DomainNameOption.cs 1.8 KB

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  1. /*
  2. Technitium DNS Server
  3. Copyright (C) 2024 Shreyas Zare (shreyas@technitium.com)
  4. This program is free software: you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation, either version 3 of the License, or
  7. (at your option) any later version.
  8. This program is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. GNU General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program. If not, see <http://www.gnu.org/licenses/>.
  14. */
  15. using System.IO;
  16. using System.Text;
  17. using TechnitiumLibrary.IO;
  18. namespace DnsServerCore.Dhcp.Options
  19. {
  20. class DomainNameOption : DhcpOption
  21. {
  22. #region variables
  23. string _domainName;
  24. #endregion
  25. #region constructor
  26. public DomainNameOption(string domainName)
  27. : base(DhcpOptionCode.DomainName)
  28. {
  29. _domainName = domainName;
  30. }
  31. public DomainNameOption(Stream s)
  32. : base(DhcpOptionCode.DomainName, s)
  33. { }
  34. #endregion
  35. #region protected
  36. protected override void ParseOptionValue(Stream s)
  37. {
  38. if (s.Length < 1)
  39. throw new InvalidDataException();
  40. _domainName = Encoding.ASCII.GetString(s.ReadExactly((int)s.Length));
  41. }
  42. protected override void WriteOptionValue(Stream s)
  43. {
  44. s.Write(Encoding.ASCII.GetBytes(_domainName));
  45. }
  46. #endregion
  47. #region properties
  48. public string DomainName
  49. { get { return _domainName; } }
  50. #endregion
  51. }
  52. }