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# File 'lib/facter/util/netmask.rb', line 2
def self.get_netmask
netmask = nil;
ipregex = %r{(\d{1,3}\.){3}\d{1,3}}
ops = nil
case Facter.value(:kernel)
when 'Linux'
ops = {
:ifconfig_opts => ['2>/dev/null'],
:regex => %r{#{Facter.value(:ipaddress)}.*?(?:Mask:|netmask)\s*(#{ipregex})}x,
:munge => nil,
}
when 'SunOS'
ops = {
:ifconfig_opts => ['-a'],
:regex => %r{\s+ inet \s #{Facter.value(:ipaddress)} \s netmask \s (\w{8})}x,
:munge => Proc.new { |mask| mask.scan(/../).collect do |byte| byte.to_i(16) end.join('.') }
}
when 'FreeBSD','NetBSD','OpenBSD', 'Darwin', 'GNU/kFreeBSD', 'DragonFly', 'AIX'
ops = {
:ifconfig_opts => ['-a'],
:regex => %r{\s+ inet \s #{Facter.value(:ipaddress)} \s netmask \s 0x(\w{8})}x,
:munge => Proc.new { |mask| mask.scan(/../).collect do |byte| byte.to_i(16) end.join('.') }
}
end
String(Facter::Util::IP.exec_ifconfig(ops[:ifconfig_opts])).split(/\n/).collect do |line|
matches = line.match(ops[:regex])
if !matches.nil?
if ops[:munge].nil?
netmask = matches[1]
else
netmask = ops[:munge].call(matches[1])
end
end
end
netmask
end
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