846 строки
37 KiB
Plaintext
846 строки
37 KiB
Plaintext
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Changelog
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Daniel (9 October 2006)
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- Bogdan Nicula's second test case (posted Sun, 08 Oct 2006) converted to test
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case 535 and it now runs fine. Again a problem with the pipelining code not
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taking all possible (error) conditions into account.
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Daniel (6 October 2006)
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- Bogdan Nicula's hanging test case (posted Wed, 04 Oct 2006) was converted to
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test case 533 and the test now runs fine.
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Daniel (4 October 2006)
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- Dmitriy Sergeyev provided an example source code that crashed CVS libcurl
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but that worked nicely in 7.15.5. I converted it into test case 532 and
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fixed the problem.
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Daniel (29 September 2006)
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- Removed a few other no-longer present options from the header file.
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- Support for FTP third party transfers was removed. Here's why:
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o The recent multi interface changes broke it and the design of the 3rd party
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transfers made it very hard to fix the problems
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o It was still blocking and thus nasty for the multi interface
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o It was a lot of extra code for a very rarely used feature
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o It didn't use the same code as for "plain" FTP transfers, so it didn't work
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fine for IPv6 and it didn't properly re-use connections and more
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o There's nobody around who's willing to work on and improve the existing
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code
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This does not mean that third party transfers are banned forever, only that
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they need to be done better if they are to be re-added in the future.
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The CURLOPT_SOURCE_* options are removed from the lib and so are the --3p*
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options from the command line tool. For this reason, I also bumped the
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version info for the lib.
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Daniel (28 September 2006)
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- Reported in #1561470 (http://curl.haxx.se/bug/view.cgi?id=1561470), libcurl
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would crash if a bad function sequence was used when shutting down after
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using the multi interface (i.e using easy_cleanup after multi_cleanup) so
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precautions have been added to make sure it doesn't any more - test case 529
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was added to verify.
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Daniel (27 September 2006)
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- The URL in the cookie jar file is now changed since it was giving a 404.
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Reported by Timothy Stone. The new URL will take the visitor to a curl web
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site mirror with the document.
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Daniel (24 September 2006)
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- Bernard Leak fixed configure --with-gssapi-libs.
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- Cory Nelson made libcurl use the WSAPoll() function if built for Windows
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Vista (_WIN32_WINNT >= 0x0600)
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Daniel (23 September 2006)
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- Mike Protts added --ftp-ssl-control to make curl use FTP-SSL, but only
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encrypt the control connection and use the data connection "plain".
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- Dmitriy Sergeyev provided a patch that made the SOCKS[45] code work better
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as it now will read the full data sent from servers. The SOCKS-related code
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was also moved to the new lib/socks.c source file.
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Daniel (21 September 2006)
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- Added test case 531 in an attempt to repeat bug report #1561470
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(http://curl.haxx.se/bug/view.cgi?id=1561470) that is said to crash when an
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FTP upload fails with the multi interface. It did not, but I made a failed
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upload still assume the control connection to be fine.
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Daniel (20 September 2006)
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- Armel Asselin fixed problems when you gave a proxy URL with user name and
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empty password or no password at all. Test case 278 and 279 were added to
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verify.
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Daniel (12 September 2006)
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- Added docs/examples/10-at-a-time.c by Michael Wallner
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- Added docs/examples/hiperfifo.c by Jeff Pohlmeyer
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Daniel (11 September 2006)
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- Fixed my breakage from earlier today so that doing curl_easy_cleanup() on a
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handle that is part of a multi handle first removes the handle from the
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stack.
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- Added CURLOPT_SSL_SESSIONID_CACHE and --no-sessionid to disable SSL
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session-ID re-use on demand since there obviously are broken servers out
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there that misbehave with session-IDs used.
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- Jeff Pohlmeyer presented a *multi_socket()-using program that exposed a
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problem with it (SIGSEGV-style). It clearly showed that the existing
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socket-state and state-difference function wasn't good enough so I rewrote
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it and could then re-run Jeff's program without any crash. The previous
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version clearly could miss to tell the application when a handle changed
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from using one socket to using another.
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While I was at it (as I could use this as a means to track this problem
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down), I've now added a 'magic' number to the easy handle struct that is
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inited at curl_easy_init() time and cleared at curl_easy_cleanup() time that
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we can use internally to detect that an easy handle seems to be fine, or at
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least not closed or freed (freeing in debug builds fill the area with 0x13
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bytes but in normal builds we can of course not assume any particular data
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in the freed areas).
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Daniel (9 September 2006)
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- Michele Bini fixed how the hostname is put in NTLM packages. As servers
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don't expect fully qualified names we need to cut them off at the first dot.
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- Peter Sylvester cleaned up and fixed the getsockname() uses in ftp.c. Some
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of them can be completetly removed though...
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Daniel (6 September 2006)
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- Ravi Pratap and I have implemented HTTP Pipelining support. Enable it for a
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multi handle using CURLMOPT_PIPELINING and all HTTP connections done on that
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handle will be attempted to get pipelined instead of done in parallell as
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they are performed otherwise.
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As a side-effect from this work, connections are now shared between all easy
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handles within a multi handle, so if you use N easy handles for transfers,
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each of them can pick up and re-use a connection that was previously used by
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any of the handles, be it the same or one of the others.
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This separation of the tight relationship between connections and easy
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handles is most noticable when you close easy handles that have been used in
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a multi handle and check amount of used memory or watch the debug output, as
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there are times when libcurl will keep the easy handle around for a while
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longer to be able to close it properly. Like for sending QUIT to close down
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an FTP connection.
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This is a major change.
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Daniel (4 September 2006)
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- Dmitry Rechkin (http://curl.haxx.se/bug/view.cgi?id=1551412) provided a
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patch that while not fixing things very nicely, it does make the SOCKS5
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proxy connection slightly better as it now acknowledges the timeout for
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connection and it no longer segfaults in the case when SOCKS requires
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authentication and you did not specify username:password.
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Daniel (31 August 2006)
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- Dmitriy Sergeyev found and fixed a multi interface flaw when using asynch
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name resolves. It could get stuck in the wrong state.
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Gisle (29 August 2006)
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- Added support for other MS-DOS compilers (desides djgpp). All MS-DOS
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compiler now uses the same config.dos file (renamed to config.h by
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make). libcurl now builds fine using Watcom and Metaware's High-C
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using the Watt-32 tcp/ip-stack.
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Daniel (29 August 2006)
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- David McCreedy added CURLOPT_SOCKOPTFUNCTION and CURLOPT_SOCKOPTDATA to
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allow applications to set their own socket options.
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Daniel (25 August 2006)
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- Armel Asselin reported that the 'running_handles' counter wasn't updated
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properly if you removed a "live" handle from a multi handle with
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curl_multi_remove_handle().
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Daniel (22 August 2006)
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- David McCreedy fixed a remaining mistake from the August 19 TYPE change.
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- Peter Sylvester pointed out a flaw in the AllowServerConnect() in the FTP
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code when doing pure ipv6 EPRT connections.
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Daniel (19 August 2006)
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- Based on a patch by Armel Asselin, the FTP code no longer re-issues the TYPE
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command on subsequent requests on a re-used connection unless it has to.
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- Armel Asselin fixed a crash in the FTP code when using SINGLECWD mode and
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files in the root directory.
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- Andrew Biggs pointed out a "Expect: 100-continue" flaw where libcurl didn't
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send the whole request at once, even though the Expect: header was disabled
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by the application. An effect of this change is also that small (< 1024
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bytes) POSTs are now always sent without Expect: header since we deem it
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more costly to bother about that than the risk that we send the data in
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vain.
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Daniel (9 August 2006)
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- Armel Asselin made the CURLOPT_PREQUOTE option work fine even when
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CURLOPT_NOBODY is set true. PREQUOTE is then run roughly at the same place
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in the command sequence as it would have run if there would've been a
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transfer.
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Daniel (8 August 2006)
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- Fixed a flaw in the "Expect: 100-continue" treatment. If you did two POSTs
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on a persistent connection and allowed the first to use that header, you
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could not disable it for the second request.
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Daniel (7 August 2006)
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- Domenico Andreolfound a quick build error which happened because
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src/config.h.in was not a proper duplcate of lib/config.h.in which it
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should've been and this was due to the maketgz script not doing the cp
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properly.
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Version 7.15.5 (7 August 2006)
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Daniel (2 August 2006)
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- Mark Lentczner fixed how libcurl was not properly doing chunked encoding
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if the header "Transfer-Encoding: chunked" was set by the application.
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http://curl.haxx.se/bug/view.cgi?id=1531838
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Daniel (1 August 2006)
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- Maciej Karpiuk fixed a crash that would occur if we passed Curl_strerror()
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an unknown error number on glibc systems.
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http://curl.haxx.se/bug/view.cgi?id=1532289
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Daniel (31 July 2006)
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- *ALERT* curl_multi_socket() and curl_multi_socket_all() got modified
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prototypes: they both now provide the number of running handles back to the
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calling function. It makes the functions resemble the good old
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curl_multi_perform() more and provides a nice way to know when the multi
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handle goes empty.
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ALERT2: don't use the curl_multi_socket*() functionality in anything
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production-like until I say it's somewhat settled, as I suspect there might
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be some further API changes before I'm done...
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Daniel (28 July 2006)
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- Yves Lejeune fixed so that replacing Content-Type: when doing multipart
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formposts work exactly the way you want it (and the way you'd assume it
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works).
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Daniel (27 July 2006)
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- David McCreedy added --ftp-ssl-reqd which makes curl *require* SSL for both
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control and data connection, as the existing --ftp-ssl option only requests
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it.
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- [Hiper-related work] Added a function called curl_multi_assign() that will
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set a private pointer added to the internal libcurl hash table for the
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particular socket passed in to this function:
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CURLMcode curl_multi_assign(CURLM *multi_handle,
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curl_socket_t sockfd,
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void *sockp);
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'sockp' being a custom pointer set by the application to be associated with
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this socket. The socket has to be already existing and in-use by libcurl,
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like having already called the callback telling about its existance.
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The set hashp pointer will then be passed on to the callback in upcoming
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calls when this same socket is used (in the brand new 'socketp' argument).
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Daniel (26 July 2006)
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- Dan Nelson added the CURLOPT_FTP_ALTERNATIVE_TO_USER libcurl option and curl
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tool option named --ftp-alternative-to-user. It provides a mean to send a
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particular command if the normal USER/PASS approach fails.
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- Michael Jerris added magic that builds lib/curllib.vcproj automatically for
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newer MSVC.
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Daniel (25 July 2006)
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- Georg Horn made the transfer timeout error message include more details.
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Daniel (20 July 2006)
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- David McCreedy fixed a build error when building libcurl with HTTP disabled,
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problem added with the curl_formget() patch.
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Daniel (17 July 2006)
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- Jari Sundell did some excellent research and bug tracking, figured out that
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we did wrong and patched it: When nodes were removed from the splay tree,
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and we didn't properly remove it from the splay tree when an easy handle was
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removed from a multi stack and thus we could wrongly leave a node in the
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splay tree pointing to (bad) memory.
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Daniel (14 July 2006)
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- David McCreedy fixed a flaw where the CRLF counter wasn't properly cleared
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for FTP ASCII transfers.
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Daniel (8 July 2006)
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- Ates Goral pointed out that libcurl's cookie parser did case insensitive
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string comparisons on the path which is incorrect and provided a patch that
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fixes this. I edited test case 8 to include details that test for this.
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- Ingmar Runge provided a source snippet that caused a crash. The reason for
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the crash was that libcurl internally was a bit confused about who owned the
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DNS cache at all times so if you created an easy handle that uses a shared
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DNS cache and added that to a multi handle it would crash. Now we keep more
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careful internal track of exactly what kind of DNS cache each easy handle
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uses: None, Private (allocated for and used only by this single handle),
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Shared (points to a cache held by a shared object), Global (points to the
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global cache) or Multi (points to the cache within the multi handle that is
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automatically shared between all easy handles that are added with private
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caches).
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Daniel (4 July 2006)
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- Toshiyuki Maezawa fixed a problem where you couldn't override the
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Proxy-Connection: header when using a proxy and not doing CONNECT.
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Daniel (24 June 2006)
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- Michael Wallner added curl_formget(), which allows an application to extract
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(serialise) a previously built formpost (as with curl_formadd()).
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Daniel (23 June 2006)
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- Arve Knudsen found a flaw in curl_multi_fdset() for systems where
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curl_socket_t is unsigned (like Windows) that could cause it to wrongly
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return a max fd of -1.
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Daniel (20 June 2006)
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- Peter Silva introduced CURLOPT_MAX_SEND_SPEED_LARGE and
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CURLOPT_MAX_RECV_SPEED_LARGE that limit tha maximum rate libcurl is allowed
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to send or receive data. This kind of adds the the command line tool's
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option --limit-rate to the library.
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The rate limiting logic in the curl app is now removed and is instead
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provided by libcurl itself. Transfer rate limiting will now also work for -d
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and -F, which it didn't before.
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Daniel (19 June 2006)
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- Made -K on a file that couldn't be read cause a warning to be displayed.
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Daniel (13 June 2006)
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- Dan Fandrich implemented --enable-hidden-symbols configure option to enable
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-fvisibility=hidden on gcc >= 4.0. This reduces the size of the libcurl
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binary and speeds up dynamic linking by hiding all the internal symbols from
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the symbol table.
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Version 7.15.4 (12 June 2006)
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Daniel (8 June 2006)
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- Brian Dessent fixed the code for cygwin in three distinct ways:
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The first modifies {lib,src}/setup.h to not include the winsock headers
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under Cygwin. This fixes the reported build problem. Cygwin attempts as
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much as possible to emulate a posix environment under Windows. This means
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that WIN32 is *not* #defined and (to the extent possible) everything is done
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as it would be on a *ix type system. Thus <sys/socket.h> is the proper
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include, and even though winsock2.h is present, including it just introduces
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a whole bunch of incompatible socket API stuff.
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The second is a patch I've included in the Cygwin binary packages for a
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while. It skips two unnecessary library checks (-lwinmm and -lgdi32). The
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checks are innocuous and they do succeed, but they pollute LIBS with
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unnecessary stuff which gets recorded as such in the libcurl.la file, which
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brings them into the build of any libcurl-downstream. As far as I know
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these libs are really only necessary for mingw, so alternatively they could
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be designed to only run if $host matches *-*-mingw* but I took the safer
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route of skipping them for *-*-cygwin*.
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The third patch replaces all uses of the ancient and obsolete __CYGWIN32__
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with __CYGWIN__. Ref: <http://cygwin.com/ml/cygwin/2003-09/msg01520.html>.
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Daniel (7 June 2006)
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- Mikael Sennerholm provided a patch that added NTLM2 session response support
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to libcurl. The 21 NTLM test cases were again modified to comply...
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Daniel (27 May 2006)
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- <20>scar Morales Viv<69> updated the libcurl.framework.make file.
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Daniel (26 May 2006)
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- Olaf St<53>ben fixed a bug that caused Digest authentication with md5-sess to
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fail. When using the md5-sess, the result was not Md5 encoded and Base64
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transformed.
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Daniel (25 May 2006)
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- Michael Wallner provided a patch that allows "SESS" to be set with
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CURLOPT_COOKIELIST, which then makes all session cookies get cleared.
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Daniel (24 May 2006)
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- Tor Arntsen made test 271 run fine again since the TFTP path fix.
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Daniel (23 May 2006)
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- Martin Michlmayr filed debian bug report #367954, but the same error also
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showed up in the autobuilds. It seems a rather long-since introduced shell
|
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script flaw in the configure script suddenly was detected by the bash
|
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version in Debian Unstable. It had previously passed undetected by all
|
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shells used so far...
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- David McCreedy updated lib/config-tpf.h
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Daniel (11 May 2006)
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||
- Fixed the configure's check for old-style SSLeay headers since I fell over a
|
||
case with a duplicate file name (a krb4 implementation with an err.h
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file). I converted the check to manually make sure three of the headers are
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present before considering them fine.
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- David McCreedy provided a fix for CURLINFO_LASTSOCKET that does extended
|
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checks on the to-be-returned socket to make sure it truly seems to be alive
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and well. For SSL connection it (only) uses OpenSSL functions.
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Daniel (10 May 2006)
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||
- Fixed DICT in two aspects:
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1 - allow properly URL-escaped words, like using %20 for spaces
|
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2 - properly escape certain letters within a word to comply to the RFC2229
|
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|
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Daniel (9 May 2006)
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- Andreas Ntaflos reported a bug in libcurl.m4: When configuring my GNU
|
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autotools project, which optionally (default=yes) uses libcurl on a system
|
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without a (usable) libcurl installation, but not specifying
|
||
`--without-libcurl', configure determines correctly that no libcurl is
|
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available, however, the LIBCURL variable gets expanded to `LIBCURL = -lcurl'
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in the resulting Makefiles.
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|
||
David Shaw fixed the flaw.
|
||
|
||
- Robson Braga Araujo fixed two problems in the recently added non-blocking SSL
|
||
connects. The state machine was not reset properly so that subsequent
|
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connects using the same handle would fail, and there were two memory leaks.
|
||
|
||
- Robson Braga Araujo fixed a memory leak when you added an easy handle to a
|
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multi stack and that easy handle had already been used to do one or more
|
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easy interface transfers, as then the code threw away the previously used
|
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DNS cache without properly freeing it.
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Daniel (8 May 2006)
|
||
- Dan Fandrich went over the TFTP code and he pointed out and fixed numerous
|
||
problems:
|
||
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* The received file is corrupted when a packet is lost and retransmitted
|
||
(this is a serious problem!)
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* Transmitting a file aborts if a block is lost and retransmitted
|
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|
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* Data is stored in the wrong location in the buffer for uploads, so uploads
|
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always fail (I don't see how it could have ever worked, but it did on x86
|
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at least)
|
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|
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* A number of calls are made to strerror instead of Curl_strerror, making
|
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the code not thread safe
|
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|
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* There are references to errno instead of Curl_sockerrno(), causing
|
||
incorrect error messages on Windows
|
||
|
||
* The file name includes a leading / which violates RFC3617. Doing something
|
||
similar to ftp, where two slashes after the host name means an absolute
|
||
reference seems a reasonable extension to fix this.
|
||
|
||
* Failures in EBCDIC conversion are not propagated up to the caller but are
|
||
silently ignored
|
||
|
||
- Fixed known bug #28. The TFTP code no longer assumes a packed struct and
|
||
thus works reliably on more platforms.
|
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|
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Daniel (5 May 2006)
|
||
- Roland Blom filed bug report #1481217
|
||
(http://curl.haxx.se/bug/view.cgi?id=1481217), with follow-ups by Michele
|
||
Bini and David Byron. libcurl previously wrongly used GetLastError() on
|
||
windows to get error details after socket-related function calls, when it
|
||
really should use WSAGetLastError() instead.
|
||
|
||
When changing to this, the former function Curl_ourerrno() is now instead
|
||
called Curl_sockerrno() as it is necessary to only use it to get errno from
|
||
socket-related functions as otherwise it won't work as intended on Windows.
|
||
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Daniel (4 May 2006)
|
||
- Mark Eichin submitted bug report #1480821
|
||
(http://curl.haxx.se/bug/view.cgi?id=1480821) He found and identified a
|
||
problem with how libcurl dealt with GnuTLS and a case where gnutls returned
|
||
GNUTLS_E_AGAIN indicating it would block. It would then return an unexpected
|
||
return code, making Curl_ssl_send() confuse the upper layer - causing random
|
||
28 bytes trash data to get inserted in the transfered stream.
|
||
|
||
The proper fix was to make the Curl_gtls_send() function return the proper
|
||
return codes that the callers would expect. The Curl_ossl_send() function
|
||
already did this.
|
||
|
||
Daniel (2 May 2006)
|
||
- Added a --checkfor option to curl-config to allow users to easier
|
||
write for example shell scripts that test for the presence of a
|
||
new-enough libcurl version. If --checkfor is given a version string
|
||
newer than what is currently installed, curl-config will return a
|
||
non-zero exit code and output a string about the unfulfilled
|
||
requirement.
|
||
|
||
Daniel (26 April 2006)
|
||
- David McCreedy brought initial line end conversions when doing FTP ASCII
|
||
transfers. They are done on non-windows systems and translate CRLF to LF.
|
||
|
||
I modified the 15 LIST-using test cases accordingly. The downside is that now
|
||
we'll have even more trouble to get the tests to run on Windows since they
|
||
should get CRLF newlines left intact which the *nix versions don't. I figure
|
||
the only sane thing to do is to add some kind of [newline] macro for the test
|
||
case files and have them expanded to the proper native line ending when the
|
||
test cases are run. This is however left to implement.
|
||
|
||
Daniel (25 April 2006)
|
||
- Paul Querna fixed libcurl to better deal with deflate content encoding
|
||
when the stream (wrongly) lacks a proper zlib header. This seems to be the
|
||
case on too many actual server implementations.
|
||
|
||
Daniel (21 April 2006)
|
||
- Ale Vesely fixed CURLOPT_INTERFACE when using a hostname.
|
||
|
||
Daniel (19 April 2006)
|
||
- Based on previous info from Tor Arntsen, I made configure detect the Intel
|
||
ICC compiler to add a compiler option for it, in order for configure to
|
||
properly be able to detect function prototypes.
|
||
|
||
- Robson Braga Araujo provided a patch that makes libcurl less eager to close
|
||
the control connection when using FTP, for example when you remove an easy
|
||
handle from a multi stack.
|
||
|
||
- Applied a patch by Ates Goral and Katie Wang that corrected my bad fix
|
||
attempt from April 10.
|
||
|
||
Daniel (11 April 2006)
|
||
- #1468330 (http://curl.haxx.se/bug/view.cgi?id=1468330) pointed out a bad
|
||
typecast in the curl tool leading to a crash with (64bit?) VS2005 (at least)
|
||
since the struct timeval field tv_sec is an int while time_t is 64bit.
|
||
|
||
Daniel (10 April 2006)
|
||
- Ates Goral found out that if you specified both CURLOPT_CONNECTTIMEOUT and
|
||
CURLOPT_TIMEOUT, the _longer_ time would wrongly be used for the SSL
|
||
connection time-out!
|
||
|
||
- I merged my hiper patch (http://curl.haxx.se/libcurl/hiper/) into the main
|
||
sources. See the lib/README.multi_socket for implementation story with
|
||
details. Don't expect it to work fully yet. I don't intend to blow any
|
||
whistles or ring any bells about it until I'm more convinced it works at
|
||
least somewhat reliably.
|
||
|
||
Daniel (7 April 2006)
|
||
- David McCreedy's EBCDIC and TPF changes. Three new curl_easy_setopt()
|
||
options (callbacks) were added:
|
||
|
||
CONV_FROM_NETWORK_FUNCTION
|
||
CONV_TO_NETWORK_FUNCTION
|
||
CONV_FROM_UTF8_FUNCTION
|
||
|
||
Daniel (5 April 2006)
|
||
- Michele Bini modified the NTLM code to work for his "weird IIS case"
|
||
(http://curl.haxx.se/mail/lib-2006-02/0154.html) by adding the NTLM hash
|
||
function in addition to the LM one and making some other adjustments in the
|
||
order the different parts of the data block are sent in the Type-2 reply.
|
||
Inspiration for this work was taken from the Firefox NTLM implementation.
|
||
|
||
I edited the existing 21(!) NTLM test cases to run fine with these news. Due
|
||
to the fact that we now properly include the host name in the Type-2 message
|
||
the test cases now only compare parts of that chunk.
|
||
|
||
Daniel (28 March 2006)
|
||
- #1451929 (http://curl.haxx.se/bug/view.cgi?id=1451929) detailed a bug that
|
||
occurred when asking libcurl to follow HTTP redirects and the original URL
|
||
had more than one question mark (?). Added test case 276 to verify.
|
||
|
||
Daniel (27 March 2006)
|
||
- David Byron found a problem multiple -d options when libcurl was built with
|
||
--enable-debug, as then curl used free() on memory allocated both with
|
||
normal malloc() and with libcurl-provided functions, when the latter MUST be
|
||
freed with curl_free() in debug builds.
|
||
|
||
Daniel (26 March 2006)
|
||
- Tor Arntsen figured out that TFTP was broken on a lot of systems since we
|
||
called bind() with a too big argument in the 3rd parameter and at least
|
||
Tru64, AIX and IRIX seem to be very picky about it.
|
||
|
||
Daniel (21 March 2006)
|
||
- David McCreedy added CURLINFO_FTP_ENTRY_PATH.
|
||
|
||
- Xavier Bouchoux made the SSL connection non-blocking for the multi interface
|
||
(when using OpenSSL).
|
||
|
||
- Tor Arntsen fixed the AIX Toolbox RPM spec
|
||
|
||
Daniel (20 March 2006)
|
||
- David McCreedy fixed libcurl to no longer ignore AUTH failures and now it
|
||
reacts properly according to the CURLOPT_FTP_SSL setting.
|
||
|
||
- Dan Fandrich fixed two TFTP problems: Fixed a bug whereby a received file
|
||
whose length was a multiple of 512 bytes could have random garbage
|
||
appended. Also, stop processing TFTP packets which are too short to be
|
||
legal.
|
||
|
||
- Ilja van Sprundel reported a possible crash in the curl tool when using
|
||
"curl hostwithoutslash -d data -G"
|
||
|
||
Version 7.15.3 (20 March 2006)
|
||
|
||
Daniel (20 March 2006)
|
||
- VULNERABILITY reported to us by Ulf Harnhammar.
|
||
|
||
libcurl uses the given file part of a TFTP URL in a manner that allows a
|
||
malicious user to overflow a heap-based memory buffer due to the lack of
|
||
boundary check.
|
||
|
||
This overflow happens if you pass in a URL with a TFTP protocol prefix
|
||
("tftp://"), using a valid host and a path part that is longer than 512
|
||
bytes.
|
||
|
||
The affected flaw can be triggered by a redirect, if curl/libcurl is told to
|
||
follow redirects and an HTTP server points the client to a tftp URL with the
|
||
characteristics described above.
|
||
|
||
The Common Vulnerabilities and Exposures (CVE) project has assigned the name
|
||
CVE-2006-1061 to this issue.
|
||
|
||
Daniel (16 March 2006)
|
||
- Tor Arntsen provided a RPM spec file for AIX Toolbox, that now is included
|
||
in the release archive.
|
||
|
||
Daniel (14 March 2006)
|
||
- David McCreedy fixed:
|
||
|
||
a bad SSL error message when OpenSSL certificates are verified fine.
|
||
|
||
a missing return code assignment in the FTP code
|
||
|
||
Daniel (7 March 2006)
|
||
- Markus Koetter filed debian bug report #355715 which identified a problem
|
||
with the multi interface and multi-part formposts. The fix from February
|
||
22nd could make the Curl_done() function get called twice on the same
|
||
connection and it was not designed for that and thus tried to call free() on
|
||
an already freed memory area!
|
||
|
||
- Peter Heuchert made sure the CURLFTPSSL_CONTROL setting for CURLOPT_FTP_SSL
|
||
is used properly.
|
||
|
||
Daniel (6 March 2006)
|
||
- Lots of users on Windows have reported getting the "SSL: couldn't set
|
||
callback" error message so I've now made the setting of that callback not be
|
||
as critical as before. The function is only used for additional loggging/
|
||
trace anyway so a failure just means slightly less data. It should still be
|
||
able to proceed and connect fine to the server.
|
||
|
||
Daniel (4 March 2006)
|
||
- Thomas Klausner provided a patch written by Todd Vierling in bug report
|
||
#1442471 that fixes a build problem on Interix.
|
||
|
||
Daniel (2 March 2006)
|
||
- FTP upload without a file name part in the URL now causes
|
||
curl_easy_perform() to return CURLE_URL_MALFORMAT. Previously it allowed the
|
||
upload but named the file "(nil)" (without the quotes). Test case 524
|
||
verifies.
|
||
|
||
- Added a check for getprotobyname in configure so that it'll be used, thanks
|
||
to Gisle Vanem's change the other day.
|
||
|
||
Daniel (28 February 2006)
|
||
- Dan Fandrich prevented curl from getting stuck in an endless loop in case we
|
||
are out of file handles very early in curl's code where it makes sure that
|
||
0, 1 and 2 aren't gonna be used by the lib for transfers.
|
||
|
||
Daniel (27 February 2006)
|
||
- Marty Kuhrt pointed out that there were two VMS-specific files missing in
|
||
the release archive.
|
||
|
||
Version 7.15.2 (27 February 2006)
|
||
|
||
Daniel (22 February 2006)
|
||
- Lots of work and analysis by "xbx___" in bug #1431750
|
||
(http://curl.haxx.se/bug/view.cgi?id=1431750) helped me identify and fix two
|
||
different but related bugs:
|
||
|
||
1) Removing an easy handle from a multi handle before the transfer is done
|
||
could leave a connection in the connection cache for that handle that is
|
||
in a state that isn't suitable for re-use. A subsequent re-use could then
|
||
read from a NULL pointer and segfault.
|
||
|
||
2) When an easy handle was removed from the multi handle, there could be an
|
||
outstanding c-ares DNS name resolve request. When the response arrived,
|
||
it caused havoc since the connection struct it "belonged" to could've
|
||
been freed already.
|
||
|
||
Now Curl_done() is called when an easy handle is removed from a multi handle
|
||
pre-maturely (that is, before the transfer was complteted). Curl_done() also
|
||
makes sure to cancel all (if any) outstanding c-ares requests.
|
||
|
||
Daniel (21 February 2006)
|
||
- Peter Su added support for SOCKS4 proxies. Enable this by setting the proxy
|
||
type to the already provided type CURLPROXY_SOCKS4.
|
||
|
||
I added a --socks4 option that works like the current --socks5 option but
|
||
instead use the socks4 protocol.
|
||
|
||
Daniel (20 February 2006)
|
||
- Shmulik Regev fixed an issue with multi-pass authentication and compressed
|
||
content when libcurl didn't honor the internal ignorebody flag.
|
||
|
||
Daniel (18 February 2006)
|
||
- Ulf H<>rnhammar fixed a format string (printf style) problem in the Negotiate
|
||
code. It should however not be the cause of any troubles. He also fixed a
|
||
few similar problems in the HTTP test server code.
|
||
|
||
Daniel (17 February 2006)
|
||
- Shmulik Regev provided a fix for the DNS cache when using short life times,
|
||
as previously it could be holding on to old cached entries longer than
|
||
requested.
|
||
|
||
Daniel (11 February 2006)
|
||
- Karl Moerder added the CURLOPT_CONNECT_ONLY and CURLINFO_LASTSOCKET options
|
||
that an app can use to let libcurl only connect to a remote host and then
|
||
extract the socket from libcurl. libcurl will then not attempt to do any
|
||
transfer at all after the connect is done.
|
||
|
||
- Kent Boortz improved the configure check for GnuTLS to properly set LIBS
|
||
instead of LDFLAGS.
|
||
|
||
Daniel (8 February 2006)
|
||
- Philippe Vaucher provided a brilliant piece of test code that show a problem
|
||
with re-used FTP connections. If the second request on the same connection
|
||
was set not to fetch a "body", libcurl could get confused and consider it an
|
||
attempt to use a dead connection and would go acting mighty strange.
|
||
|
||
Daniel (2 February 2006)
|
||
- Make --limit-rate [num] mean bytes. It used to be that but it broke in my
|
||
change done in November 2005.
|
||
|
||
Daniel (30 January 2006)
|
||
- Added CURLOPT_LOCALPORT and CURLOPT_LOCALPORTRANGE to libcurl. Set with the
|
||
curl tool with --local-port. Plain and simply set the range of ports to bind
|
||
the local end of connections to. Implemented on to popular demand.
|
||
|
||
- Based on an error report by Philippe Vaucher, we no longer count a retried
|
||
connection setup as a follow-redirect. It turns out 1) this fails when a FTP
|
||
connection is re-setup and 2) it does make the max-redirs counter behave
|
||
wrong.
|
||
|
||
Daniel (24 January 2006)
|
||
- Michal Marek provided a patch for FTP that makes libcurl continue to try
|
||
PASV even after EPSV returned a positive response code, if libcurl failed to
|
||
connect to the port number the EPSV response said. Obviously some people are
|
||
going through protocol-sensitive firewalls (or similar) that don't
|
||
understand EPSV and then they don't allow the second connection unless PASV
|
||
was used. This also called for a minor fix of test case 238.
|
||
|
||
Daniel (20 January 2006)
|
||
- Duane Cathey was one of our friends who reported that curl -P [IP]
|
||
(CURLOPT_FTPPORT) didn't work for ipv6-enabed curls if the IP wasn't a
|
||
"native" IP while it works fine for ipv6-disabled builds!
|
||
|
||
In the process of fixing this, I removed the support for LPRT since I can't
|
||
think of many reasons to keep doing it and asking on the mailing list didn't
|
||
reveal anyone else that could either. The code that sends EPRT and PORT is
|
||
now also a lot simpler than before (IMHO).
|
||
|
||
Daniel (19 January 2006)
|
||
- Jon Turner pointed out that doing -P [hostname] (CURLOPT_FTPPORT) with curl
|
||
(built ipv4-only) didn't work.
|
||
|
||
Daniel (18 January 2006)
|
||
- As reported in bug #1408742 (http://curl.haxx.se/bug/view.cgi?id=1408742),
|
||
the configure script complained about a missing "missing" script if you ran
|
||
configure within a path whose name included one or more spaces. This is due
|
||
to a flaw in automake (1.9.6 and earlier). I've now worked around it by
|
||
including an "overloaded" version of the AM_MISSING_HAS_RUN script that'll
|
||
be used instead of the one automake ships with. This kludge needs to be
|
||
removed once we get an automake version with this problem corrected.
|
||
Possibly we'll then need to convert this into a kludge depending on what
|
||
automake version that is used and that is gonna be painful and I don't even
|
||
want to think about that now...!
|
||
|
||
Daniel (17 January 2006)
|
||
- David Shaw: Here is the latest libcurl.m4 autoconf tests. It is updated with
|
||
the latest features and protocols that libcurl supports and has a minor fix
|
||
to better deal with the obscure case where someone has more than one libcurl
|
||
installed at the same time.
|
||
|
||
Daniel (16 January 2006)
|
||
- David Shaw finally removed all traces of Gopher and we are now officially
|
||
not supporting it. It hasn't been functioning for years anyway, so this is
|
||
just finally stating what already was true. And a cleanup at the same time.
|
||
|
||
- Bryan Henderson turned the 'initialized' variable for curl_global_init()
|
||
into a counter, and thus you can now do multiple curl_global_init() and you
|
||
are then supposed to do the same amount of calls to curl_global_cleanup().
|
||
Bryan has also updated the docs accordingly.
|
||
|
||
Daniel (13 January 2006)
|
||
- Andrew Benham fixed a race condition in the test suite that could cause the
|
||
test script to kill all processes in the current process group!
|
||
|
||
Daniel (12 January 2006)
|
||
- Michael Jahn:
|
||
|
||
Fixed FTP_SKIP_PASV_IP and FTP_USE_EPSV to "do right" when used on FTP thru
|
||
HTTP proxy.
|
||
|
||
Fixed PROXYTUNNEL to work fine when you do ftp through a proxy. It would
|
||
previously overwrite internal memory and cause unpredicted behaviour!
|
||
|
||
Daniel (11 January 2006)
|
||
- I decided to document the "secret option" here now, as I've received *NO*
|
||
feedback at all on my mailing list requests from November 2005:
|
||
|
||
I'm looking for feedback and comments. I added some experimental code the
|
||
other day, that allows a libcurl user to select what method libcurl should
|
||
use to reach a file on a FTP(S) server.
|
||
|
||
This functionality is available in CVS code and in recent daily snapshots.
|
||
|
||
Let me explain...
|
||
|
||
The current name for the option is CURLOPT_FTP_FILEMETHOD (--ftp-method for
|
||
the command line tool) and you set it to a long (there are currenly no
|
||
defines for the argument values, just plain numericals). You can set three
|
||
different "methods" that do this:
|
||
|
||
1 multicwd - like today, curl will do a single CWD operation for each path
|
||
part in the given URL. For deep hierarchies this means very many
|
||
commands. This is how RFC1738 says it should be done. This is the
|
||
default.
|
||
|
||
2 nocwd - no CWD at all is done, curl will do SIZE, RETR, STOR etc and give
|
||
a full path to the server.
|
||
|
||
3 singlecwd - make one CWD with the full target directory and then operate
|
||
on the file "normally".
|
||
|
||
(With the command line tool you do --ftp-method [METHOD], where [METHOD] is
|
||
one of "multicwd", "nocwd" or "singlecwd".)
|
||
|
||
What feedback I'm interested in:
|
||
|
||
1 - Do they work at all? Do you find servers where one of these don't work?
|
||
|
||
2 - What would proper names for the option and its arguments be, if we
|
||
consider this feature good enough to get included and documented in
|
||
upcoming releases?
|
||
|
||
3 - Should we make libcurl able to "walk through" these options in case of
|
||
(path related) failures, or should it fail and let the user redo any
|
||
possible retries?
|
||
|
||
(This option is not documented in any man page just yet since I'm not sure
|
||
these names will be used or if the functionality will end up exactly like
|
||
this. And for the same reasons we have no test cases for these yet.)
|
||
|
||
Daniel (10 January 2006)
|
||
- When using a bad path over FTP, as in when libcurl couldn't CWD into all
|
||
given subdirs, libcurl would still "remember" the full path as if it is the
|
||
current directory libcurl is in so that the next curl_easy_perform() would
|
||
get really confused if it tried the same path again - as it would not issue
|
||
any CWD commands at all, assuming it is already in the "proper" dir.
|
||
|
||
Starting now, a failed CWD command sets a flag that prevents the path to be
|
||
"remembered" after returning.
|
||
|
||
Daniel (7 January 2006)
|
||
- Michael Jahn fixed so that the second CONNECT when doing FTP over a HTTP
|
||
proxy actually used a new connection and not sent the second request on the
|
||
first socket!
|
||
|
||
Daniel (6 January 2006)
|
||
- Alexander Lazic made the buildconf run the buildconf in the ares dir if that
|
||
is present instead of trying to mimic that script in curl's buildconf
|
||
script.
|
||
|
||
Daniel (3 January 2006)
|
||
- Andres Garcia made the TFTP test server build with mingw.
|