175 lines
7.1 KiB
Plaintext
175 lines
7.1 KiB
Plaintext
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/ __| | | | |_) | |
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| (__| |_| | _ <| |___
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\___|\___/|_| \_\_____|
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TODO
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Things to do in project cURL. Please tell us what you think, contribute and
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send us patches that improve things! Also check the http://curl.haxx.se/dev
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web section for various technical development notes.
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All bugs documented in the KNOWN_BUGS document are subject for fixing!
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LIBCURL
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* Introduce an interface to libcurl that allows applications to easier get to
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know what cookies that are received. Pushing interface that calls a
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callback on each received cookie? Querying interface that asks about
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existing cookies? We probably need both. Enable applications to modify
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existing cookies as well. http://curl.haxx.se/dev/COOKIES
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* Introduce another callback interface for upload/download that makes one
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less copy of data and thus a faster operation.
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[http://curl.haxx.se/dev/no_copy_callbacks.txt]
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* More data sharing. curl_share_* functions already exist and work, and they
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can be extended to share more.
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* Set the SO_KEEPALIVE socket option to make libcurl notice and disconnect
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very long time idle connections.
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* Go through the code and verify that libcurl deals with big files >2GB and
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>4GB all over. Bug reports (and source reviews) show that it doesn't
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currently work.
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LIBCURL - multi interface
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* Add curl_multi_timeout() to make libcurl's ares-functionality better.
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* Make sure we don't ever loop because of non-blocking sockets return
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EWOULDBLOCK or similar. This FTP command sending, the SSL connection etc.
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* Make transfers treated more carefully. We need a way to tell libcurl we
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have data to write, as the current system expects us to upload data each
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time the socket is writable and there is no way to say that we want to
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upload data soon just not right now, without that aborting the upload. The
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opposite situation should be possible as well, that we tell libcurl we're
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ready to accept read data. Today libcurl feeds the data as soon as it is
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available for reading, no matter what.
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DOCUMENTATION
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* More and better
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FTP
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* Support the most common FTP proxies, Philip Newton provided a list
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allegedly from ncftp:
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http://curl.haxx.se/mail/archive-2003-04/0126.html
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* Make CURLOPT_FTPPORT support an additional port number on the IP/if/name,
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like "blabla:[port]" or possibly even "blabla:[portfirst]-[portsecond]".
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* FTP ASCII transfers do not follow RFC959. They don't convert the data
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accordingly.
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* Since USERPWD always override the user and password specified in URLs, we
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might need another way to specify user+password for anonymous ftp logins.
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* Add FTPS support with SSL for the data connection too. This should be made
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according to the specs written in draft-murray-auth-ftp-ssl-12.txt,
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"Securing FTP with TLS", valid until 28th February, 2004.
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http://curl.haxx.se/rfc/draft-murray-auth-ftp-ssl-12.txt
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HTTP
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* Digest and GSS-Negotiate support for HTTP proxies. They only work on
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direct-connections to the server.
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* Pipelining. Sending multiple requests before the previous one(s) are done.
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This could possibly be implemented using the multi interface to queue
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requests and the response data.
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TELNET
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* Reading input (to send to the remote server) on stdin is a crappy solution
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for library purposes. We need to invent a good way for the application to
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be able to provide the data to send.
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* Move the telnet support's network select() loop go away and merge the code
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into the main transfer loop. Until this is done, the multi interface won't
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work for telnet.
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SSL
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* If you really want to improve the SSL situation, you should probably have a
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look at SSL cafile loading as well - quick traces look to me like these are
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done on every request as well, when they should only be necessary once per
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ssl context (or once per handle). Even better would be to support the SSL
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CAdir option - instead of loading all of the root CA certs for every
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request, this option allows you to only read the CA chain that is actually
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required (into the cache)...
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* Add an interface to libcurl that enables "session IDs" to get
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exported/imported. Cris Bailiff said: "OpenSSL has functions which can
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serialise the current SSL state to a buffer of your choice, and
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recover/reset the state from such a buffer at a later date - this is used
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by mod_ssl for apache to implement and SSL session ID cache". This whole
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idea might become moot if we enable the 'data sharing' as mentioned in the
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LIBCURL label above.
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* OpenSSL supports a callback for customised verification of the peer
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certificate, but this doesn't seem to be exposed in the libcurl APIs. Could
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it be? There's so much that could be done if it were! (brought by Chris
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Clark)
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* Make curl's SSL layer option capable of using other free SSL libraries.
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Such as the Mozilla Security Services
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(http://www.mozilla.org/projects/security/pki/nss/) and GNUTLS
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(http://gnutls.hellug.gr/)
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LDAP
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* Look over the implementation. The looping will have to "go away" from the
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lib/ldap.c source file and get moved to the main network code so that the
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multi interface and friends will work for LDAP as well.
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CLIENT
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* Add an option that prevents cURL from overwiting existing local files. When
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used, and there already is an existing file with the target file name
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(either -O or -o), a number should be appended (and increased if already
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existing). So that index.html becomes first index.html.1 and then
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index.html.2 etc. Jeff Pohlmeyer suggested.
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* "curl ftp://site.com/*.txt"
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* The client could be told to use maximum N simultaneous transfers and then
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just make sure that happens. It should of course not make more than one
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connection to the same remote host. This would require the client to use
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the multi interface.
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* Extending the capabilities of the multipart formposting. How about leaving
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the ';type=foo' syntax as it is and adding an extra tag (headers) which
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works like this: curl -F "coolfiles=@fil1.txt;headers=@fil1.hdr" where
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fil1.hdr contains extra headers like
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Content-Type: text/plain; charset=KOI8-R"
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Content-Transfer-Encoding: base64
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X-User-Comment: Please don't use browser specific HTML code
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which should overwrite the program reasonable defaults (plain/text,
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8bit...) (Idea brough to us by kromJx)
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TEST SUITE
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* If perl wasn't found by the configure script, don't attempt to run the
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tests but explain something nice why it doesn't.
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* Extend the test suite to include more protocols. The telnet could just do
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ftp or http operations (for which we have test servers).
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* Make the test suite work on more platforms. OpenBSD and Mac OS. Remove
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fork()s and it should become even more portable.
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* Introduce a test suite that tests libcurl better and more explicitly.
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NEXT MAJOR RELEASE
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* curl_easy_cleanup() returns void, but curl_multi_cleanup() returns a
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CURLMcode. These should be changed to be the same.
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* curl_formparse() should be removed
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