/[winpt]/trunk/Src/WinPT.cpp
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revision 24 by twoaday, Sat Oct 8 10:43:08 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 "wptCardEdit.h"  #include "wptNLS.h"
37    #include "wptKeyserver.h"
38  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptCard.h"
39  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptFileManager.h"
40  HWND activ_hwnd;  #include "wptContext.h"
41  LOCK mo_file;  #include "wptCardEdit.h"
42  int scard_support = 0;  
43  int debug = 0;  
44  int mobile = 0;  #define MIN_GPG_VER   "1.4.3"   /* Minimal GPG version. */
45  int gpg_read_only = 0;  #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */
46  char gpgver[3];  #define MIN_PTD_VER   "0.8.1"   /* Minimal PTD version. */
47    
48  /* Internal IPC */  
49  int start_keymanager = 0;  HINSTANCE glob_hinst;   /* global instance for the dialogs */
50    HWND glob_hwnd;         /* global window handle for the dialogs */
51  static void  HWND activ_hwnd;
52  update_keycache (HWND hwnd)  LOCK mo_file;
53  {  int scard_support = 0;
54      refresh_cache_s rcs = {0};  int debug = 0;
55      rcs.kr_reload = 0;  int mobile = 0;
56      rcs.kr_update = 1;  int gpg_read_only = 0;
57      rcs.tr_update = 1;  char gpgver[3];
58      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  
59                      keycache_dlg_proc, (LPARAM)&rcs);  
60  } /* update_keycache */  /* Load the key cache and rebuild the signature cache. */
61    static void
62    update_keycache (HWND hwnd)
63  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */  {
64  void      refresh_cache_s rcs = {0};
65  gpg_set_debug_mode (int val)      rcs.kr_reload = 0;
66  {            rcs.kr_update = 1;
67      if (val)      rcs.tr_update = 1;
68          putenv ("GPGME_DEBUG=5:gpgme.dbg");      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
69      else                      keycache_dlg_proc, (LPARAM)&rcs);
70          putenv ("GPGME_DEBUG=");  }
71  }  
72    
73  static char *  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
74  get_gettext_lang (void)  void
75  {      gpg_set_debug_mode (int val)
76      char * fname;  {      
77      fname = get_reg_entry_mo ();      if (val)
78      if (!fname)          putenv ("GPGME_DEBUG=5:gpgme.dbg");
79          return NULL;      else
80      return fname;          putenv ("GPGME_DEBUG=");
81  } /* get_gettext_lang */  }
82    
83    
84  static void  /* Return the name of the gettext language file. */
85  load_gettext (void)  static char*
86  {  get_gettext_lang (void)
87      char *nls = NULL;  {    
88      char *file = NULL;      char *fname;
89        fname = get_reg_entry_mo ();
90      nls = get_gettext_lang ();      if (!fname)
91      if (nls) {          return NULL;
92          set_gettext_file ("winpt", nls);      return fname;
93          file = make_filename (nls, "winpt", "mo");  }
94          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  
95              msg_box (NULL, _("Could not initizalize file lock.\n"  
96                               "Native Language Support"),  /* Initialize the gettext sub system. */
97                       _("WinPT Error"), MB_ERR);  static void
98          }  load_gettext (int prev_inst)
99          free_if_alloc (nls);  {
100          free_if_alloc (file);      char *nls = NULL;
101      }      char *file = NULL;
102  } /* load_gettext */  
103        nls = get_gettext_lang ();
104        if (nls) {
105  /* check if the default key from the gpg.conf file is available in the          set_gettext_file ("winpt", nls);
106     keyring. if not, bail out because encryption won't work properly then. */          file = make_filename (nls, "winpt", "mo");
107  static int          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
108  check_default_key (gpgme_keycache_t kc)              if (!prev_inst)
109  {                  msg_box (NULL, _("Could not initizalize file lock.\n"
110      gpgme_key_t key;                                   "Native Language Support"),
111      gpgme_error_t err = GPG_ERR_NO_ERROR;                           _("WinPT Error"), MB_ERR);
112      char * defkey;          }
113            free_if_alloc (nls);
114      defkey = get_gnupg_default_key ();          free_if_alloc (file);
115      if (defkey)      }
116          err = gpgme_keycache_find_key (kc, defkey, 0, &key);  }
117      free_if_alloc (defkey);  
118      return err? -1 : 0;  
119  } /* check_default_key */  /* check if the default key from the gpg.conf file is available in the
120       keyring. if not, bail out because encryption won't work properly then. */
121    static int
122  /* Return the WinPT program file name (with full pathname). */  check_default_key (gpg_keycache_t kc)
123  static const char *  {
124  get_prog_part (const char * fname, int use_cwd)      gpgme_key_t key;
125  {      gpgme_error_t err = GPG_ERR_NO_ERROR;
126      static char program[1024];      char * defkey;
127      char currdir[256], * cmd = NULL;  
128      int j;      defkey = get_gnupg_default_key ();
129                if (defkey)
130      memset (currdir, 0, DIM (currdir));          err = gpg_keycache_find_key (kc, defkey, 0, &key);
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=3; /* GPG 1.4.3 */
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: 1.9 or >= 1.4 */
191      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      if (ma >= 1 && mi >= 4)
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    /* Main entry point. */
242      s = PTD_get_version ();  int WINAPI
243      if (strcmp (s, "0.8.0")) {  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
244          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,  {
245                   _("Please update your PTD.dll to the newest version, "      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
246                     "the version (%s) you use is too old."), s);      HACCEL accel_tab;
247          return 0;      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;
248      }      int first_start = 0, start_gpgprefs = 0;
249        int winpt_inst_found = 0;
250      if (gpg_md_selftest ()) {      const char *s;
251          msg_box (NULL, _("Cryptographic selftest failed."),      MSG msg;
252                   _("WinPT Error"), MB_ERR);      HWND hwnd = NULL;
253          return 0;  
254      }      glob_hinst = hinst;
255    
256      s = gpgme_check_version ("1.1.0");      #ifdef _DEBUG
257      if (!s || !*s) {      gpg_set_debug_mode (1);
258          msg_box (NULL, _("A newer GPGME version is needed."), "WinPT Error", MB_ERR);      debug = 1;
259          return 0;      #endif
260      }  
261        s = PTD_get_version ();
262      if (cmdline && stristr (cmdline, "--mobile")) {      if (strcmp (s, MIN_PTD_VER)) {
263          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,
264                   "WinPT", MB_INFO);                   _("Please update your PTD.dll to the newest version, "
265          mobile = 1;                     "the version (%s) you use is too old."), s);
266      }          return 0;
267        }
268      set_default_kserver ();  
269        if (gpg_md_selftest ()) {
270      if (!mobile) {          msg_box (NULL, _("Cryptographic selftest failed."),
271          regist_inst_gnupg (1);                   _("WinPT Error"), MB_ERR);
272          regist_inst_winpt (1, &created);          return 0;
273      }      }
274      else {  
275          enable_mobile_mode ();      s = gpgme_check_version (MIN_GPGME_VER);
276          /* XXX: ask for GPG path */      if (!s || !*s) {
277          created = 1; /* Disable registry writing */          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
278      }                   _("WinPT Error"), MB_ERR);
279            return 0;
280      if (!created) {      }
281          memset (&reg_prefs, 0, sizeof (reg_prefs));  
282          reg_prefs.use_tmpfiles = 1; /* default */      CreateMutex (NULL, TRUE, PGM_NAME);
283          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      if (GetLastError () == ERROR_ALREADY_EXISTS)
284          get_reg_winpt_prefs (&reg_prefs);          winpt_inst_found = 1;
285          if (!reg_prefs.no_hotkeys)  
286              hotkeys_modify ();      if (cmdline && stristr (cmdline, "--mobile")) {
287      }          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
288                     "WinPT", MB_INFO);
289      rc = gnupg_check_homedir ();          mobile = 1;
290      if (rc) {      }
291          log_box (_("WinPT Error"), MB_ERR,  
292                   _("GPG home directory is not set correctly.\n"      set_default_kserver ();
293                     "Please check the GPG registry settings:\n%s."),  
294                   winpt_strerror (rc));      if (!mobile) {
295          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,          regist_inst_gnupg (1);
296                                             _("Select GPG Public Keyring"),          regist_inst_winpt (1, &created);
297                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),      }
298                                             NULL);      else {
299          if (s != NULL) {          enable_mobile_mode ();
300              size_t n;          /* XXX: ask for GPG path */
301              char * p = strrchr (s, '\\');          created = 1; /* Disable registry writing */
302              if (!p)      }
303                  BUG (0);  
304              n = p - s;      if (!created) {
305              if (n)          memset (&reg_prefs, 0, sizeof (reg_prefs));
306              {          reg_prefs.use_tmpfiles = 1; /* default */
307                  char * file = new char[n+1];          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
308                  if (!file)          get_reg_winpt_prefs (&reg_prefs);
309                      BUG (NULL);          if (!reg_prefs.no_hotkeys)
310                  memset (file, 0, n);              hotkeys_modify ();
311                  memcpy (file, s, n);      }
312                  file[n] = '\0';          
313                  set_reg_entry_gpg ("HomeDir", file);      rc = gnupg_check_homedir ();
314                  free_if_alloc (file);      if (rc) {
315                  gnupg_check_homedir (); /* change gpgProgram if needed */          log_box (_("WinPT Error"), MB_ERR,
316              }                   _("GPG home directory is not set correctly.\n"
317          }                     "Please check the GPG registry settings:\n%s."),
318          else {                   winpt_strerror (rc));
319              msg_box (NULL, _("GPG home directory could not be determited."),          const char * s = get_fileopen_dlg (GetActiveWindow (),
320                       _("WinPT Error"), MB_ERR);                                             _("Select GPG Public Keyring"),
321              goto start;                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
322          }                                             NULL);
323      }          if (s != NULL) {
324                size_t n;
325      rc = check_gnupg_prog ();              char * p = strrchr (s, '\\');
326      if (rc) {              if (!p)
327          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"                  BUG (0);
328                               "Do you want to start the GPG preferences to "              n = p - s;
329                               "correct  this problem?"), _("WinPT Error"),              if (n) {
330                               MB_INFO|MB_YESNO) == IDYES)                  char * file = new char[n+1];
331              start_gpgprefs = 1;                  if (!file)
332          else                      BUG (NULL);
333          {                  memset (file, 0, n);
334              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                  memcpy (file, s, n);
335              return 0;                  file[n] = '\0';        
336          }                  set_reg_entry_gpg ("HomeDir", file);
337      }                  free_if_alloc (file);
338                    gnupg_check_homedir (); /* change gpgProgram if needed */
339      rc = gnupg_access_files ();              }
340      if (!start_gpgprefs && rc)          }
341      {          else {
342          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)              msg_box (NULL, _("GPG home directory could not be determited."),
343          {                       _("WinPT Error"), MB_ERR);
344              ec = msg_box (NULL,              goto start;
345                  _("Could not access and/or find the public and secret keyring.\n"          }
346                    "If this is an accident, quit the program and fix it.\n\n"      }
347                    "Continue if you want that WinPT offers you more choices.\n"),  
348                    "WinPT", MB_INFO|MB_YESNO);      rc = check_gnupg_prog ();
349              if (ec == IDYES)      if (rc) {
350                  first_start = 1;          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
351          }                               "Do you want to start the GPG preferences to "
352          if (!first_start)                               "correct  this problem?"), _("WinPT Error"),
353          {                               MB_INFO|MB_YESNO) == IDYES)
354              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);              start_gpgprefs = 1;
355              return 0;          else
356          }          {
357      }              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
358                return 0;
359      if (!first_start)          }
360      {      }
361          rc = gpg_check_permissions (1);  
362          if (rc && rc == 2)      rc = gnupg_access_files ();
363              gpg_read_only = 1;      if (!start_gpgprefs && rc) {
364          else if (rc)          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_gettext ();                    "Continue if you want that WinPT offers you more choices.\n"),
369      init_gnupg_table ();                    "WinPT", MB_INFO|MB_YESNO);
370                if (ec == IDYES)
371      nfiles = fm_parse_command_line (cmdline);                  first_start = 1;
372      if (nfiles > 0)          }
373          return 0;          if (!first_start) {
374                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
375      if (cmdline && stristr (cmdline, "--wipe-freespace")) {              return 0;
376          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,          }
377                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,      }
378                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);  
379          free_gnupg_table ();      if (!first_start) {
380          return 0;          rc = gpg_check_permissions (1);
381      }          if (rc && rc == 2)
382                gpg_read_only = 1;
383      load_keyserver_conf (cmdline? 1 : 0);          else if (rc)
384      if (start_keymanager) {              return 0;
385          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      }
386                              GetDesktopWindow(), keymanager_dlg_proc, NULL,  
387                              _("Key Manager"), IDS_WINPT_KEYMISC);      load_gettext (winpt_inst_found);
388          keycache_release ();      init_gnupg_table ();
389          free_gnupg_table ();  
390          return 0;      nfiles = fm_parse_command_line (cmdline);
391      }      if (nfiles > 0) {
392            free_gnupg_table ();
393      if (cmdline && (stristr (cmdline, "--keymanager")          return 0;
394                  || stristr (cmdline, "--cardmanager"))) {      }
395          update_keycache (GetDesktopWindow ());  
396          if (stristr (cmdline, "keymanager"))      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
397              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
398                              GetDesktopWindow(), keymanager_dlg_proc, NULL,                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,
399                              _("Key Manager"), IDS_WINPT_KEYMISC);                                _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
400          else {          free_gnupg_table ();
401              gpg_card_t crd = smartcard_init ();          return 0;
402              if (crd)      }
403                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,  
404                                    GetDesktopWindow(), card_edit_dlg_proc,      load_keyserver_conf (cmdline? 1 : 0);
405                                    (LPARAM)crd, _("Card Manager"),  
406                                    IDS_WINPT_CARD_EDIT);      if (cmdline && (stristr (cmdline, "--keymanager")
407              gpg_card_release (crd);                  || stristr (cmdline, "--cardmanager"))) {
408          }          update_keycache (GetDesktopWindow ());
409          keycache_release ();          if (stristr (cmdline, "keymanager"))
410          free_gnupg_table ();              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,
411          return 0;                              GetDesktopWindow(), keymanager_dlg_proc, NULL,
412      }                              _("Key Manager"), IDS_WINPT_KEYMISC);  
413            else {
414      CreateMutex (NULL, TRUE, PGM_NAME);              gpg_card_t crd = gpg_card_load ();
415      if (GetLastError () == ERROR_ALREADY_EXISTS) {              if (crd)
416          free_gnupg_table ();                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,
417          return 0;                                    GetDesktopWindow(), card_edit_dlg_proc,
418      }                                    (LPARAM)crd, _("Card Manager"),
419                                      IDS_WINPT_CARD_EDIT);
420      if (cmdline) {              gpg_card_release (crd);
421          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {          }
422              gpg_set_debug_mode (1);          keycache_release (0);
423              winpt_debug_msg ();          free_gnupg_table ();
424              debug = 1;          return 0;
425          }      }
426      }  
427        /* If we found another WinPT instance, just quit to avoid it
428      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));         will be executed twice. */
429      rc = RegisterClass (&wc);      if (winpt_inst_found) {
430      if (rc == FALSE) {          log_debug ("%s", "WinMain: WinPT is already running.");
431          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);          free_gnupg_table ();
432          free_gnupg_table ();          return 0;
433          return 0;      }
434      }  
435        if (cmdline) {
436      hwnd = CreateWindow (PGM_NAME,          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {
437                           PGM_NAME,              gpg_set_debug_mode (1);
438                           0, 0, 0, 0, 0,              winpt_debug_msg ();
439                           NULL,              debug = 1;
440                           NULL,          }
441                           hinst,      }
442                           NULL);  
443      if (hwnd == NULL) {      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
444          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);      rc = RegisterClass (&wc);
445          free_gnupg_table ();      if (rc == FALSE) {
446          return 0;          msg_box (NULL, _("Could not register window class"),
447      }                   _("WinPT Error"), MB_ERR);
448      glob_hwnd = hwnd;          free_gnupg_table ();
449      UpdateWindow (hwnd);          return 0;
450        }
451      if (!first_start && !start_gpgprefs) {  
452          gnupg_backup_options ();              hwnd = CreateWindow (PGM_NAME,
453          rc = check_crypto_engine ();                           PGM_NAME,
454          if (rc) {                           0, 0, 0, 0, 0,
455              DestroyWindow (hwnd);                           NULL,
456              free_gnupg_table ();                           NULL,
457              return 0;                           hinst,
458          }                           NULL);
459      }      if (hwnd == NULL) {
460                msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
461      if (start_gpgprefs) {          free_gnupg_table ();
462          char *ring;          return 0;
463          size_t size = 0;      }
464          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      glob_hwnd = hwnd;
465                          gpgprefs_dlg_proc, NULL);      UpdateWindow (hwnd);
466          ring = get_gnupg_keyring (0, !NO_STRICT);  
467          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)      if (!first_start && !start_gpgprefs) {
468              first_start = 1; /* The keyring is empty! */          gnupg_backup_options ();        
469          free_if_alloc (ring);          rc = check_crypto_engine ();
470      }          if (rc) {
471                DestroyWindow (hwnd);
472      if (first_start) {              free_gnupg_table ();
473          struct first_start_s fs;              return 0;
474          struct genkey_s c;          }
475          HWND h;      }
476  start:      
477          h = GetDesktopWindow ();      if (start_gpgprefs) {
478          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,          char *ring;
479                              gpgprefs_dlg_proc, NULL);          size_t size = 0;
480          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
481                          first_run_dlg_proc, (LPARAM)&fs);                          gpgprefs_dlg_proc, NULL);
482          switch (fs.choice) {          ring = get_gnupg_keyring (0, !NO_STRICT);
483          case SETUP_KEYGEN:          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
484              c.interactive = 1;              first_start = 1; /* The keyring is empty! */
485              c.first_start = 1;          free_if_alloc (ring);
486              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,      }
487                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);  
488              if (!rc)      if (first_start) {
489                  goto start;          struct first_start_s fs;
490              break;          struct genkey_s c;
491            HWND h;
492          case SETUP_IMPORT:  start:
493              rc = gnupg_copy_keyrings ();          h = GetDesktopWindow ();
494              if (rc) {          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
495                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                              gpgprefs_dlg_proc, NULL);
496                  goto start;          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
497              }                          first_run_dlg_proc, (LPARAM)&fs);
498              break;          switch (fs.choice) {
499            case SETUP_KEYGEN:
500          case -1:              c.interactive = 1;
501              DestroyWindow (hwnd);              c.first_start = 1;
502              free_gnupg_table ();              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
503              return 0;                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);
504          }              if (!rc)
505          update_keycache (hwnd);                  goto start;
506          check_crypto_engine ();              break;
507      }  
508      else {          case SETUP_IMPORT:
509          gpgme_keycache_t c;              rc = gnupg_copy_keyrings ();
510          update_keycache (hwnd);              if (rc) {
511          c = keycache_get_ctx (1);                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
512          if (!c || !gpgme_keycache_count (c)) {                  goto start;
513              gnupg_display_error ();              }
514              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"              break;
515                               "Please check your GPG config (keyrings, pathes...)"),  
516                               _("WinPT Error"), MB_ERR);          case -1:
517              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"              DestroyWindow (hwnd);
518                                    "Do you want to start the GPG preferences dialog?"),              free_gnupg_table ();
519                              "WinPT", MB_INFO|MB_YESNO);              return 0;
520              if (ec == IDYES) {          }
521                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          update_keycache (hwnd);
522                                  gpgprefs_dlg_proc, NULL);          check_crypto_engine ();
523                  update_keycache (hwnd);      }
524              }      else {
525              else {          gpg_keycache_t c;
526                  DestroyWindow (hwnd);          update_keycache (hwnd);
527                  free_gnupg_table ();          c = keycache_get_ctx (1);
528                  return 0;          if (!c || !gpg_keycache_get_size (c)) {
529              }              gnupg_display_error ();
530          }              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
531          if (check_default_key (c)) {                               "Please check your GPG config (keyrings, pathes...)"),
532              char * p = get_gnupg_default_key ();                               _("WinPT Error"), MB_ERR);
533              log_box (_("WinPT Error"), MB_ERR,              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
534                       _("Default key from the GPG options file could not be found.\n"                                    "Do you want to start the GPG preferences dialog?"),
535                         "Please check your gpg.conf (options) to correct this:\n\n"                              "WinPT", MB_INFO|MB_YESNO);
536                         "%s: public key not found."), p? p : "[null]");              if (ec == IDYES) {
537              free_if_alloc (p);                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
538              DestroyWindow (hwnd);                                  gpgprefs_dlg_proc, NULL);
539              free_gnupg_table ();                  update_keycache (hwnd);
540              return 0;              }
541          }              else {
542          if (count_insecure_elgkeys ())                  DestroyWindow (hwnd);
543              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,                  free_gnupg_table ();
544                              elgamal_warn_dlg_proc, NULL);                  return 0;
545      }              }
546            }
547      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);          if (check_default_key (c)) {
548      keyring_check_last_access (); /* init */              char * p = get_gnupg_default_key ();
549      while (GetMessage (&msg, hwnd, 0, 0)) {              log_box (_("WinPT Error"), MB_ERR,
550          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {                       _("Default key from the GPG options file could not be found.\n"
551              TranslateMessage (&msg);                         "Please check your gpg.conf (options) to correct this:\n\n"
552              DispatchMessage (&msg);                         "%s: public key not found."), p? p : "[null]");
553          }              free_if_alloc (p);
554      }              DestroyWindow (hwnd);
555                        free_gnupg_table ();
556      return 0;              return 0;
557  } /* WinMain */          }
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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