diff options
Diffstat (limited to 'tdmlib/kgreet_pam.cpp')
| -rw-r--r-- | tdmlib/kgreet_pam.cpp | 675 |
1 files changed, 675 insertions, 0 deletions
diff --git a/tdmlib/kgreet_pam.cpp b/tdmlib/kgreet_pam.cpp new file mode 100644 index 000000000..82506fb43 --- /dev/null +++ b/tdmlib/kgreet_pam.cpp @@ -0,0 +1,675 @@ +/* + +Conversation widget for tdm greeter + +Copyright (C) 2008 Dirk Mueller <mueller@kde.org> + +based on classic tdm 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/tdmthemer.h" +#include "themer/tdmlabel.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 TDMPasswordEdit : public KPasswordEdit { +public: + TDMPasswordEdit( TQWidget *parent ) : KPasswordEdit( parent, 0 ) {} + TDMPasswordEdit( 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 TDMPasswordEdit( parent ); + else + passwdEdit = new TDMPasswordEdit( 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 TDMPasswordEdit( echoMode, parent ); + authEdit << new TDMPasswordEdit( echoMode, parent ); + } else { + authEdit << new TDMPasswordEdit( parent ); + authEdit << new TDMPasswordEdit( 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 *tdmlabel = static_cast<KdmLabel*>(m_themer->findNode("user-label")); + if (tdmlabel) { + //userLabel->setText(TQString::fromUtf8(prompt)); + tdmlabel->label.text = TQString::fromUtf8(prompt); + TQTimer::singleShot(0, tdmlabel, 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 *tdmlabel = static_cast<KdmLabel*>(m_themer->findNode("pw-label")); + if (tdmlabel) { + //userLabel->setText(TQString::fromUtf8(prompt)); + TQString str = TQString::fromUtf8(prompt); + tdmlabel->label.text = str; + TQTimer::singleShot(0, tdmlabel, TQT_SLOT(update())); + } + } + + TDMPasswordEdit* passwdEdit; + + if (echoMode == -1) + passwdEdit = new TDMPasswordEdit( m_parentWidget ); + else + passwdEdit = new TDMPasswordEdit( 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)); + //tdmlabel->label.text = TQString::fromUtf8(prompt); + //TQTimer::singleShot(0, tdmlabel, 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" |