cURL 7.50.2 发布，字符界面下载工具

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 id

• 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 size

• http2: return EOF when done uploading without known size

• 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