Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 807 insertions, 0 deletions

diff --git a/kmail/kmtransport.cpp b/kmail/kmtransport.cpp
new file mode 100644
index 00000000..60e56d19
--- /dev/null
+++ b/kmail/kmtransport.cpp
@@ -0,0 +1,807 @@
+/**
+ * kmtransport.cpp
+ *
+ * Copyright (c) 2001-2002 Michael Haeckel <haeckel@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation
+ *
+ *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <config.h>
+#include <assert.h>
+
+#include "kmtransport.h"
+
+#include <qbuttongroup.h>
+#include <qcheckbox.h>
+#include <qlayout.h>
+#include <klineedit.h>
+#include <qradiobutton.h>
+#include <qtabwidget.h>
+#include <qvalidator.h>
+#include <qlabel.h>
+#include <qpushbutton.h>
+#include <qwhatsthis.h>
+
+#include <kfiledialog.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kseparator.h>
+#include <kdebug.h>
+#include <kwallet.h>
+using KWallet::Wallet;
+#include <kprotocolinfo.h>
+
+#include "kmkernel.h"
+#include "kmservertest.h"
+#include "kmaccount.h"
+#include "protocols.h"
+#include "transportmanager.h"
+using namespace KMail;
+
+KMTransportInfo::KMTransportInfo() : mPasswdDirty( false ),
+  mStorePasswd( false ), mStorePasswdInConfig( false ), mId( 0 )
+{
+  name = i18n("Unnamed");
+  port = "25";
+  auth = false;
+  specifyHostname = false;
+}
+
+
+KMTransportInfo::~KMTransportInfo()
+{
+}
+
+
+void KMTransportInfo::readConfig(int id)
+{
+  KConfig *config = KMKernel::config();
+  KConfigGroupSaver saver(config, "Transport " + QString::number(id));
+  mId = config->readUnsignedNumEntry( "id", 0 );
+  type = config->readEntry("type", "smtp");
+  name = config->readEntry("name", i18n("Unnamed"));
+  host = config->readEntry("host", "localhost");
+  port = config->readEntry("port", "25");
+  user = config->readEntry("user");
+  mPasswd = KMAccount::decryptStr(config->readEntry("pass"));
+  precommand = config->readPathEntry("precommand");
+  encryption = config->readEntry("encryption");
+  authType = config->readEntry("authtype");
+  auth = config->readBoolEntry("auth");
+  mStorePasswd = config->readBoolEntry("storepass");
+  specifyHostname = config->readBoolEntry("specifyHostname", false);
+  localHostname = config->readEntry("localHostname");
+
+  if ( !storePasswd() )
+    return;
+
+  if ( !mPasswd.isEmpty() ) {
+    // migration to kwallet if available
+    if ( Wallet::isEnabled() ) {
+      config->deleteEntry( "pass" );
+      mPasswdDirty = true;
+      mStorePasswdInConfig = false;
+      writeConfig( id );
+    } else
+      mStorePasswdInConfig = true;
+  } else {
+    // read password if wallet is open, defer otherwise
+    if ( Wallet::isOpen( Wallet::NetworkWallet() ) )
+      readPassword();
+  }
+}
+
+
+void KMTransportInfo::writeConfig(int id)
+{
+  KConfig *config = KMKernel::config();
+  KConfigGroupSaver saver(config, "Transport " + QString::number(id));
+  if (!mId)
+    mId = TransportManager::createId();
+  config->writeEntry("id", mId);
+  config->writeEntry("type", type);
+  config->writeEntry("name", name);
+  config->writeEntry("host", host);
+  config->writeEntry("port", port);
+  config->writeEntry("user", user);
+  config->writePathEntry("precommand", precommand);
+  config->writeEntry("encryption", encryption);
+  config->writeEntry("authtype", authType);
+  config->writeEntry("auth", auth);
+  config->writeEntry("storepass", storePasswd());
+  config->writeEntry("specifyHostname", specifyHostname);
+  config->writeEntry("localHostname", localHostname);
+
+  if ( storePasswd() ) {
+    // write password into the wallet if possible and necessary
+    bool passwdStored = false;
+    Wallet *wallet = kmkernel->wallet();
+    if ( mPasswdDirty ) {
+      if ( wallet && wallet->writePassword( "transport-" + QString::number(mId), passwd() ) == 0 ) {
+        passwdStored = true;
+        mPasswdDirty = false;
+        mStorePasswdInConfig = false;
+      }
+    } else {
+      passwdStored = wallet ? !mStorePasswdInConfig /*already in the wallet*/ : config->hasKey("pass");
+    }
+    // wallet not available, ask the user if we should use the config file instead
+    if ( !passwdStored && ( mStorePasswdInConfig ||  KMessageBox::warningYesNo( 0,
+         i18n("KWallet is not available. It is strongly recommended to use "
+              "KWallet for managing your passwords.\n"
+              "However, KMail can store the password in its configuration "
+              "file instead. The password is stored in an obfuscated format, "
+              "but should not be considered secure from decryption efforts "
+              "if access to the configuration file is obtained.\n"
+              "Do you want to store the password for account '%1' in the "
+              "configuration file?").arg( name ),
+         i18n("KWallet Not Available"),
+         KGuiItem( i18n("Store Password") ),
+         KGuiItem( i18n("Do Not Store Password") ) )
+         == KMessageBox::Yes ) ) {
+      config->writeEntry( "pass", KMAccount::encryptStr( passwd() ) );
+      mStorePasswdInConfig = true;
+    }
+  }
+
+  // delete already stored password if password storage is disabled
+  if ( !storePasswd() ) {
+    if ( !Wallet::keyDoesNotExist(
+          Wallet::NetworkWallet(), "kmail", "transport-" + QString::number(mId) ) ) {
+      Wallet *wallet = kmkernel->wallet();
+      if ( wallet )
+        wallet->removeEntry( "transport-" + QString::number(mId) );
+    }
+    config->deleteEntry( "pass" );
+  }
+}
+
+
+int KMTransportInfo::findTransport(const QString &name)
+{
+  KConfig *config = KMKernel::config();
+  KConfigGroupSaver saver(config, "General");
+  int numTransports = config->readNumEntry("transports", 0);
+  for (int i = 1; i <= numTransports; i++)
+  {
+    KConfigGroupSaver saver(config, "Transport " + QString::number(i));
+    if (config->readEntry("name") == name) return i;
+  }
+  return 0;
+}
+
+
+QStringList KMTransportInfo::availableTransports()
+{
+  QStringList result;
+  KConfig *config = KMKernel::config();
+  KConfigGroupSaver saver(config, "General");
+  int numTransports = config->readNumEntry("transports", 0);
+  for (int i = 1; i <= numTransports; i++)
+  {
+    KConfigGroupSaver saver(config, "Transport " + QString::number(i));
+    result.append(config->readEntry("name"));
+  }
+  return result;
+}
+
+
+QString KMTransportInfo::passwd() const
+{
+  if ( auth && storePasswd() && mPasswd.isEmpty() )
+    readPassword();
+  return mPasswd;
+}
+
+
+void KMTransportInfo::setPasswd( const QString &passwd )
+{
+  if ( passwd != mPasswd ) {
+    mPasswd = passwd;
+    mPasswdDirty = true;
+  }
+}
+
+
+void KMTransportInfo::setStorePasswd( bool store )
+{
+  if ( mStorePasswd != store && store )
+    mPasswdDirty = true;
+  mStorePasswd = store;
+}
+
+
+void KMTransportInfo::readPassword() const
+{
+  if ( !storePasswd() || !auth )
+    return;
+
+  // ### workaround for broken Wallet::keyDoesNotExist() which returns wrong
+  // results for new entries without closing and reopening the wallet
+  if ( Wallet::isOpen( Wallet::NetworkWallet() ) ) {
+    Wallet* wallet = kmkernel->wallet();
+    if ( !wallet || !wallet->hasEntry( "transport-" + QString::number(mId) ) )
+      return;
+  } else {
+    if ( Wallet::keyDoesNotExist( Wallet::NetworkWallet(), "kmail", "transport-" + QString::number(mId) ) )
+      return;
+  }
+
+  if ( kmkernel->wallet() )
+    kmkernel->wallet()->readPassword( "transport-" + QString::number(mId), mPasswd );
+}
+
+
+KMTransportSelDlg::KMTransportSelDlg( QWidget *parent, const char *name,
+  bool modal )
+  : KDialogBase( parent, name, modal, i18n("Add Transport"), Ok|Cancel, Ok )
+{
+  QFrame *page = makeMainWidget();
+  QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );
+
+  QButtonGroup *group = new QButtonGroup( i18n("Transport"), page );
+  connect(group, SIGNAL(clicked(int)), SLOT(buttonClicked(int)) );
+
+  topLayout->addWidget( group, 10 );
+  QVBoxLayout *vlay = new QVBoxLayout( group, spacingHint()*2, spacingHint() );
+  vlay->addSpacing( fontMetrics().lineSpacing() );
+
+  QRadioButton *radioButton1 = new QRadioButton( i18n("SM&TP"), group );
+  vlay->addWidget( radioButton1 );
+  QRadioButton *radioButton2 = new QRadioButton( i18n("&Sendmail"), group );
+  vlay->addWidget( radioButton2 );
+
+  vlay->addStretch( 10 );
+
+  radioButton1->setChecked(true); // Pop is most common ?
+  buttonClicked(0);
+}
+
+void KMTransportSelDlg::buttonClicked( int id )
+{
+  mSelectedButton = id;
+}
+
+
+int KMTransportSelDlg::selected( void ) const
+{
+  return mSelectedButton;
+}
+
+
+KMTransportDialog::KMTransportDialog( const QString & caption,
+				      KMTransportInfo *transportInfo,
+				      QWidget *parent, const char *name,
+				      bool modal )
+  : KDialogBase( parent, name, modal, caption, Ok|Cancel, Ok, true ),
+    mServerTest( 0 ),
+    mTransportInfo( transportInfo ),
+    mAuthNone( AllAuth ), mAuthSSL( AllAuth ), mAuthTLS( AllAuth )
+{
+  assert(transportInfo != 0);
+
+  if( transportInfo->type == QString::fromLatin1("sendmail") )
+  {
+    makeSendmailPage();
+  } else {
+    makeSmtpPage();
+  }
+
+  setupSettings();
+}
+
+
+KMTransportDialog::~KMTransportDialog()
+{
+}
+
+
+void KMTransportDialog::makeSendmailPage()
+{
+  QFrame *page = makeMainWidget();
+  QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );
+
+  mSendmail.titleLabel = new QLabel( page );
+  mSendmail.titleLabel->setText( i18n("Transport: Sendmail") );
+  QFont titleFont( mSendmail.titleLabel->font() );
+  titleFont.setBold( true );
+  mSendmail.titleLabel->setFont( titleFont );
+  topLayout->addWidget( mSendmail.titleLabel );
+  KSeparator *hline = new KSeparator( KSeparator::HLine, page);
+  topLayout->addWidget( hline );
+
+  QGridLayout *grid = new QGridLayout( topLayout, 3, 3, spacingHint() );
+  grid->addColSpacing( 1, fontMetrics().maxWidth()*15 );
+  grid->setRowStretch( 2, 10 );
+  grid->setColStretch( 1, 10 );
+
+  QLabel *label = new QLabel( i18n("&Name:"), page );
+  grid->addWidget( label, 0, 0 );
+  mSendmail.nameEdit = new KLineEdit( page );
+  label->setBuddy( mSendmail.nameEdit );
+  grid->addWidget( mSendmail.nameEdit, 0, 1 );
+
+  label = new QLabel( i18n("&Location:"), page );
+  grid->addWidget( label, 1, 0 );
+  mSendmail.locationEdit = new KLineEdit( page );
+  label->setBuddy(mSendmail.locationEdit);
+  grid->addWidget( mSendmail.locationEdit, 1, 1 );
+  mSendmail.chooseButton =
+    new QPushButton( i18n("Choos&e..."), page );
+  connect( mSendmail.chooseButton, SIGNAL(clicked()),
+           this, SLOT(slotSendmailChooser()) );
+
+  connect( mSendmail.locationEdit, SIGNAL(textChanged ( const QString & )),
+           this, SLOT(slotSendmailEditPath(const QString &)) );
+
+  mSendmail.chooseButton->setAutoDefault( false );
+  grid->addWidget( mSendmail.chooseButton, 1, 2 );
+  slotSendmailEditPath(mSendmail.locationEdit->text());
+}
+
+void KMTransportDialog::slotSendmailEditPath(const QString & _text)
+{
+  enableButtonOK( !_text.isEmpty() );
+}
+
+void KMTransportDialog::makeSmtpPage()
+{
+  QFrame *page = makeMainWidget();
+  QVBoxLayout *topLayout = new QVBoxLayout( page, 0, spacingHint() );
+
+  mSmtp.titleLabel = new QLabel( page );
+  mSmtp.titleLabel->setText( i18n("Transport: SMTP") );
+  QFont titleFont( mSmtp.titleLabel->font() );
+  titleFont.setBold( true );
+  mSmtp.titleLabel->setFont( titleFont );
+  topLayout->addWidget( mSmtp.titleLabel );
+  KSeparator *hline = new KSeparator( KSeparator::HLine, page);
+  topLayout->addWidget( hline );
+
+  QTabWidget *tabWidget = new QTabWidget(page);
+  topLayout->addWidget( tabWidget );
+
+  QWidget *page1 = new QWidget( tabWidget );
+  tabWidget->addTab( page1, i18n("&General") );
+
+  QGridLayout *grid = new QGridLayout( page1, 14, 2, spacingHint() );
+  grid->addColSpacing( 1, fontMetrics().maxWidth()*15 );
+  grid->setRowStretch( 13, 10 );
+  grid->setColStretch( 1, 10 );
+
+  QLabel *label = new QLabel( i18n("&Name:"), page1 );
+  grid->addWidget( label, 0, 0 );
+  mSmtp.nameEdit = new KLineEdit( page1 );
+  QWhatsThis::add(mSmtp.nameEdit,
+                  i18n("The name that KMail will use when "
+                       "referring to this server."));
+  label->setBuddy( mSmtp.nameEdit );
+  grid->addWidget( mSmtp.nameEdit, 0, 1 );
+
+  label = new QLabel( i18n("&Host:"), page1 );
+  grid->addWidget( label, 3, 0 );
+  mSmtp.hostEdit = new KLineEdit( page1 );
+  QWhatsThis::add(mSmtp.hostEdit,
+                  i18n("The domain name or numerical address "
+                       "of the SMTP server."));
+  label->setBuddy( mSmtp.hostEdit );
+  grid->addWidget( mSmtp.hostEdit, 3, 1 );
+
+  label = new QLabel( i18n("&Port:"), page1 );
+  grid->addWidget( label, 4, 0 );
+  mSmtp.portEdit = new KLineEdit( page1 );
+  mSmtp.portEdit->setValidator( new QIntValidator(this) );
+  QWhatsThis::add(mSmtp.portEdit,
+                  i18n("The port number that the SMTP server "
+                       "is listening on. The default port is 25."));
+  label->setBuddy( mSmtp.portEdit );
+  grid->addWidget( mSmtp.portEdit, 4, 1 );
+
+  label = new QLabel( i18n("Preco&mmand:"), page1 );
+  grid->addWidget( label, 5, 0 );
+  mSmtp.precommand = new KLineEdit( page1 );
+  QWhatsThis::add(mSmtp.precommand,
+                  i18n("A command to run locally, prior "
+                       "to sending email. This can be used "
+                       "to set up ssh tunnels, for example. "
+                       "Leave it empty if no command should be run."));
+  label->setBuddy(mSmtp.precommand);
+  grid->addWidget( mSmtp.precommand, 5, 1 );
+
+  QFrame* line = new QFrame( page1 );
+  line->setFrameStyle( QFrame::HLine | QFrame::Plain );
+  grid->addMultiCellWidget( line, 6, 6, 0, 1 );
+
+  mSmtp.authCheck =
+    new QCheckBox( i18n("Server &requires authentication"), page1 );
+  QWhatsThis::add(mSmtp.authCheck,
+                  i18n("Check this option if your SMTP server "
+                       "requires authentication before accepting "
+                       "mail. This is known as "
+                       "'Authenticated SMTP' or simply ASMTP."));
+  connect(mSmtp.authCheck, SIGNAL(clicked()),
+          SLOT(slotRequiresAuthClicked()));
+  grid->addMultiCellWidget( mSmtp.authCheck, 7, 7, 0, 1 );
+
+  mSmtp.loginLabel = new QLabel( i18n("&Login:"), page1 );
+  grid->addWidget( mSmtp.loginLabel, 8, 0 );
+  mSmtp.loginEdit = new KLineEdit( page1 );
+  mSmtp.loginLabel->setBuddy( mSmtp.loginEdit );
+  QWhatsThis::add(mSmtp.loginEdit,
+                  i18n("The user name to send to the server "
+                       "for authorization"));
+  grid->addWidget( mSmtp.loginEdit, 8, 1 );
+
+  mSmtp.passwordLabel = new QLabel( i18n("P&assword:"), page1 );
+  grid->addWidget( mSmtp.passwordLabel, 9, 0 );
+  mSmtp.passwordEdit = new KLineEdit( page1 );
+  mSmtp.passwordEdit->setEchoMode( QLineEdit::Password );
+  mSmtp.passwordLabel->setBuddy( mSmtp.passwordEdit );
+  QWhatsThis::add(mSmtp.passwordEdit,
+                  i18n("The password to send to the server "
+                       "for authorization"));
+  grid->addWidget( mSmtp.passwordEdit, 9, 1 );
+
+  mSmtp.storePasswordCheck =
+    new QCheckBox( i18n("&Store SMTP password"), page1 );
+  QWhatsThis::add(mSmtp.storePasswordCheck,
+                  i18n("Check this option to have KMail store "
+                  "the password.\nIf KWallet is available "
+                  "the password will be stored there which is considered "
+                  "safe.\nHowever, if KWallet is not available, "
+                  "the password will be stored in KMail's configuration "
+                  "file. The password is stored in an "
+                  "obfuscated format, but should not be "
+                  "considered secure from decryption efforts "
+                  "if access to the configuration file is obtained."));
+  grid->addMultiCellWidget( mSmtp.storePasswordCheck, 10, 10, 0, 1 );
+
+  line = new QFrame( page1 );
+  line->setFrameStyle( QFrame::HLine | QFrame::Plain );
+  grid->addMultiCellWidget( line, 11, 11, 0, 1 );
+
+  mSmtp.specifyHostnameCheck =
+    new QCheckBox( i18n("Sen&d custom hostname to server"), page1 );
+  grid->addMultiCellWidget( mSmtp.specifyHostnameCheck, 12, 12, 0, 1 );
+  QWhatsThis::add(mSmtp.specifyHostnameCheck,
+                  i18n("Check this option to have KMail use "
+                       "a custom hostname when identifying itself "
+                       "to the mail server."
+                       "<p>This is useful when your system's hostname "
+                       "may not be set correctly or to mask your "
+                       "system's true hostname."));
+
+  mSmtp.localHostnameLabel = new QLabel( i18n("Hos&tname:"), page1 );
+  grid->addWidget( mSmtp.localHostnameLabel, 13, 0);
+  mSmtp.localHostnameEdit = new KLineEdit( page1 );
+  QWhatsThis::add(mSmtp.localHostnameEdit,
+                  i18n("Enter the hostname KMail should use when "
+                       "identifying itself to the server."));
+  mSmtp.localHostnameLabel->setBuddy( mSmtp.localHostnameEdit );
+  grid->addWidget( mSmtp.localHostnameEdit, 13, 1 );
+  connect( mSmtp.specifyHostnameCheck, SIGNAL(toggled(bool)),
+           mSmtp.localHostnameEdit, SLOT(setEnabled(bool)));
+  connect( mSmtp.specifyHostnameCheck, SIGNAL(toggled(bool)),
+           mSmtp.localHostnameLabel, SLOT(setEnabled(bool)));
+
+  QWidget *page2 = new QWidget( tabWidget );
+  tabWidget->addTab( page2, i18n("S&ecurity") );
+  QVBoxLayout *vlay = new QVBoxLayout( page2, spacingHint() );
+  mSmtp.encryptionGroup = new QButtonGroup( 1, Qt::Horizontal,
+    i18n("Encryption"), page2 );
+  mSmtp.encryptionNone =
+    new QRadioButton( i18n("&None"), mSmtp.encryptionGroup );
+  mSmtp.encryptionSSL =
+    new QRadioButton( i18n("&SSL"), mSmtp.encryptionGroup );
+  mSmtp.encryptionTLS =
+    new QRadioButton( i18n("&TLS"), mSmtp.encryptionGroup );
+  connect(mSmtp.encryptionGroup, SIGNAL(clicked(int)),
+    SLOT(slotSmtpEncryptionChanged(int)));
+  vlay->addWidget( mSmtp.encryptionGroup );
+
+  mSmtp.authGroup = new QButtonGroup( 1, Qt::Horizontal,
+    i18n("Authentication Method"), page2 );
+  mSmtp.authLogin = new QRadioButton( i18n("Please translate this "
+    "authentication method only if you have a good reason", "&LOGIN"),
+    mSmtp.authGroup );
+  mSmtp.authPlain = new QRadioButton( i18n("Please translate this "
+    "authentication method only if you have a good reason", "&PLAIN"),
+    mSmtp.authGroup  );
+  mSmtp.authCramMd5 = new QRadioButton( i18n("CRAM-MD&5"), mSmtp.authGroup );
+  mSmtp.authDigestMd5 = new QRadioButton( i18n("&DIGEST-MD5"), mSmtp.authGroup );
+  mSmtp.authNTLM = new QRadioButton( i18n("&NTLM"), mSmtp.authGroup );
+  mSmtp.authGSSAPI = new QRadioButton( i18n("&GSSAPI"), mSmtp.authGroup );
+  if ( KProtocolInfo::capabilities("smtp").contains("SASL") == 0 ) {
+    mSmtp.authNTLM->hide();
+    mSmtp.authGSSAPI->hide();
+  }
+  vlay->addWidget( mSmtp.authGroup );
+
+  vlay->addStretch();
+
+  QHBoxLayout *buttonLay = new QHBoxLayout( vlay );
+  mSmtp.checkCapabilities =
+    new QPushButton( i18n("Check &What the Server Supports"), page2 );
+  connect(mSmtp.checkCapabilities, SIGNAL(clicked()),
+    SLOT(slotCheckSmtpCapabilities()));
+  buttonLay->addStretch();
+  buttonLay->addWidget( mSmtp.checkCapabilities );
+}
+
+
+void KMTransportDialog::setupSettings()
+{
+  if (mTransportInfo->type == "sendmail")
+  {
+    mSendmail.nameEdit->setText(mTransportInfo->name);
+    mSendmail.locationEdit->setText(mTransportInfo->host);
+  } else {
+    mSmtp.nameEdit->setText(mTransportInfo->name);
+    mSmtp.hostEdit->setText(mTransportInfo->host);
+    mSmtp.portEdit->setText(mTransportInfo->port);
+    mSmtp.authCheck->setChecked(mTransportInfo->auth);
+    mSmtp.loginEdit->setText(mTransportInfo->user);
+    mSmtp.passwordEdit->setText(mTransportInfo->passwd());
+    mSmtp.storePasswordCheck->setChecked(mTransportInfo->storePasswd());
+    mSmtp.precommand->setText(mTransportInfo->precommand);
+    mSmtp.specifyHostnameCheck->setChecked(mTransportInfo->specifyHostname);
+    mSmtp.localHostnameEdit->setText(mTransportInfo->localHostname);
+
+    if (mTransportInfo->encryption == "TLS")
+      mSmtp.encryptionTLS->setChecked(true);
+    else if (mTransportInfo->encryption == "SSL")
+      mSmtp.encryptionSSL->setChecked(true);
+    else mSmtp.encryptionNone->setChecked(true);
+
+    if (mTransportInfo->authType == "LOGIN")
+      mSmtp.authLogin->setChecked(true);
+    else if (mTransportInfo->authType == "CRAM-MD5")
+      mSmtp.authCramMd5->setChecked(true);
+    else if (mTransportInfo->authType == "DIGEST-MD5")
+      mSmtp.authDigestMd5->setChecked(true);
+    else if (mTransportInfo->authType == "NTLM")
+      mSmtp.authNTLM->setChecked(true);
+    else if (mTransportInfo->authType == "GSSAPI")
+      mSmtp.authGSSAPI->setChecked(true);
+    else mSmtp.authPlain->setChecked(true);
+
+    slotRequiresAuthClicked();
+    mSmtp.localHostnameEdit->setEnabled(mTransportInfo->specifyHostname);
+    mSmtp.localHostnameLabel->setEnabled(mTransportInfo->specifyHostname);
+  }
+}
+
+
+void KMTransportDialog::saveSettings()
+{
+  if (mTransportInfo->type == "sendmail")
+  {
+    mTransportInfo->name = mSendmail.nameEdit->text().stripWhiteSpace();
+    mTransportInfo->host = mSendmail.locationEdit->text().stripWhiteSpace();
+  } else {
+    mTransportInfo->name = mSmtp.nameEdit->text();
+    mTransportInfo->host = mSmtp.hostEdit->text().stripWhiteSpace();
+    mTransportInfo->port = mSmtp.portEdit->text().stripWhiteSpace();
+    mTransportInfo->auth = mSmtp.authCheck->isChecked();
+    mTransportInfo->user = mSmtp.loginEdit->text().stripWhiteSpace();
+    mTransportInfo->setPasswd( mSmtp.passwordEdit->text() );
+    mTransportInfo->setStorePasswd( mSmtp.storePasswordCheck->isChecked() );
+    mTransportInfo->precommand = mSmtp.precommand->text().stripWhiteSpace();
+    mTransportInfo->specifyHostname = mSmtp.specifyHostnameCheck->isChecked();
+    mTransportInfo->localHostname = mSmtp.localHostnameEdit->text().stripWhiteSpace();
+
+    mTransportInfo->encryption = (mSmtp.encryptionTLS->isChecked()) ? "TLS" :
+    (mSmtp.encryptionSSL->isChecked()) ? "SSL" : "NONE";
+
+    mTransportInfo->authType = (mSmtp.authLogin->isChecked()) ? "LOGIN" :
+    (mSmtp.authCramMd5->isChecked()) ? "CRAM-MD5" :
+    (mSmtp.authDigestMd5->isChecked()) ? "DIGEST-MD5" :
+    (mSmtp.authNTLM->isChecked()) ? "NTLM" :
+    (mSmtp.authGSSAPI->isChecked()) ? "GSSAPI" : "PLAIN";
+  }
+}
+
+
+void KMTransportDialog::slotSendmailChooser()
+{
+  KFileDialog dialog("/", QString::null, this, 0, true );
+  dialog.setCaption(i18n("Choose sendmail Location") );
+
+  if( dialog.exec() == QDialog::Accepted )
+  {
+    KURL url = dialog.selectedURL();
+    if( url.isEmpty() == true )
+    {
+      return;
+    }
+
+    if( url.isLocalFile() == false )
+    {
+      KMessageBox::sorry( 0, i18n( "Only local files allowed." ) );
+      return;
+    }
+
+    mSendmail.locationEdit->setText( url.path() );
+  }
+}
+
+
+void KMTransportDialog::slotRequiresAuthClicked()
+{
+  bool b = mSmtp.authCheck->isChecked();
+  mSmtp.loginLabel->setEnabled(b);
+  mSmtp.loginEdit->setEnabled(b);
+  mSmtp.passwordLabel->setEnabled(b);
+  mSmtp.passwordEdit->setEnabled(b);
+  mSmtp.storePasswordCheck->setEnabled(b);
+  mSmtp.authGroup->setEnabled(b);
+}
+
+
+void KMTransportDialog::slotSmtpEncryptionChanged(int id)
+{
+  kdDebug(5006) << "KMTransportDialog::slotSmtpEncryptionChanged( " << id << " )" << endl;
+  // adjust SSL port:
+  if (id == SSL || mSmtp.portEdit->text() == "465")
+    mSmtp.portEdit->setText((id == SSL) ? "465" : "25");
+
+  // switch supported auth methods:
+  QButton * old = mSmtp.authGroup->selected();
+  int authMethods = id == TLS ? mAuthTLS : id == SSL ? mAuthSSL : mAuthNone ;
+  enableAuthMethods( authMethods );
+  if ( !old->isEnabled() )
+    checkHighest( mSmtp.authGroup );
+}
+
+void KMTransportDialog::enableAuthMethods( unsigned int auth ) {
+  kdDebug(5006) << "KMTransportDialog::enableAuthMethods( " << auth << " )" << endl;
+  mSmtp.authPlain->setEnabled( auth & PLAIN );
+  // LOGIN doesn't offer anything over PLAIN, requires more server
+  // roundtrips and is not an official SASL mechanism, but a MS-ism,
+  // so only enable it if PLAIN isn't available:
+  mSmtp.authLogin->setEnabled( auth & LOGIN && !(auth & PLAIN));
+  mSmtp.authCramMd5->setEnabled( auth & CRAM_MD5 );
+  mSmtp.authDigestMd5->setEnabled( auth & DIGEST_MD5 );
+  mSmtp.authNTLM->setEnabled( auth & NTLM );
+  mSmtp.authGSSAPI->setEnabled( auth & GSSAPI );
+}
+
+unsigned int KMTransportDialog::authMethodsFromString( const QString & s ) {
+  unsigned int result = 0;
+  QStringList sl = QStringList::split( '\n', s.upper() );
+  for ( QStringList::const_iterator it = sl.begin() ; it != sl.end() ; ++it )
+    if (  *it == "SASL/LOGIN" )
+      result |= LOGIN;
+    else if ( *it == "SASL/PLAIN" )
+      result |= PLAIN;
+    else if ( *it == "SASL/CRAM-MD5" )
+      result |= CRAM_MD5;
+    else if ( *it == "SASL/DIGEST-MD5" )
+      result |= DIGEST_MD5;
+    else if ( *it == "SASL/NTLM" )
+      result |= NTLM;
+    else if ( *it == "SASL/GSSAPI" )
+      result |= GSSAPI;
+  return result;
+}
+
+unsigned int KMTransportDialog::authMethodsFromStringList( const QStringList & sl ) {
+  unsigned int result = 0;
+  for ( QStringList::const_iterator it = sl.begin() ; it != sl.end() ; ++it )
+    if ( *it == "LOGIN" )
+      result |= LOGIN;
+    else if ( *it == "PLAIN" )
+      result |= PLAIN;
+    else if ( *it == "CRAM-MD5" )
+      result |= CRAM_MD5;
+    else if ( *it == "DIGEST-MD5" )
+      result |= DIGEST_MD5;
+    else if ( *it == "NTLM" )
+      result |= NTLM;
+    else if ( *it == "GSSAPI" )
+      result |= GSSAPI;
+  return result;
+}
+
+void KMTransportDialog::slotCheckSmtpCapabilities()
+{
+  delete mServerTest;
+  mServerTest = new KMServerTest(SMTP_PROTOCOL, mSmtp.hostEdit->text(),
+    mSmtp.portEdit->text().toInt());
+  connect( mServerTest,
+           SIGNAL( capabilities( const QStringList &, const QStringList &,
+                                 const QString &, const QString &,
+                                 const QString & )),
+           this,
+           SLOT( slotSmtpCapabilities( const QStringList &,
+                                       const QStringList &, const QString &,
+                                       const QString &, const QString & ) ) );
+  mSmtp.checkCapabilities->setEnabled(false);
+}
+
+
+void KMTransportDialog::checkHighest(QButtonGroup *btnGroup)
+{
+  for ( int i = btnGroup->count() - 1; i >= 0 ; --i )
+  {
+    QButton * btn = btnGroup->find(i);
+    if (btn && btn->isEnabled())
+    {
+      btn->animateClick();
+      return;
+    }
+  }
+}
+
+
+void KMTransportDialog::slotSmtpCapabilities( const QStringList & capaNormal,
+                                              const QStringList & capaSSL,
+                                              const QString & authNone,
+                                              const QString & authSSL,
+                                              const QString & authTLS )
+{
+  mSmtp.checkCapabilities->setEnabled( true );
+  kdDebug(5006) << "KMTransportDialog::slotSmtpCapabilities( ..., "
+	    << authNone << ", " << authSSL << ", " << authTLS << " )" << endl;
+  mSmtp.encryptionNone->setEnabled( !capaNormal.isEmpty() );
+  mSmtp.encryptionSSL->setEnabled( !capaSSL.isEmpty() );
+  mSmtp.encryptionTLS->setEnabled( capaNormal.findIndex("STARTTLS") != -1 );
+  if ( authNone.isEmpty() && authSSL.isEmpty() && authTLS.isEmpty() ) {
+    // slave doesn't seem to support "* AUTH METHODS" metadata (or server can't do AUTH)
+    mAuthNone = authMethodsFromStringList( capaNormal );
+    if ( mSmtp.encryptionTLS->isEnabled() )
+      mAuthTLS = mAuthNone;
+    else
+      mAuthTLS = 0;
+    mAuthSSL = authMethodsFromStringList( capaSSL );
+  }
+  else {
+    mAuthNone = authMethodsFromString( authNone );
+    mAuthSSL = authMethodsFromString( authSSL );
+    mAuthTLS = authMethodsFromString( authTLS );
+  }
+  kdDebug(5006) << "mAuthNone = " << mAuthNone
+                << "; mAuthSSL = " << mAuthSSL
+                << "; mAuthTLS = " << mAuthTLS << endl;
+  checkHighest( mSmtp.encryptionGroup );
+  delete mServerTest;
+  mServerTest = 0;
+}
+bool KMTransportDialog::sanityCheckSmtpInput()
+{
+  // FIXME: add additional checks for all fields that needs it
+  // this is only the beginning
+  if ( mSmtp.hostEdit->text().isEmpty() ) {
+    QString errorMsg = i18n("The Host field cannot be empty. Please  "
+                            "enter the name or the IP address of the SMTP server.");
+    KMessageBox::sorry( this, errorMsg, i18n("Invalid Hostname or Address") );
+    return false;
+  }
+  return true;
+}
+
+void KMTransportDialog::slotOk()
+{
+  if (mTransportInfo->type != "sendmail") {
+    if( !sanityCheckSmtpInput() ) {
+      return;
+    }
+  }
+
+  saveSettings();
+  accept();
+}
+
+
+#include "kmtransport.moc"