cURL 7.50.2 发布，字符界面下载工具

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　　cURL 7.50.2 发布了，cURL是一款著名的字符界面下的下载工具，支持HTTP、HTTPS、FTP、FTPS、DICT、TELNET、LDAP、FILE,和GOPHER。此外还具有cookies支持、断点续传、FTP上传、密码支持、SSL支持和代理支持等特性。curl同时还提供了一套libcurl的库，开发者可以基于这个库开发其他下载工具。
　　本次发布改进如下：

• 　　mbedtls: Added support for NTLM
  
• 　　SSH: fixed SFTP/SCP transfer problems
  
• 　　multi: make Curl_expire() work with 0 ms timeouts
  
• 　　mk-ca-bundle.pl: -m keeps ca cert meta data in output
  
• 　　TFTP: Fix upload problem with piped input
  
• 　　CURLOPT_TCP_NODELAY: now enabled by default
  
• 　　mbedtls: set verbose TLS debug when MBEDTLS_DEBUG is defined
  
• 　　http2: always wait for readable socket
  
• 　　cmake: Enable win32 large file support by default
  
• 　　cmake: Enable win32 threaded resolver by default
  
• 　　winbuild: Avoid setting redundant CFLAGS to compile commands
  
• 　　curl.h: make CURL_NO_OLDIES define CURL_STRICTER
  
• 　　docs: make more markdown files use .md extension
  
• 　　docs: CONTRIBUTE and LICENSE-MIXING were converted to markdown
  
• 　　winbuild: Allow changing C compiler via environment variable CC
  
• 
  　　rtsp: accept any RTSP session>
  
• 　　HTTP: retry failed HEAD requests on reused connections too
  
• 　　configure: add zlib search with pkg-config
  
• 　　openssl: accept subjectAltName iPAddress if no dNSName match
  
• 　　MANUAL: Remove invalid link to LDAP documentation
  
• 　　socks: improved connection procedure
  
• 　　proxy: reject attempts to use unsupported proxy schemes
  
• 　　proxy: bring back use of "Proxy-Connection:"
  
• 　　curl: allow "pkcs11:" prefix for client certificates
  
• 　　spnego_sspi: fix memory leak in case *outlen is zero
  
• 　　SOCKS: improve verbose output of SOCKS5 connection sequence
  
• 　　SOCKS: display the hostname returned by the SOCKS5 proxy server
  
• 　　http/sasl: Query authentication mechanism supported by SSPI before using
  
• 　　sasl: Don't use GSSAPI authentication when domain name not specified
  
• 　　win: Basic support for Universal Windows Platform apps
  
• 　　nss: fix incorrect use of a previously loaded certificate from file
  
• 　　nss: work around race condition in PK11_FindSlotByName()
  
• 　　ftp: fix wrong poll on the secondary socket
  
• 　　openssl: build warning-free with 1.1.0 (again)
  
• 　　HTTP: stop parsing headers when switching to unknown protocols
  
• 　　test219: Add http as a required feature
  
• 　　TLS: random file/egd doesn't have to match for conn reuse
  
• 　　schannel: Disable ALPN for Wine since it is causing problems
  
• 　　http2: make sure stream errors don't needlessly close the connection
  
• 　　http2: return CURLE_HTTP2_STREAM for unexpected stream close
  
• 　　darwinssl: --cainfo is intended for backward compatibility only
  
• 　　speed caps: not based on average speeds anymore
  
• 　　configure: make the cpp -P detection not clobber CPPFLAGS
  
• 　　http2: use named define instead of magic constant in read callback
  
• 
  　　http2: skip the content-length parsing, detect unknown>
  
• 
  　　http2: return EOF when done uploading without known>
  
• 　　darwinssl: test for errSecSuccess in PKCS12 import rather than noErr
  
• 　　openssl: fix CURLINFO_SSL_VERIFYRESULT
  

　　下载地址：https://curl.haxx.se/download.html