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1 Commits

Author SHA1 Message Date
Maycon Santos
355bab9bb4 set command with cursor 2025-07-02 12:20:43 +02:00
200 changed files with 5601 additions and 7526 deletions

View File

@@ -16,6 +16,6 @@ jobs:
steps:
- uses: actions/checkout@v4
- uses: git-town/action@v1.2.1
- uses: git-town/action@v1
with:
skip-single-stacks: true
skip-single-stacks: true

View File

@@ -43,7 +43,7 @@ jobs:
- name: gomobile init
run: gomobile init
- name: build android netbird lib
run: PATH=$PATH:$(go env GOPATH) gomobile bind -o $GITHUB_WORKSPACE/netbird.aar -javapkg=io.netbird.gomobile -ldflags="-checklinkname=0 -X golang.zx2c4.com/wireguard/ipc.socketDirectory=/data/data/io.netbird.client/cache/wireguard -X github.com/netbirdio/netbird/version.version=buildtest" $GITHUB_WORKSPACE/client/android
run: PATH=$PATH:$(go env GOPATH) gomobile bind -o $GITHUB_WORKSPACE/netbird.aar -javapkg=io.netbird.gomobile -ldflags="-X golang.zx2c4.com/wireguard/ipc.socketDirectory=/data/data/io.netbird.client/cache/wireguard -X github.com/netbirdio/netbird/version.version=buildtest" $GITHUB_WORKSPACE/client/android
env:
CGO_ENABLED: 0
ANDROID_NDK_HOME: /usr/local/lib/android/sdk/ndk/23.1.7779620

View File

@@ -9,7 +9,7 @@ on:
pull_request:
env:
SIGN_PIPE_VER: "v0.0.21"
SIGN_PIPE_VER: "v0.0.20"
GORELEASER_VER: "v2.3.2"
PRODUCT_NAME: "NetBird"
COPYRIGHT: "NetBird GmbH"
@@ -231,17 +231,3 @@ jobs:
ref: ${{ env.SIGN_PIPE_VER }}
token: ${{ secrets.SIGN_GITHUB_TOKEN }}
inputs: '{ "tag": "${{ github.ref }}", "skipRelease": false }'
post_on_forum:
runs-on: ubuntu-latest
continue-on-error: true
needs: [trigger_signer]
steps:
- uses: Codixer/discourse-topic-github-release-action@v2.0.1
with:
discourse-api-key: ${{ secrets.DISCOURSE_RELEASES_API_KEY }}
discourse-base-url: https://forum.netbird.io
discourse-author-username: NetBird
discourse-category: 17
discourse-tags:
releases

View File

@@ -14,9 +14,6 @@
<br>
<a href="https://docs.netbird.io/slack-url">
<img src="https://img.shields.io/badge/slack-@netbird-red.svg?logo=slack"/>
</a>
<a href="https://forum.netbird.io">
<img src="https://img.shields.io/badge/community forum-@netbird-red.svg?logo=discourse"/>
</a>
<br>
<a href="https://gurubase.io/g/netbird">
@@ -32,13 +29,13 @@
<br/>
See <a href="https://netbird.io/docs/">Documentation</a>
<br/>
Join our <a href="https://docs.netbird.io/slack-url">Slack channel</a> or our <a href="https://forum.netbird.io">Community forum</a>
Join our <a href="https://docs.netbird.io/slack-url">Slack channel</a>
<br/>
</strong>
<br>
<a href="https://registry.terraform.io/providers/netbirdio/netbird/latest">
New: NetBird terraform provider
<a href="https://github.com/netbirdio/kubernetes-operator">
New: NetBird Kubernetes Operator
</a>
</p>
@@ -50,9 +47,10 @@
**Secure.** NetBird enables secure remote access by applying granular access policies while allowing you to manage them intuitively from a single place. Works universally on any infrastructure.
### Open Source Network Security in a Single Platform
### Open-Source Network Security in a Single Platform
<img width="1188" alt="centralized-network-management 1" src="https://github.com/user-attachments/assets/c28cc8e4-15d2-4d2f-bb97-a6433db39d56" />
![netbird_2](https://github.com/netbirdio/netbird/assets/700848/46bc3b73-508d-4a0e-bb9a-f465d68646ab)
### NetBird on Lawrence Systems (Video)
[![Watch the video](https://img.youtube.com/vi/Kwrff6h0rEw/0.jpg)](https://www.youtube.com/watch?v=Kwrff6h0rEw)
@@ -136,3 +134,37 @@ We use open-source technologies like [WireGuard®](https://www.wireguard.com/),
### Legal
_WireGuard_ and the _WireGuard_ logo are [registered trademarks](https://www.wireguard.com/trademark-policy/) of Jason A. Donenfeld.
## Configuration Management
Netbird now supports direct configuration management via CLI commands:
- You can use `netbird set` as a regular user if the daemon is running; it will securely update the config via the daemon.
- If the daemon is not running, you need write access to the config file (typically requires root).
### Set a configuration value
```
netbird set <setting> <value>
# or using environment variables
NB_INTERFACE_NAME=utun5 netbird set interface-name
```
### Get a configuration value
```
netbird get <setting>
# or using environment variables
NB_INTERFACE_NAME=utun5 netbird get interface-name
```
### Show all configuration values
```
netbird show
```
- All settings support environment variable overrides: `NB_<SETTING>` or `WT_<SETTING>` (e.g. `NB_ENABLE_ROSENPASS=true`).
- Supported settings: management-url, admin-url, interface-name, external-ip-map, extra-iface-blacklist, dns-resolver-address, extra-dns-labels, preshared-key, enable-rosenpass, rosenpass-permissive, allow-server-ssh, network-monitor, disable-auto-connect, disable-client-routes, disable-server-routes, disable-dns, disable-firewall, block-lan-access, block-inbound, enable-lazy-connection, wireguard-port, dns-router-interval.
See `netbird set --help`, `netbird get --help`, and `netbird show --help` for more details.

View File

@@ -64,9 +64,7 @@ type Client struct {
}
// NewClient instantiate a new Client
func NewClient(cfgFile string, androidSDKVersion int, deviceName string, uiVersion string, tunAdapter TunAdapter, iFaceDiscover IFaceDiscover, networkChangeListener NetworkChangeListener) *Client {
execWorkaround(androidSDKVersion)
func NewClient(cfgFile, deviceName string, uiVersion string, tunAdapter TunAdapter, iFaceDiscover IFaceDiscover, networkChangeListener NetworkChangeListener) *Client {
net.SetAndroidProtectSocketFn(tunAdapter.ProtectSocket)
return &Client{
cfgFile: cfgFile,
@@ -205,10 +203,8 @@ func (c *Client) Networks() *NetworkArray {
continue
}
r := routes[0]
netStr := r.Network.String()
if r.IsDynamic() {
netStr = r.Domains.SafeString()
if routes[0].IsDynamic() {
continue
}
peer, err := c.recorder.GetPeer(routes[0].Peer)
@@ -218,7 +214,7 @@ func (c *Client) Networks() *NetworkArray {
}
network := Network{
Name: string(id),
Network: netStr,
Network: routes[0].Network.String(),
Peer: peer.FQDN,
Status: peer.ConnStatus.String(),
}

View File

@@ -1,26 +0,0 @@
//go:build android
package android
import (
"fmt"
_ "unsafe"
)
// https://github.com/golang/go/pull/69543/commits/aad6b3b32c81795f86bc4a9e81aad94899daf520
// In Android version 11 and earlier, pidfd-related system calls
// are not allowed by the seccomp policy, which causes crashes due
// to SIGSYS signals.
//go:linkname checkPidfdOnce os.checkPidfdOnce
var checkPidfdOnce func() error
func execWorkaround(androidSDKVersion int) {
if androidSDKVersion > 30 { // above Android 11
return
}
checkPidfdOnce = func() error {
return fmt.Errorf("unsupported Android version")
}
}

View File

@@ -17,18 +17,10 @@ import (
"github.com/netbirdio/netbird/client/server"
nbstatus "github.com/netbirdio/netbird/client/status"
mgmProto "github.com/netbirdio/netbird/management/proto"
"github.com/netbirdio/netbird/upload-server/types"
)
const errCloseConnection = "Failed to close connection: %v"
var (
logFileCount uint32
systemInfoFlag bool
uploadBundleFlag bool
uploadBundleURLFlag string
)
var debugCmd = &cobra.Command{
Use: "debug",
Short: "Debugging commands",
@@ -96,13 +88,12 @@ func debugBundle(cmd *cobra.Command, _ []string) error {
client := proto.NewDaemonServiceClient(conn)
request := &proto.DebugBundleRequest{
Anonymize: anonymizeFlag,
Status: getStatusOutput(cmd, anonymizeFlag),
SystemInfo: systemInfoFlag,
LogFileCount: logFileCount,
Anonymize: anonymizeFlag,
Status: getStatusOutput(cmd, anonymizeFlag),
SystemInfo: debugSystemInfoFlag,
}
if uploadBundleFlag {
request.UploadURL = uploadBundleURLFlag
if debugUploadBundle {
request.UploadURL = debugUploadBundleURL
}
resp, err := client.DebugBundle(cmd.Context(), request)
if err != nil {
@@ -114,7 +105,7 @@ func debugBundle(cmd *cobra.Command, _ []string) error {
return fmt.Errorf("upload failed: %s", resp.GetUploadFailureReason())
}
if uploadBundleFlag {
if debugUploadBundle {
cmd.Printf("Upload file key:\n%s\n", resp.GetUploadedKey())
}
@@ -232,13 +223,12 @@ func runForDuration(cmd *cobra.Command, args []string) error {
headerPreDown := fmt.Sprintf("----- Netbird pre-down - Timestamp: %s - Duration: %s", time.Now().Format(time.RFC3339), duration)
statusOutput = fmt.Sprintf("%s\n%s\n%s", statusOutput, headerPreDown, getStatusOutput(cmd, anonymizeFlag))
request := &proto.DebugBundleRequest{
Anonymize: anonymizeFlag,
Status: statusOutput,
SystemInfo: systemInfoFlag,
LogFileCount: logFileCount,
Anonymize: anonymizeFlag,
Status: statusOutput,
SystemInfo: debugSystemInfoFlag,
}
if uploadBundleFlag {
request.UploadURL = uploadBundleURLFlag
if debugUploadBundle {
request.UploadURL = debugUploadBundleURL
}
resp, err := client.DebugBundle(cmd.Context(), request)
if err != nil {
@@ -265,7 +255,7 @@ func runForDuration(cmd *cobra.Command, args []string) error {
return fmt.Errorf("upload failed: %s", resp.GetUploadFailureReason())
}
if uploadBundleFlag {
if debugUploadBundle {
cmd.Printf("Upload file key:\n%s\n", resp.GetUploadedKey())
}
@@ -307,7 +297,7 @@ func getStatusOutput(cmd *cobra.Command, anon bool) string {
cmd.PrintErrf("Failed to get status: %v\n", err)
} else {
statusOutputString = nbstatus.ParseToFullDetailSummary(
nbstatus.ConvertToStatusOutputOverview(statusResp, anon, "", nil, nil, nil, ""),
nbstatus.ConvertToStatusOutputOverview(statusResp, anon, "", nil, nil, nil),
)
}
return statusOutputString
@@ -385,15 +375,3 @@ func generateDebugBundle(config *internal.Config, recorder *peer.Status, connect
}
log.Infof("Generated debug bundle from SIGUSR1 at: %s", path)
}
func init() {
debugBundleCmd.Flags().Uint32VarP(&logFileCount, "log-file-count", "C", 1, "Number of rotated log files to include in debug bundle")
debugBundleCmd.Flags().BoolVarP(&systemInfoFlag, "system-info", "S", true, "Adds system information to the debug bundle")
debugBundleCmd.Flags().BoolVarP(&uploadBundleFlag, "upload-bundle", "U", false, "Uploads the debug bundle to a server")
debugBundleCmd.Flags().StringVar(&uploadBundleURLFlag, "upload-bundle-url", types.DefaultBundleURL, "Service URL to get an URL to upload the debug bundle")
forCmd.Flags().Uint32VarP(&logFileCount, "log-file-count", "C", 1, "Number of rotated log files to include in debug bundle")
forCmd.Flags().BoolVarP(&systemInfoFlag, "system-info", "S", true, "Adds system information to the debug bundle")
forCmd.Flags().BoolVarP(&uploadBundleFlag, "upload-bundle", "U", false, "Uploads the debug bundle to a server")
forCmd.Flags().StringVar(&uploadBundleURLFlag, "upload-bundle-url", types.DefaultBundleURL, "Service URL to get an URL to upload the debug bundle")
}

View File

@@ -22,6 +22,8 @@ import (
"google.golang.org/grpc/credentials/insecure"
"github.com/netbirdio/netbird/client/internal"
"github.com/netbirdio/netbird/client/proto"
"github.com/netbirdio/netbird/upload-server/types"
)
const (
@@ -37,7 +39,10 @@ const (
serverSSHAllowedFlag = "allow-server-ssh"
extraIFaceBlackListFlag = "extra-iface-blacklist"
dnsRouteIntervalFlag = "dns-router-interval"
systemInfoFlag = "system-info"
enableLazyConnectionFlag = "enable-lazy-connection"
uploadBundle = "upload-bundle"
uploadBundleURL = "upload-bundle-url"
)
var (
@@ -71,7 +76,10 @@ var (
autoConnectDisabled bool
extraIFaceBlackList []string
anonymizeFlag bool
debugSystemInfoFlag bool
dnsRouteInterval time.Duration
debugUploadBundle bool
debugUploadBundleURL string
lazyConnEnabled bool
rootCmd = &cobra.Command{
@@ -80,6 +88,30 @@ var (
Long: "",
SilenceUsage: true,
}
getCmd = &cobra.Command{
Use: "get <setting>",
Short: "Get a configuration value from the config file",
Long: `Get a configuration value from the Netbird config file. You can also use NB_<SETTING> or WT_<SETTING> environment variables to override the value (same as 'set').`,
Args: cobra.ExactArgs(1),
RunE: getFunc,
}
showCmd = &cobra.Command{
Use: "show",
Short: "Show all configuration values",
Long: `Show all configuration values from the Netbird config file, with environment variable overrides if present.`,
Args: cobra.NoArgs,
RunE: showFunc,
}
reloadCmd = &cobra.Command{
Use: "reload",
Short: "Reload the configuration in the daemon (daemon mode)",
Long: `Reload the configuration from disk in the running daemon. Use after 'set' to apply changes without restarting the service.`,
Args: cobra.NoArgs,
RunE: reloadFunc,
}
)
// Execute executes the root command.
@@ -145,6 +177,9 @@ func init() {
rootCmd.AddCommand(networksCMD)
rootCmd.AddCommand(forwardingRulesCmd)
rootCmd.AddCommand(debugCmd)
rootCmd.AddCommand(getCmd)
rootCmd.AddCommand(showCmd)
rootCmd.AddCommand(reloadCmd)
serviceCmd.AddCommand(runCmd, startCmd, stopCmd, restartCmd) // service control commands are subcommands of service
serviceCmd.AddCommand(installCmd, uninstallCmd) // service installer commands are subcommands of service
@@ -177,8 +212,11 @@ func init() {
upCmd.PersistentFlags().BoolVar(&rosenpassPermissive, rosenpassPermissiveFlag, false, "[Experimental] Enable Rosenpass in permissive mode to allow this peer to accept WireGuard connections without requiring Rosenpass functionality from peers that do not have Rosenpass enabled.")
upCmd.PersistentFlags().BoolVar(&serverSSHAllowed, serverSSHAllowedFlag, false, "Allow SSH server on peer. If enabled, the SSH server will be permitted")
upCmd.PersistentFlags().BoolVar(&autoConnectDisabled, disableAutoConnectFlag, false, "Disables auto-connect feature. If enabled, then the client won't connect automatically when the service starts.")
upCmd.PersistentFlags().BoolVar(&lazyConnEnabled, enableLazyConnectionFlag, false, "[Experimental] Enable the lazy connection feature. If enabled, the client will establish connections on-demand. Note: this setting may be overridden by management configuration.")
upCmd.PersistentFlags().BoolVar(&lazyConnEnabled, enableLazyConnectionFlag, false, "[Experimental] Enable the lazy connection feature. If enabled, the client will establish connections on-demand.")
debugCmd.PersistentFlags().BoolVarP(&debugSystemInfoFlag, systemInfoFlag, "S", true, "Adds system information to the debug bundle")
debugCmd.PersistentFlags().BoolVarP(&debugUploadBundle, uploadBundle, "U", false, fmt.Sprintf("Uploads the debug bundle to a server from URL defined by %s", uploadBundleURL))
debugCmd.PersistentFlags().StringVar(&debugUploadBundleURL, uploadBundleURL, types.DefaultBundleURL, "Service URL to get an URL to upload the debug bundle")
}
// SetupCloseHandler handles SIGTERM signal and exits with success
@@ -398,3 +436,167 @@ func getClient(cmd *cobra.Command) (*grpc.ClientConn, error) {
return conn, nil
}
func getFunc(cmd *cobra.Command, args []string) error {
setting := args[0]
upper := strings.ToUpper(strings.ReplaceAll(setting, "-", "_"))
if v, ok := os.LookupEnv("NB_" + upper); ok {
cmd.Println(v)
return nil
} else if v, ok := os.LookupEnv("WT_" + upper); ok {
cmd.Println(v)
return nil
}
config, err := internal.ReadConfig(configPath)
if err != nil {
return fmt.Errorf("failed to read config: %v", err)
}
switch setting {
case "management-url":
cmd.Println(config.ManagementURL.String())
case "admin-url":
cmd.Println(config.AdminURL.String())
case "interface-name":
cmd.Println(config.WgIface)
case "external-ip-map":
cmd.Println(strings.Join(config.NATExternalIPs, ","))
case "extra-iface-blacklist":
cmd.Println(strings.Join(config.IFaceBlackList, ","))
case "dns-resolver-address":
cmd.Println(config.CustomDNSAddress)
case "extra-dns-labels":
cmd.Println(config.DNSLabels.SafeString())
case "preshared-key":
cmd.Println(config.PreSharedKey)
case "enable-rosenpass":
cmd.Println(config.RosenpassEnabled)
case "rosenpass-permissive":
cmd.Println(config.RosenpassPermissive)
case "allow-server-ssh":
if config.ServerSSHAllowed != nil {
cmd.Println(*config.ServerSSHAllowed)
} else {
cmd.Println(false)
}
case "network-monitor":
if config.NetworkMonitor != nil {
cmd.Println(*config.NetworkMonitor)
} else {
cmd.Println(false)
}
case "disable-auto-connect":
cmd.Println(config.DisableAutoConnect)
case "disable-client-routes":
cmd.Println(config.DisableClientRoutes)
case "disable-server-routes":
cmd.Println(config.DisableServerRoutes)
case "disable-dns":
cmd.Println(config.DisableDNS)
case "disable-firewall":
cmd.Println(config.DisableFirewall)
case "block-lan-access":
cmd.Println(config.BlockLANAccess)
case "block-inbound":
cmd.Println(config.BlockInbound)
case "enable-lazy-connection":
cmd.Println(config.LazyConnectionEnabled)
case "wireguard-port":
cmd.Println(config.WgPort)
case "dns-router-interval":
cmd.Println(config.DNSRouteInterval)
default:
return fmt.Errorf("unknown setting: %s", setting)
}
return nil
}
func showFunc(cmd *cobra.Command, args []string) error {
config, err := internal.ReadConfig(configPath)
if err != nil {
return fmt.Errorf("failed to read config: %v", err)
}
settings := []string{
"management-url", "admin-url", "interface-name", "external-ip-map", "extra-iface-blacklist", "dns-resolver-address", "extra-dns-labels", "preshared-key", "enable-rosenpass", "rosenpass-permissive", "allow-server-ssh", "network-monitor", "disable-auto-connect", "disable-client-routes", "disable-server-routes", "disable-dns", "disable-firewall", "block-lan-access", "block-inbound", "enable-lazy-connection", "wireguard-port", "dns-router-interval",
}
for _, setting := range settings {
upper := strings.ToUpper(strings.ReplaceAll(setting, "-", "_"))
var val string
if v, ok := os.LookupEnv("NB_" + upper); ok {
val = v + " (from NB_ env)"
} else if v, ok := os.LookupEnv("WT_" + upper); ok {
val = v + " (from WT_ env)"
} else {
switch setting {
case "management-url":
val = config.ManagementURL.String()
case "admin-url":
val = config.AdminURL.String()
case "interface-name":
val = config.WgIface
case "external-ip-map":
val = strings.Join(config.NATExternalIPs, ",")
case "extra-iface-blacklist":
val = strings.Join(config.IFaceBlackList, ",")
case "dns-resolver-address":
val = config.CustomDNSAddress
case "extra-dns-labels":
val = config.DNSLabels.SafeString()
case "preshared-key":
val = config.PreSharedKey
case "enable-rosenpass":
val = fmt.Sprintf("%v", config.RosenpassEnabled)
case "rosenpass-permissive":
val = fmt.Sprintf("%v", config.RosenpassPermissive)
case "allow-server-ssh":
if config.ServerSSHAllowed != nil {
val = fmt.Sprintf("%v", *config.ServerSSHAllowed)
} else {
val = "false"
}
case "network-monitor":
if config.NetworkMonitor != nil {
val = fmt.Sprintf("%v", *config.NetworkMonitor)
} else {
val = "false"
}
case "disable-auto-connect":
val = fmt.Sprintf("%v", config.DisableAutoConnect)
case "disable-client-routes":
val = fmt.Sprintf("%v", config.DisableClientRoutes)
case "disable-server-routes":
val = fmt.Sprintf("%v", config.DisableServerRoutes)
case "disable-dns":
val = fmt.Sprintf("%v", config.DisableDNS)
case "disable-firewall":
val = fmt.Sprintf("%v", config.DisableFirewall)
case "block-lan-access":
val = fmt.Sprintf("%v", config.BlockLANAccess)
case "block-inbound":
val = fmt.Sprintf("%v", config.BlockInbound)
case "enable-lazy-connection":
val = fmt.Sprintf("%v", config.LazyConnectionEnabled)
case "wireguard-port":
val = fmt.Sprintf("%d", config.WgPort)
case "dns-router-interval":
val = config.DNSRouteInterval.String()
}
}
cmd.Printf("%-22s: %s\n", setting, val)
}
return nil
}
func reloadFunc(cmd *cobra.Command, args []string) error {
conn, err := getClient(cmd)
if err != nil {
return err
}
defer conn.Close()
client := proto.NewDaemonServiceClient(conn)
_, err = client.ReloadConfig(cmd.Context(), &proto.ReloadConfigRequest{})
if err != nil {
return fmt.Errorf("failed to reload config in daemon: %v", err)
}
cmd.Println("Configuration reloaded in daemon.")
return nil
}

475
client/cmd/set.go Normal file
View File

@@ -0,0 +1,475 @@
package cmd
import (
"fmt"
"os"
osuser "os/user"
"strings"
"time"
"github.com/netbirdio/netbird/client/internal"
"github.com/netbirdio/netbird/client/proto"
"github.com/netbirdio/netbird/management/domain"
"github.com/spf13/cobra"
"google.golang.org/grpc/status"
)
var setCmd = &cobra.Command{
Use: "set <setting> <value>",
Short: "Set a configuration value without running up",
Long: `Set a configuration value in the Netbird config file without running 'up'.
You can also set values via environment variables NB_<SETTING> or WT_<SETTING> (e.g. NB_INTERFACE_NAME=utun5 netbird set interface-name).
Supported settings:
management-url (string) e.g. https://api.netbird.io:443
admin-url (string) e.g. https://app.netbird.io:443
interface-name (string) e.g. utun5
external-ip-map (list) comma-separated, e.g. 12.34.56.78,12.34.56.79/eth0
extra-iface-blacklist (list) comma-separated, e.g. eth1,eth2
dns-resolver-address (string) e.g. 127.0.0.1:5053
extra-dns-labels (list) comma-separated, e.g. vpc1,mgmt1
preshared-key (string)
enable-rosenpass (bool) true/false
rosenpass-permissive (bool) true/false
allow-server-ssh (bool) true/false
network-monitor (bool) true/false
disable-auto-connect (bool) true/false
disable-client-routes (bool) true/false
disable-server-routes (bool) true/false
disable-dns (bool) true/false
disable-firewall (bool) true/false
block-lan-access (bool) true/false
block-inbound (bool) true/false
enable-lazy-connection (bool) true/false
wireguard-port (int) e.g. 51820
dns-router-interval (duration) e.g. 1m, 30s
Examples:
NB_INTERFACE_NAME=utun5 netbird set interface-name
netbird set wireguard-port 51820
netbird set external-ip-map 12.34.56.78,12.34.56.79/eth0
netbird set enable-rosenpass true
netbird set dns-router-interval 2m
netbird set extra-dns-labels vpc1,mgmt1
netbird set disable-firewall true
`,
Args: cobra.ExactArgs(2),
RunE: setFunc,
}
func init() {
rootCmd.AddCommand(setCmd)
}
func setFunc(cmd *cobra.Command, args []string) error {
setting := args[0]
var value string
// Check environment variables first
upper := strings.ToUpper(strings.ReplaceAll(setting, "-", "_"))
if v, ok := os.LookupEnv("NB_" + upper); ok {
value = v
} else if v, ok := os.LookupEnv("WT_" + upper); ok {
value = v
} else {
if len(args) < 2 {
return fmt.Errorf("missing value for setting %s", setting)
}
value = args[1]
}
// If not root, try to use the daemon (only if cmd is not nil)
if cmd != nil {
if u, err := osuser.Current(); err == nil && u.Uid != "0" {
conn, err := getClient(cmd)
if err == nil {
defer conn.Close()
client := proto.NewDaemonServiceClient(conn)
_, err = client.SetConfigValue(cmd.Context(), &proto.SetConfigValueRequest{Setting: setting, Value: value})
if err == nil {
if cmd != nil {
cmd.Println("Configuration updated via daemon.")
} else {
fmt.Println("Configuration updated via daemon.")
}
return nil
}
if s, ok := status.FromError(err); ok {
return fmt.Errorf("daemon error: %v", s.Message())
}
return fmt.Errorf("failed to update config via daemon: %v", err)
}
// else: fall back to direct file write
}
}
switch setting {
case "management-url":
input := internal.ConfigInput{ConfigPath: configPath, ManagementURL: value}
_, err := internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set management-url: %v", err)
}
if cmd != nil {
cmd.Printf("Set management-url to: %s\n", value)
} else {
fmt.Printf("Set management-url to: %s\n", value)
}
case "admin-url":
input := internal.ConfigInput{ConfigPath: configPath, AdminURL: value}
_, err := internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set admin-url: %v", err)
}
if cmd != nil {
cmd.Printf("Set admin-url to: %s\n", value)
} else {
fmt.Printf("Set admin-url to: %s\n", value)
}
case "interface-name":
if err := parseInterfaceName(value); err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, InterfaceName: &value}
_, err := internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set interface-name: %v", err)
}
if cmd != nil {
cmd.Printf("Set interface-name to: %s\n", value)
} else {
fmt.Printf("Set interface-name to: %s\n", value)
}
case "external-ip-map":
var ips []string
if value == "" {
ips = []string{}
} else {
ips = strings.Split(value, ",")
}
if err := validateNATExternalIPs(ips); err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, NATExternalIPs: ips}
_, err := internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set external-ip-map: %v", err)
}
if cmd != nil {
cmd.Printf("Set external-ip-map to: %v\n", ips)
} else {
fmt.Printf("Set external-ip-map to: %v\n", ips)
}
case "extra-iface-blacklist":
var ifaces []string
if value == "" {
ifaces = []string{}
} else {
ifaces = strings.Split(value, ",")
}
input := internal.ConfigInput{ConfigPath: configPath, ExtraIFaceBlackList: ifaces}
_, err := internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set extra-iface-blacklist: %v", err)
}
if cmd != nil {
cmd.Printf("Set extra-iface-blacklist to: %v\n", ifaces)
} else {
fmt.Printf("Set extra-iface-blacklist to: %v\n", ifaces)
}
case "dns-resolver-address":
if value != "" && !isValidAddrPort(value) {
return fmt.Errorf("%s is invalid, it should be formatted as IP:Port string or as an empty string like \"\"", value)
}
input := internal.ConfigInput{ConfigPath: configPath, CustomDNSAddress: []byte(value)}
_, err := internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set dns-resolver-address: %v", err)
}
if cmd != nil {
cmd.Printf("Set dns-resolver-address to: %s\n", value)
} else {
fmt.Printf("Set dns-resolver-address to: %s\n", value)
}
case "extra-dns-labels":
var labels []string
if value == "" {
labels = []string{}
} else {
labels = strings.Split(value, ",")
}
domains, err := domain.ValidateDomains(labels)
if err != nil {
return fmt.Errorf("invalid DNS labels: %v", err)
}
input := internal.ConfigInput{ConfigPath: configPath, DNSLabels: domains}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set extra-dns-labels: %v", err)
}
if cmd != nil {
cmd.Printf("Set extra-dns-labels to: %v\n", labels)
} else {
fmt.Printf("Set extra-dns-labels to: %v\n", labels)
}
case "preshared-key":
input := internal.ConfigInput{ConfigPath: configPath, PreSharedKey: &value}
_, err := internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set preshared-key: %v", err)
}
if cmd != nil {
cmd.Printf("Set preshared-key to: %s\n", value)
} else {
fmt.Printf("Set preshared-key to: %s\n", value)
}
case "hostname":
// Hostname is not persisted in config, so just print a warning
if cmd != nil {
cmd.Printf("Warning: hostname is not persisted in config. Use --hostname with up command.\n")
} else {
fmt.Printf("Warning: hostname is not persisted in config. Use --hostname with up command.\n")
}
case "enable-rosenpass":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, RosenpassEnabled: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set enable-rosenpass: %v", err)
}
if cmd != nil {
cmd.Printf("Set enable-rosenpass to: %v\n", b)
} else {
fmt.Printf("Set enable-rosenpass to: %v\n", b)
}
case "rosenpass-permissive":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, RosenpassPermissive: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set rosenpass-permissive: %v", err)
}
if cmd != nil {
cmd.Printf("Set rosenpass-permissive to: %v\n", b)
} else {
fmt.Printf("Set rosenpass-permissive to: %v\n", b)
}
case "allow-server-ssh":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, ServerSSHAllowed: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set allow-server-ssh: %v", err)
}
if cmd != nil {
cmd.Printf("Set allow-server-ssh to: %v\n", b)
} else {
fmt.Printf("Set allow-server-ssh to: %v\n", b)
}
case "network-monitor":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, NetworkMonitor: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set network-monitor: %v", err)
}
if cmd != nil {
cmd.Printf("Set network-monitor to: %v\n", b)
} else {
fmt.Printf("Set network-monitor to: %v\n", b)
}
case "disable-auto-connect":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, DisableAutoConnect: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set disable-auto-connect: %v", err)
}
if cmd != nil {
cmd.Printf("Set disable-auto-connect to: %v\n", b)
} else {
fmt.Printf("Set disable-auto-connect to: %v\n", b)
}
case "disable-client-routes":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, DisableClientRoutes: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set disable-client-routes: %v", err)
}
if cmd != nil {
cmd.Printf("Set disable-client-routes to: %v\n", b)
} else {
fmt.Printf("Set disable-client-routes to: %v\n", b)
}
case "disable-server-routes":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, DisableServerRoutes: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set disable-server-routes: %v", err)
}
if cmd != nil {
cmd.Printf("Set disable-server-routes to: %v\n", b)
} else {
fmt.Printf("Set disable-server-routes to: %v\n", b)
}
case "disable-dns":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, DisableDNS: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set disable-dns: %v", err)
}
if cmd != nil {
cmd.Printf("Set disable-dns to: %v\n", b)
} else {
fmt.Printf("Set disable-dns to: %v\n", b)
}
case "disable-firewall":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, DisableFirewall: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set disable-firewall: %v", err)
}
if cmd != nil {
cmd.Printf("Set disable-firewall to: %v\n", b)
} else {
fmt.Printf("Set disable-firewall to: %v\n", b)
}
case "block-lan-access":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, BlockLANAccess: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set block-lan-access: %v", err)
}
if cmd != nil {
cmd.Printf("Set block-lan-access to: %v\n", b)
} else {
fmt.Printf("Set block-lan-access to: %v\n", b)
}
case "block-inbound":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, BlockInbound: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set block-inbound: %v", err)
}
if cmd != nil {
cmd.Printf("Set block-inbound to: %v\n", b)
} else {
fmt.Printf("Set block-inbound to: %v\n", b)
}
case "enable-lazy-connection":
b, err := parseBool(value)
if err != nil {
return err
}
input := internal.ConfigInput{ConfigPath: configPath, LazyConnectionEnabled: &b}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set enable-lazy-connection: %v", err)
}
if cmd != nil {
cmd.Printf("Set enable-lazy-connection to: %v\n", b)
} else {
fmt.Printf("Set enable-lazy-connection to: %v\n", b)
}
case "wireguard-port":
p, err := parseUint16(value)
if err != nil {
return err
}
pi := int(p)
input := internal.ConfigInput{ConfigPath: configPath, WireguardPort: &pi}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set wireguard-port: %v", err)
}
if cmd != nil {
cmd.Printf("Set wireguard-port to: %d\n", p)
} else {
fmt.Printf("Set wireguard-port to: %d\n", p)
}
case "dns-router-interval":
d, err := time.ParseDuration(value)
if err != nil {
return fmt.Errorf("invalid duration: %v", err)
}
input := internal.ConfigInput{ConfigPath: configPath, DNSRouteInterval: &d}
_, err = internal.UpdateOrCreateConfig(input)
if err != nil {
return fmt.Errorf("failed to set dns-router-interval: %v", err)
}
if cmd != nil {
cmd.Printf("Set dns-router-interval to: %s\n", d)
} else {
fmt.Printf("Set dns-router-interval to: %s\n", d)
}
default:
return fmt.Errorf("unknown setting: %s", setting)
}
if cmd != nil {
cmd.Println("Configuration updated successfully.")
} else {
fmt.Println("Configuration updated successfully.")
}
return nil
}
func parseBool(val string) (bool, error) {
v := strings.ToLower(val)
if v == "true" || v == "1" {
return true, nil
}
if v == "false" || v == "0" {
return false, nil
}
return false, fmt.Errorf("invalid boolean value: %s", val)
}
func parseUint16(val string) (uint16, error) {
var p uint16
_, err := fmt.Sscanf(val, "%d", &p)
if err != nil {
return 0, fmt.Errorf("invalid uint16 value: %s", val)
}
return p, nil
}

162
client/cmd/set_test.go Normal file
View File

@@ -0,0 +1,162 @@
package cmd
import (
"os"
"strings"
"testing"
"time"
"github.com/netbirdio/netbird/client/internal"
"github.com/stretchr/testify/require"
)
func TestSetCommand_AllSettings(t *testing.T) {
tempFile, err := os.CreateTemp("", "config.json")
require.NoError(t, err)
defer os.Remove(tempFile.Name())
// Write empty JSON object to the config file to avoid JSON parse errors
_, err = tempFile.WriteString("{}")
require.NoError(t, err)
tempFile.Close()
configPath = tempFile.Name()
tests := []struct {
setting string
value string
verify func(*testing.T, *internal.Config)
wantErr bool
}{
{"management-url", "https://test.mgmt:443", func(t *testing.T, c *internal.Config) {
require.Equal(t, "https://test.mgmt:443", c.ManagementURL.String())
}, false},
{"admin-url", "https://test.admin:443", func(t *testing.T, c *internal.Config) {
require.Equal(t, "https://test.admin:443", c.AdminURL.String())
}, false},
{"interface-name", "utun99", func(t *testing.T, c *internal.Config) {
require.Equal(t, "utun99", c.WgIface)
}, false},
{"external-ip-map", "12.34.56.78,12.34.56.79", func(t *testing.T, c *internal.Config) {
require.Equal(t, []string{"12.34.56.78", "12.34.56.79"}, c.NATExternalIPs)
}, false},
{"extra-iface-blacklist", "eth1,eth2", func(t *testing.T, c *internal.Config) {
require.Contains(t, c.IFaceBlackList, "eth1")
require.Contains(t, c.IFaceBlackList, "eth2")
}, false},
{"dns-resolver-address", "127.0.0.1:5053", func(t *testing.T, c *internal.Config) {
require.Equal(t, "127.0.0.1:5053", c.CustomDNSAddress)
}, false},
{"extra-dns-labels", "vpc1,mgmt1", func(t *testing.T, c *internal.Config) {
require.True(t, strings.Contains(c.DNSLabels.SafeString(), "vpc1"))
require.True(t, strings.Contains(c.DNSLabels.SafeString(), "mgmt1"))
}, false},
{"preshared-key", "testkey", func(t *testing.T, c *internal.Config) {
require.Equal(t, "testkey", c.PreSharedKey)
}, false},
{"enable-rosenpass", "true", func(t *testing.T, c *internal.Config) {
require.True(t, c.RosenpassEnabled)
}, false},
{"rosenpass-permissive", "false", func(t *testing.T, c *internal.Config) {
require.False(t, c.RosenpassPermissive)
}, false},
{"allow-server-ssh", "true", func(t *testing.T, c *internal.Config) {
require.NotNil(t, c.ServerSSHAllowed)
require.True(t, *c.ServerSSHAllowed)
}, false},
{"network-monitor", "false", func(t *testing.T, c *internal.Config) {
require.NotNil(t, c.NetworkMonitor)
require.False(t, *c.NetworkMonitor)
}, false},
{"disable-auto-connect", "true", func(t *testing.T, c *internal.Config) {
require.True(t, c.DisableAutoConnect)
}, false},
{"disable-client-routes", "false", func(t *testing.T, c *internal.Config) {
require.False(t, c.DisableClientRoutes)
}, false},
{"disable-server-routes", "true", func(t *testing.T, c *internal.Config) {
require.True(t, c.DisableServerRoutes)
}, false},
{"disable-dns", "false", func(t *testing.T, c *internal.Config) {
require.False(t, c.DisableDNS)
}, false},
{"disable-firewall", "true", func(t *testing.T, c *internal.Config) {
require.True(t, c.DisableFirewall)
}, false},
{"block-lan-access", "true", func(t *testing.T, c *internal.Config) {
require.True(t, c.BlockLANAccess)
}, false},
{"block-inbound", "false", func(t *testing.T, c *internal.Config) {
require.False(t, c.BlockInbound)
}, false},
{"enable-lazy-connection", "true", func(t *testing.T, c *internal.Config) {
require.True(t, c.LazyConnectionEnabled)
}, false},
{"wireguard-port", "51820", func(t *testing.T, c *internal.Config) {
require.Equal(t, 51820, c.WgPort)
}, false},
{"dns-router-interval", "2m", func(t *testing.T, c *internal.Config) {
require.Equal(t, 2*time.Minute, c.DNSRouteInterval)
}, false},
// Invalid cases
{"enable-rosenpass", "notabool", nil, true},
{"wireguard-port", "notanint", nil, true},
{"dns-router-interval", "notaduration", nil, true},
}
for _, tt := range tests {
t.Run(tt.setting+"="+tt.value, func(t *testing.T) {
args := []string{tt.setting, tt.value}
err := setFunc(nil, args)
if tt.wantErr {
require.Error(t, err)
return
}
require.NoError(t, err)
config, err := internal.ReadConfig(configPath)
require.NoError(t, err)
if tt.verify != nil {
tt.verify(t, config)
}
})
}
}
func TestSetCommand_EnvVars(t *testing.T) {
tempFile, err := os.CreateTemp("", "config.json")
require.NoError(t, err)
defer os.Remove(tempFile.Name())
// Write empty JSON object to the config file to avoid JSON parse errors
_, err = tempFile.WriteString("{}")
require.NoError(t, err)
tempFile.Close()
configPath = tempFile.Name()
os.Setenv("NB_INTERFACE_NAME", "utun77")
defer os.Unsetenv("NB_INTERFACE_NAME")
args := []string{"interface-name", "utun99"}
err = setFunc(nil, args)
require.NoError(t, err)
config, err := internal.ReadConfig(configPath)
require.NoError(t, err)
require.Equal(t, "utun77", config.WgIface)
os.Unsetenv("NB_INTERFACE_NAME")
os.Setenv("WT_INTERFACE_NAME", "utun88")
defer os.Unsetenv("WT_INTERFACE_NAME")
err = setFunc(nil, args)
require.NoError(t, err)
config, err = internal.ReadConfig(configPath)
require.NoError(t, err)
require.Equal(t, "utun88", config.WgIface)
os.Unsetenv("WT_INTERFACE_NAME")
// No env var, should use CLI value
err = setFunc(nil, args)
require.NoError(t, err)
config, err = internal.ReadConfig(configPath)
require.NoError(t, err)
require.Equal(t, "utun99", config.WgIface)
}

View File

@@ -26,7 +26,6 @@ var (
statusFilter string
ipsFilterMap map[string]struct{}
prefixNamesFilterMap map[string]struct{}
connectionTypeFilter string
)
var statusCmd = &cobra.Command{
@@ -46,7 +45,6 @@ func init() {
statusCmd.PersistentFlags().StringSliceVar(&ipsFilter, "filter-by-ips", []string{}, "filters the detailed output by a list of one or more IPs, e.g., --filter-by-ips 100.64.0.100,100.64.0.200")
statusCmd.PersistentFlags().StringSliceVar(&prefixNamesFilter, "filter-by-names", []string{}, "filters the detailed output by a list of one or more peer FQDN or hostnames, e.g., --filter-by-names peer-a,peer-b.netbird.cloud")
statusCmd.PersistentFlags().StringVar(&statusFilter, "filter-by-status", "", "filters the detailed output by connection status(idle|connecting|connected), e.g., --filter-by-status connected")
statusCmd.PersistentFlags().StringVar(&connectionTypeFilter, "filter-by-connection-type", "", "filters the detailed output by connection type (P2P|Relayed), e.g., --filter-by-connection-type P2P")
}
func statusFunc(cmd *cobra.Command, args []string) error {
@@ -91,7 +89,7 @@ func statusFunc(cmd *cobra.Command, args []string) error {
return nil
}
var outputInformationHolder = nbstatus.ConvertToStatusOutputOverview(resp, anonymizeFlag, statusFilter, prefixNamesFilter, prefixNamesFilterMap, ipsFilterMap, connectionTypeFilter)
var outputInformationHolder = nbstatus.ConvertToStatusOutputOverview(resp, anonymizeFlag, statusFilter, prefixNamesFilter, prefixNamesFilterMap, ipsFilterMap)
var statusOutputString string
switch {
case detailFlag:
@@ -158,15 +156,6 @@ func parseFilters() error {
enableDetailFlagWhenFilterFlag()
}
switch strings.ToLower(connectionTypeFilter) {
case "", "p2p", "relayed":
if strings.ToLower(connectionTypeFilter) != "" {
enableDetailFlagWhenFilterFlag()
}
default:
return fmt.Errorf("wrong connection-type filter, should be one of P2P|Relayed, got: %s", connectionTypeFilter)
}
return nil
}

View File

@@ -109,7 +109,7 @@ func startManagement(t *testing.T, config *types.Config, testFile string) (*grpc
}
secretsManager := mgmt.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, config.Relay, settingsMockManager)
mgmtServer, err := mgmt.NewServer(context.Background(), config, accountManager, settingsMockManager, peersUpdateManager, secretsManager, nil, nil, nil, &mgmt.MockIntegratedValidator{})
mgmtServer, err := mgmt.NewServer(context.Background(), config, accountManager, settingsMockManager, peersUpdateManager, secretsManager, nil, nil, nil)
if err != nil {
t.Fatal(err)
}

View File

@@ -1,408 +0,0 @@
package uspfilter
import (
"encoding/binary"
"errors"
"fmt"
"net/netip"
"github.com/google/gopacket/layers"
firewall "github.com/netbirdio/netbird/client/firewall/manager"
)
var ErrIPv4Only = errors.New("only IPv4 is supported for DNAT")
func ipv4Checksum(header []byte) uint16 {
if len(header) < 20 {
return 0
}
var sum1, sum2 uint32
// Parallel processing - unroll and compute two sums simultaneously
sum1 += uint32(binary.BigEndian.Uint16(header[0:2]))
sum2 += uint32(binary.BigEndian.Uint16(header[2:4]))
sum1 += uint32(binary.BigEndian.Uint16(header[4:6]))
sum2 += uint32(binary.BigEndian.Uint16(header[6:8]))
sum1 += uint32(binary.BigEndian.Uint16(header[8:10]))
// Skip checksum field at [10:12]
sum2 += uint32(binary.BigEndian.Uint16(header[12:14]))
sum1 += uint32(binary.BigEndian.Uint16(header[14:16]))
sum2 += uint32(binary.BigEndian.Uint16(header[16:18]))
sum1 += uint32(binary.BigEndian.Uint16(header[18:20]))
sum := sum1 + sum2
// Handle remaining bytes for headers > 20 bytes
for i := 20; i < len(header)-1; i += 2 {
sum += uint32(binary.BigEndian.Uint16(header[i : i+2]))
}
if len(header)%2 == 1 {
sum += uint32(header[len(header)-1]) << 8
}
// Optimized carry fold - single iteration handles most cases
sum = (sum & 0xFFFF) + (sum >> 16)
if sum > 0xFFFF {
sum++
}
return ^uint16(sum)
}
func icmpChecksum(data []byte) uint16 {
var sum1, sum2, sum3, sum4 uint32
i := 0
// Process 16 bytes at once with 4 parallel accumulators
for i <= len(data)-16 {
sum1 += uint32(binary.BigEndian.Uint16(data[i : i+2]))
sum2 += uint32(binary.BigEndian.Uint16(data[i+2 : i+4]))
sum3 += uint32(binary.BigEndian.Uint16(data[i+4 : i+6]))
sum4 += uint32(binary.BigEndian.Uint16(data[i+6 : i+8]))
sum1 += uint32(binary.BigEndian.Uint16(data[i+8 : i+10]))
sum2 += uint32(binary.BigEndian.Uint16(data[i+10 : i+12]))
sum3 += uint32(binary.BigEndian.Uint16(data[i+12 : i+14]))
sum4 += uint32(binary.BigEndian.Uint16(data[i+14 : i+16]))
i += 16
}
sum := sum1 + sum2 + sum3 + sum4
// Handle remaining bytes
for i < len(data)-1 {
sum += uint32(binary.BigEndian.Uint16(data[i : i+2]))
i += 2
}
if len(data)%2 == 1 {
sum += uint32(data[len(data)-1]) << 8
}
sum = (sum & 0xFFFF) + (sum >> 16)
if sum > 0xFFFF {
sum++
}
return ^uint16(sum)
}
type biDNATMap struct {
forward map[netip.Addr]netip.Addr
reverse map[netip.Addr]netip.Addr
}
func newBiDNATMap() *biDNATMap {
return &biDNATMap{
forward: make(map[netip.Addr]netip.Addr),
reverse: make(map[netip.Addr]netip.Addr),
}
}
func (b *biDNATMap) set(original, translated netip.Addr) {
b.forward[original] = translated
b.reverse[translated] = original
}
func (b *biDNATMap) delete(original netip.Addr) {
if translated, exists := b.forward[original]; exists {
delete(b.forward, original)
delete(b.reverse, translated)
}
}
func (b *biDNATMap) getTranslated(original netip.Addr) (netip.Addr, bool) {
translated, exists := b.forward[original]
return translated, exists
}
func (b *biDNATMap) getOriginal(translated netip.Addr) (netip.Addr, bool) {
original, exists := b.reverse[translated]
return original, exists
}
func (m *Manager) AddInternalDNATMapping(originalAddr, translatedAddr netip.Addr) error {
if !originalAddr.IsValid() || !translatedAddr.IsValid() {
return fmt.Errorf("invalid IP addresses")
}
if m.localipmanager.IsLocalIP(translatedAddr) {
return fmt.Errorf("cannot map to local IP: %s", translatedAddr)
}
m.dnatMutex.Lock()
defer m.dnatMutex.Unlock()
// Initialize both maps together if either is nil
if m.dnatMappings == nil || m.dnatBiMap == nil {
m.dnatMappings = make(map[netip.Addr]netip.Addr)
m.dnatBiMap = newBiDNATMap()
}
m.dnatMappings[originalAddr] = translatedAddr
m.dnatBiMap.set(originalAddr, translatedAddr)
if len(m.dnatMappings) == 1 {
m.dnatEnabled.Store(true)
}
return nil
}
// RemoveInternalDNATMapping removes a 1:1 IP address mapping
func (m *Manager) RemoveInternalDNATMapping(originalAddr netip.Addr) error {
m.dnatMutex.Lock()
defer m.dnatMutex.Unlock()
if _, exists := m.dnatMappings[originalAddr]; !exists {
return fmt.Errorf("mapping not found for: %s", originalAddr)
}
delete(m.dnatMappings, originalAddr)
m.dnatBiMap.delete(originalAddr)
if len(m.dnatMappings) == 0 {
m.dnatEnabled.Store(false)
}
return nil
}
// getDNATTranslation returns the translated address if a mapping exists
func (m *Manager) getDNATTranslation(addr netip.Addr) (netip.Addr, bool) {
if !m.dnatEnabled.Load() {
return addr, false
}
m.dnatMutex.RLock()
translated, exists := m.dnatBiMap.getTranslated(addr)
m.dnatMutex.RUnlock()
return translated, exists
}
// findReverseDNATMapping finds original address for return traffic
func (m *Manager) findReverseDNATMapping(translatedAddr netip.Addr) (netip.Addr, bool) {
if !m.dnatEnabled.Load() {
return translatedAddr, false
}
m.dnatMutex.RLock()
original, exists := m.dnatBiMap.getOriginal(translatedAddr)
m.dnatMutex.RUnlock()
return original, exists
}
// translateOutboundDNAT applies DNAT translation to outbound packets
func (m *Manager) translateOutboundDNAT(packetData []byte, d *decoder) bool {
if !m.dnatEnabled.Load() {
return false
}
if len(packetData) < 20 || d.decoded[0] != layers.LayerTypeIPv4 {
return false
}
dstIP := netip.AddrFrom4([4]byte{packetData[16], packetData[17], packetData[18], packetData[19]})
translatedIP, exists := m.getDNATTranslation(dstIP)
if !exists {
return false
}
if err := m.rewritePacketDestination(packetData, d, translatedIP); err != nil {
m.logger.Error("Failed to rewrite packet destination: %v", err)
return false
}
m.logger.Trace("DNAT: %s -> %s", dstIP, translatedIP)
return true
}
// translateInboundReverse applies reverse DNAT to inbound return traffic
func (m *Manager) translateInboundReverse(packetData []byte, d *decoder) bool {
if !m.dnatEnabled.Load() {
return false
}
if len(packetData) < 20 || d.decoded[0] != layers.LayerTypeIPv4 {
return false
}
srcIP := netip.AddrFrom4([4]byte{packetData[12], packetData[13], packetData[14], packetData[15]})
originalIP, exists := m.findReverseDNATMapping(srcIP)
if !exists {
return false
}
if err := m.rewritePacketSource(packetData, d, originalIP); err != nil {
m.logger.Error("Failed to rewrite packet source: %v", err)
return false
}
m.logger.Trace("Reverse DNAT: %s -> %s", srcIP, originalIP)
return true
}
// rewritePacketDestination replaces destination IP in the packet
func (m *Manager) rewritePacketDestination(packetData []byte, d *decoder, newIP netip.Addr) error {
if len(packetData) < 20 || d.decoded[0] != layers.LayerTypeIPv4 || !newIP.Is4() {
return ErrIPv4Only
}
var oldDst [4]byte
copy(oldDst[:], packetData[16:20])
newDst := newIP.As4()
copy(packetData[16:20], newDst[:])
ipHeaderLen := int(d.ip4.IHL) * 4
if ipHeaderLen < 20 || ipHeaderLen > len(packetData) {
return fmt.Errorf("invalid IP header length")
}
binary.BigEndian.PutUint16(packetData[10:12], 0)
ipChecksum := ipv4Checksum(packetData[:ipHeaderLen])
binary.BigEndian.PutUint16(packetData[10:12], ipChecksum)
if len(d.decoded) > 1 {
switch d.decoded[1] {
case layers.LayerTypeTCP:
m.updateTCPChecksum(packetData, ipHeaderLen, oldDst[:], newDst[:])
case layers.LayerTypeUDP:
m.updateUDPChecksum(packetData, ipHeaderLen, oldDst[:], newDst[:])
case layers.LayerTypeICMPv4:
m.updateICMPChecksum(packetData, ipHeaderLen)
}
}
return nil
}
// rewritePacketSource replaces the source IP address in the packet
func (m *Manager) rewritePacketSource(packetData []byte, d *decoder, newIP netip.Addr) error {
if len(packetData) < 20 || d.decoded[0] != layers.LayerTypeIPv4 || !newIP.Is4() {
return ErrIPv4Only
}
var oldSrc [4]byte
copy(oldSrc[:], packetData[12:16])
newSrc := newIP.As4()
copy(packetData[12:16], newSrc[:])
ipHeaderLen := int(d.ip4.IHL) * 4
if ipHeaderLen < 20 || ipHeaderLen > len(packetData) {
return fmt.Errorf("invalid IP header length")
}
binary.BigEndian.PutUint16(packetData[10:12], 0)
ipChecksum := ipv4Checksum(packetData[:ipHeaderLen])
binary.BigEndian.PutUint16(packetData[10:12], ipChecksum)
if len(d.decoded) > 1 {
switch d.decoded[1] {
case layers.LayerTypeTCP:
m.updateTCPChecksum(packetData, ipHeaderLen, oldSrc[:], newSrc[:])
case layers.LayerTypeUDP:
m.updateUDPChecksum(packetData, ipHeaderLen, oldSrc[:], newSrc[:])
case layers.LayerTypeICMPv4:
m.updateICMPChecksum(packetData, ipHeaderLen)
}
}
return nil
}
func (m *Manager) updateTCPChecksum(packetData []byte, ipHeaderLen int, oldIP, newIP []byte) {
tcpStart := ipHeaderLen
if len(packetData) < tcpStart+18 {
return
}
checksumOffset := tcpStart + 16
oldChecksum := binary.BigEndian.Uint16(packetData[checksumOffset : checksumOffset+2])
newChecksum := incrementalUpdate(oldChecksum, oldIP, newIP)
binary.BigEndian.PutUint16(packetData[checksumOffset:checksumOffset+2], newChecksum)
}
func (m *Manager) updateUDPChecksum(packetData []byte, ipHeaderLen int, oldIP, newIP []byte) {
udpStart := ipHeaderLen
if len(packetData) < udpStart+8 {
return
}
checksumOffset := udpStart + 6
oldChecksum := binary.BigEndian.Uint16(packetData[checksumOffset : checksumOffset+2])
if oldChecksum == 0 {
return
}
newChecksum := incrementalUpdate(oldChecksum, oldIP, newIP)
binary.BigEndian.PutUint16(packetData[checksumOffset:checksumOffset+2], newChecksum)
}
func (m *Manager) updateICMPChecksum(packetData []byte, ipHeaderLen int) {
icmpStart := ipHeaderLen
if len(packetData) < icmpStart+8 {
return
}
icmpData := packetData[icmpStart:]
binary.BigEndian.PutUint16(icmpData[2:4], 0)
checksum := icmpChecksum(icmpData)
binary.BigEndian.PutUint16(icmpData[2:4], checksum)
}
// incrementalUpdate performs incremental checksum update per RFC 1624
func incrementalUpdate(oldChecksum uint16, oldBytes, newBytes []byte) uint16 {
sum := uint32(^oldChecksum)
// Fast path for IPv4 addresses (4 bytes) - most common case
if len(oldBytes) == 4 && len(newBytes) == 4 {
sum += uint32(^binary.BigEndian.Uint16(oldBytes[0:2]))
sum += uint32(^binary.BigEndian.Uint16(oldBytes[2:4]))
sum += uint32(binary.BigEndian.Uint16(newBytes[0:2]))
sum += uint32(binary.BigEndian.Uint16(newBytes[2:4]))
} else {
// Fallback for other lengths
for i := 0; i < len(oldBytes)-1; i += 2 {
sum += uint32(^binary.BigEndian.Uint16(oldBytes[i : i+2]))
}
if len(oldBytes)%2 == 1 {
sum += uint32(^oldBytes[len(oldBytes)-1]) << 8
}
for i := 0; i < len(newBytes)-1; i += 2 {
sum += uint32(binary.BigEndian.Uint16(newBytes[i : i+2]))
}
if len(newBytes)%2 == 1 {
sum += uint32(newBytes[len(newBytes)-1]) << 8
}
}
sum = (sum & 0xFFFF) + (sum >> 16)
if sum > 0xFFFF {
sum++
}
return ^uint16(sum)
}
// AddDNATRule adds a DNAT rule (delegates to native firewall for port forwarding)
func (m *Manager) AddDNATRule(rule firewall.ForwardRule) (firewall.Rule, error) {
if m.nativeFirewall == nil {
return nil, errNatNotSupported
}
return m.nativeFirewall.AddDNATRule(rule)
}
// DeleteDNATRule deletes a DNAT rule (delegates to native firewall)
func (m *Manager) DeleteDNATRule(rule firewall.Rule) error {
if m.nativeFirewall == nil {
return errNatNotSupported
}
return m.nativeFirewall.DeleteDNATRule(rule)
}

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@@ -1,416 +0,0 @@
package uspfilter
import (
"fmt"
"net/netip"
"testing"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/client/iface/device"
)
// BenchmarkDNATTranslation measures the performance of DNAT operations
func BenchmarkDNATTranslation(b *testing.B) {
scenarios := []struct {
name string
proto layers.IPProtocol
setupDNAT bool
description string
}{
{
name: "tcp_with_dnat",
proto: layers.IPProtocolTCP,
setupDNAT: true,
description: "TCP packet with DNAT translation enabled",
},
{
name: "tcp_without_dnat",
proto: layers.IPProtocolTCP,
setupDNAT: false,
description: "TCP packet without DNAT (baseline)",
},
{
name: "udp_with_dnat",
proto: layers.IPProtocolUDP,
setupDNAT: true,
description: "UDP packet with DNAT translation enabled",
},
{
name: "udp_without_dnat",
proto: layers.IPProtocolUDP,
setupDNAT: false,
description: "UDP packet without DNAT (baseline)",
},
{
name: "icmp_with_dnat",
proto: layers.IPProtocolICMPv4,
setupDNAT: true,
description: "ICMP packet with DNAT translation enabled",
},
{
name: "icmp_without_dnat",
proto: layers.IPProtocolICMPv4,
setupDNAT: false,
description: "ICMP packet without DNAT (baseline)",
},
}
for _, sc := range scenarios {
b.Run(sc.name, func(b *testing.B) {
manager, err := Create(&IFaceMock{
SetFilterFunc: func(device.PacketFilter) error { return nil },
}, false, flowLogger)
require.NoError(b, err)
defer func() {
require.NoError(b, manager.Close(nil))
}()
// Set logger to error level to reduce noise during benchmarking
manager.SetLogLevel(log.ErrorLevel)
defer func() {
// Restore to info level after benchmark
manager.SetLogLevel(log.InfoLevel)
}()
// Setup DNAT mapping if needed
originalIP := netip.MustParseAddr("192.168.1.100")
translatedIP := netip.MustParseAddr("10.0.0.100")
if sc.setupDNAT {
err := manager.AddInternalDNATMapping(originalIP, translatedIP)
require.NoError(b, err)
}
// Create test packets
srcIP := netip.MustParseAddr("172.16.0.1")
outboundPacket := generateDNATTestPacket(b, srcIP, originalIP, sc.proto, 12345, 80)
// Pre-establish connection for reverse DNAT test
if sc.setupDNAT {
manager.filterOutbound(outboundPacket, 0)
}
b.ResetTimer()
// Benchmark outbound DNAT translation
b.Run("outbound", func(b *testing.B) {
for i := 0; i < b.N; i++ {
// Create fresh packet each time since translation modifies it
packet := generateDNATTestPacket(b, srcIP, originalIP, sc.proto, 12345, 80)
manager.filterOutbound(packet, 0)
}
})
// Benchmark inbound reverse DNAT translation
if sc.setupDNAT {
b.Run("inbound_reverse", func(b *testing.B) {
for i := 0; i < b.N; i++ {
// Create fresh packet each time since translation modifies it
packet := generateDNATTestPacket(b, translatedIP, srcIP, sc.proto, 80, 12345)
manager.filterInbound(packet, 0)
}
})
}
})
}
}
// BenchmarkDNATConcurrency tests DNAT performance under concurrent load
func BenchmarkDNATConcurrency(b *testing.B) {
manager, err := Create(&IFaceMock{
SetFilterFunc: func(device.PacketFilter) error { return nil },
}, false, flowLogger)
require.NoError(b, err)
defer func() {
require.NoError(b, manager.Close(nil))
}()
// Set logger to error level to reduce noise during benchmarking
manager.SetLogLevel(log.ErrorLevel)
defer func() {
// Restore to info level after benchmark
manager.SetLogLevel(log.InfoLevel)
}()
// Setup multiple DNAT mappings
numMappings := 100
originalIPs := make([]netip.Addr, numMappings)
translatedIPs := make([]netip.Addr, numMappings)
for i := 0; i < numMappings; i++ {
originalIPs[i] = netip.MustParseAddr(fmt.Sprintf("192.168.%d.%d", (i/254)+1, (i%254)+1))
translatedIPs[i] = netip.MustParseAddr(fmt.Sprintf("10.0.%d.%d", (i/254)+1, (i%254)+1))
err := manager.AddInternalDNATMapping(originalIPs[i], translatedIPs[i])
require.NoError(b, err)
}
srcIP := netip.MustParseAddr("172.16.0.1")
// Pre-generate packets
outboundPackets := make([][]byte, numMappings)
inboundPackets := make([][]byte, numMappings)
for i := 0; i < numMappings; i++ {
outboundPackets[i] = generateDNATTestPacket(b, srcIP, originalIPs[i], layers.IPProtocolTCP, 12345, 80)
inboundPackets[i] = generateDNATTestPacket(b, translatedIPs[i], srcIP, layers.IPProtocolTCP, 80, 12345)
// Establish connections
manager.filterOutbound(outboundPackets[i], 0)
}
b.ResetTimer()
b.Run("concurrent_outbound", func(b *testing.B) {
b.RunParallel(func(pb *testing.PB) {
i := 0
for pb.Next() {
idx := i % numMappings
packet := generateDNATTestPacket(b, srcIP, originalIPs[idx], layers.IPProtocolTCP, 12345, 80)
manager.filterOutbound(packet, 0)
i++
}
})
})
b.Run("concurrent_inbound", func(b *testing.B) {
b.RunParallel(func(pb *testing.PB) {
i := 0
for pb.Next() {
idx := i % numMappings
packet := generateDNATTestPacket(b, translatedIPs[idx], srcIP, layers.IPProtocolTCP, 80, 12345)
manager.filterInbound(packet, 0)
i++
}
})
})
}
// BenchmarkDNATScaling tests how DNAT performance scales with number of mappings
func BenchmarkDNATScaling(b *testing.B) {
mappingCounts := []int{1, 10, 100, 1000}
for _, count := range mappingCounts {
b.Run(fmt.Sprintf("mappings_%d", count), func(b *testing.B) {
manager, err := Create(&IFaceMock{
SetFilterFunc: func(device.PacketFilter) error { return nil },
}, false, flowLogger)
require.NoError(b, err)
defer func() {
require.NoError(b, manager.Close(nil))
}()
// Set logger to error level to reduce noise during benchmarking
manager.SetLogLevel(log.ErrorLevel)
defer func() {
// Restore to info level after benchmark
manager.SetLogLevel(log.InfoLevel)
}()
// Setup DNAT mappings
for i := 0; i < count; i++ {
originalIP := netip.MustParseAddr(fmt.Sprintf("192.168.%d.%d", (i/254)+1, (i%254)+1))
translatedIP := netip.MustParseAddr(fmt.Sprintf("10.0.%d.%d", (i/254)+1, (i%254)+1))
err := manager.AddInternalDNATMapping(originalIP, translatedIP)
require.NoError(b, err)
}
// Test with the last mapping added (worst case for lookup)
srcIP := netip.MustParseAddr("172.16.0.1")
lastOriginal := netip.MustParseAddr(fmt.Sprintf("192.168.%d.%d", ((count-1)/254)+1, ((count-1)%254)+1))
b.ResetTimer()
for i := 0; i < b.N; i++ {
packet := generateDNATTestPacket(b, srcIP, lastOriginal, layers.IPProtocolTCP, 12345, 80)
manager.filterOutbound(packet, 0)
}
})
}
}
// generateDNATTestPacket creates a test packet for DNAT benchmarking
func generateDNATTestPacket(tb testing.TB, srcIP, dstIP netip.Addr, proto layers.IPProtocol, srcPort, dstPort uint16) []byte {
tb.Helper()
ipv4 := &layers.IPv4{
TTL: 64,
Version: 4,
SrcIP: srcIP.AsSlice(),
DstIP: dstIP.AsSlice(),
Protocol: proto,
}
var transportLayer gopacket.SerializableLayer
switch proto {
case layers.IPProtocolTCP:
tcp := &layers.TCP{
SrcPort: layers.TCPPort(srcPort),
DstPort: layers.TCPPort(dstPort),
SYN: true,
}
require.NoError(tb, tcp.SetNetworkLayerForChecksum(ipv4))
transportLayer = tcp
case layers.IPProtocolUDP:
udp := &layers.UDP{
SrcPort: layers.UDPPort(srcPort),
DstPort: layers.UDPPort(dstPort),
}
require.NoError(tb, udp.SetNetworkLayerForChecksum(ipv4))
transportLayer = udp
case layers.IPProtocolICMPv4:
icmp := &layers.ICMPv4{
TypeCode: layers.CreateICMPv4TypeCode(layers.ICMPv4TypeEchoRequest, 0),
}
transportLayer = icmp
}
buf := gopacket.NewSerializeBuffer()
opts := gopacket.SerializeOptions{ComputeChecksums: true, FixLengths: true}
err := gopacket.SerializeLayers(buf, opts, ipv4, transportLayer, gopacket.Payload("test"))
require.NoError(tb, err)
return buf.Bytes()
}
// BenchmarkChecksumUpdate specifically benchmarks checksum calculation performance
func BenchmarkChecksumUpdate(b *testing.B) {
// Create test data for checksum calculations
testData := make([]byte, 64) // Typical packet size for checksum testing
for i := range testData {
testData[i] = byte(i)
}
b.Run("ipv4_checksum", func(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = ipv4Checksum(testData[:20]) // IPv4 header is typically 20 bytes
}
})
b.Run("icmp_checksum", func(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = icmpChecksum(testData)
}
})
b.Run("incremental_update", func(b *testing.B) {
oldBytes := []byte{192, 168, 1, 100}
newBytes := []byte{10, 0, 0, 100}
oldChecksum := uint16(0x1234)
for i := 0; i < b.N; i++ {
_ = incrementalUpdate(oldChecksum, oldBytes, newBytes)
}
})
}
// BenchmarkDNATMemoryAllocations checks for memory allocations in DNAT operations
func BenchmarkDNATMemoryAllocations(b *testing.B) {
manager, err := Create(&IFaceMock{
SetFilterFunc: func(device.PacketFilter) error { return nil },
}, false, flowLogger)
require.NoError(b, err)
defer func() {
require.NoError(b, manager.Close(nil))
}()
// Set logger to error level to reduce noise during benchmarking
manager.SetLogLevel(log.ErrorLevel)
defer func() {
// Restore to info level after benchmark
manager.SetLogLevel(log.InfoLevel)
}()
originalIP := netip.MustParseAddr("192.168.1.100")
translatedIP := netip.MustParseAddr("10.0.0.100")
srcIP := netip.MustParseAddr("172.16.0.1")
err = manager.AddInternalDNATMapping(originalIP, translatedIP)
require.NoError(b, err)
packet := generateDNATTestPacket(b, srcIP, originalIP, layers.IPProtocolTCP, 12345, 80)
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
// Create fresh packet each time to isolate allocation testing
testPacket := make([]byte, len(packet))
copy(testPacket, packet)
// Parse the packet fresh each time to get a clean decoder
d := &decoder{decoded: []gopacket.LayerType{}}
d.parser = gopacket.NewDecodingLayerParser(
layers.LayerTypeIPv4,
&d.eth, &d.ip4, &d.ip6, &d.icmp4, &d.icmp6, &d.tcp, &d.udp,
)
d.parser.IgnoreUnsupported = true
err = d.parser.DecodeLayers(testPacket, &d.decoded)
assert.NoError(b, err)
manager.translateOutboundDNAT(testPacket, d)
}
}
// BenchmarkDirectIPExtraction tests the performance improvement of direct IP extraction
func BenchmarkDirectIPExtraction(b *testing.B) {
// Create a test packet
srcIP := netip.MustParseAddr("172.16.0.1")
dstIP := netip.MustParseAddr("192.168.1.100")
packet := generateDNATTestPacket(b, srcIP, dstIP, layers.IPProtocolTCP, 12345, 80)
b.Run("direct_byte_access", func(b *testing.B) {
for i := 0; i < b.N; i++ {
// Direct extraction from packet bytes
_ = netip.AddrFrom4([4]byte{packet[16], packet[17], packet[18], packet[19]})
}
})
b.Run("decoder_extraction", func(b *testing.B) {
// Create decoder once for comparison
d := &decoder{decoded: []gopacket.LayerType{}}
d.parser = gopacket.NewDecodingLayerParser(
layers.LayerTypeIPv4,
&d.eth, &d.ip4, &d.ip6, &d.icmp4, &d.icmp6, &d.tcp, &d.udp,
)
d.parser.IgnoreUnsupported = true
err := d.parser.DecodeLayers(packet, &d.decoded)
assert.NoError(b, err)
for i := 0; i < b.N; i++ {
// Extract using decoder (traditional method)
dst, _ := netip.AddrFromSlice(d.ip4.DstIP)
_ = dst
}
})
}
// BenchmarkChecksumOptimizations compares optimized vs standard checksum implementations
func BenchmarkChecksumOptimizations(b *testing.B) {
// Create test IPv4 header (20 bytes)
header := make([]byte, 20)
for i := range header {
header[i] = byte(i)
}
// Clear checksum field
header[10] = 0
header[11] = 0
b.Run("optimized_ipv4_checksum", func(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = ipv4Checksum(header)
}
})
// Test incremental checksum updates
oldIP := []byte{192, 168, 1, 100}
newIP := []byte{10, 0, 0, 100}
oldChecksum := uint16(0x1234)
b.Run("optimized_incremental_update", func(b *testing.B) {
for i := 0; i < b.N; i++ {
_ = incrementalUpdate(oldChecksum, oldIP, newIP)
}
})
}

View File

@@ -1,145 +0,0 @@
package uspfilter
import (
"net/netip"
"testing"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
"github.com/stretchr/testify/require"
"github.com/netbirdio/netbird/client/iface/device"
)
// TestDNATTranslationCorrectness verifies DNAT translation works correctly
func TestDNATTranslationCorrectness(t *testing.T) {
manager, err := Create(&IFaceMock{
SetFilterFunc: func(device.PacketFilter) error { return nil },
}, false, flowLogger)
require.NoError(t, err)
defer func() {
require.NoError(t, manager.Close(nil))
}()
originalIP := netip.MustParseAddr("192.168.1.100")
translatedIP := netip.MustParseAddr("10.0.0.100")
srcIP := netip.MustParseAddr("172.16.0.1")
// Add DNAT mapping
err = manager.AddInternalDNATMapping(originalIP, translatedIP)
require.NoError(t, err)
testCases := []struct {
name string
protocol layers.IPProtocol
srcPort uint16
dstPort uint16
}{
{"TCP", layers.IPProtocolTCP, 12345, 80},
{"UDP", layers.IPProtocolUDP, 12345, 53},
{"ICMP", layers.IPProtocolICMPv4, 0, 0},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
// Test outbound DNAT translation
outboundPacket := generateDNATTestPacket(t, srcIP, originalIP, tc.protocol, tc.srcPort, tc.dstPort)
originalOutbound := make([]byte, len(outboundPacket))
copy(originalOutbound, outboundPacket)
// Process outbound packet (should translate destination)
translated := manager.translateOutboundDNAT(outboundPacket, parsePacket(t, outboundPacket))
require.True(t, translated, "Outbound packet should be translated")
// Verify destination IP was changed
dstIPAfter := netip.AddrFrom4([4]byte{outboundPacket[16], outboundPacket[17], outboundPacket[18], outboundPacket[19]})
require.Equal(t, translatedIP, dstIPAfter, "Destination IP should be translated")
// Test inbound reverse DNAT translation
inboundPacket := generateDNATTestPacket(t, translatedIP, srcIP, tc.protocol, tc.dstPort, tc.srcPort)
originalInbound := make([]byte, len(inboundPacket))
copy(originalInbound, inboundPacket)
// Process inbound packet (should reverse translate source)
reversed := manager.translateInboundReverse(inboundPacket, parsePacket(t, inboundPacket))
require.True(t, reversed, "Inbound packet should be reverse translated")
// Verify source IP was changed back to original
srcIPAfter := netip.AddrFrom4([4]byte{inboundPacket[12], inboundPacket[13], inboundPacket[14], inboundPacket[15]})
require.Equal(t, originalIP, srcIPAfter, "Source IP should be reverse translated")
// Test that checksums are recalculated correctly
if tc.protocol != layers.IPProtocolICMPv4 {
// For TCP/UDP, verify the transport checksum was updated
require.NotEqual(t, originalOutbound, outboundPacket, "Outbound packet should be modified")
require.NotEqual(t, originalInbound, inboundPacket, "Inbound packet should be modified")
}
})
}
}
// parsePacket helper to create a decoder for testing
func parsePacket(t testing.TB, packetData []byte) *decoder {
t.Helper()
d := &decoder{
decoded: []gopacket.LayerType{},
}
d.parser = gopacket.NewDecodingLayerParser(
layers.LayerTypeIPv4,
&d.eth, &d.ip4, &d.ip6, &d.icmp4, &d.icmp6, &d.tcp, &d.udp,
)
d.parser.IgnoreUnsupported = true
err := d.parser.DecodeLayers(packetData, &d.decoded)
require.NoError(t, err)
return d
}
// TestDNATMappingManagement tests adding/removing DNAT mappings
func TestDNATMappingManagement(t *testing.T) {
manager, err := Create(&IFaceMock{
SetFilterFunc: func(device.PacketFilter) error { return nil },
}, false, flowLogger)
require.NoError(t, err)
defer func() {
require.NoError(t, manager.Close(nil))
}()
originalIP := netip.MustParseAddr("192.168.1.100")
translatedIP := netip.MustParseAddr("10.0.0.100")
// Test adding mapping
err = manager.AddInternalDNATMapping(originalIP, translatedIP)
require.NoError(t, err)
// Verify mapping exists
result, exists := manager.getDNATTranslation(originalIP)
require.True(t, exists)
require.Equal(t, translatedIP, result)
// Test reverse lookup
reverseResult, exists := manager.findReverseDNATMapping(translatedIP)
require.True(t, exists)
require.Equal(t, originalIP, reverseResult)
// Test removing mapping
err = manager.RemoveInternalDNATMapping(originalIP)
require.NoError(t, err)
// Verify mapping no longer exists
_, exists = manager.getDNATTranslation(originalIP)
require.False(t, exists)
_, exists = manager.findReverseDNATMapping(translatedIP)
require.False(t, exists)
// Test error cases
err = manager.AddInternalDNATMapping(netip.Addr{}, translatedIP)
require.Error(t, err, "Should reject invalid original IP")
err = manager.AddInternalDNATMapping(originalIP, netip.Addr{})
require.Error(t, err, "Should reject invalid translated IP")
err = manager.RemoveInternalDNATMapping(originalIP)
require.Error(t, err, "Should error when removing non-existent mapping")
}

View File

@@ -401,7 +401,7 @@ func (m *Manager) addForwardingResult(trace *PacketTrace, action, remoteAddr str
func (m *Manager) traceOutbound(packetData []byte, trace *PacketTrace) *PacketTrace {
// will create or update the connection state
dropped := m.filterOutbound(packetData, 0)
dropped := m.processOutgoingHooks(packetData, 0)
if dropped {
trace.AddResult(StageCompleted, "Packet dropped by outgoing hook", false)
} else {

View File

@@ -104,12 +104,6 @@ type Manager struct {
flowLogger nftypes.FlowLogger
blockRule firewall.Rule
// Internal 1:1 DNAT
dnatEnabled atomic.Bool
dnatMappings map[netip.Addr]netip.Addr
dnatMutex sync.RWMutex
dnatBiMap *biDNATMap
}
// decoder for packages
@@ -195,7 +189,6 @@ func create(iface common.IFaceMapper, nativeFirewall firewall.Manager, disableSe
flowLogger: flowLogger,
netstack: netstack.IsEnabled(),
localForwarding: enableLocalForwarding,
dnatMappings: make(map[netip.Addr]netip.Addr),
}
m.routingEnabled.Store(false)
@@ -526,6 +519,22 @@ func (m *Manager) SetLegacyManagement(isLegacy bool) error {
// Flush doesn't need to be implemented for this manager
func (m *Manager) Flush() error { return nil }
// AddDNATRule adds a DNAT rule
func (m *Manager) AddDNATRule(rule firewall.ForwardRule) (firewall.Rule, error) {
if m.nativeFirewall == nil {
return nil, errNatNotSupported
}
return m.nativeFirewall.AddDNATRule(rule)
}
// DeleteDNATRule deletes a DNAT rule
func (m *Manager) DeleteDNATRule(rule firewall.Rule) error {
if m.nativeFirewall == nil {
return errNatNotSupported
}
return m.nativeFirewall.DeleteDNATRule(rule)
}
// UpdateSet updates the rule destinations associated with the given set
// by merging the existing prefixes with the new ones, then deduplicating.
func (m *Manager) UpdateSet(set firewall.Set, prefixes []netip.Prefix) error {
@@ -572,14 +581,14 @@ func (m *Manager) UpdateSet(set firewall.Set, prefixes []netip.Prefix) error {
return nil
}
// FilterOutBound filters outgoing packets
func (m *Manager) FilterOutbound(packetData []byte, size int) bool {
return m.filterOutbound(packetData, size)
// DropOutgoing filter outgoing packets
func (m *Manager) DropOutgoing(packetData []byte, size int) bool {
return m.processOutgoingHooks(packetData, size)
}
// FilterInbound filters incoming packets
func (m *Manager) FilterInbound(packetData []byte, size int) bool {
return m.filterInbound(packetData, size)
// DropIncoming filter incoming packets
func (m *Manager) DropIncoming(packetData []byte, size int) bool {
return m.dropFilter(packetData, size)
}
// UpdateLocalIPs updates the list of local IPs
@@ -587,7 +596,7 @@ func (m *Manager) UpdateLocalIPs() error {
return m.localipmanager.UpdateLocalIPs(m.wgIface)
}
func (m *Manager) filterOutbound(packetData []byte, size int) bool {
func (m *Manager) processOutgoingHooks(packetData []byte, size int) bool {
d := m.decoders.Get().(*decoder)
defer m.decoders.Put(d)
@@ -609,8 +618,8 @@ func (m *Manager) filterOutbound(packetData []byte, size int) bool {
return true
}
// for netflow we keep track even if the firewall is stateless
m.trackOutbound(d, srcIP, dstIP, size)
m.translateOutboundDNAT(packetData, d)
return false
}
@@ -714,9 +723,9 @@ func (m *Manager) udpHooksDrop(dport uint16, dstIP netip.Addr, packetData []byte
return false
}
// filterInbound implements filtering logic for incoming packets.
// dropFilter implements filtering logic for incoming packets.
// If it returns true, the packet should be dropped.
func (m *Manager) filterInbound(packetData []byte, size int) bool {
func (m *Manager) dropFilter(packetData []byte, size int) bool {
d := m.decoders.Get().(*decoder)
defer m.decoders.Put(d)
@@ -738,15 +747,8 @@ func (m *Manager) filterInbound(packetData []byte, size int) bool {
return false
}
if translated := m.translateInboundReverse(packetData, d); translated {
// Re-decode after translation to get original addresses
if err := d.parser.DecodeLayers(packetData, &d.decoded); err != nil {
m.logger.Error("Failed to re-decode packet after reverse DNAT: %v", err)
return true
}
srcIP, dstIP = m.extractIPs(d)
}
// For all inbound traffic, first check if it matches a tracked connection.
// This must happen before any other filtering because the packets are statefully tracked.
if m.stateful && m.isValidTrackedConnection(d, srcIP, dstIP, size) {
return false
}

View File

@@ -188,13 +188,13 @@ func BenchmarkCoreFiltering(b *testing.B) {
// For stateful scenarios, establish the connection
if sc.stateful {
manager.filterOutbound(outbound, 0)
manager.processOutgoingHooks(outbound, 0)
}
// Measure inbound packet processing
b.ResetTimer()
for i := 0; i < b.N; i++ {
manager.filterInbound(inbound, 0)
manager.dropFilter(inbound, 0)
}
})
}
@@ -220,7 +220,7 @@ func BenchmarkStateScaling(b *testing.B) {
for i := 0; i < count; i++ {
outbound := generatePacket(b, srcIPs[i], dstIPs[i],
uint16(1024+i), 80, layers.IPProtocolTCP)
manager.filterOutbound(outbound, 0)
manager.processOutgoingHooks(outbound, 0)
}
// Test packet
@@ -228,11 +228,11 @@ func BenchmarkStateScaling(b *testing.B) {
testIn := generatePacket(b, dstIPs[0], srcIPs[0], 80, 1024, layers.IPProtocolTCP)
// First establish our test connection
manager.filterOutbound(testOut, 0)
manager.processOutgoingHooks(testOut, 0)
b.ResetTimer()
for i := 0; i < b.N; i++ {
manager.filterInbound(testIn, 0)
manager.dropFilter(testIn, 0)
}
})
}
@@ -263,12 +263,12 @@ func BenchmarkEstablishmentOverhead(b *testing.B) {
inbound := generatePacket(b, dstIP, srcIP, 80, 1024, layers.IPProtocolTCP)
if sc.established {
manager.filterOutbound(outbound, 0)
manager.processOutgoingHooks(outbound, 0)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
manager.filterInbound(inbound, 0)
manager.dropFilter(inbound, 0)
}
})
}
@@ -426,25 +426,25 @@ func BenchmarkRoutedNetworkReturn(b *testing.B) {
// For stateful cases and established connections
if !strings.Contains(sc.name, "allow_non_wg") ||
(strings.Contains(sc.state, "established") || sc.state == "post_handshake") {
manager.filterOutbound(outbound, 0)
manager.processOutgoingHooks(outbound, 0)
// For TCP post-handshake, simulate full handshake
if sc.state == "post_handshake" {
// SYN
syn := generateTCPPacketWithFlags(b, srcIP, dstIP, 1024, 80, uint16(conntrack.TCPSyn))
manager.filterOutbound(syn, 0)
manager.processOutgoingHooks(syn, 0)
// SYN-ACK
synack := generateTCPPacketWithFlags(b, dstIP, srcIP, 80, 1024, uint16(conntrack.TCPSyn|conntrack.TCPAck))
manager.filterInbound(synack, 0)
manager.dropFilter(synack, 0)
// ACK
ack := generateTCPPacketWithFlags(b, srcIP, dstIP, 1024, 80, uint16(conntrack.TCPAck))
manager.filterOutbound(ack, 0)
manager.processOutgoingHooks(ack, 0)
}
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
manager.filterInbound(inbound, 0)
manager.dropFilter(inbound, 0)
}
})
}
@@ -568,17 +568,17 @@ func BenchmarkLongLivedConnections(b *testing.B) {
// Initial SYN
syn := generateTCPPacketWithFlags(b, srcIPs[i], dstIPs[i],
uint16(1024+i), 80, uint16(conntrack.TCPSyn))
manager.filterOutbound(syn, 0)
manager.processOutgoingHooks(syn, 0)
// SYN-ACK
synack := generateTCPPacketWithFlags(b, dstIPs[i], srcIPs[i],
80, uint16(1024+i), uint16(conntrack.TCPSyn|conntrack.TCPAck))
manager.filterInbound(synack, 0)
manager.dropFilter(synack, 0)
// ACK
ack := generateTCPPacketWithFlags(b, srcIPs[i], dstIPs[i],
uint16(1024+i), 80, uint16(conntrack.TCPAck))
manager.filterOutbound(ack, 0)
manager.processOutgoingHooks(ack, 0)
}
// Prepare test packets simulating bidirectional traffic
@@ -599,9 +599,9 @@ func BenchmarkLongLivedConnections(b *testing.B) {
// Simulate bidirectional traffic
// First outbound data
manager.filterOutbound(outPackets[connIdx], 0)
manager.processOutgoingHooks(outPackets[connIdx], 0)
// Then inbound response - this is what we're actually measuring
manager.filterInbound(inPackets[connIdx], 0)
manager.dropFilter(inPackets[connIdx], 0)
}
})
}
@@ -700,19 +700,19 @@ func BenchmarkShortLivedConnections(b *testing.B) {
p := patterns[connIdx]
// Connection establishment
manager.filterOutbound(p.syn, 0)
manager.filterInbound(p.synAck, 0)
manager.filterOutbound(p.ack, 0)
manager.processOutgoingHooks(p.syn, 0)
manager.dropFilter(p.synAck, 0)
manager.processOutgoingHooks(p.ack, 0)
// Data transfer
manager.filterOutbound(p.request, 0)
manager.filterInbound(p.response, 0)
manager.processOutgoingHooks(p.request, 0)
manager.dropFilter(p.response, 0)
// Connection teardown
manager.filterOutbound(p.finClient, 0)
manager.filterInbound(p.ackServer, 0)
manager.filterInbound(p.finServer, 0)
manager.filterOutbound(p.ackClient, 0)
manager.processOutgoingHooks(p.finClient, 0)
manager.dropFilter(p.ackServer, 0)
manager.dropFilter(p.finServer, 0)
manager.processOutgoingHooks(p.ackClient, 0)
}
})
}
@@ -760,15 +760,15 @@ func BenchmarkParallelLongLivedConnections(b *testing.B) {
for i := 0; i < sc.connCount; i++ {
syn := generateTCPPacketWithFlags(b, srcIPs[i], dstIPs[i],
uint16(1024+i), 80, uint16(conntrack.TCPSyn))
manager.filterOutbound(syn, 0)
manager.processOutgoingHooks(syn, 0)
synack := generateTCPPacketWithFlags(b, dstIPs[i], srcIPs[i],
80, uint16(1024+i), uint16(conntrack.TCPSyn|conntrack.TCPAck))
manager.filterInbound(synack, 0)
manager.dropFilter(synack, 0)
ack := generateTCPPacketWithFlags(b, srcIPs[i], dstIPs[i],
uint16(1024+i), 80, uint16(conntrack.TCPAck))
manager.filterOutbound(ack, 0)
manager.processOutgoingHooks(ack, 0)
}
// Pre-generate test packets
@@ -790,8 +790,8 @@ func BenchmarkParallelLongLivedConnections(b *testing.B) {
counter++
// Simulate bidirectional traffic
manager.filterOutbound(outPackets[connIdx], 0)
manager.filterInbound(inPackets[connIdx], 0)
manager.processOutgoingHooks(outPackets[connIdx], 0)
manager.dropFilter(inPackets[connIdx], 0)
}
})
})
@@ -879,17 +879,17 @@ func BenchmarkParallelShortLivedConnections(b *testing.B) {
p := patterns[connIdx]
// Full connection lifecycle
manager.filterOutbound(p.syn, 0)
manager.filterInbound(p.synAck, 0)
manager.filterOutbound(p.ack, 0)
manager.processOutgoingHooks(p.syn, 0)
manager.dropFilter(p.synAck, 0)
manager.processOutgoingHooks(p.ack, 0)
manager.filterOutbound(p.request, 0)
manager.filterInbound(p.response, 0)
manager.processOutgoingHooks(p.request, 0)
manager.dropFilter(p.response, 0)
manager.filterOutbound(p.finClient, 0)
manager.filterInbound(p.ackServer, 0)
manager.filterInbound(p.finServer, 0)
manager.filterOutbound(p.ackClient, 0)
manager.processOutgoingHooks(p.finClient, 0)
manager.dropFilter(p.ackServer, 0)
manager.dropFilter(p.finServer, 0)
manager.processOutgoingHooks(p.ackClient, 0)
}
})
})

View File

@@ -462,7 +462,7 @@ func TestPeerACLFiltering(t *testing.T) {
t.Run("Implicit DROP (no rules)", func(t *testing.T) {
packet := createTestPacket(t, "100.10.0.1", "100.10.0.100", fw.ProtocolTCP, 12345, 443)
isDropped := manager.FilterInbound(packet, 0)
isDropped := manager.DropIncoming(packet, 0)
require.True(t, isDropped, "Packet should be dropped when no rules exist")
})
@@ -509,7 +509,7 @@ func TestPeerACLFiltering(t *testing.T) {
})
packet := createTestPacket(t, tc.srcIP, tc.dstIP, tc.proto, tc.srcPort, tc.dstPort)
isDropped := manager.FilterInbound(packet, 0)
isDropped := manager.DropIncoming(packet, 0)
require.Equal(t, tc.shouldBeBlocked, isDropped)
})
}
@@ -1233,7 +1233,7 @@ func TestRouteACLFiltering(t *testing.T) {
srcIP := netip.MustParseAddr(tc.srcIP)
dstIP := netip.MustParseAddr(tc.dstIP)
// testing routeACLsPass only and not FilterInbound, as routed packets are dropped after being passed
// testing routeACLsPass only and not DropIncoming, as routed packets are dropped after being passed
// to the forwarder
_, isAllowed := manager.routeACLsPass(srcIP, dstIP, tc.proto, tc.srcPort, tc.dstPort)
require.Equal(t, tc.shouldPass, isAllowed)

View File

@@ -321,7 +321,7 @@ func TestNotMatchByIP(t *testing.T) {
return
}
if m.filterInbound(buf.Bytes(), 0) {
if m.dropFilter(buf.Bytes(), 0) {
t.Errorf("expected packet to be accepted")
return
}
@@ -447,7 +447,7 @@ func TestProcessOutgoingHooks(t *testing.T) {
require.NoError(t, err)
// Test hook gets called
result := manager.filterOutbound(buf.Bytes(), 0)
result := manager.processOutgoingHooks(buf.Bytes(), 0)
require.True(t, result)
require.True(t, hookCalled)
@@ -457,7 +457,7 @@ func TestProcessOutgoingHooks(t *testing.T) {
err = gopacket.SerializeLayers(buf, opts, ipv4)
require.NoError(t, err)
result = manager.filterOutbound(buf.Bytes(), 0)
result = manager.processOutgoingHooks(buf.Bytes(), 0)
require.False(t, result)
}
@@ -553,7 +553,7 @@ func TestStatefulFirewall_UDPTracking(t *testing.T) {
require.NoError(t, err)
// Process outbound packet and verify connection tracking
drop := manager.FilterOutbound(outboundBuf.Bytes(), 0)
drop := manager.DropOutgoing(outboundBuf.Bytes(), 0)
require.False(t, drop, "Initial outbound packet should not be dropped")
// Verify connection was tracked
@@ -620,7 +620,7 @@ func TestStatefulFirewall_UDPTracking(t *testing.T) {
for _, cp := range checkPoints {
time.Sleep(cp.sleep)
drop = manager.filterInbound(inboundBuf.Bytes(), 0)
drop = manager.dropFilter(inboundBuf.Bytes(), 0)
require.Equal(t, cp.shouldAllow, !drop, cp.description)
// If the connection should still be valid, verify it exists
@@ -669,7 +669,7 @@ func TestStatefulFirewall_UDPTracking(t *testing.T) {
}
// Create a new outbound connection for invalid tests
drop = manager.filterOutbound(outboundBuf.Bytes(), 0)
drop = manager.processOutgoingHooks(outboundBuf.Bytes(), 0)
require.False(t, drop, "Second outbound packet should not be dropped")
for _, tc := range invalidCases {
@@ -691,7 +691,7 @@ func TestStatefulFirewall_UDPTracking(t *testing.T) {
require.NoError(t, err)
// Verify the invalid packet is dropped
drop = manager.filterInbound(testBuf.Bytes(), 0)
drop = manager.dropFilter(testBuf.Bytes(), 0)
require.True(t, drop, tc.description)
})
}

View File

@@ -1,96 +0,0 @@
package bind
import (
"net/netip"
"sync"
"sync/atomic"
"time"
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/monotime"
)
const (
saveFrequency = int64(5 * time.Second)
)
type PeerRecord struct {
Address netip.AddrPort
LastActivity atomic.Int64 // UnixNano timestamp
}
type ActivityRecorder struct {
mu sync.RWMutex
peers map[string]*PeerRecord // publicKey to PeerRecord map
addrToPeer map[netip.AddrPort]*PeerRecord // address to PeerRecord map
}
func NewActivityRecorder() *ActivityRecorder {
return &ActivityRecorder{
peers: make(map[string]*PeerRecord),
addrToPeer: make(map[netip.AddrPort]*PeerRecord),
}
}
// GetLastActivities returns a snapshot of peer last activity
func (r *ActivityRecorder) GetLastActivities() map[string]monotime.Time {
r.mu.RLock()
defer r.mu.RUnlock()
activities := make(map[string]monotime.Time, len(r.peers))
for key, record := range r.peers {
monoTime := record.LastActivity.Load()
activities[key] = monotime.Time(monoTime)
}
return activities
}
// UpsertAddress adds or updates the address for a publicKey
func (r *ActivityRecorder) UpsertAddress(publicKey string, address netip.AddrPort) {
r.mu.Lock()
defer r.mu.Unlock()
var record *PeerRecord
record, exists := r.peers[publicKey]
if exists {
delete(r.addrToPeer, record.Address)
record.Address = address
} else {
record = &PeerRecord{
Address: address,
}
record.LastActivity.Store(int64(monotime.Now()))
r.peers[publicKey] = record
}
r.addrToPeer[address] = record
}
func (r *ActivityRecorder) Remove(publicKey string) {
r.mu.Lock()
defer r.mu.Unlock()
if record, exists := r.peers[publicKey]; exists {
delete(r.addrToPeer, record.Address)
delete(r.peers, publicKey)
}
}
// record updates LastActivity for the given address using atomic store
func (r *ActivityRecorder) record(address netip.AddrPort) {
r.mu.RLock()
record, ok := r.addrToPeer[address]
r.mu.RUnlock()
if !ok {
log.Warnf("could not find record for address %s", address)
return
}
now := int64(monotime.Now())
last := record.LastActivity.Load()
if now-last < saveFrequency {
return
}
_ = record.LastActivity.CompareAndSwap(last, now)
}

View File

@@ -1,25 +0,0 @@
package bind
import (
"net/netip"
"testing"
"time"
"github.com/netbirdio/netbird/monotime"
)
func TestActivityRecorder_GetLastActivities(t *testing.T) {
peer := "peer1"
ar := NewActivityRecorder()
ar.UpsertAddress("peer1", netip.MustParseAddrPort("192.168.0.5:51820"))
activities := ar.GetLastActivities()
p, ok := activities[peer]
if !ok {
t.Fatalf("Expected activity for peer %s, but got none", peer)
}
if monotime.Since(p) > 5*time.Second {
t.Fatalf("Expected activity for peer %s to be recent, but got %v", peer, p)
}
}

View File

@@ -1,15 +0,0 @@
package bind
import (
wireguard "golang.zx2c4.com/wireguard/conn"
nbnet "github.com/netbirdio/netbird/util/net"
)
// TODO: This is most likely obsolete since the control fns should be called by the wrapped udpconn (ice_bind.go)
func init() {
listener := nbnet.NewListener()
if listener.ListenConfig.Control != nil {
*wireguard.ControlFns = append(*wireguard.ControlFns, listener.ListenConfig.Control)
}
}

View File

@@ -0,0 +1,12 @@
package bind
import (
wireguard "golang.zx2c4.com/wireguard/conn"
nbnet "github.com/netbirdio/netbird/util/net"
)
func init() {
// ControlFns is not thread safe and should only be modified during init.
*wireguard.ControlFns = append(*wireguard.ControlFns, nbnet.ControlProtectSocket)
}

View File

@@ -1,7 +1,6 @@
package bind
import (
"encoding/binary"
"fmt"
"net"
"net/netip"
@@ -16,7 +15,6 @@ import (
wgConn "golang.zx2c4.com/wireguard/conn"
"github.com/netbirdio/netbird/client/iface/wgaddr"
nbnet "github.com/netbirdio/netbird/util/net"
)
type RecvMessage struct {
@@ -53,24 +51,22 @@ type ICEBind struct {
closedChanMu sync.RWMutex // protect the closeChan recreation from reading from it.
closed bool
muUDPMux sync.Mutex
udpMux *UniversalUDPMuxDefault
address wgaddr.Address
activityRecorder *ActivityRecorder
muUDPMux sync.Mutex
udpMux *UniversalUDPMuxDefault
address wgaddr.Address
}
func NewICEBind(transportNet transport.Net, filterFn FilterFn, address wgaddr.Address) *ICEBind {
b, _ := wgConn.NewStdNetBind().(*wgConn.StdNetBind)
ib := &ICEBind{
StdNetBind: b,
RecvChan: make(chan RecvMessage, 1),
transportNet: transportNet,
filterFn: filterFn,
endpoints: make(map[netip.Addr]net.Conn),
closedChan: make(chan struct{}),
closed: true,
address: address,
activityRecorder: NewActivityRecorder(),
StdNetBind: b,
RecvChan: make(chan RecvMessage, 1),
transportNet: transportNet,
filterFn: filterFn,
endpoints: make(map[netip.Addr]net.Conn),
closedChan: make(chan struct{}),
closed: true,
address: address,
}
rc := receiverCreator{
@@ -104,10 +100,6 @@ func (s *ICEBind) Close() error {
return s.StdNetBind.Close()
}
func (s *ICEBind) ActivityRecorder() *ActivityRecorder {
return s.activityRecorder
}
// GetICEMux returns the ICE UDPMux that was created and used by ICEBind
func (s *ICEBind) GetICEMux() (*UniversalUDPMuxDefault, error) {
s.muUDPMux.Lock()
@@ -154,7 +146,7 @@ func (s *ICEBind) createIPv4ReceiverFn(pc *ipv4.PacketConn, conn *net.UDPConn, r
s.udpMux = NewUniversalUDPMuxDefault(
UniversalUDPMuxParams{
UDPConn: nbnet.WrapUDPConn(conn),
UDPConn: conn,
Net: s.transportNet,
FilterFn: s.filterFn,
WGAddress: s.address,
@@ -207,11 +199,6 @@ func (s *ICEBind) createIPv4ReceiverFn(pc *ipv4.PacketConn, conn *net.UDPConn, r
continue
}
addrPort := msg.Addr.(*net.UDPAddr).AddrPort()
if isTransportPkg(msg.Buffers, msg.N) {
s.activityRecorder.record(addrPort)
}
ep := &wgConn.StdNetEndpoint{AddrPort: addrPort} // TODO: remove allocation
wgConn.GetSrcFromControl(msg.OOB[:msg.NN], ep)
eps[i] = ep
@@ -270,13 +257,6 @@ func (c *ICEBind) receiveRelayed(buffs [][]byte, sizes []int, eps []wgConn.Endpo
copy(buffs[0], msg.Buffer)
sizes[0] = len(msg.Buffer)
eps[0] = wgConn.Endpoint(msg.Endpoint)
if isTransportPkg(buffs, sizes[0]) {
if ep, ok := eps[0].(*Endpoint); ok {
c.activityRecorder.record(ep.AddrPort)
}
}
return 1, nil
}
}
@@ -292,19 +272,3 @@ func putMessages(msgs *[]ipv6.Message, msgsPool *sync.Pool) {
}
msgsPool.Put(msgs)
}
func isTransportPkg(buffers [][]byte, n int) bool {
// The first buffer should contain at least 4 bytes for type
if len(buffers[0]) < 4 {
return true
}
// WireGuard packet type is a little-endian uint32 at start
packetType := binary.LittleEndian.Uint32(buffers[0][:4])
// Check if packetType matches known WireGuard message types
if packetType == 4 && n > 32 {
return true
}
return false
}

View File

@@ -296,20 +296,14 @@ func (m *UDPMuxDefault) RemoveConnByUfrag(ufrag string) {
return
}
var allAddresses []string
m.addressMapMu.Lock()
defer m.addressMapMu.Unlock()
for _, c := range removedConns {
addresses := c.getAddresses()
allAddresses = append(allAddresses, addresses...)
}
m.addressMapMu.Lock()
for _, addr := range allAddresses {
delete(m.addressMap, addr)
}
m.addressMapMu.Unlock()
for _, addr := range allAddresses {
m.notifyAddressRemoval(addr)
for _, addr := range addresses {
delete(m.addressMap, addr)
}
}
}
@@ -357,13 +351,14 @@ func (m *UDPMuxDefault) registerConnForAddress(conn *udpMuxedConn, addr string)
}
m.addressMapMu.Lock()
defer m.addressMapMu.Unlock()
existing, ok := m.addressMap[addr]
if !ok {
existing = []*udpMuxedConn{}
}
existing = append(existing, conn)
m.addressMap[addr] = existing
m.addressMapMu.Unlock()
log.Debugf("ICE: registered %s for %s", addr, conn.params.Key)
}
@@ -391,12 +386,12 @@ func (m *UDPMuxDefault) HandleSTUNMessage(msg *stun.Message, addr net.Addr) erro
// If you are using the same socket for the Host and SRFLX candidates, it might be that there are more than one
// muxed connection - one for the SRFLX candidate and the other one for the HOST one.
// We will then forward STUN packets to each of these connections.
m.addressMapMu.RLock()
m.addressMapMu.Lock()
var destinationConnList []*udpMuxedConn
if storedConns, ok := m.addressMap[addr.String()]; ok {
destinationConnList = append(destinationConnList, storedConns...)
}
m.addressMapMu.RUnlock()
m.addressMapMu.Unlock()
var isIPv6 bool
if udpAddr, _ := addr.(*net.UDPAddr); udpAddr != nil && udpAddr.IP.To4() == nil {

View File

@@ -1,21 +0,0 @@
//go:build !ios
package bind
import (
nbnet "github.com/netbirdio/netbird/util/net"
)
func (m *UDPMuxDefault) notifyAddressRemoval(addr string) {
wrapped, ok := m.params.UDPConn.(*UDPConn)
if !ok {
return
}
nbnetConn, ok := wrapped.GetPacketConn().(*nbnet.UDPConn)
if !ok {
return
}
nbnetConn.RemoveAddress(addr)
}

View File

@@ -1,7 +0,0 @@
//go:build ios
package bind
func (m *UDPMuxDefault) notifyAddressRemoval(addr string) {
// iOS doesn't support nbnet hooks, so this is a no-op
}

View File

@@ -62,7 +62,7 @@ func NewUniversalUDPMuxDefault(params UniversalUDPMuxParams) *UniversalUDPMuxDef
// wrap UDP connection, process server reflexive messages
// before they are passed to the UDPMux connection handler (connWorker)
m.params.UDPConn = &UDPConn{
m.params.UDPConn = &udpConn{
PacketConn: params.UDPConn,
mux: m,
logger: params.Logger,
@@ -70,6 +70,7 @@ func NewUniversalUDPMuxDefault(params UniversalUDPMuxParams) *UniversalUDPMuxDef
address: params.WGAddress,
}
// embed UDPMux
udpMuxParams := UDPMuxParams{
Logger: params.Logger,
UDPConn: m.params.UDPConn,
@@ -113,8 +114,8 @@ func (m *UniversalUDPMuxDefault) ReadFromConn(ctx context.Context) {
}
}
// UDPConn is a wrapper around UDPMux conn that overrides ReadFrom and handles STUN/TURN packets
type UDPConn struct {
// udpConn is a wrapper around UDPMux conn that overrides ReadFrom and handles STUN/TURN packets
type udpConn struct {
net.PacketConn
mux *UniversalUDPMuxDefault
logger logging.LeveledLogger
@@ -124,12 +125,7 @@ type UDPConn struct {
address wgaddr.Address
}
// GetPacketConn returns the underlying PacketConn
func (u *UDPConn) GetPacketConn() net.PacketConn {
return u.PacketConn
}
func (u *UDPConn) WriteTo(b []byte, addr net.Addr) (int, error) {
func (u *udpConn) WriteTo(b []byte, addr net.Addr) (int, error) {
if u.filterFn == nil {
return u.PacketConn.WriteTo(b, addr)
}
@@ -141,21 +137,21 @@ func (u *UDPConn) WriteTo(b []byte, addr net.Addr) (int, error) {
return u.handleUncachedAddress(b, addr)
}
func (u *UDPConn) handleCachedAddress(isRouted bool, b []byte, addr net.Addr) (int, error) {
func (u *udpConn) handleCachedAddress(isRouted bool, b []byte, addr net.Addr) (int, error) {
if isRouted {
return 0, fmt.Errorf("address %s is part of a routed network, refusing to write", addr)
}
return u.PacketConn.WriteTo(b, addr)
}
func (u *UDPConn) handleUncachedAddress(b []byte, addr net.Addr) (int, error) {
func (u *udpConn) handleUncachedAddress(b []byte, addr net.Addr) (int, error) {
if err := u.performFilterCheck(addr); err != nil {
return 0, err
}
return u.PacketConn.WriteTo(b, addr)
}
func (u *UDPConn) performFilterCheck(addr net.Addr) error {
func (u *udpConn) performFilterCheck(addr net.Addr) error {
host, err := getHostFromAddr(addr)
if err != nil {
log.Errorf("Failed to get host from address %s: %v", addr, err)

View File

@@ -11,8 +11,6 @@ import (
log "github.com/sirupsen/logrus"
"golang.zx2c4.com/wireguard/wgctrl"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
"github.com/netbirdio/netbird/monotime"
)
var zeroKey wgtypes.Key
@@ -278,7 +276,3 @@ func (c *KernelConfigurer) GetStats() (map[string]WGStats, error) {
}
return stats, nil
}
func (c *KernelConfigurer) LastActivities() map[string]monotime.Time {
return nil
}

View File

@@ -3,4 +3,4 @@
package configurer
// WgInterfaceDefault is a default interface name of Netbird
const WgInterfaceDefault = "nb0"
const WgInterfaceDefault = "wt0"

View File

@@ -16,8 +16,6 @@ import (
"golang.zx2c4.com/wireguard/device"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
"github.com/netbirdio/netbird/client/iface/bind"
"github.com/netbirdio/netbird/monotime"
nbnet "github.com/netbirdio/netbird/util/net"
)
@@ -38,18 +36,16 @@ const (
var ErrAllowedIPNotFound = fmt.Errorf("allowed IP not found")
type WGUSPConfigurer struct {
device *device.Device
deviceName string
activityRecorder *bind.ActivityRecorder
device *device.Device
deviceName string
uapiListener net.Listener
}
func NewUSPConfigurer(device *device.Device, deviceName string, activityRecorder *bind.ActivityRecorder) *WGUSPConfigurer {
func NewUSPConfigurer(device *device.Device, deviceName string) *WGUSPConfigurer {
wgCfg := &WGUSPConfigurer{
device: device,
deviceName: deviceName,
activityRecorder: activityRecorder,
device: device,
deviceName: deviceName,
}
wgCfg.startUAPI()
return wgCfg
@@ -91,19 +87,7 @@ func (c *WGUSPConfigurer) UpdatePeer(peerKey string, allowedIps []netip.Prefix,
Peers: []wgtypes.PeerConfig{peer},
}
if ipcErr := c.device.IpcSet(toWgUserspaceString(config)); ipcErr != nil {
return ipcErr
}
if endpoint != nil {
addr, err := netip.ParseAddr(endpoint.IP.String())
if err != nil {
return fmt.Errorf("failed to parse endpoint address: %w", err)
}
addrPort := netip.AddrPortFrom(addr, uint16(endpoint.Port))
c.activityRecorder.UpsertAddress(peerKey, addrPort)
}
return nil
return c.device.IpcSet(toWgUserspaceString(config))
}
func (c *WGUSPConfigurer) RemovePeer(peerKey string) error {
@@ -120,10 +104,7 @@ func (c *WGUSPConfigurer) RemovePeer(peerKey string) error {
config := wgtypes.Config{
Peers: []wgtypes.PeerConfig{peer},
}
ipcErr := c.device.IpcSet(toWgUserspaceString(config))
c.activityRecorder.Remove(peerKey)
return ipcErr
return c.device.IpcSet(toWgUserspaceString(config))
}
func (c *WGUSPConfigurer) AddAllowedIP(peerKey string, allowedIP netip.Prefix) error {
@@ -224,10 +205,6 @@ func (c *WGUSPConfigurer) FullStats() (*Stats, error) {
return parseStatus(c.deviceName, ipcStr)
}
func (c *WGUSPConfigurer) LastActivities() map[string]monotime.Time {
return c.activityRecorder.GetLastActivities()
}
// startUAPI starts the UAPI listener for managing the WireGuard interface via external tool
func (t *WGUSPConfigurer) startUAPI() {
var err error

View File

@@ -79,7 +79,7 @@ func (t *WGTunDevice) Create(routes []string, dns string, searchDomains []string
// this helps with support for the older NetBird clients that had a hardcoded direct mode
// t.device.DisableSomeRoamingForBrokenMobileSemantics()
t.configurer = configurer.NewUSPConfigurer(t.device, t.name, t.iceBind.ActivityRecorder())
t.configurer = configurer.NewUSPConfigurer(t.device, t.name)
err = t.configurer.ConfigureInterface(t.key, t.port)
if err != nil {
t.device.Close()

View File

@@ -61,7 +61,7 @@ func (t *TunDevice) Create() (WGConfigurer, error) {
return nil, fmt.Errorf("error assigning ip: %s", err)
}
t.configurer = configurer.NewUSPConfigurer(t.device, t.name, t.iceBind.ActivityRecorder())
t.configurer = configurer.NewUSPConfigurer(t.device, t.name)
err = t.configurer.ConfigureInterface(t.key, t.port)
if err != nil {
t.device.Close()

View File

@@ -9,11 +9,11 @@ import (
// PacketFilter interface for firewall abilities
type PacketFilter interface {
// FilterOutbound filter outgoing packets from host to external destinations
FilterOutbound(packetData []byte, size int) bool
// DropOutgoing filter outgoing packets from host to external destinations
DropOutgoing(packetData []byte, size int) bool
// FilterInbound filter incoming packets from external sources to host
FilterInbound(packetData []byte, size int) bool
// DropIncoming filter incoming packets from external sources to host
DropIncoming(packetData []byte, size int) bool
// AddUDPPacketHook calls hook when UDP packet from given direction matched
//
@@ -54,7 +54,7 @@ func (d *FilteredDevice) Read(bufs [][]byte, sizes []int, offset int) (n int, er
}
for i := 0; i < n; i++ {
if filter.FilterOutbound(bufs[i][offset:offset+sizes[i]], sizes[i]) {
if filter.DropOutgoing(bufs[i][offset:offset+sizes[i]], sizes[i]) {
bufs = append(bufs[:i], bufs[i+1:]...)
sizes = append(sizes[:i], sizes[i+1:]...)
n--
@@ -78,7 +78,7 @@ func (d *FilteredDevice) Write(bufs [][]byte, offset int) (int, error) {
filteredBufs := make([][]byte, 0, len(bufs))
dropped := 0
for _, buf := range bufs {
if !filter.FilterInbound(buf[offset:], len(buf)) {
if !filter.DropIncoming(buf[offset:], len(buf)) {
filteredBufs = append(filteredBufs, buf)
dropped++
}

View File

@@ -146,7 +146,7 @@ func TestDeviceWrapperRead(t *testing.T) {
tun.EXPECT().Write(mockBufs, 0).Return(0, nil)
filter := mocks.NewMockPacketFilter(ctrl)
filter.EXPECT().FilterInbound(gomock.Any(), gomock.Any()).Return(true)
filter.EXPECT().DropIncoming(gomock.Any(), gomock.Any()).Return(true)
wrapped := newDeviceFilter(tun)
wrapped.filter = filter
@@ -201,7 +201,7 @@ func TestDeviceWrapperRead(t *testing.T) {
return 1, nil
})
filter := mocks.NewMockPacketFilter(ctrl)
filter.EXPECT().FilterOutbound(gomock.Any(), gomock.Any()).Return(true)
filter.EXPECT().DropOutgoing(gomock.Any(), gomock.Any()).Return(true)
wrapped := newDeviceFilter(tun)
wrapped.filter = filter

View File

@@ -71,7 +71,7 @@ func (t *TunDevice) Create() (WGConfigurer, error) {
// this helps with support for the older NetBird clients that had a hardcoded direct mode
// t.device.DisableSomeRoamingForBrokenMobileSemantics()
t.configurer = configurer.NewUSPConfigurer(t.device, t.name, t.iceBind.ActivityRecorder())
t.configurer = configurer.NewUSPConfigurer(t.device, t.name)
err = t.configurer.ConfigureInterface(t.key, t.port)
if err != nil {
t.device.Close()

View File

@@ -72,7 +72,7 @@ func (t *TunNetstackDevice) Create() (WGConfigurer, error) {
device.NewLogger(wgLogLevel(), "[netbird] "),
)
t.configurer = configurer.NewUSPConfigurer(t.device, t.name, t.iceBind.ActivityRecorder())
t.configurer = configurer.NewUSPConfigurer(t.device, t.name)
err = t.configurer.ConfigureInterface(t.key, t.port)
if err != nil {
_ = tunIface.Close()

View File

@@ -64,7 +64,7 @@ func (t *USPDevice) Create() (WGConfigurer, error) {
return nil, fmt.Errorf("error assigning ip: %s", err)
}
t.configurer = configurer.NewUSPConfigurer(t.device, t.name, t.iceBind.ActivityRecorder())
t.configurer = configurer.NewUSPConfigurer(t.device, t.name)
err = t.configurer.ConfigureInterface(t.key, t.port)
if err != nil {
t.device.Close()

View File

@@ -94,7 +94,7 @@ func (t *TunDevice) Create() (WGConfigurer, error) {
return nil, fmt.Errorf("error assigning ip: %s", err)
}
t.configurer = configurer.NewUSPConfigurer(t.device, t.name, t.iceBind.ActivityRecorder())
t.configurer = configurer.NewUSPConfigurer(t.device, t.name)
err = t.configurer.ConfigureInterface(t.key, t.port)
if err != nil {
t.device.Close()

View File

@@ -8,7 +8,6 @@ import (
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
"github.com/netbirdio/netbird/client/iface/configurer"
"github.com/netbirdio/netbird/monotime"
)
type WGConfigurer interface {
@@ -20,5 +19,4 @@ type WGConfigurer interface {
Close()
GetStats() (map[string]configurer.WGStats, error)
FullStats() (*configurer.Stats, error)
LastActivities() map[string]monotime.Time
}

View File

@@ -21,7 +21,6 @@ import (
"github.com/netbirdio/netbird/client/iface/device"
"github.com/netbirdio/netbird/client/iface/wgaddr"
"github.com/netbirdio/netbird/client/iface/wgproxy"
"github.com/netbirdio/netbird/monotime"
)
const (
@@ -30,11 +29,6 @@ const (
WgInterfaceDefault = configurer.WgInterfaceDefault
)
var (
// ErrIfaceNotFound is returned when the WireGuard interface is not found
ErrIfaceNotFound = fmt.Errorf("wireguard interface not found")
)
type wgProxyFactory interface {
GetProxy() wgproxy.Proxy
Free() error
@@ -123,9 +117,6 @@ func (w *WGIface) UpdateAddr(newAddr string) error {
func (w *WGIface) UpdatePeer(peerKey string, allowedIps []netip.Prefix, keepAlive time.Duration, endpoint *net.UDPAddr, preSharedKey *wgtypes.Key) error {
w.mu.Lock()
defer w.mu.Unlock()
if w.configurer == nil {
return ErrIfaceNotFound
}
log.Debugf("updating interface %s peer %s, endpoint %s, allowedIPs %v", w.tun.DeviceName(), peerKey, endpoint, allowedIps)
return w.configurer.UpdatePeer(peerKey, allowedIps, keepAlive, endpoint, preSharedKey)
@@ -135,9 +126,6 @@ func (w *WGIface) UpdatePeer(peerKey string, allowedIps []netip.Prefix, keepAliv
func (w *WGIface) RemovePeer(peerKey string) error {
w.mu.Lock()
defer w.mu.Unlock()
if w.configurer == nil {
return ErrIfaceNotFound
}
log.Debugf("Removing peer %s from interface %s ", peerKey, w.tun.DeviceName())
return w.configurer.RemovePeer(peerKey)
@@ -147,9 +135,6 @@ func (w *WGIface) RemovePeer(peerKey string) error {
func (w *WGIface) AddAllowedIP(peerKey string, allowedIP netip.Prefix) error {
w.mu.Lock()
defer w.mu.Unlock()
if w.configurer == nil {
return ErrIfaceNotFound
}
log.Debugf("Adding allowed IP to interface %s and peer %s: allowed IP %s ", w.tun.DeviceName(), peerKey, allowedIP)
return w.configurer.AddAllowedIP(peerKey, allowedIP)
@@ -159,9 +144,6 @@ func (w *WGIface) AddAllowedIP(peerKey string, allowedIP netip.Prefix) error {
func (w *WGIface) RemoveAllowedIP(peerKey string, allowedIP netip.Prefix) error {
w.mu.Lock()
defer w.mu.Unlock()
if w.configurer == nil {
return ErrIfaceNotFound
}
log.Debugf("Removing allowed IP from interface %s and peer %s: allowed IP %s ", w.tun.DeviceName(), peerKey, allowedIP)
return w.configurer.RemoveAllowedIP(peerKey, allowedIP)
@@ -232,29 +214,10 @@ func (w *WGIface) GetWGDevice() *wgdevice.Device {
// GetStats returns the last handshake time, rx and tx bytes
func (w *WGIface) GetStats() (map[string]configurer.WGStats, error) {
if w.configurer == nil {
return nil, ErrIfaceNotFound
}
return w.configurer.GetStats()
}
func (w *WGIface) LastActivities() map[string]monotime.Time {
w.mu.Lock()
defer w.mu.Unlock()
if w.configurer == nil {
return nil
}
return w.configurer.LastActivities()
}
func (w *WGIface) FullStats() (*configurer.Stats, error) {
if w.configurer == nil {
return nil, ErrIfaceNotFound
}
return w.configurer.FullStats()
}

View File

@@ -48,32 +48,32 @@ func (mr *MockPacketFilterMockRecorder) AddUDPPacketHook(arg0, arg1, arg2, arg3
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AddUDPPacketHook", reflect.TypeOf((*MockPacketFilter)(nil).AddUDPPacketHook), arg0, arg1, arg2, arg3)
}
// FilterInbound mocks base method.
func (m *MockPacketFilter) FilterInbound(arg0 []byte, arg1 int) bool {
// DropIncoming mocks base method.
func (m *MockPacketFilter) DropIncoming(arg0 []byte, arg1 int) bool {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "FilterInbound", arg0, arg1)
ret := m.ctrl.Call(m, "DropIncoming", arg0, arg1)
ret0, _ := ret[0].(bool)
return ret0
}
// FilterInbound indicates an expected call of FilterInbound.
func (mr *MockPacketFilterMockRecorder) FilterInbound(arg0 interface{}, arg1 any) *gomock.Call {
// DropIncoming indicates an expected call of DropIncoming.
func (mr *MockPacketFilterMockRecorder) DropIncoming(arg0 interface{}, arg1 any) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FilterInbound", reflect.TypeOf((*MockPacketFilter)(nil).FilterInbound), arg0, arg1)
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DropIncoming", reflect.TypeOf((*MockPacketFilter)(nil).DropIncoming), arg0, arg1)
}
// FilterOutbound mocks base method.
func (m *MockPacketFilter) FilterOutbound(arg0 []byte, arg1 int) bool {
// DropOutgoing mocks base method.
func (m *MockPacketFilter) DropOutgoing(arg0 []byte, arg1 int) bool {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "FilterOutbound", arg0, arg1)
ret := m.ctrl.Call(m, "DropOutgoing", arg0, arg1)
ret0, _ := ret[0].(bool)
return ret0
}
// FilterOutbound indicates an expected call of FilterOutbound.
func (mr *MockPacketFilterMockRecorder) FilterOutbound(arg0 interface{}, arg1 any) *gomock.Call {
// DropOutgoing indicates an expected call of DropOutgoing.
func (mr *MockPacketFilterMockRecorder) DropOutgoing(arg0 interface{}, arg1 any) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FilterOutbound", reflect.TypeOf((*MockPacketFilter)(nil).FilterOutbound), arg0, arg1)
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DropOutgoing", reflect.TypeOf((*MockPacketFilter)(nil).DropOutgoing), arg0, arg1)
}
// RemovePacketHook mocks base method.

View File

@@ -46,32 +46,32 @@ func (mr *MockPacketFilterMockRecorder) AddUDPPacketHook(arg0, arg1, arg2, arg3
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AddUDPPacketHook", reflect.TypeOf((*MockPacketFilter)(nil).AddUDPPacketHook), arg0, arg1, arg2, arg3)
}
// FilterInbound mocks base method.
func (m *MockPacketFilter) FilterInbound(arg0 []byte) bool {
// DropIncoming mocks base method.
func (m *MockPacketFilter) DropIncoming(arg0 []byte) bool {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "FilterInbound", arg0)
ret := m.ctrl.Call(m, "DropIncoming", arg0)
ret0, _ := ret[0].(bool)
return ret0
}
// FilterInbound indicates an expected call of FilterInbound.
func (mr *MockPacketFilterMockRecorder) FilterInbound(arg0 interface{}) *gomock.Call {
// DropIncoming indicates an expected call of DropIncoming.
func (mr *MockPacketFilterMockRecorder) DropIncoming(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FilterInbound", reflect.TypeOf((*MockPacketFilter)(nil).FilterInbound), arg0)
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DropIncoming", reflect.TypeOf((*MockPacketFilter)(nil).DropIncoming), arg0)
}
// FilterOutbound mocks base method.
func (m *MockPacketFilter) FilterOutbound(arg0 []byte) bool {
// DropOutgoing mocks base method.
func (m *MockPacketFilter) DropOutgoing(arg0 []byte) bool {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "FilterOutbound", arg0)
ret := m.ctrl.Call(m, "DropOutgoing", arg0)
ret0, _ := ret[0].(bool)
return ret0
}
// FilterOutbound indicates an expected call of FilterOutbound.
func (mr *MockPacketFilterMockRecorder) FilterOutbound(arg0 interface{}) *gomock.Call {
// DropOutgoing indicates an expected call of DropOutgoing.
func (mr *MockPacketFilterMockRecorder) DropOutgoing(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FilterOutbound", reflect.TypeOf((*MockPacketFilter)(nil).FilterOutbound), arg0)
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DropOutgoing", reflect.TypeOf((*MockPacketFilter)(nil).DropOutgoing), arg0)
}
// SetNetwork mocks base method.

View File

@@ -41,12 +41,9 @@ func (t *NetStackTun) Create() (tun.Device, *netstack.Net, error) {
}
t.tundev = nsTunDev
var skipProxy bool
if val := os.Getenv(EnvSkipProxy); val != "" {
skipProxy, err = strconv.ParseBool(val)
if err != nil {
log.Errorf("failed to parse %s: %s", EnvSkipProxy, err)
}
skipProxy, err := strconv.ParseBool(os.Getenv(EnvSkipProxy))
if err != nil {
log.Errorf("failed to parse %s: %s", EnvSkipProxy, err)
}
if skipProxy {
return nsTunDev, tunNet, nil

View File

@@ -12,7 +12,6 @@ import (
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/client/iface/bind"
"github.com/netbirdio/netbird/client/iface/wgproxy/listener"
)
type ProxyBind struct {
@@ -29,17 +28,6 @@ type ProxyBind struct {
pausedMu sync.Mutex
paused bool
isStarted bool
closeListener *listener.CloseListener
}
func NewProxyBind(bind *bind.ICEBind) *ProxyBind {
p := &ProxyBind{
Bind: bind,
closeListener: listener.NewCloseListener(),
}
return p
}
// AddTurnConn adds a new connection to the bind.
@@ -66,10 +54,6 @@ func (p *ProxyBind) EndpointAddr() *net.UDPAddr {
}
}
func (p *ProxyBind) SetDisconnectListener(disconnected func()) {
p.closeListener.SetCloseListener(disconnected)
}
func (p *ProxyBind) Work() {
if p.remoteConn == nil {
return
@@ -112,9 +96,6 @@ func (p *ProxyBind) close() error {
if p.closed {
return nil
}
p.closeListener.SetCloseListener(nil)
p.closed = true
p.cancel()
@@ -141,7 +122,6 @@ func (p *ProxyBind) proxyToLocal(ctx context.Context) {
if ctx.Err() != nil {
return
}
p.closeListener.Notify()
log.Errorf("failed to read from remote conn: %s, %s", p.remoteConn.RemoteAddr(), err)
return
}

View File

@@ -11,8 +11,6 @@ import (
"sync"
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/client/iface/wgproxy/listener"
)
// ProxyWrapper help to keep the remoteConn instance for net.Conn.Close function call
@@ -28,15 +26,6 @@ type ProxyWrapper struct {
pausedMu sync.Mutex
paused bool
isStarted bool
closeListener *listener.CloseListener
}
func NewProxyWrapper(WgeBPFProxy *WGEBPFProxy) *ProxyWrapper {
return &ProxyWrapper{
WgeBPFProxy: WgeBPFProxy,
closeListener: listener.NewCloseListener(),
}
}
func (p *ProxyWrapper) AddTurnConn(ctx context.Context, endpoint *net.UDPAddr, remoteConn net.Conn) error {
@@ -54,10 +43,6 @@ func (p *ProxyWrapper) EndpointAddr() *net.UDPAddr {
return p.wgEndpointAddr
}
func (p *ProxyWrapper) SetDisconnectListener(disconnected func()) {
p.closeListener.SetCloseListener(disconnected)
}
func (p *ProxyWrapper) Work() {
if p.remoteConn == nil {
return
@@ -92,8 +77,6 @@ func (e *ProxyWrapper) CloseConn() error {
e.cancel()
e.closeListener.SetCloseListener(nil)
if err := e.remoteConn.Close(); err != nil && !errors.Is(err, net.ErrClosed) {
return fmt.Errorf("failed to close remote conn: %w", err)
}
@@ -134,7 +117,6 @@ func (p *ProxyWrapper) readFromRemote(ctx context.Context, buf []byte) (int, err
if ctx.Err() != nil {
return 0, ctx.Err()
}
p.closeListener.Notify()
if !errors.Is(err, io.EOF) {
log.Errorf("failed to read from turn conn (endpoint: :%d): %s", p.wgEndpointAddr.Port, err)
}

View File

@@ -36,8 +36,9 @@ func (w *KernelFactory) GetProxy() Proxy {
return udpProxy.NewWGUDPProxy(w.wgPort)
}
return ebpf.NewProxyWrapper(w.ebpfProxy)
return &ebpf.ProxyWrapper{
WgeBPFProxy: w.ebpfProxy,
}
}
func (w *KernelFactory) Free() error {

View File

@@ -20,7 +20,9 @@ func NewUSPFactory(iceBind *bind.ICEBind) *USPFactory {
}
func (w *USPFactory) GetProxy() Proxy {
return proxyBind.NewProxyBind(w.bind)
return &proxyBind.ProxyBind{
Bind: w.bind,
}
}
func (w *USPFactory) Free() error {

View File

@@ -1,19 +0,0 @@
package listener
type CloseListener struct {
listener func()
}
func NewCloseListener() *CloseListener {
return &CloseListener{}
}
func (c *CloseListener) SetCloseListener(listener func()) {
c.listener = listener
}
func (c *CloseListener) Notify() {
if c.listener != nil {
c.listener()
}
}

View File

@@ -12,5 +12,4 @@ type Proxy interface {
Work() // Work start or resume the proxy
Pause() // Pause to forward the packages from remote connection to WireGuard. The opposite way still works.
CloseConn() error
SetDisconnectListener(disconnected func())
}

View File

@@ -98,7 +98,9 @@ func TestProxyCloseByRemoteConn(t *testing.T) {
t.Errorf("failed to free ebpf proxy: %s", err)
}
}()
proxyWrapper := ebpf.NewProxyWrapper(ebpfProxy)
proxyWrapper := &ebpf.ProxyWrapper{
WgeBPFProxy: ebpfProxy,
}
tests = append(tests, struct {
name string

View File

@@ -12,7 +12,6 @@ import (
log "github.com/sirupsen/logrus"
cerrors "github.com/netbirdio/netbird/client/errors"
"github.com/netbirdio/netbird/client/iface/wgproxy/listener"
)
// WGUDPProxy proxies
@@ -29,8 +28,6 @@ type WGUDPProxy struct {
pausedMu sync.Mutex
paused bool
isStarted bool
closeListener *listener.CloseListener
}
// NewWGUDPProxy instantiate a UDP based WireGuard proxy. This is not a thread safe implementation
@@ -38,7 +35,6 @@ func NewWGUDPProxy(wgPort int) *WGUDPProxy {
log.Debugf("Initializing new user space proxy with port %d", wgPort)
p := &WGUDPProxy{
localWGListenPort: wgPort,
closeListener: listener.NewCloseListener(),
}
return p
}
@@ -71,10 +67,6 @@ func (p *WGUDPProxy) EndpointAddr() *net.UDPAddr {
return endpointUdpAddr
}
func (p *WGUDPProxy) SetDisconnectListener(disconnected func()) {
p.closeListener.SetCloseListener(disconnected)
}
// Work starts the proxy or resumes it if it was paused
func (p *WGUDPProxy) Work() {
if p.remoteConn == nil {
@@ -119,8 +111,6 @@ func (p *WGUDPProxy) close() error {
if p.closed {
return nil
}
p.closeListener.SetCloseListener(nil)
p.closed = true
p.cancel()
@@ -151,7 +141,6 @@ func (p *WGUDPProxy) proxyToRemote(ctx context.Context) {
if ctx.Err() != nil {
return
}
p.closeListener.Notify()
log.Debugf("failed to read from wg interface conn: %s", err)
return
}

View File

@@ -39,7 +39,7 @@ const (
)
var defaultInterfaceBlacklist = []string{
iface.WgInterfaceDefault, "nb", "wt", "utun", "tun0", "zt", "ZeroTier", "wg", "ts",
iface.WgInterfaceDefault, "wt", "utun", "tun0", "zt", "ZeroTier", "wg", "ts",
"Tailscale", "tailscale", "docker", "veth", "br-", "lo",
}

View File

@@ -12,6 +12,7 @@ import (
"github.com/netbirdio/netbird/client/internal/lazyconn"
"github.com/netbirdio/netbird/client/internal/lazyconn/manager"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/peer/dispatcher"
"github.com/netbirdio/netbird/client/internal/peerstore"
"github.com/netbirdio/netbird/route"
)
@@ -25,11 +26,11 @@ import (
//
// The implementation is not thread-safe; it is protected by engine.syncMsgMux.
type ConnMgr struct {
peerStore *peerstore.Store
statusRecorder *peer.Status
iface lazyconn.WGIface
enabledLocally bool
rosenpassEnabled bool
peerStore *peerstore.Store
statusRecorder *peer.Status
iface lazyconn.WGIface
dispatcher *dispatcher.ConnectionDispatcher
enabledLocally bool
lazyConnMgr *manager.Manager
@@ -38,12 +39,12 @@ type ConnMgr struct {
lazyCtxCancel context.CancelFunc
}
func NewConnMgr(engineConfig *EngineConfig, statusRecorder *peer.Status, peerStore *peerstore.Store, iface lazyconn.WGIface) *ConnMgr {
func NewConnMgr(engineConfig *EngineConfig, statusRecorder *peer.Status, peerStore *peerstore.Store, iface lazyconn.WGIface, dispatcher *dispatcher.ConnectionDispatcher) *ConnMgr {
e := &ConnMgr{
peerStore: peerStore,
statusRecorder: statusRecorder,
iface: iface,
rosenpassEnabled: engineConfig.RosenpassEnabled,
peerStore: peerStore,
statusRecorder: statusRecorder,
iface: iface,
dispatcher: dispatcher,
}
if engineConfig.LazyConnectionEnabled || lazyconn.IsLazyConnEnabledByEnv() {
e.enabledLocally = true
@@ -63,11 +64,6 @@ func (e *ConnMgr) Start(ctx context.Context) {
return
}
if e.rosenpassEnabled {
log.Warnf("rosenpass connection manager is enabled, lazy connection manager will not be started")
return
}
e.initLazyManager(ctx)
e.statusRecorder.UpdateLazyConnection(true)
}
@@ -87,12 +83,7 @@ func (e *ConnMgr) UpdatedRemoteFeatureFlag(ctx context.Context, enabled bool) er
return nil
}
if e.rosenpassEnabled {
log.Infof("rosenpass connection manager is enabled, lazy connection manager will not be started")
return nil
}
log.Warnf("lazy connection manager is enabled by management feature flag")
log.Infof("lazy connection manager is enabled by management feature flag")
e.initLazyManager(ctx)
e.statusRecorder.UpdateLazyConnection(true)
return e.addPeersToLazyConnManager()
@@ -142,7 +133,7 @@ func (e *ConnMgr) SetExcludeList(ctx context.Context, peerIDs map[string]bool) {
excludedPeers = append(excludedPeers, lazyPeerCfg)
}
added := e.lazyConnMgr.ExcludePeer(excludedPeers)
added := e.lazyConnMgr.ExcludePeer(e.lazyCtx, excludedPeers)
for _, peerID := range added {
var peerConn *peer.Conn
var exists bool
@@ -184,7 +175,7 @@ func (e *ConnMgr) AddPeerConn(ctx context.Context, peerKey string, conn *peer.Co
PeerConnID: conn.ConnID(),
Log: conn.Log,
}
excluded, err := e.lazyConnMgr.AddPeer(lazyPeerCfg)
excluded, err := e.lazyConnMgr.AddPeer(e.lazyCtx, lazyPeerCfg)
if err != nil {
conn.Log.Errorf("failed to add peer to lazyconn manager: %v", err)
if err := conn.Open(ctx); err != nil {
@@ -210,7 +201,7 @@ func (e *ConnMgr) RemovePeerConn(peerKey string) {
if !ok {
return
}
defer conn.Close(false)
defer conn.Close()
if !e.isStartedWithLazyMgr() {
return
@@ -220,27 +211,23 @@ func (e *ConnMgr) RemovePeerConn(peerKey string) {
conn.Log.Infof("removed peer from lazy conn manager")
}
func (e *ConnMgr) ActivatePeer(ctx context.Context, conn *peer.Conn) {
if !e.isStartedWithLazyMgr() {
return
func (e *ConnMgr) OnSignalMsg(ctx context.Context, peerKey string) (*peer.Conn, bool) {
conn, ok := e.peerStore.PeerConn(peerKey)
if !ok {
return nil, false
}
if found := e.lazyConnMgr.ActivatePeer(conn.GetKey()); found {
if !e.isStartedWithLazyMgr() {
return conn, true
}
if found := e.lazyConnMgr.ActivatePeer(e.lazyCtx, peerKey); found {
conn.Log.Infof("activated peer from inactive state")
if err := conn.Open(ctx); err != nil {
conn.Log.Errorf("failed to open connection: %v", err)
}
}
}
// DeactivatePeer deactivates a peer connection in the lazy connection manager.
// If locally the lazy connection is disabled, we force the peer connection open.
func (e *ConnMgr) DeactivatePeer(conn *peer.Conn) {
if !e.isStartedWithLazyMgr() {
return
}
conn.Log.Infof("closing peer connection: remote peer initiated inactive, idle lazy state and sent GOAWAY")
e.lazyConnMgr.DeactivatePeer(conn.ConnID())
return conn, true
}
func (e *ConnMgr) Close() {
@@ -257,7 +244,7 @@ func (e *ConnMgr) initLazyManager(engineCtx context.Context) {
cfg := manager.Config{
InactivityThreshold: inactivityThresholdEnv(),
}
e.lazyConnMgr = manager.NewManager(cfg, engineCtx, e.peerStore, e.iface)
e.lazyConnMgr = manager.NewManager(cfg, engineCtx, e.peerStore, e.iface, e.dispatcher)
e.lazyCtx, e.lazyCtxCancel = context.WithCancel(engineCtx)
@@ -288,7 +275,7 @@ func (e *ConnMgr) addPeersToLazyConnManager() error {
lazyPeerCfgs = append(lazyPeerCfgs, lazyPeerCfg)
}
return e.lazyConnMgr.AddActivePeers(lazyPeerCfgs)
return e.lazyConnMgr.AddActivePeers(e.lazyCtx, lazyPeerCfgs)
}
func (e *ConnMgr) closeManager(ctx context.Context) {

View File

@@ -167,7 +167,6 @@ type BundleGenerator struct {
anonymize bool
clientStatus string
includeSystemInfo bool
logFileCount uint32
archive *zip.Writer
}
@@ -176,7 +175,6 @@ type BundleConfig struct {
Anonymize bool
ClientStatus string
IncludeSystemInfo bool
LogFileCount uint32
}
type GeneratorDependencies struct {
@@ -187,12 +185,6 @@ type GeneratorDependencies struct {
}
func NewBundleGenerator(deps GeneratorDependencies, cfg BundleConfig) *BundleGenerator {
// Default to 1 log file for backward compatibility when 0 is provided
logFileCount := cfg.LogFileCount
if logFileCount == 0 {
logFileCount = 1
}
return &BundleGenerator{
anonymizer: anonymize.NewAnonymizer(anonymize.DefaultAddresses()),
@@ -204,7 +196,6 @@ func NewBundleGenerator(deps GeneratorDependencies, cfg BundleConfig) *BundleGen
anonymize: cfg.Anonymize,
clientStatus: cfg.ClientStatus,
includeSystemInfo: cfg.IncludeSystemInfo,
logFileCount: logFileCount,
}
}
@@ -570,8 +561,32 @@ func (g *BundleGenerator) addLogfile() error {
return fmt.Errorf("add client log file to zip: %w", err)
}
// add rotated log files based on logFileCount
g.addRotatedLogFiles(logDir)
// add latest rotated log file
pattern := filepath.Join(logDir, "client-*.log.gz")
files, err := filepath.Glob(pattern)
if err != nil {
log.Warnf("failed to glob rotated logs: %v", err)
} else if len(files) > 0 {
// pick the file with the latest ModTime
sort.Slice(files, func(i, j int) bool {
fi, err := os.Stat(files[i])
if err != nil {
log.Warnf("failed to stat rotated log %s: %v", files[i], err)
return false
}
fj, err := os.Stat(files[j])
if err != nil {
log.Warnf("failed to stat rotated log %s: %v", files[j], err)
return false
}
return fi.ModTime().Before(fj.ModTime())
})
latest := files[len(files)-1]
name := filepath.Base(latest)
if err := g.addSingleLogFileGz(latest, name); err != nil {
log.Warnf("failed to add rotated log %s: %v", name, err)
}
}
stdErrLogPath := filepath.Join(logDir, errorLogFile)
stdoutLogPath := filepath.Join(logDir, stdoutLogFile)
@@ -655,52 +670,6 @@ func (g *BundleGenerator) addSingleLogFileGz(logPath, targetName string) error {
return nil
}
// addRotatedLogFiles adds rotated log files to the bundle based on logFileCount
func (g *BundleGenerator) addRotatedLogFiles(logDir string) {
if g.logFileCount == 0 {
return
}
pattern := filepath.Join(logDir, "client-*.log.gz")
files, err := filepath.Glob(pattern)
if err != nil {
log.Warnf("failed to glob rotated logs: %v", err)
return
}
if len(files) == 0 {
return
}
// sort files by modification time (newest first)
sort.Slice(files, func(i, j int) bool {
fi, err := os.Stat(files[i])
if err != nil {
log.Warnf("failed to stat rotated log %s: %v", files[i], err)
return false
}
fj, err := os.Stat(files[j])
if err != nil {
log.Warnf("failed to stat rotated log %s: %v", files[j], err)
return false
}
return fi.ModTime().After(fj.ModTime())
})
// include up to logFileCount rotated files
maxFiles := int(g.logFileCount)
if maxFiles > len(files) {
maxFiles = len(files)
}
for i := 0; i < maxFiles; i++ {
name := filepath.Base(files[i])
if err := g.addSingleLogFileGz(files[i], name); err != nil {
log.Warnf("failed to add rotated log %s: %v", name, err)
}
}
}
func (g *BundleGenerator) addFileToZip(reader io.Reader, filename string) error {
header := &zip.FileHeader{
Name: filename,

View File

@@ -464,7 +464,7 @@ func TestDNSFakeResolverHandleUpdates(t *testing.T) {
defer ctrl.Finish()
packetfilter := pfmock.NewMockPacketFilter(ctrl)
packetfilter.EXPECT().FilterOutbound(gomock.Any(), gomock.Any()).AnyTimes()
packetfilter.EXPECT().DropOutgoing(gomock.Any(), gomock.Any()).AnyTimes()
packetfilter.EXPECT().AddUDPPacketHook(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any())
packetfilter.EXPECT().RemovePacketHook(gomock.Any())

View File

@@ -38,6 +38,7 @@ import (
nftypes "github.com/netbirdio/netbird/client/internal/netflow/types"
"github.com/netbirdio/netbird/client/internal/networkmonitor"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/peer/dispatcher"
"github.com/netbirdio/netbird/client/internal/peer/guard"
icemaker "github.com/netbirdio/netbird/client/internal/peer/ice"
"github.com/netbirdio/netbird/client/internal/peerstore"
@@ -61,6 +62,7 @@ import (
signal "github.com/netbirdio/netbird/signal/client"
sProto "github.com/netbirdio/netbird/signal/proto"
"github.com/netbirdio/netbird/util"
nbnet "github.com/netbirdio/netbird/util/net"
)
// PeerConnectionTimeoutMax is a timeout of an initial connection attempt to a remote peer.
@@ -137,6 +139,9 @@ type Engine struct {
connMgr *ConnMgr
beforePeerHook nbnet.AddHookFunc
afterPeerHook nbnet.RemoveHookFunc
// rpManager is a Rosenpass manager
rpManager *rosenpass.Manager
@@ -170,7 +175,8 @@ type Engine struct {
sshServerFunc func(hostKeyPEM []byte, addr string) (nbssh.Server, error)
sshServer nbssh.Server
statusRecorder *peer.Status
statusRecorder *peer.Status
peerConnDispatcher *dispatcher.ConnectionDispatcher
firewall firewallManager.Manager
routeManager routemanager.Manager
@@ -377,13 +383,7 @@ func (e *Engine) Start() error {
}
e.stateManager.Start()
initialRoutes, dnsConfig, dnsFeatureFlag, err := e.readInitialSettings()
if err != nil {
e.close()
return fmt.Errorf("read initial settings: %w", err)
}
dnsServer, err := e.newDnsServer(dnsConfig)
initialRoutes, dnsServer, err := e.newDnsServer()
if err != nil {
e.close()
return fmt.Errorf("create dns server: %w", err)
@@ -400,13 +400,16 @@ func (e *Engine) Start() error {
InitialRoutes: initialRoutes,
StateManager: e.stateManager,
DNSServer: dnsServer,
DNSFeatureFlag: dnsFeatureFlag,
PeerStore: e.peerStore,
DisableClientRoutes: e.config.DisableClientRoutes,
DisableServerRoutes: e.config.DisableServerRoutes,
})
if err := e.routeManager.Init(); err != nil {
beforePeerHook, afterPeerHook, err := e.routeManager.Init()
if err != nil {
log.Errorf("Failed to initialize route manager: %s", err)
} else {
e.beforePeerHook = beforePeerHook
e.afterPeerHook = afterPeerHook
}
e.routeManager.SetRouteChangeListener(e.mobileDep.NetworkChangeListener)
@@ -448,7 +451,9 @@ func (e *Engine) Start() error {
NATExternalIPs: e.parseNATExternalIPMappings(),
}
e.connMgr = NewConnMgr(e.config, e.statusRecorder, e.peerStore, wgIface)
e.peerConnDispatcher = dispatcher.NewConnectionDispatcher()
e.connMgr = NewConnMgr(e.config, e.statusRecorder, e.peerStore, wgIface, e.peerConnDispatcher)
e.connMgr.Start(e.ctx)
e.srWatcher = guard.NewSRWatcher(e.signal, e.relayManager, e.mobileDep.IFaceDiscover, iceCfg)
@@ -483,9 +488,9 @@ func (e *Engine) createFirewall() error {
}
func (e *Engine) initFirewall() error {
if err := e.routeManager.SetFirewall(e.firewall); err != nil {
if err := e.routeManager.EnableServerRouter(e.firewall); err != nil {
e.close()
return fmt.Errorf("set firewall: %w", err)
return fmt.Errorf("enable server router: %w", err)
}
if e.config.BlockLANAccess {
@@ -1004,6 +1009,8 @@ func (e *Engine) updateNetworkMap(networkMap *mgmProto.NetworkMap) error {
log.Errorf("failed to update dns server, err: %v", err)
}
dnsRouteFeatureFlag := toDNSFeatureFlag(networkMap)
// apply routes first, route related actions might depend on routing being enabled
routes := toRoutes(networkMap.GetRoutes())
serverRoutes, clientRoutes := e.routeManager.ClassifyRoutes(routes)
@@ -1014,7 +1021,6 @@ func (e *Engine) updateNetworkMap(networkMap *mgmProto.NetworkMap) error {
log.Debugf("updated lazy connection manager with %d HA groups", len(clientRoutes))
}
dnsRouteFeatureFlag := toDNSFeatureFlag(networkMap)
if err := e.routeManager.UpdateRoutes(serial, serverRoutes, clientRoutes, dnsRouteFeatureFlag); err != nil {
log.Errorf("failed to update routes: %v", err)
}
@@ -1249,10 +1255,14 @@ func (e *Engine) addNewPeer(peerConfig *mgmProto.RemotePeerConfig) error {
}
if exists := e.connMgr.AddPeerConn(e.ctx, peerKey, conn); exists {
conn.Close(false)
conn.Close()
return fmt.Errorf("peer already exists: %s", peerKey)
}
if e.beforePeerHook != nil && e.afterPeerHook != nil {
conn.AddBeforeAddPeerHook(e.beforePeerHook)
conn.AddAfterRemovePeerHook(e.afterPeerHook)
}
return nil
}
@@ -1292,12 +1302,13 @@ func (e *Engine) createPeerConn(pubKey string, allowedIPs []netip.Prefix, agentV
}
serviceDependencies := peer.ServiceDependencies{
StatusRecorder: e.statusRecorder,
Signaler: e.signaler,
IFaceDiscover: e.mobileDep.IFaceDiscover,
RelayManager: e.relayManager,
SrWatcher: e.srWatcher,
Semaphore: e.connSemaphore,
StatusRecorder: e.statusRecorder,
Signaler: e.signaler,
IFaceDiscover: e.mobileDep.IFaceDiscover,
RelayManager: e.relayManager,
SrWatcher: e.srWatcher,
Semaphore: e.connSemaphore,
PeerConnDispatcher: e.peerConnDispatcher,
}
peerConn, err := peer.NewConn(config, serviceDependencies)
if err != nil {
@@ -1320,16 +1331,11 @@ func (e *Engine) receiveSignalEvents() {
e.syncMsgMux.Lock()
defer e.syncMsgMux.Unlock()
conn, ok := e.peerStore.PeerConn(msg.Key)
conn, ok := e.connMgr.OnSignalMsg(e.ctx, msg.Key)
if !ok {
return fmt.Errorf("wrongly addressed message %s", msg.Key)
}
msgType := msg.GetBody().GetType()
if msgType != sProto.Body_GO_IDLE {
e.connMgr.ActivatePeer(e.ctx, conn)
}
switch msg.GetBody().Type {
case sProto.Body_OFFER:
remoteCred, err := signal.UnMarshalCredential(msg)
@@ -1386,8 +1392,6 @@ func (e *Engine) receiveSignalEvents() {
go conn.OnRemoteCandidate(candidate, e.routeManager.GetClientRoutes())
case sProto.Body_MODE:
case sProto.Body_GO_IDLE:
e.connMgr.DeactivatePeer(conn)
}
return nil
@@ -1485,12 +1489,7 @@ func (e *Engine) close() {
}
}
func (e *Engine) readInitialSettings() ([]*route.Route, *nbdns.Config, bool, error) {
if runtime.GOOS != "android" {
// nolint:nilnil
return nil, nil, false, nil
}
func (e *Engine) readInitialSettings() ([]*route.Route, *nbdns.Config, error) {
info := system.GetInfo(e.ctx)
info.SetFlags(
e.config.RosenpassEnabled,
@@ -1507,12 +1506,11 @@ func (e *Engine) readInitialSettings() ([]*route.Route, *nbdns.Config, bool, err
netMap, err := e.mgmClient.GetNetworkMap(info)
if err != nil {
return nil, nil, false, err
return nil, nil, err
}
routes := toRoutes(netMap.GetRoutes())
dnsCfg := toDNSConfig(netMap.GetDNSConfig(), e.wgInterface.Address().Network)
dnsFeatureFlag := toDNSFeatureFlag(netMap)
return routes, &dnsCfg, dnsFeatureFlag, nil
return routes, &dnsCfg, nil
}
func (e *Engine) newWgIface() (*iface.WGIface, error) {
@@ -1560,14 +1558,18 @@ func (e *Engine) wgInterfaceCreate() (err error) {
return err
}
func (e *Engine) newDnsServer(dnsConfig *nbdns.Config) (dns.Server, error) {
func (e *Engine) newDnsServer() ([]*route.Route, dns.Server, error) {
// due to tests where we are using a mocked version of the DNS server
if e.dnsServer != nil {
return e.dnsServer, nil
return nil, e.dnsServer, nil
}
switch runtime.GOOS {
case "android":
routes, dnsConfig, err := e.readInitialSettings()
if err != nil {
return nil, nil, err
}
dnsServer := dns.NewDefaultServerPermanentUpstream(
e.ctx,
e.wgInterface,
@@ -1578,19 +1580,19 @@ func (e *Engine) newDnsServer(dnsConfig *nbdns.Config) (dns.Server, error) {
e.config.DisableDNS,
)
go e.mobileDep.DnsReadyListener.OnReady()
return dnsServer, nil
return routes, dnsServer, nil
case "ios":
dnsServer := dns.NewDefaultServerIos(e.ctx, e.wgInterface, e.mobileDep.DnsManager, e.statusRecorder, e.config.DisableDNS)
return dnsServer, nil
return nil, dnsServer, nil
default:
dnsServer, err := dns.NewDefaultServer(e.ctx, e.wgInterface, e.config.CustomDNSAddress, e.statusRecorder, e.stateManager, e.config.DisableDNS)
if err != nil {
return nil, err
return nil, nil, err
}
return dnsServer, nil
return nil, dnsServer, nil
}
}

View File

@@ -36,6 +36,7 @@ import (
"github.com/netbirdio/netbird/client/iface/wgproxy"
"github.com/netbirdio/netbird/client/internal/dns"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/peer/dispatcher"
"github.com/netbirdio/netbird/client/internal/peer/guard"
icemaker "github.com/netbirdio/netbird/client/internal/peer/ice"
"github.com/netbirdio/netbird/client/internal/routemanager"
@@ -52,7 +53,6 @@ import (
"github.com/netbirdio/netbird/management/server/store"
"github.com/netbirdio/netbird/management/server/telemetry"
"github.com/netbirdio/netbird/management/server/types"
"github.com/netbirdio/netbird/monotime"
relayClient "github.com/netbirdio/netbird/relay/client"
"github.com/netbirdio/netbird/route"
signal "github.com/netbirdio/netbird/signal/client"
@@ -97,7 +97,6 @@ type MockWGIface struct {
GetInterfaceGUIDStringFunc func() (string, error)
GetProxyFunc func() wgproxy.Proxy
GetNetFunc func() *netstack.Net
LastActivitiesFunc func() map[string]monotime.Time
}
func (m *MockWGIface) FullStats() (*configurer.Stats, error) {
@@ -188,13 +187,6 @@ func (m *MockWGIface) GetNet() *netstack.Net {
return m.GetNetFunc()
}
func (m *MockWGIface) LastActivities() map[string]monotime.Time {
if m.LastActivitiesFunc != nil {
return m.LastActivitiesFunc()
}
return nil
}
func TestMain(m *testing.M) {
_ = util.InitLog("debug", "console")
code := m.Run()
@@ -400,7 +392,7 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
StatusRecorder: engine.statusRecorder,
RelayManager: relayMgr,
})
err = engine.routeManager.Init()
_, _, err = engine.routeManager.Init()
require.NoError(t, err)
engine.dnsServer = &dns.MockServer{
UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
@@ -412,7 +404,7 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
engine.udpMux = bind.NewUniversalUDPMuxDefault(bind.UniversalUDPMuxParams{UDPConn: conn})
engine.ctx = ctx
engine.srWatcher = guard.NewSRWatcher(nil, nil, nil, icemaker.Config{})
engine.connMgr = NewConnMgr(engine.config, engine.statusRecorder, engine.peerStore, wgIface)
engine.connMgr = NewConnMgr(engine.config, engine.statusRecorder, engine.peerStore, wgIface, dispatcher.NewConnectionDispatcher())
engine.connMgr.Start(ctx)
type testCase struct {
@@ -801,7 +793,7 @@ func TestEngine_UpdateNetworkMapWithRoutes(t *testing.T) {
engine.routeManager = mockRouteManager
engine.dnsServer = &dns.MockServer{}
engine.connMgr = NewConnMgr(engine.config, engine.statusRecorder, engine.peerStore, engine.wgInterface)
engine.connMgr = NewConnMgr(engine.config, engine.statusRecorder, engine.peerStore, engine.wgInterface, dispatcher.NewConnectionDispatcher())
engine.connMgr.Start(ctx)
defer func() {
@@ -999,7 +991,7 @@ func TestEngine_UpdateNetworkMapWithDNSUpdate(t *testing.T) {
}
engine.dnsServer = mockDNSServer
engine.connMgr = NewConnMgr(engine.config, engine.statusRecorder, engine.peerStore, engine.wgInterface)
engine.connMgr = NewConnMgr(engine.config, engine.statusRecorder, engine.peerStore, engine.wgInterface, dispatcher.NewConnectionDispatcher())
engine.connMgr.Start(ctx)
defer func() {
@@ -1393,7 +1385,7 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
if runtime.GOOS == "darwin" {
ifaceName = fmt.Sprintf("utun1%d", i)
} else {
ifaceName = fmt.Sprintf("nb%d", i)
ifaceName = fmt.Sprintf("wt%d", i)
}
wgPort := 33100 + i
@@ -1481,10 +1473,6 @@ func startManagement(t *testing.T, dataDir, testFile string) (*grpc.Server, stri
GetSettings(gomock.Any(), gomock.Any(), gomock.Any()).
Return(&types.Settings{}, nil).
AnyTimes()
settingsMockManager.EXPECT().
GetExtraSettings(gomock.Any(), gomock.Any()).
Return(&types.ExtraSettings{}, nil).
AnyTimes()
permissionsManager := permissions.NewManager(store)
@@ -1494,7 +1482,7 @@ func startManagement(t *testing.T, dataDir, testFile string) (*grpc.Server, stri
}
secretsManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, config.Relay, settingsMockManager)
mgmtServer, err := server.NewServer(context.Background(), config, accountManager, settingsMockManager, peersUpdateManager, secretsManager, nil, nil, nil, &server.MockIntegratedValidator{})
mgmtServer, err := server.NewServer(context.Background(), config, accountManager, settingsMockManager, peersUpdateManager, secretsManager, nil, nil, nil)
if err != nil {
return nil, "", err
}

View File

@@ -14,7 +14,6 @@ import (
"github.com/netbirdio/netbird/client/iface/device"
"github.com/netbirdio/netbird/client/iface/wgaddr"
"github.com/netbirdio/netbird/client/iface/wgproxy"
"github.com/netbirdio/netbird/monotime"
)
type wgIfaceBase interface {
@@ -39,5 +38,4 @@ type wgIfaceBase interface {
GetStats() (map[string]configurer.WGStats, error)
GetNet() *netstack.Net
FullStats() (*configurer.Stats, error)
LastActivities() map[string]monotime.Time
}

View File

@@ -13,7 +13,7 @@ import (
// Listener it is not a thread safe implementation, do not call Close before ReadPackets. It will cause blocking
type Listener struct {
wgIface WgInterface
wgIface lazyconn.WGIface
peerCfg lazyconn.PeerConfig
conn *net.UDPConn
endpoint *net.UDPAddr
@@ -22,7 +22,7 @@ type Listener struct {
isClosed atomic.Bool // use to avoid error log when closing the listener
}
func NewListener(wgIface WgInterface, cfg lazyconn.PeerConfig) (*Listener, error) {
func NewListener(wgIface lazyconn.WGIface, cfg lazyconn.PeerConfig) (*Listener, error) {
d := &Listener{
wgIface: wgIface,
peerCfg: cfg,
@@ -48,7 +48,7 @@ func (d *Listener) ReadPackets() {
n, remoteAddr, err := d.conn.ReadFromUDP(make([]byte, 1))
if err != nil {
if d.isClosed.Load() {
d.peerCfg.Log.Infof("exit from activity listener")
d.peerCfg.Log.Debugf("exit from activity listener")
} else {
d.peerCfg.Log.Errorf("failed to read from activity listener: %s", err)
}
@@ -59,11 +59,9 @@ func (d *Listener) ReadPackets() {
d.peerCfg.Log.Warnf("received %d bytes from %s, too short", n, remoteAddr)
continue
}
d.peerCfg.Log.Infof("activity detected")
break
}
d.peerCfg.Log.Debugf("removing lazy endpoint: %s", d.endpoint.String())
if err := d.removeEndpoint(); err != nil {
d.peerCfg.Log.Errorf("failed to remove endpoint: %s", err)
}
@@ -73,7 +71,7 @@ func (d *Listener) ReadPackets() {
}
func (d *Listener) Close() {
d.peerCfg.Log.Infof("closing activity listener: %s", d.conn.LocalAddr().String())
d.peerCfg.Log.Infof("closing listener: %s", d.conn.LocalAddr().String())
d.isClosed.Store(true)
if err := d.conn.Close(); err != nil {
@@ -83,6 +81,7 @@ func (d *Listener) Close() {
}
func (d *Listener) removeEndpoint() error {
d.peerCfg.Log.Debugf("removing lazy endpoint: %s", d.endpoint.String())
return d.wgIface.RemovePeer(d.peerCfg.PublicKey)
}

View File

@@ -1,27 +1,18 @@
package activity
import (
"net"
"net/netip"
"sync"
"time"
log "github.com/sirupsen/logrus"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
"github.com/netbirdio/netbird/client/internal/lazyconn"
peerid "github.com/netbirdio/netbird/client/internal/peer/id"
)
type WgInterface interface {
RemovePeer(peerKey string) error
UpdatePeer(peerKey string, allowedIps []netip.Prefix, keepAlive time.Duration, endpoint *net.UDPAddr, preSharedKey *wgtypes.Key) error
}
type Manager struct {
OnActivityChan chan peerid.ConnID
wgIface WgInterface
wgIface lazyconn.WGIface
peers map[peerid.ConnID]*Listener
done chan struct{}
@@ -29,7 +20,7 @@ type Manager struct {
mu sync.Mutex
}
func NewManager(wgIface WgInterface) *Manager {
func NewManager(wgIface lazyconn.WGIface) *Manager {
m := &Manager{
OnActivityChan: make(chan peerid.ConnID, 1),
wgIface: wgIface,

View File

@@ -0,0 +1,75 @@
package inactivity
import (
"context"
"time"
peer "github.com/netbirdio/netbird/client/internal/peer/id"
)
const (
DefaultInactivityThreshold = 60 * time.Minute // idle after 1 hour inactivity
MinimumInactivityThreshold = 3 * time.Minute
)
type Monitor struct {
id peer.ConnID
timer *time.Timer
cancel context.CancelFunc
inactivityThreshold time.Duration
}
func NewInactivityMonitor(peerID peer.ConnID, threshold time.Duration) *Monitor {
i := &Monitor{
id: peerID,
timer: time.NewTimer(0),
inactivityThreshold: threshold,
}
i.timer.Stop()
return i
}
func (i *Monitor) Start(ctx context.Context, timeoutChan chan peer.ConnID) {
i.timer.Reset(i.inactivityThreshold)
defer i.timer.Stop()
ctx, i.cancel = context.WithCancel(ctx)
defer func() {
defer i.cancel()
select {
case <-i.timer.C:
default:
}
}()
select {
case <-i.timer.C:
select {
case timeoutChan <- i.id:
case <-ctx.Done():
return
}
case <-ctx.Done():
return
}
}
func (i *Monitor) Stop() {
if i.cancel == nil {
return
}
i.cancel()
}
func (i *Monitor) PauseTimer() {
i.timer.Stop()
}
func (i *Monitor) ResetTimer() {
i.timer.Reset(i.inactivityThreshold)
}
func (i *Monitor) ResetMonitor(ctx context.Context, timeoutChan chan peer.ConnID) {
i.Stop()
go i.Start(ctx, timeoutChan)
}

View File

@@ -0,0 +1,156 @@
package inactivity
import (
"context"
"testing"
"time"
peerid "github.com/netbirdio/netbird/client/internal/peer/id"
)
type MocPeer struct {
}
func (m *MocPeer) ConnID() peerid.ConnID {
return peerid.ConnID(m)
}
func TestInactivityMonitor(t *testing.T) {
tCtx, testTimeoutCancel := context.WithTimeout(context.Background(), time.Second*5)
defer testTimeoutCancel()
p := &MocPeer{}
im := NewInactivityMonitor(p.ConnID(), time.Second*2)
timeoutChan := make(chan peerid.ConnID)
exitChan := make(chan struct{})
go func() {
defer close(exitChan)
im.Start(tCtx, timeoutChan)
}()
select {
case <-timeoutChan:
case <-tCtx.Done():
t.Fatal("timeout")
}
select {
case <-exitChan:
case <-tCtx.Done():
t.Fatal("timeout")
}
}
func TestReuseInactivityMonitor(t *testing.T) {
p := &MocPeer{}
im := NewInactivityMonitor(p.ConnID(), time.Second*2)
timeoutChan := make(chan peerid.ConnID)
for i := 2; i > 0; i-- {
exitChan := make(chan struct{})
testTimeoutCtx, testTimeoutCancel := context.WithTimeout(context.Background(), time.Second*5)
go func() {
defer close(exitChan)
im.Start(testTimeoutCtx, timeoutChan)
}()
select {
case <-timeoutChan:
case <-testTimeoutCtx.Done():
t.Fatal("timeout")
}
select {
case <-exitChan:
case <-testTimeoutCtx.Done():
t.Fatal("timeout")
}
testTimeoutCancel()
}
}
func TestStopInactivityMonitor(t *testing.T) {
tCtx, testTimeoutCancel := context.WithTimeout(context.Background(), time.Second*5)
defer testTimeoutCancel()
p := &MocPeer{}
im := NewInactivityMonitor(p.ConnID(), DefaultInactivityThreshold)
timeoutChan := make(chan peerid.ConnID)
exitChan := make(chan struct{})
go func() {
defer close(exitChan)
im.Start(tCtx, timeoutChan)
}()
go func() {
time.Sleep(3 * time.Second)
im.Stop()
}()
select {
case <-timeoutChan:
t.Fatal("unexpected timeout")
case <-exitChan:
case <-tCtx.Done():
t.Fatal("timeout")
}
}
func TestPauseInactivityMonitor(t *testing.T) {
tCtx, testTimeoutCancel := context.WithTimeout(context.Background(), time.Second*10)
defer testTimeoutCancel()
p := &MocPeer{}
trashHold := time.Second * 3
im := NewInactivityMonitor(p.ConnID(), trashHold)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
timeoutChan := make(chan peerid.ConnID)
exitChan := make(chan struct{})
go func() {
defer close(exitChan)
im.Start(ctx, timeoutChan)
}()
time.Sleep(1 * time.Second) // grant time to start the monitor
im.PauseTimer()
// check to do not receive timeout
thresholdCtx, thresholdCancel := context.WithTimeout(context.Background(), trashHold+time.Second)
defer thresholdCancel()
select {
case <-exitChan:
t.Fatal("unexpected exit")
case <-timeoutChan:
t.Fatal("unexpected timeout")
case <-thresholdCtx.Done():
// test ok
case <-tCtx.Done():
t.Fatal("test timed out")
}
// test reset timer
im.ResetTimer()
select {
case <-tCtx.Done():
t.Fatal("test timed out")
case <-exitChan:
t.Fatal("unexpected exit")
case <-timeoutChan:
// expected timeout
}
}

View File

@@ -1,155 +0,0 @@
package inactivity
import (
"context"
"fmt"
"time"
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/client/internal/lazyconn"
"github.com/netbirdio/netbird/monotime"
)
const (
checkInterval = 1 * time.Minute
DefaultInactivityThreshold = 15 * time.Minute
MinimumInactivityThreshold = 1 * time.Minute
)
type WgInterface interface {
LastActivities() map[string]monotime.Time
}
type Manager struct {
inactivePeersChan chan map[string]struct{}
iface WgInterface
interestedPeers map[string]*lazyconn.PeerConfig
inactivityThreshold time.Duration
}
func NewManager(iface WgInterface, configuredThreshold *time.Duration) *Manager {
inactivityThreshold, err := validateInactivityThreshold(configuredThreshold)
if err != nil {
inactivityThreshold = DefaultInactivityThreshold
log.Warnf("invalid inactivity threshold configured: %v, using default: %v", err, DefaultInactivityThreshold)
}
log.Infof("inactivity threshold configured: %v", inactivityThreshold)
return &Manager{
inactivePeersChan: make(chan map[string]struct{}, 1),
iface: iface,
interestedPeers: make(map[string]*lazyconn.PeerConfig),
inactivityThreshold: inactivityThreshold,
}
}
func (m *Manager) InactivePeersChan() chan map[string]struct{} {
if m == nil {
// return a nil channel that blocks forever
return nil
}
return m.inactivePeersChan
}
func (m *Manager) AddPeer(peerCfg *lazyconn.PeerConfig) {
if m == nil {
return
}
if _, exists := m.interestedPeers[peerCfg.PublicKey]; exists {
return
}
peerCfg.Log.Infof("adding peer to inactivity manager")
m.interestedPeers[peerCfg.PublicKey] = peerCfg
}
func (m *Manager) RemovePeer(peer string) {
if m == nil {
return
}
pi, ok := m.interestedPeers[peer]
if !ok {
return
}
pi.Log.Debugf("remove peer from inactivity manager")
delete(m.interestedPeers, peer)
}
func (m *Manager) Start(ctx context.Context) {
if m == nil {
return
}
ticker := newTicker(checkInterval)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
return
case <-ticker.C():
idlePeers, err := m.checkStats()
if err != nil {
log.Errorf("error checking stats: %v", err)
return
}
if len(idlePeers) == 0 {
continue
}
m.notifyInactivePeers(ctx, idlePeers)
}
}
}
func (m *Manager) notifyInactivePeers(ctx context.Context, inactivePeers map[string]struct{}) {
select {
case m.inactivePeersChan <- inactivePeers:
case <-ctx.Done():
return
default:
return
}
}
func (m *Manager) checkStats() (map[string]struct{}, error) {
lastActivities := m.iface.LastActivities()
idlePeers := make(map[string]struct{})
checkTime := time.Now()
for peerID, peerCfg := range m.interestedPeers {
lastActive, ok := lastActivities[peerID]
if !ok {
// when peer is in connecting state
peerCfg.Log.Warnf("peer not found in wg stats")
continue
}
since := monotime.Since(lastActive)
if since > m.inactivityThreshold {
peerCfg.Log.Infof("peer is inactive since time: %s", checkTime.Add(-since).String())
idlePeers[peerID] = struct{}{}
}
}
return idlePeers, nil
}
func validateInactivityThreshold(configuredThreshold *time.Duration) (time.Duration, error) {
if configuredThreshold == nil {
return DefaultInactivityThreshold, nil
}
if *configuredThreshold < MinimumInactivityThreshold {
return 0, fmt.Errorf("configured inactivity threshold %v is too low, using %v", *configuredThreshold, MinimumInactivityThreshold)
}
return *configuredThreshold, nil
}

View File

@@ -1,114 +0,0 @@
package inactivity
import (
"context"
"testing"
"time"
log "github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/netbirdio/netbird/client/internal/lazyconn"
"github.com/netbirdio/netbird/monotime"
)
type mockWgInterface struct {
lastActivities map[string]monotime.Time
}
func (m *mockWgInterface) LastActivities() map[string]monotime.Time {
return m.lastActivities
}
func TestPeerTriggersInactivity(t *testing.T) {
peerID := "peer1"
wgMock := &mockWgInterface{
lastActivities: map[string]monotime.Time{
peerID: monotime.Time(int64(monotime.Now()) - int64(20*time.Minute)),
},
}
fakeTick := make(chan time.Time, 1)
newTicker = func(d time.Duration) Ticker {
return &fakeTickerMock{CChan: fakeTick}
}
peerLog := log.WithField("peer", peerID)
peerCfg := &lazyconn.PeerConfig{
PublicKey: peerID,
Log: peerLog,
}
manager := NewManager(wgMock, nil)
manager.AddPeer(peerCfg)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// Start the manager in a goroutine
go manager.Start(ctx)
// Send a tick to simulate time passage
fakeTick <- time.Now()
// Check if peer appears on inactivePeersChan
select {
case inactivePeers := <-manager.inactivePeersChan:
assert.Contains(t, inactivePeers, peerID, "expected peer to be marked inactive")
case <-time.After(1 * time.Second):
t.Fatal("expected inactivity event, but none received")
}
}
func TestPeerTriggersActivity(t *testing.T) {
peerID := "peer1"
wgMock := &mockWgInterface{
lastActivities: map[string]monotime.Time{
peerID: monotime.Time(int64(monotime.Now()) - int64(5*time.Minute)),
},
}
fakeTick := make(chan time.Time, 1)
newTicker = func(d time.Duration) Ticker {
return &fakeTickerMock{CChan: fakeTick}
}
peerLog := log.WithField("peer", peerID)
peerCfg := &lazyconn.PeerConfig{
PublicKey: peerID,
Log: peerLog,
}
manager := NewManager(wgMock, nil)
manager.AddPeer(peerCfg)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// Start the manager in a goroutine
go manager.Start(ctx)
// Send a tick to simulate time passage
fakeTick <- time.Now()
// Check if peer appears on inactivePeersChan
select {
case <-manager.inactivePeersChan:
t.Fatal("expected inactive peer to be marked inactive")
case <-time.After(1 * time.Second):
// No inactivity event should be received
}
}
// fakeTickerMock implements Ticker interface for testing
type fakeTickerMock struct {
CChan chan time.Time
}
func (f *fakeTickerMock) C() <-chan time.Time {
return f.CChan
}
func (f *fakeTickerMock) Stop() {}

View File

@@ -1,24 +0,0 @@
package inactivity
import "time"
var newTicker = func(d time.Duration) Ticker {
return &realTicker{t: time.NewTicker(d)}
}
type Ticker interface {
C() <-chan time.Time
Stop()
}
type realTicker struct {
t *time.Ticker
}
func (r *realTicker) C() <-chan time.Time {
return r.t.C
}
func (r *realTicker) Stop() {
r.t.Stop()
}

View File

@@ -11,6 +11,7 @@ import (
"github.com/netbirdio/netbird/client/internal/lazyconn"
"github.com/netbirdio/netbird/client/internal/lazyconn/activity"
"github.com/netbirdio/netbird/client/internal/lazyconn/inactivity"
"github.com/netbirdio/netbird/client/internal/peer/dispatcher"
peerid "github.com/netbirdio/netbird/client/internal/peer/id"
"github.com/netbirdio/netbird/client/internal/peerstore"
"github.com/netbirdio/netbird/route"
@@ -42,46 +43,60 @@ type Config struct {
type Manager struct {
engineCtx context.Context
peerStore *peerstore.Store
connStateDispatcher *dispatcher.ConnectionDispatcher
inactivityThreshold time.Duration
connStateListener *dispatcher.ConnectionListener
managedPeers map[string]*lazyconn.PeerConfig
managedPeersByConnID map[peerid.ConnID]*managedPeer
excludes map[string]lazyconn.PeerConfig
managedPeersMu sync.Mutex
activityManager *activity.Manager
inactivityManager *inactivity.Manager
activityManager *activity.Manager
inactivityMonitors map[peerid.ConnID]*inactivity.Monitor
// Route HA group management
// If any peer in the same HA group is active, all peers in that group should prevent going idle
peerToHAGroups map[string][]route.HAUniqueID // peer ID -> HA groups they belong to
haGroupToPeers map[route.HAUniqueID][]string // HA group -> peer IDs in the group
routesMu sync.RWMutex
onInactive chan peerid.ConnID
}
// NewManager creates a new lazy connection manager
// engineCtx is the context for creating peer Connection
func NewManager(config Config, engineCtx context.Context, peerStore *peerstore.Store, wgIface lazyconn.WGIface) *Manager {
func NewManager(config Config, engineCtx context.Context, peerStore *peerstore.Store, wgIface lazyconn.WGIface, connStateDispatcher *dispatcher.ConnectionDispatcher) *Manager {
log.Infof("setup lazy connection service")
m := &Manager{
engineCtx: engineCtx,
peerStore: peerStore,
connStateDispatcher: connStateDispatcher,
inactivityThreshold: inactivity.DefaultInactivityThreshold,
managedPeers: make(map[string]*lazyconn.PeerConfig),
managedPeersByConnID: make(map[peerid.ConnID]*managedPeer),
excludes: make(map[string]lazyconn.PeerConfig),
activityManager: activity.NewManager(wgIface),
inactivityMonitors: make(map[peerid.ConnID]*inactivity.Monitor),
peerToHAGroups: make(map[string][]route.HAUniqueID),
haGroupToPeers: make(map[route.HAUniqueID][]string),
onInactive: make(chan peerid.ConnID),
}
if wgIface.IsUserspaceBind() {
m.inactivityManager = inactivity.NewManager(wgIface, config.InactivityThreshold)
} else {
log.Warnf("inactivity manager not supported for kernel mode, wait for remote peer to close the connection")
if config.InactivityThreshold != nil {
if *config.InactivityThreshold >= inactivity.MinimumInactivityThreshold {
m.inactivityThreshold = *config.InactivityThreshold
} else {
log.Warnf("inactivity threshold is too low, using %v", m.inactivityThreshold)
}
}
m.connStateListener = &dispatcher.ConnectionListener{
OnConnected: m.onPeerConnected,
OnDisconnected: m.onPeerDisconnected,
}
connStateDispatcher.AddListener(m.connStateListener)
return m
}
@@ -116,28 +131,24 @@ func (m *Manager) UpdateRouteHAMap(haMap route.HAMap) {
}
}
log.Debugf("updated route HA mappings: %d HA groups, %d peers with routes", len(m.haGroupToPeers), len(m.peerToHAGroups))
log.Debugf("updated route HA mappings: %d HA groups, %d peers with routes",
len(m.haGroupToPeers), len(m.peerToHAGroups))
}
// Start starts the manager and listens for peer activity and inactivity events
func (m *Manager) Start(ctx context.Context) {
defer m.close()
if m.inactivityManager != nil {
go m.inactivityManager.Start(ctx)
}
for {
select {
case <-ctx.Done():
return
case peerConnID := <-m.activityManager.OnActivityChan:
m.onPeerActivity(peerConnID)
case peerIDs := <-m.inactivityManager.InactivePeersChan():
m.onPeerInactivityTimedOut(peerIDs)
m.onPeerActivity(ctx, peerConnID)
case peerConnID := <-m.onInactive:
m.onPeerInactivityTimedOut(ctx, peerConnID)
}
}
}
// ExcludePeer marks peers for a permanent connection
@@ -145,7 +156,7 @@ func (m *Manager) Start(ctx context.Context) {
// Adds them back to the managed list and start the inactivity listener if they are removed from the exclude list. In
// this case, we suppose that the connection status is connected or connecting.
// If the peer is not exists yet in the managed list then the responsibility is the upper layer to call the AddPeer function
func (m *Manager) ExcludePeer(peerConfigs []lazyconn.PeerConfig) []string {
func (m *Manager) ExcludePeer(ctx context.Context, peerConfigs []lazyconn.PeerConfig) []string {
m.managedPeersMu.Lock()
defer m.managedPeersMu.Unlock()
@@ -176,7 +187,7 @@ func (m *Manager) ExcludePeer(peerConfigs []lazyconn.PeerConfig) []string {
peerCfg.Log.Infof("peer removed from lazy connection exclude list")
if err := m.addActivePeer(&peerCfg); err != nil {
if err := m.addActivePeer(ctx, peerCfg); err != nil {
log.Errorf("failed to add peer to lazy connection manager: %s", err)
continue
}
@@ -186,7 +197,7 @@ func (m *Manager) ExcludePeer(peerConfigs []lazyconn.PeerConfig) []string {
return added
}
func (m *Manager) AddPeer(peerCfg lazyconn.PeerConfig) (bool, error) {
func (m *Manager) AddPeer(ctx context.Context, peerCfg lazyconn.PeerConfig) (bool, error) {
m.managedPeersMu.Lock()
defer m.managedPeersMu.Unlock()
@@ -206,6 +217,9 @@ func (m *Manager) AddPeer(peerCfg lazyconn.PeerConfig) (bool, error) {
return false, err
}
im := inactivity.NewInactivityMonitor(peerCfg.PeerConnID, m.inactivityThreshold)
m.inactivityMonitors[peerCfg.PeerConnID] = im
m.managedPeers[peerCfg.PublicKey] = &peerCfg
m.managedPeersByConnID[peerCfg.PeerConnID] = &managedPeer{
peerCfg: &peerCfg,
@@ -215,7 +229,7 @@ func (m *Manager) AddPeer(peerCfg lazyconn.PeerConfig) (bool, error) {
// Check if this peer should be activated because its HA group peers are active
if group, ok := m.shouldActivateNewPeer(peerCfg.PublicKey); ok {
peerCfg.Log.Debugf("peer belongs to active HA group %s, will activate immediately", group)
m.activateNewPeerInActiveGroup(peerCfg)
m.activateNewPeerInActiveGroup(ctx, peerCfg)
}
return false, nil
@@ -223,7 +237,7 @@ func (m *Manager) AddPeer(peerCfg lazyconn.PeerConfig) (bool, error) {
// AddActivePeers adds a list of peers to the lazy connection manager
// suppose these peers was in connected or in connecting states
func (m *Manager) AddActivePeers(peerCfg []lazyconn.PeerConfig) error {
func (m *Manager) AddActivePeers(ctx context.Context, peerCfg []lazyconn.PeerConfig) error {
m.managedPeersMu.Lock()
defer m.managedPeersMu.Unlock()
@@ -233,7 +247,7 @@ func (m *Manager) AddActivePeers(peerCfg []lazyconn.PeerConfig) error {
continue
}
if err := m.addActivePeer(&cfg); err != nil {
if err := m.addActivePeer(ctx, cfg); err != nil {
cfg.Log.Errorf("failed to add peer to lazy connection manager: %v", err)
return err
}
@@ -250,7 +264,7 @@ func (m *Manager) RemovePeer(peerID string) {
// ActivatePeer activates a peer connection when a signal message is received
// Also activates all peers in the same HA groups as this peer
func (m *Manager) ActivatePeer(peerID string) (found bool) {
func (m *Manager) ActivatePeer(ctx context.Context, peerID string) (found bool) {
m.managedPeersMu.Lock()
defer m.managedPeersMu.Unlock()
cfg, mp := m.getPeerForActivation(peerID)
@@ -258,43 +272,15 @@ func (m *Manager) ActivatePeer(peerID string) (found bool) {
return false
}
cfg.Log.Infof("activate peer from inactive state by remote signal message")
if !m.activateSinglePeer(cfg, mp) {
if !m.activateSinglePeer(ctx, cfg, mp) {
return false
}
m.activateHAGroupPeers(cfg)
m.activateHAGroupPeers(ctx, peerID)
return true
}
func (m *Manager) DeactivatePeer(peerID peerid.ConnID) {
m.managedPeersMu.Lock()
defer m.managedPeersMu.Unlock()
mp, ok := m.managedPeersByConnID[peerID]
if !ok {
return
}
if mp.expectedWatcher != watcherInactivity {
return
}
m.peerStore.PeerConnClose(mp.peerCfg.PublicKey)
mp.peerCfg.Log.Infof("start activity monitor")
mp.expectedWatcher = watcherActivity
m.inactivityManager.RemovePeer(mp.peerCfg.PublicKey)
if err := m.activityManager.MonitorPeerActivity(*mp.peerCfg); err != nil {
mp.peerCfg.Log.Errorf("failed to create activity monitor: %v", err)
return
}
}
// getPeerForActivation checks if a peer can be activated and returns the necessary structs
// Returns nil values if the peer should be skipped
func (m *Manager) getPeerForActivation(peerID string) (*lazyconn.PeerConfig, *managedPeer) {
@@ -316,36 +302,41 @@ func (m *Manager) getPeerForActivation(peerID string) (*lazyconn.PeerConfig, *ma
return cfg, mp
}
// activateSinglePeer activates a single peer
// return true if the peer was activated, false if it was already active
func (m *Manager) activateSinglePeer(cfg *lazyconn.PeerConfig, mp *managedPeer) bool {
if mp.expectedWatcher == watcherInactivity {
// activateSinglePeer activates a single peer (internal method)
func (m *Manager) activateSinglePeer(ctx context.Context, cfg *lazyconn.PeerConfig, mp *managedPeer) bool {
mp.expectedWatcher = watcherInactivity
m.activityManager.RemovePeer(cfg.Log, cfg.PeerConnID)
im, ok := m.inactivityMonitors[cfg.PeerConnID]
if !ok {
cfg.Log.Errorf("inactivity monitor not found for peer")
return false
}
mp.expectedWatcher = watcherInactivity
m.activityManager.RemovePeer(cfg.Log, cfg.PeerConnID)
m.inactivityManager.AddPeer(cfg)
cfg.Log.Infof("starting inactivity monitor")
go im.Start(ctx, m.onInactive)
return true
}
// activateHAGroupPeers activates all peers in HA groups that the given peer belongs to
func (m *Manager) activateHAGroupPeers(triggeredPeerCfg *lazyconn.PeerConfig) {
func (m *Manager) activateHAGroupPeers(ctx context.Context, triggerPeerID string) {
var peersToActivate []string
m.routesMu.RLock()
haGroups := m.peerToHAGroups[triggeredPeerCfg.PublicKey]
haGroups := m.peerToHAGroups[triggerPeerID]
if len(haGroups) == 0 {
m.routesMu.RUnlock()
triggeredPeerCfg.Log.Debugf("peer is not part of any HA groups")
log.Debugf("peer %s is not part of any HA groups", triggerPeerID)
return
}
for _, haGroup := range haGroups {
peers := m.haGroupToPeers[haGroup]
for _, peerID := range peers {
if peerID != triggeredPeerCfg.PublicKey {
if peerID != triggerPeerID {
peersToActivate = append(peersToActivate, peerID)
}
}
@@ -359,16 +350,16 @@ func (m *Manager) activateHAGroupPeers(triggeredPeerCfg *lazyconn.PeerConfig) {
continue
}
if m.activateSinglePeer(cfg, mp) {
if m.activateSinglePeer(ctx, cfg, mp) {
activatedCount++
cfg.Log.Infof("activated peer as part of HA group (triggered by %s)", triggeredPeerCfg.PublicKey)
cfg.Log.Infof("activated peer as part of HA group (triggered by %s)", triggerPeerID)
m.peerStore.PeerConnOpen(m.engineCtx, cfg.PublicKey)
}
}
if activatedCount > 0 {
log.Infof("activated %d additional peers in HA groups for peer %s (groups: %v)",
activatedCount, triggeredPeerCfg.PublicKey, haGroups)
activatedCount, triggerPeerID, haGroups)
}
}
@@ -403,13 +394,13 @@ func (m *Manager) shouldActivateNewPeer(peerID string) (route.HAUniqueID, bool)
}
// activateNewPeerInActiveGroup activates a newly added peer that should be active due to HA group
func (m *Manager) activateNewPeerInActiveGroup(peerCfg lazyconn.PeerConfig) {
func (m *Manager) activateNewPeerInActiveGroup(ctx context.Context, peerCfg lazyconn.PeerConfig) {
mp, ok := m.managedPeersByConnID[peerCfg.PeerConnID]
if !ok {
return
}
if !m.activateSinglePeer(&peerCfg, mp) {
if !m.activateSinglePeer(ctx, &peerCfg, mp) {
return
}
@@ -417,19 +408,23 @@ func (m *Manager) activateNewPeerInActiveGroup(peerCfg lazyconn.PeerConfig) {
m.peerStore.PeerConnOpen(m.engineCtx, peerCfg.PublicKey)
}
func (m *Manager) addActivePeer(peerCfg *lazyconn.PeerConfig) error {
func (m *Manager) addActivePeer(ctx context.Context, peerCfg lazyconn.PeerConfig) error {
if _, ok := m.managedPeers[peerCfg.PublicKey]; ok {
peerCfg.Log.Warnf("peer already managed")
return nil
}
m.managedPeers[peerCfg.PublicKey] = peerCfg
im := inactivity.NewInactivityMonitor(peerCfg.PeerConnID, m.inactivityThreshold)
m.inactivityMonitors[peerCfg.PeerConnID] = im
m.managedPeers[peerCfg.PublicKey] = &peerCfg
m.managedPeersByConnID[peerCfg.PeerConnID] = &managedPeer{
peerCfg: peerCfg,
peerCfg: &peerCfg,
expectedWatcher: watcherInactivity,
}
m.inactivityManager.AddPeer(peerCfg)
peerCfg.Log.Infof("starting inactivity monitor on peer that has been removed from exclude list")
go im.Start(ctx, m.onInactive)
return nil
}
@@ -441,7 +436,12 @@ func (m *Manager) removePeer(peerID string) {
cfg.Log.Infof("removing lazy peer")
m.inactivityManager.RemovePeer(cfg.PublicKey)
if im, ok := m.inactivityMonitors[cfg.PeerConnID]; ok {
im.Stop()
delete(m.inactivityMonitors, cfg.PeerConnID)
cfg.Log.Debugf("inactivity monitor stopped")
}
m.activityManager.RemovePeer(cfg.Log, cfg.PeerConnID)
delete(m.managedPeers, peerID)
delete(m.managedPeersByConnID, cfg.PeerConnID)
@@ -451,8 +451,12 @@ func (m *Manager) close() {
m.managedPeersMu.Lock()
defer m.managedPeersMu.Unlock()
m.connStateDispatcher.RemoveListener(m.connStateListener)
m.activityManager.Close()
for _, iw := range m.inactivityMonitors {
iw.Stop()
}
m.inactivityMonitors = make(map[peerid.ConnID]*inactivity.Monitor)
m.managedPeers = make(map[string]*lazyconn.PeerConfig)
m.managedPeersByConnID = make(map[peerid.ConnID]*managedPeer)
@@ -466,7 +470,7 @@ func (m *Manager) close() {
}
// shouldDeferIdleForHA checks if peer should stay connected due to HA group requirements
func (m *Manager) shouldDeferIdleForHA(inactivePeers map[string]struct{}, peerID string) bool {
func (m *Manager) shouldDeferIdleForHA(peerID string) bool {
m.routesMu.RLock()
defer m.routesMu.RUnlock()
@@ -476,45 +480,38 @@ func (m *Manager) shouldDeferIdleForHA(inactivePeers map[string]struct{}, peerID
}
for _, haGroup := range haGroups {
if active := m.checkHaGroupActivity(haGroup, peerID, inactivePeers); active {
return true
groupPeers := m.haGroupToPeers[haGroup]
for _, groupPeerID := range groupPeers {
if groupPeerID == peerID {
continue
}
cfg, ok := m.managedPeers[groupPeerID]
if !ok {
continue
}
groupMp, ok := m.managedPeersByConnID[cfg.PeerConnID]
if !ok {
continue
}
if groupMp.expectedWatcher != watcherInactivity {
continue
}
// Other member is still connected, defer idle
if peer, ok := m.peerStore.PeerConn(groupPeerID); ok && peer.IsConnected() {
return true
}
}
}
return false
}
func (m *Manager) checkHaGroupActivity(haGroup route.HAUniqueID, peerID string, inactivePeers map[string]struct{}) bool {
groupPeers := m.haGroupToPeers[haGroup]
for _, groupPeerID := range groupPeers {
if groupPeerID == peerID {
continue
}
cfg, ok := m.managedPeers[groupPeerID]
if !ok {
continue
}
groupMp, ok := m.managedPeersByConnID[cfg.PeerConnID]
if !ok {
continue
}
if groupMp.expectedWatcher != watcherInactivity {
continue
}
// If any peer in the group is active, do defer idle
if _, isInactive := inactivePeers[groupPeerID]; !isInactive {
return true
}
}
return false
}
func (m *Manager) onPeerActivity(peerConnID peerid.ConnID) {
func (m *Manager) onPeerActivity(ctx context.Context, peerConnID peerid.ConnID) {
m.managedPeersMu.Lock()
defer m.managedPeersMu.Unlock()
@@ -531,56 +528,100 @@ func (m *Manager) onPeerActivity(peerConnID peerid.ConnID) {
mp.peerCfg.Log.Infof("detected peer activity")
if !m.activateSinglePeer(mp.peerCfg, mp) {
if !m.activateSinglePeer(ctx, mp.peerCfg, mp) {
return
}
m.activateHAGroupPeers(mp.peerCfg)
m.activateHAGroupPeers(ctx, mp.peerCfg.PublicKey)
m.peerStore.PeerConnOpen(m.engineCtx, mp.peerCfg.PublicKey)
}
func (m *Manager) onPeerInactivityTimedOut(peerIDs map[string]struct{}) {
func (m *Manager) onPeerInactivityTimedOut(ctx context.Context, peerConnID peerid.ConnID) {
m.managedPeersMu.Lock()
defer m.managedPeersMu.Unlock()
for peerID := range peerIDs {
peerCfg, ok := m.managedPeers[peerID]
if !ok {
log.Errorf("peer not found by peerId: %v", peerID)
continue
mp, ok := m.managedPeersByConnID[peerConnID]
if !ok {
log.Errorf("peer not found by id: %v", peerConnID)
return
}
if mp.expectedWatcher != watcherInactivity {
mp.peerCfg.Log.Warnf("ignore inactivity event")
return
}
if m.shouldDeferIdleForHA(mp.peerCfg.PublicKey) {
iw, ok := m.inactivityMonitors[peerConnID]
if ok {
mp.peerCfg.Log.Debugf("resetting inactivity timer due to HA group requirements")
iw.ResetMonitor(ctx, m.onInactive)
} else {
mp.peerCfg.Log.Errorf("inactivity monitor not found for HA defer reset")
}
return
}
mp, ok := m.managedPeersByConnID[peerCfg.PeerConnID]
if !ok {
log.Errorf("peer not found by conn id: %v", peerCfg.PeerConnID)
continue
}
mp.peerCfg.Log.Infof("connection timed out")
if mp.expectedWatcher != watcherInactivity {
mp.peerCfg.Log.Warnf("ignore inactivity event")
continue
}
// this is blocking operation, potentially can be optimized
m.peerStore.PeerConnClose(mp.peerCfg.PublicKey)
if m.shouldDeferIdleForHA(peerIDs, mp.peerCfg.PublicKey) {
mp.peerCfg.Log.Infof("defer inactivity due to active HA group peers")
continue
}
mp.peerCfg.Log.Infof("start activity monitor")
mp.peerCfg.Log.Infof("connection timed out")
mp.expectedWatcher = watcherActivity
// this is blocking operation, potentially can be optimized
m.peerStore.PeerConnIdle(mp.peerCfg.PublicKey)
// just in case free up
m.inactivityMonitors[peerConnID].PauseTimer()
mp.expectedWatcher = watcherActivity
m.inactivityManager.RemovePeer(mp.peerCfg.PublicKey)
mp.peerCfg.Log.Infof("start activity monitor")
if err := m.activityManager.MonitorPeerActivity(*mp.peerCfg); err != nil {
mp.peerCfg.Log.Errorf("failed to create activity monitor: %v", err)
continue
}
if err := m.activityManager.MonitorPeerActivity(*mp.peerCfg); err != nil {
mp.peerCfg.Log.Errorf("failed to create activity monitor: %v", err)
return
}
}
func (m *Manager) onPeerConnected(peerConnID peerid.ConnID) {
m.managedPeersMu.Lock()
defer m.managedPeersMu.Unlock()
mp, ok := m.managedPeersByConnID[peerConnID]
if !ok {
return
}
if mp.expectedWatcher != watcherInactivity {
return
}
iw, ok := m.inactivityMonitors[mp.peerCfg.PeerConnID]
if !ok {
mp.peerCfg.Log.Warnf("inactivity monitor not found for peer")
return
}
mp.peerCfg.Log.Infof("peer connected, pausing inactivity monitor while connection is not disconnected")
iw.PauseTimer()
}
func (m *Manager) onPeerDisconnected(peerConnID peerid.ConnID) {
m.managedPeersMu.Lock()
defer m.managedPeersMu.Unlock()
mp, ok := m.managedPeersByConnID[peerConnID]
if !ok {
return
}
if mp.expectedWatcher != watcherInactivity {
return
}
iw, ok := m.inactivityMonitors[mp.peerCfg.PeerConnID]
if !ok {
return
}
mp.peerCfg.Log.Infof("reset inactivity monitor timer")
iw.ResetTimer()
}

View File

@@ -6,13 +6,9 @@ import (
"time"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
"github.com/netbirdio/netbird/monotime"
)
type WGIface interface {
RemovePeer(peerKey string) error
UpdatePeer(peerKey string, allowedIps []netip.Prefix, keepAlive time.Duration, endpoint *net.UDPAddr, preSharedKey *wgtypes.Key) error
IsUserspaceBind() bool
LastActivities() map[string]monotime.Time
}

View File

@@ -148,7 +148,7 @@ func registerPeer(ctx context.Context, serverPublicKey wgtypes.Key, client *mgm.
)
loginResp, err := client.Register(serverPublicKey, validSetupKey.String(), jwtToken, info, pubSSHKey, config.DNSLabels)
if err != nil {
log.Errorf("failed registering peer %v", err)
log.Errorf("failed registering peer %v,%s", err, validSetupKey.String())
return nil, err
}

View File

@@ -19,7 +19,7 @@ type mockIFaceMapper struct {
}
func (m *mockIFaceMapper) Name() string {
return "nb0"
return "wt0"
}
func (m *mockIFaceMapper) Address() wgaddr.Address {

View File

@@ -26,6 +26,7 @@ import (
"github.com/netbirdio/netbird/client/internal/stdnet"
relayClient "github.com/netbirdio/netbird/relay/client"
"github.com/netbirdio/netbird/route"
nbnet "github.com/netbirdio/netbird/util/net"
semaphoregroup "github.com/netbirdio/netbird/util/semaphore-group"
)
@@ -105,6 +106,10 @@ type Conn struct {
workerRelay *WorkerRelay
wgWatcherWg sync.WaitGroup
connIDRelay nbnet.ConnectionID
connIDICE nbnet.ConnectionID
beforeAddPeerHooks []nbnet.AddHookFunc
afterRemovePeerHooks []nbnet.RemoveHookFunc
// used to store the remote Rosenpass key for Relayed connection in case of connection update from ice
rosenpassRemoteKey []byte
@@ -112,9 +117,10 @@ type Conn struct {
wgProxyRelay wgproxy.Proxy
handshaker *Handshaker
guard *guard.Guard
semaphore *semaphoregroup.SemaphoreGroup
wg sync.WaitGroup
guard *guard.Guard
semaphore *semaphoregroup.SemaphoreGroup
peerConnDispatcher *dispatcher.ConnectionDispatcher
wg sync.WaitGroup
// debug purpose
dumpState *stateDump
@@ -130,17 +136,18 @@ func NewConn(config ConnConfig, services ServiceDependencies) (*Conn, error) {
connLog := log.WithField("peer", config.Key)
var conn = &Conn{
Log: connLog,
config: config,
statusRecorder: services.StatusRecorder,
signaler: services.Signaler,
iFaceDiscover: services.IFaceDiscover,
relayManager: services.RelayManager,
srWatcher: services.SrWatcher,
semaphore: services.Semaphore,
statusRelay: worker.NewAtomicStatus(),
statusICE: worker.NewAtomicStatus(),
dumpState: newStateDump(config.Key, connLog, services.StatusRecorder),
Log: connLog,
config: config,
statusRecorder: services.StatusRecorder,
signaler: services.Signaler,
iFaceDiscover: services.IFaceDiscover,
relayManager: services.RelayManager,
srWatcher: services.SrWatcher,
semaphore: services.Semaphore,
peerConnDispatcher: services.PeerConnDispatcher,
statusRelay: worker.NewAtomicStatus(),
statusICE: worker.NewAtomicStatus(),
dumpState: newStateDump(config.Key, connLog, services.StatusRecorder),
}
return conn, nil
@@ -162,7 +169,7 @@ func (conn *Conn) Open(engineCtx context.Context) error {
conn.ctx, conn.ctxCancel = context.WithCancel(engineCtx)
conn.workerRelay = NewWorkerRelay(conn.ctx, conn.Log, isController(conn.config), conn.config, conn, conn.relayManager, conn.dumpState)
conn.workerRelay = NewWorkerRelay(conn.Log, isController(conn.config), conn.config, conn, conn.relayManager, conn.dumpState)
relayIsSupportedLocally := conn.workerRelay.RelayIsSupportedLocally()
workerICE, err := NewWorkerICE(conn.ctx, conn.Log, conn.config, conn, conn.signaler, conn.iFaceDiscover, conn.statusRecorder, relayIsSupportedLocally)
@@ -219,7 +226,7 @@ func (conn *Conn) Open(engineCtx context.Context) error {
}
// Close closes this peer Conn issuing a close event to the Conn closeCh
func (conn *Conn) Close(signalToRemote bool) {
func (conn *Conn) Close() {
conn.mu.Lock()
defer conn.wgWatcherWg.Wait()
defer conn.mu.Unlock()
@@ -229,12 +236,6 @@ func (conn *Conn) Close(signalToRemote bool) {
return
}
if signalToRemote {
if err := conn.signaler.SignalIdle(conn.config.Key); err != nil {
conn.Log.Errorf("failed to signal idle state to peer: %v", err)
}
}
conn.Log.Infof("close peer connection")
conn.ctxCancel()
@@ -262,6 +263,8 @@ func (conn *Conn) Close(signalToRemote bool) {
conn.Log.Errorf("failed to remove wg endpoint: %v", err)
}
conn.freeUpConnID()
if conn.evalStatus() == StatusConnected && conn.onDisconnected != nil {
conn.onDisconnected(conn.config.WgConfig.RemoteKey)
}
@@ -286,6 +289,13 @@ func (conn *Conn) OnRemoteCandidate(candidate ice.Candidate, haRoutes route.HAMa
conn.workerICE.OnRemoteCandidate(candidate, haRoutes)
}
func (conn *Conn) AddBeforeAddPeerHook(hook nbnet.AddHookFunc) {
conn.beforeAddPeerHooks = append(conn.beforeAddPeerHooks, hook)
}
func (conn *Conn) AddAfterRemovePeerHook(hook nbnet.RemoveHookFunc) {
conn.afterRemovePeerHooks = append(conn.afterRemovePeerHooks, hook)
}
// SetOnConnected sets a handler function to be triggered by Conn when a new connection to a remote peer established
func (conn *Conn) SetOnConnected(handler func(remoteWireGuardKey string, remoteRosenpassPubKey []byte, wireGuardIP string, remoteRosenpassAddr string)) {
conn.onConnected = handler
@@ -373,6 +383,10 @@ func (conn *Conn) onICEConnectionIsReady(priority conntype.ConnPriority, iceConn
ep = directEp
}
if err := conn.runBeforeAddPeerHooks(ep.IP); err != nil {
conn.Log.Errorf("Before add peer hook failed: %v", err)
}
conn.workerRelay.DisableWgWatcher()
// todo consider to run conn.wgWatcherWg.Wait() here
@@ -390,10 +404,15 @@ func (conn *Conn) onICEConnectionIsReady(priority conntype.ConnPriority, iceConn
}
wgConfigWorkaround()
oldState := conn.currentConnPriority
conn.currentConnPriority = priority
conn.statusICE.SetConnected()
conn.updateIceState(iceConnInfo)
conn.doOnConnected(iceConnInfo.RosenpassPubKey, iceConnInfo.RosenpassAddr)
if oldState == conntype.None {
conn.peerConnDispatcher.NotifyConnected(conn.ConnID())
}
}
func (conn *Conn) onICEStateDisconnected() {
@@ -431,6 +450,7 @@ func (conn *Conn) onICEStateDisconnected() {
} else {
conn.Log.Infof("ICE disconnected, do not switch to Relay. Reset priority to: %s", conntype.None.String())
conn.currentConnPriority = conntype.None
conn.peerConnDispatcher.NotifyDisconnected(conn.ConnID())
}
changed := conn.statusICE.Get() != worker.StatusDisconnected
@@ -471,8 +491,6 @@ func (conn *Conn) onRelayConnectionIsReady(rci RelayConnInfo) {
conn.Log.Errorf("failed to add relayed net.Conn to local proxy: %v", err)
return
}
wgProxy.SetDisconnectListener(conn.onRelayDisconnected)
conn.dumpState.NewLocalProxy()
conn.Log.Infof("created new wgProxy for relay connection: %s", wgProxy.EndpointAddr().String())
@@ -485,6 +503,10 @@ func (conn *Conn) onRelayConnectionIsReady(rci RelayConnInfo) {
return
}
if err := conn.runBeforeAddPeerHooks(wgProxy.EndpointAddr().IP); err != nil {
conn.Log.Errorf("Before add peer hook failed: %v", err)
}
wgProxy.Work()
if err := conn.configureWGEndpoint(wgProxy.EndpointAddr(), rci.rosenpassPubKey); err != nil {
if err := wgProxy.CloseConn(); err != nil {
@@ -508,6 +530,7 @@ func (conn *Conn) onRelayConnectionIsReady(rci RelayConnInfo) {
conn.updateRelayStatus(rci.relayedConn.RemoteAddr().String(), rci.rosenpassPubKey)
conn.Log.Infof("start to communicate with peer via relay")
conn.doOnConnected(rci.rosenpassPubKey, rci.rosenpassAddr)
conn.peerConnDispatcher.NotifyConnected(conn.ConnID())
}
func (conn *Conn) onRelayDisconnected() {
@@ -522,7 +545,11 @@ func (conn *Conn) onRelayDisconnected() {
if conn.currentConnPriority == conntype.Relay {
conn.Log.Debugf("clean up WireGuard config")
if err := conn.removeWgPeer(); err != nil {
conn.Log.Errorf("failed to remove wg endpoint: %v", err)
}
conn.currentConnPriority = conntype.None
conn.peerConnDispatcher.NotifyDisconnected(conn.ConnID())
}
if conn.wgProxyRelay != nil {
@@ -685,6 +712,36 @@ func (conn *Conn) isConnectedOnAllWay() (connected bool) {
return true
}
func (conn *Conn) runBeforeAddPeerHooks(ip net.IP) error {
conn.connIDICE = nbnet.GenerateConnID()
for _, hook := range conn.beforeAddPeerHooks {
if err := hook(conn.connIDICE, ip); err != nil {
return err
}
}
return nil
}
func (conn *Conn) freeUpConnID() {
if conn.connIDRelay != "" {
for _, hook := range conn.afterRemovePeerHooks {
if err := hook(conn.connIDRelay); err != nil {
conn.Log.Errorf("After remove peer hook failed: %v", err)
}
}
conn.connIDRelay = ""
}
if conn.connIDICE != "" {
for _, hook := range conn.afterRemovePeerHooks {
if err := hook(conn.connIDICE); err != nil {
conn.Log.Errorf("After remove peer hook failed: %v", err)
}
}
conn.connIDICE = ""
}
}
func (conn *Conn) newProxy(remoteConn net.Conn) (wgproxy.Proxy, error) {
conn.Log.Debugf("setup proxied WireGuard connection")
udpAddr := &net.UDPAddr{

View File

@@ -68,13 +68,3 @@ func (s *Signaler) signalOfferAnswer(offerAnswer OfferAnswer, remoteKey string,
return nil
}
func (s *Signaler) SignalIdle(remoteKey string) error {
return s.signal.Send(&sProto.Message{
Key: s.wgPrivateKey.PublicKey().String(),
RemoteKey: remoteKey,
Body: &sProto.Body{
Type: sProto.Body_GO_IDLE,
},
})
}

View File

@@ -19,7 +19,6 @@ type RelayConnInfo struct {
}
type WorkerRelay struct {
peerCtx context.Context
log *log.Entry
isController bool
config ConnConfig
@@ -34,9 +33,8 @@ type WorkerRelay struct {
wgWatcher *WGWatcher
}
func NewWorkerRelay(ctx context.Context, log *log.Entry, ctrl bool, config ConnConfig, conn *Conn, relayManager relayClient.ManagerService, stateDump *stateDump) *WorkerRelay {
func NewWorkerRelay(log *log.Entry, ctrl bool, config ConnConfig, conn *Conn, relayManager relayClient.ManagerService, stateDump *stateDump) *WorkerRelay {
r := &WorkerRelay{
peerCtx: ctx,
log: log,
isController: ctrl,
config: config,
@@ -64,7 +62,7 @@ func (w *WorkerRelay) OnNewOffer(remoteOfferAnswer *OfferAnswer) {
srv := w.preferredRelayServer(currentRelayAddress, remoteOfferAnswer.RelaySrvAddress)
relayedConn, err := w.relayManager.OpenConn(w.peerCtx, srv, w.config.Key)
relayedConn, err := w.relayManager.OpenConn(srv, w.config.Key)
if err != nil {
if errors.Is(err, relayClient.ErrConnAlreadyExists) {
w.log.Debugf("handled offer by reusing existing relay connection")

View File

@@ -95,17 +95,6 @@ func (s *Store) PeerConnOpen(ctx context.Context, pubKey string) {
}
func (s *Store) PeerConnIdle(pubKey string) {
s.peerConnsMu.RLock()
defer s.peerConnsMu.RUnlock()
p, ok := s.peerConns[pubKey]
if !ok {
return
}
p.Close(true)
}
func (s *Store) PeerConnClose(pubKey string) {
s.peerConnsMu.RLock()
defer s.peerConnsMu.RUnlock()
@@ -114,7 +103,7 @@ func (s *Store) PeerConnClose(pubKey string) {
if !ok {
return
}
p.Close(false)
p.Close()
}
func (s *Store) PeersPubKey() []string {

View File

@@ -10,10 +10,11 @@ import (
nbdns "github.com/netbirdio/netbird/client/internal/dns"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/routemanager/common"
"github.com/netbirdio/netbird/client/internal/peerstore"
"github.com/netbirdio/netbird/client/internal/routemanager/dnsinterceptor"
"github.com/netbirdio/netbird/client/internal/routemanager/dynamic"
"github.com/netbirdio/netbird/client/internal/routemanager/iface"
"github.com/netbirdio/netbird/client/internal/routemanager/refcounter"
"github.com/netbirdio/netbird/client/internal/routemanager/static"
"github.com/netbirdio/netbird/client/proto"
"github.com/netbirdio/netbird/route"
@@ -552,16 +553,41 @@ func (w *Watcher) Stop() {
w.currentChosenStatus = nil
}
func HandlerFromRoute(params common.HandlerParams) RouteHandler {
switch handlerType(params.Route, params.UseNewDNSRoute) {
func HandlerFromRoute(
rt *route.Route,
routeRefCounter *refcounter.RouteRefCounter,
allowedIPsRefCounter *refcounter.AllowedIPsRefCounter,
dnsRouterInteval time.Duration,
statusRecorder *peer.Status,
wgInterface iface.WGIface,
dnsServer nbdns.Server,
peerStore *peerstore.Store,
useNewDNSRoute bool,
) RouteHandler {
switch handlerType(rt, useNewDNSRoute) {
case handlerTypeDnsInterceptor:
return dnsinterceptor.New(params)
return dnsinterceptor.New(
rt,
routeRefCounter,
allowedIPsRefCounter,
statusRecorder,
dnsServer,
wgInterface,
peerStore,
)
case handlerTypeDynamic:
dns := nbdns.NewServiceViaMemory(params.WgInterface)
dnsAddr := fmt.Sprintf("%s:%d", dns.RuntimeIP(), dns.RuntimePort())
return dynamic.NewRoute(params, dnsAddr)
dns := nbdns.NewServiceViaMemory(wgInterface)
return dynamic.NewRoute(
rt,
routeRefCounter,
allowedIPsRefCounter,
dnsRouterInteval,
statusRecorder,
wgInterface,
fmt.Sprintf("%s:%d", dns.RuntimeIP(), dns.RuntimePort()),
)
default:
return static.NewRoute(params)
return static.NewRoute(rt, routeRefCounter, allowedIPsRefCounter)
}
}

View File

@@ -7,12 +7,12 @@ import (
"time"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/routemanager/common"
"github.com/netbirdio/netbird/client/internal/routemanager/static"
"github.com/netbirdio/netbird/route"
)
func TestGetBestrouteFromStatuses(t *testing.T) {
testCases := []struct {
name string
statuses map[route.ID]routerPeerStatus
@@ -811,12 +811,9 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
currentRoute = tc.existingRoutes[tc.currentRoute]
}
params := common.HandlerParams{
Route: &route.Route{Network: netip.MustParsePrefix("192.168.0.0/24")},
}
// create new clientNetwork
client := &Watcher{
handler: static.NewRoute(params),
handler: static.NewRoute(&route.Route{Network: netip.MustParsePrefix("192.168.0.0/24")}, nil, nil),
routes: tc.existingRoutes,
currentChosen: currentRoute,
}

View File

@@ -1,28 +0,0 @@
package common
import (
"time"
"github.com/netbirdio/netbird/client/firewall/manager"
"github.com/netbirdio/netbird/client/internal/dns"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/peerstore"
"github.com/netbirdio/netbird/client/internal/routemanager/fakeip"
"github.com/netbirdio/netbird/client/internal/routemanager/iface"
"github.com/netbirdio/netbird/client/internal/routemanager/refcounter"
"github.com/netbirdio/netbird/route"
)
type HandlerParams struct {
Route *route.Route
RouteRefCounter *refcounter.RouteRefCounter
AllowedIPsRefCounter *refcounter.AllowedIPsRefCounter
DnsRouterInterval time.Duration
StatusRecorder *peer.Status
WgInterface iface.WGIface
DnsServer dns.Server
PeerStore *peerstore.Store
UseNewDNSRoute bool
Firewall manager.Manager
FakeIPManager *fakeip.Manager
}

View File

@@ -4,7 +4,6 @@ import (
"context"
"fmt"
"net/netip"
"runtime"
"strings"
"sync"
@@ -13,14 +12,11 @@ import (
log "github.com/sirupsen/logrus"
nberrors "github.com/netbirdio/netbird/client/errors"
firewall "github.com/netbirdio/netbird/client/firewall/manager"
"github.com/netbirdio/netbird/client/iface/wgaddr"
nbdns "github.com/netbirdio/netbird/client/internal/dns"
"github.com/netbirdio/netbird/client/internal/dnsfwd"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/peerstore"
"github.com/netbirdio/netbird/client/internal/routemanager/common"
"github.com/netbirdio/netbird/client/internal/routemanager/fakeip"
"github.com/netbirdio/netbird/client/internal/routemanager/refcounter"
"github.com/netbirdio/netbird/management/domain"
"github.com/netbirdio/netbird/route"
@@ -28,11 +24,6 @@ import (
type domainMap map[domain.Domain][]netip.Prefix
type internalDNATer interface {
RemoveInternalDNATMapping(netip.Addr) error
AddInternalDNATMapping(netip.Addr, netip.Addr) error
}
type wgInterface interface {
Name() string
Address() wgaddr.Address
@@ -49,22 +40,26 @@ type DnsInterceptor struct {
interceptedDomains domainMap
wgInterface wgInterface
peerStore *peerstore.Store
firewall firewall.Manager
fakeIPManager *fakeip.Manager
}
func New(params common.HandlerParams) *DnsInterceptor {
func New(
rt *route.Route,
routeRefCounter *refcounter.RouteRefCounter,
allowedIPsRefCounter *refcounter.AllowedIPsRefCounter,
statusRecorder *peer.Status,
dnsServer nbdns.Server,
wgInterface wgInterface,
peerStore *peerstore.Store,
) *DnsInterceptor {
return &DnsInterceptor{
route: params.Route,
routeRefCounter: params.RouteRefCounter,
allowedIPsRefcounter: params.AllowedIPsRefCounter,
statusRecorder: params.StatusRecorder,
dnsServer: params.DnsServer,
wgInterface: params.WgInterface,
peerStore: params.PeerStore,
firewall: params.Firewall,
fakeIPManager: params.FakeIPManager,
route: rt,
routeRefCounter: routeRefCounter,
allowedIPsRefcounter: allowedIPsRefCounter,
statusRecorder: statusRecorder,
dnsServer: dnsServer,
wgInterface: wgInterface,
interceptedDomains: make(domainMap),
peerStore: peerStore,
}
}
@@ -83,13 +78,9 @@ func (d *DnsInterceptor) RemoveRoute() error {
var merr *multierror.Error
for domain, prefixes := range d.interceptedDomains {
for _, prefix := range prefixes {
// Routes should use fake IPs
routePrefix := d.transformRealToFakePrefix(prefix)
if _, err := d.routeRefCounter.Decrement(routePrefix); err != nil {
merr = multierror.Append(merr, fmt.Errorf("remove dynamic route for IP %s: %v", routePrefix, err))
if _, err := d.routeRefCounter.Decrement(prefix); err != nil {
merr = multierror.Append(merr, fmt.Errorf("remove dynamic route for IP %s: %v", prefix, err))
}
// AllowedIPs should use real IPs
if d.currentPeerKey != "" {
if _, err := d.allowedIPsRefcounter.Decrement(prefix); err != nil {
merr = multierror.Append(merr, fmt.Errorf("remove allowed IP %s: %v", prefix, err))
@@ -97,10 +88,8 @@ func (d *DnsInterceptor) RemoveRoute() error {
}
}
log.Debugf("removed dynamic route(s) for [%s]: %s", domain.SafeString(), strings.ReplaceAll(fmt.Sprintf("%s", prefixes), " ", ", "))
}
d.cleanupDNATMappings()
for _, domain := range d.route.Domains {
d.statusRecorder.DeleteResolvedDomainsStates(domain)
}
@@ -113,68 +102,6 @@ func (d *DnsInterceptor) RemoveRoute() error {
return nberrors.FormatErrorOrNil(merr)
}
// transformRealToFakePrefix returns fake IP prefix for routes (if DNAT enabled)
func (d *DnsInterceptor) transformRealToFakePrefix(realPrefix netip.Prefix) netip.Prefix {
if _, hasDNAT := d.internalDnatFw(); !hasDNAT {
return realPrefix
}
if fakeIP, ok := d.fakeIPManager.GetFakeIP(realPrefix.Addr()); ok {
return netip.PrefixFrom(fakeIP, realPrefix.Bits())
}
return realPrefix
}
// addAllowedIPForPrefix handles the AllowedIPs logic for a single prefix (uses real IPs)
func (d *DnsInterceptor) addAllowedIPForPrefix(realPrefix netip.Prefix, peerKey string, domain domain.Domain) error {
// AllowedIPs always use real IPs
ref, err := d.allowedIPsRefcounter.Increment(realPrefix, peerKey)
if err != nil {
return fmt.Errorf("add allowed IP %s: %v", realPrefix, err)
}
if ref.Count > 1 && ref.Out != peerKey {
log.Warnf("IP [%s] for domain [%s] is already routed by peer [%s]. HA routing disabled",
realPrefix.Addr(),
domain.SafeString(),
ref.Out,
)
}
return nil
}
// addRouteAndAllowedIP handles both route and AllowedIPs addition for a prefix
func (d *DnsInterceptor) addRouteAndAllowedIP(realPrefix netip.Prefix, domain domain.Domain) error {
// Routes use fake IPs (so traffic to fake IPs gets routed to interface)
routePrefix := d.transformRealToFakePrefix(realPrefix)
if _, err := d.routeRefCounter.Increment(routePrefix, struct{}{}); err != nil {
return fmt.Errorf("add route for IP %s: %v", routePrefix, err)
}
// Add to AllowedIPs if we have a current peer (uses real IPs)
if d.currentPeerKey == "" {
return nil
}
return d.addAllowedIPForPrefix(realPrefix, d.currentPeerKey, domain)
}
// removeAllowedIP handles AllowedIPs removal for a prefix (uses real IPs)
func (d *DnsInterceptor) removeAllowedIP(realPrefix netip.Prefix) error {
if d.currentPeerKey == "" {
return nil
}
// AllowedIPs use real IPs
if _, err := d.allowedIPsRefcounter.Decrement(realPrefix); err != nil {
return fmt.Errorf("remove allowed IP %s: %v", realPrefix, err)
}
return nil
}
func (d *DnsInterceptor) AddAllowedIPs(peerKey string) error {
d.mu.Lock()
defer d.mu.Unlock()
@@ -182,9 +109,14 @@ func (d *DnsInterceptor) AddAllowedIPs(peerKey string) error {
var merr *multierror.Error
for domain, prefixes := range d.interceptedDomains {
for _, prefix := range prefixes {
// AllowedIPs use real IPs
if err := d.addAllowedIPForPrefix(prefix, peerKey, domain); err != nil {
merr = multierror.Append(merr, err)
if ref, err := d.allowedIPsRefcounter.Increment(prefix, peerKey); err != nil {
merr = multierror.Append(merr, fmt.Errorf("add allowed IP %s: %v", prefix, err))
} else if ref.Count > 1 && ref.Out != peerKey {
log.Warnf("IP [%s] for domain [%s] is already routed by peer [%s]. HA routing disabled",
prefix.Addr(),
domain.SafeString(),
ref.Out,
)
}
}
}
@@ -200,7 +132,6 @@ func (d *DnsInterceptor) RemoveAllowedIPs() error {
var merr *multierror.Error
for _, prefixes := range d.interceptedDomains {
for _, prefix := range prefixes {
// AllowedIPs use real IPs
if _, err := d.allowedIPsRefcounter.Decrement(prefix); err != nil {
merr = multierror.Append(merr, fmt.Errorf("remove allowed IP %s: %v", prefix, err))
}
@@ -356,8 +287,6 @@ func (d *DnsInterceptor) writeMsg(w dns.ResponseWriter, r *dns.Msg) error {
if err := d.updateDomainPrefixes(resolvedDomain, originalDomain, newPrefixes); err != nil {
log.Errorf("failed to update domain prefixes: %v", err)
}
d.replaceIPsInDNSResponse(r, newPrefixes)
}
}
@@ -368,22 +297,6 @@ func (d *DnsInterceptor) writeMsg(w dns.ResponseWriter, r *dns.Msg) error {
return nil
}
// logPrefixChanges handles the logging for prefix changes
func (d *DnsInterceptor) logPrefixChanges(resolvedDomain, originalDomain domain.Domain, toAdd, toRemove []netip.Prefix) {
if len(toAdd) > 0 {
log.Debugf("added dynamic route(s) for domain=%s (pattern: domain=%s): %s",
resolvedDomain.SafeString(),
originalDomain.SafeString(),
toAdd)
}
if len(toRemove) > 0 && !d.route.KeepRoute {
log.Debugf("removed dynamic route(s) for domain=%s (pattern: domain=%s): %s",
resolvedDomain.SafeString(),
originalDomain.SafeString(),
toRemove)
}
}
func (d *DnsInterceptor) updateDomainPrefixes(resolvedDomain, originalDomain domain.Domain, newPrefixes []netip.Prefix) error {
d.mu.Lock()
defer d.mu.Unlock()
@@ -392,163 +305,70 @@ func (d *DnsInterceptor) updateDomainPrefixes(resolvedDomain, originalDomain dom
toAdd, toRemove := determinePrefixChanges(oldPrefixes, newPrefixes)
var merr *multierror.Error
var dnatMappings map[netip.Addr]netip.Addr
// Handle DNAT mappings for new prefixes
if _, hasDNAT := d.internalDnatFw(); hasDNAT {
dnatMappings = make(map[netip.Addr]netip.Addr)
for _, prefix := range toAdd {
realIP := prefix.Addr()
if fakeIP, err := d.fakeIPManager.AllocateFakeIP(realIP); err == nil {
dnatMappings[fakeIP] = realIP
log.Tracef("allocated fake IP %s for real IP %s", fakeIP, realIP)
} else {
log.Errorf("Failed to allocate fake IP for %s: %v", realIP, err)
}
}
}
// Add new prefixes
for _, prefix := range toAdd {
if err := d.addRouteAndAllowedIP(prefix, resolvedDomain); err != nil {
merr = multierror.Append(merr, err)
if _, err := d.routeRefCounter.Increment(prefix, struct{}{}); err != nil {
merr = multierror.Append(merr, fmt.Errorf("add route for IP %s: %v", prefix, err))
continue
}
if d.currentPeerKey == "" {
continue
}
if ref, err := d.allowedIPsRefcounter.Increment(prefix, d.currentPeerKey); err != nil {
merr = multierror.Append(merr, fmt.Errorf("add allowed IP %s: %v", prefix, err))
} else if ref.Count > 1 && ref.Out != d.currentPeerKey {
log.Warnf("IP [%s] for domain [%s] is already routed by peer [%s]. HA routing disabled",
prefix.Addr(),
resolvedDomain.SafeString(),
ref.Out,
)
}
}
d.addDNATMappings(dnatMappings)
if !d.route.KeepRoute {
// Remove old prefixes
for _, prefix := range toRemove {
// Routes use fake IPs
routePrefix := d.transformRealToFakePrefix(prefix)
if _, err := d.routeRefCounter.Decrement(routePrefix); err != nil {
merr = multierror.Append(merr, fmt.Errorf("remove route for IP %s: %v", routePrefix, err))
if _, err := d.routeRefCounter.Decrement(prefix); err != nil {
merr = multierror.Append(merr, fmt.Errorf("remove route for IP %s: %v", prefix, err))
}
// AllowedIPs use real IPs
if err := d.removeAllowedIP(prefix); err != nil {
merr = multierror.Append(merr, err)
if d.currentPeerKey != "" {
if _, err := d.allowedIPsRefcounter.Decrement(prefix); err != nil {
merr = multierror.Append(merr, fmt.Errorf("remove allowed IP %s: %v", prefix, err))
}
}
}
d.removeDNATMappings(toRemove)
}
// Update domain prefixes using resolved domain as key - store real IPs
// Update domain prefixes using resolved domain as key
if len(toAdd) > 0 || len(toRemove) > 0 {
if d.route.KeepRoute {
// replace stored prefixes with old + added
// nolint:gocritic
newPrefixes = append(oldPrefixes, toAdd...)
}
d.interceptedDomains[resolvedDomain] = newPrefixes
originalDomain = domain.Domain(strings.TrimSuffix(string(originalDomain), "."))
// Store real IPs for status (user-facing), not fake IPs
d.statusRecorder.UpdateResolvedDomainsStates(originalDomain, resolvedDomain, newPrefixes, d.route.GetResourceID())
d.logPrefixChanges(resolvedDomain, originalDomain, toAdd, toRemove)
if len(toAdd) > 0 {
log.Debugf("added dynamic route(s) for domain=%s (pattern: domain=%s): %s",
resolvedDomain.SafeString(),
originalDomain.SafeString(),
toAdd)
}
if len(toRemove) > 0 && !d.route.KeepRoute {
log.Debugf("removed dynamic route(s) for domain=%s (pattern: domain=%s): %s",
resolvedDomain.SafeString(),
originalDomain.SafeString(),
toRemove)
}
}
return nberrors.FormatErrorOrNil(merr)
}
// removeDNATMappings removes DNAT mappings from the firewall for real IP prefixes
func (d *DnsInterceptor) removeDNATMappings(realPrefixes []netip.Prefix) {
if len(realPrefixes) == 0 {
return
}
dnatFirewall, ok := d.internalDnatFw()
if !ok {
return
}
for _, prefix := range realPrefixes {
realIP := prefix.Addr()
if fakeIP, exists := d.fakeIPManager.GetFakeIP(realIP); exists {
if err := dnatFirewall.RemoveInternalDNATMapping(fakeIP); err != nil {
log.Errorf("Failed to remove DNAT mapping for %s: %v", fakeIP, err)
} else {
log.Debugf("Removed DNAT mapping for: %s -> %s", fakeIP, realIP)
}
}
}
}
// internalDnatFw checks if the firewall supports internal DNAT
func (d *DnsInterceptor) internalDnatFw() (internalDNATer, bool) {
if d.firewall == nil || runtime.GOOS != "android" {
return nil, false
}
fw, ok := d.firewall.(internalDNATer)
return fw, ok
}
// addDNATMappings adds DNAT mappings to the firewall
func (d *DnsInterceptor) addDNATMappings(mappings map[netip.Addr]netip.Addr) {
if len(mappings) == 0 {
return
}
dnatFirewall, ok := d.internalDnatFw()
if !ok {
return
}
for fakeIP, realIP := range mappings {
if err := dnatFirewall.AddInternalDNATMapping(fakeIP, realIP); err != nil {
log.Errorf("Failed to add DNAT mapping %s -> %s: %v", fakeIP, realIP, err)
} else {
log.Debugf("Added DNAT mapping: %s -> %s", fakeIP, realIP)
}
}
}
// cleanupDNATMappings removes all DNAT mappings for this interceptor
func (d *DnsInterceptor) cleanupDNATMappings() {
if _, ok := d.internalDnatFw(); !ok {
return
}
for _, prefixes := range d.interceptedDomains {
d.removeDNATMappings(prefixes)
}
}
// replaceIPsInDNSResponse replaces real IPs with fake IPs in the DNS response
func (d *DnsInterceptor) replaceIPsInDNSResponse(reply *dns.Msg, realPrefixes []netip.Prefix) {
if _, ok := d.internalDnatFw(); !ok {
return
}
// Replace A and AAAA records with fake IPs
for _, answer := range reply.Answer {
switch rr := answer.(type) {
case *dns.A:
realIP, ok := netip.AddrFromSlice(rr.A)
if !ok {
continue
}
if fakeIP, exists := d.fakeIPManager.GetFakeIP(realIP); exists {
rr.A = fakeIP.AsSlice()
log.Tracef("Replaced real IP %s with fake IP %s in DNS response", realIP, fakeIP)
}
case *dns.AAAA:
realIP, ok := netip.AddrFromSlice(rr.AAAA)
if !ok {
continue
}
if fakeIP, exists := d.fakeIPManager.GetFakeIP(realIP); exists {
rr.AAAA = fakeIP.AsSlice()
log.Tracef("Replaced real IP %s with fake IP %s in DNS response", realIP, fakeIP)
}
}
}
}
func determinePrefixChanges(oldPrefixes, newPrefixes []netip.Prefix) (toAdd, toRemove []netip.Prefix) {
prefixSet := make(map[netip.Prefix]bool)
for _, prefix := range oldPrefixes {

View File

@@ -14,7 +14,6 @@ import (
nberrors "github.com/netbirdio/netbird/client/errors"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/routemanager/common"
"github.com/netbirdio/netbird/client/internal/routemanager/iface"
"github.com/netbirdio/netbird/client/internal/routemanager/refcounter"
"github.com/netbirdio/netbird/client/internal/routemanager/util"
@@ -53,16 +52,24 @@ type Route struct {
resolverAddr string
}
func NewRoute(params common.HandlerParams, resolverAddr string) *Route {
func NewRoute(
rt *route.Route,
routeRefCounter *refcounter.RouteRefCounter,
allowedIPsRefCounter *refcounter.AllowedIPsRefCounter,
interval time.Duration,
statusRecorder *peer.Status,
wgInterface iface.WGIface,
resolverAddr string,
) *Route {
return &Route{
route: params.Route,
routeRefCounter: params.RouteRefCounter,
allowedIPsRefcounter: params.AllowedIPsRefCounter,
interval: params.DnsRouterInterval,
statusRecorder: params.StatusRecorder,
wgInterface: params.WgInterface,
resolverAddr: resolverAddr,
route: rt,
routeRefCounter: routeRefCounter,
allowedIPsRefcounter: allowedIPsRefCounter,
interval: interval,
dynamicDomains: domainMap{},
statusRecorder: statusRecorder,
wgInterface: wgInterface,
resolverAddr: resolverAddr,
}
}

View File

@@ -1,93 +0,0 @@
package fakeip
import (
"fmt"
"net/netip"
"sync"
)
// Manager manages allocation of fake IPs from the 240.0.0.0/8 block
type Manager struct {
mu sync.Mutex
nextIP netip.Addr // Next IP to allocate
allocated map[netip.Addr]netip.Addr // real IP -> fake IP
fakeToReal map[netip.Addr]netip.Addr // fake IP -> real IP
baseIP netip.Addr // First usable IP: 240.0.0.1
maxIP netip.Addr // Last usable IP: 240.255.255.254
}
// NewManager creates a new fake IP manager using 240.0.0.0/8 block
func NewManager() *Manager {
baseIP := netip.AddrFrom4([4]byte{240, 0, 0, 1})
maxIP := netip.AddrFrom4([4]byte{240, 255, 255, 254})
return &Manager{
nextIP: baseIP,
allocated: make(map[netip.Addr]netip.Addr),
fakeToReal: make(map[netip.Addr]netip.Addr),
baseIP: baseIP,
maxIP: maxIP,
}
}
// AllocateFakeIP allocates a fake IP for the given real IP
// Returns the fake IP, or existing fake IP if already allocated
func (m *Manager) AllocateFakeIP(realIP netip.Addr) (netip.Addr, error) {
if !realIP.Is4() {
return netip.Addr{}, fmt.Errorf("only IPv4 addresses supported")
}
m.mu.Lock()
defer m.mu.Unlock()
if fakeIP, exists := m.allocated[realIP]; exists {
return fakeIP, nil
}
startIP := m.nextIP
for {
currentIP := m.nextIP
// Advance to next IP, wrapping at boundary
if m.nextIP.Compare(m.maxIP) >= 0 {
m.nextIP = m.baseIP
} else {
m.nextIP = m.nextIP.Next()
}
// Check if current IP is available
if _, inUse := m.fakeToReal[currentIP]; !inUse {
m.allocated[realIP] = currentIP
m.fakeToReal[currentIP] = realIP
return currentIP, nil
}
// Prevent infinite loop if all IPs exhausted
if m.nextIP.Compare(startIP) == 0 {
return netip.Addr{}, fmt.Errorf("no more fake IPs available in 240.0.0.0/8 block")
}
}
}
// GetFakeIP returns the fake IP for a real IP if it exists
func (m *Manager) GetFakeIP(realIP netip.Addr) (netip.Addr, bool) {
m.mu.Lock()
defer m.mu.Unlock()
fakeIP, exists := m.allocated[realIP]
return fakeIP, exists
}
// GetRealIP returns the real IP for a fake IP if it exists, otherwise false
func (m *Manager) GetRealIP(fakeIP netip.Addr) (netip.Addr, bool) {
m.mu.Lock()
defer m.mu.Unlock()
realIP, exists := m.fakeToReal[fakeIP]
return realIP, exists
}
// GetFakeIPBlock returns the fake IP block used by this manager
func (m *Manager) GetFakeIPBlock() netip.Prefix {
return netip.MustParsePrefix("240.0.0.0/8")
}

View File

@@ -1,240 +0,0 @@
package fakeip
import (
"net/netip"
"sync"
"testing"
)
func TestNewManager(t *testing.T) {
manager := NewManager()
if manager.baseIP.String() != "240.0.0.1" {
t.Errorf("Expected base IP 240.0.0.1, got %s", manager.baseIP.String())
}
if manager.maxIP.String() != "240.255.255.254" {
t.Errorf("Expected max IP 240.255.255.254, got %s", manager.maxIP.String())
}
if manager.nextIP.Compare(manager.baseIP) != 0 {
t.Errorf("Expected nextIP to start at baseIP")
}
}
func TestAllocateFakeIP(t *testing.T) {
manager := NewManager()
realIP := netip.MustParseAddr("8.8.8.8")
fakeIP, err := manager.AllocateFakeIP(realIP)
if err != nil {
t.Fatalf("Failed to allocate fake IP: %v", err)
}
if !fakeIP.Is4() {
t.Error("Fake IP should be IPv4")
}
// Check it's in the correct range
if fakeIP.As4()[0] != 240 {
t.Errorf("Fake IP should be in 240.0.0.0/8 range, got %s", fakeIP.String())
}
// Should return same fake IP for same real IP
fakeIP2, err := manager.AllocateFakeIP(realIP)
if err != nil {
t.Fatalf("Failed to get existing fake IP: %v", err)
}
if fakeIP.Compare(fakeIP2) != 0 {
t.Errorf("Expected same fake IP for same real IP, got %s and %s", fakeIP.String(), fakeIP2.String())
}
}
func TestAllocateFakeIPIPv6Rejection(t *testing.T) {
manager := NewManager()
realIPv6 := netip.MustParseAddr("2001:db8::1")
_, err := manager.AllocateFakeIP(realIPv6)
if err == nil {
t.Error("Expected error for IPv6 address")
}
}
func TestGetFakeIP(t *testing.T) {
manager := NewManager()
realIP := netip.MustParseAddr("1.1.1.1")
// Should not exist initially
_, exists := manager.GetFakeIP(realIP)
if exists {
t.Error("Fake IP should not exist before allocation")
}
// Allocate and check
expectedFakeIP, err := manager.AllocateFakeIP(realIP)
if err != nil {
t.Fatalf("Failed to allocate: %v", err)
}
fakeIP, exists := manager.GetFakeIP(realIP)
if !exists {
t.Error("Fake IP should exist after allocation")
}
if fakeIP.Compare(expectedFakeIP) != 0 {
t.Errorf("Expected %s, got %s", expectedFakeIP.String(), fakeIP.String())
}
}
func TestMultipleAllocations(t *testing.T) {
manager := NewManager()
allocations := make(map[netip.Addr]netip.Addr)
// Allocate multiple IPs
for i := 1; i <= 100; i++ {
realIP := netip.AddrFrom4([4]byte{10, 0, byte(i / 256), byte(i % 256)})
fakeIP, err := manager.AllocateFakeIP(realIP)
if err != nil {
t.Fatalf("Failed to allocate fake IP for %s: %v", realIP.String(), err)
}
// Check for duplicates
for _, existingFake := range allocations {
if fakeIP.Compare(existingFake) == 0 {
t.Errorf("Duplicate fake IP allocated: %s", fakeIP.String())
}
}
allocations[realIP] = fakeIP
}
// Verify all allocations can be retrieved
for realIP, expectedFake := range allocations {
actualFake, exists := manager.GetFakeIP(realIP)
if !exists {
t.Errorf("Missing allocation for %s", realIP.String())
}
if actualFake.Compare(expectedFake) != 0 {
t.Errorf("Mismatch for %s: expected %s, got %s", realIP.String(), expectedFake.String(), actualFake.String())
}
}
}
func TestGetFakeIPBlock(t *testing.T) {
manager := NewManager()
block := manager.GetFakeIPBlock()
expected := "240.0.0.0/8"
if block.String() != expected {
t.Errorf("Expected %s, got %s", expected, block.String())
}
}
func TestConcurrentAccess(t *testing.T) {
manager := NewManager()
const numGoroutines = 50
const allocationsPerGoroutine = 10
var wg sync.WaitGroup
results := make(chan netip.Addr, numGoroutines*allocationsPerGoroutine)
// Concurrent allocations
for i := 0; i < numGoroutines; i++ {
wg.Add(1)
go func(goroutineID int) {
defer wg.Done()
for j := 0; j < allocationsPerGoroutine; j++ {
realIP := netip.AddrFrom4([4]byte{192, 168, byte(goroutineID), byte(j)})
fakeIP, err := manager.AllocateFakeIP(realIP)
if err != nil {
t.Errorf("Failed to allocate in goroutine %d: %v", goroutineID, err)
return
}
results <- fakeIP
}
}(i)
}
wg.Wait()
close(results)
// Check for duplicates
seen := make(map[netip.Addr]bool)
count := 0
for fakeIP := range results {
if seen[fakeIP] {
t.Errorf("Duplicate fake IP in concurrent test: %s", fakeIP.String())
}
seen[fakeIP] = true
count++
}
if count != numGoroutines*allocationsPerGoroutine {
t.Errorf("Expected %d allocations, got %d", numGoroutines*allocationsPerGoroutine, count)
}
}
func TestIPExhaustion(t *testing.T) {
// Create a manager with limited range for testing
manager := &Manager{
nextIP: netip.AddrFrom4([4]byte{240, 0, 0, 1}),
allocated: make(map[netip.Addr]netip.Addr),
fakeToReal: make(map[netip.Addr]netip.Addr),
baseIP: netip.AddrFrom4([4]byte{240, 0, 0, 1}),
maxIP: netip.AddrFrom4([4]byte{240, 0, 0, 3}), // Only 3 IPs available
}
// Allocate all available IPs
realIPs := []netip.Addr{
netip.MustParseAddr("1.0.0.1"),
netip.MustParseAddr("1.0.0.2"),
netip.MustParseAddr("1.0.0.3"),
}
for _, realIP := range realIPs {
_, err := manager.AllocateFakeIP(realIP)
if err != nil {
t.Fatalf("Failed to allocate fake IP: %v", err)
}
}
// Try to allocate one more - should fail
_, err := manager.AllocateFakeIP(netip.MustParseAddr("1.0.0.4"))
if err == nil {
t.Error("Expected exhaustion error")
}
}
func TestWrapAround(t *testing.T) {
// Create manager starting near the end of range
manager := &Manager{
nextIP: netip.AddrFrom4([4]byte{240, 0, 0, 254}),
allocated: make(map[netip.Addr]netip.Addr),
fakeToReal: make(map[netip.Addr]netip.Addr),
baseIP: netip.AddrFrom4([4]byte{240, 0, 0, 1}),
maxIP: netip.AddrFrom4([4]byte{240, 0, 0, 254}),
}
// Allocate the last IP
fakeIP1, err := manager.AllocateFakeIP(netip.MustParseAddr("1.0.0.1"))
if err != nil {
t.Fatalf("Failed to allocate first IP: %v", err)
}
if fakeIP1.String() != "240.0.0.254" {
t.Errorf("Expected 240.0.0.254, got %s", fakeIP1.String())
}
// Next allocation should wrap around to the beginning
fakeIP2, err := manager.AllocateFakeIP(netip.MustParseAddr("1.0.0.2"))
if err != nil {
t.Fatalf("Failed to allocate second IP: %v", err)
}
if fakeIP2.String() != "240.0.0.1" {
t.Errorf("Expected 240.0.0.1 after wrap, got %s", fakeIP2.String())
}
}

View File

@@ -8,11 +8,9 @@ import (
"net/netip"
"net/url"
"runtime"
"slices"
"sync"
"time"
"github.com/google/uuid"
"github.com/hashicorp/go-multierror"
log "github.com/sirupsen/logrus"
"golang.org/x/exp/maps"
@@ -26,8 +24,6 @@ import (
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/peerstore"
"github.com/netbirdio/netbird/client/internal/routemanager/client"
"github.com/netbirdio/netbird/client/internal/routemanager/common"
"github.com/netbirdio/netbird/client/internal/routemanager/fakeip"
"github.com/netbirdio/netbird/client/internal/routemanager/iface"
"github.com/netbirdio/netbird/client/internal/routemanager/notifier"
"github.com/netbirdio/netbird/client/internal/routemanager/refcounter"
@@ -44,7 +40,7 @@ import (
// Manager is a route manager interface
type Manager interface {
Init() error
Init() (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error)
UpdateRoutes(updateSerial uint64, serverRoutes map[route.ID]*route.Route, clientRoutes route.HAMap, useNewDNSRoute bool) error
ClassifyRoutes(newRoutes []*route.Route) (map[route.ID]*route.Route, route.HAMap)
TriggerSelection(route.HAMap)
@@ -53,7 +49,7 @@ type Manager interface {
GetClientRoutesWithNetID() map[route.NetID][]*route.Route
SetRouteChangeListener(listener listener.NetworkChangeListener)
InitialRouteRange() []string
SetFirewall(firewall.Manager) error
EnableServerRouter(firewall firewall.Manager) error
Stop(stateManager *statemanager.Manager)
}
@@ -67,7 +63,6 @@ type ManagerConfig struct {
InitialRoutes []*route.Route
StateManager *statemanager.Manager
DNSServer dns.Server
DNSFeatureFlag bool
PeerStore *peerstore.Store
DisableClientRoutes bool
DisableServerRoutes bool
@@ -94,13 +89,11 @@ type DefaultManager struct {
// clientRoutes is the most recent list of clientRoutes received from the Management Service
clientRoutes route.HAMap
dnsServer dns.Server
firewall firewall.Manager
peerStore *peerstore.Store
useNewDNSRoute bool
disableClientRoutes bool
disableServerRoutes bool
activeRoutes map[route.HAUniqueID]client.RouteHandler
fakeIPManager *fakeip.Manager
}
func NewManager(config ManagerConfig) *DefaultManager {
@@ -136,31 +129,11 @@ func NewManager(config ManagerConfig) *DefaultManager {
}
if runtime.GOOS == "android" {
dm.setupAndroidRoutes(config)
cr := dm.initialClientRoutes(config.InitialRoutes)
dm.notifier.SetInitialClientRoutes(cr)
}
return dm
}
func (m *DefaultManager) setupAndroidRoutes(config ManagerConfig) {
cr := m.initialClientRoutes(config.InitialRoutes)
routesForComparison := slices.Clone(cr)
if config.DNSFeatureFlag {
m.fakeIPManager = fakeip.NewManager()
id := uuid.NewString()
fakeIPRoute := &route.Route{
ID: route.ID(id),
Network: m.fakeIPManager.GetFakeIPBlock(),
NetID: route.NetID(id),
Peer: m.pubKey,
NetworkType: route.IPv4Network,
}
cr = append(cr, fakeIPRoute)
}
m.notifier.SetInitialClientRoutes(cr, routesForComparison)
}
func (m *DefaultManager) setupRefCounters(useNoop bool) {
m.routeRefCounter = refcounter.New(
@@ -201,11 +174,11 @@ func (m *DefaultManager) setupRefCounters(useNoop bool) {
}
// Init sets up the routing
func (m *DefaultManager) Init() error {
func (m *DefaultManager) Init() (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error) {
m.routeSelector = m.initSelector()
if nbnet.CustomRoutingDisabled() || m.disableClientRoutes {
return nil
return nil, nil, nil
}
if err := m.sysOps.CleanupRouting(nil); err != nil {
@@ -219,12 +192,13 @@ func (m *DefaultManager) Init() error {
ips := resolveURLsToIPs(initialAddresses)
if err := m.sysOps.SetupRouting(ips, m.stateManager); err != nil {
return fmt.Errorf("setup routing: %w", err)
beforePeerHook, afterPeerHook, err := m.sysOps.SetupRouting(ips, m.stateManager)
if err != nil {
return nil, nil, fmt.Errorf("setup routing: %w", err)
}
log.Info("Routing setup complete")
return nil
return beforePeerHook, afterPeerHook, nil
}
func (m *DefaultManager) initSelector() *routeselector.RouteSelector {
@@ -248,16 +222,16 @@ func (m *DefaultManager) initSelector() *routeselector.RouteSelector {
return routeselector.NewRouteSelector()
}
// SetFirewall sets the firewall manager for the DefaultManager
// Not thread-safe, should be called before starting the manager
func (m *DefaultManager) SetFirewall(firewall firewall.Manager) error {
m.firewall = firewall
if m.disableServerRoutes || firewall == nil {
func (m *DefaultManager) EnableServerRouter(firewall firewall.Manager) error {
if m.disableServerRoutes {
log.Info("server routes are disabled")
return nil
}
if firewall == nil {
return errors.New("firewall manager is not set")
}
var err error
m.serverRouter, err = server.NewRouter(m.ctx, m.wgInterface, firewall, m.statusRecorder)
if err != nil {
@@ -325,20 +299,17 @@ func (m *DefaultManager) updateSystemRoutes(newRoutes route.HAMap) error {
}
for id, route := range toAdd {
params := common.HandlerParams{
Route: route,
RouteRefCounter: m.routeRefCounter,
AllowedIPsRefCounter: m.allowedIPsRefCounter,
DnsRouterInterval: m.dnsRouteInterval,
StatusRecorder: m.statusRecorder,
WgInterface: m.wgInterface,
DnsServer: m.dnsServer,
PeerStore: m.peerStore,
UseNewDNSRoute: m.useNewDNSRoute,
Firewall: m.firewall,
FakeIPManager: m.fakeIPManager,
}
handler := client.HandlerFromRoute(params)
handler := client.HandlerFromRoute(
route,
m.routeRefCounter,
m.allowedIPsRefCounter,
m.dnsRouteInterval,
m.statusRecorder,
m.wgInterface,
m.dnsServer,
m.peerStore,
m.useNewDNSRoute,
)
if err := handler.AddRoute(m.ctx); err != nil {
merr = multierror.Append(merr, fmt.Errorf("add route %s: %w", handler.String(), err))
continue
@@ -546,7 +517,6 @@ func (m *DefaultManager) initialClientRoutes(initialRoutes []*route.Route) []*ro
for _, routes := range crMap {
rs = append(rs, routes...)
}
return rs
}

View File

@@ -430,7 +430,7 @@ func TestManagerUpdateRoutes(t *testing.T) {
StatusRecorder: statusRecorder,
})
err = routeManager.Init()
_, _, err = routeManager.Init()
require.NoError(t, err, "should init route manager")
defer routeManager.Stop(nil)

View File

@@ -9,6 +9,7 @@ import (
"github.com/netbirdio/netbird/client/internal/routeselector"
"github.com/netbirdio/netbird/client/internal/statemanager"
"github.com/netbirdio/netbird/route"
"github.com/netbirdio/netbird/util/net"
)
// MockManager is the mock instance of a route manager
@@ -22,8 +23,8 @@ type MockManager struct {
StopFunc func(manager *statemanager.Manager)
}
func (m *MockManager) Init() error {
return nil
func (m *MockManager) Init() (net.AddHookFunc, net.RemoveHookFunc, error) {
return nil, nil, nil
}
// InitialRouteRange mock implementation of InitialRouteRange from Manager interface
@@ -86,7 +87,7 @@ func (m *MockManager) SetRouteChangeListener(listener listener.NetworkChangeList
}
func (m *MockManager) SetFirewall(firewall.Manager) error {
func (m *MockManager) EnableServerRouter(firewall firewall.Manager) error {
panic("implement me")
}

View File

@@ -0,0 +1,124 @@
package notifier
import (
"net/netip"
"runtime"
"sort"
"strings"
"sync"
"github.com/netbirdio/netbird/client/internal/listener"
"github.com/netbirdio/netbird/route"
)
type Notifier struct {
initialRouteRanges []string
routeRanges []string
listener listener.NetworkChangeListener
listenerMux sync.Mutex
}
func NewNotifier() *Notifier {
return &Notifier{}
}
func (n *Notifier) SetListener(listener listener.NetworkChangeListener) {
n.listenerMux.Lock()
defer n.listenerMux.Unlock()
n.listener = listener
}
func (n *Notifier) SetInitialClientRoutes(clientRoutes []*route.Route) {
nets := make([]string, 0)
for _, r := range clientRoutes {
if r.IsDynamic() {
continue
}
nets = append(nets, r.Network.String())
}
sort.Strings(nets)
n.initialRouteRanges = nets
}
func (n *Notifier) OnNewRoutes(idMap route.HAMap) {
if runtime.GOOS != "android" {
return
}
var newNets []string
for _, routes := range idMap {
for _, r := range routes {
if r.IsDynamic() {
continue
}
newNets = append(newNets, r.Network.String())
}
}
sort.Strings(newNets)
if !n.hasDiff(n.initialRouteRanges, newNets) {
return
}
n.routeRanges = newNets
n.notify()
}
// OnNewPrefixes is called from iOS only
func (n *Notifier) OnNewPrefixes(prefixes []netip.Prefix) {
newNets := make([]string, 0)
for _, prefix := range prefixes {
newNets = append(newNets, prefix.String())
}
sort.Strings(newNets)
if !n.hasDiff(n.routeRanges, newNets) {
return
}
n.routeRanges = newNets
n.notify()
}
func (n *Notifier) notify() {
n.listenerMux.Lock()
defer n.listenerMux.Unlock()
if n.listener == nil {
return
}
go func(l listener.NetworkChangeListener) {
l.OnNetworkChanged(strings.Join(addIPv6RangeIfNeeded(n.routeRanges), ","))
}(n.listener)
}
func (n *Notifier) hasDiff(a []string, b []string) bool {
if len(a) != len(b) {
return true
}
for i, v := range a {
if v != b[i] {
return true
}
}
return false
}
func (n *Notifier) GetInitialRouteRanges() []string {
return addIPv6RangeIfNeeded(n.initialRouteRanges)
}
// addIPv6RangeIfNeeded returns the input ranges with the default IPv6 range when there is an IPv4 default route.
func addIPv6RangeIfNeeded(inputRanges []string) []string {
ranges := inputRanges
for _, r := range inputRanges {
// we are intentionally adding the ipv6 default range in case of ipv4 default range
// to ensure that all traffic is managed by the tunnel interface on android
if r == "0.0.0.0/0" {
ranges = append(ranges, "::/0")
break
}
}
return ranges
}

View File

@@ -1,127 +0,0 @@
//go:build android
package notifier
import (
"net/netip"
"slices"
"sort"
"strings"
"sync"
"github.com/netbirdio/netbird/client/internal/listener"
"github.com/netbirdio/netbird/route"
)
type Notifier struct {
initialRoutes []*route.Route
currentRoutes []*route.Route
listener listener.NetworkChangeListener
listenerMux sync.Mutex
}
func NewNotifier() *Notifier {
return &Notifier{}
}
func (n *Notifier) SetListener(listener listener.NetworkChangeListener) {
n.listenerMux.Lock()
defer n.listenerMux.Unlock()
n.listener = listener
}
func (n *Notifier) SetInitialClientRoutes(initialRoutes []*route.Route, routesForComparison []*route.Route) {
// initialRoutes contains fake IP block for interface configuration
filteredInitial := make([]*route.Route, 0)
for _, r := range initialRoutes {
if r.IsDynamic() {
continue
}
filteredInitial = append(filteredInitial, r)
}
n.initialRoutes = filteredInitial
// routesForComparison excludes fake IP block for comparison with new routes
filteredComparison := make([]*route.Route, 0)
for _, r := range routesForComparison {
if r.IsDynamic() {
continue
}
filteredComparison = append(filteredComparison, r)
}
n.currentRoutes = filteredComparison
}
func (n *Notifier) OnNewRoutes(idMap route.HAMap) {
var newRoutes []*route.Route
for _, routes := range idMap {
for _, r := range routes {
if r.IsDynamic() {
continue
}
newRoutes = append(newRoutes, r)
}
}
if !n.hasRouteDiff(n.currentRoutes, newRoutes) {
return
}
n.currentRoutes = newRoutes
n.notify()
}
func (n *Notifier) OnNewPrefixes([]netip.Prefix) {
// Not used on Android
}
func (n *Notifier) notify() {
n.listenerMux.Lock()
defer n.listenerMux.Unlock()
if n.listener == nil {
return
}
routeStrings := n.routesToStrings(n.currentRoutes)
sort.Strings(routeStrings)
go func(l listener.NetworkChangeListener) {
l.OnNetworkChanged(strings.Join(n.addIPv6RangeIfNeeded(routeStrings, n.currentRoutes), ","))
}(n.listener)
}
func (n *Notifier) routesToStrings(routes []*route.Route) []string {
nets := make([]string, 0, len(routes))
for _, r := range routes {
nets = append(nets, r.NetString())
}
return nets
}
func (n *Notifier) hasRouteDiff(a []*route.Route, b []*route.Route) bool {
slices.SortFunc(a, func(x, y *route.Route) int {
return strings.Compare(x.NetString(), y.NetString())
})
slices.SortFunc(b, func(x, y *route.Route) int {
return strings.Compare(x.NetString(), y.NetString())
})
return !slices.EqualFunc(a, b, func(x, y *route.Route) bool {
return x.NetString() == y.NetString()
})
}
func (n *Notifier) GetInitialRouteRanges() []string {
initialStrings := n.routesToStrings(n.initialRoutes)
sort.Strings(initialStrings)
return n.addIPv6RangeIfNeeded(initialStrings, n.initialRoutes)
}
func (n *Notifier) addIPv6RangeIfNeeded(inputRanges []string, routes []*route.Route) []string {
for _, r := range routes {
if r.Network.Addr().Is4() && r.Network.Bits() == 0 {
return append(slices.Clone(inputRanges), "::/0")
}
}
return inputRanges
}

View File

@@ -1,80 +0,0 @@
//go:build ios
package notifier
import (
"net/netip"
"slices"
"sort"
"strings"
"sync"
"github.com/netbirdio/netbird/client/internal/listener"
"github.com/netbirdio/netbird/route"
)
type Notifier struct {
currentPrefixes []string
listener listener.NetworkChangeListener
listenerMux sync.Mutex
}
func NewNotifier() *Notifier {
return &Notifier{}
}
func (n *Notifier) SetListener(listener listener.NetworkChangeListener) {
n.listenerMux.Lock()
defer n.listenerMux.Unlock()
n.listener = listener
}
func (n *Notifier) SetInitialClientRoutes([]*route.Route, []*route.Route) {
// iOS doesn't care about initial routes
}
func (n *Notifier) OnNewRoutes(route.HAMap) {
// Not used on iOS
}
func (n *Notifier) OnNewPrefixes(prefixes []netip.Prefix) {
newNets := make([]string, 0)
for _, prefix := range prefixes {
newNets = append(newNets, prefix.String())
}
sort.Strings(newNets)
if slices.Equal(n.currentPrefixes, newNets) {
return
}
n.currentPrefixes = newNets
n.notify()
}
func (n *Notifier) notify() {
n.listenerMux.Lock()
defer n.listenerMux.Unlock()
if n.listener == nil {
return
}
go func(l listener.NetworkChangeListener) {
l.OnNetworkChanged(strings.Join(n.addIPv6RangeIfNeeded(n.currentPrefixes), ","))
}(n.listener)
}
func (n *Notifier) GetInitialRouteRanges() []string {
return nil
}
func (n *Notifier) addIPv6RangeIfNeeded(inputRanges []string) []string {
for _, r := range inputRanges {
if r == "0.0.0.0/0" {
return append(slices.Clone(inputRanges), "::/0")
}
}
return inputRanges
}

View File

@@ -1,36 +0,0 @@
//go:build !android && !ios
package notifier
import (
"net/netip"
"github.com/netbirdio/netbird/client/internal/listener"
"github.com/netbirdio/netbird/route"
)
type Notifier struct{}
func NewNotifier() *Notifier {
return &Notifier{}
}
func (n *Notifier) SetListener(listener listener.NetworkChangeListener) {
// Not used on non-mobile platforms
}
func (n *Notifier) SetInitialClientRoutes([]*route.Route, []*route.Route) {
// Not used on non-mobile platforms
}
func (n *Notifier) OnNewRoutes(idMap route.HAMap) {
// Not used on non-mobile platforms
}
func (n *Notifier) OnNewPrefixes(prefixes []netip.Prefix) {
// Not used on non-mobile platforms
}
func (n *Notifier) GetInitialRouteRanges() []string {
return []string{}
}

View File

@@ -6,7 +6,6 @@ import (
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/client/internal/routemanager/common"
"github.com/netbirdio/netbird/client/internal/routemanager/refcounter"
"github.com/netbirdio/netbird/route"
)
@@ -17,11 +16,11 @@ type Route struct {
allowedIPsRefcounter *refcounter.AllowedIPsRefCounter
}
func NewRoute(params common.HandlerParams) *Route {
func NewRoute(rt *route.Route, routeRefCounter *refcounter.RouteRefCounter, allowedIPsRefCounter *refcounter.AllowedIPsRefCounter) *Route {
return &Route{
route: params.Route,
routeRefCounter: params.RouteRefCounter,
allowedIPsRefcounter: params.AllowedIPsRefCounter,
route: rt,
routeRefCounter: routeRefCounter,
allowedIPsRefcounter: allowedIPsRefCounter,
}
}

View File

@@ -5,8 +5,6 @@ import (
"net"
"net/netip"
"sync"
"sync/atomic"
"time"
"github.com/netbirdio/netbird/client/iface/wgaddr"
"github.com/netbirdio/netbird/client/internal/routemanager/notifier"
@@ -54,13 +52,6 @@ type SysOps struct {
mu sync.Mutex
// notifier is used to notify the system of route changes (also used on mobile)
notifier *notifier.Notifier
// seq is an atomic counter for generating unique sequence numbers for route messages
//nolint:unused // only used on BSD systems
seq atomic.Uint32
localSubnetsCache []*net.IPNet
localSubnetsCacheMu sync.RWMutex
localSubnetsCacheTime time.Time
}
func NewSysOps(wgInterface wgIface, notifier *notifier.Notifier) *SysOps {
@@ -70,11 +61,6 @@ func NewSysOps(wgInterface wgIface, notifier *notifier.Notifier) *SysOps {
}
}
//nolint:unused // only used on BSD systems
func (r *SysOps) getSeq() int {
return int(r.seq.Add(1))
}
func (r *SysOps) validateRoute(prefix netip.Prefix) error {
addr := prefix.Addr()

View File

@@ -10,10 +10,11 @@ import (
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/client/internal/statemanager"
nbnet "github.com/netbirdio/netbird/util/net"
)
func (r *SysOps) SetupRouting([]net.IP, *statemanager.Manager) error {
return nil
func (r *SysOps) SetupRouting([]net.IP, *statemanager.Manager) (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error) {
return nil, nil, nil
}
func (r *SysOps) CleanupRouting(*statemanager.Manager) error {

View File

@@ -10,7 +10,6 @@ import (
"net/netip"
"runtime"
"strconv"
"time"
"github.com/hashicorp/go-multierror"
"github.com/libp2p/go-netroute"
@@ -25,8 +24,6 @@ import (
nbnet "github.com/netbirdio/netbird/util/net"
)
const localSubnetsCacheTTL = 15 * time.Minute
var splitDefaultv4_1 = netip.PrefixFrom(netip.IPv4Unspecified(), 1)
var splitDefaultv4_2 = netip.PrefixFrom(netip.AddrFrom4([4]byte{128}), 1)
var splitDefaultv6_1 = netip.PrefixFrom(netip.IPv6Unspecified(), 1)
@@ -34,7 +31,7 @@ var splitDefaultv6_2 = netip.PrefixFrom(netip.AddrFrom16([16]byte{0x80}), 1)
var ErrRoutingIsSeparate = errors.New("routing is separate")
func (r *SysOps) setupRefCounter(initAddresses []net.IP, stateManager *statemanager.Manager) error {
func (r *SysOps) setupRefCounter(initAddresses []net.IP, stateManager *statemanager.Manager) (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error) {
stateManager.RegisterState(&ShutdownState{})
initialNextHopV4, err := GetNextHop(netip.IPv4Unspecified())
@@ -78,10 +75,7 @@ func (r *SysOps) setupRefCounter(initAddresses []net.IP, stateManager *statemana
r.refCounter = refCounter
if err := r.setupHooks(initAddresses, stateManager); err != nil {
return fmt.Errorf("setup hooks: %w", err)
}
return nil
return r.setupHooks(initAddresses, stateManager)
}
// updateState updates state on every change so it will be persisted regularly
@@ -134,14 +128,18 @@ func (r *SysOps) addRouteToNonVPNIntf(prefix netip.Prefix, vpnIntf wgIface, init
return Nexthop{}, fmt.Errorf("get next hop: %w", err)
}
log.Debugf("Found next hop %s for prefix %s with interface %v", nexthop.IP, prefix, nexthop.Intf)
exitNextHop := nexthop
log.Debugf("Found next hop %s for prefix %s with interface %v", nexthop.IP, prefix, nexthop.IP)
exitNextHop := Nexthop{
IP: nexthop.IP,
Intf: nexthop.Intf,
}
vpnAddr := vpnIntf.Address().IP
// if next hop is the VPN address or the interface is the VPN interface, we should use the initial values
if exitNextHop.IP == vpnAddr || exitNextHop.Intf != nil && exitNextHop.Intf.Name == vpnIntf.Name() {
log.Debugf("Route for prefix %s is pointing to the VPN interface, using initial next hop %v", prefix, initialNextHop)
exitNextHop = initialNextHop
}
@@ -154,37 +152,12 @@ func (r *SysOps) addRouteToNonVPNIntf(prefix netip.Prefix, vpnIntf wgIface, init
}
func (r *SysOps) isPrefixInLocalSubnets(prefix netip.Prefix) (bool, *net.IPNet) {
r.localSubnetsCacheMu.RLock()
cacheAge := time.Since(r.localSubnetsCacheTime)
subnets := r.localSubnetsCache
r.localSubnetsCacheMu.RUnlock()
if cacheAge > localSubnetsCacheTTL || subnets == nil {
r.localSubnetsCacheMu.Lock()
if time.Since(r.localSubnetsCacheTime) > localSubnetsCacheTTL || r.localSubnetsCache == nil {
r.refreshLocalSubnetsCache()
}
subnets = r.localSubnetsCache
r.localSubnetsCacheMu.Unlock()
}
for _, subnet := range subnets {
if subnet.Contains(prefix.Addr().AsSlice()) {
return true, subnet
}
}
return false, nil
}
func (r *SysOps) refreshLocalSubnetsCache() {
localInterfaces, err := net.Interfaces()
if err != nil {
log.Errorf("Failed to get local interfaces: %v", err)
return
return false, nil
}
var newSubnets []*net.IPNet
for _, intf := range localInterfaces {
addrs, err := intf.Addrs()
if err != nil {
@@ -198,12 +171,14 @@ func (r *SysOps) refreshLocalSubnetsCache() {
log.Errorf("Failed to convert address to IPNet: %v", addr)
continue
}
newSubnets = append(newSubnets, ipnet)
if ipnet.Contains(prefix.Addr().AsSlice()) {
return true, ipnet
}
}
}
r.localSubnetsCache = newSubnets
r.localSubnetsCacheTime = time.Now()
return false, nil
}
// genericAddVPNRoute adds a new route to the vpn interface, it splits the default prefix
@@ -289,7 +264,7 @@ func (r *SysOps) genericRemoveVPNRoute(prefix netip.Prefix, intf *net.Interface)
return r.removeFromRouteTable(prefix, nextHop)
}
func (r *SysOps) setupHooks(initAddresses []net.IP, stateManager *statemanager.Manager) error {
func (r *SysOps) setupHooks(initAddresses []net.IP, stateManager *statemanager.Manager) (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error) {
beforeHook := func(connID nbnet.ConnectionID, ip net.IP) error {
prefix, err := util.GetPrefixFromIP(ip)
if err != nil {
@@ -314,11 +289,9 @@ func (r *SysOps) setupHooks(initAddresses []net.IP, stateManager *statemanager.M
return nil
}
var merr *multierror.Error
for _, ip := range initAddresses {
if err := beforeHook("init", ip); err != nil {
merr = multierror.Append(merr, fmt.Errorf("add initial route for %s: %w", ip, err))
log.Errorf("Failed to add route reference: %v", err)
}
}
@@ -327,11 +300,11 @@ func (r *SysOps) setupHooks(initAddresses []net.IP, stateManager *statemanager.M
return ctx.Err()
}
var merr *multierror.Error
var result *multierror.Error
for _, ip := range resolvedIPs {
merr = multierror.Append(merr, beforeHook(connID, ip.IP))
result = multierror.Append(result, beforeHook(connID, ip.IP))
}
return nberrors.FormatErrorOrNil(merr)
return nberrors.FormatErrorOrNil(result)
})
nbnet.AddDialerCloseHook(func(connID nbnet.ConnectionID, conn *net.Conn) error {
@@ -346,16 +319,7 @@ func (r *SysOps) setupHooks(initAddresses []net.IP, stateManager *statemanager.M
return afterHook(connID)
})
nbnet.AddListenerAddressRemoveHook(func(connID nbnet.ConnectionID, prefix netip.Prefix) error {
if _, err := r.refCounter.Decrement(prefix); err != nil {
return fmt.Errorf("remove route reference: %w", err)
}
r.updateState(stateManager)
return nil
})
return nberrors.FormatErrorOrNil(merr)
return beforeHook, afterHook, nil
}
func GetNextHop(ip netip.Addr) (Nexthop, error) {

View File

@@ -143,7 +143,7 @@ func TestAddVPNRoute(t *testing.T) {
wgInterface := createWGInterface(t, fmt.Sprintf("utun53%d", n), "100.65.75.2/24", 33100+n)
r := NewSysOps(wgInterface, nil)
err := r.SetupRouting(nil, nil)
_, _, err := r.SetupRouting(nil, nil)
require.NoError(t, err)
t.Cleanup(func() {
assert.NoError(t, r.CleanupRouting(nil))
@@ -341,7 +341,7 @@ func TestAddRouteToNonVPNIntf(t *testing.T) {
wgInterface := createWGInterface(t, fmt.Sprintf("utun54%d", n), "100.65.75.2/24", 33200+n)
r := NewSysOps(wgInterface, nil)
err := r.SetupRouting(nil, nil)
_, _, err := r.SetupRouting(nil, nil)
require.NoError(t, err)
t.Cleanup(func() {
assert.NoError(t, r.CleanupRouting(nil))
@@ -484,7 +484,7 @@ func setupTestEnv(t *testing.T) {
})
r := NewSysOps(wgInterface, nil)
err := r.SetupRouting(nil, nil)
_, _, err := r.SetupRouting(nil, nil)
require.NoError(t, err, "setupRouting should not return err")
t.Cleanup(func() {
assert.NoError(t, r.CleanupRouting(nil))

View File

@@ -10,13 +10,14 @@ import (
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/client/internal/statemanager"
nbnet "github.com/netbirdio/netbird/util/net"
)
func (r *SysOps) SetupRouting([]net.IP, *statemanager.Manager) error {
func (r *SysOps) SetupRouting([]net.IP, *statemanager.Manager) (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error) {
r.mu.Lock()
defer r.mu.Unlock()
r.prefixes = make(map[netip.Prefix]struct{})
return nil
return nil, nil, nil
}
func (r *SysOps) CleanupRouting(*statemanager.Manager) error {

View File

@@ -72,7 +72,7 @@ func getSetupRules() []ruleParams {
// Rule 2 (VPN Traffic Routing): Directs all remaining traffic to the 'NetbirdVPNTableID' custom routing table.
// This table is where a default route or other specific routes received from the management server are configured,
// enabling VPN connectivity.
func (r *SysOps) SetupRouting(initAddresses []net.IP, stateManager *statemanager.Manager) (err error) {
func (r *SysOps) SetupRouting(initAddresses []net.IP, stateManager *statemanager.Manager) (_ nbnet.AddHookFunc, _ nbnet.RemoveHookFunc, err error) {
if !nbnet.AdvancedRouting() {
log.Infof("Using legacy routing setup")
return r.setupRefCounter(initAddresses, stateManager)
@@ -89,7 +89,7 @@ func (r *SysOps) SetupRouting(initAddresses []net.IP, stateManager *statemanager
rules := getSetupRules()
for _, rule := range rules {
if err := addRule(rule); err != nil {
return fmt.Errorf("%s: %w", rule.description, err)
return nil, nil, fmt.Errorf("%s: %w", rule.description, err)
}
}
@@ -104,7 +104,7 @@ func (r *SysOps) SetupRouting(initAddresses []net.IP, stateManager *statemanager
}
originalSysctl = originalValues
return nil
return nil, nil, nil
}
// CleanupRouting performs a thorough cleanup of the routing configuration established by 'setupRouting'.

View File

@@ -252,7 +252,7 @@ func TestSysOps_validateRoute_InvalidPrefix(t *testing.T) {
IP: wgNetwork.Addr(),
Network: wgNetwork,
},
name: "nb0",
name: "wt0",
}
sysOps := &SysOps{

View File

@@ -18,9 +18,10 @@ import (
"golang.org/x/sys/unix"
"github.com/netbirdio/netbird/client/internal/statemanager"
nbnet "github.com/netbirdio/netbird/util/net"
)
func (r *SysOps) SetupRouting(initAddresses []net.IP, stateManager *statemanager.Manager) error {
func (r *SysOps) SetupRouting(initAddresses []net.IP, stateManager *statemanager.Manager) (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error) {
return r.setupRefCounter(initAddresses, stateManager)
}
@@ -107,7 +108,7 @@ func (r *SysOps) buildRouteMessage(action int, prefix netip.Prefix, nexthop Next
Type: action,
Flags: unix.RTF_UP,
Version: unix.RTM_VERSION,
Seq: r.getSeq(),
Seq: 1,
}
const numAddrs = unix.RTAX_NETMASK + 1

View File

@@ -19,6 +19,7 @@ import (
"golang.org/x/sys/windows"
"github.com/netbirdio/netbird/client/internal/statemanager"
nbnet "github.com/netbirdio/netbird/util/net"
)
const InfiniteLifetime = 0xffffffff
@@ -136,7 +137,7 @@ const (
RouteDeleted
)
func (r *SysOps) SetupRouting(initAddresses []net.IP, stateManager *statemanager.Manager) error {
func (r *SysOps) SetupRouting(initAddresses []net.IP, stateManager *statemanager.Manager) (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error) {
return r.setupRefCounter(initAddresses, stateManager)
}

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