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Zack 2024-10-12 07:19:35 -07:00
parent b8b41fad30
commit fcbeaa737f
1 changed files with 121 additions and 123 deletions
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244
src/croc/croc.go
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@ -49,7 +49,7 @@ func init() {
} }
// Debug toggles debug mode // Debug toggles debug mode
func Debug(debug bool) { func Trace(debug bool) {
if debug { if debug {
log.SetLevel("debug") log.SetLevel("debug")
} else { } else {
@ -192,7 +192,7 @@ func New(ops Options) (c *Client, err error) {
// setup basic info // setup basic info
c.Options = ops c.Options = ops
Debug(c.Options.Debug) Trace(c.Options.Debug)
if len(c.Options.SharedSecret) < 6 { if len(c.Options.SharedSecret) < 6 {
err = fmt.Errorf("code is too short") err = fmt.Errorf("code is too short")
@ -234,7 +234,7 @@ func New(ops Options) (c *Client, err error) {
minBurstSize = int(uploadLimit) minBurstSize = int(uploadLimit)
} }
c.limiter = rate.NewLimiter(rt, minBurstSize) c.limiter = rate.NewLimiter(rt, minBurstSize)
log.Debugf("Throttling Upload to %#v", c.limiter.Limit()) log.Tracef("Throttling Upload to %#v", c.limiter.Limit())
} }
// initialize pake for recipient // initialize pake for recipient
@ -503,12 +503,12 @@ func (c *Client) sendCollectFiles(filesInfo []FileInfo) (err error) {
} }
if fileInfo.Mode&os.ModeSymlink != 0 { if fileInfo.Mode&os.ModeSymlink != 0 {
log.Debugf("%s is symlink", fileInfo.Name) log.Tracef("%s is symlink", fileInfo.Name)
c.FilesToTransfer[i].Symlink, err = os.Readlink(fullPath) c.FilesToTransfer[i].Symlink, err = os.Readlink(fullPath)
if err != nil { if err != nil {
log.Debugf("error getting symlink: %s", err.Error()) log.Tracef("error getting symlink: %s", err.Error())
} }
log.Debugf("%+v", c.FilesToTransfer[i]) log.Tracef("%+v", c.FilesToTransfer[i])
} }
if c.Options.HashAlgorithm == "" { if c.Options.HashAlgorithm == "" {
@ -516,16 +516,16 @@ func (c *Client) sendCollectFiles(filesInfo []FileInfo) (err error) {
} }
c.FilesToTransfer[i].Hash, err = utils.HashFile(fullPath, c.Options.HashAlgorithm, fileInfo.Size > 1e7) c.FilesToTransfer[i].Hash, err = utils.HashFile(fullPath, c.Options.HashAlgorithm, fileInfo.Size > 1e7)
log.Debugf("hashed %s to %x using %s", fullPath, c.FilesToTransfer[i].Hash, c.Options.HashAlgorithm) log.Tracef("hashed %s to %x using %s", fullPath, c.FilesToTransfer[i].Hash, c.Options.HashAlgorithm)
totalFilesSize += fileInfo.Size totalFilesSize += fileInfo.Size
if err != nil { if err != nil {
return return
} }
log.Debugf("file %d info: %+v", i, c.FilesToTransfer[i]) log.Tracef("file %d info: %+v", i, c.FilesToTransfer[i])
fmt.Fprintf(os.Stderr, "\r ") fmt.Fprintf(os.Stderr, "\r ")
fmt.Fprintf(os.Stderr, "\rSending %d files (%s)", i, utils.ByteCountDecimal(totalFilesSize)) fmt.Fprintf(os.Stderr, "\rSending %d files (%s)", i, utils.ByteCountDecimal(totalFilesSize))
} }
log.Debugf("longestFilename: %+v", c.longestFilename) log.Tracef("longestFilename: %+v", c.longestFilename)
fname := fmt.Sprintf("%d files", len(c.FilesToTransfer)) fname := fmt.Sprintf("%d files", len(c.FilesToTransfer))
folderName := fmt.Sprintf("%d folders", c.TotalNumberFolders) folderName := fmt.Sprintf("%d folders", c.TotalNumberFolders)
if len(c.FilesToTransfer) == 1 { if len(c.FilesToTransfer) == 1 {
@ -593,42 +593,42 @@ func (c *Client) broadcastOnLocalNetwork(useipv6 bool) {
} }
discoveries, err := peerdiscovery.Discover(settings) discoveries, err := peerdiscovery.Discover(settings)
log.Debugf("discoveries: %+v", discoveries) log.Tracef("discoveries: %+v", discoveries)
if err != nil { if err != nil {
log.Debug(err) log.Trace(err)
} }
} }
func (c *Client) transferOverLocalRelay(errchan chan<- error) { func (c *Client) transferOverLocalRelay(errchan chan<- error) {
time.Sleep(500 * time.Millisecond) time.Sleep(500 * time.Millisecond)
log.Debug("establishing connection") log.Trace("establishing connection")
var banner string var banner string
conn, banner, ipaddr, err := tcp.ConnectToTCPServer("127.0.0.1:"+c.Options.RelayPorts[0], c.Options.RelayPassword, c.Options.RoomName) conn, banner, ipaddr, err := tcp.ConnectToTCPServer("127.0.0.1:"+c.Options.RelayPorts[0], c.Options.RelayPassword, c.Options.RoomName)
log.Debugf("banner: %s", banner) log.Tracef("banner: %s", banner)
if err != nil { if err != nil {
err = fmt.Errorf("could not connect to 127.0.0.1:%s: %w", c.Options.RelayPorts[0], err) err = fmt.Errorf("could not connect to 127.0.0.1:%s: %w", c.Options.RelayPorts[0], err)
log.Debug(err) log.Trace(err)
// not really an error because it will try to connect over the actual relay // not really an error because it will try to connect over the actual relay
return return
} }
log.Debugf("local connection established: %+v", conn) log.Tracef("local connection established: %+v", conn)
for { for {
data, _ := conn.Receive() data, _ := conn.Receive()
if bytes.Equal(data, handshakeRequest) { if bytes.Equal(data, handshakeRequest) {
break break
} else if bytes.Equal(data, []byte{1}) { } else if bytes.Equal(data, []byte{1}) {
log.Debug("got ping") log.Trace("got ping")
} else { } else {
log.Debugf("instead of handshake got: %s", data) log.Tracef("instead of handshake got: %s", data)
} }
} }
c.conn[0] = conn c.conn[0] = conn
log.Debug("exchanged header message") log.Trace("exchanged header message")
c.Options.RelayAddress = "127.0.0.1" c.Options.RelayAddress = "127.0.0.1"
c.Options.RelayPorts = strings.Split(banner, ",") c.Options.RelayPorts = strings.Split(banner, ",")
if c.Options.NoMultiplexing { if c.Options.NoMultiplexing {
log.Debug("no multiplexing") log.Trace("no multiplexing")
c.Options.RelayPorts = []string{c.Options.RelayPorts[0]} c.Options.RelayPorts = []string{c.Options.RelayPorts[0]}
} }
c.ExternalIP = ipaddr c.ExternalIP = ipaddr
@ -691,33 +691,33 @@ On the other computer run:
continue continue
} }
host, port, _ := net.SplitHostPort(address) host, port, _ := net.SplitHostPort(address)
log.Debugf("host: '%s', port: '%s'", host, port) log.Tracef("host: '%s', port: '%s'", host, port)
// Default port to :9009 // Default port to :9009
if port == "" { if port == "" {
host = address host = address
port = models.DEFAULT_PORT port = models.DEFAULT_PORT
} }
log.Debugf("got host '%v' and port '%v'", host, port) log.Tracef("got host '%v' and port '%v'", host, port)
address = net.JoinHostPort(host, port) address = net.JoinHostPort(host, port)
log.Debugf("trying connection to %s", address) log.Tracef("trying connection to %s", address)
conn, banner, ipaddr, err = tcp.ConnectToTCPServer(address, c.Options.RelayPassword, c.Options.RoomName, durations[i]) conn, banner, ipaddr, err = tcp.ConnectToTCPServer(address, c.Options.RelayPassword, c.Options.RoomName, durations[i])
if err == nil { if err == nil {
c.Options.RelayAddress = address c.Options.RelayAddress = address
break break
} }
log.Debugf("could not establish '%s'", address) log.Tracef("could not establish '%s'", address)
} }
if conn == nil && err == nil { if conn == nil && err == nil {
err = fmt.Errorf("could not connect") err = fmt.Errorf("could not connect")
} }
if err != nil { if err != nil {
err = fmt.Errorf("could not connect to %s: %w", c.Options.RelayAddress, err) err = fmt.Errorf("could not connect to %s: %w", c.Options.RelayAddress, err)
log.Debug(err) log.Trace(err)
errchan <- err errchan <- err
return return
} }
log.Debugf("banner: %s", banner) log.Tracef("banner: %s", banner)
log.Debugf("connection established: %+v", conn) log.Tracef("connection established: %+v", conn)
var kB []byte var kB []byte
B, _ := pake.InitCurve([]byte(c.Options.SharedSecret[5:]), 1, c.Options.Curve) B, _ := pake.InitCurve([]byte(c.Options.SharedSecret[5:]), 1, c.Options.Curve)
for { for {
@ -804,11 +804,11 @@ On the other computer run:
c.conn[0] = conn c.conn[0] = conn
c.Options.RelayPorts = strings.Split(banner, ",") c.Options.RelayPorts = strings.Split(banner, ",")
if c.Options.NoMultiplexing { if c.Options.NoMultiplexing {
log.Debug("no multiplexing") log.Trace("no multiplexing")
c.Options.RelayPorts = []string{c.Options.RelayPorts[0]} c.Options.RelayPorts = []string{c.Options.RelayPorts[0]}
} }
c.ExternalIP = ipaddr c.ExternalIP = ipaddr
log.Debug("exchanged header message") log.Trace("exchanged header message")
errchan <- c.transfer() errchan <- c.transfer()
}() }()
} }
@ -818,7 +818,7 @@ On the other computer run:
// return if no error // return if no error
return return
} else { } else {
log.Debugf("error from errchan: %v", err) log.Tracef("error from errchan: %v", err)
if strings.Contains(err.Error(), "could not secure channel") { if strings.Contains(err.Error(), "could not secure channel") {
return err return err
} }
@ -848,18 +848,18 @@ func (c *Client) Receive() (err error) {
if c.Options.IP != "" { if c.Options.IP != "" {
// check ip version // check ip version
if strings.Count(c.Options.IP, ":") >= 2 { if strings.Count(c.Options.IP, ":") >= 2 {
log.Debug("assume ipv6") log.Trace("assume ipv6")
c.Options.RelayAddress6 = c.Options.IP c.Options.RelayAddress6 = c.Options.IP
} }
if strings.Contains(c.Options.IP, ".") { if strings.Contains(c.Options.IP, ".") {
log.Debug("assume ipv4") log.Trace("assume ipv4")
c.Options.RelayAddress = c.Options.IP c.Options.RelayAddress = c.Options.IP
} }
isIPset = true isIPset = true
} }
if !c.Options.DisableLocal && !isIPset { if !c.Options.DisableLocal && !isIPset {
log.Debug("attempt to discover peers") log.Trace("attempt to discover peers")
var discoveries []peerdiscovery.Discovered var discoveries []peerdiscovery.Discovered
var wgDiscovery sync.WaitGroup var wgDiscovery sync.WaitGroup
var dmux sync.Mutex var dmux sync.Mutex
@ -899,14 +899,14 @@ func (c *Client) Receive() (err error) {
wgDiscovery.Wait() wgDiscovery.Wait()
if err == nil && len(discoveries) > 0 { if err == nil && len(discoveries) > 0 {
log.Debugf("all discoveries: %+v", discoveries) log.Tracef("all discoveries: %+v", discoveries)
for i := 0; i < len(discoveries); i++ { for i := 0; i < len(discoveries); i++ {
log.Debugf("discovery %d has payload: %+v", i, discoveries[i]) log.Tracef("discovery %d has payload: %+v", i, discoveries[i])
if !bytes.HasPrefix(discoveries[i].Payload, []byte("croc")) { if !bytes.HasPrefix(discoveries[i].Payload, []byte("croc")) {
log.Debug("skipping discovery") log.Trace("skipping discovery")
continue continue
} }
log.Debug("switching to local") log.Trace("switching to local")
portToUse := string(bytes.TrimPrefix(discoveries[i].Payload, []byte("croc"))) portToUse := string(bytes.TrimPrefix(discoveries[i].Payload, []byte("croc")))
if portToUse == "" { if portToUse == "" {
portToUse = models.DEFAULT_PORT portToUse = models.DEFAULT_PORT
@ -914,19 +914,19 @@ func (c *Client) Receive() (err error) {
address := net.JoinHostPort(discoveries[i].Address, portToUse) address := net.JoinHostPort(discoveries[i].Address, portToUse)
errPing := tcp.PingServer(address) errPing := tcp.PingServer(address)
if errPing == nil { if errPing == nil {
log.Debugf("successfully pinged '%s'", address) log.Tracef("successfully pinged '%s'", address)
c.Options.RelayAddress = address c.Options.RelayAddress = address
c.ExternalIPConnected = c.Options.RelayAddress c.ExternalIPConnected = c.Options.RelayAddress
c.Options.RelayAddress6 = "" c.Options.RelayAddress6 = ""
usingLocal = true usingLocal = true
break break
} else { } else {
log.Debugf("could not ping: %+v", errPing) log.Tracef("could not ping: %+v", errPing)
} }
} }
} }
log.Debugf("discoveries: %+v", discoveries) log.Tracef("discoveries: %+v", discoveries)
log.Debug("establishing connection") log.Trace("establishing connection")
} }
var banner string var banner string
durations := []time.Duration{200 * time.Millisecond, 5 * time.Second} durations := []time.Duration{200 * time.Millisecond, 5 * time.Second}
@ -942,26 +942,26 @@ func (c *Client) Receive() (err error) {
host = address host = address
port = models.DEFAULT_PORT port = models.DEFAULT_PORT
} }
log.Debugf("got host '%v' and port '%v'", host, port) log.Tracef("got host '%v' and port '%v'", host, port)
address = net.JoinHostPort(host, port) address = net.JoinHostPort(host, port)
log.Debugf("trying connection to %s", address) log.Tracef("trying connection to %s", address)
c.conn[0], banner, c.ExternalIP, err = tcp.ConnectToTCPServer(address, c.Options.RelayPassword, c.Options.RoomName, durations[i]) c.conn[0], banner, c.ExternalIP, err = tcp.ConnectToTCPServer(address, c.Options.RelayPassword, c.Options.RoomName, durations[i])
if err == nil { if err == nil {
c.Options.RelayAddress = address c.Options.RelayAddress = address
break break
} }
log.Debugf("could not establish '%s'", address) log.Tracef("could not establish '%s'", address)
} }
if err != nil { if err != nil {
err = fmt.Errorf("could not connect to %s: %w", c.Options.RelayAddress, err) err = fmt.Errorf("could not connect to %s: %w", c.Options.RelayAddress, err)
log.Debug(err) log.Trace(err)
return return
} }
log.Debugf("receiver connection established: %+v", c.conn[0]) log.Tracef("receiver connection established: %+v", c.conn[0])
log.Debugf("banner: %s", banner) log.Tracef("banner: %s", banner)
if c.Options.TestFlag { if c.Options.TestFlag {
log.Debugf("TEST FLAG ENABLED, TESTING LOCAL IPS") log.Tracef("TEST FLAG ENABLED, TESTING LOCAL IPS")
} }
if c.Options.TestFlag || (!usingLocal && !c.Options.DisableLocal && !isIPset) { if c.Options.TestFlag || (!usingLocal && !c.Options.DisableLocal && !isIPset) {
// ask the sender for their local ips and port // ask the sender for their local ips and port
@ -990,7 +990,7 @@ func (c *Client) Receive() (err error) {
} }
err = json.Unmarshal(data, &dataMessage) err = json.Unmarshal(data, &dataMessage)
if err != nil || dataMessage.Kind != "pake2" { if err != nil || dataMessage.Kind != "pake2" {
log.Debugf("data: %s", data) log.Tracef("data: %s", data)
return fmt.Errorf("dataMessage %s pake failed", ipRequest) return fmt.Errorf("dataMessage %s pake failed", ipRequest)
} }
err = A.Update(dataMessage.Bytes) err = A.Update(dataMessage.Bytes)
@ -1002,14 +1002,14 @@ func (c *Client) Receive() (err error) {
if err != nil { if err != nil {
return return
} }
log.Debugf("dataMessage kA: %x", kA) log.Tracef("dataMessage kA: %x", kA)
// secure ipRequest // secure ipRequest
data, err = crypt.Encrypt([]byte(ipRequest), kA) data, err = crypt.Encrypt([]byte(ipRequest), kA)
if err != nil { if err != nil {
return return
} }
log.Debug("sending ips?") log.Trace("sending ips?")
if err = c.conn[0].Send(data); err != nil { if err = c.conn[0].Send(data); err != nil {
log.Errorf("ips send error: %v", err) log.Errorf("ips send error: %v", err)
} }
@ -1021,9 +1021,9 @@ func (c *Client) Receive() (err error) {
if err != nil { if err != nil {
return return
} }
log.Debugf("ips data: %s", data) log.Tracef("ips data: %s", data)
if err = json.Unmarshal(data, &ips); err != nil { if err = json.Unmarshal(data, &ips); err != nil {
log.Debugf("ips unmarshal error: %v", err) log.Tracef("ips unmarshal error: %v", err)
} }
return return
}() }()
@ -1033,32 +1033,32 @@ func (c *Client) Receive() (err error) {
ips = ips[1:] ips = ips[1:]
for _, ip := range ips { for _, ip := range ips {
ipv4Addr, ipv4Net, errNet := net.ParseCIDR(fmt.Sprintf("%s/24", ip)) ipv4Addr, ipv4Net, errNet := net.ParseCIDR(fmt.Sprintf("%s/24", ip))
log.Debugf("ipv4Add4: %+v, ipv4Net: %+v, err: %+v", ipv4Addr, ipv4Net, errNet) log.Tracef("ipv4Add4: %+v, ipv4Net: %+v, err: %+v", ipv4Addr, ipv4Net, errNet)
localIps, _ := utils.GetLocalIPs() localIps, _ := utils.GetLocalIPs()
haveLocalIP := false haveLocalIP := false
for _, localIP := range localIps { for _, localIP := range localIps {
localIPparsed := net.ParseIP(localIP) localIPparsed := net.ParseIP(localIP)
log.Debugf("localIP: %+v, localIPparsed: %+v", localIP, localIPparsed) log.Tracef("localIP: %+v, localIPparsed: %+v", localIP, localIPparsed)
if ipv4Net.Contains(localIPparsed) { if ipv4Net.Contains(localIPparsed) {
haveLocalIP = true haveLocalIP = true
log.Debugf("ip: %+v is a local IP", ip) log.Tracef("ip: %+v is a local IP", ip)
break break
} }
} }
if !haveLocalIP { if !haveLocalIP {
log.Debugf("%s is not a local IP, skipping", ip) log.Tracef("%s is not a local IP, skipping", ip)
continue continue
} }
serverTry := net.JoinHostPort(ip, port) serverTry := net.JoinHostPort(ip, port)
conn, banner2, externalIP, errConn := tcp.ConnectToTCPServer(serverTry, c.Options.RelayPassword, c.Options.RoomName, 500*time.Millisecond) conn, banner2, externalIP, errConn := tcp.ConnectToTCPServer(serverTry, c.Options.RelayPassword, c.Options.RoomName, 500*time.Millisecond)
if errConn != nil { if errConn != nil {
log.Debug(errConn) log.Trace(errConn)
log.Debugf("could not connect to " + serverTry) log.Tracef("could not connect to " + serverTry)
continue continue
} }
log.Debugf("local connection established to %s", serverTry) log.Tracef("local connection established to %s", serverTry)
log.Debugf("banner: %s", banner2) log.Tracef("banner: %s", banner2)
// reset to the local port // reset to the local port
banner = banner2 banner = banner2
c.Options.RelayAddress = serverTry c.Options.RelayAddress = serverTry
@ -1076,10 +1076,10 @@ func (c *Client) Receive() (err error) {
} }
c.Options.RelayPorts = strings.Split(banner, ",") c.Options.RelayPorts = strings.Split(banner, ",")
if c.Options.NoMultiplexing { if c.Options.NoMultiplexing {
log.Debug("no multiplexing") log.Trace("no multiplexing")
c.Options.RelayPorts = []string{c.Options.RelayPorts[0]} c.Options.RelayPorts = []string{c.Options.RelayPorts[0]}
} }
log.Debug("exchanged header message") log.Trace("exchanged header message")
fmt.Fprintf(os.Stderr, "\rsecuring channel...") fmt.Fprintf(os.Stderr, "\rsecuring channel...")
err = c.transfer() err = c.transfer()
if err == nil { if err == nil {
@ -1097,7 +1097,7 @@ func (c *Client) transfer() (err error) {
c.quit = make(chan bool) c.quit = make(chan bool)
// if recipient, initialize with sending pake information // if recipient, initialize with sending pake information
log.Debug("ready") log.Trace("ready")
if !c.Options.IsSender && !c.Step1ChannelSecured { if !c.Options.IsSender && !c.Step1ChannelSecured {
err = message.Send(c.conn[0], c.Key, message.Message{ err = message.Send(c.conn[0], c.Key, message.Message{
Type: message.TypePAKE, Type: message.TypePAKE,
@ -1115,7 +1115,7 @@ func (c *Client) transfer() (err error) {
var done bool var done bool
data, err = c.conn[0].Receive() data, err = c.conn[0].Receive()
if err != nil { if err != nil {
log.Debugf("got error receiving: %v", err) log.Tracef("got error receiving: %v", err)
if !c.Step1ChannelSecured { if !c.Step1ChannelSecured {
err = fmt.Errorf("could not secure channel") err = fmt.Errorf("could not secure channel")
} }
@ -1123,8 +1123,8 @@ func (c *Client) transfer() (err error) {
} }
done, err = c.processMessage(data) done, err = c.processMessage(data)
if err != nil { if err != nil {
log.Debugf("data: %s", data) log.Tracef("data: %s", data)
log.Debugf("got error processing: %v", err) log.Tracef("got error processing: %v", err)
break break
} }
if done { if done {
@ -1134,7 +1134,7 @@ func (c *Client) transfer() (err error) {
// purge errors that come from successful transfer // purge errors that come from successful transfer
if c.SuccessfulTransfer { if c.SuccessfulTransfer {
if err != nil { if err != nil {
log.Debugf("purging error: %s", err) log.Tracef("purging error: %s", err)
} }
err = nil err = nil
} }
@ -1152,7 +1152,7 @@ func (c *Client) transfer() (err error) {
if file.TempFile { if file.TempFile {
utils.UnzipDirectory(".", file.Name) utils.UnzipDirectory(".", file.Name)
os.Remove(file.Name) os.Remove(file.Name)
log.Debugf("Removing %s\n", file.Name) log.Tracef("Removing %s\n", file.Name)
} }
} }
} }
@ -1162,7 +1162,7 @@ func (c *Client) transfer() (err error) {
c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderRemote, c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderRemote,
c.FilesToTransfer[c.FilesToTransferCurrentNum].Name, c.FilesToTransfer[c.FilesToTransferCurrentNum].Name,
) )
log.Debugf("pathToFile: %s", pathToFile) log.Tracef("pathToFile: %s", pathToFile)
// close if not closed already // close if not closed already
if !c.CurrentFileIsClosed { if !c.CurrentFileIsClosed {
c.CurrentFile.Close() c.CurrentFile.Close()
@ -1174,11 +1174,11 @@ func (c *Client) transfer() (err error) {
fmt.Fprint(os.Stderr, "\n") fmt.Fprint(os.Stderr, "\n")
} }
if err != nil && strings.Contains(err.Error(), "pake not successful") { if err != nil && strings.Contains(err.Error(), "pake not successful") {
log.Debugf("pake error: %s", err.Error()) log.Tracef("pake error: %s", err.Error())
err = fmt.Errorf("password mismatch") err = fmt.Errorf("password mismatch")
} }
if err != nil && strings.Contains(err.Error(), "unexpected end of JSON input") { if err != nil && strings.Contains(err.Error(), "unexpected end of JSON input") {
log.Debugf("error: %s", err.Error()) log.Tracef("error: %s", err.Error())
err = fmt.Errorf("room (secure channel) not ready, maybe peer disconnected") err = fmt.Errorf("room (secure channel) not ready, maybe peer disconnected")
} }
return return
@ -1210,7 +1210,7 @@ func (c *Client) processMessageFileInfo(m message.Message) (done bool, err error
var senderInfo SenderInfo var senderInfo SenderInfo
err = json.Unmarshal(m.Bytes, &senderInfo) err = json.Unmarshal(m.Bytes, &senderInfo)
if err != nil { if err != nil {
log.Debug(err) log.Trace(err)
return return
} }
c.Options.SendingText = senderInfo.SendingText c.Options.SendingText = senderInfo.SendingText
@ -1255,9 +1255,9 @@ func (c *Client) processMessageFileInfo(m message.Message) (done bool, err error
if c.Options.HashAlgorithm == "" { if c.Options.HashAlgorithm == "" {
c.Options.HashAlgorithm = "xxhash" c.Options.HashAlgorithm = "xxhash"
} }
log.Debugf("using hash algorithm: %s", c.Options.HashAlgorithm) log.Tracef("using hash algorithm: %s", c.Options.HashAlgorithm)
if c.Options.NoCompress { if c.Options.NoCompress {
log.Debug("disabling compression") log.Trace("disabling compression")
} }
if c.Options.SendingText { if c.Options.SendingText {
c.Options.Stdout = true c.Options.Stdout = true
@ -1330,7 +1330,7 @@ func (c *Client) processMessageFileInfo(m message.Message) (done bool, err error
} else { } else {
isEmpty, _ := isEmptyFolder(c.EmptyFoldersToTransfer[i].FolderRemote) isEmpty, _ := isEmptyFolder(c.EmptyFoldersToTransfer[i].FolderRemote)
if !isEmpty { if !isEmpty {
log.Debug("asking to overwrite") log.Trace("asking to overwrite")
prompt := fmt.Sprintf("\n%s already has some content in it. \nDo you want"+ prompt := fmt.Sprintf("\n%s already has some content in it. \nDo you want"+
" to overwrite it with an empty folder? (y/N) ", c.EmptyFoldersToTransfer[i].FolderRemote) " to overwrite it with an empty folder? (y/N) ", c.EmptyFoldersToTransfer[i].FolderRemote)
choice := strings.ToLower(utils.GetInput(prompt)) choice := strings.ToLower(utils.GetInput(prompt))
@ -1356,18 +1356,18 @@ func (c *Client) processMessageFileInfo(m message.Message) (done bool, err error
err = errStopTransfer err = errStopTransfer
} }
} }
log.Debug(c.FilesToTransfer) log.Trace(c.FilesToTransfer)
c.Step2FileInfoTransferred = true c.Step2FileInfoTransferred = true
return return
} }
func (c *Client) processMessagePake(m message.Message) (err error) { func (c *Client) processMessagePake(m message.Message) (err error) {
log.Debug("received pake payload") log.Trace("received pake payload")
var salt []byte var salt []byte
if c.Options.IsSender { if c.Options.IsSender {
// initialize curve based on the recipient's choice // initialize curve based on the recipient's choice
log.Debugf("using curve %s", string(m.Bytes2)) log.Tracef("using curve %s", string(m.Bytes2))
c.Pake, err = pake.InitCurve([]byte(c.Options.SharedSecret[5:]), 1, string(m.Bytes2)) c.Pake, err = pake.InitCurve([]byte(c.Options.SharedSecret[5:]), 1, string(m.Bytes2))
if err != nil { if err != nil {
log.Error(err) log.Error(err)
@ -1381,13 +1381,13 @@ func (c *Client) processMessagePake(m message.Message) (err error) {
} }
// generate salt and send it back to recipient // generate salt and send it back to recipient
log.Debug("generating salt") log.Trace("generating salt")
salt = make([]byte, 8) salt = make([]byte, 8)
if _, rerr := rand.Read(salt); err != nil { if _, rerr := rand.Read(salt); err != nil {
log.Errorf("can't generate random numbers: %v", rerr) log.Errorf("can't generate random numbers: %v", rerr)
return return
} }
log.Debug("sender sending pake+salt") log.Trace("sender sending pake+salt")
err = message.Send(c.conn[0], c.Key, message.Message{ err = message.Send(c.conn[0], c.Key, message.Message{
Type: message.TypePAKE, Type: message.TypePAKE,
Bytes: c.Pake.Bytes(), Bytes: c.Pake.Bytes(),
@ -1409,13 +1409,13 @@ func (c *Client) processMessagePake(m message.Message) (err error) {
if err != nil { if err != nil {
return err return err
} }
log.Debugf("generated key = %+x with salt %x", c.Key, salt) log.Tracef("generated key = %+x with salt %x", c.Key, salt)
// connects to the other ports of the server for transfer // connects to the other ports of the server for transfer
var wg sync.WaitGroup var wg sync.WaitGroup
wg.Add(len(c.Options.RelayPorts)) wg.Add(len(c.Options.RelayPorts))
for i := 0; i < len(c.Options.RelayPorts); i++ { for i := 0; i < len(c.Options.RelayPorts); i++ {
log.Debugf("port: [%s]", c.Options.RelayPorts[i]) log.Tracef("port: [%s]", c.Options.RelayPorts[i])
go func(j int) { go func(j int) {
defer wg.Done() defer wg.Done()
var host string var host string
@ -1429,7 +1429,7 @@ func (c *Client) processMessagePake(m message.Message) (err error) {
} }
} }
server := net.JoinHostPort(host, c.Options.RelayPorts[j]) server := net.JoinHostPort(host, c.Options.RelayPorts[j])
log.Debugf("connecting to %s", server) log.Tracef("connecting to %s", server)
c.conn[j+1], _, _, err = tcp.ConnectToTCPServer( c.conn[j+1], _, _, err = tcp.ConnectToTCPServer(
server, server,
c.Options.RelayPassword, c.Options.RelayPassword,
@ -1438,7 +1438,7 @@ func (c *Client) processMessagePake(m message.Message) (err error) {
if err != nil { if err != nil {
panic(err) panic(err)
} }
log.Debugf("connected to %s", server) log.Tracef("connected to %s", server)
if !c.Options.IsSender { if !c.Options.IsSender {
go c.receiveData(j) go c.receiveData(j)
} }
@ -1447,7 +1447,7 @@ func (c *Client) processMessagePake(m message.Message) (err error) {
wg.Wait() wg.Wait()
if !c.Options.IsSender { if !c.Options.IsSender {
log.Debug("sending external IP") log.Trace("sending external IP")
err = message.Send(c.conn[0], c.Key, message.Message{ err = message.Send(c.conn[0], c.Key, message.Message{
Type: message.TypeExternalIP, Type: message.TypeExternalIP,
Message: c.ExternalIP, Message: c.ExternalIP,
@ -1458,7 +1458,7 @@ func (c *Client) processMessagePake(m message.Message) (err error) {
} }
func (c *Client) processExternalIP(m message.Message) (done bool, err error) { func (c *Client) processExternalIP(m message.Message) (done bool, err error) {
log.Debugf("received external IP: %+v", m) log.Tracef("received external IP: %+v", m)
if c.Options.IsSender { if c.Options.IsSender {
err = message.Send(c.conn[0], c.Key, message.Message{ err = message.Send(c.conn[0], c.Key, message.Message{
Type: message.TypeExternalIP, Type: message.TypeExternalIP,
@ -1472,7 +1472,7 @@ func (c *Client) processExternalIP(m message.Message) (done bool, err error) {
// it can be preset by the local relay // it can be preset by the local relay
c.ExternalIPConnected = m.Message c.ExternalIPConnected = m.Message
} }
log.Debugf("connected as %s -> %s", c.ExternalIP, c.ExternalIPConnected) log.Tracef("connected as %s -> %s", c.ExternalIP, c.ExternalIPConnected)
c.Step1ChannelSecured = true c.Step1ChannelSecured = true
return return
} }
@ -1481,7 +1481,7 @@ func (c *Client) processMessage(payload []byte) (done bool, err error) {
m, err := message.Decode(c.Key, payload) m, err := message.Decode(c.Key, payload)
if err != nil { if err != nil {
err = fmt.Errorf("problem with decoding: %w", err) err = fmt.Errorf("problem with decoding: %w", err)
log.Debug(err) log.Trace(err)
return return
} }
@ -1508,7 +1508,7 @@ func (c *Client) processMessage(payload []byte) (done bool, err error) {
err = c.processMessagePake(m) err = c.processMessagePake(m)
if err != nil { if err != nil {
err = fmt.Errorf("pake not successful: %w", err) err = fmt.Errorf("pake not successful: %w", err)
log.Debug(err) log.Trace(err)
} }
case message.TypeExternalIP: case message.TypeExternalIP:
log.Tracef("message.TypeExternalIP") log.Tracef("message.TypeExternalIP")
@ -1532,7 +1532,7 @@ func (c *Client) processMessage(payload []byte) (done bool, err error) {
c.FilesToTransferCurrentNum = remoteFile.FilesToTransferCurrentNum c.FilesToTransferCurrentNum = remoteFile.FilesToTransferCurrentNum
c.CurrentFileChunkRanges = remoteFile.CurrentFileChunkRanges c.CurrentFileChunkRanges = remoteFile.CurrentFileChunkRanges
c.CurrentFileChunks = utils.ChunkRangesToChunks(c.CurrentFileChunkRanges) c.CurrentFileChunks = utils.ChunkRangesToChunks(c.CurrentFileChunkRanges)
log.Debugf("current file chunks: %+v", c.CurrentFileChunks) log.Tracef("current file chunks: %+v", c.CurrentFileChunks)
c.mutex.Lock() c.mutex.Lock()
c.chunkMap = make(map[uint64]struct{}) c.chunkMap = make(map[uint64]struct{})
for _, chunk := range c.CurrentFileChunks { for _, chunk := range c.CurrentFileChunks {
@ -1556,10 +1556,10 @@ func (c *Client) processMessage(payload []byte) (done bool, err error) {
case message.TypeCloseSender: case message.TypeCloseSender:
log.Tracef("message.TypeCloseSender") log.Tracef("message.TypeCloseSender")
c.bar.Finish() c.bar.Finish()
log.Debug("close-sender received...") log.Trace("close-sender received...")
c.Step4FileTransferred = false c.Step4FileTransferred = false
c.Step3RecipientRequestFile = false c.Step3RecipientRequestFile = false
log.Debug("sending close-recipient") log.Trace("sending close-recipient")
err = message.Send(c.conn[0], c.Key, message.Message{ err = message.Send(c.conn[0], c.Key, message.Message{
Type: message.TypeCloseRecipient, Type: message.TypeCloseRecipient,
}) })
@ -1569,12 +1569,12 @@ func (c *Client) processMessage(payload []byte) (done bool, err error) {
c.Step3RecipientRequestFile = false c.Step3RecipientRequestFile = false
} }
if err != nil { if err != nil {
log.Debugf("got error from processing message: %v", err) log.Tracef("got error from processing message: %v", err)
return return
} }
err = c.updateState() err = c.updateState()
if err != nil { if err != nil {
log.Debugf("got error from updating state: %v", err) log.Tracef("got error from updating state: %v", err)
return return
} }
return return
@ -1613,7 +1613,7 @@ func (c *Client) updateIfSenderChannelSecured() (err error) {
func (c *Client) recipientInitializeFile() (err error) { func (c *Client) recipientInitializeFile() (err error) {
// start initiating the process to receive a new file // start initiating the process to receive a new file
log.Debugf("working on file %d", c.FilesToTransferCurrentNum) log.Tracef("working on file %d", c.FilesToTransferCurrentNum)
// recipient sets the file // recipient sets the file
pathToFile := path.Join( pathToFile := path.Join(
@ -1673,7 +1673,7 @@ func (c *Client) recipientInitializeFile() (err error) {
func (c *Client) recipientGetFileReady(finished bool) (err error) { func (c *Client) recipientGetFileReady(finished bool) (err error) {
if finished { if finished {
// TODO: do the last finishing stuff // TODO: do the last finishing stuff
log.Debug("finished") log.Trace("finished")
err = message.Send(c.conn[0], c.Key, message.Message{ err = message.Send(c.conn[0], c.Key, message.Message{
Type: message.TypeFinished, Type: message.TypeFinished,
}) })
@ -1738,7 +1738,7 @@ func formatDescription(description string) string {
} }
func (c *Client) createEmptyFileAndFinish(fileInfo FileInfo, i int) (err error) { func (c *Client) createEmptyFileAndFinish(fileInfo FileInfo, i int) (err error) {
log.Debugf("touching file with folder / name") log.Tracef("touching file with folder / name")
if !utils.Exists(fileInfo.FolderRemote) { if !utils.Exists(fileInfo.FolderRemote) {
err = os.MkdirAll(fileInfo.FolderRemote, os.ModePerm) err = os.MkdirAll(fileInfo.FolderRemote, os.ModePerm)
if err != nil { if err != nil {
@ -1748,7 +1748,7 @@ func (c *Client) createEmptyFileAndFinish(fileInfo FileInfo, i int) (err error)
} }
pathToFile := path.Join(fileInfo.FolderRemote, fileInfo.Name) pathToFile := path.Join(fileInfo.FolderRemote, fileInfo.Name)
if fileInfo.Symlink != "" { if fileInfo.Symlink != "" {
log.Debug("creating symlink") log.Trace("creating symlink")
// remove symlink if it exists // remove symlink if it exists
if _, errExists := os.Lstat(pathToFile); errExists == nil { if _, errExists := os.Lstat(pathToFile); errExists == nil {
os.Remove(pathToFile) os.Remove(pathToFile)
@ -1804,7 +1804,7 @@ func (c *Client) updateIfRecipientHasFileInfo() (err error) {
if i < c.FilesToTransferCurrentNum { if i < c.FilesToTransferCurrentNum {
continue continue
} }
log.Debugf("checking %+v", fileInfo) log.Tracef("checking %+v", fileInfo)
recipientFileInfo, errRecipientFile := os.Lstat(path.Join(fileInfo.FolderRemote, fileInfo.Name)) recipientFileInfo, errRecipientFile := os.Lstat(path.Join(fileInfo.FolderRemote, fileInfo.Name))
var errHash error var errHash error
var fileHash []byte var fileHash []byte
@ -1821,10 +1821,10 @@ func (c *Client) updateIfRecipientHasFileInfo() (err error) {
} }
continue continue
} }
log.Debugf("%s %+x %+x %+v", fileInfo.Name, fileHash, fileInfo.Hash, errHash) log.Tracef("%s %+x %+x %+v", fileInfo.Name, fileHash, fileInfo.Hash, errHash)
if !bytes.Equal(fileHash, fileInfo.Hash) { if !bytes.Equal(fileHash, fileInfo.Hash) {
log.Debugf("hashed %s to %x using %s", fileInfo.Name, fileHash, c.Options.HashAlgorithm) log.Tracef("hashed %s to %x using %s", fileInfo.Name, fileHash, c.Options.HashAlgorithm)
log.Debugf("hashes are not equal %x != %x", fileHash, fileInfo.Hash) log.Tracef("hashes are not equal %x != %x", fileHash, fileInfo.Hash)
if errHash == nil && !c.Options.Overwrite && errRecipientFile == nil && !strings.HasPrefix(fileInfo.Name, "croc-stdin-") && !c.Options.SendingText { if errHash == nil && !c.Options.Overwrite && errRecipientFile == nil && !strings.HasPrefix(fileInfo.Name, "croc-stdin-") && !c.Options.SendingText {
missingChunks := utils.ChunkRangesToChunks(utils.MissingChunks( missingChunks := utils.ChunkRangesToChunks(utils.MissingChunks(
@ -1834,7 +1834,7 @@ func (c *Client) updateIfRecipientHasFileInfo() (err error) {
)) ))
percentDone := 100 - float64(len(missingChunks)*models.TCP_BUFFER_SIZE/2)/float64(fileInfo.Size)*100 percentDone := 100 - float64(len(missingChunks)*models.TCP_BUFFER_SIZE/2)/float64(fileInfo.Size)*100
log.Debug("asking to overwrite") log.Trace("asking to overwrite")
prompt := fmt.Sprintf("\nOverwrite '%s'? (y/N) (use --overwrite to omit) ", path.Join(fileInfo.FolderRemote, fileInfo.Name)) prompt := fmt.Sprintf("\nOverwrite '%s'? (y/N) (use --overwrite to omit) ", path.Join(fileInfo.FolderRemote, fileInfo.Name))
if percentDone < 99 { if percentDone < 99 {
prompt = fmt.Sprintf("\nResume '%s' (%2.1f%%)? (y/N) (use --overwrite to omit) ", path.Join(fileInfo.FolderRemote, fileInfo.Name), percentDone) prompt = fmt.Sprintf("\nResume '%s' (%2.1f%%)? (y/N) (use --overwrite to omit) ", path.Join(fileInfo.FolderRemote, fileInfo.Name), percentDone)
@ -1846,11 +1846,11 @@ func (c *Client) updateIfRecipientHasFileInfo() (err error) {
} }
} }
} else { } else {
log.Debugf("hashes are equal %x == %x", fileHash, fileInfo.Hash) log.Tracef("hashes are equal %x == %x", fileHash, fileInfo.Hash)
} }
if errHash != nil { if errHash != nil {
// probably can't find, its okay // probably can't find, its okay
log.Debug(errHash) log.Trace(errHash)
} }
if errHash != nil || !bytes.Equal(fileHash, fileInfo.Hash) { if errHash != nil || !bytes.Equal(fileHash, fileInfo.Hash) {
finished = false finished = false
@ -1878,20 +1878,18 @@ func (c *Client) fmtPrintUpdate() {
} }
func (c *Client) updateState() (err error) { func (c *Client) updateState() (err error) {
log.Tracef("c.updateIfSenderChannelSecured()")
err = c.updateIfSenderChannelSecured() err = c.updateIfSenderChannelSecured()
if err != nil { if err != nil {
return return
} }
log.Tracef("c.updateIfRecipientHasFileInfo()")
err = c.updateIfRecipientHasFileInfo() err = c.updateIfRecipientHasFileInfo()
if err != nil { if err != nil {
return return
} }
if c.Options.IsSender && c.Step3RecipientRequestFile && !c.Step4FileTransferred { if c.Options.IsSender && c.Step3RecipientRequestFile && !c.Step4FileTransferred {
log.Debug("start sending data!") log.Trace("start sending data!")
if !c.firstSend { if !c.firstSend {
fmt.Fprintf(os.Stderr, "\nSending (->%s)\n", c.ExternalIPConnected) fmt.Fprintf(os.Stderr, "\nSending (->%s)\n", c.ExternalIPConnected)
@ -1927,7 +1925,7 @@ func (c *Client) updateState() (err error) {
c.setBar() c.setBar()
c.TotalSent = 0 c.TotalSent = 0
c.CurrentFileIsClosed = false c.CurrentFileIsClosed = false
log.Debug("beginning sending comms") log.Trace("beginning sending comms")
pathToFile := path.Join( pathToFile := path.Join(
c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderSource, c.FilesToTransfer[c.FilesToTransferCurrentNum].FolderSource,
c.FilesToTransfer[c.FilesToTransferCurrentNum].Name, c.FilesToTransfer[c.FilesToTransferCurrentNum].Name,
@ -1938,7 +1936,7 @@ func (c *Client) updateState() (err error) {
return return
} }
for i := 0; i < len(c.Options.RelayPorts); i++ { for i := 0; i < len(c.Options.RelayPorts); i++ {
log.Debugf("starting sending over comm %d", i) log.Tracef("starting sending over comm %d", i)
go c.sendData(i) go c.sendData(i)
} }
} }
@ -1970,9 +1968,9 @@ func (c *Client) setBar() {
byteToDo := int64(len(c.CurrentFileChunks) * models.TCP_BUFFER_SIZE / 2) byteToDo := int64(len(c.CurrentFileChunks) * models.TCP_BUFFER_SIZE / 2)
if byteToDo > 0 { if byteToDo > 0 {
bytesDone := c.FilesToTransfer[c.FilesToTransferCurrentNum].Size - byteToDo bytesDone := c.FilesToTransfer[c.FilesToTransferCurrentNum].Size - byteToDo
log.Debug(byteToDo) log.Trace(byteToDo)
log.Debug(c.FilesToTransfer[c.FilesToTransferCurrentNum].Size) log.Trace(c.FilesToTransfer[c.FilesToTransferCurrentNum].Size)
log.Debug(bytesDone) log.Trace(bytesDone)
if bytesDone > 0 { if bytesDone > 0 {
c.bar.Add64(bytesDone) c.bar.Add64(bytesDone)
} }
@ -2016,15 +2014,15 @@ func (c *Client) receiveData(i int) {
c.bar.Add(len(data[8:])) c.bar.Add(len(data[8:]))
c.TotalSent += int64(len(data[8:])) c.TotalSent += int64(len(data[8:]))
c.TotalChunksTransferred++ c.TotalChunksTransferred++
// log.Debug(len(c.CurrentFileChunks), c.TotalChunksTransferred, c.TotalSent, c.FilesToTransfer[c.FilesToTransferCurrentNum].Size) // log.Trace(len(c.CurrentFileChunks), c.TotalChunksTransferred, c.TotalSent, c.FilesToTransfer[c.FilesToTransferCurrentNum].Size)
if !c.CurrentFileIsClosed && (c.TotalChunksTransferred == len(c.CurrentFileChunks) || c.TotalSent == c.FilesToTransfer[c.FilesToTransferCurrentNum].Size) { if !c.CurrentFileIsClosed && (c.TotalChunksTransferred == len(c.CurrentFileChunks) || c.TotalSent == c.FilesToTransfer[c.FilesToTransferCurrentNum].Size) {
c.CurrentFileIsClosed = true c.CurrentFileIsClosed = true
log.Debug("finished receiving!") log.Trace("finished receiving!")
if err = c.CurrentFile.Close(); err != nil { if err = c.CurrentFile.Close(); err != nil {
log.Debugf("error closing %s: %v", c.CurrentFile.Name(), err) log.Tracef("error closing %s: %v", c.CurrentFile.Name(), err)
} else { } else {
log.Debugf("Successful closing %s", c.CurrentFile.Name()) log.Tracef("Successful closing %s", c.CurrentFile.Name())
} }
if c.Options.Stdout || c.Options.SendingText { if c.Options.Stdout || c.Options.SendingText {
pathToFile := path.Join( pathToFile := path.Join(
@ -2034,7 +2032,7 @@ func (c *Client) receiveData(i int) {
b, _ := os.ReadFile(pathToFile) b, _ := os.ReadFile(pathToFile)
fmt.Print(string(b)) fmt.Print(string(b))
} }
log.Debug("sending close-sender") log.Trace("sending close-sender")
err = message.Send(c.conn[0], c.Key, message.Message{ err = message.Send(c.conn[0], c.Key, message.Message{
Type: message.TypeCloseSender, Type: message.TypeCloseSender,
}) })
@ -2048,10 +2046,10 @@ func (c *Client) receiveData(i int) {
func (c *Client) sendData(i int) { func (c *Client) sendData(i int) {
defer func() { defer func() {
log.Debugf("finished with %d", i) log.Tracef("finished with %d", i)
c.numfinished++ c.numfinished++
if c.numfinished == len(c.Options.RelayPorts) { if c.numfinished == len(c.Options.RelayPorts) {
log.Debug("closing file") log.Trace("closing file")
if err := c.fread.Close(); err != nil { if err := c.fread.Close(); err != nil {
log.Errorf("error closing file: %v", err) log.Errorf("error closing file: %v", err)
} }
@ -2070,7 +2068,7 @@ func (c *Client) sendData(i int) {
n, errRead = c.fread.ReadAt(data, readingPos) n, errRead = c.fread.ReadAt(data, readingPos)
if c.limiter != nil { if c.limiter != nil {
r := c.limiter.ReserveN(time.Now(), n) r := c.limiter.ReserveN(time.Now(), n)
log.Debugf("Limiting Upload for %d", r.Delay()) log.Tracef("Limiting Upload for %d", r.Delay())
time.Sleep(r.Delay()) time.Sleep(r.Delay())
} }
if n > 0 { if n > 0 {
@ -2086,7 +2084,7 @@ func (c *Client) sendData(i int) {
} }
c.mutex.Unlock() c.mutex.Unlock()
if usableChunk { if usableChunk {
// log.Debugf("sending chunk %d", pos) // log.Tracef("sending chunk %d", pos)
posByte := make([]byte, 8) posByte := make([]byte, 8)
binary.LittleEndian.PutUint64(posByte, pos) binary.LittleEndian.PutUint64(posByte, pos)
var err error var err error
@ -2153,7 +2151,7 @@ func copyToClipboard(str string) {
} }
cmd.Stdin = bytes.NewReader([]byte(str)) cmd.Stdin = bytes.NewReader([]byte(str))
if err := cmd.Run(); err != nil { if err := cmd.Run(); err != nil {
log.Debugf("error copying to clipboard: %v", err) log.Tracef("error copying to clipboard: %v", err)
return return
} }
fmt.Fprintf(os.Stderr, "Code copied to clipboard") fmt.Fprintf(os.Stderr, "Code copied to clipboard")