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git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2 3789f03b-4d11-0410-bbf8-ca57d06f2519
285 líneas
13 KiB
Plaintext
285 líneas
13 KiB
Plaintext
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VNC 4.0 Source Distribution for Unix platforms
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==============================================
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Copyright (C) 2002-2004 RealVNC Ltd. All Rights Reserved.
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This software is distributed under the GNU General Public Licence as published
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by the Free Software Foundation. See the file LICENCE.TXT for the conditions
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under which this software is made available. VNC also contains code from other
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sources. See the Acknowledgements section below, and the individual files for
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details of the conditions under which they are made available.
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There are six programs here:
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vncviewer - this is the VNC viewer, or client, program for X.
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Xvnc - this is the X VNC server - it is both a VNC server and an X server
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with a "virtual" framebuffer. You normally use the vncserver script
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to start Xvnc.
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vncserver - this is a wrapper script which makes starting an X VNC server
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(i.e. desktop) more convenient. It is written in Perl, so to use
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the script you need that.
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vncpasswd - this program allows you to change the password used to access
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your X VNC desktops. The vncserver script uses this program when
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you first start a VNC server.
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vncconfig - this program is used to configure and control a running instance
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of Xvnc.
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x0vncserver - this is an inefficient VNC server which continuously polls any
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X display, allowing it to be controlled via VNC. It is
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intended mainly as a demonstration of a simple VNC server.
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In addition to these standalone programs, this distribution can also be used to
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turn the native X server for a platform into a VNC server. For XFree86 version
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4 servers, this is done using a module loaded at run-time. For other X servers
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it requires replacing the native X server binary.
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To build this distribution you need a C++ compiler as well as a C compiler.
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You also need a reasonably recent version of the X window system installed.
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This comes as standard with most unix machines. If you don't have it
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installed, see http://www.xfree86.org or http://www.x.org
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To build everything but Xvnc, do:
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% ./configure
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% make
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This should build first some libraries - zlib, rdr, network, Xregion, rfb and
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tx - then vncviewer, vncconfig and vncpasswd. If you already have zlib
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installed on your system you can run "./configure --with-installed-zlib" if you
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prefer (this is strongly advised on FreeBSD, since we've been told there are
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problems otherwise).
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Building Xvnc
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=============
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Building Xvnc and the VNC support for native X servers is much more complex.
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If you don't need to build it, skip to the section below on installing.
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Xvnc differs from the other programs in that it is built inside the X source
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tree. Unlike previous versions of Xvnc, we do not provide an X source tree
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with this distribution. We have designed the distribution to be as independent
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as possible of the X tree used.
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We have successfully used XFree86 version 4.3.0, 4.2.0 and 3.3.6 (available
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from http://www.xfree86.org). You could also try the original X.org tree
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available from http://www.x.org but this does not build as easily because of
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lack of support for C++, no support for building server only, and other issues.
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Note that the X tree is enormous and notoriously difficult to deal with -
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building it is not for the faint-hearted!
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Once you have a copy of the X source tree, make sure it is unpacked at the top
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level of this distribution, so that the xc directory of the X source tree
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matches the xc of this distribution, for example:
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% tar xzf X420src-1.tgz
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Then you must apply a patch to some files in the X source tree:
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% patch -Np0 <xc.patch
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If this works, you should be able to build the entire X tree, including Xvnc:
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% cd xc
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% make World
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This will take a long time, and will quite probably fail for one reason or
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another! If you are having trouble, we suggest you try to build the X tree in
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isolation first before attempting it with the VNC additions.
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If successful, in the xc/programs/Xserver directory you should find an Xvnc
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binary, plus the native X server binary(ies) for your platform with VNC support
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compiled in. If you are building from an XFree86 version 4 tree on a supported
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platform, you should also find a vnc.so module in
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xc/programs/Xserver/vnc/modules.
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Exactly which X extensions and features are built into Xvnc and the native X
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server binary is determined by the settings in xc/config/cf. The file vnc.def
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contains the settings we use to build our binary distributions. You may need
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to edit this and the other files as appropriate.
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Installing
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==========
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Different unix platforms have different conventions for where software should
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be installed. To copy the programs to some directory which is in your PATH
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environment variable, such as /usr/local/bin, there is a script called
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vncinstall which you can use:
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% cd ..
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% ./vncinstall /usr/local/bin
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This will also attempt to install the manual pages in an appropriate directory.
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You can specify an alternative directory as a second argument to vncinstall:
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% ./vncinstall /usr/local/bin /usr/local/man
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It will also try to install the vnc.so XFree86 version 4 module if appropriate.
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This will be copied to the /usr/X11R6/lib/modules/extensions directory and can
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be enabled like any other module by adding a Load "vnc" line to the Module
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section of XF86Config. The parameters listed in the Xvnc manual page can be
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set as options in XF86Config e.g. Option "passwordFile" "/root/.vnc/passwd".
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Note that for some reason options cannot be set in the Module section of
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XF86Config - try the Screen section.
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If you want to use the Java VNC viewer, you should copy the files from
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the java directory to some suitable installation directory such as
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/usr/local/vnc/classes:
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% mkdir -p /usr/local/vnc/classes
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% cp java/* /usr/local/vnc/classes
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We recommend that you use the vncserver script to run Xvnc for you. You can
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edit the script as appropriate for your site. Things you may need to change
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include:
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* The location of Perl - if Perl is not installed in /usr/bin you'll need
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to edit the "#!/usr/bin/perl" first line of vncserver.
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* Xvnc's font path and color database. If you have an installation of
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X which is not in the standard place you may need to add arguments to the
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Xvnc command line to set these. These should be appended to the $cmd
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variable at the comment "# Add font path and color database...".
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* $vncJavaFiles - this specifies the location of the files for
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the VNC viewer Java applet. The default is /usr/local/vnc/classes.
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ACKNOWLEDGEMENTS
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================
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This distribution contains public domain DES software by Richard Outerbridge.
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This is:
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Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge.
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(GEnie : OUTER; CIS : [71755,204]) Graven Imagery, 1992.
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This distribution contains software from the X Window System. This is:
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Copyright 1987, 1988, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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This distribution contains zlib compression software. This is:
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Copyright (C) 1995-2002 Jean-loup Gailly and Mark Adler
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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Jean-loup Gailly Mark Adler
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jloup@gzip.org madler@alumni.caltech.edu
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This distribution contains Java DES software by Dave Zimmerman
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<dzimm@widget.com> and Jef Poskanzer <jef@acme.com>. This is:
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Copyright (c) 1996 Widget Workshop, Inc. All Rights Reserved.
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Permission to use, copy, modify, and distribute this software and its
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documentation for NON-COMMERCIAL or COMMERCIAL purposes and without fee
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is hereby granted, provided that this copyright notice is kept intact.
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WIDGET WORKSHOP MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE
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SUITABILITY OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT
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NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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PARTICULAR PURPOSE, OR NON-INFRINGEMENT. WIDGET WORKSHOP SHALL NOT BE
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LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING,
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MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
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THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE
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CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE
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PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT
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NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT LIFE
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SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
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SOFTWARE COULD LEAD DIRECTLY TO DEATH, PERSONAL INJURY, OR SEVERE
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PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH RISK ACTIVITIES"). WIDGET
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WORKSHOP SPECIFICALLY DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF
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FITNESS FOR HIGH RISK ACTIVITIES.
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Copyright (C) 1996 by Jef Poskanzer <jef@acme.com>. All rights
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reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Visit the ACME Labs Java page for up-to-date versions of this and other
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fine Java utilities: http://www.acme.com/java/
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