/[winpt]/trunk/Src/WinPT.cpp
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revision 12 by twoaday, Thu Apr 14 12:56:25 2005 UTC revision 58 by werner, Wed Nov 2 13:36:03 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    #ifdef HAVE_CONFIG_H
21  #include <windows.h>  #include <config.h>
22    #endif
23  #include "../resource.h"  
24  #include "wptTypes.h"  #include <windows.h>
25  #include "wptW32API.h"  
26  #include "wptVersion.h"  #include "resource.h"
27  #include "wptErrors.h"  #include "wptTypes.h"
28  #include "wptGPG.h"  #include "wptW32API.h"
29  #include "wptRegistry.h"  #include "wptVersion.h"
30  #include "wptCommonCtl.h"  #include "wptErrors.h"
31  #include "wptDlgs.h"  #include "wptGPG.h"
32  #include "wptNLS.h"  #include "wptRegistry.h"
33  #include "wptKeyserver.h"  #include "wptCommonCtl.h"
34  #include "wptCard.h"  #include "wptDlgs.h"
35  #include "wptFileManager.h"  #include "wptNLS.h"
36  #include "wptContext.h"  #include "wptKeyserver.h"
37    #include "wptCard.h"
38  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptFileManager.h"
39  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptContext.h"
40  HWND activ_hwnd;  #include "wptCardEdit.h"
41  LOCK mo_file;  #include "wptCrypto.h"
42  int scard_support = 0;  
43  int debug = 0;  #define MIN_GPG_VER   "1.4.3"   /* Minimal GPG version. */
44  int mobile = 0;  #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */
45  int gpg_read_only = 0;  #define MIN_PTD_VER   "0.8.1"   /* Minimal PTD version. */
46  char gpgver[3];  
47    
48    HINSTANCE glob_hinst;   /* global instance for the dialogs */
49  static void  HWND glob_hwnd;         /* global window handle for the dialogs */
50  update_keycache (HWND hwnd)  HWND activ_hwnd;
51  {  LOCK mo_file;
52      refresh_cache_s rcs = {0};  int scard_support = 0;
53      rcs.kr_reload = 0;  int debug = 0;
54      rcs.kr_update = 1;  int mobile = 0;
55      rcs.tr_update = 1;  int gpg_read_only = 0;
56      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  char gpgver[3];
57                      keycache_dlg_proc, (LPARAM)&rcs);  
58  } /* update_keycache */  
59    /* Load the key cache and rebuild the signature cache. */
60    static void
61  static char *  update_keycache (HWND hwnd)
62  get_gettext_lang (void)  {
63  {          refresh_cache_s rcs = {0};
64      char * fname;      rcs.kr_reload = 0;
65      fname = get_reg_entry_mo ();      rcs.kr_update = 1;
66      if (!fname)      rcs.tr_update = 1;
67          return NULL;      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
68      return fname;                      keycache_dlg_proc, (LPARAM)&rcs);
69  } /* get_gettext_lang */  }
70    
71    
72  static void  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
73  load_gettext (void)  void
74  {  gpg_set_debug_mode (int val)
75      char * nls = NULL;  {      
76      char * file = NULL;      if (val)
77            putenv ("GPGME_DEBUG=5:gpgme.dbg");
78      nls = get_gettext_lang ();      else
79      if (nls) {          putenv ("GPGME_DEBUG=");
80          set_gettext_file ("winpt", nls);  }
81          file = make_filename (nls, "winpt", "mo");  
82          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  
83              msg_box (NULL, _("Could not initizalize file lock.\n"  /* Return the name of the gettext language file. */
84                               "Native Language Support"),  static char*
85                       _("WinPT Error"), MB_ERR);  get_gettext_lang (void)
86          }  {    
87          free_if_alloc (nls);      char *fname;
88          free_if_alloc (file);      fname = get_reg_entry_mo ();
89      }      if (!fname)
90  } /* load_gettext */          return NULL;
91        return fname;
92    }
93  /* check if the default key from the gpg.conf file is available in the  
94     keyring. if not, bail out because encryption won't work properly then. */  
95  static int  /* Initialize the gettext sub system. */
96  check_default_key (gpgme_keycache_t kc)  static void
97  {  load_gettext (int prev_inst)
98      gpgme_key_t key;  {
99      gpgme_error_t err = GPGME_No_Error;      char *nls = NULL;
100      char * defkey;      char *file = NULL;
101    
102      defkey = get_gnupg_default_key ();      nls = get_gettext_lang ();
103      if (defkey)      if (nls) {
104          err = gpgme_keycache_find_key (kc, defkey, 0, &key);          set_gettext_file ("winpt", nls);
105      free_if_alloc (defkey);          file = make_filename (nls, "winpt", "mo");
106      return err? -1 : 0;          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
107  } /* check_default_key */              if (!prev_inst)
108                    msg_box (NULL, _("Could not initizalize file lock.\n"
109                                     "Native Language Support"),
110  /* Return the WinPT program file name (with full pathname). */                           _("WinPT Error"), MB_ERR);
111  static const char *          }
112  get_prog_part (const char * fname, int use_cwd)          free_if_alloc (nls);
113  {          free_if_alloc (file);
114      static char program[1024];      }
115      char currdir[256], * cmd = NULL;  }
116      int j;  
117            
118      memset (currdir, 0, DIM (currdir));  /* check if the default key from the gpg.conf file is available in the
119      memset (program, 0, DIM (program));     keyring. if not, bail out because encryption won't work properly then. */
120            static int
121      if (use_cwd) {  check_default_key (gpg_keycache_t kc)
122          GetCurrentDirectory (DIM (currdir)-1, currdir);  {
123          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      gpgme_key_t key;
124      }      gpgme_error_t err = GPG_ERR_NO_ERROR;
125      else {      char * defkey;
126          cmd = GetCommandLine ();  
127          if (cmd == NULL)      defkey = get_gnupg_default_key ();
128              return NULL;      if (defkey)
129          strncpy (currdir, cmd, 255);          err = gpg_keycache_find_key (kc, defkey, 0, &key);
130          j = strlen (currdir);      free_if_alloc (defkey);
131          while (j--) {      return err? -1 : 0;
132              if (currdir[j] == '\\')  }
133                  break;            
134          }  
135          currdir[j] = 0;  /* Return the WinPT program file name (with full pathname). */
136          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  static const char *
137      }  get_prog_part (const char * fname, int use_cwd)
138      return program;  {
139  } /* get_prog_part */      static char program[512];
140        char currdir[256];
141        char *cmd = NULL;
142  static int      int j;
143  check_crypto_engine (void)          
144  {      memset (currdir, 0, DIM (currdir));
145      int ma=1, mi=2, pa=4; /* GPG 1.2.4 */      memset (program, 0, DIM (program));
146      int rc;          
147        if (use_cwd) {
148      rc = check_gnupg_engine (&ma, &mi, &pa);          GetCurrentDirectory (DIM (currdir)-1, currdir);
149      if (rc == -1) {          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
150          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);      }
151          return rc;      else {
152      }          cmd = GetCommandLine ();
153      else if (rc) {          if (cmd == NULL)
154          log_box (_("WinPT Error"), MB_ERR,              return NULL;
155                   _("Sorry, you need a newer GPG version.\n"          strncpy (currdir, cmd, sizeof (currdir)-1);
156                     "GPG version %d.%d.%d requred GPG version 1.2.4"),          j = strlen (currdir);
157                     ma, mi, pa);          while (j--) {
158          return rc;              if (currdir[j] == '\\')
159      }                  break;
160      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */          }
161      if (ma >= 1 && mi >= 4)          currdir[j] = 0;
162          scard_support = 1;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
163        }
164      gpgver[0] = ma;      return program;
165      gpgver[1] = mi;  }
166      gpgver[2] = pa;  
167      return rc;  
168  } /* check_crypto_engine */  /* Check that the underlying crypto engine fullfills the minimal
169       requirements so all commands work properly. */
170    static int
171  static int  check_crypto_engine (void)
172  load_keyserver_conf (int quiet)  {
173  {      int ma=1, mi=4, pa=3; /* GPG 1.4.3 */
174      const char * t;      int rc;
175      int rc;  
176        rc = check_gnupg_engine (&ma, &mi, &pa);
177      if (reg_prefs.kserv_conf)      if (rc == -1) {
178          t = reg_prefs.kserv_conf;          msg_box (NULL, _("Could not read GnuPG version."),
179      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))                   _("WinPT Error"), MB_ERR);
180          t = get_prog_part ("keyserver.conf", 0);          return rc;
181      else      }
182          t = "keyserver.conf";      else if (rc) {
183      rc = kserver_load_conf (t);          log_box (_("WinPT Error"), MB_ERR,
184      if (rc && !quiet)                   _("Sorry, you need a newer GPG version.\n"
185          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
186      return rc;                     ma, mi, pa);
187  }          return rc;
188        }
189        /* We enable smartcard support for GPG: 1.9 or >= 1.4 */
190  static void      if ((ma == 1 && mi >= 4) || ma > 1)
191  enable_mobile_mode (void)          scard_support = 1;
192  {  
193      memset (&reg_prefs, 0, sizeof (reg_prefs));      gpgver[0] = ma;
194      reg_prefs.always_trust = 0;      gpgver[1] = mi;
195      reg_prefs.auto_backup = 0;      gpgver[2] = pa;
196      reg_prefs.cache_time = 0;      return rc;
197      reg_prefs.expert = 0;  }
198      reg_prefs.keylist_mode = 1;  
199      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
200      reg_prefs.no_zip_mmedia = 1;  /* Try to load the keyserver config file. If @quiet is 1
201      reg_prefs.use_tmpfiles = 1;     do not show any errors. */
202      reg_prefs.word_wrap = 80;  static int
203      reg_prefs.use_viewer = 0; /* XXX */  load_keyserver_conf (int quiet)
204  }  {
205        const char * t;
206  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      int rc;
207    
208  int WINAPI      if (reg_prefs.kserv_conf)
209  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)          t = reg_prefs.kserv_conf;
210  {      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
211      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};          t = get_prog_part ("keyserver.conf", 0);
212      HACCEL accel_tab;      else
213      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;          t = "keyserver.conf";
214      int first_start = 0, start_gpgprefs = 0;      rc = kserver_load_conf (t);
215      const char * s;      if (rc && !quiet)
216      MSG msg;          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
217      HWND hwnd;      return rc;
218    }
219      glob_hinst = hinst;  
220        
221      gpgme_lib_init ();  /* Enable the mobility mode. */
222      #ifdef _DEBUG  static void
223      gpgme_set_debug_mode (1);  enable_mobile_mode (void)
224      #endif  {
225      gpgme_set_pgm_string ("WinPT "PGM_VERSION);      memset (&reg_prefs, 0, sizeof (reg_prefs));
226        reg_prefs.always_trust = 0;
227      s = PTD_get_version ();      reg_prefs.auto_backup = 0;
228      if (strcmp (s, "0.8.0")) {      reg_prefs.cache_time = 0;
229          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      reg_prefs.expert = 0;
230                   _("Please update your PTD.dll to the newest version, "      reg_prefs.keylist_mode = 1;
231                     "the version (%s) you use is too old."), s);      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
232          return 0;      reg_prefs.no_zip_mmedia = 1;
233      }      reg_prefs.use_tmpfiles = 1;
234        reg_prefs.word_wrap = 80;
235      if (gpg_md_selftest ()) {      reg_prefs.use_viewer = 0; /* XXX */
236          msg_box (NULL, _("Cryptographic selftest failed."),  }
237                   _("WinPT Error"), MB_ERR);  
238          return 0;  char* multi_gnupg_path (void);
239      }  
240    const char * fm_get_file_type (const char *fname, int *r_type);
241      if (cmdline && stristr (cmdline, "--mobile"))  
242          mobile = 1;  /* Main entry point. */
243    int WINAPI
244      set_default_kserver ();  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
245    {
246      if (!mobile) {      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
247          regist_inst_gnupg (1);      HACCEL accel_tab;
248          regist_inst_winpt (1, &created);      int rc, ec, created = 0, nfiles = 0;
249      }      int first_start = 0, start_gpgprefs = 0;
250      else {      int winpt_inst_found = 0;
251          enable_mobile_mode ();      const char *s;
252          /* XXX: ask for GPG path */      MSG msg;
253          created = 1; /* Disable registry writing */      HWND hwnd = NULL;
254      }  
255        glob_hinst = hinst;
256      if (!created) {  
257          memset (&reg_prefs, 0, sizeof (reg_prefs));  #ifdef _DEBUG
258          reg_prefs.use_tmpfiles = 1; /* default */      gpg_set_debug_mode (1);
259          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      debug = 1;
260          get_reg_winpt_prefs (&reg_prefs);  #endif
261          if (!reg_prefs.no_hotkeys)  
262              hotkeys_modify ();      s = PTD_get_version ();
263      }      // FIXME: Using strcmp here is wrong
264    //     if (strcmp (s, MIN_PTD_VER)) {
265      rc = gnupg_check_homedir ();  //      log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,
266      if (rc) {  //               _("Please update your PTD.dll to the newest version, "
267          log_box (_("WinPT Error"), MB_ERR,  //                 "the version (%s) you use is too old."), s);
268                   _("GPG home directory is not set correctly.\n"  //      return 0;
269                     "Please check the GPG registry settings:\n%s."),  //     }
270                   winpt_strerror (rc));  
271          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,      if (gpg_md_selftest ()) {
272                                             _("Select GPG Public Keyring"),          msg_box (NULL, _("Cryptographic selftest failed."),
273                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),                   _("WinPT Error"), MB_ERR);
274                                             NULL);          return 0;
275          if (s && !file_exist_check (s))      }
276          {  
277              size_t n;      s = gpgme_check_version (MIN_GPGME_VER);
278              char * p = strrchr (s, '\\');      if (!s || !*s) {
279              if (!p)          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
280                  BUG (0);                   _("WinPT Error"), MB_ERR);
281              n = p - s;          return 0;
282              if (n)      }
283              {  
284                  char * file = new char[n+1];      CreateMutex (NULL, TRUE, PGM_NAME);
285                  if (!file)      if (GetLastError () == ERROR_ALREADY_EXISTS)
286                      BUG (NULL);          winpt_inst_found = 1;
287                  memset (file, 0, n);  
288                  memcpy (file, s, n);      if (cmdline && stristr (cmdline, "--mobile")) {
289                  file[n] = '\0';                  msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
290                  set_reg_entry_gpg ("HomeDir", file);                   "WinPT", MB_INFO);
291                  free_if_alloc (file);          mobile = 1;
292                  gnupg_check_homedir (); /* change gpgProgram if needed */      }
293              }  
294          }      set_default_kserver ();
295          else {  
296              msg_box (NULL, _("GPG home directory could not be determited."),      if (!mobile) {
297                       _("WinPT Error"), MB_ERR);          regist_inst_gnupg (1);
298              goto start;          regist_inst_winpt (1, &created);
299          }      }
300      }      else {
301            enable_mobile_mode ();
302      rc = check_gnupg_prog ();          /* XXX: ask for GPG path */
303      if (rc) {          created = 1; /* Disable registry writing */
304          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"      }
305                               "Do you want to start the GPG preferences to "  
306                               "correct  this problem?"), _("WinPT Error"),      if (!created) {
307                               MB_INFO|MB_YESNO) == IDYES)          memset (&reg_prefs, 0, sizeof (reg_prefs));
308              start_gpgprefs = 1;          reg_prefs.use_tmpfiles = 1; /* default */
309          else          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
310          {          get_reg_winpt_prefs (&reg_prefs);
311              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          if (!reg_prefs.no_hotkeys)
312              return 0;              hotkeys_modify ();
313          }          gnupg_load_config ();
314      }      }
315    
316      rc = gnupg_access_files ();      rc = gnupg_check_homedir ();
317      if (!start_gpgprefs && rc)      if (rc) {
318      {          log_box (_("WinPT Error"), MB_ERR,
319          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)                   _("GPG home directory is not set correctly.\n"
320          {                     "Please check the GPG registry settings:\n%s."),
321              ec = msg_box (NULL,                   winpt_strerror (rc));
322                  _("Could not access and/or find the public and secret keyring.\n"          s = get_fileopen_dlg (GetActiveWindow (),
323                    "If this is an accident, quit the program and fix it.\n\n"                                _("Select GPG Public Keyring"),
324                    "Continue if you want that WinPT offers you more choices.\n"),                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
325                    "WinPT", MB_INFO|MB_YESNO);                                NULL);
326              if (ec == IDYES)          if (s != NULL) {
327                  first_start = 1;              size_t n;
328          }              char * p = strrchr (s, '\\');
329          if (!first_start)              if (!p)
330          {                  BUG (0);
331              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);              n = p - s;
332              return 0;              if (n) {
333          }                  char * file = new char[n+1];
334      }                  if (!file)
335                        BUG (NULL);
336      if (!first_start)                  memset (file, 0, n);
337      {                  memcpy (file, s, n);
338          rc = gpg_check_permissions (1);                  file[n] = '\0';        
339          if (rc && rc == 2)                  set_reg_entry_gpg ("HomeDir", file);
340              gpg_read_only = 1;                  free_if_alloc (file);
341          else if (rc)                  gnupg_check_homedir (); /* change gpgProgram if needed */
342              return 0;              }
343      }          }
344            else {
345      load_gettext ();              msg_box (NULL, _("GPG home directory could not be determited."),
346      init_gnupg_table ();                       _("WinPT Error"), MB_ERR);
347                goto start;
348      nfiles = fm_parse_command_line (cmdline);          }
349      if (nfiles > 0)      }
350          return 0;  
351        rc = check_gnupg_prog ();
352      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      if (rc) {
353          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
354                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,                               "Do you want to start the GPG preferences to "
355                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);                               "correct  this problem?"), _("WinPT Error"),
356          free_gnupg_table ();                               MB_INFO|MB_YESNO) == IDYES)
357          return 0;              start_gpgprefs = 1;
358      }          else
359            {
360      load_keyserver_conf (cmdline? 1 : 0);              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
361      if (cmdline && (stristr (cmdline, "--keymanager")              return 0;
362                  || stristr (cmdline, "--cardmanager"))) {          }
363          update_keycache (GetDesktopWindow ());      }
364          if (stristr (cmdline, "keymanager"))  
365              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      rc = gnupg_access_files ();
366                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      if (!start_gpgprefs && rc) {
367                              _("Key Manager"), IDS_WINPT_KEYMISC);          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
368          else {              ec = msg_box (NULL,
369              gpgme_card_t crd = smartcard_init ();                  _("Could not access and/or find the public and secret keyring.\n"
370              if (crd)                    "If this is an accident, quit the program and fix it.\n\n"
371                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,                    "Continue if you want that WinPT offers you more choices.\n"),
372                                    GetDesktopWindow(), card_edit_dlg_proc,                    "WinPT", MB_INFO|MB_YESNO);
373                                    (LPARAM)crd, _("Card Manager"),              if (ec == IDYES)
374                                    IDS_WINPT_CARD_EDIT);                  first_start = 1;
375              gpgme_card_release (crd);          }
376          }          if (!first_start) {
377          keycache_release ();              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
378          free_gnupg_table ();              return 0;
379          return 0;          }
380      }      }
381    
382      CreateMutex (NULL, TRUE, PGM_NAME);      if (!first_start) {
383      if (GetLastError () == ERROR_ALREADY_EXISTS) {          rc = gpg_check_permissions (1);
384          free_gnupg_table ();          if (rc && rc == 2)
385          return 0;              gpg_read_only = 1;
386      }          else if (rc)
387                return 0;
388      if (cmdline) {      }
389          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {  
390              gpgme_set_debug_mode (1);      load_gettext (winpt_inst_found);
391              winpt_debug_msg ();      init_gnupg_table ();
392              debug = 1;  
393          }      nfiles = fm_parse_command_line (cmdline);
394      }      if (nfiles > 0) {
395            free_gnupg_table ();
396      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));          return 0;
397      rc = RegisterClass (&wc);      }
398      if (rc == FALSE) {  
399          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
400          free_gnupg_table ();          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
401          return 0;                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,
402      }                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
403            free_gnupg_table ();
404      hwnd = CreateWindow (PGM_NAME,          return 0;
405                           PGM_NAME,      }
406                           0, 0, 0, 0, 0,  
407                           NULL,      load_keyserver_conf (cmdline? 1 : 0);
408                           NULL,  
409                           hinst,      if (cmdline && (stristr (cmdline, "--keymanager")
410                           NULL);                  || stristr (cmdline, "--cardmanager"))) {
411      if (hwnd == NULL) {          update_keycache (GetDesktopWindow ());
412          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);          if (stristr (cmdline, "keymanager"))
413          free_gnupg_table ();              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,
414          return 0;                              GetDesktopWindow(), keymanager_dlg_proc, NULL,
415      }                              _("Key Manager"), IDS_WINPT_KEYMISC);  
416      glob_hwnd = hwnd;          else {
417      UpdateWindow (hwnd);              gpg_card_t crd = gpg_card_load ();
418                if (crd)
419      if (!first_start && !start_gpgprefs) {                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,
420          gnupg_backup_options (1);                                    GetDesktopWindow(), card_edit_dlg_proc,
421          gnupg_backup_options (0);                                    (LPARAM)crd, _("Card Manager"),
422                                              IDS_WINPT_CARD_EDIT);
423          rc = check_crypto_engine ();              gpg_card_release (crd);
424          if (rc) {          }
425              DestroyWindow (hwnd);          keycache_release (0);
426              free_gnupg_table ();          free_gnupg_table ();
427              return 0;          return 0;
428          }      }
429      }  
430        /* If we found another WinPT instance, just quit to avoid it
431      if (start_gpgprefs)         will be executed twice. */
432      {      if (winpt_inst_found) {
433          char *ring;          log_debug ("%s", "WinMain: WinPT is already running.");
434          size_t size = 0;          free_gnupg_table ();
435          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          return 0;
436                          gpgprefs_dlg_proc, NULL);      }
437          ring = get_gnupg_keyring (0, !NO_STRICT);  
438          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)      if (cmdline) {
439              first_start = 1; /* The keyring is empty! */          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {
440          free_if_alloc (ring);              gpg_set_debug_mode (1);
441      }              winpt_debug_msg ();
442                debug = 1;
443      if (first_start) {          }
444          struct key_wizard_s c, dummy;      }
445  start:  
446          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, hwnd,      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
447                          first_run_dlg_proc, (LPARAM)&dummy);      rc = RegisterClass (&wc);
448          switch (dummy.interactive)      if (rc == FALSE) {
449          {          msg_box (NULL, _("Could not register window class"),
450          case SETUP_KEYGEN:                   _("WinPT Error"), MB_ERR);
451              c.interactive = 1;          free_gnupg_table ();
452              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,          return 0;
453                                   hwnd, keygen_wizard_dlg_proc, (LPARAM)&c);      }
454              if (!rc)  
455                  goto start;      hwnd = CreateWindow (PGM_NAME,
456              break;                           PGM_NAME,
457                             0, 0, 0, 0, 0,
458          case SETUP_IMPORT:                           NULL,
459              rc = gnupg_copy_keyrings ();                           NULL,
460              if (rc) {                           hinst,
461                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                           NULL);
462                  goto start;      if (hwnd == NULL) {
463              }          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
464              break;          free_gnupg_table ();
465            return 0;
466          case SETUP_EXISTING:      }
467              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      glob_hwnd = hwnd;
468                              gpgprefs_dlg_proc, NULL);      UpdateWindow (hwnd);
469              break;  
470        if (!first_start && !start_gpgprefs) {
471          case -1:          gnupg_backup_options ();        
472              DestroyWindow (hwnd);          rc = check_crypto_engine ();
473              free_gnupg_table ();          if (rc) {
474              return 0;              DestroyWindow (hwnd);
475          }              free_gnupg_table ();
476          update_keycache (hwnd);              return 0;
477          check_crypto_engine ();          }
478      }      }
479      else {      
480          gpgme_keycache_t c;      if (start_gpgprefs) {
481          update_keycache (hwnd);          char *ring;
482          c = keycache_get_ctx (1);  
483          if (!c || !gpgme_keycache_count (c)) {          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
484              gnupg_display_error ();                          gpgprefs_dlg_proc, 0);
485              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"          ring = get_gnupg_keyring (0, !NO_STRICT);
486                               "Please check your GPG config (keyrings, pathes...)"),          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
487                               _("WinPT Error"), MB_ERR);              first_start = 1; /* The keyring is empty! */
488              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"          free_if_alloc (ring);
489                                    "Do you want to start the GPG preferences dialog?"),      }
490                              "WinPT", MB_INFO|MB_YESNO);  
491              if (ec == IDYES) {      if (first_start) {
492                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          struct first_start_s fs;
493                                  gpgprefs_dlg_proc, NULL);          struct genkey_s c;
494                  update_keycache (hwnd);          HWND h;
495              }  start:
496              else {          h = GetDesktopWindow ();
497                  DestroyWindow (hwnd);          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
498                  free_gnupg_table ();                              gpgprefs_dlg_proc, 0);
499                  return 0;          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
500              }                          first_run_dlg_proc, (LPARAM)&fs);
501          }          switch (fs.choice) {
502          if (check_default_key (c)) {          case SETUP_KEYGEN:
503              char * p = get_gnupg_default_key ();              c.interactive = 1;
504              log_box (_("WinPT Error"), MB_ERR,              c.first_start = 1;
505                       _("Default key from the GPG options file could not be found.\n"              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
506                         "Please check your gpg.conf (options) to correct this:\n\n"                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);
507                         "%s: public key not found."), p? p : "[null]");              if (!rc)
508              free_if_alloc (p);                  goto start;
509              DestroyWindow (hwnd);              break;
510              free_gnupg_table ();  
511              return 0;          case SETUP_IMPORT:
512          }              rc = gnupg_copy_keyrings ();
513          if (count_insecure_elgkeys ())              if (rc) {
514              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
515                              elgamal_warn_dlg_proc, NULL);                  goto start;
516      }              }
517                break;
518      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);  
519      keyring_check_last_access (); /* init */          case -1:
520      while (GetMessage (&msg, hwnd, 0, 0)) {              DestroyWindow (hwnd);
521          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {              free_gnupg_table ();
522              TranslateMessage (&msg);              return 0;
523              DispatchMessage (&msg);          }
524          }          update_keycache (hwnd);
525      }          check_crypto_engine ();
526                }
527      return 0;      else {
528  } /* WinMain */          gpg_keycache_t c;
529            update_keycache (hwnd);
530            c = keycache_get_ctx (1);
531            if (!c || !gpg_keycache_get_size (c)) {
532                gnupg_display_error ();
533                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
534                                 "Please check your GPG config (keyrings, pathes...)"),
535                                 _("WinPT Error"), MB_ERR);
536                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
537                                      "Do you want to start the GPG preferences dialog?"),
538                                "WinPT", MB_INFO|MB_YESNO);
539                if (ec == IDYES) {
540                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
541                                    gpgprefs_dlg_proc, 0);
542                    update_keycache (hwnd);
543                }
544                else {
545                    DestroyWindow (hwnd);
546                    free_gnupg_table ();
547                    return 0;
548                }
549            }
550            if (check_default_key (c)) {
551                char * p = get_gnupg_default_key ();
552                log_box (_("WinPT Error"), MB_ERR,
553                         _("Default key from the GPG options file could not be found.\n"
554                           "Please check your gpg.conf (options) to correct this:\n\n"
555                           "%s: public key not found."), p? p : "[null]");
556                free_if_alloc (p);
557                DestroyWindow (hwnd);
558                free_gnupg_table ();
559                return 0;
560            }
561            if (count_insecure_elgkeys ())
562                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
563                                elgamal_warn_dlg_proc, 0);
564        }
565    
566        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
567        keyring_check_last_access (); /* init */
568        while (GetMessage (&msg, hwnd, 0, 0)) {
569            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
570                TranslateMessage (&msg);
571                DispatchMessage (&msg);
572            }
573        }
574            
575        return 0;
576    }
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