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[RELEASE] curl and libcurl 7.47.0

From: Daniel Stenberg <>
Date: Wed, 27 Jan 2016 08:45:49 +0100 (CET)

Hello everyone,

I'm happy to announce that we've just released another curl and libcurl
release. This time we also also publish two security advisories, and they will
both be posted just after this announcement (they are also mentioned among the
bug fixes below).

As always, download from

Curl and libcurl 7.47.0

  Public curl releases: 151
  Command line options: 179
  curl_easy_setopt() options: 221
  Public functions in libcurl: 61
  Contributors: 1340

This release includes the following changes:

  o version: Add flag CURL_VERSION_PSL for libpsl
  o http: added CURL_HTTP_VERSION_2TLS to do HTTP/2 for HTTPS only [8]
  o curl: use 2TLS by default
  o curl --expect100-timeout: added [10]
  o Add .dir-locals and set c-basic-offset to 2 (for emacs) [16]

This release includes the following bugfixes:

  o curl: avoid local drive traversal when saving file on Windows [33]
  o NTLM: do not resuse proxy connections without diff proxy credentials [34]
  o tests: Disable the OAUTHBEARER tests when using a non-default port number [1]
  o curl: remove keepalive #ifdef checks done on libcurl's behalf
  o formdata: Check if length is too large for memory [2]
  o lwip: Fix compatibility issues with later versions [3]
  o openssl: BoringSSL doesn't have CONF_modules_free
  o config-win32: Fix warning HAVE_WINSOCK2_H undefined
  o build: fix compilation error with CURL_DISABLE_VERBOSE_STRINGS [4]
  o http2: Fix hanging paused stream [5]
  o scripts/Makefile: fix GNUism and survive no perl [6]
  o openssl: adapt to 1.1.0+ name changes
  o openssl: adapt to openssl >= 1.1.0 X509 opaque structs [7]
  o spell fix and remove TODO now implemented
  o setstropt: const-correctness [9]
  o cyassl: fix compiler warning on type conversion
  o gskit: Fix host subject altname verification [11]
  o http2: Support trailer fields [12]
  o wolfssl: handle builds without SSLv3 support
  o cyassl: deal with lack of *get_peer_certificate [13]
  o sockfilt: do not wait on unreliable file or pipe handle
  o make: build zsh script even in an out-of-tree build
  o test 1326: fix getting stuck on Windows
  o test 87: fix file check on Windows
  o configure: allow static builds on mingw [14]
  o configure: detect IPv6 support on Windows [15]
  o ConnectionExists: with *PIPEWAIT, wait for connections [17]
  o s/curl_SOURCES/CURL_FILES [18]
  o test 16: fixed for Windows
  o test 252-255: use datacheck mode text for ASCII-mode LISTings
  o tftpd server: add Windows support by writing files in binary mode
  o ftplistparser: fix handling of file LISTings using Windows EOL
  o tests first.c: fix calculation of sleep timeout on Windows
  o tests (several): use datacheck mode text for ASCII-mode LISTings
  o CURLOPT_RANGE.3: for HTTP servers, range support is optional
  o test 1515: add MSYS support by passing a relative path
  o curl_global_init.3: Add Windows-specific info for init via DLL [19]
  o http2: Fix client write for trailers on stream close [20]
  o mbedtls: Fix ALPN support
  o connection reuse: IDN host names fixed [21]
  o http2: Fix PUSH_PROMISE headers being treated as trailers [22]
  o http2: handle the received SETTINGS frame [23]
  o http2: Ensure that http2_handle_stream_close is called [24]
  o mbedtls: implement CURLOPT_PINNEDPUBLICKEY
  o runtests: Add mbedTLS to the SSL backends
  o IDN host names: Remove the port number before converting to ACE [25]
  o fail if no curl is found
  o scripts: fix zsh completion generation
  o scripts: don't generate and install zsh completion when cross-compiling [26]
  o lib: Prefix URLs with lower-case protocol names/schemes [27]
  o ConnectionExists: only do pipelining/multiplexing when asked [28]
  o configure: assume IPv6 works when cross-compiled [29]
  o openssl: for 1.1.0+ they now provide a SSLeay() macro of their own
  o openssl: improved error detection/reporting
  o ssh: CURLOPT_SSH_PUBLIC_KEYFILE now treats "" as NULL again [30]
  o mbedtls: Fix pinned key return value on fail [31]
  o maketgz: generate date stamp with LC_TIME=C [32]

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:

   Alessandro Ghedini, Anders Bakken, Christian Stewart, Dan Fandrich,
   Daniel Schauenberg, Daniel Stenberg, Francisco Moraes, Gisle Vanem,
   Isaac Boukris, Johannes Schindelin, John Kohl, Kamil Dudka, Marc Hoersken,
   Michael Kaufmann, Mohammad AlSaleh, Patrick Monnerat, Ray Satiro, Steve Holme,
   Tatsuhiro Tsujikawa, Thomas Glanzmann, Thomas Klausner,
   (21 contributors)

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

References to bug reports and discussions on issues:

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List admin:
Received on 2016-01-27