Class: DNS::Zone::RR::RRSIG

Inherits:
Record
  • Object
show all
Defined in:
lib/dns/zone/rr/rrsig.rb

Overview

‘RRSIG` resource record.

RFC 4034

Constant Summary collapse

REGEX_RRSIG_RDATA = 
%r{
  (?<type_covered>\S+)\s*
  (?<algorithm>\d+)\s*
  (?<labels>\d+)\s*
  (?<original_ttl>#{DNS::Zone::RR::REGEX_TTL})\s*
  (?<signature_expiration>\d+)\s*
  (?<signature_inception>\d+)\s*
  (?<key_tag>\d+)\s*
  (?<signer>#{DNS::Zone::RR::REGEX_DOMAINNAME})\s*
  (?<signature>#{DNS::Zone::RR::REGEX_CHARACTER_STRING})\s*
}mx

Instance Attribute Summary collapse

Attributes inherited from Record

#klass, #label, #ttl

Instance Method Summary collapse

Methods inherited from Record

#general_prefix, #initialize, #load_general_and_get_rdata, #type

Constructor Details

This class inherits a constructor from DNS::Zone::RR::Record

Instance Attribute Details

#algorithm ⇒ Object

Returns the value of attribute algorithm.



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# File 'lib/dns/zone/rr/rrsig.rb', line 18

def algorithm
  @algorithm
end

#key_tag ⇒ Object

Returns the value of attribute key_tag.



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# File 'lib/dns/zone/rr/rrsig.rb', line 18

def key_tag
  @key_tag
end

#labels ⇒ Object

Returns the value of attribute labels.



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# File 'lib/dns/zone/rr/rrsig.rb', line 18

def labels
  @labels
end

#original_ttl ⇒ Object

Returns the value of attribute original_ttl.



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# File 'lib/dns/zone/rr/rrsig.rb', line 18

def original_ttl
  @original_ttl
end

#signature ⇒ Object

Returns the value of attribute signature.



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# File 'lib/dns/zone/rr/rrsig.rb', line 18

def signature
  @signature
end

#signature_expiration ⇒ Object

Returns the value of attribute signature_expiration.



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# File 'lib/dns/zone/rr/rrsig.rb', line 18

def signature_expiration
  @signature_expiration
end

#signature_inception ⇒ Object

Returns the value of attribute signature_inception.



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# File 'lib/dns/zone/rr/rrsig.rb', line 18

def signature_inception
  @signature_inception
end

#signer ⇒ Object

Returns the value of attribute signer.



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# File 'lib/dns/zone/rr/rrsig.rb', line 18

def signer
  @signer
end

#type_covered ⇒ Object

Returns the value of attribute type_covered.



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# File 'lib/dns/zone/rr/rrsig.rb', line 18

def type_covered
  @type_covered
end

Instance Method Details

#dump ⇒ Object 



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# File 'lib/dns/zone/rr/rrsig.rb', line 21

def dump
  parts = general_prefix
  parts << type_covered
  parts << algorithm
  parts << labels
  parts << original_ttl
  parts << signature_expiration
  parts << signature_inception
  parts << key_tag
  parts << signer
  parts << signature
  parts.join(' ')
end

#load(string, options = {}) ⇒ Object 



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# File 'lib/dns/zone/rr/rrsig.rb', line 35

def load(string, options = {})
  rdata = load_general_and_get_rdata(string, options)
  return nil unless rdata

  captures = rdata.match(REGEX_RRSIG_RDATA)
  return nil unless captures

  @type_covered = captures[:type_covered]
  @algorithm = captures[:algorithm].to_i
  @labels = captures[:labels].to_i
  @original_ttl = captures[:original_ttl].to_i
  @signature_expiration = captures[:signature_expiration].to_i
  @signature_inception = captures[:signature_inception].to_i
  @key_tag = captures[:key_tag].to_i
  @signer = captures[:signer]
  @signature = captures[:signature]
  self
end