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/*
* Copyright 2015 Timothy Pearson <kb9vqf@pearsoncomputing.net>
*
* This file is part of cryptocardwatcher, the TDE Cryptographic Card Session Monitor
*
* cryptocardwatcher 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 3
* of the License, or (at your option) any later version.
*
* cryptocardwatcher 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 cryptocardwatcher. If not, see http://www.gnu.org/licenses/.
*/
#include "watcher.h"
#include <ksslcertificate.h>
#include <tdehardwaredevices.h>
#include <tdecryptographiccarddevice.h>
#include <dmctl.h>
#include <kuser.h>
CardWatcher::CardWatcher() : TQObject() {
//
}
CardWatcher::~CardWatcher() {
//
}
void CardWatcher::cryptographicCardInserted(TDECryptographicCardDevice* cdevice) {
TQString login_name = TQString::null;
X509CertificatePtrList certList = cdevice->cardX509Certificates();
if (certList.count() > 0) {
KSSLCertificate* card_cert = NULL;
card_cert = KSSLCertificate::fromX509(certList[0]);
TQStringList cert_subject_parts = TQStringList::split("/", card_cert->getSubject(), false);
for (TQStringList::Iterator it = cert_subject_parts.begin(); it != cert_subject_parts.end(); ++it ) {
TQString lcpart = (*it).lower();
if (lcpart.startsWith("cn=")) {
login_name = lcpart.right(lcpart.length() - strlen("cn="));
}
}
delete card_cert;
}
if (login_name != "") {
// Determine if user already has an active session
DM dm;
SessList sess;
bool user_active = false;
bool unused_session_available = false;
bool unused_session_active = false;
int unused_session_vt_number = -1;
if (dm.localSessions(sess)) {
TQString user, loc;
for (SessList::ConstIterator it = sess.begin(); it != sess.end(); ++it) {
DM::sess2Str2(*it, user, loc);
if (user.startsWith(login_name + ": ")) {
// Found active session
user_active = true;
// Switch VTs
DM().switchVT((*it).vt);
break;
}
if (user == "Unused") {
// Found active unused session
unused_session_available = true;
unused_session_vt_number = (*it).vt;
if ((*it).vt == dm.activeVT()) {
unused_session_active = true;
break;
}
}
}
}
if (!user_active || unused_session_available) {
if (unused_session_available) {
if (!unused_session_active) {
// Switch to unused VT
DM().switchVT(unused_session_vt_number);
}
}
else {
// Activate new VT
DM().startReserve();
}
}
}
}
void CardWatcher::cryptographicCardRemoved(TDECryptographicCardDevice* cdevice) {
//
}
#include "watcher.moc"
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