void CryptTask::calculateMd5( const QString& path,char * result )
{
emit titleUpdate( tr( "Calculating md5sum" ) ) ;
emit disableCancel() ;
zuluCryptMD5_CTX ctx ;
zuluCryptMD5_Init( &ctx ) ;
QByteArray p = path.toLatin1() ;
int fd = open( p.constData(),O_RDONLY ) ;
if( fd != -1 ){
struct stat st ;
fstat( fd,&st ) ;
void * map = mmap( 0,st.st_size,PROT_READ,MAP_PRIVATE,fd,0 ) ;
if( map != MAP_FAILED ){
zuluCryptMD5_Update( &ctx,map,st.st_size ) ;
munmap( map,st.st_size ) ;
char digest[ 32 ] ;
zuluCryptMD5_Final( ( unsigned char * )digest,&ctx ) ;
for( int i = 0 ; i < 16 ; i++ ) {
snprintf( &(result[i*2] ),32,"%02x",( unsigned int )digest[i] ) ;
}
}
close( fd ) ;
}
emit enableCancel() ;
}
void GLWidget::updateTitle()
{
QString file = data.currentFile == -1 ? data.filePath : fileList[data.currentFile];
emit titleUpdate(tr("MathPic <(%1, %2) * %3> %4- %5")
.arg(data.moveX).arg(data.moveY).arg(1. / pow(2, data.zoom))
.arg(data.pause ? tr("[Paused] ") : tr("")).arg(file));
}
//--------------------------------------------------------------
void camApp::update(){
updateAppInfo();
if( title.state == NODE_ACTIVE && title.introAllDone() ){
title.setState(NODE_DEACTIVATING);
state = CAM_APP_NORMAL;
durationSameDirection = 0.0;
}
if( title.state != NODE_INACTIVE ){
titleUpdate();
}
if( howTo.state != NODE_INACTIVE ){
if( howTo.timeActive < 1.0 ){
magRotZStartHowTo = mag.angleZ;
}
howTo.update();
if( fabs( ofAngleDifferenceDegrees(magRotZStartHowTo, mag.angleZ) ) > 120 ){
howTo.playMovie();
}
}
if( state == CAM_APP_TITLE && title.holdPerson() ){
//camMan.setTargetPosX(currentNode->pos.x);
camMan.setTargetPosY(title.pos.y);
}else{
riseFallUpdate();
camShiftAmntY = ofLerp(camShiftAmntY, ofMap(riseFallPct, 0, 1, -(float)ofGetHeight() * 0.175, (float)ofGetHeight() * 0.175, true), 0.03);
if( state == CAM_APP_NORMAL ){
float endGraphicOffset = 210.0;
percentOver = ofMap( fabs(myPerson.pos.y - (endGraphic.pos.y+endGraphicOffset) ), 1000, endGraphicOffset*0.5, 0.0, 1.0, true);
if( percentOver >= 0.7 ){
float pct = ofMap(percentOver, 0.7, 1.0, 0.0, 1.0, true);
float ipct = 1.0-pct;
myPerson.vel *= 0.7 + 0.3*ipct;
myPerson.pos.x = ofLerp(myPerson.pos.x, endGraphic.pos.x, 0.01 + pct * 0.02);
myPerson.pos.y = ofLerp(myPerson.pos.y, endGraphic.pos.y+endGraphicOffset, 0.01 + pct * 0.02);
camMan.setTargetPosY(endGraphic.pos.y * pct + (myPerson.pos.y+camShiftAmntY) * ipct);
}else{
camMan.setTargetPosY(myPerson.pos.y+camShiftAmntY);
}
}
if( howTo.pct > 0.2 ){
camMan.setTargetPosY(howToStorePos.y);
}
if( makeNewNode( ofGetHeight() ) ){
if( state == CAM_APP_NORMAL && howTo.state == NODE_INACTIVE && ofGetElapsedTimef() - nodeCreatedTime > 1.2 ){
if( myPerson.vel.y > 0.2 ){
nextNode(true);
}else if( myPerson.vel.y < -0.2 ){
nextNode(false);
}
nodeCreatedTime = ofGetElapsedTimef();
}
}
if( state == CAM_APP_NORMAL && nodes.size() > 0 ){
nodes.erase(nodes.begin(), partition(nodes.begin(), nodes.end(), killNodesAndDelete));
}
}
if( state == CAM_APP_HOWTO ){
limitPersonMovement(howToStorePos, -ofGetWidth()/2, ofGetWidth()/2, -(float)ofGetHeight()*0.4, (float)ofGetHeight()*0.4);
}
soundMan.update(riseFallPct);
handleRiseFall();
camMan.update(0.1, 0.04);
world.camPos = camMan.getPosition();
world.camRot = camMan.getRotation();
camPos = world.camPos;
if( state != CAM_APP_TITLE && !( state == CAM_APP_HOWTO && howTo.state == NODE_ACTIVE ) ){
for(int i = 0; i < nodes.size(); i++){
nodes[i]->update();
}
}
sceneGraph.clearElements();
sceneGraph.addElement(&myPerson);
sceneGraph.addElement(&weather);
if( title.state != NODE_INACTIVE ){
sceneGraph.addElement(&title);
}
for(int i = 0; i < nodes.size(); i++){
sceneGraph.addElement(nodes[i]);
}
//MANUAL NODEs
weather.update();
hand.update();
}
CryptTask::status CryptTask::decrypt()
{
if( utility::pathExists( m_dest ) ){
return CryptTask::destinationFileExists ;
}
QFile fd_1( m_mapperPath ) ;
if( !fd_1.open( QIODevice::ReadOnly ) ){
return CryptTask::openMapperReadFail ;
}
const int SIZE = 512 ;
char buffer[SIZE] ;
fd_1.read( buffer,SIZE ) ;
if( memcmp( buffer + 100,buffer + 200,100 ) != 0 ){
return CryptTask::wrongKey ;
}
char version[ 32 ] ;
memcpy( version,buffer + 300,32 ) ;
char md5sum[ 32 ] ;
memcpy( md5sum,buffer + 332,32 ) ;
qint64 size = atoll( buffer ) ;
qint64 len ;
qint64 i = 0;
int j = 0;
int k = -1 ;
QFile fd_2( m_dest ) ;
if( !fd_2.open( QIODevice::WriteOnly ) ){
return CryptTask::createFileFail ;
}
emit titleUpdate( tr( "Copying Data From The Container File" ) ) ;
if( size <= SIZE ){
fd_1.read( buffer,size ) ;
fd_2.write( buffer,size ) ;
fd_2.flush() ;
}else{
len = size / SIZE ;
for( i = 0 ; i < len ; i++ ){
if( m_status == CryptTask::quit ){
return CryptTask::quit ;
}
j = ( int )( i * 100 / len ) ;
if( j > k ){
emit progressUpdate( j ) ;
}
k = j ;
fd_1.read( buffer,SIZE ) ;
fd_2.write( buffer,SIZE ) ;
fd_2.flush() ;
}
len = size - ( i * SIZE ) ;
fd_1.read( buffer,len ) ;
fd_2.write( buffer,len ) ;
fd_2.flush() ;
}
emit progressUpdate( 100 ) ;
char md5Data[ 32 ] ;
char version_1[ 32 ] = { '\0' };
strcpy( version_1,"1.0" ) ;
if( memcmp( version,version_1,32 ) == 0 ){
/*
* we are decrypting a volume using new format that embed md5 checksum of the data
*/
this->calculateMd5( m_dest,md5Data ) ;
if( memcmp( md5sum,md5Data,32 ) != 0 ){
return CryptTask::md5Fail ;
}else{
return CryptTask::md5Pass ;
}
}else{
return CryptTask::md5Pass ;
}
}
CryptTask::status CryptTask::encrypt()
{
QFile fd_4( m_source ) ;
if( !fd_4.open( QIODevice::ReadOnly ) ){
return CryptTask::OpenSourceFail ;
}
QFile fd_1( m_dest ) ;
if( !fd_1.open( QIODevice::WriteOnly ) ){
return CryptTask::OpenDestinationFail ;
}
const int SIZE = 512 ;
char buffer[ SIZE ] ;
qint64 size = fd_4.size() ;
qint64 source_size = size ;
int i = 0 ;
int j = -1 ;
emit titleUpdate( tr( "Creating Encrypted Container File" ) ) ;
while( size % SIZE != 0 ){
size++ ;
}
size += SIZE ;
memset( buffer,0,SIZE ) ;
emit progressUpdate( 0 ) ;
if( !fd_1.resize( size ) ){
for( qint64 size_1 = 0 ; size_1 < size ; size_1 += SIZE ){
if( m_status == CryptTask::quit ){
return CryptTask::quit ;
}else{
i = ( int )( size_1 * 100 / size ) ;
if( i > j ){
emit progressUpdate( i ) ;
}
j = i ;
fd_1.write( buffer,SIZE ) ;
fd_1.flush() ;
}
}
emit progressUpdate( 100 ) ;
}
fd_1.close() ;
if( this->openMapper( m_dest ) != CryptTask::success ){
return CryptTask::openMapperFail ;
}
QFile fd_2( m_mapperPath ) ;
if( !fd_2.open(QIODevice::WriteOnly ) ){
return CryptTask::openMapperWriteFail ;
}
QString s = QString::number( source_size ) ;
fd_2.write( s.toLatin1(),s.size() ) ;
fd_2.putChar( '\0' ) ;
char bff[ 100 ] ;
QFile fd_3( QString( "/dev/urandom" ) ) ;
fd_3.open( QIODevice::ReadOnly ) ;
fd_3.read( bff,100 ) ;
fd_3.close() ;
fd_2.seek( 100 ) ;
fd_2.write( bff,100 ) ;
fd_2.write( bff,100 ) ;
char version[ 32 ] = { 0 };
strcpy( version,"1.0" ) ;
fd_2.write( version,32 ) ;
char md5Data[ 32 ] ;
this->calculateMd5( m_source,md5Data ) ;
fd_2.write( md5Data,32 ) ;
fd_2.flush() ;
fd_2.seek( SIZE ) ;
j = -1 ;
emit titleUpdate( tr( "Copying Data To The Container File" ) ) ;
emit progressUpdate( 0 ) ;
for( qint64 size_1 = 0 ; size_1 < size ; size_1 += SIZE ){
if( m_status == CryptTask::quit ){
return CryptTask::quit ;
}
i = ( int )( size_1 * 100 / size ) ;
if( i > j ){
emit progressUpdate( i ) ;
}
j = i ;
fd_4.read( buffer,SIZE ) ;
fd_2.write( buffer,SIZE ) ;
fd_2.flush() ;
}
fd_2.close() ;
emit progressUpdate( 100 ) ;
return CryptTask::success ;
}
