/[winpt]/trunk/Src/WinPT.cpp
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revision 24 by twoaday, Sat Oct 8 10:43:08 2005 UTC revision 135 by twoaday, Mon Jan 9 09:50:55 2006 UTC
# Line 1  Line 1 
1  /* WinPT.cpp - Windows Privacy Tray (WinPT)  /* WinPT.cpp - Windows Privacy Tray (WinPT)
2   *      Copyright (C) 2000-2005 Timo Schulz   *      Copyright (C) 2000-2006 Timo Schulz
3   *   *
4   * This file is part of WinPT.   * This file is part of WinPT.
5   *   *
6   * WinPT is free software; you can redistribute it and/or modify   * WinPT is free software; you can redistribute it and/or modify
7   * it under the terms of the GNU General Public License as published by   * it under the terms of the GNU General Public License as published by
8   * the Free Software Foundation; either version 2 of the License, or   * the Free Software Foundation; either version 2 of the License, or
9   * (at your option) any later version.   * (at your option) any later version.
10   *   *
11   * WinPT is distributed in the hope that it will be useful,   * WinPT is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   * GNU General Public License for more details.   * GNU General Public License for more details.
15   *   *
16   * You should have received a copy of the GNU General Public License   * You should have received a copy of the GNU General Public License
17   * along with WinPT; if not, write to the Free Software Foundation,   * along with WinPT; if not, write to the Free Software Foundation,
18   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19   */   */
20  #include <windows.h>  #ifdef HAVE_CONFIG_H
21    #include <config.h>
22  #include "../resource.h"  #endif
23  #include "wptTypes.h"  
24  #include "wptW32API.h"  #include <windows.h>
25  #include "wptVersion.h"  
26  #include "wptErrors.h"  #include "resource.h"
27  #include "wptGPG.h"  #include "wptTypes.h"
28  #include "wptRegistry.h"  #include "wptW32API.h"
29  #include "wptCommonCtl.h"  #include "wptVersion.h"
30  #include "wptDlgs.h"  #include "wptErrors.h"
31  #include "wptNLS.h"  #include "wptGPG.h"
32  #include "wptKeyserver.h"  #include "wptRegistry.h"
33  #include "wptCard.h"  #include "wptCommonCtl.h"
34  #include "wptFileManager.h"  #include "wptDlgs.h"
35  #include "wptContext.h"  #include "wptNLS.h"
36  #include "wptCardEdit.h"  #include "wptKeyserver.h"
37    #include "wptCard.h"
38  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptFileManager.h"
39  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptContext.h"
40  HWND activ_hwnd;  #include "wptCardEdit.h"
41  LOCK mo_file;  #include "wptCrypto.h"
42  int scard_support = 0;  
43  int debug = 0;  #define MIN_GPG_VER   "1.4.2"            /* Minimal GPG version. */
44  int mobile = 0;  #define MIN_GPGME_VER NEED_GPGME_VERSION /* Minimal GPGME version. */
45  int gpg_read_only = 0;  
46  char gpgver[3];  
47    HINSTANCE glob_hinst;   /* global instance for the dialogs */
48  /* Internal IPC */  HWND glob_hwnd;         /* global window handle for the dialogs */
49  int start_keymanager = 0;  HWND activ_hwnd;
50    LOCK mo_file;
51  static void  int scard_support = 0;
52  update_keycache (HWND hwnd)  int debug = 0;
53  {  int mobile = 0;
54      refresh_cache_s rcs = {0};  int gpg_read_only = 0;
55      rcs.kr_reload = 0;  char gpgver[3];
56      rcs.kr_update = 1;  
57      rcs.tr_update = 1;  
58      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  /* Load the key cache and rebuild the signature cache. */
59                      keycache_dlg_proc, (LPARAM)&rcs);  static void
60  } /* update_keycache */  update_keycache (HWND hwnd)
61    {
62        refresh_cache_s rcs = {0};
63  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */      rcs.kr_reload = 0;
64  void      rcs.kr_update = 1;
65  gpg_set_debug_mode (int val)      rcs.tr_update = 1;
66  {            DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
67      if (val)                      keycache_dlg_proc, (LPARAM)&rcs);
68          putenv ("GPGME_DEBUG=5:gpgme.dbg");  }
69      else  
70          putenv ("GPGME_DEBUG=");  
71  }  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
72    void
73  static char *  gpg_set_debug_mode (int val)
74  get_gettext_lang (void)  {      
75  {          if (val)
76      char * fname;          putenv ("GPGME_DEBUG=5:gpgme.dbg");
77      fname = get_reg_entry_mo ();      else
78      if (!fname)          putenv ("GPGME_DEBUG=");
79          return NULL;  }
80      return fname;  
81  } /* get_gettext_lang */  
82    /* Return the name of the gettext language file. */
83    static char*
84  static void  get_gettext_lang (void)
85  load_gettext (void)  {    
86  {      char *fname;
87      char *nls = NULL;      fname = get_reg_entry_mo ();
88      char *file = NULL;      if (!fname)
89            return NULL;
90      nls = get_gettext_lang ();      return fname;
91      if (nls) {  }
92          set_gettext_file ("winpt", nls);  
93          file = make_filename (nls, "winpt", "mo");  
94          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  /* Initialize the gettext sub system. */
95              msg_box (NULL, _("Could not initizalize file lock.\n"  static void
96                               "Native Language Support"),  load_gettext (int prev_inst)
97                       _("WinPT Error"), MB_ERR);  {
98          }      char *nls = NULL;
99          free_if_alloc (nls);      char *file = NULL;
100          free_if_alloc (file);  
101      }      nls = get_gettext_lang ();
102  } /* load_gettext */      if (nls) {
103            set_gettext_file ("winpt", nls);
104            file = make_filename (nls, "winpt", "mo");
105  /* check if the default key from the gpg.conf file is available in the          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
106     keyring. if not, bail out because encryption won't work properly then. */              if (!prev_inst)
107  static int                  msg_box (NULL, _("Could not initizalize file lock.\n"
108  check_default_key (gpgme_keycache_t kc)                                   "Native Language Support"),
109  {                           _("WinPT Error"), MB_ERR);
110      gpgme_key_t key;          }
111      gpgme_error_t err = GPG_ERR_NO_ERROR;          free_if_alloc (nls);
112      char * defkey;          free_if_alloc (file);
113        }
114      defkey = get_gnupg_default_key ();  }
115      if (defkey)  
116          err = gpgme_keycache_find_key (kc, defkey, 0, &key);  
117      free_if_alloc (defkey);  /* Load the GPG environment. On the first start, some
118      return err? -1 : 0;     checks are performed to find out in what state GPG is.
119  } /* check_default_key */     Return value: 0  everything OK.
120                     >0  fatal error.
121                     -1 public keyring is empty or does not exist. */
122  /* Return the WinPT program file name (with full pathname). */  static int
123  static const char *  load_gpg_env (void)
124  get_prog_part (const char * fname, int use_cwd)  {
125  {      SECURITY_ATTRIBUTES sec_attr;
126      static char program[1024];      char *p;
127      char currdir[256], * cmd = NULL;      char *pkr;
128      int j;  
129                p = get_reg_entry_gpg4win ("gpg.exe");
130      memset (currdir, 0, DIM (currdir));      if (!p)
131      memset (program, 0, DIM (program));          return (1);
132                if (file_exist_check (p)) {
133      if (use_cwd) {          free_if_alloc (p);
134          GetCurrentDirectory (DIM (currdir)-1, currdir);          return (1);
135          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      }
136      }      free_if_alloc (p);
137      else {      p = multi_gnupg_path (0);
138          cmd = GetCommandLine ();      if (p && dir_exist_check (p)) {
139          if (cmd == NULL)          memset (&sec_attr, 0, sizeof (sec_attr));
140              return NULL;          sec_attr.nLength = sizeof (sec_attr);
141          strncpy (currdir, cmd, 255);          if (!CreateDirectory (p, &sec_attr)) {
142          j = strlen (currdir);              msg_box (NULL, _("Could not create GPG home directory"),
143          while (j--) {                       _("WinPT Error"), MB_ERR);
144              if (currdir[j] == '\\')              free_if_alloc (p);
145                  break;                        return (2);
146          }          }
147          currdir[j] = 0;      }
148          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);      pkr = make_filename (p, "pubring", "gpg");
149      }      free_if_alloc (p);
150      return program;      if (!pkr)
151  } /* get_prog_part */          return -1;
152        if (get_file_size (pkr) == 0) {
153            free_if_alloc (pkr);
154  static int          return -1;
155  check_crypto_engine (void)      }
156  {      return 0;
157      int ma=1, mi=4, pa=0; /* GPG 1.4.0 */  }
158      int rc;  
159    
160      rc = check_gnupg_engine (&ma, &mi, &pa);  /* check if the default key from the gpg.conf file is available in the
161      if (rc == -1) {     keyring. if not, bail out because encryption won't work properly then. */
162          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);  static int
163          return rc;  check_default_key (gpg_keycache_t kc)
164      }  {
165      else if (rc) {      gpgme_key_t key;
166          log_box (_("WinPT Error"), MB_ERR,      gpgme_error_t err = GPG_ERR_NO_ERROR;
167                   _("Sorry, you need a newer GPG version.\n"      char *defkey;
168                     "GPG version %d.%d.%d required GPG version 1.4.0"),  
169                     ma, mi, pa);      defkey = get_gnupg_default_key ();
170          return rc;      if (defkey)
171      }          err = gpg_keycache_find_key (kc, defkey, 0, &key);
172      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */      else
173      if (ma >= 1 && mi >= 4)          msg_box (NULL, _("No useable secret key found."),
174          scard_support = 1;                   _("WinPT Error"), MB_ERR);
175        free_if_alloc (defkey);
176      gpgver[0] = ma;      return err? -1 : 0;
177      gpgver[1] = mi;  }
178      gpgver[2] = pa;  
179      return rc;  
180  } /* check_crypto_engine */  /* Return the WinPT program file name (with full pathname). */
181    static const char*
182    get_prog_part (const char * fname, int use_cwd)
183  static int  {
184  load_keyserver_conf (int quiet)      static char program[512];
185  {      char currdir[256];
186      const char * t;      char *cmd = NULL;
187      int rc;      int j;
188            
189      if (reg_prefs.kserv_conf)      memset (currdir, 0, DIM (currdir));
190          t = reg_prefs.kserv_conf;      memset (program, 0, DIM (program));
191      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))          
192          t = get_prog_part ("keyserver.conf", 0);      if (use_cwd) {
193      else          GetCurrentDirectory (DIM (currdir)-1, currdir);
194          t = "keyserver.conf";          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
195      rc = kserver_load_conf (t);      }
196      if (rc && !quiet)      else {
197          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);          cmd = GetCommandLine ();
198      return rc;          if (cmd == NULL)
199  }              return NULL;
200            strncpy (currdir, cmd, sizeof (currdir)-1);
201            j = strlen (currdir);
202  static void          while (j--) {
203  enable_mobile_mode (void)              if (currdir[j] == '\\')
204  {                  break;
205      memset (&reg_prefs, 0, sizeof (reg_prefs));          }
206      reg_prefs.always_trust = 0;          currdir[j] = 0;
207      reg_prefs.auto_backup = 0;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
208      reg_prefs.cache_time = 0;      }
209      reg_prefs.expert = 0;      return program;
210      reg_prefs.keylist_mode = 1;  }
211      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
212      reg_prefs.no_zip_mmedia = 1;  
213      reg_prefs.use_tmpfiles = 1;  /* Check that the underlying crypto engine fullfills the minimal
214      reg_prefs.word_wrap = 80;     requirements so all commands work properly. */
215      reg_prefs.use_viewer = 0; /* XXX */  static bool
216  }  check_crypto_engine (void)
217    {
218  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      int ma=1, mi=4, pa=2; /* GPG 1.4.2 */
219        int rc;
220  int WINAPI  
221  #ifndef WINPT_IPC      rc = check_gnupg_engine (&ma, &mi, &pa);
222  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      if (rc == -1) {
223  #else          msg_box (NULL, _("Could not read GnuPG version."),
224  win_main (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)                   _("WinPT Error"), MB_ERR);
225  #endif          return false;
226  {      }
227      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      else if (rc) {
228      HACCEL accel_tab;          log_box (_("WinPT Error"), MB_ERR,
229      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;                   _("Sorry, you need a newer GPG version.\n"
230      int first_start = 0, start_gpgprefs = 0;                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
231      const char * s;                     ma, mi, pa);
232      MSG msg;          return false;
233      HWND hwnd = NULL;      }
234        /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
235      glob_hinst = hinst;      if (ma > 1 || pa >= 3)    
236            scard_support = 1;
237      #ifdef _DEBUG  
238      gpg_set_debug_mode (1);      gpgver[0] = ma;
239      debug = 1;      gpgver[1] = mi;
240      #endif      gpgver[2] = pa;
241        return true;
242      s = PTD_get_version ();  }
243      if (strcmp (s, "0.8.0")) {  
244          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,  
245                   _("Please update your PTD.dll to the newest version, "  /* Try to load the keyserver config file. If @quiet is 1
246                     "the version (%s) you use is too old."), s);     do not show any errors. */
247          return 0;  static int
248      }  load_keyserver_conf (int quiet)
249    {
250      if (gpg_md_selftest ()) {      const char *t;
251          msg_box (NULL, _("Cryptographic selftest failed."),      int rc;
252                   _("WinPT Error"), MB_ERR);  
253          return 0;      if (reg_prefs.kserv_conf)
254      }          t = reg_prefs.kserv_conf;
255        else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
256      s = gpgme_check_version ("1.1.0");          t = get_prog_part ("keyserver.conf", 0);
257      if (!s || !*s) {      else
258          msg_box (NULL, _("A newer GPGME version is needed."), "WinPT Error", MB_ERR);          t = "keyserver.conf";
259          return 0;      rc = kserver_load_conf (t);
260      }      if (rc && !quiet)
261            msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
262      if (cmdline && stristr (cmdline, "--mobile")) {      return rc;
263          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",  }
264                   "WinPT", MB_INFO);  
265          mobile = 1;  
266      }  /* Check if both keyrings are empty. This indicates that
267       WinPT should offer to generate a key pair. */
268      set_default_kserver ();  static bool
269    check_for_empty_keyrings (bool pub_only)
270      if (!mobile) {  {
271          regist_inst_gnupg (1);      char *p;
272          regist_inst_winpt (1, &created);      int n = 0;
273      }  
274      else {      p = get_gnupg_keyring (1, 0);
275          enable_mobile_mode ();      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
276          /* XXX: ask for GPG path */          n++;
277          created = 1; /* Disable registry writing */      free_if_alloc (p);
278      }      if (pub_only)
279            return n == 1? true : false;
280      if (!created) {      p = get_gnupg_keyring (0, 0);
281          memset (&reg_prefs, 0, sizeof (reg_prefs));      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
282          reg_prefs.use_tmpfiles = 1; /* default */          n++;
283          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      free_if_alloc (p);
284          get_reg_winpt_prefs (&reg_prefs);      return n==2? true : false;
285          if (!reg_prefs.no_hotkeys)  }
286              hotkeys_modify ();  
287      }  
288    /* Enable the mobility mode. */
289      rc = gnupg_check_homedir ();  static void
290      if (rc) {  enable_mobile_mode (void)
291          log_box (_("WinPT Error"), MB_ERR,  {
292                   _("GPG home directory is not set correctly.\n"      memset (&reg_prefs, 0, sizeof (reg_prefs));
293                     "Please check the GPG registry settings:\n%s."),      reg_prefs.always_trust = 0;
294                   winpt_strerror (rc));      reg_prefs.auto_backup = 0;
295          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,      reg_prefs.cache_time = 0;
296                                             _("Select GPG Public Keyring"),      reg_prefs.expert = 0;
297                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),      reg_prefs.keylist_mode = 1;
298                                             NULL);      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
299          if (s != NULL) {      reg_prefs.no_zip_mmedia = 1;
300              size_t n;      reg_prefs.use_tmpfiles = 1;
301              char * p = strrchr (s, '\\');      reg_prefs.word_wrap = 80;
302              if (!p)      reg_prefs.use_viewer = 0; /* XXX */
303                  BUG (0);  }
304              n = p - s;  
305              if (n)  
306              {  /* Main entry point. */
307                  char * file = new char[n+1];  int WINAPI
308                  if (!file)  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
309                      BUG (NULL);  {
310                  memset (file, 0, n);      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
311                  memcpy (file, s, n);      HACCEL accel_tab;
312                  file[n] = '\0';              MSG msg;
313                  set_reg_entry_gpg ("HomeDir", file);      HWND hwnd = NULL;
314                  free_if_alloc (file);      WORD ver[3], ptdver[4];
315                  gnupg_check_homedir (); /* change gpgProgram if needed */      int rc, ec, created = 0;
316              }      int first_start = 0, start_gpgprefs = 0;
317          }      int winpt_inst_found = 0;
318          else {      int start_manager = 0;
319              msg_box (NULL, _("GPG home directory could not be determited."),      const char *s;
320                       _("WinPT Error"), MB_ERR);  
321              goto start;      glob_hinst = hinst;
322          }      if (cmdline && stristr (cmdline, "--stop")) {
323      }          hwnd = FindWindow ("WinPT", "WinPT");
324            if (hwnd != NULL)
325      rc = check_gnupg_prog ();              PostMessage (hwnd, WM_DESTROY, 0, 0);
326      if (rc) {          return 0;
327          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"      }
328                               "Do you want to start the GPG preferences to "  
329                               "correct  this problem?"), _("WinPT Error"),      /*
330                               MB_INFO|MB_YESNO) == IDYES)      OSVERSIONINFO osinf;
331              start_gpgprefs = 1;      memset (&osinf, 0, sizeof (osinf));
332          else      if (GetVersionEx (&osinf) &&
333          {          osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
334              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          osinf.dwMinorVersion == 0) {
335              return 0;          msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
336          }                   "WinPT Warning", MB_INFO);
337      }      }
338        */
339      rc = gnupg_access_files ();  
340      if (!start_gpgprefs && rc)      #ifdef _DEBUG
341      {      gpg_set_debug_mode (1);
342          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)      debug = 1;
343          {      #endif
344              ec = msg_box (NULL,  
345                  _("Could not access and/or find the public and secret keyring.\n"      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
346                    "If this is an accident, quit the program and fix it.\n\n"      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
347                    "Continue if you want that WinPT offers you more choices.\n"),                                   &ptdver[2], &ptdver[3]);
348                    "WinPT", MB_INFO|MB_YESNO);      /* XXX
349              if (ec == IDYES)      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
350                  first_start = 1;          log_box (_("WinPT Error"), MB_ERR,
351          }                   _("The PTD.dll file has a different version than WinPT.exe\n"
352          if (!first_start)                     "Please update the PTD.dll to version %d.%d.%d"),
353          {                     ver[0], ver[1], ver[2]);
354              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          return 0;
355              return 0;      }
356          }      */
357      }  
358        if (gpg_md_selftest ()) {
359      if (!first_start)          msg_box (NULL, _("Cryptographic selftest failed."),
360      {                   _("WinPT Error"), MB_ERR);
361          rc = gpg_check_permissions (1);          return 0;
362          if (rc && rc == 2)      }
363              gpg_read_only = 1;  
364          else if (rc)      s = gpgme_check_version (MIN_GPGME_VER);
365              return 0;      if (!s || !*s) {
366      }          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
367                     _("WinPT Error"), MB_ERR);
368      load_gettext ();          return 0;
369      init_gnupg_table ();      }
370    
371      nfiles = fm_parse_command_line (cmdline);      CreateMutex (NULL, TRUE, PGM_NAME);
372      if (nfiles > 0)      if (GetLastError () == ERROR_ALREADY_EXISTS)
373          return 0;          winpt_inst_found = 1;
374    
375      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      if (cmdline && stristr (cmdline, "--mobile")) {
376          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
377                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,                   "WinPT", MB_INFO);
378                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);          mobile = 1;
379          free_gnupg_table ();      }
380          return 0;  
381      }      set_default_kserver ();
382        load_gettext (winpt_inst_found);
383      load_keyserver_conf (cmdline? 1 : 0);  
384      if (start_keymanager) {      if (!mobile) {
385          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,          regist_inst_gnupg (1);
386                              GetDesktopWindow(), keymanager_dlg_proc, NULL,          regist_inst_winpt (1, &created);
387                              _("Key Manager"), IDS_WINPT_KEYMISC);      }
388          keycache_release ();      else {
389          free_gnupg_table ();          enable_mobile_mode ();
390          return 0;          /* XXX: ask for GPG path */
391      }          created = 1; /* Disable registry writing */
392        }
393      if (cmdline && (stristr (cmdline, "--keymanager")  
394                  || stristr (cmdline, "--cardmanager"))) {      if (!created) {
395          update_keycache (GetDesktopWindow ());          memset (&reg_prefs, 0, sizeof (reg_prefs));
396          if (stristr (cmdline, "keymanager"))          reg_prefs.use_tmpfiles = 1; /* default */
397              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
398                              GetDesktopWindow(), keymanager_dlg_proc, NULL,          get_reg_winpt_prefs (&reg_prefs);
399                              _("Key Manager"), IDS_WINPT_KEYMISC);            if (!reg_prefs.no_hotkeys)
400          else {              hotkeys_modify ();
401              gpg_card_t crd = smartcard_init ();          gnupg_load_config ();
402              if (crd)      }
403                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,  
404                                    GetDesktopWindow(), card_edit_dlg_proc,      if (is_gpg4win_installed ())
405                                    (LPARAM)crd, _("Card Manager"),          load_gpg_env (); /* XXX: check return code. */
406                                    IDS_WINPT_CARD_EDIT);  
407              gpg_card_release (crd);      rc = gnupg_check_homedir ();
408          }      if (rc) {
409          keycache_release ();          log_box (_("WinPT Error"), MB_ERR,
410          free_gnupg_table ();                   _("GPG home directory is not set correctly.\n"
411          return 0;                     "Please check the GPG registry settings:\n%s."),
412      }                   winpt_strerror (rc));
413            s = get_fileopen_dlg (GetActiveWindow (),
414      CreateMutex (NULL, TRUE, PGM_NAME);                                _("Select GPG Public Keyring"),
415      if (GetLastError () == ERROR_ALREADY_EXISTS) {                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
416          free_gnupg_table ();                                NULL);
417          return 0;          if (s != NULL) {
418      }              size_t n;
419                char *p = strrchr (s, '\\');
420      if (cmdline) {              if (!p)
421          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {                  BUG (0);
422              gpg_set_debug_mode (1);              n = p - s;
423              winpt_debug_msg ();              if (n) {
424              debug = 1;                  char *file = new char[n+1];
425          }                  if (!file)
426      }                      BUG (NULL);
427                    memset (file, 0, n);
428      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));                  memcpy (file, s, n);
429      rc = RegisterClass (&wc);                  file[n] = '\0';        
430      if (rc == FALSE) {                  set_reg_entry_gpg ("HomeDir", file);
431          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);                  free_if_alloc (file);
432          free_gnupg_table ();                  gnupg_check_homedir (); /* change gpgProgram if needed */
433          return 0;              }
434      }          }
435            else {
436      hwnd = CreateWindow (PGM_NAME,              msg_box (NULL, _("GPG home directory could not be determited."),
437                           PGM_NAME,                       _("WinPT Error"), MB_ERR);
438                           0, 0, 0, 0, 0,              goto start;
439                           NULL,          }
440                           NULL,      }
441                           hinst,  
442                           NULL);      rc = check_gnupg_prog ();
443      if (hwnd == NULL) {      if (rc) {
444          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
445          free_gnupg_table ();                               "Do you want to start the GPG preferences to "
446          return 0;                               "correct  this problem?"), _("WinPT Error"),
447      }                               MB_INFO|MB_YESNO) == IDYES)
448      glob_hwnd = hwnd;              start_gpgprefs = 1;
449      UpdateWindow (hwnd);          else {
450                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
451      if (!first_start && !start_gpgprefs) {              return 0;
452          gnupg_backup_options ();                  }
453          rc = check_crypto_engine ();      }
454          if (rc) {  
455              DestroyWindow (hwnd);      rc = gnupg_access_files ();
456              free_gnupg_table ();      if (!start_gpgprefs && rc) {
457              return 0;          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
458          }              ec = msg_box (NULL,
459      }                  _("Could not access and/or find the public and secret keyring.\n"
460                          "If this is an accident, quit the program and fix it.\n\n"
461      if (start_gpgprefs) {                    "Continue if you want that WinPT offers you more choices.\n"),
462          char *ring;                    "WinPT", MB_INFO|MB_YESNO);
463          size_t size = 0;              if (ec == IDYES)
464          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                  first_start = 1;
465                          gpgprefs_dlg_proc, NULL);          }
466          ring = get_gnupg_keyring (0, !NO_STRICT);          if (!first_start) {
467          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
468              first_start = 1; /* The keyring is empty! */              return 0;
469          free_if_alloc (ring);          }
470      }      }
471        if (check_for_empty_keyrings (false))
472      if (first_start) {          first_start = 1;
473          struct first_start_s fs;  
474          struct genkey_s c;      if (!first_start) {
475          HWND h;          rc = gpg_check_permissions (1);
476  start:          if (rc && rc == 2)
477          h = GetDesktopWindow ();              gpg_read_only = 1;
478          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,          else if (rc)
479                              gpgprefs_dlg_proc, NULL);              return 0;
480          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,      }
481                          first_run_dlg_proc, (LPARAM)&fs);      
482          switch (fs.choice) {      init_gnupg_table ();
483          case SETUP_KEYGEN:  
484              c.interactive = 1;      if (fm_parse_command_line (cmdline) > 0) {
485              c.first_start = 1;          free_gnupg_table ();
486              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,          return 0;
487                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);      }
488              if (!rc)  
489                  goto start;      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
490              break;          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
491                                GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
492          case SETUP_IMPORT:                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
493              rc = gnupg_copy_keyrings ();          free_gnupg_table ();
494              if (rc) {          return 0;
495                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      }
496                  goto start;  
497              }      load_keyserver_conf (cmdline? 1 : 0);
498              break;  
499        if (cmdline && (stristr (cmdline, "--keymanager")
500          case -1:                  || stristr (cmdline, "--cardmanager"))) {
501              DestroyWindow (hwnd);          /* If an instance of WinPT is running, just send the command
502              free_gnupg_table ();             to open the key manager. Otherwise start a new instance.
503              return 0;           */
504          }          HWND tray = FindWindow ("WinPT", "WinPT");
505          update_keycache (hwnd);          if (stristr (cmdline, "keymanager"))
506          check_crypto_engine ();              start_manager = ID_WINPT_KEY;
507      }          else
508      else {              start_manager = ID_WINPT_CARD;
509          gpgme_keycache_t c;          if (tray != NULL) {
510          update_keycache (hwnd);              PostMessage (tray, WM_COMMAND, start_manager, 0);
511          c = keycache_get_ctx (1);              free_gnupg_table ();
512          if (!c || !gpgme_keycache_count (c)) {              return 0;
513              gnupg_display_error ();          }
514              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"      }
515                               "Please check your GPG config (keyrings, pathes...)"),  
516                               _("WinPT Error"), MB_ERR);      /* If we found another WinPT instance, just quit to avoid it
517              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"         will be executed twice. */
518                                    "Do you want to start the GPG preferences dialog?"),      if (winpt_inst_found) {
519                              "WinPT", MB_INFO|MB_YESNO);          log_debug ("%s", "WinMain: WinPT is already running.");
520              if (ec == IDYES) {          free_gnupg_table ();
521                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          return 0;
522                                  gpgprefs_dlg_proc, NULL);      }
523                  update_keycache (hwnd);  
524              }      if (cmdline) {
525              else {          if (stristr (cmdline, "--enable-debug") ||
526                  DestroyWindow (hwnd);              stristr (cmdline, "--debug")) {
527                  free_gnupg_table ();              gpg_set_debug_mode (1);
528                  return 0;              winpt_debug_msg ();
529              }              debug = 1;
530          }          }
531          if (check_default_key (c)) {      }
532              char * p = get_gnupg_default_key ();  
533              log_box (_("WinPT Error"), MB_ERR,      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
534                       _("Default key from the GPG options file could not be found.\n"      rc = RegisterClass (&wc);
535                         "Please check your gpg.conf (options) to correct this:\n\n"      if (rc == FALSE) {
536                         "%s: public key not found."), p? p : "[null]");          msg_box (NULL, _("Could not register window class"),
537              free_if_alloc (p);                   _("WinPT Error"), MB_ERR);
538              DestroyWindow (hwnd);          free_gnupg_table ();
539              free_gnupg_table ();          return 0;
540              return 0;      }
541          }  
542          if (count_insecure_elgkeys ())      hwnd = CreateWindow (PGM_NAME,
543              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,                           PGM_NAME,
544                              elgamal_warn_dlg_proc, NULL);                           0, 0, 0, 0, 0,
545      }                           NULL,
546                             NULL,
547      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);                           hinst,
548      keyring_check_last_access (); /* init */                           NULL);
549      while (GetMessage (&msg, hwnd, 0, 0)) {      if (hwnd == NULL) {
550          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
551              TranslateMessage (&msg);          free_gnupg_table ();
552              DispatchMessage (&msg);          return 0;
553          }      }
554      }      glob_hwnd = hwnd;
555                UpdateWindow (hwnd);
556      return 0;  
557  } /* WinMain */      if (!first_start && !start_gpgprefs) {
558            gnupg_backup_options ();        
559            if (!check_crypto_engine ()) {
560                DestroyWindow (hwnd);
561                free_gnupg_table ();
562                return 0;
563            }
564        }
565        
566        if (start_gpgprefs) {
567            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
568                            gpgprefs_dlg_proc, 0);
569            if (check_for_empty_keyrings (true))
570                first_start = 1; /* The public keyring is empty! */
571        }
572    
573        if (first_start) {
574            struct first_start_s fs;
575            struct genkey_s c;
576            HWND h;
577    start:
578            h = GetDesktopWindow ();
579            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
580                                gpgprefs_dlg_proc, 0);
581            DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
582                            first_run_dlg_proc, (LPARAM)&fs);
583            switch (fs.choice) {
584            case SETUP_KEYGEN:
585                c.interactive = 1;
586                c.first_start = 1;
587                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
588                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
589                if (!rc)
590                    goto start;
591                break;
592    
593            case SETUP_IMPORT:
594                rc = gnupg_copy_keyrings ();
595                if (rc) {
596                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
597                    goto start;
598                }
599                break;
600    
601            case -1: /* Cancel/Abort. */
602                DestroyWindow (hwnd);
603                free_gnupg_table ();
604                return 0;
605            }
606            update_keycache (hwnd);
607            check_crypto_engine ();
608        }
609        else {
610            gpg_keycache_t c;
611            update_keycache (hwnd);
612            c = keycache_get_ctx (1);
613            if (!c || !gpg_keycache_get_size (c)) {
614                gnupg_display_error ();
615                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
616                                 "Please check your GPG config (keyrings, pathes...)"),
617                                 _("WinPT Error"), MB_ERR);
618                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
619                                      "Do you want to start the GPG preferences dialog?"),
620                                "WinPT", MB_INFO|MB_YESNO);
621                if (ec == IDYES) {
622                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
623                                    gpgprefs_dlg_proc, 0);
624                    update_keycache (hwnd);
625                }
626                else {
627                    DestroyWindow (hwnd);
628                    free_gnupg_table ();
629                    return 0;
630                }
631            }
632            if (check_default_key (c)) {
633                char *p = get_gnupg_default_key ();
634                log_box (_("WinPT Error"), MB_ERR,
635                         _("Default key from the GPG options file could not be found.\n"
636                           "Please check your gpg.conf (options) to correct this:\n\n"
637                           "%s: public key not found."), p? p : "[null]");
638                free_if_alloc (p);
639                DestroyWindow (hwnd);
640                free_gnupg_table ();
641                return 0;
642            }
643            if (count_insecure_elgkeys ())
644                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
645                                elgamal_warn_dlg_proc, 0);
646        }
647    
648        if (start_manager)
649            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
650    
651        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
652        keyring_check_last_access (); /* init */
653        while (GetMessage (&msg, hwnd, 0, 0)) {
654            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
655                TranslateMessage (&msg);
656                DispatchMessage (&msg);
657            }
658        }
659            
660        return 0;
661    }
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