Merge 36c018b1d9 into 74f7269ef6

CMakeLists.txt

@@ -53,7 +53,7 @@ if(UNIX)
   #
   # use rpath for locating installed libraries
   #
-  set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
+  set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
   set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
 
   include(CheckIncludeFile)

src/Cedar/IPC.c

@@ -1517,9 +1517,7 @@ void IPCProcessL3EventsEx(IPC *ipc, UINT64 now)
 									// We save the router advertisement data for later use
 									IPCIPv6AddRouterPrefixes(ipc, &p->ICMPv6HeaderPacketInfo.OptionList, src_mac, &ip_src);
 									IPCIPv6AssociateOnNDTEx(ipc, &ip_src, src_mac, true);
-									if (p->ICMPv6HeaderPacketInfo.OptionList.SourceLinkLayer != NULL) {
-										IPCIPv6AssociateOnNDTEx(ipc, &ip_src, p->ICMPv6HeaderPacketInfo.OptionList.SourceLinkLayer->Address, true);
-									}
+									IPCIPv6AssociateOnNDTEx(ipc, &ip_src, p->ICMPv6HeaderPacketInfo.OptionList.SourceLinkLayer->Address, true);
 									ndtProcessed = true;
 									header_size = sizeof(ICMPV6_ROUTER_ADVERTISEMENT_HEADER);
 									break;
@@ -2356,14 +2354,7 @@ void IPCIPv6AddRouterPrefixes(IPC *ipc, ICMPV6_OPTION_LIST *recvPrefix, UCHAR *m
 				IntToSubnetMask6(&newRA->RoutedMask, recvPrefix->Prefix[i]->SubnetLength);
 				CopyIP(&newRA->RouterAddress, ip);
 				Copy(newRA->RouterMacAddress, macAddress, 6);
-				if (recvPrefix->SourceLinkLayer != NULL)
-				{
-					Copy(newRA->RouterLinkLayerAddress, recvPrefix->SourceLinkLayer->Address, 6);
-				}
-				else
-				{
-					Zero(newRA->RouterLinkLayerAddress, 6);
-				}
+				Copy(newRA->RouterLinkLayerAddress, recvPrefix->SourceLinkLayer->Address, 6);
 				Add(ipc->IPv6RouterAdvs, newRA);
 			}
 		}
@@ -2666,7 +2657,7 @@ void IPCIPv6SendUnicast(IPC *ipc, void *data, UINT size, IP *next_ip)
 		}
 
 		destMac = ra.RouterMacAddress;
-		if (!IsMacUnicast(destMac) && !IsMacInvalid(ra.RouterLinkLayerAddress))
+		if (!IsMacUnicast(destMac) && !IsMacInvalid(ra.RouterMacAddress))
 		{
 			destMac = ra.RouterLinkLayerAddress;
 		}

src/Cedar/Proto_L2TP.c

@@ -2103,7 +2103,7 @@ void StopL2TPThread(L2TP_SERVER *l2tp, L2TP_TUNNEL *t, L2TP_SESSION *s)
 // Interrupt processing of L2TP server
 void L2TPProcessInterrupts(L2TP_SERVER *l2tp)
 {
-	UINT i, j;
+	UINT i, j, k;
 	LIST *delete_tunnel_list = NULL;
 	// Validate arguments
 	if (l2tp == NULL)
@@ -2138,9 +2138,9 @@ void L2TPProcessInterrupts(L2TP_SERVER *l2tp)
 		UINT64 l2tpTimeout = L2TP_TUNNEL_TIMEOUT;
 
 		// If we got on ANY session a higher timeout than the default L2TP tunnel timeout, increase it
-		for (i = 0; i < LIST_NUM(t->SessionList); i++)
+		for (k = 0; k < LIST_NUM(t->SessionList); k++)
 		{
-			L2TP_SESSION* s = LIST_DATA(t->SessionList, i);
+			L2TP_SESSION* s = LIST_DATA(t->SessionList, k);
 
 			if (s->TubeRecv != NULL && s->TubeRecv->DataTimeout > l2tpTimeout)
 			{

src/Cedar/Virtual.c

@@ -9340,75 +9340,20 @@ UINT ServeDhcpDiscoverEx(VH *v, UCHAR *mac, UINT request_ip, bool is_static_ip)
 		return 0;
 	}
 
-	UINT ret = 0;
 	DHCP_LEASE *d = SearchDhcpLeaseByIp(v, request_ip);
-
 	if (d != NULL)
 	{
-		// If an entry for the same IP address already exists,
-		// check whether it is a request from the same MAC address
-		if (Cmp(mac, d->MacAddress, 6) == 0)
-		{
-			// Examine whether the specified IP address is within the range of assignment
-			if (Endian32(v->DhcpIpStart) > Endian32(request_ip) ||
-				Endian32(request_ip) > Endian32(v->DhcpIpEnd))
-			{
-				// Accept if within the range
-				ret = request_ip;
-			}
-		}
-		else {
-			// Duplicated IPV4 address found. The DHCP server replies to DHCPREQUEST with DHCP NAK.
-			char ipstr[MAX_HOST_NAME_LEN + 1] = { 0 };
-			char macstr[128] = { 0 };
-			IPToStr32(ipstr, sizeof(ipstr), request_ip);
-			BinToStr(macstr, sizeof(macstr), d->MacAddress, 6);
-			Debug("Virtual DHC Server: Duplicated IP address detected. Static IP: %s, Used by MAC:%s\n", ipstr, macstr);
-			return ret;
-		}
-	}
-	else
-	{
-		// Examine whether the specified IP address is within the range of assignment
-		if (Endian32(v->DhcpIpStart) > Endian32(request_ip) ||
-			Endian32(request_ip) > Endian32(v->DhcpIpEnd))
-		{
-			// Accept if within the range
-			ret = request_ip;
-		}
-		else
-		{
-			// Propose an IP in the range since it's a Discover although It is out of range
-		}
-	}
-	if (ret == 0)
-	{
-		// If there is any entry with the same MAC address
-		// that are already registered, use it with priority
-		DHCP_LEASE *d = SearchDhcpLeaseByMac(v, mac);
-
-		if (d != NULL)
-		{
-			// Examine whether the found IP address is in the allocation region
-			if (Endian32(v->DhcpIpStart) > Endian32(d->IpAddress) ||
-				Endian32(d->IpAddress) > Endian32(v->DhcpIpEnd))
-			{
-				// Use the IP address if it's found within the range
-				ret = d->IpAddress;
-			}
-		}
-	}
-	if (ret == 0)
-	{
-		// For static IP, the requested IP address must NOT be within the range of the DHCP pool
-		if (Endian32(v->DhcpIpStart) > Endian32(request_ip) ||
-			Endian32(request_ip) > Endian32(v->DhcpIpEnd))
-		{
-			ret = request_ip;
-		}
+		// The requested IP address is used already
+		return 0;
 	}
 
-	return ret;
+	// For static IP, the requested IP address must NOT be within the range of the DHCP pool
+	if (Endian32(request_ip) < Endian32(v->DhcpIpStart) || Endian32(request_ip) > Endian32(v->DhcpIpEnd))
+	{
+		return request_ip;
+	}
+
+	return 0;
 }
 
 // Take an appropriate IP addresses that can be assigned newly
@@ -9765,40 +9710,36 @@ void VirtualDhcpServer(VH *v, PKT *p)
 		}
 		else
 		{
-			// Reply of DHCP_REQUEST must be either DHCP_ACK or DHCP_NAK.
-			if (opt->Opcode == DHCP_REQUEST)
+			// There is no IP address that can be provided
+			DHCP_OPTION_LIST ret;
+			LIST *o;
+			Zero(&ret, sizeof(ret));
+
+			ret.Opcode = DHCP_NACK;
+			ret.ServerAddress = v->HostIP;
+			StrCpy(ret.DomainName, sizeof(ret.DomainName), v->DhcpDomain);
+			ret.SubnetMask = v->DhcpMask;
+
+			// Build the DHCP option
+			o = BuildDhcpOption(&ret);
+			if (o != NULL)
 			{
-				// There is no IP address that can be provided
-				DHCP_OPTION_LIST ret;
-				LIST *o;
-				Zero(&ret, sizeof(ret));
-
-				ret.Opcode = DHCP_NACK;
-				ret.ServerAddress = v->HostIP;
-				StrCpy(ret.DomainName, sizeof(ret.DomainName), v->DhcpDomain);
-				ret.SubnetMask = v->DhcpMask;
-
-				// Build the DHCP option
-				o = BuildDhcpOption(&ret);
-				if (o != NULL)
+				BUF *b = BuildDhcpOptionsBuf(o);
+				if (b != NULL)
 				{
-					BUF *b = BuildDhcpOptionsBuf(o);
-					if (b != NULL)
+					UINT dest_ip = p->L3.IPv4Header->SrcIP;
+					if (dest_ip == 0)
 					{
-						UINT dest_ip = p->L3.IPv4Header->SrcIP;
-						if (dest_ip == 0)
-						{
-							dest_ip = 0xffffffff;
-						}
-						// Transmission
-						VirtualDhcpSend(v, tran_id, dest_ip, Endian16(p->L4.UDPHeader->SrcPort),
-							ip, dhcp->ClientMacAddress, b, dhcp->HardwareType, dhcp->HardwareAddressSize);
-
-						// Release the memory
-						FreeBuf(b);
+						dest_ip = 0xffffffff;
 					}
-					FreeDhcpOptions(o);
+					// Transmission
+					VirtualDhcpSend(v, tran_id, dest_ip, Endian16(p->L4.UDPHeader->SrcPort),
+					                ip, dhcp->ClientMacAddress, b, dhcp->HardwareType, dhcp->HardwareAddressSize);
+
+					// Release the memory
+					FreeBuf(b);
 				}
+				FreeDhcpOptions(o);
 			}
 		}
 	}