| 1 |
/* wptKeyPropsDlg.cpp - WinPT key properties dialog |
| 2 |
* Copyright (C) 2000, 2001, 2002, 2003, 2005, 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 <assert.h> |
| 26 |
|
| 27 |
#include "resource.h" |
| 28 |
#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 |
int invalid = 0; |
| 46 |
|
| 47 |
invalid = key->expired; |
| 48 |
if (!invalid) |
| 49 |
invalid = key->revoked; |
| 50 |
return invalid; |
| 51 |
} |
| 52 |
|
| 53 |
|
| 54 |
/* Convert a trust integer into a string representation. */ |
| 55 |
static const char* |
| 56 |
ownertrust_to_string (int val, bool is_keypair) |
| 57 |
{ |
| 58 |
const char *inf; |
| 59 |
int id = val; |
| 60 |
|
| 61 |
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 |
case 6: |
| 68 |
if (is_keypair) |
| 69 |
inf = _("I trust ultimately (implicit)"); |
| 70 |
else |
| 71 |
inf = _("I trust ultimately"); break; |
| 72 |
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 |
static char buf[MAX_PATH+128+1]; |
| 85 |
char name[64]; |
| 86 |
|
| 87 |
_snprintf (name, sizeof (name)-1, "winpt_photo_%08lX.tmp", (DWORD)dlg); |
| 88 |
get_temp_name (buf, DIM (buf)-1, name); |
| 89 |
return buf; |
| 90 |
} |
| 91 |
|
| 92 |
|
| 93 |
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 |
/* 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 |
if (winpt_get_pubkey (key->subkeys->keyid, &k)) |
| 113 |
BUG (0); |
| 114 |
img = k.ext->attrib.d; |
| 115 |
imglen = k.ext->attrib.len; |
| 116 |
if (img && !k.ext->attrib.validity) |
| 117 |
get_uat_validity (key->subkeys->keyid, &k.ext->attrib.validity); |
| 118 |
*r_valid = k.ext->attrib.validity; |
| 119 |
|
| 120 |
if (!img || !imglen) { |
| 121 |
draw_nophoto_img (dlg); |
| 122 |
return -1; |
| 123 |
} |
| 124 |
|
| 125 |
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 |
if (key->expired) |
| 159 |
return _("Expired"); |
| 160 |
if (key->revoked) |
| 161 |
return _("Revoked"); |
| 162 |
if (key->disabled) |
| 163 |
return _("Disabled"); |
| 164 |
if (key->invalid) |
| 165 |
return _("Invalid"); |
| 166 |
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 |
if (!k->ext || !k->ext->sym_prefs) |
| 177 |
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 |
case 7: return "AES128"; |
| 184 |
case 8: return "AES192"; |
| 185 |
case 9: return "AES256"; |
| 186 |
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 |
winpt_key_s k; |
| 197 |
|
| 198 |
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 |
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 |
if (!k->ext || !k->ext->card_type) |
| 212 |
return ""; |
| 213 |
_snprintf (buf, DIM (buf)-1, _("Card-Type: %s\r\n"), k->ext->card_type); |
| 214 |
return buf; |
| 215 |
} |
| 216 |
|
| 217 |
|
| 218 |
/* Return 1 if at least one user-ID is valid. */ |
| 219 |
static int |
| 220 |
key_is_valid (gpgme_key_t key) |
| 221 |
{ |
| 222 |
gpgme_user_id_t u; |
| 223 |
|
| 224 |
for (u=key->uids; u; u=u->next) { |
| 225 |
if (u->validity >= GPGME_VALIDITY_MARGINAL) |
| 226 |
return 1; |
| 227 |
} |
| 228 |
return 0; |
| 229 |
} |
| 230 |
|
| 231 |
|
| 232 |
|
| 233 |
/* Display the key information for key @k. |
| 234 |
Return value: gpgme key on success. */ |
| 235 |
static void |
| 236 |
display_key_info (HWND dlg, winpt_key_t k) |
| 237 |
{ |
| 238 |
gpgme_key_t key; |
| 239 |
struct winpt_key_s sk; |
| 240 |
char info[512]; |
| 241 |
const char *inf; |
| 242 |
DWORD created, expires; |
| 243 |
|
| 244 |
gpg_keycache_update_attr (k->ext, KC_ATTR_PREFSYM, 0); |
| 245 |
memset (&sk, 0, sizeof (sk)); |
| 246 |
if (k->key_pair && !winpt_get_seckey (k->keyid, &sk)) |
| 247 |
k->is_protected = sk.is_protected; |
| 248 |
key = k->ext->key; |
| 249 |
created = key->subkeys->timestamp; |
| 250 |
expires = key->subkeys->expires; |
| 251 |
_snprintf (info, DIM (info)-1, |
| 252 |
_("Type: %s\r\n" |
| 253 |
"Key ID: 0x%s\r\n" |
| 254 |
"Algorithm: %s\r\n" |
| 255 |
"Size: %s bits\r\n" |
| 256 |
"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 |
get_pref_cipher (k), |
| 269 |
get_card_type (&sk)); |
| 270 |
|
| 271 |
SetDlgItemText (dlg, IDC_KEYPROPS_INFO, info); |
| 272 |
SetDlgItemText (dlg, IDC_KEYPROPS_FPR, get_key_fpr (key)); |
| 273 |
inf = ownertrust_to_string (key->owner_trust, k->key_pair); |
| 274 |
SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf); |
| 275 |
} |
| 276 |
|
| 277 |
|
| 278 |
/* 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 |
/* 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 |
struct prop_info_s *prop = NULL; |
| 318 |
const char *inf; |
| 319 |
int rc; |
| 320 |
|
| 321 |
if (msg != WM_INITDIALOG && |
| 322 |
(prop = (prop_info_s*)GetWindowLong (dlg, GWL_USERDATA)) == NULL) |
| 323 |
return FALSE; |
| 324 |
|
| 325 |
switch (msg) { |
| 326 |
case WM_INITDIALOG: |
| 327 |
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 |
return TRUE; |
| 333 |
|
| 334 |
case WM_DESTROY: |
| 335 |
remove (get_photo_tmpname (dlg)); |
| 336 |
delete prop;prop=NULL; |
| 337 |
SetWindowLong (dlg, GWL_USERDATA, 0); |
| 338 |
break; |
| 339 |
|
| 340 |
case WM_PAINT: |
| 341 |
if (prop->key->has_photo) |
| 342 |
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 |
|
| 351 |
case IDCANCEL: |
| 352 |
EndDialog (dlg, FALSE); |
| 353 |
return TRUE; |
| 354 |
|
| 355 |
case IDC_KEYPROPS_OT_CHANGE: |
| 356 |
if (do_check_key (prop->key->ctx)) { |
| 357 |
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 |
if (!prop->key->key_pair && !key_is_valid (prop->key->ctx)) { |
| 363 |
rc = msg_box (dlg, _("This is a non-valid key.\n" |
| 364 |
"Modifying the ownertrust has no effect on such keys.\n\n" |
| 365 |
"Do you really want to continue?"), |
| 366 |
_("WinPT Warning"), MB_ICONWARNING|MB_YESNO); |
| 367 |
if (rc == IDNO) |
| 368 |
return TRUE; |
| 369 |
} |
| 370 |
rc = dialog_box_param (glob_hinst, |
| 371 |
(LPCSTR)IDD_WINPT_KEYEDIT_OWNERTRUST, |
| 372 |
dlg, keyedit_ownertrust_dlg_proc, |
| 373 |
(LPARAM)prop->key, _("Change Ownertrust"), |
| 374 |
IDS_WINPT_KEYEDIT_OWNERTRUST); |
| 375 |
if (rc == FALSE) /* Cancel */ |
| 376 |
return TRUE; |
| 377 |
|
| 378 |
inf = ownertrust_to_string (prop->key->callback.new_val, |
| 379 |
prop->key->key_pair); |
| 380 |
SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf); |
| 381 |
msg_box (dlg, _("Ownertrust successfully changed."), |
| 382 |
_("GnuPG Status"), MB_OK); |
| 383 |
prop->key->update = 1; |
| 384 |
return TRUE; |
| 385 |
|
| 386 |
case IDC_KEYPROPS_CHANGE_PWD: |
| 387 |
keyedit_change_passwd (prop->key, dlg); |
| 388 |
return TRUE; |
| 389 |
|
| 390 |
case IDC_KEYPROPS_REVOKERS: |
| 391 |
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 |
break; |
| 398 |
} |
| 399 |
} |
| 400 |
|
| 401 |
return FALSE; |
| 402 |
} |
Parent Directory
| 
Revision Log