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For HTTP/2, we may read up everything including responde body with
header fields in Curl_http_readwrite_headers. If no content-length is
provided, curl waits for the connection close, which we emulate it
using conn->proto.httpc.closed = TRUE. The thing is if we read
everything, then http2_recv won't be called and we cannot signal the
HTTP/2 stream has closed. As a workaround, we return nonzero from
data_pending to call http2_recv.
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nghttp2 has yet again extended its callback struct and this is an
attempt to make curl compile with nghttp2 from current git
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darwinssl: don't omit CN verification when an IP address is used
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Original commit message was:
Don't omit CN verification in SChannel when an IP address is used.
Side-effect of this change:
SChannel and CryptoAPI do not support the iPAddress subjectAltName
according to RFC 2818. If present, SChannel will first compare the
IP address to the dNSName subjectAltNames and then fallback to the
most specific Common Name in the Subject field of the certificate.
This means that after this change curl will not connect to SSL/TLS
hosts as long as the IP address is not specified in the SAN or CN
of the server certificate or the verifyhost option is disabled.
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When asking for an SFTP directory with NOBODY set, no directory contents
should be retrieved.
Bug: http://curl.haxx.se/mail/lib-2014-02/0155.html
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This patch enables HTTP POST/PUT in HTTP2.
We disabled Expect header field and chunked transfer encoding
since HTTP2 forbids them.
In HTTP1, Curl sends small upload data with request headers, but
HTTP2 requires upload data must be in DATA frame separately.
So we added some conditionals to achieve this.
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When the multi API is used we must also ignore SIGPIPE signals when
caused by things we do, like they can easily be generated by OpenSSL.
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It now disables NTLM and GSS authentication methods, and produces
compilable code when SSL is enabled.
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... as documented!
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Perform more work in between sleeps. This is work around the
fact that axtls does not expose any knowledge about when work needs
to be performed. Depending on connection and how often perform is
being called this can save ~25% of time on SSL handshakes (measured
on 20ms latency connection calling perform roughly every 10ms).
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When allowing NTLM, the re-use connection logic was too focused on
finding an existing NTLM connection to use and didn't properly allow
re-use of other ones. This made the logic not re-use perfectly re-usable
connections.
Added test case 1418 and 1419 to verify.
Regression brought in 8ae35102c (curl 7.35.0)
Reported-by: Jeff King
Bug: http://thread.gmane.org/gmane.comp.version-control.git/242213
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Bug: https://github.com/bagder/curl/pull/90
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For a function that returns a decoded version of a string, it seems
really strange to allow a NULL pointer to get passed in which then
prevents the decoded data from being returned!
This functionality was not documented anywhere either.
If anyone would use it that way, that memory would've been leaked.
Bug: https://github.com/bagder/curl/pull/90
Reported-by: Arvid Norberg
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Make sure that the special NTLM magic we do is for HTTP+NTLM only since
that's where the authenticated connection is a weird non-standard
paradigm.
Regression brought in 8ae35102c (curl 7.35.0)
Bug: http://curl.haxx.se/mail/lib-2014-02/0100.html
Reported-by: Dan Fandrich
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Replaced the #define CURL_TIMEOUT_EXPECT_100 in transfer.c with the
CURLOPT_EXPECT_100_TIMEOUT_MS option to make the timeout configurable.
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The source files from lib/vtls where generated in lib instead of lib/vtls.
Verified-by: Thomas Braun <thomas.braun@virtuell-zuhause.de>
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The code didn't properly check the return codes to detect overflows so
it could trigger incorrectly. Like on mingw32.
Regression introduced in 345891edba (curl 7.35.0)
Bug: http://curl.haxx.se/mail/lib-2014-02/0097.html
Reported-by: LM
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Disable ALPN or NPN if requested by the user.
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Disable ALPN if requested by the user.
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when using --http2 one can now selectively disable NPN or ALPN with
--no-alpn and --no-npn. for now honored with NSS only.
TODO: honor this option with GnuTLS and OpenSSL
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SSL_ENABLE_ALPN can be used for preprocessor ALPN feature detection,
but not SSL_NEXT_PROTO_SELECTED, since it is an enum value and not a
preprocessor macro.
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Changed the support to a little matrix and added brief explanation of
what ALPN and NPN are for.
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Add ALPN and NPN support for NSS. This allows cURL to negotiate
HTTP/2.0 connections when built with NSS.
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Not comma, which is an inconsistency and a mistake probably inherited
from the examples section of RFC1867.
This bug has been present since the day curl started to support
multipart formposts, back in the 90s.
Reported-by: Rob Davies
Bug: http://curl.haxx.se/bug/view.cgi?id=1333
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When using the multi socket interface, libcurl calls the
curl_multi_timer_callback asking to be woken up after
CURL_TIMEOUT_EXPECT_100 milliseconds.
After the timeout has expired, calling curl_multi_socket_action with
CURL_SOCKET_TIMEOUT as sockfd leads libcurl to check expired
timeouts. When handling the 100-continue one, the following check in
Curl_readwrite() fails if exactly CURL_TIMEOUT_EXPECT_100 milliseconds
passed since the timeout has been set!
It seems logical to consider that having waited for exactly
CURL_TIMEOUT_EXPECT_100 ms is enough.
Bug: http://curl.haxx.se/bug/view.cgi?id=1334
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Offer TLSv1.0 to 1.2 by default, still fall back to SSLv3
if --tlsv1[.N] was not specified on the command line.
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A server might respond with a content-encoding header and a response
that was encoded accordingly in HTTP-draft-09/2.0 mode, even if the
client did not send an accept-encoding header earlier. The server might
not send a content-encoding header if the identity encoding was used to
encode the response.
See:
http://tools.ietf.org/html/draft-ietf-httpbis-http2-09#section-9.3
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As this is mandated by the http2 spec draft-09
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This patch chooses different approach to integrate HTTP2 into HTTP curl
stack. The idea is that we insert HTTP2 layer between HTTP code and
socket(TLS) layer. When HTTP2 is initialized (either in NPN or Upgrade),
we replace the Curl_recv/Curl_send callbacks with HTTP2's, but keep the
original callbacks in http_conn struct. When sending serialized data by
nghttp2, we use original Curl_send callback. Likewise, when reading data
from network, we use original Curl_recv callback. In this way we can
treat both TLS and non-TLS connections.
With this patch, one can transfer contents from https://twitter.com and
from nghttp2 test server in plain HTTP as well.
The code still has rough edges. The notable one is I could not figure
out how to call nghttp2_session_send() when underlying socket is
writable.
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Add ALPN support when using GnuTLS >= 3.2.0. This allows
libcurl to negotiate HTTP/2.0 for https connections when
built with GnuTLS.
See:
http://www.gnutls.org/manual/gnutls.html#Application-Layer-Protocol-Negotiation-_0028ALPN_0029
http://tools.ietf.org/html/draft-ietf-tls-applayerprotoneg-04
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Add ALPN support when using OpenSSL. This will offer ALPN and NPN to the
server, who can respond with either one or none of the two. OpenSSL >=
1.0.2 is required, which means as of today obtaining a snapshot from
ftp://ftp.openssl.org/snapshot/.
See:
http://tools.ietf.org/html/draft-ietf-tls-applayerprotoneg-04
https://github.com/openssl/openssl/blob/ba168244a14bbd056e502d7daa04cae4aabe9d0d/ssl/ssl_lib.c#L1787
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For some reason Windows 7 SP1 chooses TLS 1.0 instead of TLS 1.2
if it is not explicitly enabled within grbitEnabledProtocols.
More information can be found on MSDN:
http://msdn.microsoft.com/library/windows/desktop/aa379810.aspx
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