/[winpt]/trunk/Src/WinPT.cpp
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revision 25 by twoaday, Wed Oct 12 10:04:26 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  #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  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  static void  int scard_support = 0;
49  update_keycache (HWND hwnd)  int debug = 0;
50  {  int mobile = 0;
51      refresh_cache_s rcs = {0};  int gpg_read_only = 0;
52      rcs.kr_reload = 0;  char gpgver[3];
53      rcs.kr_update = 1;  
54      rcs.tr_update = 1;  
55      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  /* Load the key cache and rebuild the signature cache. */
56                      keycache_dlg_proc, (LPARAM)&rcs);  static void
57  } /* update_keycache */  update_keycache (HWND hwnd)
58    {
59        refresh_cache_s rcs = {0};
60  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */      rcs.kr_reload = 0;
61  void      rcs.kr_update = 1;
62  gpg_set_debug_mode (int val)      rcs.tr_update = 1;
63  {            DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
64      if (val)                      keycache_dlg_proc, (LPARAM)&rcs);
65          putenv ("GPGME_DEBUG=5:gpgme.dbg");  }
66      else  
67          putenv ("GPGME_DEBUG=");  
68  }  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
69    void
70  static char *  gpg_set_debug_mode (int val)
71  get_gettext_lang (void)  {      
72  {          if (val)
73      char * fname;          putenv ("GPGME_DEBUG=5:gpgme.dbg");
74      fname = get_reg_entry_mo ();      else
75      if (!fname)          putenv ("GPGME_DEBUG=");
76          return NULL;  }
77      return fname;  
78  } /* get_gettext_lang */  
79    /* Return the name of the gettext language file. */
80    static char*
81  static void  get_gettext_lang (void)
82  load_gettext (void)  {    
83  {      char *fname;
84      char *nls = NULL;      fname = get_reg_entry_mo ();
85      char *file = NULL;      if (!fname)
86            return NULL;
87      nls = get_gettext_lang ();      return fname;
88      if (nls) {  }
89          set_gettext_file ("winpt", nls);  
90          file = make_filename (nls, "winpt", "mo");  
91          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  /* Initialize the gettext sub system. */
92              msg_box (NULL, _("Could not initizalize file lock.\n"  static void
93                               "Native Language Support"),  load_gettext (int prev_inst)
94                       _("WinPT Error"), MB_ERR);  {
95          }      char *nls = NULL;
96          free_if_alloc (nls);  
97          free_if_alloc (file);      nls = get_gettext_lang ();
98      }      if (nls != NULL) {
99  } /* load_gettext */          set_gettext_file ("winpt", nls);
100            free_if_alloc (nls);
101        }
102  /* check if the default key from the gpg.conf file is available in the  }
103     keyring. if not, bail out because encryption won't work properly then. */  
104  static int  
105  check_default_key (gpg_keycache_t kc)  /* Load the GPG environment. On the first start, some
106  {     checks are performed to find out in what state GPG is.
107      gpgme_key_t key;     Return value: 0  everything OK.
108      gpgme_error_t err = GPG_ERR_NO_ERROR;                   >0  fatal error.
109      char * defkey;                   -1 public keyring is empty or does not exist. */
110    static int
111      defkey = get_gnupg_default_key ();  load_gpg_env (void)
112      if (defkey)  {
113          err = gpg_keycache_find_key (kc, defkey, 0, &key);      SECURITY_ATTRIBUTES sec_attr;
114      free_if_alloc (defkey);      char *p;
115      return err? -1 : 0;      char *pkr;
116  } /* check_default_key */  
117        p = get_reg_entry_gpg4win ("gpg.exe");
118        if (!p)
119  /* Return the WinPT program file name (with full pathname). */          return (1);
120  static const char *      if (file_exist_check (p)) {
121  get_prog_part (const char * fname, int use_cwd)          free_if_alloc (p);
122  {          return (1);
123      static char program[1024];      }
124      char currdir[256], * cmd = NULL;      free_if_alloc (p);
125      int j;      p = multi_gnupg_path (0);
126                if (p && dir_exist_check (p)) {
127      memset (currdir, 0, DIM (currdir));          memset (&sec_attr, 0, sizeof (sec_attr));
128      memset (program, 0, DIM (program));          sec_attr.nLength = sizeof (sec_attr);
129                    if (!CreateDirectory (p, &sec_attr)) {
130      if (use_cwd) {              msg_box (NULL, _("Could not create GPG home directory"),
131          GetCurrentDirectory (DIM (currdir)-1, currdir);                       _("WinPT Error"), MB_ERR);
132          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);              free_if_alloc (p);
133      }              return (2);
134      else {          }
135          cmd = GetCommandLine ();      }
136          if (cmd == NULL)      pkr = make_filename (p, "pubring", "gpg");
137              return NULL;      free_if_alloc (p);
138          strncpy (currdir, cmd, 255);      if (!pkr)
139          j = strlen (currdir);          return -1;
140          while (j--) {      if (get_file_size (pkr) == 0) {
141              if (currdir[j] == '\\')          free_if_alloc (pkr);
142                  break;                    return -1;
143          }      }
144          currdir[j] = 0;      return 0;
145          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  }
146      }  
147      return program;  
148  } /* get_prog_part */  /* check if the default key from the gpg.conf file is available in the
149       keyring. if not, bail out because encryption won't work properly then. */
150    static int
151  static int  check_default_key (gpg_keycache_t kc)
152  check_crypto_engine (void)  {
153  {      gpgme_key_t key;
154      int ma=1, mi=4, pa=0; /* GPG 1.4.0 */      gpgme_error_t err = GPG_ERR_NO_ERROR;
155      int rc;      char *defkey;
156    
157      rc = check_gnupg_engine (&ma, &mi, &pa);      defkey = get_gnupg_default_key ();
158      if (rc == -1) {      if (defkey)
159          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);          err = gpg_keycache_find_key (kc, defkey, 0, &key);
160          return rc;      else
161      }          msg_box (NULL, _("No useable secret key found."),
162      else if (rc) {                   _("WinPT Error"), MB_ERR);
163          log_box (_("WinPT Error"), MB_ERR,      free_if_alloc (defkey);
164                   _("Sorry, you need a newer GPG version.\n"      return err? -1 : 0;
165                     "GPG version %d.%d.%d required GPG version 1.4.0"),  }
166                     ma, mi, pa);  
167          return rc;  
168      }  /* Return the WinPT program file name (with full pathname). */
169      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */  static const char*
170      if (ma >= 1 && mi >= 4)  get_prog_part (const char * fname, int use_cwd)
171          scard_support = 1;  {
172        static char program[512];
173      gpgver[0] = ma;      char currdir[256];
174      gpgver[1] = mi;      char *cmd = NULL;
175      gpgver[2] = pa;      int j;
176      return rc;          
177  } /* check_crypto_engine */      memset (currdir, 0, DIM (currdir));
178        memset (program, 0, DIM (program));
179            
180  static int      if (use_cwd) {
181  load_keyserver_conf (int quiet)          GetCurrentDirectory (DIM (currdir)-1, currdir);
182  {          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
183      const char * t;      }
184      int rc;      else {
185            cmd = GetCommandLine ();
186      if (reg_prefs.kserv_conf)          if (cmd == NULL)
187          t = reg_prefs.kserv_conf;              return NULL;
188      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))          strncpy (currdir, cmd, sizeof (currdir)-1);
189          t = get_prog_part ("keyserver.conf", 0);          j = strlen (currdir);
190      else          while (j--) {
191          t = "keyserver.conf";              if (currdir[j] == '\\')
192      rc = kserver_load_conf (t);                  break;
193      if (rc && !quiet)          }
194          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);          currdir[j] = 0;
195      return rc;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
196  }      }
197        return program;
198    }
199  static void  
200  enable_mobile_mode (void)  
201  {  /* Check that the underlying crypto engine fullfills the minimal
202      memset (&reg_prefs, 0, sizeof (reg_prefs));     requirements so all commands work properly. */
203      reg_prefs.always_trust = 0;  static bool
204      reg_prefs.auto_backup = 0;  check_crypto_engine (void)
205      reg_prefs.cache_time = 0;  {
206      reg_prefs.expert = 0;      int ma=0, mi=0, pa=0;
207      reg_prefs.keylist_mode = 1;      int rc;
208      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
209      reg_prefs.no_zip_mmedia = 1;      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
210      reg_prefs.use_tmpfiles = 1;      if (rc == -1) {
211      reg_prefs.word_wrap = 80;          msg_box (NULL, _("Could not read GnuPG version."),
212      reg_prefs.use_viewer = 0; /* XXX */                   _("WinPT Error"), MB_ERR);
213  }          return false;
214        }
215  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      else if (rc) {
216            log_box (_("WinPT Error"), MB_ERR,
217  int WINAPI                   _("Sorry, you need a newer GPG version.\n"
218                       "GPG version %d.%d.%d required GPG version "NEED_GPG_VERSION),
219  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)                     ma, mi, pa);
220  {          return false;
221      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      }
222      HACCEL accel_tab;      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
223      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;      if (ma > 1 || pa >= 3)    
224      int first_start = 0, start_gpgprefs = 0;          scard_support = 1;
225      const char * s;  
226      MSG msg;      gpgver[0] = ma;
227      HWND hwnd = NULL;      gpgver[1] = mi;
228        gpgver[2] = pa;
229      glob_hinst = hinst;      return true;
230    }
231      #ifdef _DEBUG  
232      gpg_set_debug_mode (1);  
233      debug = 1;  /* Try to load the keyserver config file. If @quiet is 1
234      #endif     do not show any errors. */
235    static int
236      s = PTD_get_version ();  load_keyserver_conf (int quiet)
237      if (strcmp (s, "0.8.0")) {  {
238          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      char *buf;
239                   _("Please update your PTD.dll to the newest version, "      const char *t;
240                     "the version (%s) you use is too old."), s);      int rc;
241          return 0;  
242      }      /* Create $APPDATA\winpt if needed. */
243        buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL);
244      if (gpg_md_selftest ()) {      if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) {
245          msg_box (NULL, _("Cryptographic selftest failed."),          MessageBox (NULL, _("Failed to create WinPT directory"),
246                   _("WinPT Error"), MB_ERR);                      _("Keyserver"), MB_ERR);
247          return 0;          free_if_alloc (buf);
248      }          return -1;
249        }
250      s = gpgme_check_version ("1.1.0");      free_if_alloc (buf);
251      if (!s || !*s) {  
252          msg_box (NULL, _("A newer GPGME version is needed."), "WinPT Error", MB_ERR);      /* Check for $APPDATA\winpt\keyserver.conf */
253          return 0;      buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL);
254      }  
255        if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
256      if (cmdline && stristr (cmdline, "--mobile")) {          t = get_prog_part ("keyserver.conf", 0);
257          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",      else
258                   "WinPT", MB_INFO);          t = "keyserver.conf";
259          mobile = 1;      if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) {
260      }          log_box (_("Keyserver"), MB_INFO,
261                     _("keyserver.conf will be copied to \"%s\"\r\n"), buf);
262      set_default_kserver ();          if (!CopyFile (t, buf, FALSE)) {
263                MessageBox (NULL, _("Failed to copy the keyserver.conf"),
264      if (!mobile) {                          _("Keyserver"), MB_ERR);
265          regist_inst_gnupg (1);              free_if_alloc (buf);
266          regist_inst_winpt (1, &created);              return -1;
267      }          }
268      else {          t = buf;
269          enable_mobile_mode ();      }
270          /* XXX: ask for GPG path */      else
271          created = 1; /* Disable registry writing */          t = buf;
272      }      
273        rc = kserver_load_conf (t);
274      if (!created) {      if (rc && !quiet)
275          memset (&reg_prefs, 0, sizeof (reg_prefs));          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
276          reg_prefs.use_tmpfiles = 1; /* default */      else {
277          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */          free_if_alloc (reg_prefs.kserv_conf);
278          get_reg_winpt_prefs (&reg_prefs);          reg_prefs.kserv_conf = m_strdup (t);
279          if (!reg_prefs.no_hotkeys)      }
280              hotkeys_modify ();      free_if_alloc (buf);
281      }      return rc;
282    }
283      rc = gnupg_check_homedir ();  
284      if (rc) {  
285          log_box (_("WinPT Error"), MB_ERR,  /* Check if both keyrings are empty. This indicates that
286                   _("GPG home directory is not set correctly.\n"     WinPT should offer to generate a key pair. */
287                     "Please check the GPG registry settings:\n%s."),  static bool
288                   winpt_strerror (rc));  check_for_empty_keyrings (bool pub_only)
289          const char * s = get_fileopen_dlg (GetActiveWindow (),  {
290                                             _("Select GPG Public Keyring"),      char *p;
291                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),      int n = 0;
292                                             NULL);  
293          if (s != NULL) {      p = get_gnupg_keyring (1, 0);
294              size_t n;      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
295              char * p = strrchr (s, '\\');          n++;
296              if (!p)      free_if_alloc (p);
297                  BUG (0);      if (pub_only)
298              n = p - s;          return n == 1? true : false;
299              if (n)      p = get_gnupg_keyring (0, 0);
300              {      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
301                  char * file = new char[n+1];          n++;
302                  if (!file)      free_if_alloc (p);
303                      BUG (NULL);      return n==2? true : false;
304                  memset (file, 0, n);  }
305                  memcpy (file, s, n);  
306                  file[n] = '\0';          
307                  set_reg_entry_gpg ("HomeDir", file);  /* Enable the mobility mode. */
308                  free_if_alloc (file);  static void
309                  gnupg_check_homedir (); /* change gpgProgram if needed */  enable_mobile_mode (void)
310              }  {
311          }      memset (&reg_prefs, 0, sizeof (reg_prefs));
312          else {      reg_prefs.always_trust = 0;
313              msg_box (NULL, _("GPG home directory could not be determited."),      reg_prefs.auto_backup = 0;
314                       _("WinPT Error"), MB_ERR);      reg_prefs.cache_time = 0;
315              goto start;      reg_prefs.expert = 0;
316          }      reg_prefs.keylist_mode = 1;
317      }      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
318        reg_prefs.no_zip_mmedia = 1;
319      rc = check_gnupg_prog ();      reg_prefs.use_tmpfiles = 1;
320      if (rc) {      reg_prefs.word_wrap = 80;
321          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"      reg_prefs.use_viewer = 0; /* XXX */
322                               "Do you want to start the GPG preferences to "  }
323                               "correct  this problem?"), _("WinPT Error"),  
324                               MB_INFO|MB_YESNO) == IDYES)  
325              start_gpgprefs = 1;  /* Main entry point. */
326          else  int WINAPI
327          {  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
328              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);  {
329              return 0;      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
330          }      HACCEL accel_tab;
331      }      MSG msg;
332        HWND hwnd = NULL;
333      rc = gnupg_access_files ();      WORD ver[3], ptdver[4];
334      if (!start_gpgprefs && rc)      int rc, ec, created = 0;
335      {      int first_start = 0, start_gpgprefs = 0;
336          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)      int winpt_inst_found = 0;
337          {      int start_manager = 0;
338              ec = msg_box (NULL,      const char *s;
339                  _("Could not access and/or find the public and secret keyring.\n"  
340                    "If this is an accident, quit the program and fix it.\n\n"      glob_hinst = hinst;
341                    "Continue if you want that WinPT offers you more choices.\n"),      if (cmdline && stristr (cmdline, "--stop")) {
342                    "WinPT", MB_INFO|MB_YESNO);          hwnd = FindWindow ("WinPT", "WinPT");
343              if (ec == IDYES)          if (hwnd != NULL)
344                  first_start = 1;              PostMessage (hwnd, WM_DESTROY, 0, 0);
345          }          return 0;
346          if (!first_start)      }
347          {  
348              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      /*
349              return 0;      OSVERSIONINFO osinf;
350          }      memset (&osinf, 0, sizeof (osinf));
351      }      if (GetVersionEx (&osinf) &&
352            osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
353      if (!first_start)          osinf.dwMinorVersion == 0) {
354      {          msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
355          rc = gpg_check_permissions (1);                   "WinPT Warning", MB_INFO);
356          if (rc && rc == 2)      }
357              gpg_read_only = 1;      */
358          else if (rc)  
359              return 0;      #ifdef _DEBUG
360      }      gpg_set_debug_mode (1);
361        debug = 1;
362      load_gettext ();      #endif
363      init_gnupg_table ();  
364        get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
365      nfiles = fm_parse_command_line (cmdline);      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
366      if (nfiles > 0)                                   &ptdver[2], &ptdver[3]);
367          return 0;      /* XXX
368        if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
369      if (cmdline && stristr (cmdline, "--wipe-freespace")) {          log_box (_("WinPT Error"), MB_ERR,
370          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,                   _("The PTD.dll file has a different version than WinPT.exe\n"
371                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,                     "Please update the PTD.dll to version %d.%d.%d"),
372                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);                     ver[0], ver[1], ver[2]);
373          free_gnupg_table ();          return 0;
374          return 0;      }
375      }      */
376    
377      load_keyserver_conf (cmdline? 1 : 0);      if (gpg_md_selftest ()) {
378            msg_box (NULL, _("Cryptographic selftest failed."),
379      if (cmdline && (stristr (cmdline, "--keymanager")                   _("WinPT Error"), MB_ERR);
380                  || stristr (cmdline, "--cardmanager"))) {          return 0;
381          update_keycache (GetDesktopWindow ());      }
382          if (stristr (cmdline, "keymanager"))  
383              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      s = gpgme_check_version (NEED_GPGME_VERSION);
384                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      if (!s || !*s) {
385                              _("Key Manager"), IDS_WINPT_KEYMISC);            msg_box (NULL, _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
386          else {                   _("WinPT Error"), MB_ERR);
387              gpg_card_t crd = smartcard_init ();          return 0;
388              if (crd)      }
389                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,  
390                                    GetDesktopWindow(), card_edit_dlg_proc,      CreateMutex (NULL, TRUE, PGM_NAME);
391                                    (LPARAM)crd, _("Card Manager"),      if (GetLastError () == ERROR_ALREADY_EXISTS)
392                                    IDS_WINPT_CARD_EDIT);          winpt_inst_found = 1;
393              gpg_card_release (crd);  
394          }      if (cmdline && stristr (cmdline, "--mobile")) {
395          keycache_release (0);          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
396          free_gnupg_table ();                   "WinPT", MB_INFO);
397          return 0;          mobile = 1;
398      }      }
399    
400      CreateMutex (NULL, TRUE, PGM_NAME);      set_default_kserver ();
401      if (GetLastError () == ERROR_ALREADY_EXISTS) {      load_gettext (winpt_inst_found);
402          free_gnupg_table ();  
403          return 0;      if (!mobile) {
404      }          regist_inst_gnupg (1);
405            regist_inst_winpt (1, &created);
406      if (cmdline) {      }
407          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {      else {
408              gpg_set_debug_mode (1);          enable_mobile_mode ();
409              winpt_debug_msg ();          /* XXX: ask for GPG path */
410              debug = 1;          created = 1; /* Disable registry writing */
411          }      }
412      }  
413        if (!created) {
414      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));          memset (&reg_prefs, 0, sizeof (reg_prefs));
415      rc = RegisterClass (&wc);          reg_prefs.use_tmpfiles = 1; /* default */
416      if (rc == FALSE) {          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
417          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);          get_reg_winpt_prefs (&reg_prefs);
418          free_gnupg_table ();          if (!reg_prefs.no_hotkeys)
419          return 0;              hotkeys_modify ();
420      }          gnupg_load_config ();
421        }
422      hwnd = CreateWindow (PGM_NAME,  
423                           PGM_NAME,      if (is_gpg4win_installed ())
424                           0, 0, 0, 0, 0,          load_gpg_env (); /* XXX: check return code. */
425                           NULL,  
426                           NULL,      rc = gnupg_check_homedir ();
427                           hinst,      if (rc) {
428                           NULL);          log_box (_("WinPT Error"), MB_ERR,
429      if (hwnd == NULL) {                   _("GPG home directory is not set correctly.\n"
430          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);                     "Please check the GPG registry settings:\n%s."),
431          free_gnupg_table ();                   winpt_strerror (rc));
432          return 0;          s = get_fileopen_dlg (GetActiveWindow (),
433      }                                _("Select GPG Public Keyring"),
434      glob_hwnd = hwnd;                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
435      UpdateWindow (hwnd);                                NULL);
436            if (s != NULL) {
437      if (!first_start && !start_gpgprefs) {              size_t n;
438          gnupg_backup_options ();                      char *p = strrchr (s, '\\');
439          rc = check_crypto_engine ();              if (!p)
440          if (rc) {                  BUG (0);
441              DestroyWindow (hwnd);              n = p - s;
442              free_gnupg_table ();              if (n) {
443              return 0;                  char *file = new char[n+1];
444          }                  if (!file)
445      }                      BUG (NULL);
446                        memset (file, 0, n);
447      if (start_gpgprefs) {                  memcpy (file, s, n);
448          char *ring;                  file[n] = '\0';        
449          size_t size = 0;                  set_reg_entry_gpg ("HomeDir", file);
450          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                  free_if_alloc (file);
451                          gpgprefs_dlg_proc, NULL);                  gnupg_check_homedir (); /* change gpgProgram if needed */
452          ring = get_gnupg_keyring (0, !NO_STRICT);              }
453          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)          }
454              first_start = 1; /* The keyring is empty! */          else {
455          free_if_alloc (ring);              msg_box (NULL, _("GPG home directory could not be determited."),
456      }                       _("WinPT Error"), MB_ERR);
457                goto start;
458      if (first_start) {          }
459          struct first_start_s fs;      }
460          struct genkey_s c;  
461          HWND h;      rc = check_gnupg_prog ();
462  start:      if (rc) {
463          h = GetDesktopWindow ();          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
464          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,                               "Do you want to start the GPG preferences to "
465                              gpgprefs_dlg_proc, NULL);                               "correct  this problem?"), _("WinPT Error"),
466          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,                               MB_INFO|MB_YESNO) == IDYES)
467                          first_run_dlg_proc, (LPARAM)&fs);              start_gpgprefs = 1;
468          switch (fs.choice) {          else {
469          case SETUP_KEYGEN:              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
470              c.interactive = 1;              return 0;
471              c.first_start = 1;          }
472              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,      }
473                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);  
474              if (!rc)      rc = gnupg_access_files ();
475                  goto start;      if (!start_gpgprefs && rc) {
476              break;          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
477                ec = msg_box (NULL,
478          case SETUP_IMPORT:                  _("Could not access and/or find the public and secret keyring.\n"
479              rc = gnupg_copy_keyrings ();                    "If this is an accident, quit the program and fix it.\n\n"
480              if (rc) {                    "Continue if you want that WinPT offers you more choices.\n"),
481                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                    "WinPT", MB_INFO|MB_YESNO);
482                  goto start;              if (ec == IDYES)
483              }                  first_start = 1;
484              break;          }
485            if (!first_start) {
486          case -1:              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
487              DestroyWindow (hwnd);              return 0;
488              free_gnupg_table ();          }
489              return 0;      }
490          }      if (check_for_empty_keyrings (false))
491          update_keycache (hwnd);          first_start = 1;
492          check_crypto_engine ();  
493      }      if (!first_start) {
494      else {          rc = gpg_check_permissions (1);
495          gpg_keycache_t c;          if (rc && rc == 2)
496          update_keycache (hwnd);              gpg_read_only = 1;
497          c = keycache_get_ctx (1);          else if (rc)
498          if (!c || !gpg_keycache_get_size (c)) {              return 0;
499              gnupg_display_error ();      }
500              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"      
501                               "Please check your GPG config (keyrings, pathes...)"),      init_gnupg_table ();
502                               _("WinPT Error"), MB_ERR);  
503              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"      if (fm_parse_command_line (cmdline) > 0) {
504                                    "Do you want to start the GPG preferences dialog?"),          free_gnupg_table ();
505                              "WinPT", MB_INFO|MB_YESNO);          return 0;
506              if (ec == IDYES) {      }
507                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,  
508                                  gpgprefs_dlg_proc, NULL);      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
509                  update_keycache (hwnd);          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
510              }                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
511              else {                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
512                  DestroyWindow (hwnd);          free_gnupg_table ();
513                  free_gnupg_table ();          return 0;
514                  return 0;      }
515              }  
516          }      load_keyserver_conf (cmdline? 1 : 0);
517          if (check_default_key (c)) {  
518              char * p = get_gnupg_default_key ();      if (cmdline && (stristr (cmdline, "--keymanager")
519              log_box (_("WinPT Error"), MB_ERR,                  || stristr (cmdline, "--cardmanager"))) {
520                       _("Default key from the GPG options file could not be found.\n"          /* If an instance of WinPT is running, just send the command
521                         "Please check your gpg.conf (options) to correct this:\n\n"             to open the key manager. Otherwise start a new instance.
522                         "%s: public key not found."), p? p : "[null]");           */
523              free_if_alloc (p);          HWND tray = FindWindow ("WinPT", "WinPT");
524              DestroyWindow (hwnd);          if (stristr (cmdline, "keymanager"))
525              free_gnupg_table ();              start_manager = ID_WINPT_KEY;
526              return 0;          else
527          }              start_manager = ID_WINPT_CARD;
528          if (count_insecure_elgkeys ())          if (tray != NULL) {
529              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              PostMessage (tray, WM_COMMAND, start_manager, 0);
530                              elgamal_warn_dlg_proc, NULL);              free_gnupg_table ();
531      }              return 0;
532            }
533      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);      }
534      keyring_check_last_access (); /* init */  
535      while (GetMessage (&msg, hwnd, 0, 0)) {      /* If we found another WinPT instance, just quit to avoid it
536          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {         will be executed twice. */
537              TranslateMessage (&msg);      if (winpt_inst_found) {
538              DispatchMessage (&msg);          log_debug ("%s", "WinMain: WinPT is already running.");
539          }          free_gnupg_table ();
540      }          return 0;
541                }
542      return 0;  
543  } /* WinMain */      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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