| 1 |
/* WinPT.cpp - Windows Privacy Tray (WinPT) |
| 2 |
* Copyright (C) 2000-2006 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 <shlobj.h> |
| 26 |
|
| 27 |
#include "resource.h" |
| 28 |
#include "wptTypes.h" |
| 29 |
#include "wptW32API.h" |
| 30 |
#include "wptVersion.h" |
| 31 |
#include "wptErrors.h" |
| 32 |
#include "wptGPG.h" |
| 33 |
#include "wptRegistry.h" |
| 34 |
#include "wptCommonCtl.h" |
| 35 |
#include "wptDlgs.h" |
| 36 |
#include "wptNLS.h" |
| 37 |
#include "wptKeyserver.h" |
| 38 |
#include "wptCard.h" |
| 39 |
#include "wptFileManager.h" |
| 40 |
#include "wptContext.h" |
| 41 |
#include "wptCardEdit.h" |
| 42 |
#include "wptCrypto.h" |
| 43 |
#include "wptUTF8.h" |
| 44 |
|
| 45 |
void remove_crit_file_attrs (const char *fname, int force); |
| 46 |
BOOL user_is_admin (void); |
| 47 |
|
| 48 |
/* Global variables. */ |
| 49 |
HINSTANCE glob_hinst; /* global instance for the dialogs */ |
| 50 |
HWND glob_hwnd; /* global window handle for the dialogs */ |
| 51 |
int scard_support = 0; |
| 52 |
int debug = 0; |
| 53 |
int mobile_mode_active = 0; |
| 54 |
int gpg_read_only = 0; |
| 55 |
int admin_user = 0; |
| 56 |
char gpgver[3]; |
| 57 |
/* End */ |
| 58 |
|
| 59 |
|
| 60 |
/* Load the key cache and rebuild the signature cache. */ |
| 61 |
void |
| 62 |
update_keycache (HWND hwnd) |
| 63 |
{ |
| 64 |
refresh_cache_s rcs = {0}; |
| 65 |
rcs.kr_reload = 0; |
| 66 |
rcs.kr_update = 1; |
| 67 |
rcs.tr_update = 1; |
| 68 |
DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd, |
| 69 |
keycache_dlg_proc, (LPARAM)&rcs); |
| 70 |
/* XXX: the dialog return 0 when an error occurs. |
| 71 |
in this case figure out if the gpg env is OK |
| 72 |
and supress dialogs to configure gpg. */ |
| 73 |
} |
| 74 |
|
| 75 |
|
| 76 |
/* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */ |
| 77 |
void |
| 78 |
gpg_set_debug_mode (int val) |
| 79 |
{ |
| 80 |
static char buf[256]; |
| 81 |
char tmp[128]; |
| 82 |
|
| 83 |
/* XXX: no gpgme.dbg is created. */ |
| 84 |
if (val > 0) { |
| 85 |
GetTempPath (sizeof (tmp)-1, tmp); |
| 86 |
_snprintf (buf, sizeof (buf)-1, "GPGME_DEBUG=5:%sgpgme.dbg", tmp); |
| 87 |
putenv (buf); |
| 88 |
} |
| 89 |
else |
| 90 |
putenv ("GPGME_DEBUG="); |
| 91 |
} |
| 92 |
|
| 93 |
|
| 94 |
/* Initialize the gettext sub system. */ |
| 95 |
static void |
| 96 |
load_gettext (void) |
| 97 |
{ |
| 98 |
char *nls = NULL; |
| 99 |
|
| 100 |
/* Return the name of the gettext language file. */ |
| 101 |
nls = get_reg_entry_mo (); |
| 102 |
if (nls != NULL) { |
| 103 |
set_gettext_file ("winpt", nls); |
| 104 |
free_if_alloc (nls); |
| 105 |
} |
| 106 |
} |
| 107 |
|
| 108 |
|
| 109 |
/* Return true if the GPG environment is useable. */ |
| 110 |
static bool |
| 111 |
gpg_prefs_ok (void) |
| 112 |
{ |
| 113 |
char *p; |
| 114 |
|
| 115 |
p = get_reg_entry_gpg4win ("gpg.exe"); |
| 116 |
if (!p || file_exist_check (p) != 0) { |
| 117 |
free_if_alloc (p); |
| 118 |
p = get_reg_entry_gpg ("gpgProgram"); |
| 119 |
if (!p || file_exist_check (p) != 0) { |
| 120 |
free_if_alloc (p); |
| 121 |
log_debug ("gpg_prefs_ok: could not locate gpg.exe"); |
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return false; |
| 123 |
} |
| 124 |
} |
| 125 |
free_if_alloc (p); |
| 126 |
p = get_reg_entry_gpg4win (NULL); |
| 127 |
if (!p || dir_exist_check (p) != 0) { |
| 128 |
free_if_alloc (p); |
| 129 |
p = get_reg_entry_gpg ("HomeDir"); |
| 130 |
if (!p || dir_exist_check (p) != 0) { |
| 131 |
free_if_alloc (p); |
| 132 |
log_debug ("gpg_prefs_ok: could not determine home directory"); |
| 133 |
return false; |
| 134 |
} |
| 135 |
} |
| 136 |
free_if_alloc (p); |
| 137 |
return true; |
| 138 |
} |
| 139 |
|
| 140 |
|
| 141 |
/* Check gpg files if they are read-only and ask the user |
| 142 |
if this should be corrected. */ |
| 143 |
static void |
| 144 |
check_readonly_attr (const char *homedir) |
| 145 |
{ |
| 146 |
const char *files[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg", NULL}; |
| 147 |
char *file; |
| 148 |
int i; |
| 149 |
|
| 150 |
for (i=0; files[i] != NULL; i++) { |
| 151 |
file = make_filename (homedir, files[i], NULL); |
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remove_crit_file_attrs (file, 0); |
| 153 |
free_if_alloc (file); |
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} |
| 155 |
} |
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|
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|
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/* Load the GPG environment. On the first start, some |
| 159 |
checks are performed to find out in what state GPG is. |
| 160 |
Return value: 0 everything OK. |
| 161 |
>0 fatal error. |
| 162 |
-1 public keyring is empty or does not exist. */ |
| 163 |
static int |
| 164 |
load_gpg_env (void) |
| 165 |
{ |
| 166 |
SECURITY_ATTRIBUTES sec_attr; |
| 167 |
char *p; |
| 168 |
char *pkr; |
| 169 |
|
| 170 |
p = get_reg_entry_gpg4win ("gpg.exe"); |
| 171 |
if (!p) |
| 172 |
return (1); |
| 173 |
if (file_exist_check (p)) { |
| 174 |
free_if_alloc (p); |
| 175 |
return (1); |
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} |
| 177 |
free_if_alloc (p); |
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|
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p = get_reg_entry_gpg ("HomeDir"); |
| 180 |
if (!p || dir_exist_check (p) != 0) { |
| 181 |
free_if_alloc (p); |
| 182 |
p = multi_gnupg_path (0); |
| 183 |
} |
| 184 |
if (p && dir_exist_check (p)) { |
| 185 |
memset (&sec_attr, 0, sizeof (sec_attr)); |
| 186 |
sec_attr.nLength = sizeof (sec_attr); |
| 187 |
if (!CreateDirectory (p, &sec_attr)) { |
| 188 |
msg_box (NULL, _("Could not create GPG home directory"), |
| 189 |
_("WinPT Error"), MB_ERR); |
| 190 |
free_if_alloc (p); |
| 191 |
return (2); |
| 192 |
} |
| 193 |
} |
| 194 |
check_readonly_attr (p); |
| 195 |
pkr = make_filename (p, "pubring", "gpg"); |
| 196 |
free_if_alloc (p); |
| 197 |
if (!pkr) |
| 198 |
return -1; |
| 199 |
if (get_file_size (pkr) == 0) { |
| 200 |
free_if_alloc (pkr); |
| 201 |
return -1; |
| 202 |
} |
| 203 |
return 0; |
| 204 |
} |
| 205 |
|
| 206 |
|
| 207 |
/* check if the default key from the gpg.conf file is available in the |
| 208 |
keyring. if not, bail out because encryption won't work properly then. */ |
| 209 |
static int |
| 210 |
check_default_key (gpg_keycache_t kc) |
| 211 |
{ |
| 212 |
gpgme_key_t key; |
| 213 |
gpgme_error_t err = gpg_error (GPG_ERR_NO_ERROR); |
| 214 |
char *defkey; |
| 215 |
|
| 216 |
defkey = get_gnupg_default_key (); |
| 217 |
if (defkey) |
| 218 |
err = gpg_keycache_find_key (kc, defkey, 0, &key); |
| 219 |
else |
| 220 |
msg_box (NULL, _("No useable secret key found."), |
| 221 |
_("WinPT Warning"), MB_WARN); |
| 222 |
free_if_alloc (defkey); |
| 223 |
return err? -1 : 0; |
| 224 |
} |
| 225 |
|
| 226 |
|
| 227 |
/* Return the WinPT program file name (with full pathname). */ |
| 228 |
static const char* |
| 229 |
get_prog_part (const char * fname, int use_cwd) |
| 230 |
{ |
| 231 |
static char program[512]; |
| 232 |
char currdir[256]; |
| 233 |
char *cmd = NULL; |
| 234 |
int j; |
| 235 |
|
| 236 |
memset (currdir, 0, DIM (currdir)); |
| 237 |
memset (program, 0, DIM (program)); |
| 238 |
|
| 239 |
if (use_cwd) { |
| 240 |
GetCurrentDirectory (DIM (currdir)-1, currdir); |
| 241 |
_snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname); |
| 242 |
} |
| 243 |
else { |
| 244 |
cmd = GetCommandLine (); |
| 245 |
if (cmd == NULL) |
| 246 |
return NULL; |
| 247 |
strncpy (currdir, cmd, sizeof (currdir)-1); |
| 248 |
j = strlen (currdir); |
| 249 |
while (j--) { |
| 250 |
if (currdir[j] == '\\') |
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break; |
| 252 |
} |
| 253 |
currdir[j] = 0; |
| 254 |
_snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname); |
| 255 |
} |
| 256 |
return program; |
| 257 |
} |
| 258 |
|
| 259 |
|
| 260 |
/* Check that the underlying crypto engine fullfills the minimal |
| 261 |
requirements so all commands work properly. */ |
| 262 |
static bool |
| 263 |
check_crypto_engine (void) |
| 264 |
{ |
| 265 |
int ma = 0, mi = 0, pa = 0; |
| 266 |
int rc; |
| 267 |
|
| 268 |
rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa); |
| 269 |
if (rc == -1) { |
| 270 |
msg_box (NULL, _("Could not read GnuPG version."), |
| 271 |
_("WinPT Error"), MB_ERR); |
| 272 |
return false; |
| 273 |
} |
| 274 |
else if (rc) { |
| 275 |
log_box (_("WinPT Error"), MB_ERR, |
| 276 |
_("Sorry, you need a newer GPG version.\n" |
| 277 |
"GPG version %d.%d.%d required GPG version "NEED_GPG_VERSION), |
| 278 |
ma, mi, pa); |
| 279 |
return false; |
| 280 |
} |
| 281 |
/* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */ |
| 282 |
if (ma > 1 || pa >= 3) |
| 283 |
scard_support = 1; |
| 284 |
|
| 285 |
gpgver[0] = ma; |
| 286 |
gpgver[1] = mi; |
| 287 |
gpgver[2] = pa; |
| 288 |
return true; |
| 289 |
} |
| 290 |
|
| 291 |
|
| 292 |
/* Try to load the keyserver config file. If @quiet is 1 |
| 293 |
do not show any errors. */ |
| 294 |
static int |
| 295 |
load_keyserver_conf (int quiet) |
| 296 |
{ |
| 297 |
const char *t, *conf; |
| 298 |
char *buf; |
| 299 |
int rc; |
| 300 |
|
| 301 |
/* Create $APPDATA\winpt if needed. */ |
| 302 |
buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL); |
| 303 |
if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) { |
| 304 |
MessageBox (NULL, _("Failed to create WinPT directory"), |
| 305 |
_("Keyserver"), MB_ERR); |
| 306 |
free_if_alloc (buf); |
| 307 |
return -1; |
| 308 |
} |
| 309 |
free_if_alloc (buf); |
| 310 |
|
| 311 |
/* Check for $APPDATA\winpt\keyserver.conf */ |
| 312 |
buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL); |
| 313 |
|
| 314 |
conf = get_prog_part ("keyserver.conf", 0); |
| 315 |
if (!file_exist_check (conf)) |
| 316 |
t = conf; |
| 317 |
else |
| 318 |
t = "keyserver.conf"; |
| 319 |
if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) { |
| 320 |
if (!CopyFile (t, buf, FALSE)) { |
| 321 |
MessageBox (NULL, _("Failed to copy the keyserver.conf"), |
| 322 |
_("Keyserver"), MB_ERR); |
| 323 |
free_if_alloc (buf); |
| 324 |
return -1; |
| 325 |
} |
| 326 |
t = buf; |
| 327 |
} |
| 328 |
else |
| 329 |
t = buf; |
| 330 |
|
| 331 |
rc = kserver_load_conf (t); |
| 332 |
if (rc && !quiet) |
| 333 |
msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR); |
| 334 |
else { |
| 335 |
free_if_alloc (reg_prefs.kserv_conf); |
| 336 |
reg_prefs.kserv_conf = m_strdup (t); |
| 337 |
} |
| 338 |
free_if_alloc (buf); |
| 339 |
return rc; |
| 340 |
} |
| 341 |
|
| 342 |
|
| 343 |
/* Check if both keyrings are empty. This indicates that |
| 344 |
WinPT should offer to generate a key pair. */ |
| 345 |
static bool |
| 346 |
check_for_empty_keyrings (bool pub_only) |
| 347 |
{ |
| 348 |
char *p; |
| 349 |
int n = 0; |
| 350 |
|
| 351 |
p = get_gnupg_keyring (1, 0); |
| 352 |
if (file_exist_check (p) == 0 && get_file_size (p) == 0) |
| 353 |
n++; |
| 354 |
free_if_alloc (p); |
| 355 |
if (pub_only) |
| 356 |
return n == 1? true : false; |
| 357 |
p = get_gnupg_keyring (0, 0); |
| 358 |
if (file_exist_check (p) == 0 && get_file_size (p) == 0) |
| 359 |
n++; |
| 360 |
free_if_alloc (p); |
| 361 |
return n==2? true : false; |
| 362 |
} |
| 363 |
|
| 364 |
|
| 365 |
/* Enable the mobility mode. */ |
| 366 |
static int |
| 367 |
enable_mobile_mode (void) |
| 368 |
{ |
| 369 |
if (dir_exist_check ("temp") != 0) { |
| 370 |
if (!CreateDirectory ("temp", NULL)) { |
| 371 |
MessageBox (NULL, "Could not create mobile temp directory", |
| 372 |
"WinPT Mobile Error", MB_ERR); |
| 373 |
return -1; |
| 374 |
} |
| 375 |
} |
| 376 |
|
| 377 |
memset (®_prefs, 0, sizeof (reg_prefs)); |
| 378 |
reg_prefs.always_trust = 0; |
| 379 |
reg_prefs.auto_backup = 0; |
| 380 |
reg_prefs.cache_time = 0; |
| 381 |
reg_prefs.expert = 0; |
| 382 |
reg_prefs.kserv_conf = m_strdup ("keyserver.conf"); |
| 383 |
reg_prefs.no_zip_mmedia = 1; |
| 384 |
reg_prefs.word_wrap = 80; |
| 385 |
reg_prefs.use_viewer = 0; /* XXX */ |
| 386 |
return 0; |
| 387 |
} |
| 388 |
|
| 389 |
|
| 390 |
void |
| 391 |
set_default_keyserver (void) |
| 392 |
{ |
| 393 |
char *host = get_reg_entry_keyserver ("Default"); |
| 394 |
char *str_port = get_reg_entry_keyserver ("Default_Port"); |
| 395 |
WORD port = HKP_PORT; |
| 396 |
|
| 397 |
if (!host) |
| 398 |
keyserver_set_default (NULL, 0); |
| 399 |
else { |
| 400 |
if (str_port && *str_port) |
| 401 |
port = atoi (str_port); |
| 402 |
keyserver_set_default (host, port); |
| 403 |
} |
| 404 |
free_if_alloc (host); |
| 405 |
free_if_alloc (str_port); |
| 406 |
} |
| 407 |
|
| 408 |
|
| 409 |
/* Display info message that WinPT is now in debug mode. */ |
| 410 |
void |
| 411 |
winpt_debug_msg (void) |
| 412 |
{ |
| 413 |
char output[512]; |
| 414 |
char temp[128]; |
| 415 |
|
| 416 |
GetTempPath (sizeof temp -1, temp); |
| 417 |
_snprintf (output, sizeof output - 1, |
| 418 |
"The GPGME output file is %sgpgme.dbg\n" |
| 419 |
"The WinPT output file is %swinpt.log\n", temp, temp); |
| 420 |
MessageBox (NULL, output, "WinPT now runs in DEBUG MODE", MB_INFO); |
| 421 |
} |
| 422 |
|
| 423 |
|
| 424 |
/* Search for insecure ElGamal keys and return the |
| 425 |
number of founded keys. */ |
| 426 |
static int |
| 427 |
count_insecure_elgkeys (void) |
| 428 |
{ |
| 429 |
gpg_keycache_t pc; |
| 430 |
gpgme_key_t key; |
| 431 |
int n = 0; |
| 432 |
|
| 433 |
pc = keycache_get_ctx (1); |
| 434 |
while (!gpg_keycache_next_key (pc, 0, &key)) { |
| 435 |
if (key->subkeys->pubkey_algo == GPGME_PK_ELG) |
| 436 |
n++; |
| 437 |
} |
| 438 |
gpg_keycache_rewind (pc); |
| 439 |
return n; |
| 440 |
} |
| 441 |
|
| 442 |
|
| 443 |
/* Main entry point. */ |
| 444 |
int WINAPI |
| 445 |
WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd) |
| 446 |
{ |
| 447 |
WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME}; |
| 448 |
HACCEL accel_tab; |
| 449 |
MSG msg; |
| 450 |
HWND hwnd = NULL; |
| 451 |
WORD ver[3], ptdver[4]; |
| 452 |
const char *s; |
| 453 |
int rc, ec, created = 0; |
| 454 |
int first_start = 0, start_gpgprefs = 0; |
| 455 |
int winpt_inst_found = 0; |
| 456 |
int start_manager = 0; |
| 457 |
|
| 458 |
glob_hinst = hinst; |
| 459 |
if (cmdline && stristr (cmdline, "--stop")) { |
| 460 |
hwnd = FindWindow ("WinPT", "WinPT"); |
| 461 |
if (hwnd != NULL) |
| 462 |
PostMessage (hwnd, WM_DESTROY, 0, 0); |
| 463 |
return 0; |
| 464 |
} |
| 465 |
|
| 466 |
#ifdef _DEBUG |
| 467 |
gpg_set_debug_mode (1); |
| 468 |
debug = 1; |
| 469 |
#endif |
| 470 |
|
| 471 |
get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]); |
| 472 |
ec = get_file_version ("PTD.dll", &ptdver[0], &ptdver[1], |
| 473 |
&ptdver[2], &ptdver[3]); |
| 474 |
|
| 475 |
if (!ec && (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2])) { |
| 476 |
log_box (_("WinPT Error"), MB_ERR, |
| 477 |
_("The PTD.dll file has a different version than WinPT.exe\n" |
| 478 |
"Please update the PTD.dll to version %d.%d.%d"), |
| 479 |
ver[0], ver[1], ver[2]); |
| 480 |
return 0; |
| 481 |
} |
| 482 |
|
| 483 |
if (gpg_md_selftest ()) { |
| 484 |
msg_box (NULL, _("Cryptographic selftest failed."), |
| 485 |
_("WinPT Error"), MB_ERR); |
| 486 |
return 0; |
| 487 |
} |
| 488 |
|
| 489 |
s = gpgme_check_version (NEED_GPGME_VERSION); |
| 490 |
if (!s || !*s) { |
| 491 |
msg_box (NULL, _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION), |
| 492 |
_("WinPT Error"), MB_ERR); |
| 493 |
return 0; |
| 494 |
} |
| 495 |
|
| 496 |
CreateMutex (NULL, TRUE, PGM_NAME); |
| 497 |
if (GetLastError () == ERROR_ALREADY_EXISTS) |
| 498 |
winpt_inst_found = 1; |
| 499 |
|
| 500 |
if (cmdline && stristr (cmdline, "--mobile")) { |
| 501 |
msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!", |
| 502 |
"WinPT", MB_INFO); |
| 503 |
mobile_mode_active = 1; |
| 504 |
} |
| 505 |
|
| 506 |
set_default_keyserver (); |
| 507 |
load_gettext (); |
| 508 |
admin_user = user_is_admin (); |
| 509 |
|
| 510 |
if (!mobile_mode_active) { |
| 511 |
regist_inst_gnupg (1); |
| 512 |
regist_inst_winpt (1, &created); |
| 513 |
} |
| 514 |
else { |
| 515 |
if (enable_mobile_mode ()) |
| 516 |
return 0; |
| 517 |
created = 1; /* Disable registry writing */ |
| 518 |
} |
| 519 |
|
| 520 |
if (!created) { |
| 521 |
memset (®_prefs, 0, sizeof (reg_prefs)); |
| 522 |
reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */ |
| 523 |
get_reg_winpt_prefs (®_prefs); |
| 524 |
gnupg_load_config (); |
| 525 |
} |
| 526 |
|
| 527 |
if (is_gpg4win_installed ()) |
| 528 |
load_gpg_env (); /* XXX: check return code. */ |
| 529 |
|
| 530 |
rc = gnupg_check_homedir (); |
| 531 |
if (rc) { |
| 532 |
log_box (_("WinPT Error"), MB_ERR, |
| 533 |
_("GPG home directory is not set correctly.\n" |
| 534 |
"Please check the GPG registry settings:\n%s."), |
| 535 |
winpt_strerror (rc)); |
| 536 |
s = get_fileopen_dlg (GetActiveWindow (), |
| 537 |
_("Select GPG Public Keyring"), |
| 538 |
"GPG Keyrings (*.gpg)\0*.gpg\0\0", |
| 539 |
NULL); |
| 540 |
if (s != NULL) { |
| 541 |
size_t n; |
| 542 |
char *p = strrchr (s, '\\'); |
| 543 |
if (!p) |
| 544 |
BUG (0); |
| 545 |
n = p - s; |
| 546 |
if (n) { |
| 547 |
char *file = new char[n+1]; |
| 548 |
if (!file) |
| 549 |
BUG (NULL); |
| 550 |
memset (file, 0, n); |
| 551 |
memcpy (file, s, n); |
| 552 |
file[n] = '\0'; |
| 553 |
set_reg_entry_gpg ("HomeDir", file); |
| 554 |
free_if_alloc (file); |
| 555 |
gnupg_check_homedir (); /* change gpgProgram if needed */ |
| 556 |
} |
| 557 |
} |
| 558 |
else { |
| 559 |
msg_box (NULL, _("GPG home directory could not be determined."), |
| 560 |
_("WinPT Error"), MB_ERR); |
| 561 |
goto start; |
| 562 |
} |
| 563 |
} |
| 564 |
|
| 565 |
rc = check_gnupg_prog (); |
| 566 |
if (rc) { |
| 567 |
if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n" |
| 568 |
"Do you want to start the GPG preferences to " |
| 569 |
"correct this problem?"), _("WinPT Error"), |
| 570 |
MB_INFO|MB_YESNO) == IDYES) |
| 571 |
start_gpgprefs = 1; |
| 572 |
else { |
| 573 |
msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR); |
| 574 |
return 0; |
| 575 |
} |
| 576 |
} |
| 577 |
|
| 578 |
rc = gnupg_access_files (); |
| 579 |
if (!start_gpgprefs && rc) { |
| 580 |
if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) { |
| 581 |
ec = msg_box (NULL, |
| 582 |
_("Could not access and/or find the public and secret keyring.\n" |
| 583 |
"If this is an accident, quit the program and fix it.\n\n" |
| 584 |
"Continue if you want WinPT to offer you more choices.\n"), |
| 585 |
"WinPT", MB_INFO|MB_YESNO); |
| 586 |
if (ec == IDYES) |
| 587 |
first_start = 1; |
| 588 |
} |
| 589 |
if (!first_start) { |
| 590 |
msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR); |
| 591 |
return 0; |
| 592 |
} |
| 593 |
} |
| 594 |
if (check_for_empty_keyrings (false)) |
| 595 |
first_start = 1; |
| 596 |
|
| 597 |
if (!first_start) { |
| 598 |
rc = gpg_check_permissions (1); |
| 599 |
if (rc && rc == 2) |
| 600 |
gpg_read_only = 1; |
| 601 |
else if (rc) |
| 602 |
return 0; |
| 603 |
} |
| 604 |
|
| 605 |
init_gnupg_table (); |
| 606 |
|
| 607 |
if (fm_parse_command_line (cmdline) > 0) { |
| 608 |
free_gnupg_table (); |
| 609 |
return 0; |
| 610 |
} |
| 611 |
|
| 612 |
if (cmdline && stristr (cmdline, "--wipe-freespace")) { |
| 613 |
dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL, |
| 614 |
GetDesktopWindow(), space_wipefrees_dlg_proc, 0, |
| 615 |
_("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL); |
| 616 |
free_gnupg_table (); |
| 617 |
return 0; |
| 618 |
} |
| 619 |
|
| 620 |
load_keyserver_conf (cmdline? 1 : 0); |
| 621 |
|
| 622 |
if (cmdline && (stristr (cmdline, "--keymanager") |
| 623 |
|| stristr (cmdline, "--cardmanager"))) { |
| 624 |
/* If an instance of WinPT is running, just send the command |
| 625 |
to open the key manager. Otherwise start a new instance. |
| 626 |
*/ |
| 627 |
HWND tray = FindWindow ("WinPT", "WinPT"); |
| 628 |
if (stristr (cmdline, "keymanager")) |
| 629 |
start_manager = ID_WINPT_KEY; |
| 630 |
else |
| 631 |
start_manager = ID_WINPT_CARD; |
| 632 |
if (tray != NULL) { |
| 633 |
PostMessage (tray, WM_COMMAND, start_manager, 0); |
| 634 |
free_gnupg_table (); |
| 635 |
return 0; |
| 636 |
} |
| 637 |
} |
| 638 |
|
| 639 |
/* If we found another WinPT instance, just quit to avoid it |
| 640 |
will be executed twice. */ |
| 641 |
if (winpt_inst_found) { |
| 642 |
log_debug ("%s", "WinMain: WinPT is already running."); |
| 643 |
free_gnupg_table (); |
| 644 |
return 0; |
| 645 |
} |
| 646 |
|
| 647 |
if (cmdline && (stristr (cmdline, "--enable-debug") || |
| 648 |
stristr (cmdline, "--debug"))) { |
| 649 |
gpg_set_debug_mode (1); |
| 650 |
winpt_debug_msg (); |
| 651 |
debug = 1; |
| 652 |
} |
| 653 |
|
| 654 |
wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT)); |
| 655 |
rc = RegisterClass (&wc); |
| 656 |
if (rc == FALSE) { |
| 657 |
msg_box (NULL, _("Could not register window class"), |
| 658 |
_("WinPT Error"), MB_ERR); |
| 659 |
free_gnupg_table (); |
| 660 |
return 0; |
| 661 |
} |
| 662 |
|
| 663 |
hwnd = CreateWindow (PGM_NAME, |
| 664 |
PGM_NAME, |
| 665 |
0, 0, 0, 0, 0, |
| 666 |
NULL, |
| 667 |
NULL, |
| 668 |
hinst, |
| 669 |
NULL); |
| 670 |
if (hwnd == NULL) { |
| 671 |
msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR); |
| 672 |
free_gnupg_table (); |
| 673 |
return 0; |
| 674 |
} |
| 675 |
glob_hwnd = hwnd; |
| 676 |
UpdateWindow (hwnd); |
| 677 |
|
| 678 |
if (!first_start && !start_gpgprefs) { |
| 679 |
gnupg_backup_options (); |
| 680 |
if (!check_crypto_engine ()) { |
| 681 |
DestroyWindow (hwnd); |
| 682 |
free_gnupg_table (); |
| 683 |
return 0; |
| 684 |
} |
| 685 |
} |
| 686 |
|
| 687 |
if (start_gpgprefs) { |
| 688 |
DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd, |
| 689 |
gpgprefs_dlg_proc, 0); |
| 690 |
if (check_for_empty_keyrings (true)) |
| 691 |
first_start = 1; /* The public keyring is empty! */ |
| 692 |
} |
| 693 |
|
| 694 |
if (first_start) { |
| 695 |
struct genkey_s c; |
| 696 |
int choice; |
| 697 |
HWND h; |
| 698 |
start: |
| 699 |
h = GetDesktopWindow (); |
| 700 |
if (!gpg_prefs_ok ()) |
| 701 |
DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h, |
| 702 |
gpgprefs_dlg_proc, 0); |
| 703 |
choice = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h, |
| 704 |
first_run_dlg_proc, 0); |
| 705 |
switch (choice) { |
| 706 |
case SETUP_KEYGEN: |
| 707 |
c.interactive = 1; |
| 708 |
c.first_start = 1; |
| 709 |
rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD, |
| 710 |
h, keygen_wizard_dlg_proc, (LPARAM)&c); |
| 711 |
if (!rc) |
| 712 |
goto start; |
| 713 |
break; |
| 714 |
|
| 715 |
case SETUP_IMPORT: |
| 716 |
rc = gnupg_copy_keyrings (); |
| 717 |
if (rc) { |
| 718 |
msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR); |
| 719 |
goto start; |
| 720 |
} |
| 721 |
break; |
| 722 |
|
| 723 |
case 0: /* Cancel/Abort. */ |
| 724 |
default: |
| 725 |
DestroyWindow (hwnd); |
| 726 |
free_gnupg_table (); |
| 727 |
return 0; |
| 728 |
} |
| 729 |
update_keycache (hwnd); |
| 730 |
if (!check_crypto_engine ()) { |
| 731 |
DestroyWindow (hwnd); |
| 732 |
free_gnupg_table (); |
| 733 |
return 0; |
| 734 |
} |
| 735 |
if (!is_gpg4win_installed ()) { |
| 736 |
select_language (); |
| 737 |
load_gettext (); |
| 738 |
} |
| 739 |
} |
| 740 |
else { |
| 741 |
gpg_keycache_t c, sec_c; |
| 742 |
update_keycache (hwnd); |
| 743 |
c = keycache_get_ctx (1); |
| 744 |
if (!c || !gpg_keycache_get_size (c)) { |
| 745 |
gnupg_display_error (); |
| 746 |
msg_box (hwnd, _("The keycache was not initialized or is empty.\n" |
| 747 |
"Please check your GPG config (keyrings, pathes...)"), |
| 748 |
_("WinPT Error"), MB_ERR); |
| 749 |
ec = msg_box (NULL, _("It seems that GPG is not configured properly.\n" |
| 750 |
"Do you want to start the GPG preferences dialog?"), |
| 751 |
"WinPT", MB_INFO|MB_YESNO); |
| 752 |
if (ec == IDYES) { |
| 753 |
DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd, |
| 754 |
gpgprefs_dlg_proc, 0); |
| 755 |
update_keycache (hwnd); |
| 756 |
} |
| 757 |
else { |
| 758 |
DestroyWindow (hwnd); |
| 759 |
free_gnupg_table (); |
| 760 |
return 0; |
| 761 |
} |
| 762 |
} |
| 763 |
sec_c = keycache_get_ctx (0); |
| 764 |
if (check_default_key (sec_c)) { |
| 765 |
char *p = get_gnupg_default_key (); |
| 766 |
log_box (_("WinPT Error"), MB_ERR, |
| 767 |
_("Default key (from the GPG config file) could not be found.\n" |
| 768 |
"Please check your gpg.conf or set a new default key to correct it:\n\n" |
| 769 |
"%s: public key not found."), p? p : "[null]"); |
| 770 |
set_gnupg_default_key (NULL); |
| 771 |
} |
| 772 |
if (count_insecure_elgkeys ()) |
| 773 |
DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd, |
| 774 |
elgamal_warn_dlg_proc, 0); |
| 775 |
} |
| 776 |
|
| 777 |
if (start_manager) |
| 778 |
PostMessage (hwnd, WM_COMMAND, start_manager, 0); |
| 779 |
|
| 780 |
accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR); |
| 781 |
keyring_check_last_access (); /* init */ |
| 782 |
while (GetMessage (&msg, hwnd, 0, 0)) { |
| 783 |
if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) { |
| 784 |
TranslateMessage (&msg); |
| 785 |
DispatchMessage (&msg); |
| 786 |
} |
| 787 |
} |
| 788 |
|
| 789 |
return 0; |
| 790 |
} |
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