frp/vendor/github.com/armon/go-socks5/resolver.go
2017-07-01 16:09:09 +08:00

24 lines
530 B
Go

package socks5
import (
"net"
"golang.org/x/net/context"
)
// NameResolver is used to implement custom name resolution
type NameResolver interface {
Resolve(ctx context.Context, name string) (context.Context, net.IP, error)
}
// DNSResolver uses the system DNS to resolve host names
type DNSResolver struct{}
func (d DNSResolver) Resolve(ctx context.Context, name string) (context.Context, net.IP, error) {
addr, err := net.ResolveIPAddr("ip", name)
if err != nil {
return ctx, nil, err
}
return ctx, addr.IP, err
}