_FAC_LFMT IPFY_FAC_CONSOLE 164145510Sdarrenr 165145510Sdarrenr%token IPFY_PRI_EMERG IPFY_PRI_ALERT IPFY_PRI_CRIT IPFY_PRI_ERR IPFY_PRI_WARN 166145510Sdarrenr%token IPFY_PRI_NOTICE IPFY_PRI_INFO IPFY_PRI_DEBUG 167145510Sdarrenr%% 168145510Sdarrenrfile: line 169145510Sdarrenr | assign 170145510Sdarrenr | file line 171145510Sdarrenr | file assign 172145510Sdarrenr ; 173145510Sdarrenr 174145510Sdarrenrline: xx rule { while ((fr = frtop) != NULL) { 175145510Sdarrenr frtop = fr->fr_next; 176145510Sdarrenr fr->fr_next = NULL; 177145510Sdarrenr (*ipfaddfunc)(ipffd, ipfioctl[IPL_LOGIPF], fr); 178145510Sdarrenr fr->fr_next = frold; 179145510Sdarrenr frold = fr; 180145510Sdarrenr } 181145510Sdarrenr resetlexer(); 182145510Sdarrenr } 183145510Sdarrenr | YY_COMMENT 184145510Sdarrenr ; 185145510Sdarrenr 186161357Sguidoxx: { newrule(); } 187145510Sdarrenr ; 188145510Sdarrenr 189145510Sdarrenrassign: YY_STR assigning YY_STR ';' { set_variable($1, $3); 190145510Sdarrenr resetlexer(); 191145510Sdarrenr free($1); 192145510Sdarrenr free($3); 193145510Sdarrenr } 194145510Sdarrenr ; 195145510Sdarrenr 196145510Sdarrenrassigning: 197145510Sdarrenr '=' { yyvarnext = 1; } 198145510Sdarrenr ; 199145510Sdarrenr 200145510Sdarrenrrule: inrule eol 201145510Sdarrenr | outrule eol 202145510Sdarrenr ; 203145510Sdarrenr 204145510Sdarrenreol: | ';' 205145510Sdarrenr ; 206145510Sdarrenr 207145510Sdarrenrinrule: 208145510Sdarrenr rulehead markin inopts rulemain ruletail intag ruletail2 209145510Sdarrenr ; 210145510Sdarrenr 211145510Sdarrenroutrule: 212145510Sdarrenr rulehead markout outopts rulemain ruletail outtag ruletail2 213145510Sdarrenr ; 214145510Sdarrenr 215145510Sdarrenrrulehead: 216145510Sdarrenr collection action 217145510Sdarrenr | insert collection action 218145510Sdarrenr ; 219145510Sdarrenr 220145510Sdarrenrmarkin: IPFY_IN { fr->fr_flags |= FR_INQUE; } 221145510Sdarrenr ; 222145510Sdarrenr 223145510Sdarrenrmarkout: 224145510Sdarrenr IPFY_OUT { fr->fr_flags |= FR_OUTQUE; } 225145510Sdarrenr ; 226145510Sdarrenr 227145510Sdarrenrrulemain: 228145510Sdarrenr ipfrule 229145510Sdarrenr | bpfrule 230145510Sdarrenr ; 231145510Sdarrenr 232145510Sdarrenripfrule: 233145510Sdarrenr tos ttl proto ip 234145510Sdarrenr ; 235145510Sdarrenr 236145510Sdarrenrbpfrule: 237145510Sdarrenr IPFY_BPFV4 '{' YY_STR '}' { dobpf(4, $3); free($3); } 238145510Sdarrenr | IPFY_BPFV6 '{' YY_STR '}' { dobpf(6, $3); free($3); } 239145510Sdarrenr ; 240145510Sdarrenr 241145510Sdarrenrruletail: 242145510Sdarrenr with keep head group 243145510Sdarrenr ; 244145510Sdarrenr 245145510Sdarrenrruletail2: 246145510Sdarrenr pps age new 247145510Sdarrenr ; 248145510Sdarrenr 249145510Sdarrenrintag: settagin matchtagin 250145510Sdarrenr ; 251145510Sdarrenr 252145510Sdarrenrouttag: settagout matchtagout 253145510Sdarrenr ; 254145510Sdarrenr 255145510Sdarrenrinsert: 256145510Sdarrenr '@' YY_NUMBER { fr->fr_hits = (U_QUAD_T)$2 + 1; } 257145510Sdarrenr ; 258145510Sdarrenr 259145510Sdarrenrcollection: 260145510Sdarrenr | YY_NUMBER { fr->fr_collect = $1; } 261145510Sdarrenr ; 262145510Sdarrenr 263145510Sdarrenraction: block 264145510Sdarrenr | IPFY_PASS { fr->fr_flags |= FR_PASS; } 265161357Sguido | IPFY_NOMATCH { fr->fr_flags |= FR_NOMATCH; } 266145510Sdarrenr | log 267145510Sdarrenr | IPFY_COUNT { fr->fr_flags |= FR_ACCOUNT; } 268145510Sdarrenr | auth 269145510Sdarrenr | IPFY_SKIP YY_NUMBER { fr->fr_flags |= FR_SKIP; 270145510Sdarrenr fr->fr_arg = $2; } 271145510Sdarrenr | IPFY_CALL func 272145510Sdarrenr | IPFY_CALL IPFY_NOW func { fr->fr_flags |= FR_CALLNOW; } 273145510Sdarrenr ; 274145510Sdarrenr 275145510Sdarrenrblock: blocked 276145510Sdarrenr | blocked blockreturn 277145510Sdarrenr ; 278145510Sdarrenr 279145510Sdarrenrblocked: 280145510Sdarrenr IPFY_BLOCK { fr->fr_flags = FR_BLOCK; } 281145510Sdarrenr ; 282145510Sdarrenrblockreturn: 283145510Sdarrenr IPFY_RETICMP { fr->fr_flags |= FR_RETICMP; } 284145510Sdarrenr | IPFY_RETICMP returncode { fr->fr_flags |= FR_RETICMP; } 285145510Sdarrenr | IPFY_RETICMPASDST { fr->fr_flags |= FR_FAKEICMP; } 286145510Sdarrenr | IPFY_RETICMPASDST returncode { fr->fr_flags |= FR_FAKEICMP; } 287145510Sdarrenr | IPFY_RETRST { fr->fr_flags |= FR_RETRST; } 288145510Sdarrenr ; 289145510Sdarrenr 290145510Sdarrenrlog: IPFY_LOG { fr->fr_flags |= FR_LOG; } 291145510Sdarrenr | IPFY_LOG logoptions { fr->fr_flags |= FR_LOG; } 292145510Sdarrenr ; 293145510Sdarrenr 294145510Sdarrenrauth: IPFY_AUTH { fr->fr_flags |= FR_AUTH; } 295161357Sguido | IPFY_AUTH blockreturn { fr->fr_flags |= FR_AUTH;} 296145510Sdarrenr | IPFY_PREAUTH { fr->fr_flags |= FR_PREAUTH; } 297145510Sdarrenr ; 298145510Sdarrenr 299145510Sdarrenrfunc: YY_STR '/' YY_NUMBER { fr->fr_func = nametokva($1, 300145510Sdarrenr ipfioctl[IPL_LOGIPF]); 301145510Sdarrenr fr->fr_arg = $3; 302145510Sdarrenr free($1); } 303145510Sdarrenr ; 304145510Sdarrenr 305145510Sdarrenrinopts: 306145510Sdarrenr | inopts inopt 307145510Sdarrenr ; 308145510Sdarrenr 309145510Sdarrenrinopt: 310145510Sdarrenr logopt 311145510Sdarrenr | quick 312145510Sdarrenr | on 313145510Sdarrenr | dup 314145510Sdarrenr | froute 315145510Sdarrenr | proute 316145510Sdarrenr | replyto 317145510Sdarrenr ; 318145510Sdarrenr 319145510Sdarrenroutopts: 320145510Sdarrenr | outopts outopt 321145510Sdarrenr ; 322145510Sdarrenr 323145510Sdarrenroutopt: 324145510Sdarrenr logopt 325145510Sdarrenr | quick 326145510Sdarrenr | on 327145510Sdarrenr | dup 328145510Sdarrenr | proute 329145510Sdarrenr | replyto 330145510Sdarrenr ; 331145510Sdarrenr 332145510Sdarrenrtos: | settos YY_NUMBER { DOALL(fr->fr_tos = $2; fr->fr_mtos = 0xff;) } 333145510Sdarrenr | settos YY_HEX { DOALL(fr->fr_tos = $2; fr->fr_mtos = 0xff;) } 334145510Sdarrenr | settos lstart toslist lend 335145510Sdarrenr ; 336145510Sdarrenr 337145510Sdarrenrsettos: IPFY_TOS { setipftype(); } 338145510Sdarrenr ; 339145510Sdarrenr 340145510Sdarrenrtoslist: 341145510Sdarrenr YY_NUMBER { DOALL(fr->fr_tos = $1; fr->fr_mtos = 0xff;) } 342145510Sdarrenr | YY_HEX { DOREM(fr->fr_tos = $1; fr->fr_mtos = 0xff;) } 343145510Sdarrenr | toslist lmore YY_NUMBER 344145510Sdarrenr { DOREM(fr->fr_tos = $3; fr->fr_mtos = 0xff;) } 345145510Sdarrenr | toslist lmore YY_HEX 346145510Sdarrenr { DOREM(fr->fr_tos = $3; fr->fr_mtos = 0xff;) } 347145510Sdarrenr ; 348145510Sdarrenr 349145510Sdarrenrttl: | setttl YY_NUMBER 350145510Sdarrenr { DOALL(fr->fr_ttl = $2; fr->fr_mttl = 0xff;) } 351145510Sdarrenr | setttl lstart ttllist lend 352145510Sdarrenr ; 353145510Sdarrenr 354145510Sdarrenrlstart: '(' { newlist = 1; fr = frc; added = 0; } 355145510Sdarrenr ; 356145510Sdarrenr 357145510Sdarrenrlend: ')' { nrules += added; } 358145510Sdarrenr ; 359145510Sdarrenr 360145510Sdarrenrlmore: lanother { if (newlist == 1) { 361145510Sdarrenr newlist = 0; 362145510Sdarrenr } 363145510Sdarrenr fr = addrule(); 364145510Sdarrenr if (yycont != NULL) 365145510Sdarrenr *yycont = 1; 366145510Sdarrenr } 367145510Sdarrenr ; 368145510Sdarrenr 369145510Sdarrenrlanother: 370145510Sdarrenr | ',' 371145510Sdarrenr ; 372145510Sdarrenr 373145510Sdarrenrsetttl: IPFY_TTL { setipftype(); } 374145510Sdarrenr ; 375145510Sdarrenr 376145510Sdarrenrttllist: 377145510Sdarrenr YY_NUMBER { DOREM(fr->fr_ttl = $1; fr->fr_mttl = 0xff;) } 378145510Sdarrenr | ttllist lmore YY_NUMBER 379145510Sdarrenr { DOREM(fr->fr_ttl = $3; fr->fr_mttl = 0xff;) } 380145510Sdarrenr ; 381145510Sdarrenr 382145510Sdarrenrproto: | protox protocol { yyresetdict(); } 383145510Sdarrenr ; 384145510Sdarrenr 385145510Sdarrenrprotox: IPFY_PROTO { setipftype(); 386145510Sdarrenr fr = frc; 387145510Sdarrenr yysetdict(NULL); } 388145510Sdarrenr ; 389145510Sdarrenr 390145510Sdarrenrip: srcdst flags icmp 391145510Sdarrenr ; 392145510Sdarrenr 393145510Sdarrenrgroup: | IPFY_GROUP YY_STR { DOALL(strncpy(fr->fr_group, $2, \ 394145510Sdarrenr FR_GROUPLEN); \ 395145510Sdarrenr fillgroup(fr);); 396145510Sdarrenr free($2); } 397145510Sdarrenr | IPFY_GROUP YY_NUMBER { DOALL(sprintf(fr->fr_group, "%d", \ 398145510Sdarrenr $2); \ 399145510Sdarrenr fillgroup(fr);) } 400145510Sdarrenr ; 401145510Sdarrenr 402145510Sdarrenrhead: | IPFY_HEAD YY_STR { DOALL(strncpy(fr->fr_grhead, $2, \ 403145510Sdarrenr FR_GROUPLEN);); 404145510Sdarrenr free($2); } 405145510Sdarrenr | IPFY_HEAD YY_NUMBER { DOALL(sprintf(fr->fr_grhead, "%d", \ 406145510Sdarrenr $2);) } 407145510Sdarrenr ; 408145510Sdarrenr 409145510Sdarrenrsettagin: 410145510Sdarrenr | IPFY_SETTAG '(' taginlist ')' 411145510Sdarrenr ; 412145510Sdarrenr 413145510Sdarrenrtaginlist: 414145510Sdarrenr taginspec 415145510Sdarrenr | taginlist ',' taginspec 416145510Sdarrenr ; 417145510Sdarrenr 418145510Sdarrenrtaginspec: 419145510Sdarrenr logtag 420145510Sdarrenr ; 421145510Sdarrenr 422145510Sdarrenrnattag: IPFY_NAT '=' YY_STR { DOALL(strncpy(fr->fr_nattag.ipt_tag,\ 423145510Sdarrenr $3, IPFTAG_LEN);); 424145510Sdarrenr free($3); } 425145510Sdarrenr | IPFY_NAT '=' YY_NUMBER { DOALL(sprintf(fr->fr_nattag.ipt_tag,\ 426145510Sdarrenr "%d", $3 & 0xffffffff);) } 427145510Sdarrenr ; 428145510Sdarrenr 429145510Sdarrenrlogtag: IPFY_LOG '=' YY_NUMBER { DOALL(fr->fr_logtag = $3;) } 430145510Sdarrenr ; 431145510Sdarrenr 432145510Sdarrenrsettagout: 433145510Sdarrenr | IPFY_SETTAG '(' tagoutlist ')' 434145510Sdarrenr ; 435145510Sdarrenr 436145510Sdarrenrtagoutlist: 437145510Sdarrenr tagoutspec 438145510Sdarrenr | tagoutlist ',' tagoutspec 439145510Sdarrenr ; 440145510Sdarrenr 441145510Sdarrenrtagoutspec: 442145510Sdarrenr logtag 443145510Sdarrenr | nattag 444145510Sdarrenr ; 445145510Sdarrenr 446145510Sdarrenrmatchtagin: 447145510Sdarrenr | IPFY_MATCHTAG '(' tagoutlist ')' 448145510Sdarrenr ; 449145510Sdarrenr 450145510Sdarrenrmatchtagout: 451145510Sdarrenr | IPFY_MATCHTAG '(' taginlist ')' 452145510Sdarrenr ; 453145510Sdarrenr 454145510Sdarrenrpps: | IPFY_PPS YY_NUMBER { DOALL(fr->fr_pps = $2;) } 455145510Sdarrenr ; 456145510Sdarrenr 457145510Sdarrenrnew: | savegroup file restoregroup 458145510Sdarrenr ; 459145510Sdarrenr 460145510Sdarrenrsavegroup: 461145510Sdarrenr '{' 462145510Sdarrenr ; 463145510Sdarrenr 464145510Sdarrenrrestoregroup: 465145510Sdarrenr '}' 466145510Sdarrenr ; 467145510Sdarrenr 468145510Sdarrenrlogopt: log 469145510Sdarrenr ; 470145510Sdarrenr 471145510Sdarrenrquick: 472145510Sdarrenr IPFY_QUICK { fr->fr_flags |= FR_QUICK; } 473145510Sdarrenr ; 474145510Sdarrenr 475145510Sdarrenron: IPFY_ON onname 476161357Sguido | IPFY_ON lstart onlist lend 477145510Sdarrenr | IPFY_ON onname IPFY_INVIA vianame 478145510Sdarrenr | IPFY_ON onname IPFY_OUTVIA vianame 479145510Sdarrenr ; 480145510Sdarrenr 481161357Sguidoonlist: onname { DOREM(strncpy(fr->fr_ifnames[0], $1.if1, \ 482161357Sguido sizeof(fr->fr_ifnames[0])); \ 483161357Sguido if ($1.if2 != NULL) { \ 484161357Sguido strncpy(fr->fr_ifnames[1], \ 485161357Sguido $1.if2, \ 486161357Sguido sizeof(fr->fr_ifnames[1]));\ 487161357Sguido } \ 488161357Sguido ) } 489161357Sguido | onlist lmore onname { DOREM(strncpy(fr->fr_ifnames[0], $3.if1, \ 490161357Sguido sizeof(fr->fr_ifnames[0])); \ 491161357Sguido if ($3.if2 != NULL) { \ 492161357Sguido strncpy(fr->fr_ifnames[1], \ 493161357Sguido $3.if2, \ 494161357Sguido sizeof(fr->fr_ifnames[1]));\ 495161357Sguido } \ 496161357Sguido ) } 497161357Sguido ; 498161357Sguido 499145510Sdarrenronname: interfacename 500145510Sdarrenr { strncpy(fr->fr_ifnames[0], $1, sizeof(fr->fr_ifnames[0])); 501161357Sguido $$.if1 = fr->fr_ifnames[0]; 502161357Sguido $$.if2 = NULL; 503145510Sdarrenr free($1); 504145510Sdarrenr } 505145510Sdarrenr | interfacename ',' interfacename 506145510Sdarrenr { strncpy(fr->fr_ifnames[0], $1, sizeof(fr->fr_ifnames[0])); 507161357Sguido $$.if1 = fr->fr_ifnames[0]; 508145510Sdarrenr free($1); 509145510Sdarrenr strncpy(fr->fr_ifnames[1], $3, sizeof(fr->fr_ifnames[1])); 510161357Sguido $$.if1 = fr->fr_ifnames[1]; 511145510Sdarrenr free($3); 512145510Sdarrenr } 513145510Sdarrenr ; 514145510Sdarrenr 515145510Sdarrenrvianame: 516145510Sdarrenr name 517145510Sdarrenr { strncpy(fr->fr_ifnames[2], $1, sizeof(fr->fr_ifnames[2])); 518145510Sdarrenr free($1); 519145510Sdarrenr } 520145510Sdarrenr | name ',' name 521145510Sdarrenr { strncpy(fr->fr_ifnames[2], $1, sizeof(fr->fr_ifnames[2])); 522145510Sdarrenr free($1); 523145510Sdarrenr strncpy(fr->fr_ifnames[3], $3, sizeof(fr->fr_ifnames[3])); 524145510Sdarrenr free($3); 525145510Sdarrenr } 526145510Sdarrenr ; 527145510Sdarrenr 528145510Sdarrenrdup: IPFY_DUPTO name 529145510Sdarrenr { strncpy(fr->fr_dif.fd_ifname, $2, sizeof(fr->fr_dif.fd_ifname)); 530145510Sdarrenr free($2); 531145510Sdarrenr } 532145510Sdarrenr | IPFY_DUPTO name duptoseparator hostname 533145510Sdarrenr { strncpy(fr->fr_dif.fd_ifname, $2, sizeof(fr->fr_dif.fd_ifname)); 534145510Sdarrenr fr->fr_dif.fd_ip = $4; 535145510Sdarrenr yyexpectaddr = 0; 536145510Sdarrenr free($2); 537145510Sdarrenr } 538145510Sdarrenr | IPFY_DUPTO name duptoseparator YY_IPV6 539145510Sdarrenr { strncpy(fr->fr_dif.fd_ifname, $2, sizeof(fr->fr_dif.fd_ifname)); 540145510Sdarrenr bcopy(&$4, &fr->fr_dif.fd_ip6, sizeof(fr->fr_dif.fd_ip6)); 541145510Sdarrenr yyexpectaddr = 0; 542145510Sdarrenr free($2); 543145510Sdarrenr } 544145510Sdarrenr ; 545145510Sdarrenr 546145510Sdarrenrduptoseparator: 547145510Sdarrenr ':' { yyexpectaddr = 1; yycont = &yyexpectaddr; resetaddr(); } 548145510Sdarrenr ; 549145510Sdarrenr 550145510Sdarrenrfroute: IPFY_FROUTE { fr->fr_flags |= FR_FASTROUTE; } 551145510Sdarrenr ; 552145510Sdarrenr 553145510Sdarrenrproute: routeto name 554145510Sdarrenr { strncpy(fr->fr_tif.fd_ifname, $2, sizeof(fr->fr_tif.fd_ifname)); 555145510Sdarrenr free($2); 556145510Sdarrenr } 557145510Sdarrenr | routeto name duptoseparator hostname 558145510Sdarrenr { strncpy(fr->fr_tif.fd_ifname, $2, sizeof(fr->fr_tif.fd_ifname)); 559145510Sdarrenr fr->fr_tif.fd_ip = $4; 560145510Sdarrenr yyexpectaddr = 0; 561145510Sdarrenr free($2); 562145510Sdarrenr } 563145510Sdarrenr | routeto name duptoseparator YY_IPV6 564145510Sdarrenr { strncpy(fr->fr_tif.fd_ifname, $2, sizeof(fr->fr_tif.fd_ifname)); 565145510Sdarrenr bcopy(&$4, &fr->fr_tif.fd_ip6, sizeof(fr->fr_tif.fd_ip6)); 566145510Sdarrenr yyexpectaddr = 0; 567145510Sdarrenr free($2); 568145510Sdarrenr } 569145510Sdarrenr ; 570145510Sdarrenr 571145510Sdarrenrrouteto: 572145510Sdarrenr IPFY_TO 573145510Sdarrenr | IPFY_ROUTETO 574145510Sdarrenr ; 575145510Sdarrenr 576145510Sdarrenrreplyto: 577145510Sdarrenr IPFY_REPLY_TO name 578145510Sdarrenr { strncpy(fr->fr_rif.fd_ifname, $2, sizeof(fr->fr_rif.fd_ifname)); 579145510Sdarrenr free($2); 580145510Sdarrenr } 581145510Sdarrenr | IPFY_REPLY_TO name duptoseparator hostname 582145510Sdarrenr { strncpy(fr->fr_rif.fd_ifname, $2, sizeof(fr->fr_rif.fd_ifname)); 583145510Sdarrenr fr->fr_rif.fd_ip = $4; 584145510Sdarrenr free($2); 585145510Sdarrenr } 586145510Sdarrenr ; 587145510Sdarrenr 588145510Sdarrenrlogoptions: 589145510Sdarrenr logoption 590145510Sdarrenr | logoptions logoption 591145510Sdarrenr ; 592145510Sdarrenr 593145510Sdarrenrlogoption: 594145510Sdarrenr IPFY_BODY { fr->fr_flags |= FR_LOGBODY; } 595145510Sdarrenr | IPFY_FIRST { fr->fr_flags |= FR_LOGFIRST; } 596145510Sdarrenr | IPFY_ORBLOCK { fr->fr_flags |= FR_LOGORBLOCK; } 597145510Sdarrenr | level loglevel { unsetsyslog(); } 598145510Sdarrenr ; 599145510Sdarrenr 600145510Sdarrenrreturncode: 601145510Sdarrenr starticmpcode icmpcode ')' { fr->fr_icode = $2; yyresetdict(); } 602145510Sdarrenr ; 603145510Sdarrenr 604145510Sdarrenrstarticmpcode: 605145510Sdarrenr '(' { yysetdict(icmpcodewords); } 606145510Sdarrenr ; 607145510Sdarrenr 608145510Sdarrenrsrcdst: | IPFY_ALL 609145510Sdarrenr | fromto 610145510Sdarrenr ; 611145510Sdarrenr 612145510Sdarrenrprotocol: 613145510Sdarrenr YY_NUMBER { DOREM(fr->fr_proto = $1; \ 614145510Sdarrenr fr->fr_mproto = 0xff;) } 615145510Sdarrenr | YY_STR { if (!strcmp($1, "tcp-udp")) { 616145510Sdarrenr DOREM(fr->fr_flx |= FI_TCPUDP; \ 617145510Sdarrenr fr->fr_mflx |= FI_TCPUDP;) 618145510Sdarrenr } else { 619145510Sdarrenr int p = getproto($1); 620145510Sdarrenr if (p == -1) 621145510Sdarrenr yyerror("protocol unknown"); 622145510Sdarrenr DOREM(fr->fr_proto = p; \ 623145510Sdarrenr fr->fr_mproto = 0xff;) 624145510Sdarrenr } 625145510Sdarrenr free($1); 626145510Sdarrenr } 627145510Sdarrenr | YY_STR nextstring YY_STR 628145510Sdarrenr { if (!strcmp($1, "tcp") && 629145510Sdarrenr !strcmp($3, "udp")) { 630145510Sdarrenr DOREM(fr->fr_flx |= FI_TCPUDP; \ 631145510Sdarrenr fr->fr_mflx |= FI_TCPUDP;) 632145510Sdarrenr } else 633145510Sdarrenr YYERROR; 634145510Sdarrenr free($1); 635145510Sdarrenr free($3); 636145510Sdarrenr } 637145510Sdarrenr ; 638145510Sdarrenr 639145510Sdarrenrnextstring: 640145510Sdarrenr '/' { yysetdict(NULL); } 641145510Sdarrenr ; 642145510Sdarrenr 643145510Sdarrenrfromto: from srcobject to dstobject { yyexpectaddr = 0; yycont = NULL; } 644145510Sdarrenr | to dstobject { yyexpectaddr = 0; yycont = NULL; } 645145510Sdarrenr | from srcobject { yyexpectaddr = 0; yycont = NULL; } 646145510Sdarrenr ; 647145510Sdarrenr 648145510Sdarrenrfrom: IPFY_FROM { setipftype(); 649145510Sdarrenr if (fr == NULL) 650145510Sdarrenr fr = frc; 651145510Sdarrenr yyexpectaddr = 1; 652145510Sdarrenr if (yydebug) 653145510Sdarrenr printf("set yyexpectaddr\n"); 654145510Sdarrenr yycont = &yyexpectaddr; 655145510Sdarrenr yysetdict(addrwords); 656145510Sdarrenr resetaddr(); } 657145510Sdarrenr ; 658145510Sdarrenr 659145510Sdarrenrto: IPFY_TO { if (fr == NULL) 660145510Sdarrenr fr = frc; 661145510Sdarrenr yyexpectaddr = 1; 662145510Sdarrenr if (yydebug) 663145510Sdarrenr printf("set yyexpectaddr\n"); 664145510Sdarrenr yycont = &yyexpectaddr; 665145510Sdarrenr yysetdict(addrwords); 666145510Sdarrenr resetaddr(); } 667145510Sdarrenr ; 668145510Sdarrenr 669145510Sdarrenrwith: | andwith withlist 670145510Sdarrenr ; 671145510Sdarrenr 672145510Sdarrenrandwith: 673145510Sdarrenr IPFY_WITH { nowith = 0; setipftype(); } 674145510Sdarrenr | IPFY_AND { nowith = 0; setipftype(); } 675145510Sdarrenr ; 676145510Sdarrenr 677145510Sdarrenrflags: | startflags flagset 678145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = FR_TCPFMAX;) } 679145510Sdarrenr | startflags flagset '/' flagset 680145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 681145510Sdarrenr | startflags '/' flagset 682145510Sdarrenr { DOALL(fr->fr_tcpf = 0; fr->fr_tcpfm = $3;) } 683145510Sdarrenr | startflags YY_NUMBER 684145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = FR_TCPFMAX;) } 685145510Sdarrenr | startflags '/' YY_NUMBER 686145510Sdarrenr { DOALL(fr->fr_tcpf = 0; fr->fr_tcpfm = $3;) } 687145510Sdarrenr | startflags YY_NUMBER '/' YY_NUMBER 688145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 689145510Sdarrenr | startflags flagset '/' YY_NUMBER 690145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 691145510Sdarrenr | startflags YY_NUMBER '/' flagset 692145510Sdarrenr { DOALL(fr->fr_tcpf = $2; fr->fr_tcpfm = $4;) } 693145510Sdarrenr ; 694145510Sdarrenr 695145510Sdarrenrstartflags: 696145510Sdarrenr IPFY_FLAGS { if (frc->fr_type != FR_T_IPF) 697145510Sdarrenr yyerror("flags with non-ipf type rule"); 698145510Sdarrenr if (frc->fr_proto != IPPROTO_TCP) 699145510Sdarrenr yyerror("flags with non-TCP rule"); 700145510Sdarrenr } 701145510Sdarrenr ; 702145510Sdarrenr 703145510Sdarrenrflagset: 704145510Sdarrenr YY_STR { $$ = tcpflags($1); free($1); } 705145510Sdarrenr | YY_HEX { $$ = $1; } 706145510Sdarrenr ; 707145510Sdarrenr 708145510Sdarrenrsrcobject: 709145510Sdarrenr { yyresetdict(); } fromport 710145510Sdarrenr | srcaddr srcport 711145510Sdarrenr | '!' srcaddr srcport 712145510Sdarrenr { DOALL(fr->fr_flags |= FR_NOTSRCIP;) } 713145510Sdarrenr ; 714145510Sdarrenr 715145510Sdarrenrsrcaddr: 716145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_src, sizeof($1.a)); \ 717145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_src, sizeof($1.m)); \ 718145510Sdarrenr if (dynamic != -1) { \ 719145510Sdarrenr fr->fr_satype = ifpflag; \ 720145510Sdarrenr fr->fr_ipf->fri_sifpidx = dynamic; \ 721145510Sdarrenr } else if (pooled || hashed) \ 722145510Sdarrenr fr->fr_satype = FRI_LOOKUP;) 723145510Sdarrenr } 724145510Sdarrenr | lstart srcaddrlist lend 725145510Sdarrenr ; 726145510Sdarrenr 727145510Sdarrenrsrcaddrlist: 728145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_src, sizeof($1.a)); \ 729145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_src, sizeof($1.m)); \ 730145510Sdarrenr if (dynamic != -1) { \ 731145510Sdarrenr fr->fr_satype = ifpflag; \ 732145510Sdarrenr fr->fr_ipf->fri_sifpidx = dynamic; \ 733145510Sdarrenr } else if (pooled || hashed) \ 734145510Sdarrenr fr->fr_satype = FRI_LOOKUP;) 735145510Sdarrenr } 736145510Sdarrenr | srcaddrlist lmore addr 737145510Sdarrenr { DOREM(bcopy(&($3.a), &fr->fr_ip.fi_src, sizeof($3.a)); \ 738145510Sdarrenr bcopy(&($3.m), &fr->fr_mip.fi_src, sizeof($3.m)); \ 739145510Sdarrenr if (dynamic != -1) { \ 740145510Sdarrenr fr->fr_satype = ifpflag; \ 741145510Sdarrenr fr->fr_ipf->fri_sifpidx = dynamic; \ 742145510Sdarrenr } else if (pooled || hashed) \ 743145510Sdarrenr fr->fr_satype = FRI_LOOKUP;) 744145510Sdarrenr } 745145510Sdarrenr ; 746145510Sdarrenr 747145510Sdarrenrsrcport: 748145510Sdarrenr | portcomp 749145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1;) } 750145510Sdarrenr | portrange 751145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1; \ 752145510Sdarrenr fr->fr_stop = $1.p2;) } 753145510Sdarrenr | porteq lstart srcportlist lend 754145510Sdarrenr { yyresetdict(); } 755145510Sdarrenr ; 756145510Sdarrenr 757145510Sdarrenrfromport: 758145510Sdarrenr portcomp 759145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1;) } 760145510Sdarrenr | portrange 761145510Sdarrenr { DOALL(fr->fr_scmp = $1.pc; fr->fr_sport = $1.p1; \ 762145510Sdarrenr fr->fr_stop = $1.p2;) } 763145510Sdarrenr | porteq lstart srcportlist lend 764145510Sdarrenr { yyresetdict(); } 765145510Sdarrenr ; 766145510Sdarrenr 767145510Sdarrenrsrcportlist: 768145510Sdarrenr portnum { DOREM(fr->fr_scmp = FR_EQUAL; fr->fr_sport = $1;) } 769145510Sdarrenr | srcportlist lmore portnum 770145510Sdarrenr { DOREM(fr->fr_scmp = FR_EQUAL; fr->fr_sport = $3;) } 771145510Sdarrenr ; 772145510Sdarrenr 773145510Sdarrenrdstobject: 774145510Sdarrenr { yyresetdict(); } toport 775145510Sdarrenr | dstaddr dstport 776145510Sdarrenr | '!' dstaddr dstport 777145510Sdarrenr { DOALL(fr->fr_flags |= FR_NOTDSTIP;) } 778145510Sdarrenr ; 779145510Sdarrenr 780145510Sdarrenrdstaddr: 781145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_dst, sizeof($1.a)); \ 782145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_dst, sizeof($1.m)); \ 783145510Sdarrenr if (dynamic != -1) { \ 784145510Sdarrenr fr->fr_datype = ifpflag; \ 785145510Sdarrenr fr->fr_ipf->fri_difpidx = dynamic; \ 786145510Sdarrenr } else if (pooled || hashed) \ 787145510Sdarrenr fr->fr_datype = FRI_LOOKUP;) 788145510Sdarrenr } 789145510Sdarrenr | lstart dstaddrlist lend 790145510Sdarrenr ; 791145510Sdarrenr 792145510Sdarrenrdstaddrlist: 793145510Sdarrenr addr { DOREM(bcopy(&($1.a), &fr->fr_ip.fi_dst, sizeof($1.a)); \ 794145510Sdarrenr bcopy(&($1.m), &fr->fr_mip.fi_dst, sizeof($1.m)); \ 795145510Sdarrenr if (dynamic != -1) { \ 796145510Sdarrenr fr->fr_datype = ifpflag; \ 797145510Sdarrenr fr->fr_ipf->fri_difpidx = dynamic; \ 798145510Sdarrenr } else if (pooled || hashed) \ 799145510Sdarrenr fr->fr_datype = FRI_LOOKUP;) 800145510Sdarrenr } 801145510Sdarrenr | dstaddrlist lmore addr 802145510Sdarrenr { DOREM(bcopy(&($3.a), &fr->fr_ip.fi_dst, sizeof($3.a)); \ 803145510Sdarrenr bcopy(&($3.m), &fr->fr_mip.fi_dst, sizeof($3.m)); \ 804145510Sdarrenr if (dynamic != -1) { \ 805145510Sdarrenr fr->fr_datype = ifpflag; \ 806145510Sdarrenr fr->fr_ipf->fri_difpidx = dynamic; \ 807145510Sdarrenr } else if (pooled || hashed) \ 808145510Sdarrenr fr->fr_datype = FRI_LOOKUP;) 809145510Sdarrenr } 810145510Sdarrenr ; 811145510Sdarrenr 812145510Sdarrenr 813145510Sdarrenrdstport: 814145510Sdarrenr | portcomp 815145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1;) } 816145510Sdarrenr | portrange 817145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1; \ 818145510Sdarrenr fr->fr_dtop = $1.p2;) } 819145510Sdarrenr | porteq lstart dstportlist lend 820145510Sdarrenr { yyresetdict(); } 821145510Sdarrenr ; 822145510Sdarrenr 823145510Sdarrenrtoport: 824145510Sdarrenr portcomp 825145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1;) } 826145510Sdarrenr | portrange 827145510Sdarrenr { DOALL(fr->fr_dcmp = $1.pc; fr->fr_dport = $1.p1; \ 828145510Sdarrenr fr->fr_dtop = $1.p2;) } 829145510Sdarrenr | porteq lstart dstportlist lend 830145510Sdarrenr { yyresetdict(); } 831145510Sdarrenr ; 832145510Sdarrenr 833145510Sdarrenrdstportlist: 834145510Sdarrenr portnum { DOREM(fr->fr_dcmp = FR_EQUAL; fr->fr_dport = $1;) } 835145510Sdarrenr | dstportlist lmore portnum 836145510Sdarrenr { DOREM(fr->fr_dcmp = FR_EQUAL; fr->fr_dport = $3;) } 837145510Sdarrenr ; 838145510Sdarrenr 839145510Sdarrenraddr: pool '/' YY_NUMBER { pooled = 1; 840145510Sdarrenr yyexpectaddr = 0; 841145510Sdarrenr $$.a.iplookuptype = IPLT_POOL; 842145510Sdarrenr $$.a.iplookupnum = $3; } 843145510Sdarrenr | pool '=' '(' poollist ')' { pooled = 1; 844145510Sdarrenr yyexpectaddr = 0; 845145510Sdarrenr $$.a.iplookuptype = IPLT_POOL; 846145510Sdarrenr $$.a.iplookupnum = makepool($4); } 847145510Sdarrenr | hash '/' YY_NUMBER { hashed = 1; 848145510Sdarrenr yyexpectaddr = 0; 849145510Sdarrenr $$.a.iplookuptype = IPLT_HASH; 850145510Sdarrenr $$.a.iplookupnum = $3; } 851145510Sdarrenr | hash '=' '(' addrlist ')' { hashed = 1; 852145510Sdarrenr yyexpectaddr = 0; 853145510Sdarrenr $$.a.iplookuptype = IPLT_HASH; 854145510Sdarrenr $$.a.iplookupnum = makehash($4); } 855145510Sdarrenr | ipaddr { bcopy(&$1, &$$, sizeof($$)); 856145510Sdarrenr yyexpectaddr = 0; } 857145510Sdarrenr ; 858145510Sdarrenr 859145510Sdarrenripaddr: IPFY_ANY { bzero(&($$), sizeof($$)); 860145510Sdarrenr yyresetdict(); 861145510Sdarrenr yyexpectaddr = 0; } 862145510Sdarrenr | hostname { $$.a.in4 = $1; 863145510Sdarrenr $$.m.in4_addr = 0xffffffff; 864145510Sdarrenr yyexpectaddr = 0; } 865145510Sdarrenr | hostname { yyresetdict(); 866145510Sdarrenr $$.a.in4_addr = $1.s_addr; } 867145510Sdarrenr maskspace { yysetdict(maskwords); } 868145510Sdarrenr ipv4mask { $$.m.in4_addr = $5.s_addr; 869145510Sdarrenr $$.a.in4_addr &= $5.s_addr; 870145510Sdarrenr yyresetdict(); 871145510Sdarrenr yyexpectaddr = 0; } 872145510Sdarrenr | YY_IPV6 { bcopy(&$1, &$$.a, sizeof($$.a)); 873145510Sdarrenr fill6bits(128, (u_32_t *)&$$.m); 874145510Sdarrenr yyresetdict(); 875145510Sdarrenr yyexpectaddr = 0; } 876145510Sdarrenr | YY_IPV6 { yyresetdict(); 877145510Sdarrenr bcopy(&$1, &$$.a, sizeof($$.a)); } 878145510Sdarrenr maskspace { yysetdict(maskwords); } 879145510Sdarrenr ipv6mask { bcopy(&$5, &$$.m, sizeof($$.m)); 880145510Sdarrenr yyresetdict(); 881145510Sdarrenr yyexpectaddr = 0; } 882145510Sdarrenr ; 883145510Sdarrenrmaskspace: 884145510Sdarrenr '/' 885145510Sdarrenr | IPFY_MASK 886145510Sdarrenr ; 887145510Sdarrenr 888145510Sdarrenripv4mask: 889145510Sdarrenr ipv4 { $$ = $1; } 890145510Sdarrenr | YY_HEX { $$.s_addr = htonl($1); } 891145510Sdarrenr | YY_NUMBER { ntomask(4, $1, (u_32_t *)&$$); } 892145510Sdarrenr | IPFY_BROADCAST { if (ifpflag == FRI_DYNAMIC) { 893145510Sdarrenr $$.s_addr = 0; 894145510Sdarrenr ifpflag = FRI_BROADCAST; 895145510Sdarrenr } else 896145510Sdarrenr YYERROR; 897145510Sdarrenr } 898145510Sdarrenr | IPFY_NETWORK { if (ifpflag == FRI_DYNAMIC) { 899145510Sdarrenr $$.s_addr = 0; 900145510Sdarrenr ifpflag = FRI_NETWORK; 901145510Sdarrenr } else 902145510Sdarrenr YYERROR; 903145510Sdarrenr } 904145510Sdarrenr | IPFY_NETMASKED { if (ifpflag == FRI_DYNAMIC) { 905145510Sdarrenr $$.s_addr = 0; 906145510Sdarrenr ifpflag = FRI_NETMASKED; 907145510Sdarrenr } else 908145510Sdarrenr YYERROR; 909145510Sdarrenr } 910145510Sdarrenr | IPFY_PEER { if (ifpflag == FRI_DYNAMIC) { 911145510Sdarrenr $$.s_addr = 0; 912145510Sdarrenr ifpflag = FRI_PEERADDR; 913145510Sdarrenr } else 914145510Sdarrenr YYERROR; 915145510Sdarrenr } 916145510Sdarrenr ; 917145510Sdarrenr 918145510Sdarrenripv6mask: 919145510Sdarrenr YY_NUMBER { ntomask(6, $1, $$.i6); } 920145510Sdarrenr | IPFY_BROADCAST { if (ifpflag == FRI_DYNAMIC) { 921145510Sdarrenr bzero(&$$, sizeof($$)); 922145510Sdarrenr ifpflag = FRI_BROADCAST; 923145510Sdarrenr } else 924145510Sdarrenr YYERROR; 925145510Sdarrenr } 926145510Sdarrenr | IPFY_NETWORK { if (ifpflag == FRI_DYNAMIC) { 927145510Sdarrenr bzero(&$$, sizeof($$)); 928145510Sdarrenr ifpflag = FRI_BROADCAST; 929145510Sdarrenr } else 930145510Sdarrenr YYERROR; 931145510Sdarrenr } 932145510Sdarrenr | IPFY_NETMASKED { if (ifpflag == FRI_DYNAMIC) { 933145510Sdarrenr bzero(&$$, sizeof($$)); 934145510Sdarrenr ifpflag = FRI_BROADCAST; 935145510Sdarrenr } else 936145510Sdarrenr YYERROR; 937145510Sdarrenr } 938145510Sdarrenr | IPFY_PEER { if (ifpflag == FRI_DYNAMIC) { 939145510Sdarrenr bzero(&$$, sizeof($$)); 940145510Sdarrenr ifpflag = FRI_BROADCAST; 941145510Sdarrenr } else 942145510Sdarrenr YYERROR; 943145510Sdarrenr } 944145510Sdarrenr ; 945145510Sdarrenr 946145510Sdarrenrhostname: 947145510Sdarrenr ipv4 { $$ = $1; } 948145510Sdarrenr | YY_NUMBER { $$.s_addr = $1; } 949145510Sdarrenr | YY_HEX { $$.s_addr = $1; } 950145510Sdarrenr | YY_STR { $$.s_addr = lookuphost($1); 951145510Sdarrenr free($1); 952145510Sdarrenr } 953145510Sdarrenr ; 954145510Sdarrenr 955145510Sdarrenraddrlist: 956145510Sdarrenr ipaddr { $$ = newalist(NULL); 957145510Sdarrenr bcopy(&($1.a), &($$->al_i6addr), sizeof($1.a)); 958145510Sdarrenr bcopy(&($1.m), &($$->al_i6mask), sizeof($1.m)); } 959145510Sdarrenr | addrlist ',' ipaddr 960145510Sdarrenr { $$ = newalist($1); 961145510Sdarrenr bcopy(&($3.a), &($$->al_i6addr), sizeof($3.a)); 962145510Sdarrenr bcopy(&($3.m), &($$->al_i6mask), sizeof($3.m)); } 963145510Sdarrenr ; 964145510Sdarrenr 965145510Sdarrenrpool: IPFY_POOL { yyexpectaddr = 0; yycont = NULL; yyresetdict(); } 966145510Sdarrenr ; 967145510Sdarrenr 968145510Sdarrenrhash: IPFY_HASH { yyexpectaddr = 0; yycont = NULL; yyresetdict(); } 969145510Sdarrenr ; 970145510Sdarrenr 971145510Sdarrenrpoollist: 972145510Sdarrenr ipaddr { $$ = newalist(NULL); 973145510Sdarrenr bcopy(&($1.a), &($$->al_i6addr), sizeof($1.a)); 974145510Sdarrenr bcopy(&($1.m), &($$->al_i6mask), sizeof($1.m)); } 975145510Sdarrenr | '!' ipaddr { $$ = newalist(NULL); 976145510Sdarrenr $$->al_not = 1; 977145510Sdarrenr bcopy(&($2.a), &($$->al_i6addr), sizeof($2.a)); 978145510Sdarrenr bcopy(&($2.m), &($$->al_i6mask), sizeof($2.m)); } 979145510Sdarrenr | poollist ',' ipaddr 980145510Sdarrenr { $$ = newalist($1); 981145510Sdarrenr bcopy(&($3.a), &($$->al_i6addr), sizeof($3.a)); 982145510Sdarrenr bcopy(&($3.m), &($$->al_i6mask), sizeof($3.m)); } 983145510Sdarrenr | poollist ',' '!' ipaddr 984145510Sdarrenr { $$ = newalist($1); 985145510Sdarrenr $$->al_not = 1; 986145510Sdarrenr bcopy(&($4.a), &($$->al_i6addr), sizeof($4.a)); 987145510Sdarrenr bcopy(&($4.m), &($$->al_i6mask), sizeof($4.m)); } 988145510Sdarrenr ; 989145510Sdarrenr 990145510Sdarrenrport: IPFY_PORT { yyexpectaddr = 0; 991145510Sdarrenr yycont = NULL; 992145510Sdarrenr } 993145510Sdarrenr ; 994145510Sdarrenr 995145510Sdarrenrportc: port compare { $$ = $2; 996145510Sdarrenr yysetdict(NULL); } 997145510Sdarrenr | porteq { $$ = $1; } 998145510Sdarrenr ; 999145510Sdarrenr 1000145510Sdarrenrporteq: port '=' { $$ = FR_EQUAL; 1001145510Sdarrenr yysetdict(NULL); } 1002145510Sdarrenr ; 1003145510Sdarrenr 1004145510Sdarrenrportr: IPFY_PORT { yyexpectaddr = 0; 1005145510Sdarrenr yycont = NULL; 1006145510Sdarrenr yysetdict(NULL); } 1007145510Sdarrenr ; 1008145510Sdarrenr 1009145510Sdarrenrportcomp: 1010145510Sdarrenr portc portnum { $$.pc = $1; 1011145510Sdarrenr $$.p1 = $2; 1012145510Sdarrenr yyresetdict(); } 1013145510Sdarrenr ; 1014145510Sdarrenr 1015145510Sdarrenrportrange: 1016145510Sdarrenr portr portnum range portnum { $$.p1 = $2; 1017145510Sdarrenr $$.pc = $3; 1018145510Sdarrenr $$.p2 = $4; 1019145510Sdarrenr yyresetdict(); } 1020145510Sdarrenr ; 1021145510Sdarrenr 1022145510Sdarrenricmp: | itype icode 1023145510Sdarrenr ; 1024145510Sdarrenr 1025145510Sdarrenritype: seticmptype icmptype 1026145510Sdarrenr { DOALL(fr->fr_icmp = htons($2 << 8); fr->fr_icmpm = htons(0xff00);); 1027145510Sdarrenr yyresetdict(); 1028145510Sdarrenr } 1029145510Sdarrenr | seticmptype lstart typelist lend { yyresetdict(); } 1030145510Sdarrenr ; 1031145510Sdarrenr 1032145510Sdarrenrseticmptype: 1033145510Sdarrenr IPFY_ICMPTYPE { setipftype(); 1034145510Sdarrenr yysetdict(icmptypewords); } 1035145510Sdarrenr ; 1036145510Sdarrenr 1037145510Sdarrenricode: | seticmpcode icmpcode 1038145510Sdarrenr { DOALL(fr->fr_icmp |= htons($2); fr->fr_icmpm |= htons(0xff);); 1039145510Sdarrenr yyresetdict(); 1040145510Sdarrenr } 1041145510Sdarrenr | seticmpcode lstart codelist lend { yyresetdict(); } 1042145510Sdarrenr ; 1043145510Sdarrenr 1044145510Sdarrenrseticmpcode: 1045145510Sdarrenr IPFY_ICMPCODE { yysetdict(icmpcodewords); } 1046145510Sdarrenr ; 1047145510Sdarrenr 1048145510Sdarrenrtypelist: 1049145510Sdarrenr icmptype 1050145510Sdarrenr { DOREM(fr->fr_icmp = htons($1 << 8); fr->fr_icmpm = htons(0xff00);) } 1051145510Sdarrenr | typelist lmore icmptype 1052145510Sdarrenr { DOREM(fr->fr_icmp = htons($3 << 8); fr->fr_icmpm = htons(0xff00);) } 1053145510Sdarrenr ; 1054145510Sdarrenr 1055145510Sdarrenrcodelist: 1056145510Sdarrenr icmpcode 1057145510Sdarrenr { DOREM(fr->fr_icmp |= htons($1); fr->fr_icmpm |= htons(0xff);) } 1058145510Sdarrenr | codelist lmore icmpcode 1059161357Sguido { DOREM(fr->fr_icmp &= htons(0xff00); fr->fr_icmp |= htons($3); \ 1060161357Sguido fr->fr_icmpm |= htons(0xff);) } 1061145510Sdarrenr ; 1062145510Sdarrenr 1063145510Sdarrenrage: | IPFY_AGE YY_NUMBER { DOALL(fr->fr_age[0] = $2; \ 1064145510Sdarrenr fr->fr_age[1] = $2;) } 1065145510Sdarrenr | IPFY_AGE YY_NUMBER '/' YY_NUMBER 1066145510Sdarrenr { DOALL(fr->fr_age[0] = $2; \ 1067145510Sdarrenr fr->fr_age[1] = $4;) } 1068145510Sdarrenr ; 1069145510Sdarrenr 1070145510Sdarrenrkeep: | IPFY_KEEP keepstate keep 1071145510Sdarrenr | IPFY_KEEP keepfrag keep 1072145510Sdarrenr ; 1073145510Sdarrenr 1074145510Sdarrenrkeepstate: 1075145510Sdarrenr IPFY_STATE stateoptlist { DOALL(fr->fr_flags |= FR_KEEPSTATE;)} 1076145510Sdarrenr ; 1077145510Sdarrenr 1078145510Sdarrenrkeepfrag: 1079145510Sdarrenr IPFY_FRAGS fragoptlist { DOALL(fr->fr_flags |= FR_KEEPFRAG;) } 1080145510Sdarrenr | IPFY_FRAG fragoptlist { DOALL(fr->fr_flags |= FR_KEEPFRAG;) } 1081145510Sdarrenr ; 1082145510Sdarrenr 1083145510Sdarrenrfragoptlist: 1084145510Sdarrenr | '(' fragopts ')' 1085145510Sdarrenr ; 1086145510Sdarrenr 1087145510Sdarrenrfragopts: 1088145510Sdarrenr fragopt lanother fragopts 1089145510Sdarrenr | fragopt 1090145510Sdarrenr ; 1091145510Sdarrenr 1092145510Sdarrenrfragopt: 1093145510Sdarrenr IPFY_STRICT { DOALL(fr->fr_flags |= FR_FRSTRICT;) } 1094145510Sdarrenr ; 1095145510Sdarrenr 1096145510Sdarrenrstateoptlist: 1097145510Sdarrenr | '(' stateopts ')' 1098145510Sdarrenr ; 1099145510Sdarrenr 1100145510Sdarrenrstateopts: 1101145510Sdarrenr stateopt lanother stateopts 1102145510Sdarrenr | stateopt 1103145510Sdarrenr ; 1104145510Sdarrenr 1105145510Sdarrenrstateopt: 1106145510Sdarrenr IPFY_LIMIT YY_NUMBER { DOALL(fr->fr_statemax = $2;) } 1107145510Sdarrenr | IPFY_STRICT { DOALL(if (fr->fr_proto != IPPROTO_TCP) { \ 1108145510Sdarrenr YYERROR; \ 1109145510Sdarrenr } else \ 1110145510Sdarrenr fr->fr_flags |= FR_STSTRICT;) 1111145510Sdarrenr } 1112145510Sdarrenr | IPFY_NEWISN { DOALL(if (fr->fr_proto != IPPROTO_TCP) { \ 1113145510Sdarrenr YYERROR; \ 1114145510Sdarrenr } else \ 1115145510Sdarrenr fr->fr_flags |= FR_NEWISN;) 1116145510Sdarrenr } 1117145510Sdarrenr | IPFY_NOICMPERR { DOALL(fr->fr_flags |= FR_NOICMPERR;) } 1118145510Sdarrenr 1119145510Sdarrenr | IPFY_SYNC { DOALL(fr->fr_flags |= FR_STATESYNC;) } 1120161357Sguido | IPFY_AGE YY_NUMBER { DOALL(fr->fr_age[0] = $2; \ 1121161357Sguido fr->fr_age[1] = $2;) } 1122161357Sguido | IPFY_AGE YY_NUMBER '/' YY_NUMBER 1123161357Sguido { DOALL(fr->fr_age[0] = $2; \ 1124161357Sguido fr->fr_age[1] = $4;) } 1125145510Sdarrenr ; 1126145510Sdarrenr 1127145510Sdarrenrportnum: 1128145510Sdarrenr servicename { if (getport(frc, $1, &($$)) == -1) 1129145510Sdarrenr yyerror("service unknown"); 1130145510Sdarrenr $$ = ntohs($$); 1131145510Sdarrenr free($1); 1132145510Sdarrenr } 1133145510Sdarrenr | YY_NUMBER { if ($1 > 65535) /* Unsigned */ 1134145510Sdarrenr yyerror("invalid port number"); 1135145510Sdarrenr else 1136145510Sdarrenr $$ = $1; 1137145510Sdarrenr } 1138145510Sdarrenr ; 1139145510Sdarrenr 1140145510Sdarrenrwithlist: 1141153881Sguido withopt { nowith = 0; } 1142153881Sguido | withlist withopt { nowith = 0; } 1143153881Sguido | withlist ',' withopt { nowith = 0; } 1144145510Sdarrenr ; 1145145510Sdarrenr 1146145510Sdarrenrwithopt: 1147145510Sdarrenr opttype { DOALL(fr->fr_flx |= $1; fr->fr_mflx |= $1;) } 1148153881Sguido | notwith opttype { DOALL(fr->fr_mflx |= $2;) } 1149145510Sdarrenr | ipopt ipopts { yyresetdict(); } 1150145510Sdarrenr | notwith ipopt ipopts { yyresetdict(); } 1151145510Sdarrenr | startv6hdrs ipv6hdrs { yyresetdict(); } 1152145510Sdarrenr ; 1153145510Sdarrenr 1154145510Sdarrenripopt: IPFY_OPT { yysetdict(ipv4optwords); } 1155145510Sdarrenr ; 1156145510Sdarrenr 1157145510Sdarrenrstartv6hdrs: 1158145510Sdarrenr IPF6_V6HDRS { if (use_inet6 == 0) 1159145510Sdarrenr yyerror("only available with IPv6"); 1160145510Sdarrenr yysetdict(ipv6optwords); 1161145510Sdarrenr } 1162145510Sdarrenr ; 1163145510Sdarrenr 1164145510Sdarrenrnotwith: 1165145510Sdarrenr IPFY_NOT { nowith = 1; } 1166145510Sdarrenr | IPFY_NO { nowith = 1; } 1167145510Sdarrenr ; 1168145510Sdarrenr 1169145510Sdarrenropttype: 1170145510Sdarrenr IPFY_IPOPTS { $$ = FI_OPTIONS; } 1171145510Sdarrenr | IPFY_SHORT { $$ = FI_SHORT; } 1172145510Sdarrenr | IPFY_NAT { $$ = FI_NATED; } 1173145510Sdarrenr | IPFY_BAD { $$ = FI_BAD; } 1174145510Sdarrenr | IPFY_BADNAT { $$ = FI_BADNAT; } 1175145510Sdarrenr | IPFY_BADSRC { $$ = FI_BADSRC; } 1176145510Sdarrenr | IPFY_LOWTTL { $$ = FI_LOWTTL; } 1177145510Sdarrenr | IPFY_FRAG { $$ = FI_FRAG; } 1178145510Sdarrenr | IPFY_FRAGBODY { $$ = FI_FRAGBODY; } 1179145510Sdarrenr | IPFY_FRAGS { $$ = FI_FRAG; } 1180145510Sdarrenr | IPFY_MBCAST { $$ = FI_MBCAST; } 1181145510Sdarrenr | IPFY_MULTICAST { $$ = FI_MULTICAST; } 1182145510Sdarrenr | IPFY_BROADCAST { $$ = FI_BROADCAST; } 1183145510Sdarrenr | IPFY_STATE { $$ = FI_STATE; } 1184145510Sdarrenr | IPFY_OOW { $$ = FI_OOW; } 1185145510Sdarrenr ; 1186145510Sdarrenr 1187145510Sdarrenripopts: optlist { DOALL(fr->fr_mip.fi_optmsk |= $1; 1188145510Sdarrenr if (!nowith) 1189145510Sdarrenr fr->fr_ip.fi_optmsk |= $1;) 1190145510Sdarrenr } 1191145510Sdarrenr ; 1192145510Sdarrenr 1193145510Sdarrenroptlist: 1194145510Sdarrenr opt { $$ |= $1; } 1195145510Sdarrenr | optlist ',' opt { $$ |= $1 | $3; } 1196145510Sdarrenr ; 1197145510Sdarrenr 1198145510Sdarrenripv6hdrs: 1199145510Sdarrenr ipv6hdrlist { DOALL(fr->fr_mip.fi_optmsk |= $1; 1200145510Sdarrenr if (!nowith) 1201145510Sdarrenr fr->fr_ip.fi_optmsk |= $1;) 1202145510Sdarrenr } 1203145510Sdarrenr ; 1204145510Sdarrenr 1205145510Sdarrenripv6hdrlist: 1206145510Sdarrenr ipv6hdr { $$ |= $1; } 1207145510Sdarrenr | ipv6hdrlist ',' ipv6hdr { $$ |= $1 | $3; } 1208145510Sdarrenr ; 1209145510Sdarrenr 1210145510Sdarrenrsecname: 1211145510Sdarrenr seclevel { $$ |= $1; } 1212145510Sdarrenr | secname ',' seclevel { $$ |= $1 | $3; } 1213145510Sdarrenr ; 1214145510Sdarrenr 1215145510Sdarrenrseclevel: 1216145510Sdarrenr IPFY_SEC_UNC { $$ = secbit(IPSO_CLASS_UNCL); } 1217145510Sdarrenr | IPFY_SEC_CONF { $$ = secbit(IPSO_CLASS_CONF); } 1218145510Sdarrenr | IPFY_SEC_RSV1 { $$ = secbit(IPSO_CLASS_RES1); } 1219145510Sdarrenr | IPFY_SEC_RSV2 { $$ = secbit(IPSO_CLASS_RES2); } 1220145510Sdarrenr | IPFY_SEC_RSV3 { $$ = secbit(IPSO_CLASS_RES3); } 1221145510Sdarrenr | IPFY_SEC_RSV4 { $$ = secbit(IPSO_CLASS_RES4); } 1222145510Sdarrenr | IPFY_SEC_SEC { $$ = secbit(IPSO_CLASS_SECR); } 1223145510Sdarrenr | IPFY_SEC_TS { $$ = secbit(IPSO_CLASS_TOPS); } 1224145510Sdarrenr ; 1225145510Sdarrenr 1226145510Sdarrenricmptype: 1227145510Sdarrenr YY_NUMBER { $$ = $1; } 1228145510Sdarrenr | IPFY_ICMPT_UNR { $$ = ICMP_UNREACH; } 1229145510Sdarrenr | IPFY_ICMPT_ECHO { $$ = ICMP_ECHO; } 1230145510Sdarrenr | IPFY_ICMPT_ECHOR { $$ = ICMP_ECHOREPLY; } 1231145510Sdarrenr | IPFY_ICMPT_SQUENCH { $$ = ICMP_SOURCEQUENCH; } 1232145510Sdarrenr | IPFY_ICMPT_REDIR { $$ = ICMP_REDIRECT; } 1233145510Sdarrenr | IPFY_ICMPT_TIMEX { $$ = ICMP_TIMXCEED; } 1234145510Sdarrenr | IPFY_ICMPT_PARAMP { $$ = ICMP_PARAMPROB; } 1235145510Sdarrenr | IPFY_ICMPT_TIMEST { $$ = ICMP_TSTAMP; } 1236145510Sdarrenr | IPFY_ICMPT_TIMESTREP { $$ = ICMP_TSTAMPREPLY; } 1237145510Sdarrenr | IPFY_ICMPT_INFOREQ { $$ = ICMP_IREQ; } 1238145510Sdarrenr | IPFY_ICMPT_INFOREP { $$ = ICMP_IREQREPLY; } 1239145510Sdarrenr | IPFY_ICMPT_MASKREQ { $$ = ICMP_MASKREQ; } 1240145510Sdarrenr | IPFY_ICMPT_MASKREP { $$ = ICMP_MASKREPLY; } 1241145510Sdarrenr | IPFY_ICMPT_ROUTERAD { $$ = ICMP_ROUTERADVERT; } 1242145510Sdarrenr | IPFY_ICMPT_ROUTERSOL { $$ = ICMP_ROUTERSOLICIT; } 1243145510Sdarrenr ; 1244145510Sdarrenr 1245145510Sdarrenricmpcode: 1246145510Sdarrenr YY_NUMBER { $$ = $1; } 1247145510Sdarrenr | IPFY_ICMPC_NETUNR { $$ = ICMP_UNREACH_NET; } 1248145510Sdarrenr | IPFY_ICMPC_HSTUNR { $$ = ICMP_UNREACH_HOST; } 1249145510Sdarrenr | IPFY_ICMPC_PROUNR { $$ = ICMP_UNREACH_PROTOCOL; } 1250145510Sdarrenr | IPFY_ICMPC_PORUNR { $$ = ICMP_UNREACH_PORT; } 1251145510Sdarrenr | IPFY_ICMPC_NEEDF { $$ = ICMP_UNREACH_NEEDFRAG; } 1252145510Sdarrenr | IPFY_ICMPC_SRCFAIL { $$ = ICMP_UNREACH_SRCFAIL; } 1253145510Sdarrenr | IPFY_ICMPC_NETUNK { $$ = ICMP_UNREACH_NET_UNKNOWN; } 1254145510Sdarrenr | IPFY_ICMPC_HSTUNK { $$ = ICMP_UNREACH_HOST_UNKNOWN; } 1255145510Sdarrenr | IPFY_ICMPC_ISOLATE { $$ = ICMP_UNREACH_ISOLATED; } 1256145510Sdarrenr | IPFY_ICMPC_NETPRO { $$ = ICMP_UNREACH_NET_PROHIB; } 1257145510Sdarrenr | IPFY_ICMPC_HSTPRO { $$ = ICMP_UNREACH_HOST_PROHIB; } 1258145510Sdarrenr | IPFY_ICMPC_NETTOS { $$ = ICMP_UNREACH_TOSNET; } 1259145510Sdarrenr | IPFY_ICMPC_HSTTOS { $$ = ICMP_UNREACH_TOSHOST; } 1260145510Sdarrenr | IPFY_ICMPC_FLTPRO { $$ = ICMP_UNREACH_ADMIN_PROHIBIT; } 1261145510Sdarrenr | IPFY_ICMPC_HSTPRE { $$ = 14; } 1262145510Sdarrenr | IPFY_ICMPC_CUTPRE { $$ = 15; } 1263145510Sdarrenr ; 1264145510Sdarrenr 1265145510Sdarrenropt: 1266145510Sdarrenr IPFY_IPOPT_NOP { $$ = getoptbyvalue(IPOPT_NOP); } 1267145510Sdarrenr | IPFY_IPOPT_RR { $$ = getoptbyvalue(IPOPT_RR); } 1268145510Sdarrenr | IPFY_IPOPT_ZSU { $$ = getoptbyvalue(IPOPT_ZSU); } 1269145510Sdarrenr | IPFY_IPOPT_MTUP { $$ = getoptbyvalue(IPOPT_MTUP); } 1270145510Sdarrenr | IPFY_IPOPT_MTUR { $$ = getoptbyvalue(IPOPT_MTUR); } 1271145510Sdarrenr | IPFY_IPOPT_ENCODE { $$ = getoptbyvalue(IPOPT_ENCODE); } 1272145510Sdarrenr | IPFY_IPOPT_TS { $$ = getoptbyvalue(IPOPT_TS); } 1273145510Sdarrenr | IPFY_IPOPT_TR { $$ = getoptbyvalue(IPOPT_TR); } 1274145510Sdarrenr | IPFY_IPOPT_SEC { $$ = getoptbyvalue(IPOPT_SECURITY); } 1275145510Sdarrenr | IPFY_IPOPT_LSRR { $$ = getoptbyvalue(IPOPT_LSRR); } 1276145510Sdarrenr | IPFY_IPOPT_ESEC { $$ = getoptbyvalue(IPOPT_E_SEC); } 1277145510Sdarrenr | IPFY_IPOPT_CIPSO { $$ = getoptbyvalue(IPOPT_CIPSO); } 1278145510Sdarrenr | IPFY_IPOPT_SATID { $$ = getoptbyvalue(IPOPT_SATID); } 1279145510Sdarrenr | IPFY_IPOPT_SSRR { $$ = getoptbyvalue(IPOPT_SSRR); } 1280145510Sdarrenr | IPFY_IPOPT_ADDEXT { $$ = getoptbyvalue(IPOPT_ADDEXT); } 1281145510Sdarrenr | IPFY_IPOPT_VISA { $$ = getoptbyvalue(IPOPT_VISA); } 1282145510Sdarrenr | IPFY_IPOPT_IMITD { $$ = getoptbyvalue(IPOPT_IMITD); } 1283145510Sdarrenr | IPFY_IPOPT_EIP { $$ = getoptbyvalue(IPOPT_EIP); } 1284145510Sdarrenr | IPFY_IPOPT_FINN { $$ = getoptbyvalue(IPOPT_FINN); } 1285145510Sdarrenr | IPFY_IPOPT_DPS { $$ = getoptbyvalue(IPOPT_DPS); } 1286145510Sdarrenr | IPFY_IPOPT_SDB { $$ = getoptbyvalue(IPOPT_SDB); } 1287145510Sdarrenr | IPFY_IPOPT_NSAPA { $$ = getoptbyvalue(IPOPT_NSAPA); } 1288145510Sdarrenr | IPFY_IPOPT_RTRALRT { $$ = getoptbyvalue(IPOPT_RTRALRT); } 1289145510Sdarrenr | IPFY_IPOPT_UMP { $$ = getoptbyvalue(IPOPT_UMP); } 1290145510Sdarrenr | setsecclass secname 1291145510Sdarrenr { DOALL(fr->fr_mip.fi_secmsk |= $2; 1292145510Sdarrenr if (!nowith) 1293145510Sdarrenr fr->fr_ip.fi_secmsk |= $2;) 1294145510Sdarrenr $$ = 0; 1295145510Sdarrenr yyresetdict(); 1296145510Sdarrenr } 1297145510Sdarrenr ; 1298145510Sdarrenr 1299145510Sdarrenrsetsecclass: 1300145510Sdarrenr IPFY_SECCLASS { yysetdict(ipv4secwords); } 1301145510Sdarrenr ; 1302145510Sdarrenr 1303145510Sdarrenripv6hdr: 1304145510Sdarrenr IPFY_AH { $$ = getv6optbyvalue(IPPROTO_AH); } 1305145510Sdarrenr | IPFY_IPV6OPT_DSTOPTS { $$ = getv6optbyvalue(IPPROTO_DSTOPTS); } 1306153881Sguido | IPFY_IPV6OPT_ESP { $$ = getv6optbyvalue(IPPROTO_ESP); } 1307145510Sdarrenr | IPFY_IPV6OPT_HOPOPTS { $$ = getv6optbyvalue(IPPROTO_HOPOPTS); } 1308145510Sdarrenr | IPFY_IPV6OPT_IPV6 { $$ = getv6optbyvalue(IPPROTO_IPV6); } 1309145510Sdarrenr | IPFY_IPV6OPT_NONE { $$ = getv6optbyvalue(IPPROTO_NONE); } 1310145510Sdarrenr | IPFY_IPV6OPT_ROUTING { $$ = getv6optbyvalue(IPPROTO_ROUTING); } 1311153881Sguido | IPFY_IPV6OPT_FRAG { $$ = getv6optbyvalue(IPPROTO_FRAGMENT); } 1312153881Sguido | IPFY_IPV6OPT_MOBILITY { $$ = getv6optbyvalue(IPPROTO_MOBILITY); } 1313145510Sdarrenr ; 1314145510Sdarrenr 1315145510Sdarrenrlevel: IPFY_LEVEL { setsyslog(); } 1316145510Sdarrenr ; 1317145510Sdarrenr 1318145510Sdarrenrloglevel: 1319145510Sdarrenr priority { fr->fr_loglevel = LOG_LOCAL0|$1; } 1320145510Sdarrenr | facility '.' priority { fr->fr_loglevel = $1 | $3; } 1321145510Sdarrenr ; 1322145510Sdarrenr 1323145510Sdarrenrfacility: 1324145510Sdarrenr IPFY_FAC_KERN { $$ = LOG_KERN; } 1325145510Sdarrenr | IPFY_FAC_USER { $$ = LOG_USER; } 1326145510Sdarrenr | IPFY_FAC_MAIL { $$ = LOG_MAIL; } 1327145510Sdarrenr | IPFY_FAC_DAEMON { $$ = LOG_DAEMON; } 1328145510Sdarrenr | IPFY_FAC_AUTH { $$ = LOG_AUTH; } 1329145510Sdarrenr | IPFY_FAC_SYSLOG { $$ = LOG_SYSLOG; } 1330145510Sdarrenr | IPFY_FAC_LPR { $$ = LOG_LPR; } 1331145510Sdarrenr | IPFY_FAC_NEWS { $$ = LOG_NEWS; } 1332145510Sdarrenr | IPFY_FAC_UUCP { $$ = LOG_UUCP; } 1333145510Sdarrenr | IPFY_FAC_CRON { $$ = LOG_CRON; } 1334145510Sdarrenr | IPFY_FAC_FTP { $$ = LOG_FTP; } 1335145510Sdarrenr | IPFY_FAC_AUTHPRIV { $$ = LOG_AUTHPRIV; } 1336145510Sdarrenr | IPFY_FAC_AUDIT { $$ = LOG_AUDIT; } 1337145510Sdarrenr | IPFY_FAC_LFMT { $$ = LOG_LFMT; } 1338145510Sdarrenr | IPFY_FAC_LOCAL0 { $$ = LOG_LOCAL0; } 1339145510Sdarrenr | IPFY_FAC_LOCAL1 { $$ = LOG_LOCAL1; } 1340145510Sdarrenr | IPFY_FAC_LOCAL2 { $$ = LOG_LOCAL2; } 1341145510Sdarrenr | IPFY_FAC_LOCAL3 { $$ = LOG_LOCAL3; } 1342145510Sdarrenr | IPFY_FAC_LOCAL4 { $$ = LOG_LOCAL4; } 1343145510Sdarrenr | IPFY_FAC_LOCAL5 { $$ = LOG_LOCAL5; } 1344145510Sdarrenr | IPFY_FAC_LOCAL6 { $$ = LOG_LOCAL6; } 1345145510Sdarrenr | IPFY_FAC_LOCAL7 { $$ = LOG_LOCAL7; } 1346145510Sdarrenr | IPFY_FAC_SECURITY { $$ = LOG_SECURITY; } 1347145510Sdarrenr ; 1348145510Sdarrenr 1349145510Sdarrenrpriority: 1350145510Sdarrenr IPFY_PRI_EMERG { $$ = LOG_EMERG; } 1351145510Sdarrenr | IPFY_PRI_ALERT { $$ = LOG_ALERT; } 1352145510Sdarrenr | IPFY_PRI_CRIT { $$ = LOG_CRIT; } 1353145510Sdarrenr | IPFY_PRI_ERR { $$ = LOG_ERR; } 1354145510Sdarrenr | IPFY_PRI_WARN { $$ = LOG_WARNING; } 1355145510Sdarrenr | IPFY_PRI_NOTICE { $$ = LOG_NOTICE; } 1356145510Sdarrenr | IPFY_PRI_INFO { $$ = LOG_INFO; } 1357145510Sdarrenr | IPFY_PRI_DEBUG { $$ = LOG_DEBUG; } 1358145510Sdarrenr ; 1359145510Sdarrenr 1360145510Sdarrenrcompare: 1361145510Sdarrenr YY_CMP_EQ { $$ = FR_EQUAL; } 1362145510Sdarrenr | YY_CMP_NE { $$ = FR_NEQUAL; } 1363145510Sdarrenr | YY_CMP_LT { $$ = FR_LESST; } 1364145510Sdarrenr | YY_CMP_LE { $$ = FR_LESSTE; } 1365145510Sdarrenr | YY_CMP_GT { $$ = FR_GREATERT; } 1366145510Sdarrenr | YY_CMP_GE { $$ = FR_GREATERTE; } 1367145510Sdarrenr ; 1368145510Sdarrenr 1369145510Sdarrenrrange: YY_RANGE_IN { $$ = FR_INRANGE; } 1370145510Sdarrenr | YY_RANGE_OUT { $$ = FR_OUTRANGE; } 1371145510Sdarrenr | ':' { $$ = FR_INCRANGE; } 1372145510Sdarrenr ; 1373145510Sdarrenr 1374145510Sdarrenrservicename: 1375145510Sdarrenr YY_STR { $$ = $1; } 1376145510Sdarrenr ; 1377145510Sdarrenr 1378145510Sdarrenrinterfacename: YY_STR { $$ = $1; } 1379145510Sdarrenr | YY_STR ':' YY_NUMBER 1380145510Sdarrenr { $$ = $1; 1381145510Sdarrenr fprintf(stderr, "%d: Logical interface %s:%d unsupported, " 1382145510Sdarrenr "use the physical interface %s instead.\n", 1383145510Sdarrenr yylineNum, $1, $3, $1); 1384145510Sdarrenr } 1385145510Sdarrenr ; 1386145510Sdarrenr 1387145510Sdarrenrname: YY_STR { $$ = $1; } 1388145510Sdarrenr ; 1389145510Sdarrenr 1390145510Sdarrenripv4_16: 1391145510Sdarrenr YY_NUMBER '.' YY_NUMBER 1392145510Sdarrenr { if ($1 > 255 || $3 > 255) { 1393145510Sdarrenr yyerror("Invalid octet string for IP address"); 1394145510Sdarrenr return 0; 1395145510Sdarrenr } 1396145510Sdarrenr $$.s_addr = ($1 << 24) | ($3 << 16); 1397145510Sdarrenr $$.s_addr = htonl($$.s_addr); 1398145510Sdarrenr } 1399145510Sdarrenr ; 1400145510Sdarrenr 1401145510Sdarrenripv4_24: 1402145510Sdarrenr ipv4_16 '.' YY_NUMBER 1403145510Sdarrenr { if ($3 > 255) { 1404145510Sdarrenr yyerror("Invalid octet string for IP address"); 1405145510Sdarrenr return 0; 1406145510Sdarrenr } 1407145510Sdarrenr $$.s_addr |= htonl($3 << 8); 1408145510Sdarrenr } 1409145510Sdarrenr ; 1410145510Sdarrenr 1411145510Sdarrenripv4: ipv4_24 '.' YY_NUMBER 1412145510Sdarrenr { if ($3 > 255) { 1413145510Sdarrenr yyerror("Invalid octet string for IP address"); 1414145510Sdarrenr return 0; 1415145510Sdarrenr } 1416145510Sdarrenr $$.s_addr |= htonl($3); 1417145510Sdarrenr } 1418145510Sdarrenr | ipv4_24 1419145510Sdarrenr | ipv4_16 1420145510Sdarrenr ; 1421145510Sdarrenr 1422145510Sdarrenr%% 1423145510Sdarrenr 1424145510Sdarrenr 1425145510Sdarrenrstatic struct wordtab ipfwords[95] = { 1426145510Sdarrenr { "age", IPFY_AGE }, 1427145510Sdarrenr { "ah", IPFY_AH }, 1428145510Sdarrenr { "all", IPFY_ALL }, 1429145510Sdarrenr { "and", IPFY_AND }, 1430145510Sdarrenr { "auth", IPFY_AUTH }, 1431145510Sdarrenr { "bad", IPFY_BAD }, 1432145510Sdarrenr { "bad-nat", IPFY_BADNAT }, 1433145510Sdarrenr { "bad-src", IPFY_BADSRC }, 1434145510Sdarrenr { "bcast", IPFY_BROADCAST }, 1435145510Sdarrenr { "block", IPFY_BLOCK }, 1436145510Sdarrenr { "body", IPFY_BODY }, 1437145510Sdarrenr { "bpf-v4", IPFY_BPFV4 }, 1438145510Sdarrenr#ifdef USE_INET6 1439145510Sdarrenr { "bpf-v6", IPFY_BPFV6 }, 1440145510Sdarrenr#endif 1441145510Sdarrenr { "call", IPFY_CALL }, 1442145510Sdarrenr { "code", IPFY_ICMPCODE }, 1443145510Sdarrenr { "count", IPFY_COUNT }, 1444145510Sdarrenr { "dup-to", IPFY_DUPTO }, 1445145510Sdarrenr { "eq", YY_CMP_EQ }, 1446145510Sdarrenr { "esp", IPFY_ESP }, 1447145510Sdarrenr { "fastroute", IPFY_FROUTE }, 1448145510Sdarrenr { "first", IPFY_FIRST }, 1449145510Sdarrenr { "flags", IPFY_FLAGS }, 1450145510Sdarrenr { "frag", IPFY_FRAG }, 1451145510Sdarrenr { "frag-body", IPFY_FRAGBODY }, 1452145510Sdarrenr { "frags", IPFY_FRAGS }, 1453145510Sdarrenr { "from", IPFY_FROM }, 1454145510Sdarrenr { "ge", YY_CMP_GE }, 1455145510Sdarrenr { "group", IPFY_GROUP }, 1456145510Sdarrenr { "gt", YY_CMP_GT }, 1457145510Sdarrenr { "head", IPFY_HEAD }, 1458145510Sdarrenr { "icmp", IPFY_ICMP }, 1459145510Sdarrenr { "icmp-type", IPFY_ICMPTYPE }, 1460145510Sdarrenr { "in", IPFY_IN }, 1461145510Sdarrenr { "in-via", IPFY_INVIA }, 1462145510Sdarrenr { "ipopt", IPFY_IPOPTS }, 1463145510Sdarrenr { "ipopts", IPFY_IPOPTS }, 1464145510Sdarrenr { "keep", IPFY_KEEP }, 1465145510Sdarrenr { "le", YY_CMP_LE }, 1466145510Sdarrenr { "level", IPFY_LEVEL }, 1467145510Sdarrenr { "limit", IPFY_LIMIT }, 1468145510Sdarrenr { "log", IPFY_LOG }, 1469145510Sdarrenr { "lowttl", IPFY_LOWTTL }, 1470145510Sdarrenr { "lt", YY_CMP_LT }, 1471145510Sdarrenr { "mask", IPFY_MASK }, 1472145510Sdarrenr { "match-tag", IPFY_MATCHTAG }, 1473145510Sdarrenr { "mbcast", IPFY_MBCAST }, 1474153881Sguido { "mcast", IPFY_MULTICAST }, 1475145510Sdarrenr { "multicast", IPFY_MULTICAST }, 1476145510Sdarrenr { "nat", IPFY_NAT }, 1477145510Sdarrenr { "ne", YY_CMP_NE }, 1478145510Sdarrenr { "net", IPFY_NETWORK }, 1479145510Sdarrenr { "newisn", IPFY_NEWISN }, 1480145510Sdarrenr { "no", IPFY_NO }, 1481145510Sdarrenr { "no-icmp-err", IPFY_NOICMPERR }, 1482161357Sguido { "nomatch", IPFY_NOMATCH }, 1483145510Sdarrenr { "now", IPFY_NOW }, 1484145510Sdarrenr { "not", IPFY_NOT }, 1485145510Sdarrenr { "oow", IPFY_OOW }, 1486145510Sdarrenr { "on", IPFY_ON }, 1487145510Sdarrenr { "opt", IPFY_OPT }, 1488145510Sdarrenr { "or-block", IPFY_ORBLOCK }, 1489145510Sdarrenr { "out", IPFY_OUT }, 1490145510Sdarrenr { "out-via", IPFY_OUTVIA }, 1491145510Sdarrenr { "pass", IPFY_PASS }, 1492145510Sdarrenr { "port", IPFY_PORT }, 1493145510Sdarrenr { "pps", IPFY_PPS }, 1494145510Sdarrenr { "preauth", IPFY_PREAUTH }, 1495145510Sdarrenr { "proto", IPFY_PROTO }, 1496145510Sdarrenr { "quick", IPFY_QUICK }, 1497145510Sdarrenr { "reply-to", IPFY_REPLY_TO }, 1498145510Sdarrenr { "return-icmp", IPFY_RETICMP }, 1499145510Sdarrenr { "return-icmp-as-dest", IPFY_RETICMPASDST }, 1500145510Sdarrenr { "return-rst", IPFY_RETRST }, 1501145510Sdarrenr { "route-to", IPFY_ROUTETO }, 1502145510Sdarrenr { "sec-class", IPFY_SECCLASS }, 1503145510Sdarrenr { "set-tag", IPFY_SETTAG }, 1504145510Sdarrenr { "skip", IPFY_SKIP }, 1505145510Sdarrenr { "short", IPFY_SHORT }, 1506145510Sdarrenr { "state", IPFY_STATE }, 1507145510Sdarrenr { "state-age", IPFY_AGE }, 1508145510Sdarrenr { "strict", IPFY_STRICT }, 1509145510Sdarrenr { "sync", IPFY_SYNC }, 1510145510Sdarrenr { "tcp", IPFY_TCP }, 1511145510Sdarrenr { "tcp-udp", IPFY_TCPUDP }, 1512145510Sdarrenr { "tos", IPFY_TOS }, 1513145510Sdarrenr { "to", IPFY_TO }, 1514145510Sdarrenr { "ttl", IPFY_TTL }, 1515145510Sdarrenr { "udp", IPFY_UDP }, 1516145510Sdarrenr { "v6hdrs", IPF6_V6HDRS }, 1517145510Sdarrenr { "with", IPFY_WITH }, 1518145510Sdarrenr { NULL, 0 } 1519145510Sdarrenr}; 1520145510Sdarrenr 1521145510Sdarrenrstatic struct wordtab addrwords[4] = { 1522145510Sdarrenr { "any", IPFY_ANY }, 1523145510Sdarrenr { "hash", IPFY_HASH }, 1524145510Sdarrenr { "pool", IPFY_POOL }, 1525145510Sdarrenr { NULL, 0 } 1526145510Sdarrenr}; 1527145510Sdarrenr 1528145510Sdarrenrstatic struct wordtab maskwords[5] = { 1529145510Sdarrenr { "broadcast", IPFY_BROADCAST }, 1530145510Sdarrenr { "netmasked", IPFY_NETMASKED }, 1531145510Sdarrenr { "network", IPFY_NETWORK }, 1532145510Sdarrenr { "peer", IPFY_PEER }, 1533145510Sdarrenr { NULL, 0 } 1534145510Sdarrenr}; 1535145510Sdarrenr 1536145510Sdarrenrstatic struct wordtab icmptypewords[16] = { 1537145510Sdarrenr { "echo", IPFY_ICMPT_ECHO }, 1538145510Sdarrenr { "echorep", IPFY_ICMPT_ECHOR }, 1539145510Sdarrenr { "inforeq", IPFY_ICMPT_INFOREQ }, 1540145510Sdarrenr { "inforep", IPFY_ICMPT_INFOREP }, 1541145510Sdarrenr { "maskrep", IPFY_ICMPT_MASKREP }, 1542145510Sdarrenr { "maskreq", IPFY_ICMPT_MASKREQ }, 1543145510Sdarrenr { "paramprob", IPFY_ICMPT_PARAMP }, 1544145510Sdarrenr { "redir", IPFY_ICMPT_REDIR }, 1545145510Sdarrenr { "unreach", IPFY_ICMPT_UNR }, 1546145510Sdarrenr { "routerad", IPFY_ICMPT_ROUTERAD }, 1547145510Sdarrenr { "routersol", IPFY_ICMPT_ROUTERSOL }, 1548145510Sdarrenr { "squench", IPFY_ICMPT_SQUENCH }, 1549145510Sdarrenr { "timest", IPFY_ICMPT_TIMEST }, 1550145510Sdarrenr { "timestrep", IPFY_ICMPT_TIMESTREP }, 1551145510Sdarrenr { "timex", IPFY_ICMPT_TIMEX }, 1552145510Sdarrenr { NULL, 0 }, 1553145510Sdarrenr}; 1554145510Sdarrenr 1555145510Sdarrenrstatic struct wordtab icmpcodewords[17] = { 1556145510Sdarrenr { "cutoff-preced", IPFY_ICMPC_CUTPRE }, 1557145510Sdarrenr { "filter-prohib", IPFY_ICMPC_FLTPRO }, 1558145510Sdarrenr { "isolate", IPFY_ICMPC_ISOLATE }, 1559145510Sdarrenr { "needfrag", IPFY_ICMPC_NEEDF }, 1560145510Sdarrenr { "net-prohib", IPFY_ICMPC_NETPRO }, 1561145510Sdarrenr { "net-tos", IPFY_ICMPC_NETTOS }, 1562145510Sdarrenr { "host-preced", IPFY_ICMPC_HSTPRE }, 1563145510Sdarrenr { "host-prohib", IPFY_ICMPC_HSTPRO }, 1564145510Sdarrenr { "host-tos", IPFY_ICMPC_HSTTOS }, 1565145510Sdarrenr { "host-unk", IPFY_ICMPC_HSTUNK }, 1566145510Sdarrenr { "host-unr", IPFY_ICMPC_HSTUNR }, 1567145510Sdarrenr { "net-unk", IPFY_ICMPC_NETUNK }, 1568145510Sdarrenr { "net-unr", IPFY_ICMPC_NETUNR }, 1569145510Sdarrenr { "port-unr", IPFY_ICMPC_PORUNR }, 1570145510Sdarrenr { "proto-unr", IPFY_ICMPC_PROUNR }, 1571145510Sdarrenr { "srcfail", IPFY_ICMPC_SRCFAIL }, 1572145510Sdarrenr { NULL, 0 }, 1573145510Sdarrenr}; 1574145510Sdarrenr 1575145510Sdarrenrstatic struct wordtab ipv4optwords[25] = { 1576145510Sdarrenr { "addext", IPFY_IPOPT_ADDEXT }, 1577145510Sdarrenr { "cipso", IPFY_IPOPT_CIPSO }, 1578145510Sdarrenr { "dps", IPFY_IPOPT_DPS }, 1579145510Sdarrenr { "e-sec", IPFY_IPOPT_ESEC }, 1580145510Sdarrenr { "eip", IPFY_IPOPT_EIP }, 1581145510Sdarrenr { "encode", IPFY_IPOPT_ENCODE }, 1582145510Sdarrenr { "finn", IPFY_IPOPT_FINN }, 1583145510Sdarrenr { "imitd", IPFY_IPOPT_IMITD }, 1584145510Sdarrenr { "lsrr", IPFY_IPOPT_LSRR }, 1585145510Sdarrenr { "mtup", IPFY_IPOPT_MTUP }, 1586145510Sdarrenr { "mtur", IPFY_IPOPT_MTUR }, 1587145510Sdarrenr { "nop", IPFY_IPOPT_NOP }, 1588145510Sdarrenr { "nsapa", IPFY_IPOPT_NSAPA }, 1589145510Sdarrenr { "rr", IPFY_IPOPT_RR }, 1590145510Sdarrenr { "rtralrt", IPFY_IPOPT_RTRALRT }, 1591145510Sdarrenr { "satid", IPFY_IPOPT_SATID }, 1592145510Sdarrenr { "sdb", IPFY_IPOPT_SDB }, 1593145510Sdarrenr { "sec", IPFY_IPOPT_SEC }, 1594145510Sdarrenr { "ssrr", IPFY_IPOPT_SSRR }, 1595145510Sdarrenr { "tr", IPFY_IPOPT_TR }, 1596145510Sdarrenr { "ts", IPFY_IPOPT_TS }, 1597145510Sdarrenr { "ump", IPFY_IPOPT_UMP }, 1598145510Sdarrenr { "visa", IPFY_IPOPT_VISA }, 1599145510Sdarrenr { "zsu", IPFY_IPOPT_ZSU }, 1600145510Sdarrenr { NULL, 0 }, 1601145510Sdarrenr}; 1602145510Sdarrenr 1603145510Sdarrenrstatic struct wordtab ipv4secwords[9] = { 1604145510Sdarrenr { "confid", IPFY_SEC_CONF }, 1605145510Sdarrenr { "reserv-1", IPFY_SEC_RSV1 }, 1606145510Sdarrenr { "reserv-2", IPFY_SEC_RSV2 }, 1607145510Sdarrenr { "reserv-3", IPFY_SEC_RSV3 }, 1608145510Sdarrenr { "reserv-4", IPFY_SEC_RSV4 }, 1609145510Sdarrenr { "secret", IPFY_SEC_SEC }, 1610145510Sdarrenr { "topsecret", IPFY_SEC_TS }, 1611145510Sdarrenr { "unclass", IPFY_SEC_UNC }, 1612145510Sdarrenr { NULL, 0 }, 1613145510Sdarrenr}; 1614145510Sdarrenr 1615153881Sguidostatic struct wordtab ipv6optwords[9] = { 1616145510Sdarrenr { "dstopts", IPFY_IPV6OPT_DSTOPTS }, 1617153881Sguido { "esp", IPFY_IPV6OPT_ESP }, 1618153881Sguido { "frag", IPFY_IPV6OPT_FRAG }, 1619145510Sdarrenr { "hopopts", IPFY_IPV6OPT_HOPOPTS }, 1620145510Sdarrenr { "ipv6", IPFY_IPV6OPT_IPV6 }, 1621153881Sguido { "mobility", IPFY_IPV6OPT_MOBILITY }, 1622145510Sdarrenr { "none", IPFY_IPV6OPT_NONE }, 1623145510Sdarrenr { "routing", IPFY_IPV6OPT_ROUTING }, 1624145510Sdarrenr { NULL, 0 }, 1625145510Sdarrenr}; 1626145510Sdarrenr 1627145510Sdarrenrstatic struct wordtab logwords[33] = { 1628145510Sdarrenr { "kern", IPFY_FAC_KERN }, 1629145510Sdarrenr { "user", IPFY_FAC_USER }, 1630145510Sdarrenr { "mail", IPFY_FAC_MAIL }, 1631145510Sdarrenr { "daemon", IPFY_FAC_DAEMON }, 1632145510Sdarrenr { "auth", IPFY_FAC_AUTH }, 1633145510Sdarrenr { "syslog", IPFY_FAC_SYSLOG }, 1634145510Sdarrenr { "lpr", IPFY_FAC_LPR }, 1635145510Sdarrenr { "news", IPFY_FAC_NEWS }, 1636145510Sdarrenr { "uucp", IPFY_FAC_UUCP }, 1637145510Sdarrenr { "cron", IPFY_FAC_CRON }, 1638145510Sdarrenr { "ftp", IPFY_FAC_FTP }, 1639145510Sdarrenr { "authpriv", IPFY_FAC_AUTHPRIV }, 1640145510Sdarrenr { "audit", IPFY_FAC_AUDIT }, 1641145510Sdarrenr { "logalert", IPFY_FAC_LFMT }, 1642145510Sdarrenr { "console", IPFY_FAC_CONSOLE }, 1643145510Sdarrenr { "security", IPFY_FAC_SECURITY }, 1644145510Sdarrenr { "local0", IPFY_FAC_LOCAL0 }, 1645145510Sdarrenr { "local1", IPFY_FAC_LOCAL1 }, 1646145510Sdarrenr { "local2", IPFY_FAC_LOCAL2 }, 1647145510Sdarrenr { "local3", IPFY_FAC_LOCAL3 }, 1648145510Sdarrenr { "local4", IPFY_FAC_LOCAL4 }, 1649145510Sdarrenr { "local5", IPFY_FAC_LOCAL5 }, 1650145510Sdarrenr { "local6", IPFY_FAC_LOCAL6 }, 1651145510Sdarrenr { "local7", IPFY_FAC_LOCAL7 }, 1652145510Sdarrenr { "emerg", IPFY_PRI_EMERG }, 1653145510Sdarrenr { "alert", IPFY_PRI_ALERT }, 1654145510Sdarrenr { "crit", IPFY_PRI_CRIT }, 1655145510Sdarrenr { "err", IPFY_PRI_ERR }, 1656145510Sdarrenr { "warn", IPFY_PRI_WARN }, 1657145510Sdarrenr { "notice", IPFY_PRI_NOTICE }, 1658145510Sdarrenr { "info", IPFY_PRI_INFO }, 1659145510Sdarrenr { "debug", IPFY_PRI_DEBUG }, 1660145510Sdarrenr { NULL, 0 }, 1661145510Sdarrenr}; 1662145510Sdarrenr 1663145510Sdarrenr 1664145510Sdarrenr 1665145510Sdarrenr 1666145510Sdarrenrint ipf_parsefile(fd, addfunc, iocfuncs, filename) 1667145510Sdarrenrint fd; 1668145510Sdarrenraddfunc_t addfunc; 1669145510Sdarrenrioctlfunc_t *iocfuncs; 1670145510Sdarrenrchar *filename; 1671145510Sdarrenr{ 1672145510Sdarrenr FILE *fp = NULL; 1673145510Sdarrenr char *s; 1674145510Sdarrenr 1675145510Sdarrenr yylineNum = 1; 1676145510Sdarrenr yysettab(ipfwords); 1677145510Sdarrenr 1678145510Sdarrenr s = getenv("YYDEBUG"); 1679145510Sdarrenr if (s != NULL) 1680145510Sdarrenr yydebug = atoi(s); 1681145510Sdarrenr else 1682145510Sdarrenr yydebug = 0; 1683145510Sdarrenr 1684145510Sdarrenr if (strcmp(filename, "-")) { 1685145510Sdarrenr fp = fopen(filename, "r"); 1686145510Sdarrenr if (fp == NULL) { 1687145510Sdarrenr fprintf(stderr, "fopen(%s) failed: %s\n", filename, 1688145510Sdarrenr STRERROR(errno)); 1689145510Sdarrenr return -1; 1690145510Sdarrenr } 1691145510Sdarrenr } else 1692145510Sdarrenr fp = stdin; 1693145510Sdarrenr 1694145510Sdarrenr while (ipf_parsesome(fd, addfunc, iocfuncs, fp) == 1) 1695145510Sdarrenr ; 1696145510Sdarrenr if (fp != NULL) 1697145510Sdarrenr fclose(fp); 1698145510Sdarrenr return 0; 1699145510Sdarrenr} 1700145510Sdarrenr 1701145510Sdarrenr 1702145510Sdarrenrint ipf_parsesome(fd, addfunc, iocfuncs, fp) 1703145510Sdarrenrint fd; 1704145510Sdarrenraddfunc_t addfunc; 1705145510Sdarrenrioctlfunc_t *iocfuncs; 1706145510SdarrenrFILE *fp; 1707145510Sdarrenr{ 1708145510Sdarrenr char *s; 1709145510Sdarrenr int i; 1710145510Sdarrenr 1711145510Sdarrenr ipffd = fd; 1712145510Sdarrenr for (i = 0; i <= IPL_LOGMAX; i++) 1713145510Sdarrenr ipfioctl[i] = iocfuncs[i]; 1714145510Sdarrenr ipfaddfunc = addfunc; 1715145510Sdarrenr 1716145510Sdarrenr if (feof(fp)) 1717145510Sdarrenr return 0; 1718145510Sdarrenr i = fgetc(fp); 1719145510Sdarrenr if (i == EOF) 1720145510Sdarrenr return 0; 1721145510Sdarrenr if (ungetc(i, fp) == 0) 1722145510Sdarrenr return 0; 1723145510Sdarrenr if (feof(fp)) 1724145510Sdarrenr return 0; 1725145510Sdarrenr s = getenv("YYDEBUG"); 1726145510Sdarrenr if (s != NULL) 1727145510Sdarrenr yydebug = atoi(s); 1728145510Sdarrenr else 1729145510Sdarrenr yydebug = 0; 1730145510Sdarrenr 1731145510Sdarrenr yyin = fp; 1732145510Sdarrenr yyparse(); 1733145510Sdarrenr return 1; 1734145510Sdarrenr} 1735145510Sdarrenr 1736145510Sdarrenr 1737145510Sdarrenrstatic void newrule() 1738145510Sdarrenr{ 1739145510Sdarrenr frentry_t *frn; 1740145510Sdarrenr 1741145510Sdarrenr frn = (frentry_t *)calloc(1, sizeof(frentry_t)); 1742145510Sdarrenr for (fr = frtop; fr != NULL && fr->fr_next != NULL; fr = fr->fr_next) 1743145510Sdarrenr ; 1744145510Sdarrenr if (fr != NULL) 1745145510Sdarrenr fr->fr_next = frn; 1746145510Sdarrenr if (frtop == NULL) 1747145510Sdarrenr frtop = frn; 1748145510Sdarrenr fr = frn; 1749145510Sdarrenr frc = frn; 1750145510Sdarrenr fr->fr_loglevel = 0xffff; 1751145510Sdarrenr fr->fr_isc = (void *)-1; 1752145510Sdarrenr fr->fr_logtag = FR_NOLOGTAG; 1753145510Sdarrenr fr->fr_type = FR_T_NONE; 1754145510Sdarrenr if (use_inet6 != 0) 1755145510Sdarrenr fr->fr_v = 6; 1756145510Sdarrenr else 1757145510Sdarrenr fr->fr_v = 4; 1758145510Sdarrenr 1759145510Sdarrenr nrules = 1; 1760145510Sdarrenr} 1761145510Sdarrenr 1762145510Sdarrenr 1763145510Sdarrenrstatic void setipftype() 1764145510Sdarrenr{ 1765145510Sdarrenr for (fr = frc; fr != NULL; fr = fr->fr_next) { 1766145510Sdarrenr if (fr->fr_type == FR_T_NONE) { 1767145510Sdarrenr fr->fr_type = FR_T_IPF; 1768145510Sdarrenr fr->fr_data = (void *)calloc(sizeof(fripf_t), 1); 1769145510Sdarrenr fr->fr_dsize = sizeof(fripf_t); 1770145510Sdarrenr fr->fr_ip.fi_v = frc->fr_v; 1771145510Sdarrenr fr->fr_mip.fi_v = 0xf; 1772145510Sdarrenr fr->fr_ipf->fri_sifpidx = -1; 1773145510Sdarrenr fr->fr_ipf->fri_difpidx = -1; 1774145510Sdarrenr } 1775145510Sdarrenr if (fr->fr_type != FR_T_IPF) { 1776145510Sdarrenr fprintf(stderr, "IPF Type not set\n"); 1777145510Sdarrenr } 1778145510Sdarrenr } 1779145510Sdarrenr} 1780145510Sdarrenr 1781145510Sdarrenr 1782145510Sdarrenrstatic frentry_t *addrule() 1783145510Sdarrenr{ 1784145510Sdarrenr frentry_t *f, *f1, *f2; 1785145510Sdarrenr int count; 1786145510Sdarrenr 1787145510Sdarrenr for (f2 = frc; f2->fr_next != NULL; f2 = f2->fr_next) 1788145510Sdarrenr ; 1789145510Sdarrenr 1790145510Sdarrenr count = nrules; 1791145510Sdarrenr f = f2; 1792145510Sdarrenr for (f1 = frc; count > 0; count--, f1 = f1->fr_next) { 1793145510Sdarrenr f->fr_next = (frentry_t *)calloc(sizeof(*f), 1); 1794145510Sdarrenr added++; 1795145510Sdarrenr f = f->fr_next; 1796145510Sdarrenr bcopy(f1, f, sizeof(*f)); 1797145510Sdarrenr f->fr_next = NULL; 1798145510Sdarrenr if (f->fr_caddr != NULL) { 1799145510Sdarrenr f->fr_caddr = malloc(f->fr_dsize); 1800145510Sdarrenr bcopy(f1->fr_caddr, f->fr_caddr, f->fr_dsize); 1801145510Sdarrenr } 1802145510Sdarrenr } 1803145510Sdarrenr 1804145510Sdarrenr return f2->fr_next; 1805145510Sdarrenr} 1806145510Sdarrenr 1807145510Sdarrenr 1808145510Sdarrenrstatic u_32_t lookuphost(name) 1809145510Sdarrenrchar *name; 1810145510Sdarrenr{ 1811145510Sdarrenr u_32_t addr; 1812145510Sdarrenr int i; 1813145510Sdarrenr 1814145510Sdarrenr hashed = 0; 1815145510Sdarrenr pooled = 0; 1816145510Sdarrenr dynamic = -1; 1817145510Sdarrenr 1818145510Sdarrenr for (i = 0; i < 4; i++) { 1819145510Sdarrenr if (strncmp(name, frc->fr_ifnames[i], 1820145510Sdarrenr sizeof(frc->fr_ifnames[i])) == 0) { 1821145510Sdarrenr ifpflag = FRI_DYNAMIC; 1822145510Sdarrenr dynamic = i; 1823145510Sdarrenr return 0; 1824145510Sdarrenr } 1825145510Sdarrenr } 1826145510Sdarrenr 1827145510Sdarrenr if (gethost(name, &addr) == -1) { 1828145510Sdarrenr fprintf(stderr, "unknown name \"%s\"\n", name); 1829145510Sdarrenr return 0; 1830145510Sdarrenr } 1831145510Sdarrenr return addr; 1832145510Sdarrenr} 1833145510Sdarrenr 1834145510Sdarrenr 1835145510Sdarrenrstatic void dobpf(v, phrase) 1836145510Sdarrenrint v; 1837145510Sdarrenrchar *phrase; 1838145510Sdarrenr{ 1839145510Sdarrenr#ifdef IPFILTER_BPF 1840145510Sdarrenr struct bpf_program bpf; 1841145510Sdarrenr struct pcap *p; 1842145510Sdarrenr#endif 1843145510Sdarrenr fakebpf_t *fb; 1844145510Sdarrenr u_32_t l; 1845145510Sdarrenr char *s; 1846145510Sdarrenr int i; 1847145510Sdarrenr 1848145510Sdarrenr for (fr = frc; fr != NULL; fr = fr->fr_next) { 1849145510Sdarrenr if (fr->fr_type != FR_T_NONE) { 1850145510Sdarrenr fprintf(stderr, "cannot mix IPF and BPF matching\n"); 1851145510Sdarrenr return; 1852145510Sdarrenr } 1853145510Sdarrenr fr->fr_v = v; 1854145510Sdarrenr fr->fr_type = FR_T_BPFOPC; 1855145510Sdarrenr 1856153881Sguido if (!strncmp(phrase, "0x", 2)) { 1857145510Sdarrenr fb = malloc(sizeof(fakebpf_t)); 1858145510Sdarrenr 1859145510Sdarrenr for (i = 0, s = strtok(phrase, " \r\n\t"); s != NULL; 1860145510Sdarrenr s = strtok(NULL, " \r\n\t"), i++) { 1861145510Sdarrenr fb = realloc(fb, (i / 4 + 1) * sizeof(*fb)); 1862145510Sdarrenr l = (u_32_t)strtol(s, NULL, 0); 1863145510Sdarrenr switch (i & 3) 1864145510Sdarrenr { 1865145510Sdarrenr case 0 : 1866145510Sdarrenr fb[i / 4].fb_c = l & 0xffff; 1867145510Sdarrenr break; 1868145510Sdarrenr case 1 : 1869145510Sdarrenr fb[i / 4].fb_t = l & 0xff; 1870145510Sdarrenr break; 1871145510Sdarrenr case 2 : 1872145510Sdarrenr fb[i / 4].fb_f = l & 0xff; 1873145510Sdarrenr break; 1874145510Sdarrenr case 3 : 1875145510Sdarrenr fb[i / 4].fb_k = l; 1876145510Sdarrenr break; 1877145510Sdarrenr } 1878145510Sdarrenr } 1879145510Sdarrenr if ((i & 3) != 0) { 1880145510Sdarrenr fprintf(stderr, 1881145510Sdarrenr "Odd number of bytes in BPF code\n"); 1882145510Sdarrenr exit(1); 1883145510Sdarrenr } 1884145510Sdarrenr i--; 1885145510Sdarrenr fr->fr_dsize = (i / 4 + 1) * sizeof(*fb); 1886145510Sdarrenr fr->fr_data = fb; 1887145510Sdarrenr return; 1888145510Sdarrenr } 1889145510Sdarrenr 1890145510Sdarrenr#ifdef IPFILTER_BPF 1891145510Sdarrenr bzero((char *)&bpf, sizeof(bpf)); 1892145510Sdarrenr p = pcap_open_dead(DLT_RAW, 1); 1893145510Sdarrenr if (!p) { 1894145510Sdarrenr fprintf(stderr, "pcap_open_dead failed\n"); 1895145510Sdarrenr return; 1896145510Sdarrenr } 1897145510Sdarrenr 1898145510Sdarrenr if (pcap_compile(p, &bpf, phrase, 1, 0xffffffff)) { 1899145510Sdarrenr pcap_perror(p, "ipf"); 1900145510Sdarrenr pcap_close(p); 1901145510Sdarrenr fprintf(stderr, "pcap parsing failed (%s)\n", phrase); 1902145510Sdarrenr return; 1903145510Sdarrenr } 1904145510Sdarrenr pcap_close(p); 1905145510Sdarrenr 1906145510Sdarrenr fr->fr_dsize = bpf.bf_len * sizeof(struct bpf_insn); 1907145510Sdarrenr fr->fr_data = malloc(fr->fr_dsize); 1908145510Sdarrenr bcopy((char *)bpf.bf_insns, fr->fr_data, fr->fr_dsize); 1909145510Sdarrenr if (!bpf_validate(fr->fr_data, bpf.bf_len)) { 1910145510Sdarrenr fprintf(stderr, "BPF validation failed\n"); 1911145510Sdarrenr return; 1912145510Sdarrenr } 1913145510Sdarrenr#endif 1914145510Sdarrenr } 1915145510Sdarrenr 1916145510Sdarrenr#ifdef IPFILTER_BPF 1917145510Sdarrenr if (opts & OPT_DEBUG) 1918145510Sdarrenr bpf_dump(&bpf, 0); 1919145510Sdarrenr#else 1920145510Sdarrenr fprintf(stderr, "BPF filter expressions not supported\n"); 1921145510Sdarrenr exit(1); 1922145510Sdarrenr#endif 1923145510Sdarrenr} 1924145510Sdarrenr 1925145510Sdarrenr 1926145510Sdarrenrstatic void resetaddr() 1927145510Sdarrenr{ 1928145510Sdarrenr hashed = 0; 1929145510Sdarrenr pooled = 0; 1930145510Sdarrenr dynamic = -1; 1931145510Sdarrenr} 1932145510Sdarrenr 1933145510Sdarrenr 1934145510Sdarrenrstatic alist_t *newalist(ptr) 1935145510Sdarrenralist_t *ptr; 1936145510Sdarrenr{ 1937145510Sdarrenr alist_t *al; 1938145510Sdarrenr 1939145510Sdarrenr al = malloc(sizeof(*al)); 1940145510Sdarrenr if (al == NULL) 1941145510Sdarrenr return NULL; 1942145510Sdarrenr al->al_not = 0; 1943145510Sdarrenr al->al_next = ptr; 1944145510Sdarrenr return al; 1945145510Sdarrenr} 1946145510Sdarrenr 1947145510Sdarrenr 1948145510Sdarrenrstatic int makepool(list) 1949145510Sdarrenralist_t *list; 1950145510Sdarrenr{ 1951145510Sdarrenr ip_pool_node_t *n, *top; 1952145510Sdarrenr ip_pool_t pool; 1953145510Sdarrenr alist_t *a; 1954145510Sdarrenr int num; 1955145510Sdarrenr 1956145510Sdarrenr if (list == NULL) 1957145510Sdarrenr return 0; 1958145510Sdarrenr top = calloc(1, sizeof(*top)); 1959145510Sdarrenr if (top == NULL) 1960145510Sdarrenr return 0; 1961145510Sdarrenr 1962145510Sdarrenr for (n = top, a = list; (n != NULL) && (a != NULL); a = a->al_next) { 1963145510Sdarrenr n->ipn_addr.adf_addr.in4.s_addr = a->al_1; 1964145510Sdarrenr n->ipn_mask.adf_addr.in4.s_addr = a->al_2; 1965145510Sdarrenr n->ipn_info = a->al_not; 1966145510Sdarrenr if (a->al_next != NULL) { 1967145510Sdarrenr n->ipn_next = calloc(1, sizeof(*n)); 1968145510Sdarrenr n = n->ipn_next; 1969145510Sdarrenr } 1970145510Sdarrenr } 1971145510Sdarrenr 1972145510Sdarrenr bzero((char *)&pool, sizeof(pool)); 1973145510Sdarrenr pool.ipo_unit = IPL_LOGIPF; 1974145510Sdarrenr pool.ipo_list = top; 1975145510Sdarrenr num = load_pool(&pool, ipfioctl[IPL_LOGLOOKUP]); 1976145510Sdarrenr 1977145510Sdarrenr while ((n = top) != NULL) { 1978145510Sdarrenr top = n->ipn_next; 1979145510Sdarrenr free(n); 1980145510Sdarrenr } 1981145510Sdarrenr return num; 1982145510Sdarrenr} 1983145510Sdarrenr 1984145510Sdarrenr 1985145510Sdarrenrstatic u_int makehash(list) 1986145510Sdarrenralist_t *list; 1987145510Sdarrenr{ 1988145510Sdarrenr iphtent_t *n, *top; 1989145510Sdarrenr iphtable_t iph; 1990145510Sdarrenr alist_t *a; 1991145510Sdarrenr int num; 1992145510Sdarrenr 1993145510Sdarrenr if (list == NULL) 1994145510Sdarrenr return 0; 1995145510Sdarrenr top = calloc(1, sizeof(*top)); 1996145510Sdarrenr if (top == NULL) 1997145510Sdarrenr return 0; 1998145510Sdarrenr 1999145510Sdarrenr for (n = top, a = list; (n != NULL) && (a != NULL); a = a->al_next) { 2000145510Sdarrenr n->ipe_addr.in4_addr = a->al_1; 2001145510Sdarrenr n->ipe_mask.in4_addr = a->al_2; 2002145510Sdarrenr n->ipe_value = 0; 2003145510Sdarrenr if (a->al_next != NULL) { 2004145510Sdarrenr n->ipe_next = calloc(1, sizeof(*n)); 2005145510Sdarrenr n = n->ipe_next; 2006145510Sdarrenr } 2007145510Sdarrenr } 2008145510Sdarrenr 2009145510Sdarrenr bzero((char *)&iph, sizeof(iph)); 2010145510Sdarrenr iph.iph_unit = IPL_LOGIPF; 2011145510Sdarrenr iph.iph_type = IPHASH_LOOKUP; 2012145510Sdarrenr *iph.iph_name = '\0'; 2013145510Sdarrenr 2014145510Sdarrenr if (load_hash(&iph, top, ipfioctl[IPL_LOGLOOKUP]) == 0) 2015145510Sdarrenr sscanf(iph.iph_name, "%u", &num); 2016145510Sdarrenr else 2017145510Sdarrenr num = 0; 2018145510Sdarrenr 2019145510Sdarrenr while ((n = top) != NULL) { 2020145510Sdarrenr top = n->ipe_next; 2021145510Sdarrenr free(n); 2022145510Sdarrenr } 2023145510Sdarrenr return num; 2024145510Sdarrenr} 2025145510Sdarrenr 2026145510Sdarrenr 2027145510Sdarrenrvoid ipf_addrule(fd, ioctlfunc, ptr) 2028145510Sdarrenrint fd; 2029145510Sdarrenrioctlfunc_t ioctlfunc; 2030145510Sdarrenrvoid *ptr; 2031145510Sdarrenr{ 2032145510Sdarrenr ioctlcmd_t add, del; 2033145510Sdarrenr frentry_t *fr; 2034145510Sdarrenr ipfobj_t obj; 2035145510Sdarrenr 2036145510Sdarrenr fr = ptr; 2037145510Sdarrenr add = 0; 2038145510Sdarrenr del = 0; 2039145510Sdarrenr 2040145510Sdarrenr bzero((char *)&obj, sizeof(obj)); 2041145510Sdarrenr obj.ipfo_rev = IPFILTER_VERSION; 2042145510Sdarrenr obj.ipfo_size = sizeof(*fr); 2043145510Sdarrenr obj.ipfo_type = IPFOBJ_FRENTRY; 2044145510Sdarrenr obj.ipfo_ptr = ptr; 2045145510Sdarrenr 2046145510Sdarrenr if ((opts & OPT_DONOTHING) != 0) 2047145510Sdarrenr fd = -1; 2048145510Sdarrenr 2049145510Sdarrenr if (opts & OPT_ZERORULEST) { 2050145510Sdarrenr add = SIOCZRLST; 2051145510Sdarrenr } else if (opts & OPT_INACTIVE) { 2052145510Sdarrenr add = (u_int)fr->fr_hits ? SIOCINIFR : 2053145510Sdarrenr SIOCADIFR; 2054145510Sdarrenr del = SIOCRMIFR; 2055145510Sdarrenr } else { 2056145510Sdarrenr add = (u_int)fr->fr_hits ? SIOCINAFR : 2057145510Sdarrenr SIOCADAFR; 2058145510Sdarrenr del = SIOCRMAFR; 2059145510Sdarrenr } 2060145510Sdarrenr 2061161357Sguido if ((opts & OPT_OUTQUE) != 0) 2062145510Sdarrenr fr->fr_flags |= FR_OUTQUE; 2063145510Sdarrenr if (fr->fr_hits) 2064145510Sdarrenr fr->fr_hits--; 2065145510Sdarrenr if (fr && (opts & OPT_VERBOSE)) 2066145510Sdarrenr printfr(fr, ioctlfunc); 2067145510Sdarrenr 2068145510Sdarrenr if (opts & OPT_DEBUG) { 2069145510Sdarrenr binprint(fr, sizeof(*fr)); 2070145510Sdarrenr if (fr->fr_data != NULL) 2071145510Sdarrenr binprint(fr->fr_data, fr->fr_dsize); 2072145510Sdarrenr } 2073145510Sdarrenr 2074145510Sdarrenr if ((opts & OPT_ZERORULEST) != 0) { 2075145510Sdarrenr if ((*ioctlfunc)(fd, add, (void *)&obj) == -1) { 2076145510Sdarrenr if ((opts & OPT_DONOTHING) == 0) { 2077145510Sdarrenr fprintf(stderr, "%d:", yylineNum); 2078145510Sdarrenr perror("ioctl(SIOCZRLST)"); 2079145510Sdarrenr } 2080145510Sdarrenr } else { 2081145510Sdarrenr#ifdef USE_QUAD_T 2082145510Sdarrenr printf("hits %qd bytes %qd ", 2083145510Sdarrenr (long long)fr->fr_hits, 2084145510Sdarrenr (long long)fr->fr_bytes); 2085145510Sdarrenr#else 2086145510Sdarrenr printf("hits %ld bytes %ld ", 2087145510Sdarrenr fr->fr_hits, fr->fr_bytes); 2088145510Sdarrenr#endif 2089145510Sdarrenr printfr(fr, ioctlfunc); 2090145510Sdarrenr } 2091145510Sdarrenr } else if ((opts & OPT_REMOVE) != 0) { 2092145510Sdarrenr if ((*ioctlfunc)(fd, del, (void *)&obj) == -1) { 2093145510Sdarrenr if ((opts & OPT_DONOTHING) != 0) { 2094145510Sdarrenr fprintf(stderr, "%d:", yylineNum); 2095145510Sdarrenr perror("ioctl(delete rule)"); 2096145510Sdarrenr } 2097145510Sdarrenr } 2098145510Sdarrenr } else { 2099145510Sdarrenr if ((*ioctlfunc)(fd, add, (void *)&obj) == -1) { 2100145510Sdarrenr if (!(opts & OPT_DONOTHING)) { 2101145510Sdarrenr fprintf(stderr, "%d:", yylineNum); 2102145510Sdarrenr perror("ioctl(add/insert rule)"); 2103145510Sdarrenr } 2104145510Sdarrenr } 2105145510Sdarrenr } 2106145510Sdarrenr} 2107145510Sdarrenr 2108145510Sdarrenrstatic void setsyslog() 2109145510Sdarrenr{ 2110145510Sdarrenr yysetdict(logwords); 2111145510Sdarrenr yybreakondot = 1; 2112145510Sdarrenr} 2113145510Sdarrenr 2114145510Sdarrenr 2115145510Sdarrenrstatic void unsetsyslog() 2116145510Sdarrenr{ 2117145510Sdarrenr yyresetdict(); 2118145510Sdarrenr yybreakondot = 0; 2119145510Sdarrenr} 2120145510Sdarrenr 2121145510Sdarrenr 2122145510Sdarrenrstatic void fillgroup(fr) 2123145510Sdarrenrfrentry_t *fr; 2124145510Sdarrenr{ 2125145510Sdarrenr frentry_t *f; 2126145510Sdarrenr 2127145510Sdarrenr for (f = frold; f != NULL; f = f->fr_next) 2128145510Sdarrenr if (strncmp(f->fr_grhead, fr->fr_group, FR_GROUPLEN) == 0) 2129145510Sdarrenr break; 2130145510Sdarrenr if (f == NULL) 2131145510Sdarrenr return; 2132145510Sdarrenr 2133145510Sdarrenr /* 2134145510Sdarrenr * Only copy down matching fields if the rules are of the same type 2135145510Sdarrenr * and are of ipf type. The only fields that are copied are those 2136145510Sdarrenr * that impact the rule parsing itself, eg. need for knowing what the 2137145510Sdarrenr * protocol should be for rules with port comparisons in them. 2138145510Sdarrenr */ 2139145510Sdarrenr if (f->fr_type != fr->fr_type || f->fr_type != FR_T_IPF) 2140145510Sdarrenr return; 2141145510Sdarrenr 2142145510Sdarrenr if (fr->fr_v == 0 && f->fr_v != 0) 2143145510Sdarrenr fr->fr_v = f->fr_v; 2144145510Sdarrenr 2145145510Sdarrenr if (fr->fr_mproto == 0 && f->fr_mproto != 0) 2146145510Sdarrenr fr->fr_mproto = f->fr_mproto; 2147145510Sdarrenr if (fr->fr_proto == 0 && f->fr_proto != 0) 2148145510Sdarrenr fr->fr_proto = f->fr_proto; 2149145510Sdarrenr 2150145510Sdarrenr if ((fr->fr_mproto == 0) && ((fr->fr_flx & FI_TCPUDP) == 0) && 2151145510Sdarrenr ((f->fr_flx & FI_TCPUDP) != 0)) 2152145510Sdarrenr fr->fr_flx |= FI_TCPUDP; 2153145510Sdarrenr} 2154