Add support for RARP

pstavirs · Jan 19, 2024 · b3ac5f8 · b3ac5f8
1 parent f185ceb
commit b3ac5f8
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Showing 3 changed files with 17 additions and 3 deletions.
diff --git a/common/arp.cpp b/common/arp.cpp
@@ -62,12 +62,14 @@ void ArpProtocol::protoDataCopyFrom(const OstProto::Protocol &protocol)
 
 QString ArpProtocol::name() const
 {
-    return QString("Address Resolution Protocol");
+    return isRarp() ?
+        QString("Reverse Address Resolution Protocol") :
+        QString("Address Resolution Protocol");
 }
 
 QString ArpProtocol::shortName() const
 {
-    return QString("ARP");
+    return isRarp() ? QString("RARP") : QString("ARP");
 }
 
 /*!
@@ -96,7 +98,7 @@ quint32 ArpProtocol::protocolId(ProtocolIdType type) const
 {
     switch(type)
     {
-        case ProtocolIdEth: return 0x0806;
+        case ProtocolIdEth: return isRarp() ? 0x8035 : 0x0806;
         default:break;
     }
 
@@ -808,3 +810,11 @@ int ArpProtocol::protocolFrameVariableCount() const
 
     return count;
 }
+
+bool ArpProtocol::isRarp() const
+{
+    if ((data.op_code() == 3)
+            || (data.op_code() ==4))
+        return true;
+    return false;
+}
diff --git a/common/arp.h b/common/arp.h
@@ -96,6 +96,8 @@ class ArpProtocol : public AbstractProtocol
     virtual int protocolFrameVariableCount() const;
 
 private:
+    bool isRarp() const;
+
     OstProto::Arp    data;
 };
 

diff --git a/common/arpconfig.cpp b/common/arpconfig.cpp
@@ -30,6 +30,8 @@ ArpConfigForm::ArpConfigForm(QWidget *parent)
     opCodeCombo->setValidator(new QIntValidator(0, 0xFFFF, this));
     opCodeCombo->addItem(1, "ARP Request");
     opCodeCombo->addItem(2, "ARP Reply");
+    opCodeCombo->addItem(3, "Reverse ARP Request");
+    opCodeCombo->addItem(4, "Reverse ARP Reply");
 
     connect(senderHwAddrMode, SIGNAL(currentIndexChanged(int)), 
             SLOT(on_senderHwAddrMode_currentIndexChanged(int)));