Dear friends of NaviServer,
on sourceforge is a release candidate for NaviServer 4.99.12.
If everything goes well, the release should follow end of this week.
Below are the changes since 4.99.11:
best regards
-gustaf
=======================================
NaviServer 4.99.12, released 2016-08-XX
=======================================
195 files changed, 19904 insertions(+), 13118 deletions(-)
New Features:
* OpenSSL support integrated with NaviServer core
- ns_http can handle now http and https urls
- added backward_compatibility stub for ns_ssl
- added configure switch --with-openssl?=path?
* Improved crypto support (through OpenSSL)
New commands:
- ns_hmac
- ns_md (generalization of ns_md4 and ns_sha1,
but supports by default 14 different digest algorithms)
- ns_hotp (one-time passwords as defined in RFC 4226)
- ns_totp (time-based one-time passwords as defined in RFC 6238)
StartTLS support (contributed by Constantin Șerban-Rădoi)
- "ns_sendmail" is now able to connect to servers via StartTLS
(requires the Tcl "tls" package, since ns_sendmail is
implemented in Tcl)
- Client and server support for StartTLS in the nssmtpd module.
* New Command "ns_rlimit" to get/set various resource limits from
the operating system. A typical use case for this command is to
query or set e.g. the core size via the NaviServer startup file or
to change it at runtime in a syntax independent from the naming
and conventions in the various startup scripts (e.g. upstart,
systemd, ...). This is e.g. useful when a core dump should be
created from the running state (e.g. in combination with the
"ns_crash" command).
* Improvements for "ns_connchan":
- Supports now client functionality via
ns_connchan open ...
(works for http:// and https:// URLs)
- New subcommand "ns_connchan exists /channel/"
- Added runtime switchable debug severity "Debug(connchan)"
Performance Improvements:
Bug Fixes:
* Fix ns_set management of headers (which was broken since the
introduction of the leftover management when requests are
pipelined in 4.99.11). The problem was that the "static" ns_set for
headers is
was freed to early in the pipelined case.
* Fix for a serious bug in cookie management which could lead to false
positives in ns_getcookie:
- Previous versions of NaviServer searched the "Cookie" and
"Set-Cookie" header files for a string "NAME=" and returned
the value provided after this string, when found.
- However, the "Cookie" and "Set-Cookie" header fields have
contents in a different a different syntax (see
https://tools.ietf.org/html/rfc6265 section 4.1.1 vs. 4.2.1),
such as e.g. Cookie: cookie1="value1"; cookie2="value2";
style=null; ... Set-Cookie: cookie1="new- value"; Expires=Fri,
01-Jan-2035 01:00:00 GMT; Path=/; HttpOnly
- Therefore, searching in the "Cookie" header field e.g. for a
cookie named "tyle" lead to a success as well as a search in
"Set-Cookies" for e.g. a cookie named "Expires".
* Improved handling of erroneous requests (some where treated as
HTTP/0.9 requests before, leading to strange behavior/error
messages).
* Fix potential memory leak for "ns_mutex eval"
* Long standing bug when exiting "make test" should be fixed by now.
The problem was that the the Tcl exit handler was kicking in when
the end-of file was reached, interfering with the NaviServer
shutdown steps.
* Improved portability for *BSD systems and recent Windows
build environments (e.g. Visual Studio 2015)
Documentation improvements:
* New man pages for ns_hmac, hs_md, ns_hotp, ns_totp
* Various man pages updated/improved
* Improved sample config files
C API Changes:
* Introduction of Ns_ReturnCode: use an enumeration type instead of
preprocessor based constants + int. The change revealed several
places, where NS_OK/NS_ERROR and TCL_OK/TCL_ERROR were intermixed.
* New functions
- Ns_GetBinaryString() to obtain from a Tcl_Obj the binary
representation if available, otherwise the string representation.
- Ns_SetRecreate() which is a combination of a create and a move
operation, but avoiding malloc operations on all keys/values.
- Ns_DStringAppendTime() to ease uniform printing of
Ns_Time structs into DStrings
- Ns_SubcmdObjv(): New infrastructure support for commands with
subcommands: instead of long switch statements with nested
structures with often many returns, one can now register
Tcl_ObjCmdProcs for subcommands in an Ns_SubCmdSpec structure.
- New argv checkers Ns_ObjvUShort() and ObjvQueue()
Configuration Changes:
- added configure switch --with-openssl?=path?
Code Changes:
* Improved naming of Mutexes: much more mutexes are named now.
* Code cleanup:
- Modernized argv parsing by using Ns_ParseObjv() for
many functions.
- Introduced enumeration types Ns_ReturnCode
and NsWriterStreamState
- New macro INTCHAR to pass "char" values to library
- Use "unsigned short" consistently for port numbers
functions requiring "int" to avoid code smells
- Use boolean types on more occasions
- Use more often typedef-ed function definitions
- Reduced number of multiple returns per function
- Removed all calls to deprecated Tcl API Function
Tcl_AppendElement()
- Reduced calls to Tcl_AppendResult() and use explicit
Tcl_Objs instead for results
- Generation of error messages made more consistent
- Removed useless calls to Ns_DStringFree() after Tcl_DStringResult()
- Replaced deprecated atoll() by strtoll()
- Reduced variable scopes
- Added more const declarations
- Don't use boolean values as arguments of comparison operators
- Many large functions split into smaller units
* Made testing more robust when IPv6 is available, but
turned off in the kernel
* NaviServer driver:
- Added (clientInitProc, protocol and default port) to info record
- Bumped driver version to 4
* Ignore less soft error conditions, but report in the error.log
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