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[DeleGate-En] DeleGate/9.9.11 (STABLE) -- fixes/extensions on HTTP origin server
13 Aug 2014 07:37:54 GMT (Yutaka Sato)
The DeleGate Project

Dear DeleGate users,

I inform you of the new release of DeleGate available as follows:
DeleGate/9.9.11 (STABLE) -- fixes around chained HTTP and HTTPS proxy
                                                          August 13, 2014
This release includes fixes and extensions on DeleGate as a HTTP origin

---- DeleGate/9.9.11-pre1 STABLE(beta) is released including fixes about
the MOUNT parameter to realize HTTP reverse proxy and HTTP origin
server with CGI and SSI.

HTTP (URL-path based reverse proxy and origin server)
  - Fixed failure in URL rewriting for HTTP response message.
    Fortunately, it occurs rarely and the effect is not fatal.
    It rewrites a string out of tag which looks like a tag attribute
    as "url=xxx" for example.  It can occur after each boundary of
    buffered input for response message.
  - DeleGate both as reverse proxy and origin server, configured as
    bellow, may suffer from the failure.
      MOUNT="/path1/* http://server/*"     ... reverse proxy
      MOUNT="/path2/* file:/path/of/www/*" ... origin server
  - There is no workaround to escape the problem in former versions.

SSI (rewriting URLs in local HTML included from SHTML)
  - Fixed failure in rewriting URLs in .html of local file included
    from .shtml.
  - An example of the failure is as follows:
    An example of SHTML tag:
      <!--#include virtual=example.cgi -->
    An example of HTML tag in output from example.cgi:
      <A HREF=example.html>
    The HTML tag can be rewritten by failure to:
      <A HREF=http://physical-hostname/dir-of-shtml/example.html>
  - There is no workaround to escape the problem in former versions.

CGI (CGI scripts in a CGI directory and CGI with extra path info.)
  - Fixed MOUNT for CGI directory to work with definition as bellow:
      MOUNT="/cgi-bin/* cgi:/path/of/cgi-bin/*"
  - Fixed interpretation of CGI URL with extra path as bellow:
  - These problems have been since version 8.6.0 in March 2003.
    So there seems no user of this feature :O

FTP (logging data larger than 4GB uploaded to local file)
  - Fixed response message and logging data of FTP origin server.
    The problem is limited to DeleGate working as an origin FTP
    server and when a file larger than 4GB is uploaded to local file.
  - DeleGate as a FTP origin server allowing upload to local file
    is defined as bellow:
      MOUNT="/* file:/path/* rw"
  - Added logging of upload to local file into the xferlog
    file (LOGDIR/PORT.ftp).

Documentation (reference manual)
  - Made the reference manual a bit more readable :) using CSS.

---- DeleGate/9.9.11-pre2 STABLE(beta) is released including modification
about HTML filter and SSI.

HTML filter (HTML part extraction filter)
  - Extended the HTML part filter to copy META and STYLE tags in the
    original HTML into the extracted HTML.
  - The HTML part filter of DeleGate is a filter that extracts a part
    of HTML named as "<A NAME=yyy>" in "xxx.html" by a URL "xxx.html?yyy".
    In the extracted HTML, an original label reference "<A HREF=#zzz>"
    is converted to "<A HREF=xxx.html?zzz>".
    The filter is applied to local HTML files when DeleGate is working
    as an original HTTP server. (It should be applicable also to
    local/remote HTML response included by SSI include).
  - Output HTML of the filter for the reserved part name ".parts"
    (referred by "[ALL]" at the beginning of each extracted part) is
    refined a little.
  - Manual.htm, the reference manual, is revised to fit the filtering.
  - Example:

SSI (Server Side Include in SHTML)
  - Fixed reverse rewriting (for MOUNT) to virtual URLs of URLs in
    included HTML by SSI when DeleGate is serving as a name based
    virtual host.

-Fimp option (Implanted configuration parameters)
  - Fixed -Fimp option to make it work again.  It was disabled in
    version 9.9.7-pre24 (Feb. 2010).

---- DeleGate/9.9.11-pre3 STABLE(beta) is released including modification
to improve SSI and documentation.

SSI (Fix and extensions for Server Side Include in SHTML)
  - Fixed to prevent stack overflow by deep recursion (possibly in
    infinite loop) of SSI include.
  - Introduced <!--#config var=VBASE val=URL --> in including HTML
    to be used as the BASE URL of rewritten URLs in included HTML.
  - Introduced ${SELF} and ${VBASE} to be prefixed to hyper links
    in included HTML.  ${SELF} is substituted by the URL of included
    HTML itself while ${VBASE} is substituted by the VBASE defined
    in the including HTML.
  - Made hyperlink URL from relative one to absolute one in the context
    of the included HTML, HREF="?query" or HREF="#label" for example.
  - Introduced ${QUERY_STRING} and ${QUERY_STRING?string1:string2} to
    be used in the URL in including HTML as
    <!--#include virtual=URL?${QUERY_STRING} -->
  - Made customizable the format of <PRE>, to wrap a included plain
    text, with CSS style of "#plainpre"

DOCUMENT (Manual.htm)
  - Manual.htm, the reference manual, is revised to use the extended
    features of SSI include.
  SITE: <URL:>
  FILE: delegate9.9.11.tar.gz
  DATE: Aug 13 15:50 JST 2014
  TAR-SIZE: 8427520 bytes
  TAR-MD5:  cf4910a486679b4bcaf0e34d655cef83

Cheers from Japan,
  9 9   Yutaka Sato { Do the more with the less -- B. Fuller }
 ( ~ )  National Institute of Advanced Industrial Science and Technology
_<   >_ 1-1-4 Umezono, Tsukuba, Ibaraki, 305-8568 Japan

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