/[winpt]/trunk/Src/WinPT.cpp
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revision 20 by twoaday, Wed Jul 27 11:17:22 2005 UTC revision 133 by twoaday, Mon Jan 9 09:15:29 2006 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) 2000-2006 Timo Schulz
3   *   *
4   * This file is part of WinPT.   * This file is part of WinPT.
5   *   *
6   * WinPT is free software; you can redistribute it and/or modify   * WinPT is free software; you can redistribute it and/or modify
7   * it under the terms of the GNU General Public License as published by   * it under the terms of the GNU General Public License as published by
8   * the Free Software Foundation; either version 2 of the License, or   * the Free Software Foundation; either version 2 of the License, or
9   * (at your option) any later version.   * (at your option) any later version.
10   *   *
11   * WinPT is distributed in the hope that it will be useful,   * WinPT is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   * GNU General Public License for more details.   * GNU General Public License for more details.
15   *   *
16   * You should have received a copy of the GNU General Public License   * You should have received a copy of the GNU General Public License
17   * along with WinPT; if not, write to the Free Software Foundation,   * along with WinPT; if not, write to the Free Software Foundation,
18   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19   */   */
20  #include <windows.h>  #ifdef HAVE_CONFIG_H
21    #include <config.h>
22  #include "../resource.h"  #endif
23  #include "wptTypes.h"  
24  #include "wptW32API.h"  #include <windows.h>
25  #include "wptVersion.h"  
26  #include "wptErrors.h"  #include "resource.h"
27  #include "wptGPG.h"  #include "wptTypes.h"
28  #include "wptRegistry.h"  #include "wptW32API.h"
29  #include "wptCommonCtl.h"  #include "wptVersion.h"
30  #include "wptDlgs.h"  #include "wptErrors.h"
31  #include "wptNLS.h"  #include "wptGPG.h"
32  #include "wptKeyserver.h"  #include "wptRegistry.h"
33  #include "wptCard.h"  #include "wptCommonCtl.h"
34  #include "wptFileManager.h"  #include "wptDlgs.h"
35  #include "wptContext.h"  #include "wptNLS.h"
36    #include "wptKeyserver.h"
37  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptCard.h"
38  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptFileManager.h"
39  HWND activ_hwnd;  #include "wptContext.h"
40  LOCK mo_file;  #include "wptCardEdit.h"
41  int scard_support = 0;  #include "wptCrypto.h"
42  int debug = 0;  
43  int mobile = 0;  #define MIN_GPG_VER   "1.4.2"   /* Minimal GPG version. */
44  int gpg_read_only = 0;  #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */
45  char gpgver[3];  
46    
47  /* Internal IPC */  HINSTANCE glob_hinst;   /* global instance for the dialogs */
48  int start_keymanager = 0;  HWND glob_hwnd;         /* global window handle for the dialogs */
49    HWND activ_hwnd;
50  static void  LOCK mo_file;
51  update_keycache (HWND hwnd)  int scard_support = 0;
52  {  int debug = 0;
53      refresh_cache_s rcs = {0};  int mobile = 0;
54      rcs.kr_reload = 0;  int gpg_read_only = 0;
55      rcs.kr_update = 1;  char gpgver[3];
56      rcs.tr_update = 1;  
57      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  
58                      keycache_dlg_proc, (LPARAM)&rcs);  /* Load the key cache and rebuild the signature cache. */
59  } /* update_keycache */  static void
60    update_keycache (HWND hwnd)
61    {
62  static char *      refresh_cache_s rcs = {0};
63  get_gettext_lang (void)      rcs.kr_reload = 0;
64  {          rcs.kr_update = 1;
65      char * fname;      rcs.tr_update = 1;
66      fname = get_reg_entry_mo ();      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
67      if (!fname)                      keycache_dlg_proc, (LPARAM)&rcs);
68          return NULL;  }
69      return fname;  
70  } /* get_gettext_lang */  
71    /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
72    void
73  static void  gpg_set_debug_mode (int val)
74  load_gettext (void)  {      
75  {      if (val)
76      char * nls = NULL;          putenv ("GPGME_DEBUG=5:gpgme.dbg");
77      char * file = NULL;      else
78            putenv ("GPGME_DEBUG=");
79      nls = get_gettext_lang ();  }
80      if (nls) {  
81          set_gettext_file ("winpt", nls);  
82          file = make_filename (nls, "winpt", "mo");  /* Return the name of the gettext language file. */
83          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  static char*
84              msg_box (NULL, _("Could not initizalize file lock.\n"  get_gettext_lang (void)
85                               "Native Language Support"),  {    
86                       _("WinPT Error"), MB_ERR);      char *fname;
87          }      fname = get_reg_entry_mo ();
88          free_if_alloc (nls);      if (!fname)
89          free_if_alloc (file);          return NULL;
90      }      return fname;
91  } /* load_gettext */  }
92    
93    
94  /* check if the default key from the gpg.conf file is available in the  /* Initialize the gettext sub system. */
95     keyring. if not, bail out because encryption won't work properly then. */  static void
96  static int  load_gettext (int prev_inst)
97  check_default_key (gpgme_keycache_t kc)  {
98  {      char *nls = NULL;
99      gpgme_key_t key;      char *file = NULL;
100      gpgme_error_t err = GPGME_No_Error;  
101      char * defkey;      nls = get_gettext_lang ();
102        if (nls) {
103      defkey = get_gnupg_default_key ();          set_gettext_file ("winpt", nls);
104      if (defkey)          file = make_filename (nls, "winpt", "mo");
105          err = gpgme_keycache_find_key (kc, defkey, 0, &key);          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
106      free_if_alloc (defkey);              if (!prev_inst)
107      return err? -1 : 0;                  msg_box (NULL, _("Could not initizalize file lock.\n"
108  } /* check_default_key */                                   "Native Language Support"),
109                             _("WinPT Error"), MB_ERR);
110            }
111  /* Return the WinPT program file name (with full pathname). */          free_if_alloc (nls);
112  static const char *          free_if_alloc (file);
113  get_prog_part (const char * fname, int use_cwd)      }
114  {  }
115      static char program[1024];  
116      char currdir[256], * cmd = NULL;  
117      int j;  /* Load the GPG environment. On the first start, some
118               checks are performed to find out in what state GPG is.
119      memset (currdir, 0, DIM (currdir));     Return value: 0  everything OK.
120      memset (program, 0, DIM (program));                   >0  fatal error.
121                             -1 public keyring is empty or does not exist. */
122      if (use_cwd) {  static int
123          GetCurrentDirectory (DIM (currdir)-1, currdir);  load_gpg_env (void)
124          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);  {
125      }      SECURITY_ATTRIBUTES sec_attr;
126      else {      char *p;
127          cmd = GetCommandLine ();      char *pkr;
128          if (cmd == NULL)  
129              return NULL;      p = get_reg_entry_gpg4win ("gpg.exe");
130          strncpy (currdir, cmd, 255);      if (!p)
131          j = strlen (currdir);          return (1);
132          while (j--) {      if (file_exist_check (p)) {
133              if (currdir[j] == '\\')          free_if_alloc (p);
134                  break;                    return (1);
135          }      }
136          currdir[j] = 0;      free_if_alloc (p);
137          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);      p = multi_gnupg_path (0);
138      }      if (p && dir_exist_check (p)) {
139      return program;          memset (&sec_attr, 0, sizeof (sec_attr));
140  } /* get_prog_part */          sec_attr.nLength = sizeof (sec_attr);
141            if (!CreateDirectory (p, &sec_attr)) {
142                msg_box (NULL, _("Could not create GPG home directory"),
143  static int                       _("WinPT Error"), MB_ERR);
144  check_crypto_engine (void)              free_if_alloc (p);
145  {              return (2);
146      int ma=1, mi=4, pa=0; /* GPG 1.4.0 */          }
147      int rc;      }
148        pkr = make_filename (p, "pubring", "gpg");
149      rc = check_gnupg_engine (&ma, &mi, &pa);      free_if_alloc (p);
150      if (rc == -1) {      if (!pkr)
151          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);          return -1;
152          return rc;      if (get_file_size (pkr) == 0) {
153      }          free_if_alloc (pkr);
154      else if (rc) {          return -1;
155          log_box (_("WinPT Error"), MB_ERR,      }
156                   _("Sorry, you need a newer GPG version.\n"      return 0;
157                     "GPG version %d.%d.%d required GPG version 1.4.0"),  }
158                     ma, mi, pa);  
159          return rc;  
160      }  /* check if the default key from the gpg.conf file is available in the
161      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */     keyring. if not, bail out because encryption won't work properly then. */
162      if (ma >= 1 && mi >= 4)  static int
163          scard_support = 1;  check_default_key (gpg_keycache_t kc)
164    {
165      gpgver[0] = ma;      gpgme_key_t key;
166      gpgver[1] = mi;      gpgme_error_t err = GPG_ERR_NO_ERROR;
167      gpgver[2] = pa;      char *defkey;
168      return rc;  
169  } /* check_crypto_engine */      defkey = get_gnupg_default_key ();
170        if (defkey)
171            err = gpg_keycache_find_key (kc, defkey, 0, &key);
172  static int      else
173  load_keyserver_conf (int quiet)          msg_box (NULL, _("No useable secret key found."),
174  {                   _("WinPT Error"), MB_ERR);
175      const char * t;      free_if_alloc (defkey);
176      int rc;      return err? -1 : 0;
177    }
178      if (reg_prefs.kserv_conf)  
179          t = reg_prefs.kserv_conf;  
180      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))  /* Return the WinPT program file name (with full pathname). */
181          t = get_prog_part ("keyserver.conf", 0);  static const char*
182      else  get_prog_part (const char * fname, int use_cwd)
183          t = "keyserver.conf";  {
184      rc = kserver_load_conf (t);      static char program[512];
185      if (rc && !quiet)      char currdir[256];
186          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);      char *cmd = NULL;
187      return rc;      int j;
188  }          
189        memset (currdir, 0, DIM (currdir));
190        memset (program, 0, DIM (program));
191  static void          
192  enable_mobile_mode (void)      if (use_cwd) {
193  {          GetCurrentDirectory (DIM (currdir)-1, currdir);
194      memset (&reg_prefs, 0, sizeof (reg_prefs));          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
195      reg_prefs.always_trust = 0;      }
196      reg_prefs.auto_backup = 0;      else {
197      reg_prefs.cache_time = 0;          cmd = GetCommandLine ();
198      reg_prefs.expert = 0;          if (cmd == NULL)
199      reg_prefs.keylist_mode = 1;              return NULL;
200      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");          strncpy (currdir, cmd, sizeof (currdir)-1);
201      reg_prefs.no_zip_mmedia = 1;          j = strlen (currdir);
202      reg_prefs.use_tmpfiles = 1;          while (j--) {
203      reg_prefs.word_wrap = 80;              if (currdir[j] == '\\')
204      reg_prefs.use_viewer = 0; /* XXX */                  break;
205  }          }
206            currdir[j] = 0;
207  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
208        }
209  int WINAPI      return program;
210  #ifndef WINPT_IPC  }
211  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)  
212  #else  
213  win_main (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)  /* Check that the underlying crypto engine fullfills the minimal
214  #endif     requirements so all commands work properly. */
215  {  static bool
216      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};  check_crypto_engine (void)
217      HACCEL accel_tab;  {
218      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;      int ma=1, mi=4, pa=2; /* GPG 1.4.2 */
219      int first_start = 0, start_gpgprefs = 0;      int rc;
220      const char * s;  
221      MSG msg;      rc = check_gnupg_engine (&ma, &mi, &pa);
222      HWND hwnd;      if (rc == -1) {
223            msg_box (NULL, _("Could not read GnuPG version."),
224      glob_hinst = hinst;                   _("WinPT Error"), MB_ERR);
225                return false;
226      gpgme_lib_init ();      }
227      #ifdef _DEBUG      else if (rc) {
228      gpgme_set_debug_mode (1);          log_box (_("WinPT Error"), MB_ERR,
229      #endif                   _("Sorry, you need a newer GPG version.\n"
230      gpgme_set_pgm_string ("WinPT "PGM_VERSION);                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
231                       ma, mi, pa);
232      s = PTD_get_version ();          return false;
233      if (strcmp (s, "0.8.0")) {      }
234          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
235                   _("Please update your PTD.dll to the newest version, "      if (ma > 1 || pa >= 3)    
236                     "the version (%s) you use is too old."), s);          scard_support = 1;
237          return 0;  
238      }      gpgver[0] = ma;
239        gpgver[1] = mi;
240      if (gpg_md_selftest ()) {      gpgver[2] = pa;
241          msg_box (NULL, _("Cryptographic selftest failed."),      return true;
242                   _("WinPT Error"), MB_ERR);  }
243          return 0;  
244      }  
245    /* Try to load the keyserver config file. If @quiet is 1
246      if (cmdline && stristr (cmdline, "--mobile")) {     do not show any errors. */
247          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!", "WinPT", MB_INFO);  static int
248          mobile = 1;  load_keyserver_conf (int quiet)
249      }  {
250        const char *t;
251      set_default_kserver ();      int rc;
252    
253      if (!mobile) {      if (reg_prefs.kserv_conf)
254          regist_inst_gnupg (1);          t = reg_prefs.kserv_conf;
255          regist_inst_winpt (1, &created);      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
256      }          t = get_prog_part ("keyserver.conf", 0);
257      else {      else
258          enable_mobile_mode ();          t = "keyserver.conf";
259          /* XXX: ask for GPG path */      rc = kserver_load_conf (t);
260          created = 1; /* Disable registry writing */      if (rc && !quiet)
261      }          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
262        return rc;
263      if (!created) {  }
264          memset (&reg_prefs, 0, sizeof (reg_prefs));  
265          reg_prefs.use_tmpfiles = 1; /* default */  
266          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */  /* Check if both keyrings are empty. This indicates that
267          get_reg_winpt_prefs (&reg_prefs);     WinPT should offer to generate a key pair. */
268          if (!reg_prefs.no_hotkeys)  static bool
269              hotkeys_modify ();  check_for_empty_keyrings (bool pub_only)
270      }  {
271        char *p;
272      rc = gnupg_check_homedir ();      int n = 0;
273      if (rc) {  
274          log_box (_("WinPT Error"), MB_ERR,      p = get_gnupg_keyring (1, 0);
275                   _("GPG home directory is not set correctly.\n"      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
276                     "Please check the GPG registry settings:\n%s."),          n++;
277                   winpt_strerror (rc));      free_if_alloc (p);
278          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,      if (pub_only)
279                                             _("Select GPG Public Keyring"),          return n == 1? true : false;
280                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),      p = get_gnupg_keyring (0, 0);
281                                             NULL);      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
282          if (s && !file_exist_check (s))          n++;
283          {      free_if_alloc (p);
284              size_t n;      return n==2? true : false;
285              char * p = strrchr (s, '\\');  }
286              if (!p)  
287                  BUG (0);  
288              n = p - s;  /* Enable the mobility mode. */
289              if (n)  static void
290              {  enable_mobile_mode (void)
291                  char * file = new char[n+1];  {
292                  if (!file)      memset (&reg_prefs, 0, sizeof (reg_prefs));
293                      BUG (NULL);      reg_prefs.always_trust = 0;
294                  memset (file, 0, n);      reg_prefs.auto_backup = 0;
295                  memcpy (file, s, n);      reg_prefs.cache_time = 0;
296                  file[n] = '\0';              reg_prefs.expert = 0;
297                  set_reg_entry_gpg ("HomeDir", file);      reg_prefs.keylist_mode = 1;
298                  free_if_alloc (file);      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
299                  gnupg_check_homedir (); /* change gpgProgram if needed */      reg_prefs.no_zip_mmedia = 1;
300              }      reg_prefs.use_tmpfiles = 1;
301          }      reg_prefs.word_wrap = 80;
302          else {      reg_prefs.use_viewer = 0; /* XXX */
303              msg_box (NULL, _("GPG home directory could not be determited."),  }
304                       _("WinPT Error"), MB_ERR);  
305              goto start;  
306          }  /* Main entry point. */
307      }  int WINAPI
308    WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
309      rc = check_gnupg_prog ();  {
310      if (rc) {      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
311          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"      HACCEL accel_tab;
312                               "Do you want to start the GPG preferences to "      MSG msg;
313                               "correct  this problem?"), _("WinPT Error"),      HWND hwnd = NULL;
314                               MB_INFO|MB_YESNO) == IDYES)      WORD ver[3], ptdver[4];
315              start_gpgprefs = 1;      int rc, ec, created = 0;
316          else      int first_start = 0, start_gpgprefs = 0;
317          {      int winpt_inst_found = 0;
318              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      int start_manager = 0;
319              return 0;      const char *s;
320          }  
321      }      glob_hinst = hinst;
322        if (cmdline && stristr (cmdline, "--stop")) {
323      rc = gnupg_access_files ();          hwnd = FindWindow ("WinPT", "WinPT");
324      if (!start_gpgprefs && rc)          if (hwnd != NULL)
325      {              PostMessage (hwnd, WM_DESTROY, 0, 0);
326          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)          return 0;
327          {      }
328              ec = msg_box (NULL,  
329                  _("Could not access and/or find the public and secret keyring.\n"      /*
330                    "If this is an accident, quit the program and fix it.\n\n"      OSVERSIONINFO osinf;
331                    "Continue if you want that WinPT offers you more choices.\n"),      memset (&osinf, 0, sizeof (osinf));
332                    "WinPT", MB_INFO|MB_YESNO);      if (GetVersionEx (&osinf) &&
333              if (ec == IDYES)          osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
334                  first_start = 1;          osinf.dwMinorVersion == 0) {
335          }          msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
336          if (!first_start)                   "WinPT Warning", MB_INFO);
337          {      }
338              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      */
339              return 0;  
340          }      #ifdef _DEBUG
341      }      gpg_set_debug_mode (1);
342        debug = 1;
343      if (!first_start)      #endif
344      {  
345          rc = gpg_check_permissions (1);      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
346          if (rc && rc == 2)      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
347              gpg_read_only = 1;                                   &ptdver[2], &ptdver[3]);
348          else if (rc)      /* XXX
349              return 0;      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
350      }          log_box (_("WinPT Error"), MB_ERR,
351                     _("The PTD.dll file has a different version than WinPT.exe\n"
352      load_gettext ();                     "Please update the PTD.dll to version %d.%d.%d"),
353      init_gnupg_table ();                     ver[0], ver[1], ver[2]);
354            return 0;
355      nfiles = fm_parse_command_line (cmdline);      }
356      if (nfiles > 0)      */
357          return 0;  
358        if (gpg_md_selftest ()) {
359      if (cmdline && stristr (cmdline, "--wipe-freespace")) {          msg_box (NULL, _("Cryptographic selftest failed."),
360          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,                   _("WinPT Error"), MB_ERR);
361                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,          return 0;
362                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);      }
363          free_gnupg_table ();  
364          return 0;      s = gpgme_check_version (MIN_GPGME_VER);
365      }      if (!s || !*s) {
366            msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
367      load_keyserver_conf (cmdline? 1 : 0);                   _("WinPT Error"), MB_ERR);
368      if (start_keymanager) {          return 0;
369          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      }
370                              GetDesktopWindow(), keymanager_dlg_proc, NULL,  
371                              _("Key Manager"), IDS_WINPT_KEYMISC);      CreateMutex (NULL, TRUE, PGM_NAME);
372          keycache_release ();      if (GetLastError () == ERROR_ALREADY_EXISTS)
373          free_gnupg_table ();          winpt_inst_found = 1;
374          return 0;  
375      }      if (cmdline && stristr (cmdline, "--mobile")) {
376            msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
377      if (cmdline && (stristr (cmdline, "--keymanager")                   "WinPT", MB_INFO);
378                  || stristr (cmdline, "--cardmanager"))) {          mobile = 1;
379          update_keycache (GetDesktopWindow ());      }
380          if (stristr (cmdline, "keymanager"))  
381              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      set_default_kserver ();
382                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      load_gettext (winpt_inst_found);
383                              _("Key Manager"), IDS_WINPT_KEYMISC);    
384          else {      if (!mobile) {
385              gpgme_card_t crd = smartcard_init ();          regist_inst_gnupg (1);
386              if (crd)          regist_inst_winpt (1, &created);
387                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,      }
388                                    GetDesktopWindow(), card_edit_dlg_proc,      else {
389                                    (LPARAM)crd, _("Card Manager"),          enable_mobile_mode ();
390                                    IDS_WINPT_CARD_EDIT);          /* XXX: ask for GPG path */
391              gpgme_card_release (crd);          created = 1; /* Disable registry writing */
392          }      }
393          keycache_release ();  
394          free_gnupg_table ();      if (!created) {
395          return 0;          memset (&reg_prefs, 0, sizeof (reg_prefs));
396      }          reg_prefs.use_tmpfiles = 1; /* default */
397            reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
398      CreateMutex (NULL, TRUE, PGM_NAME);          get_reg_winpt_prefs (&reg_prefs);
399      if (GetLastError () == ERROR_ALREADY_EXISTS) {          if (!reg_prefs.no_hotkeys)
400          free_gnupg_table ();              hotkeys_modify ();
401          return 0;          gnupg_load_config ();
402      }      }
403    
404      if (cmdline) {      if (is_gpg4win_installed ())
405          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {          load_gpg_env (); /* XXX: check return code. */
406              gpgme_set_debug_mode (1);  
407              winpt_debug_msg ();      rc = gnupg_check_homedir ();
408              debug = 1;      if (rc) {
409          }          log_box (_("WinPT Error"), MB_ERR,
410      }                   _("GPG home directory is not set correctly.\n"
411                       "Please check the GPG registry settings:\n%s."),
412      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));                   winpt_strerror (rc));
413      rc = RegisterClass (&wc);          s = get_fileopen_dlg (GetActiveWindow (),
414      if (rc == FALSE) {                                _("Select GPG Public Keyring"),
415          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
416          free_gnupg_table ();                                NULL);
417          return 0;          if (s != NULL) {
418      }              size_t n;
419                char *p = strrchr (s, '\\');
420      hwnd = CreateWindow (PGM_NAME,              if (!p)
421                           PGM_NAME,                  BUG (0);
422                           0, 0, 0, 0, 0,              n = p - s;
423                           NULL,              if (n) {
424                           NULL,                  char *file = new char[n+1];
425                           hinst,                  if (!file)
426                           NULL);                      BUG (NULL);
427      if (hwnd == NULL) {                  memset (file, 0, n);
428          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);                  memcpy (file, s, n);
429          free_gnupg_table ();                  file[n] = '\0';        
430          return 0;                  set_reg_entry_gpg ("HomeDir", file);
431      }                  free_if_alloc (file);
432      glob_hwnd = hwnd;                  gnupg_check_homedir (); /* change gpgProgram if needed */
433      UpdateWindow (hwnd);              }
434            }
435      if (!first_start && !start_gpgprefs) {          else {
436          gnupg_backup_options (1);              msg_box (NULL, _("GPG home directory could not be determited."),
437          gnupg_backup_options (0);                       _("WinPT Error"), MB_ERR);
438                        goto start;
439          rc = check_crypto_engine ();          }
440          if (rc) {      }
441              DestroyWindow (hwnd);  
442              free_gnupg_table ();      rc = check_gnupg_prog ();
443              return 0;      if (rc) {
444          }          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
445      }                               "Do you want to start the GPG preferences to "
446                                 "correct  this problem?"), _("WinPT Error"),
447      if (start_gpgprefs)                               MB_INFO|MB_YESNO) == IDYES)
448      {              start_gpgprefs = 1;
449          char *ring;          else {
450          size_t size = 0;              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
451          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,              return 0;
452                          gpgprefs_dlg_proc, NULL);          }
453          ring = get_gnupg_keyring (0, !NO_STRICT);      }
454          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)  
455              first_start = 1; /* The keyring is empty! */      rc = gnupg_access_files ();
456          free_if_alloc (ring);      if (!start_gpgprefs && rc) {
457      }          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
458                ec = msg_box (NULL,
459      if (first_start) {                  _("Could not access and/or find the public and secret keyring.\n"
460          struct key_wizard_s c, dummy;                    "If this is an accident, quit the program and fix it.\n\n"
461  start:                    "Continue if you want that WinPT offers you more choices.\n"),
462          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, hwnd,                    "WinPT", MB_INFO|MB_YESNO);
463                          first_run_dlg_proc, (LPARAM)&dummy);              if (ec == IDYES)
464          switch (dummy.interactive)                  first_start = 1;
465          {          }
466          case SETUP_KEYGEN:          if (!first_start) {
467              c.interactive = 1;              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
468              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,              return 0;
469                                   hwnd, keygen_wizard_dlg_proc, (LPARAM)&c);          }
470              if (!rc)      }
471                  goto start;      if (check_for_empty_keyrings (false))
472              break;          first_start = 1;
473    
474          case SETUP_IMPORT:      if (!first_start) {
475              rc = gnupg_copy_keyrings ();          rc = gpg_check_permissions (1);
476              if (rc) {          if (rc && rc == 2)
477                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);              gpg_read_only = 1;
478                  goto start;          else if (rc)
479              }              return 0;
480              break;      }
481        
482          case SETUP_EXISTING:      init_gnupg_table ();
483              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,  
484                              gpgprefs_dlg_proc, NULL);      if (fm_parse_command_line (cmdline) > 0) {
485              break;          free_gnupg_table ();
486            return 0;
487          case -1:      }
488              DestroyWindow (hwnd);  
489              free_gnupg_table ();      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
490              return 0;          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
491          }                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
492          update_keycache (hwnd);                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
493          check_crypto_engine ();          free_gnupg_table ();
494      }          return 0;
495      else {      }
496          gpgme_keycache_t c;  
497          update_keycache (hwnd);      load_keyserver_conf (cmdline? 1 : 0);
498          c = keycache_get_ctx (1);  
499          if (!c || !gpgme_keycache_count (c)) {      if (cmdline && (stristr (cmdline, "--keymanager")
500              gnupg_display_error ();                  || stristr (cmdline, "--cardmanager"))) {
501              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"          /* If an instance of WinPT is running, just send the command
502                               "Please check your GPG config (keyrings, pathes...)"),             to open the key manager. Otherwise start a new instance.
503                               _("WinPT Error"), MB_ERR);           */
504              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"          HWND tray = FindWindow ("WinPT", "WinPT");
505                                    "Do you want to start the GPG preferences dialog?"),          if (stristr (cmdline, "keymanager"))
506                              "WinPT", MB_INFO|MB_YESNO);              start_manager = ID_WINPT_KEY;
507              if (ec == IDYES) {          else
508                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,              start_manager = ID_WINPT_CARD;
509                                  gpgprefs_dlg_proc, NULL);          if (tray != NULL) {
510                  update_keycache (hwnd);              PostMessage (tray, WM_COMMAND, start_manager, 0);
511              }              free_gnupg_table ();
512              else {              return 0;
513                  DestroyWindow (hwnd);          }
514                  free_gnupg_table ();      }
515                  return 0;  
516              }      /* If we found another WinPT instance, just quit to avoid it
517          }         will be executed twice. */
518          if (check_default_key (c)) {      if (winpt_inst_found) {
519              char * p = get_gnupg_default_key ();          log_debug ("%s", "WinMain: WinPT is already running.");
520              log_box (_("WinPT Error"), MB_ERR,          free_gnupg_table ();
521                       _("Default key from the GPG options file could not be found.\n"          return 0;
522                         "Please check your gpg.conf (options) to correct this:\n\n"      }
523                         "%s: public key not found."), p? p : "[null]");  
524              free_if_alloc (p);      if (cmdline) {
525              DestroyWindow (hwnd);          if (stristr (cmdline, "--enable-debug") ||
526              free_gnupg_table ();              stristr (cmdline, "--debug")) {
527              return 0;              gpg_set_debug_mode (1);
528          }              winpt_debug_msg ();
529          if (count_insecure_elgkeys ())              debug = 1;
530              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,          }
531                              elgamal_warn_dlg_proc, NULL);      }
532      }  
533        wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
534      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);      rc = RegisterClass (&wc);
535      keyring_check_last_access (); /* init */      if (rc == FALSE) {
536      while (GetMessage (&msg, hwnd, 0, 0)) {          msg_box (NULL, _("Could not register window class"),
537          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {                   _("WinPT Error"), MB_ERR);
538              TranslateMessage (&msg);          free_gnupg_table ();
539              DispatchMessage (&msg);          return 0;
540          }      }
541      }  
542                hwnd = CreateWindow (PGM_NAME,
543      return 0;                           PGM_NAME,
544  } /* WinMain */                           0, 0, 0, 0, 0,
545                             NULL,
546                             NULL,
547                             hinst,
548                             NULL);
549        if (hwnd == NULL) {
550            msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
551            free_gnupg_table ();
552            return 0;
553        }
554        glob_hwnd = hwnd;
555        UpdateWindow (hwnd);
556    
557        if (!first_start && !start_gpgprefs) {
558            gnupg_backup_options ();        
559            if (!check_crypto_engine ()) {
560                DestroyWindow (hwnd);
561                free_gnupg_table ();
562                return 0;
563            }
564        }
565        
566        if (start_gpgprefs) {
567            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
568                            gpgprefs_dlg_proc, 0);
569            if (check_for_empty_keyrings (true))
570                first_start = 1; /* The public keyring is empty! */
571        }
572    
573        if (first_start) {
574            struct first_start_s fs;
575            struct genkey_s c;
576            HWND h;
577    start:
578            h = GetDesktopWindow ();
579            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
580                                gpgprefs_dlg_proc, 0);
581            DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
582                            first_run_dlg_proc, (LPARAM)&fs);
583            switch (fs.choice) {
584            case SETUP_KEYGEN:
585                c.interactive = 1;
586                c.first_start = 1;
587                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
588                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
589                if (!rc)
590                    goto start;
591                break;
592    
593            case SETUP_IMPORT:
594                rc = gnupg_copy_keyrings ();
595                if (rc) {
596                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
597                    goto start;
598                }
599                break;
600    
601            case -1: /* Cancel/Abort. */
602                DestroyWindow (hwnd);
603                free_gnupg_table ();
604                return 0;
605            }
606            update_keycache (hwnd);
607            check_crypto_engine ();
608        }
609        else {
610            gpg_keycache_t c;
611            update_keycache (hwnd);
612            c = keycache_get_ctx (1);
613            if (!c || !gpg_keycache_get_size (c)) {
614                gnupg_display_error ();
615                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
616                                 "Please check your GPG config (keyrings, pathes...)"),
617                                 _("WinPT Error"), MB_ERR);
618                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
619                                      "Do you want to start the GPG preferences dialog?"),
620                                "WinPT", MB_INFO|MB_YESNO);
621                if (ec == IDYES) {
622                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
623                                    gpgprefs_dlg_proc, 0);
624                    update_keycache (hwnd);
625                }
626                else {
627                    DestroyWindow (hwnd);
628                    free_gnupg_table ();
629                    return 0;
630                }
631            }
632            if (check_default_key (c)) {
633                char *p = get_gnupg_default_key ();
634                log_box (_("WinPT Error"), MB_ERR,
635                         _("Default key from the GPG options file could not be found.\n"
636                           "Please check your gpg.conf (options) to correct this:\n\n"
637                           "%s: public key not found."), p? p : "[null]");
638                free_if_alloc (p);
639                DestroyWindow (hwnd);
640                free_gnupg_table ();
641                return 0;
642            }
643            if (count_insecure_elgkeys ())
644                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
645                                elgamal_warn_dlg_proc, 0);
646        }
647    
648        if (start_manager)
649            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
650    
651        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
652        keyring_check_last_access (); /* init */
653        while (GetMessage (&msg, hwnd, 0, 0)) {
654            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
655                TranslateMessage (&msg);
656                DispatchMessage (&msg);
657            }
658        }
659            
660        return 0;
661    }
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