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140 lines
4.3 KiB
Markdown
140 lines
4.3 KiB
Markdown
curl the next few years - perhaps
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=================================
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Roadmap of things Daniel Stenberg and Steve Holme want to work on next. It is
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intended to serve as a guideline for others for information, feedback and
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possible participation.
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HTTP/2
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------
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- test suite
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Base this on existing nghttp2 server to start with to make functional
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tests. Later on we can adopt that code or work with nghttp2 to provide ways
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to have the http2 server respond with broken responses to make sure we deal
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with that nicely as well.
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To decide: if we need to bundle parts of the nghttp2 stuff that probably
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won't be shipped by many distros.
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- stream properties API
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Provide options for setting priorities and dependencies among the streams
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(easy handles). They are mostly information set for the stream and sent to
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the server so we don't have to add much logic for this.
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- server push
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Not exactly clear exactly how to support this API-wise, but by adding
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handles without asking for a resource it could be a way to be prepared to
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receive pushes in case such are sent. We probably need it to still specify
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a URL with host name, port etc but we probably need a special option to
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tell libcurl it is for server push purposes.
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- provide option for HTTP/2 "prior knowledge" over clear text
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As it would avoid the roundtrip-heavy Upgrade: procedures when you _know_
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it speaks HTTP/2.
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- provide option to allow curl to default to HTTP/2 only when using HTTPS
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We could switch on HTTP/2 by-default for HTTPS quite easily and it
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shouldn't hurt anyone, while HTTP/2 for HTTP by default could introduce
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lots of Upgrade: roundtrips that users won't like. So a separated option
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alternative makes sense.
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SRV records
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-----------
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How to find services for specific domains/hosts.
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HTTPS to proxy
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--------------
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To avoid network traffic to/from the proxy getting snooped on.
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curl_formadd()
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--------------
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make sure there's an easy handle passed in to `curl_formadd()`,
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`curl_formget()` and `curl_formfree()` by adding replacement functions and
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deprecating the old ones to allow custom mallocs and more
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third-party SASL
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----------------
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add support for third-party SASL libraries such as Cyrus SASL - may need to
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move existing native and SSPI based authentication into vsasl folder after
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reworking HTTP and SASL code
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SASL authentication in LDAP
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---------------------------
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...
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Simplify the SMTP email
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-----------------------
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Simplify the SMTP email interface so that programmers don't have to
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construct the body of an email that contains all the headers, alternative
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content, images and attachments - maintain raw interface so that
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programmers that want to do this can
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email capabilities
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------------------
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Allow the email protocols to return the capabilities before
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authenticating. This will allow an application to decide on the best
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authentication mechanism
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Win32 pthreads
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--------------
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Allow Windows threading model to be replaced by Win32 pthreads port
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dynamic buffer size
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-------------------
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Implement a dynamic buffer size to allow SFTP to use much larger buffers and
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possibly allow the size to be customizable by applications. Use less memory
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when handles are not in use?
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New stuff - curl
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----------------
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1. Embed a language interpreter (lua?). For that middle ground where curl
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isn’t enough and a libcurl binding feels “too much”. Build-time conditional
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of course.
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2. Simplify the SMTP command line so that the headers and multi-part content
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don't have to be constructed before calling curl
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Improve
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-------
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1. build for windows (considered hard by many users)
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2. curl -h output (considered overwhelming to users)
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3. we have > 160 command line options, is there a way to redo things to
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simplify or improve the situation as we are likely to keep adding
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features/options in the future too
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4. docs (considered "bad" by users but how do we make it better?)
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- split up curl.1
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5. authentication framework (consider merging HTTP and SASL authentication to
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give one API for protocols to call)
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6. Perform some of the clean up from the TODO document, removing old
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definitions and such like that are currently earmarked to be removed years
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ago
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Remove
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------
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1. makefile.vc files as there is no point in maintaining two sets of Windows
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makefiles. Note: These are currently being used by the Windows autobuilds
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