/[winpt]/trunk/Src/WinPT.cpp
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revision 6 by twoaday, Mon Apr 4 06:59:24 2005 UTC revision 66 by twoaday, Thu Nov 3 17:55:18 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);      else
131          while (j--) {          msg_box (NULL, _("No useable secret key found."), _("WinPT Error"), MB_ERR);
132              if (currdir[j] == '\\')      free_if_alloc (defkey);
133                  break;                return err? -1 : 0;
134          }  }
135          currdir[j] = 0;  
136          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  
137      }  /* Return the WinPT program file name (with full pathname). */
138      return program;  static const char *
139  } /* get_prog_part */  get_prog_part (const char * fname, int use_cwd)
140    {
141        static char program[512];
142  static int      char currdir[256];
143  check_crypto_engine (void)      char *cmd = NULL;
144  {      int j;
145      int ma=1, mi=2, pa=4; /* GPG 1.2.4 */          
146      int rc;      memset (currdir, 0, DIM (currdir));
147        memset (program, 0, DIM (program));
148      rc = check_gnupg_engine (&ma, &mi, &pa);          
149      if (rc == -1) {      if (use_cwd) {
150          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);          GetCurrentDirectory (DIM (currdir)-1, currdir);
151          return rc;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
152      }      }
153      else if (rc) {      else {
154          log_box (_("WinPT Error"), MB_ERR,          cmd = GetCommandLine ();
155                   _("Sorry, you need a newer GPG version.\n"          if (cmd == NULL)
156                     "GPG version %d.%d.%d requred GPG version 1.2.4"),              return NULL;
157                     ma, mi, pa);          strncpy (currdir, cmd, sizeof (currdir)-1);
158          return rc;          j = strlen (currdir);
159      }          while (j--) {
160      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */              if (currdir[j] == '\\')
161      if (ma > 1 || mi >= 9 || mi >= 4)                  break;
162          scard_support = 1;          }
163            currdir[j] = 0;
164      gpgver[0] = ma;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
165      gpgver[1] = mi;      }
166      gpgver[2] = pa;      return program;
167      return rc;  }
168  } /* check_crypto_engine */  
169    
170    /* Check that the underlying crypto engine fullfills the minimal
171  static int     requirements so all commands work properly. */
172  load_keyserver_conf (int quiet)  static int
173  {  check_crypto_engine (void)
174      const char * t;  {
175      int rc;      int ma=1, mi=4, pa=3; /* GPG 1.4.3 */
176        int rc;
177      if (reg_prefs.kserv_conf)  
178          t = reg_prefs.kserv_conf;      rc = check_gnupg_engine (&ma, &mi, &pa);
179      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      if (rc == -1) {
180          t = get_prog_part ("keyserver.conf", 0);          msg_box (NULL, _("Could not read GnuPG version."),
181      else                   _("WinPT Error"), MB_ERR);
182          t = "keyserver.conf";          return rc;
183      rc = kserver_load_conf (t);      }
184      if (rc && !quiet)      else if (rc) {
185          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);          log_box (_("WinPT Error"), MB_ERR,
186      return rc;                   _("Sorry, you need a newer GPG version.\n"
187  }                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
188                       ma, mi, pa);
189            return rc;
190  static void      }
191  enable_mobile_mode (void)      /* We enable smartcard support for GPG: 1.9 or >= 1.4 */
192  {      if ((ma == 1 && mi >= 4) || ma > 1)
193      memset (&reg_prefs, 0, sizeof (reg_prefs));          scard_support = 1;
194      reg_prefs.always_trust = 0;  
195      reg_prefs.auto_backup = 0;      gpgver[0] = ma;
196      reg_prefs.cache_time = 0;      gpgver[1] = mi;
197      reg_prefs.expert = 0;      gpgver[2] = pa;
198      reg_prefs.keylist_mode = 1;      return rc;
199      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  }
200      reg_prefs.no_zip_mmedia = 1;  
201      reg_prefs.use_tmpfiles = 1;  
202      reg_prefs.word_wrap = 80;  /* Try to load the keyserver config file. If @quiet is 1
203      reg_prefs.use_viewer = 0; /* XXX */     do not show any errors. */
204  }  static int
205    load_keyserver_conf (int quiet)
206    {
207  int WINAPI      const char * t;
208  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      int rc;
209  {  
210      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      if (reg_prefs.kserv_conf)
211      HACCEL accel_tab;          t = reg_prefs.kserv_conf;
212      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
213      int first_start = 0, start_gpgprefs = 0;          t = get_prog_part ("keyserver.conf", 0);
214      const char * s;      else
215      MSG msg;          t = "keyserver.conf";
216      HWND hwnd;      rc = kserver_load_conf (t);
217        if (rc && !quiet)
218      glob_hinst = hinst;          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
219            return rc;
220      gpgme_lib_init ();  }
221      #ifdef _DEBUG  
222      gpgme_set_debug_mode (1);  
223      #endif  /* Enable the mobility mode. */
224      gpgme_set_pgm_string ("WinPT "PGM_VERSION);  static void
225    enable_mobile_mode (void)
226      s = PTD_get_version ();  {
227      if (strcmp (s, "0.8.0")) {      memset (&reg_prefs, 0, sizeof (reg_prefs));
228          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      reg_prefs.always_trust = 0;
229                   _("Please update your PTD.dll to the newest version, "      reg_prefs.auto_backup = 0;
230                     "the version (%s) you use is too old."), s);      reg_prefs.cache_time = 0;
231          return 0;      reg_prefs.expert = 0;
232      }      reg_prefs.keylist_mode = 1;
233        reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
234      if (gpg_md_selftest ()) {      reg_prefs.no_zip_mmedia = 1;
235          msg_box (NULL, _("Cryptographic selftest failed."),      reg_prefs.use_tmpfiles = 1;
236                   _("WinPT Error"), MB_ERR);      reg_prefs.word_wrap = 80;
237          return 0;      reg_prefs.use_viewer = 0; /* XXX */
238      }  }
239    
240      if (cmdline && stristr (cmdline, "--mobile"))  char* multi_gnupg_path (void);
241          mobile = 1;  
242    const char * fm_get_file_type (const char *fname, int *r_type);
243      set_default_kserver ();  
244    /* Main entry point. */
245      if (!mobile) {  int WINAPI
246          regist_inst_gnupg (1);  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
247          regist_inst_winpt (1, &created);  {
248      }      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
249      else {      HACCEL accel_tab;
250          enable_mobile_mode ();      int rc, ec, created = 0, nfiles = 0;
251          /* XXX: ask for GPG path */      int first_start = 0, start_gpgprefs = 0;
252          created = 1; /* Disable registry writing */      int winpt_inst_found = 0;
253      }      const char *s;
254        MSG msg;
255      if (!created) {      HWND hwnd = NULL;
256          memset (&reg_prefs, 0, sizeof (reg_prefs));  
257          reg_prefs.use_tmpfiles = 1; /* default */      glob_hinst = hinst;
258          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */  
259          get_reg_winpt_prefs (&reg_prefs);  #ifdef _DEBUG
260          if (!reg_prefs.no_hotkeys)      gpg_set_debug_mode (1);
261              hotkeys_modify ();      debug = 1;
262      }  #endif
263    
264      rc = gnupg_check_homedir ();      if (gpg_md_selftest ()) {
265      if (rc) {          msg_box (NULL, _("Cryptographic selftest failed."),
266          log_box (_("WinPT Error"), MB_ERR,                   _("WinPT Error"), MB_ERR);
267                   _("GPG home directory is not set correctly.\n"          return 0;
268                     "Please check the GPG registry settings:\n%s."),      }
269                   winpt_strerror (rc));  
270          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,      s = gpgme_check_version (MIN_GPGME_VER);
271                                             _("Select GPG Public Keyring"),      if (!s || !*s) {
272                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
273                                             NULL);                   _("WinPT Error"), MB_ERR);
274          if (s && !file_exist_check (s))          return 0;
275          {      }
276              size_t n;  
277              char * p = strrchr (s, '\\');      CreateMutex (NULL, TRUE, PGM_NAME);
278              if (!p)      if (GetLastError () == ERROR_ALREADY_EXISTS)
279                  BUG (0);          winpt_inst_found = 1;
280              n = p - s;  
281              if (n)      if (cmdline && stristr (cmdline, "--mobile")) {
282              {          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
283                  char * file = new char[n+1];                   "WinPT", MB_INFO);
284                  if (!file)          mobile = 1;
285                      BUG (NULL);      }
286                  memset (file, 0, n);  
287                  memcpy (file, s, n);      set_default_kserver ();
288                  file[n] = '\0';          
289                  set_reg_entry_gpg ("HomeDir", file);      if (!mobile) {
290                  free_if_alloc (file);          regist_inst_gnupg (1);
291                  gnupg_check_homedir (); /* change gpgProgram if needed */          regist_inst_winpt (1, &created);
292              }      }
293          }      else {
294          else {          enable_mobile_mode ();
295              msg_box (NULL, _("GPG home directory could not be determited."),          /* XXX: ask for GPG path */
296                       _("WinPT Error"), MB_ERR);          created = 1; /* Disable registry writing */
297              goto start;      }
298          }  
299      }      if (!created) {
300            memset (&reg_prefs, 0, sizeof (reg_prefs));
301      rc = check_gnupg_prog ();          reg_prefs.use_tmpfiles = 1; /* default */
302      if (rc) {          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
303          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"          get_reg_winpt_prefs (&reg_prefs);
304                               "Do you want to start the GPG preferences to "          if (!reg_prefs.no_hotkeys)
305                               "correct  this problem?"), _("WinPT Error"),              hotkeys_modify ();
306                               MB_INFO|MB_YESNO) == IDYES)          gnupg_load_config ();
307              start_gpgprefs = 1;      }
308          else  
309          {      rc = gnupg_check_homedir ();
310              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      if (rc) {
311              return 0;          log_box (_("WinPT Error"), MB_ERR,
312          }                   _("GPG home directory is not set correctly.\n"
313      }                     "Please check the GPG registry settings:\n%s."),
314                     winpt_strerror (rc));
315      rc = gnupg_access_files ();          s = get_fileopen_dlg (GetActiveWindow (),
316      if (!start_gpgprefs && rc)                                _("Select GPG Public Keyring"),
317      {                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
318          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)                                NULL);
319          {          if (s != NULL) {
320              ec = msg_box (NULL,              size_t n;
321                  _("Could not access and/or find the public and secret keyring.\n"              char * p = strrchr (s, '\\');
322                    "If this is an accident, quit the program and fix it.\n\n"              if (!p)
323                    "Continue if you want that WinPT offers you more choices.\n"),                  BUG (0);
324                    "WinPT", MB_INFO|MB_YESNO);              n = p - s;
325              if (ec == IDYES)              if (n) {
326                  first_start = 1;                  char * file = new char[n+1];
327          }                  if (!file)
328          if (!first_start)                      BUG (NULL);
329          {                  memset (file, 0, n);
330              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                  memcpy (file, s, n);
331              return 0;                  file[n] = '\0';        
332          }                  set_reg_entry_gpg ("HomeDir", file);
333      }                  free_if_alloc (file);
334                    gnupg_check_homedir (); /* change gpgProgram if needed */
335      if (!first_start)              }
336      {          }
337          rc = gpg_check_permissions (1);          else {
338          if (rc && rc == 2)              msg_box (NULL, _("GPG home directory could not be determited."),
339              gpg_read_only = 1;                       _("WinPT Error"), MB_ERR);
340          else if (rc)              goto start;
341              return 0;          }
342      }      }
343    
344      load_gettext ();      rc = check_gnupg_prog ();
345      init_gnupg_table ();      if (rc) {
346            if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
347      nfiles = fm_parse_command_line (cmdline);                               "Do you want to start the GPG preferences to "
348      if (nfiles > 0)                               "correct  this problem?"), _("WinPT Error"),
349          return 0;                               MB_INFO|MB_YESNO) == IDYES)
350                start_gpgprefs = 1;
351      if (cmdline && stristr (cmdline, "--wipe-freespace")) {          else
352          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,          {
353                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
354                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);              return 0;
355          free_gnupg_table ();          }
356          return 0;      }
357      }  
358        rc = gnupg_access_files ();
359      load_keyserver_conf (cmdline? 1 : 0);      if (!start_gpgprefs && rc) {
360      if (cmdline && (stristr (cmdline, "--keymanager")          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
361                  || stristr (cmdline, "--cardmanager"))) {              ec = msg_box (NULL,
362          update_keycache (GetDesktopWindow ());                  _("Could not access and/or find the public and secret keyring.\n"
363          if (stristr (cmdline, "keymanager"))                    "If this is an accident, quit the program and fix it.\n\n"
364              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,                    "Continue if you want that WinPT offers you more choices.\n"),
365                              GetDesktopWindow(), keymanager_dlg_proc, NULL,                    "WinPT", MB_INFO|MB_YESNO);
366                              _("Key Manager"), IDS_WINPT_KEYMISC);              if (ec == IDYES)
367          else {                  first_start = 1;
368              gpgme_card_t crd = smartcard_init ();          }
369              if (crd)          if (!first_start) {
370                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
371                                    GetDesktopWindow(), card_edit_dlg_proc,              return 0;
372                                    (LPARAM)crd, _("Card Manager"),          }
373                                    IDS_WINPT_CARD_EDIT);      }
374              gpgme_card_release (crd);  
375          }      if (!first_start) {
376          keycache_release ();          rc = gpg_check_permissions (1);
377          free_gnupg_table ();          if (rc && rc == 2)
378          return 0;              gpg_read_only = 1;
379      }          else if (rc)
380                return 0;
381      CreateMutex (NULL, TRUE, PGM_NAME);      }
382      if (GetLastError () == ERROR_ALREADY_EXISTS) {  
383          free_gnupg_table ();      load_gettext (winpt_inst_found);
384          return 0;      init_gnupg_table ();
385      }  
386        nfiles = fm_parse_command_line (cmdline);
387      if (cmdline) {      if (nfiles > 0) {
388          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {          free_gnupg_table ();
389              gpgme_set_debug_mode (1);          return 0;
390              winpt_debug_msg ();      }
391              debug = 1;  
392          }      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
393      }          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
394                                GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,
395      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
396      rc = RegisterClass (&wc);          free_gnupg_table ();
397      if (rc == FALSE) {          return 0;
398          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);      }
399          free_gnupg_table ();  
400          return 0;      load_keyserver_conf (cmdline? 1 : 0);
401      }  
402        if (cmdline && (stristr (cmdline, "--keymanager")
403      hwnd = CreateWindow (PGM_NAME,                  || stristr (cmdline, "--cardmanager"))) {
404                           PGM_NAME,          update_keycache (GetDesktopWindow ());
405                           0, 0, 0, 0, 0,          if (stristr (cmdline, "keymanager"))
406                           NULL,              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,
407                           NULL,                              GetDesktopWindow(), keymanager_dlg_proc, NULL,
408                           hinst,                              _("Key Manager"), IDS_WINPT_KEYMISC);  
409                           NULL);          else {
410      if (hwnd == NULL) {              gpg_card_t crd = gpg_card_load ();
411          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);              if (crd)
412          free_gnupg_table ();                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,
413          return 0;                                    GetDesktopWindow(), card_edit_dlg_proc,
414      }                                    (LPARAM)crd, _("Card Manager"),
415      glob_hwnd = hwnd;                                    IDS_WINPT_CARD_EDIT);
416      UpdateWindow (hwnd);              gpg_card_release (crd);
417            }
418      if (!first_start && !start_gpgprefs) {          keycache_release (0);
419          gnupg_backup_options (1);          free_gnupg_table ();
420          gnupg_backup_options (0);          return 0;
421                }
422          rc = check_crypto_engine ();  
423          if (rc) {      /* If we found another WinPT instance, just quit to avoid it
424              DestroyWindow (hwnd);         will be executed twice. */
425              free_gnupg_table ();      if (winpt_inst_found) {
426              return 0;          log_debug ("%s", "WinMain: WinPT is already running.");
427          }          free_gnupg_table ();
428      }          return 0;
429        }
430      if (start_gpgprefs)  
431      {      if (cmdline) {
432          char *ring;          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {
433          size_t size = 0;              gpg_set_debug_mode (1);
434          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,              winpt_debug_msg ();
435                          gpgprefs_dlg_proc, NULL);              debug = 1;
436          ring = get_gnupg_keyring (0, !NO_STRICT);          }
437          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)      }
438              first_start = 1; /* The keyring is empty! */  
439          free_if_alloc (ring);      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
440      }      rc = RegisterClass (&wc);
441        if (rc == FALSE) {
442      if (first_start) {          msg_box (NULL, _("Could not register window class"),
443          struct key_wizard_s c, dummy;                   _("WinPT Error"), MB_ERR);
444  start:          free_gnupg_table ();
445          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, hwnd,          return 0;
446                          first_run_dlg_proc, (LPARAM)&dummy);      }
447          switch (dummy.interactive)  
448          {      hwnd = CreateWindow (PGM_NAME,
449          case SETUP_KEYGEN:                           PGM_NAME,
450              c.interactive = 1;                           0, 0, 0, 0, 0,
451              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,                           NULL,
452                                   hwnd, keygen_wizard_dlg_proc, (LPARAM)&c);                           NULL,
453              if (!rc)                           hinst,
454                  goto start;                           NULL);
455              break;      if (hwnd == NULL) {
456            msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
457          case SETUP_IMPORT:          free_gnupg_table ();
458              rc = gnupg_copy_keyrings ();          return 0;
459              if (rc) {      }
460                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      glob_hwnd = hwnd;
461                  goto start;      UpdateWindow (hwnd);
462              }  
463              break;      if (!first_start && !start_gpgprefs) {
464            gnupg_backup_options ();        
465          case SETUP_EXISTING:          rc = check_crypto_engine ();
466              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          if (rc) {
467                              gpgprefs_dlg_proc, NULL);              DestroyWindow (hwnd);
468              break;              free_gnupg_table ();
469                return 0;
470          case -1:          }
471              DestroyWindow (hwnd);      }
472              free_gnupg_table ();      
473              return 0;      if (start_gpgprefs) {
474          }          char *ring;
475          update_keycache (hwnd);  
476          check_crypto_engine ();          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
477      }                          gpgprefs_dlg_proc, 0);
478      else {          ring = get_gnupg_keyring (0, !NO_STRICT);
479          gpgme_keycache_t c;          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
480          update_keycache (hwnd);              first_start = 1; /* The keyring is empty! */
481          c = keycache_get_ctx (1);          free_if_alloc (ring);
482          if (!c || !gpgme_keycache_count (c)) {      }
483              gnupg_display_error ();  
484              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"      if (first_start) {
485                               "Please check your GPG config (keyrings, pathes...)"),          struct first_start_s fs;
486                               _("WinPT Error"), MB_ERR);          struct genkey_s c;
487              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"          HWND h;
488                                    "Do you want to start the GPG preferences dialog?"),  start:
489                              "WinPT", MB_INFO|MB_YESNO);          h = GetDesktopWindow ();
490              if (ec == IDYES) {          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
491                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                              gpgprefs_dlg_proc, 0);
492                                  gpgprefs_dlg_proc, NULL);          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
493                  update_keycache (hwnd);                          first_run_dlg_proc, (LPARAM)&fs);
494              }          switch (fs.choice) {
495              else {          case SETUP_KEYGEN:
496                  DestroyWindow (hwnd);              c.interactive = 1;
497                  free_gnupg_table ();              c.first_start = 1;
498                  return 0;              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
499              }                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);
500          }              if (!rc)
501          if (check_default_key (c)) {                  goto start;
502              char * p = get_gnupg_default_key ();              break;
503              log_box (_("WinPT Error"), MB_ERR,  
504                       _("Default key from the GPG options file could not be found.\n"          case SETUP_IMPORT:
505                         "Please check your gpg.conf (options) to correct this:\n\n"              rc = gnupg_copy_keyrings ();
506                         "%s: public key not found."), p? p : "[null]");              if (rc) {
507              free_if_alloc (p);                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
508              DestroyWindow (hwnd);                  goto start;
509              free_gnupg_table ();              }
510              return 0;              break;
511          }  
512          if (count_insecure_elgkeys ())          case -1:
513              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              DestroyWindow (hwnd);
514                              elgamal_warn_dlg_proc, NULL);              free_gnupg_table ();
515      }              return 0;
516            }
517      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);          update_keycache (hwnd);
518      keyring_check_last_access (); /* init */          check_crypto_engine ();
519      while (GetMessage (&msg, hwnd, 0, 0)) {      }
520          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {      else {
521              TranslateMessage (&msg);          gpg_keycache_t c;
522              DispatchMessage (&msg);          update_keycache (hwnd);
523          }          c = keycache_get_ctx (1);
524      }          if (!c || !gpg_keycache_get_size (c)) {
525                        gnupg_display_error ();
526      return 0;              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
527  } /* WinMain */                               "Please check your GPG config (keyrings, pathes...)"),
528                                 _("WinPT Error"), MB_ERR);
529                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
530                                      "Do you want to start the GPG preferences dialog?"),
531                                "WinPT", MB_INFO|MB_YESNO);
532                if (ec == IDYES) {
533                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
534                                    gpgprefs_dlg_proc, 0);
535                    update_keycache (hwnd);
536                }
537                else {
538                    DestroyWindow (hwnd);
539                    free_gnupg_table ();
540                    return 0;
541                }
542            }
543            if (check_default_key (c)) {
544                char * p = get_gnupg_default_key ();
545                log_box (_("WinPT Error"), MB_ERR,
546                         _("Default key from the GPG options file could not be found.\n"
547                           "Please check your gpg.conf (options) to correct this:\n\n"
548                           "%s: public key not found."), p? p : "[null]");
549                free_if_alloc (p);
550                DestroyWindow (hwnd);
551                free_gnupg_table ();
552                return 0;
553            }
554            if (count_insecure_elgkeys ())
555                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
556                                elgamal_warn_dlg_proc, 0);
557        }
558    
559        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
560        keyring_check_last_access (); /* init */
561        while (GetMessage (&msg, hwnd, 0, 0)) {
562            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
563                TranslateMessage (&msg);
564                DispatchMessage (&msg);
565            }
566        }
567            
568        return 0;
569    }
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