/[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 165 by twoaday, Tue Jan 24 10:10:15 2006 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, 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    #ifdef HAVE_CONFIG_H
21  #include <windows.h>  #include <config.h>
22    #endif
23  #include "../resource.h"  
24  #include "wptErrors.h"  #include <windows.h>
25  #include "wptGPG.h"  
26  #include "wptCommonCtl.h"  #include "resource.h"
27  #include "wptContext.h" /* for passphrase_s */  #include "wptErrors.h"
28  #include "wptNLS.h"  #include "wptGPG.h"
29  #include "wptDlgs.h"  #include "wptCommonCtl.h"
30  #include "wptTypes.h"  #include "wptContext.h" /* for passphrase_s */
31  #include "wptKeylist.h"  #include "wptNLS.h"
32  #include "wptW32API.h"  #include "wptDlgs.h"
33  #include "wptVersion.h"  #include "wptTypes.h"
34  #include "wptKeyEdit.h"  #include "wptKeylist.h"
35    #include "wptW32API.h"
36  int keyedit_ownertrust_get_val (void);  #include "wptVersion.h"
37    #include "wptKeyEdit.h"
38    
39  static void  
40  do_change_ownertrust( winpt_key_t k, const char *s )  /* Check that the key is not expired or revoked. */
41  {  static int
42      char ot[64], *p;  do_check_key (gpgme_key_t key)
43        {
44      if( strstr( s, "ultimate" ) ) {      int okay = 0;
45          listview_get_item_text( k->callback.ctl, k->callback.idx, 5, ot, sizeof ot-1 );      okay = key->expired;
46          if( (p = strrchr( ot, ']' )) )      if (!okay)
47              strcpy( ot + (p - ot) + 2, "Ultimate" );          okay = key->revoked;
48          else      return okay;
49              strcpy( ot, "Ultimate" );  }
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      }  /* Convert a trust integer into a string representation. */
53  } /* do_change_ownertrust */  static const char*
54    ownertrust_to_string (int val, bool is_keypair)
55    {
56  static int      const char *inf;
57  do_check_key( gpgme_key_t key )      int id = val;
58  {  
59      int okay = 0;      switch (id) {
60      okay = gpgme_key_get_ulong_attr( key, GPGME_ATTR_KEY_EXPIRED, NULL, 0 );      case 1: inf = _("Don't know");         break;
61      if( !okay )      case 2: inf = _("I do NOT trust");     break;
62          okay = gpgme_key_get_ulong_attr( key, GPGME_ATTR_KEY_REVOKED, NULL, 0 );      case 3: inf = _("I trust marginally"); break;
63      return okay;      case 4: inf = _("I trust fully");      break;
64  } /* do_check_key */      case 5:
65        case 6:
66            if (is_keypair)
67  static const char*              inf = _("I trust ultimately (implicit)");
68  ownertrust_to_string (gpgme_editkey_t ctx, int val)          else
69  {              inf = _("I trust ultimately"); break;
70      const char * inf;      default:inf = _("Unknown");            break;
71      int id;      }
72            
73      if (ctx)      return inf;
74          id = keyedit_ownertrust_get_val ();  }
75      else if (!ctx && val)  
76          id = val;  
77      switch (id) {  /* Generate a unique temp name for the photo which
78      case 1: inf = _("Don't know");         break;     depends on the dialog handle and return it. */
79      case 2: inf = _("I do NOT trust");     break;  static const char*
80      case 3: inf = _("I trust marginally"); break;  get_photo_tmpname (HWND dlg)
81      case 4: inf = _("I trust fully");      break;  {
82      case 5:      static char buf[64];
83      case 6: inf = _("I trust ultimately"); break;  
84      default:inf = _("Unknown");            break;      _snprintf (buf, sizeof (buf)-1, "winpt_photo_%08lX.tmp", (DWORD)dlg);
85      }      return buf;
86        }
87      return inf;  
88  } /* ownertrust_to_string */  
89    static void
90    draw_nophoto_img (HWND dlg)
91  static int  {
92  keyprops_show_photo (HWND dlg, gpgme_key_t key)      /*..
93  {      n = DrawText (hdc, "No Photo-ID", -1, &r, DT_LEFT);
94      RECT r;          ..*/
95      POINT p;  }
96      HWND h;  
97      const BYTE *img;  
98      DWORD imglen = 0;  /* Load the photo from the key @key */
99      int pos=0;  static int
100    keyprops_load_photo (HWND dlg, gpgme_key_t key, gpgme_validity_t *r_valid)
101      img = (const byte *)gpgme_key_get_string_attr( key, GPGME_ATTR_PHOTO,  {
102                                                      (void **)&imglen, 0 );      winpt_key_s k;
103      if (!img || !imglen)      FILE *f;
104          return -1;      const BYTE *img;
105      FILE * f = fopen ("temp.jpg", "wb");      DWORD imglen = 0;
106      if (f) {      int pos=0;
107          for (pos = 0; img[pos] != 0x10; pos++)  
108                  ;      winpt_get_pubkey (key->subkeys->keyid, &k);
109          pos += 16;      img = k.ext->attrib.d;
110          fwrite (img + pos, 1, imglen - pos, f);      imglen = k.ext->attrib.len;
111          fwrite (img, 1, imglen, f);      if (!k.ext->attrib.validity)
112          fclose (f);          get_uat_validity (key->subkeys->keyid, &k.ext->attrib.validity);
113      }      *r_valid = k.ext->attrib.validity;
114    
115      h = GetDlgItem (dlg, IDC_KEYPROPS_IMG);      if (!img || !imglen) {
116      GetWindowRect (h, &r);          draw_nophoto_img (dlg);
117      p.x = r.left + 5;          return -1;
118      p.y = r.top - 2;      }
119      memset (&p, 0, sizeof p);  
120      PTD_jpg_show (h, &p, "temp.jpg");      f = fopen (get_photo_tmpname (dlg), "wb");
121      unlink ("temp.jpg");      if (f) {
122            //for (pos = 0; img[pos] != 0x10; pos++)
123      return 0;          //      ;
124  }          pos += 16;
125            fwrite (img + pos, 1, imglen - pos, f);
126            fclose (f);
127  BOOL CALLBACK      }
128  keyprops_dlg_proc( HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam )      return 0;
129  {  }
130      static winpt_key_t k;  
131      static gpgme_key_t key, sk;  
132      static int photo_done = 0;  /* Display the photo in the image control in the dialog @dlg. */
133      gpgme_editkey_t ek;  static int
134      gpgme_ctx_t ctx;  keyprops_show_photo (HWND dlg)
135      gpgme_error_t ec;      {
136      refresh_cache_s rcs = {0};      RECT r;    
137      const char *inf;      POINT p;
138      const char * sym_prefs;      HWND h;
139      char info[2048], dummy_symprefs[] = {0x01, 0x00};  
140      u32 created, expires;      h = GetDlgItem (dlg, IDC_KEYPROPS_IMG);
141      int valid, ot, cancel = 0;      GetWindowRect (h, &r);
142      int rc;      p.x = r.left + 5;
143            p.y = r.top - 2;
144      switch (msg) {      memset (&p, 0, sizeof (p));
145      case WM_INITDIALOG:      PTD_jpg_show (h, &p, get_photo_tmpname (dlg));
146          if (!lparam)      
147              dlg_fatal_error( dlg, "Could not get dialog param!" );      return 0;
148          k = (winpt_key_t)lparam;  }
149          #ifndef LANG_DE  
150          SetWindowText( dlg, _("Key Properties") );  
151          SetDlgItemText (dlg, IDC_KEYPROPS_OT_CHANGE, _("&Change"));  /* Return string representation of the key validity. @key. */
152          SetDlgItemText (dlg, IDC_KEYPROPS_REVOKERS, _("&Revokers"));  static const char*
153          SetDlgItemText (dlg, IDC_KEYPROPS_CHANGE_PWD, _("Change &Passwd"));  get_validity (gpgme_key_t key)
154          #endif    {
155        int val;
156          photo_done = 0;      val = key->expired;
157          get_seckey (k->keyid, &sk);      if (val)
158          if (sk)          return _("Expired");    
159              k->is_protected = gpgme_key_get_ulong_attr( sk, GPGME_ATTR_IS_PROTECTED, NULL, 0 );      val = key->revoked;
160          if (get_pubkey (k->keyid, &key))      if (val)
161              BUG (0);          return _("Revoked");
162          created = gpgme_key_get_ulong_attr( key, GPGME_ATTR_CREATED, NULL, 0 );      val = key->disabled;
163          expires = gpgme_key_get_ulong_attr( key, GPGME_ATTR_EXPIRES, NULL, 0 );      if (val)
164          sym_prefs = gpgme_key_get_string_attr( key, GPGME_ATTR_KEY_SYMPREFS, NULL, 0 );          return _("Disabled");
165          if (!sym_prefs)      return get_key_trust2 (NULL, key->uids->validity, 0, 0);
166              sym_prefs = dummy_symprefs;  }
167          valid = gpgme_key_get_ulong_attr (key, GPGME_ATTR_VALIDITY, NULL, 0);  
168          _snprintf (info, sizeof info -1,  
169                    "Type: %s\r\n"  /* Return the preferred sym. algorithm from @key as a string. */
170                    "Key ID: %s\r\n"  static const char*
171                    "Algorithm: %s\r\n"  get_pref_cipher (winpt_key_t k)
172                    "Size: %s\r\n"  {
173                    "Created: %s\r\n"      if (k->is_v3)
174                    "Expires: %s\r\n"          return "IDEA";
175                    "Validity: %s\r\n"      if (!k->ext->sym_prefs)
176                    "Cipher: %s\r\n",          return "3DES";
177                    get_key_type( key ),      switch (*k->ext->sym_prefs) {
178                    k->keyid,      case 1: return "IDEA";
179                    get_key_algo( key, 0 ),      case 2: return "3DES";
180                    get_key_size( key, 0 ),      case 3: return "CAST5";
181                    get_key_created( created ),      case 4: return "Blowfish";
182                    get_key_expire_date( expires ),      case 7:
183                    gpgme_key_expand_attr( GPGME_ATTR_VALIDITY, valid ),      case 8:
184                    gpgme_key_expand_attr( GPGME_ATTR_KEY_SYMPREFS, *sym_prefs ) );      case 9: return "AES";
185          SetDlgItemText( dlg, IDC_KEYPROPS_INFO, info );      case 10:return "Twofish";
186          SetDlgItemText( dlg, IDC_KEYPROPS_FPR, get_key_fpr( key ) );      }
187          ot = gpgme_key_get_ulong_attr( key, GPGME_ATTR_OTRUST, NULL, 0 );                    return "Unknown";
188          inf = ownertrust_to_string( NULL, ot );  }
189          SetDlgItemText( dlg, IDC_KEYPROPS_OT, inf );  
190          if( k->key_pair )  
191              EnableWindow( GetDlgItem( dlg, IDC_KEYPROPS_CHANGE_PWD ), TRUE );  /* Return true if the key has designated revokers. */
192          if( gpgme_key_count_items( key, GPGME_ATTR_REVKEY_FPR ) )  static bool
193              EnableWindow( GetDlgItem( dlg, IDC_KEYPROPS_REVOKERS ), TRUE );  check_for_desig_rev (gpgme_key_t key)
194          center_window (dlg);  {
195          SetForegroundWindow (dlg);            winpt_key_s k;
196          return TRUE;      memset (&k, 0, sizeof (k));
197              if (!winpt_get_pubkey (key->subkeys->keyid, &k))
198      case WM_PAINT:                return k.ext->gloflags.has_desig_rev? true : false;
199          if (photo_done == 0) {      return false;
200              photo_done = 1;  }
201              keyprops_show_photo (dlg, key);  
202          }  
203          break;  /* Print information (name) of the smart card. */
204    static const char*
205      case WM_SYSCOMMAND:  get_card_type (winpt_key_t k)
206          if( LOWORD( wparam ) == SC_CLOSE )  {    
207              EndDialog( dlg, TRUE );      static char buf[64];
208          return FALSE;  
209                if (!k->ext->card_type)
210      case WM_COMMAND:          return "";
211          switch( LOWORD( wparam ) ) {      _snprintf (buf, sizeof (buf)-1, _("Card-Type: %s\r\n"), k->ext->card_type);
212          case IDOK:      return buf;
213              EndDialog( dlg, TRUE );  }
214              return TRUE;  
215                
216          case IDC_KEYPROPS_OT_CHANGE:  /* Display the key information for key @k.
217              if( do_check_key( key ) ) {     Return value: gpgme key on success. */
218                  msg_box( dlg, _("The status of this key is 'revoked' or 'expired'.\n"  static void
219                                  "You cannot change the ownertrust of such keys."),  display_key_info (HWND dlg, winpt_key_t k, gpgme_key_t *r_key)
220                                  _("WinPT Warning"), MB_ERR );  {
221                  return FALSE;      struct winpt_key_s k2;
222              }      gpgme_key_t sk, key;
223              if( !k->key_pair && gpgme_key_get_ulong_attr( key, GPGME_ATTR_VALIDITY, NULL, 0 ) < 3 ) {      char info[512];
224                  rc = msg_box( dlg, _("This is a non-valid key.\n"      const char *inf;
225                                       "Modifying the ownertrust has no effect on such keys.\n"      u32 created, expires;
226                                       "Do you really want to continue?"),  
227                                       _("WinPT Warning"), MB_ICONWARNING|MB_YESNO );      memset (&k2, 0, sizeof (k2));      
228                  if (rc == IDNO)      if (k->key_pair)
229                      return FALSE;          winpt_get_seckey (k->keyid, &k2);
230              }      else    
231              GetDlgItemText( dlg, IDC_KEYPROPS_OT, info, sizeof info -1 );          winpt_get_pubkey (k->keyid, &k2);
232              gpgme_editkey_new( &ek );      sk = k2.ctx;
233              gpgme_editkey_is_secret( ek, k->key_pair );      if (sk)
234              dialog_box_param( glob_hinst, (LPCSTR)IDD_WINPT_KEYEDIT_OWNERTRUST,          k->is_protected = k2.is_protected;
235                               dlg, (DLGPROC)keyedit_ownertrust_dlg_proc,      if (get_pubkey (k->keyid, &key))
236                               (LPARAM)ek, _("Change Ownertrust"),          BUG (0);    
237                               IDS_WINPT_KEYEDIT_OWNERTRUST );      created = key->subkeys->timestamp;  
238              if (!gpgme_editkey_is_valid (ek))      expires = key->subkeys->expires;    
239                  return FALSE;      _snprintf (info, DIM (info)-1,
240              ec = gpgme_new (&ctx);                 _("Type: %s\r\n"
241              if (ec)                 "Key ID: %s\r\n"
242                  BUG (0);                 "Algorithm: %s\r\n"
243              gpgme_set_edit_ctx( ctx, ek, GPGME_EDITKEY_TRUST );                 "Size: %s bits\r\n"
244              ec = gpgme_op_editkey( ctx, k->keyid );                 "Created: %s\r\n"
245              gpgme_editkey_release( ek );                 "Expires: %s\r\n"
246                  gpgme_release( ctx );                 "Validity: %s\r\n"
247              if( ec ) {                 "Cipher: %s\r\n"
248                  msg_box( dlg, gpgme_strerror( ec ), _("Ownertrust"), MB_ERR );                 "%s\r\n"),
249                  return FALSE;                 get_key_type (key),
250              }                 k->keyid,
251              inf = ownertrust_to_string (ek, 0);                 get_key_algo (key, 0),
252              k->callback.new_val = keyedit_ownertrust_get_val ();                 get_key_size (key, 0),
253              do_change_ownertrust (k, inf);                 get_key_created (created),
254              SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf);                 get_key_expire_date (expires),
255              msg_box (dlg, _("Ownertrust successfully changed."), _("GnuPG Status"), MB_OK);                 get_validity (key),
256                               get_pref_cipher (&k2),
257              /* reload only the keylist */                 get_card_type (&k2));
258              rcs.kr_reload = 1; rcs.kr_update = 1;  
259              rcs.tr_update = 0;      SetDlgItemText (dlg, IDC_KEYPROPS_INFO, info);
260              DialogBoxParam( glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, dlg,      SetDlgItemText (dlg, IDC_KEYPROPS_FPR, get_key_fpr (key));  
261                              keycache_dlg_proc, (LPARAM)&rcs );      inf = ownertrust_to_string (key->owner_trust, k->key_pair);
262              get_seckey (k->keyid, &sk);      SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf);
263              if (get_pubkey (k->keyid, &key))  
264                  BUG (0);      *r_key = key;
265              return TRUE;  }
266                
267          case IDC_KEYPROPS_CHANGE_PWD:  
268              keyedit_change_passwd (k, dlg);          /* Dialog box procedure to show the key properties. */
269              return TRUE;  BOOL CALLBACK
270    keyprops_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
271          case IDC_KEYPROPS_REVOKERS:          {
272              dialog_box_param( glob_hinst, (LPCTSTR)IDD_WINPT_KEYREVOKERS, dlg,      static winpt_key_t k;
273                                key_revokers_dlg_proc, (LPARAM)key, _("Key Revokers"),      static gpgme_key_t key;
274                                IDS_WINPT_KEY_REVOKERS );      gpgme_validity_t valid;
275              break;      refresh_cache_s rcs = {0};
276          }      const char *inf;
277      }      int cancel = 0;
278            int rc;
279      return FALSE;      
280  } /* keyprops_dlg_proc */      /* XXX: static variable (k) prevent that the dialog can
281                be opened twice. */
282        switch (msg) {
283        case WM_INITDIALOG:
284            if (!lparam)
285                dlg_fatal_error (dlg, "Could not get dialog param!");
286            k = (winpt_key_t)lparam;
287            SetWindowText (dlg, _("Key Properties"));
288            SetDlgItemText (dlg, IDC_KEYPROPS_OT_CHANGE, _("&Change"));
289            SetDlgItemText (dlg, IDC_KEYPROPS_REVOKERS, _("&Revokers"));
290            SetDlgItemText (dlg, IDC_KEYPROPS_CHANGE_PWD, _("Change &Password"));
291            SetDlgItemText (dlg, IDC_KEYPROPS_OTINF, _("Ownertrust"));
292    
293            display_key_info (dlg, k, &key);
294            if (!keyprops_load_photo (dlg, key, &valid)) {
295                k->has_photo = 1;  
296                if (valid < GPGME_VALIDITY_MARGINAL)
297                    SetDlgItemText (dlg, IDC_KEYPROPS_IMGINF, _("Photo-ID not validated."));
298            }
299            if (k->key_pair)
300                EnableWindow (GetDlgItem (dlg, IDC_KEYPROPS_CHANGE_PWD), TRUE);
301            if (check_for_desig_rev (key))
302                EnableWindow (GetDlgItem (dlg, IDC_KEYPROPS_REVOKERS), TRUE);
303            if (key->revoked || key->expired)
304                EnableWindow (GetDlgItem (dlg, IDC_KEYPROPS_OT_CHANGE), FALSE);
305            center_window (dlg, NULL);
306            SetForegroundWindow (dlg);      
307            return TRUE;
308    
309        case WM_DESTROY:
310            remove (get_photo_tmpname (dlg));
311            break;
312          
313        case WM_PAINT:
314            if (k->has_photo)
315                keyprops_show_photo (dlg);
316            break;
317    
318        case WM_SYSCOMMAND:
319            if (LOWORD (wparam) == SC_CLOSE)
320                EndDialog (dlg, TRUE);
321            return FALSE;
322            
323        case WM_COMMAND:
324            switch (LOWORD (wparam)) {
325            case IDOK:
326                EndDialog (dlg, TRUE);
327                return TRUE;
328                
329            case IDC_KEYPROPS_OT_CHANGE:
330                if (do_check_key (key)) {
331                    msg_box (dlg, _("The status of this key is 'revoked' or 'expired'.\n"
332                                    "You cannot change the ownertrust of such keys."),
333                                    _("WinPT Warning"), MB_ERR);
334                    return TRUE;
335                }
336                if (!k->key_pair && key->uids->validity < 3) {
337                    rc = msg_box (dlg, _("This is a non-valid key.\n"
338                                         "Modifying the ownertrust has no effect on such keys.\n\n"
339                                         "Do you really want to continue?"),
340                                         _("WinPT Warning"), MB_ICONWARNING|MB_YESNO);
341                    if (rc == IDNO)
342                        return TRUE;
343                }
344                rc = dialog_box_param (glob_hinst,
345                                       (LPCSTR)IDD_WINPT_KEYEDIT_OWNERTRUST,
346                                        dlg, keyedit_ownertrust_dlg_proc,
347                                       (LPARAM)k, _("Change Ownertrust"),
348                                        IDS_WINPT_KEYEDIT_OWNERTRUST);
349                if (rc == FALSE) /* Cancel */
350                    return TRUE;
351    
352                inf = ownertrust_to_string (k->callback.new_val, k->key_pair);
353                SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf);
354                msg_box (dlg, _("Ownertrust successfully changed."),
355                         _("GnuPG Status"), MB_OK);
356                k->update = 1;
357                return TRUE;
358                
359            case IDC_KEYPROPS_CHANGE_PWD:
360                keyedit_change_passwd (k, dlg);        
361                return TRUE;
362    
363            case IDC_KEYPROPS_REVOKERS:
364                k->update = dialog_box_param (
365                    glob_hinst, (LPCTSTR)IDD_WINPT_KEYREVOKERS, dlg,
366                    key_revokers_dlg_proc, (LPARAM)key,
367                    _("Key Revokers"), IDS_WINPT_KEY_REVOKERS);
368                break;
369            }
370        }
371        
372        return FALSE;
373    }

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