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168 lines
6.5 KiB
168 lines
6.5 KiB
/***************************************************************************
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* Copyright (C) 2005 by Tarek Saidi *
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* mail@tarek-saidi.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; version 2 of the License. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include "Import_PwManager.h"
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#include <QCryptographicHash>
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bool Import_PwManager::importDatabase(QWidget* GuiParent, IDatabase* db){
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database=db;
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QFile* file=openFile(GuiParent,identifier(),QStringList()<<tr("PwManager Files (*.pwm)")<<tr("All Files (*)"));
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if(!file)return false;
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QString password=getPassword(GuiParent);
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if(password.isEmpty()){delete file; return false;}
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char* buffer=NULL;
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int offset=0;
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int len=0;
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if((len=file->size())){
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buffer=new char[len];
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}
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else {
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QMessageBox::critical(GuiParent,tr("Import Failed"),tr("File is empty."));
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delete file;
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return false;
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}
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file->read(buffer,len);
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file->close();
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delete file;
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if(QString::fromAscii(buffer,17)!="PWM_PASSWORD_FILE")
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{QMessageBox::critical(GuiParent,tr("Import Failed"),tr("File is no valid PwManager file.")); return false;}
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offset+=17;
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if(buffer[offset]!=0x05)
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{QMessageBox::critical(GuiParent,tr("Import Failed"),tr("Unsupported file version.")); return false;}
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offset++;
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if(buffer[offset]!=0x01)
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{QMessageBox::critical(GuiParent,tr("Import Failed"),tr("Unsupported hash algorithm.")); return false;}
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offset++;
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if(buffer[offset]!=0x01)
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{QMessageBox::critical(GuiParent,tr("Import Failed"),tr("Unsupported hash algorithm.")); return false;}
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offset++;
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if(buffer[offset]!=0x01)
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{QMessageBox::critical(GuiParent,tr("Import Failed"),tr("Unsupported encryption algorithm.")); return false;}
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offset++;
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if(buffer[offset]==0x00)Compression=0;
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if(buffer[offset]==0x01)Compression=1;
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if(buffer[offset]==0x02)Compression=2;
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///@TODO Compression
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if(buffer[offset])
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{QMessageBox::critical(GuiParent,tr("Import Failed"),tr("Compressed files are not supported yet.")); return false;}
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offset++;
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if(buffer[offset]==0x00)KeyFlag=true;
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else KeyFlag=false;
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offset++;
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//Reserved Bytes (64)
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offset+=64;
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memcpy(KeyHash,buffer+offset,20);
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offset+=20;
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memcpy(DataHash,buffer+offset,20);
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offset+=20;
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Blowfish blowfish;
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int pwlen=password.length();
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byte* Key=new byte[pwlen];
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byte* xml=new byte[len-offset+1];
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xml[len-offset]=0;
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memcpy(Key,password.toAscii(),pwlen);
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QCryptographicHash sha(QCryptographicHash::Sha1);
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sha.addData((const char*)Key,pwlen);
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QByteArray key_hash = sha.result();
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if(memcmp(key_hash.constData(),KeyHash,20)){
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delete[] Key;
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delete [] buffer;
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QMessageBox::critical(GuiParent,tr("Import Failed"),tr("Wrong password."));
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return false;
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}
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blowfish.bf_setkey(Key,password.length());
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blowfish.bf_decrypt(xml,(byte*)buffer+offset,len-offset);
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delete [] Key;
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delete [] buffer;
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sha.reset();
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sha.addData((const char*)xml,strlen((char*)xml)-1);
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QByteArray content_hash = sha.result();
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if(memcmp(content_hash.constData(),DataHash,20)){
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delete [] xml;
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QMessageBox::critical(GuiParent,tr("Import Failed"),tr("File is damaged (hash test failed)."));
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return false;
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}
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if(!parseXmlContent((char*)xml)){
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delete [] xml;
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QMessageBox::critical(GuiParent,tr("Import Failed"),tr("Invalid XML data (see stdout for details).")); return false;
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}
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return true;
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}
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bool Import_PwManager::parseXmlContent(char* content){
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QDomDocument db;
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QString err;
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int col,line;
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if(!db.setContent(QString::fromUtf8(content,strlen(content)-1),false,&err,&line,&col)){
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qWarning("Import_PwManager::parseXmlContent():\n");
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qWarning("%s (Line:%d Column:%d)\n", CSTR(err), line, col);
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return false;
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}
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QDomElement root=db.documentElement();
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if(root.tagName()!="P")return false;
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//Achtung! Kommentare und Kategorien haben das selbe Tag "c"
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if(!root.elementsByTagName("c").item(0).isElement())return false;
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QDomElement groups=root.elementsByTagName("c").item(0).toElement();
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int i=0;
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while(1){
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QDomElement CurrGroup;
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if(!groups.elementsByTagName("c"+QString::number(i)).length())break;
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if(groups.elementsByTagName("c"+QString::number(i)).length()>1)return false;
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if(!groups.elementsByTagName("c"+QString::number(i)).item(0).isElement())return false;
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CurrGroup=groups.elementsByTagName("c"+QString::number(i)).item(0).toElement();
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if(!CurrGroup.hasAttribute("n"))return false;
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CGroup tmpGroup;
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IGroupHandle* NewGroup=database->addGroup(&tmpGroup,NULL);
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NewGroup->setTitle(CurrGroup.attribute("n"));
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int j=0;
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while(1){
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QDomElement CurrEntry;
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if(!CurrGroup.elementsByTagName("e"+QString::number(j)).length())break;
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if(CurrGroup.elementsByTagName("e"+QString::number(j)).length()>1)return false;
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if(!CurrGroup.elementsByTagName("e"+QString::number(j)).item(0).isElement())return false;
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CurrEntry=CurrGroup.elementsByTagName("e"+QString::number(j)).item(0).toElement();
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if(!xml_parseEntryAttributes(&CurrEntry,NewGroup))return false;
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j++;
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}
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i++;
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}
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return true;
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}
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bool Import_PwManager::xml_parseEntryAttributes(QDomElement* EntryElement,IGroupHandle* NewGroup){
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IEntryHandle* e=database->newEntry(NewGroup);
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e->setTitle(EntryElement->elementsByTagName("d").item(0).toElement().text());
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e->setUsername(EntryElement->elementsByTagName("n").item(0).toElement().text());
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QString pw(EntryElement->elementsByTagName("p").item(0).toElement().text());
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SecString spw;
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spw.setString(pw,true);
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e->setPassword(spw);
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QString comment=EntryElement->elementsByTagName("c").item(0).toElement().text();
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comment.replace("$>--endl--<$","\n");
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e->setComment(comment);
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e->setUrl(EntryElement->elementsByTagName("u").item(0).toElement().text());
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return true;
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}
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