Hi,
On Tue, May 14, 2019 at 11:13:40PM +0200, Fernando Fernandez Mancera wrote:
> This patch introduces the use of nft input files variables in 'jump' and
> 'goto'
> statements, e.g.
>
> define dest = ber
>
> add table ip foo
> add chain ip foo bar {type filter hook input priority 0;}
> add chain ip foo ber
> add rule ip foo ber counter
> add rule ip foo bar jump $dest
>
> table ip foo {
> chain bar {
> type filter hook input priority filter; policy accept;
> jump ber
> }
>
> chain ber {
> counter packets 71 bytes 6664
> }
> }
>
> Signed-off-by: Fernando Fernandez Mancera <ffmanc...@riseup.net>
> ---
> src/datatype.c | 11 +++++++++++
> src/parser_bison.y | 6 +++++-
> 2 files changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/src/datatype.c b/src/datatype.c
> index 6aaf9ea..7e9ec5e 100644
> --- a/src/datatype.c
> +++ b/src/datatype.c
> @@ -297,11 +297,22 @@ static void verdict_type_print(const struct expr *expr,
> struct output_ctx *octx)
> }
> }
>
> +static struct error_record *verdict_type_parse(const struct expr *sym,
> + struct expr **res)
> +{
> + *res = constant_expr_alloc(&sym->location, &string_type,
> + BYTEORDER_HOST_ENDIAN,
> + (strlen(sym->identifier) + 1) *
> BITS_PER_BYTE,
> + sym->identifier);
> + return NULL;
> +}
> +
> const struct datatype verdict_type = {
> .type = TYPE_VERDICT,
> .name = "verdict",
> .desc = "netfilter verdict",
> .print = verdict_type_print,
> + .parse = verdict_type_parse,
> };
>
> static const struct symbol_table nfproto_tbl = {
> diff --git a/src/parser_bison.y b/src/parser_bison.y
> index 69b5773..a955cb5 100644
> --- a/src/parser_bison.y
> +++ b/src/parser_bison.y
> @@ -3841,7 +3841,11 @@ verdict_expr : ACCEPT
> }
> ;
>
> -chain_expr : identifier
> +chain_expr : variable_expr
> + {
> + $$ = $1;
> + }
Are you sure this is needed? The provided code should be what bison does
by default if no body was given.
Cheers, Phil
