Mercurial Repositories > eric / file comparison
comparison: src/eric7/Plugins/CheckerPlugins/CodeStyleChecker/Security/Checks/snmpSecurity.py
src/eric7/Plugins/CheckerPlugins/CodeStyleChecker/Security/Checks/snmpSecurity.py
- branch
- eric7
- changeset 9325
- 8157eb19aba5
- child 9653
- e67609152c5e
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| 9324:7f7f3e47b238 | 9325:8157eb19aba5 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing checks for the insecure use of SNMP. | |
| 8 """ | |
| 9 | |
| 10 # | |
| 11 # This is a modified version of the one found in the bandit package. | |
| 12 # | |
| 13 # Original Copyright (c) 2018 SolarWinds, Inc. | |
| 14 # | |
| 15 # SPDX-License-Identifier: Apache-2.0 | |
| 16 # | |
| 17 | |
| 18 | |
| 19 def getChecks(): | |
| 20 """ | |
| 21 Public method to get a dictionary with checks handled by this module. | |
| 22 | |
| 23 @return dictionary containing checker lists containing checker function and | |
| 24 list of codes | |
| 25 @rtype dict | |
| 26 """ | |
| 27 return { | |
| 28 "Call": [ | |
| 29 (checkInsecureVersion, ("S508",)), | |
| 30 (checkWeakCryptography, ("S509",)), | |
| 31 ], | |
| 32 } | |
| 33 | |
| 34 | |
| 35 def checkInsecureVersion(reportError, context, config): | |
| 36 """ | |
| 37 Function to check for the use of insecure SNMP version like | |
| 38 v1, v2c. | |
| 39 | |
| 40 @param reportError function to be used to report errors | |
| 41 @type func | |
| 42 @param context security context object | |
| 43 @type SecurityContext | |
| 44 @param config dictionary with configuration data | |
| 45 @type dict | |
| 46 """ | |
| 47 if context.callFunctionNameQual == "pysnmp.hlapi.CommunityData" and ( | |
| 48 context.checkCallArgValue("mpModel", 0) | |
| 49 or context.check_call_arg_value("mpModel", 1) | |
| 50 ): | |
| 51 # We called community data. Lets check our args | |
| 52 reportError( | |
| 53 context.node.lineno - 1, | |
| 54 context.node.col_offset, | |
| 55 "S508", | |
| 56 "M", | |
| 57 "H", | |
| 58 ) | |
| 59 | |
| 60 | |
| 61 def checkWeakCryptography(reportError, context, config): | |
| 62 """ | |
| 63 Function to check for the use of insecure SNMP cryptography | |
| 64 (i.e. v3 using noAuthNoPriv). | |
| 65 | |
| 66 @param reportError function to be used to report errors | |
| 67 @type func | |
| 68 @param context security context object | |
| 69 @type SecurityContext | |
| 70 @param config dictionary with configuration data | |
| 71 @type dict | |
| 72 """ | |
| 73 if ( | |
| 74 context.callFunctionNameQual == "pysnmp.hlapi.UsmUserData" | |
| 75 and context.callArgsCount < 3 | |
| 76 ): | |
| 77 reportError(context.node.lineno - 1, context.node.col_offset, "S509", "M", "H") |
