Files
gluetun/internal/updater/providers/nordvpn/ip.go
Quentin McGaw e8e7b83297 Maintenance: refactor servers updater code
- Require at least 80% of number of servers now to pass
- Each provider is in its own package with a common structure
- Unzip package with unzipper interface
- Openvpn package with extraction and download functions
2021-05-08 00:59:42 +00:00

17 lines
284 B
Go

package nordvpn
import (
"fmt"
"net"
)
func parseIPv4(s string) (ipv4 net.IP, err error) {
ip := net.ParseIP(s)
if ip == nil {
return nil, fmt.Errorf("%w: %q", ErrParseIP, s)
} else if ip.To4() == nil {
return nil, fmt.Errorf("%w: %s", ErrNotIPv4, ip)
}
return ip, nil
}