| 1 | #!/bin/sh
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| 2 | #
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| 3 | # dubbelipcheck.sh
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| 4 | # Scriptje om in de wleiden.conf files van Wireless Leiden
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| 5 | # te controleren of er geen dubbele ip addressen bestaan
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| 6 | #
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| 7 | # Rick van der Zwet (rick@wirelessleiden.nl)
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| 8 | genesis_nodes_dir="`dirname $0`"
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| 9 | allowed_dubbel_ip="172.31.255.1 172.31.255.2 192.168.1.[0-9]\{1,3\} 0.0.0.0"
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| 10 | TMPDIR=`mktemp -d -t $(basename $0 .sh).XXXXX`
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| 11 |
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| 12 | ERRNO=0
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| 13 |
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| 14 | #zoek alle ip address in de files op
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| 15 | init()
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| 16 | {
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| 17 | files=`find $genesis_nodes_dir/*/wleiden.conf | grep -e "[A-Z]Node\|proxy"`
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| 18 |
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| 19 | master_ips=`cat $files | grep '^$master_ip' |\
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| 20 | sed -e 's/[^0-9]*\([0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\).*$/\1/'`
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| 21 | link_ips=`cat $files | grep ^IP | grep -v '$master_ip' |\
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| 22 | sed -e 's/IP=//' -e 's/\/[0-9]*//' -e 's/[[:space:]]*$//'`
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| 23 | echo "$master_ips $link_ips" | sort
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| 24 | echo "$master_ips $link_ips" | sort > $TMPDIR/all_ips
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| 25 | echo "$master_ips $link_ips" | sort -u > $TMPDIR/all_ips_no_double
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| 26 | }
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| 27 |
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| 28 |
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| 29 | #check up dubbele ip addressen
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| 30 | dubbelIpCheck() {
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| 31 | dubbel_ips=`comm -23 $TMPDIR/all_ips $TMPDIR/all_ips_no_double | sort -u`
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| 32 | }
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| 33 |
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| 34 |
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| 35 | #verwijder toegestane dubbele ip's
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| 36 | verwijderToegestaneIps() {
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| 37 | for allowed in $allowed_dubbel_ip; do
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| 38 | dubbel_ips=`echo $dubbel_ips | sed s/$allowed//`
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| 39 | done
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| 40 | }
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| 41 |
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| 42 |
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| 43 | #print resultaten
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| 44 | results() {
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| 45 | if [ "$dubbel_ips" ]; then
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| 46 | for dubbel_ip in $dubbel_ips ; do
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| 47 | ERRNO=1
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| 48 | echo ""
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| 49 | echo "Dubbel ip gevonden: $dubbel_ip"
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| 50 | echo "Wordt gebruikt in:"
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| 51 | for file in $files ; do
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| 52 | grep -v '#' $file | grep "$dubbel_ip/" | grep "^IP\|^$master_ip" > /dev/null && echo " -$file"
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| 53 | done
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| 54 | done
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| 55 | else
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| 56 | echo "Geen dubbele ip's gevonden"
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| 57 | fi
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| 58 | echo ""
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| 59 | echo "Toegestane dubbele ip's:"
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| 60 | for ip in $allowed_dubbel_ip ; do
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| 61 | echo " -$ip"
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| 62 | done
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| 63 | }
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| 64 |
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| 65 |
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| 66 | #verwijder tijdelijke files
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| 67 | cleanup() {
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| 68 | rm -R $TMPDIR
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| 69 | }
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| 70 |
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| 71 |
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| 72 |
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| 73 | #hoofdmodule
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| 74 | main() {
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| 75 | init
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| 76 | dubbelIpCheck
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| 77 | verwijderToegestaneIps
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| 78 | results
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| 79 | cleanup
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| 80 | }
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| 81 |
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| 82 | main
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| 83 | exit $ERRNO
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| 84 |
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