trunk/Src/wptGPGPrefsDlg.cpp

/* wptGPGPrefsDlg.cpp - GnuPG Preferences
 *      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
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <windows.h>

#include "resource.h"
#include "wptNLS.h"
#include "wptTypes.h"
#include "wptErrors.h"
#include "wptGPG.h"
#include "wptRegistry.h"
#include "wptCommonCtl.h"
#include "wptW32API.h"


/* Load the GPG4WIN default values and disabled the
   dialog items to indicate these are fixed values.
   Return value: true if GPG4win was found. */
static bool
load_gpg4win_values (HWND dlg)
{
    char *path;
    char *p;

    path = get_reg_entry_gpg4win (NULL);
    if (!path)
        return false;
    p = make_filename (path, "gpg", "exe");
    if (p) {
        if (file_exist_check (p) == 0) {
            SetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR, p);
            EnableWindow (GetDlgItem (dlg, IDC_GPGPREFS_EXEDIR), FALSE);
            EnableWindow (GetDlgItem (dlg, IDC_GPGREFS_EXEDLG), FALSE);
        }
        free_if_alloc (p);
    }

    p = get_reg_entry_mo ();
    if (p) {
        if (dir_exist_check (p) == 0) {
            SetDlgItemText (dlg, IDC_GPGPREFS_LOCALE, p);
            EnableWindow (GetDlgItem (dlg, IDC_GPGPREFS_LOCALE), FALSE);
            EnableWindow (GetDlgItem (dlg, IDC_GPGPREFS_LOCDLG), FALSE);
        }
        free_if_alloc (p);
    }

    p = multi_gnupg_path (1);
    if (p) {
        SetDlgItemText (dlg, IDC_GPGPREFS_HOMEDIR, p);
        EnableWindow (GetDlgItem (dlg, IDC_GPGPREFS_HOMEDIR), FALSE);
        EnableWindow (GetDlgItem (dlg, IDC_GPGPREFS_HOMEDLG), FALSE);
        free_if_alloc (p);
    }

    return true;
}


/* Load the GPG values direct from the registry. */
static void
load_registry_values (HWND dlg)
{
    char *p;

    p = get_reg_entry_gpg ("HomeDir");
    if (p) {
        SetDlgItemText (dlg, IDC_GPGPREFS_HOMEDIR, p);
        free_if_alloc (p);      
    }
    p = get_reg_entry_gpg ("gpgProgram");
    if (p) {
        SetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR, p);
        free_if_alloc (p);      
    }
    p = get_reg_entry_mo ();
    if (p) {
        SetDlgItemText (dlg, IDC_GPGPREFS_LOCALE, p);
        free_if_alloc (p);        
    }
    if (!item_get_text_length (dlg, IDC_GPGPREFS_HOMEDIR)) {
        p = multi_gnupg_path (0);
        if (p && dir_exist_check (p) == 0)
            SetDlgItemText (dlg, IDC_GPGPREFS_HOMEDIR, p);
        free_if_alloc (p);
    }
}


/* Dialog box procedure for the GPG preferences. */
BOOL CALLBACK
gpgprefs_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
    static int gpg4win = false;
    char exedir[512];
    char homedir[512];
    char locale_dir[512];
    char *p = NULL, t[256];
    const char *s;
    const char *folder;
    gpg_optfile_t opt = NULL;
    gpg_option_t e;
    UINT n;
    
    switch (msg) {
    case WM_INITDIALOG:
        SetWindowText (dlg, _("GnuPG Preferences"));
        SetDlgItemText (dlg, IDC_GPGPREFS_HOMEINF,
                       _("GnuPG home directory  (where both keyrings are located)"));
        SetDlgItemText ( dlg, IDC_GPGPREFS_EXEINF,
                        _("GnuPG exe file location (full path with added gpg.exe)"));
        SetDlgItemText ( dlg, IDC_GPGPREFS_LOCALINF,
                        _("Locale directory (to access the translation files)"));
        SetDlgItemText (dlg, IDC_GPGPREFS_ASKLEVEL, _("Ask for the signature class during key sign"));
        SetDlgItemText (dlg, IDC_GPGPREFS_CMTINF, _("Comment in armored files"));
        SetDlgItemText (dlg, IDC_GPGPREFS_ENCINF, _("Encrypt to this key"));
        SetDlgItemText (dlg, IDC_GPGPREFS_ALLOPTINF, _("General GPG options"));

        gpg4win = load_gpg4win_values (dlg);
        if (!gpg4win)
            load_registry_values (dlg);

        p = get_gnupg_cfgfile ();
        if (p) {
            parse_gpg_options (p, &opt);
            free_if_alloc (p);
            if (opt) {
                if (find_option (opt, "ask-cert-level"))
                    CheckDlgButton (dlg, IDC_GPGPREFS_ASKLEVEL, BST_CHECKED);
                if ((e=find_option (opt, "comment")))
                SetDlgItemText (dlg, IDC_GPGPREFS_COMMENT, e->val);
                if ((e=find_option (opt, "encrypt-to")))
                    SetDlgItemText (dlg, IDC_GPGPREFS_ENCTO, e->val);
                release_gpg_options (opt);
            }
        }

        center_window (dlg, NULL);
        SetForegroundWindow (dlg);
        return TRUE;

    case WM_DESTROY:
        gpg4win = false;
        break;

    case WM_SYSCOMMAND:
        if (LOWORD (wparam) == SC_CLOSE)
            EndDialog (dlg, TRUE);
        return FALSE;
        
    case WM_COMMAND:
        switch (LOWORD (wparam)) {
        case IDC_GPGPREFS_SAVE:
            if (!GetDlgItemText (dlg, IDC_GPGPREFS_HOMEDIR, 
                                 homedir, sizeof (homedir) -1)) {
                msg_box (dlg, _("Please enter the GnuPG home directory."), 
                         _("Preferences"), MB_ERR);
                return FALSE;
            }
            if (dir_exist_check (homedir)) {
                _snprintf (t, sizeof (t) - 1, "%s: %s", homedir, 
                           winpt_strerror (WPTERR_DIR_OPEN));
                msg_box (dlg, t, _("Preferences"), MB_ERR);
                return FALSE;
            }
            
            if (!gpg4win && set_reg_entry_gpg ("HomeDir", homedir)) {
                msg_box (dlg, _("Could not save 'HomeDir' in the registry."), 
                         _("Preferences"), MB_ERR);
                return FALSE;
            }
            if( !GetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR, 
                                 exedir, sizeof (exedir) -1)) {
                msg_box (dlg, _("Please enter where GPG.exe is located."), 
                         _("Preferences"), MB_ERR);
                return FALSE;
            }
            if (file_exist_check (exedir)) {
                msg_box (dlg, _("Could not find the GPG program in this directory."), 
                         _("Preferences"), MB_ERR);
                return FALSE;
            }
            if (!gpg4win && set_reg_entry_gpg ("gpgProgram", exedir)) {
                msg_box (dlg, _("Could not save 'gpgProgram' in the registry"), 
                         _("Preferences"), MB_ERR);
                return FALSE;
            }
            if (GetDlgItemText (dlg, IDC_GPGPREFS_LOCALE, locale_dir, sizeof (locale_dir) -1)) {
                if (dir_exist_check (locale_dir)) {
                    log_box ( _("Preferences"), MB_ERR, "%s: %s", locale_dir, 
                             winpt_strerror (WPTERR_DIR_OPEN));
                    return FALSE;
                }
                if (!gpg4win)
                    set_reg_entry_mo (locale_dir);
                set_gettext_file ("winpt", locale_dir);
            }
            else if (!gpg4win)
                set_reg_entry_mo ("");

            p = get_gnupg_cfgfile ();
            if (!p) {
                msg_box (dlg, _("Could not get GPG config file"), 
                         _("Preferences"), MB_ERR);
                EndDialog (dlg, FALSE);
            }
            parse_gpg_options (p, &opt);

            if( IsDlgButtonChecked( dlg, IDC_GPGPREFS_ASKLEVEL ) ) {
                modify_entry( opt, ENTRY_SINGLE, "ask-cert-level", NULL );
                reg_prefs.gpg.ask_cert_level = 1;
            }
            else {
                delete_option (opt, "ask-cert-level");
                reg_prefs.gpg.ask_cert_level = 0;
            }

            if( (n = GetDlgItemText(dlg, IDC_GPGPREFS_COMMENT, t, sizeof t - 1 ) ))
                modify_entry( opt, ENTRY_MULTI, "comment", t );
            else if( n == 0 )
                modify_entry( opt, ENTRY_MULTI, "comment", "\"\"" );
            else
                delete_option( opt, "comment" );

            if( (n=GetDlgItemText( dlg, IDC_GPGPREFS_ENCTO, t, sizeof t -1 ) ) )
                modify_entry( opt, ENTRY_MULTI, "encrypt-to", t );
            else
                delete_option( opt, "encrypt-to" );

            commit_gpg_options (p, opt);
            release_gpg_options (opt);
            EndDialog (dlg, TRUE);
            return TRUE;
            
        case IDC_GPGPREFS_HOMEDLG:
            folder = get_folder_dlg (dlg, _("Choose GPG home directory"), NULL);
            if (folder) {
                char *name;

                SetDlgItemText (dlg, IDC_GPGPREFS_HOMEDIR, folder);
                if (GetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR, exedir, DIM (exedir)-1) > 0)
                    break;
                name = make_filename (folder, "gpg", "exe");
                if (file_exist_check (name) == 0)
                    SetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR, name);
                free_if_alloc (name);
                name = make_filename (folder, "gpg", "conf");
                if (file_exist_check (name) == 0)
                    SetDlgItemText (dlg, IDC_GPGPREFS_OPTFILE, name);
                free_if_alloc (name);
            }
            return TRUE;

        case IDC_GPGPREFS_LOCDLG:
            folder = get_folder_dlg (dlg, _("Choose locale directory"), NULL);
            if (folder)
                SetDlgItemText (dlg, IDC_GPGPREFS_LOCALE, folder);
            return TRUE;
            
        case IDC_GPGREFS_EXEDLG:
            s = get_fileopen_dlg (dlg, _("Choose GPG binary"), 
                                  _("Executable Files (*.exe)\0*.exe\0\0"),
                                  NULL);
            if (s)
                SetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR, s);
            return TRUE;
            
        case IDCANCEL:
            EndDialog (dlg, FALSE);
            return TRUE;
        }
        break;
    }
    
    return FALSE;
}
1	/* wptGPGPrefsDlg.cpp - GnuPG Preferences
2	* Copyright (C) 2001-2005 Timo Schulz
3	*
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	#ifdef HAVE_CONFIG_H
22	#include <config.h>
23	#endif
24
25	#include <windows.h>
26
27	#include "resource.h"
28	#include "wptNLS.h"
29	#include "wptTypes.h"
30	#include "wptErrors.h"
31	#include "wptGPG.h"
32	#include "wptRegistry.h"
33	#include "wptCommonCtl.h"
34	#include "wptW32API.h"
35
36
37	/* Load the GPG4WIN default values and disabled the
38	dialog items to indicate these are fixed values.
39	Return value: true if GPG4win was found. */
40	static bool
41	load_gpg4win_values (HWND dlg)
42	{
43	char *path;
44	char *p;
45
46	path = get_reg_entry_gpg4win (NULL);
47	if (!path)
48	return false;
49	p = make_filename (path, "gpg", "exe");
50	if (p) {
51	if (file_exist_check (p) == 0) {
52	SetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR, p);
53	EnableWindow (GetDlgItem (dlg, IDC_GPGPREFS_EXEDIR), FALSE);
54	EnableWindow (GetDlgItem (dlg, IDC_GPGREFS_EXEDLG), FALSE);
55	}
56	free_if_alloc (p);
57	}
58
59	p = get_reg_entry_mo ();
60	if (p) {
61	if (dir_exist_check (p) == 0) {
62	SetDlgItemText (dlg, IDC_GPGPREFS_LOCALE, p);
63	EnableWindow (GetDlgItem (dlg, IDC_GPGPREFS_LOCALE), FALSE);
64	EnableWindow (GetDlgItem (dlg, IDC_GPGPREFS_LOCDLG), FALSE);
65	}
66	free_if_alloc (p);
67	}
68
69	p = multi_gnupg_path (1);
70	if (p) {
71	SetDlgItemText (dlg, IDC_GPGPREFS_HOMEDIR, p);
72	EnableWindow (GetDlgItem (dlg, IDC_GPGPREFS_HOMEDIR), FALSE);
73	EnableWindow (GetDlgItem (dlg, IDC_GPGPREFS_HOMEDLG), FALSE);
74	free_if_alloc (p);
75	}
76
77	return true;
78	}
79
80
81	/* Load the GPG values direct from the registry. */
82	static void
83	load_registry_values (HWND dlg)
84	{
85	char *p;
86
87	p = get_reg_entry_gpg ("HomeDir");
88	if (p) {
89	SetDlgItemText (dlg, IDC_GPGPREFS_HOMEDIR, p);
90	free_if_alloc (p);
91	}
92	p = get_reg_entry_gpg ("gpgProgram");
93	if (p) {
94	SetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR, p);
95	free_if_alloc (p);
96	}
97	p = get_reg_entry_mo ();
98	if (p) {
99	SetDlgItemText (dlg, IDC_GPGPREFS_LOCALE, p);
100	free_if_alloc (p);
101	}
102	if (!item_get_text_length (dlg, IDC_GPGPREFS_HOMEDIR)) {
103	p = multi_gnupg_path (0);
104	if (p && dir_exist_check (p) == 0)
105	SetDlgItemText (dlg, IDC_GPGPREFS_HOMEDIR, p);
106	free_if_alloc (p);
107	}
108	}
109
110
111	/* Dialog box procedure for the GPG preferences. */
112	BOOL CALLBACK
113	gpgprefs_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
114	{
115	static int gpg4win = false;
116	char exedir[512];
117	char homedir[512];
118	char locale_dir[512];
119	char *p = NULL, t[256];
120	const char *s;
121	const char *folder;
122	gpg_optfile_t opt = NULL;
123	gpg_option_t e;
124	UINT n;
125
126	switch (msg) {
127	case WM_INITDIALOG:
128	SetWindowText (dlg, _("GnuPG Preferences"));
129	SetDlgItemText (dlg, IDC_GPGPREFS_HOMEINF,
130	_("GnuPG home directory (where both keyrings are located)"));
131	SetDlgItemText ( dlg, IDC_GPGPREFS_EXEINF,
132	_("GnuPG exe file location (full path with added gpg.exe)"));
133	SetDlgItemText ( dlg, IDC_GPGPREFS_LOCALINF,
134	_("Locale directory (to access the translation files)"));
135	SetDlgItemText (dlg, IDC_GPGPREFS_ASKLEVEL, _("Ask for the signature class during key sign"));
136	SetDlgItemText (dlg, IDC_GPGPREFS_CMTINF, _("Comment in armored files"));
137	SetDlgItemText (dlg, IDC_GPGPREFS_ENCINF, _("Encrypt to this key"));
138	SetDlgItemText (dlg, IDC_GPGPREFS_ALLOPTINF, _("General GPG options"));
139
140	gpg4win = load_gpg4win_values (dlg);
141	if (!gpg4win)
142	load_registry_values (dlg);
143
144	p = get_gnupg_cfgfile ();
145	if (p) {
146	parse_gpg_options (p, &opt);
147	free_if_alloc (p);
148	if (opt) {
149	if (find_option (opt, "ask-cert-level"))
150	CheckDlgButton (dlg, IDC_GPGPREFS_ASKLEVEL, BST_CHECKED);
151	if ((e=find_option (opt, "comment")))
152	SetDlgItemText (dlg, IDC_GPGPREFS_COMMENT, e->val);
153	if ((e=find_option (opt, "encrypt-to")))
154	SetDlgItemText (dlg, IDC_GPGPREFS_ENCTO, e->val);
155	release_gpg_options (opt);
156	}
157	}
158
159	center_window (dlg, NULL);
160	SetForegroundWindow (dlg);
161	return TRUE;
162
163	case WM_DESTROY:
164	gpg4win = false;
165	break;
166
167	case WM_SYSCOMMAND:
168	if (LOWORD (wparam) == SC_CLOSE)
169	EndDialog (dlg, TRUE);
170	return FALSE;
171
172	case WM_COMMAND:
173	switch (LOWORD (wparam)) {
174	case IDC_GPGPREFS_SAVE:
175	if (!GetDlgItemText (dlg, IDC_GPGPREFS_HOMEDIR,
176	homedir, sizeof (homedir) -1)) {
177	msg_box (dlg, _("Please enter the GnuPG home directory."),
178	_("Preferences"), MB_ERR);
179	return FALSE;
180	}
181	if (dir_exist_check (homedir)) {
182	_snprintf (t, sizeof (t) - 1, "%s: %s", homedir,
183	winpt_strerror (WPTERR_DIR_OPEN));
184	msg_box (dlg, t, _("Preferences"), MB_ERR);
185	return FALSE;
186	}
187
188	if (!gpg4win && set_reg_entry_gpg ("HomeDir", homedir)) {
189	msg_box (dlg, _("Could not save 'HomeDir' in the registry."),
190	_("Preferences"), MB_ERR);
191	return FALSE;
192	}
193	if( !GetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR,
194	exedir, sizeof (exedir) -1)) {
195	msg_box (dlg, _("Please enter where GPG.exe is located."),
196	_("Preferences"), MB_ERR);
197	return FALSE;
198	}
199	if (file_exist_check (exedir)) {
200	msg_box (dlg, _("Could not find the GPG program in this directory."),
201	_("Preferences"), MB_ERR);
202	return FALSE;
203	}
204	if (!gpg4win && set_reg_entry_gpg ("gpgProgram", exedir)) {
205	msg_box (dlg, _("Could not save 'gpgProgram' in the registry"),
206	_("Preferences"), MB_ERR);
207	return FALSE;
208	}
209	if (GetDlgItemText (dlg, IDC_GPGPREFS_LOCALE, locale_dir, sizeof (locale_dir) -1)) {
210	if (dir_exist_check (locale_dir)) {
211	log_box ( _("Preferences"), MB_ERR, "%s: %s", locale_dir,
212	winpt_strerror (WPTERR_DIR_OPEN));
213	return FALSE;
214	}
215	if (!gpg4win)
216	set_reg_entry_mo (locale_dir);
217	set_gettext_file ("winpt", locale_dir);
218	}
219	else if (!gpg4win)
220	set_reg_entry_mo ("");
221
222	p = get_gnupg_cfgfile ();
223	if (!p) {
224	msg_box (dlg, _("Could not get GPG config file"),
225	_("Preferences"), MB_ERR);
226	EndDialog (dlg, FALSE);
227	}
228	parse_gpg_options (p, &opt);
229
230	if( IsDlgButtonChecked( dlg, IDC_GPGPREFS_ASKLEVEL ) ) {
231	modify_entry( opt, ENTRY_SINGLE, "ask-cert-level", NULL );
232	reg_prefs.gpg.ask_cert_level = 1;
233	}
234	else {
235	delete_option (opt, "ask-cert-level");
236	reg_prefs.gpg.ask_cert_level = 0;
237	}
238
239	if( (n = GetDlgItemText(dlg, IDC_GPGPREFS_COMMENT, t, sizeof t - 1 ) ))
240	modify_entry( opt, ENTRY_MULTI, "comment", t );
241	else if( n == 0 )
242	modify_entry( opt, ENTRY_MULTI, "comment", "\"\"" );
243	else
244	delete_option( opt, "comment" );
245
246	if( (n=GetDlgItemText( dlg, IDC_GPGPREFS_ENCTO, t, sizeof t -1 ) ) )
247	modify_entry( opt, ENTRY_MULTI, "encrypt-to", t );
248	else
249	delete_option( opt, "encrypt-to" );
250
251	commit_gpg_options (p, opt);
252	release_gpg_options (opt);
253	EndDialog (dlg, TRUE);
254	return TRUE;
255
256	case IDC_GPGPREFS_HOMEDLG:
257	folder = get_folder_dlg (dlg, _("Choose GPG home directory"), NULL);
258	if (folder) {
259	char *name;
260
261	SetDlgItemText (dlg, IDC_GPGPREFS_HOMEDIR, folder);
262	if (GetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR, exedir, DIM (exedir)-1) > 0)
263	break;
264	name = make_filename (folder, "gpg", "exe");
265	if (file_exist_check (name) == 0)
266	SetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR, name);
267	free_if_alloc (name);
268	name = make_filename (folder, "gpg", "conf");
269	if (file_exist_check (name) == 0)
270	SetDlgItemText (dlg, IDC_GPGPREFS_OPTFILE, name);
271	free_if_alloc (name);
272	}
273	return TRUE;
274
275	case IDC_GPGPREFS_LOCDLG:
276	folder = get_folder_dlg (dlg, _("Choose locale directory"), NULL);
277	if (folder)
278	SetDlgItemText (dlg, IDC_GPGPREFS_LOCALE, folder);
279	return TRUE;
280
281	case IDC_GPGREFS_EXEDLG:
282	s = get_fileopen_dlg (dlg, _("Choose GPG binary"),
283	_("Executable Files (.exe)\0.exe\0\0"),
284	NULL);
285	if (s)
286	SetDlgItemText (dlg, IDC_GPGPREFS_EXEDIR, s);
287	return TRUE;
288
289	case IDCANCEL:
290	EndDialog (dlg, FALSE);
291	return TRUE;
292	}
293	break;
294	}
295
296	return FALSE;
297	}