/[winpt]/trunk/Src/WinPT.cpp
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revision 5 by twoaday, Mon Mar 7 13:21:36 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 gpg_read_only = 0;  #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */
45  char gpgver[3];  #define MIN_PTD_VER   "0.8.1"   /* Minimal PTD version. */
46    
47    
48  static void  HINSTANCE glob_hinst;   /* global instance for the dialogs */
49  update_keycache (HWND hwnd)  HWND glob_hwnd;         /* global window handle for the dialogs */
50  {  HWND activ_hwnd;
51      refresh_cache_s rcs = {0};  LOCK mo_file;
52      rcs.kr_reload = 0;  int scard_support = 0;
53      rcs.kr_update = 1;  int debug = 0;
54      rcs.tr_update = 1;  int mobile = 0;
55      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  int gpg_read_only = 0;
56                      keycache_dlg_proc, (LPARAM)&rcs);  char gpgver[3];
57  } /* update_keycache */  
58    
59    /* Load the key cache and rebuild the signature cache. */
60  static char *  static void
61  get_gettext_lang (void)  update_keycache (HWND hwnd)
62  {      {
63      char * fname;      refresh_cache_s rcs = {0};
64      fname = get_reg_entry_mo ();      rcs.kr_reload = 0;
65      if (!fname)      rcs.kr_update = 1;
66          return NULL;      rcs.tr_update = 1;
67      return fname;      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
68  } /* get_gettext_lang */                      keycache_dlg_proc, (LPARAM)&rcs);
69    }
70    
71  static void  
72  load_gettext (void)  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
73  {  void
74      char * nls = NULL;  gpg_set_debug_mode (int val)
75      char * file = NULL;  {      
76        if (val)
77      nls = get_gettext_lang ();          putenv ("GPGME_DEBUG=5:gpgme.dbg");
78      if (nls) {      else
79          set_gettext_file ("winpt", nls);          putenv ("GPGME_DEBUG=");
80          file = make_filename (nls, "winpt", "mo");  }
81          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  
82              msg_box (NULL, _("Could not initizalize file lock.\n"  
83                               "Native Language Support"),  /* Return the name of the gettext language file. */
84                       _("WinPT Error"), MB_ERR);  static char*
85          }  get_gettext_lang (void)
86          free_if_alloc (nls);  {    
87          free_if_alloc (file);      char *fname;
88      }      fname = get_reg_entry_mo ();
89  } /* load_gettext */      if (!fname)
90            return NULL;
91        return fname;
92  /* check if the default key from the gpg.conf file is available in the  }
93     keyring. if not, bail out because encryption won't work properly then. */  
94  static int  
95  check_default_key (gpgme_keycache_t kc)  /* Initialize the gettext sub system. */
96  {  static void
97      gpgme_key_t key;  load_gettext (int prev_inst)
98      gpgme_error_t err = GPGME_No_Error;  {
99      char * defkey;      char *nls = NULL;
100        char *file = NULL;
101      defkey = get_gnupg_default_key ();  
102      if (defkey)      nls = get_gettext_lang ();
103          err = gpgme_keycache_find_key (kc, defkey, 0, &key);      if (nls) {
104      free_if_alloc (defkey);          set_gettext_file ("winpt", nls);
105      return err? -1 : 0;          file = make_filename (nls, "winpt", "mo");
106  } /* check_default_key */          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
107                if (!prev_inst)
108                    msg_box (NULL, _("Could not initizalize file lock.\n"
109  /* Return the WinPT program file name (with full pathname). */                                   "Native Language Support"),
110  static const char *                           _("WinPT Error"), MB_ERR);
111  get_prog_part (const char * fname, int use_cwd)          }
112  {          free_if_alloc (nls);
113      static char program[1024];          free_if_alloc (file);
114      char currdir[256], * cmd = NULL;      }
115      int j;  }
116            
117      memset (currdir, 0, DIM (currdir));  
118      memset (program, 0, DIM (program));  /* check if the default key from the gpg.conf file is available in the
119               keyring. if not, bail out because encryption won't work properly then. */
120      if (use_cwd) {  static int
121          GetCurrentDirectory (DIM (currdir)-1, currdir);  check_default_key (gpg_keycache_t kc)
122          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);  {
123      }      gpgme_key_t key;
124      else {      gpgme_error_t err = GPG_ERR_NO_ERROR;
125          cmd = GetCommandLine ();      char * defkey;
126          if (cmd == NULL)  
127              return NULL;      defkey = get_gnupg_default_key ();
128          strncpy (currdir, cmd, 255);      if (defkey)
129          j = strlen (currdir);          err = gpg_keycache_find_key (kc, defkey, 0, &key);
130          while (j--) {      else
131              if (currdir[j] == '\\')          msg_box (NULL, _("No useable secret key found."), _("WinPT Error"), MB_ERR);
132                  break;                free_if_alloc (defkey);
133          }      return err? -1 : 0;
134          currdir[j] = 0;  }
135          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  
136      }  
137      return program;  /* Return the WinPT program file name (with full pathname). */
138  } /* get_prog_part */  static const char *
139    get_prog_part (const char * fname, int use_cwd)
140    {
141  static int      static char program[512];
142  check_crypto_engine (void)      char currdir[256];
143  {      char *cmd = NULL;
144      int ma=1, mi=2, pa=4; /* GPG 1.2.4 */      int j;
145      int rc;          
146        memset (currdir, 0, DIM (currdir));
147      rc = check_gnupg_engine (&ma, &mi, &pa);      memset (program, 0, DIM (program));
148      if (rc == -1) {          
149          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);      if (use_cwd) {
150          return rc;          GetCurrentDirectory (DIM (currdir)-1, currdir);
151      }          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
152      else if (rc) {      }
153          log_box (_("WinPT Error"), MB_ERR,      else {
154                   _("Sorry, you need a newer GPG version.\n"          cmd = GetCommandLine ();
155                     "GPG version %d.%d.%d requred GPG version 1.2.4"),          if (cmd == NULL)
156                     ma, mi, pa);              return NULL;
157          return rc;          strncpy (currdir, cmd, sizeof (currdir)-1);
158      }          j = strlen (currdir);
159      /* We enable smartcard support for GPG: 1.9.x and >= 1.3.90 */          while (j--) {
160      if (ma > 1 || mi >= 9 || mi > 3)              if (currdir[j] == '\\')
161          scard_support = 1;                  break;
162            }
163      gpgver[0] = ma;          currdir[j] = 0;
164      gpgver[1] = mi;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
165      gpgver[2] = pa;      }
166      return rc;      return program;
167  } /* check_crypto_engine */  }
168    
169    
170  static int  /* Check that the underlying crypto engine fullfills the minimal
171  load_keyserver_conf (int quiet)     requirements so all commands work properly. */
172  {  static int
173      const char * t;  check_crypto_engine (void)
174      int rc;  {
175        int ma=1, mi=4, pa=3; /* GPG 1.4.3 */
176      if (reg_prefs.kserv_conf)      int rc;
177          t = reg_prefs.kserv_conf;  
178      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      rc = check_gnupg_engine (&ma, &mi, &pa);
179          t = get_prog_part ("keyserver.conf", 0);      if (rc == -1) {
180      else          msg_box (NULL, _("Could not read GnuPG version."),
181          t = "keyserver.conf";                   _("WinPT Error"), MB_ERR);
182      rc = kserver_load_conf (t);          return rc;
183      if (rc && !quiet)      }
184          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);      else if (rc) {
185      return rc;          log_box (_("WinPT Error"), MB_ERR,
186  }                   _("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  int WINAPI          return rc;
190  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      }
191  {      /* We enable smartcard support for GPG: 1.9 or >= 1.4 */
192      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      if ((ma == 1 && mi >= 4) || ma > 1)
193      HACCEL accel_tab;          scard_support = 1;
194      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;  
195      int first_start = 0, start_gpgprefs = 0;      gpgver[0] = ma;
196      const char * s;      gpgver[1] = mi;
197      MSG msg;      gpgver[2] = pa;
198      HWND hwnd;      return rc;
199    }
200      glob_hinst = hinst;  
201        
202      gpgme_lib_init ();  /* Try to load the keyserver config file. If @quiet is 1
203      #ifdef _DEBUG     do not show any errors. */
204      gpgme_set_debug_mode (1);  static int
205      #endif  load_keyserver_conf (int quiet)
206      gpgme_set_pgm_string ("WinPT "PGM_VERSION);  {
207        const char * t;
208      s = PTD_get_version ();      int rc;
209      if (strcmp (s, "0.8.0")) {  
210          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      if (reg_prefs.kserv_conf)
211                   _("Please update your PTD.dll to the newest version, "          t = reg_prefs.kserv_conf;
212                     "the version (%s) you use is too old."), s);      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
213          return 0;          t = get_prog_part ("keyserver.conf", 0);
214      }      else
215            t = "keyserver.conf";
216      if (gpg_md_selftest ()) {      rc = kserver_load_conf (t);
217          msg_box (NULL, _("Cryptographic selftest failed."),      if (rc && !quiet)
218                   _("WinPT Error"), MB_ERR);          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
219          return 0;      return rc;
220      }  }
221    
222      set_default_kserver ();  
223      regist_inst_gnupg (1);  /* Enable the mobility mode. */
224      regist_inst_winpt (1, &created);  static void
225      if (!created) {  enable_mobile_mode (void)
226          memset (&reg_prefs, 0, sizeof (reg_prefs));  {
227          reg_prefs.use_tmpfiles = 1; /* default */      memset (&reg_prefs, 0, sizeof (reg_prefs));
228          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      reg_prefs.always_trust = 0;
229          get_reg_winpt_prefs (&reg_prefs);      reg_prefs.auto_backup = 0;
230          if (!reg_prefs.no_hotkeys)      reg_prefs.cache_time = 0;
231              hotkeys_modify ();      reg_prefs.expert = 0;
232      }      reg_prefs.keylist_mode = 1;
233        reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
234      rc = gnupg_check_homedir ();      reg_prefs.no_zip_mmedia = 1;
235      if (rc) {      reg_prefs.use_tmpfiles = 1;
236          log_box (_("WinPT Error"), MB_ERR,      reg_prefs.word_wrap = 80;
237                   _("GPG home directory is not set correctly.\n"      reg_prefs.use_viewer = 0; /* XXX */
238                     "Please check the GPG registry settings:\n%s."),  }
239                   winpt_strerror (rc));  
240          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,  char* multi_gnupg_path (void);
241                                             _("Select GPG Public Keyring"),  
242                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),  const char * fm_get_file_type (const char *fname, int *r_type);
243                                             NULL);  
244          if (s && !file_exist_check (s))  /* Main entry point. */
245          {  int WINAPI
246              size_t n;  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
247              char * p = strrchr (s, '\\');  {
248              if (!p)      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
249                  BUG (0);      HACCEL accel_tab;
250              n = p - s;      int rc, ec, created = 0, nfiles = 0;
251              if (n)      int first_start = 0, start_gpgprefs = 0;
252              {      int winpt_inst_found = 0;
253                  char * file = new char[n+1];      const char *s;
254                  if (!file)      MSG msg;
255                      BUG (NULL);      HWND hwnd = NULL;
256                  memset (file, 0, n);  
257                  memcpy (file, s, n);      glob_hinst = hinst;
258                  file[n] = '\0';          
259                  set_reg_entry_gpg ("HomeDir", file);  #ifdef _DEBUG
260                  free_if_alloc (file);      gpg_set_debug_mode (1);
261                  gnupg_check_homedir (); /* change gpgProgram if needed */      debug = 1;
262              }  #endif
263          }  
264          else {      if (gpg_md_selftest ()) {
265              msg_box (NULL, _("GPG home directory could not be determited."),          msg_box (NULL, _("Cryptographic selftest failed."),
266                       _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
267              goto start;          return 0;
268          }      }
269      }  
270        s = gpgme_check_version (MIN_GPGME_VER);
271      rc = check_gnupg_prog ();      if (!s || !*s) {
272      if (rc) {          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
273          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"                   _("WinPT Error"), MB_ERR);
274                               "Do you want to start the GPG preferences to "          return 0;
275                               "correct  this problem?"), _("WinPT Error"),      }
276                               MB_INFO|MB_YESNO) == IDYES)  
277              start_gpgprefs = 1;      CreateMutex (NULL, TRUE, PGM_NAME);
278          else      if (GetLastError () == ERROR_ALREADY_EXISTS)
279          {          winpt_inst_found = 1;
280              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);  
281              return 0;      if (cmdline && stristr (cmdline, "--mobile")) {
282          }          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
283      }                   "WinPT", MB_INFO);
284            mobile = 1;
285      rc = gnupg_access_files ();      }
286      if (!start_gpgprefs && rc)  
287      {      set_default_kserver ();
288          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)  
289          {      if (!mobile) {
290              ec = msg_box (NULL,          regist_inst_gnupg (1);
291                  _("Could not access and/or find the public and secret keyring.\n"          regist_inst_winpt (1, &created);
292                    "If this is an accident, quit the program and fix it.\n\n"      }
293                    "Continue if you want that WinPT offers you more choices.\n"),      else {
294                    "WinPT", MB_INFO|MB_YESNO);          enable_mobile_mode ();
295              if (ec == IDYES)          /* XXX: ask for GPG path */
296                  first_start = 1;          created = 1; /* Disable registry writing */
297          }      }
298          if (!first_start)  
299          {      if (!created) {
300              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          memset (&reg_prefs, 0, sizeof (reg_prefs));
301              return 0;          reg_prefs.use_tmpfiles = 1; /* default */
302          }          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
303      }          get_reg_winpt_prefs (&reg_prefs);
304            if (!reg_prefs.no_hotkeys)
305      if (!first_start)              hotkeys_modify ();
306      {          gnupg_load_config ();
307          rc = gpg_check_permissions (1);      }
308          if (rc && rc == 2)  
309              gpg_read_only = 1;      rc = gnupg_check_homedir ();
310          else if (rc)      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      load_gettext ();                   winpt_strerror (rc));
315      init_gnupg_table ();          s = get_fileopen_dlg (GetActiveWindow (),
316                                  _("Select GPG Public Keyring"),
317      nfiles = fm_parse_command_line (cmdline);                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
318      if (nfiles > 0)                                NULL);
319          return 0;          if (s != NULL) {
320                size_t n;
321      if (cmdline && stristr (cmdline, "--wipe-freespace")) {              char * p = strrchr (s, '\\');
322          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,              if (!p)
323                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,                  BUG (0);
324                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);              n = p - s;
325          free_gnupg_table ();              if (n) {
326          return 0;                  char * file = new char[n+1];
327      }                  if (!file)
328                        BUG (NULL);
329      load_keyserver_conf (cmdline? 1 : 0);                  memset (file, 0, n);
330      if (cmdline && (stristr (cmdline, "--keymanager")                  memcpy (file, s, n);
331                  || stristr (cmdline, "--cardmanager"))) {                  file[n] = '\0';        
332          update_keycache (GetDesktopWindow ());                  set_reg_entry_gpg ("HomeDir", file);
333          if (stristr (cmdline, "keymanager"))                  free_if_alloc (file);
334              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,                  gnupg_check_homedir (); /* change gpgProgram if needed */
335                              GetDesktopWindow(), keymanager_dlg_proc, NULL,              }
336                              _("Key Manager"), IDS_WINPT_KEYMISC);          }
337          else {          else {
338              gpgme_card_t crd = smartcard_init ();              msg_box (NULL, _("GPG home directory could not be determited."),
339              if (crd)                       _("WinPT Error"), MB_ERR);
340                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,              goto start;
341                                    GetDesktopWindow(), card_edit_dlg_proc,          }
342                                    (LPARAM)crd, _("Card Manager"),      }
343                                    IDS_WINPT_CARD_EDIT);  
344              gpgme_card_release (crd);      rc = check_gnupg_prog ();
345          }      if (rc) {
346          keycache_release ();          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
347          free_gnupg_table ();                               "Do you want to start the GPG preferences to "
348          return 0;                               "correct  this problem?"), _("WinPT Error"),
349      }                               MB_INFO|MB_YESNO) == IDYES)
350                start_gpgprefs = 1;
351      CreateMutex (NULL, TRUE, PGM_NAME);          else
352      if (GetLastError () == ERROR_ALREADY_EXISTS) {          {
353          free_gnupg_table ();              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
354          return 0;              return 0;
355      }          }
356        }
357      /*if (file_exist_check ("loadimage.exe"))  
358          PTD_create_loadimage (NULL);*/      rc = gnupg_access_files ();
359                if (!start_gpgprefs && rc) {
360      if (cmdline && stristr (cmdline, "--enable-debug")) {          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
361          gpgme_set_debug_mode (1);              ec = msg_box (NULL,
362          winpt_debug_msg ();                  _("Could not access and/or find the public and secret keyring.\n"
363          debug = 1;                    "If this is an accident, quit the program and fix it.\n\n"
364      }                    "Continue if you want that WinPT offers you more choices.\n"),
365                      "WinPT", MB_INFO|MB_YESNO);
366      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));              if (ec == IDYES)
367      rc = RegisterClass (&wc);                  first_start = 1;
368      if (rc == FALSE) {          }
369          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);          if (!first_start) {
370          free_gnupg_table ();              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
371          return 0;              return 0;
372      }          }
373        }
374      hwnd = CreateWindow (PGM_NAME,  
375                           PGM_NAME,      if (!first_start) {
376                           0, 0, 0, 0, 0,          rc = gpg_check_permissions (1);
377                           NULL,          if (rc && rc == 2)
378                           NULL,              gpg_read_only = 1;
379                           hinst,          else if (rc)
380                           NULL);              return 0;
381      if (hwnd == NULL) {      }
382          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);  
383          free_gnupg_table ();      load_gettext (winpt_inst_found);
384          return 0;      init_gnupg_table ();
385      }  
386      glob_hwnd = hwnd;      nfiles = fm_parse_command_line (cmdline);
387      UpdateWindow (hwnd);      if (nfiles > 0) {
388            free_gnupg_table ();
389      if (!first_start && !start_gpgprefs) {          return 0;
390          gnupg_backup_options (1);      }
391          gnupg_backup_options (0);  
392                if (cmdline && stristr (cmdline, "--wipe-freespace")) {
393          rc = check_crypto_engine ();          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
394          if (rc) {                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,
395              DestroyWindow (hwnd);                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
396              free_gnupg_table ();          free_gnupg_table ();
397              return 0;          return 0;
398          }      }
399      }  
400        load_keyserver_conf (cmdline? 1 : 0);
401      if (start_gpgprefs)  
402      {      if (cmdline && (stristr (cmdline, "--keymanager")
403          char *ring;                  || stristr (cmdline, "--cardmanager"))) {
404          size_t size = 0;          update_keycache (GetDesktopWindow ());
405          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          if (stristr (cmdline, "keymanager"))
406                          gpgprefs_dlg_proc, NULL);              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,
407          ring = get_gnupg_keyring (0, !NO_STRICT);                              GetDesktopWindow(), keymanager_dlg_proc, NULL,
408          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)                              _("Key Manager"), IDS_WINPT_KEYMISC);  
409              first_start = 1; /* The keyring is empty! */          else {
410          free_if_alloc (ring);              gpg_card_t crd = gpg_card_load ();
411      }              if (crd)
412                    dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,
413      if (first_start) {                                    GetDesktopWindow(), card_edit_dlg_proc,
414          struct key_wizard_s c, dummy;                                    (LPARAM)crd, _("Card Manager"),
415  start:                                    IDS_WINPT_CARD_EDIT);
416          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, hwnd,              gpg_card_release (crd);
417                          first_run_dlg_proc, (LPARAM)&dummy);          }
418          switch (dummy.interactive)          keycache_release (0);
419          {          free_gnupg_table ();
420          case SETUP_KEYGEN:          return 0;
421              c.interactive = 1;      }
422              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,  
423                                   hwnd, keygen_wizard_dlg_proc, (LPARAM)&c);      /* If we found another WinPT instance, just quit to avoid it
424              if (!rc)         will be executed twice. */
425                  goto start;      if (winpt_inst_found) {
426              break;          log_debug ("%s", "WinMain: WinPT is already running.");
427            free_gnupg_table ();
428          case SETUP_IMPORT:          return 0;
429              rc = gnupg_copy_keyrings ();      }
430              if (rc) {  
431                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      if (cmdline) {
432                  goto start;          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {
433              }              gpg_set_debug_mode (1);
434              break;              winpt_debug_msg ();
435                debug = 1;
436          case SETUP_EXISTING:          }
437              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      }
438                              gpgprefs_dlg_proc, NULL);  
439              break;      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
440        rc = RegisterClass (&wc);
441          case -1:      if (rc == FALSE) {
442              DestroyWindow (hwnd);          msg_box (NULL, _("Could not register window class"),
443              free_gnupg_table ();                   _("WinPT Error"), MB_ERR);
444              return 0;          free_gnupg_table ();
445          }          return 0;
446          update_keycache (hwnd);      }
447          check_crypto_engine ();  
448      }      hwnd = CreateWindow (PGM_NAME,
449      else {                           PGM_NAME,
450          gpgme_keycache_t c;                           0, 0, 0, 0, 0,
451          update_keycache (hwnd);                           NULL,
452          c = keycache_get_ctx (1);                           NULL,
453          if (!c || !gpgme_keycache_count (c)) {                           hinst,
454              gnupg_display_error ();                           NULL);
455              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"      if (hwnd == NULL) {
456                               "Please check your GPG config (keyrings, pathes...)"),          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
457                               _("WinPT Error"), MB_ERR);          free_gnupg_table ();
458              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"          return 0;
459                                    "Do you want to start the GPG preferences dialog?"),      }
460                              "WinPT", MB_INFO|MB_YESNO);      glob_hwnd = hwnd;
461              if (ec == IDYES) {      UpdateWindow (hwnd);
462                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,  
463                                  gpgprefs_dlg_proc, NULL);      if (!first_start && !start_gpgprefs) {
464                  update_keycache (hwnd);          gnupg_backup_options ();        
465              }          rc = check_crypto_engine ();
466              else {          if (rc) {
467                  DestroyWindow (hwnd);              DestroyWindow (hwnd);
468                  free_gnupg_table ();              free_gnupg_table ();
469                  return 0;              return 0;
470              }          }
471          }      }
472          if (check_default_key (c)) {      
473              char * p = get_gnupg_default_key ();      if (start_gpgprefs) {
474              log_box (_("WinPT Error"), MB_ERR,          char *ring;
475                       _("Default key from the GPG options file could not be found.\n"  
476                         "Please check your gpg.conf (options) to correct this:\n\n"          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
477                         "%s: public key not found."), p? p : "[null]");                          gpgprefs_dlg_proc, 0);
478              free_if_alloc (p);          ring = get_gnupg_keyring (0, !NO_STRICT);
479              DestroyWindow (hwnd);          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
480              free_gnupg_table ();              first_start = 1; /* The keyring is empty! */
481              return 0;          free_if_alloc (ring);
482          }      }
483          if (count_insecure_elgkeys ())  
484              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,      if (first_start) {
485                              elgamal_warn_dlg_proc, NULL);          struct first_start_s fs;
486      }          struct genkey_s c;
487            HWND h;
488      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);  start:
489      keyring_check_last_access (); /* init */          h = GetDesktopWindow ();
490      while (GetMessage (&msg, hwnd, 0, 0)) {          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
491          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {                              gpgprefs_dlg_proc, 0);
492              TranslateMessage (&msg);          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
493              DispatchMessage (&msg);                          first_run_dlg_proc, (LPARAM)&fs);
494          }          switch (fs.choice) {
495      }          case SETUP_KEYGEN:
496                        c.interactive = 1;
497      return 0;              c.first_start = 1;
498  } /* WinMain */              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
499                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
500                if (!rc)
501                    goto start;
502                break;
503    
504            case SETUP_IMPORT:
505                rc = gnupg_copy_keyrings ();
506                if (rc) {
507                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
508                    goto start;
509                }
510                break;
511    
512            case -1:
513                DestroyWindow (hwnd);
514                free_gnupg_table ();
515                return 0;
516            }
517            update_keycache (hwnd);
518            check_crypto_engine ();
519        }
520        else {
521            gpg_keycache_t c;
522            update_keycache (hwnd);
523            c = keycache_get_ctx (1);
524            if (!c || !gpg_keycache_get_size (c)) {
525                gnupg_display_error ();
526                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
527                                 "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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