Mercurial Repositories > eric / file comparison
comparison: eric7/Plugins/CheckerPlugins/CodeStyleChecker/Security/Checks/blackListCalls.py
eric7/Plugins/CheckerPlugins/CodeStyleChecker/Security/Checks/blackListCalls.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 7923
- 91e843545d9a
- child 8881
- 54e42bc2437a
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2020 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing checks for blacklisted methods and functions. | |
| 8 """ | |
| 9 | |
| 10 # | |
| 11 # This is a modified version of the one found in the bandit package. | |
| 12 # | |
| 13 # Original Copyright 2016 Hewlett-Packard Development Company, L.P. | |
| 14 # | |
| 15 # SPDX-License-Identifier: Apache-2.0 | |
| 16 # | |
| 17 | |
| 18 import ast | |
| 19 import fnmatch | |
| 20 | |
| 21 import AstUtilities | |
| 22 | |
| 23 _blacklists = { | |
| 24 'S301': ([ | |
| 25 'pickle.loads', | |
| 26 'pickle.load', | |
| 27 'pickle.Unpickler', | |
| 28 'cPickle.loads', | |
| 29 'cPickle.load', | |
| 30 'cPickle.Unpickler', | |
| 31 'dill.loads', | |
| 32 'dill.load', | |
| 33 'dill.Unpickler', | |
| 34 'shelve.open', | |
| 35 'shelve.DbfilenameShelf'], | |
| 36 "M"), | |
| 37 'S302': ([ | |
| 38 'marshal.load', | |
| 39 'marshal.loads'], | |
| 40 "M"), | |
| 41 'S303': ([ | |
| 42 'hashlib.md5', | |
| 43 'hashlib.sha1', | |
| 44 'Crypto.Hash.MD2.new', | |
| 45 'Crypto.Hash.MD4.new', | |
| 46 'Crypto.Hash.MD5.new', | |
| 47 'Crypto.Hash.SHA.new', | |
| 48 'Cryptodome.Hash.MD2.new', | |
| 49 'Cryptodome.Hash.MD4.new', | |
| 50 'Cryptodome.Hash.MD5.new', | |
| 51 'Cryptodome.Hash.SHA.new', | |
| 52 'cryptography.hazmat.primitives.hashes.MD5', | |
| 53 'cryptography.hazmat.primitives.hashes.SHA1'], | |
| 54 "M"), | |
| 55 'S304': ([ | |
| 56 'Crypto.Cipher.ARC2.new', | |
| 57 'Crypto.Cipher.ARC4.new', | |
| 58 'Crypto.Cipher.Blowfish.new', | |
| 59 'Crypto.Cipher.DES.new', | |
| 60 'Crypto.Cipher.XOR.new', | |
| 61 'Cryptodome.Cipher.ARC2.new', | |
| 62 'Cryptodome.Cipher.ARC4.new', | |
| 63 'Cryptodome.Cipher.Blowfish.new', | |
| 64 'Cryptodome.Cipher.DES.new', | |
| 65 'Cryptodome.Cipher.XOR.new', | |
| 66 'cryptography.hazmat.primitives.ciphers.algorithms.ARC4', | |
| 67 'cryptography.hazmat.primitives.ciphers.algorithms.Blowfish', | |
| 68 'cryptography.hazmat.primitives.ciphers.algorithms.IDEA'], | |
| 69 "H"), | |
| 70 'S305': ([ | |
| 71 'cryptography.hazmat.primitives.ciphers.modes.ECB'], | |
| 72 "M"), | |
| 73 'S306': ([ | |
| 74 'tempfile.mktemp'], | |
| 75 "M"), | |
| 76 'S307': ([ | |
| 77 'eval'], | |
| 78 "M"), | |
| 79 'S308': ([ | |
| 80 'django.utils.safestring.mark_safe'], | |
| 81 "M"), | |
| 82 'S309': ([ | |
| 83 'httplib.HTTPSConnection', | |
| 84 'http.client.HTTPSConnection', | |
| 85 'six.moves.http_client.HTTPSConnection'], | |
| 86 "M"), | |
| 87 'S310': ([ | |
| 88 'urllib.urlopen', | |
| 89 'urllib.request.urlopen', | |
| 90 'urllib.urlretrieve', | |
| 91 'urllib.request.urlretrieve', | |
| 92 'urllib.URLopener', | |
| 93 'urllib.request.URLopener', | |
| 94 'urllib.FancyURLopener', | |
| 95 'urllib.request.FancyURLopener', | |
| 96 'urllib2.urlopen', | |
| 97 'urllib2.Request', | |
| 98 'six.moves.urllib.request.urlopen', | |
| 99 'six.moves.urllib.request.urlretrieve', | |
| 100 'six.moves.urllib.request.URLopener', | |
| 101 'six.moves.urllib.request.FancyURLopener'], | |
| 102 ""), | |
| 103 'S311': ([ | |
| 104 'random.random', | |
| 105 'random.randrange', | |
| 106 'random.randint', | |
| 107 'random.choice', | |
| 108 'random.uniform', | |
| 109 'random.triangular'], | |
| 110 "L"), | |
| 111 'S312': ([ | |
| 112 'telnetlib.*'], | |
| 113 "H"), | |
| 114 'S313': ([ | |
| 115 'xml.etree.cElementTree.parse', | |
| 116 'xml.etree.cElementTree.iterparse', | |
| 117 'xml.etree.cElementTree.fromstring', | |
| 118 'xml.etree.cElementTree.XMLParser'], | |
| 119 "M"), | |
| 120 'S314': ([ | |
| 121 'xml.etree.ElementTree.parse', | |
| 122 'xml.etree.ElementTree.iterparse', | |
| 123 'xml.etree.ElementTree.fromstring', | |
| 124 'xml.etree.ElementTree.XMLParser'], | |
| 125 "M"), | |
| 126 'S315': ([ | |
| 127 'xml.sax.expatreader.create_parser'], | |
| 128 "M"), | |
| 129 'S316': ([ | |
| 130 'xml.dom.expatbuilder.parse', | |
| 131 'xml.dom.expatbuilder.parseString'], | |
| 132 "M"), | |
| 133 'S317': ([ | |
| 134 'xml.sax.parse', | |
| 135 'xml.sax.parseString', | |
| 136 'xml.sax.make_parser'], | |
| 137 "M"), | |
| 138 'S318': ([ | |
| 139 'xml.dom.minidom.parse', | |
| 140 'xml.dom.minidom.parseString'], | |
| 141 "M"), | |
| 142 'S319': ([ | |
| 143 'xml.dom.pulldom.parse', | |
| 144 'xml.dom.pulldom.parseString'], | |
| 145 "M"), | |
| 146 'S320': ([ | |
| 147 'lxml.etree.parse', | |
| 148 'lxml.etree.fromstring', | |
| 149 'lxml.etree.RestrictedElement', | |
| 150 'lxml.etree.GlobalParserTLS', | |
| 151 'lxml.etree.getDefaultParser', | |
| 152 'lxml.etree.check_docinfo'], | |
| 153 "M"), | |
| 154 'S321': ([ | |
| 155 'ftplib.*'], | |
| 156 "H"), | |
| 157 'S322': ([ | |
| 158 'input'], | |
| 159 "H"), | |
| 160 'S323': ([ | |
| 161 'ssl._create_unverified_context'], | |
| 162 "M"), | |
| 163 'S324': ([ | |
| 164 'os.tempnam', | |
| 165 'os.tmpnam'], | |
| 166 "M"), | |
| 167 } | |
| 168 | |
| 169 | |
| 170 def getChecks(): | |
| 171 """ | |
| 172 Public method to get a dictionary with checks handled by this module. | |
| 173 | |
| 174 @return dictionary containing checker lists containing checker function and | |
| 175 list of codes | |
| 176 @rtype dict | |
| 177 """ | |
| 178 return { | |
| 179 "Call": [ | |
| 180 (checkBlacklist, tuple(_blacklists.keys())), | |
| 181 ], | |
| 182 } | |
| 183 | |
| 184 | |
| 185 def checkBlacklist(reportError, context, config): | |
| 186 """ | |
| 187 Function to check for blacklisted method calls. | |
| 188 | |
| 189 @param reportError function to be used to report errors | |
| 190 @type func | |
| 191 @param context security context object | |
| 192 @type SecurityContext | |
| 193 @param config dictionary with configuration data | |
| 194 @type dict | |
| 195 """ | |
| 196 nodeType = context.node.__class__.__name__ | |
| 197 | |
| 198 if nodeType == 'Call': | |
| 199 func = context.node.func | |
| 200 if isinstance(func, ast.Name) and func.id == '__import__': | |
| 201 if len(context.node.args): | |
| 202 if AstUtilities.isString(context.node.args[0]): | |
| 203 name = context.node.args[0].s | |
| 204 else: | |
| 205 name = "UNKNOWN" | |
| 206 else: | |
| 207 name = "" # handle '__import__()' | |
| 208 else: | |
| 209 name = context.callFunctionNameQual | |
| 210 # In the case the Call is an importlib.import, treat the first | |
| 211 # argument name as an actual import module name. | |
| 212 # Will produce None if argument is not a literal or identifier. | |
| 213 if name in ["importlib.import_module", "importlib.__import__"]: | |
| 214 name = context.callArgs[0] | |
| 215 | |
| 216 for code in _blacklists: | |
| 217 qualnames, severity = _blacklists[code] | |
| 218 for qualname in qualnames: | |
| 219 if name and fnmatch.fnmatch(name, qualname): | |
| 220 reportError( | |
| 221 context.node.lineno - 1, | |
| 222 context.node.col_offset, | |
| 223 code, | |
| 224 severity, | |
| 225 "H", | |
| 226 name | |
| 227 ) |
