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<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
<refentry id="log2pcap.1">

<refmeta>
	<refentrytitle>log2pcap</refentrytitle>
	<manvolnum>1</manvolnum>
	<refmiscinfo class="source">Samba</refmiscinfo>
	<refmiscinfo class="manual">User Commands</refmiscinfo>
	<refmiscinfo class="version">&doc.version;</refmiscinfo>
</refmeta>


<refnamediv>
	<refname>log2pcap</refname>
	<refpurpose>Extract network traces from Samba log files</refpurpose>
</refnamediv>

<refsynopsisdiv>
	<cmdsynopsis>
		<command>log2pcap</command>
		<arg choice="opt">-h</arg>
		<arg choice="opt">-q</arg>
		<arg choice="opt">logfile</arg>
		<arg choice="opt">pcap_file</arg>
	</cmdsynopsis>
</refsynopsisdiv>

<refsect1>
	<title>DESCRIPTION</title>

	<para>This tool is part of the <citerefentry><refentrytitle>samba</refentrytitle>
	<manvolnum>7</manvolnum></citerefentry> suite.</para>

	<para><command>log2pcap</command> reads in a 
	samba log file and generates a pcap file (readable 
	by most sniffers, such as ethereal or tcpdump) based on the packet 
	dumps in the log file.</para>

	<para>The log file must have a <parameter>log level</parameter> 
	of at least <constant>5</constant> to get the SMB header/parameters 
	right, <constant>10</constant> to get the first 512 data bytes of the 
	packet and <constant>50</constant> to get the whole packet.
	</para>
</refsect1>

<refsect1>
	<title>OPTIONS</title>

	<variablelist>
	    <varlistentry>
		<term>-h</term>
		<listitem><para>If this parameter is 
		specified the output file will be a 
		hex dump, in a format that is readable 
		by the <application>text2pcap</application> utility.</para></listitem>
	    </varlistentry>

	    <varlistentry>
	    	<term>-q</term>
		<listitem><para>Be quiet. No warning messages about missing 
		or incomplete data will be given.</para></listitem>
	    </varlistentry>
		
	    <varlistentry>
		<term>logfile</term>
		<listitem><para>
		Samba log file. log2pcap will try to read the log from stdin 
		if the log file is not specified.
		</para></listitem>
	    </varlistentry>

	    <varlistentry>
		<term>pcap_file</term>
		<listitem><para>
		Name of the output file to write the pcap (or hexdump) data to.
		If this argument is not specified, output data will be written 
		to stdout.
		</para></listitem>
	    </varlistentry>

	    &stdarg.help;

	</variablelist>
</refsect1>

<refsect1>
	<title>EXAMPLES</title>

	<para>Extract all network traffic from all samba log files:</para>

	<para><programlisting>
			<prompt>$</prompt> log2pcap &lt; /var/log/* &gt; trace.pcap
	</programlisting></para>

	<para>Convert to pcap using text2pcap:</para>

	<para><programlisting>
	<prompt>$</prompt> log2pcap -h samba.log | text2pcap -T 139,139 - trace.pcap
	</programlisting></para>
</refsect1>

<refsect1>
	<title>VERSION</title>

	<para>This man page is part of version &doc.version; of the Samba suite.</para>
</refsect1>

<refsect1>
	<title>BUGS</title>

	<para>Only SMB data is extracted from the samba logs, no LDAP, 
	NetBIOS lookup or other data.</para>

	<para>The generated TCP and IP headers don't contain a valid 
	checksum.</para>
	
</refsect1>


<refsect1>
	<title>SEE ALSO</title>
	<para><citerefentry><refentrytitle>text2pcap</refentrytitle>
	<manvolnum>1</manvolnum></citerefentry>, <citerefentry><refentrytitle>ethereal</refentrytitle><manvolnum>1</manvolnum></citerefentry></para>
</refsect1>

<refsect1>
	<title>AUTHOR</title>
	
	<para>The original Samba software and related utilities 
	were created by Andrew Tridgell. Samba is now developed
	by the Samba Team as an Open Source project similar 
	to the way the Linux kernel is developed.</para>
	
	<para>This manpage was written by Jelmer Vernooij.</para>
</refsect1>

</refentry>