trunk/Src/wptKeyPropsDlg.cpp

/* wptKeyPropsDlg.cpp - WinPT key properties dialog
 *      Copyright (C) 2000, 2001, 2002, 2003, 2005 Timo Schulz
 *
 * This file is part of WinPT.
 *
 * WinPT is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * WinPT is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with WinPT; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#include <windows.h>

#include "../resource.h"
#include "wptErrors.h"
#include "wptGPG.h"
#include "wptCommonCtl.h"
#include "wptContext.h" /* for passphrase_s */
#include "wptNLS.h"
#include "wptDlgs.h" 
#include "wptTypes.h"
#include "wptKeylist.h"
#include "wptW32API.h"
#include "wptVersion.h"
#include "wptKeyEdit.h"


static void
do_change_ownertrust (winpt_key_t k, const char *s)
{
    char ot[64];
    
    if( strstr( s, "ultimate" ) ) {
        listview_get_item_text (k->callback.ctl, k->callback.idx, 5, ot, DIM (ot)-1);
        strcpy (ot, "Ultimate");
        listview_add_sub_item (k->callback.ctl, k->callback.idx, 5, ot);
        /* fixme: If we switch back from Ultimate to a lower level */
    }
} /* do_change_ownertrust */


static int
do_check_key (gpgme_key_t key)
{
    int okay = 0;
    okay = key->expired;
    if (!okay)
        okay = key->revoked;
    return okay;
} /* do_check_key */


static const char*
ownertrust_to_string (int val)
{
    const char * inf;
    int id = val;
    switch (id) {
    case 1: inf = _("Don't know");         break;
    case 2: inf = _("I do NOT trust");     break;
    case 3: inf = _("I trust marginally"); break;
    case 4: inf = _("I trust fully");      break;
    case 5:
    case 6: inf = _("I trust ultimately"); break;
    default:inf = _("Unknown");            break;
    }
    
    return inf;
} /* ownertrust_to_string */


#define PHOTO_TMPNAME "winpt_temp_photo.jpg"

static int
keyprops_show_photo (HWND dlg, gpgme_key_t key)
{
    RECT r;     
    POINT p;
    HWND h;
    const BYTE *img;
    DWORD imglen = 0;
    int pos=0;
    winpt_key_s k;

    winpt_get_pubkey (key->subkeys->keyid, &k);
    img = k.ext->attrib.d;
    imglen = k.ext->attrib.len;

    if (!img || !imglen)
        return -1;
    FILE *f = fopen (PHOTO_TMPNAME, "wb");
    if (f) {
        for (pos = 0; img[pos] != 0x10; pos++)
                ;
        pos += 16;
        fwrite (img + pos, 1, imglen - pos, f);
        fwrite (img, 1, imglen, f);
        fclose (f);
    }

    h = GetDlgItem (dlg, IDC_KEYPROPS_IMG);
    GetWindowRect (h, &r);
    p.x = r.left + 5;
    p.y = r.top - 2;
    memset (&p, 0, sizeof (p));
    PTD_jpg_show (h, &p, PHOTO_TMPNAME);
    unlink (PHOTO_TMPNAME);

    return 0;
}


/* Return string representation of the key validity. @key. */
static const char*
get_validity (gpgme_key_t key)
{
    int val;
    val = key->expired;
    if (val)
        return "Expired";       
    val = key->revoked;
    if (val)
        return "Revoked";
    return get_key_trust2 (NULL, key->uids->validity, 0, 0);
}


/* Return the preferred sym. algorithm from @key as a string. */
static const char*
get_pref_cipher (winpt_key_t k)
{
    const char *sym_prefs=NULL;    

    if (k->is_v3)
        return "IDEA";
    if (!k->ext->sym_prefs)
        return "3DES";
    switch (*k->ext->sym_prefs) {
    case 1: return "IDEA";
    case 2: return "3DES";
    case 3: return "CAST5";
    case 4: return "Blowfish";
    case 7:
    case 8:
    case 9: return "AES";
    case 10:return "Twofish";
    }
    return "Unknown";
}


/* Return true if the key has designated revokers. */
static bool
check_for_desig_rev (gpgme_key_t key)
{
    winpt_key_s k;
    memset (&k, 0, sizeof (k));
    if (!winpt_get_pubkey (key->subkeys->keyid, &k))
        return k.ext->gloflags.has_desig_rev? true : false;
    return false;
}


/* Dialog box procedure to show the key properties. */
BOOL CALLBACK
keyprops_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
    static winpt_key_t k;
    static gpgme_key_t key, sk;
    static int photo_done = 0;
    struct winpt_key_s k2;
    refresh_cache_s rcs = {0};
    const char *inf;
    char info[512];
    u32 created, expires;
    int ot, cancel = 0;
    int rc;
    
    switch (msg) {
    case WM_INITDIALOG:
        if (!lparam)
            dlg_fatal_error( dlg, "Could not get dialog param!" );
        k = (winpt_key_t)lparam;
        #ifndef LANG_DE
        SetWindowText( dlg, _("Key Properties") );
        SetDlgItemText (dlg, IDC_KEYPROPS_OT_CHANGE, _("&Change"));
        SetDlgItemText (dlg, IDC_KEYPROPS_REVOKERS, _("&Revokers"));
        SetDlgItemText (dlg, IDC_KEYPROPS_CHANGE_PWD, _("Change &Passwd"));
        #endif  

        photo_done = 0;
        memset (&k2, 0, sizeof (k2));
        if (k->key_pair)
            winpt_get_seckey (k->keyid, &k2);
        else
            winpt_get_pubkey (k->keyid, &k2);
        sk = k2.ctx;
        if (sk)
            k->is_protected = k2.is_protected;
        if (get_pubkey (k->keyid, &key))
            BUG (0);
        created = key->subkeys->timestamp;
        expires = key->subkeys->expires;
        _snprintf (info, DIM (info)-1,
                  "Type: %s\r\n"
                  "Key ID: %s\r\n"
                  "Algorithm: %s\r\n"
                  "Size: %s\r\n"
                  "Created: %s\r\n"
                  "Expires: %s\r\n"
                  "Validity: %s\r\n"
                  "Cipher: %s\r\n",
                  get_key_type (key),
                  k->keyid,
                  get_key_algo (key, 0),
                  get_key_size (key, 0),
                  get_key_created (created),
                  get_key_expire_date (expires),
                  get_validity (key), 
                  get_pref_cipher (&k2));
        SetDlgItemText (dlg, IDC_KEYPROPS_INFO, info);
        SetDlgItemText (dlg, IDC_KEYPROPS_FPR, get_key_fpr (key));
        ot = gpgme_key_get_ulong_attr( key, GPGME_ATTR_OTRUST, NULL, 0 );               
        inf = ownertrust_to_string (ot);
        SetDlgItemText( dlg, IDC_KEYPROPS_OT, inf );
        if (k->key_pair)
            EnableWindow( GetDlgItem( dlg, IDC_KEYPROPS_CHANGE_PWD ), TRUE );
        if (check_for_desig_rev (key))
            EnableWindow( GetDlgItem( dlg, IDC_KEYPROPS_REVOKERS ), TRUE );
        center_window (dlg, NULL);
        SetForegroundWindow (dlg);      
        return TRUE;
      
    case WM_PAINT:      
        if (photo_done == 0) {
            photo_done = 1;
            keyprops_show_photo (dlg, key);
        }
        break;

    case WM_SYSCOMMAND:
        if( LOWORD( wparam ) == SC_CLOSE )
            EndDialog( dlg, TRUE );
        return FALSE;
        
    case WM_COMMAND:
        switch( LOWORD( wparam ) ) {
        case IDOK:
            EndDialog( dlg, TRUE );
            return TRUE;
            
        case IDC_KEYPROPS_OT_CHANGE:
            if( do_check_key( key ) ) {
                msg_box( dlg, _("The status of this key is 'revoked' or 'expired'.\n"
                                "You cannot change the ownertrust of such keys."), 
                                _("WinPT Warning"), MB_ERR );
                return FALSE;
            }
            if( !k->key_pair && key->uids->validity < 3 ) {
                rc = msg_box( dlg, _("This is a non-valid key.\n"
                                     "Modifying the ownertrust has no effect on such keys.\n\n"
                                     "Do you really want to continue?"), 
                                     _("WinPT Warning"), MB_ICONWARNING|MB_YESNO );
                if (rc == IDNO)
                    return FALSE;
            }
            GetDlgItemText( dlg, IDC_KEYPROPS_OT, info, sizeof info -1 );

            
            dialog_box_param (glob_hinst, (LPCSTR)IDD_WINPT_KEYEDIT_OWNERTRUST,
                              dlg, (DLGPROC)keyedit_ownertrust_dlg_proc,
                              (LPARAM)k, _("Change Ownertrust"),
                              IDS_WINPT_KEYEDIT_OWNERTRUST);
            if (k->callback.new_val == -1) { /* Cancel */
                EndDialog (dlg, FALSE);
                break;
            }

            inf = ownertrust_to_string (k->callback.new_val);
            do_change_ownertrust (k, inf);
            SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf);
            msg_box (dlg, _("Ownertrust successfully changed."), _("GnuPG Status"), MB_OK);
            
            /* reload only the keylist */
            rcs.kr_reload = 1; rcs.kr_update = 1;
            rcs.tr_update = 0;
            DialogBoxParam( glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, dlg,
                            keycache_dlg_proc, (LPARAM)&rcs );
            /* XXX: old code!? 
            get_seckey (k->keyid, &sk);
            if (get_pubkey (k->keyid, &key))
                BUG (0);
            */
            return TRUE;
            
        case IDC_KEYPROPS_CHANGE_PWD:
            keyedit_change_passwd (k, dlg);         
            return TRUE;

        case IDC_KEYPROPS_REVOKERS:         
            dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYREVOKERS, dlg,
                              key_revokers_dlg_proc, (LPARAM)key, _("Key Revokers"),
                              IDS_WINPT_KEY_REVOKERS);
            break;
        }
    }
    
    return FALSE;
}

1	twoaday	2	/* wptKeyPropsDlg.cpp - WinPT key properties dialog
2	twoaday	22	* Copyright (C) 2000, 2001, 2002, 2003, 2005 Timo Schulz
3	twoaday	2	*
4			* This file is part of WinPT.
5			*
6			* 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
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* WinPT is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with WinPT; if not, write to the Free Software Foundation,
18			* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19			*/
20
21			#include <windows.h>
22
23			#include "../resource.h"
24			#include "wptErrors.h"
25			#include "wptGPG.h"
26			#include "wptCommonCtl.h"
27			#include "wptContext.h" /* for passphrase_s */
28			#include "wptNLS.h"
29			#include "wptDlgs.h"
30			#include "wptTypes.h"
31			#include "wptKeylist.h"
32			#include "wptW32API.h"
33			#include "wptVersion.h"
34			#include "wptKeyEdit.h"
35
36
37			static void
38	twoaday	22	do_change_ownertrust (winpt_key_t k, const char *s)
39	twoaday	2	{
40	twoaday	22	char ot[64];
41	twoaday	2
42			if( strstr( s, "ultimate" ) ) {
43	twoaday	22	listview_get_item_text (k->callback.ctl, k->callback.idx, 5, ot, DIM (ot)-1);
44			strcpy (ot, "Ultimate");
45			listview_add_sub_item (k->callback.ctl, k->callback.idx, 5, ot);
46	twoaday	2	/* fixme: If we switch back from Ultimate to a lower level */
47			}
48			} /* do_change_ownertrust */
49
50
51			static int
52	twoaday	22	do_check_key (gpgme_key_t key)
53	twoaday	2	{
54			int okay = 0;
55	twoaday	23	okay = key->expired;
56	twoaday	22	if (!okay)
57	twoaday	23	okay = key->revoked;
58	twoaday	2	return okay;
59			} /* do_check_key */
60
61
62			static const char*
63	twoaday	24	ownertrust_to_string (int val)
64	twoaday	2	{
65			const char * inf;
66	twoaday	24	int id = val;
67	twoaday	2	switch (id) {
68			case 1: inf = _("Don't know"); break;
69			case 2: inf = _("I do NOT trust"); break;
70			case 3: inf = _("I trust marginally"); break;
71			case 4: inf = _("I trust fully"); break;
72			case 5:
73			case 6: inf = _("I trust ultimately"); break;
74			default:inf = _("Unknown"); break;
75			}
76
77			return inf;
78			} /* ownertrust_to_string */
79
80
81	twoaday	22	#define PHOTO_TMPNAME "winpt_temp_photo.jpg"
82
83	twoaday	2	static int
84			keyprops_show_photo (HWND dlg, gpgme_key_t key)
85			{
86			RECT r;
87			POINT p;
88			HWND h;
89			const BYTE *img;
90			DWORD imglen = 0;
91			int pos=0;
92	twoaday	23	winpt_key_s k;
93	twoaday	2
94	twoaday	23	winpt_get_pubkey (key->subkeys->keyid, &k);
95			img = k.ext->attrib.d;
96			imglen = k.ext->attrib.len;
97
98	twoaday	2	if (!img \|\| !imglen)
99			return -1;
100	twoaday	22	FILE *f = fopen (PHOTO_TMPNAME, "wb");
101	twoaday	2	if (f) {
102			for (pos = 0; img[pos] != 0x10; pos++)
103			;
104			pos += 16;
105			fwrite (img + pos, 1, imglen - pos, f);
106			fwrite (img, 1, imglen, f);
107			fclose (f);
108			}
109
110			h = GetDlgItem (dlg, IDC_KEYPROPS_IMG);
111			GetWindowRect (h, &r);
112			p.x = r.left + 5;
113			p.y = r.top - 2;
114	twoaday	22	memset (&p, 0, sizeof (p));
115			PTD_jpg_show (h, &p, PHOTO_TMPNAME);
116			unlink (PHOTO_TMPNAME);
117	twoaday	2
118			return 0;
119			}
120
121
122	twoaday	23	/* Return string representation of the key validity. @key. */
123	twoaday	22	static const char*
124			get_validity (gpgme_key_t key)
125			{
126			int val;
127	twoaday	23	val = key->expired;
128	twoaday	22	if (val)
129			return "Expired";
130	twoaday	23	val = key->revoked;
131	twoaday	22	if (val)
132			return "Revoked";
133	twoaday	23	return get_key_trust2 (NULL, key->uids->validity, 0, 0);
134	twoaday	22	}
135
136
137	twoaday	24	/* Return the preferred sym. algorithm from @key as a string. */
138	twoaday	23	static const char*
139	twoaday	24	get_pref_cipher (winpt_key_t k)
140	twoaday	23	{
141	twoaday	24	const char *sym_prefs=NULL;
142
143			if (k->is_v3)
144			return "IDEA";
145			if (!k->ext->sym_prefs)
146			return "3DES";
147			switch (*k->ext->sym_prefs) {
148	twoaday	23	case 1: return "IDEA";
149			case 2: return "3DES";
150	twoaday	24	case 3: return "CAST5";
151	twoaday	23	case 4: return "Blowfish";
152			case 7:
153			case 8:
154			case 9: return "AES";
155	twoaday	24	case 10:return "Twofish";
156	twoaday	23	}
157			return "Unknown";
158			}
159
160
161			/* Return true if the key has designated revokers. */
162			static bool
163			check_for_desig_rev (gpgme_key_t key)
164			{
165			winpt_key_s k;
166	twoaday	24	memset (&k, 0, sizeof (k));
167	twoaday	23	if (!winpt_get_pubkey (key->subkeys->keyid, &k))
168			return k.ext->gloflags.has_desig_rev? true : false;
169			return false;
170			}
171
172
173			/* Dialog box procedure to show the key properties. */
174	twoaday	2	BOOL CALLBACK
175	twoaday	23	keyprops_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
176	twoaday	2	{
177			static winpt_key_t k;
178			static gpgme_key_t key, sk;
179			static int photo_done = 0;
180	twoaday	23	struct winpt_key_s k2;
181	twoaday	2	refresh_cache_s rcs = {0};
182			const char *inf;
183	twoaday	26	char info[512];
184	twoaday	2	u32 created, expires;
185	twoaday	22	int ot, cancel = 0;
186	twoaday	2	int rc;
187
188			switch (msg) {
189			case WM_INITDIALOG:
190			if (!lparam)
191			dlg_fatal_error( dlg, "Could not get dialog param!" );
192			k = (winpt_key_t)lparam;
193			#ifndef LANG_DE
194			SetWindowText( dlg, _("Key Properties") );
195			SetDlgItemText (dlg, IDC_KEYPROPS_OT_CHANGE, _("&Change"));
196			SetDlgItemText (dlg, IDC_KEYPROPS_REVOKERS, _("&Revokers"));
197			SetDlgItemText (dlg, IDC_KEYPROPS_CHANGE_PWD, _("Change &Passwd"));
198			#endif
199
200			photo_done = 0;
201	twoaday	24	memset (&k2, 0, sizeof (k2));
202			if (k->key_pair)
203			winpt_get_seckey (k->keyid, &k2);
204			else
205			winpt_get_pubkey (k->keyid, &k2);
206	twoaday	23	sk = k2.ctx;
207	twoaday	2	if (sk)
208	twoaday	23	k->is_protected = k2.is_protected;
209	twoaday	2	if (get_pubkey (k->keyid, &key))
210			BUG (0);
211	twoaday	23	created = key->subkeys->timestamp;
212			expires = key->subkeys->expires;
213			_snprintf (info, DIM (info)-1,
214	twoaday	2	"Type: %s\r\n"
215			"Key ID: %s\r\n"
216			"Algorithm: %s\r\n"
217			"Size: %s\r\n"
218			"Created: %s\r\n"
219			"Expires: %s\r\n"
220			"Validity: %s\r\n"
221			"Cipher: %s\r\n",
222	twoaday	23	get_key_type (key),
223			k->keyid,
224			get_key_algo (key, 0),
225			get_key_size (key, 0),
226			get_key_created (created),
227			get_key_expire_date (expires),
228	twoaday	22	get_validity (key),
229	twoaday	24	get_pref_cipher (&k2));
230	twoaday	23	SetDlgItemText (dlg, IDC_KEYPROPS_INFO, info);
231			SetDlgItemText (dlg, IDC_KEYPROPS_FPR, get_key_fpr (key));
232	twoaday	2	ot = gpgme_key_get_ulong_attr( key, GPGME_ATTR_OTRUST, NULL, 0 );
233	twoaday	24	inf = ownertrust_to_string (ot);
234	twoaday	2	SetDlgItemText( dlg, IDC_KEYPROPS_OT, inf );
235	twoaday	23	if (k->key_pair)
236	twoaday	2	EnableWindow( GetDlgItem( dlg, IDC_KEYPROPS_CHANGE_PWD ), TRUE );
237	twoaday	23	if (check_for_desig_rev (key))
238	twoaday	2	EnableWindow( GetDlgItem( dlg, IDC_KEYPROPS_REVOKERS ), TRUE );
239	twoaday	23	center_window (dlg, NULL);
240	twoaday	2	SetForegroundWindow (dlg);
241			return TRUE;
242
243			case WM_PAINT:
244			if (photo_done == 0) {
245			photo_done = 1;
246			keyprops_show_photo (dlg, key);
247			}
248			break;
249
250			case WM_SYSCOMMAND:
251			if( LOWORD( wparam ) == SC_CLOSE )
252			EndDialog( dlg, TRUE );
253			return FALSE;
254
255			case WM_COMMAND:
256			switch( LOWORD( wparam ) ) {
257			case IDOK:
258			EndDialog( dlg, TRUE );
259			return TRUE;
260
261			case IDC_KEYPROPS_OT_CHANGE:
262			if( do_check_key( key ) ) {
263			msg_box( dlg, _("The status of this key is 'revoked' or 'expired'.\n"
264			"You cannot change the ownertrust of such keys."),
265			_("WinPT Warning"), MB_ERR );
266			return FALSE;
267			}
268	twoaday	23	if( !k->key_pair && key->uids->validity < 3 ) {
269	twoaday	2	rc = msg_box( dlg, _("This is a non-valid key.\n"
270	twoaday	23	"Modifying the ownertrust has no effect on such keys.\n\n"
271	twoaday	2	"Do you really want to continue?"),
272			_("WinPT Warning"), MB_ICONWARNING\|MB_YESNO );
273			if (rc == IDNO)
274			return FALSE;
275			}
276			GetDlgItemText( dlg, IDC_KEYPROPS_OT, info, sizeof info -1 );
277	twoaday	23
278	twoaday	24
279	twoaday	23	dialog_box_param (glob_hinst, (LPCSTR)IDD_WINPT_KEYEDIT_OWNERTRUST,
280			dlg, (DLGPROC)keyedit_ownertrust_dlg_proc,
281	twoaday	24	(LPARAM)k, _("Change Ownertrust"),
282	twoaday	23	IDS_WINPT_KEYEDIT_OWNERTRUST);
283	twoaday	24	if (k->callback.new_val == -1) { /* Cancel */
284			EndDialog (dlg, FALSE);
285			break;
286			}
287
288			inf = ownertrust_to_string (k->callback.new_val);
289	twoaday	2	do_change_ownertrust (k, inf);
290			SetDlgItemText (dlg, IDC_KEYPROPS_OT, inf);
291			msg_box (dlg, _("Ownertrust successfully changed."), _("GnuPG Status"), MB_OK);
292
293			/* reload only the keylist */
294			rcs.kr_reload = 1; rcs.kr_update = 1;
295			rcs.tr_update = 0;
296			DialogBoxParam( glob_hinst, (LPCSTR)IDD_WINPT_KEYCACHE, dlg,
297			keycache_dlg_proc, (LPARAM)&rcs );
298	twoaday	24	/* XXX: old code!?
299	twoaday	2	get_seckey (k->keyid, &sk);
300			if (get_pubkey (k->keyid, &key))
301			BUG (0);
302	twoaday	24	*/
303	twoaday	2	return TRUE;
304
305			case IDC_KEYPROPS_CHANGE_PWD:
306			keyedit_change_passwd (k, dlg);
307			return TRUE;
308
309			case IDC_KEYPROPS_REVOKERS:
310	twoaday	23	dialog_box_param (glob_hinst, (LPCTSTR)IDD_WINPT_KEYREVOKERS, dlg,
311			key_revokers_dlg_proc, (LPARAM)key, _("Key Revokers"),
312			IDS_WINPT_KEY_REVOKERS);
313	twoaday	2	break;
314			}
315			}
316
317			return FALSE;
318	twoaday	23	}
319