trunk/Src/wptPassphraseDlg.cpp

/* wptPassphraseDlg.cpp - Dialog to get the passphrase
 *      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 "../resource.h"
#include "wptGPG.h"
#include "wptCommonCtl.h"
#include "wptContext.h"
#include "wptDlgs.h"
#include "wptNLS.h"
#include "wptW32API.h"
#include "wptUTF8.h"
#include "wptVersion.h"
#include "wptTypes.h"


struct passphrase_s {
    char * title;
    char pwd[256];
    int repeat;
    int cancel;
};


static BOOL CALLBACK
passwd_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
    static passphrase_s * pwd;
    static int hide = 1;
    int nbytes;
    
    switch (msg) {
    case WM_INITDIALOG:
        hide = 1;
        pwd = (passphrase_s *)lparam;
        if (pwd == NULL)
            dlg_fatal_error (dlg, "Could not get dialog param!");
#ifndef LANG_DE
        SetWindowText (dlg, _("Passphrase Dialog"));
#endif
        CheckDlgButton (dlg, IDC_PASSWD_HIDE, BST_CHECKED);
        if (pwd->title)
            SetWindowText (dlg, pwd->title);
        if (pwd->repeat)
            SetDlgItemText (dlg, IDC_PASSWD_INFO, _("Repeat Passphrase"));
        else
            SetDlgItemText (dlg, IDC_PASSWD_INFO, _("Enter Passphrase"));
        SetFocus (GetDlgItem (dlg, IDC_PASSWD_PWD ));
        center_window2 (dlg, HWND_TOPMOST);
        center_window (dlg);
        SetForegroundWindow (dlg);
        return FALSE;
        
    case WM_COMMAND:
        if( HIWORD( wparam ) == BN_CLICKED && LOWORD( wparam ) == IDC_PASSWD_HIDE ) {
            HWND hwnd = GetDlgItem( dlg, IDC_PASSWD_PWD );
            hide ^= 1;
            SendMessage( hwnd, EM_SETPASSWORDCHAR, hide? '*' : 0, 0 );
            SetFocus( hwnd );
        }

        switch( LOWORD( wparam ) ) {
        case IDOK:
            pwd->cancel = 0;
            nbytes = GetDlgItemText( dlg, IDC_PASSWD_PWD, pwd->pwd, sizeof pwd->pwd -1 );
            if( !nbytes )
                strcpy( pwd->pwd, "" );
            SetDlgItemText( dlg, IDC_PASSWD_PWD, "" );
            EndDialog( dlg, TRUE );
            return TRUE;
            
        case IDCANCEL:
            pwd->cancel = 1;
            EndDialog( dlg, FALSE );
            return FALSE;
        }
        break;
    }
    
    return FALSE;
} /* passwd_dlg_proc */


char *
request_passphrase (const char * title, int init, int * ret_cancel)
{
    passphrase_s pass;
    char * p;

    memset (&pass, 0, sizeof pass);
    if (title && *title) {
        pass.title = m_strdup (title);
        if (!pass.title)
            BUG (0);
    }
    pass.repeat = init == 0? 1: 0;
    DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_PASSWD, glob_hwnd,
                    passwd_dlg_proc, (LPARAM)&pass);
    if (pass.cancel == 1) {
        *ret_cancel = 1;
        return NULL;
    }
    p = m_strdup (pass.pwd);
    if (!p)
        BUG (0);
    free_if_alloc (pass.title);
    memset (&pass, 0, sizeof pass);
    return p;
} /* request_passphrase */


char *
request_passphrase2 (const char * title, int * ret_cancel)
{
    char * pass1, * pass2;
    int equal = 0, cancel = 0;

    *ret_cancel = 1;
    while (!equal) {
        pass1 = request_passphrase (title, 1, &cancel);
        if (cancel)
            return NULL;
        pass2 = request_passphrase (title, 0, &cancel);
        if (cancel) {
            sfree_if_alloc (pass1);
            return NULL;
        }

        if (strcmp (pass1, pass2)) {
            msg_box (NULL, _("Passphrases do not match. Please try again."),
                     title, MB_INFO);
            sfree_if_alloc (pass1);
            sfree_if_alloc (pass2);
        }
        else {
            if (is_8bit_string (pass1)) {
                msg_box (NULL, _("The passphrase contains 8-bit characters.\n"
                                 "It is not suggested to use charset specific characters."),
                         title, MB_ERR);
                equal = 0;
                sfree_if_alloc (pass1);
                sfree_if_alloc (pass2);
            }
            else
                equal = 1;
        }
    }
    sfree_if_alloc (pass2);
    *ret_cancel = 0;
    return pass1;
}
1	twoaday	2	/* wptPassphraseDlg.cpp - Dialog to get the passphrase
2	twoaday	4	* 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
23			#include "../resource.h"
24			#include "wptGPG.h"
25			#include "wptCommonCtl.h"
26			#include "wptContext.h"
27			#include "wptDlgs.h"
28			#include "wptNLS.h"
29			#include "wptW32API.h"
30			#include "wptUTF8.h"
31			#include "wptVersion.h"
32			#include "wptTypes.h"
33
34
35			struct passphrase_s {
36			char * title;
37			char pwd[256];
38			int repeat;
39			int cancel;
40			};
41
42
43			static BOOL CALLBACK
44	twoaday	4	passwd_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
45	twoaday	2	{
46			static passphrase_s * pwd;
47			static int hide = 1;
48			int nbytes;
49
50	twoaday	4	switch (msg) {
51	twoaday	2	case WM_INITDIALOG:
52			hide = 1;
53			pwd = (passphrase_s *)lparam;
54	twoaday	4	if (pwd == NULL)
55			dlg_fatal_error (dlg, "Could not get dialog param!");
56	twoaday	2	#ifndef LANG_DE
57	twoaday	4	SetWindowText (dlg, _("Passphrase Dialog"));
58	twoaday	2	#endif
59	twoaday	4	CheckDlgButton (dlg, IDC_PASSWD_HIDE, BST_CHECKED);
60			if (pwd->title)
61			SetWindowText (dlg, pwd->title);
62	twoaday	2	if (pwd->repeat)
63			SetDlgItemText (dlg, IDC_PASSWD_INFO, _("Repeat Passphrase"));
64			else
65			SetDlgItemText (dlg, IDC_PASSWD_INFO, _("Enter Passphrase"));
66	twoaday	4	SetFocus (GetDlgItem (dlg, IDC_PASSWD_PWD ));
67			center_window2 (dlg, HWND_TOPMOST);
68			center_window (dlg);
69			SetForegroundWindow (dlg);
70	twoaday	2	return FALSE;
71
72			case WM_COMMAND:
73			if( HIWORD( wparam ) == BN_CLICKED && LOWORD( wparam ) == IDC_PASSWD_HIDE ) {
74			HWND hwnd = GetDlgItem( dlg, IDC_PASSWD_PWD );
75			hide ^= 1;
76			SendMessage( hwnd, EM_SETPASSWORDCHAR, hide? '*' : 0, 0 );
77			SetFocus( hwnd );
78			}
79
80			switch( LOWORD( wparam ) ) {
81			case IDOK:
82			pwd->cancel = 0;
83			nbytes = GetDlgItemText( dlg, IDC_PASSWD_PWD, pwd->pwd, sizeof pwd->pwd -1 );
84			if( !nbytes )
85			strcpy( pwd->pwd, "" );
86			SetDlgItemText( dlg, IDC_PASSWD_PWD, "" );
87			EndDialog( dlg, TRUE );
88			return TRUE;
89
90			case IDCANCEL:
91			pwd->cancel = 1;
92			EndDialog( dlg, FALSE );
93			return FALSE;
94			}
95			break;
96			}
97
98			return FALSE;
99			} /* passwd_dlg_proc */
100
101
102			char *
103			request_passphrase (const char * title, int init, int * ret_cancel)
104			{
105			passphrase_s pass;
106			char * p;
107
108			memset (&pass, 0, sizeof pass);
109			if (title && *title) {
110			pass.title = m_strdup (title);
111			if (!pass.title)
112			BUG (0);
113			}
114			pass.repeat = init == 0? 1: 0;
115			DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_PASSWD, glob_hwnd,
116			passwd_dlg_proc, (LPARAM)&pass);
117			if (pass.cancel == 1) {
118			*ret_cancel = 1;
119			return NULL;
120			}
121			p = m_strdup (pass.pwd);
122			if (!p)
123			BUG (0);
124			free_if_alloc (pass.title);
125			memset (&pass, 0, sizeof pass);
126			return p;
127			} /* request_passphrase */
128
129
130			char *
131			request_passphrase2 (const char * title, int * ret_cancel)
132			{
133			char * pass1, * pass2;
134			int equal = 0, cancel = 0;
135
136			*ret_cancel = 1;
137			while (!equal) {
138			pass1 = request_passphrase (title, 1, &cancel);
139			if (cancel)
140			return NULL;
141			pass2 = request_passphrase (title, 0, &cancel);
142			if (cancel) {
143			sfree_if_alloc (pass1);
144			return NULL;
145			}
146
147			if (strcmp (pass1, pass2)) {
148			msg_box (NULL, _("Passphrases do not match. Please try again."),
149			title, MB_INFO);
150			sfree_if_alloc (pass1);
151			sfree_if_alloc (pass2);
152			}
153			else {
154			if (is_8bit_string (pass1)) {
155			msg_box (NULL, _("The passphrase contains 8-bit characters.\n"
156			"It is not suggested to use charset specific characters."),
157			title, MB_ERR);
158			equal = 0;
159			sfree_if_alloc (pass1);
160			sfree_if_alloc (pass2);
161			}
162			else
163			equal = 1;
164			}
165			}
166			sfree_if_alloc (pass2);
167			*ret_cancel = 0;
168			return pass1;
169			}