/[winpt]/trunk/Src/WinPT.cpp
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revision 32 by twoaday, Mon Oct 24 08:03:48 2005 UTC revision 208 by twoaday, Mon May 1 12:22:18 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  #define MIN_PTD_VER   "0.8.1"   /* Minimal PTD version. */  #include "wptCardEdit.h"
42    #include "wptCrypto.h"
43    #include "wptUTF8.h"
44  HINSTANCE glob_hinst;   /* global instance for the dialogs */  
45  HWND glob_hwnd;         /* global window handle for the dialogs */  void remove_crit_file_attrs (const char *fname, int force);
46  HWND activ_hwnd;  BOOL user_is_admin (void);
47  LOCK mo_file;  
48  int scard_support = 0;  /* Global variables. */
49  int debug = 0;  HINSTANCE glob_hinst;   /* global instance for the dialogs */
50  int mobile = 0;  HWND glob_hwnd;         /* global window handle for the dialogs */
51  int gpg_read_only = 0;  int scard_support = 0;
52  char gpgver[3];  int debug = 0;
53    int mobile_mode_active = 0;
54    int gpg_read_only = 0;
55  /* Load the key cache and rebuild the signature cache. */  int admin_user = 0;
56  static void  char gpgver[3];
57  update_keycache (HWND hwnd)  /* End */
58  {  
59      refresh_cache_s rcs = {0};  
60      rcs.kr_reload = 0;  /* Load the key cache and rebuild the signature cache. */
61      rcs.kr_update = 1;  void
62      rcs.tr_update = 1;  update_keycache (HWND hwnd)
63      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  {
64                      keycache_dlg_proc, (LPARAM)&rcs);      refresh_cache_s rcs = {0};
65  }      rcs.kr_reload = 0;
66        rcs.kr_update = 1;
67        rcs.tr_update = 1;
68  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
69  void                      keycache_dlg_proc, (LPARAM)&rcs);
70  gpg_set_debug_mode (int val)      /* XXX: the dialog return 0 when an error occurs.
71  {                    in this case figure out if the gpg env is OK
72      if (val)              and supress dialogs to configure gpg. */
73          putenv ("GPGME_DEBUG=5:gpgme.dbg");  }
74      else  
75          putenv ("GPGME_DEBUG=");  
76  }  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
77    void
78    gpg_set_debug_mode (int val)
79  /* Return the name of the gettext language file. */  {
80  static char*      static char buf[256];
81  get_gettext_lang (void)      char tmp[128];
82  {          
83      char *fname;      /* XXX: no gpgme.dbg is created. */
84      fname = get_reg_entry_mo ();      if (val > 0) {
85      if (!fname)          GetTempPath (sizeof (tmp)-1, tmp);
86          return NULL;          _snprintf (buf, sizeof (buf)-1, "GPGME_DEBUG=5:%sgpgme.dbg", tmp);
87      return fname;          putenv (buf);
88  }      }
89        else
90            putenv ("GPGME_DEBUG=");
91  /* Initialize the gettext sub system. */  }
92  static void  
93  load_gettext (void)  
94  {  /* Initialize the gettext sub system. */
95      char *nls = NULL;  static void
96      char *file = NULL;  load_gettext (void)
97    {
98      nls = get_gettext_lang ();      char *nls = NULL;
99      if (nls) {  
100          set_gettext_file ("winpt", nls);      /* Return the name of the gettext language file. */
101          file = make_filename (nls, "winpt", "mo");      nls = get_reg_entry_mo ();
102          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {      if (nls != NULL) {
103              msg_box (NULL, _("Could not initizalize file lock.\n"          set_gettext_file ("winpt", nls);
104                               "Native Language Support"),          free_if_alloc (nls);
105                       _("WinPT Error"), MB_ERR);      }
106          }  }
107          free_if_alloc (nls);  
108          free_if_alloc (file);  
109      }  /* Return true if the GPG environment is useable. */
110  }  static bool
111    gpg_prefs_ok (void)
112    {
113  /* check if the default key from the gpg.conf file is available in the      char *p;
114     keyring. if not, bail out because encryption won't work properly then. */  
115  static int      p = get_reg_entry_gpg4win ("gpg.exe");
116  check_default_key (gpg_keycache_t kc)      if (!p || file_exist_check (p) != 0) {
117  {          free_if_alloc (p);
118      gpgme_key_t key;          p = get_reg_entry_gpg ("gpgProgram");
119      gpgme_error_t err = GPG_ERR_NO_ERROR;          if (!p || file_exist_check (p) != 0) {
120      char * defkey;              free_if_alloc (p);
121                log_debug ("gpg_prefs_ok: could not locate gpg.exe");
122      defkey = get_gnupg_default_key ();              return false;
123      if (defkey)          }
124          err = gpg_keycache_find_key (kc, defkey, 0, &key);      }
125      free_if_alloc (defkey);      free_if_alloc (p);
126      return err? -1 : 0;      p = get_reg_entry_gpg4win (NULL);    
127  }      if (!p || dir_exist_check (p) != 0) {
128            free_if_alloc (p);
129            p = get_reg_entry_gpg ("HomeDir");
130  /* Return the WinPT program file name (with full pathname). */          if (!p || dir_exist_check (p) != 0) {
131  static const char *              free_if_alloc (p);
132  get_prog_part (const char * fname, int use_cwd)              log_debug ("gpg_prefs_ok: could not determine home directory");
133  {              return false;
134      static char program[512];          }
135      char currdir[256];      }
136      char *cmd = NULL;      free_if_alloc (p);
137      int j;      return true;
138            }
139      memset (currdir, 0, DIM (currdir));  
140      memset (program, 0, DIM (program));  
141            /* Check gpg files if they are read-only and ask the user
142      if (use_cwd) {     if this should be corrected. */
143          GetCurrentDirectory (DIM (currdir)-1, currdir);  static void
144          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);  check_readonly_attr (const char *homedir)
145      }  {
146      else {      const char *files[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg", NULL};
147          cmd = GetCommandLine ();      char *file;
148          if (cmd == NULL)      int i;
149              return NULL;  
150          strncpy (currdir, cmd, sizeof (currdir)-1);      for (i=0; files[i] != NULL; i++) {
151          j = strlen (currdir);          file = make_filename (homedir, files[i], NULL);
152          while (j--) {          remove_crit_file_attrs (file, 0);
153              if (currdir[j] == '\\')          free_if_alloc (file);
154                  break;      }
155          }  }
156          currdir[j] = 0;  
157          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);  
158      }  /* Load the GPG environment. On the first start, some
159      return program;     checks are performed to find out in what state GPG is.
160  }     Return value: 0  everything OK.
161                     >0  fatal error.
162                     -1 public keyring is empty or does not exist. */
163  /* Check that the underlying crypto engine fullfills the minimal  static int
164     requirements so all commands work properly. */  load_gpg_env (void)
165  static int  {
166  check_crypto_engine (void)      SECURITY_ATTRIBUTES sec_attr;
167  {      char *p;
168      int ma=1, mi=4, pa=3; /* GPG 1.4.3 */      char *pkr;
169      int rc;  
170        p = get_reg_entry_gpg4win ("gpg.exe");
171      rc = check_gnupg_engine (&ma, &mi, &pa);      if (!p)
172      if (rc == -1) {          return (1);
173          msg_box (NULL, _("Could not read GnuPG version."),      if (file_exist_check (p)) {
174                   _("WinPT Error"), MB_ERR);          free_if_alloc (p);
175          return rc;          return (1);
176      }      }
177      else if (rc) {      free_if_alloc (p);
178          log_box (_("WinPT Error"), MB_ERR,  
179                   _("Sorry, you need a newer GPG version.\n"      p = get_reg_entry_gpg ("HomeDir");
180                     "GPG version %d.%d.%d required GPG version "MIN_GPG_VER),      if (!p || dir_exist_check (p) != 0) {
181                     ma, mi, pa);          free_if_alloc (p);
182          return rc;          p = multi_gnupg_path (0);
183      }      }
184      /* We enable smartcard support for GPG: 1.9 or >= 1.4 */      if (p && dir_exist_check (p)) {
185      if (ma >= 1 && mi >= 4)          memset (&sec_attr, 0, sizeof (sec_attr));
186          scard_support = 1;          sec_attr.nLength = sizeof (sec_attr);
187            if (!CreateDirectory (p, &sec_attr)) {
188      gpgver[0] = ma;              msg_box (NULL, _("Could not create GPG home directory"),
189      gpgver[1] = mi;                       _("WinPT Error"), MB_ERR);
190      gpgver[2] = pa;              free_if_alloc (p);
191      return rc;              return (2);
192  }          }
193        }
194        check_readonly_attr (p);
195  /* Try to load the keyserver config file. If @quiet is 1      pkr = make_filename (p, "pubring", "gpg");
196     do not show any errors. */      free_if_alloc (p);
197  static int      if (!pkr)
198  load_keyserver_conf (int quiet)          return -1;
199  {      if (get_file_size (pkr) == 0) {
200      const char * t;          free_if_alloc (pkr);
201      int rc;          return -1;
202        }
203      if (reg_prefs.kserv_conf)      return 0;
204          t = reg_prefs.kserv_conf;  }
205      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))  
206          t = get_prog_part ("keyserver.conf", 0);  
207      else  /* check if the default key from the gpg.conf file is available in the
208          t = "keyserver.conf";     keyring. if not, bail out because encryption won't work properly then. */
209      rc = kserver_load_conf (t);  static int
210      if (rc && !quiet)  check_default_key (gpg_keycache_t kc)
211          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);  {
212      return rc;      gpgme_key_t key;
213  }      gpgme_error_t err = gpg_error (GPG_ERR_NO_ERROR);
214        char *defkey;
215    
216  /* Enable the mobility mode. */      defkey = get_gnupg_default_key ();
217  static void      if (defkey)
218  enable_mobile_mode (void)          err = gpg_keycache_find_key (kc, defkey, 0, &key);
219  {      else
220      memset (&reg_prefs, 0, sizeof (reg_prefs));          msg_box (NULL, _("No useable secret key found."),
221      reg_prefs.always_trust = 0;                   _("WinPT Error"), MB_ERR);
222      reg_prefs.auto_backup = 0;      free_if_alloc (defkey);
223      reg_prefs.cache_time = 0;      return err? -1 : 0;
224      reg_prefs.expert = 0;  }
225      reg_prefs.keylist_mode = 1;  
226      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");  
227      reg_prefs.no_zip_mmedia = 1;  /* Return the WinPT program file name (with full pathname). */
228      reg_prefs.use_tmpfiles = 1;  static const char*
229      reg_prefs.word_wrap = 80;  get_prog_part (const char * fname, int use_cwd)
230      reg_prefs.use_viewer = 0; /* XXX */  {
231  }      static char program[512];
232        char currdir[256];
233        char *cmd = NULL;
234  /* Main entry point. */      int j;
235  int WINAPI          
236  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      memset (currdir, 0, DIM (currdir));
237  {      memset (program, 0, DIM (program));
238      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};          
239      HACCEL accel_tab;      if (use_cwd) {
240      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;          GetCurrentDirectory (DIM (currdir)-1, currdir);
241      int first_start = 0, start_gpgprefs = 0;          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
242      const char * s;      }
243      MSG msg;      else {
244      HWND hwnd = NULL;          cmd = GetCommandLine ();
245            if (cmd == NULL)
246      glob_hinst = hinst;              return NULL;
247            strncpy (currdir, cmd, sizeof (currdir)-1);
248      #ifdef _DEBUG          j = strlen (currdir);
249      gpg_set_debug_mode (1);          while (j--) {
250      debug = 1;              if (currdir[j] == '\\')
251      #endif                  break;
252            }
253      s = PTD_get_version ();          currdir[j] = 0;
254      if (strcmp (s, MIN_PTD_VER)) {          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
255          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,      }
256                   _("Please update your PTD.dll to the newest version, "      return program;
257                     "the version (%s) you use is too old."), s);  }
258          return 0;  
259      }  
260    /* Check that the underlying crypto engine fullfills the minimal
261      if (gpg_md_selftest ()) {     requirements so all commands work properly. */
262          msg_box (NULL, _("Cryptographic selftest failed."),  static bool
263                   _("WinPT Error"), MB_ERR);  check_crypto_engine (void)
264          return 0;  {
265      }      int ma = 0, mi = 0, pa = 0;
266        int rc;
267      s = gpgme_check_version (MIN_GPGME_VER);  
268      if (!s || !*s) {      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
269          msg_box (NULL, _("A newer GPGME version is needed; at least "MIN_GPGME_VER),      if (rc == -1) {
270                   _("WinPT Error"), MB_ERR);          msg_box (NULL, _("Could not read GnuPG version."),
271          return 0;                   _("WinPT Error"), MB_ERR);
272      }          return false;
273        }
274      if (cmdline && stristr (cmdline, "--mobile")) {      else if (rc) {
275          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",          log_box (_("WinPT Error"), MB_ERR,
276                   "WinPT", MB_INFO);                   _("Sorry, you need a newer GPG version.\n"
277          mobile = 1;                     "GPG version %d.%d.%d required GPG version "NEED_GPG_VERSION),
278      }                     ma, mi, pa);
279            return false;
280      set_default_kserver ();      }
281        /* We enable smartcard support for GPG: >= 2 or >= 1.4.3 */
282      if (!mobile) {      if (ma > 1 || pa >= 3)
283          regist_inst_gnupg (1);          scard_support = 1;
284          regist_inst_winpt (1, &created);  
285      }      gpgver[0] = ma;
286      else {      gpgver[1] = mi;
287          enable_mobile_mode ();      gpgver[2] = pa;
288          /* XXX: ask for GPG path */      return true;
289          created = 1; /* Disable registry writing */  }
290      }  
291    
292      if (!created) {  /* Try to load the keyserver config file. If @quiet is 1
293          memset (&reg_prefs, 0, sizeof (reg_prefs));     do not show any errors. */
294          reg_prefs.use_tmpfiles = 1; /* default */  static int
295          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */  load_keyserver_conf (int quiet)
296          get_reg_winpt_prefs (&reg_prefs);  {
297          if (!reg_prefs.no_hotkeys)      char *buf;
298              hotkeys_modify ();      const char *t, *conf;
299      }      int rc;
300    
301      rc = gnupg_check_homedir ();      /* Create $APPDATA\winpt if needed. */
302      if (rc) {      buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL);
303          log_box (_("WinPT Error"), MB_ERR,      if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) {
304                   _("GPG home directory is not set correctly.\n"          MessageBox (NULL, _("Failed to create WinPT directory"),
305                     "Please check the GPG registry settings:\n%s."),                      _("Keyserver"), MB_ERR);
306                   winpt_strerror (rc));          free_if_alloc (buf);
307          const char * s = get_fileopen_dlg (GetActiveWindow (),          return -1;
308                                             _("Select GPG Public Keyring"),      }
309                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),      free_if_alloc (buf);
310                                             NULL);  
311          if (s != NULL) {      /* Check for $APPDATA\winpt\keyserver.conf */
312              size_t n;      buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL);
313              char * p = strrchr (s, '\\');  
314              if (!p)      conf = get_prog_part ("keyserver.conf", 0);
315                  BUG (0);      if (!file_exist_check (conf))
316              n = p - s;          t = conf;
317              if (n)      else
318              {          t = "keyserver.conf";
319                  char * file = new char[n+1];      if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) {
320                  if (!file)          if (!CopyFile (t, buf, FALSE)) {
321                      BUG (NULL);              MessageBox (NULL, _("Failed to copy the keyserver.conf"),
322                  memset (file, 0, n);                          _("Keyserver"), MB_ERR);
323                  memcpy (file, s, n);              free_if_alloc (buf);
324                  file[n] = '\0';                      return -1;
325                  set_reg_entry_gpg ("HomeDir", file);          }
326                  free_if_alloc (file);          t = buf;
327                  gnupg_check_homedir (); /* change gpgProgram if needed */      }
328              }      else
329          }          t = buf;
330          else {      
331              msg_box (NULL, _("GPG home directory could not be determited."),      rc = kserver_load_conf (t);
332                       _("WinPT Error"), MB_ERR);      if (rc && !quiet)
333              goto start;          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
334          }      else {
335      }          free_if_alloc (reg_prefs.kserv_conf);
336            reg_prefs.kserv_conf = m_strdup (t);
337      rc = check_gnupg_prog ();      }
338      if (rc) {      free_if_alloc (buf);
339          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"      return rc;
340                               "Do you want to start the GPG preferences to "  }
341                               "correct  this problem?"), _("WinPT Error"),  
342                               MB_INFO|MB_YESNO) == IDYES)  
343              start_gpgprefs = 1;  /* Check if both keyrings are empty. This indicates that
344          else     WinPT should offer to generate a key pair. */
345          {  static bool
346              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);  check_for_empty_keyrings (bool pub_only)
347              return 0;  {
348          }      char *p;
349      }      int n = 0;
350    
351      rc = gnupg_access_files ();      p = get_gnupg_keyring (1, 0);
352      if (!start_gpgprefs && rc) {      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
353          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {          n++;
354              ec = msg_box (NULL,      free_if_alloc (p);
355                  _("Could not access and/or find the public and secret keyring.\n"      if (pub_only)
356                    "If this is an accident, quit the program and fix it.\n\n"          return n == 1? true : false;
357                    "Continue if you want that WinPT offers you more choices.\n"),      p = get_gnupg_keyring (0, 0);
358                    "WinPT", MB_INFO|MB_YESNO);      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
359              if (ec == IDYES)          n++;
360                  first_start = 1;      free_if_alloc (p);
361          }      return n==2? true : false;
362          if (!first_start) {  }
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          rc = gpg_check_permissions (1);      if (dir_exist_check ("temp") != 0) {
370          if (rc && rc == 2)          if (!CreateDirectory ("temp", NULL)) {
371              gpg_read_only = 1;              MessageBox (NULL, "Could not create mobile temp directory",
372          else if (rc)                          "WinPT Mobile Error", MB_ERR);
373              return 0;              return -1;
374      }          }
375        }
376      load_gettext ();  
377      init_gnupg_table ();      memset (&reg_prefs, 0, sizeof (reg_prefs));
378        reg_prefs.always_trust = 0;
379      nfiles = fm_parse_command_line (cmdline);      reg_prefs.auto_backup = 0;
380      if (nfiles > 0) {      reg_prefs.cache_time = 0;
381          free_gnupg_table ();      reg_prefs.expert = 0;
382          return 0;      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");
383      }      reg_prefs.no_zip_mmedia = 1;
384        reg_prefs.use_tmpfiles = 1;
385      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      reg_prefs.word_wrap = 80;
386          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,      reg_prefs.use_viewer = 0; /* XXX */
387                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,      return 0;
388                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);  }
389          free_gnupg_table ();  
390          return 0;  
391      }  void
392    set_default_keyserver (void)
393      load_keyserver_conf (cmdline? 1 : 0);  {
394        char *host = get_reg_entry_keyserver ("Default");
395      if (cmdline && (stristr (cmdline, "--keymanager")      char *str_port = get_reg_entry_keyserver ("Default_Port");
396                  || stristr (cmdline, "--cardmanager"))) {      WORD port = HKP_PORT;
397          update_keycache (GetDesktopWindow ());  
398          if (stristr (cmdline, "keymanager"))      if (!host)
399              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,          keyserver_set_default (NULL, 0);
400                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      else {
401                              _("Key Manager"), IDS_WINPT_KEYMISC);            if (str_port && *str_port)
402          else {              port = atoi (str_port);
403              gpg_card_t crd = gpg_card_load ();          keyserver_set_default (host, port);
404              if (crd)      }
405                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,      free_if_alloc (host);
406                                    GetDesktopWindow(), card_edit_dlg_proc,      free_if_alloc (str_port);
407                                    (LPARAM)crd, _("Card Manager"),  }
408                                    IDS_WINPT_CARD_EDIT);  
409              gpg_card_release (crd);  
410          }  /* Display info message that WinPT is now in debug mode. */
411          keycache_release (0);  void
412          free_gnupg_table ();  winpt_debug_msg (void)
413          return 0;  {      
414      }      char output[512];
415        char temp[128];
416      CreateMutex (NULL, TRUE, PGM_NAME);          
417      if (GetLastError () == ERROR_ALREADY_EXISTS) {      GetTempPath (sizeof temp -1, temp);
418          free_gnupg_table ();      _snprintf (output, sizeof output - 1,
419          return 0;          "The GPGME output file is %sgpgme.dbg\n"
420      }          "The WinPT output file is %swinpt.log\n", temp, temp);
421        MessageBox (NULL, output, "WinPT now runs in DEBUG MODE", MB_INFO);
422      if (cmdline) {  }
423          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {  
424              gpg_set_debug_mode (1);  
425              winpt_debug_msg ();  #include "wptKeyManager.h"
426              debug = 1;  
427          }  /* Main entry point. */
428      }  int WINAPI
429    WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
430      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));  {
431      rc = RegisterClass (&wc);      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
432      if (rc == FALSE) {      HACCEL accel_tab;
433          msg_box (NULL, _("Could not register window class"),      MSG msg;
434                   _("WinPT Error"), MB_ERR);      HWND hwnd = NULL;
435          free_gnupg_table ();      /*WORD ver[3], ptdver[4];*/
436          return 0;      int rc, ec, created = 0;
437      }      int first_start = 0, start_gpgprefs = 0;
438        int winpt_inst_found = 0;
439      hwnd = CreateWindow (PGM_NAME,      int start_manager = 0;
440                           PGM_NAME,      const char *s;
441                           0, 0, 0, 0, 0,  
442                           NULL,      glob_hinst = hinst;
443                           NULL,      if (cmdline && stristr (cmdline, "--stop")) {
444                           hinst,          hwnd = FindWindow ("WinPT", "WinPT");
445                           NULL);          if (hwnd != NULL)
446      if (hwnd == NULL) {              PostMessage (hwnd, WM_DESTROY, 0, 0);
447          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);          return 0;
448          free_gnupg_table ();      }
449          return 0;  
450      }      #ifdef _DEBUG
451      glob_hwnd = hwnd;      gpg_set_debug_mode (1);
452      UpdateWindow (hwnd);      debug = 1;
453        #endif
454      if (!first_start && !start_gpgprefs) {  
455          gnupg_backup_options ();              /* XXX
456          rc = check_crypto_engine ();      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
457          if (rc) {      get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],
458              DestroyWindow (hwnd);                                   &ptdver[2], &ptdver[3]);
459              free_gnupg_table ();      
460              return 0;      if (ptdver[0] != ver[0] || ptdver[1] != ver[1]|| ptdver[2] != ver[2]) {
461          }          log_box (_("WinPT Error"), MB_ERR,
462      }                   _("The PTD.dll file has a different version than WinPT.exe\n"
463                           "Please update the PTD.dll to version %d.%d.%d"),
464      if (start_gpgprefs) {                     ver[0], ver[1], ver[2]);
465          char *ring;          return 0;
466          size_t size = 0;      }
467          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      */
468                          gpgprefs_dlg_proc, NULL);  
469          ring = get_gnupg_keyring (0, !NO_STRICT);      if (gpg_md_selftest ()) {
470          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)          msg_box (NULL, _("Cryptographic selftest failed."),
471              first_start = 1; /* The keyring is empty! */                   _("WinPT Error"), MB_ERR);
472          free_if_alloc (ring);          return 0;
473      }      }
474    
475      if (first_start) {      s = gpgme_check_version (NEED_GPGME_VERSION);
476          struct first_start_s fs;      if (!s || !*s) {
477          struct genkey_s c;          msg_box (NULL, _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
478          HWND h;                   _("WinPT Error"), MB_ERR);
479  start:          return 0;
480          h = GetDesktopWindow ();      }
481          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,  
482                              gpgprefs_dlg_proc, NULL);      CreateMutex (NULL, TRUE, PGM_NAME);
483          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,      if (GetLastError () == ERROR_ALREADY_EXISTS)
484                          first_run_dlg_proc, (LPARAM)&fs);          winpt_inst_found = 1;
485          switch (fs.choice) {  
486          case SETUP_KEYGEN:      if (cmdline && stristr (cmdline, "--mobile")) {
487              c.interactive = 1;          msg_box (NULL, "WARNING: mobile modus is not fully implemented yet!",
488              c.first_start = 1;                   "WinPT", MB_INFO);
489              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,          mobile_mode_active = 1;
490                                   h, keygen_wizard_dlg_proc, (LPARAM)&c);      }
491              if (!rc)      
492                  goto start;      set_default_keyserver ();
493              break;      load_gettext ();
494        admin_user = user_is_admin ();
495          case SETUP_IMPORT:  
496              rc = gnupg_copy_keyrings ();      if (!mobile_mode_active) {
497              if (rc) {          regist_inst_gnupg (1);
498                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          regist_inst_winpt (1, &created);
499                  goto start;      }
500              }      else {
501              break;          if (enable_mobile_mode ())
502                return 0;
503          case -1:          created = 1; /* Disable registry writing */
504              DestroyWindow (hwnd);      }
505              free_gnupg_table ();  
506              return 0;      if (!created) {
507          }          memset (&reg_prefs, 0, sizeof (reg_prefs));
508          update_keycache (hwnd);          reg_prefs.use_tmpfiles = 1; /* default */
509          check_crypto_engine ();          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
510      }          get_reg_winpt_prefs (&reg_prefs);
511      else {          gnupg_load_config ();
512          gpg_keycache_t c;      }
513          update_keycache (hwnd);  
514          c = keycache_get_ctx (1);      if (is_gpg4win_installed ())
515          if (!c || !gpg_keycache_get_size (c)) {          load_gpg_env (); /* XXX: check return code. */
516              gnupg_display_error ();  
517              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"      rc = gnupg_check_homedir ();
518                               "Please check your GPG config (keyrings, pathes...)"),      if (rc) {
519                               _("WinPT Error"), MB_ERR);          log_box (_("WinPT Error"), MB_ERR,
520              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"                   _("GPG home directory is not set correctly.\n"
521                                    "Do you want to start the GPG preferences dialog?"),                     "Please check the GPG registry settings:\n%s."),
522                              "WinPT", MB_INFO|MB_YESNO);                   winpt_strerror (rc));
523              if (ec == IDYES) {          s = get_fileopen_dlg (GetActiveWindow (),
524                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,                                _("Select GPG Public Keyring"),
525                                  gpgprefs_dlg_proc, NULL);                                "GPG Keyrings (*.gpg)\0*.gpg\0\0",
526                  update_keycache (hwnd);                                NULL);
527              }          if (s != NULL) {
528              else {              size_t n;
529                  DestroyWindow (hwnd);              char *p = strrchr (s, '\\');
530                  free_gnupg_table ();              if (!p)
531                  return 0;                  BUG (0);
532              }              n = p - s;
533          }              if (n) {
534          if (check_default_key (c)) {                  char *file = new char[n+1];
535              char * p = get_gnupg_default_key ();                  if (!file)
536              log_box (_("WinPT Error"), MB_ERR,                      BUG (NULL);
537                       _("Default key from the GPG options file could not be found.\n"                  memset (file, 0, n);
538                         "Please check your gpg.conf (options) to correct this:\n\n"                  memcpy (file, s, n);
539                         "%s: public key not found."), p? p : "[null]");                  file[n] = '\0';        
540              free_if_alloc (p);                  set_reg_entry_gpg ("HomeDir", file);
541              DestroyWindow (hwnd);                  free_if_alloc (file);
542              free_gnupg_table ();                  gnupg_check_homedir (); /* change gpgProgram if needed */
543              return 0;              }
544          }          }
545          if (count_insecure_elgkeys ())          else {
546              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,              msg_box (NULL, _("GPG home directory could not be determited."),
547                              elgamal_warn_dlg_proc, NULL);                       _("WinPT Error"), MB_ERR);
548      }              goto start;
549            }
550      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);      }
551      keyring_check_last_access (); /* init */  
552      while (GetMessage (&msg, hwnd, 0, 0)) {      rc = check_gnupg_prog ();
553          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {      if (rc) {
554              TranslateMessage (&msg);          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
555              DispatchMessage (&msg);                               "Do you want to start the GPG preferences to "
556          }                               "correct  this problem?"), _("WinPT Error"),
557      }                               MB_INFO|MB_YESNO) == IDYES)
558                        start_gpgprefs = 1;
559      return 0;          else {
560  }              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
561                return 0;
562            }
563        }
564    
565        rc = gnupg_access_files ();
566        if (!start_gpgprefs && rc) {
567            if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
568                ec = msg_box (NULL,
569                    _("Could not access and/or find the public and secret keyring.\n"
570                      "If this is an accident, quit the program and fix it.\n\n"
571                      "Continue if you want that WinPT offers you more choices.\n"),
572                      "WinPT", MB_INFO|MB_YESNO);
573                if (ec == IDYES)
574                    first_start = 1;
575            }
576            if (!first_start) {
577                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
578                return 0;
579            }
580        }
581        if (check_for_empty_keyrings (false))
582            first_start = 1;
583    
584        if (!first_start) {
585            rc = gpg_check_permissions (1);
586            if (rc && rc == 2)
587                gpg_read_only = 1;
588            else if (rc)
589                return 0;
590        }
591        
592        init_gnupg_table ();
593    
594        if (fm_parse_command_line (cmdline) > 0) {
595            free_gnupg_table ();
596            return 0;
597        }
598    
599        if (cmdline && stristr (cmdline, "--wipe-freespace")) {
600            dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
601                                GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
602                                _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
603            free_gnupg_table ();
604            return 0;
605        }
606    
607        load_keyserver_conf (cmdline? 1 : 0);
608    
609        if (cmdline && (stristr (cmdline, "--keymanager")
610                    || stristr (cmdline, "--cardmanager"))) {
611            /* If an instance of WinPT is running, just send the command
612               to open the key manager. Otherwise start a new instance.
613             */
614            HWND tray = FindWindow ("WinPT", "WinPT");
615            if (stristr (cmdline, "keymanager"))
616                start_manager = ID_WINPT_KEY;
617            else
618                start_manager = ID_WINPT_CARD;
619            if (tray != NULL) {
620                PostMessage (tray, WM_COMMAND, start_manager, 0);
621                free_gnupg_table ();
622                return 0;
623            }
624        }
625    
626        /* If we found another WinPT instance, just quit to avoid it
627           will be executed twice. */
628        if (winpt_inst_found) {
629            log_debug ("%s", "WinMain: WinPT is already running.");
630            free_gnupg_table ();
631            return 0;
632        }
633    
634        if (cmdline && (stristr (cmdline, "--enable-debug") ||
635                        stristr (cmdline, "--debug"))) {
636            gpg_set_debug_mode (1);
637            winpt_debug_msg ();
638            debug = 1;
639        }
640    
641        wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
642        rc = RegisterClass (&wc);
643        if (rc == FALSE) {
644            msg_box (NULL, _("Could not register window class"),
645                     _("WinPT Error"), MB_ERR);
646            free_gnupg_table ();
647            return 0;
648        }
649    
650        hwnd = CreateWindow (PGM_NAME,
651                             PGM_NAME,
652                             0, 0, 0, 0, 0,
653                             NULL,
654                             NULL,
655                             hinst,
656                             NULL);
657        if (hwnd == NULL) {
658            msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
659            free_gnupg_table ();
660            return 0;
661        }
662        glob_hwnd = hwnd;
663        UpdateWindow (hwnd);
664    
665        if (!first_start && !start_gpgprefs) {
666            gnupg_backup_options ();        
667            if (!check_crypto_engine ()) {
668                DestroyWindow (hwnd);
669                free_gnupg_table ();
670                return 0;
671            }
672        }
673        
674        if (start_gpgprefs) {
675            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
676                            gpgprefs_dlg_proc, 0);
677            if (check_for_empty_keyrings (true))
678                first_start = 1; /* The public keyring is empty! */
679        }
680    
681        if (first_start) {
682            struct genkey_s c;
683            int choice;
684            HWND h;
685    start:
686            h = GetDesktopWindow ();
687            if (!gpg_prefs_ok ())
688                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
689                                gpgprefs_dlg_proc, 0);
690            choice = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
691                                     first_run_dlg_proc, 0);
692            switch (choice) {
693            case SETUP_KEYGEN:
694                c.interactive = 1;
695                c.first_start = 1;
696                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
697                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
698                if (!rc)
699                    goto start;
700                break;
701    
702            case SETUP_IMPORT:
703                rc = gnupg_copy_keyrings ();
704                if (rc) {
705                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
706                    goto start;
707                }
708                break;
709    
710            case 0: /* Cancel/Abort. */
711            default:
712                DestroyWindow (hwnd);
713                free_gnupg_table ();
714                return 0;
715            }
716            update_keycache (hwnd);
717            if (!check_crypto_engine ()) {
718                DestroyWindow (hwnd);
719                free_gnupg_table ();
720                return 0;
721            }
722            if (!is_gpg4win_installed ()) {
723                select_language ();
724                load_gettext ();
725            }
726        }
727        else {
728            gpg_keycache_t c, sec_c;
729            update_keycache (hwnd);
730            c = keycache_get_ctx (1);
731            if (!c || !gpg_keycache_get_size (c)) {
732                gnupg_display_error ();
733                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
734                                 "Please check your GPG config (keyrings, pathes...)"),
735                                 _("WinPT Error"), MB_ERR);
736                ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"
737                                      "Do you want to start the GPG preferences dialog?"),
738                                "WinPT", MB_INFO|MB_YESNO);
739                if (ec == IDYES) {
740                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
741                                    gpgprefs_dlg_proc, 0);
742                    update_keycache (hwnd);
743                }
744                else {
745                    DestroyWindow (hwnd);
746                    free_gnupg_table ();
747                    return 0;
748                }
749            }
750            sec_c = keycache_get_ctx (0);
751            if (check_default_key (sec_c)) {
752                char *p = get_gnupg_default_key ();
753                log_box (_("WinPT Error"), MB_ERR,
754                         _("Default key (from the GPG config file) could not be found.\n"
755                           "Please check your gpg.conf or set a new default key to correct it:\n\n"
756                           "%s: public key not found."), p? p : "[null]");
757                set_gnupg_default_key (NULL);
758            }
759            if (count_insecure_elgkeys ())
760                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
761                                elgamal_warn_dlg_proc, 0);
762        }
763    
764        if (start_manager)
765            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
766    
767        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
768        keyring_check_last_access (); /* init */
769        while (GetMessage (&msg, hwnd, 0, 0)) {
770            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
771                TranslateMessage (&msg);
772                DispatchMessage (&msg);
773            }
774        }
775            
776        return 0;
777    }

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