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#--
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# CyborgHood, a distributed system management software.
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# Copyright (c) 2009-2011 Marc Dequènes (Duck) <Duck@DuckCorp.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#++
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require 'dnsruby'
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require 'tempfile'
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module CyborgHood
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module MapMakerLand
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class ZoneContentBase
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def initialize(name)
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@name = name
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end
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def soa
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find_rr('SOA').first
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end
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def serial
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s = self.soa
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s ? s.serial : nil
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end
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def signed?
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not find_rr('DNSKEY').empty?
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end
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# methods a backend MUST implement
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# - find_rr
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end
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class ZoneContent < ZoneContentBase
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def initialize(name)
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super
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@reader = Dnsruby::ZoneReader.new(@name)
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@zone = []
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end
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def content
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@zone.collect{|rr| rr.to_s }.join("\n")
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end
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def content=(str)
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begin
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temp_file = Tempfile.new(@name)
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temp_file.write(str)
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temp_file.close
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rescue
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raise CyberError.new(:unrecoverable, "services/dns", "could not save temporary zone")
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end
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import_from_file(temp_file.path)
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temp_file.close!
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end
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def import_from_file(file)
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@zone = @reader.process_file(file) || []
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end
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def to_s
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self.content
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end
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def empty?
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@zone.empty?
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end
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def find_rr(rr_type)
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@zone.select{|rr| rr.name.to_s == @name and rr.type == rr_type }
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end
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# TODO: methods to add/replace RRs
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end
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end
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end
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