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338 lines
11 KiB
338 lines
11 KiB
/*
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*============================================================================
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* Copyright (c) 1994-95, Microsoft Corp.
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*
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* File: map.h
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*
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* Contains declarations for the functions that map old style routetab
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* functions to the iphlpapi functions.
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*
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* AddRoute
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* DeleteRoute
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* GetRouteTable
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* FreeRouteTable
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* GetInterfaceTable
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* FreeInterfaceTable
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*
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* The structures required by these functions are also declared here:
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*
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* IPROUTING_ENTRY
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* IPINTERFACE_ENTRY
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*
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* Routes can be added to and deleted from the IP routing table by other
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* means. Therefore, it is necessary for any protocol using these functions
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* to reload the routing tables periodically.
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*============================================================================
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*/
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#ifndef _MAP_H_
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#define _MAP_H_
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/*
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*---------------------------------------------------------------
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* Any one of these values can be passed as the route entry type
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* when calling the AddRoute() function.
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*---------------------------------------------------------------
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*/
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#define IRE_TYPE_OTHER 1
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#define IRE_TYPE_INVALID 2
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#define IRE_TYPE_DIRECT 3
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#define IRE_TYPE_INDIRECT 4
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/*
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*-------------------------------------------------------------
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* Any one of these values can be passed as the protocol type
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* when calling AddRoute() or DeleteRoute()
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*-------------------------------------------------------------
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*/
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#define IRE_PROTO_OTHER 1
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#define IRE_PROTO_LOCAL 2
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#define IRE_PROTO_NETMGMT 3
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#define IRE_PROTO_ICMP 4
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#define IRE_PROTO_EGP 5
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#define IRE_PROTO_GGP 6
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#define IRE_PROTO_HELLO 7
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#define IRE_PROTO_RIP 8
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#define IRE_PROTO_IS_IS 9
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#define IRE_PROTO_ES_IS 10
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#define IRE_PROTO_CISCO 11
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#define IRE_PROTO_BBN 12
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#define IRE_PROTO_OSPF 13
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#define IRE_PROTO_BGP 14
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/*
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*-------------------------------------------------------------
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* This value may be passed as the metric to functions which
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* require a metric, in cases where the metric is irrelevant
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*-------------------------------------------------------------
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*/
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#define IRE_METRIC_UNUSED 0xffffffff
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/*
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*-------------------------------------------------------------
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* These constants are used in the definition of IF_ENTRY
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*-------------------------------------------------------------
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*/
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#define MAX_PHYSADDR_SIZE 8
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#define MAX_IFDESCR_LEN 256
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/*
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*-------------------------------------------------------------
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* This structure is used by GetIPAddressTable() to return
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* information about logical IP interfaces on the system
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*-------------------------------------------------------------
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*/
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typedef struct _IPADDRESS_ENTRY {
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DWORD iae_address; /* IP address of this entry */
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DWORD iae_index; /* index of interface for this entry */
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DWORD iae_netmask; /* subnet mask of this entry */
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DWORD iae_bcastaddr;
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DWORD iae_reasmsize;
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USHORT iae_context;
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USHORT iae_pad;
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} IPADDRESS_ENTRY, *LPIPADDRESS_ENTRY;
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/*
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*-------------------------------------------------------------
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* This structure is used by GetRouteTable() to return
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* information about routing table entries.
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*-------------------------------------------------------------
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*/
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typedef struct _IPROUTE_ENTRY {
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DWORD ire_dest; /* destination IP addr, network order */
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DWORD ire_mask; /* network mask, network order */
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DWORD ire_policy; /* policy duh(?) */
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DWORD ire_nexthop; /* next hop IP addr, network order */
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DWORD ire_index; /* route entry index */
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DWORD ire_type; /* routing type for this entry */
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DWORD ire_proto; /* routing protocol for this entry */
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DWORD ire_age; /* age of this entry */
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DWORD ire_nexthopas; /* next hop as */
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DWORD ire_metric1; /* destination metric, host order */
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DWORD ire_metric2; /* unused */
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DWORD ire_metric3; /* unused */
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DWORD ire_metric4; /* unused */
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DWORD ire_metric5; /* unused */
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} IPROUTE_ENTRY, *LPIPROUTE_ENTRY;
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/*
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*------------------------------------------------------------------
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* Function: GetIPAddressTable
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*
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* Parameters:
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* LPIPADDRESS_ENTRY
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* *lplpAddrTable pointer to an LPIPADDRESS_ENTRY
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* which receives the IP address table
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* LPDWORD lpdwAddrCount pointer to a DWORD which receives
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* the number of addresses in the table
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*
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* This function allocates and fills in an array of address entry
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* structures corresponding to the logical IP interfaces in
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* the system. It also stores the number of entries in the array
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* in the DWORD pointed to by lpdwAddrCount.
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*
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* Call FreeIPAddressTable to free the memory allocated for the
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* address table.
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*
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* If the function fails, it sets *lpdwAddrCount to zero and
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* *lplpAddrTable to NULL.
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*
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* It returns 0 if successful and non-zero otherwise
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*------------------------------------------------------------------
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*/
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DWORD
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GetIPAddressTable(
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OUT PMIB_IPADDRROW *lplpAddrTable,
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OUT LPDWORD lpdwAddrCount
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);
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/*
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*------------------------------------------------------------------
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* Function: FreeIPAddressTable
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*
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* Parameters:
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* LPIPADDRESS_ENTRY
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* lpAddrTable the address table to be freed.
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*
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* This function frees the memory allocated for an address table.
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* It returns 0 if successful and non-zero otherwise.
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*------------------------------------------------------------------
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*/
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DWORD
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FreeIPAddressTable(
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IN PMIB_IPADDRROW lpAddrTable
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);
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/*
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*------------------------------------------------------------------
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* Function: GetRouteTable
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*
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* Parameters:
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* LPIPROUTE_ENTRY
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* *lplpRouteTable pointer to an LPIPROUTE_ENTRY
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* which receives the routing table
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* DWORD *lpdwRouteCount pointer to a DWORD which receives
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* the number of routing entries
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*
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* This function allocates and fills in an array of routing table
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* entries from the Tcpip driver. It also sets the number of
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* entries in the array in the DWORD pointed to by lpdwRouteCount.
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*
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* In the IPROUTE_ENTRY structure, the only metric used by
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* the Tcpip stack is IPROUTE_ENTRY.ire_metric1; the other metric
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* fields should be ignored.
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*
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* Call FreeRouteTable to free the memory allocated for the
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* routing table.
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*
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* If the function fails, it sets *lpdwRouteCount to zero and
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* *lplpRouteTable to NULL.
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*
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* It returns 0 if successful and non-zero otherwise
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*------------------------------------------------------------------
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*/
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DWORD
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GetRouteTable(
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OUT LPIPROUTE_ENTRY *lplpRouteTable,
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OUT LPDWORD lpdwRouteCount
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);
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/*
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*------------------------------------------------------------------
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* Function: FreeRouteTable
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*
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* Parameters:
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* LPIPROUTE_ENTRY
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* lpRouteTable the routing table to be freed.
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*
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* This function frees the memory allocated for a routing table.
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* It returns 0 if successful and non-zero otherwise.
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*------------------------------------------------------------------
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*/
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DWORD
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FreeRouteTable(
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IN LPIPROUTE_ENTRY lpRouteTable
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);
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/*
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*------------------------------------------------------------------
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* Function: AddRoute
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*
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* Parameters:
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* DWORD dwProtocol protocol of specified route
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* DWORD dwType type of specified route
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* DWORD dwIndex index of interface on which to add
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* DWORD dwDestVal destination IP addr (network order)
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* DWORD dwMaskVal destination subnet mask, or zero
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* if no subnet (network order)
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* DWORD dwGateVal next hop IP addr (network order)
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* DWORD dwMetric metric
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*
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* This function adds a new route (or updates an existing route)
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* for the specified protocol, on the specified interface.
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* (See above for values which can be used as protocol numbers,
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* as well as values which can be used as route entry types.)
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* If the route identified by dwIndex.dwDestVal.dwMaskVal.dwGateVal
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* already exists, it is updated with the specified protocol,
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* type, and metric.
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* The TCP stack will return an error on an attempt to add a route
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* whose destination is destination is longer than its mask.
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* In other words, this function fails if (dwDestVal & ~dwMaskVal)
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* is non-zero.
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*
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* Returns 0 if successful, non-zero otherwise.
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*------------------------------------------------------------------
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*/
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DWORD
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AddRoute(
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IN DWORD dwProtocol,
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IN DWORD dwType,
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IN DWORD dwIndex,
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IN DWORD dwDestVal,
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IN DWORD dwMaskVal,
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IN DWORD dwGateVal,
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IN DWORD dwMetric
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);
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/*
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*------------------------------------------------------------------
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* Function: DeleteRoute
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*
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* Parameters:
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* DWORD dwIndex index of interface from which to delete
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* DWORD dwDestVal destination IP addr (network order)
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* DWORD dwMaskVal subnet mask (network order)
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* DWORD dwGateVal next hop IP addr (network order)
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*
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* This function deletes a route to the specified destination.
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*
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* Returns 0 if successful, non-zero otherwise.
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*------------------------------------------------------------------
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*/
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DWORD
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DeleteRoute(
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IN DWORD dwIndex,
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IN DWORD dwDestVal,
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IN DWORD dwMaskVal,
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IN DWORD dwGateVal
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);
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/*
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*------------------------------------------------------------------
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* Function: ReloadIPAddressTable
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*
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* Parameters:
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* LPIPADDRESS_ENTRY
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* *lplpAddrTable pointer to an LPIPADDRESS_ENTRY
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* which receives the IP address table
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* LPDWORD lpdwAddrCount pointer to a DWORD which receives
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* the number of addresses in the table
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*
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* This function first queries the TCP/IP stack to rebuild its
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* IP interface and IP address tables.
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* Then this function allocates and fills in an array of address entry
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* structures corresponding to the logical IP interfaces in
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* the system. It also stores the number of entries in the array
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* in the DWORD pointed to by lpdwAddrCount.
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*
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* Call FreeIPAddressTable to free the memory allocated for the
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* address table.
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*
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* If the function fails, it sets *lpdwAddrCount to zero and
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* *lplpAddrTable to NULL.
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*
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* It returns 0 if successful and non-zero otherwise
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*------------------------------------------------------------------
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*/
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DWORD
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ReloadIPAddressTable(
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OUT PMIB_IPADDRROW *lplpAddrTable,
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OUT LPDWORD lpdwAddrCount
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);
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#endif /* _MAP_H_ */
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