neon 0.30.2 HTTP and WebDAV client library
Neon is an HTTP and WebDAV client library, with a C interface and the following features:
High-level wrappers for common HTTP and WebDAV operations (GET, MOVE, DELETE, etc.);
low-level interface to the HTTP request/response engine, allowing the use of arbitrary HTTP methods, headers, etc.;
authentication support including Basic and Digest support, along with GSSAPI-based Negotiate on Unix, and SSPI-based Negotiate/NTLM on Win32;
SSL/TLS support using OpenSSL or GnuTLS, exposing an abstraction layer for verifying server certificates, handling client certificates, and examining certificate properties, smartcard-based client certificates are also supported via a PKCS#11 wrapper interface;
abstract interface to parsing XML using libxml2 or expat, and wrappers for simplifying handling XML HTTP response bodies;
WebDAV metadata support, wrappers for PROPFIND and PROPPATCH to simplify property manipulation.