added netmaker check on checkin

database/database.go

@@ -68,7 +68,7 @@ func Insert(key string, value string, tableName string) error {
 }
 
 func InsertPeer(key string, value string) error {
-	if key != "" && value != "" {
+	if key != "" && value != "" && isJSONString(value) {
 		_, err := Database.WriteOne("INSERT OR REPLACE INTO " + PEERS_TABLE_NAME + " (key, value) VALUES ('" + key + "', '" + value + "')")
 		if err != nil {
 			return err

serverctl/wireguard.go

@@ -9,7 +9,8 @@ import (
 	"net"
 	"os"
 	"strconv"
-
+	"strings"
+	"encoding/base64"
 	"github.com/gravitl/netmaker/database"
 	"github.com/gravitl/netmaker/functions"
 	"github.com/gravitl/netmaker/models"
@@ -201,7 +202,19 @@ func GetPeers(networkName string) (map[string]string, error) {
 		return nil, err
 	}
 	for _, peer := range device.Peers {
-		peers[peer.PublicKey.String()] = peer.Endpoint.String()
+		if isBase64(peer.PublicKey.String()) && checkEndpoint(peer.Endpoint.String()) {
+			peers[peer.PublicKey.String()] = peer.Endpoint.String()
+		}
 	}
 	return peers, nil
 }
+
+func checkEndpoint(endpoint string) bool {
+    endpointarr := strings.Split(endpoint,":")
+	return net.ParseIP(endpointarr[0]) == nil
+}
+
+func isBase64(s string) bool {
+	_, err := base64.StdEncoding.DecodeString(s)
+	return err == nil
+}