diff options
| author | Patrick McHardy <kaber@trash.net> | 2014-01-15 07:35:20 +0000 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2014-01-15 11:11:14 +0000 |
| commit | a4da57bde3330aa2d84815e16d8cf238cebf8d70 (patch) | |
| tree | 26396c1eb62d691bebea29dfc5a8353a75524760 | |
| parent | e71137847f6f1220abfb418590b2a8b1847fc4c6 (diff) | |
meta: don't require "meta" keyword for a subset of meta expressions
Don't require the meta keyword for mark, iif, oif, iifname, oifname,
skuid, skgid, nftrace, rtclassid and secmark.
The protocol and length types still need the meta keyword to avoid
grammar conflicts.
Signed-off-by: Patrick McHardy <kaber@trash.net>
| -rw-r--r-- | src/meta.c | 13 | ||||
| -rw-r--r-- | src/parser.y | 20 |
2 files changed, 29 insertions, 4 deletions
@@ -335,7 +335,18 @@ static const struct meta_template meta_templates[] = { static void meta_expr_print(const struct expr *expr) { - printf("meta %s", meta_templates[expr->meta.key].token); + switch (expr->meta.key) { + case NFT_META_LEN: + case NFT_META_NFPROTO: + case NFT_META_L4PROTO: + case NFT_META_PROTOCOL: + case NFT_META_PRIORITY: + printf("meta %s", meta_templates[expr->meta.key].token); + break; + default: + printf("%s", meta_templates[expr->meta.key].token); + break; + } } static void meta_expr_clone(struct expr *new, const struct expr *expr) diff --git a/src/parser.y b/src/parser.y index 2e5f6c12..632970b2 100644 --- a/src/parser.y +++ b/src/parser.y @@ -463,7 +463,7 @@ static void location_update(struct location *loc, struct location *rhs, int n) %type <expr> meta_expr %destructor { expr_free($$); } meta_expr -%type <val> meta_key +%type <val> meta_key meta_key_qualified meta_key_unqualified %type <expr> ct_expr %destructor { expr_free($$); } ct_expr @@ -1374,14 +1374,24 @@ meta_expr : META meta_key { $$ = meta_expr_alloc(&@$, $2); } + | meta_key_unqualified + { + $$ = meta_expr_alloc(&@$, $1); + } + ; + +meta_key : meta_key_qualified + | meta_key_unqualified ; -meta_key : LENGTH { $$ = NFT_META_LEN; } +meta_key_qualified : LENGTH { $$ = NFT_META_LEN; } | NFPROTO { $$ = NFT_META_NFPROTO; } | L4PROTO { $$ = NFT_META_L4PROTO; } | PROTOCOL { $$ = NFT_META_PROTOCOL; } | PRIORITY { $$ = NFT_META_PRIORITY; } - | MARK { $$ = NFT_META_MARK; } + ; + +meta_key_unqualified : MARK { $$ = NFT_META_MARK; } | IIF { $$ = NFT_META_IIF; } | IIFNAME { $$ = NFT_META_IIFNAME; } | IIFTYPE { $$ = NFT_META_IIFTYPE; } @@ -1398,6 +1408,10 @@ meta_stmt : META meta_key SET expr { $$ = meta_stmt_alloc(&@$, $2, $4); } + | meta_key_unqualified SET expr + { + $$ = meta_stmt_alloc(&@$, $1, $3); + } ; ct_expr : CT ct_key |