[3649] in linux-announce channel archive
Linux-Announce Digest #940
daemon@ATHENA.MIT.EDU (Digestifier)
Fri Mar 30 19:13:07 2001
Message-ID: <20010331001303.21002.qmail@senator-bedfellow.mit.edu>
From: Digestifier <Linux-Announce-Request@senator-bedfellow.mit.edu>
To: Linux-Announce@senator-bedfellow.mit.edu
Reply-To: Linux-Announce@senator-bedfellow.mit.edu
Date: Fri, 30 Mar 01 19:13:03 EST
Linux-Announce Digest #940, Volume #3 Fri, 30 Mar 01 19:13:03 EST
Contents:
WWW: Welcome to Pascal Central ("Bill M. Catambay")
Guikachu 0.3 "Attack of the Mutant Decidual Cells from (ERDI Gergo)
LOCAL: Dunedin Linux Users Group Meeting (mRgOBLIN)
LOCAL: Dayton OH UNIX/Linux meeting, 1st thursday (Daniel Tasch)
New Release of Scilab (Ramine)
RSBAC v1.1.1 released (Amon Ott)
----------------------------------------------------------------------------
From: "Bill M. Catambay" <bill.m.catambay@NOSPAMlmco.com.invalid>
Subject: WWW: Welcome to Pascal Central
Date: Fri, 30 Mar 2001 23:04:21 GMT
=====BEGIN PGP SIGNED MESSAGE=====
To all Pascal programmers on Linux:
The following is a summary of the current contents available at Pascal
Central. For any of you who may not know about Pascal Central, Pascal
Central provides the pascal community one place to obtain Pascal
technical information, Pascal source code, and Pascal-related internet
links.
The home page is at http://pascal-central.com/
Pascal Central is broken up into the following sections:
FEATURED ARTICLES: These are the latest articles contributed to Pascal
Central. See the end of this note for a summary of these articles.
FORUMS & LINKS: This pages provides information on Pascal forums (such
as the MacPascal mailing list, and the Pascal newsgroups), and several
links to Pascal related web sites (for PC and Mac).
PASCAL TOOLS: This page is intended to be a one-stop shopping place for
obtaining free tools to help you program in Pascal.
PASCAL ADVOCACY: This page features Pascal announcements, and provides
a list of Apple contacts for advocating support of Pascal on the
Macintosh.
PASCAL BOOKS: A list of Pascal related programming books, sorted by
year. All include links to Amazon.com reviews and availability.
PASCAL REFERENCES: A collection of articles which are related to
miscellaneous Pascal topics, such as Pascal Standards, different
compilers, and Apple's new Universal Headers.
PASCALWARE: Freeware and Shareware applications written in Pascal.
THE ARCHIVE: The complete archive of articles submitted to Pascal
Central, in order of most recent first.
THE FAVORITES: Statistics, by month, on frequency of visits at Pascal
Central. Check out which pages are the favorites.
SOURCE CODE: Three different pages dedicated to source code, including
NOTHING BUT MACINTOSH SOURCE CODE, a list of links to a variety of
source code pages, MERLIN'S CAVERN, a collection of complete Pascal
source code packages, including running applications, all for the Mac,
and MORGANA'S CAVERN, a collection of complete Pascal source code
packages, including running applications, all for Windows.
Cheers,
Bill
- --
- ----
Bill Catambay, Software Developer, Webmaster
Pascal Central -> http://pascal-central.com/
Morgana's Revenge -> http://www.excaliburworld.com/emr/
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From: ERDI Gergo <cactus@cactus.rulez.org>
Subject: Guikachu 0.3 "Attack of the Mutant Decidual Cells from
Date: Fri, 30 Mar 2001 23:01:23 GMT
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Dear users of both large and small computing tools,
A new release of Guikachu is available. It is a major improvement over
the previous releases: it includes the Form Editor.
About Guikachu
- --------------
Guikachu is a GNOME application for graphical editing of resource
files for PalmOS-based pocket computers (get it?). Check out
http://cactus.rulez.org/projects/guikachu/ for up-to-date informations.
Catch it all from
http://cactus.rulez.org/projects/guikachu/download/guikachu-0.3.tar.gz
About this release
- ------------------
Introducing the Form Editor: a GNOME Canvas-based visual editor for
form resources and widgets. You can see the effect of the changes of
widget parameters in real time rendered on a small, PalmOS
screen-sized rectangle. Please note that the form editor is _not_
pixel-perfect, so you should always test the final results on a
full-featured PalmOS emulator. Please don't file bug reports about
pixel problems: it is not a goal of Guikachu to be a 100% rendering
engine of PalmOS Form resoruces (it isn't even possible without using
PalmOS fonts, which I don't have the rights for).
The only currently supported form element is the text label
widget. However, now that the form/widget infrastructure is in place,
implementing more widgets will only be a matter of studying PalmOS
screenshots and figuring out how to draw something closely resembling it.
New features:
* Support for Form resources
* Form editor
* Supported widgets: label
* Trying to open an unaccessible or non-existant file no
longer creates a segmentation fault
* Fixed error in loading of the `vendor' property of
application resources
* Keyboard navigation in the main window: enter opens up the
property editor, delete removes resource
* Miniscule UI tweaks
* Translations (in alphabetical order): de (Christian Meyer),
hu (me), ru (Valek Flippinov), sv (Christian Rose), tr
(Ozgur Dogan Gunes)
Due to a bug in the current release, you can only open the property
editor for widgets from the widget tree (double click on a tree item on
page 2 of the form editor window). This will likely get fixed in the next
release.
Guikachu uses GTK-- and GNOME-- for its user interface. File I/O is
implemented with the libxml package. Dialog windows are loaded via
libglade. You will need the versions of these packages available in
the GNOME 1.4 bundle.
To actually create the PalmOS resource files, you will also need PilRC
(part of the GNU PalmOS SDK) to compile the .rpc files produced by
Guikachu.
Beware of bugémons!
Cactus
- --
.--= ULLA! =----------------------------. finger cactus@cactus.rulez.org
\ http://cactus.rulez.org \ for PGP public key
`----------= cactus@cactus.rulez.org =--'
Assassination is the extreme form of censorship.
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From: mRgOBLIN <info@dunedin.lug.net.nz>
Subject: LOCAL: Dunedin Linux Users Group Meeting
Date: Fri, 30 Mar 2001 23:17:02 GMT
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LOCAL: Dunedin LUG (Otago-Southland, NZ)
MONTHLY MEETING
Date:- Monday 2 April
Time:- 7:30 pm.
Place:- Shooters Bar, 109 Princes St. Dunedin.
(Actually a room at the back)
Just ask at the Bar.
Contact:- mRgOBLIN info@dunedin.lug.net.nz for further details,
including joining the LUG's mailing list.
AGENDA.
Membership drive.
We will have membership forms at the meeting.
All who fill out a form will be put into the draw to win one of two
Caldera T-shirts.
The draw will be made on the night.
Once memberships have been completed we will be discussing the
following.
Dunlug Organization:- Invent some real jobs and hand them out.
along with "Official titles"
Installfest:- Who, when & where.
Suggestions for future Dunlug activities.
Suggestions for the next meeting.
Meeting finishes when we are asked to leave :) 10:00pm approx.
All are welcome to join us in a friendly and relaxed atmosphere.
Visit the Dunedin Linux Users Group Home page for more info
http://dunedin.lug.net.nz/
mRgOBLIN
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From: Daniel Tasch <taschda@dmapub.dma.org>
Subject: LOCAL: Dayton OH UNIX/Linux meeting, 1st thursday
Date: Fri, 30 Mar 2001 23:12:28 GMT
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The UNIX/Linux Special Interest Group of the Dayton Microcomputer
Association meets on the first thursday of evey month. The meeting is held
at the DMA office at 119 Valley St in Dayton at 7:00 pm.
Visitors and new users are always welcome.
For additional information contact:
Tony Snyder
snydert@dmapub.dma.org
937-275-7913
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From: Ramine <ramine.nikoukhah@inria.fr>
Subject: New Release of Scilab
Date: Fri, 30 Mar 2001 23:09:22 GMT
Reply-To: ramine.nikoukhah@inria.fr
=====BEGIN PGP SIGNED MESSAGE=====
***********************************************************************
A new Scilab is out. Download it, free, and pass it on to your friends.
***********************************************************************
Scilab Group proudly announces the release of Scilab-2.6
--------------------------------------------------------
What is Scilab?
- ---------------
Scilab is a scientific software environment for numerical
computations. It resembles Matlab/Simulink and MatrixX/SystemBuild
family
of products. Scilab is developed at INRIA and is available via anonymous
ftp in source and binary formats:
ftp.inria.fr in directory INRIA/Scilab
http://www-rocq.inria.fr/scilab
Is it really free?
- -------------------
Yes it is. Scilab is not distributed under GPL or other standard free
software copyrights, but Scilab is an Open Source Software as stated
precisely in the Copyright file licence.txt.
Happy Scilabing
Scilab Group
scilab@inria.fr
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From: Amon Ott <ao@rsbac.org>
Subject: RSBAC v1.1.1 released
Date: Fri, 30 Mar 2001 23:13:53 GMT
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Hi!
Rule Set Based Access Control (RSBAC) version 1.1.1 has been released.
Information and downloads are available from
http://www.rsbac.org
Amon Ott.
- ---------------------------------------
Name: rsbac
Version: 1.1.1
Kernelver: 2.2.18-19, 2.4.2
Status: 9 (UP), 8 (SMP)
Author: Amon Ott <ao@rsbac.org>
Maintainer: Amon Ott <ao@rsbac.org>
Description: Rule Set Based Access Control (RSBAC)
Date: 28-March-2001
Descfile-URL: http://www.rsbac.org/rsbac.desc
Download-URL: http://www.rsbac.org/download.htm
Homepage-URL: http://www.rsbac.org/
Manual-URL: http://www.rsbac.org/instadm.htm
What is RSBAC?
- --------------
RSBAC is a flexible, powerful and fast open source access control framework
for current Linux kernels, which has been in stable production use for over
a year (since version 1.0.9a).
The standard package includes a range of access control models like MAC, RC,
ACL (see below). Furthermore, the runtime registration facility (REG) makes
it easy to implement your own access control model as a kernel module and
get it registered at runtime.
The RSBAC framework is based on the Generalized Framework for Access Control
(GFAC) by Abrams and LaPadula. All security relevant system calls are
extended by security enforcement code. This code calls the central decision
component, which in turn calls all active decision modules and generates a
combined decision. This decision is then enforced by the system call
extensions.
Decisions are based on the type of access (request type), the access target
and on the values of attributes attached to the subject calling and to the
target to be accessed. Additional independent attributes can be used by
individual modules, e.g. the privacy module (PM). All attributes are stored in
fully protected directories, one on each mounted device. Thus changes to
attributes require special system calls provided.
As all types of access decisions are based on general decision requests,
many different security policies can be implemented as a decision module.
Apart from the builtin models shown below, the optional Module Registration
(REG) allows for registration of additional, individual decision modules at
runtime.
In RSBAC version 1.1.1, the following modules are included. Please note that
all modules are optional. They are described in detail in an extra text.
MAC: Bell-LaPadula Mandatory Access Control (compartments limited to a number
of 64)
FC: Functional Control. A simple role based model, restricting access to
security information to security officers and access to system
information to administrators.
SIM: Security Information Modification. Only security administrators are
allowed to modify data labeled as security information
PM: Privacy Model. Simone Fischer-Hübner's Privacy Model in its first
implementation. See our paper on PM implementation (43K) for the
National Information Systems Security Conference (NISSC 98)
MS: Malware Scan. Scan all files for malware on execution (optionally on all
file read accesses or on all TCP/UDP read accesses), deny access if
infected. Currently the Linux viruses Bliss.A and Bliss.B and a handfull
of others are detected. See our paper on Approaches to Integrated
Malware Detection and Avoidance (34K) for The Third Nordic Workshop on
Secure IT Systems (Nordsec'98)
FF: File Flags. Provide and use flags for dirs and files, currently
execute_only (files), read_only (files and dirs), search_only (dirs),
secure_delete (files), no_execute (files), add_inherited (files and dirs)
and no_rename_or_delete(files and dirs, no inheritance). Only security
officers may modify these flags.
RC: Role Compatibility. Defines 64 roles and 64 types for each target type
(file, dir, dev, ipc, scd, process). For each role, compatibility to all
types and to other roles can be set individually and with request
granularity. For administration there is a fine grained
separation-of-duty.
AUTH: Authorization enforcement. Controls all CHANGE_OWNER requests for
process targets, only programs/processes with general setuid allowance
and those with a capability for the target user ID may setuid.
Capabilities can be controlled by other programs/processes, e.g.
authentication daemons.
ACL: Access Control Lists. For every object there is an Access Control List,
defining which subjects may access this object with which request types.
Subjects can be of type user, RC role and ACL group. Objects are grouped
by their target type, but have individual ACLs. If there is no ACL entry
for a subject at an object, rights are inherited from parent objects,
restricted by an inheritance mask. Direct (user) and indirect (role,
group) rights are accumulated. For each object type there is a default
ACL on top of the normal hierarchy. Group management has been added in
version 1.0.9a.
A general goal of RSBAC design has been to some day reach (obsolete) Orange
Book (TCSEC) B1 level. Now it is mostly targeting to be useful as secure and
multi-purposed networked system, with special interest in firewalls.
RSBAC Changes
- -------------
1.1.1: - New target type FIFO, with a lot of cleanup, e.g. IPC type fifo
removed
- - MAC module reworked, including MAC-Light option
- - Several bugfixes
- - Port to 2.4.0, 2.4.1 and 2.4.2
- - New Makefiles with lists for 2.4 and without for 2.2 kernels
(Thanks to Edward Brocklesby for samples)
- - init process default ACI now partly depends on root's ACI
- - Optional interception of sys_read and sys_write.
Attention: you might have to add READ and WRITE rights to files,
fifos, dirs and sockets first, if upgrading from an older version
- - REG overhaul. Now you can register syscall functions, everything is
kept in unlimited lists instead of arrays and registering is
versioned to allow for binary module shipping with REG version
checks.
- - Inheritance is now fixed, except for MAC model
- - MAC: optional inheritance, new option Smart Inheritance that tries
to avoid new attribute objects (see config help)
- - New soft mode option: all decisions and logging are performed, but
DO_NOT_CARE is returned to enforcement. Off by default. See config
help for details.
- - Optional initialization in extra rsbac_initd thread.
- --
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------------------------------
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