1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
|
-- `Topal': GPG/Pine integration
--
-- Copyright (C) 2001--2003 Phillip J. Brooke
--
-- This program 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 program 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 program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
with Ada.IO_Exceptions;
with Ada.Strings.Fixed;
with Ada.Strings.Unbounded;
with Ada.Text_IO;
with Expanding_Array;
with Externals; use Externals;
with Externals.GPG;
with Menus; use Menus;
with Misc; use Misc;
with Readline;
package body Keys is
Key_List_Initial_Size : constant Positive := 200;
type Menu_Array_Ptr is access all Keylist_Menus.MNA;
-- Add a key to the list....
procedure Add_Key (Key : in UBS;
List : in out Key_List) is
Match : Boolean := False;
begin
Debug("+Add_Key");
-- Is it a duplicate?
Debug("Add_Key: Checking for duplicates");
declare
use type UBS;
begin
Debug("Add_Key: Approaching duplicates loop");
for I in 1..List.Count loop
Debug("Add_Key: In duplicates loop");
Match := Match or Key = UAP.Value(List.KA, I);
end loop;
end;
if not Match then
-- Add the key.
Debug("Add_Key: Adding a key");
List.Count := List.Count + 1;
UAP.Set(List.KA, List.Count, Key);
Debug("Add_Key: Done adding a key");
end if;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.Add_Key");
raise;
end Add_Key;
-- Remove a key. We then shuffle the array down.
-- It will only remove the last key if there are multiple instances.
procedure Remove_Key (Key : in UBS;
List : in out Key_List) is
Key_Num : Integer;
Key_Found : Boolean := False;
use type UBS;
begin
for I in 1..List.Count loop
if Key = UAP.Value(List.KA, I) then
Key_Found := True;
Key_Num := I;
end if;
end loop;
if Key_Found then
-- Shuffle the array over it.
for I in Key_Num .. List.Count - 1 loop
UAP.Set(List.KA, I, UAP.Value(List.KA, I+1));
end loop;
-- Reduce the number of keys.
List.Count := List.Count - 1;
else
raise Key_Not_Found;
end if;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.Remove_Key");
raise;
end Remove_Key;
-- Turn the list of keys to send into `-r <key>' string.
function Processed_Recipient_List (List : in Key_List) return String is
Result : UBS := Ada.Strings.Unbounded.Null_Unbounded_String;
use type UBS;
begin
for I in 1..List.Count loop
Result := Result & ToUBS(" -r ") & UAP.Value(List.KA, I) & ToUBS(" ");
end loop;
return ToStr(Result);
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.Processed_Recipient_List");
raise;
end Processed_Recipient_List;
-- Get key fingerprint(s) for a key. Add them.
procedure Add_Keys_By_Fingerprint (Key_In : in UBS;
List : in out Key_List;
Found : out Boolean) is
K : String := ToStr(Key_In);
Tempfile : String := Temp_File_Name("findkey-akbf");
TFH : Ada.Text_IO.File_Type;
L : UBS;
Match : Boolean := False;
begin
Debug("Add_Keys_By_Fingerprint (A): starting...");
-- First, try finding some keys for this Key_In.
GPG.Findkey(Key => K,
Target => Tempfile);
Debug("Add_Keys_By_Fingerprint (A): GPG.Findkey returned okay");
-- Now, open the file, and read in each line as a key for Add_Key.
Ada.Text_IO.Open(File => TFH,
Mode => Ada.Text_IO.In_File,
Name => Tempfile);
Debug("Add_Keys_By_Fingerprint (A): opened file successfully");
Fingerprint_Loop:
loop
begin
L := Unbounded_Get_Line(TFH);
Debug("Add_Keys_By_Fingerprint: Adding " & ToStr(L));
Add_Key(L, List);
Match := True;
exception
when Ada.IO_Exceptions.End_Error =>
exit Fingerprint_Loop;
end;
end loop Fingerprint_Loop;
Ada.Text_IO.Close(TFH);
Found := Match;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.Add_Keys_By_Fingerprint (A)");
raise;
end Add_Keys_By_Fingerprint;
procedure Add_Keys_By_Fingerprint (Key_In : in UBS;
List : in out Key_List) is
Found : Boolean;
begin
Add_Keys_By_Fingerprint(Key_In, List, Found);
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.Add_Keys_By_Fingerprint (B)");
raise;
end Add_Keys_By_Fingerprint;
-- Add the secret keys to this key list.
procedure Add_Secret_Keys (Key_In : in UBS;
List : in out Key_List) is
K : String := ToStr(Key_In);
Tempfile : String := Temp_File_Name("findkey-ask");
TFH : Ada.Text_IO.File_Type;
L : UBS;
Match : Boolean := False;
begin
-- First, try finding some _secret_ keys for this Key_In.
GPG.Findkey_Secret(Key => K,
Target => Tempfile);
-- Now, open the file, and read in each line as a key for
-- Add_Keys_By_Fingerprint (so we don't need to go hunting for the
-- long codes.
Ada.Text_IO.Open(File => TFH,
Mode => Ada.Text_IO.In_File,
Name => Tempfile);
Fingerprint_Loop:
loop
begin
L := Unbounded_Get_Line(TFH);
Debug("Add_Keys_By_Fingerprint: Adding " & ToStr(L));
Add_Keys_By_Fingerprint(L, List);
Match := True;
exception
when Ada.IO_Exceptions.End_Error =>
exit Fingerprint_Loop;
end;
end loop Fingerprint_Loop;
Ada.Text_IO.Close(TFH);
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.Add_Secret_Keys");
raise;
end Add_Secret_Keys;
-- List the keys and edit them as appropriate (include removing a key
-- from that list, and adding one from the keyring.
procedure List_Keys (List : in out Key_List) is
Key_Head_Length : constant Positive := 65;
subtype Key_Head is String(1..Key_Head_Length);
package Key_Head_Array_Package
is new Expanding_Array (Item => Key_Head);
package KHA renames Key_Head_Array_Package;
subtype Key_Head_Array is Key_Head_Array_Package.Big_Array;
Key_Heads : Key_Head_Array;
Key_Menu : Menu_Array_Ptr;
procedure Generate_Key_List is
begin
Debug("+Generate_Key_List");
-- First, we generate a current list of info files for the keys.
for I in 1..List.Count loop
declare
Key_File_Name : String
:= Temp_File_Name("key"
& Trim_Leading_Spaces(Integer'Image(I)));
begin
GPG.Listkey(Key => ToStr(UAP.Value(List.KA, I)),
Target => Key_File_Name);
-- Now, dump into our `head' array the first line of each.
declare
File_Handle : Ada.Text_IO.File_Type;
First_Line : UBS;
begin
Ada.Text_IO.Open(File => File_Handle,
Mode => Ada.Text_IO.In_File,
Name => Key_File_Name);
First_Line := Unbounded_Get_Line(File_Handle);
Ada.Text_IO.Close(File_Handle);
declare
FL : String := ToStr(First_Line);
use Ada.Strings.Fixed;
begin
if FL'Length >= Key_Head_Length then
KHA.Set(Key_Heads, I, FL(FL'First..
FL'First+Key_Head_Length-1));
else
KHA.Set(Key_Heads, I, FL
& (Key_Head_Length - FL'Length) * ' ');
end if;
end;
end;
end;
end loop;
-- Now, create a menu with those key_heads.
Key_Menu := new Keylist_Menus.MNA(1..List.Count);
for I in 1..List.Count loop
Key_Menu(I) := ToUBS("Details: " & KHA.Value(Key_Heads, I));
end loop;
Debug("-Generate_Key_List");
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.List_Keys.Generate_Key_List");
raise;
end Generate_Key_List;
Selection : Keylist_Menus.CLM_Return;
Selected : Integer;
SK_Selection : Specific_Key_Index;
begin
Debug("+List_Keys");
KHA.Create(Key_Heads, Key_List_Initial_Size);
Generate_Key_List;
List_Keys_Loop:
loop
Selection := Keylist_Menu(Key_Menu.all);
if not Selection.Is_Num then
case Selection.I is
when Done =>
exit List_Keys_Loop;
when AddPattern => -- Add key from main keyring.
declare
New_Key : UBS;
use Ada.Text_IO;
begin
New_Line(1);
Put_Line("Main key ring access:");
New_Key
:= ToUBS(Readline.Get_String("Type GPG search pattern: "));
Add_Keys_By_Fingerprint(New_Key, List);
Generate_Key_List;
end;
when AddSearch => -- Do a search, then select a key.
declare
Search_List : Key_List;
Pattern : UBS;
The_Key : UBS;
Aborted : Boolean;
begin
Empty_Keylist(Search_List);
Pattern := ToUBS(Readline.Get_String("Type GPG search pattern: "));
Add_Keys_By_Fingerprint(Pattern, Search_List);
Select_Key_From_List(Search_List, The_Key, Aborted);
if not Aborted then
Add_Key(The_Key, List);
Generate_Key_List;
end if;
end;
end case;
else
-- Selection key menu.
Selected := Selection.N;
Specific_Key_Loop:
loop
SK_Selection := Specific_Key_Menu1("Key: "
& ToStr(Key_Menu(Selected))
& NL
& "(d) Display details of key with less, (v) Verbosely"
& NL
& "(r) Remove key from list (kql) Return to key list "
& NL);
case SK_Selection is
when Done =>
exit Specific_Key_Loop;
when Display =>
GPG.Viewkey(ToStr(UAP.Value(List.KA, Selected)));
when DisplayVerbose =>
GPG.Viewkey(ToStr(UAP.Value(List.KA, Selected)),
Verbose => True);
when Remove =>
Remove_Key(UAP.Value(List.KA, Selected),
List);
Generate_Key_List;
exit Specific_Key_Loop;
when SSelect =>
Error("Menu should not have allowed SSelect here");
end case;
end loop Specific_Key_Loop;
end if;
end loop List_Keys_Loop;
Debug("-List_Keys");
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.List_Keys");
raise;
end List_Keys;
-- List the keys. Either return with Aborted true, or
-- The_Fingerprint set to the chosen fingerprint.
procedure Select_Key_From_List (List : in out Key_List;
The_Fingerprint : out UBS;
Aborted : out Boolean) is
Key_Head_Length : constant Positive := 65;
subtype Key_Head is String(1..Key_Head_Length);
package Key_Head_Array_Package
is new Expanding_Array (Item => Key_Head);
package KHA renames Key_Head_Array_Package;
subtype Key_Head_Array is Key_Head_Array_Package.Big_Array;
Key_Heads : Key_Head_Array;
Key_Menu : Menu_Array_Ptr;
procedure Generate_Key_List is
begin
Debug("+Generate_Key_List");
-- First, we generate a current list of info files for the keys.
for I in 1..List.Count loop
declare
Key_File_Name : String
:= Temp_File_Name("key"
& Trim_Leading_Spaces(Integer'Image(I)));
begin
GPG.Listkey(Key => ToStr(UAP.Value(List.KA, I)),
Target => Key_File_Name);
-- Now, dump into our `head' array the first line of each.
declare
File_Handle : Ada.Text_IO.File_Type;
First_Line : UBS;
begin
Ada.Text_IO.Open(File => File_Handle,
Mode => Ada.Text_IO.In_File,
Name => Key_File_Name);
First_Line := Unbounded_Get_Line(File_Handle);
Ada.Text_IO.Close(File_Handle);
declare
FL : String := ToStr(First_Line);
use Ada.Strings.Fixed;
begin
if FL'Length >= Key_Head_Length then
KHA.Set(Key_Heads, I, FL(FL'First..
FL'First+Key_Head_Length-1));
else
KHA.Set(Key_Heads, I, FL
& (Key_Head_Length - FL'Length) * ' ');
end if;
end;
end;
end;
end loop;
-- Now, create a menu with those key_heads.
Key_Menu := new Keylist_Menus.MNA(1..List.Count);
for I in 1..List.Count loop
Key_Menu(I) := ToUBS("Details: " & KHA.Value(Key_Heads, I));
end loop;
Debug("-Generate_Key_List");
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.Select_Key_From_List.Generate_Key_List");
raise;
end Generate_Key_List;
Selection : Keylist_Menus.CLM_Return;
Selected : Integer;
SK_Selection : Specific_Key_Index;
Abort_Real : Boolean := False;
Fingerprint_Real : UBS;
begin
Debug("+List_Keys");
KHA.Create(Key_Heads, Key_List_Initial_Size);
Generate_Key_List;
List_Keys_Loop:
loop
Selection := Keylist_Menu2(Key_Menu.all);
if (not Selection.Is_Num) then
case Selection.I is
when Done =>
Abort_Real := True;
exit List_Keys_Loop;
when AddPattern =>
Error("Menu should not have allowed AddPattern here");
when AddSearch =>
Error("Menu should not have allowed AddSearch here");
end case;
else
-- Selection key menu.
Selected := Selection.N;
Specific_Key_Loop:
loop
SK_Selection := Specific_Key_Menu2("Key: "
& ToStr(Key_Menu(Selected))
& NL
& "(d) Display details of key with less, (v) Verbosely"
& NL
& "(s) Select this key (kql) Return to key list "
& NL);
case SK_Selection is
when Done =>
exit Specific_Key_Loop;
when Display =>
GPG.Viewkey(ToStr(UAP.Value(List.KA, Selected)));
when DisplayVerbose =>
GPG.Viewkey(ToStr(UAP.Value(List.KA, Selected)),
Verbose => True);
when SSelect =>
Fingerprint_Real := UAP.Value(List.KA, Selected);
exit List_Keys_Loop;
when Remove =>
Error("Menu should not have allowed Remove here");
end case;
end loop Specific_Key_Loop;
end if;
end loop List_Keys_Loop;
The_Fingerprint := Fingerprint_Real;
Aborted := Abort_Real;
Debug("-List_Keys");
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.List_Keys");
raise;
end Select_Key_From_List;
-- Use keylist.
procedure Use_Keylist (Recipients : in UBS_Array;
List : in out Key_List) is
use Ada.Text_IO;
Found_Key : array (Recipients'Range) of Boolean
:= (others => False);
begin
Debug("+Use_Keylist");
-- New key list.
-- Do something with the keylist. Given a list of email addresses,
-- open the relevant file (er, look in the array), and keep those key
-- ids.
for J in 1..Config.AKE_Count loop
for I in Recipients'Range loop
declare
use type UBS;
Found : Boolean;
begin
if UAP.Value(Config.AKE_Email, J) = Recipients(I) then
Add_Keys_By_Fingerprint(UAP.Value(Config.AKE_Key, J),
List,
Found);
Found_Key(I) := Found_Key(I) or Found;
end if;
end;
end loop;
end loop;
-- Now, run through the recipients that we _haven't_ found a key for.
for I in Recipients'Range loop
if Found_Key(I) then
Put_Line("Info: Added keylist key(s) for recipient: `"
& ToStr(Recipients(I)) & "'");
else
declare
Search_List : Key_List;
use type UBS;
begin
Empty_Keylist(Search_List);
Add_Keys_By_Fingerprint(Recipients(I), Search_List);
-- Remove any on the XK list. Dead easy: simply run
-- through the entire XK list saying `Remove Key'.
for J in 1 .. Config.XK_Count loop
Remove_Key(UAP.Value(Config.XK_Key, J), Search_List);
end loop;
if Count(Search_List) > 0 then
Put_Line("Info: Adding non-keylist key(s) for recipient: `"
& ToStr(Recipients(I)) & "'");
-- Add the keys in Search_List to List.
for J in 1 .. Search_List.Count loop
Add_Key(UAP.Value(Search_List.KA, J), List);
end loop;
else
Put_Line("Warning: Cannot find key for recipient: `"
& ToStr(Recipients(I)) & "'");
end if;
end;
end if;
end loop;
Debug("-Use_Keylist");
exception
when Ada.IO_Exceptions.Name_Error =>
Put_Line("Warning: Can't open keylist file");
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.Use_Keylist");
raise;
end Use_Keylist;
procedure Empty_Keylist (List : in out Key_List) is
begin
UAP.Create(List.KA, Key_List_Initial_Size);
List.Count := 0;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.Empty_Keylist");
raise;
end;
function Count (List : in Key_List) return Natural is
begin
return List.Count;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Keys.Count");
raise;
end Count;
end Keys;
|
