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

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Revision 306 - (show annotations)
Fri Mar 23 14:07:24 2007 UTC (17 years, 11 months ago) by twoaday
File size: 22809 byte(s)


1 /* wptCardDlg.cpp - Smart Card support
2 * Copyright (C) 2003-2007 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 #ifdef HAVE_CONFIG_H
18 #include <config.h>
19 #endif
20
21 #include <windows.h>
22 #include <commctrl.h>
23 #include <ctype.h>
24
25 #include "resource.h"
26 #include "gpgme.h"
27 #include "wptTypes.h"
28 #include "wptW32API.h"
29 #include "wptErrors.h"
30 #include "wptRegistry.h"
31 #include "wptVersion.h"
32 #include "wptCommonCtl.h"
33 #include "wptDlgs.h"
34 #include "wptGPG.h"
35 #include "wptUTF8.h"
36 #include "wptCardEdit.h"
37 #include "wptCard.h"
38 #include "wptContext.h"
39 #include "StringBuffer.h"
40
41 int keygen_check_date (SYSTEMTIME * st);
42
43
44 #define OPENPGP_APPID "D276000124"
45
46 /* Possible values for the sex field. */
47 static const char *sex[] = {"Male", "Female", "Undefined", NULL};
48
49 /* Predefined languages. */
50 static const char *lang[] = {"Undefined", "cs", "de", "en", "es", "fr", "hu",
51 "it", "nl", "pt", "ro", "ru", "zh", "at",
52 NULL};
53
54 /* PIN callback context. */
55 static pin_cb_ctx_s pincb;
56
57 /* Attribute table. */
58 struct {
59 int ctlid;
60 const char *err;
61 } attr_tab[] = {
62 {IDC_CEDIT_AID, ""},
63 {IDC_CEDIT_VENDOR, "No Vendor"},
64 {IDC_CEDIT_VERSION,"No Version"},
65 {IDC_CEDIT_SERIAL, "No Serial-No"},
66 {IDC_CEDIT_NAME, "No Name"},
67 {IDC_CEDIT_NAME2, "No Surname"},
68 {IDC_CEDIT_KEYURL, "No Key-URL"},
69 {IDC_CEDIT_LOGIN, "No Login name"},
70 {0},
71 };
72
73
74
75 /* Return all card attributes from @card. @n contains
76 the number of items which were returned. */
77 char**
78 card_get_items (gpg_card_t card, int *n)
79 {
80 static char printver[16];
81 char **p;
82
83 *n= 8;
84 p = (char **)calloc (*n+1, sizeof (char*));
85 if (!p)
86 BUG (0);
87 _snprintf (printver, sizeof (printver)-1, "%d.%d",
88 card->ver[0], card->ver[1]);
89 p[0] = card->aid;
90 p[1] = card->vendor;
91 p[2] = printver;
92 p[3] = card->serial;
93 p[4] = card->givenname;
94 p[5] = card->surname;
95 p[6] = card->url;
96 p[7] = card->login;
97 return p;
98 }
99
100
101 static int
102 idx_from_lang (const char *_lang)
103 {
104 const char *s;
105 int i;
106
107 if (!_lang)
108 return 0;
109 for (i=0; (s = lang[i]); i++) {
110 if (!strcmp (_lang, s))
111 return i;
112 }
113 return 0;
114 }
115
116
117 /* Check if there is a card in the reader and analyze the
118 returned information.
119 Return value: card context or NULL on error. */
120 gpg_card_t
121 gpg_card_load (void)
122 {
123 gpgme_error_t err;
124 GpgCardEdit ce;
125 gpg_card_t card = NULL;
126 struct card_cb_s cb = {0};
127
128 memset (&cb, 0, sizeof (cb));
129 ce.setCallback (card_callback, &cb);
130 err = ce.getCardStatus (&card);
131 if (err) {
132 msg_box (NULL, gpgme_strerror (err), _("Card Manager"), MB_ERR);
133 return card;
134 }
135
136 if (!card->aid ||
137 strncmp (card->aid, OPENPGP_APPID, strlen (OPENPGP_APPID))) {
138 msg_box (NULL, winpt_strerror (WPTERR_NOPGPCARD), "WinPT", MB_ERR);
139 gpg_card_release (card);
140 return NULL;
141 }
142 else {
143 struct winpt_key_s key;
144
145 memset (&key, 0, sizeof (key));
146 winpt_get_pubkey (card->fpr[1]+32, &key);
147 if (key.ext) {
148 key.ext->card_type = m_strdup (card->card_type);
149 /* memory will be released in gpg_keycache_release (). */
150 }
151 }
152
153 return card;
154 }
155
156
157 /* Print human friendly fingerprint to control @id in the
158 dialog @dlg. @fpr contains the raw fingerprint. */
159 static void
160 print_fpr (HWND dlg, int id, const char * fpr)
161 {
162 char buf[128], dig[2];
163 size_t i, c;
164
165 if (!fpr)
166 strcpy (buf, _("No Fingerprint"));
167 else {
168 memset (buf, 0, sizeof (buf));
169 for (i=0, c=0; i < strlen (fpr); i++) {
170 dig[0] = fpr[i]; dig[1] = 0;
171 strcat (buf, dig);
172 if (++c == 4) {
173 strcat (buf, " ");
174 c=0;
175 }
176 }
177 }
178 SetDlgItemText (dlg, id, buf);
179 }
180
181
182 /* Fill in all card information from @card. into the corresponding
183 dialog item fields in the dialog @dlg.
184 Return value: 0 on success. */
185 static int
186 card_status (HWND dlg, gpg_card_t card)
187 {
188 static int fprbuf[] = {IDC_CEDIT_FPR1, IDC_CEDIT_FPR2, IDC_CEDIT_FPR3, 0};
189 static int fprtime[] = {IDC_CEDIT_SIG_FPRTIME, IDC_CEDIT_DEC_FPRTIME,
190 IDC_CEDIT_AUTH_FPRTIME, 0};
191 const char *s;
192 char **attrs;
193 char cardinf[128];
194 int idx=0, n=0;
195
196 if (!card->aid) {
197 msg_box (dlg, _("No OpenPGP smart card detected."), "WinPT", MB_ERR);
198 return -1;
199 }
200 SetDlgItemText (dlg, IDC_CEDIT_AID, card->aid);
201 SetDlgItemInt (dlg, IDC_CEDIT_SIGCOUNT, card->sig_count, TRUE);
202
203 for (idx=0; fprbuf[idx]; idx++) {
204 print_fpr (dlg, fprbuf[idx], card->fpr[idx]);
205 s = card->fpr_created_str[idx];
206 if (!s) /* no keys on the card. */
207 s = "";
208 SetDlgItemText (dlg, fprtime[idx], s);
209 }
210
211 attrs = card_get_items (card, &n);
212 for (idx=1; attr_tab[idx].ctlid; idx++) {
213 s = attrs[idx];
214 SetDlgItemText (dlg, attr_tab[idx].ctlid,
215 s && *s? s : attr_tab[idx].err);
216 }
217 safe_free (attrs);
218
219 idx = idx_from_lang (card->lang);
220 SendDlgItemMessage (dlg, IDC_CEDIT_LANG, CB_SETCURSEL, (WPARAM)idx, 0);
221
222 switch (card->sex) {
223 case 'm': idx=0; break;
224 case 'f': idx=1; break;
225 default :
226 case 'u': idx=2; break;
227 }
228 SendDlgItemMessage (dlg, IDC_CEDIT_SEX, CB_SETCURSEL, (WPARAM)idx, 0);
229
230 s = card->serial;
231 while (s && *s == '0') s++;
232 _snprintf (cardinf, sizeof (cardinf)-1,
233 "Card Edit - %s serial no. %s version %d.%d",
234 card->card_type, s, card->ver[0], card->ver[1]);
235 SetWindowText (dlg, cardinf);
236
237 return 0;
238 }
239
240
241 /* Initialize the enum combox boxes in dialog @dlg. */
242 static void
243 prepare_dialog (HWND dlg)
244 {
245 const char * s;
246 int i;
247
248 for (i=0; (s = sex[i]); i++)
249 SendDlgItemMessage (dlg, IDC_CEDIT_SEX, CB_ADDSTRING, 0, (LPARAM) s);
250 SendDlgItemMessage (dlg, IDC_CEDIT_SEX, CB_SETCURSEL, 0, 0);
251 for (i=0; (s = lang[i]); i++)
252 SendDlgItemMessage (dlg, IDC_CEDIT_LANG, CB_ADDSTRING, 0, (LPARAM)s);
253 SendDlgItemMessage (dlg, IDC_CEDIT_LANG, CB_SETCURSEL, 0, 0);
254 }
255
256
257 /* Return 0 if the given string @str has the proper format. */
258 static int
259 check_string (const char *str, int flags)
260 {
261 size_t i;
262
263 for (i=0; i < strlen (str); i++) {
264 if (flags & 0x02 && !isalpha (str[i]))
265 return -1;
266 }
267 return 0;
268 }
269
270
271 static int
272 do_proc_card_cmds (HWND dlg, struct pin_cb_ctx_s *cb, gpg_card_t card)
273 {
274 static struct {
275 int id;
276 int cmd;
277 int us_ascii;
278 int changed;
279 } idctl[] = {
280 {IDC_CEDIT_NAME, GPG_EDITCARD_NAME, 1, 0},
281 {IDC_CEDIT_LANG2, GPG_EDITCARD_LANG, 1, 0},
282 {IDC_CEDIT_SEX2, GPG_EDITCARD_SEX, 1|1,0},
283 {IDC_CEDIT_KEYURL,GPG_EDITCARD_KEYURL,1|4,0},
284 {IDC_CEDIT_LOGIN, GPG_EDITCARD_LOGIN, 1, 0},
285 {0}
286 };
287 gpgme_error_t err;
288 GpgCardEdit ce;
289 char buf[256], tmp[128];
290 int errc=0, use_arg2 = 0;
291 int i, id, n=0;
292
293 /* XXX rewrite the entire function */
294 for( i=0; idctl[i].id; i++ ) /* reset */
295 idctl[i].changed = 0;
296
297 if( SendMessage( GetDlgItem( dlg, IDC_CEDIT_LANG2 ), WM_GETTEXTLENGTH, 0, 0 ) ) {
298 idctl[1].changed = 1;
299 n++;
300 }
301 if( SendMessage( GetDlgItem( dlg, IDC_CEDIT_SEX2 ), WM_GETTEXTLENGTH, 0, 0 ) ) {
302 idctl[2].changed = 1;
303 n++;
304 }
305
306 if( SendDlgItemMessage( dlg, IDC_CEDIT_NAME2, EM_GETMODIFY, 0, 0 ) ) {
307 idctl[0].changed = 1;
308 n++;
309 }
310 for( i=0; (id = idctl[i].id); i++ ) {
311 if( SendDlgItemMessage( dlg, id, EM_GETMODIFY, 0, 0 ) ) {
312 idctl[i].changed = 1;
313 n++;
314 }
315 }
316 if (!cb || !card) /* just return the changed elements */
317 return n;
318 if (!n)
319 return 0;
320 if (!cb->apin) {
321 msg_box (dlg, _("No PINs found."), _("Card Edit"), MB_ERR);
322 return 0;
323 }
324
325 ce.setAdminPIN (cb->apin);
326 for( i=0; idctl[i].id; i++ ) {
327 if( idctl[i].changed ) {
328 GetDlgItemText( dlg, idctl[i].id, buf, sizeof (buf)-1 );
329 if (idctl[i].us_ascii && is_8bit_string (buf)) {
330 msg_box (dlg, _("Only plain ASCII is currently allowed."),
331 _("Card Edit"), MB_ERR);
332 errc--; continue;
333 }
334 if( (idctl[i].us_ascii & 2) && check_string( buf, 2 ) ) {
335 msg_box( dlg, _("Only alphabetic characters are allowed."),
336 _("Card Edit"), MB_ERR );
337 errc--; continue;
338 }
339 if ((idctl[i].us_ascii & 4) &&
340 (!strchr (buf, ':') || !strstr (buf, "//"))) {
341 /* XXX: better URL check. */
342 msg_box (dlg, _("Invalid URL."), _("Card Edit"), MB_ERR);
343 errc--; continue;
344 }
345 if( idctl[i].cmd == GPG_EDITCARD_NAME ) {
346 /* The "name" command actually needs two fields */
347 GetDlgItemText( dlg, IDC_CEDIT_NAME2, tmp, sizeof tmp-1 );
348 use_arg2 = 1;
349 }
350 else
351 use_arg2 = 0;
352 err = ce.doCmd (idctl[i].cmd, buf, use_arg2? tmp : NULL);
353 if (err) {
354 log_box (_("Card Edit"), MB_ERR,
355 _("Could not modify card attribute: %s"),
356 gpgme_strerror (err));
357 errc--;
358 /* If no card is inserted, we leave the loop. */
359 if (gpgme_err_code (err) == GPG_ERR_CARD_NOT_PRESENT)
360 break;
361 }
362 }
363 }
364 if (!errc) {
365 /* if the operation(s) succeeded, reset the modify flag for each control */
366 for( i = 0; idctl[i].id; i++ )
367 SendDlgItemMessage( dlg, idctl[i].id, EM_SETMODIFY, (WPARAM)(UINT)FALSE, 0 );
368 msg_box( dlg, _("Card attribute changed."), _("Card Edit"), MB_OK );
369 SetDlgItemText( dlg, IDC_CEDIT_LANG2, "" );
370 SetDlgItemText( dlg, IDC_CEDIT_SEX2, "" );
371 }
372 return errc;
373 }
374
375
376 /* Cleanup pin callback @ctx. */
377 void
378 free_pincb (struct pin_cb_ctx_s *ctx)
379 {
380 if (!ctx)
381 return;
382 free_if_alloc (ctx->info_text);
383 sfree_if_alloc (ctx->upin);
384 sfree_if_alloc (ctx->apin);
385 }
386
387
388 /* Request a PIN from the user. @which decided if the
389 normal PIN or the admin PIN will be requested.
390 @card is used to show some information to the user.
391 @pincb is the actuall callback context.
392 Return value: 0 on success. */
393 static int
394 do_askpin (HWND dlg, int which, gpg_card_t card,
395 struct pin_cb_ctx_s *cb)
396 {
397 const char *s;
398 char *p;
399
400 if( (which == CARD_ADMIN_PIN && cb->apin) ||
401 (which == CARD_USER_PIN && cb->upin) )
402 return 0;
403
404 if (which == CARD_ADMIN_PIN)
405 s = _("Please enter the 'Admin PIN'");
406 else if (which == CARD_USER_PIN)
407 s = _("Please enter the 'User PIN'");
408 else
409 s = _("Please enter the PIN");
410 cb->which = which;
411 free_if_alloc (cb->info_text);
412 if (card) {
413 StringBuffer buf;
414
415 buf = s;
416 buf = buf + "\nName: " + (card->givenname?card->givenname: "No");
417 buf = buf + " " + (card->surname?card->surname : "Name");
418 buf = buf + "\nSerial-No:" + card->serial;
419 p = buf.getBufferCopy ();
420 }
421 else
422 p = cb->info_text = m_strdup (s);
423 DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_PIN, dlg,
424 pin_cb_dlg_proc, (LPARAM)cb);
425 if (!cb->apin && !cb->upin) {
426 safe_free (cb->info_text);
427 return -1;
428 }
429 return 0;
430 }
431
432
433 /* Dialog box procedure for card edit. */
434 BOOL CALLBACK
435 card_edit_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
436 {
437 static gpg_card_t card;
438 char tmp[128];
439 size_t n=0;
440
441 switch (msg) {
442 case WM_INITDIALOG:
443 card = (gpg_card_t)lparam;
444 if (!card)
445 BUG (0);
446 prepare_dialog (dlg);
447 if (card_status (dlg, card ))
448 EndDialog (dlg, TRUE);
449 SetDlgItemText (dlg, IDC_CEDIT_NAMEINF, _("&Name"));
450 SetDlgItemText (dlg, IDC_CEDIT_LANGINF, _("&Language"));
451 SetDlgItemText (dlg, IDC_CEDIT_KURLINF, _("&Key-URL"));
452 SetDlgItemText (dlg, IDC_CEDIT_LOGINF, _("&Login"));
453 SetDlgItemText (dlg, IDC_CEDIT_SEXINF, _("&Sex"));
454 SetDlgItemText (dlg, IDOK, _("&OK"));
455 SetDlgItemText (dlg, IDCANCEL, _("&Exit"));
456 SetDlgItemText (dlg, IDC_CEDIT_NEWKEYS, _("&New keys"));
457 SetDlgItemText (dlg, IDC_CEDIT_CHPIN, _("Change &PIN"));
458 center_window (dlg, NULL);
459 SetForegroundWindow (dlg);
460 return TRUE;
461
462 case WM_DESTROY:
463 free_pincb (&pincb);
464 memset (&pincb, 0, sizeof pincb);
465 break;
466
467 case WM_COMMAND:
468 switch (HIWORD (wparam)) {
469 case CBN_KILLFOCUS:
470 case CBN_EDITCHANGE:
471 case CBN_EDITUPDATE:
472 int ctlid = GetDlgCtrlID ((HWND)lparam);
473 int dstid = 0;
474
475 switch (ctlid) {
476 case IDC_CEDIT_LANG: dstid = IDC_CEDIT_LANG2; break;
477 case IDC_CEDIT_SEX: dstid = IDC_CEDIT_SEX2; break;
478 }
479 GetDlgItemText (dlg, ctlid, tmp, sizeof (tmp)-1);
480 SetDlgItemText (dlg, dstid, tmp);
481 break;
482 }
483 switch (LOWORD (wparam)) {
484 case IDC_CEDIT_CHPIN:
485 DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_CHPIN, dlg,
486 card_changepin_dlg_proc, 0);
487 break;
488
489 case IDC_CEDIT_NEWKEYS:
490 if (item_get_text_length (dlg, IDC_CEDIT_FPR1) > 0) {
491 int id = msg_box (dlg,
492 _("This operation will override the keys on the card.\n"
493 "Continue?"), _("Card Edit"), MB_WARN|MB_YESNO);
494 if (id == IDNO)
495 return TRUE;
496 }
497 DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_KEYGEN,
498 dlg, card_keygen_dlg_proc, 0);
499 break;
500
501 case IDOK:
502 n = do_proc_card_cmds (dlg, NULL, NULL);
503 if (n) {
504 if (do_askpin (dlg, CARD_ADMIN_PIN, card, &pincb))
505 EndDialog (dlg, FALSE);
506 }
507 do_proc_card_cmds (dlg, &pincb, card);
508 free_pincb (&pincb);
509 if (!n)
510 EndDialog (dlg, TRUE);
511 break;
512
513 case IDCANCEL:
514 EndDialog (dlg, FALSE);
515 break;
516 }
517 break;
518 }
519
520 return FALSE;
521 }
522
523
524 static int /* fixme: works only roughly */
525 calc_days (int y2, int m2, int d2,
526 int y1, int m1, int d1)
527
528 {
529 int n=0;
530
531 if ((y2-y1) > 0)
532 n += (y2-y1)*365;
533 if ((m2-m1) > 0)
534 n += (m2-m1)*30;
535 if ((d2-d1) > 0)
536 n += (d2-d1);
537 else if ((d2-d1) < 0)
538 n -= (d1-d2);
539 return n;
540 }
541
542
543 /* Dialog box procedure for the key generation on cards. */
544 BOOL CALLBACK
545 card_keygen_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
546 {
547 gpgme_error_t err;
548 char name[128], email[128], comment[128];
549 char pass[128];
550 int card_flags = GPG_CARDFLAG_NONE;
551 int expires=0, valid=0;
552 DWORD n;
553
554 switch (msg) {
555 case WM_INITDIALOG:
556 CheckDlgButton (dlg, IDC_CKEYGEN_REPLACE, BST_CHECKED);
557 CheckDlgButton (dlg, IDC_CKEYGEN_NEVER, BST_CHECKED);
558 CheckDlgButton (dlg, IDC_CKEYGEN_BACKUP, BST_CHECKED);
559 EnableWindow (GetDlgItem (dlg, IDC_CKEYGEN_VALID), FALSE);
560 SendDlgItemMessage (dlg, IDC_CKEYGEN_ALG, CB_ADDSTRING, 0,
561 (LPARAM)(const char*)"RSA");
562 SendDlgItemMessage (dlg, IDC_CKEYGEN_ALG, CB_SETCURSEL, 0, 0);
563 SetDlgItemText (dlg, IDC_CKEYGEN_PKINF, _("Pubkey algorithm"));
564 SetDlgItemText (dlg, IDC_CKEYGEN_NAMEINF, _("&Name"));
565 SetDlgItemText (dlg, IDC_CKEYGEN_CMTINF, _("&Comment (optional)"));
566 SetDlgItemText (dlg, IDC_CKEYGEN_EXPDATEINF, _("&Expire date"));
567 SetDlgItemText (dlg, IDC_CKEYGEN_PWDINF, _("Off-card passphrase"));
568 SetDlgItemText (dlg, IDC_CKEYGEN_NEVER, _("&Never"));
569 SetDlgItemText (dlg, IDC_CKEYGEN_MAILINF, _("Email &address"));
570 SetDlgItemText (dlg, IDC_CKEYGEN_REPLACE, _("Overwrite old keys on the card"));
571 SetDlgItemText (dlg, IDC_CKEYGEN_BACKUP, _("Make off-card backup of encryption key"));
572 SetWindowText (dlg, _("Card Key Generation"));
573 center_window (dlg, NULL);
574 SetForegroundWindow (dlg);
575 SetFocus (GetDlgItem (dlg, IDC_CKEYGEN_NAME));
576 return FALSE;
577
578 case WM_COMMAND:
579 if (HIWORD (wparam) == BN_CLICKED &&
580 (LOWORD (wparam) == IDC_CKEYGEN_BACKUP) ||
581 LOWORD (wparam) == IDC_CKEYGEN_NEVER) {
582 EnableWindow (GetDlgItem (dlg, IDC_CKEYGEN_VALID),
583 IsDlgButtonChecked (dlg, IDC_CKEYGEN_NEVER)? 0: 1);
584 EnableWindow (GetDlgItem (dlg, IDC_CKEYGEN_PASS),
585 IsDlgButtonChecked (dlg, IDC_CKEYGEN_BACKUP)? 1 : 0);
586 return TRUE;
587 }
588
589 switch (LOWORD (wparam)) {
590 case IDOK:
591 n = item_get_text_length (dlg, IDC_CKEYGEN_NAME);
592 if (!n) {
593 msg_box (dlg, _("Please enter your name."), _("Card Edit"), MB_ERR);
594 return TRUE;
595 }
596 if (n < 5) {
597 msg_box (dlg, _("Name must be at least 5 characters long."),
598 _("Card Edit"), MB_INFO);
599 return TRUE;
600 }
601 n = item_get_text_length (dlg, IDC_CKEYGEN_EMAIL);
602 if (!n) {
603 msg_box (dlg, _("Please enter your e-mail address."),
604 _("Card Edit"), MB_ERR);
605 return TRUE;
606 }
607 GetDlgItemText (dlg, IDC_CKEYGEN_NAME, name, sizeof (name)-1);
608 GetDlgItemText (dlg, IDC_CKEYGEN_EMAIL, email, sizeof (email)-1);
609 if (check_email_address (email) || n < 3) {
610 msg_box (dlg, _("Please enter a valid e-mail address."),
611 _("Card Edit"), MB_ERR);
612 return TRUE;
613 }
614 n = GetDlgItemText (dlg, IDC_CKEYGEN_PASS, pass, sizeof (pass)-1);
615 if (!n && IsDlgButtonChecked (dlg, IDC_CKEYGEN_BACKUP)) {
616 msg_box (dlg, _("Please enter an off-card passphrase."),
617 _("Card Edit"), MB_ERR);
618 return TRUE;
619 }
620 n = item_get_text_length (dlg, IDC_CKEYGEN_COMMENT);
621 if (n > 0)
622 GetDlgItemText (dlg, IDC_CKEYGEN_COMMENT, comment, sizeof (comment)-1);
623 if (is_8bit_string (name) || n > 0 && is_8bit_string (comment)) {
624 msg_box (dlg, _("Please use plain ASCII charset for the fields."),
625 _("Card Edit"), MB_INFO);
626 return TRUE;
627 }
628 memset (&pincb, 0, sizeof (pincb));
629 if (do_askpin (dlg, CARD_ADMIN_PIN, NULL, &pincb)) {
630 free_pincb (&pincb);
631 return TRUE;
632 }
633 if (do_askpin (dlg, CARD_USER_PIN, NULL, &pincb)) {
634 free_pincb (&pincb);
635 return TRUE;
636 }
637
638 expires = !IsDlgButtonChecked (dlg, IDC_CKEYGEN_NEVER);
639 if (expires) {
640 SYSTEMTIME st, ct;
641
642 DateTime_GetSystemtime (GetDlgItem (dlg, IDC_CKEYGEN_VALID), &st);
643 if (!keygen_check_date (&st)) {
644 msg_box (dlg, _("The date you have chosen has already passed."),
645 _("Card Edit"), MB_ERR);
646 free_pincb (&pincb);
647 return TRUE;
648 }
649 GetSystemTime (&ct);
650 /* XXX this is not very precise */
651 valid = calc_days (st.wYear, st.wMonth, st.wDay,
652 ct.wYear, ct.wMonth, ct.wDay);
653 }
654 if (IsDlgButtonChecked (dlg, IDC_CKEYGEN_REPLACE))
655 card_flags |= GPG_CARDFLAG_REPLACE;
656 if (IsDlgButtonChecked (dlg, IDC_CKEYGEN_BACKUP))
657 card_flags |= GPG_CARDFLAG_BAKENC;
658
659 {
660 GpgCardEdit ce;
661
662 ce.setKeygenPassphrase (pass);
663 ce.setPIN (pincb.upin);
664 ce.setAdminPIN (pincb.apin);
665
666 SetCursor (LoadCursor (NULL, IDC_WAIT));
667 err = ce.genKey (card_flags, name, email, n? comment: NULL,
668 expires? valid : 0, NULL);
669 SetCursor (LoadCursor (NULL, IDC_ARROW));
670 }
671
672 if (gpgme_err_code (err) == GPG_ERR_CANCELED)
673 msg_box (dlg, _("Operation was canceled. It seems that there are "
674 "existing\nkeys on the cards. You need to mark the "
675 "'Overwrite' flag."), _("Card Edit"), MB_INFO);
676 else if (err)
677 msg_box (dlg, "The operation does not succeed.\n"
678 "Please make sure you entered the right PIN's."
679 , _("Card Edit"), MB_ERR);
680 else
681 msg_box (dlg, _("Keys successfully created."),
682 _("Card Edit"), MB_OK);
683 wipememory (pass, sizeof (pass));
684 free_pincb (&pincb);
685 EndDialog (dlg, TRUE);
686 return TRUE;
687
688 case IDCANCEL:
689 EndDialog (dlg, FALSE);
690 return TRUE;
691 }
692 break;
693 }
694 return FALSE;
695 }
696
697
698 /* Check if the given pinlen is valid.
699 @which decided what PIN will be used.
700 @pinlen is the pin length entered by the user.
701 Return value: 0 on success. */
702 static int
703 check_pin_len (int which, int flag, int pinlen)
704 {
705 if (!pinlen) {
706 if (flag)
707 msg_box (NULL, _("Please enter the old card PIN."), _("Card Edit"), MB_ERR);
708 else
709 msg_box (NULL, _("Please enter the new card PIN."), _("Card Edit"), MB_ERR);
710 return -1;
711 }
712 if (which == CARD_ADMIN_PIN
713 && pinlen < 8) {
714 msg_box (NULL, _("Admin PIN must be at least 8 characters."), _("Card Edit"), MB_ERR);
715 return -1;
716 }
717 if (which == CARD_USER_PIN
718 && pinlen < 6) {
719 msg_box (NULL, _("PIN must be at least 6 characters."), _("Card Edit"), MB_ERR);
720 return -1;
721 }
722 return 0;
723 }
724
725 /* Dialog box procedure to change the PIN. */
726 BOOL CALLBACK
727 card_changepin_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
728 {
729 static int hide = 1;
730 gpgme_error_t err;
731 char pold[128], pnew[128], pnew2[128];
732 int which = 0;
733 DWORD n;
734
735 switch( msg ) {
736 case WM_INITDIALOG:
737 hide = 1;
738 CheckDlgButton (dlg, IDC_CHPIN_HIDE, BST_CHECKED);
739 center_window (dlg, NULL);
740 CheckDlgButton (dlg, IDC_CHPIN_ISWORK, BST_CHECKED);
741 SetWindowText (dlg, _("Change Card PIN"));
742 SetForegroundWindow (dlg);
743 break;
744
745 case WM_COMMAND:
746 if (HIWORD (wparam) == BN_CLICKED && LOWORD (wparam) == IDC_CHPIN_HIDE) {
747 HWND hwnd;
748 hide ^= 1;
749 hwnd = GetDlgItem (dlg, IDC_CHPIN_OLDPIN);
750 SendMessage (hwnd, EM_SETPASSWORDCHAR, hide? '*' : 0, 0);
751 SetFocus (hwnd);
752 hwnd = GetDlgItem (dlg, IDC_CHPIN_NEWPIN);
753 SendMessage (hwnd, EM_SETPASSWORDCHAR, hide? '*' : 0, 0);
754 SetFocus (hwnd);
755 hwnd = GetDlgItem (dlg, IDC_CHPIN_NEWPIN2);
756 SendMessage (hwnd, EM_SETPASSWORDCHAR, hide? '*' : 0, 0);
757 SetFocus (hwnd);
758 }
759 switch (LOWORD (wparam)) {
760 case IDOK:
761 if (IsDlgButtonChecked (dlg, IDC_CHPIN_ISADMIN))
762 which = CARD_ADMIN_PIN;
763 else if (IsDlgButtonChecked (dlg, IDC_CHPIN_ISWORK))
764 which = CARD_USER_PIN;
765
766 n = item_get_text_length (dlg, IDC_CHPIN_OLDPIN);
767 if (check_pin_len (which, 1, n))
768 return TRUE;
769 n = item_get_text_length (dlg, IDC_CHPIN_NEWPIN);
770 if (check_pin_len (which, 0, n))
771 return TRUE;
772 n = item_get_text_length (dlg, IDC_CHPIN_NEWPIN2);
773 if (check_pin_len (which, 0, n))
774 return TRUE;
775 GetDlgItemText (dlg, IDC_CHPIN_OLDPIN, pold, sizeof (pold)-1);
776 GetDlgItemText (dlg, IDC_CHPIN_NEWPIN, pnew, sizeof (pnew)-1);
777 GetDlgItemText (dlg, IDC_CHPIN_NEWPIN2, pnew2, sizeof (pnew2)-1);
778 if (strcmp (pnew, pnew2)) {
779 wipememory (pnew2, sizeof (pnew2));
780 wipememory (pnew, sizeof (pnew));
781 msg_box (dlg, _("Passphrases do not match. Please try again."),
782 _("Card Edit"), MB_ERR);
783 return TRUE;
784 }
785
786 {
787 GpgCardEdit ce;
788
789 if (which == CARD_ADMIN_PIN)
790 ce.setAdminPIN (pold);
791 else
792 ce.setPIN (pold);
793 ce.setNewPIN (pnew);
794 err = ce.changePIN (which == CARD_ADMIN_PIN?
795 GPG_EDITCARD_CHAPIN :
796 GPG_EDITCARD_CHUPIN);
797 }
798 if (err)
799 msg_box (dlg, gpgme_strerror (err), _("Card Edit"), MB_ERR);
800 else {
801 msg_box (dlg, _("PIN successfully changed."),
802 _("Card Edit"), MB_OK);
803 SetDlgItemText (dlg, IDC_CHPIN_NEWPIN, "");
804 SetDlgItemText (dlg, IDC_CHPIN_OLDPIN, "");
805 SetDlgItemText (dlg, IDC_CHPIN_NEWPIN2, "");
806 }
807 wipememory (pold, sizeof (pold));
808 wipememory (pnew, sizeof (pnew));
809 wipememory (pnew2, sizeof (pnew2));
810 break;
811
812 case IDCANCEL:
813 SetDlgItemText (dlg, IDC_CHPIN_NEWPIN, "");
814 SetDlgItemText (dlg, IDC_CHPIN_OLDPIN, "");
815 SetDlgItemText (dlg, IDC_CHPIN_NEWPIN2, "");
816 EndDialog (dlg, FALSE);
817 break;
818 }
819 break;
820 }
821
822 return FALSE;
823 }

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