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# -*- coding: utf-8 -*- |
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# Description: |
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# Provide functions to handle NVT Info Cache |
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# |
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# Authors: |
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# Juan José Nicola <[email protected]> |
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# |
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# Copyright: |
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# Copyright (C) 2018 Greenbone Networks GmbH |
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# |
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# This program is free software; you can redistribute it and/or |
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# modify it under the terms of the GNU General Public License |
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# as published by the Free Software Foundation; either version 2 |
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# of the License, or (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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""" Functions related to the NVT information. """ |
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# Needed to say that when we import ospd, we mean the package and not the |
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# module in that directory. |
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from __future__ import absolute_import |
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from __future__ import print_function |
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import xml.etree.ElementTree as ET |
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import ospd_openvas.openvas_db as openvas_db |
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NVTICACHE_STR = 'nvticache10' |
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def get_feed_version(): |
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""" Get feed version. |
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""" |
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return openvas_db.item_get_single(NVTICACHE_STR) |
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def get_oids(): |
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""" Get the list of NVT OIDs. |
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""" |
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return openvas_db.get_elem_pattern_by_index('filename:*') |
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View Code Duplication |
def get_nvt_params(oid, str_format=False): |
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""" Get NVT's preferences. |
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@Return XML tree with preferences |
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""" |
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ctx = openvas_db.get_kb_context() |
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resp = ctx.smembers('oid:%s:prefs' % oid) |
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timeout = ctx.lindex('nvt:%s' % oid, |
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openvas_db.nvt_meta_fields.index("NVT_TIMEOUT_POS")) |
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vt_params = ET.Element('vt_params') |
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if int(timeout) > 0: |
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vt_param = ET.Element('vt_param') |
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vt_param.set('id', 'timeout') |
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vt_param.set('type', 'entry') |
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xml_name = ET.SubElement(vt_param, 'name') |
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xml_name.text = "Timeout" |
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xml_desc = ET.SubElement(vt_param, 'description') |
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xml_desc.text = "Script Timeout" |
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xml_def = ET.SubElement(vt_param, 'default') |
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xml_def.text = timeout |
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vt_params.append(vt_param) |
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if resp: |
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for nvt_pref in resp: |
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elem = nvt_pref.split('|||') |
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vt_param = ET.Element('vt_param') |
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vt_param.set('id', elem[0]) |
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vt_param.set('type', elem[1]) |
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xml_name = ET.SubElement(vt_param, 'name') |
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xml_name.text = elem[0] |
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if elem[2]: |
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xml_def = ET.SubElement(vt_param, 'default') |
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xml_def.text = elem[2] |
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xml_desc = ET.SubElement(vt_param, 'description') |
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vt_params.append(vt_param) |
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if str_format: |
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params_list = vt_params.findall("vt_param") |
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params = '' |
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for param in params_list: |
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params += (ET.tostring(param).decode('utf-8')) |
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return params |
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return vt_params |
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View Code Duplication |
def get_nvt_metadata(oid, str_format=False): |
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""" Get a full NVT. Returns an XML tree with the NVT metadata. |
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""" |
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ctx = openvas_db.get_kb_context() |
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resp = ctx.lrange("nvt:%s" % oid, |
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openvas_db.nvt_meta_fields.index("NVT_FILENAME_POS"), |
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openvas_db.nvt_meta_fields.index("NVT_VERSION_POS")) |
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if (isinstance(resp, list) and resp) is False: |
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return None |
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nvt = ET.Element('vt') |
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nvt.set('id', oid) |
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subelem = ['file_name', 'required_keys', 'mandatory_keys', |
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'excluded_keys', 'required_udp_ports', 'required_ports', |
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'dependencies', 'tag', 'cve', 'bid', 'xref', 'category', |
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'timeout', 'family', 'copyright', 'name', 'version'] |
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for elem in subelem: |
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ET.SubElement(nvt, elem) |
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for child, res in zip(list(nvt), resp): |
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child.text = res |
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if str_format: |
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itera = nvt.iter() |
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metadata = '' |
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for elem in itera: |
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if elem.tag != 'vt' and elem.tag != 'file_name': |
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metadata += (ET.tostring(elem).decode('utf-8')) |
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return metadata |
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return nvt |
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def get_nvt_name(ctx, oid): |
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""" Get the NVT name of the given OID.""" |
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return ctx.lindex("nvt:%s" % oid, |
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openvas_db.nvt_meta_fields.index("NVT_NAME_POS")) |
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def get_nvt_family(ctx, oid): |
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""" Get the NVT family of the given OID.""" |
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return ctx.lindex("nvt:%s" % oid, |
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openvas_db.nvt_meta_fields.index("NVT_FAMILY_POS")) |
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greenbone /
ospd-openvas
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