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Diffstat (limited to 'kcontrol/kdm/main.cpp')
| -rw-r--r-- | kcontrol/kdm/main.cpp | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/kcontrol/kdm/main.cpp b/kcontrol/kdm/main.cpp new file mode 100644 index 000000000..12c356e5c --- /dev/null +++ b/kcontrol/kdm/main.cpp @@ -0,0 +1,336 @@ +/* + * main.cpp + * + * Copyright (c) 1999 Matthias Hoelzer-Kluepfel <hoelzer@kde.org> + * + * Requires the Qt widget libraries, available at no cost at + * http://www.troll.no/ + * + * 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 <config.h> + +#include <qlayout.h> + +#include <kaboutdata.h> +#include <kgenericfactory.h> +#include <kimageio.h> +#include <kmessagebox.h> +#include <kurldrag.h> + +#include "kdm-appear.h" +#include "kdm-font.h" +#include "kdm-users.h" +#include "kdm-shut.h" +#include "kdm-conv.h" + +#include "main.h" +#include "background.h" + +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <locale.h> +#include <pwd.h> +#include <grp.h> + +typedef KGenericFactory<KDModule, QWidget> KDMFactory; +K_EXPORT_COMPONENT_FACTORY( kcm_kdm, KDMFactory("kdmconfig") ) + +KURL *decodeImgDrop(QDropEvent *e, QWidget *wdg) +{ + KURL::List uris; + + if (KURLDrag::decode(e, uris) && (uris.count() > 0)) { + KURL *url = new KURL(uris.first()); + + KImageIO::registerFormats(); + if( KImageIO::canRead(KImageIO::type(url->fileName())) ) + return url; + + QStringList qs = QStringList::split('\n', KImageIO::pattern()); + qs.remove(qs.begin()); + + QString msg = i18n( "%1 " + "does not appear to be an image file.\n" + "Please use files with these extensions:\n" + "%2") + .arg(url->fileName()) + .arg(qs.join("\n")); + KMessageBox::sorry( wdg, msg); + delete url; + } + return 0; +} + +KSimpleConfig *config; + +KDModule::KDModule(QWidget *parent, const char *name, const QStringList &) + : KCModule(KDMFactory::instance(), parent, name) + , minshowuid(0) + , maxshowuid(0) + , updateOK(false) +{ + KAboutData *about = + new KAboutData(I18N_NOOP("kcmkdm"), I18N_NOOP("KDE Login Manager Config Module"), + 0, 0, KAboutData::License_GPL, + I18N_NOOP("(c) 1996 - 2005 The KDM Authors")); + + about->addAuthor("Thomas Tanghus", I18N_NOOP("Original author"), "tanghus@earthling.net"); + about->addAuthor("Steffen Hansen", 0, "hansen@kde.org"); + about->addAuthor("Oswald Buddenhagen", I18N_NOOP("Current maintainer"), "ossi@kde.org"); + + setQuickHelp( i18n( "<h1>Login Manager</h1> In this module you can configure the " + "various aspects of the KDE Login Manager. This includes " + "the look and feel as well as the users that can be " + "selected for login. Note that you can only make changes " + "if you run the module with superuser rights. If you have not started the KDE " + "Control Center with superuser rights (which is absolutely the right thing to " + "do, by the way), click on the <em>Modify</em> button to acquire " + "superuser rights. You will be asked for the superuser password." + "<h2>Appearance</h2> On this tab page, you can configure how " + "the Login Manager should look, which language it should use, and which " + "GUI style it should use. The language settings made here have no influence on " + "the user's language settings." + "<h2>Font</h2>Here you can choose the fonts that the Login Manager should use " + "for various purposes like greetings and user names. " + "<h2>Background</h2>If you want to set a special background for the login " + "screen, this is where to do it." + "<h2>Shutdown</h2> Here you can specify who is allowed to shutdown/reboot the machine " + "and whether a boot manager should be used." + "<h2>Users</h2>On this tab page, you can select which users the Login Manager " + "will offer you for logging in." + "<h2>Convenience</h2> Here you can specify a user to be logged in automatically, " + "users not needing to provide a password to log in, and other convenience features.<br>" + "Note, that these settings are security holes by their nature, so use them very carefully.")); + + setAboutData( about ); + + setlocale( LC_COLLATE, "C" ); + + KGlobal::locale()->insertCatalogue("kcmbackground"); + + QStringList sl; + QMap<gid_t,QStringList> tgmap; + QMap<gid_t,QStringList>::Iterator tgmapi; + QMap<gid_t,QStringList>::ConstIterator tgmapci; + QMap<QString, QPair<int,QStringList> >::Iterator umapi; + + struct passwd *ps; + for (setpwent(); (ps = getpwent()); ) { + QString un( QFile::decodeName( ps->pw_name ) ); + if (usermap.find( un ) == usermap.end()) { + usermap.insert( un, QPair<int,QStringList>( ps->pw_uid, sl ) ); + if ((tgmapi = tgmap.find( ps->pw_gid )) != tgmap.end()) + (*tgmapi).append( un ); + else + tgmap[ps->pw_gid] = un; + } + } + endpwent(); + + struct group *grp; + for (setgrent(); (grp = getgrent()); ) { + QString gn( QFile::decodeName( grp->gr_name ) ); + bool delme = false; + if ((tgmapi = tgmap.find( grp->gr_gid )) != tgmap.end()) { + if ((*tgmapi).count() == 1 && (*tgmapi).first() == gn) + delme = true; + else + for (QStringList::ConstIterator it = (*tgmapi).begin(); + it != (*tgmapi).end(); ++it) + usermap[*it].second.append( gn ); + tgmap.remove( tgmapi ); + } + if (!*grp->gr_mem || + (delme && !grp->gr_mem[1] && gn == QFile::decodeName( *grp->gr_mem ))) + continue; + do { + QString un( QFile::decodeName( *grp->gr_mem ) ); + if ((umapi = usermap.find( un )) != usermap.end()) { + if ((*umapi).second.find( gn ) == (*umapi).second.end()) + (*umapi).second.append( gn ); + } else + kdWarning() << "group '" << gn << "' contains unknown user '" << un << "'" << endl; + } while (*++grp->gr_mem); + } + endgrent(); + + for (tgmapci = tgmap.begin(); tgmapci != tgmap.end(); ++tgmapci) + kdWarning() << "user(s) '" << tgmapci.data().join(",") + << "' have unknown GID " << tgmapci.key() << endl; + + config = new KSimpleConfig( QString::fromLatin1( KDE_CONFDIR "/kdm/kdmrc" )); + + QVBoxLayout *top = new QVBoxLayout(this); + tab = new QTabWidget(this); + + // ***** + // _don't_ add a theme configurator until the theming engine is _really_ done!! + // ***** + + appearance = new KDMAppearanceWidget(this); + tab->addTab(appearance, i18n("A&ppearance")); + connect(appearance, SIGNAL(changed(bool)), SIGNAL( changed(bool))); + + font = new KDMFontWidget(this); + tab->addTab(font, i18n("&Font")); + connect(font, SIGNAL(changed(bool)), SIGNAL(changed(bool))); + + background = new KBackground(this); + tab->addTab(background, i18n("&Background")); + connect(background, SIGNAL(changed(bool)), SIGNAL(changed(bool))); + + sessions = new KDMSessionsWidget(this); + tab->addTab(sessions, i18n("&Shutdown")); + connect(sessions, SIGNAL(changed(bool)), SIGNAL(changed(bool))); + + users = new KDMUsersWidget(this, 0); + tab->addTab(users, i18n("&Users")); + connect(users, SIGNAL(changed(bool)), SIGNAL(changed(bool))); + connect(users, SIGNAL(setMinMaxUID(int,int)), SLOT(slotMinMaxUID(int,int))); + connect(this, SIGNAL(addUsers(const QMap<QString,int> &)), users, SLOT(slotAddUsers(const QMap<QString,int> &))); + connect(this, SIGNAL(delUsers(const QMap<QString,int> &)), users, SLOT(slotDelUsers(const QMap<QString,int> &))); + connect(this, SIGNAL(clearUsers()), users, SLOT(slotClearUsers())); + + convenience = new KDMConvenienceWidget(this, 0); + tab->addTab(convenience, i18n("Con&venience")); + connect(convenience, SIGNAL(changed(bool)), SIGNAL(changed(bool))); + connect(this, SIGNAL(addUsers(const QMap<QString,int> &)), convenience, SLOT(slotAddUsers(const QMap<QString,int> &))); + connect(this, SIGNAL(delUsers(const QMap<QString,int> &)), convenience, SLOT(slotDelUsers(const QMap<QString,int> &))); + connect(this, SIGNAL(clearUsers()), convenience, SLOT(slotClearUsers())); + + load(); + if (getuid() != 0 || !config->checkConfigFilesWritable( true )) { + appearance->makeReadOnly(); + font->makeReadOnly(); + background->makeReadOnly(); + users->makeReadOnly(); + sessions->makeReadOnly(); + convenience->makeReadOnly(); + } + top->addWidget(tab); +} + +KDModule::~KDModule() +{ + delete config; +} + +void KDModule::load() +{ + appearance->load(); + font->load(); + background->load(); + users->load(); + sessions->load(); + convenience->load(); + propagateUsers(); +} + + +void KDModule::save() +{ + appearance->save(); + font->save(); + background->save(); + users->save(); + sessions->save(); + convenience->save(); + config->sync(); +} + + +void KDModule::defaults() +{ + if ( getuid() == 0 ) + { + appearance->defaults(); + font->defaults(); + background->defaults(); + users->defaults(); + sessions->defaults(); + convenience->defaults(); + propagateUsers(); + } +} + +void KDModule::propagateUsers() +{ + groupmap.clear(); + emit clearUsers(); + QMap<QString,int> lusers; + QMapConstIterator<QString, QPair<int,QStringList> > it; + QStringList::ConstIterator jt; + QMap<QString,int>::Iterator gmapi; + for (it = usermap.begin(); it != usermap.end(); ++it) { + int uid = it.data().first; + if (!uid || (uid >= minshowuid && uid <= maxshowuid)) { + lusers[it.key()] = uid; + for (jt = it.data().second.begin(); jt != it.data().second.end(); ++jt) + if ((gmapi = groupmap.find( *jt )) == groupmap.end()) { + groupmap[*jt] = 1; + lusers['@' + *jt] = -uid; + } else + (*gmapi)++; + } + } + emit addUsers(lusers); + updateOK = true; +} + +void KDModule::slotMinMaxUID(int min, int max) +{ + if (updateOK) { + QMap<QString,int> alusers, dlusers; + QMapConstIterator<QString, QPair<int,QStringList> > it; + QStringList::ConstIterator jt; + QMap<QString,int>::Iterator gmapi; + for (it = usermap.begin(); it != usermap.end(); ++it) { + int uid = it.data().first; + if (!uid) continue; + if ((uid >= minshowuid && uid <= maxshowuid) && + !(uid >= min && uid <= max)) { + dlusers[it.key()] = uid; + for (jt = it.data().second.begin(); + jt != it.data().second.end(); ++jt) { + gmapi = groupmap.find( *jt ); + if (!--(*gmapi)) { + groupmap.remove( gmapi ); + dlusers['@' + *jt] = -uid; + } + } + } else + if ((uid >= min && uid <= max) && + !(uid >= minshowuid && uid <= maxshowuid)) { + alusers[it.key()] = uid; + for (jt = it.data().second.begin(); + jt != it.data().second.end(); ++jt) + if ((gmapi = groupmap.find( *jt )) == groupmap.end()) { + groupmap[*jt] = 1; + alusers['@' + *jt] = -uid; + } else + (*gmapi)++; + } + } + emit delUsers(dlusers); + emit addUsers(alusers); + } + minshowuid = min; + maxshowuid = max; +} + +#include "main.moc" |