/[winpt]/trunk/Src/WinPT.cpp
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revision 22 by twoaday, Wed Aug 10 11:33:35 2005 UTC revision 58 by werner, Wed Nov 2 13:36:03 2005 UTC
# Line 1  Line 1 
1  /* WinPT.cpp - Windows Privacy Tray (WinPT)  /* WinPT.cpp - Windows Privacy Tray (WinPT)
2   *      Copyright (C) 2000-2005 Timo Schulz   *      Copyright (C) 2000-2005 Timo Schulz
3   *   *
4   * This file is part of WinPT.   * This file is part of WinPT.
5   *   *
6   * WinPT is free software; you can redistribute it and/or modify   * WinPT is free software; you can redistribute it and/or modify
7   * it under the terms of the GNU General Public License as published by   * it under the terms of the GNU General Public License as published by
8   * the Free Software Foundation; either version 2 of the License, or   * the Free Software Foundation; either version 2 of the License, or
9   * (at your option) any later version.   * (at your option) any later version.
10   *   *
11   * WinPT is distributed in the hope that it will be useful,   * WinPT is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   * GNU General Public License for more details.   * GNU General Public License for more details.
15   *   *
16   * You should have received a copy of the GNU General Public License   * You should have received a copy of the GNU General Public License
17   * along with WinPT; if not, write to the Free Software Foundation,   * along with WinPT; if not, write to the Free Software Foundation,
18   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19   */   */
20  #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   "1.4.3"   /* 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  /* Internal IPC */  
48  int start_keymanager = 0;  HINSTANCE glob_hinst;   /* global instance for the dialogs */
49    HWND glob_hwnd;         /* global window handle for the dialogs */
50  static void  HWND activ_hwnd;
51  update_keycache (HWND hwnd)  LOCK mo_file;
52  {  int scard_support = 0;
53      refresh_cache_s rcs = {0};  int debug = 0;
54      rcs.kr_reload = 0;  int mobile = 0;
55      rcs.kr_update = 1;  int gpg_read_only = 0;
56      rcs.tr_update = 1;  char gpgver[3];
57      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  
58                      keycache_dlg_proc, (LPARAM)&rcs);  
59  } /* update_keycache */  /* Load the key cache and rebuild the signature cache. */
60    static void
61    update_keycache (HWND hwnd)
62  static char *  {
63  get_gettext_lang (void)      refresh_cache_s rcs = {0};
64  {          rcs.kr_reload = 0;
65      char * fname;      rcs.kr_update = 1;
66      fname = get_reg_entry_mo ();      rcs.tr_update = 1;
67      if (!fname)      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
68          return NULL;                      keycache_dlg_proc, (LPARAM)&rcs);
69      return fname;  }
70  } /* get_gettext_lang */  
71    
72    /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
73  static void  void
74  load_gettext (void)  gpg_set_debug_mode (int val)
75  {  {      
76      char * nls = NULL;      if (val)
77      char * file = NULL;          putenv ("GPGME_DEBUG=5:gpgme.dbg");
78        else
79      nls = get_gettext_lang ();          putenv ("GPGME_DEBUG=");
80      if (nls) {  }
81          set_gettext_file ("winpt", nls);  
82          file = make_filename (nls, "winpt", "mo");  
83          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  /* Return the name of the gettext language file. */
84              msg_box (NULL, _("Could not initizalize file lock.\n"  static char*
85                               "Native Language Support"),  get_gettext_lang (void)
86                       _("WinPT Error"), MB_ERR);  {    
87          }      char *fname;
88          free_if_alloc (nls);      fname = get_reg_entry_mo ();
89          free_if_alloc (file);      if (!fname)
90      }          return NULL;
91  } /* load_gettext */      return fname;
92    }
93    
94  /* check if the default key from the gpg.conf file is available in the  
95     keyring. if not, bail out because encryption won't work properly then. */  /* Initialize the gettext sub system. */
96  static int  static void
97  check_default_key (gpgme_keycache_t kc)  load_gettext (int prev_inst)
98  {  {
99      gpgme_key_t key;      char *nls = NULL;
100      gpgme_error_t err = GPGME_No_Error;      char *file = NULL;
101      char * defkey;  
102        nls = get_gettext_lang ();
103      defkey = get_gnupg_default_key ();      if (nls) {
104      if (defkey)          set_gettext_file ("winpt", nls);
105          err = gpgme_keycache_find_key (kc, defkey, 0, &key);          file = make_filename (nls, "winpt", "mo");
106      free_if_alloc (defkey);          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
107      return err? -1 : 0;              if (!prev_inst)
108  } /* check_default_key */                  msg_box (NULL, _("Could not initizalize file lock.\n"
109                                     "Native Language Support"),
110                             _("WinPT Error"), MB_ERR);
111  /* Return the WinPT program file name (with full pathname). */          }
112  static const char *          free_if_alloc (nls);
113  get_prog_part (const char * fname, int use_cwd)          free_if_alloc (file);
114  {      }
115      static char program[1024];  }
116      char currdir[256], * cmd = NULL;  
117      int j;  
118            /* check if the default key from the gpg.conf file is available in the
119      memset (currdir, 0, DIM (currdir));     keyring. if not, bail out because encryption won't work properly then. */
120      memset (program, 0, DIM (program));  static int
121            check_default_key (gpg_keycache_t kc)
122      if (use_cwd) {  {
123          GetCurrentDirectory (DIM (currdir)-1, currdir);      gpgme_key_t key;
124          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      gpgme_error_t err = GPG_ERR_NO_ERROR;
125      }      char * defkey;
126      else {  
127          cmd = GetCommandLine ();      defkey = get_gnupg_default_key ();
128          if (cmd == NULL)      if (defkey)
129              return NULL;          err = gpg_keycache_find_key (kc, defkey, 0, &key);
130          strncpy (currdir, cmd, 255);      free_if_alloc (defkey);
131          j = strlen (currdir);      return err? -1 : 0;
132          while (j--) {  }
133              if (currdir[j] == '\\')  
134                  break;            
135          }  /* Return the WinPT program file name (with full pathname). */
136          currdir[j] = 0;  static const char *
137          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  get_prog_part (const char * fname, int use_cwd)
138      }  {
139      return program;      static char program[512];
140  } /* get_prog_part */      char currdir[256];
141        char *cmd = NULL;
142        int j;
143  static int          
144  check_crypto_engine (void)      memset (currdir, 0, DIM (currdir));
145  {      memset (program, 0, DIM (program));
146      int ma=1, mi=4, pa=0; /* GPG 1.4.0 */          
147      int rc;      if (use_cwd) {
148            GetCurrentDirectory (DIM (currdir)-1, currdir);
149      rc = check_gnupg_engine (&ma, &mi, &pa);          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
150      if (rc == -1) {      }
151          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);      else {
152          return rc;          cmd = GetCommandLine ();
153      }          if (cmd == NULL)
154      else if (rc) {              return NULL;
155          log_box (_("WinPT Error"), MB_ERR,          strncpy (currdir, cmd, sizeof (currdir)-1);
156                   _("Sorry, you need a newer GPG version.\n"          j = strlen (currdir);
157                     "GPG version %d.%d.%d required GPG version 1.4.0"),          while (j--) {
158                     ma, mi, pa);              if (currdir[j] == '\\')
159          return rc;                  break;
160      }          }
161      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */          currdir[j] = 0;
162      if (ma >= 1 && mi >= 4)          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
163          scard_support = 1;      }
164        return program;
165      gpgver[0] = ma;  }
166      gpgver[1] = mi;  
167      gpgver[2] = pa;  
168      return rc;  /* Check that the underlying crypto engine fullfills the minimal
169  } /* check_crypto_engine */     requirements so all commands work properly. */
170    static int
171    check_crypto_engine (void)
172  static int  {
173  load_keyserver_conf (int quiet)      int ma=1, mi=4, pa=3; /* GPG 1.4.3 */
174  {      int rc;
175      const char * t;  
176      int rc;      rc = check_gnupg_engine (&ma, &mi, &pa);
177        if (rc == -1) {
178      if (reg_prefs.kserv_conf)          msg_box (NULL, _("Could not read GnuPG version."),
179          t = reg_prefs.kserv_conf;                   _("WinPT Error"), MB_ERR);
180      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))          return rc;
181          t = get_prog_part ("keyserver.conf", 0);      }
182      else      else if (rc) {
183          t = "keyserver.conf";          log_box (_("WinPT Error"), MB_ERR,
184      rc = kserver_load_conf (t);                   _("Sorry, you need a newer GPG version.\n"
185      if (rc && !quiet)                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
186          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);                     ma, mi, pa);
187      return rc;          return rc;
188  }      }
189        /* We enable smartcard support for GPG: 1.9 or >= 1.4 */
190        if ((ma == 1 && mi >= 4) || ma > 1)
191  static void          scard_support = 1;
192  enable_mobile_mode (void)  
193  {      gpgver[0] = ma;
194      memset (&reg_prefs, 0, sizeof (reg_prefs));      gpgver[1] = mi;
195      reg_prefs.always_trust = 0;      gpgver[2] = pa;
196      reg_prefs.auto_backup = 0;      return rc;
197      reg_prefs.cache_time = 0;  }
198      reg_prefs.expert = 0;  
199      reg_prefs.keylist_mode = 1;  
200      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  /* Try to load the keyserver config file. If @quiet is 1
201      reg_prefs.no_zip_mmedia = 1;     do not show any errors. */
202      reg_prefs.use_tmpfiles = 1;  static int
203      reg_prefs.word_wrap = 80;  load_keyserver_conf (int quiet)
204      reg_prefs.use_viewer = 0; /* XXX */  {
205  }      const char * t;
206        int rc;
207  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);  
208        if (reg_prefs.kserv_conf)
209  int WINAPI          t = reg_prefs.kserv_conf;
210  #ifndef WINPT_IPC      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
211  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)          t = get_prog_part ("keyserver.conf", 0);
212  #else      else
213  win_main (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)          t = "keyserver.conf";
214  #endif      rc = kserver_load_conf (t);
215  {      if (rc && !quiet)
216      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
217      HACCEL accel_tab;      return rc;
218      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;  }
219      int first_start = 0, start_gpgprefs = 0;  
220      const char * s;  
221      MSG msg;  /* Enable the mobility mode. */
222      HWND hwnd = NULL;  static void
223    enable_mobile_mode (void)
224      glob_hinst = hinst;  {
225            memset (&reg_prefs, 0, sizeof (reg_prefs));
226      gpgme_lib_init ();      reg_prefs.always_trust = 0;
227      #ifdef _DEBUG      reg_prefs.auto_backup = 0;
228      gpgme_set_debug_mode (1);      reg_prefs.cache_time = 0;
229      #endif      reg_prefs.expert = 0;
230      gpgme_set_pgm_string ("WinPT "PGM_VERSION);      reg_prefs.keylist_mode = 1;
231        reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
232      s = PTD_get_version ();      reg_prefs.no_zip_mmedia = 1;
233      if (strcmp (s, "0.8.0")) {      reg_prefs.use_tmpfiles = 1;
234          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      reg_prefs.word_wrap = 80;
235                   _("Please update your PTD.dll to the newest version, "      reg_prefs.use_viewer = 0; /* XXX */
236                     "the version (%s) you use is too old."), s);  }
237          return 0;  
238      }  char* multi_gnupg_path (void);
239    
240      if (gpg_md_selftest ()) {  const char * fm_get_file_type (const char *fname, int *r_type);
241          msg_box (NULL, _("Cryptographic selftest failed."),  
242                   _("WinPT Error"), MB_ERR);  /* Main entry point. */
243          return 0;  int WINAPI
244      }  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
245    {
246      if (cmdline && stristr (cmdline, "--mobile")) {      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
247          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",      HACCEL accel_tab;
248                   "WinPT", MB_INFO);      int rc, ec, created = 0, nfiles = 0;
249          mobile = 1;      int first_start = 0, start_gpgprefs = 0;
250      }      int winpt_inst_found = 0;
251        const char *s;
252      set_default_kserver ();      MSG msg;
253        HWND hwnd = NULL;
254      if (!mobile) {  
255          regist_inst_gnupg (1);      glob_hinst = hinst;
256          regist_inst_winpt (1, &created);  
257      }  #ifdef _DEBUG
258      else {      gpg_set_debug_mode (1);
259          enable_mobile_mode ();      debug = 1;
260          /* XXX: ask for GPG path */  #endif
261          created = 1; /* Disable registry writing */  
262      }      s = PTD_get_version ();
263        // FIXME: Using strcmp here is wrong
264      if (!created) {  //     if (strcmp (s, MIN_PTD_VER)) {
265          memset (&reg_prefs, 0, sizeof (reg_prefs));  //      log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,
266          reg_prefs.use_tmpfiles = 1; /* default */  //               _("Please update your PTD.dll to the newest version, "
267          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */  //                 "the version (%s) you use is too old."), s);
268          get_reg_winpt_prefs (&reg_prefs);  //      return 0;
269          if (!reg_prefs.no_hotkeys)  //     }
270              hotkeys_modify ();  
271      }      if (gpg_md_selftest ()) {
272            msg_box (NULL, _("Cryptographic selftest failed."),
273      rc = gnupg_check_homedir ();                   _("WinPT Error"), MB_ERR);
274      if (rc) {          return 0;
275          log_box (_("WinPT Error"), MB_ERR,      }
276                   _("GPG home directory is not set correctly.\n"  
277                     "Please check the GPG registry settings:\n%s."),      s = gpgme_check_version (MIN_GPGME_VER);
278                   winpt_strerror (rc));      if (!s || !*s) {
279          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
280                                             _("Select GPG Public Keyring"),                   _("WinPT Error"), MB_ERR);
281                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),          return 0;
282                                             NULL);      }
283          if (s && !file_exist_check (s))  
284          {      CreateMutex (NULL, TRUE, PGM_NAME);
285              size_t n;      if (GetLastError () == ERROR_ALREADY_EXISTS)
286              char * p = strrchr (s, '\\');          winpt_inst_found = 1;
287              if (!p)  
288                  BUG (0);      if (cmdline && stristr (cmdline, "--mobile")) {
289              n = p - s;          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
290              if (n)                   "WinPT", MB_INFO);
291              {          mobile = 1;
292                  char * file = new char[n+1];      }
293                  if (!file)  
294                      BUG (NULL);      set_default_kserver ();
295                  memset (file, 0, n);  
296                  memcpy (file, s, n);      if (!mobile) {
297                  file[n] = '\0';                  regist_inst_gnupg (1);
298                  set_reg_entry_gpg ("HomeDir", file);          regist_inst_winpt (1, &created);
299                  free_if_alloc (file);      }
300                  gnupg_check_homedir (); /* change gpgProgram if needed */      else {
301              }          enable_mobile_mode ();
302          }          /* XXX: ask for GPG path */
303          else {          created = 1; /* Disable registry writing */
304              msg_box (NULL, _("GPG home directory could not be determited."),      }
305                       _("WinPT Error"), MB_ERR);  
306              goto start;      if (!created) {
307          }          memset (&reg_prefs, 0, sizeof (reg_prefs));
308      }          reg_prefs.use_tmpfiles = 1; /* default */
309            reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
310      rc = check_gnupg_prog ();          get_reg_winpt_prefs (&reg_prefs);
311      if (rc) {          if (!reg_prefs.no_hotkeys)
312          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"              hotkeys_modify ();
313                               "Do you want to start the GPG preferences to "          gnupg_load_config ();
314                               "correct  this problem?"), _("WinPT Error"),      }
315                               MB_INFO|MB_YESNO) == IDYES)  
316              start_gpgprefs = 1;      rc = gnupg_check_homedir ();
317          else      if (rc) {
318          {          log_box (_("WinPT Error"), MB_ERR,
319              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                   _("GPG home directory is not set correctly.\n"
320              return 0;                     "Please check the GPG registry settings:\n%s."),
321          }                   winpt_strerror (rc));
322      }          s = get_fileopen_dlg (GetActiveWindow (),
323                                  _("Select GPG Public Keyring"),
324      rc = gnupg_access_files ();                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
325      if (!start_gpgprefs && rc)                                NULL);
326      {          if (s != NULL) {
327          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)              size_t n;
328          {              char * p = strrchr (s, '\\');
329              ec = msg_box (NULL,              if (!p)
330                  _("Could not access and/or find the public and secret keyring.\n"                  BUG (0);
331                    "If this is an accident, quit the program and fix it.\n\n"              n = p - s;
332                    "Continue if you want that WinPT offers you more choices.\n"),              if (n) {
333                    "WinPT", MB_INFO|MB_YESNO);                  char * file = new char[n+1];
334              if (ec == IDYES)                  if (!file)
335                  first_start = 1;                      BUG (NULL);
336          }                  memset (file, 0, n);
337          if (!first_start)                  memcpy (file, s, n);
338          {                  file[n] = '\0';        
339              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                  set_reg_entry_gpg ("HomeDir", file);
340              return 0;                  free_if_alloc (file);
341          }                  gnupg_check_homedir (); /* change gpgProgram if needed */
342      }              }
343            }
344      if (!first_start)          else {
345      {              msg_box (NULL, _("GPG home directory could not be determited."),
346          rc = gpg_check_permissions (1);                       _("WinPT Error"), MB_ERR);
347          if (rc && rc == 2)              goto start;
348              gpg_read_only = 1;          }
349          else if (rc)      }
350              return 0;  
351      }      rc = check_gnupg_prog ();
352        if (rc) {
353      load_gettext ();          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
354      init_gnupg_table ();                               "Do you want to start the GPG preferences to "
355                                 "correct  this problem?"), _("WinPT Error"),
356      nfiles = fm_parse_command_line (cmdline);                               MB_INFO|MB_YESNO) == IDYES)
357      if (nfiles > 0)              start_gpgprefs = 1;
358          return 0;          else
359            {
360      if (cmdline && stristr (cmdline, "--wipe-freespace")) {              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
361          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,              return 0;
362                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,          }
363                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);      }
364          free_gnupg_table ();  
365          return 0;      rc = gnupg_access_files ();
366      }      if (!start_gpgprefs && rc) {
367            if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
368      load_keyserver_conf (cmdline? 1 : 0);              ec = msg_box (NULL,
369      if (start_keymanager) {                  _("Could not access and/or find the public and secret keyring.\n"
370          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,                    "If this is an accident, quit the program and fix it.\n\n"
371                              GetDesktopWindow(), keymanager_dlg_proc, NULL,                    "Continue if you want that WinPT offers you more choices.\n"),
372                              _("Key Manager"), IDS_WINPT_KEYMISC);                    "WinPT", MB_INFO|MB_YESNO);
373          keycache_release ();              if (ec == IDYES)
374          free_gnupg_table ();                  first_start = 1;
375          return 0;          }
376      }          if (!first_start) {
377                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
378      if (cmdline && (stristr (cmdline, "--keymanager")              return 0;
379                  || stristr (cmdline, "--cardmanager"))) {          }
380          update_keycache (GetDesktopWindow ());      }
381          if (stristr (cmdline, "keymanager"))  
382              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      if (!first_start) {
383                              GetDesktopWindow(), keymanager_dlg_proc, NULL,          rc = gpg_check_permissions (1);
384                              _("Key Manager"), IDS_WINPT_KEYMISC);            if (rc && rc == 2)
385          else {              gpg_read_only = 1;
386              gpgme_card_t crd = smartcard_init ();          else if (rc)
387              if (crd)              return 0;
388                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,      }
389                                    GetDesktopWindow(), card_edit_dlg_proc,  
390                                    (LPARAM)crd, _("Card Manager"),      load_gettext (winpt_inst_found);
391                                    IDS_WINPT_CARD_EDIT);      init_gnupg_table ();
392              gpgme_card_release (crd);  
393          }      nfiles = fm_parse_command_line (cmdline);
394          keycache_release ();      if (nfiles > 0) {
395          free_gnupg_table ();          free_gnupg_table ();
396          return 0;          return 0;
397      }      }
398    
399      CreateMutex (NULL, TRUE, PGM_NAME);      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
400      if (GetLastError () == ERROR_ALREADY_EXISTS) {          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
401          free_gnupg_table ();                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,
402          return 0;                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
403      }          free_gnupg_table ();
404            return 0;
405      if (cmdline) {      }
406          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {  
407              gpgme_set_debug_mode (1);      load_keyserver_conf (cmdline? 1 : 0);
408              winpt_debug_msg ();  
409              debug = 1;      if (cmdline && (stristr (cmdline, "--keymanager")
410          }                  || stristr (cmdline, "--cardmanager"))) {
411      }          update_keycache (GetDesktopWindow ());
412            if (stristr (cmdline, "keymanager"))
413      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,
414      rc = RegisterClass (&wc);                              GetDesktopWindow(), keymanager_dlg_proc, NULL,
415      if (rc == FALSE) {                              _("Key Manager"), IDS_WINPT_KEYMISC);  
416          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);          else {
417          free_gnupg_table ();              gpg_card_t crd = gpg_card_load ();
418          return 0;              if (crd)
419      }                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,
420                                      GetDesktopWindow(), card_edit_dlg_proc,
421      hwnd = CreateWindow (PGM_NAME,                                    (LPARAM)crd, _("Card Manager"),
422                           PGM_NAME,                                    IDS_WINPT_CARD_EDIT);
423                           0, 0, 0, 0, 0,              gpg_card_release (crd);
424                           NULL,          }
425                           NULL,          keycache_release (0);
426                           hinst,          free_gnupg_table ();
427                           NULL);          return 0;
428      if (hwnd == NULL) {      }
429          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);  
430          free_gnupg_table ();      /* If we found another WinPT instance, just quit to avoid it
431          return 0;         will be executed twice. */
432      }      if (winpt_inst_found) {
433      glob_hwnd = hwnd;          log_debug ("%s", "WinMain: WinPT is already running.");
434      UpdateWindow (hwnd);          free_gnupg_table ();
435            return 0;
436      if (!first_start && !start_gpgprefs) {      }
437          gnupg_backup_options (1);  
438          gnupg_backup_options (0);      if (cmdline) {
439                    if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {
440          rc = check_crypto_engine ();              gpg_set_debug_mode (1);
441          if (rc) {              winpt_debug_msg ();
442              DestroyWindow (hwnd);              debug = 1;
443              free_gnupg_table ();          }
444              return 0;      }
445          }  
446      }      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
447            rc = RegisterClass (&wc);
448      if (start_gpgprefs) {      if (rc == FALSE) {
449          char *ring;          msg_box (NULL, _("Could not register window class"),
450          size_t size = 0;                   _("WinPT Error"), MB_ERR);
451          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          free_gnupg_table ();
452                          gpgprefs_dlg_proc, NULL);          return 0;
453          ring = get_gnupg_keyring (0, !NO_STRICT);      }
454          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)  
455              first_start = 1; /* The keyring is empty! */      hwnd = CreateWindow (PGM_NAME,
456          free_if_alloc (ring);                           PGM_NAME,
457      }                           0, 0, 0, 0, 0,
458                             NULL,
459      if (first_start) {                           NULL,
460          struct first_start_s fs;                           hinst,
461          struct genkey_s c;                           NULL);
462          HWND h;      if (hwnd == NULL) {
463  start:          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
464          h = GetDesktopWindow ();          free_gnupg_table ();
465          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,          return 0;
466                              gpgprefs_dlg_proc, NULL);      }
467          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,      glob_hwnd = hwnd;
468                          first_run_dlg_proc, (LPARAM)&fs);      UpdateWindow (hwnd);
469          switch (fs.choice) {  
470          case SETUP_KEYGEN:      if (!first_start && !start_gpgprefs) {
471              c.interactive = 1;          gnupg_backup_options ();        
472              c.first_start = 1;          rc = check_crypto_engine ();
473              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,          if (rc) {
474                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);              DestroyWindow (hwnd);
475              if (!rc)              free_gnupg_table ();
476                  goto start;              return 0;
477              break;          }
478        }
479          case SETUP_IMPORT:      
480              rc = gnupg_copy_keyrings ();      if (start_gpgprefs) {
481              if (rc) {          char *ring;
482                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);  
483                  goto start;          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
484              }                          gpgprefs_dlg_proc, 0);
485              break;          ring = get_gnupg_keyring (0, !NO_STRICT);
486            if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
487          case -1:              first_start = 1; /* The keyring is empty! */
488              DestroyWindow (hwnd);          free_if_alloc (ring);
489              free_gnupg_table ();      }
490              return 0;  
491          }      if (first_start) {
492          update_keycache (hwnd);          struct first_start_s fs;
493          check_crypto_engine ();          struct genkey_s c;
494      }          HWND h;
495      else {  start:
496          gpgme_keycache_t c;          h = GetDesktopWindow ();
497          update_keycache (hwnd);          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
498          c = keycache_get_ctx (1);                              gpgprefs_dlg_proc, 0);
499          if (!c || !gpgme_keycache_count (c)) {          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
500              gnupg_display_error ();                          first_run_dlg_proc, (LPARAM)&fs);
501              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"          switch (fs.choice) {
502                               "Please check your GPG config (keyrings, pathes...)"),          case SETUP_KEYGEN:
503                               _("WinPT Error"), MB_ERR);              c.interactive = 1;
504              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"              c.first_start = 1;
505                                    "Do you want to start the GPG preferences dialog?"),              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
506                              "WinPT", MB_INFO|MB_YESNO);                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);
507              if (ec == IDYES) {              if (!rc)
508                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                  goto start;
509                                  gpgprefs_dlg_proc, NULL);              break;
510                  update_keycache (hwnd);  
511              }          case SETUP_IMPORT:
512              else {              rc = gnupg_copy_keyrings ();
513                  DestroyWindow (hwnd);              if (rc) {
514                  free_gnupg_table ();                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
515                  return 0;                  goto start;
516              }              }
517          }              break;
518          if (check_default_key (c)) {  
519              char * p = get_gnupg_default_key ();          case -1:
520              log_box (_("WinPT Error"), MB_ERR,              DestroyWindow (hwnd);
521                       _("Default key from the GPG options file could not be found.\n"              free_gnupg_table ();
522                         "Please check your gpg.conf (options) to correct this:\n\n"              return 0;
523                         "%s: public key not found."), p? p : "[null]");          }
524              free_if_alloc (p);          update_keycache (hwnd);
525              DestroyWindow (hwnd);          check_crypto_engine ();
526              free_gnupg_table ();      }
527              return 0;      else {
528          }          gpg_keycache_t c;
529          if (count_insecure_elgkeys ())          update_keycache (hwnd);
530              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,          c = keycache_get_ctx (1);
531                              elgamal_warn_dlg_proc, NULL);          if (!c || !gpg_keycache_get_size (c)) {
532      }              gnupg_display_error ();
533                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
534      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);                               "Please check your GPG config (keyrings, pathes...)"),
535      keyring_check_last_access (); /* init */                               _("WinPT Error"), MB_ERR);
536      while (GetMessage (&msg, hwnd, 0, 0)) {              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
537          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {                                    "Do you want to start the GPG preferences dialog?"),
538              TranslateMessage (&msg);                              "WinPT", MB_INFO|MB_YESNO);
539              DispatchMessage (&msg);              if (ec == IDYES) {
540          }                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
541      }                                  gpgprefs_dlg_proc, 0);
542                            update_keycache (hwnd);
543      return 0;              }
544  } /* WinMain */              else {
545                    DestroyWindow (hwnd);
546                    free_gnupg_table ();
547                    return 0;
548                }
549            }
550            if (check_default_key (c)) {
551                char * p = get_gnupg_default_key ();
552                log_box (_("WinPT Error"), MB_ERR,
553                         _("Default key from the GPG options file could not be found.\n"
554                           "Please check your gpg.conf (options) to correct this:\n\n"
555                           "%s: public key not found."), p? p : "[null]");
556                free_if_alloc (p);
557                DestroyWindow (hwnd);
558                free_gnupg_table ();
559                return 0;
560            }
561            if (count_insecure_elgkeys ())
562                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
563                                elgamal_warn_dlg_proc, 0);
564        }
565    
566        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
567        keyring_check_last_access (); /* init */
568        while (GetMessage (&msg, hwnd, 0, 0)) {
569            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
570                TranslateMessage (&msg);
571                DispatchMessage (&msg);
572            }
573        }
574            
575        return 0;
576    }
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