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Function Body: (Source => Stream_Element_Array, Target => Domain_Section);
begin
Domain_Name := Domain_Name & To_Domain_Section (Raw_Data.all
(Offset .. Stream_Element_Offset (Section_Length)));
Offset := Offset + Stream_Element_Offset (Section_Length);
Function Definition: function Get_Byte_Fixed_Header is new Ada.Unchecked_Conversion
Function Body: (Source => Stream_Element_Array, Target => Packer_Pointer);
begin
-- Oh, and for more fuckery, the pointer is 16-bit ...
Packet_Ptr := Get_Byte_Fixed_Header (Raw_Data.all
(Offset .. Offset + 1)); -- Make the top bytes vanish
-- We subtract 12-1 for the packet header
Packet_Ptr.Packet_Offset :=
(Packet_Ptr.Packet_Offset and 16#3fff#) - 11;
-- Sanity check ourselves
if (Section_Length and 2#11#) /= 0
then
-- Should never happen but you never know ...
raise Unknown_Compression_Method;
end if;
-- Now we need to decode the whole old string ... ugh
Decompressed_Domain_String :=
Parse_DNS_Packet_Name_Records
(Raw_Data,
Stream_Element_Offset (Packet_Ptr.Packet_Offset));
Offset := Offset + 2;
return Domain_Name & Decompressed_Domain_String;
Function Definition: function To_RData is new Ada.Unchecked_Conversion
Function Body: (Source => Stream_Element_Array, Target => RData);
begin
Parsed_Response.RData := To_Unbounded_String (To_RData (Raw_Data
(Offset .. Stream_Element_Offset (RData_Length))));
Offset := Offset + Stream_Element_Offset (RData_Length);
Function Definition: procedure Start_Server is
Function Body: -- Input and Output Sockets
Capture_Config : DNSCatcher.Config.Configuration;
DNS_Transactions : DNSCatcher.DNS.Transaction_Manager
.DNS_Transaction_Manager_Task;
Receiver_Interface : DNSCatcher.Network.UDP.Receiver
.UDP_Receiver_Interface;
Sender_Interface : DNSCatcher.Network.UDP.Sender.UDP_Sender_Interface;
Logger_Task : DNSCatcher.Utils.Logger.Logger;
Transaction_Manager_Ptr : DNS_Transaction_Manager_Task_Ptr;
Socket : Socket_Type;
Logger_Packet : DNSCatcher.Utils.Logger.Logger_Message_Packet_Ptr;
procedure Free_Transaction_Manager is new Ada.Unchecked_Deallocation
(Object => DNS_Transaction_Manager_Task,
Name => DNS_Transaction_Manager_Task_Ptr);
begin
-- Load the config file from disk
DNSCatcher.Config.Initialize (Capture_Config);
DNSCatcher.Config.Read_Cfg_File
(Capture_Config, "conf/dnscatcherd.conf");
-- Configure the logger
Capture_Config.Logger_Config.Log_Level := DEBUG;
Capture_Config.Logger_Config.Use_Color := True;
Logger_Task.Initialize (Capture_Config.Logger_Config);
Transaction_Manager_Ptr := new DNS_Transaction_Manager_Task;
-- Connect the packet queue and start it all up
Logger_Task.Start;
Logger_Packet := new DNSCatcher.Utils.Logger.Logger_Message_Packet;
Logger_Packet.Log_Message (NOTICE, "DNSCatcher starting up ...");
DNSCatcher.Utils.Logger.Logger_Queue.Add_Packet (Logger_Packet);
-- Socket has to be shared between receiver and sender. This likely needs
-- to move to to a higher level class
begin
Create_Socket
(Socket => Socket,
Mode => Socket_Datagram);
Set_Socket_Option
(Socket => Socket,
Level => IP_Protocol_For_IP_Level,
Option => (GNAT.Sockets.Receive_Timeout, Timeout => 1.0));
Bind_Socket
(Socket => Socket,
Address =>
(Family => Family_Inet, Addr => Any_Inet_Addr,
Port => Capture_Config.Local_Listen_Port));
exception
when Exp_Error : GNAT.Sockets.Socket_Error =>
begin
Logger_Packet :=
new DNSCatcher.Utils.Logger.Logger_Message_Packet;
Logger_Packet.Log_Message
(ERROR, "Socket error: " & Exception_Information (Exp_Error));
Logger_Packet.Log_Message (ERROR, "Refusing to start!");
Logger_Queue.Add_Packet (Logger_Packet);