/[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 14 by twoaday, Wed May 4 07:59:42 2005 UTC revision 278 by twoaday, Mon Jan 15 22:02:04 2007 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  #ifdef HAVE_CONFIG_H
17   * along with WinPT; if not, write to the Free Software Foundation,  #include <config.h>
18   * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA  #endif
19   */  
20  #include <windows.h>  #include <windows.h>
21    #include <shlobj.h>
22  #include "../resource.h"  
23  #include "wptTypes.h"  #include "resource.h"
24  #include "wptW32API.h"  #include "wptTypes.h"
25  #include "wptVersion.h"  #include "wptW32API.h"
26  #include "wptErrors.h"  #include "wptVersion.h"
27  #include "wptGPG.h"  #include "wptErrors.h"
28  #include "wptRegistry.h"  #include "wptGPG.h"
29  #include "wptCommonCtl.h"  #include "wptRegistry.h"
30  #include "wptDlgs.h"  #include "wptCommonCtl.h"
31  #include "wptNLS.h"  #include "wptDlgs.h"
32  #include "wptKeyserver.h"  #include "wptNLS.h"
33  #include "wptCard.h"  #include "wptKeyserver.h"
34  #include "wptFileManager.h"  #include "wptCard.h"
35  #include "wptContext.h"  #include "wptFileManager.h"
36    #include "wptContext.h"
37  HINSTANCE glob_hinst; /* global instance for the dialogs */  #include "wptCardEdit.h"
38  HWND glob_hwnd; /* global window handle for the dialogs */  #include "wptCrypto.h"
39  HWND activ_hwnd;  #include "wptUTF8.h"
40  LOCK mo_file;  
41  int scard_support = 0;  void remove_crit_file_attrs (const char *fname, int force);
42  int debug = 0;  BOOL user_is_admin (void);
43  int mobile = 0;  int  pcsc_available (void);
44  int gpg_read_only = 0;  
45  char gpgver[3];  /* Global variables. */
46    HINSTANCE glob_hinst;   /* global instance for the dialogs */
47  /* Internal IPC */  HWND glob_hwnd;         /* global window handle for the dialogs */
48  int start_keymanager = 0;  int scard_support = 0;
49    int debug = 0;
50  static void  int gpg_read_only = 0;
51  update_keycache (HWND hwnd)  int admin_user = 0;
52  {  char gpgver[3];
53      refresh_cache_s rcs = {0};  /* End */
54      rcs.kr_reload = 0;  
55      rcs.kr_update = 1;  
56      rcs.tr_update = 1;  /* Load the key cache and rebuild the signature cache. */
57      DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,  int
58                      keycache_dlg_proc, (LPARAM)&rcs);  update_keycache (HWND hwnd)
59  } /* update_keycache */  {
60        int err;
61        refresh_cache_s rcs;
62  static char *  
63  get_gettext_lang (void)      /* no need to rebuild the sig cache each time. */
64  {          memset (&rcs, 0, sizeof (rcs));
65      char * fname;      rcs.kring_update = 1;
66      fname = get_reg_entry_mo ();      err = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, hwnd,
67      if (!fname)                      keycache_dlg_proc, (LPARAM)&rcs);
68          return NULL;      if (err) {
69      return fname;          char *cfgf = get_gnupg_config ();
70  } /* get_gettext_lang */          if (cfgf && check_gnupg_options (cfgf, 0) == WPTERR_FILE_EXIST)
71                msg_box (NULL, _("The gpg.conf contains at least one argument which points to a non-existing file."), "WinPT", MB_ERR);
72            free_if_alloc (cfgf);
73  static void          return -1;
74  load_gettext (void)      }
75  {      return 0;
76      char * nls = NULL;  }
77      char * file = NULL;  
78    
79      nls = get_gettext_lang ();  /* Set GPGME debug mode. If @val is 0, the debug mode is disabled. */
80      if (nls) {  void
81          set_gettext_file ("winpt", nls);  gpg_set_debug_mode (int val)
82          file = make_filename (nls, "winpt", "mo");  {
83          if (!file_exist_check (nls) && init_file_lock (&mo_file, file))  {      static char buf[256];
84              msg_box (NULL, _("Could not initizalize file lock.\n"      char tmp[128];
85                               "Native Language Support"),      
86                       _("WinPT Error"), MB_ERR);      /* XXX: no gpgme.dbg is created. */
87          }      if (val > 0) {
88          free_if_alloc (nls);          GetTempPath (DIM (tmp)-1, tmp);
89          free_if_alloc (file);          _snprintf (buf, DIM (buf)-1, "GPGME_DEBUG=5:%sgpgme.dbg", tmp);
90      }          putenv (buf);
91  } /* load_gettext */      }
92        else
93            putenv ("GPGME_DEBUG=");
94  /* check if the default key from the gpg.conf file is available in the  }
95     keyring. if not, bail out because encryption won't work properly then. */  
96  static int  
97  check_default_key (gpgme_keycache_t kc)  /* Initialize the gettext sub system. */
98  {  static void
99      gpgme_key_t key;  load_gettext (void)
100      gpgme_error_t err = GPGME_No_Error;  {
101      char * defkey;      char *nls;
102    
103      defkey = get_gnupg_default_key ();      /* Return the name of the gettext language file. */
104      if (defkey)      nls = get_reg_entry_mo ();
105          err = gpgme_keycache_find_key (kc, defkey, 0, &key);      if (nls != NULL) {
106      free_if_alloc (defkey);          gettext_set_file ("winpt", nls);
107      return err? -1 : 0;          free_if_alloc (nls);
108  } /* check_default_key */      }
109    }
110    
111  /* Return the WinPT program file name (with full pathname). */  
112  static const char *  /* Return true if the GPG environment is useable. */
113  get_prog_part (const char * fname, int use_cwd)  static bool
114  {  gpg_prefs_ok (void)
115      static char program[1024];  {
116      char currdir[256], * cmd = NULL;      char *p;
117      int j;  
118                p = get_reg_entry_gpg4win ("gpg.exe");
119      memset (currdir, 0, DIM (currdir));      if (!p || file_exist_check (p) != 0) {
120      memset (program, 0, DIM (program));          free_if_alloc (p);
121                    p = get_reg_entry_gpg ("gpgProgram");
122      if (use_cwd) {          if (!p || file_exist_check (p) != 0) {
123          GetCurrentDirectory (DIM (currdir)-1, currdir);              free_if_alloc (p);
124          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);              log_debug ("gpg_prefs_ok: could not locate gpg.exe");
125      }              return false;
126      else {          }
127          cmd = GetCommandLine ();      }
128          if (cmd == NULL)      free_if_alloc (p);
129              return NULL;      p = get_reg_entry_gpg4win (NULL);
130          strncpy (currdir, cmd, 255);      if (!p || dir_exist_check (p) != 0) {
131          j = strlen (currdir);          free_if_alloc (p);
132          while (j--) {          p = get_reg_entry_gpg ("HomeDir");
133              if (currdir[j] == '\\')          if (!p || dir_exist_check (p) != 0) {
134                  break;                        free_if_alloc (p);
135          }              log_debug ("gpg_prefs_ok: could not determine home directory");
136          currdir[j] = 0;              return false;
137          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);          }
138      }      }
139      return program;      free_if_alloc (p);
140  } /* get_prog_part */      return true;
141    }
142    
143  static int  
144  check_crypto_engine (void)  /* Check gpg files if they are read-only and ask the user
145  {     if this should be corrected. */
146      int ma=1, mi=2, pa=4; /* GPG 1.2.4 */  static void
147      int rc;  check_readonly_attr (const char *homedir)
148    {
149      rc = check_gnupg_engine (&ma, &mi, &pa);      const char *files[] = {"pubring.gpg", "secring.gpg", "trustdb.gpg", NULL};
150      if (rc == -1) {      char *file;
151          msg_box (NULL, _("Could not read GnuPG version."), _("WinPT Error"), MB_ERR);      int i;
152          return rc;  
153      }      for (i=0; files[i] != NULL; i++) {
154      else if (rc) {          file = make_filename (homedir, files[i], NULL);
155          log_box (_("WinPT Error"), MB_ERR,          remove_crit_file_attrs (file, 0);
156                   _("Sorry, you need a newer GPG version.\n"          free_if_alloc (file);
157                     "GPG version %d.%d.%d requred GPG version 1.2.4"),      }
158                     ma, mi, pa);  }
159          return rc;  
160      }  
161      /* We enable smartcard support for GPG: 1.9.x or >= 1.4.0 */  /* Load the GPG environment. On the first start, some
162      if (ma >= 1 && mi >= 4)     checks are performed to find out in what state GPG is.
163          scard_support = 1;     Return value: 0  everything OK.
164                     >0  fatal error.
165      gpgver[0] = ma;                   -1 public keyring is empty or does not exist. */
166      gpgver[1] = mi;  static int
167      gpgver[2] = pa;  load_gpg_env (void)
168      return rc;  {
169  } /* check_crypto_engine */      SECURITY_ATTRIBUTES sec_attr;
170        char *p;
171        char *pkr;
172  static int      int err = 0;
173  load_keyserver_conf (int quiet)  
174  {      p = get_reg_entry_gpg4win ("gpg.exe");
175      const char * t;      if (!p)
176      int rc;          return (1);
177        if (file_exist_check (p)) {
178      if (reg_prefs.kserv_conf)          free_if_alloc (p);
179          t = reg_prefs.kserv_conf;          return (1);
180      else if (!file_exist_check (get_prog_part ("keyserver.conf", 0)))      }
181          t = get_prog_part ("keyserver.conf", 0);      free_if_alloc (p);
182      else  
183          t = "keyserver.conf";      p = get_reg_entry_gpg ("HomeDir");
184      rc = kserver_load_conf (t);      if (!p || dir_exist_check (p) != 0) {
185      if (rc && !quiet)          free_if_alloc (p);
186          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);          p = multi_gnupg_path (0);
187      return rc;      }
188  }      if (p && dir_exist_check (p)) {
189            memset (&sec_attr, 0, sizeof (sec_attr));
190            sec_attr.nLength = sizeof (sec_attr);
191  static void          if (!CreateDirectory (p, &sec_attr)) {
192  enable_mobile_mode (void)              msg_box (NULL, _("Could not create GPG home directory"),
193  {                       _("WinPT Error"), MB_ERR);
194      memset (&reg_prefs, 0, sizeof (reg_prefs));              free_if_alloc (p);
195      reg_prefs.always_trust = 0;              return (2);
196      reg_prefs.auto_backup = 0;          }
197      reg_prefs.cache_time = 0;      }
198      reg_prefs.expert = 0;      check_readonly_attr (p);
199      reg_prefs.keylist_mode = 1;      pkr = make_filename (p, "pubring", "gpg");
200      reg_prefs.kserv_conf = m_strdup ("keyserver.conf");      free_if_alloc (p);
201      reg_prefs.no_zip_mmedia = 1;      if (get_file_size (pkr) == 0)
202      reg_prefs.use_tmpfiles = 1;          err = -1;
203      reg_prefs.word_wrap = 80;      free_if_alloc (pkr);
204      reg_prefs.use_viewer = 0; /* XXX */      return err;
205  }  }
206    
207  char* get_subkey_fingerprint (gpgme_ctx_t ctx, const char *keyid);  
208    /* check if the default key from the gpg.conf file is available in the
209  int WINAPI     keyring. if not, bail out because encryption won't work properly then. */
210  #ifndef WINPT_IPC  static int
211  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)  check_default_key (void)
212  #else  {
213  win_main (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)      gpgme_key_t key;
214  #endif      gpgme_error_t err = gpg_error (GPG_ERR_NO_ERROR);
215  {      gpg_keycache_t kc;
216      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};      char *defkey;
217      HACCEL accel_tab;  
218      int rc, ec, created = 0, use_cwd = 0, nfiles = 0;      kc = keycache_get_ctx (0);
219      int first_start = 0, start_gpgprefs = 0;      defkey = get_gnupg_default_key ();
220      const char * s;      if (defkey) {
221      MSG msg;          err = gpg_keycache_find_key (kc, defkey, 0, &key);
222      HWND hwnd;          if (err) {
223                free_if_alloc (defkey);
224      glob_hinst = hinst;              return -1;
225                }
226      gpgme_lib_init ();      }
227      #ifdef _DEBUG      else {
228      gpgme_set_debug_mode (1);          /* Actually this is just a warning but we still continue. */
229      #endif          msg_box (NULL, _("No useable secret key found."),
230      gpgme_set_pgm_string ("WinPT "PGM_VERSION);                   _("WinPT Warning"), MB_WARN);
231            free_if_alloc (defkey);
232      s = PTD_get_version ();          return 0;
233      if (strcmp (s, "0.8.0")) {      }
234          log_box (_("Privacy Tray Dynamic (PTD)"), MB_ERR,  
235                   _("Please update your PTD.dll to the newest version, "      /* Because the secret key listing has no information
236                     "the version (%s) you use is too old."), s);         about the validity/status, we need to check the public key. */
237          return 0;      kc = keycache_get_ctx (1);
238      }      if (!gpg_keycache_find_key (kc, defkey, 0, &key) &&
239            (key->revoked || key->expired)) {
240      if (gpg_md_selftest ()) {          msg_box (NULL, _("Default secret key is unuseable"),
241          msg_box (NULL, _("Cryptographic selftest failed."),                   _("WinPT Warning"), MB_ERR);
242                   _("WinPT Error"), MB_ERR);          free_if_alloc (defkey);
243          return 0;          return -1;
244      }      }
245        free_if_alloc (defkey);
246      if (cmdline && stristr (cmdline, "--mobile"))      return 0;
247          mobile = 1;  }
248    
249      set_default_kserver ();  
250    /* Return the WinPT program file name (with full pathname). */
251      if (!mobile) {  static const char*
252          regist_inst_gnupg (1);  get_prog_part (const char *fname, int use_cwd)
253          regist_inst_winpt (1, &created);  {
254      }      static char program[2*MAX_PATH+1];
255      else {      char currdir[MAX_PATH+1];
256          enable_mobile_mode ();      char *cmd = NULL;
257          /* XXX: ask for GPG path */      int j;
258          created = 1; /* Disable registry writing */          
259      }      memset (currdir, 0, DIM (currdir));
260        memset (program, 0, DIM (program));
261      if (!created) {          
262          memset (&reg_prefs, 0, sizeof (reg_prefs));      if (use_cwd) {
263          reg_prefs.use_tmpfiles = 1; /* default */          GetCurrentDirectory (DIM (currdir)-1, currdir);
264          reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */          _snprintf (program, DIM (program)-1, "%s\\%s", currdir, fname);
265          get_reg_winpt_prefs (&reg_prefs);      }
266          if (!reg_prefs.no_hotkeys)      else {
267              hotkeys_modify ();          cmd = GetCommandLine ();
268      }          if (!cmd)
269                return NULL;
270      rc = gnupg_check_homedir ();          strncpy (currdir, cmd, DIM (currdir)-1);
271      if (rc) {          j = strlen (currdir);
272          log_box (_("WinPT Error"), MB_ERR,          while (j--) {
273                   _("GPG home directory is not set correctly.\n"              if (currdir[j] == '\\')
274                     "Please check the GPG registry settings:\n%s."),                  break;
275                   winpt_strerror (rc));          }
276          const char * s = get_filename_dlg (GetActiveWindow (), FILE_OPEN,          currdir[j] = 0;
277                                             _("Select GPG Public Keyring"),          _snprintf (program, DIM (program)-1, "%s\\%s", currdir + 1, fname);
278                                             _("GPG Keyrings (*.gpg)\0*.gpg\0\0"),      }
279                                             NULL);      return program;
280          if (s && !file_exist_check (s))  }
281          {  
282              size_t n;  
283              char * p = strrchr (s, '\\');  /* Check that the underlying crypto engine fullfills the minimal
284              if (!p)     requirements so all commands work properly. */
285                  BUG (0);  static bool
286              n = p - s;  check_crypto_engine (void)
287              if (n)  {
288              {      int ma = 0, mi = 0, pa = 0;
289                  char * file = new char[n+1];      int rc;
290                  if (!file)  
291                      BUG (NULL);      rc = check_gnupg_engine (NEED_GPG_VERSION, &ma, &mi, &pa);
292                  memset (file, 0, n);      if (rc == -1) {
293                  memcpy (file, s, n);          msg_box (NULL, _("Could not read GnuPG version."),
294                  file[n] = '\0';                           _("WinPT Error"), MB_ERR);
295                  set_reg_entry_gpg ("HomeDir", file);          return false;
296                  free_if_alloc (file);      }
297                  gnupg_check_homedir (); /* change gpgProgram if needed */      else if (rc) {
298              }          log_box (_("WinPT Error"), MB_ERR,
299          }                   _("A newer GPG version is needed.\n"
300          else {                     "Current GPG version %d.%d.%d, required "NEED_GPG_VERSION),
301              msg_box (NULL, _("GPG home directory could not be determited."),                     ma, mi, pa);
302                       _("WinPT Error"), MB_ERR);          return false;
303              goto start;      }
304          }      /* Enable smart card support for GPG 2 or >= 1.4 */
305      }      if ((ma > 1 || pa >= 4) && pcsc_available ())
306            scard_support = 1;
307      rc = check_gnupg_prog ();  
308      if (rc) {      gpgver[0] = ma;
309          if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"      gpgver[1] = mi;
310                               "Do you want to start the GPG preferences to "      gpgver[2] = pa;
311                               "correct  this problem?"), _("WinPT Error"),      return true;
312                               MB_INFO|MB_YESNO) == IDYES)  }
313              start_gpgprefs = 1;  
314          else  
315          {  /* Try to load the keyserver config file. If @quiet is 1
316              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);     do not show any errors. */
317              return 0;  static int
318          }  load_keyserver_conf (int quiet)
319      }  {    
320        const char *t, *conf;
321      rc = gnupg_access_files ();      char *buf;
322      if (!start_gpgprefs && rc)      int rc;
323      {  
324          if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS)      #ifdef WINPT_MOBILE
325          {      /* In mobile mode we automatically assume the config file
326              ec = msg_box (NULL,         in the current directory. */
327                  _("Could not access and/or find the public and secret keyring.\n"      return kserver_load_conf ("keyserver.conf");
328                    "If this is an accident, quit the program and fix it.\n\n"      #endif
329                    "Continue if you want that WinPT offers you more choices.\n"),  
330                    "WinPT", MB_INFO|MB_YESNO);      /* Create $APPDATA\winpt if needed. */
331              if (ec == IDYES)      buf = make_special_filename (CSIDL_APPDATA, "winpt", NULL);
332                  first_start = 1;      if (buf && dir_exist_check (buf) && !CreateDirectory (buf, NULL)) {
333          }          MessageBox (NULL, _("Failed to create WinPT directory"),
334          if (!first_start)                      _("Keyserver"), MB_ERR);
335          {          free_if_alloc (buf);
336              msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);          return -1;
337              return 0;      }
338          }      free_if_alloc (buf);
339      }  
340        /* Check for $APPDATA\winpt\keyserver.conf */
341      if (!first_start)      buf = make_special_filename (CSIDL_APPDATA, "winpt\\keyserver.conf", NULL);
342      {  
343          rc = gpg_check_permissions (1);      conf = get_prog_part ("keyserver.conf", 0);
344          if (rc && rc == 2)      if (!file_exist_check (conf))
345              gpg_read_only = 1;          t = conf;
346          else if (rc)      else
347              return 0;          t = "keyserver.conf";
348      }      if (file_exist_check (t) == 0 && file_exist_check (buf) != 0) {
349            if (!CopyFile (t, buf, FALSE)) {
350      load_gettext ();              MessageBox (NULL, _("Failed to copy the keyserver.conf"),
351      init_gnupg_table ();                          _("Keyserver"), MB_ERR);
352                free_if_alloc (buf);
353      nfiles = fm_parse_command_line (cmdline);              return -1;
354      if (nfiles > 0)          }
355          return 0;          t = buf;
356        }
357      if (cmdline && stristr (cmdline, "--wipe-freespace")) {      else
358          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,          t = buf;
359                              GetDesktopWindow(), space_wipefrees_dlg_proc, NULL,      
360                              _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);      rc = kserver_load_conf (t);
361          free_gnupg_table ();      if (rc && !quiet)
362          return 0;          msg_box (NULL, winpt_strerror (rc), _("Keyserver"), MB_ERR);
363      }      else {
364            free_if_alloc (reg_prefs.kserv_conf);
365      load_keyserver_conf (cmdline? 1 : 0);          reg_prefs.kserv_conf = m_strdup (t);
366      if (start_keymanager) {      }
367          dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,      free_if_alloc (buf);
368                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      return rc;
369                              _("Key Manager"), IDS_WINPT_KEYMISC);  }
370          keycache_release ();  
371          free_gnupg_table ();  
372          return 0;  /* Check if both keyrings are empty. This indicates that
373      }     WinPT should offer to generate a key pair. */
374    static bool
375      if (cmdline && (stristr (cmdline, "--keymanager")  check_for_empty_keyrings (bool pub_only)
376                  || stristr (cmdline, "--cardmanager"))) {  {
377          update_keycache (GetDesktopWindow ());      char *p;
378          if (stristr (cmdline, "keymanager"))      int n = 0;
379              dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYMISC,  
380                              GetDesktopWindow(), keymanager_dlg_proc, NULL,      p = get_gnupg_keyring (1, 0);
381                              _("Key Manager"), IDS_WINPT_KEYMISC);        if (file_exist_check (p) == 0 && get_file_size (p) == 0)
382          else {          n++;
383              gpgme_card_t crd = smartcard_init ();      free_if_alloc (p);
384              if (crd)      if (pub_only)
385                  dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_CARD_EDIT,          return n == 1? true : false;
386                                    GetDesktopWindow(), card_edit_dlg_proc,      p = get_gnupg_keyring (0, 0);
387                                    (LPARAM)crd, _("Card Manager"),      if (file_exist_check (p) == 0 && get_file_size (p) == 0)
388                                    IDS_WINPT_CARD_EDIT);          n++;
389              gpgme_card_release (crd);      free_if_alloc (p);
390          }      return n==2? true : false;
391          keycache_release ();  }
392          free_gnupg_table ();  
393          return 0;  
394      }  #ifdef WINPT_MOBILE
395    /* Enable the mobile mode if possible.
396      CreateMutex (NULL, TRUE, PGM_NAME);     There are some constraints which must be fullfilled.
397      if (GetLastError () == ERROR_ALREADY_EXISTS) {     Return value: 0 on success. */
398          free_gnupg_table ();  static int
399          return 0;  enable_mobile_mode (void)
400      }  {
401        static const char *test_fname = "winpt_mobile_test.txt";
402      if (cmdline) {      FILE *fp;
403          if (stristr (cmdline, "--enable-debug") || stristr (cmdline, "--debug")) {      char *pubring;
404              gpgme_set_debug_mode (1);      ULARGE_INTEGER caller, total;
405              winpt_debug_msg ();      DWORD temp_size;
406              debug = 1;  
407          }      fp = fopen (test_fname, "wb");
408      }      if (fp == NULL) {
409            MessageBox (NULL, "Mobile mode cannot be used without write permission\n"
410      wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));                            "for the current directory", "WinPT Error", MB_ERR);
411      rc = RegisterClass (&wc);              
412      if (rc == FALSE) {          return -1;
413          msg_box (NULL, _("Could not register window class"), _("WinPT Error"), MB_ERR);      }
414          free_gnupg_table ();      fclose (fp);
415          return 0;      DeleteFile (test_fname);
416      }      if (file_exist_check ("gpg.exe")) {
417            MessageBox (NULL, "The GnuPG program needs to be in the same directory\n"
418      hwnd = CreateWindow (PGM_NAME,                            "as the WinPT program", "WinPT Error", MB_ERR);
419                           PGM_NAME,          return -1;
420                           0, 0, 0, 0, 0,      }
421                           NULL,      
422                           NULL,      /* Because write operations to the keyring result in a temporary
423                           hinst,         file, we need at least 2 MB plus the size of the keyring for
424                           NULL);         free space. */
425      if (hwnd == NULL) {      pubring = get_gnupg_keyring (1);
426          msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);      temp_size = get_file_size (pubring) + 2097152;
427          free_gnupg_table ();      free_if_alloc (pubring);
428          return 0;  
429      }      if (!GetDiskFreeSpaceEx (NULL, &caller, &total, NULL) ||
430      glob_hwnd = hwnd;          caller.LowPart < temp_size) {
431      UpdateWindow (hwnd);          log_box ("WinPT Error", MB_ERR,
432                     "The mobile mode needs at least %lu KB for temporary files",
433      if (!first_start && !start_gpgprefs) {                   temp_size/1024);
434          gnupg_backup_options (1);          return -1;
435          gnupg_backup_options (0);      }
436            
437          rc = check_crypto_engine ();      /* XXX: shall we check for 'temp-directory' in the gpg.conf? */
438          if (rc) {  
439              DestroyWindow (hwnd);      return 0;
440              free_gnupg_table ();  }
441              return 0;  #endif
442          }  
443      }  
444    /* Set the default keyserver for this instance. */
445      if (start_gpgprefs)  void
446      {  set_default_keyserver (void)
447          char *ring;  {
448          size_t size = 0;      char *host = get_reg_entry_keyserver ("Default");
449          DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      char *str_port = get_reg_entry_keyserver ("Default_Port");
450                          gpgprefs_dlg_proc, NULL);      WORD port = HKP_PORT;
451          ring = get_gnupg_keyring (0, !NO_STRICT);  
452          if (gnupg_access_keyring (0) == -1 && get_file_size (ring) == 0)      if (!host)
453              first_start = 1; /* The keyring is empty! */          keyserver_set_default (NULL, 0);
454          free_if_alloc (ring);      else {
455      }          if (str_port && *str_port)
456                port = atoi (str_port);
457      if (first_start) {          keyserver_set_default (host, port);
458          struct key_wizard_s c, dummy;      }
459  start:      free_if_alloc (host);
460          DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, hwnd,      free_if_alloc (str_port);
461                          first_run_dlg_proc, (LPARAM)&dummy);  }
462          switch (dummy.interactive)  
463          {  
464          case SETUP_KEYGEN:  /* Display info message that WinPT is now in debug mode. */
465              c.interactive = 1;  void
466              rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,  winpt_debug_msg (void)
467                                   hwnd, keygen_wizard_dlg_proc, (LPARAM)&c);  {      
468              if (!rc)      char output[512];
469                  goto start;      char temp[128];
470              break;          
471        GetTempPath (DIM (temp) -1, temp);
472          case SETUP_IMPORT:      _snprintf (output, DIM (output)-1,
473              rc = gnupg_copy_keyrings ();          "The GPGME output file is %sgpgme.dbg\n"
474              if (rc) {          "The WinPT output file is %swinpt.log\n", temp, temp);
475                  msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);      MessageBox (NULL, output, "WinPT now runs in DEBUG MODE", MB_INFO);
476                  goto start;  }
477              }  
478              break;  
479    /* Search for insecure ElGamal keys and return the
480          case SETUP_EXISTING:     number of founded keys. */
481              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,  static int
482                              gpgprefs_dlg_proc, NULL);  count_insecure_elgkeys (void)
483              break;  {
484        gpg_keycache_t pc;
485          case -1:      gpgme_key_t key;
486              DestroyWindow (hwnd);      int n = 0;
487              free_gnupg_table ();  
488              return 0;      pc = keycache_get_ctx (1);
489          }      while (!gpg_keycache_next_key (pc, 0, &key)) {
490          update_keycache (hwnd);          if (key->subkeys->pubkey_algo == GPGME_PK_ELG)
491          check_crypto_engine ();              n++;
492      }      }
493      else {      gpg_keycache_rewind (pc);
494          gpgme_keycache_t c;      return n;
495          update_keycache (hwnd);  }
496          c = keycache_get_ctx (1);  
497          if (!c || !gpgme_keycache_count (c)) {  
498              gnupg_display_error ();  /* Main entry point. */
499              msg_box (hwnd, _("The keycache was not initialized or is empty.\n"  int WINAPI
500                               "Please check your GPG config (keyrings, pathes...)"),  WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
501                               _("WinPT Error"), MB_ERR);  {
502              ec = msg_box (NULL, _("It seems that GPG is not set properly.\n"      WNDCLASS wc = {0, winpt_main_proc, 0, 0, hinst, 0, 0, 0, 0, PGM_NAME};
503                                    "Do you want to start the GPG preferences dialog?"),      HACCEL accel_tab;
504                              "WinPT", MB_INFO|MB_YESNO);      MSG msg;
505              if (ec == IDYES) {      HWND hwnd = NULL;
506                  DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,      WORD ver[3], ptdver[4];
507                                  gpgprefs_dlg_proc, NULL);      const char *s;
508                  update_keycache (hwnd);      int rc, ec, created = 0;
509              }      int first_start = 0, start_gpgprefs = 0;
510              else {      int winpt_inst_found = 0;
511                  DestroyWindow (hwnd);      int start_manager = 0;    
512                  free_gnupg_table ();  
513                  return 0;  #ifdef WINPT_MOBILE
514              }      /* Do not continue in case of problems. */
515          }      if (enable_mobile_mode ())
516          if (check_default_key (c)) {          return 0;
517              char * p = get_gnupg_default_key ();  #endif
518              log_box (_("WinPT Error"), MB_ERR,  
519                       _("Default key from the GPG options file could not be found.\n"      glob_hinst = hinst;
520                         "Please check your gpg.conf (options) to correct this:\n\n"      if (cmdline && stristr (cmdline, "--stop")) {
521                         "%s: public key not found."), p? p : "[null]");          hwnd = FindWindow ("WinPT", "WinPT");
522              free_if_alloc (p);          if (hwnd != NULL)
523              DestroyWindow (hwnd);              PostMessage (hwnd, WM_DESTROY, 0, 0);
524              free_gnupg_table ();          return 0;
525              return 0;      }
526          }  
527          if (count_insecure_elgkeys ())  #ifdef _DEBUG
528              DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,      gpg_set_debug_mode (1);
529                              elgamal_warn_dlg_proc, NULL);      debug = 1;
530      }  #endif
531    
532      accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);      get_file_version ("WinPT.exe", &ver[0], &ver[1], &ver[2], &ver[3]);
533      keyring_check_last_access (); /* init */      ec = get_file_version ("PTD.dll", &ptdver[0], &ptdver[1],  
534      while (GetMessage (&msg, hwnd, 0, 0)) {                                   &ptdver[2], &ptdver[3]);
535          if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {      
536              TranslateMessage (&msg);      if (!ec && (ptdver[0] != ver[0] ||
537              DispatchMessage (&msg);                  ptdver[1] != ver[1] ||
538          }                  ptdver[2] != ver[2])) {
539      }          log_box (_("WinPT Error"), MB_ERR,
540                             _("The PTD.dll file has a different version than WinPT.exe\n"
541      return 0;                     "Please update the PTD.dll to version %d.%d.%d"),
542  } /* WinMain */                     ver[0], ver[1], ver[2]);
543            return 0;
544        }
545    
546        if (gpg_md_selftest ()) {
547            msg_box (NULL, _("Cryptographic selftest failed."),
548                     _("WinPT Error"), MB_ERR);
549            return 0;
550        }
551    
552        s = gpgme_check_version (NEED_GPGME_VERSION);
553        if (!s || !*s) {
554            msg_box (NULL, _("A newer GPGME version is needed; at least "NEED_GPGME_VERSION),
555                     _("WinPT Error"), MB_ERR);
556            return 0;
557        }
558    
559        CreateMutex (NULL, TRUE, PGM_NAME);
560        if (GetLastError () == ERROR_ALREADY_EXISTS)
561            winpt_inst_found = 1;
562        
563        set_default_keyserver ();
564        load_gettext ();
565        admin_user = user_is_admin ();
566    
567        regist_inst_gnupg (1);
568        regist_inst_winpt (1, &created);
569    
570        if (!created) {
571            memset (&reg_prefs, 0, sizeof (reg_prefs));
572            get_reg_winpt_prefs (&reg_prefs);
573            reg_prefs.fm.progress = 0; /* XXX: fix the bug and enable it again */
574            if (gnupg_load_config () == -2)
575                msg_box (NULL, _("The gpg.conf file contains the 'textmode' option\n"
576                                 "which leads to broken binary output during decryption.\n"
577                                 "If this is on purpose, just continue otherwise the option should be disabled."),
578                                _("WinPT Error"), MB_ERR);
579        }
580    
581        if (is_gpg4win_installed ())
582            load_gpg_env (); /* XXX: check return code. */
583    
584        rc = gnupg_check_homedir ();
585        if (rc) {
586            char *p;
587    
588            log_box (_("WinPT Error"), MB_ERR,
589                     _("GPG home directory is not set correctly.\n"
590                       "Please check the GPG registry settings:\n%s."),
591                     winpt_strerror (rc));
592            s = get_fileopen_dlg (GetActiveWindow (),
593                                  _("Select GPG Public Keyring"),
594                                  "GPG Keyrings (*.gpg)\0*.gpg\0\0",
595                                  NULL);
596            if (s != NULL && (p=strrchr (s, '\\'))) {
597                char *path = substr (s, 0, (p-s));
598    
599                set_reg_entry_gpg ("HomeDir", path);
600                free_if_alloc (path);
601            }
602            else {
603                msg_box (NULL, _("GPG home directory could not be determined."),
604                         _("WinPT Error"), MB_ERR);
605                goto start;
606            }
607        }
608    
609        rc = check_gnupg_prog ();
610        if (rc) {
611            if (msg_box (NULL, _("Could not find the GPG binary (gpg.exe).\n"
612                                 "Do you want to start the GPG preferences to "
613                                 "correct  this problem?"), _("WinPT Error"),
614                                 MB_INFO|MB_YESNO) == IDYES)
615                start_gpgprefs = 1;
616            else {
617                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
618                return 0;
619            }
620        }
621    
622        rc = gnupg_access_files ();
623        if (!start_gpgprefs && rc) {
624            if (rc == WPTERR_GPG_KEYRINGS || rc == WPTERR_GPG_OPT_KEYRINGS) {
625                ec = msg_box (NULL,
626                    _("Could not access and/or find the public and secret keyring.\n"
627                      "If this is an accident, quit the program and fix it.\n\n"
628                      "Continue if you want WinPT to offer you more choices.\n"),
629                      "WinPT", MB_INFO|MB_YESNO);
630                if (ec == IDYES)
631                    first_start = 1;
632            }
633            if (!first_start) {
634                msg_box (NULL, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
635                return 0;
636            }
637        }
638        if (check_for_empty_keyrings (false))
639            first_start = 1;
640    
641        if (!first_start) {
642            rc = gpg_check_permissions (1);
643            if (rc && rc == 2) /* 2 means read-only mode. */
644                gpg_read_only = 1;
645            else if (rc)
646                return 0;
647        }
648        
649        init_gnupg_table ();
650    
651        if (fm_parse_command_line (cmdline) > 0) {
652            free_gnupg_table ();
653            return 0;
654        }
655    
656        if (cmdline && stristr (cmdline, "--wipe-freespace")) {
657            dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_SPACE_SECDEL,
658                                GetDesktopWindow(), space_wipefrees_dlg_proc, 0,
659                                _("Wipe Free Space"), IDS_WINPT_SPACE_SECDEL);
660            free_gnupg_table ();
661            return 0;
662        }
663    
664        load_keyserver_conf (cmdline? 1 : 0);
665    
666        if (cmdline && (stristr (cmdline, "--keymanager")
667                    || stristr (cmdline, "--cardmanager"))) {
668            /* If an instance of WinPT is running, just send the command
669               to open the key manager. Otherwise start a new instance. */
670            HWND tray = FindWindow ("WinPT", "WinPT");
671            if (stristr (cmdline, "keymanager"))
672                start_manager = ID_WINPT_KEY;
673            else
674                start_manager = ID_WINPT_CARD;
675            if (tray != NULL) {
676                PostMessage (tray, WM_COMMAND, start_manager, 0);
677                free_gnupg_table ();
678                return 0;
679            }
680        }
681    
682        /* If we found another WinPT instance, just quit to avoid it
683           will be executed twice. */
684        if (winpt_inst_found) {
685            log_debug ("%s", "WinMain: WinPT is already running.");
686            free_gnupg_table ();
687            return 0;
688        }
689    
690    #ifndef WINPT_MOBILE
691        if (cmdline && (stristr (cmdline, "--enable-debug") ||
692                        stristr (cmdline, "--debug"))) {
693            gpg_set_debug_mode (1);
694            winpt_debug_msg ();
695            debug = 1;
696        }
697    #endif
698    
699        wc.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (IDI_WINPT));
700        rc = RegisterClass (&wc);
701        if (rc == FALSE) {
702            msg_box (NULL, _("Could not register window class"),
703                     _("WinPT Error"), MB_ERR);
704            free_gnupg_table ();
705            return 0;
706        }
707    
708        hwnd = CreateWindow (PGM_NAME,
709                             PGM_NAME,
710                             0, 0, 0, 0, 0,
711                             NULL,
712                             NULL,
713                             hinst,
714                             NULL);
715        if (hwnd == NULL) {
716            msg_box (NULL, _("Could not create window"), _("WinPT Error"), MB_ERR);
717            free_gnupg_table ();
718            return 0;
719        }
720        glob_hwnd = hwnd;
721        UpdateWindow (hwnd);
722    
723        if (!first_start && !start_gpgprefs) {
724            gnupg_backup_options ();        
725            if (!check_crypto_engine ()) {
726                DestroyWindow (hwnd);
727                free_gnupg_table ();
728                return 0;
729            }
730        }
731        
732        if (start_gpgprefs) {
733            DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
734                            gpgprefs_dlg_proc, 0);
735            if (check_for_empty_keyrings (true))
736                first_start = 1; /* The public keyring is empty. */
737        }
738    
739        if (first_start) {
740            struct genkey_s c;
741            int choice;
742            HWND h;
743    start:
744            h = GetDesktopWindow ();
745            if (!gpg_prefs_ok ())
746                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, h,
747                                gpgprefs_dlg_proc, 0);
748            choice = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_FIRST, h,
749                                     first_run_dlg_proc, 0);
750            switch (choice) {
751            case SETUP_KEYGEN:
752                c.interactive = 1;
753                c.first_start = 1;
754                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYWIZARD,
755                                     h, keygen_wizard_dlg_proc, (LPARAM)&c);
756                if (!rc)
757                    goto start;
758                break;
759    
760            case SETUP_IMPORT:
761                rc = gnupg_copy_keyrings ();
762                if (rc) {
763                    msg_box (hwnd, winpt_strerror (rc), _("WinPT Error"), MB_ERR);
764                    goto start;
765                }
766                break;
767    
768            case SETUP_CARDGEN:
769                rc = DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_CARD_KEYGEN,
770                                     h, card_keygen_dlg_proc, 0);
771                if (!rc)
772                    goto start;
773                break;
774    
775            case 0: /* Cancel/Abort. */
776            default:
777                DestroyWindow (hwnd);
778                free_gnupg_table ();
779                return 0;
780            }
781            update_keycache (hwnd);
782            if (!check_crypto_engine ()) {
783                DestroyWindow (hwnd);
784                free_gnupg_table ();
785                keycache_release (1);
786                return 0;
787            }
788            if (!is_gpg4win_installed ()) {
789                select_language ();
790                load_gettext ();
791            }
792        }
793        else {
794            gpg_keycache_t c;
795            if (update_keycache (hwnd)) {
796                DestroyWindow (hwnd);
797                free_gnupg_table ();
798                keycache_release (1);
799                return 0;
800            }
801            /* XXX: rewrite this part. */
802            c = keycache_get_ctx (1);
803            if (!gpg_keycache_get_size (c)) {
804                msg_box (hwnd, _("The keycache was not initialized or is empty.\n"
805                                 "Please check your GPG config (keyrings, pathes...)"),
806                                 _("WinPT Error"), MB_ERR);
807                ec = msg_box (NULL, _("It seems that GPG is not configured properly.\n"
808                                      "Do you want to start the GPG preferences dialog?"),
809                                "WinPT", MB_INFO|MB_YESNO);
810                if (ec == IDYES) {
811                    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_GPGPREFS, hwnd,
812                                    gpgprefs_dlg_proc, 0);
813                    update_keycache (hwnd);
814                }
815                else {
816                    DestroyWindow (hwnd);
817                    free_gnupg_table ();
818                    keycache_release (1);
819                    return 0;
820                }
821            }      
822            if (check_default_key ()) {
823                char *p = get_gnupg_default_key ();
824                log_box (_("WinPT Error"), MB_ERR,
825                         _("Default key (from the GPG config file) could not be found or is unuseable.\n"
826                           "The default key will be resetted and can be set later in the Key Manager again.\n\n"
827                           "%s: secret key not found."), p? p : "?");
828                set_gnupg_default_key (NULL);
829                free_if_alloc (p);
830            }
831            if (count_insecure_elgkeys ())
832                DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_ELGWARN, glob_hwnd,
833                                elgamal_warn_dlg_proc, 0);
834        }
835    
836        if (start_manager)
837            PostMessage (hwnd, WM_COMMAND, start_manager, 0);
838    
839        accel_tab = LoadAccelerators (glob_hinst, (LPCTSTR)IDR_WINPT_ACCELERATOR);
840        keyring_check_last_access (); /* init */
841        while (GetMessage (&msg, hwnd, 0, 0)) {
842            if (!TranslateAccelerator (msg.hwnd, accel_tab, &msg)) {
843                TranslateMessage (&msg);
844                DispatchMessage (&msg);
845            }
846        }
847            
848        return 0;
849    }

Legend:
Removed from v.14  
changed lines
  Added in v.278

[email protected]
ViewVC Help
Powered by ViewVC 1.1.26