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Daniel Stenberg (14 May 2010)
- John-Mark Bell filed bug #3000052 that identified a problem (with an
associated patch) with the OpenSSL handshake state machine when the multi
interface is used:
Performing an https request using a curl multi handle and using select or
epoll to wait for events results in a hang. It appears that the cause is the
fix for bug #2958179, which makes ossl_connect_common unconditionally return
from the step 2 loop when fetching from a multi handle.
When ossl_connect_step2 has completed, it updates connssl->connecting_state
to ssl_connect_3. ossl_connect_common will then return to the caller, as a
multi handle is in use. Eventually, the client code will call
curl_multi_fdset to obtain an updated fdset to select or epoll on. For https
requests, curl_multi_fdset will cause https_getsock to be called.
https_getsock will only return a socket handle if the connecting_state is
ssl_connect_2_reading or ssl_connect_2_writing. Therefore, the client will
never obtain a valid fdset, and thus not drive the multi handle, resulting
in a hang.
(http://curl.haxx.se/bug/view.cgi?id=3000052)
- Sebastian V reported bug #3000056 identifying a problem with redirect
following. It showed that when curl followed redirects it didn't properly
ignore the response body of the 30X response if that response was using
compressed Content-Encoding!
(http://curl.haxx.se/bug/view.cgi?id=3000056)
Daniel Stenberg (12 May 2010)
- Howard Chu brought support for RTMP. This is powered by the underlying
librtmp library. It supports a range of variations and "sub-protocols"
within the RTMP family.
- Pavel Raiskup brought support for FTP directory wildcard matching to allow
selective downloading. To provide that, a set of new options were added:
CURLOPT_WILDCARDMATCH
CURLOPT_CHUNK_BGN_FUNCTION
CURLOPT_CHUNK_END_FUNCTION
CURLOPT_CHUNK_DATA
CURLOPT_FNMATCH_FUNCTION
There were also a set of new tests added (574 - 577) to verify this.
Kamil Dudka (11 May 2010)
- CRL support in libcurl-NSS has been completely broken. Now it works. Original
bug report: https://bugzilla.redhat.com/581926
- Dirk Manske reported a regression. When connecting with the multi interface,
there were situations where libcurl wouldn't store connect time correctly as
it used to (and is documented to) do.
Using his fine sample program we could repeat it, and I wrote up test case
573 using that code. The problem does not easily show itself using the local
test suite though.
The fix, also as suggested by Dirk, is a bit on the ugly side as it adds yet
another call to Curl_verboseconnect() and setting the TIMER_CONNECT time.
That situation is subject for some closer inspection in the future.
- Howard Chu split the I/O handling functions into private handlers.
Howard Chu brought the bulk work of this patch that properly moves out the
sending and recving of data to the parts of the code that are properly
responsible for the various ways of doing so.
Daniel Stenberg assisted with polishing a few bits and fixed some minor
flaws in the original patch.
Another upside of this patch is that we now abuse CURLcodes less with the
"magic" -1 return codes and instead use CURLE_AGAIN more consistently.
Daniel Stenberg (5 May 2010)
- Hoi-Ho Chan introduced support for using the PolarSSL library. You control
this with the new configure option --with-polarssl.
Daniel Stenberg (29 Apr 2010)
- Ben Greear made telnet a lot better/easier to use by an application:
The main change is to allow input from user-specified methods, when they are
specified with CURLOPT_READFUNCTION. All calls to fflush(stdout) in
telnet.c were removed, which makes using 'curl telnet://foo.com' painful
since prompts and other data are not always returned to the user promptly.
Use 'curl --no-buffer telnet://foo.com' instead. In general, the user
should have their CURLOPT_WRITEFUNCTION do a fflush for interactive use.
Also fix assumption that reading from stdin never returns < 0.
Old code could crash in that case.
Call progress functions in telnet main loop.
Daniel Stenberg (26 Apr 2010)
- Make use of the libssh2_init/exit functions that libssh2 added in version
1.2.5. Using them will improve how libcurl works in threaded situations when
SCP and SFTP are transfered.
Daniel Stenberg (25 Apr 2010)
- Based on work by Kamil Dudka, I've introduced the new configure option
--enable-threaded-resolver. When used, the configure script will check for
pthreads and if around, it will build libcurl to use pthreads to do name
resolving in a threaded manner. Note that this is just a fix to offer an
option that can enable the code that already included. The threader resolver
code was mostly added on Jan 26 2010.
Daniel Stenberg (24 Apr 2010)
- Alex Bligh introduced the --proto and -proto-redir options that limit what
protocols curl accepts for the requests and when following redirects.
Kamil Dudka (24 Apr 2010)
- Fixed test536 in order to not fail with threaded DNS resolver and tweaked
comments in certain examples using curl_multi_fdset().
- Fixed SSL handshake timeout underflow in libcurl-NSS, which caused test405
to hang on a slow machine.
Daniel Stenberg (21 Apr 2010)
- The -O option caused curl to crash on windows and DOS due to the tool
writing out of boundary memory.
Yang Tse (20 Apr 2010)
- Ruslan Gazizov detected that MSVC makefiles were using wsock32.lib instead
of ws2_32.lib, this generated linking issues on MSVC IPv6 enabled builds
that were done using those makefiles.
Daniel Stenberg (19 Apr 2010)
- -J/--remote-header-name didn't strip trailing carriage returns or linefeeds
properly, so they could be used in the file name.
Daniel Stenberg (16 Apr 2010)
- Jerome Vouillon made the GnuTLS SSL handshake phase non-blocking.
- The recent overhaul of the SSL recv function made the GnuTLS specific code
treat a zero returned from gnutls_record_recv() as an error, and this caused
our HTTPS test cases to fail. We leave it to upper layer code to detect if
an EOF is a problem or not.
- I reverted the resolver fix from yesterday and instead removed all uses of
AI_CANONNAME all over libcurl and made the only user of that info (krb5.c)
use the host name from the URL instead. No reverse resolving is a good
thing.
- Paul Howarth made configure properly detect GSS "on ancient Linux distros"
by editing in which order we use headers to detect GSS.
Daniel Stenberg (15 Apr 2010)
- Rainer Canavan filed bug report #2987196 that identified libcurl doing
unnecesary reverse name lookups in many cases when built to use IPv4 and
getaddrinfo(). The logic for ipv6 is now used for ipv4 too.
(http://curl.haxx.se/bug/view.cgi?id=2963679)
Daniel Stenberg (9 Apr 2010)
- Prefixing the FTP quote commands with an asterisk really only worked for the
postquote actions. This is now fixed and test case 227 has been extended to
verify.
Kamil Dudka (4 Apr 2010)
- Eliminated a race condition in Curl_resolv_timeout().
- Refactorized interface of Curl_ssl_recv()/Curl_ssl_send().
- libcurl-NSS now provides more accurate messages and error codes in case of
client certificate problem. Either during connection, or transfer phase.
Daniel Stenberg (1 Apr 2010)
- Matt Wixson found and fixed a bug in the SCP/SFTP area where the code
treated a 0 return code from libssh2 to be the same as EAGAIN while in
reality it isn't. The problem caused a hang in SFTP transfers from a
MessageWay server.
Daniel Stenberg (28 Mar 2010)
- Ben Greear: If you pass a URL to pop3 that does not contain a message ID as
part of the URL, it would previously ask for 'INBOX' which just causes the
pop3 server to return an error.
Now libcurl treats en empty message ID as a request for LIST (list of pop3
message IDs). User's code could then parse this and download individual
messages as desired.
Daniel Stenberg (27 Mar 2010)
- Ben Greear brought a patch that from now on allows all protocols to specify
name and user within the URL, in the same manner HTTP and FTP have been
allowed to in the past - although far from all of the libcurl supported
protocls actually have that feature in their URL definition spec.
Daniel Stenberg (26 Mar 2010)
- Ben Greear brought code that makes the rate limiting code for the easy
interface a bit smoother as it introduces sub-second sleeps during it and it
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