72 lines
1.4 KiB
Bash
Executable File
72 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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#
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# $FreeBSD$
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#
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# If there is a global system configuration file, suck it in.
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#
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if [ -r /etc/defaults/periodic.conf ]
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then
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. /etc/defaults/periodic.conf
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source_periodic_confs
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fi
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case "$daily_status_named_enable" in
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[Yy][Ee][Ss])
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if [ "$daily_status_named_logs" -le 0 ]
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then
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echo '$daily_status_named_enable is set but ' \
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'$daily_status_named_logs is not greater than zero'
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rc=2
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else
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echo
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echo 'Checking for denied zone transfers (AXFR and IXFR):'
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start=`date -v-1d '+%b %d' | sed 's/0\(.\)$/ \1/'`
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n=$(($daily_status_named_logs - 2))
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rc=$({
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while [ $n -ge 0 ]
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do
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if [ -f /var/log/messages.$n ]
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then
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cat /var/log/messages.$n
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elif [ -f /var/log/messages.$n.gz ]
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then
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zcat -fc /var/log/messages.$n.gz
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fi
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n=$(($n - 1))
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done
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cat /var/log/messages
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} |
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perl -ne 'print "$2 from $1\n"
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if (/$start.*named\[\d+\]: denied [AI]XFR from \[(.*)\]\.\d+ for "(.*)"/);' |
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sort -f | uniq -ic |
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perl -e '
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use Socket;
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while (<STDIN>) {
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if (/^.*from (.*)$/) {
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$ip_addr = $1;
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chomp;
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if ($ARGV[0] =~ /^yes$/i) {
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($host) = gethostbyaddr(inet_aton($ip_addr), AF_INET);
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} else {
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$host = "";
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}
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if ($host) {
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print "$_ ($host)\n";
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} else {
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print "$_\n";
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}
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}
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}
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' $daily_status_named_usedns | tee /dev/stderr | wc -l)
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[ $rc -gt 0 ] && rc=1
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fi;;
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*) rc=0;;
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esac
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exit $rc
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