hostname should be filtered. Check return value of setting the hostname

and write operations.

1 files changed, 24 insertions, 8 deletions

diff --git a/noncore/settings/networksettings/mainwindow/mainwindowimp.cpp b/noncore/settings/networksettings/mainwindow/mainwindowimp.cpp
index 0a3312c..3222e50 100644
--- a/noncore/settings/networksettings/mainwindow/mainwindowimp.cpp
+++ b/noncore/settings/networksettings/mainwindow/mainwindowimp.cpp
@@ -1,124 +1,125 @@
 
 #include "mainwindowimp.h"
 #include "addconnectionimp.h"
 #include "interfaceinformationimp.h"
 #include "interfacesetupimp.h"
 #include "interfaces.h"
 #include "module.h"
 
 /* OPIE */
 #include <opie2/odebug.h>
 #include <opie2/oprocess.h>
 #include <qpe/applnk.h>
 #include <qpe/qcopenvelope_qws.h>
 #include <qpe/qpeapplication.h>
 #include <qpe/config.h>
 #include <qpe/qlibrary.h>
 #include <qpe/resource.h>
 
 /* QT */
 #include <qpushbutton.h>
 #include <qlistbox.h>
 #include <qlineedit.h>
 #include <qlistview.h>
 #include <qheader.h>
 #include <qlabel.h>
 #include <qtabwidget.h> // in order to disable the profiles tab
 #include <qmessagebox.h>
 #include <qtextstream.h>
+#include <qregexp.h>
 
 
 #if QT_VERSION < 0x030000
 #include <qlist.h>
 #else
 #include <qptrlist.h>
 #endif
 #include <qdir.h>
 #include <qfile.h>
 #include <qtextstream.h>
 #include <qregexp.h>
 
 /* STD */
 #include <net/if.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
 
 #define DEFAULT_SCHEME "/var/lib/pcmcia/scheme"
 #define _PROCNETDEV "/proc/net/dev"
 
 // is this always right?
 #define _HOSTFILE "/etc/hostname"
 #define _IRDANAME "/proc/sys/net/irda/devname"
 
 using namespace Opie::Core;
 
 MainWindowImp::MainWindowImp(QWidget *parent, const char *name, WFlags) : MainWindow(parent, name, Qt::WStyle_ContextHelp), advancedUserMode(true), scheme(DEFAULT_SCHEME)
 {
     connect(addConnectionButton, SIGNAL(clicked()), this, SLOT(addClicked()));
     connect(removeConnectionButton, SIGNAL(clicked()), this, SLOT(removeClicked()));
     connect(informationConnectionButton, SIGNAL(clicked()), this, SLOT(informationClicked()));
     connect(configureConnectionButton, SIGNAL(clicked()), this, SLOT(configureClicked()));
 
     //remove tab with no function
     tabWidget->removePage( tab );
 
     // Load connections.
     // /usr/local/kde/lib/libinterfaces.la
     loadModules(QPEApplication::qpeDir() + "plugins/networksettings");
     getAllInterfaces();
 
     Interfaces i;
     QStringList list = i.getInterfaceList();
     QMap<QString, Interface*>::Iterator it;
     for ( QStringList::Iterator ni = list.begin(); ni != list.end(); ++ni )
     {
         /*
          * we skipped it in getAllInterfaces now
          * we need to ignore it as well
          */
         if (m_handledIfaces.contains( *ni) )
         {
             odebug << "Not up iface handled by module" << oendl;
             continue;
         }
         bool found = false;
         for( it = interfaceNames.begin(); it != interfaceNames.end(); ++it )
         {
             if(it.key() == (*ni))
                 found = true;
         }
         if(!found)
         {
             if(!(*ni).contains("_"))
             {
                 Interface *i = new Interface(this, *ni, false);
                 i->setAttached(false);
                 i->setHardwareName(tr("Disconnected"));
                 interfaceNames.insert(i->getInterfaceName(), i);
                 updateInterface(i);
                 connect(i, SIGNAL(updateInterface(Interface*)), this, SLOT(updateInterface(Interface*)));
             }
         }
     }
 
     //getInterfaceList();
     connectionList->header()->hide();
 
     Config cfg("NetworkSetup");
     profiles = QStringList::split(" ", cfg.readEntry("Profiles", "All"));
     for ( QStringList::Iterator it = profiles.begin();
             it != profiles.end(); ++it)
         profilesList->insertItem((*it));
     currentProfileLabel->setText(cfg.readEntry("CurrentProfile", "All"));
     advancedUserMode = cfg.readBoolEntry("AdvancedUserMode", false);
     scheme = cfg.readEntry("SchemeFile", DEFAULT_SCHEME);
 
     QFile file(scheme);
     if ( file.open(IO_ReadOnly) )
     {    // file opened successfully
         QTextStream stream( &file );        // use a text stream
         while ( !stream.eof() )
         {        // until end of file...
             QString line = stream.readLine();       // line of text excluding '\n'
             if(line.contains("SCHEME"))
             {
@@ -633,143 +634,158 @@ void MainWindowImp::removeProfile()
                 interfaces.removeInterface();
                 if(interfaces.setMapping(interfaceName))
                 {
                     if(profilesList->count() == 1)
                         interfaces.removeMapping();
                     else
                     {
                         interfaces.removeMap("map", interfaceName + "_" + profileToRemove);
                     }
                 }
                 interfaces.write();
                 break;
             }
         }
     }
 }
 
 /**
  * A new profile has been selected, change.
  * @param newProfile the new profile.
  */
 void MainWindowImp::changeProfile()
 {
     if(profilesList->currentItem() == -1)
     {
         QMessageBox::information(this, "Can't Change.","Please select a profile.", QMessageBox::Ok);
         return;
     }
     QString newProfile = profilesList->text(profilesList->currentItem());
     if(newProfile != currentProfileLabel->text())
     {
         currentProfileLabel->setText(newProfile);
         QFile::remove(scheme);
         QFile file(scheme);
         if ( file.open(IO_ReadWrite) )
         {
             QTextStream stream( &file );
             stream << QString("SCHEME=%1").arg(newProfile);
             file.close();
         }
         // restart all up devices?
         if(QMessageBox::information(this, "Question","Restart all running interfaces?", QMessageBox::Ok, QMessageBox::No) == QMessageBox::Ok)
         {
             // Go through them one by one
             QMap<Interface*, QListViewItem*>::Iterator it;
             for( it = items.begin(); it != items.end(); ++it )
             {
                 if(it.key()->getStatus() == true)
                     it.key()->restart();
             }
         }
     }
     // TODO change the profile in the modules
 }
 
 
 void MainWindowImp::makeChannel()
 {
     channel = new QCopChannel( "QPE/Application/networksettings", this );
     connect( channel, SIGNAL(received(const QCString&,const QByteArray&)),
              this, SLOT(receive(const QCString&,const QByteArray&)) );
 }
 
 void MainWindowImp::receive(const QCString &msg, const QByteArray &arg)
 {
     bool found = false;
     odebug << "MainWindowImp::receive QCop msg >"+msg+"<" << oendl;
     if (msg == "raise")
     {
         raise();
         return;
     }
 
     QString dest = msg.left(msg.find("("));
     QCString param = msg.right(msg.length() - msg.find("(") - 1);
     param = param.left( param.length() - 1 );
     odebug << "dest >" << dest.latin1() << "< param >"+param+"<" << oendl;
 
     QMap<Module*, QLibrary*>::Iterator it;
     for( it = libraries.begin(); it != libraries.end(); ++it )
     {
         odebug << "plugin >" << it.key()->type().latin1() << "<" << oendl;
         if(it.key()->type() == dest)
         {
             it.key()->receive( param, arg );
             found = true;
         }
     }
 
 
     if (found) QPEApplication::setKeepRunning();
     else odebug << "Huh what do ya want" << oendl;
 }
 
 void MainWindowImp::setHostname()
 {
-    QFile f(_HOSTFILE);
+    static QRegExp filter("[^A-Za-z0-9_\\-\\.]");
+    if (filter.match(m_Nameinput->text())!=-1) {
+        odebug << "Wrong hostname" << oendl;
+        QMessageBox::critical(0, tr("Sorry"), tr("This is a wrong name.<br>Please use A-Z, a-z, _, - or a single dot."));
+        return;
+    }
 
-    OProcess*h = new OProcess;
+    OProcess h;
     _procTemp="";
-    *h << "hostname" << m_Nameinput->text();
-    connect(h,SIGNAL(receivedStderr(Opie::Core::OProcess*,char*,int)),this,SLOT(slotHostname(Opie::Core::OProcess*,char*,int)));
-    h->start(OProcess::Block,OProcess::Stderr);
-    odebug << "Got " << _procTemp << " - " << h->exitStatus() << oendl;
+    h << "hostname" << m_Nameinput->text();
+    connect(&h,SIGNAL(receivedStderr(Opie::Core::OProcess*,char*,int)),this,SLOT(slotHostname(Opie::Core::OProcess*,char*,int)));
+    h.start(OProcess::Block,OProcess::Stderr);
+    odebug << "Got " << _procTemp << " - " << h.exitStatus() << oendl;
+    if (h.exitStatus()!=0) {
+        QMessageBox::critical(0, tr("Sorry"), QString(tr("Could not set name.\n%1")).arg(_procTemp.stripWhiteSpace()));
+        return;
+    }
     _procTemp="";
-    delete h;
 
+    QFile f(_HOSTFILE);
     if (f.open(IO_Truncate|IO_WriteOnly))
     {
         QTextStream s(&f);
         s << m_Nameinput->text();
+    } else {
+        QMessageBox::critical(0, tr("Sorry"), tr("Could not save name."));
+        return;
     }
+
     f.close();
     f.setName(_IRDANAME);
     if (f.open(IO_WriteOnly))
     {
         QTextStream s(&f);
         s << m_Nameinput->text();
+    } else {
+        QMessageBox::critical(0, tr("Sorry"), tr("Could not set infrared name."));
     }
 }
 
 void MainWindowImp::initHostname()
 {
     OProcess h;
     _procTemp="";
 
     h << "hostname";
     connect(&h,SIGNAL(receivedStdout(Opie::Core::OProcess*,char*,int)),this,SLOT(slotHostname(Opie::Core::OProcess*,char*,int)));
     h.start(OProcess::Block,OProcess::AllOutput);
     odebug << "Got " << _procTemp <<oendl;
-    m_Nameinput->setText(_procTemp);
+    m_Nameinput->setText(_procTemp.stripWhiteSpace());
     _procTemp="";
 }
 
 void MainWindowImp::slotHostname(Opie::Core::OProcess *proc, char *buffer, int buflen)
 {
     if (buflen < 1 || buffer==0) return;
     char*_t = new char[buflen+1];
     ::memset(_t,0,buflen+1);
     ::memcpy(_t,buffer,buflen);
     _procTemp+=_t;
     delete[]_t;
 }