mirror of
https://github.com/XTLS/Xray-core.git
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53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
package dns
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import (
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"context"
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"github.com/xtls/xray-core/common/net"
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"github.com/xtls/xray-core/features/dns"
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"github.com/xtls/xray-core/features/dns/localdns"
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)
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// LocalNameServer is an wrapper over local DNS feature.
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type LocalNameServer struct {
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client *localdns.Client
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}
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// QueryIP implements Server.
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func (s *LocalNameServer) QueryIP(_ context.Context, domain string, _ net.IP, option dns.IPOption, _ CacheStrategy) ([]net.IP, error) {
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var ips []net.IP
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var err error
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switch {
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case option.IPv4Enable && option.IPv6Enable:
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ips, err = s.client.LookupIP(domain)
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case option.IPv4Enable:
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ips, err = s.client.LookupIPv4(domain)
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case option.IPv6Enable:
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ips, err = s.client.LookupIPv6(domain)
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}
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if len(ips) > 0 {
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newError("Localhost got answer: ", domain, " -> ", ips).AtInfo().WriteToLog()
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}
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return ips, err
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}
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// Name implements Server.
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func (s *LocalNameServer) Name() string {
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return "localhost"
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}
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// NewLocalNameServer creates localdns server object for directly lookup in system DNS.
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func NewLocalNameServer() *LocalNameServer {
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newError("DNS: created localhost client").AtInfo().WriteToLog()
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return &LocalNameServer{
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client: localdns.New(),
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}
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}
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// NewLocalDNSClient creates localdns client object for directly lookup in system DNS.
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func NewLocalDNSClient() *Client {
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return &Client{server: NewLocalNameServer()}
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}
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