Model additions to encoding in Go 1.24

Add models for `BinaryAppender` and `TextAppender`.

Author: owen-mc

go/ql/lib/ext/encoding.model.yml

@@ -3,7 +3,11 @@ extensions:
       pack: codeql/go-all
       extensible: summaryModel
     data:
+      - ["encoding", "BinaryAppender", True, "AppendBinary", "", "", "Argument[receiver]", "ReturnValue[0]", "taint", "manual"]
+      - ["encoding", "BinaryAppender", True, "AppendBinary", "", "", "Argument[0]", "ReturnValue[0]", "taint", "manual"]
       - ["encoding", "BinaryMarshaler", True, "MarshalBinary", "", "", "Argument[receiver]", "ReturnValue[0]", "taint", "manual"]
       - ["encoding", "BinaryUnmarshaler", True, "UnmarshalBinary", "", "", "Argument[0]", "Argument[receiver]", "taint", "manual"]
+      - ["encoding", "TextAppender", True, "AppendText", "", "", "Argument[receiver]", "ReturnValue[0]", "taint", "manual"]
+      - ["encoding", "TextAppender", True, "AppendText", "", "", "Argument[0]", "ReturnValue[0]", "taint", "manual"]
       - ["encoding", "TextMarshaler", True, "MarshalText", "", "", "Argument[receiver]", "ReturnValue[0]", "taint", "manual"]
       - ["encoding", "TextUnmarshaler", True, "UnmarshalText", "", "", "Argument[0]", "Argument[receiver]", "taint", "manual"]

go/ql/test/library-tests/semmle/go/frameworks/StdlibTaintFlow/Encoding.go

@@ -1,5 +1,3 @@
-// Code generated by https://github.com/gagliardetto/codebox. DO NOT EDIT.
-
 package main
 
 import "encoding"
@@ -30,6 +28,34 @@ func TaintStepTest_EncodingTextUnmarshalerUnmarshalText_B0I0O0(sourceCQL interfa
 	return intoTextUnmarshaler443
 }
 
+func TaintStepTest_EncodingBinaryAppenderAppendBinary_manual1(sourceCQL interface{}) interface{} {
+	fromBinaryAppender := sourceCQL.(encoding.BinaryAppender)
+	var arg0 []byte
+	intoByte, _ := fromBinaryAppender.AppendBinary(arg0)
+	return intoByte
+}
+
+func TaintStepTest_EncodingBinaryAppenderAppendBinary_manual2(sourceCQL interface{}) interface{} {
+	var recv encoding.BinaryAppender
+	fromByteSlice := sourceCQL.([]byte)
+	intoByte, _ := recv.AppendBinary(fromByteSlice)
+	return intoByte
+}
+
+func TaintStepTest_EncodingTextAppenderAppendText_manual1(sourceCQL interface{}) interface{} {
+	fromTextAppender := sourceCQL.(encoding.TextAppender)
+	var arg0 []byte
+	intoByte, _ := fromTextAppender.AppendText(arg0)
+	return intoByte
+}
+
+func TaintStepTest_EncodingTextAppenderAppendText_manual2(sourceCQL interface{}) interface{} {
+	var recv encoding.TextAppender
+	fromByteSlice := sourceCQL.([]byte)
+	intoByte, _ := recv.AppendText(fromByteSlice)
+	return intoByte
+}
+
 func RunAllTaints_Encoding() {
 	{
 		source := newSource(0)
@@ -51,4 +77,24 @@ func RunAllTaints_Encoding() {
 		out := TaintStepTest_EncodingTextUnmarshalerUnmarshalText_B0I0O0(source)
 		sink(3, out)
 	}
+	{
+		source := newSource(4)
+		out := TaintStepTest_EncodingBinaryAppenderAppendBinary_manual1(source)
+		sink(4, out)
+	}
+	{
+		source := newSource(5)
+		out := TaintStepTest_EncodingBinaryAppenderAppendBinary_manual2(source)
+		sink(5, out)
+	}
+	{
+		source := newSource(6)
+		out := TaintStepTest_EncodingTextAppenderAppendText_manual1(source)
+		sink(6, out)
+	}
+	{
+		source := newSource(7)
+		out := TaintStepTest_EncodingTextAppenderAppendText_manual2(source)
+		sink(7, out)
+	}
 }