diff options
Diffstat (limited to 'device')
| -rw-r--r-- | device/device.go | 10 | ||||
| -rw-r--r-- | device/logger.go | 81 | ||||
| -rw-r--r-- | device/noise-protocol.go | 4 | ||||
| -rw-r--r-- | device/peer.go | 4 | ||||
| -rw-r--r-- | device/receive.go | 84 | ||||
| -rw-r--r-- | device/send.go | 57 | ||||
| -rw-r--r-- | device/timers.go | 8 | ||||
| -rw-r--r-- | device/tun.go | 18 | ||||
| -rw-r--r-- | device/uapi.go | 28 |
9 files changed, 130 insertions, 164 deletions
diff --git a/device/device.go b/device/device.go index 5d11766..27c42f2 100644 --- a/device/device.go +++ b/device/device.go @@ -177,7 +177,7 @@ func deviceUpdateState(device *Device) { switch newIsUp { case true: if err := device.BindUpdate(); err != nil { - device.log.Error.Println("Unable to update bind:", err) + device.errorf("Unable to update bind: %v", err) device.isUp.Set(false) break } @@ -303,7 +303,7 @@ func NewDevice(tunDevice tun.Device, logger *Logger) *Device { device.tun.device = tunDevice mtu, err := device.tun.device.MTU() if err != nil { - logger.Error.Println("Trouble determining MTU, assuming default:", err) + device.errorf("Trouble determining MTU, assuming default: %v", err) mtu = DefaultMTU } device.tun.mtu = int32(mtu) @@ -397,7 +397,7 @@ func (device *Device) Close() { return } - device.log.Info.Println("Device closing") + device.infof("Device closing") device.state.changing.Set(true) device.state.Lock() defer device.state.Unlock() @@ -422,7 +422,7 @@ func (device *Device) Close() { device.rate.limiter.Close() device.state.changing.Set(false) - device.log.Info.Println("Interface closed") + device.infof("Interface closed") } func (device *Device) Wait() chan struct{} { @@ -562,7 +562,7 @@ func (device *Device) BindUpdate() error { go device.RoutineReceiveIncoming(ipv4.Version, netc.bind) go device.RoutineReceiveIncoming(ipv6.Version, netc.bind) - device.log.Debug.Println("UDP bind has been updated") + device.debugf("UDP bind has been updated") } return nil diff --git a/device/logger.go b/device/logger.go index 3c4d744..6869a24 100644 --- a/device/logger.go +++ b/device/logger.go @@ -6,12 +6,22 @@ package device import ( - "io" - "io/ioutil" "log" "os" ) +// A Logger provides logging for a Device. +// The functions are Printf-style functions. +// They must be safe for concurrent use. +// They do not require a trailing newline in the format. +// If nil, that level of logging will be silent. +type Logger struct { + Debugf func(format string, args ...interface{}) + Infof func(format string, args ...interface{}) + Errorf func(format string, args ...interface{}) +} + +// Log levels for use with NewLogger. const ( LogLevelSilent = iota LogLevelError @@ -19,41 +29,40 @@ const ( LogLevelDebug ) -type Logger struct { - Debug *log.Logger - Info *log.Logger - Error *log.Logger -} - +// NewLogger constructs a Logger that writes to stdout. +// It logs at the specified log level and above. +// It decorates log lines with the log level, date, time, and prepend. func NewLogger(level int, prepend string) *Logger { - output := os.Stdout logger := new(Logger) - - logErr, logInfo, logDebug := func() (io.Writer, io.Writer, io.Writer) { - if level >= LogLevelDebug { - return output, output, output - } - if level >= LogLevelInfo { - return output, output, ioutil.Discard - } - if level >= LogLevelError { - return output, ioutil.Discard, ioutil.Discard - } - return ioutil.Discard, ioutil.Discard, ioutil.Discard - }() - - logger.Debug = log.New(logDebug, - "DEBUG: "+prepend, - log.Ldate|log.Ltime, - ) - - logger.Info = log.New(logInfo, - "INFO: "+prepend, - log.Ldate|log.Ltime, - ) - logger.Error = log.New(logErr, - "ERROR: "+prepend, - log.Ldate|log.Ltime, - ) + logf := func(prefix string) func(string, ...interface{}) { + return log.New(os.Stdout, prefix+": "+prepend, log.Ldate|log.Ltime).Printf + } + if level >= LogLevelDebug { + logger.Debugf = logf("DEBUG") + } + if level >= LogLevelInfo { + logger.Infof = logf("INFO") + } + if level >= LogLevelError { + logger.Errorf = logf("ERROR") + } return logger } + +func (device *Device) debugf(format string, args ...interface{}) { + if device.log.Debugf != nil { + device.log.Debugf(format, args...) + } +} + +func (device *Device) infof(format string, args ...interface{}) { + if device.log.Infof != nil { + device.log.Infof(format, args...) + } +} + +func (device *Device) errorf(format string, args ...interface{}) { + if device.log.Errorf != nil { + device.log.Errorf(format, args...) + } +} diff --git a/device/noise-protocol.go b/device/noise-protocol.go index e34da83..df520d0 100644 --- a/device/noise-protocol.go +++ b/device/noise-protocol.go @@ -319,11 +319,11 @@ func (device *Device) ConsumeMessageInitiation(msg *MessageInitiation) *Peer { flood := time.Since(handshake.lastInitiationConsumption) <= HandshakeInitationRate handshake.mutex.RUnlock() if replay { - device.log.Debug.Printf("%v - ConsumeMessageInitiation: handshake replay @ %v\n", peer, timestamp) + device.debugf("%v - ConsumeMessageInitiation: handshake replay @ %v", peer, timestamp) return nil } if flood { - device.log.Debug.Printf("%v - ConsumeMessageInitiation: handshake flood\n", peer) + device.debugf("%v - ConsumeMessageInitiation: handshake flood", peer) return nil } diff --git a/device/peer.go b/device/peer.go index 96040e6..46edaeb 100644 --- a/device/peer.go +++ b/device/peer.go @@ -190,7 +190,7 @@ func (peer *Peer) Start() { } device := peer.device - device.log.Debug.Println(peer, "- Starting...") + device.debugf("%v - Starting...", peer) // reset routine state @@ -278,7 +278,7 @@ func (peer *Peer) Stop() { peer.routines.Lock() defer peer.routines.Unlock() - peer.device.log.Debug.Println(peer, "- Stopping...") + peer.device.debugf("%v - Stopping...", peer) peer.timersStop() diff --git a/device/receive.go b/device/receive.go index 605303e..38d018c 100644 --- a/device/receive.go +++ b/device/receive.go @@ -10,7 +10,6 @@ import ( "encoding/binary" "errors" "net" - "strconv" "sync" "sync/atomic" "time" @@ -79,15 +78,13 @@ func (peer *Peer) keepKeyFreshReceiving() { * IPv4 and IPv6 (separately) */ func (device *Device) RoutineReceiveIncoming(IP int, bind conn.Bind) { - - logDebug := device.log.Debug defer func() { - logDebug.Println("Routine: receive incoming IPv" + strconv.Itoa(IP) + " - stopped") + device.debugf("Routine: receive incoming IPv%d - stopped", IP) device.queue.decryption.wg.Done() device.net.stopping.Done() }() - logDebug.Println("Routine: receive incoming IPv" + strconv.Itoa(IP) + " - started") + device.debugf("Routine: receive incoming IPv%d - started", IP) // receive datagrams until conn is closed @@ -115,7 +112,7 @@ func (device *Device) RoutineReceiveIncoming(IP int, bind conn.Bind) { if errors.Is(err, conn.NetErrClosed) { return } - device.log.Error.Printf("Failed to receive packet: %v", err) + device.errorf("Failed to receive packet: %v", err) if deathSpiral < 10 { deathSpiral++ time.Sleep(time.Second / 3) @@ -202,7 +199,7 @@ func (device *Device) RoutineReceiveIncoming(IP int, bind conn.Bind) { okay = len(packet) == MessageCookieReplySize default: - logDebug.Println("Received message with unknown type") + device.debugf("Received message with unknown type") } if okay { @@ -222,15 +219,12 @@ func (device *Device) RoutineReceiveIncoming(IP int, bind conn.Bind) { } func (device *Device) RoutineDecryption() { - var nonce [chacha20poly1305.NonceSize]byte - - logDebug := device.log.Debug defer func() { - logDebug.Println("Routine: decryption worker - stopped") + device.debugf("Routine: decryption worker - stopped") device.state.stopping.Done() }() - logDebug.Println("Routine: decryption worker - started") + device.debugf("Routine: decryption worker - started") for elem := range device.queue.decryption.c { // split message into fields @@ -258,23 +252,18 @@ func (device *Device) RoutineDecryption() { /* Handles incoming packets related to handshake */ func (device *Device) RoutineHandshake() { - - logInfo := device.log.Info - logError := device.log.Error - logDebug := device.log.Debug - var elem QueueHandshakeElement var ok bool defer func() { - logDebug.Println("Routine: handshake worker - stopped") + device.debugf("Routine: handshake worker - stopped") device.state.stopping.Done() if elem.buffer != nil { device.PutMessageBuffer(elem.buffer) } }() - logDebug.Println("Routine: handshake worker - started") + device.debugf("Routine: handshake worker - started") for { if elem.buffer != nil { @@ -304,7 +293,7 @@ func (device *Device) RoutineHandshake() { reader := bytes.NewReader(elem.packet) err := binary.Read(reader, binary.LittleEndian, &reply) if err != nil { - logDebug.Println("Failed to decode cookie reply") + device.debugf("Failed to decode cookie reply") return } @@ -319,9 +308,9 @@ func (device *Device) RoutineHandshake() { // consume reply if peer := entry.peer; peer.isRunning.Get() { - logDebug.Println("Receiving cookie response from ", elem.endpoint.DstToString()) + device.debugf("Receiving cookie response from %s", elem.endpoint.DstToString()) if !peer.cookieGenerator.ConsumeReply(&reply) { - logDebug.Println("Could not decrypt invalid cookie response") + device.debugf("Could not decrypt invalid cookie response") } } @@ -332,7 +321,7 @@ func (device *Device) RoutineHandshake() { // check mac fields and maybe ratelimit if !device.cookieChecker.CheckMAC1(elem.packet) { - logDebug.Println("Received packet with invalid mac1") + device.debugf("Received packet with invalid mac1") continue } @@ -355,7 +344,7 @@ func (device *Device) RoutineHandshake() { } default: - logError.Println("Invalid packet ended up in the handshake queue") + device.errorf("Invalid packet ended up in the handshake queue") continue } @@ -370,7 +359,7 @@ func (device *Device) RoutineHandshake() { reader := bytes.NewReader(elem.packet) err := binary.Read(reader, binary.LittleEndian, &msg) if err != nil { - logError.Println("Failed to decode initiation message") + device.errorf("Failed to decode initiation message") continue } @@ -378,10 +367,7 @@ func (device *Device) RoutineHandshake() { peer := device.ConsumeMessageInitiation(&msg) if peer == nil { - logInfo.Println( - "Received invalid initiation message from", - elem.endpoint.DstToString(), - ) + device.infof("Received invalid initiation message from %s", elem.endpoint.DstToString()) continue } @@ -393,7 +379,7 @@ func (device *Device) RoutineHandshake() { // update endpoint peer.SetEndpointFromPacket(elem.endpoint) - logDebug.Println(peer, "- Received handshake initiation") + device.debugf("%v - Received handshake initiation", peer) atomic.AddUint64(&peer.stats.rxBytes, uint64(len(elem.packet))) peer.SendHandshakeResponse() @@ -406,7 +392,7 @@ func (device *Device) RoutineHandshake() { reader := bytes.NewReader(elem.packet) err := binary.Read(reader, binary.LittleEndian, &msg) if err != nil { - logError.Println("Failed to decode response message") + device.errorf("Failed to decode response message") continue } @@ -414,17 +400,14 @@ func (device *Device) RoutineHandshake() { peer := device.ConsumeMessageResponse(&msg) if peer == nil { - logInfo.Println( - "Received invalid response message from", - elem.endpoint.DstToString(), - ) + device.infof("Received invalid response message from %s", elem.endpoint.DstToString()) continue } // update endpoint peer.SetEndpointFromPacket(elem.endpoint) - logDebug.Println(peer, "- Received handshake response") + device.debugf("%v - Received handshake response", peer) atomic.AddUint64(&peer.stats.rxBytes, uint64(len(elem.packet))) // update timers @@ -437,7 +420,7 @@ func (device *Device) RoutineHandshake() { err = peer.BeginSymmetricSession() if err != nil { - logError.Println(peer, "- Failed to derive keypair:", err) + device.errorf("%v - Failed to derive keypair: %v", peer, err) continue } @@ -453,16 +436,11 @@ func (device *Device) RoutineHandshake() { } func (peer *Peer) RoutineSequentialReceiver() { - device := peer.device - logInfo := device.log.Info - logError := device.log.Error - logDebug := device.log.Debug - var elem *QueueInboundElement defer func() { - logDebug.Println(peer, "- Routine: sequential receiver - stopped") + device.debugf("%v - Routine: sequential receiver - stopped", peer) peer.routines.stopping.Done() if elem != nil { device.PutMessageBuffer(elem.buffer) @@ -470,7 +448,7 @@ func (peer *Peer) RoutineSequentialReceiver() { } }() - logDebug.Println(peer, "- Routine: sequential receiver - started") + device.debugf("%v - Routine: sequential receiver - started", peer) for { if elem != nil { @@ -521,7 +499,7 @@ func (peer *Peer) RoutineSequentialReceiver() { // check for keepalive if len(elem.packet) == 0 { - logDebug.Println(peer, "- Receiving keepalive packet") + device.debugf("%v - Receiving keepalive packet", peer) continue } peer.timersDataReceived() @@ -549,10 +527,7 @@ func (peer *Peer) RoutineSequentialReceiver() { src := elem.packet[IPv4offsetSrc : IPv4offsetSrc+net.IPv4len] if device.allowedips.LookupIPv4(src) != peer { - logInfo.Println( - "IPv4 packet with disallowed source address from", - peer, - ) + device.infof("IPv4 packet with disallowed source address from %v", peer) continue } @@ -577,15 +552,12 @@ func (peer *Peer) RoutineSequentialReceiver() { src := elem.packet[IPv6offsetSrc : IPv6offsetSrc+net.IPv6len] if device.allowedips.LookupIPv6(src) != peer { - logInfo.Println( - "IPv6 packet with disallowed source address from", - peer, - ) + device.infof("IPv6 packet with disallowed source address from %v", peer) continue } default: - logInfo.Println("Packet with invalid IP version from", peer) + device.infof("Packet with invalid IP version from %v", peer) continue } @@ -594,12 +566,12 @@ func (peer *Peer) RoutineSequentialReceiver() { offset := MessageTransportOffsetContent _, err := device.tun.device.Write(elem.buffer[:offset+len(elem.packet)], offset) if err != nil && !device.isClosed.Get() { - logError.Println("Failed to write packet to TUN device:", err) + device.errorf("Failed to write packet to TUN device: %v", err) } if len(peer.queue.inbound) == 0 { err := device.tun.device.Flush() if err != nil { - peer.device.log.Error.Printf("Unable to flush packets: %v", err) + peer.device.errorf("Unable to flush packets: %v", err) } } } diff --git a/device/send.go b/device/send.go index 1d27799..8cf985d 100644 --- a/device/send.go +++ b/device/send.go @@ -99,7 +99,7 @@ func (peer *Peer) SendKeepalive() bool { elem.packet = nil select { case peer.queue.nonce <- elem: - peer.device.log.Debug.Println(peer, "- Sending keepalive packet") + peer.device.debugf("%v - Sending keepalive packet", peer) return true default: peer.device.PutMessageBuffer(elem.buffer) @@ -128,11 +128,11 @@ func (peer *Peer) SendHandshakeInitiation(isRetry bool) error { peer.handshake.lastSentHandshake = time.Now() peer.handshake.mutex.Unlock() - peer.device.log.Debug.Println(peer, "- Sending handshake initiation") + peer.device.debugf("%v - Sending handshake initiation", peer) msg, err := peer.device.CreateMessageInitiation(peer) if err != nil { - peer.device.log.Error.Println(peer, "- Failed to create initiation message:", err) + peer.device.errorf("%v - Failed to create initiation message: %v", peer, err) return err } @@ -147,7 +147,7 @@ func (peer *Peer) SendHandshakeInitiation(isRetry bool) error { err = peer.SendBuffer(packet) if err != nil { - peer.device.log.Error.Println(peer, "- Failed to send handshake initiation:", err) + peer.device.errorf("%v - Failed to send handshake initiation: %v", peer, err) } peer.timersHandshakeInitiated() @@ -159,11 +159,11 @@ func (peer *Peer) SendHandshakeResponse() error { peer.handshake.lastSentHandshake = time.Now() peer.handshake.mutex.Unlock() - peer.device.log.Debug.Println(peer, "- Sending handshake response") + peer.device.debugf("%v - Sending handshake response", peer) response, err := peer.device.CreateMessageResponse(peer) if err != nil { - peer.device.log.Error.Println(peer, "- Failed to create response message:", err) + peer.device.errorf("%v - Failed to create response message: %v", peer, err) return err } @@ -175,7 +175,7 @@ func (peer *Peer) SendHandshakeResponse() error { err = peer.BeginSymmetricSession() if err != nil { - peer.device.log.Error.Println(peer, "- Failed to derive keypair:", err) + peer.device.errorf("%v - Failed to derive keypair: %v", peer, err) return err } @@ -185,19 +185,19 @@ func (peer *Peer) SendHandshakeResponse() error { err = peer.SendBuffer(packet) if err != nil { - peer.device.log.Error.Println(peer, "- Failed to send handshake response:", err) + peer.device.errorf("%v - Failed to send handshake response: %v", peer, err) } return err } func (device *Device) SendHandshakeCookie(initiatingElem *QueueHandshakeElement) error { - device.log.Debug.Println("Sending cookie response for denied handshake message for", initiatingElem.endpoint.DstToString()) + device.debugf("Sending cookie response for denied handshake message for %v", initiatingElem.endpoint.DstToString()) sender := binary.LittleEndian.Uint32(initiatingElem.packet[4:8]) reply, err := device.cookieChecker.CreateReply(initiatingElem.packet, sender, initiatingElem.endpoint.DstToBytes()) if err != nil { - device.log.Error.Println("Failed to create cookie reply:", err) + device.errorf("Failed to create cookie reply: %v", err) return err } @@ -225,16 +225,12 @@ func (peer *Peer) keepKeyFreshSending() { * Obs. Single instance per TUN device */ func (device *Device) RoutineReadFromTUN() { - - logDebug := device.log.Debug - logError := device.log.Error - defer func() { - logDebug.Println("Routine: TUN reader - stopped") + device.debugf("Routine: TUN reader - stopped") device.state.stopping.Done() }() - logDebug.Println("Routine: TUN reader - started") + device.debugf("Routine: TUN reader - started") var elem *QueueOutboundElement @@ -252,7 +248,7 @@ func (device *Device) RoutineReadFromTUN() { if err != nil { if !device.isClosed.Get() { - logError.Println("Failed to read packet from TUN device:", err) + device.errorf("Failed to read packet from TUN device: %v", err) device.Close() } device.PutMessageBuffer(elem.buffer) @@ -285,7 +281,7 @@ func (device *Device) RoutineReadFromTUN() { peer = device.allowedips.LookupIPv6(dst) default: - logDebug.Println("Received packet with unknown IP version") + device.debugf("Received packet with unknown IP version") } if peer == nil { @@ -321,9 +317,7 @@ func (peer *Peer) FlushNonceQueue() { */ func (peer *Peer) RoutineNonce() { var keypair *Keypair - device := peer.device - logDebug := device.log.Debug flush := func() { for { @@ -339,14 +333,14 @@ func (peer *Peer) RoutineNonce() { defer func() { flush() - logDebug.Println(peer, "- Routine: nonce worker - stopped") + device.debugf("%v - Routine: nonce worker - stopped", peer) peer.queue.packetInNonceQueueIsAwaitingKey.Set(false) device.queue.encryption.wg.Done() // no more writes from us close(peer.queue.outbound) // no more writes to this channel peer.routines.stopping.Done() }() - logDebug.Println(peer, "- Routine: nonce worker - started") + device.debugf("%v - Routine: nonce worker - started", peer) NextPacket: for { @@ -391,11 +385,11 @@ NextPacket: // wait for key to be established - logDebug.Println(peer, "- Awaiting keypair") + device.debugf("%v - Awaiting keypair", peer) select { case <-peer.signals.newKeypairArrived: - logDebug.Println(peer, "- Obtained awaited keypair") + device.debugf("%v - Obtained awaited keypair", peer) case <-peer.signals.flushNonceQueue: device.PutMessageBuffer(elem.buffer) @@ -459,10 +453,8 @@ func (device *Device) RoutineEncryption() { var nonce [chacha20poly1305.NonceSize]byte - logDebug := device.log.Debug - - defer logDebug.Println("Routine: encryption worker - stopped") - logDebug.Println("Routine: encryption worker - started") + defer device.debugf("Routine: encryption worker - stopped") + device.debugf("Routine: encryption worker - started") for elem := range device.queue.encryption.c { // populate header fields @@ -505,11 +497,8 @@ func (peer *Peer) RoutineSequentialSender() { device := peer.device - logDebug := device.log.Debug - logError := device.log.Error - - defer logDebug.Println(peer, "- Routine: sequential sender - stopped") - logDebug.Println(peer, "- Routine: sequential sender - started") + defer device.debugf("%v - Routine: sequential sender - stopped", peer) + device.debugf("%v - Routine: sequential sender - started", peer) for elem := range peer.queue.outbound { elem.Lock() @@ -537,7 +526,7 @@ func (peer *Peer) RoutineSequentialSender() { device.PutMessageBuffer(elem.buffer) device.PutOutboundElement(elem) if err != nil { - logError.Println(peer, "- Failed to send data packet", err) + device.errorf("%v - Failed to send data packet: %v", peer, err) continue } diff --git a/device/timers.go b/device/timers.go index dbd4c66..ddc47ad 100644 --- a/device/timers.go +++ b/device/timers.go @@ -78,7 +78,7 @@ func (peer *Peer) timersActive() bool { func expiredRetransmitHandshake(peer *Peer) { if atomic.LoadUint32(&peer.timers.handshakeAttempts) > MaxTimerHandshakes { - peer.device.log.Debug.Printf("%s - Handshake did not complete after %d attempts, giving up\n", peer, MaxTimerHandshakes+2) + peer.device.debugf("%s - Handshake did not complete after %d attempts, giving up", peer, MaxTimerHandshakes+2) if peer.timersActive() { peer.timers.sendKeepalive.Del() @@ -97,7 +97,7 @@ func expiredRetransmitHandshake(peer *Peer) { } } else { atomic.AddUint32(&peer.timers.handshakeAttempts, 1) - peer.device.log.Debug.Printf("%s - Handshake did not complete after %d seconds, retrying (try %d)\n", peer, int(RekeyTimeout.Seconds()), atomic.LoadUint32(&peer.timers.handshakeAttempts)+1) + peer.device.debugf("%s - Handshake did not complete after %d seconds, retrying (try %d)", peer, int(RekeyTimeout.Seconds()), atomic.LoadUint32(&peer.timers.handshakeAttempts)+1) /* We clear the endpoint address src address, in case this is the cause of trouble. */ peer.Lock() @@ -121,7 +121,7 @@ func expiredSendKeepalive(peer *Peer) { } func expiredNewHandshake(peer *Peer) { - peer.device.log.Debug.Printf("%s - Retrying handshake because we stopped hearing back after %d seconds\n", peer, int((KeepaliveTimeout + RekeyTimeout).Seconds())) + peer.device.debugf("%s - Retrying handshake because we stopped hearing back after %d seconds", peer, int((KeepaliveTimeout + RekeyTimeout).Seconds())) /* We clear the endpoint address src address, in case this is the cause of trouble. */ peer.Lock() if peer.endpoint != nil { @@ -133,7 +133,7 @@ func expiredNewHandshake(peer *Peer) { } func expiredZeroKeyMaterial(peer *Peer) { - peer.device.log.Debug.Printf("%s - Removing all keys, since we haven't received a new one in %d seconds\n", peer, int((RejectAfterTime * 3).Seconds())) + peer.device.debugf("%s - Removing all keys, since we haven't received a new one in %d seconds", peer, int((RejectAfterTime * 3).Seconds())) peer.ZeroAndFlushAll() } diff --git a/device/tun.go b/device/tun.go index 3816f9b..97f1276 100644 --- a/device/tun.go +++ b/device/tun.go @@ -15,41 +15,37 @@ const DefaultMTU = 1420 func (device *Device) RoutineTUNEventReader() { setUp := false - logDebug := device.log.Debug - logInfo := device.log.Info - logError := device.log.Error - - logDebug.Println("Routine: event worker - started") + device.debugf("Routine: event worker - started") for event := range device.tun.device.Events() { if event&tun.EventMTUUpdate != 0 { mtu, err := device.tun.device.MTU() old := atomic.LoadInt32(&device.tun.mtu) if err != nil { - logError.Println("Failed to load updated MTU of device:", err) + device.errorf("Failed to load updated MTU of device: %v", err) } else if int(old) != mtu { if mtu+MessageTransportSize > MaxMessageSize { - logInfo.Println("MTU updated:", mtu, "(too large)") + device.infof("MTU updated: %v (too large)", mtu) } else { - logInfo.Println("MTU updated:", mtu) + device.infof("MTU updated: %v", mtu) } atomic.StoreInt32(&device.tun.mtu, int32(mtu)) } } if event&tun.EventUp != 0 && !setUp { - logInfo.Println("Interface set up") + device.infof("Interface set up") setUp = true device.Up() } if event&tun.EventDown != 0 && setUp { - logInfo.Println("Interface set down") + device.infof("Interface set down") setUp = false device.Down() } } - logDebug.Println("Routine: event worker - stopped") + device.debugf("Routine: event worker - stopped") device.state.stopping.Done() } diff --git a/device/uapi.go b/device/uapi.go index 277c02f..76b6fb8 100644 --- a/device/uapi.go +++ b/device/uapi.go @@ -130,7 +130,7 @@ func (device *Device) IpcSetOperation(r io.Reader) (err error) { defer func() { if err != nil { - device.log.Error.Println(err) + device.errorf("%v", err) } }() @@ -188,7 +188,7 @@ func (device *Device) handleDeviceLine(key, value string) error { if err != nil { return ipcErrorf(ipc.IpcErrorInvalid, "failed to set private_key: %w", err) } - device.log.Debug.Println("UAPI: Updating private key") + device.debugf("UAPI: Updating private key") device.SetPrivateKey(sk) case "listen_port": @@ -198,7 +198,7 @@ func (device *Device) handleDeviceLine(key, value string) error { } // update port and rebind - device.log.Debug.Println("UAPI: Updating listen port") + device.debugf("UAPI: Updating listen port") device.net.Lock() device.net.port = uint16(port) @@ -214,7 +214,7 @@ func (device *Device) handleDeviceLine(key, value string) error { return ipcErrorf(ipc.IpcErrorInvalid, "invalid fwmark: %w", err) } - device.log.Debug.Println("UAPI: Updating fwmark") + device.debugf("UAPI: Updating fwmark") if err := device.BindSetMark(uint32(mark)); err != nil { return ipcErrorf(ipc.IpcErrorPortInUse, "failed to update fwmark: %w", err) } @@ -223,7 +223,7 @@ func (device *Device) handleDeviceLine(key, value string) error { if value != "true" { return ipcErrorf(ipc.IpcErrorInvalid, "failed to set replace_peers, invalid value: %v", value) } - device.log.Debug.Println("UAPI: Removing all peers") + device.debugf("UAPI: Removing all peers") device.RemoveAllPeers() default: @@ -265,7 +265,7 @@ func (device *Device) handlePublicKeyLine(peer *ipcSetPeer, value string) error if err != nil { return ipcErrorf(ipc.IpcErrorInvalid, "failed to create new peer: %w", err) } - device.log.Debug.Println(peer, "- UAPI: Created") + device.debugf("%v - UAPI: Created", peer.Peer) } return nil } @@ -289,14 +289,14 @@ func (device *Device) handlePeerLine(peer *ipcSetPeer, key, value string) error return ipcErrorf(ipc.IpcErrorInvalid, "failed to set remove, invalid value: %v", value) } if !peer.dummy { - device.log.Debug.Println(peer, "- UAPI: Removing") + device.debugf("%v - UAPI: Removing", peer.Peer) device.RemovePeer(peer.handshake.remoteStatic) } peer.Peer = &Peer{} peer.dummy = true case "preshared_key": - device.log.Debug.Println(peer, "- UAPI: Updating preshared key") + device.debugf("%v - UAPI: Updating preshared key", peer.Peer) peer.handshake.mutex.Lock() err := peer.handshake.presharedKey.FromHex(value) @@ -307,7 +307,7 @@ func (device *Device) handlePeerLine(peer *ipcSetPeer, key, value string) error } case "endpoint": - device.log.Debug.Println(peer, "- UAPI: Updating endpoint") + device.debugf("%v - UAPI: Updating endpoint", peer.Peer) endpoint, err := conn.CreateEndpoint(value) if err != nil { return ipcErrorf(ipc.IpcErrorInvalid, "failed to set endpoint %v: %w", value, err) @@ -317,7 +317,7 @@ func (device *Device) handlePeerLine(peer *ipcSetPeer, key, value string) error peer.endpoint = endpoint case "persistent_keepalive_interval": - device.log.Debug.Println(peer, "- UAPI: Updating persistent keepalive interval") + device.debugf("%v - UAPI: Updating persistent keepalive interval", peer.Peer) secs, err := strconv.ParseUint(value, 10, 16) if err != nil { @@ -337,7 +337,7 @@ func (device *Device) handlePeerLine(peer *ipcSetPeer, key, value string) error } case "replace_allowed_ips": - device.log.Debug.Println(peer, "- UAPI: Removing all allowedips") + device.debugf("%v - UAPI: Removing all allowedips", peer.Peer) if value != "true" { return ipcErrorf(ipc.IpcErrorInvalid, "failed to replace allowedips, invalid value: %v", value) } @@ -347,7 +347,7 @@ func (device *Device) handlePeerLine(peer *ipcSetPeer, key, value string) error device.allowedips.RemoveByPeer(peer.Peer) case "allowed_ip": - device.log.Debug.Println(peer, "- UAPI: Adding allowedip") + device.debugf("%v - UAPI: Adding allowedip", peer.Peer) _, network, err := net.ParseCIDR(value) if err != nil { @@ -414,7 +414,7 @@ func (device *Device) IpcHandle(socket net.Conn) { } err = device.IpcGetOperation(buffered.Writer) default: - device.log.Error.Println("invalid UAPI operation:", op) + device.errorf("invalid UAPI operation: %v", op) return } @@ -425,7 +425,7 @@ func (device *Device) IpcHandle(socket net.Conn) { status = ipcErrorf(ipc.IpcErrorUnknown, "other UAPI error: %w", err) } if status != nil { - device.log.Error.Println(status) + device.errorf("%v", status) fmt.Fprintf(buffered, "errno=%d\n\n", status.ErrorCode()) } else { fmt.Fprintf(buffered, "errno=0\n\n") |