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croc
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Improve error reporting

This commit is contained in:
mathew 2020-08-22 18:05:00 -05:00
parent 827b5d3a86
commit 1b646d5528
11 changed files with 160 additions and 77 deletions
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4
src/cli/cli.go
View File

@ -350,7 +350,9 @@ func receive(c *cli.Context) (err error) {
crocOptions.SharedSecret = utils.GetInput("Enter receive code: ")
}
if c.GlobalString("out") != "" {
os.Chdir(c.GlobalString("out"))
if err = os.Chdir(c.GlobalString("out")); err != nil {
return err
}
}
cr, err := croc.New(crocOptions)

39
src/comm/comm.go
View File

@ -7,8 +7,7 @@ import (
"net"
"time"
"github.com/pkg/errors"
"github.com/schollz/logger"
log "github.com/schollz/logger"
)
const MAXBYTES = 1000000
@ -34,9 +33,15 @@ func NewConnection(address string, timelimit ...time.Duration) (c *Comm, err err
// New returns a new comm
func New(c net.Conn) *Comm {
c.SetReadDeadline(time.Now().Add(3 * time.Hour))
c.SetDeadline(time.Now().Add(3 * time.Hour))
c.SetWriteDeadline(time.Now().Add(3 * time.Hour))
if err := c.SetReadDeadline(time.Now().Add(3 * time.Hour)); err != nil {
log.Warnf("error setting read deadline: %v", err)
}
if err := c.SetDeadline(time.Now().Add(3 * time.Hour)); err != nil {
log.Warnf("error setting overall deadline: %v", err)
}
if err := c.SetWriteDeadline(time.Now().Add(3 * time.Hour)); err != nil {
log.Errorf("error setting write deadline: %v", err)
}
comm := new(Comm)
comm.connection = c
return comm
@ -49,7 +54,9 @@ func (c *Comm) Connection() net.Conn {
// Close closes the connection
func (c *Comm) Close() {
c.connection.Close()
if err := c.connection.Close(); err != nil {
log.Warnf("error closing connection: %v", err)
}
}
func (c *Comm) Write(b []byte) (int, error) {
@ -62,7 +69,7 @@ func (c *Comm) Write(b []byte) (int, error) {
n, err := c.connection.Write(tmpCopy)
if n != len(tmpCopy) {
if err != nil {
err = errors.Wrap(err, fmt.Sprintf("wanted to write %d but wrote %d", len(b), n))
err = fmt.Errorf("wanted to write %d but wrote %d: %w", len(b), n, err)
} else {
err = fmt.Errorf("wanted to write %d but wrote %d", len(b), n)
}
@ -73,7 +80,9 @@ func (c *Comm) Write(b []byte) (int, error) {
func (c *Comm) Read() (buf []byte, numBytes int, bs []byte, err error) {
// long read deadline in case waiting for file
c.connection.SetReadDeadline(time.Now().Add(3 * time.Hour))
if err := c.connection.SetReadDeadline(time.Now().Add(3 * time.Hour)); err != nil {
log.Warnf("error setting read deadline: %v", err)
}
// read until we get 4 bytes for the header
var header []byte
@ -83,7 +92,7 @@ func (c *Comm) Read() (buf []byte, numBytes int, bs []byte, err error) {
n, errRead := c.connection.Read(tmp)
if errRead != nil {
err = errRead
logger.Debugf("initial read error: %s", err.Error())
log.Debugf("initial read error: %v", err)
return
}
header = append(header, tmp[:n]...)
@ -96,27 +105,29 @@ func (c *Comm) Read() (buf []byte, numBytes int, bs []byte, err error) {
rbuf := bytes.NewReader(header)
err = binary.Read(rbuf, binary.LittleEndian, &numBytesUint32)
if err != nil {
err = fmt.Errorf("binary.Read failed: %s", err.Error())
logger.Debug(err.Error())
err = fmt.Errorf("binary.Read failed: %w", err)
log.Debug(err.Error())
return
}
numBytes = int(numBytesUint32)
if numBytes > MAXBYTES {
err = fmt.Errorf("too many bytes: %d", numBytes)
logger.Debug(err)
log.Debug(err)
return
}
buf = make([]byte, 0)
// shorten the reading deadline in case getting weird data
c.connection.SetReadDeadline(time.Now().Add(10 * time.Second))
if err := c.connection.SetReadDeadline(time.Now().Add(10 * time.Second)); err != nil {
log.Warnf("error setting read deadline: %v", err)
}
for {
// log.Debugf("bytes: %d/%d", len(buf), numBytes)
tmp := make([]byte, numBytes-len(buf))
n, errRead := c.connection.Read(tmp)
if errRead != nil {
err = errRead
logger.Debugf("consecutive read error: %s", err.Error())
log.Debugf("consecutive read error: %v", err)
return
}
buf = append(buf, tmp[:n]...)

4
src/comm/comm_test.go
View File

@ -12,7 +12,9 @@ import (
func TestComm(t *testing.T) {
token := make([]byte, MAXBYTES)
rand.Read(token)
if _, err := rand.Read(token); err != nil {
t.Error(err)
}
port := "8001"
go func() {

10
src/compress/compress.go
View File

@ -4,6 +4,8 @@ import (
"bytes"
"compress/flate"
"io"
log "github.com/schollz/logger"
)
// CompressWithOption returns compressed data using the specified level
@ -31,13 +33,17 @@ func Decompress(src []byte) []byte {
// compress uses flate to compress a byte slice to a corresponding level
func compress(src []byte, dest io.Writer, level int) {
compressor, _ := flate.NewWriter(dest, level)
compressor.Write(src)
if _, err := compressor.Write(src); err != nil {
log.Errorf("error writing data: %v", err)
}
compressor.Close()
}
// compress uses flate to decompress an io.Reader
func decompress(src io.Reader, dest io.Writer) {
decompressor := flate.NewReader(src)
io.Copy(dest, decompressor)
if _, err := io.Copy(dest, decompressor); err != nil {
log.Errorf("error copying data: %v", err)
}
decompressor.Close()
}

16
src/compress/compress_test.go
View File

@ -51,7 +51,9 @@ func BenchmarkCompressLevelNine(b *testing.B) {
func BenchmarkCompressLevelMinusTwoBinary(b *testing.B) {
data := make([]byte, 1000000)
rand.Read(data)
if _, err := rand.Read(data); err != nil {
b.Fatal(err)
}
for i := 0; i < b.N; i++ {
CompressWithOption(data, -2)
}
@ -59,7 +61,9 @@ func BenchmarkCompressLevelMinusTwoBinary(b *testing.B) {
func BenchmarkCompressLevelNineBinary(b *testing.B) {
data := make([]byte, 1000000)
rand.Read(data)
if _, err := rand.Read(data); err != nil {
b.Fatal(err)
}
for i := 0; i < b.N; i++ {
CompressWithOption(data, 9)
}
@ -83,12 +87,16 @@ func TestCompress(t *testing.T) {
assert.True(t, len(compressedB) < len(fable))
data := make([]byte, 4096)
rand.Read(data)
if _, err := rand.Read(data); err != nil {
t.Fatal(err)
}
compressedB = CompressWithOption(data, -2)
dataRateSavings = 100 * (1.0 - float64(len(compressedB))/float64(len(data)))
fmt.Printf("random, Level -2: %2.0f%% percent space savings\n", dataRateSavings)
rand.Read(data)
if _, err := rand.Read(data); err != nil {
t.Fatal(err)
}
compressedB = CompressWithOption(data, 9)
dataRateSavings = 100 * (1.0 - float64(len(compressedB))/float64(len(data)))

86
src/croc/croc.go
View File

@ -18,7 +18,13 @@ import (
"time"
"github.com/denisbrodbeck/machineid"
"github.com/pkg/errors"
log "github.com/schollz/logger"
"github.com/schollz/pake/v2"
"github.com/schollz/peerdiscovery"
"github.com/schollz/progressbar/v3"
"github.com/schollz/spinner"
"github.com/tscholl2/siec"
"github.com/schollz/croc/v8/src/comm"
"github.com/schollz/croc/v8/src/compress"
"github.com/schollz/croc/v8/src/crypt"
@ -26,12 +32,6 @@ import (
"github.com/schollz/croc/v8/src/models"
"github.com/schollz/croc/v8/src/tcp"
"github.com/schollz/croc/v8/src/utils"
log "github.com/schollz/logger"
"github.com/schollz/pake/v2"
"github.com/schollz/peerdiscovery"
"github.com/schollz/progressbar/v3"
"github.com/schollz/spinner"
"github.com/tscholl2/siec"
)
func init() {
@ -267,7 +267,7 @@ func (c *Client) broadcastOnLocalNetwork() {
log.Debugf("discoveries: %+v", discoveries)
if err != nil {
log.Debug(err.Error())
log.Debug(err)
}
}
@ -278,7 +278,7 @@ func (c *Client) transferOverLocalRelay(options TransferOptions, errchan chan<-
conn, banner, ipaddr, err := tcp.ConnectToTCPServer("localhost:"+c.Options.RelayPorts[0], c.Options.RelayPassword, c.Options.SharedSecret[:3])
log.Debugf("banner: %s", banner)
if err != nil {
err = errors.Wrap(err, fmt.Sprintf("could not connect to localhost:%s", c.Options.RelayPorts[0]))
err = fmt.Errorf("could not connect to localhost:%s: %w", c.Options.RelayPorts[0], err)
log.Debug(err)
// not really an error because it will try to connect over the actual relay
return
@ -351,7 +351,7 @@ func (c *Client) Send(options TransferOptions) (err error) {
conn, banner, ipaddr, err := tcp.ConnectToTCPServer(c.Options.RelayAddress, c.Options.RelayPassword, c.Options.SharedSecret[:3], 5*time.Second)
log.Debugf("banner: %s", banner)
if err != nil {
err = errors.Wrap(err, fmt.Sprintf("could not connect to %s", c.Options.RelayAddress))
err = fmt.Errorf("could not connect to %s: %w", c.Options.RelayAddress, err)
log.Debug(err)
errchan <- err
return
@ -371,13 +371,15 @@ func (c *Client) Send(options TransferOptions) (err error) {
// get list of local ips
ips, err = utils.GetLocalIPs()
if err != nil {
log.Debugf("error getting local ips: %s", err.Error())
log.Debugf("error getting local ips: %v", err)
}
// prepend the port that is being listened to
ips = append([]string{c.Options.RelayPorts[0]}, ips...)
}
bips, _ := json.Marshal(ips)
conn.Send(bips)
if err := conn.Send(bips); err != nil {
log.Errorf("error sending: %v", err)
}
} else if bytes.Equal(data, []byte("handshake")) {
break
} else if bytes.Equal(data, []byte{1}) {
@ -407,7 +409,7 @@ func (c *Client) Send(options TransferOptions) (err error) {
// return if no error
return
} else {
log.Debugf("error from errchan: %s", err.Error())
log.Debugf("error from errchan: %v", err)
}
if !c.Options.DisableLocal {
if strings.Contains(err.Error(), "refusing files") || strings.Contains(err.Error(), "EOF") || strings.Contains(err.Error(), "bad password") {
@ -471,7 +473,8 @@ func (c *Client) Receive() (err error) {
c.conn[0], banner, c.ExternalIP, err = tcp.ConnectToTCPServer(c.Options.RelayAddress, c.Options.RelayPassword, c.Options.SharedSecret[:3])
log.Debugf("banner: %s", banner)
if err != nil {
err = errors.Wrap(err, fmt.Sprintf("could not connect to %s", c.Options.RelayAddress))
err = fmt.Errorf("could not connect to %s: %w", c.Options.RelayAddress, err)
log.Debug(err)
return
}
log.Debugf("receiver connection established: %+v", c.conn[0])
@ -481,14 +484,18 @@ func (c *Client) Receive() (err error) {
// and try to connect to them
log.Debug("sending ips?")
var data []byte
c.conn[0].Send([]byte("ips?"))
if err := c.conn[0].Send([]byte("ips?")); err != nil {
log.Errorf("ips send error: %v", err)
}
data, err = c.conn[0].Receive()
if err != nil {
return
}
log.Debugf("ips data: %s", data)
var ips []string
json.Unmarshal(data, &ips)
if err := json.Unmarshal(data, &ips); err != nil {
log.Errorf("ips unmarshal error: %v", err)
}
if len(ips) > 1 {
port := ips[0]
ips = ips[1:]
@ -529,7 +536,9 @@ func (c *Client) Receive() (err error) {
}
}
c.conn[0].Send([]byte("handshake"))
if err := c.conn[0].Send([]byte("handshake")); err != nil {
log.Errorf("handshake send error: %v", err)
}
c.Options.RelayPorts = strings.Split(banner, ",")
if c.Options.NoMultiplexing {
log.Debug("no multiplexing")
@ -564,7 +573,7 @@ func (c *Client) transfer(options TransferOptions) (err error) {
var done bool
data, err = c.conn[0].Receive()
if err != nil {
log.Debugf("got error receiving: %s", err.Error())
log.Debugf("got error receiving: %v", err)
if !c.Step1ChannelSecured {
err = fmt.Errorf("could not secure channel")
}
@ -572,7 +581,7 @@ func (c *Client) transfer(options TransferOptions) (err error) {
}
done, err = c.processMessage(data)
if err != nil {
log.Debugf("got error processing: %s", err.Error())
log.Debugf("got error processing: %v", err)
break
}
if done {
@ -592,7 +601,9 @@ func (c *Client) transfer(options TransferOptions) (err error) {
c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderRemote,
c.FilesToTransfer[c.FilesToTransferCurrentNum].Name,
)
os.Remove(pathToFile)
if err := os.Remove(pathToFile); err != nil {
log.Warnf("error removing %s: %v", pathToFile, err)
}
}
return
}
@ -641,7 +652,7 @@ func (c *Client) processMessageFileInfo(m message.Message) (done bool, err error
return
}
func (c *Client) procesMesssagePake(m message.Message) (err error) {
func (c *Client) procesMessagePake(m message.Message) (err error) {
log.Debug("received pake payload")
// if // c.spinner.Suffix != " performing PAKE..." {
// // c.spinner.Stop()
@ -663,7 +674,10 @@ func (c *Client) procesMesssagePake(m message.Message) (err error) {
if c.Options.IsSender {
log.Debug("generating salt")
salt := make([]byte, 8)
rand.Read(salt)
if _, rerr := rand.Read(salt); err != nil {
log.Errorf("can't generate random numbers: %v", rerr)
return
}
err = message.Send(c.conn[0], c.Key, message.Message{
Type: "salt",
Bytes: salt,
@ -759,7 +773,8 @@ func (c *Client) processExternalIP(m message.Message) (done bool, err error) {
func (c *Client) processMessage(payload []byte) (done bool, err error) {
m, err := message.Decode(c.Key, payload)
if err != nil {
err = fmt.Errorf("problem with decoding: %s", err.Error())
err = fmt.Errorf("problem with decoding: %w", err)
log.Debug(err)
return
}
@ -772,9 +787,10 @@ func (c *Client) processMessage(payload []byte) (done bool, err error) {
c.SuccessfulTransfer = true
return
case "pake":
err = c.procesMesssagePake(m)
err = c.procesMessagePake(m)
if err != nil {
err = errors.Wrap(err, "pake not successful")
err = fmt.Errorf("pake not successful: %w", err)
log.Debug(err)
}
case "salt":
done, err = c.processMessageSalt(m)
@ -831,12 +847,12 @@ func (c *Client) processMessage(payload []byte) (done bool, err error) {
c.Step3RecipientRequestFile = false
}
if err != nil {
log.Debugf("got error from processing message: %s", err.Error())
log.Debugf("got error from processing message: %v", err)
return
}
err = c.updateState()
if err != nil {
log.Debugf("got error from updating state: %s", err.Error())
log.Debugf("got error from updating state: %v", err)
return
}
return
@ -878,7 +894,9 @@ func (c *Client) recipientInitializeFile() (err error) {
c.FilesToTransfer[c.FilesToTransferCurrentNum].Name,
)
folderForFile, _ := filepath.Split(pathToFile)
os.MkdirAll(folderForFile, os.ModePerm)
if err := os.MkdirAll(folderForFile, os.ModePerm); err != nil {
log.Errorf("can't create %s: %v", folderForFile, err)
}
var errOpen error
c.CurrentFile, errOpen = os.OpenFile(
pathToFile,
@ -901,7 +919,7 @@ func (c *Client) recipientInitializeFile() (err error) {
} else {
c.CurrentFile, errOpen = os.Create(pathToFile)
if errOpen != nil {
errOpen = errors.Wrap(errOpen, "could not create "+pathToFile)
errOpen = fmt.Errorf("could not create %s: %w", pathToFile, errOpen)
log.Error(errOpen)
return errOpen
}
@ -910,7 +928,7 @@ func (c *Client) recipientInitializeFile() (err error) {
if truncate {
err := c.CurrentFile.Truncate(c.FilesToTransfer[c.FilesToTransferCurrentNum].Size)
if err != nil {
err = errors.Wrap(err, "could not truncate "+pathToFile)
err = fmt.Errorf("could not truncate %s: %w", pathToFile, err)
log.Error(err)
return err
}
@ -1176,7 +1194,9 @@ func (c *Client) receiveData(i int) {
c.TotalChunksTransfered++
if c.TotalChunksTransfered == len(c.CurrentFileChunks) || c.TotalSent == c.FilesToTransfer[c.FilesToTransferCurrentNum].Size {
log.Debug("finished receiving!")
c.CurrentFile.Close()
if err := c.CurrentFile.Close(); err != nil {
log.Errorf("error closing %s: %v", c.CurrentFile.Name(), err)
}
if c.Options.Stdout || strings.HasPrefix(c.FilesToTransfer[c.FilesToTransferCurrentNum].Name, "croc-stdin") {
pathToFile := path.Join(
c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderRemote,
@ -1204,7 +1224,9 @@ func (c *Client) sendData(i int) {
c.numfinished++
if c.numfinished == len(c.Options.RelayPorts) {
log.Debug("closing file")
c.fread.Close()
if err := c.fread.Close(); err != nil {
log.Errorf("error closing file: %v", err)
}
}
}()

27
src/croc/croc_test.go
View File

@ -12,8 +12,15 @@ import (
"github.com/stretchr/testify/assert"
)
func must(err error) {
if err != nil {
panic(err)
}
}
func init() {
log.SetLevel("trace")
go tcp.Run("debug", "8081", "pass123", "8082,8083,8084,8085")
go tcp.Run("debug", "8082", "pass123")
go tcp.Run("debug", "8083", "pass123")
@ -59,14 +66,20 @@ func TestCrocReadme(t *testing.T) {
var wg sync.WaitGroup
wg.Add(2)
go func() {
sender.Send(TransferOptions{
err := sender.Send(TransferOptions{
PathToFiles: []string{"../../README.md"},
})
if err != nil {
t.Errorf("send failed: %v", err)
}
wg.Done()
}()
time.Sleep(100 * time.Millisecond)
go func() {
receiver.Receive()
err := receiver.Receive()
if err != nil {
t.Errorf("receive failed: %v", err)
}
wg.Done()
}()
@ -115,15 +128,21 @@ func TestCrocLocal(t *testing.T) {
os.Create("touched")
wg.Add(2)
go func() {
sender.Send(TransferOptions{
err := sender.Send(TransferOptions{
PathToFiles: []string{"../../LICENSE", "touched"},
KeepPathInRemote: false,
})
if err != nil {
t.Errorf("send failed: %v", err)
}
wg.Done()
}()
time.Sleep(100 * time.Millisecond)
go func() {
receiver.Receive()
err := receiver.Receive()
if err != nil {
t.Errorf("send failed: %v", err)
}
wg.Done()
}()

11
src/crypt/crypt.go
View File

@ -6,6 +6,7 @@ import (
"crypto/rand"
"crypto/sha256"
"fmt"
"log"
"golang.org/x/crypto/pbkdf2"
)
@ -20,11 +21,13 @@ func New(passphrase []byte, usersalt []byte) (key []byte, salt []byte, err error
salt = make([]byte, 8)
// http://www.ietf.org/rfc/rfc2898.txt
// Salt.
rand.Read(salt)
if _, err := rand.Read(salt); err != nil {
log.Fatalf("can't get random salt: %v", err)
}
} else {
salt = usersalt
}
key = pbkdf2.Key([]byte(passphrase), salt, 100, 32, sha256.New)
key = pbkdf2.Key(passphrase, salt, 100, 32, sha256.New)
return
}
@ -34,7 +37,9 @@ func Encrypt(plaintext []byte, key []byte) (encrypted []byte, err error) {
// http://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38d.pdf
// Section 8.2
ivBytes := make([]byte, 12)
rand.Read(ivBytes)
if _, err := rand.Read(ivBytes); err != nil {
log.Fatalf("can't initialize crypto: %v", err)
}
b, err := aes.NewCipher(key)
if err != nil {
return

32
src/tcp/tcp.go
View File

@ -8,12 +8,12 @@ import (
"sync"
"time"
"github.com/pkg/errors"
log "github.com/schollz/logger"
"github.com/schollz/pake/v2"
"github.com/schollz/croc/v8/src/comm"
"github.com/schollz/croc/v8/src/crypt"
"github.com/schollz/croc/v8/src/models"
log "github.com/schollz/logger"
"github.com/schollz/pake/v2"
)
type server struct {
@ -61,7 +61,7 @@ func (s *server) start() (err error) {
go func() {
for {
time.Sleep(timeToRoomDeletion)
roomsToDelete := []string{}
var roomsToDelete []string
s.rooms.Lock()
for room := range s.rooms.rooms {
if time.Since(s.rooms.rooms[room].opened) > 3*time.Hour {
@ -87,19 +87,19 @@ func (s *server) run() (err error) {
log.Infof("starting TCP server on " + s.port)
server, err := net.Listen("tcp", ":"+s.port)
if err != nil {
return errors.Wrap(err, "Error listening on :"+s.port)
return fmt.Errorf("error listening on %s: %w", s.port, err)
}
defer server.Close()
// spawn a new goroutine whenever a client connects
for {
connection, err := server.Accept()
if err != nil {
return errors.Wrap(err, "problem accepting connection")
return fmt.Errorf( "problem accepting connection: %w", err)
}
log.Debugf("client %s connected", connection.RemoteAddr().String())
go func(port string, connection net.Conn) {
c := comm.New(connection)
room, errCommunication := s.clientCommuncation(port, c)
room, errCommunication := s.clientCommunication(port, c)
if errCommunication != nil {
log.Debugf("relay-%s: %s", connection.RemoteAddr().String(), errCommunication.Error())
}
@ -140,7 +140,7 @@ func (s *server) run() (err error) {
var weakKey = []byte{1, 2, 3}
func (s *server) clientCommuncation(port string, c *comm.Comm) (room string, err error) {
func (s *server) clientCommunication(port string, c *comm.Comm) (room string, err error) {
// establish secure password with PAKE for communication with relay
B, err := pake.InitCurve(weakKey, 1, "siec", 1*time.Microsecond)
if err != nil {
@ -188,7 +188,9 @@ func (s *server) clientCommuncation(port string, c *comm.Comm) (room string, err
if strings.TrimSpace(string(passwordBytes)) != s.password {
err = fmt.Errorf("bad password")
enc, _ := crypt.Decrypt([]byte(err.Error()), strongKeyForEncryption)
c.Send(enc)
if err := c.Send(enc); err != nil {
return "", fmt.Errorf("send error: %w", err)
}
return
}
@ -317,7 +319,9 @@ func (s *server) deleteRoom(room string) {
// Read()s from the socket to the channel.
func chanFromConn(conn net.Conn) chan []byte {
c := make(chan []byte, 1)
conn.SetReadDeadline(time.Now().Add(3 * time.Hour))
if err := conn.SetReadDeadline(time.Now().Add(3 * time.Hour)); err != nil {
log.Warnf("can't set read deadline: %v", err)
}
go func() {
b := make([]byte, models.TCP_BUFFER_SIZE)
@ -353,13 +357,17 @@ func pipe(conn1 net.Conn, conn2 net.Conn) {
if b1 == nil {
return
}
conn2.Write(b1)
if _, err := conn2.Write(b1); err != nil {
log.Errorf("write error on channel 1: %v", err)
}
case b2 := <-chan2:
if b2 == nil {
return
}
conn1.Write(b2)
if _, err := conn1.Write(b2); err != nil {
log.Errorf("write error on channel 2: %v", err)
}
}
}
}

4
src/utils/utils.go
View File

@ -125,7 +125,7 @@ func LocalIP() string {
// GetRandomName returns mnemoicoded random name
func GetRandomName() string {
result := []string{}
var result []string
bs := make([]byte, 4)
rand.Read(bs)
result = mnemonicode.EncodeWordList(result, bs)
@ -157,7 +157,7 @@ func MissingChunks(fname string, fsize int64, chunkSize int) (chunkRanges []int6
defer f.Close()
fstat, err := os.Stat(fname)
if fstat.Size() != fsize || err != nil {
if err != nil || fstat.Size() != fsize {
return
}

4
src/utils/utils_test.go
View File

@ -165,14 +165,14 @@ func TestHashFile(t *testing.T) {
func TestPublicIP(t *testing.T) {
ip, err := PublicIP()
fmt.Println(ip)
assert.True(t, strings.Contains(ip, "."))
assert.True(t, strings.Contains(ip, ".") || strings.Contains(ip, ":"))
assert.Nil(t, err)
}
func TestLocalIP(t *testing.T) {
ip := LocalIP()
fmt.Println(ip)
assert.True(t, strings.Contains(ip, "."))
assert.True(t, strings.Contains(ip, ".") || strings.Contains(ip, ":"))
}
func TestGetRandomName(t *testing.T) {