metasploit-framework/spec/tools/java_deserializer_spec.rb

91 lines
2.2 KiB
Ruby

require 'rex/java'
require 'stringio'
load Metasploit::Framework.root.join('tools/exploit/java_deserializer.rb').to_path
RSpec.describe JavaDeserializer do
before(:context) do
@out = $stdout
@err = $stderr
$stdout = StringIO.new
$stderr = StringIO.new
end
after(:context) do
$stdout = @out
$stderr = @err
end
subject(:deserializer) do
described_class.new
end
let(:valid_stream) do
"\xac\xed\x00\x05\x75\x72\x00\x02" +
"\x5b\x43\xb0\x26\x66\xb0\xe2\x5d" +
"\x84\xac\x02\x00\x00\x78\x70\x00" +
"\x00\x00\x02\x00\x61\x00\x62"
end
describe ".new" do
it "returns a JavaDeserializer instance" do
expect(deserializer).to be_a(JavaDeserializer)
end
it "initializes file to nil" do
expect(deserializer.file).to be_nil
end
end
describe "#run" do
context "when file is nil" do
it "returns nil" do
expect(deserializer.run).to be_nil
end
end
context "when file contains a valid stream" do
before(:example) do
$stdout.string = ''
end
context "when no options" do
it "prints the stream contents" do
expect(File).to receive(:new) do
contents = valid_stream
StringIO.new(contents)
end
deserializer.file = 'sample'
deserializer.run
expect($stdout.string).to include('[7e0001] NewArray { char, ["97", "98"] }')
end
end
context "when :array in options" do
it "prints the array contents" do
expect(File).to receive(:new) do
contents = valid_stream
StringIO.new(contents)
end
deserializer.file = 'sample'
deserializer.run({:array => '0'})
expect($stdout.string).to include('Array Type: char')
end
end
end
context "when file contains an invalid stream" do
it "prints the error while deserializing" do
expect(File).to receive(:new) do
contents = 'invalid_stream'
StringIO.new(contents)
end
deserializer.file = 'sample'
deserializer.run
expect($stdout.string).to include('[-] Failed to unserialize Stream')
end
end
end
end