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
@@ -1,60 +1,61 @@
 
 #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()));
@@ -697,79 +698,94 @@ 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;
 }