/[winpt]/trunk/Src/WinPT.cpp
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revision 24 by twoaday, Sat Oct 8 10:43:08 2005 UTC revision 128 by twoaday, Mon Dec 19 13:05:59 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 "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 "1.2.0"   /* 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    /* check if the default key from the gpg.conf file is available in the
160      rc = check_gnupg_engine (&ma, &mi, &pa);     keyring. if not, bail out because encryption won't work properly then. */
161      if (rc == -1) {  static int
162          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);  check_default_key (gpg_keycache_t kc)
163          return rc;  {
164      }      gpgme_key_t key;
165      else if (rc) {      gpgme_error_t err = GPG_ERR_NO_ERROR;
166          log_box (_("WinPT Error"), MB_ERR,      char *defkey;
167                   _("Sorry, you need a newer GPG version.\n"  
168                     "GPG version %d.%d.%d required GPG version 1.4.0"),      defkey = get_gnupg_default_key ();
169                     ma, mi, pa);      if (defkey)
170          return rc;          err = gpg_keycache_find_key (kc, defkey, 0, &key);
171      }      else
172      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */          msg_box (NULL, _("No useable secret key found."),
173      if (ma >= 1 && mi >= 4)                   _("WinPT Error"), MB_ERR);
174          scard_support = 1;      free_if_alloc (defkey);
175        return err? -1 : 0;
176      gpgver[0] = ma;  }
177      gpgver[1] = mi;  
178      gpgver[2] = pa;  
179      return rc;  /* Return the WinPT program file name (with full pathname). */
180  } /* check_crypto_engine */  static const char*
181    get_prog_part (const char * fname, int use_cwd)
182    {
183  static int      static char program[512];
184  load_keyserver_conf (int quiet)      char currdir[256];
185  {      char *cmd = NULL;
186      const char * t;      int j;
187      int rc;          
188        memset (currdir, 0, DIM (currdir));
189      if (reg_prefs.kserv_conf)      memset (program, 0, DIM (program));
190          t = reg_prefs.kserv_conf;          
191      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      if (use_cwd) {
192          t = get_prog_part ("keyserver.conf", 0);          GetCurrentDirectory (DIM (currdir)-1, currdir);
193      else          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
194          t = "keyserver.conf";      }
195      rc = kserver_load_conf (t);      else {
196      if (rc && !quiet)          cmd = GetCommandLine ();
197          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);          if (cmd == NULL)
198      return rc;              return NULL;
199  }          strncpy (currdir, cmd, sizeof (currdir)-1);
200            j = strlen (currdir);
201            while (j--) {
202  static void              if (currdir[j] == '\\')
203  enable_mobile_mode (void)                  break;
204  {          }
205      memset (&reg_prefs, 0, sizeof (reg_prefs));          currdir[j] = 0;
206      reg_prefs.always_trust = 0;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
207      reg_prefs.auto_backup = 0;      }
208      reg_prefs.cache_time = 0;      return program;
209      reg_prefs.expert = 0;  }
210      reg_prefs.keylist_mode = 1;  
211      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
212      reg_prefs.no_zip_mmedia = 1;  /* Check that the underlying crypto engine fullfills the minimal
213      reg_prefs.use_tmpfiles = 1;     requirements so all commands work properly. */
214      reg_prefs.word_wrap = 80;  static bool
215      reg_prefs.use_viewer = 0; /* XXX */  check_crypto_engine (void)
216  }  {
217        int ma=1, mi=4, pa=2; /* GPG 1.4.2 */
218  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      int rc;
219    
220  int WINAPI      rc = check_gnupg_engine (&ma, &mi, &pa);
221  #ifndef WINPT_IPC      if (rc == -1) {
222  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)          msg_box (NULL, _("Could not read GnuPG version."),
223  #else                   _("WinPT Error"), MB_ERR);
224  win_main (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)          return false;
225  #endif      }
226  {      else if (rc) {
227      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};          log_box (_("WinPT Error"), MB_ERR,
228      HACCEL accel_tab;                   _("Sorry, you need a newer GPG version.\n"
229      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),
230      int first_start = 0, start_gpgprefs = 0;                     ma, mi, pa);
231      const char * s;          return false;
232      MSG msg;      }
233      HWND hwnd = NULL;      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
234        if (ma > 1 || pa >= 3)    
235      glob_hinst = hinst;          scard_support = 1;
236    
237      #ifdef _DEBUG      gpgver[0] = ma;
238      gpg_set_debug_mode (1);      gpgver[1] = mi;
239      debug = 1;      gpgver[2] = pa;
240      #endif      return true;
241    }
242      s = PTD_get_version ();  
243      if (strcmp (s, "0.8.0")) {  
244          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,  /* Try to load the keyserver config file. If @quiet is 1
245                   _("Please update your PTD.dll to the newest version, "     do not show any errors. */
246                     "the version (%s) you use is too old."), s);  static int
247          return 0;  load_keyserver_conf (int quiet)
248      }  {
249        const char *t;
250      if (gpg_md_selftest ()) {      int rc;
251          msg_box (NULL, _("Cryptographic selftest failed."),  
252                   _("WinPT Error"), MB_ERR);      if (reg_prefs.kserv_conf)
253          return 0;          t = reg_prefs.kserv_conf;
254      }      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
255            t = get_prog_part ("keyserver.conf", 0);
256      s = gpgme_check_version ("1.1.0");      else
257      if (!s || !*s) {          t = "keyserver.conf";
258          msg_box (NULL, _("A newer GPGME version is needed."), "WinPT Error", MB_ERR);      rc = kserver_load_conf (t);
259          return 0;      if (rc && !quiet)
260      }          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
261        return rc;
262      if (cmdline && stristr (cmdline, "--mobile")) {  }
263          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",  
264                   "WinPT", MB_INFO);  
265          mobile = 1;  /* Enable the mobility mode. */
266      }  static void
267    enable_mobile_mode (void)
268      set_default_kserver ();  {
269        memset (&reg_prefs, 0, sizeof (reg_prefs));
270      if (!mobile) {      reg_prefs.always_trust = 0;
271          regist_inst_gnupg (1);      reg_prefs.auto_backup = 0;
272          regist_inst_winpt (1, &created);      reg_prefs.cache_time = 0;
273      }      reg_prefs.expert = 0;
274      else {      reg_prefs.keylist_mode = 1;
275          enable_mobile_mode ();      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
276          /* XXX: ask for GPG path */      reg_prefs.no_zip_mmedia = 1;
277          created = 1; /* Disable registry writing */      reg_prefs.use_tmpfiles = 1;
278      }      reg_prefs.word_wrap = 80;
279        reg_prefs.use_viewer = 0; /* XXX */
280      if (!created) {  }
281          memset (&reg_prefs, 0, sizeof (reg_prefs));  
282          reg_prefs.use_tmpfiles = 1; /* default */  
283          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */  /* Main entry point. */
284          get_reg_winpt_prefs (&reg_prefs);  int WINAPI
285          if (!reg_prefs.no_hotkeys)  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
286              hotkeys_modify ();  {
287      }      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
288        HACCEL accel_tab;
289      rc = gnupg_check_homedir ();      MSG msg;
290      if (rc) {      HWND hwnd = NULL;
291          log_box (_("WinPT Error"), MB_ERR,      WORD ver[3], ptdver[4];
292                   _("GPG home directory is not set correctly.\n"      int rc, ec, created = 0;
293                     "Please check the GPG registry settings:\n%s."),      int first_start = 0, start_gpgprefs = 0;
294                   winpt_strerror (rc));      int winpt_inst_found = 0;
295          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,      int start_manager = 0;
296                                             _("Select GPG Public Keyring"),      const char *s;
297                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),  
298                                             NULL);      glob_hinst = hinst;
299          if (s != NULL) {      if (cmdline && stristr (cmdline, "--stop")) {
300              size_t n;          hwnd = FindWindow ("WinPT", "WinPT");
301              char * p = strrchr (s, '\\');          if (hwnd != NULL)
302              if (!p)              PostMessage (hwnd, WM_DESTROY, 0, 0);
303                  BUG (0);          return 0;
304              n = p - s;      }
305              if (n)  
306              {      /*
307                  char * file = new char[n+1];      OSVERSIONINFO osinf;
308                  if (!file)      memset (&osinf, 0, sizeof (osinf));
309                      BUG (NULL);      if (GetVersionEx (&osinf) &&
310                  memset (file, 0, n);          osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
311                  memcpy (file, s, n);          osinf.dwMinorVersion == 0) {
312                  file[n] = '\0';                  msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
313                  set_reg_entry_gpg ("HomeDir", file);                   "WinPT Warning", MB_INFO);
314                  free_if_alloc (file);      }
315                  gnupg_check_homedir (); /* change gpgProgram if needed */      */
316              }  
317          }      #ifdef _DEBUG
318          else {      gpg_set_debug_mode (1);
319              msg_box (NULL, _("GPG home directory could not be determited."),      debug = 1;
320                       _("WinPT Error"), MB_ERR);      #endif
321              goto start;  
322          }      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
323      }      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
324                                     &ptdver[2], &ptdver[3]);
325      rc = check_gnupg_prog ();      /* XXX
326      if (rc) {      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
327          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"          log_box (_("WinPT Error"), MB_ERR,
328                               "Do you want to start the GPG preferences to "                   _("The PTD.dll file has a different version than WinPT.exe\n"
329                               "correct  this problem?"), _("WinPT Error"),                     "Please update the PTD.dll to version %d.%d.%d"),
330                               MB_INFO|MB_YESNO) == IDYES)                     ver[0], ver[1], ver[2]);
331              start_gpgprefs = 1;          return 0;
332          else      }
333          {      */
334              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);  
335              return 0;      if (gpg_md_selftest ()) {
336          }          msg_box (NULL, _("Cryptographic selftest failed."),
337      }                   _("WinPT Error"), MB_ERR);
338            return 0;
339      rc = gnupg_access_files ();      }
340      if (!start_gpgprefs && rc)  
341      {      s = gpgme_check_version (MIN_GPGME_VER);
342          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)      if (!s || !*s) {
343          {          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),
344              ec = msg_box (NULL,                   _("WinPT Error"), MB_ERR);
345                  _("Could not access and/or find the public and secret keyring.\n"          return 0;
346                    "If this is an accident, quit the program and fix it.\n\n"      }
347                    "Continue if you want that WinPT offers you more choices.\n"),  
348                    "WinPT", MB_INFO|MB_YESNO);      CreateMutex (NULL, TRUE, PGM_NAME);
349              if (ec == IDYES)      if (GetLastError () == ERROR_ALREADY_EXISTS)
350                  first_start = 1;          winpt_inst_found = 1;
351          }  
352          if (!first_start)      if (cmdline && stristr (cmdline, "--mobile")) {
353          {          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
354              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                   "WinPT", MB_INFO);
355              return 0;          mobile = 1;
356          }      }
357      }  
358        set_default_kserver ();
359      if (!first_start)      load_gettext (winpt_inst_found);
360      {  
361          rc = gpg_check_permissions (1);      if (!mobile) {
362          if (rc && rc == 2)          regist_inst_gnupg (1);
363              gpg_read_only = 1;          regist_inst_winpt (1, &created);
364          else if (rc)      }
365              return 0;      else {
366      }          enable_mobile_mode ();
367            /* XXX: ask for GPG path */
368      load_gettext ();          created = 1; /* Disable registry writing */
369      init_gnupg_table ();      }
370    
371      nfiles = fm_parse_command_line (cmdline);      if (!created) {
372      if (nfiles > 0)          memset (&reg_prefs, 0, sizeof (reg_prefs));
373          return 0;          reg_prefs.use_tmpfiles = 1; /* default */
374            reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
375      if (cmdline && stristr (cmdline, "--wipe-freespace")) {          get_reg_winpt_prefs (&reg_prefs);
376          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,          if (!reg_prefs.no_hotkeys)
377                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,              hotkeys_modify ();
378                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);          gnupg_load_config ();
379          free_gnupg_table ();      }
380          return 0;  
381      }      if (is_gpg4win_installed ())
382            load_gpg_env (); /* XXX: check return code. */
383      load_keyserver_conf (cmdline? 1 : 0);  
384      if (start_keymanager) {      rc = gnupg_check_homedir ();
385          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      if (rc) {
386                              GetDesktopWindow(), keymanager_dlg_proc, NULL,          log_box (_("WinPT Error"), MB_ERR,
387                              _("Key Manager"), IDS_WINPT_KEYMISC);                   _("GPG home directory is not set correctly.\n"
388          keycache_release ();                     "Please check the GPG registry settings:\n%s."),
389          free_gnupg_table ();                   winpt_strerror (rc));
390          return 0;          s = get_fileopen_dlg (GetActiveWindow (),
391      }                                _("Select GPG Public Keyring"),
392                                  _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
393      if (cmdline && (stristr (cmdline, "--keymanager")                                NULL);
394                  || stristr (cmdline, "--cardmanager"))) {          if (s != NULL) {
395          update_keycache (GetDesktopWindow ());              size_t n;
396          if (stristr (cmdline, "keymanager"))              char *p = strrchr (s, '\\');
397              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,              if (!p)
398                              GetDesktopWindow(), keymanager_dlg_proc, NULL,                  BUG (0);
399                              _("Key Manager"), IDS_WINPT_KEYMISC);                n = p - s;
400          else {              if (n) {
401              gpg_card_t crd = smartcard_init ();                  char *file = new char[n+1];
402              if (crd)                  if (!file)
403                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,                      BUG (NULL);
404                                    GetDesktopWindow(), card_edit_dlg_proc,                  memset (file, 0, n);
405                                    (LPARAM)crd, _("Card Manager"),                  memcpy (file, s, n);
406                                    IDS_WINPT_CARD_EDIT);                  file[n] = '\0';        
407              gpg_card_release (crd);                  set_reg_entry_gpg ("HomeDir", file);
408          }                  free_if_alloc (file);
409          keycache_release ();                  gnupg_check_homedir (); /* change gpgProgram if needed */
410          free_gnupg_table ();              }
411          return 0;          }
412      }          else {
413                msg_box (NULL, _("GPG home directory could not be determited."),
414      CreateMutex (NULL, TRUE, PGM_NAME);                       _("WinPT Error"), MB_ERR);
415      if (GetLastError () == ERROR_ALREADY_EXISTS) {              goto start;
416          free_gnupg_table ();          }
417          return 0;      }
418      }  
419        rc = check_gnupg_prog ();
420      if (cmdline) {      if (rc) {
421          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
422              gpg_set_debug_mode (1);                               "Do you want to start the GPG preferences to "
423              winpt_debug_msg ();                               "correct  this problem?"), _("WinPT Error"),
424              debug = 1;                               MB_INFO|MB_YESNO) == IDYES)
425          }              start_gpgprefs = 1;
426      }          else {
427                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
428      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));              return 0;
429      rc = RegisterClass (&wc);          }
430      if (rc == FALSE) {      }
431          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);  
432          free_gnupg_table ();      rc = gnupg_access_files ();
433          return 0;      if (!start_gpgprefs && rc) {
434      }          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
435                ec = msg_box (NULL,
436      hwnd = CreateWindow (PGM_NAME,                  _("Could not access and/or find the public and secret keyring.\n"
437                           PGM_NAME,                    "If this is an accident, quit the program and fix it.\n\n"
438                           0, 0, 0, 0, 0,                    "Continue if you want that WinPT offers you more choices.\n"),
439                           NULL,                    "WinPT", MB_INFO|MB_YESNO);
440                           NULL,              if (ec == IDYES)
441                           hinst,                  first_start = 1;
442                           NULL);          }
443      if (hwnd == NULL) {          if (!first_start) {
444          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
445          free_gnupg_table ();              return 0;
446          return 0;          }
447      }      }
448      glob_hwnd = hwnd;  
449      UpdateWindow (hwnd);      if (!first_start) {
450            rc = gpg_check_permissions (1);
451      if (!first_start && !start_gpgprefs) {          if (rc && rc == 2)
452          gnupg_backup_options ();                      gpg_read_only = 1;
453          rc = check_crypto_engine ();          else if (rc)
454          if (rc) {              return 0;
455              DestroyWindow (hwnd);      }
456              free_gnupg_table ();      
457              return 0;      init_gnupg_table ();
458          }  
459      }      if (fm_parse_command_line (cmdline) > 0) {
460                free_gnupg_table ();
461      if (start_gpgprefs) {          return 0;
462          char *ring;      }
463          size_t size = 0;  
464          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
465                          gpgprefs_dlg_proc, NULL);          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
466          ring = get_gnupg_keyring (0, !NO_STRICT);                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
467          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
468              first_start = 1; /* The keyring is empty! */          free_gnupg_table ();
469          free_if_alloc (ring);          return 0;
470      }      }
471    
472      if (first_start) {      load_keyserver_conf (cmdline? 1 : 0);
473          struct first_start_s fs;  
474          struct genkey_s c;      if (cmdline && (stristr (cmdline, "--keymanager")
475          HWND h;                  || stristr (cmdline, "--cardmanager"))) {
476  start:          /* If an instance of WinPT is running, just send the command
477          h = GetDesktopWindow ();             to open the key manager. Otherwise start a new instance.
478          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,           */
479                              gpgprefs_dlg_proc, NULL);          HWND tray = FindWindow ("WinPT", "WinPT");
480          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,          if (stristr (cmdline, "keymanager"))
481                          first_run_dlg_proc, (LPARAM)&fs);              start_manager = ID_WINPT_KEY;
482          switch (fs.choice) {          else
483          case SETUP_KEYGEN:              start_manager = ID_WINPT_CARD;
484              c.interactive = 1;          if (tray != NULL) {
485              c.first_start = 1;              PostMessage (tray, WM_COMMAND, start_manager, 0);
486              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,              free_gnupg_table ();
487                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);              return 0;
488              if (!rc)          }
489                  goto start;      }
490              break;  
491        /* If we found another WinPT instance, just quit to avoid it
492          case SETUP_IMPORT:         will be executed twice. */
493              rc = gnupg_copy_keyrings ();      if (winpt_inst_found) {
494              if (rc) {          log_debug ("%s", "WinMain: WinPT is already running.");
495                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          free_gnupg_table ();
496                  goto start;          return 0;
497              }      }
498              break;  
499        if (cmdline) {
500          case -1:          if (stristr (cmdline, "--enable-debug") ||
501              DestroyWindow (hwnd);              stristr (cmdline, "--debug")) {
502              free_gnupg_table ();              gpg_set_debug_mode (1);
503              return 0;              winpt_debug_msg ();
504          }              debug = 1;
505          update_keycache (hwnd);          }
506          check_crypto_engine ();      }
507      }  
508      else {      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
509          gpgme_keycache_t c;      rc = RegisterClass (&wc);
510          update_keycache (hwnd);      if (rc == FALSE) {
511          c = keycache_get_ctx (1);          msg_box (NULL, _("Could not register window class"),
512          if (!c || !gpgme_keycache_count (c)) {                   _("WinPT Error"), MB_ERR);
513              gnupg_display_error ();          free_gnupg_table ();
514              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"          return 0;
515                               "Please check your GPG config (keyrings, pathes...)"),      }
516                               _("WinPT Error"), MB_ERR);  
517              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"      hwnd = CreateWindow (PGM_NAME,
518                                    "Do you want to start the GPG preferences dialog?"),                           PGM_NAME,
519                              "WinPT", MB_INFO|MB_YESNO);                           0, 0, 0, 0, 0,
520              if (ec == IDYES) {                           NULL,
521                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                           NULL,
522                                  gpgprefs_dlg_proc, NULL);                           hinst,
523                  update_keycache (hwnd);                           NULL);
524              }      if (hwnd == NULL) {
525              else {          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
526                  DestroyWindow (hwnd);          free_gnupg_table ();
527                  free_gnupg_table ();          return 0;
528                  return 0;      }
529              }      glob_hwnd = hwnd;
530          }      UpdateWindow (hwnd);
531          if (check_default_key (c)) {  
532              char * p = get_gnupg_default_key ();      if (!first_start && !start_gpgprefs) {
533              log_box (_("WinPT Error"), MB_ERR,          gnupg_backup_options ();        
534                       _("Default key from the GPG options file could not be found.\n"          if (!check_crypto_engine ()) {
535                         "Please check your gpg.conf (options) to correct this:\n\n"              DestroyWindow (hwnd);
536                         "%s: public key not found."), p? p : "[null]");              free_gnupg_table ();
537              free_if_alloc (p);              return 0;
538              DestroyWindow (hwnd);          }
539              free_gnupg_table ();      }
540              return 0;      
541          }      if (start_gpgprefs) {
542          if (count_insecure_elgkeys ())          char *ring;
543              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
544                              elgamal_warn_dlg_proc, NULL);                          gpgprefs_dlg_proc, 0);
545      }          ring = get_gnupg_keyring (0, !NO_STRICT);
546            if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)
547      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);              first_start = 1; /* The keyring is empty! */
548      keyring_check_last_access (); /* init */          free_if_alloc (ring);
549      while (GetMessage (&msg, hwnd, 0, 0)) {      }
550          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {  
551              TranslateMessage (&msg);      if (first_start) {
552              DispatchMessage (&msg);          struct first_start_s fs;
553          }          struct genkey_s c;
554      }          HWND h;
555            start:
556      return 0;          h = GetDesktopWindow ();
557  } /* WinMain */          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
558                                gpgprefs_dlg_proc, 0);
559            DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
560                            first_run_dlg_proc, (LPARAM)&fs);
561            switch (fs.choice) {
562            case SETUP_KEYGEN:
563                c.interactive = 1;
564                c.first_start = 1;
565                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
566                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
567                if (!rc)
568                    goto start;
569                break;
570    
571            case SETUP_IMPORT:
572                rc = gnupg_copy_keyrings ();
573                if (rc) {
574                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
575                    goto start;
576                }
577                break;
578    
579            case -1:
580                DestroyWindow (hwnd);
581                free_gnupg_table ();
582                return 0;
583            }
584            update_keycache (hwnd);
585            check_crypto_engine ();
586        }
587        else {
588            gpg_keycache_t c;
589            update_keycache (hwnd);
590            c = keycache_get_ctx (1);
591            if (!c || !gpg_keycache_get_size (c)) {
592                gnupg_display_error ();
593                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
594                                 "Please check your GPG config (keyrings, pathes...)"),
595                                 _("WinPT Error"), MB_ERR);
596                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
597                                      "Do you want to start the GPG preferences dialog?"),
598                                "WinPT", MB_INFO|MB_YESNO);
599                if (ec == IDYES) {
600                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
601                                    gpgprefs_dlg_proc, 0);
602                    update_keycache (hwnd);
603                }
604                else {
605                    DestroyWindow (hwnd);
606                    free_gnupg_table ();
607                    return 0;
608                }
609            }
610            if (check_default_key (c)) {
611                char *p = get_gnupg_default_key ();
612                log_box (_("WinPT Error"), MB_ERR,
613                         _("Default key from the GPG options file could not be found.\n"
614                           "Please check your gpg.conf (options) to correct this:\n\n"
615                           "%s: public key not found."), p? p : "[null]");
616                free_if_alloc (p);
617                DestroyWindow (hwnd);
618                free_gnupg_table ();
619                return 0;
620            }
621            if (count_insecure_elgkeys ())
622                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
623                                elgamal_warn_dlg_proc, 0);
624        }
625    
626        if (start_manager)
627            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
628    
629        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
630        keyring_check_last_access (); /* init */
631        while (GetMessage (&msg, hwnd, 0, 0)) {
632            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
633                TranslateMessage (&msg);
634                DispatchMessage (&msg);
635            }
636        }
637            
638        return 0;
639    }
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