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151 | ------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2014, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU General Public License as published by the --
-- Free Software Foundation; either version 3, or (at your option) any --
-- later version. This library is distributed in the hope that it will be --
-- useful, but WITHOUT ANY WARRANTY; without even the implied warranty of --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are --
-- granted additional permissions described in the GCC Runtime Library --
-- Exception, version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
------------------------------------------------------------------------------
pragma Ada_2012;
with Ada.Directories;
with Ada.Unchecked_Deallocation;
with AWS.Config;
package body AWS.Net.SSL.RSA_DH_Generators is
task type RSA_DH_Generator
(DH : Boolean; Logging : access procedure (Text : String));
type RSA_DH_Generator_Access is access all RSA_DH_Generator;
RSA_DH_Worker : RSA_DH_Generator_Access;
procedure Unchecked_Free is new Ada.Unchecked_Deallocation
(RSA_DH_Generator, RSA_DH_Generator_Access);
Single_Task : Utils.Test_And_Set;
-------------------------
-- Parameters_Filename --
-------------------------
function Parameters_Filename
(Kind : String; Exist : Boolean) return String
is
Filename : constant String :=
Directories.Compose
(AWS.Config.Config_Directory,
"aws-" & Kind & ".pem");
begin
if Exist then
if Directories.Exists (Filename) then
return Filename;
else
Log_Error ("File " & Filename & " does not exist");
return "";
end if;
elsif not Directories.Exists (AWS.Config.Config_Directory) then
Directories.Create_Path (AWS.Config.Config_Directory);
end if;
return Filename;
end Parameters_Filename;
----------------------
-- RSA_DH_Generator --
----------------------
task body RSA_DH_Generator is
use type Ada.Calendar.Time;
Stamp : Ada.Calendar.Time;
begin
if Logging /= null then
Stamp := Ada.Calendar.Clock;
end if;
Generate_RSA;
if Logging /= null then
Logging ("RSA" & Duration'Image (Ada.Calendar.Clock - Stamp));
end if;
if DH then
if Logging /= null then
Stamp := Ada.Calendar.Clock;
end if;
Generate_DH;
if Logging /= null then
Logging ("DH" & Duration'Image (Ada.Calendar.Clock - Stamp));
end if;
end if;
Single_Task.Unlock;
exception
when E : others =>
Log_Error (Exceptions.Exception_Message (E));
Single_Task.Unlock;
end RSA_DH_Generator;
---------------------------------
-- Start_Parameters_Generation --
---------------------------------
procedure Start_Parameters_Generation
(DH : Boolean; Logging : access procedure (Text : String) := null)
is
OK : Boolean;
Cnt : Natural := 8;
begin
Single_Task.Try_Lock (OK);
if not OK then
if Logging /= null then
Logging ("Generation task already running");
end if;
return;
end if;
while RSA_DH_Worker /= null and then not RSA_DH_Worker'Terminated loop
delay 0.125;
Cnt := Cnt - 1;
if Cnt = 0 then
raise Program_Error with "Generation task is not terminating";
end if;
end loop;
Unchecked_Free (RSA_DH_Worker);
RSA_DH_Worker := new RSA_DH_Generator (DH, Logging);
end Start_Parameters_Generation;
end AWS.Net.SSL.RSA_DH_Generators;
|