Revert "potter: remove IPACM for now"

Change-Id: Ib2193f4c1350bed557c27fe6c2d004c8eb0fba18

(reverted from commit b0a241003f)

data-ipa-cfg-mgr/ipacm/inc/IPACM_ConntrackClient.h

@@ -0,0 +1,104 @@
+/*
+Copyright (c) 2013, The Linux Foundation. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of The Linux Foundation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef IPACM_CONNTRACK_FILTER_H
+#define IPACM_CONNTRACK_FILTER_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <errno.h>
+
+#include "IPACM_ConntrackClient.h"
+#include "IPACM_CmdQueue.h"
+#include "IPACM_Conntrack_NATApp.h"
+#include "IPACM_EvtDispatcher.h"
+#include "IPACM_Defs.h"
+
+#ifndef IPACM_DEBUG
+#define IPACM_DEBUG
+#endif
+
+extern "C"
+{
+#include <libnetfilter_conntrack/libnetfilter_conntrack.h>
+#include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
+#include <sys/inotify.h>
+}
+
+using namespace std;
+
+#define UDP_TIMEOUT_UPDATE 20
+#define BROADCAST_IPV4_ADDR 0xFFFFFFFF
+
+class IPACM_ConntrackClient
+{
+
+private:
+   static IPACM_ConntrackClient *pInstance;
+
+   struct nfct_handle *tcp_hdl;
+   struct nfct_handle *udp_hdl;
+   struct nfct_filter *tcp_filter;
+   struct nfct_filter *udp_filter;
+   static int IPA_Conntrack_Filters_Ignore_Local_Addrs(struct nfct_filter *filter);
+   static int IPA_Conntrack_Filters_Ignore_Bridge_Addrs(struct nfct_filter *filter);
+   static int IPA_Conntrack_Filters_Ignore_Local_Iface(struct nfct_filter *, ipacm_event_iface_up *);
+   IPACM_ConntrackClient();
+
+public:
+   static int IPAConntrackEventCB(enum nf_conntrack_msg_type type,
+                                  struct nf_conntrack *ct,
+                                  void *data);
+
+   static int IPA_Conntrack_UDP_Filter_Init(void);
+   static int IPA_Conntrack_TCP_Filter_Init(void);
+   static void* TCPRegisterWithConnTrack(void *);
+   static void* UDPRegisterWithConnTrack(void *);
+   static void* UDPConnTimeoutUpdate(void *);
+
+   static void UpdateUDPFilters(void *, bool);
+   static void UpdateTCPFilters(void *, bool);
+   static void Read_TcpUdp_Timeout(char *in, int len);
+
+   static IPACM_ConntrackClient* GetInstance();
+
+#ifdef IPACM_DEBUG
+#define iptodot(X,Y) \
+		 IPACMLOG(" %s(0x%x): %d.%d.%d.%d\n", X, Y, ((Y>>24) & 0xFF), ((Y>>16) & 0xFF), ((Y>>8) & 0xFF), (Y & 0xFF));
+#endif
+
+#define log_nat(A,B,C,D,E,F) \
+		IPACMDBG_H("protocol %d Private IP: %d.%d.%d.%d\t Target IP: %d.%d.%d.%d\t private port: %d public port: %d %s",A,((B>>24) & 0xFF), ((B>>16) & 0xFF), ((B>>8) & 0xFF), (B & 0xFF), ((C>>24) & 0xFF), ((C>>16) & 0xFF),((C>>8) & 0xFF),(C & 0xFF),D,E,F);
+
+};
+
+#endif  /* IPACM_CONNTRACK_FILTER_H */