/[winpt]/trunk/Src/WinPT.cpp
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revision 12 by twoaday, Thu Apr 14 12:56:25 2005 UTC revision 154 by twoaday, Wed Jan 18 12:38:46 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    #ifdef HAVE_CONFIG_H
21  #include <windows.h>  #include <config.h>
22    #endif
23  #include "../resource.h"  
24  #include "wptTypes.h"  #include <windows.h>
25  #include "wptW32API.h"  #include <shlobj.h>
26  #include "wptVersion.h"  
27  #include "wptErrors.h"  #include "resource.h"
28  #include "wptGPG.h"  #include "wptTypes.h"
29  #include "wptRegistry.h"  #include "wptW32API.h"
30  #include "wptCommonCtl.h"  #include "wptVersion.h"
31  #include "wptDlgs.h"  #include "wptErrors.h"
32  #include "wptNLS.h"  #include "wptGPG.h"
33  #include "wptKeyserver.h"  #include "wptRegistry.h"
34  #include "wptCard.h"  #include "wptCommonCtl.h"
35  #include "wptFileManager.h"  #include "wptDlgs.h"
36  #include "wptContext.h"  #include "wptNLS.h"
37    #include "wptKeyserver.h"
38  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptCard.h"
39  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptFileManager.h"
40  HWND activ_hwnd;  #include "wptContext.h"
41  LOCK mo_file;  #include "wptCardEdit.h"
42  int scard_support = 0;  #include "wptCrypto.h"
43  int debug = 0;  
44  int mobile = 0;  
45  int gpg_read_only = 0;  HINSTANCE glob_hinst;   /* global instance for the dialogs */
46  char gpgver[3];  HWND glob_hwnd;         /* global window handle for the dialogs */
47    HWND activ_hwnd;
48    int scard_support = 0;
49  static void  int debug = 0;
50  update_keycache (HWND hwnd)  int mobile = 0;
51  {  int gpg_read_only = 0;
52      refresh_cache_s rcs = {0};  char gpgver[3];
53      rcs.kr_reload = 0;  
54      rcs.kr_update = 1;  
55      rcs.tr_update = 1;  /* Load the key cache and rebuild the signature cache. */
56      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  static void
57                      keycache_dlg_proc, (LPARAM)&rcs);  update_keycache (HWND hwnd)
58  } /* update_keycache */  {
59        refresh_cache_s rcs = {0};
60        rcs.kr_reload = 0;
61  static char *      rcs.kr_update = 1;
62  get_gettext_lang (void)      rcs.tr_update = 1;
63  {          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
64      char * fname;                      keycache_dlg_proc, (LPARAM)&rcs);
65      fname = get_reg_entry_mo ();  }
66      if (!fname)  
67          return NULL;  
68      return fname;  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
69  } /* get_gettext_lang */  void
70    gpg_set_debug_mode (int val)
71    {      
72  static void      if (val)
73  load_gettext (void)          putenv ("GPGME_DEBUG=5:gpgme.dbg");
74  {      else
75      char * nls = NULL;          putenv ("GPGME_DEBUG=");
76      char * file = NULL;  }
77    
78      nls = get_gettext_lang ();  
79      if (nls) {  /* Return the name of the gettext language file. */
80          set_gettext_file ("winpt", nls);  static char*
81          file = make_filename (nls, "winpt", "mo");  get_gettext_lang (void)
82          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  {    
83              msg_box (NULL, _("Could not initizalize file lock.\n"      char *fname;
84                               "Native Language Support"),      fname = get_reg_entry_mo ();
85                       _("WinPT Error"), MB_ERR);      if (!fname)
86          }          return NULL;
87          free_if_alloc (nls);      return fname;
88          free_if_alloc (file);  }
89      }  
90  } /* load_gettext */  
91    /* Initialize the gettext sub system. */
92    static void
93  /* check if the default key from the gpg.conf file is available in the  load_gettext (int prev_inst)
94     keyring. if not, bail out because encryption won't work properly then. */  {
95  static int      char *nls = NULL;
96  check_default_key (gpgme_keycache_t kc)  
97  {      nls = get_gettext_lang ();
98      gpgme_key_t key;      if (nls != NULL) {
99      gpgme_error_t err = GPGME_No_Error;          set_gettext_file ("winpt", nls);
100      char * defkey;          free_if_alloc (nls);
101        }
102      defkey = get_gnupg_default_key ();  }
103      if (defkey)  
104          err = gpgme_keycache_find_key (kc, defkey, 0, &key);  
105      free_if_alloc (defkey);  /* Load the GPG environment. On the first start, some
106      return err? -1 : 0;     checks are performed to find out in what state GPG is.
107  } /* check_default_key */     Return value: 0  everything OK.
108                     >0  fatal error.
109                     -1 public keyring is empty or does not exist. */
110  /* Return the WinPT program file name (with full pathname). */  static int
111  static const char *  load_gpg_env (void)
112  get_prog_part (const char * fname, int use_cwd)  {
113  {      SECURITY_ATTRIBUTES sec_attr;
114      static char program[1024];      char *p;
115      char currdir[256], * cmd = NULL;      char *pkr;
116      int j;  
117                p = get_reg_entry_gpg4win ("gpg.exe");
118      memset (currdir, 0, DIM (currdir));      if (!p)
119      memset (program, 0, DIM (program));          return (1);
120                if (file_exist_check (p)) {
121      if (use_cwd) {          free_if_alloc (p);
122          GetCurrentDirectory (DIM (currdir)-1, currdir);          return (1);
123          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      }
124      }      free_if_alloc (p);
125      else {      p = multi_gnupg_path (0);
126          cmd = GetCommandLine ();      if (p && dir_exist_check (p)) {
127          if (cmd == NULL)          memset (&sec_attr, 0, sizeof (sec_attr));
128              return NULL;          sec_attr.nLength = sizeof (sec_attr);
129          strncpy (currdir, cmd, 255);          if (!CreateDirectory (p, &sec_attr)) {
130          j = strlen (currdir);              msg_box (NULL, _("Could not create GPG home directory"),
131          while (j--) {                       _("WinPT Error"), MB_ERR);
132              if (currdir[j] == '\\')              free_if_alloc (p);
133                  break;                        return (2);
134          }          }
135          currdir[j] = 0;      }
136          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);      pkr = make_filename (p, "pubring", "gpg");
137      }      free_if_alloc (p);
138      return program;      if (!pkr)
139  } /* get_prog_part */          return -1;
140        if (get_file_size (pkr) == 0) {
141            free_if_alloc (pkr);
142  static int          return -1;
143  check_crypto_engine (void)      }
144  {      return 0;
145      int ma=1, mi=2, pa=4; /* GPG 1.2.4 */  }
146      int rc;  
147    
148      rc = check_gnupg_engine (&ma, &mi, &pa);  /* check if the default key from the gpg.conf file is available in the
149      if (rc == -1) {     keyring. if not, bail out because encryption won't work properly then. */
150          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);  static int
151          return rc;  check_default_key (gpg_keycache_t kc)
152      }  {
153      else if (rc) {      gpgme_key_t key;
154          log_box (_("WinPT Error"), MB_ERR,      gpgme_error_t err = GPG_ERR_NO_ERROR;
155                   _("Sorry, you need a newer GPG version.\n"      char *defkey;
156                     "GPG version %d.%d.%d requred GPG version 1.2.4"),  
157                     ma, mi, pa);      defkey = get_gnupg_default_key ();
158          return rc;      if (defkey)
159      }          err = gpg_keycache_find_key (kc, defkey, 0, &key);
160      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */      else
161      if (ma >= 1 && mi >= 4)          msg_box (NULL, _("No useable secret key found."),
162          scard_support = 1;                   _("WinPT Error"), MB_ERR);
163        free_if_alloc (defkey);
164      gpgver[0] = ma;      return err? -1 : 0;
165      gpgver[1] = mi;  }
166      gpgver[2] = pa;  
167      return rc;  
168  } /* check_crypto_engine */  /* Return the WinPT program file name (with full pathname). */
169    static const char*
170    get_prog_part (const char * fname, int use_cwd)
171  static int  {
172  load_keyserver_conf (int quiet)      static char program[512];
173  {      char currdir[256];
174      const char * t;      char *cmd = NULL;
175      int rc;      int j;
176            
177      if (reg_prefs.kserv_conf)      memset (currdir, 0, DIM (currdir));
178          t = reg_prefs.kserv_conf;      memset (program, 0, DIM (program));
179      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))          
180          t = get_prog_part ("keyserver.conf", 0);      if (use_cwd) {
181      else          GetCurrentDirectory (DIM (currdir)-1, currdir);
182          t = "keyserver.conf";          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
183      rc = kserver_load_conf (t);      }
184      if (rc && !quiet)      else {
185          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);          cmd = GetCommandLine ();
186      return rc;          if (cmd == NULL)
187  }              return NULL;
188            strncpy (currdir, cmd, sizeof (currdir)-1);
189            j = strlen (currdir);
190  static void          while (j--) {
191  enable_mobile_mode (void)              if (currdir[j] == '\\')
192  {                  break;
193      memset (&reg_prefs, 0, sizeof (reg_prefs));          }
194      reg_prefs.always_trust = 0;          currdir[j] = 0;
195      reg_prefs.auto_backup = 0;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
196      reg_prefs.cache_time = 0;      }
197      reg_prefs.expert = 0;      return program;
198      reg_prefs.keylist_mode = 1;  }
199      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
200      reg_prefs.no_zip_mmedia = 1;  
201      reg_prefs.use_tmpfiles = 1;  /* Check that the underlying crypto engine fullfills the minimal
202      reg_prefs.word_wrap = 80;     requirements so all commands work properly. */
203      reg_prefs.use_viewer = 0; /* XXX */  static bool
204  }  check_crypto_engine (void)
205    {
206  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      int ma=0, mi=0, pa=0;
207        int rc;
208  int WINAPI  
209  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
210  {      if (rc == -1) {
211      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};          msg_box (NULL, _("Could not read GnuPG version."),
212      HACCEL accel_tab;                   _("WinPT Error"), MB_ERR);
213      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;          return false;
214      int first_start = 0, start_gpgprefs = 0;      }
215      const char * s;      else if (rc) {
216      MSG msg;          log_box (_("WinPT Error"), MB_ERR,
217      HWND hwnd;                   _("Sorry, you need a newer GPG version.\n"
218                       "GPG version %d.%d.%d required GPG version "NEED_GPG_VERSION),
219      glob_hinst = hinst;                     ma, mi, pa);
220                return false;
221      gpgme_lib_init ();      }
222      #ifdef _DEBUG      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
223      gpgme_set_debug_mode (1);      if (ma > 1 || pa >= 3)    
224      #endif          scard_support = 1;
225      gpgme_set_pgm_string ("WinPT "PGM_VERSION);  
226        gpgver[0] = ma;
227      s = PTD_get_version ();      gpgver[1] = mi;
228      if (strcmp (s, "0.8.0")) {      gpgver[2] = pa;
229          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      return true;
230                   _("Please update your PTD.dll to the newest version, "  }
231                     "the version (%s) you use is too old."), s);  
232          return 0;  
233      }  /* Try to load the keyserver config file. If @quiet is 1
234       do not show any errors. */
235      if (gpg_md_selftest ()) {  static int
236          msg_box (NULL, _("Cryptographic selftest failed."),  load_keyserver_conf (int quiet)
237                   _("WinPT Error"), MB_ERR);  {
238          return 0;      char *buf;
239      }      const char *t;
240        int rc;
241      if (cmdline && stristr (cmdline, "--mobile"))  
242          mobile = 1;      /* Create $APPDATA\winpt if needed. */
243        buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL);
244      set_default_kserver ();      if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) {
245            MessageBox (NULL, _("Failed to create WinPT directory"),
246      if (!mobile) {                      _("Keyserver"), MB_ERR);
247          regist_inst_gnupg (1);          free_if_alloc (buf);
248          regist_inst_winpt (1, &created);          return -1;
249      }      }
250      else {      free_if_alloc (buf);
251          enable_mobile_mode ();  
252          /* XXX: ask for GPG path */      /* Check for $APPDATA\winpt\keyserver.conf */
253          created = 1; /* Disable registry writing */      buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL);
254      }  
255        if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
256      if (!created) {          t = get_prog_part ("keyserver.conf", 0);
257          memset (&reg_prefs, 0, sizeof (reg_prefs));      else
258          reg_prefs.use_tmpfiles = 1; /* default */          t = "keyserver.conf";
259          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) {
260          get_reg_winpt_prefs (&reg_prefs);          log_box (_("Keyserver"), MB_INFO,
261          if (!reg_prefs.no_hotkeys)                   _("keyserver.conf will be copied to \"%s\"\r\n"), buf);
262              hotkeys_modify ();          if (!CopyFile (t, buf, FALSE)) {
263      }              MessageBox (NULL, _("Failed to copy the keyserver.conf"),
264                            _("Keyserver"), MB_ERR);
265      rc = gnupg_check_homedir ();              free_if_alloc (buf);
266      if (rc) {              return -1;
267          log_box (_("WinPT Error"), MB_ERR,          }
268                   _("GPG home directory is not set correctly.\n"          t = buf;
269                     "Please check the GPG registry settings:\n%s."),      }
270                   winpt_strerror (rc));      else
271          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,          t = buf;
272                                             _("Select GPG Public Keyring"),      
273                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),      rc = kserver_load_conf (t);
274                                             NULL);      if (rc && !quiet)
275          if (s && !file_exist_check (s))          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
276          {      else {
277              size_t n;          free_if_alloc (reg_prefs.kserv_conf);
278              char * p = strrchr (s, '\\');          reg_prefs.kserv_conf = m_strdup (t);
279              if (!p)      }
280                  BUG (0);      free_if_alloc (buf);
281              n = p - s;      return rc;
282              if (n)  }
283              {  
284                  char * file = new char[n+1];  
285                  if (!file)  /* Check if both keyrings are empty. This indicates that
286                      BUG (NULL);     WinPT should offer to generate a key pair. */
287                  memset (file, 0, n);  static bool
288                  memcpy (file, s, n);  check_for_empty_keyrings (bool pub_only)
289                  file[n] = '\0';          {
290                  set_reg_entry_gpg ("HomeDir", file);      char *p;
291                  free_if_alloc (file);      int n = 0;
292                  gnupg_check_homedir (); /* change gpgProgram if needed */  
293              }      p = get_gnupg_keyring (1, 0);
294          }      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
295          else {          n++;
296              msg_box (NULL, _("GPG home directory could not be determited."),      free_if_alloc (p);
297                       _("WinPT Error"), MB_ERR);      if (pub_only)
298              goto start;          return n == 1? true : false;
299          }      p = get_gnupg_keyring (0, 0);
300      }      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
301            n++;
302      rc = check_gnupg_prog ();      free_if_alloc (p);
303      if (rc) {      return n==2? true : false;
304          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"  }
305                               "Do you want to start the GPG preferences to "  
306                               "correct  this problem?"), _("WinPT Error"),  
307                               MB_INFO|MB_YESNO) == IDYES)  /* Enable the mobility mode. */
308              start_gpgprefs = 1;  static void
309          else  enable_mobile_mode (void)
310          {  {
311              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      memset (&reg_prefs, 0, sizeof (reg_prefs));
312              return 0;      reg_prefs.always_trust = 0;
313          }      reg_prefs.auto_backup = 0;
314      }      reg_prefs.cache_time = 0;
315        reg_prefs.expert = 0;
316      rc = gnupg_access_files ();      reg_prefs.keylist_mode = 1;
317      if (!start_gpgprefs && rc)      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
318      {      reg_prefs.no_zip_mmedia = 1;
319          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)      reg_prefs.use_tmpfiles = 1;
320          {      reg_prefs.word_wrap = 80;
321              ec = msg_box (NULL,      reg_prefs.use_viewer = 0; /* XXX */
322                  _("Could not access and/or find the public and secret keyring.\n"  }
323                    "If this is an accident, quit the program and fix it.\n\n"  
324                    "Continue if you want that WinPT offers you more choices.\n"),  
325                    "WinPT", MB_INFO|MB_YESNO);  /* Main entry point. */
326              if (ec == IDYES)  int WINAPI
327                  first_start = 1;  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
328          }  {
329          if (!first_start)      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
330          {      HACCEL accel_tab;
331              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      MSG msg;
332              return 0;      HWND hwnd = NULL;
333          }      WORD ver[3], ptdver[4];
334      }      int rc, ec, created = 0;
335        int first_start = 0, start_gpgprefs = 0;
336      if (!first_start)      int winpt_inst_found = 0;
337      {      int start_manager = 0;
338          rc = gpg_check_permissions (1);      const char *s;
339          if (rc && rc == 2)  
340              gpg_read_only = 1;      glob_hinst = hinst;
341          else if (rc)      if (cmdline && stristr (cmdline, "--stop")) {
342              return 0;          hwnd = FindWindow ("WinPT", "WinPT");
343      }          if (hwnd != NULL)
344                PostMessage (hwnd, WM_DESTROY, 0, 0);
345      load_gettext ();          return 0;
346      init_gnupg_table ();      }
347    
348      nfiles = fm_parse_command_line (cmdline);      /*
349      if (nfiles > 0)      OSVERSIONINFO osinf;
350          return 0;      memset (&osinf, 0, sizeof (osinf));
351        if (GetVersionEx (&osinf) &&
352      if (cmdline && stristr (cmdline, "--wipe-freespace")) {          osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
353          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,          osinf.dwMinorVersion == 0) {
354                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,          msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
355                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);                   "WinPT Warning", MB_INFO);
356          free_gnupg_table ();      }
357          return 0;      */
358      }  
359        #ifdef _DEBUG
360      load_keyserver_conf (cmdline? 1 : 0);      gpg_set_debug_mode (1);
361      if (cmdline && (stristr (cmdline, "--keymanager")      debug = 1;
362                  || stristr (cmdline, "--cardmanager"))) {      #endif
363          update_keycache (GetDesktopWindow ());  
364          if (stristr (cmdline, "keymanager"))      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
365              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
366                              GetDesktopWindow(), keymanager_dlg_proc, NULL,                                   &ptdver[2], &ptdver[3]);
367                              _("Key Manager"), IDS_WINPT_KEYMISC);      /* XXX
368          else {      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
369              gpgme_card_t crd = smartcard_init ();          log_box (_("WinPT Error"), MB_ERR,
370              if (crd)                   _("The PTD.dll file has a different version than WinPT.exe\n"
371                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,                     "Please update the PTD.dll to version %d.%d.%d"),
372                                    GetDesktopWindow(), card_edit_dlg_proc,                     ver[0], ver[1], ver[2]);
373                                    (LPARAM)crd, _("Card Manager"),          return 0;
374                                    IDS_WINPT_CARD_EDIT);      }
375              gpgme_card_release (crd);      */
376          }  
377          keycache_release ();      if (gpg_md_selftest ()) {
378          free_gnupg_table ();          msg_box (NULL, _("Cryptographic selftest failed."),
379          return 0;                   _("WinPT Error"), MB_ERR);
380      }          return 0;
381        }
382      CreateMutex (NULL, TRUE, PGM_NAME);  
383      if (GetLastError () == ERROR_ALREADY_EXISTS) {      s = gpgme_check_version (NEED_GPGME_VERSION);
384          free_gnupg_table ();      if (!s || !*s) {
385          return 0;          msg_box (NULL, _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
386      }                   _("WinPT Error"), MB_ERR);
387            return 0;
388      if (cmdline) {      }
389          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {  
390              gpgme_set_debug_mode (1);      CreateMutex (NULL, TRUE, PGM_NAME);
391              winpt_debug_msg ();      if (GetLastError () == ERROR_ALREADY_EXISTS)
392              debug = 1;          winpt_inst_found = 1;
393          }  
394      }      if (cmdline && stristr (cmdline, "--mobile")) {
395            msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
396      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));                   "WinPT", MB_INFO);
397      rc = RegisterClass (&wc);          mobile = 1;
398      if (rc == FALSE) {      }
399          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);  
400          free_gnupg_table ();      set_default_kserver ();
401          return 0;      load_gettext (winpt_inst_found);
402      }  
403        if (!mobile) {
404      hwnd = CreateWindow (PGM_NAME,          regist_inst_gnupg (1);
405                           PGM_NAME,          regist_inst_winpt (1, &created);
406                           0, 0, 0, 0, 0,      }
407                           NULL,      else {
408                           NULL,          enable_mobile_mode ();
409                           hinst,          /* XXX: ask for GPG path */
410                           NULL);          created = 1; /* Disable registry writing */
411      if (hwnd == NULL) {      }
412          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);  
413          free_gnupg_table ();      if (!created) {
414          return 0;          memset (&reg_prefs, 0, sizeof (reg_prefs));
415      }          reg_prefs.use_tmpfiles = 1; /* default */
416      glob_hwnd = hwnd;          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
417      UpdateWindow (hwnd);          get_reg_winpt_prefs (&reg_prefs);
418            if (!reg_prefs.no_hotkeys)
419      if (!first_start && !start_gpgprefs) {              hotkeys_modify ();
420          gnupg_backup_options (1);          gnupg_load_config ();
421          gnupg_backup_options (0);      }
422            
423          rc = check_crypto_engine ();      if (is_gpg4win_installed ())
424          if (rc) {          load_gpg_env (); /* XXX: check return code. */
425              DestroyWindow (hwnd);  
426              free_gnupg_table ();      rc = gnupg_check_homedir ();
427              return 0;      if (rc) {
428          }          log_box (_("WinPT Error"), MB_ERR,
429      }                   _("GPG home directory is not set correctly.\n"
430                       "Please check the GPG registry settings:\n%s."),
431      if (start_gpgprefs)                   winpt_strerror (rc));
432      {          s = get_fileopen_dlg (GetActiveWindow (),
433          char *ring;                                _("Select GPG Public Keyring"),
434          size_t size = 0;                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
435          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                                NULL);
436                          gpgprefs_dlg_proc, NULL);          if (s != NULL) {
437          ring = get_gnupg_keyring (0, !NO_STRICT);              size_t n;
438          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)              char *p = strrchr (s, '\\');
439              first_start = 1; /* The keyring is empty! */              if (!p)
440          free_if_alloc (ring);                  BUG (0);
441      }              n = p - s;
442                if (n) {
443      if (first_start) {                  char *file = new char[n+1];
444          struct key_wizard_s c, dummy;                  if (!file)
445  start:                      BUG (NULL);
446          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, hwnd,                  memset (file, 0, n);
447                          first_run_dlg_proc, (LPARAM)&dummy);                  memcpy (file, s, n);
448          switch (dummy.interactive)                  file[n] = '\0';        
449          {                  set_reg_entry_gpg ("HomeDir", file);
450          case SETUP_KEYGEN:                  free_if_alloc (file);
451              c.interactive = 1;                  gnupg_check_homedir (); /* change gpgProgram if needed */
452              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,              }
453                                   hwnd, keygen_wizard_dlg_proc, (LPARAM)&c);          }
454              if (!rc)          else {
455                  goto start;              msg_box (NULL, _("GPG home directory could not be determited."),
456              break;                       _("WinPT Error"), MB_ERR);
457                goto start;
458          case SETUP_IMPORT:          }
459              rc = gnupg_copy_keyrings ();      }
460              if (rc) {  
461                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      rc = check_gnupg_prog ();
462                  goto start;      if (rc) {
463              }          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
464              break;                               "Do you want to start the GPG preferences to "
465                                 "correct  this problem?"), _("WinPT Error"),
466          case SETUP_EXISTING:                               MB_INFO|MB_YESNO) == IDYES)
467              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,              start_gpgprefs = 1;
468                              gpgprefs_dlg_proc, NULL);          else {
469              break;              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
470                return 0;
471          case -1:          }
472              DestroyWindow (hwnd);      }
473              free_gnupg_table ();  
474              return 0;      rc = gnupg_access_files ();
475          }      if (!start_gpgprefs && rc) {
476          update_keycache (hwnd);          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
477          check_crypto_engine ();              ec = msg_box (NULL,
478      }                  _("Could not access and/or find the public and secret keyring.\n"
479      else {                    "If this is an accident, quit the program and fix it.\n\n"
480          gpgme_keycache_t c;                    "Continue if you want that WinPT offers you more choices.\n"),
481          update_keycache (hwnd);                    "WinPT", MB_INFO|MB_YESNO);
482          c = keycache_get_ctx (1);              if (ec == IDYES)
483          if (!c || !gpgme_keycache_count (c)) {                  first_start = 1;
484              gnupg_display_error ();          }
485              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"          if (!first_start) {
486                               "Please check your GPG config (keyrings, pathes...)"),              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
487                               _("WinPT Error"), MB_ERR);              return 0;
488              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"          }
489                                    "Do you want to start the GPG preferences dialog?"),      }
490                              "WinPT", MB_INFO|MB_YESNO);      if (check_for_empty_keyrings (false))
491              if (ec == IDYES) {          first_start = 1;
492                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,  
493                                  gpgprefs_dlg_proc, NULL);      if (!first_start) {
494                  update_keycache (hwnd);          rc = gpg_check_permissions (1);
495              }          if (rc && rc == 2)
496              else {              gpg_read_only = 1;
497                  DestroyWindow (hwnd);          else if (rc)
498                  free_gnupg_table ();              return 0;
499                  return 0;      }
500              }      
501          }      init_gnupg_table ();
502          if (check_default_key (c)) {  
503              char * p = get_gnupg_default_key ();      if (fm_parse_command_line (cmdline) > 0) {
504              log_box (_("WinPT Error"), MB_ERR,          free_gnupg_table ();
505                       _("Default key from the GPG options file could not be found.\n"          return 0;
506                         "Please check your gpg.conf (options) to correct this:\n\n"      }
507                         "%s: public key not found."), p? p : "[null]");  
508              free_if_alloc (p);      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
509              DestroyWindow (hwnd);          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
510              free_gnupg_table ();                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
511              return 0;                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
512          }          free_gnupg_table ();
513          if (count_insecure_elgkeys ())          return 0;
514              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,      }
515                              elgamal_warn_dlg_proc, NULL);  
516      }      load_keyserver_conf (cmdline? 1 : 0);
517    
518      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);      if (cmdline && (stristr (cmdline, "--keymanager")
519      keyring_check_last_access (); /* init */                  || stristr (cmdline, "--cardmanager"))) {
520      while (GetMessage (&msg, hwnd, 0, 0)) {          /* If an instance of WinPT is running, just send the command
521          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {             to open the key manager. Otherwise start a new instance.
522              TranslateMessage (&msg);           */
523              DispatchMessage (&msg);          HWND tray = FindWindow ("WinPT", "WinPT");
524          }          if (stristr (cmdline, "keymanager"))
525      }              start_manager = ID_WINPT_KEY;
526                    else
527      return 0;              start_manager = ID_WINPT_CARD;
528  } /* WinMain */          if (tray != NULL) {
529                PostMessage (tray, WM_COMMAND, start_manager, 0);
530                free_gnupg_table ();
531                return 0;
532            }
533        }
534    
535        /* If we found another WinPT instance, just quit to avoid it
536           will be executed twice. */
537        if (winpt_inst_found) {
538            log_debug ("%s", "WinMain: WinPT is already running.");
539            free_gnupg_table ();
540            return 0;
541        }
542    
543        if (cmdline) {
544            if (stristr (cmdline, "--enable-debug") ||
545                stristr (cmdline, "--debug")) {
546                gpg_set_debug_mode (1);
547                winpt_debug_msg ();
548                debug = 1;
549            }
550        }
551    
552        wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
553        rc = RegisterClass (&wc);
554        if (rc == FALSE) {
555            msg_box (NULL, _("Could not register window class"),
556                     _("WinPT Error"), MB_ERR);
557            free_gnupg_table ();
558            return 0;
559        }
560    
561        hwnd = CreateWindow (PGM_NAME,
562                             PGM_NAME,
563                             0, 0, 0, 0, 0,
564                             NULL,
565                             NULL,
566                             hinst,
567                             NULL);
568        if (hwnd == NULL) {
569            msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
570            free_gnupg_table ();
571            return 0;
572        }
573        glob_hwnd = hwnd;
574        UpdateWindow (hwnd);
575    
576        if (!first_start && !start_gpgprefs) {
577            gnupg_backup_options ();        
578            if (!check_crypto_engine ()) {
579                DestroyWindow (hwnd);
580                free_gnupg_table ();
581                return 0;
582            }
583        }
584        
585        if (start_gpgprefs) {
586            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
587                            gpgprefs_dlg_proc, 0);
588            if (check_for_empty_keyrings (true))
589                first_start = 1; /* The public keyring is empty! */
590        }
591    
592        if (first_start) {
593            struct first_start_s fs;
594            struct genkey_s c;
595            HWND h;
596    start:
597            h = GetDesktopWindow ();
598            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
599                                gpgprefs_dlg_proc, 0);
600            DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
601                            first_run_dlg_proc, (LPARAM)&fs);
602            switch (fs.choice) {
603            case SETUP_KEYGEN:
604                c.interactive = 1;
605                c.first_start = 1;
606                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
607                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
608                if (!rc)
609                    goto start;
610                break;
611    
612            case SETUP_IMPORT:
613                rc = gnupg_copy_keyrings ();
614                if (rc) {
615                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
616                    goto start;
617                }
618                break;
619    
620            case -1: /* Cancel/Abort. */
621                DestroyWindow (hwnd);
622                free_gnupg_table ();
623                return 0;
624            }
625            update_keycache (hwnd);
626            check_crypto_engine ();
627        }
628        else {
629            gpg_keycache_t c;
630            update_keycache (hwnd);
631            c = keycache_get_ctx (1);
632            if (!c || !gpg_keycache_get_size (c)) {
633                gnupg_display_error ();
634                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
635                                 "Please check your GPG config (keyrings, pathes...)"),
636                                 _("WinPT Error"), MB_ERR);
637                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
638                                      "Do you want to start the GPG preferences dialog?"),
639                                "WinPT", MB_INFO|MB_YESNO);
640                if (ec == IDYES) {
641                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
642                                    gpgprefs_dlg_proc, 0);
643                    update_keycache (hwnd);
644                }
645                else {
646                    DestroyWindow (hwnd);
647                    free_gnupg_table ();
648                    return 0;
649                }
650            }
651            if (check_default_key (c)) {
652                char *p = get_gnupg_default_key ();
653                log_box (_("WinPT Error"), MB_ERR,
654                         _("Default key from the GPG options file could not be found.\n"
655                           "Please check your gpg.conf (options) to correct this:\n\n"
656                           "%s: public key not found."), p? p : "[null]");
657                free_if_alloc (p);
658                DestroyWindow (hwnd);
659                free_gnupg_table ();
660                return 0;
661            }
662            if (count_insecure_elgkeys ())
663                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
664                                elgamal_warn_dlg_proc, 0);
665        }
666    
667        if (start_manager)
668            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
669    
670        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
671        keyring_check_last_access (); /* init */
672        while (GetMessage (&msg, hwnd, 0, 0)) {
673            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
674                TranslateMessage (&msg);
675                DispatchMessage (&msg);
676            }
677        }
678            
679        return 0;
680    }
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