3162 lines
119 KiB
TeX
3162 lines
119 KiB
TeX
\documentclass[a4paper,10pt]{article}
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%% Packages
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\usepackage{float}
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\usepackage{graphics}
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\usepackage{hevea}
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\usepackage[pdftex,colorlinks,unicode,urlcolor=blue,linkcolor=blue,
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pdftitle=Ejabberd\ Installation\ and\ Operation\ Guide,pdfauthor=Process-one,pdfsubject=ejabberd,pdfkeywords=ejabberd,
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pdfpagelabels=false]{hyperref}
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\usepackage{makeidx}
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%\usepackage{showidx} % Only for verifying the index entries.
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\usepackage{verbatim}
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\usepackage{geometry}
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\usepackage{fancyhdr}
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\pagestyle{fancy} %Forces the page to use the fancy template
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%% Index
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\makeindex
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% Remove the index anchors from the HTML version to save size and bandwith.
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\newcommand{\ind}[1]{\begin{latexonly}\index{#1}\end{latexonly}}
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%% Images
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\newcommand{\logoscale}{0.7}
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\newcommand{\imgscale}{0.58}
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\newcommand{\insimg}[1]{\insscaleimg{\imgscale}{#1}}
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\newcommand{\insscaleimg}[2]{
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\imgsrc{#2}{}
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\begin{latexonly}
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\scalebox{#1}{\includegraphics{#2}}
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\end{latexonly}
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}
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%% Various
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\newcommand{\bracehack}{\def\{{\char"7B}\def\}{\char"7D}}
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\newcommand{\titem}[1]{\item[\bracehack\texttt{#1}]}
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\newcommand{\ns}[1]{\texttt{#1}}
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\newcommand{\jid}[1]{\texttt{#1}}
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\newcommand{\option}[1]{\texttt{#1}}
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\newcommand{\poption}[1]{{\bracehack\texttt{#1}}}
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\newcommand{\node}[1]{\texttt{#1}}
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\newcommand{\term}[1]{\texttt{#1}}
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\newcommand{\shell}[1]{\texttt{#1}}
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\newcommand{\ejabberd}{\texttt{ejabberd}}
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\newcommand{\Jabber}{Jabber}
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%% Modules
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\newcommand{\module}[1]{\texttt{#1}}
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\newcommand{\modadhoc}{\module{mod\_adhoc}}
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\newcommand{\modannounce}{\module{mod\_announce}}
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\newcommand{\modconfigure}{\module{mod\_configure}}
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\newcommand{\moddisco}{\module{mod\_disco}}
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\newcommand{\modecho}{\module{mod\_echo}}
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\newcommand{\modirc}{\module{mod\_irc}}
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\newcommand{\modlast}{\module{mod\_last}}
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\newcommand{\modlastodbc}{\module{mod\_last\_odbc}}
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\newcommand{\modmuc}{\module{mod\_muc}}
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\newcommand{\modmuclog}{\module{mod\_muc\_log}}
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\newcommand{\modoffline}{\module{mod\_offline}}
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\newcommand{\modofflineodbc}{\module{mod\_offline\_odbc}}
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\newcommand{\modprivacy}{\module{mod\_privacy}}
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\newcommand{\modprivate}{\module{mod\_private}}
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\newcommand{\modpubsub}{\module{mod\_pubsub}}
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\newcommand{\modregister}{\module{mod\_register}}
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\newcommand{\modroster}{\module{mod\_roster}}
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\newcommand{\modrosterodbc}{\module{mod\_roster\_odbc}}
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\newcommand{\modservicelog}{\module{mod\_service\_log}}
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\newcommand{\modsharedroster}{\module{mod\_shared\_roster}}
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\newcommand{\modstats}{\module{mod\_stats}}
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\newcommand{\modtime}{\module{mod\_time}}
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\newcommand{\modvcard}{\module{mod\_vcard}}
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\newcommand{\modvcardldap}{\module{mod\_vcard\_ldap}}
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\newcommand{\modvcardodbc}{\module{mod\_vcard\_odbc}}
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\newcommand{\modversion}{\module{mod\_version}}
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%% Common options
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\newcommand{\iqdiscitem}[1]{\titem{iqdisc} \ind{options!iqdisc}This specifies
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the processing discipline for #1 IQ queries
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(see section~\ref{sec:modiqdiscoption}).}
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\newcommand{\hostitem}[1]{
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\titem{hosts} \ind{options!hosts} This option defines the hostnames of the
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service (see section~\ref{sec:modhostsoption}). If neither \texttt{hosts} nor
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the old \texttt{host} is present, the prefix `\jid{#1.}' is added to all
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\ejabberd{} hostnames.
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}
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%\newcommand{\quoting}[2][yozhik]{\begin{quotation}\textcolor{#1}{\textit{#2}}\end{quotation}} % Quotes enabled
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%\renewcommand{command}[args][default]{def}
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%\renewcommand{\headrule}{{\color{ejblue}%
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%\hrule width\headwidth height\headrulewidth \vskip-\headrulewidth}}
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%% Title page
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\include{version}
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\newlength{\larg}
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\setlength{\larg}{14.5cm}
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\title{
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{\rule{\larg}{1mm}}\vspace{7mm}
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\begin{tabular}{r}
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{\huge {\bf ejabberd \version\ }} \\
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\\
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{\huge Installation and Operation Guide}
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\end{tabular}\\
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\vspace{2mm}
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{\rule{\larg}{1mm}}
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\vspace{2mm} \\
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\begin{tabular}{r}
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{\large \bf \today}
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\end{tabular}\\
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\vspace{5.5cm}
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}
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\author{\begin{tabular}{p{13.7cm}}
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ejabberd Development Team
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\end{tabular}}
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\date{}
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%% Options
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\newcommand{\marking}[1]{#1} % Marking disabled
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\newcommand{\quoting}[2][yozhik]{} % Quotes disabled
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\newcommand{\new}{\marginpar{\textsc{new}}} % Highlight new features
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\newcommand{\improved}{\marginpar{\textsc{improved}}} % Highlight improved features
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%% To by-pass errors in the HTML version.
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\newstyle{SPAN}{width:20\%; float:right; text-align:left; margin-left:auto;}
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%% Footnotes
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\begin{latexonly}
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\global\parskip=9pt plus 3pt minus 1pt
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\global\parindent=0pt
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\gdef\ahrefurl#1{\href{#1}{\texttt{#1}}}
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\gdef\footahref#1#2{#2\footnote{\href{#1}{\texttt{#1}}}}
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\end{latexonly}
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\newcommand{\tjepref}[2]{\footahref{http://www.jabber.org/jeps/jep-#1.html}{#2}}
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\newcommand{\jepref}[1]{\tjepref{#1}{JEP-#1}}
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\begin{document}
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\label{titlepage}
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\begin{titlepage}
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\maketitle{}
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%% Commenting. Breaking clean layout for now:
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%% \begin{center}
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%% {\insscaleimg{\logoscale}{logo.png}
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%% \par
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%% }
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%% \end{center}
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%% \begin{quotation}\textit{I can thoroughly recommend ejabberd for ease of setup ---
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%% Kevin Smith, Current maintainer of the Psi project}\end{quotation}
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\end{titlepage}
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% Set the page counter to 2 so that the titlepage and the second page do not
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% have the same page number. This fixes the PDFLaTeX warning "destination with
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% the same identifier".
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\begin{latexonly}
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\setcounter{page}{2}
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\end{latexonly}
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\tableofcontents{}
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% Input introduction.tex
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\input{introduction}
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\section{\aname{installsource}{Installation from Source}}
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\label{sec:installsource}
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\ind{installation}
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\subsection{\aname{installreq}{Installation Requirements}}
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\label{sec:installreq}
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\ind{installation!requirements}
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\subsubsection{\aname{installrequnix}{`Unix-like' operating systems}}
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\label{sec:installrequnix}
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To compile \ejabberd{} on a `Unix-like' operating system, you need:
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\begin{itemize}
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\item GNU Make
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\item GCC
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\item libexpat 1.95 or higher
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\item Erlang/OTP R9C-2 or higher
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\item OpenSSL 0.9.6 or higher (optional)
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\item Zlib 1.2.3 or higher (optional)
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\item GNU Iconv 1.8 or higher (optional, not needed on systems with GNU libc)
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\end{itemize}
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\subsubsection{\aname{installreqwin}{Windows}}
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\label{sec:installreqwin}
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To compile \ejabberd{} on a Windows flavour, you need:
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\begin{itemize}
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\item MS Visual C++ 6.0 Compiler
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\item \footahref{http://erlang.org/download.html}{Erlang/OTP R9C-2 or higher}
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\item \footahref{http://sourceforge.net/project/showfiles.php?group\_id=10127\&package\_id=11277}{Expat 1.95.7 or higher}
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\item
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\footahref{http://www.gnu.org/software/libiconv/}{GNU Iconv 1.9.1}
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(optional)
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\item \footahref{http://www.slproweb.com/products/Win32OpenSSL.html}{Shining Light OpenSSL}
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(to enable SSL connections)
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\item \footahref{http://www.zlib.net/}{Zlib 1.2.3 or higher}
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\end{itemize}
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\subsection{\aname{obtaining}{Obtaining \ejabberd{}}}
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\label{sec:obtaining}
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\ind{download}
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Released versions of \ejabberd{} can be obtained from \\
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\ahrefurl{http://www.process-one.net/en/projects/ejabberd/download.html}.
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\ind{Subversion repository}
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The latest development version can be retrieved from the Subversion repository\@.
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\begin{verbatim}
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svn co http://svn.process-one.net/ejabberd/trunk ejabberd
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\end{verbatim}
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\subsection{\aname{compile}{Compilation}}
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\label{sec:compile}
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\ind{installation!compilation}
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\subsubsection{\aname{compileunix}{`Unix-like' operating systems}}
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\label{sec:compileunix}
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Compile \ejabberd{} on a `Unix-like' operating system by executing:
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\begin{verbatim}
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./configure
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make
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su
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make install
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\end{verbatim}
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These commands will:
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\begin{itemize}
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\item install \ejabberd{} into the directory \verb|/var/lib/ejabberd|,
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\item install the configuration file into \verb|/etc/ejabberd|,
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\item create a directory called \verb|/var/log/ejabberd| to store log files.
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\end{itemize}
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Note: if you want to use an external database, you need to execute the configure
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script with the option(s) \term{--enable-odbc} or \term{--enable-odbc
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--enable-mssql}. See section~\ref{sec:database} for more information.
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\subsubsection{\aname{compilewin}{Windows}}
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\label{sec:compilewin}
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\begin{itemize}
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\item Install Erlang emulator (for example, into \verb|C:\Program Files\erl5.3|).
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\item Install Expat library into \verb|C:\Program Files\Expat-1.95.7|
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directory.
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Copy file \verb|C:\Program Files\Expat-1.95.7\Libs\libexpat.dll|
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to your Windows system directory (for example, \verb|C:\WINNT| or
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\verb|C:\WINNT\System32|)
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\item Build and install the Iconv library into the directory
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\verb|C:\Program Files\iconv-1.9.1|.
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Copy file \verb|C:\Program Files\iconv-1.9.1\bin\iconv.dll| to your
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Windows system directory (more installation instructions can be found in the
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file README.woe32 in the iconv distribution).
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Note: instead of copying libexpat.dll and iconv.dll to the Windows
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directory, you can add the directories
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\verb|C:\Program Files\Expat-1.95.7\Libs| and
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\verb|C:\Program Files\iconv-1.9.1\bin| to the \verb|PATH| environment
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variable.
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\item While in the directory \verb|ejabberd\src| run:
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\begin{verbatim}
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configure.bat
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nmake -f Makefile.win32
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\end{verbatim}
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\item Edit the file \verb|ejabberd\src\ejabberd.cfg| and run
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\begin{verbatim}
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werl -s ejabberd -name ejabberd
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\end{verbatim}
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\end{itemize}
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%TODO: how to compile database support on windows?
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\subsection{\aname{start}{Starting}}
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\label{sec:start}
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\ind{starting}
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%TODO: update when the ejabberdctl script is made more userfriendly
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Execute the following command to start \ejabberd{}:
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\begin{verbatim}
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erl -pa /var/lib/ejabberd/ebin -name ejabberd -s ejabberd
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\end{verbatim}
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or
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\begin{verbatim}
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erl -pa /var/lib/ejabberd/ebin -sname ejabberd -s ejabberd
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\end{verbatim}
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In the latter case the Erlang node will be identified using only the first part
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of the host name, i.\,e. other Erlang nodes outside this domain cannot contact
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this node.
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Note that when using the above command, \ejabberd{} will search for the
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configuration file in the current directory and will use the current directory
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for storing its user database and for logging.
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To specify the path to the configuration file, the log files and the Mnesia
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database directory, you may use the following command:
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\begin{verbatim}
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erl -pa /var/lib/ejabberd/ebin \
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-sname ejabberd \
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-s ejabberd \
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-ejabberd config \"/etc/ejabberd/ejabberd.cfg\" \
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log_path \"/var/log/ejabberd/ejabberd.log\" \
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-sasl sasl_error_logger \{file,\"/var/log/ejabberd/sasl.log\"\} \
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-mnesia dir \"/var/lib/ejabberd/spool\"
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\end{verbatim}
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You can find other useful options in the Erlang manual page
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(\shell{erl -man erl}).
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To use more than 1024 connections, you should set the environment variable
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\verb|ERL_MAX_PORTS|:
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\begin{verbatim}
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export ERL_MAX_PORTS=32000
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\end{verbatim}
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Note that with this value, \ejabberd{} will use more memory (approximately 6\,MB
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more).
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To reduce memory usage, you may set the environment variable
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\verb|ERL_FULLSWEEP_AFTER|:
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\begin{verbatim}
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export ERL_FULLSWEEP_AFTER=0
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\end{verbatim}
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But in this case \ejabberd{} can start to work slower.
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\section{\aname{basicconfig}{Basic Configuration}}
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\label{sec:basicconfig}
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\ind{configuration file}
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The configuration file will be loaded the first time you start \ejabberd{}. The
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content from this file will be parsed and stored in a database. Subsequently the
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configuration will be loaded from the database and any commands in the
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configuration file are appended to the entries in the database. The
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configuration file contains a sequence of Erlang terms. Lines beginning with a
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\term{`\%'} sign are ignored. Each term is a tuple of which the first element is
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the name of an option, and any further elements are that option's values. If the
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configuration file do not contain for instance the `hosts' option, the old
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host name(s) stored in the database will be used.
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You can override the old values stored in the database by adding next lines to
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the configuration file:
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\begin{verbatim}
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override_global.
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override_local.
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override_acls.
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\end{verbatim}
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With these lines the old global options, local options and ACLs will be removed
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before new ones are added.
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\subsection{\aname{hostnames}{Host Names}}
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\label{sec:hostnames}
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\ind{options!hosts}\ind{host names}
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The option \option{hosts} defines a list containing one or more domains that
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\ejabberd{} will serve.
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Examples:
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\begin{itemize}
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\item Serving one domain:
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\begin{verbatim}
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{hosts, ["example.org"]}.
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\end{verbatim}
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\item Serving one domain, and backwards compatible with older \ejabberd{}
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versions:
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\begin{verbatim}
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{host, "example.org"}.
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\end{verbatim}
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\item Serving two domains:
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\begin{verbatim}
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{hosts, ["example.net", "example.com"]}.
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\end{verbatim}
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\end{itemize}
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\subsection{\aname{virtualhost}{Virtual Hosting}}
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\label{sec:virtualhost}
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\ind{virtual hosting}\ind{virtual hosts}\ind{virtual domains}
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Options can be defined separately for every virtual host using the
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\term{host\_config} option.\ind{options!host\_config} It has the following
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syntax:
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\begin{verbatim}
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{host_config, <hostname>, [<option>, <option>, ...]}.
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\end{verbatim}
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Examples:
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\begin{itemize}
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\item Domain \jid{example.net} is using the internal authentication method while
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domain \jid{example.com} is using the \ind{LDAP}LDAP server running on the
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domain \jid{localhost} to perform authentication:
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\begin{verbatim}
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{host_config, "example.net", [{auth_method, internal}]}.
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{host_config, "example.com", [{auth_method, ldap},
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{ldap_servers, ["localhost"]},
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{ldap_uidattr, "uid"},
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{ldap_rootdn, "dc=localdomain"},
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{ldap_rootdn, "dc=example,dc=com"},
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{ldap_password, ""}]}.
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\end{verbatim}
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\item Domain \jid{example.net} is using \ind{ODBC}ODBC to perform authentication
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while domain \jid{example.com} is using the LDAP servers running on the domains
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\jid{localhost} and \jid{otherhost}:
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\begin{verbatim}
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{host_config, "example.net", [{auth_method, odbc},
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{odbc_server, "DSN=ejabberd;UID=ejabberd;PWD=ejabberd"}]}.
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{host_config, "example.com", [{auth_method, ldap},
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{ldap_servers, ["localhost", "otherhost"]},
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{ldap_uidattr, "uid"},
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{ldap_rootdn, "dc=localdomain"},
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{ldap_rootdn, "dc=example,dc=com"},
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{ldap_password, ""}]}.
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\end{verbatim}
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\end{itemize}
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\subsection{\aname{listened}{Listened Sockets}}
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\label{sec:listened}
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\ind{options!listen}
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The option \option{listen} defines for which addresses and ports \ejabberd{}
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will listen and what services will be run on them. Each element of the list is a
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tuple with the following elements:
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\begin{itemize}
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\item Port number.
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\item Module that serves this port.
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\item Options to this module.
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\end{itemize}
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\ind{modules!ejabberd\_c2s}\ind{modules!ejabberd\_s2s\_in}\ind{modules!ejabberd\_service}\ind{modules!ejabberd\_http}\ind{protocols!JEP-0114: Jabber Component Protocol}
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Currently next modules are implemented:
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\begin{table}[H]
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\centering
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\def\arraystretch{1.4}
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\begin{tabular}{|l|l|p{87mm}|}
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\hline \texttt{ejabberd\_c2s}& Description& Handles c2s connections.\\
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\cline{2-3} & Options& \texttt{access}, \texttt{certfile}, \texttt{inet6},
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\texttt{ip}, \texttt{max\_stanza\_size}, \texttt{shaper}, \texttt{ssl},
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\texttt{tls}, \texttt{starttls}, \texttt{starttls\_required},
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\texttt{zlib}\\
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\hline \texttt{ejabberd\_s2s\_in}& Description& Handles incoming s2s
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connections.\\
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\cline{2-3} & Options& \texttt{inet6}, \texttt{ip},
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\texttt{max\_stanza\_size}\\
|
|
\hline \texttt{ejabberd\_service}& Description& Interacts with external
|
|
components (*).\\
|
|
\cline{2-3} & Options& \texttt{access}, \texttt{hosts}, \texttt{inet6},
|
|
\texttt{ip}, \texttt{shaper}\\
|
|
\hline \texttt{ejabberd\_http}& Description& Handles incoming HTTP
|
|
connections.\\
|
|
\cline{2-3} & Options& \texttt{certfile}, \texttt{http\_poll},
|
|
\texttt{inet6}, \texttt{ip}, \texttt{tls}, \texttt{web\_admin}\\
|
|
\hline
|
|
\end{tabular}
|
|
\end{table}
|
|
|
|
(*) The mechanism for \footahref{http://ejabberd.jabber.ru/tutorials-transports}{external components} is defined in Jabber Component Protocol (\jepref{0114}).
|
|
|
|
The following options are available:
|
|
\begin{description}
|
|
\titem{\{access, <access rule>\}} \ind{options!access}This option defines
|
|
access to the port. The default value is \term{all}.
|
|
\titem{\{certfile, Path\}} Path to a file containing the SSL certificate.
|
|
\titem{\{hosts, [Hostnames], [HostOptions]\}} \ind{options!hosts}This option
|
|
defines one or more hostnames of connected services and enables you to
|
|
specify additional options including \poption{\{password, Secret\}}.
|
|
\titem{http\_poll} \ind{options!http\_poll}\ind{protocols!JEP-0025: HTTP Polling}\ind{JWChat}\ind{web-based Jabber client}
|
|
This option enables HTTP Polling (\jepref{0025}) support. HTTP Polling
|
|
enables access via HTTP requests to \ejabberd{} from behind firewalls which
|
|
do not allow outgoing sockets on port 5222.
|
|
|
|
If HTTP Polling is enabled, it will be available at
|
|
\verb|http://server:port/http-poll/|. Be aware that support for HTTP Polling
|
|
is also needed in the \Jabber{} client. Remark also that HTTP Polling can be
|
|
interesting to host a web-based \Jabber{} client such as
|
|
\footahref{http://jwchat.sourceforge.net/}{JWChat} (there is a tutorial to
|
|
\footahref{http://ejabberd.jabber.ru/jwchat}{install JWChat} with
|
|
instructions for \ejabberd{}).
|
|
\titem{inet6} \ind{options!inet6}\ind{IPv6}Set up the socket for IPv6.
|
|
\titem{\{ip, IPAddress\}} \ind{options!ip}This option specifies which network
|
|
interface to listen for. For example \verb|{ip, {192, 168, 1, 1}}|.
|
|
\titem{\{max\_stanza\_size, Size\}} \ind{options!max\_stanza\_size}This
|
|
option specifies an approximate maximum size in bytes of XML stanzas.
|
|
Approximate, because it is calculated with the precision of one block of
|
|
readed data. For example \verb|{max_stanza_size, 65536}|. The default
|
|
value is \term{infinity}.
|
|
\titem{\{shaper, <access rule>\}} \ind{options!shaper}This option defines a
|
|
shaper for the port (see section~\ref{sec:shapers}). The default value
|
|
is \term{none}.
|
|
\titem{ssl} \ind{options!ssl}\ind{SSL}This option specifies that traffic on
|
|
the port will be encrypted using SSL. You should also set the
|
|
\option{certfile} option. It is recommended to use the \term{tls} option
|
|
instead.
|
|
\titem{starttls} \ind{options!starttls}\ind{STARTTLS}This option
|
|
specifies that STARTTLS encryption is available on connections to the port.
|
|
You should also set the \option{certfile} option.
|
|
\titem{starttls\_required} \ind{options!starttls\_required}This option
|
|
specifies that STARTTLS encryption is required on connections to the port.
|
|
No unencrypted connections will be allowed. You should also set the
|
|
\option{certfile} option.
|
|
\titem{tls} \ind{options!tls}\ind{TLS}This option specifies that traffic on
|
|
the port will be encrypted using SSL immediately after connecting. You
|
|
should also set the \option{certfile} option.
|
|
\titem{zlib} \ind{options!zlib}\ind{protocols!JEP-0138: Stream Compression}\ind{Zlib}This
|
|
option specifies that Zlib stream compression (as defined in \jepref{0138})
|
|
is available on connections to the port. Client connections cannot use
|
|
stream compression and stream encryption simultaneously. Hence, if you
|
|
specify both \option{tls} (or \option{ssl}) and \option{zlib}, the latter
|
|
option will not affect connections (there will be no stream compression).
|
|
\titem{web\_admin} \ind{options!web\_admin}\ind{web interface}This option
|
|
enables the web interface for \ejabberd{} administration which is available
|
|
at \verb|http://server:port/admin/|. Login and password are the username and
|
|
password of one of the registered users who are granted access by the
|
|
`configure' access rule.
|
|
\end{description}
|
|
|
|
In addition, the following options are available for s2s connections:
|
|
\begin{description}
|
|
\titem{\{s2s\_use\_starttls, true|false\}}
|
|
\ind{options!s2s\_use\_starttls}\ind{STARTTLS}This option defines whether to
|
|
use STARTTLS for s2s connections.
|
|
\titem{\{s2s\_certfile, Path\}} \ind{options!s2s\_certificate}Path to a
|
|
file containing a SSL certificate.
|
|
\titem{\{domain\_certfile, Domain, Path\}} \ind{options!domain\_certfile}Path
|
|
to the file containing the SSL certificate for the specified domain.
|
|
\end{description}
|
|
|
|
For instance, the following configuration defines that:
|
|
\begin{itemize}
|
|
\item c2s connections are listened for on port 5222 and 5223 (SSL) and denied
|
|
for the user called `\term{bad}'.
|
|
\item s2s connections are listened for on port 5269 with STARTTLS for secured
|
|
traffic enabled.
|
|
\item Port 5280 is serving the web interface and the HTTP Polling service. Note
|
|
that it is also possible to serve them on different ports. The second
|
|
example in section~\ref{sec:webinterface} shows how exactly this can be done.
|
|
\item All users except for the administrators have a traffic of limit
|
|
1,000\,Bytes/second
|
|
\item \ind{transports!AIM}The
|
|
\footahref{http://ejabberd.jabber.ru/pyaimt}{AIM transport}
|
|
\jid{aim.example.org} is connected to port 5233 with password
|
|
`\term{aimsecret}'.
|
|
\item \ind{transports!ICQ}The ICQ transport JIT (\jid{icq.example.org} and
|
|
\jid{sms.example.org}) is connected to port 5234 with password
|
|
`\term{jitsecret}'.
|
|
\item \ind{transports!MSN}The
|
|
\footahref{http://ejabberd.jabber.ru/pymsnt}{MSN transport}
|
|
\jid{msn.example.org} is connected to port 5235 with password
|
|
`\term{msnsecret}'.
|
|
\item \ind{transports!Yahoo}The
|
|
\footahref{http://ejabberd.jabber.ru/yahoo-transport-2}{Yahoo! transport}
|
|
\jid{yahoo.example.org} is connected to port 5236 with password
|
|
`\term{yahoosecret}'.
|
|
\item \ind{transports!Gadu-Gadu}The \footahref{http://ejabberd.jabber.ru/jabber-gg-transport}{Gadu-Gadu transport} \jid{gg.example.org} is
|
|
connected to port 5237 with password `\term{ggsecret}'.
|
|
\item \ind{transports!email notifier}The
|
|
\footahref{http://ejabberd.jabber.ru/jmc}{Jabber Mail Component}
|
|
\jid{jmc.example.org} is connected to port 5238 with password
|
|
`\term{jmcsecret}'.
|
|
\end{itemize}
|
|
\begin{verbatim}
|
|
{acl, blocked, {user, "bad"}}.
|
|
{access, c2s, [{deny, blocked},
|
|
{allow, all}]}.
|
|
{shaper, normal, {maxrate, 1000}}.
|
|
{access, c2s_shaper, [{none, admin},
|
|
{normal, all}]}.
|
|
{listen,
|
|
[{5222, ejabberd_c2s, [{access, c2s}, {shaper, c2s_shaper}]},
|
|
{5223, ejabberd_c2s, [{access, c2s},
|
|
ssl, {certfile, "/path/to/ssl.pem"}]},
|
|
{5269, ejabberd_s2s_in, []},
|
|
{5280, ejabberd_http, [http_poll, web_admin]},
|
|
{5233, ejabberd_service, [{host, "aim.example.org",
|
|
[{password, "aimsecret"}]}]},
|
|
{5234, ejabberd_service, [{hosts, ["icq.example.org", "sms.example.org"],
|
|
[{password, "jitsecret"}]}]},
|
|
{5235, ejabberd_service, [{host, "msn.example.org",
|
|
[{password, "msnsecret"}]}]},
|
|
{5236, ejabberd_service, [{host, "yahoo.example.org",
|
|
[{password, "yahoosecret"}]}]},
|
|
{5237, ejabberd_service, [{host, "gg.example.org",
|
|
[{password, "ggsecret"}]}]},
|
|
{5238, ejabberd_service, [{host, "jmc.example.org",
|
|
[{password, "jmcsecret"}]}]}
|
|
]
|
|
}.
|
|
{s2s_use_starttls, true}.
|
|
{s2s_certfile, "/path/to/ssl.pem"}.
|
|
\end{verbatim}
|
|
Note, that for \ind{jabberd 1.4}jabberd 1.4- or \ind{WPJabber}WPJabber-based
|
|
services you have to make the transports log and do \ind{XDB}XDB by themselves:
|
|
\begin{verbatim}
|
|
<!--
|
|
You have to add elogger and rlogger entries here when using ejabberd.
|
|
In this case the transport will do the logging.
|
|
-->
|
|
|
|
<log id='logger'>
|
|
<host/>
|
|
<logtype/>
|
|
<format>%d: [%t] (%h): %s</format>
|
|
<file>/var/log/jabber/service.log</file>
|
|
</log>
|
|
|
|
<!--
|
|
Some Jabber server implementations do not provide
|
|
XDB services (for example, jabberd2 and ejabberd).
|
|
xdb_file.so is loaded in to handle all XDB requests.
|
|
-->
|
|
|
|
<xdb id="xdb">
|
|
<host/>
|
|
<load>
|
|
<!-- this is a lib of wpjabber or jabberd -->
|
|
<xdb_file>/usr/lib/jabber/xdb_file.so</xdb_file>
|
|
</load>
|
|
<xdb_file xmlns="jabber:config:xdb_file">
|
|
<spool><jabberd:cmdline flag='s'>/var/spool/jabber</jabberd:cmdline></spool>
|
|
</xdb_file>
|
|
</xdb>
|
|
\end{verbatim}
|
|
|
|
\subsection{\aname{auth}{Authentication}}
|
|
\label{sec:auth}
|
|
\ind{authentication}\ind{options!auth\_method}
|
|
|
|
The option \option{auth\_method} defines the authentication method that is used
|
|
for user authentication:
|
|
\begin{verbatim}
|
|
{auth_method, [<method>]}.
|
|
\end{verbatim}
|
|
|
|
The following authentication methods are supported by \ejabberd{}:
|
|
\begin{itemize}
|
|
\item internal (default) --- See section~\ref{sec:internalauth}.
|
|
\item external --- There are \footahref{http://ejabberd.jabber.ru/extauth}{some
|
|
example authentication scripts}.
|
|
\item ldap --- See section~\ref{sec:ldap}.
|
|
\item odbc --- See section~\ref{sec:mysql}, \ref{sec:pgsql},
|
|
\ref{sec:mssql} and \ref{sec:odbc}.
|
|
\item anonymous --- See section~\ref{sec:saslanonymous}.
|
|
\end{itemize}
|
|
|
|
\subsubsection{\aname{internalauth}{Internal}}
|
|
\label{sec:internalauth}
|
|
\ind{internal authentication}\ind{Mnesia}
|
|
|
|
\ejabberd{} uses its internal Mnesia database as the default authentication method.
|
|
|
|
\begin{itemize}
|
|
\item \term{auth\_method}: The value \term{internal} will enable the internal
|
|
authentication method.
|
|
\end{itemize}
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item To use internal authentication on \jid{example.org} and LDAP
|
|
authentication on \jid{example.net}:
|
|
\begin{verbatim}
|
|
{host_config, "example.org", [{auth_method, [internal]}]}.
|
|
{host_config, "example.net", [{auth_method, [ldap]}]}.
|
|
\end{verbatim}
|
|
\item To use internal authentication on all virtual hosts:
|
|
\begin{verbatim}
|
|
{auth_method, internal}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsubsection{\aname{saslanonymous}{SASL Anonymous and Anonymous Login}}
|
|
\label{sec:saslanonymous}
|
|
\ind{sasl anonymous}\ind{anonymous login}
|
|
|
|
%TODO: introduction; tell what people can do with this
|
|
The anonymous authentication method can be configured with the following
|
|
options. Remember that you can use the \term{host\_config} option to set virtual
|
|
host specific options (see section~\ref{sec:virtualhost}). Note that there also
|
|
is a detailed tutorial regarding \footahref{http://support.process-one.net/doc/display/MESSENGER/Anonymous+users+support}{SASL
|
|
Anonymous and anonymous login configuration}.
|
|
|
|
\begin{itemize}
|
|
\item \term{auth\_method}: The value \term{anonymous} will enable the anonymous
|
|
authentication method.
|
|
\item \term{allow\_multiple\_connections}: This value for this option can be
|
|
either \term{true} or \term{false} and is only used when the anonymous mode is
|
|
enabled. Setting it to \term{true} means that the same username can be taken
|
|
multiple times in anonymous login mode if different resource are used to
|
|
connect. This option is only useful in very special occasions. The default
|
|
value is \term{false}.
|
|
\item \term{anonymous\_protocol}: This option can take three values:
|
|
\term{sasl\_anon}, \term{login\_anon} or \term{both}. \term{sasl\_anon} means
|
|
that the SASL Anonymous method will be used. \term{login\_anon} means that the
|
|
anonymous login method will be used. \term{both} means that SASL Anonymous and
|
|
login anonymous are both enabled.
|
|
\end{itemize}
|
|
|
|
Those options are defined for each virtual host with the \term{host\_config}
|
|
parameter (see section~\ref{sec:virtualhost}).
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item To enable anonymous login on all virtual hosts:
|
|
\begin{verbatim}
|
|
{auth_method, [anonymous]}.
|
|
{anonymous_protocol, login_anon}.
|
|
\end{verbatim}
|
|
\item Similar as previous example, but limited to \jid{public.example.org}:
|
|
\begin{verbatim}
|
|
{host_config, "public.example.org", [{auth_method, [anonymous]},
|
|
{anonymous_protocol, login_anon}]}.
|
|
\end{verbatim}
|
|
\item To enable anonymous login and internal authentication on a virtual host:
|
|
\begin{verbatim}
|
|
{host_config, "public.example.org", [{auth_method, [anonymous,internal]},
|
|
{anonymous_protocol, login_anon}]}.
|
|
\end{verbatim}
|
|
\item To enable SASL Anonymous on a virtual host:
|
|
\begin{verbatim}
|
|
{host_config, "public.example.org", [{auth_method, [anonymous]},
|
|
{anonymous_protocol, sasl_anon}]}.
|
|
\end{verbatim}
|
|
\item To enable SASL Anonymous and anonymous login on a virtual host:
|
|
\begin{verbatim}
|
|
{host_config, "public.example.org", [{auth_method, [anonymous]},
|
|
{anonymous_protocol, both}]}.
|
|
\end{verbatim}
|
|
\item To enable SASL Anonymous, anonymous login, and internal authentication on
|
|
a virtual host:
|
|
\begin{verbatim}
|
|
{host_config, "public.example.org", [{auth_method, [anonymous,internal]},
|
|
{anonymous_protocol, both}]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{accessrules}{Access Rules}}
|
|
\label{sec:accessrules}
|
|
\ind{options!acl}\ind{access rules}\ind{ACL}\ind{Access Control List}
|
|
|
|
Access control in \ejabberd{} is performed via Access Control Lists (ACLs). The
|
|
declarations of ACLs in the configuration file have the following syntax:
|
|
\begin{verbatim}
|
|
{acl, <aclname>, {<acltype>, ...}}.
|
|
\end{verbatim}
|
|
|
|
\term{<acltype>} can be one of the following:
|
|
\begin{description}
|
|
\titem{all} Matches all JIDs. Example:
|
|
\begin{verbatim}
|
|
{acl, all, all}.
|
|
\end{verbatim}
|
|
\titem{\{user, <username>\}} Matches the user with the name
|
|
\term{<username>} at the first virtual host. Example:
|
|
\begin{verbatim}
|
|
{acl, admin, {user, "yozhik"}}.
|
|
\end{verbatim}
|
|
\titem{\{user, <username>, <server>\}} Matches the user with the JID
|
|
\term{<username>@<server>} and any resource. Example:
|
|
\begin{verbatim}
|
|
{acl, admin, {user, "yozhik", "example.org"}}.
|
|
\end{verbatim}
|
|
\titem{\{server, <server>\}} Matches any JID from server
|
|
\term{<server>}. Example:
|
|
\begin{verbatim}
|
|
{acl, exampleorg, {server, "example.org"}}.
|
|
\end{verbatim}
|
|
\titem{\{user\_regexp, <regexp>\}} Matches any local user with a name that
|
|
matches \term{<regexp>} at the first virtual host. Example:
|
|
\begin{verbatim}
|
|
{acl, tests, {user, "^test[0-9]*$"}}.
|
|
\end{verbatim}
|
|
%$
|
|
\titem{\{user\_regexp, <regexp>, <server>\}} Matches any user with a name
|
|
that matches \term{<regexp>} at server \term{<server>}. Example:
|
|
\begin{verbatim}
|
|
{acl, tests, {user, "^test", "example.org"}}.
|
|
\end{verbatim}
|
|
\titem{\{server\_regexp, <regexp>\}} Matches any JID from the server that
|
|
matches \term{<regexp>}. Example:
|
|
\begin{verbatim}
|
|
{acl, icq, {server, "^icq\\."}}.
|
|
\end{verbatim}
|
|
\titem{\{node\_regexp, <user\_regexp>, <server\_regexp>\}} Matches any user
|
|
with a name that matches \term{<user\_regexp>} at any server that matches
|
|
\term{<server\_regexp>}. Example:
|
|
\begin{verbatim}
|
|
{acl, yohzik, {node_regexp, "^yohzik$", "^example.(com|org)$"}}.
|
|
\end{verbatim}
|
|
\titem{\{user\_glob, <glob>\}}
|
|
\titem{\{user\_glob, <glob>, <server>\}}
|
|
\titem{\{server\_glob, <glob>\}}
|
|
\titem{\{node\_glob, <user\_glob>, <server\_glob>\}} This is the same as
|
|
above. However, it uses shell glob patterns instead of regexp. These patterns
|
|
can have the following special characters:
|
|
\begin{description}
|
|
\titem{*} matches any string including the null string.
|
|
\titem{?} matches any single character.
|
|
\titem{[...]} matches any of the enclosed characters. Character
|
|
ranges are specified by a pair of characters separated by a \term{`-'}.
|
|
If the first character after \term{`['} is a \term{`!'}, any
|
|
character not enclosed is matched.
|
|
\end{description}
|
|
\end{description}
|
|
|
|
The following ACLs are pre-defined:
|
|
\begin{description}
|
|
\titem{all} Matches any JID.
|
|
\titem{none} Matches no JID.
|
|
\end{description}
|
|
|
|
An entry allowing or denying access to different services looks similar to
|
|
this:
|
|
\begin{verbatim}
|
|
{access, <accessname>, [{allow, <aclname>},
|
|
{deny, <aclname>},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
When a JID is checked to have access to \term{<accessname>}, the server
|
|
sequentially checks if that JID mathes any of the ACLs that are named in the
|
|
second elements of the tuples in the list. If it matches, the first element of
|
|
the first matched tuple is returned, otherwise the value `\term{deny}' is
|
|
returned.
|
|
|
|
Example:
|
|
\begin{verbatim}
|
|
{access, configure, [{allow, admin}]}.
|
|
{access, something, [{deny, badmans},
|
|
{allow, all}]}.
|
|
\end{verbatim}
|
|
|
|
The following access rules are pre-defined:
|
|
\begin{description}
|
|
\titem{all} Always returns the value `\term{allow}'.
|
|
\titem{none} Always returns the value `\term{deny}'.
|
|
\end{description}
|
|
|
|
\subsection{\aname{shapers}{Shapers}}
|
|
\label{sec:shapers}
|
|
\ind{options!shaper}\ind{options!maxrate}\ind{shapers}\ind{maxrate}\ind{traffic speed}
|
|
|
|
Shapers enable you to limit connection traffic. The syntax of
|
|
shapers is like this:
|
|
\begin{verbatim}
|
|
{shaper, <shapername>, <kind>}.
|
|
\end{verbatim}
|
|
Currently only one kind of shaper called \term{maxrate} is available. It has the
|
|
following syntax:
|
|
\begin{verbatim}
|
|
{maxrate, <rate>}
|
|
\end{verbatim}
|
|
where \term{<rate>} stands for the maximum allowed incomig rate in bytes per
|
|
second.
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item To define a shaper named `\term{normal}' with traffic speed limited to
|
|
1,000\,bytes/second:
|
|
\begin{verbatim}
|
|
{shaper, normal, {maxrate, 1000}}.
|
|
\end{verbatim}
|
|
\item To define a shaper named `\term{fast}' with traffic speed limited to
|
|
50,000\,bytes/second:
|
|
\begin{verbatim}
|
|
{shaper, fast, {maxrate, 50000}}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{Limiting Opened Sessions}
|
|
\label{sec:configmaxsessions}
|
|
\ind{options!max\_user\_sessions}
|
|
|
|
This option specifies the maximum number of sessions (authenticated
|
|
connections) per user. If a user tries to open more sessions by using different
|
|
resources, the first opened session will be disconnected. The error
|
|
\term{session replaced} will be sent to the disconnected session. The value
|
|
for this option can be either a number, or \term{infinity}. The default
|
|
value is \term{10}.
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item To limit the number of sessions per user to 10 on all virtual
|
|
hosts:
|
|
\begin{verbatim}
|
|
{max_user_sessions, 10}.
|
|
\end{verbatim}
|
|
\item This option can be defined per virtual host (see
|
|
section~\ref{sec:virtualhost}). In next example the number of
|
|
sessions per user on the first host is six, while there is no limit on the
|
|
second host:
|
|
\begin{verbatim}
|
|
{host_config, "example.net", [{max_user_sessions, 6}]}.
|
|
{host_config, "example.com", [{max_user_sessions, infinity}]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{language}{Default Language}}
|
|
\label{sec:language}
|
|
\ind{options!language}\ind{language}
|
|
|
|
The option \option{language} defines the default language of server strings that
|
|
can be seen by \Jabber{} clients. If a \Jabber{} client do not support
|
|
\option{xml:lang}, the specified language is used. The default value is
|
|
\term{en}. In order to take effect there must be a translation file
|
|
\term{<language>.msg} in \ejabberd{}'s \term{msgs} directory.
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item To set Russian as default language:
|
|
\begin{verbatim}
|
|
{language, "ru"}.
|
|
\end{verbatim}
|
|
\item To set Spanish as default language:
|
|
\begin{verbatim}
|
|
{language, "es"}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
|
|
\section{\aname{database}{Database Configuration}}
|
|
\label{sec:database}
|
|
\ind{database}
|
|
%TODO: this whole section is not yet 100% optimized
|
|
|
|
\ejabberd{} uses its internal Mnesia database by default. However, it is
|
|
possible to use a relational database or an LDAP server to store persistant,
|
|
long-living data. \ejabberd{} is very flexible: you can configure different
|
|
authentication methods for different virtual hosts, you can configure different
|
|
authentication mechanisms for the same virtual host (fallback), you can set
|
|
different storage systems for modules, and so forth.
|
|
|
|
The following databases are supported by \ejabberd{}:
|
|
\begin{itemize}
|
|
\item \footahref{http://www.microsoft.com/sql/}{Microsoft SQL Server}
|
|
\item \footahref{http://www.erlang.org/doc/doc-5.5.1/lib/mnesia-4.3.2/doc/}{Mnesia}
|
|
\item \footahref{http://mysql.com/}{MySQL}
|
|
\item \footahref{http://en.wikipedia.org/wiki/Open\_Database\_Connectivity}{Any ODBC compatible database}
|
|
\item \footahref{http://www.postgresql.org/}{PostgreSQL}
|
|
\end{itemize}
|
|
|
|
The following LDAP servers are tested with \ejabberd{}:
|
|
\begin{itemize}
|
|
\item \footahref{http://www.microsoft.com/activedirectory/}{Active Directory}
|
|
(see section~\ref{sec:ad})
|
|
\item \footahref{http://www.openldap.org/}{OpenLDAP}
|
|
\item Normally any LDAP compatible server should work; inform us about your
|
|
success with a not-listed server so that we can list it here.
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{mysql}{MySQL}}
|
|
\label{sec:mysql}
|
|
\ind{MySQL}\ind{MySQL!schema}
|
|
|
|
Although this section will describe \ejabberd{}'s configuration when you want to
|
|
use the native MySQL driver, it does not describe MySQL's installation and
|
|
database creation. Check the MySQL documentation and the tutorial \footahref{http://support.process-one.net/doc/display/MESSENGER/Using+ejabberd+with+MySQL+native+driver}{Using ejabberd with MySQL native driver} for information regarding these topics.
|
|
Note that the tutorial contains information about \ejabberd{}'s configuration
|
|
which is duplicate to this section.
|
|
|
|
Moreover, the file mysql.sql in the directory src/odbc might be interesting for
|
|
you. This file contains the ejabberd schema for MySQL. At the end of the file
|
|
you can find information to update your database schema.
|
|
|
|
\subsubsection{\aname{compilemysql}{Driver Compilation}}
|
|
\label{sec:compilemysql}
|
|
\ind{MySQL!Driver Compilation}
|
|
|
|
You can skip this step if you installed \ejabberd{} using a binary installer or
|
|
if the binary packages of \ejabberd{} you are using include support for MySQL.
|
|
|
|
\begin{enumerate}
|
|
\item First, install the \footahref{http://support.process-one.net/doc/display/CONTRIBS/Yxa}{Erlang
|
|
MySQL library}. Make sure the compiled files are in your Erlang path; you can
|
|
put them for example in the same directory as your ejabberd .beam files.
|
|
\item Then, configure and install \ejabberd{} with ODBC support enabled (this is
|
|
also needed for native MySQL support!). This can be done, by using next
|
|
commands:
|
|
\begin{verbatim}
|
|
./configure --enable-odbc && make install
|
|
\end{verbatim}
|
|
\end{enumerate}
|
|
|
|
\subsubsection{\aname{mysqlauth}{Authentication}}
|
|
\label{sec:mysqlauth}
|
|
\ind{MySQL!authentication}
|
|
|
|
The option value name may be misleading, as the \term{auth\_method} name is used
|
|
for access to a relational database through ODBC, as well as through the native
|
|
MySQL interface. Anyway, the first configuration step is to define the odbc
|
|
\term{auth\_method}. For example:
|
|
\begin{verbatim}
|
|
{host_config, "public.example.org", [{auth_method, [odbc]}]}.
|
|
\end{verbatim}
|
|
|
|
The actual database access is defined in the option \term{odbc\_server}. Its
|
|
value is used to define if we want to use ODBC, or one of the two native
|
|
interface available, PostgreSQL or MySQL.
|
|
|
|
To use the native MySQL interface, you can pass a tuple of the following form as
|
|
parameter:
|
|
\begin{verbatim}
|
|
{mysql, "Server", "Database", "Username", "Password"}
|
|
\end{verbatim}
|
|
|
|
\term{mysql} is a keyword that should be kept as is. For example:
|
|
\begin{verbatim}
|
|
{odbc_server, {mysql, "localhost", "test", "root", "password"}}.
|
|
\end{verbatim}
|
|
|
|
\subsubsection{\aname{mysqlstorage}{Storage}}
|
|
\label{sec:mysqlstorage}
|
|
\ind{MySQL!storage}
|
|
|
|
MySQL also can be used to store information into from several \ejabberd{}
|
|
modules. See section~\ref{sec:modoverview} to see which modules have a version
|
|
with the `\_odbc'. This suffix indicates that the module can be used with
|
|
relational databases like MySQL. To enable storage to your database, just make
|
|
sure that your database is running well (see previous sections), and replace the
|
|
suffix-less or ldap module variant with the odbc module variant. Keep in mind
|
|
that you cannot have several variants of the same module loaded!
|
|
|
|
\subsection{\aname{mssql}{Microsoft SQL Server}}
|
|
\label{sec:mssql}
|
|
\ind{Microsoft SQL Server}\ind{Microsoft SQL Server!schema}
|
|
|
|
Although this section will describe \ejabberd{}'s configuration when you want to
|
|
use Microsoft SQL Server, it does not describe Microsoft SQL Server's
|
|
installation and database creation. Check the MySQL documentation and the
|
|
tutorial \footahref{http://support.process-one.net/doc/display/MESSENGER/Using+ejabberd+with+MySQL+native+driver}{Using ejabberd with MySQL native driver} for information regarding these topics.
|
|
Note that the tutorial contains information about \ejabberd{}'s configuration
|
|
which is duplicate to this section.
|
|
|
|
Moreover, the file mssql.sql in the directory src/odbc might be interesting for
|
|
you. This file contains the ejabberd schema for Microsoft SQL Server. At the end
|
|
of the file you can find information to update your database schema.
|
|
|
|
\subsubsection{\aname{compilemssql}{Driver Compilation}}
|
|
\label{sec:compilemssql}
|
|
\ind{Microsoft SQL Server!Driver Compilation}
|
|
|
|
You can skip this step if you installed \ejabberd{} using a binary installer or
|
|
if the binary packages of \ejabberd{} you are using include support for ODBC.
|
|
|
|
If you want to use Microsoft SQL Server with ODBC, you need to configure,
|
|
compile and install \ejabberd{} with support for ODBC and Microsoft SQL Server
|
|
enabled. This can be done, by using next commands:
|
|
\begin{verbatim}
|
|
./configure --enable-odbc --enable-mssql && make install
|
|
\end{verbatim}
|
|
|
|
\subsubsection{\aname{mssqlauth}{Authentication}}
|
|
\label{sec:mssqlauth}
|
|
\ind{Microsoft SQL Server!authentication}
|
|
|
|
%TODO: not sure if this section is right!!!!!!
|
|
|
|
The configuration of Microsoft SQL Server is the same as the configuration of
|
|
ODBC compatible serers (see section~\ref{sec:odbcauth}).
|
|
|
|
\subsubsection{\aname{mssqlstorage}{Storage}}
|
|
\label{sec:mssqlstorage}
|
|
\ind{Microsoft SQL Server!storage}
|
|
|
|
Microsoft SQL Server also can be used to store information into from several
|
|
\ejabberd{} modules. See section~\ref{sec:modoverview} to see which modules have
|
|
a version with the `\_odbc'. This suffix indicates that the module can be used
|
|
with relational databases like Microsoft SQL Server. To enable storage to your
|
|
database, just make sure that your database is running well (see previous
|
|
sections), and replace the suffix-less or ldap module variant with the odbc
|
|
module variant. Keep in mind that you cannot have several variants of the same
|
|
module loaded!
|
|
|
|
\subsection{\aname{pgsql}{PostgreSQL}}
|
|
\label{sec:pgsql}
|
|
\ind{PostgreSQL}\ind{PostgreSQL!schema}
|
|
|
|
Although this section will describe \ejabberd{}'s configuration when you want to
|
|
use the native PostgreSQL driver, it does not describe PostgreSQL's installation
|
|
and database creation. Check the PostgreSQL documentation and the tutorial \footahref{http://support.process-one.net/doc/display/MESSENGER/Using+ejabberd+with+MySQL+native+driver}{Using ejabberd with MySQL native driver} for information regarding these topics.
|
|
Note that the tutorial contains information about \ejabberd{}'s configuration
|
|
which is duplicate to this section.
|
|
|
|
Also the file pg.sql in the directory src/odbc might be interesting for you.
|
|
This file contains the ejabberd schema for PostgreSQL. At the end of the file
|
|
you can find information to update your database schema.
|
|
|
|
\subsubsection{\aname{compilepgsql}{Driver Compilation}}
|
|
\label{sec:compilepgsql}
|
|
\ind{PostgreSQL!Driver Compilation}
|
|
|
|
You can skip this step if you installed \ejabberd{} using a binary installer or
|
|
if the binary packages of \ejabberd{} you are using include support for
|
|
PostgreSQL.
|
|
|
|
\begin{enumerate}
|
|
\item First, install the Erlang PgSQL library from
|
|
\footahref{http://jungerl.sourceforge.net/}{Jungerl}. Make sure the compiled
|
|
files are in your Erlang path; you can put them for example in the same
|
|
directory as your ejabberd .beam files.
|
|
\item Then, configure, compile and install \ejabberd{} with ODBC support enabled
|
|
(this is also needed for native PostgreSQL support!). This can be done, by
|
|
using next commands:
|
|
\begin{verbatim}
|
|
./configure --enable-odbc && make install
|
|
\end{verbatim}
|
|
\end{enumerate}
|
|
|
|
\subsubsection{\aname{pgsqlauth}{Authentication}}
|
|
\label{sec:pgsqlauth}
|
|
\ind{PostgreSQL!authentication}
|
|
|
|
The option value name may be misleading, as the \term{auth\_method} name is used
|
|
for access to a relational database through ODBC, as well as through the native
|
|
PostgreSQL interface. Anyway, the first configuration step is to define the odbc
|
|
\term{auth\_method}. For example:
|
|
\begin{verbatim}
|
|
{host_config, "public.example.org", [{auth_method, [odbc]}]}.
|
|
\end{verbatim}
|
|
|
|
The actual database access is defined in the option \term{odbc\_server}. Its
|
|
value is used to define if we want to use ODBC, or one of the two native
|
|
interface available, PostgreSQL or MySQL.
|
|
|
|
To use the native PostgreSQL interface, you can pass a tuple of the following
|
|
form as parameter:
|
|
\begin{verbatim}
|
|
{pgsql, "Server", "Database", "Username", "Password"}
|
|
\end{verbatim}
|
|
|
|
\term{pgsql} is a keyword that should be kept as is. For example:
|
|
\begin{verbatim}
|
|
{odbc_server, {pgsql, "localhost", "database", "ejabberd", "password"}}.
|
|
\end{verbatim}
|
|
|
|
\subsubsection{\aname{pgsqlstorage}{Storage}}
|
|
\label{sec:pgsqlstorage}
|
|
\ind{PostgreSQL!storage}
|
|
|
|
PostgreSQL also can be used to store information into from several \ejabberd{}
|
|
modules. See section~\ref{sec:modoverview} to see which modules have a version
|
|
with the `\_odbc'. This suffix indicates that the module can be used with
|
|
relational databases like PostgreSQL. To enable storage to your database, just
|
|
make sure that your database is running well (see previous sections), and
|
|
replace the suffix-less or ldap module variant with the odbc module variant.
|
|
Keep in mind that you cannot have several variants of the same module loaded!
|
|
|
|
\subsection{\aname{odbc}{ODBC Compatible}}
|
|
\label{sec:odbc}
|
|
\ind{databases!ODBC}
|
|
|
|
Although this section will describe \ejabberd{}'s configuration when you want to
|
|
use the ODBC driver, it does not describe the installation and database creation
|
|
of your database. Check the documentation of your database. The tutorial \footahref{http://support.process-one.net/doc/display/MESSENGER/Using+ejabberd+with+MySQL+native+driver}{Using ejabberd with MySQL native driver} also can help you. Note that the tutorial
|
|
contains information about \ejabberd{}'s configuration which is duplicate to
|
|
this section.
|
|
|
|
\subsubsection{\aname{compileodbc}{Compilation}}
|
|
\label{sec:compileodbc}
|
|
|
|
You can skip this step if you installed \ejabberd{} using a binary installer or
|
|
if the binary packages of \ejabberd{} you are using include support for
|
|
ODBC.
|
|
|
|
\begin{enumerate}
|
|
\item First, install the \footahref{http://support.process-one.net/doc/display/CONTRIBS/Yxa}{Erlang
|
|
MySQL library}. Make sure the compiled files are in your Erlang path; you can
|
|
put them for example in the same directory as your ejabberd .beam files.
|
|
\item Then, configure, compile and install \ejabberd{} with ODBC support
|
|
enabled. This can be done, by using next commands:
|
|
\begin{verbatim}
|
|
./configure --enable-odbc && make install
|
|
\end{verbatim}
|
|
\end{enumerate}
|
|
|
|
\subsubsection{\aname{odbcauth}{Authentication}}
|
|
\label{sec:odbcauth}
|
|
\ind{ODBC!authentication}
|
|
|
|
The first configuration step is to define the odbc \term{auth\_method}. For
|
|
example:
|
|
\begin{verbatim}
|
|
{host_config, "public.example.org", [{auth_method, [odbc]}]}.
|
|
\end{verbatim}
|
|
|
|
The actual database access is defined in the option \term{odbc\_server}. Its
|
|
value is used to defined if we want to use ODBC, or one of the two native
|
|
interface available, PostgreSQL or MySQL.
|
|
|
|
To use a relational database through ODBC, you can pass the ODBC connection
|
|
string as \term{odbc\_server} parameter. For example:
|
|
\begin{verbatim}
|
|
{odbc_server, "DSN=database;UID=ejabberd;PWD=password"}.
|
|
\end{verbatim}
|
|
|
|
\subsubsection{\aname{odbcstorage}{Storage}}
|
|
\label{sec:odbcstorage}
|
|
\ind{ODBC!storage}
|
|
|
|
An ODBC compatible database also can be used to store information into from
|
|
several \ejabberd{} modules. See section~\ref{sec:modoverview} to see which
|
|
modules have a version with the `\_odbc'. This suffix indicates that the module
|
|
can be used with ODBC compatible relational databases. To enable storage to your
|
|
database, just make sure that your database is running well (see previous
|
|
sections), and replace the suffix-less or ldap module variant with the odbc
|
|
module variant. Keep in mind that you cannot have several variants of the same
|
|
module loaded!
|
|
|
|
\subsection{\aname{ldap}{LDAP}}
|
|
\label{sec:ldap}
|
|
\ind{databases!LDAP}
|
|
|
|
\ejabberd{} has built-in LDAP support. You can authenticate users against LDAP
|
|
server and use LDAP directory as vCard storage. Shared rosters are not supported
|
|
yet.
|
|
|
|
\subsubsection{\aname{ldapconnection}{Connection}}
|
|
\label{sec:ldapconnection}
|
|
|
|
Parameters:
|
|
\begin{description}
|
|
\titem{ldap\_server} \ind{options!ldap\_server}IP address or dns name of your
|
|
LDAP server. This option is required.
|
|
\titem{ldap\_port} \ind{options!ldap\_port}Port to connect to your LDAP server.
|
|
The default value is~389.
|
|
\titem{ldap\_rootdn} \ind{options!ldap\_rootdn}Bind DN. The default value
|
|
is~\term{""} which means `anonymous connection'.
|
|
\titem{ldap\_password} \ind{options!ldap\_password}Bind password. The default
|
|
value is \term{""}.
|
|
\end{description}
|
|
|
|
Example:
|
|
\begin{verbatim}
|
|
{auth_method, ldap}.
|
|
{ldap_servers, ["ldap.example.org"]}.
|
|
{ldap_port, 389}.
|
|
{ldap_rootdn, "cn=Manager,dc=domain,dc=org"}.
|
|
{ldap_password, "secret"}.
|
|
\end{verbatim}
|
|
|
|
Note that current LDAP implementation does not support SSL secured communication
|
|
and SASL authentication.
|
|
|
|
\subsubsection{\aname{ldapauth}{Authentication}}
|
|
\label{sec:ldapauth}
|
|
|
|
You can authenticate users against an LDAP directory. Available options are:
|
|
|
|
\begin{description}
|
|
\titem{ldap\_base}\ind{options!ldap\_base}LDAP base directory which stores users
|
|
accounts. This option is required.
|
|
\titem{ldap\_uidattr}\ind{options!ldap\_uidattr}LDAP attribute which holds
|
|
the user's part of a JID. The default value is \term{"uid"}.
|
|
\titem{ldap\_uidattr\_format}\ind{options!ldap\_uidattr\_format}Format of the
|
|
\term{ldap\_uidattr} variable. The format \emph{must} contain one and only one
|
|
pattern variable \term{"\%u"} which will be replaced by the user's part of a
|
|
JID. For example, \term{"\%u@example.org"}. The default value is \term{"\%u"}.
|
|
\titem{ldap\_filter}\ind{options!ldap\_filter}\ind{protocols!RFC 2254: The String Representation of LDAP Search Filters}
|
|
\footahref{http://www.faqs.org/rfcs/rfc2254.html}{RFC 2254} LDAP filter. The
|
|
default is \term{none}. Example:
|
|
\term{"(\&(objectClass=shadowAccount)(memberOf=Jabber Users))"}. Please, do
|
|
not forget to close brackets and do not use superfluous whitespaces. Also you
|
|
\emph{must not} use \option{ldap\_uidattr} attribute in filter because this
|
|
attribute will be substituted in LDAP filter automatically.
|
|
\end{description}
|
|
|
|
\subsubsection{\aname{ldapexamples}{Examples}}
|
|
\label{sec:ldapexamples}
|
|
|
|
\paragraph{\aname{ldapcommonexample}{Common example}}
|
|
|
|
Let's say \term{ldap.example.org} is the name of our LDAP server. We have
|
|
users with their passwords in \term{"ou=Users,dc=example,dc=org"} directory.
|
|
Also we have addressbook, which contains users emails and their additional
|
|
infos in \term{"ou=AddressBook,dc=example,dc=org"} directory. Corresponding
|
|
authentication section should looks like this:
|
|
|
|
\begin{verbatim}
|
|
%% authentication method
|
|
{auth_method, ldap}.
|
|
%% DNS name of our LDAP server
|
|
{ldap_servers, ["ldap.example.org"]}.
|
|
%% Bind to LDAP server as "cn=Manager,dc=example,dc=org" with password "secret"
|
|
{ldap_rootdn, "cn=Manager,dc=example,dc=org"}.
|
|
{ldap_password, "secret"}.
|
|
%% define the user's base
|
|
{ldap_base, "ou=Users,dc=example,dc=org"}.
|
|
%% We want to authorize users from 'shadowAccount' object class only
|
|
{ldap_filter, "(objectClass=shadowAccount)"}.
|
|
\end{verbatim}
|
|
|
|
Now we want to use users LDAP-info as their vCards. We have four attributes
|
|
defined in our LDAP schema: \term{"mail"} --- email address, \term{"givenName"}
|
|
--- first name, \term{"sn"} --- second name, \term{"birthDay"} --- birthday.
|
|
Also we want users to search each other. Let's see how we can set it up:
|
|
|
|
\begin{verbatim}
|
|
{modules,
|
|
...
|
|
{mod_vcard_ldap,
|
|
[
|
|
%% We use the same server and port, but want to bind anonymously because
|
|
%% our LDAP server accepts anonymous requests to
|
|
%% "ou=AddressBook,dc=example,dc=org" subtree.
|
|
{ldap_rootdn, ""},
|
|
{ldap_password, ""},
|
|
%% define the addressbook's base
|
|
{ldap_base, "ou=AddressBook,dc=example,dc=org"},
|
|
%% user's part of JID is located in the "mail" attribute
|
|
{ldap_uidattr, "mail"},
|
|
%% common format for our emails
|
|
{ldap_uidattr_format, "%u@mail.example.org"},
|
|
%% We have to define empty filter here, because entries in addressbook does not
|
|
%% belong to shadowAccount object class
|
|
{ldap_filter, ""},
|
|
%% Now we want to define vCard pattern
|
|
{ldap_vcard_map,
|
|
[{"NICKNAME", "%u", []}, % just use user's part of JID as his nickname
|
|
{"GIVEN", "%s", ["givenName"]},
|
|
{"FAMILY", "%s", ["sn"]},
|
|
{"FN", "%s, %s", ["sn", "givenName"]}, % example: "Smith, John"
|
|
{"EMAIL", "%s", ["mail"]},
|
|
{"BDAY", "%s", ["birthDay"]}]},
|
|
%% Search form
|
|
{ldap_search_fields,
|
|
[{"User", "%u"},
|
|
{"Name", "givenName"},
|
|
{"Family Name", "sn"},
|
|
{"Email", "mail"},
|
|
{"Birthday", "birthDay"}]},
|
|
%% vCard fields to be reported
|
|
%% Note that JID is always returned with search results
|
|
{ldap_search_reported,
|
|
[{"Full Name", "FN"},
|
|
{"Nickname", "NICKNAME"},
|
|
{"Birthday", "BDAY"}]}
|
|
]}
|
|
...
|
|
}.
|
|
\end{verbatim}
|
|
|
|
Note that \modvcardldap{} module checks for the existence of the user before
|
|
searching in his information in LDAP.
|
|
|
|
|
|
\paragraph{\aname{ad}{Active Directory}}
|
|
\label{sec:ad}
|
|
\ind{databases!Active Directory}
|
|
|
|
Active Directory is just an LDAP-server with predefined attributes. A sample
|
|
configuration is showed below:
|
|
|
|
\begin{verbatim}
|
|
{auth_method, ldap}.
|
|
{ldap_servers, ["office.org"]}. % List of LDAP servers
|
|
{ldap_base, "DC=office,DC=org"}. % Search base of LDAP directory
|
|
{ldap_rootdn, "CN=Administrator,CN=Users,DC=office,DC=org"}. % LDAP manager
|
|
{ldap_password, "*******"}. % Password to LDAP manager
|
|
{ldap_uidattr, "sAMAccountName"}.
|
|
{ldap_filter, "(memberOf=*)"}.
|
|
|
|
{mod_vcard_ldap,
|
|
[{ldap_vcard_map,
|
|
[{"NICKNAME", "%u", []},
|
|
{"GIVEN", "%s", ["givenName"]},
|
|
{"MIDDLE", "%s", ["initials"]},
|
|
{"FAMILY", "%s", ["sn"]},
|
|
{"FN", "%s", ["displayName"]},
|
|
{"EMAIL", "%s", ["mail"]},
|
|
{"ORGNAME", "%s", ["company"]},
|
|
{"ORGUNIT", "%s", ["department"]},
|
|
{"CTRY", "%s", ["c"]},
|
|
{"LOCALITY", "%s", ["l"]},
|
|
{"STREET", "%s", ["streetAddress"]},
|
|
{"REGION", "%s", ["st"]},
|
|
{"PCODE", "%s", ["postalCode"]},
|
|
{"TITLE", "%s", ["title"]},
|
|
{"URL", "%s", ["wWWHomePage"]},
|
|
{"DESC", "%s", ["description"]},
|
|
{"TEL", "%s", ["telephoneNumber"]}]},
|
|
{ldap_search_fields,
|
|
[{"User", "%u"},
|
|
{"Name", "givenName"},
|
|
{"Family Name", "sn"},
|
|
{"Email", "mail"},
|
|
{"Company", "company"},
|
|
{"Department", "department"},
|
|
{"Role", "title"},
|
|
{"Description", "description"},
|
|
{"Phone", "telephoneNumber"}]},
|
|
{ldap_search_reported,
|
|
[{"Full Name", "FN"},
|
|
{"Nickname", "NICKNAME"},
|
|
{"Email", "EMAIL"}]}
|
|
]
|
|
}.
|
|
\end{verbatim}
|
|
|
|
|
|
\section{\aname{modules}{Modules Configuration}}
|
|
\label{sec:modules}
|
|
\ind{modules}
|
|
|
|
The option \term{modules} defines the list of modules that will be loaded after
|
|
\ejabberd{}'s startup. Each entry in the list is a tuple in which the first
|
|
element is the name of a module and the second is a list of options for that
|
|
module.
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item In this example only the module \modecho{} is loaded and no module
|
|
options are specified between the square brackets:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[{mod_echo, []}
|
|
]}.
|
|
\end{verbatim}
|
|
\item In the second example the modules \modecho{}, \modtime{}, and
|
|
\modversion{} are loaded without options. Remark that, besides the last entry,
|
|
all entries end with a comma:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[{mod_echo, []},
|
|
{mod_time, []},
|
|
{mod_version, []}
|
|
]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modoverview}{Overview}}
|
|
\label{sec:modoverview}
|
|
\ind{modules!overview}\ind{XMPP compliancy}
|
|
|
|
The following table lists all modules available in the official \ejabberd{}
|
|
distribution. You can find more
|
|
\footahref{http://ejabberd.jabber.ru/contributions}{contributed modules} on the
|
|
\ejabberd{} website. Please remember that these contributions might not work or
|
|
that they can contain severe bugs and security leaks. Therefore, use them at
|
|
your own risk!
|
|
|
|
You can see which database backend each module needs by looking at the suffix:
|
|
\begin{itemize}
|
|
\item `\_ldap', this means that the module needs an LDAP server as backend.
|
|
\item `\_odbc', this means that the module needs a supported database
|
|
(see~\ref{sec:database}) as backend.
|
|
\item No suffix, this means that the modules uses Erlang's built-in database
|
|
Mnesia as backend.
|
|
\end{itemize}
|
|
|
|
If you want to
|
|
It is possible to use a relational database to store pieces of
|
|
information. You can do this by changing the module name to a name with an
|
|
\term{\_odbc} suffix in \ejabberd{} config file. You can use a relational
|
|
database for the following data:
|
|
|
|
\begin{itemize}
|
|
\item Last connection date and time: Use \term{mod\_last\_odbc} instead of
|
|
\term{mod\_last}.
|
|
\item Offline messages: Use \term{mod\_offline\_odbc} instead of
|
|
\term{mod\_offline}.
|
|
\item Rosters: Use \term{mod\_roster\_odbc} instead of \term{mod\_roster}.
|
|
\item Users' VCARD: Use \term{mod\_vcard\_odbc} instead of \term{mod\_vcard}.
|
|
\end{itemize}
|
|
|
|
|
|
\begin{table}[H]
|
|
\centering
|
|
\begin{tabular}{|l|l|l|l|}
|
|
\hline Module & Feature & Dependencies & Needed for XMPP? \\
|
|
\hline \hline \modadhoc{} & Ad-Hoc Commands (\jepref{0050}) & & No \\
|
|
\hline \modannounce{} & Manage announcements & \modadhoc{} & No \\
|
|
\hline \modconfigure{} & Support for online & \modadhoc{} & No \\
|
|
& configuration of \ejabberd{} & & \\
|
|
\hline \moddisco{} & Service Discovery (\jepref{0030}) & & No \\
|
|
\hline \modecho{} & Echoes Jabber packets & & No \\
|
|
\hline \modirc{} & IRC transport & & No \\
|
|
\hline \modlast{} & Last Activity (\jepref{0012}) & & No \\
|
|
\hline \modlastodbc{} & Last Activity (\jepref{0012}) & supported database (*) & No \\
|
|
\hline \modmuc{} & Multi-User Chat (\jepref{0045}) & & No \\
|
|
\hline \modmuclog{} & Multi-User Chat room logging & \modmuc{} & No \\
|
|
\hline \modoffline{} & Offline message storage & & No \\
|
|
\hline \modofflineodbc{} & Offline message storage & supported database (*) & No \\
|
|
\hline \modprivacy{} & Blocking Communication & & Yes \\
|
|
\hline \modprivate{} & Private XML Storage (\jepref{0049}) & & No \\
|
|
\hline \modpubsub{} & Publish-Subscribe (\jepref{0060}) & & No \\
|
|
\hline \modregister{} & In-Band Registration (\jepref{0077}) & & No \\
|
|
\hline \modroster{} & Roster management & & Yes (**) \\
|
|
\hline \modrosterodbc{} & Roster management & supported database (*) & Yes (**) \\
|
|
\hline \modservicelog{} & Copy user messages to logger service & & No \\
|
|
\hline \modsharedroster{} & Shared roster management & \modroster{} or & No \\
|
|
& & \modrosterodbc{} & \\
|
|
\hline \modstats{} & Statistics Gathering (\jepref{0039}) & & No \\
|
|
\hline \modtime{} & Entity Time (\jepref{0090}) & & No \\
|
|
\hline \modvcard{} & vcard-temp (\jepref{0054}) & & No \\
|
|
\hline \modvcardldap{} & vcard-temp (\jepref{0054}) & LDAP server & No \\
|
|
\hline \modvcardodbc{} & vcard-temp (\jepref{0054}) & supported database (*) & No \\
|
|
\hline \modversion{} & Software Version (\jepref{0092}) & & No\\
|
|
\hline
|
|
\end{tabular}
|
|
\end{table}
|
|
|
|
\begin{itemize}
|
|
\item (*) For a list of supported databases, see section~\ref{sec:database}.
|
|
\item (**) This module or a similar one with another database backend is needed for
|
|
XMPP compliancy.
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modcommonoptions}{Common Options}}
|
|
\label{sec:modcommonoptions}
|
|
|
|
The following options are used by many modules. Therefore, they are described in
|
|
this separate section.
|
|
|
|
\subsubsection{\option{\aname{modiqdiscoption}{iqdisc}}}
|
|
\label{sec:modiqdiscoption}
|
|
\ind{options!iqdisc}
|
|
|
|
Many modules define handlers for processing IQ queries of different namespaces
|
|
to this server or to a user (e.\,g.\ to \jid{example.org} or to
|
|
\jid{user@example.org}). This option defines processing discipline for
|
|
these queries. Possible values are:
|
|
\begin{description}
|
|
\titem{no\_queue} All queries of a namespace with this processing discipline are
|
|
processed immediately. This also means that no other packets can be processed
|
|
until this one has been completely processed. Hence this discipline is not
|
|
recommended if the processing of a query can take a relatively long time.
|
|
\titem{one\_queue} In this case a separate queue is created for the processing
|
|
of IQ queries of a namespace with this discipline. In addition, the processing
|
|
of this queue is done in parallel with that of other packets. This discipline
|
|
is most recommended.
|
|
\titem{parallel} For every packet with this discipline a separate Erlang process
|
|
is spawned. Consequently, all these packets are processed in parallel.
|
|
Although spawning of Erlang process has a relatively low cost, this can break
|
|
the server's normal work, because the Erlang emulator has a limit on the
|
|
number of processes (32000 by default).
|
|
\end{description}
|
|
|
|
Example:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_time, [{iqdisc, no_queue}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
|
|
\subsubsection{\option{\aname{modhostsoption}{hosts}}}
|
|
\label{sec:modhostsoption}
|
|
\ind{options!hosts}
|
|
|
|
A module acting as a service can have one or more hostnames. These hostnames
|
|
can be defined with the \option{hosts} option.
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item Serving the \ind{modules!\modecho{}}echo module on one domain:
|
|
\begin{itemize}
|
|
\item
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_echo, [{hosts, ["echo.example.org"]}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\item Backwards compatibility with older \ejabberd{} versions can be retained
|
|
with:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_echo, [{host, "echo.example.org"}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
\item Serving the echo module on two domains:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_echo, [{hosts, ["echo.example.net", "echo.example.com"]}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modannounce}{\modannounce{}}}
|
|
\label{sec:modannounce}
|
|
\ind{modules!\modannounce{}}\ind{MOTD}\ind{message of the day}\ind{announcements}
|
|
|
|
This module enables configured users to broadcast announcements and to set
|
|
the message of the day (MOTD). Configured users can do these actions with their
|
|
\Jabber{} client by sending messages to specific JIDs. These JIDs are listed in
|
|
next paragraph. The first JID in each entry will apply only to the virtual host
|
|
\jid{example.org}, while the JID between brackets will apply to all virtual
|
|
hosts:
|
|
\begin{description}
|
|
\titem{example.org/announce/all (example.org/announce/all-hosts/all)} The
|
|
message is sent to all registered users. If the user is online and connected
|
|
to several resources, only the resource with the highest priority will receive
|
|
the message. If the registered user is not connected, the message will be
|
|
stored offline in assumption that \ind{modules!\modoffline{}}offline storage
|
|
(see section~\ref{sec:modoffline}) is enabled.
|
|
\titem{example.org/announce/online (example.org/announce/all-hosts/online)}The
|
|
message is sent to all connected users. If the user is online and connected
|
|
to several resources, all resources will receive the message.
|
|
\titem{example.org/announce/motd (example.org/announce/all-hosts/motd)}The
|
|
message is set as the message of the day (MOTD) and is sent to users when they
|
|
login. In addition the message is sent to all connected users (similar to
|
|
\term{announce/online}).
|
|
\titem{example.org/announce/motd/update (example.org/announce/all-hosts/motd/update)}
|
|
The message is set as message of the day (MOTD) and is sent to users when they
|
|
login. The message is \emph{not sent} to any currently connected user.
|
|
\titem{example.org/announce/motd/delete (example.org/announce/all-hosts/motd/delete)}
|
|
Any message sent to this JID removes the existing message of the day (MOTD).
|
|
\end{description}
|
|
|
|
Options:
|
|
\begin{description}
|
|
\titem{access} \ind{options!access}This option specifies who is allowed to
|
|
send announcements and to set the message of the day (by default, nobody is
|
|
able to send such messages).
|
|
\end{description}
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item Only administrators can send announcements:
|
|
\begin{verbatim}
|
|
{access, announce, [{allow, admins}]}.
|
|
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_announce, [{access, announce}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\item Administrators as well as the direction can send announcements:
|
|
\begin{verbatim}
|
|
{acl, direction, {user, "big_boss", "example.org"}}.
|
|
{acl, direction, {user, "assistant", "example.org"}}.
|
|
{acl, admins, {user, "admin", "example.org"}}.
|
|
...
|
|
{access, announce, [{allow, admins},
|
|
{allow, direction}]}.
|
|
...
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_announce, [{access, announce}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{moddisco}{\moddisco{}}}
|
|
\label{sec:moddisco}
|
|
\ind{modules!\moddisco{}}\ind{protocols!JEP-0030: Service Discovery}\ind{protocols!JEP-0011: Jabber Browsing}\ind{protocols!JEP-0094: Agent Information}
|
|
|
|
This module adds support for Service Discovery (\jepref{0030}). With
|
|
this module enabled, services on your server can be discovered by
|
|
\Jabber{} clients. Note that \ejabberd{} has no modules with support
|
|
for the superseded Jabber Browsing (\jepref{0011}) and Agent Information
|
|
(\jepref{0094}). Accordingly, \Jabber{} clients need to have support for
|
|
the newer Service Discovery protocol if you want them be able to discover
|
|
the services you offer.
|
|
|
|
Options:
|
|
\begin{description}
|
|
\iqdiscitem{Service Discovery (\ns{http://jabber.org/protocol/disco\#items} and
|
|
\ns{http://jabber.org/protocol/disco\#info})}
|
|
\titem{extra\_domains} \ind{options!extra\_domains}With this option,
|
|
extra domains can be added to the Service Discovery item list.
|
|
\end{description}
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item To serve a link to the Jabber User Directory on \jid{jabber.org}:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_disco, [{extra_domains, ["users.jabber.org"]}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\item To serve a link to the transports on another server:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_disco, [{extra_domains, ["icq.example.com",
|
|
"msn.example.com"]}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\item To serve a link to a few friendly servers:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_disco, [{extra_domains, ["example.org",
|
|
"example.com"]}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
|
|
\subsection{\aname{modecho}{\modecho{}}}
|
|
\label{sec:modecho}
|
|
\ind{modules!\modecho{}}\ind{debugging}
|
|
|
|
This module simply echoes any \Jabber{}
|
|
packet back to the sender. This mirror can be of interest for
|
|
\ejabberd{} and \Jabber{} client debugging.
|
|
|
|
Options:
|
|
\begin{description}
|
|
\hostitem{echo}
|
|
\end{description}
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item Mirror, mirror, on the wall, who is the most beautiful
|
|
of them all?
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_echo, [{hosts, ["mirror.example.org"]}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\item If you still do not understand the inner workings of \modecho{},
|
|
you can find a few more examples in section~\ref{sec:modhostsoption}.
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modirc}{\modirc{}}}
|
|
\label{sec:modirc}
|
|
\ind{modules!\modirc{}}\ind{IRC}
|
|
|
|
This module is an IRC transport that can be used to join channels on IRC
|
|
servers.
|
|
|
|
End user information:
|
|
\ind{protocols!groupchat 1.0}\ind{protocols!JEP-0045: Multi-User Chat}
|
|
\begin{itemize}
|
|
\item A \Jabber{} client with `groupchat 1.0' support or Multi-User
|
|
Chat support (\jepref{0045}) is necessary to join IRC channels.
|
|
\item An IRC channel can be joined in nearly the same way as joining a
|
|
\Jabber{} Multi-User Chat room. The difference is that the room name will
|
|
be `channel\%\jid{irc.example.org}' in case \jid{irc.example.org} is
|
|
the IRC server hosting `channel'. And of course the host should point
|
|
to the IRC transport instead of the Multi-User Chat service.
|
|
\item You can register your nickame by sending `IDENTIFY password' to \\
|
|
\jid{nickserver!irc.example.org@irc.jabberserver.org}.
|
|
\item Entering your password is possible by sending `LOGIN nick password' \\
|
|
to \jid{nickserver!irc.example.org@irc.jabberserver.org}.
|
|
\item When using a popular \Jabber{} server, it can occur that no
|
|
connection can be achieved with some IRC servers because they limit the
|
|
number of conections from one IP.
|
|
\end{itemize}
|
|
|
|
Options:
|
|
\begin{description}
|
|
\hostitem{irc}
|
|
\titem{access} \ind{options!access}This option can be used to specify who
|
|
may use the IRC transport (default value: \term{all}).
|
|
\end{description}
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item In the first example, the IRC transport is available on (all) your
|
|
virtual host(s) with the prefix `\jid{irc.}'. Furthermore, anyone is
|
|
able to use the transport.
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_irc, [{access, all}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
%TODO: bug in current svn!: irc-transport.example.com will *not* show up in the
|
|
% service discovery items; instead you will see irc.example.com
|
|
\item In next example the IRC transport is available on the two virtual hosts
|
|
\jid{example.net} and \jid{example.com} with different prefixes on each host.
|
|
Moreover, the transport is only accessible by paying customers registered on
|
|
our domains and on other servers.
|
|
\begin{verbatim}
|
|
{acl, paying_customers, {user, "customer1", "example.net"}}.
|
|
{acl, paying_customers, {user, "customer2", "example.com"}}.
|
|
{acl, paying_customers, {user, "customer3", "example.org"}}.
|
|
...
|
|
{access, paying_customers, [{allow, paying_customers},
|
|
{deny, all}]}.
|
|
...
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_irc, [{access, paying_customers},
|
|
{hosts, ["irc.example.net", "irc-transport.example.com"]}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modlast}{\modlast{}}}
|
|
\label{sec:modlast}
|
|
\ind{modules!\modlast{}}\ind{protocols!JEP-0012: Last Activity}
|
|
|
|
This module adds support for Last Activity (\jepref{0012}). It can be used to
|
|
discover when a disconnected user last accessed the server, to know when a
|
|
connected user was last active on the server, or to query the uptime of the
|
|
\ejabberd{} server.
|
|
|
|
Options:
|
|
\begin{description}
|
|
\iqdiscitem{Last activity (\ns{jabber:iq:last})}
|
|
\end{description}
|
|
|
|
\subsection{\aname{modmuc}{\modmuc{}}}
|
|
\label{sec:modmuc}
|
|
\ind{modules!\modmuc{}}\ind{protocols!JEP-0045: Multi-User Chat}\ind{conferencing}
|
|
|
|
With this module enabled, your server will support Multi-User Chat
|
|
(\jepref{0045}). End users will be able to join text conferences. Notice
|
|
that this module is not (yet) clusterable.
|
|
|
|
|
|
Some of the features of Multi-User Chat:
|
|
\begin{itemize}
|
|
\item Sending private messages to room participants.
|
|
\item Inviting users.
|
|
\item Setting a conference topic.
|
|
\item Creating password protected rooms.
|
|
\item Kicking and banning participants.
|
|
\end{itemize}
|
|
|
|
Options:
|
|
\begin{description}
|
|
\hostitem{conference}
|
|
\titem{access} \ind{options!access}You can specify who is allowed to use
|
|
the Multi-User Chat service (by default, everyone is allowed to use it).
|
|
\titem{access\_create} \ind{options!access\_create}To configure who is
|
|
allowed to create new rooms at the Multi-User Chat service, this option
|
|
can be used (by default, everybody is allowed to create rooms).
|
|
\titem{access\_admin} \ind{options!access\_admin}This option specifies
|
|
who is allowed to administrate the Multi-User Chat service (the default
|
|
value is \term{none}, which means that only the room creator can
|
|
administer his room). By sending a message to the service JID,
|
|
administrators can send service messages that will be displayed in every
|
|
active room.
|
|
\titem{history\_size} \ind{options!history\_size}A small history of the
|
|
current discussion is sent to users when they enter the room. With this option
|
|
you can define the number of history messages to keep and send to users
|
|
joining the room. The value is an integer. Setting the value to \term{0}
|
|
disables the history feature and, as a result, nothing is kept in memory. The
|
|
default value is \term{20}. This value is global and thus affects all rooms on
|
|
the server.
|
|
\end{description}
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item In the first example everyone is allowed to use the Multi-User Chat
|
|
service. Everyone will also be able to create new rooms but only the user
|
|
\jid{admin@example.org} is allowed to administrate any room. In this
|
|
example he is also a global administrator. When \jid{admin@example.org}
|
|
sends a message such as `Tomorrow, the \Jabber{} server will be moved
|
|
to new hardware. This will involve service breakdowns around 23:00 UMT.
|
|
We apologise for this inconvenience.' to \jid{conference.example.org},
|
|
it will be displayed in all active rooms. In this example the history
|
|
feature is disabled.
|
|
\begin{verbatim}
|
|
{acl, admins, {user, "admin", "example.org"}}.
|
|
...
|
|
{access, muc_admins, [{allow, admins}]}.
|
|
...
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_muc, [{access, all},
|
|
{access_create, all},
|
|
{access_admin, muc_admins},
|
|
{history_size, 0}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\item In the second example the Multi-User Chat service is only accessible by
|
|
paying customers registered on our domains and on other servers. Of course
|
|
the administrator is also allowed to access rooms. In addition, he is the
|
|
only authority able to create and administer rooms. When
|
|
\jid{admin@example.org} sends a message such as `Tomorrow, the \Jabber{}
|
|
server will be moved to new hardware. This will involve service breakdowns
|
|
around 23:00 UMT. We apologise for this inconvenience.' to
|
|
\jid{conference.example.org}, it will be displayed in all active rooms. No
|
|
\term{history\_size} option is used, this means that the feature is enabled
|
|
and the default value of 20 history messages will be send to the users.
|
|
\begin{verbatim}
|
|
{acl, paying_customers, {user, "customer1", "example.net"}}.
|
|
{acl, paying_customers, {user, "customer2", "example.com"}}.
|
|
{acl, paying_customers, {user, "customer3", "example.org"}}.
|
|
{acl, admins, {user, "admin", "example.org"}}.
|
|
...
|
|
{access, muc_admins, [{allow, admins},
|
|
{deny, all}]}.
|
|
{access, muc_access, [{allow, paying_customers},
|
|
{allow, admins},
|
|
{deny, all}]}.
|
|
...
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_muc, [{access, muc_access},
|
|
{access_create, muc_admins},
|
|
{access_admin, muc_admins}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modmuclog}{\modmuclog{}}}
|
|
\label{sec:modmuclog}
|
|
\ind{modules!\modmuclog{}}
|
|
|
|
This module enables optional logging of Multi-User Chat (MUC) conversations to
|
|
HTML. Once you enable this module, users can join a chatroom using a MUC capable
|
|
Jabber client, and if they have enough privileges, they can request the
|
|
configuration form in which they can set the option to enable chatroom logging.
|
|
|
|
Features:
|
|
\begin{itemize}
|
|
\item Chatroom details are added on top of each page: room title, JID,
|
|
author, subject and configuration.
|
|
\item \ind{protocols!RFC 4622: Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)}
|
|
Room title and JID are links to join the chatroom (using
|
|
\footahref{http://www.ietf.org/rfc/rfc4622.txt}{XMPP URIs}).
|
|
\item Subject and chatroom configuration changes are tracked and displayed.
|
|
\item Joins, leaves, nick changes, kicks, bans and `/me' are tracked and
|
|
displayed, including the reason if available.
|
|
\item Generated HTML files are XHTML 1.0 Transitional and CSS compliant.
|
|
\item Timestamps are self-referencing links.
|
|
\item Links on top for quicker navigation: Previous day, Next day, Up.
|
|
\item CSS is used for style definition, and a custom CSS file can be used.
|
|
\item URLs on messages and subjects are converted to hyperlinks.
|
|
\item Timezone used on timestamps is shown on the log files.
|
|
\item A custom link can be added on top of each page.
|
|
\end{itemize}
|
|
|
|
Options:
|
|
\begin{description}
|
|
\titem{access\_log}\ind{options!access\_log}
|
|
This option restricts which users are allowed to enable or disable chatroom
|
|
logging. The default value is \term{muc\_admin}. Note for this default setting
|
|
you need to have an access rule for \term{muc\_admin} in order to take effect.
|
|
\titem{cssfile}\ind{options!cssfile}
|
|
With this option you can set whether the HTML files should have a custom CSS
|
|
file or if they need to use the embedded CSS file. Allowed values are
|
|
\term{false} and an URL to a CSS file. With the first value, HTML files will
|
|
include the embedded CSS code. With the latter, you can specify the URL of the
|
|
custom CSS file (for example: `http://example.com/my.css'). The default value
|
|
is \term{false}.
|
|
\titem{dirtype}\ind{options!dirtype}
|
|
The type of the created directories can be specified with this option. Allowed
|
|
values are \term{subdirs} and \term{plain}. With the first value,
|
|
subdirectories are created for each year and month. With the latter, the
|
|
names of the log files contain the full date, and there are no subdirectories.
|
|
The default value is \term{subdirs}.
|
|
\titem{outdir}\ind{options!outdir}
|
|
This option sets the full path to the directory in which the HTML files should
|
|
be stored. Make sure the \ejabberd{} daemon user has write access on that
|
|
directory. The default value is \term{"www/muc"}.
|
|
\titem{timezone}\ind{options!timezone}
|
|
The time zone for the logs is configurable with this option. Allowed values
|
|
are \term{local} and \term{universal}. With the first value, the local time,
|
|
as reported to Erlang by the operating system, will be used. With the latter,
|
|
GMT/UTC time will be used. The default value is \term{local}.
|
|
\titem{top\_link}\ind{options!top\_link}
|
|
With this option you can customize the link on the top right corner of each
|
|
log file. The syntax of this option is \term{\{"URL", "Text"\}}. The default
|
|
value is \term{\{"/", "Home"\}}.
|
|
\end{description}
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item In the first example any chatroom owner can enable logging, and a
|
|
custom CSS file will be used (http://example.com/my.css). Further, the names
|
|
of the log files will contain the full date, and there will be no
|
|
subdirectories. The log files will be stored in /var/www/muclogs, and the
|
|
time zone will be GMT/UTC. Finally, the top link will be
|
|
\verb|<a href="http://www.jabber.ru">Jabber.ru</a>|.
|
|
\begin{verbatim}
|
|
{access, muc, [{allow, all}]}.
|
|
...
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_muc_log, [
|
|
{access_log, muc},
|
|
{cssfile, "http://example.com/my.css"},
|
|
{dirtype, plain},
|
|
{outdir, "/var/www/muclogs"},
|
|
{timezone, universal},
|
|
{top_link, {"http://www.jabber.ru", "Jabber.ru"}}
|
|
]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\item In the second example only \jid{admin1@example.org} and
|
|
\jid{admin2@example.net} can enable logging, and the embedded CSS file will be
|
|
used. Further, the names of the log files will only contain the day (number),
|
|
and there will be subdirectories for each year and month. The log files will
|
|
be stored in /var/www/muclogs, and the local time will be used. Finally, the
|
|
top link will be the default \verb|<a href="/">Home</a>|.
|
|
\begin{verbatim}
|
|
{acl, admins, {user, "admin1", "example.org"}}.
|
|
{acl, admins, {user, "admin2", "example.net"}}.
|
|
...
|
|
{access, muc_log, [{allow, admins},
|
|
{deny, all}]}.
|
|
...
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_muc_log, [
|
|
{access_log, muc_log},
|
|
{cssfile, false},
|
|
{dirtype, subdirs},
|
|
{outdir, "/var/www/muclogs"},
|
|
{timezone, local}
|
|
]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modoffline}{\modoffline{}}}
|
|
\label{sec:modoffline}
|
|
\ind{modules!\modoffline{}}
|
|
|
|
This module implements offline message storage. This means that all messages
|
|
sent to an offline user will be stored on the server until that user comes
|
|
online again. Thus it is very similar to how email works. Note that
|
|
\term{ejabberdctl}\ind{ejabberdctl} has a command to delete expired messages
|
|
(see section~\ref{sec:ejabberdctl}).
|
|
|
|
\subsection{\aname{modprivacy}{\modprivacy{}}}
|
|
\label{sec:modprivacy}
|
|
\ind{modules!\modprivacy{}}\ind{Blocking Communication}\ind{Privacy Rules}\ind{protocols!RFC 3921: XMPP IM}
|
|
|
|
This module implements Blocking Communication (also known as Privacy Rules)
|
|
as defined in section 10 from XMPP IM. If end users have support for it in
|
|
their \Jabber{} client, they will be able to:
|
|
\begin{quote}
|
|
\begin{itemize}
|
|
\item Retrieving one's privacy lists.
|
|
\item Adding, removing, and editing one's privacy lists.
|
|
\item Setting, changing, or declining active lists.
|
|
\item Setting, changing, or declining the default list (i.e., the list that
|
|
is active by default).
|
|
\item Allowing or blocking messages based on JID, group, or subscription type
|
|
(or globally).
|
|
\item Allowing or blocking inbound presence notifications based on JID, group,
|
|
or subscription type (or globally).
|
|
\item Allowing or blocking outbound presence notifications based on JID, group,
|
|
or subscription type (or globally).
|
|
\item Allowing or blocking IQ stanzas based on JID, group, or subscription type
|
|
(or globally).
|
|
\item Allowing or blocking all communications based on JID, group, or
|
|
subscription type (or globally).
|
|
\end{itemize}
|
|
(from \ahrefurl{http://www.xmpp.org/specs/rfc3921.html\#privacy})
|
|
\end{quote}
|
|
|
|
Options:
|
|
\begin{description}
|
|
\iqdiscitem{Blocking Communication (\ns{jabber:iq:privacy})}
|
|
\end{description}
|
|
|
|
\subsection{\aname{modprivate}{\modprivate{}}}
|
|
\label{sec:modprivate}
|
|
\ind{modules!\modprivate{}}\ind{protocols!JEP-0049: Private XML Storage}\ind{protocols!JEP-0048: Bookmark Storage}
|
|
|
|
This module adds support for Private XML Storage (\jepref{0049}):
|
|
\begin{quote}
|
|
Using this method, Jabber entities can store private data on the server and
|
|
retrieve it whenever necessary. The data stored might be anything, as long as
|
|
it is valid XML. One typical usage for this namespace is the server-side storage
|
|
of client-specific preferences; another is Bookmark Storage (\jepref{0048}).
|
|
\end{quote}
|
|
|
|
Options:
|
|
\begin{description}
|
|
\iqdiscitem{Private XML Storage (\ns{jabber:iq:private})}
|
|
\end{description}
|
|
|
|
\subsection{\aname{modpubsub}{\modpubsub{}}}
|
|
\label{sec:modpubsub}
|
|
\ind{modules!\modpubsub{}}\ind{protocols!JEP-0060: Publish-Subscribe}
|
|
|
|
This module offers a Publish-Subscribe Service (\jepref{0060}).
|
|
Publish-Subscribe can be used to develop (examples are taken from the JEP):
|
|
\begin{quote}
|
|
\begin{itemize}
|
|
\item news feeds and content syndacation,
|
|
\item avatar management,
|
|
\item shared bookmarks,
|
|
\item auction and trading systems,
|
|
\item online catalogs,
|
|
\item workflow systems,
|
|
\item network management systems,
|
|
\item NNTP gateways,
|
|
\item vCard/profile management,
|
|
\item and weblogs.
|
|
\end{itemize}
|
|
\end{quote}
|
|
|
|
\ind{J-EAI}\ind{EAI}\ind{ESB}\ind{Enterprise Application Integration}\ind{Enterprise Service Bus}
|
|
Another example is \footahref{http://www.process-one.net/en/projects/j-eai/}{J-EAI}.
|
|
This is an XMPP-based Enterprise Application Integration (EAI) platform (also
|
|
known as ESB, the Enterprise Service Bus). The J-EAI project builts upon
|
|
\ejabberd{}'s codebase and has contributed several features to \modpubsub{}.
|
|
|
|
Options:
|
|
\begin{description}
|
|
\hostitem{pubsub}
|
|
\titem{served\_hosts} \ind{options!served\_hosts}To specify which hosts needs to
|
|
be served, you can use this option. If absent, only the main \ejabberd{}
|
|
host is served. % Not a straigtforward description! This needs to be improved!
|
|
\titem{access\_createnode} \ind{options!access\_createnode}
|
|
This option restricts which users are allowed to create pubsub nodes using
|
|
ACL and ACCESS. The default value is \term{pubsub\_createnode}. % Not clear enough + do not use abbreviations.
|
|
\end{description}
|
|
|
|
Example:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_pubsub, [{served_hosts, ["example.com",
|
|
"example.org"]},
|
|
{access_createnode, pubsub_createnode}]}
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
|
|
\subsection{\aname{modregister}{\modregister{}}}
|
|
\label{sec:modregister}
|
|
\ind{modules!\modregister{}}\ind{protocols!JEP-0077: In-Band Registration}\ind{public registration}
|
|
|
|
This module adds support for In-Band Registration (\jepref{0077}). This protocol
|
|
enables end users to use a \Jabber{} client to:
|
|
\begin{itemize}
|
|
\item Register a new account on the server.
|
|
\item Change the password from an existing account on the server.
|
|
\item Delete an existing account on the server.
|
|
\end{itemize}
|
|
|
|
|
|
Options:
|
|
\begin{description}
|
|
\titem{access} \ind{options!access}This option can be configured to specify
|
|
rules to restrict registration. If a rule returns `deny' on the requested
|
|
user name, registration for that user name is dennied. (there are no
|
|
restrictions by default).
|
|
\iqdiscitem{In-Band Registration (\ns{jabber:iq:register})}
|
|
\end{description}
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item Next example prohibits the registration of too short account names:
|
|
\begin{verbatim}
|
|
{acl, shortname, {user_glob, "?"}}.
|
|
{acl, shortname, {user_glob, "??"}}.
|
|
% The same using regexp:
|
|
%{acl, shortname, {user_regexp, "^..?$"}}.
|
|
...
|
|
{access, register, [{deny, shortname},
|
|
{allow, all}]}.
|
|
...
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_register, [{access, register}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\item The in-band registration of new accounts can be prohibited by changing the
|
|
\option{access} option. If you really want to disable all In-Band Registration
|
|
functionality, that is changing passwords in-band and deleting accounts
|
|
in-band, you have to remove \modregister{} from the modules list. In this
|
|
example all In-Band Registration functionality is disabled:
|
|
\begin{verbatim}
|
|
{access, register, [{deny, all}]}.
|
|
|
|
{modules,
|
|
[
|
|
...
|
|
% {mod_register, [{access, register}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modroster}{\modroster{}}}
|
|
\label{sec:modroster}
|
|
\ind{modules!\modroster{}}\ind{roster management}\ind{protocols!RFC 3921: XMPP IM}
|
|
|
|
This module implements roster management as defined in \footahref{http://www.xmpp.org/specs/rfc3921.html\#roster}{RFC 3921: XMPP IM}.
|
|
|
|
Options:
|
|
\begin{description}
|
|
\iqdiscitem{Roster Management (\ns{jabber:iq:roster})}
|
|
\end{description}
|
|
|
|
\subsection{\aname{modservicelog}{\modservicelog{}}}
|
|
\label{sec:modservicelog}
|
|
\ind{modules!\modservicelog{}}\ind{message auditing}\ind{Bandersnatch}
|
|
|
|
This module adds support for logging end user packets via a \Jabber{} message
|
|
auditing service such as
|
|
\footahref{http://www.funkypenguin.co.za/bandersnatch/}{Bandersnatch}. All user
|
|
packets are encapsulated in a \verb|<route/>| element and sent to the specified
|
|
service(s).
|
|
|
|
Options:
|
|
\begin{description}
|
|
\titem{loggers} \ind{options!loggers}With this option a (list of) service(s)
|
|
that will receive the packets can be specified.
|
|
\end{description}
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item To log all end user packets to the Bandersnatch service running on
|
|
\jid{bandersnatch.example.com}:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_service_log, [{loggers, ["bandersnatch.example.com"]}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\item To log all end user packets to the Bandersnatch service running on
|
|
\jid{bandersnatch.example.com} and the backup service on
|
|
\jid{bandersnatch.example.org}:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_service_log, [{loggers, ["bandersnatch.example.com",
|
|
"bandersnatch.example.org"]}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modsharedroster}{\modsharedroster{}}}
|
|
\label{sec:modsharedroster}
|
|
\ind{modules!\modsharedroster{}}\ind{shared roster groups}
|
|
|
|
This module enables you to create shared roster groups. This means that you can
|
|
create groups of people that can see members from (other) groups in their
|
|
rosters. The big advantages of this feature are that end users do not need to
|
|
manually add all users to their rosters, and that they cannot permanently delete
|
|
users from the shared roster groups.
|
|
|
|
Shared roster groups can be edited \emph{only} via the web interface. Each group
|
|
has a unique identification and the following parameters:
|
|
\begin{description}
|
|
\item[Name] The name of the group, which will be displayed in the roster.
|
|
\item[Description] The description of the group. This parameter does not affect
|
|
anything.
|
|
\item[Members] A list of full JIDs of group members, entered one per line in
|
|
the web interface.
|
|
\item[Displayed groups] A list of groups that will be in the rosters of this
|
|
group's members.
|
|
\end{description}
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item Take the case of a computer club that wants all its members seeing each
|
|
other in their rosters. To achieve this, they need to create a shared roster
|
|
group similar to next table:
|
|
\begin{table}[H]
|
|
\centering
|
|
\begin{tabular}{|l|l|}
|
|
\hline Identification& Group `\texttt{club\_members}'\\
|
|
\hline Name& Club Members\\
|
|
\hline Description& Members from the computer club\\
|
|
\hline Members&
|
|
{\begin{tabular}{l}
|
|
\jid{member1@example.org}\\
|
|
\jid{member2@example.org}\\
|
|
\jid{member3@example.org}
|
|
\end{tabular}
|
|
}\\
|
|
\hline Displayed groups& \texttt{club\_members}\\
|
|
\hline
|
|
\end{tabular}
|
|
\end{table}
|
|
\item In another case we have a company which has three divisions: Management,
|
|
Marketing and Sales. All group members should see all other members in their
|
|
rosters. Additonally, all managers should have all marketing and sales people
|
|
in their roster. Simultaneously, all marketeers and the whole sales team
|
|
should see all managers. This scenario can be achieved by creating shared
|
|
roster groups as shown in the following table:
|
|
\begin{table}[H]
|
|
\centering
|
|
\begin{tabular}{|l|l|l|l|}
|
|
\hline Identification&
|
|
Group `\texttt{management}'&
|
|
Group `\texttt{marketing}'&
|
|
Group `\texttt{sales}'\\
|
|
\hline Name& Management& Marketing& Sales\\
|
|
\hline Description& \\
|
|
Members&
|
|
{\begin{tabular}{l}
|
|
\jid{manager1@example.org}\\
|
|
\jid{manager2@example.org}\\
|
|
\jid{manager3@example.org}\\
|
|
\jid{manager4@example.org}
|
|
\end{tabular}
|
|
}&
|
|
{\begin{tabular}{l}
|
|
\jid{marketeer1@example.org}\\
|
|
\jid{marketeer2@example.org}\\
|
|
\jid{marketeer3@example.org}\\
|
|
\jid{marketeer4@example.org}
|
|
\end{tabular}
|
|
}&
|
|
{\begin{tabular}{l}
|
|
\jid{saleswoman1@example.org}\\
|
|
\jid{salesman1@example.org}\\
|
|
\jid{saleswoman2@example.org}\\
|
|
\jid{salesman2@example.org}
|
|
\end{tabular}
|
|
}\\
|
|
\hline Displayed groups&
|
|
{\begin{tabular}{l}
|
|
\texttt{management}\\
|
|
\texttt{marketing}\\
|
|
\texttt{sales}
|
|
\end{tabular}
|
|
}&
|
|
{\begin{tabular}{l}
|
|
\texttt{management}\\
|
|
\texttt{marketing}
|
|
\end{tabular}
|
|
}&
|
|
{\begin{tabular}{l}
|
|
\texttt{management}\\
|
|
\texttt{sales}
|
|
\end{tabular}
|
|
}\\
|
|
\hline
|
|
\end{tabular}
|
|
\end{table}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modstats}{\modstats{}}}
|
|
\label{sec:modstats}
|
|
\ind{modules!\modstats{}}\ind{protocols!JEP-0039: Statistics Gathering}\ind{statistics}
|
|
|
|
This module adds support for Statistics Gathering (\jepref{0039}). This protocol
|
|
allows you to retrieve next statistics from your \ejabberd{} deployment:
|
|
\begin{itemize}
|
|
\item Total number of registered users on the current virtual host (users/total).
|
|
\item Total number of registered users on all virtual hosts (users/all-hosts/total).
|
|
\item Total number of online users on the current virtual host (users/online).
|
|
\item Total number of online users on all virtual hosts (users/all-hosts/online).
|
|
\end{itemize}
|
|
|
|
Options:
|
|
\begin{description}
|
|
\iqdiscitem{Statistics Gathering (\ns{http://jabber.org/protocol/stats})}
|
|
\end{description}
|
|
|
|
As there are only a small amount of clients (for \ind{Tkabber}example
|
|
\footahref{http://tkabber.jabber.ru/}{Tkabber}) and software libraries with
|
|
support for this JEP, a few examples are given of the XML you need to send
|
|
in order to get the statistics. Here they are:
|
|
\begin{itemize}
|
|
\item You can request the number of online users on the current virtual host
|
|
(\jid{example.org}) by sending:
|
|
\begin{verbatim}
|
|
<iq to='example.org' type='get'>
|
|
<query xmlns='http://jabber.org/protocol/stats'>
|
|
<stat name='users/online'/>
|
|
</query>
|
|
</iq>
|
|
\end{verbatim}
|
|
\item You can request the total number of registered users on all virtual hosts
|
|
by sending:
|
|
\begin{verbatim}
|
|
<iq to='example.org' type='get'>
|
|
<query xmlns='http://jabber.org/protocol/stats'>
|
|
<stat name='users/all-hosts/total'/>
|
|
</query>
|
|
</iq>
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modtime}{\modtime{}}}
|
|
\label{sec:modtime}
|
|
\ind{modules!\modtime{}}\ind{protocols!JEP-0090: Entity Time}
|
|
|
|
This module features support for Entity Time (\jepref{0090}). By using this JEP,
|
|
you are able to discover the time at another entity's location.
|
|
|
|
Options:
|
|
\begin{description}
|
|
\iqdiscitem{Entity Time (\ns{jabber:iq:time})}
|
|
\end{description}
|
|
|
|
\subsection{\aname{modvcard}{\modvcard{}}}
|
|
\label{sec:modvcard}
|
|
\ind{modules!\modvcard{}}\ind{JUD}\ind{Jabber User Directory}\ind{vCard}\ind{protocols!JEP-0054: vcard-temp}
|
|
|
|
This module allows end users to store and retrieve their vCard, and to retrieve
|
|
other users vCards, as defined in vcard-temp (\jepref{0054}). The module also
|
|
implements an uncomplicated \Jabber{} User Directory based on the vCards of
|
|
these users. Moreover, it enables the server to send its vCard when queried.
|
|
|
|
Options:
|
|
\begin{description}
|
|
\hostitem{vjud}
|
|
\iqdiscitem{\ns{vcard-temp}}
|
|
\titem{search}\ind{options!search}This option specifies whether the search
|
|
functionality is enabled (value: \term{true}) or disabled (value:
|
|
\term{false}). If disabled, the option \term{hosts} will be ignored and the
|
|
\Jabber{} User Directory service will not appear in the Service Discovery item
|
|
list. The default value is \term{true}.
|
|
\titem{matches}\ind{options!matches}With this option, the number of reported
|
|
search results can be limited. If the option's value is set to \term{infinity},
|
|
all search results are reported. The default value is \term{30}.
|
|
\titem{allow\_return\_all}\ind{options!allow\_return\_all}This option enables
|
|
you to specify if search operations with empty input fields should return all
|
|
users who added some information to their vCard. The default value is
|
|
\term{false}.
|
|
\titem{search\_all\_hosts}\ind{options!search\_all\_hosts}If this option is set
|
|
to \term{true}, search operations will apply to all virtual hosts. Otherwise
|
|
only the current host will be searched. The default value is \term{true}.
|
|
\end{description}
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item In this first situation, search results are limited to twenty items,
|
|
every user who added information to their vCard will be listed when people
|
|
do an empty search, and only users from the current host will be returned:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_vcard, [{search, true},
|
|
{matches, 20},
|
|
{allow_return_all, true},
|
|
{search_all_hosts, false}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\item The second situation differs in a way that search results are not limited,
|
|
and that all virtual hosts will be searched instead of only the current one:
|
|
\begin{verbatim}
|
|
{modules,
|
|
[
|
|
...
|
|
{mod_vcard, [{search, true},
|
|
{matches, infinity},
|
|
{allow_return_all, true}]},
|
|
...
|
|
]}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modvcardldap}{\modvcardldap{}}}
|
|
\label{sec:modvcardldap}
|
|
\ind{modules!\modvcardldap{}}\ind{JUD}\ind{Jabber User Directory}\ind{vCard}\ind{protocols!JEP-0054: vcard-temp}
|
|
|
|
%TODO: verify if the referers to the LDAP section are still correct
|
|
|
|
\ejabberd{} can map LDAP attributes to vCard fields. This behaviour is
|
|
implemented in the \modvcardldap{} module. This module does not depend on the
|
|
authentication method (see~\ref{sec:ldapauth}). The \modvcardldap{} module
|
|
has its own optional parameters. The first group of parameters has the same
|
|
meaning as the top-level LDAP parameters to set the authentication method:
|
|
\option{ldap\_servers}, \option{ldap\_port}, \option{ldap\_rootdn},
|
|
\option{ldap\_password}, \option{ldap\_base}, \option{ldap\_uidattr},
|
|
\option{ldap\_uidattr\_format} and \option{ldap\_filter}. See
|
|
section~\ref{sec:ldapauth} for detailed information about these options. If one
|
|
of these options is not set, \ejabberd{} will look for the top-level option with
|
|
the same name. The second group of parameters consists of the following
|
|
\modvcardldap{}-specific options:
|
|
|
|
\begin{description}
|
|
\hostitem{vjud}
|
|
\iqdiscitem{\ns{vcard-temp}}
|
|
\titem{search}\ind{options!search}This option specifies whether the search
|
|
functionality is enabled (value: \term{true}) or disabled (value:
|
|
\term{false}). If disabled, the option \term{hosts} will be ignored and the
|
|
\Jabber{} User Directory service will not appear in the Service Discovery item
|
|
list. The default value is \term{true}.
|
|
\titem{ldap\_vcard\_map}\ind{options!ldap\_vcard\_map}With this option you can
|
|
set the table that maps LDAP attributes to vCard fields. The format is:
|
|
\term{[{Name\_of\_vCard\_field, Pattern, List\_of\_LDAP\_attributes}, ...]}.\ind{protocols!RFC 2426: vCard MIME Directory Profile}
|
|
\term{Name\_of\_vcard\_field} is the type name of the vCard as defined in
|
|
\footahref{http://www.ietf.org/rfc/rfc2426.txt}{RFC 2426}. \term{Pattern} is a
|
|
string which contains pattern variables \term{"\%u"}, \term{"\%d"} or
|
|
\term{"\%s"}. \term{List\_of\_LDAP\_attributes} is the list containing LDAP
|
|
attributes. The pattern variables \term{"\%s"} will be sequentially replaced
|
|
with the values of LDAP attributes from \term{List\_of\_LDAP\_attributes},
|
|
\term{"\%u"} will be replaced with the user part of a JID, and \term{"\%d"}
|
|
will be replaced with the domain part of a JID. The default is:
|
|
\begin{verbatim}
|
|
[{"NICKNAME", "%u", []},
|
|
{"FN", "%s", ["displayName"]},
|
|
{"FAMILY", "%s", ["sn"]},
|
|
{"GIVEN", "%s", ["givenName"]},
|
|
{"MIDDLE", "%s", ["initials"]},
|
|
{"ORGNAME", "%s", ["o"]},
|
|
{"ORGUNIT", "%s", ["ou"]},
|
|
{"CTRY", "%s", ["c"]},
|
|
{"LOCALITY", "%s", ["l"]},
|
|
{"STREET", "%s", ["street"]},
|
|
{"REGION", "%s", ["st"]},
|
|
{"PCODE", "%s", ["postalCode"]},
|
|
{"TITLE", "%s", ["title"]},
|
|
{"URL", "%s", ["labeleduri"]},
|
|
{"DESC", "%s", ["description"]},
|
|
{"TEL", "%s", ["telephoneNumber"]},
|
|
{"EMAIL", "%s", ["mail"]},
|
|
{"BDAY", "%s", ["birthDay"]},
|
|
{"ROLE", "%s", ["employeeType"]},
|
|
{"PHOTO", "%s", ["jpegPhoto"]}]
|
|
\end{verbatim}
|
|
\titem{ldap\_search\_fields}\ind{options!ldap\_search\_fields}This option
|
|
defines the search form and the LDAP attributes to search within. The format
|
|
is: \term{[{Name, Attribute}, ...]}. \term{Name} is the name of a search form
|
|
field which will be automatically translated by using the translation
|
|
files (see \term{msgs/*.msg} for available words). \term{Attribute} is the
|
|
LDAP attribute or the pattern \term{"\%u"}. The default is:
|
|
\begin{verbatim}
|
|
[{"User", "%u"},
|
|
{"Full Name", "displayName"},
|
|
{"Given Name", "givenName"},
|
|
{"Middle Name", "initials"},
|
|
{"Family Name", "sn"},
|
|
{"Nickname", "%u"},
|
|
{"Birthday", "birthDay"},
|
|
{"Country", "c"},
|
|
{"City", "l"},
|
|
{"Email", "mail"},
|
|
{"Organization Name", "o"},
|
|
{"Organization Unit", "ou"}]
|
|
\end{verbatim}
|
|
\titem{ldap\_search\_reported}\ind{options!ldap\_search\_reported}This option
|
|
defines which search fields should be reported. The format is:
|
|
\term{[{Name, vCard\_Name}, ...]}. \term{Name} is the name of a search form
|
|
field which will be automatically translated by using the translation
|
|
files (see \term{msgs/*.msg} for available words). \term{vCard\_Name} is the
|
|
vCard field name defined in the \option{ldap\_vcard\_map} option. The default
|
|
is:
|
|
\begin{verbatim}
|
|
[{"Full Name", "FN"},
|
|
{"Given Name", "GIVEN"},
|
|
{"Middle Name", "MIDDLE"},
|
|
{"Family Name", "FAMILY"},
|
|
{"Nickname", "NICKNAME"},
|
|
{"Birthday", "BDAY"},
|
|
{"Country", "CTRY"},
|
|
{"City", "LOCALITY"},
|
|
{"Email", "EMAIL"},
|
|
{"Organization Name", "ORGNAME"},
|
|
{"Organization Unit", "ORGUNIT"}]
|
|
\end{verbatim}
|
|
\end{description}
|
|
|
|
%TODO: this examples still should be organised better
|
|
Examples:
|
|
\begin{itemize}
|
|
\item
|
|
|
|
Let's say \term{ldap.example.org} is the name of our LDAP server. We have
|
|
users with their passwords in \term{"ou=Users,dc=example,dc=org"} directory.
|
|
Also we have addressbook, which contains users emails and their additional
|
|
infos in \term{"ou=AddressBook,dc=example,dc=org"} directory. Corresponding
|
|
authentication section should looks like this:
|
|
|
|
\begin{verbatim}
|
|
%% authentication method
|
|
{auth_method, ldap}.
|
|
%% DNS name of our LDAP server
|
|
{ldap_servers, ["ldap.example.org"]}.
|
|
%% We want to authorize users from 'shadowAccount' object class only
|
|
{ldap_filter, "(objectClass=shadowAccount)"}.
|
|
\end{verbatim}
|
|
|
|
Now we want to use users LDAP-info as their vCards. We have four attributes
|
|
defined in our LDAP schema: \term{"mail"} --- email address, \term{"givenName"}
|
|
--- first name, \term{"sn"} --- second name, \term{"birthDay"} --- birthday.
|
|
Also we want users to search each other. Let's see how we can set it up:
|
|
|
|
\begin{verbatim}
|
|
{modules,
|
|
...
|
|
{mod_vcard_ldap,
|
|
[
|
|
%% We use the same server and port, but want to bind anonymously because
|
|
%% our LDAP server accepts anonymous requests to
|
|
%% "ou=AddressBook,dc=example,dc=org" subtree.
|
|
{ldap_rootdn, ""},
|
|
{ldap_password, ""},
|
|
%% define the addressbook's base
|
|
{ldap_base, "ou=AddressBook,dc=example,dc=org"},
|
|
%% user's part of JID is located in the "mail" attribute
|
|
{ldap_uidattr, "mail"},
|
|
%% common format for our emails
|
|
{ldap_uidattr_format, "%u@mail.example.org"},
|
|
%% We have to define empty filter here, because entries in addressbook does not
|
|
%% belong to shadowAccount object class
|
|
{ldap_filter, ""},
|
|
%% Now we want to define vCard pattern
|
|
{ldap_vcard_map,
|
|
[{"NICKNAME", "%u", []}, % just use user's part of JID as his nickname
|
|
{"GIVEN", "%s", ["givenName"]},
|
|
{"FAMILY", "%s", ["sn"]},
|
|
{"FN", "%s, %s", ["sn", "givenName"]}, % example: "Smith, John"
|
|
{"EMAIL", "%s", ["mail"]},
|
|
{"BDAY", "%s", ["birthDay"]}]},
|
|
%% Search form
|
|
{ldap_search_fields,
|
|
[{"User", "%u"},
|
|
{"Name", "givenName"},
|
|
{"Family Name", "sn"},
|
|
{"Email", "mail"},
|
|
{"Birthday", "birthDay"}]},
|
|
%% vCard fields to be reported
|
|
%% Note that JID is always returned with search results
|
|
{ldap_search_reported,
|
|
[{"Full Name", "FN"},
|
|
{"Nickname", "NICKNAME"},
|
|
{"Birthday", "BDAY"}]}
|
|
]}
|
|
...
|
|
}.
|
|
\end{verbatim}
|
|
|
|
Note that \modvcardldap{} module checks an existence of the user before
|
|
searching his info in LDAP.
|
|
|
|
\item \term{ldap\_vcard\_map} example:
|
|
\begin{verbatim}
|
|
{ldap_vcard_map,
|
|
[{"NICKNAME", "%u", []},
|
|
{"FN", "%s", ["displayName"]},
|
|
{"CTRY", "Russia", []},
|
|
{"EMAIL", "%u@%d", []},
|
|
{"DESC", "%s\n%s", ["title", "description"]}
|
|
]},
|
|
\end{verbatim}
|
|
\item \term{ldap\_search\_fields} example:
|
|
\begin{verbatim}
|
|
{ldap_search_fields,
|
|
[{"User", "uid"},
|
|
{"Full Name", "displayName"},
|
|
{"Email", "mail"}
|
|
]},
|
|
\end{verbatim}
|
|
\item \term{ldap\_search\_reported} example:
|
|
\begin{verbatim}
|
|
{ldap_search_reported,
|
|
[{"Full Name", "FN"},
|
|
{"Email", "EMAIL"},
|
|
{"Birthday", "BDAY"},
|
|
{"Nickname", "NICKNAME"}
|
|
]},
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{modversion}{\modversion{}}}
|
|
\label{sec:modversion}
|
|
\ind{modules!\modversion{}}\ind{protocols!JEP-0092: Software Version}
|
|
|
|
This module implements Software Version (\jepref{0092}). Consequently, it
|
|
answers \ejabberd{}'s version when queried.
|
|
|
|
Options:
|
|
\begin{description}
|
|
\iqdiscitem{Software Version (\ns{jabber:iq:version})}
|
|
\end{description}
|
|
|
|
|
|
\section{\aname{initialadmin}{Creating an Initial Administrator}}
|
|
\label{sec:initialadmin}
|
|
|
|
Before the web interface can be entered to perform administration tasks, an
|
|
account with administrator rights is needed on your \ejabberd{} deployment.
|
|
|
|
Instructions to create an initial administrator account:
|
|
\begin{enumerate}
|
|
\item Register an account on your \ejabberd{} deployment. An account can be
|
|
created in two ways:
|
|
\begin{enumerate}
|
|
\item Using the tool \term{ejabberdctl}\ind{ejabberdctl} (see
|
|
section~\ref{sec:ejabberdctl}):
|
|
\begin{verbatim}
|
|
% ejabberdctl node@host register admin example.org password
|
|
\end{verbatim}
|
|
\item Using In-Band Registration (see section~\ref{sec:modregister}): you can
|
|
use a \Jabber{} client to register an account.
|
|
\end{enumerate}
|
|
\item Edit the configuration file to promote the account created in the previous
|
|
step to an account with administrator rights. Note that if you want to add
|
|
more administrators, a seperate acl entry is needed for each administrator.
|
|
\begin{verbatim}
|
|
{acl, admins, {user, "admin", "example.org"}}.
|
|
{access, configure, [{allow, admins}]}.
|
|
\end{verbatim}
|
|
\item Restart \ejabberd{} to load the new configuration.
|
|
\item Open the web interface (\verb|http://server:port/admin/|) in your
|
|
favourite browser. Make sure to enter the \emph{full} JID as username (in this
|
|
example: \jid{admin@example.org}. The reason that you also need to enter the
|
|
suffix, is because \ejabberd{}'s virtual hosting support.
|
|
\end{enumerate}
|
|
|
|
|
|
\section{\aname{onlineconfig}{Online Configuration and Monitoring}}
|
|
\label{sec:onlineconfig}
|
|
|
|
\subsection{\aname{webinterface}{Web Interface}}
|
|
\label{sec:webinterface}
|
|
\ind{web interface}
|
|
|
|
To perform online configuration of \ejabberd{} you need to enable the
|
|
\term{ejabberd\_http} listener with the option \term{web\_admin} (see
|
|
section~\ref{sec:listened}). Then you can open
|
|
\verb|http://server:port/admin/| in your favourite web browser. You
|
|
will be asked to enter the username (the \emph{full} \Jabber{} ID) and password
|
|
of an \ejabberd{} user with administrator rights. After authentication
|
|
you will see a page similar to figure~\ref{fig:webadmmain}.
|
|
|
|
\begin{figure}[htbp]
|
|
\centering
|
|
\insimg{webadmmain.png}
|
|
\caption{Top page from the web interface}
|
|
\label{fig:webadmmain}
|
|
\end{figure}
|
|
Here you can edit access restrictions, manage users, create backups,
|
|
manage the database, enable/disable ports listened for, view server
|
|
statistics,\ldots
|
|
|
|
Examples:
|
|
\begin{itemize}
|
|
\item You can serve the web interface on the same port as the
|
|
\ind{protocols!JEP-0025: HTTP Polling}HTTP Polling interface. In this example
|
|
you should point your web browser to \verb|http://example.org:5280/admin/| to
|
|
administer all virtual hosts or to
|
|
\verb|http://example.org:5280/admin/server/example.com/| to administer only
|
|
the virtual host \jid{example.com}. Before you get access to the web interface
|
|
you need to enter as username, the JID and password from a registered user
|
|
that is allowed to configure \ejabberd{}. In this example you can enter as
|
|
username `\jid{admin@example.net}' to administer all virtual hosts (first
|
|
URL). If you log in with `\jid{admin@example.com}' on \\
|
|
\verb|http://example.org:5280/admin/server/example.com/| you can only
|
|
administer the virtual host \jid{example.com}.
|
|
\begin{verbatim}
|
|
...
|
|
{acl, admins, {user, "admin", "example.net"}}.
|
|
{host_config, "example.com", [{acl, admins, {user, "admin", "example.com"}}]}.
|
|
{access, configure, [{allow, admins}]}.
|
|
...
|
|
{hosts, ["example.org"]}.
|
|
...
|
|
{listen,
|
|
[...
|
|
{5280, ejabberd_http, [http_poll, web_admin]},
|
|
...
|
|
]
|
|
}.
|
|
\end{verbatim}
|
|
\item For security reasons, you can serve the web interface on a secured
|
|
connection, on a port differing from the HTTP Polling interface, and bind it
|
|
to the internal LAN IP. The web interface will be accessible by pointing your
|
|
web browser to \verb|https://192.168.1.1:5280/admin/|:
|
|
\begin{verbatim}
|
|
...
|
|
{hosts, ["example.org"]}.
|
|
...
|
|
{listen,
|
|
[...
|
|
{5270, ejabberd_http, [http_poll]},
|
|
{5280, ejabberd_http, [web_admin, {ip, {192, 168, 1, 1}},
|
|
tls, {certfile, "/usr/local/etc/server.pem"}]},
|
|
...
|
|
]
|
|
}.
|
|
\end{verbatim}
|
|
\end{itemize}
|
|
|
|
\subsection{\aname{ejabberdctl}{\term{ejabberdctl}}}
|
|
\label{sec:ejabberdctl}
|
|
%TODO: update when the ejabberdctl script is made more userfriendly
|
|
|
|
It is possible to do some administration operations using the command
|
|
line tool \term{ejabberdctl}. You can list all available options by
|
|
running \term{ejabberdctl} without arguments:
|
|
\begin{verbatim}
|
|
% ejabberdctl
|
|
Usage: ejabberdctl node command
|
|
|
|
Available commands:
|
|
status get ejabberd status
|
|
stop stop ejabberd
|
|
restart restart ejabberd
|
|
reopen-log reopen log file
|
|
register user server password register a user
|
|
unregister user server unregister a user
|
|
backup file store a database backup to file
|
|
restore file restore a database backup from file
|
|
install-fallback file install a database fallback from file
|
|
dump file dump a database to a text file
|
|
load file restore a database from a text file
|
|
import-file file import user data from jabberd 1.4 spool file
|
|
import-dir dir import user data from jabberd 1.4 spool directory
|
|
registered-users list all registered users
|
|
delete-expired-messages delete expired offline messages from database
|
|
|
|
Example:
|
|
ejabberdctl ejabberd@host restart
|
|
\end{verbatim}
|
|
|
|
Additional information:
|
|
\begin{description}
|
|
\titem{reopen-log } If you use a tool to rotate logs, you have to configure it
|
|
so that this command is executed after each rotation.
|
|
\titem {backup, restore, install-fallback, dump, load} You can use these
|
|
commands to create and restore backups.
|
|
%%More information about backuping can
|
|
%% be found in section~\ref{sec:backup}.
|
|
\titem{import-file, import-dir} \ind{migration from other software}
|
|
These options can be used to migrate from other \Jabber{}/XMPP servers. There
|
|
exist tutorials to \footahref{http://ejabberd.jabber.ru/migrate-to-ejabberd}{migrate from other software to ejabberd}.
|
|
\titem{delete-expired-messages} This option can be used to delete old messages
|
|
in offline storage. This might be useful when the number of offline messages
|
|
is very high.
|
|
\end{description}
|
|
|
|
|
|
\section{\aname{firewall}{Firewall Settings}}
|
|
\label{sec:firewall}
|
|
\ind{firewall}\ind{ports}\ind{SASL}\ind{TLS}\ind{clustering!ports}
|
|
|
|
You need to take the following TCP ports in mind when configuring your firewall:
|
|
\begin{table}[H]
|
|
\centering
|
|
\begin{tabular}{|l|l|}
|
|
\hline Port& Description\\
|
|
\hline \hline 5222& SASL and unencrypted c2s connections.\\
|
|
\hline 5223& Obsolete SSL c2s connections.\\
|
|
\hline 5269& s2s connections.\\
|
|
\hline 4369& Only for clustering (see~\ref{sec:clustering}).\\
|
|
\hline port range& Only for clustring (see~\ref{sec:clustering}). This range
|
|
is configurable (see~\ref{sec:start}).\\
|
|
\hline
|
|
\end{tabular}
|
|
\end{table}
|
|
|
|
|
|
\section{\aname{srv}{SRV Records}}
|
|
\label{sec:srv}
|
|
\ind{SRV Records}\ind{clustering!SRV Records}
|
|
|
|
\begin{itemize}
|
|
\item General information:
|
|
\footahref{http://en.wikipedia.org/wiki/SRV\_record}{SRV record}
|
|
\item Practical information:
|
|
\footahref{http://jabberd.jabberstudio.org/2/docs/section05.html\#5\_7}{Setting DNS SRV Records}
|
|
\end{itemize}
|
|
|
|
|
|
\section{\aname{clustering}{Clustering}}
|
|
\label{sec:clustering}
|
|
\ind{clustering}
|
|
|
|
\subsection{\aname{howitworks}{How it Works}}
|
|
\label{sec:howitworks}
|
|
\ind{clustering!how it works}
|
|
|
|
A \Jabber{} domain is served by one or more \ejabberd{} nodes. These nodes can
|
|
be run on different machines that are connected via a network. They all
|
|
must have the ability to connect to port 4369 of all another nodes, and must
|
|
have the same magic cookie (see Erlang/OTP documentation, in other words the
|
|
file \term{\~{}ejabberd/.erlang.cookie} must be the same on all nodes). This is
|
|
needed because all nodes exchange information about connected users, s2s
|
|
connections, registered services, etc\ldots
|
|
|
|
Each \ejabberd{} node has the following modules:
|
|
\begin{itemize}
|
|
\item router,
|
|
\item local router,
|
|
\item session manager,
|
|
\item s2s manager.
|
|
\end{itemize}
|
|
|
|
\subsubsection{\aname{router}{Router}}
|
|
\label{sec:router}
|
|
\ind{clustering!router}
|
|
|
|
This module is the main router of \Jabber{} packets on each node. It
|
|
routes them based on their destination's domains. It uses a global
|
|
routing table. The domain of the packet's destination is searched in the
|
|
routing table, and if it is found, the packet is routed to the
|
|
appropriate process. If not, it is sent to the s2s manager.
|
|
|
|
\subsubsection{\aname{localrouter}{Local Router}}
|
|
\label{sec:localrouter}
|
|
\ind{clustering!local router}
|
|
|
|
This module routes packets which have a destination domain equal to
|
|
one of this server's host names. If the destination JID has a non-empty user
|
|
part, it is routed to the session manager, otherwise it is processed depending
|
|
on its content.
|
|
|
|
\subsubsection{\aname{sessionmanager}{Session Manager}}
|
|
\label{sec:sessionmanager}
|
|
\ind{clustering!session manager}
|
|
|
|
This module routes packets to local users. It looks up to which user
|
|
resource a packet must be sent via a presence table. Then the packet is
|
|
either routed to the appropriate c2s process, or stored in offline
|
|
storage, or bounced back.
|
|
|
|
\subsubsection{\aname{s2smanager}{s2s Manager}}
|
|
\label{sec:s2smanager}
|
|
\ind{clustering!s2s manager}
|
|
|
|
This module routes packets to other \Jabber{} servers. First, it
|
|
checks if an opened s2s connection from the domain of the packet's
|
|
source to the domain of the packet's destination exists. If that is the case,
|
|
the s2s manager routes the packet to the process
|
|
serving this connection, otherwise a new connection is opened.
|
|
|
|
\subsection{\aname{cluster}{Clustering Setup}}
|
|
\label{sec:cluster}
|
|
\ind{clustering!setup}
|
|
|
|
Suppose you already configured \ejabberd{} on one machine named (\term{first}),
|
|
and you need to setup another one to make an \ejabberd{} cluster. Then do
|
|
following steps:
|
|
|
|
\begin{enumerate}
|
|
\item Copy \verb|~ejabberd/.erlang.cookie| file from \term{first} to
|
|
\term{second}.
|
|
|
|
(alt) You can also add `\verb|-cookie content_of_.erlang.cookie|'
|
|
option to all `\shell{erl}' commands below.
|
|
|
|
\item On \term{second} run the following command as the \ejabberd{} daemon user,
|
|
in the working directory of \ejabberd{}:
|
|
|
|
\begin{verbatim}
|
|
erl -sname ejabberd \
|
|
-mnesia extra_db_nodes "['ejabberd@first']" \
|
|
-s mnesia
|
|
\end{verbatim}
|
|
|
|
This will start Mnesia serving the same database as \node{ejabberd@first}.
|
|
You can check this by running the command `\verb|mnesia:info().|'. You
|
|
should see a lot of remote tables and a line like the following:
|
|
|
|
\begin{verbatim}
|
|
running db nodes = [ejabberd@first, ejabberd@second]
|
|
\end{verbatim}
|
|
|
|
|
|
\item Now run the following in the same `\shell{erl}' session:
|
|
|
|
\begin{verbatim}
|
|
mnesia:change_table_copy_type(schema, node(), disc_copies).
|
|
\end{verbatim}
|
|
|
|
This will create local disc storage for the database.
|
|
|
|
(alt) Change storage type of the \term{scheme} table to `RAM and disc
|
|
copy' on the second node via the web interface.
|
|
|
|
|
|
\item Now you can add replicas of various tables to this node with
|
|
`\verb|mnesia:add_table_copy|' or
|
|
`\verb|mnesia:change_table_copy_type|' as above (just replace
|
|
`\verb|schema|' with another table name and `\verb|disc_copies|'
|
|
can be replaced with `\verb|ram_copies|' or
|
|
`\verb|disc_only_copies|').
|
|
|
|
Which tables to replicate is very dependant on your needs, you can get
|
|
some hints from the command `\verb|mnesia:info().|', by looking at the
|
|
size of tables and the default storage type for each table on 'first'.
|
|
|
|
Replicating a table makes lookups in this table faster on this node.
|
|
Writing, on the other hand, will be slower. And of course if machine with one
|
|
of the replicas is down, other replicas will be used.
|
|
|
|
Also \footahref{http://www.erlang.se/doc/doc-5.4.9/lib/mnesia-4.2.2/doc/html/Mnesia\_chap5.html\#5.3}
|
|
{section 5.3 (Table Fragmentation) of Mnesia User's Guide} can be helpful.
|
|
% The above URL needs update every Erlang release!
|
|
|
|
(alt) Same as in previous item, but for other tables.
|
|
|
|
|
|
\item Run `\verb|init:stop().|' or just `\verb|q().|' to exit from
|
|
the Erlang shell. This probably can take some time if Mnesia has not yet
|
|
transfered and processed all data it needed from \term{first}.
|
|
|
|
|
|
\item Now run \ejabberd{} on \term{second} with almost the same config as
|
|
on \term{first} (you probably do not need to duplicate `\verb|acl|'
|
|
and `\verb|access|' options --- they will be taken from
|
|
\term{first}, and \verb|mod_muc| and \verb|mod_irc| should be
|
|
enabled only on one machine in the cluster).
|
|
\end{enumerate}
|
|
|
|
You can repeat these steps for other machines supposed to serve this
|
|
domain.
|
|
|
|
% TODO
|
|
% See also the section about ejabberdctl!!!!
|
|
%\section{Backup and Restore}
|
|
%\label{sec:backup}
|
|
%\ind{backup}
|
|
|
|
\appendix{}
|
|
\section{\aname{i18nl10n}{Internationalization and Localization}}
|
|
\label{sec:i18nl10n}
|
|
\ind{xml:lang}\ind{internationalization}\ind{localization}\ind{i18n}\ind{l10n}
|
|
|
|
All built-in modules support the \texttt{xml:lang} attribute inside IQ queries.
|
|
Figure~\ref{fig:discorus}, for example, shows the reply to the following query:
|
|
\begin{verbatim}
|
|
<iq id='5'
|
|
to='example.org'
|
|
type='get'
|
|
xml:lang='ru'>
|
|
<query xmlns='http://jabber.org/protocol/disco#items'/>
|
|
</iq>
|
|
\end{verbatim}
|
|
|
|
\begin{figure}[htbp]
|
|
\centering
|
|
\insimg{discorus.png}
|
|
\caption{Service Discovery when \texttt{xml:lang='ru'}}
|
|
\label{fig:discorus}
|
|
\end{figure}
|
|
|
|
The web interface also supports the \verb|Accept-Language| HTTP header (compare
|
|
figure~\ref{fig:webadmmainru} with figure~\ref{fig:webadmmain})
|
|
|
|
\begin{figure}[htbp]
|
|
\centering
|
|
\insimg{webadmmainru.png}
|
|
\caption{Top page from the web interface with HTTP header
|
|
`Accept-Language: ru'}
|
|
\label{fig:webadmmainru}
|
|
\end{figure}
|
|
|
|
|
|
%\section{\aname{ultracomplexexample}{Ultra Complex Example}}
|
|
%\label{sec:ultracomplexexample}
|
|
%TODO: a very big example covering the whole guide, with a good explanation before the example: different authenticaton mechanisms, transports, ACLs, multple virtual hosts, virtual host specific settings and general settings, modules,...
|
|
|
|
\newpage
|
|
\section{\aname{releasenotes}{Release Notes}}
|
|
\label{sec:releasenotes}
|
|
\ind{release notes}
|
|
|
|
Release notes are available from \footahref{http://www.process-one.net/en/ejabberd/release\_notes/}{ejabberd Home Page}
|
|
|
|
\section{\aname{acknowledgements}{Acknowledgements}}
|
|
\label{sec:acknowledgements}
|
|
Thanks to all people who contributed to this guide:
|
|
\begin{itemize}
|
|
\item Alexey Shchepin (\ahrefurl{xmpp:aleksey@jabber.ru})
|
|
\item Badlop (\ahrefurl{xmpp:badlop@jabberes.org})
|
|
\item Evgeniy Khramtsov (\ahrefurl{xmpp:xram@jabber.ru})
|
|
\item Florian Zumbiehl (\ahrefurl{xmpp:florz@florz.de})
|
|
\item Michael Grigutsch (\ahrefurl{xmpp:migri@jabber.i-pobox.net})
|
|
\item Mickael Remond (\ahrefurl{xmpp:mremond@erlang-projects.org})
|
|
\item Sander Devrieze (\ahrefurl{xmpp:sander@devrieze.dyndns.org})
|
|
\item Sergei Golovan (\ahrefurl{xmpp:sgolovan@nes.ru})
|
|
\item Vsevolod Pelipas (\ahrefurl{xmpp:vsevoload@jabber.ru})
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\end{itemize}
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|
|
|
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\section{\aname{copyright}{Copyright Information}}
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|
\label{sec:copyright}
|
|
|
|
Ejabberd Installation and Operation Guide.\\
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|
Copyright \copyright{} 2003 --- 2007 Process-one
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|
|
|
This document 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 document 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 document; if not, write to the Free Software Foundation, Inc., 51 Franklin
|
|
Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
%TODO: a glossary describing common terms
|
|
%\section{\aname{glossary}{Glossary}}
|
|
%\label{sec:glossary}
|
|
%\ind{glossary}
|
|
|
|
%\begin{description}
|
|
%\titem{c2s}
|
|
%\titem{s2s}
|
|
%\titem{STARTTLS}
|
|
%\titem{JEP} (\Jabber{} Enhancement Proposal)
|
|
%\titem{Resource}
|
|
%\titem{Roster}
|
|
%\titem{Transport}
|
|
%\titem{JID} (\Jabber{} ID) <Wikipedia>
|
|
%\titem{JUD} (\Jabber{} User Directory)
|
|
%\titem{vCard} <Wikipedia>
|
|
%\titem{Publish-Subscribe}
|
|
%\titem{Namespace}
|
|
%\titem{Erlang} <Wikipedia>
|
|
%\titem{Fault-tolerant}
|
|
%\titem{Distributed} <Wikipedia>
|
|
%\titem{Node} <Wikipedia>
|
|
%\titem{Tuple} <Wikipedia>
|
|
%\titem{Regular Expression}
|
|
%\titem{ACL} (Access Control List) <Wikipedia>
|
|
%\titem{IPv6} <Wikipedia>
|
|
%\titem{Jabber}
|
|
%\titem{LDAP} (Lightweight Directory Access Protocol) <Wikipedia>
|
|
%\titem{ODBC} (Open Database Connectivity) <Wikipedia>
|
|
%\titem{Virtual Hosting} <Wikipedia>
|
|
|
|
%\end{description}
|
|
|
|
|
|
|
|
% Remove the index from the HTML version to save size and bandwith.
|
|
\begin{latexonly}
|
|
\printindex
|
|
\end{latexonly}
|
|
|
|
\end{document}
|