/[winpt]/trunk/Src/WinPT.cpp
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revision 20 by twoaday, Wed Jul 27 11:17:22 2005 UTC revision 121 by twoaday, Mon Dec 12 11:19:56 2005 UTC
# Line 1  Line 1 
1  /* WinPT.cpp - Windows Privacy Tray (WinPT)  /* WinPT.cpp - Windows Privacy Tray (WinPT)
2   *      Copyright (C) 2000-2005 Timo Schulz   *      Copyright (C) 2000-2005 Timo Schulz
3   *   *
4   * This file is part of WinPT.   * This file is part of WinPT.
5   *   *
6   * WinPT is free software; you can redistribute it and/or modify   * 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   * 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   * the Free Software Foundation; either version 2 of the License, or
9   * (at your option) any later version.   * (at your option) any later version.
10   *   *
11   * WinPT is distributed in the hope that it will be useful,   * WinPT is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   * GNU General Public License for more details.   * GNU General Public License for more details.
15   *   *
16   * You should have received a copy of the GNU General Public License   * You should have received a copy of the GNU General Public License
17   * along with WinPT; if not, write to the Free Software Foundation,   * along with WinPT; if not, write to the Free Software Foundation,
18   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19   */   */
20  #include <windows.h>  #ifdef HAVE_CONFIG_H
21    #include <config.h>
22  #include "../resource.h"  #endif
23  #include "wptTypes.h"  
24  #include "wptW32API.h"  #include <windows.h>
25  #include "wptVersion.h"  
26  #include "wptErrors.h"  #include "resource.h"
27  #include "wptGPG.h"  #include "wptTypes.h"
28  #include "wptRegistry.h"  #include "wptW32API.h"
29  #include "wptCommonCtl.h"  #include "wptVersion.h"
30  #include "wptDlgs.h"  #include "wptErrors.h"
31  #include "wptNLS.h"  #include "wptGPG.h"
32  #include "wptKeyserver.h"  #include "wptRegistry.h"
33  #include "wptCard.h"  #include "wptCommonCtl.h"
34  #include "wptFileManager.h"  #include "wptDlgs.h"
35  #include "wptContext.h"  #include "wptNLS.h"
36    #include "wptKeyserver.h"
37  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptCard.h"
38  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptFileManager.h"
39  HWND activ_hwnd;  #include "wptContext.h"
40  LOCK mo_file;  #include "wptCardEdit.h"
41  int scard_support = 0;  #include "wptCrypto.h"
42  int debug = 0;  
43  int mobile = 0;  #define MIN_GPG_VER   "1.4.2"   /* Minimal GPG version. */
44  int gpg_read_only = 0;  #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */
45  char gpgver[3];  
46    
47  /* Internal IPC */  HINSTANCE glob_hinst;   /* global instance for the dialogs */
48  int start_keymanager = 0;  HWND glob_hwnd;         /* global window handle for the dialogs */
49    HWND activ_hwnd;
50  static void  LOCK mo_file;
51  update_keycache (HWND hwnd)  int scard_support = 0;
52  {  int debug = 0;
53      refresh_cache_s rcs = {0};  int mobile = 0;
54      rcs.kr_reload = 0;  int gpg_read_only = 0;
55      rcs.kr_update = 1;  char gpgver[3];
56      rcs.tr_update = 1;  
57      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  
58                      keycache_dlg_proc, (LPARAM)&rcs);  /* Load the key cache and rebuild the signature cache. */
59  } /* update_keycache */  static void
60    update_keycache (HWND hwnd)
61    {
62  static char *      refresh_cache_s rcs = {0};
63  get_gettext_lang (void)      rcs.kr_reload = 0;
64  {          rcs.kr_update = 1;
65      char * fname;      rcs.tr_update = 1;
66      fname = get_reg_entry_mo ();      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
67      if (!fname)                      keycache_dlg_proc, (LPARAM)&rcs);
68          return NULL;  }
69      return fname;  
70  } /* get_gettext_lang */  
71    /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
72    void
73  static void  gpg_set_debug_mode (int val)
74  load_gettext (void)  {      
75  {      if (val)
76      char * nls = NULL;          putenv ("GPGME_DEBUG=5:gpgme.dbg");
77      char * file = NULL;      else
78            putenv ("GPGME_DEBUG=");
79      nls = get_gettext_lang ();  }
80      if (nls) {  
81          set_gettext_file ("winpt", nls);  
82          file = make_filename (nls, "winpt", "mo");  /* Return the name of the gettext language file. */
83          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  static char*
84              msg_box (NULL, _("Could not initizalize file lock.\n"  get_gettext_lang (void)
85                               "Native Language Support"),  {    
86                       _("WinPT Error"), MB_ERR);      char *fname;
87          }      fname = get_reg_entry_mo ();
88          free_if_alloc (nls);      if (!fname)
89          free_if_alloc (file);          return NULL;
90      }      return fname;
91  } /* load_gettext */  }
92    
93    
94  /* check if the default key from the gpg.conf file is available in the  /* Initialize the gettext sub system. */
95     keyring. if not, bail out because encryption won't work properly then. */  static void
96  static int  load_gettext (int prev_inst)
97  check_default_key (gpgme_keycache_t kc)  {
98  {      char *nls = NULL;
99      gpgme_key_t key;      char *file = NULL;
100      gpgme_error_t err = GPGME_No_Error;  
101      char * defkey;      nls = get_gettext_lang ();
102        if (nls) {
103      defkey = get_gnupg_default_key ();          set_gettext_file ("winpt", nls);
104      if (defkey)          file = make_filename (nls, "winpt", "mo");
105          err = gpgme_keycache_find_key (kc, defkey, 0, &key);          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
106      free_if_alloc (defkey);              if (!prev_inst)
107      return err? -1 : 0;                  msg_box (NULL, _("Could not initizalize file lock.\n"
108  } /* check_default_key */                                   "Native Language Support"),
109                             _("WinPT Error"), MB_ERR);
110            }
111  /* Return the WinPT program file name (with full pathname). */          free_if_alloc (nls);
112  static const char *          free_if_alloc (file);
113  get_prog_part (const char * fname, int use_cwd)      }
114  {  }
115      static char program[1024];  
116      char currdir[256], * cmd = NULL;  
117      int j;  /* check if the default key from the gpg.conf file is available in the
118               keyring. if not, bail out because encryption won't work properly then. */
119      memset (currdir, 0, DIM (currdir));  static int
120      memset (program, 0, DIM (program));  check_default_key (gpg_keycache_t kc)
121            {
122      if (use_cwd) {      gpgme_key_t key;
123          GetCurrentDirectory (DIM (currdir)-1, currdir);      gpgme_error_t err = GPG_ERR_NO_ERROR;
124          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      char * defkey;
125      }  
126      else {      defkey = get_gnupg_default_key ();
127          cmd = GetCommandLine ();      if (defkey)
128          if (cmd == NULL)          err = gpg_keycache_find_key (kc, defkey, 0, &key);
129              return NULL;      else
130          strncpy (currdir, cmd, 255);          msg_box (NULL, _("No useable secret key found."),
131          j = strlen (currdir);                   _("WinPT Error"), MB_ERR);
132          while (j--) {      free_if_alloc (defkey);
133              if (currdir[j] == '\\')      return err? -1 : 0;
134                  break;            }
135          }  
136          currdir[j] = 0;  
137          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  /* Return the WinPT program file name (with full pathname). */
138      }  static const char*
139      return program;  get_prog_part (const char * fname, int use_cwd)
140  } /* get_prog_part */  {
141        static char program[512];
142        char currdir[256];
143  static int      char *cmd = NULL;
144  check_crypto_engine (void)      int j;
145  {          
146      int ma=1, mi=4, pa=0; /* GPG 1.4.0 */      memset (currdir, 0, DIM (currdir));
147      int rc;      memset (program, 0, DIM (program));
148            
149      rc = check_gnupg_engine (&ma, &mi, &pa);      if (use_cwd) {
150      if (rc == -1) {          GetCurrentDirectory (DIM (currdir)-1, currdir);
151          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
152          return rc;      }
153      }      else {
154      else if (rc) {          cmd = GetCommandLine ();
155          log_box (_("WinPT Error"), MB_ERR,          if (cmd == NULL)
156                   _("Sorry, you need a newer GPG version.\n"              return NULL;
157                     "GPG version %d.%d.%d required GPG version 1.4.0"),          strncpy (currdir, cmd, sizeof (currdir)-1);
158                     ma, mi, pa);          j = strlen (currdir);
159          return rc;          while (j--) {
160      }              if (currdir[j] == '\\')
161      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */                  break;
162      if (ma >= 1 && mi >= 4)          }
163          scard_support = 1;          currdir[j] = 0;
164            _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
165      gpgver[0] = ma;      }
166      gpgver[1] = mi;      return program;
167      gpgver[2] = pa;  }
168      return rc;  
169  } /* check_crypto_engine */  
170    /* Check that the underlying crypto engine fullfills the minimal
171       requirements so all commands work properly. */
172  static int  static int
173  load_keyserver_conf (int quiet)  check_crypto_engine (void)
174  {  {
175      const char * t;      int ma=1, mi=4, pa=2; /* GPG 1.4.2 */
176      int rc;      int rc;
177    
178      if (reg_prefs.kserv_conf)      rc = check_gnupg_engine (&ma, &mi, &pa);
179          t = reg_prefs.kserv_conf;      if (rc == -1) {
180      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))          msg_box (NULL, _("Could not read GnuPG version."),
181          t = get_prog_part ("keyserver.conf", 0);                   _("WinPT Error"), MB_ERR);
182      else          return rc;
183          t = "keyserver.conf";      }
184      rc = kserver_load_conf (t);      else if (rc) {
185      if (rc && !quiet)          log_box (_("WinPT Error"), MB_ERR,
186          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);                   _("Sorry, you need a newer GPG version.\n"
187      return rc;                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
188  }                     ma, mi, pa);
189            return rc;
190        }
191  static void      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
192  enable_mobile_mode (void)      if (ma > 1 || pa >= 3)    
193  {          scard_support = 1;
194      memset (&reg_prefs, 0, sizeof (reg_prefs));  
195      reg_prefs.always_trust = 0;      gpgver[0] = ma;
196      reg_prefs.auto_backup = 0;      gpgver[1] = mi;
197      reg_prefs.cache_time = 0;      gpgver[2] = pa;
198      reg_prefs.expert = 0;      return rc;
199      reg_prefs.keylist_mode = 1;  }
200      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
201      reg_prefs.no_zip_mmedia = 1;  
202      reg_prefs.use_tmpfiles = 1;  /* Try to load the keyserver config file. If @quiet is 1
203      reg_prefs.word_wrap = 80;     do not show any errors. */
204      reg_prefs.use_viewer = 0; /* XXX */  static int
205  }  load_keyserver_conf (int quiet)
206    {
207  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      const char *t;
208        int rc;
209  int WINAPI  
210  #ifndef WINPT_IPC      if (reg_prefs.kserv_conf)
211  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)          t = reg_prefs.kserv_conf;
212  #else      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
213  win_main (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)          t = get_prog_part ("keyserver.conf", 0);
214  #endif      else
215  {          t = "keyserver.conf";
216      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      rc = kserver_load_conf (t);
217      HACCEL accel_tab;      if (rc && !quiet)
218      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
219      int first_start = 0, start_gpgprefs = 0;      return rc;
220      const char * s;  }
221      MSG msg;  
222      HWND hwnd;  
223    /* Enable the mobility mode. */
224      glob_hinst = hinst;  static void
225        enable_mobile_mode (void)
226      gpgme_lib_init ();  {
227      #ifdef _DEBUG      memset (&reg_prefs, 0, sizeof (reg_prefs));
228      gpgme_set_debug_mode (1);      reg_prefs.always_trust = 0;
229      #endif      reg_prefs.auto_backup = 0;
230      gpgme_set_pgm_string ("WinPT "PGM_VERSION);      reg_prefs.cache_time = 0;
231        reg_prefs.expert = 0;
232      s = PTD_get_version ();      reg_prefs.keylist_mode = 1;
233      if (strcmp (s, "0.8.0")) {      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
234          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      reg_prefs.no_zip_mmedia = 1;
235                   _("Please update your PTD.dll to the newest version, "      reg_prefs.use_tmpfiles = 1;
236                     "the version (%s) you use is too old."), s);      reg_prefs.word_wrap = 80;
237          return 0;      reg_prefs.use_viewer = 0; /* XXX */
238      }  }
239    
240      if (gpg_md_selftest ()) {  
241          msg_box (NULL, _("Cryptographic selftest failed."),  /* Main entry point. */
242                   _("WinPT Error"), MB_ERR);  int WINAPI
243          return 0;  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
244      }  {
245        WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
246      if (cmdline && stristr (cmdline, "--mobile")) {      HACCEL accel_tab;
247          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!", "WinPT", MB_INFO);      MSG msg;
248          mobile = 1;      HWND hwnd = NULL;
249      }      WORD ver[3], ptdver[4];
250        int rc, ec, created = 0;
251      set_default_kserver ();      int first_start = 0, start_gpgprefs = 0;
252        int winpt_inst_found = 0;
253      if (!mobile) {      int start_manager = 0;
254          regist_inst_gnupg (1);      const char *s;
255          regist_inst_winpt (1, &created);  
256      }      glob_hinst = hinst;
257      else {      if (cmdline && stristr (cmdline, "--stop")) {
258          enable_mobile_mode ();          hwnd = FindWindow ("WinPT", "WinPT");
259          /* XXX: ask for GPG path */          if (hwnd != NULL)
260          created = 1; /* Disable registry writing */              PostMessage (hwnd, WM_DESTROY, 0, 0);
261      }          return 0;
262        }
263      if (!created) {  
264          memset (&reg_prefs, 0, sizeof (reg_prefs));      /*
265          reg_prefs.use_tmpfiles = 1; /* default */      OSVERSIONINFO osinf;
266          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      memset (&osinf, 0, sizeof (osinf));
267          get_reg_winpt_prefs (&reg_prefs);      if (GetVersionEx (&osinf) &&
268          if (!reg_prefs.no_hotkeys)          osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
269              hotkeys_modify ();          osinf.dwMinorVersion == 0) {
270      }          msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
271                     "WinPT Warning", MB_INFO);
272      rc = gnupg_check_homedir ();      }
273      if (rc) {      */
274          log_box (_("WinPT Error"), MB_ERR,  
275                   _("GPG home directory is not set correctly.\n"      #ifdef _DEBUG
276                     "Please check the GPG registry settings:\n%s."),      gpg_set_debug_mode (1);
277                   winpt_strerror (rc));      debug = 1;
278          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,      #endif
279                                             _("Select GPG Public Keyring"),  
280                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
281                                             NULL);      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
282          if (s && !file_exist_check (s))                                   &ptdver[2], &ptdver[3]);
283          {      /* XXX
284              size_t n;      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
285              char * p = strrchr (s, '\\');          log_box (_("WinPT Error"), MB_ERR,
286              if (!p)                   _("The PTD.dll file has a different version than WinPT.exe\n"
287                  BUG (0);                     "Please update the PTD.dll to version %d.%d.%d"),
288              n = p - s;                     ver[0], ver[1], ver[2]);
289              if (n)          return 0;
290              {      }
291                  char * file = new char[n+1];      */
292                  if (!file)      if (gpg_md_selftest ()) {
293                      BUG (NULL);          msg_box (NULL, _("Cryptographic selftest failed."),
294                  memset (file, 0, n);                   _("WinPT Error"), MB_ERR);
295                  memcpy (file, s, n);          return 0;
296                  file[n] = '\0';              }
297                  set_reg_entry_gpg ("HomeDir", file);  
298                  free_if_alloc (file);      s = gpgme_check_version (MIN_GPGME_VER);
299                  gnupg_check_homedir (); /* change gpgProgram if needed */      if (!s || !*s) {
300              }          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
301          }                   _("WinPT Error"), MB_ERR);
302          else {          return 0;
303              msg_box (NULL, _("GPG home directory could not be determited."),      }
304                       _("WinPT Error"), MB_ERR);  
305              goto start;      CreateMutex (NULL, TRUE, PGM_NAME);
306          }      if (GetLastError () == ERROR_ALREADY_EXISTS)
307      }          winpt_inst_found = 1;
308    
309      rc = check_gnupg_prog ();      if (cmdline && stristr (cmdline, "--mobile")) {
310      if (rc) {          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
311          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"                   "WinPT", MB_INFO);
312                               "Do you want to start the GPG preferences to "          mobile = 1;
313                               "correct  this problem?"), _("WinPT Error"),      }
314                               MB_INFO|MB_YESNO) == IDYES)  
315              start_gpgprefs = 1;      set_default_kserver ();
316          else      load_gettext (winpt_inst_found);
317          {  
318              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      if (!mobile) {
319              return 0;          regist_inst_gnupg (1);
320          }          regist_inst_winpt (1, &created);
321      }      }
322        else {
323      rc = gnupg_access_files ();          enable_mobile_mode ();
324      if (!start_gpgprefs && rc)          /* XXX: ask for GPG path */
325      {          created = 1; /* Disable registry writing */
326          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)      }
327          {  
328              ec = msg_box (NULL,      if (!created) {
329                  _("Could not access and/or find the public and secret keyring.\n"          memset (&reg_prefs, 0, sizeof (reg_prefs));
330                    "If this is an accident, quit the program and fix it.\n\n"          reg_prefs.use_tmpfiles = 1; /* default */
331                    "Continue if you want that WinPT offers you more choices.\n"),          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
332                    "WinPT", MB_INFO|MB_YESNO);          get_reg_winpt_prefs (&reg_prefs);
333              if (ec == IDYES)          if (!reg_prefs.no_hotkeys)
334                  first_start = 1;              hotkeys_modify ();
335          }          gnupg_load_config ();
336          if (!first_start)      }
337          {  
338              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      rc = gnupg_check_homedir ();
339              return 0;      if (rc) {
340          }          log_box (_("WinPT Error"), MB_ERR,
341      }                   _("GPG home directory is not set correctly.\n"
342                       "Please check the GPG registry settings:\n%s."),
343      if (!first_start)                   winpt_strerror (rc));
344      {          s = get_fileopen_dlg (GetActiveWindow (),
345          rc = gpg_check_permissions (1);                                _("Select GPG Public Keyring"),
346          if (rc && rc == 2)                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
347              gpg_read_only = 1;                                NULL);
348          else if (rc)          if (s != NULL) {
349              return 0;              size_t n;
350      }              char *p = strrchr (s, '\\');
351                if (!p)
352      load_gettext ();                  BUG (0);
353      init_gnupg_table ();              n = p - s;
354                if (n) {
355      nfiles = fm_parse_command_line (cmdline);                  char *file = new char[n+1];
356      if (nfiles > 0)                  if (!file)
357          return 0;                      BUG (NULL);
358                    memset (file, 0, n);
359      if (cmdline && stristr (cmdline, "--wipe-freespace")) {                  memcpy (file, s, n);
360          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,                  file[n] = '\0';        
361                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,                  set_reg_entry_gpg ("HomeDir", file);
362                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);                  free_if_alloc (file);
363          free_gnupg_table ();                  gnupg_check_homedir (); /* change gpgProgram if needed */
364          return 0;              }
365      }          }
366            else {
367      load_keyserver_conf (cmdline? 1 : 0);              msg_box (NULL, _("GPG home directory could not be determited."),
368      if (start_keymanager) {                       _("WinPT Error"), MB_ERR);
369          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,              goto start;
370                              GetDesktopWindow(), keymanager_dlg_proc, NULL,          }
371                              _("Key Manager"), IDS_WINPT_KEYMISC);      }
372          keycache_release ();  
373          free_gnupg_table ();      rc = check_gnupg_prog ();
374          return 0;      if (rc) {
375      }          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
376                                 "Do you want to start the GPG preferences to "
377      if (cmdline && (stristr (cmdline, "--keymanager")                               "correct  this problem?"), _("WinPT Error"),
378                  || stristr (cmdline, "--cardmanager"))) {                               MB_INFO|MB_YESNO) == IDYES)
379          update_keycache (GetDesktopWindow ());              start_gpgprefs = 1;
380          if (stristr (cmdline, "keymanager"))          else {
381              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
382                              GetDesktopWindow(), keymanager_dlg_proc, NULL,              return 0;
383                              _("Key Manager"), IDS_WINPT_KEYMISC);            }
384          else {      }
385              gpgme_card_t crd = smartcard_init ();  
386              if (crd)      rc = gnupg_access_files ();
387                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,      if (!start_gpgprefs && rc) {
388                                    GetDesktopWindow(), card_edit_dlg_proc,          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
389                                    (LPARAM)crd, _("Card Manager"),              ec = msg_box (NULL,
390                                    IDS_WINPT_CARD_EDIT);                  _("Could not access and/or find the public and secret keyring.\n"
391              gpgme_card_release (crd);                    "If this is an accident, quit the program and fix it.\n\n"
392          }                    "Continue if you want that WinPT offers you more choices.\n"),
393          keycache_release ();                    "WinPT", MB_INFO|MB_YESNO);
394          free_gnupg_table ();              if (ec == IDYES)
395          return 0;                  first_start = 1;
396      }          }
397            if (!first_start) {
398      CreateMutex (NULL, TRUE, PGM_NAME);              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
399      if (GetLastError () == ERROR_ALREADY_EXISTS) {              return 0;
400          free_gnupg_table ();          }
401          return 0;      }
402      }  
403        if (!first_start) {
404      if (cmdline) {          rc = gpg_check_permissions (1);
405          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {          if (rc && rc == 2)
406              gpgme_set_debug_mode (1);              gpg_read_only = 1;
407              winpt_debug_msg ();          else if (rc)
408              debug = 1;              return 0;
409          }      }
410      }      
411        init_gnupg_table ();
412      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));  
413      rc = RegisterClass (&wc);      if (fm_parse_command_line (cmdline) > 0) {
414      if (rc == FALSE) {          free_gnupg_table ();
415          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);          return 0;
416          free_gnupg_table ();      }
417          return 0;  
418      }      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
419            dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
420      hwnd = CreateWindow (PGM_NAME,                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
421                           PGM_NAME,                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
422                           0, 0, 0, 0, 0,          free_gnupg_table ();
423                           NULL,          return 0;
424                           NULL,      }
425                           hinst,  
426                           NULL);      load_keyserver_conf (cmdline? 1 : 0);
427      if (hwnd == NULL) {  
428          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);      if (cmdline && (stristr (cmdline, "--keymanager")
429          free_gnupg_table ();                  || stristr (cmdline, "--cardmanager"))) {
430          return 0;          /* If an instance of WinPT is running, just send the command
431      }             to open the key manager. Otherwise start a new instance.
432      glob_hwnd = hwnd;           */
433      UpdateWindow (hwnd);          HWND tray = FindWindow ("WinPT", "WinPT");
434            if (stristr (cmdline, "keymanager"))
435      if (!first_start && !start_gpgprefs) {              start_manager = ID_WINPT_KEY;
436          gnupg_backup_options (1);          else
437          gnupg_backup_options (0);              start_manager = ID_WINPT_CARD;
438                    if (tray != NULL) {
439          rc = check_crypto_engine ();              PostMessage (tray, WM_COMMAND, start_manager, 0);
440          if (rc) {              free_gnupg_table ();
441              DestroyWindow (hwnd);              return 0;
442              free_gnupg_table ();          }
443              return 0;      }
444          }  
445      }      /* If we found another WinPT instance, just quit to avoid it
446           will be executed twice. */
447      if (start_gpgprefs)      if (winpt_inst_found) {
448      {          log_debug ("%s", "WinMain: WinPT is already running.");
449          char *ring;          free_gnupg_table ();
450          size_t size = 0;          return 0;
451          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      }
452                          gpgprefs_dlg_proc, NULL);  
453          ring = get_gnupg_keyring (0, !NO_STRICT);      if (cmdline) {
454          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)          if (stristr (cmdline, "--enable-debug") ||
455              first_start = 1; /* The keyring is empty! */              stristr (cmdline, "--debug")) {
456          free_if_alloc (ring);              gpg_set_debug_mode (1);
457      }              winpt_debug_msg ();
458                debug = 1;
459      if (first_start) {          }
460          struct key_wizard_s c, dummy;      }
461  start:  
462          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, hwnd,      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
463                          first_run_dlg_proc, (LPARAM)&dummy);      rc = RegisterClass (&wc);
464          switch (dummy.interactive)      if (rc == FALSE) {
465          {          msg_box (NULL, _("Could not register window class"),
466          case SETUP_KEYGEN:                   _("WinPT Error"), MB_ERR);
467              c.interactive = 1;          free_gnupg_table ();
468              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,          return 0;
469                                   hwnd, keygen_wizard_dlg_proc, (LPARAM)&c);      }
470              if (!rc)  
471                  goto start;      hwnd = CreateWindow (PGM_NAME,
472              break;                           PGM_NAME,
473                             0, 0, 0, 0, 0,
474          case SETUP_IMPORT:                           NULL,
475              rc = gnupg_copy_keyrings ();                           NULL,
476              if (rc) {                           hinst,
477                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                           NULL);
478                  goto start;      if (hwnd == NULL) {
479              }          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
480              break;          free_gnupg_table ();
481            return 0;
482          case SETUP_EXISTING:      }
483              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      glob_hwnd = hwnd;
484                              gpgprefs_dlg_proc, NULL);      UpdateWindow (hwnd);
485              break;  
486        if (!first_start && !start_gpgprefs) {
487          case -1:          gnupg_backup_options ();        
488              DestroyWindow (hwnd);          rc = check_crypto_engine ();
489              free_gnupg_table ();          if (rc) {
490              return 0;              DestroyWindow (hwnd);
491          }              free_gnupg_table ();
492          update_keycache (hwnd);              return 0;
493          check_crypto_engine ();          }
494      }      }
495      else {      
496          gpgme_keycache_t c;      if (start_gpgprefs) {
497          update_keycache (hwnd);          char *ring;
498          c = keycache_get_ctx (1);          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
499          if (!c || !gpgme_keycache_count (c)) {                          gpgprefs_dlg_proc, 0);
500              gnupg_display_error ();          ring = get_gnupg_keyring (0, !NO_STRICT);
501              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
502                               "Please check your GPG config (keyrings, pathes...)"),              first_start = 1; /* The keyring is empty! */
503                               _("WinPT Error"), MB_ERR);          free_if_alloc (ring);
504              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"      }
505                                    "Do you want to start the GPG preferences dialog?"),  
506                              "WinPT", MB_INFO|MB_YESNO);      if (first_start) {
507              if (ec == IDYES) {          struct first_start_s fs;
508                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          struct genkey_s c;
509                                  gpgprefs_dlg_proc, NULL);          HWND h;
510                  update_keycache (hwnd);  start:
511              }          h = GetDesktopWindow ();
512              else {          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
513                  DestroyWindow (hwnd);                              gpgprefs_dlg_proc, 0);
514                  free_gnupg_table ();          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
515                  return 0;                          first_run_dlg_proc, (LPARAM)&fs);
516              }          switch (fs.choice) {
517          }          case SETUP_KEYGEN:
518          if (check_default_key (c)) {              c.interactive = 1;
519              char * p = get_gnupg_default_key ();              c.first_start = 1;
520              log_box (_("WinPT Error"), MB_ERR,              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
521                       _("Default key from the GPG options file could not be found.\n"                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);
522                         "Please check your gpg.conf (options) to correct this:\n\n"              if (!rc)
523                         "%s: public key not found."), p? p : "[null]");                  goto start;
524              free_if_alloc (p);              break;
525              DestroyWindow (hwnd);  
526              free_gnupg_table ();          case SETUP_IMPORT:
527              return 0;              rc = gnupg_copy_keyrings ();
528          }              if (rc) {
529          if (count_insecure_elgkeys ())                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
530              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,                  goto start;
531                              elgamal_warn_dlg_proc, NULL);              }
532      }              break;
533    
534      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);          case -1:
535      keyring_check_last_access (); /* init */              DestroyWindow (hwnd);
536      while (GetMessage (&msg, hwnd, 0, 0)) {              free_gnupg_table ();
537          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {              return 0;
538              TranslateMessage (&msg);          }
539              DispatchMessage (&msg);          update_keycache (hwnd);
540          }          check_crypto_engine ();
541      }      }
542                else {
543      return 0;          gpg_keycache_t c;
544  } /* WinMain */          update_keycache (hwnd);
545            c = keycache_get_ctx (1);
546            if (!c || !gpg_keycache_get_size (c)) {
547                gnupg_display_error ();
548                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
549                                 "Please check your GPG config (keyrings, pathes...)"),
550                                 _("WinPT Error"), MB_ERR);
551                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
552                                      "Do you want to start the GPG preferences dialog?"),
553                                "WinPT", MB_INFO|MB_YESNO);
554                if (ec == IDYES) {
555                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
556                                    gpgprefs_dlg_proc, 0);
557                    update_keycache (hwnd);
558                }
559                else {
560                    DestroyWindow (hwnd);
561                    free_gnupg_table ();
562                    return 0;
563                }
564            }
565            if (check_default_key (c)) {
566                char *p = get_gnupg_default_key ();
567                log_box (_("WinPT Error"), MB_ERR,
568                         _("Default key from the GPG options file could not be found.\n"
569                           "Please check your gpg.conf (options) to correct this:\n\n"
570                           "%s: public key not found."), p? p : "[null]");
571                free_if_alloc (p);
572                DestroyWindow (hwnd);
573                free_gnupg_table ();
574                return 0;
575            }
576            if (count_insecure_elgkeys ())
577                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
578                                elgamal_warn_dlg_proc, 0);
579        }
580    
581        if (start_manager)
582            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
583    
584        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
585        keyring_check_last_access (); /* init */
586        while (GetMessage (&msg, hwnd, 0, 0)) {
587            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
588                TranslateMessage (&msg);
589                DispatchMessage (&msg);
590            }
591        }
592            
593        return 0;
594    }
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