Hi,
On 5/15/19 12:46 PM, Phil Sutter wrote:
> 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 <[email protected]>
>> ---
>> 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.
>
Yes, you are right! Thanks to point that. I am going to remove it in the
next patch series.
> Cheers, Phil
>
