/[winpt]/trunk/Src/WinPT.cpp
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revision 22 by twoaday, Wed Aug 10 11:33:35 2005 UTC revision 102 by twoaday, Tue Nov 29 08:56:21 2005 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) 2000-2005 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 "wptKeyserver.h"
37  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptCard.h"
38  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptFileManager.h"
39  HWND activ_hwnd;  #include "wptContext.h"
40  LOCK mo_file;  #include "wptCardEdit.h"
41  int scard_support = 0;  #include "wptCrypto.h"
42  int debug = 0;  
43  int mobile = 0;  #define MIN_GPG_VER   "1.4.2"   /* Minimal GPG version. */
44  int gpg_read_only = 0;  #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */
45  char gpgver[3];  
46    
47  /* Internal IPC */  HINSTANCE glob_hinst;   /* global instance for the dialogs */
48  int start_keymanager = 0;  HWND glob_hwnd;         /* global window handle for the dialogs */
49    HWND activ_hwnd;
50  static void  LOCK mo_file;
51  update_keycache (HWND hwnd)  int scard_support = 0;
52  {  int debug = 0;
53      refresh_cache_s rcs = {0};  int mobile = 0;
54      rcs.kr_reload = 0;  int gpg_read_only = 0;
55      rcs.kr_update = 1;  char gpgver[3];
56      rcs.tr_update = 1;  
57      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  
58                      keycache_dlg_proc, (LPARAM)&rcs);  /* Load the key cache and rebuild the signature cache. */
59  } /* update_keycache */  static void
60    update_keycache (HWND hwnd)
61    {
62  static char *      refresh_cache_s rcs = {0};
63  get_gettext_lang (void)      rcs.kr_reload = 0;
64  {          rcs.kr_update = 1;
65      char * fname;      rcs.tr_update = 1;
66      fname = get_reg_entry_mo ();      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
67      if (!fname)                      keycache_dlg_proc, (LPARAM)&rcs);
68          return NULL;  }
69      return fname;  
70  } /* get_gettext_lang */  
71    /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
72    void
73  static void  gpg_set_debug_mode (int val)
74  load_gettext (void)  {      
75  {      if (val)
76      char * nls = NULL;          putenv ("GPGME_DEBUG=5:gpgme.dbg");
77      char * file = NULL;      else
78            putenv ("GPGME_DEBUG=");
79      nls = get_gettext_lang ();  }
80      if (nls) {  
81          set_gettext_file ("winpt", nls);  
82          file = make_filename (nls, "winpt", "mo");  /* Return the name of the gettext language file. */
83          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  static char*
84              msg_box (NULL, _("Could not initizalize file lock.\n"  get_gettext_lang (void)
85                               "Native Language Support"),  {    
86                       _("WinPT Error"), MB_ERR);      char *fname;
87          }      fname = get_reg_entry_mo ();
88          free_if_alloc (nls);      if (!fname)
89          free_if_alloc (file);          return NULL;
90      }      return fname;
91  } /* load_gettext */  }
92    
93    
94  /* check if the default key from the gpg.conf file is available in the  /* Initialize the gettext sub system. */
95     keyring. if not, bail out because encryption won't work properly then. */  static void
96  static int  load_gettext (int prev_inst)
97  check_default_key (gpgme_keycache_t kc)  {
98  {      char *nls = NULL;
99      gpgme_key_t key;      char *file = NULL;
100      gpgme_error_t err = GPGME_No_Error;  
101      char * defkey;      nls = get_gettext_lang ();
102        if (nls) {
103      defkey = get_gnupg_default_key ();          set_gettext_file ("winpt", nls);
104      if (defkey)          file = make_filename (nls, "winpt", "mo");
105          err = gpgme_keycache_find_key (kc, defkey, 0, &key);          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {
106      free_if_alloc (defkey);              if (!prev_inst)
107      return err? -1 : 0;                  msg_box (NULL, _("Could not initizalize file lock.\n"
108  } /* check_default_key */                                   "Native Language Support"),
109                             _("WinPT Error"), MB_ERR);
110            }
111  /* Return the WinPT program file name (with full pathname). */          free_if_alloc (nls);
112  static const char *          free_if_alloc (file);
113  get_prog_part (const char * fname, int use_cwd)      }
114  {  }
115      static char program[1024];  
116      char currdir[256], * cmd = NULL;  
117      int j;  /* check if the default key from the gpg.conf file is available in the
118               keyring. if not, bail out because encryption won't work properly then. */
119      memset (currdir, 0, DIM (currdir));  static int
120      memset (program, 0, DIM (program));  check_default_key (gpg_keycache_t kc)
121            {
122      if (use_cwd) {      gpgme_key_t key;
123          GetCurrentDirectory (DIM (currdir)-1, currdir);      gpgme_error_t err = GPG_ERR_NO_ERROR;
124          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      char * defkey;
125      }  
126      else {      defkey = get_gnupg_default_key ();
127          cmd = GetCommandLine ();      if (defkey)
128          if (cmd == NULL)          err = gpg_keycache_find_key (kc, defkey, 0, &key);
129              return NULL;      else
130          strncpy (currdir, cmd, 255);          msg_box (NULL, _("No useable secret key found."), _("WinPT Error"), MB_ERR);
131          j = strlen (currdir);      free_if_alloc (defkey);
132          while (j--) {      return err? -1 : 0;
133              if (currdir[j] == '\\')  }
134                  break;            
135          }  
136          currdir[j] = 0;  /* Return the WinPT program file name (with full pathname). */
137          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  static const char *
138      }  get_prog_part (const char * fname, int use_cwd)
139      return program;  {
140  } /* get_prog_part */      static char program[512];
141        char currdir[256];
142        char *cmd = NULL;
143  static int      int j;
144  check_crypto_engine (void)          
145  {      memset (currdir, 0, DIM (currdir));
146      int ma=1, mi=4, pa=0; /* GPG 1.4.0 */      memset (program, 0, DIM (program));
147      int rc;          
148        if (use_cwd) {
149      rc = check_gnupg_engine (&ma, &mi, &pa);          GetCurrentDirectory (DIM (currdir)-1, currdir);
150      if (rc == -1) {          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
151          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);      }
152          return rc;      else {
153      }          cmd = GetCommandLine ();
154      else if (rc) {          if (cmd == NULL)
155          log_box (_("WinPT Error"), MB_ERR,              return NULL;
156                   _("Sorry, you need a newer GPG version.\n"          strncpy (currdir, cmd, sizeof (currdir)-1);
157                     "GPG version %d.%d.%d required GPG version 1.4.0"),          j = strlen (currdir);
158                     ma, mi, pa);          while (j--) {
159          return rc;              if (currdir[j] == '\\')
160      }                  break;
161      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */          }
162      if (ma >= 1 && mi >= 4)          currdir[j] = 0;
163          scard_support = 1;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
164        }
165      gpgver[0] = ma;      return program;
166      gpgver[1] = mi;  }
167      gpgver[2] = pa;  
168      return rc;  
169  } /* check_crypto_engine */  /* Check that the underlying crypto engine fullfills the minimal
170       requirements so all commands work properly. */
171    static int
172  static int  check_crypto_engine (void)
173  load_keyserver_conf (int quiet)  {
174  {      int ma=1, mi=4, pa=2; /* GPG 1.4.2 */
175      const char * t;      int rc;
176      int rc;  
177        rc = check_gnupg_engine (&ma, &mi, &pa);
178      if (reg_prefs.kserv_conf)      if (rc == -1) {
179          t = reg_prefs.kserv_conf;          msg_box (NULL, _("Could not read GnuPG version."),
180      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))                   _("WinPT Error"), MB_ERR);
181          t = get_prog_part ("keyserver.conf", 0);          return rc;
182      else      }
183          t = "keyserver.conf";      else if (rc) {
184      rc = kserver_load_conf (t);          log_box (_("WinPT Error"), MB_ERR,
185      if (rc && !quiet)                   _("Sorry, you need a newer GPG version.\n"
186          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
187      return rc;                     ma, mi, pa);
188  }          return rc;
189        }
190        /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
191  static void      if (ma > 1 || pa >= 3)
192  enable_mobile_mode (void)          scard_support = 1;
193  {  
194      memset (&reg_prefs, 0, sizeof (reg_prefs));      gpgver[0] = ma;
195      reg_prefs.always_trust = 0;      gpgver[1] = mi;
196      reg_prefs.auto_backup = 0;      gpgver[2] = pa;
197      reg_prefs.cache_time = 0;      return rc;
198      reg_prefs.expert = 0;  }
199      reg_prefs.keylist_mode = 1;  
200      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
201      reg_prefs.no_zip_mmedia = 1;  /* Try to load the keyserver config file. If @quiet is 1
202      reg_prefs.use_tmpfiles = 1;     do not show any errors. */
203      reg_prefs.word_wrap = 80;  static int
204      reg_prefs.use_viewer = 0; /* XXX */  load_keyserver_conf (int quiet)
205  }  {
206        const char * t;
207  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      int rc;
208    
209  int WINAPI      if (reg_prefs.kserv_conf)
210  #ifndef WINPT_IPC          t = reg_prefs.kserv_conf;
211  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
212  #else          t = get_prog_part ("keyserver.conf", 0);
213  win_main (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      else
214  #endif          t = "keyserver.conf";
215  {      rc = kserver_load_conf (t);
216      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      if (rc && !quiet)
217      HACCEL accel_tab;          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
218      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;      return rc;
219      int first_start = 0, start_gpgprefs = 0;  }
220      const char * s;  
221      MSG msg;  
222      HWND hwnd = NULL;  /* Enable the mobility mode. */
223    static void
224      glob_hinst = hinst;  enable_mobile_mode (void)
225        {
226      gpgme_lib_init ();      memset (&reg_prefs, 0, sizeof (reg_prefs));
227      #ifdef _DEBUG      reg_prefs.always_trust = 0;
228      gpgme_set_debug_mode (1);      reg_prefs.auto_backup = 0;
229      #endif      reg_prefs.cache_time = 0;
230      gpgme_set_pgm_string ("WinPT "PGM_VERSION);      reg_prefs.expert = 0;
231        reg_prefs.keylist_mode = 1;
232      s = PTD_get_version ();      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
233      if (strcmp (s, "0.8.0")) {      reg_prefs.no_zip_mmedia = 1;
234          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      reg_prefs.use_tmpfiles = 1;
235                   _("Please update your PTD.dll to the newest version, "      reg_prefs.word_wrap = 80;
236                     "the version (%s) you use is too old."), s);      reg_prefs.use_viewer = 0; /* XXX */
237          return 0;  }
238      }  
239    char* multi_gnupg_path (void);
240      if (gpg_md_selftest ()) {  
241          msg_box (NULL, _("Cryptographic selftest failed."),  const char * fm_get_file_type (const char *fname, int *r_type);
242                   _("WinPT Error"), MB_ERR);  
243          return 0;  /* Main entry point. */
244      }  int WINAPI
245    WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
246      if (cmdline && stristr (cmdline, "--mobile")) {  {
247          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
248                   "WinPT", MB_INFO);      HACCEL accel_tab;
249          mobile = 1;      int rc, ec, created = 0, nfiles = 0;
250      }      int first_start = 0, start_gpgprefs = 0;
251        int winpt_inst_found = 0;
252      set_default_kserver ();      const char *s;
253        MSG msg;
254      if (!mobile) {      HWND hwnd = NULL;
255          regist_inst_gnupg (1);  
256          regist_inst_winpt (1, &created);      glob_hinst = hinst;
257      }  
258      else {      if (cmdline && stristr (cmdline, "--stop")) {
259          enable_mobile_mode ();          hwnd = FindWindow ("WinPT", "WinPT");
260          /* XXX: ask for GPG path */          if (hwnd != NULL)
261          created = 1; /* Disable registry writing */              PostMessage (hwnd, WM_DESTROY, 0, 0);
262      }          return 0;
263        }
264      if (!created) {      
265          memset (&reg_prefs, 0, sizeof (reg_prefs));  #ifdef _DEBUG
266          reg_prefs.use_tmpfiles = 1; /* default */      gpg_set_debug_mode (1);
267          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */      debug = 1;
268          get_reg_winpt_prefs (&reg_prefs);  #endif
269          if (!reg_prefs.no_hotkeys)  
270              hotkeys_modify ();      if (gpg_md_selftest ()) {
271      }          msg_box (NULL, _("Cryptographic selftest failed."),
272                     _("WinPT Error"), MB_ERR);
273      rc = gnupg_check_homedir ();          return 0;
274      if (rc) {      }
275          log_box (_("WinPT Error"), MB_ERR,  
276                   _("GPG home directory is not set correctly.\n"      s = gpgme_check_version (MIN_GPGME_VER);
277                     "Please check the GPG registry settings:\n%s."),      if (!s || !*s) {
278                   winpt_strerror (rc));          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
279          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,                   _("WinPT Error"), MB_ERR);
280                                             _("Select GPG Public Keyring"),          return 0;
281                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),      }
282                                             NULL);  
283          if (s && !file_exist_check (s))      CreateMutex (NULL, TRUE, PGM_NAME);
284          {      if (GetLastError () == ERROR_ALREADY_EXISTS)
285              size_t n;          winpt_inst_found = 1;
286              char * p = strrchr (s, '\\');  
287              if (!p)      if (cmdline && stristr (cmdline, "--mobile")) {
288                  BUG (0);          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
289              n = p - s;                   "WinPT", MB_INFO);
290              if (n)          mobile = 1;
291              {      }
292                  char * file = new char[n+1];  
293                  if (!file)      set_default_kserver ();
294                      BUG (NULL);  
295                  memset (file, 0, n);      if (!mobile) {
296                  memcpy (file, s, n);          regist_inst_gnupg (1);
297                  file[n] = '\0';                  regist_inst_winpt (1, &created);
298                  set_reg_entry_gpg ("HomeDir", file);      }
299                  free_if_alloc (file);      else {
300                  gnupg_check_homedir (); /* change gpgProgram if needed */          enable_mobile_mode ();
301              }          /* XXX: ask for GPG path */
302          }          created = 1; /* Disable registry writing */
303          else {      }
304              msg_box (NULL, _("GPG home directory could not be determited."),  
305                       _("WinPT Error"), MB_ERR);      if (!created) {
306              goto start;          memset (&reg_prefs, 0, sizeof (reg_prefs));
307          }          reg_prefs.use_tmpfiles = 1; /* default */
308      }          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
309            get_reg_winpt_prefs (&reg_prefs);
310      rc = check_gnupg_prog ();          if (!reg_prefs.no_hotkeys)
311      if (rc) {              hotkeys_modify ();
312          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"          gnupg_load_config ();
313                               "Do you want to start the GPG preferences to "      }
314                               "correct  this problem?"), _("WinPT Error"),  
315                               MB_INFO|MB_YESNO) == IDYES)      rc = gnupg_check_homedir ();
316              start_gpgprefs = 1;      if (rc) {
317          else          log_box (_("WinPT Error"), MB_ERR,
318          {                   _("GPG home directory is not set correctly.\n"
319              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                     "Please check the GPG registry settings:\n%s."),
320              return 0;                   winpt_strerror (rc));
321          }          s = get_fileopen_dlg (GetActiveWindow (),
322      }                                _("Select GPG Public Keyring"),
323                                  _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
324      rc = gnupg_access_files ();                                NULL);
325      if (!start_gpgprefs && rc)          if (s != NULL) {
326      {              size_t n;
327          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)              char * p = strrchr (s, '\\');
328          {              if (!p)
329              ec = msg_box (NULL,                  BUG (0);
330                  _("Could not access and/or find the public and secret keyring.\n"              n = p - s;
331                    "If this is an accident, quit the program and fix it.\n\n"              if (n) {
332                    "Continue if you want that WinPT offers you more choices.\n"),                  char * file = new char[n+1];
333                    "WinPT", MB_INFO|MB_YESNO);                  if (!file)
334              if (ec == IDYES)                      BUG (NULL);
335                  first_start = 1;                  memset (file, 0, n);
336          }                  memcpy (file, s, n);
337          if (!first_start)                  file[n] = '\0';        
338          {                  set_reg_entry_gpg ("HomeDir", file);
339              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                  free_if_alloc (file);
340              return 0;                  gnupg_check_homedir (); /* change gpgProgram if needed */
341          }              }
342      }          }
343            else {
344      if (!first_start)              msg_box (NULL, _("GPG home directory could not be determited."),
345      {                       _("WinPT Error"), MB_ERR);
346          rc = gpg_check_permissions (1);              goto start;
347          if (rc && rc == 2)          }
348              gpg_read_only = 1;      }
349          else if (rc)  
350              return 0;      rc = check_gnupg_prog ();
351      }      if (rc) {
352            if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
353      load_gettext ();                               "Do you want to start the GPG preferences to "
354      init_gnupg_table ();                               "correct  this problem?"), _("WinPT Error"),
355                                 MB_INFO|MB_YESNO) == IDYES)
356      nfiles = fm_parse_command_line (cmdline);              start_gpgprefs = 1;
357      if (nfiles > 0)          else
358          return 0;          {
359                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
360      if (cmdline && stristr (cmdline, "--wipe-freespace")) {              return 0;
361          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,          }
362                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,      }
363                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);  
364          free_gnupg_table ();      rc = gnupg_access_files ();
365          return 0;      if (!start_gpgprefs && rc) {
366      }          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
367                ec = msg_box (NULL,
368      load_keyserver_conf (cmdline? 1 : 0);                  _("Could not access and/or find the public and secret keyring.\n"
369      if (start_keymanager) {                    "If this is an accident, quit the program and fix it.\n\n"
370          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,                    "Continue if you want that WinPT offers you more choices.\n"),
371                              GetDesktopWindow(), keymanager_dlg_proc, NULL,                    "WinPT", MB_INFO|MB_YESNO);
372                              _("Key Manager"), IDS_WINPT_KEYMISC);              if (ec == IDYES)
373          keycache_release ();                  first_start = 1;
374          free_gnupg_table ();          }
375          return 0;          if (!first_start) {
376      }              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
377                return 0;
378      if (cmdline && (stristr (cmdline, "--keymanager")          }
379                  || stristr (cmdline, "--cardmanager"))) {      }
380          update_keycache (GetDesktopWindow ());  
381          if (stristr (cmdline, "keymanager"))      if (!first_start) {
382              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,          rc = gpg_check_permissions (1);
383                              GetDesktopWindow(), keymanager_dlg_proc, NULL,          if (rc && rc == 2)
384                              _("Key Manager"), IDS_WINPT_KEYMISC);                gpg_read_only = 1;
385          else {          else if (rc)
386              gpgme_card_t crd = smartcard_init ();              return 0;
387              if (crd)      }
388                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,  
389                                    GetDesktopWindow(), card_edit_dlg_proc,      load_gettext (winpt_inst_found);
390                                    (LPARAM)crd, _("Card Manager"),      init_gnupg_table ();
391                                    IDS_WINPT_CARD_EDIT);  
392              gpgme_card_release (crd);      nfiles = fm_parse_command_line (cmdline);
393          }      if (nfiles > 0) {
394          keycache_release ();          free_gnupg_table ();
395          free_gnupg_table ();          return 0;
396          return 0;      }
397      }  
398        if (cmdline && stristr (cmdline, "--wipe-freespace")) {
399      CreateMutex (NULL, TRUE, PGM_NAME);          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
400      if (GetLastError () == ERROR_ALREADY_EXISTS) {                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
401          free_gnupg_table ();                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
402          return 0;          free_gnupg_table ();
403      }          return 0;
404        }
405      if (cmdline) {  
406          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {      load_keyserver_conf (cmdline? 1 : 0);
407              gpgme_set_debug_mode (1);  
408              winpt_debug_msg ();      if (cmdline && (stristr (cmdline, "--keymanager")
409              debug = 1;                  || stristr (cmdline, "--cardmanager"))) {
410          }          /* If an instance of WinPT is running, just send the command
411      }             to open the key manager. Otherwise start a new instance.
412             */
413      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));          HWND tray = FindWindow ("WinPT", "WinPT");
414      rc = RegisterClass (&wc);          if (tray != NULL) {
415      if (rc == FALSE) {              PostMessage (tray, WM_COMMAND, ID_WINPT_KEY, 0);
416          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);              free_gnupg_table ();
417          free_gnupg_table ();              return 0;
418          return 0;          }
419      }          update_keycache (GetDesktopWindow ());
420            if (stristr (cmdline, "keymanager"))
421      hwnd = CreateWindow (PGM_NAME,              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,
422                           PGM_NAME,                              GetDesktopWindow(), keymanager_dlg_proc, 0,
423                           0, 0, 0, 0, 0,                              _("Key Manager"), IDS_WINPT_KEYMISC);  
424                           NULL,          else {
425                           NULL,              gpg_card_t crd = gpg_card_load ();
426                           hinst,              if (crd)
427                           NULL);                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,
428      if (hwnd == NULL) {                                    GetDesktopWindow(), card_edit_dlg_proc,
429          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);                                    (LPARAM)crd, _("Card Manager"),
430          free_gnupg_table ();                                    IDS_WINPT_CARD_EDIT);
431          return 0;              gpg_card_release (crd);
432      }          }
433      glob_hwnd = hwnd;          /*
434      UpdateWindow (hwnd);          keycache_release (0);
435            free_gnupg_table ();
436      if (!first_start && !start_gpgprefs) {          return 0;
437          gnupg_backup_options (1);          */
438          gnupg_backup_options (0);      }
439            
440          rc = check_crypto_engine ();      /* If we found another WinPT instance, just quit to avoid it
441          if (rc) {         will be executed twice. */
442              DestroyWindow (hwnd);      if (winpt_inst_found) {
443              free_gnupg_table ();          log_debug ("%s", "WinMain: WinPT is already running.");
444              return 0;          free_gnupg_table ();
445          }          return 0;
446      }      }
447        
448      if (start_gpgprefs) {      if (cmdline) {
449          char *ring;          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {
450          size_t size = 0;              gpg_set_debug_mode (1);
451          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,              winpt_debug_msg ();
452                          gpgprefs_dlg_proc, NULL);              debug = 1;
453          ring = get_gnupg_keyring (0, !NO_STRICT);          }
454          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)      }
455              first_start = 1; /* The keyring is empty! */  
456          free_if_alloc (ring);      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
457      }      rc = RegisterClass (&wc);
458        if (rc == FALSE) {
459      if (first_start) {          msg_box (NULL, _("Could not register window class"),
460          struct first_start_s fs;                   _("WinPT Error"), MB_ERR);
461          struct genkey_s c;          free_gnupg_table ();
462          HWND h;          return 0;
463  start:      }
464          h = GetDesktopWindow ();  
465          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,      hwnd = CreateWindow (PGM_NAME,
466                              gpgprefs_dlg_proc, NULL);                           PGM_NAME,
467          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,                           0, 0, 0, 0, 0,
468                          first_run_dlg_proc, (LPARAM)&fs);                           NULL,
469          switch (fs.choice) {                           NULL,
470          case SETUP_KEYGEN:                           hinst,
471              c.interactive = 1;                           NULL);
472              c.first_start = 1;      if (hwnd == NULL) {
473              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
474                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);          free_gnupg_table ();
475              if (!rc)          return 0;
476                  goto start;      }
477              break;      glob_hwnd = hwnd;
478        UpdateWindow (hwnd);
479          case SETUP_IMPORT:  
480              rc = gnupg_copy_keyrings ();      if (!first_start && !start_gpgprefs) {
481              if (rc) {          gnupg_backup_options ();        
482                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          rc = check_crypto_engine ();
483                  goto start;          if (rc) {
484              }              DestroyWindow (hwnd);
485              break;              free_gnupg_table ();
486                return 0;
487          case -1:          }
488              DestroyWindow (hwnd);      }
489              free_gnupg_table ();      
490              return 0;      if (start_gpgprefs) {
491          }          char *ring;
492          update_keycache (hwnd);  
493          check_crypto_engine ();          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
494      }                          gpgprefs_dlg_proc, 0);
495      else {          ring = get_gnupg_keyring (0, !NO_STRICT);
496          gpgme_keycache_t c;          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
497          update_keycache (hwnd);              first_start = 1; /* The keyring is empty! */
498          c = keycache_get_ctx (1);          free_if_alloc (ring);
499          if (!c || !gpgme_keycache_count (c)) {      }
500              gnupg_display_error ();  
501              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"      if (first_start) {
502                               "Please check your GPG config (keyrings, pathes...)"),          struct first_start_s fs;
503                               _("WinPT Error"), MB_ERR);          struct genkey_s c;
504              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"          HWND h;
505                                    "Do you want to start the GPG preferences dialog?"),  start:
506                              "WinPT", MB_INFO|MB_YESNO);          h = GetDesktopWindow ();
507              if (ec == IDYES) {          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
508                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                              gpgprefs_dlg_proc, 0);
509                                  gpgprefs_dlg_proc, NULL);          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
510                  update_keycache (hwnd);                          first_run_dlg_proc, (LPARAM)&fs);
511              }          switch (fs.choice) {
512              else {          case SETUP_KEYGEN:
513                  DestroyWindow (hwnd);              c.interactive = 1;
514                  free_gnupg_table ();              c.first_start = 1;
515                  return 0;              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
516              }                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);
517          }              if (!rc)
518          if (check_default_key (c)) {                  goto start;
519              char * p = get_gnupg_default_key ();              break;
520              log_box (_("WinPT Error"), MB_ERR,  
521                       _("Default key from the GPG options file could not be found.\n"          case SETUP_IMPORT:
522                         "Please check your gpg.conf (options) to correct this:\n\n"              rc = gnupg_copy_keyrings ();
523                         "%s: public key not found."), p? p : "[null]");              if (rc) {
524              free_if_alloc (p);                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
525              DestroyWindow (hwnd);                  goto start;
526              free_gnupg_table ();              }
527              return 0;              break;
528          }  
529          if (count_insecure_elgkeys ())          case -1:
530              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              DestroyWindow (hwnd);
531                              elgamal_warn_dlg_proc, NULL);              free_gnupg_table ();
532      }              return 0;
533            }
534      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);          update_keycache (hwnd);
535      keyring_check_last_access (); /* init */          check_crypto_engine ();
536      while (GetMessage (&msg, hwnd, 0, 0)) {      }
537          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {      else {
538              TranslateMessage (&msg);          gpg_keycache_t c;
539              DispatchMessage (&msg);          update_keycache (hwnd);
540          }          c = keycache_get_ctx (1);
541      }          if (!c || !gpg_keycache_get_size (c)) {
542                        gnupg_display_error ();
543      return 0;              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
544  } /* WinMain */                               "Please check your GPG config (keyrings, pathes...)"),
545                                 _("WinPT Error"), MB_ERR);
546                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
547                                      "Do you want to start the GPG preferences dialog?"),
548                                "WinPT", MB_INFO|MB_YESNO);
549                if (ec == IDYES) {
550                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
551                                    gpgprefs_dlg_proc, 0);
552                    update_keycache (hwnd);
553                }
554                else {
555                    DestroyWindow (hwnd);
556                    free_gnupg_table ();
557                    return 0;
558                }
559            }
560            if (check_default_key (c)) {
561                char * p = get_gnupg_default_key ();
562                log_box (_("WinPT Error"), MB_ERR,
563                         _("Default key from the GPG options file could not be found.\n"
564                           "Please check your gpg.conf (options) to correct this:\n\n"
565                           "%s: public key not found."), p? p : "[null]");
566                free_if_alloc (p);
567                DestroyWindow (hwnd);
568                free_gnupg_table ();
569                return 0;
570            }
571            if (count_insecure_elgkeys ())
572                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
573                                elgamal_warn_dlg_proc, 0);
574        }
575    
576        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
577        keyring_check_last_access (); /* init */
578        while (GetMessage (&msg, hwnd, 0, 0)) {
579            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
580                TranslateMessage (&msg);
581                DispatchMessage (&msg);
582            }
583        }
584            
585        return 0;
586    }
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