Networks/Reticulum-Go
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Merge main into tinygo and fix conflicts

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This commit is contained in:
ivan
2025-12-31 22:53:35 -06:00
parent 8725c68b24 1d3a969742
commit 9fa05cce5c
114 changed files with 14183 additions and 2213 deletions
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160
pkg/announce/announce.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package announce
import (
@@ -6,12 +8,12 @@ import (
"encoding/binary"
"errors"
"fmt"
"log"
"sync"
"time"
"github.com/Sudo-Ivan/reticulum-go/pkg/common"
"github.com/Sudo-Ivan/reticulum-go/pkg/identity"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
"golang.org/x/crypto/curve25519"
)
@@ -49,12 +51,6 @@ const (
MAX_RETRIES = 3
)
type AnnounceHandler interface {
AspectFilter() []string
ReceivedAnnounce(destinationHash []byte, announcedIdentity interface{}, appData []byte) error
ReceivePathResponses() bool
}
type Announce struct {
mutex *sync.RWMutex
destinationHash []byte
@@ -67,7 +63,7 @@ type Announce struct {
signature []byte
pathResponse bool
retries int
handlers []AnnounceHandler
handlers []Handler
ratchetID []byte
packet []byte
hash []byte
@@ -87,17 +83,17 @@ func New(dest *identity.Identity, destinationHash []byte, destinationName string
}
a := &Announce{
mutex: &sync.RWMutex{},
identity: dest,
destinationHash: destinationHash,
destinationName: destinationName,
appData: appData,
config: config,
hops: 0,
timestamp: time.Now().Unix(),
pathResponse: pathResponse,
retries: 0,
handlers: make([]AnnounceHandler, 0),
mutex: &sync.RWMutex{},
identity: dest,
destinationHash: destinationHash,
destinationName: destinationName,
appData: appData,
config: config,
hops: 0,
timestamp: time.Now().Unix(),
pathResponse: pathResponse,
retries: 0,
handlers: make([]Handler, 0),
}
// Get current ratchet ID if enabled
@@ -123,46 +119,46 @@ func (a *Announce) Propagate(interfaces []common.NetworkInterface) error {
a.mutex.RLock()
defer a.mutex.RUnlock()
log.Printf("[DEBUG-7] Propagating announce across %d interfaces", len(interfaces))
debug.Log(debug.DEBUG_TRACE, "Propagating announce across interfaces", "count", len(interfaces))
var packet []byte
if a.packet != nil {
log.Printf("[DEBUG-7] Using cached packet (%d bytes)", len(a.packet))
debug.Log(debug.DEBUG_TRACE, "Using cached packet", "bytes", len(a.packet))
packet = a.packet
} else {
log.Printf("[DEBUG-7] Creating new packet")
debug.Log(debug.DEBUG_TRACE, "Creating new packet")
packet = a.CreatePacket()
a.packet = packet
}
for _, iface := range interfaces {
if !iface.IsEnabled() {
log.Printf("[DEBUG-7] Skipping disabled interface: %s", iface.GetName())
debug.Log(debug.DEBUG_TRACE, "Skipping disabled interface", "name", iface.GetName())
continue
}
if !iface.GetBandwidthAvailable() {
log.Printf("[DEBUG-7] Skipping interface with insufficient bandwidth: %s", iface.GetName())
debug.Log(debug.DEBUG_TRACE, "Skipping interface with insufficient bandwidth", "name", iface.GetName())
continue
}
log.Printf("[DEBUG-7] Sending announce on interface %s", iface.GetName())
debug.Log(debug.DEBUG_TRACE, "Sending announce on interface", "name", iface.GetName())
if err := iface.Send(packet, ""); err != nil {
log.Printf("[DEBUG-7] Failed to send on interface %s: %v", iface.GetName(), err)
debug.Log(debug.DEBUG_TRACE, "Failed to send on interface", "name", iface.GetName(), "error", err)
return fmt.Errorf("failed to propagate on interface %s: %w", iface.GetName(), err)
}
log.Printf("[DEBUG-7] Successfully sent announce on interface %s", iface.GetName())
debug.Log(debug.DEBUG_TRACE, "Successfully sent announce on interface", "name", iface.GetName())
}
return nil
}
func (a *Announce) RegisterHandler(handler AnnounceHandler) {
func (a *Announce) RegisterHandler(handler Handler) {
a.mutex.Lock()
defer a.mutex.Unlock()
a.handlers = append(a.handlers, handler)
}
func (a *Announce) DeregisterHandler(handler AnnounceHandler) {
func (a *Announce) DeregisterHandler(handler Handler) {
a.mutex.Lock()
defer a.mutex.Unlock()
for i, h := range a.handlers {
@@ -177,13 +173,13 @@ func (a *Announce) HandleAnnounce(data []byte) error {
a.mutex.Lock()
defer a.mutex.Unlock()
log.Printf("[DEBUG-7] Handling announce packet of %d bytes", len(data))
debug.Log(debug.DEBUG_TRACE, "Handling announce packet", "bytes", len(data))
// Minimum packet size validation
// header(2) + desthash(16) + context(1) + enckey(32) + signkey(32) + namehash(10) +
// randomhash(10) + signature(64) + min app data(3)
if len(data) < 170 {
log.Printf("[DEBUG-7] Invalid announce data length: %d bytes (minimum 170)", len(data))
debug.Log(debug.DEBUG_TRACE, "Invalid announce data length", "bytes", len(data), "minimum", 170)
return errors.New("invalid announce data length")
}
@@ -196,7 +192,7 @@ func (a *Announce) HandleAnnounce(data []byte) error {
// Get hop count
hopCount := header[1]
if hopCount > MAX_HOPS {
log.Printf("[DEBUG-7] Announce exceeded max hops: %d", hopCount)
debug.Log(debug.DEBUG_TRACE, "Announce exceeded max hops", "hops", hopCount)
return errors.New("announce exceeded maximum hop count")
}
@@ -215,8 +211,7 @@ func (a *Announce) HandleAnnounce(data []byte) error {
contextByte = data[34]
packetData = data[35:]
log.Printf("[DEBUG-7] Header type 2 announce: destHash=%x, transportID=%x, context=%d",
destHash, transportID, contextByte)
debug.Log(debug.DEBUG_TRACE, "Header type 2 announce", "destHash", fmt.Sprintf("%x", destHash), "transportID", fmt.Sprintf("%x", transportID), "context", contextByte)
} else {
// Header type 1 format: header(2) + desthash(16) + context(1) + data
if len(data) < 19 {
@@ -226,8 +221,7 @@ func (a *Announce) HandleAnnounce(data []byte) error {
contextByte = data[18]
packetData = data[19:]
log.Printf("[DEBUG-7] Header type 1 announce: destHash=%x, context=%d",
destHash, contextByte)
debug.Log(debug.DEBUG_TRACE, "Header type 1 announce", "destHash", fmt.Sprintf("%x", destHash), "context", contextByte)
}
// Now parse the data portion according to the spec
@@ -246,10 +240,10 @@ func (a *Announce) HandleAnnounce(data []byte) error {
signature := packetData[116:180]
appData := packetData[180:]
log.Printf("[DEBUG-7] Announce fields: encKey=%x, signKey=%x", encKey, signKey)
log.Printf("[DEBUG-7] Name hash=%x, random hash=%x", nameHash, randomHash)
log.Printf("[DEBUG-7] Ratchet=%x", ratchetData[:8])
log.Printf("[DEBUG-7] Signature=%x, appDataLen=%d", signature[:8], len(appData))
debug.Log(debug.DEBUG_TRACE, "Announce fields", "encKey", fmt.Sprintf("%x", encKey), "signKey", fmt.Sprintf("%x", signKey))
debug.Log(debug.DEBUG_TRACE, "Name and random hash", "nameHash", fmt.Sprintf("%x", nameHash), "randomHash", fmt.Sprintf("%x", randomHash))
debug.Log(debug.DEBUG_TRACE, "Ratchet data", "ratchet", fmt.Sprintf("%x", ratchetData[:8]))
debug.Log(debug.DEBUG_TRACE, "Signature and app data", "signature", fmt.Sprintf("%x", signature[:8]), "appDataLen", len(appData))
// Get the destination hash from header
var destHash []byte
@@ -285,7 +279,7 @@ func (a *Announce) HandleAnnounce(data []byte) error {
// Process with handlers
for _, handler := range a.handlers {
if handler.ReceivePathResponses() || !a.pathResponse {
if err := handler.ReceivedAnnounce(destHash, announcedIdentity, appData); err != nil {
if err := handler.ReceivedAnnounce(destHash, announcedIdentity, appData, hopCount); err != nil {
return err
}
}
@@ -304,11 +298,7 @@ func (a *Announce) RequestPath(destHash []byte, onInterface common.NetworkInterf
packet = append(packet, byte(0)) // Initial hop count
// Send path request
if err := onInterface.Send(packet, ""); err != nil {
return err
}
return nil
return onInterface.Send(packet, "")
}
// CreateHeader creates a Reticulum packet header according to spec
@@ -328,36 +318,40 @@ func CreateHeader(ifacFlag byte, headerType byte, contextFlag byte, propType byt
func (a *Announce) CreatePacket() []byte {
// This function creates the complete announce packet according to the Reticulum specification.
// Announce Packet Structure:
// [Header (2 bytes)][Dest Hash (16 bytes)][Transport ID (16 bytes)][Context (1 byte)][Announce Data]
// [Header (2 bytes)][Dest Hash (16 bytes)][Context (1 byte)][Announce Data]
// Announce Data Structure:
// [Public Key (32 bytes)][Signing Key (32 bytes)][Name Hash (10 bytes)][Random Hash (10 bytes)][Ratchet (32 bytes)][Signature (64 bytes)][App Data]
// [Public Key (64 bytes)][Name Hash (10 bytes)][Random Hash (10 bytes)][Ratchet (32 bytes optional)][Signature (64 bytes)][App Data]
// 2. Destination Hash
destHash := a.destinationHash
if len(destHash) == 0 {
if len(destHash) > 16 {
destHash = destHash[:16]
}
// 3. Transport ID (zeros for broadcast announce)
transportID := make([]byte, 16)
// 5. Announce Data
// 5.1 Public Keys
// 3. Announce Data
// 3.1 Public Key (full 64 bytes - not split into enc/sign keys in packet)
pubKey := a.identity.GetPublicKey()
encKey := pubKey[:32]
signKey := pubKey[32:]
if len(pubKey) != 64 {
debug.Log(debug.DEBUG_TRACE, "Invalid public key length", "expected", 64, "got", len(pubKey))
}
// 5.2 Name Hash
// 3.2 Name Hash
nameHash := sha256.Sum256([]byte(a.destinationName))
nameHash10 := nameHash[:10]
// 5.3 Random Hash
// 3.3 Random Hash (5 bytes random + 5 bytes timestamp)
randomHash := make([]byte, 10)
_, err := rand.Read(randomHash)
_, err := rand.Read(randomHash[:5])
if err != nil {
log.Printf("Error reading random bytes for announce: %v", err)
debug.Log(debug.DEBUG_ERROR, "Failed to read random bytes for announce", "error", err)
}
// Add 5 bytes of timestamp
timeBytes := make([]byte, 8)
// #nosec G115 - Unix timestamp is always positive, no overflow risk
binary.BigEndian.PutUint64(timeBytes, uint64(time.Now().Unix()))
copy(randomHash[5:], timeBytes[:5])
// 5.4 Ratchet (only include if exists)
// 3.4 Ratchet (only include if exists)
var ratchetData []byte
currentRatchetKey := a.identity.GetCurrentRatchetKey()
if currentRatchetKey != nil {
@@ -367,17 +361,17 @@ func (a *Announce) CreatePacket() []byte {
copy(ratchetData, ratchetPub)
}
}
// Determine context flag based on whether ratchet exists
contextFlag := byte(0)
if len(ratchetData) > 0 {
contextFlag = 1 // FLAG_SET
}
// 1. Create Header (now that we know context flag)
// 1. Create Header - Use HEADER_TYPE_1
header := CreateHeader(
IFAC_NONE,
HEADER_TYPE_2,
HEADER_TYPE_1,
contextFlag,
PROP_TYPE_BROADCAST,
DEST_TYPE_SINGLE,
@@ -387,13 +381,15 @@ func (a *Announce) CreatePacket() []byte {
// 4. Context Byte
contextByte := byte(0)
if a.pathResponse {
contextByte = 0x0B // PATH_RESPONSE context
}
// 5.5 Signature
// The signature is calculated over: Dest Hash + Public Keys + Name Hash + Random Hash + Ratchet (if exists) + App Data
// 3.5 Signature
// The signature is calculated over: Dest Hash + Public Key (64 bytes) + Name Hash + Random Hash + Ratchet (if exists) + App Data
validationData := make([]byte, 0)
validationData = append(validationData, destHash...)
validationData = append(validationData, encKey...)
validationData = append(validationData, signKey...)
validationData = append(validationData, pubKey...)
validationData = append(validationData, nameHash10...)
validationData = append(validationData, randomHash...)
if len(ratchetData) > 0 {
@@ -402,14 +398,14 @@ func (a *Announce) CreatePacket() []byte {
validationData = append(validationData, a.appData...)
signature := a.identity.Sign(validationData)
// 6. Assemble the packet
debug.Log(debug.DEBUG_TRACE, "Creating announce packet", "destHash", fmt.Sprintf("%x", destHash), "pubKeyLen", len(pubKey), "nameHash", fmt.Sprintf("%x", nameHash10), "randomHash", fmt.Sprintf("%x", randomHash), "ratchetLen", len(ratchetData), "sigLen", len(signature), "appDataLen", len(a.appData))
// 5. Assemble the packet (HEADER_TYPE_1 format)
packet := make([]byte, 0)
packet = append(packet, header...)
packet = append(packet, destHash...)
packet = append(packet, transportID...)
packet = append(packet, contextByte)
packet = append(packet, encKey...)
packet = append(packet, signKey...)
packet = append(packet, pubKey...)
packet = append(packet, nameHash10...)
packet = append(packet, randomHash...)
if len(ratchetData) > 0 {
@@ -418,6 +414,8 @@ func (a *Announce) CreatePacket() []byte {
packet = append(packet, signature...)
packet = append(packet, a.appData...)
debug.Log(debug.DEBUG_TRACE, "Final announce packet", "totalBytes", len(packet), "ratchetLen", len(ratchetData), "appDataLen", len(a.appData))
return packet
}
@@ -452,11 +450,10 @@ func NewAnnouncePacket(pubKey []byte, appData []byte, announceID []byte) *Announ
// NewAnnounce creates a new announce packet for a destination
func NewAnnounce(identity *identity.Identity, destinationHash []byte, appData []byte, ratchetID []byte, pathResponse bool, config *common.ReticulumConfig) (*Announce, error) {
log.Printf("[DEBUG-7] Creating new announce: destHash=%x, appDataLen=%d, hasRatchet=%v, pathResponse=%v",
destinationHash, len(appData), ratchetID != nil, pathResponse)
debug.Log(debug.DEBUG_TRACE, "Creating new announce", "destHash", fmt.Sprintf("%x", destinationHash), "appDataLen", len(appData), "hasRatchet", ratchetID != nil, "pathResponse", pathResponse)
if identity == nil {
log.Printf("[DEBUG-7] Error: nil identity provided")
debug.Log(debug.DEBUG_ERROR, "Nil identity provided")
return nil, errors.New("identity cannot be nil")
}
@@ -469,7 +466,7 @@ func NewAnnounce(identity *identity.Identity, destinationHash []byte, appData []
}
destHash := destinationHash
log.Printf("[DEBUG-7] Using provided destination hash: %x", destHash)
debug.Log(debug.DEBUG_TRACE, "Using provided destination hash", "destHash", fmt.Sprintf("%x", destHash))
a := &Announce{
identity: identity,
@@ -479,12 +476,11 @@ func NewAnnounce(identity *identity.Identity, destinationHash []byte, appData []
destinationHash: destHash,
hops: 0,
mutex: &sync.RWMutex{},
handlers: make([]AnnounceHandler, 0),
handlers: make([]Handler, 0),
config: config,
}
log.Printf("[DEBUG-7] Created announce object: destHash=%x, hops=%d",
a.destinationHash, a.hops)
debug.Log(debug.DEBUG_TRACE, "Created announce object", "destHash", fmt.Sprintf("%x", a.destinationHash), "hops", a.hops)
// Create initial packet
packet := a.CreatePacket()
@@ -492,7 +488,7 @@ func NewAnnounce(identity *identity.Identity, destinationHash []byte, appData []
// Generate hash
hash := a.Hash()
log.Printf("[DEBUG-7] Generated announce hash: %x", hash)
debug.Log(debug.DEBUG_TRACE, "Generated announce hash", "hash", fmt.Sprintf("%x", hash))
return a, nil
}

123
pkg/announce/announce_test.go Normal file
View File

@@ -0,0 +1,123 @@
package announce
import (
"bytes"
"sync"
"testing"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
)
type mockAnnounceHandler struct {
received bool
}
func (m *mockAnnounceHandler) AspectFilter() []string {
return nil
}
func (m *mockAnnounceHandler) ReceivedAnnounce(destinationHash []byte, announcedIdentity interface{}, appData []byte, hops uint8) error {
m.received = true
return nil
}
func (m *mockAnnounceHandler) ReceivePathResponses() bool {
return true
}
type mockInterface struct {
common.BaseInterface
sent bool
}
func (m *mockInterface) Send(data []byte, address string) error {
m.sent = true
return nil
}
func (m *mockInterface) GetBandwidthAvailable() bool {
return true
}
func (m *mockInterface) IsEnabled() bool {
return true
}
func TestNewAnnounce(t *testing.T) {
id, _ := identity.New()
destHash := make([]byte, 16)
config := &common.ReticulumConfig{}
ann, err := New(id, destHash, "testapp", []byte("appdata"), false, config)
if err != nil {
t.Fatalf("New failed: %v", err)
}
if ann == nil {
t.Fatal("New returned nil")
}
if !bytes.Equal(ann.destinationHash, destHash) {
t.Error("Destination hash doesn't match")
}
}
func TestCreateAndHandleAnnounce(t *testing.T) {
id, _ := identity.New()
destHash := make([]byte, 16)
config := &common.ReticulumConfig{}
ann, _ := New(id, destHash, "testapp", []byte("appdata"), false, config)
packet := ann.CreatePacket()
handler := &mockAnnounceHandler{}
ann.RegisterHandler(handler)
err := ann.HandleAnnounce(packet)
if err != nil {
t.Fatalf("HandleAnnounce failed: %v", err)
}
if !handler.received {
t.Error("Handler did not receive announce")
}
}
func TestPropagate(t *testing.T) {
id, _ := identity.New()
destHash := make([]byte, 16)
config := &common.ReticulumConfig{}
ann, _ := New(id, destHash, "testapp", []byte("appdata"), false, config)
iface := &mockInterface{}
iface.Name = "testiface"
iface.Online = true
iface.Enabled = true
err := ann.Propagate([]common.NetworkInterface{iface})
if err != nil {
t.Fatalf("Propagate failed: %v", err)
}
if !iface.sent {
t.Error("Packet was not sent on interface")
}
}
func TestHandlerRegistration(t *testing.T) {
ann := &Announce{
mutex: &sync.RWMutex{},
}
handler := &mockAnnounceHandler{}
ann.RegisterHandler(handler)
if len(ann.handlers) != 1 {
t.Errorf("Expected 1 handler, got %d", len(ann.handlers))
}
ann.DeregisterHandler(handler)
if len(ann.handlers) != 0 {
t.Errorf("Expected 0 handlers, got %d", len(ann.handlers))
}
}

4
pkg/announce/handler.go
View File

@@ -1,7 +1,9 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package announce
type Handler interface {
AspectFilter() []string
ReceivedAnnounce(destHash []byte, identity interface{}, appData []byte) error
ReceivedAnnounce(destHash []byte, identity interface{}, appData []byte, hops uint8) error
ReceivePathResponses() bool
}

80
pkg/buffer/buffer.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package buffer
import (
@@ -8,7 +10,7 @@ import (
"io"
"sync"
"github.com/Sudo-Ivan/reticulum-go/pkg/channel"
"git.quad4.io/Networks/Reticulum-Go/pkg/channel"
)
const (
@@ -16,6 +18,19 @@ const (
MaxChunkLen = 16 * 1024
MaxDataLen = 457 // MDU - 2 - 6 (2 for stream header, 6 for channel envelope)
CompressTries = 4
// Stream header flags
StreamHeaderEOF = 0x8000
StreamHeaderCompressed = 0x4000
// Message type
StreamDataMessageType = 0x01
// Header size
StreamHeaderSize = 2
// Compression threshold
CompressThreshold = 32
)
type StreamDataMessage struct {
@@ -28,10 +43,10 @@ type StreamDataMessage struct {
func (m *StreamDataMessage) Pack() ([]byte, error) {
headerVal := uint16(m.StreamID & StreamIDMax)
if m.EOF {
headerVal |= 0x8000
headerVal |= StreamHeaderEOF
}
if m.Compressed {
headerVal |= 0x4000
headerVal |= StreamHeaderCompressed
}
buf := new(bytes.Buffer)
@@ -43,30 +58,32 @@ func (m *StreamDataMessage) Pack() ([]byte, error) {
}
func (m *StreamDataMessage) GetType() uint16 {
return 0x01 // Assign appropriate message type constant
return StreamDataMessageType
}
func (m *StreamDataMessage) Unpack(data []byte) error {
if len(data) < 2 {
if len(data) < StreamHeaderSize {
return io.ErrShortBuffer
}
header := binary.BigEndian.Uint16(data[:2])
header := binary.BigEndian.Uint16(data[:StreamHeaderSize])
m.StreamID = header & StreamIDMax
m.EOF = (header & 0x8000) != 0
m.Compressed = (header & 0x4000) != 0
m.Data = data[2:]
m.EOF = (header & StreamHeaderEOF) != 0
m.Compressed = (header & StreamHeaderCompressed) != 0
m.Data = data[StreamHeaderSize:]
return nil
}
type RawChannelReader struct {
streamID int
channel *channel.Channel
buffer *bytes.Buffer
eof bool
callbacks []func(int)
mutex sync.RWMutex
streamID int
channel *channel.Channel
buffer *bytes.Buffer
eof bool
callbacks map[int]func(int)
nextCallbackID int
messageHandlerID int
mutex sync.RWMutex
}
func NewRawChannelReader(streamID int, ch *channel.Channel) *RawChannelReader {
@@ -74,28 +91,26 @@ func NewRawChannelReader(streamID int, ch *channel.Channel) *RawChannelReader {
streamID: streamID,
channel: ch,
buffer: bytes.NewBuffer(nil),
callbacks: make([]func(int), 0),
callbacks: make(map[int]func(int)),
}
ch.AddMessageHandler(reader.HandleMessage)
reader.messageHandlerID = ch.AddMessageHandler(reader.HandleMessage)
return reader
}
func (r *RawChannelReader) AddReadyCallback(cb func(int)) {
func (r *RawChannelReader) AddReadyCallback(cb func(int)) int {
r.mutex.Lock()
defer r.mutex.Unlock()
r.callbacks = append(r.callbacks, cb)
id := r.nextCallbackID
r.nextCallbackID++
r.callbacks[id] = cb
return id
}
func (r *RawChannelReader) RemoveReadyCallback(cb func(int)) {
func (r *RawChannelReader) RemoveReadyCallback(id int) {
r.mutex.Lock()
defer r.mutex.Unlock()
for i, fn := range r.callbacks {
if &fn == &cb {
r.callbacks = append(r.callbacks[:i], r.callbacks[i+1:]...)
break
}
}
delete(r.callbacks, id)
}
func (r *RawChannelReader) Read(p []byte) (n int, err error) {
@@ -110,11 +125,11 @@ func (r *RawChannelReader) Read(p []byte) (n int, err error) {
if err == io.EOF && !r.eof {
err = nil
}
return
return n, err
}
func (r *RawChannelReader) HandleMessage(msg channel.MessageBase) bool { // #nosec G115
if streamMsg, ok := msg.(*StreamDataMessage); ok && streamMsg.StreamID == uint16(r.streamID) {
if streamMsg, ok := msg.(*StreamDataMessage); ok && streamMsg.StreamID == uint16(r.streamID) {
r.mutex.Lock()
defer r.mutex.Unlock()
@@ -163,7 +178,7 @@ func (w *RawChannelWriter) Write(p []byte) (n int, err error) {
EOF: w.eof,
}
if len(p) > 32 {
if len(p) > CompressThreshold {
for try := 1; try < CompressTries; try++ {
chunkLen := len(p) / try
compressed := compressData(p[:chunkLen])
@@ -201,10 +216,7 @@ func (b *Buffer) Read(p []byte) (n int, err error) {
}
func (b *Buffer) Close() error {
if err := b.ReadWriter.Writer.Flush(); err != nil {
return err
}
return nil
return b.ReadWriter.Writer.Flush()
}
func CreateReader(streamID int, ch *channel.Channel, readyCallback func(int)) *bufio.Reader {
@@ -230,6 +242,7 @@ func compressData(data []byte) []byte {
var compressed bytes.Buffer
w := bytes.NewBuffer(data)
r := bzip2.NewReader(w)
// bearer:disable go_gosec_filesystem_decompression_bomb
_, err := io.Copy(&compressed, r) // #nosec G104 #nosec G110
if err != nil {
// Handle error, e.g., log it or return an error
@@ -243,6 +256,7 @@ func decompressData(data []byte) []byte {
var decompressed bytes.Buffer
// Limit the amount of data read to prevent decompression bombs
limitedReader := io.LimitReader(reader, MaxChunkLen) // #nosec G110
// bearer:disable go_gosec_filesystem_decompression_bomb
_, err := io.Copy(&decompressed, limitedReader)
if err != nil {
// Handle error, e.g., log it or return an error

449
pkg/buffer/buffer_test.go Normal file
View File

@@ -0,0 +1,449 @@
package buffer
import (
"bufio"
"bytes"
"io"
"testing"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/channel"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/packet"
"git.quad4.io/Networks/Reticulum-Go/pkg/transport"
)
func TestStreamDataMessage_Pack(t *testing.T) {
tests := []struct {
name string
streamID uint16
data []byte
eof bool
compressed bool
}{
{
name: "NormalMessage",
streamID: 123,
data: []byte("test data"),
eof: false,
compressed: false,
},
{
name: "EOFMessage",
streamID: 456,
data: []byte("final data"),
eof: true,
compressed: false,
},
{
name: "CompressedMessage",
streamID: 789,
data: []byte("compressed data"),
eof: false,
compressed: true,
},
{
name: "EmptyData",
streamID: 0,
data: []byte{},
eof: false,
compressed: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
msg := &StreamDataMessage{
StreamID: tt.streamID,
Data: tt.data,
EOF: tt.eof,
Compressed: tt.compressed,
}
packed, err := msg.Pack()
if err != nil {
t.Fatalf("Pack() failed: %v", err)
}
if len(packed) < 2 {
t.Error("Packed message too short")
}
unpacked := &StreamDataMessage{}
if err := unpacked.Unpack(packed); err != nil {
t.Fatalf("Unpack() failed: %v", err)
}
if unpacked.StreamID != tt.streamID {
t.Errorf("StreamID = %d, want %d", unpacked.StreamID, tt.streamID)
}
if unpacked.EOF != tt.eof {
t.Errorf("EOF = %v, want %v", unpacked.EOF, tt.eof)
}
if unpacked.Compressed != tt.compressed {
t.Errorf("Compressed = %v, want %v", unpacked.Compressed, tt.compressed)
}
if !bytes.Equal(unpacked.Data, tt.data) {
t.Errorf("Data = %v, want %v", unpacked.Data, tt.data)
}
})
}
}
func TestStreamDataMessage_Unpack(t *testing.T) {
tests := []struct {
name string
data []byte
wantError bool
}{
{
name: "ValidMessage",
data: []byte{0x00, 0x7B, 'h', 'e', 'l', 'l', 'o'},
wantError: false,
},
{
name: "TooShort",
data: []byte{0x00},
wantError: true,
},
{
name: "Empty",
data: []byte{},
wantError: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
msg := &StreamDataMessage{}
err := msg.Unpack(tt.data)
if (err != nil) != tt.wantError {
t.Errorf("Unpack() error = %v, wantError %v", err, tt.wantError)
}
})
}
}
func TestStreamDataMessage_GetType(t *testing.T) {
msg := &StreamDataMessage{}
if msg.GetType() != 0x01 {
t.Errorf("GetType() = %d, want 0x01", msg.GetType())
}
}
func TestRawChannelReader_AddCallback(t *testing.T) {
reader := &RawChannelReader{
streamID: 1,
buffer: bytes.NewBuffer(nil),
callbacks: make(map[int]func(int)),
}
cb := func(int) {}
reader.AddReadyCallback(cb)
if len(reader.callbacks) != 1 {
t.Error("Callback should be added")
}
}
func TestBuffer_Write(t *testing.T) {
buf := &Buffer{
ReadWriter: bufio.NewReadWriter(bufio.NewReader(bytes.NewBuffer(nil)), bufio.NewWriter(bytes.NewBuffer(nil))),
}
data := []byte("test")
n, err := buf.Write(data)
if err != nil {
t.Errorf("Write() error = %v", err)
}
if n != len(data) {
t.Errorf("Write() = %d bytes, want %d", n, len(data))
}
}
func TestBuffer_Read(t *testing.T) {
buf := &Buffer{
ReadWriter: bufio.NewReadWriter(bufio.NewReader(bytes.NewBuffer([]byte("test data"))), bufio.NewWriter(bytes.NewBuffer(nil))),
}
data := make([]byte, 10)
n, err := buf.Read(data)
if err != nil && err != io.EOF {
t.Errorf("Read() error = %v", err)
}
if n <= 0 {
t.Errorf("Read() = %d bytes, want > 0", n)
}
}
func TestBuffer_Close(t *testing.T) {
buf := &Buffer{
ReadWriter: bufio.NewReadWriter(bufio.NewReader(bytes.NewBuffer(nil)), bufio.NewWriter(bytes.NewBuffer(nil))),
}
if err := buf.Close(); err != nil {
t.Errorf("Close() error = %v", err)
}
}
func TestStreamIDMax(t *testing.T) {
if StreamIDMax != 0x3fff {
t.Errorf("StreamIDMax = %d, want %d", StreamIDMax, 0x3fff)
}
}
func TestMaxChunkLen(t *testing.T) {
if MaxChunkLen != 16*1024 {
t.Errorf("MaxChunkLen = %d, want %d", MaxChunkLen, 16*1024)
}
}
func TestMaxDataLen(t *testing.T) {
if MaxDataLen != 457 {
t.Errorf("MaxDataLen = %d, want %d", MaxDataLen, 457)
}
}
type mockLink struct {
status byte
rtt float64
}
func (m *mockLink) GetStatus() byte { return m.status }
func (m *mockLink) GetRTT() float64 { return m.rtt }
func (m *mockLink) RTT() float64 { return m.rtt }
func (m *mockLink) GetLinkID() []byte { return []byte("testlink") }
func (m *mockLink) Send(data []byte) interface{} { return &packet.Packet{Raw: data} }
func (m *mockLink) Resend(p interface{}) error { return nil }
func (m *mockLink) SetPacketTimeout(p interface{}, cb func(interface{}), t time.Duration) {}
func (m *mockLink) SetPacketDelivered(p interface{}, cb func(interface{})) {}
func (m *mockLink) HandleInbound(pkt *packet.Packet) error { return nil }
func (m *mockLink) ValidateLinkProof(pkt *packet.Packet, networkIface common.NetworkInterface) error {
return nil
}
func TestNewRawChannelReader(t *testing.T) {
link := &mockLink{status: transport.STATUS_ACTIVE}
ch := channel.NewChannel(link)
reader := NewRawChannelReader(123, ch)
if reader.streamID != 123 {
t.Errorf("streamID = %d, want %d", reader.streamID, 123)
}
if reader.channel != ch {
t.Error("channel not set correctly")
}
if reader.buffer == nil {
t.Error("buffer is nil")
}
if reader.callbacks == nil {
t.Error("callbacks is nil")
}
}
func TestRawChannelReader_RemoveReadyCallback(t *testing.T) {
reader := &RawChannelReader{
streamID: 1,
buffer: bytes.NewBuffer(nil),
callbacks: make(map[int]func(int)),
}
cb1 := func(int) {}
cb2 := func(int) {}
id1 := reader.AddReadyCallback(cb1)
reader.AddReadyCallback(cb2)
if len(reader.callbacks) != 2 {
t.Errorf("callbacks length = %d, want 2", len(reader.callbacks))
}
reader.RemoveReadyCallback(id1)
if len(reader.callbacks) != 1 {
t.Errorf("RemoveReadyCallback did not remove callback, length = %d", len(reader.callbacks))
}
}
func TestRawChannelReader_Read(t *testing.T) {
reader := &RawChannelReader{
streamID: 1,
buffer: bytes.NewBuffer([]byte("test data")),
eof: false,
}
data := make([]byte, 10)
n, err := reader.Read(data)
if err != nil {
t.Errorf("Read() error = %v", err)
}
if n == 0 {
t.Error("Read() returned 0 bytes")
}
reader.eof = true
reader.buffer = bytes.NewBuffer(nil)
n, err = reader.Read(data)
if err != io.EOF {
t.Errorf("Read() error = %v, want io.EOF", err)
}
if n != 0 {
t.Errorf("Read() = %d bytes, want 0", n)
}
}
func TestRawChannelReader_HandleMessage(t *testing.T) {
reader := &RawChannelReader{
streamID: 1,
buffer: bytes.NewBuffer(nil),
callbacks: make(map[int]func(int)),
}
msg := &StreamDataMessage{
StreamID: 1,
Data: []byte("test"),
EOF: false,
Compressed: false,
}
called := false
reader.AddReadyCallback(func(int) {
called = true
})
result := reader.HandleMessage(msg)
if !result {
t.Error("HandleMessage() = false, want true")
}
if !called {
t.Error("callback was not called")
}
if reader.buffer.Len() == 0 {
t.Error("buffer is empty after HandleMessage")
}
msg.StreamID = 2
result = reader.HandleMessage(msg)
if result {
t.Error("HandleMessage() = true, want false for different streamID")
}
msg.StreamID = 1
msg.EOF = true
reader.HandleMessage(msg)
if !reader.eof {
t.Error("EOF not set after HandleMessage with EOF flag")
}
}
func TestNewRawChannelWriter(t *testing.T) {
link := &mockLink{status: transport.STATUS_ACTIVE}
ch := channel.NewChannel(link)
writer := NewRawChannelWriter(456, ch)
if writer.streamID != 456 {
t.Errorf("streamID = %d, want %d", writer.streamID, 456)
}
if writer.channel != ch {
t.Error("channel not set correctly")
}
if writer.eof {
t.Error("eof should be false initially")
}
}
func TestRawChannelWriter_Write(t *testing.T) {
link := &mockLink{status: transport.STATUS_ACTIVE}
ch := channel.NewChannel(link)
writer := NewRawChannelWriter(1, ch)
data := []byte("test data")
n, err := writer.Write(data)
if err != nil {
t.Errorf("Write() error = %v", err)
}
if n != len(data) {
t.Errorf("Write() = %d bytes, want %d", n, len(data))
}
largeData := make([]byte, MaxChunkLen+100)
n, err = writer.Write(largeData)
if err != nil {
t.Errorf("Write() error = %v", err)
}
if n != MaxChunkLen {
t.Errorf("Write() = %d bytes, want %d", n, MaxChunkLen)
}
}
func TestRawChannelWriter_Close(t *testing.T) {
link := &mockLink{status: transport.STATUS_ACTIVE}
ch := channel.NewChannel(link)
writer := NewRawChannelWriter(1, ch)
if writer.eof {
t.Error("EOF should be false before Close()")
}
err := writer.Close()
if err != nil {
t.Errorf("Close() error = %v", err)
}
if !writer.eof {
t.Error("EOF should be true after Close()")
}
}
func TestCreateReader(t *testing.T) {
link := &mockLink{status: transport.STATUS_ACTIVE}
ch := channel.NewChannel(link)
callback := func(int) {}
reader := CreateReader(789, ch, callback)
if reader == nil {
t.Error("CreateReader() returned nil")
}
}
func TestCreateWriter(t *testing.T) {
link := &mockLink{status: transport.STATUS_ACTIVE}
ch := channel.NewChannel(link)
writer := CreateWriter(101, ch)
if writer == nil {
t.Error("CreateWriter() returned nil")
}
}
func TestCreateBidirectionalBuffer(t *testing.T) {
link := &mockLink{status: transport.STATUS_ACTIVE}
ch := channel.NewChannel(link)
callback := func(int) {}
buf := CreateBidirectionalBuffer(1, 2, ch, callback)
if buf == nil {
t.Error("CreateBidirectionalBuffer() returned nil")
}
}
func TestCompressData(t *testing.T) {
data := []byte("test data for compression")
compressed := compressData(data)
if compressed == nil {
t.Skip("compressData() returned nil (compression implementation may be incomplete)")
}
}
func TestDecompressData(t *testing.T) {
data := []byte("test data")
compressed := compressData(data)
if compressed == nil {
t.Skip("compression not working, skipping decompression test")
}
decompressed := decompressData(compressed)
if decompressed == nil {
t.Error("decompressData() returned nil")
}
}

112
pkg/channel/channel.go
View File

@@ -1,13 +1,16 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package channel
import (
"errors"
"log"
"math"
"sync"
"time"
"github.com/Sudo-Ivan/reticulum-go/pkg/transport"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
"git.quad4.io/Networks/Reticulum-Go/pkg/transport"
)
const (
@@ -33,6 +36,19 @@ const (
SeqModulus uint16 = SeqMax
FastRateThreshold = 10
// Timeout calculation constants
RTTMinThreshold = 0.025
TimeoutBaseMultiplier = 1.5
TimeoutRingMultiplier = 2.5
TimeoutRingOffset = 2
// Packet header constants
ChannelHeaderSize = 6
ChannelHeaderBits = 8
// Default retry count
DefaultMaxTries = 3
)
// MessageState represents the state of a message
@@ -67,7 +83,13 @@ type Channel struct {
maxTries int
fastRateRounds int
medRateRounds int
messageHandlers []func(MessageBase) bool
messageHandlers []messageHandlerEntry
nextHandlerID int
}
type messageHandlerEntry struct {
id int
handler func(MessageBase) bool
}
// Envelope wraps a message with metadata for transmission
@@ -84,12 +106,12 @@ type Envelope struct {
func NewChannel(link transport.LinkInterface) *Channel {
return &Channel{
link: link,
messageHandlers: make([]func(MessageBase) bool, 0),
messageHandlers: make([]messageHandlerEntry, 0),
mutex: sync.RWMutex{},
windowMax: WindowMaxSlow,
windowMin: WindowMinSlow,
window: WindowInitial,
maxTries: 3,
maxTries: DefaultMaxTries,
}
}
@@ -106,7 +128,7 @@ func (c *Channel) Send(msg MessageBase) error {
}
c.mutex.Lock()
c.nextSequence = (c.nextSequence + 1) % SeqModulus
c.nextSequence = (c.nextSequence + common.ONE) % SeqModulus
c.txRing = append(c.txRing, env)
c.mutex.Unlock()
@@ -141,7 +163,7 @@ func (c *Channel) handleTimeout(packet interface{}) {
env.Tries++
if err := c.link.Resend(packet); err != nil { // #nosec G104
// Handle resend error, e.g., log it or mark envelope as failed
log.Printf("Failed to resend packet: %v", err)
debug.Log(debug.DEBUG_INFO, "Failed to resend packet", "error", err)
// Optionally, mark the envelope as failed or remove it from txRing
// env.State = MsgStateFailed
// c.txRing = append(c.txRing[:i], c.txRing[i+1:]...)
@@ -169,25 +191,28 @@ func (c *Channel) handleDelivered(packet interface{}) {
func (c *Channel) getPacketTimeout(tries int) time.Duration {
rtt := c.link.GetRTT()
if rtt < 0.025 {
rtt = 0.025
if rtt < RTTMinThreshold {
rtt = RTTMinThreshold
}
timeout := math.Pow(1.5, float64(tries-1)) * rtt * 2.5 * float64(len(c.txRing)+2)
timeout := math.Pow(TimeoutBaseMultiplier, float64(tries-common.ONE)) * rtt * TimeoutRingMultiplier * float64(len(c.txRing)+TimeoutRingOffset)
return time.Duration(timeout * float64(time.Second))
}
func (c *Channel) AddMessageHandler(handler func(MessageBase) bool) {
func (c *Channel) AddMessageHandler(handler func(MessageBase) bool) int {
c.mutex.Lock()
defer c.mutex.Unlock()
c.messageHandlers = append(c.messageHandlers, handler)
id := c.nextHandlerID
c.nextHandlerID++
c.messageHandlers = append(c.messageHandlers, messageHandlerEntry{id: id, handler: handler})
return id
}
func (c *Channel) RemoveMessageHandler(handler func(MessageBase) bool) {
func (c *Channel) RemoveMessageHandler(id int) {
c.mutex.Lock()
defer c.mutex.Unlock()
for i, h := range c.messageHandlers {
if &h == &handler {
for i, entry := range c.messageHandlers {
if entry.id == id {
c.messageHandlers = append(c.messageHandlers[:i], c.messageHandlers[i+1:]...)
break
}
@@ -198,10 +223,10 @@ func (c *Channel) updateRateThresholds() {
rtt := c.link.RTT()
if rtt > RTTFast {
c.fastRateRounds = 0
c.fastRateRounds = common.ZERO
if rtt > RTTMedium {
c.medRateRounds = 0
c.medRateRounds = common.ZERO
} else {
c.medRateRounds++
if c.windowMax < WindowMaxMedium && c.medRateRounds == FastRateThreshold {
@@ -218,6 +243,59 @@ func (c *Channel) updateRateThresholds() {
}
}
func (c *Channel) HandleInbound(data []byte) error {
if len(data) < ChannelHeaderSize {
return errors.New("channel packet too short")
}
msgType := uint16(data[0])<<ChannelHeaderBits | uint16(data[1])
sequence := uint16(data[2])<<ChannelHeaderBits | uint16(data[3])
length := uint16(data[4])<<ChannelHeaderBits | uint16(data[5])
if len(data) < ChannelHeaderSize+int(length) {
return errors.New("channel packet incomplete")
}
msgData := data[ChannelHeaderSize : ChannelHeaderSize+length]
c.mutex.Lock()
defer c.mutex.Unlock()
for _, entry := range c.messageHandlers {
if entry.handler != nil {
msg := &GenericMessage{
Type: msgType,
Data: msgData,
Seq: sequence,
}
if entry.handler(msg) {
break
}
}
}
return nil
}
type GenericMessage struct {
Type uint16
Data []byte
Seq uint16
}
func (g *GenericMessage) Pack() ([]byte, error) {
return g.Data, nil
}
func (g *GenericMessage) Unpack(data []byte) error {
g.Data = data
return nil
}
func (g *GenericMessage) GetType() uint16 {
return g.Type
}
func (c *Channel) Close() error {
c.mutex.Lock()
defer c.mutex.Unlock()

130
pkg/channel/channel_test.go Normal file
View File

@@ -0,0 +1,130 @@
package channel
import (
"bytes"
"testing"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/packet"
)
type mockLink struct {
status byte
rtt float64
sent [][]byte
timeouts map[interface{}]func(interface{})
delivered map[interface{}]func(interface{})
}
func (m *mockLink) GetStatus() byte { return m.status }
func (m *mockLink) GetRTT() float64 { return m.rtt }
func (m *mockLink) RTT() float64 { return m.rtt }
func (m *mockLink) GetLinkID() []byte { return []byte("testlink") }
func (m *mockLink) Send(data []byte) interface{} {
m.sent = append(m.sent, data)
p := &packet.Packet{Raw: data}
return p
}
func (m *mockLink) Resend(p interface{}) error { return nil }
func (m *mockLink) SetPacketTimeout(p interface{}, cb func(interface{}), t time.Duration) {
if m.timeouts == nil {
m.timeouts = make(map[interface{}]func(interface{}))
}
m.timeouts[p] = cb
}
func (m *mockLink) SetPacketDelivered(p interface{}, cb func(interface{})) {
if m.delivered == nil {
m.delivered = make(map[interface{}]func(interface{}))
}
m.delivered[p] = cb
}
func (m *mockLink) HandleInbound(pkt *packet.Packet) error { return nil }
func (m *mockLink) ValidateLinkProof(pkt *packet.Packet, networkIface common.NetworkInterface) error {
return nil
}
type testMessage struct {
data []byte
}
func (m *testMessage) Pack() ([]byte, error) { return m.data, nil }
func (m *testMessage) Unpack(data []byte) error { m.data = data; return nil }
func (m *testMessage) GetType() uint16 { return 1 }
func TestNewChannel(t *testing.T) {
link := &mockLink{}
c := NewChannel(link)
if c == nil {
t.Fatal("NewChannel returned nil")
}
}
func TestChannelSend(t *testing.T) {
link := &mockLink{status: 1} // STATUS_ACTIVE
c := NewChannel(link)
msg := &testMessage{data: []byte("test")}
err := c.Send(msg)
if err != nil {
t.Fatalf("Send failed: %v", err)
}
if len(link.sent) != 1 {
t.Errorf("Expected 1 packet sent, got %d", len(link.sent))
}
}
func TestHandleInbound(t *testing.T) {
link := &mockLink{}
c := NewChannel(link)
received := false
c.AddMessageHandler(func(m MessageBase) bool {
received = true
return true
})
// Packet format: [type 2][seq 2][len 2][data]
data := []byte{0, 1, 0, 1, 0, 4, 't', 'e', 's', 't'}
err := c.HandleInbound(data)
if err != nil {
t.Fatalf("HandleInbound failed: %v", err)
}
if !received {
t.Error("Message handler was not called")
}
}
func TestMessageHandlers(t *testing.T) {
c := &Channel{
messageHandlers: make([]messageHandlerEntry, 0),
}
h := func(m MessageBase) bool { return true }
id := c.AddMessageHandler(h)
if len(c.messageHandlers) != 1 {
t.Errorf("Expected 1 handler, got %d", len(c.messageHandlers))
}
c.RemoveMessageHandler(id)
if len(c.messageHandlers) != 0 {
t.Errorf("Expected 0 handlers, got %d", len(c.messageHandlers))
}
}
func TestGenericMessage(t *testing.T) {
msg := &GenericMessage{Type: 1, Data: []byte("test")}
if msg.GetType() != 1 {
t.Error("Wrong type")
}
p, _ := msg.Pack()
if !bytes.Equal(p, []byte("test")) {
t.Error("Pack failed")
}
msg.Unpack([]byte("new"))
if !bytes.Equal(msg.Data, []byte("new")) {
t.Error("Unpack failed")
}
}

2
pkg/common/config.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package common
import (

85
pkg/common/constants.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package common
const (
@@ -58,4 +60,87 @@ const (
STALE_TIME = 720
PATH_REQUEST_TTL = 300
ANNOUNCE_TIMEOUT = 15
// Common Numeric Constants
ZERO = 0
ONE = 1
TWO = 2
THREE = 3
FOUR = 4
FIVE = 5
SIX = 6
SEVEN = 7
EIGHT = 8
FIFTEEN = 15
// Common Size Constants
SIZE_16 = 16
SIZE_32 = 32
SIZE_48 = 48
SIZE_64 = 64
SIXTY_SEVEN = 67
TOKEN_OVERHEAD = 48
// Common Hex Constants
HEX_0x00 = 0x00
HEX_0x01 = 0x01
HEX_0x02 = 0x02
HEX_0x03 = 0x03
HEX_0x04 = 0x04
HEX_0x92 = 0x92
HEX_0x93 = 0x93
HEX_0xC2 = 0xC2
HEX_0xC3 = 0xC3
HEX_0xC4 = 0xC4
HEX_0xD1 = 0xD1
HEX_0xD2 = 0xD2
HEX_0xFE = 0xFE
HEX_0xFF = 0xFF
// Common Numeric Constants
NUM_11 = 11
NUM_100 = 100
NUM_500 = 500
NUM_1024 = 1024
NUM_1064 = 1064
NUM_4242 = 4242
NUM_0700 = 0700
// Common Float Constants
FLOAT_ZERO = 0.0
FLOAT_0_001 = 0.001
FLOAT_0_025 = 0.025
FLOAT_0_1 = 0.1
FLOAT_1_0 = 1.0
FLOAT_1_75 = 1.75
FLOAT_5_0 = 5.0
FLOAT_1E9 = 1e9
// Common String Constants
STR_LINK_ID = "link_id"
STR_BYTES = "bytes"
STR_FMT_HEX = "0x%02x"
STR_FMT_HEX_LOW = "%x"
STR_FMT_DEC = "%d"
STR_TEST = "test"
STR_LINK = "link"
STR_ERROR = "error"
STR_HASH = "hash"
STR_NAME = "name"
STR_TYPE = "type"
STR_STORAGE = "storage"
STR_PATH = "path"
STR_COUNT = "count"
STR_HOME = "HOME"
STR_PUBLIC_KEY = "public_key"
STR_TCP_CLIENT = "TCPClientInterface"
STR_UDP = "udp"
STR_UDP6 = "udp6"
STR_TCP = "tcp"
STR_ETH0 = "eth0"
STR_INTERFACE = "interface"
STR_PEER = "peer"
STR_ADDR = "addr"
STR_LINK_NOT_ACTIVE = "link not active"
STR_INTERFACE_OFFLINE = "interface offline or detached"
)

4
pkg/common/interfaces.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package common
import (
@@ -181,12 +183,10 @@ func (i *BaseInterface) SendLinkPacket(dest []byte, data []byte, timestamp time.
packet = append(packet, 0x02) // Link packet type
packet = append(packet, dest...)
// Add timestamp
ts := make([]byte, 8)
binary.BigEndian.PutUint64(ts, uint64(timestamp.Unix())) // #nosec G115
packet = append(packet, ts...)
// Add data
packet = append(packet, data...)
return i.Send(packet, "")

288
pkg/common/interfaces_test.go Normal file
View File

@@ -0,0 +1,288 @@
package common
import (
"testing"
"time"
)
func TestNewBaseInterface(t *testing.T) {
iface := NewBaseInterface("test0", IF_TYPE_UDP, true)
if iface.Name != "test0" {
t.Errorf("Name = %q, want %q", iface.Name, "test0")
}
if iface.Type != IF_TYPE_UDP {
t.Errorf("Type = %v, want %v", iface.Type, IF_TYPE_UDP)
}
if iface.Mode != IF_MODE_FULL {
t.Errorf("Mode = %v, want %v", iface.Mode, IF_MODE_FULL)
}
if !iface.Enabled {
t.Errorf("Enabled = %v, want true", iface.Enabled)
}
if iface.MTU != DEFAULT_MTU {
t.Errorf("MTU = %d, want %d", iface.MTU, DEFAULT_MTU)
}
if iface.Bitrate != BITRATE_MINIMUM {
t.Errorf("Bitrate = %d, want %d", iface.Bitrate, BITRATE_MINIMUM)
}
}
func TestBaseInterface_GetType(t *testing.T) {
iface := NewBaseInterface("test1", IF_TYPE_TCP, true)
if iface.GetType() != IF_TYPE_TCP {
t.Errorf("GetType() = %v, want %v", iface.GetType(), IF_TYPE_TCP)
}
}
func TestBaseInterface_GetMode(t *testing.T) {
iface := NewBaseInterface("test2", IF_TYPE_UDP, true)
if iface.GetMode() != IF_MODE_FULL {
t.Errorf("GetMode() = %v, want %v", iface.GetMode(), IF_MODE_FULL)
}
}
func TestBaseInterface_GetMTU(t *testing.T) {
iface := NewBaseInterface("test3", IF_TYPE_UDP, true)
if iface.GetMTU() != DEFAULT_MTU {
t.Errorf("GetMTU() = %d, want %d", iface.GetMTU(), DEFAULT_MTU)
}
}
func TestBaseInterface_GetName(t *testing.T) {
iface := NewBaseInterface("test4", IF_TYPE_UDP, true)
if iface.GetName() != "test4" {
t.Errorf("GetName() = %q, want %q", iface.GetName(), "test4")
}
}
func TestBaseInterface_IsEnabled(t *testing.T) {
iface := NewBaseInterface("test5", IF_TYPE_UDP, true)
iface.Online = true
iface.Detached = false
if !iface.IsEnabled() {
t.Error("IsEnabled() = false, want true")
}
iface.Enabled = false
if iface.IsEnabled() {
t.Error("IsEnabled() = true, want false when disabled")
}
iface.Enabled = true
iface.Online = false
if iface.IsEnabled() {
t.Error("IsEnabled() = true, want false when offline")
}
iface.Online = true
iface.Detached = true
if iface.IsEnabled() {
t.Error("IsEnabled() = true, want false when detached")
}
}
func TestBaseInterface_IsOnline(t *testing.T) {
iface := NewBaseInterface("test6", IF_TYPE_UDP, true)
iface.Online = true
if !iface.IsOnline() {
t.Error("IsOnline() = false, want true")
}
iface.Online = false
if iface.IsOnline() {
t.Error("IsOnline() = true, want false")
}
}
func TestBaseInterface_IsDetached(t *testing.T) {
iface := NewBaseInterface("test7", IF_TYPE_UDP, true)
iface.Detached = true
if !iface.IsDetached() {
t.Error("IsDetached() = false, want true")
}
iface.Detached = false
if iface.IsDetached() {
t.Error("IsDetached() = true, want false")
}
}
func TestBaseInterface_SetPacketCallback(t *testing.T) {
iface := NewBaseInterface("test8", IF_TYPE_UDP, true)
callback := func(data []byte, ni NetworkInterface) {}
iface.SetPacketCallback(callback)
if iface.GetPacketCallback() == nil {
t.Error("GetPacketCallback() = nil, want callback")
}
}
func TestBaseInterface_GetPacketCallback(t *testing.T) {
iface := NewBaseInterface("test9", IF_TYPE_UDP, true)
if iface.GetPacketCallback() != nil {
t.Error("GetPacketCallback() != nil, want nil")
}
callback := func(data []byte, ni NetworkInterface) {}
iface.SetPacketCallback(callback)
if iface.GetPacketCallback() == nil {
t.Error("GetPacketCallback() = nil, want callback")
}
}
func TestBaseInterface_Detach(t *testing.T) {
iface := NewBaseInterface("test10", IF_TYPE_UDP, true)
iface.Online = true
iface.Detached = false
iface.Detach()
if !iface.IsDetached() {
t.Error("IsDetached() = false, want true after Detach()")
}
if iface.IsOnline() {
t.Error("IsOnline() = true, want false after Detach()")
}
}
func TestBaseInterface_Enable(t *testing.T) {
iface := NewBaseInterface("test11", IF_TYPE_UDP, false)
iface.Online = false
iface.Enable()
if !iface.Enabled {
t.Error("Enabled = false, want true after Enable()")
}
if !iface.IsOnline() {
t.Error("IsOnline() = false, want true after Enable()")
}
}
func TestBaseInterface_Disable(t *testing.T) {
iface := NewBaseInterface("test12", IF_TYPE_UDP, true)
iface.Online = true
iface.Disable()
if iface.Enabled {
t.Error("Enabled = true, want false after Disable()")
}
if iface.IsOnline() {
t.Error("IsOnline() = true, want false after Disable()")
}
}
func TestBaseInterface_Start(t *testing.T) {
iface := NewBaseInterface("test13", IF_TYPE_UDP, true)
if err := iface.Start(); err != nil {
t.Errorf("Start() error = %v, want nil", err)
}
}
func TestBaseInterface_Stop(t *testing.T) {
iface := NewBaseInterface("test14", IF_TYPE_UDP, true)
if err := iface.Stop(); err != nil {
t.Errorf("Stop() error = %v, want nil", err)
}
}
func TestBaseInterface_GetConn(t *testing.T) {
iface := NewBaseInterface("test15", IF_TYPE_UDP, true)
if iface.GetConn() != nil {
t.Error("GetConn() != nil, want nil")
}
}
func TestBaseInterface_Send(t *testing.T) {
iface := NewBaseInterface("test16", IF_TYPE_UDP, true)
data := []byte("test data")
if err := iface.Send(data, ""); err != nil {
t.Errorf("Send() error = %v, want nil", err)
}
}
func TestBaseInterface_ProcessIncoming(t *testing.T) {
iface := NewBaseInterface("test17", IF_TYPE_UDP, true)
called := false
callback := func(data []byte, ni NetworkInterface) {
called = true
}
iface.SetPacketCallback(callback)
data := []byte("test")
iface.ProcessIncoming(data)
if !called {
t.Error("ProcessIncoming() did not call callback")
}
iface.SetPacketCallback(nil)
iface.ProcessIncoming(data)
}
func TestBaseInterface_ProcessOutgoing(t *testing.T) {
iface := NewBaseInterface("test18", IF_TYPE_UDP, true)
data := []byte("test data")
if err := iface.ProcessOutgoing(data); err != nil {
t.Errorf("ProcessOutgoing() error = %v, want nil", err)
}
}
func TestBaseInterface_SendPathRequest(t *testing.T) {
iface := NewBaseInterface("test19", IF_TYPE_UDP, true)
data := []byte("path request")
if err := iface.SendPathRequest(data); err != nil {
t.Errorf("SendPathRequest() error = %v, want nil", err)
}
}
func TestBaseInterface_SendLinkPacket(t *testing.T) {
iface := NewBaseInterface("test20", IF_TYPE_UDP, true)
dest := []byte("destination")
data := []byte("link data")
timestamp := time.Now()
if err := iface.SendLinkPacket(dest, data, timestamp); err != nil {
t.Errorf("SendLinkPacket() error = %v, want nil", err)
}
}
func TestBaseInterface_GetBandwidthAvailable(t *testing.T) {
iface := NewBaseInterface("test21", IF_TYPE_UDP, true)
if !iface.GetBandwidthAvailable() {
t.Error("GetBandwidthAvailable() = false, want true when no recent transmission")
}
iface.lastTx = time.Now()
iface.TxBytes = 0
if !iface.GetBandwidthAvailable() {
t.Error("GetBandwidthAvailable() = false, want true when TxBytes is 0")
}
iface.lastTx = time.Now().Add(-500 * time.Millisecond)
iface.TxBytes = 1000
iface.Bitrate = 1000000
if !iface.GetBandwidthAvailable() {
t.Error("GetBandwidthAvailable() = false, want true when usage is below threshold")
}
iface.TxBytes = 10000000
iface.Bitrate = 1000
if iface.GetBandwidthAvailable() {
t.Error("GetBandwidthAvailable() = true, want false when usage exceeds threshold")
}
}

2
pkg/common/types.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package common
import (

4
pkg/config/config.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package config
import (
@@ -39,6 +41,7 @@ type Config struct {
}
func LoadConfig(path string) (*Config, error) {
// bearer:disable go_gosec_filesystem_filereadtaint
file, err := os.Open(path) // #nosec G304
if err != nil {
return nil, err
@@ -222,7 +225,6 @@ func InitConfig() (*Config, error) {
cfg.Logging.Level = "info"
cfg.Logging.File = filepath.Join(GetConfigDir(), "reticulum.log")
// Add default interfaces
cfg.Interfaces = append(cfg.Interfaces, struct {
Name string
Type string

192
pkg/config/config_test.go Normal file
View File

@@ -0,0 +1,192 @@
package config
import (
"os"
"path/filepath"
"testing"
)
func TestLoadConfig(t *testing.T) {
tmpDir := t.TempDir()
configPath := filepath.Join(tmpDir, "test_config")
configContent := `[identity]
name = test-identity
storage_path = /tmp/test-storage
[transport]
announce_interval = 300
path_request_timeout = 15
max_hops = 8
bitrate_limit = 1000000
[logging]
level = info
file = /tmp/test.log
[interface test-interface]
type = UDPInterface
enabled = true
listen_ip = 127.0.0.1
listen_port = 37696
`
if err := os.WriteFile(configPath, []byte(configContent), 0600); err != nil {
t.Fatalf("Failed to write test config: %v", err)
}
cfg, err := LoadConfig(configPath)
if err != nil {
t.Fatalf("LoadConfig() error = %v", err)
}
if cfg == nil {
t.Fatal("LoadConfig() returned nil")
}
if len(cfg.Interfaces) == 0 {
t.Error("No interfaces loaded")
}
iface := cfg.Interfaces[0]
if iface.Type != "UDPInterface" {
t.Errorf("Interface type = %s, want UDPInterface", iface.Type)
}
if !iface.Enabled {
t.Error("Interface should be enabled")
}
if iface.ListenIP != "127.0.0.1" {
t.Errorf("Interface ListenIP = %s, want 127.0.0.1", iface.ListenIP)
}
if iface.ListenPort != 37696 {
t.Errorf("Interface ListenPort = %d, want 37696", iface.ListenPort)
}
}
func TestLoadConfig_NonexistentFile(t *testing.T) {
_, err := LoadConfig("/nonexistent/path/config")
if err == nil {
t.Error("LoadConfig() should return error for nonexistent file")
}
}
func TestLoadConfig_EmptyFile(t *testing.T) {
tmpDir := t.TempDir()
configPath := filepath.Join(tmpDir, "empty_config")
if err := os.WriteFile(configPath, []byte(""), 0600); err != nil {
t.Fatalf("Failed to write empty config: %v", err)
}
cfg, err := LoadConfig(configPath)
if err != nil {
t.Fatalf("LoadConfig() error = %v", err)
}
if cfg == nil {
t.Fatal("LoadConfig() returned nil")
}
}
func TestLoadConfig_CommentsAndEmptyLines(t *testing.T) {
tmpDir := t.TempDir()
configPath := filepath.Join(tmpDir, "test_config")
configContent := `# Comment line
[identity]
name = test
# Another comment
[interface test-interface]
# Interface comment
type = UDPInterface
enabled = true
`
if err := os.WriteFile(configPath, []byte(configContent), 0600); err != nil {
t.Fatalf("Failed to write test config: %v", err)
}
cfg, err := LoadConfig(configPath)
if err != nil {
t.Fatalf("LoadConfig() error = %v", err)
}
if cfg == nil {
t.Fatal("LoadConfig() returned nil")
}
if cfg.Identity.Name != "test" {
t.Errorf("Identity.Name = %s, want test", cfg.Identity.Name)
}
}
func TestSaveConfig(t *testing.T) {
tmpDir := t.TempDir()
configPath := filepath.Join(tmpDir, "test_config")
cfg := &Config{}
cfg.Identity.Name = "test-identity"
cfg.Identity.StoragePath = "/tmp/test"
cfg.Transport.AnnounceInterval = 600
cfg.Logging.Level = "debug"
cfg.Logging.File = "/tmp/test.log"
if err := SaveConfig(cfg, configPath); err != nil {
t.Fatalf("SaveConfig() error = %v", err)
}
loaded, err := LoadConfig(configPath)
if err != nil {
t.Fatalf("LoadConfig() error = %v", err)
}
if loaded.Identity.Name != "test-identity" {
t.Errorf("Identity.Name = %s, want test-identity", loaded.Identity.Name)
}
if loaded.Transport.AnnounceInterval != 600 {
t.Errorf("Transport.AnnounceInterval = %d, want 600", loaded.Transport.AnnounceInterval)
}
}
func TestGetConfigDir(t *testing.T) {
dir := GetConfigDir()
if dir == "" {
t.Error("GetConfigDir() returned empty string")
}
}
func TestGetDefaultConfigPath(t *testing.T) {
path := GetDefaultConfigPath()
if path == "" {
t.Error("GetDefaultConfigPath() returned empty string")
}
}
func TestEnsureConfigDir(t *testing.T) {
if err := EnsureConfigDir(); err != nil {
t.Fatalf("EnsureConfigDir() error = %v", err)
}
}
func TestInitConfig(t *testing.T) {
tmpDir := t.TempDir()
originalHome := os.Getenv("HOME")
defer func() {
if originalHome != "" {
os.Setenv("HOME", originalHome)
}
}()
os.Setenv("HOME", tmpDir)
cfg, err := InitConfig()
if err != nil {
t.Fatalf("InitConfig() error = %v", err)
}
if cfg == nil {
t.Fatal("InitConfig() returned nil")
}
}

2
pkg/cryptography/aes.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package cryptography
import (

11
pkg/cryptography/aes_test.go
View File

@@ -86,7 +86,6 @@ func TestAES256CBC_InvalidKeySize(t *testing.T) {
}
}
func TestDecryptAES256CBCErrorCases(t *testing.T) {
key, err := GenerateAES256Key()
if err != nil {
@@ -119,10 +118,16 @@ func TestDecryptAES256CBCErrorCases(t *testing.T) {
t.Fatalf("Failed to create test ciphertext: %v", err)
}
// Corrupt the last byte (which affects padding)
// Corrupt the byte that XORs with the last padding byte.
// In CBC, P[i] = D(C[i]) ^ C[i-1].
// The last byte of plaintext P[len-1] depends on C[len-1] and C[len-1-BlockSize].
// If we modify C[len-1-BlockSize], we flip the bits of P[len-1] predictably.
// If we modify C[len-1] (the last byte of ciphertext), we scramble the whole block D(C[len-1]),
// which might accidentally result in valid padding (e.g. 0x01).
// So we corrupt the IV (or previous block) corresponding to the last byte.
corruptedCiphertext := make([]byte, len(ciphertext))
copy(corruptedCiphertext, ciphertext)
corruptedCiphertext[len(corruptedCiphertext)-1] ^= 0xFF
corruptedCiphertext[len(ciphertext)-aes.BlockSize-1] ^= 0xFF
_, err = DecryptAES256CBC(key, corruptedCiphertext)
if err == nil {

2
pkg/cryptography/constants.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package cryptography
import (

2
pkg/cryptography/curve25519.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package cryptography
import (

2
pkg/cryptography/ed25519.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package cryptography
import (

49
pkg/cryptography/hkdf.go
View File

@@ -1,17 +1,50 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package cryptography
import (
"crypto/hmac"
"crypto/sha256"
"io"
"golang.org/x/crypto/hkdf"
"errors"
"math"
)
func DeriveKey(secret, salt, info []byte, length int) ([]byte, error) {
hkdfReader := hkdf.New(sha256.New, secret, salt, info)
key := make([]byte, length)
if _, err := io.ReadFull(hkdfReader, key); err != nil {
return nil, err
hashLen := 32
if length < 1 {
return nil, errors.New("invalid output key length")
}
return key, nil
if len(secret) == 0 {
return nil, errors.New("cannot derive key from empty input material")
}
if len(salt) == 0 {
salt = make([]byte, hashLen)
}
if info == nil {
info = []byte{}
}
pseudorandomKey := hmac.New(sha256.New, salt)
pseudorandomKey.Write(secret)
prk := pseudorandomKey.Sum(nil)
block := []byte{}
derived := []byte{}
iterations := int(math.Ceil(float64(length) / float64(hashLen)))
for i := 0; i < iterations; i++ {
h := hmac.New(sha256.New, prk)
h.Write(block)
h.Write(info)
counter := byte((i + 1) % (0xFF + 1))
h.Write([]byte{counter})
block = h.Sum(nil)
derived = append(derived, block...)
}
return derived[:length], nil
}

13
pkg/cryptography/hkdf_test.go
View File

@@ -77,8 +77,8 @@ func TestDeriveKeyEdgeCases(t *testing.T) {
t.Run("EmptySecret", func(t *testing.T) {
_, err := DeriveKey([]byte{}, salt, info, 32)
if err != nil {
t.Errorf("DeriveKey failed with empty secret: %v", err)
if err == nil {
t.Errorf("DeriveKey should fail with empty secret")
}
})
@@ -97,12 +97,9 @@ func TestDeriveKeyEdgeCases(t *testing.T) {
})
t.Run("ZeroLength", func(t *testing.T) {
key, err := DeriveKey(secret, salt, info, 0)
if err != nil {
t.Errorf("DeriveKey failed with zero length: %v", err)
}
if len(key) != 0 {
t.Errorf("DeriveKey with zero length returned non-empty key: %x", key)
_, err := DeriveKey(secret, salt, info, 0)
if err == nil {
t.Errorf("DeriveKey should fail with zero length")
}
})
}

2
pkg/cryptography/hmac.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package cryptography
import (

7
pkg/debug/debug.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package debug
import (
@@ -18,8 +20,8 @@ const (
)
var (
debugLevel = flag.Int("debug", 3, "debug level (1-7)")
logger *slog.Logger
debugLevel = flag.Int("debug", 3, "debug level (1-7)")
logger *slog.Logger
initialized bool
)
@@ -113,4 +115,3 @@ func SetDebugLevel(level int) {
func GetDebugLevel() int {
return *debugLevel
}

185
pkg/debug/debug_test.go Normal file
View File

@@ -0,0 +1,185 @@
package debug
import (
"flag"
"testing"
)
func TestInit(t *testing.T) {
originalFlag := flag.CommandLine
defer func() {
flag.CommandLine = originalFlag
initialized = false
}()
flag.CommandLine = flag.NewFlagSet("test", flag.ContinueOnError)
debugLevel = flag.Int("debug", 3, "debug level")
Init()
if !initialized {
t.Error("Init() should set initialized to true")
}
if GetLogger() == nil {
t.Error("GetLogger() should return non-nil logger after Init()")
}
}
func TestGetLogger(t *testing.T) {
originalFlag := flag.CommandLine
defer func() {
flag.CommandLine = originalFlag
initialized = false
}()
flag.CommandLine = flag.NewFlagSet("test", flag.ContinueOnError)
debugLevel = flag.Int("debug", 3, "debug level")
initialized = false
logger := GetLogger()
if logger == nil {
t.Error("GetLogger() should return non-nil logger")
}
if !initialized {
t.Error("GetLogger() should initialize if not already initialized")
}
}
func TestLog(t *testing.T) {
originalFlag := flag.CommandLine
defer func() {
flag.CommandLine = originalFlag
initialized = false
}()
flag.CommandLine = flag.NewFlagSet("test", flag.ContinueOnError)
debugLevel = flag.Int("debug", 7, "debug level")
initialized = false
Log(DEBUG_INFO, "test message", "key", "value")
}
func TestSetDebugLevel(t *testing.T) {
originalFlag := flag.CommandLine
defer func() {
flag.CommandLine = originalFlag
initialized = false
}()
flag.CommandLine = flag.NewFlagSet("test", flag.ContinueOnError)
debugLevel = flag.Int("debug", 3, "debug level")
initialized = false
SetDebugLevel(5)
if GetDebugLevel() != 5 {
t.Errorf("SetDebugLevel(5) did not set level correctly, got %d", GetDebugLevel())
}
}
func TestGetDebugLevel(t *testing.T) {
originalFlag := flag.CommandLine
defer func() {
flag.CommandLine = originalFlag
initialized = false
}()
flag.CommandLine = flag.NewFlagSet("test", flag.ContinueOnError)
debugLevel = flag.Int("debug", 4, "debug level")
level := GetDebugLevel()
if level != 4 {
t.Errorf("GetDebugLevel() = %d, want 4", level)
}
}
func TestLog_LevelFiltering(t *testing.T) {
originalFlag := flag.CommandLine
defer func() {
flag.CommandLine = originalFlag
initialized = false
}()
flag.CommandLine = flag.NewFlagSet("test", flag.ContinueOnError)
debugLevel = flag.Int("debug", 3, "debug level")
initialized = false
Log(DEBUG_TRACE, "trace message")
Log(DEBUG_INFO, "info message")
Log(DEBUG_ERROR, "error message")
}
func TestConstants(t *testing.T) {
if DEBUG_CRITICAL != 1 {
t.Errorf("DEBUG_CRITICAL = %d, want 1", DEBUG_CRITICAL)
}
if DEBUG_ERROR != 2 {
t.Errorf("DEBUG_ERROR = %d, want 2", DEBUG_ERROR)
}
if DEBUG_INFO != 3 {
t.Errorf("DEBUG_INFO = %d, want 3", DEBUG_INFO)
}
if DEBUG_VERBOSE != 4 {
t.Errorf("DEBUG_VERBOSE = %d, want 4", DEBUG_VERBOSE)
}
if DEBUG_TRACE != 5 {
t.Errorf("DEBUG_TRACE = %d, want 5", DEBUG_TRACE)
}
if DEBUG_PACKETS != 6 {
t.Errorf("DEBUG_PACKETS = %d, want 6", DEBUG_PACKETS)
}
if DEBUG_ALL != 7 {
t.Errorf("DEBUG_ALL = %d, want 7", DEBUG_ALL)
}
}
func TestLog_WithArgs(t *testing.T) {
originalFlag := flag.CommandLine
defer func() {
flag.CommandLine = originalFlag
initialized = false
}()
flag.CommandLine = flag.NewFlagSet("test", flag.ContinueOnError)
debugLevel = flag.Int("debug", 7, "debug level")
initialized = false
Log(DEBUG_INFO, "test message", "key1", "value1", "key2", "value2")
}
func TestInit_MultipleCalls(t *testing.T) {
originalFlag := flag.CommandLine
defer func() {
flag.CommandLine = originalFlag
initialized = false
}()
flag.CommandLine = flag.NewFlagSet("test", flag.ContinueOnError)
debugLevel = flag.Int("debug", 3, "debug level")
initialized = false
Init()
firstLogger := GetLogger()
Init()
secondLogger := GetLogger()
if firstLogger != secondLogger {
t.Error("Multiple Init() calls should not create new loggers")
}
}
func TestLog_DisabledLevel(t *testing.T) {
originalFlag := flag.CommandLine
defer func() {
flag.CommandLine = originalFlag
initialized = false
}()
flag.CommandLine = flag.NewFlagSet("test", flag.ContinueOnError)
debugLevel = flag.Int("debug", 1, "debug level")
initialized = false
Log(DEBUG_TRACE, "this should be filtered")
}

487
pkg/destination/destination.go
View File

@@ -1,16 +1,24 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package destination
import (
"crypto/rand"
"crypto/sha256"
"errors"
"fmt"
"log"
"io"
"os"
"sync"
"time"
"github.com/Sudo-Ivan/reticulum-go/pkg/announce"
"github.com/Sudo-Ivan/reticulum-go/pkg/common"
"github.com/Sudo-Ivan/reticulum-go/pkg/identity"
"github.com/Sudo-Ivan/reticulum-go/pkg/transport"
"git.quad4.io/Networks/Reticulum-Go/pkg/announce"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
"git.quad4.io/Networks/Reticulum-Go/pkg/packet"
"github.com/vmihailenco/msgpack/v5"
"golang.org/x/crypto/curve25519"
)
const (
@@ -36,15 +44,6 @@ const (
RATCHET_COUNT = 512 // Default number of retained ratchet keys
RATCHET_INTERVAL = 1800 // Minimum interval between ratchet rotations in seconds
// Debug levels
DEBUG_CRITICAL = 1 // Critical errors
DEBUG_ERROR = 2 // Non-critical errors
DEBUG_INFO = 3 // Important information
DEBUG_VERBOSE = 4 // Detailed information
DEBUG_TRACE = 5 // Very detailed tracing
DEBUG_PACKETS = 6 // Packet-level details
DEBUG_ALL = 7 // Everything
)
type PacketCallback = common.PacketCallback
@@ -56,6 +55,21 @@ type RequestHandler struct {
ResponseGenerator func(path string, data []byte, requestID []byte, linkID []byte, remoteIdentity *identity.Identity, requestedAt int64) []byte
AllowMode byte
AllowedList [][]byte
AutoCompress bool
}
type Transport interface {
GetConfig() *common.ReticulumConfig
GetInterfaces() map[string]common.NetworkInterface
RegisterDestination(hash []byte, dest interface{})
}
type IncomingLinkHandler func(pkt *packet.Packet, dest *Destination, transport interface{}, networkIface common.NetworkInterface) (interface{}, error)
var incomingLinkHandler IncomingLinkHandler
func RegisterIncomingLinkHandler(handler IncomingLinkHandler) {
incomingLinkHandler = handler
}
type Destination struct {
@@ -65,7 +79,7 @@ type Destination struct {
appName string
aspects []string
hashValue []byte
transport *transport.Transport
transport Transport
acceptsLinks bool
proofStrategy byte
@@ -74,11 +88,15 @@ type Destination struct {
proofCallback ProofRequestedCallback
linkCallback LinkEstablishedCallback
ratchetsEnabled bool
ratchetPath string
ratchetCount int
ratchetInterval int
enforceRatchets bool
ratchetsEnabled bool
ratchetPath string
ratchetCount int
ratchetInterval int
enforceRatchets bool
latestRatchetTime time.Time
latestRatchetID []byte
ratchets [][]byte
ratchetFileLock sync.Mutex
defaultAppData []byte
mutex sync.RWMutex
@@ -86,15 +104,11 @@ type Destination struct {
requestHandlers map[string]*RequestHandler
}
func debugLog(level int, format string, v ...interface{}) {
log.Printf("[DEBUG-%d] %s", level, fmt.Sprintf(format, v...))
}
func New(id *identity.Identity, direction byte, destType byte, appName string, transport *transport.Transport, aspects ...string) (*Destination, error) {
debugLog(DEBUG_INFO, "Creating new destination: app=%s type=%d direction=%d", appName, destType, direction)
func New(id *identity.Identity, direction byte, destType byte, appName string, transport Transport, aspects ...string) (*Destination, error) {
debug.Log(debug.DEBUG_INFO, "Creating new destination", "app", appName, "type", destType, "direction", direction)
if id == nil {
debugLog(DEBUG_ERROR, "Cannot create destination: identity is nil")
debug.Log(debug.DEBUG_ERROR, "Cannot create destination: identity is nil")
return nil, errors.New("identity cannot be nil")
}
@@ -114,18 +128,24 @@ func New(id *identity.Identity, direction byte, destType byte, appName string, t
// Generate destination hash
d.hashValue = d.calculateHash()
debugLog(DEBUG_VERBOSE, "Created destination with hash: %x", d.hashValue)
debug.Log(debug.DEBUG_VERBOSE, "Created destination with hash", "hash", fmt.Sprintf("%x", d.hashValue))
// Auto-register with transport if direction is IN
if (direction & IN) != 0 {
transport.RegisterDestination(d.hashValue, d)
debug.Log(debug.DEBUG_INFO, "Destination auto-registered with transport", "hash", fmt.Sprintf("%x", d.hashValue))
}
return d, nil
}
// FromHash creates a destination from a known hash (e.g., from an announce).
// This is used by clients to create destination objects for servers they've discovered.
func FromHash(hash []byte, id *identity.Identity, destType byte, transport *transport.Transport) (*Destination, error) {
debugLog(DEBUG_INFO, "Creating destination from hash: %x", hash)
func FromHash(hash []byte, id *identity.Identity, destType byte, transport Transport) (*Destination, error) {
debug.Log(debug.DEBUG_INFO, "Creating destination from hash", "hash", fmt.Sprintf("%x", hash))
if id == nil {
debugLog(DEBUG_ERROR, "Cannot create destination: identity is nil")
debug.Log(debug.DEBUG_ERROR, "Cannot create destination: identity is nil")
return nil, errors.New("identity cannot be nil")
}
@@ -142,32 +162,32 @@ func FromHash(hash []byte, id *identity.Identity, destType byte, transport *tran
requestHandlers: make(map[string]*RequestHandler),
}
debugLog(DEBUG_VERBOSE, "Created destination from hash: %x", hash)
debug.Log(debug.DEBUG_VERBOSE, "Created destination from hash", "hash", fmt.Sprintf("%x", hash))
return d, nil
}
func (d *Destination) calculateHash() []byte {
debugLog(DEBUG_TRACE, "Calculating hash for destination %s", d.ExpandName())
debug.Log(debug.DEBUG_TRACE, "Calculating hash for destination", "name", d.ExpandName())
// destination_hash = SHA256(name_hash_10bytes + identity_hash_16bytes)[:16]
// Identity hash is the truncated hash of the public key (16 bytes)
identityHash := identity.TruncatedHash(d.identity.GetPublicKey())
// Name hash is the FULL 32-byte SHA256, then we take first 10 bytes for concatenation
nameHashFull := sha256.Sum256([]byte(d.ExpandName()))
nameHash10 := nameHashFull[:10] // Only use 10 bytes
nameHash10 := nameHashFull[:10] // Only use 10 bytes
debugLog(DEBUG_ALL, "Identity hash: %x", identityHash)
debugLog(DEBUG_ALL, "Name hash (10 bytes): %x", nameHash10)
debug.Log(debug.DEBUG_ALL, "Identity hash", "hash", fmt.Sprintf("%x", identityHash))
debug.Log(debug.DEBUG_ALL, "Name hash (10 bytes)", "hash", fmt.Sprintf("%x", nameHash10))
// Concatenate name_hash (10 bytes) + identity_hash (16 bytes) = 26 bytes
combined := append(nameHash10, identityHash...)
// Then hash again and truncate to 16 bytes
finalHashFull := sha256.Sum256(combined)
finalHash := finalHashFull[:16]
debugLog(DEBUG_VERBOSE, "Calculated destination hash: %x", finalHash)
debug.Log(debug.DEBUG_VERBOSE, "Calculated destination hash", "hash", fmt.Sprintf("%x", finalHash))
return finalHash
}
@@ -180,50 +200,52 @@ func (d *Destination) ExpandName() string {
return name
}
func (d *Destination) Announce(appData []byte) error {
func (d *Destination) Announce(pathResponse bool, tag []byte, attachedInterface common.NetworkInterface) error {
d.mutex.Lock()
defer d.mutex.Unlock()
log.Printf("[DEBUG-4] Announcing destination %s", d.ExpandName())
debug.Log(debug.DEBUG_VERBOSE, "Announcing destination", "name", d.ExpandName(), "path_response", pathResponse)
if appData == nil {
appData = d.defaultAppData
}
appData := d.defaultAppData
// Create announce packet using announce package
// Pass the destination hash, name, and app data
announce, err := announce.New(d.identity, d.hashValue, d.ExpandName(), appData, false, d.transport.GetConfig())
announceObj, err := announce.New(d.identity, d.hashValue, d.ExpandName(), appData, pathResponse, d.transport.GetConfig())
if err != nil {
return fmt.Errorf("failed to create announce: %w", err)
}
packet := announce.GetPacket()
packet := announceObj.GetPacket()
if packet == nil {
return errors.New("failed to create announce packet")
}
// Send announce packet to all interfaces
log.Printf("[DEBUG-4] Sending announce packet to all interfaces")
if pathResponse && tag != nil {
debug.Log(debug.DEBUG_INFO, "Sending path response announce", "tag", fmt.Sprintf("%x", tag))
}
if d.transport == nil {
return errors.New("transport not initialized")
}
interfaces := d.transport.GetInterfaces()
log.Printf("[DEBUG-7] Got %d interfaces from transport", len(interfaces))
var lastErr error
for name, iface := range interfaces {
log.Printf("[DEBUG-7] Checking interface %s: enabled=%v, online=%v", name, iface.IsEnabled(), iface.IsOnline())
if iface.IsEnabled() && iface.IsOnline() {
log.Printf("[DEBUG-7] Sending announce to interface %s (%d bytes)", name, len(packet))
if err := iface.Send(packet, ""); err != nil {
log.Printf("[ERROR] Failed to send announce on interface %s: %v", name, err)
if attachedInterface != nil {
if attachedInterface.IsEnabled() && attachedInterface.IsOnline() {
debug.Log(debug.DEBUG_VERBOSE, "Sending announce to attached interface", "name", attachedInterface.GetName())
if err := attachedInterface.Send(packet, ""); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to send announce on attached interface", "error", err)
lastErr = err
} else {
log.Printf("[DEBUG-7] Successfully sent announce to interface %s", name)
}
} else {
log.Printf("[DEBUG-7] Skipping interface %s (not enabled or not online)", name)
}
} else {
interfaces := d.transport.GetInterfaces()
for name, iface := range interfaces {
if iface.IsEnabled() && iface.IsOnline() {
debug.Log(debug.DEBUG_VERBOSE, "Sending announce to interface", "name", name)
if err := iface.Send(packet, ""); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to send announce on interface", "name", name, "error", err)
lastErr = err
}
}
}
}
@@ -234,11 +256,11 @@ func (d *Destination) AcceptsLinks(accepts bool) {
d.mutex.Lock()
defer d.mutex.Unlock()
d.acceptsLinks = accepts
// Register with transport if accepting links
if accepts && d.transport != nil {
d.transport.RegisterDestination(d.hashValue, d)
debugLog(DEBUG_VERBOSE, "Destination %x registered with transport for link requests", d.hashValue)
debug.Log(debug.DEBUG_VERBOSE, "Destination registered with transport for link requests", "hash", fmt.Sprintf("%x", d.hashValue))
}
}
@@ -254,22 +276,28 @@ func (d *Destination) GetLinkCallback() common.LinkEstablishedCallback {
return d.linkCallback
}
func (d *Destination) HandleIncomingLinkRequest(linkID []byte, transport interface{}, networkIface common.NetworkInterface) error {
debugLog(DEBUG_INFO, "Handling incoming link request for destination %x", d.GetHash())
// Import link package here to avoid circular dependency at package level
// We'll use dynamic import by having the caller create the link
// For now, just call the callback with a placeholder
if d.linkCallback != nil {
debugLog(DEBUG_INFO, "Calling link established callback")
// Pass linkID as the link object for now
// The callback will need to handle creating the actual link
d.linkCallback(linkID)
} else {
debugLog(DEBUG_VERBOSE, "No link callback set")
func (d *Destination) HandleIncomingLinkRequest(pkt interface{}, transport interface{}, networkIface common.NetworkInterface) error {
debug.Log(debug.DEBUG_INFO, "Handling incoming link request for destination", "hash", fmt.Sprintf("%x", d.GetHash()))
pktObj, ok := pkt.(*packet.Packet)
if !ok {
return errors.New("invalid packet type")
}
if incomingLinkHandler == nil {
return errors.New("no incoming link handler registered")
}
linkIface, err := incomingLinkHandler(pktObj, d, transport, networkIface)
if err != nil {
return fmt.Errorf("failed to handle link request: %w", err)
}
if d.linkCallback != nil && linkIface != nil {
debug.Log(debug.DEBUG_INFO, "Calling link established callback")
d.linkCallback(linkIface)
}
return nil
}
@@ -279,6 +307,35 @@ func (d *Destination) SetPacketCallback(callback common.PacketCallback) {
d.packetCallback = callback
}
func (d *Destination) Receive(pkt *packet.Packet, iface common.NetworkInterface) {
d.mutex.RLock()
callback := d.packetCallback
d.mutex.RUnlock()
if callback == nil {
debug.Log(debug.DEBUG_VERBOSE, "No packet callback set for destination")
return
}
if pkt.PacketType == packet.PacketTypeLinkReq {
debug.Log(debug.DEBUG_INFO, "Received link request for destination")
if err := d.HandleIncomingLinkRequest(pkt, d.transport, iface); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to handle incoming link request", "error", err)
}
return
}
plaintext, err := d.Decrypt(pkt.Data)
if err != nil {
debug.Log(debug.DEBUG_INFO, "Failed to decrypt packet data", "error", err)
return
}
debug.Log(debug.DEBUG_INFO, "Destination received packet", "bytes", len(plaintext))
callback(plaintext, iface)
}
func (d *Destination) SetProofRequestedCallback(callback common.ProofRequestedCallback) {
d.mutex.Lock()
defer d.mutex.Unlock()
@@ -295,8 +352,27 @@ func (d *Destination) EnableRatchets(path string) bool {
d.mutex.Lock()
defer d.mutex.Unlock()
if path == "" {
debug.Log(debug.DEBUG_ERROR, "No ratchet file path specified")
return false
}
d.ratchetsEnabled = true
d.ratchetPath = path
d.latestRatchetTime = time.Time{} // Zero time to force rotation
// Load or initialize ratchets
if err := d.reloadRatchets(); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to load ratchets", "error", err)
// Initialize empty ratchet list
d.ratchets = make([][]byte, 0)
if err := d.persistRatchets(); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to create initial ratchet file", "error", err)
return false
}
}
debug.Log(debug.DEBUG_INFO, "Ratchets enabled", "path", path)
return true
}
@@ -377,34 +453,88 @@ func (d *Destination) DeregisterRequestHandler(path string) bool {
return false
}
func (d *Destination) GetRequestHandler(pathHash []byte) func([]byte, []byte, []byte, []byte, *identity.Identity, time.Time) interface{} {
d.mutex.RLock()
defer d.mutex.RUnlock()
for _, handler := range d.requestHandlers {
handlerPathHash := identity.TruncatedHash([]byte(handler.Path))
if string(handlerPathHash) == string(pathHash) {
return func(pathHash []byte, data []byte, requestID []byte, linkID []byte, remoteIdentity *identity.Identity, requestedAt time.Time) interface{} {
allowed := false
if handler.AllowMode == ALLOW_ALL {
allowed = true
} else if handler.AllowMode == ALLOW_LIST && remoteIdentity != nil {
remoteHash := remoteIdentity.Hash()
for _, allowedHash := range handler.AllowedList {
if string(remoteHash) == string(allowedHash) {
allowed = true
break
}
}
}
if !allowed {
return nil
}
result := handler.ResponseGenerator(handler.Path, data, requestID, linkID, remoteIdentity, requestedAt.Unix())
if result == nil {
return nil
}
return result
}
}
}
return nil
}
func (d *Destination) HandleRequest(path string, data []byte, requestID []byte, linkID []byte, remoteIdentity *identity.Identity, requestedAt int64) []byte {
d.mutex.RLock()
handler, exists := d.requestHandlers[path]
d.mutex.RUnlock()
if !exists {
debug.Log(debug.DEBUG_INFO, "No handler registered for path", "path", path)
return []byte(">Not Found\n\nThe requested resource was not found.")
}
debug.Log(debug.DEBUG_VERBOSE, "Calling request handler", "path", path)
result := handler.ResponseGenerator(path, data, requestID, linkID, remoteIdentity, requestedAt)
if result == nil {
return []byte(">Not Found\n\nThe requested resource was not found.")
}
return result
}
func (d *Destination) Encrypt(plaintext []byte) ([]byte, error) {
if d.destType == PLAIN {
log.Printf("[DEBUG-4] Using plaintext transmission for PLAIN destination")
debug.Log(debug.DEBUG_VERBOSE, "Using plaintext transmission for PLAIN destination")
return plaintext, nil
}
if d.identity == nil {
log.Printf("[DEBUG-3] Cannot encrypt: no identity available")
debug.Log(debug.DEBUG_INFO, "Cannot encrypt: no identity available")
return nil, errors.New("no identity available for encryption")
}
log.Printf("[DEBUG-4] Encrypting %d bytes for destination type %d", len(plaintext), d.destType)
debug.Log(debug.DEBUG_VERBOSE, "Encrypting bytes for destination", "bytes", len(plaintext), "destType", d.destType)
switch d.destType {
case SINGLE:
recipientKey := d.identity.GetPublicKey()
log.Printf("[DEBUG-4] Encrypting for single recipient with key %x", recipientKey[:8])
recipientKey := d.identity.GetEncryptionKey()
debug.Log(debug.DEBUG_VERBOSE, "Encrypting for single recipient", "key", fmt.Sprintf("%x", recipientKey[:8]))
return d.identity.Encrypt(plaintext, recipientKey)
case GROUP:
key := d.identity.GetCurrentRatchetKey()
if key == nil {
log.Printf("[DEBUG-3] Cannot encrypt: no ratchet key available")
debug.Log(debug.DEBUG_INFO, "Cannot encrypt: no ratchet key available")
return nil, errors.New("no ratchet key available")
}
log.Printf("[DEBUG-4] Encrypting for group with ratchet key %x", key[:8])
debug.Log(debug.DEBUG_VERBOSE, "Encrypting for group with ratchet key", "key", fmt.Sprintf("%x", key[:8]))
return d.identity.EncryptWithHMAC(plaintext, key)
default:
log.Printf("[DEBUG-3] Unsupported destination type %d for encryption", d.destType)
debug.Log(debug.DEBUG_INFO, "Unsupported destination type for encryption", "destType", d.destType)
return nil, errors.New("unsupported destination type for encryption")
}
}
@@ -465,3 +595,186 @@ func (d *Destination) GetHash() []byte {
}
return d.hashValue
}
func (d *Destination) persistRatchets() error {
d.ratchetFileLock.Lock()
defer d.ratchetFileLock.Unlock()
if !d.ratchetsEnabled || d.ratchetPath == "" {
return errors.New("ratchets not enabled or no path specified")
}
debug.Log(debug.DEBUG_PACKETS, "Persisting ratchets", "count", len(d.ratchets), "path", d.ratchetPath)
// Pack ratchets using msgpack
packedRatchets, err := msgpack.Marshal(d.ratchets)
if err != nil {
return fmt.Errorf("failed to pack ratchets: %w", err)
}
// Sign the packed ratchets
signature, err := d.Sign(packedRatchets)
if err != nil {
return fmt.Errorf("failed to sign ratchets: %w", err)
}
// Create structure
persistedData := map[string][]byte{
"signature": signature,
"ratchets": packedRatchets,
}
// Pack the entire structure
finalData, err := msgpack.Marshal(persistedData)
if err != nil {
return fmt.Errorf("failed to pack ratchet data: %w", err)
}
// Write to temporary file first, then rename (atomic operation)
tempPath := d.ratchetPath + ".tmp"
file, err := os.Create(tempPath) // #nosec G304
if err != nil {
return fmt.Errorf("failed to create temp ratchet file: %w", err)
}
if _, err := file.Write(finalData); err != nil {
// #nosec G104 - Error already being handled, cleanup errors are non-critical
file.Close()
// #nosec G104 - Error already being handled, cleanup errors are non-critical
os.Remove(tempPath)
return fmt.Errorf("failed to write ratchet data: %w", err)
}
// #nosec G104 - File is being closed after successful write, error is non-critical
file.Close()
// Remove old file if exists
if _, err := os.Stat(d.ratchetPath); err == nil {
// #nosec G104 - Removing old file, error is non-critical if it doesn't exist
os.Remove(d.ratchetPath)
}
// Atomic rename
if err := os.Rename(tempPath, d.ratchetPath); err != nil {
// #nosec G104 - Error already being handled, cleanup errors are non-critical
os.Remove(tempPath)
return fmt.Errorf("failed to rename ratchet file: %w", err)
}
debug.Log(debug.DEBUG_PACKETS, "Ratchets persisted successfully")
return nil
}
func (d *Destination) reloadRatchets() error {
d.ratchetFileLock.Lock()
defer d.ratchetFileLock.Unlock()
if _, err := os.Stat(d.ratchetPath); os.IsNotExist(err) {
debug.Log(debug.DEBUG_INFO, "No existing ratchet data found, initializing new ratchet file")
d.ratchets = make([][]byte, 0)
return nil
}
file, err := os.Open(d.ratchetPath) // #nosec G304
if err != nil {
return fmt.Errorf("failed to open ratchet file: %w", err)
}
defer file.Close()
// Read all data
fileData, err := io.ReadAll(file)
if err != nil {
return fmt.Errorf("failed to read ratchet file: %w", err)
}
// Unpack outer structure
var persistedData map[string][]byte
if err := msgpack.Unmarshal(fileData, &persistedData); err != nil {
return fmt.Errorf("failed to unpack ratchet data: %w", err)
}
signature, hasSignature := persistedData["signature"]
packedRatchets, hasRatchets := persistedData["ratchets"]
if !hasSignature || !hasRatchets {
return fmt.Errorf("invalid ratchet file format")
}
// Verify signature
if !d.identity.Verify(packedRatchets, signature) {
return fmt.Errorf("invalid ratchet file signature")
}
// Unpack ratchet list
if err := msgpack.Unmarshal(packedRatchets, &d.ratchets); err != nil {
return fmt.Errorf("failed to unpack ratchet list: %w", err)
}
debug.Log(debug.DEBUG_INFO, "Ratchets reloaded successfully", "count", len(d.ratchets))
return nil
}
func (d *Destination) RotateRatchets() error {
d.mutex.Lock()
defer d.mutex.Unlock()
if !d.ratchetsEnabled {
return errors.New("ratchets not enabled")
}
now := time.Now()
if !d.latestRatchetTime.IsZero() && now.Before(d.latestRatchetTime.Add(time.Duration(d.ratchetInterval)*time.Second)) {
debug.Log(debug.DEBUG_TRACE, "Ratchet rotation interval not reached")
return nil
}
debug.Log(debug.DEBUG_INFO, "Rotating ratchets", "destination", d.ExpandName())
// Generate new ratchet key (32 bytes for X25519 private key)
newRatchet := make([]byte, 32)
if _, err := io.ReadFull(rand.Reader, newRatchet); err != nil {
return fmt.Errorf("failed to generate new ratchet: %w", err)
}
// Insert at beginning (most recent first)
d.ratchets = append([][]byte{newRatchet}, d.ratchets...)
d.latestRatchetTime = now
// Get ratchet public key for ID
ratchetPub, err := curve25519.X25519(newRatchet, curve25519.Basepoint)
if err == nil {
d.latestRatchetID = identity.TruncatedHash(ratchetPub)[:identity.NAME_HASH_LENGTH/8]
}
// Clean old ratchets
d.cleanRatchets()
// Persist to disk
if err := d.persistRatchets(); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to persist ratchets after rotation", "error", err)
return err
}
debug.Log(debug.DEBUG_INFO, "Ratchet rotation completed", "total_ratchets", len(d.ratchets))
return nil
}
func (d *Destination) cleanRatchets() {
if len(d.ratchets) > d.ratchetCount {
debug.Log(debug.DEBUG_TRACE, "Cleaning old ratchets", "before", len(d.ratchets), "keeping", d.ratchetCount)
d.ratchets = d.ratchets[:d.ratchetCount]
}
}
func (d *Destination) GetRatchets() [][]byte {
d.mutex.RLock()
defer d.mutex.RUnlock()
if !d.ratchetsEnabled {
return nil
}
// Return copy to prevent external modification
ratchetsCopy := make([][]byte, len(d.ratchets))
copy(ratchetsCopy, d.ratchets)
return ratchetsCopy
}

152
pkg/destination/destination_test.go Normal file
View File

@@ -0,0 +1,152 @@
package destination
import (
"bytes"
"path/filepath"
"testing"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
)
type mockTransport struct {
config *common.ReticulumConfig
interfaces map[string]common.NetworkInterface
}
func (m *mockTransport) GetConfig() *common.ReticulumConfig {
return m.config
}
func (m *mockTransport) GetInterfaces() map[string]common.NetworkInterface {
return m.interfaces
}
func (m *mockTransport) RegisterDestination(hash []byte, dest interface{}) {
}
type mockInterface struct {
common.BaseInterface
}
func (m *mockInterface) Send(data []byte, address string) error {
return nil
}
func TestNewDestination(t *testing.T) {
id, _ := identity.New()
transport := &mockTransport{config: &common.ReticulumConfig{}}
dest, err := New(id, IN|OUT, SINGLE, "testapp", transport, "testaspect")
if err != nil {
t.Fatalf("New failed: %v", err)
}
if dest == nil {
t.Fatal("New returned nil")
}
if dest.ExpandName() != "testapp.testaspect" {
t.Errorf("Expected name testapp.testaspect, got %s", dest.ExpandName())
}
hash := dest.GetHash()
if len(hash) != 16 {
t.Errorf("Expected hash length 16, got %d", len(hash))
}
}
func TestFromHash(t *testing.T) {
id, _ := identity.New()
transport := &mockTransport{}
hash := make([]byte, 16)
dest, err := FromHash(hash, id, SINGLE, transport)
if err != nil {
t.Fatalf("FromHash failed: %v", err)
}
if !bytes.Equal(dest.GetHash(), hash) {
t.Error("Hashes don't match")
}
}
func TestRequestHandlers(t *testing.T) {
id, _ := identity.New()
dest, _ := New(id, IN, SINGLE, "test", &mockTransport{})
path := "test/path"
response := []byte("hello")
err := dest.RegisterRequestHandler(path, func(p string, d []byte, rid []byte, lid []byte, ri *identity.Identity, ra int64) []byte {
return response
}, ALLOW_ALL, nil)
if err != nil {
t.Fatalf("RegisterRequestHandler failed: %v", err)
}
result := dest.HandleRequest(path, nil, nil, nil, nil, 0)
if !bytes.Equal(result, response) {
t.Errorf("Expected response %q, got %q", response, result)
}
if !dest.DeregisterRequestHandler(path) {
t.Error("DeregisterRequestHandler failed")
}
}
func TestEncryptDecrypt(t *testing.T) {
id, _ := identity.New()
dest, _ := New(id, IN|OUT, SINGLE, "test", &mockTransport{})
plaintext := []byte("hello world")
ciphertext, err := dest.Encrypt(plaintext)
if err != nil {
t.Fatalf("Encrypt failed: %v", err)
}
decrypted, err := dest.Decrypt(ciphertext)
if err != nil {
t.Fatalf("Decrypt failed: %v", err)
}
if !bytes.Equal(plaintext, decrypted) {
t.Errorf("Decrypted data doesn't match: %q vs %q", decrypted, plaintext)
}
}
func TestRatchets(t *testing.T) {
tmpDir := t.TempDir()
ratchetPath := filepath.Join(tmpDir, "ratchets")
id, _ := identity.New()
dest, _ := New(id, IN|OUT, SINGLE, "test", &mockTransport{})
if !dest.EnableRatchets(ratchetPath) {
t.Fatal("EnableRatchets failed")
}
err := dest.RotateRatchets()
if err != nil {
t.Fatalf("RotateRatchets failed: %v", err)
}
ratchets := dest.GetRatchets()
if len(ratchets) != 1 {
t.Errorf("Expected 1 ratchet, got %d", len(ratchets))
}
}
func TestPlainDestination(t *testing.T) {
id, _ := identity.New()
dest, _ := New(id, IN|OUT, PLAIN, "test", &mockTransport{})
plaintext := []byte("plain text")
ciphertext, _ := dest.Encrypt(plaintext)
if !bytes.Equal(plaintext, ciphertext) {
t.Error("Plain destination should not encrypt")
}
decrypted, _ := dest.Decrypt(ciphertext)
if !bytes.Equal(plaintext, decrypted) {
t.Error("Plain destination should not decrypt")
}
}

509
pkg/identity/identity.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package identity
import (
@@ -8,17 +10,17 @@ import (
"crypto/rand"
"crypto/sha256"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"io"
"log"
"os"
"sync"
"time"
"github.com/Sudo-Ivan/reticulum-go/pkg/common"
"github.com/Sudo-Ivan/reticulum-go/pkg/cryptography"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/cryptography"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
"github.com/vmihailenco/msgpack/v5"
"golang.org/x/crypto/curve25519"
"golang.org/x/crypto/hkdf"
)
@@ -44,7 +46,7 @@ const (
type Identity struct {
privateKey []byte
publicKey []byte
signingSeed []byte // 32-byte Ed25519 seed (compatible with Python RNS)
signingSeed []byte // 32-byte Ed25519 seed
verificationKey ed25519.PublicKey
hash []byte
hexHash string
@@ -56,9 +58,10 @@ type Identity struct {
}
var (
knownDestinations = make(map[string][]interface{})
knownRatchets = make(map[string][]byte)
ratchetPersistLock sync.Mutex
knownDestinations = make(map[string][]interface{})
knownDestinationsLock sync.RWMutex
knownRatchets = make(map[string][]byte)
ratchetPersistLock sync.Mutex
)
func New() (*Identity, error) {
@@ -76,7 +79,7 @@ func New() (*Identity, error) {
i.privateKey = privKey
i.publicKey = pubKey
// Generate 32-byte Ed25519 seed (compatible with Python RNS)
// Generate 32-byte Ed25519 seed
var ed25519Seed [32]byte
if _, err := io.ReadFull(rand.Reader, ed25519Seed[:]); err != nil {
return nil, fmt.Errorf("failed to generate Ed25519 seed: %v", err)
@@ -105,7 +108,7 @@ func (i *Identity) GetPrivateKey() []byte {
}
func (i *Identity) Sign(data []byte) []byte {
// Derive Ed25519 private key from seed (compatible with Python RNS)
// Derive Ed25519 private key from seed
privKey := ed25519.NewKeyFromSeed(i.signingSeed)
return cryptography.Sign(privKey, data)
}
@@ -133,20 +136,25 @@ func (i *Identity) Encrypt(plaintext []byte, ratchet []byte) ([]byte, error) {
return nil, err
}
// Derive encryption key
key, err := cryptography.DeriveKey(sharedSecret, i.GetSalt(), i.GetContext(), 32)
// Derive key material (64 bytes: first 32 for HMAC, last 32 for encryption)
salt := i.GetSalt()
debug.Log(debug.DEBUG_ALL, "Encrypt: using salt", "salt", fmt.Sprintf("%x", salt), "identity_hash", fmt.Sprintf("%x", i.Hash()))
key, err := cryptography.DeriveKey(sharedSecret, salt, i.GetContext(), 64)
if err != nil {
return nil, err
}
hmacKey := key[:32]
encryptionKey := key[32:64]
// Encrypt data
ciphertext, err := cryptography.EncryptAES256CBC(key[:32], plaintext)
ciphertext, err := cryptography.EncryptAES256CBC(encryptionKey, plaintext)
if err != nil {
return nil, err
}
// Calculate HMAC
mac := cryptography.ComputeHMAC(key, append(ephemeralPubKey, ciphertext...))
// Calculate HMAC over ciphertext only (iv + encrypted_data)
mac := cryptography.ComputeHMAC(hmacKey, ciphertext)
// Combine components
token := make([]byte, 0, len(ephemeralPubKey)+len(ciphertext)+len(mac))
@@ -173,7 +181,7 @@ func GetRandomHash() []byte {
randomData := make([]byte, TRUNCATED_HASHLENGTH/8)
_, err := rand.Read(randomData) // #nosec G104
if err != nil {
log.Printf("[DEBUG-1] Failed to read random data for hash: %v", err)
debug.Log(debug.DEBUG_CRITICAL, "Failed to read random data for hash", "error", err)
return nil // Or handle the error appropriately
}
return TruncatedHash(randomData)
@@ -184,12 +192,14 @@ func Remember(packet []byte, destHash []byte, publicKey []byte, appData []byte)
// Store destination data as [packet, destHash, identity, appData]
id := FromPublicKey(publicKey)
knownDestinationsLock.Lock()
knownDestinations[hashStr] = []interface{}{
packet,
destHash,
id,
appData,
}
knownDestinationsLock.Unlock()
}
func ValidateAnnounce(packet []byte, destHash []byte, publicKey []byte, signature []byte, appData []byte) bool {
@@ -221,13 +231,18 @@ func FromPublicKey(publicKey []byte) *Identity {
return nil
}
return &Identity{
id := &Identity{
publicKey: publicKey[:KEYSIZE/16],
verificationKey: publicKey[KEYSIZE/16:],
ratchets: make(map[string][]byte),
ratchetExpiry: make(map[string]int64),
mutex: &sync.RWMutex{},
}
hash := cryptography.Hash(id.GetPublicKey())
id.hash = hash[:TRUNCATED_HASHLENGTH/8]
return id
}
func (i *Identity) Hex() string {
@@ -240,8 +255,12 @@ func (i *Identity) String() string {
func Recall(hash []byte) (*Identity, error) {
hashStr := hex.EncodeToString(hash)
if data, exists := knownDestinations[hashStr]; exists {
knownDestinationsLock.RLock()
data, exists := knownDestinations[hashStr]
knownDestinationsLock.RUnlock()
if exists {
// data is [packet, destHash, identity, appData]
if len(data) >= 3 {
if id, ok := data[2].(*Identity); ok {
@@ -249,7 +268,7 @@ func Recall(hash []byte) (*Identity, error) {
}
}
}
return nil, fmt.Errorf("identity not found for hash %x", hash)
}
@@ -279,13 +298,13 @@ func (i *Identity) GetCurrentRatchetKey() []byte {
if len(i.ratchets) == 0 {
// If no ratchets exist, generate one.
// This should ideally be handled by an explicit setup process.
log.Println("[DEBUG-5] No ratchets found, generating a new one on-the-fly.")
debug.Log(debug.DEBUG_TRACE, "No ratchets found, generating a new one on-the-fly")
// Temporarily unlock to call RotateRatchet, which locks internally.
i.mutex.RUnlock()
newRatchet, err := i.RotateRatchet()
i.mutex.RLock()
if err != nil {
log.Printf("[DEBUG-1] Failed to generate initial ratchet key: %v", err)
debug.Log(debug.DEBUG_CRITICAL, "Failed to generate initial ratchet key", "error", err)
return nil
}
return newRatchet
@@ -293,7 +312,7 @@ func (i *Identity) GetCurrentRatchetKey() []byte {
// Return the most recently generated ratchet key
var latestKey []byte
var latestTime int64 = 0
var latestTime int64
for id, expiry := range i.ratchetExpiry {
if expiry > latestTime {
latestTime = expiry
@@ -302,7 +321,7 @@ func (i *Identity) GetCurrentRatchetKey() []byte {
}
if latestKey == nil {
log.Printf("[DEBUG-2] Could not determine the latest ratchet key from %d ratchets.", len(i.ratchets))
debug.Log(debug.DEBUG_ERROR, "Could not determine the latest ratchet key", "ratchet_count", len(i.ratchets))
}
return latestKey
@@ -310,13 +329,13 @@ func (i *Identity) GetCurrentRatchetKey() []byte {
func (i *Identity) Decrypt(ciphertextToken []byte, ratchets [][]byte, enforceRatchets bool, ratchetIDReceiver *common.RatchetIDReceiver) ([]byte, error) {
if i.privateKey == nil {
log.Printf("[DEBUG-1] Decryption failed: identity has no private key")
debug.Log(debug.DEBUG_CRITICAL, "Decryption failed: identity has no private key")
return nil, errors.New("decryption failed because identity does not hold a private key")
}
log.Printf("[DEBUG-7] Starting decryption for identity %s", i.GetHexHash())
debug.Log(debug.DEBUG_ALL, "Starting decryption for identity", "hash", i.GetHexHash())
if len(ratchets) > 0 {
log.Printf("[DEBUG-7] Attempting decryption with %d ratchets", len(ratchets))
debug.Log(debug.DEBUG_ALL, "Attempting decryption with ratchets", "count", len(ratchets))
}
if len(ciphertextToken) <= KEYSIZE/8/2 {
@@ -335,7 +354,7 @@ func (i *Identity) Decrypt(ciphertextToken []byte, ratchets [][]byte, enforceRat
// Try decryption with ratchets first if provided
if len(ratchets) > 0 {
for _, ratchet := range ratchets {
if decrypted, ratchetID, err := i.tryRatchetDecryption(peerPubBytes, ciphertext, ratchet); err == nil {
if decrypted, ratchetID, err := i.tryRatchetDecryption(peerPubBytes, ciphertext, mac, ratchet); err == nil {
if ratchetIDReceiver != nil {
ratchetIDReceiver.LatestRatchetID = ratchetID
}
@@ -357,20 +376,25 @@ func (i *Identity) Decrypt(ciphertextToken []byte, ratchets [][]byte, enforceRat
return nil, fmt.Errorf("failed to generate shared key: %v", err)
}
// Derive key using HKDF
hkdfReader := hkdf.New(sha256.New, sharedKey, i.GetSalt(), i.GetContext())
derivedKey := make([]byte, 32)
// Derive key material (64 bytes: first 32 for HMAC, last 32 for encryption)
salt := i.GetSalt()
debug.Log(debug.DEBUG_ALL, "Decrypt: using salt", "salt", fmt.Sprintf("%x", salt), "identity_hash", fmt.Sprintf("%x", i.Hash()))
hkdfReader := hkdf.New(sha256.New, sharedKey, salt, i.GetContext())
derivedKey := make([]byte, 64)
if _, err := io.ReadFull(hkdfReader, derivedKey); err != nil {
return nil, fmt.Errorf("failed to derive key: %v", err)
}
// Validate HMAC
if !cryptography.ValidateHMAC(derivedKey, append(peerPubBytes, ciphertext...), mac) {
hmacKey := derivedKey[:32]
encryptionKey := derivedKey[32:64]
// Validate HMAC over ciphertext only (iv + encrypted_data)
if !cryptography.ValidateHMAC(hmacKey, ciphertext, mac) {
return nil, errors.New("invalid HMAC")
}
// Create AES cipher
block, err := aes.NewCipher(derivedKey)
block, err := aes.NewCipher(encryptionKey)
if err != nil {
return nil, fmt.Errorf("failed to create cipher: %v", err)
}
@@ -407,34 +431,42 @@ func (i *Identity) Decrypt(ciphertextToken []byte, ratchets [][]byte, enforceRat
ratchetIDReceiver.LatestRatchetID = nil
}
log.Printf("[DEBUG-7] Decryption completed successfully")
debug.Log(debug.DEBUG_ALL, "Decryption completed successfully")
return plaintext[:len(plaintext)-padding], nil
}
// Helper function to attempt decryption using a ratchet
func (i *Identity) tryRatchetDecryption(peerPubBytes, ciphertext, ratchet []byte) ([]byte, []byte, error) {
func (i *Identity) tryRatchetDecryption(peerPubBytes, ciphertext, mac, ratchet []byte) (plaintext, ratchetID []byte, err error) {
// Convert ratchet to private key
ratchetPriv := ratchet
// Get ratchet ID
ratchetPubBytes, err := curve25519.X25519(ratchetPriv, cryptography.GetBasepoint())
if err != nil {
log.Printf("[DEBUG-7] Failed to generate ratchet public key: %v", err)
debug.Log(debug.DEBUG_ALL, "Failed to generate ratchet public key", "error", err)
return nil, nil, err
}
ratchetID := i.GetRatchetID(ratchetPubBytes)
ratchetID = i.GetRatchetID(ratchetPubBytes)
sharedSecret, err := cryptography.DeriveSharedSecret(ratchet, peerPubBytes)
if err != nil {
return nil, nil, err
}
key, err := cryptography.DeriveKey(sharedSecret, i.GetSalt(), i.GetContext(), 32)
key, err := cryptography.DeriveKey(sharedSecret, i.GetSalt(), i.GetContext(), 64)
if err != nil {
return nil, nil, err
}
plaintext, err := cryptography.DecryptAES256CBC(key, ciphertext)
hmacKey := key[:32]
encryptionKey := key[32:64]
// Validate HMAC over ciphertext only (iv + encrypted_data)
if !cryptography.ValidateHMAC(hmacKey, ciphertext, mac) {
return nil, nil, errors.New("invalid HMAC")
}
plaintext, err = cryptography.DecryptAES256CBC(encryptionKey, ciphertext)
if err != nil {
return nil, nil, err
}
@@ -443,12 +475,23 @@ func (i *Identity) tryRatchetDecryption(peerPubBytes, ciphertext, ratchet []byte
}
func (i *Identity) EncryptWithHMAC(plaintext []byte, key []byte) ([]byte, error) {
ciphertext, err := cryptography.EncryptAES256CBC(key, plaintext)
var hmacKey, encryptionKey []byte
if len(key) == 64 {
hmacKey = key[:32]
encryptionKey = key[32:64]
} else if len(key) == 32 {
hmacKey = key[:16]
encryptionKey = key[16:32]
} else {
return nil, errors.New("invalid key length for EncryptWithHMAC")
}
ciphertext, err := cryptography.EncryptAES256CBC(encryptionKey, plaintext)
if err != nil {
return nil, err
}
mac := cryptography.ComputeHMAC(key, ciphertext)
mac := cryptography.ComputeHMAC(hmacKey, ciphertext)
return append(ciphertext, mac...), nil
}
@@ -457,48 +500,158 @@ func (i *Identity) DecryptWithHMAC(data []byte, key []byte) ([]byte, error) {
return nil, errors.New("data too short")
}
var hmacKey, encryptionKey []byte
if len(key) == 64 {
hmacKey = key[:32]
encryptionKey = key[32:64]
} else if len(key) == 32 {
hmacKey = key[:16]
encryptionKey = key[16:32]
} else {
return nil, errors.New("invalid key length for DecryptWithHMAC")
}
macStart := len(data) - cryptography.SHA256Size
ciphertext := data[:macStart]
messageMAC := data[macStart:]
if !cryptography.ValidateHMAC(key, ciphertext, messageMAC) {
if !cryptography.ValidateHMAC(hmacKey, ciphertext, messageMAC) {
return nil, errors.New("invalid HMAC")
}
return cryptography.DecryptAES256CBC(key, ciphertext)
return cryptography.DecryptAES256CBC(encryptionKey, ciphertext)
}
func (i *Identity) ToFile(path string) error {
log.Printf("[DEBUG-7] Saving identity %s to file: %s", i.GetHexHash(), path)
debug.Log(debug.DEBUG_ALL, "Saving identity to file", "hash", i.GetHexHash(), "path", path)
// Persist ratchets to a separate file
ratchetPath := path + ".ratchets"
if err := i.saveRatchets(ratchetPath); err != nil {
log.Printf("[DEBUG-1] Failed to save ratchets: %v", err)
// Continue saving the main identity file even if ratchets fail
if i.privateKey == nil || i.signingSeed == nil {
return errors.New("cannot save identity without private keys")
}
data := map[string]interface{}{
"private_key": i.privateKey,
"public_key": i.publicKey,
"signing_seed": i.signingSeed,
"verification_key": i.verificationKey,
"app_data": i.appData,
}
// Store private keys as raw bytes
// Format: [X25519 PrivKey (32 bytes)][Ed25519 PrivKey (32 bytes)]
// Total: 64 bytes
privateKeyBytes := make([]byte, 64)
copy(privateKeyBytes[:32], i.privateKey)
copy(privateKeyBytes[32:], i.signingSeed)
// Write raw bytes to file
file, err := os.Create(path) // #nosec G304
if err != nil {
log.Printf("[DEBUG-1] Failed to create identity file: %v", err)
debug.Log(debug.DEBUG_CRITICAL, "Failed to create identity file", "error", err)
return err
}
defer file.Close()
if err := json.NewEncoder(file).Encode(data); err != nil {
log.Printf("[DEBUG-1] Failed to encode identity data: %v", err)
if _, err := file.Write(privateKeyBytes); err != nil {
debug.Log(debug.DEBUG_CRITICAL, "Failed to write identity data", "error", err)
return err
}
log.Printf("[DEBUG-7] Identity saved successfully")
debug.Log(debug.DEBUG_ALL, "Identity saved successfully", "bytes", len(privateKeyBytes))
return nil
}
func FromFile(path string) (*Identity, error) {
debug.Log(debug.DEBUG_ALL, "Loading identity from file", "path", path)
// Read the private key bytes from file
// bearer:disable go_gosec_filesystem_filereadtaint
data, err := os.ReadFile(path) // #nosec G304
if err != nil {
return nil, fmt.Errorf("failed to read identity file: %w", err)
}
if len(data) != 64 {
return nil, fmt.Errorf("invalid identity file: expected 64 bytes, got %d", len(data))
}
// Parse the private keys
// Format: [X25519 PrivKey (32 bytes)][Ed25519 PrivKey (32 bytes)]
privateKey := data[:32]
signingSeed := data[32:64]
// Create identity with initialized maps and mutex
ident := &Identity{
ratchets: make(map[string][]byte),
ratchetExpiry: make(map[string]int64),
mutex: &sync.RWMutex{},
}
if err := ident.loadPrivateKey(privateKey, signingSeed); err != nil {
return nil, fmt.Errorf("failed to load private key: %w", err)
}
debug.Log(debug.DEBUG_INFO, "Identity loaded from file", "hash", ident.GetHexHash())
return ident, nil
}
func LoadOrCreateTransportIdentity() (*Identity, error) {
storagePath := os.Getenv("RETICULUM_STORAGE_PATH")
if storagePath == "" {
homeDir, err := os.UserHomeDir()
if err != nil {
return nil, fmt.Errorf("failed to get home directory: %w", err)
}
storagePath = fmt.Sprintf("%s/.reticulum/storage", homeDir)
}
if err := os.MkdirAll(storagePath, 0700); err != nil {
return nil, fmt.Errorf("failed to create storage directory: %w", err)
}
transportIdentityPath := fmt.Sprintf("%s/transport_identity", storagePath)
if ident, err := FromFile(transportIdentityPath); err == nil {
debug.Log(debug.DEBUG_INFO, "Loaded transport identity from storage")
return ident, nil
}
debug.Log(debug.DEBUG_INFO, "No valid transport identity in storage, creating new one")
ident, err := New()
if err != nil {
return nil, fmt.Errorf("failed to create transport identity: %w", err)
}
if err := ident.ToFile(transportIdentityPath); err != nil {
return nil, fmt.Errorf("failed to save transport identity: %w", err)
}
debug.Log(debug.DEBUG_INFO, "Created and saved transport identity")
return ident, nil
}
func (i *Identity) loadPrivateKey(privateKey, signingSeed []byte) error {
if len(privateKey) != 32 || len(signingSeed) != 32 {
return errors.New("invalid private key length")
}
// Load X25519 private key
i.privateKey = make([]byte, 32)
copy(i.privateKey, privateKey)
// Load Ed25519 signing seed
i.signingSeed = make([]byte, 32)
copy(i.signingSeed, signingSeed)
// Derive public keys from private keys
var err error
i.publicKey, err = curve25519.X25519(i.privateKey, curve25519.Basepoint)
if err != nil {
return fmt.Errorf("failed to derive X25519 public key: %w", err)
}
signingKey := ed25519.NewKeyFromSeed(i.signingSeed)
i.verificationKey = signingKey.Public().(ed25519.PublicKey)
publicKeyBytes := make([]byte, 0, len(i.publicKey)+len(i.verificationKey))
publicKeyBytes = append(publicKeyBytes, i.publicKey...)
publicKeyBytes = append(publicKeyBytes, i.verificationKey...)
i.hash = TruncatedHash(publicKeyBytes)[:TRUNCATED_HASHLENGTH/8]
i.hexHash = hex.EncodeToString(i.hash)
debug.Log(debug.DEBUG_VERBOSE, "Private key loaded successfully", "hash", i.GetHexHash())
return nil
}
@@ -510,70 +663,117 @@ func (i *Identity) saveRatchets(path string) error {
return nil // Nothing to save
}
log.Printf("[DEBUG-6] Saving %d ratchets to %s", len(i.ratchets), path)
data := map[string]interface{}{
"ratchets": i.ratchets,
"ratchet_expiry": i.ratchetExpiry,
debug.Log(debug.DEBUG_PACKETS, "Saving ratchets", "count", len(i.ratchets), "path", path)
// Convert ratchets to list format for msgpack
ratchetList := make([][]byte, 0, len(i.ratchets))
for _, ratchet := range i.ratchets {
ratchetList = append(ratchetList, ratchet)
}
file, err := os.Create(path) // #nosec G304
// Pack ratchets using msgpack
packedRatchets, err := msgpack.Marshal(ratchetList)
if err != nil {
return fmt.Errorf("failed to create ratchet file: %w", err)
return fmt.Errorf("failed to pack ratchets: %w", err)
}
defer file.Close()
return json.NewEncoder(file).Encode(data)
// Sign the packed ratchets
signature := i.Sign(packedRatchets)
// Create structure: {"signature": ..., "ratchets": ...}
persistedData := map[string][]byte{
"signature": signature,
"ratchets": packedRatchets,
}
// Pack the entire structure
finalData, err := msgpack.Marshal(persistedData)
if err != nil {
return fmt.Errorf("failed to pack ratchet data: %w", err)
}
// Write to temporary file first, then rename (atomic operation)
tempPath := path + ".tmp"
file, err := os.Create(tempPath) // #nosec G304
if err != nil {
return fmt.Errorf("failed to create temp ratchet file: %w", err)
}
if _, err := file.Write(finalData); err != nil {
// #nosec G104 - Error already being handled, cleanup errors are non-critical
file.Close()
// #nosec G104 - Error already being handled, cleanup errors are non-critical
os.Remove(tempPath)
return fmt.Errorf("failed to write ratchet data: %w", err)
}
// #nosec G104 - File is being closed after successful write, error is non-critical
file.Close()
// Atomic rename
if err := os.Rename(tempPath, path); err != nil {
// #nosec G104 - Error already being handled, cleanup errors are non-critical
os.Remove(tempPath)
return fmt.Errorf("failed to rename ratchet file: %w", err)
}
debug.Log(debug.DEBUG_PACKETS, "Ratchets saved successfully")
return nil
}
func RecallIdentity(path string) (*Identity, error) {
log.Printf("[DEBUG-7] Attempting to recall identity from: %s", path)
debug.Log(debug.DEBUG_ALL, "Attempting to recall identity", "path", path)
// bearer:disable go_gosec_filesystem_filereadtaint
file, err := os.Open(path) // #nosec G304
if err != nil {
log.Printf("[DEBUG-1] Failed to open identity file: %v", err)
debug.Log(debug.DEBUG_CRITICAL, "Failed to open identity file", "error", err)
return nil, err
}
defer file.Close()
var data map[string]interface{}
if err := json.NewDecoder(file).Decode(&data); err != nil {
log.Printf("[DEBUG-1] Failed to decode identity data: %v", err)
// Read raw bytes
// Format: [X25519 PrivKey (32 bytes)][Ed25519 PrivKey (32 bytes)]
privateKeyBytes := make([]byte, 64)
n, err := io.ReadFull(file, privateKeyBytes)
if err != nil {
debug.Log(debug.DEBUG_CRITICAL, "Failed to read identity data", "error", err)
return nil, err
}
var signingSeed []byte
var verificationKey ed25519.PublicKey
if seedData, exists := data["signing_seed"]; exists {
signingSeed = seedData.([]byte)
verificationKey = data["verification_key"].(ed25519.PublicKey)
} else if keyData, exists := data["signing_key"]; exists {
oldKey := keyData.(ed25519.PrivateKey)
signingSeed = oldKey[:32]
verificationKey = data["verification_key"].(ed25519.PublicKey)
} else {
return nil, fmt.Errorf("no signing key data found in identity file")
if n != 64 {
return nil, fmt.Errorf("invalid identity file: expected 64 bytes, got %d", n)
}
// Extract keys
x25519PrivKey := privateKeyBytes[:32]
ed25519Seed := privateKeyBytes[32:]
// Derive public keys
x25519PubKey, err := curve25519.X25519(x25519PrivKey, curve25519.Basepoint)
if err != nil {
return nil, fmt.Errorf("failed to derive X25519 public key: %v", err)
}
ed25519PrivKey := ed25519.NewKeyFromSeed(ed25519Seed)
ed25519PubKey := ed25519PrivKey.Public().(ed25519.PublicKey)
id := &Identity{
privateKey: data["private_key"].([]byte),
publicKey: data["public_key"].([]byte),
signingSeed: signingSeed,
verificationKey: verificationKey,
appData: data["app_data"].([]byte),
privateKey: x25519PrivKey,
publicKey: x25519PubKey,
signingSeed: ed25519Seed,
verificationKey: ed25519PubKey,
ratchets: make(map[string][]byte),
ratchetExpiry: make(map[string]int64),
mutex: &sync.RWMutex{},
}
// Load ratchets if they exist
ratchetPath := path + ".ratchets"
if err := id.loadRatchets(ratchetPath); err != nil {
log.Printf("[DEBUG-2] Could not load ratchets for identity %s: %v", id.GetHexHash(), err)
// This is not a fatal error, the identity can still function
}
// Generate hash
combinedPub := make([]byte, KEYSIZE/8)
copy(combinedPub[:KEYSIZE/16], id.publicKey)
copy(combinedPub[KEYSIZE/16:], id.verificationKey)
hash := sha256.Sum256(combinedPub)
id.hash = hash[:TRUNCATED_HASHLENGTH/8]
log.Printf("[DEBUG-7] Successfully recalled identity with hash: %s", id.GetHexHash())
debug.Log(debug.DEBUG_ALL, "Successfully recalled identity", "hash", id.GetHexHash())
return id, nil
}
@@ -581,38 +781,62 @@ func (i *Identity) loadRatchets(path string) error {
i.mutex.Lock()
defer i.mutex.Unlock()
// bearer:disable go_gosec_filesystem_filereadtaint
file, err := os.Open(path) // #nosec G304
if err != nil {
if os.IsNotExist(err) {
log.Printf("[DEBUG-6] No ratchet file found at %s, skipping.", path)
debug.Log(debug.DEBUG_PACKETS, "No ratchet file found, skipping", "path", path)
return nil
}
return fmt.Errorf("failed to open ratchet file: %w", err)
}
defer file.Close()
var data map[string]interface{}
if err := json.NewDecoder(file).Decode(&data); err != nil {
return fmt.Errorf("failed to decode ratchet data: %w", err)
// Read all data
fileData, err := io.ReadAll(file)
if err != nil {
return fmt.Errorf("failed to read ratchet file: %w", err)
}
if ratchets, ok := data["ratchets"].(map[string]interface{}); ok {
for id, key := range ratchets {
if keyStr, ok := key.(string); ok {
i.ratchets[id] = []byte(keyStr)
}
// Unpack outer structure: {"signature": ..., "ratchets": ...}
var persistedData map[string][]byte
if err := msgpack.Unmarshal(fileData, &persistedData); err != nil {
return fmt.Errorf("failed to unpack ratchet data: %w", err)
}
signature, hasSignature := persistedData["signature"]
packedRatchets, hasRatchets := persistedData["ratchets"]
if !hasSignature || !hasRatchets {
return fmt.Errorf("invalid ratchet file format: missing signature or ratchets")
}
// Verify signature
if !i.Verify(packedRatchets, signature) {
return fmt.Errorf("invalid ratchet file signature")
}
// Unpack ratchet list
var ratchetList [][]byte
if err := msgpack.Unmarshal(packedRatchets, &ratchetList); err != nil {
return fmt.Errorf("failed to unpack ratchet list: %w", err)
}
// Store ratchets with generated IDs
now := time.Now().Unix()
for _, ratchet := range ratchetList {
// Generate ratchet public key to create ID
ratchetPub, err := curve25519.X25519(ratchet, curve25519.Basepoint)
if err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to generate ratchet public key", "error", err)
continue
}
ratchetID := i.GetRatchetID(ratchetPub)
i.ratchets[string(ratchetID)] = ratchet
i.ratchetExpiry[string(ratchetID)] = now + RATCHET_EXPIRY
}
if expiry, ok := data["ratchet_expiry"].(map[string]interface{}); ok {
for id, timeVal := range expiry {
if timeFloat, ok := timeVal.(float64); ok {
i.ratchetExpiry[id] = int64(timeFloat)
}
}
}
log.Printf("[DEBUG-6] Loaded %d ratchets from %s", len(i.ratchets), path)
debug.Log(debug.DEBUG_PACKETS, "Loaded ratchets", "count", len(i.ratchets), "path", path)
return nil
}
@@ -638,7 +862,10 @@ func (i *Identity) GetRatchetID(ratchetPubBytes []byte) []byte {
}
func GetKnownDestination(hash string) ([]interface{}, bool) {
if data, exists := knownDestinations[hash]; exists {
knownDestinationsLock.RLock()
data, exists := knownDestinations[hash]
knownDestinationsLock.RUnlock()
if exists {
return data, true
}
return nil, false
@@ -668,7 +895,7 @@ func (i *Identity) SetRatchetKey(id string, key []byte) {
// NewIdentity creates a new Identity instance with fresh keys
func NewIdentity() (*Identity, error) {
// Generate 32-byte Ed25519 seed (compatible with Python RNS)
// Generate 32-byte Ed25519 seed
var ed25519Seed [32]byte
if _, err := io.ReadFull(rand.Reader, ed25519Seed[:]); err != nil {
return nil, fmt.Errorf("failed to generate Ed25519 seed: %v", err)
@@ -704,28 +931,50 @@ func NewIdentity() (*Identity, error) {
copy(combinedPub[:KEYSIZE/16], i.publicKey)
copy(combinedPub[KEYSIZE/16:], i.verificationKey)
hash := sha256.Sum256(combinedPub)
i.hash = hash[:]
i.hash = hash[:TRUNCATED_HASHLENGTH/8]
return i, nil
}
// FromBytes creates an Identity from a 64-byte private key representation
func FromBytes(data []byte) (*Identity, error) {
if len(data) != 64 {
return nil, fmt.Errorf("invalid identity data: expected 64 bytes, got %d", len(data))
}
privateKey := data[:32]
signingSeed := data[32:64]
ident := &Identity{
ratchets: make(map[string][]byte),
ratchetExpiry: make(map[string]int64),
mutex: &sync.RWMutex{},
}
if err := ident.loadPrivateKey(privateKey, signingSeed); err != nil {
return nil, fmt.Errorf("failed to load private key: %w", err)
}
return ident, nil
}
func (i *Identity) RotateRatchet() ([]byte, error) {
i.mutex.Lock()
defer i.mutex.Unlock()
log.Printf("[DEBUG-7] Rotating ratchet for identity %s", i.GetHexHash())
debug.Log(debug.DEBUG_ALL, "Rotating ratchet for identity", "hash", i.GetHexHash())
// Generate new ratchet key
newRatchet := make([]byte, RATCHETSIZE/8)
if _, err := io.ReadFull(rand.Reader, newRatchet); err != nil {
log.Printf("[DEBUG-1] Failed to generate new ratchet: %v", err)
debug.Log(debug.DEBUG_CRITICAL, "Failed to generate new ratchet", "error", err)
return nil, err
}
// Get public key for ratchet ID
ratchetPub, err := curve25519.X25519(newRatchet, curve25519.Basepoint)
if err != nil {
log.Printf("[DEBUG-1] Failed to generate ratchet public key: %v", err)
debug.Log(debug.DEBUG_CRITICAL, "Failed to generate ratchet public key", "error", err)
return nil, err
}
@@ -736,7 +985,7 @@ func (i *Identity) RotateRatchet() ([]byte, error) {
i.ratchets[string(ratchetID)] = newRatchet
i.ratchetExpiry[string(ratchetID)] = expiry
log.Printf("[DEBUG-7] New ratchet generated with ID: %x, expiry: %d", ratchetID, expiry)
debug.Log(debug.DEBUG_ALL, "New ratchet generated", "id", fmt.Sprintf("%x", ratchetID), "expiry", expiry)
// Cleanup old ratchets if we exceed max retained
if len(i.ratchets) > MAX_RETAINED_RATCHETS {
@@ -752,10 +1001,10 @@ func (i *Identity) RotateRatchet() ([]byte, error) {
delete(i.ratchets, oldestID)
delete(i.ratchetExpiry, oldestID)
log.Printf("[DEBUG-7] Cleaned up oldest ratchet with ID: %x", []byte(oldestID))
debug.Log(debug.DEBUG_ALL, "Cleaned up oldest ratchet", "id", fmt.Sprintf("%x", []byte(oldestID)))
}
log.Printf("[DEBUG-7] Current number of active ratchets: %d", len(i.ratchets))
debug.Log(debug.DEBUG_ALL, "Current number of active ratchets", "count", len(i.ratchets))
return newRatchet, nil
}
@@ -763,7 +1012,7 @@ func (i *Identity) GetRatchets() [][]byte {
i.mutex.RLock()
defer i.mutex.RUnlock()
log.Printf("[DEBUG-7] Getting ratchets for identity %s", i.GetHexHash())
debug.Log(debug.DEBUG_ALL, "Getting ratchets for identity", "hash", i.GetHexHash())
ratchets := make([][]byte, 0, len(i.ratchets))
now := time.Now().Unix()
@@ -781,7 +1030,7 @@ func (i *Identity) GetRatchets() [][]byte {
}
}
log.Printf("[DEBUG-7] Retrieved %d active ratchets, cleaned up %d expired", len(ratchets), expired)
debug.Log(debug.DEBUG_ALL, "Retrieved active ratchets", "active", len(ratchets), "expired", expired)
return ratchets
}
@@ -789,7 +1038,7 @@ func (i *Identity) CleanupExpiredRatchets() {
i.mutex.Lock()
defer i.mutex.Unlock()
log.Printf("[DEBUG-7] Starting ratchet cleanup for identity %s", i.GetHexHash())
debug.Log(debug.DEBUG_ALL, "Starting ratchet cleanup for identity", "hash", i.GetHexHash())
now := time.Now().Unix()
cleaned := 0
@@ -801,7 +1050,7 @@ func (i *Identity) CleanupExpiredRatchets() {
}
}
log.Printf("[DEBUG-7] Cleaned up %d expired ratchets, %d remaining", cleaned, len(i.ratchets))
debug.Log(debug.DEBUG_ALL, "Cleaned up expired ratchets", "cleaned", cleaned, "remaining", len(i.ratchets))
}
// ValidateAnnounce validates an announce packet's signature

148
pkg/identity/identity_test.go Normal file
View File

@@ -0,0 +1,148 @@
package identity
import (
"bytes"
"path/filepath"
"testing"
)
func TestNewIdentity(t *testing.T) {
id, err := New()
if err != nil {
t.Fatalf("New() failed: %v", err)
}
if id == nil {
t.Fatal("New() returned nil")
}
pubKey := id.GetPublicKey()
if len(pubKey) != 64 {
t.Errorf("Expected public key length 64, got %d", len(pubKey))
}
privKey := id.GetPrivateKey()
if len(privKey) != 64 {
t.Errorf("Expected private key length 64, got %d", len(privKey))
}
}
func TestSignVerify(t *testing.T) {
id, _ := New()
data := []byte("test data")
sig := id.Sign(data)
if !id.Verify(data, sig) {
t.Error("Verification failed for valid signature")
}
if id.Verify([]byte("wrong data"), sig) {
t.Error("Verification succeeded for wrong data")
}
}
func TestEncryptDecrypt(t *testing.T) {
id, _ := New()
plaintext := []byte("secret message")
ciphertext, err := id.Encrypt(plaintext, nil)
if err != nil {
t.Fatalf("Encrypt failed: %v", err)
}
decrypted, err := id.Decrypt(ciphertext, nil, false, nil)
if err != nil {
t.Fatalf("Decrypt failed: %v", err)
}
if !bytes.Equal(plaintext, decrypted) {
t.Errorf("Decrypted data doesn't match plaintext: %q vs %q", decrypted, plaintext)
}
}
func TestIdentityHash(t *testing.T) {
id, _ := New()
h := id.Hash()
if len(h) != TRUNCATED_HASHLENGTH/8 {
t.Errorf("Expected hash length %d, got %d", TRUNCATED_HASHLENGTH/8, len(h))
}
hexHash := id.Hex()
if len(hexHash) != TRUNCATED_HASHLENGTH/4 {
t.Errorf("Expected hex hash length %d, got %d", TRUNCATED_HASHLENGTH/4, len(hexHash))
}
}
func TestFileOperations(t *testing.T) {
tmpDir := t.TempDir()
idPath := filepath.Join(tmpDir, "identity")
id, _ := New()
err := id.ToFile(idPath)
if err != nil {
t.Fatalf("ToFile failed: %v", err)
}
loadedID, err := FromFile(idPath)
if err != nil {
t.Fatalf("FromFile failed: %v", err)
}
if !bytes.Equal(id.GetPublicKey(), loadedID.GetPublicKey()) {
t.Error("Loaded identity public key doesn't match original")
}
}
func TestRatchets(t *testing.T) {
id, _ := New()
ratchet, err := id.RotateRatchet()
if err != nil {
t.Fatalf("RotateRatchet failed: %v", err)
}
if len(ratchet) != RATCHETSIZE/8 {
t.Errorf("Expected ratchet size %d, got %d", RATCHETSIZE/8, len(ratchet))
}
ratchets := id.GetRatchets()
if len(ratchets) != 1 {
t.Errorf("Expected 1 ratchet, got %d", len(ratchets))
}
id.CleanupExpiredRatchets()
// Should still be there since it's not expired
if len(id.GetRatchets()) != 1 {
t.Error("Ratchet unexpectedly cleaned up")
}
}
func TestRecallIdentity(t *testing.T) {
tmpDir := t.TempDir()
idPath := filepath.Join(tmpDir, "identity_recall")
id, _ := New()
_ = id.ToFile(idPath)
recalledID, err := RecallIdentity(idPath)
if err != nil {
t.Fatalf("RecallIdentity failed: %v", err)
}
if !bytes.Equal(id.GetPublicKey(), recalledID.GetPublicKey()) {
t.Error("Recalled identity public key doesn't match original")
}
}
func TestTruncatedHash(t *testing.T) {
data := []byte("some data")
h := TruncatedHash(data)
if len(h) != TRUNCATED_HASHLENGTH/8 {
t.Errorf("Expected length %d, got %d", TRUNCATED_HASHLENGTH/8, len(h))
}
}
func TestGetRandomHash(t *testing.T) {
h := GetRandomHash()
if len(h) != TRUNCATED_HASHLENGTH/8 {
t.Errorf("Expected length %d, got %d", TRUNCATED_HASHLENGTH/8, len(h))
}
}

582
pkg/interfaces/auto.go
View File

@@ -1,49 +1,112 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build !tinygo
// +build !tinygo
package interfaces
import (
"bytes"
"crypto/sha256"
"encoding/hex"
"fmt"
"log"
"net"
"sync"
"time"
"github.com/Sudo-Ivan/reticulum-go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
const (
HW_MTU = 1196
DEFAULT_DISCOVERY_PORT = 29716
DEFAULT_DATA_PORT = 42671
DEFAULT_GROUP_ID = "reticulum"
BITRATE_GUESS = 10 * 1000 * 1000
PEERING_TIMEOUT = 7500 * time.Millisecond
SCOPE_LINK = "2"
SCOPE_ADMIN = "4"
SCOPE_SITE = "5"
SCOPE_ORGANISATION = "8"
SCOPE_GLOBAL = "e"
PEERING_TIMEOUT = 22 * time.Second
ANNOUNCE_INTERVAL = 1600 * time.Millisecond
PEER_JOB_INTERVAL = 4 * time.Second
MCAST_ECHO_TIMEOUT = 6500 * time.Millisecond
SCOPE_LINK = "2"
SCOPE_ADMIN = "4"
SCOPE_SITE = "5"
SCOPE_ORGANISATION = "8"
SCOPE_GLOBAL = "e"
MCAST_ADDR_TYPE_PERMANENT = "0"
MCAST_ADDR_TYPE_TEMPORARY = "1"
)
type AutoInterface struct {
BaseInterface
groupID []byte
discoveryPort int
dataPort int
discoveryScope string
peers map[string]*Peer
linkLocalAddrs []string
adoptedInterfaces map[string]string
interfaceServers map[string]net.Conn
multicastEchoes map[string]time.Time
mutex sync.RWMutex
outboundConn net.Conn
groupID []byte
groupHash []byte
discoveryPort int
dataPort int
discoveryScope string
multicastAddrType string
mcastDiscoveryAddr string
ifacNetname string
peers map[string]*Peer
linkLocalAddrs []string
adoptedInterfaces map[string]*AdoptedInterface
interfaceServers map[string]*net.UDPConn
discoveryServers map[string]*net.UDPConn
multicastEchoes map[string]time.Time
timedOutInterfaces map[string]time.Time
allowedInterfaces []string
ignoredInterfaces []string
outboundConn *net.UDPConn
announceInterval time.Duration
peerJobInterval time.Duration
peeringTimeout time.Duration
mcastEchoTimeout time.Duration
done chan struct{}
stopOnce sync.Once
}
type AdoptedInterface struct {
name string
linkLocalAddr string
index int
}
type Peer struct {
ifaceName string
lastHeard time.Time
conn net.PacketConn
addr *net.UDPAddr
}
func NewAutoInterface(name string, config *common.InterfaceConfig) (*AutoInterface, error) {
groupID := DEFAULT_GROUP_ID
if config.GroupID != "" {
groupID = config.GroupID
}
discoveryScope := SCOPE_LINK
if config.DiscoveryScope != "" {
discoveryScope = normalizeScope(config.DiscoveryScope)
}
multicastAddrType := MCAST_ADDR_TYPE_TEMPORARY
discoveryPort := DEFAULT_DISCOVERY_PORT
if config.DiscoveryPort != 0 {
discoveryPort = config.DiscoveryPort
}
dataPort := DEFAULT_DATA_PORT
if config.DataPort != 0 {
dataPort = config.DataPort
}
groupHash := sha256.Sum256([]byte(groupID))
ifacNetname := hex.EncodeToString(groupHash[:])[:16]
mcastAddr := fmt.Sprintf("ff%s%s::%s", discoveryScope, multicastAddrType, ifacNetname)
ai := &AutoInterface{
BaseInterface: BaseInterface{
Name: name,
@@ -52,74 +115,303 @@ func NewAutoInterface(name string, config *common.InterfaceConfig) (*AutoInterfa
Online: false,
Enabled: config.Enabled,
Detached: false,
IN: false,
IN: true,
OUT: false,
MTU: common.DEFAULT_MTU,
Bitrate: BITRATE_MINIMUM,
MTU: HW_MTU,
Bitrate: BITRATE_GUESS,
},
discoveryPort: DEFAULT_DISCOVERY_PORT,
dataPort: DEFAULT_DATA_PORT,
discoveryScope: SCOPE_LINK,
peers: make(map[string]*Peer),
linkLocalAddrs: make([]string, 0),
adoptedInterfaces: make(map[string]string),
interfaceServers: make(map[string]net.Conn),
multicastEchoes: make(map[string]time.Time),
}
if config.Port != 0 {
ai.discoveryPort = config.Port
}
if config.GroupID != "" {
ai.groupID = []byte(config.GroupID)
} else {
ai.groupID = []byte("reticulum")
groupID: []byte(groupID),
groupHash: groupHash[:],
discoveryPort: discoveryPort,
dataPort: dataPort,
discoveryScope: discoveryScope,
multicastAddrType: multicastAddrType,
mcastDiscoveryAddr: mcastAddr,
ifacNetname: ifacNetname,
peers: make(map[string]*Peer),
linkLocalAddrs: make([]string, 0),
adoptedInterfaces: make(map[string]*AdoptedInterface),
interfaceServers: make(map[string]*net.UDPConn),
discoveryServers: make(map[string]*net.UDPConn),
multicastEchoes: make(map[string]time.Time),
timedOutInterfaces: make(map[string]time.Time),
allowedInterfaces: make([]string, 0),
ignoredInterfaces: make([]string, 0),
announceInterval: ANNOUNCE_INTERVAL,
peerJobInterval: PEER_JOB_INTERVAL,
peeringTimeout: PEERING_TIMEOUT,
mcastEchoTimeout: MCAST_ECHO_TIMEOUT,
done: make(chan struct{}),
}
debug.Log(debug.DEBUG_INFO, "AutoInterface configured", "name", name, "group", groupID, "mcast_addr", mcastAddr)
return ai, nil
}
func normalizeScope(scope string) string {
switch scope {
case "link", "2":
return SCOPE_LINK
case "admin", "4":
return SCOPE_ADMIN
case "site", "5":
return SCOPE_SITE
case "organisation", "organization", "8":
return SCOPE_ORGANISATION
case "global", "e":
return SCOPE_GLOBAL
default:
return SCOPE_LINK
}
}
func normalizeMulticastType(mtype string) string {
switch mtype {
case "permanent", "0":
return MCAST_ADDR_TYPE_PERMANENT
case "temporary", "1":
return MCAST_ADDR_TYPE_TEMPORARY
default:
return MCAST_ADDR_TYPE_TEMPORARY
}
}
func (ai *AutoInterface) Start() error {
// TinyGo doesn't support net.Interfaces() or multicast UDP
// AutoInterface requires these features, so return an error
return fmt.Errorf("AutoInterface not supported in TinyGo - requires interface enumeration and multicast UDP")
ai.Mutex.Lock()
// Only recreate done if it's nil or was closed
select {
case <-ai.done:
ai.done = make(chan struct{})
ai.stopOnce = sync.Once{}
default:
if ai.done == nil {
ai.done = make(chan struct{})
ai.stopOnce = sync.Once{}
}
}
ai.Mutex.Unlock()
interfaces, err := net.Interfaces()
if err != nil {
return fmt.Errorf("failed to list interfaces: %v", err)
}
for _, iface := range interfaces {
if ai.shouldIgnoreInterface(iface.Name) {
debug.Log(debug.DEBUG_TRACE, "Ignoring interface", "name", iface.Name)
continue
}
if len(ai.allowedInterfaces) > 0 && !ai.isAllowedInterface(iface.Name) {
debug.Log(debug.DEBUG_TRACE, "Interface not in allowed list", "name", iface.Name)
continue
}
ifaceCopy := iface
// bearer:disable go_gosec_memory_memory_aliasing
if err := ai.configureInterface(&ifaceCopy); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to configure interface", "name", iface.Name, "error", err)
continue
}
}
if len(ai.adoptedInterfaces) == 0 {
return fmt.Errorf("no suitable interfaces found")
}
ai.Online = true
ai.IN = true
ai.OUT = true
go ai.peerJobs()
go ai.announceLoop()
debug.Log(debug.DEBUG_INFO, "AutoInterface started", "adopted", len(ai.adoptedInterfaces))
return nil
}
func (ai *AutoInterface) shouldIgnoreInterface(name string) bool {
ignoreList := []string{"lo", "lo0", "tun0", "awdl0", "llw0", "en5", "dummy0"}
for _, ignored := range ai.ignoredInterfaces {
if name == ignored {
return true
}
}
for _, ignored := range ignoreList {
if name == ignored {
return true
}
}
return false
}
func (ai *AutoInterface) isAllowedInterface(name string) bool {
for _, allowed := range ai.allowedInterfaces {
if name == allowed {
return true
}
}
return false
}
func (ai *AutoInterface) configureInterface(iface *net.Interface) error {
// Not supported in TinyGo
return fmt.Errorf("configureInterface not supported in TinyGo")
if iface.Flags&net.FlagUp == 0 {
return fmt.Errorf("interface is down")
}
if iface.Flags&net.FlagLoopback != 0 {
return fmt.Errorf("loopback interface")
}
addrs, err := iface.Addrs()
if err != nil {
return err
}
var linkLocalAddr string
for _, addr := range addrs {
if ipnet, ok := addr.(*net.IPNet); ok {
if ipnet.IP.To4() == nil && ipnet.IP.IsLinkLocalUnicast() {
linkLocalAddr = ipnet.IP.String()
break
}
}
}
if linkLocalAddr == "" {
return fmt.Errorf("no link-local IPv6 address found")
}
ai.Mutex.Lock()
ai.adoptedInterfaces[iface.Name] = &AdoptedInterface{
name: iface.Name,
linkLocalAddr: linkLocalAddr,
index: iface.Index,
}
ai.linkLocalAddrs = append(ai.linkLocalAddrs, linkLocalAddr)
ai.multicastEchoes[iface.Name] = time.Now()
ai.Mutex.Unlock()
if err := ai.startDiscoveryListener(iface); err != nil {
return fmt.Errorf("failed to start discovery listener: %v", err)
}
if err := ai.startDataListener(iface); err != nil {
return fmt.Errorf("failed to start data listener: %v", err)
}
debug.Log(debug.DEBUG_INFO, "Configured interface", "name", iface.Name, "addr", linkLocalAddr)
return nil
}
func (ai *AutoInterface) startDiscoveryListener(iface *net.Interface) error {
// Multicast UDP not supported in TinyGo
return fmt.Errorf("startDiscoveryListener not supported in TinyGo - requires multicast UDP")
addr := &net.UDPAddr{
IP: net.ParseIP(ai.mcastDiscoveryAddr),
Port: ai.discoveryPort,
Zone: iface.Name,
}
conn, err := net.ListenMulticastUDP("udp6", iface, addr)
if err != nil {
return err
}
if err := conn.SetReadBuffer(common.NUM_1024); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to set discovery read buffer", "error", err)
}
ai.Mutex.Lock()
ai.discoveryServers[iface.Name] = conn
ai.Mutex.Unlock()
go ai.handleDiscovery(conn, iface.Name)
debug.Log(debug.DEBUG_VERBOSE, "Discovery listener started", "interface", iface.Name, "addr", ai.mcastDiscoveryAddr)
return nil
}
func (ai *AutoInterface) startDataListener(iface *net.Interface) error {
// TinyGo doesn't support UDP servers
return fmt.Errorf("startDataListener not supported in TinyGo")
adoptedIface, exists := ai.adoptedInterfaces[iface.Name]
if !exists {
return fmt.Errorf("interface not adopted")
}
addr := &net.UDPAddr{
IP: net.ParseIP(adoptedIface.linkLocalAddr),
Port: ai.dataPort,
Zone: iface.Name,
}
conn, err := net.ListenUDP("udp6", addr)
if err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to listen on data port", "addr", addr, "error", err)
return err
}
if err := conn.SetReadBuffer(ai.MTU); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to set data read buffer", "error", err)
}
ai.Mutex.Lock()
ai.interfaceServers[iface.Name] = conn
ai.Mutex.Unlock()
go ai.handleData(conn, iface.Name)
debug.Log(debug.DEBUG_VERBOSE, "Data listener started", "interface", iface.Name, "addr", addr)
return nil
}
func (ai *AutoInterface) handleDiscovery(conn net.Conn, ifaceName string) {
// Not used in TinyGo
buf := make([]byte, 1024)
func (ai *AutoInterface) handleDiscovery(conn *net.UDPConn, ifaceName string) {
buf := make([]byte, common.NUM_1024)
for {
_, err := conn.Read(buf)
ai.Mutex.RLock()
done := ai.done
ai.Mutex.RUnlock()
select {
case <-done:
return
default:
}
n, remoteAddr, err := conn.ReadFromUDP(buf)
if err != nil {
log.Printf("Discovery read error: %v", err)
continue
if ai.IsOnline() {
debug.Log(debug.DEBUG_ERROR, "Discovery read error", "interface", ifaceName, "error", err)
}
return
}
if n >= len(ai.groupHash) {
receivedHash := buf[:len(ai.groupHash)]
if bytes.Equal(receivedHash, ai.groupHash) {
ai.handlePeerAnnounce(remoteAddr, ifaceName)
} else {
debug.Log(debug.DEBUG_TRACE, "Received discovery with mismatched group hash", "interface", ifaceName)
}
}
}
}
func (ai *AutoInterface) handleData(conn net.Conn) {
func (ai *AutoInterface) handleData(conn *net.UDPConn, ifaceName string) {
buf := make([]byte, ai.GetMTU())
for {
n, err := conn.Read(buf)
ai.Mutex.RLock()
done := ai.done
ai.Mutex.RUnlock()
select {
case <-done:
return
default:
}
n, _, err := conn.ReadFromUDP(buf)
if err != nil {
if !ai.IsDetached() {
log.Printf("Data read error: %v", err)
if ai.IsOnline() {
debug.Log(debug.DEBUG_ERROR, "Data read error", "interface", ifaceName, "error", err)
}
return
}
@@ -131,62 +423,186 @@ func (ai *AutoInterface) handleData(conn net.Conn) {
}
func (ai *AutoInterface) handlePeerAnnounce(addr *net.UDPAddr, ifaceName string) {
ai.mutex.Lock()
defer ai.mutex.Unlock()
ai.Mutex.Lock()
defer ai.Mutex.Unlock()
peerAddr := addr.IP.String()
peerIP := addr.IP.String()
for _, localAddr := range ai.linkLocalAddrs {
if peerAddr == localAddr {
if peerIP == localAddr {
ai.multicastEchoes[ifaceName] = time.Now()
debug.Log(debug.DEBUG_TRACE, "Received own multicast echo", "interface", ifaceName)
return
}
}
if _, exists := ai.peers[peerAddr]; !exists {
ai.peers[peerAddr] = &Peer{
peerKey := peerIP + "%" + ifaceName
if peer, exists := ai.peers[peerKey]; exists {
peer.lastHeard = time.Now()
debug.Log(debug.DEBUG_TRACE, "Updated peer", "peer", peerIP, "interface", ifaceName)
} else {
ai.peers[peerKey] = &Peer{
ifaceName: ifaceName,
lastHeard: time.Now(),
addr: addr,
}
debug.Log(debug.DEBUG_INFO, "Discovered new peer", "peer", peerIP, "interface", ifaceName)
}
}
func (ai *AutoInterface) announceLoop() {
ticker := time.NewTicker(ai.announceInterval)
defer ticker.Stop()
for {
select {
case <-ticker.C:
if !ai.IsOnline() {
return
}
ai.sendPeerAnnounce()
case <-ai.done:
return
}
}
}
func (ai *AutoInterface) sendPeerAnnounce() {
ai.Mutex.RLock()
defer ai.Mutex.RUnlock()
for ifaceName, adoptedIface := range ai.adoptedInterfaces {
mcastAddr := &net.UDPAddr{
IP: net.ParseIP(ai.mcastDiscoveryAddr),
Port: ai.discoveryPort,
Zone: ifaceName,
}
if ai.outboundConn == nil {
var err error
ai.outboundConn, err = net.ListenUDP("udp6", &net.UDPAddr{Port: 0})
if err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to create outbound socket", "error", err)
return
}
}
if _, err := ai.outboundConn.WriteToUDP(ai.groupHash, mcastAddr); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to send peer announce", "interface", ifaceName, "error", err)
} else {
debug.Log(debug.DEBUG_TRACE, "Sent peer announce", "interface", adoptedIface.name)
}
log.Printf("Added peer %s on %s", peerAddr, ifaceName)
} else {
ai.peers[peerAddr].lastHeard = time.Now()
}
}
func (ai *AutoInterface) peerJobs() {
ticker := time.NewTicker(PEERING_TIMEOUT)
for range ticker.C {
ai.mutex.Lock()
now := time.Now()
ticker := time.NewTicker(ai.peerJobInterval)
defer ticker.Stop()
for addr, peer := range ai.peers {
if now.Sub(peer.lastHeard) > PEERING_TIMEOUT {
delete(ai.peers, addr)
log.Printf("Removed timed out peer %s", addr)
for {
select {
case <-ticker.C:
if !ai.IsOnline() {
return
}
}
ai.mutex.Unlock()
ai.Mutex.Lock()
now := time.Now()
for peerKey, peer := range ai.peers {
if now.Sub(peer.lastHeard) > ai.peeringTimeout {
delete(ai.peers, peerKey)
debug.Log(debug.DEBUG_VERBOSE, "Removed timed out peer", "peer", peerKey)
}
}
for ifaceName, echoTime := range ai.multicastEchoes {
if now.Sub(echoTime) > ai.mcastEchoTimeout {
if _, exists := ai.timedOutInterfaces[ifaceName]; !exists {
debug.Log(debug.DEBUG_INFO, "Interface timed out", "interface", ifaceName)
ai.timedOutInterfaces[ifaceName] = now
}
} else {
delete(ai.timedOutInterfaces, ifaceName)
}
}
ai.Mutex.Unlock()
case <-ai.done:
return
}
}
}
func (ai *AutoInterface) Send(data []byte, address string) error {
// TinyGo doesn't support UDP outbound connections for auto-discovery
return fmt.Errorf("Send not supported in TinyGo - requires UDP client connections")
if !ai.IsOnline() {
return fmt.Errorf("interface offline")
}
ai.Mutex.RLock()
defer ai.Mutex.RUnlock()
if len(ai.peers) == 0 {
debug.Log(debug.DEBUG_TRACE, "No peers available for sending")
return nil
}
if ai.outboundConn == nil {
var err error
ai.outboundConn, err = net.ListenUDP("udp6", &net.UDPAddr{Port: 0})
if err != nil {
return fmt.Errorf("failed to create outbound socket: %v", err)
}
}
sentCount := 0
for _, peer := range ai.peers {
targetAddr := &net.UDPAddr{
IP: peer.addr.IP,
Port: ai.dataPort,
Zone: peer.ifaceName,
}
if _, err := ai.outboundConn.WriteToUDP(data, targetAddr); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to send to peer", "interface", peer.ifaceName, "error", err)
continue
}
sentCount++
}
if sentCount > 0 {
debug.Log(debug.DEBUG_TRACE, "Sent data to peers", "count", sentCount, "bytes", len(data))
}
return nil
}
func (ai *AutoInterface) Stop() error {
ai.mutex.Lock()
defer ai.mutex.Unlock()
ai.Mutex.Lock()
ai.Online = false
ai.IN = false
ai.OUT = false
for _, server := range ai.interfaceServers {
server.Close() // #nosec G104
}
for _, server := range ai.discoveryServers {
server.Close() // #nosec G104
}
if ai.outboundConn != nil {
ai.outboundConn.Close() // #nosec G104
}
ai.Mutex.Unlock()
ai.stopOnce.Do(func() {
if ai.done != nil {
close(ai.done)
}
})
debug.Log(debug.DEBUG_INFO, "AutoInterface stopped")
return nil
}

65
pkg/interfaces/auto_test.go
View File

@@ -5,7 +5,7 @@ import (
"testing"
"time"
"github.com/Sudo-Ivan/reticulum-go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
)
func TestNewAutoInterface(t *testing.T) {
@@ -44,9 +44,10 @@ func TestNewAutoInterface(t *testing.T) {
t.Run("CustomConfig", func(t *testing.T) {
config := &common.InterfaceConfig{
Enabled: true,
Port: 12345, // Custom discovery port
GroupID: "customGroup",
Enabled: true,
DiscoveryPort: 12345,
DataPort: 54321,
GroupID: "customGroup",
}
ai, err := NewAutoInterface("autoCustom", config)
if err != nil {
@@ -59,6 +60,9 @@ func TestNewAutoInterface(t *testing.T) {
if ai.discoveryPort != 12345 {
t.Errorf("discoveryPort = %d; want 12345", ai.discoveryPort)
}
if ai.dataPort != 54321 {
t.Errorf("dataPort = %d; want 54321", ai.dataPort)
}
if string(ai.groupID) != "customGroup" {
t.Errorf("groupID = %s; want customGroup", string(ai.groupID))
}
@@ -79,9 +83,11 @@ func newMockAutoInterface(name string, config *common.InterfaceConfig) (*mockAut
// Initialize maps that would normally be initialized in Start()
ai.peers = make(map[string]*Peer)
ai.linkLocalAddrs = make([]string, 0)
ai.adoptedInterfaces = make(map[string]string)
ai.adoptedInterfaces = make(map[string]*AdoptedInterface)
ai.interfaceServers = make(map[string]*net.UDPConn)
ai.discoveryServers = make(map[string]*net.UDPConn)
ai.multicastEchoes = make(map[string]time.Time)
ai.timedOutInterfaces = make(map[string]time.Time)
return &mockAutoInterface{AutoInterface: ai}, nil
}
@@ -138,14 +144,14 @@ func TestAutoInterfacePeerManagement(t *testing.T) {
for {
select {
case <-ticker.C:
ai.mutex.Lock()
ai.Mutex.Lock()
now := time.Now()
for addr, peer := range ai.peers {
if now.Sub(peer.lastHeard) > testTimeout {
delete(ai.peers, addr)
}
}
ai.mutex.Unlock()
ai.Mutex.Unlock()
case <-done:
return
}
@@ -167,27 +173,26 @@ func TestAutoInterfacePeerManagement(t *testing.T) {
peer2Addr := &net.UDPAddr{IP: net.ParseIP("fe80::2"), Zone: "eth0"}
localAddr := &net.UDPAddr{IP: net.ParseIP("fe80::aaaa"), Zone: "eth0"}
// Add a simulated local address to avoid adding it as a peer
ai.mutex.Lock()
ai.Mutex.Lock()
ai.linkLocalAddrs = append(ai.linkLocalAddrs, localAddrStr)
ai.mutex.Unlock()
ai.Mutex.Unlock()
t.Run("AddPeer1", func(t *testing.T) {
ai.mutex.Lock()
ai.Mutex.Lock()
ai.mockHandlePeerAnnounce(peer1Addr, "eth0")
ai.mutex.Unlock()
ai.Mutex.Unlock()
// Give a small amount of time for the peer to be processed
time.Sleep(10 * time.Millisecond)
ai.mutex.RLock()
ai.Mutex.RLock()
count := len(ai.peers)
peer, exists := ai.peers[peer1AddrStr]
var ifaceName string
if exists {
ifaceName = peer.ifaceName
}
ai.mutex.RUnlock()
ai.Mutex.RUnlock()
if count != 1 {
t.Fatalf("Expected 1 peer, got %d", count)
@@ -201,17 +206,17 @@ func TestAutoInterfacePeerManagement(t *testing.T) {
})
t.Run("AddPeer2", func(t *testing.T) {
ai.mutex.Lock()
ai.Mutex.Lock()
ai.mockHandlePeerAnnounce(peer2Addr, "eth0")
ai.mutex.Unlock()
ai.Mutex.Unlock()
// Give a small amount of time for the peer to be processed
time.Sleep(10 * time.Millisecond)
ai.mutex.RLock()
ai.Mutex.RLock()
count := len(ai.peers)
_, exists := ai.peers[peer2AddrStr]
ai.mutex.RUnlock()
ai.Mutex.RUnlock()
if count != 2 {
t.Fatalf("Expected 2 peers, got %d", count)
@@ -222,16 +227,16 @@ func TestAutoInterfacePeerManagement(t *testing.T) {
})
t.Run("IgnoreLocalAnnounce", func(t *testing.T) {
ai.mutex.Lock()
ai.Mutex.Lock()
ai.mockHandlePeerAnnounce(localAddr, "eth0")
ai.mutex.Unlock()
ai.Mutex.Unlock()
// Give a small amount of time for the peer to be processed
time.Sleep(10 * time.Millisecond)
ai.mutex.RLock()
ai.Mutex.RLock()
count := len(ai.peers)
ai.mutex.RUnlock()
ai.Mutex.RUnlock()
if count != 2 {
t.Fatalf("Expected 2 peers after local announce, got %d", count)
@@ -239,32 +244,32 @@ func TestAutoInterfacePeerManagement(t *testing.T) {
})
t.Run("UpdatePeerTimestamp", func(t *testing.T) {
ai.mutex.RLock()
ai.Mutex.RLock()
peer, exists := ai.peers[peer1AddrStr]
var initialTime time.Time
if exists {
initialTime = peer.lastHeard
}
ai.mutex.RUnlock()
ai.Mutex.RUnlock()
if !exists {
t.Fatalf("Peer %s not found before timestamp update", peer1AddrStr)
}
ai.mutex.Lock()
ai.Mutex.Lock()
ai.mockHandlePeerAnnounce(peer1Addr, "eth0")
ai.mutex.Unlock()
ai.Mutex.Unlock()
// Give a small amount of time for the peer to be processed
time.Sleep(10 * time.Millisecond)
ai.mutex.RLock()
ai.Mutex.RLock()
peer, exists = ai.peers[peer1AddrStr]
var updatedTime time.Time
if exists {
updatedTime = peer.lastHeard
}
ai.mutex.RUnlock()
ai.Mutex.RUnlock()
if !exists {
t.Fatalf("Peer %s not found after timestamp update", peer1AddrStr)
@@ -279,9 +284,9 @@ func TestAutoInterfacePeerManagement(t *testing.T) {
// Wait for peer timeout
time.Sleep(testTimeout * 2)
ai.mutex.RLock()
ai.Mutex.RLock()
count := len(ai.peers)
ai.mutex.RUnlock()
ai.Mutex.RUnlock()
if count != 0 {
t.Errorf("Expected all peers to timeout, got %d peers", count)

97
pkg/interfaces/auto_tinygo.go Normal file
View File

@@ -0,0 +1,97 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build tinygo
// +build tinygo
package interfaces
import (
"fmt"
"net"
"sync"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
)
const (
HW_MTU = 1196
DEFAULT_DISCOVERY_PORT = 29716
DEFAULT_DATA_PORT = 42671
DEFAULT_GROUP_ID = "reticulum"
BITRATE_GUESS = 10 * 1000 * 1000
)
type AutoInterface struct {
BaseInterface
groupID []byte
discoveryPort int
dataPort int
discoveryScope string
peers map[string]*Peer
linkLocalAddrs []string
adoptedInterfaces map[string]string
interfaceServers map[string]net.Conn
multicastEchoes map[string]time.Time
mutex sync.RWMutex
outboundConn net.Conn
}
type Peer struct {
ifaceName string
lastHeard time.Time
conn net.PacketConn
}
func NewAutoInterface(name string, config *common.InterfaceConfig) (*AutoInterface, error) {
ai := &AutoInterface{
BaseInterface: BaseInterface{
Name: name,
Mode: common.IF_MODE_FULL,
Type: common.IF_TYPE_AUTO,
Online: false,
Enabled: config.Enabled,
Detached: false,
IN: true,
OUT: false,
MTU: HW_MTU,
Bitrate: BITRATE_GUESS,
},
discoveryPort: DEFAULT_DISCOVERY_PORT,
dataPort: DEFAULT_DATA_PORT,
peers: make(map[string]*Peer),
linkLocalAddrs: make([]string, 0),
adoptedInterfaces: make(map[string]string),
interfaceServers: make(map[string]net.Conn),
multicastEchoes: make(map[string]time.Time),
}
if config.Port != 0 {
ai.discoveryPort = config.Port
}
if config.GroupID != "" {
ai.groupID = []byte(config.GroupID)
} else {
ai.groupID = []byte("reticulum")
}
return ai, nil
}
func (ai *AutoInterface) Start() error {
// TinyGo doesn't support net.Interfaces() or multicast UDP
return fmt.Errorf("AutoInterface not supported in TinyGo - requires interface enumeration and multicast UDP")
}
func (ai *AutoInterface) Send(data []byte, address string) error {
return fmt.Errorf("Send not supported in TinyGo - requires UDP client connections")
}
func (ai *AutoInterface) Stop() error {
ai.Mutex.Lock()
defer ai.Mutex.Unlock()
ai.Online = false
return nil
}

97
pkg/interfaces/interface.go
View File

@@ -1,14 +1,16 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package interfaces
import (
"encoding/binary"
"fmt"
"log"
"net"
"sync"
"time"
"github.com/Sudo-Ivan/reticulum-go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
const (
@@ -26,17 +28,6 @@ const (
TYPE_TCP = 0x02
PROPAGATION_RATE = 0.02 // 2% of interface bandwidth
DEBUG_LEVEL = 4 // Default debug level for interface logging
// Debug levels
DEBUG_CRITICAL = 1
DEBUG_ERROR = 2
DEBUG_INFO = 3
DEBUG_VERBOSE = 4
DEBUG_TRACE = 5
DEBUG_PACKETS = 6
DEBUG_ALL = 7
)
type Interface interface {
@@ -78,8 +69,9 @@ type BaseInterface struct {
TxBytes uint64
RxBytes uint64
lastTx time.Time
lastRx time.Time
mutex sync.RWMutex
Mutex sync.RWMutex
packetCallback common.PacketCallback
}
@@ -96,29 +88,30 @@ func NewBaseInterface(name string, ifType common.InterfaceType, enabled bool) Ba
MTU: common.DEFAULT_MTU,
Bitrate: BITRATE_MINIMUM,
lastTx: time.Now(),
lastRx: time.Now(),
}
}
func (i *BaseInterface) SetPacketCallback(callback common.PacketCallback) {
i.mutex.Lock()
defer i.mutex.Unlock()
i.Mutex.Lock()
defer i.Mutex.Unlock()
i.packetCallback = callback
}
func (i *BaseInterface) GetPacketCallback() common.PacketCallback {
i.mutex.RLock()
defer i.mutex.RUnlock()
i.Mutex.RLock()
defer i.Mutex.RUnlock()
return i.packetCallback
}
func (i *BaseInterface) ProcessIncoming(data []byte) {
i.mutex.Lock()
i.Mutex.Lock()
i.RxBytes += uint64(len(data))
i.mutex.Unlock()
i.Mutex.Unlock()
i.mutex.RLock()
i.Mutex.RLock()
callback := i.packetCallback
i.mutex.RUnlock()
i.Mutex.RUnlock()
if callback != nil {
callback(data, i)
@@ -127,15 +120,15 @@ func (i *BaseInterface) ProcessIncoming(data []byte) {
func (i *BaseInterface) ProcessOutgoing(data []byte) error {
if !i.Online || i.Detached {
log.Printf("[DEBUG-1] Interface %s: Cannot process outgoing packet - interface offline or detached", i.Name)
debug.Log(debug.DEBUG_CRITICAL, "Interface cannot process outgoing packet - interface offline or detached", "name", i.Name)
return fmt.Errorf("interface offline or detached")
}
i.mutex.Lock()
i.Mutex.Lock()
i.TxBytes += uint64(len(data))
i.mutex.Unlock()
i.Mutex.Unlock()
log.Printf("[DEBUG-%d] Interface %s: Processed outgoing packet of %d bytes, total TX: %d", DEBUG_LEVEL, i.Name, len(data), i.TxBytes)
debug.Log(debug.DEBUG_VERBOSE, "Interface processed outgoing packet", "name", i.Name, "bytes", len(data), "total_tx", i.TxBytes)
return nil
}
@@ -145,7 +138,7 @@ func (i *BaseInterface) SendPathRequest(packet []byte) error {
}
frame := make([]byte, 0, len(packet)+1)
frame = append(frame, 0x01)
frame = append(frame, common.HEX_0x01)
frame = append(frame, packet...)
return i.ProcessOutgoing(frame)
@@ -157,7 +150,7 @@ func (i *BaseInterface) SendLinkPacket(dest []byte, data []byte, timestamp time.
}
frame := make([]byte, 0, len(dest)+len(data)+9)
frame = append(frame, 0x02)
frame = append(frame, common.HEX_0x02)
frame = append(frame, dest...)
ts := make([]byte, 8)
@@ -169,35 +162,35 @@ func (i *BaseInterface) SendLinkPacket(dest []byte, data []byte, timestamp time.
}
func (i *BaseInterface) Detach() {
i.mutex.Lock()
defer i.mutex.Unlock()
i.Mutex.Lock()
defer i.Mutex.Unlock()
i.Detached = true
i.Online = false
}
func (i *BaseInterface) IsEnabled() bool {
i.mutex.RLock()
defer i.mutex.RUnlock()
i.Mutex.RLock()
defer i.Mutex.RUnlock()
return i.Enabled && i.Online && !i.Detached
}
func (i *BaseInterface) Enable() {
i.mutex.Lock()
defer i.mutex.Unlock()
i.Mutex.Lock()
defer i.Mutex.Unlock()
prevState := i.Enabled
i.Enabled = true
i.Online = true
log.Printf("[DEBUG-%d] Interface %s: State changed - Enabled: %v->%v, Online: %v->%v", DEBUG_INFO, i.Name, prevState, i.Enabled, !i.Online, i.Online)
debug.Log(debug.DEBUG_INFO, "Interface state changed", "name", i.Name, "enabled_prev", prevState, "enabled", i.Enabled, "online_prev", !i.Online, "online", i.Online)
}
func (i *BaseInterface) Disable() {
i.mutex.Lock()
defer i.mutex.Unlock()
i.Mutex.Lock()
defer i.Mutex.Unlock()
i.Enabled = false
i.Online = false
log.Printf("[DEBUG-2] Interface %s: Disabled and offline", i.Name)
debug.Log(debug.DEBUG_ERROR, "Interface disabled and offline", "name", i.Name)
}
func (i *BaseInterface) GetName() string {
@@ -217,14 +210,14 @@ func (i *BaseInterface) GetMTU() int {
}
func (i *BaseInterface) IsOnline() bool {
i.mutex.RLock()
defer i.mutex.RUnlock()
i.Mutex.RLock()
defer i.Mutex.RUnlock()
return i.Online
}
func (i *BaseInterface) IsDetached() bool {
i.mutex.RLock()
defer i.mutex.RUnlock()
i.Mutex.RLock()
defer i.Mutex.RUnlock()
return i.Detached
}
@@ -237,11 +230,11 @@ func (i *BaseInterface) Stop() error {
}
func (i *BaseInterface) Send(data []byte, address string) error {
log.Printf("[DEBUG-%d] Interface %s: Sending %d bytes to %s", DEBUG_LEVEL, i.Name, len(data), address)
debug.Log(debug.DEBUG_VERBOSE, "Interface sending bytes", "name", i.Name, "bytes", len(data), "address", address)
err := i.ProcessOutgoing(data)
if err != nil {
log.Printf("[DEBUG-1] Interface %s: Failed to send data: %v", i.Name, err)
debug.Log(debug.DEBUG_CRITICAL, "Interface failed to send data", "name", i.Name, "error", err)
return err
}
@@ -254,14 +247,14 @@ func (i *BaseInterface) GetConn() net.Conn {
}
func (i *BaseInterface) GetBandwidthAvailable() bool {
i.mutex.RLock()
defer i.mutex.RUnlock()
i.Mutex.RLock()
defer i.Mutex.RUnlock()
now := time.Now()
timeSinceLastTx := now.Sub(i.lastTx)
if timeSinceLastTx > time.Second {
log.Printf("[DEBUG-%d] Interface %s: Bandwidth available (idle for %.2fs)", DEBUG_VERBOSE, i.Name, timeSinceLastTx.Seconds())
debug.Log(debug.DEBUG_VERBOSE, "Interface bandwidth available", "name", i.Name, "idle_seconds", timeSinceLastTx.Seconds())
return true
}
@@ -270,19 +263,19 @@ func (i *BaseInterface) GetBandwidthAvailable() bool {
maxUsage := float64(i.Bitrate) * PROPAGATION_RATE
available := currentUsage < maxUsage
log.Printf("[DEBUG-%d] Interface %s: Bandwidth stats - Current: %.2f bps, Max: %.2f bps, Usage: %.1f%%, Available: %v", DEBUG_VERBOSE, i.Name, currentUsage, maxUsage, (currentUsage/maxUsage)*100, available)
debug.Log(debug.DEBUG_VERBOSE, "Interface bandwidth stats", "name", i.Name, "current_bps", currentUsage, "max_bps", maxUsage, "usage_percent", (currentUsage/maxUsage)*100, "available", available)
return available
}
func (i *BaseInterface) updateBandwidthStats(bytes uint64) {
i.mutex.Lock()
defer i.mutex.Unlock()
i.Mutex.Lock()
defer i.Mutex.Unlock()
i.TxBytes += bytes
i.lastTx = time.Now()
log.Printf("[DEBUG-%d] Interface %s: Updated bandwidth stats - TX bytes: %d, Last TX: %v", DEBUG_LEVEL, i.Name, i.TxBytes, i.lastTx)
debug.Log(debug.DEBUG_VERBOSE, "Interface updated bandwidth stats", "name", i.Name, "tx_bytes", i.TxBytes, "last_tx", i.lastTx)
}
type InterceptedInterface struct {
@@ -305,7 +298,7 @@ func (i *InterceptedInterface) Send(data []byte, addr string) error {
// Call interceptor if provided
if i.interceptor != nil && len(data) > 0 {
if err := i.interceptor(data, i); err != nil {
log.Printf("[DEBUG-2] Failed to intercept outgoing packet: %v", err)
debug.Log(debug.DEBUG_ERROR, "Failed to intercept outgoing packet", "error", err)
}
}

3
pkg/interfaces/interface_test.go
View File

@@ -7,7 +7,7 @@ import (
"testing"
"time"
"github.com/Sudo-Ivan/reticulum-go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
)
func TestBaseInterfaceStateChanges(t *testing.T) {
@@ -183,7 +183,6 @@ func (m *mockInterface) Send(data []byte, addr string) error {
return nil
}
// Add other methods to satisfy the Interface interface (can be minimal/panic)
func (m *mockInterface) GetType() common.InterfaceType { return common.IF_TYPE_NONE }
func (m *mockInterface) GetMode() common.InterfaceMode { return common.IF_MODE_FULL }
func (m *mockInterface) ProcessIncoming(data []byte) {}

465
pkg/interfaces/tcp.go
View File

@@ -1,14 +1,16 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package interfaces
import (
"fmt"
"log"
"net"
"runtime"
"sync"
"time"
"github.com/Sudo-Ivan/reticulum-go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
const (
@@ -21,14 +23,26 @@ const (
KISS_TFEND = 0xDC
KISS_TFESC = 0xDD
TCP_USER_TIMEOUT = 24
TCP_PROBE_AFTER = 5
TCP_PROBE_INTERVAL = 2
TCP_PROBES = 12
RECONNECT_WAIT = 5
INITIAL_TIMEOUT = 5
INITIAL_BACKOFF = time.Second
MAX_BACKOFF = time.Minute * 5
DEFAULT_MTU = 1064
BITRATE_GUESS_VAL = 10 * 1000 * 1000
RECONNECT_WAIT = 5
INITIAL_TIMEOUT = 5
INITIAL_BACKOFF = time.Second
MAX_BACKOFF = time.Minute * 5
TCP_USER_TIMEOUT_SEC = 24
TCP_PROBE_AFTER_SEC = 5
TCP_PROBE_INTERVAL_SEC = 2
TCP_PROBES_COUNT = 12
TCP_CONNECT_TIMEOUT = 10 * time.Second
TCP_MILLISECONDS = 1000
I2P_USER_TIMEOUT_SEC = 45
I2P_PROBE_AFTER_SEC = 10
I2P_PROBE_INTERVAL_SEC = 9
I2P_PROBES_COUNT = 5
SO_KEEPALIVE_ENABLE = 1
)
type TCPClientInterface struct {
@@ -45,12 +59,8 @@ type TCPClientInterface struct {
maxReconnectTries int
packetBuffer []byte
packetType byte
mutex sync.RWMutex
enabled bool
TxBytes uint64
RxBytes uint64
lastTx time.Time
lastRx time.Time
done chan struct{}
stopOnce sync.Once
}
func NewTCPClientInterface(name string, targetHost string, targetPort int, kissFraming bool, i2pTunneled bool, enabled bool) (*TCPClientInterface, error) {
@@ -61,10 +71,10 @@ func NewTCPClientInterface(name string, targetHost string, targetPort int, kissF
kissFraming: kissFraming,
i2pTunneled: i2pTunneled,
initiator: true,
enabled: enabled,
maxReconnectTries: TCP_PROBES,
maxReconnectTries: RECONNECT_WAIT * TCP_PROBES_COUNT,
packetBuffer: make([]byte, 0),
neverConnected: true,
done: make(chan struct{}),
}
if enabled {
@@ -82,43 +92,81 @@ func NewTCPClientInterface(name string, targetHost string, targetPort int, kissF
}
func (tc *TCPClientInterface) Start() error {
tc.mutex.Lock()
defer tc.mutex.Unlock()
if !tc.Enabled {
return fmt.Errorf("interface not enabled")
tc.Mutex.Lock()
if !tc.Enabled || tc.Detached {
tc.Mutex.Unlock()
return fmt.Errorf("interface not enabled or detached")
}
if tc.conn != nil {
tc.Online = true
go tc.readLoop()
tc.Mutex.Unlock()
return nil
}
// Only recreate done if it's nil or was closed
select {
case <-tc.done:
tc.done = make(chan struct{})
tc.stopOnce = sync.Once{}
default:
if tc.done == nil {
tc.done = make(chan struct{})
tc.stopOnce = sync.Once{}
}
}
tc.Mutex.Unlock()
addr := net.JoinHostPort(tc.targetAddr, fmt.Sprintf("%d", tc.targetPort))
conn, err := net.Dial("tcp", addr)
conn, err := net.DialTimeout("tcp", addr, TCP_CONNECT_TIMEOUT)
if err != nil {
return err
}
tc.Mutex.Lock()
tc.conn = conn
tc.Mutex.Unlock()
// Set platform-specific timeouts
switch runtime.GOOS {
case "linux":
if err := tc.setTimeoutsLinux(); err != nil {
log.Printf("[DEBUG-2] Failed to set Linux TCP timeouts: %v", err)
debug.Log(debug.DEBUG_ERROR, "Failed to set Linux TCP timeouts", "error", err)
}
case "darwin":
if err := tc.setTimeoutsOSX(); err != nil {
log.Printf("[DEBUG-2] Failed to set OSX TCP timeouts: %v", err)
debug.Log(debug.DEBUG_ERROR, "Failed to set OSX TCP timeouts", "error", err)
}
}
tc.Mutex.Lock()
tc.Online = true
tc.Mutex.Unlock()
go tc.readLoop()
return nil
}
func (tc *TCPClientInterface) Stop() error {
tc.Mutex.Lock()
tc.Enabled = false
tc.Online = false
if tc.conn != nil {
_ = tc.conn.Close()
tc.conn = nil
}
tc.Mutex.Unlock()
tc.stopOnce.Do(func() {
if tc.done != nil {
close(tc.done)
}
})
return nil
}
func (tc *TCPClientInterface) readLoop() {
buffer := make([]byte, tc.MTU)
inFrame := false
@@ -126,10 +174,30 @@ func (tc *TCPClientInterface) readLoop() {
dataBuffer := make([]byte, 0)
for {
n, err := tc.conn.Read(buffer)
tc.Mutex.RLock()
conn := tc.conn
done := tc.done
tc.Mutex.RUnlock()
if conn == nil {
return
}
select {
case <-done:
return
default:
}
n, err := conn.Read(buffer)
if err != nil {
tc.Mutex.Lock()
tc.Online = false
if tc.initiator && !tc.Detached {
detached := tc.Detached
initiator := tc.initiator
tc.Mutex.Unlock()
if initiator && !detached {
go tc.reconnect()
} else {
tc.teardown()
@@ -137,7 +205,6 @@ func (tc *TCPClientInterface) readLoop() {
return
}
// Update RX bytes for raw received data
tc.UpdateStats(uint64(n), true) // #nosec G115
for i := 0; i < n; i++ {
@@ -169,46 +236,47 @@ func (tc *TCPClientInterface) readLoop() {
func (tc *TCPClientInterface) handlePacket(data []byte) {
if len(data) < 1 {
log.Printf("[DEBUG-7] Received invalid packet: empty")
debug.Log(debug.DEBUG_ALL, "Received invalid packet: empty")
return
}
tc.mutex.Lock()
tc.Mutex.Lock()
tc.RxBytes += uint64(len(data))
lastRx := time.Now()
tc.lastRx = lastRx
tc.mutex.Unlock()
callback := tc.packetCallback
tc.Mutex.Unlock()
log.Printf("[DEBUG-7] Received packet: type=0x%02x, size=%d bytes", data[0], len(data))
debug.Log(debug.DEBUG_ALL, "Received packet", "type", fmt.Sprintf("0x%02x", data[0]), "size", len(data))
// For RNS packets, call the packet callback directly
if callback := tc.GetPacketCallback(); callback != nil {
log.Printf("[DEBUG-7] Calling packet callback for RNS packet")
if callback != nil {
debug.Log(debug.DEBUG_ALL, "Calling packet callback for RNS packet")
callback(data, tc)
} else {
log.Printf("[DEBUG-7] No packet callback set for TCP interface")
debug.Log(debug.DEBUG_ALL, "No packet callback set for TCP interface")
}
}
// Send implements the interface Send method for TCP interface
func (tc *TCPClientInterface) Send(data []byte, address string) error {
log.Printf("[DEBUG-7] TCP interface %s: Sending %d bytes", tc.Name, len(data))
debug.Log(debug.DEBUG_ALL, "TCP interface sending bytes", "name", tc.Name, "bytes", len(data))
if !tc.IsEnabled() || !tc.IsOnline() {
return fmt.Errorf("TCP interface %s is not online", tc.Name)
}
// For TCP interface, we need to prepend a packet type byte for announce packets
// RNS TCP protocol expects: [packet_type][data]
frame := make([]byte, 0, len(data)+1)
frame = append(frame, 0x01) // Announce packet type
frame = append(frame, data...)
return tc.ProcessOutgoing(frame)
// Send data directly - packet type is already in the first byte of data
// TCP interface uses HDLC framing around the raw packet
return tc.ProcessOutgoing(data)
}
func (tc *TCPClientInterface) ProcessOutgoing(data []byte) error {
if !tc.Online {
tc.Mutex.RLock()
online := tc.Online
tc.Mutex.RUnlock()
if !online {
return fmt.Errorf("interface offline")
}
@@ -220,13 +288,21 @@ func (tc *TCPClientInterface) ProcessOutgoing(data []byte) error {
frame = append([]byte{HDLC_FLAG}, escapeHDLC(data)...)
frame = append(frame, HDLC_FLAG)
// Update TX stats before sending
tc.UpdateStats(uint64(len(frame)), false)
tc.UpdateStats(uint64(len(frame)), false) // #nosec G115
log.Printf("[DEBUG-7] TCP interface %s: Writing %d bytes to network", tc.Name, len(frame))
_, err := tc.conn.Write(frame)
debug.Log(debug.DEBUG_ALL, "TCP interface writing to network", "name", tc.Name, "bytes", len(frame))
tc.Mutex.RLock()
conn := tc.conn
tc.Mutex.RUnlock()
if conn == nil {
return fmt.Errorf("connection closed")
}
_, err := conn.Write(frame)
if err != nil {
log.Printf("[DEBUG-1] TCP interface %s: Write failed: %v", tc.Name, err)
debug.Log(debug.DEBUG_CRITICAL, "TCP interface write failed", "name", tc.Name, "error", err)
}
return err
}
@@ -236,7 +312,7 @@ func (tc *TCPClientInterface) teardown() {
tc.IN = false
tc.OUT = false
if tc.conn != nil {
tc.conn.Close() // #nosec G104
_ = tc.conn.Close()
}
}
@@ -272,9 +348,9 @@ func (tc *TCPClientInterface) SetPacketCallback(cb common.PacketCallback) {
}
func (tc *TCPClientInterface) IsEnabled() bool {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
return tc.enabled && tc.Online && !tc.Detached
tc.Mutex.RLock()
defer tc.Mutex.RUnlock()
return tc.Enabled && tc.Online && !tc.Detached
}
func (tc *TCPClientInterface) GetName() string {
@@ -282,31 +358,31 @@ func (tc *TCPClientInterface) GetName() string {
}
func (tc *TCPClientInterface) GetPacketCallback() common.PacketCallback {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
tc.Mutex.RLock()
defer tc.Mutex.RUnlock()
return tc.packetCallback
}
func (tc *TCPClientInterface) IsDetached() bool {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
tc.Mutex.RLock()
defer tc.Mutex.RUnlock()
return tc.Detached
}
func (tc *TCPClientInterface) IsOnline() bool {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
tc.Mutex.RLock()
defer tc.Mutex.RUnlock()
return tc.Online
}
func (tc *TCPClientInterface) reconnect() {
tc.mutex.Lock()
tc.Mutex.Lock()
if tc.reconnecting {
tc.mutex.Unlock()
tc.Mutex.Unlock()
return
}
tc.reconnecting = true
tc.mutex.Unlock()
tc.Mutex.Unlock()
backoff := time.Second
maxBackoff := time.Minute * 5
@@ -319,21 +395,19 @@ func (tc *TCPClientInterface) reconnect() {
conn, err := net.Dial("tcp", addr)
if err == nil {
tc.mutex.Lock()
tc.Mutex.Lock()
tc.conn = conn
tc.Online = true
tc.neverConnected = false
tc.reconnecting = false
tc.mutex.Unlock()
tc.Mutex.Unlock()
go tc.readLoop()
return
}
// Log reconnection attempt
fmt.Printf("Failed to reconnect to %s (attempt %d/%d): %v\n",
addr, retries+1, tc.maxReconnectTries, err)
debug.Log(debug.DEBUG_VERBOSE, "Failed to reconnect", "target", net.JoinHostPort(tc.targetAddr, fmt.Sprintf("%d", tc.targetPort)), "attempt", retries+1, "maxTries", tc.maxReconnectTries, "error", err)
// Wait with exponential backoff
time.Sleep(backoff)
@@ -347,50 +421,48 @@ func (tc *TCPClientInterface) reconnect() {
retries++
}
tc.mutex.Lock()
tc.Mutex.Lock()
tc.reconnecting = false
tc.mutex.Unlock()
tc.Mutex.Unlock()
// If we've exhausted all retries, perform final teardown
tc.teardown()
fmt.Printf("Failed to reconnect to %s after %d attempts\n",
fmt.Sprintf("%s:%d", tc.targetAddr, tc.targetPort), tc.maxReconnectTries)
debug.Log(debug.DEBUG_ERROR, "Failed to reconnect after all attempts", "target", net.JoinHostPort(tc.targetAddr, fmt.Sprintf("%d", tc.targetPort)), "maxTries", tc.maxReconnectTries)
}
func (tc *TCPClientInterface) Enable() {
tc.mutex.Lock()
defer tc.mutex.Unlock()
tc.Mutex.Lock()
defer tc.Mutex.Unlock()
tc.Online = true
}
func (tc *TCPClientInterface) Disable() {
tc.mutex.Lock()
defer tc.mutex.Unlock()
tc.Mutex.Lock()
defer tc.Mutex.Unlock()
tc.Online = false
}
func (tc *TCPClientInterface) IsConnected() bool {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
tc.Mutex.RLock()
defer tc.Mutex.RUnlock()
return tc.conn != nil && tc.Online && !tc.reconnecting
}
func (tc *TCPClientInterface) GetRTT() time.Duration {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
tc.Mutex.RLock()
defer tc.Mutex.RUnlock()
if !tc.IsConnected() {
return 0
}
if tcpConn, ok := tc.conn.(*net.TCPConn); ok {
var rtt time.Duration = 0
var rtt time.Duration
if runtime.GOOS == "linux" {
if info, err := tcpConn.SyscallConn(); err == nil {
if err := info.Control(func(fd uintptr) { // #nosec G104
rtt = platformGetRTT(fd)
}); err != nil {
log.Printf("[DEBUG-2] Error in SyscallConn Control: %v", err)
debug.Log(debug.DEBUG_ERROR, "Error in SyscallConn Control", "error", err)
}
}
}
@@ -401,84 +473,50 @@ func (tc *TCPClientInterface) GetRTT() time.Duration {
}
func (tc *TCPClientInterface) GetTxBytes() uint64 {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
tc.Mutex.RLock()
defer tc.Mutex.RUnlock()
return tc.TxBytes
}
func (tc *TCPClientInterface) GetRxBytes() uint64 {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
tc.Mutex.RLock()
defer tc.Mutex.RUnlock()
return tc.RxBytes
}
func (tc *TCPClientInterface) UpdateStats(bytes uint64, isRx bool) {
tc.mutex.Lock()
defer tc.mutex.Unlock()
tc.Mutex.Lock()
defer tc.Mutex.Unlock()
now := time.Now()
if isRx {
tc.RxBytes += bytes
tc.lastRx = now
log.Printf("[DEBUG-5] Interface %s RX stats: bytes=%d total=%d last=%v",
tc.Name, bytes, tc.RxBytes, tc.lastRx)
debug.Log(debug.DEBUG_TRACE, "Interface RX stats", "name", tc.Name, "bytes", bytes, "total", tc.RxBytes, "last", tc.lastRx)
} else {
tc.TxBytes += bytes
tc.lastTx = now
log.Printf("[DEBUG-5] Interface %s TX stats: bytes=%d total=%d last=%v",
tc.Name, bytes, tc.TxBytes, tc.lastTx)
debug.Log(debug.DEBUG_TRACE, "Interface TX stats", "name", tc.Name, "bytes", bytes, "total", tc.TxBytes, "last", tc.lastTx)
}
}
func (tc *TCPClientInterface) GetStats() (tx uint64, rx uint64, lastTx time.Time, lastRx time.Time) {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
tc.Mutex.RLock()
defer tc.Mutex.RUnlock()
return tc.TxBytes, tc.RxBytes, tc.lastTx, tc.lastRx
}
func (tc *TCPClientInterface) setTimeoutsLinux() error {
tcpConn, ok := tc.conn.(*net.TCPConn)
if !ok {
return fmt.Errorf("not a TCP connection")
}
if !tc.i2pTunneled {
if err := tcpConn.SetKeepAlive(true); err != nil {
return err
}
if err := tcpConn.SetKeepAlivePeriod(time.Duration(TCP_PROBE_INTERVAL) * time.Second); err != nil {
return err
}
}
return nil
}
func (tc *TCPClientInterface) setTimeoutsOSX() error {
tcpConn, ok := tc.conn.(*net.TCPConn)
if !ok {
return fmt.Errorf("not a TCP connection")
}
if err := tcpConn.SetKeepAlive(true); err != nil {
return err
}
return nil
}
type TCPServerInterface struct {
BaseInterface
connections map[string]net.Conn
mutex sync.RWMutex
bindAddr string
bindPort int
preferIPv6 bool
kissFraming bool
i2pTunneled bool
packetCallback common.PacketCallback
TxBytes uint64
RxBytes uint64
connections map[string]net.Conn
listener net.Listener
bindAddr string
bindPort int
preferIPv6 bool
kissFraming bool
i2pTunneled bool
done chan struct{}
stopOnce sync.Once
}
func NewTCPServerInterface(name string, bindAddr string, bindPort int, kissFraming bool, i2pTunneled bool, preferIPv6 bool) (*TCPServerInterface, error) {
@@ -489,6 +527,7 @@ func NewTCPServerInterface(name string, bindAddr string, bindPort int, kissFrami
Type: common.IF_TYPE_TCP,
Online: false,
MTU: common.DEFAULT_MTU,
Enabled: true,
Detached: false,
},
connections: make(map[string]net.Conn),
@@ -497,6 +536,7 @@ func NewTCPServerInterface(name string, bindAddr string, bindPort int, kissFrami
preferIPv6: preferIPv6,
kissFraming: kissFraming,
i2pTunneled: i2pTunneled,
done: make(chan struct{}),
}
return ts, nil
@@ -515,21 +555,21 @@ func (ts *TCPServerInterface) String() string {
}
func (ts *TCPServerInterface) SetPacketCallback(callback common.PacketCallback) {
ts.mutex.Lock()
defer ts.mutex.Unlock()
ts.Mutex.Lock()
defer ts.Mutex.Unlock()
ts.packetCallback = callback
}
func (ts *TCPServerInterface) GetPacketCallback() common.PacketCallback {
ts.mutex.RLock()
defer ts.mutex.RUnlock()
ts.Mutex.RLock()
defer ts.Mutex.RUnlock()
return ts.packetCallback
}
func (ts *TCPServerInterface) IsEnabled() bool {
ts.mutex.RLock()
defer ts.mutex.RUnlock()
return ts.BaseInterface.Enabled && ts.BaseInterface.Online && !ts.BaseInterface.Detached
ts.Mutex.RLock()
defer ts.Mutex.RUnlock()
return ts.Enabled && ts.Online && !ts.Detached
}
func (ts *TCPServerInterface) GetName() string {
@@ -537,50 +577,81 @@ func (ts *TCPServerInterface) GetName() string {
}
func (ts *TCPServerInterface) IsDetached() bool {
ts.mutex.RLock()
defer ts.mutex.RUnlock()
return ts.BaseInterface.Detached
ts.Mutex.RLock()
defer ts.Mutex.RUnlock()
return ts.Detached
}
func (ts *TCPServerInterface) IsOnline() bool {
ts.mutex.RLock()
defer ts.mutex.RUnlock()
ts.Mutex.RLock()
defer ts.Mutex.RUnlock()
return ts.Online
}
func (ts *TCPServerInterface) Enable() {
ts.mutex.Lock()
defer ts.mutex.Unlock()
ts.Mutex.Lock()
defer ts.Mutex.Unlock()
ts.Online = true
}
func (ts *TCPServerInterface) Disable() {
ts.mutex.Lock()
defer ts.mutex.Unlock()
ts.Mutex.Lock()
defer ts.Mutex.Unlock()
ts.Online = false
}
func (ts *TCPServerInterface) Start() error {
ts.mutex.Lock()
defer ts.mutex.Unlock()
ts.Mutex.Lock()
if ts.listener != nil {
ts.Mutex.Unlock()
return fmt.Errorf("TCP server already started")
}
// Only recreate done if it's nil or was closed
select {
case <-ts.done:
ts.done = make(chan struct{})
ts.stopOnce = sync.Once{}
default:
if ts.done == nil {
ts.done = make(chan struct{})
ts.stopOnce = sync.Once{}
}
}
ts.Mutex.Unlock()
addr := fmt.Sprintf("%s:%d", ts.bindAddr, ts.bindPort)
addr := net.JoinHostPort(ts.bindAddr, fmt.Sprintf("%d", ts.bindPort))
listener, err := net.Listen("tcp", addr)
if err != nil {
return fmt.Errorf("failed to start TCP server: %w", err)
}
ts.Mutex.Lock()
ts.listener = listener
ts.Online = true
ts.Mutex.Unlock()
// Accept connections in a goroutine
go func() {
for {
ts.Mutex.RLock()
done := ts.done
ts.Mutex.RUnlock()
select {
case <-done:
return
default:
}
conn, err := listener.Accept()
if err != nil {
if !ts.Online {
ts.Mutex.RLock()
online := ts.Online
ts.Mutex.RUnlock()
if !online {
return // Normal shutdown
}
log.Printf("[DEBUG-2] Error accepting connection: %v", err)
debug.Log(debug.DEBUG_ERROR, "Error accepting connection", "error", err)
continue
}
@@ -593,60 +664,87 @@ func (ts *TCPServerInterface) Start() error {
}
func (ts *TCPServerInterface) Stop() error {
ts.mutex.Lock()
defer ts.mutex.Unlock()
ts.Mutex.Lock()
ts.Online = false
if ts.listener != nil {
_ = ts.listener.Close()
ts.listener = nil
}
// Close all client connections
for addr, conn := range ts.connections {
_ = conn.Close()
delete(ts.connections, addr)
}
ts.Mutex.Unlock()
ts.stopOnce.Do(func() {
if ts.done != nil {
close(ts.done)
}
})
return nil
}
func (ts *TCPServerInterface) GetTxBytes() uint64 {
ts.mutex.RLock()
defer ts.mutex.RUnlock()
ts.Mutex.RLock()
defer ts.Mutex.RUnlock()
return ts.TxBytes
}
func (ts *TCPServerInterface) GetRxBytes() uint64 {
ts.mutex.RLock()
defer ts.mutex.RUnlock()
ts.Mutex.RLock()
defer ts.Mutex.RUnlock()
return ts.RxBytes
}
func (ts *TCPServerInterface) handleConnection(conn net.Conn) {
addr := conn.RemoteAddr().String()
ts.mutex.Lock()
ts.Mutex.Lock()
ts.connections[addr] = conn
ts.mutex.Unlock()
ts.Mutex.Unlock()
defer func() {
ts.mutex.Lock()
ts.Mutex.Lock()
delete(ts.connections, addr)
ts.mutex.Unlock()
conn.Close() // #nosec G104
ts.Mutex.Unlock()
_ = conn.Close()
}()
buffer := make([]byte, ts.MTU)
for {
ts.Mutex.RLock()
done := ts.done
ts.Mutex.RUnlock()
select {
case <-done:
return
default:
}
n, err := conn.Read(buffer)
if err != nil {
return
}
ts.mutex.Lock()
ts.Mutex.Lock()
ts.RxBytes += uint64(n) // #nosec G115
ts.mutex.Unlock()
callback := ts.packetCallback
ts.Mutex.Unlock()
if ts.packetCallback != nil {
ts.packetCallback(buffer[:n], ts)
if callback != nil {
callback(buffer[:n], ts)
}
}
}
func (ts *TCPServerInterface) ProcessOutgoing(data []byte) error {
ts.mutex.RLock()
defer ts.mutex.RUnlock()
ts.Mutex.RLock()
online := ts.Online
ts.Mutex.RUnlock()
if !ts.Online {
if !online {
return fmt.Errorf("interface offline")
}
@@ -659,12 +757,17 @@ func (ts *TCPServerInterface) ProcessOutgoing(data []byte) error {
frame = append(frame, HDLC_FLAG)
}
ts.TxBytes += uint64(len(frame))
ts.Mutex.Lock()
ts.TxBytes += uint64(len(frame)) // #nosec G115
conns := make([]net.Conn, 0, len(ts.connections))
for _, conn := range ts.connections {
conns = append(conns, conn)
}
ts.Mutex.Unlock()
for _, conn := range conns {
if _, err := conn.Write(frame); err != nil {
log.Printf("[DEBUG-4] Error writing to connection %s: %v",
conn.RemoteAddr(), err)
debug.Log(debug.DEBUG_VERBOSE, "Error writing to connection", "address", conn.RemoteAddr(), "error", err)
}
}

2
pkg/interfaces/tcp_common.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build !linux || tinygo
// +build !linux tinygo

61
pkg/interfaces/tcp_darwin.go Normal file
View File

@@ -0,0 +1,61 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build darwin
// +build darwin
package interfaces
import (
"fmt"
"net"
"syscall"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
func (tc *TCPClientInterface) setTimeoutsLinux() error {
return tc.setTimeoutsOSX()
}
func (tc *TCPClientInterface) setTimeoutsOSX() error {
tcpConn, ok := tc.conn.(*net.TCPConn)
if !ok {
return fmt.Errorf("not a TCP connection")
}
rawConn, err := tcpConn.SyscallConn()
if err != nil {
return fmt.Errorf("failed to get raw connection: %v", err)
}
var sockoptErr error
err = rawConn.Control(func(fd uintptr) {
const TCP_KEEPALIVE = 0x10
var probeAfter int
if tc.i2pTunneled {
probeAfter = I2P_PROBE_AFTER_SEC
} else {
probeAfter = TCP_PROBE_AFTER_SEC
}
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_KEEPALIVE, SO_KEEPALIVE_ENABLE); err != nil {
sockoptErr = fmt.Errorf("failed to enable SO_KEEPALIVE: %v", err)
return
}
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_KEEPALIVE, probeAfter); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to set TCP_KEEPALIVE", "error", err)
}
})
if err != nil {
return fmt.Errorf("control failed: %v", err)
}
if sockoptErr != nil {
return sockoptErr
}
debug.Log(debug.DEBUG_VERBOSE, "TCP keepalive configured (OSX)", "i2p", tc.i2pTunneled)
return nil
}

41
pkg/interfaces/tcp_freebsd.go Normal file
View File

@@ -0,0 +1,41 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build freebsd
// +build freebsd
package interfaces
import (
"fmt"
"net"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
func (tc *TCPClientInterface) setTimeoutsLinux() error {
tcpConn, ok := tc.conn.(*net.TCPConn)
if !ok {
return fmt.Errorf("not a TCP connection")
}
if err := tcpConn.SetKeepAlive(true); err != nil {
return fmt.Errorf("failed to enable keepalive: %v", err)
}
keepalivePeriod := TCP_PROBE_INTERVAL_SEC * time.Second
if tc.i2pTunneled {
keepalivePeriod = I2P_PROBE_INTERVAL_SEC * time.Second
}
if err := tcpConn.SetKeepAlivePeriod(keepalivePeriod); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to set keepalive period", "error", err)
}
debug.Log(debug.DEBUG_VERBOSE, "TCP keepalive configured (FreeBSD)", "i2p", tc.i2pTunneled)
return nil
}
func (tc *TCPClientInterface) setTimeoutsOSX() error {
return tc.setTimeoutsLinux()
}

95
pkg/interfaces/tcp_linux.go
View File

@@ -1,32 +1,111 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build linux && !tinygo
// +build linux,!tinygo
package interfaces
import (
"fmt"
"net"
"syscall"
"time"
"unsafe"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
func (tc *TCPClientInterface) setTimeoutsLinux() error {
tcpConn, ok := tc.conn.(*net.TCPConn)
if !ok {
return fmt.Errorf("not a TCP connection")
}
rawConn, err := tcpConn.SyscallConn()
if err != nil {
return fmt.Errorf("failed to get raw connection: %v", err)
}
var sockoptErr error
err = rawConn.Control(func(fd uintptr) {
var userTimeout, probeAfter, probeInterval, probeCount int
if tc.i2pTunneled {
userTimeout = I2P_USER_TIMEOUT_SEC * TCP_MILLISECONDS
probeAfter = I2P_PROBE_AFTER_SEC
probeInterval = I2P_PROBE_INTERVAL_SEC
probeCount = I2P_PROBES_COUNT
} else {
userTimeout = TCP_USER_TIMEOUT_SEC * TCP_MILLISECONDS
probeAfter = TCP_PROBE_AFTER_SEC
probeInterval = TCP_PROBE_INTERVAL_SEC
probeCount = TCP_PROBES_COUNT
}
const TCP_USER_TIMEOUT = 18
const TCP_KEEPIDLE = 4
const TCP_KEEPINTVL = 5
const TCP_KEEPCNT = 6
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_USER_TIMEOUT, userTimeout); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to set TCP_USER_TIMEOUT", "error", err)
}
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_KEEPALIVE, SO_KEEPALIVE_ENABLE); err != nil {
sockoptErr = fmt.Errorf("failed to enable SO_KEEPALIVE: %v", err)
return
}
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_KEEPIDLE, probeAfter); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to set TCP_KEEPIDLE", "error", err)
}
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_KEEPINTVL, probeInterval); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to set TCP_KEEPINTVL", "error", err)
}
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_KEEPCNT, probeCount); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to set TCP_KEEPCNT", "error", err)
}
})
if err != nil {
return fmt.Errorf("control failed: %v", err)
}
if sockoptErr != nil {
return sockoptErr
}
debug.Log(debug.DEBUG_VERBOSE, "TCP keepalive configured (Linux)", "i2p", tc.i2pTunneled)
return nil
}
func (tc *TCPClientInterface) setTimeoutsOSX() error {
return tc.setTimeoutsLinux()
}
func platformGetRTT(fd uintptr) time.Duration {
var info syscall.TCPInfo
size := uint32(syscall.SizeofTCPInfo)
// bearer:disable go_gosec_unsafe_unsafe
infoLen := uint32(unsafe.Sizeof(info))
_, _, err := syscall.Syscall6(
const TCP_INFO = 11
// #nosec G103
_, _, errno := syscall.Syscall6(
syscall.SYS_GETSOCKOPT,
fd,
syscall.SOL_TCP,
syscall.TCP_INFO,
uintptr(unsafe.Pointer(&info)), // #nosec G103
uintptr(unsafe.Pointer(&size)), // #nosec G103
syscall.IPPROTO_TCP,
TCP_INFO,
// bearer:disable go_gosec_unsafe_unsafe
uintptr(unsafe.Pointer(&info)),
// bearer:disable go_gosec_unsafe_unsafe
uintptr(unsafe.Pointer(&infoLen)),
0,
)
if err != 0 {
if errno != 0 {
return 0
}
// RTT is in microseconds, convert to Duration
return time.Duration(info.Rtt) * time.Microsecond
}

41
pkg/interfaces/tcp_netbsd.go Normal file
View File

@@ -0,0 +1,41 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build netbsd
// +build netbsd
package interfaces
import (
"fmt"
"net"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
func (tc *TCPClientInterface) setTimeoutsLinux() error {
tcpConn, ok := tc.conn.(*net.TCPConn)
if !ok {
return fmt.Errorf("not a TCP connection")
}
if err := tcpConn.SetKeepAlive(true); err != nil {
return fmt.Errorf("failed to enable keepalive: %v", err)
}
keepalivePeriod := TCP_PROBE_INTERVAL_SEC * time.Second
if tc.i2pTunneled {
keepalivePeriod = I2P_PROBE_INTERVAL_SEC * time.Second
}
if err := tcpConn.SetKeepAlivePeriod(keepalivePeriod); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to set keepalive period", "error", err)
}
debug.Log(debug.DEBUG_VERBOSE, "TCP keepalive configured (NetBSD)", "i2p", tc.i2pTunneled)
return nil
}
func (tc *TCPClientInterface) setTimeoutsOSX() error {
return tc.setTimeoutsLinux()
}

41
pkg/interfaces/tcp_openbsd.go Normal file
View File

@@ -0,0 +1,41 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build openbsd
// +build openbsd
package interfaces
import (
"fmt"
"net"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
func (tc *TCPClientInterface) setTimeoutsLinux() error {
tcpConn, ok := tc.conn.(*net.TCPConn)
if !ok {
return fmt.Errorf("not a TCP connection")
}
if err := tcpConn.SetKeepAlive(true); err != nil {
return fmt.Errorf("failed to enable keepalive: %v", err)
}
keepalivePeriod := TCP_PROBE_INTERVAL_SEC * time.Second
if tc.i2pTunneled {
keepalivePeriod = I2P_PROBE_INTERVAL_SEC * time.Second
}
if err := tcpConn.SetKeepAlivePeriod(keepalivePeriod); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to set keepalive period", "error", err)
}
debug.Log(debug.DEBUG_VERBOSE, "TCP keepalive configured (OpenBSD)", "i2p", tc.i2pTunneled)
return nil
}
func (tc *TCPClientInterface) setTimeoutsOSX() error {
return tc.setTimeoutsLinux()
}

14
pkg/interfaces/tcp_wasm.go Normal file
View File

@@ -0,0 +1,14 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build js && wasm
// +build js,wasm
package interfaces
func (tc *TCPClientInterface) setTimeoutsLinux() error {
return nil
}
func (tc *TCPClientInterface) setTimeoutsOSX() error {
return nil
}

42
pkg/interfaces/tcp_windows.go Normal file
View File

@@ -0,0 +1,42 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package interfaces
import (
"fmt"
"net"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
func (tc *TCPClientInterface) setTimeoutsLinux() error {
return tc.setTimeoutsWindows()
}
func (tc *TCPClientInterface) setTimeoutsOSX() error {
return tc.setTimeoutsWindows()
}
func (tc *TCPClientInterface) setTimeoutsWindows() error {
tcpConn, ok := tc.conn.(*net.TCPConn)
if !ok {
return fmt.Errorf("not a TCP connection")
}
if err := tcpConn.SetKeepAlive(true); err != nil {
return fmt.Errorf("failed to enable keepalive: %v", err)
}
keepalivePeriod := TCP_PROBE_INTERVAL_SEC * time.Second
if tc.i2pTunneled {
keepalivePeriod = I2P_PROBE_INTERVAL_SEC * time.Second
}
if err := tcpConn.SetKeepAlivePeriod(keepalivePeriod); err != nil {
debug.Log(debug.DEBUG_VERBOSE, "Failed to set keepalive period", "error", err)
}
debug.Log(debug.DEBUG_VERBOSE, "TCP keepalive configured (Windows)", "i2p", tc.i2pTunneled)
return nil
}

244
pkg/interfaces/udp.go
View File

@@ -1,21 +1,27 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build !tinygo
// +build !tinygo
package interfaces
import (
"fmt"
"log"
"net"
"sync"
"github.com/Sudo-Ivan/reticulum-go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
type UDPInterface struct {
BaseInterface
conn net.Conn
conn *net.UDPConn
addr *net.UDPAddr
targetAddr *net.UDPAddr
mutex sync.RWMutex
readBuffer []byte
done chan struct{}
stopOnce sync.Once
}
func NewUDPInterface(name string, addr string, target string, enabled bool) (*UDPInterface, error) {
@@ -36,66 +42,52 @@ func NewUDPInterface(name string, addr string, target string, enabled bool) (*UD
BaseInterface: NewBaseInterface(name, common.IF_TYPE_UDP, enabled),
addr: udpAddr,
targetAddr: targetAddr,
readBuffer: make([]byte, common.DEFAULT_MTU),
readBuffer: make([]byte, common.NUM_1064),
done: make(chan struct{}),
}
ui.MTU = common.NUM_1064
return ui, nil
}
func (ui *UDPInterface) GetName() string {
return ui.Name
}
func (ui *UDPInterface) GetType() common.InterfaceType {
return ui.Type
}
func (ui *UDPInterface) GetMode() common.InterfaceMode {
return ui.Mode
}
func (ui *UDPInterface) IsOnline() bool {
ui.mutex.RLock()
defer ui.mutex.RUnlock()
return ui.Online
}
func (ui *UDPInterface) IsDetached() bool {
ui.mutex.RLock()
defer ui.mutex.RUnlock()
return ui.Detached
}
func (ui *UDPInterface) Detach() {
ui.mutex.Lock()
defer ui.mutex.Unlock()
ui.Mutex.Lock()
defer ui.Mutex.Unlock()
ui.Detached = true
ui.Online = false
if ui.conn != nil {
ui.conn.Close() // #nosec G104
}
ui.stopOnce.Do(func() {
if ui.done != nil {
close(ui.done)
}
})
}
func (ui *UDPInterface) Send(data []byte, addr string) error {
// TinyGo doesn't support UDP sending
return fmt.Errorf("UDPInterface Send not supported in TinyGo - requires UDP client functionality")
}
debug.Log(debug.DEBUG_ALL, "UDP interface sending bytes", "name", ui.Name, "bytes", len(data))
func (ui *UDPInterface) SetPacketCallback(callback common.PacketCallback) {
ui.mutex.Lock()
defer ui.mutex.Unlock()
ui.packetCallback = callback
}
func (ui *UDPInterface) GetPacketCallback() common.PacketCallback {
ui.mutex.RLock()
defer ui.mutex.RUnlock()
return ui.packetCallback
}
func (ui *UDPInterface) ProcessIncoming(data []byte) {
if callback := ui.GetPacketCallback(); callback != nil {
callback(data, ui)
if !ui.IsEnabled() {
return fmt.Errorf("interface not enabled")
}
if ui.targetAddr == nil {
return fmt.Errorf("no target address configured")
}
ui.Mutex.Lock()
ui.TxBytes += uint64(len(data))
ui.Mutex.Unlock()
_, err := ui.conn.WriteTo(data, ui.targetAddr)
if err != nil {
debug.Log(debug.DEBUG_CRITICAL, "UDP interface write failed", "name", ui.Name, "error", err)
} else {
debug.Log(debug.DEBUG_ALL, "UDP interface sent bytes successfully", "name", ui.Name, "bytes", len(data))
}
return err
}
func (ui *UDPInterface) ProcessOutgoing(data []byte) error {
@@ -108,9 +100,9 @@ func (ui *UDPInterface) ProcessOutgoing(data []byte) error {
return fmt.Errorf("UDP write failed: %v", err)
}
ui.mutex.Lock()
ui.Mutex.Lock()
ui.TxBytes += uint64(len(data))
ui.mutex.Unlock()
ui.Mutex.Unlock()
return nil
}
@@ -119,82 +111,102 @@ func (ui *UDPInterface) GetConn() net.Conn {
return ui.conn
}
func (ui *UDPInterface) GetTxBytes() uint64 {
ui.mutex.RLock()
defer ui.mutex.RUnlock()
return ui.TxBytes
}
func (ui *UDPInterface) GetRxBytes() uint64 {
ui.mutex.RLock()
defer ui.mutex.RUnlock()
return ui.RxBytes
}
func (ui *UDPInterface) GetMTU() int {
return ui.MTU
}
func (ui *UDPInterface) GetBitrate() int {
return int(ui.Bitrate)
}
func (ui *UDPInterface) Enable() {
ui.mutex.Lock()
defer ui.mutex.Unlock()
ui.Online = true
}
func (ui *UDPInterface) Disable() {
ui.mutex.Lock()
defer ui.mutex.Unlock()
ui.Online = false
}
func (ui *UDPInterface) Start() error {
// TinyGo doesn't support UDP servers, only clients
return fmt.Errorf("UDPInterface not supported in TinyGo - UDP server functionality requires net.ListenUDP")
}
func (ui *UDPInterface) readLoop() {
// This method is not used in TinyGo since UDP servers are not supported
buffer := make([]byte, common.DEFAULT_MTU)
for ui.IsOnline() && !ui.IsDetached() {
n, err := ui.conn.Read(buffer)
if err != nil {
if ui.IsOnline() {
log.Printf("Error reading from UDP interface %s: %v", ui.Name, err)
}
return
}
if ui.packetCallback != nil {
ui.packetCallback(buffer[:n], ui)
ui.Mutex.Lock()
if ui.conn != nil {
ui.Mutex.Unlock()
return fmt.Errorf("UDP interface already started")
}
// Only recreate done if it's nil or was closed
select {
case <-ui.done:
ui.done = make(chan struct{})
ui.stopOnce = sync.Once{}
default:
if ui.done == nil {
ui.done = make(chan struct{})
ui.stopOnce = sync.Once{}
}
}
ui.Mutex.Unlock()
conn, err := net.ListenUDP("udp", ui.addr)
if err != nil {
return err
}
ui.conn = conn
// Enable broadcast mode if we have a target address
if ui.targetAddr != nil {
// Get the raw connection file descriptor to set SO_BROADCAST
if err := conn.SetReadBuffer(common.NUM_1064); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to set read buffer size", "error", err)
}
if err := conn.SetWriteBuffer(common.NUM_1064); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to set write buffer size", "error", err)
}
}
ui.Mutex.Lock()
ui.Online = true
ui.Mutex.Unlock()
// Start the read loop in a goroutine
go ui.readLoop()
return nil
}
func (ui *UDPInterface) Stop() error {
ui.Detach()
return nil
}
/*
func (ui *UDPInterface) readLoop() {
buffer := make([]byte, ui.MTU)
buffer := make([]byte, common.NUM_1064)
for {
n, _, err := ui.conn.ReadFromUDP(buffer)
ui.Mutex.RLock()
online := ui.Online
detached := ui.Detached
conn := ui.conn
done := ui.done
ui.Mutex.RUnlock()
if !online || detached || conn == nil {
return
}
select {
case <-done:
return
default:
}
n, remoteAddr, err := conn.ReadFromUDP(buffer)
if err != nil {
if ui.Online {
log.Printf("Error reading from UDP interface %s: %v", ui.Name, err)
ui.Stop() // Consider if stopping is the right action or just log and continue
ui.Mutex.RLock()
stillOnline := ui.Online
ui.Mutex.RUnlock()
if stillOnline {
debug.Log(debug.DEBUG_ERROR, "Error reading from UDP interface", "name", ui.Name, "error", err)
}
return
}
if ui.packetCallback != nil {
ui.packetCallback(buffer[:n], ui)
ui.Mutex.Lock()
// #nosec G115 - Network read sizes are always positive and within safe range
ui.RxBytes += uint64(n)
// Auto-discover target address from first packet if not set
if ui.targetAddr == nil {
debug.Log(debug.DEBUG_ALL, "UDP interface discovered peer", "name", ui.Name, "peer", remoteAddr.String())
ui.targetAddr = remoteAddr
}
callback := ui.packetCallback
ui.Mutex.Unlock()
if callback != nil {
callback(buffer[:n], ui)
}
}
}
*/
func (ui *UDPInterface) IsEnabled() bool {
ui.mutex.RLock()
defer ui.mutex.RUnlock()
return ui.Enabled && ui.Online && !ui.Detached
}

8
pkg/interfaces/udp_test.go
View File

@@ -3,7 +3,7 @@ package interfaces
import (
"testing"
"github.com/Sudo-Ivan/reticulum-go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
)
func TestNewUDPInterface(t *testing.T) {
@@ -25,11 +25,6 @@ func TestNewUDPInterface(t *testing.T) {
if ui.GetType() != common.IF_TYPE_UDP {
t.Errorf("GetType() = %v; want %v", ui.GetType(), common.IF_TYPE_UDP)
}
if ui.addr.String() != validAddr && ui.addr.Port == 0 { // Check if address resolved, port 0 is special
// Allow OS-assigned port if 0 was specified
} else if ui.addr.String() != validAddr {
// t.Errorf("Resolved addr = %s; want %s", ui.addr.String(), validAddr) //This check is flaky with port 0
}
if ui.targetAddr.String() != validTarget {
t.Errorf("Resolved targetAddr = %s; want %s", ui.targetAddr.String(), validTarget)
}
@@ -71,7 +66,6 @@ func TestNewUDPInterface(t *testing.T) {
func TestUDPInterfaceState(t *testing.T) {
// Basic state tests are covered by BaseInterface tests
// Add specific UDP ones if needed, e.g., involving the conn
addr := "127.0.0.1:0"
ui, _ := NewUDPInterface("udpState", addr, "", true)

69
pkg/interfaces/udp_tinygo.go Normal file
View File

@@ -0,0 +1,69 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build tinygo
// +build tinygo
package interfaces
import (
"fmt"
"net"
"sync"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
)
type UDPInterface struct {
BaseInterface
conn net.Conn
addr *net.UDPAddr
targetAddr *net.UDPAddr
readBuffer []byte
done chan struct{}
stopOnce sync.Once
}
func NewUDPInterface(name string, addr string, target string, enabled bool) (*UDPInterface, error) {
udpAddr, err := net.ResolveUDPAddr("udp", addr)
if err != nil {
return nil, err
}
var targetAddr *net.UDPAddr
if target != "" {
targetAddr, err = net.ResolveUDPAddr("udp", target)
if err != nil {
return nil, err
}
}
ui := &UDPInterface{
BaseInterface: NewBaseInterface(name, common.IF_TYPE_UDP, enabled),
addr: udpAddr,
targetAddr: targetAddr,
readBuffer: make([]byte, common.NUM_1064),
done: make(chan struct{}),
}
ui.MTU = common.NUM_1064
return ui, nil
}
func (ui *UDPInterface) Start() error {
// TinyGo doesn't support UDP servers, only clients
return fmt.Errorf("UDPInterface not supported in TinyGo - UDP server functionality requires net.ListenUDP")
}
func (ui *UDPInterface) Send(data []byte, addr string) error {
// TinyGo doesn't support UDP sending
return fmt.Errorf("UDPInterface Send not supported in TinyGo - requires UDP client functionality")
}
func (ui *UDPInterface) Stop() error {
ui.Mutex.Lock()
defer ui.Mutex.Unlock()
ui.Online = false
return nil
}

714
pkg/interfaces/websocket_native.go Normal file
View File

@@ -0,0 +1,714 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build !js
// +build !js
// WebSocketInterface is a native implementation of the WebSocket interface.
// It is used to connect to the WebSocket server and send/receive data.
package interfaces
import (
"bufio"
"crypto/rand"
// bearer:disable go_gosec_blocklist_sha1
"crypto/sha1" // #nosec G505
"crypto/tls"
"encoding/base64"
"encoding/binary"
"fmt"
"io"
"math"
"net"
"net/http"
"net/url"
"strings"
"sync"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
const (
wsGUID = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
WS_BUFFER_SIZE = 4096
WS_MTU = 1064
WS_BITRATE = 10000000
WS_HTTPS_PORT = 443
WS_HTTP_PORT = 80
WS_VERSION = "13"
WS_CONNECT_TIMEOUT = 10 * time.Second
WS_RECONNECT_DELAY = 2 * time.Second
WS_KEY_SIZE = 16
WS_MASK_KEY_SIZE = 4
WS_HEADER_SIZE = 2
WS_PAYLOAD_LEN_16BIT = 126
WS_PAYLOAD_LEN_64BIT = 127
WS_MAX_PAYLOAD_16BIT = 65536
WS_FRAME_HEADER_FIN = 0x80
WS_FRAME_HEADER_OPCODE = 0x0F
WS_FRAME_HEADER_MASKED = 0x80
WS_FRAME_HEADER_LEN = 0x7F
WS_OPCODE_CONTINUATION = 0x00
WS_OPCODE_TEXT = 0x01
WS_OPCODE_BINARY = 0x02
WS_OPCODE_CLOSE = 0x08
WS_OPCODE_PING = 0x09
WS_OPCODE_PONG = 0x0A
)
type WebSocketInterface struct {
BaseInterface
wsURL string
conn net.Conn
reader *bufio.Reader
connected bool
messageQueue [][]byte
readBuffer []byte
writeBuffer []byte
done chan struct{}
stopOnce sync.Once
}
func NewWebSocketInterface(name string, wsURL string, enabled bool) (*WebSocketInterface, error) {
debug.Log(debug.DEBUG_VERBOSE, "NewWebSocketInterface called", "name", name, "url", wsURL, "enabled", enabled)
ws := &WebSocketInterface{
BaseInterface: NewBaseInterface(name, common.IF_TYPE_UDP, enabled),
wsURL: wsURL,
messageQueue: make([][]byte, 0),
readBuffer: make([]byte, WS_BUFFER_SIZE),
writeBuffer: make([]byte, WS_BUFFER_SIZE),
done: make(chan struct{}),
}
ws.MTU = WS_MTU
ws.Bitrate = WS_BITRATE
debug.Log(debug.DEBUG_VERBOSE, "WebSocket interface initialized", "name", name, "mtu", ws.MTU, "bitrate", ws.Bitrate)
return ws, nil
}
func (wsi *WebSocketInterface) GetName() string {
return wsi.Name
}
func (wsi *WebSocketInterface) GetType() common.InterfaceType {
return wsi.Type
}
func (wsi *WebSocketInterface) GetMode() common.InterfaceMode {
return wsi.Mode
}
func (wsi *WebSocketInterface) IsOnline() bool {
wsi.Mutex.RLock()
defer wsi.Mutex.RUnlock()
return wsi.Online && wsi.connected
}
func (wsi *WebSocketInterface) IsDetached() bool {
wsi.Mutex.RLock()
defer wsi.Mutex.RUnlock()
return wsi.Detached
}
func (wsi *WebSocketInterface) Detach() {
wsi.Mutex.Lock()
defer wsi.Mutex.Unlock()
wsi.Detached = true
wsi.Online = false
wsi.closeWebSocketLocked()
}
func (wsi *WebSocketInterface) Enable() {
wsi.Mutex.Lock()
defer wsi.Mutex.Unlock()
wsi.Enabled = true
wsi.Online = true
}
func (wsi *WebSocketInterface) Disable() {
wsi.Mutex.Lock()
defer wsi.Mutex.Unlock()
wsi.Enabled = false
wsi.closeWebSocketLocked()
}
func (wsi *WebSocketInterface) Start() error {
wsi.Mutex.Lock()
if !wsi.Enabled || wsi.Detached {
wsi.Mutex.Unlock()
debug.Log(debug.DEBUG_INFO, "WebSocket interface not enabled or detached", "name", wsi.Name)
return fmt.Errorf("interface not enabled or detached")
}
if wsi.conn != nil {
wsi.Mutex.Unlock()
debug.Log(debug.DEBUG_INFO, "WebSocket already started", "name", wsi.Name)
return fmt.Errorf("WebSocket already started")
}
// Only recreate done if it's nil or was closed
select {
case <-wsi.done:
wsi.done = make(chan struct{})
wsi.stopOnce = sync.Once{}
default:
if wsi.done == nil {
wsi.done = make(chan struct{})
wsi.stopOnce = sync.Once{}
}
}
wsi.Mutex.Unlock()
debug.Log(debug.DEBUG_INFO, "Starting WebSocket connection", "name", wsi.Name, "url", wsi.wsURL)
u, err := url.Parse(wsi.wsURL)
if err != nil {
debug.Log(debug.DEBUG_ERROR, "Invalid WebSocket URL", "name", wsi.Name, "url", wsi.wsURL, "error", err)
return fmt.Errorf("invalid WebSocket URL: %v", err)
}
var conn net.Conn
var host string
if u.Scheme == "wss" {
host = u.Host
if !strings.Contains(host, ":") {
host += fmt.Sprintf(":%d", WS_HTTPS_PORT)
}
tcpConn, err := net.DialTimeout("tcp", host, WS_CONNECT_TIMEOUT)
if err != nil {
return fmt.Errorf("failed to connect: %v", err)
}
tlsConn := tls.Client(tcpConn, &tls.Config{
ServerName: u.Hostname(),
InsecureSkipVerify: false,
MinVersion: tls.VersionTLS12,
})
if err := tlsConn.Handshake(); err != nil {
_ = tcpConn.Close()
debug.Log(debug.DEBUG_ERROR, "TLS handshake failed", "name", wsi.Name, "host", host, "error", err)
return fmt.Errorf("TLS handshake failed: %v", err)
}
conn = tlsConn
} else if u.Scheme == "ws" {
host = u.Host
if !strings.Contains(host, ":") {
host += fmt.Sprintf(":%d", WS_HTTP_PORT)
}
debug.Log(debug.DEBUG_VERBOSE, "Connecting to WebSocket server", "name", wsi.Name, "host", host)
tcpConn, err := net.DialTimeout("tcp", host, WS_CONNECT_TIMEOUT)
if err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to connect to WebSocket server", "name", wsi.Name, "host", host, "error", err)
return fmt.Errorf("failed to connect: %v", err)
}
conn = tcpConn
} else {
debug.Log(debug.DEBUG_ERROR, "Unsupported WebSocket scheme", "name", wsi.Name, "scheme", u.Scheme)
return fmt.Errorf("unsupported scheme: %s (use ws:// or wss://)", u.Scheme)
}
key, err := generateWebSocketKey()
if err != nil {
_ = conn.Close()
return fmt.Errorf("failed to generate key: %v", err)
}
path := u.Path
if path == "" {
path = "/"
}
if u.RawQuery != "" {
path += "?" + u.RawQuery
}
req, err := http.NewRequest("GET", path, nil)
if err != nil {
_ = conn.Close()
return fmt.Errorf("failed to create request: %v", err)
}
req.Host = u.Host
req.Header.Set("Upgrade", "websocket")
req.Header.Set("Connection", "Upgrade")
req.Header.Set("Sec-WebSocket-Key", key)
req.Header.Set("Sec-WebSocket-Version", WS_VERSION)
req.Header.Set("User-Agent", "Reticulum-Go/1.0")
if err := req.Write(conn); err != nil {
_ = conn.Close()
return fmt.Errorf("failed to send handshake: %v", err)
}
resp, err := http.ReadResponse(bufio.NewReader(conn), req)
if err != nil {
_ = conn.Close()
return fmt.Errorf("failed to read handshake response: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusSwitchingProtocols {
_ = conn.Close()
debug.Log(debug.DEBUG_ERROR, "WebSocket handshake failed", "name", wsi.Name, "status", resp.StatusCode)
return fmt.Errorf("handshake failed: status %d", resp.StatusCode)
}
if strings.ToLower(resp.Header.Get("Upgrade")) != "websocket" {
_ = conn.Close()
return fmt.Errorf("invalid upgrade header")
}
accept := resp.Header.Get("Sec-WebSocket-Accept")
expectedAccept := computeAcceptKey(key)
if accept != expectedAccept {
_ = conn.Close()
return fmt.Errorf("invalid accept key")
}
wsi.Mutex.Lock()
wsi.conn = conn
wsi.reader = bufio.NewReader(conn)
wsi.connected = true
wsi.Online = true
debug.Log(debug.DEBUG_INFO, "WebSocket connected", "name", wsi.Name, "url", wsi.wsURL)
queue := make([][]byte, len(wsi.messageQueue))
copy(queue, wsi.messageQueue)
wsi.messageQueue = wsi.messageQueue[:0]
wsi.Mutex.Unlock() // Unlock after copying queue, before I/O
for _, msg := range queue {
_ = wsi.sendWebSocketMessage(msg)
}
go wsi.readLoop()
return nil
}
func (wsi *WebSocketInterface) Stop() error {
wsi.Mutex.Lock()
defer wsi.Mutex.Unlock()
wsi.Enabled = false
wsi.Online = false
wsi.stopOnce.Do(func() {
if wsi.done != nil {
close(wsi.done)
}
})
wsi.closeWebSocketLocked()
return nil
}
func (wsi *WebSocketInterface) closeWebSocket() {
wsi.Mutex.Lock()
defer wsi.Mutex.Unlock()
wsi.closeWebSocketLocked()
}
func (wsi *WebSocketInterface) closeWebSocketLocked() {
if wsi.conn != nil {
wsi.sendCloseFrameLocked()
_ = wsi.conn.Close()
wsi.conn = nil
wsi.reader = nil
}
wsi.connected = false
wsi.Online = false
}
func (wsi *WebSocketInterface) readLoop() {
for {
wsi.Mutex.RLock()
conn := wsi.conn
reader := wsi.reader
done := wsi.done
wsi.Mutex.RUnlock()
if conn == nil || reader == nil {
return
}
select {
case <-done:
return
default:
}
data, err := wsi.readFrame()
if err != nil {
wsi.Mutex.Lock()
wsi.connected = false
wsi.Online = false
if wsi.conn != nil {
_ = wsi.conn.Close()
wsi.conn = nil
wsi.reader = nil
}
wsi.Mutex.Unlock()
debug.Log(debug.DEBUG_INFO, "WebSocket closed", "name", wsi.Name, "error", err)
time.Sleep(WS_RECONNECT_DELAY)
wsi.Mutex.RLock()
stillEnabled := wsi.Enabled && !wsi.Detached
wsi.Mutex.RUnlock()
if stillEnabled {
go wsi.Start()
}
return
}
if len(data) > 0 {
wsi.Mutex.Lock()
wsi.RxBytes += uint64(len(data))
wsi.Mutex.Unlock()
wsi.ProcessIncoming(data)
}
}
}
func (wsi *WebSocketInterface) readFrame() ([]byte, error) {
wsi.Mutex.RLock()
reader := wsi.reader
wsi.Mutex.RUnlock()
if reader == nil {
return nil, io.EOF
}
header := make([]byte, WS_HEADER_SIZE)
if _, err := io.ReadFull(reader, header); err != nil {
return nil, err
}
fin := (header[0] & WS_FRAME_HEADER_FIN) != 0
opcode := header[0] & WS_FRAME_HEADER_OPCODE
masked := (header[1] & WS_FRAME_HEADER_MASKED) != 0
payloadLen := int(header[1] & WS_FRAME_HEADER_LEN)
if opcode == WS_OPCODE_CLOSE {
return nil, io.EOF
}
if opcode == WS_OPCODE_PING {
return wsi.handlePingFrame(reader, payloadLen, masked)
}
if opcode == WS_OPCODE_PONG {
return wsi.handlePongFrame(reader, payloadLen, masked)
}
if opcode != WS_OPCODE_BINARY {
return nil, fmt.Errorf("unsupported opcode: %d", opcode)
}
if payloadLen == WS_PAYLOAD_LEN_16BIT {
lenBytes := make([]byte, 2)
if _, err := io.ReadFull(reader, lenBytes); err != nil {
return nil, err
}
payloadLen = int(binary.BigEndian.Uint16(lenBytes))
} else if payloadLen == WS_PAYLOAD_LEN_64BIT {
lenBytes := make([]byte, 8)
if _, err := io.ReadFull(reader, lenBytes); err != nil {
return nil, err
}
val := binary.BigEndian.Uint64(lenBytes)
if val > uint64(math.MaxInt) {
return nil, fmt.Errorf("payload length exceeds maximum integer value")
}
payloadLen = int(val) // #nosec G115
}
maskKey := make([]byte, WS_MASK_KEY_SIZE)
if masked {
if _, err := io.ReadFull(reader, maskKey); err != nil {
return nil, err
}
}
payload := make([]byte, payloadLen)
if _, err := io.ReadFull(reader, payload); err != nil {
return nil, err
}
if masked {
for i := 0; i < payloadLen; i++ {
payload[i] ^= maskKey[i%WS_MASK_KEY_SIZE]
}
}
if !fin {
nextFrame, err := wsi.readFrame()
if err != nil {
return nil, err
}
return append(payload, nextFrame...), nil
}
return payload, nil
}
func (wsi *WebSocketInterface) Send(data []byte, addr string) error {
wsi.Mutex.RLock()
enabled := wsi.Enabled
detached := wsi.Detached
connected := wsi.connected
wsi.Mutex.RUnlock()
if !enabled || detached {
debug.Log(debug.DEBUG_VERBOSE, "WebSocket interface not enabled or detached, dropping packet", "name", wsi.Name, "bytes", len(data))
return fmt.Errorf("interface not enabled")
}
wsi.Mutex.Lock()
wsi.TxBytes += uint64(len(data))
wsi.Mutex.Unlock()
if !connected {
debug.Log(debug.DEBUG_VERBOSE, "WebSocket not connected, queuing packet", "name", wsi.Name, "bytes", len(data), "queue_size", len(wsi.messageQueue))
wsi.Mutex.Lock()
wsi.messageQueue = append(wsi.messageQueue, data)
wsi.Mutex.Unlock()
return nil
}
packetType := "unknown"
if len(data) > 0 {
switch data[0] {
case 0x01:
packetType = "announce"
case 0x02:
packetType = "link"
default:
packetType = fmt.Sprintf("0x%02x", data[0])
}
}
debug.Log(debug.DEBUG_INFO, "Sending packet over WebSocket", "name", wsi.Name, "bytes", len(data), "packet_type", packetType)
return wsi.sendWebSocketMessage(data)
}
func (wsi *WebSocketInterface) sendWebSocketMessage(data []byte) error {
wsi.Mutex.RLock()
conn := wsi.conn
wsi.Mutex.RUnlock()
if conn == nil {
return fmt.Errorf("WebSocket not initialized")
}
frame := wsi.createFrame(data, WS_OPCODE_BINARY, true)
wsi.Mutex.Lock()
_, err := conn.Write(frame)
wsi.Mutex.Unlock()
if err != nil {
return fmt.Errorf("failed to send: %v", err)
}
debug.Log(debug.DEBUG_INFO, "WebSocket sent packet successfully", "name", wsi.Name, "bytes", len(data), "frame_bytes", len(frame))
return nil
}
func (wsi *WebSocketInterface) sendCloseFrame() {
wsi.Mutex.RLock()
defer wsi.Mutex.RUnlock()
wsi.sendCloseFrameLocked()
}
func (wsi *WebSocketInterface) sendCloseFrameLocked() {
conn := wsi.conn
if conn == nil {
return
}
frame := wsi.createFrame(nil, WS_OPCODE_CLOSE, true)
_, _ = conn.Write(frame)
}
func (wsi *WebSocketInterface) handlePingFrame(reader *bufio.Reader, payloadLen int, masked bool) ([]byte, error) {
if payloadLen == WS_PAYLOAD_LEN_16BIT {
lenBytes := make([]byte, 2)
if _, err := io.ReadFull(reader, lenBytes); err != nil {
return nil, err
}
payloadLen = int(binary.BigEndian.Uint16(lenBytes))
} else if payloadLen == WS_PAYLOAD_LEN_64BIT {
lenBytes := make([]byte, 8)
if _, err := io.ReadFull(reader, lenBytes); err != nil {
return nil, err
}
val := binary.BigEndian.Uint64(lenBytes)
if val > uint64(math.MaxInt) {
return nil, fmt.Errorf("payload length exceeds maximum integer value")
}
payloadLen = int(val) // #nosec G115
}
maskKey := make([]byte, WS_MASK_KEY_SIZE)
if masked {
if _, err := io.ReadFull(reader, maskKey); err != nil {
return nil, err
}
}
payload := make([]byte, payloadLen)
if payloadLen > 0 {
if _, err := io.ReadFull(reader, payload); err != nil {
return nil, err
}
if masked {
for i := 0; i < payloadLen; i++ {
payload[i] ^= maskKey[i%WS_MASK_KEY_SIZE]
}
}
}
wsi.sendPongFrame(payload)
return nil, nil
}
func (wsi *WebSocketInterface) handlePongFrame(reader *bufio.Reader, payloadLen int, masked bool) ([]byte, error) {
if payloadLen == WS_PAYLOAD_LEN_16BIT {
lenBytes := make([]byte, 2)
if _, err := io.ReadFull(reader, lenBytes); err != nil {
return nil, err
}
payloadLen = int(binary.BigEndian.Uint16(lenBytes))
} else if payloadLen == WS_PAYLOAD_LEN_64BIT {
lenBytes := make([]byte, 8)
if _, err := io.ReadFull(reader, lenBytes); err != nil {
return nil, err
}
val := binary.BigEndian.Uint64(lenBytes)
if val > uint64(math.MaxInt) {
return nil, fmt.Errorf("payload length exceeds maximum integer value")
}
payloadLen = int(val) // #nosec G115
}
maskKey := make([]byte, WS_MASK_KEY_SIZE)
if masked {
if _, err := io.ReadFull(reader, maskKey); err != nil {
return nil, err
}
}
if payloadLen > 0 {
payload := make([]byte, payloadLen)
if _, err := io.ReadFull(reader, payload); err != nil {
return nil, err
}
}
return nil, nil
}
func (wsi *WebSocketInterface) sendPongFrame(data []byte) {
wsi.Mutex.RLock()
conn := wsi.conn
wsi.Mutex.RUnlock()
if conn == nil {
return
}
frame := wsi.createFrame(data, WS_OPCODE_PONG, true)
wsi.Mutex.Lock()
_, _ = conn.Write(frame)
wsi.Mutex.Unlock()
}
func (wsi *WebSocketInterface) createFrame(data []byte, opcode byte, fin bool) []byte {
payloadLen := len(data)
frame := make([]byte, WS_HEADER_SIZE)
if fin {
frame[0] |= WS_FRAME_HEADER_FIN
}
frame[0] |= opcode
if payloadLen < WS_PAYLOAD_LEN_16BIT {
frame[1] = byte(payloadLen)
frame = append(frame, data...)
} else if payloadLen < WS_MAX_PAYLOAD_16BIT {
frame[1] = WS_PAYLOAD_LEN_16BIT // #nosec G602
lenBytes := make([]byte, 2)
binary.BigEndian.PutUint16(lenBytes, uint16(payloadLen)) // #nosec G115
frame = append(frame, lenBytes...)
frame = append(frame, data...)
} else {
frame[1] = WS_PAYLOAD_LEN_64BIT // #nosec G602
lenBytes := make([]byte, 8)
binary.BigEndian.PutUint64(lenBytes, uint64(payloadLen)) // #nosec G115
frame = append(frame, lenBytes...)
frame = append(frame, data...)
}
return frame
}
func (wsi *WebSocketInterface) ProcessOutgoing(data []byte) error {
return wsi.Send(data, "")
}
func (wsi *WebSocketInterface) GetConn() net.Conn {
wsi.Mutex.RLock()
defer wsi.Mutex.RUnlock()
return wsi.conn
}
func (wsi *WebSocketInterface) GetMTU() int {
return wsi.MTU
}
func (wsi *WebSocketInterface) IsEnabled() bool {
wsi.Mutex.RLock()
defer wsi.Mutex.RUnlock()
return wsi.Enabled && wsi.Online && !wsi.Detached
}
func (wsi *WebSocketInterface) SendPathRequest(packet []byte) error {
return wsi.Send(packet, "")
}
func (wsi *WebSocketInterface) SendLinkPacket(dest []byte, data []byte, timestamp time.Time) error {
frame := make([]byte, 0, len(dest)+len(data)+9)
frame = append(frame, WS_OPCODE_BINARY)
frame = append(frame, dest...)
ts := make([]byte, 8)
binary.BigEndian.PutUint64(ts, uint64(timestamp.Unix())) // #nosec G115
frame = append(frame, ts...)
frame = append(frame, data...)
return wsi.Send(frame, "")
}
func (wsi *WebSocketInterface) GetBandwidthAvailable() bool {
return wsi.BaseInterface.GetBandwidthAvailable()
}
func generateWebSocketKey() (string, error) {
key := make([]byte, WS_KEY_SIZE)
if _, err := rand.Read(key); err != nil {
return "", err
}
return base64.StdEncoding.EncodeToString(key), nil
}
func computeAcceptKey(key string) string {
// bearer:disable go_gosec_crypto_weak_crypto
h := sha1.New() // #nosec G401
h.Write([]byte(key))
h.Write([]byte(wsGUID))
// bearer:disable go_lang_weak_hash_sha1
return base64.StdEncoding.EncodeToString(h.Sum(nil))
}

280
pkg/interfaces/websocket_native_test.go Normal file
View File

@@ -0,0 +1,280 @@
package interfaces
import (
"testing"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
)
func TestWebSocketGUID(t *testing.T) {
if wsGUID != "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" {
t.Errorf("wsGUID mismatch: expected RFC 6455 GUID, got %s", wsGUID)
}
}
func TestGenerateWebSocketKey(t *testing.T) {
key1, err := generateWebSocketKey()
if err != nil {
t.Fatalf("Failed to generate key: %v", err)
}
key2, err := generateWebSocketKey()
if err != nil {
t.Fatalf("Failed to generate key: %v", err)
}
if key1 == key2 {
t.Error("Generated keys should be unique")
}
if len(key1) != 24 {
t.Errorf("Expected base64-encoded key length 24, got %d", len(key1))
}
}
func TestComputeAcceptKey(t *testing.T) {
testKey := "dGhlIHNhbXBsZSBub25jZQ=="
expectedAccept := "s3pPLMBiTxaQ9kYGzzhZRbK+xOo="
accept := computeAcceptKey(testKey)
if accept != expectedAccept {
t.Errorf("Accept key mismatch: expected %s, got %s", expectedAccept, accept)
}
}
func TestNewWebSocketInterface(t *testing.T) {
ws, err := NewWebSocketInterface("test", "wss://socket.quad4.io/ws", true)
if err != nil {
t.Fatalf("Failed to create WebSocket interface: %v", err)
}
if ws.GetName() != "test" {
t.Errorf("Expected name 'test', got %s", ws.GetName())
}
if ws.GetType() != common.IF_TYPE_UDP {
t.Errorf("Expected type IF_TYPE_UDP, got %v", ws.GetType())
}
if ws.GetMTU() != 1064 {
t.Errorf("Expected MTU 1064, got %d", ws.GetMTU())
}
if ws.IsOnline() {
t.Error("Interface should not be online before Start()")
}
}
func TestWebSocketConnection(t *testing.T) {
if testing.Short() {
t.Skip("Skipping network test in short mode")
}
ws, err := NewWebSocketInterface("test", "wss://socket.quad4.io/ws", true)
if err != nil {
t.Fatalf("Failed to create WebSocket interface: %v", err)
}
ws.SetPacketCallback(func(data []byte, ni common.NetworkInterface) {
t.Logf("Received packet: %d bytes", len(data))
})
err = ws.Start()
if err != nil {
t.Fatalf("Failed to start WebSocket: %v", err)
}
time.Sleep(2 * time.Second)
if !ws.IsOnline() {
t.Error("WebSocket should be online after Start()")
}
testData := []byte{0x01, 0x02, 0x03, 0x04}
err = ws.Send(testData, "")
if err != nil {
t.Errorf("Failed to send data: %v", err)
}
time.Sleep(1 * time.Second)
if err := ws.Stop(); err != nil {
t.Errorf("Failed to stop WebSocket: %v", err)
}
time.Sleep(500 * time.Millisecond)
if ws.IsOnline() {
t.Error("WebSocket should be offline after Stop()")
}
}
func TestWebSocketReconnection(t *testing.T) {
if testing.Short() {
t.Skip("Skipping network test in short mode")
}
ws, err := NewWebSocketInterface("test", "wss://socket.quad4.io/ws", true)
if err != nil {
t.Fatalf("Failed to create WebSocket interface: %v", err)
}
err = ws.Start()
if err != nil {
t.Fatalf("Failed to start WebSocket: %v", err)
}
time.Sleep(1 * time.Second)
if !ws.IsOnline() {
t.Error("WebSocket should be online")
}
conn := ws.GetConn()
if conn == nil {
t.Error("GetConn() should return a connection")
}
conn.Close()
time.Sleep(3 * time.Second)
if ws.IsOnline() {
t.Log("WebSocket reconnected successfully")
}
if err := ws.Stop(); err != nil {
t.Errorf("Failed to stop WebSocket: %v", err)
}
time.Sleep(500 * time.Millisecond)
}
func TestWebSocketMessageQueue(t *testing.T) {
ws, err := NewWebSocketInterface("test", "wss://socket.quad4.io/ws", true)
if err != nil {
t.Fatalf("Failed to create WebSocket interface: %v", err)
}
ws.Enable()
testData := []byte{0x01, 0x02, 0x03}
err = ws.Send(testData, "")
if err != nil {
t.Errorf("Send should queue message when offline, got error: %v", err)
}
if testing.Short() {
return
}
err = ws.Start()
if err != nil {
t.Fatalf("Failed to start WebSocket: %v", err)
}
// Wait for interface to be online (up to 10 seconds)
for i := 0; i < 100; i++ {
if ws.IsOnline() {
break
}
time.Sleep(100 * time.Millisecond)
}
if !ws.IsOnline() {
t.Error("WebSocket should be online")
}
time.Sleep(2 * time.Second)
if err := ws.Stop(); err != nil {
t.Errorf("Failed to stop WebSocket: %v", err)
}
time.Sleep(500 * time.Millisecond)
}
func TestWebSocketFrameEncoding(t *testing.T) {
if testing.Short() {
t.Skip("Skipping frame encoding test in short mode")
}
ws, err := NewWebSocketInterface("test", "wss://socket.quad4.io/ws", true)
if err != nil {
t.Fatalf("Failed to create WebSocket interface: %v", err)
}
err = ws.Start()
if err != nil {
t.Fatalf("Failed to start WebSocket: %v", err)
}
time.Sleep(1 * time.Second)
testCases := []struct {
name string
data []byte
}{
{"small frame", []byte{0x01, 0x02, 0x03}},
{"medium frame", make([]byte, 200)},
{"large frame", make([]byte, 1000)},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
err := ws.Send(tc.data, "")
if err != nil {
t.Errorf("Failed to send %s: %v", tc.name, err)
}
time.Sleep(100 * time.Millisecond)
})
}
if err := ws.Stop(); err != nil {
t.Errorf("Failed to stop WebSocket: %v", err)
}
time.Sleep(500 * time.Millisecond)
}
func TestWebSocketEnableDisable(t *testing.T) {
ws, err := NewWebSocketInterface("test", "wss://socket.quad4.io/ws", false)
if err != nil {
t.Fatalf("Failed to create WebSocket interface: %v", err)
}
if ws.IsEnabled() {
t.Error("Interface should not be enabled initially")
}
ws.Enable()
if !ws.IsEnabled() {
t.Error("Interface should be enabled after Enable()")
}
ws.Disable()
if ws.IsEnabled() {
t.Error("Interface should not be enabled after Disable()")
}
}
func TestWebSocketDetach(t *testing.T) {
ws, err := NewWebSocketInterface("test", "wss://socket.quad4.io/ws", true)
if err != nil {
t.Fatalf("Failed to create WebSocket interface: %v", err)
}
if ws.IsDetached() {
t.Error("Interface should not be detached initially")
}
ws.Detach()
if !ws.IsDetached() {
t.Error("Interface should be detached after Detach()")
}
if ws.IsOnline() {
t.Error("Interface should be offline after Detach()")
}
}

253
pkg/interfaces/websocket_wasm.go Normal file
View File

@@ -0,0 +1,253 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build js && wasm
// +build js,wasm
package interfaces
import (
"fmt"
"net"
"syscall/js"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
)
const (
WS_MTU = 1064
WS_BITRATE = 10000000
WS_RECONNECT_DELAY = 2 * time.Second
)
type WebSocketInterface struct {
BaseInterface
wsURL string
ws js.Value
connected bool
messageQueue [][]byte
}
func NewWebSocketInterface(name string, wsURL string, enabled bool) (*WebSocketInterface, error) {
ws := &WebSocketInterface{
BaseInterface: NewBaseInterface(name, common.IF_TYPE_UDP, enabled),
wsURL: wsURL,
messageQueue: make([][]byte, 0),
}
ws.MTU = WS_MTU
ws.Bitrate = WS_BITRATE
return ws, nil
}
func (wsi *WebSocketInterface) GetName() string {
return wsi.Name
}
func (wsi *WebSocketInterface) GetType() common.InterfaceType {
return wsi.Type
}
func (wsi *WebSocketInterface) GetMode() common.InterfaceMode {
return wsi.Mode
}
func (wsi *WebSocketInterface) IsOnline() bool {
wsi.Mutex.RLock()
defer wsi.Mutex.RUnlock()
return wsi.Online && wsi.connected
}
func (wsi *WebSocketInterface) IsDetached() bool {
wsi.Mutex.RLock()
defer wsi.Mutex.RUnlock()
return wsi.Detached
}
func (wsi *WebSocketInterface) Detach() {
wsi.Mutex.Lock()
defer wsi.Mutex.Unlock()
wsi.Detached = true
wsi.Online = false
wsi.closeWebSocket()
}
func (wsi *WebSocketInterface) Enable() {
wsi.Mutex.Lock()
defer wsi.Mutex.Unlock()
wsi.Enabled = true
}
func (wsi *WebSocketInterface) Disable() {
wsi.Mutex.Lock()
defer wsi.Mutex.Unlock()
wsi.Enabled = false
wsi.closeWebSocket()
}
func (wsi *WebSocketInterface) Start() error {
wsi.Mutex.Lock()
defer wsi.Mutex.Unlock()
if wsi.ws.Truthy() {
return fmt.Errorf("WebSocket already started")
}
ws := js.Global().Get("WebSocket").New(wsi.wsURL)
ws.Set("binaryType", "arraybuffer")
ws.Set("onopen", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
wsi.Mutex.Lock()
wsi.connected = true
wsi.Online = true
wsi.Mutex.Unlock()
debug.Log(debug.DEBUG_INFO, "WebSocket connected", "name", wsi.Name, "url", wsi.wsURL)
wsi.Mutex.Lock()
queue := make([][]byte, len(wsi.messageQueue))
copy(queue, wsi.messageQueue)
wsi.messageQueue = wsi.messageQueue[:0]
wsi.Mutex.Unlock()
for _, msg := range queue {
wsi.sendWebSocketMessage(msg)
}
return nil
}))
ws.Set("onmessage", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
if len(args) < 1 {
return nil
}
event := args[0]
data := event.Get("data")
var packet []byte
if data.Type() == js.TypeString {
packet = []byte(data.String())
} else if data.Type() == js.TypeObject {
array := js.Global().Get("Uint8Array").New(data)
length := array.Get("length").Int()
packet = make([]byte, length)
js.CopyBytesToGo(packet, array)
} else {
debug.Log(debug.DEBUG_ERROR, "Unknown WebSocket message type", "type", data.Type().String())
return nil
}
if len(packet) < 1 {
debug.Log(debug.DEBUG_ERROR, "WebSocket message empty")
return nil
}
wsi.Mutex.Lock()
wsi.RxBytes += uint64(len(packet))
wsi.Mutex.Unlock()
wsi.ProcessIncoming(packet)
return nil
}))
ws.Set("onerror", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
debug.Log(debug.DEBUG_ERROR, "WebSocket error", "name", wsi.Name)
return nil
}))
ws.Set("onclose", js.FuncOf(func(this js.Value, args []js.Value) interface{} {
wsi.Mutex.Lock()
wsi.connected = false
wsi.Online = false
wsi.Mutex.Unlock()
debug.Log(debug.DEBUG_INFO, "WebSocket closed", "name", wsi.Name)
if wsi.Enabled && !wsi.Detached {
time.Sleep(WS_RECONNECT_DELAY)
go wsi.Start()
}
return nil
}))
wsi.ws = ws
return nil
}
func (wsi *WebSocketInterface) Stop() error {
wsi.Mutex.Lock()
defer wsi.Mutex.Unlock()
wsi.Enabled = false
wsi.closeWebSocket()
return nil
}
func (wsi *WebSocketInterface) closeWebSocket() {
if wsi.ws.Truthy() {
wsi.ws.Call("close")
wsi.ws = js.Value{}
}
wsi.connected = false
wsi.Online = false
}
func (wsi *WebSocketInterface) Send(data []byte, addr string) error {
if !wsi.IsEnabled() {
return fmt.Errorf("interface not enabled")
}
wsi.Mutex.Lock()
wsi.TxBytes += uint64(len(data))
wsi.Mutex.Unlock()
if !wsi.connected {
wsi.Mutex.Lock()
wsi.messageQueue = append(wsi.messageQueue, data)
wsi.Mutex.Unlock()
return nil
}
return wsi.sendWebSocketMessage(data)
}
func (wsi *WebSocketInterface) sendWebSocketMessage(data []byte) error {
if !wsi.ws.Truthy() {
return fmt.Errorf("WebSocket not initialized")
}
if wsi.ws.Get("readyState").Int() != 1 {
return fmt.Errorf("WebSocket not open")
}
array := js.Global().Get("Uint8Array").New(len(data))
js.CopyBytesToJS(array, data)
wsi.ws.Call("send", array)
debug.Log(debug.DEBUG_VERBOSE, "WebSocket sent packet", "name", wsi.Name, "bytes", len(data))
return nil
}
func (wsi *WebSocketInterface) ProcessOutgoing(data []byte) error {
return wsi.Send(data, "")
}
func (wsi *WebSocketInterface) GetConn() net.Conn {
return nil
}
func (wsi *WebSocketInterface) GetMTU() int {
return wsi.MTU
}
func (wsi *WebSocketInterface) IsEnabled() bool {
wsi.Mutex.RLock()
defer wsi.Mutex.RUnlock()
return wsi.Enabled && wsi.Online && !wsi.Detached
}

364
pkg/link/establishment_test.go Normal file
View File

@@ -0,0 +1,364 @@
package link
import (
"testing"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/destination"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
"git.quad4.io/Networks/Reticulum-Go/pkg/packet"
"git.quad4.io/Networks/Reticulum-Go/pkg/transport"
)
func TestEphemeralKeyGeneration(t *testing.T) {
link := &Link{}
if err := link.generateEphemeralKeys(); err != nil {
t.Fatalf("Failed to generate ephemeral keys: %v", err)
}
if len(link.prv) != KEYSIZE {
t.Errorf("Expected private key length %d, got %d", KEYSIZE, len(link.prv))
}
if len(link.pub) != KEYSIZE {
t.Errorf("Expected public key length %d, got %d", KEYSIZE, len(link.pub))
}
if len(link.sigPriv) != 64 {
t.Errorf("Expected signing private key length 64, got %d", len(link.sigPriv))
}
if len(link.sigPub) != 32 {
t.Errorf("Expected signing public key length 32, got %d", len(link.sigPub))
}
}
func TestSignallingBytes(t *testing.T) {
mtu := 500
mode := byte(MODE_AES256_CBC)
bytes := signallingBytes(mtu, mode)
if len(bytes) != LINK_MTU_SIZE {
t.Errorf("Expected signalling bytes length %d, got %d", LINK_MTU_SIZE, len(bytes))
}
extractedMTU := (int(bytes[0]&0x1F) << 16) | (int(bytes[1]) << 8) | int(bytes[2])
if extractedMTU != mtu {
t.Errorf("Expected MTU %d, got %d", mtu, extractedMTU)
}
extractedMode := (bytes[0] & MODE_BYTEMASK) >> 5
if extractedMode != mode {
t.Errorf("Expected mode %d, got %d", mode, extractedMode)
}
}
func TestLinkIDGeneration(t *testing.T) {
responderIdent, err := identity.NewIdentity()
if err != nil {
t.Fatalf("Failed to create responder identity: %v", err)
}
cfg := &common.ReticulumConfig{}
transportInstance := transport.NewTransport(cfg)
dest, err := destination.New(responderIdent, destination.IN, destination.SINGLE, "test", transportInstance, "link")
if err != nil {
t.Fatalf("Failed to create destination: %v", err)
}
link := &Link{
destination: dest,
transport: transportInstance,
initiator: true,
}
if err := link.generateEphemeralKeys(); err != nil {
t.Fatalf("Failed to generate keys: %v", err)
}
link.mode = MODE_DEFAULT
link.mtu = 500
signalling := signallingBytes(link.mtu, link.mode)
requestData := make([]byte, 0, ECPUBSIZE+LINK_MTU_SIZE)
requestData = append(requestData, link.pub...)
requestData = append(requestData, link.sigPub...)
requestData = append(requestData, signalling...)
pkt := &packet.Packet{
HeaderType: packet.HeaderType1,
PacketType: packet.PacketTypeLinkReq,
TransportType: 0,
Context: packet.ContextNone,
ContextFlag: packet.FlagUnset,
Hops: 0,
DestinationType: dest.GetType(),
DestinationHash: dest.GetHash(),
Data: requestData,
}
if err := pkt.Pack(); err != nil {
t.Fatalf("Failed to pack packet: %v", err)
}
linkID := linkIDFromPacket(pkt)
if len(linkID) != 16 {
t.Errorf("Expected link ID length 16, got %d", len(linkID))
}
t.Logf("Generated link ID: %x", linkID)
}
func TestHandshake(t *testing.T) {
link1 := &Link{}
link2 := &Link{}
if err := link1.generateEphemeralKeys(); err != nil {
t.Fatalf("Failed to generate keys for link1: %v", err)
}
if err := link2.generateEphemeralKeys(); err != nil {
t.Fatalf("Failed to generate keys for link2: %v", err)
}
link1.peerPub = link2.pub
link2.peerPub = link1.pub
link1.linkID = []byte("test-link-id-abc")
link2.linkID = []byte("test-link-id-abc")
link1.mode = MODE_AES256_CBC
link2.mode = MODE_AES256_CBC
if err := link1.performHandshake(); err != nil {
t.Fatalf("Link1 handshake failed: %v", err)
}
if err := link2.performHandshake(); err != nil {
t.Fatalf("Link2 handshake failed: %v", err)
}
if string(link1.sharedKey) != string(link2.sharedKey) {
t.Error("Shared keys do not match")
}
if string(link1.derivedKey) != string(link2.derivedKey) {
t.Error("Derived keys do not match")
}
if link1.status != STATUS_HANDSHAKE {
t.Errorf("Expected link1 status HANDSHAKE, got %d", link1.status)
}
if link2.status != STATUS_HANDSHAKE {
t.Errorf("Expected link2 status HANDSHAKE, got %d", link2.status)
}
}
func TestLinkEstablishment(t *testing.T) {
responderIdent, err := identity.NewIdentity()
if err != nil {
t.Fatalf("Failed to create responder identity: %v", err)
}
cfg := &common.ReticulumConfig{}
transportInstance := transport.NewTransport(cfg)
dest, err := destination.New(responderIdent, destination.IN, destination.SINGLE, "test", transportInstance, "link")
if err != nil {
t.Fatalf("Failed to create destination: %v", err)
}
initiatorLink := &Link{
destination: dest,
transport: transportInstance,
initiator: true,
}
responderLink := &Link{
transport: transportInstance,
initiator: false,
}
if err := initiatorLink.generateEphemeralKeys(); err != nil {
t.Fatalf("Failed to generate initiator keys: %v", err)
}
initiatorLink.mode = MODE_DEFAULT
initiatorLink.mtu = 500
signalling := signallingBytes(initiatorLink.mtu, initiatorLink.mode)
requestData := make([]byte, 0, ECPUBSIZE+LINK_MTU_SIZE)
requestData = append(requestData, initiatorLink.pub...)
requestData = append(requestData, initiatorLink.sigPub...)
requestData = append(requestData, signalling...)
linkRequestPkt := &packet.Packet{
HeaderType: packet.HeaderType1,
PacketType: packet.PacketTypeLinkReq,
TransportType: 0,
Context: packet.ContextNone,
ContextFlag: packet.FlagUnset,
Hops: 0,
DestinationType: dest.GetType(),
DestinationHash: dest.GetHash(),
Data: requestData,
}
if err := linkRequestPkt.Pack(); err != nil {
t.Fatalf("Failed to pack link request: %v", err)
}
initiatorLink.linkID = linkIDFromPacket(linkRequestPkt)
initiatorLink.requestTime = time.Now()
initiatorLink.status = STATUS_PENDING
t.Logf("Initiator link request created, link_id=%x", initiatorLink.linkID)
responderLink.peerPub = linkRequestPkt.Data[0:KEYSIZE]
responderLink.peerSigPub = linkRequestPkt.Data[KEYSIZE:ECPUBSIZE]
responderLink.linkID = linkIDFromPacket(linkRequestPkt)
responderLink.initiator = false
t.Logf("Responder link ID=%x (len=%d)", responderLink.linkID, len(responderLink.linkID))
if len(responderLink.linkID) == 0 {
t.Fatal("Responder link ID is empty!")
}
if len(linkRequestPkt.Data) >= ECPUBSIZE+LINK_MTU_SIZE {
mtuBytes := linkRequestPkt.Data[ECPUBSIZE : ECPUBSIZE+LINK_MTU_SIZE]
responderLink.mtu = (int(mtuBytes[0]&0x1F) << 16) | (int(mtuBytes[1]) << 8) | int(mtuBytes[2])
responderLink.mode = (mtuBytes[0] & MODE_BYTEMASK) >> 5
}
if err := responderLink.generateEphemeralKeys(); err != nil {
t.Fatalf("Failed to generate responder keys: %v", err)
}
if err := responderLink.performHandshake(); err != nil {
t.Fatalf("Responder handshake failed: %v", err)
}
responderLink.status = STATUS_ACTIVE
responderLink.establishedAt = time.Now()
if string(responderLink.linkID) != string(initiatorLink.linkID) {
t.Error("Link IDs do not match between initiator and responder")
}
t.Logf("Responder handshake successful, shared_key_len=%d", len(responderLink.sharedKey))
}
func TestLinkProofValidation(t *testing.T) {
responderIdent, err := identity.NewIdentity()
if err != nil {
t.Fatalf("Failed to create responder identity: %v", err)
}
cfg := &common.ReticulumConfig{}
transportInstance := transport.NewTransport(cfg)
dest, err := destination.New(responderIdent, destination.IN, destination.SINGLE, "test", transportInstance, "link")
if err != nil {
t.Fatalf("Failed to create destination: %v", err)
}
initiatorLink := &Link{
destination: dest,
transport: transportInstance,
initiator: true,
}
responderLink := &Link{
transport: transportInstance,
initiator: false,
}
if err := initiatorLink.generateEphemeralKeys(); err != nil {
t.Fatalf("Failed to generate initiator keys: %v", err)
}
initiatorLink.mode = MODE_DEFAULT
initiatorLink.mtu = 500
signalling := signallingBytes(initiatorLink.mtu, initiatorLink.mode)
requestData := make([]byte, 0, ECPUBSIZE+LINK_MTU_SIZE)
requestData = append(requestData, initiatorLink.pub...)
requestData = append(requestData, initiatorLink.sigPub...)
requestData = append(requestData, signalling...)
linkRequestPkt := &packet.Packet{
HeaderType: packet.HeaderType1,
PacketType: packet.PacketTypeLinkReq,
TransportType: 0,
Context: packet.ContextNone,
ContextFlag: packet.FlagUnset,
Hops: 0,
DestinationType: dest.GetType(),
DestinationHash: dest.GetHash(),
Data: requestData,
}
if err := linkRequestPkt.Pack(); err != nil {
t.Fatalf("Failed to pack link request: %v", err)
}
initiatorLink.linkID = linkIDFromPacket(linkRequestPkt)
initiatorLink.requestTime = time.Now()
initiatorLink.status = STATUS_PENDING
responderLink.peerPub = linkRequestPkt.Data[0:KEYSIZE]
responderLink.peerSigPub = linkRequestPkt.Data[KEYSIZE:ECPUBSIZE]
responderLink.linkID = linkIDFromPacket(linkRequestPkt)
responderLink.initiator = false
if len(linkRequestPkt.Data) >= ECPUBSIZE+LINK_MTU_SIZE {
mtuBytes := linkRequestPkt.Data[ECPUBSIZE : ECPUBSIZE+LINK_MTU_SIZE]
responderLink.mtu = (int(mtuBytes[0]&0x1F) << 16) | (int(mtuBytes[1]) << 8) | int(mtuBytes[2])
responderLink.mode = (mtuBytes[0] & MODE_BYTEMASK) >> 5
} else {
responderLink.mtu = 500
responderLink.mode = MODE_DEFAULT
}
if err := responderLink.generateEphemeralKeys(); err != nil {
t.Fatalf("Failed to generate responder keys: %v", err)
}
if err := responderLink.performHandshake(); err != nil {
t.Fatalf("Responder handshake failed: %v", err)
}
proofPkt, err := responderLink.GenerateLinkProof(responderIdent)
if err != nil {
t.Fatalf("Failed to generate link proof: %v", err)
}
if err := initiatorLink.ValidateLinkProof(proofPkt, nil); err != nil {
t.Fatalf("Initiator failed to validate link proof: %v", err)
}
if initiatorLink.status != STATUS_ACTIVE {
t.Errorf("Expected initiator status ACTIVE, got %d", initiatorLink.status)
}
if string(initiatorLink.sharedKey) != string(responderLink.sharedKey) {
t.Error("Shared keys do not match after full handshake")
}
if string(initiatorLink.derivedKey) != string(responderLink.derivedKey) {
t.Error("Derived keys do not match after full handshake")
}
t.Logf("Full link establishment successful")
t.Logf("Link ID: %x", initiatorLink.linkID)
t.Logf("Shared key length: %d", len(initiatorLink.sharedKey))
t.Logf("Derived key length: %d", len(initiatorLink.derivedKey))
t.Logf("RTT: %.3f seconds", initiatorLink.rtt)
}

1699
pkg/link/link.go
View File

File diff suppressed because it is too large Load Diff

218
pkg/link/link_test.go Normal file
View File

@@ -0,0 +1,218 @@
package link
import (
"bytes"
"testing"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/destination"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
"git.quad4.io/Networks/Reticulum-Go/pkg/packet"
)
type mockTransport struct {
sentPackets []*packet.Packet
}
func (m *mockTransport) SendPacket(pkt *packet.Packet) error {
m.sentPackets = append(m.sentPackets, pkt)
return nil
}
func (m *mockTransport) RegisterLink(linkID []byte, link interface{}) {
}
func (m *mockTransport) GetConfig() *common.ReticulumConfig {
return &common.ReticulumConfig{}
}
func (m *mockTransport) GetInterfaces() map[string]common.NetworkInterface {
return make(map[string]common.NetworkInterface)
}
func (m *mockTransport) RegisterDestination(hash []byte, dest interface{}) {
}
type mockInterface struct {
name string
}
func (m *mockInterface) GetName() string {
return m.name
}
func (m *mockInterface) Start() error {
return nil
}
func (m *mockInterface) Stop() error {
return nil
}
func (m *mockInterface) Send(data []byte, address string) error {
return nil
}
func (m *mockInterface) ProcessIncoming(data []byte) error {
return nil
}
func (m *mockInterface) SetPacketCallback(cb func([]byte, common.NetworkInterface)) {
}
func (m *mockInterface) GetType() string {
return "mock"
}
func (m *mockInterface) GetMTU() int {
return 500
}
func (m *mockInterface) Detach() {
}
func (m *mockInterface) Enable() {
}
func (m *mockInterface) Disable() {
}
func (m *mockInterface) IsEnabled() bool {
return true
}
func (m *mockInterface) IsOnline() bool {
return true
}
func (m *mockInterface) IsDetached() bool {
return false
}
func (m *mockInterface) GetPacketCallback() func([]byte, common.NetworkInterface) {
return nil
}
func (m *mockInterface) GetConn() interface{} {
return nil
}
func (m *mockInterface) ProcessOutgoing(data []byte) ([]byte, error) {
return data, nil
}
func (m *mockInterface) SendPathRequest(destHash []byte) error {
return nil
}
func (m *mockInterface) SendLinkPacket(data []byte) error {
return nil
}
func (m *mockInterface) GetBandwidthAvailable() float64 {
return 1.0
}
func TestLinkRequestResponse(t *testing.T) {
serverIdent, err := identity.New()
if err != nil {
t.Fatalf("Failed to create server identity: %v", err)
}
clientIdent, err := identity.New()
if err != nil {
t.Fatalf("Failed to create client identity: %v", err)
}
mockTrans := &mockTransport{
sentPackets: make([]*packet.Packet, 0),
}
serverDest, err := destination.New(serverIdent, destination.IN, destination.SINGLE, "testapp", mockTrans, "server")
if err != nil {
t.Fatalf("Failed to create server destination: %v", err)
}
expectedResponse := []byte("response data")
testPath := "/test/path"
err = serverDest.RegisterRequestHandler(testPath, func(path string, data []byte, requestID []byte, linkID []byte, remoteIdentity *identity.Identity, requestedAt int64) []byte {
if path != testPath {
t.Errorf("Expected path %s, got %s", testPath, path)
}
return expectedResponse
}, destination.ALLOW_ALL, nil)
if err != nil {
t.Fatalf("Failed to register request handler: %v", err)
}
// Test the handler is registered correctly
pathHash := identity.TruncatedHash([]byte(testPath))
handler := serverDest.GetRequestHandler(pathHash)
if handler == nil {
t.Fatal("Handler not found after registration")
}
// Call the handler
testLinkID := make([]byte, 16)
result := handler(pathHash, []byte("test data"), []byte("request-id"), testLinkID, clientIdent, time.Now())
if result == nil {
t.Fatal("Handler returned nil")
}
responseBytes, ok := result.([]byte)
if !ok {
t.Fatalf("Handler returned unexpected type: %T", result)
}
if !bytes.Equal(responseBytes, expectedResponse) {
t.Errorf("Expected response %q, got %q", expectedResponse, responseBytes)
}
}
func TestLinkRequestHandlerNotFound(t *testing.T) {
serverIdent, _ := identity.New()
mockTrans := &mockTransport{sentPackets: make([]*packet.Packet, 0)}
serverDest, _ := destination.New(serverIdent, destination.IN, destination.SINGLE, "testapp", mockTrans, "server")
nonExistentPath := "/does/not/exist"
pathHash := identity.TruncatedHash([]byte(nonExistentPath))
handler := serverDest.GetRequestHandler(pathHash)
if handler != nil {
t.Error("Expected no handler for non-existent path, but found one")
}
}
func TestLinkResponseHandling(t *testing.T) {
// This test verifies the basic structure for response handling
// Full integration testing would require a proper transport setup
requestID := []byte("test-request-id-")
responseData := []byte("response payload")
receipt := &RequestReceipt{
requestID: requestID,
status: STATUS_PENDING,
}
// Verify initial state
if receipt.status != STATUS_PENDING {
t.Errorf("Expected initial status PENDING, got %d", receipt.status)
}
// Simulate setting response
receipt.response = responseData
receipt.status = STATUS_ACTIVE
if !bytes.Equal(receipt.response, responseData) {
t.Errorf("Expected response %q, got %q", responseData, receipt.response)
}
if receipt.status != STATUS_ACTIVE {
t.Errorf("Expected status ACTIVE after response, got %d", receipt.status)
}
}

2
pkg/packet/constants.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package packet
const (

74
pkg/packet/packet.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package packet
import (
@@ -6,10 +8,10 @@ import (
"encoding/binary"
"errors"
"fmt"
"log"
"time"
"github.com/Sudo-Ivan/reticulum-go/pkg/identity"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
)
const (
@@ -67,6 +69,7 @@ type Packet struct {
DestinationType byte
DestinationHash []byte
Destination interface{}
TransportID []byte
Data []byte
@@ -85,6 +88,21 @@ type Packet struct {
Q *float64
Addresses []byte
Link interface{}
receipt *PacketReceipt
}
type PacketConfig struct {
DestType byte
Data []byte
PacketType byte
Context byte
TransportType byte
HeaderType byte
TransportID []byte
CreateReceipt bool
ContextFlag byte
}
func NewPacket(destType byte, data []byte, packetType byte, context byte,
@@ -113,7 +131,7 @@ func (p *Packet) Pack() error {
return nil
}
log.Printf("[DEBUG-6] Packing packet: type=%d, header=%d", p.PacketType, p.HeaderType)
debug.Log(debug.DEBUG_PACKETS, "Packing packet", "type", p.PacketType, "header", p.HeaderType)
// Create header byte (Corrected order)
flags := byte(0)
@@ -124,23 +142,23 @@ func (p *Packet) Pack() error {
flags |= p.PacketType & 0b00000011
header := []byte{flags, p.Hops}
log.Printf("[DEBUG-5] Created packet header: flags=%08b, hops=%d", flags, p.Hops)
debug.Log(debug.DEBUG_TRACE, "Created packet header", "flags", fmt.Sprintf("%08b", flags), "hops", p.Hops)
header = append(header, p.DestinationHash...)
if p.HeaderType == HeaderType2 {
if p.TransportID == nil {
return errors.New("transport ID required for header type 2")
}
header = append(header, p.TransportID...)
log.Printf("[DEBUG-7] Added transport ID to header: %x", p.TransportID)
debug.Log(debug.DEBUG_ALL, "Added transport ID to header", "transport_id", fmt.Sprintf("%x", p.TransportID))
}
header = append(header, p.Context)
log.Printf("[DEBUG-6] Final header length: %d bytes", len(header))
debug.Log(debug.DEBUG_PACKETS, "Final header length", "bytes", len(header))
p.Raw = append(header, p.Data...)
log.Printf("[DEBUG-5] Final packet size: %d bytes", len(p.Raw))
debug.Log(debug.DEBUG_TRACE, "Final packet size", "bytes", len(p.Raw))
if len(p.Raw) > MTU {
return errors.New("packet size exceeds MTU")
@@ -148,7 +166,7 @@ func (p *Packet) Pack() error {
p.Packed = true
p.updateHash()
log.Printf("[DEBUG-7] Packet hash: %x", p.PacketHash)
debug.Log(debug.DEBUG_ALL, "Packet hash", "hash", fmt.Sprintf("%x", p.PacketHash))
return nil
}
@@ -173,8 +191,8 @@ func (p *Packet) Unpack() error {
if len(p.Raw) < 2*dstLen+3 {
return errors.New("packet too short for header type 2")
}
p.DestinationHash = p.Raw[2 : dstLen+2] // Destination hash first
p.TransportID = p.Raw[dstLen+2 : 2*dstLen+2] // Transport ID second
p.DestinationHash = p.Raw[2 : dstLen+2] // Destination hash first
p.TransportID = p.Raw[dstLen+2 : 2*dstLen+2] // Transport ID second
p.Context = p.Raw[2*dstLen+2]
p.Data = p.Raw[2*dstLen+3:]
} else {
@@ -202,14 +220,14 @@ func (p *Packet) GetHash() []byte {
func (p *Packet) getHashablePart() []byte {
hashable := []byte{p.Raw[0] & 0b00001111} // Lower 4 bits of flags
if p.HeaderType == HeaderType2 {
// Match Python: Start hash from DestHash (index 18), skipping TransportID
// Start hash from DestHash (index 18), skipping TransportID
dstLen := 16 // RNS.Identity.TRUNCATED_HASHLENGTH / 8
startIndex := dstLen + 2
if len(p.Raw) > startIndex {
hashable = append(hashable, p.Raw[startIndex:]...)
}
} else {
// Match Python: Start hash from DestHash (index 2)
// Start hash from DestHash (index 2)
if len(p.Raw) > 2 {
hashable = append(hashable, p.Raw[2:]...)
}
@@ -221,6 +239,18 @@ func (p *Packet) updateHash() {
p.PacketHash = p.GetHash()
}
func (p *Packet) Hash() []byte {
return p.GetHash()
}
func (p *Packet) TruncatedHash() []byte {
hash := p.GetHash()
if len(hash) >= 16 {
return hash[:16]
}
return hash
}
func (p *Packet) Serialize() ([]byte, error) {
if !p.Packed {
if err := p.Pack(); err != nil {
@@ -234,13 +264,13 @@ func (p *Packet) Serialize() ([]byte, error) {
}
func NewAnnouncePacket(destHash []byte, identity *identity.Identity, appData []byte, transportID []byte) (*Packet, error) {
log.Printf("[DEBUG-7] Creating new announce packet: destHash=%x, appData=%s", destHash, fmt.Sprintf("%x", appData))
debug.Log(debug.DEBUG_ALL, "Creating new announce packet", "dest_hash", fmt.Sprintf("%x", destHash), "app_data", fmt.Sprintf("%x", appData))
// Get public key separated into encryption and signing keys
pubKey := identity.GetPublicKey()
encKey := pubKey[:32]
signKey := pubKey[32:]
log.Printf("[DEBUG-6] Using public keys: encKey=%x, signKey=%x", encKey, signKey)
debug.Log(debug.DEBUG_PACKETS, "Using public keys", "enc_key", fmt.Sprintf("%x", encKey), "sign_key", fmt.Sprintf("%x", signKey))
// Parse app name from first msgpack element if possible
// For nodes, we'll use "reticulum.node" as the name hash
@@ -265,19 +295,19 @@ func NewAnnouncePacket(destHash []byte, identity *identity.Identity, appData []b
// Create name hash (10 bytes)
nameHash := sha256.Sum256([]byte(appName))
nameHash10 := nameHash[:10]
log.Printf("[DEBUG-6] Using name hash for '%s': %x", appName, nameHash10)
debug.Log(debug.DEBUG_PACKETS, "Using name hash", "name", appName, "hash", fmt.Sprintf("%x", nameHash10))
// Create random hash (10 bytes) - 5 bytes random + 5 bytes time
randomHash := make([]byte, 10)
_, err := rand.Read(randomHash[:5]) // #nosec G104
if err != nil {
log.Printf("[DEBUG-6] Failed to read random bytes for hash: %v", err)
debug.Log(debug.DEBUG_PACKETS, "Failed to read random bytes for hash", "error", err)
return nil, err // Or handle the error appropriately
}
timeBytes := make([]byte, 8)
binary.BigEndian.PutUint64(timeBytes, uint64(time.Now().Unix())) // #nosec G115
copy(randomHash[5:], timeBytes[:5])
log.Printf("[DEBUG-6] Generated random hash: %x", randomHash)
debug.Log(debug.DEBUG_PACKETS, "Generated random hash", "hash", fmt.Sprintf("%x", randomHash))
// Prepare ratchet ID if available (not yet implemented)
var ratchetID []byte
@@ -291,11 +321,11 @@ func NewAnnouncePacket(destHash []byte, identity *identity.Identity, appData []b
signedData = append(signedData, nameHash10...)
signedData = append(signedData, randomHash...)
signedData = append(signedData, appData...)
log.Printf("[DEBUG-5] Created signed data (%d bytes)", len(signedData))
debug.Log(debug.DEBUG_TRACE, "Created signed data", "bytes", len(signedData))
// Sign the data
signature := identity.Sign(signedData)
log.Printf("[DEBUG-6] Generated signature: %x", signature)
debug.Log(debug.DEBUG_PACKETS, "Generated signature", "signature", fmt.Sprintf("%x", signature))
// Combine all fields according to spec
// Data structure: Public Key (32) + Signing Key (32) + Name Hash (10) + Random Hash (10) + Ratchet (optional) + Signature (64) + App Data
@@ -310,7 +340,7 @@ func NewAnnouncePacket(destHash []byte, identity *identity.Identity, appData []b
data = append(data, signature...) // Signature (64 bytes)
data = append(data, appData...) // Application data (variable)
log.Printf("[DEBUG-5] Combined packet data (%d bytes)", len(data))
debug.Log(debug.DEBUG_TRACE, "Combined packet data", "bytes", len(data))
// Create the packet with header type 2 (two address fields)
p := &Packet{
@@ -321,6 +351,6 @@ func NewAnnouncePacket(destHash []byte, identity *identity.Identity, appData []b
Data: data,
}
log.Printf("[DEBUG-4] Created announce packet: type=%d, header=%d", p.PacketType, p.HeaderType)
debug.Log(debug.DEBUG_VERBOSE, "Created announce packet", "type", p.PacketType, "header", p.HeaderType)
return p, nil
}

344
pkg/packet/receipt.go Normal file
View File

@@ -0,0 +1,344 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package packet
import (
"fmt"
"sync"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
)
const (
RECEIPT_FAILED = 0x00
RECEIPT_SENT = 0x01
RECEIPT_DELIVERED = 0x02
RECEIPT_CULLED = 0xFF
EXPL_LENGTH = (identity.HASHLENGTH + identity.SIGLENGTH) / 8
IMPL_LENGTH = identity.SIGLENGTH / 8
)
type PacketReceipt struct {
mutex sync.RWMutex
hash []byte
truncatedHash []byte
sent bool
sentAt time.Time
proved bool
status byte
destination interface{}
timeout time.Duration
concludedAt time.Time
proofPacket *Packet
deliveryCallback func(*PacketReceipt)
timeoutCallback func(*PacketReceipt)
link interface{}
destinationHash []byte
destinationIdent *identity.Identity
timeoutCheckDone chan bool
}
func NewPacketReceipt(pkt *Packet) *PacketReceipt {
hash := pkt.Hash()
receipt := &PacketReceipt{
hash: hash,
truncatedHash: pkt.TruncatedHash(),
sent: true,
sentAt: time.Now(),
proved: false,
status: RECEIPT_SENT,
destination: pkt.Destination,
timeout: calculateTimeout(pkt),
timeoutCheckDone: make(chan bool, 1),
}
go receipt.timeoutWatchdog()
debug.Log(debug.DEBUG_PACKETS, "Created packet receipt", "hash", fmt.Sprintf("%x", receipt.truncatedHash))
return receipt
}
func calculateTimeout(pkt *Packet) time.Duration {
baseTimeout := 15 * time.Second
if pkt.Hops > 0 {
baseTimeout += time.Duration(pkt.Hops) * (3 * time.Second)
}
return baseTimeout
}
func (pr *PacketReceipt) GetStatus() byte {
pr.mutex.RLock()
defer pr.mutex.RUnlock()
return pr.status
}
func (pr *PacketReceipt) GetHash() []byte {
pr.mutex.RLock()
defer pr.mutex.RUnlock()
return pr.hash
}
func (pr *PacketReceipt) IsDelivered() bool {
pr.mutex.RLock()
defer pr.mutex.RUnlock()
return pr.status == RECEIPT_DELIVERED
}
func (pr *PacketReceipt) IsFailed() bool {
pr.mutex.RLock()
defer pr.mutex.RUnlock()
return pr.status == RECEIPT_FAILED
}
func (pr *PacketReceipt) ValidateProofPacket(proofPacket *Packet) bool {
if proofPacket.Link != nil {
return pr.ValidateLinkProof(proofPacket.Data, proofPacket.Link, proofPacket)
}
return pr.ValidateProof(proofPacket.Data, proofPacket)
}
func (pr *PacketReceipt) ValidateLinkProof(proof []byte, link interface{}, proofPacket *Packet) bool {
if len(proof) == EXPL_LENGTH {
proofHash := proof[:identity.HASHLENGTH/8]
signature := proof[identity.HASHLENGTH/8 : identity.HASHLENGTH/8+identity.SIGLENGTH/8]
pr.mutex.RLock()
hashMatch := string(proofHash) == string(pr.hash)
pr.mutex.RUnlock()
if !hashMatch {
return false
}
proofValid := pr.validateLinkSignature(signature, link)
if proofValid {
pr.mutex.Lock()
pr.status = RECEIPT_DELIVERED
pr.proved = true
pr.concludedAt = time.Now()
pr.proofPacket = proofPacket
callback := pr.deliveryCallback
pr.mutex.Unlock()
if callback != nil {
go callback(pr)
}
debug.Log(debug.DEBUG_PACKETS, "Link proof validated", "hash", fmt.Sprintf("%x", pr.truncatedHash))
return true
}
} else if len(proof) == IMPL_LENGTH {
debug.Log(debug.DEBUG_TRACE, "Implicit link proof not yet implemented")
}
return false
}
func (pr *PacketReceipt) ValidateProof(proof []byte, proofPacket *Packet) bool {
if len(proof) == EXPL_LENGTH {
proofHash := proof[:identity.HASHLENGTH/8]
signature := proof[identity.HASHLENGTH/8 : identity.HASHLENGTH/8+identity.SIGLENGTH/8]
pr.mutex.RLock()
hashMatch := string(proofHash) == string(pr.hash)
ident := pr.destinationIdent
pr.mutex.RUnlock()
debug.Log(debug.DEBUG_PACKETS, "Explicit proof validation", "len", len(proof), "hashMatch", hashMatch, "hasIdent", ident != nil)
if !hashMatch {
debug.Log(debug.DEBUG_PACKETS, "Proof hash mismatch")
return false
}
if ident == nil {
debug.Log(debug.DEBUG_VERBOSE, "Cannot validate proof without destination identity")
return false
}
proofValid := ident.Verify(pr.hash, signature)
debug.Log(debug.DEBUG_PACKETS, "Signature verification result", "valid", proofValid)
if proofValid {
pr.mutex.Lock()
pr.status = RECEIPT_DELIVERED
pr.proved = true
pr.concludedAt = time.Now()
pr.proofPacket = proofPacket
callback := pr.deliveryCallback
pr.mutex.Unlock()
if callback != nil {
go callback(pr)
}
debug.Log(debug.DEBUG_PACKETS, "Proof validated", "hash", fmt.Sprintf("%x", pr.truncatedHash))
return true
}
} else if len(proof) == IMPL_LENGTH {
signature := proof[:identity.SIGLENGTH/8]
pr.mutex.RLock()
ident := pr.destinationIdent
pr.mutex.RUnlock()
if ident == nil {
return false
}
proofValid := ident.Verify(pr.hash, signature)
if proofValid {
pr.mutex.Lock()
pr.status = RECEIPT_DELIVERED
pr.proved = true
pr.concludedAt = time.Now()
pr.proofPacket = proofPacket
callback := pr.deliveryCallback
pr.mutex.Unlock()
if callback != nil {
go callback(pr)
}
debug.Log(debug.DEBUG_PACKETS, "Implicit proof validated", "hash", fmt.Sprintf("%x", pr.truncatedHash))
return true
}
}
return false
}
func (pr *PacketReceipt) validateLinkSignature(signature []byte, link interface{}) bool {
type linkValidator interface {
Validate(signature, message []byte) bool
}
if validator, ok := link.(linkValidator); ok {
return validator.Validate(signature, pr.hash)
}
debug.Log(debug.DEBUG_TRACE, "Link does not implement Validate method")
return false
}
func (pr *PacketReceipt) GetRTT() time.Duration {
pr.mutex.RLock()
defer pr.mutex.RUnlock()
if pr.concludedAt.IsZero() {
return 0
}
return pr.concludedAt.Sub(pr.sentAt)
}
func (pr *PacketReceipt) IsTimedOut() bool {
pr.mutex.RLock()
defer pr.mutex.RUnlock()
return time.Since(pr.sentAt) > pr.timeout
}
func (pr *PacketReceipt) checkTimeout() {
pr.mutex.Lock()
if pr.status != RECEIPT_SENT {
pr.mutex.Unlock()
return
}
if time.Since(pr.sentAt) <= pr.timeout {
pr.mutex.Unlock()
return
}
if pr.timeout < 0 {
pr.status = RECEIPT_CULLED
} else {
pr.status = RECEIPT_FAILED
}
pr.concludedAt = time.Now()
callback := pr.timeoutCallback
pr.mutex.Unlock()
debug.Log(debug.DEBUG_VERBOSE, "Packet receipt timed out", "hash", fmt.Sprintf("%x", pr.truncatedHash))
if callback != nil {
go callback(pr)
}
}
func (pr *PacketReceipt) timeoutWatchdog() {
ticker := time.NewTicker(1 * time.Second)
defer ticker.Stop()
for {
select {
case <-ticker.C:
pr.checkTimeout()
pr.mutex.RLock()
status := pr.status
pr.mutex.RUnlock()
if status != RECEIPT_SENT {
return
}
case <-pr.timeoutCheckDone:
return
}
}
}
func (pr *PacketReceipt) SetTimeout(timeout time.Duration) {
pr.mutex.Lock()
defer pr.mutex.Unlock()
pr.timeout = timeout
}
func (pr *PacketReceipt) SetDeliveryCallback(callback func(*PacketReceipt)) {
pr.mutex.Lock()
defer pr.mutex.Unlock()
pr.deliveryCallback = callback
}
func (pr *PacketReceipt) SetTimeoutCallback(callback func(*PacketReceipt)) {
pr.mutex.Lock()
defer pr.mutex.Unlock()
pr.timeoutCallback = callback
}
func (pr *PacketReceipt) SetDestinationIdentity(ident *identity.Identity) {
pr.mutex.Lock()
defer pr.mutex.Unlock()
pr.destinationIdent = ident
}
func (pr *PacketReceipt) SetLink(link interface{}) {
pr.mutex.Lock()
defer pr.mutex.Unlock()
pr.link = link
}
func (pr *PacketReceipt) Cancel() {
pr.mutex.Lock()
defer pr.mutex.Unlock()
if pr.status == RECEIPT_SENT {
pr.status = RECEIPT_CULLED
pr.concludedAt = time.Now()
}
select {
case pr.timeoutCheckDone <- true:
default:
}
}

209
pkg/packet/receipt_test.go Normal file
View File

@@ -0,0 +1,209 @@
package packet
import (
"testing"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
)
func TestPacketReceiptCreation(t *testing.T) {
testIdent, err := identity.NewIdentity()
if err != nil {
t.Fatalf("Failed to create identity: %v", err)
}
destHash := testIdent.Hash()
data := []byte("test packet data")
pkt := &Packet{
HeaderType: HeaderType1,
PacketType: PacketTypeData,
TransportType: 0,
Context: ContextNone,
ContextFlag: FlagUnset,
Hops: 0,
DestinationType: 0x00,
DestinationHash: destHash,
Data: data,
CreateReceipt: true,
}
if err := pkt.Pack(); err != nil {
t.Fatalf("Failed to pack packet: %v", err)
}
receipt := NewPacketReceipt(pkt)
if receipt == nil {
t.Fatal("Receipt creation failed")
}
if receipt.GetStatus() != RECEIPT_SENT {
t.Errorf("Expected status SENT, got %d", receipt.GetStatus())
}
hash := receipt.GetHash()
if len(hash) == 0 {
t.Error("Receipt hash is empty")
}
}
func TestPacketReceiptTimeout(t *testing.T) {
testIdent, err := identity.NewIdentity()
if err != nil {
t.Fatalf("Failed to create identity: %v", err)
}
destHash := testIdent.Hash()
data := []byte("test data")
pkt := &Packet{
HeaderType: HeaderType1,
PacketType: PacketTypeData,
TransportType: 0,
Context: ContextNone,
ContextFlag: FlagUnset,
Hops: 0,
DestinationType: 0x00,
DestinationHash: destHash,
Data: data,
CreateReceipt: true,
}
if err := pkt.Pack(); err != nil {
t.Fatalf("Failed to pack packet: %v", err)
}
receipt := NewPacketReceipt(pkt)
receipt.SetTimeout(100 * time.Millisecond)
time.Sleep(150 * time.Millisecond)
if !receipt.IsTimedOut() {
t.Error("Receipt should be timed out")
}
}
func TestPacketReceiptProofValidation(t *testing.T) {
testIdent, err := identity.NewIdentity()
if err != nil {
t.Fatalf("Failed to create identity: %v", err)
}
destHash := testIdent.Hash()
data := []byte("test data")
pkt := &Packet{
HeaderType: HeaderType1,
PacketType: PacketTypeData,
TransportType: 0,
Context: ContextNone,
ContextFlag: FlagUnset,
Hops: 0,
DestinationType: 0x00,
DestinationHash: destHash,
Data: data,
CreateReceipt: true,
}
if err := pkt.Pack(); err != nil {
t.Fatalf("Failed to pack packet: %v", err)
}
receipt := NewPacketReceipt(pkt)
receipt.SetDestinationIdentity(testIdent)
packetHash := pkt.GetHash()
t.Logf("Packet hash: %x", packetHash)
signature := testIdent.Sign(packetHash)
t.Logf("PacketHash length: %d", len(packetHash))
t.Logf("Signature length: %d", len(signature))
t.Logf("EXPL_LENGTH constant: %d", EXPL_LENGTH)
if testIdent.Verify(packetHash, signature) {
t.Log("Direct verification succeeded")
} else {
t.Error("Direct verification failed")
}
proof := make([]byte, 0, EXPL_LENGTH)
proof = append(proof, packetHash...)
proof = append(proof, signature...)
t.Logf("Proof length: %d", len(proof))
proofPacket := &Packet{
PacketType: PacketTypeProof,
Data: proof,
}
if !receipt.ValidateProof(proof, proofPacket) {
t.Errorf("Valid proof was rejected. Proof len=%d, expected=%d", len(proof), EXPL_LENGTH)
}
if receipt.GetStatus() != RECEIPT_DELIVERED {
t.Errorf("Expected status DELIVERED, got %d", receipt.GetStatus())
}
if !receipt.IsDelivered() {
t.Error("Receipt should be marked as delivered")
}
}
func TestPacketReceiptCallbacks(t *testing.T) {
testIdent, err := identity.NewIdentity()
if err != nil {
t.Fatalf("Failed to create identity: %v", err)
}
destHash := testIdent.Hash()
data := []byte("test data")
pkt := &Packet{
HeaderType: HeaderType1,
PacketType: PacketTypeData,
TransportType: 0,
Context: ContextNone,
ContextFlag: FlagUnset,
Hops: 0,
DestinationType: 0x00,
DestinationHash: destHash,
Data: data,
CreateReceipt: true,
}
if err := pkt.Pack(); err != nil {
t.Fatalf("Failed to pack packet: %v", err)
}
receipt := NewPacketReceipt(pkt)
receipt.SetDestinationIdentity(testIdent)
deliveryCalled := make(chan bool, 1)
receipt.SetDeliveryCallback(func(r *PacketReceipt) {
deliveryCalled <- true
})
packetHash := pkt.GetHash()
signature := testIdent.Sign(packetHash)
proof := make([]byte, 0, EXPL_LENGTH)
proof = append(proof, packetHash...)
proof = append(proof, signature...)
proofPacket := &Packet{
PacketType: PacketTypeProof,
Data: proof,
}
receipt.ValidateProof(proof, proofPacket)
select {
case <-deliveryCalled:
// Success
case <-time.After(100 * time.Millisecond):
t.Error("Delivery callback was not called")
}
}

2
pkg/pathfinder/pathfinder.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package pathfinder
import "time"

134
pkg/pathfinder/pathfinder_test.go Normal file
View File

@@ -0,0 +1,134 @@
package pathfinder
import (
"testing"
"time"
)
func TestNewPathFinder(t *testing.T) {
pf := NewPathFinder()
if pf == nil {
t.Fatal("NewPathFinder() returned nil")
}
if pf.paths == nil {
t.Error("NewPathFinder() paths map is nil")
}
}
func TestPathFinder_AddPath(t *testing.T) {
pf := NewPathFinder()
destHash := "test-dest-hash"
nextHop := []byte{0x01, 0x02, 0x03, 0x04}
iface := "eth0"
hops := byte(5)
pf.AddPath(destHash, nextHop, iface, hops)
path, exists := pf.GetPath(destHash)
if !exists {
t.Fatal("GetPath() returned false after AddPath()")
}
if string(path.NextHop) != string(nextHop) {
t.Errorf("NextHop = %v, want %v", path.NextHop, nextHop)
}
if path.Interface != iface {
t.Errorf("Interface = %s, want %s", path.Interface, iface)
}
if path.HopCount != hops {
t.Errorf("HopCount = %d, want %d", path.HopCount, hops)
}
if path.LastUpdated == 0 {
t.Error("LastUpdated should be set")
}
}
func TestPathFinder_GetPath(t *testing.T) {
pf := NewPathFinder()
destHash := "test-dest-hash"
_, exists := pf.GetPath(destHash)
if exists {
t.Error("GetPath() should return false for non-existent path")
}
nextHop := []byte{0x01, 0x02}
pf.AddPath(destHash, nextHop, "eth0", 3)
path, exists := pf.GetPath(destHash)
if !exists {
t.Fatal("GetPath() returned false for existing path")
}
if string(path.NextHop) != string(nextHop) {
t.Errorf("NextHop = %v, want %v", path.NextHop, nextHop)
}
}
func TestPathFinder_UpdatePath(t *testing.T) {
pf := NewPathFinder()
destHash := "test-dest-hash"
nextHop1 := []byte{0x01, 0x02}
nextHop2 := []byte{0x03, 0x04}
pf.AddPath(destHash, nextHop1, "eth0", 3)
time.Sleep(10 * time.Millisecond)
firstUpdate := time.Now().Unix()
pf.AddPath(destHash, nextHop2, "eth1", 5)
path, exists := pf.GetPath(destHash)
if !exists {
t.Fatal("GetPath() returned false")
}
if string(path.NextHop) != string(nextHop2) {
t.Errorf("NextHop = %v, want %v", path.NextHop, nextHop2)
}
if path.Interface != "eth1" {
t.Errorf("Interface = %s, want eth1", path.Interface)
}
if path.HopCount != 5 {
t.Errorf("HopCount = %d, want 5", path.HopCount)
}
if path.LastUpdated < firstUpdate {
t.Error("LastUpdated should be updated")
}
}
func TestPathFinder_MultiplePaths(t *testing.T) {
pf := NewPathFinder()
paths := []struct {
hash string
nextHop []byte
iface string
hops byte
}{
{"hash1", []byte{0x01}, "eth0", 1},
{"hash2", []byte{0x02}, "eth1", 2},
{"hash3", []byte{0x03}, "eth2", 3},
}
for _, p := range paths {
pf.AddPath(p.hash, p.nextHop, p.iface, p.hops)
}
for _, p := range paths {
path, exists := pf.GetPath(p.hash)
if !exists {
t.Errorf("GetPath() returned false for %s", p.hash)
continue
}
if string(path.NextHop) != string(p.nextHop) {
t.Errorf("NextHop for %s = %v, want %v", p.hash, path.NextHop, p.nextHop)
}
if path.Interface != p.iface {
t.Errorf("Interface for %s = %s, want %s", p.hash, path.Interface, p.iface)
}
if path.HopCount != p.hops {
t.Errorf("HopCount for %s = %d, want %d", p.hash, path.HopCount, p.hops)
}
}
}

39
pkg/rate/rate.go
View File

@@ -1,8 +1,12 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package rate
import (
"sync"
"time"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
)
const (
@@ -15,22 +19,29 @@ const (
DefaultBurstPenalty = 300 // Default seconds penalty after burst
DefaultMaxHeldAnnounces = 256 // Default max announces in hold queue
DefaultHeldReleaseInterval = 30 // Default seconds between releasing held announces
// Allowance thresholds
AllowanceMinThreshold = 1.0
AllowanceDecrement = 1.0
// History check threshold
HistoryGraceThreshold = 1
)
type Limiter struct {
rate float64
interval time.Duration
capacity float64
lastUpdate time.Time
allowance float64
mutex sync.Mutex
}
func NewLimiter(rate float64, interval time.Duration) *Limiter {
func NewLimiter(rate float64, capacity float64) *Limiter {
return &Limiter{
rate: rate,
interval: interval,
capacity: capacity,
lastUpdate: time.Now(),
allowance: rate,
allowance: capacity,
}
}
@@ -43,15 +54,15 @@ func (l *Limiter) Allow() bool {
l.lastUpdate = now
l.allowance += elapsed.Seconds() * l.rate
if l.allowance > l.rate {
l.allowance = l.rate
if l.allowance > l.capacity {
l.allowance = l.capacity
}
if l.allowance < 1.0 {
if l.allowance < AllowanceMinThreshold {
return false
}
l.allowance -= 1.0
l.allowance -= AllowanceDecrement
return true
}
@@ -100,7 +111,7 @@ func (arc *AnnounceRateControl) AllowAnnounce(destHash string) bool {
// Check rate
lastAnnounce := history[len(history)-1]
waitTime := arc.rateTarget
if len(history) > arc.rateGrace {
if len(history) > arc.rateGrace+HistoryGraceThreshold {
waitTime += arc.ratePenalty
}
@@ -155,7 +166,7 @@ func (ic *IngressControl) ProcessAnnounce(announceHash string, announceData []by
// Reset counter if enough time has passed
if elapsed > ic.burstHold+ic.burstPenalty {
ic.announceCount = 0
ic.announceCount = common.ZERO
ic.lastBurst = now
}
@@ -166,7 +177,13 @@ func (ic *IngressControl) ProcessAnnounce(announceHash string, announceData []by
}
ic.announceCount++
burstFreq := float64(ic.announceCount) / elapsed.Seconds()
// Avoid division by zero and handle very small elapsed times
seconds := elapsed.Seconds()
if seconds < 0.01 {
seconds = 0.01
}
burstFreq := float64(ic.announceCount) / seconds
// Hold announce if burst frequency exceeded
if burstFreq > maxFreq {

150
pkg/rate/rate_test.go Normal file
View File

@@ -0,0 +1,150 @@
package rate
import (
"testing"
"time"
)
func TestNewLimiter(t *testing.T) {
limiter := NewLimiter(10.0, 1.0)
if limiter == nil {
t.Fatal("NewLimiter() returned nil")
}
}
func TestLimiter_Allow(t *testing.T) {
limiter := NewLimiter(10.0, 1.0)
if !limiter.Allow() {
t.Error("Allow() should return true initially")
}
for i := 0; i < 10; i++ {
limiter.Allow()
}
if limiter.Allow() {
t.Error("Allow() should return false after exceeding rate")
}
time.Sleep(1100 * time.Millisecond)
if !limiter.Allow() {
t.Error("Allow() should return true after waiting")
}
}
func TestNewAnnounceRateControl(t *testing.T) {
arc := NewAnnounceRateControl(3600.0, 3, 7200.0)
if arc == nil {
t.Fatal("NewAnnounceRateControl() returned nil")
}
}
func TestAnnounceRateControl_AllowAnnounce(t *testing.T) {
arc := NewAnnounceRateControl(1.0, 2, 2.0)
hash := "test-dest-hash"
if !arc.AllowAnnounce(hash) {
t.Error("AllowAnnounce() should return true for first announce")
}
if !arc.AllowAnnounce(hash) {
t.Error("AllowAnnounce() should return true for second announce (within grace)")
}
if arc.AllowAnnounce(hash) {
t.Error("AllowAnnounce() should return false for third announce (exceeds grace)")
}
time.Sleep(1100 * time.Millisecond)
if !arc.AllowAnnounce(hash) {
t.Error("AllowAnnounce() should return true after waiting")
}
}
func TestAnnounceRateControl_AllowAnnounce_DifferentHashes(t *testing.T) {
arc := NewAnnounceRateControl(1.0, 1, 1.0)
hash1 := "hash1"
hash2 := "hash2"
if !arc.AllowAnnounce(hash1) {
t.Error("AllowAnnounce() should return true for hash1")
}
if !arc.AllowAnnounce(hash2) {
t.Error("AllowAnnounce() should return true for hash2 (different hash)")
}
}
func TestNewIngressControl(t *testing.T) {
ic := NewIngressControl(true)
if ic == nil {
t.Fatal("NewIngressControl() returned nil")
}
}
func TestIngressControl_ProcessAnnounce(t *testing.T) {
ic := NewIngressControl(true)
hash := "test-hash"
data := []byte("announce data")
ic.mutex.Lock()
ic.lastBurst = time.Now().Add(-time.Second)
ic.mutex.Unlock()
if !ic.ProcessAnnounce(hash, data, false) {
t.Error("ProcessAnnounce() should return true for first announce")
}
time.Sleep(10 * time.Millisecond)
for i := 0; i < 200; i++ {
ic.ProcessAnnounce(hash, data, false)
}
result := ic.ProcessAnnounce(hash, data, false)
if result {
t.Error("ProcessAnnounce() should return false when burst frequency exceeded")
}
}
func TestIngressControl_ProcessAnnounce_Disabled(t *testing.T) {
ic := NewIngressControl(false)
hash := "test-hash"
data := []byte("announce data")
if !ic.ProcessAnnounce(hash, data, false) {
t.Error("ProcessAnnounce() should return true when disabled")
}
}
func TestIngressControl_ReleaseHeldAnnounce(t *testing.T) {
ic := NewIngressControl(true)
hash, data, found := ic.ReleaseHeldAnnounce()
if found {
t.Error("ReleaseHeldAnnounce() should return false when no announces held")
}
ic.ProcessAnnounce("hash1", []byte("data1"), false)
for i := 0; i < 200; i++ {
ic.ProcessAnnounce("hash1", []byte("data1"), false)
}
hash, data, found = ic.ReleaseHeldAnnounce()
if !found {
t.Error("ReleaseHeldAnnounce() should return true when announces are held")
}
if hash == "" {
t.Error("ReleaseHeldAnnounce() should return non-empty hash")
}
if len(data) == 0 {
t.Error("ReleaseHeldAnnounce() should return non-empty data")
}
}

21
pkg/resolver/resolver.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package resolver
import (
@@ -7,7 +9,18 @@ import (
"strings"
"sync"
"github.com/Sudo-Ivan/reticulum-go/pkg/identity"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
)
const (
// Hash length conversion (bits to bytes)
BitsPerByte = 8
// Known destination data index
KnownDestIdentityIndex = 2
// Minimum name parts for hierarchical resolution
MinNameParts = 2
)
type Resolver struct {
@@ -36,12 +49,12 @@ func (r *Resolver) ResolveIdentity(fullName string) (*identity.Identity, error)
// Hash the full name to create a deterministic identity
h := sha256.New()
h.Write([]byte(fullName))
nameHash := h.Sum(nil)[:identity.NAME_HASH_LENGTH/8]
nameHash := h.Sum(nil)[:identity.NAME_HASH_LENGTH/BitsPerByte]
hashStr := hex.EncodeToString(nameHash)
// Check if this identity is known
if knownData, exists := identity.GetKnownDestination(hashStr); exists {
if id, ok := knownData[2].(*identity.Identity); ok {
if id, ok := knownData[KnownDestIdentityIndex].(*identity.Identity); ok {
r.cacheLock.Lock()
r.cache[fullName] = id
r.cacheLock.Unlock()
@@ -51,7 +64,7 @@ func (r *Resolver) ResolveIdentity(fullName string) (*identity.Identity, error)
// Split name into parts for hierarchical resolution
parts := strings.Split(fullName, ".")
if len(parts) < 2 {
if len(parts) < MinNameParts {
return nil, errors.New("invalid identity name format")
}

118
pkg/resolver/resolver_test.go Normal file
View File

@@ -0,0 +1,118 @@
package resolver
import (
"testing"
)
func TestNew(t *testing.T) {
r := New()
if r == nil {
t.Fatal("New() returned nil")
}
if r.cache == nil {
t.Error("New() cache map is nil")
}
}
func TestResolver_ResolveIdentity(t *testing.T) {
r := New()
tests := []struct {
name string
fullName string
wantError bool
}{
{
name: "ValidName",
fullName: "app.aspect",
wantError: false,
},
{
name: "EmptyName",
fullName: "",
wantError: true,
},
{
name: "InvalidFormat",
fullName: "app",
wantError: true,
},
{
name: "MultiPartName",
fullName: "app.aspect1.aspect2",
wantError: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
id, err := r.ResolveIdentity(tt.fullName)
if (err != nil) != tt.wantError {
t.Errorf("ResolveIdentity() error = %v, wantError %v", err, tt.wantError)
return
}
if !tt.wantError && id == nil {
t.Error("ResolveIdentity() returned nil identity for valid name")
}
})
}
}
func TestResolver_ResolveIdentity_Caching(t *testing.T) {
r := New()
fullName := "app.aspect"
id1, err := r.ResolveIdentity(fullName)
if err != nil {
t.Fatalf("ResolveIdentity() error = %v", err)
}
id2, err := r.ResolveIdentity(fullName)
if err != nil {
t.Fatalf("ResolveIdentity() error = %v", err)
}
if id1 == nil || id2 == nil {
t.Fatal("ResolveIdentity() returned nil")
}
if id1.GetPublicKey() == nil || id2.GetPublicKey() == nil {
t.Fatal("Identity public key is nil")
}
if string(id1.GetPublicKey()) != string(id2.GetPublicKey()) {
t.Error("ResolveIdentity() should return cached identity")
}
}
func TestResolveIdentity(t *testing.T) {
id, err := ResolveIdentity("app.aspect")
if err != nil {
t.Fatalf("ResolveIdentity() error = %v", err)
}
if id == nil {
t.Error("ResolveIdentity() returned nil")
}
}
func TestResolver_ResolveIdentity_Concurrent(t *testing.T) {
r := New()
done := make(chan bool, 10)
for i := 0; i < 10; i++ {
go func() {
id, err := r.ResolveIdentity("app.aspect")
if err != nil {
t.Errorf("ResolveIdentity() error = %v", err)
}
if id == nil {
t.Error("ResolveIdentity() returned nil")
}
done <- true
}()
}
for i := 0; i < 10; i++ {
<-done
}
}

255
pkg/resource/advertisement.go Normal file
View File

@@ -0,0 +1,255 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package resource
import (
"fmt"
"math"
"github.com/vmihailenco/msgpack/v5"
)
const (
OVERHEAD = 134
COLLISION_GUARD_SIZE = 2*WINDOW_MAX + 100
)
type ResourceAdvertisement struct {
TransferSize int64
DataSize int64
Parts int
Hash []byte
RandomHash []byte
OriginalHash []byte
Hashmap []byte
Compressed bool
Encrypted bool
Split bool
HasMetadata bool
SegmentIndex uint16
TotalSegments uint16
RequestID []byte
IsRequest bool
IsResponse bool
Flags byte
}
func NewResourceAdvertisement(res *Resource) *ResourceAdvertisement {
if res == nil {
return nil
}
flags := byte(0x00)
if res.HasMetadata() {
flags |= 0x20
}
if res.IsResponse() {
flags |= 0x10
}
if res.IsRequest() {
flags |= 0x08
}
res.mutex.RLock()
split := res.split
compressed := res.compressed
encrypted := res.encrypted
randomHash := res.randomHash
originalHash := res.originalHash
segmentIndex := res.segmentIndex
totalSegments := res.totalSegments
res.mutex.RUnlock()
if split {
flags |= 0x04
}
if compressed {
flags |= 0x02
}
if encrypted {
flags |= 0x01
}
hashmap := res.getHashmap()
return &ResourceAdvertisement{
TransferSize: res.GetTransferSize(),
DataSize: res.GetDataSize(),
Parts: int(res.GetSegments()),
Hash: res.GetHash(),
RandomHash: randomHash,
OriginalHash: originalHash,
Hashmap: hashmap,
Compressed: compressed,
Encrypted: encrypted,
Split: split,
HasMetadata: res.HasMetadata(),
SegmentIndex: segmentIndex,
TotalSegments: totalSegments,
RequestID: res.GetRequestID(),
IsRequest: res.IsRequest(),
IsResponse: res.IsResponse(),
Flags: flags,
}
}
func (ra *ResourceAdvertisement) Pack(segment int) ([]byte, error) {
hashmapMaxLen := getHashmapMaxLen()
hashmapStart := segment * hashmapMaxLen
hashmapEnd := hashmapStart + hashmapMaxLen
if hashmapEnd > len(ra.Hashmap)/MAPHASH_LEN {
hashmapEnd = len(ra.Hashmap) / MAPHASH_LEN
}
hashmap := ra.Hashmap[hashmapStart*MAPHASH_LEN : hashmapEnd*MAPHASH_LEN]
dict := map[string]interface{}{
"t": ra.TransferSize,
"d": ra.DataSize,
"n": ra.Parts,
"h": ra.Hash,
"r": ra.RandomHash,
"o": ra.OriginalHash,
"i": ra.SegmentIndex,
"l": ra.TotalSegments,
"q": ra.RequestID,
"f": ra.Flags,
"m": hashmap,
}
return msgpack.Marshal(dict)
}
func UnpackResourceAdvertisement(data []byte) (*ResourceAdvertisement, error) {
var dict map[string]interface{}
if err := msgpack.Unmarshal(data, &dict); err != nil {
return nil, fmt.Errorf("failed to unpack advertisement: %w", err)
}
ra := &ResourceAdvertisement{}
if t, ok := dict["t"].(int64); ok {
ra.TransferSize = t
} else if t, ok := dict["t"].(uint64); ok {
if t > uint64(math.MaxInt64) {
return nil, fmt.Errorf("transfer size overflow")
}
ra.TransferSize = int64(t) // #nosec G115 - checked for overflow
}
if d, ok := dict["d"].(int64); ok {
ra.DataSize = d
} else if d, ok := dict["d"].(uint64); ok {
if d > uint64(math.MaxInt64) {
return nil, fmt.Errorf("data size overflow")
}
ra.DataSize = int64(d) // #nosec G115 - checked for overflow
}
if n, ok := dict["n"].(int); ok {
ra.Parts = n
} else if n, ok := dict["n"].(uint64); ok {
if n > uint64(math.MaxInt32) {
return nil, fmt.Errorf("parts count overflow")
}
ra.Parts = int(n) // #nosec G115 - checked for overflow
}
if h, ok := dict["h"].([]byte); ok {
ra.Hash = h
}
if r, ok := dict["r"].([]byte); ok {
ra.RandomHash = r
}
if o, ok := dict["o"].([]byte); ok {
ra.OriginalHash = o
}
if m, ok := dict["m"].([]byte); ok {
ra.Hashmap = m
}
if f, ok := dict["f"].(byte); ok {
ra.Flags = f
} else if f, ok := dict["f"].(uint64); ok {
ra.Flags = byte(f)
}
ra.Encrypted = (ra.Flags & 0x01) == 0x01
ra.Compressed = ((ra.Flags >> 1) & 0x01) == 0x01
ra.Split = ((ra.Flags >> 2) & 0x01) == 0x01
ra.IsRequest = ((ra.Flags >> 3) & 0x01) == 0x01
ra.IsResponse = ((ra.Flags >> 4) & 0x01) == 0x01
ra.HasMetadata = ((ra.Flags >> 5) & 0x01) == 0x01
if i, ok := dict["i"].(uint16); ok {
ra.SegmentIndex = i
} else if i, ok := dict["i"].(uint64); ok {
if i > uint64(math.MaxUint16) {
return nil, fmt.Errorf("segment index overflow")
}
ra.SegmentIndex = uint16(i) // #nosec G115 - checked for overflow
}
if l, ok := dict["l"].(uint16); ok {
ra.TotalSegments = l
} else if l, ok := dict["l"].(uint64); ok {
if l > uint64(math.MaxUint16) {
return nil, fmt.Errorf("total segments overflow")
}
ra.TotalSegments = uint16(l) // #nosec G115 - checked for overflow
}
if q, ok := dict["q"].([]byte); ok {
ra.RequestID = q
}
return ra, nil
}
func getHashmapMaxLen() int {
mdu := 384
return (mdu - OVERHEAD) / MAPHASH_LEN
}
func IsRequestAdvertisement(data []byte) bool {
adv, err := UnpackResourceAdvertisement(data)
if err != nil {
return false
}
return adv.IsRequest && adv.RequestID != nil
}
func IsResponseAdvertisement(data []byte) bool {
adv, err := UnpackResourceAdvertisement(data)
if err != nil {
return false
}
return adv.IsResponse && adv.RequestID != nil
}
func ReadRequestID(data []byte) []byte {
adv, err := UnpackResourceAdvertisement(data)
if err != nil {
return nil
}
return adv.RequestID
}
func ReadTransferSize(data []byte) int64 {
adv, err := UnpackResourceAdvertisement(data)
if err != nil {
return 0
}
return adv.TransferSize
}
func ReadSize(data []byte) int64 {
adv, err := UnpackResourceAdvertisement(data)
if err != nil {
return 0
}
return adv.DataSize
}

107
pkg/resource/resource.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package resource
import (
@@ -58,6 +60,7 @@ const (
PROCESSING_GRACE = 1.0
RETRY_GRACE_TIME = 0.25
PER_RETRY_DELAY = 0.5
RESPONSE_MAX_GRACE_TIME = 10.0
)
type Resource struct {
@@ -92,6 +95,10 @@ type Resource struct {
callback func(*Resource)
progressCallback func(*Resource)
readOffset int64
requestID []byte
isResponse bool
hashmap []byte
parts [][]byte
}
func New(data interface{}, autoCompress bool) (*Resource, error) {
@@ -219,12 +226,6 @@ func (r *Resource) GetSegments() uint16 {
return r.segments
}
func (r *Resource) IsCompressed() bool {
r.mutex.RLock()
defer r.mutex.RUnlock()
return r.compressed
}
func (r *Resource) Cancel() {
r.mutex.Lock()
defer r.mutex.Unlock()
@@ -421,3 +422,97 @@ func (r *Resource) GetSize() int64 {
defer r.mutex.RUnlock()
return r.dataSize
}
func (r *Resource) HasMetadata() bool {
r.mutex.RLock()
defer r.mutex.RUnlock()
return false
}
func (r *Resource) IsRequest() bool {
r.mutex.RLock()
defer r.mutex.RUnlock()
return r.requestID != nil && !r.isResponse
}
func (r *Resource) IsResponse() bool {
r.mutex.RLock()
defer r.mutex.RUnlock()
return r.isResponse
}
func (r *Resource) GetRequestID() []byte {
r.mutex.RLock()
defer r.mutex.RUnlock()
if r.requestID == nil {
return nil
}
return append([]byte{}, r.requestID...)
}
func (r *Resource) SetRequestID(id []byte) {
r.mutex.Lock()
defer r.mutex.Unlock()
if id == nil {
r.requestID = nil
return
}
r.requestID = append([]byte{}, id...)
}
func (r *Resource) SetIsResponse(isResponse bool) {
r.mutex.Lock()
defer r.mutex.Unlock()
r.isResponse = isResponse
}
func (r *Resource) getHashmap() []byte {
r.mutex.RLock()
defer r.mutex.RUnlock()
if r.hashmap == nil {
return nil
}
return append([]byte{}, r.hashmap...)
}
func (r *Resource) GetRandomHash() []byte {
r.mutex.RLock()
defer r.mutex.RUnlock()
if r.randomHash == nil {
return nil
}
return append([]byte{}, r.randomHash...)
}
func (r *Resource) GetOriginalHash() []byte {
r.mutex.RLock()
defer r.mutex.RUnlock()
if r.originalHash == nil {
return nil
}
return append([]byte{}, r.originalHash...)
}
func (r *Resource) GetSegmentIndex() uint16 {
r.mutex.RLock()
defer r.mutex.RUnlock()
return r.segmentIndex
}
func (r *Resource) GetTotalSegments() uint16 {
r.mutex.RLock()
defer r.mutex.RUnlock()
return r.totalSegments
}
func (r *Resource) IsEncrypted() bool {
r.mutex.RLock()
defer r.mutex.RUnlock()
return r.encrypted
}
func (r *Resource) IsSplit() bool {
r.mutex.RLock()
defer r.mutex.RUnlock()
return r.split
}

153
pkg/resource/resource_test.go Normal file
View File

@@ -0,0 +1,153 @@
package resource
import (
"bytes"
"io"
"os"
"path/filepath"
"testing"
)
func TestNewResourceFromBytes(t *testing.T) {
data := []byte("hello world")
r, err := New(data, false)
if err != nil {
t.Fatalf("New failed: %v", err)
}
if r.GetDataSize() != int64(len(data)) {
t.Errorf("Expected size %d, got %d", len(data), r.GetDataSize())
}
if r.GetSegments() != 1 {
t.Errorf("Expected 1 segment, got %d", r.GetSegments())
}
}
func TestNewResourceFromFile(t *testing.T) {
tmpDir := t.TempDir()
tmpFile := filepath.Join(tmpDir, "test.txt")
data := []byte("file data")
err := os.WriteFile(tmpFile, data, 0644)
if err != nil {
t.Fatal(err)
}
f, err := os.OpenFile(tmpFile, os.O_RDWR, 0)
if err != nil {
t.Fatal(err)
}
defer f.Close()
r, err := New(f, false)
if err != nil {
t.Fatalf("New failed: %v", err)
}
if r.GetDataSize() != int64(len(data)) {
t.Errorf("Expected size %d, got %d", len(data), r.GetDataSize())
}
}
func TestGetSegmentData(t *testing.T) {
data := make([]byte, DEFAULT_SEGMENT_SIZE+100)
for i := range data {
data[i] = byte(i % 256)
}
r, _ := New(data, false)
if r.GetSegments() != 2 {
t.Fatalf("Expected 2 segments, got %d", r.GetSegments())
}
seg0, err := r.GetSegmentData(0)
if err != nil {
t.Fatalf("GetSegmentData(0) failed: %v", err)
}
if !bytes.Equal(seg0, data[:DEFAULT_SEGMENT_SIZE]) {
t.Error("Segment 0 data mismatch")
}
seg1, err := r.GetSegmentData(1)
if err != nil {
t.Fatalf("GetSegmentData(1) failed: %v", err)
}
if !bytes.Equal(seg1, data[DEFAULT_SEGMENT_SIZE:]) {
t.Error("Segment 1 data mismatch")
}
}
func TestMarkSegmentComplete(t *testing.T) {
data := make([]byte, DEFAULT_SEGMENT_SIZE*2)
r, _ := New(data, false)
callbackCalled := false
r.SetCallback(func(res *Resource) {
callbackCalled = true
})
r.MarkSegmentComplete(0)
if r.GetProgress() != 0.5 {
t.Errorf("Expected progress 0.5, got %f", r.GetProgress())
}
if r.GetStatus() != STATUS_PENDING && r.GetStatus() != STATUS_ACTIVE {
t.Errorf("Wrong status: %v", r.GetStatus())
}
r.MarkSegmentComplete(1)
if r.GetProgress() != 1.0 {
t.Errorf("Expected progress 1.0, got %f", r.GetProgress())
}
if r.GetStatus() != STATUS_COMPLETE {
t.Errorf("Expected status COMPLETE, got %v", r.GetStatus())
}
if !callbackCalled {
t.Error("Callback was not called")
}
}
func TestRead(t *testing.T) {
data := []byte("hello world")
r, _ := New(data, false)
buf := make([]byte, 5)
n, err := r.Read(buf)
if err != nil {
t.Fatalf("Read failed: %v", err)
}
if n != 5 || !bytes.Equal(buf, []byte("hello")) {
t.Errorf("Read wrong data: %q", buf)
}
buf = make([]byte, 10)
n, err = r.Read(buf)
if err != nil {
t.Fatalf("Read failed: %v", err)
}
if n != 6 || !bytes.Equal(buf[:n], []byte(" world")) {
t.Errorf("Read wrong data: %q", buf[:n])
}
n, err = r.Read(buf)
if err != io.EOF {
t.Errorf("Expected EOF, got %v", err)
}
}
func TestCancelActivateFailed(t *testing.T) {
data := []byte("test")
r, _ := New(data, false)
r.Activate()
if r.GetStatus() != STATUS_ACTIVE {
t.Errorf("Expected ACTIVE, got %v", r.GetStatus())
}
r.SetFailed()
if r.GetStatus() != STATUS_FAILED {
t.Errorf("Expected FAILED, got %v", r.GetStatus())
}
r2, _ := New(data, false)
r2.Cancel()
if r2.GetStatus() != STATUS_CANCELLED {
t.Errorf("Expected CANCELLED, got %v", r2.GetStatus())
}
}

6
pkg/transport/announce.go
View File

@@ -1,3 +1,5 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
package transport
import (
@@ -7,7 +9,7 @@ import (
"sync"
"time"
"github.com/Sudo-Ivan/reticulum-go/pkg/rate"
"git.quad4.io/Networks/Reticulum-Go/pkg/rate"
)
const (
@@ -39,7 +41,7 @@ func NewAnnounceManager() *AnnounceManager {
return &AnnounceManager{
announces: make(map[string]*AnnounceEntry),
announceQueue: make(map[string][]*AnnounceEntry),
rateLimiter: rate.NewLimiter(DefaultPropagationRate, 1),
rateLimiter: rate.NewLimiter(rate.DefaultBurstFreq, 10.0),
mutex: sync.RWMutex{},
}
}

1156
pkg/transport/transport.go
View File

File diff suppressed because it is too large Load Diff

158
pkg/transport/transport_test.go
View File

@@ -1,88 +1,120 @@
package transport
import (
"crypto/rand"
"bytes"
"testing"
"github.com/Sudo-Ivan/reticulum-go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
)
func randomBytes(n int) []byte {
b := make([]byte, n)
_, err := rand.Read(b)
type mockInterface struct {
common.BaseInterface
sent [][]byte
}
func (m *mockInterface) Send(data []byte, address string) error {
m.sent = append(m.sent, data)
return nil
}
func (m *mockInterface) GetName() string {
return m.Name
}
func (m *mockInterface) IsEnabled() bool {
return m.Enabled
}
func TestNewTransport(t *testing.T) {
config := &common.ReticulumConfig{}
tr := NewTransport(config)
if tr == nil {
t.Fatal("NewTransport returned nil")
}
defer tr.Close()
}
func TestRegisterInterface(t *testing.T) {
tr := NewTransport(&common.ReticulumConfig{})
defer tr.Close()
iface := &mockInterface{}
iface.Name = "test"
err := tr.RegisterInterface("test", iface)
if err != nil {
panic("Failed to generate random bytes: " + err.Error())
}
return b
}
// BenchmarkTransportDestinationCreation benchmarks destination creation
func BenchmarkTransportDestinationCreation(b *testing.B) {
// Create a basic config for transport
config := &common.ReticulumConfig{
ConfigPath: "/tmp/test_config",
t.Fatalf("RegisterInterface failed: %v", err)
}
transport := NewTransport(config)
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
// Create destination (this allocates and initializes destination objects)
dest := transport.NewDestination(nil, OUT, SINGLE, "test_app")
_ = dest // Use the destination to avoid optimization
retrieved, err := tr.GetInterface("test")
if err != nil {
t.Fatalf("GetInterface failed: %v", err)
}
if retrieved != iface {
t.Error("Retrieved interface doesn't match")
}
}
// BenchmarkTransportPathLookup benchmarks path lookup operations
func BenchmarkTransportPathLookup(b *testing.B) {
// Create a basic config for transport
config := &common.ReticulumConfig{
ConfigPath: "/tmp/test_config",
func TestPathManagement(t *testing.T) {
tr := NewTransport(&common.ReticulumConfig{})
defer tr.Close()
destHash := []byte("test-destination-hash")
nextHop := []byte("next-hop")
iface := &mockInterface{}
iface.Name = "iface1"
_ = tr.RegisterInterface("iface1", iface)
tr.UpdatePath(destHash, nextHop, "iface1", 2)
if !tr.HasPath(destHash) {
t.Error("Path not found after update")
}
transport := NewTransport(config)
if tr.HopsTo(destHash) != 2 {
t.Errorf("Expected 2 hops, got %d", tr.HopsTo(destHash))
}
// Pre-populate with some destinations
destHash1 := randomBytes(16)
destHash2 := randomBytes(16)
destHash3 := randomBytes(16)
if !bytes.Equal(tr.NextHop(destHash), nextHop) {
t.Error("Next hop mismatch")
}
// Create some destinations
transport.NewDestination(nil, OUT, SINGLE, "test_app")
transport.NewDestination(nil, OUT, SINGLE, "test_app")
transport.NewDestination(nil, OUT, SINGLE, "test_app")
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
// Test path lookup operations (these involve map lookups and allocations)
_ = transport.HasPath(destHash1)
_ = transport.HasPath(destHash2)
_ = transport.HasPath(destHash3)
if tr.NextHopInterface(destHash) != "iface1" {
t.Errorf("Expected iface1, got %s", tr.NextHopInterface(destHash))
}
}
// BenchmarkTransportHopsCalculation benchmarks hops calculation
func BenchmarkTransportHopsCalculation(b *testing.B) {
// Create a basic config for transport
config := &common.ReticulumConfig{
ConfigPath: "/tmp/test_config",
}
func TestDestinationRegistration(t *testing.T) {
tr := NewTransport(&common.ReticulumConfig{})
defer tr.Close()
transport := NewTransport(config)
destHash := []byte("dest")
tr.RegisterDestination(destHash, "test-dest")
// Create some destinations
destHash := randomBytes(16)
transport.NewDestination(nil, OUT, SINGLE, "test_app")
tr.mutex.RLock()
dest, ok := tr.destinations[string(destHash)]
tr.mutex.RUnlock()
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
// Test hops calculation (involves internal data structure access)
_ = transport.HopsTo(destHash)
if !ok || dest != "test-dest" {
t.Error("Destination not registered correctly")
}
}
func TestTransportStatus(t *testing.T) {
tr := NewTransport(&common.ReticulumConfig{})
defer tr.Close()
destHash := []byte("dest")
if tr.PathIsUnresponsive(destHash) {
t.Error("Path should not be unresponsive initially")
}
tr.MarkPathUnresponsive(destHash)
if !tr.PathIsUnresponsive(destHash) {
t.Error("Path should be unresponsive")
}
tr.MarkPathResponsive(destHash)
if tr.PathIsUnresponsive(destHash) {
t.Error("Path should be responsive again")
}
}

476
pkg/wasm/wasm.go Normal file
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@@ -0,0 +1,476 @@
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2024-2026 Sudo-Ivan / Quad4.io
//go:build js && wasm
// +build js,wasm
package wasm
import (
"encoding/hex"
"fmt"
"syscall/js"
"git.quad4.io/Networks/Reticulum-Go/pkg/common"
"git.quad4.io/Networks/Reticulum-Go/pkg/debug"
"git.quad4.io/Networks/Reticulum-Go/pkg/destination"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
"git.quad4.io/Networks/Reticulum-Go/pkg/interfaces"
"git.quad4.io/Networks/Reticulum-Go/pkg/packet"
"git.quad4.io/Networks/Reticulum-Go/pkg/transport"
)
var (
reticulumTransport *transport.Transport
reticulumDest *destination.Destination
reticulumIdentity *identity.Identity
stats = struct {
packetsSent int
packetsReceived int
bytesSent int
bytesReceived int
}{}
packetCallback js.Value
announceHandler js.Value
)
// RegisterJSFunctions registers the Reticulum WASM API to the JavaScript global scope.
func RegisterJSFunctions() {
js.Global().Set("reticulum", js.ValueOf(map[string]interface{}{
"init": js.FuncOf(InitReticulum),
"getIdentity": js.FuncOf(GetIdentity),
"getDestination": js.FuncOf(GetDestination),
"connect": js.FuncOf(ConnectWebSocket),
"disconnect": js.FuncOf(DisconnectWebSocket),
"isConnected": js.FuncOf(IsConnected),
"requestPath": js.FuncOf(RequestPath),
"getStats": js.FuncOf(GetStats),
"setPacketCallback": js.FuncOf(SetPacketCallback),
"setAnnounceCallback": js.FuncOf(SetAnnounceCallback),
"sendData": js.FuncOf(SendDataJS),
"announce": js.FuncOf(SendAnnounceJS),
}))
}
func SetPacketCallback(this js.Value, args []js.Value) interface{} {
if len(args) > 0 && args[0].Type() == js.TypeFunction {
packetCallback = args[0]
return js.ValueOf(true)
}
return js.ValueOf(false)
}
func SetAnnounceCallback(this js.Value, args []js.Value) interface{} {
if len(args) > 0 && args[0].Type() == js.TypeFunction {
announceHandler = args[0]
return js.ValueOf(true)
}
return js.ValueOf(false)
}
func RequestPath(this js.Value, args []js.Value) interface{} {
if len(args) < 1 {
return js.ValueOf(map[string]interface{}{
"error": "Destination hash required",
})
}
destHashHex := args[0].String()
destHash, err := hex.DecodeString(destHashHex)
if err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Invalid destination hash: %v", err),
})
}
if reticulumTransport == nil {
return js.ValueOf(map[string]interface{}{
"error": "Reticulum not initialized",
})
}
if err := reticulumTransport.RequestPath(destHash, "", nil, true); err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Failed to request path: %v", err),
})
}
return js.ValueOf(map[string]interface{}{
"success": true,
})
}
func GetStats(this js.Value, args []js.Value) interface{} {
return js.ValueOf(map[string]interface{}{
"packetsSent": stats.packetsSent,
"packetsReceived": stats.packetsReceived,
"bytesSent": stats.bytesSent,
"bytesReceived": stats.bytesReceived,
})
}
func InitReticulum(this js.Value, args []js.Value) interface{} {
if len(args) < 1 {
return js.ValueOf(map[string]interface{}{
"error": "WebSocket URL required",
})
}
if reticulumTransport != nil {
reticulumTransport.Close()
reticulumTransport = nil
}
wsURL := args[0].String()
appName := "wasm_core"
if len(args) >= 2 && args[1].Type() == js.TypeString {
appName = args[1].String()
}
var id *identity.Identity
var err error
// Check for existing identity in args
if len(args) >= 3 && !args[2].IsNull() && !args[2].IsUndefined() {
idHex := args[2].String()
idBytes, decodeErr := hex.DecodeString(idHex)
if decodeErr == nil && len(idBytes) == 64 {
id, err = identity.FromBytes(idBytes)
if err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to load provided identity, generating new one", "error", err)
id, err = identity.NewIdentity()
}
} else {
id, err = identity.NewIdentity()
}
} else {
id, err = identity.NewIdentity()
}
if err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Failed to handle identity: %v", err),
})
}
cfg := common.DefaultConfig()
t := transport.NewTransport(cfg)
dest, err := destination.New(
id,
destination.IN,
destination.SINGLE,
appName,
t,
"browser",
)
if err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Failed to create destination: %v", err),
})
}
dest.SetPacketCallback(func(data []byte, ni common.NetworkInterface) {
stats.packetsReceived++
stats.bytesReceived += len(data)
if !packetCallback.IsUndefined() {
// Convert bytes to JS Uint8Array for performance and compatibility
uint8Array := js.Global().Get("Uint8Array").New(len(data))
js.CopyBytesToJS(uint8Array, data)
packetCallback.Invoke(uint8Array)
}
})
dest.SetProofStrategy(destination.PROVE_ALL)
t.RegisterAnnounceHandler(&genericAnnounceHandler{})
wsInterface, err := interfaces.NewWebSocketInterface("wasm0", wsURL, true)
if err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Failed to create WebSocket interface: %v", err),
})
}
wsInterface.SetPacketCallback(func(data []byte, ni common.NetworkInterface) {
msg := fmt.Sprintf("Received packet: %d bytes (type: 0x%02x)", len(data), data[0])
js.Global().Call("log", msg, "success")
debug.Log(debug.DEBUG_INFO, "WASM received packet", "bytes", len(data), "type", fmt.Sprintf("0x%02x", data[0]))
t.HandlePacket(data, ni)
})
if err := t.RegisterInterface("wasm0", wsInterface); err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Failed to register interface: %v", err),
})
}
if err := t.Start(); err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Failed to start transport: %v", err),
})
}
reticulumTransport = t
reticulumDest = dest
reticulumIdentity = id
return js.ValueOf(map[string]interface{}{
"success": true,
"identity": id.GetHexHash(),
"privateKey": hex.EncodeToString(id.GetPrivateKey()),
"destination": fmt.Sprintf("%x", dest.GetHash()),
})
}
// GetTransport returns the internal transport pointer.
func GetTransport() *transport.Transport {
return reticulumTransport
}
// GetDestinationPointer returns the internal destination pointer.
func GetDestinationPointer() *destination.Destination {
return reticulumDest
}
func GetIdentity(this js.Value, args []js.Value) interface{} {
if reticulumIdentity == nil {
return js.ValueOf(map[string]interface{}{
"error": "Reticulum not initialized",
})
}
return js.ValueOf(map[string]interface{}{
"hash": reticulumIdentity.GetHexHash(),
})
}
func GetDestination(this js.Value, args []js.Value) interface{} {
if reticulumDest == nil {
return js.ValueOf(map[string]interface{}{
"error": "Reticulum not initialized",
})
}
return js.ValueOf(map[string]interface{}{
"hash": fmt.Sprintf("%x", reticulumDest.GetHash()),
})
}
func IsConnected(this js.Value, args []js.Value) interface{} {
if reticulumTransport == nil {
return js.ValueOf(false)
}
ifaces := reticulumTransport.GetInterfaces()
for _, iface := range ifaces {
if iface.IsOnline() {
return js.ValueOf(true)
}
}
return js.ValueOf(false)
}
func ConnectWebSocket(this js.Value, args []js.Value) interface{} {
if reticulumTransport == nil {
return js.ValueOf(map[string]interface{}{
"error": "Reticulum not initialized",
})
}
ifaces := reticulumTransport.GetInterfaces()
for name, iface := range ifaces {
if iface.IsOnline() {
return js.ValueOf(map[string]interface{}{
"success": true,
"interface": name,
})
}
if err := iface.Start(); err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Failed to connect: %v", err),
})
}
return js.ValueOf(map[string]interface{}{
"success": true,
"interface": name,
})
}
return js.ValueOf(map[string]interface{}{
"error": "WebSocket interface not found",
})
}
func DisconnectWebSocket(this js.Value, args []js.Value) interface{} {
if reticulumTransport == nil {
return js.ValueOf(map[string]interface{}{
"error": "Reticulum not initialized",
})
}
ifaces := reticulumTransport.GetInterfaces()
for _, iface := range ifaces {
if err := iface.Stop(); err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Failed to stop interface: %v", err),
})
}
return js.ValueOf(map[string]interface{}{
"success": true,
})
}
return js.ValueOf(map[string]interface{}{
"error": "WebSocket interface not found",
})
}
type genericAnnounceHandler struct{}
func (h *genericAnnounceHandler) AspectFilter() []string {
return nil
}
func (h *genericAnnounceHandler) ReceivePathResponses() bool {
return false
}
func (h *genericAnnounceHandler) ReceivedAnnounce(destHash []byte, ident interface{}, appData []byte, hops uint8) error {
if !announceHandler.IsUndefined() {
hashStr := hex.EncodeToString(destHash)
announceHandler.Invoke(js.ValueOf(map[string]interface{}{
"hash": hashStr,
"appData": string(appData),
"hops": int(hops),
}))
}
return nil
}
// SendDataJS is the JS-facing wrapper for SendData
func SendDataJS(this js.Value, args []js.Value) interface{} {
if len(args) < 2 {
return js.ValueOf(map[string]interface{}{
"error": "Destination hash and data required",
})
}
destHashHex := args[0].String()
destHash, err := hex.DecodeString(destHashHex)
if err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Invalid destination hash: %v", err),
})
}
// Support both string and Uint8Array data from JS
var data []byte
if args[1].Type() == js.TypeString {
data = []byte(args[1].String())
} else {
data = make([]byte, args[1].Length())
js.CopyBytesToGo(data, args[1])
}
return SendData(destHash, data)
}
// SendData is a generic function to send raw bytes to a destination
func SendData(destHash []byte, data []byte) interface{} {
if reticulumTransport == nil {
return js.ValueOf(map[string]interface{}{
"error": "Reticulum not initialized",
})
}
remoteIdentity, err := identity.Recall(destHash)
if err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Identity not found. Wait for an announce from this peer!"),
})
}
targetDest, err := destination.FromHash(destHash, remoteIdentity, destination.SINGLE, reticulumTransport)
if err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Failed to create target destination: %v", err),
})
}
encrypted, err := targetDest.Encrypt(data)
if err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Encryption failed: %v", err),
})
}
pkt := packet.NewPacket(
packet.DestinationSingle,
encrypted,
packet.PacketTypeData,
packet.ContextNone,
packet.PropagationBroadcast,
packet.HeaderType1,
nil,
true,
packet.FlagUnset,
)
pkt.DestinationHash = destHash
if err := pkt.Pack(); err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Packet packing failed: %v", err),
})
}
if err := reticulumTransport.SendPacket(pkt); err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Packet sending failed: %v", err),
})
}
stats.packetsSent++
stats.bytesSent += len(data)
return js.ValueOf(map[string]interface{}{
"success": true,
})
}
// SendAnnounceJS is the JS-facing wrapper for SendAnnounce
func SendAnnounceJS(this js.Value, args []js.Value) interface{} {
var appData []byte
if len(args) >= 1 && args[0].Type() == js.TypeString {
appData = []byte(args[0].String())
} else if len(args) >= 1 && args[0].Type() == js.TypeObject {
appData = make([]byte, args[0].Length())
js.CopyBytesToGo(appData, args[0])
}
return SendAnnounce(appData)
}
// SendAnnounce is a generic function to send an announce
func SendAnnounce(appData []byte) interface{} {
if reticulumDest == nil {
return js.ValueOf(map[string]interface{}{
"error": "Reticulum not initialized",
})
}
if len(appData) > 0 {
reticulumDest.SetDefaultAppData(appData)
}
if err := reticulumDest.Announce(false, nil, nil); err != nil {
return js.ValueOf(map[string]interface{}{
"error": fmt.Sprintf("Failed to send announce: %v", err),
})
}
return js.ValueOf(map[string]interface{}{
"success": true,
})
}

147
pkg/wasm/wasm_test.go Normal file
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@@ -0,0 +1,147 @@
//go:build js && wasm
// +build js,wasm
package wasm
import (
"encoding/hex"
"fmt"
"syscall/js"
"testing"
"git.quad4.io/Networks/Reticulum-Go/pkg/identity"
)
func TestRegisterJSFunctions(t *testing.T) {
RegisterJSFunctions()
reticulum := js.Global().Get("reticulum")
if reticulum.IsUndefined() {
t.Fatal("reticulum object not registered in global scope")
}
functions := []string{
"init", "getIdentity", "getDestination", "announce",
"connect", "disconnect", "isConnected", "requestPath", "getStats",
"setPacketCallback", "setAnnounceCallback", "sendData",
}
for _, fn := range functions {
if reticulum.Get(fn).Type() != js.TypeFunction {
t.Errorf("function %s not registered or not a function", fn)
}
}
}
func TestGetStats(t *testing.T) {
// Reset stats
stats.packetsSent = 10
stats.packetsReceived = 5
stats.bytesSent = 100
stats.bytesReceived = 50
result := GetStats(js.Undefined(), nil)
val := result.(js.Value)
if val.Get("packetsSent").Int() != 10 {
t.Errorf("expected packetsSent 10, got %d", val.Get("packetsSent").Int())
}
if val.Get("packetsReceived").Int() != 5 {
t.Errorf("expected packetsReceived 5, got %d", val.Get("packetsReceived").Int())
}
}
func TestIsConnected(t *testing.T) {
reticulumTransport = nil
connected := IsConnected(js.Undefined(), nil).(js.Value).Bool()
if connected {
t.Error("expected connected to be false when transport is nil")
}
}
func TestInitReticulum(t *testing.T) {
// Mock JS global functions
js.Global().Set("log", js.FuncOf(func(this js.Value, args []js.Value) interface{} { return nil }))
// Test without arguments
result := InitReticulum(js.Undefined(), []js.Value{})
val := result.(js.Value)
if val.Get("error").IsUndefined() || val.Get("error").String() != "WebSocket URL required" {
t.Errorf("expected error 'WebSocket URL required', got %v", val.Get("error"))
}
// Test with valid URL and app name
wsURL := "ws://localhost:8080"
appName := "test_app"
result = InitReticulum(js.Undefined(), []js.Value{js.ValueOf(wsURL), js.ValueOf(appName)})
val = result.(js.Value)
if !val.Get("success").Bool() {
t.Errorf("InitReticulum failed: %v", val.Get("error"))
}
if reticulumIdentity == nil {
t.Fatal("reticulumIdentity should not be nil after successful init")
}
// Test with provided identity
id, _ := identity.NewIdentity()
idHex := id.GetHexHash()
// InitReticulum expects the FULL identity bytes in hex (64 bytes).
idBytes := id.GetPrivateKey()
idHexFull := hex.EncodeToString(idBytes)
result = InitReticulum(js.Undefined(), []js.Value{js.ValueOf(wsURL), js.ValueOf(appName), js.ValueOf(idHexFull)})
val = result.(js.Value)
if !val.Get("success").Bool() {
t.Errorf("InitReticulum with identity failed: %v", val.Get("error"))
}
if reticulumIdentity.GetHexHash() != idHex {
t.Errorf("expected identity hash %s, got %s", idHex, reticulumIdentity.GetHexHash())
}
}
func TestIdentityAndDestination(t *testing.T) {
// Ensure initialized
js.Global().Set("log", js.FuncOf(func(this js.Value, args []js.Value) interface{} { return nil }))
InitReticulum(js.Undefined(), []js.Value{js.ValueOf("ws://localhost")})
idResult := GetIdentity(js.Undefined(), nil).(js.Value)
if idResult.Get("hash").String() != reticulumIdentity.GetHexHash() {
t.Error("GetIdentity returned wrong hash")
}
destResult := GetDestination(js.Undefined(), nil).(js.Value)
expectedDest := fmt.Sprintf("%x", reticulumDest.GetHash())
if destResult.Get("hash").String() != expectedDest {
t.Errorf("GetDestination returned wrong hash, expected %s got %s", expectedDest, destResult.Get("hash").String())
}
}
func TestSendDataJS(t *testing.T) {
// Ensure initialized
InitReticulum(js.Undefined(), []js.Value{js.ValueOf("ws://localhost")})
// Create a mock peer
peerId, _ := identity.NewIdentity()
peerHash := peerId.Hash()
peerHashHex := hex.EncodeToString(peerHash)
// Manually add to known destinations so Recall works
identity.Remember([]byte("mock_packet"), peerHash, peerId.GetPublicKey(), []byte("peer_app_data"))
// Test SendDataJS with string
data := "Hello Peer!"
result := SendDataJS(js.Undefined(), []js.Value{js.ValueOf(peerHashHex), js.ValueOf(data)}).(js.Value)
if !result.Get("error").IsUndefined() {
errStr := result.Get("error").String()
if errStr != "Packet sending failed: no path to destination" {
t.Errorf("SendDataJS failed with unexpected error: %s", errStr)
}
} else if !result.Get("success").Bool() {
t.Errorf("SendDataJS failed without error message")
}
}