如何使用Indy在DNS中查找LDAP服务器?

4
1个回答

6

简单:

program SO18309621;

{$APPTYPE CONSOLE}

uses
  IdDNSResolver,
  SysUtils;

var
  Dns : TIdDNSResolver;
  Rec : TResultRecord;
  Srv : TSRVRecord;
  Index : Integer;
begin
  try
    Dns := TIdDNSResolver.Create;
    try
      Dns.Host := 'mydnsserver.mydomain';
      Dns.QueryType := [qtService];
      Dns.Resolve('_ldap._tcp.mydomain');
      for Index := 0 to Dns.QueryResult.Count - 1 do
      begin
        Rec := Dns.QueryResult[Index];
        if Rec is TSRVRecord then
        begin
          Srv := TSRVRecord(Rec);
          Writeln('Target=', Srv.Target, ', Port=', Srv.Port, ', Priority=', Srv.Priority, ', Weight=', Srv.Weight);
        end;
      end;
    finally
      Dns.Free;
    end;
  except
    on E: Exception do
      Writeln(E.ClassName, ': ', E.Message);
  end;
end.

只是出于好奇,程序名称SO18309621是从哪里来的? - RBA
4
实际上,David Heffernan 开始做这件事(用 Stack Overflow 帖子 ID 命名项目),我只是一个模仿者 :). - whosrdaddy

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