Diane, MacPorts... MacPorts, Diane. Okay now you're introduced. :)

MacPorts is a distribution of Unix utilities for the Macintosh, like the Fink project. MacPorts is a framework of port files that allows the user to download, compile, and install all the necessary dependancies for Unix utilities (like jailkit) in order to have them work correctly. To install MacPorts, just download the installer and run it. To use MacPorts, you need to opena terminal window, and use the '/opt/local/bin/port' command to then use MacPorts to do things, like...

Find out about what jailkit is
Biko:~ sck$ port info jailkit
jailkit 1.2, security/jailkit (Variants: universal)
http://olivier.sessink.nl/jailkit/

Jailkit is a set of utilities to allow quick creation of limited user accounts in a chroot jail. It contains a safe logging daemon, shells that can restrict users, utilities to start daemons in a chroot jail, and utilities for easy setup of chroot jails.

Library Dependencies: python23
Platforms: darwin
Maintainers: nomaintainer@macports.org
Find out about what files are installed as part of jailkit.
Biko:~ sck$ port contents jailkit
Port jailkit contains:
  /opt/local/etc/jailkit/jk_check.ini
  /opt/local/etc/jailkit/jk_chrootsh.ini
  /opt/local/etc/jailkit/jk_init.ini
  /opt/local/etc/jailkit/jk_lsh.ini
  /opt/local/etc/jailkit/jk_socketd.ini
  /opt/local/sbin/jk_addjailuser
  /opt/local/sbin/jk_check
  /opt/local/sbin/jk_chrootlaunch
  /opt/local/sbin/jk_chrootsh
  /opt/local/sbin/jk_cp
  /opt/local/sbin/jk_init
  /opt/local/sbin/jk_lsh
  /opt/local/sbin/jk_procmailwrapper
  /opt/local/sbin/jk_socketd
  /opt/local/share/doc/jailkit/COPYRIGHT
  /opt/local/share/doc/jailkit/INSTALL.txt
  /opt/local/share/doc/jailkit/README.txt
  /opt/local/share/jailkit/jk_lib.py
  /opt/local/share/jailkit/jk_lib.pyc
  /opt/local/share/man/man8/jailkit.8.gz
  /opt/local/share/man/man8/jk_addjailuser.8.gz
  /opt/local/share/man/man8/jk_check.8.gz
  /opt/local/share/man/man8/jk_chrootlaunch.8.gz
  /opt/local/share/man/man8/jk_chrootsh.8.gz
  /opt/local/share/man/man8/jk_cp.8.gz
  /opt/local/share/man/man8/jk_init.8.gz
  /opt/local/share/man/man8/jk_lsh.8.gz
  /opt/local/share/man/man8/jk_procmailwrapper.8.gz
  /opt/local/share/man/man8/jk_socketd.8.gz
And install jailkit on my Mac.
Biko:~ sck$ sudo port install jailkit
Password:
--->  Fetching jailkit
--->  Attempting to fetch jailkit-1.2.tar.bz2 from http://olivier.sessink.nl/jailkit/
--->  Verifying checksum(s) for jailkit
--->  Extracting jailkit
--->  Applying patches to jailkit
--->  Configuring jailkit
--->  Building jailkit with target all
--->  Staging jailkit into destroot
--->  Installing jailkit 1.2_0
--->  Activating jailkit 1.2_0
--->  Cleaning jailkit

Now jailkit is installed on my machine, and I can use 'man jailkit' to find out more about the system.

Scott

Diane White wrote: 
Please excuse me, but what exactly is MacPorts?  How does it work?  Is it
really what I want to use?  I found Mac Ports through looking at another
program called Jailkit, and there was another website (the predecessor to
MacPorts?) called DarwinPorts.  Unfortunately, the main page of MacPorts
does not have a simplified "This is what this is, this is what it does" type
of introduction, and I find that to be enormously helpful in putting myself
in the right mindset for what I am dealing with.  

Essentially what I'm trying to do is create an automated updater on a client
computer that logs into the server using sftp and downloads updated files
from a certain directory.  The server is Mac OS X 10.4.9, and I would like
the account that the updater uses to be chrooted to the download directory.
Based on my research so far, chroot is broken with the OpenSSH server unless
you install a patch or do other stuff, which I'm trying to minimize messing
with the current settings of the server and was really hoping to just have a
restricted user or group account.  

The jailkit program seemed like a simple solution, but to use it on the Mac,
I would have to install MacPorts?  Or is this just introducing another mess
for myself?  I'm not even positive at this point if that's what I really
want to use...

Thank you.  
Diane


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