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731 | -- --
-- package Copyright (c) Dmitry A. Kazakov --
-- GNAT.Sockets.Connection_State_Machine. Luebeck --
-- ASN1.Text_IO Summer, 2019 --
-- Implementation --
-- Last revision : 13:37 03 Aug 2019 --
-- --
-- This library is free software; you can redistribute it and/or --
-- modify it under the terms of the GNU General Public License as --
-- published by the Free Software Foundation; either version 2 of --
-- the License, 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. See the GNU --
-- General Public License for more details. You should have --
-- received a copy of the GNU General Public License along with --
-- this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. --
-- --
-- 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.Exceptions; use Ada.Exceptions;
with Ada.IO_Exceptions; use Ada.IO_Exceptions;
with Ada.Tags; use Ada.Tags;
with Strings_Edit.Floats; use Strings_Edit.Floats;
with Strings_Edit.Long_Floats; use Strings_Edit.Long_Floats;
with Strings_Edit.Integers; use Strings_Edit.Integers;
with Strings_Edit.Time_Conversions; use Strings_Edit.Time_Conversions;
with GNAT.Sockets.Connection_State_Machine.ASN1.Booleans;
with GNAT.Sockets.Connection_State_Machine.ASN1.Bit_Strings.Implicit;
with GNAT.Sockets.Connection_State_Machine.ASN1.Dates;
with GNAT.Sockets.Connection_State_Machine.ASN1.Distinguished_Names;
with GNAT.Sockets.Connection_State_Machine.ASN1.Floats;
with GNAT.Sockets.Connection_State_Machine.ASN1.Indefinite_Unsigneds;
with GNAT.Sockets.Connection_State_Machine.ASN1.Integers_8;
with GNAT.Sockets.Connection_State_Machine.ASN1.Integers_16;
with GNAT.Sockets.Connection_State_Machine.ASN1.Integers_32;
with GNAT.Sockets.Connection_State_Machine.ASN1.Integers_64;
with GNAT.Sockets.Connection_State_Machine.ASN1.Long_Floats;
with GNAT.Sockets.Connection_State_Machine.ASN1.Nulls;
with GNAT.Sockets.Connection_State_Machine.ASN1.Object_Identifiers;
with GNAT.Sockets.Connection_State_Machine.ASN1.Objects;
with GNAT.Sockets.Connection_State_Machine.ASN1.Strings.Implicit;
with GNAT.Sockets.Connection_State_Machine.ASN1.Unsigneds_8;
with GNAT.Sockets.Connection_State_Machine.ASN1.Unsigneds_16;
with GNAT.Sockets.Connection_State_Machine.ASN1.Unsigneds_32;
with GNAT.Sockets.Connection_State_Machine.ASN1.Unsigneds_64;
with GNAT.Sockets.Connection_State_Machine.ASN1.Choices;
use GNAT.Sockets.Connection_State_Machine.ASN1.Choices;
with Strings_Edit.Distinguished_Names;
use Strings_Edit.Distinguished_Names;
with Strings_Edit.Object_Identifiers;
use Strings_Edit.Object_Identifiers;
with Ada.Unchecked_Conversion;
with System.Address_To_Access_Conversions;
package body GNAT.Sockets.Connection_State_Machine.ASN1.Text_IO is
Extra : constant := 40;
function To_String (Value : Duration) return String is
begin
return Image (Long_Float (Value), AbsSmall => -3) & "s";
end To_String;
procedure Put
( Item : ASN1_Data_Item'Class;
Prefix : String := "";
Wrap : Positive_Count := 72
) is
begin
Put (Standard_Output, Item, Prefix);
end Put;
procedure Put
( File : File_Type;
Item : ASN1_Data_Item'Class;
Prefix : String := "";
Wrap : Positive_Count := 72
) is
procedure Dump_Bit_String
( Value : ASN1.Bit_Strings.Boolean_Array
) is
From : Positive_Count;
To : Positive_Count;
Pointer : Integer := Value'First;
begin
if Value'Length = 0 then
Put_Line (File, "<empty>");
return;
end if;
Put (File, " ");
From := Col (File);
To := Positive_Count'Max (Wrap, From + Extra) - 1;
while Pointer <= Value'Last loop
if Pointer > Value'First then
Set_Col (File, From);
end if;
for Count in Positive_Count'Range loop
if Count > 1 then
if (Count + 3) mod 4 = 0 then
Put (File, "_");
end if;
end if;
if Value (Pointer) then
Put (File, "1");
else
Put (File, "0");
end if;
Pointer := Pointer + 1;
exit when Pointer > Value'Last
or else Col (File) + 4 - (Count mod 4) > To;
end loop;
New_Line (File);
end loop;
end Dump_Bit_String;
procedure Dump_Child
( Item : Data_Item'Class;
Prefix : String
) is
begin
if Item in ASN1_Data_Item'Class then
Put
( File,
ASN1_Data_Item'Class (Item),
Prefix,
Wrap
);
elsif Item in ASN1.Choices.Choice_Data_Item'Class then
Put_Line (File, Prefix & "CHOICE");
Put
( File,
ASN1_Data_Item'Class
( ASN1.Choices.Resolve_Selected
( ASN1.Choices.Choice_Data_Item'Class (Item)
) .all
),
Prefix & " ",
Wrap
);
else
Put_Line
( File,
Prefix & Ada.Tags.Expanded_Name (Item'Tag)
);
end if;
end Dump_Child;
procedure Dump_Integer (Value : Stream_Element_Array) is
From : Positive_Count;
To : Positive_Count;
Pointer : Stream_Element_Offset := Value'First;
Buffer : String (1..2);
Index : Integer;
begin
if Value'Length = 0 then
Put_Line (File, "0");
return;
end if;
Put (File, " 16#");
From := Col (File);
To := Positive_Count'Max (Wrap, From + Extra) - 1;
while Pointer <= Value'Last loop
if Pointer > Value'First then
Set_Col (File, From);
end if;
for Count in Positive_Count'Range loop
if Count > 1 then
if (Count + 4) mod 5 = 0 then
Put (File, "_");
end if;
end if;
Index := 1;
Put
( Destination => Buffer,
Pointer => Index,
Value => Integer (Value (Pointer)),
Base => 16,
Justify => Strings_Edit.Right,
Fill => '0',
Field => 2
);
Put (File, Buffer);
Pointer := Pointer + 1;
exit when Pointer > Value'Last
or else Col (File) + 15 - (Count mod 5) * 3 > To;
end loop;
if Pointer > Value'Last then
Put_Line (File, "#");
else
New_Line (File);
end if;
end loop;
end Dump_Integer;
procedure Dump_Octet_String (Value : String) is
From : Positive_Count;
To : Positive_Count;
Pointer : Integer := Value'First;
Buffer : String (1..2);
Index : Integer;
begin
if Value'Length = 0 then
Put_Line (File, "<empty>");
return;
end if;
Put (File, " ");
From := Col (File);
To := Positive_Count'Max (Wrap, From + Extra) - 1;
while Pointer <= Value'Last loop
if Pointer > Value'First then
Set_Col (File, From);
end if;
for Count in Positive_Count'Range loop
if Count > 1 then
if (Count + 4) mod 5 = 0 then
Put (File, " ");
else
Put (File, " ");
end if;
end if;
Index := 1;
Put
( Destination => Buffer,
Pointer => Index,
Value => Character'Pos (Value (Pointer)),
Base => 16,
Justify => Strings_Edit.Right,
Fill => '0',
Field => 2
);
Put (File, Buffer);
Pointer := Pointer + 1;
exit when Pointer > Value'Last
or else Col (File) + 15 - (Count mod 5) * 3 > To;
end loop;
New_Line (File);
end loop;
end Dump_Octet_String;
procedure Dump_Children
( Children : Data_Item_Ptr_Array;
Prefix : String
) is
begin
for Index in Children'Range loop
Dump_Child (Children (Index).all, Prefix & " ");
end loop;
end Dump_Children;
procedure Dump_String (Value : String) is
From : Positive_Count;
Pointer : Integer := Value'First;
Length : Natural;
begin
if Value'Length = 0 then
New_Line (File);
return;
end if;
Put (File, " ");
From := Col (File);
Length :=
Natural
( Positive_Count'Max
( Wrap + 1,
From + Extra
)
- From
);
while Pointer <= Value'Last loop
Length := Integer'Min (Length, Value'Last + 1 - Pointer);
if Pointer > Value'First then
Set_Col (File, From);
end if;
Put_Line (File, Value (Pointer..Pointer + Length - 1));
Pointer := Pointer + Length;
end loop;
end Dump_String;
begin
if Item in ASN1.Objects.Any_Data_Item'Class then
declare
use ASN1.Objects;
This : Any_Data_Item'Class renames
Any_Data_Item'Class (Item);
begin
if Get_Tag (This).Class = Universal_Tag then
Put
( File,
ASN1_Data_Item'Class (Get (This).all),
Prefix,
Wrap
);
else
Put_Line (File, Prefix & Image (Get_Tag (This)));
Put
( File,
ASN1_Data_Item'Class (Get (This).all),
Prefix & " ",
Wrap
);
end if;
end;
return;
end if;
Put
( Prefix
& Image (Get_ASN1_Type (Item))
-- & " "
-- & Ada.Tags.Expanded_Name (Item'Tag)
);
case Get_ASN1_Type (Item) is
when Sequence_Tag | ASN1.Set_Tag =>
New_Line;
if Item in ASN1.ASN1_Tagged_List_Data_Item'Class then
declare
Sequence : ASN1.ASN1_Tagged_List_Data_Item'Class
renames ASN1.ASN1_Tagged_List_Data_Item'Class
( Item
);
Children : constant Data_Item_Ptr_Array :=
Get_Children (Item);
begin
for Index in Children'Range loop
if not Is_Set (Sequence, Integer (Index)) then
null;
elsif ( Is_Untagged (Sequence, Integer (Index))
or else
( Get_Tag (Sequence, Integer (Index)).Class
= Universal_Tag
) ) then
Dump_Child
( Children (Index).all,
Prefix & " "
);
else
Put_Line
( Prefix
& " "
& Image (Get_Tag (Sequence, Integer (Index)))
);
Dump_Child
( Children (Index).all,
Prefix & " "
);
end if;
end loop;
end;
else
Dump_Children (Get_Children (Item), Prefix);
end if;
when Bit_String_Tag =>
if Item in ASN1.Bit_Strings.Implicit.
Implicit_External_Bit_String_Data_Item'Class then
Dump_Bit_String
( ASN1.Bit_Strings.Implicit.Get_Value
( ASN1.Bit_Strings.Implicit.
Implicit_External_Bit_String_Data_Item'Class
( Item
) ) );
elsif Item in ASN1.Bit_Strings.Implicit.
Implicit_Bit_String_Data_Item'Class then
Dump_Bit_String
( ASN1.Bit_Strings.Implicit.Get_Value
( ASN1.Bit_Strings.Implicit.
Implicit_Bit_String_Data_Item'Class
( Item
) ) );
else
Put_Line
( File,
Ada.Tags.Expanded_Name (Item'Tag)
);
end if;
when Boolean_Tag =>
Put_Line
( File,
( " "
& Boolean'Image
( ASN1.Booleans.Get_Value
( ASN1.Booleans.Implicit_Boolean_Data_Item'Class
( Item
) ) ) ) );
when Date_Tag =>
Put_Line
( File,
( " "
& To_String
( ASN1.Dates.Get_Time
( ASN1.Dates.Public_Time_Data_Item
( Item
) ) ) ) );
when Date_Time_Tag =>
Put_Line
( File,
( " "
& To_String
( ASN1.Dates.Get_Time
( ASN1.Dates.Public_Time_Data_Item
( Item
) ) ) ) );
when Duration_Tag =>
Put_Line
( File,
( " "
& To_String
( ASN1.Dates.Get_Duration
( ASN1.Dates.Public_Duration_Data_Item
( Item
) ) ) ) );
when Generalized_Time_Tag =>
Put_Line
( File,
( " "
& To_String
( ASN1.Dates.Get_Time
( ASN1.Dates.Public_Time_Data_Item
( Item
) ) ) ) );
when Integer_Tag | Enumerated_Tag =>
if Item in
ASN1.Integers_64.Implicit_Integer_Data_Item'Class then
Put_Line
( File,
Interfaces.Integer_64'Image
( ASN1.Integers_64.Get_Value
( ASN1.Integers_64.
Implicit_Integer_Data_Item'Class
( Item
) ) ) );
elsif Item in
ASN1.Integers_32.Implicit_Integer_Data_Item'Class then
Put_Line
( File,
Interfaces.Integer_32'Image
( ASN1.Integers_32.Get_Value
( ASN1.Integers_32.
Implicit_Integer_Data_Item'Class
( Item
) ) ) );
elsif Item in
ASN1.Integers_16.Implicit_Integer_Data_Item'Class then
Put_Line
( File,
Interfaces.Integer_16'Image
( ASN1.Integers_16.Get_Value
( ASN1.Integers_16.
Implicit_Integer_Data_Item'Class
( Item
) ) ) );
elsif Item in
ASN1.Unsigneds_64.Implicit_Unsigned_Data_Item'Class then
Put_Line
( File,
Interfaces.Unsigned_64'Image
( ASN1.Unsigneds_64.Get_Value
( ASN1.Unsigneds_64.
Implicit_Unsigned_Data_Item'Class
( Item
) ) ) );
elsif Item in
ASN1.Unsigneds_32.Implicit_Unsigned_Data_Item'Class then
Put_Line
( File,
Interfaces.Unsigned_32'Image
( ASN1.Unsigneds_32.Get_Value
( ASN1.Unsigneds_32.
Implicit_Unsigned_Data_Item'Class
( Item
) ) ) );
elsif Item in
ASN1.Unsigneds_16.Implicit_Unsigned_Data_Item'Class then
Put_Line
( File,
Interfaces.Unsigned_16'Image
( ASN1.Unsigneds_16.Get_Value
( ASN1.Unsigneds_16.
Implicit_Unsigned_Data_Item'Class
( Item
) ) ) );
elsif Item in
ASN1.Unsigneds_8.Implicit_Unsigned_Data_Item'Class then
Put_Line
( File,
Interfaces.Unsigned_8'Image
( ASN1.Unsigneds_8.Get_Value
( ASN1.Unsigneds_8.
Implicit_Unsigned_Data_Item'Class
( Item
) ) ) );
elsif Item in
ASN1.Indefinite_Unsigneds.
Implicit_Indefinite_Unsigned_Data_Item'Class then
Dump_Integer
( ASN1.Indefinite_Unsigneds.Get_Value
( ASN1.Indefinite_Unsigneds.
Implicit_Indefinite_Unsigned_Data_Item'Class
( Item
) ) );
else
Put_Line
( File,
" " & Ada.Tags.Expanded_Name (Item'Tag)
);
end if;
when Octet_String_Tag =>
if Item in ASN1.Strings.Implicit.
Implicit_External_String_Data_Item'Class then
Dump_Octet_String
( ASN1.Strings.Implicit.Get_Value
( ASN1.Strings.Implicit.
Implicit_External_String_Data_Item'Class
( Item
) ) );
elsif Item in ASN1.Strings.
Public_String_Data_Item'Class then
Dump_Octet_String
( ASN1.Strings.Get_Value
( ASN1.Strings.Public_String_Data_Item'Class
( Item
) ) );
else
Put_Line
( File,
Ada.Tags.Expanded_Name (Item'Tag)
);
end if;
when Null_Tag =>
New_Line;
when Object_Identifier_Tag =>
if Item in ASN1.Object_Identifiers.
Implicit_OID_Data_Item'Class then
Dump_String
( Image
( ASN1.Object_Identifiers.Get_Value
( ASN1.Object_Identifiers.
Implicit_OID_Data_Item'Class
( Item
) ) ) );
elsif Item in ASN1.Object_Identifiers.
OID_Data_Item'Class then
Dump_String
( Image
( ASN1.Object_Identifiers.Get_Value
( ASN1.Object_Identifiers.OID_Data_Item'Class
( Item
) ) ) );
elsif Item in ASN1.Object_Identifiers.
Implicit_External_OID_Data_Item'Class then
Dump_String
( Image
( ASN1.Object_Identifiers.Get_Value
( ASN1.Object_Identifiers.
Implicit_External_OID_Data_Item'Class
( Item
) ) ) );
elsif Item in ASN1.Object_Identifiers.
External_OID_Data_Item'Class then
Dump_String
( Image
( ASN1.Object_Identifiers.Get_Value
( ASN1.Object_Identifiers.
External_OID_Data_Item'Class
( Item
) ) ) );
else
Put_Line
( File,
Ada.Tags.Expanded_Name (Item'Tag)
);
end if;
when Object_Descriptor_Tag =>
if Item in ASN1.Distinguished_Names.
Implicit_DN_Data_Item'Class then
Dump_String
( Image
( ASN1.Distinguished_Names.Get_Name
( ASN1.Distinguished_Names.
Implicit_DN_Data_Item'Class
( Item
) ) ) );
elsif Item in ASN1.Distinguished_Names.
DN_Data_Item'Class then
Dump_String
( Image
( ASN1.Distinguished_Names.Get_Name
( ASN1.Distinguished_Names.DN_Data_Item'Class
( Item
) ) ) );
elsif Item in ASN1.Distinguished_Names.
Implicit_External_DN_Data_Item'Class then
Dump_String
( Image
( ASN1.Distinguished_Names.Get_Name
( ASN1.Distinguished_Names.
Implicit_External_DN_Data_Item'Class
( Item
) ) ) );
elsif Item in ASN1.Distinguished_Names.
External_DN_Data_Item'Class then
Dump_String
( Image
( ASN1.Distinguished_Names.Get_Name
( ASN1.Distinguished_Names.
External_DN_Data_Item'Class
( Item
) ) ) );
else
Put_Line
( File,
Ada.Tags.Expanded_Name (Item'Tag)
);
end if;
when Real_Tag =>
if Item in ASN1.Long_Floats.
Implicit_Real_Data_Item'Class then
Put_Line
( File,
( " "
& Image
( ASN1.Long_Floats.Get_Value
( ASN1.Long_Floats.
Implicit_Real_Data_Item'Class
( Item
) ) ) ) );
elsif Item in ASN1.Floats.
Implicit_Real_Data_Item'Class then
Put_Line
( File,
( " "
& Image
( ASN1.Floats.Get_Value
( ASN1.Floats.Implicit_Real_Data_Item'Class
( Item
) ) ) ) );
else
Put_Line
( File,
Ada.Tags.Expanded_Name (Item'Tag)
);
end if;
when Relative_OID_Tag =>
Put_Line
( File,
( " "
& Strings_Edit.Object_Identifiers.Image
( ASN1.Object_Identifiers.Get_Value
( ASN1.Object_Identifiers.
Implicit_External_Relative_OID_Data_Item'Class
( Item
) ) ) ) );
when Time_Tag =>
Put_Line
( File,
( " "
& To_String
( ASN1.Dates.Get_Time
( ASN1.Dates.Public_Time_Data_Item
( Item
) ) ) ) );
when Time_Of_Day_Tag =>
Put_Line
( File,
( " "
& To_String
( ASN1.Dates.Get_Duration
( ASN1.Dates.Public_Duration_Data_Item
( Item
) ) ) ) );
when UTC_Time_Tag =>
Put_Line
( File,
( " "
& To_String
( ASN1.Dates.Get_Time
( ASN1.Dates.Public_Time_Data_Item (Item)
) ) ) );
when UTF8_String_Tag |
Printable_String_Tag |
Teletext_String_Tag |
Videotext_String_Tag |
IA5_String_Tag |
Graphic_String_Tag |
ISO646_String_Tag |
General_String_Tag |
Universal_String_Tag |
Character_String_Tag |
Numeric_String_Tag |
BMP_String_Tag =>
if Item in ASN1.Strings.Implicit.
Implicit_External_String_Data_Item'Class then
Dump_String
( ASN1.Strings.Implicit.Get_Value
( ASN1.Strings.Implicit.
Implicit_External_String_Data_Item'Class
( Item
) ) );
elsif Item in ASN1.Strings.
Public_String_Data_Item'Class then
Dump_String
( ASN1.Strings.Get_Value
( ASN1.Strings.Public_String_Data_Item'Class
( Item
) ) );
else
Put_Line
( File,
Ada.Tags.Expanded_Name (Item'Tag)
);
end if;
when others =>
Put_Line
( File,
Ada.Tags.Expanded_Name (Item'Tag)
);
end case;
end Put;
end GNAT.Sockets.Connection_State_Machine.ASN1.Text_IO;
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