/[winpt]/trunk/Src/WinPT.cpp
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revision 23 by twoaday, Fri Sep 30 10:10:16 2005 UTC revision 135 by twoaday, Mon Jan 9 09:50:55 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 "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 NEED_GPGME_VERSION /* 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  static char *      rcs.kr_reload = 0;
64  get_gettext_lang (void)      rcs.kr_update = 1;
65  {          rcs.tr_update = 1;
66      char * fname;      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
67      fname = get_reg_entry_mo ();                      keycache_dlg_proc, (LPARAM)&rcs);
68      if (!fname)  }
69          return NULL;  
70      return fname;  
71  } /* get_gettext_lang */  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
72    void
73    gpg_set_debug_mode (int val)
74  static void  {      
75  load_gettext (void)      if (val)
76  {          putenv ("GPGME_DEBUG=5:gpgme.dbg");
77      char * nls = NULL;      else
78      char * file = NULL;          putenv ("GPGME_DEBUG=");
79    }
80      nls = get_gettext_lang ();  
81      if (nls) {  
82          set_gettext_file ("winpt", nls);  /* Return the name of the gettext language file. */
83          file = make_filename (nls, "winpt", "mo");  static char*
84          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  get_gettext_lang (void)
85              msg_box (NULL, _("Could not initizalize file lock.\n"  {    
86                               "Native Language Support"),      char *fname;
87                       _("WinPT Error"), MB_ERR);      fname = get_reg_entry_mo ();
88          }      if (!fname)
89          free_if_alloc (nls);          return NULL;
90          free_if_alloc (file);      return fname;
91      }  }
92  } /* load_gettext */  
93    
94    /* Initialize the gettext sub system. */
95  /* check if the default key from the gpg.conf file is available in the  static void
96     keyring. if not, bail out because encryption won't work properly then. */  load_gettext (int prev_inst)
97  static int  {
98  check_default_key (gpgme_keycache_t kc)      char *nls = NULL;
99  {      char *file = NULL;
100      gpgme_key_t key;  
101      gpgme_error_t err = GPG_ERR_NO_ERROR;      nls = get_gettext_lang ();
102      char * defkey;      if (nls) {
103            set_gettext_file ("winpt", nls);
104      defkey = get_gnupg_default_key ();          file = make_filename (nls, "winpt", "mo");
105      if (defkey)          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
106          err = gpgme_keycache_find_key (kc, defkey, 0, &key);              if (!prev_inst)
107      free_if_alloc (defkey);                  msg_box (NULL, _("Could not initizalize file lock.\n"
108      return err? -1 : 0;                                   "Native Language Support"),
109  } /* check_default_key */                           _("WinPT Error"), MB_ERR);
110            }
111            free_if_alloc (nls);
112  /* Return the WinPT program file name (with full pathname). */          free_if_alloc (file);
113  static const char *      }
114  get_prog_part (const char * fname, int use_cwd)  }
115  {  
116      static char program[1024];  
117      char currdir[256], * cmd = NULL;  /* Load the GPG environment. On the first start, some
118      int j;     checks are performed to find out in what state GPG is.
119               Return value: 0  everything OK.
120      memset (currdir, 0, DIM (currdir));                   >0  fatal error.
121      memset (program, 0, DIM (program));                   -1 public keyring is empty or does not exist. */
122            static int
123      if (use_cwd) {  load_gpg_env (void)
124          GetCurrentDirectory (DIM (currdir)-1, currdir);  {
125          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      SECURITY_ATTRIBUTES sec_attr;
126      }      char *p;
127      else {      char *pkr;
128          cmd = GetCommandLine ();  
129          if (cmd == NULL)      p = get_reg_entry_gpg4win ("gpg.exe");
130              return NULL;      if (!p)
131          strncpy (currdir, cmd, 255);          return (1);
132          j = strlen (currdir);      if (file_exist_check (p)) {
133          while (j--) {          free_if_alloc (p);
134              if (currdir[j] == '\\')          return (1);
135                  break;                }
136          }      free_if_alloc (p);
137          currdir[j] = 0;      p = multi_gnupg_path (0);
138          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);      if (p && dir_exist_check (p)) {
139      }          memset (&sec_attr, 0, sizeof (sec_attr));
140      return program;          sec_attr.nLength = sizeof (sec_attr);
141  } /* get_prog_part */          if (!CreateDirectory (p, &sec_attr)) {
142                msg_box (NULL, _("Could not create GPG home directory"),
143                         _("WinPT Error"), MB_ERR);
144  static int              free_if_alloc (p);
145  check_crypto_engine (void)              return (2);
146  {          }
147      int ma=1, mi=4, pa=0; /* GPG 1.4.0 */      }
148      int rc;      pkr = make_filename (p, "pubring", "gpg");
149        free_if_alloc (p);
150      rc = check_gnupg_engine (&ma, &mi, &pa);      if (!pkr)
151      if (rc == -1) {          return -1;
152          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);      if (get_file_size (pkr) == 0) {
153          return rc;          free_if_alloc (pkr);
154      }          return -1;
155      else if (rc) {      }
156          log_box (_("WinPT Error"), MB_ERR,      return 0;
157                   _("Sorry, you need a newer GPG version.\n"  }
158                     "GPG version %d.%d.%d required GPG version 1.4.0"),  
159                     ma, mi, pa);  
160          return rc;  /* check if the default key from the gpg.conf file is available in the
161      }     keyring. if not, bail out because encryption won't work properly then. */
162      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */  static int
163      if (ma >= 1 && mi >= 4)  check_default_key (gpg_keycache_t kc)
164          scard_support = 1;  {
165        gpgme_key_t key;
166      gpgver[0] = ma;      gpgme_error_t err = GPG_ERR_NO_ERROR;
167      gpgver[1] = mi;      char *defkey;
168      gpgver[2] = pa;  
169      return rc;      defkey = get_gnupg_default_key ();
170  } /* check_crypto_engine */      if (defkey)
171            err = gpg_keycache_find_key (kc, defkey, 0, &key);
172        else
173  static int          msg_box (NULL, _("No useable secret key found."),
174  load_keyserver_conf (int quiet)                   _("WinPT Error"), MB_ERR);
175  {      free_if_alloc (defkey);
176      const char * t;      return err? -1 : 0;
177      int rc;  }
178    
179      if (reg_prefs.kserv_conf)  
180          t = reg_prefs.kserv_conf;  /* Return the WinPT program file name (with full pathname). */
181      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))  static const char*
182          t = get_prog_part ("keyserver.conf", 0);  get_prog_part (const char * fname, int use_cwd)
183      else  {
184          t = "keyserver.conf";      static char program[512];
185      rc = kserver_load_conf (t);      char currdir[256];
186      if (rc && !quiet)      char *cmd = NULL;
187          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);      int j;
188      return rc;          
189  }      memset (currdir, 0, DIM (currdir));
190        memset (program, 0, DIM (program));
191            
192  static void      if (use_cwd) {
193  enable_mobile_mode (void)          GetCurrentDirectory (DIM (currdir)-1, currdir);
194  {          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
195      memset (&reg_prefs, 0, sizeof (reg_prefs));      }
196      reg_prefs.always_trust = 0;      else {
197      reg_prefs.auto_backup = 0;          cmd = GetCommandLine ();
198      reg_prefs.cache_time = 0;          if (cmd == NULL)
199      reg_prefs.expert = 0;              return NULL;
200      reg_prefs.keylist_mode = 1;          strncpy (currdir, cmd, sizeof (currdir)-1);
201      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");          j = strlen (currdir);
202      reg_prefs.no_zip_mmedia = 1;          while (j--) {
203      reg_prefs.use_tmpfiles = 1;              if (currdir[j] == '\\')
204      reg_prefs.word_wrap = 80;                  break;
205      reg_prefs.use_viewer = 0; /* XXX */          }
206  }          currdir[j] = 0;
207            _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
208  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      }
209        return program;
210  int WINAPI  }
211  #ifndef WINPT_IPC  
212  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)  
213  #else  /* Check that the underlying crypto engine fullfills the minimal
214  win_main (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)     requirements so all commands work properly. */
215  #endif  static bool
216  {  check_crypto_engine (void)
217      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};  {
218      HACCEL accel_tab;      int ma=1, mi=4, pa=2; /* GPG 1.4.2 */
219      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;      int rc;
220      int first_start = 0, start_gpgprefs = 0;  
221      const char * s;      rc = check_gnupg_engine (&ma, &mi, &pa);
222      MSG msg;      if (rc == -1) {
223      HWND hwnd = NULL;          msg_box (NULL, _("Could not read GnuPG version."),
224                     _("WinPT Error"), MB_ERR);
225      glob_hinst = hinst;          return false;
226            }
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                       "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
231      s = PTD_get_version ();                     ma, mi, pa);
232      if (strcmp (s, "0.8.0")) {          return false;
233          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      }
234                   _("Please update your PTD.dll to the newest version, "      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
235                     "the version (%s) you use is too old."), s);      if (ma > 1 || pa >= 3)    
236          return 0;          scard_support = 1;
237      }  
238        gpgver[0] = ma;
239      if (gpg_md_selftest ()) {      gpgver[1] = mi;
240          msg_box (NULL, _("Cryptographic selftest failed."),      gpgver[2] = pa;
241                   _("WinPT Error"), MB_ERR);      return true;
242          return 0;  }
243      }  
244    
245      if (cmdline && stristr (cmdline, "--mobile")) {  /* Try to load the keyserver config file. If @quiet is 1
246          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",     do not show any errors. */
247                   "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 != NULL) {          n++;
283              size_t n;      free_if_alloc (p);
284              char * p = strrchr (s, '\\');      return n==2? true : false;
285              if (!p)  }
286                  BUG (0);  
287              n = p - s;  
288              if (n)  /* Enable the mobility mode. */
289              {  static void
290                  char * file = new char[n+1];  enable_mobile_mode (void)
291                  if (!file)  {
292                      BUG (NULL);      memset (&reg_prefs, 0, sizeof (reg_prefs));
293                  memset (file, 0, n);      reg_prefs.always_trust = 0;
294                  memcpy (file, s, n);      reg_prefs.auto_backup = 0;
295                  file[n] = '\0';              reg_prefs.cache_time = 0;
296                  set_reg_entry_gpg ("HomeDir", file);      reg_prefs.expert = 0;
297                  free_if_alloc (file);      reg_prefs.keylist_mode = 1;
298                  gnupg_check_homedir (); /* change gpgProgram if needed */      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
299              }      reg_prefs.no_zip_mmedia = 1;
300          }      reg_prefs.use_tmpfiles = 1;
301          else {      reg_prefs.word_wrap = 80;
302              msg_box (NULL, _("GPG home directory could not be determited."),      reg_prefs.use_viewer = 0; /* XXX */
303                       _("WinPT Error"), MB_ERR);  }
304              goto start;  
305          }  
306      }  /* Main entry point. */
307    int WINAPI
308      rc = check_gnupg_prog ();  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
309      if (rc) {  {
310          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
311                               "Do you want to start the GPG preferences to "      HACCEL accel_tab;
312                               "correct  this problem?"), _("WinPT Error"),      MSG msg;
313                               MB_INFO|MB_YESNO) == IDYES)      HWND hwnd = NULL;
314              start_gpgprefs = 1;      WORD ver[3], ptdver[4];
315          else      int rc, ec, created = 0;
316          {      int first_start = 0, start_gpgprefs = 0;
317              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      int winpt_inst_found = 0;
318              return 0;      int start_manager = 0;
319          }      const char *s;
320      }  
321        glob_hinst = hinst;
322      rc = gnupg_access_files ();      if (cmdline && stristr (cmdline, "--stop")) {
323      if (!start_gpgprefs && rc)          hwnd = FindWindow ("WinPT", "WinPT");
324      {          if (hwnd != NULL)
325          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)              PostMessage (hwnd, WM_DESTROY, 0, 0);
326          {          return 0;
327              ec = msg_box (NULL,      }
328                  _("Could not access and/or find the public and secret keyring.\n"  
329                    "If this is an accident, quit the program and fix it.\n\n"      /*
330                    "Continue if you want that WinPT offers you more choices.\n"),      OSVERSIONINFO osinf;
331                    "WinPT", MB_INFO|MB_YESNO);      memset (&osinf, 0, sizeof (osinf));
332              if (ec == IDYES)      if (GetVersionEx (&osinf) &&
333                  first_start = 1;          osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
334          }          osinf.dwMinorVersion == 0) {
335          if (!first_start)          msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
336          {                   "WinPT Warning", MB_INFO);
337              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      }
338              return 0;      */
339          }  
340      }      #ifdef _DEBUG
341        gpg_set_debug_mode (1);
342      if (!first_start)      debug = 1;
343      {      #endif
344          rc = gpg_check_permissions (1);  
345          if (rc && rc == 2)      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
346              gpg_read_only = 1;      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
347          else if (rc)                                   &ptdver[2], &ptdver[3]);
348              return 0;      /* XXX
349      }      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
350            log_box (_("WinPT Error"), MB_ERR,
351      load_gettext ();                   _("The PTD.dll file has a different version than WinPT.exe\n"
352      init_gnupg_table ();                     "Please update the PTD.dll to version %d.%d.%d"),
353                       ver[0], ver[1], ver[2]);
354      nfiles = fm_parse_command_line (cmdline);          return 0;
355      if (nfiles > 0)      }
356          return 0;      */
357    
358      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      if (gpg_md_selftest ()) {
359          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,          msg_box (NULL, _("Cryptographic selftest failed."),
360                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,                   _("WinPT Error"), MB_ERR);
361                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);          return 0;
362          free_gnupg_table ();      }
363          return 0;  
364      }      s = gpgme_check_version (MIN_GPGME_VER);
365        if (!s || !*s) {
366      load_keyserver_conf (cmdline? 1 : 0);          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
367      if (start_keymanager) {                   _("WinPT Error"), MB_ERR);
368          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,          return 0;
369                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      }
370                              _("Key Manager"), IDS_WINPT_KEYMISC);  
371          keycache_release ();      CreateMutex (NULL, TRUE, PGM_NAME);
372          free_gnupg_table ();      if (GetLastError () == ERROR_ALREADY_EXISTS)
373          return 0;          winpt_inst_found = 1;
374      }  
375        if (cmdline && stristr (cmdline, "--mobile")) {
376      if (cmdline && (stristr (cmdline, "--keymanager")          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
377                  || stristr (cmdline, "--cardmanager"))) {                   "WinPT", MB_INFO);
378          update_keycache (GetDesktopWindow ());          mobile = 1;
379          if (stristr (cmdline, "keymanager"))      }
380              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,  
381                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      set_default_kserver ();
382                              _("Key Manager"), IDS_WINPT_KEYMISC);        load_gettext (winpt_inst_found);
383          else {  
384              gpg_card_t crd = smartcard_init ();      if (!mobile) {
385              if (crd)          regist_inst_gnupg (1);
386                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,          regist_inst_winpt (1, &created);
387                                    GetDesktopWindow(), card_edit_dlg_proc,      }
388                                    (LPARAM)crd, _("Card Manager"),      else {
389                                    IDS_WINPT_CARD_EDIT);          enable_mobile_mode ();
390              gpg_card_release (crd);          /* XXX: ask for GPG path */
391          }          created = 1; /* Disable registry writing */
392          keycache_release ();      }
393          free_gnupg_table ();  
394          return 0;      if (!created) {
395      }          memset (&reg_prefs, 0, sizeof (reg_prefs));
396            reg_prefs.use_tmpfiles = 1; /* default */
397      CreateMutex (NULL, TRUE, PGM_NAME);          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
398      if (GetLastError () == ERROR_ALREADY_EXISTS) {          get_reg_winpt_prefs (&reg_prefs);
399          free_gnupg_table ();          if (!reg_prefs.no_hotkeys)
400          return 0;              hotkeys_modify ();
401      }          gnupg_load_config ();
402        }
403      if (cmdline) {  
404          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {      if (is_gpg4win_installed ())
405              gpg_set_debug_mode (1);          load_gpg_env (); /* XXX: check return code. */
406              winpt_debug_msg ();  
407              debug = 1;      rc = gnupg_check_homedir ();
408          }      if (rc) {
409      }          log_box (_("WinPT Error"), MB_ERR,
410                     _("GPG home directory is not set correctly.\n"
411      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));                     "Please check the GPG registry settings:\n%s."),
412      rc = RegisterClass (&wc);                   winpt_strerror (rc));
413      if (rc == FALSE) {          s = get_fileopen_dlg (GetActiveWindow (),
414          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);                                _("Select GPG Public Keyring"),
415          free_gnupg_table ();                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
416          return 0;                                NULL);
417      }          if (s != NULL) {
418                size_t n;
419      hwnd = CreateWindow (PGM_NAME,              char *p = strrchr (s, '\\');
420                           PGM_NAME,              if (!p)
421                           0, 0, 0, 0, 0,                  BUG (0);
422                           NULL,              n = p - s;
423                           NULL,              if (n) {
424                           hinst,                  char *file = new char[n+1];
425                           NULL);                  if (!file)
426      if (hwnd == NULL) {                      BUG (NULL);
427          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);                  memset (file, 0, n);
428          free_gnupg_table ();                  memcpy (file, s, n);
429          return 0;                  file[n] = '\0';        
430      }                  set_reg_entry_gpg ("HomeDir", file);
431      glob_hwnd = hwnd;                  free_if_alloc (file);
432      UpdateWindow (hwnd);                  gnupg_check_homedir (); /* change gpgProgram if needed */
433                }
434      if (!first_start && !start_gpgprefs) {          }
435          gnupg_backup_options ();                  else {
436          rc = check_crypto_engine ();              msg_box (NULL, _("GPG home directory could not be determited."),
437          if (rc) {                       _("WinPT Error"), MB_ERR);
438              DestroyWindow (hwnd);              goto start;
439              free_gnupg_table ();          }
440              return 0;      }
441          }  
442      }      rc = check_gnupg_prog ();
443            if (rc) {
444      if (start_gpgprefs) {          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
445          char *ring;                               "Do you want to start the GPG preferences to "
446          size_t size = 0;                               "correct  this problem?"), _("WinPT Error"),
447          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                               MB_INFO|MB_YESNO) == IDYES)
448                          gpgprefs_dlg_proc, NULL);              start_gpgprefs = 1;
449          ring = get_gnupg_keyring (0, !NO_STRICT);          else {
450          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
451              first_start = 1; /* The keyring is empty! */              return 0;
452          free_if_alloc (ring);          }
453      }      }
454    
455      if (first_start) {      rc = gnupg_access_files ();
456          struct first_start_s fs;      if (!start_gpgprefs && rc) {
457          struct genkey_s c;          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
458          HWND h;              ec = msg_box (NULL,
459  start:                  _("Could not access and/or find the public and secret keyring.\n"
460          h = GetDesktopWindow ();                    "If this is an accident, quit the program and fix it.\n\n"
461          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,                    "Continue if you want that WinPT offers you more choices.\n"),
462                              gpgprefs_dlg_proc, NULL);                    "WinPT", MB_INFO|MB_YESNO);
463          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,              if (ec == IDYES)
464                          first_run_dlg_proc, (LPARAM)&fs);                  first_start = 1;
465          switch (fs.choice) {          }
466          case SETUP_KEYGEN:          if (!first_start) {
467              c.interactive = 1;              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
468              c.first_start = 1;              return 0;
469              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,          }
470                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);      }
471              if (!rc)      if (check_for_empty_keyrings (false))
472                  goto start;          first_start = 1;
473              break;  
474        if (!first_start) {
475          case SETUP_IMPORT:          rc = gpg_check_permissions (1);
476              rc = gnupg_copy_keyrings ();          if (rc && rc == 2)
477              if (rc) {              gpg_read_only = 1;
478                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          else if (rc)
479                  goto start;              return 0;
480              }      }
481              break;      
482        init_gnupg_table ();
483          case -1:  
484              DestroyWindow (hwnd);      if (fm_parse_command_line (cmdline) > 0) {
485              free_gnupg_table ();          free_gnupg_table ();
486              return 0;          return 0;
487          }      }
488          update_keycache (hwnd);  
489          check_crypto_engine ();      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
490      }          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
491      else {                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
492          gpgme_keycache_t c;                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
493          update_keycache (hwnd);          free_gnupg_table ();
494          c = keycache_get_ctx (1);          return 0;
495          if (!c || !gpgme_keycache_count (c)) {      }
496              gnupg_display_error ();  
497              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"      load_keyserver_conf (cmdline? 1 : 0);
498                               "Please check your GPG config (keyrings, pathes...)"),  
499                               _("WinPT Error"), MB_ERR);      if (cmdline && (stristr (cmdline, "--keymanager")
500              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"                  || stristr (cmdline, "--cardmanager"))) {
501                                    "Do you want to start the GPG preferences dialog?"),          /* If an instance of WinPT is running, just send the command
502                              "WinPT", MB_INFO|MB_YESNO);             to open the key manager. Otherwise start a new instance.
503              if (ec == IDYES) {           */
504                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          HWND tray = FindWindow ("WinPT", "WinPT");
505                                  gpgprefs_dlg_proc, NULL);          if (stristr (cmdline, "keymanager"))
506                  update_keycache (hwnd);              start_manager = ID_WINPT_KEY;
507              }          else
508              else {              start_manager = ID_WINPT_CARD;
509                  DestroyWindow (hwnd);          if (tray != NULL) {
510                  free_gnupg_table ();              PostMessage (tray, WM_COMMAND, start_manager, 0);
511                  return 0;              free_gnupg_table ();
512              }              return 0;
513          }          }
514          if (check_default_key (c)) {      }
515              char * p = get_gnupg_default_key ();  
516              log_box (_("WinPT Error"), MB_ERR,      /* If we found another WinPT instance, just quit to avoid it
517                       _("Default key from the GPG options file could not be found.\n"         will be executed twice. */
518                         "Please check your gpg.conf (options) to correct this:\n\n"      if (winpt_inst_found) {
519                         "%s: public key not found."), p? p : "[null]");          log_debug ("%s", "WinMain: WinPT is already running.");
520              free_if_alloc (p);          free_gnupg_table ();
521              DestroyWindow (hwnd);          return 0;
522              free_gnupg_table ();      }
523              return 0;  
524          }      if (cmdline) {
525          if (count_insecure_elgkeys ())          if (stristr (cmdline, "--enable-debug") ||
526              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              stristr (cmdline, "--debug")) {
527                              elgamal_warn_dlg_proc, NULL);              gpg_set_debug_mode (1);
528      }              winpt_debug_msg ();
529                debug = 1;
530      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);          }
531      keyring_check_last_access (); /* init */      }
532      while (GetMessage (&msg, hwnd, 0, 0)) {  
533          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
534              TranslateMessage (&msg);      rc = RegisterClass (&wc);
535              DispatchMessage (&msg);      if (rc == FALSE) {
536          }          msg_box (NULL, _("Could not register window class"),
537      }                   _("WinPT Error"), MB_ERR);
538                    free_gnupg_table ();
539      return 0;          return 0;
540  } /* WinMain */      }
541    
542        hwnd = CreateWindow (PGM_NAME,
543                             PGM_NAME,
544                             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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