safing-portmaster/netenv/addresses.go
2020-04-02 17:08:02 +02:00

46 lines
1 KiB
Go

package netenv
import (
"net"
"strings"
"github.com/safing/portmaster/network/netutils"
)
// GetAssignedAddresses returns the assigned IPv4 and IPv6 addresses of the host.
func GetAssignedAddresses() (ipv4 []net.IP, ipv6 []net.IP, err error) {
addrs, err := net.InterfaceAddrs()
if err != nil {
return nil, nil, err
}
for _, addr := range addrs {
ip := net.ParseIP(strings.Split(addr.String(), "/")[0])
if ip != nil {
if ip4 := ip.To4(); ip4 != nil {
ipv4 = append(ipv4, ip4)
} else {
ipv6 = append(ipv6, ip)
}
}
}
return
}
// GetAssignedGlobalAddresses returns the assigned global IPv4 and IPv6 addresses of the host.
func GetAssignedGlobalAddresses() (ipv4 []net.IP, ipv6 []net.IP, err error) {
allv4, allv6, err := GetAssignedAddresses()
if err != nil {
return nil, nil, err
}
for _, ip4 := range allv4 {
if netutils.IPIsGlobal(ip4) {
ipv4 = append(ipv4, ip4)
}
}
for _, ip6 := range allv6 {
if netutils.IPIsGlobal(ip6) {
ipv6 = append(ipv6, ip6)
}
}
return
}