Michael Kaufmann [Fri, 24 Jul 2015 22:46:01 +0000 (00:46 +0200)]
HTTP: ignore "Content-Encoding: compress"
Currently, libcurl rejects responses with "Content-Encoding: compress"
when CURLOPT_ACCEPT_ENCODING is set to "". I think that libcurl should
treat the Content-Encoding "compress" the same as other
Content-Encodings that it does not support, e.g. "bzip2". That means
just ignoring it.
lib\vtls\openssl.c(1554): warning C4701: potentially uninitialized local
variable 'verstr' used It's a false positive, but as it's normally not,
I have enabled warning-as-error for that warning.
Michał Fita [Thu, 23 Jul 2015 09:38:49 +0000 (10:38 +0100)]
configure: add --disable-rt option
This option disables any attempts in configure to create dependency on
stuff requiring linking to librt.so and libpthread.so, in this case this
means clock_gettime(CLOCK_MONOTONIC, &mt).
We were in need to build curl which doesn't link libpthread.so to avoid
the following bug:
https://sourceware.org/bugzilla/show_bug.cgi?id=16628.
Jay Satiro [Wed, 22 Jul 2015 05:52:17 +0000 (01:52 -0400)]
Windows: Fix VerifyVersionInfo calls
- Fix the VerifyVersionInfo calls, which we use to test for the OS major
version, to also test for the minor version as well as the service pack
major and minor versions.
MSDN: "If you are testing the major version, you must also test the
minor version and the service pack major and minor versions."
Jay Satiro [Fri, 17 Jul 2015 06:40:16 +0000 (02:40 -0400)]
SSL: Add an option to disable certificate revocation checks
New tool option --ssl-no-revoke.
New value CURLSSLOPT_NO_REVOKE for CURLOPT_SSL_OPTIONS.
Currently this option applies only to WinSSL where we have automatic
certificate revocation checking by default. According to the
ssl-compared chart there are other backends that have automatic checking
(NSS, wolfSSL and DarwinSSL) so we could possibly accommodate them at
some later point.
David Woodhouse [Thu, 16 Jul 2015 18:17:33 +0000 (14:17 -0400)]
ntlm_wb: Fix theoretical memory leak
Static analysis indicated that my commit 9008f3d564 ("ntlm_wb: Fix
hard-coded limit on NTLM auth packet size") introduced a potential
memory leak on an error path, because we forget to free the buffer
before returning an error.
Fix this.
Although actually, it never happens in practice because we never *get*
here with state == NTLMSTATE_TYPE1. The state is always zero. That
might want cleaning up in a separate patch.
libtest: call PR_Cleanup() on exit if NSPR is used
This prevents valgrind from reporting possibly lost memory that NSPR
uses for file descriptor cache and other globally allocated internal
data structures.
http2: Harden header validation for curl_pushheader_byname
Since we do prefix match using given header by application code
against header name pair in format "NAME:VALUE", and VALUE part can
contain ":", we have to careful about existence of ":" in header
parameter. ":" should be allowed to match HTTP/2 pseudo-header field,
and other use of ":" in header must be treated as error, and
curl_pushheader_byname should return NULL. This commit implements
this behaviour.
Jay Satiro [Sat, 20 Jun 2015 22:45:25 +0000 (18:45 -0400)]
INSTALL: Advise use of non-native SSL for Windows <= XP
Advise that WinSSL in versions <= XP will not be able to connect to
servers that no longer support the legacy handshakes and algorithms used
by those versions, and to use an alternate backend like OpenSSL instead.
Jay Satiro [Thu, 18 Jun 2015 23:35:04 +0000 (19:35 -0400)]
cookie: Fix bug in export if any-domain cookie is present
In 3013bb6 I had changed cookie export to ignore any-domain cookies,
however the logic I used to do so was incorrect, and would lead to a
busy loop in the case of exporting a cookie list that contained
any-domain cookies. The result of that is worse though, because in that
case the other cookies would not be written resulting in an empty file
once the application is terminated to stop the busy loop.
Paul Howarth [Wed, 17 Jun 2015 14:53:34 +0000 (16:53 +0200)]
openssl: Fix build with openssl < ~ 0.9.8f
The symbol SSL3_MT_NEWSESSION_TICKET appears to have been introduced at
around openssl 0.9.8f, and the use of it in lib/vtls/openssl.c breaks
builds with older openssls (certainly with 0.9.8b, which is the latest
older version I have to try with).
Daniel Stenberg [Tue, 16 Jun 2015 22:30:06 +0000 (00:30 +0200)]
FTP: do the HTTP CONNECT for data connection blocking
** WORK-AROUND **
The introduced non-blocking general behaviour for Curl_proxyCONNECT()
didn't work for the data connection establishment unless it was very
fast. The newly introduced function argument makes it operate in a more
blocking manner, more like it used to work in the past. This blocking
approach is only used when the FTP data connecting through HTTP proxy.
Blocking like this is bad. A better fix would make it work more
asynchronously.
Jay Satiro [Wed, 17 Jun 2015 04:17:03 +0000 (00:17 -0400)]
schannel: schannel_recv overhaul
This commit is several drafts squashed together. The changes from each
draft are noted below. If any changes are similar and possibly
contradictory the change in the latest draft takes precedence.
Bug: https://github.com/bagder/curl/issues/244 Reported-by: Chris Araman
%%
%% Draft 1
%%
- return 0 if len == 0. that will have to be documented.
- continue on and process the caches regardless of raw recv
- if decrypted data will be returned then set the error code to CURLE_OK
and return its count
- if decrypted data will not be returned and the connection has closed
(eg nread == 0) then return 0 and CURLE_OK
- if decrypted data will not be returned and the connection *hasn't*
closed then set the error code to CURLE_AGAIN --only if an error code
isn't already set-- and return -1
- narrow the Win2k workaround to only Win2k
%%
%% Draft 2
%%
- Trying out a change in flow to handle corner cases.
%%
%% Draft 3
%%
- Back out the lazier decryption change made in draft2.
%%
%% Draft 4
%%
- Some formatting and branching changes
- Decrypt all encrypted cached data when len == 0
- Save connection closed state
- Change special Win2k check to use connection closed state
%%
%% Draft 5
%%
- Default to CURLE_AGAIN in cleanup if an error code wasn't set and the
connection isn't closed.
%%
%% Draft 6
%%
- Save the last error only if it is an unrecoverable error.
Prior to this I saved the last error state in all cases; unfortunately
the logic to cover that in all cases would lead to some muddle and I'm
concerned that could then lead to a bug in the future so I've replaced
it by only recording an unrecoverable error and that state will persist.
- Do not recurse on renegotiation.
Instead we'll continue on to process any trailing encrypted data
received during the renegotiation only.
- Move the err checks in cleanup after the check for decrypted data.
In either case decrypted data is always returned but I think it's easier
to understand when those err checks come after the decrypted data check.
%%
%% Draft 7
%%
- Regardless of len value go directly to cleanup if there is an
unrecoverable error or a close_notify was already received. Prior to
this change we only acknowledged those two states if len != 0.
- Fix a bug in connection closed behavior: Set the error state in the
cleanup, because we don't know for sure it's an error until that time.
- (Related to above) In the case the connection is closed go "greedy"
with the decryption to make sure all remaining encrypted data has been
decrypted even if it is not needed at that time by the caller. This is
necessary because we can only tell if the connection closed gracefully
(close_notify) once all encrypted data has been decrypted.
- Do not renegotiate when an unrecoverable error is pending.
%%
%% Draft 8
%%
- Don't show 'server closed the connection' info message twice.
- Show an info message if server closed abruptly (missing close_notify).
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