Imported Upstream version 2.2.1upstream/2.2.1

1 files changed, 224 insertions, 0 deletions

diff --git a/tap-win32/proto.h b/tap-win32/proto.h
new file mode 100755
index 0000000..894a37f
--- /dev/null
+++ b/tap-win32/proto.h
@@ -0,0 +1,224 @@
+/*
+ *  TAP-Win32/TAP-Win64 -- A kernel driver to provide virtual tap
+ *                         device functionality on Windows.
+ *
+ *  This code was inspired by the CIPE-Win32 driver by Damion K. Wilson.
+ *
+ *  This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc.,
+ *  and is released under the GPL version 2 (see below).
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+//============================================================
+// MAC address, Ethernet header, and ARP
+//============================================================
+
+#pragma pack(1)
+
+#define IP_HEADER_SIZE 20
+#define IPV6_HEADER_SIZE 40
+
+typedef unsigned char MACADDR [6];
+typedef unsigned long IPADDR;
+typedef unsigned char IPV6ADDR [16];
+
+//-----------------
+// Ethernet address
+//-----------------
+
+typedef struct {
+  MACADDR addr;
+} ETH_ADDR;
+
+typedef struct {
+  ETH_ADDR list[NIC_MAX_MCAST_LIST];
+} MC_LIST;
+
+//----------------
+// Ethernet header
+//----------------
+
+typedef struct
+{
+  MACADDR dest;               /* destination eth addr	*/
+  MACADDR src;                /* source ether addr	*/
+
+# define ETH_P_IP   0x0800    /* IPv4 protocol */
+# define ETH_P_IPV6 0x86DD    /* IPv6 protocol */
+# define ETH_P_ARP  0x0806    /* ARP protocol */
+  USHORT proto;               /* packet type ID field	*/
+} ETH_HEADER, *PETH_HEADER;
+
+//----------------
+// ARP packet
+//----------------
+
+typedef struct
+   {
+    MACADDR        m_MAC_Destination;        // Reverse these two
+    MACADDR        m_MAC_Source;             // to answer ARP requests
+    USHORT         m_Proto;                  // 0x0806
+
+#   define MAC_ADDR_TYPE 0x0001
+    USHORT         m_MAC_AddressType;        // 0x0001
+
+    USHORT         m_PROTO_AddressType;      // 0x0800
+    UCHAR          m_MAC_AddressSize;        // 0x06
+    UCHAR          m_PROTO_AddressSize;      // 0x04
+
+#   define ARP_REQUEST 0x0001
+#   define ARP_REPLY   0x0002
+    USHORT         m_ARP_Operation;          // 0x0001 for ARP request, 0x0002 for ARP reply
+
+    MACADDR        m_ARP_MAC_Source;
+    IPADDR         m_ARP_IP_Source;
+    MACADDR        m_ARP_MAC_Destination;
+    IPADDR         m_ARP_IP_Destination;
+   }
+ARP_PACKET, *PARP_PACKET;
+
+//----------
+// IP Header
+//----------
+
+typedef struct {
+# define IPH_GET_VER(v) (((v) >> 4) & 0x0F)
+# define IPH_GET_LEN(v) (((v) & 0x0F) << 2)
+  UCHAR    version_len;
+
+  UCHAR    tos;
+  USHORT   tot_len;
+  USHORT   id;
+
+# define IP_OFFMASK 0x1fff
+  USHORT   frag_off;
+
+  UCHAR    ttl;
+
+# define IPPROTO_UDP  17  /* UDP protocol */
+# define IPPROTO_TCP   6  /* TCP protocol */
+# define IPPROTO_ICMP  1  /* ICMP protocol */
+# define IPPROTO_IGMP  2  /* IGMP protocol */
+  UCHAR    protocol;
+
+  USHORT   check;
+  ULONG    saddr;
+  ULONG    daddr;
+  /* The options start here. */
+} IPHDR;
+
+//-----------
+// UDP header
+//-----------
+
+typedef struct {
+  USHORT   source;
+  USHORT   dest;
+  USHORT   len;
+  USHORT   check;
+} UDPHDR;
+
+//--------------------------
+// TCP header, per RFC 793.
+//--------------------------
+
+typedef struct {
+  USHORT      source;    /* source port */
+  USHORT      dest;      /* destination port */
+  ULONG       seq;       /* sequence number */
+  ULONG       ack_seq;   /* acknowledgement number */
+
+# define TCPH_GET_DOFF(d) (((d) & 0xF0) >> 2)
+  UCHAR       doff_res;
+
+# define TCPH_FIN_MASK (1<<0)
+# define TCPH_SYN_MASK (1<<1)
+# define TCPH_RST_MASK (1<<2)
+# define TCPH_PSH_MASK (1<<3)
+# define TCPH_ACK_MASK (1<<4)
+# define TCPH_URG_MASK (1<<5)
+# define TCPH_ECE_MASK (1<<6)
+# define TCPH_CWR_MASK (1<<7)
+  UCHAR       flags;
+
+  USHORT      window;
+  USHORT      check;
+  USHORT      urg_ptr;
+} TCPHDR;
+
+#define	TCPOPT_EOL     0
+#define	TCPOPT_NOP     1
+#define	TCPOPT_MAXSEG  2
+#define TCPOLEN_MAXSEG 4
+
+//------------
+// IPv6 Header
+//------------
+
+typedef struct {
+  UCHAR    version_prio;
+  UCHAR    flow_lbl[3];
+  USHORT   payload_len;
+# define IPPROTO_ICMPV6  0x3a  /* ICMP protocol v6 */
+  UCHAR    nexthdr;
+  UCHAR    hop_limit;
+  IPV6ADDR saddr;
+  IPV6ADDR daddr;
+} IPV6HDR;
+
+//--------------------------------------------
+// IPCMPv6 NS/NA Packets (RFC4443 and RFC4861)
+//--------------------------------------------
+
+// Neighbor Solictiation - RFC 4861, 4.3
+// (this is just the ICMPv6 part of the packet)
+typedef struct {
+  UCHAR    type;
+# define ICMPV6_TYPE_NS	135		// neighbour solicitation
+  UCHAR    code;
+# define ICMPV6_CODE_0	0		// no specific sub-code for NS/NA
+  USHORT   checksum;
+  ULONG    reserved;
+  IPV6ADDR target_addr;
+} ICMPV6_NS;
+
+// Neighbor Advertisement - RFC 4861, 4.4 + 4.6/4.6.1
+// (this is just the ICMPv6 payload)
+typedef struct {
+  UCHAR    type;
+# define ICMPV6_TYPE_NA	136		// neighbour advertisement
+  UCHAR    code;
+# define ICMPV6_CODE_0	0		// no specific sub-code for NS/NA
+  USHORT   checksum;
+  UCHAR    rso_bits;			// Router(0), Solicited(2), Ovrrd(4)
+  UCHAR	   reserved[3];
+  IPV6ADDR target_addr;
+// always include "Target Link-layer Address" option (RFC 4861 4.6.1)
+  UCHAR    opt_type;
+#define ICMPV6_OPTION_TLLA 2
+  UCHAR    opt_length;
+#define ICMPV6_LENGTH_TLLA 1		// multiplied by 8 -> 1 = 8 bytes
+  MACADDR  target_macaddr;
+} ICMPV6_NA;
+
+// this is the complete packet with Ethernet and IPv6 headers
+typedef struct {
+  ETH_HEADER eth;
+  IPV6HDR    ipv6;
+  ICMPV6_NA  icmpv6;
+} ICMPV6_NA_PKT;
+
+#pragma pack()