/[winpt]/trunk/Src/WinPT.cpp
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revision 24 by twoaday, Sat Oct 8 10:43:08 2005 UTC revision 87 by twoaday, Mon Nov 21 11:44:25 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 "wptCardEdit.h"  #include "wptKeyserver.h"
37    #include "wptCard.h"
38  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptFileManager.h"
39  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptContext.h"
40  HWND activ_hwnd;  #include "wptCardEdit.h"
41  LOCK mo_file;  #include "wptCrypto.h"
42  int scard_support = 0;  
43  int debug = 0;  #define MIN_GPG_VER   "1.4.2"   /* Minimal GPG version. */
44  int mobile = 0;  #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */
45  int gpg_read_only = 0;  
46  char gpgver[3];  
47    HINSTANCE glob_hinst;   /* global instance for the dialogs */
48  /* Internal IPC */  HWND glob_hwnd;         /* global window handle for the dialogs */
49  int start_keymanager = 0;  HWND activ_hwnd;
50    LOCK mo_file;
51  static void  int scard_support = 0;
52  update_keycache (HWND hwnd)  int debug = 0;
53  {  int mobile = 0;
54      refresh_cache_s rcs = {0};  int gpg_read_only = 0;
55      rcs.kr_reload = 0;  char gpgver[3];
56      rcs.kr_update = 1;  
57      rcs.tr_update = 1;  
58      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  /* Load the key cache and rebuild the signature cache. */
59                      keycache_dlg_proc, (LPARAM)&rcs);  static void
60  } /* update_keycache */  update_keycache (HWND hwnd)
61    {
62        refresh_cache_s rcs = {0};
63  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */      rcs.kr_reload = 0;
64  void      rcs.kr_update = 1;
65  gpg_set_debug_mode (int val)      rcs.tr_update = 1;
66  {            DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
67      if (val)                      keycache_dlg_proc, (LPARAM)&rcs);
68          putenv ("GPGME_DEBUG=5:gpgme.dbg");  }
69      else  
70          putenv ("GPGME_DEBUG=");  
71  }  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
72    void
73  static char *  gpg_set_debug_mode (int val)
74  get_gettext_lang (void)  {      
75  {          if (val)
76      char * fname;          putenv ("GPGME_DEBUG=5:gpgme.dbg");
77      fname = get_reg_entry_mo ();      else
78      if (!fname)          putenv ("GPGME_DEBUG=");
79          return NULL;  }
80      return fname;  
81  } /* get_gettext_lang */  
82    /* Return the name of the gettext language file. */
83    static char*
84  static void  get_gettext_lang (void)
85  load_gettext (void)  {    
86  {      char *fname;
87      char *nls = NULL;      fname = get_reg_entry_mo ();
88      char *file = NULL;      if (!fname)
89            return NULL;
90      nls = get_gettext_lang ();      return fname;
91      if (nls) {  }
92          set_gettext_file ("winpt", nls);  
93          file = make_filename (nls, "winpt", "mo");  
94          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  /* Initialize the gettext sub system. */
95              msg_box (NULL, _("Could not initizalize file lock.\n"  static void
96                               "Native Language Support"),  load_gettext (int prev_inst)
97                       _("WinPT Error"), MB_ERR);  {
98          }      char *nls = NULL;
99          free_if_alloc (nls);      char *file = NULL;
100          free_if_alloc (file);  
101      }      nls = get_gettext_lang ();
102  } /* load_gettext */      if (nls) {
103            set_gettext_file ("winpt", nls);
104            file = make_filename (nls, "winpt", "mo");
105  /* check if the default key from the gpg.conf file is available in the          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
106     keyring. if not, bail out because encryption won't work properly then. */              if (!prev_inst)
107  static int                  msg_box (NULL, _("Could not initizalize file lock.\n"
108  check_default_key (gpgme_keycache_t kc)                                   "Native Language Support"),
109  {                           _("WinPT Error"), MB_ERR);
110      gpgme_key_t key;          }
111      gpgme_error_t err = GPG_ERR_NO_ERROR;          free_if_alloc (nls);
112      char * defkey;          free_if_alloc (file);
113        }
114      defkey = get_gnupg_default_key ();  }
115      if (defkey)  
116          err = gpgme_keycache_find_key (kc, defkey, 0, &key);  
117      free_if_alloc (defkey);  /* check if the default key from the gpg.conf file is available in the
118      return err? -1 : 0;     keyring. if not, bail out because encryption won't work properly then. */
119  } /* check_default_key */  static int
120    check_default_key (gpg_keycache_t kc)
121    {
122  /* Return the WinPT program file name (with full pathname). */      gpgme_key_t key;
123  static const char *      gpgme_error_t err = GPG_ERR_NO_ERROR;
124  get_prog_part (const char * fname, int use_cwd)      char * defkey;
125  {  
126      static char program[1024];      defkey = get_gnupg_default_key ();
127      char currdir[256], * cmd = NULL;      if (defkey)
128      int j;          err = gpg_keycache_find_key (kc, defkey, 0, &key);
129                else
130      memset (currdir, 0, DIM (currdir));          msg_box (NULL, _("No useable secret key found."), _("WinPT Error"), MB_ERR);
131      memset (program, 0, DIM (program));      free_if_alloc (defkey);
132                return err? -1 : 0;
133      if (use_cwd) {  }
134          GetCurrentDirectory (DIM (currdir)-1, currdir);  
135          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);  
136      }  /* Return the WinPT program file name (with full pathname). */
137      else {  static const char *
138          cmd = GetCommandLine ();  get_prog_part (const char * fname, int use_cwd)
139          if (cmd == NULL)  {
140              return NULL;      static char program[512];
141          strncpy (currdir, cmd, 255);      char currdir[256];
142          j = strlen (currdir);      char *cmd = NULL;
143          while (j--) {      int j;
144              if (currdir[j] == '\\')          
145                  break;                memset (currdir, 0, DIM (currdir));
146          }      memset (program, 0, DIM (program));
147          currdir[j] = 0;          
148          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);      if (use_cwd) {
149      }          GetCurrentDirectory (DIM (currdir)-1, currdir);
150      return program;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
151  } /* get_prog_part */      }
152        else {
153            cmd = GetCommandLine ();
154  static int          if (cmd == NULL)
155  check_crypto_engine (void)              return NULL;
156  {          strncpy (currdir, cmd, sizeof (currdir)-1);
157      int ma=1, mi=4, pa=0; /* GPG 1.4.0 */          j = strlen (currdir);
158      int rc;          while (j--) {
159                if (currdir[j] == '\\')
160      rc = check_gnupg_engine (&ma, &mi, &pa);                  break;
161      if (rc == -1) {          }
162          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);          currdir[j] = 0;
163          return rc;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
164      }      }
165      else if (rc) {      return program;
166          log_box (_("WinPT Error"), MB_ERR,  }
167                   _("Sorry, you need a newer GPG version.\n"  
168                     "GPG version %d.%d.%d required GPG version 1.4.0"),  
169                     ma, mi, pa);  /* Check that the underlying crypto engine fullfills the minimal
170          return rc;     requirements so all commands work properly. */
171      }  static int
172      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */  check_crypto_engine (void)
173      if (ma >= 1 && mi >= 4)  {
174          scard_support = 1;      int ma=1, mi=4, pa=2; /* GPG 1.4.2 */
175        int rc;
176      gpgver[0] = ma;  
177      gpgver[1] = mi;      rc = check_gnupg_engine (&ma, &mi, &pa);
178      gpgver[2] = pa;      if (rc == -1) {
179      return rc;          msg_box (NULL, _("Could not read GnuPG version."),
180  } /* check_crypto_engine */                   _("WinPT Error"), MB_ERR);
181            return rc;
182        }
183  static int      else if (rc) {
184  load_keyserver_conf (int quiet)          log_box (_("WinPT Error"), MB_ERR,
185  {                   _("Sorry, you need a newer GPG version.\n"
186      const char * t;                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
187      int rc;                     ma, mi, pa);
188            return rc;
189      if (reg_prefs.kserv_conf)      }
190          t = reg_prefs.kserv_conf;      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
191      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      if (ma > 1 || pa >= 3)
192          t = get_prog_part ("keyserver.conf", 0);          scard_support = 1;
193      else  
194          t = "keyserver.conf";      gpgver[0] = ma;
195      rc = kserver_load_conf (t);      gpgver[1] = mi;
196      if (rc && !quiet)      gpgver[2] = pa;
197          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);      return rc;
198      return rc;  }
199  }  
200    
201    /* Try to load the keyserver config file. If @quiet is 1
202  static void     do not show any errors. */
203  enable_mobile_mode (void)  static int
204  {  load_keyserver_conf (int quiet)
205      memset (&reg_prefs, 0, sizeof (reg_prefs));  {
206      reg_prefs.always_trust = 0;      const char * t;
207      reg_prefs.auto_backup = 0;      int rc;
208      reg_prefs.cache_time = 0;  
209      reg_prefs.expert = 0;      if (reg_prefs.kserv_conf)
210      reg_prefs.keylist_mode = 1;          t = reg_prefs.kserv_conf;
211      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
212      reg_prefs.no_zip_mmedia = 1;          t = get_prog_part ("keyserver.conf", 0);
213      reg_prefs.use_tmpfiles = 1;      else
214      reg_prefs.word_wrap = 80;          t = "keyserver.conf";
215      reg_prefs.use_viewer = 0; /* XXX */      rc = kserver_load_conf (t);
216  }      if (rc && !quiet)
217            msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
218  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      return rc;
219    }
220  int WINAPI  
221  #ifndef WINPT_IPC  
222  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)  /* Enable the mobility mode. */
223  #else  static void
224  win_main (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)  enable_mobile_mode (void)
225  #endif  {
226  {      memset (&reg_prefs, 0, sizeof (reg_prefs));
227      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      reg_prefs.always_trust = 0;
228      HACCEL accel_tab;      reg_prefs.auto_backup = 0;
229      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;      reg_prefs.cache_time = 0;
230      int first_start = 0, start_gpgprefs = 0;      reg_prefs.expert = 0;
231      const char * s;      reg_prefs.keylist_mode = 1;
232      MSG msg;      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
233      HWND hwnd = NULL;      reg_prefs.no_zip_mmedia = 1;
234        reg_prefs.use_tmpfiles = 1;
235      glob_hinst = hinst;      reg_prefs.word_wrap = 80;
236        reg_prefs.use_viewer = 0; /* XXX */
237      #ifdef _DEBUG  }
238      gpg_set_debug_mode (1);  
239      debug = 1;  char* multi_gnupg_path (void);
240      #endif  
241    const char * fm_get_file_type (const char *fname, int *r_type);
242      s = PTD_get_version ();  
243      if (strcmp (s, "0.8.0")) {  /* Main entry point. */
244          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,  int WINAPI
245                   _("Please update your PTD.dll to the newest version, "  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
246                     "the version (%s) you use is too old."), s);  {
247          return 0;      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
248      }      HACCEL accel_tab;
249        int rc, ec, created = 0, nfiles = 0;
250      if (gpg_md_selftest ()) {      int first_start = 0, start_gpgprefs = 0;
251          msg_box (NULL, _("Cryptographic selftest failed."),      int winpt_inst_found = 0;
252                   _("WinPT Error"), MB_ERR);      const char *s;
253          return 0;      MSG msg;
254      }      HWND hwnd = NULL;
255    
256      s = gpgme_check_version ("1.1.0");      glob_hinst = hinst;
257      if (!s || !*s) {  
258          msg_box (NULL, _("A newer GPGME version is needed."), "WinPT Error", MB_ERR);      if (cmdline && stristr (cmdline, "--stop")) {
259          return 0;          hwnd = FindWindow ("WinPT", "WinPT");
260      }          if (hwnd != NULL)
261                PostMessage (hwnd, WM_DESTROY, 0, 0);
262      if (cmdline && stristr (cmdline, "--mobile")) {          return 0;
263          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",      }
264                   "WinPT", MB_INFO);      
265          mobile = 1;  #ifdef _DEBUG
266      }      gpg_set_debug_mode (1);
267        debug = 1;
268      set_default_kserver ();  #endif
269    
270      if (!mobile) {      if (gpg_md_selftest ()) {
271          regist_inst_gnupg (1);          msg_box (NULL, _("Cryptographic selftest failed."),
272          regist_inst_winpt (1, &created);                   _("WinPT Error"), MB_ERR);
273      }          return 0;
274      else {      }
275          enable_mobile_mode ();  
276          /* XXX: ask for GPG path */      s = gpgme_check_version (MIN_GPGME_VER);
277          created = 1; /* Disable registry writing */      if (!s || !*s) {
278      }          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
279                     _("WinPT Error"), MB_ERR);
280      if (!created) {          return 0;
281          memset (&reg_prefs, 0, sizeof (reg_prefs));      }
282          reg_prefs.use_tmpfiles = 1; /* default */  
283          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      CreateMutex (NULL, TRUE, PGM_NAME);
284          get_reg_winpt_prefs (&reg_prefs);      if (GetLastError () == ERROR_ALREADY_EXISTS)
285          if (!reg_prefs.no_hotkeys)          winpt_inst_found = 1;
286              hotkeys_modify ();  
287      }      if (cmdline && stristr (cmdline, "--mobile")) {
288            msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
289      rc = gnupg_check_homedir ();                   "WinPT", MB_INFO);
290      if (rc) {          mobile = 1;
291          log_box (_("WinPT Error"), MB_ERR,      }
292                   _("GPG home directory is not set correctly.\n"  
293                     "Please check the GPG registry settings:\n%s."),      set_default_kserver ();
294                   winpt_strerror (rc));  
295          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,      if (!mobile) {
296                                             _("Select GPG Public Keyring"),          regist_inst_gnupg (1);
297                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),          regist_inst_winpt (1, &created);
298                                             NULL);      }
299          if (s != NULL) {      else {
300              size_t n;          enable_mobile_mode ();
301              char * p = strrchr (s, '\\');          /* XXX: ask for GPG path */
302              if (!p)          created = 1; /* Disable registry writing */
303                  BUG (0);      }
304              n = p - s;  
305              if (n)      if (!created) {
306              {          memset (&reg_prefs, 0, sizeof (reg_prefs));
307                  char * file = new char[n+1];          reg_prefs.use_tmpfiles = 1; /* default */
308                  if (!file)          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
309                      BUG (NULL);          get_reg_winpt_prefs (&reg_prefs);
310                  memset (file, 0, n);          if (!reg_prefs.no_hotkeys)
311                  memcpy (file, s, n);              hotkeys_modify ();
312                  file[n] = '\0';                  gnupg_load_config ();
313                  set_reg_entry_gpg ("HomeDir", file);      }
314                  free_if_alloc (file);  
315                  gnupg_check_homedir (); /* change gpgProgram if needed */      rc = gnupg_check_homedir ();
316              }      if (rc) {
317          }          log_box (_("WinPT Error"), MB_ERR,
318          else {                   _("GPG home directory is not set correctly.\n"
319              msg_box (NULL, _("GPG home directory could not be determited."),                     "Please check the GPG registry settings:\n%s."),
320                       _("WinPT Error"), MB_ERR);                   winpt_strerror (rc));
321              goto start;          s = get_fileopen_dlg (GetActiveWindow (),
322          }                                _("Select GPG Public Keyring"),
323      }                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
324                                  NULL);
325      rc = check_gnupg_prog ();          if (s != NULL) {
326      if (rc) {              size_t n;
327          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"              char * p = strrchr (s, '\\');
328                               "Do you want to start the GPG preferences to "              if (!p)
329                               "correct  this problem?"), _("WinPT Error"),                  BUG (0);
330                               MB_INFO|MB_YESNO) == IDYES)              n = p - s;
331              start_gpgprefs = 1;              if (n) {
332          else                  char * file = new char[n+1];
333          {                  if (!file)
334              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                      BUG (NULL);
335              return 0;                  memset (file, 0, n);
336          }                  memcpy (file, s, n);
337      }                  file[n] = '\0';        
338                    set_reg_entry_gpg ("HomeDir", file);
339      rc = gnupg_access_files ();                  free_if_alloc (file);
340      if (!start_gpgprefs && rc)                  gnupg_check_homedir (); /* change gpgProgram if needed */
341      {              }
342          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)          }
343          {          else {
344              ec = msg_box (NULL,              msg_box (NULL, _("GPG home directory could not be determited."),
345                  _("Could not access and/or find the public and secret keyring.\n"                       _("WinPT Error"), MB_ERR);
346                    "If this is an accident, quit the program and fix it.\n\n"              goto start;
347                    "Continue if you want that WinPT offers you more choices.\n"),          }
348                    "WinPT", MB_INFO|MB_YESNO);      }
349              if (ec == IDYES)  
350                  first_start = 1;      rc = check_gnupg_prog ();
351          }      if (rc) {
352          if (!first_start)          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
353          {                               "Do you want to start the GPG preferences to "
354              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                               "correct  this problem?"), _("WinPT Error"),
355              return 0;                               MB_INFO|MB_YESNO) == IDYES)
356          }              start_gpgprefs = 1;
357      }          else
358            {
359      if (!first_start)              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
360      {              return 0;
361          rc = gpg_check_permissions (1);          }
362          if (rc && rc == 2)      }
363              gpg_read_only = 1;  
364          else if (rc)      rc = gnupg_access_files ();
365              return 0;      if (!start_gpgprefs && rc) {
366      }          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
367                ec = msg_box (NULL,
368      load_gettext ();                  _("Could not access and/or find the public and secret keyring.\n"
369      init_gnupg_table ();                    "If this is an accident, quit the program and fix it.\n\n"
370                      "Continue if you want that WinPT offers you more choices.\n"),
371      nfiles = fm_parse_command_line (cmdline);                    "WinPT", MB_INFO|MB_YESNO);
372      if (nfiles > 0)              if (ec == IDYES)
373          return 0;                  first_start = 1;
374            }
375      if (cmdline && stristr (cmdline, "--wipe-freespace")) {          if (!first_start) {
376          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
377                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,              return 0;
378                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);          }
379          free_gnupg_table ();      }
380          return 0;  
381      }      if (!first_start) {
382            rc = gpg_check_permissions (1);
383      load_keyserver_conf (cmdline? 1 : 0);          if (rc && rc == 2)
384      if (start_keymanager) {              gpg_read_only = 1;
385          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,          else if (rc)
386                              GetDesktopWindow(), keymanager_dlg_proc, NULL,              return 0;
387                              _("Key Manager"), IDS_WINPT_KEYMISC);      }
388          keycache_release ();  
389          free_gnupg_table ();      load_gettext (winpt_inst_found);
390          return 0;      init_gnupg_table ();
391      }  
392        nfiles = fm_parse_command_line (cmdline);
393      if (cmdline && (stristr (cmdline, "--keymanager")      if (nfiles > 0) {
394                  || stristr (cmdline, "--cardmanager"))) {          free_gnupg_table ();
395          update_keycache (GetDesktopWindow ());          return 0;
396          if (stristr (cmdline, "keymanager"))      }
397              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,  
398                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
399                              _("Key Manager"), IDS_WINPT_KEYMISC);            dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
400          else {                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
401              gpg_card_t crd = smartcard_init ();                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
402              if (crd)          free_gnupg_table ();
403                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,          return 0;
404                                    GetDesktopWindow(), card_edit_dlg_proc,      }
405                                    (LPARAM)crd, _("Card Manager"),  
406                                    IDS_WINPT_CARD_EDIT);      load_keyserver_conf (cmdline? 1 : 0);
407              gpg_card_release (crd);  
408          }      if (cmdline && (stristr (cmdline, "--keymanager")
409          keycache_release ();                  || stristr (cmdline, "--cardmanager"))) {
410          free_gnupg_table ();          update_keycache (GetDesktopWindow ());
411          return 0;          if (stristr (cmdline, "keymanager"))
412      }              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,
413                                GetDesktopWindow(), keymanager_dlg_proc, 0,
414      CreateMutex (NULL, TRUE, PGM_NAME);                              _("Key Manager"), IDS_WINPT_KEYMISC);  
415      if (GetLastError () == ERROR_ALREADY_EXISTS) {          else {
416          free_gnupg_table ();              gpg_card_t crd = gpg_card_load ();
417          return 0;              if (crd)
418      }                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,
419                                      GetDesktopWindow(), card_edit_dlg_proc,
420      if (cmdline) {                                    (LPARAM)crd, _("Card Manager"),
421          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {                                    IDS_WINPT_CARD_EDIT);
422              gpg_set_debug_mode (1);              gpg_card_release (crd);
423              winpt_debug_msg ();          }
424              debug = 1;          keycache_release (0);
425          }          free_gnupg_table ();
426      }          return 0;
427        }
428      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));  
429      rc = RegisterClass (&wc);      /* If we found another WinPT instance, just quit to avoid it
430      if (rc == FALSE) {         will be executed twice. */
431          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);      if (winpt_inst_found) {
432          free_gnupg_table ();          log_debug ("%s", "WinMain: WinPT is already running.");
433          return 0;          free_gnupg_table ();
434      }          return 0;
435        }
436      hwnd = CreateWindow (PGM_NAME,  
437                           PGM_NAME,      if (cmdline) {
438                           0, 0, 0, 0, 0,          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {
439                           NULL,              gpg_set_debug_mode (1);
440                           NULL,              winpt_debug_msg ();
441                           hinst,              debug = 1;
442                           NULL);          }
443      if (hwnd == NULL) {      }
444          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);  
445          free_gnupg_table ();      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
446          return 0;      rc = RegisterClass (&wc);
447      }      if (rc == FALSE) {
448      glob_hwnd = hwnd;          msg_box (NULL, _("Could not register window class"),
449      UpdateWindow (hwnd);                   _("WinPT Error"), MB_ERR);
450            free_gnupg_table ();
451      if (!first_start && !start_gpgprefs) {          return 0;
452          gnupg_backup_options ();              }
453          rc = check_crypto_engine ();  
454          if (rc) {      hwnd = CreateWindow (PGM_NAME,
455              DestroyWindow (hwnd);                           PGM_NAME,
456              free_gnupg_table ();                           0, 0, 0, 0, 0,
457              return 0;                           NULL,
458          }                           NULL,
459      }                           hinst,
460                                 NULL);
461      if (start_gpgprefs) {      if (hwnd == NULL) {
462          char *ring;          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
463          size_t size = 0;          free_gnupg_table ();
464          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          return 0;
465                          gpgprefs_dlg_proc, NULL);      }
466          ring = get_gnupg_keyring (0, !NO_STRICT);      glob_hwnd = hwnd;
467          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)      UpdateWindow (hwnd);
468              first_start = 1; /* The keyring is empty! */  
469          free_if_alloc (ring);      if (!first_start && !start_gpgprefs) {
470      }          gnupg_backup_options ();        
471            rc = check_crypto_engine ();
472      if (first_start) {          if (rc) {
473          struct first_start_s fs;              DestroyWindow (hwnd);
474          struct genkey_s c;              free_gnupg_table ();
475          HWND h;              return 0;
476  start:          }
477          h = GetDesktopWindow ();      }
478          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,      
479                              gpgprefs_dlg_proc, NULL);      if (start_gpgprefs) {
480          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,          char *ring;
481                          first_run_dlg_proc, (LPARAM)&fs);  
482          switch (fs.choice) {          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
483          case SETUP_KEYGEN:                          gpgprefs_dlg_proc, 0);
484              c.interactive = 1;          ring = get_gnupg_keyring (0, !NO_STRICT);
485              c.first_start = 1;          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
486              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,              first_start = 1; /* The keyring is empty! */
487                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);          free_if_alloc (ring);
488              if (!rc)      }
489                  goto start;  
490              break;      if (first_start) {
491            struct first_start_s fs;
492          case SETUP_IMPORT:          struct genkey_s c;
493              rc = gnupg_copy_keyrings ();          HWND h;
494              if (rc) {  start:
495                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          h = GetDesktopWindow ();
496                  goto start;          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
497              }                              gpgprefs_dlg_proc, 0);
498              break;          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
499                            first_run_dlg_proc, (LPARAM)&fs);
500          case -1:          switch (fs.choice) {
501              DestroyWindow (hwnd);          case SETUP_KEYGEN:
502              free_gnupg_table ();              c.interactive = 1;
503              return 0;              c.first_start = 1;
504          }              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
505          update_keycache (hwnd);                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);
506          check_crypto_engine ();              if (!rc)
507      }                  goto start;
508      else {              break;
509          gpgme_keycache_t c;  
510          update_keycache (hwnd);          case SETUP_IMPORT:
511          c = keycache_get_ctx (1);              rc = gnupg_copy_keyrings ();
512          if (!c || !gpgme_keycache_count (c)) {              if (rc) {
513              gnupg_display_error ();                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
514              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"                  goto start;
515                               "Please check your GPG config (keyrings, pathes...)"),              }
516                               _("WinPT Error"), MB_ERR);              break;
517              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"  
518                                    "Do you want to start the GPG preferences dialog?"),          case -1:
519                              "WinPT", MB_INFO|MB_YESNO);              DestroyWindow (hwnd);
520              if (ec == IDYES) {              free_gnupg_table ();
521                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,              return 0;
522                                  gpgprefs_dlg_proc, NULL);          }
523                  update_keycache (hwnd);          update_keycache (hwnd);
524              }          check_crypto_engine ();
525              else {      }
526                  DestroyWindow (hwnd);      else {
527                  free_gnupg_table ();          gpg_keycache_t c;
528                  return 0;          update_keycache (hwnd);
529              }          c = keycache_get_ctx (1);
530          }          if (!c || !gpg_keycache_get_size (c)) {
531          if (check_default_key (c)) {              gnupg_display_error ();
532              char * p = get_gnupg_default_key ();              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
533              log_box (_("WinPT Error"), MB_ERR,                               "Please check your GPG config (keyrings, pathes...)"),
534                       _("Default key from the GPG options file could not be found.\n"                               _("WinPT Error"), MB_ERR);
535                         "Please check your gpg.conf (options) to correct this:\n\n"              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
536                         "%s: public key not found."), p? p : "[null]");                                    "Do you want to start the GPG preferences dialog?"),
537              free_if_alloc (p);                              "WinPT", MB_INFO|MB_YESNO);
538              DestroyWindow (hwnd);              if (ec == IDYES) {
539              free_gnupg_table ();                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
540              return 0;                                  gpgprefs_dlg_proc, 0);
541          }                  update_keycache (hwnd);
542          if (count_insecure_elgkeys ())              }
543              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              else {
544                              elgamal_warn_dlg_proc, NULL);                  DestroyWindow (hwnd);
545      }                  free_gnupg_table ();
546                    return 0;
547      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);              }
548      keyring_check_last_access (); /* init */          }
549      while (GetMessage (&msg, hwnd, 0, 0)) {          if (check_default_key (c)) {
550          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {              char * p = get_gnupg_default_key ();
551              TranslateMessage (&msg);              log_box (_("WinPT Error"), MB_ERR,
552              DispatchMessage (&msg);                       _("Default key from the GPG options file could not be found.\n"
553          }                         "Please check your gpg.conf (options) to correct this:\n\n"
554      }                         "%s: public key not found."), p? p : "[null]");
555                        free_if_alloc (p);
556      return 0;              DestroyWindow (hwnd);
557  } /* WinMain */              free_gnupg_table ();
558                return 0;
559            }
560            if (count_insecure_elgkeys ())
561                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
562                                elgamal_warn_dlg_proc, 0);
563        }
564    
565        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
566        keyring_check_last_access (); /* init */
567        while (GetMessage (&msg, hwnd, 0, 0)) {
568            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
569                TranslateMessage (&msg);
570                DispatchMessage (&msg);
571            }
572        }
573            
574        return 0;
575    }
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