/[winpt]/trunk/Src/WinPT.cpp
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revision 14 by twoaday, Wed May 4 07:59:42 2005 UTC revision 154 by twoaday, Wed Jan 18 12:38:46 2006 UTC
# Line 1  Line 1 
1  /* WinPT.cpp - Windows Privacy Tray (WinPT)  /* WinPT.cpp - Windows Privacy Tray (WinPT)
2   *      Copyright (C) 2000-2005 Timo Schulz   *      Copyright (C) 2000-2006 Timo Schulz
3   *   *
4   * This file is part of WinPT.   * This file is part of WinPT.
5   *   *
6   * WinPT is free software; you can redistribute it and/or modify   * WinPT is free software; you can redistribute it and/or modify
7   * it under the terms of the GNU General Public License as published by   * it under the terms of the GNU General Public License as published by
8   * the Free Software Foundation; either version 2 of the License, or   * the Free Software Foundation; either version 2 of the License, or
9   * (at your option) any later version.   * (at your option) any later version.
10   *   *
11   * WinPT is distributed in the hope that it will be useful,   * WinPT is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   * GNU General Public License for more details.   * GNU General Public License for more details.
15   *   *
16   * You should have received a copy of the GNU General Public License   * You should have received a copy of the GNU General Public License
17   * along with WinPT; if not, write to the Free Software Foundation,   * along with WinPT; if not, write to the Free Software Foundation,
18   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19   */   */
20  #include <windows.h>  #ifdef HAVE_CONFIG_H
21    #include <config.h>
22  #include "../resource.h"  #endif
23  #include "wptTypes.h"  
24  #include "wptW32API.h"  #include <windows.h>
25  #include "wptVersion.h"  #include <shlobj.h>
26  #include "wptErrors.h"  
27  #include "wptGPG.h"  #include "resource.h"
28  #include "wptRegistry.h"  #include "wptTypes.h"
29  #include "wptCommonCtl.h"  #include "wptW32API.h"
30  #include "wptDlgs.h"  #include "wptVersion.h"
31  #include "wptNLS.h"  #include "wptErrors.h"
32  #include "wptKeyserver.h"  #include "wptGPG.h"
33  #include "wptCard.h"  #include "wptRegistry.h"
34  #include "wptFileManager.h"  #include "wptCommonCtl.h"
35  #include "wptContext.h"  #include "wptDlgs.h"
36    #include "wptNLS.h"
37  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptKeyserver.h"
38  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptCard.h"
39  HWND activ_hwnd;  #include "wptFileManager.h"
40  LOCK mo_file;  #include "wptContext.h"
41  int scard_support = 0;  #include "wptCardEdit.h"
42  int debug = 0;  #include "wptCrypto.h"
43  int mobile = 0;  
44  int gpg_read_only = 0;  
45  char gpgver[3];  HINSTANCE glob_hinst;   /* global instance for the dialogs */
46    HWND glob_hwnd;         /* global window handle for the dialogs */
47  /* Internal IPC */  HWND activ_hwnd;
48  int start_keymanager = 0;  int scard_support = 0;
49    int debug = 0;
50  static void  int mobile = 0;
51  update_keycache (HWND hwnd)  int gpg_read_only = 0;
52  {  char gpgver[3];
53      refresh_cache_s rcs = {0};  
54      rcs.kr_reload = 0;  
55      rcs.kr_update = 1;  /* Load the key cache and rebuild the signature cache. */
56      rcs.tr_update = 1;  static void
57      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  update_keycache (HWND hwnd)
58                      keycache_dlg_proc, (LPARAM)&rcs);  {
59  } /* update_keycache */      refresh_cache_s rcs = {0};
60        rcs.kr_reload = 0;
61        rcs.kr_update = 1;
62  static char *      rcs.tr_update = 1;
63  get_gettext_lang (void)      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
64  {                          keycache_dlg_proc, (LPARAM)&rcs);
65      char * fname;  }
66      fname = get_reg_entry_mo ();  
67      if (!fname)  
68          return NULL;  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
69      return fname;  void
70  } /* get_gettext_lang */  gpg_set_debug_mode (int val)
71    {      
72        if (val)
73  static void          putenv ("GPGME_DEBUG=5:gpgme.dbg");
74  load_gettext (void)      else
75  {          putenv ("GPGME_DEBUG=");
76      char * nls = NULL;  }
77      char * file = NULL;  
78    
79      nls = get_gettext_lang ();  /* Return the name of the gettext language file. */
80      if (nls) {  static char*
81          set_gettext_file ("winpt", nls);  get_gettext_lang (void)
82          file = make_filename (nls, "winpt", "mo");  {    
83          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {      char *fname;
84              msg_box (NULL, _("Could not initizalize file lock.\n"      fname = get_reg_entry_mo ();
85                               "Native Language Support"),      if (!fname)
86                       _("WinPT Error"), MB_ERR);          return NULL;
87          }      return fname;
88          free_if_alloc (nls);  }
89          free_if_alloc (file);  
90      }  
91  } /* load_gettext */  /* Initialize the gettext sub system. */
92    static void
93    load_gettext (int prev_inst)
94  /* check if the default key from the gpg.conf file is available in the  {
95     keyring. if not, bail out because encryption won't work properly then. */      char *nls = NULL;
96  static int  
97  check_default_key (gpgme_keycache_t kc)      nls = get_gettext_lang ();
98  {      if (nls != NULL) {
99      gpgme_key_t key;          set_gettext_file ("winpt", nls);
100      gpgme_error_t err = GPGME_No_Error;          free_if_alloc (nls);
101      char * defkey;      }
102    }
103      defkey = get_gnupg_default_key ();  
104      if (defkey)  
105          err = gpgme_keycache_find_key (kc, defkey, 0, &key);  /* Load the GPG environment. On the first start, some
106      free_if_alloc (defkey);     checks are performed to find out in what state GPG is.
107      return err? -1 : 0;     Return value: 0  everything OK.
108  } /* check_default_key */                   >0  fatal error.
109                     -1 public keyring is empty or does not exist. */
110    static int
111  /* Return the WinPT program file name (with full pathname). */  load_gpg_env (void)
112  static const char *  {
113  get_prog_part (const char * fname, int use_cwd)      SECURITY_ATTRIBUTES sec_attr;
114  {      char *p;
115      static char program[1024];      char *pkr;
116      char currdir[256], * cmd = NULL;  
117      int j;      p = get_reg_entry_gpg4win ("gpg.exe");
118                if (!p)
119      memset (currdir, 0, DIM (currdir));          return (1);
120      memset (program, 0, DIM (program));      if (file_exist_check (p)) {
121                    free_if_alloc (p);
122      if (use_cwd) {          return (1);
123          GetCurrentDirectory (DIM (currdir)-1, currdir);      }
124          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      free_if_alloc (p);
125      }      p = multi_gnupg_path (0);
126      else {      if (p && dir_exist_check (p)) {
127          cmd = GetCommandLine ();          memset (&sec_attr, 0, sizeof (sec_attr));
128          if (cmd == NULL)          sec_attr.nLength = sizeof (sec_attr);
129              return NULL;          if (!CreateDirectory (p, &sec_attr)) {
130          strncpy (currdir, cmd, 255);              msg_box (NULL, _("Could not create GPG home directory"),
131          j = strlen (currdir);                       _("WinPT Error"), MB_ERR);
132          while (j--) {              free_if_alloc (p);
133              if (currdir[j] == '\\')              return (2);
134                  break;                    }
135          }      }
136          currdir[j] = 0;      pkr = make_filename (p, "pubring", "gpg");
137          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);      free_if_alloc (p);
138      }      if (!pkr)
139      return program;          return -1;
140  } /* get_prog_part */      if (get_file_size (pkr) == 0) {
141            free_if_alloc (pkr);
142            return -1;
143  static int      }
144  check_crypto_engine (void)      return 0;
145  {  }
146      int ma=1, mi=2, pa=4; /* GPG 1.2.4 */  
147      int rc;  
148    /* check if the default key from the gpg.conf file is available in the
149      rc = check_gnupg_engine (&ma, &mi, &pa);     keyring. if not, bail out because encryption won't work properly then. */
150      if (rc == -1) {  static int
151          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);  check_default_key (gpg_keycache_t kc)
152          return rc;  {
153      }      gpgme_key_t key;
154      else if (rc) {      gpgme_error_t err = GPG_ERR_NO_ERROR;
155          log_box (_("WinPT Error"), MB_ERR,      char *defkey;
156                   _("Sorry, you need a newer GPG version.\n"  
157                     "GPG version %d.%d.%d requred GPG version 1.2.4"),      defkey = get_gnupg_default_key ();
158                     ma, mi, pa);      if (defkey)
159          return rc;          err = gpg_keycache_find_key (kc, defkey, 0, &key);
160      }      else
161      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */          msg_box (NULL, _("No useable secret key found."),
162      if (ma >= 1 && mi >= 4)                   _("WinPT Error"), MB_ERR);
163          scard_support = 1;      free_if_alloc (defkey);
164        return err? -1 : 0;
165      gpgver[0] = ma;  }
166      gpgver[1] = mi;  
167      gpgver[2] = pa;  
168      return rc;  /* Return the WinPT program file name (with full pathname). */
169  } /* check_crypto_engine */  static const char*
170    get_prog_part (const char * fname, int use_cwd)
171    {
172  static int      static char program[512];
173  load_keyserver_conf (int quiet)      char currdir[256];
174  {      char *cmd = NULL;
175      const char * t;      int j;
176      int rc;          
177        memset (currdir, 0, DIM (currdir));
178      if (reg_prefs.kserv_conf)      memset (program, 0, DIM (program));
179          t = reg_prefs.kserv_conf;          
180      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      if (use_cwd) {
181          t = get_prog_part ("keyserver.conf", 0);          GetCurrentDirectory (DIM (currdir)-1, currdir);
182      else          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
183          t = "keyserver.conf";      }
184      rc = kserver_load_conf (t);      else {
185      if (rc && !quiet)          cmd = GetCommandLine ();
186          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);          if (cmd == NULL)
187      return rc;              return NULL;
188  }          strncpy (currdir, cmd, sizeof (currdir)-1);
189            j = strlen (currdir);
190            while (j--) {
191  static void              if (currdir[j] == '\\')
192  enable_mobile_mode (void)                  break;
193  {          }
194      memset (&reg_prefs, 0, sizeof (reg_prefs));          currdir[j] = 0;
195      reg_prefs.always_trust = 0;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
196      reg_prefs.auto_backup = 0;      }
197      reg_prefs.cache_time = 0;      return program;
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;  /* Check that the underlying crypto engine fullfills the minimal
202      reg_prefs.use_tmpfiles = 1;     requirements so all commands work properly. */
203      reg_prefs.word_wrap = 80;  static bool
204      reg_prefs.use_viewer = 0; /* XXX */  check_crypto_engine (void)
205  }  {
206        int ma=0, mi=0, pa=0;
207  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);      int rc;
208    
209  int WINAPI      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
210  #ifndef WINPT_IPC      if (rc == -1) {
211  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)          msg_box (NULL, _("Could not read GnuPG version."),
212  #else                   _("WinPT Error"), MB_ERR);
213  win_main (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)          return false;
214  #endif      }
215  {      else if (rc) {
216      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};          log_box (_("WinPT Error"), MB_ERR,
217      HACCEL accel_tab;                   _("Sorry, you need a newer GPG version.\n"
218      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;                     "GPG version %d.%d.%d required GPG version "NEED_GPG_VERSION),
219      int first_start = 0, start_gpgprefs = 0;                     ma, mi, pa);
220      const char * s;          return false;
221      MSG msg;      }
222      HWND hwnd;      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
223        if (ma > 1 || pa >= 3)    
224      glob_hinst = hinst;          scard_support = 1;
225        
226      gpgme_lib_init ();      gpgver[0] = ma;
227      #ifdef _DEBUG      gpgver[1] = mi;
228      gpgme_set_debug_mode (1);      gpgver[2] = pa;
229      #endif      return true;
230      gpgme_set_pgm_string ("WinPT "PGM_VERSION);  }
231    
232      s = PTD_get_version ();  
233      if (strcmp (s, "0.8.0")) {  /* Try to load the keyserver config file. If @quiet is 1
234          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,     do not show any errors. */
235                   _("Please update your PTD.dll to the newest version, "  static int
236                     "the version (%s) you use is too old."), s);  load_keyserver_conf (int quiet)
237          return 0;  {
238      }      char *buf;
239        const char *t;
240      if (gpg_md_selftest ()) {      int rc;
241          msg_box (NULL, _("Cryptographic selftest failed."),  
242                   _("WinPT Error"), MB_ERR);      /* Create $APPDATA\winpt if needed. */
243          return 0;      buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL);
244      }      if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) {
245            MessageBox (NULL, _("Failed to create WinPT directory"),
246      if (cmdline && stristr (cmdline, "--mobile"))                      _("Keyserver"), MB_ERR);
247          mobile = 1;          free_if_alloc (buf);
248            return -1;
249      set_default_kserver ();      }
250        free_if_alloc (buf);
251      if (!mobile) {  
252          regist_inst_gnupg (1);      /* Check for $APPDATA\winpt\keyserver.conf */
253          regist_inst_winpt (1, &created);      buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL);
254      }  
255      else {      if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))
256          enable_mobile_mode ();          t = get_prog_part ("keyserver.conf", 0);
257          /* XXX: ask for GPG path */      else
258          created = 1; /* Disable registry writing */          t = "keyserver.conf";
259      }      if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) {
260            log_box (_("Keyserver"), MB_INFO,
261      if (!created) {                   _("keyserver.conf will be copied to \"%s\"\r\n"), buf);
262          memset (&reg_prefs, 0, sizeof (reg_prefs));          if (!CopyFile (t, buf, FALSE)) {
263          reg_prefs.use_tmpfiles = 1; /* default */              MessageBox (NULL, _("Failed to copy the keyserver.conf"),
264          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */                          _("Keyserver"), MB_ERR);
265          get_reg_winpt_prefs (&reg_prefs);              free_if_alloc (buf);
266          if (!reg_prefs.no_hotkeys)              return -1;
267              hotkeys_modify ();          }
268      }          t = buf;
269        }
270      rc = gnupg_check_homedir ();      else
271      if (rc) {          t = buf;
272          log_box (_("WinPT Error"), MB_ERR,      
273                   _("GPG home directory is not set correctly.\n"      rc = kserver_load_conf (t);
274                     "Please check the GPG registry settings:\n%s."),      if (rc && !quiet)
275                   winpt_strerror (rc));          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
276          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,      else {
277                                             _("Select GPG Public Keyring"),          free_if_alloc (reg_prefs.kserv_conf);
278                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),          reg_prefs.kserv_conf = m_strdup (t);
279                                             NULL);      }
280          if (s && !file_exist_check (s))      free_if_alloc (buf);
281          {      return rc;
282              size_t n;  }
283              char * p = strrchr (s, '\\');  
284              if (!p)  
285                  BUG (0);  /* Check if both keyrings are empty. This indicates that
286              n = p - s;     WinPT should offer to generate a key pair. */
287              if (n)  static bool
288              {  check_for_empty_keyrings (bool pub_only)
289                  char * file = new char[n+1];  {
290                  if (!file)      char *p;
291                      BUG (NULL);      int n = 0;
292                  memset (file, 0, n);  
293                  memcpy (file, s, n);      p = get_gnupg_keyring (1, 0);
294                  file[n] = '\0';              if (file_exist_check (p) == 0 && get_file_size (p) == 0)
295                  set_reg_entry_gpg ("HomeDir", file);          n++;
296                  free_if_alloc (file);      free_if_alloc (p);
297                  gnupg_check_homedir (); /* change gpgProgram if needed */      if (pub_only)
298              }          return n == 1? true : false;
299          }      p = get_gnupg_keyring (0, 0);
300          else {      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
301              msg_box (NULL, _("GPG home directory could not be determited."),          n++;
302                       _("WinPT Error"), MB_ERR);      free_if_alloc (p);
303              goto start;      return n==2? true : false;
304          }  }
305      }  
306    
307      rc = check_gnupg_prog ();  /* Enable the mobility mode. */
308      if (rc) {  static void
309          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"  enable_mobile_mode (void)
310                               "Do you want to start the GPG preferences to "  {
311                               "correct  this problem?"), _("WinPT Error"),      memset (&reg_prefs, 0, sizeof (reg_prefs));
312                               MB_INFO|MB_YESNO) == IDYES)      reg_prefs.always_trust = 0;
313              start_gpgprefs = 1;      reg_prefs.auto_backup = 0;
314          else      reg_prefs.cache_time = 0;
315          {      reg_prefs.expert = 0;
316              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      reg_prefs.keylist_mode = 1;
317              return 0;      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
318          }      reg_prefs.no_zip_mmedia = 1;
319      }      reg_prefs.use_tmpfiles = 1;
320        reg_prefs.word_wrap = 80;
321      rc = gnupg_access_files ();      reg_prefs.use_viewer = 0; /* XXX */
322      if (!start_gpgprefs && rc)  }
323      {  
324          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)  
325          {  /* Main entry point. */
326              ec = msg_box (NULL,  int WINAPI
327                  _("Could not access and/or find the public and secret keyring.\n"  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
328                    "If this is an accident, quit the program and fix it.\n\n"  {
329                    "Continue if you want that WinPT offers you more choices.\n"),      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
330                    "WinPT", MB_INFO|MB_YESNO);      HACCEL accel_tab;
331              if (ec == IDYES)      MSG msg;
332                  first_start = 1;      HWND hwnd = NULL;
333          }      WORD ver[3], ptdver[4];
334          if (!first_start)      int rc, ec, created = 0;
335          {      int first_start = 0, start_gpgprefs = 0;
336              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      int winpt_inst_found = 0;
337              return 0;      int start_manager = 0;
338          }      const char *s;
339      }  
340        glob_hinst = hinst;
341      if (!first_start)      if (cmdline && stristr (cmdline, "--stop")) {
342      {          hwnd = FindWindow ("WinPT", "WinPT");
343          rc = gpg_check_permissions (1);          if (hwnd != NULL)
344          if (rc && rc == 2)              PostMessage (hwnd, WM_DESTROY, 0, 0);
345              gpg_read_only = 1;          return 0;
346          else if (rc)      }
347              return 0;  
348      }      /*
349        OSVERSIONINFO osinf;
350      load_gettext ();      memset (&osinf, 0, sizeof (osinf));
351      init_gnupg_table ();      if (GetVersionEx (&osinf) &&
352            osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
353      nfiles = fm_parse_command_line (cmdline);          osinf.dwMinorVersion == 0) {
354      if (nfiles > 0)          msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",
355          return 0;                   "WinPT Warning", MB_INFO);
356        }
357      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      */
358          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,  
359                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,      #ifdef _DEBUG
360                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);      gpg_set_debug_mode (1);
361          free_gnupg_table ();      debug = 1;
362          return 0;      #endif
363      }  
364        get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
365      load_keyserver_conf (cmdline? 1 : 0);      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
366      if (start_keymanager) {                                   &ptdver[2], &ptdver[3]);
367          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      /* XXX
368                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
369                              _("Key Manager"), IDS_WINPT_KEYMISC);          log_box (_("WinPT Error"), MB_ERR,
370          keycache_release ();                   _("The PTD.dll file has a different version than WinPT.exe\n"
371          free_gnupg_table ();                     "Please update the PTD.dll to version %d.%d.%d"),
372          return 0;                     ver[0], ver[1], ver[2]);
373      }          return 0;
374        }
375      if (cmdline && (stristr (cmdline, "--keymanager")      */
376                  || stristr (cmdline, "--cardmanager"))) {  
377          update_keycache (GetDesktopWindow ());      if (gpg_md_selftest ()) {
378          if (stristr (cmdline, "keymanager"))          msg_box (NULL, _("Cryptographic selftest failed."),
379              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,                   _("WinPT Error"), MB_ERR);
380                              GetDesktopWindow(), keymanager_dlg_proc, NULL,          return 0;
381                              _("Key Manager"), IDS_WINPT_KEYMISC);        }
382          else {  
383              gpgme_card_t crd = smartcard_init ();      s = gpgme_check_version (NEED_GPGME_VERSION);
384              if (crd)      if (!s || !*s) {
385                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,          msg_box (NULL, _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
386                                    GetDesktopWindow(), card_edit_dlg_proc,                   _("WinPT Error"), MB_ERR);
387                                    (LPARAM)crd, _("Card Manager"),          return 0;
388                                    IDS_WINPT_CARD_EDIT);      }
389              gpgme_card_release (crd);  
390          }      CreateMutex (NULL, TRUE, PGM_NAME);
391          keycache_release ();      if (GetLastError () == ERROR_ALREADY_EXISTS)
392          free_gnupg_table ();          winpt_inst_found = 1;
393          return 0;  
394      }      if (cmdline && stristr (cmdline, "--mobile")) {
395            msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
396      CreateMutex (NULL, TRUE, PGM_NAME);                   "WinPT", MB_INFO);
397      if (GetLastError () == ERROR_ALREADY_EXISTS) {          mobile = 1;
398          free_gnupg_table ();      }
399          return 0;  
400      }      set_default_kserver ();
401        load_gettext (winpt_inst_found);
402      if (cmdline) {  
403          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {      if (!mobile) {
404              gpgme_set_debug_mode (1);          regist_inst_gnupg (1);
405              winpt_debug_msg ();          regist_inst_winpt (1, &created);
406              debug = 1;      }
407          }      else {
408      }          enable_mobile_mode ();
409            /* XXX: ask for GPG path */
410      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));          created = 1; /* Disable registry writing */
411      rc = RegisterClass (&wc);      }
412      if (rc == FALSE) {  
413          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);      if (!created) {
414          free_gnupg_table ();          memset (&reg_prefs, 0, sizeof (reg_prefs));
415          return 0;          reg_prefs.use_tmpfiles = 1; /* default */
416      }          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
417            get_reg_winpt_prefs (&reg_prefs);
418      hwnd = CreateWindow (PGM_NAME,          if (!reg_prefs.no_hotkeys)
419                           PGM_NAME,              hotkeys_modify ();
420                           0, 0, 0, 0, 0,          gnupg_load_config ();
421                           NULL,      }
422                           NULL,  
423                           hinst,      if (is_gpg4win_installed ())
424                           NULL);          load_gpg_env (); /* XXX: check return code. */
425      if (hwnd == NULL) {  
426          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);      rc = gnupg_check_homedir ();
427          free_gnupg_table ();      if (rc) {
428          return 0;          log_box (_("WinPT Error"), MB_ERR,
429      }                   _("GPG home directory is not set correctly.\n"
430      glob_hwnd = hwnd;                     "Please check the GPG registry settings:\n%s."),
431      UpdateWindow (hwnd);                   winpt_strerror (rc));
432            s = get_fileopen_dlg (GetActiveWindow (),
433      if (!first_start && !start_gpgprefs) {                                _("Select GPG Public Keyring"),
434          gnupg_backup_options (1);                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),
435          gnupg_backup_options (0);                                NULL);
436                    if (s != NULL) {
437          rc = check_crypto_engine ();              size_t n;
438          if (rc) {              char *p = strrchr (s, '\\');
439              DestroyWindow (hwnd);              if (!p)
440              free_gnupg_table ();                  BUG (0);
441              return 0;              n = p - s;
442          }              if (n) {
443      }                  char *file = new char[n+1];
444                    if (!file)
445      if (start_gpgprefs)                      BUG (NULL);
446      {                  memset (file, 0, n);
447          char *ring;                  memcpy (file, s, n);
448          size_t size = 0;                  file[n] = '\0';        
449          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                  set_reg_entry_gpg ("HomeDir", file);
450                          gpgprefs_dlg_proc, NULL);                  free_if_alloc (file);
451          ring = get_gnupg_keyring (0, !NO_STRICT);                  gnupg_check_homedir (); /* change gpgProgram if needed */
452          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)              }
453              first_start = 1; /* The keyring is empty! */          }
454          free_if_alloc (ring);          else {
455      }              msg_box (NULL, _("GPG home directory could not be determited."),
456                         _("WinPT Error"), MB_ERR);
457      if (first_start) {              goto start;
458          struct key_wizard_s c, dummy;          }
459  start:      }
460          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, hwnd,  
461                          first_run_dlg_proc, (LPARAM)&dummy);      rc = check_gnupg_prog ();
462          switch (dummy.interactive)      if (rc) {
463          {          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
464          case SETUP_KEYGEN:                               "Do you want to start the GPG preferences to "
465              c.interactive = 1;                               "correct  this problem?"), _("WinPT Error"),
466              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,                               MB_INFO|MB_YESNO) == IDYES)
467                                   hwnd, keygen_wizard_dlg_proc, (LPARAM)&c);              start_gpgprefs = 1;
468              if (!rc)          else {
469                  goto start;              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
470              break;              return 0;
471            }
472          case SETUP_IMPORT:      }
473              rc = gnupg_copy_keyrings ();  
474              if (rc) {      rc = gnupg_access_files ();
475                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      if (!start_gpgprefs && rc) {
476                  goto start;          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
477              }              ec = msg_box (NULL,
478              break;                  _("Could not access and/or find the public and secret keyring.\n"
479                      "If this is an accident, quit the program and fix it.\n\n"
480          case SETUP_EXISTING:                    "Continue if you want that WinPT offers you more choices.\n"),
481              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                    "WinPT", MB_INFO|MB_YESNO);
482                              gpgprefs_dlg_proc, NULL);              if (ec == IDYES)
483              break;                  first_start = 1;
484            }
485          case -1:          if (!first_start) {
486              DestroyWindow (hwnd);              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
487              free_gnupg_table ();              return 0;
488              return 0;          }
489          }      }
490          update_keycache (hwnd);      if (check_for_empty_keyrings (false))
491          check_crypto_engine ();          first_start = 1;
492      }  
493      else {      if (!first_start) {
494          gpgme_keycache_t c;          rc = gpg_check_permissions (1);
495          update_keycache (hwnd);          if (rc && rc == 2)
496          c = keycache_get_ctx (1);              gpg_read_only = 1;
497          if (!c || !gpgme_keycache_count (c)) {          else if (rc)
498              gnupg_display_error ();              return 0;
499              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"      }
500                               "Please check your GPG config (keyrings, pathes...)"),      
501                               _("WinPT Error"), MB_ERR);      init_gnupg_table ();
502              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"  
503                                    "Do you want to start the GPG preferences dialog?"),      if (fm_parse_command_line (cmdline) > 0) {
504                              "WinPT", MB_INFO|MB_YESNO);          free_gnupg_table ();
505              if (ec == IDYES) {          return 0;
506                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      }
507                                  gpgprefs_dlg_proc, NULL);  
508                  update_keycache (hwnd);      if (cmdline && stristr (cmdline, "--wipe-freespace")) {
509              }          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
510              else {                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
511                  DestroyWindow (hwnd);                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
512                  free_gnupg_table ();          free_gnupg_table ();
513                  return 0;          return 0;
514              }      }
515          }  
516          if (check_default_key (c)) {      load_keyserver_conf (cmdline? 1 : 0);
517              char * p = get_gnupg_default_key ();  
518              log_box (_("WinPT Error"), MB_ERR,      if (cmdline && (stristr (cmdline, "--keymanager")
519                       _("Default key from the GPG options file could not be found.\n"                  || stristr (cmdline, "--cardmanager"))) {
520                         "Please check your gpg.conf (options) to correct this:\n\n"          /* If an instance of WinPT is running, just send the command
521                         "%s: public key not found."), p? p : "[null]");             to open the key manager. Otherwise start a new instance.
522              free_if_alloc (p);           */
523              DestroyWindow (hwnd);          HWND tray = FindWindow ("WinPT", "WinPT");
524              free_gnupg_table ();          if (stristr (cmdline, "keymanager"))
525              return 0;              start_manager = ID_WINPT_KEY;
526          }          else
527          if (count_insecure_elgkeys ())              start_manager = ID_WINPT_CARD;
528              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,          if (tray != NULL) {
529                              elgamal_warn_dlg_proc, NULL);              PostMessage (tray, WM_COMMAND, start_manager, 0);
530      }              free_gnupg_table ();
531                return 0;
532      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);          }
533      keyring_check_last_access (); /* init */      }
534      while (GetMessage (&msg, hwnd, 0, 0)) {  
535          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {      /* If we found another WinPT instance, just quit to avoid it
536              TranslateMessage (&msg);         will be executed twice. */
537              DispatchMessage (&msg);      if (winpt_inst_found) {
538          }          log_debug ("%s", "WinMain: WinPT is already running.");
539      }          free_gnupg_table ();
540                    return 0;
541      return 0;      }
542  } /* WinMain */  
543        if (cmdline) {
544            if (stristr (cmdline, "--enable-debug") ||
545                stristr (cmdline, "--debug")) {
546                gpg_set_debug_mode (1);
547                winpt_debug_msg ();
548                debug = 1;
549            }
550        }
551    
552        wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
553        rc = RegisterClass (&wc);
554        if (rc == FALSE) {
555            msg_box (NULL, _("Could not register window class"),
556                     _("WinPT Error"), MB_ERR);
557            free_gnupg_table ();
558            return 0;
559        }
560    
561        hwnd = CreateWindow (PGM_NAME,
562                             PGM_NAME,
563                             0, 0, 0, 0, 0,
564                             NULL,
565                             NULL,
566                             hinst,
567                             NULL);
568        if (hwnd == NULL) {
569            msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
570            free_gnupg_table ();
571            return 0;
572        }
573        glob_hwnd = hwnd;
574        UpdateWindow (hwnd);
575    
576        if (!first_start && !start_gpgprefs) {
577            gnupg_backup_options ();        
578            if (!check_crypto_engine ()) {
579                DestroyWindow (hwnd);
580                free_gnupg_table ();
581                return 0;
582            }
583        }
584        
585        if (start_gpgprefs) {
586            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
587                            gpgprefs_dlg_proc, 0);
588            if (check_for_empty_keyrings (true))
589                first_start = 1; /* The public keyring is empty! */
590        }
591    
592        if (first_start) {
593            struct first_start_s fs;
594            struct genkey_s c;
595            HWND h;
596    start:
597            h = GetDesktopWindow ();
598            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
599                                gpgprefs_dlg_proc, 0);
600            DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
601                            first_run_dlg_proc, (LPARAM)&fs);
602            switch (fs.choice) {
603            case SETUP_KEYGEN:
604                c.interactive = 1;
605                c.first_start = 1;
606                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
607                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
608                if (!rc)
609                    goto start;
610                break;
611    
612            case SETUP_IMPORT:
613                rc = gnupg_copy_keyrings ();
614                if (rc) {
615                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
616                    goto start;
617                }
618                break;
619    
620            case -1: /* Cancel/Abort. */
621                DestroyWindow (hwnd);
622                free_gnupg_table ();
623                return 0;
624            }
625            update_keycache (hwnd);
626            check_crypto_engine ();
627        }
628        else {
629            gpg_keycache_t c;
630            update_keycache (hwnd);
631            c = keycache_get_ctx (1);
632            if (!c || !gpg_keycache_get_size (c)) {
633                gnupg_display_error ();
634                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
635                                 "Please check your GPG config (keyrings, pathes...)"),
636                                 _("WinPT Error"), MB_ERR);
637                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
638                                      "Do you want to start the GPG preferences dialog?"),
639                                "WinPT", MB_INFO|MB_YESNO);
640                if (ec == IDYES) {
641                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
642                                    gpgprefs_dlg_proc, 0);
643                    update_keycache (hwnd);
644                }
645                else {
646                    DestroyWindow (hwnd);
647                    free_gnupg_table ();
648                    return 0;
649                }
650            }
651            if (check_default_key (c)) {
652                char *p = get_gnupg_default_key ();
653                log_box (_("WinPT Error"), MB_ERR,
654                         _("Default key from the GPG options file could not be found.\n"
655                           "Please check your gpg.conf (options) to correct this:\n\n"
656                           "%s: public key not found."), p? p : "[null]");
657                free_if_alloc (p);
658                DestroyWindow (hwnd);
659                free_gnupg_table ();
660                return 0;
661            }
662            if (count_insecure_elgkeys ())
663                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
664                                elgamal_warn_dlg_proc, 0);
665        }
666    
667        if (start_manager)
668            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
669    
670        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
671        keyring_check_last_access (); /* init */
672        while (GetMessage (&msg, hwnd, 0, 0)) {
673            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
674                TranslateMessage (&msg);
675                DispatchMessage (&msg);
676            }
677        }
678            
679        return 0;
680    }
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