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/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

8 files changed, 2325 insertions, 0 deletions

diff --git a/kdmlib/Makefile.am b/kdmlib/Makefile.am
new file mode 100644
index 000000000..91218a8c3
--- /dev/null
+++ b/kdmlib/Makefile.am
@@ -0,0 +1,26 @@
+AM_CPPFLAGS = -I$(top_srcdir)/kdm/kfrontend $(all_includes)
+
+kde_module_LTLIBRARIES = kgreet_classic.la kgreet_winbind.la
+
+kgreet_classic_la_SOURCES = kgreet_classic.cpp
+kgreet_classic_la_LDFLAGS = -module -no-undefined $(KDE_PLUGIN) $(all_libraries)
+kgreet_classic_la_LIBADD = $(LIB_KDEUI)
+
+kgreet_winbind_la_SOURCES = kgreet_winbind.cpp
+kgreet_winbind_la_LDFLAGS = -module -no-undefined $(KDE_PLUGIN) $(all_libraries)
+kgreet_winbind_la_LIBADD = $(LIB_KDEUI)
+
+noinst_LTLIBRARIES = libdmctl.la
+libdmctl_la_SOURCES = dmctl.cpp
+libdmctl_la_LDFLAGS = $(all_libraries) -no-undefined
+libdmctl_la_LIBADD = $(LIB_KDECORE) -lXau
+
+METASOURCES = AUTO
+
+noinst_HEADERS = dmctl.h kgreet_classic.h kgreet_winbind.h
+include_HEADERS = kgreeterplugin.h
+
+messages:
+	$(XGETTEXT) $(kgreet_classic_la_SOURCES) -o $(podir)/kgreet_classic.pot
+	$(XGETTEXT) $(kgreet_winbind_la_SOURCES) -o $(podir)/kgreet_winbind.pot
+	$(XGETTEXT) $(libdmctl_la_SOURCES) -o $(podir)/libdmctl.pot
diff --git a/kdmlib/dmctl.cpp b/kdmlib/dmctl.cpp
new file mode 100644
index 000000000..4475ae1e7
--- /dev/null
+++ b/kdmlib/dmctl.cpp
@@ -0,0 +1,442 @@
+/*
+   Copyright (C) 2004 Oswald Buddenhagen <ossi@kde.org>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the Lesser GNU General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   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 Lesser GNU General Public License
+   along with this program; see the file COPYING.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#include "dmctl.h"
+
+#ifdef Q_WS_X11
+
+#include <klocale.h>
+#include <dcopclient.h>
+
+#include <qregexp.h>
+
+#include <X11/Xauth.h>
+#include <X11/Xlib.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+
+static enum { Dunno, NoDM, NewKDM, OldKDM, GDM } DMType = Dunno;
+static const char *ctl, *dpy;
+
+DM::DM() : fd( -1 )
+{
+	const char *ptr;
+	struct sockaddr_un sa;
+
+	if (DMType == Dunno) {
+		if (!(dpy = ::getenv( "DISPLAY" )))
+			DMType = NoDM;
+		else if ((ctl = ::getenv( "DM_CONTROL" )))
+			DMType = NewKDM;
+		else if ((ctl = ::getenv( "XDM_MANAGED" )) && ctl[0] == '/')
+			DMType = OldKDM;
+		else if (::getenv( "GDMSESSION" ))
+			DMType = GDM;
+		else
+			DMType = NoDM;
+	}
+	switch (DMType) {
+	default:
+		return;
+	case NewKDM:
+	case GDM:
+		if ((fd = ::socket( PF_UNIX, SOCK_STREAM, 0 )) < 0)
+			return;
+		sa.sun_family = AF_UNIX;
+		if (DMType == GDM) {
+			strcpy( sa.sun_path, "/var/run/gdm_socket" );
+			if (::connect( fd, (struct sockaddr *)&sa, sizeof(sa) )) {
+				strcpy( sa.sun_path, "/tmp/.gdm_socket" );
+				if (::connect( fd, (struct sockaddr *)&sa, sizeof(sa) )) {
+					::close( fd );
+					fd = -1;
+					break;
+				}
+			}
+			GDMAuthenticate();
+		} else {
+			if ((ptr = strchr( dpy, ':' )))
+				ptr = strchr( ptr, '.' );
+			snprintf( sa.sun_path, sizeof(sa.sun_path),
+			          "%s/dmctl-%.*s/socket",
+			          ctl, ptr ? int(ptr - dpy) : 512, dpy );
+			if (::connect( fd, (struct sockaddr *)&sa, sizeof(sa) )) {
+				::close( fd );
+				fd = -1;
+			}
+		}
+		break;
+	case OldKDM:
+		{
+			QString tf( ctl );
+			tf.truncate( tf.find( ',' ) );
+			fd = ::open( tf.latin1(), O_WRONLY );
+		}
+		break;
+	}
+}
+
+DM::~DM()
+{
+	if (fd >= 0)
+		close( fd );
+}
+
+bool
+DM::exec( const char *cmd )
+{
+	QCString buf;
+
+	return exec( cmd, buf );
+}
+
+/**
+ * Execute a KDM/GDM remote control command.
+ * @param cmd the command to execute. FIXME: undocumented yet.
+ * @param buf the result buffer.
+ * @return result:
+ *  @li If true, the command was successfully executed.
+ *   @p ret might contain addional results.
+ *  @li If false and @p ret is empty, a communication error occurred
+ *   (most probably KDM is not running).
+ *  @li If false and @p ret is non-empty, it contains the error message
+ *   from KDM.
+ */
+bool
+DM::exec( const char *cmd, QCString &buf )
+{
+	bool ret = false;
+	int tl;
+	unsigned len = 0;
+
+	if (fd < 0)
+		goto busted;
+
+	tl = strlen( cmd );
+	if (::write( fd, cmd, tl ) != tl) {
+	    bust:
+		::close( fd );
+		fd = -1;
+	    busted:
+		buf.resize( 0 );
+		return false;
+	}
+	if (DMType == OldKDM) {
+		buf.resize( 0 );
+		return true;
+	}
+	for (;;) {
+		if (buf.size() < 128)
+			buf.resize( 128 );
+		else if (buf.size() < len * 2)
+			buf.resize( len * 2 );
+		if ((tl = ::read( fd, buf.data() + len, buf.size() - len)) <= 0) {
+			if (tl < 0 && errno == EINTR)
+				continue;
+			goto bust;
+		}
+		len += tl;
+		if (buf[len - 1] == '\n') {
+			buf[len - 1] = 0;
+			if (len > 2 && (buf[0] == 'o' || buf[0] == 'O') &&
+			    (buf[1] == 'k' || buf[1] == 'K') && buf[2] <= 32)
+				ret = true;
+			break;
+		}
+	}
+	return ret;
+}
+
+bool
+DM::canShutdown()
+{
+	if (DMType == OldKDM)
+		return strstr( ctl, ",maysd" ) != 0;
+
+	QCString re;
+
+	if (DMType == GDM)
+		return exec( "QUERY_LOGOUT_ACTION\n", re ) && re.find("HALT") >= 0;
+
+	return exec( "caps\n", re ) && re.find( "\tshutdown" ) >= 0;
+}
+
+void
+DM::shutdown( KApplication::ShutdownType shutdownType,
+              KApplication::ShutdownMode shutdownMode, /* NOT Default */
+              const QString &bootOption )
+{
+	if (shutdownType == KApplication::ShutdownTypeNone)
+		return;
+
+	bool cap_ask;
+	if (DMType == NewKDM) {
+		QCString re;
+		cap_ask = exec( "caps\n", re ) && re.find( "\tshutdown ask" ) >= 0;
+	} else {
+		if (!bootOption.isEmpty())
+			return;
+		cap_ask = false;
+	}
+	if (!cap_ask && shutdownMode == KApplication::ShutdownModeInteractive)
+		shutdownMode = KApplication::ShutdownModeForceNow;
+
+	QCString cmd;
+	if (DMType == GDM) {
+		cmd.append( shutdownMode == KApplication::ShutdownModeForceNow ?
+		            "SET_LOGOUT_ACTION " : "SET_SAFE_LOGOUT_ACTION " );
+		cmd.append( shutdownType == KApplication::ShutdownTypeReboot ?
+		            "REBOOT\n" : "HALT\n" );
+	} else {
+		cmd.append( "shutdown\t" );
+		cmd.append( shutdownType == KApplication::ShutdownTypeReboot ?
+		            "reboot\t" : "halt\t" );
+		if (!bootOption.isEmpty())
+			cmd.append( "=" ).append( bootOption.local8Bit() ).append( "\t" );
+		cmd.append( shutdownMode == KApplication::ShutdownModeInteractive ?
+		            "ask\n" :
+		            shutdownMode == KApplication::ShutdownModeForceNow ?
+		            "forcenow\n" :
+		            shutdownMode == KApplication::ShutdownModeTryNow ?
+		            "trynow\n" : "schedule\n" );
+	}
+	exec( cmd.data() );
+}
+
+bool
+DM::bootOptions( QStringList &opts, int &defopt, int &current )
+{
+	if (DMType != NewKDM)
+		return false;
+
+	QCString re;
+	if (!exec( "listbootoptions\n", re ))
+		return false;
+
+	opts = QStringList::split( '\t', QString::fromLocal8Bit( re.data() ) );
+	if (opts.size() < 4)
+		return false;
+
+	bool ok;
+	defopt = opts[2].toInt( &ok );
+	if (!ok)
+		return false;
+	current = opts[3].toInt( &ok );
+	if (!ok)
+		return false;
+
+	opts = QStringList::split( ' ', opts[1] );
+	for (QStringList::Iterator it = opts.begin(); it != opts.end(); ++it)
+		(*it).replace( "\\s", " " );
+
+	return true;
+}
+
+void
+DM::setLock( bool on )
+{
+	if (DMType != GDM)
+		exec( on ? "lock\n" : "unlock\n" );
+}
+
+bool
+DM::isSwitchable()
+{
+	if (DMType == OldKDM)
+		return dpy[0] == ':';
+
+	if (DMType == GDM)
+		return exec( "QUERY_VT\n" );
+
+	QCString re;
+
+	return exec( "caps\n", re ) && re.find( "\tlocal" ) >= 0;
+}
+
+int
+DM::numReserve()
+{
+	if (DMType == GDM)
+		return 1; /* Bleh */
+
+	if (DMType == OldKDM)
+		return strstr( ctl, ",rsvd" ) ? 1 : -1;
+
+	QCString re;
+	int p;
+
+	if (!(exec( "caps\n", re ) && (p = re.find( "\treserve " )) >= 0))
+		return -1;
+	return atoi( re.data() + p + 9 );
+}
+
+void
+DM::startReserve()
+{
+	if (DMType == GDM)
+		exec("FLEXI_XSERVER\n");
+	else
+		exec("reserve\n");
+}
+
+bool
+DM::localSessions( SessList &list )
+{
+	if (DMType == OldKDM)
+		return false;
+
+	QCString re;
+
+	if (DMType == GDM) {
+		if (!exec( "CONSOLE_SERVERS\n", re ))
+			return false;
+		QStringList sess = QStringList::split( QChar(';'), re.data() + 3 );
+		for (QStringList::ConstIterator it = sess.begin(); it != sess.end(); ++it) {
+			QStringList ts = QStringList::split( QChar(','), *it, true );
+			SessEnt se;
+			se.display = ts[0];
+			se.user = ts[1];
+			se.vt = ts[2].toInt();
+			se.session = "<unknown>";
+			se.self = ts[0] == ::getenv( "DISPLAY" ); /* Bleh */
+			se.tty = false;
+			list.append( se );
+		}
+	} else {
+		if (!exec( "list\talllocal\n", re ))
+			return false;
+		QStringList sess = QStringList::split( QChar('\t'), re.data() + 3 );
+		for (QStringList::ConstIterator it = sess.begin(); it != sess.end(); ++it) {
+			QStringList ts = QStringList::split( QChar(','), *it, true );
+			SessEnt se;
+			se.display = ts[0];
+			if (ts[1][0] == '@')
+				se.from = ts[1].mid( 1 ), se.vt = 0;
+			else
+				se.vt = ts[1].mid( 2 ).toInt();
+			se.user = ts[2];
+			se.session = ts[3];
+			se.self = (ts[4].find( '*' ) >= 0);
+			se.tty = (ts[4].find( 't' ) >= 0);
+			list.append( se );
+		}
+	}
+	return true;
+}
+
+void
+DM::sess2Str2( const SessEnt &se, QString &user, QString &loc )
+{
+	if (se.tty) {
+		user = i18n("user: ...", "%1: TTY login").arg( se.user );
+		loc = se.vt ? QString("vt%1").arg( se.vt ) : se.display ;
+	} else {
+		user =
+			se.user.isEmpty() ?
+				se.session.isEmpty() ?
+					i18n("Unused") :
+					se.session == "<remote>" ?
+						i18n("X login on remote host") :
+						i18n("... host", "X login on %1").arg( se.session ) :
+				se.session == "<unknown>" ?
+					se.user :
+					i18n("user: session type", "%1: %2")
+						.arg( se.user ).arg( se.session );
+		loc =
+			se.vt ?
+				QString("%1, vt%2").arg( se.display ).arg( se.vt ) :
+				se.display;
+	}
+}
+
+QString
+DM::sess2Str( const SessEnt &se )
+{
+	QString user, loc;
+
+	sess2Str2( se, user, loc );
+	return i18n("session (location)", "%1 (%2)").arg( user ).arg( loc );
+}
+
+bool
+DM::switchVT( int vt )
+{
+	if (DMType == GDM)
+		return exec( QString("SET_VT %1\n").arg(vt).latin1() );
+
+	return exec( QString("activate\tvt%1\n").arg(vt).latin1() );
+}
+
+void
+DM::lockSwitchVT( int vt )
+{
+	if (switchVT( vt ))
+		kapp->dcopClient()->send( "kdesktop", "KScreensaverIface", "lock()", "" );
+}
+
+void
+DM::GDMAuthenticate()
+{
+	FILE *fp;
+	const char *dpy, *dnum, *dne;
+	int dnl;
+	Xauth *xau;
+
+	dpy = DisplayString( QPaintDevice::x11AppDisplay() );
+	if (!dpy) {
+		dpy = ::getenv( "DISPLAY" );
+		if (!dpy)
+			return;
+	}
+	dnum = strchr( dpy, ':' ) + 1;
+	dne = strchr( dpy, '.' );
+	dnl = dne ? dne - dnum : strlen( dnum );
+
+	/* XXX should do locking */
+	if (!(fp = fopen( XauFileName(), "r" )))
+		return;
+
+	while ((xau = XauReadAuth( fp ))) {
+		if (xau->family == FamilyLocal &&
+		    xau->number_length == dnl && !memcmp( xau->number, dnum, dnl ) &&
+		    xau->data_length == 16 &&
+		    xau->name_length == 18 && !memcmp( xau->name, "MIT-MAGIC-COOKIE-1", 18 ))
+		{
+			QString cmd( "AUTH_LOCAL " );
+			for (int i = 0; i < 16; i++)
+				cmd += QString::number( (uchar)xau->data[i], 16 ).rightJustify( 2, '0');
+			cmd += "\n";
+			if (exec( cmd.latin1() )) {
+				XauDisposeAuth( xau );
+				break;
+			}
+		}
+		XauDisposeAuth( xau );
+	}
+
+	fclose (fp);
+}
+
+#endif // Q_WS_X11
diff --git a/kdmlib/dmctl.h b/kdmlib/dmctl.h
new file mode 100644
index 000000000..aadc89bdb
--- /dev/null
+++ b/kdmlib/dmctl.h
@@ -0,0 +1,93 @@
+/*
+   Copyright (C) 2004,2005 Oswald Buddenhagen <ossi@kde.org>
+   Copyright (C) 2005 Stephan Kulow <coolo@kde.org>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the Lesser GNU General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   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 Lesser GNU General Public License
+   along with this program; see the file COPYING.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#ifndef DMCTL_H
+#define DMCTL_H
+
+#include <kapplication.h>
+
+struct SessEnt {
+	QString display, from, user, session;
+	int vt;
+	bool self:1, tty:1;
+};
+
+typedef QValueList<SessEnt> SessList;
+
+class DM {
+
+#ifdef Q_WS_X11
+
+public:
+	DM();
+	~DM();
+
+	bool canShutdown();
+	void shutdown( KApplication::ShutdownType shutdownType,
+	               KApplication::ShutdownMode shutdownMode,
+	               const QString &bootOption = QString::null );
+
+	void setLock( bool on );
+
+	bool isSwitchable();
+	int numReserve();
+	void startReserve();
+	bool localSessions( SessList &list );
+	bool switchVT( int vt );
+	void lockSwitchVT( int vt );
+
+	bool bootOptions( QStringList &opts, int &dflt, int &curr );
+
+	static QString sess2Str( const SessEnt &se );
+	static void sess2Str2( const SessEnt &se, QString &user, QString &loc );
+
+private:
+	int fd;
+
+	bool exec( const char *cmd, QCString &ret );
+	bool exec( const char *cmd );
+
+	void GDMAuthenticate();
+
+#else // Q_WS_X11
+
+public:
+	DM() {}
+
+	bool canShutdown() { return false; }
+	void shutdown( KApplication::ShutdownType shutdownType,
+	               KApplication::ShutdownMode shutdownMode,
+	               const QString &bootOption = QString::null ) {}
+
+	void setLock( bool ) {}
+
+	bool isSwitchable() { return false; }
+	int numReserve() { return -1; }
+	void startReserve() {}
+	bool localSessions( SessList &list ) { return false; }
+	void switchVT( int vt ) {}
+
+	bool bootOptions( QStringList &opts, int &dflt, int &curr );
+
+#endif // Q_WS_X11
+
+}; // class DM
+
+#endif // DMCTL_H
diff --git a/kdmlib/kgreet_classic.cpp b/kdmlib/kgreet_classic.cpp
new file mode 100644
index 000000000..b38e979d0
--- /dev/null
+++ b/kdmlib/kgreet_classic.cpp
@@ -0,0 +1,505 @@
+/*
+
+Conversation widget for kdm greeter
+
+Copyright (C) 1997, 1998, 2000 Steffen Hansen <hansen@kde.org>
+Copyright (C) 2000-2003 Oswald Buddenhagen <ossi@kde.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) any later version.
+
+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 "kgreet_classic.h"
+#include "themer/kdmthemer.h"
+#include "themer/kdmitem.h"
+
+#include <klocale.h>
+#include <klineedit.h>
+#include <kpassdlg.h>
+#include <kuser.h>
+
+#include <qregexp.h>
+#include <qlayout.h>
+#include <qlabel.h>
+
+class KDMPasswordEdit : public KPasswordEdit {
+public:
+	KDMPasswordEdit( QWidget *parent ) : KPasswordEdit( parent, 0 ) {}
+	KDMPasswordEdit( KPasswordEdit::EchoModes echoMode, QWidget *parent ) : KPasswordEdit( echoMode, parent, 0 ) {}
+protected:
+	virtual void contextMenuEvent( QContextMenuEvent * ) {}
+};
+
+static int echoMode;
+
+KClassicGreeter::KClassicGreeter( KGreeterPluginHandler *_handler,
+                                  KdmThemer *themer,
+                                  QWidget *parent, QWidget *pred,
+                                  const QString &_fixedEntity,
+                                  Function _func, Context _ctx ) :
+	QObject(),
+	KGreeterPlugin( _handler ),
+	fixedUser( _fixedEntity ),
+	func( _func ),
+	ctx( _ctx ),
+	exp( -1 ),
+	pExp( -1 ),
+	running( false )
+{
+	KdmItem *user_entry = 0, *pw_entry = 0;
+	QGridLayout *grid = 0;
+	int line = 0;
+
+	layoutItem = 0;
+
+	if (themer &&
+	    (!(user_entry = themer->findNode( "user-entry" )) ||
+	     !(pw_entry = themer->findNode( "pw-entry" ))))
+		themer = 0;
+
+	if (!themer)
+		layoutItem = grid = new QGridLayout( 0, 0, 10 );
+
+	loginLabel = passwdLabel = passwd1Label = passwd2Label = 0;
+	loginEdit = 0;
+	passwdEdit = passwd1Edit = passwd2Edit = 0;
+	if (ctx == ExUnlock || ctx == ExChangeTok)
+		fixedUser = KUser().loginName();
+	if (func != ChAuthTok) {
+		if (fixedUser.isEmpty()) {
+			loginEdit = new KLineEdit( parent );
+			loginEdit->setContextMenuEnabled( false );
+			connect( loginEdit, SIGNAL(lostFocus()), SLOT(slotLoginLostFocus()) );
+			connect( loginEdit, SIGNAL(lostFocus()), SLOT(slotActivity()) );
+			connect( loginEdit, SIGNAL(textChanged( const QString & )), SLOT(slotActivity()) );
+			connect( loginEdit, SIGNAL(selectionChanged()), SLOT(slotActivity()) );
+			if (pred) {
+				parent->setTabOrder( pred, loginEdit );
+				pred = loginEdit;
+			}
+			if (!grid) {
+				loginEdit->adjustSize();
+				user_entry->setWidget( loginEdit );
+			} else {
+				loginLabel = new QLabel( loginEdit, i18n("&Username:"), parent );
+				grid->addWidget( loginLabel, line, 0 );
+				grid->addWidget( loginEdit, line++, 1 );
+			}
+		} else if (ctx != Login && ctx != Shutdown && grid) {
+			loginLabel = new QLabel( i18n("Username:"), parent );
+			grid->addWidget( loginLabel, line, 0 );
+			grid->addWidget( new QLabel( fixedUser, parent ), line++, 1 );
+		}
+		if (echoMode == -1)
+			passwdEdit = new KDMPasswordEdit( parent );
+		else
+			passwdEdit = new KDMPasswordEdit( (KPasswordEdit::EchoModes)echoMode,
+			                                  parent );
+		connect( passwdEdit, SIGNAL(textChanged( const QString & )),
+		         SLOT(slotActivity()) );
+		connect( passwdEdit, SIGNAL(lostFocus()), SLOT(slotActivity()) );
+		if (pred) {
+			parent->setTabOrder( pred, passwdEdit );
+			pred = passwdEdit;
+		}
+		if (!grid) {
+			passwdEdit->adjustSize();
+			pw_entry->setWidget( passwdEdit );
+		} else {
+			passwdLabel = new QLabel( passwdEdit,
+			                          func == Authenticate ?
+			                            i18n("&Password:") :
+			                            i18n("Current &password:"),
+			                          parent );
+			grid->addWidget( passwdLabel, line, 0 );
+			grid->addWidget( passwdEdit, line++, 1 );
+		}
+		if (loginEdit)
+			loginEdit->setFocus();
+		else
+			passwdEdit->setFocus();
+	}
+	if (func != Authenticate) {
+		if (echoMode == -1) {
+			passwd1Edit = new KDMPasswordEdit( (KPasswordEdit::EchoModes)echoMode, parent );
+			passwd2Edit = new KDMPasswordEdit( (KPasswordEdit::EchoModes)echoMode, parent );
+		} else {
+			passwd1Edit = new KDMPasswordEdit( parent );
+			passwd2Edit = new KDMPasswordEdit( parent );
+		}
+		passwd1Label = new QLabel( passwd1Edit, i18n("&New password:"), parent );
+		passwd2Label = new QLabel( passwd2Edit, i18n("Con&firm password:"), parent );
+		if (pred) {
+			parent->setTabOrder( pred, passwd1Edit );
+			parent->setTabOrder( passwd1Edit, passwd2Edit );
+		}
+		if (grid) {
+			grid->addWidget( passwd1Label, line, 0 );
+			grid->addWidget( passwd1Edit, line++, 1 );
+			grid->addWidget( passwd2Label, line, 0 );
+			grid->addWidget( passwd2Edit, line, 1 );
+		}
+		if (!passwdEdit)
+			passwd1Edit->setFocus();
+	}
+}
+
+// virtual
+KClassicGreeter::~KClassicGreeter()
+{
+	abort();
+	if (!layoutItem) {
+		delete loginEdit;
+		delete passwdEdit;
+		return;
+	}
+	QLayoutIterator it = static_cast<QLayout *>(layoutItem)->iterator();
+	for (QLayoutItem *itm = it.current(); itm; itm = ++it)
+		 delete itm->widget();
+	delete layoutItem;
+}
+
+void // virtual
+KClassicGreeter::loadUsers( const QStringList &users )
+{
+	KCompletion *userNamesCompletion = new KCompletion;
+	userNamesCompletion->setItems( users );
+	loginEdit->setCompletionObject( userNamesCompletion );
+	loginEdit->setAutoDeleteCompletionObject( true );
+	loginEdit->setCompletionMode( KGlobalSettings::CompletionAuto );
+}
+
+void // virtual
+KClassicGreeter::presetEntity( const QString &entity, int field )
+{
+	loginEdit->setText( entity );
+	if (field == 1)
+		passwdEdit->setFocus();
+	else {
+		loginEdit->setFocus();
+		loginEdit->selectAll();
+		if (field == -1) {
+			passwdEdit->setText( "     " );
+			passwdEdit->setEnabled( false );
+			authTok = false;
+		}
+	}
+	curUser = entity;
+}
+
+QString // virtual
+KClassicGreeter::getEntity() const
+{
+	return fixedUser.isEmpty() ? loginEdit->text() : fixedUser;
+}
+
+void // virtual
+KClassicGreeter::setUser( const QString &user )
+{
+	// assert( fixedUser.isEmpty() );
+	curUser = user;
+	loginEdit->setText( user );
+	passwdEdit->setFocus();
+	passwdEdit->selectAll();
+}
+
+void // virtual
+KClassicGreeter::setEnabled( bool enable )
+{
+	// assert( !passwd1Label );
+	// assert( func == Authenticate && ctx == Shutdown );
+//	if (loginLabel)
+//		loginLabel->setEnabled( enable );
+	passwdLabel->setEnabled( enable );
+	setActive( enable );
+	if (enable)
+		passwdEdit->setFocus();
+}
+
+void // private
+KClassicGreeter::returnData()
+{
+	switch (exp) {
+	case 0:
+		handler->gplugReturnText( (loginEdit ? loginEdit->text() :
+		                                       fixedUser).local8Bit(),
+		                          KGreeterPluginHandler::IsUser );
+		break;
+	case 1:
+		handler->gplugReturnText( passwdEdit->password(),
+		                          KGreeterPluginHandler::IsPassword |
+		                          KGreeterPluginHandler::IsSecret );
+		break;
+	case 2:
+		handler->gplugReturnText( passwd1Edit->password(),
+		                          KGreeterPluginHandler::IsSecret );
+		break;
+	default: // case 3:
+		handler->gplugReturnText( passwd2Edit->password(),
+		                          KGreeterPluginHandler::IsNewPassword |
+		                          KGreeterPluginHandler::IsSecret );
+		break;
+	}
+}
+
+bool // virtual
+KClassicGreeter::textMessage( const char *text, bool err )
+{
+	if (!err &&
+	    QString( text ).find( QRegExp( "^Changing password for [^ ]+$" ) ) >= 0)
+		return true;
+	return false;
+}
+
+void // virtual
+KClassicGreeter::textPrompt( const char *prompt, bool echo, bool nonBlocking )
+{
+	pExp = exp;
+	if (echo)
+		exp = 0;
+	else if (!authTok)
+		exp = 1;
+	else {
+		QString pr( prompt );
+		if (pr.find( QRegExp( "\\bpassword\\b", false ) ) >= 0) {
+			if (pr.find( QRegExp( "\\b(re-?(enter|type)|again|confirm|repeat)\\b",
+			                      false ) ) >= 0)
+				exp = 3;
+			else if (pr.find( QRegExp( "\\bnew\\b", false ) ) >= 0)
+				exp = 2;
+			else { // QRegExp( "\\b(old|current)\\b", false ) is too strict
+				handler->gplugReturnText( "",
+				                          KGreeterPluginHandler::IsOldPassword |
+				                          KGreeterPluginHandler::IsSecret );
+				return;
+			}
+		} else {
+			handler->gplugMsgBox( QMessageBox::Critical,
+			                      i18n("Unrecognized prompt \"%1\"")
+			                      .arg( prompt ) );
+			handler->gplugReturnText( 0, 0 );
+			exp = -1;
+			return;
+		}
+	}
+
+	if (pExp >= 0 && pExp >= exp) {
+		revive();
+		has = -1;
+	}
+
+	if (has >= exp || nonBlocking)
+		returnData();
+}
+
+bool // virtual
+KClassicGreeter::binaryPrompt( const char *, bool )
+{
+	// this simply cannot happen ... :}
+	return true;
+}
+
+void // virtual
+KClassicGreeter::start()
+{
+	authTok = !(passwdEdit && passwdEdit->isEnabled());
+	exp = has = -1;
+	running = true;
+}
+
+void // virtual
+KClassicGreeter::suspend()
+{
+}
+
+void // virtual
+KClassicGreeter::resume()
+{
+}
+
+void // virtual
+KClassicGreeter::next()
+{
+	// assert( running );
+	if (loginEdit && loginEdit->hasFocus()) {
+		passwdEdit->setFocus(); // will cancel running login if necessary
+		has = 0;
+	} else if (passwdEdit && passwdEdit->hasFocus()) {
+		if (passwd1Edit)
+			passwd1Edit->setFocus();
+		has = 1;
+	} else if (passwd1Edit) {
+		if (passwd1Edit->hasFocus()) {
+			passwd2Edit->setFocus();
+			has = 1; // sic!
+		} else
+			has = 3;
+	} else
+		has = 1;
+	if (exp < 0)
+		handler->gplugStart();
+	else if (has >= exp)
+		returnData();
+}
+
+void // virtual
+KClassicGreeter::abort()
+{
+	running = false;
+	if (exp >= 0) {
+		exp = -1;
+		handler->gplugReturnText( 0, 0 );
+	}
+}
+
+void // virtual
+KClassicGreeter::succeeded()
+{
+	// assert( running || timed_login );
+	if (!authTok) {
+		setActive( false );
+		if (passwd1Edit) {
+			authTok = true;
+			return;
+		}
+	} else
+		setActive2( false );
+	exp = -1;
+	running = false;
+}
+
+void // virtual
+KClassicGreeter::failed()
+{
+	// assert( running || timed_login );
+	setActive( false );
+	setActive2( false );
+	exp = -1;
+	running = false;
+}
+
+void // virtual
+KClassicGreeter::revive()
+{
+	// assert( !running );
+	setActive2( true );
+	if (authTok) {
+		passwd1Edit->erase();
+		passwd2Edit->erase();
+		passwd1Edit->setFocus();
+	} else {
+		passwdEdit->erase();
+		if (loginEdit && loginEdit->isEnabled())
+			passwdEdit->setEnabled( true );
+		else {
+			setActive( true );
+			if (loginEdit && loginEdit->text().isEmpty())
+				loginEdit->setFocus();
+			else
+				passwdEdit->setFocus();
+		}
+	}
+}
+
+void // virtual
+KClassicGreeter::clear()
+{
+	// assert( !running && !passwd1Edit );
+	passwdEdit->erase();
+	if (loginEdit) {
+		loginEdit->clear();
+		loginEdit->setFocus();
+		curUser = QString::null;
+	} else
+		passwdEdit->setFocus();
+}
+
+
+// private
+
+void
+KClassicGreeter::setActive( bool enable )
+{
+	if (loginEdit)
+		loginEdit->setEnabled( enable );
+	if (passwdEdit)
+		passwdEdit->setEnabled( enable );
+}
+
+void
+KClassicGreeter::setActive2( bool enable )
+{
+	if (passwd1Edit) {
+		passwd1Edit->setEnabled( enable );
+		passwd2Edit->setEnabled( enable );
+	}
+}
+
+void
+KClassicGreeter::slotLoginLostFocus()
+{
+	if (!running)
+		return;
+	if (exp > 0) {
+		if (curUser == loginEdit->text())
+			return;
+		exp = -1;
+		handler->gplugReturnText( 0, 0 );
+	}
+	curUser = loginEdit->text();
+	handler->gplugSetUser( curUser );
+}
+
+void
+KClassicGreeter::slotActivity()
+{
+	if (running)
+		handler->gplugActivity();
+}
+
+// factory
+
+static bool init( const QString &,
+                  QVariant (*getConf)( void *, const char *, const QVariant & ),
+                  void *ctx )
+{
+	echoMode = getConf( ctx, "EchoMode", QVariant( -1 ) ).toInt();
+	KGlobal::locale()->insertCatalogue( "kgreet_classic" );
+	return true;
+}
+
+static void done( void )
+{
+	KGlobal::locale()->removeCatalogue( "kgreet_classic" );
+}
+
+static KGreeterPlugin *
+create( KGreeterPluginHandler *handler, KdmThemer *themer,
+        QWidget *parent, QWidget *predecessor,
+        const QString &fixedEntity,
+        KGreeterPlugin::Function func,
+        KGreeterPlugin::Context ctx )
+{
+	return new KClassicGreeter( handler, themer, parent, predecessor, fixedEntity, func, ctx );
+}
+
+KDE_EXPORT kgreeterplugin_info kgreeterplugin_info = {
+	I18N_NOOP("Username + password (classic)"), "classic",
+	kgreeterplugin_info::Local | kgreeterplugin_info::Presettable,
+	init, done, create
+};
+
+#include "kgreet_classic.moc"
diff --git a/kdmlib/kgreet_classic.h b/kdmlib/kgreet_classic.h
new file mode 100644
index 000000000..64d39799a
--- /dev/null
+++ b/kdmlib/kgreet_classic.h
@@ -0,0 +1,87 @@
+/*
+
+Conversation widget for kdm greeter
+
+Copyright (C) 1997, 1998 Steffen Hansen <hansen@kde.org>
+Copyright (C) 2000-2003 Oswald Buddenhagen <ossi@kde.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) any later version.
+
+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.
+
+*/
+
+
+#ifndef KGREET_CLASSIC_H
+#define KGREET_CLASSIC_H
+
+#include "kgreeterplugin.h"
+
+#include <qobject.h>
+
+class KLineEdit;
+class KPasswordEdit;
+class KSimpleConfig;
+class QGridLayout;
+class QLabel;
+
+class KClassicGreeter : public QObject, public KGreeterPlugin {
+	Q_OBJECT
+
+  public:
+	KClassicGreeter( KGreeterPluginHandler *handler,
+	                 KdmThemer *themer,
+	                 QWidget *parent, QWidget *predecessor,
+	                 const QString &fixedEntitiy,
+	                 Function func, Context ctx );
+	~KClassicGreeter();
+	virtual void loadUsers( const QStringList &users );
+	virtual void presetEntity( const QString &entity, int field );
+	virtual QString getEntity() const;
+	virtual void setUser( const QString &user );
+	virtual void setEnabled( bool on );
+	virtual bool textMessage( const char *message, bool error );
+	virtual void textPrompt( const char *prompt, bool echo, bool nonBlocking );
+	virtual bool binaryPrompt( const char *prompt, bool nonBlocking );
+	virtual void start();
+	virtual void suspend();
+	virtual void resume();
+	virtual void next();
+	virtual void abort();
+	virtual void succeeded();
+	virtual void failed();
+	virtual void revive();
+	virtual void clear();
+
+  public slots:
+	void slotLoginLostFocus();
+	void slotActivity();
+
+  private:
+	void setActive( bool enable );
+	void setActive2( bool enable );
+	void returnData();
+
+	QLabel *loginLabel, *passwdLabel, *passwd1Label, *passwd2Label;
+	KLineEdit *loginEdit;
+	KPasswordEdit *passwdEdit, *passwd1Edit, *passwd2Edit;
+	KSimpleConfig *stsFile;
+	QString fixedUser, curUser;
+	Function func;
+	Context ctx;
+	int exp, pExp, has;
+	bool running, authTok;
+};
+
+#endif /* KGREET_CLASSIC_H */
diff --git a/kdmlib/kgreet_winbind.cpp b/kdmlib/kgreet_winbind.cpp
new file mode 100644
index 000000000..eeef08b01
--- /dev/null
+++ b/kdmlib/kgreet_winbind.cpp
@@ -0,0 +1,671 @@
+/*
+
+Conversation widget for kdm greeter
+
+Copyright (C) 1997, 1998, 2000 Steffen Hansen <hansen@kde.org>
+Copyright (C) 2000-2004 Oswald Buddenhagen <ossi@kde.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) any later version.
+
+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 "kgreet_winbind.h"
+#include "themer/kdmthemer.h"
+#include "themer/kdmitem.h"
+
+#include <klocale.h>
+#include <kdebug.h>
+#include <kcombobox.h>
+#include <klineedit.h>
+#include <kpassdlg.h>
+#include <kuser.h>
+#include <kprocio.h>
+
+#include <qregexp.h>
+#include <qlayout.h>
+#include <qlabel.h>
+
+#include <stdlib.h>
+
+class KDMPasswordEdit : public KPasswordEdit {
+public:
+	KDMPasswordEdit( QWidget *parent ) : KPasswordEdit( parent, 0 ) {}
+	KDMPasswordEdit( KPasswordEdit::EchoModes echoMode, QWidget *parent ) : KPasswordEdit( echoMode, parent, 0 ) {}
+protected:
+	virtual void contextMenuEvent( QContextMenuEvent * ) {}
+};
+
+static int echoMode;
+static char separator;
+static QStringList staticDomains;
+static QString defaultDomain;
+
+static void
+splitEntity( const QString &ent, QString &dom, QString &usr )
+{
+	int pos = ent.find( separator );
+	if (pos < 0)
+		dom = "<local>", usr = ent;
+	else
+		dom = ent.left( pos ), usr = ent.mid( pos + 1 );
+}
+
+KWinbindGreeter::KWinbindGreeter( KGreeterPluginHandler *_handler,
+                                  KdmThemer *themer,
+                                  QWidget *parent, QWidget *pred,
+                                  const QString &_fixedEntity,
+                                  Function _func, Context _ctx ) :
+	QObject(),
+	KGreeterPlugin( _handler ),
+	func( _func ),
+	ctx( _ctx ),
+	exp( -1 ),
+	pExp( -1 ),
+	running( false )
+{
+	KdmItem *user_entry = 0, *pw_entry = 0, *domain_entry = 0;
+	QGridLayout *grid = 0;
+
+	int line = 0;
+	layoutItem = 0;
+
+	if (themer &&
+	    (!(user_entry = themer->findNode( "user-entry" )) ||
+	     !(pw_entry = themer->findNode( "pw-entry" )) ||
+	     !(domain_entry = themer->findNode( "domain-entry" ))))
+		themer = 0;
+
+	if (!themer)
+		layoutItem = grid = new QGridLayout( 0, 0, 10 );
+
+	domainLabel = loginLabel = passwdLabel = passwd1Label = passwd2Label = 0;
+	domainCombo = 0;
+	loginEdit = 0;
+	passwdEdit = passwd1Edit = passwd2Edit = 0;
+	m_domainLister = 0;
+	if (ctx == ExUnlock || ctx == ExChangeTok)
+		splitEntity( KUser().loginName(), fixedDomain, fixedUser );
+	else
+		splitEntity( _fixedEntity, fixedDomain, fixedUser );
+	if (func != ChAuthTok) {
+		if (fixedUser.isEmpty()) {
+			domainCombo = new KComboBox( parent );
+			connect( domainCombo, SIGNAL(activated( const QString & )),
+			         SLOT(slotChangedDomain( const QString & )) );
+			connect( domainCombo, SIGNAL(activated( const QString & )),
+			         SLOT(slotLoginLostFocus()) );
+			connect( domainCombo, SIGNAL(activated( const QString & )),
+			         SLOT(slotActivity()) );
+			// should handle loss of focus
+			loginEdit = new KLineEdit( parent );
+			loginEdit->setContextMenuEnabled( false );
+
+			if (pred) {
+				parent->setTabOrder( pred, domainCombo );
+				parent->setTabOrder( domainCombo, loginEdit );
+				pred = loginEdit;
+			}
+			if (!grid) {
+				loginEdit->adjustSize();
+				domainCombo->adjustSize();
+				user_entry->setWidget( loginEdit );
+				domain_entry->setWidget( domainCombo );
+			} else {
+				domainLabel = new QLabel( domainCombo, i18n("&Domain:"), parent );
+				loginLabel = new QLabel( loginEdit, i18n("&Username:"), parent );
+				grid->addWidget( domainLabel, line, 0 );
+				grid->addWidget( domainCombo, line++, 1 );
+				grid->addWidget( loginLabel, line, 0 );
+				grid->addWidget( loginEdit, line++, 1 );
+			}
+			connect( loginEdit, SIGNAL(lostFocus()), SLOT(slotLoginLostFocus()) );
+			connect( loginEdit, SIGNAL(lostFocus()), SLOT(slotActivity()) );
+			connect( loginEdit, SIGNAL(textChanged( const QString & )), SLOT(slotActivity()) );
+			connect( loginEdit, SIGNAL(selectionChanged()), SLOT(slotActivity()) );
+			connect(&mDomainListTimer, SIGNAL(timeout()), SLOT(slotStartDomainList()));
+			domainCombo->insertStringList( staticDomains );
+			QTimer::singleShot(0, this, SLOT(slotStartDomainList()));
+		} else if (ctx != Login && ctx != Shutdown && grid) {
+			domainLabel = new QLabel( i18n("Domain:"), parent );
+			grid->addWidget( domainLabel, line, 0 );
+			grid->addWidget( new QLabel( fixedDomain, parent ), line++, 1 );
+			loginLabel = new QLabel( i18n("Username:"), parent );
+			grid->addWidget( loginLabel, line, 0 );
+			grid->addWidget( new QLabel( fixedUser, parent ), line++, 1 );
+		}
+		if (echoMode == -1)
+			passwdEdit = new KDMPasswordEdit( parent );
+		else
+			passwdEdit = new KDMPasswordEdit( (KPasswordEdit::EchoModes)echoMode,
+			                                  parent );
+		connect( passwdEdit, SIGNAL(textChanged( const QString & )),
+		         SLOT(slotActivity()) );
+		connect( passwdEdit, SIGNAL(lostFocus()), SLOT(slotActivity()) );
+
+		if (!grid) {
+			passwdEdit->adjustSize();
+			pw_entry->setWidget( passwdEdit );
+		} else {
+			passwdLabel = new QLabel( passwdEdit,
+			                          func == Authenticate ?
+			                          i18n("&Password:") :
+			                          i18n("Current &password:"),
+			                          parent );
+			if (pred) {
+				parent->setTabOrder( pred, passwdEdit );
+				pred = passwdEdit;
+			}
+			grid->addWidget( passwdLabel, line, 0 );
+			grid->addWidget( passwdEdit, line++, 1 );
+		}
+
+		if (loginEdit)
+			loginEdit->setFocus();
+		else
+			passwdEdit->setFocus();
+	}
+	if (func != Authenticate) {
+		if (echoMode == -1) {
+			passwd1Edit = new KDMPasswordEdit( (KPasswordEdit::EchoModes)echoMode, parent );
+			passwd2Edit = new KDMPasswordEdit( (KPasswordEdit::EchoModes)echoMode, parent );
+		} else {
+			passwd1Edit = new KDMPasswordEdit( parent );
+			passwd2Edit = new KDMPasswordEdit( parent );
+		}
+		passwd1Label = new QLabel( passwd1Edit, i18n("&New password:"), parent );
+		passwd2Label = new QLabel( passwd2Edit, i18n("Con&firm password:"), parent );
+		if (pred) {
+			parent->setTabOrder( pred, passwd1Edit );
+			parent->setTabOrder( passwd1Edit, passwd2Edit );
+		}
+		if (grid) {
+			grid->addWidget( passwd1Label, line, 0 );
+			grid->addWidget( passwd1Edit, line++, 1 );
+			grid->addWidget( passwd2Label, line, 0 );
+			grid->addWidget( passwd2Edit, line, 1 );
+		}
+		if (!passwdEdit)
+			passwd1Edit->setFocus();
+	}
+}
+
+// virtual
+KWinbindGreeter::~KWinbindGreeter()
+{
+	abort();
+	if (!layoutItem) {
+		delete loginEdit;
+		delete passwdEdit;
+		delete domainCombo;
+		return;
+	}
+	QLayoutIterator it = static_cast<QLayout *>(layoutItem)->iterator();
+	for (QLayoutItem *itm = it.current(); itm; itm = ++it)
+		delete itm->widget();
+	delete layoutItem;
+        delete m_domainLister;
+}
+
+void
+KWinbindGreeter::slotChangedDomain( const QString &dom )
+{
+	if (!loginEdit->completionObject())
+		return;
+	QStringList users;
+	if (dom == "<local>") {
+		for (QStringList::ConstIterator it = allUsers.begin(); it != allUsers.end(); ++it)
+			if ((*it).find( separator ) < 0)
+				users << *it;
+	} else {
+		QString st( dom + separator );
+		for (QStringList::ConstIterator it = allUsers.begin(); it != allUsers.end(); ++it)
+			if ((*it).startsWith( st ))
+				users << (*it).mid( st.length() );
+	}
+	loginEdit->completionObject()->setItems( users );
+}
+
+void // virtual
+KWinbindGreeter::loadUsers( const QStringList &users )
+{
+	allUsers = users;
+	KCompletion *userNamesCompletion = new KCompletion;
+	loginEdit->setCompletionObject( userNamesCompletion );
+	loginEdit->setAutoDeleteCompletionObject( true );
+	loginEdit->setCompletionMode( KGlobalSettings::CompletionAuto );
+	slotChangedDomain( defaultDomain );
+}
+
+void // virtual
+KWinbindGreeter::presetEntity( const QString &entity, int field )
+{
+	QString dom, usr;
+	splitEntity( entity, dom, usr );
+	domainCombo->setCurrentItem( dom, true );
+	slotChangedDomain( dom );
+	loginEdit->setText( usr );
+	if (field > 1)
+		passwdEdit->setFocus();
+	else if (field == 1 || field == -1) {
+		if (field == -1) {
+			passwdEdit->setText( "     " );
+			passwdEdit->setEnabled( false );
+			authTok = false;
+		}
+		loginEdit->setFocus();
+		loginEdit->selectAll();
+	}
+	curUser = entity;
+}
+
+QString // virtual
+KWinbindGreeter::getEntity() const
+{
+	QString dom, usr;
+	if (fixedUser.isEmpty())
+		dom = domainCombo->currentText(), usr = loginEdit->text();
+	else
+		dom = fixedDomain, usr = fixedUser;
+	return dom == "<local>" ? usr : dom + separator + usr;
+}
+
+void // virtual
+KWinbindGreeter::setUser( const QString &user )
+{
+	// assert (fixedUser.isEmpty());
+	curUser = user;
+	QString dom, usr;
+	splitEntity( user, dom, usr );
+	domainCombo->setCurrentItem( dom, true );
+	slotChangedDomain( dom );
+	loginEdit->setText( usr );
+	passwdEdit->setFocus();
+	passwdEdit->selectAll();
+}
+
+void // virtual
+KWinbindGreeter::setEnabled( bool enable )
+{
+	// assert( !passwd1Label );
+	// assert( func == Authenticate && ctx == Shutdown );
+//	if (domainCombo)
+//		domainCombo->setEnabled( enable );
+//	if (loginLabel)
+//		loginLabel->setEnabled( enable );
+	passwdLabel->setEnabled( enable );
+	setActive( enable );
+	if (enable)
+		passwdEdit->setFocus();
+}
+
+void // private
+KWinbindGreeter::returnData()
+{
+	switch (exp) {
+	case 0:
+		handler->gplugReturnText( getEntity().local8Bit(),
+		                          KGreeterPluginHandler::IsUser );
+		break;
+	case 1:
+		handler->gplugReturnText( passwdEdit->password(),
+		                          KGreeterPluginHandler::IsPassword |
+		                          KGreeterPluginHandler::IsSecret );
+		break;
+	case 2:
+		handler->gplugReturnText( passwd1Edit->password(),
+		                          KGreeterPluginHandler::IsSecret );
+		break;
+	default: // case 3:
+		handler->gplugReturnText( passwd2Edit->password(),
+		                          KGreeterPluginHandler::IsNewPassword |
+		                          KGreeterPluginHandler::IsSecret );
+		break;
+	}
+}
+
+bool // virtual
+KWinbindGreeter::textMessage( const char *text, bool err )
+{
+	if (!err &&
+	    QString( text ).find( QRegExp( "^Changing password for [^ ]+$" ) ) >= 0)
+		return true;
+	return false;
+}
+
+void // virtual
+KWinbindGreeter::textPrompt( const char *prompt, bool echo, bool nonBlocking )
+{
+	pExp = exp;
+	if (echo)
+		exp = 0;
+	else if (!authTok)
+		exp = 1;
+	else {
+		QString pr( prompt );
+		if (pr.find( QRegExp( "\\b(old|current)\\b", false ) ) >= 0) {
+			handler->gplugReturnText( "",
+			                          KGreeterPluginHandler::IsOldPassword |
+			                          KGreeterPluginHandler::IsSecret );
+			return;
+		} else if (pr.find( QRegExp( "\\b(re-?(enter|type)|again|confirm|repeat)\\b",
+		                             false ) ) >= 0)
+			exp = 3;
+		else if (pr.find( QRegExp( "\\bnew\\b", false ) ) >= 0)
+			exp = 2;
+		else {
+			handler->gplugMsgBox( QMessageBox::Critical,
+			                      i18n("Unrecognized prompt \"%1\"")
+			                      .arg( prompt ) );
+			handler->gplugReturnText( 0, 0 );
+			exp = -1;
+			return;
+		}
+	}
+
+	if (pExp >= 0 && pExp >= exp) {
+		revive();
+		has = -1;
+	}
+
+	if (has >= exp || nonBlocking)
+		returnData();
+}
+
+bool // virtual
+KWinbindGreeter::binaryPrompt( const char *, bool )
+{
+	// this simply cannot happen ... :}
+	return true;
+}
+
+void // virtual
+KWinbindGreeter::start()
+{
+	authTok = !(passwdEdit && passwdEdit->isEnabled());
+	exp = has = -1;
+	running = true;
+}
+
+void // virtual
+KWinbindGreeter::suspend()
+{
+}
+
+void // virtual
+KWinbindGreeter::resume()
+{
+}
+
+void // virtual
+KWinbindGreeter::next()
+{
+	// assert( running );
+	if (domainCombo && domainCombo->hasFocus())
+		loginEdit->setFocus();
+	else if (loginEdit && loginEdit->hasFocus()) {
+		passwdEdit->setFocus(); // will cancel running login if necessary
+		has = 0;
+	} else if (passwdEdit && passwdEdit->hasFocus()) {
+		if (passwd1Edit)
+			passwd1Edit->setFocus();
+		has = 1;
+	} else if (passwd1Edit) {
+		if (passwd1Edit->hasFocus()) {
+			passwd2Edit->setFocus();
+			has = 1; // sic!
+		} else
+			has = 3;
+	} else
+		has = 1;
+	if (exp < 0)
+		handler->gplugStart();
+	else if (has >= exp)
+		returnData();
+}
+
+void // virtual
+KWinbindGreeter::abort()
+{
+	running = false;
+	if (exp >= 0) {
+		exp = -1;
+		handler->gplugReturnText( 0, 0 );
+	}
+}
+
+void // virtual
+KWinbindGreeter::succeeded()
+{
+	// assert( running || timed_login );
+	if (!authTok) {
+		setActive( false );
+		if (passwd1Edit) {
+			authTok = true;
+			return;
+		}
+	} else
+		setActive2( false );
+	exp = -1;
+	running = false;
+}
+
+void // virtual
+KWinbindGreeter::failed()
+{
+	// assert( running || timed_login );
+	setActive( false );
+	setActive2( false );
+	exp = -1;
+	running = false;
+}
+
+void // virtual
+KWinbindGreeter::revive()
+{
+	// assert( !running );
+	setActive2( true );
+	if (authTok) {
+		passwd1Edit->erase();
+		passwd2Edit->erase();
+		passwd1Edit->setFocus();
+	} else {
+		passwdEdit->erase();
+		if (loginEdit && loginEdit->isEnabled())
+			passwdEdit->setEnabled( true );
+		else {
+			setActive( true );
+			if (loginEdit && loginEdit->text().isEmpty())
+				loginEdit->setFocus();
+			else
+				passwdEdit->setFocus();
+		}
+	}
+}
+
+void // virtual
+KWinbindGreeter::clear()
+{
+	// assert( !running && !passwd1Edit );
+	passwdEdit->erase();
+	if (loginEdit) {
+		domainCombo->setCurrentItem( defaultDomain );
+		slotChangedDomain( defaultDomain );
+		loginEdit->clear();
+		loginEdit->setFocus();
+		curUser = QString::null;
+	} else
+		passwdEdit->setFocus();
+}
+
+
+// private
+
+void
+KWinbindGreeter::setActive( bool enable )
+{
+	if (domainCombo)
+		domainCombo->setEnabled( enable );
+	if (loginEdit)
+		loginEdit->setEnabled( enable );
+	if (passwdEdit)
+		passwdEdit->setEnabled( enable );
+}
+
+void
+KWinbindGreeter::setActive2( bool enable )
+{
+	if (passwd1Edit) {
+		passwd1Edit->setEnabled( enable );
+		passwd2Edit->setEnabled( enable );
+	}
+}
+
+void
+KWinbindGreeter::slotLoginLostFocus()
+{
+	if (!running)
+		return;
+	QString ent( getEntity() );
+	if (exp > 0) {
+		if (curUser == ent)
+			return;
+		exp = -1;
+		handler->gplugReturnText( 0, 0 );
+	}
+	curUser = ent;
+	handler->gplugSetUser( curUser );
+}
+
+void
+KWinbindGreeter::slotActivity()
+{
+	if (running)
+		handler->gplugActivity();
+}
+
+void
+KWinbindGreeter::slotStartDomainList()
+{
+    mDomainListTimer.stop();
+    mDomainListing.clear();
+
+    m_domainLister = new KProcIO;
+    connect(m_domainLister, SIGNAL(readReady(KProcIO*)), SLOT(slotReadDomainList()));
+    connect(m_domainLister, SIGNAL(processExited(KProcess*)), SLOT(slotEndDomainList()));
+
+    (*m_domainLister) << "wbinfo" << "--own-domain" << "--trusted-domains";
+    m_domainLister->setComm (KProcess::Stdout);
+    m_domainLister->start();
+}
+
+void
+KWinbindGreeter::slotReadDomainList()
+{
+    QString line;
+
+    while ( m_domainLister->readln( line ) != -1 ) {
+        mDomainListing.append(line);
+    }
+}
+
+void
+KWinbindGreeter::slotEndDomainList()
+{
+    delete m_domainLister;
+    m_domainLister = 0;
+
+    QStringList domainList;
+    domainList = staticDomains;
+
+    for (QStringList::const_iterator it = mDomainListing.begin();
+         it != mDomainListing.end(); ++it) {
+
+        if (!domainList.contains(*it))
+            domainList.append(*it);
+    }
+
+    QString current = domainCombo->currentText();
+
+    for (int i = 0; i < domainList.count(); ++i) {
+        if (i < domainCombo->count())
+            domainCombo->changeItem(domainList[i], i);
+        else
+            domainCombo->insertItem(domainList[i], i);
+    }
+
+    while (domainCombo->count() > domainList.count())
+        domainCombo->removeItem(domainCombo->count()-1);
+
+    domainCombo->setCurrentItem( current );
+
+    if (domainCombo->currentText() != current)
+        domainCombo->setCurrentItem( defaultDomain );
+
+    mDomainListTimer.start(5 * 1000);
+}
+
+// factory
+
+static bool init( const QString &,
+                  QVariant (*getConf)( void *, const char *, const QVariant & ),
+                  void *ctx )
+{
+	echoMode = getConf( ctx, "EchoMode", QVariant( -1 ) ).toInt();
+	staticDomains = QStringList::split( ':', getConf( ctx, "winbind.Domains", QVariant( "" ) ).toString() );
+	if (!staticDomains.contains("<local>"))
+		staticDomains << "<local>";
+
+	defaultDomain = getConf( ctx, "winbind.DefaultDomain", QVariant( staticDomains.first() ) ).toString();
+	QString sepstr = getConf( ctx, "winbind.Separator", QVariant( QString::null ) ).toString();
+	if (sepstr.isNull()) {
+		FILE *sepfile = popen( "wbinfo --separator 2>/dev/null", "r" );
+		if (sepfile) {
+			QTextIStream( sepfile ) >> sepstr;
+			if (pclose( sepfile ))
+				sepstr = "\\";
+		} else
+			sepstr = "\\";
+	}
+	separator = sepstr[0].latin1();
+	KGlobal::locale()->insertCatalogue( "kgreet_winbind" );
+	return true;
+}
+
+static void done( void )
+{
+	KGlobal::locale()->removeCatalogue( "kgreet_winbind" );
+	// avoid static deletion problems ... hopefully
+	staticDomains.clear();
+	defaultDomain = QString::null;
+}
+
+static KGreeterPlugin *
+create( KGreeterPluginHandler *handler, KdmThemer *themer,
+        QWidget *parent, QWidget *predecessor,
+        const QString &fixedEntity,
+        KGreeterPlugin::Function func,
+        KGreeterPlugin::Context ctx )
+{
+	return new KWinbindGreeter( handler, themer, parent, predecessor, fixedEntity, func, ctx );
+}
+
+KDE_EXPORT kgreeterplugin_info kgreeterplugin_info = {
+	I18N_NOOP("Winbind / Samba"), "classic",
+	kgreeterplugin_info::Local | kgreeterplugin_info::Fielded | kgreeterplugin_info::Presettable,
+	init, done, create
+};
+
+#include "kgreet_winbind.moc"
diff --git a/kdmlib/kgreet_winbind.h b/kdmlib/kgreet_winbind.h
new file mode 100644
index 000000000..7fc6a1c77
--- /dev/null
+++ b/kdmlib/kgreet_winbind.h
@@ -0,0 +1,100 @@
+/*
+
+Conversation widget for kdm greeter
+
+Copyright (C) 1997, 1998 Steffen Hansen <hansen@kde.org>
+Copyright (C) 2000-2003 Oswald Buddenhagen <ossi@kde.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) any later version.
+
+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.
+
+*/
+
+
+#ifndef KGREET_WINBIND_H
+#define KGREET_WINBIND_H
+
+#include "kgreeterplugin.h"
+
+#include <qobject.h>
+#include <qtimer.h>
+
+class KComboBox;
+class KLineEdit;
+class KPasswordEdit;
+class KSimpleConfig;
+class QGridLayout;
+class QLabel;
+class KdmThemer;
+class KProcIO;
+
+class KWinbindGreeter : public QObject, public KGreeterPlugin {
+	Q_OBJECT
+
+  public:
+	KWinbindGreeter( KGreeterPluginHandler *handler,
+	                 KdmThemer *themer,
+	                 QWidget *parent, QWidget *predecessor,
+	                 const QString &fixedEntitiy,
+	                 Function func, Context ctx );
+	~KWinbindGreeter();
+	virtual void loadUsers( const QStringList &users );
+	virtual void presetEntity( const QString &entity, int field );
+	virtual QString getEntity() const;
+	virtual void setUser( const QString &user );
+	virtual void setEnabled( bool on );
+	virtual bool textMessage( const char *message, bool error );
+	virtual void textPrompt( const char *prompt, bool echo, bool nonBlocking );
+	virtual bool binaryPrompt( const char *prompt, bool nonBlocking );
+	virtual void start();
+	virtual void suspend();
+	virtual void resume();
+	virtual void next();
+	virtual void abort();
+	virtual void succeeded();
+	virtual void failed();
+	virtual void revive();
+	virtual void clear();
+
+  public slots:
+	void slotLoginLostFocus();
+	void slotChangedDomain( const QString &dom );
+	void slotActivity();
+        void slotStartDomainList();
+        void slotReadDomainList();
+        void slotEndDomainList();
+
+  private:
+	void setActive( bool enable );
+	void setActive2( bool enable );
+	void returnData();
+
+	QLabel *domainLabel, *loginLabel, *passwdLabel, *passwd1Label, *passwd2Label;
+	KComboBox *domainCombo;
+	KLineEdit *loginEdit;
+	KPasswordEdit *passwdEdit, *passwd1Edit, *passwd2Edit;
+	KSimpleConfig *stsFile;
+	QString fixedDomain, fixedUser, curUser;
+	QStringList allUsers, mDomainListing;
+	KProcIO* m_domainLister;
+        QTimer mDomainListTimer;
+
+	Function func;
+	Context ctx;
+	int exp, pExp, has;
+	bool running, authTok;
+};
+
+#endif /* KGREET_WINBIND_H */
diff --git a/kdmlib/kgreeterplugin.h b/kdmlib/kgreeterplugin.h
new file mode 100644
index 000000000..e7677415c
--- /dev/null
+++ b/kdmlib/kgreeterplugin.h
@@ -0,0 +1,401 @@
+/*
+
+    Authentication method specific conversation plugin for KDE's greeter widgets
+
+    Copyright (C) 2003 Oswald Buddenhagen <ossi@kde.org>
+    Copyright (C) 2003 Fabian Kaiser <xfk@softpro.de>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library 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
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#ifndef KGREETERPLUGIN_H
+#define KGREETERPLUGIN_H
+
+#include <qvariant.h>
+#include <qmessagebox.h>
+#include <kdemacros.h>
+
+class KdmThemer;
+
+class QWidget;
+class QLayoutItem;
+
+class KGreeterPluginHandler {
+public:
+    /* keep in sync with V_IS_* */
+    enum { IsSecret = 1, IsUser = 2, IsPassword = 4, IsOldPassword = 8,
+           IsNewPassword = 16 };
+    /**
+     * Reply to textPrompt().
+     * @param text text to return to core; null to abort auth cycle
+     * @param tag zero or one of Is*
+     */
+    virtual void gplugReturnText( const char *text, int tag ) = 0;
+    /**
+     * Reply to binaryPrompt().
+     * @param data data in pam_client format to return to the core;
+     *  null to abort auth cycle
+     */
+    virtual void gplugReturnBinary( const char *data ) = 0;
+    /**
+     * Tell the greeter who is logging in.
+     * Call this preferably before gplugStart, as otherwise the .dmrc
+     * load will be delayed. Don't call at all if your plugin doesn't
+     * have the Local flag set. Call only for internally generated
+     * user changes.
+     * @param user the user logging in
+     */
+    virtual void gplugSetUser( const QString &user ) = 0;
+    /**
+     * Start processing.
+     */
+    virtual void gplugStart() = 0;
+    /**
+     * Plugins that expect user input from a different device than the mouse or
+     * keyboard must call this when user activity is detected to prevent the
+     * greeter from resetting/going away. Events should be compressed to no
+     * more than ten per second; one every five seconds is actually enough.
+     * Events should be actual changes to the input fields, not random motion.
+     */
+    virtual void gplugActivity() = 0;
+    /**
+     * Show a message box on behalf of the talker.
+     * @param type message severity
+     * @param text message text
+     */
+    virtual void gplugMsgBox( QMessageBox::Icon type, const QString &text ) = 0;
+};
+
+/**
+ * Abstract base class for conversation plugins ("talkers") to be used with
+ * KDM, kdesktop_lock, etc.
+ * The authentication method used by a particular instance of a plugin
+ * may be configurable, but the instance must handle exactly one method,
+ * i.e., info->method must be determined at the latest at init() time.
+ */
+class KGreeterPlugin {
+public:
+    KGreeterPlugin( KGreeterPluginHandler *h ) : handler( h ) {}
+    virtual ~KGreeterPlugin() {}
+
+    /**
+     * Variations of the talker:
+     * - Authenticate: authentication
+     * - AuthChAuthTok: authentication and password change
+     * - ChAuthTok: password change
+     */
+    enum Function { Authenticate, AuthChAuthTok, ChAuthTok };
+
+    /**
+     * Contexts the talker can be used in:
+     * - Login: kdm login dialog
+     * - Shutdown: kdm shutdown dialog
+     * - Unlock: kdm unlock dialog (TODO)
+     * - ChangeTok: kdm password change dialog (TODO)
+     * - ExUnlock: kdesktop_lock unlock dialog
+     * - ExChangeTok: kdepasswd password change dialog (TODO)
+     *
+     * The Ex* contexts exist within a running session; the talker must know
+     * how to obtain the currently logged in user (+ domain/realm, etc.)
+     * itself (i.e., fixedEntity will be null). The non-Ex variants will have
+     * a fixedEntity passed in.
+     */
+    enum Context { Login, Shutdown, Unlock, ChangeTok,
+                   ExUnlock, ExChangeTok };
+
+    /**
+     * Provide the talker with a list of selectable users. This can be used
+     * for autocompletion, etc.
+     * Will be called only when not running.
+     * @param users the users to load.
+     */
+    virtual void loadUsers( const QStringList &users ) = 0;
+
+    /**
+     * Preload the talker with an (opaque to the greeter) entity.
+     * Will be called only when not running.
+     * @param entity the entity to preload the talker with. That
+     *  will usually be something like "user" or "user@domain".
+     * @param field the sub-widget (probably line edit) to put the cursor into.
+     *  If -1, preselect the user for timed login. This means pre-filling
+     *  the password field with anything, disabling it, and placing the
+     *  cursor in the user name field.
+     */
+    virtual void presetEntity( const QString &entity, int field ) = 0;
+
+    /**
+     * Obtain the actually logged in entity.
+     * Will be called only after succeeded() was called.
+     */
+    virtual QString getEntity() const = 0;
+
+    /**
+     * "Push" a user into the talker. That can be a click into the user list
+     * or successful authentication without the talker calling gplugSetUser.
+     * Will be called only when running.
+     * @param user the user to set. Note that this is a UNIX login, not a
+     *  canonical entity
+     */
+    virtual void setUser( const QString &user ) = 0;
+
+    /**
+     * En-/disable any widgets contained in the talker.
+     * Will be called only when not running.
+     * @param on the state to set
+     */
+    virtual void setEnabled( bool on ) = 0;
+
+    /**
+     * Called when a message from the authentication backend arrives.
+     * @param message the message received from the backend
+     * @param error if true, @p message is an error message, otherwise it's
+     *  an informational message
+     * @return true means that the talker already handled the message, false
+     *  that the greeter should display it in a message box
+     *
+     * FIXME: Filtering a message usually means that the backend issued a
+     * prompt and obtains the authentication data itself. However, in that
+     * state the backend is unresponsive, e.g., no shutdown is possible.
+     * The frontend could send the backend a signal, but the "escape path"
+     * within the backend is unclear (PAM won't like simply longjmp()ing
+     * out of it).
+     */
+    virtual bool textMessage( const char *message, bool error ) = 0;
+
+    /**
+     * Prompt the user for data. Reply by calling handler->gplugReturnText().
+     * @param propmt the prompt to display. It may be null, in which case
+     *  "Username"/"Password" should be shown and the replies should be tagged
+     *  with the respective Is* flag.
+     * @param echo if true, a normal input widget can be used, otherwise one that
+     *  visually obscures the user's input.
+     * @param nonBlocking if true, report whatever is already available,
+     *  otherwise wait for user input.
+     */
+    virtual void textPrompt( const char *prompt, bool echo, bool nonBlocking ) = 0;
+
+    /**
+     * Request binary authentication data from the talker. Reply by calling
+     * handler->gplugReturnBinary().
+     * @param prompt prompt in pam_client format
+     * @param nonBlocking if true, report whatever is already available,
+     *  otherwise wait for user input.
+     * @return always true for now
+     *
+     * TODO:
+     * @return if true, the prompt was handled by the talker, otherwise the
+     *  handler has to use libpam_client to obtain the authentication data.
+     *  In that state the talker still can abort the data fetch by
+     *  gplugReturn()ing a null array. When the data was obtained, another
+     *  binaryPrompt with a null prompt will be issued.
+     */
+    virtual bool binaryPrompt( const char *prompt, bool nonBlocking ) = 0;
+
+    /**
+     * This can either
+     *  - Start a processing cycle. Will be called only when not running.
+     *  - Restart authTok cycle - will be called while running and implies
+     *    revive(). PAM is a bit too clever, so we need this.
+     * In any case the talker is running afterwards.
+     */
+    virtual void start() = 0;
+
+    /**
+     * Request to suspend the auth. Make sure that a second talker of any
+     * type will be able to operate while this one is suspended (no busy
+     * device nodes, etc.).
+     * Will be called only if running within Login context. (Actually it
+     * won't be called at all, but be prepared.)
+     */
+    virtual void suspend() = 0;
+
+    /**
+     * Request to resume the auth from the point it was suspended at.
+     * Will be called only when suspended.
+     */
+    virtual void resume() = 0;
+
+    /**
+     * The "login" button was pressed in the greeter.
+     * This might call gplugReturn* or gplugStart.
+     * Will be called only when running.
+     */
+    virtual void next() = 0;
+
+    /**
+     * Abort auth cycle. Note that this should _not_ clear out already
+     * entered auth tokens if they are still on the screen.
+     * Will be called only when running and stops it.
+     */
+    virtual void abort() = 0;
+
+    /**
+     * Indicate successful end of the current phase.
+     * This is more or less a request to disable editable widgets
+     * responsible for the that phase.
+     * There will be no further attempt to enter that phase until the
+     * widget is destroyed.
+     * Will be called only when running and stops it.
+     */
+    virtual void succeeded() = 0;
+
+    /**
+     * Indicate unsuccessful end of the current phase.
+     * This is mostly a request to disable all editable widgets.
+     * The widget will be treated as dead until revive() is called.
+     * Will be called only when running and stops it.
+     */
+    virtual void failed() = 0;
+
+    /**
+     * Prepare retrying the previously failed phase.
+     * This is mostly a request to re-enable all editable widgets failed()
+     * disabled previously, clear the probably incorrect authentication tokens
+     * and to set the input focus appropriately.
+     * Will be called only after failed() (possibly with clear() in between),
+     * or after presetEntity() with field -1.
+     */
+    virtual void revive() = 0;
+
+    /**
+     * Clear any edit widgets, particularily anything set by setUser.
+     * Will be called only when not running.
+     */
+    virtual void clear() = 0;
+
+    /**
+     * Obtain the QLayoutItem containg the widget(s) to actually handle the
+     * conversation. See QLayout and QWidgetItem for possible implementations.
+     */
+    QLayoutItem *getLayoutItem() const { return layoutItem; }
+
+protected:
+    KGreeterPluginHandler *handler;
+    QLayoutItem *layoutItem;
+};
+
+struct KDE_EXPORT kgreeterplugin_info {
+    /**
+     * Human readable name of this plugin (should be a little more
+     * informative than just the libary name). Must be I18N_NOOP()ed.
+     */
+    const char *name;
+
+    /**
+     * The authentication method to use - the meaning is up to the backend,
+     * but will usually be related to the PAM service.
+     */
+    const char *method;
+
+    /**
+     * Capabilities.
+     */
+    enum {
+        /**
+         * All users exist on the local system permanently (will be listed
+         * by getpwent()); an entity corresponds to a UNIX user.
+         */
+        Local = 1,
+        /**
+         * The entities consist of multiple fields.
+         * PluginOptions/<plugin>.FocusField is used instead of FocusPasswd.
+         */
+        Fielded = 2,
+        /**
+         * An entity can be preset, the talker has a widget where a user can
+         * be selected explicitly. If the method is "classic", timed login
+         * is possible, too.
+         * This also means that setUser/gplugSetUser can be used and a
+         * userlist can be shown at all - provided Local is set as well.
+         */
+        Presettable = 4
+    };
+
+    /*
+     * Capability flags.
+     */
+    int flags;
+
+    /**
+     * Call after loading the plugin.
+     *
+     * @param method if non-empty and the plugin is unable to handle that
+     *  method, return false. If the plugin has a constant method defined
+     *  above, it can ignore this parameter.
+     * @param getConf can be used to obtain configuration items from the
+     *  greeter; you have to pass it the @p ctx pointer.
+     *   The only predefined key (in KDM) is "EchoMode", which is an int
+     *   (in fact, KPasswordEdit::EchoModes).
+     *   Other keys are obtained from the PluginOptions option; see kdmrc
+     *   for details.
+     *   If the key is unknown, dflt is returned.
+     * @param ctx context pointer for @p getConf
+     * @return if false, unload the plugin again (don't call done() first)
+     */
+    bool (*init)( const QString &method,
+                  QVariant (*getConf)( void *ctx, const char *key,
+                                       const QVariant &dflt ),
+                  void *ctx );
+
+    /**
+     * Call before unloading the plugin.
+     * This pointer can be null.
+     */
+    void (*done)( void );
+
+    /**
+     * Factory method to create an instance of the plugin.
+     * Note that multiple instances can exist at one time, but only
+     * one of them is active at any moment (the others would be suspended
+     * or not running at all).
+     * @param handler the object offering the necessary callbacks
+     * @param parent parent widget
+     * @param predecessor the focus widget before the conversation widget
+     * @param fixedEntity see below
+     * @param func see below
+     * @param ctx see below
+     * @return an instance of this conversation plugin
+     *
+     * Valid combinations of Function and Context:
+     * - Authenticate:Login - init
+     * - Authenticate:Shutdown - init, for now "root" is passed as fixedEntitiy
+     *  and it is not supposed to be displayed. Plugins with Local not set
+     *  might have to conjure something up to make getEntity() return a
+     *  canonical entitiy. FIXME: don't restrict shutdown to root.
+     * - AuthChAuthTok:Login, AuthChAuthTok:Shutdown - cont/cont,
+     *  only relevant for classic method (as it is relevant only for password-
+     *  less logins, which always use classic). The login should not be shown -
+     *  it is known to the user already; the backend won't ask for it, either.
+     * - ChAuthTok:Login & ChAuthTok:Shutdown - cont
+     * - Authenticate:Unlock & Authenticate:ExUnlock - init,
+     *   AuthChAuthTok:ChangeTok & AuthChAuthTok:ExChangeTok - init/cont,
+     *  display fixedEntity as labels. The backend does not ask for the UNIX
+     *  login, as it already knows it - but it will ask for all components of
+     *  the entity if it is no UNIX login.
+     *
+     * "init" means that the plugin is supposed to call gplugStart, "cont"
+     * that the backend is already in a cycle of the method the plugin was
+     * initialized with.
+     */
+    KGreeterPlugin *(*create)( KGreeterPluginHandler *handler,
+                               KdmThemer *themer,
+                               QWidget *parent, QWidget *predecessor,
+                               const QString &fixedEntity,
+                               KGreeterPlugin::Function func,
+                               KGreeterPlugin::Context ctx );
+};
+
+#endif