drivers/network/tcpip/tcpip/ninfo.c

   1 /*
   2  * COPYRIGHT:   See COPYING in the top level directory
   3  * PROJECT:     ReactOS TCP/IP protocol driver
   4  * FILE:        tcpip/ninfo.c
   5  * PURPOSE:     Network information
   6  * PROGRAMMERS: Art Yerkes
   7  * REVISIONS:
   8  *   CSH 01/08-2000 Created
   9  */
  10
  11 #include "precomp.h"
  12
  13 #define IP_ROUTE_TYPE_ADD 3
  14 #define IP_ROUTE_TYPE_DEL 2
  15
  16 /* Get IPRouteEntry s for each of the routes in the system */
  17 TDI_STATUS InfoTdiQueryGetRouteTable( PIP_INTERFACE IF, PNDIS_BUFFER Buffer, PUINT BufferSize ) {
  18     TDI_STATUS Status;
  19     KIRQL OldIrql;
  20     UINT RtCount = CountFIBs(IF);
  21     UINT Size = sizeof( IPROUTE_ENTRY ) * RtCount;
  22     PFIB_ENTRY RCache, RCacheCur;
  23     PIPROUTE_ENTRY RouteEntries, RtCurrent;
  24     UINT i;
  25
  26     TI_DbgPrint(DEBUG_INFO, ("Called, routes = %d\n",
  27                             RtCount));
  28
  29     if (RtCount == 0)
  30         return InfoCopyOut(NULL, 0, NULL, BufferSize);
  31
  32     RouteEntries = ExAllocatePool( NonPagedPool, Size );
  33     RtCurrent = RouteEntries;
  34
  35     RCache = ExAllocatePool( NonPagedPool, sizeof( FIB_ENTRY ) * RtCount );
  36     RCacheCur = RCache;
  37
  38     if( !RCache || !RouteEntries ) {
  39         if( RCache ) ExFreePool( RCache );
  40         if( RouteEntries ) ExFreePool( RouteEntries );
  41         return TDI_NO_RESOURCES;
  42     }
  43
  44     RtlZeroMemory( RouteEntries, Size );
  45
  46     RtCount = CopyFIBs( IF, RCache );
  47
  48     while( RtCurrent < RouteEntries + RtCount ) {
  49         ASSERT(RCacheCur->Router);
  50
  51         RtlCopyMemory( &RtCurrent->Dest,
  52                        &RCacheCur->NetworkAddress.Address,
  53                        sizeof(RtCurrent->Dest) );
  54         RtlCopyMemory( &RtCurrent->Mask,
  55                        &RCacheCur->Netmask.Address,
  56                        sizeof(RtCurrent->Mask) );
  57         RtlCopyMemory( &RtCurrent->Gw,
  58                        &RCacheCur->Router->Address.Address,
  59                        sizeof(RtCurrent->Gw) );
  60
  61         RtCurrent->Metric1 = RCacheCur->Metric;
  62         RtCurrent->Type = TDI_ADDRESS_TYPE_IP;
  63
  64         TI_DbgPrint
  65             (DEBUG_INFO,
  66              ("%d: NA %08x NM %08x GW %08x MT %x\n",
  67               RtCurrent - RouteEntries,
  68               RtCurrent->Dest,
  69               RtCurrent->Mask,
  70               RtCurrent->Gw,
  71               RtCurrent->Metric1 ));
  72
  73         TcpipAcquireSpinLock(&EntityListLock, &OldIrql);
  74         for (i = 0; i < EntityCount; i++)
  75              if (EntityList[i].context == IF)
  76                  break;
  77
  78         if (i < EntityCount)
  79             RtCurrent->Index = EntityList[i].tei_instance;
  80         else
  81             RtCurrent->Index = 0;
  82
  83         TcpipReleaseSpinLock(&EntityListLock, OldIrql);
  84
  85         RtCurrent++; RCacheCur++;
  86     }
  87
  88     Status = InfoCopyOut( (PCHAR)RouteEntries, Size, Buffer, BufferSize );
  89
  90     ExFreePool( RouteEntries );
  91     ExFreePool( RCache );
  92
  93     TI_DbgPrint(DEBUG_INFO, ("Returning %08x\n", Status));
  94
  95     return Status;
  96 }
  97
  98 TDI_STATUS InfoTdiQueryGetAddrTable(TDIEntityID ID,
  99                                     PNDIS_BUFFER Buffer,
 100                                     PUINT BufferSize)
 101 {
 102     KIRQL OldIrql;
 103     PIPADDR_ENTRY IPEntry;
 104     PIP_INTERFACE CurrentIF;
 105     UINT i;
 106
 107     TI_DbgPrint(DEBUG_INFO, ("Called.\n"));
 108
 109
 110     TcpipAcquireSpinLock(&EntityListLock, &OldIrql);
 111
 112     for (i = 0; i < EntityCount; i++)
 113     {
 114         if (EntityList[i].tei_entity == ID.tei_entity &&
 115             EntityList[i].tei_instance == ID.tei_instance)
 116             break;
 117     }
 118
 119     if (i == EntityCount)
 120     {
 121         TcpipReleaseSpinLock(&EntityListLock, OldIrql);
 122         return TDI_INVALID_PARAMETER;
 123     }
 124
 125     IPEntry = ExAllocatePool(NonPagedPool, sizeof(IPADDR_ENTRY));
 126     if (!IPEntry)
 127     {
 128         TcpipReleaseSpinLock(&EntityListLock, OldIrql);
 129         return TDI_NO_RESOURCES;
 130     }
 131
 132     CurrentIF = EntityList[i].context;
 133
 134     IPEntry->Index = CurrentIF->Index;
 135     GetInterfaceIPv4Address(CurrentIF,
 136                             ADE_UNICAST,
 137                             &IPEntry->Addr);
 138     GetInterfaceIPv4Address(CurrentIF,
 139                             ADE_ADDRMASK,
 140                             &IPEntry->Mask);
 141     GetInterfaceIPv4Address(CurrentIF,
 142                             ADE_BROADCAST,
 143                             &IPEntry->BcastAddr);
 144
 145     TcpipReleaseSpinLock(&EntityListLock, OldIrql);
 146
 147     InfoCopyOut((PCHAR)IPEntry, sizeof(IPADDR_ENTRY),
 148                 Buffer, BufferSize);
 149
 150     ExFreePool(IPEntry);
 151
 152     return TDI_SUCCESS;
 153 }
 154
 155 TDI_STATUS InfoTdiQueryGetIPSnmpInfo( TDIEntityID ID,
 156                                       PIP_INTERFACE IF,
 157                                       PNDIS_BUFFER Buffer,
 158                                       PUINT BufferSize ) {
 159     IPSNMP_INFO SnmpInfo;
 160     UINT IfCount = CountInterfaces();
 161     UINT RouteCount = CountFIBs(IF);
 162     TDI_STATUS Status = TDI_INVALID_REQUEST;
 163
 164     TI_DbgPrint(DEBUG_INFO, ("Called.\n"));
 165
 166     RtlZeroMemory(&SnmpInfo, sizeof(IPSNMP_INFO));
 167
 168     SnmpInfo.NumIf = IfCount;
 169     SnmpInfo.NumAddr = 1;
 170     SnmpInfo.NumRoutes = RouteCount;
 171
 172     Status = InfoCopyOut( (PCHAR)&SnmpInfo, sizeof(SnmpInfo),
 173                           Buffer, BufferSize );
 174
 175     TI_DbgPrint(DEBUG_INFO, ("Returning %08x\n", Status));
 176
 177     return Status;
 178 }
 179
 180 TDI_STATUS InfoTdiSetRoute(PIP_INTERFACE IF, PVOID Buffer, UINT BufferSize)
 181 {
 182     IP_ADDRESS Address, Netmask, Router;
 183     PIPROUTE_ENTRY Route = Buffer;
 184
 185     AddrInitIPv4( &Address, Route->Dest );
 186     AddrInitIPv4( &Netmask, Route->Mask );
 187     AddrInitIPv4( &Router,  Route->Gw );
 188
 189     if (!Buffer || BufferSize < sizeof(IPROUTE_ENTRY))
 190         return TDI_INVALID_PARAMETER;
 191
 192     if (IF == Loopback)
 193     {
 194         DbgPrint("Failing attempt to add route to loopback adapter\n");
 195         return TDI_INVALID_PARAMETER;
 196     }
 197
 198     if( Route->Type == IP_ROUTE_TYPE_ADD ) { /* Add the route */
 199         TI_DbgPrint(DEBUG_INFO,("Adding route (%s)\n", A2S(&Address)));
 200         if (!RouterCreateRoute( &Address, &Netmask, &Router,
 201                                IF, Route->Metric1))
 202             return TDI_NO_RESOURCES;
 203
 204         return TDI_SUCCESS;
 205      } else if( Route->Type == IP_ROUTE_TYPE_DEL ) {
 206         TI_DbgPrint(DEBUG_INFO,("Removing route (%s)\n", A2S(&Address)));
 207         if (NT_SUCCESS(RouterRemoveRoute( &Address, &Router )))
 208             return TDI_SUCCESS;
 209         else
 210             return TDI_INVALID_PARAMETER;
 211      }
 212
 213      return TDI_INVALID_REQUEST;
 214 }