Ruakij/wg-ipv6-converter
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Merge branch 'dev'

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This commit is contained in:
Ruakij 2023-04-12 20:00:16 +02:00
commit 80ee221226
1 changed files with 119 additions and 119 deletions
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36
cmd/app/main.go
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@ -26,7 +26,7 @@ var envDefaults = map[string]string{
func main() {
// Environment-vars
err := envChecks.HandleRequired(envRequired)
if(err != nil){
if err != nil {
logger.Error.Fatal(err)
}
envChecks.HandleDefaults(envDefaults)
@ -39,7 +39,7 @@ func main() {
}
ipv6Format := os.Getenv("IPV6_FORMAT")
ipv6TestStr := *convertIPv4ToIPv6(&ipv6Format, &net.IPNet{IP: net.IPv4(1,1,1,1), Mask: net.CIDRMask(24, net.IPv4len)})
ipv6TestStr := *convertIPv4ToIPv6(&ipv6Format, &net.IPNet{IP: net.IPv4(1, 1, 1, 1), Mask: net.CIDRMask(24, net.IPv4len)})
_, err = netlink.ParseIPNet(ipv6TestStr)
if err != nil {
logger.Error.Fatalf("IPV6_FORMAT is invalid: %s", err)
@ -53,7 +53,16 @@ func main() {
logger.Error.Fatalf("Couldn't parse RECHECK_INTERVAL '%s': %s", checkIntervalStr, err)
}
// Get the IPv4 address of the interface
// Create a WireGuard client
client, err := wgctrl.New()
if err != nil {
logger.Error.Fatal(err)
}
defer client.Close()
// Loop indefinitely
for {
// Get the IPv4 addresses of the interface
addrs, err := netlink.AddrList(netInterface, netlink.FAMILY_V4)
if err != nil {
logger.Error.Fatal(err)
@ -82,24 +91,15 @@ func main() {
case os.IsExist(err):
logger.Warn.Println("Address is already set on interface")
default:
logger.Warn.Printf("Failed to set address on interface: %v", err)
logger.Error.Fatalf("Failed to set address on interface: %v", err)
}
}
processedCount++
}
if(processedCount != len(addrs)) {
if processedCount != len(addrs) {
logger.Warn.Printf("Not all Interface-Addresses were processed. Summary: %d processed, %d filtered, %d failed", processedCount, filteredCount, len(addrs)-processedCount-filteredCount)
}
// Create a WireGuard client
client, err := wgctrl.New()
if err != nil {
logger.Error.Fatal(err)
}
defer client.Close()
// Loop indefinitely
for {
// Get the WireGuard peers on the interface
wgDevice, err := client.Device(iface)
if err != nil {
@ -135,7 +135,7 @@ func main() {
}
}
if(len(addAllowedIPs) > 0){
if len(addAllowedIPs) > 0 {
// Create peer-config
peerConfig := wgtypes.PeerConfig{
PublicKey: peer.PublicKey,
@ -147,11 +147,11 @@ func main() {
}
}
if(len(wgConfig.Peers) == 0){
if len(wgConfig.Peers) == 0 {
logger.Info.Println("No changes, skipping")
} else {
err = client.ConfigureDevice(iface, wgConfig)
if(err != nil){
if err != nil {
logger.Error.Fatalf("Error configuring wg-device '%s': %s", iface, err)
}
}
@ -161,7 +161,7 @@ func main() {
}
}
func convertIPv4ToIPv6(ipv6Format *string, ipv4 *net.IPNet) (*string) {
func convertIPv4ToIPv6(ipv6Format *string, ipv4 *net.IPNet) *string {
CIDR, _ := ipv4.Mask.Size()
// Run format
ipv6Str := fmt.Sprintf(*ipv6Format, (*ipv4).IP[0], (*ipv4).IP[1], (*ipv4).IP[2], (*ipv4).IP[3], net.IPv6len*8-(net.IPv4len*8-CIDR))