accounts: move fuzzers into native packages (ethereum#28467)

accounts/abi/abifuzzer_test.go

@@ -0,0 +1,178 @@
+// Copyright 2020 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package abi
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+	"testing"
+
+	fuzz "github.com/google/gofuzz"
+)
+
+// TestReplicate can be used to replicate crashers from the fuzzing tests.
+// Just replace testString with the data in .quoted
+func TestReplicate(t *testing.T) {
+	//t.Skip("Test only useful for reproducing issues")
+	fuzzAbi([]byte("\x20\x20\x20\x20\x20\x20\x20\x20\x80\x00\x00\x00\x20\x20\x20\x20\x00"))
+	//fuzzAbi([]byte("asdfasdfkadsf;lasdf;lasd;lfk"))
+}
+
+// FuzzABI is the main entrypoint for fuzzing
+func FuzzABI(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		fuzzAbi(data)
+	})
+}
+
+var (
+	names    = []string{"_name", "name", "NAME", "name_", "__", "_name_", "n"}
+	stateMut = []string{"pure", "view", "payable"}
+	pays     = []string{"true", "false"}
+	vNames   = []string{"a", "b", "c", "d", "e", "f", "g"}
+	varNames = append(vNames, names...)
+	varTypes = []string{"bool", "address", "bytes", "string",
+		"uint8", "int8", "uint8", "int8", "uint16", "int16",
+		"uint24", "int24", "uint32", "int32", "uint40", "int40", "uint48", "int48", "uint56", "int56",
+		"uint64", "int64", "uint72", "int72", "uint80", "int80", "uint88", "int88", "uint96", "int96",
+		"uint104", "int104", "uint112", "int112", "uint120", "int120", "uint128", "int128", "uint136", "int136",
+		"uint144", "int144", "uint152", "int152", "uint160", "int160", "uint168", "int168", "uint176", "int176",
+		"uint184", "int184", "uint192", "int192", "uint200", "int200", "uint208", "int208", "uint216", "int216",
+		"uint224", "int224", "uint232", "int232", "uint240", "int240", "uint248", "int248", "uint256", "int256",
+		"bytes1", "bytes2", "bytes3", "bytes4", "bytes5", "bytes6", "bytes7", "bytes8", "bytes9", "bytes10", "bytes11",
+		"bytes12", "bytes13", "bytes14", "bytes15", "bytes16", "bytes17", "bytes18", "bytes19", "bytes20", "bytes21",
+		"bytes22", "bytes23", "bytes24", "bytes25", "bytes26", "bytes27", "bytes28", "bytes29", "bytes30", "bytes31",
+		"bytes32", "bytes"}
+)
+
+func unpackPack(abi ABI, method string, input []byte) ([]interface{}, bool) {
+	if out, err := abi.Unpack(method, input); err == nil {
+		_, err := abi.Pack(method, out...)
+		if err != nil {
+			// We have some false positives as we can unpack these type successfully, but not pack them
+			if err.Error() == "abi: cannot use []uint8 as type [0]int8 as argument" ||
+				err.Error() == "abi: cannot use uint8 as type int8 as argument" {
+				return out, false
+			}
+			panic(err)
+		}
+		return out, true
+	}
+	return nil, false
+}
+
+func packUnpack(abi ABI, method string, input *[]interface{}) bool {
+	if packed, err := abi.Pack(method, input); err == nil {
+		outptr := reflect.New(reflect.TypeOf(input))
+		err := abi.UnpackIntoInterface(outptr.Interface(), method, packed)
+		if err != nil {
+			panic(err)
+		}
+		out := outptr.Elem().Interface()
+		if !reflect.DeepEqual(input, out) {
+			panic(fmt.Sprintf("unpackPack is not equal, \ninput : %x\noutput: %x", input, out))
+		}
+		return true
+	}
+	return false
+}
+
+type arg struct {
+	name string
+	typ  string
+}
+
+func createABI(name string, stateMutability, payable *string, inputs []arg) (ABI, error) {
+	sig := fmt.Sprintf(`[{ "type" : "function", "name" : "%v" `, name)
+	if stateMutability != nil {
+		sig += fmt.Sprintf(`, "stateMutability": "%v" `, *stateMutability)
+	}
+	if payable != nil {
+		sig += fmt.Sprintf(`, "payable": %v `, *payable)
+	}
+	if len(inputs) > 0 {
+		sig += `, "inputs" : [ {`
+		for i, inp := range inputs {
+			sig += fmt.Sprintf(`"name" : "%v", "type" : "%v" `, inp.name, inp.typ)
+			if i+1 < len(inputs) {
+				sig += ","
+			}
+		}
+		sig += "} ]"
+		sig += `, "outputs" : [ {`
+		for i, inp := range inputs {
+			sig += fmt.Sprintf(`"name" : "%v", "type" : "%v" `, inp.name, inp.typ)
+			if i+1 < len(inputs) {
+				sig += ","
+			}
+		}
+		sig += "} ]"
+	}
+	sig += `}]`
+	//fmt.Printf("sig: %s\n", sig)
+	return JSON(strings.NewReader(sig))
+}
+
+func fuzzAbi(input []byte) {
+	var (
+		fuzzer    = fuzz.NewFromGoFuzz(input)
+		name      = oneOf(fuzzer, names)
+		stateM    = oneOfOrNil(fuzzer, stateMut)
+		payable   = oneOfOrNil(fuzzer, pays)
+		arguments []arg
+	)
+	for i := 0; i < upTo(fuzzer, 10); i++ {
+		argName := oneOf(fuzzer, varNames)
+		argTyp := oneOf(fuzzer, varTypes)
+		switch upTo(fuzzer, 10) {
+		case 0: // 10% chance to make it a slice
+			argTyp += "[]"
+		case 1: // 10% chance to make it an array
+			argTyp += fmt.Sprintf("[%d]", 1+upTo(fuzzer, 30))
+		default:
+		}
+		arguments = append(arguments, arg{name: argName, typ: argTyp})
+	}
+	abi, err := createABI(name, stateM, payable, arguments)
+	if err != nil {
+		//fmt.Printf("err: %v\n", err)
+		panic(err)
+	}
+	structs, _ := unpackPack(abi, name, input)
+	_ = packUnpack(abi, name, &structs)
+}
+
+func upTo(fuzzer *fuzz.Fuzzer, max int) int {
+	var i int
+	fuzzer.Fuzz(&i)
+	if i < 0 {
+		return (-1 - i) % max
+	}
+	return i % max
+}
+
+func oneOf(fuzzer *fuzz.Fuzzer, options []string) string {
+	return options[upTo(fuzzer, len(options))]
+}
+
+func oneOfOrNil(fuzzer *fuzz.Fuzzer, options []string) *string {
+	if i := upTo(fuzzer, len(options)+1); i < len(options) {
+		return &options[i]
+	}
+	return nil
+}

accounts/keystore/keystore_fuzzing_test.go

@@ -0,0 +1,34 @@
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package keystore
+
+import (
+	"testing"
+)
+
+func FuzzPassword(f *testing.F) {
+	f.Fuzz(func(t *testing.T, password string) {
+		ks := NewKeyStore(t.TempDir(), LightScryptN, LightScryptP)
+		a, err := ks.NewAccount(password)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if err := ks.Unlock(a, password); err != nil {
+			t.Fatal(err)
+		}
+	})
+}