/[winpt]/trunk/Src/wptKeyPropsDlg.cpp
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Annotation of /trunk/Src/wptKeyPropsDlg.cpp

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Revision 225 - (hide annotations)
Tue Jun 6 13:37:59 2006 UTC (18 years, 8 months ago) by twoaday
File size: 10465 byte(s)


1 werner 36 /* wptKeyPropsDlg.cpp - WinPT key properties dialog
2 twoaday 150 * Copyright (C) 2000, 2001, 2002, 2003, 2005, 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 twoaday 217 #include <assert.h>
26 werner 36
27 werner 47 #include "resource.h"
28 werner 36 #include "wptErrors.h"
29     #include "wptGPG.h"
30     #include "wptCommonCtl.h"
31     #include "wptContext.h" /* for passphrase_s */
32     #include "wptNLS.h"
33     #include "wptDlgs.h"
34     #include "wptTypes.h"
35     #include "wptKeylist.h"
36     #include "wptW32API.h"
37     #include "wptVersion.h"
38     #include "wptKeyEdit.h"
39    
40    
41     /* Check that the key is not expired or revoked. */
42     static int
43     do_check_key (gpgme_key_t key)
44     {
45 twoaday 217 int invalid = 0;
46    
47     invalid = key->expired;
48     if (!invalid)
49     invalid = key->revoked;
50     return invalid;
51 werner 36 }
52    
53    
54     /* Convert a trust integer into a string representation. */
55     static const char*
56 twoaday 150 ownertrust_to_string (int val, bool is_keypair)
57 werner 36 {
58 twoaday 41 const char *inf;
59 werner 36 int id = val;
60 twoaday 41
61 werner 36 switch (id) {
62     case 1: inf = _("Don't know"); break;
63     case 2: inf = _("I do NOT trust"); break;
64     case 3: inf = _("I trust marginally"); break;
65     case 4: inf = _("I trust fully"); break;
66     case 5:
67 twoaday 150 case 6:
68     if (is_keypair)
69     inf = _("I trust ultimately (implicit)");
70     else
71     inf = _("I trust ultimately"); break;
72 werner 36 default:inf = _("Unknown"); break;
73     }
74    
75     return inf;
76     }
77    
78    
79     /* Generate a unique temp name for the photo which
80     depends on the dialog handle and return it. */
81     static const char*
82     get_photo_tmpname (HWND dlg)
83     {
84 twoaday 174 static char buf[MAX_PATH+128+1];
85     char name[64];
86 werner 36
87 twoaday 174 _snprintf (name, sizeof (name)-1, "winpt_photo_%08lX.tmp", (DWORD)dlg);
88 twoaday 211 get_temp_name (buf, DIM (buf)-1, name);
89 werner 36 return buf;
90     }
91    
92    
93 twoaday 129 static void
94     draw_nophoto_img (HWND dlg)
95     {
96     /*..
97     n = DrawText (hdc, "No Photo-ID", -1, &r, DT_LEFT);
98     ..*/
99     }
100    
101    
102 werner 36 /* Load the photo from the key @key */
103     static int
104     keyprops_load_photo (HWND dlg, gpgme_key_t key, gpgme_validity_t *r_valid)
105     {
106     winpt_key_s k;
107     FILE *f;
108     const BYTE *img;
109     DWORD imglen = 0;
110     int pos=0;
111    
112 twoaday 211 if (winpt_get_pubkey (key->subkeys->keyid, &k))
113     BUG (0);
114 werner 36 img = k.ext->attrib.d;
115     imglen = k.ext->attrib.len;
116 twoaday 217 if (img && !k.ext->attrib.validity)
117 werner 36 get_uat_validity (key->subkeys->keyid, &k.ext->attrib.validity);
118     *r_valid = k.ext->attrib.validity;
119    
120 twoaday 129 if (!img || !imglen) {
121     draw_nophoto_img (dlg);
122 werner 36 return -1;
123 twoaday 129 }
124 twoaday 133
125 werner 36 f = fopen (get_photo_tmpname (dlg), "wb");
126     if (f) {
127     pos += 16;
128     fwrite (img + pos, 1, imglen - pos, f);
129     fclose (f);
130     }
131     return 0;
132     }
133    
134    
135     /* Display the photo in the image control in the dialog @dlg. */
136     static int
137     keyprops_show_photo (HWND dlg)
138     {
139     RECT r;
140     POINT p;
141     HWND h;
142    
143     h = GetDlgItem (dlg, IDC_KEYPROPS_IMG);
144     GetWindowRect (h, &r);
145     p.x = r.left + 5;
146     p.y = r.top - 2;
147     memset (&p, 0, sizeof (p));
148     PTD_jpg_show (h, &p, get_photo_tmpname (dlg));
149    
150     return 0;
151     }
152    
153    
154     /* Return string representation of the key validity. @key. */
155     static const char*
156     get_validity (gpgme_key_t key)
157     {
158 twoaday 211 if (key->expired)
159 werner 36 return _("Expired");
160 twoaday 211 if (key->revoked)
161 werner 36 return _("Revoked");
162 twoaday 211 if (key->disabled)
163 twoaday 41 return _("Disabled");
164 twoaday 225 if (key->invalid)
165     return _("Invalid");
166 werner 36 return get_key_trust2 (NULL, key->uids->validity, 0, 0);
167     }
168    
169    
170     /* Return the preferred sym. algorithm from @key as a string. */
171     static const char*
172     get_pref_cipher (winpt_key_t k)
173     {
174     if (k->is_v3)
175     return "IDEA";
176 twoaday 211 if (!k->ext || !k->ext->sym_prefs)
177 werner 36 return "3DES";
178     switch (*k->ext->sym_prefs) {
179     case 1: return "IDEA";
180     case 2: return "3DES";
181     case 3: return "CAST5";
182     case 4: return "Blowfish";
183 twoaday 211 case 7: return "AES128";
184     case 8: return "AES192";
185     case 9: return "AES256";
186 werner 36 case 10:return "Twofish";
187     }
188     return "Unknown";
189     }
190    
191    
192     /* Return true if the key has designated revokers. */
193     static bool
194     check_for_desig_rev (gpgme_key_t key)
195     {
196 twoaday 225 winpt_key_s k;
197 twoaday 217
198 twoaday 225 memset (&k, 0, sizeof (k));
199     if (!winpt_get_pubkey (key->subkeys->keyid, &k))
200     return k.ext->gloflags.has_desig_rev? true : false;
201 werner 36 return false;
202     }
203    
204    
205     /* Print information (name) of the smart card. */
206     static const char*
207     get_card_type (winpt_key_t k)
208     {
209     static char buf[64];
210    
211 twoaday 181 if (!k->ext || !k->ext->card_type)
212 werner 36 return "";
213 twoaday 217 _snprintf (buf, DIM (buf)-1, _("Card-Type: %s\r\n"), k->ext->card_type);
214 werner 36 return buf;
215     }
216    
217    
218 twoaday 211 /* Return 1 if at least one user-ID is valid. */
219     static int
220 twoaday 217 key_is_valid (gpgme_key_t key)
221 twoaday 211 {
222     gpgme_user_id_t u;
223    
224 twoaday 217 for (u=key->uids; u; u=u->next) {
225 twoaday 211 if (u->validity >= GPGME_VALIDITY_MARGINAL)
226     return 1;
227     }
228     return 0;
229     }
230    
231    
232    
233 werner 36 /* Display the key information for key @k.
234     Return value: gpgme key on success. */
235     static void
236 twoaday 211 display_key_info (HWND dlg, winpt_key_t k)
237 werner 36 {
238 twoaday 181 gpgme_key_t key;
239 twoaday 211 struct winpt_key_s sk;
240 werner 36 char info[512];
241     const char *inf;
242 twoaday 181 DWORD created, expires;
243 werner 36
244 twoaday 211 gpg_keycache_update_attr (k->ext, KC_ATTR_PREFSYM, 0);
245 twoaday 217 memset (&sk, 0, sizeof (sk));
246 twoaday 181 if (k->key_pair && !winpt_get_seckey (k->keyid, &sk))
247     k->is_protected = sk.is_protected;
248 twoaday 211 key = k->ext->key;
249 twoaday 181 created = key->subkeys->timestamp;
250     expires = key->subkeys->expires;
251 werner 36 _snprintf (info, DIM (info)-1,
252     _("Type: %s\r\n"
253 twoaday 211 "Key ID: 0x%s\r\n"
254 werner 36 "Algorithm: %s\r\n"
255 twoaday 128 "Size: %s bits\r\n"
256 werner 36 "Created: %s\r\n"
257     "Expires: %s\r\n"
258     "Validity: %s\r\n"
259     "Cipher: %s\r\n"
260     "%s\r\n"),
261     get_key_type (key),
262     k->keyid,
263     get_key_algo (key, 0),
264     get_key_size (key, 0),
265     get_key_created (created),
266     get_key_expire_date (expires),
267     get_validity (key),
268 twoaday 211 get_pref_cipher (k),
269 twoaday 181 get_card_type (&sk));
270 werner 36
271     SetDlgItemText (dlg, IDC_KEYPROPS_INFO, info);
272     SetDlgItemText (dlg, IDC_KEYPROPS_FPR, get_key_fpr (key));
273 twoaday 150 inf = ownertrust_to_string (key->owner_trust, k->key_pair);
274 werner 36 SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf);
275     }
276    
277    
278 twoaday 217 /* Context to store associated data of the dialog. */
279     struct prop_info_s {
280     winpt_key_t key;
281     };
282    
283    
284     static void
285     on_init_dialog (HWND dlg, WPARAM wparam, LPARAM lparam)
286     {
287     gpgme_validity_t valid;
288    
289     winpt_key_t k = (winpt_key_t)lparam;
290     SetWindowText (dlg, _("Key Properties"));
291     SetDlgItemText (dlg, IDC_KEYPROPS_OT_CHANGE, _("&Change"));
292     SetDlgItemText (dlg, IDC_KEYPROPS_REVOKERS, _("&Revokers"));
293     SetDlgItemText (dlg, IDC_KEYPROPS_CHANGE_PWD, _("Change &Password"));
294     SetDlgItemText (dlg, IDC_KEYPROPS_OTINF, _("Ownertrust"));
295    
296     display_key_info (dlg, k);
297     if (!keyprops_load_photo (dlg, k->ctx, &valid)) {
298     k->has_photo = 1;
299     if (valid < GPGME_VALIDITY_MARGINAL)
300     SetDlgItemText (dlg, IDC_KEYPROPS_IMGINF, _("Photo-ID not validated."));
301     }
302     if (k->key_pair)
303     EnableWindow (GetDlgItem (dlg, IDC_KEYPROPS_CHANGE_PWD), TRUE);
304     if (check_for_desig_rev (k->ctx))
305     EnableWindow (GetDlgItem (dlg, IDC_KEYPROPS_REVOKERS), TRUE);
306     if (do_check_key (k->ctx))
307     EnableWindow (GetDlgItem (dlg, IDC_KEYPROPS_OT_CHANGE), FALSE);
308     center_window (dlg, NULL);
309     SetForegroundWindow (dlg);
310     }
311    
312    
313 werner 36 /* Dialog box procedure to show the key properties. */
314     BOOL CALLBACK
315     keyprops_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
316     {
317 twoaday 217 struct prop_info_s *prop = NULL;
318 werner 36 const char *inf;
319     int rc;
320    
321 twoaday 217 if (msg != WM_INITDIALOG &&
322     (prop = (prop_info_s*)GetWindowLong (dlg, GWL_USERDATA)) == NULL)
323     return FALSE;
324    
325 werner 36 switch (msg) {
326     case WM_INITDIALOG:
327 twoaday 217 assert (lparam != NULL);
328     prop = new struct prop_info_s;
329     prop->key = (winpt_key_t)lparam;
330     SetWindowLong (dlg, GWL_USERDATA, (LONG)prop);
331     on_init_dialog (dlg, wparam, lparam);
332 werner 36 return TRUE;
333    
334     case WM_DESTROY:
335 werner 47 remove (get_photo_tmpname (dlg));
336 twoaday 217 delete prop;prop=NULL;
337     SetWindowLong (dlg, GWL_USERDATA, 0);
338 werner 36 break;
339    
340     case WM_PAINT:
341 twoaday 217 if (prop->key->has_photo)
342 werner 36 keyprops_show_photo (dlg);
343     break;
344    
345     case WM_COMMAND:
346     switch (LOWORD (wparam)) {
347     case IDOK:
348     EndDialog (dlg, TRUE);
349     return TRUE;
350 twoaday 170
351     case IDCANCEL:
352     EndDialog (dlg, FALSE);
353     return TRUE;
354 werner 36
355     case IDC_KEYPROPS_OT_CHANGE:
356 twoaday 217 if (do_check_key (prop->key->ctx)) {
357 werner 36 msg_box (dlg, _("The status of this key is 'revoked' or 'expired'.\n"
358     "You cannot change the ownertrust of such keys."),
359     _("WinPT Warning"), MB_ERR);
360     return TRUE;
361     }
362 twoaday 217 if (!prop->key->key_pair && !key_is_valid (prop->key->ctx)) {
363 twoaday 150 rc = msg_box (dlg, _("This is a non-valid key.\n"
364 werner 36 "Modifying the ownertrust has no effect on such keys.\n\n"
365     "Do you really want to continue?"),
366 twoaday 150 _("WinPT Warning"), MB_ICONWARNING|MB_YESNO);
367 werner 36 if (rc == IDNO)
368     return TRUE;
369     }
370 twoaday 165 rc = dialog_box_param (glob_hinst,
371     (LPCSTR)IDD_WINPT_KEYEDIT_OWNERTRUST,
372     dlg, keyedit_ownertrust_dlg_proc,
373 twoaday 217 (LPARAM)prop->key, _("Change Ownertrust"),
374 twoaday 165 IDS_WINPT_KEYEDIT_OWNERTRUST);
375     if (rc == FALSE) /* Cancel */
376     return TRUE;
377 werner 36
378 twoaday 217 inf = ownertrust_to_string (prop->key->callback.new_val,
379     prop->key->key_pair);
380 werner 36 SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf);
381     msg_box (dlg, _("Ownertrust successfully changed."),
382     _("GnuPG Status"), MB_OK);
383 twoaday 217 prop->key->update = 1;
384 werner 36 return TRUE;
385    
386     case IDC_KEYPROPS_CHANGE_PWD:
387 twoaday 217 keyedit_change_passwd (prop->key, dlg);
388 werner 36 return TRUE;
389    
390     case IDC_KEYPROPS_REVOKERS:
391 twoaday 217 prop->key->update = dialog_box_param (glob_hinst,
392     (LPCTSTR)IDD_WINPT_KEYREVOKERS, dlg,
393     key_revokers_dlg_proc, (LPARAM)prop->key,
394     _("Key Revokers"),
395     IDS_WINPT_KEY_REVOKERS);
396     UpdateWindow (dlg);
397 werner 36 break;
398     }
399     }
400    
401     return FALSE;
402     }

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