/[winpt]/trunk/Src/WinPT.cpp
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revision 25 by twoaday, Wed Oct 12 10:04:26 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  static void  HWND glob_hwnd;         /* global window handle for the dialogs */
49  update_keycache (HWND hwnd)  HWND activ_hwnd;
50  {  LOCK mo_file;
51      refresh_cache_s rcs = {0};  int scard_support = 0;
52      rcs.kr_reload = 0;  int debug = 0;
53      rcs.kr_update = 1;  int mobile = 0;
54      rcs.tr_update = 1;  int gpg_read_only = 0;
55      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  char gpgver[3];
56                      keycache_dlg_proc, (LPARAM)&rcs);  
57  } /* update_keycache */  
58    /* Load the key cache and rebuild the signature cache. */
59    static void
60  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */  update_keycache (HWND hwnd)
61  void  {
62  gpg_set_debug_mode (int val)      refresh_cache_s rcs = {0};
63  {            rcs.kr_reload = 0;
64      if (val)      rcs.kr_update = 1;
65          putenv ("GPGME_DEBUG=5:gpgme.dbg");      rcs.tr_update = 1;
66      else      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
67          putenv ("GPGME_DEBUG=");                      keycache_dlg_proc, (LPARAM)&rcs);
68  }  }
69    
70  static char *  
71  get_gettext_lang (void)  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
72  {      void
73      char * fname;  gpg_set_debug_mode (int val)
74      fname = get_reg_entry_mo ();  {      
75      if (!fname)      if (val)
76          return NULL;          putenv ("GPGME_DEBUG=5:gpgme.dbg");
77      return fname;      else
78  } /* get_gettext_lang */          putenv ("GPGME_DEBUG=");
79    }
80    
81  static void  
82  load_gettext (void)  /* Return the name of the gettext language file. */
83  {  static char*
84      char *nls = NULL;  get_gettext_lang (void)
85      char *file = NULL;  {    
86        char *fname;
87      nls = get_gettext_lang ();      fname = get_reg_entry_mo ();
88      if (nls) {      if (!fname)
89          set_gettext_file ("winpt", nls);          return NULL;
90          file = make_filename (nls, "winpt", "mo");      return fname;
91          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  }
92              msg_box (NULL, _("Could not initizalize file lock.\n"  
93                               "Native Language Support"),  
94                       _("WinPT Error"), MB_ERR);  /* Initialize the gettext sub system. */
95          }  static void
96          free_if_alloc (nls);  load_gettext (int prev_inst)
97          free_if_alloc (file);  {
98      }      char *nls = NULL;
99  } /* load_gettext */      char *file = NULL;
100    
101        nls = get_gettext_lang ();
102  /* check if the default key from the gpg.conf file is available in the      if (nls) {
103     keyring. if not, bail out because encryption won't work properly then. */          set_gettext_file ("winpt", nls);
104  static int          file = make_filename (nls, "winpt", "mo");
105  check_default_key (gpg_keycache_t kc)          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
106  {              if (!prev_inst)
107      gpgme_key_t key;                  msg_box (NULL, _("Could not initizalize file lock.\n"
108      gpgme_error_t err = GPG_ERR_NO_ERROR;                                   "Native Language Support"),
109      char * defkey;                           _("WinPT Error"), MB_ERR);
110            }
111      defkey = get_gnupg_default_key ();          free_if_alloc (nls);
112      if (defkey)          free_if_alloc (file);
113          err = gpg_keycache_find_key (kc, defkey, 0, &key);      }
114      free_if_alloc (defkey);  }
115      return err? -1 : 0;  
116  } /* check_default_key */  
117    /* Load the GPG environment. On the first start, some
118       checks are performed to find out in what state GPG is.
119  /* Return the WinPT program file name (with full pathname). */     Return value: 0  everything OK.
120  static const char *                   >0  fatal error.
121  get_prog_part (const char * fname, int use_cwd)                   -1 public keyring is empty or does not exist. */
122  {  static int
123      static char program[1024];  load_gpg_env (void)
124      char currdir[256], * cmd = NULL;  {
125      int j;      SECURITY_ATTRIBUTES sec_attr;
126                char *p;
127      memset (currdir, 0, DIM (currdir));      char *pkr;
128      memset (program, 0, DIM (program));  
129                p = get_reg_entry_gpg4win ("gpg.exe");
130      if (use_cwd) {      if (!p)
131          GetCurrentDirectory (DIM (currdir)-1, currdir);          return (1);
132          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      if (file_exist_check (p)) {
133      }          free_if_alloc (p);
134      else {          return (1);
135          cmd = GetCommandLine ();      }
136          if (cmd == NULL)      free_if_alloc (p);
137              return NULL;      p = multi_gnupg_path (0);
138          strncpy (currdir, cmd, 255);      if (p && dir_exist_check (p)) {
139          j = strlen (currdir);          memset (&sec_attr, 0, sizeof (sec_attr));
140          while (j--) {          sec_attr.nLength = sizeof (sec_attr);
141              if (currdir[j] == '\\')          if (!CreateDirectory (p, &sec_attr)) {
142                  break;                        msg_box (NULL, _("Could not create GPG home directory"),
143          }                       _("WinPT Error"), MB_ERR);
144          currdir[j] = 0;              free_if_alloc (p);
145          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);              return (2);
146      }          }
147      return program;      }
148  } /* get_prog_part */      pkr = make_filename (p, "pubring", "gpg");
149        free_if_alloc (p);
150        if (!pkr)
151  static int          return -1;
152  check_crypto_engine (void)      if (get_file_size (pkr) == 0) {
153  {          free_if_alloc (pkr);
154      int ma=1, mi=4, pa=0; /* GPG 1.4.0 */          return -1;
155      int rc;      }
156        return 0;
157      rc = check_gnupg_engine (&ma, &mi, &pa);  }
158      if (rc == -1) {  
159          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);  
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      else if (rc) {  static int
163          log_box (_("WinPT Error"), MB_ERR,  check_default_key (gpg_keycache_t kc)
164                   _("Sorry, you need a newer GPG version.\n"  {
165                     "GPG version %d.%d.%d required GPG version 1.4.0"),      gpgme_key_t key;
166                     ma, mi, pa);      gpgme_error_t err = GPG_ERR_NO_ERROR;
167          return rc;      char *defkey;
168      }  
169      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */      defkey = get_gnupg_default_key ();
170      if (ma >= 1 && mi >= 4)      if (defkey)
171          scard_support = 1;          err = gpg_keycache_find_key (kc, defkey, 0, &key);
172        else
173      gpgver[0] = ma;          msg_box (NULL, _("No useable secret key found."),
174      gpgver[1] = mi;                   _("WinPT Error"), MB_ERR);
175      gpgver[2] = pa;      free_if_alloc (defkey);
176      return rc;      return err? -1 : 0;
177  } /* check_crypto_engine */  }
178    
179    
180  static int  /* Return the WinPT program file name (with full pathname). */
181  load_keyserver_conf (int quiet)  static const char*
182  {  get_prog_part (const char * fname, int use_cwd)
183      const char * t;  {
184      int rc;      static char program[512];
185        char currdir[256];
186      if (reg_prefs.kserv_conf)      char *cmd = NULL;
187          t = reg_prefs.kserv_conf;      int j;
188      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))          
189          t = get_prog_part ("keyserver.conf", 0);      memset (currdir, 0, DIM (currdir));
190      else      memset (program, 0, DIM (program));
191          t = "keyserver.conf";          
192      rc = kserver_load_conf (t);      if (use_cwd) {
193      if (rc && !quiet)          GetCurrentDirectory (DIM (currdir)-1, currdir);
194          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
195      return rc;      }
196  }      else {
197            cmd = GetCommandLine ();
198            if (cmd == NULL)
199  static void              return NULL;
200  enable_mobile_mode (void)          strncpy (currdir, cmd, sizeof (currdir)-1);
201  {          j = strlen (currdir);
202      memset (&reg_prefs, 0, sizeof (reg_prefs));          while (j--) {
203      reg_prefs.always_trust = 0;              if (currdir[j] == '\\')
204      reg_prefs.auto_backup = 0;                  break;
205      reg_prefs.cache_time = 0;          }
206      reg_prefs.expert = 0;          currdir[j] = 0;
207      reg_prefs.keylist_mode = 1;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
208      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");      }
209      reg_prefs.no_zip_mmedia = 1;      return program;
210      reg_prefs.use_tmpfiles = 1;  }
211      reg_prefs.word_wrap = 80;  
212      reg_prefs.use_viewer = 0; /* XXX */  
213  }  /* Check that the underlying crypto engine fullfills the minimal
214       requirements so all commands work properly. */
215  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);  static bool
216    check_crypto_engine (void)
217  int WINAPI  {
218        int ma=1, mi=4, pa=2; /* GPG 1.4.2 */
219  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      int rc;
220  {  
221      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      rc = check_gnupg_engine (&ma, &mi, &pa);
222      HACCEL accel_tab;      if (rc == -1) {
223      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;          msg_box (NULL, _("Could not read GnuPG version."),
224      int first_start = 0, start_gpgprefs = 0;                   _("WinPT Error"), MB_ERR);
225      const char * s;          return false;
226      MSG msg;      }
227      HWND hwnd = NULL;      else if (rc) {
228            log_box (_("WinPT Error"), MB_ERR,
229      glob_hinst = hinst;                   _("Sorry, you need a newer GPG version.\n"
230                       "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
231      #ifdef _DEBUG                     ma, mi, pa);
232      gpg_set_debug_mode (1);          return false;
233      debug = 1;      }
234      #endif      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
235        if (ma > 1 || pa >= 3)    
236      s = PTD_get_version ();          scard_support = 1;
237      if (strcmp (s, "0.8.0")) {  
238          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      gpgver[0] = ma;
239                   _("Please update your PTD.dll to the newest version, "      gpgver[1] = mi;
240                     "the version (%s) you use is too old."), s);      gpgver[2] = pa;
241          return 0;      return true;
242      }  }
243    
244      if (gpg_md_selftest ()) {  
245          msg_box (NULL, _("Cryptographic selftest failed."),  /* Try to load the keyserver config file. If @quiet is 1
246                   _("WinPT Error"), MB_ERR);     do not show any errors. */
247          return 0;  static int
248      }  load_keyserver_conf (int quiet)
249    {
250      s = gpgme_check_version ("1.1.0");      const char *t;
251      if (!s || !*s) {      int rc;
252          msg_box (NULL, _("A newer GPGME version is needed."), "WinPT Error", MB_ERR);  
253          return 0;      if (reg_prefs.kserv_conf)
254      }          t = reg_prefs.kserv_conf;
255        else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
256      if (cmdline && stristr (cmdline, "--mobile")) {          t = get_prog_part ("keyserver.conf", 0);
257          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",      else
258                   "WinPT", MB_INFO);          t = "keyserver.conf";
259          mobile = 1;      rc = kserver_load_conf (t);
260      }      if (rc && !quiet)
261            msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
262      set_default_kserver ();      return rc;
263    }
264      if (!mobile) {  
265          regist_inst_gnupg (1);  
266          regist_inst_winpt (1, &created);  /* Check if both keyrings are empty. This indicates that
267      }     WinPT should offer to generate a key pair. */
268      else {  static bool
269          enable_mobile_mode ();  check_for_empty_keyrings (bool pub_only)
270          /* XXX: ask for GPG path */  {
271          created = 1; /* Disable registry writing */      char *p;
272      }      int n = 0;
273    
274      if (!created) {      p = get_gnupg_keyring (1, 0);
275          memset (&reg_prefs, 0, sizeof (reg_prefs));      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
276          reg_prefs.use_tmpfiles = 1; /* default */          n++;
277          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      free_if_alloc (p);
278          get_reg_winpt_prefs (&reg_prefs);      if (pub_only)
279          if (!reg_prefs.no_hotkeys)          return n == 1? true : false;
280              hotkeys_modify ();      p = get_gnupg_keyring (0, 0);
281      }      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
282            n++;
283      rc = gnupg_check_homedir ();      free_if_alloc (p);
284      if (rc) {      return n==2? true : false;
285          log_box (_("WinPT Error"), MB_ERR,  }
286                   _("GPG home directory is not set correctly.\n"  
287                     "Please check the GPG registry settings:\n%s."),  
288                   winpt_strerror (rc));  /* Enable the mobility mode. */
289          const char * s = get_fileopen_dlg (GetActiveWindow (),  static void
290                                             _("Select GPG Public Keyring"),  enable_mobile_mode (void)
291                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),  {
292                                             NULL);      memset (&reg_prefs, 0, sizeof (reg_prefs));
293          if (s != NULL) {      reg_prefs.always_trust = 0;
294              size_t n;      reg_prefs.auto_backup = 0;
295              char * p = strrchr (s, '\\');      reg_prefs.cache_time = 0;
296              if (!p)      reg_prefs.expert = 0;
297                  BUG (0);      reg_prefs.keylist_mode = 1;
298              n = p - s;      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
299              if (n)      reg_prefs.no_zip_mmedia = 1;
300              {      reg_prefs.use_tmpfiles = 1;
301                  char * file = new char[n+1];      reg_prefs.word_wrap = 80;
302                  if (!file)      reg_prefs.use_viewer = 0; /* XXX */
303                      BUG (NULL);  }
304                  memset (file, 0, n);  
305                  memcpy (file, s, n);  
306                  file[n] = '\0';          /* Main entry point. */
307                  set_reg_entry_gpg ("HomeDir", file);  int WINAPI
308                  free_if_alloc (file);  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
309                  gnupg_check_homedir (); /* change gpgProgram if needed */  {
310              }      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
311          }      HACCEL accel_tab;
312          else {      MSG msg;
313              msg_box (NULL, _("GPG home directory could not be determited."),      HWND hwnd = NULL;
314                       _("WinPT Error"), MB_ERR);      WORD ver[3], ptdver[4];
315              goto start;      int rc, ec, created = 0;
316          }      int first_start = 0, start_gpgprefs = 0;
317      }      int winpt_inst_found = 0;
318        int start_manager = 0;
319      rc = check_gnupg_prog ();      const char *s;
320      if (rc) {  
321          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"      glob_hinst = hinst;
322                               "Do you want to start the GPG preferences to "      if (cmdline && stristr (cmdline, "--stop")) {
323                               "correct  this problem?"), _("WinPT Error"),          hwnd = FindWindow ("WinPT", "WinPT");
324                               MB_INFO|MB_YESNO) == IDYES)          if (hwnd != NULL)
325              start_gpgprefs = 1;              PostMessage (hwnd, WM_DESTROY, 0, 0);
326          else          return 0;
327          {      }
328              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);  
329              return 0;      /*
330          }      OSVERSIONINFO osinf;
331      }      memset (&osinf, 0, sizeof (osinf));
332        if (GetVersionEx (&osinf) &&
333      rc = gnupg_access_files ();          osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
334      if (!start_gpgprefs && rc)          osinf.dwMinorVersion == 0) {
335      {          msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
336          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)                   "WinPT Warning", MB_INFO);
337          {      }
338              ec = msg_box (NULL,      */
339                  _("Could not access and/or find the public and secret keyring.\n"  
340                    "If this is an accident, quit the program and fix it.\n\n"      #ifdef _DEBUG
341                    "Continue if you want that WinPT offers you more choices.\n"),      gpg_set_debug_mode (1);
342                    "WinPT", MB_INFO|MB_YESNO);      debug = 1;
343              if (ec == IDYES)      #endif
344                  first_start = 1;  
345          }      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
346          if (!first_start)      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
347          {                                   &ptdver[2], &ptdver[3]);
348              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      /* 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                       "Please update the PTD.dll to version %d.%d.%d"),
353      if (!first_start)                     ver[0], ver[1], ver[2]);
354      {          return 0;
355          rc = gpg_check_permissions (1);      }
356          if (rc && rc == 2)      */
357              gpg_read_only = 1;  
358          else if (rc)      if (gpg_md_selftest ()) {
359              return 0;          msg_box (NULL, _("Cryptographic selftest failed."),
360      }                   _("WinPT Error"), MB_ERR);
361            return 0;
362      load_gettext ();      }
363      init_gnupg_table ();  
364        s = gpgme_check_version (MIN_GPGME_VER);
365      nfiles = fm_parse_command_line (cmdline);      if (!s || !*s) {
366      if (nfiles > 0)          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
367          return 0;                   _("WinPT Error"), MB_ERR);
368            return 0;
369      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      }
370          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,  
371                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,      CreateMutex (NULL, TRUE, PGM_NAME);
372                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);      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      load_keyserver_conf (cmdline? 1 : 0);                   "WinPT", MB_INFO);
378            mobile = 1;
379      if (cmdline && (stristr (cmdline, "--keymanager")      }
380                  || stristr (cmdline, "--cardmanager"))) {  
381          update_keycache (GetDesktopWindow ());      set_default_kserver ();
382          if (stristr (cmdline, "keymanager"))      load_gettext (winpt_inst_found);
383              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,  
384                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      if (!mobile) {
385                              _("Key Manager"), IDS_WINPT_KEYMISC);            regist_inst_gnupg (1);
386          else {          regist_inst_winpt (1, &created);
387              gpg_card_t crd = smartcard_init ();      }
388              if (crd)      else {
389                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,          enable_mobile_mode ();
390                                    GetDesktopWindow(), card_edit_dlg_proc,          /* XXX: ask for GPG path */
391                                    (LPARAM)crd, _("Card Manager"),          created = 1; /* Disable registry writing */
392                                    IDS_WINPT_CARD_EDIT);      }
393              gpg_card_release (crd);  
394          }      if (!created) {
395          keycache_release (0);          memset (&reg_prefs, 0, sizeof (reg_prefs));
396          free_gnupg_table ();          reg_prefs.use_tmpfiles = 1; /* default */
397          return 0;          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
398      }          get_reg_winpt_prefs (&reg_prefs);
399            if (!reg_prefs.no_hotkeys)
400      CreateMutex (NULL, TRUE, PGM_NAME);              hotkeys_modify ();
401      if (GetLastError () == ERROR_ALREADY_EXISTS) {          gnupg_load_config ();
402          free_gnupg_table ();      }
403          return 0;  
404      }      if (is_gpg4win_installed ())
405            load_gpg_env (); /* XXX: check return code. */
406      if (cmdline) {  
407          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {      rc = gnupg_check_homedir ();
408              gpg_set_debug_mode (1);      if (rc) {
409              winpt_debug_msg ();          log_box (_("WinPT Error"), MB_ERR,
410              debug = 1;                   _("GPG home directory is not set correctly.\n"
411          }                     "Please check the GPG registry settings:\n%s."),
412      }                   winpt_strerror (rc));
413            s = get_fileopen_dlg (GetActiveWindow (),
414      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));                                _("Select GPG Public Keyring"),
415      rc = RegisterClass (&wc);                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
416      if (rc == FALSE) {                                NULL);
417          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);          if (s != NULL) {
418          free_gnupg_table ();              size_t n;
419          return 0;              char *p = strrchr (s, '\\');
420      }              if (!p)
421                    BUG (0);
422      hwnd = CreateWindow (PGM_NAME,              n = p - s;
423                           PGM_NAME,              if (n) {
424                           0, 0, 0, 0, 0,                  char *file = new char[n+1];
425                           NULL,                  if (!file)
426                           NULL,                      BUG (NULL);
427                           hinst,                  memset (file, 0, n);
428                           NULL);                  memcpy (file, s, n);
429      if (hwnd == NULL) {                  file[n] = '\0';        
430          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);                  set_reg_entry_gpg ("HomeDir", file);
431          free_gnupg_table ();                  free_if_alloc (file);
432          return 0;                  gnupg_check_homedir (); /* change gpgProgram if needed */
433      }              }
434      glob_hwnd = hwnd;          }
435      UpdateWindow (hwnd);          else {
436                msg_box (NULL, _("GPG home directory could not be determited."),
437      if (!first_start && !start_gpgprefs) {                       _("WinPT Error"), MB_ERR);
438          gnupg_backup_options ();                      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          char *ring;              start_gpgprefs = 1;
449          size_t size = 0;          else {
450          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
451                          gpgprefs_dlg_proc, NULL);              return 0;
452          ring = get_gnupg_keyring (0, !NO_STRICT);          }
453          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)      }
454              first_start = 1; /* The keyring is empty! */  
455          free_if_alloc (ring);      rc = gnupg_access_files ();
456      }      if (!start_gpgprefs && rc) {
457            if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
458      if (first_start) {              ec = msg_box (NULL,
459          struct first_start_s fs;                  _("Could not access and/or find the public and secret keyring.\n"
460          struct genkey_s c;                    "If this is an accident, quit the program and fix it.\n\n"
461          HWND h;                    "Continue if you want that WinPT offers you more choices.\n"),
462  start:                    "WinPT", MB_INFO|MB_YESNO);
463          h = GetDesktopWindow ();              if (ec == IDYES)
464          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,                  first_start = 1;
465                              gpgprefs_dlg_proc, NULL);          }
466          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,          if (!first_start) {
467                          first_run_dlg_proc, (LPARAM)&fs);              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
468          switch (fs.choice) {              return 0;
469          case SETUP_KEYGEN:          }
470              c.interactive = 1;      }
471              c.first_start = 1;      if (check_for_empty_keyrings (false))
472              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,          first_start = 1;
473                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);  
474              if (!rc)      if (!first_start) {
475                  goto start;          rc = gpg_check_permissions (1);
476              break;          if (rc && rc == 2)
477                gpg_read_only = 1;
478          case SETUP_IMPORT:          else if (rc)
479              rc = gnupg_copy_keyrings ();              return 0;
480              if (rc) {      }
481                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      
482                  goto start;      init_gnupg_table ();
483              }  
484              break;      if (fm_parse_command_line (cmdline) > 0) {
485            free_gnupg_table ();
486          case -1:          return 0;
487              DestroyWindow (hwnd);      }
488              free_gnupg_table ();  
489              return 0;      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
490          }          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
491          update_keycache (hwnd);                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
492          check_crypto_engine ();                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
493      }          free_gnupg_table ();
494      else {          return 0;
495          gpg_keycache_t c;      }
496          update_keycache (hwnd);  
497          c = keycache_get_ctx (1);      load_keyserver_conf (cmdline? 1 : 0);
498          if (!c || !gpg_keycache_get_size (c)) {  
499              gnupg_display_error ();      if (cmdline && (stristr (cmdline, "--keymanager")
500              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"                  || stristr (cmdline, "--cardmanager"))) {
501                               "Please check your GPG config (keyrings, pathes...)"),          /* If an instance of WinPT is running, just send the command
502                               _("WinPT Error"), MB_ERR);             to open the key manager. Otherwise start a new instance.
503              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"           */
504                                    "Do you want to start the GPG preferences dialog?"),          HWND tray = FindWindow ("WinPT", "WinPT");
505                              "WinPT", MB_INFO|MB_YESNO);          if (stristr (cmdline, "keymanager"))
506              if (ec == IDYES) {              start_manager = ID_WINPT_KEY;
507                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          else
508                                  gpgprefs_dlg_proc, NULL);              start_manager = ID_WINPT_CARD;
509                  update_keycache (hwnd);          if (tray != NULL) {
510              }              PostMessage (tray, WM_COMMAND, start_manager, 0);
511              else {              free_gnupg_table ();
512                  DestroyWindow (hwnd);              return 0;
513                  free_gnupg_table ();          }
514                  return 0;      }
515              }  
516          }      /* If we found another WinPT instance, just quit to avoid it
517          if (check_default_key (c)) {         will be executed twice. */
518              char * p = get_gnupg_default_key ();      if (winpt_inst_found) {
519              log_box (_("WinPT Error"), MB_ERR,          log_debug ("%s", "WinMain: WinPT is already running.");
520                       _("Default key from the GPG options file could not be found.\n"          free_gnupg_table ();
521                         "Please check your gpg.conf (options) to correct this:\n\n"          return 0;
522                         "%s: public key not found."), p? p : "[null]");      }
523              free_if_alloc (p);  
524              DestroyWindow (hwnd);      if (cmdline) {
525              free_gnupg_table ();          if (stristr (cmdline, "--enable-debug") ||
526              return 0;              stristr (cmdline, "--debug")) {
527          }              gpg_set_debug_mode (1);
528          if (count_insecure_elgkeys ())              winpt_debug_msg ();
529              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              debug = 1;
530                              elgamal_warn_dlg_proc, NULL);          }
531      }      }
532    
533      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
534      keyring_check_last_access (); /* init */      rc = RegisterClass (&wc);
535      while (GetMessage (&msg, hwnd, 0, 0)) {      if (rc == FALSE) {
536          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {          msg_box (NULL, _("Could not register window class"),
537              TranslateMessage (&msg);                   _("WinPT Error"), MB_ERR);
538              DispatchMessage (&msg);          free_gnupg_table ();
539          }          return 0;
540      }      }
541            
542      return 0;      hwnd = CreateWindow (PGM_NAME,
543  } /* WinMain */                           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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