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90 lines
2.3 KiB
90 lines
2.3 KiB
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package whisperv6
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import (
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"bytes"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/whisper/whisperv6"
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)
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type MessageParams struct {
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Topic whisperv6.TopicType
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WorkTime uint32
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TTL uint32
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KeySym []byte
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Payload []byte
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}
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//export fuzzer_entry
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func Fuzz(input []byte) int {
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var paramsDecoded MessageParams
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err := rlp.DecodeBytes(input, ¶msDecoded)
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if err != nil {
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return 0
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}
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var params whisperv6.MessageParams
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params.KeySym = make([]byte, 32)
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if len(paramsDecoded.KeySym) <= 32 {
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copy(params.KeySym, paramsDecoded.KeySym)
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}
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if input[0] == 255 {
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params.PoW = 0.01
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params.WorkTime = 1
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} else {
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params.PoW = 0
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params.WorkTime = 0
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}
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params.TTL = paramsDecoded.TTL
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params.Payload = paramsDecoded.Payload
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text := make([]byte, 0, 512)
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text = append(text, params.Payload...)
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params.Topic = paramsDecoded.Topic
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params.Src, err = crypto.GenerateKey()
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if err != nil {
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return 0
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}
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msg, err := whisperv6.NewSentMessage(¶ms)
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if err != nil {
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panic(err)
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//return
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}
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env, err := msg.Wrap(¶ms)
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if err != nil {
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panic(err)
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}
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decrypted, err := env.OpenSymmetric(params.KeySym)
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if err != nil {
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panic(err)
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}
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if !decrypted.ValidateAndParse() {
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panic("ValidateAndParse failed")
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}
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if !bytes.Equal(text, decrypted.Payload) {
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panic("text != decrypted.Payload")
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}
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if len(decrypted.Signature) != 65 {
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panic("Unexpected signature length")
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}
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if !whisperv6.IsPubKeyEqual(decrypted.Src, ¶ms.Src.PublicKey) {
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panic("Unexpected public key")
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}
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return 0
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}
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