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
@@ -23,12 +23,13 @@
 #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>
@@ -723,47 +724,62 @@ void MainWindowImp::receive(const QCString &msg, const QByteArray &arg)
     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;