/[winpt]/trunk/Src/wptKeyPropsDlg.cpp
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Diff of /trunk/Src/wptKeyPropsDlg.cpp

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revision 2 by twoaday, Mon Jan 31 11:02:21 2005 UTC revision 77 by twoaday, Mon Nov 14 15:01:01 2005 UTC
# Line 1  Line 1 
1  /* wptKeyPropsDlg.cpp - WinPT key properties dialog  /* wptKeyPropsDlg.cpp - WinPT key properties dialog
2   *      Copyright (C) 2000, 2001, 2002, 2003 Timo Schulz   *      Copyright (C) 2000, 2001, 2002, 2003, 2005 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    
21  #include <windows.h>  #ifdef HAVE_CONFIG_H
22    #include <config.h>
23  #include "../resource.h"  #endif
24  #include "wptErrors.h"  
25  #include "wptGPG.h"  #include <windows.h>
26  #include "wptCommonCtl.h"  
27  #include "wptContext.h" /* for passphrase_s */  #include "resource.h"
28  #include "wptNLS.h"  #include "wptErrors.h"
29  #include "wptDlgs.h"  #include "wptGPG.h"
30  #include "wptTypes.h"  #include "wptCommonCtl.h"
31  #include "wptKeylist.h"  #include "wptContext.h" /* for passphrase_s */
32  #include "wptW32API.h"  #include "wptNLS.h"
33  #include "wptVersion.h"  #include "wptDlgs.h"
34  #include "wptKeyEdit.h"  #include "wptTypes.h"
35    #include "wptKeylist.h"
36  int keyedit_ownertrust_get_val (void);  #include "wptW32API.h"
37    #include "wptVersion.h"
38    #include "wptKeyEdit.h"
39  static void  
40  do_change_ownertrust( winpt_key_t k, const char *s )  
41  {  /* Check that the key is not expired or revoked. */
42      char ot[64], *p;  static int
43        do_check_key (gpgme_key_t key)
44      if( strstr( s, "ultimate" ) ) {  {
45          listview_get_item_text( k->callback.ctl, k->callback.idx, 5, ot, sizeof ot-1 );      int okay = 0;
46          if( (p = strrchr( ot, ']' )) )      okay = key->expired;
47              strcpy( ot + (p - ot) + 2, "Ultimate" );      if (!okay)
48          else          okay = key->revoked;
49              strcpy( ot, "Ultimate" );      return okay;
50          listview_add_sub_item( k->callback.ctl, k->callback.idx, 5, ot );  }
51          /* fixme: If we switch back from Ultimate to a lower level */  
52      }  
53  } /* do_change_ownertrust */  /* Convert a trust integer into a string representation. */
54    static const char*
55    ownertrust_to_string (int val)
56  static int  {
57  do_check_key( gpgme_key_t key )      const char *inf;
58  {      int id = val;
59      int okay = 0;  
60      okay = gpgme_key_get_ulong_attr( key, GPGME_ATTR_KEY_EXPIRED, NULL, 0 );      switch (id) {
61      if( !okay )      case 1: inf = _("Don't know");         break;
62          okay = gpgme_key_get_ulong_attr( key, GPGME_ATTR_KEY_REVOKED, NULL, 0 );      case 2: inf = _("I do NOT trust");     break;
63      return okay;      case 3: inf = _("I trust marginally"); break;
64  } /* do_check_key */      case 4: inf = _("I trust fully");      break;
65        case 5:
66        case 6: inf = _("I trust ultimately"); break;
67  static const char*      default:inf = _("Unknown");            break;
68  ownertrust_to_string (gpgme_editkey_t ctx, int val)      }
69  {      
70      const char * inf;      return inf;
71      int id;  }
72        
73      if (ctx)  
74          id = keyedit_ownertrust_get_val ();  /* Generate a unique temp name for the photo which
75      else if (!ctx && val)     depends on the dialog handle and return it. */
76          id = val;  static const char*
77      switch (id) {  get_photo_tmpname (HWND dlg)
78      case 1: inf = _("Don't know");         break;  {
79      case 2: inf = _("I do NOT trust");     break;      static char buf[64];
80      case 3: inf = _("I trust marginally"); break;  
81      case 4: inf = _("I trust fully");      break;      _snprintf (buf, sizeof (buf)-1, "winpt_photo_%08lX.tmp", (DWORD)dlg);
82      case 5:      return buf;
83      case 6: inf = _("I trust ultimately"); break;  }
84      default:inf = _("Unknown");            break;  
85      }  
86        /* Load the photo from the key @key */
87      return inf;  static int
88  } /* ownertrust_to_string */  keyprops_load_photo (HWND dlg, gpgme_key_t key, gpgme_validity_t *r_valid)
89    {
90        winpt_key_s k;
91  static int      FILE *f;
92  keyprops_show_photo (HWND dlg, gpgme_key_t key)      const BYTE *img;
93  {      DWORD imglen = 0;
94      RECT r;          int pos=0;
95      POINT p;  
96      HWND h;      winpt_get_pubkey (key->subkeys->keyid, &k);
97      const BYTE *img;      img = k.ext->attrib.d;
98      DWORD imglen = 0;      imglen = k.ext->attrib.len;
99      int pos=0;      if (!k.ext->attrib.validity)
100            get_uat_validity (key->subkeys->keyid, &k.ext->attrib.validity);
101      img = (const byte *)gpgme_key_get_string_attr( key, GPGME_ATTR_PHOTO,      *r_valid = k.ext->attrib.validity;
102                                                      (void **)&imglen, 0 );  
103      if (!img || !imglen)      if (!img || !imglen)
104          return -1;          return -1;
105      FILE * f = fopen ("temp.jpg", "wb");      f = fopen (get_photo_tmpname (dlg), "wb");
106      if (f) {      if (f) {
107          for (pos = 0; img[pos] != 0x10; pos++)          for (pos = 0; img[pos] != 0x10; pos++)
108                  ;                  ;
109          pos += 16;          pos += 16;
110          fwrite (img + pos, 1, imglen - pos, f);          fwrite (img + pos, 1, imglen - pos, f);
111          fwrite (img, 1, imglen, f);          fwrite (img, 1, imglen, f);
112          fclose (f);          fclose (f);
113      }      }
114        return 0;
115      h = GetDlgItem (dlg, IDC_KEYPROPS_IMG);  }
116      GetWindowRect (h, &r);  
117      p.x = r.left + 5;  
118      p.y = r.top - 2;  /* Display the photo in the image control in the dialog @dlg. */
119      memset (&p, 0, sizeof p);  static int
120      PTD_jpg_show (h, &p, "temp.jpg");  keyprops_show_photo (HWND dlg)
121      unlink ("temp.jpg");  {
122        RECT r;    
123      return 0;      POINT p;
124  }      HWND h;
125    
126        h = GetDlgItem (dlg, IDC_KEYPROPS_IMG);
127  BOOL CALLBACK      GetWindowRect (h, &r);
128  keyprops_dlg_proc( HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam )      p.x = r.left + 5;
129  {      p.y = r.top - 2;
130      static winpt_key_t k;      memset (&p, 0, sizeof (p));
131      static gpgme_key_t key, sk;      PTD_jpg_show (h, &p, get_photo_tmpname (dlg));
132      static int photo_done = 0;      
133      gpgme_editkey_t ek;      return 0;
134      gpgme_ctx_t ctx;  }
135      gpgme_error_t ec;      
136      refresh_cache_s rcs = {0};  
137      const char *inf;  /* Return string representation of the key validity. @key. */
138      const char * sym_prefs;  static const char*
139      char info[2048], dummy_symprefs[] = {0x01, 0x00};  get_validity (gpgme_key_t key)
140      u32 created, expires;  {
141      int valid, ot, cancel = 0;      int val;
142      int rc;      val = key->expired;
143            if (val)
144      switch (msg) {          return _("Expired");    
145      case WM_INITDIALOG:      val = key->revoked;
146          if (!lparam)      if (val)
147              dlg_fatal_error( dlg, "Could not get dialog param!" );          return _("Revoked");
148          k = (winpt_key_t)lparam;      val = key->disabled;
149          #ifndef LANG_DE      if (val)
150          SetWindowText( dlg, _("Key Properties") );          return _("Disabled");
151          SetDlgItemText (dlg, IDC_KEYPROPS_OT_CHANGE, _("&Change"));      return get_key_trust2 (NULL, key->uids->validity, 0, 0);
152          SetDlgItemText (dlg, IDC_KEYPROPS_REVOKERS, _("&Revokers"));  }
153          SetDlgItemText (dlg, IDC_KEYPROPS_CHANGE_PWD, _("Change &Passwd"));  
154          #endif    
155    /* Return the preferred sym. algorithm from @key as a string. */
156          photo_done = 0;  static const char*
157          get_seckey (k->keyid, &sk);  get_pref_cipher (winpt_key_t k)
158          if (sk)  {
159              k->is_protected = gpgme_key_get_ulong_attr( sk, GPGME_ATTR_IS_PROTECTED, NULL, 0 );      if (k->is_v3)
160          if (get_pubkey (k->keyid, &key))          return "IDEA";
161              BUG (0);      if (!k->ext->sym_prefs)
162          created = gpgme_key_get_ulong_attr( key, GPGME_ATTR_CREATED, NULL, 0 );          return "3DES";
163          expires = gpgme_key_get_ulong_attr( key, GPGME_ATTR_EXPIRES, NULL, 0 );      switch (*k->ext->sym_prefs) {
164          sym_prefs = gpgme_key_get_string_attr( key, GPGME_ATTR_KEY_SYMPREFS, NULL, 0 );      case 1: return "IDEA";
165          if (!sym_prefs)      case 2: return "3DES";
166              sym_prefs = dummy_symprefs;      case 3: return "CAST5";
167          valid = gpgme_key_get_ulong_attr (key, GPGME_ATTR_VALIDITY, NULL, 0);      case 4: return "Blowfish";
168          _snprintf (info, sizeof info -1,      case 7:
169                    "Type: %s\r\n"      case 8:
170                    "Key ID: %s\r\n"      case 9: return "AES";
171                    "Algorithm: %s\r\n"      case 10:return "Twofish";
172                    "Size: %s\r\n"      }
173                    "Created: %s\r\n"      return "Unknown";
174                    "Expires: %s\r\n"  }
175                    "Validity: %s\r\n"  
176                    "Cipher: %s\r\n",  
177                    get_key_type( key ),  /* Return true if the key has designated revokers. */
178                    k->keyid,  static bool
179                    get_key_algo( key, 0 ),  check_for_desig_rev (gpgme_key_t key)
180                    get_key_size( key, 0 ),  {
181                    get_key_created( created ),      winpt_key_s k;
182                    get_key_expire_date( expires ),      memset (&k, 0, sizeof (k));
183                    gpgme_key_expand_attr( GPGME_ATTR_VALIDITY, valid ),      if (!winpt_get_pubkey (key->subkeys->keyid, &k))
184                    gpgme_key_expand_attr( GPGME_ATTR_KEY_SYMPREFS, *sym_prefs ) );          return k.ext->gloflags.has_desig_rev? true : false;
185          SetDlgItemText( dlg, IDC_KEYPROPS_INFO, info );      return false;
186          SetDlgItemText( dlg, IDC_KEYPROPS_FPR, get_key_fpr( key ) );  }
187          ot = gpgme_key_get_ulong_attr( key, GPGME_ATTR_OTRUST, NULL, 0 );                
188          inf = ownertrust_to_string( NULL, ot );  
189          SetDlgItemText( dlg, IDC_KEYPROPS_OT, inf );  /* Print information (name) of the smart card. */
190          if( k->key_pair )  static const char*
191              EnableWindow( GetDlgItem( dlg, IDC_KEYPROPS_CHANGE_PWD ), TRUE );  get_card_type (winpt_key_t k)
192          if( gpgme_key_count_items( key, GPGME_ATTR_REVKEY_FPR ) )  {    
193              EnableWindow( GetDlgItem( dlg, IDC_KEYPROPS_REVOKERS ), TRUE );      static char buf[64];
194          center_window (dlg);  
195          SetForegroundWindow (dlg);            if (!k->ext->card_type)
196          return TRUE;          return "";
197              _snprintf (buf, sizeof (buf)-1, _("Card-Type: %s\r\n"), k->ext->card_type);
198      case WM_PAINT:            return buf;
199          if (photo_done == 0) {  }
200              photo_done = 1;  
201              keyprops_show_photo (dlg, key);  
202          }  /* Display the key information for key @k.
203          break;     Return value: gpgme key on success. */
204    static void
205      case WM_SYSCOMMAND:  display_key_info (HWND dlg, winpt_key_t k, gpgme_key_t *r_key)
206          if( LOWORD( wparam ) == SC_CLOSE )  {
207              EndDialog( dlg, TRUE );      struct winpt_key_s k2;
208          return FALSE;      gpgme_key_t sk, key;
209                char info[512];
210      case WM_COMMAND:      const char *inf;
211          switch( LOWORD( wparam ) ) {      u32 created, expires;    
212          case IDOK:  
213              EndDialog( dlg, TRUE );      memset (&k2, 0, sizeof (k2));      
214              return TRUE;      if (k->key_pair)
215                        winpt_get_seckey (k->keyid, &k2);
216          case IDC_KEYPROPS_OT_CHANGE:      else    
217              if( do_check_key( key ) ) {          winpt_get_pubkey (k->keyid, &k2);
218                  msg_box( dlg, _("The status of this key is 'revoked' or 'expired'.\n"      sk = k2.ctx;        
219                                  "You cannot change the ownertrust of such keys."),      if (sk)
220                                  _("WinPT Warning"), MB_ERR );          k->is_protected = k2.is_protected;
221                  return FALSE;      if (get_pubkey (k->keyid, &key))
222              }          BUG (0);    
223              if( !k->key_pair && gpgme_key_get_ulong_attr( key, GPGME_ATTR_VALIDITY, NULL, 0 ) < 3 ) {      created = key->subkeys->timestamp;  
224                  rc = msg_box( dlg, _("This is a non-valid key.\n"      expires = key->subkeys->expires;    
225                                       "Modifying the ownertrust has no effect on such keys.\n"      _snprintf (info, DIM (info)-1,
226                                       "Do you really want to continue?"),                 _("Type: %s\r\n"
227                                       _("WinPT Warning"), MB_ICONWARNING|MB_YESNO );                 "Key ID: %s\r\n"
228                  if (rc == IDNO)                 "Algorithm: %s\r\n"
229                      return FALSE;                 "Size: %s\r\n"
230              }                 "Created: %s\r\n"
231              GetDlgItemText( dlg, IDC_KEYPROPS_OT, info, sizeof info -1 );                 "Expires: %s\r\n"
232              gpgme_editkey_new( &ek );                 "Validity: %s\r\n"
233              gpgme_editkey_is_secret( ek, k->key_pair );                 "Cipher: %s\r\n"
234              dialog_box_param( glob_hinst, (LPCSTR)IDD_WINPT_KEYEDIT_OWNERTRUST,                 "%s\r\n"),
235                               dlg, (DLGPROC)keyedit_ownertrust_dlg_proc,                 get_key_type (key),
236                               (LPARAM)ek, _("Change Ownertrust"),                 k->keyid,
237                               IDS_WINPT_KEYEDIT_OWNERTRUST );                 get_key_algo (key, 0),
238              if (!gpgme_editkey_is_valid (ek))                 get_key_size (key, 0),
239                  return FALSE;                 get_key_created (created),
240              ec = gpgme_new (&ctx);                 get_key_expire_date (expires),
241              if (ec)                 get_validity (key),
242                  BUG (0);                 get_pref_cipher (&k2),
243              gpgme_set_edit_ctx( ctx, ek, GPGME_EDITKEY_TRUST );                 get_card_type (&k2));
244              ec = gpgme_op_editkey( ctx, k->keyid );  
245              gpgme_editkey_release( ek );      SetDlgItemText (dlg, IDC_KEYPROPS_INFO, info);
246                  gpgme_release( ctx );      SetDlgItemText (dlg, IDC_KEYPROPS_FPR, get_key_fpr (key));  
247              if( ec ) {      inf = ownertrust_to_string (key->owner_trust);
248                  msg_box( dlg, gpgme_strerror( ec ), _("Ownertrust"), MB_ERR );      SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf);
249                  return FALSE;  
250              }      *r_key = key;
251              inf = ownertrust_to_string (ek, 0);  }
252              k->callback.new_val = keyedit_ownertrust_get_val ();  
253              do_change_ownertrust (k, inf);  
254              SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf);  /* Dialog box procedure to show the key properties. */
255              msg_box (dlg, _("Ownertrust successfully changed."), _("GnuPG Status"), MB_OK);  BOOL CALLBACK
256                keyprops_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
257              /* reload only the keylist */  {
258              rcs.kr_reload = 1; rcs.kr_update = 1;      static winpt_key_t k;
259              rcs.tr_update = 0;      static gpgme_key_t key;
260              DialogBoxParam( glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, dlg,      gpgme_validity_t valid;
261                              keycache_dlg_proc, (LPARAM)&rcs );      refresh_cache_s rcs = {0};
262              get_seckey (k->keyid, &sk);      const char *inf;
263              if (get_pubkey (k->keyid, &key))      int rc;
264                  BUG (0);      
265              return TRUE;      /* XXX: static variable (k) prevent that the dialog can
266                            be opened twice. */
267          case IDC_KEYPROPS_CHANGE_PWD:      switch (msg) {
268              keyedit_change_passwd (k, dlg);              case WM_INITDIALOG:
269              return TRUE;          if (!lparam)
270                dlg_fatal_error (dlg, "Could not get dialog param!");
271          case IDC_KEYPROPS_REVOKERS:                  k = (winpt_key_t)lparam;
272              dialog_box_param( glob_hinst, (LPCTSTR)IDD_WINPT_KEYREVOKERS, dlg,          SetWindowText (dlg, _("Key Properties"));
273                                key_revokers_dlg_proc, (LPARAM)key, _("Key Revokers"),          SetDlgItemText (dlg, IDC_KEYPROPS_OT_CHANGE, _("&Change"));
274                                IDS_WINPT_KEY_REVOKERS );          SetDlgItemText (dlg, IDC_KEYPROPS_REVOKERS, _("&Revokers"));
275              break;          SetDlgItemText (dlg, IDC_KEYPROPS_CHANGE_PWD, _("Change &Passwd"));
276          }          SetDlgItemText (dlg, IDC_KEYPROPS_OTINF, _("Ownertrust"));
277      }  
278                display_key_info (dlg, k, &key);
279      return FALSE;          if (!keyprops_load_photo (dlg, key, &valid)) {
280  } /* keyprops_dlg_proc */              k->has_photo = 1;  
281                if (valid < GPGME_VALIDITY_MARGINAL)
282                    SetDlgItemText (dlg, IDC_KEYPROPS_IMGINF, _("Photo-ID not validated."));
283            }
284            if (k->key_pair)
285                EnableWindow (GetDlgItem (dlg, IDC_KEYPROPS_CHANGE_PWD), TRUE);
286            if (check_for_desig_rev (key))
287                EnableWindow (GetDlgItem (dlg, IDC_KEYPROPS_REVOKERS), TRUE);
288            center_window (dlg, NULL);
289            SetForegroundWindow (dlg);      
290            return TRUE;
291    
292        case WM_DESTROY:
293            remove (get_photo_tmpname (dlg));
294            break;
295          
296        case WM_PAINT:
297            if (k->has_photo)
298                keyprops_show_photo (dlg);
299            break;
300    
301        case WM_SYSCOMMAND:
302            if (LOWORD (wparam) == SC_CLOSE)
303                EndDialog (dlg, TRUE);
304            return FALSE;
305            
306        case WM_COMMAND:
307            switch (LOWORD (wparam)) {
308            case IDOK:
309                EndDialog (dlg, TRUE);
310                return TRUE;
311                
312            case IDC_KEYPROPS_OT_CHANGE:
313                if (do_check_key (key)) {
314                    msg_box (dlg, _("The status of this key is 'revoked' or 'expired'.\n"
315                                    "You cannot change the ownertrust of such keys."),
316                                    _("WinPT Warning"), MB_ERR);
317                    return TRUE;
318                }
319                if( !k->key_pair && key->uids->validity < 3 ) {
320                    rc = msg_box( dlg, _("This is a non-valid key.\n"
321                                         "Modifying the ownertrust has no effect on such keys.\n\n"
322                                         "Do you really want to continue?"),
323                                         _("WinPT Warning"), MB_ICONWARNING|MB_YESNO );
324                    if (rc == IDNO)
325                        return TRUE;
326                }
327    
328                dialog_box_param (glob_hinst, (LPCSTR)IDD_WINPT_KEYEDIT_OWNERTRUST,
329                                  dlg, (DLGPROC)keyedit_ownertrust_dlg_proc,
330                                  (LPARAM)k, _("Change Ownertrust"),
331                                  IDS_WINPT_KEYEDIT_OWNERTRUST);
332                if (k->callback.new_val == -1) { /* Cancel */
333                    EndDialog (dlg, FALSE);
334                    break;
335                }
336    
337                inf = ownertrust_to_string (k->callback.new_val);
338                SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf);
339                msg_box (dlg, _("Ownertrust successfully changed."),
340                         _("GnuPG Status"), MB_OK);
341                
342                /* XXX: modified ownertrust values can effect the entire
343                        WoT so we reload the cache. But this is very slow. */
344                memset (&rcs, 0, sizeof (rcs));
345                rcs.kr_reload = 1; rcs.kr_update = 1; /* reload only keylist */
346                DialogBoxParam (glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, dlg,
347                                keycache_dlg_proc, (LPARAM)&rcs);
348                return TRUE;
349                
350            case IDC_KEYPROPS_CHANGE_PWD:
351                keyedit_change_passwd (k, dlg);        
352                return TRUE;
353    
354            case IDC_KEYPROPS_REVOKERS:
355                dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYREVOKERS, dlg,
356                                  key_revokers_dlg_proc, (LPARAM)key,
357                                  _("Key Revokers"), IDS_WINPT_KEY_REVOKERS);
358                break;
359            }
360        }
361        
362        return FALSE;
363    }

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