Hi Daniel,
I added the debug callback and added some tracing in our code, and it appears
to be due to the encoding of the server response.
###ET### <= Recv header 2 bytes
###ET### <= Recv SSL data 5 bytes
###ET### <= Recv data 1348 bytes
###ET### => Info: Unrecognized content encoding type. libcurl understands
identity content encodings.
###ET### => Info: Failed writing data
The received header is Content-Encoding: binary
We are using:
curl_easy_setopt(m_hCurlHandle, CURLOPT_ENCODING, "");
I also tried:
curl_easy_setopt(m_hCurlHandle, CURLOPT_ACCEPT_ENCODING, "");
And:
curl_easy_setopt(m_hCurlHandle, CURLOPT_ACCEPT_ENCODING, "identity");
But the result is the same. I re-verified that 7.55.1 has no problem with this
so I suspect something changed when adding the brotli support?
The full set of headers we are receiving from the server are:
HTTP/1.1 200 OK
Content-Type: application/x-pkcs12
Transfer-Encoding: chunked
Content-Encoding: binary
Connection: Keep-Alive
Date: Tue, 10 Jul 2018 17:13:51 GMT
X-Frame-Options: SAMEORIGIN
Content-Disposition: attachment; filename=etkal.p12
Thanks,
Erik Tkal
Cisco Systems, Inc.
On Jul 7, 2018, at 10:20 AM, Daniel Stenberg <[email protected]> wrote:
On Fri, 6 Jul 2018, [email protected] wrote:
> We updated libcurl from 7.55.1 to 7.59.0 and are now getting
> CURLE_WRITE_ERROR from curl_easy_perform(). CURLOPT_WRITEFUNCTION and
> CURLOPT_HEADERFUNCTION are both set and the functions return size*nitems to
> all calls. I copied the 7.55.1 library back over from the older branch and
> it works fine again.
>
> The failing scenario appears to be when CURLOPT_HTTPGET is set, has anything
> specifically changed in this case between these releases?
We need a lot more detail to be able to tell - this is not a known problem.
Tell us more about what your application does (including protocol and libcurl
options used) and at what point you get this error etc.
--
/ daniel.haxx.se
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