NetDecision TFTP Server Version Detection

###############################################################################
# OpenVAS Vulnerability Test
# $Id: secpod_netdecision_tftp_server_detect.nasl 7332 2017-09-29 14:16:56Z cfischer $
#
# NetDecision TFTP Server Version Detection
#
# Authors:
# Sharath S <[email protected]>
#
# Copyright:
# Copyright (c) 2009 SecPod, http://www.secpod.com
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
##############################################################################

tag_summary = "This script is detects installed version of NetDecision TFTP Server
  and sets the result in KB.";

if(description)
{
  script_id(900357);
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");
 script_version("$Revision: 7332 $");
  script_tag(name:"last_modification", value:"$Date: 2017-09-29 16:16:56 +0200 (Fri, 29 Sep 2017) $");
  script_tag(name:"creation_date", value:"2009-05-29 07:35:11 +0200 (Fri, 29 May 2009)");
  script_tag(name:"cvss_base", value:"0.0");
  script_name("NetDecision TFTP Server Version Detection");
  script_category(ACT_GATHER_INFO);
  script_tag(name:"qod_type", value:"executable_version");
  script_copyright("Copyright (C) 2009 SecPod");
  script_family("Service detection");
  script_dependencies("secpod_reg_enum.nasl");
  script_mandatory_keys("SMB/WindowsVersion");
  script_require_ports(139, 445);
  script_tag(name : "summary" , value : tag_summary);
  exit(0);
}

include("cpe.inc");
include("host_details.inc");
include("smb_nt.inc");
include("secpod_smb_func.inc");

## Constant values
SCRIPT_OID  = "1.3.6.1.4.1.25623.1.0.900357";
SCRIPT_DESC = "NetDecision TFTP Server Version Detection";

if(!get_kb_item("SMB/WindowsVersion")){
  exit(0);
}


if(!registry_key_exists(key:"SOFTWARE\NetDecision")){
  exit(0);
}

netdeciKey = "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\";
foreach item(registry_enum_keys(key:netdeciKey))
{
  netdeciName = registry_get_sz(key:netdeciKey + item, item:"DisplayName");

  if("NetDecision" >< netdeciName)
  {
    netdeciPath = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion",
                                  item:"ProgramFilesDir");
    if(netdeciPath != NULL)
    {
      share = ereg_replace(pattern:"([A-Z]):.*", replace:"\1$", string:netdeciPath);
      file = ereg_replace(pattern:"[A-Z]:(.*)", replace:"\1",
                          string:netdeciPath + "\NetDecision\Bin\TFTPServer.exe");

      name   =  kb_smb_name();
      login  =  kb_smb_login();
      pass   =  kb_smb_password();
      domain =  kb_smb_domain();
      port   =  kb_smb_transport();

      soc = open_sock_tcp(port);
      if(!soc){
        exit(0);
      }

      r = smb_session_request(soc:soc, remote:name);
      if(!r)
      {
        close(soc);
        exit(0);
      }

      prot = smb_neg_prot(soc:soc);
      if(!prot)
      {
        close(soc);
        exit(0);
      }

      r = smb_session_setup(soc:soc, login:login, password:pass, domain:domain,
                            prot:prot);
      if(!r)
      {
        close(soc);
        exit(0);
      }

      uid = session_extract_uid(reply:r);
      if(!uid)
      {
        close(soc);
        exit(0);
      }

      r = smb_tconx(soc:soc, name:name, uid:uid, share:share);
      tid = tconx_extract_tid(reply:r);
      if(!tid){
        close(soc);
        exit(0);
      }

      fid = OpenAndX(socket:soc, uid:uid, tid:tid, file:file);
      if(!fid){
        close(soc);
        exit(0);
      }
    }

    netdeciVer = GetVersion(socket:soc, uid:uid, tid:tid, fid:fid, verstr="prod");
    close(soc);

    if(netdeciVer){
      set_kb_item(name:"NetDecision/TFTP/Ver", value:netdeciVer);
      log_message(data:"NetDecision TFTP Server version " + netdeciVer + 
                         " was detected on the host");

      ## build cpe and store it as host_detail
      cpe = build_cpe(value: netdeciVer, exp:"^([0-9.]+)",base:"cpe:/a:netmechanica:netdecision_tftp_server:");
      if(!isnull(cpe))
         register_host_detail(name:"App", value:cpe, nvt:SCRIPT_OID, desc:SCRIPT_DESC);

    }
    exit(0);
  }
}