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diff --git a/doc/ktalkd/index.docbook b/doc/ktalkd/index.docbook new file mode 100644 index 00000000..7cfbbb6f --- /dev/null +++ b/doc/ktalkd/index.docbook @@ -0,0 +1,608 @@ +<?xml version="1.0" ?> +<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [ + <!ENTITY kappname "&ktalkd;"> + <!ENTITY % addindex "IGNORE"> + <!ENTITY % English "INCLUDE" > <!-- change language only here --> +]> + +<book lang="&language;"> + +<bookinfo> +<title>The &ktalkd; Handbook</title> +<authorgroup> +<author> +<firstname>David</firstname> +<surname>Faure</surname> +<affiliation> +<address><email>[email protected]</email></address> +</affiliation> +</author> + +<!-- TRANS:ROLES_OF_TRANSLATORS --> +</authorgroup> + +<legalnotice> +&FDLNotice; +</legalnotice> + +<copyright> +<year>2001</year> +<holder>David Faure</holder> +</copyright> + +<date>2001-05-02</date> +<releaseinfo>1.05.02</releaseinfo> + +<abstract> +<para> +&ktalkd; is an enhanced <command>talk</command> daemon - a program +to handle incoming <command>talk</command> requests, announce them and +allow you to respond to it using a talk client. +</para> + +</abstract> +<keywordset> +<keyword>KTALKD</keyword> +<keyword>talk</keyword> +<keyword>talkd</keyword> +<keyword>otalk</keyword> +<keyword>ntalk</keyword> +<keyword>ktalkdlg</keyword> +<keyword>kcmktalkd</keyword> +</keywordset> +</bookinfo> + +<chapter id="introduction"> +<title>Introduction</title> + +<para> +&ktalkd; is an enhanced <command>talk</command> daemon - a program to +handle incoming <command>talk</command> requests, announce them and +allow you to respond to it using a <command>talk</command> client. +</para> + +<important> +<para> +Note that &ktalkd; is designed to run on a single-user workstation, and +shouldn't be run on a multi-user machine: since it reads users' +configuration files, users can get the <command>talk</command> daemon to +run any command, which is particularly dangerous. Do not use &ktalkd; if +you create accounts on your machine, to people you don't fully trust. +</para> +</important> + +<para> +In this document, if somebody wants to talk to you, you are designated +as the <quote>callee</quote>. +</para> + +<para>&ktalkd; has the following features :</para> + +<variablelist> +<varlistentry> +<term>Answering machine</term> +<listitem> +<para> +If the callee isn't logged on, or doesn't answer after +the second announcement, an answering machine is launched, takes the +message, and mails it to the callee. +</para> +</listitem> +</varlistentry> +<varlistentry> +<term>Sound</term> +<listitem> +<para> +If desired, a sound is played with the announcement. +</para> +</listitem> +</varlistentry> +<varlistentry> +<term> +X Announce +</term> +<listitem> +<para> +If compiled with &kde; installed, &ktalkd; will use +<command>ktalkdlg</command>, a &kde; dialog, for announcement. If +&ktalk; is running, it will be asked to make the announcement +itself. (New since 0.8.8). +</para> +</listitem> +</varlistentry> +<varlistentry> +<term>Multiple displays announcement</term> +<listitem> +<para> +If you are logged remotely (⪚ with an +<userinput><command>export</command> +<envar>DISPLAY</envar>=<replaceable>...</replaceable></userinput> +command), the X announcement will be made on this display too. Answer on +the one you want! If you're also logged in a text terminal, and if +you're <emphasis>not</emphasis> using xterms (internal restriction), +then you'll see a text announcement too, in case you're using the text +terminal at the time of the announcement. +</para> +</listitem> +</varlistentry> + +<varlistentry> +<term>Forwarding <emphasis>(New since 0.8.0)</emphasis></term> +<listitem> +<para> +You can set up a forward to another user even to another host +if you're away. There are 3 different forwarding methods. See section +<link linkend="usage">Usage</link>. +</para> +</listitem> +</varlistentry> + +<varlistentry> +<term>Configuration</term> +<listitem> +<para> +If &ktalkd; is compiled for &kde;, it reads config from &kde; config +files, the sitewide +(<filename>$<envar>KDEDIR</envar>/share/config/ktalkdrc</filename>) and +the user one, in its home folder. The sitewide one has to be manually +edited by the administrator, but there is now a configuration dialog for +the user one. It's called <command>kcmktalkd</command> and can be found +in the &kcontrol; after installing &ktalkd;. On non-&kde; systems, +&ktalkd; will read <filename>/etc/talkd.conf</filename>. +</para> +</listitem> +</varlistentry> + +<varlistentry> +<term>Internationalization</term> +<listitem> +<para> +Under &kde;, the announcement will be in your language provided that you +set it in the &kde; menus and that someone translated +<command>ktalkdlg</command> to your language. The same goes for the +configuration dialog, <command>kcmktalkd</command>. +</para> +</listitem> +</varlistentry> + +<varlistentry> +<term>Support for <command>otalk</command> and <command>ntalk</command> +<emphasis>(New since 0.8.1)</emphasis></term> +<listitem> +<para> +&ktalkd; now supports both protocols, even when forwarding. &ktalk; +supports both protocols as well. +</para> +</listitem> +</varlistentry> +</variablelist> + +<para>I hope you will enjoy this talk daemon,</para> + +<para>David Faure <email>[email protected]</email></para> + +</chapter> + +<chapter id="usage"> +<title>Usage</title> + +<para> +To use &ktalkd;, you need a <command>talk</command> client. The +text-based <command>talk</command> is available on most &UNIX; systems. Try <userinput><command>talk</command> <replaceable>your_username</replaceable></userinput> to see what happens when you +receive a <command>talk</command> request. +</para> + +<para> +You can also try the answering machine the same way: initiate a +<command>talk</command> to yourself, ignore the announcement twice, and +you'll see the answering machine. +</para> + +<para> +There is a <command>talk</command> client with a graphical interface for +&kde;, &ktalk;. It's not yet shipped with &kde; packages, but you can +find it on ftp://ftp.kde.org. It should be in <ulink +url="ftp://ftp.kde.org/pub/kde/stable/latest/apps/network">ftp://ftp.kde.org/pub/kde/stable/latest/apps/network</ulink> +</para> + +<para> +The announcement dialog box is trivial: <guibutton>respond</guibutton> +or <guibutton>ignore</guibutton>. +</para> + +<para> +The configuration dialog should be rather straight forward, except for +setting up a forward to another user (or even to another host). +</para> + +<sect1 id="choosing-a-forwarding-method"> +<title>Choosing a Forwarding Method</title> + +<para> +None is perfect, they all have pros (+) and cons (-). +</para> + +<variablelist> +<varlistentry> +<term><acronym>FWA</acronym> - Forward announcement only.</term> +<listitem> +<para> +Direct connection. Not recommended. +</para> +<itemizedlist> +<listitem> +<para> +(+) You know who the caller is, but +</para> +</listitem> +<listitem> +<para> +(-) Caller will have to respond to an announcement from you. Annoying. +</para> +</listitem> +<listitem> +<para> +(-) Don't use if you have an answering machine on your +<quote>away</quote> location. (The answering machine can't popup an +announcement, it would be confusing!) +</para> +</listitem> +</itemizedlist> +</listitem> +</varlistentry> + +<varlistentry> +<term><acronym>FWR</acronym> - Forward all requests, changing info when +necessary</term> +<listitem> +<para> +Direct connection. +</para> +<itemizedlist> +<listitem> +<para> +(+) Caller won't know that you're away, but +</para> +</listitem> +<listitem> +<para> +(-) You won't really know who the caller is - only his username, (so you +might see <computeroutput>talk from +Wintalk@my_host</computeroutput>) +</para> +</listitem> +</itemizedlist> +</listitem> +</varlistentry> + +<varlistentry> +<term><acronym>FWT</acronym> - Forward all requests and take the + talk.</term> +<listitem> +<para>No direct connection.</para> + +<itemizedlist> +<listitem> +<para> +(+) Same as above, but also works if you and caller can't be in +direct contact one with the other (⪚ firewall). +</para> +</listitem> +<listitem> +<para> +(+) You'll be told who's really talking to you when you accept the talk +</para> +</listitem> +<listitem> +<para> +(-) But as in <acronym>FWR</acronym>, you won't know his machine name in +the announcement +</para> +</listitem> +</itemizedlist> +</listitem> +</varlistentry> +</variablelist> + +<para> +In short, use <acronym>FWT</acronym> it you want to use it behind a +firewall (and if &ktalkd; can access both networks), and +<acronym>FWR</acronym> otherwise. +</para> + +</sect1> +</chapter> + +<chapter id="questions-and-answers"> +<title>Questions and Answers</title> + +<qandaset> +<qandaentry> +<question> +<para> +Why doesn't <systemitem class="username">root</systemitem> receive &kde; +announcements? +</para> +</question> + +<answer> +<para> +Because this would be security hole, with the current user +detection. You can bypass the limitation by adding two lines in +<command>xdm</command> config files (which are the same as &kdm; ones). +</para> + +<note> +<para> +The S.u.S.E &Linux; distribution includes those lines by default. +</para> +</note> + +<para> +Those config files are normally in a folder such as <filename +class="directory">/etc/X11/xdm</filename>, or <filename +class="directory">/usr/X11R6/lib/X11/xdm</filename> on other +systems. The following supposes that they are in <filename +class="directory">/etc/X11/xdm</filename>, so you might have to +translate them for another folder.</para> + +<para>Here is what you have to do:</para> + +<procedure> +<step> +<para>Edit the file <filename>Xstartup</filename>, or create it, (in the +<command>xdm</command> config folder) so that it reads: +</para> +<screen>#!/bin/sh +/etc/X11/xdm/GiveConsole +sessreg -a -l $DISPLAY -x /etc/X11/xdm/Xservers $USER</screen> +</step> +<step> +<para>and the file <filename>Xreset</filename> so that it reads: +</para> +<screen>#!/bin/sh +/etc/X11/xdm/TakeConsole +sessreg -d -l $DISPLAY $USER</screen> +</step> +<step> +<para> +Make sure that <filename>xdm-config</filename> make reference to those +two files: +</para> +<screen>DisplayManager._0.startup: /etc/X11/xdm/Xstartup +DisplayManager._0.reset: /etc/X11/xdm/Xreset </screen> +</step> +</procedure> + +<para> +This will make &kdm; (or <command>xdm</command>) log +the user into utmp, which is the right thing to do. It's not up to +&konsole;, nor <command>xterm</command>, to log the user, but to +<command>xdm</command> and &kdm;, in my +opinion. However, this will not log the user as an X user when using +<command>startx</command>... Any hint about that ? +</para> +</answer> +</qandaentry> + +<qandaentry> +<question> +<para> +Why don't I, as a normal user, receive &kde; announcements? +</para> +</question> + +<answer> +<para> +If you're running a &Linux; system (with <filename +class="directory">/proc</filename> enabled), this behavior is a +bug. Please send me a description of it so that I correct it. +</para> + +<para> +If you're running &Linux; 2.0.35, this is a known bug in the kernel, +which doesn't let <systemitem class="username">root</systemitem> read +<filename class="directory">/proc</filename>. The solution is the same +as in the previous question, provided that you run +&kdm; or <command>xdm</command> to log into X. Or +upgrade! +</para> + +<para> +Otherwise, this is normal. &ktalkd; can't find the user, as &kde; +doesn't log him into utmp and the &Linux; based (<filename +class="directory">/proc</filename>) detection is disabled. The solution +is the same as in the previous question, provided that you run +<acronym>kdm</acronym> or <acronym>xdm</acronym> to log into X. Another +solution is to make sure you always have an +<application>xterm</application> running. +</para> +</answer> +</qandaentry> + +<qandaentry> +<question> +<para> +How do I get debug output from &ktalkd;? +</para> +</question> + +<answer> +<para> +As it is a daemon, there is no debug output on standard output. To get +debugging output (for instance before submitting me a bug report!), +update the lines in <filename>inetd.conf</filename> which launches +&ktalkd; and &kotalkd; to be: +</para> + +<screen>talk dgram udp wait root /usr/sbin/tcpd /opt/kde/bin/ktalkd -d +ntalk dgram udp wait root /usr/sbin/tcpd /opt/kde/bin/ktalkd -d</screen> + +<para>Notice the <option>-d</option> option. +</para> + +<para> +Then edit <filename>/etc/syslog.conf</filename> to add the following +line: +</para> + +<screen>*.* /var/log/all_messages</screen> + +<para>To make it work, you then have to restart <command>inetd</command> +and <command>syslogd</command>:</para> + +<screen><prompt>%</prompt> <userinput><command>killall</command> <option>-HUP inetd</option></userinput> +<prompt>%</prompt> <userinput><command>killall</command> <option>-HUP syslogd</option></userinput></screen> + +<para>Finally, run a <command>talk</command> session and see the result +in <filename>/var/log/all_messages</filename> </para> + +<para>When submitting a bug report, never forget to include the +debugging output, but also &ktalkd;'s version number and the +<command>./configure</command> output. Thanks.</para> + +</answer> +</qandaentry> +</qandaset> + +</chapter> + +<chapter id="copyright-and-license"> +<title>Copyright and Licenses</title> + +<para> +&ktalkd; is maintained and improved by David Faure, +<email>[email protected]</email> +</para> + +<para> +The original program was written by Robert Cimrman, +<email>[email protected]</email> +</para> + +<!-- TRANS:CREDIT_FOR_TRANSLATORS --> + +&underFDL; +&underGPL; + +</chapter> + +<appendix id="installation"> +<title>Installation</title> + +<sect1 id="how-to-obtain-ktalkd"> +<title>How to obtain &ktalkd;</title> + +<para> +&ktalkd; is now a core application of the &kde; project <ulink +url="http://www.kde.org">http://www.kde.org</ulink>, part of the +kdenetwork package. +</para> + +<para> +You can always download the latest &ktalkd; from the main &FTP; site of +the &kde; project, <ulink +url="ftp://ftp.kde.org/pub/kde">ftp://ftp.kde.org/pub/kde</ulink> and +from its mirrors. It's usually found in <ulink +url="ftp://ftp.kde.org/pub/kde/stable/latest/apps/network">ftp://ftp.kde.org/pub/kde/stable/latest/apps/network</ulink> +</para> +</sect1> + +<sect1 id="requirements"> +<title>Requirements</title> + +<para> +In order to successfully compile &ktalkd;, you need the latest versions +of the &kde; libraries as well as the &Qt; C++ library. All required +libraries as well as ktalkd itself can be found on <ulink +url="ftp://ftp.kde.org/pub/kde/">ftp://ftp.kde.org/pub/kde/</ulink>. +</para> +</sect1> + +<sect1 id="compilation-and-installation"> +<title>Compilation and Installation</title> + +<para> +In order to compile and install &ktalkd; on your system, type the +following in the base folder of the &ktalkd; distribution: +</para> + +<screen><prompt>%</prompt> <userinput><command>./configure</command></userinput> +<prompt>%</prompt> <userinput><command>make</command></userinput> +<prompt>%</prompt> <userinput><command>make</command> <option>install</option></userinput></screen> + +<para>As &ktalkd; is a daemon, <userinput><command>make</command> +<option>install</option></userinput> will require <systemitem +class="username">root</systemitem> privileges.</para> + +<para> +Don't forget to update <filename>/etc/inetd.conf</filename>. For +example, on a &Linux; system, if &kde; is in <filename +class="directory">/opt/kde</filename>, change the lines concerning +<command>talk</command> and <command>ntalk</command> to: +</para> + +<screen>talk dgram udp wait root /usr/sbin/tcpd /opt/kde/bin/ktalkd +ntalk dgram udp wait root /usr/sbin/tcpd /opt/kde/bin/ktalkd</screen> + +<para>A script is provided, to make the necessary change automatically. +Update your <filename>inetd.conf</filename> file just by running</para> + +<screen><prompt>%</prompt> <userinput><command>./post-install.sh</command></userinput></screen> + +<para> +Anyway, you'll have to <emphasis>restart inetd</emphasis> after this. +On most &Linux; systems, do: +</para> + +<screen><prompt>%</prompt> <userinput><command>killall</command> <option>-HUP inetd</option></userinput></screen> + +<para> +On newer systems, using <command>xinetd</command>, there is no more +<filename>/etc/inetd.conf</filename>, and you should edit or create +<filename>/etc/xinetd.d/talk</filename> instead, with those lines: +</para> + +<screen>service talk +{ + socket_type = dgram + wait = yes + user = root + server = /usr/bin/ktalkd +} + +service ntalk +{ + socket_type = dgram + wait = yes + user = root + server = /usr/bin/ktalkd +}</screen> + +<para> +then restart <command>xinetd</command>. +</para> + +<para> +Please inform me of any modification you had to undertake in order to +get &ktalkd; to compile or work on your platform. +</para> +</sect1> + +</appendix> + +</book> + +<!-- +Local Variables: +mode: sgml +sgml-minimize-attributes:nil +sgml-general-insert-case:lower +sgml-indent-step:0 +sgml-indent-data:nil +End: + +// vim:ts=0:sw=2:tw=78:noet +--> + + |