/[winpt]/trunk/Src/WinPT.cpp
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revision 14 by twoaday, Wed May 4 07:59:42 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=2, pa=4; /* GPG 1.2.4 */      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 requred GPG version 1.2.4"),          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          mobile = 1;      MSG msg;
248        HWND hwnd = NULL;
249      set_default_kserver ();      WORD ver[3], ptdver[4];
250        int rc, ec, created = 0;
251      if (!mobile) {      int first_start = 0, start_gpgprefs = 0;
252          regist_inst_gnupg (1);      int winpt_inst_found = 0;
253          regist_inst_winpt (1, &created);      int start_manager = 0;
254      }      const char *s;
255      else {  
256          enable_mobile_mode ();      glob_hinst = hinst;
257          /* XXX: ask for GPG path */      if (cmdline && stristr (cmdline, "--stop")) {
258          created = 1; /* Disable registry writing */          hwnd = FindWindow ("WinPT", "WinPT");
259      }          if (hwnd != NULL)
260                PostMessage (hwnd, WM_DESTROY, 0, 0);
261      if (!created) {          return 0;
262          memset (&reg_prefs, 0, sizeof (reg_prefs));      }
263          reg_prefs.use_tmpfiles = 1; /* default */  
264          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      /*
265          get_reg_winpt_prefs (&reg_prefs);      OSVERSIONINFO osinf;
266          if (!reg_prefs.no_hotkeys)      memset (&osinf, 0, sizeof (osinf));
267              hotkeys_modify ();      if (GetVersionEx (&osinf) &&
268      }          osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
269            osinf.dwMinorVersion == 0) {
270      rc = gnupg_check_homedir ();          msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
271      if (rc) {                   "WinPT Warning", MB_INFO);
272          log_box (_("WinPT Error"), MB_ERR,      }
273                   _("GPG home directory is not set correctly.\n"      */
274                     "Please check the GPG registry settings:\n%s."),  
275                   winpt_strerror (rc));      #ifdef _DEBUG
276          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,      gpg_set_debug_mode (1);
277                                             _("Select GPG Public Keyring"),      debug = 1;
278                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),      #endif
279                                             NULL);  
280          if (s && !file_exist_check (s))      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
281          {      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
282              size_t n;                                   &ptdver[2], &ptdver[3]);
283              char * p = strrchr (s, '\\');      /* XXX
284              if (!p)      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
285                  BUG (0);          log_box (_("WinPT Error"), MB_ERR,
286              n = p - s;                   _("The PTD.dll file has a different version than WinPT.exe\n"
287              if (n)                     "Please update the PTD.dll to version %d.%d.%d"),
288              {                     ver[0], ver[1], ver[2]);
289                  char * file = new char[n+1];          return 0;
290                  if (!file)      }
291                      BUG (NULL);      */
292                  memset (file, 0, n);      if (gpg_md_selftest ()) {
293                  memcpy (file, s, n);          msg_box (NULL, _("Cryptographic selftest failed."),
294                  file[n] = '\0';                           _("WinPT Error"), MB_ERR);
295                  set_reg_entry_gpg ("HomeDir", file);          return 0;
296                  free_if_alloc (file);      }
297                  gnupg_check_homedir (); /* change gpgProgram if needed */  
298              }      s = gpgme_check_version (MIN_GPGME_VER);
299          }      if (!s || !*s) {
300          else {          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
301              msg_box (NULL, _("GPG home directory could not be determited."),                   _("WinPT Error"), MB_ERR);
302                       _("WinPT Error"), MB_ERR);          return 0;
303              goto start;      }
304          }  
305      }      CreateMutex (NULL, TRUE, PGM_NAME);
306        if (GetLastError () == ERROR_ALREADY_EXISTS)
307      rc = check_gnupg_prog ();          winpt_inst_found = 1;
308      if (rc) {  
309          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"      if (cmdline && stristr (cmdline, "--mobile")) {
310                               "Do you want to start the GPG preferences to "          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
311                               "correct  this problem?"), _("WinPT Error"),                   "WinPT", MB_INFO);
312                               MB_INFO|MB_YESNO) == IDYES)          mobile = 1;
313              start_gpgprefs = 1;      }
314          else  
315          {      set_default_kserver ();
316              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      load_gettext (winpt_inst_found);
317              return 0;  
318          }      if (!mobile) {
319      }          regist_inst_gnupg (1);
320            regist_inst_winpt (1, &created);
321      rc = gnupg_access_files ();      }
322      if (!start_gpgprefs && rc)      else {
323      {          enable_mobile_mode ();
324          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)          /* XXX: ask for GPG path */
325          {          created = 1; /* Disable registry writing */
326              ec = msg_box (NULL,      }
327                  _("Could not access and/or find the public and secret keyring.\n"  
328                    "If this is an accident, quit the program and fix it.\n\n"      if (!created) {
329                    "Continue if you want that WinPT offers you more choices.\n"),          memset (&reg_prefs, 0, sizeof (reg_prefs));
330                    "WinPT", MB_INFO|MB_YESNO);          reg_prefs.use_tmpfiles = 1; /* default */
331              if (ec == IDYES)          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
332                  first_start = 1;          get_reg_winpt_prefs (&reg_prefs);
333          }          if (!reg_prefs.no_hotkeys)
334          if (!first_start)              hotkeys_modify ();
335          {          gnupg_load_config ();
336              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      }
337              return 0;  
338          }      rc = gnupg_check_homedir ();
339      }      if (rc) {
340            log_box (_("WinPT Error"), MB_ERR,
341      if (!first_start)                   _("GPG home directory is not set correctly.\n"
342      {                     "Please check the GPG registry settings:\n%s."),
343          rc = gpg_check_permissions (1);                   winpt_strerror (rc));
344          if (rc && rc == 2)          s = get_fileopen_dlg (GetActiveWindow (),
345              gpg_read_only = 1;                                _("Select GPG Public Keyring"),
346          else if (rc)                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
347              return 0;                                NULL);
348      }          if (s != NULL) {
349                size_t n;
350      load_gettext ();              char *p = strrchr (s, '\\');
351      init_gnupg_table ();              if (!p)
352                    BUG (0);
353      nfiles = fm_parse_command_line (cmdline);              n = p - s;
354      if (nfiles > 0)              if (n) {
355          return 0;                  char *file = new char[n+1];
356                    if (!file)
357      if (cmdline && stristr (cmdline, "--wipe-freespace")) {                      BUG (NULL);
358          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,                  memset (file, 0, n);
359                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,                  memcpy (file, s, n);
360                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);                  file[n] = '\0';        
361          free_gnupg_table ();                  set_reg_entry_gpg ("HomeDir", file);
362          return 0;                  free_if_alloc (file);
363      }                  gnupg_check_homedir (); /* change gpgProgram if needed */
364                }
365      load_keyserver_conf (cmdline? 1 : 0);          }
366      if (start_keymanager) {          else {
367          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,              msg_box (NULL, _("GPG home directory could not be determited."),
368                              GetDesktopWindow(), keymanager_dlg_proc, NULL,                       _("WinPT Error"), MB_ERR);
369                              _("Key Manager"), IDS_WINPT_KEYMISC);              goto start;
370          keycache_release ();          }
371          free_gnupg_table ();      }
372          return 0;  
373      }      rc = check_gnupg_prog ();
374        if (rc) {
375      if (cmdline && (stristr (cmdline, "--keymanager")          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
376                  || stristr (cmdline, "--cardmanager"))) {                               "Do you want to start the GPG preferences to "
377          update_keycache (GetDesktopWindow ());                               "correct  this problem?"), _("WinPT Error"),
378          if (stristr (cmdline, "keymanager"))                               MB_INFO|MB_YESNO) == IDYES)
379              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,              start_gpgprefs = 1;
380                              GetDesktopWindow(), keymanager_dlg_proc, NULL,          else {
381                              _("Key Manager"), IDS_WINPT_KEYMISC);                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
382          else {              return 0;
383              gpgme_card_t crd = smartcard_init ();          }
384              if (crd)      }
385                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,  
386                                    GetDesktopWindow(), card_edit_dlg_proc,      rc = gnupg_access_files ();
387                                    (LPARAM)crd, _("Card Manager"),      if (!start_gpgprefs && rc) {
388                                    IDS_WINPT_CARD_EDIT);          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
389              gpgme_card_release (crd);              ec = msg_box (NULL,
390          }                  _("Could not access and/or find the public and secret keyring.\n"
391          keycache_release ();                    "If this is an accident, quit the program and fix it.\n\n"
392          free_gnupg_table ();                    "Continue if you want that WinPT offers you more choices.\n"),
393          return 0;                    "WinPT", MB_INFO|MB_YESNO);
394      }              if (ec == IDYES)
395                    first_start = 1;
396      CreateMutex (NULL, TRUE, PGM_NAME);          }
397      if (GetLastError () == ERROR_ALREADY_EXISTS) {          if (!first_start) {
398          free_gnupg_table ();              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
399          return 0;              return 0;
400      }          }
401        }
402      if (cmdline) {  
403          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {      if (!first_start) {
404              gpgme_set_debug_mode (1);          rc = gpg_check_permissions (1);
405              winpt_debug_msg ();          if (rc && rc == 2)
406              debug = 1;              gpg_read_only = 1;
407          }          else if (rc)
408      }              return 0;
409        }
410      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));      
411      rc = RegisterClass (&wc);      init_gnupg_table ();
412      if (rc == FALSE) {  
413          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);      if (fm_parse_command_line (cmdline) > 0) {
414          free_gnupg_table ();          free_gnupg_table ();
415          return 0;          return 0;
416      }      }
417    
418      hwnd = CreateWindow (PGM_NAME,      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
419                           PGM_NAME,          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
420                           0, 0, 0, 0, 0,                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
421                           NULL,                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
422                           NULL,          free_gnupg_table ();
423                           hinst,          return 0;
424                           NULL);      }
425      if (hwnd == NULL) {  
426          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);      load_keyserver_conf (cmdline? 1 : 0);
427          free_gnupg_table ();  
428          return 0;      if (cmdline && (stristr (cmdline, "--keymanager")
429      }                  || stristr (cmdline, "--cardmanager"))) {
430      glob_hwnd = hwnd;          /* If an instance of WinPT is running, just send the command
431      UpdateWindow (hwnd);             to open the key manager. Otherwise start a new instance.
432             */
433      if (!first_start && !start_gpgprefs) {          HWND tray = FindWindow ("WinPT", "WinPT");
434          gnupg_backup_options (1);          if (stristr (cmdline, "keymanager"))
435          gnupg_backup_options (0);              start_manager = ID_WINPT_KEY;
436                    else
437          rc = check_crypto_engine ();              start_manager = ID_WINPT_CARD;
438          if (rc) {          if (tray != NULL) {
439              DestroyWindow (hwnd);              PostMessage (tray, WM_COMMAND, start_manager, 0);
440              free_gnupg_table ();              free_gnupg_table ();
441              return 0;              return 0;
442          }          }
443      }      }
444    
445      if (start_gpgprefs)      /* If we found another WinPT instance, just quit to avoid it
446      {         will be executed twice. */
447          char *ring;      if (winpt_inst_found) {
448          size_t size = 0;          log_debug ("%s", "WinMain: WinPT is already running.");
449          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          free_gnupg_table ();
450                          gpgprefs_dlg_proc, NULL);          return 0;
451          ring = get_gnupg_keyring (0, !NO_STRICT);      }
452          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)  
453              first_start = 1; /* The keyring is empty! */      if (cmdline) {
454          free_if_alloc (ring);          if (stristr (cmdline, "--enable-debug") ||
455      }              stristr (cmdline, "--debug")) {
456                gpg_set_debug_mode (1);
457      if (first_start) {              winpt_debug_msg ();
458          struct key_wizard_s c, dummy;              debug = 1;
459  start:          }
460          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, hwnd,      }
461                          first_run_dlg_proc, (LPARAM)&dummy);  
462          switch (dummy.interactive)      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
463          {      rc = RegisterClass (&wc);
464          case SETUP_KEYGEN:      if (rc == FALSE) {
465              c.interactive = 1;          msg_box (NULL, _("Could not register window class"),
466              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,                   _("WinPT Error"), MB_ERR);
467                                   hwnd, keygen_wizard_dlg_proc, (LPARAM)&c);          free_gnupg_table ();
468              if (!rc)          return 0;
469                  goto start;      }
470              break;  
471        hwnd = CreateWindow (PGM_NAME,
472          case SETUP_IMPORT:                           PGM_NAME,
473              rc = gnupg_copy_keyrings ();                           0, 0, 0, 0, 0,
474              if (rc) {                           NULL,
475                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                           NULL,
476                  goto start;                           hinst,
477              }                           NULL);
478              break;      if (hwnd == NULL) {
479            msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
480          case SETUP_EXISTING:          free_gnupg_table ();
481              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          return 0;
482                              gpgprefs_dlg_proc, NULL);      }
483              break;      glob_hwnd = hwnd;
484        UpdateWindow (hwnd);
485          case -1:  
486              DestroyWindow (hwnd);      if (!first_start && !start_gpgprefs) {
487              free_gnupg_table ();          gnupg_backup_options ();        
488              return 0;          rc = check_crypto_engine ();
489          }          if (rc) {
490          update_keycache (hwnd);              DestroyWindow (hwnd);
491          check_crypto_engine ();              free_gnupg_table ();
492      }              return 0;
493      else {          }
494          gpgme_keycache_t c;      }
495          update_keycache (hwnd);      
496          c = keycache_get_ctx (1);      if (start_gpgprefs) {
497          if (!c || !gpgme_keycache_count (c)) {          char *ring;
498              gnupg_display_error ();          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
499              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"                          gpgprefs_dlg_proc, 0);
500                               "Please check your GPG config (keyrings, pathes...)"),          ring = get_gnupg_keyring (0, !NO_STRICT);
501                               _("WinPT Error"), MB_ERR);          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
502              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"              first_start = 1; /* The keyring is empty! */
503                                    "Do you want to start the GPG preferences dialog?"),          free_if_alloc (ring);
504                              "WinPT", MB_INFO|MB_YESNO);      }
505              if (ec == IDYES) {  
506                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      if (first_start) {
507                                  gpgprefs_dlg_proc, NULL);          struct first_start_s fs;
508                  update_keycache (hwnd);          struct genkey_s c;
509              }          HWND h;
510              else {  start:
511                  DestroyWindow (hwnd);          h = GetDesktopWindow ();
512                  free_gnupg_table ();          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
513                  return 0;                              gpgprefs_dlg_proc, 0);
514              }          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
515          }                          first_run_dlg_proc, (LPARAM)&fs);
516          if (check_default_key (c)) {          switch (fs.choice) {
517              char * p = get_gnupg_default_key ();          case SETUP_KEYGEN:
518              log_box (_("WinPT Error"), MB_ERR,              c.interactive = 1;
519                       _("Default key from the GPG options file could not be found.\n"              c.first_start = 1;
520                         "Please check your gpg.conf (options) to correct this:\n\n"              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
521                         "%s: public key not found."), p? p : "[null]");                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);
522              free_if_alloc (p);              if (!rc)
523              DestroyWindow (hwnd);                  goto start;
524              free_gnupg_table ();              break;
525              return 0;  
526          }          case SETUP_IMPORT:
527          if (count_insecure_elgkeys ())              rc = gnupg_copy_keyrings ();
528              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              if (rc) {
529                              elgamal_warn_dlg_proc, NULL);                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
530      }                  goto start;
531                }
532      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);              break;
533      keyring_check_last_access (); /* init */  
534      while (GetMessage (&msg, hwnd, 0, 0)) {          case -1:
535          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {              DestroyWindow (hwnd);
536              TranslateMessage (&msg);              free_gnupg_table ();
537              DispatchMessage (&msg);              return 0;
538          }          }
539      }          update_keycache (hwnd);
540                    check_crypto_engine ();
541      return 0;      }
542  } /* WinMain */      else {
543            gpg_keycache_t c;
544            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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