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96 lines
2.5 KiB
Bash
Executable File
96 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# ntpgroper host ...
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#
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# This script checks each hostname given as an argument to see if
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# it is running NTP. It reports one of the following messages (assume
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# the host is named "dumbo.hp.com":
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#
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# dumbo.hp.com not registered in DNS
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# dumbo.hp.com not responding to ping
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# dumbo.hp.com refused ntpq connection
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# dumbo.hp.com not responding to NTP
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# dumbo.hp.com answers NTP version 2, stratum: 3, ref: telford.nsa.hp.com
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# dumbo.hp.com answers NTP version 3, stratum: 3, ref: telford.nsa.hp.com
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#
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# It ain't pretty, but it is kinda useful.
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#
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# Walter Underwood, 11 Feb 1993, wunder@hpl.hp.com
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#
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# converted to /bin/sh from /bin/ksh by scott@ee.udel.edu 24 Mar 1993
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PATH="/usr/local/etc:$PATH" export PATH
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verbose=1
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logfile=/tmp/cntp-log$$
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ntpqlog=/tmp/cntp-ntpq$$
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# I wrap the whole thing in parens so that it is possible to redirect
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# all the output somewhere, if desired.
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(
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for host in $*
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do
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# echo "Trying $host."
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gethost $host > /dev/null 2>&1
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if [ $? -ne 0 ]
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then
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echo "$host not registered in DNS"
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continue
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fi
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ping $host 64 1 > /dev/null 2>&1
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if [ $? -ne 0 ]
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then
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echo "$host not responding to ping"
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continue
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fi
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# Attempt to contact with version 3 ntp, then try version 2.
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for version in 3 2
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do
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ntpq -c "ntpversion $version" -p $host > $ntpqlog 2>&1
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if fgrep -s 'Connection refused' $ntpqlog
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then
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echo "$host refused ntpq connection"
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break
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fi
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responding=1
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fgrep -s 'timed out, nothing received' $ntpqlog > /dev/null && responding=0
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if [ $responding -eq 1 ]
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then
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ntpq -c "ntpversion $version" -c rl $host > $ntpqlog
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# First we extract the reference ID (usually a host or a clock)
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synchost=`fgrep "refid=" $ntpqlog`
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#synchost=${synchost##*refid=} # strip off the beginning of the line
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#synchost=${synchost%%,*} # strip off the end
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synchost=`expr "$synchost" : '.*refid=\([^,]*\),.*'`
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# Next, we get the stratum
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stratum=`fgrep "stratum=" $ntpqlog`
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#stratum=${stratum##*stratum=}
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#stratum=${stratum%%,*}
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stratum=`expr "$stratum" : '.*stratum=\([^,]*\),.*'`
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echo "$host answers NTP version $version, stratum: $stratum, ref: $synchost"
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break;
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fi
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if [ $version -eq 2 -a $responding -eq 0 ]
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then
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echo "$host not responding to NTP"
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fi
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done
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done
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)
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# ) >> $logfile
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if [ -f $ntpqlog ]; then
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rm $ntpqlog
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fi
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