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Meshname DNS Server
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require "meshname" | |
require "resolv" | |
require "async/dns" | |
def parse_address str | |
case str | |
when /\A\[(?<address> .* )\]:(?<port> \d+ )\z/x | |
address, port = $~[:address], $~[:port] | |
when /\A(?<address> [^:]+ ):(?<port> \d+ )\z/x | |
address, port = $~[:address], $~[:port] | |
else | |
address, port = str, nil | |
end | |
return [address, port] | |
# source: https://rosettacode.org/wiki/Parse_an_IP_Address | |
end | |
addr = ARGV[0] ? ARGV[0] : "[::1]:53535" | |
parsed_addr = parse_address addr | |
class MeshnameDnsServer < Async::DNS::Server | |
def process name, resource_class, tx | |
if name =~ /[abcdefghijklmnopqrstuvwxyz234567]{26}.(meshname|meship)/ && resource_class == Resolv::DNS::Resource::IN::AAAA | |
Meshname.resolv(name).map! { |ip| | |
tx.respond! ip.to_s | |
} | |
end | |
end | |
end | |
srv = MeshnameDnsServer.new [[:udp, parsed_addr[0], parsed_addr[1].to_i]] | |
srv.run |
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