/[winpt]/trunk/Src/WinPT.cpp
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revision 32 by twoaday, Mon Oct 24 08:03:48 2005 UTC revision 172 by twoaday, Mon Jan 30 13:47:35 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"  #include <shlobj.h>
26  #include "wptErrors.h"  
27  #include "wptGPG.h"  #include "resource.h"
28  #include "wptRegistry.h"  #include "wptTypes.h"
29  #include "wptCommonCtl.h"  #include "wptW32API.h"
30  #include "wptDlgs.h"  #include "wptVersion.h"
31  #include "wptNLS.h"  #include "wptErrors.h"
32  #include "wptKeyserver.h"  #include "wptGPG.h"
33  #include "wptCard.h"  #include "wptRegistry.h"
34  #include "wptFileManager.h"  #include "wptCommonCtl.h"
35  #include "wptContext.h"  #include "wptDlgs.h"
36  #include "wptCardEdit.h"  #include "wptNLS.h"
37    #include "wptKeyserver.h"
38    #include "wptCard.h"
39  #define MIN_GPG_VER   "1.4.3"   /* Minimal GPG version. */  #include "wptFileManager.h"
40  #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */  #include "wptContext.h"
41  #define MIN_PTD_VER   "0.8.1"   /* Minimal PTD version. */  #include "wptCardEdit.h"
42    #include "wptCrypto.h"
43    
44  HINSTANCE glob_hinst;   /* global instance for the dialogs */  void remove_crit_file_attrs (const char *fname, int force);
45  HWND glob_hwnd;         /* global window handle for the dialogs */  
46  HWND activ_hwnd;  
47  LOCK mo_file;  HINSTANCE glob_hinst;   /* global instance for the dialogs */
48  int scard_support = 0;  HWND glob_hwnd;         /* global window handle for the dialogs */
49  int debug = 0;  HWND activ_hwnd;
50  int mobile = 0;  int scard_support = 0;
51  int gpg_read_only = 0;  int debug = 0;
52  char gpgver[3];  int mobile = 0;
53    int gpg_read_only = 0;
54    char gpgver[3];
55  /* Load the key cache and rebuild the signature cache. */  
56  static void  
57  update_keycache (HWND hwnd)  /* Load the key cache and rebuild the signature cache. */
58  {  static void
59      refresh_cache_s rcs = {0};  update_keycache (HWND hwnd)
60      rcs.kr_reload = 0;  {
61      rcs.kr_update = 1;      refresh_cache_s rcs = {0};
62      rcs.tr_update = 1;      rcs.kr_reload = 0;
63      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,      rcs.kr_update = 1;
64                      keycache_dlg_proc, (LPARAM)&rcs);      rcs.tr_update = 1;
65  }      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
66                        keycache_dlg_proc, (LPARAM)&rcs);
67    }
68  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */  
69  void  
70  gpg_set_debug_mode (int val)  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
71  {        void
72      if (val)  gpg_set_debug_mode (int val)
73          putenv ("GPGME_DEBUG=5:gpgme.dbg");  {      
74      else      if (val)
75          putenv ("GPGME_DEBUG=");          putenv ("GPGME_DEBUG=5:gpgme.dbg");
76  }      else
77            putenv ("GPGME_DEBUG=");
78    }
79  /* Return the name of the gettext language file. */  
80  static char*  
81  get_gettext_lang (void)  /* Return the name of the gettext language file. */
82  {      static char*
83      char *fname;  get_gettext_lang (void)
84      fname = get_reg_entry_mo ();  {    
85      if (!fname)      char *fname;
86          return NULL;      fname = get_reg_entry_mo ();
87      return fname;      if (!fname)
88  }          return NULL;
89        return fname;
90    }
91  /* Initialize the gettext sub system. */  
92  static void  
93  load_gettext (void)  /* Initialize the gettext sub system. */
94  {  static void
95      char *nls = NULL;  load_gettext (int prev_inst)
96      char *file = NULL;  {
97        char *nls = NULL;
98      nls = get_gettext_lang ();  
99      if (nls) {      nls = get_gettext_lang ();
100          set_gettext_file ("winpt", nls);      if (nls != NULL) {
101          file = make_filename (nls, "winpt", "mo");          set_gettext_file ("winpt", nls);
102          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {          free_if_alloc (nls);
103              msg_box (NULL, _("Could not initizalize file lock.\n"      }
104                               "Native Language Support"),  }
105                       _("WinPT Error"), MB_ERR);  
106          }  
107          free_if_alloc (nls);  /* Return true if the GPG environment is useable. */
108          free_if_alloc (file);  static bool
109      }  gpg_prefs_ok (void)
110  }  {
111        char *p;
112    
113  /* check if the default key from the gpg.conf file is available in the      p = get_reg_entry_gpg4win ("gpg.exe");
114     keyring. if not, bail out because encryption won't work properly then. */      if (!p || file_exist_check (p) != 0) {
115  static int          free_if_alloc (p);
116  check_default_key (gpg_keycache_t kc)          p = get_reg_entry_gpg ("gpgProgram");
117  {          if (!p || file_exist_check (p) != 0) {
118      gpgme_key_t key;              free_if_alloc (p);
119      gpgme_error_t err = GPG_ERR_NO_ERROR;              return false;
120      char * defkey;          }
121        }
122      defkey = get_gnupg_default_key ();      free_if_alloc (p);
123      if (defkey)      p = get_reg_entry_gpg4win (NULL);    
124          err = gpg_keycache_find_key (kc, defkey, 0, &key);      if (!p || dir_exist_check (p) != 0) {
125      free_if_alloc (defkey);          free_if_alloc (p);
126      return err? -1 : 0;          p = get_reg_entry_gpg ("HomeDir");
127  }          if (!p || dir_exist_check (p) != 0) {
128                free_if_alloc (p);
129                return false;
130  /* Return the WinPT program file name (with full pathname). */          }
131  static const char *      }
132  get_prog_part (const char * fname, int use_cwd)      free_if_alloc (p);
133  {      return true;
134      static char program[512];  }
135      char currdir[256];  
136      char *cmd = NULL;  
137      int j;  /* Check gpg files if they are read-only and ask the user
138               if this should be corrected. */
139      memset (currdir, 0, DIM (currdir));  static void
140      memset (program, 0, DIM (program));  check_readonly_attr (const char *homedir)
141            {
142      if (use_cwd) {      const char *files[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg", NULL};
143          GetCurrentDirectory (DIM (currdir)-1, currdir);      char *file;
144          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      int i;
145      }  
146      else {      for (i=0; files[i] != NULL; i++) {
147          cmd = GetCommandLine ();          file = make_filename (homedir, files[i], NULL);
148          if (cmd == NULL)          remove_crit_file_attrs (file, 0);
149              return NULL;          free_if_alloc (file);
150          strncpy (currdir, cmd, sizeof (currdir)-1);      }
151          j = strlen (currdir);  }
152          while (j--) {  
153              if (currdir[j] == '\\')  
154                  break;  /* Load the GPG environment. On the first start, some
155          }     checks are performed to find out in what state GPG is.
156          currdir[j] = 0;     Return value: 0  everything OK.
157          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);                   >0  fatal error.
158      }                   -1 public keyring is empty or does not exist. */
159      return program;  static int
160  }  load_gpg_env (void)
161    {
162        SECURITY_ATTRIBUTES sec_attr;
163  /* Check that the underlying crypto engine fullfills the minimal      char *p;
164     requirements so all commands work properly. */      char *pkr;
165  static int  
166  check_crypto_engine (void)      p = get_reg_entry_gpg4win ("gpg.exe");
167  {      if (!p)
168      int ma=1, mi=4, pa=3; /* GPG 1.4.3 */          return (1);
169      int rc;      if (file_exist_check (p)) {
170            free_if_alloc (p);
171      rc = check_gnupg_engine (&ma, &mi, &pa);          return (1);
172      if (rc == -1) {      }
173          msg_box (NULL, _("Could not read GnuPG version."),      free_if_alloc (p);
174                   _("WinPT Error"), MB_ERR);  
175          return rc;      p = get_reg_entry_gpg ("HomeDir");
176      }      if (!p || dir_exist_check (p) != 0) {
177      else if (rc) {          free_if_alloc (p);
178          log_box (_("WinPT Error"), MB_ERR,          p = multi_gnupg_path (0);
179                   _("Sorry, you need a newer GPG version.\n"      }
180                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),      if (p && dir_exist_check (p)) {
181                     ma, mi, pa);          memset (&sec_attr, 0, sizeof (sec_attr));
182          return rc;          sec_attr.nLength = sizeof (sec_attr);
183      }          if (!CreateDirectory (p, &sec_attr)) {
184      /* We enable smartcard support for GPG: 1.9 or >= 1.4 */              msg_box (NULL, _("Could not create GPG home directory"),
185      if (ma >= 1 && mi >= 4)                       _("WinPT Error"), MB_ERR);
186          scard_support = 1;              free_if_alloc (p);
187                return (2);
188      gpgver[0] = ma;          }
189      gpgver[1] = mi;      }
190      gpgver[2] = pa;      check_readonly_attr (p);
191      return rc;      pkr = make_filename (p, "pubring", "gpg");
192  }      free_if_alloc (p);
193        if (!pkr)
194            return -1;
195  /* Try to load the keyserver config file. If @quiet is 1      if (get_file_size (pkr) == 0) {
196     do not show any errors. */          free_if_alloc (pkr);
197  static int          return -1;
198  load_keyserver_conf (int quiet)      }
199  {      return 0;
200      const char * t;  }
201      int rc;  
202    
203      if (reg_prefs.kserv_conf)  /* check if the default key from the gpg.conf file is available in the
204          t = reg_prefs.kserv_conf;     keyring. if not, bail out because encryption won't work properly then. */
205      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))  static int
206          t = get_prog_part ("keyserver.conf", 0);  check_default_key (gpg_keycache_t kc)
207      else  {
208          t = "keyserver.conf";      gpgme_key_t key;
209      rc = kserver_load_conf (t);      gpgme_error_t err = GPG_ERR_NO_ERROR;
210      if (rc && !quiet)      char *defkey;
211          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);  
212      return rc;      defkey = get_gnupg_default_key ();
213  }      if (defkey)
214            err = gpg_keycache_find_key (kc, defkey, 0, &key);
215        else
216  /* Enable the mobility mode. */          msg_box (NULL, _("No useable secret key found."),
217  static void                   _("WinPT Error"), MB_ERR);
218  enable_mobile_mode (void)      free_if_alloc (defkey);
219  {      return err? -1 : 0;
220      memset (&reg_prefs, 0, sizeof (reg_prefs));  }
221      reg_prefs.always_trust = 0;  
222      reg_prefs.auto_backup = 0;  
223      reg_prefs.cache_time = 0;  /* Return the WinPT program file name (with full pathname). */
224      reg_prefs.expert = 0;  static const char*
225      reg_prefs.keylist_mode = 1;  get_prog_part (const char * fname, int use_cwd)
226      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  {
227      reg_prefs.no_zip_mmedia = 1;      static char program[512];
228      reg_prefs.use_tmpfiles = 1;      char currdir[256];
229      reg_prefs.word_wrap = 80;      char *cmd = NULL;
230      reg_prefs.use_viewer = 0; /* XXX */      int j;
231  }          
232        memset (currdir, 0, DIM (currdir));
233        memset (program, 0, DIM (program));
234  /* Main entry point. */          
235  int WINAPI      if (use_cwd) {
236  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)          GetCurrentDirectory (DIM (currdir)-1, currdir);
237  {          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
238      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      }
239      HACCEL accel_tab;      else {
240      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;          cmd = GetCommandLine ();
241      int first_start = 0, start_gpgprefs = 0;          if (cmd == NULL)
242      const char * s;              return NULL;
243      MSG msg;          strncpy (currdir, cmd, sizeof (currdir)-1);
244      HWND hwnd = NULL;          j = strlen (currdir);
245            while (j--) {
246      glob_hinst = hinst;              if (currdir[j] == '\\')
247                    break;
248      #ifdef _DEBUG          }
249      gpg_set_debug_mode (1);          currdir[j] = 0;
250      debug = 1;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
251      #endif      }
252        return program;
253      s = PTD_get_version ();  }
254      if (strcmp (s, MIN_PTD_VER)) {  
255          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,  
256                   _("Please update your PTD.dll to the newest version, "  /* Check that the underlying crypto engine fullfills the minimal
257                     "the version (%s) you use is too old."), s);     requirements so all commands work properly. */
258          return 0;  static bool
259      }  check_crypto_engine (void)
260    {
261      if (gpg_md_selftest ()) {      int ma=0, mi=0, pa=0;
262          msg_box (NULL, _("Cryptographic selftest failed."),      int rc;
263                   _("WinPT Error"), MB_ERR);  
264          return 0;      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
265      }      if (rc == -1) {
266            msg_box (NULL, _("Could not read GnuPG version."),
267      s = gpgme_check_version (MIN_GPGME_VER);                   _("WinPT Error"), MB_ERR);
268      if (!s || !*s) {          return false;
269          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),      }
270                   _("WinPT Error"), MB_ERR);      else if (rc) {
271          return 0;          log_box (_("WinPT Error"), MB_ERR,
272      }                   _("Sorry, you need a newer GPG version.\n"
273                       "GPG version %d.%d.%d required GPG version "NEED_GPG_VERSION),
274      if (cmdline && stristr (cmdline, "--mobile")) {                     ma, mi, pa);
275          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",          return false;
276                   "WinPT", MB_INFO);      }
277          mobile = 1;      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
278      }      if (ma > 1 || pa >= 3)    
279            scard_support = 1;
280      set_default_kserver ();  
281        gpgver[0] = ma;
282      if (!mobile) {      gpgver[1] = mi;
283          regist_inst_gnupg (1);      gpgver[2] = pa;
284          regist_inst_winpt (1, &created);      return true;
285      }  }
286      else {  
287          enable_mobile_mode ();  
288          /* XXX: ask for GPG path */  /* Try to load the keyserver config file. If @quiet is 1
289          created = 1; /* Disable registry writing */     do not show any errors. */
290      }  static int
291    load_keyserver_conf (int quiet)
292      if (!created) {  {
293          memset (&reg_prefs, 0, sizeof (reg_prefs));      char *buf;
294          reg_prefs.use_tmpfiles = 1; /* default */      const char *t;
295          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      int rc;
296          get_reg_winpt_prefs (&reg_prefs);  
297          if (!reg_prefs.no_hotkeys)      /* Create $APPDATA\winpt if needed. */
298              hotkeys_modify ();      buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL);
299      }      if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) {
300            MessageBox (NULL, _("Failed to create WinPT directory"),
301      rc = gnupg_check_homedir ();                      _("Keyserver"), MB_ERR);
302      if (rc) {          free_if_alloc (buf);
303          log_box (_("WinPT Error"), MB_ERR,          return -1;
304                   _("GPG home directory is not set correctly.\n"      }
305                     "Please check the GPG registry settings:\n%s."),      free_if_alloc (buf);
306                   winpt_strerror (rc));  
307          const char * s = get_fileopen_dlg (GetActiveWindow (),      /* Check for $APPDATA\winpt\keyserver.conf */
308                                             _("Select GPG Public Keyring"),      buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL);
309                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),  
310                                             NULL);      if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
311          if (s != NULL) {          t = get_prog_part ("keyserver.conf", 0);
312              size_t n;      else
313              char * p = strrchr (s, '\\');          t = "keyserver.conf";
314              if (!p)      if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) {
315                  BUG (0);          //log_box (_("Keyserver"), MB_INFO,
316              n = p - s;          //       _("keyserver.conf will be copied to \"%s\"\r\n"), buf);
317              if (n)          if (!CopyFile (t, buf, FALSE)) {
318              {              MessageBox (NULL, _("Failed to copy the keyserver.conf"),
319                  char * file = new char[n+1];                          _("Keyserver"), MB_ERR);
320                  if (!file)              free_if_alloc (buf);
321                      BUG (NULL);              return -1;
322                  memset (file, 0, n);          }
323                  memcpy (file, s, n);          t = buf;
324                  file[n] = '\0';              }
325                  set_reg_entry_gpg ("HomeDir", file);      else
326                  free_if_alloc (file);          t = buf;
327                  gnupg_check_homedir (); /* change gpgProgram if needed */      
328              }      rc = kserver_load_conf (t);
329          }      if (rc && !quiet)
330          else {          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
331              msg_box (NULL, _("GPG home directory could not be determited."),      else {
332                       _("WinPT Error"), MB_ERR);          free_if_alloc (reg_prefs.kserv_conf);
333              goto start;          reg_prefs.kserv_conf = m_strdup (t);
334          }      }
335      }      free_if_alloc (buf);
336        return rc;
337      rc = check_gnupg_prog ();  }
338      if (rc) {  
339          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"  
340                               "Do you want to start the GPG preferences to "  /* Check if both keyrings are empty. This indicates that
341                               "correct  this problem?"), _("WinPT Error"),     WinPT should offer to generate a key pair. */
342                               MB_INFO|MB_YESNO) == IDYES)  static bool
343              start_gpgprefs = 1;  check_for_empty_keyrings (bool pub_only)
344          else  {
345          {      char *p;
346              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      int n = 0;
347              return 0;  
348          }      p = get_gnupg_keyring (1, 0);
349      }      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
350            n++;
351      rc = gnupg_access_files ();      free_if_alloc (p);
352      if (!start_gpgprefs && rc) {      if (pub_only)
353          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {          return n == 1? true : false;
354              ec = msg_box (NULL,      p = get_gnupg_keyring (0, 0);
355                  _("Could not access and/or find the public and secret keyring.\n"      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
356                    "If this is an accident, quit the program and fix it.\n\n"          n++;
357                    "Continue if you want that WinPT offers you more choices.\n"),      free_if_alloc (p);
358                    "WinPT", MB_INFO|MB_YESNO);      return n==2? true : false;
359              if (ec == IDYES)  }
360                  first_start = 1;  
361          }  
362          if (!first_start) {  /* Enable the mobility mode. */
363              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);  static void
364              return 0;  enable_mobile_mode (void)
365          }  {
366      }      memset (&reg_prefs, 0, sizeof (reg_prefs));
367        reg_prefs.always_trust = 0;
368      if (!first_start) {      reg_prefs.auto_backup = 0;
369          rc = gpg_check_permissions (1);      reg_prefs.cache_time = 0;
370          if (rc && rc == 2)      reg_prefs.expert = 0;
371              gpg_read_only = 1;      reg_prefs.keylist_mode = 1;
372          else if (rc)      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
373              return 0;      reg_prefs.no_zip_mmedia = 1;
374      }      reg_prefs.use_tmpfiles = 1;
375        reg_prefs.word_wrap = 80;
376      load_gettext ();      reg_prefs.use_viewer = 0; /* XXX */
377      init_gnupg_table ();  }
378    
379      nfiles = fm_parse_command_line (cmdline);  
380      if (nfiles > 0) {  /* Main entry point. */
381          free_gnupg_table ();  int WINAPI
382          return 0;  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
383      }  {
384        WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
385      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      HACCEL accel_tab;
386          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,      MSG msg;
387                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,      HWND hwnd = NULL;
388                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);      WORD ver[3], ptdver[4];
389          free_gnupg_table ();      int rc, ec, created = 0;
390          return 0;      int first_start = 0, start_gpgprefs = 0;
391      }      int winpt_inst_found = 0;
392        int start_manager = 0;
393      load_keyserver_conf (cmdline? 1 : 0);      const char *s;
394    
395      if (cmdline && (stristr (cmdline, "--keymanager")      glob_hinst = hinst;
396                  || stristr (cmdline, "--cardmanager"))) {      if (cmdline && stristr (cmdline, "--stop")) {
397          update_keycache (GetDesktopWindow ());          hwnd = FindWindow ("WinPT", "WinPT");
398          if (stristr (cmdline, "keymanager"))          if (hwnd != NULL)
399              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,              PostMessage (hwnd, WM_DESTROY, 0, 0);
400                              GetDesktopWindow(), keymanager_dlg_proc, NULL,          return 0;
401                              _("Key Manager"), IDS_WINPT_KEYMISC);        }
402          else {  
403              gpg_card_t crd = gpg_card_load ();      /*
404              if (crd)      OSVERSIONINFO osinf;
405                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,      memset (&osinf, 0, sizeof (osinf));
406                                    GetDesktopWindow(), card_edit_dlg_proc,      if (GetVersionEx (&osinf) &&
407                                    (LPARAM)crd, _("Card Manager"),          osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
408                                    IDS_WINPT_CARD_EDIT);          osinf.dwMinorVersion == 0) {
409              gpg_card_release (crd);          msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
410          }                   "WinPT Warning", MB_INFO);
411          keycache_release (0);      }
412          free_gnupg_table ();      */
413          return 0;  
414      }      #ifdef _DEBUG
415        gpg_set_debug_mode (1);
416      CreateMutex (NULL, TRUE, PGM_NAME);      debug = 1;
417      if (GetLastError () == ERROR_ALREADY_EXISTS) {      #endif
418          free_gnupg_table ();  
419          return 0;      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
420      }      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
421                                     &ptdver[2], &ptdver[3]);
422      if (cmdline) {      /* XXX
423          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
424              gpg_set_debug_mode (1);          log_box (_("WinPT Error"), MB_ERR,
425              winpt_debug_msg ();                   _("The PTD.dll file has a different version than WinPT.exe\n"
426              debug = 1;                     "Please update the PTD.dll to version %d.%d.%d"),
427          }                     ver[0], ver[1], ver[2]);
428      }          return 0;
429        }
430      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));      */
431      rc = RegisterClass (&wc);  
432      if (rc == FALSE) {      if (gpg_md_selftest ()) {
433          msg_box (NULL, _("Could not register window class"),          msg_box (NULL, _("Cryptographic selftest failed."),
434                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
435          free_gnupg_table ();          return 0;
436          return 0;      }
437      }  
438        s = gpgme_check_version (NEED_GPGME_VERSION);
439      hwnd = CreateWindow (PGM_NAME,      if (!s || !*s) {
440                           PGM_NAME,          msg_box (NULL, _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
441                           0, 0, 0, 0, 0,                   _("WinPT Error"), MB_ERR);
442                           NULL,          return 0;
443                           NULL,      }
444                           hinst,  
445                           NULL);      CreateMutex (NULL, TRUE, PGM_NAME);
446      if (hwnd == NULL) {      if (GetLastError () == ERROR_ALREADY_EXISTS)
447          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);          winpt_inst_found = 1;
448          free_gnupg_table ();  
449          return 0;      if (cmdline && stristr (cmdline, "--mobile")) {
450      }          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
451      glob_hwnd = hwnd;                   "WinPT", MB_INFO);
452      UpdateWindow (hwnd);          mobile = 1;
453        }
454      if (!first_start && !start_gpgprefs) {  
455          gnupg_backup_options ();              set_default_kserver ();
456          rc = check_crypto_engine ();      load_gettext (winpt_inst_found);
457          if (rc) {  
458              DestroyWindow (hwnd);      if (!mobile) {
459              free_gnupg_table ();          regist_inst_gnupg (1);
460              return 0;          regist_inst_winpt (1, &created);
461          }      }
462      }      else {
463                enable_mobile_mode ();
464      if (start_gpgprefs) {          /* XXX: ask for GPG path */
465          char *ring;          created = 1; /* Disable registry writing */
466          size_t size = 0;      }
467          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,  
468                          gpgprefs_dlg_proc, NULL);      if (!created) {
469          ring = get_gnupg_keyring (0, !NO_STRICT);          memset (&reg_prefs, 0, sizeof (reg_prefs));
470          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)          reg_prefs.use_tmpfiles = 1; /* default */
471              first_start = 1; /* The keyring is empty! */          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
472          free_if_alloc (ring);          get_reg_winpt_prefs (&reg_prefs);
473      }          if (!reg_prefs.no_hotkeys)
474                hotkeys_modify ();
475      if (first_start) {          gnupg_load_config ();
476          struct first_start_s fs;      }
477          struct genkey_s c;      else { /* default settings. */
478          HWND h;          reg_prefs.keylist_mode = 1;
479  start:      }
480          h = GetDesktopWindow ();  
481          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,      if (is_gpg4win_installed ())
482                              gpgprefs_dlg_proc, NULL);          load_gpg_env (); /* XXX: check return code. */
483          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,  
484                          first_run_dlg_proc, (LPARAM)&fs);      rc = gnupg_check_homedir ();
485          switch (fs.choice) {      if (rc) {
486          case SETUP_KEYGEN:          log_box (_("WinPT Error"), MB_ERR,
487              c.interactive = 1;                   _("GPG home directory is not set correctly.\n"
488              c.first_start = 1;                     "Please check the GPG registry settings:\n%s."),
489              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,                   winpt_strerror (rc));
490                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);          s = get_fileopen_dlg (GetActiveWindow (),
491              if (!rc)                                _("Select GPG Public Keyring"),
492                  goto start;                                "GPG Keyrings (*.gpg)\0*.gpg\0\0",
493              break;                                NULL);
494            if (s != NULL) {
495          case SETUP_IMPORT:              size_t n;
496              rc = gnupg_copy_keyrings ();              char *p = strrchr (s, '\\');
497              if (rc) {              if (!p)
498                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                  BUG (0);
499                  goto start;              n = p - s;
500              }              if (n) {
501              break;                  char *file = new char[n+1];
502                    if (!file)
503          case -1:                      BUG (NULL);
504              DestroyWindow (hwnd);                  memset (file, 0, n);
505              free_gnupg_table ();                  memcpy (file, s, n);
506              return 0;                  file[n] = '\0';        
507          }                  set_reg_entry_gpg ("HomeDir", file);
508          update_keycache (hwnd);                  free_if_alloc (file);
509          check_crypto_engine ();                  gnupg_check_homedir (); /* change gpgProgram if needed */
510      }              }
511      else {          }
512          gpg_keycache_t c;          else {
513          update_keycache (hwnd);              msg_box (NULL, _("GPG home directory could not be determited."),
514          c = keycache_get_ctx (1);                       _("WinPT Error"), MB_ERR);
515          if (!c || !gpg_keycache_get_size (c)) {              goto start;
516              gnupg_display_error ();          }
517              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"      }
518                               "Please check your GPG config (keyrings, pathes...)"),  
519                               _("WinPT Error"), MB_ERR);      rc = check_gnupg_prog ();
520              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"      if (rc) {
521                                    "Do you want to start the GPG preferences dialog?"),          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
522                              "WinPT", MB_INFO|MB_YESNO);                               "Do you want to start the GPG preferences to "
523              if (ec == IDYES) {                               "correct  this problem?"), _("WinPT Error"),
524                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                               MB_INFO|MB_YESNO) == IDYES)
525                                  gpgprefs_dlg_proc, NULL);              start_gpgprefs = 1;
526                  update_keycache (hwnd);          else {
527              }              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
528              else {              return 0;
529                  DestroyWindow (hwnd);          }
530                  free_gnupg_table ();      }
531                  return 0;  
532              }      rc = gnupg_access_files ();
533          }      if (!start_gpgprefs && rc) {
534          if (check_default_key (c)) {          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
535              char * p = get_gnupg_default_key ();              ec = msg_box (NULL,
536              log_box (_("WinPT Error"), MB_ERR,                  _("Could not access and/or find the public and secret keyring.\n"
537                       _("Default key from the GPG options file could not be found.\n"                    "If this is an accident, quit the program and fix it.\n\n"
538                         "Please check your gpg.conf (options) to correct this:\n\n"                    "Continue if you want that WinPT offers you more choices.\n"),
539                         "%s: public key not found."), p? p : "[null]");                    "WinPT", MB_INFO|MB_YESNO);
540              free_if_alloc (p);              if (ec == IDYES)
541              DestroyWindow (hwnd);                  first_start = 1;
542              free_gnupg_table ();          }
543              return 0;          if (!first_start) {
544          }              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
545          if (count_insecure_elgkeys ())              return 0;
546              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,          }
547                              elgamal_warn_dlg_proc, NULL);      }
548      }      if (check_for_empty_keyrings (false))
549            first_start = 1;
550      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);  
551      keyring_check_last_access (); /* init */      if (!first_start) {
552      while (GetMessage (&msg, hwnd, 0, 0)) {          rc = gpg_check_permissions (1);
553          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {          if (rc && rc == 2)
554              TranslateMessage (&msg);              gpg_read_only = 1;
555              DispatchMessage (&msg);          else if (rc)
556          }              return 0;
557      }      }
558                
559      return 0;      init_gnupg_table ();
560  }  
561        if (fm_parse_command_line (cmdline) > 0) {
562            free_gnupg_table ();
563            return 0;
564        }
565    
566        if (cmdline && stristr (cmdline, "--wipe-freespace")) {
567            dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
568                                GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
569                                _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
570            free_gnupg_table ();
571            return 0;
572        }
573    
574        load_keyserver_conf (cmdline? 1 : 0);
575    
576        if (cmdline && (stristr (cmdline, "--keymanager")
577                    || stristr (cmdline, "--cardmanager"))) {
578            /* If an instance of WinPT is running, just send the command
579               to open the key manager. Otherwise start a new instance.
580             */
581            HWND tray = FindWindow ("WinPT", "WinPT");
582            if (stristr (cmdline, "keymanager"))
583                start_manager = ID_WINPT_KEY;
584            else
585                start_manager = ID_WINPT_CARD;
586            if (tray != NULL) {
587                PostMessage (tray, WM_COMMAND, start_manager, 0);
588                free_gnupg_table ();
589                return 0;
590            }
591        }
592    
593        /* If we found another WinPT instance, just quit to avoid it
594           will be executed twice. */
595        if (winpt_inst_found) {
596            log_debug ("%s", "WinMain: WinPT is already running.");
597            free_gnupg_table ();
598            return 0;
599        }
600    
601        if (cmdline) {
602            if (stristr (cmdline, "--enable-debug") ||
603                stristr (cmdline, "--debug")) {
604                gpg_set_debug_mode (1);
605                winpt_debug_msg ();
606                debug = 1;
607            }
608        }
609    
610        wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
611        rc = RegisterClass (&wc);
612        if (rc == FALSE) {
613            msg_box (NULL, _("Could not register window class"),
614                     _("WinPT Error"), MB_ERR);
615            free_gnupg_table ();
616            return 0;
617        }
618    
619        hwnd = CreateWindow (PGM_NAME,
620                             PGM_NAME,
621                             0, 0, 0, 0, 0,
622                             NULL,
623                             NULL,
624                             hinst,
625                             NULL);
626        if (hwnd == NULL) {
627            msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
628            free_gnupg_table ();
629            return 0;
630        }
631        glob_hwnd = hwnd;
632        UpdateWindow (hwnd);
633    
634        if (!first_start && !start_gpgprefs) {
635            gnupg_backup_options ();        
636            if (!check_crypto_engine ()) {
637                DestroyWindow (hwnd);
638                free_gnupg_table ();
639                return 0;
640            }
641        }
642        
643        if (start_gpgprefs) {
644            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
645                            gpgprefs_dlg_proc, 0);
646            if (check_for_empty_keyrings (true))
647                first_start = 1; /* The public keyring is empty! */
648        }
649    
650        if (first_start) {
651            struct genkey_s c;
652            int choice;
653            HWND h;
654    start:
655            h = GetDesktopWindow ();
656            if (!gpg_prefs_ok ())
657                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
658                                gpgprefs_dlg_proc, 0);
659            choice = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
660                                     first_run_dlg_proc, 0);
661            switch (choice) {
662            case SETUP_KEYGEN:
663                c.interactive = 1;
664                c.first_start = 1;
665                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
666                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
667                if (!rc)
668                    goto start;
669                break;
670    
671            case SETUP_IMPORT:
672                rc = gnupg_copy_keyrings ();
673                if (rc) {
674                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
675                    goto start;
676                }
677                break;
678    
679            case 0: /* Cancel/Abort. */
680            default:
681                DestroyWindow (hwnd);
682                free_gnupg_table ();
683                return 0;
684            }
685            update_keycache (hwnd);
686            if (!check_crypto_engine ()) {
687                DestroyWindow (hwnd);
688                free_gnupg_table ();
689                return 0;
690            }
691        }
692        else {
693            gpg_keycache_t c;
694            update_keycache (hwnd);
695            c = keycache_get_ctx (1);
696            if (!c || !gpg_keycache_get_size (c)) {
697                gnupg_display_error ();
698                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
699                                 "Please check your GPG config (keyrings, pathes...)"),
700                                 _("WinPT Error"), MB_ERR);
701                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
702                                      "Do you want to start the GPG preferences dialog?"),
703                                "WinPT", MB_INFO|MB_YESNO);
704                if (ec == IDYES) {
705                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
706                                    gpgprefs_dlg_proc, 0);
707                    update_keycache (hwnd);
708                }
709                else {
710                    DestroyWindow (hwnd);
711                    free_gnupg_table ();
712                    return 0;
713                }
714            }
715            if (check_default_key (c)) {
716                char *p = get_gnupg_default_key ();
717                log_box (_("WinPT Error"), MB_ERR,
718                         _("Default key from the GPG options file could not be found.\n"
719                           "Please check your gpg.conf (options) to correct this:\n\n"
720                           "%s: public key not found."), p? p : "[null]");
721                free_if_alloc (p);
722                DestroyWindow (hwnd);
723                free_gnupg_table ();
724                return 0;
725            }
726            if (count_insecure_elgkeys ())
727                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
728                                elgamal_warn_dlg_proc, 0);
729        }
730    
731        if (start_manager)
732            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
733    
734        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
735        keyring_check_last_access (); /* init */
736        while (GetMessage (&msg, hwnd, 0, 0)) {
737            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
738                TranslateMessage (&msg);
739                DispatchMessage (&msg);
740            }
741        }
742            
743        return 0;
744    }

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