/[winpt]/trunk/Src/wptKeysigDlg.cpp
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Contents of /trunk/Src/wptKeysigDlg.cpp

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Revision 176 - (show annotations)
Mon Feb 13 09:38:03 2006 UTC (19 years ago) by twoaday
File size: 14212 byte(s)


1 /* wptKeysigDlg.cpp - Key signature listing
2 * Copyright (C) 2001-2006 Timo Schulz
3 *
4 * This file is part of WinPT.
5 *
6 * WinPT is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * WinPT is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with WinPT; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19 */
20 #ifdef HAVE_CONFIG_H
21 #include <config.h>
22 #endif
23
24 #include <windows.h>
25 #include <commctrl.h>
26 #include <time.h>
27
28 #include "resource.h"
29 #include "wptGPG.h"
30 #include "wptCommonCtl.h"
31 #include "wptContext.h" /* for passphrase_s */
32 #include "wptDlgs.h"
33 #include "wptW32API.h"
34 #include "wptNLS.h"
35 #include "wptKeylist.h"
36 #include "wptKeyserver.h"
37 #include "wptUTF8.h"
38 #include "wptTypes.h"
39 #include "wptVersion.h"
40 #include "wptErrors.h"
41 #include "wptKeyEdit.h"
42
43 static subclass_s siglist_proc;
44
45
46 static int
47 is_sig (listview_ctrl_t lv, int pos)
48 {
49 char tmpbuf[200];
50
51 if (pos == -1)
52 pos = listview_get_curr_pos (lv);
53 if (pos == -1)
54 return 0;
55 listview_get_item_text (lv, pos, SL_COL_UID, tmpbuf, sizeof (tmpbuf)-1);
56 if (*tmpbuf == ' ')
57 return -1;
58 return 0;
59 }
60
61
62 /* Delete the selected signature from list view @lv. The
63 key is given in @key. */
64 static int
65 do_delsig (HWND dlg, listview_ctrl_t lv, winpt_key_t key)
66 {
67 gpgme_error_t err;
68 GpgKeyEdit *ke;
69 char keyid[32];
70 int pos, npos, id, is_selfsig=0;
71 int signo=0, uidno=0;
72
73 npos = pos = listview_get_curr_pos (lv);
74 if (!is_sig (lv, -1))
75 return -1;
76 listview_get_item_text (lv, pos, SL_COL_KEYID, keyid, sizeof (keyid)-1);
77 if (!strncmp (key->keyid, keyid+2, 8))
78 is_selfsig = 1;
79
80 while (pos > 0 && is_sig (lv, pos)) {
81 signo++;
82 pos--;
83 }
84 pos = npos;
85 while (npos > 0) {
86 if (!is_sig (lv, npos))
87 uidno++;
88 npos--;
89 }
90 uidno++;
91
92 /* XXX: do not allow to delete the self signature */
93 id = log_box (_("Key Manager"), is_selfsig? MB_WARN_ASK : MB_QUEST_ASK,
94 _("Are you really sure you want to delete this %s from\n\n"
95 " \"%s\""), is_selfsig? _("self signature") : _("signature"),
96 key->uid);
97 if (id == IDNO)
98 return 0;
99
100 ke = new GpgKeyEdit (key->keyid);
101 if (!ke)
102 BUG (NULL);
103 err = ke->delUseridSignature (uidno, signo);
104 if (err)
105 msg_box (dlg, gpgme_strerror (err), _("Key Manager"), MB_ERR);
106 else
107 listview_del_item (lv, pos);
108 delete ke;
109 if (!err)
110 key->update = 1;
111 return err? -1 : 0;
112 }
113
114
115 /* Dialog box procedure to display the signature properties. */
116 BOOL CALLBACK
117 sigprops_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
118 {
119 static gpgme_key_sig_t ks;
120 gpgme_key_t issuer;
121 char tmpbuf[256];
122 struct {
123 unsigned int exportable:1;
124 unsigned int expired:1;
125 unsigned int nrev:1;
126 unsigned int rev:1;
127 const char *alg;
128 int _class;
129 } ctx;
130 const char *fmt_templ = _("%s %s signature");
131
132 switch (msg) {
133 case WM_SYSCOMMAND:
134 if (LOWORD (wparam) == SC_CLOSE)
135 EndDialog (dlg, TRUE);
136 return FALSE;
137
138 case WM_INITDIALOG:
139 SetWindowText (dlg, _("Signature Properties"));
140 SetDlgItemText (dlg, IDC_SIGPROPS_EXP, _("Exportable"));
141 SetDlgItemText (dlg, IDC_SIGPROPS_NREV, _("Non-revocably"));
142 SetDlgItemText (dlg, IDC_SIGPROPS_EXPIRED, _("Expired"));
143 SetDlgItemText (dlg, IDC_SIGPROPS_REV, _("Revoked"));
144 SetDlgItemText (dlg, IDC_SIGPROPS_CLASSINF, _("Class"));
145 SetDlgItemText (dlg, IDC_SIGPROPS_EXPSTR, _("Expire date"));
146 SetDlgItemText (dlg, IDC_SIGPROPS_KEYINF, _("Issuer key"));
147 SetDlgItemText (dlg, IDC_SIGPROPS_KEYIDINF, _("Issuer key ID"));
148 ks = (gpgme_key_sig_t)lparam;
149 if (!ks)
150 BUG (0);
151 memset (&ctx, 0, sizeof ctx);
152 ctx._class = ks->sig_class;
153 if (ctx._class == 0)
154 ctx._class = 16;
155 ctx._class -= 6;
156 if (ks->pubkey_algo == GPGME_PK_DSA)
157 ctx.alg = "DSA";
158 else if (ks->pubkey_algo == GPGME_PK_RSA)
159 ctx.alg = "RSA";
160 else
161 ctx.alg = "ELG";
162 ctx.exportable = ks->exportable;
163 _snprintf (tmpbuf, DIM (tmpbuf)-1, fmt_templ,
164 ctx.exportable? _("Exportable") : _("Non-exportable"), ctx.alg);
165 SetDlgItemText (dlg, IDC_SIGPROPS_INFO, tmpbuf);
166
167 SetDlgItemText (dlg, IDC_SIGPROPS_KEYID, ks->keyid+8);
168 SetDlgItemInt (dlg, IDC_SIGPROPS_CLASS, ctx._class, FALSE);
169 if (ctx.exportable)
170 CheckDlgButton (dlg, IDC_SIGPROPS_EXP, BST_CHECKED);
171 if (!get_pubkey (ks->keyid+8, &issuer)) {
172 char *uid = utf8_to_wincp2 (issuer->uids->uid);
173 SetDlgItemText (dlg, IDC_SIGPROPS_ISSUER, uid);
174 safe_free (uid);
175 }
176 else
177 SetDlgItemText (dlg, IDC_SIGPROPS_ISSUER, _(" user ID not found"));
178 if (ks->expires == 0) {
179 ShowWindow (GetDlgItem (dlg, IDC_SIGPROPS_EXPSTR), SW_HIDE);
180 ShowWindow (GetDlgItem (dlg, IDC_SIGPROPS_EXPDATE), SW_HIDE);
181 }
182 else {
183 SYSTEMTIME st;
184 struct tm *tm;
185 time_t t = time (NULL);
186 time_t tmp = ks->expires;
187
188 tm = localtime (&tmp);
189 memset (&st, 0, sizeof st);
190 st.wYear = tm->tm_year+1900;
191 st.wMonth = tm->tm_mon;
192 st.wDay = tm->tm_mday;
193 DateTime_SetSystemtime (GetDlgItem (dlg, IDC_SIGPROPS_EXPDATE),
194 GDT_VALID, &st);
195
196 tm = localtime (&t);
197 tm->tm_mon++;
198 tm->tm_year += 1900;
199 if (tm->tm_year > st.wYear)
200 ctx.expired = 1;
201 else if (tm->tm_mon > st.wMonth)
202 ctx.expired = 1;
203 if (ctx.expired)
204 CheckDlgButton (dlg, IDC_SIGPROPS_EXPIRED, BST_CHECKED);
205 }
206 SetDlgItemText (dlg, IDC_SIGPROPS_EXP, _("Exportable"));
207 SetDlgItemText (dlg, IDC_SIGPROPS_NREV, _("Non-revocably"));
208 SetDlgItemText (dlg, IDC_SIGPROPS_REV, _("Revoked"));
209 SetDlgItemText (dlg, IDC_SIGPROPS_EXPIRED, _("Expired"));
210 SetWindowText (dlg, _("Signature Properties"));
211 SetForegroundWindow (dlg);
212 center_window (dlg, NULL);
213 return TRUE;
214
215 case WM_COMMAND:
216 switch (LOWORD (wparam)) {
217 case IDOK:
218 EndDialog (dlg, TRUE);
219 break;
220
221 case IDCANCEL:
222 EndDialog (dlg, FALSE);
223 break;
224 }
225 }
226
227 return FALSE;
228 }
229
230
231 static BOOL CALLBACK
232 subclass_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
233 {
234 listview_ctrl_t lv;
235 winpt_key_t key;
236 gpgme_key_sig_t ks;
237
238 switch (msg) {
239 case WM_KEYUP:
240 int virt_key = (int)wparam;
241 key = (winpt_key_t)siglist_proc.opaque;
242 lv = key->callback.ctl;
243 if (virt_key == VK_SPACE) {
244 if (is_sig (lv, -1)) {
245 ks = (gpgme_key_sig_t)listview_get_item2 (lv, listview_get_curr_pos (lv));
246 DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_SIGPROPS, dlg,
247 sigprops_dlg_proc, (LPARAM)ks);
248 }
249 }
250 else if (virt_key == VK_DELETE)
251 do_delsig (dlg, lv, key);
252 break;
253 }
254 return CallWindowProc (siglist_proc.old, dlg, msg, wparam, lparam);
255 }
256
257
258 /* Return 1 if the list view @lv contains non-available keys. */
259 static int
260 check_for_missing_keys (listview_ctrl_t lv)
261 {
262 int i, n;
263 char id[128];
264
265 n = listview_count_items( lv, 0 );
266 for( i = 0; i < n; i++ ) {
267 listview_get_item_text (lv, i, SL_COL_VALID, id, sizeof (id) - 1);
268 if (!strncmp (id, "NOKEY", 5))
269 return 1;
270 }
271
272 return 0;
273 }
274
275
276 /* Receive all missing keys marked in the list @lv. */
277 static int
278 recv_missing_keys (HWND dlg, listview_ctrl_t lv)
279 {
280 char id[128], keyid[18+1];
281 int i, n, cnt=0;
282
283 i = msg_box (dlg, _("Really receive all missing keys?"),
284 _("Key Manager"), MB_YESNO|MB_INFO);
285 if (i == IDNO)
286 return 0;
287
288 n = listview_count_items (lv, 0);
289 for (i = 0; i < n; i++) {
290 listview_get_item_text (lv, i, SL_COL_VALID, id, sizeof (id) - 1);
291 if (!strncmp (id, "NOKEY", 5)) {
292 listview_get_item_text (lv, i, SL_COL_KEYID,
293 keyid, sizeof (keyid) -1);
294 if (!hkp_recv_key (dlg, default_keyserver,
295 default_keyserver_port, keyid, 0, 0)) {
296 keycache_update (0, keyid);
297 cnt++;
298 }
299 else
300 break;
301 }
302 }
303 return cnt;
304 }
305
306
307 /* Create a mini popup with available choices. */
308 static void
309 do_create_popup (HWND dlg)
310 {
311 HMENU hm, sm;
312 POINT p;
313
314 GetCursorPos (&p);
315 hm = LoadMenu (glob_hinst, MAKEINTRESOURCE (IDR_WINPT_KEYSIG_CTX));
316 sm = GetSubMenu (hm, 0);
317 set_menu_text (sm, ID_SIGCTX_PROPS, _("Signature &Properties"));
318 set_menu_text (sm, ID_SIGCTX_KEYPROPS, _("Signing &Key Properties"));
319 TrackPopupMenu (sm, TPM_RIGHTALIGN, p.x, p.y, 0, dlg, NULL);
320 DestroyMenu (hm);
321 DestroyMenu (sm);
322 }
323
324
325 /* Fetch a single key and extract the keyid from the listview
326 entry at the pos @idx. */
327 static int
328 recv_single_key (HWND dlg, listview_ctrl_t lv, int idx)
329 {
330 char keyid[32];
331 int rc;
332
333 listview_get_item_text (lv, idx, SL_COL_KEYID, keyid, DIM (keyid)-1);
334 rc = hkp_recv_key (dlg, default_keyserver,
335 default_keyserver_port, keyid, 0, 0);
336
337 if (!rc)
338 keycache_update (0, keyid);
339 return rc;
340 }
341
342
343 /* Load the key property dialog with the selected key from @lv. */
344 static void
345 do_load_keyprops (HWND dlg, listview_ctrl_t lv)
346 {
347 winpt_key_s k;
348 gpgme_key_t key;
349 char keyid[32] = {0};
350 char status[64] = {0}, creation[64] = {0};
351 int n = listview_get_curr_pos (lv);
352
353 listview_get_item_text (lv, n, SL_COL_VALID, status, DIM (status)-1);
354 listview_get_item_text (lv, n, SL_COL_CREATE, creation, DIM (creation)-1);
355 listview_get_item_text (lv, n, SL_COL_KEYID, keyid, DIM (keyid)-1);
356 if (!strcmp (status, "NOKEY")) {
357 int id = msg_box (dlg, _("Key not found in keyring, do you want to fetch it from the keyserver?"),
358 _("Key Manager"), MB_QUEST_ASK);
359 if (id == IDNO)
360 return;
361 if (recv_single_key (dlg, lv, n))
362 return;
363 }
364
365 if ((strlen (keyid) < 3 ||get_pubkey (keyid, &key))) {
366 if (strlen (creation) > 0)
367 msg_box (dlg, _("Key not found in keyring."), _("Key Manager"), MB_INFO);
368 return;
369 }
370 memset (&k, 0, sizeof k);
371 k.keyid = keyid;
372 DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_KEYPROPS, dlg,
373 keyprops_dlg_proc, (LPARAM)&k);
374 }
375
376
377 /* Dialog box procedure to list signatures. */
378 BOOL CALLBACK
379 keysig_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
380 {
381 static listview_ctrl_t lv = NULL;
382 static struct winpt_key_s *k;
383 gpgme_key_sig_t ks;
384 HWND sl;
385 char inf[384];
386 int idx = 0;
387
388 switch (msg) {
389 case WM_INITDIALOG:
390 k = (winpt_key_t) lparam;
391 if (!k)
392 BUG (0);
393 if (k->uid)
394 _snprintf (inf, DIM (inf)-1, _("Signature List for \"%s\""), k->uid);
395 SetWindowText (dlg, inf);
396 SetDlgItemText (dlg, IDC_KEYSIG_RECVKEY, _("&Receive Key"));
397 SetDlgItemText (dlg, IDC_KEYSIG_SIGPROPS, _("&Properties"));
398
399 lv = siglist_load (GetDlgItem (dlg, IDC_KEYSIG_LIST), k->keyid);
400 if (!check_for_missing_keys (lv))
401 EnableWindow (GetDlgItem (dlg, IDC_KEYSIG_RECVKEY), FALSE);
402 EnableWindow (GetDlgItem (dlg, IDC_KEYSIG_SIGPROPS), FALSE);
403 k->callback.ctl = lv;
404 sl = GetDlgItem (dlg, IDC_KEYSIG_LIST);
405 siglist_proc.dlg = dlg;
406 siglist_proc.opaque = k;
407 siglist_proc.current = (WNDPROC)subclass_dlg_proc;
408 siglist_proc.old = (WNDPROC)GetWindowLong (sl, GWL_WNDPROC);
409 if (siglist_proc.old) {
410 if (!SetWindowLong (sl, GWL_WNDPROC, (LONG)siglist_proc.current)) {
411 msg_box (dlg, "Could not set keylist window procedure.",
412 _("Key Manager"), MB_ERR);
413 BUG (0);
414 }
415 }
416 SetForegroundWindow (dlg);
417 center_window (dlg, NULL);
418 return TRUE;
419
420 case WM_DESTROY:
421 if (lv) {
422 siglist_delete (lv);
423 lv = NULL;
424 }
425 return FALSE;
426
427 case WM_SYSCOMMAND:
428 if (LOWORD (wparam) == SC_CLOSE)
429 EndDialog (dlg, TRUE);
430 return FALSE;
431
432 case WM_NOTIFY:
433 NMHDR *notify;
434
435 notify = (NMHDR *)lparam;
436 if (!notify)
437 return FALSE;
438 if (notify->code == NM_DBLCLK
439 && notify->idFrom == IDC_KEYSIG_LIST)
440 do_load_keyprops (dlg, lv);
441 if (notify->code == NM_RCLICK &&
442 notify->idFrom == IDC_KEYSIG_LIST &&
443 is_sig (lv, -1))
444 do_create_popup (dlg);
445 if (notify->code == LVN_ITEMCHANGED &&
446 ((LPNMLISTVIEW)lparam)->uNewState) {
447 idx = listview_get_curr_pos (lv);
448 listview_get_item_text (lv, idx, SL_COL_VALID, inf, DIM (inf)-1);
449 EnableWindow (GetDlgItem (dlg, IDC_KEYSIG_RECVKEY),
450 strcmp (inf, "NOKEY") == 0? TRUE: FALSE);
451 EnableWindow (GetDlgItem (dlg, IDC_KEYSIG_SIGPROPS),
452 is_sig (lv, -1)? TRUE : FALSE);
453 }
454 if (notify->code == LVN_COLUMNCLICK) {
455 NMLISTVIEW *nft = (LPNMLISTVIEW) lparam;
456 int sortby = 0;
457 switch (nft->iSubItem) {
458 //case 0: sortby = KEY_SORT_USERID; break;
459 case 1: sortby = KEY_SORT_VALIDITY; break;
460 case 2: sortby = SIG_SORT_CLASS; break;
461 case 3: sortby = KEY_SORT_CREATED; break;
462 case 4: sortby = KEY_SORT_KEYID; break;
463 case 5: sortby = SIG_SORT_EXPIRE; break;
464 case 6: sortby = KEY_SORT_ALGO; break;
465 default: return TRUE;
466 }
467 siglist_sort (lv, sortby);
468 }
469 break;
470
471 case WM_COMMAND:
472 switch (LOWORD (wparam)) {
473 case ID_SIGCTX_KEYPROPS:
474 do_load_keyprops (dlg, lv);
475 break;
476
477 case ID_SIGCTX_PROPS:
478 if (is_sig (lv, -1)) {
479 ks = (gpgme_key_sig_t)listview_get_item2 (lv, listview_get_curr_pos (lv));
480 DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_SIGPROPS, dlg,
481 sigprops_dlg_proc, (LPARAM)ks);
482 }
483 break;
484
485 case IDC_KEYSIG_RECVKEY:
486 idx = listview_get_curr_pos (lv);
487 if (idx == -1)
488 recv_missing_keys (dlg, lv);
489 else
490 recv_single_key (dlg, lv, idx);
491 return TRUE;
492
493 case IDC_KEYSIG_SIGPROPS:
494 if (is_sig (lv, -1)) {
495 ks = ks = (gpgme_key_sig_t)listview_get_item2 (lv, listview_get_curr_pos (lv));
496 DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_SIGPROPS, dlg,
497 sigprops_dlg_proc, (LPARAM)ks);
498 }
499 return TRUE;
500
501 case IDOK:
502 EndDialog (dlg, TRUE);
503 return TRUE;
504 }
505 break;
506 }
507 return FALSE;
508 }

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