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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>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sort" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| "google.golang.org/grpc/status" | ||
|
|
||
| "github.com/netbirdio/netbird/client/proto" | ||
| ) | ||
|
|
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| 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, | ||
| } | ||
|
|
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| func listForwardingRules(cmd *cobra.Command, _ []string) error { | ||
| conn, err := getClient(cmd) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer conn.Close() | ||
|
|
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| 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()) | ||
| } | ||
|
|
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| if len(resp.GetRules()) == 0 { | ||
| cmd.Println("No forwarding rules available.") | ||
| return nil | ||
| } | ||
|
|
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| printForwardingRules(cmd, resp.GetRules()) | ||
| return nil | ||
| } | ||
|
|
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| 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()) | ||
| }) | ||
|
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| 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()) | ||
| } | ||
|
|
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| cmd.Printf(" Local %s/%s to %s:%s\n", rule.GetProtocol(), dPort, rule.GetTranslatedAddress(), tPort) | ||
| } | ||
| } | ||
|
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||
| 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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