/[winpt]/trunk/Src/WinPT.cpp
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revision 128 by twoaday, Mon Dec 19 13:05:59 2005 UTC revision 333 by twoaday, Tue Oct 13 10:51:21 2009 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) 2000-2009 Timo Schulz
3   *   *
4   * This file is part of WinPT.   * This file is part of WinPT.
5   *   *
# Line 12  Line 12 
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.
  *  
  * You should have received a copy of the GNU General Public License  
  * along with WinPT; if not, write to the Free Software Foundation,  
  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA  
15   */   */
16  #ifdef HAVE_CONFIG_H  #ifdef HAVE_CONFIG_H
17  #include <config.h>  #include <config.h>
18  #endif  #endif
19    
20  #include <windows.h>  #include <windows.h>
21    #include <shlobj.h>
22    
23  #include "resource.h"  #include "resource.h"
24  #include "wptTypes.h"  #include "wptTypes.h"
# Line 39  Line 36 
36  #include "wptContext.h"  #include "wptContext.h"
37  #include "wptCardEdit.h"  #include "wptCardEdit.h"
38  #include "wptCrypto.h"  #include "wptCrypto.h"
39    #include "wptUTF8.h"
40    
41  #define MIN_GPG_VER   "1.4.2"   /* Minimal GPG version. */  void remove_crit_file_attrs (const char *fname, int force);
 #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */  
   
42    
43    /* Global variables. */
44  HINSTANCE glob_hinst;   /* global instance for the dialogs */  HINSTANCE glob_hinst;   /* global instance for the dialogs */
45  HWND glob_hwnd;         /* global window handle for the dialogs */  HWND glob_hwnd;         /* global window handle for the dialogs */
 HWND activ_hwnd;  
 LOCK mo_file;  
46  int scard_support = 0;  int scard_support = 0;
47  int debug = 0;  int debug = 0;
 int mobile = 0;  
48  int gpg_read_only = 0;  int gpg_read_only = 0;
49    int emulate_utf8_bug = 0;
50  char gpgver[3];  char gpgver[3];
51    /* End */
52    
53    
54  /* Load the key cache and rebuild the signature cache. */  /* Load the key cache and rebuild the signature cache. */
55  static void  int
56  update_keycache (HWND hwnd)  update_keycache (HWND hwnd)
57  {  {
58      refresh_cache_s rcs = {0};      int err;
59      rcs.kr_reload = 0;      refresh_cache_s rcs;
60      rcs.kr_update = 1;  
61      rcs.tr_update = 1;      /* no need to rebuild the sig cache each time. */
62      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,      memset (&rcs, 0, sizeof (rcs));
63        rcs.kring_update = 1;
64        err = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
65                      keycache_dlg_proc, (LPARAM)&rcs);                      keycache_dlg_proc, (LPARAM)&rcs);
66        if (err) {
67            char *cfgf = get_gnupg_config ();
68            if (cfgf && check_gnupg_options (cfgf, 0) == WPTERR_FILE_EXIST)
69                msg_box (GetDesktopWindow (),
70                         _("The gpg.conf contains at least one argument which points to a non-existing file."), "WinPT", MB_ERR);
71            free_if_alloc (cfgf);
72            return -1;
73        }
74        return 0;
75  }  }
76    
77    
78  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
79  void  void
80  gpg_set_debug_mode (int val)  gpg_set_debug_mode (int val)
81  {        {
82      if (val)      static char buf[MAX_PATH+1];
83          putenv ("GPGME_DEBUG=5:gpgme.dbg");      char tmp[128];
84        
85        /* XXX: no gpgme.dbg is created. */
86        if (val > 0) {
87            GetTempPath (DIM (tmp)-1, tmp);
88            _snprintf (buf, DIM (buf)-1, "GPGME_DEBUG=5:%sgpgme.dbg", tmp);
89            putenv (buf);
90        }
91      else      else
92          putenv ("GPGME_DEBUG=");          putenv ("GPGME_DEBUG=");
93  }  }
94    
95    
96  /* Return the name of the gettext language file. */  /* Return true if the GPG environment is useable. */
97  static char*  static bool
98  get_gettext_lang (void)  gpg_prefs_ok (void)
99  {      {
100      char *fname;      char *p = get_reg_entry_gpg4win ("gpg.exe");
101      fname = get_reg_entry_mo ();      if (!p || file_exist_check (p) != 0) {
102      if (!fname)          free_if_alloc (p);
103          return NULL;          p = get_reg_entry_gpg ("gpgProgram");
104      return fname;          if (!p || file_exist_check (p) != 0) {
105                free_if_alloc (p);
106                log_debug ("gpg_prefs_ok: could not locate gpg.exe");
107                return false;
108            }
109        }
110        free_if_alloc (p);
111        p = get_reg_entry_gpg4win (NULL);
112        if (!p || dir_exist_check (p) != 0) {
113            free_if_alloc (p);
114            p = get_reg_entry_gpg ("HomeDir");
115            if (!p || dir_exist_check (p) != 0) {
116                free_if_alloc (p);
117                log_debug ("gpg_prefs_ok: could not determine home directory");
118                return false;
119            }
120        }
121        free_if_alloc (p);
122        return true;
123  }  }
124    
125    
126  /* Initialize the gettext sub system. */  /* Check gpg files if they are read-only and ask the user
127       if this should be corrected. */
128  static void  static void
129  load_gettext (int prev_inst)  check_readonly_attr (const char *homedir)
130  {  {
131      char *nls = NULL;      const char *files[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg", NULL};
     char *file = NULL;  
132    
133      nls = get_gettext_lang ();      for (int i=0; files[i] != NULL; i++) {
134      if (nls) {          char *file = make_filename (homedir, files[i], NULL);
135          set_gettext_file ("winpt", nls);          remove_crit_file_attrs (file, 0);
         file = make_filename (nls, "winpt", "mo");  
         if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {  
             if (!prev_inst)  
                 msg_box (NULL, _("Could not initizalize file lock.\n"  
                                  "Native Language Support"),  
                          _("WinPT Error"), MB_ERR);  
         }  
         free_if_alloc (nls);  
136          free_if_alloc (file);          free_if_alloc (file);
137      }      }
138  }  }
# Line 125  load_gpg_env (void) Line 149  load_gpg_env (void)
149      SECURITY_ATTRIBUTES sec_attr;      SECURITY_ATTRIBUTES sec_attr;
150      char *p;      char *p;
151      char *pkr;      char *pkr;
152        int err = 0;
153    
154      p = get_reg_entry_gpg4win ("gpg.exe");      p = get_reg_entry_gpg4win ("gpg.exe");
155      if (!p)      if (!p)
# Line 134  load_gpg_env (void) Line 159  load_gpg_env (void)
159          return (1);          return (1);
160      }      }
161      free_if_alloc (p);      free_if_alloc (p);
162      p = multi_gnupg_path (0);  
163        p = get_reg_entry_gpg ("HomeDir");
164        if (!p || dir_exist_check (p) != 0) {
165            free_if_alloc (p);
166            p = multi_gnupg_path (0);
167        }
168      if (p && dir_exist_check (p)) {      if (p && dir_exist_check (p)) {
169          memset (&sec_attr, 0, sizeof (sec_attr));          memset (&sec_attr, 0, sizeof (sec_attr));
170          sec_attr.nLength = sizeof (sec_attr);          sec_attr.nLength = sizeof (sec_attr);
171          if (!CreateDirectory (p, &sec_attr)) {          if (!CreateDirectory (p, &sec_attr)) {
172              msg_box (NULL, _("Could not create GPG home directory"),              msg_box (GetDesktopWindow (),
173                         _("Could not create GPG home directory"),
174                       _("WinPT Error"), MB_ERR);                       _("WinPT Error"), MB_ERR);
175              free_if_alloc (p);              free_if_alloc (p);
176              return (2);              return (2);
177          }          }
178      }      }
179        check_readonly_attr (p);
180      pkr = make_filename (p, "pubring", "gpg");      pkr = make_filename (p, "pubring", "gpg");
181      free_if_alloc (p);      free_if_alloc (p);
182      if (!pkr)      if (get_file_size (pkr) == 0)
183          return -1;          err = -1;
184      if (get_file_size (pkr) == 0) {      free_if_alloc (pkr);
185          free_if_alloc (pkr);      return err;
         return -1;  
     }  
     return 0;  
186  }  }
187    
188    
189  /* check if the default key from the gpg.conf file is available in the  /* check if the default key from the gpg.conf file is available in the
190     keyring. if not, bail out because encryption won't work properly then. */     keyring. if not, bail out because encryption won't work properly then. */
191  static int  static int
192  check_default_key (gpg_keycache_t kc)  check_default_key (void)
193  {  {
194      gpgme_key_t key;      gpgme_key_t key;
195      gpgme_error_t err = GPG_ERR_NO_ERROR;      gpgme_error_t err = gpg_error (GPG_ERR_NO_ERROR);
196        gpg_keycache_t kc;
197      char *defkey;      char *defkey;
198    
199        kc = keycache_get_ctx (0);
200      defkey = get_gnupg_default_key ();      defkey = get_gnupg_default_key ();
201      if (defkey)      if (defkey != NULL) {
202          err = gpg_keycache_find_key (kc, defkey, 0, &key);          err = gpg_keycache_find_key (kc, defkey, 0, &key);
203      else          if (err) {
204          msg_box (NULL, _("No useable secret key found."),              free_if_alloc (defkey);
205                   _("WinPT Error"), MB_ERR);              return -1;
     free_if_alloc (defkey);  
     return err? -1 : 0;  
 }  
   
   
 /* Return the WinPT program file name (with full pathname). */  
 static const char*  
 get_prog_part (const char * fname, int use_cwd)  
 {  
     static char program[512];  
     char currdir[256];  
     char *cmd = NULL;  
     int j;  
           
     memset (currdir, 0, DIM (currdir));  
     memset (program, 0, DIM (program));  
           
     if (use_cwd) {  
         GetCurrentDirectory (DIM (currdir)-1, currdir);  
         _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);  
     }  
     else {  
         cmd = GetCommandLine ();  
         if (cmd == NULL)  
             return NULL;  
         strncpy (currdir, cmd, sizeof (currdir)-1);  
         j = strlen (currdir);  
         while (j--) {  
             if (currdir[j] == '\\')  
                 break;  
206          }          }
         currdir[j] = 0;  
         _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  
207      }      }
208      return program;      else {
209            /* Actually this is just a warning but we still continue. */
210            msg_box (GetDesktopWindow (), _("No useable secret key found."),
211                     _("WinPT Warning"), MB_WARN);
212            return 0;
213        }
214    
215        /* Because the secret key listing has no information
216           about the validity/status, we need to check the public key. */
217        kc = keycache_get_ctx (1);
218        if (!gpg_keycache_find_key (kc, defkey, 0, &key) &&
219            (key->revoked || key->expired)) {
220            msg_box (GetDesktopWindow (), _("Default secret key is unuseable"),
221                     _("WinPT Warning"), MB_ERR);
222            free_if_alloc (defkey);
223            return -1;
224        }
225        free_if_alloc (defkey);
226        return 0;
227  }  }
228    
229    
# Line 214  get_prog_part (const char * fname, int u Line 232  get_prog_part (const char * fname, int u
232  static bool  static bool
233  check_crypto_engine (void)  check_crypto_engine (void)
234  {  {
235      int ma=1, mi=4, pa=2; /* GPG 1.4.2 */      int ma = 0, mi = 0, pa = 0;
236      int rc;      int rc;
237    
238      rc = check_gnupg_engine (&ma, &mi, &pa);      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
239      if (rc == -1) {      if (rc == -1) {
240          msg_box (NULL, _("Could not read GnuPG version."),          msg_box (GetDesktopWindow (), _("Could not read GnuPG version."),
241                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
242          return false;          return false;
243      }      }
244      else if (rc) {      else if (rc) {
245          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
246                   _("Sorry, you need a newer GPG version.\n"                   _("A newer GPG version is needed.\n"
247                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),                     "Current GPG version %d.%d.%d, required "NEED_GPG_VERSION),
248                     ma, mi, pa);                     ma, mi, pa);
249          return false;          return false;
250      }      }
251      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */      
252      if (ma > 1 || pa >= 3)          // TODO: smart card support needs to be revamped
253        // and adjusted according to newer OpenPGP cards.
254        /*
255        if ((ma > 1 || pa >= 4) && pcsc_available ())
256          scard_support = 1;          scard_support = 1;
257        */
258        scard_support = 0;
259        
260      gpgver[0] = ma;      gpgver[0] = ma;
261      gpgver[1] = mi;      gpgver[1] = mi;
262      gpgver[2] = pa;      gpgver[2] = pa;
# Line 241  check_crypto_engine (void) Line 264  check_crypto_engine (void)
264  }  }
265    
266    
267  /* Try to load the keyserver config file. If @quiet is 1  
268     do not show any errors. */  /* Check if both keyrings are empty. This indicates that
269  static int     WinPT should offer to generate a key pair. */
270  load_keyserver_conf (int quiet)  static bool
271    check_for_empty_keyrings (bool pub_only)
272  {  {
273      const char *t;      char *p;
274      int rc;      int n;
275    
276      if (reg_prefs.kserv_conf)      n=0;
277          t = reg_prefs.kserv_conf;      p = get_gnupg_keyring (1, 0);
278      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
279          t = get_prog_part ("keyserver.conf", 0);          n++;
280      else      free_if_alloc (p);
281          t = "keyserver.conf";      if (pub_only)
282      rc = kserver_load_conf (t);          return n == 1? true : false;
283      if (rc && !quiet)      p = get_gnupg_keyring (0, 0);
284          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
285      return rc;          n++;
286        free_if_alloc (p);
287        return n==2? true : false;
288  }  }
289    
290    
291  /* Enable the mobility mode. */  
292  static void  /* Display info message that WinPT is now in debug mode. */
293  enable_mobile_mode (void)  void
294    winpt_debug_msg (void)
295    {      
296        char output[512];
297        char temp[MAX_PATH+1];
298            
299        GetTempPath (DIM (temp) -1, temp);
300        _snprintf (output, DIM (output)-1,
301            "The GPGME output file is %sgpgme.dbg\n"
302            "The WinPT output file is %swinpt.log\n", temp, temp);
303        MessageBox (NULL, output, "WinPT now runs in DEBUG MODE", MB_INFO);
304    }
305    
306    
307    /* Search for insecure ElGamal keys and return the
308       number of founded keys. */
309    static int
310    count_insecure_elgkeys (void)
311  {  {
312      memset (&reg_prefs, 0, sizeof (reg_prefs));      gpg_keycache_t pc;
313      reg_prefs.always_trust = 0;      gpgme_key_t key;
314      reg_prefs.auto_backup = 0;      int n;
315      reg_prefs.cache_time = 0;  
316      reg_prefs.expert = 0;      n=0;
317      reg_prefs.keylist_mode = 1;      pc = keycache_get_ctx (1);
318      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");      while (!gpg_keycache_next_key (pc, 0, &key)) {
319      reg_prefs.no_zip_mmedia = 1;          if (key->subkeys->pubkey_algo == GPGME_PK_ELG)
320      reg_prefs.use_tmpfiles = 1;              n++;
321      reg_prefs.word_wrap = 80;      }
322      reg_prefs.use_viewer = 0; /* XXX */      gpg_keycache_rewind (pc);
323        return n;
324  }  }
325    
326    
# Line 289  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 333  WinMain (HINSTANCE hinst, HINSTANCE hpre
333      MSG msg;      MSG msg;
334      HWND hwnd = NULL;      HWND hwnd = NULL;
335      WORD ver[3], ptdver[4];      WORD ver[3], ptdver[4];
336        OSVERSIONINFOA osver;
337        const char *s;
338      int rc, ec, created = 0;      int rc, ec, created = 0;
339      int first_start = 0, start_gpgprefs = 0;      int first_start = 0, start_gpgprefs = 0;
340      int winpt_inst_found = 0;      int winpt_inst_found = 0;
341      int start_manager = 0;      int start_manager = 0;    
     const char *s;  
342    
343        memset (&osver, 0, sizeof (osver));
344        osver.dwOSVersionInfoSize = sizeof (osver);
345        if (!GetVersionEx (&osver)) {
346            MessageBox (NULL, _("Could not read the OS version."),
347                        _("WinPT Error"), MB_ERR);
348            return 0;
349        }
350        /*
351        if (osver.dwMajorVersion < 5) {
352            MessageBox (NULL, _("WinPT requires Windows XP or higher."),
353                        _("WinPT Warning"), MB_INFO);
354            return 0;
355        }*/
356            
357      glob_hinst = hinst;      glob_hinst = hinst;
358      if (cmdline && stristr (cmdline, "--stop")) {      if (cmdline && stristr (cmdline, "--stop")) {
359          hwnd = FindWindow ("WinPT", "WinPT");          hwnd = FindWindow ("WinPT", "WinPT");
360          if (hwnd != NULL)          if (hwnd != NULL)
361              PostMessage (hwnd, WM_DESTROY, 0, 0);              PostMessage (hwnd, WM_DESTROY, 0, 0);
362          return 0;          return 0;
363      }      }    
   
     /*  
     OSVERSIONINFO osinf;  
     memset (&osinf, 0, sizeof (osinf));  
     if (GetVersionEx (&osinf) &&  
         osinf.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&  
         osinf.dwMinorVersion == 0) {  
         msg_box (NULL, "WinPT propably does not work on Windows 95 without restrictions",  
                  "WinPT Warning", MB_INFO);  
     }  
     */  
364    
365      #ifdef _DEBUG      get_file_version ("winpt.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
366      gpg_set_debug_mode (1);      ec = get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],  
     debug = 1;  
     #endif  
   
     get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);  
     get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],  
367                                   &ptdver[2], &ptdver[3]);                                   &ptdver[2], &ptdver[3]);
368      /* XXX      
369      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {      if (!ec && (ptdver[0] != ver[0] ||
370                    ptdver[1] != ver[1] ||
371                    ptdver[2] != ver[2])) {
372          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
373                   _("The PTD.dll file has a different version than WinPT.exe\n"                   _("The PTD.dll file has a different version than WinPT.exe\n"
374                     "Please update the PTD.dll to version %d.%d.%d"),                     "Please update the PTD.dll to version %d.%d.%d"),
375                     ver[0], ver[1], ver[2]);                     ver[0], ver[1], ver[2]);
376          return 0;          return 0;
377      }      }
     */  
378    
379      if (gpg_md_selftest ()) {      if (gpg_md_selftest ()) {
380          msg_box (NULL, _("Cryptographic selftest failed."),          msg_box (GetDesktopWindow (), _("Cryptographic selftest failed."),
381                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
382          return 0;          return 0;
383      }      }
384    
385      s = gpgme_check_version (MIN_GPGME_VER);      s = gpgme_check_version (NEED_GPGME_VERSION);
386      if (!s || !*s) {      if (!s || !*s) {
387          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),          msg_box (GetDesktopWindow (),
388                     _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
389                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
390          return 0;          return 0;
391      }      }
# Line 348  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 393  WinMain (HINSTANCE hinst, HINSTANCE hpre
393      CreateMutex (NULL, TRUE, PGM_NAME);      CreateMutex (NULL, TRUE, PGM_NAME);
394      if (GetLastError () == ERROR_ALREADY_EXISTS)      if (GetLastError () == ERROR_ALREADY_EXISTS)
395          winpt_inst_found = 1;          winpt_inst_found = 1;
396        
397        gettext_set_user_domain ();
398    
399      if (cmdline && stristr (cmdline, "--mobile")) {      regist_inst_gnupg (1);
400          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",      regist_inst_winpt (1, &created);
                  "WinPT", MB_INFO);  
         mobile = 1;  
     }  
   
     set_default_kserver ();  
     load_gettext (winpt_inst_found);  
   
     if (!mobile) {  
         regist_inst_gnupg (1);  
         regist_inst_winpt (1, &created);  
     }  
     else {  
         enable_mobile_mode ();  
         /* XXX: ask for GPG path */  
         created = 1; /* Disable registry writing */  
     }  
401    
402      if (!created) {      if (!created) {
403          memset (&reg_prefs, 0, sizeof (reg_prefs));          memset (&reg_prefs, 0, sizeof (reg_prefs));
         reg_prefs.use_tmpfiles = 1; /* default */  
         reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */  
404          get_reg_winpt_prefs (&reg_prefs);          get_reg_winpt_prefs (&reg_prefs);
405          if (!reg_prefs.no_hotkeys)          reg_prefs.fm.progress = 0; /* TODO: fix the bug and enable it again */
406              hotkeys_modify ();          if (gnupg_load_config () == -2)
407          gnupg_load_config ();              msg_box (GetDesktopWindow (),
408                         _("The gpg.conf file contains the 'textmode' option\n"
409                           "which leads to broken binary output during decryption.\n"
410                           "If this is on purpose, just continue otherwise the option should be disabled."),
411                         _("WinPT Error"), MB_ERR);
412      }      }
413    
414      if (is_gpg4win_installed ())      if (is_gpg4win_installed ())
415          load_gpg_env (); /* XXX: check return code. */          load_gpg_env (); /* TODO: check return code. */
416    
417      rc = gnupg_check_homedir ();      rc = gnupg_check_homedir ();
418      if (rc) {      if (rc) {
419            char *p;
420    
421          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
422                   _("GPG home directory is not set correctly.\n"                   _("GPG home directory is not set correctly.\n"
423                     "Please check the GPG registry settings:\n%s."),                     "Please check the GPG registry settings:\n%s."),
424                   winpt_strerror (rc));                   winpt_strerror (rc));
425          s = get_fileopen_dlg (GetActiveWindow (),          s = get_fileopen_dlg (GetActiveWindow (),
426                                _("Select GPG Public Keyring"),                                _("Select GPG Public Keyring"),
427                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),                                "GPG Keyrings (*.gpg)\0*.gpg\0\0",
428                                NULL);                                NULL);
429          if (s != NULL) {          if (s != NULL && (p=strrchr (s, '\\'))) {
430              size_t n;              char *path = substr (s, 0, (p-s));
431              char *p = strrchr (s, '\\');  
432              if (!p)              set_reg_entry_gpg ("HomeDir", path);
433                  BUG (0);              free_if_alloc (path);
             n = p - s;  
             if (n) {  
                 char *file = new char[n+1];  
                 if (!file)  
                     BUG (NULL);  
                 memset (file, 0, n);  
                 memcpy (file, s, n);  
                 file[n] = '\0';          
                 set_reg_entry_gpg ("HomeDir", file);  
                 free_if_alloc (file);  
                 gnupg_check_homedir (); /* change gpgProgram if needed */  
             }  
434          }          }
435          else {          else {
436              msg_box (NULL, _("GPG home directory could not be determited."),              msg_box (GetDesktopWindow (),
437                         _("GPG home directory could not be determined."),
438                       _("WinPT Error"), MB_ERR);                       _("WinPT Error"), MB_ERR);
439              goto start;              goto start;
440          }          }
# Line 418  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 442  WinMain (HINSTANCE hinst, HINSTANCE hpre
442    
443      rc = check_gnupg_prog ();      rc = check_gnupg_prog ();
444      if (rc) {      if (rc) {
445          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"          if (msg_box (GetDesktopWindow (),
446                               "Do you want to start the GPG preferences to "                       _("Could not find the GPG binary (gpg.exe).\n"
447                               "correct  this problem?"), _("WinPT Error"),                         "Do you want to start the GPG preferences to "
448                               MB_INFO|MB_YESNO) == IDYES)                         "correct  this problem?"), _("WinPT Error"),
449                         MB_INFO|MB_YESNO) == IDYES)
450              start_gpgprefs = 1;              start_gpgprefs = 1;
451          else {          else {
452              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);              msg_box (GetDesktopWindow (),
453                         winpt_strerror (rc), _("WinPT Error"), MB_ERR);
454              return 0;              return 0;
455          }          }
456      }      }
# Line 432  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 458  WinMain (HINSTANCE hinst, HINSTANCE hpre
458      rc = gnupg_access_files ();      rc = gnupg_access_files ();
459      if (!start_gpgprefs && rc) {      if (!start_gpgprefs && rc) {
460          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
461              ec = msg_box (NULL,              ec = msg_box (GetDesktopWindow (),
462                  _("Could not access and/or find the public and secret keyring.\n"                  _("Could not access and/or find the public and secret keyring.\n"
463                    "If this is an accident, quit the program and fix it.\n\n"                    "If this is an accident, quit the program and fix it.\n\n"
464                    "Continue if you want that WinPT offers you more choices.\n"),                    "Continue if you want WinPT to offer you more choices.\n"),
465                    "WinPT", MB_INFO|MB_YESNO);                    "WinPT", MB_INFO|MB_YESNO);
466              if (ec == IDYES)              if (ec == IDYES)
467                  first_start = 1;                  first_start = 1;
468          }          }
469          if (!first_start) {          if (!first_start) {
470              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);              msg_box (GetDesktopWindow (), winpt_strerror (rc), _("WinPT Error"), MB_ERR);
471              return 0;              return 0;
472          }          }
473      }      }
474        if (check_for_empty_keyrings (false))
475            first_start = 1;
476    
477      if (!first_start) {      if (!first_start) {
478          rc = gpg_check_permissions (1);          rc = gpg_check_permissions (1);
479          if (rc && rc == 2)          if (rc && rc == 2) /* 2 means read-only mode. */
480              gpg_read_only = 1;              gpg_read_only = 1;
481          else if (rc)          else if (rc)
482              return 0;              return 0;
# Line 461  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 489  WinMain (HINSTANCE hinst, HINSTANCE hpre
489          return 0;          return 0;
490      }      }
491    
492      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      rc = kserver_load_conf ();
493          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,      if (rc)
494                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,          msg_box (GetDesktopWindow (), winpt_strerror (rc),
495                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);                   _("Keyserver"), MB_ERR);
         free_gnupg_table ();  
         return 0;  
     }  
   
     load_keyserver_conf (cmdline? 1 : 0);  
496    
497      if (cmdline && (stristr (cmdline, "--keymanager")      if (cmdline && (stristr (cmdline, "--keymanager")
498                  || stristr (cmdline, "--cardmanager"))) {                  || stristr (cmdline, "--cardmanager"))) {
499          /* If an instance of WinPT is running, just send the command          /* If an instance of WinPT is running, just send the command
500             to open the key manager. Otherwise start a new instance.             to open the key manager. Otherwise start a new instance. */
          */  
501          HWND tray = FindWindow ("WinPT", "WinPT");          HWND tray = FindWindow ("WinPT", "WinPT");
502          if (stristr (cmdline, "keymanager"))          if (stristr (cmdline, "keymanager"))
503              start_manager = ID_WINPT_KEY;              start_manager = ID_WINPT_KEY;
# Line 496  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 518  WinMain (HINSTANCE hinst, HINSTANCE hpre
518          return 0;          return 0;
519      }      }
520    
521      if (cmdline) {      if (cmdline && (stristr (cmdline, "--enable-debug") ||
522          if (stristr (cmdline, "--enable-debug") ||                      stristr (cmdline, "--debug"))) {
523              stristr (cmdline, "--debug")) {          gpg_set_debug_mode (1);
524              gpg_set_debug_mode (1);          winpt_debug_msg ();
525              winpt_debug_msg ();          debug = 1;
             debug = 1;  
         }  
526      }      }
527    
528      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
529      rc = RegisterClass (&wc);      rc = RegisterClass (&wc);
530      if (rc == FALSE) {      if (rc == FALSE) {
531          msg_box (NULL, _("Could not register window class"),          msg_box (GetDesktopWindow (),
532                     _("Could not register window class"),
533                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
534          free_gnupg_table ();          free_gnupg_table ();
535          return 0;          return 0;
# Line 522  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 543  WinMain (HINSTANCE hinst, HINSTANCE hpre
543                           hinst,                           hinst,
544                           NULL);                           NULL);
545      if (hwnd == NULL) {      if (hwnd == NULL) {
546          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);          msg_box (GetDesktopWindow (),
547                     _("Could not create window"),
548                     _("WinPT Error"), MB_ERR);
549          free_gnupg_table ();          free_gnupg_table ();
550          return 0;          return 0;
551      }      }
# Line 539  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 562  WinMain (HINSTANCE hinst, HINSTANCE hpre
562      }      }
563            
564      if (start_gpgprefs) {      if (start_gpgprefs) {
         char *ring;  
565          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
566                          gpgprefs_dlg_proc, 0);                          gpgprefs_dlg_proc, 0);
567          ring = get_gnupg_keyring (0, !NO_STRICT);          if (check_for_empty_keyrings (true))
568          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)              first_start = 1; /* The public keyring is empty. */
             first_start = 1; /* The keyring is empty! */  
         free_if_alloc (ring);  
569      }      }
570    
571      if (first_start) {      if (first_start) {
         struct first_start_s fs;  
572          struct genkey_s c;          struct genkey_s c;
573            int choice;
574          HWND h;          HWND h;
575  start:  start:
576          h = GetDesktopWindow ();          h = GetDesktopWindow ();
577          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,          if (!gpg_prefs_ok ())
578                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
579                              gpgprefs_dlg_proc, 0);                              gpgprefs_dlg_proc, 0);
580          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,          choice = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
581                          first_run_dlg_proc, (LPARAM)&fs);                                   first_run_dlg_proc, 0);
582          switch (fs.choice) {          switch (choice) {
583          case SETUP_KEYGEN:          case SETUP_KEYGEN:
584              c.interactive = 1;              c.interactive = 1;
585              c.first_start = 1;              c.first_start = 1;
# Line 576  start: Line 597  start:
597              }              }
598              break;              break;
599    
600          case -1:          case SETUP_EXISTING:
601                rc = gnupg_import_keypair ();
602                if (rc) {
603                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
604                    goto start;
605                }
606                break;
607    
608            case SETUP_CARDGEN:
609                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_CARD_KEYGEN,
610                                     h, card_keygen_dlg_proc, 0);
611                if (!rc)
612                    goto start;
613                break;
614    
615            case 0: /* Cancel/Abort. */
616            default:
617              DestroyWindow (hwnd);              DestroyWindow (hwnd);
618              free_gnupg_table ();              free_gnupg_table ();
619              return 0;              return 0;
620          }          }
621          update_keycache (hwnd);          update_keycache (hwnd);
622          check_crypto_engine ();          if (!check_crypto_engine ()) {
623                DestroyWindow (hwnd);
624                free_gnupg_table ();
625                keycache_release (1);
626                return 0;
627            }
628      }      }
629      else {      else {
630          gpg_keycache_t c;          gpg_keycache_t c;
631          update_keycache (hwnd);          if (update_keycache (hwnd)) {
632                DestroyWindow (hwnd);
633                free_gnupg_table ();
634                keycache_release (1);
635                return 0;
636            }
637            /* XXX: rewrite this part. */
638          c = keycache_get_ctx (1);          c = keycache_get_ctx (1);
639          if (!c || !gpg_keycache_get_size (c)) {          if (!gpg_keycache_get_size (c)) {
             gnupg_display_error ();  
640              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
641                               "Please check your GPG config (keyrings, pathes...)"),                               "Please check your GPG config (keyrings, pathes...)"),
642                               _("WinPT Error"), MB_ERR);                               _("WinPT Error"), MB_ERR);
643              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"              ec = msg_box (GetDesktopWindow (),
644                                    "Do you want to start the GPG preferences dialog?"),                            _("It seems that GPG is not configured properly.\n"
645                              "WinPT", MB_INFO|MB_YESNO);                              "Do you want to start the GPG preferences dialog?"),
646                              "WinPT", MB_INFO|MB_YESNO);
647              if (ec == IDYES) {              if (ec == IDYES) {
648                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
649                                  gpgprefs_dlg_proc, 0);                                  gpgprefs_dlg_proc, 0);
# Line 604  start: Line 652  start:
652              else {              else {
653                  DestroyWindow (hwnd);                  DestroyWindow (hwnd);
654                  free_gnupg_table ();                  free_gnupg_table ();
655                    keycache_release (1);
656                  return 0;                  return 0;
657              }              }
658          }          }      
659          if (check_default_key (c)) {          if (check_default_key ()) {
660              char *p = get_gnupg_default_key ();              char *p = get_gnupg_default_key ();
661              log_box (_("WinPT Error"), MB_ERR,              log_box (_("WinPT Error"), MB_ERR,
662                       _("Default key from the GPG options file could not be found.\n"                       _("Default key (from the GPG config file) could not be found or is unuseable.\n"
663                         "Please check your gpg.conf (options) to correct this:\n\n"                         "The default key will be resetted and can be set later in the Key Manager again.\n\n"
664                         "%s: public key not found."), p? p : "[null]");                         "%s: secret key not found."), p? p : "?");
665                set_gnupg_default_key (NULL);
666              free_if_alloc (p);              free_if_alloc (p);
             DestroyWindow (hwnd);  
             free_gnupg_table ();  
             return 0;  
667          }          }
668          if (count_insecure_elgkeys ())          if (count_insecure_elgkeys ())
669              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
670                              elgamal_warn_dlg_proc, 0);                              elgamal_warn_dlg_proc, 0);
671      }      }
672      
673        if (strstr (cmdline, "--emulate-utf8-bug")) {
674            MessageBox (NULL, "Please use this mode only for resetting your passphrase to a non-utf8 form.",
675                        "WinPT Warning", MB_WARN);
676            emulate_utf8_bug = 1;
677        }
678      if (start_manager)      if (start_manager)
679          PostMessage (hwnd, WM_COMMAND, start_manager, 0);          PostMessage (hwnd, WM_COMMAND, start_manager, 0);
680    
# Line 634  start: Line 686  start:
686              DispatchMessage (&msg);              DispatchMessage (&msg);
687          }          }
688      }      }
689                
690      return 0;      return 0;
691  }  }
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