/[winpt]/trunk/Src/WinPT.cpp
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revision 30 by twoaday, Sat Oct 22 10:17:59 2005 UTC revision 231 by twoaday, Tue Jun 20 09:18:44 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    #include "wptCard.h"
39  #define MIN_GPG_VER   "1.4.3"   /* Minimal GPG version. */  #include "wptFileManager.h"
40  #define MIN_GPGME_VER "1.2.0"   /* Minimal GPGME version. */  #include "wptContext.h"
41    #include "wptCardEdit.h"
42    #include "wptCrypto.h"
43  HINSTANCE glob_hinst;   /* global instance for the dialogs */  #include "wptUTF8.h"
44  HWND glob_hwnd;         /* global window handle for the dialogs */  
45  HWND activ_hwnd;  void remove_crit_file_attrs (const char *fname, int force);
46  LOCK mo_file;  BOOL user_is_admin (void);
47  int scard_support = 0;  
48  int debug = 0;  /* Global variables. */
49  int mobile = 0;  HINSTANCE glob_hinst;   /* global instance for the dialogs */
50  int gpg_read_only = 0;  HWND glob_hwnd;         /* global window handle for the dialogs */
51  char gpgver[3];  int scard_support = 0;
52    int debug = 0;
53    int mobile_mode_active = 0;
54  /* Load the key cache and rebuild the signature cache. */  int gpg_read_only = 0;
55  static void  int admin_user = 0;
56  update_keycache (HWND hwnd)  char gpgver[3];
57  {  /* End */
58      refresh_cache_s rcs = {0};  
59      rcs.kr_reload = 0;  
60      rcs.kr_update = 1;  /* Load the key cache and rebuild the signature cache. */
61      rcs.tr_update = 1;  void
62      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  update_keycache (HWND hwnd)
63                      keycache_dlg_proc, (LPARAM)&rcs);  {
64  }      refresh_cache_s rcs = {0};
65        rcs.kr_reload = 0;
66        rcs.kr_update = 1;
67  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */      rcs.tr_update = 1;
68  void      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
69  gpg_set_debug_mode (int val)                      keycache_dlg_proc, (LPARAM)&rcs);
70  {            /* XXX: the dialog return 0 when an error occurs.
71      if (val)              in this case figure out if the gpg env is OK
72          putenv ("GPGME_DEBUG=5:gpgme.dbg");              and supress dialogs to configure gpg. */
73      else  }
74          putenv ("GPGME_DEBUG=");  
75  }  
76    /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
77    void
78  /* Return the name of the gettext language file. */  gpg_set_debug_mode (int val)
79  static char*  {
80  get_gettext_lang (void)      static char buf[256];
81  {          char tmp[128];
82      char *fname;      
83      fname = get_reg_entry_mo ();      /* XXX: no gpgme.dbg is created. */
84      if (!fname)      if (val > 0) {
85          return NULL;          GetTempPath (sizeof (tmp)-1, tmp);
86      return fname;          _snprintf (buf, sizeof (buf)-1, "GPGME_DEBUG=5:%sgpgme.dbg", tmp);
87  }          putenv (buf);
88        }
89        else
90  /* Initialize the gettext sub system. */          putenv ("GPGME_DEBUG=");
91  static void  }
92  load_gettext (void)  
93  {  
94      char *nls = NULL;  /* Initialize the gettext sub system. */
95      char *file = NULL;  static void
96    load_gettext (void)
97      nls = get_gettext_lang ();  {
98      if (nls) {      char *nls = NULL;
99          set_gettext_file ("winpt", nls);  
100          file = make_filename (nls, "winpt", "mo");      /* Return the name of the gettext language file. */
101          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {      nls = get_reg_entry_mo ();
102              msg_box (NULL, _("Could not initizalize file lock.\n"      if (nls != NULL) {
103                               "Native Language Support"),          set_gettext_file ("winpt", nls);
104                       _("WinPT Error"), MB_ERR);          free_if_alloc (nls);
105          }      }
106          free_if_alloc (nls);  }
107          free_if_alloc (file);  
108      }  
109  }  /* Return true if the GPG environment is useable. */
110    static bool
111    gpg_prefs_ok (void)
112  /* check if the default key from the gpg.conf file is available in the  {
113     keyring. if not, bail out because encryption won't work properly then. */      char *p;
114  static int  
115  check_default_key (gpg_keycache_t kc)      p = get_reg_entry_gpg4win ("gpg.exe");
116  {      if (!p || file_exist_check (p) != 0) {
117      gpgme_key_t key;          free_if_alloc (p);
118      gpgme_error_t err = GPG_ERR_NO_ERROR;          p = get_reg_entry_gpg ("gpgProgram");
119      char * defkey;          if (!p || file_exist_check (p) != 0) {
120                free_if_alloc (p);
121      defkey = get_gnupg_default_key ();              log_debug ("gpg_prefs_ok: could not locate gpg.exe");
122      if (defkey)              return false;
123          err = gpg_keycache_find_key (kc, defkey, 0, &key);          }
124      free_if_alloc (defkey);      }
125      return err? -1 : 0;      free_if_alloc (p);
126  }      p = get_reg_entry_gpg4win (NULL);    
127        if (!p || dir_exist_check (p) != 0) {
128            free_if_alloc (p);
129  /* Return the WinPT program file name (with full pathname). */          p = get_reg_entry_gpg ("HomeDir");
130  static const char *          if (!p || dir_exist_check (p) != 0) {
131  get_prog_part (const char * fname, int use_cwd)              free_if_alloc (p);
132  {              log_debug ("gpg_prefs_ok: could not determine home directory");
133      static char program[1024];              return false;
134      char currdir[256], * cmd = NULL;          }
135      int j;      }
136                free_if_alloc (p);
137      memset (currdir, 0, DIM (currdir));      return true;
138      memset (program, 0, DIM (program));  }
139            
140      if (use_cwd) {  
141          GetCurrentDirectory (DIM (currdir)-1, currdir);  /* Check gpg files if they are read-only and ask the user
142          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);     if this should be corrected. */
143      }  static void
144      else {  check_readonly_attr (const char *homedir)
145          cmd = GetCommandLine ();  {
146          if (cmd == NULL)      const char *files[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg", NULL};
147              return NULL;      char *file;
148          strncpy (currdir, cmd, 255);      int i;
149          j = strlen (currdir);  
150          while (j--) {      for (i=0; files[i] != NULL; i++) {
151              if (currdir[j] == '\\')          file = make_filename (homedir, files[i], NULL);
152                  break;                    remove_crit_file_attrs (file, 0);
153          }          free_if_alloc (file);
154          currdir[j] = 0;      }
155          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  }
156      }  
157      return program;  
158  }  /* Load the GPG environment. On the first start, some
159       checks are performed to find out in what state GPG is.
160       Return value: 0  everything OK.
161  /* Check that the underlying crypto engine fullfills the minimal                   >0  fatal error.
162     requirements so all commands work properly. */                   -1 public keyring is empty or does not exist. */
163  static int  static int
164  check_crypto_engine (void)  load_gpg_env (void)
165  {  {
166      int ma=1, mi=4, pa=3; /* GPG 1.4.3 */      SECURITY_ATTRIBUTES sec_attr;
167      int rc;      char *p;
168        char *pkr;
169      rc = check_gnupg_engine (&ma, &mi, &pa);  
170      if (rc == -1) {      p = get_reg_entry_gpg4win ("gpg.exe");
171          msg_box (NULL, _("Could not read GnuPG version."),      if (!p)
172                   _("WinPT Error"), MB_ERR);          return (1);
173          return rc;      if (file_exist_check (p)) {
174      }          free_if_alloc (p);
175      else if (rc) {          return (1);
176          log_box (_("WinPT Error"), MB_ERR,      }
177                   _("Sorry, you need a newer GPG version.\n"      free_if_alloc (p);
178                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),  
179                     ma, mi, pa);      p = get_reg_entry_gpg ("HomeDir");
180          return rc;      if (!p || dir_exist_check (p) != 0) {
181      }          free_if_alloc (p);
182      /* We enable smartcard support for GPG: 1.9 or >= 1.4 */          p = multi_gnupg_path (0);
183      if (ma >= 1 && mi >= 4)      }
184          scard_support = 1;      if (p && dir_exist_check (p)) {
185            memset (&sec_attr, 0, sizeof (sec_attr));
186      gpgver[0] = ma;          sec_attr.nLength = sizeof (sec_attr);
187      gpgver[1] = mi;          if (!CreateDirectory (p, &sec_attr)) {
188      gpgver[2] = pa;              msg_box (NULL, _("Could not create GPG home directory"),
189      return rc;                       _("WinPT Error"), MB_ERR);
190  }              free_if_alloc (p);
191                return (2);
192            }
193  /* Try to load the keyserver config file. If @quiet is 1      }
194     do not show any errors. */      check_readonly_attr (p);
195  static int      pkr = make_filename (p, "pubring", "gpg");
196  load_keyserver_conf (int quiet)      free_if_alloc (p);
197  {      if (!pkr)
198      const char * t;          return -1;
199      int rc;      if (get_file_size (pkr) == 0) {
200            free_if_alloc (pkr);
201      if (reg_prefs.kserv_conf)          return -1;
202          t = reg_prefs.kserv_conf;      }
203      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      return 0;
204          t = get_prog_part ("keyserver.conf", 0);  }
205      else  
206          t = "keyserver.conf";  
207      rc = kserver_load_conf (t);  /* check if the default key from the gpg.conf file is available in the
208      if (rc && !quiet)     keyring. if not, bail out because encryption won't work properly then. */
209          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);  static int
210      return rc;  check_default_key (gpg_keycache_t kc)
211  }  {
212        gpgme_key_t key;
213        gpgme_error_t err = gpg_error (GPG_ERR_NO_ERROR);
214  static void      char *defkey;
215  enable_mobile_mode (void)  
216  {      defkey = get_gnupg_default_key ();
217      memset (&reg_prefs, 0, sizeof (reg_prefs));      if (defkey)
218      reg_prefs.always_trust = 0;          err = gpg_keycache_find_key (kc, defkey, 0, &key);
219      reg_prefs.auto_backup = 0;      else
220      reg_prefs.cache_time = 0;          msg_box (NULL, _("No useable secret key found."),
221      reg_prefs.expert = 0;                   _("WinPT Warning"), MB_WARN);
222      reg_prefs.keylist_mode = 1;      free_if_alloc (defkey);
223      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");      return err? -1 : 0;
224      reg_prefs.no_zip_mmedia = 1;  }
225      reg_prefs.use_tmpfiles = 1;  
226      reg_prefs.word_wrap = 80;  
227      reg_prefs.use_viewer = 0; /* XXX */  /* Return the WinPT program file name (with full pathname). */
228  }  static const char*
229    get_prog_part (const char * fname, int use_cwd)
230    {
231  /* Main entry point. */      static char program[512];
232  int WINAPI      char currdir[256];
233  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      char *cmd = NULL;
234  {      int j;
235      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};          
236      HACCEL accel_tab;      memset (currdir, 0, DIM (currdir));
237      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;      memset (program, 0, DIM (program));
238      int first_start = 0, start_gpgprefs = 0;          
239      const char * s;      if (use_cwd) {
240      MSG msg;          GetCurrentDirectory (DIM (currdir)-1, currdir);
241      HWND hwnd = NULL;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
242        }
243      glob_hinst = hinst;      else {
244            cmd = GetCommandLine ();
245      #ifdef _DEBUG          if (cmd == NULL)
246      gpg_set_debug_mode (1);              return NULL;
247      debug = 1;          strncpy (currdir, cmd, sizeof (currdir)-1);
248      #endif          j = strlen (currdir);
249            while (j--) {
250      s = PTD_get_version ();              if (currdir[j] == '\\')
251      if (strcmp (s, "0.8.0")) {                  break;
252          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,          }
253                   _("Please update your PTD.dll to the newest version, "          currdir[j] = 0;
254                     "the version (%s) you use is too old."), s);          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
255          return 0;      }
256      }      return program;
257    }
258      if (gpg_md_selftest ()) {  
259          msg_box (NULL, _("Cryptographic selftest failed."),  
260                   _("WinPT Error"), MB_ERR);  /* Check that the underlying crypto engine fullfills the minimal
261          return 0;     requirements so all commands work properly. */
262      }  static bool
263    check_crypto_engine (void)
264      s = gpgme_check_version (MIN_GPGME_VER);  {
265      if (!s || !*s) {      int ma = 0, mi = 0, pa = 0;
266          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),      int rc;
267                   _("WinPT Error"), MB_ERR);  
268          return 0;      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
269      }      if (rc == -1) {
270            msg_box (NULL, _("Could not read GnuPG version."),
271      if (cmdline && stristr (cmdline, "--mobile")) {                   _("WinPT Error"), MB_ERR);
272          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",          return false;
273                   "WinPT", MB_INFO);      }
274          mobile = 1;      else if (rc) {
275      }          log_box (_("WinPT Error"), MB_ERR,
276                     _("Sorry, you need a newer GPG version.\n"
277      set_default_kserver ();                     "GPG version %d.%d.%d required GPG version "NEED_GPG_VERSION),
278                       ma, mi, pa);
279      if (!mobile) {          return false;
280          regist_inst_gnupg (1);      }
281          regist_inst_winpt (1, &created);      /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
282      }      if (ma > 1 || pa >= 3)
283      else {          scard_support = 1;
284          enable_mobile_mode ();  
285          /* XXX: ask for GPG path */      gpgver[0] = ma;
286          created = 1; /* Disable registry writing */      gpgver[1] = mi;
287      }      gpgver[2] = pa;
288        return true;
289      if (!created) {  }
290          memset (&reg_prefs, 0, sizeof (reg_prefs));  
291          reg_prefs.use_tmpfiles = 1; /* default */  
292          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */  /* Try to load the keyserver config file. If @quiet is 1
293          get_reg_winpt_prefs (&reg_prefs);     do not show any errors. */
294          if (!reg_prefs.no_hotkeys)  static int
295              hotkeys_modify ();  load_keyserver_conf (int quiet)
296      }  {
297        char *buf;
298      rc = gnupg_check_homedir ();      const char *t, *conf;
299      if (rc) {      int rc;
300          log_box (_("WinPT Error"), MB_ERR,  
301                   _("GPG home directory is not set correctly.\n"      /* Create $APPDATA\winpt if needed. */
302                     "Please check the GPG registry settings:\n%s."),      buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL);
303                   winpt_strerror (rc));      if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) {
304          const char * s = get_fileopen_dlg (GetActiveWindow (),          MessageBox (NULL, _("Failed to create WinPT directory"),
305                                             _("Select GPG Public Keyring"),                      _("Keyserver"), MB_ERR);
306                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),          free_if_alloc (buf);
307                                             NULL);          return -1;
308          if (s != NULL) {      }
309              size_t n;      free_if_alloc (buf);
310              char * p = strrchr (s, '\\');  
311              if (!p)      /* Check for $APPDATA\winpt\keyserver.conf */
312                  BUG (0);      buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL);
313              n = p - s;  
314              if (n)      conf = get_prog_part ("keyserver.conf", 0);
315              {      if (!file_exist_check (conf))
316                  char * file = new char[n+1];          t = conf;
317                  if (!file)      else
318                      BUG (NULL);          t = "keyserver.conf";
319                  memset (file, 0, n);      if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) {
320                  memcpy (file, s, n);          if (!CopyFile (t, buf, FALSE)) {
321                  file[n] = '\0';                      MessageBox (NULL, _("Failed to copy the keyserver.conf"),
322                  set_reg_entry_gpg ("HomeDir", file);                          _("Keyserver"), MB_ERR);
323                  free_if_alloc (file);              free_if_alloc (buf);
324                  gnupg_check_homedir (); /* change gpgProgram if needed */              return -1;
325              }          }
326          }          t = buf;
327          else {      }
328              msg_box (NULL, _("GPG home directory could not be determited."),      else
329                       _("WinPT Error"), MB_ERR);          t = buf;
330              goto start;      
331          }      rc = kserver_load_conf (t);
332      }      if (rc && !quiet)
333            msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
334      rc = check_gnupg_prog ();      else {
335      if (rc) {          free_if_alloc (reg_prefs.kserv_conf);
336          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"          reg_prefs.kserv_conf = m_strdup (t);
337                               "Do you want to start the GPG preferences to "      }
338                               "correct  this problem?"), _("WinPT Error"),      free_if_alloc (buf);
339                               MB_INFO|MB_YESNO) == IDYES)      return rc;
340              start_gpgprefs = 1;  }
341          else  
342          {  
343              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);  /* Check if both keyrings are empty. This indicates that
344              return 0;     WinPT should offer to generate a key pair. */
345          }  static bool
346      }  check_for_empty_keyrings (bool pub_only)
347    {
348      rc = gnupg_access_files ();      char *p;
349      if (!start_gpgprefs && rc)      int n = 0;
350      {  
351          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)      p = get_gnupg_keyring (1, 0);
352          {      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
353              ec = msg_box (NULL,          n++;
354                  _("Could not access and/or find the public and secret keyring.\n"      free_if_alloc (p);
355                    "If this is an accident, quit the program and fix it.\n\n"      if (pub_only)
356                    "Continue if you want that WinPT offers you more choices.\n"),          return n == 1? true : false;
357                    "WinPT", MB_INFO|MB_YESNO);      p = get_gnupg_keyring (0, 0);
358              if (ec == IDYES)      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
359                  first_start = 1;          n++;
360          }      free_if_alloc (p);
361          if (!first_start)      return n==2? true : false;
362          {  }
363              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);  
364              return 0;  
365          }  /* Enable the mobility mode. */
366      }  static int
367    enable_mobile_mode (void)
368      if (!first_start)  {
369      {      if (dir_exist_check ("temp") != 0) {
370          rc = gpg_check_permissions (1);          if (!CreateDirectory ("temp", NULL)) {
371          if (rc && rc == 2)              MessageBox (NULL, "Could not create mobile temp directory",
372              gpg_read_only = 1;                          "WinPT Mobile Error", MB_ERR);
373          else if (rc)              return -1;
374              return 0;          }
375      }      }
376    
377      load_gettext ();      memset (&reg_prefs, 0, sizeof (reg_prefs));
378      init_gnupg_table ();      reg_prefs.always_trust = 0;
379        reg_prefs.auto_backup = 0;
380      nfiles = fm_parse_command_line (cmdline);      reg_prefs.cache_time = 0;
381      if (nfiles > 0)      reg_prefs.expert = 0;
382          return 0;      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
383        reg_prefs.no_zip_mmedia = 1;
384      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      reg_prefs.word_wrap = 80;
385          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,      reg_prefs.use_viewer = 0; /* XXX */
386                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,      return 0;
387                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);  }
388          free_gnupg_table ();  
389          return 0;  
390      }  void
391    set_default_keyserver (void)
392      load_keyserver_conf (cmdline? 1 : 0);  {
393        char *host = get_reg_entry_keyserver ("Default");
394      if (cmdline && (stristr (cmdline, "--keymanager")      char *str_port = get_reg_entry_keyserver ("Default_Port");
395                  || stristr (cmdline, "--cardmanager"))) {      WORD port = HKP_PORT;
396          update_keycache (GetDesktopWindow ());  
397          if (stristr (cmdline, "keymanager"))      if (!host)
398              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,          keyserver_set_default (NULL, 0);
399                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      else {
400                              _("Key Manager"), IDS_WINPT_KEYMISC);            if (str_port && *str_port)
401          else {              port = atoi (str_port);
402              gpg_card_t crd = gpg_card_load ();          keyserver_set_default (host, port);
403              if (crd)      }
404                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,      free_if_alloc (host);
405                                    GetDesktopWindow(), card_edit_dlg_proc,      free_if_alloc (str_port);
406                                    (LPARAM)crd, _("Card Manager"),  }
407                                    IDS_WINPT_CARD_EDIT);  
408              gpg_card_release (crd);  
409          }  /* Display info message that WinPT is now in debug mode. */
410          keycache_release (0);  void
411          free_gnupg_table ();  winpt_debug_msg (void)
412          return 0;  {      
413      }      char output[512];
414        char temp[128];
415      CreateMutex (NULL, TRUE, PGM_NAME);          
416      if (GetLastError () == ERROR_ALREADY_EXISTS) {      GetTempPath (sizeof temp -1, temp);
417          free_gnupg_table ();      _snprintf (output, sizeof output - 1,
418          return 0;          "The GPGME output file is %sgpgme.dbg\n"
419      }          "The WinPT output file is %swinpt.log\n", temp, temp);
420        MessageBox (NULL, output, "WinPT now runs in DEBUG MODE", MB_INFO);
421      if (cmdline) {  }
422          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {  
423              gpg_set_debug_mode (1);  
424              winpt_debug_msg ();  /* Search for insecure ElGamal keys and return the
425              debug = 1;     number of founded keys. */
426          }  static int
427      }  count_insecure_elgkeys (void)
428    {
429      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));      gpg_keycache_t pc;
430      rc = RegisterClass (&wc);      gpgme_key_t key;
431      if (rc == FALSE) {      int n = 0;
432          msg_box (NULL, _("Could not register window class"),  
433                   _("WinPT Error"), MB_ERR);      pc = keycache_get_ctx (1);
434          free_gnupg_table ();      while (!gpg_keycache_next_key (pc, 0, &key)) {
435          return 0;          if (key->subkeys->pubkey_algo == GPGME_PK_ELG)
436      }              n++;
437        }
438      hwnd = CreateWindow (PGM_NAME,      gpg_keycache_rewind (pc);
439                           PGM_NAME,      return n;
440                           0, 0, 0, 0, 0,  }
441                           NULL,  
442                           NULL,  
443                           hinst,  /* Main entry point. */
444                           NULL);  int WINAPI
445      if (hwnd == NULL) {  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
446          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);  {
447          free_gnupg_table ();      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
448          return 0;      HACCEL accel_tab;
449      }      MSG msg;
450      glob_hwnd = hwnd;      HWND hwnd = NULL;
451      UpdateWindow (hwnd);      int rc, ec, created = 0;
452        int first_start = 0, start_gpgprefs = 0;
453      if (!first_start && !start_gpgprefs) {      int winpt_inst_found = 0;
454          gnupg_backup_options ();              int start_manager = 0;
455          rc = check_crypto_engine ();      const char *s;
456          if (rc) {  
457              DestroyWindow (hwnd);      glob_hinst = hinst;
458              free_gnupg_table ();      if (cmdline && stristr (cmdline, "--stop")) {
459              return 0;          hwnd = FindWindow ("WinPT", "WinPT");
460          }          if (hwnd != NULL)
461      }              PostMessage (hwnd, WM_DESTROY, 0, 0);
462                return 0;
463      if (start_gpgprefs) {      }
464          char *ring;  
465          size_t size = 0;      #ifdef _DEBUG
466          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      gpg_set_debug_mode (1);
467                          gpgprefs_dlg_proc, NULL);      debug = 1;
468          ring = get_gnupg_keyring (0, !NO_STRICT);      #endif
469          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)  
470              first_start = 1; /* The keyring is empty! */      /* XXX
471          free_if_alloc (ring);      WORD ver[3], ptdver[4];
472      }      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
473        get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
474      if (first_start) {                                   &ptdver[2], &ptdver[3]);
475          struct first_start_s fs;      
476          struct genkey_s c;      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
477          HWND h;          log_box (_("WinPT Error"), MB_ERR,
478  start:                   _("The PTD.dll file has a different version than WinPT.exe\n"
479          h = GetDesktopWindow ();                     "Please update the PTD.dll to version %d.%d.%d"),
480          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,                     ver[0], ver[1], ver[2]);
481                              gpgprefs_dlg_proc, NULL);          return 0;
482          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,      }
483                          first_run_dlg_proc, (LPARAM)&fs);      */
484          switch (fs.choice) {  
485          case SETUP_KEYGEN:      if (gpg_md_selftest ()) {
486              c.interactive = 1;          msg_box (NULL, _("Cryptographic selftest failed."),
487              c.first_start = 1;                   _("WinPT Error"), MB_ERR);
488              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,          return 0;
489                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);      }
490              if (!rc)  
491                  goto start;      s = gpgme_check_version (NEED_GPGME_VERSION);
492              break;      if (!s || !*s) {
493            msg_box (NULL, _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
494          case SETUP_IMPORT:                   _("WinPT Error"), MB_ERR);
495              rc = gnupg_copy_keyrings ();          return 0;
496              if (rc) {      }
497                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);  
498                  goto start;      CreateMutex (NULL, TRUE, PGM_NAME);
499              }      if (GetLastError () == ERROR_ALREADY_EXISTS)
500              break;          winpt_inst_found = 1;
501    
502          case -1:      if (cmdline && stristr (cmdline, "--mobile")) {
503              DestroyWindow (hwnd);          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
504              free_gnupg_table ();                   "WinPT", MB_INFO);
505              return 0;          mobile_mode_active = 1;
506          }      }
507          update_keycache (hwnd);      
508          check_crypto_engine ();      set_default_keyserver ();
509      }      load_gettext ();
510      else {      admin_user = user_is_admin ();
511          gpg_keycache_t c;  
512          update_keycache (hwnd);      if (!mobile_mode_active) {
513          c = keycache_get_ctx (1);          regist_inst_gnupg (1);
514          if (!c || !gpg_keycache_get_size (c)) {          regist_inst_winpt (1, &created);
515              gnupg_display_error ();      }
516              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"      else {
517                               "Please check your GPG config (keyrings, pathes...)"),          if (enable_mobile_mode ())
518                               _("WinPT Error"), MB_ERR);              return 0;
519              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"          created = 1; /* Disable registry writing */
520                                    "Do you want to start the GPG preferences dialog?"),      }
521                              "WinPT", MB_INFO|MB_YESNO);  
522              if (ec == IDYES) {      if (!created) {
523                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,          memset (&reg_prefs, 0, sizeof (reg_prefs));
524                                  gpgprefs_dlg_proc, NULL);          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
525                  update_keycache (hwnd);          get_reg_winpt_prefs (&reg_prefs);
526              }          gnupg_load_config ();
527              else {      }
528                  DestroyWindow (hwnd);  
529                  free_gnupg_table ();      if (is_gpg4win_installed ())
530                  return 0;          load_gpg_env (); /* XXX: check return code. */
531              }  
532          }      rc = gnupg_check_homedir ();
533          if (check_default_key (c)) {      if (rc) {
534              char * p = get_gnupg_default_key ();          log_box (_("WinPT Error"), MB_ERR,
535              log_box (_("WinPT Error"), MB_ERR,                   _("GPG home directory is not set correctly.\n"
536                       _("Default key from the GPG options file could not be found.\n"                     "Please check the GPG registry settings:\n%s."),
537                         "Please check your gpg.conf (options) to correct this:\n\n"                   winpt_strerror (rc));
538                         "%s: public key not found."), p? p : "[null]");          s = get_fileopen_dlg (GetActiveWindow (),
539              free_if_alloc (p);                                _("Select GPG Public Keyring"),
540              DestroyWindow (hwnd);                                "GPG Keyrings (*.gpg)\0*.gpg\0\0",
541              free_gnupg_table ();                                NULL);
542              return 0;          if (s != NULL) {
543          }              size_t n;
544          if (count_insecure_elgkeys ())              char *p = strrchr (s, '\\');
545              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              if (!p)
546                              elgamal_warn_dlg_proc, NULL);                  BUG (0);
547      }              n = p - s;
548                if (n) {
549      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);                  char *file = new char[n+1];
550      keyring_check_last_access (); /* init */                  if (!file)
551      while (GetMessage (&msg, hwnd, 0, 0)) {                      BUG (NULL);
552          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {                  memset (file, 0, n);
553              TranslateMessage (&msg);                  memcpy (file, s, n);
554              DispatchMessage (&msg);                  file[n] = '\0';        
555          }                  set_reg_entry_gpg ("HomeDir", file);
556      }                  free_if_alloc (file);
557                            gnupg_check_homedir (); /* change gpgProgram if needed */
558      return 0;              }
559  }          }
560            else {
561                msg_box (NULL, _("GPG home directory could not be determined."),
562                         _("WinPT Error"), MB_ERR);
563                goto start;
564            }
565        }
566    
567        rc = check_gnupg_prog ();
568        if (rc) {
569            if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
570                                 "Do you want to start the GPG preferences to "
571                                 "correct  this problem?"), _("WinPT Error"),
572                                 MB_INFO|MB_YESNO) == IDYES)
573                start_gpgprefs = 1;
574            else {
575                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
576                return 0;
577            }
578        }
579    
580        rc = gnupg_access_files ();
581        if (!start_gpgprefs && rc) {
582            if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
583                ec = msg_box (NULL,
584                    _("Could not access and/or find the public and secret keyring.\n"
585                      "If this is an accident, quit the program and fix it.\n\n"
586                      "Continue if you want that WinPT offers you more choices.\n"),
587                      "WinPT", MB_INFO|MB_YESNO);
588                if (ec == IDYES)
589                    first_start = 1;
590            }
591            if (!first_start) {
592                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
593                return 0;
594            }
595        }
596        if (check_for_empty_keyrings (false))
597            first_start = 1;
598    
599        if (!first_start) {
600            rc = gpg_check_permissions (1);
601            if (rc && rc == 2)
602                gpg_read_only = 1;
603            else if (rc)
604                return 0;
605        }
606        
607        init_gnupg_table ();
608    
609        if (fm_parse_command_line (cmdline) > 0) {
610            free_gnupg_table ();
611            return 0;
612        }
613    
614        if (cmdline && stristr (cmdline, "--wipe-freespace")) {
615            dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
616                                GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
617                                _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
618            free_gnupg_table ();
619            return 0;
620        }
621    
622        load_keyserver_conf (cmdline? 1 : 0);
623    
624        if (cmdline && (stristr (cmdline, "--keymanager")
625                    || stristr (cmdline, "--cardmanager"))) {
626            /* If an instance of WinPT is running, just send the command
627               to open the key manager. Otherwise start a new instance.
628             */
629            HWND tray = FindWindow ("WinPT", "WinPT");
630            if (stristr (cmdline, "keymanager"))
631                start_manager = ID_WINPT_KEY;
632            else
633                start_manager = ID_WINPT_CARD;
634            if (tray != NULL) {
635                PostMessage (tray, WM_COMMAND, start_manager, 0);
636                free_gnupg_table ();
637                return 0;
638            }
639        }
640    
641        /* If we found another WinPT instance, just quit to avoid it
642           will be executed twice. */
643        if (winpt_inst_found) {
644            log_debug ("%s", "WinMain: WinPT is already running.");
645            free_gnupg_table ();
646            return 0;
647        }
648    
649        if (cmdline && (stristr (cmdline, "--enable-debug") ||
650                        stristr (cmdline, "--debug"))) {
651            gpg_set_debug_mode (1);
652            winpt_debug_msg ();
653            debug = 1;
654        }
655    
656        wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
657        rc = RegisterClass (&wc);
658        if (rc == FALSE) {
659            msg_box (NULL, _("Could not register window class"),
660                     _("WinPT Error"), MB_ERR);
661            free_gnupg_table ();
662            return 0;
663        }
664    
665        hwnd = CreateWindow (PGM_NAME,
666                             PGM_NAME,
667                             0, 0, 0, 0, 0,
668                             NULL,
669                             NULL,
670                             hinst,
671                             NULL);
672        if (hwnd == NULL) {
673            msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
674            free_gnupg_table ();
675            return 0;
676        }
677        glob_hwnd = hwnd;
678        UpdateWindow (hwnd);
679    
680        if (!first_start && !start_gpgprefs) {
681            gnupg_backup_options ();        
682            if (!check_crypto_engine ()) {
683                DestroyWindow (hwnd);
684                free_gnupg_table ();
685                return 0;
686            }
687        }
688        
689        if (start_gpgprefs) {
690            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
691                            gpgprefs_dlg_proc, 0);
692            if (check_for_empty_keyrings (true))
693                first_start = 1; /* The public keyring is empty! */
694        }
695    
696        if (first_start) {
697            struct genkey_s c;
698            int choice;
699            HWND h;
700    start:
701            h = GetDesktopWindow ();
702            if (!gpg_prefs_ok ())
703                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
704                                gpgprefs_dlg_proc, 0);
705            choice = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
706                                     first_run_dlg_proc, 0);
707            switch (choice) {
708            case SETUP_KEYGEN:
709                c.interactive = 1;
710                c.first_start = 1;
711                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
712                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
713                if (!rc)
714                    goto start;
715                break;
716    
717            case SETUP_IMPORT:
718                rc = gnupg_copy_keyrings ();
719                if (rc) {
720                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
721                    goto start;
722                }
723                break;
724    
725            case 0: /* Cancel/Abort. */
726            default:
727                DestroyWindow (hwnd);
728                free_gnupg_table ();
729                return 0;
730            }
731            update_keycache (hwnd);
732            if (!check_crypto_engine ()) {
733                DestroyWindow (hwnd);
734                free_gnupg_table ();
735                return 0;
736            }
737            if (!is_gpg4win_installed ()) {
738                select_language ();
739                load_gettext ();
740            }
741        }
742        else {
743            gpg_keycache_t c, sec_c;
744            update_keycache (hwnd);
745            c = keycache_get_ctx (1);
746            if (!c || !gpg_keycache_get_size (c)) {
747                gnupg_display_error ();
748                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
749                                 "Please check your GPG config (keyrings, pathes...)"),
750                                 _("WinPT Error"), MB_ERR);
751                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
752                                      "Do you want to start the GPG preferences dialog?"),
753                                "WinPT", MB_INFO|MB_YESNO);
754                if (ec == IDYES) {
755                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
756                                    gpgprefs_dlg_proc, 0);
757                    update_keycache (hwnd);
758                }
759                else {
760                    DestroyWindow (hwnd);
761                    free_gnupg_table ();
762                    return 0;
763                }
764            }
765            sec_c = keycache_get_ctx (0);
766            if (check_default_key (sec_c)) {
767                char *p = get_gnupg_default_key ();
768                log_box (_("WinPT Error"), MB_ERR,
769                         _("Default key (from the GPG config file) could not be found.\n"
770                           "Please check your gpg.conf or set a new default key to correct it:\n\n"
771                           "%s: public key not found."), p? p : "[null]");
772                set_gnupg_default_key (NULL);
773            }
774            if (count_insecure_elgkeys ())
775                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
776                                elgamal_warn_dlg_proc, 0);
777        }
778    
779        if (start_manager)
780            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
781    
782        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
783        keyring_check_last_access (); /* init */
784        while (GetMessage (&msg, hwnd, 0, 0)) {
785            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
786                TranslateMessage (&msg);
787                DispatchMessage (&msg);
788            }
789        }
790            
791        return 0;
792    }

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