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tdebase/kdmlib/kgreet_pam.cpp

676 lines
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/*
Conversation widget for kdm greeter
Copyright (C) 2008 Dirk Mueller <mueller@kde.org>
based on classic 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_pam.h"
#include "themer/kdmthemer.h"
#include "themer/kdmlabel.h"
#include <klocale.h>
#include <klineedit.h>
#include <kpassdlg.h>
#include <kuser.h>
#include <tqregexp.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqtimer.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <syslog.h>
//#define PAM_GREETER_DEBUG
class KDMPasswordEdit : public KPasswordEdit {
public:
KDMPasswordEdit( TQWidget *parent ) : KPasswordEdit( parent, 0 ) {}
KDMPasswordEdit( KPasswordEdit::EchoModes echoMode, TQWidget *parent ) : KPasswordEdit( echoMode, parent, 0 ) {}
protected:
virtual void contextMenuEvent( TQContextMenuEvent * ) {}
};
static FILE* log;
static void kg_debug(const char* fmt, ...)
{
va_list lst;
va_start(lst, fmt);
#ifdef PAM_GREETER_DEBUG
#if 0
vfprintf(log, fmt, lst);
fflush(log);
#else
char buf[6000];
sprintf(buf, "*** %s\n", fmt);
vsyslog(LOG_WARNING, buf, lst);
#endif
#endif
va_end(lst);
}
static KPasswordEdit::EchoModes echoMode;
KPamGreeter::KPamGreeter( KGreeterPluginHandler *_handler,
KdmThemer *themer,
TQWidget *parent, TQWidget *pred,
const TQString &_fixedEntity,
Function _func, Context _ctx ) :
TQObject(),
KGreeterPlugin( _handler ),
fixedUser( _fixedEntity ),
func( _func ),
ctx( _ctx ),
exp( -1 ),
pExp( -1 ),
running( false )
{
ctx = Login;
kg_debug("KPamGreeter constructed\n");
m_parentWidget = parent;
KdmItem *user_entry = 0, *pw_entry = 0;
int line = 0;
layoutItem = 0;
if (themer &&
(!(user_entry = themer->findNode( "user-entry" )) ||
!(pw_entry = themer->findNode( "pw-entry" ))))
themer = 0;
m_themer = themer;
if (!themer)
layoutItem = TQT_TQLAYOUTITEM(new TQGridLayout( 0, 0, 10 ));
loginLabel = 0;
authLabel.clear();
authEdit.clear();
loginLabel = 0;
loginEdit = 0;
if (ctx == ExUnlock || ctx == ExChangeTok)
fixedUser = KUser().loginName();
if (func != ChAuthTok) {
kg_debug("func != ChAuthTok\n");
kg_debug("fixedUser: *%s*\n", fixedUser.latin1());
if (fixedUser.isEmpty()) {
loginEdit = new KLineEdit( parent );
loginEdit->setContextMenuEnabled( false );
connect( loginEdit, TQT_SIGNAL(lostFocus()), TQT_SLOT(slotLoginLostFocus()) );
connect( loginEdit, TQT_SIGNAL(lostFocus()), TQT_SLOT(slotActivity()) );
connect( loginEdit, TQT_SIGNAL(textChanged( const TQString & )), TQT_SLOT(slotActivity()) );
connect( loginEdit, TQT_SIGNAL(selectionChanged()), TQT_SLOT(slotActivity()) );
if (pred) {
parent->setTabOrder( pred, loginEdit );
pred = loginEdit;
}
if (!getLayoutItem()) {
loginEdit->adjustSize();
user_entry->setWidget( loginEdit );
} else {
loginLabel = new TQLabel( loginEdit, i18n("Username:"), parent );
getLayoutItem()->addWidget( loginLabel, line, 0 );
getLayoutItem()->addWidget( loginEdit, line++, 1 );
}
} else if (ctx != Login && ctx != Shutdown && getLayoutItem()) {
loginLabel = new TQLabel( i18n("Username:"), parent );
getLayoutItem()->addWidget( loginLabel, line, 0 );
getLayoutItem()->addWidget( new TQLabel( fixedUser, parent ), line++, 1 );
}
#if 0
if (echoMode == -1)
passwdEdit = new KDMPasswordEdit( parent );
else
passwdEdit = new KDMPasswordEdit( echoMode,
parent );
connect( passwdEdit, TQT_SIGNAL(textChanged( const TQString & )),
TQT_SLOT(slotActivity()) );
connect( passwdEdit, TQT_SIGNAL(lostFocus()), TQT_SLOT(slotActivity()) );
if (pred) {
parent->setTabOrder( pred, passwdEdit );
pred = passwdEdit;
}
if (!getLayoutItem()) {
passwdEdit->adjustSize();
pw_entry->setWidget( passwdEdit );
} else {
passwdLabel = new TQLabel( passwdEdit,
func == Authenticate ?
i18n("hello &Password:") :
i18n("Current &password:"),
parent );
getLayoutItem()->addWidget( passwdLabel, line, 0 );
getLayoutItem()->addWidget( passwdEdit, line++, 1 );
}
#endif
if (loginEdit)
loginEdit->setFocus();
}
if (func != Authenticate) {
if (echoMode == -1) {
authEdit << new KDMPasswordEdit( echoMode, parent );
authEdit << new KDMPasswordEdit( echoMode, parent );
} else {
authEdit << new KDMPasswordEdit( parent );
authEdit << new KDMPasswordEdit( parent );
}
authLabel << new TQLabel( authEdit[0], i18n("&New password:"), parent );
authLabel << new TQLabel( authEdit[1], i18n("Con&firm password:"), parent );
if (pred) {
parent->setTabOrder( pred, authEdit[0] );
parent->setTabOrder( authEdit[0], authEdit[1] );
}
if (getLayoutItem()) {
getLayoutItem()->addWidget( authLabel[0], line, 0 );
getLayoutItem()->addWidget( authEdit[0], line++, 1 );
getLayoutItem()->addWidget( authLabel[1], line, 0 );
getLayoutItem()->addWidget( authEdit[1], line, 1 );
}
if (authEdit.size() >= 2)
authEdit[1]->setFocus();
}
}
// virtual
KPamGreeter::~KPamGreeter()
{
kg_debug("KPamGreeter::~KPamGreeter");
abort();
if (!layoutItem) {
delete loginEdit;
return;
}
TQLayoutIterator it = TQT_TQLAYOUT(layoutItem)->iterator();
for (TQLayoutItem *itm = it.current(); itm; itm = ++it)
delete itm->widget();
delete layoutItem;
kg_debug("destructor finished, good bye");
}
void // virtual
KPamGreeter::loadUsers( const TQStringList &users )
{
KCompletion *userNamesCompletion = new KCompletion;
userNamesCompletion->setItems( users );
loginEdit->setCompletionObject( userNamesCompletion );
loginEdit->setAutoDeleteCompletionObject( true );
loginEdit->setCompletionMode( KGlobalSettings::CompletionAuto );
}
void // virtual
KPamGreeter::presetEntity( const TQString &entity, int field )
{
kg_debug("presetEntity(%s,%d) called!\n", entity.latin1(), field);
loginEdit->setText( entity );
if (field == 1 && authEdit.size() >= 1)
authEdit[0]->setFocus();
else {
loginEdit->setFocus();
loginEdit->selectAll();
if (field == -1 && authEdit.size() >= 1) {
authEdit[0]->setText( " " );
authEdit[0]->setEnabled( false );
authTok = false;
}
}
curUser = entity;
}
TQString // virtual
KPamGreeter::getEntity() const
{
return fixedUser.isEmpty() ? loginEdit->text() : fixedUser;
}
void // virtual
KPamGreeter::setUser( const TQString &user )
{
// assert( fixedUser.isEmpty() );
curUser = user;
loginEdit->setText( user );
if (authEdit.size() >= 1) {
authEdit[0]->setFocus();
authEdit[0]->selectAll();
}
}
void // virtual
KPamGreeter::setPassword( const TQString &pass )
{
authEdit[0]->erase();
authEdit[0]->insert( pass );
}
void // virtual
KPamGreeter::setEnabled(bool enable)
{
// assert( !passwd1Label );
// assert( func == Authenticate && ctx == Shutdown );
// if (loginLabel)
// loginLabel->setEnabled( enable );
authEdit[0]->setEnabled( enable );
setActive( enable );
if (enable)
authEdit[0]->setFocus();
}
void // private
KPamGreeter::returnData()
{
kg_debug("*************** returnData called with exp %d\n", exp);
switch (exp) {
case 0:
handler->gplugReturnText( (loginEdit ? loginEdit->text() :
fixedUser).local8Bit(),
KGreeterPluginHandler::IsUser );
break;
case 1:
handler->gplugReturnText( authEdit[0]->password(),
KGreeterPluginHandler::IsPassword |
KGreeterPluginHandler::IsSecret );
break;
case 2:
handler->gplugReturnText( authEdit[1]->password(),
KGreeterPluginHandler::IsSecret );
break;
default: // case 3:
handler->gplugReturnText( authEdit[2]->password(),
KGreeterPluginHandler::IsNewPassword |
KGreeterPluginHandler::IsSecret );
break;
}
}
bool // virtual
KPamGreeter::textMessage( const char *text, bool err )
{
kg_debug(" ************** textMessage(%s, %d)\n", text, err);
if (!authEdit.size())
return false;
if (getLayoutItem()) {
TQLabel* label = new TQLabel(TQString::fromUtf8(text), m_parentWidget);
getLayoutItem()->addWidget(label, state+1, 0, 0);
}
return true;
}
void // virtual
KPamGreeter::textPrompt( const char *prompt, bool echo, bool nonBlocking )
{
kg_debug("textPrompt called with prompt %s echo %d nonBlocking %d", prompt, echo, nonBlocking);
kg_debug("state is %d, authEdit.size is %d\n", state, authEdit.size());
if (state == 0 && echo) {
if (loginLabel)
loginLabel->setText(TQString::fromUtf8(prompt));
else if (m_themer) {
KdmLabel *kdmlabel = static_cast<KdmLabel*>(m_themer->findNode("user-label"));
if (kdmlabel) {
//userLabel->setText(TQString::fromUtf8(prompt));
kdmlabel->label.text = TQString::fromUtf8(prompt);
TQTimer::singleShot(0, kdmlabel, TQT_SLOT(update()));
}
}
}
else if (state >= authEdit.size()) {
if (getLayoutItem()) {
TQLabel* label = new TQLabel(TQString::fromUtf8(prompt), m_parentWidget);
getLayoutItem()->addWidget(label, state+1, 0, 0);
kg_debug("added label widget to layout");
}
else if (m_themer) {
kg_debug("themer found!");
KdmItem *pw_label = 0;
KdmLabel *kdmlabel = static_cast<KdmLabel*>(m_themer->findNode("pw-label"));
if (kdmlabel) {
//userLabel->setText(TQString::fromUtf8(prompt));
TQString str = TQString::fromUtf8(prompt);
kdmlabel->label.text = str;
TQTimer::singleShot(0, kdmlabel, TQT_SLOT(update()));
}
}
KDMPasswordEdit* passwdEdit;
if (echoMode == -1)
passwdEdit = new KDMPasswordEdit( m_parentWidget );
else
passwdEdit = new KDMPasswordEdit( echoMode, m_parentWidget);
connect( passwdEdit, TQT_SIGNAL(textChanged( const TQString & )),
TQT_SLOT(slotActivity()) );
connect( passwdEdit, TQT_SIGNAL(lostFocus()), TQT_SLOT(slotActivity()) );
authEdit << passwdEdit;
#if 1
for(TQValueList<KPasswordEdit*>::iterator it = authEdit.begin();
it != authEdit.end();
++it) {
if ((*it)->isEnabled() && (*it)->text().isEmpty()) {
(*it)->setFocus();
break;
}
}
#endif
if (getLayoutItem())
getLayoutItem()->addWidget(passwdEdit, state+1, 1, 0);
if (m_themer) {
kg_debug("themer found!");
KdmItem *pw_entry = 0;
pw_entry = m_themer->findNode("pw-entry");
if (pw_entry && passwdEdit)
pw_entry->setWidget(passwdEdit);
if (0) {
//userLabel->setText(TQString::fromUtf8(prompt));
//kdmlabel->label.text = TQString::fromUtf8(prompt);
//TQTimer::singleShot(0, kdmlabel, TQT_SLOT(update()));
}
}
else
kg_debug("no themer found!");
}
++state;
pExp = exp;
exp = authEdit.size();
kg_debug("state %d exp: %d, has %d\n", state, exp, has);
if (has >= exp || nonBlocking)
returnData();
}
bool // virtual
KPamGreeter::binaryPrompt( const char *, bool )
{
// this simply cannot happen ... :}
return true;
}
void // virtual
KPamGreeter::start()
{
kg_debug("******* start() called\n");
while(authEdit.begin() != authEdit.end()) {
KPasswordEdit* item = *authEdit.remove(authEdit.begin());
delete item;
}
while(authLabel.begin() != authLabel.end()) {
TQLabel* item = *authLabel.remove(authLabel.begin());
delete item;
}
authTok = !(authEdit.size() >= 2 && authEdit[1]->isEnabled());
exp = has = -1;
state = 0;
running = true;
handler->gplugStart();
}
void // virtual
KPamGreeter::suspend()
{
}
void // virtual
KPamGreeter::resume()
{
}
void // virtual
KPamGreeter::next()
{
kg_debug("********* next() called state %d\n", state);
if (state == 0 && running && handler) {
kg_debug(" **** returned text!\n");
handler->gplugReturnText( (loginEdit ? loginEdit->text() :
fixedUser).local8Bit(),
KGreeterPluginHandler::IsUser );
setActive(false);
}
has = 0;
for(TQValueList<KPasswordEdit*>::iterator it = authEdit.begin();
it != authEdit.end();
++it) {
has++;
if ((*it)->hasFocus()) {
++it;
if (it != authEdit.end())
(*it)->setFocus();
break;
}
if (it == authEdit.end())
has = -1;
}
kg_debug(" has %d and exp %d\n", has, exp);
#if 0
// 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();
#endif
if (has >= exp)
returnData();
}
void // virtual
KPamGreeter::abort()
{
kg_debug("***** abort() called\n");
running = false;
if (exp >= 0) {
exp = -1;
handler->gplugReturnText( 0, 0 );
}
}
void // virtual
KPamGreeter::succeeded()
{
kg_debug("**** succeeded() called\n");
// assert( running || timed_login );
if (!authTok)
setActive( false );
else
setAllActive( false );
exp = -1;
running = false;
}
void // virtual
KPamGreeter::failed()
{
// assert( running || timed_login );
setActive( false );
setAllActive( false );
exp = -1;
running = false;
}
#include<assert.h>
void // virtual
KPamGreeter::revive()
{
// assert( !running );
setAllActive( true );
#if 1
if (authEdit.size() < 1)
return;
#endif
assert(authEdit.size() >= 1);
if (authTok) {
authEdit[0]->erase();
if(authEdit.size() >= 2)
authEdit[1]->erase();
authEdit[0]->setFocus();
} else {
authEdit[0]->erase();
if (loginEdit && loginEdit->isEnabled())
authEdit[0]->setEnabled( true );
else {
setActive( true );
if (loginEdit && loginEdit->text().isEmpty())
loginEdit->setFocus();
else
authEdit[0]->setFocus();
}
}
}
void // virtual
KPamGreeter::clear()
{
// assert( !running && !passwd1Edit );
authEdit[0]->erase();
if (loginEdit) {
loginEdit->clear();
loginEdit->setFocus();
curUser = TQString::null;
} else
authEdit[0]->setFocus();
}
// private
void
KPamGreeter::setActive( bool enable )
{
if (loginEdit)
loginEdit->setEnabled( enable );
}
void
KPamGreeter::setAllActive( bool enable )
{
for(TQValueList<KPasswordEdit*>::iterator it = authEdit.begin();
it != authEdit.end();
++it)
(*it)->setEnabled( enable );
}
void
KPamGreeter::slotLoginLostFocus()
{
if (!running)
return;
if (exp > 0) {
if (curUser == loginEdit->text())
return;
exp = -1;
handler->gplugReturnText( 0, 0 );
}
curUser = loginEdit->text();
kg_debug("curUser is %s", curUser.latin1());
handler->gplugSetUser( curUser );
}
void
KPamGreeter::slotActivity()
{
kg_debug("slotActivity");
if (running)
handler->gplugActivity();
}
// factory
static bool init( const TQString &,
TQVariant (*getConf)( void *, const char *, const TQVariant & ),
void *ctx )
{
echoMode = (KPasswordEdit::EchoModes) getConf( ctx, "EchoMode", TQVariant( -1 ) ).toInt();
KGlobal::locale()->insertCatalogue( "kgreet_pam" );
return true;
}
static void done( void )
{
KGlobal::locale()->removeCatalogue( "kgreet_pam" );
if (log && log != stderr)
fclose(log);
log = 0;
}
static KGreeterPlugin *
create( KGreeterPluginHandler *handler, KdmThemer *themer,
TQWidget *parent, TQWidget *predecessor,
const TQString &fixedEntity,
KGreeterPlugin::Function func,
KGreeterPlugin::Context ctx )
{
return new KPamGreeter( handler, themer, parent, predecessor, fixedEntity, func, ctx );
}
KDE_EXPORT kgreeterplugin_info kgreeterplugin_info = {
I18N_NOOP("Pam conversation plugin"), "pam",
kgreeterplugin_info::Local | kgreeterplugin_info::Presettable,
init, done, create
};
#include "kgreet_pam.moc"