# encoding: binary
require 'rex/parser/group_policy_preferences'

xml_group = '
<?xml version="1.0" encoding="utf-8"?>
<Groups clsid="{3125E937-EB16-4b4c-9934-544FC6D24D26}"><User clsid="{DF5F1855-51E5-4d24-8B1A-D9BDE98BA1D1}" name="SuperSecretBackdoor" image="0" changed="2013-04-25 18:36:07" uid="{B5EDB865-34F5-4BD7-9C59-3AEB1C7A68C3}"><Properties action="C" fullName="" description="" cpassword="VBQUNbDhuVti3/GHTGHPvcno2vH3y8e8m1qALVO1H3T0rdkr2rub1smfTtqRBRI3" changeLogon="0" noChange="0" neverExpires="1" acctDisabled="0" userName="SuperSecretBackdoor"/></User>
</Groups>
'

xml_datasrc = '
<?xml version="1.0" encoding="utf-8"?>
<DataSources clsid="{380F820F-F21B-41ac-A3CC-24D4F80F067B}"><DataSource clsid="{5C209626-D820-4d69-8D50-1FACD6214488}" userContext="1" name="test" image="0" changed="2013-04-25 20:39:08" uid="{3513F923-9661-4819-9995-91A63C7D7A65}"><Properties action="C" userDSN="0" dsn="test" driver="test" description="" username="test" cpassword="eYbbv1GZI4DZEgTXPUDspw"><Attributes><Attribute name="test" value="test"/><Attribute name="test2" value="test2"/></Attributes></Properties></DataSource>
</DataSources>
'

xml_drive = '
<?xml version="1.0" encoding="utf-8"?>
<Drives clsid="{8FDDCC1A-0C3C-43cd-A6B4-71A6DF20DA8C}"><Drive clsid="{935D1B74-9CB8-4e3c-9914-7DD559B7A417}" name="E:" status="E:" image="0" changed="2013-04-25 20:33:02" uid="{016E2095-EAB5-43C0-8BCF-4C2655F709F5}"><Properties action="C" thisDrive="NOCHANGE" allDrives="NOCHANGE" userName="drivemap" path="drivemap" label="" persistent="0" useLetter="1" letter="E" cpassword="Lj3fkZ8E3AFAJPTSoBitKw"/></Drive>
</Drives>
'

xml_schd = '
<?xml version="1.0" encoding="utf-8"?>
<ScheduledTasks clsid="{CC63F200-7309-4ba0-B154-A71CD118DBCC}"><Task clsid="{2DEECB1C-261F-4e13-9B21-16FB83BC03BD}" name="test1" image="2" changed="2013-04-25 20:30:13" uid="{41059D76-C7B4-4D05-9679-AE7510247B1F}"><Properties action="U" name="test1" appName="notepad.exe" args="" startIn="" comment="" runAs="test1" cpassword="DdGgLn/bpUNU/QjjcNvn4A" enabled="0"><Triggers><Trigger type="DAILY" startHour="8" startMinutes="0" beginYear="2013" beginMonth="4" beginDay="25" hasEndDate="0" repeatTask="0" interval="1"/></Triggers></Properties></Task>
</ScheduledTasks>
'

xml_serv = '
<?xml version="1.0" encoding="utf-8"?>
<NTServices clsid="{2CFB484A-4E96-4b5d-A0B6-093D2F91E6AE}"><NTService clsid="{AB6F0B67-341F-4e51-92F9-005FBFBA1A43}" name="Blah" image="0" changed="2013-04-25 20:29:49" uid="{C6AE4201-9F99-46AB-93C2-9D734D87D343}"><Properties startupType="NOCHANGE" serviceName="Blah" timeout="30" accountName="bob" cpassword="OQWR9sf5FTlGgh8SJX31ug"/></NTService>
</NTServices>
'

xml_ms = '
<?xml version="1.0" encoding="utf-8"?>
<Groups   clsid="{3125E937-EB16-4b4c-9934-544FC6D24D26}"
          disabled="1">
  <User   clsid="{DF5F1855-51E5-4d24-8B1A-D9BDE98BA1D1}"
          name="DbAdmin"
          image="2"
          changed="2007-07-06 20:45:20"
          uid="{253F4D90-150A-4EFB-BCC8-6E894A9105F7}">
    <Properties
          action="U"
          newName=""
          fullName="Database Admin"
          description="Local Database Admin"
          cpassword="demo"
          changeLogon="0"
          noChange="0"
          neverExpires="0"
          acctDisabled="1"
          userName="DbAdmin"/>
  </User>
  <Group  clsid="{6D4A79E4-529C-4481-ABD0-F5BD7EA93BA7}"
          name="Database Admins"
          image="2"
          changed="2007-07-06 20:46:21"
          uid="{C5FB3901-508A-4A9E-9171-60D4FC2B404B}">
    <Properties
          action="U"
          newName=""
          description="Local Database Admins"
          userAction="REMOVE"
          deleteAllUsers="1"
          deleteAllGroups="1"
          removeAccounts="0"
          groupName="Database Admins">
      <Members>
        <Member
          name="domain\sampleuser"
          action="ADD"
          sid=""/>
      </Members>
    </Properties>
  </Group>
</Groups>
'

# Win2k8 appears to append some junk padding in some cases
cpassword_win2k8 = []
# Win2k8R2 -          EqWFlA4kn2T6PHvGi09M7seHuqCYK/slkJWIl7mK+wEMON8tIIslS6707RU1F7Bh
cpassword_win2k8 << ['EqWFlA4kn2T6PHvGi09M7seHuqCYK/slkJWIl7mK+wEMON8tIIslS6707RU1F7BhTµkp', 'N3v3rGunnaG!veYo']
cpassword_win2k8 << ['EqWFlA4kn2T6PHvGi09M7seHuqCYK/slkJWIl7mK+wGSwOI7Be//GJdxd5YYXUQHTµkp', 'N3v3rGunnaG!veYou']
# Win2k8R2 -          EqWFlA4kn2T6PHvGi09M7seHuqCYK/slkJWIl7mK+wFSuDccBEp/4l5EuKnwF0WS
cpassword_win2k8 << ['EqWFlA4kn2T6PHvGi09M7seHuqCYK/slkJWIl7mK+wFSuDccBEp/4l5EuKnwF0WS»YÂVAA', 'N3v3rGunnaG!veYouUp']
cpassword_normal = "j1Uyj3Vx8TY9LtLZil2uAuZkFQA/4latT76ZwgdHdhw"
cpassword_bad = "blah"

RSpec.describe Rex::Parser::GPP do
  GPP = Rex::Parser::GPP

  ##
  # Decrypt
  ##
  it "Decrypt returns Local*P4ssword! for normal cpassword" do
    result = GPP.decrypt(cpassword_normal)
    expect(result).to eq("Local*P4ssword!")
  end

  it "Decrypt returns blank for bad cpassword" do
    result = GPP.decrypt(cpassword_bad)
    expect(result).to eq("")
  end

  it "Decrypt returns blank for nil cpassword" do
    result = GPP.decrypt(nil)
    expect(result).to eq("")
  end

  it 'Decrypts a cpassword containing junk padding' do
    cpassword_win2k8.each do |encrypted, expected|
      result = GPP.decrypt(encrypted)
      expect(result).to eq(expected)
    end
  end

  ##
  # Parse
  ##

  it "Parse returns empty [] for nil" do
    expect(GPP.parse(nil)).to be_empty
  end

  it "Parse returns results for xml_ms and password is empty" do
    results = GPP.parse(xml_ms)
    expect(results).not_to be_empty
    expect(results[0][:PASS]).to be_empty
  end

  it "Parse returns results for xml_datasrc, and attributes, and password is test1" do
    results = GPP.parse(xml_datasrc)
    expect(results).not_to be_empty
    expect(results[0].include?(:ATTRIBUTES)).to be_truthy
    expect(results[0][:ATTRIBUTES]).not_to be_empty
    expect(results[0][:PASS]).to eq("test")
  end

  xmls = []
  xmls << xml_group
  xmls << xml_drive
  xmls << xml_schd
  xmls << xml_serv
  xmls << xml_datasrc

  it "Parse returns results for all good xmls and passwords" do
    xmls.each do |xml|
      results = GPP.parse(xml)
      expect(results).not_to be_empty
      expect(results[0][:PASS]).not_to be_empty
    end
  end

  ##
  # Create_Tables
  ##
  it "Create_tables returns tables for all good xmls" do
    xmls.each do |xml|
      results = GPP.parse(xml)
      tables = GPP.create_tables(results, "test")
      expect(tables).not_to be_empty
    end
  end
end