97 lines
3.4 KiB
Ruby
97 lines
3.4 KiB
Ruby
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# -*- coding: binary -*-
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require 'rex/java/serialization'
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module Msf
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module Java
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module Rmi
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module Builder
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# Builds a RMI header stream
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#
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# @param opts [Hash{Symbol => <String, Fixnum>}]
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# @option opts [String] :signature
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# @option opts [Fixnum] :version
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# @option opts [Fixnum] :protocol
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# @return [Rex::Proto::Rmi::Model::OutputHeader]
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def build_header(opts = {})
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signature = opts[:signature] || Rex::Proto::Rmi::Model::SIGNATURE
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version = opts[:version] || 2
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protocol = opts[:protocol] || Rex::Proto::Rmi::Model::STREAM_PROTOCOL
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header = Rex::Proto::Rmi::Model::OutputHeader.new(
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signature: signature,
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version: version,
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protocol: protocol)
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header
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end
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# Builds a RMI call stream
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#
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# @param opts [Hash{Symbol => <Fixnum, Array>}]
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# @option opts [Fixnum] :message_id
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# @option opts [Fixnum] :object_number Random to identify the object.
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# @option opts [Fixnum] :uid_number Identifies the VM where the object was generated.
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# @option opts [Fixnum] :uid_time Time where the object was generated.
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# @option opts [Fixnum] :uid_count Identifies different instance of the same object generated from the same VM
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# at the same time.
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# @option opts [Fixnum] :operation On JDK 1.1 stub protocol the operation index in the interface. On JDK 1.2
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# it is -1.
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# @option opts [Fixnum] :hash On JDK 1.1 stub protocol the stub's interface hash. On JDK1.2 is a hash
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# representing the method to call.
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# @option opts [Array] :arguments
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# @return [Rex::Proto::Rmi::Model::Call]
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def build_call(opts = {})
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message_id = opts[:message_id] || Rex::Proto::Rmi::Model::CALL_MESSAGE
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object_number = opts[:object_number] || 0
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uid_number = opts[:uid_number] || 0
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uid_time = opts[:uid_time] || 0
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uid_count = opts[:uid_count] || 0
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operation = opts[:operation] || -1
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hash = opts[:hash] || 0
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arguments = opts[:arguments] || []
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uid = Rex::Proto::Rmi::Model::UniqueIdentifier.new(
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number: uid_number,
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time: uid_time,
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count: uid_count
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)
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call_data = Rex::Proto::Rmi::Model::CallData.new(
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object_number: object_number,
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uid: uid,
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operation: operation,
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hash: hash,
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arguments: arguments
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)
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call = Rex::Proto::Rmi::Model::Call.new(
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message_id: message_id,
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call_data: call_data
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)
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call
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end
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# Builds a RMI dgc ack stream
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#
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# @param opts [Hash{Symbol => <Fixnum, String>}]
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# @option opts [Fixnum] :stream_id
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# @option opts [String] :unique_identifier
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# @return [Rex::Proto::Rmi::Model::DgcAck]
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def build_dgc_ack(opts = {})
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stream_id = opts[:stream_id] || Rex::Proto::Rmi::Model::DGC_ACK_MESSAGE
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unique_identifier = opts[:unique_identifier] || "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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dgc_ack = Rex::Proto::Rmi::Model::DgcAck.new(
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stream_id: stream_id,
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unique_identifier: unique_identifier
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)
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dgc_ack
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end
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end
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end
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end
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end
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