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michaelnebelmichaelnebel
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C#: Convert Newtonsoft.Json.JsonConvert flow to CSV format.
1 parent a4bea05 commit 90e4950

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1 file changed

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-39
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1 file changed

+68
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‎csharp/ql/lib/semmle/code/csharp/frameworks/JsonNET.qll

Lines changed: 68 additions & 39 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,7 @@
44

55
import csharp
66
private import semmle.code.csharp.dataflow.LibraryTypeDataFlow
7+
private import semmle.code.csharp.dataflow.ExternalFlow
78

89
/** Definitions relating to the `Json.NET` package. */
910
module JsonNET {
@@ -31,15 +32,9 @@ module JsonNET {
3132
}
3233

3334
/** The class `Newtonsoft.Json.JsonConvert`. */
34-
class JsonConvertClass extends JsonClass, LibraryTypeDataFlow {
35+
class JsonConvertClass extends JsonClass {
3536
JsonConvertClass() { this.hasName("JsonConvert") }
3637

37-
/** Gets a `ToString` method. */
38-
private Method getAToStringMethod() {
39-
result = this.getAMethod("ToString") and
40-
result.isStatic()
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}
42-
4338
/** Gets a `Deserialize` method. */
4439
Method getADeserializeMethod() {
4540
result = this.getAMethod() and
@@ -51,39 +46,73 @@ module JsonNET {
5146
result = this.getAMethod() and
5247
result.getName().matches("Serialize%")
5348
}
49+
}
5450

55-
private Method getAPopulateMethod() {
56-
result = this.getAMethod() and
57-
result.getName().matches("Populate%")
58-
}
59-
60-
override predicate callableFlow(
61-
CallableFlowSource source, CallableFlowSink sink, SourceDeclarationCallable c,
62-
boolean preservesValue
63-
) {
64-
// ToString methods
65-
c = this.getAToStringMethod() and
66-
preservesValue = false and
67-
source = any(CallableFlowSourceArg arg | arg.getArgumentIndex() = 0) and
68-
sink instanceof CallableFlowSinkReturn
69-
or
70-
// Deserialize methods
71-
c = this.getADeserializeMethod() and
72-
preservesValue = false and
73-
source = any(CallableFlowSourceArg arg | arg.getArgumentIndex() = 0) and
74-
sink instanceof CallableFlowSinkReturn
75-
or
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// Serialize methods
77-
c = this.getASerializeMethod() and
78-
preservesValue = false and
79-
source = any(CallableFlowSourceArg arg | arg.getArgumentIndex() = 0) and
80-
sink instanceof CallableFlowSinkReturn
81-
or
82-
// Populate methods
83-
c = this.getAPopulateMethod() and
84-
preservesValue = false and
85-
source = any(CallableFlowSourceArg arg | arg.getArgumentIndex() = 0) and
86-
sink = any(CallableFlowSinkArg arg | arg.getArgumentIndex() = 1)
51+
/** Data flow for `Newtonsoft.Json.JsonConvert`. */
52+
private class JsonConvertClassFlowModelCsv extends SummaryModelCsv {
53+
override predicate row(string row) {
54+
row =
55+
[
56+
"Newtonsoft.Json;JsonConvert;false;DeserializeAnonymousType<>;(System.String,T);;Argument[0];ReturnValue;taint",
57+
"Newtonsoft.Json;JsonConvert;false;DeserializeAnonymousType<>;(System.String,T,Newtonsoft.Json.JsonSerializerSettings);;Argument[0];ReturnValue;taint",
58+
"Newtonsoft.Json;JsonConvert;false;DeserializeObject;(System.String);;Argument[0];ReturnValue;taint",
59+
"Newtonsoft.Json;JsonConvert;false;DeserializeObject;(System.String,Newtonsoft.Json.JsonSerializerSettings);;Argument[0];ReturnValue;taint",
60+
"Newtonsoft.Json;JsonConvert;false;DeserializeObject;(System.String,System.Type);;Argument[0];ReturnValue;taint",
61+
"Newtonsoft.Json;JsonConvert;false;DeserializeObject;(System.String,System.Type,Newtonsoft.Json.JsonConverter[]);;Argument[0];ReturnValue;taint",
62+
"Newtonsoft.Json;JsonConvert;false;DeserializeObject;(System.String,System.Type,Newtonsoft.Json.JsonSerializerSettings);;Argument[0];ReturnValue;taint",
63+
"Newtonsoft.Json;JsonConvert;false;DeserializeObject<>;(System.String);;Argument[0];ReturnValue;taint",
64+
"Newtonsoft.Json;JsonConvert;false;DeserializeObject<>;(System.String,Newtonsoft.Json.JsonConverter[]);;Argument[0];ReturnValue;taint",
65+
"Newtonsoft.Json;JsonConvert;false;DeserializeObject<>;(System.String,Newtonsoft.Json.JsonSerializerSettings);;Argument[0];ReturnValue;taint",
66+
"Newtonsoft.Json;JsonConvert;false;DeserializeXNode;(System.String);;Argument[0];ReturnValue;taint",
67+
"Newtonsoft.Json;JsonConvert;false;DeserializeXNode;(System.String,System.String);;Argument[0];ReturnValue;taint",
68+
"Newtonsoft.Json;JsonConvert;false;DeserializeXNode;(System.String,System.String,System.Boolean);;Argument[0];ReturnValue;taint",
69+
"Newtonsoft.Json;JsonConvert;false;DeserializeXNode;(System.String,System.String,System.Boolean,System.Boolean);;Argument[0];ReturnValue;taint",
70+
"Newtonsoft.Json;JsonConvert;false;DeserializeXmlNode;(System.String);;Argument[0];ReturnValue;taint",
71+
"Newtonsoft.Json;JsonConvert;false;DeserializeXmlNode;(System.String,System.String);;Argument[0];ReturnValue;taint",
72+
"Newtonsoft.Json;JsonConvert;false;DeserializeXmlNode;(System.String,System.String,System.Boolean);;Argument[0];ReturnValue;taint",
73+
"Newtonsoft.Json;JsonConvert;false;DeserializeXmlNode;(System.String,System.String,System.Boolean,System.Boolean);;Argument[0];ReturnValue;taint",
74+
"Newtonsoft.Json;JsonConvert;false;PopulateObject;(System.String,System.Object);;Argument[0];Argument[1];taint",
75+
"Newtonsoft.Json;JsonConvert;false;PopulateObject;(System.String,System.Object,Newtonsoft.Json.JsonSerializerSettings);;Argument[0];Argument[1];taint",
76+
"Newtonsoft.Json;JsonConvert;false;SerializeObject;(System.Object);;Argument[0];ReturnValue;taint",
77+
"Newtonsoft.Json;JsonConvert;false;SerializeObject;(System.Object,Newtonsoft.Json.Formatting);;Argument[0];ReturnValue;taint",
78+
"Newtonsoft.Json;JsonConvert;false;SerializeObject;(System.Object,Newtonsoft.Json.Formatting,Newtonsoft.Json.JsonConverter[]);;Argument[0];ReturnValue;taint",
79+
"Newtonsoft.Json;JsonConvert;false;SerializeObject;(System.Object,Newtonsoft.Json.Formatting,Newtonsoft.Json.JsonSerializerSettings);;Argument[0];ReturnValue;taint",
80+
"Newtonsoft.Json;JsonConvert;false;SerializeObject;(System.Object,Newtonsoft.Json.JsonConverter[]);;Argument[0];ReturnValue;taint",
81+
"Newtonsoft.Json;JsonConvert;false;SerializeObject;(System.Object,Newtonsoft.Json.JsonSerializerSettings);;Argument[0];ReturnValue;taint",
82+
"Newtonsoft.Json;JsonConvert;false;SerializeObject;(System.Object,System.Type,Newtonsoft.Json.Formatting,Newtonsoft.Json.JsonSerializerSettings);;Argument[0];ReturnValue;taint",
83+
"Newtonsoft.Json;JsonConvert;false;SerializeObject;(System.Object,System.Type,Newtonsoft.Json.JsonSerializerSettings);;Argument[0];ReturnValue;taint",
84+
"Newtonsoft.Json;JsonConvert;false;SerializeXNode;(System.Xml.Linq.XObject);;Argument[0];ReturnValue;taint",
85+
"Newtonsoft.Json;JsonConvert;false;SerializeXNode;(System.Xml.Linq.XObject,Newtonsoft.Json.Formatting);;Argument[0];ReturnValue;taint",
86+
"Newtonsoft.Json;JsonConvert;false;SerializeXNode;(System.Xml.Linq.XObject,Newtonsoft.Json.Formatting,System.Boolean);;Argument[0];ReturnValue;taint",
87+
"Newtonsoft.Json;JsonConvert;false;SerializeXmlNode;(System.Xml.XmlNode);;Argument[0];ReturnValue;taint",
88+
"Newtonsoft.Json;JsonConvert;false;SerializeXmlNode;(System.Xml.XmlNode,Newtonsoft.Json.Formatting);;Argument[0];ReturnValue;taint",
89+
"Newtonsoft.Json;JsonConvert;false;SerializeXmlNode;(System.Xml.XmlNode,Newtonsoft.Json.Formatting,System.Boolean);;Argument[0];ReturnValue;taint",
90+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Boolean);;Argument[0];ReturnValue;taint",
91+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Byte);;Argument[0];ReturnValue;taint",
92+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Char);;Argument[0];ReturnValue;taint",
93+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.DateTime);;Argument[0];ReturnValue;taint",
94+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.DateTime,Newtonsoft.Json.DateFormatHandling,Newtonsoft.Json.DateTimeZoneHandling);;Argument[0];ReturnValue;taint",
95+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.DateTimeOffset);;Argument[0];ReturnValue;taint",
96+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.DateTimeOffset,Newtonsoft.Json.DateFormatHandling);;Argument[0];ReturnValue;taint",
97+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Decimal);;Argument[0];ReturnValue;taint",
98+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Double);;Argument[0];ReturnValue;taint",
99+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Enum);;Argument[0];ReturnValue;taint",
100+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Guid);;Argument[0];ReturnValue;taint",
101+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Int16);;Argument[0];ReturnValue;taint",
102+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Int32);;Argument[0];ReturnValue;taint",
103+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Int64);;Argument[0];ReturnValue;taint",
104+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Object);;Argument[0];ReturnValue;taint",
105+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.SByte);;Argument[0];ReturnValue;taint",
106+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Single);;Argument[0];ReturnValue;taint",
107+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.String);;Argument[0];ReturnValue;taint",
108+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.String,System.Char);;Argument[0];ReturnValue;taint",
109+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.String,System.Char,Newtonsoft.Json.StringEscapeHandling);;Argument[0];ReturnValue;taint",
110+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.TimeSpan);;Argument[0];ReturnValue;taint",
111+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.UInt16);;Argument[0];ReturnValue;taint",
112+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.UInt32);;Argument[0];ReturnValue;taint",
113+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.UInt64);;Argument[0];ReturnValue;taint",
114+
"Newtonsoft.Json;JsonConvert;false;ToString;(System.Uri);;Argument[0];ReturnValue;taint",
115+
]
87116
}
88117
}
89118

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