/[winpt]/trunk/Src/WinPT.cpp
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revision 22 by twoaday, Wed Aug 10 11:33:35 2005 UTC revision 36 by werner, Thu Oct 27 15:25:13 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"  #include <windows.h>
26  #include "wptErrors.h"  
27  #include "wptGPG.h"  #include "../resource.h"
28  #include "wptRegistry.h"  #include "wptTypes.h"
29  #include "wptCommonCtl.h"  #include "wptW32API.h"
30  #include "wptDlgs.h"  #include "wptVersion.h"
31  #include "wptNLS.h"  #include "wptErrors.h"
32  #include "wptKeyserver.h"  #include "wptGPG.h"
33  #include "wptCard.h"  #include "wptRegistry.h"
34  #include "wptFileManager.h"  #include "wptCommonCtl.h"
35  #include "wptContext.h"  #include "wptDlgs.h"
36    #include "wptNLS.h"
37  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptKeyserver.h"
38  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptCard.h"
39  HWND activ_hwnd;  #include "wptFileManager.h"
40  LOCK mo_file;  #include "wptContext.h"
41  int scard_support = 0;  #include "wptCardEdit.h"
42  int debug = 0;  
43  int mobile = 0;  
44  int gpg_read_only = 0;  #define MIN_GPG_VER   "1.4.3"   /* Minimal GPG version. */
45  char gpgver[3];  #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */
46    #define MIN_PTD_VER   "0.8.1"   /* Minimal PTD version. */
47  /* Internal IPC */  
48  int start_keymanager = 0;  
49    HINSTANCE glob_hinst;   /* global instance for the dialogs */
50  static void  HWND glob_hwnd;         /* global window handle for the dialogs */
51  update_keycache (HWND hwnd)  HWND activ_hwnd;
52  {  LOCK mo_file;
53      refresh_cache_s rcs = {0};  int scard_support = 0;
54      rcs.kr_reload = 0;  int debug = 0;
55      rcs.kr_update = 1;  int mobile = 0;
56      rcs.tr_update = 1;  int gpg_read_only = 0;
57      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  char gpgver[3];
58                      keycache_dlg_proc, (LPARAM)&rcs);  
59  } /* update_keycache */  
60    /* Load the key cache and rebuild the signature cache. */
61    static void
62  static char *  update_keycache (HWND hwnd)
63  get_gettext_lang (void)  {
64  {          refresh_cache_s rcs = {0};
65      char * fname;      rcs.kr_reload = 0;
66      fname = get_reg_entry_mo ();      rcs.kr_update = 1;
67      if (!fname)      rcs.tr_update = 1;
68          return NULL;      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
69      return fname;                      keycache_dlg_proc, (LPARAM)&rcs);
70  } /* get_gettext_lang */  }
71    
72    
73  static void  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
74  load_gettext (void)  void
75  {  gpg_set_debug_mode (int val)
76      char * nls = NULL;  {      
77      char * file = NULL;      if (val)
78            putenv ("GPGME_DEBUG=5:gpgme.dbg");
79      nls = get_gettext_lang ();      else
80      if (nls) {          putenv ("GPGME_DEBUG=");
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))  {  
84              msg_box (NULL, _("Could not initizalize file lock.\n"  /* Return the name of the gettext language file. */
85                               "Native Language Support"),  static char*
86                       _("WinPT Error"), MB_ERR);  get_gettext_lang (void)
87          }  {    
88          free_if_alloc (nls);      char *fname;
89          free_if_alloc (file);      fname = get_reg_entry_mo ();
90      }      if (!fname)
91  } /* load_gettext */          return NULL;
92        return fname;
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. */  
96  static int  /* Initialize the gettext sub system. */
97  check_default_key (gpgme_keycache_t kc)  static void
98  {  load_gettext (int prev_inst)
99      gpgme_key_t key;  {
100      gpgme_error_t err = GPGME_No_Error;      char *nls = NULL;
101      char * defkey;      char *file = NULL;
102    
103      defkey = get_gnupg_default_key ();      nls = get_gettext_lang ();
104      if (defkey)      if (nls) {
105          err = gpgme_keycache_find_key (kc, defkey, 0, &key);          set_gettext_file ("winpt", nls);
106      free_if_alloc (defkey);          file = make_filename (nls, "winpt", "mo");
107      return err? -1 : 0;          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
108  } /* check_default_key */              if (!prev_inst)
109                    msg_box (NULL, _("Could not initizalize file lock.\n"
110                                     "Native Language Support"),
111  /* Return the WinPT program file name (with full pathname). */                           _("WinPT Error"), MB_ERR);
112  static const char *          }
113  get_prog_part (const char * fname, int use_cwd)          free_if_alloc (nls);
114  {          free_if_alloc (file);
115      static char program[1024];      }
116      char currdir[256], * cmd = NULL;  }
117      int j;  
118            
119      memset (currdir, 0, DIM (currdir));  /* check if the default key from the gpg.conf file is available in the
120      memset (program, 0, DIM (program));     keyring. if not, bail out because encryption won't work properly then. */
121            static int
122      if (use_cwd) {  check_default_key (gpg_keycache_t kc)
123          GetCurrentDirectory (DIM (currdir)-1, currdir);  {
124          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      gpgme_key_t key;
125      }      gpgme_error_t err = GPG_ERR_NO_ERROR;
126      else {      char * defkey;
127          cmd = GetCommandLine ();  
128          if (cmd == NULL)      defkey = get_gnupg_default_key ();
129              return NULL;      if (defkey)
130          strncpy (currdir, cmd, 255);          err = gpg_keycache_find_key (kc, defkey, 0, &key);
131          j = strlen (currdir);      free_if_alloc (defkey);
132          while (j--) {      return err? -1 : 0;
133              if (currdir[j] == '\\')  }
134                  break;            
135          }  
136          currdir[j] = 0;  /* Return the WinPT program file name (with full pathname). */
137          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  static const char *
138      }  get_prog_part (const char * fname, int use_cwd)
139      return program;  {
140  } /* get_prog_part */      static char program[512];
141        char currdir[256];
142        char *cmd = NULL;
143  static int      int j;
144  check_crypto_engine (void)          
145  {      memset (currdir, 0, DIM (currdir));
146      int ma=1, mi=4, pa=0; /* GPG 1.4.0 */      memset (program, 0, DIM (program));
147      int rc;          
148        if (use_cwd) {
149      rc = check_gnupg_engine (&ma, &mi, &pa);          GetCurrentDirectory (DIM (currdir)-1, currdir);
150      if (rc == -1) {          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
151          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);      }
152          return rc;      else {
153      }          cmd = GetCommandLine ();
154      else if (rc) {          if (cmd == NULL)
155          log_box (_("WinPT Error"), MB_ERR,              return NULL;
156                   _("Sorry, you need a newer GPG version.\n"          strncpy (currdir, cmd, sizeof (currdir)-1);
157                     "GPG version %d.%d.%d required GPG version 1.4.0"),          j = strlen (currdir);
158                     ma, mi, pa);          while (j--) {
159          return rc;              if (currdir[j] == '\\')
160      }                  break;
161      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */          }
162      if (ma >= 1 && mi >= 4)          currdir[j] = 0;
163          scard_support = 1;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
164        }
165      gpgver[0] = ma;      return program;
166      gpgver[1] = mi;  }
167      gpgver[2] = pa;  
168      return rc;  
169  } /* check_crypto_engine */  /* Check that the underlying crypto engine fullfills the minimal
170       requirements so all commands work properly. */
171    static int
172  static int  check_crypto_engine (void)
173  load_keyserver_conf (int quiet)  {
174  {      int ma=1, mi=4, pa=3; /* GPG 1.4.3 */
175      const char * t;      int rc;
176      int rc;  
177        rc = check_gnupg_engine (&ma, &mi, &pa);
178      if (reg_prefs.kserv_conf)      if (rc == -1) {
179          t = reg_prefs.kserv_conf;          msg_box (NULL, _("Could not read GnuPG version."),
180      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))                   _("WinPT Error"), MB_ERR);
181          t = get_prog_part ("keyserver.conf", 0);          return rc;
182      else      }
183          t = "keyserver.conf";      else if (rc) {
184      rc = kserver_load_conf (t);          log_box (_("WinPT Error"), MB_ERR,
185      if (rc && !quiet)                   _("Sorry, you need a newer GPG version.\n"
186          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
187      return rc;                     ma, mi, pa);
188  }          return rc;
189        }
190        /* We enable smartcard support for GPG: 1.9 or >= 1.4 */
191  static void      if (ma >= 1 && mi >= 4)
192  enable_mobile_mode (void)          scard_support = 1;
193  {  
194      memset (&reg_prefs, 0, sizeof (reg_prefs));      gpgver[0] = ma;
195      reg_prefs.always_trust = 0;      gpgver[1] = mi;
196      reg_prefs.auto_backup = 0;      gpgver[2] = pa;
197      reg_prefs.cache_time = 0;      return rc;
198      reg_prefs.expert = 0;  }
199      reg_prefs.keylist_mode = 1;  
200      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
201      reg_prefs.no_zip_mmedia = 1;  /* Try to load the keyserver config file. If @quiet is 1
202      reg_prefs.use_tmpfiles = 1;     do not show any errors. */
203      reg_prefs.word_wrap = 80;  static int
204      reg_prefs.use_viewer = 0; /* XXX */  load_keyserver_conf (int quiet)
205  }  {
206        const char * t;
207  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      int rc;
208    
209  int WINAPI      if (reg_prefs.kserv_conf)
210  #ifndef WINPT_IPC          t = reg_prefs.kserv_conf;
211  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
212  #else          t = get_prog_part ("keyserver.conf", 0);
213  win_main (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      else
214  #endif          t = "keyserver.conf";
215  {      rc = kserver_load_conf (t);
216      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      if (rc && !quiet)
217      HACCEL accel_tab;          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
218      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;      return rc;
219      int first_start = 0, start_gpgprefs = 0;  }
220      const char * s;  
221      MSG msg;  
222      HWND hwnd = NULL;  /* Enable the mobility mode. */
223    static void
224      glob_hinst = hinst;  enable_mobile_mode (void)
225        {
226      gpgme_lib_init ();      memset (&reg_prefs, 0, sizeof (reg_prefs));
227      #ifdef _DEBUG      reg_prefs.always_trust = 0;
228      gpgme_set_debug_mode (1);      reg_prefs.auto_backup = 0;
229      #endif      reg_prefs.cache_time = 0;
230      gpgme_set_pgm_string ("WinPT "PGM_VERSION);      reg_prefs.expert = 0;
231        reg_prefs.keylist_mode = 1;
232      s = PTD_get_version ();      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
233      if (strcmp (s, "0.8.0")) {      reg_prefs.no_zip_mmedia = 1;
234          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      reg_prefs.use_tmpfiles = 1;
235                   _("Please update your PTD.dll to the newest version, "      reg_prefs.word_wrap = 80;
236                     "the version (%s) you use is too old."), s);      reg_prefs.use_viewer = 0; /* XXX */
237          return 0;  }
238      }  
239    char* multi_gnupg_path (void);
240      if (gpg_md_selftest ()) {  
241          msg_box (NULL, _("Cryptographic selftest failed."),  /* Main entry point. */
242                   _("WinPT Error"), MB_ERR);  int WINAPI
243          return 0;  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
244      }  {
245        WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
246      if (cmdline && stristr (cmdline, "--mobile")) {      HACCEL accel_tab;
247          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;
248                   "WinPT", MB_INFO);      int first_start = 0, start_gpgprefs = 0;
249          mobile = 1;      int winpt_inst_found = 0;
250      }      const char *s;
251        MSG msg;
252      set_default_kserver ();      HWND hwnd = NULL;
253    
254      if (!mobile) {      glob_hinst = hinst;
255          regist_inst_gnupg (1);  
256          regist_inst_winpt (1, &created);      #ifdef _DEBUG
257      }      gpg_set_debug_mode (1);
258      else {      debug = 1;
259          enable_mobile_mode ();      #endif
260          /* XXX: ask for GPG path */  
261          created = 1; /* Disable registry writing */      s = PTD_get_version ();
262      }      if (strcmp (s, MIN_PTD_VER)) {
263            log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,
264      if (!created) {                   _("Please update your PTD.dll to the newest version, "
265          memset (&reg_prefs, 0, sizeof (reg_prefs));                     "the version (%s) you use is too old."), s);
266          reg_prefs.use_tmpfiles = 1; /* default */          return 0;
267          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      }
268          get_reg_winpt_prefs (&reg_prefs);  
269          if (!reg_prefs.no_hotkeys)      if (gpg_md_selftest ()) {
270              hotkeys_modify ();          msg_box (NULL, _("Cryptographic selftest failed."),
271      }                   _("WinPT Error"), MB_ERR);
272            return 0;
273      rc = gnupg_check_homedir ();      }
274      if (rc) {  
275          log_box (_("WinPT Error"), MB_ERR,      s = gpgme_check_version (MIN_GPGME_VER);
276                   _("GPG home directory is not set correctly.\n"      if (!s || !*s) {
277                     "Please check the GPG registry settings:\n%s."),          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
278                   winpt_strerror (rc));                   _("WinPT Error"), MB_ERR);
279          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,          return 0;
280                                             _("Select GPG Public Keyring"),      }
281                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),  
282                                             NULL);      CreateMutex (NULL, TRUE, PGM_NAME);
283          if (s && !file_exist_check (s))      if (GetLastError () == ERROR_ALREADY_EXISTS)
284          {          winpt_inst_found = 1;
285              size_t n;  
286              char * p = strrchr (s, '\\');      if (cmdline && stristr (cmdline, "--mobile")) {
287              if (!p)          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
288                  BUG (0);                   "WinPT", MB_INFO);
289              n = p - s;          mobile = 1;
290              if (n)      }
291              {  
292                  char * file = new char[n+1];      set_default_kserver ();
293                  if (!file)  
294                      BUG (NULL);      if (!mobile) {
295                  memset (file, 0, n);          regist_inst_gnupg (1);
296                  memcpy (file, s, n);          regist_inst_winpt (1, &created);
297                  file[n] = '\0';              }
298                  set_reg_entry_gpg ("HomeDir", file);      else {
299                  free_if_alloc (file);          enable_mobile_mode ();
300                  gnupg_check_homedir (); /* change gpgProgram if needed */          /* XXX: ask for GPG path */
301              }          created = 1; /* Disable registry writing */
302          }      }
303          else {  
304              msg_box (NULL, _("GPG home directory could not be determited."),      if (!created) {
305                       _("WinPT Error"), MB_ERR);          memset (&reg_prefs, 0, sizeof (reg_prefs));
306              goto start;          reg_prefs.use_tmpfiles = 1; /* default */
307          }          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
308      }          get_reg_winpt_prefs (&reg_prefs);
309            if (!reg_prefs.no_hotkeys)
310      rc = check_gnupg_prog ();              hotkeys_modify ();
311      if (rc) {      }
312          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"  
313                               "Do you want to start the GPG preferences to "      rc = gnupg_check_homedir ();
314                               "correct  this problem?"), _("WinPT Error"),      if (rc) {
315                               MB_INFO|MB_YESNO) == IDYES)          log_box (_("WinPT Error"), MB_ERR,
316              start_gpgprefs = 1;                   _("GPG home directory is not set correctly.\n"
317          else                     "Please check the GPG registry settings:\n%s."),
318          {                   winpt_strerror (rc));
319              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          const char * s = get_fileopen_dlg (GetActiveWindow (),
320              return 0;                                             _("Select GPG Public Keyring"),
321          }                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
322      }                                             NULL);
323            if (s != NULL) {
324      rc = gnupg_access_files ();              size_t n;
325      if (!start_gpgprefs && rc)              char * p = strrchr (s, '\\');
326      {              if (!p)
327          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)                  BUG (0);
328          {              n = p - s;
329              ec = msg_box (NULL,              if (n) {
330                  _("Could not access and/or find the public and secret keyring.\n"                  char * file = new char[n+1];
331                    "If this is an accident, quit the program and fix it.\n\n"                  if (!file)
332                    "Continue if you want that WinPT offers you more choices.\n"),                      BUG (NULL);
333                    "WinPT", MB_INFO|MB_YESNO);                  memset (file, 0, n);
334              if (ec == IDYES)                  memcpy (file, s, n);
335                  first_start = 1;                  file[n] = '\0';        
336          }                  set_reg_entry_gpg ("HomeDir", file);
337          if (!first_start)                  free_if_alloc (file);
338          {                  gnupg_check_homedir (); /* change gpgProgram if needed */
339              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);              }
340              return 0;          }
341          }          else {
342      }              msg_box (NULL, _("GPG home directory could not be determited."),
343                         _("WinPT Error"), MB_ERR);
344      if (!first_start)              goto start;
345      {          }
346          rc = gpg_check_permissions (1);      }
347          if (rc && rc == 2)  
348              gpg_read_only = 1;      rc = check_gnupg_prog ();
349          else if (rc)      if (rc) {
350              return 0;          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
351      }                               "Do you want to start the GPG preferences to "
352                                 "correct  this problem?"), _("WinPT Error"),
353      load_gettext ();                               MB_INFO|MB_YESNO) == IDYES)
354      init_gnupg_table ();              start_gpgprefs = 1;
355            else
356      nfiles = fm_parse_command_line (cmdline);          {
357      if (nfiles > 0)              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
358          return 0;              return 0;
359            }
360      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      }
361          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,  
362                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,      rc = gnupg_access_files ();
363                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);      if (!start_gpgprefs && rc) {
364          free_gnupg_table ();          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
365          return 0;              ec = msg_box (NULL,
366      }                  _("Could not access and/or find the public and secret keyring.\n"
367                      "If this is an accident, quit the program and fix it.\n\n"
368      load_keyserver_conf (cmdline? 1 : 0);                    "Continue if you want that WinPT offers you more choices.\n"),
369      if (start_keymanager) {                    "WinPT", MB_INFO|MB_YESNO);
370          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,              if (ec == IDYES)
371                              GetDesktopWindow(), keymanager_dlg_proc, NULL,                  first_start = 1;
372                              _("Key Manager"), IDS_WINPT_KEYMISC);          }
373          keycache_release ();          if (!first_start) {
374          free_gnupg_table ();              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
375          return 0;              return 0;
376      }          }
377        }
378      if (cmdline && (stristr (cmdline, "--keymanager")  
379                  || stristr (cmdline, "--cardmanager"))) {      if (!first_start) {
380          update_keycache (GetDesktopWindow ());          rc = gpg_check_permissions (1);
381          if (stristr (cmdline, "keymanager"))          if (rc && rc == 2)
382              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,              gpg_read_only = 1;
383                              GetDesktopWindow(), keymanager_dlg_proc, NULL,          else if (rc)
384                              _("Key Manager"), IDS_WINPT_KEYMISC);                return 0;
385          else {      }
386              gpgme_card_t crd = smartcard_init ();  
387              if (crd)      load_gettext (winpt_inst_found);
388                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,      init_gnupg_table ();
389                                    GetDesktopWindow(), card_edit_dlg_proc,  
390                                    (LPARAM)crd, _("Card Manager"),      nfiles = fm_parse_command_line (cmdline);
391                                    IDS_WINPT_CARD_EDIT);      if (nfiles > 0) {
392              gpgme_card_release (crd);          free_gnupg_table ();
393          }          return 0;
394          keycache_release ();      }
395          free_gnupg_table ();  
396          return 0;      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
397      }          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
398                                GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,
399      CreateMutex (NULL, TRUE, PGM_NAME);                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
400      if (GetLastError () == ERROR_ALREADY_EXISTS) {          free_gnupg_table ();
401          free_gnupg_table ();          return 0;
402          return 0;      }
403      }  
404        load_keyserver_conf (cmdline? 1 : 0);
405      if (cmdline) {  
406          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {      if (cmdline && (stristr (cmdline, "--keymanager")
407              gpgme_set_debug_mode (1);                  || stristr (cmdline, "--cardmanager"))) {
408              winpt_debug_msg ();          update_keycache (GetDesktopWindow ());
409              debug = 1;          if (stristr (cmdline, "keymanager"))
410          }              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,
411      }                              GetDesktopWindow(), keymanager_dlg_proc, NULL,
412                                _("Key Manager"), IDS_WINPT_KEYMISC);  
413      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));          else {
414      rc = RegisterClass (&wc);              gpg_card_t crd = gpg_card_load ();
415      if (rc == FALSE) {              if (crd)
416          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,
417          free_gnupg_table ();                                    GetDesktopWindow(), card_edit_dlg_proc,
418          return 0;                                    (LPARAM)crd, _("Card Manager"),
419      }                                    IDS_WINPT_CARD_EDIT);
420                gpg_card_release (crd);
421      hwnd = CreateWindow (PGM_NAME,          }
422                           PGM_NAME,          keycache_release (0);
423                           0, 0, 0, 0, 0,          free_gnupg_table ();
424                           NULL,          return 0;
425                           NULL,      }
426                           hinst,  
427                           NULL);      /* If we found another WinPT instance, just quit to avoid it
428      if (hwnd == NULL) {         will be executed twice. */
429          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);      if (winpt_inst_found) {
430          free_gnupg_table ();          log_debug ("%s", "WinMain: WinPT is already running.");
431          return 0;          free_gnupg_table ();
432      }          return 0;
433      glob_hwnd = hwnd;      }
434      UpdateWindow (hwnd);  
435        if (cmdline) {
436      if (!first_start && !start_gpgprefs) {          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {
437          gnupg_backup_options (1);              gpg_set_debug_mode (1);
438          gnupg_backup_options (0);              winpt_debug_msg ();
439                        debug = 1;
440          rc = check_crypto_engine ();          }
441          if (rc) {      }
442              DestroyWindow (hwnd);  
443              free_gnupg_table ();      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
444              return 0;      rc = RegisterClass (&wc);
445          }      if (rc == FALSE) {
446      }          msg_box (NULL, _("Could not register window class"),
447                         _("WinPT Error"), MB_ERR);
448      if (start_gpgprefs) {          free_gnupg_table ();
449          char *ring;          return 0;
450          size_t size = 0;      }
451          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,  
452                          gpgprefs_dlg_proc, NULL);      hwnd = CreateWindow (PGM_NAME,
453          ring = get_gnupg_keyring (0, !NO_STRICT);                           PGM_NAME,
454          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)                           0, 0, 0, 0, 0,
455              first_start = 1; /* The keyring is empty! */                           NULL,
456          free_if_alloc (ring);                           NULL,
457      }                           hinst,
458                             NULL);
459      if (first_start) {      if (hwnd == NULL) {
460          struct first_start_s fs;          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
461          struct genkey_s c;          free_gnupg_table ();
462          HWND h;          return 0;
463  start:      }
464          h = GetDesktopWindow ();      glob_hwnd = hwnd;
465          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,      UpdateWindow (hwnd);
466                              gpgprefs_dlg_proc, NULL);  
467          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,      if (!first_start && !start_gpgprefs) {
468                          first_run_dlg_proc, (LPARAM)&fs);          gnupg_backup_options ();        
469          switch (fs.choice) {          rc = check_crypto_engine ();
470          case SETUP_KEYGEN:          if (rc) {
471              c.interactive = 1;              DestroyWindow (hwnd);
472              c.first_start = 1;              free_gnupg_table ();
473              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,              return 0;
474                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);          }
475              if (!rc)      }
476                  goto start;      
477              break;      if (start_gpgprefs) {
478            char *ring;
479          case SETUP_IMPORT:          size_t size = 0;
480              rc = gnupg_copy_keyrings ();          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
481              if (rc) {                          gpgprefs_dlg_proc, NULL);
482                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          ring = get_gnupg_keyring (0, !NO_STRICT);
483                  goto start;          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
484              }              first_start = 1; /* The keyring is empty! */
485              break;          free_if_alloc (ring);
486        }
487          case -1:  
488              DestroyWindow (hwnd);      if (first_start) {
489              free_gnupg_table ();          struct first_start_s fs;
490              return 0;          struct genkey_s c;
491          }          HWND h;
492          update_keycache (hwnd);  start:
493          check_crypto_engine ();          h = GetDesktopWindow ();
494      }          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
495      else {                              gpgprefs_dlg_proc, NULL);
496          gpgme_keycache_t c;          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
497          update_keycache (hwnd);                          first_run_dlg_proc, (LPARAM)&fs);
498          c = keycache_get_ctx (1);          switch (fs.choice) {
499          if (!c || !gpgme_keycache_count (c)) {          case SETUP_KEYGEN:
500              gnupg_display_error ();              c.interactive = 1;
501              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"              c.first_start = 1;
502                               "Please check your GPG config (keyrings, pathes...)"),              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
503                               _("WinPT Error"), MB_ERR);                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);
504              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"              if (!rc)
505                                    "Do you want to start the GPG preferences dialog?"),                  goto start;
506                              "WinPT", MB_INFO|MB_YESNO);              break;
507              if (ec == IDYES) {  
508                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          case SETUP_IMPORT:
509                                  gpgprefs_dlg_proc, NULL);              rc = gnupg_copy_keyrings ();
510                  update_keycache (hwnd);              if (rc) {
511              }                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
512              else {                  goto start;
513                  DestroyWindow (hwnd);              }
514                  free_gnupg_table ();              break;
515                  return 0;  
516              }          case -1:
517          }              DestroyWindow (hwnd);
518          if (check_default_key (c)) {              free_gnupg_table ();
519              char * p = get_gnupg_default_key ();              return 0;
520              log_box (_("WinPT Error"), MB_ERR,          }
521                       _("Default key from the GPG options file could not be found.\n"          update_keycache (hwnd);
522                         "Please check your gpg.conf (options) to correct this:\n\n"          check_crypto_engine ();
523                         "%s: public key not found."), p? p : "[null]");      }
524              free_if_alloc (p);      else {
525              DestroyWindow (hwnd);          gpg_keycache_t c;
526              free_gnupg_table ();          update_keycache (hwnd);
527              return 0;          c = keycache_get_ctx (1);
528          }          if (!c || !gpg_keycache_get_size (c)) {
529          if (count_insecure_elgkeys ())              gnupg_display_error ();
530              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
531                              elgamal_warn_dlg_proc, NULL);                               "Please check your GPG config (keyrings, pathes...)"),
532      }                               _("WinPT Error"), MB_ERR);
533                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
534      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);                                    "Do you want to start the GPG preferences dialog?"),
535      keyring_check_last_access (); /* init */                              "WinPT", MB_INFO|MB_YESNO);
536      while (GetMessage (&msg, hwnd, 0, 0)) {              if (ec == IDYES) {
537          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
538              TranslateMessage (&msg);                                  gpgprefs_dlg_proc, NULL);
539              DispatchMessage (&msg);                  update_keycache (hwnd);
540          }              }
541      }              else {
542                            DestroyWindow (hwnd);
543      return 0;                  free_gnupg_table ();
544  } /* WinMain */                  return 0;
545                }
546            }
547            if (check_default_key (c)) {
548                char * p = get_gnupg_default_key ();
549                log_box (_("WinPT Error"), MB_ERR,
550                         _("Default key from the GPG options file could not be found.\n"
551                           "Please check your gpg.conf (options) to correct this:\n\n"
552                           "%s: public key not found."), p? p : "[null]");
553                free_if_alloc (p);
554                DestroyWindow (hwnd);
555                free_gnupg_table ();
556                return 0;
557            }
558            if (count_insecure_elgkeys ())
559                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
560                                elgamal_warn_dlg_proc, NULL);
561        }
562    
563        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
564        keyring_check_last_access (); /* init */
565        while (GetMessage (&msg, hwnd, 0, 0)) {
566            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
567                TranslateMessage (&msg);
568                DispatchMessage (&msg);
569            }
570        }
571            
572        return 0;
573    }
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