/[winpt]/trunk/Src/WinPT.cpp
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revision 73 by twoaday, Tue Nov 8 07:15:13 2005 UTC revision 355 by twoaday, Sat Dec 3 18:59:01 2011 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   "1.4.3"   /* 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  char gpgver[3];  char gpgver[3];
50    /* End */
51    
52    
53    /* Retrieve the product verion of the given file @fname.
54       Format: MAJOR.MINOR.PATCH1.PATCH2
55       Return value: 0 on success. */
56    int
57    get_file_version (const char *fname, WORD *major, WORD *minor, WORD *patch1, WORD *patch2)
58    {
59        VS_FIXEDFILEINFO *inf;
60        char file[MAX_PATH+1] = {0};
61        LPVOID buf, data;
62        DWORD size;
63        UINT qlen;
64        int err = 0;
65    
66        strncpy (file, fname, MAX_PATH);
67        size = GetFileVersionInfoSize (file, NULL);
68        if (!size)
69            return -1;
70        
71        buf = (LPVOID)new char[size];
72        if (!buf)
73            BUG (NULL);
74        if (!GetFileVersionInfo (file, 0, size, buf)) {
75            err = -1;
76            goto fail;
77        }
78    
79        qlen = 0;
80        VerQueryValue (buf, (char*)"\\", &data, &qlen);
81        if (!qlen) {
82            err = -1;
83            goto fail;
84        }
85        
86        inf = (VS_FIXEDFILEINFO*)data;
87        *major = HIWORD (inf->dwProductVersionMS);
88        *minor = LOWORD (inf->dwProductVersionMS);
89        *patch1 = HIWORD (inf->dwProductVersionLS);
90        *patch2 = LOWORD (inf->dwProductVersionLS);
91    
92    fail:
93        delete [](char*)buf;
94        return err;
95    }
96    
97    
98  /* Load the key cache and rebuild the signature cache. */  /* Load the key cache and rebuild the signature cache. */
99  static void  int
100  update_keycache (HWND hwnd)  update_keycache (HWND hwnd)
101  {  {
102      refresh_cache_s rcs = {0};      int err;
103      rcs.kr_reload = 0;      refresh_cache_s rcs;
104      rcs.kr_update = 1;  
105      rcs.tr_update = 1;      /* no need to rebuild the sig cache each time. */
106      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,      memset (&rcs, 0, sizeof (rcs));
107        rcs.kring_update = 1;
108        err = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
109                      keycache_dlg_proc, (LPARAM)&rcs);                      keycache_dlg_proc, (LPARAM)&rcs);
110        if (err) {
111            char *cfgf = get_gnupg_config ();
112            if (cfgf && check_gnupg_options (cfgf, 0) == WPTERR_FILE_EXIST)
113                msg_box (GetDesktopWindow (),
114                         _("The gpg.conf contains at least one argument which points to a non-existing file."), "WinPT", MB_ERR);
115            free_if_alloc (cfgf);
116            return -1;
117        }
118        return 0;
119  }  }
120    
121    
122  /* 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. */
123  void  void
124  gpg_set_debug_mode (int val)  gpg_set_debug_mode (int val)
125  {        {
126      if (val)      static char buf[MAX_PATH+1];
127          putenv ("GPGME_DEBUG=5:gpgme.dbg");      char tmp[128];
128        
129        /* XXX: no gpgme.dbg is created. */
130        if (val > 0) {
131            GetTempPath (DIM (tmp)-1, tmp);
132            _snprintf (buf, DIM (buf)-1, "GPGME_DEBUG=5:%sgpgme.dbg", tmp);
133            putenv (buf);
134        }
135      else      else
136          putenv ("GPGME_DEBUG=");          putenv ("GPGME_DEBUG=");
137  }  }
138    
139    
140  /* Return the name of the gettext language file. */  /* Return true if the GPG environment is useable. */
141  static char*  static bool
142  get_gettext_lang (void)  gpg_prefs_ok (void)
143  {      {
144      char *fname;      char *p = get_reg_entry_gpg4win ("gpg.exe");
145      fname = get_reg_entry_mo ();      if (!p || file_exist_check (p) != 0) {
146      if (!fname)          free_if_alloc (p);
147          return NULL;          p = get_reg_entry_gpg ("gpgProgram");
148      return fname;          if (!p || file_exist_check (p) != 0) {
149                free_if_alloc (p);
150                log_debug ("gpg_prefs_ok: could not locate gpg.exe");
151                return false;
152            }
153        }
154        free_if_alloc (p);
155        p = get_reg_entry_gpg4win (NULL);
156        if (!p || dir_exist_check (p) != 0) {
157            free_if_alloc (p);
158            p = get_reg_entry_gpg ("HomeDir");
159            if (!p || dir_exist_check (p) != 0) {
160                free_if_alloc (p);
161                log_debug ("gpg_prefs_ok: could not determine home directory");
162                return false;
163            }
164        }
165        free_if_alloc (p);
166        return true;
167  }  }
168    
169    
170  /* Initialize the gettext sub system. */  /* Check gpg files if they are read-only and ask the user
171       if this should be corrected. */
172  static void  static void
173  load_gettext (int prev_inst)  check_readonly_attr (const char *homedir)
174  {  {
175      char *nls = NULL;      const char *files[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg", NULL};
     char *file = NULL;  
176    
177      nls = get_gettext_lang ();      for (int i=0; files[i] != NULL; i++) {
178      if (nls) {          char *file = make_filename (homedir, files[i], NULL);
179          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);  
180          free_if_alloc (file);          free_if_alloc (file);
181      }      }
182  }  }
183    
184    
185    /* Load the GPG environment. On the first start, some
186       checks are performed to find out in what state GPG is.
187       Return value: 0  everything OK.
188                     >0  fatal error.
189                     -1 public keyring is empty or does not exist. */
190    static int
191    load_gpg_env (void)
192    {
193        SECURITY_ATTRIBUTES sec_attr;
194        char *p;
195        char *pkr;
196        int err = 0;
197    
198        p = get_reg_entry_gpg4win ("gpg.exe");
199        if (!p)
200            return (1);
201        if (file_exist_check (p)) {
202            free_if_alloc (p);
203            return (1);
204        }
205        free_if_alloc (p);
206    
207        p = get_reg_entry_gpg ("HomeDir");
208        if (!p || dir_exist_check (p) != 0) {
209            free_if_alloc (p);
210            p = multi_gnupg_path (0);
211        }
212        if (p && dir_exist_check (p)) {
213            memset (&sec_attr, 0, sizeof (sec_attr));
214            sec_attr.nLength = sizeof (sec_attr);
215            if (!CreateDirectory (p, &sec_attr)) {
216                msg_box (GetDesktopWindow (),
217                         _("Could not create GPG home directory"),
218                         _("WinPT Error"), MB_ERR);
219                free_if_alloc (p);
220                return (2);
221            }
222        }
223        check_readonly_attr (p);
224        pkr = make_filename (p, "pubring", "gpg");
225        free_if_alloc (p);
226        if (get_file_size (pkr) == 0)
227            err = -1;
228        free_if_alloc (pkr);
229        return err;
230    }
231    
232    
233  /* 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
234     keyring. if not, bail out because encryption won't work properly then. */     keyring. if not, bail out because encryption won't work properly then. */
235  static int  static int
236  check_default_key (gpg_keycache_t kc)  check_default_key (void)
237  {  {
238      gpgme_key_t key;      gpgme_key_t key;
239      gpgme_error_t err = GPG_ERR_NO_ERROR;      gpgme_error_t err = gpg_error (GPG_ERR_NO_ERROR);
240      char * defkey;      gpg_keycache_t kc;
241        char *defkey;
242    
243        kc = keycache_get_ctx (0);
244      defkey = get_gnupg_default_key ();      defkey = get_gnupg_default_key ();
245      if (defkey)      if (defkey != NULL) {
246          err = gpg_keycache_find_key (kc, defkey, 0, &key);          err = gpg_keycache_find_key (kc, defkey, 0, &key);
247      else          if (err) {
248          msg_box (NULL, _("No useable secret key found."), _("WinPT Error"), MB_ERR);              free_if_alloc (defkey);
249      free_if_alloc (defkey);              return -1;
     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;  
250          }          }
         currdir[j] = 0;  
         _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  
251      }      }
252      return program;      else {
253            /* Actually this is just a warning but we still continue. */
254            msg_box (GetDesktopWindow (), _("No useable secret key found."),
255                     _("WinPT Warning"), MB_WARN);
256            return 0;
257        }
258    
259        /* Because the secret key listing has no information
260           about the validity/status, we need to check the public key. */
261        kc = keycache_get_ctx (1);
262        if (!gpg_keycache_find_key (kc, defkey, 0, &key) &&
263            (key->revoked || key->expired)) {
264            msg_box (GetDesktopWindow (), _("Default secret key is unuseable"),
265                     _("WinPT Warning"), MB_ERR);
266            free_if_alloc (defkey);
267            return -1;
268        }
269        free_if_alloc (defkey);
270        return 0;
271  }  }
272    
273    
274  /* Check that the underlying crypto engine fullfills the minimal  /* Check that the underlying crypto engine fullfills the minimal
275     requirements so all commands work properly. */     requirements so all commands work properly. */
276  static int  static bool
277  check_crypto_engine (void)  check_crypto_engine (void)
278  {  {
279      int ma=1, mi=4, pa=3; /* GPG 1.4.3 */      int ma = 0, mi = 0, pa = 0;
280      int rc;      int rc;
281    
282      rc = check_gnupg_engine (&ma, &mi, &pa);      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
283      if (rc == -1) {      if (rc == -1) {
284          msg_box (NULL, _("Could not read GnuPG version."),          msg_box (GetDesktopWindow (), _("Could not read GnuPG version."),
285                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
286          return rc;          return false;
287      }      }
288      else if (rc) {      else if (rc) {
289          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
290                   _("Sorry, you need a newer GPG version.\n"                   _("A newer GPG version is needed.\n"
291                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),                     "Current GPG version %d.%d.%d, required "NEED_GPG_VERSION),
292                     ma, mi, pa);                     ma, mi, pa);
293          return rc;          return false;
294      }      }
295      /* We enable smartcard support for GPG: 1.9 or >= 1.4 */      
296      if ((ma == 1 && mi >= 4) || ma > 1)      // TODO: smart card support needs to be revamped
297        // and adjusted according to newer OpenPGP cards.
298        /*
299        if ((ma > 1 || pa >= 4) && pcsc_available ())
300          scard_support = 1;          scard_support = 1;
301        */
302        scard_support = 0;
303        
304      gpgver[0] = ma;      gpgver[0] = ma;
305      gpgver[1] = mi;      gpgver[1] = mi;
306      gpgver[2] = pa;      gpgver[2] = pa;
307      return rc;      return true;
308  }  }
309    
310    
311  /* Try to load the keyserver config file. If @quiet is 1  
312     do not show any errors. */  /* Check if both keyrings are empty. This indicates that
313  static int     WinPT should offer to generate a key pair. */
314  load_keyserver_conf (int quiet)  static bool
315    check_for_empty_keyrings (bool pub_only)
316  {  {
317      const char * t;      char *p;
318      int rc;      int n;
319    
320      if (reg_prefs.kserv_conf)      n=0;
321          t = reg_prefs.kserv_conf;      p = get_gnupg_keyring (1, 0);
322      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
323          t = get_prog_part ("keyserver.conf", 0);          n++;
324      else      free_if_alloc (p);
325          t = "keyserver.conf";      if (pub_only)
326      rc = kserver_load_conf (t);          return n == 1? true : false;
327      if (rc && !quiet)      p = get_gnupg_keyring (0, 0);
328          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
329      return rc;          n++;
330        free_if_alloc (p);
331        return n==2? true : false;
332  }  }
333    
334    
335  /* Enable the mobility mode. */  
336  static void  /* Display info message that WinPT is now in debug mode. */
337  enable_mobile_mode (void)  void
338    winpt_debug_msg (void)
339    {      
340        char output[512];
341        char temp[MAX_PATH+1];
342            
343        GetTempPath (DIM (temp) -1, temp);
344        _snprintf (output, DIM (output)-1,
345            "The GPGME output file is %sgpgme.dbg\n"
346            "The WinPT output file is %swinpt.log\n", temp, temp);
347        MessageBox (NULL, output, "WinPT now runs in DEBUG MODE", MB_INFO);
348    }
349    
350    
351    /* Search for insecure ElGamal keys and return the
352       number of founded keys. */
353    static int
354    count_insecure_elgkeys (void)
355  {  {
356      memset (&reg_prefs, 0, sizeof (reg_prefs));      gpg_keycache_t pc;
357      reg_prefs.always_trust = 0;      gpgme_key_t key;
358      reg_prefs.auto_backup = 0;      int n;
359      reg_prefs.cache_time = 0;  
360      reg_prefs.expert = 0;      n=0;
361      reg_prefs.keylist_mode = 1;      pc = keycache_get_ctx (1);
362      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");      while (!gpg_keycache_next_key (pc, 0, &key)) {
363      reg_prefs.no_zip_mmedia = 1;          if (key->subkeys->pubkey_algo == GPGME_PK_ELG)
364      reg_prefs.use_tmpfiles = 1;              n++;
365      reg_prefs.word_wrap = 80;      }
366      reg_prefs.use_viewer = 0; /* XXX */      gpg_keycache_rewind (pc);
367        return n;
368  }  }
369    
 char* multi_gnupg_path (void);  
370    
371  const char * fm_get_file_type (const char *fname, int *r_type);  /* Return 1 if the current OS version is at least Windows XP */
372    static int
373    check_os_version (void)
374    {
375        OSVERSIONINFOA osver;    
376        memset (&osver, 0, sizeof (osver));
377        osver.dwOSVersionInfoSize = sizeof (osver);
378        
379        if (!GetVersionEx (&osver)) {
380            MessageBox (NULL, _("Could not read the OS version."), _("WinPT Error"), MB_ERR);
381            return 0;
382        }
383    
384        if (osver.dwMajorVersion < 5 ||
385            (osver.dwMajorVersion == 5 && osver.dwMinorVersion == 0)) {
386            MessageBox (NULL, _("WinPT requires Windows XP or higher."), _("WinPT Error"), MB_ERR);
387            return 0;
388        }
389        
390        return 1;
391    }
392        
393  /* Main entry point. */  /* Main entry point. */
394  int WINAPI  int WINAPI
395  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
396  {  {
397      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
398      HACCEL accel_tab;      HACCEL accel_tab;
     int rc, ec, created = 0, nfiles = 0;  
     int first_start = 0, start_gpgprefs = 0;  
     int winpt_inst_found = 0;  
     const char *s;  
399      MSG msg;      MSG msg;
400      HWND hwnd = NULL;      HWND hwnd = NULL;
401        WORD ver[3], ptdver[4];
402        
403        const char *s;
404        int rc, ec, created = 0;
405        int first_start = 0, start_gpgprefs = 0;
406        int winpt_inst_found = 0;
407        int start_manager = 0;    
408    
409        if (!check_os_version ())
410            return 0;
411        
412      glob_hinst = hinst;      glob_hinst = hinst;
413        
414        /* Allow to shutdown the process, for instance by an installer */
415        if (cmdline && stristr (cmdline, "--stop")) {
416            hwnd = FindWindow ("WinPT", "WinPT");
417            if (hwnd != NULL)
418                PostMessage (hwnd, WM_DESTROY, 0, 0);
419            return 0;
420        }    
421    
422  #ifdef _DEBUG      get_file_version ("winpt.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
423      gpg_set_debug_mode (1);      ec = get_file_version ("PTD.dll", &ptdver[0], &ptdver[1], &ptdver[2], &ptdver[3]);
424      debug = 1;      if (!ec && (ptdver[0] != ver[0] || ptdver[1] != ver[1] || ptdver[2] != ver[2])) {
425  #endif          log_box (_("WinPT Error"), MB_ERR,
426                     _("The PTD.dll file has a different version than WinPT.exe\n"
427      if (gpg_md_selftest ()) {                     "Please update the PTD.dll to version %d.%d.%d"),
428          msg_box (NULL, _("Cryptographic selftest failed."),                     ver[0], ver[1], ver[2]);
                  _("WinPT Error"), MB_ERR);  
429          return 0;          return 0;
430      }      }
431    
432      s = gpgme_check_version (MIN_GPGME_VER);      s = gpgme_check_version (NEED_GPGME_VERSION);
433      if (!s || !*s) {      if (!s || !*s) {
434          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),          msg_box (GetDesktopWindow (),
435                     _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
436                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
437          return 0;          return 0;
438      }      }
# Line 276  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 440  WinMain (HINSTANCE hinst, HINSTANCE hpre
440      CreateMutex (NULL, TRUE, PGM_NAME);      CreateMutex (NULL, TRUE, PGM_NAME);
441      if (GetLastError () == ERROR_ALREADY_EXISTS)      if (GetLastError () == ERROR_ALREADY_EXISTS)
442          winpt_inst_found = 1;          winpt_inst_found = 1;
443        
444        gettext_set_user_domain ();
445    
446      if (cmdline && stristr (cmdline, "--mobile")) {      regist_inst_gnupg (1);
447          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",      regist_inst_winpt (1, &created);
                  "WinPT", MB_INFO);  
         mobile = 1;  
     }  
   
     set_default_kserver ();  
   
     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 */  
     }  
448    
449      if (!created) {      if (!created) {
450          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 */  
451          get_reg_winpt_prefs (&reg_prefs);          get_reg_winpt_prefs (&reg_prefs);
452          if (!reg_prefs.no_hotkeys)          reg_prefs.fm.progress = 0; /* TODO: fix the bug and enable it again */
453              hotkeys_modify ();          if (gnupg_load_config () == -2)
454          gnupg_load_config ();              msg_box (GetDesktopWindow (),
455                         _("The gpg.conf file contains the 'textmode' option\n"
456                           "which leads to broken binary output during decryption.\n"
457                           "If this is on purpose, just continue otherwise the option should be disabled."),
458                         _("WinPT Error"), MB_ERR);
459      }      }
460    
461        if (is_gpg4win_installed ())
462            load_gpg_env (); /* TODO: check return code. */
463    
464      rc = gnupg_check_homedir ();      rc = gnupg_check_homedir ();
465      if (rc) {      if (rc) {
466            char *p;
467    
468          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
469                   _("GPG home directory is not set correctly.\n"                   _("GPG home directory is not set correctly.\n"
470                     "Please check the GPG registry settings:\n%s."),                     "Please check the GPG registry settings:\n%s."),
471                   winpt_strerror (rc));                   winpt_strerror (rc));
472          s = get_fileopen_dlg (GetActiveWindow (),          s = get_fileopen_dlg (GetActiveWindow (),
473                                _("Select GPG Public Keyring"),                                _("Select GPG Public Keyring"),
474                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),                                "GPG Keyrings (*.gpg)\0*.gpg\0\0",
475                                NULL);                                NULL);
476          if (s != NULL) {          if (s != NULL && (p=strrchr (s, '\\'))) {
477              size_t n;              char *path = substr (s, 0, (p-s));
478              char * p = strrchr (s, '\\');  
479              if (!p)              set_reg_entry_gpg ("HomeDir", path);
480                  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 */  
             }  
481          }          }
482          else {          else {
483              msg_box (NULL, _("GPG home directory could not be determited."),              msg_box (GetDesktopWindow (),
484                         _("GPG home directory could not be determined."),
485                       _("WinPT Error"), MB_ERR);                       _("WinPT Error"), MB_ERR);
486              goto start;              goto start;
487          }          }
# Line 342  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 489  WinMain (HINSTANCE hinst, HINSTANCE hpre
489    
490      rc = check_gnupg_prog ();      rc = check_gnupg_prog ();
491      if (rc) {      if (rc) {
492          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"          if (msg_box (GetDesktopWindow (),
493                               "Do you want to start the GPG preferences to "                       _("Could not find the GPG binary (gpg.exe).\n"
494                               "correct  this problem?"), _("WinPT Error"),                         "Do you want to start the GPG preferences to "
495                               MB_INFO|MB_YESNO) == IDYES)                         "correct  this problem?"), _("WinPT Error"),
496                         MB_INFO|MB_YESNO) == IDYES)
497              start_gpgprefs = 1;              start_gpgprefs = 1;
498          else          else {
499          {              msg_box (GetDesktopWindow (),
500              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);                       winpt_strerror (rc), _("WinPT Error"), MB_ERR);
501              return 0;              return 0;
502          }          }
503      }      }
# Line 357  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 505  WinMain (HINSTANCE hinst, HINSTANCE hpre
505      rc = gnupg_access_files ();      rc = gnupg_access_files ();
506      if (!start_gpgprefs && rc) {      if (!start_gpgprefs && rc) {
507          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
508              ec = msg_box (NULL,              ec = msg_box (GetDesktopWindow (),
509                  _("Could not access and/or find the public and secret keyring.\n"                  _("Could not access and/or find the public and secret keyring.\n"
510                    "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"
511                    "Continue if you want that WinPT offers you more choices.\n"),                    "Continue if you want WinPT to offer you more choices.\n"),
512                    "WinPT", MB_INFO|MB_YESNO);                    "WinPT", MB_INFO|MB_YESNO);
513              if (ec == IDYES)              if (ec == IDYES)
514                  first_start = 1;                  first_start = 1;
515          }          }
516          if (!first_start) {          if (!first_start) {
517              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);              msg_box (GetDesktopWindow (), winpt_strerror (rc), _("WinPT Error"), MB_ERR);
518              return 0;              return 0;
519          }          }
520      }      }
521        if (check_for_empty_keyrings (false))
522            first_start = 1;
523    
524      if (!first_start) {      if (!first_start) {
525          rc = gpg_check_permissions (1);          rc = gpg_check_permissions (1);
526          if (rc && rc == 2)          if (rc && rc == 2) /* 2 means read-only mode. */
527              gpg_read_only = 1;              gpg_read_only = 1;
528          else if (rc)          else if (rc)
529              return 0;              return 0;
530      }      }
531        
     load_gettext (winpt_inst_found);  
532      init_gnupg_table ();      init_gnupg_table ();
533    
534      nfiles = fm_parse_command_line (cmdline);      if (fm_parse_command_line (cmdline) > 0) {
     if (nfiles > 0) {  
535          free_gnupg_table ();          free_gnupg_table ();
536          return 0;          return 0;
537      }      }
538    
539      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      rc = kserver_load_conf ();
540          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,      if (rc)
541                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,          msg_box (GetDesktopWindow (), winpt_strerror (rc),
542                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);                   _("Keyserver"), MB_ERR);
         free_gnupg_table ();  
         return 0;  
     }  
   
     load_keyserver_conf (cmdline? 1 : 0);  
543    
544      if (cmdline && (stristr (cmdline, "--keymanager")      if (cmdline && (stristr (cmdline, "--keymanager")
545                  || stristr (cmdline, "--cardmanager"))) {                  || stristr (cmdline, "--cardmanager"))) {
546          update_keycache (GetDesktopWindow ());          /* If an instance of WinPT is running, just send the command
547               to open the key manager. Otherwise start a new instance. */
548            HWND tray = FindWindow ("WinPT", "WinPT");
549          if (stristr (cmdline, "keymanager"))          if (stristr (cmdline, "keymanager"))
550              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,              start_manager = ID_WINPT_KEY;
551                              GetDesktopWindow(), keymanager_dlg_proc, 0,          else
552                              _("Key Manager"), IDS_WINPT_KEYMISC);                start_manager = ID_WINPT_CARD;
553          else {          if (tray != NULL) {
554              gpg_card_t crd = gpg_card_load ();              PostMessage (tray, WM_COMMAND, start_manager, 0);
555              if (crd)              free_gnupg_table ();
556                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,              return 0;
                                   GetDesktopWindow(), card_edit_dlg_proc,  
                                   (LPARAM)crd, _("Card Manager"),  
                                   IDS_WINPT_CARD_EDIT);  
             gpg_card_release (crd);  
557          }          }
         keycache_release (0);  
         free_gnupg_table ();  
         return 0;  
558      }      }
559    
560      /* If we found another WinPT instance, just quit to avoid it      /* If we found another WinPT instance, just quit to avoid it
# Line 427  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 565  WinMain (HINSTANCE hinst, HINSTANCE hpre
565          return 0;          return 0;
566      }      }
567    
568      if (cmdline) {      if (cmdline && (stristr (cmdline, "--enable-debug") ||
569          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {                      stristr (cmdline, "--debug"))) {
570              gpg_set_debug_mode (1);          gpg_set_debug_mode (1);
571              winpt_debug_msg ();          winpt_debug_msg ();
572              debug = 1;          debug = 1;
         }  
573      }      }
574    
575      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
576      rc = RegisterClass (&wc);      rc = RegisterClass (&wc);
577      if (rc == FALSE) {      if (rc == FALSE) {
578          msg_box (NULL, _("Could not register window class"),          msg_box (GetDesktopWindow (), _("Could not register window class"),
579                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
580          free_gnupg_table ();          free_gnupg_table ();
581          return 0;          return 0;
# Line 452  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 589  WinMain (HINSTANCE hinst, HINSTANCE hpre
589                           hinst,                           hinst,
590                           NULL);                           NULL);
591      if (hwnd == NULL) {      if (hwnd == NULL) {
592          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);          msg_box (GetDesktopWindow (),
593                     _("Could not create window"),
594                     _("WinPT Error"), MB_ERR);
595          free_gnupg_table ();          free_gnupg_table ();
596          return 0;          return 0;
597      }      }
# Line 461  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 600  WinMain (HINSTANCE hinst, HINSTANCE hpre
600    
601      if (!first_start && !start_gpgprefs) {      if (!first_start && !start_gpgprefs) {
602          gnupg_backup_options ();                  gnupg_backup_options ();        
603          rc = check_crypto_engine ();          if (!check_crypto_engine ()) {
         if (rc) {  
604              DestroyWindow (hwnd);              DestroyWindow (hwnd);
605              free_gnupg_table ();              free_gnupg_table ();
606              return 0;              return 0;
# Line 470  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 608  WinMain (HINSTANCE hinst, HINSTANCE hpre
608      }      }
609            
610      if (start_gpgprefs) {      if (start_gpgprefs) {
         char *ring;  
   
611          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
612                          gpgprefs_dlg_proc, 0);                          gpgprefs_dlg_proc, 0);
613          ring = get_gnupg_keyring (0, !NO_STRICT);          if (check_for_empty_keyrings (true))
614          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);  
615      }      }
616    
617      if (first_start) {      if (first_start) {
         struct first_start_s fs;  
618          struct genkey_s c;          struct genkey_s c;
619            int choice;
620          HWND h;          HWND h;
621  start:  start:
622          h = GetDesktopWindow ();          h = GetDesktopWindow ();
623          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,          if (!gpg_prefs_ok ())
624                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
625                              gpgprefs_dlg_proc, 0);                              gpgprefs_dlg_proc, 0);
626          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,          choice = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
627                          first_run_dlg_proc, (LPARAM)&fs);                                   first_run_dlg_proc, 0);
628          switch (fs.choice) {          switch (choice) {
629          case SETUP_KEYGEN:          case SETUP_KEYGEN:
630              c.interactive = 1;              c.interactive = 1;
631              c.first_start = 1;              c.first_start = 1;
# Line 508  start: Line 643  start:
643              }              }
644              break;              break;
645    
646          case -1:          case SETUP_EXISTING:
647                rc = gnupg_import_keypair ();
648                if (rc) {
649                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
650                    goto start;
651                }
652                break;
653    
654            case SETUP_CARDGEN:
655                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_CARD_KEYGEN,
656                                     h, card_keygen_dlg_proc, 0);
657                if (!rc)
658                    goto start;
659                break;
660    
661            case 0: /* Cancel/Abort. */
662            default:
663              DestroyWindow (hwnd);              DestroyWindow (hwnd);
664              free_gnupg_table ();              free_gnupg_table ();
665              return 0;              return 0;
666          }          }
667          update_keycache (hwnd);          update_keycache (hwnd);
668          check_crypto_engine ();          if (!check_crypto_engine ()) {
669                DestroyWindow (hwnd);
670                free_gnupg_table ();
671                keycache_release (1);
672                return 0;
673            }
674      }      }
675      else {      else {
676          gpg_keycache_t c;          gpg_keycache_t c;
677          update_keycache (hwnd);          if (update_keycache (hwnd)) {
678                DestroyWindow (hwnd);
679                free_gnupg_table ();
680                keycache_release (1);
681                return 0;
682            }
683            /* XXX: rewrite this part. */
684          c = keycache_get_ctx (1);          c = keycache_get_ctx (1);
685          if (!c || !gpg_keycache_get_size (c)) {          if (!gpg_keycache_get_size (c)) {
             gnupg_display_error ();  
686              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
687                               "Please check your GPG config (keyrings, pathes...)"),                               "Please check your GPG config (keyrings, pathes...)"),
688                               _("WinPT Error"), MB_ERR);                               _("WinPT Error"), MB_ERR);
689              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"              ec = msg_box (GetDesktopWindow (),
690                                    "Do you want to start the GPG preferences dialog?"),                            _("It seems that GPG is not configured properly.\n"
691                              "WinPT", MB_INFO|MB_YESNO);                              "Do you want to start the GPG preferences dialog?"),
692                              "WinPT", MB_INFO|MB_YESNO);
693              if (ec == IDYES) {              if (ec == IDYES) {
694                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
695                                  gpgprefs_dlg_proc, 0);                                  gpgprefs_dlg_proc, 0);
# Line 536  start: Line 698  start:
698              else {              else {
699                  DestroyWindow (hwnd);                  DestroyWindow (hwnd);
700                  free_gnupg_table ();                  free_gnupg_table ();
701                    keycache_release (1);
702                  return 0;                  return 0;
703              }              }
704          }          }      
705          if (check_default_key (c)) {          if (check_default_key ()) {
706              char * p = get_gnupg_default_key ();              char *p = get_gnupg_default_key ();
707              log_box (_("WinPT Error"), MB_ERR,              log_box (_("WinPT Error"), MB_ERR,
708                       _("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"
709                         "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"
710                         "%s: public key not found."), p? p : "[null]");                         "%s: secret key not found."), p? p : "?");
711                set_gnupg_default_key (NULL);
712              free_if_alloc (p);              free_if_alloc (p);
             DestroyWindow (hwnd);  
             free_gnupg_table ();  
             return 0;  
713          }          }
714          if (count_insecure_elgkeys ())          if (count_insecure_elgkeys ())
715              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
716                              elgamal_warn_dlg_proc, 0);                              elgamal_warn_dlg_proc, 0);
717      }      }
718      
719        if (start_manager)
720            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
721    
722      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
723      keyring_check_last_access (); /* init */      keyring_check_last_access (); /* init */
# Line 563  start: Line 727  start:
727              DispatchMessage (&msg);              DispatchMessage (&msg);
728          }          }
729      }      }
730                
731      return 0;      return 0;
732  }  }
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