trunk/Src/wptKeysignDlg.cpp

/* wptKeysignDlg.cpp - Key signing dialog
 *      Copyright (C) 2001-2005 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 <commctrl.h>

#include "../resource.h"
#include "wptGPG.h"
#include "wptNLS.h"
#include "wptW32API.h"
#include "wptVersion.h"
#include "wptTypes.h"
#include "wptErrors.h"
#include "wptCommonCtl.h"
#include "wptContext.h"
#include "wptDlgs.h"
#include "wptUTF8.h"
#include "wptRegistry.h"

static int sig_class_choice = 0;

static const char *
get_printable_fpr (const char * fpr)
{
    static char pfpr[64];    
    int pos = 0;
    size_t i;

    for( i = 0; i < strlen (fpr); i += 4 ) {
        pfpr[pos++] = fpr[i];
        pfpr[pos++] = fpr[i+1];
        pfpr[pos++] = fpr[i+2];
        pfpr[pos++] = fpr[i+3];
        pfpr[pos++] = ' ';
    }
    return pfpr;
} /* get_printable_fpr */


static const char *
get_keyinfo (gpgme_key_t key)
{
    static char buf[64+16];
   
    _snprintf (buf, DIM (buf)-1-16, "%d-bit %s key, ID %s", 
        gpgme_key_get_ulong_attr (key, GPGME_ATTR_LEN, NULL, 0),
        gpgme_key_get_string_attr (key, GPGME_ATTR_ALGO, NULL, 0),
        gpgme_key_get_string_attr (key, GPGME_ATTR_KEYID, NULL, 0) + 8 );
    if (gpgme_key_get_ulong_attr (key, GPGME_ATTR_DIVERT_CARD, NULL, 0))
        strcat (buf, " (Card)");
    return buf;
} /* get_keyinfo */


static int
do_fill_seckeylist (HWND dlg, const char * keyid)
{
    gpgme_keycache_t sec;
    gpgme_key_t pk;
    const char * s;
    char * uid, * p;    
    int i = 0, n=0;

    sec = keycache_get_ctx (0);
    if (!sec)
        BUG (0);
    gpgme_keycache_rewind (sec);
    while (!gpgme_keycache_next_key (sec, 1, &pk)) 
    {
        if (!pk)
            continue;
        s = gpgme_key_get_string_attr (pk, GPGME_ATTR_KEYID, NULL, 0);
        if (!strcmp (s, keyid))
            continue;
        /* skip all ElGamal sign+encrypt keys */
        if( gpgme_key_get_ulong_attr( pk, GPGME_ATTR_ALGO, NULL, 0 )
            == GPGME_PK_ELG_ES )
            continue;
        /* make sure the public key is okay not: revoked, expired or disabled. */
        if( gpgme_key_get_ulong_attr (pk, GPGME_ATTR_EXPIRE, NULL, 0) 
            || gpgme_key_get_ulong_attr (pk, GPGME_ATTR_KEY_REVOKED, NULL, 0)
            || gpgme_key_get_ulong_attr (pk, GPGME_ATTR_KEY_DISABLED, NULL, 0))
            continue;
        s = gpgme_key_get_string_attr (pk, GPGME_ATTR_NAME, NULL, 0);
        if( !s )
            continue;
        uid = utf8_to_wincp (s, strlen (s));
        p = new char[strlen( uid ) + 64];
        if( !p )
            BUG( NULL );        
        _snprintf (p, strlen (uid) + 63, "%s (%s)", uid, get_keyinfo (pk));
        SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, CB_ADDSTRING, i, (LPARAM)(char *)p);
        SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, CB_SETITEMDATA, i++, (LPARAM)(DWORD)pk);
        free_if_alloc (p);
        free (uid);
        n++;
    }
    SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, CB_SETCURSEL, 0, 0);
    if (!n)
        return -1;
    return 0;
} /* do_fill_seckeylist */


static void
do_add_local_user (gpgme_ctx_t ctx, HWND dlg)
{
    int idx;
    const char * s;
    gpgme_key_t key;

    idx = SendDlgItemMessage( dlg, IDC_KEYSIGN_KEYLIST, CB_GETCURSEL, 0, 0 );
    key = (gpgme_key_t)SendDlgItemMessage( dlg, IDC_KEYSIGN_KEYLIST, CB_GETITEMDATA, (WPARAM)idx, 0 );
    if( key && (s = gpgme_key_get_string_attr( key, GPGME_ATTR_KEYID, NULL, 0 )) )
        gpgme_set_local_user( ctx, s );    
} /* do_add_local_user */


static void
do_check_protection (HWND dlg)
{
    int idx, protec;
    gpgme_key_t key;

    idx = SendDlgItemMessage( dlg, IDC_KEYSIGN_KEYLIST, CB_GETCURSEL, 0, 0 );
    key = (gpgme_key_t)SendDlgItemMessage( dlg, IDC_KEYSIGN_KEYLIST, CB_GETITEMDATA, (WPARAM)idx, 0 );
    if (key)
    {
        protec = gpgme_key_get_ulong_attr (key, GPGME_ATTR_IS_PROTECTED, NULL, 0);
        if (!protec)
            protec = gpgme_key_get_ulong_attr (key, GPGME_ATTR_DIVERT_CARD, NULL, 0);
        EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_PASSPHRASE), protec? TRUE : FALSE);
    }
} /* do_check_protection */


BOOL CALLBACK
sig_class_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
    switch (msg) 
    {
    case WM_INITDIALOG:
        SetWindowText (dlg, _("Choose Signature Class"));
        SetDlgItemText (dlg, IDC_SIGCLASS_TITLEINF, _("How carefully have you verified the key you are about to sign actually belongs to the person? If you don't know what to anwser, use \"0\"."));
        SetDlgItemText (dlg, IDC_SIGCLASS_CLASS0, _("(0) I will not answer (default)"));
        SetDlgItemText (dlg, IDC_SIGCLASS_CLASS1, _("(1) I have not checked at all."));
        SetDlgItemText (dlg, IDC_SIGCLASS_CLASS2, _("(2) I have done causal checking."));
        SetDlgItemText (dlg, IDC_SIGCLASS_CLASS3, _("(3) I have done very careful checkings."));
        CheckDlgButton (dlg, IDC_SIGCLASS_CLASS0, BST_CHECKED);
        SetForegroundWindow (dlg);
        center_window (dlg);
        return TRUE;

    case WM_COMMAND:
        switch( LOWORD( wparam ) ) {
        case IDOK:
            if( IsDlgButtonChecked( dlg, IDC_SIGCLASS_CLASS0 ) )
                sig_class_choice = 0;
            else if( IsDlgButtonChecked( dlg, IDC_SIGCLASS_CLASS1 ) )
                sig_class_choice = 1;
            else if( IsDlgButtonChecked( dlg, IDC_SIGCLASS_CLASS2 ) )
                sig_class_choice = 2;
            else if( IsDlgButtonChecked( dlg, IDC_SIGCLASS_CLASS3 ) )
                sig_class_choice = 3;
            else
                sig_class_choice = 0;
            EndDialog( dlg, TRUE );
            break;
        }
        break;
    }

    return FALSE;
} /* sig_class_dlg_proc */


BOOL CALLBACK
keysign_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
    static gpgme_key_t key;
    static int enable=0;
    gpgme_editkey_t ke;
    gpgme_ctx_t ctx;
    gpgme_error_t err;
    SYSTEMTIME st;
    HWND h;
    char keymsg[4096], pwd[256], *uid = NULL;
    const char *keyid, *s;
    u32 created;
    int type, expires=0;

    
    switch ( msg )  {
    case WM_INITDIALOG:
        enable = 0;
        if( lparam == NULL )
            dlg_fatal_error( dlg, "Could not get dialog param." );
        #ifndef LANG_DE
        SetWindowText( dlg, _("Key Signing") );
        #endif
        key = (gpgme_key_t) lparam;
        created = gpgme_key_get_ulong_attr(key, GPGME_ATTR_CREATED, NULL, 0);
        s = gpgme_key_get_string_attr( key, GPGME_ATTR_USERID, NULL, 0 );
        if( s )
            uid = utf8_to_wincp (s, strlen (s));
        _snprintf( keymsg, sizeof keymsg -1,
                   _("pub %d/%s created: %s\n\n"
                     "Primary key fingerprint: %s\n\n"
                     "\t%s\n\n"
                     "\nAre you really sure that you want to sign this key with YOUR key?\n"),
                   gpgme_key_get_ulong_attr( key, GPGME_ATTR_LEN, NULL, 0 ),
                   gpgme_key_get_string_attr( key, GPGME_ATTR_KEYID, NULL, 0 )+8,
                   gpgme_key_expand_attr( GPGME_ATTR_CREATED, created ),
                   get_printable_fpr( gpgme_key_get_string_attr( key, GPGME_ATTR_FPR, NULL, 0 ) ),
                   uid );
        free (uid);
        s = gpgme_key_get_string_attr (key, GPGME_ATTR_KEYID, NULL, 0);
        if (do_fill_seckeylist (dlg, s)) {
            msg_box( dlg, _("No valid secret key found."), _("Key Signing"), MB_ERR );
            EndDialog( dlg, FALSE );
        }
        SetDlgItemText( dlg, IDC_KEYSIGN_INFOS, keymsg );
        #ifndef LANG_DE
        SetDlgItemText( dlg, IDC_KEYSIGN_LOCAL, _("Sign local only (non exportable signature)") );
        SetDlgItemText (dlg, IDC_KEYSIGN_EXPSIG, _("Signature expires on"));
        SetDlgItemText (dlg, IDC_KEYSIGN_NREV, _("Sign non-revocably"));
        #endif
        CheckDlgButton( dlg, IDC_KEYSIGN_LOCAL, BST_CHECKED );
        CheckDlgButton (dlg, IDC_KEYSIGN_EXPSIG, BST_UNCHECKED);
        EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), FALSE);
        if (reg_prefs.expert == 0)
            ShowWindow (GetDlgItem (dlg, IDC_KEYSIGN_NREV), SW_HIDE);
        SetForegroundWindow( dlg );
        h = GetDlgItem( dlg, IDC_KEYSIGN_PASSPHRASE );
        SetFocus( h );
        return FALSE;
        
    case WM_SYSCOMMAND:
        if( LOWORD( wparam ) == SC_CLOSE ) {
            SetDlgItemText( dlg, IDC_KEYSIGN_PASSPHRASE, "" );
            EndDialog( dlg, TRUE );
        }
        return FALSE;
        
    case WM_COMMAND:
        if( HIWORD( wparam ) == CBN_SELCHANGE ) {
            do_check_protection( dlg );
            break;
        }
        if (HIWORD (wparam) == BN_CLICKED && LOWORD (wparam) == IDC_KEYSIGN_EXPSIG) {
            enable ^= 1;
            EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), enable? TRUE : FALSE);
        }

        switch( LOWORD( wparam ) ) {
        case IDOK:
            dialog_box_param( glob_hinst, (LPCSTR)IDD_WINPT_SIGCLASS, dlg, 
                                sig_class_dlg_proc, NULL,
                                _("Choose Signature Class"),  IDS_WINPT_SIGCLASS );
            type = IsDlgButtonChecked (dlg, IDC_KEYSIGN_LOCAL);
            if (type)
                type = GPGME_EDITKEY_LSIGN;
            else
                type = GPGME_EDITKEY_SIGN;

            if (reg_prefs.expert && IsDlgButtonChecked (dlg, IDC_KEYSIGN_NREV))
            {
                type = GPGME_EDITKEY_NRSIGN;
                if (type == GPGME_EDITKEY_LSIGN)
                    type = GPGME_EDITKEY_NRLSIGN;
            }
            if (IsDlgButtonChecked (dlg, IDC_KEYSIGN_EXPSIG)) {
                expires = 1;
                DateTime_GetSystemtime (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), &st);
                sprintf (keymsg, "%04d-%02d-%02d", st.wYear, st.wMonth, st.wDay);
            }

            GetDlgItemText( dlg, IDC_KEYSIGN_PASSPHRASE, pwd, sizeof pwd - 1 );
            keyid = gpgme_key_get_string_attr( key, GPGME_ATTR_KEYID, NULL, 0 );
            if( !keyid ) {
                msg_box( dlg, _("Could not get Key ID from key."), _("Key Signing"), MB_ERR );
                return FALSE;
            }
            err = gpgme_new( &ctx );
            if (err)
                BUG (0);
            do_add_local_user (ctx, dlg);

            err = gpgme_editkey_new (&ke);
            if (err)
                BUG (0);
            err = gpgme_editkey_sign_set (ke, pwd, sig_class_choice, type, 
                                          expires? keymsg : NULL);
            if (err) {
                msg_box (dlg, gpgme_strerror (err), _("Key Signing"), MB_ERR);
                gpgme_release (ctx);
                gpgme_editkey_release (ke);
                return FALSE;
            }
                
            gpgme_set_edit_ctx (ctx, ke, type);
            
            err = gpgme_op_editkey( ctx, keyid );
            memset( &pwd, 0, sizeof pwd );
            if (err == GPGME_Conflict)
                Sleep (500); /* it seems the process is not really finished */
            gpgme_release( ctx );
            gpgme_editkey_release( ke );
            if( err ) {
                if( err == GPGME_Conflict )
                    msg_box( dlg, _("Key is already signed by your key."), _("Key Signing"), MB_INFO );
                else if( err == GPGME_Invalid_Mode )
                    msg_box( dlg, _("Unusable secret key."), _("Key Signing"), MB_ERR );
                else
                    msg_box( dlg, gpgme_strerror( err ), _("Key Signing"), MB_ERR );
            }
            else {
                status_box (dlg, _("Key successfully signed."), PGM_NAME);
                keycache_set_reload (1);
                EndDialog (dlg, TRUE);
            }
            return TRUE;
            
        case IDCANCEL:
            EndDialog( dlg, FALSE );
            return FALSE;
        }
        break;
    }
    
    return FALSE;
} /* keysign_dlg_proc */
1	twoaday	2	/* wptKeysignDlg.cpp - Key signing dialog
2	twoaday	13	* Copyright (C) 2001-2005 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			#include <commctrl.h>
23
24			#include "../resource.h"
25			#include "wptGPG.h"
26			#include "wptNLS.h"
27			#include "wptW32API.h"
28			#include "wptVersion.h"
29			#include "wptTypes.h"
30			#include "wptErrors.h"
31			#include "wptCommonCtl.h"
32			#include "wptContext.h"
33			#include "wptDlgs.h"
34			#include "wptUTF8.h"
35			#include "wptRegistry.h"
36
37			static int sig_class_choice = 0;
38
39			static const char *
40			get_printable_fpr (const char * fpr)
41			{
42			static char pfpr[64];
43			int pos = 0;
44			size_t i;
45
46	twoaday	13	for( i = 0; i < strlen (fpr); i += 4 ) {
47	twoaday	2	pfpr[pos++] = fpr[i];
48			pfpr[pos++] = fpr[i+1];
49			pfpr[pos++] = fpr[i+2];
50			pfpr[pos++] = fpr[i+3];
51			pfpr[pos++] = ' ';
52			}
53			return pfpr;
54			} /* get_printable_fpr */
55
56
57			static const char *
58			get_keyinfo (gpgme_key_t key)
59			{
60			static char buf[64+16];
61
62			_snprintf (buf, DIM (buf)-1-16, "%d-bit %s key, ID %s",
63			gpgme_key_get_ulong_attr (key, GPGME_ATTR_LEN, NULL, 0),
64			gpgme_key_get_string_attr (key, GPGME_ATTR_ALGO, NULL, 0),
65			gpgme_key_get_string_attr (key, GPGME_ATTR_KEYID, NULL, 0) + 8 );
66			if (gpgme_key_get_ulong_attr (key, GPGME_ATTR_DIVERT_CARD, NULL, 0))
67			strcat (buf, " (Card)");
68			return buf;
69			} /* get_keyinfo */
70
71
72			static int
73			do_fill_seckeylist (HWND dlg, const char * keyid)
74			{
75			gpgme_keycache_t sec;
76			gpgme_key_t pk;
77			const char * s;
78			char * uid, * p;
79			int i = 0, n=0;
80
81			sec = keycache_get_ctx (0);
82			if (!sec)
83			BUG (0);
84			gpgme_keycache_rewind (sec);
85			while (!gpgme_keycache_next_key (sec, 1, &pk))
86			{
87	twoaday	5	if (!pk)
88			continue;
89	twoaday	2	s = gpgme_key_get_string_attr (pk, GPGME_ATTR_KEYID, NULL, 0);
90			if (!strcmp (s, keyid))
91			continue;
92			/* skip all ElGamal sign+encrypt keys */
93			if( gpgme_key_get_ulong_attr( pk, GPGME_ATTR_ALGO, NULL, 0 )
94			== GPGME_PK_ELG_ES )
95			continue;
96			/* make sure the public key is okay not: revoked, expired or disabled. */
97			if( gpgme_key_get_ulong_attr (pk, GPGME_ATTR_EXPIRE, NULL, 0)
98			\|\| gpgme_key_get_ulong_attr (pk, GPGME_ATTR_KEY_REVOKED, NULL, 0)
99			\|\| gpgme_key_get_ulong_attr (pk, GPGME_ATTR_KEY_DISABLED, NULL, 0))
100			continue;
101			s = gpgme_key_get_string_attr (pk, GPGME_ATTR_NAME, NULL, 0);
102			if( !s )
103			continue;
104			uid = utf8_to_wincp (s, strlen (s));
105			p = new char[strlen( uid ) + 64];
106			if( !p )
107			BUG( NULL );
108			_snprintf (p, strlen (uid) + 63, "%s (%s)", uid, get_keyinfo (pk));
109			SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, CB_ADDSTRING, i, (LPARAM)(char *)p);
110			SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, CB_SETITEMDATA, i++, (LPARAM)(DWORD)pk);
111			free_if_alloc (p);
112			free (uid);
113			n++;
114			}
115			SendDlgItemMessage (dlg, IDC_KEYSIGN_KEYLIST, CB_SETCURSEL, 0, 0);
116			if (!n)
117			return -1;
118			return 0;
119			} /* do_fill_seckeylist */
120
121
122			static void
123	twoaday	13	do_add_local_user (gpgme_ctx_t ctx, HWND dlg)
124	twoaday	2	{
125			int idx;
126			const char * s;
127			gpgme_key_t key;
128
129			idx = SendDlgItemMessage( dlg, IDC_KEYSIGN_KEYLIST, CB_GETCURSEL, 0, 0 );
130			key = (gpgme_key_t)SendDlgItemMessage( dlg, IDC_KEYSIGN_KEYLIST, CB_GETITEMDATA, (WPARAM)idx, 0 );
131			if( key && (s = gpgme_key_get_string_attr( key, GPGME_ATTR_KEYID, NULL, 0 )) )
132			gpgme_set_local_user( ctx, s );
133			} /* do_add_local_user */
134
135
136			static void
137			do_check_protection (HWND dlg)
138			{
139			int idx, protec;
140			gpgme_key_t key;
141
142			idx = SendDlgItemMessage( dlg, IDC_KEYSIGN_KEYLIST, CB_GETCURSEL, 0, 0 );
143			key = (gpgme_key_t)SendDlgItemMessage( dlg, IDC_KEYSIGN_KEYLIST, CB_GETITEMDATA, (WPARAM)idx, 0 );
144			if (key)
145			{
146			protec = gpgme_key_get_ulong_attr (key, GPGME_ATTR_IS_PROTECTED, NULL, 0);
147			if (!protec)
148			protec = gpgme_key_get_ulong_attr (key, GPGME_ATTR_DIVERT_CARD, NULL, 0);
149			EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_PASSPHRASE), protec? TRUE : FALSE);
150			}
151			} /* do_check_protection */
152
153
154			BOOL CALLBACK
155			sig_class_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
156			{
157			switch (msg)
158			{
159			case WM_INITDIALOG:
160			SetWindowText (dlg, _("Choose Signature Class"));
161			SetDlgItemText (dlg, IDC_SIGCLASS_TITLEINF, _("How carefully have you verified the key you are about to sign actually belongs to the person? If you don't know what to anwser, use \"0\"."));
162			SetDlgItemText (dlg, IDC_SIGCLASS_CLASS0, _("(0) I will not answer (default)"));
163			SetDlgItemText (dlg, IDC_SIGCLASS_CLASS1, _("(1) I have not checked at all."));
164			SetDlgItemText (dlg, IDC_SIGCLASS_CLASS2, _("(2) I have done causal checking."));
165			SetDlgItemText (dlg, IDC_SIGCLASS_CLASS3, _("(3) I have done very careful checkings."));
166	twoaday	13	CheckDlgButton (dlg, IDC_SIGCLASS_CLASS0, BST_CHECKED);
167	twoaday	2	SetForegroundWindow (dlg);
168			center_window (dlg);
169			return TRUE;
170
171			case WM_COMMAND:
172			switch( LOWORD( wparam ) ) {
173			case IDOK:
174			if( IsDlgButtonChecked( dlg, IDC_SIGCLASS_CLASS0 ) )
175			sig_class_choice = 0;
176			else if( IsDlgButtonChecked( dlg, IDC_SIGCLASS_CLASS1 ) )
177			sig_class_choice = 1;
178			else if( IsDlgButtonChecked( dlg, IDC_SIGCLASS_CLASS2 ) )
179			sig_class_choice = 2;
180			else if( IsDlgButtonChecked( dlg, IDC_SIGCLASS_CLASS3 ) )
181			sig_class_choice = 3;
182			else
183			sig_class_choice = 0;
184			EndDialog( dlg, TRUE );
185			break;
186			}
187			break;
188			}
189
190			return FALSE;
191			} /* sig_class_dlg_proc */
192
193
194			BOOL CALLBACK
195			keysign_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
196			{
197			static gpgme_key_t key;
198			static int enable=0;
199			gpgme_editkey_t ke;
200			gpgme_ctx_t ctx;
201			gpgme_error_t err;
202			SYSTEMTIME st;
203			HWND h;
204			char keymsg[4096], pwd[256], *uid = NULL;
205			const char keyid, s;
206			u32 created;
207			int type, expires=0;
208
209
210			switch ( msg ) {
211			case WM_INITDIALOG:
212			enable = 0;
213			if( lparam == NULL )
214			dlg_fatal_error( dlg, "Could not get dialog param." );
215			#ifndef LANG_DE
216			SetWindowText( dlg, _("Key Signing") );
217			#endif
218			key = (gpgme_key_t) lparam;
219			created = gpgme_key_get_ulong_attr(key, GPGME_ATTR_CREATED, NULL, 0);
220			s = gpgme_key_get_string_attr( key, GPGME_ATTR_USERID, NULL, 0 );
221			if( s )
222			uid = utf8_to_wincp (s, strlen (s));
223			_snprintf( keymsg, sizeof keymsg -1,
224			_("pub %d/%s created: %s\n\n"
225			"Primary key fingerprint: %s\n\n"
226			"\t%s\n\n"
227			"\nAre you really sure that you want to sign this key with YOUR key?\n"),
228			gpgme_key_get_ulong_attr( key, GPGME_ATTR_LEN, NULL, 0 ),
229			gpgme_key_get_string_attr( key, GPGME_ATTR_KEYID, NULL, 0 )+8,
230			gpgme_key_expand_attr( GPGME_ATTR_CREATED, created ),
231			get_printable_fpr( gpgme_key_get_string_attr( key, GPGME_ATTR_FPR, NULL, 0 ) ),
232			uid );
233			free (uid);
234			s = gpgme_key_get_string_attr (key, GPGME_ATTR_KEYID, NULL, 0);
235			if (do_fill_seckeylist (dlg, s)) {
236			msg_box( dlg, _("No valid secret key found."), _("Key Signing"), MB_ERR );
237			EndDialog( dlg, FALSE );
238			}
239			SetDlgItemText( dlg, IDC_KEYSIGN_INFOS, keymsg );
240			#ifndef LANG_DE
241			SetDlgItemText( dlg, IDC_KEYSIGN_LOCAL, _("Sign local only (non exportable signature)") );
242			SetDlgItemText (dlg, IDC_KEYSIGN_EXPSIG, _("Signature expires on"));
243			SetDlgItemText (dlg, IDC_KEYSIGN_NREV, _("Sign non-revocably"));
244			#endif
245			CheckDlgButton( dlg, IDC_KEYSIGN_LOCAL, BST_CHECKED );
246			CheckDlgButton (dlg, IDC_KEYSIGN_EXPSIG, BST_UNCHECKED);
247			EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), FALSE);
248			if (reg_prefs.expert == 0)
249			ShowWindow (GetDlgItem (dlg, IDC_KEYSIGN_NREV), SW_HIDE);
250			SetForegroundWindow( dlg );
251			h = GetDlgItem( dlg, IDC_KEYSIGN_PASSPHRASE );
252			SetFocus( h );
253			return FALSE;
254
255			case WM_SYSCOMMAND:
256			if( LOWORD( wparam ) == SC_CLOSE ) {
257			SetDlgItemText( dlg, IDC_KEYSIGN_PASSPHRASE, "" );
258			EndDialog( dlg, TRUE );
259			}
260			return FALSE;
261
262			case WM_COMMAND:
263			if( HIWORD( wparam ) == CBN_SELCHANGE ) {
264			do_check_protection( dlg );
265			break;
266			}
267			if (HIWORD (wparam) == BN_CLICKED && LOWORD (wparam) == IDC_KEYSIGN_EXPSIG) {
268			enable ^= 1;
269			EnableWindow (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), enable? TRUE : FALSE);
270			}
271
272			switch( LOWORD( wparam ) ) {
273			case IDOK:
274			dialog_box_param( glob_hinst, (LPCSTR)IDD_WINPT_SIGCLASS, dlg,
275			sig_class_dlg_proc, NULL,
276			_("Choose Signature Class"), IDS_WINPT_SIGCLASS );
277			type = IsDlgButtonChecked (dlg, IDC_KEYSIGN_LOCAL);
278			if (type)
279			type = GPGME_EDITKEY_LSIGN;
280			else
281			type = GPGME_EDITKEY_SIGN;
282
283			if (reg_prefs.expert && IsDlgButtonChecked (dlg, IDC_KEYSIGN_NREV))
284			{
285			type = GPGME_EDITKEY_NRSIGN;
286			if (type == GPGME_EDITKEY_LSIGN)
287			type = GPGME_EDITKEY_NRLSIGN;
288			}
289			if (IsDlgButtonChecked (dlg, IDC_KEYSIGN_EXPSIG)) {
290			expires = 1;
291			DateTime_GetSystemtime (GetDlgItem (dlg, IDC_KEYSIGN_EXPIRES), &st);
292			sprintf (keymsg, "%04d-%02d-%02d", st.wYear, st.wMonth, st.wDay);
293			}
294
295			GetDlgItemText( dlg, IDC_KEYSIGN_PASSPHRASE, pwd, sizeof pwd - 1 );
296			keyid = gpgme_key_get_string_attr( key, GPGME_ATTR_KEYID, NULL, 0 );
297			if( !keyid ) {
298			msg_box( dlg, _("Could not get Key ID from key."), _("Key Signing"), MB_ERR );
299			return FALSE;
300			}
301			err = gpgme_new( &ctx );
302			if (err)
303			BUG (0);
304			do_add_local_user (ctx, dlg);
305
306			err = gpgme_editkey_new (&ke);
307			if (err)
308			BUG (0);
309			err = gpgme_editkey_sign_set (ke, pwd, sig_class_choice, type,
310			expires? keymsg : NULL);
311			if (err) {
312			msg_box (dlg, gpgme_strerror (err), _("Key Signing"), MB_ERR);
313			gpgme_release (ctx);
314			gpgme_editkey_release (ke);
315			return FALSE;
316			}
317
318			gpgme_set_edit_ctx (ctx, ke, type);
319
320			err = gpgme_op_editkey( ctx, keyid );
321			memset( &pwd, 0, sizeof pwd );
322			if (err == GPGME_Conflict)
323			Sleep (500); /* it seems the process is not really finished */
324			gpgme_release( ctx );
325			gpgme_editkey_release( ke );
326			if( err ) {
327			if( err == GPGME_Conflict )
328			msg_box( dlg, _("Key is already signed by your key."), _("Key Signing"), MB_INFO );
329			else if( err == GPGME_Invalid_Mode )
330			msg_box( dlg, _("Unusable secret key."), _("Key Signing"), MB_ERR );
331			else
332			msg_box( dlg, gpgme_strerror( err ), _("Key Signing"), MB_ERR );
333			}
334			else {
335			status_box (dlg, _("Key successfully signed."), PGM_NAME);
336			keycache_set_reload (1);
337			EndDialog (dlg, TRUE);
338			}
339			return TRUE;
340
341			case IDCANCEL:
342			EndDialog( dlg, FALSE );
343			return FALSE;
344			}
345			break;
346			}
347
348			return FALSE;
349			} /* keysign_dlg_proc */