I can, but is mod_proxy_h2 CTR (Commit Then Review) like
mod_h2 ?

On Tue, Jun 28, 2016 at 12:15 PM, Stefan Eissing
<stefan.eiss...@greenbytes.de> wrote:
> Looks good to me. Can you commit this, then I quickly run my tests with it...
>
>> Am 28.06.2016 um 09:50 schrieb Yann Ylavic <ylavic....@gmail.com>:
>>
>> On Tue, Jun 28, 2016 at 12:23 AM, Yann Ylavic <ylavic....@gmail.com> wrote:
>>>>
>>>> The possible issue if r1750414 were backported, is that without
>>>> r1750392 mod_proxy_http2 may not detect a TLS close notify before
>>>> reusing a backend connection.
>>>> If it's not backported, it may close a legitimate backend connection
>>>> with (pre-)available data...
>>>
>>> I meant: it may discard (pre-)available data (not closing the connection).
>>
>> A possible solution for 2.4.x (needed only there AFAICT), could be:
>>
>> Index: modules/http2/mod_proxy_http2.c
>> ===================================================================
>> --- modules/http2/mod_proxy_http2.c    (revision 1750453)
>> +++ modules/http2/mod_proxy_http2.c    (working copy)
>> @@ -520,11 +520,19 @@ run_connect:
>>     }
>>
>>     ctx->p_conn->is_ssl = ctx->is_ssl;
>> -    if (ctx->is_ssl) {
>> -        /* If there is still some data on an existing ssl connection, now
>> -         * would be a good timne to get rid of it. */
>> -        ap_proxy_ssl_connection_cleanup(ctx->p_conn, ctx->rbase);
>> -    }
>> +    if (ctx->is_ssl && ctx->p_conn->connection) {
>> +        /* If there are some metadata on the connection (e.g. TLS alert),
>> +         * let mod_ssl detect them, and create a new connection below.
>> +         */
>> +        apr_bucket_brigade *tmp_bb;
>> +        tmp_bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
>> +        status = ap_get_brigade(ctx->p_conn->connection->input_filters, 
>> tmp_bb,
>> +                                AP_MODE_SPECULATIVE, APR_NONBLOCK_READ, 1);
>> +        if (status != APR_SUCCESS && !APR_STATUS_IS_EAGAIN(status)) {
>> +            ctx->p_conn->close = 1;
>> +        }
>> +        apr_brigade_cleanup(tmp_bb);
>> +    }
>>
>>     /* Step One: Determine the URL to connect to (might be a proxy),
>>      * initialize the backend accordingly and determine the server
>> _
>>
>> Stefan?
>

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