forked from cerc-io/plugeth
cmd/wnode, whisper: add whisper CLI tool and mail server (#3580)
This commit is contained in:
gluk256
Felix Lange
parent
1c140f7382
commit
690f6ea1d7
537
cmd/wnode/main.go
Normal file
537
cmd/wnode/main.go
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@ -0,0 +1,537 @@
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// Copyright 2016 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// go-ethereum 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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// This is a simple Whisper node. It could be used as a stand-alone bootstrap node.
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// Also, could be used for different test and diagnostics purposes.
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package main
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import (
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"bufio"
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"crypto/ecdsa"
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"crypto/sha1"
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"crypto/sha256"
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"crypto/sha512"
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"encoding/binary"
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"encoding/hex"
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"flag"
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"fmt"
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"os"
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"strconv"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/console"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/logger/glog"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/discover"
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"github.com/ethereum/go-ethereum/p2p/nat"
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"github.com/ethereum/go-ethereum/whisper/mailserver"
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whisper "github.com/ethereum/go-ethereum/whisper/whisperv5"
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"golang.org/x/crypto/pbkdf2"
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)
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const quitCommand = "~Q"
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// singletons
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var (
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server *p2p.Server
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shh *whisper.Whisper
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done chan struct{}
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mailServer mailserver.WMailServer
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input = bufio.NewReader(os.Stdin)
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)
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// encryption
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var (
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symKey []byte
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pub *ecdsa.PublicKey
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asymKey *ecdsa.PrivateKey
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nodeid *ecdsa.PrivateKey
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topic whisper.TopicType
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filterID uint32
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msPassword string
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)
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// cmd arguments
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var (
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echoMode = flag.Bool("e", false, "echo mode: prints some arguments for diagnostics")
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bootstrapMode = flag.Bool("b", false, "boostrap node: don't actively connect to peers, wait for incoming connections")
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forwarderMode = flag.Bool("f", false, "forwarder mode: only forward messages, neither send nor decrypt messages")
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mailServerMode = flag.Bool("s", false, "mail server mode: delivers expired messages on demand")
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requestMail = flag.Bool("r", false, "request expired messages from the bootstrap server")
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asymmetricMode = flag.Bool("a", false, "use asymmetric encryption")
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testMode = flag.Bool("t", false, "use of predefined parameters for diagnostics")
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generateKey = flag.Bool("k", false, "generate and show the private key")
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argTTL = flag.Uint("ttl", 30, "time-to-live for messages in seconds")
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argWorkTime = flag.Uint("work", 5, "work time in seconds")
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argPoW = flag.Float64("pow", whisper.MinimumPoW, "PoW for normal messages in float format (e.g. 2.7)")
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argServerPoW = flag.Float64("mspow", whisper.MinimumPoW, "PoW requirement for Mail Server request")
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argIP = flag.String("ip", "", "IP address and port of this node (e.g. 127.0.0.1:30303)")
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argSalt = flag.String("salt", "", "salt (for topic and key derivation)")
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argPub = flag.String("pub", "", "public key for asymmetric encryption")
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argDBPath = flag.String("dbpath", "", "path to the server's DB directory")
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argIDFile = flag.String("idfile", "", "file name with node id (private key)")
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argEnode = flag.String("boot", "", "bootstrap node you want to connect to (e.g. enode://e454......08d50@52.176.211.200:16428)")
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argTopic = flag.String("topic", "", "topic in hexadecimal format (e.g. 70a4beef)")
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)
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func main() {
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processArgs()
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initialize()
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run()
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}
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func processArgs() {
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flag.Parse()
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if len(*argIDFile) > 0 {
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var err error
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nodeid, err = crypto.LoadECDSA(*argIDFile)
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if err != nil {
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utils.Fatalf("Failed to load file [%s]: %s.", *argIDFile, err)
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}
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}
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const enodePrefix = "enode://"
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if len(*argEnode) > 0 {
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if (*argEnode)[:len(enodePrefix)] != enodePrefix {
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*argEnode = enodePrefix + *argEnode
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}
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}
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if len(*argTopic) > 0 {
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x, err := hex.DecodeString(*argTopic)
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if err != nil {
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utils.Fatalf("Failed to parse the topic: %s", err)
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}
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topic = whisper.BytesToTopic(x)
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}
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if *asymmetricMode && len(*argPub) > 0 {
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pub = crypto.ToECDSAPub(common.FromHex(*argPub))
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if !isKeyValid(pub) {
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utils.Fatalf("invalid public key")
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}
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}
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if *echoMode {
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echo()
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}
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}
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func echo() {
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fmt.Printf("ttl = %d \n", *argTTL)
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fmt.Printf("workTime = %d \n", *argWorkTime)
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fmt.Printf("pow = %f \n", *argPoW)
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fmt.Printf("mspow = %f \n", *argServerPoW)
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fmt.Printf("ip = %s \n", *argIP)
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fmt.Printf("salt = %s \n", *argSalt)
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fmt.Printf("pub = %s \n", common.ToHex(crypto.FromECDSAPub(pub)))
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fmt.Printf("idfile = %s \n", *argIDFile)
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fmt.Printf("dbpath = %s \n", *argDBPath)
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fmt.Printf("boot = %s \n", *argEnode)
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}
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func initialize() {
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glog.SetV(logger.Warn)
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glog.SetToStderr(true)
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done = make(chan struct{})
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var peers []*discover.Node
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var err error
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if *generateKey {
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key, err := crypto.GenerateKey()
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if err != nil {
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utils.Fatalf("Failed to generate private key: %s", err)
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}
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k := hex.EncodeToString(crypto.FromECDSA(key))
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fmt.Printf("Random private key: %s \n", k)
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os.Exit(0)
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}
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if *testMode {
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password := []byte("test password for symmetric encryption")
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salt := []byte("test salt for symmetric encryption")
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symKey = pbkdf2.Key(password, salt, 64, 32, sha256.New)
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topic = whisper.TopicType{0xFF, 0xFF, 0xFF, 0xFF}
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msPassword = "mail server test password"
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}
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if *bootstrapMode {
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if len(*argIP) == 0 {
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argIP = scanLineA("Please enter your IP and port (e.g. 127.0.0.1:30348): ")
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}
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} else {
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if len(*argEnode) == 0 {
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argEnode = scanLineA("Please enter the peer's enode: ")
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}
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peer := discover.MustParseNode(*argEnode)
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peers = append(peers, peer)
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}
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if *mailServerMode {
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if len(msPassword) == 0 {
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msPassword, err = console.Stdin.PromptPassword("Please enter the Mail Server password: ")
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if err != nil {
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utils.Fatalf("Failed to read Mail Server password: %s", err)
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}
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}
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shh = whisper.NewWhisper(&mailServer)
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mailServer.Init(shh, *argDBPath, msPassword, *argServerPoW)
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} else {
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shh = whisper.NewWhisper(nil)
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}
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asymKey = shh.NewIdentity()
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if nodeid == nil {
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nodeid = shh.NewIdentity()
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}
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server = &p2p.Server{
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Config: p2p.Config{
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PrivateKey: nodeid,
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MaxPeers: 128,
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Name: common.MakeName("whisper-go", "5.0"),
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Protocols: shh.Protocols(),
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ListenAddr: *argIP,
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NAT: nat.Any(),
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BootstrapNodes: peers,
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StaticNodes: peers,
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TrustedNodes: peers,
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},
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}
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}
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func startServer() {
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err := server.Start()
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if err != nil {
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utils.Fatalf("Failed to start Whisper peer: %s.", err)
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}
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fmt.Printf("my public key: %s \n", common.ToHex(crypto.FromECDSAPub(&asymKey.PublicKey)))
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fmt.Println(server.NodeInfo().Enode)
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if *bootstrapMode {
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configureNode()
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fmt.Println("Bootstrap Whisper node started")
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} else {
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fmt.Println("Whisper node started")
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// first see if we can establish connection, then ask for user input
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waitForConnection(true)
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configureNode()
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}
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if !*forwarderMode {
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fmt.Printf("Please type the message. To quit type: '%s'\n", quitCommand)
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}
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}
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func isKeyValid(k *ecdsa.PublicKey) bool {
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return k.X != nil && k.Y != nil
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}
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func configureNode() {
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var err error
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var p2pAccept bool
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if *forwarderMode {
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return
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}
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if *asymmetricMode {
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if len(*argPub) == 0 {
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s := scanLine("Please enter the peer's public key: ")
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pub = crypto.ToECDSAPub(common.FromHex(s))
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if !isKeyValid(pub) {
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utils.Fatalf("Error: invalid public key")
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}
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}
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}
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if *requestMail {
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p2pAccept = true
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if len(msPassword) == 0 {
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msPassword, err = console.Stdin.PromptPassword("Please enter the Mail Server password: ")
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if err != nil {
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utils.Fatalf("Failed to read Mail Server password: %s", err)
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}
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}
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}
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if !*asymmetricMode && !*forwarderMode && !*testMode {
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pass, err := console.Stdin.PromptPassword("Please enter the password: ")
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if err != nil {
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utils.Fatalf("Failed to read passphrase: %v", err)
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}
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if len(*argSalt) == 0 {
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argSalt = scanLineA("Please enter the salt: ")
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}
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symKey = pbkdf2.Key([]byte(pass), []byte(*argSalt), 65356, 32, sha256.New)
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if len(*argTopic) == 0 {
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generateTopic([]byte(pass), []byte(*argSalt))
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}
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}
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if *mailServerMode {
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if len(*argDBPath) == 0 {
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argDBPath = scanLineA("Please enter the path to DB file: ")
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}
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}
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filter := whisper.Filter{
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KeySym: symKey,
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KeyAsym: asymKey,
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Topics: []whisper.TopicType{topic},
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AcceptP2P: p2pAccept,
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}
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filterID = shh.Watch(&filter)
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fmt.Printf("Filter is configured for the topic: %x \n", topic)
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}
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func generateTopic(password, salt []byte) {
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const rounds = 4000
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const size = 128
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x1 := pbkdf2.Key(password, salt, rounds, size, sha512.New)
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x2 := pbkdf2.Key(password, salt, rounds, size, sha1.New)
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x3 := pbkdf2.Key(x1, x2, rounds, size, sha256.New)
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for i := 0; i < size; i++ {
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topic[i%whisper.TopicLength] ^= x3[i]
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}
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}
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func waitForConnection(timeout bool) {
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var cnt int
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var connected bool
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for !connected {
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time.Sleep(time.Millisecond * 50)
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connected = server.PeerCount() > 0
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if timeout {
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cnt++
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if cnt > 1000 {
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utils.Fatalf("Timeout expired, failed to connect")
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}
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}
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}
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fmt.Println("Connected to peer.")
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}
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func run() {
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defer mailServer.Close()
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startServer()
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defer server.Stop()
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shh.Start(nil)
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defer shh.Stop()
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if !*forwarderMode {
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go messageLoop()
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}
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if *requestMail {
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requestExpiredMessagesLoop()
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} else {
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sendLoop()
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}
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}
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func sendLoop() {
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for {
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s := scanLine("")
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if s == quitCommand {
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fmt.Println("Quit command received")
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close(done)
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break
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}
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sendMsg([]byte(s))
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if *asymmetricMode {
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// print your own message for convenience,
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// because in asymmetric mode it is impossible to decrypt it
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hour, min, sec := time.Now().Clock()
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from := crypto.PubkeyToAddress(asymKey.PublicKey)
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fmt.Printf("\n%02d:%02d:%02d <%x>: %s\n", hour, min, sec, from, s)
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}
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}
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}
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func scanLine(prompt string) string {
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if len(prompt) > 0 {
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fmt.Print(prompt)
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}
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txt, err := input.ReadString('\n')
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if err != nil {
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utils.Fatalf("input error: %s", err)
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}
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txt = strings.TrimRight(txt, "\n\r")
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return txt
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}
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func scanLineA(prompt string) *string {
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s := scanLine(prompt)
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return &s
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}
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func scanUint(prompt string) uint32 {
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s := scanLine(prompt)
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i, err := strconv.Atoi(s)
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if err != nil {
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utils.Fatalf("Fail to parse the lower time limit: %s", err)
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}
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return uint32(i)
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}
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func sendMsg(payload []byte) {
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params := whisper.MessageParams{
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Src: asymKey,
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Dst: pub,
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KeySym: symKey,
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Payload: payload,
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Topic: topic,
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TTL: uint32(*argTTL),
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PoW: *argPoW,
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WorkTime: uint32(*argWorkTime),
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}
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msg := whisper.NewSentMessage(¶ms)
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envelope, err := msg.Wrap(¶ms)
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if err != nil {
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fmt.Printf("failed to seal message: %v \n", err)
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return
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}
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err = shh.Send(envelope)
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if err != nil {
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fmt.Printf("failed to send message: %v \n", err)
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}
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}
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func messageLoop() {
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f := shh.GetFilter(filterID)
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if f == nil {
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utils.Fatalf("filter is not installed")
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}
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ticker := time.NewTicker(time.Millisecond * 50)
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for {
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select {
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case <-ticker.C:
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messages := f.Retrieve()
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for _, msg := range messages {
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printMessageInfo(msg)
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}
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case <-done:
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return
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}
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}
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}
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func printMessageInfo(msg *whisper.ReceivedMessage) {
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timestamp := fmt.Sprintf("%d", msg.Sent) // unix timestamp for diagnostics
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text := string(msg.Payload)
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var address common.Address
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if msg.Src != nil {
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address = crypto.PubkeyToAddress(*msg.Src)
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}
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if whisper.IsPubKeyEqual(msg.Src, &asymKey.PublicKey) {
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fmt.Printf("\n%s <%x>: %s\n", timestamp, address, text) // message from myself
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} else {
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fmt.Printf("\n%s [%x]: %s\n", timestamp, address, text) // message from a peer
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}
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}
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func requestExpiredMessagesLoop() {
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var key, peerID []byte
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var timeLow, timeUpp uint32
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var t string
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var xt, empty whisper.TopicType
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err := shh.AddSymKey(mailserver.MailServerKeyName, []byte(msPassword))
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if err != nil {
|
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utils.Fatalf("Failed to create symmetric key for mail request: %s", err)
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}
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key = shh.GetSymKey(mailserver.MailServerKeyName)
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peerID = extractIdFromEnode(*argEnode)
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shh.MarkPeerTrusted(peerID)
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for {
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timeLow = scanUint("Please enter the lower limit of the time range (unix timestamp): ")
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timeUpp = scanUint("Please enter the upper limit of the time range (unix timestamp): ")
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t = scanLine("Please enter the topic (hexadecimal): ")
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if len(t) >= whisper.TopicLength*2 {
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x, err := hex.DecodeString(t)
|
||||
if err != nil {
|
||||
utils.Fatalf("Failed to parse the topic: %s", err)
|
||||
}
|
||||
xt = whisper.BytesToTopic(x)
|
||||
}
|
||||
if timeUpp == 0 {
|
||||
timeUpp = 0xFFFFFFFF
|
||||
}
|
||||
|
||||
data := make([]byte, 8+whisper.TopicLength)
|
||||
binary.BigEndian.PutUint32(data, timeLow)
|
||||
binary.BigEndian.PutUint32(data[4:], timeUpp)
|
||||
copy(data[8:], xt[:])
|
||||
if xt == empty {
|
||||
data = data[:8]
|
||||
}
|
||||
|
||||
var params whisper.MessageParams
|
||||
params.PoW = *argServerPoW
|
||||
params.Payload = data
|
||||
params.KeySym = key
|
||||
params.Src = nodeid
|
||||
params.WorkTime = 5
|
||||
|
||||
msg := whisper.NewSentMessage(¶ms)
|
||||
env, err := msg.Wrap(¶ms)
|
||||
if err != nil {
|
||||
utils.Fatalf("Wrap failed: %s", err)
|
||||
}
|
||||
|
||||
err = shh.RequestHistoricMessages(peerID, env)
|
||||
if err != nil {
|
||||
utils.Fatalf("Failed to send P2P message: %s", err)
|
||||
}
|
||||
|
||||
time.Sleep(time.Second * 5)
|
||||
}
|
||||
}
|
||||
|
||||
func extractIdFromEnode(s string) []byte {
|
||||
n, err := discover.ParseNode(s)
|
||||
if err != nil {
|
||||
utils.Fatalf("Failed to parse enode: %s", err)
|
||||
return nil
|
||||
}
|
||||
return n.ID[:]
|
||||
}
|
||||
170
whisper/mailserver/mailserver.go
Normal file
170
whisper/mailserver/mailserver.go
Normal file
@ -0,0 +1,170 @@
|
||||
// Copyright 2016 The go-ethereum Authors
|
||||
// This file is part of go-ethereum.
|
||||
//
|
||||
// go-ethereum is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// go-ethereum 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 General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
package mailserver
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/binary"
|
||||
|
||||
"github.com/ethereum/go-ethereum/cmd/utils"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/logger"
|
||||
"github.com/ethereum/go-ethereum/logger/glog"
|
||||
"github.com/ethereum/go-ethereum/rlp"
|
||||
whisper "github.com/ethereum/go-ethereum/whisper/whisperv5"
|
||||
"github.com/syndtr/goleveldb/leveldb"
|
||||
"github.com/syndtr/goleveldb/leveldb/util"
|
||||
)
|
||||
|
||||
const MailServerKeyName = "958e04ab302fb36ad2616a352cbac79d"
|
||||
|
||||
type WMailServer struct {
|
||||
db *leveldb.DB
|
||||
w *whisper.Whisper
|
||||
pow float64
|
||||
key []byte
|
||||
}
|
||||
|
||||
type DBKey struct {
|
||||
timestamp uint32
|
||||
hash common.Hash
|
||||
raw []byte
|
||||
}
|
||||
|
||||
func NewDbKey(t uint32, h common.Hash) *DBKey {
|
||||
const sz = common.HashLength + 4
|
||||
var k DBKey
|
||||
k.timestamp = t
|
||||
k.hash = h
|
||||
k.raw = make([]byte, sz)
|
||||
binary.BigEndian.PutUint32(k.raw, k.timestamp)
|
||||
copy(k.raw[4:], k.hash[:])
|
||||
return &k
|
||||
}
|
||||
|
||||
func (s *WMailServer) Init(shh *whisper.Whisper, path string, password string, pow float64) {
|
||||
var err error
|
||||
if len(path) == 0 {
|
||||
utils.Fatalf("DB file is not specified")
|
||||
}
|
||||
|
||||
if len(password) == 0 {
|
||||
utils.Fatalf("Password is not specified for MailServer")
|
||||
}
|
||||
|
||||
s.db, err = leveldb.OpenFile(path, nil)
|
||||
if err != nil {
|
||||
utils.Fatalf("Failed to open DB file: %s", err)
|
||||
}
|
||||
|
||||
s.w = shh
|
||||
s.pow = pow
|
||||
|
||||
err = s.w.AddSymKey(MailServerKeyName, []byte(password))
|
||||
if err != nil {
|
||||
utils.Fatalf("Failed to create symmetric key for MailServer: %s", err)
|
||||
}
|
||||
s.key = s.w.GetSymKey(MailServerKeyName)
|
||||
}
|
||||
|
||||
func (s *WMailServer) Close() {
|
||||
if s.db != nil {
|
||||
s.db.Close()
|
||||
}
|
||||
}
|
||||
|
||||
func (s *WMailServer) Archive(env *whisper.Envelope) {
|
||||
key := NewDbKey(env.Expiry-env.TTL, env.Hash())
|
||||
rawEnvelope, err := rlp.EncodeToBytes(env)
|
||||
if err != nil {
|
||||
glog.V(logger.Error).Infof("rlp.EncodeToBytes failed: %s", err)
|
||||
} else {
|
||||
err = s.db.Put(key.raw, rawEnvelope, nil)
|
||||
if err != nil {
|
||||
glog.V(logger.Error).Infof("Writing to DB failed: %s", err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (s *WMailServer) DeliverMail(peer *whisper.Peer, request *whisper.Envelope) {
|
||||
ok, lower, upper, topic := s.validate(peer, request)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
|
||||
var err error
|
||||
var zero common.Hash
|
||||
var empty whisper.TopicType
|
||||
kl := NewDbKey(lower, zero)
|
||||
ku := NewDbKey(upper, zero)
|
||||
i := s.db.NewIterator(&util.Range{Start: kl.raw, Limit: ku.raw}, nil)
|
||||
defer i.Release()
|
||||
|
||||
for i.Next() {
|
||||
var envelope whisper.Envelope
|
||||
err = rlp.DecodeBytes(i.Value(), &envelope)
|
||||
if err != nil {
|
||||
glog.V(logger.Error).Infof("RLP decoding failed: %s", err)
|
||||
}
|
||||
|
||||
if topic == empty || envelope.Topic == topic {
|
||||
err = s.w.SendP2PDirect(peer, &envelope)
|
||||
if err != nil {
|
||||
glog.V(logger.Error).Infof("Failed to send direct message to peer: %s", err)
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
err = i.Error()
|
||||
if err != nil {
|
||||
glog.V(logger.Error).Infof("Level DB iterator error: %s", err)
|
||||
}
|
||||
}
|
||||
|
||||
func (s *WMailServer) validate(peer *whisper.Peer, request *whisper.Envelope) (bool, uint32, uint32, whisper.TopicType) {
|
||||
var topic whisper.TopicType
|
||||
if s.pow > 0.0 && request.PoW() < s.pow {
|
||||
return false, 0, 0, topic
|
||||
}
|
||||
|
||||
f := whisper.Filter{KeySym: s.key}
|
||||
decrypted := request.Open(&f)
|
||||
if decrypted == nil {
|
||||
glog.V(logger.Warn).Infof("Failed to decrypt p2p request")
|
||||
return false, 0, 0, topic
|
||||
}
|
||||
|
||||
if len(decrypted.Payload) < 8 {
|
||||
glog.V(logger.Warn).Infof("Undersized p2p request")
|
||||
return false, 0, 0, topic
|
||||
}
|
||||
|
||||
if bytes.Equal(peer.ID(), decrypted.Signature) {
|
||||
glog.V(logger.Warn).Infof("Wrong signature of p2p request")
|
||||
return false, 0, 0, topic
|
||||
}
|
||||
|
||||
lower := binary.BigEndian.Uint32(decrypted.Payload[:4])
|
||||
upper := binary.BigEndian.Uint32(decrypted.Payload[4:8])
|
||||
|
||||
if len(decrypted.Payload) >= 8+whisper.TopicLength {
|
||||
topic = whisper.BytesToTopic(decrypted.Payload[8:])
|
||||
}
|
||||
|
||||
return true, lower, upper, topic
|
||||
}
|
||||
@ -93,12 +93,12 @@ func (api *PublicWhisperAPI) MarkPeerTrusted(peerID hexutil.Bytes) error {
|
||||
// data contains parameters (time frame, payment details, etc.), required
|
||||
// by the remote email-like server. Whisper is not aware about the data format,
|
||||
// it will just forward the raw data to the server.
|
||||
func (api *PublicWhisperAPI) RequestHistoricMessages(peerID hexutil.Bytes, data hexutil.Bytes) error {
|
||||
if api.whisper == nil {
|
||||
return whisperOffLineErr
|
||||
}
|
||||
return api.whisper.RequestHistoricMessages(peerID, data)
|
||||
}
|
||||
//func (api *PublicWhisperAPI) RequestHistoricMessages(peerID hexutil.Bytes, data hexutil.Bytes) error {
|
||||
// if api.whisper == nil {
|
||||
// return whisperOffLineErr
|
||||
// }
|
||||
// return api.whisper.RequestHistoricMessages(peerID, data)
|
||||
//}
|
||||
|
||||
// HasIdentity checks if the whisper node is configured with the private key
|
||||
// of the specified public pair.
|
||||
|
||||
@ -83,5 +83,5 @@ func (e unknownVersionError) Error() string {
|
||||
// in order to bypass the expiry checks.
|
||||
type MailServer interface {
|
||||
Archive(env *Envelope)
|
||||
DeliverMail(whisperPeer *Peer, data []byte)
|
||||
DeliverMail(whisperPeer *Peer, request *Envelope)
|
||||
}
|
||||
|
||||
@ -22,6 +22,7 @@ import (
|
||||
"testing"
|
||||
|
||||
"github.com/ethereum/go-ethereum/crypto"
|
||||
"github.com/ethereum/go-ethereum/rlp"
|
||||
)
|
||||
|
||||
func copyFromBuf(dst []byte, src []byte, beg int) int {
|
||||
@ -311,3 +312,35 @@ func TestEncryptWithZeroKey(t *testing.T) {
|
||||
t.Fatalf("wrapped with nil key, seed: %d.", seed)
|
||||
}
|
||||
}
|
||||
|
||||
func TestRlpEncode(t *testing.T) {
|
||||
InitSingleTest()
|
||||
|
||||
params, err := generateMessageParams()
|
||||
if err != nil {
|
||||
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
|
||||
}
|
||||
msg := NewSentMessage(params)
|
||||
env, err := msg.Wrap(params)
|
||||
if err != nil {
|
||||
t.Fatalf("wrapped with zero key, seed: %d.", seed)
|
||||
}
|
||||
|
||||
raw, err := rlp.EncodeToBytes(env)
|
||||
if err != nil {
|
||||
t.Fatalf("RLP encode failed: %s.", err)
|
||||
}
|
||||
|
||||
var decoded Envelope
|
||||
rlp.DecodeBytes(raw, &decoded)
|
||||
if err != nil {
|
||||
t.Fatalf("RLP decode failed: %s.", err)
|
||||
}
|
||||
|
||||
he := env.Hash()
|
||||
hd := decoded.Hash()
|
||||
|
||||
if he != hd {
|
||||
t.Fatalf("Hashes are not equal: %x vs. %x", he, hd)
|
||||
}
|
||||
}
|
||||
|
||||
@ -175,3 +175,8 @@ func (p *Peer) broadcast() error {
|
||||
glog.V(logger.Detail).Infoln(p.peer, "broadcasted", len(transmit), "message(s)")
|
||||
return nil
|
||||
}
|
||||
|
||||
func (p *Peer) ID() []byte {
|
||||
id := p.peer.ID()
|
||||
return id[:]
|
||||
}
|
||||
|
||||
@ -31,7 +31,6 @@ import (
|
||||
"github.com/ethereum/go-ethereum/logger"
|
||||
"github.com/ethereum/go-ethereum/logger/glog"
|
||||
"github.com/ethereum/go-ethereum/p2p"
|
||||
"github.com/ethereum/go-ethereum/rlp"
|
||||
"golang.org/x/crypto/pbkdf2"
|
||||
set "gopkg.in/fatih/set.v0"
|
||||
)
|
||||
@ -125,13 +124,13 @@ func (w *Whisper) MarkPeerTrusted(peerID []byte) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (w *Whisper) RequestHistoricMessages(peerID []byte, data []byte) error {
|
||||
func (w *Whisper) RequestHistoricMessages(peerID []byte, envelope *Envelope) error {
|
||||
p, err := w.getPeer(peerID)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
p.trusted = true
|
||||
return p2p.Send(p.ws, p2pRequestCode, data)
|
||||
return p2p.Send(p.ws, p2pRequestCode, envelope)
|
||||
}
|
||||
|
||||
func (w *Whisper) SendP2PMessage(peerID []byte, envelope *Envelope) error {
|
||||
@ -142,6 +141,10 @@ func (w *Whisper) SendP2PMessage(peerID []byte, envelope *Envelope) error {
|
||||
return p2p.Send(p.ws, p2pCode, envelope)
|
||||
}
|
||||
|
||||
func (w *Whisper) SendP2PDirect(peer *Peer, envelope *Envelope) error {
|
||||
return p2p.Send(peer.ws, p2pCode, envelope)
|
||||
}
|
||||
|
||||
// NewIdentity generates a new cryptographic identity for the client, and injects
|
||||
// it into the known identities for message decryption.
|
||||
func (w *Whisper) NewIdentity() *ecdsa.PrivateKey {
|
||||
@ -347,9 +350,6 @@ func (wh *Whisper) runMessageLoop(p *Peer, rw p2p.MsgReadWriter) error {
|
||||
return fmt.Errorf("invalid envelope")
|
||||
}
|
||||
p.mark(envelope)
|
||||
if wh.mailServer != nil {
|
||||
wh.mailServer.Archive(envelope)
|
||||
}
|
||||
}
|
||||
case p2pCode:
|
||||
// peer-to-peer message, sent directly to peer bypassing PoW checks, etc.
|
||||
@ -357,25 +357,22 @@ func (wh *Whisper) runMessageLoop(p *Peer, rw p2p.MsgReadWriter) error {
|
||||
// therefore might not satisfy the PoW, expiry and other requirements.
|
||||
// these messages are only accepted from the trusted peer.
|
||||
if p.trusted {
|
||||
var envelopes []*Envelope
|
||||
if err := packet.Decode(&envelopes); err != nil {
|
||||
var envelope Envelope
|
||||
if err := packet.Decode(&envelope); err != nil {
|
||||
glog.V(logger.Warn).Infof("%v: failed to decode direct message: [%v], peer will be disconnected", p.peer, err)
|
||||
return fmt.Errorf("garbage received (directMessage)")
|
||||
}
|
||||
for _, envelope := range envelopes {
|
||||
wh.postEvent(envelope, true)
|
||||
}
|
||||
wh.postEvent(&envelope, true)
|
||||
}
|
||||
case p2pRequestCode:
|
||||
// Must be processed if mail server is implemented. Otherwise ignore.
|
||||
if wh.mailServer != nil {
|
||||
s := rlp.NewStream(packet.Payload, uint64(packet.Size))
|
||||
data, err := s.Bytes()
|
||||
if err == nil {
|
||||
wh.mailServer.DeliverMail(p, data)
|
||||
} else {
|
||||
glog.V(logger.Error).Infof("%v: bad requestHistoricMessages received: [%v]", p.peer, err)
|
||||
var request Envelope
|
||||
if err := packet.Decode(&request); err != nil {
|
||||
glog.V(logger.Warn).Infof("%v: failed to decode p2p request message: [%v], peer will be disconnected", p.peer, err)
|
||||
return fmt.Errorf("garbage received (p2p request)")
|
||||
}
|
||||
wh.mailServer.DeliverMail(p, &request)
|
||||
}
|
||||
default:
|
||||
// New message types might be implemented in the future versions of Whisper.
|
||||
@ -454,6 +451,9 @@ func (wh *Whisper) add(envelope *Envelope) error {
|
||||
} else {
|
||||
glog.V(logger.Detail).Infof("cached whisper envelope [%x]: %v\n", envelope.Hash(), envelope)
|
||||
wh.postEvent(envelope, false) // notify the local node about the new message
|
||||
if wh.mailServer != nil {
|
||||
wh.mailServer.Archive(envelope)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
@ -57,12 +57,6 @@ func TestWhisperBasic(t *testing.T) {
|
||||
if err := w.MarkPeerTrusted(peerID); err == nil {
|
||||
t.Fatalf("failed MarkPeerTrusted.")
|
||||
}
|
||||
if err := w.RequestHistoricMessages(peerID, peerID); err == nil {
|
||||
t.Fatalf("failed RequestHistoricMessages.")
|
||||
}
|
||||
if err := w.SendP2PMessage(peerID, nil); err == nil {
|
||||
t.Fatalf("failed SendP2PMessage.")
|
||||
}
|
||||
exist := w.HasSymKey("non-existing")
|
||||
if exist {
|
||||
t.Fatalf("failed HasSymKey.")
|
||||
|
||||
Loading…
Reference in New Issue
Block a user