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#! /usr/bin/env perl
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# just a simple script for people more familiar with
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# perl syntax than YAML. Modify %config below, then run
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# this script. It will create the configuration file for
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# you.
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use strict;
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use warnings;
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use YAML::Tiny; # apt-get libyaml-tiny-perl under debian
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use File::Spec; # find location of script so we can put storage in same directory
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use File::Basename;
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my %config = (
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# one or more switches and their corresponding
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# community name. Use v1 snmp only
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'switches' => {
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'DNS or IP' => { # enter a DNS name or an IP address to be scanned.
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'community' => 'snmp community name',
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# the following list can be used to ignore ports on this switch. Note that these are the port numbers
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# returned by OID iso.3.6.1.2.1.2.2.1.8
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'portsToIgnore' => ['port','numbers','to','ignore']
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},
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'DNS or IP' => {
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'community' => 'snmp community name',
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'portsToIgnore' => ['port','numbers','to','ignore']
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}
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},
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# You must include at least one router.
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# this will be queried to resolve IP's to MAC
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# using its arp table
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# put IP and community name into the hash
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'routers' => {
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'DNS or IP' => {
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'community' => 'snmp community name',
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},
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'DNS or IP' => {
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'community' => 'snmp community name',
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}
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},
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# this is entire optional, but if it exists, it will be used to supplement or override MAC to IP to DNS lookup.
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# Each entry is optional
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# MAC is the hexidecimal mac address, with no delimiters and all lower case. Example is:
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# 402cf4e9ae9b CORRECT
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# 40:2c:f4:e9:ae:9b WRONG, has delimiters (the colons)
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# 402CF4E9AE9B WRONG, alphas are upper case
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# ip: if this is entered, will be used as IP for the mac address, otherwise it is looked up in the routers arp table.
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# default is to get IP from router's arp table
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# hostname: If this is entered, will be used for hostname, otherwise done via reverse DNS entry from router. Default is
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# to look up via rdns
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# override: If false, ip/hostname only be used if no value returned from arp/rdns. If true, ip/hostname are not even
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# attempted, ie this will override anything in those services. Default is false, only use if you can not find
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# it.
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'staticmaps' => {
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'MAC1' => {
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'ip' => '1.1.1.1',
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'hostname' => 'some.host.name',
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'override' => 0
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},
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'MAC2' => {
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'ip' => '1.1.1.2',
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'hostname' => 'some other host name',
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'override' => 1
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}
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},
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'nonrouter' => (
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'filename1',
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'filename2'
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)
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);
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my $scriptDir = dirname( File::Spec->rel2abs( __FILE__ ) );
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my $CONFIGFILE = $scriptDir . '/mapSwitches.config.yaml';
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my $yaml = YAML::Tiny->new( \%config );
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$yaml->write( $CONFIGFILE );
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