/[winpt]/trunk/Src/WinPT.cpp
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Diff of /trunk/Src/WinPT.cpp

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revision 159 by twoaday, Wed Jan 18 13:57:31 2006 UTC revision 271 by twoaday, Sun Nov 5 08:57:45 2006 UTC
# Line 40  Line 40 
40  #include "wptContext.h"  #include "wptContext.h"
41  #include "wptCardEdit.h"  #include "wptCardEdit.h"
42  #include "wptCrypto.h"  #include "wptCrypto.h"
43    #include "wptUTF8.h"
44    
45    void remove_crit_file_attrs (const char *fname, int force);
46    BOOL user_is_admin (void);
47    extern "C" int  pcsc_available (void);
48    
49    /* Global variables. */
50  HINSTANCE glob_hinst;   /* global instance for the dialogs */  HINSTANCE glob_hinst;   /* global instance for the dialogs */
51  HWND glob_hwnd;         /* global window handle for the dialogs */  HWND glob_hwnd;         /* global window handle for the dialogs */
 HWND activ_hwnd;  
52  int scard_support = 0;  int scard_support = 0;
53  int debug = 0;  int debug = 0;
 int mobile = 0;  
54  int gpg_read_only = 0;  int gpg_read_only = 0;
55    int admin_user = 0;
56  char gpgver[3];  char gpgver[3];
57    /* End */
58    
59    
60  /* Load the key cache and rebuild the signature cache. */  /* Load the key cache and rebuild the signature cache. */
61  static void  int
62  update_keycache (HWND hwnd)  update_keycache (HWND hwnd)
63  {  {
64        int err;
65    
66      refresh_cache_s rcs = {0};      refresh_cache_s rcs = {0};
67      rcs.kr_reload = 0;      rcs.kr_reload = 0;
68      rcs.kr_update = 1;      rcs.kr_update = 1;
69      rcs.tr_update = 1;      rcs.tr_update = 1;
70      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,      err = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
71                      keycache_dlg_proc, (LPARAM)&rcs);                      keycache_dlg_proc, (LPARAM)&rcs);
72        if (err) {
73            char *cfgf = get_gnupg_config ();
74            if (cfgf && check_gnupg_options (cfgf, 0) == WPTERR_FILE_EXIST)
75                msg_box (NULL, _("The gpg.conf contains at least one argument which points to a non-existing file."), "WinPT", MB_ERR);
76            free_if_alloc (cfgf);
77            return -1;
78        }
79        return 0;
80  }  }
81    
82    
83  /* 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. */
84  void  void
85  gpg_set_debug_mode (int val)  gpg_set_debug_mode (int val)
86  {        {
87      if (val)      static char buf[256];
88          putenv ("GPGME_DEBUG=5:gpgme.dbg");      char tmp[128];
89        
90        /* XXX: no gpgme.dbg is created. */
91        if (val > 0) {
92            GetTempPath (DIM (tmp)-1, tmp);
93            _snprintf (buf, DIM (buf)-1, "GPGME_DEBUG=5:%sgpgme.dbg", tmp);
94            putenv (buf);
95        }
96      else      else
97          putenv ("GPGME_DEBUG=");          putenv ("GPGME_DEBUG=");
98  }  }
99    
100    
 /* Return the name of the gettext language file. */  
 static char*  
 get_gettext_lang (void)  
 {      
     char *fname;  
     fname = get_reg_entry_mo ();  
     if (!fname)  
         return NULL;  
     return fname;  
 }  
   
   
101  /* Initialize the gettext sub system. */  /* Initialize the gettext sub system. */
102  static void  static void
103  load_gettext (int prev_inst)  load_gettext (void)
104  {  {
105      char *nls = NULL;      char *nls;
106    
107      nls = get_gettext_lang ();      /* Return the name of the gettext language file. */
108        nls = get_reg_entry_mo ();
109      if (nls != NULL) {      if (nls != NULL) {
110          set_gettext_file ("winpt", nls);          set_gettext_file ("winpt", nls);
111          free_if_alloc (nls);          free_if_alloc (nls);
# Line 102  load_gettext (int prev_inst) Line 113  load_gettext (int prev_inst)
113  }  }
114    
115    
116    /* Return true if the GPG environment is useable. */
117    static bool
118    gpg_prefs_ok (void)
119    {
120        char *p;
121    
122        p = get_reg_entry_gpg4win ("gpg.exe");
123        if (!p || file_exist_check (p) != 0) {
124            free_if_alloc (p);
125            p = get_reg_entry_gpg ("gpgProgram");
126            if (!p || file_exist_check (p) != 0) {
127                free_if_alloc (p);
128                log_debug ("gpg_prefs_ok: could not locate gpg.exe");
129                return false;
130            }
131        }
132        free_if_alloc (p);
133        p = get_reg_entry_gpg4win (NULL);
134        if (!p || dir_exist_check (p) != 0) {
135            free_if_alloc (p);
136            p = get_reg_entry_gpg ("HomeDir");
137            if (!p || dir_exist_check (p) != 0) {
138                free_if_alloc (p);
139                log_debug ("gpg_prefs_ok: could not determine home directory");
140                return false;
141            }
142        }
143        free_if_alloc (p);
144        return true;
145    }
146    
147    
148    /* Check gpg files if they are read-only and ask the user
149       if this should be corrected. */
150    static void
151    check_readonly_attr (const char *homedir)
152    {
153        const char *files[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg", NULL};
154        char *file;
155        int i;
156    
157        for (i=0; files[i] != NULL; i++) {
158            file = make_filename (homedir, files[i], NULL);
159            remove_crit_file_attrs (file, 0);
160            free_if_alloc (file);
161        }
162    }
163    
164    
165  /* Load the GPG environment. On the first start, some  /* Load the GPG environment. On the first start, some
166     checks are performed to find out in what state GPG is.     checks are performed to find out in what state GPG is.
167     Return value: 0  everything OK.     Return value: 0  everything OK.
# Line 113  load_gpg_env (void) Line 173  load_gpg_env (void)
173      SECURITY_ATTRIBUTES sec_attr;      SECURITY_ATTRIBUTES sec_attr;
174      char *p;      char *p;
175      char *pkr;      char *pkr;
176        int err = 0;
177    
178      p = get_reg_entry_gpg4win ("gpg.exe");      p = get_reg_entry_gpg4win ("gpg.exe");
179      if (!p)      if (!p)
# Line 122  load_gpg_env (void) Line 183  load_gpg_env (void)
183          return (1);          return (1);
184      }      }
185      free_if_alloc (p);      free_if_alloc (p);
186      p = multi_gnupg_path (0);  
187        p = get_reg_entry_gpg ("HomeDir");
188        if (!p || dir_exist_check (p) != 0) {
189            free_if_alloc (p);
190            p = multi_gnupg_path (0);
191        }
192      if (p && dir_exist_check (p)) {      if (p && dir_exist_check (p)) {
193          memset (&sec_attr, 0, sizeof (sec_attr));          memset (&sec_attr, 0, sizeof (sec_attr));
194          sec_attr.nLength = sizeof (sec_attr);          sec_attr.nLength = sizeof (sec_attr);
# Line 133  load_gpg_env (void) Line 199  load_gpg_env (void)
199              return (2);              return (2);
200          }          }
201      }      }
202        check_readonly_attr (p);
203      pkr = make_filename (p, "pubring", "gpg");      pkr = make_filename (p, "pubring", "gpg");
204      free_if_alloc (p);      free_if_alloc (p);
205      if (!pkr)      if (get_file_size (pkr) == 0)
206          return -1;          err = -1;
207      if (get_file_size (pkr) == 0) {      free_if_alloc (pkr);
208          free_if_alloc (pkr);      return err;
         return -1;  
     }  
     return 0;  
209  }  }
210    
211    
# Line 151  static int Line 215  static int
215  check_default_key (gpg_keycache_t kc)  check_default_key (gpg_keycache_t kc)
216  {  {
217      gpgme_key_t key;      gpgme_key_t key;
218      gpgme_error_t err = GPG_ERR_NO_ERROR;      gpgme_error_t err = gpg_error (GPG_ERR_NO_ERROR);
219      char *defkey;      char *defkey;
220    
221      defkey = get_gnupg_default_key ();      defkey = get_gnupg_default_key ();
# Line 159  check_default_key (gpg_keycache_t kc) Line 223  check_default_key (gpg_keycache_t kc)
223          err = gpg_keycache_find_key (kc, defkey, 0, &key);          err = gpg_keycache_find_key (kc, defkey, 0, &key);
224      else      else
225          msg_box (NULL, _("No useable secret key found."),          msg_box (NULL, _("No useable secret key found."),
226                   _("WinPT Error"), MB_ERR);                   _("WinPT Warning"), MB_WARN);
227      free_if_alloc (defkey);      free_if_alloc (defkey);
228      return err? -1 : 0;      return err? -1 : 0;
229  }  }
# Line 169  check_default_key (gpg_keycache_t kc) Line 233  check_default_key (gpg_keycache_t kc)
233  static const char*  static const char*
234  get_prog_part (const char * fname, int use_cwd)  get_prog_part (const char * fname, int use_cwd)
235  {  {
236      static char program[512];      static char program[2*MAX_PATH+1];
237      char currdir[256];      char currdir[MAX_PATH+1];
238      char *cmd = NULL;      char *cmd = NULL;
239      int j;      int j;
240                    
# Line 183  get_prog_part (const char * fname, int u Line 247  get_prog_part (const char * fname, int u
247      }      }
248      else {      else {
249          cmd = GetCommandLine ();          cmd = GetCommandLine ();
250          if (cmd == NULL)          if (!cmd)
251              return NULL;              return NULL;
252          strncpy (currdir, cmd, sizeof (currdir)-1);          strncpy (currdir, cmd, DIM (currdir)-1);
253          j = strlen (currdir);          j = strlen (currdir);
254          while (j--) {          while (j--) {
255              if (currdir[j] == '\\')              if (currdir[j] == '\\')
# Line 203  get_prog_part (const char * fname, int u Line 267  get_prog_part (const char * fname, int u
267  static bool  static bool
268  check_crypto_engine (void)  check_crypto_engine (void)
269  {  {
270      int ma=0, mi=0, pa=0;      int ma = 0, mi = 0, pa = 0;
271      int rc;      int rc;
272    
273      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
# Line 219  check_crypto_engine (void) Line 283  check_crypto_engine (void)
283                     ma, mi, pa);                     ma, mi, pa);
284          return false;          return false;
285      }      }
286      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */      /* Enable smart card support for GPG 2 or >= 1.4 */
287      if (ma > 1 || pa >= 3)          if ((ma > 1 || pa >= 4) && pcsc_available ())
288          scard_support = 1;          scard_support = 1;
289    
290      gpgver[0] = ma;      gpgver[0] = ma;
# Line 234  check_crypto_engine (void) Line 298  check_crypto_engine (void)
298     do not show any errors. */     do not show any errors. */
299  static int  static int
300  load_keyserver_conf (int quiet)  load_keyserver_conf (int quiet)
301  {  {    
302        const char *t, *conf;
303      char *buf;      char *buf;
     const char *t;  
304      int rc;      int rc;
305    
306        #ifdef WINPT_MOBILE
307        /* In mobile mode we automatically assume the config file
308           in the current directory. */
309        return kserver_load_conf ("keyserver.conf");
310        #endif
311    
312      /* Create $APPDATA\winpt if needed. */      /* Create $APPDATA\winpt if needed. */
313      buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL);      buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL);
314      if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) {      if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) {
# Line 252  load_keyserver_conf (int quiet) Line 322  load_keyserver_conf (int quiet)
322      /* Check for $APPDATA\winpt\keyserver.conf */      /* Check for $APPDATA\winpt\keyserver.conf */
323      buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL);      buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL);
324    
325      if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      conf = get_prog_part ("keyserver.conf", 0);
326          t = get_prog_part ("keyserver.conf", 0);      if (!file_exist_check (conf))
327            t = conf;
328      else      else
329          t = "keyserver.conf";          t = "keyserver.conf";
330      if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) {      if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) {
         //log_box (_("Keyserver"), MB_INFO,  
         //       _("keyserver.conf will be copied to \"%s\"\r\n"), buf);  
331          if (!CopyFile (t, buf, FALSE)) {          if (!CopyFile (t, buf, FALSE)) {
332              MessageBox (NULL, _("Failed to copy the keyserver.conf"),              MessageBox (NULL, _("Failed to copy the keyserver.conf"),
333                          _("Keyserver"), MB_ERR);                          _("Keyserver"), MB_ERR);
# Line 304  check_for_empty_keyrings (bool pub_only) Line 373  check_for_empty_keyrings (bool pub_only)
373  }  }
374    
375    
376  /* Enable the mobility mode. */  #ifdef WINPT_MOBILE
377  static void  /* Enable the mobile mode if possible.
378       There are some constraints which must be fullfilled.
379       Return value: 0 on success. */
380    static int
381  enable_mobile_mode (void)  enable_mobile_mode (void)
382  {  {
383      memset (&reg_prefs, 0, sizeof (reg_prefs));      static const char *test_fname = "winpt_mobile_test.txt";
384      reg_prefs.always_trust = 0;      FILE *fp;
385      reg_prefs.auto_backup = 0;      char *pubring;
386      reg_prefs.cache_time = 0;      ULARGE_INTEGER caller, total;
387      reg_prefs.expert = 0;      DWORD temp_size;
388      reg_prefs.keylist_mode = 1;  
389      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");      fp = fopen (test_fname, "wb");
390      reg_prefs.no_zip_mmedia = 1;      if (fp == NULL) {
391      reg_prefs.use_tmpfiles = 1;          MessageBox (NULL, "Mobile mode cannot be used without write permission\n"
392      reg_prefs.word_wrap = 80;                            "for the current directory", "WinPT Error", MB_ERR);
393      reg_prefs.use_viewer = 0; /* XXX */              
394            return -1;
395        }
396        fclose (fp);
397        DeleteFile (test_fname);
398        if (file_exist_check ("gpg.exe")) {
399            MessageBox (NULL, "The GnuPG program needs to be in the same directory\n"
400                              "as the WinPT program", "WinPT Error", MB_ERR);
401            return -1;
402        }
403        
404        /* Because write operations to the keyring result in a temporary
405           file, we need at least 2 MB plus the size of the keyring for
406           free space. */
407        pubring = get_gnupg_keyring (1);
408        temp_size = get_file_size (pubring) + 2097152;
409        free_if_alloc (pubring);
410    
411        if (!GetDiskFreeSpaceEx (NULL, &caller, &total, NULL) ||
412            caller.LowPart < temp_size) {
413            log_box ("WinPT Error", MB_ERR,
414                     "The mobile mode needs at least %lu KB for temporary files",
415                     temp_size/1024);
416            return -1;
417        }
418    
419        /* XXX: shall we check for 'temp-directory' in the gpg.conf? */
420    
421        return 0;
422    }
423    #endif
424    
425    
426    /* Set the default keyserver for this instance. */
427    void
428    set_default_keyserver (void)
429    {
430        char *host = get_reg_entry_keyserver ("Default");
431        char *str_port = get_reg_entry_keyserver ("Default_Port");
432        WORD port = HKP_PORT;
433    
434        if (!host)
435            keyserver_set_default (NULL, 0);
436        else {
437            if (str_port && *str_port)
438                port = atoi (str_port);
439            keyserver_set_default (host, port);
440        }
441        free_if_alloc (host);
442        free_if_alloc (str_port);
443    }
444    
445    
446    /* Display info message that WinPT is now in debug mode. */
447    void
448    winpt_debug_msg (void)
449    {      
450        char output[512];
451        char temp[128];
452            
453        GetTempPath (DIM (temp) -1, temp);
454        _snprintf (output, DIM (output)-1,
455            "The GPGME output file is %sgpgme.dbg\n"
456            "The WinPT output file is %swinpt.log\n", temp, temp);
457        MessageBox (NULL, output, "WinPT now runs in DEBUG MODE", MB_INFO);
458    }
459    
460    
461    /* Search for insecure ElGamal keys and return the
462       number of founded keys. */
463    static int
464    count_insecure_elgkeys (void)
465    {
466        gpg_keycache_t pc;
467        gpgme_key_t key;
468        int n = 0;
469    
470        pc = keycache_get_ctx (1);
471        while (!gpg_keycache_next_key (pc, 0, &key)) {
472            if (key->subkeys->pubkey_algo == GPGME_PK_ELG)
473                n++;
474        }
475        gpg_keycache_rewind (pc);
476        return n;
477  }  }
478    
479    
# Line 331  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 486  WinMain (HINSTANCE hinst, HINSTANCE hpre
486      MSG msg;      MSG msg;
487      HWND hwnd = NULL;      HWND hwnd = NULL;
488      WORD ver[3], ptdver[4];      WORD ver[3], ptdver[4];
489        const char *s;
490      int rc, ec, created = 0;      int rc, ec, created = 0;
491      int first_start = 0, start_gpgprefs = 0;      int first_start = 0, start_gpgprefs = 0;
492      int winpt_inst_found = 0;      int winpt_inst_found = 0;
493      int start_manager = 0;      int start_manager = 0;    
494      const char *s;  
495    #ifdef WINPT_MOBILE
496        /* Do not continue in case of problems. */
497        if (enable_mobile_mode ())
498            return 0;
499    #endif
500    
501      glob_hinst = hinst;      glob_hinst = hinst;
502      if (cmdline && stristr (cmdline, "--stop")) {      if (cmdline && stristr (cmdline, "--stop")) {
# Line 345  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 506  WinMain (HINSTANCE hinst, HINSTANCE hpre
506          return 0;          return 0;
507      }      }
508    
     /*  
     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);  
     }  
     */  
   
509      #ifdef _DEBUG      #ifdef _DEBUG
510      gpg_set_debug_mode (1);      gpg_set_debug_mode (1);
511      debug = 1;      debug = 1;
512      #endif      #endif
513    
514      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
515      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],      ec = get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],  
516                                   &ptdver[2], &ptdver[3]);                                   &ptdver[2], &ptdver[3]);
517      /* XXX      
518      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {      if (!ec && (ptdver[0] != ver[0] ||
519                    ptdver[1] != ver[1] ||
520                    ptdver[2] != ver[2])) {
521          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
522                   _("The PTD.dll file has a different version than WinPT.exe\n"                   _("The PTD.dll file has a different version than WinPT.exe\n"
523                     "Please update the PTD.dll to version %d.%d.%d"),                     "Please update the PTD.dll to version %d.%d.%d"),
524                     ver[0], ver[1], ver[2]);                     ver[0], ver[1], ver[2]);
525          return 0;          return 0;
526      }      }
     */  
527    
528      if (gpg_md_selftest ()) {      if (gpg_md_selftest ()) {
529          msg_box (NULL, _("Cryptographic selftest failed."),          msg_box (NULL, _("Cryptographic selftest failed."),
# Line 390  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 541  WinMain (HINSTANCE hinst, HINSTANCE hpre
541      CreateMutex (NULL, TRUE, PGM_NAME);      CreateMutex (NULL, TRUE, PGM_NAME);
542      if (GetLastError () == ERROR_ALREADY_EXISTS)      if (GetLastError () == ERROR_ALREADY_EXISTS)
543          winpt_inst_found = 1;          winpt_inst_found = 1;
544        
545        set_default_keyserver ();
546        load_gettext ();
547        admin_user = user_is_admin ();
548    
549      if (cmdline && stristr (cmdline, "--mobile")) {      regist_inst_gnupg (1);
550          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 */  
     }  
551    
552      if (!created) {      if (!created) {
553          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 */  
554          get_reg_winpt_prefs (&reg_prefs);          get_reg_winpt_prefs (&reg_prefs);
555          if (!reg_prefs.no_hotkeys)          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
             hotkeys_modify ();  
556          gnupg_load_config ();          gnupg_load_config ();
557      }      }
558    
# Line 425  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 561  WinMain (HINSTANCE hinst, HINSTANCE hpre
561    
562      rc = gnupg_check_homedir ();      rc = gnupg_check_homedir ();
563      if (rc) {      if (rc) {
564            char *p;
565    
566          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
567                   _("GPG home directory is not set correctly.\n"                   _("GPG home directory is not set correctly.\n"
568                     "Please check the GPG registry settings:\n%s."),                     "Please check the GPG registry settings:\n%s."),
569                   winpt_strerror (rc));                   winpt_strerror (rc));
570          s = get_fileopen_dlg (GetActiveWindow (),          s = get_fileopen_dlg (GetActiveWindow (),
571                                _("Select GPG Public Keyring"),                                _("Select GPG Public Keyring"),
572                                _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),                                "GPG Keyrings (*.gpg)\0*.gpg\0\0",
573                                NULL);                                NULL);
574          if (s != NULL) {          if (s != NULL && (p=strrchr (s, '\\'))) {
575              size_t n;              char *path = substr (s, 0, (p-s));
576              char *p = strrchr (s, '\\');  
577              if (!p)              set_reg_entry_gpg ("HomeDir", path);
578                  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 */  
             }  
579          }          }
580          else {          else {
581              msg_box (NULL, _("GPG home directory could not be determited."),              msg_box (NULL, _("GPG home directory could not be determined."),
582                       _("WinPT Error"), MB_ERR);                       _("WinPT Error"), MB_ERR);
583              goto start;              goto start;
584          }          }
# Line 477  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 603  WinMain (HINSTANCE hinst, HINSTANCE hpre
603              ec = msg_box (NULL,              ec = msg_box (NULL,
604                  _("Could not access and/or find the public and secret keyring.\n"                  _("Could not access and/or find the public and secret keyring.\n"
605                    "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"
606                    "Continue if you want that WinPT offers you more choices.\n"),                    "Continue if you want WinPT to offer you more choices.\n"),
607                    "WinPT", MB_INFO|MB_YESNO);                    "WinPT", MB_INFO|MB_YESNO);
608              if (ec == IDYES)              if (ec == IDYES)
609                  first_start = 1;                  first_start = 1;
# Line 492  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 618  WinMain (HINSTANCE hinst, HINSTANCE hpre
618    
619      if (!first_start) {      if (!first_start) {
620          rc = gpg_check_permissions (1);          rc = gpg_check_permissions (1);
621          if (rc && rc == 2)          if (rc && rc == 2) /* 2 means read-only mode. */
622              gpg_read_only = 1;              gpg_read_only = 1;
623          else if (rc)          else if (rc)
624              return 0;              return 0;
# Line 518  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 644  WinMain (HINSTANCE hinst, HINSTANCE hpre
644      if (cmdline && (stristr (cmdline, "--keymanager")      if (cmdline && (stristr (cmdline, "--keymanager")
645                  || stristr (cmdline, "--cardmanager"))) {                  || stristr (cmdline, "--cardmanager"))) {
646          /* If an instance of WinPT is running, just send the command          /* If an instance of WinPT is running, just send the command
647             to open the key manager. Otherwise start a new instance.             to open the key manager. Otherwise start a new instance. */
          */  
648          HWND tray = FindWindow ("WinPT", "WinPT");          HWND tray = FindWindow ("WinPT", "WinPT");
649          if (stristr (cmdline, "keymanager"))          if (stristr (cmdline, "keymanager"))
650              start_manager = ID_WINPT_KEY;              start_manager = ID_WINPT_KEY;
# Line 540  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 665  WinMain (HINSTANCE hinst, HINSTANCE hpre
665          return 0;          return 0;
666      }      }
667    
668      if (cmdline) {      #ifndef WINPT_MOBILE
669          if (stristr (cmdline, "--enable-debug") ||      if (cmdline && (stristr (cmdline, "--enable-debug") ||
670              stristr (cmdline, "--debug")) {                      stristr (cmdline, "--debug"))) {
671              gpg_set_debug_mode (1);          gpg_set_debug_mode (1);
672              winpt_debug_msg ();          winpt_debug_msg ();
673              debug = 1;          debug = 1;
         }  
674      }      }
675        #endif
676    
677      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
678      rc = RegisterClass (&wc);      rc = RegisterClass (&wc);
# Line 586  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 711  WinMain (HINSTANCE hinst, HINSTANCE hpre
711          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
712                          gpgprefs_dlg_proc, 0);                          gpgprefs_dlg_proc, 0);
713          if (check_for_empty_keyrings (true))          if (check_for_empty_keyrings (true))
714              first_start = 1; /* The public keyring is empty! */              first_start = 1; /* The public keyring is empty. */
715      }      }
716    
717      if (first_start) {      if (first_start) {
         struct first_start_s fs;  
718          struct genkey_s c;          struct genkey_s c;
719            int choice;
720          HWND h;          HWND h;
721  start:  start:
722          h = GetDesktopWindow ();          h = GetDesktopWindow ();
723          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,          if (!gpg_prefs_ok ())
724                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
725                              gpgprefs_dlg_proc, 0);                              gpgprefs_dlg_proc, 0);
726          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,          choice = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
727                          first_run_dlg_proc, (LPARAM)&fs);                                   first_run_dlg_proc, 0);
728          switch (fs.choice) {          switch (choice) {
729          case SETUP_KEYGEN:          case SETUP_KEYGEN:
730              c.interactive = 1;              c.interactive = 1;
731              c.first_start = 1;              c.first_start = 1;
# Line 617  start: Line 743  start:
743              }              }
744              break;              break;
745    
746          case -1: /* Cancel/Abort. */          case SETUP_CARDGEN:
747                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_CARD_KEYGEN,
748                                     h, card_keygen_dlg_proc, 0);
749                if (!rc)
750                    goto start;
751                break;
752    
753            case 0: /* Cancel/Abort. */
754            default:
755              DestroyWindow (hwnd);              DestroyWindow (hwnd);
756              free_gnupg_table ();              free_gnupg_table ();
757              return 0;              return 0;
758          }          }
759          update_keycache (hwnd);          update_keycache (hwnd);
760          check_crypto_engine ();          if (!check_crypto_engine ()) {
761                DestroyWindow (hwnd);
762                free_gnupg_table ();
763                keycache_release (1);
764                return 0;
765            }
766            if (!is_gpg4win_installed ()) {
767                select_language ();
768                load_gettext ();
769            }
770      }      }
771      else {      else {
772          gpg_keycache_t c;          gpg_keycache_t c, sec_c;
773          update_keycache (hwnd);          if (update_keycache (hwnd)) {
774                DestroyWindow (hwnd);
775                free_gnupg_table ();
776                keycache_release (1);
777                return 0;
778            }
779            /* XXX: rewrite this part. */
780          c = keycache_get_ctx (1);          c = keycache_get_ctx (1);
781          if (!c || !gpg_keycache_get_size (c)) {          if (!gpg_keycache_get_size (c)) {
             gnupg_display_error ();  
782              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
783                               "Please check your GPG config (keyrings, pathes...)"),                               "Please check your GPG config (keyrings, pathes...)"),
784                               _("WinPT Error"), MB_ERR);                               _("WinPT Error"), MB_ERR);
785              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"              ec = msg_box (NULL, _("It seems that GPG is not configured properly.\n"
786                                    "Do you want to start the GPG preferences dialog?"),                                    "Do you want to start the GPG preferences dialog?"),
787                              "WinPT", MB_INFO|MB_YESNO);                              "WinPT", MB_INFO|MB_YESNO);
788              if (ec == IDYES) {              if (ec == IDYES) {
# Line 645  start: Line 793  start:
793              else {              else {
794                  DestroyWindow (hwnd);                  DestroyWindow (hwnd);
795                  free_gnupg_table ();                  free_gnupg_table ();
796                    keycache_release (1);
797                  return 0;                  return 0;
798              }              }
799          }          }
800          if (check_default_key (c)) {          sec_c = keycache_get_ctx (0);
801            if (check_default_key (sec_c)) {
802              char *p = get_gnupg_default_key ();              char *p = get_gnupg_default_key ();
803              log_box (_("WinPT Error"), MB_ERR,              log_box (_("WinPT Error"), MB_ERR,
804                       _("Default key from the GPG options file could not be found.\n"                       _("Default key (from the GPG config file) could not be found.\n"
805                         "Please check your gpg.conf (options) to correct this:\n\n"                         "Please check your gpg.conf or set a new default key to correct it:\n\n"
806                         "%s: public key not found."), p? p : "[null]");                         "%s: public key not found."), p? p : "[null]");
807              free_if_alloc (p);              set_gnupg_default_key (NULL);
             DestroyWindow (hwnd);  
             free_gnupg_table ();  
             return 0;  
808          }          }
809          if (count_insecure_elgkeys ())          if (count_insecure_elgkeys ())
810              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
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