From 034fee969a22278b2d7bd93a2ad48664ebe69ac0 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@anytun.org>
Date: Thu, 21 Jun 2007 00:42:47 +0000
Subject: first working version lacks still some features

---
 anytun.cpp       | 15 ++++++++-------
 packetSource.cpp |  4 ++--
 packetSource.h   |  8 ++++----
 3 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/anytun.cpp b/anytun.cpp
index 372d2e1..c32c134 100644
--- a/anytun.cpp
+++ b/anytun.cpp
@@ -107,22 +107,23 @@ void* receiver(void* p)
     string remote_host;
     u_int16_t remote_port;
     Packet pack(1600);
-
         // read packet from socket
-    int len = param->src->recv(pack, remote_host, remote_port);
+    u_int32_t len = param->src->recv(pack, remote_host, remote_port);
     pack.resizeBack(len);
+    pack.withPayloadType(true).withHeader(true).withAuthTag(true);
 
         // check auth_tag and remove it
-    auth_tag_t at = param->a->calc(pack);
-    if(at != pack.getAuthTag())
+    auth_tag_t at = pack.getAuthTag();
+    pack.removeAuthTag();
+    if(at != param->a->calc(pack))
       continue;
-
+    
         // compare sender_id and seq with window
     pack.removeHeader();
-
+    
         // decypher the packet
     param->c->cypher(pack);
-
+    
         // check payload_type and remove it
     if((param->dev->getType() == TunDevice::TYPE_TUN && pack.getPayloadType() != PAYLOAD_TYPE_TUN) ||
        (param->dev->getType() == TunDevice::TYPE_TAP && pack.getPayloadType() != PAYLOAD_TYPE_TAP))
diff --git a/packetSource.cpp b/packetSource.cpp
index 8ef122d..a20d7bb 100644
--- a/packetSource.cpp
+++ b/packetSource.cpp
@@ -46,12 +46,12 @@ UDPPacketSource::UDPPacketSource(std::string localaddr, u_int16_t port) : UDPSoc
 {
 }
 
-u_int32_t UDPPacketSource::recv(Buffer buf, std::string addr, u_int16_t &port)
+u_int32_t UDPPacketSource::recv(Buffer& buf, std::string addr, u_int16_t &port)
 {
   return recvFrom(buf, buf.getLength(), addr, port);
 }
 
-void UDPPacketSource::send(Buffer buf, std::string addr, u_int16_t port)
+void UDPPacketSource::send(Buffer& buf, std::string addr, u_int16_t port)
 {
   sendTo(buf, buf.getLength(), addr, port);
 }
diff --git a/packetSource.h b/packetSource.h
index 3cd4fb5..d2902d9 100644
--- a/packetSource.h
+++ b/packetSource.h
@@ -37,8 +37,8 @@ class PacketSource
 public:
   virtual ~PacketSource() {}
 
-  virtual u_int32_t recv(Buffer buf, std::string addr, u_int16_t &port) = 0;
-  virtual void send(Buffer buf, std::string addr, u_int16_t port) = 0;
+  virtual u_int32_t recv(Buffer& buf, std::string addr, u_int16_t &port) = 0;
+  virtual void send(Buffer& buf, std::string addr, u_int16_t port) = 0;
 };
 
 class UDPPacketSource : public PacketSource, public UDPSocket
@@ -48,7 +48,7 @@ public:
   UDPPacketSource(u_int16_t port);
   UDPPacketSource(std::string localaddr, u_int16_t port);
 
-  u_int32_t recv(Buffer buf, std::string addr, u_int16_t &port);
-  void send(Buffer buf, std::string addr, u_int16_t port);
+  u_int32_t recv(Buffer& buf, std::string addr, u_int16_t &port);
+  void send(Buffer& buf, std::string addr, u_int16_t port);
 };
 
-- 
cgit v1.2.3