diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2019-07-30 16:16:16 +0200 |
|---|---|---|
| committer | Florian Westphal <fw@strlen.de> | 2019-12-17 23:10:01 +0100 |
| commit | 14357cff40eda63f75efc878324aaaafbf3ed748 (patch) | |
| tree | b207d0467df218e5c4b28057ccf61d554b8c962c /src | |
| parent | 9d65f388c42eaf387a0ae91587c28a29c8582f46 (diff) | |
parser: add typeof keyword for declarations
Add a typeof keyword to automatically use the correct type in set and map
declarations.
table filter {
set blacklist {
typeof ip saddr
}
chain input {
ip saddr @blacklist counter drop
}
}
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'src')
| -rw-r--r-- | src/parser_bison.y | 39 | ||||
| -rw-r--r-- | src/scanner.l | 1 |
2 files changed, 38 insertions, 2 deletions
diff --git a/src/parser_bison.y b/src/parser_bison.y index 6d17539f..89ec564c 100644 --- a/src/parser_bison.y +++ b/src/parser_bison.y @@ -223,6 +223,8 @@ int nft_lex(void *, void *, void *); %token WSCALE "wscale" %token SACKPERM "sack-perm" +%token TYPEOF "typeof" + %token HOOK "hook" %token DEVICE "device" %token DEVICES "devices" @@ -658,8 +660,8 @@ int nft_lex(void *, void *, void *); %type <expr> symbol_expr verdict_expr integer_expr variable_expr chain_expr policy_expr %destructor { expr_free($$); } symbol_expr verdict_expr integer_expr variable_expr chain_expr policy_expr -%type <expr> primary_expr shift_expr and_expr -%destructor { expr_free($$); } primary_expr shift_expr and_expr +%type <expr> primary_expr shift_expr and_expr typeof_expr +%destructor { expr_free($$); } primary_expr shift_expr and_expr typeof_expr %type <expr> exclusive_or_expr inclusive_or_expr %destructor { expr_free($$); } exclusive_or_expr inclusive_or_expr %type <expr> basic_expr @@ -1671,6 +1673,22 @@ chain_block : /* empty */ { $$ = $<chain>-1; } } ; +typeof_expr : primary_expr + { + $$ = $1; + } + | typeof_expr DOT primary_expr + { + struct location rhs[] = { + [1] = @2, + [2] = @3, + }; + + $$ = handle_concat_expr(&@$, $$, $1, $3, rhs); + } + ; + + set_block_alloc : /* empty */ { $$ = set_alloc(NULL); @@ -1685,6 +1703,12 @@ set_block : /* empty */ { $$ = $<set>-1; } $1->key = $3; $$ = $1; } + | set_block TYPEOF typeof_expr stmt_separator + { + $1->key = $3; + datatype_set($1->key, $3->dtype); + $$ = $1; + } | set_block FLAGS set_flag_list stmt_separator { $1->flags = $3; @@ -1754,6 +1778,17 @@ map_block : /* empty */ { $$ = $<set>-1; } $1->flags |= NFT_SET_MAP; $$ = $1; } + | map_block TYPEOF + typeof_expr COLON typeof_expr + stmt_separator + { + $1->key = $3; + datatype_set($1->key, $3->dtype); + $1->data = $5; + + $1->flags |= NFT_SET_MAP; + $$ = $1; + } | map_block TYPE data_type_expr COLON COUNTER stmt_separator diff --git a/src/scanner.l b/src/scanner.l index d32adf48..4fbdcf2a 100644 --- a/src/scanner.l +++ b/src/scanner.l @@ -385,6 +385,7 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr}) "saddr" { return SADDR; } "daddr" { return DADDR; } "type" { return TYPE; } +"typeof" { return TYPEOF; } "vlan" { return VLAN; } "id" { return ID; } |