diff options
| author | Reyk Floeter <reyk@cvs.openbsd.org> | 2007-01-02 18:31:22 +0000 |
|---|---|---|
| committer | Reyk Floeter <reyk@cvs.openbsd.org> | 2007-01-02 18:31:22 +0000 |
| commit | 7355916064bc8f0d820e4d8adeaa4ad3181d5a8f (patch) | |
| tree | ec4e245ea655beb0623ef7c46e92280ab25839ba /lib/libpcap/scanner.l | |
| parent | e4dd67e23b287074f915425c4632e4bfbc4ae009 (diff) | |
define bpf filters to match address and header fields in IEEE 802.11
wlan frames (DLT_IEEE802_11 and DLT_IEEE802_11_RADIO linktypes). see
tcpdump(8) for details.
"Works for me" claudio@
ok jmc@ deraadt@
Diffstat (limited to 'lib/libpcap/scanner.l')
| -rw-r--r-- | lib/libpcap/scanner.l | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/libpcap/scanner.l b/lib/libpcap/scanner.l index 6473b655f03..6aa93c19c0a 100644 --- a/lib/libpcap/scanner.l +++ b/lib/libpcap/scanner.l @@ -1,5 +1,5 @@ %{ -/* $OpenBSD: scanner.l,v 1.18 2006/04/18 18:17:52 otto Exp $ */ +/* $OpenBSD: scanner.l,v 1.19 2007/01/02 18:31:21 reyk Exp $ */ /* * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 @@ -24,7 +24,7 @@ #ifndef lint static const char rcsid[] = - "@(#) $Header: /cvs/OpenBSD/src/lib/libpcap/scanner.l,v 1.18 2006/04/18 18:17:52 otto Exp $ (LBL)"; + "@(#) $Header: /cvs/OpenBSD/src/lib/libpcap/scanner.l,v 1.19 2007/01/02 18:31:21 reyk Exp $ (LBL)"; #endif #include <sys/types.h> @@ -235,6 +235,15 @@ srnr|subrulenum return PF_SRNR; reason return PF_REASON; action return PF_ACTION; +wlan return LINK; +type return TYPE; +subtype return SUBTYPE; +direction|dir return DIR; +address1|addr1 return ADDR1; +address2|addr2 return ADDR2; +address3|addr3 return ADDR3; +address4|addr4 return ADDR4; + [ \n\t] ; [+\-*/:\[\]!<>()&|=] return yytext[0]; ">=" return GEQ; |