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* lib/rexml/document.rb: limit entity expansion.
* lib/rexml/entity.rb: ditto. * test/rexml/test_document.rb: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19033 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -32,6 +32,7 @@ module REXML
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# @param context if supplied, contains the context of the document;
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# this should be a Hash.
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def initialize( source = nil, context = {} )
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@entity_expansion_count = 0
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super()
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@context = context
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return if source.nil?
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@ -200,6 +201,27 @@ module REXML
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Parsers::StreamParser.new( source, listener ).parse
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end
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@@entity_expansion_limit = 10_000
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# Set the entity expansion limit. By defualt the limit is set to 10000.
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def Document::entity_expansion_limit=( val )
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@@entity_expansion_limit = val
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end
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# Get the entity expansion limit. By defualt the limit is set to 10000.
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def Document::entity_expansion_limit
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return @@entity_expansion_limit
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end
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attr_reader :entity_expansion_count
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def record_entity_expansion
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@entity_expansion_count += 1
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if @entity_expansion_count > @@entity_expansion_limit
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raise "number of entity expansions exceeded, processing aborted."
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end
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end
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private
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def build( source )
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Parsers::TreeParser.new( source, self ).parse
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