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ruby-1.8.6.x-CVE-2009-4492.patch
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File ruby-1.8.6.x-CVE-2009-4492.patch of Package ruby
Index: lib/webrick/httpstatus.rb =================================================================== --- lib/webrick/httpstatus.rb (revision 26273) +++ lib/webrick/httpstatus.rb (revision 26274) @@ -12,7 +12,17 @@ module HTTPStatus - class Status < StandardError; end + class Status < StandardError + def initialize(message=self.class, *rest) + super(AccessLog.escape(message), *rest) + end + class << self + attr_reader :code, :reason_phrase + end + def code() self::class::code end + def reason_phrase() self::class::reason_phrase end + alias to_i code + end class Info < Status; end class Success < Status; end class Redirect < Status; end @@ -68,6 +78,7 @@ CodeToError = {} StatusMessage.each{|code, message| + message.freeze var_name = message.gsub(/[ \-]/,'_').upcase err_name = message.gsub(/[ \-]/,'') @@ -79,18 +90,12 @@ when 500...600; parent = ServerError end - eval %- - RC_#{var_name} = #{code} - class #{err_name} < #{parent} - def self.code() RC_#{var_name} end - def self.reason_phrase() StatusMessage[code] end - def code() self::class::code end - def reason_phrase() self::class::reason_phrase end - alias to_i code - end - - - - CodeToError[code] = const_get(err_name) + const_set("RC_#{var_name}", code) + err_class = Class.new(parent) + err_class.instance_variable_set(:@code, code) + err_class.instance_variable_set(:@reason_phrase, message) + const_set(err_name, err_class) + CodeToError[code] = err_class } def reason_phrase(code) Index: lib/webrick/httprequest.rb =================================================================== --- lib/webrick/httprequest.rb (revision 26273) +++ lib/webrick/httprequest.rb (revision 26274) @@ -242,11 +242,7 @@ @raw_header << line end end - begin - @header = HTTPUtils::parse_header(@raw_header) - rescue => ex - raise HTTPStatus::BadRequest, ex.message - end + @header = HTTPUtils::parse_header(@raw_header.join) end def parse_uri(str, scheme="http") Index: lib/webrick/httpresponse.rb =================================================================== --- lib/webrick/httpresponse.rb (revision 26273) +++ lib/webrick/httpresponse.rb (revision 26274) @@ -132,7 +132,7 @@ end end - # Determin the message length (RFC2616 -- 4.4 Message Length) + # Determine the message length (RFC2616 -- 4.4 Message Length) if @status == 304 || @status == 204 || HTTPStatus::info?(@status) @header.delete('content-length') @body = "" Index: lib/webrick/httputils.rb =================================================================== --- lib/webrick/httputils.rb (revision 26273) +++ lib/webrick/httputils.rb (revision 26274) @@ -128,11 +128,11 @@ when /^\s+(.*?)\s*\z/om value = $1 unless field - raise "bad header '#{line.inspect}'." + raise HTTPStatus::BadRequest, "bad header '#{line}'." end header[field][-1] << " " << value else - raise "bad header '#{line.inspect}'." + raise HTTPStatus::BadRequest, "bad header '#{line}'." end } header.each{|key, values| Index: lib/webrick/accesslog.rb =================================================================== --- lib/webrick/accesslog.rb (revision 26273) +++ lib/webrick/accesslog.rb (revision 26274) @@ -53,15 +53,23 @@ when ?e, ?i, ?n, ?o raise AccessLogError, "parameter is required for \"#{spec}\"" unless param - params[spec][param] || "-" + param = params[spec][param] ? escape(param) : "-" when ?t params[spec].strftime(param || CLF_TIME_FORMAT) when ?% "%" else - params[spec] + escape(params[spec].to_s) end } end + + def escape(data) + if data.tainted? + data.gsub(/[[:cntrl:]\\]+/) {$&.dump[1...-1]}.untaint + else + data + end + end end end
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