diff options
Diffstat (limited to 'contrib/libpcap/grammar.y')
| -rw-r--r-- | contrib/libpcap/grammar.y | 113 |
1 files changed, 103 insertions, 10 deletions
diff --git a/contrib/libpcap/grammar.y b/contrib/libpcap/grammar.y index e978de4..dc63e32 100644 --- a/contrib/libpcap/grammar.y +++ b/contrib/libpcap/grammar.y @@ -21,33 +21,40 @@ * */ #ifndef lint -static const char rcsid[] = - "@(#) $Header: /tcpdump/master/libpcap/grammar.y,v 1.71 2001/07/03 19:15:48 guy Exp $ (LBL)"; +static const char rcsid[] _U_ = + "@(#) $Header: /tcpdump/master/libpcap/grammar.y,v 1.79.2.3 2004/03/28 21:45:32 fenner Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif +#ifdef WIN32 +#include <pcap-stdinc.h> +#else /* WIN32 */ #include <sys/types.h> #include <sys/time.h> #include <sys/socket.h> +#endif /* WIN32 */ + #include <stdlib.h> +#ifndef WIN32 #if __STDC__ struct mbuf; struct rtentry; #endif -#include <net/if.h> - #include <netinet/in.h> +#endif /* WIN32 */ #include <stdio.h> +#include <strings.h> #include "pcap-int.h" #include "gencode.h" +#include "pf.h" #include <pcap-namedb.h> #ifdef HAVE_OS_PROTO_H @@ -91,6 +98,7 @@ pcap_parse() struct arth *a; struct { struct qual q; + int atmfieldtype; struct block *b; } blk; struct block *rblk; @@ -102,14 +110,18 @@ pcap_parse() %type <a> arth narth %type <i> byteop pname pnum relop irelop %type <blk> and or paren not null prog -%type <rblk> other +%type <rblk> other pfvar +%type <i> atmtype atmmultitype +%type <blk> atmfield +%type <blk> atmfieldvalue atmvalue atmlistvalue %token DST SRC HOST GATEWAY -%token NET MASK PORT LESS GREATER PROTO PROTOCHAIN BYTE +%token NET NETMASK PORT LESS GREATER PROTO PROTOCHAIN CBYTE %token ARP RARP IP SCTP TCP UDP ICMP IGMP IGRP PIM VRRP %token ATALK AARP DECNET LAT SCA MOPRC MOPDL %token TK_BROADCAST TK_MULTICAST %token NUM INBOUND OUTBOUND +%token PF_IFNAME PF_RSET PF_RNR PF_SRNR PF_REASON PF_ACTION %token LINK %token GEQ LEQ NEQ %token ID EID HID HID6 AID @@ -117,16 +129,19 @@ pcap_parse() %token LEN %token IPV6 ICMPV6 AH ESP %token VLAN -%token ISO ESIS ISIS CLNP +%token ISO ESIS CLNP ISIS L1 L2 IIH LSP SNP CSNP PSNP %token STP %token IPX %token NETBEUI +%token LANE LLC METAC BCC SC ILMIC OAMF4EC OAMF4SC +%token OAM OAMF4 CONNECTMSG METACONNECT +%token VPI VCI %type <s> ID %type <e> EID %type <e> AID %type <s> HID HID6 -%type <i> NUM +%type <i> NUM action reason %left OR AND %nonassoc '!' @@ -163,7 +178,7 @@ id: nid nid: ID { $$.b = gen_scode($1, $$.q = $<blk>0.q); } | HID '/' NUM { $$.b = gen_mcode($1, NULL, $3, $$.q = $<blk>0.q); } - | HID MASK HID { $$.b = gen_mcode($1, $3, 0, + | HID NETMASK HID { $$.b = gen_mcode($1, $3, 0, $$.q = $<blk>0.q); } | HID { /* Decide how to parse HID based on proto */ @@ -238,6 +253,9 @@ rterm: head id { $$ = $2; } | arth irelop arth { $$.b = gen_relation($2, $1, $3, 1); $$.q = qerr; } | other { $$.b = $1; $$.q = qerr; } + | atmtype { $$.b = gen_atmtype_abbrev($1); $$.q = qerr; } + | atmmultitype { $$.b = gen_atmmulti_abbrev($1); $$.q = qerr; } + | atmfield atmvalue { $$.b = $2.b; $$.q = qerr; } ; /* protocol level qualifiers */ pqual: pname @@ -285,6 +303,13 @@ pname: LINK { $$ = Q_LINK; } | ISO { $$ = Q_ISO; } | ESIS { $$ = Q_ESIS; } | ISIS { $$ = Q_ISIS; } + | L1 { $$ = Q_ISIS_L1; } + | L2 { $$ = Q_ISIS_L2; } + | IIH { $$ = Q_ISIS_IIH; } + | LSP { $$ = Q_ISIS_LSP; } + | SNP { $$ = Q_ISIS_SNP; } + | PSNP { $$ = Q_ISIS_PSNP; } + | CSNP { $$ = Q_ISIS_CSNP; } | CLNP { $$ = Q_CLNP; } | STP { $$ = Q_STP; } | IPX { $$ = Q_IPX; } @@ -294,12 +319,47 @@ other: pqual TK_BROADCAST { $$ = gen_broadcast($1); } | pqual TK_MULTICAST { $$ = gen_multicast($1); } | LESS NUM { $$ = gen_less($2); } | GREATER NUM { $$ = gen_greater($2); } - | BYTE NUM byteop NUM { $$ = gen_byteop($3, $2, $4); } + | CBYTE NUM byteop NUM { $$ = gen_byteop($3, $2, $4); } | INBOUND { $$ = gen_inbound(0); } | OUTBOUND { $$ = gen_inbound(1); } | VLAN pnum { $$ = gen_vlan($2); } | VLAN { $$ = gen_vlan(-1); } + | pfvar { $$ = $1; } ; + +pfvar: PF_IFNAME ID { $$ = gen_pf_ifname($2); } + | PF_RSET ID { $$ = gen_pf_ruleset($2); } + | PF_RNR NUM { $$ = gen_pf_rnr($2); } + | PF_SRNR NUM { $$ = gen_pf_srnr($2); } + | PF_REASON reason { $$ = gen_pf_reason($2); } + | PF_ACTION action { $$ = gen_pf_action($2); } + ; + +reason: NUM { $$ = $1; } + | ID { const char *reasons[] = PFRES_NAMES; + int i; + for (i = 0; reasons[i]; i++) { + if (pcap_strcasecmp($1, reasons[i]) == 0) { + $$ = i; + break; + } + } + if (reasons[i] == NULL) + bpf_error("unknown PF reason"); + } + ; + +action: ID { if (pcap_strcasecmp($1, "pass") == 0 || + pcap_strcasecmp($1, "accept") == 0) + $$ = PF_PASS; + else if (pcap_strcasecmp($1, "drop") == 0 || + pcap_strcasecmp($1, "block") == 0) + $$ = PF_DROP; + else + bpf_error("unknown PF action"); + } + ; + relop: '>' { $$ = BPF_JGT; } | GEQ { $$ = BPF_JGE; } | '=' { $$ = BPF_JEQ; } @@ -334,4 +394,37 @@ byteop: '&' { $$ = '&'; } pnum: NUM | paren pnum ')' { $$ = $2; } ; +atmtype: LANE { $$ = A_LANE; } + | LLC { $$ = A_LLC; } + | METAC { $$ = A_METAC; } + | BCC { $$ = A_BCC; } + | OAMF4EC { $$ = A_OAMF4EC; } + | OAMF4SC { $$ = A_OAMF4SC; } + | SC { $$ = A_SC; } + | ILMIC { $$ = A_ILMIC; } + ; +atmmultitype: OAM { $$ = A_OAM; } + | OAMF4 { $$ = A_OAMF4; } + | CONNECTMSG { $$ = A_CONNECTMSG; } + | METACONNECT { $$ = A_METACONNECT; } + ; + /* ATM field types quantifier */ +atmfield: VPI { $$.atmfieldtype = A_VPI; } + | VCI { $$.atmfieldtype = A_VCI; } + ; +atmvalue: atmfieldvalue + | relop NUM { $$.b = gen_atmfield_code($<blk>0.atmfieldtype, (u_int)$2, (u_int)$1, 0); } + | irelop NUM { $$.b = gen_atmfield_code($<blk>0.atmfieldtype, (u_int)$2, (u_int)$1, 1); } + | paren atmlistvalue ')' { $$.b = $2.b; $$.q = qerr; } + ; +atmfieldvalue: NUM { + $$.atmfieldtype = $<blk>0.atmfieldtype; + if ($$.atmfieldtype == A_VPI || + $$.atmfieldtype == A_VCI) + $$.b = gen_atmfield_code($$.atmfieldtype, (u_int) $1, BPF_JEQ, 0); + } + ; +atmlistvalue: atmfieldvalue + | atmlistvalue or atmfieldvalue { gen_or($1.b, $3.b); $$ = $3; } + ; %% |
