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|
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=UTF-8" />
<title>OpenCT Manual</title>
<link rel="stylesheet" href="openct.css" type="text/css" />
<meta name="generator"
content="DocBook XSL Stylesheets V1.64.1" />
</head>
<body>
<div class="book" lang="en">
<div class="titlepage">
<div>
<div>
<h1 class="title">
<a id="openct"></a>OpenCT Manual</h1>
</div>
<div>
<div class="author">
<h3 class="author">
<span class="firstname">Andreas</span>
<span class="surname">Jellinghaus</span>
</h3>
<tt class="email"><
<a href="mailto:aj@dungeon.inka.de">
aj@dungeon.inka.de</a>></tt>
</div>
</div>
</div>
<div></div>
<hr />
</div>
<div class="toc">
<p>
<b>Table of Contents</b>
</p>
<dl>
<dt>
<span class="chapter">
<a href="#openct.about">1. About OpenCT</a>
</span>
</dt>
<dt>
<span class="chapter">
<a href="#openct.copyright">2. Copyright and
license</a>
</span>
</dt>
<dt>
<span class="chapter">
<a href="#openct.supported">3. Supported readers and
tokens</a>
</span>
</dt>
<dt>
<span class="chapter">
<a href="#openct.requirements">4. Requirements</a>
</span>
</dt>
<dt>
<span class="chapter">
<a href="#openct.install">5. Installation</a>
</span>
</dt>
<dt>
<span class="chapter">
<a href="#openct.debug">6. Debugging</a>
</span>
</dt>
<dt>
<span class="chapter">
<a href="#openct.files">7. OpenCT files and tools</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="section">
<a href="#openct.files.varrunopenct">
/var/run/openct - OpenCT status directory</a>
</span>
</dt>
<dt>
<span class="section">
<a href="#openct.files.sbinopenctcontrol">
sbin/openct-control - OpenCT manager</a>
</span>
</dt>
<dt>
<span class="section">
<a href="#openct.files.sbinifdhandler">
sbin/ifdhandler - OpenCT device handler</a>
</span>
</dt>
<dt>
<span class="section">
<a href="#openct.files.opencttool">
bin/openct-tool</a>
</span>
</dt>
<dt>
<span class="section">
<a href="#openct.files.openctconf">
etc/openct.conf</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="#openct.ct-api">8. Using OpenCT via CT-API
interface</a>
</span>
</dt>
<dt>
<span class="chapter">
<a href="#openct.pcsc">9. Using OpenCT via PC/SC
Lite</a>
</span>
</dt>
<dt>
<span class="chapter">
<a href="#openct.library">10. Writing smart card
applications using OpenCT</a>
</span>
</dt>
<dt>
<span class="chapter">
<a href="#openct.trouble">11. Troubleshooting</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="section">
<a href="#openct.trouble.usb">Problems with USB
devices</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="#openct.security">12. Security</a>
</span>
</dt>
</dl>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.about"></a>Chapter 1. About
OpenCT</h2>
</div>
</div>
<div></div>
</div>
<p>This is OpenCT, a middleware framework for smart card
terminals.</p>
<p>It all started with a reader driver library - Olaf Kirch
wanted to write a library to provide a framework for people
writing drivers for smart card readers. The idea was to
provide all the usual stuff (T=0, T=1, serial vs. USB
device handling, etc) in a single place, and reduce driver
writing to interaction with the device itself.</p>
<p>OpenCT provides a native OpenCT, CT-API and PC/SC Lite
IFD interface with an OpenCT ifdhandler resource
manager.</p>
<p>OpenCT is an open source implementation providing card
terminal drivers. OpenCT was written by Olaf Kirch
<tt class="email"><
<a href="mailto:okir@suse.de">okir@suse.de</a>></tt>with
contributions from the following people:</p>
<div class="itemizedlist">
<ul type="disc">
<li>The checksum code for T=1 (src/ifd/checksum.c) was
taken from Matthias Bruestle's excellent SCEZ
library.</li>
<li>The e-gate and CCID drivers were contributed, and
are copyright by, Chaskiel Grundman
<tt class="email"><
<a href="mailto:cg2v@andrew.cmu.edu">
cg2v@andrew.cmu.edu</a>></tt></li>
<li>The eToken, Eutron and Rainbow iKey drivers are
based on code written by Andreas Jellinghaus
<tt class="email"><
<a href="mailto:aj@dungeon.inka.de">
aj@dungeon.inka.de</a>></tt></li>
<li>Markus Friedl helped with the *BSD port.</li>
<li>Support for Solaris was contributed by William
Wanders.</li>
<li>Thanks to Ville Skyttä for help with the
documentation.</li>
</ul>
</div>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.copyright">
</a>Chapter 2. Copyright and license</h2>
</div>
</div>
<div></div>
</div>
<p>Most of OpenCT is copyright by Olaf Kirch
<tt class="email"><
<a href="mailto:okir@suse.de">
okir@suse.de</a>></tt>under BSD license, but see every
source file for the individual authors.</p>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.supported">
</a>Chapter 3. Supported readers and
tokens</h2>
</div>
</div>
<div></div>
</div>
<div class="variablelist">
<dl>
<dt>
<span class="term">
<a href="http://www.chipdrive.de/cgi-bin/edcstore.cgi?user_action=detail&catalogno=P209005"
target="_top">Towitoko CHIPDRIVE micro</a>
</span>
</dt>
<dd>A cheap and very popular smart card reader for the
serial interfaces manufactured by
<a href="http://www.towitoko.de/" target="_top">
Towitoko AG</a>. Fully supported.</dd>
<dt>
<span class="term">
<a href="http://www.kobil.de/e/index.php?s=smartcard"
target="_top">KOBIL KAAN Professional</a>
</span>
</dt>
<dd>A smart card reader by
<a href="http://www.kobil.de/indexe.html"
target="_top">KOBIL Systems</a>for the serial
interfaces. Fully supported.</dd>
<dt>
<span class="term">
<a href="http://www.readers.slb.com/Products/e-gate/e-gate.html"
target="_top">Schlumberger e-gate</a>
</span>
</dt>
<dd>A USB token / smart card reader from
<a href="http://www.readers.slb.com/" target="_top">
Schlumberger</a>. It was only tested with Schlumberger
cyberflex 32k cards. FIXME: I don't know if that
adapter should work with other cards as well.</dd>
<dt>
<span class="term">
<a href="http://www.ealaddin.com/etoken/pro/usb.asp"
target="_top">Aladdin eToken PRO USB</a>
</span>
</dt>
<dd>A USB crypto Token by
<a href="http://www.ealaddin.com/" target="_top">
Aladdin Knowledge Systems</a>. Some older versions
could have problems with non-Intel mainboards. Except
for that issue: Fully supported.</dd>
<dt>
<span class="term">
<a href="http://www.cryptoidentity.eutron.com/"
target="_top">Eutron CryptoIdentity IT-SEC</a>
</span>
</dt>
<dd>A USB crypto Token by
<a href="http://www.eutron.com/" target="_top">
Eutron</a>. Fully supported.</dd>
<dt>
<span class="term">
<a href="http://www.rainbow.com/products/ikey/"
target="_top">Rainbow iKey 3000</a>
</span>
</dt>
<dd>A USB crypto Token by
<a href="http://www.rainbow.com/" target="_top">Rainbow
Technologies</a>. Fully supported.</dd>
<dt>
<span class="term">
<a href="http://www.omnikey.com/en/kat_smartcard.php?katid=1"
target="_top">OMNIKEY CardMan</a>
</span>
</dt>
<dd>A USB smart card reader. Not fully working as of
yet.</dd>
</dl>
</div>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.requirements">
</a>Chapter 4. Requirements</h2>
</div>
</div>
<div></div>
</div>
<p>To use OpenCT with smart card readers attached to the
serial port, you only need a kernel with a working serial
port, nothing special is required.</p>
<p>To use OpenCT with smart card readers attached via USB
you need a bit more: your kernel needs to support the USB
controller you are using. On most computers the USB
controller is part of the mainboard. If your mainboard uses
Intel chips you need most likely the "uhci" USB controller
support, for other vendors most likely the "ohci"
controller support.</p>
<p>FIXME: Add an URL to a generic USB HOWTO</p>
<p>You also need to compile your kernel with support for
the USB device filesystem and mount the filesystem to
<tt class="filename">/proc/bus/usb</tt>. The kernel option
is CONFIG_USB_DEVICEFS, please turn it on. To mount the
filesystem, please edit your
<tt class="filename">/etc/fstab</tt>. For a Linux kernel
2.4.* system, it should have a line</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
none /proc/bus/usb usbdevfs defaults 0 0
</pre>
</td>
</tr>
</table>
<p>and for a Linux kernel 2.5.* or 2.6.* system, it should
have a line:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
none /proc/bus/usb usbfs defaults 0 0
</pre>
</td>
</tr>
</table>
<p></p>
<p>Run
<tt class="prompt">mount -a</tt>after editing the file
<tt class="filename">/etc/fstab</tt>for the changes to take
effect. You can also reboot. If you are using sometimes
Linux kernels 2.4.* and sometimes 2.5.*/2.6.*, use the line
for kernel 2.4.*. You will get a warning, but it will still
work.</p>
<p>Your kernel also needs to be compiled with hotplugging
support. The relevant kernel option is CONFIG_HOTPLUG. You
don't need any of the hardware adapters.</p>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.install">
</a>Chapter 5. Installation</h2>
</div>
</div>
<div></div>
</div>
<p>First, you need to build the OpenCT libraries and
utilities. You do this by first invoking the configure
script, for instance</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
% ./configure --prefix=/usr --sysconfdir=/etc
</pre>
</td>
</tr>
</table>
<p></p>
<p>This will try configure OpenCT so it is installed below
<tt class="filename">/usr</tt>, and so that it expects its
configuration file
<tt class="filename">/etc</tt>. If you omit the
"--sysconfdir" option, OpenCT will look for the
configuration file in
<tt class="filename">$PREFIX/etc</tt>.</p>
<p>Next, you need to compile and install all libraries and
utilities using</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
% make
% make install
</pre>
</td>
</tr>
</table>
<p></p>
<p>Once that has completed, create the directory
<tt class="filename">/var/run/openct</tt>and set the
permissions. Do this with the commands:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# mkdir /var/run/openct
# chmod 755 /var/run/openct
</pre>
</td>
</tr>
</table>
<p></p>
<p>These default permissions will allow everyone on your
system to use smart card readers available via OpenCT. For
details and a more restrictive setup, please consult the
<a href="#openct.security"
title="Chapter 12. Security">chapter on
Security</a>.</p>
<p>Next, you need the configuration file
<tt class="filename">openct.conf</tt>. The exact location
of the file depends on how you invoked the
<tt class="filename">configure</tt>script, but using the
options shown above, the file should go to
<tt class="filename">/etc</tt>:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# cp etc/openct.conf /etc/
</pre>
</td>
</tr>
</table>
<p></p>
<p>You need to edit the config file for any serial reader
you might have. If you are only using USB tokens, the
default file is already fine.</p>
<p>Third you need an init script to perform some operations
on startup and shutdown. OpenCT ships with an init script
that should work at least on Debian systems. Install the
script by copying it from the source directory:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# cp etc/init-script /etc/init.d/openct
</pre>
</td>
</tr>
</table>
<p></p>
<p>Now configure your runlevels to start the init script
every time the system boots, and to stop the init script
every time the system shuts down. Use whatever your
distribution provides or a GUI tool like the KDE runlevel
editor.</p>
<p>Debian users can do this with a single command:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# update-rc.d openct start 99 2 3 4 5 . stop 01 0 1 6 .
Adding system startup for /etc/init.d/openct ...
/etc/rc0.d/K01openct -> ../init.d/openct
/etc/rc1.d/K01openct -> ../init.d/openct
/etc/rc6.d/K01openct -> ../init.d/openct
/etc/rc2.d/S99openct -> ../init.d/openct
/etc/rc3.d/S99openct -> ../init.d/openct
/etc/rc4.d/S99openct -> ../init.d/openct
/etc/rc5.d/S99openct -> ../init.d/openct
#
</pre>
</td>
</tr>
</table>
<p></p>
<p>Call the init script once with "start". Or reboot.
:-)</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# /etc/init.d/openct start
</pre>
</td>
</tr>
</table>
<p></p>
<p>And now the last task: if you want to use USB readers or
USB crypto tokens, you need to configure the hotplug system
to call openct every time there is a new smart card reader
or crypto token. The future releases will work better
without hotplug scripts because of multi-OS support issues.
For now, we recommend you to install Linux hotplug package
before installing OpenCT. After that, the standard install
mechanism should add all required files correctly to
directory
<tt class="filename">/etc/hotplug</tt>.</p>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.debug">
</a>Chapter 6. Debugging</h2>
</div>
</div>
<div></div>
</div>
<p>Edit
<tt class="filename">openct.conf</tt>and set debug to
4.</p>
<p>If the problem is with some USB crypto token, please
grep for usb_control - these are the lines we need to see
what is happening.</p>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.files"></a>Chapter 7. OpenCT
files and tools</h2>
</div>
</div>
<div></div>
</div>
<div class="toc">
<p>
<b>Table of Contents</b>
</p>
<dl>
<dt>
<span class="section">
<a href="#openct.files.varrunopenct">
/var/run/openct - OpenCT status directory</a>
</span>
</dt>
<dt>
<span class="section">
<a href="#openct.files.sbinopenctcontrol">
sbin/openct-control - OpenCT manager</a>
</span>
</dt>
<dt>
<span class="section">
<a href="#openct.files.sbinifdhandler">
sbin/ifdhandler - OpenCT device handler</a>
</span>
</dt>
<dt>
<span class="section">
<a href="#openct.files.opencttool">
bin/openct-tool</a>
</span>
</dt>
<dt>
<span class="section">
<a href="#openct.files.openctconf">
etc/openct.conf</a>
</span>
</dt>
</dl>
</div>
<p>This chapter will list all tools and files and explain
what they do.</p>
<div class="section" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both">
<a id="openct.files.varrunopenct">
</a>/var/run/openct - OpenCT status directory</h2>
</div>
</div>
<div></div>
</div>
<p>This directory holds status files for OpenCT. Create
it with:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
mkdir /var/run/openct
chmod 755 /var/run/openct
</pre>
</td>
</tr>
</table>
<p></p>
<p>By default everyone can use smart cards via OpenCT.
You can create a group "openct", assign users to that
group, and limit access to smart cards via openct like
this:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
chgrp openct /var/run/openct
chmod 750 /var/run/openct
</pre>
</td>
</tr>
</table>
<p></p>
</div>
<div class="section" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both">
<a id="openct.files.sbinopenctcontrol">
</a>sbin/openct-control - OpenCT manager</h2>
</div>
</div>
<div></div>
</div>
<p>Run openct-control once to setup the
<tt class="filename">status</tt>file in
<tt class="filename">/var/run/openct</tt>. Without that
file OpenCT will not work.</p>
<p></p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# /usr/sbin/openct-control
usage: openct-control [-d] [-f configfile] command
-d enable debugging; repeat to increase verbosity
-n disable coldplugging
-f specify config file (default /etc/openct.conf)
-h display this message
Where command is one of:
init - initialize OpenCT
attach device ident - attach a hotplug device
status - display status of all readers present
shutdown - shutdown OpenCT
</pre>
</td>
</tr>
</table>
<p></p>
</div>
<div class="section" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both">
<a id="openct.files.sbinifdhandler">
</a>sbin/ifdhandler - OpenCT device handler</h2>
</div>
</div>
<div></div>
</div>
<p>This app is called by openct-control to handle one
device, e.g. a smart card reader or an USB token.</p>
<p></p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# /usr/sbin/ifdhandler
usage: ifdhandler [-Hds] [-r reader] driver [device]
-r specify index of reader
-F stay in foreground
-H hotplug device, monitor for detach
-s send error and debug messages to syslog
-d enable debugging; repeat to increase verbosity
-h display this message
</pre>
</td>
</tr>
</table>
<p></p>
</div>
<div class="section" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both">
<a id="openct.files.opencttool">
</a>bin/openct-tool</h2>
</div>
</div>
<div></div>
</div>
<p></p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# /usr/bin/openct-tool
usage: openct-tool [-d] [-f configfile] [-r reader] command ...
-d enable debugging; repeat to increase verbosity
-f specify config file (default /etc/openct.conf)
-r specify index of reader to use
-h display this message
command: can be one of the following
list list all readers found
atr print ATR of card in selected reader
wait wait for card to be inserted
rwait wait for reader to attached
mf try to select main folder of card
read dump memory of synchronous card
</pre>
</td>
</tr>
</table>
<p></p>
</div>
<div class="section" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both">
<a id="openct.files.openctconf">
</a>etc/openct.conf</h2>
</div>
</div>
<div></div>
</div>
<p></p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# Set debug level
debug = 0;
#
# Enable hot plugging
hotplug = yes;
#
# Path to ifdhandler
ifdhandler = /usr/sbin/ifdhandler;
#
# Configuration for ifdproxy (if you use it)
ifdproxy {
# server-port = /var/run/openct/.ifdproxy,
# device-port = :6666;
};
# Configure static, non-hotplug aware readers here
#
# For a list of drivers try command 'ifdhandler -i', please
# notice that not all drivers have serial device capability.
#reader towitoko {
# driver = towitoko;
# device = serial:/dev/ttyS0;
#};
#
# Hotplug IDs
driver egate {
ids = {
usb:0973/0001,
};
};
driver etoken {
ids = {
usb:0529/050c,
usb:0529/0514,
};
};
driver eutron {
ids = {
usb:073d/0005,
};
};
driver ikey2k {
ids = {
usb:04b9/1202,
};
};
driver ikey3k {
ids = {
usb:04b9/1300,
};
};
driver cardman {
ids = {
usb:076b/0596, # OMNIKEY CardMan 2020
usb:076b/1784, # OMNIKEY CardMan 6020
usb:08d4/0009, # Fujitsu Siemens SCR USB SmartCard
Reader
};
};
driver ccid {
ids = {
usb:08e6/3437,
usb:08e6/3438,
usb:08e6/4433,
usb:04e6/5115,
usb:04e6/E001,
usb:04e6/E003,
usb:076b/3021,
usb:0783/0003,
};
};
</pre>
</td>
</tr>
</table>
<p></p>
</div>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.ct-api"></a>Chapter 8. Using
OpenCT via CT-API interface</h2>
</div>
</div>
<div></div>
</div>
<p>Install and configure the file
<tt class="filename">/etc/openct.conf</tt>as discussed.
Configure your CT-API application to load
<tt class="filename">lib/libopenctapi.so</tt>.</p>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.pcsc"></a>Chapter 9. Using
OpenCT via PC/SC Lite</h2>
</div>
</div>
<div></div>
</div>
<p>Install and configure the file
<tt class="filename">/etc/openct.conf</tt>as discussed.
Configure PC/SC Lite /etc/reader.conf to load
<tt class="filename">lib/openct-ifd.so</tt>.</p>
<p></p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
FRIENDLYNAME "OpenCT"
DEVICENAME OPENCT_DEV
LIBPATH /usr/lib/openct-ifd.so
CHANNELID 1
</pre>
</td>
</tr>
</table>
<p></p>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.library">
</a>Chapter 10. Writing smart card
applications using OpenCT</h2>
</div>
</div>
<div></div>
</div>
<p>OpenCT has a proprietary, but very easy to use
interface. Take a look at the header files
<tt class="filename">include/openct/*.h</tt>and the library
<tt class="filename">lib/libopenct.*</tt>.</p>
<p>If your application uses autoconf, we made it easy for
you to search for OpenCT and link with libopenct by
shipping OpenCT with a pkg-config file:
<tt class="filename">lib/pkg-config/libopenct.pc</tt></p>
<p>See the pkg-config man page for detailed
information.</p>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.trouble">
</a>Chapter 11. Troubleshooting</h2>
</div>
</div>
<div></div>
</div>
<div class="toc">
<p>
<b>Table of Contents</b>
</p>
<dl>
<dt>
<span class="section">
<a href="#openct.trouble.usb">Problems with USB
devices</a>
</span>
</dt>
</dl>
</div>
<p>If something does not work, please join the OpenSC
mailing list and ask for help. For details on the mailing
list take a look at
<a href="http://www.opensc.org/" target="_top">
http://www.opensc.org/</a></p>
<p>If you try to use a USB device, please try this: Do you
have a
<tt class="filename">/proc</tt>filesystem? This command
should work:
<tt class="prompt">ls /proc/sys</tt></p>
<p>Is your kernel compiled with USB support? Does the USB
support work? This command should list all USB devices:
<tt class="prompt">lsusb</tt></p>
<p>Is your kernel compiled with hotplugging support? This
command give the same output on your system:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
% cat /proc/sys/kernel/hotplug
/sbin/hotplug
%
</pre>
</td>
</tr>
</table>
<p></p>
<p>Do you have a hotplug script? This command should work:
<tt class="prompt">ls /sbin/hotplug</tt></p>
<p>Did you create the directory
<tt class="filename">/var/run/openct</tt>? What files are
in there? What are the file permissions? Try this command,
it should work and give you a similar output:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
% ls -la /var/run/openct/
total 8
drwxr-xr-x 2 root root 4096 2003-07-02 08:13 ./
drwxr-xr-x 8 root root 4096 2003-07-02 08:13 ../
-rw-r--r-- 1 root root 1728 2003-07-02 08:13 status
%
</pre>
</td>
</tr>
</table>
<p>See the
<a href="#openct.security"
title="Chapter 12. Security">security
chapter</a>for details on file permissions of this
directory.</p>
<div class="section" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both">
<a id="openct.trouble.usb"></a>Problems with USB
devices</h2>
</div>
</div>
<div></div>
</div>
<p>Are you using an USB smart card reader or USB crypto
token? What is it's USB vendor and product id?
<tt class="prompt">lsusb</tt>will tell you.</p>
<p>Is that product id listed in
<tt class="filename">openct.conf</tt>? If not, please add
it.</p>
<p>If you have a file
<tt class="filename">
/etc/hotplug/usb/openct.usermap</tt>, is the vendor and
product id listed in that file?</p>
<p>If that solves the problem, please let the OpenCT
developers know, so we can improve the default
configuration and documentation. You can reach us using
the OpenSC developer mailing list at
<tt class="email"><
<a href="mailto:opensc-devel@opensc.org">
opensc-devel@opensc.org</a>></tt>.</p>
</div>
</div>
<div class="chapter" lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a id="openct.security">
</a>Chapter 12. Security</h2>
</div>
</div>
<div></div>
</div>
<p>The default setting is not very secure: all users can
access your smart card readers. Several processes can use
the same smart card reader at the same time, but they
always have to be owned by the same users. (FIXME: is it
necessary to issue a LOCK command for this, or will it
always work like this?)</p>
<p>You can restrict access to smart card readers using
OpenCT to one user with these commands:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# chown user /var/run/openct
# chmod 700 /var/run/openct
</pre>
</td>
</tr>
</table>
<p></p>
<p>You can also create a group, add users to that group and
restrict access to smart card readers using OpenCT to that
group with these commands:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# chgrp group /var/run/openct
# chmod 750 /var/run/openct
</pre>
</td>
</tr>
</table>
<p></p>
<p>In both cases root can still access the smart card
readers. Replace
<i class="replaceable">
<tt>user</tt>
</i>and
<i class="replaceable">
<tt>group</tt>
</i>with the user and group of your choice.</p>
<p>If you want all users to be able to access smart card
readers using OpenCT:</p>
<table border="0" bgcolor="#E0E0E0">
<tr>
<td>
<pre class="screen">
# chmod 755 /var/run/openct
</pre>
</td>
</tr>
</table>
<p></p>
</div>
</div>
</body>
</html>
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