/[winpt]/trunk/Src/WinPT.cpp
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revision 28 by twoaday, Thu Oct 20 12:35:59 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  #define MIN_GPG_VER "1.4.3"  #include "wptFileManager.h"
39    #include "wptContext.h"
40  HINSTANCE glob_hinst;   /* global instance for the dialogs */  #include "wptCardEdit.h"
41  HWND glob_hwnd;         /* global window handle for the dialogs */  #include "wptCrypto.h"
42  HWND activ_hwnd;  
43  LOCK mo_file;  #define MIN_GPG_VER   "1.4.2"            /* Minimal GPG version. */
44  int scard_support = 0;  #define MIN_GPGME_VER NEED_GPGME_VERSION /* Minimal GPGME version. */
45  int debug = 0;  
46  int mobile = 0;  
47  int gpg_read_only = 0;  HINSTANCE glob_hinst;   /* global instance for the dialogs */
48  char gpgver[3];  HWND glob_hwnd;         /* global window handle for the dialogs */
49    HWND activ_hwnd;
50    LOCK mo_file;
51  /* Load the key cache and rebuild the signature cache. */  int scard_support = 0;
52  static void  int debug = 0;
53  update_keycache (HWND hwnd)  int mobile = 0;
54  {  int gpg_read_only = 0;
55      refresh_cache_s rcs = {0};  char gpgver[3];
56      rcs.kr_reload = 0;  
57      rcs.kr_update = 1;  
58      rcs.tr_update = 1;  /* Load the key cache and rebuild the signature cache. */
59      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  static void
60                      keycache_dlg_proc, (LPARAM)&rcs);  update_keycache (HWND hwnd)
61  }  {
62        refresh_cache_s rcs = {0};
63        rcs.kr_reload = 0;
64  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */      rcs.kr_update = 1;
65  void      rcs.tr_update = 1;
66  gpg_set_debug_mode (int val)      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
67  {                            keycache_dlg_proc, (LPARAM)&rcs);
68      if (val)  }
69          putenv ("GPGME_DEBUG=5:gpgme.dbg");  
70      else  
71          putenv ("GPGME_DEBUG=");  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
72  }  void
73    gpg_set_debug_mode (int val)
74  static char *  {      
75  get_gettext_lang (void)      if (val)
76  {              putenv ("GPGME_DEBUG=5:gpgme.dbg");
77      char * fname;      else
78      fname = get_reg_entry_mo ();          putenv ("GPGME_DEBUG=");
79      if (!fname)  }
80          return NULL;  
81      return fname;  
82  } /* get_gettext_lang */  /* Return the name of the gettext language file. */
83    static char*
84    get_gettext_lang (void)
85  static void  {    
86  load_gettext (void)      char *fname;
87  {      fname = get_reg_entry_mo ();
88      char *nls = NULL;      if (!fname)
89      char *file = NULL;          return NULL;
90        return fname;
91      nls = get_gettext_lang ();  }
92      if (nls) {  
93          set_gettext_file ("winpt", nls);  
94          file = make_filename (nls, "winpt", "mo");  /* Initialize the gettext sub system. */
95          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  static void
96              msg_box (NULL, _("Could not initizalize file lock.\n"  load_gettext (int prev_inst)
97                               "Native Language Support"),  {
98                       _("WinPT Error"), MB_ERR);      char *nls = NULL;
99          }      char *file = NULL;
100          free_if_alloc (nls);  
101          free_if_alloc (file);      nls = get_gettext_lang ();
102      }      if (nls) {
103  } /* load_gettext */          set_gettext_file ("winpt", nls);
104            file = make_filename (nls, "winpt", "mo");
105            if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
106  /* check if the default key from the gpg.conf file is available in the              if (!prev_inst)
107     keyring. if not, bail out because encryption won't work properly then. */                  msg_box (NULL, _("Could not initizalize file lock.\n"
108  static int                                   "Native Language Support"),
109  check_default_key (gpg_keycache_t kc)                           _("WinPT Error"), MB_ERR);
110  {          }
111      gpgme_key_t key;          free_if_alloc (nls);
112      gpgme_error_t err = GPG_ERR_NO_ERROR;          free_if_alloc (file);
113      char * defkey;      }
114    }
115      defkey = get_gnupg_default_key ();  
116      if (defkey)  
117          err = gpg_keycache_find_key (kc, defkey, 0, &key);  /* Load the GPG environment. On the first start, some
118      free_if_alloc (defkey);     checks are performed to find out in what state GPG is.
119      return err? -1 : 0;     Return value: 0  everything OK.
120  } /* check_default_key */                   >0  fatal error.
121                     -1 public keyring is empty or does not exist. */
122    static int
123  /* Return the WinPT program file name (with full pathname). */  load_gpg_env (void)
124  static const char *  {
125  get_prog_part (const char * fname, int use_cwd)      SECURITY_ATTRIBUTES sec_attr;
126  {      char *p;
127      static char program[1024];      char *pkr;
128      char currdir[256], * cmd = NULL;  
129      int j;      p = get_reg_entry_gpg4win ("gpg.exe");
130                if (!p)
131      memset (currdir, 0, DIM (currdir));          return (1);
132      memset (program, 0, DIM (program));      if (file_exist_check (p)) {
133                    free_if_alloc (p);
134      if (use_cwd) {          return (1);
135          GetCurrentDirectory (DIM (currdir)-1, currdir);      }
136          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      free_if_alloc (p);
137      }      p = multi_gnupg_path (0);
138      else {      if (p && dir_exist_check (p)) {
139          cmd = GetCommandLine ();          memset (&sec_attr, 0, sizeof (sec_attr));
140          if (cmd == NULL)          sec_attr.nLength = sizeof (sec_attr);
141              return NULL;          if (!CreateDirectory (p, &sec_attr)) {
142          strncpy (currdir, cmd, 255);              msg_box (NULL, _("Could not create GPG home directory"),
143          j = strlen (currdir);                       _("WinPT Error"), MB_ERR);
144          while (j--) {              free_if_alloc (p);
145              if (currdir[j] == '\\')              return (2);
146                  break;                    }
147          }      }
148          currdir[j] = 0;      pkr = make_filename (p, "pubring", "gpg");
149          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);      free_if_alloc (p);
150      }      if (!pkr)
151      return program;          return -1;
152  } /* get_prog_part */      if (get_file_size (pkr) == 0) {
153            free_if_alloc (pkr);
154            return -1;
155  static int      }
156  check_crypto_engine (void)      return 0;
157  {  }
158      int ma=1, mi=4, pa=3; /* GPG 1.4.3 */  
159      int rc;  
160    /* check if the default key from the gpg.conf file is available in the
161      rc = check_gnupg_engine (&ma, &mi, &pa);     keyring. if not, bail out because encryption won't work properly then. */
162      if (rc == -1) {  static int
163          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);  check_default_key (gpg_keycache_t kc)
164          return rc;  {
165      }      gpgme_key_t key;
166      else if (rc) {      gpgme_error_t err = GPG_ERR_NO_ERROR;
167          log_box (_("WinPT Error"), MB_ERR,      char *defkey;
168                   _("Sorry, you need a newer GPG version.\n"  
169                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),      defkey = get_gnupg_default_key ();
170                     ma, mi, pa);      if (defkey)
171          return rc;          err = gpg_keycache_find_key (kc, defkey, 0, &key);
172      }      else
173      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */          msg_box (NULL, _("No useable secret key found."),
174      if (ma >= 1 && mi >= 4)                   _("WinPT Error"), MB_ERR);
175          scard_support = 1;      free_if_alloc (defkey);
176        return err? -1 : 0;
177      gpgver[0] = ma;  }
178      gpgver[1] = mi;  
179      gpgver[2] = pa;  
180      return rc;  /* Return the WinPT program file name (with full pathname). */
181  } /* check_crypto_engine */  static const char*
182    get_prog_part (const char * fname, int use_cwd)
183    {
184  static int      static char program[512];
185  load_keyserver_conf (int quiet)      char currdir[256];
186  {      char *cmd = NULL;
187      const char * t;      int j;
188      int rc;          
189        memset (currdir, 0, DIM (currdir));
190      if (reg_prefs.kserv_conf)      memset (program, 0, DIM (program));
191          t = reg_prefs.kserv_conf;          
192      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      if (use_cwd) {
193          t = get_prog_part ("keyserver.conf", 0);          GetCurrentDirectory (DIM (currdir)-1, currdir);
194      else          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
195          t = "keyserver.conf";      }
196      rc = kserver_load_conf (t);      else {
197      if (rc && !quiet)          cmd = GetCommandLine ();
198          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);          if (cmd == NULL)
199      return rc;              return NULL;
200  }          strncpy (currdir, cmd, sizeof (currdir)-1);
201            j = strlen (currdir);
202            while (j--) {
203  static void              if (currdir[j] == '\\')
204  enable_mobile_mode (void)                  break;
205  {          }
206      memset (&reg_prefs, 0, sizeof (reg_prefs));          currdir[j] = 0;
207      reg_prefs.always_trust = 0;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
208      reg_prefs.auto_backup = 0;      }
209      reg_prefs.cache_time = 0;      return program;
210      reg_prefs.expert = 0;  }
211      reg_prefs.keylist_mode = 1;  
212      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
213      reg_prefs.no_zip_mmedia = 1;  /* Check that the underlying crypto engine fullfills the minimal
214      reg_prefs.use_tmpfiles = 1;     requirements so all commands work properly. */
215      reg_prefs.word_wrap = 80;  static bool
216      reg_prefs.use_viewer = 0; /* XXX */  check_crypto_engine (void)
217  }  {
218        int ma=1, mi=4, pa=2; /* GPG 1.4.2 */
219  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      int rc;
220    
221        rc = check_gnupg_engine (&ma, &mi, &pa);
222  int WINAPI      if (rc == -1) {
223  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)          msg_box (NULL, _("Could not read GnuPG version."),
224  {                   _("WinPT Error"), MB_ERR);
225      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};          return false;
226      HACCEL accel_tab;      }
227      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;      else if (rc) {
228      int first_start = 0, start_gpgprefs = 0;          log_box (_("WinPT Error"), MB_ERR,
229      const char * s;                   _("Sorry, you need a newer GPG version.\n"
230      MSG msg;                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
231      HWND hwnd = NULL;                     ma, mi, pa);
232            return false;
233      glob_hinst = hinst;      }
234        /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
235      #ifdef _DEBUG      if (ma > 1 || pa >= 3)    
236      gpg_set_debug_mode (1);          scard_support = 1;
237      debug = 1;  
238      #endif      gpgver[0] = ma;
239        gpgver[1] = mi;
240      s = PTD_get_version ();      gpgver[2] = pa;
241      if (strcmp (s, "0.8.0")) {      return true;
242          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,  }
243                   _("Please update your PTD.dll to the newest version, "  
244                     "the version (%s) you use is too old."), s);  
245          return 0;  /* Try to load the keyserver config file. If @quiet is 1
246      }     do not show any errors. */
247    static int
248      if (gpg_md_selftest ()) {  load_keyserver_conf (int quiet)
249          msg_box (NULL, _("Cryptographic selftest failed."),  {
250                   _("WinPT Error"), MB_ERR);      const char *t;
251          return 0;      int rc;
252      }  
253        if (reg_prefs.kserv_conf)
254      s = gpgme_check_version ("1.1.0");          t = reg_prefs.kserv_conf;
255      if (!s || !*s) {      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
256          msg_box (NULL, _("A newer GPGME version is needed."), "WinPT Error", MB_ERR);          t = get_prog_part ("keyserver.conf", 0);
257          return 0;      else
258      }          t = "keyserver.conf";
259        rc = kserver_load_conf (t);
260      if (cmdline && stristr (cmdline, "--mobile")) {      if (rc && !quiet)
261          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
262                   "WinPT", MB_INFO);      return rc;
263          mobile = 1;  }
264      }  
265    
266      set_default_kserver ();  /* Check if both keyrings are empty. This indicates that
267       WinPT should offer to generate a key pair. */
268      if (!mobile) {  static bool
269          regist_inst_gnupg (1);  check_for_empty_keyrings (bool pub_only)
270          regist_inst_winpt (1, &created);  {
271      }      char *p;
272      else {      int n = 0;
273          enable_mobile_mode ();  
274          /* XXX: ask for GPG path */      p = get_gnupg_keyring (1, 0);
275          created = 1; /* Disable registry writing */      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
276      }          n++;
277        free_if_alloc (p);
278      if (!created) {      if (pub_only)
279          memset (&reg_prefs, 0, sizeof (reg_prefs));          return n == 1? true : false;
280          reg_prefs.use_tmpfiles = 1; /* default */      p = get_gnupg_keyring (0, 0);
281          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
282          get_reg_winpt_prefs (&reg_prefs);          n++;
283          if (!reg_prefs.no_hotkeys)      free_if_alloc (p);
284              hotkeys_modify ();      return n==2? true : false;
285      }  }
286    
287      rc = gnupg_check_homedir ();  
288      if (rc) {  /* Enable the mobility mode. */
289          log_box (_("WinPT Error"), MB_ERR,  static void
290                   _("GPG home directory is not set correctly.\n"  enable_mobile_mode (void)
291                     "Please check the GPG registry settings:\n%s."),  {
292                   winpt_strerror (rc));      memset (&reg_prefs, 0, sizeof (reg_prefs));
293          const char * s = get_fileopen_dlg (GetActiveWindow (),      reg_prefs.always_trust = 0;
294                                             _("Select GPG Public Keyring"),      reg_prefs.auto_backup = 0;
295                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),      reg_prefs.cache_time = 0;
296                                             NULL);      reg_prefs.expert = 0;
297          if (s != NULL) {      reg_prefs.keylist_mode = 1;
298              size_t n;      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
299              char * p = strrchr (s, '\\');      reg_prefs.no_zip_mmedia = 1;
300              if (!p)      reg_prefs.use_tmpfiles = 1;
301                  BUG (0);      reg_prefs.word_wrap = 80;
302              n = p - s;      reg_prefs.use_viewer = 0; /* XXX */
303              if (n)  }
304              {  
305                  char * file = new char[n+1];  
306                  if (!file)  /* Main entry point. */
307                      BUG (NULL);  int WINAPI
308                  memset (file, 0, n);  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
309                  memcpy (file, s, n);  {
310                  file[n] = '\0';              WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
311                  set_reg_entry_gpg ("HomeDir", file);      HACCEL accel_tab;
312                  free_if_alloc (file);      MSG msg;
313                  gnupg_check_homedir (); /* change gpgProgram if needed */      HWND hwnd = NULL;
314              }      WORD ver[3], ptdver[4];
315          }      int rc, ec, created = 0;
316          else {      int first_start = 0, start_gpgprefs = 0;
317              msg_box (NULL, _("GPG home directory could not be determited."),      int winpt_inst_found = 0;
318                       _("WinPT Error"), MB_ERR);      int start_manager = 0;
319              goto start;      const char *s;
320          }  
321      }      glob_hinst = hinst;
322        if (cmdline && stristr (cmdline, "--stop")) {
323      rc = check_gnupg_prog ();          hwnd = FindWindow ("WinPT", "WinPT");
324      if (rc) {          if (hwnd != NULL)
325          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"              PostMessage (hwnd, WM_DESTROY, 0, 0);
326                               "Do you want to start the GPG preferences to "          return 0;
327                               "correct  this problem?"), _("WinPT Error"),      }
328                               MB_INFO|MB_YESNO) == IDYES)  
329              start_gpgprefs = 1;      /*
330          else      OSVERSIONINFO osinf;
331          {      memset (&osinf, 0, sizeof (osinf));
332              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      if (GetVersionEx (&osinf) &&
333              return 0;          osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
334          }          osinf.dwMinorVersion == 0) {
335      }          msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
336                     "WinPT Warning", MB_INFO);
337      rc = gnupg_access_files ();      }
338      if (!start_gpgprefs && rc)      */
339      {  
340          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)      #ifdef _DEBUG
341          {      gpg_set_debug_mode (1);
342              ec = msg_box (NULL,      debug = 1;
343                  _("Could not access and/or find the public and secret keyring.\n"      #endif
344                    "If this is an accident, quit the program and fix it.\n\n"  
345                    "Continue if you want that WinPT offers you more choices.\n"),      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
346                    "WinPT", MB_INFO|MB_YESNO);      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
347              if (ec == IDYES)                                   &ptdver[2], &ptdver[3]);
348                  first_start = 1;      /* XXX
349          }      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
350          if (!first_start)          log_box (_("WinPT Error"), MB_ERR,
351          {                   _("The PTD.dll file has a different version than WinPT.exe\n"
352              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                     "Please update the PTD.dll to version %d.%d.%d"),
353              return 0;                     ver[0], ver[1], ver[2]);
354          }          return 0;
355      }      }
356        */
357      if (!first_start)  
358      {      if (gpg_md_selftest ()) {
359          rc = gpg_check_permissions (1);          msg_box (NULL, _("Cryptographic selftest failed."),
360          if (rc && rc == 2)                   _("WinPT Error"), MB_ERR);
361              gpg_read_only = 1;          return 0;
362          else if (rc)      }
363              return 0;  
364      }      s = gpgme_check_version (MIN_GPGME_VER);
365        if (!s || !*s) {
366      load_gettext ();          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
367      init_gnupg_table ();                   _("WinPT Error"), MB_ERR);
368            return 0;
369      nfiles = fm_parse_command_line (cmdline);      }
370      if (nfiles > 0)  
371          return 0;      CreateMutex (NULL, TRUE, PGM_NAME);
372        if (GetLastError () == ERROR_ALREADY_EXISTS)
373      if (cmdline && stristr (cmdline, "--wipe-freespace")) {          winpt_inst_found = 1;
374          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,  
375                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,      if (cmdline && stristr (cmdline, "--mobile")) {
376                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
377          free_gnupg_table ();                   "WinPT", MB_INFO);
378          return 0;          mobile = 1;
379      }      }
380    
381      load_keyserver_conf (cmdline? 1 : 0);      set_default_kserver ();
382        load_gettext (winpt_inst_found);
383      if (cmdline && (stristr (cmdline, "--keymanager")  
384                  || stristr (cmdline, "--cardmanager"))) {      if (!mobile) {
385          update_keycache (GetDesktopWindow ());          regist_inst_gnupg (1);
386          if (stristr (cmdline, "keymanager"))          regist_inst_winpt (1, &created);
387              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      }
388                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      else {
389                              _("Key Manager"), IDS_WINPT_KEYMISC);            enable_mobile_mode ();
390          else {          /* XXX: ask for GPG path */
391              gpg_card_t crd = gpg_card_load ();          created = 1; /* Disable registry writing */
392              if (crd)      }
393                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,  
394                                    GetDesktopWindow(), card_edit_dlg_proc,      if (!created) {
395                                    (LPARAM)crd, _("Card Manager"),          memset (&reg_prefs, 0, sizeof (reg_prefs));
396                                    IDS_WINPT_CARD_EDIT);          reg_prefs.use_tmpfiles = 1; /* default */
397              gpg_card_release (crd);          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
398          }          get_reg_winpt_prefs (&reg_prefs);
399          keycache_release (0);          if (!reg_prefs.no_hotkeys)
400          free_gnupg_table ();              hotkeys_modify ();
401          return 0;          gnupg_load_config ();
402      }      }
403    
404      CreateMutex (NULL, TRUE, PGM_NAME);      if (is_gpg4win_installed ())
405      if (GetLastError () == ERROR_ALREADY_EXISTS) {          load_gpg_env (); /* XXX: check return code. */
406          free_gnupg_table ();  
407          return 0;      rc = gnupg_check_homedir ();
408      }      if (rc) {
409            log_box (_("WinPT Error"), MB_ERR,
410      if (cmdline) {                   _("GPG home directory is not set correctly.\n"
411          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {                     "Please check the GPG registry settings:\n%s."),
412              gpg_set_debug_mode (1);                   winpt_strerror (rc));
413              winpt_debug_msg ();          s = get_fileopen_dlg (GetActiveWindow (),
414              debug = 1;                                _("Select GPG Public Keyring"),
415          }                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
416      }                                NULL);
417            if (s != NULL) {
418      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));              size_t n;
419      rc = RegisterClass (&wc);              char *p = strrchr (s, '\\');
420      if (rc == FALSE) {              if (!p)
421          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);                  BUG (0);
422          free_gnupg_table ();              n = p - s;
423          return 0;              if (n) {
424      }                  char *file = new char[n+1];
425                    if (!file)
426      hwnd = CreateWindow (PGM_NAME,                      BUG (NULL);
427                           PGM_NAME,                  memset (file, 0, n);
428                           0, 0, 0, 0, 0,                  memcpy (file, s, n);
429                           NULL,                  file[n] = '\0';        
430                           NULL,                  set_reg_entry_gpg ("HomeDir", file);
431                           hinst,                  free_if_alloc (file);
432                           NULL);                  gnupg_check_homedir (); /* change gpgProgram if needed */
433      if (hwnd == NULL) {              }
434          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);          }
435          free_gnupg_table ();          else {
436          return 0;              msg_box (NULL, _("GPG home directory could not be determited."),
437      }                       _("WinPT Error"), MB_ERR);
438      glob_hwnd = hwnd;              goto start;
439      UpdateWindow (hwnd);          }
440        }
441      if (!first_start && !start_gpgprefs) {  
442          gnupg_backup_options ();              rc = check_gnupg_prog ();
443          rc = check_crypto_engine ();      if (rc) {
444          if (rc) {          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
445              DestroyWindow (hwnd);                               "Do you want to start the GPG preferences to "
446              free_gnupg_table ();                               "correct  this problem?"), _("WinPT Error"),
447              return 0;                               MB_INFO|MB_YESNO) == IDYES)
448          }              start_gpgprefs = 1;
449      }          else {
450                    msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
451      if (start_gpgprefs) {              return 0;
452          char *ring;          }
453          size_t size = 0;      }
454          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,  
455                          gpgprefs_dlg_proc, NULL);      rc = gnupg_access_files ();
456          ring = get_gnupg_keyring (0, !NO_STRICT);      if (!start_gpgprefs && rc) {
457          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
458              first_start = 1; /* The keyring is empty! */              ec = msg_box (NULL,
459          free_if_alloc (ring);                  _("Could not access and/or find the public and secret keyring.\n"
460      }                    "If this is an accident, quit the program and fix it.\n\n"
461                      "Continue if you want that WinPT offers you more choices.\n"),
462      if (first_start) {                    "WinPT", MB_INFO|MB_YESNO);
463          struct first_start_s fs;              if (ec == IDYES)
464          struct genkey_s c;                  first_start = 1;
465          HWND h;          }
466  start:          if (!first_start) {
467          h = GetDesktopWindow ();              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
468          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,              return 0;
469                              gpgprefs_dlg_proc, NULL);          }
470          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,      }
471                          first_run_dlg_proc, (LPARAM)&fs);      if (check_for_empty_keyrings (false))
472          switch (fs.choice) {          first_start = 1;
473          case SETUP_KEYGEN:  
474              c.interactive = 1;      if (!first_start) {
475              c.first_start = 1;          rc = gpg_check_permissions (1);
476              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,          if (rc && rc == 2)
477                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);              gpg_read_only = 1;
478              if (!rc)          else if (rc)
479                  goto start;              return 0;
480              break;      }
481        
482          case SETUP_IMPORT:      init_gnupg_table ();
483              rc = gnupg_copy_keyrings ();  
484              if (rc) {      if (fm_parse_command_line (cmdline) > 0) {
485                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          free_gnupg_table ();
486                  goto start;          return 0;
487              }      }
488              break;  
489        if (cmdline && stristr (cmdline, "--wipe-freespace")) {
490          case -1:          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
491              DestroyWindow (hwnd);                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
492              free_gnupg_table ();                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
493              return 0;          free_gnupg_table ();
494          }          return 0;
495          update_keycache (hwnd);      }
496          check_crypto_engine ();  
497      }      load_keyserver_conf (cmdline? 1 : 0);
498      else {  
499          gpg_keycache_t c;      if (cmdline && (stristr (cmdline, "--keymanager")
500          update_keycache (hwnd);                  || stristr (cmdline, "--cardmanager"))) {
501          c = keycache_get_ctx (1);          /* If an instance of WinPT is running, just send the command
502          if (!c || !gpg_keycache_get_size (c)) {             to open the key manager. Otherwise start a new instance.
503              gnupg_display_error ();           */
504              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"          HWND tray = FindWindow ("WinPT", "WinPT");
505                               "Please check your GPG config (keyrings, pathes...)"),          if (stristr (cmdline, "keymanager"))
506                               _("WinPT Error"), MB_ERR);              start_manager = ID_WINPT_KEY;
507              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"          else
508                                    "Do you want to start the GPG preferences dialog?"),              start_manager = ID_WINPT_CARD;
509                              "WinPT", MB_INFO|MB_YESNO);          if (tray != NULL) {
510              if (ec == IDYES) {              PostMessage (tray, WM_COMMAND, start_manager, 0);
511                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,              free_gnupg_table ();
512                                  gpgprefs_dlg_proc, NULL);              return 0;
513                  update_keycache (hwnd);          }
514              }      }
515              else {  
516                  DestroyWindow (hwnd);      /* If we found another WinPT instance, just quit to avoid it
517                  free_gnupg_table ();         will be executed twice. */
518                  return 0;      if (winpt_inst_found) {
519              }          log_debug ("%s", "WinMain: WinPT is already running.");
520          }          free_gnupg_table ();
521          if (check_default_key (c)) {          return 0;
522              char * p = get_gnupg_default_key ();      }
523              log_box (_("WinPT Error"), MB_ERR,  
524                       _("Default key from the GPG options file could not be found.\n"      if (cmdline) {
525                         "Please check your gpg.conf (options) to correct this:\n\n"          if (stristr (cmdline, "--enable-debug") ||
526                         "%s: public key not found."), p? p : "[null]");              stristr (cmdline, "--debug")) {
527              free_if_alloc (p);              gpg_set_debug_mode (1);
528              DestroyWindow (hwnd);              winpt_debug_msg ();
529              free_gnupg_table ();              debug = 1;
530              return 0;          }
531          }      }
532          if (count_insecure_elgkeys ())  
533              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
534                              elgamal_warn_dlg_proc, NULL);      rc = RegisterClass (&wc);
535      }      if (rc == FALSE) {
536            msg_box (NULL, _("Could not register window class"),
537      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);                   _("WinPT Error"), MB_ERR);
538      keyring_check_last_access (); /* init */          free_gnupg_table ();
539      while (GetMessage (&msg, hwnd, 0, 0)) {          return 0;
540          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {      }
541              TranslateMessage (&msg);  
542              DispatchMessage (&msg);      hwnd = CreateWindow (PGM_NAME,
543          }                           PGM_NAME,
544      }                           0, 0, 0, 0, 0,
545                                     NULL,
546      return 0;                           NULL,
547  } /* WinMain */                           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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