Feature/port forwarding client ingress (#3242)

Client-side forward handling

Co-authored-by: Viktor Liu <17948409+lixmal@users.noreply.github.com>

---------

Co-authored-by: Viktor Liu <17948409+lixmal@users.noreply.github.com>
This commit is contained in:
Zoltan Papp 2025-01-29 16:04:33 +01:00 committed by GitHub
parent f6a71f4193
commit 26693e4ea8
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
36 changed files with 2771 additions and 857 deletions

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@ -0,0 +1,98 @@
package cmd
import (
"fmt"
"sort"
"github.com/spf13/cobra"
"google.golang.org/grpc/status"
"github.com/netbirdio/netbird/client/proto"
)
var forwardingRulesCmd = &cobra.Command{
Use: "forwarding",
Short: "List forwarding rules",
Long: `Commands to list forwarding rules.`,
}
var forwardingRulesListCmd = &cobra.Command{
Use: "list",
Aliases: []string{"ls"},
Short: "List forwarding rules",
Example: " netbird forwarding list",
Long: "Commands to list forwarding rules.",
RunE: listForwardingRules,
}
func listForwardingRules(cmd *cobra.Command, _ []string) error {
conn, err := getClient(cmd)
if err != nil {
return err
}
defer conn.Close()
client := proto.NewDaemonServiceClient(conn)
resp, err := client.ForwardingRules(cmd.Context(), &proto.EmptyRequest{})
if err != nil {
return fmt.Errorf("failed to list network: %v", status.Convert(err).Message())
}
if len(resp.GetRules()) == 0 {
cmd.Println("No forwarding rules available.")
return nil
}
printForwardingRules(cmd, resp.GetRules())
return nil
}
func printForwardingRules(cmd *cobra.Command, rules []*proto.ForwardingRule) {
cmd.Println("Available forwarding rules:")
// Sort rules by translated address
sort.Slice(rules, func(i, j int) bool {
if rules[i].GetTranslatedAddress() != rules[j].GetTranslatedAddress() {
return rules[i].GetTranslatedAddress() < rules[j].GetTranslatedAddress()
}
if rules[i].GetProtocol() != rules[j].GetProtocol() {
return rules[i].GetProtocol() < rules[j].GetProtocol()
}
return getFirstPort(rules[i].GetDestinationPort()) < getFirstPort(rules[j].GetDestinationPort())
})
var lastIP string
for _, rule := range rules {
dPort := portToString(rule.GetDestinationPort())
tPort := portToString(rule.GetTranslatedPort())
if lastIP != rule.GetTranslatedAddress() {
lastIP = rule.GetTranslatedAddress()
cmd.Printf("\nTranslated peer: %s\n", rule.GetTranslatedHostname())
}
cmd.Printf(" Local %s/%s to %s:%s\n", rule.GetProtocol(), dPort, rule.GetTranslatedAddress(), tPort)
}
}
func getFirstPort(portInfo *proto.PortInfo) int {
switch v := portInfo.PortSelection.(type) {
case *proto.PortInfo_Port:
return int(v.Port)
case *proto.PortInfo_Range_:
return int(v.Range.GetStart())
default:
return 0
}
}
func portToString(translatedPort *proto.PortInfo) string {
switch v := translatedPort.PortSelection.(type) {
case *proto.PortInfo_Port:
return fmt.Sprintf("%d", v.Port)
case *proto.PortInfo_Range_:
return fmt.Sprintf("%d-%d", v.Range.GetStart(), v.Range.GetEnd())
default:
return "No port specified"
}
}

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@ -145,6 +145,7 @@ func init() {
rootCmd.AddCommand(versionCmd)
rootCmd.AddCommand(sshCmd)
rootCmd.AddCommand(networksCMD)
rootCmd.AddCommand(forwardingRulesCmd)
rootCmd.AddCommand(debugCmd)
serviceCmd.AddCommand(runCmd, startCmd, stopCmd, restartCmd) // service control commands are subcommands of service
@ -153,6 +154,8 @@ func init() {
networksCMD.AddCommand(routesListCmd)
networksCMD.AddCommand(routesSelectCmd, routesDeselectCmd)
forwardingRulesCmd.AddCommand(forwardingRulesListCmd)
debugCmd.AddCommand(debugBundleCmd)
debugCmd.AddCommand(logCmd)
logCmd.AddCommand(logLevelCmd)

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@ -86,21 +86,22 @@ type nsServerGroupStateOutput struct {
}
type statusOutputOverview struct {
Peers peersStateOutput `json:"peers" yaml:"peers"`
CliVersion string `json:"cliVersion" yaml:"cliVersion"`
DaemonVersion string `json:"daemonVersion" yaml:"daemonVersion"`
ManagementState managementStateOutput `json:"management" yaml:"management"`
SignalState signalStateOutput `json:"signal" yaml:"signal"`
Relays relayStateOutput `json:"relays" yaml:"relays"`
IP string `json:"netbirdIp" yaml:"netbirdIp"`
PubKey string `json:"publicKey" yaml:"publicKey"`
KernelInterface bool `json:"usesKernelInterface" yaml:"usesKernelInterface"`
FQDN string `json:"fqdn" yaml:"fqdn"`
RosenpassEnabled bool `json:"quantumResistance" yaml:"quantumResistance"`
RosenpassPermissive bool `json:"quantumResistancePermissive" yaml:"quantumResistancePermissive"`
Routes []string `json:"routes" yaml:"routes"`
Networks []string `json:"networks" yaml:"networks"`
NSServerGroups []nsServerGroupStateOutput `json:"dnsServers" yaml:"dnsServers"`
Peers peersStateOutput `json:"peers" yaml:"peers"`
CliVersion string `json:"cliVersion" yaml:"cliVersion"`
DaemonVersion string `json:"daemonVersion" yaml:"daemonVersion"`
ManagementState managementStateOutput `json:"management" yaml:"management"`
SignalState signalStateOutput `json:"signal" yaml:"signal"`
Relays relayStateOutput `json:"relays" yaml:"relays"`
IP string `json:"netbirdIp" yaml:"netbirdIp"`
PubKey string `json:"publicKey" yaml:"publicKey"`
KernelInterface bool `json:"usesKernelInterface" yaml:"usesKernelInterface"`
FQDN string `json:"fqdn" yaml:"fqdn"`
RosenpassEnabled bool `json:"quantumResistance" yaml:"quantumResistance"`
RosenpassPermissive bool `json:"quantumResistancePermissive" yaml:"quantumResistancePermissive"`
Routes []string `json:"routes" yaml:"routes"`
Networks []string `json:"networks" yaml:"networks"`
NumberOfForwardingRules int `json:"forwardingRules" yaml:"forwardingRules"`
NSServerGroups []nsServerGroupStateOutput `json:"dnsServers" yaml:"dnsServers"`
}
var (
@ -272,21 +273,22 @@ func convertToStatusOutputOverview(resp *proto.StatusResponse) statusOutputOverv
peersOverview := mapPeers(resp.GetFullStatus().GetPeers())
overview := statusOutputOverview{
Peers: peersOverview,
CliVersion: version.NetbirdVersion(),
DaemonVersion: resp.GetDaemonVersion(),
ManagementState: managementOverview,
SignalState: signalOverview,
Relays: relayOverview,
IP: pbFullStatus.GetLocalPeerState().GetIP(),
PubKey: pbFullStatus.GetLocalPeerState().GetPubKey(),
KernelInterface: pbFullStatus.GetLocalPeerState().GetKernelInterface(),
FQDN: pbFullStatus.GetLocalPeerState().GetFqdn(),
RosenpassEnabled: pbFullStatus.GetLocalPeerState().GetRosenpassEnabled(),
RosenpassPermissive: pbFullStatus.GetLocalPeerState().GetRosenpassPermissive(),
Routes: pbFullStatus.GetLocalPeerState().GetNetworks(),
Networks: pbFullStatus.GetLocalPeerState().GetNetworks(),
NSServerGroups: mapNSGroups(pbFullStatus.GetDnsServers()),
Peers: peersOverview,
CliVersion: version.NetbirdVersion(),
DaemonVersion: resp.GetDaemonVersion(),
ManagementState: managementOverview,
SignalState: signalOverview,
Relays: relayOverview,
IP: pbFullStatus.GetLocalPeerState().GetIP(),
PubKey: pbFullStatus.GetLocalPeerState().GetPubKey(),
KernelInterface: pbFullStatus.GetLocalPeerState().GetKernelInterface(),
FQDN: pbFullStatus.GetLocalPeerState().GetFqdn(),
RosenpassEnabled: pbFullStatus.GetLocalPeerState().GetRosenpassEnabled(),
RosenpassPermissive: pbFullStatus.GetLocalPeerState().GetRosenpassPermissive(),
Routes: pbFullStatus.GetLocalPeerState().GetNetworks(),
Networks: pbFullStatus.GetLocalPeerState().GetNetworks(),
NumberOfForwardingRules: int(pbFullStatus.GetNumberOfForwardingRules()),
NSServerGroups: mapNSGroups(pbFullStatus.GetDnsServers()),
}
if anonymizeFlag {
@ -561,6 +563,7 @@ func parseGeneralSummary(overview statusOutputOverview, showURL bool, showRelays
"Quantum resistance: %s\n"+
"Routes: %s\n"+
"Networks: %s\n"+
"Forwarding rules: %d\n"+
"Peers count: %s\n",
fmt.Sprintf("%s/%s%s", goos, goarch, goarm),
overview.DaemonVersion,
@ -575,6 +578,7 @@ func parseGeneralSummary(overview statusOutputOverview, showURL bool, showRelays
rosenpassEnabledStatus,
networks,
networks,
overview.NumberOfForwardingRules,
peersCountString,
)
return summary

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@ -372,6 +372,7 @@ func TestParsingToJSON(t *testing.T) {
"networks": [
"10.10.0.0/24"
],
"forwardingRules": 0,
"dnsServers": [
{
"servers": [
@ -483,6 +484,7 @@ routes:
- 10.10.0.0/24
networks:
- 10.10.0.0/24
forwardingRules: 0
dnsServers:
- servers:
- 8.8.8.8:53
@ -564,6 +566,7 @@ Interface type: Kernel
Quantum resistance: false
Routes: 10.10.0.0/24
Networks: 10.10.0.0/24
Forwarding rules: 0
Peers count: 2/2 Connected
`, lastConnectionUpdate1, lastHandshake1, lastConnectionUpdate2, lastHandshake2, runtime.GOOS, runtime.GOARCH, overview.CliVersion)
@ -586,6 +589,7 @@ Interface type: Kernel
Quantum resistance: false
Routes: 10.10.0.0/24
Networks: 10.10.0.0/24
Forwarding rules: 0
Peers count: 2/2 Connected
`

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@ -30,10 +30,8 @@ type entry struct {
}
type aclManager struct {
iptablesClient *iptables.IPTables
wgIface iFaceMapper
routingFwChainName string
iptablesClient *iptables.IPTables
wgIface iFaceMapper
entries aclEntries
optionalEntries map[string][]entry
ipsetStore *ipsetStore
@ -41,12 +39,10 @@ type aclManager struct {
stateManager *statemanager.Manager
}
func newAclManager(iptablesClient *iptables.IPTables, wgIface iFaceMapper, routingFwChainName string) (*aclManager, error) {
func newAclManager(iptablesClient *iptables.IPTables, wgIface iFaceMapper) (*aclManager, error) {
m := &aclManager{
iptablesClient: iptablesClient,
wgIface: wgIface,
routingFwChainName: routingFwChainName,
iptablesClient: iptablesClient,
wgIface: wgIface,
entries: make(map[string][][]string),
optionalEntries: make(map[string][]entry),
ipsetStore: newIpsetStore(),
@ -314,9 +310,12 @@ func (m *aclManager) seedInitialEntries() {
m.appendToEntries("INPUT", []string{"-i", m.wgIface.Name(), "-j", chainNameInputRules})
m.appendToEntries("INPUT", append([]string{"-i", m.wgIface.Name()}, established...))
// Inbound is handled by our ACLs, the rest is dropped.
// For outbound we respect the FORWARD policy. However, we need to allow established/related traffic for inbound rules.
m.appendToEntries("FORWARD", []string{"-i", m.wgIface.Name(), "-j", "DROP"})
m.appendToEntries("FORWARD", []string{"-i", m.wgIface.Name(), "-j", m.routingFwChainName})
m.appendToEntries("FORWARD", append([]string{"-o", m.wgIface.Name()}, established...))
m.appendToEntries("FORWARD", []string{"-o", m.wgIface.Name(), "-j", chainRTFWDOUT})
m.appendToEntries("FORWARD", []string{"-i", m.wgIface.Name(), "-j", chainRTFWDIN})
}
func (m *aclManager) seedInitialOptionalEntries() {

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@ -52,7 +52,7 @@ func Create(wgIface iFaceMapper) (*Manager, error) {
return nil, fmt.Errorf("create router: %w", err)
}
m.aclMgr, err = newAclManager(iptablesClient, wgIface, chainRTFWD)
m.aclMgr, err = newAclManager(iptablesClient, wgIface)
if err != nil {
return nil, fmt.Errorf("create acl manager: %w", err)
}
@ -213,6 +213,22 @@ func (m *Manager) AllowNetbird() 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) {
m.mutex.Lock()
defer m.mutex.Unlock()
return m.router.AddDNATRule(rule)
}
// DeleteDNATRule deletes a DNAT rule
func (m *Manager) DeleteDNATRule(rule firewall.Rule) error {
m.mutex.Lock()
defer m.mutex.Unlock()
return m.router.DeleteDNATRule(rule)
}
func getConntrackEstablished() []string {
return []string{"-m", "conntrack", "--ctstate", "RELATED,ESTABLISHED", "-j", "ACCEPT"}
}

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@ -23,22 +23,36 @@ import (
// constants needed to manage and create iptable rules
const (
tableFilter = "filter"
tableNat = "nat"
tableMangle = "mangle"
tableFilter = "filter"
tableNat = "nat"
tableMangle = "mangle"
chainPOSTROUTING = "POSTROUTING"
chainPREROUTING = "PREROUTING"
chainRTNAT = "NETBIRD-RT-NAT"
chainRTFWD = "NETBIRD-RT-FWD"
chainRTFWDIN = "NETBIRD-RT-FWD-IN"
chainRTFWDOUT = "NETBIRD-RT-FWD-OUT"
chainRTPRE = "NETBIRD-RT-PRE"
chainRTRDR = "NETBIRD-RT-RDR"
routingFinalForwardJump = "ACCEPT"
routingFinalNatJump = "MASQUERADE"
jumpPre = "jump-pre"
jumpNat = "jump-nat"
matchSet = "--match-set"
jumpManglePre = "jump-mangle-pre"
jumpNatPre = "jump-nat-pre"
jumpNatPost = "jump-nat-post"
matchSet = "--match-set"
dnatSuffix = "_dnat"
snatSuffix = "_snat"
fwdSuffix = "_fwd"
)
type ruleInfo struct {
chain string
table string
rule []string
}
type routeFilteringRuleParams struct {
Sources []netip.Prefix
Destination netip.Prefix
@ -135,7 +149,7 @@ func (r *router) AddRouteFiltering(
}
rule := genRouteFilteringRuleSpec(params)
if err := r.iptablesClient.Append(tableFilter, chainRTFWD, rule...); err != nil {
if err := r.iptablesClient.Append(tableFilter, chainRTFWDIN, rule...); err != nil {
return nil, fmt.Errorf("add route rule: %v", err)
}
@ -147,12 +161,12 @@ func (r *router) AddRouteFiltering(
}
func (r *router) DeleteRouteRule(rule firewall.Rule) error {
ruleKey := rule.GetRuleID()
ruleKey := rule.ID()
if rule, exists := r.rules[ruleKey]; exists {
setName := r.findSetNameInRule(rule)
if err := r.iptablesClient.Delete(tableFilter, chainRTFWD, rule...); err != nil {
if err := r.iptablesClient.Delete(tableFilter, chainRTFWDIN, rule...); err != nil {
return fmt.Errorf("delete route rule: %v", err)
}
delete(r.rules, ruleKey)
@ -255,7 +269,7 @@ func (r *router) addLegacyRouteRule(pair firewall.RouterPair) error {
}
rule := []string{"-s", pair.Source.String(), "-d", pair.Destination.String(), "-j", routingFinalForwardJump}
if err := r.iptablesClient.Append(tableFilter, chainRTFWD, rule...); err != nil {
if err := r.iptablesClient.Append(tableFilter, chainRTFWDIN, rule...); err != nil {
return fmt.Errorf("add legacy forwarding rule %s -> %s: %v", pair.Source, pair.Destination, err)
}
@ -268,7 +282,7 @@ func (r *router) removeLegacyRouteRule(pair firewall.RouterPair) error {
ruleKey := firewall.GenKey(firewall.ForwardingFormat, pair)
if rule, exists := r.rules[ruleKey]; exists {
if err := r.iptablesClient.DeleteIfExists(tableFilter, chainRTFWD, rule...); err != nil {
if err := r.iptablesClient.DeleteIfExists(tableFilter, chainRTFWDIN, rule...); err != nil {
return fmt.Errorf("remove legacy forwarding rule %s -> %s: %v", pair.Source, pair.Destination, err)
}
delete(r.rules, ruleKey)
@ -296,7 +310,7 @@ func (r *router) RemoveAllLegacyRouteRules() error {
if !strings.HasPrefix(k, firewall.ForwardingFormatPrefix) {
continue
}
if err := r.iptablesClient.DeleteIfExists(tableFilter, chainRTFWD, rule...); err != nil {
if err := r.iptablesClient.DeleteIfExists(tableFilter, chainRTFWDIN, rule...); err != nil {
merr = multierror.Append(merr, fmt.Errorf("remove legacy forwarding rule: %v", err))
} else {
delete(r.rules, k)
@ -334,9 +348,11 @@ func (r *router) cleanUpDefaultForwardRules() error {
chain string
table string
}{
{chainRTFWD, tableFilter},
{chainRTNAT, tableNat},
{chainRTFWDIN, tableFilter},
{chainRTFWDOUT, tableFilter},
{chainRTPRE, tableMangle},
{chainRTNAT, tableNat},
{chainRTRDR, tableNat},
} {
ok, err := r.iptablesClient.ChainExists(chainInfo.table, chainInfo.chain)
if err != nil {
@ -356,16 +372,22 @@ func (r *router) createContainers() error {
chain string
table string
}{
{chainRTFWD, tableFilter},
{chainRTFWDIN, tableFilter},
{chainRTFWDOUT, tableFilter},
{chainRTPRE, tableMangle},
{chainRTNAT, tableNat},
{chainRTRDR, tableNat},
} {
if err := r.createAndSetupChain(chainInfo.chain); err != nil {
if err := r.iptablesClient.NewChain(chainInfo.table, chainInfo.chain); err != nil {
return fmt.Errorf("create chain %s in table %s: %w", chainInfo.chain, chainInfo.table, err)
}
}
if err := r.insertEstablishedRule(chainRTFWD); err != nil {
if err := r.insertEstablishedRule(chainRTFWDIN); err != nil {
return fmt.Errorf("insert established rule: %w", err)
}
if err := r.insertEstablishedRule(chainRTFWDOUT); err != nil {
return fmt.Errorf("insert established rule: %w", err)
}
@ -406,27 +428,6 @@ func (r *router) addPostroutingRules() error {
return nil
}
func (r *router) createAndSetupChain(chain string) error {
table := r.getTableForChain(chain)
if err := r.iptablesClient.NewChain(table, chain); err != nil {
return fmt.Errorf("failed creating chain %s, error: %v", chain, err)
}
return nil
}
func (r *router) getTableForChain(chain string) string {
switch chain {
case chainRTNAT:
return tableNat
case chainRTPRE:
return tableMangle
default:
return tableFilter
}
}
func (r *router) insertEstablishedRule(chain string) error {
establishedRule := getConntrackEstablished()
@ -445,28 +446,43 @@ func (r *router) addJumpRules() error {
// Jump to NAT chain
natRule := []string{"-j", chainRTNAT}
if err := r.iptablesClient.Insert(tableNat, chainPOSTROUTING, 1, natRule...); err != nil {
return fmt.Errorf("add nat jump rule: %v", err)
return fmt.Errorf("add nat postrouting jump rule: %v", err)
}
r.rules[jumpNat] = natRule
r.rules[jumpNatPost] = natRule
// Jump to prerouting chain
// Jump to mangle prerouting chain
preRule := []string{"-j", chainRTPRE}
if err := r.iptablesClient.Insert(tableMangle, chainPREROUTING, 1, preRule...); err != nil {
return fmt.Errorf("add prerouting jump rule: %v", err)
return fmt.Errorf("add mangle prerouting jump rule: %v", err)
}
r.rules[jumpPre] = preRule
r.rules[jumpManglePre] = preRule
// Jump to nat prerouting chain
rdrRule := []string{"-j", chainRTRDR}
if err := r.iptablesClient.Insert(tableNat, chainPREROUTING, 1, rdrRule...); err != nil {
return fmt.Errorf("add nat prerouting jump rule: %v", err)
}
r.rules[jumpNatPre] = rdrRule
return nil
}
func (r *router) cleanJumpRules() error {
for _, ruleKey := range []string{jumpNat, jumpPre} {
for _, ruleKey := range []string{jumpNatPost, jumpManglePre, jumpNatPre} {
if rule, exists := r.rules[ruleKey]; exists {
table := tableNat
chain := chainPOSTROUTING
if ruleKey == jumpPre {
var table, chain string
switch ruleKey {
case jumpNatPost:
table = tableNat
chain = chainPOSTROUTING
case jumpManglePre:
table = tableMangle
chain = chainPREROUTING
case jumpNatPre:
table = tableNat
chain = chainPREROUTING
default:
return fmt.Errorf("unknown jump rule: %s", ruleKey)
}
if err := r.iptablesClient.DeleteIfExists(table, chain, rule...); err != nil {
@ -511,6 +527,8 @@ func (r *router) addNatRule(pair firewall.RouterPair) error {
}
r.rules[ruleKey] = rule
r.updateState()
return nil
}
@ -526,6 +544,7 @@ func (r *router) removeNatRule(pair firewall.RouterPair) error {
log.Debugf("marking rule %s not found", ruleKey)
}
r.updateState()
return nil
}
@ -555,6 +574,129 @@ func (r *router) updateState() {
}
}
func (r *router) AddDNATRule(rule firewall.ForwardRule) (firewall.Rule, error) {
ruleKey := rule.ID()
if _, exists := r.rules[ruleKey+dnatSuffix]; exists {
return rule, nil
}
toDestination := rule.TranslatedAddress.String()
switch {
case len(rule.TranslatedPort.Values) == 0:
// no translated port, use original port
case len(rule.TranslatedPort.Values) == 1:
toDestination += fmt.Sprintf(":%d", rule.TranslatedPort.Values[0])
case rule.TranslatedPort.IsRange && len(rule.TranslatedPort.Values) == 2:
// need the "/originalport" suffix to avoid dnat port randomization
toDestination += fmt.Sprintf(":%d-%d/%d", rule.TranslatedPort.Values[0], rule.TranslatedPort.Values[1], rule.DestinationPort.Values[0])
default:
return nil, fmt.Errorf("invalid translated port: %v", rule.TranslatedPort)
}
proto := strings.ToLower(string(rule.Protocol))
rules := make(map[string]ruleInfo, 3)
// DNAT rule
dnatRule := []string{
"!", "-i", r.wgIface.Name(),
"-p", proto,
"-j", "DNAT",
"--to-destination", toDestination,
}
dnatRule = append(dnatRule, applyPort("--dport", &rule.DestinationPort)...)
rules[ruleKey+dnatSuffix] = ruleInfo{
table: tableNat,
chain: chainRTRDR,
rule: dnatRule,
}
// SNAT rule
snatRule := []string{
"-o", r.wgIface.Name(),
"-p", proto,
"-d", rule.TranslatedAddress.String(),
"-j", "MASQUERADE",
}
snatRule = append(snatRule, applyPort("--dport", &rule.TranslatedPort)...)
rules[ruleKey+snatSuffix] = ruleInfo{
table: tableNat,
chain: chainRTNAT,
rule: snatRule,
}
// Forward filtering rule, if fwd policy is DROP
forwardRule := []string{
"-o", r.wgIface.Name(),
"-p", proto,
"-d", rule.TranslatedAddress.String(),
"-j", "ACCEPT",
}
forwardRule = append(forwardRule, applyPort("--dport", &rule.TranslatedPort)...)
rules[ruleKey+fwdSuffix] = ruleInfo{
table: tableFilter,
chain: chainRTFWDOUT,
rule: forwardRule,
}
for key, ruleInfo := range rules {
if err := r.iptablesClient.Append(ruleInfo.table, ruleInfo.chain, ruleInfo.rule...); err != nil {
if rollbackErr := r.rollbackRules(rules); rollbackErr != nil {
log.Errorf("rollback failed: %v", rollbackErr)
}
return nil, fmt.Errorf("add rule %s: %w", key, err)
}
r.rules[key] = ruleInfo.rule
}
r.updateState()
return rule, nil
}
func (r *router) rollbackRules(rules map[string]ruleInfo) error {
var merr *multierror.Error
for key, ruleInfo := range rules {
if err := r.iptablesClient.DeleteIfExists(ruleInfo.table, ruleInfo.chain, ruleInfo.rule...); err != nil {
merr = multierror.Append(merr, fmt.Errorf("rollback rule %s: %w", key, err))
// On rollback error, add to rules map for next cleanup
r.rules[key] = ruleInfo.rule
}
}
if merr != nil {
r.updateState()
}
return nberrors.FormatErrorOrNil(merr)
}
func (r *router) DeleteDNATRule(rule firewall.Rule) error {
ruleKey := rule.ID()
var merr *multierror.Error
if dnatRule, exists := r.rules[ruleKey+dnatSuffix]; exists {
if err := r.iptablesClient.Delete(tableNat, chainRTRDR, dnatRule...); err != nil {
merr = multierror.Append(merr, fmt.Errorf("delete DNAT rule: %w", err))
}
delete(r.rules, ruleKey+dnatSuffix)
}
if snatRule, exists := r.rules[ruleKey+snatSuffix]; exists {
if err := r.iptablesClient.Delete(tableNat, chainRTNAT, snatRule...); err != nil {
merr = multierror.Append(merr, fmt.Errorf("delete SNAT rule: %w", err))
}
delete(r.rules, ruleKey+snatSuffix)
}
if fwdRule, exists := r.rules[ruleKey+fwdSuffix]; exists {
if err := r.iptablesClient.Delete(tableFilter, chainRTFWDIN, fwdRule...); err != nil {
merr = multierror.Append(merr, fmt.Errorf("delete forward rule: %w", err))
}
delete(r.rules, ruleKey+fwdSuffix)
}
r.updateState()
return nberrors.FormatErrorOrNil(merr)
}
func genRouteFilteringRuleSpec(params routeFilteringRuleParams) []string {
var rule []string

View File

@ -39,12 +39,14 @@ func TestIptablesManager_RestoreOrCreateContainers(t *testing.T) {
}()
// Now 5 rules:
// 1. established rule in forward chain
// 2. jump rule to NAT chain
// 3. jump rule to PRE chain
// 4. static outbound masquerade rule
// 5. static return masquerade rule
require.Len(t, manager.rules, 5, "should have created rules map")
// 1. established rule forward in
// 2. estbalished rule forward out
// 3. jump rule to POST nat chain
// 4. jump rule to PRE mangle chain
// 5. jump rule to PRE nat chain
// 6. static outbound masquerade rule
// 7. static return masquerade rule
require.Len(t, manager.rules, 7, "should have created rules map")
exists, err := manager.iptablesClient.Exists(tableNat, chainPOSTROUTING, "-j", chainRTNAT)
require.NoError(t, err, "should be able to query the iptables %s table and %s chain", tableNat, chainPOSTROUTING)
@ -332,14 +334,14 @@ func TestRouter_AddRouteFiltering(t *testing.T) {
require.NoError(t, err, "AddRouteFiltering failed")
// Check if the rule is in the internal map
rule, ok := r.rules[ruleKey.GetRuleID()]
rule, ok := r.rules[ruleKey.ID()]
assert.True(t, ok, "Rule not found in internal map")
// Log the internal rule
t.Logf("Internal rule: %v", rule)
// Check if the rule exists in iptables
exists, err := iptablesClient.Exists(tableFilter, chainRTFWD, rule...)
exists, err := iptablesClient.Exists(tableFilter, chainRTFWDIN, rule...)
assert.NoError(t, err, "Failed to check rule existence")
assert.True(t, exists, "Rule not found in iptables")

View File

@ -12,6 +12,6 @@ type Rule struct {
}
// GetRuleID returns the rule id
func (r *Rule) GetRuleID() string {
func (r *Rule) ID() string {
return r.ruleID
}

View File

@ -26,8 +26,8 @@ const (
// Each firewall type for different OS can use different type
// of the properties to hold data of the created rule
type Rule interface {
// GetRuleID returns the rule id
GetRuleID() string
// ID returns the rule id
ID() string
}
// RuleDirection is the traffic direction which a rule is applied
@ -99,6 +99,12 @@ type Manager interface {
// Flush the changes to firewall controller
Flush() error
// AddDNATRule adds a DNAT rule
AddDNATRule(ForwardRule) (Rule, error)
// DeleteDNATRule deletes a DNAT rule
DeleteDNATRule(Rule) error
}
func GenKey(format string, pair RouterPair) string {

View File

@ -0,0 +1,27 @@
package manager
import (
"fmt"
"net/netip"
)
// ForwardRule todo figure out better place to this to avoid circular imports
type ForwardRule struct {
Protocol Protocol
DestinationPort Port
TranslatedAddress netip.Addr
TranslatedPort Port
}
func (r ForwardRule) ID() string {
id := fmt.Sprintf("%s;%s;%s;%s",
r.Protocol,
r.DestinationPort.String(),
r.TranslatedAddress.String(),
r.TranslatedPort.String())
return id
}
func (r ForwardRule) String() string {
return fmt.Sprintf("protocol: %s, destinationPort: %s, translatedAddress: %s, translatedPort: %s", r.Protocol, r.DestinationPort.String(), r.TranslatedAddress.String(), r.TranslatedPort.String())
}

View File

@ -1,30 +1,12 @@
package manager
import (
"fmt"
"strconv"
)
// Protocol is the protocol of the port
type Protocol string
const (
// ProtocolTCP is the TCP protocol
ProtocolTCP Protocol = "tcp"
// ProtocolUDP is the UDP protocol
ProtocolUDP Protocol = "udp"
// ProtocolICMP is the ICMP protocol
ProtocolICMP Protocol = "icmp"
// ProtocolALL cover all supported protocols
ProtocolALL Protocol = "all"
// ProtocolUnknown unknown protocol
ProtocolUnknown Protocol = "unknown"
)
// Port of the address for firewall rule
// todo Move Protocol and Port and RouterPair to the Firwall package or a separate package
type Port struct {
// IsRange is true Values contains two values, the first is the start port, the second is the end port
IsRange bool
@ -33,6 +15,25 @@ type Port struct {
Values []uint16
}
func NewPort(ports ...int) (*Port, error) {
if len(ports) == 0 {
return nil, fmt.Errorf("no port provided")
}
ports16 := make([]uint16, len(ports))
for i, port := range ports {
if port < 1 || port > 65535 {
return nil, fmt.Errorf("invalid port number: %d (must be between 1-65535)", port)
}
ports16[i] = uint16(port)
}
return &Port{
IsRange: len(ports) > 1,
Values: ports16,
}, nil
}
// String interface implementation
func (p *Port) String() string {
var ports string

View File

@ -0,0 +1,19 @@
package manager
// Protocol is the protocol of the port
// todo Move Protocol and Port and RouterPair to the Firwall package or a separate package
type Protocol string
const (
// ProtocolTCP is the TCP protocol
ProtocolTCP Protocol = "tcp"
// ProtocolUDP is the UDP protocol
ProtocolUDP Protocol = "udp"
// ProtocolICMP is the ICMP protocol
ProtocolICMP Protocol = "icmp"
// ProtocolALL cover all supported protocols
ProtocolALL Protocol = "all"
)

View File

@ -127,7 +127,7 @@ func (m *AclManager) DeletePeerRule(rule firewall.Rule) error {
log.Errorf("failed to delete mangle rule: %v", err)
}
}
delete(m.rules, r.GetRuleID())
delete(m.rules, r.ID())
return m.rConn.Flush()
}
@ -141,7 +141,7 @@ func (m *AclManager) DeletePeerRule(rule firewall.Rule) error {
log.Errorf("failed to delete mangle rule: %v", err)
}
}
delete(m.rules, r.GetRuleID())
delete(m.rules, r.ID())
return m.rConn.Flush()
}
@ -176,7 +176,7 @@ func (m *AclManager) DeletePeerRule(rule firewall.Rule) error {
return err
}
delete(m.rules, r.GetRuleID())
delete(m.rules, r.ID())
m.ipsetStore.DeleteReferenceFromIpSet(r.nftSet.Name)
if m.ipsetStore.HasReferenceToSet(r.nftSet.Name) {

View File

@ -329,6 +329,22 @@ func (m *Manager) Flush() error {
return m.aclManager.Flush()
}
// AddDNATRule adds a DNAT rule
func (m *Manager) AddDNATRule(rule firewall.ForwardRule) (firewall.Rule, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
return m.router.AddDNATRule(rule)
}
// DeleteDNATRule deletes a DNAT rule
func (m *Manager) DeleteDNATRule(rule firewall.Rule) error {
m.mutex.Lock()
defer m.mutex.Unlock()
return m.router.DeleteDNATRule(rule)
}
func (m *Manager) createWorkTable() (*nftables.Table, error) {
tables, err := m.rConn.ListTablesOfFamily(nftables.TableFamilyIPv4)
if err != nil {

View File

@ -14,6 +14,7 @@ import (
"github.com/google/nftables"
"github.com/google/nftables/binaryutil"
"github.com/google/nftables/expr"
"github.com/google/nftables/xt"
"github.com/hashicorp/go-multierror"
log "github.com/sirupsen/logrus"
@ -25,12 +26,18 @@ import (
)
const (
chainNameRoutingFw = "netbird-rt-fwd"
chainNameRoutingNat = "netbird-rt-postrouting"
chainNameForward = "FORWARD"
tableNat = "nat"
chainNameNatPrerouting = "PREROUTING"
chainNameRoutingFw = "netbird-rt-fwd"
chainNameRoutingNat = "netbird-rt-postrouting"
chainNameRoutingRdr = "netbird-rt-redirect"
chainNameForward = "FORWARD"
userDataAcceptForwardRuleIif = "frwacceptiif"
userDataAcceptForwardRuleOif = "frwacceptoif"
dnatSuffix = "_dnat"
snatSuffix = "_snat"
)
const refreshRulesMapError = "refresh rules map: %w"
@ -98,7 +105,52 @@ func (r *router) Reset() error {
// clear without deleting the ipsets, the nf table will be deleted by the caller
r.ipsetCounter.Clear()
return r.removeAcceptForwardRules()
var merr *multierror.Error
if err := r.removeAcceptForwardRules(); err != nil {
merr = multierror.Append(merr, fmt.Errorf("remove accept forward rules: %w", err))
}
if err := r.removeNatPreroutingRules(); err != nil {
merr = multierror.Append(merr, fmt.Errorf("remove filter prerouting rules: %w", err))
}
return nberrors.FormatErrorOrNil(merr)
}
func (r *router) removeNatPreroutingRules() error {
table := &nftables.Table{
Name: tableNat,
Family: nftables.TableFamilyIPv4,
}
chain := &nftables.Chain{
Name: chainNameNatPrerouting,
Table: table,
Hooknum: nftables.ChainHookPrerouting,
Priority: nftables.ChainPriorityNATDest,
Type: nftables.ChainTypeNAT,
}
rules, err := r.conn.GetRules(table, chain)
if err != nil {
return fmt.Errorf("get rules from nat table: %w", err)
}
var merr *multierror.Error
// Delete rules that have our UserData suffix
for _, rule := range rules {
if len(rule.UserData) == 0 || !strings.HasSuffix(string(rule.UserData), dnatSuffix) {
continue
}
if err := r.conn.DelRule(rule); err != nil {
merr = multierror.Append(merr, fmt.Errorf("delete rule %s: %w", rule.UserData, err))
}
}
if err := r.conn.Flush(); err != nil {
merr = multierror.Append(merr, fmt.Errorf(flushError, err))
}
return nberrors.FormatErrorOrNil(merr)
}
func (r *router) loadFilterTable() (*nftables.Table, error) {
@ -133,14 +185,22 @@ func (r *router) createContainers() error {
Type: nftables.ChainTypeNAT,
})
r.chains[chainNameRoutingRdr] = r.conn.AddChain(&nftables.Chain{
Name: chainNameRoutingRdr,
Table: r.workTable,
Hooknum: nftables.ChainHookPrerouting,
Priority: nftables.ChainPriorityNATDest,
Type: nftables.ChainTypeNAT,
})
// Chain is created by acl manager
// TODO: move creation to a common place
r.chains[chainNamePrerouting] = &nftables.Chain{
Name: chainNamePrerouting,
Table: r.workTable,
Type: nftables.ChainTypeFilter,
Hooknum: nftables.ChainHookPrerouting,
Priority: nftables.ChainPriorityMangle,
Type: nftables.ChainTypeFilter,
}
// Add the single NAT rule that matches on mark
@ -275,7 +335,7 @@ func (r *router) DeleteRouteRule(rule firewall.Rule) error {
return fmt.Errorf(refreshRulesMapError, err)
}
ruleKey := rule.GetRuleID()
ruleKey := rule.ID()
nftRule, exists := r.rules[ruleKey]
if !exists {
log.Debugf("route rule %s not found", ruleKey)
@ -890,6 +950,261 @@ func (r *router) refreshRulesMap() error {
return nil
}
func (r *router) AddDNATRule(rule firewall.ForwardRule) (firewall.Rule, error) {
ruleKey := rule.ID()
if _, exists := r.rules[ruleKey+dnatSuffix]; exists {
return rule, nil
}
protoNum, err := protoToInt(rule.Protocol)
if err != nil {
return nil, fmt.Errorf("convert protocol to number: %w", err)
}
if err := r.addDnatRedirect(rule, protoNum, ruleKey); err != nil {
return nil, err
}
r.addDnatMasq(rule, protoNum, ruleKey)
// Unlike iptables, there's no point in adding "out" rules in the forward chain here as our policy is ACCEPT.
// To overcome DROP policies in other chains, we'd have to add rules to the chains there.
// We also cannot just add "oif <iface> accept" there and filter in our own table as we don't know what is supposed to be allowed.
// TODO: find chains with drop policies and add rules there
if err := r.conn.Flush(); err != nil {
return nil, fmt.Errorf("flush rules: %w", err)
}
return &rule, nil
}
func (r *router) addDnatRedirect(rule firewall.ForwardRule, protoNum uint8, ruleKey string) error {
dnatExprs := []expr.Any{
&expr.Meta{Key: expr.MetaKeyIIFNAME, Register: 1},
&expr.Cmp{
Op: expr.CmpOpNeq,
Register: 1,
Data: ifname(r.wgIface.Name()),
},
&expr.Meta{Key: expr.MetaKeyL4PROTO, Register: 1},
&expr.Cmp{
Op: expr.CmpOpEq,
Register: 1,
Data: []byte{protoNum},
},
&expr.Payload{
DestRegister: 1,
Base: expr.PayloadBaseTransportHeader,
Offset: 2,
Len: 2,
},
}
dnatExprs = append(dnatExprs, applyPort(&rule.DestinationPort, false)...)
// shifted translated port is not supported in nftables, so we hand this over to xtables
if rule.TranslatedPort.IsRange && len(rule.TranslatedPort.Values) == 2 {
if rule.TranslatedPort.Values[0] != rule.DestinationPort.Values[0] ||
rule.TranslatedPort.Values[1] != rule.DestinationPort.Values[1] {
return r.addXTablesRedirect(dnatExprs, ruleKey, rule)
}
}
additionalExprs, regProtoMin, regProtoMax, err := r.handleTranslatedPort(rule)
if err != nil {
return err
}
dnatExprs = append(dnatExprs, additionalExprs...)
dnatExprs = append(dnatExprs,
&expr.NAT{
Type: expr.NATTypeDestNAT,
Family: uint32(nftables.TableFamilyIPv4),
RegAddrMin: 1,
RegProtoMin: regProtoMin,
RegProtoMax: regProtoMax,
},
)
dnatRule := &nftables.Rule{
Table: r.workTable,
Chain: r.chains[chainNameRoutingRdr],
Exprs: dnatExprs,
UserData: []byte(ruleKey + dnatSuffix),
}
r.conn.AddRule(dnatRule)
r.rules[ruleKey+dnatSuffix] = dnatRule
return nil
}
func (r *router) handleTranslatedPort(rule firewall.ForwardRule) ([]expr.Any, uint32, uint32, error) {
switch {
case rule.TranslatedPort.IsRange && len(rule.TranslatedPort.Values) == 2:
return r.handlePortRange(rule)
case len(rule.TranslatedPort.Values) == 0:
return r.handleAddressOnly(rule)
case len(rule.TranslatedPort.Values) == 1:
return r.handleSinglePort(rule)
default:
return nil, 0, 0, fmt.Errorf("invalid translated port: %v", rule.TranslatedPort)
}
}
func (r *router) handlePortRange(rule firewall.ForwardRule) ([]expr.Any, uint32, uint32, error) {
exprs := []expr.Any{
&expr.Immediate{
Register: 1,
Data: rule.TranslatedAddress.AsSlice(),
},
&expr.Immediate{
Register: 2,
Data: binaryutil.BigEndian.PutUint16(rule.TranslatedPort.Values[0]),
},
&expr.Immediate{
Register: 3,
Data: binaryutil.BigEndian.PutUint16(rule.TranslatedPort.Values[1]),
},
}
return exprs, 2, 3, nil
}
func (r *router) handleAddressOnly(rule firewall.ForwardRule) ([]expr.Any, uint32, uint32, error) {
exprs := []expr.Any{
&expr.Immediate{
Register: 1,
Data: rule.TranslatedAddress.AsSlice(),
},
}
return exprs, 0, 0, nil
}
func (r *router) handleSinglePort(rule firewall.ForwardRule) ([]expr.Any, uint32, uint32, error) {
exprs := []expr.Any{
&expr.Immediate{
Register: 1,
Data: rule.TranslatedAddress.AsSlice(),
},
&expr.Immediate{
Register: 2,
Data: binaryutil.BigEndian.PutUint16(rule.TranslatedPort.Values[0]),
},
}
return exprs, 2, 0, nil
}
func (r *router) addXTablesRedirect(dnatExprs []expr.Any, ruleKey string, rule firewall.ForwardRule) error {
dnatExprs = append(dnatExprs,
&expr.Counter{},
&expr.Target{
Name: "DNAT",
Rev: 2,
Info: &xt.NatRange2{
NatRange: xt.NatRange{
Flags: uint(xt.NatRangeMapIPs | xt.NatRangeProtoSpecified | xt.NatRangeProtoOffset),
MinIP: rule.TranslatedAddress.AsSlice(),
MaxIP: rule.TranslatedAddress.AsSlice(),
MinPort: rule.TranslatedPort.Values[0],
MaxPort: rule.TranslatedPort.Values[1],
},
BasePort: rule.DestinationPort.Values[0],
},
},
)
dnatRule := &nftables.Rule{
Table: &nftables.Table{
Name: tableNat,
Family: nftables.TableFamilyIPv4,
},
Chain: &nftables.Chain{
Name: chainNameNatPrerouting,
Table: r.filterTable,
Type: nftables.ChainTypeNAT,
Hooknum: nftables.ChainHookPrerouting,
Priority: nftables.ChainPriorityNATDest,
},
Exprs: dnatExprs,
UserData: []byte(ruleKey + dnatSuffix),
}
r.conn.AddRule(dnatRule)
r.rules[ruleKey+dnatSuffix] = dnatRule
return nil
}
func (r *router) addDnatMasq(rule firewall.ForwardRule, protoNum uint8, ruleKey string) {
masqExprs := []expr.Any{
&expr.Meta{Key: expr.MetaKeyOIFNAME, Register: 1},
&expr.Cmp{
Op: expr.CmpOpEq,
Register: 1,
Data: ifname(r.wgIface.Name()),
},
&expr.Meta{Key: expr.MetaKeyL4PROTO, Register: 1},
&expr.Cmp{
Op: expr.CmpOpEq,
Register: 1,
Data: []byte{protoNum},
},
&expr.Payload{
DestRegister: 1,
Base: expr.PayloadBaseNetworkHeader,
Offset: 16,
Len: 4,
},
&expr.Cmp{
Op: expr.CmpOpEq,
Register: 1,
Data: rule.TranslatedAddress.AsSlice(),
},
}
masqExprs = append(masqExprs, applyPort(&rule.TranslatedPort, false)...)
masqExprs = append(masqExprs, &expr.Masq{})
masqRule := &nftables.Rule{
Table: r.workTable,
Chain: r.chains[chainNameRoutingNat],
Exprs: masqExprs,
UserData: []byte(ruleKey + snatSuffix),
}
r.conn.AddRule(masqRule)
r.rules[ruleKey+snatSuffix] = masqRule
}
func (r *router) DeleteDNATRule(rule firewall.Rule) error {
ruleKey := rule.ID()
if err := r.refreshRulesMap(); err != nil {
return fmt.Errorf(refreshRulesMapError, err)
}
var merr *multierror.Error
if dnatRule, exists := r.rules[ruleKey+dnatSuffix]; exists {
if err := r.conn.DelRule(dnatRule); err != nil {
merr = multierror.Append(merr, fmt.Errorf("delete dnat rule: %w", err))
}
}
if masqRule, exists := r.rules[ruleKey+snatSuffix]; exists {
if err := r.conn.DelRule(masqRule); err != nil {
merr = multierror.Append(merr, fmt.Errorf("delete snat rule: %w", err))
}
}
if err := r.conn.Flush(); err != nil {
merr = multierror.Append(merr, fmt.Errorf(flushError, err))
}
if merr == nil {
delete(r.rules, ruleKey+dnatSuffix)
delete(r.rules, ruleKey+snatSuffix)
}
return nberrors.FormatErrorOrNil(merr)
}
// generateCIDRMatcherExpressions generates nftables expressions that matches a CIDR
func generateCIDRMatcherExpressions(source bool, prefix netip.Prefix) []expr.Any {
var offset uint32
@ -953,15 +1268,11 @@ func applyPort(port *firewall.Port, isSource bool) []expr.Any {
if port.IsRange && len(port.Values) == 2 {
// Handle port range
exprs = append(exprs,
&expr.Cmp{
Op: expr.CmpOpGte,
&expr.Range{
Op: expr.CmpOpEq,
Register: 1,
Data: binaryutil.BigEndian.PutUint16(port.Values[0]),
},
&expr.Cmp{
Op: expr.CmpOpLte,
Register: 1,
Data: binaryutil.BigEndian.PutUint16(port.Values[1]),
FromData: binaryutil.BigEndian.PutUint16(port.Values[0]),
ToData: binaryutil.BigEndian.PutUint16(port.Values[1]),
},
)
} else {

View File

@ -319,7 +319,7 @@ func TestRouter_AddRouteFiltering(t *testing.T) {
})
// Check if the rule is in the internal map
rule, ok := r.rules[ruleKey.GetRuleID()]
rule, ok := r.rules[ruleKey.ID()]
assert.True(t, ok, "Rule not found in internal map")
t.Log("Internal rule expressions:")
@ -336,7 +336,7 @@ func TestRouter_AddRouteFiltering(t *testing.T) {
var nftRule *nftables.Rule
for _, rule := range rules {
if string(rule.UserData) == ruleKey.GetRuleID() {
if string(rule.UserData) == ruleKey.ID() {
nftRule = rule
break
}
@ -595,16 +595,20 @@ func containsPort(exprs []expr.Any, port *firewall.Port, isSource bool) bool {
if ex.Base == expr.PayloadBaseTransportHeader && ex.Offset == offset && ex.Len == 2 {
payloadFound = true
}
case *expr.Cmp:
if port.IsRange {
if ex.Op == expr.CmpOpGte || ex.Op == expr.CmpOpLte {
case *expr.Range:
if port.IsRange && len(port.Values) == 2 {
fromPort := binary.BigEndian.Uint16(ex.FromData)
toPort := binary.BigEndian.Uint16(ex.ToData)
if fromPort == port.Values[0] && toPort == port.Values[1] {
portMatchFound = true
}
} else {
}
case *expr.Cmp:
if !port.IsRange {
if ex.Op == expr.CmpOpEq && len(ex.Data) == 2 {
portValue := binary.BigEndian.Uint16(ex.Data)
for _, p := range port.Values {
if uint16(p) == portValue {
if p == portValue {
portMatchFound = true
break
}

View File

@ -16,6 +16,6 @@ type Rule struct {
}
// GetRuleID returns the rule id
func (r *Rule) GetRuleID() string {
func (r *Rule) ID() string {
return r.ruleID
}

View File

@ -24,6 +24,6 @@ type Rule struct {
}
// GetRuleID returns the rule id
func (r *Rule) GetRuleID() string {
func (r *Rule) ID() string {
return r.id
}

View File

@ -1,6 +1,7 @@
package uspfilter
import (
"errors"
"fmt"
"net"
"net/netip"
@ -25,7 +26,8 @@ const layerTypeAll = 0
const EnvDisableConntrack = "NB_DISABLE_CONNTRACK"
var (
errRouteNotSupported = fmt.Errorf("route not supported with userspace firewall")
errRouteNotSupported = errors.New("route not supported with userspace firewall")
errNatNotSupported = errors.New("nat not supported with userspace firewall")
)
// IFaceMapper defines subset methods of interface required for manager
@ -248,6 +250,22 @@ 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)
}
// DropOutgoing filter outgoing packets
func (m *Manager) DropOutgoing(packetData []byte) bool {
return m.processOutgoingHooks(packetData)

View File

@ -114,7 +114,7 @@ func TestManagerDeleteRule(t *testing.T) {
}
for _, r := range rule2 {
if _, ok := m.incomingRules[ip.String()][r.GetRuleID()]; !ok {
if _, ok := m.incomingRules[ip.String()][r.ID()]; !ok {
t.Errorf("rule2 is not in the incomingRules")
}
}
@ -128,7 +128,7 @@ func TestManagerDeleteRule(t *testing.T) {
}
for _, r := range rule2 {
if _, ok := m.incomingRules[ip.String()][r.GetRuleID()]; ok {
if _, ok := m.incomingRules[ip.String()][r.ID()]; ok {
t.Errorf("rule2 is not in the incomingRules")
}
}

View File

@ -12,7 +12,7 @@ import (
type RuleID string
func (r RuleID) GetRuleID() string {
func (r RuleID) ID() string {
return string(r)
}

View File

@ -245,7 +245,7 @@ func (d *DefaultManager) applyRouteACL(rule *mgmProto.RouteFirewallRule) (id.Rul
return "", fmt.Errorf("add route rule: %w", err)
}
return id.RuleID(addedRule.GetRuleID()), nil
return id.RuleID(addedRule.ID()), nil
}
func (d *DefaultManager) protoRuleToFirewallRule(
@ -499,7 +499,7 @@ func (d *DefaultManager) rollBack(newRulePairs map[id.RuleID][]firewall.Rule) {
for _, rules := range newRulePairs {
for _, rule := range rules {
if err := d.firewall.DeletePeerRule(rule); err != nil {
log.Errorf("failed to delete new firewall rule (id: %v) during rollback: %v", rule.GetRuleID(), err)
log.Errorf("failed to delete new firewall rule (id: %v) during rollback: %v", rule.ID(), err)
}
}
}

View File

@ -73,7 +73,7 @@ func TestDefaultManager(t *testing.T) {
t.Run("add extra rules", func(t *testing.T) {
existedPairs := map[string]struct{}{}
for id := range acl.peerRulesPairs {
existedPairs[id.GetRuleID()] = struct{}{}
existedPairs[id.ID()] = struct{}{}
}
// remove first rule
@ -99,7 +99,7 @@ func TestDefaultManager(t *testing.T) {
// check that old rule was removed
previousCount := 0
for id := range acl.peerRulesPairs {
if _, ok := existedPairs[id.GetRuleID()]; ok {
if _, ok := existedPairs[id.ID()]; ok {
previousCount++
}
}

View File

@ -25,7 +25,7 @@ import (
nberrors "github.com/netbirdio/netbird/client/errors"
"github.com/netbirdio/netbird/client/firewall"
"github.com/netbirdio/netbird/client/firewall/manager"
firewallManager "github.com/netbirdio/netbird/client/firewall/manager"
"github.com/netbirdio/netbird/client/iface"
"github.com/netbirdio/netbird/client/iface/bind"
"github.com/netbirdio/netbird/client/iface/device"
@ -33,6 +33,7 @@ import (
"github.com/netbirdio/netbird/client/internal/acl"
"github.com/netbirdio/netbird/client/internal/dns"
"github.com/netbirdio/netbird/client/internal/dnsfwd"
"github.com/netbirdio/netbird/client/internal/ingressgw"
"github.com/netbirdio/netbird/client/internal/networkmonitor"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/peer/guard"
@ -168,10 +169,11 @@ type Engine struct {
statusRecorder *peer.Status
firewall manager.Manager
routeManager routemanager.Manager
acl acl.Manager
dnsForwardMgr *dnsfwd.Manager
firewall firewallManager.Manager
routeManager routemanager.Manager
acl acl.Manager
dnsForwardMgr *dnsfwd.Manager
ingressGatewayMgr *ingressgw.Manager
dnsServer dns.Server
@ -291,6 +293,13 @@ func (e *Engine) Stop() error {
// stop/restore DNS first so dbus and friends don't complain because of a missing interface
e.stopDNSServer()
if e.ingressGatewayMgr != nil {
if err := e.ingressGatewayMgr.Close(); err != nil {
log.Warnf("failed to cleanup forward rules: %v", err)
}
e.ingressGatewayMgr = nil
}
if e.routeManager != nil {
e.routeManager.Stop(e.stateManager)
}
@ -495,15 +504,15 @@ func (e *Engine) initFirewall() error {
}
rosenpassPort := e.rpManager.GetAddress().Port
port := manager.Port{Values: []uint16{uint16(rosenpassPort)}}
port := firewallManager.Port{Values: []uint16{uint16(rosenpassPort)}}
// this rule is static and will be torn down on engine down by the firewall manager
if _, err := e.firewall.AddPeerFiltering(
net.IP{0, 0, 0, 0},
manager.ProtocolUDP,
firewallManager.ProtocolUDP,
nil,
&port,
manager.ActionAccept,
firewallManager.ActionAccept,
"",
"",
); err != nil {
@ -531,10 +540,10 @@ func (e *Engine) blockLanAccess() {
if _, err := e.firewall.AddRouteFiltering(
[]netip.Prefix{v4},
network,
manager.ProtocolALL,
firewallManager.ProtocolALL,
nil,
nil,
manager.ActionDrop,
firewallManager.ActionDrop,
); err != nil {
merr = multierror.Append(merr, fmt.Errorf("add fw rule for network %s: %w", network, err))
}
@ -925,6 +934,11 @@ func (e *Engine) updateNetworkMap(networkMap *mgmProto.NetworkMap) error {
log.Errorf("failed to update clientRoutes, err: %v", err)
}
// Ingress forward rules
if err := e.updateForwardRules(networkMap.GetForwardingRules()); err != nil {
log.Errorf("failed to update forward rules, err: %v", err)
}
log.Debugf("got peers update from Management Service, total peers to connect to = %d", len(networkMap.GetRemotePeers()))
e.updateOfflinePeers(networkMap.GetOfflinePeers())
@ -1737,6 +1751,70 @@ func (e *Engine) updateDNSForwarder(enabled bool, domains []string) {
}
}
func (e *Engine) updateForwardRules(rules []*mgmProto.ForwardingRule) error {
if e.firewall == nil {
log.Warn("firewall is disabled, not updating forwarding rules")
return nil
}
if len(rules) == 0 && e.ingressGatewayMgr != nil {
err := e.ingressGatewayMgr.Close()
e.ingressGatewayMgr = nil
e.statusRecorder.SetIngressGwMgr(nil)
return err
}
if e.ingressGatewayMgr == nil {
mgr := ingressgw.NewManager(e.firewall)
e.ingressGatewayMgr = mgr
e.statusRecorder.SetIngressGwMgr(mgr)
}
var merr *multierror.Error
forwardingRules := make([]firewallManager.ForwardRule, 0, len(rules))
for _, rule := range rules {
proto, err := convertToFirewallProtocol(rule.GetProtocol())
if err != nil {
merr = multierror.Append(merr, fmt.Errorf("failed to convert protocol '%s': %w", rule.GetProtocol(), err))
continue
}
dstPortInfo, err := convertPortInfo(rule.GetDestinationPort())
if err != nil {
merr = multierror.Append(merr, fmt.Errorf("invalid destination port '%v': %w", rule.GetDestinationPort(), err))
continue
}
translateIP, err := convertToIP(rule.GetTranslatedAddress())
if err != nil {
merr = multierror.Append(merr, fmt.Errorf("failed to convert translated address '%s': %w", rule.GetTranslatedAddress(), err))
continue
}
translatePort, err := convertPortInfo(rule.GetTranslatedPort())
if err != nil {
merr = multierror.Append(merr, fmt.Errorf("invalid translate port '%v': %w", rule.GetTranslatedPort(), err))
continue
}
forwardRule := firewallManager.ForwardRule{
Protocol: proto,
DestinationPort: *dstPortInfo,
TranslatedAddress: translateIP,
TranslatedPort: *translatePort,
}
forwardingRules = append(forwardingRules, forwardRule)
}
log.Infof("updating forwarding rules: %d", len(forwardingRules))
if err := e.ingressGatewayMgr.Update(forwardingRules); err != nil {
log.Errorf("failed to update forwarding rules: %v", err)
}
return nberrors.FormatErrorOrNil(merr)
}
// isChecksEqual checks if two slices of checks are equal.
func isChecksEqual(checks []*mgmProto.Checks, oChecks []*mgmProto.Checks) bool {
for _, check := range checks {

View File

@ -0,0 +1,107 @@
package ingressgw
import (
"fmt"
"sync"
"github.com/hashicorp/go-multierror"
log "github.com/sirupsen/logrus"
nberrors "github.com/netbirdio/netbird/client/errors"
firewall "github.com/netbirdio/netbird/client/firewall/manager"
)
type DNATFirewall interface {
AddDNATRule(fwdRule firewall.ForwardRule) (firewall.Rule, error)
DeleteDNATRule(rule firewall.Rule) error
}
type RulePair struct {
firewall.ForwardRule
firewall.Rule
}
type Manager struct {
dnatFirewall DNATFirewall
rules map[string]RulePair // keys is the ID of the ForwardRule
rulesMu sync.Mutex
}
func NewManager(dnatFirewall DNATFirewall) *Manager {
return &Manager{
dnatFirewall: dnatFirewall,
rules: make(map[string]RulePair),
}
}
func (h *Manager) Update(forwardRules []firewall.ForwardRule) error {
h.rulesMu.Lock()
defer h.rulesMu.Unlock()
var mErr *multierror.Error
toDelete := make(map[string]RulePair, len(h.rules))
for id, r := range h.rules {
toDelete[id] = r
}
// Process new/updated rules
for _, fwdRule := range forwardRules {
id := fwdRule.ID()
if _, ok := h.rules[id]; ok {
delete(toDelete, id)
continue
}
rule, err := h.dnatFirewall.AddDNATRule(fwdRule)
if err != nil {
mErr = multierror.Append(mErr, fmt.Errorf("add forward rule '%s': %v", fwdRule.String(), err))
continue
}
log.Infof("forward rule has been added '%s'", fwdRule)
h.rules[id] = RulePair{
ForwardRule: fwdRule,
Rule: rule,
}
}
// Remove deleted rules
for id, rulePair := range toDelete {
if err := h.dnatFirewall.DeleteDNATRule(rulePair.Rule); err != nil {
mErr = multierror.Append(mErr, fmt.Errorf("failed to delete forward rule '%s': %v", rulePair.ForwardRule.String(), err))
}
log.Infof("forward rule has been deleted '%s'", rulePair.ForwardRule)
delete(h.rules, id)
}
return nberrors.FormatErrorOrNil(mErr)
}
func (h *Manager) Close() error {
h.rulesMu.Lock()
defer h.rulesMu.Unlock()
log.Infof("clean up all (%d) forward rules", len(h.rules))
var mErr *multierror.Error
for _, rule := range h.rules {
if err := h.dnatFirewall.DeleteDNATRule(rule.Rule); err != nil {
mErr = multierror.Append(mErr, fmt.Errorf("failed to delete forward rule '%s': %v", rule, err))
}
}
h.rules = make(map[string]RulePair)
return nberrors.FormatErrorOrNil(mErr)
}
func (h *Manager) Rules() []firewall.ForwardRule {
h.rulesMu.Lock()
defer h.rulesMu.Unlock()
rules := make([]firewall.ForwardRule, 0, len(h.rules))
for _, rulePair := range h.rules {
rules = append(rules, rulePair.ForwardRule)
}
return rules
}

View File

@ -0,0 +1,281 @@
package ingressgw
import (
"fmt"
"net/netip"
"testing"
firewall "github.com/netbirdio/netbird/client/firewall/manager"
)
var (
_ firewall.Rule = (*MocFwRule)(nil)
_ DNATFirewall = &MockDNATFirewall{}
)
type MocFwRule struct {
id string
}
func (m *MocFwRule) ID() string {
return string(m.id)
}
type MockDNATFirewall struct {
throwError bool
}
func (m *MockDNATFirewall) AddDNATRule(fwdRule firewall.ForwardRule) (firewall.Rule, error) {
if m.throwError {
return nil, fmt.Errorf("moc error")
}
fwRule := &MocFwRule{
id: fwdRule.ID(),
}
return fwRule, nil
}
func (m *MockDNATFirewall) DeleteDNATRule(rule firewall.Rule) error {
if m.throwError {
return fmt.Errorf("moc error")
}
return nil
}
func (m *MockDNATFirewall) forceToThrowErrors() {
m.throwError = true
}
func TestManager_AddRule(t *testing.T) {
fw := &MockDNATFirewall{}
mgr := NewManager(fw)
port, _ := firewall.NewPort(8080)
updates := []firewall.ForwardRule{
{
Protocol: firewall.ProtocolTCP,
DestinationPort: *port,
TranslatedAddress: netip.MustParseAddr("172.16.254.1"),
TranslatedPort: *port,
},
{
Protocol: firewall.ProtocolUDP,
DestinationPort: *port,
TranslatedAddress: netip.MustParseAddr("172.16.254.1"),
TranslatedPort: *port,
}}
if err := mgr.Update(updates); err != nil {
t.Errorf("unexpected error: %v", err)
}
rules := mgr.Rules()
if len(rules) != len(updates) {
t.Errorf("unexpected rules count: %d", len(rules))
}
}
func TestManager_UpdateRule(t *testing.T) {
fw := &MockDNATFirewall{}
mgr := NewManager(fw)
port, _ := firewall.NewPort(8080)
ruleTCP := firewall.ForwardRule{
Protocol: firewall.ProtocolTCP,
DestinationPort: *port,
TranslatedAddress: netip.MustParseAddr("172.16.254.1"),
TranslatedPort: *port,
}
if err := mgr.Update([]firewall.ForwardRule{ruleTCP}); err != nil {
t.Errorf("unexpected error: %v", err)
}
ruleUDP := firewall.ForwardRule{
Protocol: firewall.ProtocolUDP,
DestinationPort: *port,
TranslatedAddress: netip.MustParseAddr("172.16.254.2"),
TranslatedPort: *port,
}
if err := mgr.Update([]firewall.ForwardRule{ruleUDP}); err != nil {
t.Errorf("unexpected error: %v", err)
}
rules := mgr.Rules()
if len(rules) != 1 {
t.Errorf("unexpected rules count: %d", len(rules))
}
if rules[0].TranslatedAddress.String() != ruleUDP.TranslatedAddress.String() {
t.Errorf("unexpected rule: %v", rules[0])
}
if rules[0].TranslatedPort.String() != ruleUDP.TranslatedPort.String() {
t.Errorf("unexpected rule: %v", rules[0])
}
if rules[0].DestinationPort.String() != ruleUDP.DestinationPort.String() {
t.Errorf("unexpected rule: %v", rules[0])
}
if rules[0].Protocol != ruleUDP.Protocol {
t.Errorf("unexpected rule: %v", rules[0])
}
}
func TestManager_ExtendRules(t *testing.T) {
fw := &MockDNATFirewall{}
mgr := NewManager(fw)
port, _ := firewall.NewPort(8080)
ruleTCP := firewall.ForwardRule{
Protocol: firewall.ProtocolTCP,
DestinationPort: *port,
TranslatedAddress: netip.MustParseAddr("172.16.254.1"),
TranslatedPort: *port,
}
ruleUDP := firewall.ForwardRule{
Protocol: firewall.ProtocolUDP,
DestinationPort: *port,
TranslatedAddress: netip.MustParseAddr("172.16.254.2"),
TranslatedPort: *port,
}
if err := mgr.Update([]firewall.ForwardRule{ruleTCP}); err != nil {
t.Errorf("unexpected error: %v", err)
}
if err := mgr.Update([]firewall.ForwardRule{ruleTCP, ruleUDP}); err != nil {
t.Errorf("unexpected error: %v", err)
}
rules := mgr.Rules()
if len(rules) != 2 {
t.Errorf("unexpected rules count: %d", len(rules))
}
}
func TestManager_UnderlingError(t *testing.T) {
fw := &MockDNATFirewall{}
mgr := NewManager(fw)
port, _ := firewall.NewPort(8080)
ruleTCP := firewall.ForwardRule{
Protocol: firewall.ProtocolTCP,
DestinationPort: *port,
TranslatedAddress: netip.MustParseAddr("172.16.254.1"),
TranslatedPort: *port,
}
ruleUDP := firewall.ForwardRule{
Protocol: firewall.ProtocolUDP,
DestinationPort: *port,
TranslatedAddress: netip.MustParseAddr("172.16.254.2"),
TranslatedPort: *port,
}
if err := mgr.Update([]firewall.ForwardRule{ruleTCP}); err != nil {
t.Errorf("unexpected error: %v", err)
}
fw.forceToThrowErrors()
if err := mgr.Update([]firewall.ForwardRule{ruleTCP, ruleUDP}); err == nil {
t.Errorf("expected error")
}
rules := mgr.Rules()
if len(rules) != 1 {
t.Errorf("unexpected rules count: %d", len(rules))
}
}
func TestManager_Cleanup(t *testing.T) {
fw := &MockDNATFirewall{}
mgr := NewManager(fw)
port, _ := firewall.NewPort(8080)
ruleTCP := firewall.ForwardRule{
Protocol: firewall.ProtocolTCP,
DestinationPort: *port,
TranslatedAddress: netip.MustParseAddr("172.16.254.1"),
TranslatedPort: *port,
}
if err := mgr.Update([]firewall.ForwardRule{ruleTCP}); err != nil {
t.Errorf("unexpected error: %v", err)
}
if err := mgr.Update([]firewall.ForwardRule{}); err != nil {
t.Errorf("unexpected error: %v", err)
}
rules := mgr.Rules()
if len(rules) != 0 {
t.Errorf("unexpected rules count: %d", len(rules))
}
}
func TestManager_DeleteBrokenRule(t *testing.T) {
fw := &MockDNATFirewall{}
// force to throw errors when Add DNAT Rule
fw.forceToThrowErrors()
mgr := NewManager(fw)
port, _ := firewall.NewPort(8080)
ruleTCP := firewall.ForwardRule{
Protocol: firewall.ProtocolTCP,
DestinationPort: *port,
TranslatedAddress: netip.MustParseAddr("172.16.254.1"),
TranslatedPort: *port,
}
if err := mgr.Update([]firewall.ForwardRule{ruleTCP}); err == nil {
t.Errorf("unexpected error: %v", err)
}
rules := mgr.Rules()
if len(rules) != 0 {
t.Errorf("unexpected rules count: %d", len(rules))
}
// simulate that to remove a broken rule
if err := mgr.Update([]firewall.ForwardRule{}); err != nil {
t.Errorf("unexpected error: %v", err)
}
if err := mgr.Close(); err != nil {
t.Errorf("unexpected error: %v", err)
}
}
func TestManager_Close(t *testing.T) {
fw := &MockDNATFirewall{}
mgr := NewManager(fw)
port, _ := firewall.NewPort(8080)
ruleTCP := firewall.ForwardRule{
Protocol: firewall.ProtocolTCP,
DestinationPort: *port,
TranslatedAddress: netip.MustParseAddr("172.16.254.1"),
TranslatedPort: *port,
}
if err := mgr.Update([]firewall.ForwardRule{ruleTCP}); err != nil {
t.Errorf("unexpected error: %v", err)
}
if err := mgr.Close(); err != nil {
t.Errorf("unexpected error: %v", err)
}
rules := mgr.Rules()
if len(rules) != 0 {
t.Errorf("unexpected rules count: %d", len(rules))
}
}

View File

@ -0,0 +1,58 @@
package internal
import (
"errors"
"fmt"
"net"
"net/netip"
firewallManager "github.com/netbirdio/netbird/client/firewall/manager"
mgmProto "github.com/netbirdio/netbird/management/proto"
)
func convertToFirewallProtocol(protocol mgmProto.RuleProtocol) (firewallManager.Protocol, error) {
switch protocol {
case mgmProto.RuleProtocol_TCP:
return firewallManager.ProtocolTCP, nil
case mgmProto.RuleProtocol_UDP:
return firewallManager.ProtocolUDP, nil
case mgmProto.RuleProtocol_ICMP:
return firewallManager.ProtocolICMP, nil
case mgmProto.RuleProtocol_ALL:
return firewallManager.ProtocolALL, nil
default:
return "", fmt.Errorf("invalid protocol type: %s", protocol.String())
}
}
func convertPortInfo(portInfo *mgmProto.PortInfo) (*firewallManager.Port, error) {
if portInfo == nil {
return nil, errors.New("portInfo cannot be nil")
}
if portInfo.GetPort() != 0 {
return firewallManager.NewPort(int(portInfo.GetPort()))
}
if portInfo.GetRange() != nil {
return firewallManager.NewPort(int(portInfo.GetRange().Start), int(portInfo.GetRange().End))
}
return nil, fmt.Errorf("invalid portInfo: %v", portInfo)
}
func convertToIP(rawIP []byte) (netip.Addr, error) {
if rawIP == nil {
return netip.Addr{}, errors.New("input bytes cannot be nil")
}
if len(rawIP) != net.IPv4len && len(rawIP) != net.IPv6len {
return netip.Addr{}, fmt.Errorf("invalid IP length: %d", len(rawIP))
}
if len(rawIP) == net.IPv4len {
return netip.AddrFrom4([4]byte(rawIP)), nil
}
return netip.AddrFrom16([16]byte(rawIP)), nil
}

View File

@ -11,7 +11,9 @@ import (
"google.golang.org/grpc/codes"
gstatus "google.golang.org/grpc/status"
firewall "github.com/netbirdio/netbird/client/firewall/manager"
"github.com/netbirdio/netbird/client/iface/configurer"
"github.com/netbirdio/netbird/client/internal/ingressgw"
"github.com/netbirdio/netbird/client/internal/relay"
"github.com/netbirdio/netbird/management/domain"
relayClient "github.com/netbirdio/netbird/relay/client"
@ -122,13 +124,14 @@ type NSGroupState struct {
// FullStatus contains the full state held by the Status instance
type FullStatus struct {
Peers []State
ManagementState ManagementState
SignalState SignalState
LocalPeerState LocalPeerState
RosenpassState RosenpassState
Relays []relay.ProbeResult
NSGroupStates []NSGroupState
Peers []State
ManagementState ManagementState
SignalState SignalState
LocalPeerState LocalPeerState
RosenpassState RosenpassState
Relays []relay.ProbeResult
NSGroupStates []NSGroupState
NumOfForwardingRules int
}
// Status holds a state of peers, signal, management connections and relays
@ -157,6 +160,8 @@ type Status struct {
peerListChangedForNotification bool
relayMgr *relayClient.Manager
ingressGwMgr *ingressgw.Manager
}
// NewRecorder returns a new Status instance
@ -177,6 +182,12 @@ func (d *Status) SetRelayMgr(manager *relayClient.Manager) {
d.relayMgr = manager
}
func (d *Status) SetIngressGwMgr(ingressGwMgr *ingressgw.Manager) {
d.mux.Lock()
defer d.mux.Unlock()
d.ingressGwMgr = ingressGwMgr
}
// ReplaceOfflinePeers replaces
func (d *Status) ReplaceOfflinePeers(replacement []State) {
d.mux.Lock()
@ -219,6 +230,18 @@ func (d *Status) GetPeer(peerPubKey string) (State, error) {
return state, nil
}
func (d *Status) PeerByIP(ip string) (string, bool) {
d.mux.Lock()
defer d.mux.Unlock()
for _, state := range d.peers {
if state.IP == ip {
return state.FQDN, true
}
}
return "", false
}
// RemovePeer removes peer from Daemon status map
func (d *Status) RemovePeer(peerPubKey string) error {
d.mux.Lock()
@ -718,6 +741,16 @@ func (d *Status) GetRelayStates() []relay.ProbeResult {
return append(relayStates, relayState)
}
func (d *Status) ForwardingRules() []firewall.ForwardRule {
d.mux.Lock()
defer d.mux.Unlock()
if d.ingressGwMgr == nil {
return nil
}
return d.ingressGwMgr.Rules()
}
func (d *Status) GetDNSStates() []NSGroupState {
d.mux.Lock()
defer d.mux.Unlock()
@ -733,11 +766,12 @@ func (d *Status) GetResolvedDomainsStates() map[domain.Domain]ResolvedDomainInfo
// GetFullStatus gets full status
func (d *Status) GetFullStatus() FullStatus {
fullStatus := FullStatus{
ManagementState: d.GetManagementState(),
SignalState: d.GetSignalState(),
Relays: d.GetRelayStates(),
RosenpassState: d.GetRosenpassState(),
NSGroupStates: d.GetDNSStates(),
ManagementState: d.GetManagementState(),
SignalState: d.GetSignalState(),
Relays: d.GetRelayStates(),
RosenpassState: d.GetRosenpassState(),
NSGroupStates: d.GetDNSStates(),
NumOfForwardingRules: len(d.ForwardingRules()),
}
d.mux.Lock()

File diff suppressed because it is too large Load Diff

View File

@ -8,6 +8,8 @@ option go_package = "/proto";
package daemon;
message EmptyRequest {}
service DaemonService {
// Login uses setup key to prepare configuration for the daemon.
rpc Login(LoginRequest) returns (LoginResponse) {}
@ -37,6 +39,8 @@ service DaemonService {
// Deselect specific routes
rpc DeselectNetworks(SelectNetworksRequest) returns (SelectNetworksResponse) {}
rpc ForwardingRules(EmptyRequest) returns (ForwardingRulesResponse) {}
// DebugBundle creates a debug bundle
rpc DebugBundle(DebugBundleRequest) returns (DebugBundleResponse) {}
@ -249,8 +253,10 @@ message FullStatus {
repeated PeerState peers = 4;
repeated RelayState relays = 5;
repeated NSGroupState dns_servers = 6;
int32 NumberOfForwardingRules = 8;
}
// Networks
message ListNetworksRequest {
}
@ -271,7 +277,6 @@ message IPList {
repeated string ips = 1;
}
message Network {
string ID = 1;
string range = 2;
@ -280,6 +285,33 @@ message Network {
map<string, IPList> resolvedIPs = 5;
}
// ForwardingRules
message PortInfo {
oneof portSelection {
uint32 port = 1;
Range range = 2;
}
message Range {
uint32 start = 1;
uint32 end = 2;
}
}
message ForwardingRule {
string protocol = 1;
PortInfo destinationPort = 2;
string translatedAddress = 3;
string translatedHostname = 4;
PortInfo translatedPort = 5;
}
message ForwardingRulesResponse {
repeated ForwardingRule rules = 1;
}
// DebugBundler
message DebugBundleRequest {
bool anonymize = 1;
string status = 2;

View File

@ -37,6 +37,7 @@ type DaemonServiceClient interface {
SelectNetworks(ctx context.Context, in *SelectNetworksRequest, opts ...grpc.CallOption) (*SelectNetworksResponse, error)
// Deselect specific routes
DeselectNetworks(ctx context.Context, in *SelectNetworksRequest, opts ...grpc.CallOption) (*SelectNetworksResponse, error)
ForwardingRules(ctx context.Context, in *EmptyRequest, opts ...grpc.CallOption) (*ForwardingRulesResponse, error)
// DebugBundle creates a debug bundle
DebugBundle(ctx context.Context, in *DebugBundleRequest, opts ...grpc.CallOption) (*DebugBundleResponse, error)
// GetLogLevel gets the log level of the daemon
@ -142,6 +143,15 @@ func (c *daemonServiceClient) DeselectNetworks(ctx context.Context, in *SelectNe
return out, nil
}
func (c *daemonServiceClient) ForwardingRules(ctx context.Context, in *EmptyRequest, opts ...grpc.CallOption) (*ForwardingRulesResponse, error) {
out := new(ForwardingRulesResponse)
err := c.cc.Invoke(ctx, "/daemon.DaemonService/ForwardingRules", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *daemonServiceClient) DebugBundle(ctx context.Context, in *DebugBundleRequest, opts ...grpc.CallOption) (*DebugBundleResponse, error) {
out := new(DebugBundleResponse)
err := c.cc.Invoke(ctx, "/daemon.DaemonService/DebugBundle", in, out, opts...)
@ -228,6 +238,7 @@ type DaemonServiceServer interface {
SelectNetworks(context.Context, *SelectNetworksRequest) (*SelectNetworksResponse, error)
// Deselect specific routes
DeselectNetworks(context.Context, *SelectNetworksRequest) (*SelectNetworksResponse, error)
ForwardingRules(context.Context, *EmptyRequest) (*ForwardingRulesResponse, error)
// DebugBundle creates a debug bundle
DebugBundle(context.Context, *DebugBundleRequest) (*DebugBundleResponse, error)
// GetLogLevel gets the log level of the daemon
@ -276,6 +287,9 @@ func (UnimplementedDaemonServiceServer) SelectNetworks(context.Context, *SelectN
func (UnimplementedDaemonServiceServer) DeselectNetworks(context.Context, *SelectNetworksRequest) (*SelectNetworksResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method DeselectNetworks not implemented")
}
func (UnimplementedDaemonServiceServer) ForwardingRules(context.Context, *EmptyRequest) (*ForwardingRulesResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method ForwardingRules not implemented")
}
func (UnimplementedDaemonServiceServer) DebugBundle(context.Context, *DebugBundleRequest) (*DebugBundleResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method DebugBundle not implemented")
}
@ -472,6 +486,24 @@ func _DaemonService_DeselectNetworks_Handler(srv interface{}, ctx context.Contex
return interceptor(ctx, in, info, handler)
}
func _DaemonService_ForwardingRules_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(EmptyRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(DaemonServiceServer).ForwardingRules(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/daemon.DaemonService/ForwardingRules",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(DaemonServiceServer).ForwardingRules(ctx, req.(*EmptyRequest))
}
return interceptor(ctx, in, info, handler)
}
func _DaemonService_DebugBundle_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(DebugBundleRequest)
if err := dec(in); err != nil {
@ -641,6 +673,10 @@ var DaemonService_ServiceDesc = grpc.ServiceDesc{
MethodName: "DeselectNetworks",
Handler: _DaemonService_DeselectNetworks_Handler,
},
{
MethodName: "ForwardingRules",
Handler: _DaemonService_ForwardingRules_Handler,
},
{
MethodName: "DebugBundle",
Handler: _DaemonService_DebugBundle_Handler,

View File

@ -0,0 +1,54 @@
package server
import (
"context"
firewall "github.com/netbirdio/netbird/client/firewall/manager"
"github.com/netbirdio/netbird/client/proto"
)
func (s *Server) ForwardingRules(context.Context, *proto.EmptyRequest) (*proto.ForwardingRulesResponse, error) {
s.mutex.Lock()
defer s.mutex.Unlock()
rules := s.statusRecorder.ForwardingRules()
responseRules := make([]*proto.ForwardingRule, 0, len(rules))
for _, rule := range rules {
respRule := &proto.ForwardingRule{
Protocol: string(rule.Protocol),
DestinationPort: portToProto(rule.DestinationPort),
TranslatedAddress: rule.TranslatedAddress.String(),
TranslatedHostname: s.hostNameByTranslateAddress(rule.TranslatedAddress.String()),
TranslatedPort: portToProto(rule.TranslatedPort),
}
responseRules = append(responseRules, respRule)
}
return &proto.ForwardingRulesResponse{Rules: responseRules}, nil
}
func (s *Server) hostNameByTranslateAddress(ip string) string {
hostName, ok := s.statusRecorder.PeerByIP(ip)
if !ok {
return ip
}
return hostName
}
func portToProto(port firewall.Port) *proto.PortInfo {
var portInfo proto.PortInfo
if !port.IsRange {
portInfo.PortSelection = &proto.PortInfo_Port{Port: uint32(port.Values[0])}
} else {
portInfo.PortSelection = &proto.PortInfo_Range_{
Range: &proto.PortInfo_Range{
Start: uint32(port.Values[0]),
End: uint32(port.Values[1]),
},
}
}
return &portInfo
}

View File

@ -797,6 +797,7 @@ func toProtoFullStatus(fullStatus peer.FullStatus) *proto.FullStatus {
pbFullStatus.LocalPeerState.RosenpassPermissive = fullStatus.RosenpassState.Permissive
pbFullStatus.LocalPeerState.RosenpassEnabled = fullStatus.RosenpassState.Enabled
pbFullStatus.LocalPeerState.Networks = maps.Keys(fullStatus.LocalPeerState.Routes)
pbFullStatus.NumberOfForwardingRules = int32(fullStatus.NumOfForwardingRules)
for _, peerState := range fullStatus.Peers {
pbPeerState := &proto.PeerState{

View File

@ -1,7 +1,7 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.26.0
// protoc v4.24.3
// protoc v3.21.12
// source: management.proto
package proto
@ -1599,7 +1599,8 @@ type NetworkMap struct {
// RoutesFirewallRules represents a list of routes firewall rules to be applied to peer
RoutesFirewallRules []*RouteFirewallRule `protobuf:"bytes,10,rep,name=routesFirewallRules,proto3" json:"routesFirewallRules,omitempty"`
// RoutesFirewallRulesIsEmpty indicates whether RouteFirewallRule array is empty or not to bypass protobuf null and empty array equality.
RoutesFirewallRulesIsEmpty bool `protobuf:"varint,11,opt,name=routesFirewallRulesIsEmpty,proto3" json:"routesFirewallRulesIsEmpty,omitempty"`
RoutesFirewallRulesIsEmpty bool `protobuf:"varint,11,opt,name=routesFirewallRulesIsEmpty,proto3" json:"routesFirewallRulesIsEmpty,omitempty"`
ForwardingRules []*ForwardingRule `protobuf:"bytes,12,rep,name=forwardingRules,proto3" json:"forwardingRules,omitempty"`
}
func (x *NetworkMap) Reset() {
@ -1711,6 +1712,13 @@ func (x *NetworkMap) GetRoutesFirewallRulesIsEmpty() bool {
return false
}
func (x *NetworkMap) GetForwardingRules() []*ForwardingRule {
if x != nil {
return x.ForwardingRules
}
return nil
}
// RemotePeerConfig represents a configuration of a remote peer.
// The properties are used to configure WireGuard Peers sections
type RemotePeerConfig struct {
@ -2996,6 +3004,82 @@ func (x *RouteFirewallRule) GetCustomProtocol() uint32 {
return 0
}
type ForwardingRule struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Protocol of the forwarding rule
Protocol RuleProtocol `protobuf:"varint,1,opt,name=protocol,proto3,enum=management.RuleProtocol" json:"protocol,omitempty"`
// portInfo is the ingress destination port information, where the traffic arrives in the gateway node
DestinationPort *PortInfo `protobuf:"bytes,2,opt,name=destinationPort,proto3" json:"destinationPort,omitempty"`
// IP address of the translated address (remote peer) to send traffic to
// todo type pending
TranslatedAddress []byte `protobuf:"bytes,3,opt,name=translatedAddress,proto3" json:"translatedAddress,omitempty"`
// Translated port information, where the traffic should be forwarded to
TranslatedPort *PortInfo `protobuf:"bytes,4,opt,name=translatedPort,proto3" json:"translatedPort,omitempty"`
}
func (x *ForwardingRule) Reset() {
*x = ForwardingRule{}
if protoimpl.UnsafeEnabled {
mi := &file_management_proto_msgTypes[37]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *ForwardingRule) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ForwardingRule) ProtoMessage() {}
func (x *ForwardingRule) ProtoReflect() protoreflect.Message {
mi := &file_management_proto_msgTypes[37]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use ForwardingRule.ProtoReflect.Descriptor instead.
func (*ForwardingRule) Descriptor() ([]byte, []int) {
return file_management_proto_rawDescGZIP(), []int{37}
}
func (x *ForwardingRule) GetProtocol() RuleProtocol {
if x != nil {
return x.Protocol
}
return RuleProtocol_UNKNOWN
}
func (x *ForwardingRule) GetDestinationPort() *PortInfo {
if x != nil {
return x.DestinationPort
}
return nil
}
func (x *ForwardingRule) GetTranslatedAddress() []byte {
if x != nil {
return x.TranslatedAddress
}
return nil
}
func (x *ForwardingRule) GetTranslatedPort() *PortInfo {
if x != nil {
return x.TranslatedPort
}
return nil
}
type PortInfo_Range struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -3008,7 +3092,7 @@ type PortInfo_Range struct {
func (x *PortInfo_Range) Reset() {
*x = PortInfo_Range{}
if protoimpl.UnsafeEnabled {
mi := &file_management_proto_msgTypes[37]
mi := &file_management_proto_msgTypes[38]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -3021,7 +3105,7 @@ func (x *PortInfo_Range) String() string {
func (*PortInfo_Range) ProtoMessage() {}
func (x *PortInfo_Range) ProtoReflect() protoreflect.Message {
mi := &file_management_proto_msgTypes[37]
mi := &file_management_proto_msgTypes[38]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -3251,7 +3335,7 @@ var file_management_proto_rawDesc = []byte{
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@ -3290,218 +3374,238 @@ var file_management_proto_rawDesc = []byte{
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}
var (
@ -3517,7 +3621,7 @@ func file_management_proto_rawDescGZIP() []byte {
}
var file_management_proto_enumTypes = make([]protoimpl.EnumInfo, 5)
var file_management_proto_msgTypes = make([]protoimpl.MessageInfo, 38)
var file_management_proto_msgTypes = make([]protoimpl.MessageInfo, 39)
var file_management_proto_goTypes = []interface{}{
(RuleProtocol)(0), // 0: management.RuleProtocol
(RuleDirection)(0), // 1: management.RuleDirection
@ -3561,8 +3665,9 @@ var file_management_proto_goTypes = []interface{}{
(*Checks)(nil), // 39: management.Checks
(*PortInfo)(nil), // 40: management.PortInfo
(*RouteFirewallRule)(nil), // 41: management.RouteFirewallRule
(*PortInfo_Range)(nil), // 42: management.PortInfo.Range
(*timestamppb.Timestamp)(nil), // 43: google.protobuf.Timestamp
(*ForwardingRule)(nil), // 42: management.ForwardingRule
(*PortInfo_Range)(nil), // 43: management.PortInfo.Range
(*timestamppb.Timestamp)(nil), // 44: google.protobuf.Timestamp
}
var file_management_proto_depIdxs = []int32{
14, // 0: management.SyncRequest.meta:type_name -> management.PeerSystemMeta
@ -3581,7 +3686,7 @@ var file_management_proto_depIdxs = []int32{
18, // 13: management.LoginResponse.wiretrusteeConfig:type_name -> management.WiretrusteeConfig
22, // 14: management.LoginResponse.peerConfig:type_name -> management.PeerConfig
39, // 15: management.LoginResponse.Checks:type_name -> management.Checks
43, // 16: management.ServerKeyResponse.expiresAt:type_name -> google.protobuf.Timestamp
44, // 16: management.ServerKeyResponse.expiresAt:type_name -> google.protobuf.Timestamp
19, // 17: management.WiretrusteeConfig.stuns:type_name -> management.HostConfig
21, // 18: management.WiretrusteeConfig.turns:type_name -> management.ProtectedHostConfig
19, // 19: management.WiretrusteeConfig.signal:type_name -> management.HostConfig
@ -3596,41 +3701,45 @@ var file_management_proto_depIdxs = []int32{
24, // 28: management.NetworkMap.offlinePeers:type_name -> management.RemotePeerConfig
37, // 29: management.NetworkMap.FirewallRules:type_name -> management.FirewallRule
41, // 30: management.NetworkMap.routesFirewallRules:type_name -> management.RouteFirewallRule
25, // 31: management.RemotePeerConfig.sshConfig:type_name -> management.SSHConfig
4, // 32: management.DeviceAuthorizationFlow.Provider:type_name -> management.DeviceAuthorizationFlow.provider
30, // 33: management.DeviceAuthorizationFlow.ProviderConfig:type_name -> management.ProviderConfig
30, // 34: management.PKCEAuthorizationFlow.ProviderConfig:type_name -> management.ProviderConfig
35, // 35: management.DNSConfig.NameServerGroups:type_name -> management.NameServerGroup
33, // 36: management.DNSConfig.CustomZones:type_name -> management.CustomZone
34, // 37: management.CustomZone.Records:type_name -> management.SimpleRecord
36, // 38: management.NameServerGroup.NameServers:type_name -> management.NameServer
1, // 39: management.FirewallRule.Direction:type_name -> management.RuleDirection
2, // 40: management.FirewallRule.Action:type_name -> management.RuleAction
0, // 41: management.FirewallRule.Protocol:type_name -> management.RuleProtocol
40, // 42: management.FirewallRule.PortInfo:type_name -> management.PortInfo
42, // 43: management.PortInfo.range:type_name -> management.PortInfo.Range
2, // 44: management.RouteFirewallRule.action:type_name -> management.RuleAction
0, // 45: management.RouteFirewallRule.protocol:type_name -> management.RuleProtocol
40, // 46: management.RouteFirewallRule.portInfo:type_name -> management.PortInfo
5, // 47: management.ManagementService.Login:input_type -> management.EncryptedMessage
5, // 48: management.ManagementService.Sync:input_type -> management.EncryptedMessage
17, // 49: management.ManagementService.GetServerKey:input_type -> management.Empty
17, // 50: management.ManagementService.isHealthy:input_type -> management.Empty
5, // 51: management.ManagementService.GetDeviceAuthorizationFlow:input_type -> management.EncryptedMessage
5, // 52: management.ManagementService.GetPKCEAuthorizationFlow:input_type -> management.EncryptedMessage
5, // 53: management.ManagementService.SyncMeta:input_type -> management.EncryptedMessage
5, // 54: management.ManagementService.Login:output_type -> management.EncryptedMessage
5, // 55: management.ManagementService.Sync:output_type -> management.EncryptedMessage
16, // 56: management.ManagementService.GetServerKey:output_type -> management.ServerKeyResponse
17, // 57: management.ManagementService.isHealthy:output_type -> management.Empty
5, // 58: management.ManagementService.GetDeviceAuthorizationFlow:output_type -> management.EncryptedMessage
5, // 59: management.ManagementService.GetPKCEAuthorizationFlow:output_type -> management.EncryptedMessage
17, // 60: management.ManagementService.SyncMeta:output_type -> management.Empty
54, // [54:61] is the sub-list for method output_type
47, // [47:54] is the sub-list for method input_type
47, // [47:47] is the sub-list for extension type_name
47, // [47:47] is the sub-list for extension extendee
0, // [0:47] is the sub-list for field type_name
42, // 31: management.NetworkMap.forwardingRules:type_name -> management.ForwardingRule
25, // 32: management.RemotePeerConfig.sshConfig:type_name -> management.SSHConfig
4, // 33: management.DeviceAuthorizationFlow.Provider:type_name -> management.DeviceAuthorizationFlow.provider
30, // 34: management.DeviceAuthorizationFlow.ProviderConfig:type_name -> management.ProviderConfig
30, // 35: management.PKCEAuthorizationFlow.ProviderConfig:type_name -> management.ProviderConfig
35, // 36: management.DNSConfig.NameServerGroups:type_name -> management.NameServerGroup
33, // 37: management.DNSConfig.CustomZones:type_name -> management.CustomZone
34, // 38: management.CustomZone.Records:type_name -> management.SimpleRecord
36, // 39: management.NameServerGroup.NameServers:type_name -> management.NameServer
1, // 40: management.FirewallRule.Direction:type_name -> management.RuleDirection
2, // 41: management.FirewallRule.Action:type_name -> management.RuleAction
0, // 42: management.FirewallRule.Protocol:type_name -> management.RuleProtocol
40, // 43: management.FirewallRule.PortInfo:type_name -> management.PortInfo
43, // 44: management.PortInfo.range:type_name -> management.PortInfo.Range
2, // 45: management.RouteFirewallRule.action:type_name -> management.RuleAction
0, // 46: management.RouteFirewallRule.protocol:type_name -> management.RuleProtocol
40, // 47: management.RouteFirewallRule.portInfo:type_name -> management.PortInfo
0, // 48: management.ForwardingRule.protocol:type_name -> management.RuleProtocol
40, // 49: management.ForwardingRule.destinationPort:type_name -> management.PortInfo
40, // 50: management.ForwardingRule.translatedPort:type_name -> management.PortInfo
5, // 51: management.ManagementService.Login:input_type -> management.EncryptedMessage
5, // 52: management.ManagementService.Sync:input_type -> management.EncryptedMessage
17, // 53: management.ManagementService.GetServerKey:input_type -> management.Empty
17, // 54: management.ManagementService.isHealthy:input_type -> management.Empty
5, // 55: management.ManagementService.GetDeviceAuthorizationFlow:input_type -> management.EncryptedMessage
5, // 56: management.ManagementService.GetPKCEAuthorizationFlow:input_type -> management.EncryptedMessage
5, // 57: management.ManagementService.SyncMeta:input_type -> management.EncryptedMessage
5, // 58: management.ManagementService.Login:output_type -> management.EncryptedMessage
5, // 59: management.ManagementService.Sync:output_type -> management.EncryptedMessage
16, // 60: management.ManagementService.GetServerKey:output_type -> management.ServerKeyResponse
17, // 61: management.ManagementService.isHealthy:output_type -> management.Empty
5, // 62: management.ManagementService.GetDeviceAuthorizationFlow:output_type -> management.EncryptedMessage
5, // 63: management.ManagementService.GetPKCEAuthorizationFlow:output_type -> management.EncryptedMessage
17, // 64: management.ManagementService.SyncMeta:output_type -> management.Empty
58, // [58:65] is the sub-list for method output_type
51, // [51:58] is the sub-list for method input_type
51, // [51:51] is the sub-list for extension type_name
51, // [51:51] is the sub-list for extension extendee
0, // [0:51] is the sub-list for field type_name
}
func init() { file_management_proto_init() }
@ -4084,6 +4193,18 @@ func file_management_proto_init() {
}
}
file_management_proto_msgTypes[37].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*ForwardingRule); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_management_proto_msgTypes[38].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*PortInfo_Range); i {
case 0:
return &v.state
@ -4106,7 +4227,7 @@ func file_management_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_management_proto_rawDesc,
NumEnums: 5,
NumMessages: 38,
NumMessages: 39,
NumExtensions: 0,
NumServices: 1,
},

View File

@ -273,6 +273,8 @@ message NetworkMap {
// RoutesFirewallRulesIsEmpty indicates whether RouteFirewallRule array is empty or not to bypass protobuf null and empty array equality.
bool routesFirewallRulesIsEmpty = 11;
repeated ForwardingRule forwardingRules = 12;
}
// RemotePeerConfig represents a configuration of a remote peer.
@ -482,3 +484,17 @@ message RouteFirewallRule {
uint32 customProtocol = 8;
}
message ForwardingRule {
// Protocol of the forwarding rule
RuleProtocol protocol = 1;
// portInfo is the ingress destination port information, where the traffic arrives in the gateway node
PortInfo destinationPort = 2;
// IP address of the translated address (remote peer) to send traffic to
// todo type pending
bytes translatedAddress = 3;
// Translated port information, where the traffic should be forwarded to
PortInfo translatedPort = 4;
}