/usr/share/ada/adainclude/aws/aws-smtp.adb is in libaws3.3.2-dev 3.3.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- Ada Web Server --
-- --
-- Copyright (C) 2000-2014, 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. --
------------------------------------------------------------------------------
with Ada.Strings.Fixed;
with AWS.Net.Buffered;
with AWS.Utils;
package body AWS.SMTP is
use Ada;
C_211 : aliased constant String := "System status";
C_214 : aliased constant String := "Help message";
C_220 : aliased constant String := "AdaSC Service ready";
C_221 : aliased constant String := "Service closing transmission channel";
C_235 : aliased constant String := "Authentication successful";
C_250 : aliased constant String := "Requested mail action okay, completed";
C_251 : aliased constant String := "User not local; will forward";
C_334 : aliased constant String := "Provide BASE64 watchword";
C_354 : aliased constant String :=
"Start mail input; end with <CRLF>.<CRLF>";
C_421 : aliased constant String :=
"Service not available, closing transmission channel";
C_450 : aliased constant String :=
"Requested mail action not taken: mailbox unavailable";
C_451 : aliased constant String :=
"Requested action aborted: local error in processing";
C_452 : aliased constant String :=
"Requested action not taken: insufficient system storage";
C_500 : aliased constant String := "Syntax error, command unrecognized";
C_501 : aliased constant String :=
"Syntax error in parameters or arguments";
C_502 : aliased constant String := "Command not implemented";
C_503 : aliased constant String := "Bad sequence of commands";
C_504 : aliased constant String := "Command parameter not implemented";
C_550 : aliased constant String :=
"Requested action not taken: mailbox unavailable";
C_551 : aliased constant String :=
"User not local; please try <forward-path>";
C_552 : aliased constant String :=
"Requested mail action aborted: exceeded storage allocation";
C_553 : aliased constant String :=
"Requested action not taken: mailbox name not allowed";
C_554 : aliased constant String := "Transaction failed";
type Reply_Code_Data is record
Code : Reply_Code;
Name : not null access constant String;
end record;
Code_Table : constant array (Positive range <>) of Reply_Code_Data :=
((211, C_211'Access), (214, C_214'Access), (220, C_220'Access),
(221, C_221'Access), (235, C_235'Access), (334, C_334'Access),
(250, C_250'Access), (251, C_251'Access), (354, C_354'Access),
(421, C_421'Access), (450, C_450'Access), (451, C_451'Access),
(452, C_452'Access), (500, C_500'Access), (501, C_501'Access),
(502, C_502'Access), (503, C_503'Access), (504, C_504'Access),
(550, C_550'Access), (551, C_551'Access), (552, C_552'Access),
(553, C_553'Access), (554, C_554'Access));
---------
-- Add --
---------
procedure Add (Answer : in out Server_Reply; Status : in out SMTP.Status) is
begin
Utils.Append_With_Sep
(Status.Reason, Image (Answer), Sep => String'(1 => ASCII.LF));
Status.Code := Answer.Code;
end Add;
------------------
-- Check_Answer --
------------------
procedure Check_Answer
(Sock : Net.Socket_Type'Class;
Reply : out Server_Reply)
is
Buffer : constant String := Net.Buffered.Get_Line (Sock);
begin
Reply :=
(Reply_Code'Value (Buffer (Buffer'First .. Buffer'First + 2)),
To_Unbounded_String (Buffer (Buffer'First + 4 .. Buffer'Last)));
end Check_Answer;
-----------
-- Clear --
-----------
procedure Clear (Status : in out SMTP.Status) is
begin
Status := (Requested_Action_Ok, Null_Unbounded_String);
end Clear;
------------
-- E_Mail --
------------
function E_Mail (Name : String; Address : String)
return E_Mail_Data is
begin
return (To_Unbounded_String (Name), To_Unbounded_String (Address));
end E_Mail;
-----------
-- Image --
-----------
function Image (R : Reply_Code) return String is
RI : constant String := Reply_Code'Image (R);
begin
for K in Code_Table'Range loop
if Code_Table (K).Code = R then
return RI (RI'First + 1 .. RI'Last);
end if;
end loop;
raise Reply_Code_Error;
end Image;
function Image
(E_Mail : E_Mail_Data;
Mode : Address_Mode := Full) return String is
begin
case Mode is
when Full =>
return To_String (E_Mail.Name)
& " <" & To_String (E_Mail.Address) & '>';
when Name =>
return To_String (E_Mail.Name);
when Address =>
return To_String (E_Mail.Address);
end case;
end Image;
function Image (Answer : Server_Reply) return String is
Code_Image : constant String := Reply_Code'Image (Answer.Code);
begin
return Code_Image (Code_Image'First + 1 .. Code_Image'Last)
& ' ' & To_String (Answer.Reason);
end Image;
----------------
-- Initialize --
----------------
function Initialize
(Server_Name : String;
Port : Positive := Default_SMTP_Port;
Secure : Boolean := False;
Family : Net.Family_Type := Net.Family_Unspec;
Credential : access constant Authentication.Credential'Class := null)
return Receiver is
begin
return (Family, To_Unbounded_String (Server_Name), Port, Secure, null,
Credential);
end Initialize;
-----------
-- Is_Ok --
-----------
function Is_Ok (Status : SMTP.Status) return Boolean is
begin
return Status.Reason = Null_Unbounded_String;
end Is_Ok;
-------------
-- Message --
-------------
function Message (R : Reply_Code) return String is
begin
return Image (R) & ' ' & Name (R);
end Message;
----------
-- Name --
----------
function Name (R : Reply_Code) return String is
begin
for K in Code_Table'Range loop
if Code_Table (K).Code = R then
return Code_Table (K).Name.all;
end if;
end loop;
raise Reply_Code_Error;
end Name;
-----------
-- Parse --
-----------
function Parse (E_Mail : String) return E_Mail_Data is
use Strings.Fixed;
I1, I2 : Natural;
begin
I1 := Index (E_Mail, "<");
I2 := Index (E_Mail, ">");
if I1 = 0 or else I2 = 0 or else I1 > I2 then
I1 := Index (E_Mail, "(");
I2 := Index (E_Mail, ")");
if I1 = 0 or else I2 = 0 or else I1 > I2 then
raise Constraint_Error;
else
-- Syntax: e-mail (Name)
return SMTP.E_Mail
(Address => Trim (E_Mail (E_Mail'First .. I1 - 1), Strings.Both),
Name => Trim (E_Mail (I1 + 1 .. I2 - 1), Strings.Both));
end if;
else
-- Syntax: Name <e-mail>
return SMTP.E_Mail
(Name => Trim (E_Mail (E_Mail'First .. I1 - 1), Strings.Both),
Address => Trim (E_Mail (I1 + 1 .. I2 - 1), Strings.Both));
end if;
end Parse;
-----------------
-- Status_Code --
-----------------
function Status_Code (Status : SMTP.Status) return Reply_Code is
begin
return Status.Code;
end Status_Code;
--------------------
-- Status_Message --
--------------------
function Status_Message (Status : SMTP.Status) return String is
begin
return To_String (Status.Reason);
end Status_Message;
end AWS.SMTP;
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