/[winpt]/trunk/Src/WinPT.cpp
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revision 121 by twoaday, Mon Dec 12 11:19:56 2005 UTC revision 137 by twoaday, Mon Jan 9 14:01:51 2006 UTC
# Line 1  Line 1 
1  /* WinPT.cpp - Windows Privacy Tray (WinPT)  /* WinPT.cpp - Windows Privacy Tray (WinPT)
2   *      Copyright (C) 2000-2005 Timo Schulz   *      Copyright (C) 2000-2006 Timo Schulz
3   *   *
4   * This file is part of WinPT.   * This file is part of WinPT.
5   *   *
# Line 40  Line 40 
40  #include "wptCardEdit.h"  #include "wptCardEdit.h"
41  #include "wptCrypto.h"  #include "wptCrypto.h"
42    
 #define MIN_GPG_VER   "1.4.2"   /* Minimal GPG version. */  
 #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */  
   
   
43  HINSTANCE glob_hinst;   /* global instance for the dialogs */  HINSTANCE glob_hinst;   /* global instance for the dialogs */
44  HWND glob_hwnd;         /* global window handle for the dialogs */  HWND glob_hwnd;         /* global window handle for the dialogs */
45  HWND activ_hwnd;  HWND activ_hwnd;
 LOCK mo_file;  
46  int scard_support = 0;  int scard_support = 0;
47  int debug = 0;  int debug = 0;
48  int mobile = 0;  int mobile = 0;
# Line 96  static void Line 91  static void
91  load_gettext (int prev_inst)  load_gettext (int prev_inst)
92  {  {
93      char *nls = NULL;      char *nls = NULL;
     char *file = NULL;  
94    
95      nls = get_gettext_lang ();      nls = get_gettext_lang ();
96      if (nls) {      if (nls != NULL) {
97          set_gettext_file ("winpt", nls);          set_gettext_file ("winpt", nls);
         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);  
         }  
98          free_if_alloc (nls);          free_if_alloc (nls);
         free_if_alloc (file);  
99      }      }
100  }  }
101    
102    
103    /* Load the GPG environment. On the first start, some
104       checks are performed to find out in what state GPG is.
105       Return value: 0  everything OK.
106                     >0  fatal error.
107                     -1 public keyring is empty or does not exist. */
108    static int
109    load_gpg_env (void)
110    {
111        SECURITY_ATTRIBUTES sec_attr;
112        char *p;
113        char *pkr;
114    
115        p = get_reg_entry_gpg4win ("gpg.exe");
116        if (!p)
117            return (1);
118        if (file_exist_check (p)) {
119            free_if_alloc (p);
120            return (1);
121        }
122        free_if_alloc (p);
123        p = multi_gnupg_path (0);
124        if (p && dir_exist_check (p)) {
125            memset (&sec_attr, 0, sizeof (sec_attr));
126            sec_attr.nLength = sizeof (sec_attr);
127            if (!CreateDirectory (p, &sec_attr)) {
128                msg_box (NULL, _("Could not create GPG home directory"),
129                         _("WinPT Error"), MB_ERR);
130                free_if_alloc (p);
131                return (2);
132            }
133        }
134        pkr = make_filename (p, "pubring", "gpg");
135        free_if_alloc (p);
136        if (!pkr)
137            return -1;
138        if (get_file_size (pkr) == 0) {
139            free_if_alloc (pkr);
140            return -1;
141        }
142        return 0;
143    }
144    
145    
146  /* 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
147     keyring. if not, bail out because encryption won't work properly then. */     keyring. if not, bail out because encryption won't work properly then. */
148  static int  static int
# Line 121  check_default_key (gpg_keycache_t kc) Line 150  check_default_key (gpg_keycache_t kc)
150  {  {
151      gpgme_key_t key;      gpgme_key_t key;
152      gpgme_error_t err = GPG_ERR_NO_ERROR;      gpgme_error_t err = GPG_ERR_NO_ERROR;
153      char * defkey;      char *defkey;
154    
155      defkey = get_gnupg_default_key ();      defkey = get_gnupg_default_key ();
156      if (defkey)      if (defkey)
# Line 169  get_prog_part (const char * fname, int u Line 198  get_prog_part (const char * fname, int u
198    
199  /* Check that the underlying crypto engine fullfills the minimal  /* Check that the underlying crypto engine fullfills the minimal
200     requirements so all commands work properly. */     requirements so all commands work properly. */
201  static int  static bool
202  check_crypto_engine (void)  check_crypto_engine (void)
203  {  {
204      int ma=1, mi=4, pa=2; /* GPG 1.4.2 */      int ma=0, mi=0, pa=0;
205      int rc;      int rc;
206    
207      rc = check_gnupg_engine (&ma, &mi, &pa);      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
208      if (rc == -1) {      if (rc == -1) {
209          msg_box (NULL, _("Could not read GnuPG version."),          msg_box (NULL, _("Could not read GnuPG version."),
210                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
211          return rc;          return false;
212      }      }
213      else if (rc) {      else if (rc) {
214          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
215                   _("Sorry, you need a newer GPG version.\n"                   _("Sorry, you need a newer GPG version.\n"
216                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),                     "GPG version %d.%d.%d required GPG version "NEED_GPG_VERSION),
217                     ma, mi, pa);                     ma, mi, pa);
218          return rc;          return false;
219      }      }
220      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
221      if (ma > 1 || pa >= 3)          if (ma > 1 || pa >= 3)
222          scard_support = 1;          scard_support = 1;
223    
224      gpgver[0] = ma;      gpgver[0] = ma;
225      gpgver[1] = mi;      gpgver[1] = mi;
226      gpgver[2] = pa;      gpgver[2] = pa;
227      return rc;      return true;
228  }  }
229    
230    
# Line 220  load_keyserver_conf (int quiet) Line 249  load_keyserver_conf (int quiet)
249  }  }
250    
251    
252    /* Check if both keyrings are empty. This indicates that
253       WinPT should offer to generate a key pair. */
254    static bool
255    check_for_empty_keyrings (bool pub_only)
256    {
257        char *p;
258        int n = 0;
259    
260        p = get_gnupg_keyring (1, 0);
261        if (file_exist_check (p) == 0 && get_file_size (p) == 0)
262            n++;
263        free_if_alloc (p);
264        if (pub_only)
265            return n == 1? true : false;
266        p = get_gnupg_keyring (0, 0);
267        if (file_exist_check (p) == 0 && get_file_size (p) == 0)
268            n++;
269        free_if_alloc (p);
270        return n==2? true : false;
271    }
272    
273    
274  /* Enable the mobility mode. */  /* Enable the mobility mode. */
275  static void  static void
276  enable_mobile_mode (void)  enable_mobile_mode (void)
# Line 289  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 340  WinMain (HINSTANCE hinst, HINSTANCE hpre
340          return 0;          return 0;
341      }      }
342      */      */
343    
344      if (gpg_md_selftest ()) {      if (gpg_md_selftest ()) {
345          msg_box (NULL, _("Cryptographic selftest failed."),          msg_box (NULL, _("Cryptographic selftest failed."),
346                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
347          return 0;          return 0;
348      }      }
349    
350      s = gpgme_check_version (MIN_GPGME_VER);      s = gpgme_check_version (NEED_GPGME_VERSION);
351      if (!s || !*s) {      if (!s || !*s) {
352          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),          msg_box (NULL, _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
353                   _("WinPT Error"), MB_ERR);                   _("WinPT Error"), MB_ERR);
354          return 0;          return 0;
355      }      }
# Line 335  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 387  WinMain (HINSTANCE hinst, HINSTANCE hpre
387          gnupg_load_config ();          gnupg_load_config ();
388      }      }
389    
390        if (is_gpg4win_installed ())
391            load_gpg_env (); /* XXX: check return code. */
392    
393      rc = gnupg_check_homedir ();      rc = gnupg_check_homedir ();
394      if (rc) {      if (rc) {
395          log_box (_("WinPT Error"), MB_ERR,          log_box (_("WinPT Error"), MB_ERR,
# Line 399  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 454  WinMain (HINSTANCE hinst, HINSTANCE hpre
454              return 0;              return 0;
455          }          }
456      }      }
457        if (check_for_empty_keyrings (false))
458            first_start = 1;
459    
460      if (!first_start) {      if (!first_start) {
461          rc = gpg_check_permissions (1);          rc = gpg_check_permissions (1);
# Line 485  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 542  WinMain (HINSTANCE hinst, HINSTANCE hpre
542    
543      if (!first_start && !start_gpgprefs) {      if (!first_start && !start_gpgprefs) {
544          gnupg_backup_options ();                  gnupg_backup_options ();        
545          rc = check_crypto_engine ();          if (!check_crypto_engine ()) {
         if (rc) {  
546              DestroyWindow (hwnd);              DestroyWindow (hwnd);
547              free_gnupg_table ();              free_gnupg_table ();
548              return 0;              return 0;
# Line 494  WinMain (HINSTANCE hinst, HINSTANCE hpre Line 550  WinMain (HINSTANCE hinst, HINSTANCE hpre
550      }      }
551            
552      if (start_gpgprefs) {      if (start_gpgprefs) {
         char *ring;  
553          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
554                          gpgprefs_dlg_proc, 0);                          gpgprefs_dlg_proc, 0);
555          ring = get_gnupg_keyring (0, !NO_STRICT);          if (check_for_empty_keyrings (true))
556          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);  
557      }      }
558    
559      if (first_start) {      if (first_start) {
# Line 531  start: Line 584  start:
584              }              }
585              break;              break;
586    
587          case -1:          case -1: /* Cancel/Abort. */
588              DestroyWindow (hwnd);              DestroyWindow (hwnd);
589              free_gnupg_table ();              free_gnupg_table ();
590              return 0;              return 0;
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