/[winpt]/trunk/Src/WinPT.cpp
ViewVC logotype

Diff of /trunk/Src/WinPT.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 25 by twoaday, Wed Oct 12 10:04:26 2005 UTC revision 273 by twoaday, Fri Dec 8 10:22:17 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   *   *
6   * WinPT is free software; you can redistribute it and/or modify   * WinPT is free software; you can redistribute it and/or modify
7   * it under the terms of the GNU General Public License as published by   * it under the terms of the GNU General Public License as published by
8   * the Free Software Foundation; either version 2 of the License, or   * the Free Software Foundation; either version 2 of the License, or
9   * (at your option) any later version.   * (at your option) any later version.
10   *   *
11   * WinPT is distributed in the hope that it will be useful,   * WinPT is distributed in the hope that it will be useful,
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.
15   *   *
16   * You should have received a copy of the GNU General Public License   * You should have received a copy of the GNU General Public License
17   * along with WinPT; if not, write to the Free Software Foundation,   * along with WinPT; if not, write to the Free Software Foundation,
18   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19   */   */
20  #include <windows.h>  #ifdef HAVE_CONFIG_H
21    #include <config.h>
22  #include "../resource.h"  #endif
23  #include "wptTypes.h"  
24  #include "wptW32API.h"  #include <windows.h>
25  #include "wptVersion.h"  #include <shlobj.h>
26  #include "wptErrors.h"  
27  #include "wptGPG.h"  #include "resource.h"
28  #include "wptRegistry.h"  #include "wptTypes.h"
29  #include "wptCommonCtl.h"  #include "wptW32API.h"
30  #include "wptDlgs.h"  #include "wptVersion.h"
31  #include "wptNLS.h"  #include "wptErrors.h"
32  #include "wptKeyserver.h"  #include "wptGPG.h"
33  #include "wptCard.h"  #include "wptRegistry.h"
34  #include "wptFileManager.h"  #include "wptCommonCtl.h"
35  #include "wptContext.h"  #include "wptDlgs.h"
36  #include "wptCardEdit.h"  #include "wptNLS.h"
37    #include "wptKeyserver.h"
38  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptCard.h"
39  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptFileManager.h"
40  HWND activ_hwnd;  #include "wptContext.h"
41  LOCK mo_file;  #include "wptCardEdit.h"
42  int scard_support = 0;  #include "wptCrypto.h"
43  int debug = 0;  #include "wptUTF8.h"
44  int mobile = 0;  
45  int gpg_read_only = 0;  void remove_crit_file_attrs (const char *fname, int force);
46  char gpgver[3];  BOOL user_is_admin (void);
47    int  pcsc_available (void);
48  static void  
49  update_keycache (HWND hwnd)  /* Global variables. */
50  {  HINSTANCE glob_hinst;   /* global instance for the dialogs */
51      refresh_cache_s rcs = {0};  HWND glob_hwnd;         /* global window handle for the dialogs */
52      rcs.kr_reload = 0;  int scard_support = 0;
53      rcs.kr_update = 1;  int debug = 0;
54      rcs.tr_update = 1;  int gpg_read_only = 0;
55      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  int admin_user = 0;
56                      keycache_dlg_proc, (LPARAM)&rcs);  char gpgver[3];
57  } /* update_keycache */  /* End */
58    
59    
60  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */  /* Load the key cache and rebuild the signature cache. */
61  void  int
62  gpg_set_debug_mode (int val)  update_keycache (HWND hwnd)
63  {        {
64      if (val)      int err;
65          putenv ("GPGME_DEBUG=5:gpgme.dbg");      refresh_cache_s rcs;
66      else  
67          putenv ("GPGME_DEBUG=");      /* no need to rebuild the sig cache each time. */
68  }      memset (&rcs, 0, sizeof (rcs));
69        rcs.kring_update = 1;
70  static char *      err = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
71  get_gettext_lang (void)                      keycache_dlg_proc, (LPARAM)&rcs);
72  {          if (err) {
73      char * fname;          char *cfgf = get_gnupg_config ();
74      fname = get_reg_entry_mo ();          if (cfgf && check_gnupg_options (cfgf, 0) == WPTERR_FILE_EXIST)
75      if (!fname)              msg_box (NULL, _("The gpg.conf contains at least one argument which points to a non-existing file."), "WinPT", MB_ERR);
76          return NULL;          free_if_alloc (cfgf);
77      return fname;          return -1;
78  } /* get_gettext_lang */      }
79        return 0;
80    }
81  static void  
82  load_gettext (void)  
83  {  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
84      char *nls = NULL;  void
85      char *file = NULL;  gpg_set_debug_mode (int val)
86    {
87      nls = get_gettext_lang ();      static char buf[256];
88      if (nls) {      char tmp[128];
89          set_gettext_file ("winpt", nls);      
90          file = make_filename (nls, "winpt", "mo");      /* XXX: no gpgme.dbg is created. */
91          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {      if (val > 0) {
92              msg_box (NULL, _("Could not initizalize file lock.\n"          GetTempPath (DIM (tmp)-1, tmp);
93                               "Native Language Support"),          _snprintf (buf, DIM (buf)-1, "GPGME_DEBUG=5:%sgpgme.dbg", tmp);
94                       _("WinPT Error"), MB_ERR);          putenv (buf);
95          }      }
96          free_if_alloc (nls);      else
97          free_if_alloc (file);          putenv ("GPGME_DEBUG=");
98      }  }
99  } /* load_gettext */  
100    
101    /* Initialize the gettext sub system. */
102  /* check if the default key from the gpg.conf file is available in the  static void
103     keyring. if not, bail out because encryption won't work properly then. */  load_gettext (void)
104  static int  {
105  check_default_key (gpg_keycache_t kc)      char *nls;
106  {  
107      gpgme_key_t key;      /* Return the name of the gettext language file. */
108      gpgme_error_t err = GPG_ERR_NO_ERROR;      nls = get_reg_entry_mo ();
109      char * defkey;      if (nls != NULL) {
110            set_gettext_file ("winpt", nls);
111      defkey = get_gnupg_default_key ();          free_if_alloc (nls);
112      if (defkey)      }
113          err = gpg_keycache_find_key (kc, defkey, 0, &key);  }
114      free_if_alloc (defkey);  
115      return err? -1 : 0;  
116  } /* check_default_key */  /* Return true if the GPG environment is useable. */
117    static bool
118    gpg_prefs_ok (void)
119  /* Return the WinPT program file name (with full pathname). */  {
120  static const char *      char *p;
121  get_prog_part (const char * fname, int use_cwd)  
122  {      p = get_reg_entry_gpg4win ("gpg.exe");
123      static char program[1024];      if (!p || file_exist_check (p) != 0) {
124      char currdir[256], * cmd = NULL;          free_if_alloc (p);
125      int j;          p = get_reg_entry_gpg ("gpgProgram");
126                    if (!p || file_exist_check (p) != 0) {
127      memset (currdir, 0, DIM (currdir));              free_if_alloc (p);
128      memset (program, 0, DIM (program));              log_debug ("gpg_prefs_ok: could not locate gpg.exe");
129                        return false;
130      if (use_cwd) {          }
131          GetCurrentDirectory (DIM (currdir)-1, currdir);      }
132          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);      free_if_alloc (p);
133      }      p = get_reg_entry_gpg4win (NULL);
134      else {      if (!p || dir_exist_check (p) != 0) {
135          cmd = GetCommandLine ();          free_if_alloc (p);
136          if (cmd == NULL)          p = get_reg_entry_gpg ("HomeDir");
137              return NULL;          if (!p || dir_exist_check (p) != 0) {
138          strncpy (currdir, cmd, 255);              free_if_alloc (p);
139          j = strlen (currdir);              log_debug ("gpg_prefs_ok: could not determine home directory");
140          while (j--) {              return false;
141              if (currdir[j] == '\\')          }
142                  break;                }
143          }      free_if_alloc (p);
144          currdir[j] = 0;      return true;
145          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  }
146      }  
147      return program;  
148  } /* get_prog_part */  /* Check gpg files if they are read-only and ask the user
149       if this should be corrected. */
150    static void
151  static int  check_readonly_attr (const char *homedir)
152  check_crypto_engine (void)  {
153  {      const char *files[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg", NULL};
154      int ma=1, mi=4, pa=0; /* GPG 1.4.0 */      char *file;
155      int rc;      int i;
156    
157      rc = check_gnupg_engine (&ma, &mi, &pa);      for (i=0; files[i] != NULL; i++) {
158      if (rc == -1) {          file = make_filename (homedir, files[i], NULL);
159          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);          remove_crit_file_attrs (file, 0);
160          return rc;          free_if_alloc (file);
161      }      }
162      else if (rc) {  }
163          log_box (_("WinPT Error"), MB_ERR,  
164                   _("Sorry, you need a newer GPG version.\n"  
165                     "GPG version %d.%d.%d required GPG version 1.4.0"),  /* Load the GPG environment. On the first start, some
166                     ma, mi, pa);     checks are performed to find out in what state GPG is.
167          return rc;     Return value: 0  everything OK.
168      }                   >0  fatal error.
169      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */                   -1 public keyring is empty or does not exist. */
170      if (ma >= 1 && mi >= 4)  static int
171          scard_support = 1;  load_gpg_env (void)
172    {
173      gpgver[0] = ma;      SECURITY_ATTRIBUTES sec_attr;
174      gpgver[1] = mi;      char *p;
175      gpgver[2] = pa;      char *pkr;
176      return rc;      int err = 0;
177  } /* check_crypto_engine */  
178        p = get_reg_entry_gpg4win ("gpg.exe");
179        if (!p)
180  static int          return (1);
181  load_keyserver_conf (int quiet)      if (file_exist_check (p)) {
182  {          free_if_alloc (p);
183      const char * t;          return (1);
184      int rc;      }
185        free_if_alloc (p);
186      if (reg_prefs.kserv_conf)  
187          t = reg_prefs.kserv_conf;      p = get_reg_entry_gpg ("HomeDir");
188      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      if (!p || dir_exist_check (p) != 0) {
189          t = get_prog_part ("keyserver.conf", 0);          free_if_alloc (p);
190      else          p = multi_gnupg_path (0);
191          t = "keyserver.conf";      }
192      rc = kserver_load_conf (t);      if (p && dir_exist_check (p)) {
193      if (rc && !quiet)          memset (&sec_attr, 0, sizeof (sec_attr));
194          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);          sec_attr.nLength = sizeof (sec_attr);
195      return rc;          if (!CreateDirectory (p, &sec_attr)) {
196  }              msg_box (NULL, _("Could not create GPG home directory"),
197                         _("WinPT Error"), MB_ERR);
198                free_if_alloc (p);
199  static void              return (2);
200  enable_mobile_mode (void)          }
201  {      }
202      memset (&reg_prefs, 0, sizeof (reg_prefs));      check_readonly_attr (p);
203      reg_prefs.always_trust = 0;      pkr = make_filename (p, "pubring", "gpg");
204      reg_prefs.auto_backup = 0;      free_if_alloc (p);
205      reg_prefs.cache_time = 0;      if (get_file_size (pkr) == 0)
206      reg_prefs.expert = 0;          err = -1;
207      reg_prefs.keylist_mode = 1;      free_if_alloc (pkr);
208      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");      return err;
209      reg_prefs.no_zip_mmedia = 1;  }
210      reg_prefs.use_tmpfiles = 1;  
211      reg_prefs.word_wrap = 80;  
212      reg_prefs.use_viewer = 0; /* XXX */  /* check if the default key from the gpg.conf file is available in the
213  }     keyring. if not, bail out because encryption won't work properly then. */
214    static int
215  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);  check_default_key (void)
216    {
217  int WINAPI      gpgme_key_t key;
218        gpgme_error_t err = gpg_error (GPG_ERR_NO_ERROR);
219  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      gpg_keycache_t kc;
220  {      char *defkey;
221      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};  
222      HACCEL accel_tab;      kc = keycache_get_ctx (0);
223      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;      defkey = get_gnupg_default_key ();
224      int first_start = 0, start_gpgprefs = 0;      if (defkey) {
225      const char * s;          err = gpg_keycache_find_key (kc, defkey, 0, &key);
226      MSG msg;          if (err) {
227      HWND hwnd = NULL;              free_if_alloc (defkey);
228                return -1;
229      glob_hinst = hinst;          }
230        }
231      #ifdef _DEBUG      else {
232      gpg_set_debug_mode (1);          /* Actually this is just a warning but we still continue. */
233      debug = 1;          msg_box (NULL, _("No useable secret key found."),
234      #endif                   _("WinPT Warning"), MB_WARN);
235            free_if_alloc (defkey);
236      s = PTD_get_version ();          return 0;
237      if (strcmp (s, "0.8.0")) {      }
238          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,  
239                   _("Please update your PTD.dll to the newest version, "      /* Because the secret key listing has no information
240                     "the version (%s) you use is too old."), s);         about the validity/status, we need to check the public key. */
241          return 0;      kc = keycache_get_ctx (1);
242      }      if (!gpg_keycache_find_key (kc, defkey, 0, &key) &&
243            (key->revoked || key->expired)) {
244      if (gpg_md_selftest ()) {          msg_box (NULL, _("Default secret key is unuseable"),
245          msg_box (NULL, _("Cryptographic selftest failed."),                   _("WinPT Warning"), MB_ERR);
246                   _("WinPT Error"), MB_ERR);          free_if_alloc (defkey);
247          return 0;          return -1;
248      }      }
249        free_if_alloc (defkey);
250      s = gpgme_check_version ("1.1.0");      return 0;
251      if (!s || !*s) {  }
252          msg_box (NULL, _("A newer GPGME version is needed."), "WinPT Error", MB_ERR);  
253          return 0;  
254      }  /* Return the WinPT program file name (with full pathname). */
255    static const char*
256      if (cmdline && stristr (cmdline, "--mobile")) {  get_prog_part (const char *fname, int use_cwd)
257          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",  {
258                   "WinPT", MB_INFO);      static char program[2*MAX_PATH+1];
259          mobile = 1;      char currdir[MAX_PATH+1];
260      }      char *cmd = NULL;
261        int j;
262      set_default_kserver ();          
263        memset (currdir, 0, DIM (currdir));
264      if (!mobile) {      memset (program, 0, DIM (program));
265          regist_inst_gnupg (1);          
266          regist_inst_winpt (1, &created);      if (use_cwd) {
267      }          GetCurrentDirectory (DIM (currdir)-1, currdir);
268      else {          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
269          enable_mobile_mode ();      }
270          /* XXX: ask for GPG path */      else {
271          created = 1; /* Disable registry writing */          cmd = GetCommandLine ();
272      }          if (!cmd)
273                return NULL;
274      if (!created) {          strncpy (currdir, cmd, DIM (currdir)-1);
275          memset (&reg_prefs, 0, sizeof (reg_prefs));          j = strlen (currdir);
276          reg_prefs.use_tmpfiles = 1; /* default */          while (j--) {
277          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */              if (currdir[j] == '\\')
278          get_reg_winpt_prefs (&reg_prefs);                  break;
279          if (!reg_prefs.no_hotkeys)          }
280              hotkeys_modify ();          currdir[j] = 0;
281      }          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
282        }
283      rc = gnupg_check_homedir ();      return program;
284      if (rc) {  }
285          log_box (_("WinPT Error"), MB_ERR,  
286                   _("GPG home directory is not set correctly.\n"  
287                     "Please check the GPG registry settings:\n%s."),  /* Check that the underlying crypto engine fullfills the minimal
288                   winpt_strerror (rc));     requirements so all commands work properly. */
289          const char * s = get_fileopen_dlg (GetActiveWindow (),  static bool
290                                             _("Select GPG Public Keyring"),  check_crypto_engine (void)
291                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),  {
292                                             NULL);      int ma = 0, mi = 0, pa = 0;
293          if (s != NULL) {      int rc;
294              size_t n;  
295              char * p = strrchr (s, '\\');      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
296              if (!p)      if (rc == -1) {
297                  BUG (0);          msg_box (NULL, _("Could not read GnuPG version."),
298              n = p - s;                   _("WinPT Error"), MB_ERR);
299              if (n)          return false;
300              {      }
301                  char * file = new char[n+1];      else if (rc) {
302                  if (!file)          log_box (_("WinPT Error"), MB_ERR,
303                      BUG (NULL);                   _("Sorry, you need a newer GPG version.\n"
304                  memset (file, 0, n);                     "GPG version %d.%d.%d required GPG version "NEED_GPG_VERSION),
305                  memcpy (file, s, n);                     ma, mi, pa);
306                  file[n] = '\0';                  return false;
307                  set_reg_entry_gpg ("HomeDir", file);      }
308                  free_if_alloc (file);      /* Enable smart card support for GPG 2 or >= 1.4 */
309                  gnupg_check_homedir (); /* change gpgProgram if needed */      if ((ma > 1 || pa >= 4) && pcsc_available ())
310              }          scard_support = 1;
311          }  
312          else {      gpgver[0] = ma;
313              msg_box (NULL, _("GPG home directory could not be determited."),      gpgver[1] = mi;
314                       _("WinPT Error"), MB_ERR);      gpgver[2] = pa;
315              goto start;      return true;
316          }  }
317      }  
318    
319      rc = check_gnupg_prog ();  /* Try to load the keyserver config file. If @quiet is 1
320      if (rc) {     do not show any errors. */
321          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"  static int
322                               "Do you want to start the GPG preferences to "  load_keyserver_conf (int quiet)
323                               "correct  this problem?"), _("WinPT Error"),  {    
324                               MB_INFO|MB_YESNO) == IDYES)      const char *t, *conf;
325              start_gpgprefs = 1;      char *buf;
326          else      int rc;
327          {  
328              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      #ifdef WINPT_MOBILE
329              return 0;      /* In mobile mode we automatically assume the config file
330          }         in the current directory. */
331      }      return kserver_load_conf ("keyserver.conf");
332        #endif
333      rc = gnupg_access_files ();  
334      if (!start_gpgprefs && rc)      /* Create $APPDATA\winpt if needed. */
335      {      buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL);
336          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)      if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) {
337          {          MessageBox (NULL, _("Failed to create WinPT directory"),
338              ec = msg_box (NULL,                      _("Keyserver"), MB_ERR);
339                  _("Could not access and/or find the public and secret keyring.\n"          free_if_alloc (buf);
340                    "If this is an accident, quit the program and fix it.\n\n"          return -1;
341                    "Continue if you want that WinPT offers you more choices.\n"),      }
342                    "WinPT", MB_INFO|MB_YESNO);      free_if_alloc (buf);
343              if (ec == IDYES)  
344                  first_start = 1;      /* Check for $APPDATA\winpt\keyserver.conf */
345          }      buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL);
346          if (!first_start)  
347          {      conf = get_prog_part ("keyserver.conf", 0);
348              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      if (!file_exist_check (conf))
349              return 0;          t = conf;
350          }      else
351      }          t = "keyserver.conf";
352        if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) {
353      if (!first_start)          if (!CopyFile (t, buf, FALSE)) {
354      {              MessageBox (NULL, _("Failed to copy the keyserver.conf"),
355          rc = gpg_check_permissions (1);                          _("Keyserver"), MB_ERR);
356          if (rc && rc == 2)              free_if_alloc (buf);
357              gpg_read_only = 1;              return -1;
358          else if (rc)          }
359              return 0;          t = buf;
360      }      }
361        else
362      load_gettext ();          t = buf;
363      init_gnupg_table ();      
364        rc = kserver_load_conf (t);
365      nfiles = fm_parse_command_line (cmdline);      if (rc && !quiet)
366      if (nfiles > 0)          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
367          return 0;      else {
368            free_if_alloc (reg_prefs.kserv_conf);
369      if (cmdline && stristr (cmdline, "--wipe-freespace")) {          reg_prefs.kserv_conf = m_strdup (t);
370          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,      }
371                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,      free_if_alloc (buf);
372                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);      return rc;
373          free_gnupg_table ();  }
374          return 0;  
375      }  
376    /* Check if both keyrings are empty. This indicates that
377      load_keyserver_conf (cmdline? 1 : 0);     WinPT should offer to generate a key pair. */
378    static bool
379      if (cmdline && (stristr (cmdline, "--keymanager")  check_for_empty_keyrings (bool pub_only)
380                  || stristr (cmdline, "--cardmanager"))) {  {
381          update_keycache (GetDesktopWindow ());      char *p;
382          if (stristr (cmdline, "keymanager"))      int n = 0;
383              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,  
384                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      p = get_gnupg_keyring (1, 0);
385                              _("Key Manager"), IDS_WINPT_KEYMISC);        if (file_exist_check (p) == 0 && get_file_size (p) == 0)
386          else {          n++;
387              gpg_card_t crd = smartcard_init ();      free_if_alloc (p);
388              if (crd)      if (pub_only)
389                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,          return n == 1? true : false;
390                                    GetDesktopWindow(), card_edit_dlg_proc,      p = get_gnupg_keyring (0, 0);
391                                    (LPARAM)crd, _("Card Manager"),      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
392                                    IDS_WINPT_CARD_EDIT);          n++;
393              gpg_card_release (crd);      free_if_alloc (p);
394          }      return n==2? true : false;
395          keycache_release (0);  }
396          free_gnupg_table ();  
397          return 0;  
398      }  #ifdef WINPT_MOBILE
399    /* Enable the mobile mode if possible.
400      CreateMutex (NULL, TRUE, PGM_NAME);     There are some constraints which must be fullfilled.
401      if (GetLastError () == ERROR_ALREADY_EXISTS) {     Return value: 0 on success. */
402          free_gnupg_table ();  static int
403          return 0;  enable_mobile_mode (void)
404      }  {
405        static const char *test_fname = "winpt_mobile_test.txt";
406      if (cmdline) {      FILE *fp;
407          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {      char *pubring;
408              gpg_set_debug_mode (1);      ULARGE_INTEGER caller, total;
409              winpt_debug_msg ();      DWORD temp_size;
410              debug = 1;  
411          }      fp = fopen (test_fname, "wb");
412      }      if (fp == NULL) {
413            MessageBox (NULL, "Mobile mode cannot be used without write permission\n"
414      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));                            "for the current directory", "WinPT Error", MB_ERR);
415      rc = RegisterClass (&wc);              
416      if (rc == FALSE) {          return -1;
417          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);      }
418          free_gnupg_table ();      fclose (fp);
419          return 0;      DeleteFile (test_fname);
420      }      if (file_exist_check ("gpg.exe")) {
421            MessageBox (NULL, "The GnuPG program needs to be in the same directory\n"
422      hwnd = CreateWindow (PGM_NAME,                            "as the WinPT program", "WinPT Error", MB_ERR);
423                           PGM_NAME,          return -1;
424                           0, 0, 0, 0, 0,      }
425                           NULL,      
426                           NULL,      /* Because write operations to the keyring result in a temporary
427                           hinst,         file, we need at least 2 MB plus the size of the keyring for
428                           NULL);         free space. */
429      if (hwnd == NULL) {      pubring = get_gnupg_keyring (1);
430          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);      temp_size = get_file_size (pubring) + 2097152;
431          free_gnupg_table ();      free_if_alloc (pubring);
432          return 0;  
433      }      if (!GetDiskFreeSpaceEx (NULL, &caller, &total, NULL) ||
434      glob_hwnd = hwnd;          caller.LowPart < temp_size) {
435      UpdateWindow (hwnd);          log_box ("WinPT Error", MB_ERR,
436                     "The mobile mode needs at least %lu KB for temporary files",
437      if (!first_start && !start_gpgprefs) {                   temp_size/1024);
438          gnupg_backup_options ();                  return -1;
439          rc = check_crypto_engine ();      }
440          if (rc) {  
441              DestroyWindow (hwnd);      /* XXX: shall we check for 'temp-directory' in the gpg.conf? */
442              free_gnupg_table ();  
443              return 0;      return 0;
444          }  }
445      }  #endif
446        
447      if (start_gpgprefs) {  
448          char *ring;  /* Set the default keyserver for this instance. */
449          size_t size = 0;  void
450          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,  set_default_keyserver (void)
451                          gpgprefs_dlg_proc, NULL);  {
452          ring = get_gnupg_keyring (0, !NO_STRICT);      char *host = get_reg_entry_keyserver ("Default");
453          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)      char *str_port = get_reg_entry_keyserver ("Default_Port");
454              first_start = 1; /* The keyring is empty! */      WORD port = HKP_PORT;
455          free_if_alloc (ring);  
456      }      if (!host)
457            keyserver_set_default (NULL, 0);
458      if (first_start) {      else {
459          struct first_start_s fs;          if (str_port && *str_port)
460          struct genkey_s c;              port = atoi (str_port);
461          HWND h;          keyserver_set_default (host, port);
462  start:      }
463          h = GetDesktopWindow ();      free_if_alloc (host);
464          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,      free_if_alloc (str_port);
465                              gpgprefs_dlg_proc, NULL);  }
466          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,  
467                          first_run_dlg_proc, (LPARAM)&fs);  
468          switch (fs.choice) {  /* Display info message that WinPT is now in debug mode. */
469          case SETUP_KEYGEN:  void
470              c.interactive = 1;  winpt_debug_msg (void)
471              c.first_start = 1;  {      
472              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,      char output[512];
473                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);      char temp[128];
474              if (!rc)          
475                  goto start;      GetTempPath (DIM (temp) -1, temp);
476              break;      _snprintf (output, DIM (output)-1,
477            "The GPGME output file is %sgpgme.dbg\n"
478          case SETUP_IMPORT:          "The WinPT output file is %swinpt.log\n", temp, temp);
479              rc = gnupg_copy_keyrings ();      MessageBox (NULL, output, "WinPT now runs in DEBUG MODE", MB_INFO);
480              if (rc) {  }
481                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);  
482                  goto start;  
483              }  /* Search for insecure ElGamal keys and return the
484              break;     number of founded keys. */
485    static int
486          case -1:  count_insecure_elgkeys (void)
487              DestroyWindow (hwnd);  {
488              free_gnupg_table ();      gpg_keycache_t pc;
489              return 0;      gpgme_key_t key;
490          }      int n = 0;
491          update_keycache (hwnd);  
492          check_crypto_engine ();      pc = keycache_get_ctx (1);
493      }      while (!gpg_keycache_next_key (pc, 0, &key)) {
494      else {          if (key->subkeys->pubkey_algo == GPGME_PK_ELG)
495          gpg_keycache_t c;              n++;
496          update_keycache (hwnd);      }
497          c = keycache_get_ctx (1);      gpg_keycache_rewind (pc);
498          if (!c || !gpg_keycache_get_size (c)) {      return n;
499              gnupg_display_error ();  }
500              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"  
501                               "Please check your GPG config (keyrings, pathes...)"),  
502                               _("WinPT Error"), MB_ERR);  /* Main entry point. */
503              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"  int WINAPI
504                                    "Do you want to start the GPG preferences dialog?"),  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
505                              "WinPT", MB_INFO|MB_YESNO);  {
506              if (ec == IDYES) {      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
507                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      HACCEL accel_tab;
508                                  gpgprefs_dlg_proc, NULL);      MSG msg;
509                  update_keycache (hwnd);      HWND hwnd = NULL;
510              }      WORD ver[3], ptdver[4];
511              else {      const char *s;
512                  DestroyWindow (hwnd);      int rc, ec, created = 0;
513                  free_gnupg_table ();      int first_start = 0, start_gpgprefs = 0;
514                  return 0;      int winpt_inst_found = 0;
515              }      int start_manager = 0;    
516          }  
517          if (check_default_key (c)) {  #ifdef WINPT_MOBILE
518              char * p = get_gnupg_default_key ();      /* Do not continue in case of problems. */
519              log_box (_("WinPT Error"), MB_ERR,      if (enable_mobile_mode ())
520                       _("Default key from the GPG options file could not be found.\n"          return 0;
521                         "Please check your gpg.conf (options) to correct this:\n\n"  #endif
522                         "%s: public key not found."), p? p : "[null]");  
523              free_if_alloc (p);      glob_hinst = hinst;
524              DestroyWindow (hwnd);      if (cmdline && stristr (cmdline, "--stop")) {
525              free_gnupg_table ();          hwnd = FindWindow ("WinPT", "WinPT");
526              return 0;          if (hwnd != NULL)
527          }              PostMessage (hwnd, WM_DESTROY, 0, 0);
528          if (count_insecure_elgkeys ())          return 0;
529              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,      }
530                              elgamal_warn_dlg_proc, NULL);  
531      }      #ifdef _DEBUG
532        gpg_set_debug_mode (1);
533      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);      debug = 1;
534      keyring_check_last_access (); /* init */      #endif
535      while (GetMessage (&msg, hwnd, 0, 0)) {  
536          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
537              TranslateMessage (&msg);      ec = get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],  
538              DispatchMessage (&msg);                                   &ptdver[2], &ptdver[3]);
539          }      
540      }      if (!ec && (ptdver[0] != ver[0] ||
541                            ptdver[1] != ver[1] ||
542      return 0;                  ptdver[2] != ver[2])) {
543  } /* WinMain */          log_box (_("WinPT Error"), MB_ERR,
544                     _("The PTD.dll file has a different version than WinPT.exe\n"
545                       "Please update the PTD.dll to version %d.%d.%d"),
546                       ver[0], ver[1], ver[2]);
547            return 0;
548        }
549    
550        if (gpg_md_selftest ()) {
551            msg_box (NULL, _("Cryptographic selftest failed."),
552                     _("WinPT Error"), MB_ERR);
553            return 0;
554        }
555    
556        s = gpgme_check_version (NEED_GPGME_VERSION);
557        if (!s || !*s) {
558            msg_box (NULL, _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
559                     _("WinPT Error"), MB_ERR);
560            return 0;
561        }
562    
563        CreateMutex (NULL, TRUE, PGM_NAME);
564        if (GetLastError () == ERROR_ALREADY_EXISTS)
565            winpt_inst_found = 1;
566        
567        set_default_keyserver ();
568        load_gettext ();
569        admin_user = user_is_admin ();
570    
571        regist_inst_gnupg (1);
572        regist_inst_winpt (1, &created);
573    
574        if (!created) {
575            memset (&reg_prefs, 0, sizeof (reg_prefs));
576            get_reg_winpt_prefs (&reg_prefs);
577            reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
578            if (gnupg_load_config () == -2)
579                msg_box (NULL, _("The gpg.conf file contains the 'textmode' option\n"
580                                 "which leads to broken binary output during decryption.\n"
581                                 "If this is on purpose, just continue otherwise the option should be disabled."),
582                                _("WinPT Error"), MB_ERR);
583        }
584    
585        if (is_gpg4win_installed ())
586            load_gpg_env (); /* XXX: check return code. */
587    
588        rc = gnupg_check_homedir ();
589        if (rc) {
590            char *p;
591    
592            log_box (_("WinPT Error"), MB_ERR,
593                     _("GPG home directory is not set correctly.\n"
594                       "Please check the GPG registry settings:\n%s."),
595                     winpt_strerror (rc));
596            s = get_fileopen_dlg (GetActiveWindow (),
597                                  _("Select GPG Public Keyring"),
598                                  "GPG Keyrings (*.gpg)\0*.gpg\0\0",
599                                  NULL);
600            if (s != NULL && (p=strrchr (s, '\\'))) {
601                char *path = substr (s, 0, (p-s));
602    
603                set_reg_entry_gpg ("HomeDir", path);
604                free_if_alloc (path);
605            }
606            else {
607                msg_box (NULL, _("GPG home directory could not be determined."),
608                         _("WinPT Error"), MB_ERR);
609                goto start;
610            }
611        }
612    
613        rc = check_gnupg_prog ();
614        if (rc) {
615            if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
616                                 "Do you want to start the GPG preferences to "
617                                 "correct  this problem?"), _("WinPT Error"),
618                                 MB_INFO|MB_YESNO) == IDYES)
619                start_gpgprefs = 1;
620            else {
621                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
622                return 0;
623            }
624        }
625    
626        rc = gnupg_access_files ();
627        if (!start_gpgprefs && rc) {
628            if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
629                ec = msg_box (NULL,
630                    _("Could not access and/or find the public and secret keyring.\n"
631                      "If this is an accident, quit the program and fix it.\n\n"
632                      "Continue if you want WinPT to offer you more choices.\n"),
633                      "WinPT", MB_INFO|MB_YESNO);
634                if (ec == IDYES)
635                    first_start = 1;
636            }
637            if (!first_start) {
638                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
639                return 0;
640            }
641        }
642        if (check_for_empty_keyrings (false))
643            first_start = 1;
644    
645        if (!first_start) {
646            rc = gpg_check_permissions (1);
647            if (rc && rc == 2) /* 2 means read-only mode. */
648                gpg_read_only = 1;
649            else if (rc)
650                return 0;
651        }
652        
653        init_gnupg_table ();
654    
655        if (fm_parse_command_line (cmdline) > 0) {
656            free_gnupg_table ();
657            return 0;
658        }
659    
660        if (cmdline && stristr (cmdline, "--wipe-freespace")) {
661            dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
662                                GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
663                                _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
664            free_gnupg_table ();
665            return 0;
666        }
667    
668        load_keyserver_conf (cmdline? 1 : 0);
669    
670        if (cmdline && (stristr (cmdline, "--keymanager")
671                    || stristr (cmdline, "--cardmanager"))) {
672            /* If an instance of WinPT is running, just send the command
673               to open the key manager. Otherwise start a new instance. */
674            HWND tray = FindWindow ("WinPT", "WinPT");
675            if (stristr (cmdline, "keymanager"))
676                start_manager = ID_WINPT_KEY;
677            else
678                start_manager = ID_WINPT_CARD;
679            if (tray != NULL) {
680                PostMessage (tray, WM_COMMAND, start_manager, 0);
681                free_gnupg_table ();
682                return 0;
683            }
684        }
685    
686        /* If we found another WinPT instance, just quit to avoid it
687           will be executed twice. */
688        if (winpt_inst_found) {
689            log_debug ("%s", "WinMain: WinPT is already running.");
690            free_gnupg_table ();
691            return 0;
692        }
693    
694        #ifndef WINPT_MOBILE
695        if (cmdline && (stristr (cmdline, "--enable-debug") ||
696                        stristr (cmdline, "--debug"))) {
697            gpg_set_debug_mode (1);
698            winpt_debug_msg ();
699            debug = 1;
700        }
701        #endif
702    
703        wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
704        rc = RegisterClass (&wc);
705        if (rc == FALSE) {
706            msg_box (NULL, _("Could not register window class"),
707                     _("WinPT Error"), MB_ERR);
708            free_gnupg_table ();
709            return 0;
710        }
711    
712        hwnd = CreateWindow (PGM_NAME,
713                             PGM_NAME,
714                             0, 0, 0, 0, 0,
715                             NULL,
716                             NULL,
717                             hinst,
718                             NULL);
719        if (hwnd == NULL) {
720            msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
721            free_gnupg_table ();
722            return 0;
723        }
724        glob_hwnd = hwnd;
725        UpdateWindow (hwnd);
726    
727        if (!first_start && !start_gpgprefs) {
728            gnupg_backup_options ();        
729            if (!check_crypto_engine ()) {
730                DestroyWindow (hwnd);
731                free_gnupg_table ();
732                return 0;
733            }
734        }
735        
736        if (start_gpgprefs) {
737            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
738                            gpgprefs_dlg_proc, 0);
739            if (check_for_empty_keyrings (true))
740                first_start = 1; /* The public keyring is empty. */
741        }
742    
743        if (first_start) {
744            struct genkey_s c;
745            int choice;
746            HWND h;
747    start:
748            h = GetDesktopWindow ();
749            if (!gpg_prefs_ok ())
750                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
751                                gpgprefs_dlg_proc, 0);
752            choice = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
753                                     first_run_dlg_proc, 0);
754            switch (choice) {
755            case SETUP_KEYGEN:
756                c.interactive = 1;
757                c.first_start = 1;
758                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
759                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
760                if (!rc)
761                    goto start;
762                break;
763    
764            case SETUP_IMPORT:
765                rc = gnupg_copy_keyrings ();
766                if (rc) {
767                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
768                    goto start;
769                }
770                break;
771    
772            case SETUP_CARDGEN:
773                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_CARD_KEYGEN,
774                                     h, card_keygen_dlg_proc, 0);
775                if (!rc)
776                    goto start;
777                break;
778    
779            case 0: /* Cancel/Abort. */
780            default:
781                DestroyWindow (hwnd);
782                free_gnupg_table ();
783                return 0;
784            }
785            update_keycache (hwnd);
786            if (!check_crypto_engine ()) {
787                DestroyWindow (hwnd);
788                free_gnupg_table ();
789                keycache_release (1);
790                return 0;
791            }
792            if (!is_gpg4win_installed ()) {
793                select_language ();
794                load_gettext ();
795            }
796        }
797        else {
798            gpg_keycache_t c;
799            if (update_keycache (hwnd)) {
800                DestroyWindow (hwnd);
801                free_gnupg_table ();
802                keycache_release (1);
803                return 0;
804            }
805            /* XXX: rewrite this part. */
806            c = keycache_get_ctx (1);
807            if (!gpg_keycache_get_size (c)) {
808                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
809                                 "Please check your GPG config (keyrings, pathes...)"),
810                                 _("WinPT Error"), MB_ERR);
811                ec = msg_box (NULL, _("It seems that GPG is not configured properly.\n"
812                                      "Do you want to start the GPG preferences dialog?"),
813                                "WinPT", MB_INFO|MB_YESNO);
814                if (ec == IDYES) {
815                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
816                                    gpgprefs_dlg_proc, 0);
817                    update_keycache (hwnd);
818                }
819                else {
820                    DestroyWindow (hwnd);
821                    free_gnupg_table ();
822                    keycache_release (1);
823                    return 0;
824                }
825            }      
826            if (check_default_key ()) {
827                char *p = get_gnupg_default_key ();
828                log_box (_("WinPT Error"), MB_ERR,
829                         _("Default key (from the GPG config file) could not be found or is unuseable.\n"
830                           "The default key will be resetted and can be set later in the Key Manager again.\n\n"
831                           "%s: secret key not found."), p? p : "?");
832                set_gnupg_default_key (NULL);
833                free_if_alloc (p);
834            }
835            if (count_insecure_elgkeys ())
836                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
837                                elgamal_warn_dlg_proc, 0);
838        }
839    
840        if (start_manager)
841            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
842    
843        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
844        keyring_check_last_access (); /* init */
845        while (GetMessage (&msg, hwnd, 0, 0)) {
846            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
847                TranslateMessage (&msg);
848                DispatchMessage (&msg);
849            }
850        }
851            
852        return 0;
853    }

Legend:
Removed from v.25  
changed lines
  Added in v.273

[email protected]
ViewVC Help
Powered by ViewVC 1.1.26