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

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Revision 260 - (show annotations)
Wed Aug 16 10:01:30 2006 UTC (18 years, 6 months ago) by twoaday
File size: 23574 byte(s)


1 /* wptCardDlg.cpp - Smart Card support
2 * Copyright (C) 2003-2006 Timo Schulz
3 * Copyright (C) 2005 g10 Code GmbH
4 *
5 * This file is part of WinPT.
6 *
7 * WinPT is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * WinPT is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with WinPT; if not, write to the Free Software Foundation,
19 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
20 */
21
22 #ifdef HAVE_CONFIG_H
23 #include <config.h>
24 #endif
25
26 #include <windows.h>
27 #include <commctrl.h>
28 #include <ctype.h>
29
30 #include "resource.h"
31 #include "gpgme.h"
32 #include "wptTypes.h"
33 #include "wptW32API.h"
34 #include "wptErrors.h"
35 #include "wptRegistry.h"
36 #include "wptVersion.h"
37 #include "wptCommonCtl.h"
38 #include "wptDlgs.h"
39 #include "wptGPG.h"
40 #include "wptUTF8.h"
41 #include "wptCardEdit.h"
42 #include "wptCard.h"
43 #include "wptContext.h"
44
45 int keygen_check_date (SYSTEMTIME * st);
46
47
48 #define OPENPGP_APPID "D276000124"
49
50 /* Possible values for the sex field. */
51 static const char *sex[] = {"Male", "Female", "Undefined", NULL};
52
53 /* Predefined languages. */
54 static const char *lang[] = {"Undefined", "cs", "de", "en", "es", "fr", "hu",
55 "it", "nl", "pt", "ro", "ru", "zh", "at",
56 NULL};
57
58 /* PIN callback context. */
59 static pin_cb_ctx_s pincb;
60
61 /* Attribute table. */
62 struct {
63 int ctlid;
64 const char *err;
65 } attr_tab[] = {
66 {IDC_CEDIT_AID, ""},
67 {IDC_CEDIT_VENDOR, "No Vendor"},
68 {IDC_CEDIT_VERSION,"No Version"},
69 {IDC_CEDIT_SERIAL, "No Serial-No"},
70 {IDC_CEDIT_NAME, "No Name"},
71 {IDC_CEDIT_NAME2, "No Surname"},
72 {IDC_CEDIT_KEYURL, "No Key-URL"},
73 {IDC_CEDIT_LOGIN, "No Login name"},
74 {0},
75 };
76
77
78
79 /* Return all card attributes from @card. @n contains
80 the number of items which were returned. */
81 char**
82 card_get_items (gpg_card_t card, int *n)
83 {
84 static char printver[16];
85 char **p;
86
87 *n= 8;
88 p = (char **)calloc (*n+1, sizeof (char*));
89 if (!p)
90 BUG (0);
91 _snprintf (printver, sizeof (printver)-1, "%d.%d",
92 card->ver[0], card->ver[1]);
93 p[0] = card->aid;
94 p[1] = card->vendor;
95 p[2] = printver;
96 p[3] = card->serial;
97 p[4] = card->givenname;
98 p[5] = card->surname;
99 p[6] = card->url;
100 p[7] = card->login;
101 return p;
102 }
103
104
105 static int
106 idx_from_lang (const char *_lang)
107 {
108 const char *s;
109 int i;
110
111 if (!_lang)
112 return 0;
113 for (i=0; (s = lang[i]); i++) {
114 if (!strcmp (_lang, s))
115 return i;
116 }
117 return 0;
118 }
119
120
121 static GpgCardEdit*
122 create_GpgCardEdit (void)
123 {
124 GpgCardEdit *ce;
125
126 ce = new GpgCardEdit ();
127 if (!ce)
128 BUG (0);
129 return ce;
130 }
131
132
133 /* Check if there is a card in the reader and analyze the
134 returned information.
135 Return value: card context or NULL on error. */
136 gpg_card_t
137 gpg_card_load (void)
138 {
139 gpgme_error_t err;
140 GpgCardEdit *ce;
141 gpg_card_t card = NULL;
142 struct card_cb_s cb = {0};
143
144 ce = create_GpgCardEdit ();
145 memset (&cb, 0, sizeof (cb));
146 ce->setCallback (card_callback, &cb);
147 err = ce->getCardStatus (&card);
148 if (err) {
149 msg_box (NULL, gpgme_strerror (err), _("Card Manager"), MB_ERR);
150 goto leave;
151 }
152
153 if (!card->aid ||
154 strncmp (card->aid, OPENPGP_APPID, strlen (OPENPGP_APPID))) {
155 msg_box (NULL, winpt_strerror (WPTERR_NOPGPCARD), "WinPT", MB_ERR);
156 gpg_card_release (card);
157 card = NULL;
158 }
159 else {
160 struct winpt_key_s key;
161
162 memset (&key, 0, sizeof (key));
163 winpt_get_pubkey (card->fpr[1]+32, &key);
164 if (key.ext) {
165 key.ext->card_type = m_strdup (card->card_type);
166 /* memory will be released in gpg_keycache_release (). */
167 }
168 }
169
170 leave:
171 delete ce;
172 return card;
173 }
174
175
176 /* Print human friendly fingerprint to control @id in the
177 dialog @dlg. @fpr contains the raw fingerprint. */
178 static void
179 print_fpr (HWND dlg, int id, const char * fpr)
180 {
181 char buf[128], dig[2];
182 size_t i, c;
183
184 if (!fpr)
185 strcpy (buf, _("No Fingerprint"));
186 else {
187 memset (buf, 0, sizeof (buf));
188 for (i=0, c=0; i < strlen (fpr); i++) {
189 dig[0] = fpr[i]; dig[1] = 0;
190 strcat (buf, dig);
191 if (++c == 4) {
192 strcat (buf, " ");
193 c=0;
194 }
195 }
196 }
197 SetDlgItemText (dlg, id, buf);
198 }
199
200
201 /* Fill in all card information from @card. into the corresponding
202 dialog item fields in the dialog @dlg.
203 Return value: 0 on success. */
204 static int
205 card_status (HWND dlg, gpg_card_t card)
206 {
207 static int fprbuf[] = {IDC_CEDIT_FPR1, IDC_CEDIT_FPR2, IDC_CEDIT_FPR3, 0};
208 static int fprtime[] = {IDC_CEDIT_SIG_FPRTIME, IDC_CEDIT_DEC_FPRTIME,
209 IDC_CEDIT_AUTH_FPRTIME, 0};
210 const char *s;
211 char **attrs;
212 char cardinf[128];
213 int idx=0, n=0;
214
215 if (!card->aid) {
216 msg_box (dlg, _("No OpenPGP smart card detected."), "WinPT", MB_ERR);
217 return -1;
218 }
219 SetDlgItemText (dlg, IDC_CEDIT_AID, card->aid);
220 SetDlgItemInt (dlg, IDC_CEDIT_SIGCOUNT, card->sig_count, TRUE);
221
222 for (idx=0; fprbuf[idx]; idx++) {
223 print_fpr (dlg, fprbuf[idx], card->fpr[idx]);
224 s = card->fpr_created_str[idx];
225 if (!s) /* no keys on the card. */
226 s = "";
227 SetDlgItemText (dlg, fprtime[idx], s);
228 }
229
230 attrs = card_get_items (card, &n);
231 for (idx=1; attr_tab[idx].ctlid; idx++) {
232 s = attrs[idx];
233 SetDlgItemText (dlg, attr_tab[idx].ctlid,
234 s && *s? s : attr_tab[idx].err);
235 }
236 safe_free (attrs);
237
238 idx = idx_from_lang (card->lang);
239 SendDlgItemMessage (dlg, IDC_CEDIT_LANG, CB_SETCURSEL, (WPARAM)idx, 0);
240
241 switch (card->sex) {
242 case 'm': idx=0; break;
243 case 'f': idx=1; break;
244 default :
245 case 'u': idx=2; break;
246 }
247 SendDlgItemMessage (dlg, IDC_CEDIT_SEX, CB_SETCURSEL, (WPARAM)idx, 0);
248
249 s = card->serial;
250 while (s && *s == '0') s++;
251 _snprintf (cardinf, sizeof (cardinf)-1,
252 "Card Edit - %s serial no. %s version %d.%d",
253 card->card_type, s, card->ver[0], card->ver[1]);
254 SetWindowText (dlg, cardinf);
255
256 return 0;
257 }
258
259
260 /* Initialize the enum combox boxes in dialog @dlg. */
261 static void
262 prepare_dialog (HWND dlg)
263 {
264 const char * s;
265 int i;
266
267 for (i=0; (s = sex[i]); i++)
268 SendDlgItemMessage (dlg, IDC_CEDIT_SEX, CB_ADDSTRING, 0, (LPARAM) s);
269 SendDlgItemMessage (dlg, IDC_CEDIT_SEX, CB_SETCURSEL, 0, 0);
270 for (i=0; (s = lang[i]); i++)
271 SendDlgItemMessage (dlg, IDC_CEDIT_LANG, CB_ADDSTRING, 0, (LPARAM)s);
272 SendDlgItemMessage (dlg, IDC_CEDIT_LANG, CB_SETCURSEL, 0, 0);
273 }
274
275
276 /* Return 0 if the given string @str has the proper format. */
277 static int
278 check_string (const char *str, int flags)
279 {
280 size_t i;
281
282 for (i=0; i < strlen (str); i++) {
283 if (flags & 0x02 && !isalpha (str[i]))
284 return -1;
285 }
286 return 0;
287 }
288
289
290 static int
291 do_proc_card_cmds (HWND dlg, struct pin_cb_ctx_s *cb, gpg_card_t card)
292 {
293 static struct {
294 int id;
295 int cmd;
296 int us_ascii;
297 int changed;
298 } idctl[] = {
299 {IDC_CEDIT_NAME, GPG_EDITCARD_NAME, 1, 0},
300 {IDC_CEDIT_LANG2, GPG_EDITCARD_LANG, 1, 0},
301 {IDC_CEDIT_SEX2, GPG_EDITCARD_SEX, 1|1,0},
302 {IDC_CEDIT_KEYURL,GPG_EDITCARD_KEYURL,1|4,0},
303 {IDC_CEDIT_LOGIN, GPG_EDITCARD_LOGIN, 1, 0},
304 {0}
305 };
306 gpgme_error_t err;
307 GpgCardEdit *ce;
308 char buf[256], tmp[128];
309 int errc=0, use_arg2 = 0;
310 int i, id, n=0;
311
312 /* XXX rewrite the entire function */
313 for( i=0; idctl[i].id; i++ ) /* reset */
314 idctl[i].changed = 0;
315
316 if( SendMessage( GetDlgItem( dlg, IDC_CEDIT_LANG2 ), WM_GETTEXTLENGTH, 0, 0 ) ) {
317 idctl[1].changed = 1;
318 n++;
319 }
320 if( SendMessage( GetDlgItem( dlg, IDC_CEDIT_SEX2 ), WM_GETTEXTLENGTH, 0, 0 ) ) {
321 idctl[2].changed = 1;
322 n++;
323 }
324
325 if( SendDlgItemMessage( dlg, IDC_CEDIT_NAME2, EM_GETMODIFY, 0, 0 ) ) {
326 idctl[0].changed = 1;
327 n++;
328 }
329 for( i=0; (id = idctl[i].id); i++ ) {
330 if( SendDlgItemMessage( dlg, id, EM_GETMODIFY, 0, 0 ) ) {
331 idctl[i].changed = 1;
332 n++;
333 }
334 }
335 if (!cb || !card) /* just return the changed elements */
336 return n;
337 if (!n)
338 return 0;
339 if (!cb->apin) {
340 msg_box (dlg, _("No PINs found."), _("Card Edit"), MB_ERR);
341 return 0;
342 }
343
344 ce = create_GpgCardEdit ();
345 ce->setAdminPIN (cb->apin);
346 for( i=0; idctl[i].id; i++ ) {
347 if( idctl[i].changed ) {
348 GetDlgItemText( dlg, idctl[i].id, buf, sizeof (buf)-1 );
349 if (idctl[i].us_ascii && is_8bit_string (buf)) {
350 msg_box (dlg, _("Only plain ASCII is currently allowed."),
351 _("Card Edit"), MB_ERR);
352 errc--; continue;
353 }
354 if( (idctl[i].us_ascii & 2) && check_string( buf, 2 ) ) {
355 msg_box( dlg, _("Only alphabetic characters are allowed."),
356 _("Card Edit"), MB_ERR );
357 errc--; continue;
358 }
359 if ((idctl[i].us_ascii & 4) &&
360 (!strchr (buf, ':') || !strstr (buf, "//"))) {
361 /* XXX: better URL check. */
362 msg_box (dlg, _("Invalid URL."), _("Card Edit"), MB_ERR);
363 errc--; continue;
364 }
365 if( idctl[i].cmd == GPG_EDITCARD_NAME ) {
366 /* The "name" command actually needs two fields */
367 GetDlgItemText( dlg, IDC_CEDIT_NAME2, tmp, sizeof tmp-1 );
368 use_arg2 = 1;
369 }
370 else
371 use_arg2 = 0;
372 err = ce->doCmd (idctl[i].cmd, buf, use_arg2? tmp : NULL);
373 if (err) {
374 log_box (_("Card Edit"), MB_ERR,
375 _("Could not modify card attribute: %s"),
376 gpgme_strerror (err));
377 errc--;
378 /* If no card is inserted, we leave the loop. */
379 if (gpgme_err_code (err) == GPG_ERR_CARD_NOT_PRESENT)
380 break;
381 }
382 }
383 }
384 if (!errc) {
385 /* if the operation(s) succeeded, reset the modify flag for each control */
386 for( i = 0; idctl[i].id; i++ )
387 SendDlgItemMessage( dlg, idctl[i].id, EM_SETMODIFY, (WPARAM)(UINT)FALSE, 0 );
388 msg_box( dlg, _("Card attribute changed."), _("Card Edit"), MB_OK );
389 SetDlgItemText( dlg, IDC_CEDIT_LANG2, "" );
390 SetDlgItemText( dlg, IDC_CEDIT_SEX2, "" );
391 }
392 delete ce;
393 return errc;
394 }
395
396
397 /* Cleanup pin callback @ctx. */
398 void
399 free_pincb (struct pin_cb_ctx_s *ctx)
400 {
401 if (!ctx)
402 return;
403 free_if_alloc (ctx->info_text);
404 sfree_if_alloc (ctx->upin);
405 sfree_if_alloc (ctx->apin);
406 }
407
408
409 /* Request a PIN from the user. @which decided if the
410 normal PIN or the admin PIN will be requested.
411 @card is used to show some information to the user.
412 @pincb is the actuall callback context.
413 Return value: 0 on success. */
414 static int
415 do_askpin (HWND dlg, int which, gpg_card_t card,
416 struct pin_cb_ctx_s *cb)
417 {
418 const char *s, *fmt;
419 const char *n1, *n2, *serial;
420 char *p;
421 size_t n;
422
423 if( (which == CARD_ADMIN_PIN && cb->apin) ||
424 (which == CARD_USER_PIN && cb->upin) )
425 return 0;
426
427 if (which == CARD_ADMIN_PIN)
428 s = _("Please enter the 'Admin PIN'");
429 else if (which == CARD_USER_PIN)
430 s = _("Please enter the 'User PIN'");
431 else
432 s = _("Please enter the PIN");
433 cb->which = which;
434 free_if_alloc( cb->info_text );
435 if( card ) {
436 fmt = _("%s\nName: %s %s\nSerial-No: %s\n");
437 n1 = card->givenname;
438 n2 = card->surname;
439 if( !n1 || !n2 ) {
440 n1 = "No"; n2 = "Name";
441 }
442 serial = card->serial;
443 if (!serial)
444 serial = "No Serial ID";
445 n = strlen( n1 ) + strlen( n2 ) + strlen( fmt ) + strlen( serial ) + 3;
446 p = cb->info_text = new char[strlen (s)+n+1];
447 if( !p )
448 BUG (0);
449 sprintf (p, fmt, s, n1, n2, serial);
450 }
451 else
452 p = cb->info_text = m_strdup (s);
453 DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_PIN, dlg,
454 pin_cb_dlg_proc, (LPARAM)cb);
455 if (!cb->apin && !cb->upin) {
456 safe_free (cb->info_text);
457 return -1;
458 }
459 return 0;
460 }
461
462
463 /* Dialog box procedure for card edit. */
464 BOOL CALLBACK
465 card_edit_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
466 {
467 static gpg_card_t card;
468 char tmp[128];
469 size_t n=0;
470
471 switch (msg) {
472 case WM_INITDIALOG:
473 card = (gpg_card_t)lparam;
474 if (!card)
475 BUG (0);
476 prepare_dialog (dlg);
477 if (card_status (dlg, card ))
478 EndDialog (dlg, TRUE);
479 SetDlgItemText (dlg, IDC_CEDIT_NAMEINF, _("&Name"));
480 SetDlgItemText (dlg, IDC_CEDIT_LANGINF, _("&Language"));
481 SetDlgItemText (dlg, IDC_CEDIT_KURLINF, _("&Key-URL"));
482 SetDlgItemText (dlg, IDC_CEDIT_LOGINF, _("&Login"));
483 SetDlgItemText (dlg, IDC_CEDIT_SEXINF, _("&Sex"));
484 SetDlgItemText (dlg, IDOK, _("&OK"));
485 SetDlgItemText (dlg, IDCANCEL, _("&Exit"));
486 SetDlgItemText (dlg, IDC_CEDIT_NEWKEYS, _("&New keys"));
487 SetDlgItemText (dlg, IDC_CEDIT_CHPIN, _("Change &PIN"));
488 center_window (dlg, NULL);
489 SetForegroundWindow (dlg);
490 return TRUE;
491
492 case WM_DESTROY:
493 free_pincb (&pincb);
494 memset (&pincb, 0, sizeof pincb);
495 break;
496
497 case WM_COMMAND:
498 switch (HIWORD (wparam)) {
499 case CBN_KILLFOCUS:
500 case CBN_EDITCHANGE:
501 case CBN_EDITUPDATE:
502 int ctlid = GetDlgCtrlID ((HWND)lparam);
503 int dstid = 0;
504
505 switch (ctlid) {
506 case IDC_CEDIT_LANG: dstid = IDC_CEDIT_LANG2; break;
507 case IDC_CEDIT_SEX: dstid = IDC_CEDIT_SEX2; break;
508 }
509 GetDlgItemText (dlg, ctlid, tmp, sizeof (tmp)-1);
510 SetDlgItemText (dlg, dstid, tmp);
511 break;
512 }
513 switch (LOWORD (wparam)) {
514 case IDC_CEDIT_CHPIN:
515 DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_CHPIN, dlg,
516 card_changepin_dlg_proc, 0);
517 break;
518
519 case IDC_CEDIT_NEWKEYS:
520 if (item_get_text_length (dlg, IDC_CEDIT_FPR1) > 0) {
521 int id = msg_box (dlg,
522 _("This operation will override the keys on the card.\n"
523 "Continue?"), _("Card Edit"), MB_WARN|MB_YESNO);
524 if (id == IDNO)
525 return TRUE;
526 }
527 DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_KEYGEN,
528 dlg, card_keygen_dlg_proc, 0);
529 break;
530
531 case IDOK:
532 n = do_proc_card_cmds (dlg, NULL, NULL);
533 if (n) {
534 if (do_askpin (dlg, CARD_ADMIN_PIN, card, &pincb))
535 EndDialog (dlg, FALSE);
536 }
537 do_proc_card_cmds (dlg, &pincb, card);
538 free_pincb (&pincb);
539 if (!n)
540 EndDialog (dlg, TRUE);
541 break;
542
543 case IDCANCEL:
544 EndDialog (dlg, FALSE);
545 break;
546 }
547 break;
548 }
549
550 return FALSE;
551 }
552
553
554 static int /* fixme: works only roughly */
555 calc_days (int y2, int m2, int d2,
556 int y1, int m1, int d1)
557
558 {
559 int n=0;
560
561 if ((y2-y1) > 0)
562 n += (y2-y1)*365;
563 if ((m2-m1) > 0)
564 n += (m2-m1)*30;
565 if ((d2-d1) > 0)
566 n += (d2-d1);
567 else if ((d2-d1) < 0)
568 n -= (d1-d2);
569 return n;
570 }
571
572
573 /* Dialog box procedure for the key generation on cards. */
574 BOOL CALLBACK
575 card_keygen_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
576 {
577 gpgme_error_t err;
578 GpgCardEdit *ce;
579 char name[128], email[128], comment[128];
580 char pass[128];
581 int card_flags = GPG_CARDFLAG_NONE;
582 int expires=0, valid=0;
583 DWORD n;
584
585 switch (msg) {
586 case WM_INITDIALOG:
587 CheckDlgButton (dlg, IDC_CKEYGEN_REPLACE, BST_CHECKED);
588 CheckDlgButton (dlg, IDC_CKEYGEN_NEVER, BST_CHECKED);
589 CheckDlgButton (dlg, IDC_CKEYGEN_BACKUP, BST_CHECKED);
590 EnableWindow (GetDlgItem (dlg, IDC_CKEYGEN_VALID), FALSE);
591 SendDlgItemMessage (dlg, IDC_CKEYGEN_ALG, CB_ADDSTRING, 0,
592 (LPARAM)(const char*)"RSA");
593 SendDlgItemMessage (dlg, IDC_CKEYGEN_ALG, CB_SETCURSEL, 0, 0);
594 SetDlgItemText (dlg, IDC_CKEYGEN_PKINF, _("Pubkey algorithm"));
595 SetDlgItemText (dlg, IDC_CKEYGEN_NAMEINF, _("&Name"));
596 SetDlgItemText (dlg, IDC_CKEYGEN_CMTINF, _("&Comment (optional)"));
597 SetDlgItemText (dlg, IDC_CKEYGEN_EXPDATEINF, _("&Expire date"));
598 SetDlgItemText (dlg, IDC_CKEYGEN_PWDINF, _("Off-card passphrase"));
599 SetDlgItemText (dlg, IDC_CKEYGEN_NEVER, _("&Never"));
600 SetDlgItemText (dlg, IDC_CKEYGEN_MAILINF, _("Email &address"));
601 SetDlgItemText (dlg, IDC_CKEYGEN_REPLACE, _("Overwrite old keys on the card"));
602 SetDlgItemText (dlg, IDC_CKEYGEN_BACKUP, _("Make off-card backup of encryption key"));
603 SetWindowText (dlg, _("Card Key Generation"));
604 center_window (dlg, NULL);
605 SetForegroundWindow (dlg);
606 SetFocus (GetDlgItem (dlg, IDC_CKEYGEN_NAME));
607 return FALSE;
608
609 case WM_COMMAND:
610 if (HIWORD (wparam) == BN_CLICKED &&
611 (LOWORD (wparam) == IDC_CKEYGEN_BACKUP) ||
612 LOWORD (wparam) == IDC_CKEYGEN_NEVER) {
613 EnableWindow (GetDlgItem (dlg, IDC_CKEYGEN_VALID),
614 IsDlgButtonChecked (dlg, IDC_CKEYGEN_NEVER)? 0: 1);
615 EnableWindow (GetDlgItem (dlg, IDC_CKEYGEN_PASS),
616 IsDlgButtonChecked (dlg, IDC_CKEYGEN_BACKUP)? 1 : 0);
617 return TRUE;
618 }
619
620 switch (LOWORD (wparam)) {
621 case IDOK:
622 n = item_get_text_length (dlg, IDC_CKEYGEN_NAME);
623 if (!n) {
624 msg_box (dlg, _("Please enter your name."), _("Card Edit"), MB_ERR);
625 return TRUE;
626 }
627 if (n < 5) {
628 msg_box (dlg, _("Name must be at least 5 characters long."),
629 _("Card Edit"), MB_INFO);
630 return TRUE;
631 }
632 n = item_get_text_length (dlg, IDC_CKEYGEN_EMAIL);
633 if (!n) {
634 msg_box (dlg, _("Please enter your e-mail address."),
635 _("Card Edit"), MB_ERR);
636 return TRUE;
637 }
638 GetDlgItemText (dlg, IDC_CKEYGEN_NAME, name, sizeof (name)-1);
639 GetDlgItemText (dlg, IDC_CKEYGEN_EMAIL, email, sizeof (email)-1);
640 if (check_email_address (email) || n < 3) {
641 msg_box (dlg, _("Please enter a valid e-mail address."),
642 _("Card Edit"), MB_ERR);
643 return TRUE;
644 }
645 n = GetDlgItemText (dlg, IDC_CKEYGEN_PASS, pass, sizeof (pass)-1);
646 if (!n && IsDlgButtonChecked (dlg, IDC_CKEYGEN_BACKUP)) {
647 msg_box (dlg, _("Please enter an off-card passphrase."),
648 _("Card Edit"), MB_ERR);
649 return TRUE;
650 }
651 n = item_get_text_length (dlg, IDC_CKEYGEN_COMMENT);
652 if (n > 0)
653 GetDlgItemText (dlg, IDC_CKEYGEN_COMMENT, comment, sizeof (comment)-1);
654 if (is_8bit_string (name) || n > 0 && is_8bit_string (comment)) {
655 msg_box (dlg, _("Please use plain ASCII charset for the fields."),
656 _("Card Edit"), MB_INFO);
657 return TRUE;
658 }
659 memset (&pincb, 0, sizeof (pincb));
660 if (do_askpin (dlg, CARD_ADMIN_PIN, NULL, &pincb)) {
661 free_pincb (&pincb);
662 return TRUE;
663 }
664 if (do_askpin (dlg, CARD_USER_PIN, NULL, &pincb)) {
665 free_pincb (&pincb);
666 return TRUE;
667 }
668 ce = create_GpgCardEdit ();
669
670 expires = !IsDlgButtonChecked (dlg, IDC_CKEYGEN_NEVER);
671 if (expires) {
672 SYSTEMTIME st, ct;
673
674 DateTime_GetSystemtime (GetDlgItem (dlg, IDC_CKEYGEN_VALID), &st);
675 if (!keygen_check_date (&st)) {
676 msg_box (dlg, _("The date you have chosen has already passed."),
677 _("Card Edit"), MB_ERR);
678 free_pincb (&pincb);
679 delete ce;
680 return TRUE;
681 }
682 GetSystemTime (&ct);
683 /* XXX this is not very precise */
684 valid = calc_days (st.wYear, st.wMonth, st.wDay,
685 ct.wYear, ct.wMonth, ct.wDay);
686 }
687 if (IsDlgButtonChecked (dlg, IDC_CKEYGEN_REPLACE))
688 card_flags |= GPG_CARDFLAG_REPLACE;
689 if (IsDlgButtonChecked (dlg, IDC_CKEYGEN_BACKUP))
690 card_flags |= GPG_CARDFLAG_BAKENC;
691 ce->setKeygenPassphrase (pass);
692 ce->setPIN (pincb.upin);
693 ce->setAdminPIN (pincb.apin);
694
695 SetCursor (LoadCursor (NULL, IDC_WAIT));
696 err = ce->genKey (card_flags, name, email, n? comment: NULL,
697 expires? valid : 0, NULL);
698 SetCursor (LoadCursor (NULL, IDC_ARROW));
699
700 if (gpgme_err_code (err) == GPG_ERR_CANCELED)
701 msg_box (dlg, _("Operation was canceled. It seems that there are "
702 "existing\nkeys on the cards. You need to mark the "
703 "'Overwrite' flag."), _("Card Edit"), MB_INFO);
704 else
705 if (err)
706 msg_box (dlg, "The operation does not succeed.\n"
707 "Please make sure you entered the right PIN's."
708 , _("Card Edit"), MB_ERR);
709 else
710 msg_box (dlg, _("Keys successfully created."),
711 _("Card Edit"), MB_OK);
712 wipememory (pass, sizeof (pass));
713 free_pincb (&pincb);
714 delete ce;
715 EndDialog (dlg, TRUE);
716 return TRUE;
717
718 case IDCANCEL:
719 EndDialog (dlg, FALSE);
720 return TRUE;
721 }
722 break;
723 }
724 return FALSE;
725 }
726
727
728 /* Check if the given pinlen is valid.
729 @which decided what PIN will be used.
730 @pinlen is the pin length entered by the user.
731 Return value: 0 on success. */
732 static int
733 check_pin_len (int which, int flag, int pinlen)
734 {
735 if (!pinlen) {
736 if (flag)
737 msg_box (NULL, _("Please enter the old card PIN."), _("Card Edit"), MB_ERR);
738 else
739 msg_box (NULL, _("Please enter the new card PIN."), _("Card Edit"), MB_ERR);
740 return -1;
741 }
742 if (which == CARD_ADMIN_PIN
743 && pinlen < 8) {
744 msg_box (NULL, _("Admin PIN must be at least 8 characters."), _("Card Edit"), MB_ERR);
745 return -1;
746 }
747 if (which == CARD_USER_PIN
748 && pinlen < 6) {
749 msg_box (NULL, _("PIN must be at least 6 characters."), _("Card Edit"), MB_ERR);
750 return -1;
751 }
752 return 0;
753 }
754
755 /* Dialog box procedure to change the PIN. */
756 BOOL CALLBACK
757 card_changepin_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
758 {
759 static int hide = 1;
760 gpgme_error_t err;
761 GpgCardEdit *ce;
762 char pold[128], pnew[128], pnew2[128];
763 int which = 0;
764 DWORD n;
765
766 switch( msg ) {
767 case WM_INITDIALOG:
768 hide = 1;
769 CheckDlgButton (dlg, IDC_CHPIN_HIDE, BST_CHECKED);
770 center_window (dlg, NULL);
771 CheckDlgButton (dlg, IDC_CHPIN_ISWORK, BST_CHECKED);
772 SetWindowText (dlg, _("Change Card PIN"));
773 SetForegroundWindow (dlg);
774 break;
775
776 case WM_COMMAND:
777 if (HIWORD (wparam) == BN_CLICKED && LOWORD (wparam) == IDC_CHPIN_HIDE) {
778 HWND hwnd;
779 hide ^= 1;
780 hwnd = GetDlgItem (dlg, IDC_CHPIN_OLDPIN);
781 SendMessage (hwnd, EM_SETPASSWORDCHAR, hide? '*' : 0, 0);
782 SetFocus (hwnd);
783 hwnd = GetDlgItem (dlg, IDC_CHPIN_NEWPIN);
784 SendMessage (hwnd, EM_SETPASSWORDCHAR, hide? '*' : 0, 0);
785 SetFocus (hwnd);
786 hwnd = GetDlgItem (dlg, IDC_CHPIN_NEWPIN2);
787 SendMessage (hwnd, EM_SETPASSWORDCHAR, hide? '*' : 0, 0);
788 SetFocus (hwnd);
789 }
790 switch (LOWORD (wparam)) {
791 case IDOK:
792 if (IsDlgButtonChecked (dlg, IDC_CHPIN_ISADMIN))
793 which = CARD_ADMIN_PIN;
794 else if (IsDlgButtonChecked (dlg, IDC_CHPIN_ISWORK))
795 which = CARD_USER_PIN;
796
797 n = item_get_text_length (dlg, IDC_CHPIN_OLDPIN);
798 if (check_pin_len (which, 1, n))
799 return TRUE;
800 n = item_get_text_length (dlg, IDC_CHPIN_NEWPIN);
801 if (check_pin_len (which, 0, n))
802 return TRUE;
803 n = item_get_text_length (dlg, IDC_CHPIN_NEWPIN2);
804 if (check_pin_len (which, 0, n))
805 return TRUE;
806 GetDlgItemText (dlg, IDC_CHPIN_OLDPIN, pold, sizeof (pold)-1);
807 GetDlgItemText (dlg, IDC_CHPIN_NEWPIN, pnew, sizeof (pnew)-1);
808 GetDlgItemText (dlg, IDC_CHPIN_NEWPIN2, pnew2, sizeof (pnew2)-1);
809 if (strcmp (pnew, pnew2)) {
810 wipememory (pnew2, sizeof (pnew2));
811 wipememory (pnew, sizeof (pnew));
812 msg_box (dlg, _("Passphrases do not match. Please try again."),
813 _("Card Edit"), MB_ERR);
814 return TRUE;
815 }
816
817 ce = create_GpgCardEdit ();
818 if (which == CARD_ADMIN_PIN)
819 ce->setAdminPIN (pold);
820 else
821 ce->setPIN (pold);
822 ce->setNewPIN (pnew);
823 err = ce->changePIN (which == CARD_ADMIN_PIN? GPG_EDITCARD_CHAPIN :
824 GPG_EDITCARD_CHUPIN);
825 if (err)
826 msg_box (dlg, gpgme_strerror (err), _("Card Edit"), MB_ERR);
827 else {
828 msg_box (dlg, _("PIN successfully changed."),
829 _("Card Edit"), MB_OK);
830 SetDlgItemText (dlg, IDC_CHPIN_NEWPIN, "");
831 SetDlgItemText (dlg, IDC_CHPIN_OLDPIN, "");
832 SetDlgItemText (dlg, IDC_CHPIN_NEWPIN2, "");
833 }
834 wipememory (pold, sizeof (pold));
835 wipememory (pnew, sizeof (pnew));
836 wipememory (pnew2, sizeof (pnew2));
837 delete ce;
838 break;
839
840 case IDCANCEL:
841 SetDlgItemText (dlg, IDC_CHPIN_NEWPIN, "");
842 SetDlgItemText (dlg, IDC_CHPIN_OLDPIN, "");
843 SetDlgItemText (dlg, IDC_CHPIN_NEWPIN2, "");
844 EndDialog (dlg, FALSE);
845 break;
846 }
847 break;
848 }
849
850 return FALSE;
851 }

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