require "helper"
require "inspec/resource"
require "inspec/resources/port"

describe "Inspec::Resources::Port" do
  it "verify port on Ubuntu 14.04" do
    resource = MockLoader.new(:ubuntu1804).load_resource("port", 22)
    _(resource.listening?).must_equal true
    _(resource.protocols).must_equal %w{ tcp tcp6 }
    _(resource.pids).must_equal [1222]
    _(resource.processes).must_equal ["sshd"]
    _(resource.addresses).must_equal ["0.0.0.0", "::"]
  end

  it "lists all ports" do
    resource = MockLoader.new(:ubuntu1804).load_resource("port")
    _(resource.entries.length).must_equal 9
    _(resource.listening?).must_equal true
    _(resource.protocols).must_equal %w{ udp tcp tcp6 }
    _(resource.pids).must_equal [1146, 1222, 1722, 579]
    _(resource.processes).must_equal %w{dhclient sshd java nginx sendmail}
    _(resource.addresses).must_equal ["0.0.0.0", "10.0.2.15", "fe80::a00:27ff:fe32:ed09", "::"]
  end

  it "filter ports by conditions" do
    resource = MockLoader.new(:ubuntu1804).load_resource("port").where { protocol =~ /udp/i }
    _(resource.entries.length).must_equal 1
    _(resource.listening?).must_equal true
    _(resource.protocols).must_equal ["udp"]
    _(resource.pids).must_equal [1146]
    _(resource.processes).must_equal ["dhclient"]
    _(resource.addresses).must_equal ["0.0.0.0"]
  end

  it "verify UDP port on Ubuntu 14.04" do
    resource = MockLoader.new(:ubuntu1804).load_resource("port", 68)
    _(resource.entries.length).must_equal 1
    _(resource.listening?).must_equal true
    _(resource.protocols).must_equal ["udp"]
    _(resource.pids).must_equal [1146]
    _(resource.processes).must_equal ["dhclient"]
    _(resource.addresses).must_equal ["0.0.0.0"]
  end

  it "accepts the port as a string" do
    resource = MockLoader.new(:ubuntu1804).load_resource("port", "68")
    _(resource.entries.length).must_equal 1
    _(resource.listening?).must_equal true
    _(resource.protocols).must_equal ["udp"]
    _(resource.pids).must_equal [1146]
    _(resource.processes).must_equal ["dhclient"]
    _(resource.addresses).must_equal ["0.0.0.0"]
  end

  it "properly handles multiple processes using one fd" do
    resource = MockLoader.new(:ubuntu1804).load_resource("port", "80")
    _(resource.entries.length).must_equal 1
    _(resource.listening?).must_equal true
    _(resource.protocols).must_equal ["tcp"]
    _(resource.pids).must_equal [579]
    _(resource.processes).must_equal ["nginx"]
    _(resource.addresses).must_equal ["0.0.0.0"]
  end

  it "properly handles a IPv4 address in a v6 listing" do
    resource = MockLoader.new(:ubuntu1804).load_resource("port", 9200)
    _(resource.protocols).must_equal %w{ tcp tcp6 }
    _(resource.addresses).must_equal ["10.0.2.15", "fe80::a00:27ff:fe32:ed09"]
  end

  it "verify port on Alpine Linux without iproute2 installed" do
    resource = MockLoader.new(:alpine).load_resource("port", 22)
    _(resource.listening?).must_equal true
    _(resource.protocols).must_equal %w{ tcp tcp6 }
    _(resource.pids).must_equal [1]
    _(resource.processes).must_equal ["sshd"]
    _(resource.addresses).must_equal ["0.0.0.0", "::"]
  end

  it "verify port on MacOs x" do
    resource = MockLoader.new(:macos10_10).load_resource("port", 2022)
    _(resource.listening?).must_equal true
    _(resource.pids).must_equal [6835]
    _(resource.protocols).must_equal ["tcp"]
    _(resource.processes).must_equal ["VBoxHeadl"]
    _(resource.addresses).must_equal ["127.0.0.1"]
  end

  it "verify port on Windows 2012r2" do
    resource = MockLoader.new(:windows).load_resource("port", 135)
    _(resource.listening?).must_equal true
    _(resource.pids).must_equal [564]
    _(resource.protocols).must_equal ["tcp"]
    _(resource.processes).must_equal ["RpcSs"]
    _(resource.addresses).must_equal ["0.0.0.0", "::"]
  end

  it "verify SSL port on Windows 2012r2" do
    resource = MockLoader.new(:windows).load_resource("port", 443)
    _(resource.listening?).must_equal true
    _(resource.pids).must_equal [4]
    _(resource.protocols).must_equal ["tcp"]
    _(resource.processes).must_equal ["System"]
    _(resource.addresses).must_equal ["0.0.0.0", "::"]
  end

  it "verify syslog port on Windows 2012r2" do
    resource = MockLoader.new(:windows).load_resource("port", 514)
    _(resource.listening?).must_equal true
    _(resource.pids).must_equal [1120]
    _(resource.protocols).must_equal ["udp"]
    _(resource.processes).must_equal ["Syslogd_Service.exe"]
    _(resource.addresses).must_equal ["0.0.0.0"]
  end

  it "verify not listening port on Windows" do
    resource = MockLoader.new(:windows).load_resource("port", 666)
    _(resource.listening?).must_equal false
    _(resource.addresses).must_equal []
    _(resource.protocols).must_equal []
    _(resource.processes).must_equal []
    _(resource.addresses).must_equal []
  end

  it "verify all ports on Windows 2012r2" do
    resource = MockLoader.new(:windows).load_resource("port")
    _(resource.entries.length).must_equal 49
    _(resource.protocols("tcp").entries.length).must_equal 34
    _(resource.protocols("udp").entries.length).must_equal 15
  end

  it "verify port on Windows 2008 (unprivileged)" do
    ml = MockLoader.new(:windows)
    # kill windows 2012 shell commands
    ml.backend.backend.commands
      .select { |k, _| k.start_with? "Get-NetTCPConnection" }
      .values.each { |r| r.stdout = "" }

    resource = ml.load_resource("port", 135)
    _(resource.listening?).must_equal true
    _(resource.pids).must_equal [564]
    _(resource.protocols).must_equal ["tcp"]
    _(resource.processes).must_equal ["RpcSs"]
    _(resource.addresses).must_equal %w{0.0.0.0 ::}
  end

  it "verify port list on Windows 2008 (unprivileged)" do
    ml = MockLoader.new(:windows)
    # kill windows 2012 shell commands
    ml.backend.backend.commands
      .select { |k, _| k.start_with? "Get-NetTCPConnection" }
      .values.each { |r| r.stdout = "" }

    resource = ml.load_resource("port")
    _(resource.entries.length).must_equal 49
    _(resource.protocols("tcp").entries.length).must_equal 34
    _(resource.protocols("udp").entries.length).must_equal 15
  end

  it "verify port on FreeBSD" do
    resource = MockLoader.new(:freebsd10).load_resource("port", 22)
    _(resource.listening?).must_equal true
    _(resource.protocols).must_equal %w{ tcp6 tcp }
    _(resource.pids).must_equal [668]
    _(resource.processes).must_equal ["sshd"]
    _(resource.addresses).must_equal ["0:0:0:0:0:0:0:0", "0.0.0.0"]
  end

  it "verify port on wrlinux" do
    resource = MockLoader.new(:wrlinux).load_resource("port", 22)
    _(resource.listening?).must_equal true
    _(resource.pids).must_equal [1222]
    _(resource.protocols).must_equal %w{ tcp tcp6 }
    _(resource.processes).must_equal ["sshd"]
    _(resource.addresses).must_equal ["0.0.0.0", "::"]
  end

  it "verify running on undefined" do
    resource = MockLoader.new(:undefined).load_resource("port", 22)
    _(resource.listening?).must_equal false
    _(resource.protocols).must_equal []
    _(resource.pids).must_equal []
    _(resource.processes).must_equal []
    _(resource.addresses).must_equal []
  end

  it "verify port and interface on Ubuntu 14.04" do
    resource = MockLoader.new(:ubuntu1804).load_resource("port", "0.0.0.0", 22)
    _(resource.listening?).must_equal true
    _(resource.protocols).must_equal %w{ tcp }
    _(resource.pids).must_equal [1222]
    _(resource.processes).must_equal ["sshd"]
    _(resource.addresses).must_equal ["0.0.0.0"]
  end

  it "verify not listening port on interface on Ubuntu 14.04" do
    resource = MockLoader.new(:ubuntu1804).load_resource("port", "127.0.0.1", 22)
    _(resource.listening?).must_equal false
    _(resource.addresses).must_equal []
  end

  it "verify port on Solaris 10" do
    resource = MockLoader.new(:solaris10).load_resource("port", 22)
    _(resource.listening?).must_equal true
    _(resource.addresses).must_equal ["0.0.0.0"]
  end

  it "verify port on Solaris 11" do
    resource = MockLoader.new(:solaris11).load_resource("port", 22)
    _(resource.listening?).must_equal true
    _(resource.addresses).must_equal ["0.0.0.0"]
  end

  it "verify port on hpux" do
    resource = MockLoader.new(:hpux).load_resource("port", 22)
    _(resource.listening?).must_equal true
    _(resource.protocols).must_equal %w{ tcp tcp6 }
    _(resource.addresses).must_equal ["0.0.0.0", "0:0:0:0:0:0:0:0" ]
  end

  it "verify not listening port on hpux" do
    resource = MockLoader.new(:hpux).load_resource("port", 23)
    _(resource.listening?).must_equal false
    _(resource.protocols).must_equal []
    _(resource.addresses).must_equal []
  end

  it "verify port on aix" do
    resource = MockLoader.new(:aix).load_resource("port", 22)
    _(resource.listening?).must_equal true
    _(resource.protocols).must_equal %w{ tcp tcp6 }
    _(resource.addresses).must_equal ["0.0.0.0", "::"]
  end

  it "verify not listening port on aix" do
    resource = MockLoader.new(:aix).load_resource("port", 23)
    _(resource.listening?).must_equal false
    _(resource.protocols).must_equal []
    _(resource.addresses).must_equal []
  end
end