Ruakij/wg-ipv6-converter
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go-format

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This commit is contained in:
Ruakij 2023-04-12 19:58:51 +02:00
parent 0d6564448a
commit 9b0ed5a51b
1 changed files with 119 additions and 120 deletions
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13
cmd/app/main.go
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@ -26,7 +26,7 @@ var envDefaults = map[string]string{
func main() { func main() {
// Environment-vars // Environment-vars
err := envChecks.HandleRequired(envRequired) err := envChecks.HandleRequired(envRequired)
if(err != nil){ if err != nil {
logger.Error.Fatal(err) logger.Error.Fatal(err)
} }
envChecks.HandleDefaults(envDefaults) envChecks.HandleDefaults(envDefaults)
@ -39,7 +39,7 @@ func main() {
} }
ipv6Format := os.Getenv("IPV6_FORMAT") 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) _, err = netlink.ParseIPNet(ipv6TestStr)
if err != nil { if err != nil {
logger.Error.Fatalf("IPV6_FORMAT is invalid: %s", err) logger.Error.Fatalf("IPV6_FORMAT is invalid: %s", err)
@ -100,7 +100,6 @@ func main() {
logger.Warn.Printf("Not all Interface-Addresses were processed. Summary: %d processed, %d filtered, %d failed", processedCount, filteredCount, len(addrs)-processedCount-filteredCount) logger.Warn.Printf("Not all Interface-Addresses were processed. Summary: %d processed, %d filtered, %d failed", processedCount, filteredCount, len(addrs)-processedCount-filteredCount)
} }
// Get the WireGuard peers on the interface // Get the WireGuard peers on the interface
wgDevice, err := client.Device(iface) wgDevice, err := client.Device(iface)
if err != nil { if err != nil {
@ -136,7 +135,7 @@ func main() {
} }
} }
if(len(addAllowedIPs) > 0){ if len(addAllowedIPs) > 0 {
// Create peer-config // Create peer-config
peerConfig := wgtypes.PeerConfig{ peerConfig := wgtypes.PeerConfig{
PublicKey: peer.PublicKey, PublicKey: peer.PublicKey,
@ -148,11 +147,11 @@ func main() {
} }
} }
if(len(wgConfig.Peers) == 0){ if len(wgConfig.Peers) == 0 {
logger.Info.Println("No changes, skipping") logger.Info.Println("No changes, skipping")
} else { } else {
err = client.ConfigureDevice(iface, wgConfig) err = client.ConfigureDevice(iface, wgConfig)
if(err != nil){ if err != nil {
logger.Error.Fatalf("Error configuring wg-device '%s': %s", iface, err) logger.Error.Fatalf("Error configuring wg-device '%s': %s", iface, err)
} }
} }
@ -162,7 +161,7 @@ func main() {
} }
} }
func convertIPv4ToIPv6(ipv6Format *string, ipv4 *net.IPNet) (*string) { func convertIPv4ToIPv6(ipv6Format *string, ipv4 *net.IPNet) *string {
CIDR, _ := ipv4.Mask.Size() CIDR, _ := ipv4.Mask.Size()
// Run format // 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)) ipv6Str := fmt.Sprintf(*ipv6Format, (*ipv4).IP[0], (*ipv4).IP[1], (*ipv4).IP[2], (*ipv4).IP[3], net.IPv6len*8-(net.IPv4len*8-CIDR))