TODO: added an SSH section and two SFTP things to do
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Daniel Stenberg
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docs/TODO
171
docs/TODO
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@ -123,47 +123,51 @@
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16.2 Add QOP support to GSSAPI authentication
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16.3 Support binary messages (i.e.: non-base64)
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17. Command line tool
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17.1 sync
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17.2 glob posts
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17.3 prevent file overwriting
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17.4 simultaneous parallel transfers
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17.5 provide formpost headers
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17.6 warning when setting an option
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17.7 warning when sending binary output to terminal
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17.8 offer color-coded HTTP header output
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17.9 Choose the name of file in braces for complex URLs
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17.10 improve how curl works in a windows console window
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17.11 -w output to stderr
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17.12 keep running, read instructions from pipe/socket
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17.13 support metalink in http headers
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17.14 --fail without --location should treat 3xx as a failure
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17. SSH protocols
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17.1 Multiplexing
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17.2 SFTP performance
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18. Build
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18.1 roffit
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18. Command line tool
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18.1 sync
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18.2 glob posts
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18.3 prevent file overwriting
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18.4 simultaneous parallel transfers
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18.5 provide formpost headers
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18.6 warning when setting an option
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18.7 warning when sending binary output to terminal
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18.8 offer color-coded HTTP header output
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18.9 Choose the name of file in braces for complex URLs
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18.10 improve how curl works in a windows console window
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18.11 -w output to stderr
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18.12 keep running, read instructions from pipe/socket
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18.13 support metalink in http headers
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18.14 --fail without --location should treat 3xx as a failure
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19. Test suite
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19.1 SSL tunnel
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19.2 nicer lacking perl message
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19.3 more protocols supported
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19.4 more platforms supported
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19.5 Add support for concurrent connections
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19.6 Use the RFC6265 test suite
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19. Build
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19.1 roffit
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20. Next SONAME bump
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20.1 http-style HEAD output for FTP
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20.2 combine error codes
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20.3 extend CURLOPT_SOCKOPTFUNCTION prototype
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20. Test suite
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20.1 SSL tunnel
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20.2 nicer lacking perl message
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20.3 more protocols supported
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20.4 more platforms supported
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20.5 Add support for concurrent connections
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20.6 Use the RFC6265 test suite
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21. Next major release
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21.1 cleanup return codes
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21.2 remove obsolete defines
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21.3 size_t
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21.4 remove several functions
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21.5 remove CURLOPT_FAILONERROR
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21.6 remove CURLOPT_DNS_USE_GLOBAL_CACHE
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21.7 remove progress meter from libcurl
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21.8 remove 'curl_httppost' from public
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21. Next SONAME bump
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21.1 http-style HEAD output for FTP
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21.2 combine error codes
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21.3 extend CURLOPT_SOCKOPTFUNCTION prototype
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22. Next major release
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22.1 cleanup return codes
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22.2 remove obsolete defines
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22.3 size_t
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22.4 remove several functions
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22.5 remove CURLOPT_FAILONERROR
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22.6 remove CURLOPT_DNS_USE_GLOBAL_CACHE
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22.7 remove progress meter from libcurl
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22.8 remove 'curl_httppost' from public
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==============================================================================
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@ -768,9 +772,28 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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Mandatory to support LDAP SASL authentication.
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17. Command line tool
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17.1 sync
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17. SSH protocols
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17.1 Multiplexing
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SSH is a perfectly fine multiplexed protocols which would allow libcurl to do
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multiple parallel transfers from the same host using the same connection,
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much in the same spirit as HTTP/2 does. libcurl however does not take
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advantage of that ability but will instead always create a new connection for
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new transfers even if an existing connection already exists to the host.
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To fix this, libcurl would have to detect an existing connection and "attach"
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the new transfer to the existing one.
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17.2 SFTP performance
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libcurl's SFTP transfer performance is sub par and can be improved, mostly by
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the approach mentioned in "1.6 Modified buffer size approach".
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18. Command line tool
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18.1 sync
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"curl --sync http://example.com/feed[1-100].rss" or
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"curl --sync http://example.net/{index,calendar,history}.html"
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@ -779,12 +802,12 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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remote file is newer than the local file. A Last-Modified HTTP date header
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should also be used to set the mod date on the downloaded file.
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17.2 glob posts
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18.2 glob posts
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Globbing support for -d and -F, as in 'curl -d "name=foo[0-9]" URL'.
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This is easily scripted though.
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17.3 prevent file overwriting
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18.3 prevent file overwriting
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Add an option that prevents cURL from overwriting 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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@ -792,7 +815,7 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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existing). So that index.html becomes first index.html.1 and then
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index.html.2 etc.
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17.4 simultaneous parallel transfers
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18.4 simultaneous parallel transfers
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The client could be told to use maximum N simultaneous parallel transfers and
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then just make sure that happens. It should of course not make more than one
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@ -802,7 +825,7 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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Using the multi interface would also allow properly using parallel transfers
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with HTTP/2 and supporting HTTP/2 server push from the command line.
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17.5 provide formpost headers
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18.5 provide formpost headers
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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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@ -816,24 +839,24 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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which should overwrite the program reasonable defaults (plain/text,
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8bit...)
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17.6 warning when setting an option
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18.6 warning when setting an option
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Display a warning when libcurl returns an error when setting an option.
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This can be useful to tell when support for a particular feature hasn't been
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compiled into the library.
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17.7 warning when sending binary output to terminal
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18.7 warning when sending binary output to terminal
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Provide a way that prompts the user for confirmation before binary data is
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sent to the terminal, much in the style 'less' does it.
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17.8 offer color-coded HTTP header output
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18.8 offer color-coded HTTP header output
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By offering different color output on the header name and the header
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contents, they could be made more readable and thus help users working on
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HTTP services.
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17.9 Choose the name of file in braces for complex URLs
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18.9 Choose the name of file in braces for complex URLs
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When using braces to download a list of URLs and you use complicated names
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in the list of alternatives, it could be handy to allow curl to use other
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@ -845,13 +868,13 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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See https://github.com/curl/curl/issues/221
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17.10 improve how curl works in a windows console window
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18.10 improve how curl works in a windows console window
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If you pull the scrollbar when transferring with curl in a Windows console
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window, the transfer is interrupted and can get disconnected. This can
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probably be improved. See https://github.com/curl/curl/issues/322
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17.11 -w output to stderr
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18.11 -w output to stderr
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-w is quite useful, but not to those of us who use curl without -o or -O
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(such as for scripting through a higher level language). It would be nice to
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@ -859,7 +882,7 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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instead. Proposed name: --write-stderr. See
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https://github.com/curl/curl/issues/613
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17.12 keep running, read instructions from pipe/socket
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18.12 keep running, read instructions from pipe/socket
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Provide an option that makes curl not exit after the last URL (or even work
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without a given URL), and then make it read instructions passed on a pipe or
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@ -867,7 +890,7 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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invoke can talk to the still running instance and ask for transfers to get
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done, and thus maintain its connection pool, DNS cache and more.
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17.13 support metalink in http headers
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18.13 support metalink in http headers
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Curl has support for downloading a metalink xml file, processing it, and then
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downloading the target of the metalink. This is done via the --metalink option.
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@ -880,7 +903,7 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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See also https://lists.gnu.org/archive/html/bug-wget/2015-06/msg00034.html for
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an implematation of this in wget.
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17.14 --fail without --location should treat 3xx as a failure
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18.14 --fail without --location should treat 3xx as a failure
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To allow a command line like this to detect a redirect and consider it a
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failure:
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@ -892,37 +915,37 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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tool only and not in the underlying CURLOPT_FAILONERROR logic.
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18. Build
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19. Build
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18.1 roffit
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19.1 roffit
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Consider extending 'roffit' to produce decent ASCII output, and use that
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instead of (g)nroff when building src/tool_hugehelp.c
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19. Test suite
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20. Test suite
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19.1 SSL tunnel
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20.1 SSL tunnel
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Make our own version of stunnel for simple port forwarding to enable HTTPS
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and FTP-SSL tests without the stunnel dependency, and it could allow us to
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provide test tools built with either OpenSSL or GnuTLS
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19.2 nicer lacking perl message
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20.2 nicer lacking perl message
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If perl wasn't found by the configure script, don't attempt to run the tests
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but explain something nice why it doesn't.
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19.3 more protocols supported
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20.3 more protocols supported
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Extend the test suite to include more protocols. The telnet could just do FTP
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or http operations (for which we have test servers).
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19.4 more platforms supported
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20.4 more platforms supported
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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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19.5 Add support for concurrent connections
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20.5 Add support for concurrent connections
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Tests 836, 882 and 938 were designed to verify that separate connections aren't
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used when using different login credentials in protocols that shouldn't re-use
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@ -936,7 +959,7 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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and thus the wait for connections loop is never entered to receive the second
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connection.
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19.6 Use the RFC6265 test suite
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20.6 Use the RFC6265 test suite
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A test suite made for HTTP cookies (RFC 6265) by Adam Barth is available at
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https://github.com/abarth/http-state/tree/master/tests
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@ -946,14 +969,14 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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incorporated into our regular test suite.
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20. Next SONAME bump
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21. Next SONAME bump
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20.1 http-style HEAD output for FTP
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21.1 http-style HEAD output for FTP
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#undef CURL_FTP_HTTPSTYLE_HEAD in lib/ftp.c to remove the HTTP-style headers
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from being output in NOBODY requests over FTP
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20.2 combine error codes
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21.2 combine error codes
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Combine some of the error codes to remove duplicates. The original
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numbering should not be changed, and the old identifiers would be
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@ -978,29 +1001,29 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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CURLE_TFTP_PERM => CURLE_REMOTE_ACCESS_DENIED
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20.3 extend CURLOPT_SOCKOPTFUNCTION prototype
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21.3 extend CURLOPT_SOCKOPTFUNCTION prototype
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The current prototype only provides 'purpose' that tells what the
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connection/socket is for, but not any protocol or similar. It makes it hard
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for applications to differentiate on TCP vs UDP and even HTTP vs FTP and
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similar.
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21. Next major release
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22. Next major release
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21.1 cleanup return codes
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22.1 cleanup return codes
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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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21.2 remove obsolete defines
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22.2 remove obsolete defines
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remove obsolete defines from curl/curl.h
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21.3 size_t
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22.3 size_t
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make several functions use size_t instead of int in their APIs
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21.4 remove several functions
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22.4 remove several functions
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remove the following functions from the public API:
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@ -1021,18 +1044,18 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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curl_multi_socket_all
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21.5 remove CURLOPT_FAILONERROR
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22.5 remove CURLOPT_FAILONERROR
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Remove support for CURLOPT_FAILONERROR, it has gotten too kludgy and weird
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internally. Let the app judge success or not for itself.
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21.6 remove CURLOPT_DNS_USE_GLOBAL_CACHE
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22.6 remove CURLOPT_DNS_USE_GLOBAL_CACHE
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Remove support for a global DNS cache. Anything global is silly, and we
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already offer the share interface for the same functionality but done
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"right".
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21.7 remove progress meter from libcurl
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22.7 remove progress meter from libcurl
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The internally provided progress meter output doesn't belong in the library.
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Basically no application wants it (apart from curl) but instead applications
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@ -1042,7 +1065,7 @@ that doesn't exist on the server, just like --ftp-create-dirs.
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variable types passed to it instead of doubles so that big files work
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correctly.
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21.8 remove 'curl_httppost' from public
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22.8 remove 'curl_httppost' from public
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curl_formadd() was made to fill in a public struct, but the fact that the
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struct is public is never really used by application for their own advantage
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