mirror of
https://github.com/moparisthebest/curl
synced 2024-12-22 16:18:48 -05:00
daef1cf34d
for FTP ASCII transfers.
585 lines
26 KiB
Plaintext
585 lines
26 KiB
Plaintext
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/ __| | | | |_) | |
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| (__| |_| | _ <| |___
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\___|\___/|_| \_\_____|
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Changelog
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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
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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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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
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`--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.
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- Robson Braga Araujo fixed two problems in the recently added non-blocking SSL
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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.
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- 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)
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- Dan Fandrich went over the TFTP code and he pointed out and fixed numerous
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problems:
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* The received file is corrupted when a packet is lost and retransmitted
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(this is a serious problem!)
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* Transmitting a file aborts if a block is lost and retransmitted
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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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* 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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* There are references to errno instead of Curl_sockerrno(), causing
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incorrect error messages on Windows
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* The file name includes a leading / which violates RFC3617. Doing something
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similar to ftp, where two slashes after the host name means an absolute
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reference seems a reasonable extension to fix this.
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* Failures in EBCDIC conversion are not propagated up to the caller but are
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silently ignored
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- Fixed known bug #28. The TFTP code no longer assumes a packed struct and
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thus works reliably on more platforms.
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Daniel (5 May 2006)
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- Roland Blom filed bug report #1481217
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(http://curl.haxx.se/bug/view.cgi?id=1481217), with follow-ups by Michele
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Bini and David Byron. libcurl previously wrongly used GetLastError() on
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windows to get error details after socket-related function calls, when it
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really should use WSAGetLastError() instead.
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When changing to this, the former function Curl_ourerrno() is now instead
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called Curl_sockerrno() as it is necessary to only use it to get errno from
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socket-related functions as otherwise it won't work as intended on Windows.
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Daniel (4 May 2006)
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- Mark Eichin submitted bug report #1480821
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(http://curl.haxx.se/bug/view.cgi?id=1480821) He found and identified a
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problem with how libcurl dealt with GnuTLS and a case where gnutls returned
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GNUTLS_E_AGAIN indicating it would block. It would then return an unexpected
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return code, making Curl_ssl_send() confuse the upper layer - causing random
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28 bytes trash data to get inserted in the transfered stream.
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The proper fix was to make the Curl_gtls_send() function return the proper
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return codes that the callers would expect. The Curl_ossl_send() function
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already did this.
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Daniel (2 May 2006)
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- Added a --checkfor option to curl-config to allow users to easier
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write for example shell scripts that test for the presence of a
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new-enough libcurl version. If --checkfor is given a version string
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newer than what is currently installed, curl-config will return a
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non-zero exit code and output a string about the unfulfilled
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requirement.
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Daniel (26 April 2006)
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- David McCreedy brought initial line end conversions when doing FTP ASCII
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transfers. They are done on non-windows systems and translate CRLF to LF.
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I modified the 15 LIST-using test cases accordingly. The downside is that now
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we'll have even more trouble to get the tests to run on Windows since they
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should get CRLF newlines left intact which the *nix versions don't. I figure
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the only sane thing to do is to add some kind of [newline] macro for the test
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case files and have them expanded to the proper native line ending when the
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test cases are run. This is however left to implement.
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Daniel (25 April 2006)
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- Paul Querna fixed libcurl to better deal with deflate content encoding
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when the stream (wrongly) lacks a proper zlib header. This seems to be the
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case on too many actual server implementations.
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Daniel (21 April 2006)
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- Ale Vesely fixed CURLOPT_INTERFACE when using a hostname.
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Daniel (19 April 2006)
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- Based on previous info from Tor Arntsen, I made configure detect the Intel
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ICC compiler to add a compiler option for it, in order for configure to
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properly be able to detect function prototypes.
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- Robson Braga Araujo provided a patch that makes libcurl less eager to close
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the control connection when using FTP, for example when you remove an easy
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handle from a multi stack.
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- Applied a patch by Ates Goral and Katie Wang that corrected my bad fix
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attempt from April 10.
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Daniel (11 April 2006)
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- #1468330 (http://curl.haxx.se/bug/view.cgi?id=1468330) pointed out a bad
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typecast in the curl tool leading to a crash with (64bit?) VS2005 (at least)
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since the struct timeval field tv_sec is an int while time_t is 64bit.
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Daniel (10 April 2006)
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- Ates Goral found out that if you specified both CURLOPT_CONNECTTIMEOUT and
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CURLOPT_TIMEOUT, the _longer_ time would wrongly be used for the SSL
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connection time-out!
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- I merged my hiper patch (http://curl.haxx.se/libcurl/hiper/) into the main
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sources. See the lib/README.multi_socket for implementation story with
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details. Don't expect it to work fully yet. I don't intend to blow any
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whistles or ring any bells about it until I'm more convinced it works at
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least somewhat reliably.
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Daniel (7 April 2006)
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- David McCreedy's EBCDIC and TPF changes. Three new curl_easy_setopt()
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options (callbacks) were added:
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CONV_FROM_NETWORK_FUNCTION
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CONV_TO_NETWORK_FUNCTION
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CONV_FROM_UTF8_FUNCTION
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Daniel (5 April 2006)
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- Michele Bini modified the NTLM code to work for his "weird IIS case"
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(http://curl.haxx.se/mail/lib-2006-02/0154.html) by adding the NTLM hash
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function in addition to the LM one and making some other adjustments in the
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order the different parts of the data block are sent in the Type-2 reply.
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Inspiration for this work was taken from the Firefox NTLM implementation.
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I edited the existing 21(!) NTLM test cases to run fine with these news. Due
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to the fact that we now properly include the host name in the Type-2 message
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the test cases now only compare parts of that chunk.
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Daniel (28 March 2006)
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- #1451929 (http://curl.haxx.se/bug/view.cgi?id=1451929) detailed a bug that
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occurred when asking libcurl to follow HTTP redirects and the original URL
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had more than one question mark (?). Added test case 276 to verify.
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Daniel (27 March 2006)
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- David Byron found a problem multiple -d options when libcurl was built with
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--enable-debug, as then curl used free() on memory allocated both with
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normal malloc() and with libcurl-provided functions, when the latter MUST be
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freed with curl_free() in debug builds.
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Daniel (26 March 2006)
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- Tor Arntsen figured out that TFTP was broken on a lot of systems since we
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called bind() with a too big argument in the 3rd parameter and at least
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Tru64, AIX and IRIX seem to be very picky about it.
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Daniel (21 March 2006)
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- David McCreedy added CURLINFO_FTP_ENTRY_PATH.
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- Xavier Bouchoux made the SSL connection non-blocking for the multi interface
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(when using OpenSSL).
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- Tor Arntsen fixed the AIX Toolbox RPM spec
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Daniel (20 March 2006)
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- David McCreedy fixed libcurl to no longer ignore AUTH failures and now it
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reacts properly according to the CURLOPT_FTP_SSL setting.
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- Dan Fandrich fixed two TFTP problems: Fixed a bug whereby a received file
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whose length was a multiple of 512 bytes could have random garbage
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appended. Also, stop processing TFTP packets which are too short to be
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legal.
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- Ilja van Sprundel reported a possible crash in the curl tool when using
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"curl hostwithoutslash -d data -G"
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Version 7.15.3 (20 March 2006)
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Daniel (20 March 2006)
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- VULNERABILITY reported to us by Ulf Harnhammar.
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libcurl uses the given file part of a TFTP URL in a manner that allows a
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malicious user to overflow a heap-based memory buffer due to the lack of
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boundary check.
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This overflow happens if you pass in a URL with a TFTP protocol prefix
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("tftp://"), using a valid host and a path part that is longer than 512
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bytes.
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The affected flaw can be triggered by a redirect, if curl/libcurl is told to
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follow redirects and an HTTP server points the client to a tftp URL with the
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characteristics described above.
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The Common Vulnerabilities and Exposures (CVE) project has assigned the name
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CVE-2006-1061 to this issue.
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Daniel (16 March 2006)
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- Tor Arntsen provided a RPM spec file for AIX Toolbox, that now is included
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in the release archive.
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Daniel (14 March 2006)
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- David McCreedy fixed:
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a bad SSL error message when OpenSSL certificates are verified fine.
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a missing return code assignment in the FTP code
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Daniel (7 March 2006)
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- Markus Koetter filed debian bug report #355715 which identified a problem
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with the multi interface and multi-part formposts. The fix from February
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22nd could make the Curl_done() function get called twice on the same
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connection and it was not designed for that and thus tried to call free() on
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an already freed memory area!
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- Peter Heuchert made sure the CURLFTPSSL_CONTROL setting for CURLOPT_FTP_SSL
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is used properly.
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Daniel (6 March 2006)
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- Lots of users on Windows have reported getting the "SSL: couldn't set
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callback" error message so I've now made the setting of that callback not be
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as critical as before. The function is only used for additional loggging/
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trace anyway so a failure just means slightly less data. It should still be
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able to proceed and connect fine to the server.
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Daniel (4 March 2006)
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- Thomas Klausner provided a patch written by Todd Vierling in bug report
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#1442471 that fixes a build problem on Interix.
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Daniel (2 March 2006)
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- FTP upload without a file name part in the URL now causes
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curl_easy_perform() to return CURLE_URL_MALFORMAT. Previously it allowed the
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upload but named the file "(nil)" (without the quotes). Test case 524
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verifies.
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- Added a check for getprotobyname in configure so that it'll be used, thanks
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to Gisle Vanem's change the other day.
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Daniel (28 February 2006)
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- Dan Fandrich prevented curl from getting stuck in an endless loop in case we
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are out of file handles very early in curl's code where it makes sure that
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0, 1 and 2 aren't gonna be used by the lib for transfers.
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Daniel (27 February 2006)
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- Marty Kuhrt pointed out that there were two VMS-specific files missing in
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the release archive.
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Version 7.15.2 (27 February 2006)
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Daniel (22 February 2006)
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- Lots of work and analysis by "xbx___" in bug #1431750
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(http://curl.haxx.se/bug/view.cgi?id=1431750) helped me identify and fix two
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different but related bugs:
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1) Removing an easy handle from a multi handle before the transfer is done
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could leave a connection in the connection cache for that handle that is
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in a state that isn't suitable for re-use. A subsequent re-use could then
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read from a NULL pointer and segfault.
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2) When an easy handle was removed from the multi handle, there could be an
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outstanding c-ares DNS name resolve request. When the response arrived,
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it caused havoc since the connection struct it "belonged" to could've
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been freed already.
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Now Curl_done() is called when an easy handle is removed from a multi handle
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pre-maturely (that is, before the transfer was complteted). Curl_done() also
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makes sure to cancel all (if any) outstanding c-ares requests.
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Daniel (21 February 2006)
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- Peter Su added support for SOCKS4 proxies. Enable this by setting the proxy
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type to the already provided type CURLPROXY_SOCKS4.
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I added a --socks4 option that works like the current --socks5 option but
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instead use the socks4 protocol.
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Daniel (20 February 2006)
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- Shmulik Regev fixed an issue with multi-pass authentication and compressed
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content when libcurl didn't honor the internal ignorebody flag.
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Daniel (18 February 2006)
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- Ulf H<>rnhammar fixed a format string (printf style) problem in the Negotiate
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code. It should however not be the cause of any troubles. He also fixed a
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few similar problems in the HTTP test server code.
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Daniel (17 February 2006)
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- Shmulik Regev provided a fix for the DNS cache when using short life times,
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as previously it could be holding on to old cached entries longer than
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requested.
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Daniel (11 February 2006)
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- Karl Moerder added the CURLOPT_CONNECT_ONLY and CURLINFO_LASTSOCKET options
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that an app can use to let libcurl only connect to a remote host and then
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extract the socket from libcurl. libcurl will then not attempt to do any
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transfer at all after the connect is done.
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- Kent Boortz improved the configure check for GnuTLS to properly set LIBS
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instead of LDFLAGS.
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Daniel (8 February 2006)
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- Philippe Vaucher provided a brilliant piece of test code that show a problem
|
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with re-used FTP connections. If the second request on the same connection
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was set not to fetch a "body", libcurl could get confused and consider it an
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attempt to use a dead connection and would go acting mighty strange.
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Daniel (2 February 2006)
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- Make --limit-rate [num] mean bytes. It used to be that but it broke in my
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change done in November 2005.
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Daniel (30 January 2006)
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- Added CURLOPT_LOCALPORT and CURLOPT_LOCALPORTRANGE to libcurl. Set with the
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curl tool with --local-port. Plain and simply set the range of ports to bind
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the local end of connections to. Implemented on to popular demand.
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- Based on an error report by Philippe Vaucher, we no longer count a retried
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connection setup as a follow-redirect. It turns out 1) this fails when a FTP
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connection is re-setup and 2) it does make the max-redirs counter behave
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wrong.
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||
|
||
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.
|