Am 15. Dezember 2014 12:43:32 MEZ, schrieb Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>:
>Hi Patrick!
>
>On Sun, Dec 14, 2014 at 08:47:08PM +0100, Pablo Neira Ayuso wrote:
>> On Sun, Dec 14, 2014 at 07:01:10PM +0100, Patrick McHardy wrote:
>> > Am 14. Dezember 2014 18:01:00 MEZ, schrieb Pablo Neira Ayuso
><pablo@xxxxxxxxxxxxx>:
>> > >nft add rule filter input iifname { "lo", "eth0" } counter
>> > >
>> > >Now the listing shows:
>> > >
>> > > iifname { "lo", "eth0"}
>> > >
>> > >instead of:
>> > >
>> > > iifname { "", ""}
>> >
>> > Again wondering what broke this. Let me check when I am at home,
>> > IIRC we have some check for strings somewhere in the netlink code
>> > that relies in this.
>>
>> Attached an alternative to this patch. That I can remember, this is
>> broken since quite some time.
>
>Any concern with this second approach?
>
>Let me know if you prefer I keep this away from this release.
Sorry, didn't manage to look at it so far. Will manage some time this afternoon.
Cheers,
Patrick
>
>Thanks!
>
>> From ddd263f8ceccf4f30784b9316e2cadfa35e5678d Mon Sep 17 00:00:00
>2001
>> From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
>> Date: Sat, 13 Dec 2014 18:29:37 +0100
>> Subject: [PATCH] datatype: fix listing of string elements
>>
>> Generalise 0451b82 ("src: generate set members using integer_type in
>> the appropriate byteorder") to handle string_type too, since this
>> datatype doesn't have any specific byteorder.
>>
>> nft add rule filter input iifname { "lo", "eth0" } counter
>>
>> Now the listing shows:
>>
>> iifname { "lo", "eth0"}
>>
>> instead of:
>>
>> iifname { "", ""}
>>
>> Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
>> ---
>> src/netlink_delinearize.c | 12 ++++++++----
>> 1 file changed, 8 insertions(+), 4 deletions(-)
>>
>> diff --git a/src/netlink_delinearize.c b/src/netlink_delinearize.c
>> index e9a04dd..8762cc9 100644
>> --- a/src/netlink_delinearize.c
>> +++ b/src/netlink_delinearize.c
>> @@ -742,7 +742,7 @@ static void payload_dependency_store(struct
>rule_pp_ctx *ctx,
>> ctx->pdep = stmt;
>> }
>>
>> -static void integer_type_postprocess(struct expr *expr)
>> +static void lookup_postprocess(struct expr *expr)
>> {
>> struct expr *i;
>>
>> @@ -757,7 +757,7 @@ static void integer_type_postprocess(struct expr
>*expr)
>> case EXPR_SET_REF:
>> list_for_each_entry(i, &expr->set->init->expressions, list) {
>> expr_set_type(i, expr->dtype, expr->byteorder);
>> - integer_type_postprocess(i);
>> + lookup_postprocess(i);
>> }
>> break;
>> default:
>> @@ -831,8 +831,12 @@ static void meta_match_postprocess(struct
>rule_pp_ctx *ctx,
>> case OP_LOOKUP:
>> expr_set_type(expr->right, expr->left->dtype,
>> expr->left->byteorder);
>> - if (expr->right->dtype == &integer_type)
>> - integer_type_postprocess(expr->right);
>> + switch (expr->right->dtype->type) {
>> + case TYPE_STRING:
>> + case TYPE_INTEGER:
>> + lookup_postprocess(expr->right);
>> + break;
>> + }
>> break;
>> default:
>> break;
>> --
>> 1.7.10.4
>>
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