767173cec2
Update 4.2.8p14 --> 4.2.8p15 Summary: Systems that use a CMAC algorithm in ntp.keys will not release a bit of memory on each packet that uses a CMAC keyid, eventually causing ntpd to run out of memory and fail. The CMAC cleanup from https://bugs.ntp.org/3447, part of ntp-4.2.8p11, introduced a bug whereby the CMAC data structure was no longer completely removed. MFC after: 3 days Security: NTP Bug 3661
249 lines
11 KiB
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249 lines
11 KiB
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<h1 class="settitle" align="center">ntpsweep User’s Manual</h1>
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<a name="Top"></a>
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<div class="header">
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<p>
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Previous: <a href="dir.html#Top" accesskey="p" rel="prev">(dir)</a>, Up: <a href="dir.html#Top" accesskey="u" rel="up">(dir)</a> </p>
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</div>
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<h1 class="node-heading">Top</h1>
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<p>This document describes the use of the NTP Project’s <code>ntpsweep</code> program.
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</p>
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<p>This document applies to version 4.2.8p15 of <code>ntpsweep</code>.
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</p>
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<a name="SEC_Overview"></a>
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<h2 class="shortcontents-heading">Short Table of Contents</h2>
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<div class="shortcontents">
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<li><a name="stoc-Invoking-ntpsweep" href="#toc-Invoking-ntpsweep">1 Invoking ntpsweep</a></li>
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</div>
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<table class="menu" border="0" cellspacing="0">
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<tr><td align="left" valign="top">• ntpsweep Description:</td><td> </td><td align="left" valign="top">Description
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</td></tr>
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<tr><td align="left" valign="top">• <a href="#ntpsweep-Invocation" accesskey="2">ntpsweep Invocation</a>:</td><td> </td><td align="left" valign="top">Invoking ntpsweep
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</td></tr>
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</table>
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<hr>
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<a name="ntpsweep-Invocation"></a>
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<div class="header">
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<p>
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Up: <a href="#Top" accesskey="u" rel="up">Top</a> </p>
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</div>
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<a name="Invoking-ntpsweep"></a>
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<h3 class="section">1 Invoking ntpsweep</h3>
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<a name="index-ntpsweep"></a>
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<a name="index-Print-various-informations-about-given-ntp-servers"></a>
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<p><code>ntpsweep</code>
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prints per host the NTP stratum level, the clock offset in seconds, the daemon
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version, the operating system and the processor. Optionally recursing through
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all peers.
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</p>
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<p>This section was generated by <strong>AutoGen</strong>,
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using the <code>agtexi-cmd</code> template and the option descriptions for the <code>ntpsweep</code> program.
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</p>
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<table class="menu" border="0" cellspacing="0">
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<tr><td align="left" valign="top">• <a href="#ntpsweep-usage" accesskey="1">ntpsweep usage</a>:</td><td> </td><td align="left" valign="top">ntpsweep help/usage (<samp>--help</samp>)
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</td></tr>
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<tr><td align="left" valign="top">• <a href="#ntpsweep-host_002dlist" accesskey="2">ntpsweep host-list</a>:</td><td> </td><td align="left" valign="top">host-list option (-l)
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</td></tr>
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<tr><td align="left" valign="top">• <a href="#ntpsweep-peers" accesskey="3">ntpsweep peers</a>:</td><td> </td><td align="left" valign="top">peers option (-p)
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</td></tr>
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<tr><td align="left" valign="top">• <a href="#ntpsweep-maxlevel" accesskey="4">ntpsweep maxlevel</a>:</td><td> </td><td align="left" valign="top">maxlevel option (-m)
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</td></tr>
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<tr><td align="left" valign="top">• <a href="#ntpsweep-strip" accesskey="5">ntpsweep strip</a>:</td><td> </td><td align="left" valign="top">strip option (-s)
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</td></tr>
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<tr><td align="left" valign="top">• <a href="#ntpsweep-host" accesskey="6">ntpsweep host</a>:</td><td> </td><td align="left" valign="top">host option (-h)
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</td></tr>
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<tr><td align="left" valign="top">• <a href="#ntpsweep-exit-status" accesskey="7">ntpsweep exit status</a>:</td><td> </td><td align="left" valign="top">exit status
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</td></tr>
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</table>
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<hr>
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<a name="ntpsweep-usage"></a>
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<div class="header">
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<p>
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Next: <a href="#ntpsweep-host_002dlist" accesskey="n" rel="next">ntpsweep host-list</a>, Up: <a href="#ntpsweep-Invocation" accesskey="u" rel="up">ntpsweep Invocation</a> </p>
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</div>
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<a name="ntpsweep-help_002fusage-_0028_002d_002dhelp_0029"></a>
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<h4 class="subsection">1.1 ntpsweep help/usage (<samp>--help</samp>)</h4>
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<a name="index-ntpsweep-help"></a>
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<p>This is the automatically generated usage text for ntpsweep.
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</p>
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<p>The text printed is the same whether selected with the <code>help</code> option
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(<samp>--help</samp>) or the <code>more-help</code> option (<samp>--more-help</samp>). <code>more-help</code> will print
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the usage text by passing it through a pager program.
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<code>more-help</code> is disabled on platforms without a working
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<code>fork(2)</code> function. The <code>PAGER</code> environment variable is
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used to select the program, defaulting to <samp>more</samp>. Both will exit
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with a status code of 0.
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</p>
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<div class="example">
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<pre class="example">ntpsweep - Print various informations about given ntp servers - Ver. 4.2.8p15
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USAGE: ntpsweep [ -<flag> [<val>] | --<name>[{=| }<val>] ]... [hostfile]
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-l, --host-list=str Host to execute actions on
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- may appear multiple times
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-p, --peers Recursively list all peers a host synchronizes to
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-m, --maxlevel=num Traverse peers up to this level (4 is a reasonable number)
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-s, --strip=str Strip this string from hostnames
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-?, --help Display usage information and exit
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--more-help Pass the extended usage text through a pager
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Options are specified by doubled hyphens and their name or by a single
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hyphen and the flag character.
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</pre></div>
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<hr>
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<a name="ntpsweep-host_002dlist"></a>
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<div class="header">
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<p>
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Next: <a href="#ntpsweep-peers" accesskey="n" rel="next">ntpsweep peers</a>, Previous: <a href="#ntpsweep-usage" accesskey="p" rel="prev">ntpsweep usage</a>, Up: <a href="#ntpsweep-Invocation" accesskey="u" rel="up">ntpsweep Invocation</a> </p>
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</div>
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<a name="host_002dlist-option-_0028_002dl_0029"></a>
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<h4 class="subsection">1.2 host-list option (-l)</h4>
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<a name="index-ntpsweep_002dhost_002dlist"></a>
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<p>This is the “host to execute actions on” option.
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This option takes a string argument.
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</p>
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<p>This option has some usage constraints. It:
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</p><ul>
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<li> may appear an unlimited number of times.
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</li></ul>
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<p>Use this option to specify the host on which this script operates.
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May appear multiple times.
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</p><hr>
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<a name="ntpsweep-peers"></a>
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<div class="header">
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<p>
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Next: <a href="#ntpsweep-maxlevel" accesskey="n" rel="next">ntpsweep maxlevel</a>, Previous: <a href="#ntpsweep-host_002dlist" accesskey="p" rel="prev">ntpsweep host-list</a>, Up: <a href="#ntpsweep-Invocation" accesskey="u" rel="up">ntpsweep Invocation</a> </p>
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</div>
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<a name="peers-option-_0028_002dp_0029"></a>
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<h4 class="subsection">1.3 peers option (-p)</h4>
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<a name="index-ntpsweep_002dpeers"></a>
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<p>This is the “recursively list all peers a host synchronizes to” option.
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This option has no ‘<samp>doc</samp>’ documentation.
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</p><hr>
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<a name="ntpsweep-maxlevel"></a>
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<div class="header">
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<p>
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Next: <a href="#ntpsweep-strip" accesskey="n" rel="next">ntpsweep strip</a>, Previous: <a href="#ntpsweep-peers" accesskey="p" rel="prev">ntpsweep peers</a>, Up: <a href="#ntpsweep-Invocation" accesskey="u" rel="up">ntpsweep Invocation</a> </p>
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</div>
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<a name="maxlevel-option-_0028_002dm_0029"></a>
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<h4 class="subsection">1.4 maxlevel option (-m)</h4>
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<a name="index-ntpsweep_002dmaxlevel"></a>
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<p>This is the “traverse peers up to this level (4 is a reasonable number)” option.
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This option takes a number argument.
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This option has no ‘<samp>doc</samp>’ documentation.
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</p><hr>
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<a name="ntpsweep-strip"></a>
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<div class="header">
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<p>
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Next: <a href="#ntpsweep-host" accesskey="n" rel="next">ntpsweep host</a>, Previous: <a href="#ntpsweep-maxlevel" accesskey="p" rel="prev">ntpsweep maxlevel</a>, Up: <a href="#ntpsweep-Invocation" accesskey="u" rel="up">ntpsweep Invocation</a> </p>
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</div>
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<a name="strip-option-_0028_002ds_0029"></a>
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<h4 class="subsection">1.5 strip option (-s)</h4>
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<a name="index-ntpsweep_002dstrip"></a>
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<p>This is the “strip this string from hostnames” option.
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This option takes a string argument.
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This option has no ‘<samp>doc</samp>’ documentation.
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</p><hr>
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<a name="ntpsweep-host"></a>
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<div class="header">
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<p>
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Next: <a href="#ntpsweep-exit-status" accesskey="n" rel="next">ntpsweep exit status</a>, Previous: <a href="#ntpsweep-strip" accesskey="p" rel="prev">ntpsweep strip</a>, Up: <a href="#ntpsweep-Invocation" accesskey="u" rel="up">ntpsweep Invocation</a> </p>
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</div>
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<a name="host-option-_0028_002dh_0029"></a>
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<h4 class="subsection">1.6 host option (-h)</h4>
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<a name="index-ntpsweep_002dhost"></a>
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<p>This is the “specify a single host” option.
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This option takes a string argument.
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This option has no ‘<samp>doc</samp>’ documentation.
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</p>
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<p><strong>NOTE</strong><strong>: THIS OPTION IS DEPRECATED</strong>
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</p><hr>
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<a name="ntpsweep-exit-status"></a>
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<div class="header">
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<p>
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Previous: <a href="#ntpsweep-host" accesskey="p" rel="prev">ntpsweep host</a>, Up: <a href="#ntpsweep-Invocation" accesskey="u" rel="up">ntpsweep Invocation</a> </p>
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</div>
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<a name="ntpsweep-exit-status-1"></a>
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<h4 class="subsection">1.7 ntpsweep exit status</h4>
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<p>One of the following exit values will be returned:
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</p><dl compact="compact">
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<dt>‘<samp>0 (EXIT_SUCCESS)</samp>’</dt>
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<dd><p>Successful program execution.
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</p></dd>
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<dt>‘<samp>1 (EXIT_FAILURE)</samp>’</dt>
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<dd><p>The operation failed or the command syntax was not valid.
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</p></dd>
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</dl>
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<hr>
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