Part 2 of prior commit

1 files changed, 342 insertions, 0 deletions

diff --git a/kcontrol/tdm/main.cpp b/kcontrol/tdm/main.cpp
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+/*
+ * 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 <tqlayout.h>
+
+#include <kaboutdata.h>
+#include <kgenericfactory.h>
+#include <kimageio.h>
+#include <kmessagebox.h>
+#include <kurldrag.h>
+
+#include "tdm-appear.h"
+#include "tdm-font.h"
+#include "tdm-users.h"
+#include "tdm-shut.h"
+#include "tdm-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<TDModule, TQWidget> TDMFactory;
+K_EXPORT_COMPONENT_FACTORY( kcm_tdm, TDMFactory("tdmconfig") )
+
+KURL *decodeImgDrop(TQDropEvent *e, TQWidget *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;
+
+	TQStringList qs = TQStringList::split('\n', KImageIO::pattern());
+	qs.remove(qs.begin());
+
+	TQString 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;
+
+TDModule::TDModule(TQWidget *parent, const char *name, const TQStringList &)
+  : KCModule(TDMFactory::instance(), parent, name)
+  , minshowuid(0)
+  , maxshowuid(0)
+  , updateOK(false)
+{
+  KAboutData *about =
+    new KAboutData(I18N_NOOP("kcmtdm"), I18N_NOOP("KDE Login Manager Config Module"),
+                0, 0, KAboutData::License_GPL,
+                I18N_NOOP("(c) 1996 - 2005 The TDM 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");
+
+  TQStringList sl;
+  TQMap<gid_t,TQStringList> tgmap;
+  TQMap<gid_t,TQStringList>::Iterator tgmapi;
+  TQMap<gid_t,TQStringList>::ConstIterator tgmapci;
+  TQMap<TQString, QPair<int,TQStringList> >::Iterator umapi;
+
+  struct passwd *ps;
+  for (setpwent(); (ps = getpwent()); ) {
+    TQString un( TQFile::decodeName( ps->pw_name ) );
+    if (usermap.find( un ) == usermap.end()) {
+      usermap.insert( un, QPair<int,TQStringList>( 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()); ) {
+    TQString gn( TQFile::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 (TQStringList::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 == TQFile::decodeName( *grp->gr_mem )))
+      continue;
+    do {
+      TQString un( TQFile::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;
+
+  struct stat st;
+  if( stat( KDE_CONFDIR "/tdm/tdmdistrc" ,&st ) == 0) {
+    config = new KSimpleConfig( TQString::fromLatin1( KDE_CONFDIR "/tdm/tdmdistrc" ));
+  }
+  else {
+    config = new KSimpleConfig( TQString::fromLatin1( KDE_CONFDIR "/tdm/tdmrc" ));
+  }
+
+  TQVBoxLayout *top = new TQVBoxLayout(this);
+  tab = new TQTabWidget(this);
+
+  // *****
+  // _don't_ add a theme configurator until the theming engine is _really_ done!!
+  // *****
+
+  appearance = new TDMAppearanceWidget(this);
+  tab->addTab(appearance, i18n("A&ppearance"));
+  connect(appearance, TQT_SIGNAL(changed(bool)), TQT_SIGNAL( changed(bool)));
+
+  font = new TDMFontWidget(this);
+  tab->addTab(font, i18n("&Font"));
+  connect(font, TQT_SIGNAL(changed(bool)), TQT_SIGNAL(changed(bool)));
+
+  background = new KBackground(this);
+  tab->addTab(background, i18n("&Background"));
+  connect(background, TQT_SIGNAL(changed(bool)), TQT_SIGNAL(changed(bool)));
+
+  sessions = new TDMSessionsWidget(this);
+  tab->addTab(sessions, i18n("&Shutdown"));
+  connect(sessions, TQT_SIGNAL(changed(bool)), TQT_SIGNAL(changed(bool)));
+
+  users = new TDMUsersWidget(this, 0);
+  tab->addTab(users, i18n("&Users"));
+  connect(users, TQT_SIGNAL(changed(bool)), TQT_SIGNAL(changed(bool)));
+  connect(users, TQT_SIGNAL(setMinMaxUID(int,int)), TQT_SLOT(slotMinMaxUID(int,int)));
+  connect(this, TQT_SIGNAL(addUsers(const TQMap<TQString,int> &)), users, TQT_SLOT(slotAddUsers(const TQMap<TQString,int> &)));
+  connect(this, TQT_SIGNAL(delUsers(const TQMap<TQString,int> &)), users, TQT_SLOT(slotDelUsers(const TQMap<TQString,int> &)));
+  connect(this, TQT_SIGNAL(clearUsers()), users, TQT_SLOT(slotClearUsers()));
+
+  convenience = new TDMConvenienceWidget(this, 0);
+  tab->addTab(convenience, i18n("Con&venience"));
+  connect(convenience, TQT_SIGNAL(changed(bool)), TQT_SIGNAL(changed(bool)));
+  connect(this, TQT_SIGNAL(addUsers(const TQMap<TQString,int> &)), convenience, TQT_SLOT(slotAddUsers(const TQMap<TQString,int> &)));
+  connect(this, TQT_SIGNAL(delUsers(const TQMap<TQString,int> &)), convenience, TQT_SLOT(slotDelUsers(const TQMap<TQString,int> &)));
+  connect(this, TQT_SIGNAL(clearUsers()), convenience, TQT_SLOT(slotClearUsers()));
+
+  load();
+  if (getuid() != 0 || !config->checkConfigFilesWritable( true )) {
+    appearance->makeReadOnly();
+    font->makeReadOnly();
+    background->makeReadOnly();
+    users->makeReadOnly();
+    sessions->makeReadOnly();
+    convenience->makeReadOnly();
+  }
+  top->addWidget(tab);
+}
+
+TDModule::~TDModule()
+{
+  delete config;
+}
+
+void TDModule::load()
+{
+  appearance->load();
+  font->load();
+  background->load();
+  users->load();
+  sessions->load();
+  convenience->load();
+  propagateUsers();
+}
+
+
+void TDModule::save()
+{
+  appearance->save();
+  font->save();
+  background->save();
+  users->save();
+  sessions->save();
+  convenience->save();
+  config->sync();
+}
+
+
+void TDModule::defaults()
+{
+    if ( getuid() == 0 )
+    {
+        appearance->defaults();
+        font->defaults();
+        background->defaults();
+        users->defaults();
+        sessions->defaults();
+        convenience->defaults();
+        propagateUsers();
+    }
+}
+
+void TDModule::propagateUsers()
+{
+  groupmap.clear();
+  emit clearUsers();
+  TQMap<TQString,int> lusers;
+  TQMapConstIterator<TQString, QPair<int,TQStringList> > it;
+  TQStringList::ConstIterator jt;
+  TQMap<TQString,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 TDModule::slotMinMaxUID(int min, int max)
+{
+  if (updateOK) {
+    TQMap<TQString,int> alusers, dlusers;
+    TQMapConstIterator<TQString, QPair<int,TQStringList> > it;
+    TQStringList::ConstIterator jt;
+    TQMap<TQString,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"