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NEWS
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Changes in release 0.32.2:
* Fix auth handling for request-target of "*" (regressed since 0.31.x)
* Fix bindtextdomain() detection on OS X (Daniel Macks)
* Fix regeneration of docs in "make install" (Lonnie Abelbeck)
* Fixes for NetBSD build (Thomas Klausner)
Changes in release 0.32.1:
* Fix configure CFLAGS handling in Kerberos detection.
* Various spelling fixes.
Changes in release 0.32.0:
* Interface changes:
- API and ABI backwards-compatible with 0.27.x and later
- NE_AUTH_DIGEST now only enables RFC 2617/7616 auth by default;
to enable weaker RFC 2069 Digest, use NE_AUTH_LEGACY_DIGEST
(treated as a security enhancement, not an API/ABI break)
* Interface clarifications:
- ne_auth.h: use of non-ASCII usernames with the ne_auth_creds
callback type is now rejected for Digest auth since the
encoding is not specified. ne_add_auth() can be used instead.
- ne_request.h: the ne_create_request_fn callback is passed the
request-target using RFC 7230 terminology
* New interfaces and features:
- ne_string.h: added ne_strhash(), ne_vstrhash(), ne_strparam()
- ne_auth.h: added RFC 7616 (Digest authentication) support,
including userhash=, username*= and SHA-2 algorithms
(SHA-2 requires GnuTLS/OpenSSL). added NE_AUTH_LEGACY_DIGEST
- ne_auth.h: added ne_add_auth() unified auth callback interface,
accepts (only) UTF-8 usernames, uses a larger password buffer,
and has different/improved attempt counter semantics.
- RFC 7617 scoping rules are now applied for Basic authentication.
- ne_ssl.h: added ne_ssl_cert_hdigest()
- ne_socket.h: added ne_sock_shutdown()
- sendmsg()/send() are used with the MSG_NOSIGNAL flag to write to
sockets on Unix, rather than write()/writev(), avoiding SIGPIPE
- explicit_bzero() is used where available to clear credentials
* Bug fixes:
- fixed TLS connection shutdown handling for OpenSSL 3
- fix various Coverity and cppcheck warnings (Sebastian Reschke)
- Kerberos library detection uses pkg-config where possible.
- fix some configure checks on Win32 (Christopher Degawa)
- fix some configure errors on MacOS (Ryan Schmidt)
Changes in release 0.31.2:
* Fix ne_md5_read_ctx() with OpenSSL on big-endian architectures.
* Fix GCC 10 warning in PKCS#11 build.
* Fix OpenSSL build w/o deprecated APIs (Rosen Penev).
* Fix unnecessary MD5 test for non-Digest auth (Sebastian Reschke).
* Fix hang on SSL connection close with IIS (issue #11).
* Fix ar, ranlib detection when cross-compiling (Sergei Trofimovich).
Changes in release 0.31.1:
* ADMIN: The neon website has moved to https://notroj.github.io/neon/
* Restore ne_md5_read_ctx() in OpenSSL build.
* Fix gcc warnings on Ubuntu (Jan-Marek Glogowski).
* Fix various spelling mistakes in docs and headers (thanks to FOSSIES).
* Fix ne_asctime_parse() (Eugenij-W).
* Fix build with LibreSSL (Juan RP).
Changes in release 0.31.0:
* Interface changes:
- none, API and ABI backwards-compatible with 0.27.x and later
* New interfaces and features:
- add more gcc "nonnull" attributes to ne_request_* functions.
- for OpenSSL builds, ne_md5 code uses the OpenSSL implementation
- add NE_SESSFLAG_SHAREPOINT session flag which enables workarounds
for RFC non-compliance issues in Sharepoint (thanks to
Jan-Marek Glogowski and Giuseppe Castagno)
- ne_uri.h: add ne_path_escapef() in support of above
- ne_207.h: add ne_207_set_flags() likewise in support of above
* API clarification:
- ne_version_match() behaviour now matches actual 0.27+ ABI history
* Bug fixes:
- fixes for OpenSSL 1.1.1 and TLSv1.3 support
- fix crash with GnuTLS in client cert support (Henrik Holst)
- fix possible crash in ne_set_request_flag()
- fix build with libxml2 2.9.10 and later
- fix handling lock timeouts >LONG_MAX (Giuseppe Castagno)
Changes in release 0.30.2:
* Add support for OpenSSL 1.1.x (Kurt Roeckx).
* Fix PKCS#11 support under GnuTLS 3.x.
- PKCS#11 API no longer supported with GnuTLS 2.x
Changes in release 0.30.1:
* Fix memory leak with GnuTLS (Werner Baumann, Patrick Ohly).
* Fix possible crash after DNS lookup errors on Windows (Olivier Goffart).
* Don't fail if the SSL cert changes between connections with OpenSSL,
behaviour now matches that with GnuTLS.
* Fix PKCS#11 support under OpenSSL with TLS 1.2.
* Fix static linking with pkg-config file (Alan H).
Changes in release 0.30.0:
* Interface changes:
- none, API and ABI backwards-compatible with 0.27.x and later
* New interfaces and features:
- ne_ssl.h: added ne_ssl_clicert_import, ne_ssl_context_get_flag
- ne_session.h: added ne_set_addrlist2
- ne_socket.h: added ne_addr_canonical
- ne_auth.h: added NE_AUTH_GSSAPI_ONLY, NE_AUTH_SSPI (Nathanael Rensen)
- ne_basic.h: added NE_CAP_EXT_MKCOL options test
- ne_request.h: support chunked bodies with negative length passed to
ne_set_request_body_provider (Julien Reichel)
* Bug fixes:
- ne_path_escape: fix excessive memory allocation (Pierre Crokaert)
- SSPI auth: use canonical server hostname, clear SSPI context after
successful auth (Nathanael Rensen)
- build fixes for Open Watcom compiler (NormW)
- fix Win32 error code handling for local ne_sock_prebind bind failure
- Win32: support LFS, thread-safe OpenSSL (Diego Santa Cruz)
- GnuTLS: fix GnuTLS 3.x support (Matthias Petschick, Bartosz Brachaczek)
Changes in release 0.29.6:
* Don't abort SSL handshake with GnuTLS if a client cert is requested
but none is configured/available (thanks to Patrick Ohly)
* Fix the method string passed to create_request hooks to have the same
lifetime as the request object (Patrick Ohly)
* Docs updates.
Changes in release 0.29.5:
* Fix GnuTLS handshakes failures with 'TLS warning alert' (Bryan Cain)
* Further fix for SSPI support on Win32 (Danil Shopyrin)
Changes in release 0.29.4:
* Fix SNI support (Tobias Gruetzmacher)
* Fix possible Solaris linker errors if building static library
* Win32: Fix Kerberos authentication support with SSPI (Danil Shopyrin)
* Fix error handling when pulling a request body from an file
(thanks to Lou Montulli)
* Fix ne_request_dispatch() return value for SOCKS proxy failure cases
* Tighten SSL cert ID checks to deny a wildcard match against an IP address
Changes in release 0.29.3:
* Change ne_sock_close() to no longer wait for SSL closure alert:
- fixes possible hang with IIS servers when closing SSL connection
- this reverts the behaviour with OpenSSL to match 0.28.x, and
changes the behaviour with GnuTLS to match that with OpenSSL
* Fix memory leak with GnuTLS
* API clarification in ne_sock_close():
- SSL closure handling now documented
- return value semantics fixed to describe the implementation
Changes in release 0.29.2:
* Fix spurious 'certificate verify failed' errors with OpenSSL (Tom C)
* Fix unnecessary re-authentication with SSPI (Danil Shopyrin)
Changes in release 0.29.1:
* Fixes for (Unix) NTLM implementation:
- fix handling of session timeout (Kai Sommerfeld)
- fix possible crash ([email protected])
* Fix unnecessary re-authentication with SSPI (Danil Shopyrin)
* Build fixes for Win32:
- fix use of socklen_t with recent SDKs (Stefan Kung)
- fix USE_GETADDRINFO on Win2K (Kai Sommerfeld)
* Fix build with versions of GnuTLS older than 2.8.0.
Changes in release 0.29.0:
* Interface changes:
- none, API and ABI backwards-compatible with 0.28.x and 0.27.x
* New interfaces and features:
- added NTLM auth support for Unix builds (Kai Sommerfeld, Daniel Stenberg)
- ne_auth.h: added NE_AUTH_GSSAPI and NE_AUTH_NTLM auth protocol codes
- added ne_acl3744.h, updated WebDAV ACL support (Henrik Holst)
- added built-in SOCKS v4/v4a/v5 support: ne_socket.h:ne_sock_proxy(),
and ne_session.h:ne_session_socks_proxy()
- added support for system-default proxies: ne_session_system_proxy(),
implemented using libproxy where available
- ne_session.h: added NE_SESSFLAG_EXPECT100 session flag, SSL verification
failure bits extended by NE_SSL_BADCHAIN and NE_SSL_REVOKED, better
handling of failures within the cert chain (thanks to Ludwig Nussel)
- ne_utils.h: added feature code NE_FEATURE_SYSPROXY
- ne_socket.h: ne_sock_writev() (Julien Reichel), ne_sock_set_error(),
ne_iaddr_raw(), ne_iaddr_parse()
- ne_string.h: ne_buffer_qappend(), ne_strnqdup()
* Deprecated interfaces:
- ne_acl.h is obsoleted by ne_acl3744.h (but is still present)
- obsolete feature "NE_FEATURE_SOCKS" now never marked present
* Other changes:
- fix handling of "stale" flag in RFC2069-style Digest auth challenge
- ne_free() implemented as a function on Win32 (thanks to Helge Hess)
- symbol versioning used for new symbols, where supported
- ensure SSL connections are closed cleanly with OpenSSL
- fix build with OpenSSL 1.0 beta
- updated Polish (pl) translation (Arfrever Frehtes Taifersar Arahesis)
Changes in release 0.28.6:
* SECURITY (CVE-2009-2473): Fix "billion laughs" attack against expat;
could allow a Denial of Service attack by a malicious server.
* SECURITY (CVE-2009-2474): Fix handling of an embedded NUL byte in
a certificate subject name with OpenSSL; could allow an undetected
MITM attack against an SSL server if a trusted CA issues such a cert.
Changes in release 0.28.5:
* Enable support for X.509v1 CA certificates in GnuTLS.
* Fix handling of EINTR in connect() calls.
* Fix use of builds with SOCK_CLOEXEC support on older Linux kernels.
Changes in release 0.28.4:
* Fix ne_forget_auth (Kai Sommerfeld)
* GnuTLS support fixes:
- fix handling of PKCS#12 client certs with multiple certs or keys
- fix crash with OpenPGP certificate
- use pkg-config data in configure, in preference to libgnutls-config
* Add PKCS#11 support for OpenSSL builds (where pakchois is available)
* Fix small memory leak in PKCS#11 code.
* Fix build on Haiku (scott mc)
Changes in release 0.28.3:
* SECURITY (CVE-2008-3746): Fix potential NULL pointer dereference in
Digest domain parameter support; could allow a DoS by a malicious server
* Fix parsing of *-Authenticate response header with LWS after quoted value
* Fix ne_set_progress(, NULL, ) to match pre-0.27 behaviour (and not crash)
* Fix to disable Nagle on Win32 with newer toolchain (thanks to Stefan Küng)
* Fix build on Netware (Guenter Knauf)
* Document existing ne_uri_parse() API postcondition and ne_uri_resolve()
pre/postconditions regarding the ->path field in ne_uri structures
* Mark ne_{,buffer_}concat with sentinel attribute for GCC >= 4.
* Distinguish the error message for an SSL handshake which fails after a
client cert was requested.
* Compile with PIC flags by default even for static library builds
Changes in release 0.28.2:
* Support "Proxy-Connection: Keep-Alive" for compatibility with HTTP/1.0
proxies which require persistent connections for NTLM authentication
* Fix an fd leak in ne_ssl_{,cli}cert_read (GnuTLS only)
* Enable fast initialization in GnuTLS.
Changes in release 0.28.1:
* Fix Win32 build
* Fix build on SCO OpenServer 5.0.x (thanks to Nico Kadel-Garcia)
* Fix handling of Digest domain parameter values without a trailing slash
* Fix build against apr-util's bundled libexpat.la in Subversion
* Add --without-pakchois to configure (Arfrever Frehtes Taifersar Arahesis)
* zh message catalog renamed to zh_CN, translation updated (Dongsheng Song)
Changes in release 0.28.0:
* Interface changes:
- none, API and ABI backwards-compatible with 0.27.x
* New interfaces:
- ne_pkcs11.h: added basic PKCS#11 support (requires GnuTLS and pakchois)
- ne_auth.h: added NE_AUTH_ALL and NE_AUTH_DEFAULT constants
- ne_socket.h: added ne_sock_peer(), ne_sock_prebind(), ne_sock_cipher()
- ne_session.h: NE_SESSFLAG_TLSSNI flag added; TLS SNI support is enabled
by default, where supported; ne_set_localaddr() added
- ne_request.h: added close_conn hooks (Robert J. van der Boon)
- ne_basic.h: added ne_options2()
* Other changes:
- add Polish (pl) translation (Arfrever Frehtes Taifersar Arahesis)
- add support for the 'domain' parameter in Digest authentication
- fix fd leak in ne_sock_connect() error path (Andrew Teirney)
- the FD_CLOEXEC flag is set on socket fds
- fix timezone handling in ne_dates for more platforms (Alessandro Vesely)
- fix ne_simple_propfind() to print XML namespaces in flat property values
- fix ne_get_range() for unspecified end-range case (Henrik Holst)
- fix ne_strclean() to be locale-independent and avoid possible Win32 crash
- fix ne_get_error() to not "clean" localized error strings
- fix ne_ssl_clicert_read() to fail for client certs missing cert or key
- Win32: fix build with VS 2008 (Stefan Kueng)
- Win32: fix neon.mak to not double-quote $(MAKE) (Henrik Holst)
- improve strength of Digest cnonces in GnuTLS builds
Changes in release 0.27.2:
* Fix crash in GSSAPI Negotiate response header verification (regression
since 0.26.x)
Changes in release 0.27.1:
* Fix regression in response progress counter for notifier/progress callbacks
* Fix interface description for ne_set_notifier() callback; sr.total
is set to -1 not 0 for an indeterminate response length
Changes in release 0.27.0:
* New interfaces:
- ne_session.h: ne_fill_proxy_uri() retrieves configured proxy,
ne_hook_post_headers() adds a hook after response headers are read,
ne_set_connect_timeout() sets session connection timeout,
NE_SESSFLAG_RFC4918, NE_SESSFLAG_CONNAUTH flags added
- ne_socket.h: ne_sock_connect_timeout() sets connection timeout,
ne_iaddr_reverse() performs reverse DNS lookup
- ne_string.h: ne_buffer_snprintf() prints to a buffer object
- ne_xml.h: ne_xml_resolve_nspace() resolves namespace prefixes
* Interface changes:
- ne_set_notifier() replaces ne_set_status(); finer-grained and type-safe
connection status information now provided; obsoletes ne_set_progress()
- ne_xml_dispatch_request() now only invokes the XML parser for
response entities with an XML content-type, following RFC 3023 rules
- ne_acl_set() now takes a "const" entries array
- LFS compatibility functions *64 removed: all functions taking an
off_t now take an ne_off_t which is off64_t for LFS builds
* GnuTLS support now mostly feature-complete with OpenSSL support:
- greatly improved SSL distinguished name handling with GnuTLS >= 1.7.8
* Other changes:
- descriptive error messages for authentication failures
- SSPI support uses canonical DNS server name (Yves Martin)
- fixes for handling of "stale" parameter in Digest authentication
- added support for URIs in SSL server certificate subjectAltName field
- fix compiler warnings with expat 2.x
- fix handling of "Transfer-Encoding: identity" responses from privoxy
Changes in release 0.26.4:
* Fix Negotiate Authentication-Info response header verification with GSSAPI
* Fix multiple handlers with ne_add_{server,proxy}_auth (Werner Baumann)
* Fix SSPI build with some versions of MinGW (Gisle Vanem)
* Fix for SSPI segfault in response header verification (Mike DiCuccio)
* Fix error strings for CONNECT SSL proxy tunnel request failure
* Fix install-nls for VPATH builds (Hans Meine)
* Fix use of unencrypted client certs with GnuTLS
* Fix ne_lock* If: header insertion to use CRLF-terminated headers
* Fix test suite failures on QNX by working around send() length limit
* Fix handling of POSIX strerror_r failure case in ne_strerror
* Fix alignment issues in test suite MD5 code
Changes in release 0.26.3:
* Fix buffer under-read in URI parser (Laszlo Boszormenyi, CVE-2007-0157)
* Fix regression in handling of "attempt" argument passed to auth callbacks;
ensure the value only increments for each invocation of the callback
* Fix handling of "nextnonce" parameter in Digest authentication
Changes in release 0.26.2:
* Fix error reported for LOCK responses lacking a Lock-Token header.
* Use Libs.private in neon.pc for newer versions of pkg-config.
* Build fix for platforms without libintl.h.
* Build fixes for MinGW. (Matthias Miller)
* Build fix for h_errno detection on HP-UX 10. (Albert Chin)
* Win32: enable debugging; build fixes with some SDKs. (Kiyo Kelvin Lee)
Changes in release 0.26.1:
* Build fixes for Win32 (D.J. Heap) and OS X.
* Add Simplified Chinese translation (Dongsheng Song).
Changes in release 0.26.0:
* Added internationalization support:
- ne_i18n.h exposes ne_i18n_init(), a process-global initializer
which may be required for some applications
- (partial) message catalogs for cs, de, fr, ja, nn, ru and tr
- NE_FEATURE_I18N feature code added to indicate support
* Added support for GnuTLS (thanks to Aleix Conchillo Flaque):
- pass --with-ssl=gnutls to configure; GnuTLS >= 1.0.22 required
- use --with-ca-bundle to specify a default SSL CA root bundle
- some remaining issues with PKCS#12 certs in current GnuTLS releases,
distinguished name handling is sub-standard relative to OpenSSL
* Changes and additions to URI support:
- ne_uri structure: add query, fragment fields; authinfo renamed
to userinfo
- ne_uri_parse() now takes a URI-reference as input rather than
the previous pseudo-URI syntax; the query and fragment components
are now parsed out. Many malformed URIs are now rejected
- ne_uri_unparse() changed to respect the new fields
- ne_uri_resolve(): new function; resolves relative URI references
- ne_uri_copy(): new function, copies a URI structure
* Changed results callbacks for ne_lock_discover, PROPFIND interfaces:
- take URI as parsed ne_uri * structure rather than char *
* Added functions which give control over authentication protocol use:
- ne_add_server_auth(), ne_add_proxy_auth()
* Added ne_unhook_* functions to remove hooks
* Added ne_set_session_flags()/ne_get_session_flags() functions:
- flags to disable persistent connection support, enable "ICY"
protocol support, and to disable SSLv2 protocol support.
- replaces ne_set_persist()
* Added ne_set_request_flags()/ne_get_request_flags() functions:
- flags to enable 100-continue support, mark requests as non-idempotent
- replaces ne_set_request_expect100()
* Change ne_md5.h interface to make struct ne_md5_ctx opaque:
- added ne_md5_create_ctx(), ne_md5_destroy_ctx(), ne_md5_reset_ctx(),
ne_md5_finish_ascii(); removed ne_md5_init_ctx()
- fix alignment issues which could cause crashes in Digest code
* Fixed ne_get_range(), added ne_get_range64() (thanks to Lennart Poettering)
* Removed NE_FREE() macro from ne_alloc.h
* Added ne_strcasecmp(), ne_strncasecmp(), ne_tolower() functions
to ne_string.h - locale-independent string comparison
* Changed ne_sock_init()/ne_sock_exit() such that ne_sock_exit()
only has effect once called an equal number of times to _init().
* Added "--enable-threadsafe-ssl=posix" configure flag, to enable
thread-safe SSL support using POSIX threads in OpenSSL/GnuTLS
- NE_FEATURE_TS_SSL feature code added to indicate support
* The manual is now licensed under the GPL rather than the GFDL
Changes in release 0.25.5:
* ne_ssl_clicert_decrypt(): catch and fail to load a client cert
with mismatched key/cert pair.
* Fix build issue on AIX 5.1.
* Fix warnings if built against OpenSSL >= 0.9.8.
* Win32: fix issues in SSPI implementation (Stefan Küng).
Changes in release 0.25.4:
* GSSAPI fixes for non-MIT implementations (Mikhail Teterin).
* Fix ne_print_request_header() et al to use 8K buffer size on all
platforms (fixes issue with long Destination: URLs on Win32).
* Win32 build fix for !USE_GETADDRINFO configuration.
* Documentation updates.
Changes in release 0.25.3:
* ne_lock() and ne_unlock(): fix cases where NE_ERROR would be returned
instead of e.g. NE_AUTH on auth failure.
* Prevent use of poll() on Darwin.
* Fix gethostbyname-based resolver on LP64 platforms (Matthew Sanderson).
Changes in release 0.25.2:
* Really fix the Win32 build.
Changes in release 0.25.1:
* ne_get_content_type(): fix cases where the charset field was not set
to NULL after successful return (Johannes Schneider)
* Compressed response handling fixes:
- fix double invocation of reader callback with len=0
- fix cases where the reader callback return value was ignored
* Cache the new SSL session if the old one was expired (Robert Eiglmaier)
* Win32: fix build issues.
Changes in release 0.25.0:
* New interfaces:
- ne_get_response_header() replaces ne_add_response_header_handler
- ne_read_response_to_fd() and ne_discard_response() for use with
ne_begin_request/ne_end_request style response handling
- ne_xmlreq.h: ne_xml_parse_response() and ne_xml_dispatch_request()
- ne_has_support() for feature detection, replaces ne_support_ssl()
- ne_set_addrlist() can be used to bypass normal DNS hostname resolver
- ne_buffer_czappend(), convenience wrapper for ne_buffer_append.
- ne_iaddr_typeof() returns type of a socket object
- ne_get_content_type() replaces ne_content_type_handler()
- ne_set_request_expect100() replaces ne_set_expect100()
* New interfaces on LFS systems for large file support:
- ne_set_request_body_fd64() call for using an fd opened using O_LARGEFILE
- ne_set_request_body_provider64(), takes an off64_t length argument
* Interface changes:
- ne_set_request_body_fd takes offset and length arguments and returns void
- ne_set_request_body_provider takes length as off_t rather than size_t;
provider callbacks now MUST set session error string if returning an error
- response body reader callback returns an integer and can abort the response
- ne_decompress_destroy() returns void; errors are caught earlier
- ne_xml_failed() replaces ne_xml_valid(), with different return value logic
- ne_xml_parse() can return an error; ne_xml_parse_v() aborts the response if
the parse either fails or is aborted by a handler returning NE_XML_ABORT
- ne_path_escape() now escapes all but unreserved characters
- ne_ssl_clicert_name() and ne_ssl_cert_identity() clarified to return UTF-8
- ne_ssl_clicert_name() clicert object argument is now const
- ne_uri_parse()/ne_uri_free() memory handling clarified
- removed the buffer length requirement for ne_read_response_block()
* Bug fixes:
- properly handle multiple Authentication challenges per request
- fixes and improvements to the Negotiate auth implementation
- handle proxies which send a 401 auth challenge to a CONNECT request
- XML: handle the UTF-8 BOM even if the underlying parser does not
- Win32: Fix timezone handling (Jiang Lei)
- ne_lock_refresh() works and will update timeout of passed-in lock
- persistent connection timeout handling fixes for CygWin et al
- impose hard limit of 1024 props per resource in ne_props.h response parsing
* New platform-specific features:
- Win32: Negotiate/NTLM support using SSPI (Vladimir Berezniker)
- Win32: Add IPv6 support using ENABLE_IPV6 neon.mak flag (Kai Sommerfeld)
* Removed features:
- the cookies interface has been removed
- removed functions: ne_service_lookup(), ne_put_if_unmodified()
- "qop=auth-int" support removed from Digest auth implementation
* Default XML parser search changed to check for expat before libxml2.
Changes in release 0.24.7:
* Compression interface fixes:
- fix issues handling content decoding and request retries from
authentication challenges (Justin Erenkrantz)
- fix places where reader callback would receive spurious size=0 calls
- fix to pass user-supplied userdata to user-supplied acceptance callback
* Fix for RFC2617-style digest authentication (Hideaki Takahashi).
* Fix to pick up gethostbyname() on QNX 6.2.
Changes in release 0.24.6:
* SECURITY (CVE CAN-2004-0398): Fix sscanf overflow in ne_rfc1036_parse,
thanks to Stefan Esser.
* Link libneon against libexpat during Subversion build using bundled neon.
* Win32 build script update (Jon Foster).
Changes in release 0.24.5:
* SECURITY (CVE CAN-2004-0179): Fix format string vulnerabilities in
XML/207 response handling, reported by [email protected].
* Performance fix: avoid seeding the SSL PRNG if not creating an SSL socket.
* ne_ssl_readable_dname() is now defined to return UTF-8 strings.
* Fix case where gssapi/gssapi_generic.h was included but not present.
* Fix ne_utils.c build on platforms where zlib does "#define const".
* Fix use of ne_proppatch_operation with some C++ compilers.
* Update libtool for fix to --enable-shared on Darwin.
* BeOS: check for gethostbyname in -lbind (David Reid).
Changes in release 0.24.4:
* Ignore unclean SSL closure when response body is delimited by EOF
("Could not read response body: Secure connection truncated" errors
with some buggy SSL servers).
* Fix test/ssl.c syntax errors with C89 compilers (Radu Greab).
Changes in release 0.24.3:
* Respect configure's --datadir argument (Max Bowsher).
* Fix build on Windows when OpenSSL is not used.
* Fix use of SSLv2 (spurious "Server did not present certificate" error).
* When using SSL via a proxy, prevent leaking server auth credentials
to the proxy, or proxy auth credentials to the server.
Changes in release 0.24.2:
* Fix name resolver with some old versions of glibc.
* Fix problems with configure's "time_t format string" detection.
* Fix problems when a broken Kerberos installation is found.
* When verifying SSL certificates, check iPaddress names in the
subjectAltName extension.
Changes in release 0.24.1:
* Add support for "GSS-Negotiate" Kerberos authentication scheme (from
Risko Gergely and Burjan Gabor).
* Disable Nagle to improve performance of small requests (thanks to
Jim Whitehead and Teng Xu).
* Fix compatibility with OpenSSL 0.9.6 (broken in 0.24.0).
* Fix prototype mismatch in ne_207.c.
* Define ssize_t from ne_request.h for Win32.
* Prevent segfault on zlib initialization failures.
* ne_sock_init does not fail if PRNG could not be seeded.
* Fix segfault in cookies code (Markus Mueller).
* Documentation updates.
Changes in release 0.24.0:
* Major changes to XML interface:
- have the start-element callback either accept, decline, abort,
or return a state integer.
- remove 'struct ne_xml_elm'; callbacks are passed {nspace, name}
strings along with a state integer.
- dropped "collect", "strip-leading-whitespace" modes
- push responsibility for accumulating cdata onto caller; drop 'cdata'
argument from end-element callback.
- don't abort if no handler accepts a particular element, just ignore
that branch of the tree.
- dropped support for libxml 1.x and expat < 1.95.0.
- guarantee that start_element callback is not passed attrs=NULL
- add ne_xml_doc_encoding() to retrieve encoding of parsed XML document.
* Major changes to SSL interface:
- rewrite of interfaces for handling server and client certificates;
ne_ssl.h: many new functions available.
- only PKCS#12-encoded client certs are supported.
- changes to most names of SSL-related functions operating on an
ne_session, e.g. ne_ssl_load_cert->ne_ssl_trust_cert.
- client cert provider callback is passed the set of acceptable CA
names sent by the server
- the entire chain of certs presented by server is now accessible
* Remove unused ne_register_progress() from socket layer.
* Changes to resolver interface: ne_addr_first and _next return const;
ne_addr_print renamed to ne_iaddr_print; ne_iaddr_make and ne_iaddr_free
have been added.
* ne_request_create() now duplicates the method string passed in.
* ne_redirect_location() will now return NULL in some cases.
* Split socket creation to ne_sock_create() from ne_sock_connect:
- should report connect() error messages properly on Win32.
* Fix several memory leaks in error handling paths.
* Add a pkg-config file, neon.pc.in.
Changes in release 0.23.9:
* Fix inability to connect on AIX 4.3.
* neon-config exports includes needed for OpenSSL given by pkg-config.
* ne_redirect_location will return NULL if redirect hooks have not
been registered for the session (Ralf Mattes <[email protected]>).
Changes in release 0.23.8:
* SECURITY: Prevent control characters from being included in the
reason_phrase field filled in by ne_parse_statusline(), and in
the session error string.
* Disable getaddrinfo() support on HP-UX; fix resolver for HP-UX 11.11.
* Fix digest auth response verification for >9 responses in session
(bug manifests as "Server was not authenticated correctly" error).
* On Linux, skip slow lookup for IPv6 addresses when IPv6 support is
not loaded in kernel (thanks to Daniel Stenberg for this technique).
* Update to autoconf 2.57 and libtool 1.4.3.
Changes in release 0.23.7:
* Fix for handling EINTR during write() call (Sergey N Ushakov).
* When available, use pkg-config to determine compiler flags needed to
use OpenSSL headers and libraries.
Changes in release 0.23.6:
* Fixes for error handling in socket layer on Win32 from Johan Lindh
and Sergey N Ushakov <[email protected]>:
- meaningful error messages rather than "No error"
- handle persistent connection timeouts properly
* Fix to use RFC2617-style digest auth when possible (had reverted to
only using RFC2068-style in 0.16.1).
* Fix NULL pointer dereference on certain ill-formed PROPFIND responses.
* Allow ne_sock_init to re-initialize after ne_sock_finish has been called
(Sergey N Ushakov).
Changes in release 0.23.5:
* Fix rejection of SSL server certificates which had commonName as
the least specific attribute in the subject name.
* Fix to dereference entities (e.g. "&") in attribute values with libxml.
* Fix ne_socket.c build on HP-UX 10.20 (thanks to Branko Èibej)
* Remove misguided insistence on "secure" versions of zlib/OpenSSL;
no checks for zlib version are now performed, only OpenSSL 0.9.6 is
required. --with-force-ssl, --with-force-zlib option removed.
* Add --with-egd[=PATH] option, conditionally enable EGD support; either
using EGD socket at PATH, or fall back on system defaults. $EGDSOCKET
and $HOME/.entropy are no longer used.
* Add support for `--la-file' argument to neon-config, which prints the
full path of the installed libneon.la file.
Changes in release 0.23.4:
* Ignore an unclean SSL shutdown on persistent connection timeout
(fixing spurious "Secure connection truncated" errors).
* Fix a segfault on second and subsequent requests using a given
session, when the first fails with NE_LOOKUP.
* Fix configure for gcc installations which produce warnings by default
(such as gcc on hppa2.0n-hp-hpux11.00 using native as)
Changes in release 0.23.3:
* Further build fixes for Win32 (Blair Zajac).
* Another fix for use of SSL against Tomcat 3.2.
Changes in release 0.23.2:
* Build fix for Win32 (Blair Zajac).
Changes in release 0.23.1:
* Identify as correct version, not 0.22.
Changes in release 0.23.0:
* Improved address resolver (ne_addr_*) replacing ne_name_lookup():
- use getaddrinfo() if found; include support for IPv6 (based on work
by Noriaki Takamiya <[email protected]>)
* For a hostname with multiple addresses, each address is tried in turn
until a connection is made.
* Support for seeding OpenSSL's PRNG via $EGDSOCKET or $HOME/.entropy,
to enable SSL on platforms which lack a /dev/random device.
* RFC2818 compliance for certificate identity checks in SSL:
- use `dNSname' values in subjectAltName extension if present
- hostname comparison fixed to not be case-sensitive
* Fix interop with buggy SSL implementation in Tomcat 3.2.
* Added NE_DBG_SSL debug channel.
* ne_strerror changed to return the passed-in buffer.
* Added ne_strnzcpy macro to ne_string.h.
* Win32 build fixes, improvements, and documentation updates, from
Blair Zajac <[email protected]>.
* Fix ne_sock_init so SIGPIPE signals are ignored even if SSL library
initialization fails (e.g. platforms without /dev/random).
* Added reference documentation:
- ne_sock_init, ne_addr_*.
Changes in release 0.22.0:
* Remove the const qualifier from the reason_phrase field in ne_status.
- ne_parse_statusline() now strdup's the reason_phrase
* Remove the status_line argument from ne_207_end_propstat and _end_response
* Change ne_session_create, ne_session_proxy, ne_sock_connect, and the
'port' field of the ne_uri structure to use an unsigned int for port numbers
* ne_uri_defaultport returns unsigned and '0' on an unknown port (not -1).
* Changes to hooks interface:
- pass an ne_request pointer to per-request hooks
- replace "accessor" hooks with ne_{get,set}_{request,session}_private
* Authentication changes:
- the hooks changes fix a segfault if auth is enabled for an SSL session
through a proxy server
- fix ne_forget_auth segfault if either proxy or server auth are not used
* Improvements to persistent connection retry logic and error handling
in request code; fixing some cases where some errors where incorrectly
treated as a persistent connection timeout
- a TCP RST at the appropriate time is now treated as a persistent
connection timeout.
- handle persistent connection timeouts on SSL connections
* Changes to SSL support:
- improved error handling
- OpenSSL 0.9.6f or later is required for security fixes and functional
correctness; 0.9.6 or later required for functional correctness
- use --with-force-ssl to override OpenSSL version check
- fix for proxy CONNECT tunnelling with some proxies (e.g. Traffic-Server)
- fix potential segfault if client cert. provider callback is used
- fix to use supplied password callback for PEM-encoded client certificates
(Daniel Berlin <[email protected]>)
* strerror_r is used if available for thread-safe error handling.
* Remove ne_read_file().
* ne_version_match replaces ne_version_minimum (semantics changed slightly).
* XML request bodies use a content-type of "application/xml" now;
applications can use NE_XML_MEDIA_TYPE from ne_xml.h
* Fix decompress code on big-endian or 64-bit platforms.
* Fix to build on Darwin 6 (aka Mac OS X 10.2) (Wilfredo Sánchez,
* Win32 changes:
- remove conflict between OpenSSL's X509_NAME and recent versions of
the Platform SDK (Branko Èibej)
- fix inverted debug/non-debug build logic (Branko Èibej)
- add NODAV and OPENSSL_STATIC flags to neon.mak (Gerald Richter)
Changes in release 0.21.3:
* Fix segfault if using proxy server with SSL session and server
certificate verification fails.
* Fix leak of proxy hostname once per session (if a proxy is used).
* Add --with-libs configure argument; e.g. --with-libs=/usr/local picks
up any support libraries in /usr/local/{lib,include}
Changes in release 0.21.2:
* Fix 'make install' for VPATH builds.
* Use $(mandir) for installing man pages (Rodney Dawes).
* Follow some simple (yet illegal) relativeURI redirects.
* Always build ne_compress.obj in Win32 build (Branko Èibej).
* Fix decompression logic bug (Justin Erenkrantz <[email protected]>)
(could give a decompress failure for particular responses)
* Fix ne_proppatch() to submit lock tokens for available locks.
* More optimisation of ne_sock_readline.
Changes in release 0.21.1:
* Don't include default SSL port in Host request header, which can
help interoperability with misbehaving servers (thanks to Rodney Dawes
* Don't give a "truncated response" error from ne_decompress_destroy if
the acceptance function returns non-zero.
* Fix for Win32 build (Sander Striker <[email protected]>).
* Fix for cookie name/value being free()d (thanks to Dan Mullen).
* Optimisation of ne_sock_readline.
Changes in release 0.21.0:
* Socket layer implements read buffering; efficiency and performance
improvement. Based on work by Jeff Johnson <[email protected]>
* Cleanup of socket interface:
- renamed everything, s/sock_/ne_sock_/, s/SOCK_/NE_SOCK_/
- removed unused and inappropriate interfaces.
- renaming done by Olof Oberg <[email protected]>
- see src/ChangeLog for the gory details.
* Fix typoed 'ne_destroy_fn' typedef (Olof Oberg).
* Support OpenSSL/ENGINE branch.
* Bogus ne_utf8_encode/decode functions removed.
* ne_base64() moved to ne_string.[ch].
* ne_token drops 'quotes' parameter; ne_qtoken added.
* ne_buffer_create_sized renamed to ne_buffer_ncreate.
* ne_xml_get_attr takes extra arguments and can resolve namespaces.
* ne_accept_response function type takes const ne_status pointer.
* Drop support for automatically following redirects:
- ne_redirect_register just takes a session pointer
- ne_redirect_location returns an ne_uri pointer
* configure changes: --with-ssl and --with-socks no longer take a directory
argument. To use SOCKS or SSL libraries/headers in non-system locations,
use ./configure CPPFLAGS=-I/... LDFLAGS=-L/...
* Reference documentation included for most of ne_alloc.h and ne_string.h,
and parts of ne_session.h and ne_request.h.
- see installed man pages, HTML documentation.
Changes in release 0.20.0:
* Major changes to DAV lock handling interface (ne_locks.h):
- struct ne_lock uses a full URI structure to identify locked resource
- ne_lock() requires that owner/token fields are malloc-allocated (or NULL)
on entry
- introduce a "lock store" type, ne_lock_store, to replace the lock session;
accessor functions all renamed to ne_lockstore_*.
- ne_lock_iterate replaced with a first/next "cursor"-style interface
- If: headers use an absoluteURI (RFC2518 compliance fix).
- fix for handling shared locks on DAV servers which return many active locks
in the LOCK response (thanks to Keith Wannamaker)
* Moved URI/path manipulation functions under ne_* namespace (ne_uri.h):
- path handling functions renamed to ne_path_*
- URI structure handling to ne_uri_*; struct uri becomes ne_uri.
- ne_uri_parse doesn't take a 'defaults' parameter any more
- if URI port is unspecified, ne_uri_parse sets port to 0 not -1.
- added ne_uri_unparse and ne_uri_defaultport functions.
* New 'ne_fill_server_uri' function to initialize a URI structure with
the server details for a given session (useful with locks interface).
* ne_decompress_{reader,destroy} are defined as passthrough-functions
if zlib support is not enabled.
* API change: ne_ssl_provide_fn returns void not int.
* Added NE_SSL_FAILMASK for verify failure sanity check.
* Removed return codes NE_SERVERAUTH and and NE_AUTHPROXY; correct
documentation, NE_PROXYAUTH is given for proxy auth failure.
* Require zlib >= 1.1.4 to avoid possible vulnerability in earlier versions.
See http://www.gzip.org/zlib/advisory-2002-03-11.txt for more details.
(version check can be skipped by passing --with-force-zlib to configure)
* New 'ne_ssl_readable_dname' function to create a human-readable string
from an X509 distinguished name.
* Fix support for newer versions of libxml2 (thanks to Jon Trowbridge
* Fix corruption of reason_phrase in status object returned by
ne_propset_status.
* More lenient handling of whitespace in response headers.
* ne_content_type_handler will give a charset of "ISO-8859-1" if no charset
parameter is specified for a text/* media type (as per RFC2616).
* Miscellaneous cleanups and fixes (Jeff Johnson <[email protected]>).
Changes in release 0.19.4:
* Support bundled build of expat 1.95.x (Branko Èibej).
Changes in release 0.19.3:
* For platforms lacking snprintf or vsnprintf in libc, require trio.
* Add NE_FMT_OFF_T to fix Win32 build (Dan Berlin, Branko Èibej).
* Fix SSL support in Win32 build (Branko Èibej).
Changes in release 0.19.2:
* Fix non-SSL build broken in 0.19.1.
* Working SOCKSv5 support (thanks to Torsten Kalix <[email protected]>)
Changes in release 0.19.1:
* Add missing stubs for ne_ssl_* functions for non-SSL build.
* Fix some error messages in new SSL code.
Changes in release 0.19.0:
* Major API change: ne_session_create now takes (scheme, hostname, port)
arguments: a session is clarified to be "a group of requests to a
certain server".
- removal of ne_session_server, ne_set_secure, and ne_set_proxy_decider
- ne_session_proxy returns void.
- DNS lookups are delayed until request dispatch time.
* Significant improvements to TLS/SSL support:
- SSL is enabled if scheme passed to ne_session_create is "https"
- new interfaces to load CA certs and to load SSL library's bundled CA certs
- add server cert verification callback. An SSL connection to a server
with an unknown CA will now fail unless a verification callback is used.
- enable SSL session caching (performance improvement)
- support for wildcard server certs where commonName is "*.example.com".
- thanks to Tommi Komulainen for the contribution of code from mutt's
IMAP/SSL implementation under the LGPL, from which bits of this were derived.
* Improved SSL client certificate support:
- far simpler interface, all done at ne_session.h level.
- supports PKCS#12 and PEM-encoded certificates.
- optional callback for only providing client when demanded by server.
* Support for TLS upgrade is removed, since it isn't useful.
* If NEON_SSL is defined, API extensions are available to:
- allow access to the SSL_CTX * to adjust session SSL options
- retrieve the server certificate (X509 *)
* Decompress fixes:
- fix potential segfault in ne_decompress_destroy
- check the CRC of the deflated output (and fail if it doesn't match)
- fail appropriately on truncated responses, and trailing bytes in response.
* Added ne_set_read_timeout to use configurable timeout on socket reads.
* Malformed response headers will be ignored rather than failing the request.
* ne_set_error takes printf-style vararg.
* Fixes for ne_get_range and improve error handling.
* Functions which append to an ne_buffer do not return a success value,
but they do use ne_realloc/ne_malloc under the hood now, so an OOM callback
will be used (with the usual caveats).
* XML interface does not strip leading whitespace from cdata by default,
the NE_XML_STRIPWS flag is available to restore this feature if required.
* Upgraded to libtool 1.4.2:
- should fix --enable-shared on Mac OS X 10.1
* Test suite now contains over one hundred tests.
Changes in release 0.18.5:
* Removed old neon.dsp, neon.dsw.
* Update Win32 build to add OpenSSL and zlib support (Branko Èibej).
* Fix ne_compress.c to compile on Win32 (Branko Èibej).
Changes in release 0.18.4:
* Fixes for Content-Type parsing using ne_content_type_handler (Greg Stein)
- also now parses the charset parameter from header value.
* Removed ne_concat() function, which didn't work and wasn't used.
Changes in release 0.18.3:
* Fix parsing lock timeout from server (Arun Garg).
* Send Timeout headers in LOCK and refresh LOCK requests (Arun Garg).
* Updated neon.mak and config.hw.in for Win32 build (patch from
Branko Èibej <[email protected]>).
* Define XML_BYTE_ORDER for bundled expat build in support macro
NEON_XML_PARSER().
Changes in release 0.18.2:
* Fix --with-neon=PATH in support macros.
* Support DESTDIR in Makefile install targets (patch by
Pawel Golaszewski <[email protected]>).
* Portability fixes:
- fix configure check for time_t on some platforms (e.g Solaris 2.6).
- remove expect100_works bitfield in ne_session structure (thanks to
Yan Periard <[email protected]>).
Changes in release 0.18.1:
* Minor fix for authentication: "attempt" counter was not reset correctly
after authentication failed, so subsequent requests would not authenticate
correctly either.
* API change: ne_session_destroy returns void (there was no error case).
* Portability fixes (non-GCC compilers, 64-bit platforms, UnixWare 7)
* Optimisations in string manipulation routines.
* config.hw is included in the release tarball again.
* Improvements in the autoconf support macros:
- check for neon-config in PATH if --with-neon is not given
- stop if --with-neon is used, and the check for external neon fails
- added NEON_WITHOUT_ACL to prevent build of ne_acl.o
Changes in release 0.18.0:
* API change: authentication callback is passed fixed-size username/password
buffers, and an 'attempt' counter. Authentication is retried *forever*
until either it succeeds, or the callback returns non-zero.
* API clarifications:
- ne_propname may have a NULL nspace field, indicating the property has no
namespace. This holds for properties returned by the propfind interfaces.
- added NE_ELM_PROPS_UNUSED as the lowest element number which should
be used with handlers added to the XML parser returned by
ne_propfind_get_parser.
* Fixes and cleanups of lock discovery interface.
* Fix for short write handling in ne_get() (thanks to rado <[email protected]>).
* Fix for XML namespace prefix handling where a prefix could be mapped to an
incorrect URI (e.g. in PROPFINDs against mod_dav with >10 namespaces used)
* Add '--support <feature>' option to neon-config; the script exits with
success if given feature is supported. Known features are ssl, dav, zlib.
* Support for SSL, DAV, zlib is exported by neon.m4 as shell variable
NEON_SUPPORTS_{SSL,DAV,ZLIB}={yes,no} for bundled and external builds.
* `neon-config --cflags` won't include -I/usr/include for SSL build.
* Fix to call progress callbacks while sending request bodies again.
* Test changes:
- portability fixes, auth interface and progress tests.
Changes in release 0.17.2:
* Accept Status-Lines with no reason phrase (Jeremy Elson).
* Fix handling of persistent connection timeout, and better error
handling if sending a request fails.
* Fix crashes in locking code.
* Return parse error on XML namespace prefix declaration with
an empty value. Thanks to Julian Reschke.
* Allow passing property names with NULL namespace to ne_proppatch.
* Fix for cross-compilation (Mo DeJong).
* Moved ne_propname definition from ne_207.h to ne_props.h.
* Test changes:
- updated for Status-Line parsing changes (Jeremy Elson)
- better persistent connection tests
- fixed for --disable-webdav build
Changes in release 0.17.1:
* Add support for ACL method (Arun Garg <[email protected]>),
see ne_acl.h.
* Fixes and clean up of libraries exported via `neon-config --libs'
* Fix timezone handling when parsing dates (on some platforms).
* Upgrade to autoconf 2.52 and libtool 1.4 (thanks to Mo DeJong).
* Cleanup/simplification of request dispatching:
- better handling of error cases, including fix for a possible
infinite loop when the server closes the connection prematurely.
* Add '--without-zlib' configure option.
* Test changes:
- prettify output; imitate Perl test suite output.
- add tests for interim 1xx responses, persistent connections, more
unbounded operations.
Changes in release 0.17.0:
* Add support for decoding gzip Content-Encoding: see ne_compress.h.
- built if zlib is found; `neon-config --cflags' will define NEON_ZLIB if so.
* Rewrite hooks interface to register individual callbacks.
- inspired by the Apache 2.0/APR hooks interface
* Register cookies hooks using ne_cookie_register().
* Clean up configure scripts to enable use of autoconf 2.5x (Mo DeJong).
* Use new endianess configure macro to allow cross-compiling (Mo DeJong).
* Fix invalid C code in sock_init() in Win32 build (Mo DeJong).
* Fix use of signal() on Win32 (Mo DeJong).
* Workaround libxml 1.x string handling not being UTF-8.
* Test changes:
- add tests for decompression interface.
Changes in release 0.16.1:
* Also handle write errors in ne_get_range.
* Dump request body blocks in debugging mode.
* Fix ne_shave() causing memory corruption when the result should
have been the empty string.
* Refactor auth header parsing code; more efficient now.
- fixes digest auth RFC2617-style broken in 0.16.0
Changes in release 0.16.0:
* API change: ne_copy takes a depth parameter (thanks to Arun Garg, Medha Atre)
* API change: validate callback to ne_xml also takes a userdata arg.
* Added 'ne_lock_refresh' for performing lock refresh (Arun Garg).
* Add SSL support to Win32 build (Peter Boos <[email protected]>)
(see INSTALL.win32 for details). Compile with USE_DAV_LOCKS also.
* Remove Server header parser for 100-continue support in ne_options.
(and remove broken_expect100 from ne_server_capabilities).
* Set SIGPIPE disposition to "ignored" in sock_init().
* On platforms with setvbuf(), turn off buffering for the debug log
stream.
* Ignore repeated calls to sock_init().
* Fixes to error handling in ne_get_range.
* Minor improvements to memory handling in auth code.
* Fix for start_propstat callback being called with NULL response
argument when given invalid XML, causing a segfault in propfind code.
* Test changes:
- add regression test for the propfind segfault.
- handle segfaults better (reap the child, flush the debug log).
Changes in release 0.15.3:
* Fix --with-expat=DIR build.
Changes in release 0.15.2:
* Fix Win32 for XML parser changes (Gerald Richter).
* Substitute versions into config.hw at distribution time.
* Add date parser for ISO8601-formatted dates as defined by RFC2518, e.g.
the creationdate property (Taisuke Yamada <[email protected]>).
* Fix Y2K bug in RFC1036 date parsing algorithm.
* Test changes:
- add tests for date parsing functions.
Changes in release 0.15.1:
* Win32 update from Gerald Richter <[email protected]>
- new files neon.mak, INSTALL.win32
* Fix for ne_socket.h includes (Mo DeJong).
* More improvements for XML parser selection logic:
- if parser is required, be sure to fail configure if none is found.
- added --with-included-expat for bundled expat logic.
* Rename --enable-debugging to --enable-debug (Mo DeJong).
- added NEON_DEBUG macro to exported autoconf macros.
* Call progress callbacks for request bodies.
* Test changes:
- check that reading response headers is a bounded operation.
- use a pipe between child and parent to avoid race condition and
tedious sleep().
Changes in release 0.15.0:
* Major API renaming to use ne_/NE_ namespace:
- http_ to ne_, HTTP_ to NE_, dav_ to ne_, DAV_ to NE_, neon_ to ne_
- hip_xml_ to ne_xml_, HIP_ELM_ to NE_ELM_, HIP_XML_ -> NE_XML_
- sbuffer_ to ne_buffer_
- DEBUG() to NE_DEBUG(), DEBUG_ to NE_DBG_
* Type renames:
- http_req to ne_request
- sbuffer to 'ne_buffer *'
* Note, 'ne_buffer' is not an implicit pointer type, you must
specify the '*' now, e.g. 'ne_buffer *buf = ne_buffer_create();'.