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yggdrasilctl.go
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yggdrasilctl.go
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package main
import "flag"
import "fmt"
import "strings"
import "net"
import "sort"
import "encoding/json"
import "strconv"
import "os"
type admin_info map[string]interface{}
func main() {
server := flag.String("endpoint", "localhost:9001", "Admin socket endpoint")
injson := flag.Bool("json", false, "Output in JSON format")
flag.Parse()
args := flag.Args()
if len(args) == 0 {
fmt.Println("usage:", os.Args[0], "[-endpoint=localhost:9001] [-json] command [key=value] [...]")
fmt.Println("example:", os.Args[0], "getPeers")
fmt.Println("example:", os.Args[0], "setTunTap name=auto mtu=1500 tap_mode=false")
fmt.Println("example:", os.Args[0], "-endpoint=localhost:9001 getDHT")
return
}
conn, err := net.Dial("tcp", *server)
if err != nil {
panic(err)
}
defer conn.Close()
decoder := json.NewDecoder(conn)
encoder := json.NewEncoder(conn)
send := make(admin_info)
recv := make(admin_info)
for c, a := range args {
if c == 0 {
send["request"] = a
continue
}
tokens := strings.Split(a, "=")
if i, err := strconv.Atoi(tokens[1]); err == nil {
send[tokens[0]] = i
} else {
switch tokens[1] {
case "true":
send[tokens[0]] = true
case "false":
send[tokens[0]] = false
default:
send[tokens[0]] = tokens[1]
}
}
}
if err := encoder.Encode(&send); err != nil {
panic(err)
}
if err := decoder.Decode(&recv); err == nil {
if recv["status"] == "error" {
if err, ok := recv["error"]; ok {
fmt.Println("Error:", err)
} else {
fmt.Println("Unspecified error occured")
}
os.Exit(1)
}
if _, ok := recv["request"]; !ok {
fmt.Println("Missing request in response (malformed response?)")
return
}
if _, ok := recv["response"]; !ok {
fmt.Println("Missing response body (malformed response?)")
return
}
req := recv["request"].(map[string]interface{})
res := recv["response"].(map[string]interface{})
if *injson {
if json, err := json.MarshalIndent(res, "", " "); err == nil {
fmt.Println(string(json))
}
os.Exit(0)
}
switch req["request"] {
case "dot":
fmt.Println(res["dot"])
case "help", "getPeers", "getSwitchPeers", "getDHT", "getSessions":
maxWidths := make(map[string]int)
var keyOrder []string
keysOrdered := false
for _, tlv := range res {
for slk, slv := range tlv.(map[string]interface{}) {
if !keysOrdered {
for k := range slv.(map[string]interface{}) {
keyOrder = append(keyOrder, fmt.Sprint(k))
}
sort.Strings(keyOrder)
keysOrdered = true
}
for k, v := range slv.(map[string]interface{}) {
if len(fmt.Sprint(slk)) > maxWidths["key"] {
maxWidths["key"] = len(fmt.Sprint(slk))
}
if len(fmt.Sprint(v)) > maxWidths[k] {
maxWidths[k] = len(fmt.Sprint(v))
if maxWidths[k] < len(k) {
maxWidths[k] = len(k)
}
}
}
}
if len(keyOrder) > 0 {
fmt.Printf("%-"+fmt.Sprint(maxWidths["key"])+"s ", "")
for _, v := range keyOrder {
fmt.Printf("%-"+fmt.Sprint(maxWidths[v])+"s ", v)
}
fmt.Println()
}
for slk, slv := range tlv.(map[string]interface{}) {
fmt.Printf("%-"+fmt.Sprint(maxWidths["key"])+"s ", slk)
for _, k := range keyOrder {
preformatted := slv.(map[string]interface{})[k]
var formatted string
switch k {
case "bytes_sent", "bytes_recvd":
formatted = fmt.Sprintf("%d", uint(preformatted.(float64)))
case "uptime", "last_seen":
seconds := uint(preformatted.(float64)) % 60
minutes := uint(preformatted.(float64)/60) % 60
hours := uint(preformatted.(float64) / 60 / 60)
formatted = fmt.Sprintf("%02d:%02d:%02d", hours, minutes, seconds)
default:
formatted = fmt.Sprint(preformatted)
}
fmt.Printf("%-"+fmt.Sprint(maxWidths[k])+"s ", formatted)
}
fmt.Println()
}
}
case "getTunTap", "setTunTap":
for k, v := range res {
fmt.Println("Interface name:", k)
if mtu, ok := v.(map[string]interface{})["mtu"].(float64); ok {
fmt.Println("Interface MTU:", mtu)
}
if tap_mode, ok := v.(map[string]interface{})["tap_mode"].(bool); ok {
fmt.Println("TAP mode:", tap_mode)
}
}
case "getSelf":
for k, v := range res["self"].(map[string]interface{}) {
fmt.Println("IPv6 address:", k)
if subnet, ok := v.(map[string]interface{})["subnet"].(string); ok {
fmt.Println("IPv6 subnet:", subnet)
}
if coords, ok := v.(map[string]interface{})["coords"].(string); ok {
fmt.Println("Coords:", coords)
}
}
case "addPeer", "removePeer", "addAllowedEncryptionPublicKey", "removeAllowedEncryptionPublicKey":
if _, ok := res["added"]; ok {
for _, v := range res["added"].([]interface{}) {
fmt.Println("Added:", fmt.Sprint(v))
}
}
if _, ok := res["not_added"]; ok {
for _, v := range res["not_added"].([]interface{}) {
fmt.Println("Not added:", fmt.Sprint(v))
}
}
if _, ok := res["removed"]; ok {
for _, v := range res["removed"].([]interface{}) {
fmt.Println("Removed:", fmt.Sprint(v))
}
}
if _, ok := res["not_removed"]; ok {
for _, v := range res["not_removed"].([]interface{}) {
fmt.Println("Not removed:", fmt.Sprint(v))
}
}
case "getAllowedEncryptionPublicKeys":
if _, ok := res["allowed_box_pubs"]; !ok {
fmt.Println("All connections are allowed")
} else if res["allowed_box_pubs"] == nil {
fmt.Println("All connections are allowed")
} else {
fmt.Println("Connections are allowed only from the following public box keys:")
for _, v := range res["allowed_box_pubs"].([]interface{}) {
fmt.Println("-", v)
}
}
case "getMulticastInterfaces":
if _, ok := res["multicast_interfaces"]; !ok {
fmt.Println("No multicast interfaces found")
} else if res["multicast_interfaces"] == nil {
fmt.Println("No multicast interfaces found")
} else {
fmt.Println("Multicast peer discovery is active on:")
for _, v := range res["multicast_interfaces"].([]interface{}) {
fmt.Println("-", v)
}
}
default:
if json, err := json.MarshalIndent(recv["response"], "", " "); err == nil {
fmt.Println(string(json))
}
}
}
if v, ok := recv["status"]; ok && v == "error" {
os.Exit(1)
}
os.Exit(0)
}