91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
// Copyright 2019 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 whisperv6
|
|
|
|
import (
|
|
"bytes"
|
|
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/rlp"
|
|
"github.com/ethereum/go-ethereum/whisper/whisperv6"
|
|
)
|
|
|
|
type MessageParams struct {
|
|
Topic whisperv6.TopicType
|
|
WorkTime uint32
|
|
TTL uint32
|
|
KeySym []byte
|
|
Payload []byte
|
|
}
|
|
|
|
//export fuzzer_entry
|
|
func Fuzz(input []byte) int {
|
|
|
|
var paramsDecoded MessageParams
|
|
err := rlp.DecodeBytes(input, ¶msDecoded)
|
|
if err != nil {
|
|
return 0
|
|
}
|
|
var params whisperv6.MessageParams
|
|
params.KeySym = make([]byte, 32)
|
|
if len(paramsDecoded.KeySym) <= 32 {
|
|
copy(params.KeySym, paramsDecoded.KeySym)
|
|
}
|
|
if input[0] == 255 {
|
|
params.PoW = 0.01
|
|
params.WorkTime = 1
|
|
} else {
|
|
params.PoW = 0
|
|
params.WorkTime = 0
|
|
}
|
|
params.TTL = paramsDecoded.TTL
|
|
params.Payload = paramsDecoded.Payload
|
|
text := make([]byte, 0, 512)
|
|
text = append(text, params.Payload...)
|
|
params.Topic = paramsDecoded.Topic
|
|
params.Src, err = crypto.GenerateKey()
|
|
if err != nil {
|
|
return 0
|
|
}
|
|
msg, err := whisperv6.NewSentMessage(¶ms)
|
|
if err != nil {
|
|
panic(err)
|
|
//return
|
|
}
|
|
env, err := msg.Wrap(¶ms)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
decrypted, err := env.OpenSymmetric(params.KeySym)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if !decrypted.ValidateAndParse() {
|
|
panic("ValidateAndParse failed")
|
|
}
|
|
if !bytes.Equal(text, decrypted.Payload) {
|
|
panic("text != decrypted.Payload")
|
|
}
|
|
if len(decrypted.Signature) != 65 {
|
|
panic("Unexpected signature length")
|
|
}
|
|
if !whisperv6.IsPubKeyEqual(decrypted.Src, ¶ms.Src.PublicKey) {
|
|
panic("Unexpected public key")
|
|
}
|
|
return 0
|
|
}
|