/[winpt]/trunk/Src/wptKeysignDlg.cpp
ViewVC logotype

Annotation of /trunk/Src/wptKeysignDlg.cpp

Parent Directory Parent Directory | Revision Log Revision Log


Revision 229 - (hide annotations)
Mon Jun 19 14:04:31 2006 UTC (18 years, 8 months ago) by twoaday
File size: 13370 byte(s)


1 werner 36 /* wptKeysignDlg.cpp - Key signing dialog
2 twoaday 170 * Copyright (C) 2001-2006 Timo Schulz
3 werner 36 *
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 werner 42 #ifdef HAVE_CONFIG_H
21     #include <config.h>
22     #endif
23    
24 werner 36 #include <windows.h>
25     #include <commctrl.h>
26 twoaday 181 #include <time.h>
27 twoaday 229 #include <assert.h>
28 werner 36
29 werner 47 #include "resource.h"
30 werner 36 #include "wptGPG.h"
31     #include "wptNLS.h"
32     #include "wptW32API.h"
33     #include "wptVersion.h"
34     #include "wptTypes.h"
35     #include "wptErrors.h"
36     #include "wptCommonCtl.h"
37     #include "wptContext.h"
38     #include "wptDlgs.h"
39     #include "wptUTF8.h"
40     #include "wptRegistry.h"
41 werner 47 #include "wptKeylist.h"
42 werner 36 #include "wptKeyEdit.h"
43    
44    
45 twoaday 226 void key_unload_photo (HWND dlg);
46     int key_load_photo (HWND dlg, gpgme_key_t key, gpgme_validity_t *r_valid);
47     const char* get_photo_tmpname (HWND dlg);
48    
49 werner 36 /* Return a beautified printable fingerprint of @fpr. */
50     static const char*
51     get_printable_fpr (const char *fpr)
52     {
53 twoaday 225 static char pfpr[64];
54 werner 36 int pos = 0;
55     size_t i;
56    
57     for (i = 0; i < strlen (fpr); i += 4) {
58     pfpr[pos++] = fpr[i];
59     pfpr[pos++] = fpr[i+1];
60     pfpr[pos++] = fpr[i+2];
61     pfpr[pos++] = fpr[i+3];
62     pfpr[pos++] = ' ';
63     }
64     return pfpr;
65     }
66    
67    
68     /* Return human friendly information about the key @key. */
69 twoaday 225 const char*
70 werner 36 get_keyinfo (gpgme_key_t key)
71     {
72     static char buf[64+16];
73     struct winpt_key_s k;
74    
75     memset (&k, 0, sizeof (k));
76 twoaday 225 if (winpt_get_seckey (key->subkeys->keyid, &k))
77     BUG (0);
78     _snprintf (buf, DIM (buf)-1-16, _("%d-bit %s key, ID 0x%s"),
79     key->subkeys->length,
80     get_key_pubalgo (key->subkeys->pubkey_algo),
81     key->subkeys->keyid+8);
82 werner 36 if (k.ext->gloflags.divert_to_card)
83     strcat (buf, " (Card)");
84     return buf;
85     }
86    
87    
88     /* Fill the secret key combo-box with all entries from the cache.
89     @dlg is the handle to the combo-box. @keyid show which key to skip.
90     Return value: 0 on success. */
91     static int
92     do_fill_seckeylist (HWND dlg, const char *keyid)
93     {
94     gpg_keycache_t sec;
95 twoaday 167 gpgme_key_t pk, defkey;
96 twoaday 225 const char *s, *inf;
97 twoaday 167 char *uid, *p;
98     int i = 0, n = 0, curr_sel = 0;
99 twoaday 225 int len = 0;
100 werner 36
101     sec = keycache_get_ctx (0);
102 twoaday 167 gpg_keycache_get_default_key (sec, &defkey);
103 werner 36 gpg_keycache_rewind (sec);
104     while (!gpg_keycache_next_key (sec, 1, &pk)) {
105     if (!pk)
106     continue;
107     s = pk->subkeys->keyid;
108     if (!strcmp (s, keyid))
109     continue;
110     /* skip all ElGamal sign+encrypt keys */
111     if (pk->subkeys->pubkey_algo == GPGME_PK_ELG)
112     continue;
113     /* make sure the public key is okay not: revoked, expired or disabled. */
114     if (pk->expired ||pk->revoked || pk->disabled)
115     continue;
116     s = pk->uids->name;
117     if (!s)
118     continue;
119 twoaday 167 if (defkey && !strcmp (defkey->subkeys->keyid, pk->subkeys->keyid))
120     curr_sel = i;
121 twoaday 187 uid = utf8_to_native (s);
122 twoaday 225 inf = get_keyinfo (pk);
123     len = strlen (uid) + strlen (inf) + 8;
124     p = new char[len+1];
125 werner 36 if (!p)
126     BUG (NULL);
127 twoaday 225 _snprintf (p, len, "%s (%s)", uid, inf);
128 twoaday 167 SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST,
129     CB_ADDSTRING, i, (LPARAM)(char *)p);
130     SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST,
131     CB_SETITEMDATA, i++, (LPARAM)(DWORD)pk);
132 werner 36 free_if_alloc (p);
133 twoaday 225 safe_free (uid);
134 werner 36 n++;
135     }
136 twoaday 167 SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST,
137     CB_SETCURSEL, (WPARAM)curr_sel, 0);
138 werner 36 if (!n)
139     return -1;
140     return 0;
141     }
142    
143    
144     /* Check if the selected key is protected and en- or disable the
145     passphrase control. */
146     static void
147     do_check_protection (HWND dlg)
148     {
149     gpgme_key_t key;
150     struct winpt_key_s k;
151 twoaday 212 int idx, protec;
152 werner 36
153 twoaday 212 idx = SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, CB_GETCURSEL, 0, 0);
154     key = (gpgme_key_t)SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST,
155     CB_GETITEMDATA, (WPARAM)idx, 0);
156 werner 36 if (key) {
157 twoaday 225 if (winpt_get_seckey (key->subkeys->keyid, &k))
158     BUG (0);
159 werner 36 protec = k.is_protected;
160     if (!protec)
161     protec = k.ext->gloflags.divert_to_card;
162     EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_PASSPHRASE), protec? TRUE : FALSE);
163     }
164     }
165    
166    
167 twoaday 226 /* Show the photographic ID of the key in a separate dialog window. */
168     BOOL CALLBACK
169     showphoto_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
170     {
171     static winpt_key_t key;
172 twoaday 229 char buf[200];
173 twoaday 226
174     switch (msg) {
175     case WM_INITDIALOG:
176     key = (winpt_key_t)lparam;
177     if (!key)
178     BUG (0);
179     key_load_photo (dlg, key->ctx, NULL);
180     _snprintf (buf, sizeof (buf)-1, _("Photo of %s"), key->uid);
181     SetWindowText (dlg, buf);
182     SetForegroundWindow (dlg);
183     break;
184    
185     case WM_PAINT:
186     if (key->ext && key->ext->attrib.len > 0) {
187     POINT p;
188     p.x = p.y = 0;
189     PTD_jpg_show (GetDlgItem (dlg, IDC_SHOWPHOTO_IMG),
190     &p, get_photo_tmpname (dlg));
191     }
192     break;
193    
194     case WM_DESTROY:
195     key_unload_photo (dlg);
196     break;
197    
198     case WM_COMMAND:
199     switch (LOWORD (wparam)) {
200     case IDCANCEL:
201     case IDOK:
202     EndDialog (dlg, TRUE);
203     break;
204     }
205     break;
206     }
207    
208     return FALSE;
209     }
210    
211    
212 werner 36 /* Dialog box procedure to choose the signature class. */
213     BOOL CALLBACK
214     sig_class_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
215     {
216 twoaday 229 HWND parent;
217 twoaday 170 int sig_class = 0;
218    
219 werner 36 switch (msg) {
220     case WM_INITDIALOG:
221 twoaday 229 parent = (HWND)lparam;
222 werner 36 SetWindowText (dlg, _("Choose Signature Class"));
223 twoaday 225 SetDlgItemText (dlg, IDC_SIGCLASS_TITLEINF,
224     _("How carefully have you verified the key you are about to sign actually belongs to the person? If you don't know what to anwser, use \"0\"."));
225     SetDlgItemText (dlg, IDC_SIGCLASS_CLASS0,
226     _("(0) I will not answer (default)"));
227     SetDlgItemText (dlg, IDC_SIGCLASS_CLASS1,
228     _("(1) I have not checked at all."));
229     SetDlgItemText (dlg, IDC_SIGCLASS_CLASS2,
230     _("(2) I have done causal checking."));
231     SetDlgItemText (dlg, IDC_SIGCLASS_CLASS3,
232     _("(3) I have done very careful checkings."));
233 werner 36 CheckDlgButton (dlg, IDC_SIGCLASS_CLASS0, BST_CHECKED);
234     SetForegroundWindow (dlg);
235 twoaday 229 center_window (dlg, parent? parent : NULL);
236 werner 36 return TRUE;
237    
238     case WM_COMMAND:
239 twoaday 170 switch (LOWORD (wparam)) {
240 werner 36 case IDOK:
241     if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS0))
242 twoaday 170 sig_class = 0;
243 werner 36 else if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS1))
244 twoaday 170 sig_class = 1;
245 werner 36 else if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS2))
246 twoaday 170 sig_class = 2;
247 werner 36 else if (IsDlgButtonChecked (dlg, IDC_SIGCLASS_CLASS3))
248 twoaday 170 sig_class = 3;
249 werner 36 else
250 twoaday 170 sig_class = 0;
251     EndDialog (dlg, sig_class);
252 werner 36 return TRUE;
253 twoaday 170
254     case IDCANCEL:
255     EndDialog (dlg, 0);
256     return TRUE;
257 werner 36 }
258     break;
259     }
260    
261     return FALSE;
262     }
263    
264    
265     /* Return the humand friendly expiration date of @key. */
266     static const char*
267     get_expire_date (gpgme_key_t key)
268     {
269     u32 u = key->subkeys->expires;
270     if (!u)
271     return _("never");
272     return get_key_expire_date (u);
273     }
274    
275 twoaday 225
276 twoaday 181 /* Check if the given system time @st points to today. */
277     static int
278     date_is_today (SYSTEMTIME *st)
279     {
280     time_t t;
281     struct tm *tm;
282    
283     t = time (NULL);
284     tm = localtime (&t);
285     if (st->wDay == tm->tm_mday &&
286     st->wYear == tm->tm_year+1900 &&
287     st->wMonth == tm->tm_mon+1)
288     return -1;
289     return 0;
290     }
291    
292    
293 werner 36 /* Dialog box procedure to sign a key. */
294     BOOL CALLBACK
295     keysign_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
296     {
297     static winpt_key_t key;
298     GpgKeyEdit *ke;
299     gpgme_error_t err;
300     gpgme_key_t k;
301     SYSTEMTIME st;
302 twoaday 229 char keymsg[2048], *pwd;
303 werner 36 const char *keyid, *s;
304     int type, expires=0, idx;
305 twoaday 170 int sig_class = 0;
306 werner 36
307 twoaday 177 switch (msg) {
308 werner 36 case WM_INITDIALOG:
309     key = (winpt_key_t) lparam;
310 twoaday 225 if (!key)
311     BUG (0);
312 werner 36 _snprintf (keymsg, sizeof keymsg -1,
313     _("pub %d/%s created: %s expires: %s\n\n"
314     "Primary key fingerprint: %s\n\n"
315     "\t%s\n\n"
316     "\nAre you really sure that you want to sign this key with YOUR key?\n"),
317     key->ctx->subkeys->length,
318     key->ctx->subkeys->keyid+8,
319     get_key_created (key->ctx->subkeys->timestamp),
320     get_expire_date (key->ctx),
321     get_printable_fpr (key->ctx->subkeys->fpr),
322 twoaday 205 key->ext->uids->uid);
323 werner 36 s = key->ctx->subkeys->keyid;
324     if (do_fill_seckeylist (dlg, s)) {
325     msg_box (dlg, _("No valid secret key found."), _("Key Signing"), MB_ERR);
326     EndDialog (dlg, FALSE);
327 twoaday 225 return TRUE;
328 werner 36 }
329 twoaday 176 do_check_protection (dlg);
330 twoaday 205 SetDlgItemText (dlg, IDC_KEYSIGN_INFOS, keymsg);
331 werner 36 SetDlgItemText (dlg, IDC_KEYSIGN_LOCAL, _("Sign local only (non exportable signature)"));
332     SetDlgItemText (dlg, IDC_KEYSIGN_EXPSIG, _("Signature expires on"));
333     SetDlgItemText (dlg, IDC_KEYSIGN_NREV, _("Sign non-revocably"));
334     SetDlgItemText (dlg, IDC_KEYSIGN_ASKLEVEL, _("&Ask for certification level"));
335     SetDlgItemText (dlg, IDC_KEYSIGN_PWDINF, _("Passphrase"));
336 twoaday 88 SetDlgItemText (dlg, IDCANCEL, _("&Cancel"));
337     SetDlgItemText (dlg, IDC_KEYSIGN_SHOWIMG, _("&Show photo"));
338 twoaday 178 SetDlgItemText (dlg, IDC_KEYSIGN_HIDE, _("&Hide Typing"));
339 twoaday 225 SetWindowText (dlg, _("Key Signing"));
340 werner 36 CheckDlgButton (dlg, IDC_KEYSIGN_LOCAL, BST_CHECKED);
341     CheckDlgButton (dlg, IDC_KEYSIGN_EXPSIG, BST_UNCHECKED);
342     CheckDlgButton (dlg, IDC_KEYSIGN_ASKLEVEL, BST_UNCHECKED);
343     EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), FALSE);
344     if (reg_prefs.expert == 0)
345     ShowWindow (GetDlgItem (dlg, IDC_KEYSIGN_NREV), SW_HIDE);
346     if (key->ext && key->ext->attrib.len > 0)
347     EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_SHOWIMG), TRUE);
348 twoaday 41 if (!reg_prefs.gpg.ask_cert_level)
349     EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_ASKLEVEL), FALSE);
350 twoaday 181 if (!reg_prefs.gpg.ask_cert_expire)
351     EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPSIG), FALSE);
352 twoaday 177 CheckDlgButton (dlg, IDC_KEYSIGN_HIDE, BST_CHECKED);
353 werner 36 SetForegroundWindow (dlg);
354 twoaday 229 SetFocus (GetDlgItem (dlg, IDC_KEYSIGN_PASSPHRASE));
355 werner 36 return FALSE;
356    
357     case WM_COMMAND:
358 twoaday 176 if (HIWORD (wparam) == CBN_SELCHANGE) {
359 werner 36 do_check_protection (dlg);
360     break;
361     }
362 twoaday 177 if (HIWORD (wparam) == BN_CLICKED &&
363     LOWORD (wparam) == IDC_KEYSIGN_EXPSIG) {
364 werner 36 int enable = IsDlgButtonChecked (dlg, IDC_KEYSIGN_EXPSIG);
365 twoaday 225
366 werner 36 EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), enable? TRUE : FALSE);
367     }
368 twoaday 177 if (HIWORD (wparam) == BN_CLICKED &&
369     LOWORD (wparam) == IDC_KEYSIGN_HIDE) {
370     HWND hwnd = GetDlgItem (dlg, IDC_KEYSIGN_PASSPHRASE);
371     int hide = IsDlgButtonChecked (dlg, IDC_KEYSIGN_HIDE);
372 twoaday 225
373 twoaday 177 SendMessage (hwnd, EM_SETPASSWORDCHAR, hide? '*' : 0, 0);
374     SetFocus (hwnd);
375     }
376 werner 36
377 twoaday 170 switch (LOWORD (wparam)) {
378 werner 36 case IDOK:
379     if (IsDlgButtonChecked (dlg, IDC_KEYSIGN_ASKLEVEL))
380 twoaday 225 sig_class = dialog_box_param (glob_hinst,
381 twoaday 170 (LPCSTR)IDD_WINPT_SIGCLASS, dlg,
382 twoaday 229 sig_class_dlg_proc, (LPARAM)dlg,
383 twoaday 170 _("Choose Signature Class"),
384     IDS_WINPT_SIGCLASS);
385 werner 36 type = IsDlgButtonChecked (dlg, IDC_KEYSIGN_LOCAL);
386     if (type)
387     type = GPG_EDITKEY_LSIGN;
388     else
389     type = GPG_EDITKEY_SIGN;
390    
391     if (reg_prefs.expert && IsDlgButtonChecked (dlg, IDC_KEYSIGN_NREV)) {
392     type = GPG_EDITKEY_NRSIGN;
393     if (type == GPG_EDITKEY_LSIGN)
394     type = GPG_EDITKEY_NRLSIGN;
395     }
396     if (IsDlgButtonChecked (dlg, IDC_KEYSIGN_EXPSIG)) {
397     DateTime_GetSystemtime (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), &st);
398 twoaday 181 if (date_is_today (&st)) {
399     msg_box (dlg, _("You cannot select today as the expiration date."),
400     _("Key Signing"), MB_INFO);
401     return TRUE;
402     }
403     else
404     expires = 1;
405 werner 36 sprintf (keymsg, "%04d-%02d-%02d", st.wYear, st.wMonth, st.wDay);
406     }
407    
408     /* XXX: check for --ask-cert-level and --ask-cert-expire in the gpg.conf
409     if an advanced button is checked and offer to add it to the config
410     file. */
411    
412 twoaday 229 GetDlgItemText_utf8 (dlg, IDC_KEYSIGN_PASSPHRASE, &pwd);
413 werner 36 keyid = key->ctx->subkeys->keyid;
414 twoaday 229 assert (keyid != NULL); /* should be always true. */
415 werner 36 ke = new GpgKeyEdit (keyid);
416     if (!ke)
417     BUG (NULL);
418     ke->setPassphrase (pwd);
419     idx = SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, CB_GETCURSEL, 0, 0);
420     k = (gpgme_key_t)SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST,
421     CB_GETITEMDATA, (WPARAM)idx, 0);
422     if (k)
423     ke->setLocalUser (k);
424    
425 twoaday 170 err = ke->signKey (type, sig_class, expires? keymsg : "0");
426 twoaday 229 sfree_if_alloc (pwd);
427 werner 36 if (err) {
428     delete ke;
429     msg_box (dlg, gpgme_strerror (err), _("Key Signing"), MB_ERR);
430     return TRUE;
431     }
432 twoaday 225 if (ke->getResult () != 0) {
433 twoaday 129 msg_box (dlg, _("This key is already signed by your key"),
434     _("Key Signing"), MB_INFO);
435 twoaday 225 delete ke;
436     return TRUE;
437     }
438 werner 36 else {
439 twoaday 170 status_box (dlg, _("Key successfully signed."), _("Key Signing"));
440 werner 36 key->update = 1;
441     }
442     delete ke;
443     EndDialog (dlg, TRUE);
444     return TRUE;
445    
446     case IDCANCEL:
447     EndDialog (dlg, FALSE);
448     return TRUE;
449    
450     case IDC_KEYSIGN_SHOWIMG:
451 twoaday 226 DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_SHOWPHOTO,
452     dlg, showphoto_dlg_proc, (LPARAM)key);
453 werner 36 return TRUE;
454     }
455     break;
456     }
457    
458     return FALSE;
459     }

Properties

Name Value
svn:eol-style native

[email protected]
ViewVC Help
Powered by ViewVC 1.1.26