Add SslInfoDlg as a nice way to show information about an SSL connection

diff --git a/src/common/util.cpp b/src/common/util.cpp
index 817790f..8b9231e 100644 (file)
--- a/src/common/util.cpp
+++ b/src/common/util.cpp
@@ -108,14 +108,14 @@ uint editingDistance(const QString &s1, const QString &s2) {
       uint insertChar = matrix[i][j-1] + 1;
 
       if(deleteChar < insertChar)
-       min = deleteChar;
+        min = deleteChar;
       else
-       min = insertChar;
+        min = insertChar;
 
       if(s1[i-1] == s2[j-1]) {
-       uint inheritChar = matrix[i-1][j-1];
-       if(inheritChar < min)
-         min = inheritChar;
+        uint inheritChar = matrix[i-1][j-1];
+        if(inheritChar < min)
+          min = inheritChar;
       }
 
       matrix[i][j] = min;
@@ -144,7 +144,7 @@ QString secondsToString(int timeInSeconds) {
 }
 
 QByteArray prettyDigest(const QByteArray &digest) {
-  QByteArray hexDigest = digest.toHex();
+  QByteArray hexDigest = digest.toHex().toUpper();
   QByteArray prettyDigest;
   prettyDigest.fill(':', hexDigest.count() + (hexDigest.count() / 2) - 1);
 

diff --git a/src/qtui/CMakeLists.txt b/src/qtui/CMakeLists.txt
index 28e1b68..3e7e067 100644 (file)
--- a/src/qtui/CMakeLists.txt
+++ b/src/qtui/CMakeLists.txt
@@ -151,6 +151,12 @@ else(HAVE_KDE)
   endif(HAVE_PHONON)
 endif(HAVE_KDE)
 
+if(HAVE_SSL)
+  set(SOURCES ${SOURCES} sslinfodlg.cpp)
+  set(MOC_HDRS ${MOC_HDRS} sslinfodlg.h)
+  set(FORMS ${FORMS} sslinfodlg.ui)
+endif(HAVE_SSL)
+
 if(INDICATEQT_FOUND)
   set(SOURCES ${SOURCES} indicatornotificationbackend.cpp)
   set(MOC_HDRS ${MOC_HDRS} indicatornotificationbackend.h)

diff --git a/src/qtui/sslinfodlg.cpp b/src/qtui/sslinfodlg.cpp
new file mode 100644 (file)
index 0000000..b636f16
--- /dev/null
+++ b/src/qtui/sslinfodlg.cpp
@@ -0,0 +1,81 @@
+/***************************************************************************
+ *   Copyright (C) 2009 by the Quassel Project                             *
+ *   devel@quassel-irc.org                                                 *
+ *                                                                         *
+ *   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; either version 2 of the License, or     *
+ *   (at your option) version 3.                                           *
+ *                                                                         *
+ *   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 <QDateTime>
+#include <QHostAddress>
+#include <QSslCipher>
+#include <QSslSocket>
+
+#include "sslinfodlg.h"
+#include "util.h"
+
+// ========================================
+//  SslInfoDlg
+// ========================================
+
+SslInfoDlg::SslInfoDlg(const QSslSocket *socket, QWidget *parent)
+  : QDialog(parent),
+  _socket(socket)
+{
+  ui.setupUi(this);
+
+  QSslCipher cipher = socket->sessionCipher();
+
+  ui.hostname->setText(socket->peerName());
+  ui.address->setText(socket->peerAddress().toString());
+  ui.encryption->setText(cipher.name());
+  ui.protocol->setText(cipher.protocolString());
+
+  connect(ui.certificateChain, SIGNAL(currentIndexChanged(int)), SLOT(setCurrentCert(int)));
+  foreach(const QSslCertificate &cert, socket->peerCertificateChain()) {
+    ui.certificateChain->addItem(cert.subjectInfo(QSslCertificate::CommonName));
+  }
+}
+
+void SslInfoDlg::setCurrentCert(int index) {
+  QSslCertificate cert = socket()->peerCertificateChain().at(index);
+  ui.subjectCommonName->setText(cert.subjectInfo(QSslCertificate::CommonName));
+  ui.subjectOrganization->setText(cert.subjectInfo(QSslCertificate::Organization));
+  ui.subjectOrganizationalUnit->setText(cert.subjectInfo(QSslCertificate::OrganizationalUnitName));
+  ui.subjectCountry->setText(cert.subjectInfo(QSslCertificate::CountryName));
+  ui.subjectState->setText(cert.subjectInfo(QSslCertificate::StateOrProvinceName));
+  ui.subjectCity->setText(cert.subjectInfo(QSslCertificate::LocalityName));
+
+  ui.issuerCommonName->setText(cert.issuerInfo(QSslCertificate::CommonName));
+  ui.issuerOrganization->setText(cert.issuerInfo(QSslCertificate::Organization));
+  ui.issuerOrganizationalUnit->setText(cert.issuerInfo(QSslCertificate::OrganizationalUnitName));
+  ui.issuerCountry->setText(cert.issuerInfo(QSslCertificate::CountryName));
+  ui.issuerState->setText(cert.issuerInfo(QSslCertificate::StateOrProvinceName));
+  ui.issuerCity->setText(cert.issuerInfo(QSslCertificate::LocalityName));
+
+  if(socket()->sslErrors().isEmpty())
+    ui.trusted->setText(tr("Yes"));
+  else {
+    QString errorString = tr("No, for the following reasons:<ul>");
+    foreach(const QSslError &error, socket()->sslErrors())
+      errorString += "<li>" + error.errorString() + "</li>";
+    errorString += "</ul>";
+    ui.trusted->setText(errorString);
+  }
+
+  ui.validity->setText(tr("%1 to %2").arg(cert.effectiveDate().date().toString(Qt::ISODate), cert.expiryDate().date().toString(Qt::ISODate)));
+  ui.md5Digest->setText(prettyDigest(cert.digest(QCryptographicHash::Md5)));
+  ui.sha1Digest->setText(prettyDigest(cert.digest(QCryptographicHash::Sha1)));
+}

diff --git a/src/qtui/sslinfodlg.h b/src/qtui/sslinfodlg.h
new file mode 100644 (file)
index 0000000..d766021
--- /dev/null
+++ b/src/qtui/sslinfodlg.h
@@ -0,0 +1,51 @@
+/***************************************************************************
+ *   Copyright (C) 2009 by the Quassel Project                             *
+ *   devel@quassel-irc.org                                                 *
+ *                                                                         *
+ *   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; either version 2 of the License, or     *
+ *   (at your option) version 3.                                           *
+ *                                                                         *
+ *   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.             *
+ ***************************************************************************/
+
+#ifndef SSLINFODLG_H
+#define SSLINFODLG_H
+
+#include <QDialog>
+
+#include "ui_sslinfodlg.h"
+
+class QSslSocket;
+
+// ========================================
+//  SslInfoDialog
+// ========================================
+
+class QSslCertificate;
+
+class SslInfoDlg : public QDialog {
+  Q_OBJECT
+
+public:
+  SslInfoDlg(const QSslSocket *socket, QWidget *parent = 0);
+  inline const QSslSocket *socket() const { return _socket; }
+
+private slots:
+  void setCurrentCert(int index);
+
+private:
+  Ui::SslInfoDlg ui;
+  const QSslSocket *_socket;
+};
+
+#endif

diff --git a/src/qtui/ui/sslinfodlg.ui b/src/qtui/ui/sslinfodlg.ui
new file mode 100644 (file)
index 0000000..6daa17c
--- /dev/null
+++ b/src/qtui/ui/sslinfodlg.ui
@@ -0,0 +1,516 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>SslInfoDlg</class>
+ <widget class="QDialog" name="SslInfoDlg">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>555</width>
+    <height>449</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Security Information</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QGridLayout" name="gridLayout">
+     <item row="0" column="0">
+      <widget class="QLabel" name="label">
+       <property name="text">
+        <string>&lt;b&gt;Hostname:&lt;/b&gt;</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="1">
+      <widget class="QLabel" name="hostname">
+       <property name="text">
+        <string notr="true">n/a</string>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="0">
+      <widget class="QLabel" name="label_2">
+       <property name="text">
+        <string>&lt;b&gt;IP address:&lt;/b&gt;</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="1">
+      <widget class="QLabel" name="address">
+       <property name="text">
+        <string notr="true">n/a</string>
+       </property>
+      </widget>
+     </item>
+     <item row="2" column="0">
+      <widget class="QLabel" name="label_3">
+       <property name="text">
+        <string>&lt;b&gt;Encryption:&lt;/b&gt;</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+       </property>
+      </widget>
+     </item>
+     <item row="2" column="1">
+      <widget class="QLabel" name="encryption">
+       <property name="text">
+        <string notr="true">n/a</string>
+       </property>
+      </widget>
+     </item>
+     <item row="3" column="0">
+      <widget class="QLabel" name="label_5">
+       <property name="text">
+        <string>&lt;b&gt;Protocol:&lt;/b&gt;</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+       </property>
+      </widget>
+     </item>
+     <item row="3" column="1">
+      <widget class="QLabel" name="protocol">
+       <property name="text">
+        <string notr="true">n/a</string>
+       </property>
+      </widget>
+     </item>
+     <item row="4" column="0">
+      <widget class="QLabel" name="label_6">
+       <property name="text">
+        <string>&lt;b&gt;Certificate chain:&lt;/b&gt;</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+       </property>
+      </widget>
+     </item>
+     <item row="4" column="1">
+      <widget class="QComboBox" name="certificateChain">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+      </widget>
+     </item>
+     <item row="5" column="0" colspan="4">
+      <widget class="QTabWidget" name="tabWidget">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Maximum">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="currentIndex">
+        <number>0</number>
+       </property>
+       <widget class="QWidget" name="subjectTab">
+        <attribute name="title">
+         <string>Subject</string>
+        </attribute>
+        <layout class="QGridLayout" name="gridLayout_2">
+         <item row="0" column="0">
+          <widget class="QLabel" name="label_7">
+           <property name="text">
+            <string>&lt;b&gt;Common name:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="0" column="1">
+          <widget class="QLabel" name="subjectCommonName">
+           <property name="text">
+            <string notr="true">Common Name</string>
+           </property>
+          </widget>
+         </item>
+         <item row="1" column="0">
+          <widget class="QLabel" name="label_8">
+           <property name="text">
+            <string>&lt;b&gt;Organization:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="1" column="1">
+          <widget class="QLabel" name="subjectOrganization">
+           <property name="text">
+            <string notr="true">Organization</string>
+           </property>
+          </widget>
+         </item>
+         <item row="2" column="0">
+          <widget class="QLabel" name="label_9">
+           <property name="text">
+            <string>&lt;b&gt;Organizational unit:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="2" column="1">
+          <widget class="QLabel" name="subjectOrganizationalUnit">
+           <property name="text">
+            <string notr="true">Organizational Unit</string>
+           </property>
+          </widget>
+         </item>
+         <item row="5" column="0">
+          <widget class="QLabel" name="label_10">
+           <property name="text">
+            <string>&lt;b&gt;Country:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="5" column="1">
+          <widget class="QLabel" name="subjectCountry">
+           <property name="text">
+            <string notr="true">Country</string>
+           </property>
+          </widget>
+         </item>
+         <item row="6" column="0">
+          <widget class="QLabel" name="label_11">
+           <property name="text">
+            <string>&lt;b&gt;State or province:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="6" column="1">
+          <widget class="QLabel" name="subjectState">
+           <property name="text">
+            <string notr="true">State</string>
+           </property>
+          </widget>
+         </item>
+         <item row="5" column="2">
+          <spacer name="horizontalSpacer">
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>40</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+         <item row="4" column="1">
+          <widget class="QLabel" name="subjectCity">
+           <property name="text">
+            <string notr="true">City</string>
+           </property>
+          </widget>
+         </item>
+         <item row="4" column="0">
+          <widget class="QLabel" name="label_12">
+           <property name="text">
+            <string>&lt;b&gt;Locality:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
+       <widget class="QWidget" name="issuerTab">
+        <attribute name="title">
+         <string>Issuer</string>
+        </attribute>
+        <layout class="QGridLayout" name="gridLayout_3">
+         <item row="0" column="0">
+          <widget class="QLabel" name="label_17">
+           <property name="text">
+            <string>&lt;b&gt;Common name:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="0" column="1">
+          <widget class="QLabel" name="issuerCommonName">
+           <property name="text">
+            <string notr="true">Common Name</string>
+           </property>
+          </widget>
+         </item>
+         <item row="1" column="0">
+          <widget class="QLabel" name="label_18">
+           <property name="text">
+            <string>&lt;b&gt;Organization:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="1" column="1">
+          <widget class="QLabel" name="issuerOrganization">
+           <property name="text">
+            <string notr="true">Organization</string>
+           </property>
+          </widget>
+         </item>
+         <item row="2" column="0">
+          <widget class="QLabel" name="label_13">
+           <property name="text">
+            <string>&lt;b&gt;Organizational unit:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="2" column="1">
+          <widget class="QLabel" name="issuerOrganizationalUnit">
+           <property name="text">
+            <string notr="true">Organizational Unit</string>
+           </property>
+          </widget>
+         </item>
+         <item row="5" column="0">
+          <widget class="QLabel" name="label_15">
+           <property name="text">
+            <string>&lt;b&gt;Country:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="5" column="1">
+          <widget class="QLabel" name="issuerCountry">
+           <property name="text">
+            <string notr="true">Country</string>
+           </property>
+          </widget>
+         </item>
+         <item row="6" column="0">
+          <widget class="QLabel" name="label_16">
+           <property name="text">
+            <string>&lt;b&gt;State or province:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="6" column="1">
+          <widget class="QLabel" name="issuerState">
+           <property name="text">
+            <string notr="true">State</string>
+           </property>
+          </widget>
+         </item>
+         <item row="5" column="2">
+          <spacer name="horizontalSpacer_3">
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>40</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+         <item row="4" column="1">
+          <widget class="QLabel" name="issuerCity">
+           <property name="text">
+            <string notr="true">City</string>
+           </property>
+          </widget>
+         </item>
+         <item row="4" column="0">
+          <widget class="QLabel" name="label_14">
+           <property name="text">
+            <string>&lt;b&gt;Locality:&lt;/b&gt;</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
+      </widget>
+     </item>
+     <item row="7" column="0">
+      <widget class="QLabel" name="label_20">
+       <property name="text">
+        <string>&lt;b&gt;Validity period:&lt;/b&gt;</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+       </property>
+      </widget>
+     </item>
+     <item row="7" column="1">
+      <widget class="QLabel" name="validity">
+       <property name="text">
+        <string notr="true">n/a</string>
+       </property>
+      </widget>
+     </item>
+     <item row="8" column="0">
+      <widget class="QLabel" name="label_22">
+       <property name="text">
+        <string>&lt;b&gt;MD5 digest:&lt;/b&gt;</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+       </property>
+      </widget>
+     </item>
+     <item row="8" column="1">
+      <widget class="QLabel" name="md5Digest">
+       <property name="text">
+        <string notr="true">n/a</string>
+       </property>
+      </widget>
+     </item>
+     <item row="9" column="0">
+      <widget class="QLabel" name="label_23">
+       <property name="text">
+        <string>&lt;b&gt;SHA1 digest:&lt;/b&gt;</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+       </property>
+      </widget>
+     </item>
+     <item row="9" column="1">
+      <widget class="QLabel" name="sha1Digest">
+       <property name="text">
+        <string notr="true">n/a</string>
+       </property>
+      </widget>
+     </item>
+     <item row="4" column="2" colspan="2">
+      <spacer name="horizontalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item row="10" column="0">
+      <widget class="QLabel" name="label_19">
+       <property name="text">
+        <string>&lt;b&gt;Trusted:&lt;/b&gt;</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignRight|Qt::AlignTop|Qt::AlignTrailing</set>
+       </property>
+      </widget>
+     </item>
+     <item row="10" column="1">
+      <widget class="QLabel" name="trusted">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string notr="true">n/a</string>
+       </property>
+       <property name="wordWrap">
+        <bool>false</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Close</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>SslInfoDlg</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>SslInfoDlg</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>