Kennwortmanager KeePassX Weiterentwicklung der Version 1
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keepassx1/src/dialogs/PasswordGenDlg.cpp

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/***************************************************************************
* Copyright (C) 2005 by Tarek Saidi *
* tarek@linux *
* *
* This program 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; version 2 of the License. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QSpinBox>
#include <QMessageBox>
#include <QRadioButton>
#include <QLineEdit>
#include <QCheckBox>
#include <QProgressBar>
#include <QPainter>
#include <math.h>
#include "PasswordGenDlg.h"
#include "CollectEntropyDlg.h"
#include "crypto/yarrow.h"
#include "KpxConfig.h"
bool CGenPwDialog::EntropyCollected=false;
CGenPwDialog::CGenPwDialog(QWidget* parent, bool StandAloneMode,Qt::WFlags fl)
: QDialog(parent,fl)
{
setupUi(this);
setMinimumSize(size());
setMaximumSize(size());
createBanner(&BannerPixmap,getPixmap("dice"),tr("Password Generator"),width());
connect(ButtonGenerate,SIGNAL(clicked()),this,SLOT(OnGeneratePw()));
connect(Radio_1,SIGNAL(toggled(bool)),this,SLOT(OnRadio1StateChanged(bool)));
connect(Radio_2,SIGNAL(toggled(bool)),this,SLOT(OnRadio2StateChanged(bool)));
connect(DialogButtons,SIGNAL(rejected()),this,SLOT(OnCancel()));
connect(DialogButtons,SIGNAL(accepted()),this,SLOT(OnAccept()));
connect(checkBox1,SIGNAL(clicked()),this,SLOT(estimateQuality()));
connect(checkBox2,SIGNAL(clicked()),this,SLOT(estimateQuality()));
connect(checkBox3,SIGNAL(clicked()),this,SLOT(estimateQuality()));
connect(checkBox4,SIGNAL(clicked()),this,SLOT(estimateQuality()));
connect(checkBox5,SIGNAL(clicked()),this,SLOT(estimateQuality()));
connect(checkBox6,SIGNAL(clicked()),this,SLOT(estimateQuality()));
connect(checkBox7,SIGNAL(clicked()),this,SLOT(estimateQuality()));
connect(Spin_Num,SIGNAL(valueChanged(int)),this,SLOT(estimateQuality()));
connect(Check_CollectEntropy,SIGNAL(stateChanged(int)),this,SLOT(OnCollectEntropyChanged(int)));
connect(Edit_chars,SIGNAL(textChanged(const QString&)),this,SLOT(estimateQuality()));
connect(Edit_chars,SIGNAL(textEdited(const QString&)),this,SLOT(OnCharsChanged(const QString&)));
if(!StandAloneMode){
AcceptButton=DialogButtons->addButton(tr("Accept"),QDialogButtonBox::AcceptRole);
AcceptButton->setDisabled(true);
DialogButtons->addButton(QDialogButtonBox::Cancel);
}
else{
DialogButtons->addButton(tr("OK"),QDialogButtonBox::AcceptRole);
AcceptButton=NULL;
}
QBitArray pwGenOptions=config->pwGenOptions();
Radio_1->setChecked(pwGenOptions.at(0));
Radio_2->setChecked(!pwGenOptions.at(0));
checkBox1->setChecked(pwGenOptions.at(1));
checkBox2->setChecked(pwGenOptions.at(2));
checkBox3->setChecked(pwGenOptions.at(3));
checkBox4->setChecked(pwGenOptions.at(4));
checkBox5->setChecked(pwGenOptions.at(5));
checkBox6->setChecked(pwGenOptions.at(6));
checkBox7->setChecked(pwGenOptions.at(7));
Check_CollectEntropy->setChecked(pwGenOptions.at(8));
Check_CollectOncePerSession->setChecked(pwGenOptions.at(9));
OnRadio1StateChanged(pwGenOptions.at(0));
OnRadio2StateChanged(!pwGenOptions.at(0));
Spin_Num->setValue(config->pwGenLength());
}
CGenPwDialog::~CGenPwDialog(){
QBitArray pwGenOptions(10);
pwGenOptions.setBit(0,Radio_1->isChecked());
pwGenOptions.setBit(1,checkBox1->isChecked());
pwGenOptions.setBit(2,checkBox2->isChecked());
pwGenOptions.setBit(3,checkBox3->isChecked());
pwGenOptions.setBit(4,checkBox4->isChecked());
pwGenOptions.setBit(5,checkBox5->isChecked());
pwGenOptions.setBit(6,checkBox6->isChecked());
pwGenOptions.setBit(7,checkBox7->isChecked());
pwGenOptions.setBit(8,Check_CollectEntropy->isChecked());
pwGenOptions.setBit(9,Check_CollectOncePerSession->isChecked());
config->setPwGenOptions(pwGenOptions);
config->setPwGenLength(Spin_Num->value());
}
void CGenPwDialog::paintEvent(QPaintEvent *event){
QDialog::paintEvent(event);
QPainter painter(this);
painter.setClipRegion(event->region());
painter.drawPixmap(QPoint(0,0),BannerPixmap);
}
void CGenPwDialog::OnRadio1StateChanged(bool state)
{
if(state){
checkBox1->setEnabled(true);
checkBox2->setEnabled(true);
checkBox3->setEnabled(true);
checkBox4->setEnabled(true);
checkBox5->setEnabled(true);
checkBox6->setEnabled(true);
checkBox7->setEnabled(true);
}else{
checkBox1->setDisabled(true);
checkBox2->setDisabled(true);
checkBox3->setDisabled(true);
checkBox4->setDisabled(true);
checkBox5->setDisabled(true);
checkBox6->setDisabled(true);
checkBox7->setDisabled(true);
}
estimateQuality();
}
void CGenPwDialog::OnRadio2StateChanged(bool state){
if(state)
Edit_chars->setEnabled(true);
else
Edit_chars->setDisabled(true);
estimateQuality();
}
void CGenPwDialog::OnGeneratePw()
{
/*-------------------------------------------------------
ASCII
-------------------------------------------------------
"A...Z" 65...90
"a...z" 97...122
"0...9" 48...57
Special Characters 33...47; 58...64; 91...96; 123...126
"-" 45
"_" 95
-------------------------------------------------------
*/
int num=0;
char assoctable[255];
if(Radio_1->isChecked()){
if(checkBox1->isChecked())
num+=AddToAssoctable(assoctable,65,90,num);
if(checkBox2->isChecked())
num+=AddToAssoctable(assoctable,97,122,num);
if(checkBox3->isChecked())
num+=AddToAssoctable(assoctable,48,57,num);
if(checkBox4->isChecked()){
num+=AddToAssoctable(assoctable,33,47,num);
num+=AddToAssoctable(assoctable,58,64,num);
num+=AddToAssoctable(assoctable,91,96,num);
num+=AddToAssoctable(assoctable,123,126,num);}
if(checkBox5->isChecked())
num+=AddToAssoctable(assoctable,32,32,num);
if(checkBox6->isChecked() && !checkBox4->isChecked())
num+=AddToAssoctable(assoctable,45,45,num);
if(checkBox7->isChecked() && !checkBox4->isChecked())
num+=AddToAssoctable(assoctable,95,95,num);
}
else{
QString str=Edit_chars->text();
for(int i=0;i<str.length();i++){
assoctable[i]=str[i].toAscii();
num++;
}
}
if(num==0){
if(Radio_2->isChecked())
QMessageBox::information(this,tr("Notice"),tr("You need to enter at least one character"),tr("OK"));
else
QMessageBox::information(this,tr("Notice"),QString::fromUtf8("You need to select at least one character group."),"OK");
return;
}
int length=Spin_Num->value();
char* buffer=new char[length+1];
buffer[length]=0;
if(Check_CollectEntropy->isChecked()){
if((Check_CollectOncePerSession->isChecked() && !EntropyCollected) || !Check_CollectOncePerSession->isChecked()){
CollectEntropyDlg dlg(this);
dlg.exec();
EntropyCollected=true;
}
}
unsigned char tmp;
for(int i=0;i<length;i++){
do randomize(&tmp,1);
while(!trim(tmp,num));
buffer[i]=assoctable[tmp];
}
Edit_dest->setText(buffer);
delete [] buffer;
if(AcceptButton)AcceptButton->setEnabled(true);
}
int CGenPwDialog::AddToAssoctable(char* table,int start,int end,int pos){
for(int i=start;i<=end;i++){
table[pos]=i;
pos++;
}
return (end-start)+1;
}
bool CGenPwDialog::trim(unsigned char &x, int r){
if(x<r)
return true;
if(256%r!=0)
return false;
x=x-(x/r)*r;
return true;
}
void CGenPwDialog::estimateQuality(){
int num=0;
if(Radio_1->isChecked()){
if(checkBox1->isChecked())
num+=26;
if(checkBox2->isChecked())
num+=26;
if(checkBox3->isChecked())
num+=10;
if(checkBox4->isChecked())
num+=32;
if(checkBox5->isChecked())
num++;
if(checkBox6->isChecked() && !checkBox4->isChecked())
num++;
if(checkBox7->isChecked() && !checkBox4->isChecked())
num++;
}
else
num=Edit_chars->text().length();
float bits=0;
if(num)bits=log(num)/log(2);
bits=bits*((float)Spin_Num->value());
Progress_Quali->setFormat(tr("%1 Bits").arg((int)bits));
Progress_Quali->update();
if(bits>128)bits=128;
Progress_Quali->setValue(bits);
}
void CGenPwDialog::OnCharsChanged(const QString& str){
bool multiple=false;
for(int i=0;i<str.size();i++){
int count=0;
for(int j=0;j<str.size();j++){
if(str[i]==str[j]){
if(count){multiple=true; break;}
else {count++;}
}
}
if(multiple)break;
}
if(!multiple)return;
QString newstr;
for(int i=0;i<str.size();i++){
if(!newstr.count(str[i])){
newstr+=str[i];
}
}
Edit_chars->setText(newstr);
}
void CGenPwDialog::OnAccept()
{
done(1);
}
void CGenPwDialog::OnCancel()
{
done(0);
}
void CGenPwDialog::OnCollectEntropyChanged(int state){
if(state==Qt::Checked)
Check_CollectOncePerSession->setDisabled(false);
else
Check_CollectOncePerSession->setDisabled(true);
}