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9d4f919b39
All community strings are logged as they are sent to the server. This initial implementation only supports SNMPv1 and SNMPv2c. `pyasn1` is required for this server to function.
50 lines
1.8 KiB
Python
Executable file
50 lines
1.8 KiB
Python
Executable file
#!/usr/bin/env python
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# This file is part of Responder, a network take-over set of tools
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# created and maintained by Laurent Gaffie.
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# email: laurent.gaffie@gmail.com
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (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, see <http://www.gnu.org/licenses/>.
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from utils import *
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if settings.Config.PY2OR3 == "PY3":
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from socketserver import BaseRequestHandler
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else:
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from SocketServer import BaseRequestHandler
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from pyasn1.codec.der.decoder import decode
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class SNMP(BaseRequestHandler):
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def handle(self):
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data = self.request[0]
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received_record, rest_of_substrate = decode(data)
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snmp_version = int(received_record['field-0'])
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if snmp_version > 1:
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# TODO: Add support for SNMPv3 (which will have a field-0 value of 2)
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print(text("[SNMP] Unsupported SNMPv3 request received from %s" % self.client_address[0].replace("::ffff:","")))
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return
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community_string = str(received_record['field-1'])
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SaveToDb(
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{
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"module": "SNMP",
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"type": "Cleartext",
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"client": self.client_address[0],
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"user": community_string,
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"cleartext": community_string,
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"fullhash": community_string,
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}
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)
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