github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/dns/sytemcfg_android.go (about)

     1  //go:build android
     2  
     3  /*
     4   * Copyright (C) 2019 The "MysteriumNetwork/node" Authors.
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License as published by
     8   * the Free Software Foundation, either version 3 of the License, or
     9   * (at your option) any later version.
    10   *
    11   * This program is distributed in the hope that it will be useful,
    12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14   * GNU General Public License for more details.
    15   *
    16   * You should have received a copy of the GNU General Public License
    17   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    18   */
    19  
    20  package dns
    21  
    22  import (
    23  	"github.com/miekg/dns"
    24  )
    25  
    26  // configuration returns the system DNS configuration.
    27  func configuration() (*dns.ClientConfig, error) {
    28  	config := dns.ClientConfig{
    29  		Servers:  []string{"8.8.8.8", "8.8.4.4"},
    30  		Port:     "53",
    31  		Ndots:    1,
    32  		Timeout:  5,
    33  		Attempts: 2,
    34  	}
    35  	return &config, nil
    36  }
    37  
    38  // ConfiguredServers returns DNS server IPs from the system DNS configuration.
    39  func ConfiguredServers() ([]string, error) {
    40  	config, err := configuration()
    41  	if err != nil {
    42  		return nil, err
    43  	}
    44  	return config.Servers, nil
    45  }