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ANNOUNCE: curl and libcurl 7.23.0

From: Daniel Stenberg <>
Date: Tue, 15 Nov 2011 22:28:34 +0100 (CET)

Hi friends,

I'm happy to announce that curl and libcurl 7.23.0 have been packaged and
uploaded to the site at

Curl and libcurl 7.23.0

  Public curl releases: 125
  Command line options: 149
  curl_easy_setopt() options: 192
  Public functions in libcurl: 58
  Known libcurl bindings: 39
  Contributors: 873

This release includes the following changes:

  o Empty headers can be sent in HTTP requests by terminating with a semicolon
  o SSL session sharing support added to curl_share_setopt()
  o Added support to MAIL FROM for the optional SIZE parameter
  o smtp: Added support for NTLM authentication
  o curl tool: code split into tool_*.[ch] files

This release includes the following bugfixes:

  o handle HTTP redirects to "//hostname/path"
  o SMTP without --mail-from caused segfault
  o prevent extra progress meter headers between multiple files
  o allow Content-Length to be replaced when sending HTTP requests
  o curl now always sets postfieldsize to allow --data-binary and --data
    to be mixed in the same command line
  o curl_multi_fdset: avoid FD_SET out of bounds
  o lots of MinGW build tweaks
  o Curl_gethostname: return un-qualified machine name
  o fixed the openssl version number configure check
  o nss: certificates from files are no longer looked up by file base names
  o returning abort from the progress function when using the multi interface
    would not properly cancel the transfer and close the connection
  o fix libcurl.m4 to not fail with modern gcc versions
  o ftp: improved the failed PORT host name resolved error message
  o TFTP timeout and unexpected block adjustments
  o HTTP and GOPHER test server-side connection closing adjustments
  o fix endless loop upon transport connection timeout
  o don't clobber errno on failed connect
  o typecheck: allow NULL to unset CURLOPT_ERRORBUFFER
  o formdata: ack read callback abort
  o make --show-error properly position independent
  o set the ipv6-connection boolean correctly on connect
  o SMTP: fix end-of-body string escaping
  o gtls: only call gnutls_transport_set_lowat with <gnutls-2.12.0
  o HTTP: handle multiple auths in a single WWW-Authenticate line
  o curl_multi_fdset: correct fdset with FTP PORT use
  o windbuild: fix the static build
  o fix builds with GnuTLS version 3
  o fix calling of OpenSSL's ERR_remove_state(0)
  o HTTP auth: fix proxy Negotiate bug when Negotiate not requested
  o ftp PORT: don't hang if bind() fails
  o -# would crash on terminals wider than 256 columns

This release includes the following known bugs:

  o see docs/KNOWN_BUGS (

This release would not have looked like this without help, code, reports and
advice from friends like these:

  Yukihiro Kawada, Dave Reisner, Gisle Vanem, Guenter Knauf, Steve Holme,
  Yang Tse, Christopher Stone, Taneli Vahakangas, Albert Chin,
  Alejandro Alvarez, Dan Fandrich, Julien Royer, Georg Lippitsch,
  Vladimir Grishchenko, Dominique Leuenberger, Marcin Adamski,
  Jerry Wu, Michal Marek, Frank Van Uffelen, Fabian Hiernaux, Anton Bychkov,
  Andreas Olsson, Kamil Dudka, Thomas L. Shinnick, Tim Harder, Nick Zitzmann,
  Gokhan Sengun, Tom Wright, Patrick Monnerat, Rene Bernhardt,
  Alexey Zakhlestin

         Thanks! (and sorry if I forgot to mention someone)

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Received on 2011-11-15