/[winpt]/trunk/Src/WinPT.cpp
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revision 8 by twoaday, Mon Apr 4 13:29:25 2005 UTC revision 102 by twoaday, Tue Nov 29 08:56:21 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   "1.4.2"   /* Minimal GPG version. */
44  int mobile = 0;  #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */
45  int gpg_read_only = 0;  
46  char gpgver[3];  
47    HINSTANCE glob_hinst;   /* global instance for the dialogs */
48    HWND glob_hwnd;         /* global window handle for the dialogs */
49  static void  HWND activ_hwnd;
50  update_keycache (HWND hwnd)  LOCK mo_file;
51  {  int scard_support = 0;
52      refresh_cache_s rcs = {0};  int debug = 0;
53      rcs.kr_reload = 0;  int mobile = 0;
54      rcs.kr_update = 1;  int gpg_read_only = 0;
55      rcs.tr_update = 1;  char gpgver[3];
56      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  
57                      keycache_dlg_proc, (LPARAM)&rcs);  
58  } /* update_keycache */  /* Load the key cache and rebuild the signature cache. */
59    static void
60    update_keycache (HWND hwnd)
61  static char *  {
62  get_gettext_lang (void)      refresh_cache_s rcs = {0};
63  {          rcs.kr_reload = 0;
64      char * fname;      rcs.kr_update = 1;
65      fname = get_reg_entry_mo ();      rcs.tr_update = 1;
66      if (!fname)      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
67          return NULL;                      keycache_dlg_proc, (LPARAM)&rcs);
68      return fname;  }
69  } /* get_gettext_lang */  
70    
71    /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
72  static void  void
73  load_gettext (void)  gpg_set_debug_mode (int val)
74  {  {      
75      char * nls = NULL;      if (val)
76      char * file = NULL;          putenv ("GPGME_DEBUG=5:gpgme.dbg");
77        else
78      nls = get_gettext_lang ();          putenv ("GPGME_DEBUG=");
79      if (nls) {  }
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))  {  /* Return the name of the gettext language file. */
83              msg_box (NULL, _("Could not initizalize file lock.\n"  static char*
84                               "Native Language Support"),  get_gettext_lang (void)
85                       _("WinPT Error"), MB_ERR);  {    
86          }      char *fname;
87          free_if_alloc (nls);      fname = get_reg_entry_mo ();
88          free_if_alloc (file);      if (!fname)
89      }          return NULL;
90  } /* load_gettext */      return fname;
91    }
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. */  /* Initialize the gettext sub system. */
95  static int  static void
96  check_default_key (gpgme_keycache_t kc)  load_gettext (int prev_inst)
97  {  {
98      gpgme_key_t key;      char *nls = NULL;
99      gpgme_error_t err = GPGME_No_Error;      char *file = NULL;
100      char * defkey;  
101        nls = get_gettext_lang ();
102      defkey = get_gnupg_default_key ();      if (nls) {
103      if (defkey)          set_gettext_file ("winpt", nls);
104          err = gpgme_keycache_find_key (kc, defkey, 0, &key);          file = make_filename (nls, "winpt", "mo");
105      free_if_alloc (defkey);          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
106      return err? -1 : 0;              if (!prev_inst)
107  } /* check_default_key */                  msg_box (NULL, _("Could not initizalize file lock.\n"
108                                     "Native Language Support"),
109                             _("WinPT Error"), MB_ERR);
110  /* Return the WinPT program file name (with full pathname). */          }
111  static const char *          free_if_alloc (nls);
112  get_prog_part (const char * fname, int use_cwd)          free_if_alloc (file);
113  {      }
114      static char program[1024];  }
115      char currdir[256], * cmd = NULL;  
116      int j;  
117            /* check if the default key from the gpg.conf file is available in the
118      memset (currdir, 0, DIM (currdir));     keyring. if not, bail out because encryption won't work properly then. */
119      memset (program, 0, DIM (program));  static int
120            check_default_key (gpg_keycache_t kc)
121      if (use_cwd) {  {
122          GetCurrentDirectory (DIM (currdir)-1, currdir);      gpgme_key_t key;
123          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      gpgme_error_t err = GPG_ERR_NO_ERROR;
124      }      char * defkey;
125      else {  
126          cmd = GetCommandLine ();      defkey = get_gnupg_default_key ();
127          if (cmd == NULL)      if (defkey)
128              return NULL;          err = gpg_keycache_find_key (kc, defkey, 0, &key);
129          strncpy (currdir, cmd, 255);      else
130          j = strlen (currdir);          msg_box (NULL, _("No useable secret key found."), _("WinPT Error"), MB_ERR);
131          while (j--) {      free_if_alloc (defkey);
132              if (currdir[j] == '\\')      return err? -1 : 0;
133                  break;            }
134          }  
135          currdir[j] = 0;  
136          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  /* Return the WinPT program file name (with full pathname). */
137      }  static const char *
138      return program;  get_prog_part (const char * fname, int use_cwd)
139  } /* get_prog_part */  {
140        static char program[512];
141        char currdir[256];
142  static int      char *cmd = NULL;
143  check_crypto_engine (void)      int j;
144  {          
145      int ma=1, mi=2, pa=4; /* GPG 1.2.4 */      memset (currdir, 0, DIM (currdir));
146      int rc;      memset (program, 0, DIM (program));
147            
148      rc = check_gnupg_engine (&ma, &mi, &pa);      if (use_cwd) {
149      if (rc == -1) {          GetCurrentDirectory (DIM (currdir)-1, currdir);
150          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
151          return rc;      }
152      }      else {
153      else if (rc) {          cmd = GetCommandLine ();
154          log_box (_("WinPT Error"), MB_ERR,          if (cmd == NULL)
155                   _("Sorry, you need a newer GPG version.\n"              return NULL;
156                     "GPG version %d.%d.%d requred GPG version 1.2.4"),          strncpy (currdir, cmd, sizeof (currdir)-1);
157                     ma, mi, pa);          j = strlen (currdir);
158          return rc;          while (j--) {
159      }              if (currdir[j] == '\\')
160      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */                  break;
161      if (ma >= 1 && mi >= 4)          }
162          scard_support = 1;          currdir[j] = 0;
163            _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
164      gpgver[0] = ma;      }
165      gpgver[1] = mi;      return program;
166      gpgver[2] = pa;  }
167      return rc;  
168  } /* check_crypto_engine */  
169    /* Check that the underlying crypto engine fullfills the minimal
170       requirements so all commands work properly. */
171  static int  static int
172  load_keyserver_conf (int quiet)  check_crypto_engine (void)
173  {  {
174      const char * t;      int ma=1, mi=4, pa=2; /* GPG 1.4.2 */
175      int rc;      int rc;
176    
177      if (reg_prefs.kserv_conf)      rc = check_gnupg_engine (&ma, &mi, &pa);
178          t = reg_prefs.kserv_conf;      if (rc == -1) {
179      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))          msg_box (NULL, _("Could not read GnuPG version."),
180          t = get_prog_part ("keyserver.conf", 0);                   _("WinPT Error"), MB_ERR);
181      else          return rc;
182          t = "keyserver.conf";      }
183      rc = kserver_load_conf (t);      else if (rc) {
184      if (rc && !quiet)          log_box (_("WinPT Error"), MB_ERR,
185          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);                   _("Sorry, you need a newer GPG version.\n"
186      return rc;                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
187  }                     ma, mi, pa);
188            return rc;
189        }
190  static void      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
191  enable_mobile_mode (void)      if (ma > 1 || pa >= 3)
192  {          scard_support = 1;
193      memset (&reg_prefs, 0, sizeof (reg_prefs));  
194      reg_prefs.always_trust = 0;      gpgver[0] = ma;
195      reg_prefs.auto_backup = 0;      gpgver[1] = mi;
196      reg_prefs.cache_time = 0;      gpgver[2] = pa;
197      reg_prefs.expert = 0;      return rc;
198      reg_prefs.keylist_mode = 1;  }
199      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
200      reg_prefs.no_zip_mmedia = 1;  
201      reg_prefs.use_tmpfiles = 1;  /* Try to load the keyserver config file. If @quiet is 1
202      reg_prefs.word_wrap = 80;     do not show any errors. */
203      reg_prefs.use_viewer = 0; /* XXX */  static int
204  }  load_keyserver_conf (int quiet)
205    {
206        const char * t;
207  int WINAPI      int rc;
208  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)  
209  {      if (reg_prefs.kserv_conf)
210      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};          t = reg_prefs.kserv_conf;
211      HACCEL accel_tab;      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
212      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;          t = get_prog_part ("keyserver.conf", 0);
213      int first_start = 0, start_gpgprefs = 0;      else
214      const char * s;          t = "keyserver.conf";
215      MSG msg;      rc = kserver_load_conf (t);
216      HWND hwnd;      if (rc && !quiet)
217            msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
218      glob_hinst = hinst;      return rc;
219        }
220      gpgme_lib_init ();  
221      #ifdef _DEBUG  
222      gpgme_set_debug_mode (1);  /* Enable the mobility mode. */
223      #endif  static void
224      gpgme_set_pgm_string ("WinPT "PGM_VERSION);  enable_mobile_mode (void)
225    {
226      s = PTD_get_version ();      memset (&reg_prefs, 0, sizeof (reg_prefs));
227      if (strcmp (s, "0.8.0")) {      reg_prefs.always_trust = 0;
228          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      reg_prefs.auto_backup = 0;
229                   _("Please update your PTD.dll to the newest version, "      reg_prefs.cache_time = 0;
230                     "the version (%s) you use is too old."), s);      reg_prefs.expert = 0;
231          return 0;      reg_prefs.keylist_mode = 1;
232      }      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
233        reg_prefs.no_zip_mmedia = 1;
234      if (gpg_md_selftest ()) {      reg_prefs.use_tmpfiles = 1;
235          msg_box (NULL, _("Cryptographic selftest failed."),      reg_prefs.word_wrap = 80;
236                   _("WinPT Error"), MB_ERR);      reg_prefs.use_viewer = 0; /* XXX */
237          return 0;  }
238      }  
239    char* multi_gnupg_path (void);
240      if (cmdline && stristr (cmdline, "--mobile"))  
241          mobile = 1;  const char * fm_get_file_type (const char *fname, int *r_type);
242    
243      set_default_kserver ();  /* Main entry point. */
244    int WINAPI
245      if (!mobile) {  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
246          regist_inst_gnupg (1);  {
247          regist_inst_winpt (1, &created);      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
248      }      HACCEL accel_tab;
249      else {      int rc, ec, created = 0, nfiles = 0;
250          enable_mobile_mode ();      int first_start = 0, start_gpgprefs = 0;
251          /* XXX: ask for GPG path */      int winpt_inst_found = 0;
252          created = 1; /* Disable registry writing */      const char *s;
253      }      MSG msg;
254        HWND hwnd = NULL;
255      if (!created) {  
256          memset (&reg_prefs, 0, sizeof (reg_prefs));      glob_hinst = hinst;
257          reg_prefs.use_tmpfiles = 1; /* default */  
258          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      if (cmdline && stristr (cmdline, "--stop")) {
259          get_reg_winpt_prefs (&reg_prefs);          hwnd = FindWindow ("WinPT", "WinPT");
260          if (!reg_prefs.no_hotkeys)          if (hwnd != NULL)
261              hotkeys_modify ();              PostMessage (hwnd, WM_DESTROY, 0, 0);
262      }          return 0;
263        }
264      rc = gnupg_check_homedir ();      
265      if (rc) {  #ifdef _DEBUG
266          log_box (_("WinPT Error"), MB_ERR,      gpg_set_debug_mode (1);
267                   _("GPG home directory is not set correctly.\n"      debug = 1;
268                     "Please check the GPG registry settings:\n%s."),  #endif
269                   winpt_strerror (rc));  
270          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,      if (gpg_md_selftest ()) {
271                                             _("Select GPG Public Keyring"),          msg_box (NULL, _("Cryptographic selftest failed."),
272                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),                   _("WinPT Error"), MB_ERR);
273                                             NULL);          return 0;
274          if (s && !file_exist_check (s))      }
275          {  
276              size_t n;      s = gpgme_check_version (MIN_GPGME_VER);
277              char * p = strrchr (s, '\\');      if (!s || !*s) {
278              if (!p)          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
279                  BUG (0);                   _("WinPT Error"), MB_ERR);
280              n = p - s;          return 0;
281              if (n)      }
282              {  
283                  char * file = new char[n+1];      CreateMutex (NULL, TRUE, PGM_NAME);
284                  if (!file)      if (GetLastError () == ERROR_ALREADY_EXISTS)
285                      BUG (NULL);          winpt_inst_found = 1;
286                  memset (file, 0, n);  
287                  memcpy (file, s, n);      if (cmdline && stristr (cmdline, "--mobile")) {
288                  file[n] = '\0';                  msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
289                  set_reg_entry_gpg ("HomeDir", file);                   "WinPT", MB_INFO);
290                  free_if_alloc (file);          mobile = 1;
291                  gnupg_check_homedir (); /* change gpgProgram if needed */      }
292              }  
293          }      set_default_kserver ();
294          else {  
295              msg_box (NULL, _("GPG home directory could not be determited."),      if (!mobile) {
296                       _("WinPT Error"), MB_ERR);          regist_inst_gnupg (1);
297              goto start;          regist_inst_winpt (1, &created);
298          }      }
299      }      else {
300            enable_mobile_mode ();
301      rc = check_gnupg_prog ();          /* XXX: ask for GPG path */
302      if (rc) {          created = 1; /* Disable registry writing */
303          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"      }
304                               "Do you want to start the GPG preferences to "  
305                               "correct  this problem?"), _("WinPT Error"),      if (!created) {
306                               MB_INFO|MB_YESNO) == IDYES)          memset (&reg_prefs, 0, sizeof (reg_prefs));
307              start_gpgprefs = 1;          reg_prefs.use_tmpfiles = 1; /* default */
308          else          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
309          {          get_reg_winpt_prefs (&reg_prefs);
310              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          if (!reg_prefs.no_hotkeys)
311              return 0;              hotkeys_modify ();
312          }          gnupg_load_config ();
313      }      }
314    
315      rc = gnupg_access_files ();      rc = gnupg_check_homedir ();
316      if (!start_gpgprefs && rc)      if (rc) {
317      {          log_box (_("WinPT Error"), MB_ERR,
318          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)                   _("GPG home directory is not set correctly.\n"
319          {                     "Please check the GPG registry settings:\n%s."),
320              ec = msg_box (NULL,                   winpt_strerror (rc));
321                  _("Could not access and/or find the public and secret keyring.\n"          s = get_fileopen_dlg (GetActiveWindow (),
322                    "If this is an accident, quit the program and fix it.\n\n"                                _("Select GPG Public Keyring"),
323                    "Continue if you want that WinPT offers you more choices.\n"),                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
324                    "WinPT", MB_INFO|MB_YESNO);                                NULL);
325              if (ec == IDYES)          if (s != NULL) {
326                  first_start = 1;              size_t n;
327          }              char * p = strrchr (s, '\\');
328          if (!first_start)              if (!p)
329          {                  BUG (0);
330              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);              n = p - s;
331              return 0;              if (n) {
332          }                  char * file = new char[n+1];
333      }                  if (!file)
334                        BUG (NULL);
335      if (!first_start)                  memset (file, 0, n);
336      {                  memcpy (file, s, n);
337          rc = gpg_check_permissions (1);                  file[n] = '\0';        
338          if (rc && rc == 2)                  set_reg_entry_gpg ("HomeDir", file);
339              gpg_read_only = 1;                  free_if_alloc (file);
340          else if (rc)                  gnupg_check_homedir (); /* change gpgProgram if needed */
341              return 0;              }
342      }          }
343            else {
344      load_gettext ();              msg_box (NULL, _("GPG home directory could not be determited."),
345      init_gnupg_table ();                       _("WinPT Error"), MB_ERR);
346                goto start;
347      nfiles = fm_parse_command_line (cmdline);          }
348      if (nfiles > 0)      }
349          return 0;  
350        rc = check_gnupg_prog ();
351      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      if (rc) {
352          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
353                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,                               "Do you want to start the GPG preferences to "
354                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);                               "correct  this problem?"), _("WinPT Error"),
355          free_gnupg_table ();                               MB_INFO|MB_YESNO) == IDYES)
356          return 0;              start_gpgprefs = 1;
357      }          else
358            {
359      load_keyserver_conf (cmdline? 1 : 0);              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
360      if (cmdline && (stristr (cmdline, "--keymanager")              return 0;
361                  || stristr (cmdline, "--cardmanager"))) {          }
362          update_keycache (GetDesktopWindow ());      }
363          if (stristr (cmdline, "keymanager"))  
364              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      rc = gnupg_access_files ();
365                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      if (!start_gpgprefs && rc) {
366                              _("Key Manager"), IDS_WINPT_KEYMISC);          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
367          else {              ec = msg_box (NULL,
368              gpgme_card_t crd = smartcard_init ();                  _("Could not access and/or find the public and secret keyring.\n"
369              if (crd)                    "If this is an accident, quit the program and fix it.\n\n"
370                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,                    "Continue if you want that WinPT offers you more choices.\n"),
371                                    GetDesktopWindow(), card_edit_dlg_proc,                    "WinPT", MB_INFO|MB_YESNO);
372                                    (LPARAM)crd, _("Card Manager"),              if (ec == IDYES)
373                                    IDS_WINPT_CARD_EDIT);                  first_start = 1;
374              gpgme_card_release (crd);          }
375          }          if (!first_start) {
376          keycache_release ();              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
377          free_gnupg_table ();              return 0;
378          return 0;          }
379      }      }
380    
381      CreateMutex (NULL, TRUE, PGM_NAME);      if (!first_start) {
382      if (GetLastError () == ERROR_ALREADY_EXISTS) {          rc = gpg_check_permissions (1);
383          free_gnupg_table ();          if (rc && rc == 2)
384          return 0;              gpg_read_only = 1;
385      }          else if (rc)
386                return 0;
387      if (cmdline) {      }
388          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {  
389              gpgme_set_debug_mode (1);      load_gettext (winpt_inst_found);
390              winpt_debug_msg ();      init_gnupg_table ();
391              debug = 1;  
392          }      nfiles = fm_parse_command_line (cmdline);
393      }      if (nfiles > 0) {
394            free_gnupg_table ();
395      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));          return 0;
396      rc = RegisterClass (&wc);      }
397      if (rc == FALSE) {  
398          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
399          free_gnupg_table ();          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
400          return 0;                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
401      }                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
402            free_gnupg_table ();
403      hwnd = CreateWindow (PGM_NAME,          return 0;
404                           PGM_NAME,      }
405                           0, 0, 0, 0, 0,  
406                           NULL,      load_keyserver_conf (cmdline? 1 : 0);
407                           NULL,  
408                           hinst,      if (cmdline && (stristr (cmdline, "--keymanager")
409                           NULL);                  || stristr (cmdline, "--cardmanager"))) {
410      if (hwnd == NULL) {          /* If an instance of WinPT is running, just send the command
411          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);             to open the key manager. Otherwise start a new instance.
412          free_gnupg_table ();           */
413          return 0;          HWND tray = FindWindow ("WinPT", "WinPT");
414      }          if (tray != NULL) {
415      glob_hwnd = hwnd;              PostMessage (tray, WM_COMMAND, ID_WINPT_KEY, 0);
416      UpdateWindow (hwnd);              free_gnupg_table ();
417                return 0;
418      if (!first_start && !start_gpgprefs) {          }
419          gnupg_backup_options (1);          update_keycache (GetDesktopWindow ());
420          gnupg_backup_options (0);          if (stristr (cmdline, "keymanager"))
421                        dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,
422          rc = check_crypto_engine ();                              GetDesktopWindow(), keymanager_dlg_proc, 0,
423          if (rc) {                              _("Key Manager"), IDS_WINPT_KEYMISC);  
424              DestroyWindow (hwnd);          else {
425              free_gnupg_table ();              gpg_card_t crd = gpg_card_load ();
426              return 0;              if (crd)
427          }                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,
428      }                                    GetDesktopWindow(), card_edit_dlg_proc,
429                                      (LPARAM)crd, _("Card Manager"),
430      if (start_gpgprefs)                                    IDS_WINPT_CARD_EDIT);
431      {              gpg_card_release (crd);
432          char *ring;          }
433          size_t size = 0;          /*
434          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          keycache_release (0);
435                          gpgprefs_dlg_proc, NULL);          free_gnupg_table ();
436          ring = get_gnupg_keyring (0, !NO_STRICT);          return 0;
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);  
440      }      /* If we found another WinPT instance, just quit to avoid it
441           will be executed twice. */
442      if (first_start) {      if (winpt_inst_found) {
443          struct key_wizard_s c, dummy;          log_debug ("%s", "WinMain: WinPT is already running.");
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          {      if (cmdline) {
449          case SETUP_KEYGEN:          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {
450              c.interactive = 1;              gpg_set_debug_mode (1);
451              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,              winpt_debug_msg ();
452                                   hwnd, keygen_wizard_dlg_proc, (LPARAM)&c);              debug = 1;
453              if (!rc)          }
454                  goto start;      }
455              break;  
456        wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
457          case SETUP_IMPORT:      rc = RegisterClass (&wc);
458              rc = gnupg_copy_keyrings ();      if (rc == FALSE) {
459              if (rc) {          msg_box (NULL, _("Could not register window class"),
460                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
461                  goto start;          free_gnupg_table ();
462              }          return 0;
463              break;      }
464    
465          case SETUP_EXISTING:      hwnd = CreateWindow (PGM_NAME,
466              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                           PGM_NAME,
467                              gpgprefs_dlg_proc, NULL);                           0, 0, 0, 0, 0,
468              break;                           NULL,
469                             NULL,
470          case -1:                           hinst,
471              DestroyWindow (hwnd);                           NULL);
472              free_gnupg_table ();      if (hwnd == NULL) {
473              return 0;          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
474          }          free_gnupg_table ();
475          update_keycache (hwnd);          return 0;
476          check_crypto_engine ();      }
477      }      glob_hwnd = hwnd;
478      else {      UpdateWindow (hwnd);
479          gpgme_keycache_t c;  
480          update_keycache (hwnd);      if (!first_start && !start_gpgprefs) {
481          c = keycache_get_ctx (1);          gnupg_backup_options ();        
482          if (!c || !gpgme_keycache_count (c)) {          rc = check_crypto_engine ();
483              gnupg_display_error ();          if (rc) {
484              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"              DestroyWindow (hwnd);
485                               "Please check your GPG config (keyrings, pathes...)"),              free_gnupg_table ();
486                               _("WinPT Error"), MB_ERR);              return 0;
487              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"          }
488                                    "Do you want to start the GPG preferences dialog?"),      }
489                              "WinPT", MB_INFO|MB_YESNO);      
490              if (ec == IDYES) {      if (start_gpgprefs) {
491                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          char *ring;
492                                  gpgprefs_dlg_proc, NULL);  
493                  update_keycache (hwnd);          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
494              }                          gpgprefs_dlg_proc, 0);
495              else {          ring = get_gnupg_keyring (0, !NO_STRICT);
496                  DestroyWindow (hwnd);          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
497                  free_gnupg_table ();              first_start = 1; /* The keyring is empty! */
498                  return 0;          free_if_alloc (ring);
499              }      }
500          }  
501          if (check_default_key (c)) {      if (first_start) {
502              char * p = get_gnupg_default_key ();          struct first_start_s fs;
503              log_box (_("WinPT Error"), MB_ERR,          struct genkey_s c;
504                       _("Default key from the GPG options file could not be found.\n"          HWND h;
505                         "Please check your gpg.conf (options) to correct this:\n\n"  start:
506                         "%s: public key not found."), p? p : "[null]");          h = GetDesktopWindow ();
507              free_if_alloc (p);          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
508              DestroyWindow (hwnd);                              gpgprefs_dlg_proc, 0);
509              free_gnupg_table ();          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
510              return 0;                          first_run_dlg_proc, (LPARAM)&fs);
511          }          switch (fs.choice) {
512          if (count_insecure_elgkeys ())          case SETUP_KEYGEN:
513              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              c.interactive = 1;
514                              elgamal_warn_dlg_proc, NULL);              c.first_start = 1;
515      }              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
516                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
517      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);              if (!rc)
518      keyring_check_last_access (); /* init */                  goto start;
519      while (GetMessage (&msg, hwnd, 0, 0)) {              break;
520          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {  
521              TranslateMessage (&msg);          case SETUP_IMPORT:
522              DispatchMessage (&msg);              rc = gnupg_copy_keyrings ();
523          }              if (rc) {
524      }                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
525                            goto start;
526      return 0;              }
527  } /* WinMain */              break;
528    
529            case -1:
530                DestroyWindow (hwnd);
531                free_gnupg_table ();
532                return 0;
533            }
534            update_keycache (hwnd);
535            check_crypto_engine ();
536        }
537        else {
538            gpg_keycache_t c;
539            update_keycache (hwnd);
540            c = keycache_get_ctx (1);
541            if (!c || !gpg_keycache_get_size (c)) {
542                gnupg_display_error ();
543                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
544                                 "Please check your GPG config (keyrings, pathes...)"),
545                                 _("WinPT Error"), MB_ERR);
546                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
547                                      "Do you want to start the GPG preferences dialog?"),
548                                "WinPT", MB_INFO|MB_YESNO);
549                if (ec == IDYES) {
550                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
551                                    gpgprefs_dlg_proc, 0);
552                    update_keycache (hwnd);
553                }
554                else {
555                    DestroyWindow (hwnd);
556                    free_gnupg_table ();
557                    return 0;
558                }
559            }
560            if (check_default_key (c)) {
561                char * p = get_gnupg_default_key ();
562                log_box (_("WinPT Error"), MB_ERR,
563                         _("Default key from the GPG options file could not be found.\n"
564                           "Please check your gpg.conf (options) to correct this:\n\n"
565                           "%s: public key not found."), p? p : "[null]");
566                free_if_alloc (p);
567                DestroyWindow (hwnd);
568                free_gnupg_table ();
569                return 0;
570            }
571            if (count_insecure_elgkeys ())
572                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
573                                elgamal_warn_dlg_proc, 0);
574        }
575    
576        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
577        keyring_check_last_access (); /* init */
578        while (GetMessage (&msg, hwnd, 0, 0)) {
579            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
580                TranslateMessage (&msg);
581                DispatchMessage (&msg);
582            }
583        }
584            
585        return 0;
586    }
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