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Merge pull request #604 from neilalexander/addresssubnet

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Add -address and -subnet command line options to cmd/yggdrasil
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Neil Alexander 2019-11-11 09:42:23 +00:00 committed by GitHub
commit f330f2f5bc
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1 changed files with 33 additions and 0 deletions
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33
cmd/yggdrasil/main.go
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@ -7,6 +7,7 @@ import (
"flag"
"fmt"
"io/ioutil"
"net"
"os"
"os/signal"
"strings"
@ -20,6 +21,7 @@ import (
"github.com/kardianos/minwinsvc"
"github.com/mitchellh/mapstructure"
"github.com/yggdrasil-network/yggdrasil-go/src/address"
"github.com/yggdrasil-network/yggdrasil-go/src/admin"
"github.com/yggdrasil-network/yggdrasil-go/src/config"
"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
@ -142,6 +144,8 @@ func main() {
ver := flag.Bool("version", false, "prints the version of this build")
logging := flag.String("logging", "info,warn,error", "comma-separated list of logging levels to enable")
logto := flag.String("logto", "stdout", "file path to log to, \"syslog\" or \"stdout\"")
getaddr := flag.Bool("address", false, "returns the IPv6 address as derived from the supplied configuration")
getsnet := flag.Bool("subnet", false, "returns the IPv6 subnet as derived from the supplied configuration")
flag.Parse()
var cfg *config.NodeConfig
@ -188,6 +192,35 @@ func main() {
if cfg == nil {
return
}
// Have we been asked for the node address yet? If so, print it and then stop.
getNodeID := func() *crypto.NodeID {
if pubkey, err := hex.DecodeString(cfg.EncryptionPublicKey); err == nil {
var box crypto.BoxPubKey
copy(box[:], pubkey[:])
return crypto.GetNodeID(&box)
}
return nil
}
switch {
case *getaddr:
if nodeid := getNodeID(); nodeid != nil {
addr := *address.AddrForNodeID(nodeid)
ip := net.IP(addr[:])
fmt.Println(ip.String())
}
return
case *getsnet:
if nodeid := getNodeID(); nodeid != nil {
snet := *address.SubnetForNodeID(nodeid)
ipnet := net.IPNet{
IP: append(snet[:], 0, 0, 0, 0, 0, 0, 0, 0),
Mask: net.CIDRMask(len(snet)*8, 128),
}
fmt.Println(ipnet.String())
}
return
default:
}
// Create a new logger that logs output to stdout.
var logger *log.Logger
switch *logto {