/[winpt]/trunk/Src/WinPT.cpp
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revision 208 by twoaday, Mon May 1 12:22:18 2006 UTC revision 415 by twoaday, Sat Feb 11 16:51:01 2012 UTC
# Line 1  Line 1 
1  /* WinPT.cpp - Windows Privacy Tray (WinPT)  /* WinPT.cpp - Windows Privacy Tray (WinPT)
2   *      Copyright (C) 2000-2006 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>
# Line 43  Line 39 
39  #include "wptUTF8.h"  #include "wptUTF8.h"
40    
41  void remove_crit_file_attrs (const char *fname, int force);  void remove_crit_file_attrs (const char *fname, int force);
 BOOL user_is_admin (void);  
42    
43  /* Global variables. */  /* 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 */
46  int scard_support = 0;  int scard_support = 0;
47    int disable_hook = 0;
48  int debug = 0;  int debug = 0;
 int mobile_mode_active = 0;  
49  int gpg_read_only = 0;  int gpg_read_only = 0;
 int admin_user = 0;  
50  char gpgver[3];  char gpgver[3];
51  /* End */  /* End */
52    
53    
54    /* Retrieve the product verion of the given file @fname.
55       Format: MAJOR.MINOR.PATCH1.PATCH2
56       Return value: 0 on success. */
57    int
58    get_file_version (const char *fname, WORD *major, WORD *minor, WORD *patch1, WORD *patch2)
59    {
60        VS_FIXEDFILEINFO *inf;
61        char file[MAX_PATH+1] = {0};
62        LPVOID buf, data;
63        DWORD size;
64        UINT qlen;
65        int err = 0;
66    
67        strncpy (file, fname, MAX_PATH);
68        size = GetFileVersionInfoSize (file, NULL);
69        if (!size)
70            return -1;
71        
72        buf = (LPVOID)new char[size];
73        if (!buf)
74            BUG (NULL);
75        if (!GetFileVersionInfo (file, 0, size, buf)) {
76            err = -1;
77            goto fail;
78        }
79    
80        qlen = 0;
81        VerQueryValue (buf, (char*)"\\", &data, &qlen);
82        if (!qlen) {
83            err = -1;
84            goto fail;
85        }
86        
87        inf = (VS_FIXEDFILEINFO*)data;
88        *major = HIWORD (inf->dwProductVersionMS);
89        *minor = LOWORD (inf->dwProductVersionMS);
90        *patch1 = HIWORD (inf->dwProductVersionLS);
91        *patch2 = LOWORD (inf->dwProductVersionLS);
92    
93    fail:
94        delete [](char*)buf;
95        return err;
96    }
97    
98    
99  /* Load the key cache and rebuild the signature cache. */  /* Load the key cache and rebuild the signature cache. */
100  void  int
101  update_keycache (HWND hwnd)  update_keycache (HWND hwnd)
102  {  {
103      refresh_cache_s rcs = {0};      refresh_cache_s rcs;
104      rcs.kr_reload = 0;  
105      rcs.kr_update = 1;      /* no need to rebuild the sig cache each time. */
106      rcs.tr_update = 1;      memset (&rcs, 0, sizeof (rcs));
107      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,      rcs.kring_update = 1;
108        int err = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
109                      keycache_dlg_proc, (LPARAM)&rcs);                      keycache_dlg_proc, (LPARAM)&rcs);
110      /* XXX: the dialog return 0 when an error occurs.      if (err) {
111              in this case figure out if the gpg env is OK          char *cfgf = get_gnupg_config ();
112              and supress dialogs to configure gpg. */          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    
# Line 77  update_keycache (HWND hwnd) Line 123  update_keycache (HWND hwnd)
123  void  void
124  gpg_set_debug_mode (int val)  gpg_set_debug_mode (int val)
125  {  {
126      static char buf[256];      static char buf[MAX_PATH+1];
     char tmp[128];  
127            
128      /* XXX: no gpgme.dbg is created. */      /* XXX: no gpgme.dbg is created. */
129      if (val > 0) {      if (val > 0) {
130          GetTempPath (sizeof (tmp)-1, tmp);          char tmp[128];
131          _snprintf (buf, sizeof (buf)-1, "GPGME_DEBUG=5:%sgpgme.dbg", tmp);          GetTempPath (DIM (tmp)-1, tmp);
132            _snprintf (buf, DIM (buf)-1, "GPGME_DEBUG=5:%sgpgme.dbg", tmp);
133          putenv (buf);          putenv (buf);
134      }      }
135      else      else
# Line 91  gpg_set_debug_mode (int val) Line 137  gpg_set_debug_mode (int val)
137  }  }
138    
139    
 /* Initialize the gettext sub system. */  
 static void  
 load_gettext (void)  
 {  
     char *nls = NULL;  
   
     /* Return the name of the gettext language file. */  
     nls = get_reg_entry_mo ();  
     if (nls != NULL) {  
         set_gettext_file ("winpt", nls);  
         free_if_alloc (nls);  
     }  
 }  
   
   
140  /* Return true if the GPG environment is useable. */  /* Return true if the GPG environment is useable. */
141  static bool  static bool
142  gpg_prefs_ok (void)  gpg_prefs_ok (void)
143  {  {
144      char *p;      char *p = get_reg_entry_gpg4win ("gpg.exe");
   
     p = get_reg_entry_gpg4win ("gpg.exe");  
145      if (!p || file_exist_check (p) != 0) {      if (!p || file_exist_check (p) != 0) {
146          free_if_alloc (p);          free_if_alloc (p);
147          p = get_reg_entry_gpg ("gpgProgram");          p = get_reg_entry_gpg ("gpgProgram");
# Line 123  gpg_prefs_ok (void) Line 152  gpg_prefs_ok (void)
152          }          }
153      }      }
154      free_if_alloc (p);      free_if_alloc (p);
155      p = get_reg_entry_gpg4win (NULL);          p = get_reg_entry_gpg4win (NULL);
156      if (!p || dir_exist_check (p) != 0) {      if (!p || dir_exist_check (p) != 0) {
157          free_if_alloc (p);          free_if_alloc (p);
158          p = get_reg_entry_gpg ("HomeDir");          p = get_reg_entry_gpg ("HomeDir");
# Line 144  static void Line 173  static void
173  check_readonly_attr (const char *homedir)  check_readonly_attr (const char *homedir)
174  {  {
175      const char *files[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg", NULL};      const char *files[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg", NULL};
176      char *file;      
177      int i;      log_debug("check if there are gpg files with a read-only attribute");
178        for (int i=0; files[i] != NULL; i++) {
179      for (i=0; files[i] != NULL; i++) {          char *file = make_filename (homedir, files[i], NULL);
         file = make_filename (homedir, files[i], NULL);  
180          remove_crit_file_attrs (file, 0);          remove_crit_file_attrs (file, 0);
181          free_if_alloc (file);          free_if_alloc (file);
182      }      }
# Line 166  load_gpg_env (void) Line 194  load_gpg_env (void)
194      SECURITY_ATTRIBUTES sec_attr;      SECURITY_ATTRIBUTES sec_attr;
195      char *p;      char *p;
196      char *pkr;      char *pkr;
197        int err = 0;
198    
199      p = get_reg_entry_gpg4win ("gpg.exe");      p = get_reg_entry_gpg4win ("gpg.exe");
200      if (!p)      if (!p)
# Line 185  load_gpg_env (void) Line 214  load_gpg_env (void)
214          memset (&sec_attr, 0, sizeof (sec_attr));          memset (&sec_attr, 0, sizeof (sec_attr));
215          sec_attr.nLength = sizeof (sec_attr);          sec_attr.nLength = sizeof (sec_attr);
216          if (!CreateDirectory (p, &sec_attr)) {          if (!CreateDirectory (p, &sec_attr)) {
217              msg_box (NULL, _("Could not create GPG home directory"),              msg_box (GetDesktopWindow (),
218                         _("Could not create GPG home directory"),
219                       _("WinPT Error"), MB_ERR);                       _("WinPT Error"), MB_ERR);
220              free_if_alloc (p);              free_if_alloc (p);
221              return (2);              return (2);
# Line 194  load_gpg_env (void) Line 224  load_gpg_env (void)
224      check_readonly_attr (p);      check_readonly_attr (p);
225      pkr = make_filename (p, "pubring", "gpg");      pkr = make_filename (p, "pubring", "gpg");
226      free_if_alloc (p);      free_if_alloc (p);
227      if (!pkr)      if (get_file_size (pkr) == 0)
228          return -1;          err = -1;
229      if (get_file_size (pkr) == 0) {      free_if_alloc (pkr);
230          free_if_alloc (pkr);      return err;
         return -1;  
     }  
     return 0;  
231  }  }
232    
233    
234  /* 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
235     keyring. if not, bail out because encryption won't work properly then. */     keyring. if not, bail out because encryption won't work properly then. */
236  static int  static int
237  check_default_key (gpg_keycache_t kc)  check_default_key (void)
238  {  {
239      gpgme_key_t key;      gpgme_key_t key;
240      gpgme_error_t err = gpg_error (GPG_ERR_NO_ERROR);      gpgme_error_t err = gpg_error (GPG_ERR_NO_ERROR);
241        gpg_keycache_t kc;
242      char *defkey;      char *defkey;
243    
244        kc = keycache_get_ctx (0);
245      defkey = get_gnupg_default_key ();      defkey = get_gnupg_default_key ();
246      if (defkey)      if (defkey != NULL) {
247          err = gpg_keycache_find_key (kc, defkey, 0, &key);          err = gpg_keycache_find_key (kc, defkey, 0, &key);
248      else          if (err) {
249          msg_box (NULL, _("No useable secret key found."),              free_if_alloc (defkey);
250                   _("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;  
251          }          }
         currdir[j] = 0;  
         _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  
252      }      }
253      return program;      else {
254            /* Actually this is just a warning but we still continue. */
255            msg_box (GetDesktopWindow (), _("No useable secret key found."),
256                     _("WinPT Warning"), MB_WARN);
257            return 0;
258        }
259    
260        /* Because the secret key listing has no information
261           about the validity/status, we need to check the public key. */
262        kc = keycache_get_ctx (1);
263        if (!gpg_keycache_find_key (kc, defkey, 0, &key) &&
264            (key->revoked || key->expired)) {
265            msg_box (GetDesktopWindow (), _("Default secret key is unuseable"),
266                     _("WinPT Warning"), MB_ERR);
267            free_if_alloc (defkey);
268            return -1;
269        }
270        free_if_alloc (defkey);
271        return 0;
272  }  }
273    
274    
# Line 267  check_crypto_engine (void) Line 282  check_crypto_engine (void)
282    
283      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
284      if (rc == -1) {      if (rc == -1) {
285          msg_box (NULL, _("Could not read GnuPG version."),          msg_box (GetDesktopWindow (), _("Could not read GnuPG version."),
286                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
287          return false;          return false;
288      }      }
289      else if (rc) {      else if (rc) {
290          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
291                   _("Sorry, you need a newer GPG version.\n"                   _("A newer GPG version is needed.\n"
292                     "GPG version %d.%d.%d required GPG version "NEED_GPG_VERSION),                     "Current GPG version %d.%d.%d, required "NEED_GPG_VERSION),
293                     ma, mi, pa);                     ma, mi, pa);
294          return false;          return false;
295      }      }
296      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */      
297      if (ma > 1 || pa >= 3)      // TODO: smart card support needs to be revamped
298        // and adjusted according to newer OpenPGP cards.
299        /*
300        if ((ma > 1 || pa >= 4) && pcsc_available ())
301          scard_support = 1;          scard_support = 1;
302        */
303        scard_support = 0;
304        
305      gpgver[0] = ma;      gpgver[0] = ma;
306      gpgver[1] = mi;      gpgver[1] = mi;
307      gpgver[2] = pa;      gpgver[2] = pa;
# Line 289  check_crypto_engine (void) Line 309  check_crypto_engine (void)
309  }  }
310    
311    
 /* Try to load the keyserver config file. If @quiet is 1  
    do not show any errors. */  
 static int  
 load_keyserver_conf (int quiet)  
 {  
     char *buf;  
     const char *t, *conf;  
     int rc;  
   
     /* Create $APPDATA\winpt if needed. */  
     buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL);  
     if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) {  
         MessageBox (NULL, _("Failed to create WinPT directory"),  
                     _("Keyserver"), MB_ERR);  
         free_if_alloc (buf);  
         return -1;  
     }  
     free_if_alloc (buf);  
   
     /* Check for $APPDATA\winpt\keyserver.conf */  
     buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL);  
   
     conf = get_prog_part ("keyserver.conf", 0);  
     if (!file_exist_check (conf))  
         t = conf;  
     else  
         t = "keyserver.conf";  
     if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) {  
         if (!CopyFile (t, buf, FALSE)) {  
             MessageBox (NULL, _("Failed to copy the keyserver.conf"),  
                         _("Keyserver"), MB_ERR);  
             free_if_alloc (buf);  
             return -1;  
         }  
         t = buf;  
     }  
     else  
         t = buf;  
       
     rc = kserver_load_conf (t);  
     if (rc && !quiet)  
         msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);  
     else {  
         free_if_alloc (reg_prefs.kserv_conf);  
         reg_prefs.kserv_conf = m_strdup (t);  
     }  
     free_if_alloc (buf);  
     return rc;  
 }  
   
312    
313  /* Check if both keyrings are empty. This indicates that  /* Check if both keyrings are empty. This indicates that
314     WinPT should offer to generate a key pair. */     WinPT should offer to generate a key pair. */
# Line 346  static bool Line 316  static bool
316  check_for_empty_keyrings (bool pub_only)  check_for_empty_keyrings (bool pub_only)
317  {  {
318      char *p;      char *p;
319      int n = 0;      int n;
320    
321        n=0;
322      p = get_gnupg_keyring (1, 0);      p = get_gnupg_keyring (1, 0);
323      if (file_exist_check (p) == 0 && get_file_size (p) == 0)      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
324          n++;          n++;
# Line 362  check_for_empty_keyrings (bool pub_only) Line 333  check_for_empty_keyrings (bool pub_only)
333  }  }
334    
335    
 /* Enable the mobility mode. */  
 static int  
 enable_mobile_mode (void)  
 {  
     if (dir_exist_check ("temp") != 0) {  
         if (!CreateDirectory ("temp", NULL)) {  
             MessageBox (NULL, "Could not create mobile temp directory",  
                         "WinPT Mobile Error", MB_ERR);  
             return -1;  
         }  
     }  
   
     memset (&reg_prefs, 0, sizeof (reg_prefs));  
     reg_prefs.always_trust = 0;  
     reg_prefs.auto_backup = 0;  
     reg_prefs.cache_time = 0;  
     reg_prefs.expert = 0;  
     reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
     reg_prefs.no_zip_mmedia = 1;  
     reg_prefs.use_tmpfiles = 1;  
     reg_prefs.word_wrap = 80;  
     reg_prefs.use_viewer = 0; /* XXX */  
     return 0;  
 }  
   
   
 void  
 set_default_keyserver (void)  
 {  
     char *host = get_reg_entry_keyserver ("Default");  
     char *str_port = get_reg_entry_keyserver ("Default_Port");  
     WORD port = HKP_PORT;  
   
     if (!host)  
         keyserver_set_default (NULL, 0);  
     else {  
         if (str_port && *str_port)  
             port = atoi (str_port);  
         keyserver_set_default (host, port);  
     }  
     free_if_alloc (host);  
     free_if_alloc (str_port);  
 }  
   
336    
337  /* Display info message that WinPT is now in debug mode. */  /* Display info message that WinPT is now in debug mode. */
338  void  void
339  winpt_debug_msg (void)  winpt_debug_msg (void)
340  {        {      
341      char output[512];      char output[512];
342      char temp[128];      char temp[MAX_PATH+1];
343                    
344      GetTempPath (sizeof temp -1, temp);      GetTempPath (DIM (temp) - 1, temp);
345      _snprintf (output, sizeof output - 1,      _snprintf (output, DIM (output)-1,
346          "The GPGME output file is %sgpgme.dbg\n"          "The GPGME output file is %sgpgme.dbg\n"
347          "The WinPT output file is %swinpt.log\n", temp, temp);          "The WinPT output file is %swinpt.log\n", temp, temp);
348      MessageBox (NULL, output, "WinPT now runs in DEBUG MODE", MB_INFO);      MessageBox (NULL, output, "WinPT now runs in DEBUG MODE", MB_INFO);
349  }  }
350    
351    
352  #include "wptKeyManager.h"  /* Search for insecure ElGamal keys and return the
353       number of founded keys. */
354    static int
355    count_insecure_elgkeys (void)
356    {
357        gpg_keycache_t pc;
358        gpgme_key_t key;
359    
360        int n = 0;
361        pc = keycache_get_ctx (1);
362        while (!gpg_keycache_next_key (pc, 0, &key)) {
363            if (key->subkeys->pubkey_algo == GPGME_PK_ELG)
364                n++;
365        }
366        gpg_keycache_rewind (pc);
367        return n;
368    }
369    
370    
371    /* 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)
# Line 432  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 398  WinMain (HINSTANCE hinst, HINSTANCE hpre
398      HACCEL accel_tab;      HACCEL accel_tab;
399      MSG msg;      MSG msg;
400      HWND hwnd = NULL;      HWND hwnd = NULL;
401      /*WORD ver[3], ptdver[4];*/      WORD ver[3], ptdver[4];
402        
403        const char *s;
404      int rc, ec, created = 0;      int rc, ec, created = 0;
405      int first_start = 0, start_gpgprefs = 0;      int first_start = 0, start_gpgprefs = 0;
406      int winpt_inst_found = 0;      int winpt_inst_found = 0;
407      int start_manager = 0;      int start_manager = 0;    
408      const char *s;      
409        log_debug("check OS version");
410        if (!check_os_version ())
411            return 0;
412        
413      glob_hinst = hinst;      glob_hinst = hinst;
414        
415        /* Allow to shutdown the process, for instance by an installer */
416      if (cmdline && stristr (cmdline, "--stop")) {      if (cmdline && stristr (cmdline, "--stop")) {
417          hwnd = FindWindow ("WinPT", "WinPT");          hwnd = FindWindow ("WinPT", "WinPT");
418          if (hwnd != NULL)          if (hwnd != NULL) {
419                log_debug("shutdown an existing WinPT process");
420              PostMessage (hwnd, WM_DESTROY, 0, 0);              PostMessage (hwnd, WM_DESTROY, 0, 0);
421            }
422          return 0;          return 0;
423      }      }
   
     #ifdef _DEBUG  
     gpg_set_debug_mode (1);  
     debug = 1;  
     #endif  
   
     /* XXX  
     get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);  
     get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],  
                                  &ptdver[2], &ptdver[3]);  
424            
425      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {      /* KLUDGE: test if the hooking is causing problems with some AV programs */
426        if (cmdline && stristr (cmdline, "--disable-hook"))
427            disable_hook = 1;
428            
429    
430        log_debug("check PTD and GPGME version");
431        get_file_version ("winpt.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
432        ec = get_file_version ("PTD.dll", &ptdver[0], &ptdver[1], &ptdver[2], &ptdver[3]);
433        if (!ec && (ptdver[0] != ver[0] || ptdver[1] != ver[1] || ptdver[2] != ver[2])) {
434          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
435                   _("The PTD.dll file has a different version than WinPT.exe\n"                   _("The PTD.dll file has a different version than WinPT.exe\n"
436                     "Please update the PTD.dll to version %d.%d.%d"),                     "Please update the PTD.dll to version %d.%d.%d"),
437                     ver[0], ver[1], ver[2]);                     ver[0], ver[1], ver[2]);
438          return 0;          return 0;
439      }      }
     */  
   
     if (gpg_md_selftest ()) {  
         msg_box (NULL, _("Cryptographic selftest failed."),  
                  _("WinPT Error"), MB_ERR);  
         return 0;  
     }  
440    
441      s = gpgme_check_version (NEED_GPGME_VERSION);      s = gpgme_check_version (NEED_GPGME_VERSION);
442      if (!s || !*s) {      if (!s || !*s) {
443          msg_box (NULL, _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),          msg_box (GetDesktopWindow (),
444                     _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
445                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
446          return 0;          return 0;
447      }      }
# Line 482  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 449  WinMain (HINSTANCE hinst, HINSTANCE hpre
449      CreateMutex (NULL, TRUE, PGM_NAME);      CreateMutex (NULL, TRUE, PGM_NAME);
450      if (GetLastError () == ERROR_ALREADY_EXISTS)      if (GetLastError () == ERROR_ALREADY_EXISTS)
451          winpt_inst_found = 1;          winpt_inst_found = 1;
   
     if (cmdline && stristr (cmdline, "--mobile")) {  
         msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",  
                  "WinPT", MB_INFO);  
         mobile_mode_active = 1;  
     }  
452            
453      set_default_keyserver ();      gettext_set_user_domain ();
454      load_gettext ();  
455      admin_user = user_is_admin ();      regist_inst_gnupg (1);
456        regist_inst_winpt (1, &created);
     if (!mobile_mode_active) {  
         regist_inst_gnupg (1);  
         regist_inst_winpt (1, &created);  
     }  
     else {  
         if (enable_mobile_mode ())  
             return 0;  
         created = 1; /* Disable registry writing */  
     }  
457    
458      if (!created) {      if (!created) {
459          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 */  
460          get_reg_winpt_prefs (&reg_prefs);          get_reg_winpt_prefs (&reg_prefs);
461          gnupg_load_config ();          reg_prefs.fm.progress = 0; /* TODO: fix the bug and enable it again */
462            if (gnupg_load_config () == -2)
463                msg_box (GetDesktopWindow (),
464                         _("The gpg.conf file contains the 'textmode' option\n"
465                           "which leads to broken binary output during decryption.\n"
466                           "If this is on purpose, just continue otherwise the option should be disabled."),
467                         _("WinPT Error"), MB_ERR);
468      }      }
469    
470      if (is_gpg4win_installed ())      if (is_gpg4win_installed ()) {
471          load_gpg_env (); /* XXX: check return code. */          log_debug("gpg4win: load gpg environment");
472            load_gpg_env (); /* TODO: check return code. */
473        }
474    
475      rc = gnupg_check_homedir ();      rc = gnupg_check_homedir ();
476      if (rc) {      if (rc) {  
477          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
478                   _("GPG home directory is not set correctly.\n"                   _("GPG home directory is not set correctly.\n"
479                     "Please check the GPG registry settings:\n%s."),                     "Please check the GPG registry settings:\n%s."),
# Line 524  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 482  WinMain (HINSTANCE hinst, HINSTANCE hpre
482                                _("Select GPG Public Keyring"),                                _("Select GPG Public Keyring"),
483                                "GPG Keyrings (*.gpg)\0*.gpg\0\0",                                "GPG Keyrings (*.gpg)\0*.gpg\0\0",
484                                NULL);                                NULL);
485          if (s != NULL) {          
486              size_t n;          char * p;
487              char *p = strrchr (s, '\\');          if (s != NULL && (p = strrchr (s, '\\'))) {
488              if (!p)              char *path = substr (s, 0, (p-s));
489                  BUG (0);  
490              n = p - s;              set_reg_entry_gpg ("HomeDir", path);
491              if (n) {              free_if_alloc (path);
                 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 */  
             }  
492          }          }
493          else {          else {
494              msg_box (NULL, _("GPG home directory could not be determited."),              msg_box (GetDesktopWindow (),
495                         _("GPG home directory could not be determined."),
496                       _("WinPT Error"), MB_ERR);                       _("WinPT Error"), MB_ERR);
497              goto start;              goto start;
498          }          }
# Line 551  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 500  WinMain (HINSTANCE hinst, HINSTANCE hpre
500    
501      rc = check_gnupg_prog ();      rc = check_gnupg_prog ();
502      if (rc) {      if (rc) {
503          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"          if (msg_box (GetDesktopWindow (),
504                               "Do you want to start the GPG preferences to "                       _("Could not find the GPG binary (gpg.exe).\n"
505                               "correct  this problem?"), _("WinPT Error"),                         "Do you want to start the GPG preferences to "
506                               MB_INFO|MB_YESNO) == IDYES)                         "correct  this problem?"), _("WinPT Error"),
507                         MB_INFO|MB_YESNO) == IDYES)
508              start_gpgprefs = 1;              start_gpgprefs = 1;
509          else {          else {
510              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);              msg_box (GetDesktopWindow (),
511                         winpt_strerror (rc), _("WinPT Error"), MB_ERR);
512              return 0;              return 0;
513          }          }
514      }      }
# Line 565  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 516  WinMain (HINSTANCE hinst, HINSTANCE hpre
516      rc = gnupg_access_files ();      rc = gnupg_access_files ();
517      if (!start_gpgprefs && rc) {      if (!start_gpgprefs && rc) {
518          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
519              ec = msg_box (NULL,              ec = msg_box (GetDesktopWindow (),
520                  _("Could not access and/or find the public and secret keyring.\n"                  _("Could not access and/or find the public and secret keyring.\n"
521                    "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"
522                    "Continue if you want that WinPT offers you more choices.\n"),                    "Continue if you want WinPT to offer you more choices.\n"),
523                    "WinPT", MB_INFO|MB_YESNO);                    "WinPT", MB_INFO|MB_YESNO);
524              if (ec == IDYES)              if (ec == IDYES)
525                  first_start = 1;                  first_start = 1;
526          }          }
527          if (!first_start) {          if (!first_start) {
528              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);              msg_box (GetDesktopWindow (), winpt_strerror (rc), _("WinPT Error"), MB_ERR);
529              return 0;              return 0;
530          }          }
531      }      }
# Line 583  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 534  WinMain (HINSTANCE hinst, HINSTANCE hpre
534    
535      if (!first_start) {      if (!first_start) {
536          rc = gpg_check_permissions (1);          rc = gpg_check_permissions (1);
537          if (rc && rc == 2)          if (rc && rc == 2) /* 2 means read-only mode. */
538              gpg_read_only = 1;              gpg_read_only = 1;
539          else if (rc)          else if (rc)
540              return 0;              return 0;
# Line 596  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 547  WinMain (HINSTANCE hinst, HINSTANCE hpre
547          return 0;          return 0;
548      }      }
549    
550      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      rc = kserver_load_conf ();
551          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,      if (rc)
552                              GetDesktopWindow(), space_wipefrees_dlg_proc, 0,          msg_box (GetDesktopWindow (), winpt_strerror (rc),
553                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);                   _("Keyserver"), MB_ERR);
         free_gnupg_table ();  
         return 0;  
     }  
   
     load_keyserver_conf (cmdline? 1 : 0);  
554    
555      if (cmdline && (stristr (cmdline, "--keymanager")      if (cmdline && (stristr (cmdline, "--keymanager")
556                  || stristr (cmdline, "--cardmanager"))) {                  || stristr (cmdline, "--cardmanager"))) {
557          /* If an instance of WinPT is running, just send the command          /* If an instance of WinPT is running, just send the command
558             to open the key manager. Otherwise start a new instance.             to open the key manager. Otherwise start a new instance. */
          */  
559          HWND tray = FindWindow ("WinPT", "WinPT");          HWND tray = FindWindow ("WinPT", "WinPT");
560          if (stristr (cmdline, "keymanager"))          if (stristr (cmdline, "keymanager"))
561              start_manager = ID_WINPT_KEY;              start_manager = ID_WINPT_KEY;
# Line 641  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 586  WinMain (HINSTANCE hinst, HINSTANCE hpre
586      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
587      rc = RegisterClass (&wc);      rc = RegisterClass (&wc);
588      if (rc == FALSE) {      if (rc == FALSE) {
589          msg_box (NULL, _("Could not register window class"),          msg_box (GetDesktopWindow (), _("Could not register window class"),
590                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
591          free_gnupg_table ();          free_gnupg_table ();
592          return 0;          return 0;
# Line 655  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 600  WinMain (HINSTANCE hinst, HINSTANCE hpre
600                           hinst,                           hinst,
601                           NULL);                           NULL);
602      if (hwnd == NULL) {      if (hwnd == NULL) {
603          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);          msg_box (GetDesktopWindow (),
604                     _("Could not create window"),
605                     _("WinPT Error"), MB_ERR);
606          free_gnupg_table ();          free_gnupg_table ();
607          return 0;          return 0;
608      }      }
# Line 663  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 610  WinMain (HINSTANCE hinst, HINSTANCE hpre
610      UpdateWindow (hwnd);      UpdateWindow (hwnd);
611    
612      if (!first_start && !start_gpgprefs) {      if (!first_start && !start_gpgprefs) {
613            log_debug("backup gpg config file and check back-end");
614          gnupg_backup_options ();                  gnupg_backup_options ();        
615          if (!check_crypto_engine ()) {          if (!check_crypto_engine ()) {
616              DestroyWindow (hwnd);              DestroyWindow (hwnd);
# Line 675  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 623  WinMain (HINSTANCE hinst, HINSTANCE hpre
623          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
624                          gpgprefs_dlg_proc, 0);                          gpgprefs_dlg_proc, 0);
625          if (check_for_empty_keyrings (true))          if (check_for_empty_keyrings (true))
626              first_start = 1; /* The public keyring is empty! */              first_start = 1; /* The public keyring is empty. */
627      }      }
628    
629      if (first_start) {      if (first_start) {
# Line 707  start: Line 655  start:
655              }              }
656              break;              break;
657    
658            case SETUP_EXISTING:
659                rc = gnupg_import_keypair ();
660                if (rc) {
661                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
662                    goto start;
663                }
664                break;
665    
666            case SETUP_CARDGEN:
667                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_CARD_KEYGEN,
668                                     h, card_keygen_dlg_proc, 0);
669                if (!rc)
670                    goto start;
671                break;
672    
673          case 0: /* Cancel/Abort. */          case 0: /* Cancel/Abort. */
674          default:          default:
675              DestroyWindow (hwnd);              DestroyWindow (hwnd);
# Line 717  start: Line 680  start:
680          if (!check_crypto_engine ()) {          if (!check_crypto_engine ()) {
681              DestroyWindow (hwnd);              DestroyWindow (hwnd);
682              free_gnupg_table ();              free_gnupg_table ();
683                keycache_release (1);
684              return 0;              return 0;
685          }          }
         if (!is_gpg4win_installed ()) {  
             select_language ();  
             load_gettext ();  
         }  
686      }      }
687      else {      else {
688          gpg_keycache_t c, sec_c;          gpg_keycache_t c;
689          update_keycache (hwnd);          if (update_keycache (hwnd)) {
690                DestroyWindow (hwnd);
691                free_gnupg_table ();
692                keycache_release (1);
693                return 0;
694            }
695            /* XXX: rewrite this part. */
696          c = keycache_get_ctx (1);          c = keycache_get_ctx (1);
697          if (!c || !gpg_keycache_get_size (c)) {          if (!gpg_keycache_get_size (c)) {
             gnupg_display_error ();  
698              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
699                               "Please check your GPG config (keyrings, pathes...)"),                               "Please check your GPG config (keyrings, pathes...)"),
700                               _("WinPT Error"), MB_ERR);                               _("WinPT Error"), MB_ERR);
701              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"              ec = msg_box (GetDesktopWindow (),
702                                    "Do you want to start the GPG preferences dialog?"),                            _("It seems that GPG is not configured properly.\n"
703                              "WinPT", MB_INFO|MB_YESNO);                              "Do you want to start the GPG preferences dialog?"),
704                              "WinPT", MB_INFO|MB_YESNO);
705              if (ec == IDYES) {              if (ec == IDYES) {
706                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
707                                  gpgprefs_dlg_proc, 0);                                  gpgprefs_dlg_proc, 0);
# Line 744  start: Line 710  start:
710              else {              else {
711                  DestroyWindow (hwnd);                  DestroyWindow (hwnd);
712                  free_gnupg_table ();                  free_gnupg_table ();
713                    keycache_release (1);
714                  return 0;                  return 0;
715              }              }
716          }          }      
717          sec_c = keycache_get_ctx (0);          if (check_default_key ()) {
         if (check_default_key (sec_c)) {  
718              char *p = get_gnupg_default_key ();              char *p = get_gnupg_default_key ();
719              log_box (_("WinPT Error"), MB_ERR,              log_box (_("WinPT Error"), MB_ERR,
720                       _("Default key (from the GPG config file) could not be found.\n"                       _("Default key (from the GPG config file) could not be found or is unuseable.\n"
721                         "Please check your gpg.conf or set a new default key to correct it:\n\n"                         "The default key will be resetted and can be set later in the Key Manager again.\n\n"
722                         "%s: public key not found."), p? p : "[null]");                         "%s: secret key not found."), p? p : "?");
723              set_gnupg_default_key (NULL);              set_gnupg_default_key (NULL);
724                free_if_alloc (p);
725          }          }
726          if (count_insecure_elgkeys ())          if (count_insecure_elgkeys ())
727              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
728                              elgamal_warn_dlg_proc, 0);                              elgamal_warn_dlg_proc, 0);
729      }      }
730      
731      if (start_manager)      if (start_manager)
732          PostMessage (hwnd, WM_COMMAND, start_manager, 0);          PostMessage (hwnd, WM_COMMAND, start_manager, 0);
733    
# Line 772  start: Line 739  start:
739              DispatchMessage (&msg);              DispatchMessage (&msg);
740          }          }
741      }      }
742                
743      return 0;      return 0;
744  }  }
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