mirror of https://github.com/XTLS/Xray-core
50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
package dns
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"github.com/xtls/xray-core/common/errors"
|
|
"github.com/xtls/xray-core/common/log"
|
|
"github.com/xtls/xray-core/common/net"
|
|
"github.com/xtls/xray-core/features/dns"
|
|
"github.com/xtls/xray-core/features/dns/localdns"
|
|
)
|
|
|
|
// LocalNameServer is an wrapper over local DNS feature.
|
|
type LocalNameServer struct {
|
|
client *localdns.Client
|
|
}
|
|
|
|
// QueryIP implements Server.
|
|
func (s *LocalNameServer) QueryIP(ctx context.Context, domain string, option dns.IPOption) (ips []net.IP, ttl uint32, err error) {
|
|
|
|
start := time.Now()
|
|
ips, ttl, err = s.client.LookupIP(domain, option)
|
|
|
|
if len(ips) > 0 {
|
|
errors.LogInfo(ctx, "Localhost got answer: ", domain, " -> ", ips)
|
|
log.Record(&log.DNSLog{Server: s.Name(), Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
// Name implements Server.
|
|
func (s *LocalNameServer) Name() string {
|
|
return "localhost"
|
|
}
|
|
|
|
// NewLocalNameServer creates localdns server object for directly lookup in system DNS.
|
|
func NewLocalNameServer() *LocalNameServer {
|
|
errors.LogInfo(context.Background(), "DNS: created localhost client")
|
|
return &LocalNameServer{
|
|
client: localdns.New(),
|
|
}
|
|
}
|
|
|
|
// NewLocalDNSClient creates localdns client object for directly lookup in system DNS.
|
|
func NewLocalDNSClient(ipOption dns.IPOption) *Client {
|
|
return &Client{server: NewLocalNameServer(), ipOption: &ipOption}
|
|
}
|