Floke Integrity documentation

Copyright (c)  2000 Jon Wickmann.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.1
or any later version published by the Free Software Foundation;
with no Invariant Sections , with no Front-Cover Texts and with no Back-Cover Texts.
A copy of the license is included in the section entitled "GNU
Free Documentation License".

Dublin Core data in publishing:

Dublin Core attribute	Scheme (if any)	Value
DC.Title		Floke Integrity documentation
DC.Title.Alternative		Version 0.0.1. 2000-09-14 for Version 0.01 of the executables
DC.Creator.PersonalName		Wickmann, Jon
DC.Creator.PersonalName.Address		jon.wickmann@excite.com
DC.Subject		integrity
DC.Subject		computer security
DC.Subject		file
DC.Subject		documentation
DC.Description		This is the documentation for Floke Integrity version 0.01.
DC.Publisher		Jon Wickmann
DC.Publisher.Address		jon.wickmann@excite.com
DC.Date	ISO8601	2000-09-14
DC.Type		Text
DC.Format	IMT	text/html
DC.Identifier		http://www.angelfire.com/wi/wickmann/flokedoc001.html
DC.Identifier	URN	NBN:no-a352
DC.Source	URN	NBN:no-a352
DC.Language	ISO639-1	en
DC.Coverage		Version 0.01
DC.Rights	URL	http://www.gnu.org/copyleft/fdl.html
DC.Date.X-MetadataLastModified	ISO8601	2000-09-14

Thanks goes to the Nordic Metadata Project (http://linnea.helsinki.fi/meta/).

Table of contents

2.0. Goals
2.1. Features
2.1.1. Description of hash functions
2.2. Requirements and limitations

3.0. The program
3.1. The user interface
3.2. The menu
3.3. The task options dialog

4.0. Practical issues
4.1. Making and running a task
4.2. The all important report
4.3. Maintaining a bullet-proof integrity

5.0. The Future
5.1. Further development
5.2. A wish list
5.3. Know bugs
5.4. Found a bug?
5.5. Development efforts by you
5.5.1. Maintaining source
5.5.2. Maintaining distribution

Appendixes

A1. The GNU Free Documentation License
A2. The GNU General Public License
A3. Export restrictions

1.0. General

1.1. Contact information

Make sure to check http://www.angelfire.com/wi/wickmann/contact.html, before you send any mail. Thanks.

1.2. Download information

Links to several FTP and HTTP sites will be available.
Else try the search engines.

1.3. Copyright

Please refer to
A1. GNU Free Documentation License
A2. The GNU General Public License
for their respective licenses. Some of the code are copyrighted by others and licensed under the same GNU General Public License. Please see section "1.4.1. Works by others" below for further references.
 

1.4. Source code reference

If you want to contribute code please see section 5.5.
 

1.4.1. Works by others

1.4.1.1. GNU Privacy guard

GnuPG
Copyright (C) 2000 Free Software Foundation, Inc.
http://www.gnupg.org/

1.4.1.2. AIDE - Advanced Intrusion Detection Environment

AIDE - Advanced Intrusion Detection Environment
Copyright (C) 1999,2000 Rami Lehti, Pablo Virolainen
http://www.cs.tut.fi/~rammer/aide.html

1.5. Integrity of the archives

2.0. Goals

2.1. Features

• Mathematically strong message digest/hash functions, including:
• SHA-1
  • RIPEMD-160
  • MD5 (Please see section 2.1.1.)
  • Self checking of the functions against know good values, to confirm that they work on your machine.
• A fast recursive directory searcher.
• Dynamically memory allocation (swap able).
• Process threading to ensure multitasking under Windows, just let Floke run while you go about doing other stuff.
• Own handling of database.
• Tight binary file format to ensure that the database don't take up to much space. (Still compression might help).
• A reporting engine where you can choose what you want in your reports.
• Ability to specify your favourite reader to read the report.

2.1.1. Description of hash functions

2.1.1.1. SHA-1 (Secure Hash Algorithm)

2.1.1.2. RIPEMD-160

2.1.1.3. MD5

2.2. Requirements and limitations

• AMD K6 300 Mhz
• 64 MB RAM
• Two slow IDE disks 500MB and 4.3 GB (1994 and 1997 types).
• S3 Vision 864 PCI (1994)
• Creative Sound blaster AWE 32
• Teles Bri./16.3 (ISA) ISDN adapter (1998).
• Windows 98 (First edition).
• 20 000++ files.

• Not more than one disk per database file.
• Database can't exceed 4GB, memory address allocations limitations.
• Same goes for the database file.
• OS restrictions on file name length 260 (MAX_PATH in API) characters.
• Search pattern including "|" can't exceed 40 characters (SEARCHPATTERNLENGHT in source).

3.0. The program

3.1. The user interface

The buttons:

Start:
By pressing the start button the current active task will be processed. If no tasks are active, you'll be prompted to open one.

Display report:
By pressing this button, a text reader will be invoked and the report will be displayed. If the text reader fail, you will be prompted to select an other.

Emergency stop:
The emergency stop button is only available when a task is running. By pressing it, the current running task will be terminated. Some system resources might be tied up afterwards, but a closure of Floke, will re-enable them.
 

3.2. The menu

File menu:
The file menu has three sub menus that mainly deals with file operation. No "Save" or "Save As" capability is available, since Floke automatically saves its database when it processes the associated task.

New
The new sub menu displays the task options dialog (see section 3.3.). Where you can specify the task you want to make.

Open
The open sub menu presents an open dialog where you can chose witch Floke task/database to load.

Exit
Guess. :-)

3.3. The task options dialog

Files
Here you can enter both the database and report file to use. The small buttons at the end of each line will display a dialog where you can select the path and file names to use.

Hash
Here you can select which message digest/hash function to use. The greyed hash functions are currently not working on you machine. (Tiger is not yet correctly implemented, anyway).

Search
In the first box you're asked for a search pattern. Enter a wild character search pattern, where asterisk (*) means several none specified characters, and question mark (?) means one none specified character. You can have several search patterns, just remember to end them with a pipe (|). You may not use more than 40 characters for your complete search pattern.

e.g. "*.exe|*.com|"   Finds every file ending on either exe or com.

In the path box, you have to select which drive to perform the search on.

Report
Here you might cross the things you want in your report. In the files sub-group you can also specify if you want to have the hashes displayed.

4.0. Practical issues

4.1. Making and running a task

1. Then assuming that you already have started Floke, hit the "File" menu, then hit "New".
2. The "Task Options" dialog will now be displayed.
3. See section 3.3, on how to fill out the task options.
4. Press Okay to leave the "Task Options" dialog.
5. Back in the main dialog, press "Start".
6. The task will now be processed and saved to disk. You might interrupt this by pressing "Emergency Stop".
7. This will take some time, so do something else. You could minimize Floke and do something else on your computer. Or if you don't like multitasking, just loaf around.
8. When Floke has finished the Start button will be enabled again.

1. Start Floke.
2. Hit the Start button, you will now be prompted for the task/database to use.
3. The task is running.
4. When finished: inspect the report.

4.2. The all important report

4.3. Maintaining a bullet proof integrity

Some scenarios:

• Your computer has been infected with a virus/trojan horse that uses stealth techniques to conceal its changes to files, when programmes such as Floke are run, while the files remain changed in the eyes of other readers. Solution: Control every means witch executables may arrive by (e.g. floppy, Internet etc.), and audit any executable you aspire to use. Use only open source software, read through the source and compile the program yourself.
• Someone gains access to your computer tampers with your files and updates the Floke database, leaving no trace on how your files looked like. Solution: Limit the access to your computer both physical and technical, log every aspect of your computers use. Bring with you a boot able floppy disk, and store your database and Floke executable there. (Note, currently Floke can't run of a floppy).

5.0. The Future

5.1. Further development

5.2. A wish list

• Compression (Possibly minilzo http://wildsau.idv.uni-linz.ac.at/mfx/lzo.html)
• Working Tiger hash.
• Scheduling.
• New hashes like Panama.
• Versions for DOS and Linux.
• Help file also in .hlp format.
• Several paths in same search/task.
• Better memory management.
• Faster code.
• Better documentation.
• Add yours.

5.3. Know bugs

5.4. Found a bug?

5.5. Development efforts by you

5.5.1. Maintaining source

• Always download the newest source, and add your changes to that.
• In the source file add comments to your changes, purpose etc., add date of change and by whom.
• While I'm away (until 2001.09.21.), negotiate on the web board (at my site) and find a common place where distributions can be done from.
• Do any announcement on the web board (at my site).
• Drop a mail with some detail to my mailbox (wickmann@sensewave.com), with the subject "[FI:SRC:CHG]Date".

5.5.2. Maintaining distribution

• Do a announcement on the web board at my site.
• While I'm away (until 2001.09.21.), negotiate on the web board (at my site) and find a common place where distributions can be done from.
• Drop a mail with some detail to my mailbox (wickmann@sensewave.com), with the subject "[FI:DIST:NEW]Date".

Appendixes

A1. The GNU Free Documentation License

Copyright (C) 2000  Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.

The purpose of this License is to make a manual, textbook, or other written document "free" in the sense of freedom: to assure everyone the effective freedom to copy and redistribute it, with or without modifying it, either commercially or noncommercially. Secondarily, this License preserves for the author and publisher a way to get credit for their work, while not being considered responsible for modifications made by others.

This License is a kind of "copyleft", which means that derivative works of the document must themselves be free in the same sense. It complements the GNU General Public License, which is a copyleft license designed for free software.

We have designed this License in order to use it for manuals for free software, because free software needs free documentation: a free program should come with manuals providing the same freedoms that the software does. But this License is not limited to software manuals; it can be used for any textual work, regardless of subject matter or whether it is published as a printed book. We recommend this License principally for works whose purpose is instruction or reference.

1. APPLICABILITY AND DEFINITIONS

This License applies to any manual or other work that contains a notice placed by the copyright holder saying it can be distributed under the terms of this License. The "Document", below, refers to any such manual or work. Any member of the public is a licensee, and is addressed as "you".

A "Modified Version" of the Document means any work containing the Document or a portion of it, either copied verbatim, or with modifications and/or translated into another language.

A "Secondary Section" is a named appendix or a front-matter section of the Document that deals exclusively with the relationship of the publishers or authors of the Document to the Document's overall subject (or to related matters) and contains nothing that could fall directly within that overall subject. (For example, if the Document is in part a textbook of mathematics, a Secondary Section may not explain any mathematics.) The relationship could be a matter of historical connection with the subject or with related matters, or of legal, commercial, philosophical, ethical or political position regarding them.

The "Invariant Sections" are certain Secondary Sections whose titles are designated, as being those of Invariant Sections, in the notice that says that the Document is released under this License.

The "Cover Texts" are certain short passages of text that are listed, as Front-Cover Texts or Back-Cover Texts, in the notice that says that the Document is released under this License.

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Examples of suitable formats for Transparent copies include plain ASCII without markup, Texinfo input format, LaTeX input format, SGML or XML using a publicly available DTD, and standard-conforming simple HTML designed for human modification. Opaque formats include PostScript, PDF, proprietary formats that can be read and edited only by proprietary word processors, SGML or XML for which the DTD and/or processing tools are not generally available, and the machine-generated HTML produced by some word processors for output purposes only.

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5. COMBINING DOCUMENTS

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In the combination, you must combine any sections entitled "History" in the various original documents, forming one section entitled "History"; likewise combine any sections entitled "Acknowledgements", and any sections entitled "Dedications". You must delete all sections entitled "Endorsements."

6. COLLECTIONS OF DOCUMENTS

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You may extract a single document from such a collection, and distribute it individually under this License, provided you insert a copy of this License into the extracted document, and follow this License in all other respects regarding verbatim copying of that document.

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A2. The GNU General Public License

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    a) Accompany it with the complete corresponding machine-readable
    source code, which must be distributed under the terms of Sections
    1 and 2 above on a medium customarily used for software interchange; or,

    b) Accompany it with a written offer, valid for at least three
    years, to give any third party, for a charge no more than your
    cost of physically performing source distribution, a complete
    machine-readable copy of the corresponding source code, to be
    distributed under the terms of Sections 1 and 2 above on a medium
    customarily used for software interchange; or,

    c) Accompany it with the information you received as to the offer
    to distribute corresponding source code.  (This alternative is
    allowed only for noncommercial distribution and only if you
    received the program in object code or executable form with such
    an offer, in accord with Subsection b above.)

The source code for a work means the preferred form of the work for
making modifications to it.  For an executable work, complete source
code means all the source code for all modules it contains, plus any
associated interface definition files, plus the scripts used to
control compilation and installation of the executable.  However, as a
special exception, the source code distributed need not include
anything that is normally distributed (in either source or binary
form) with the major components (compiler, kernel, and so on) of the
operating system on which the executable runs, unless that component
itself accompanies the executable.

If distribution of executable or object code is made by offering
access to copy from a designated place, then offering equivalent
access to copy the source code from the same place counts as
distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.

  4. You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License.  Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
parties remain in full compliance.

  5. You are not required to accept this License, since you have not
signed it.  However, nothing else grants you permission to modify or
distribute the Program or its derivative works.  These actions are
prohibited by law if you do not accept this License.  Therefore, by
modifying or distributing the Program (or any work based on the
Program), you indicate your acceptance of this License to do so, and
all its terms and conditions for copying, distributing or modifying
the Program or works based on it.

  6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions.  You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
this License.

  7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License.  If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all.  For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.

If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.

It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices.  Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.

This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.

  8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded.  In such case, this License incorporates
the limitation as if written in the body of this License.

  9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time.  Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.

Each version is given a distinguishing version number.  If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation.  If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.

  10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission.  For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this.  Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.

                            NO WARRANTY

  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.

  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.

                     END OF TERMS AND CONDITIONS

        Appendix: How to Apply These Terms to Your New Programs

  If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.

  To do so, attach the following notices to the program.  It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) 19yy  <name of author>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

Also add information on how to contact you by electronic and paper mail.

If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:

    Gnomovision version 69, Copyright (C) 19yy name of author
    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    This is free software, and you are welcome to redistribute it
    under certain conditions; type `show c' for details.

The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License.  Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.

You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary.  Here is a sample; alter the names:

  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
  `Gnomovision' (which makes passes at compilers) written by James Hacker.

  <signature of Ty Coon>, 1 April 1989
  Ty Coon, President of Vice

This General Public License does not permit incorporating your program into
proprietary programs.  If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library.  If this is what you want to do, use the GNU Library General
Public License instead of this License.

A3. Export restictions

Wassennar export restrictions which cover my region, grants export to any software that is "In the public domain". And by the Wassennar definitions Floke Integrity is both "software" and "in the public domain". Thus any export from any Wassennar country should be okay. If other export/import restrictions apply to your region please consider them.