diff options
author | Phil Sutter <phil@nwl.cc> | 2017-03-10 18:13:51 +0100 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2017-03-10 19:01:21 +0100 |
commit | e02bd59c4009bedba89da88b199e715441975439 (patch) | |
tree | 89dd9f1959adf4065d23da80053e119fe1483500 /src/scanner.l | |
parent | 627be570eff8f05849614a257e6fa45c744f4dbd (diff) |
exthdr: Implement existence check
This allows to check for existence of an IPv6 extension or TCP
option header by using the following syntax:
| exthdr frag exists
| tcpopt window exists
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/scanner.l')
-rw-r--r-- | src/scanner.l | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/scanner.l b/src/scanner.l index b0d57198..c2c008d6 100644 --- a/src/scanner.l +++ b/src/scanner.l @@ -507,6 +507,8 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr}) "exists" { return EXISTS; } "missing" { return MISSING; } +"exthdr" { return EXTHDR; } + {addrstring} { yylval->string = xstrdup(yytext); return STRING; |