summaryrefslogtreecommitdiff
path: root/libopie2/opiesecurity/multiauthpassword.cpp
blob: 6c8944e75b6824d36cabf09a5c6d461b3fc51fa6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/**
 * \file multiauthpassword.cpp
 * \brief Password Dialog dropin.
 * \author Clément Séveillac (clement . seveillac (at) via . ecp . fr)
 */
/*
               =.            This file is part of the Opie Project
             .=l.            Copyright (C) 2004 Opie Developer Team <opie-devel@handhelds.org>
           .>+-=
 _;:,     .>    :=|.         This library is free software; you can
.> <`_,   >  .   <=          redistribute it and/or  modify it under
:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
.="- .-=="i,     .._         License as published by the Free Software
 - .   .-<_>     .<>         Foundation; either version 2 of the License,
     ._= =}       :          or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s.       This library 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
..}^=.=       =       ;      Library General Public License for more
++=   -.     .`     .:       details.
 :     =  ...= . :.=-
 -.   .:....=;==+<;          You should have received a copy of the GNU
  -_. . .   )=.  =           Library General Public License along with
    --        :-=`           this library; see the file COPYING.LIB.
                             If not, write to the Free Software Foundation,
                             Inc., 59 Temple Place - Suite 330,
                             Boston, MA 02111-1307, USA.

*/


/* OPIE */
#include <opie2/multiauthcommon.h>
#include <opie2/multiauthmainwindow.h>
#include <qpe/config.h>
#include <qpe/qlibrary.h>
#include <qpe/qcom.h>

/* QT */
#include <qapplication.h>
#include <qvbox.h>
#include <qpushbutton.h>
#include <qlabel.h>
#include <qdir.h>

#include "multiauthpassword.h"

namespace Opie {
namespace Security {


/**
 * Tells if the users requires authentication (used internally to
 * know whether to repaint the screen on resume)
 *
 * \param at_poweron true if we are booting Opie, false if we are resuming it
 * \return true if authenticate() launched right now would trigger an authentication
 */
bool MultiauthPassword::needToAuthenticate(bool at_poweron)
{
    Config cfg("Security");
    cfg.setGroup("Misc");
    if ( !at_poweron && cfg.readBoolEntry("onStart", false) )
        return true;
    else if ( at_poweron && cfg.readBoolEntry("onResume", false) )
        return true;
    else
        return false;
}



/**
 * \brief Require (if configured so) user authentication to unlock and continue
 *
 * This method will check if you require authentication
 * and then will lock the screen and ask for a successful
 * authentication (explaining what it does or not, depending
 * on your local configuration).
 * It may go into an event loop, but anyhow it will only end
 * when the user has successfully authenticated to the system.
 */
void MultiauthPassword::authenticate(int lockMode)
{
    /**
     * \par Conditions
     *
     * If lockMode is an If, it's conditional:
     * \li IfPowerOn will not trigger an authentication if
     *   onStart is set to false in Security.conf,
     * \li IfResume will not trigger an authentication if
     *   onResume is set to false in Security.conf.
     */
    if ( (lockMode == IfPowerOn) || (lockMode == IfResume) )
    {
        Config cfg("Security");
        cfg.setGroup("Misc");
        if ( (
              (lockMode == IfPowerOn) && !cfg.readBoolEntry("onStart", false)
            ) || (
              (lockMode == IfResume) && !cfg.readBoolEntry("onResume", false)
            ) )
            return;
    }

    /**
     * \li TestNow will ensure that the authentication window will let
     * people escape through the last screen (which they can reach skipping
     * all the authentication steps)
     * \li LockNow will always go on with the authentication, and won't let
     * people escape.
     */
    bool allowByPass = false;

    if (lockMode == TestNow)
        allowByPass = true;

    /* Constructs the main window, which displays messages and blocks
     * access to the desktop
     */
    MultiauthMainWindow win(allowByPass);

    // resize the QDialog object so it fills all the screen
    QRect desk = qApp->desktop()->geometry();
    win.setGeometry( 0, 0, desk.width(), desk.height() );

    // the authentication has already succeeded (without win interactions)
    if ( win.isAlreadyDone() )
        return;

    win.exec();
}

}
}