dll/win32/iphlpapi/address.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS system libraries
   4  * FILE:            dll/win32/iphlpapi/address.c
   5  * PURPOSE:         iphlpapi implementation - Adapter Address APIs
   6  * PROGRAMMERS:     Jérôme Gardou (jerome.gardou@reactos.org)
   7  */
   8
   9 #include "iphlpapi_private.h"
  10
  11 WINE_DEFAULT_DEBUG_CHANNEL(iphlpapi);
  12 #ifdef GetAdaptersAddressesV2
  13 /* Helper for GetAdaptersAddresses:
  14  * Retrieves the list of network adapters from tcpip.sys */
  15 static
  16 NTSTATUS
  17 GetInterfacesList(
  18     _In_ HANDLE TcpFile,
  19     _Out_ TDIEntityID **EntityList,
  20     _Out_ ULONG* InterfaceCount)
  21 {
  22
  23     TCP_REQUEST_QUERY_INFORMATION_EX TcpQueryInfo;
  24     IO_STATUS_BLOCK StatusBlock;
  25     NTSTATUS Status;
  26     ULONG_PTR BufferSize;
  27
  28     ZeroMemory(&TcpQueryInfo, sizeof(TcpQueryInfo));
  29     TcpQueryInfo.ID.toi_class = INFO_CLASS_GENERIC;
  30     TcpQueryInfo.ID.toi_type = INFO_TYPE_PROVIDER;
  31     TcpQueryInfo.ID.toi_id = ENTITY_LIST_ID;
  32     TcpQueryInfo.ID.toi_entity.tei_entity = GENERIC_ENTITY;
  33     TcpQueryInfo.ID.toi_entity.tei_instance = 0;
  34
  35     Status = NtDeviceIoControlFile(
  36         TcpFile,
  37         NULL,
  38         NULL,
  39         NULL,
  40         &StatusBlock,
  41         IOCTL_TCP_QUERY_INFORMATION_EX,
  42         &TcpQueryInfo,
  43         sizeof(TcpQueryInfo),
  44         NULL,
  45         0);
  46     if (Status == STATUS_PENDING)
  47     {
  48         /* So we have to wait a bit */
  49         Status = NtWaitForSingleObject(TcpFile, FALSE, NULL);
  50         if (NT_SUCCESS(Status))
  51             Status = StatusBlock.Status;
  52     }
  53
  54     if (!NT_SUCCESS(Status))
  55         return Status;
  56
  57     BufferSize = StatusBlock.Information;
  58     *EntityList = HeapAlloc(GetProcessHeap(), 0, BufferSize);
  59     if (!*EntityList)
  60         return STATUS_NO_MEMORY;
  61
  62     /* Do the real call */
  63     Status = NtDeviceIoControlFile(
  64         TcpFile,
  65         NULL,
  66         NULL,
  67         NULL,
  68         &StatusBlock,
  69         IOCTL_TCP_QUERY_INFORMATION_EX,
  70         &TcpQueryInfo,
  71         sizeof(TcpQueryInfo),
  72         *EntityList,
  73         BufferSize);
  74     if (Status == STATUS_PENDING)
  75     {
  76         /* So we have to wait a bit */
  77         Status = NtWaitForSingleObject(TcpFile, FALSE, NULL);
  78         if (NT_SUCCESS(Status))
  79             Status = StatusBlock.Status;
  80     }
  81
  82     if (!NT_SUCCESS(Status))
  83     {
  84         HeapFree(GetProcessHeap(), 0, *EntityList);
  85         return Status;
  86     }
  87
  88     *InterfaceCount = BufferSize / sizeof(TDIEntityID);
  89     return Status;
  90 }
  91
  92 static
  93 NTSTATUS
  94 GetSnmpInfo(
  95     _In_ HANDLE TcpFile,
  96     _In_ TDIEntityID InterfaceID,
  97     _Out_ IPSNMPInfo* Info)
  98 {
  99     TCP_REQUEST_QUERY_INFORMATION_EX TcpQueryInfo;
 100     IO_STATUS_BLOCK StatusBlock;
 101     NTSTATUS Status;
 102
 103     ZeroMemory(&TcpQueryInfo, sizeof(TcpQueryInfo));
 104     TcpQueryInfo.ID.toi_class = INFO_CLASS_PROTOCOL;
 105     TcpQueryInfo.ID.toi_type = INFO_TYPE_PROVIDER;
 106     TcpQueryInfo.ID.toi_id = IP_MIB_STATS_ID;
 107     TcpQueryInfo.ID.toi_entity = InterfaceID;
 108
 109     Status = NtDeviceIoControlFile(
 110         TcpFile,
 111         NULL,
 112         NULL,
 113         NULL,
 114         &StatusBlock,
 115         IOCTL_TCP_QUERY_INFORMATION_EX,
 116         &TcpQueryInfo,
 117         sizeof(TcpQueryInfo),
 118         Info,
 119         sizeof(*Info));
 120     if (Status == STATUS_PENDING)
 121     {
 122         /* So we have to wait a bit */
 123         Status = NtWaitForSingleObject(TcpFile, FALSE, NULL);
 124         if (NT_SUCCESS(Status))
 125             Status = StatusBlock.Status;
 126     }
 127
 128     return Status;
 129 }
 130
 131 static
 132 NTSTATUS
 133 GetAddrEntries(
 134     _In_ HANDLE TcpFile,
 135     _In_ TDIEntityID InterfaceID,
 136     _Out_ IPAddrEntry* Entries,
 137     _In_ ULONG NumEntries)
 138 {
 139     TCP_REQUEST_QUERY_INFORMATION_EX TcpQueryInfo;
 140     IO_STATUS_BLOCK StatusBlock;
 141     NTSTATUS Status;
 142
 143     ZeroMemory(&TcpQueryInfo, sizeof(TcpQueryInfo));
 144     TcpQueryInfo.ID.toi_class = INFO_CLASS_PROTOCOL;
 145     TcpQueryInfo.ID.toi_type = INFO_TYPE_PROVIDER;
 146     TcpQueryInfo.ID.toi_id = IP_MIB_ADDRTABLE_ENTRY_ID;
 147     TcpQueryInfo.ID.toi_entity = InterfaceID;
 148
 149     Status = NtDeviceIoControlFile(
 150         TcpFile,
 151         NULL,
 152         NULL,
 153         NULL,
 154         &StatusBlock,
 155         IOCTL_TCP_QUERY_INFORMATION_EX,
 156         &TcpQueryInfo,
 157         sizeof(TcpQueryInfo),
 158         Entries,
 159         NumEntries * sizeof(Entries[0]));
 160     if (Status == STATUS_PENDING)
 161     {
 162         /* So we have to wait a bit */
 163         Status = NtWaitForSingleObject(TcpFile, FALSE, NULL);
 164         if (NT_SUCCESS(Status))
 165             Status = StatusBlock.Status;
 166     }
 167
 168     return Status;
 169 }
 170
 171 /*
 172  * Fills the IFEntry buffer from tcpip.sys.
 173  * The buffer size MUST be FIELD_OFFSET(IFEntry, if_descr[MAX_ADAPTER_DESCRIPTION_LENGTH + 1]).
 174  * See MSDN IFEntry struct definition if you don't believe me. ;-)
 175  */
 176 static
 177 NTSTATUS
 178 GetInterfaceEntry(
 179     _In_ HANDLE TcpFile,
 180     _In_ TDIEntityID InterfaceID,
 181     _Out_ IFEntry* Entry)
 182 {
 183     TCP_REQUEST_QUERY_INFORMATION_EX TcpQueryInfo;
 184     IO_STATUS_BLOCK StatusBlock;
 185     NTSTATUS Status;
 186
 187     ZeroMemory(&TcpQueryInfo, sizeof(TcpQueryInfo));
 188     TcpQueryInfo.ID.toi_class = INFO_CLASS_PROTOCOL;
 189     TcpQueryInfo.ID.toi_type = INFO_TYPE_PROVIDER;
 190     TcpQueryInfo.ID.toi_id = IP_MIB_STATS_ID;
 191     TcpQueryInfo.ID.toi_entity = InterfaceID;
 192
 193     Status = NtDeviceIoControlFile(
 194         TcpFile,
 195         NULL,
 196         NULL,
 197         NULL,
 198         &StatusBlock,
 199         IOCTL_TCP_QUERY_INFORMATION_EX,
 200         &TcpQueryInfo,
 201         sizeof(TcpQueryInfo),
 202         Entry,
 203         FIELD_OFFSET(IFEntry, if_descr[MAX_ADAPTER_DESCRIPTION_LENGTH + 1]));
 204     if (Status == STATUS_PENDING)
 205     {
 206         /* So we have to wait a bit */
 207         Status = NtWaitForSingleObject(TcpFile, FALSE, NULL);
 208         if (NT_SUCCESS(Status))
 209             Status = StatusBlock.Status;
 210     }
 211
 212     return Status;
 213 }
 214
 215 /* Helpers to get the list of DNS for an interface */
 216 static
 217 VOID
 218 EnumerateServerNameSize(
 219     _In_ PWCHAR Interface,
 220     _In_ PWCHAR NameServer,
 221     _Inout_ PVOID Data)
 222 {
 223     ULONG* BufferSize = Data;
 224
 225     /* This is just sizing here */
 226     UNREFERENCED_PARAMETER(Interface);
 227     UNREFERENCED_PARAMETER(NameServer);
 228
 229     *BufferSize += sizeof(IP_ADAPTER_DNS_SERVER_ADDRESS) + sizeof(SOCKADDR);
 230 }
 231
 232 static
 233 VOID
 234 EnumerateServerName(
 235     _In_ PWCHAR Interface,
 236     _In_ PWCHAR NameServer,
 237     _Inout_ PVOID Data)
 238 {
 239     PIP_ADAPTER_DNS_SERVER_ADDRESS** Ptr = Data;
 240     PIP_ADAPTER_DNS_SERVER_ADDRESS ServerAddress = **Ptr;
 241
 242     UNREFERENCED_PARAMETER(Interface);
 243
 244     ServerAddress->Length = sizeof(IP_ADAPTER_DNS_SERVER_ADDRESS);
 245     ServerAddress->Address.lpSockaddr = (PVOID)(ServerAddress + 1);
 246     ServerAddress->Address.iSockaddrLength = sizeof(SOCKADDR);
 247
 248
 249     /* Get the address from the server name string */
 250     //FIXME: Only ipv4 for now...
 251     if (WSAStringToAddressW(
 252         NameServer,
 253         AF_INET,
 254         NULL,
 255         ServerAddress->Address.lpSockaddr,
 256         &ServerAddress->Address.iSockaddrLength))
 257     {
 258         /* Pass along, name conversion failed */
 259         ERR("%S is not a valid IP address\n", NameServer);
 260         return;
 261     }
 262
 263     /* Go to next item */
 264     ServerAddress->Next = (PVOID)(ServerAddress->Address.lpSockaddr + 1);
 265     *Ptr = &ServerAddress->Next;
 266 }
 267
 268 DWORD
 269 WINAPI
 270 DECLSPEC_HOTPATCH
 271 GetAdaptersAddresses(
 272     _In_ ULONG Family,
 273     _In_ ULONG Flags,
 274     _In_ PVOID Reserved,
 275     _Inout_ PIP_ADAPTER_ADDRESSES pAdapterAddresses,
 276     _Inout_ PULONG pOutBufLen)
 277 {
 278     NTSTATUS Status;
 279     HANDLE TcpFile;
 280     TDIEntityID* InterfacesList;
 281     ULONG InterfacesCount;
 282     ULONG AdaptersCount = 0;
 283     ULONG i;
 284     ULONG TotalSize = 0, RemainingSize;
 285     BYTE* Ptr = (BYTE*)pAdapterAddresses;
 286     DWORD MIN_SIZE = 15 * 1024;
 287     PIP_ADAPTER_ADDRESSES PreviousAA = NULL;
 288
 289     FIXME("GetAdaptersAddresses - Semi Stub: Family %u, Flags 0x%08x, Reserved %p, pAdapterAddress %p, pOutBufLen %p.\n",
 290         Family, Flags, Reserved, pAdapterAddresses, pOutBufLen);
 291
 292     if (!pOutBufLen)
 293         return ERROR_INVALID_PARAMETER;
 294
 295     // FIXME: the exact needed size should be computed first, BEFORE doing any write to the output buffer.
 296     // As suggested by MSDN, require a 15 KB buffer, which allows to React properly to length checks.
 297     if(!Ptr || *pOutBufLen < MIN_SIZE)
 298     {
 299         *pOutBufLen = MIN_SIZE;
 300         return ERROR_BUFFER_OVERFLOW;
 301     }
 302
 303     switch(Family)
 304     {
 305         case AF_INET:
 306             break;
 307         case AF_INET6:
 308             /* One day maybe... */
 309             FIXME("IPv6 is not supported in ReactOS!\n");
 310             /* We got nothing to say in this case */
 311             return ERROR_NO_DATA;
 312             break;
 313         case AF_UNSPEC:
 314             WARN("IPv6 addresses ignored, IPv4 only\n");
 315             Family = AF_INET;
 316             break;
 317         default:
 318             ERR("Invalid family 0x%x\n", Family);
 319             return ERROR_INVALID_PARAMETER;
 320             break;
 321     }
 322
 323     RemainingSize = *pOutBufLen;
 324     if (Ptr)
 325         ZeroMemory(Ptr, RemainingSize);
 326
 327     /* open the tcpip driver */
 328     Status = openTcpFile(&TcpFile, FILE_READ_DATA);
 329     if (!NT_SUCCESS(Status))
 330     {
 331         ERR("Could not open handle to tcpip.sys. Status %08x\n", Status);
 332         return RtlNtStatusToDosError(Status);
 333     }
 334
 335     /* Get the interfaces list */
 336     Status = GetInterfacesList(TcpFile, &InterfacesList, &InterfacesCount);
 337     if (!NT_SUCCESS(Status))
 338     {
 339         ERR("Could not get adapters list. Status %08x\n", Status);
 340         NtClose(TcpFile);
 341         return RtlNtStatusToDosError(Status);
 342     }
 343
 344     /* Let's see if we got any adapter. */
 345     for (i = 0; i < InterfacesCount; i++)
 346     {
 347         PIP_ADAPTER_ADDRESSES CurrentAA = (PIP_ADAPTER_ADDRESSES)Ptr;
 348         ULONG CurrentAASize = 0;
 349
 350         if (InterfacesList[i].tei_entity == IF_ENTITY)
 351         {
 352             BYTE EntryBuffer[FIELD_OFFSET(IFEntry, if_descr) +
 353                              RTL_FIELD_SIZE(IFEntry, if_descr[0]) * (MAX_ADAPTER_DESCRIPTION_LENGTH + 1)];
 354             IFEntry* Entry = (IFEntry*)EntryBuffer;
 355
 356             /* Remember we got one */
 357             AdaptersCount++;
 358
 359             /* Set the pointer to this instance in the previous one*/
 360             if(PreviousAA)
 361                 PreviousAA->Next = CurrentAA;
 362
 363             /* Of course we need some space for the base structure. */
 364             CurrentAASize = sizeof(IP_ADAPTER_ADDRESSES);
 365
 366             /* Get the entry */
 367             Status = GetInterfaceEntry(TcpFile, InterfacesList[i], Entry);
 368             if (!NT_SUCCESS(Status))
 369                 goto Error;
 370
 371             TRACE("Got entity %*s, index %u.\n",
 372                 Entry->if_descrlen, &Entry->if_descr[0], Entry->if_index);
 373
 374             /* Add the adapter name */
 375             CurrentAASize += Entry->if_descrlen + sizeof(CHAR);
 376
 377             /* Add the DNS suffix */
 378             CurrentAASize += sizeof(WCHAR);
 379
 380             /* Add the description. */
 381             CurrentAASize += sizeof(WCHAR);
 382
 383             if (!(Flags & GAA_FLAG_SKIP_FRIENDLY_NAME))
 384             {
 385                 /* Just an empty string for now. */
 386                 FIXME("Should get adapter friendly name.\n");
 387                 CurrentAASize += sizeof(WCHAR);
 388             }
 389
 390             if (!(Flags & GAA_FLAG_SKIP_DNS_SERVER))
 391             {
 392                 /* Enumerate the name servers */
 393                 HKEY InterfaceKey;
 394                 CHAR KeyName[256];
 395
 396                 snprintf(KeyName, 256,
 397                     "SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces\\%*s",
 398                     Entry->if_descrlen, &Entry->if_descr[0]);
 399
 400                 if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, KeyName, 0, KEY_READ, &InterfaceKey) == ERROR_SUCCESS)
 401                 {
 402                     EnumNameServers(InterfaceKey, NULL, &CurrentAASize, EnumerateServerNameSize);
 403                     RegCloseKey(InterfaceKey);
 404                 }
 405             }
 406
 407             /* This is part of what we will need */
 408             TotalSize += CurrentAASize;
 409
 410             /* Fill in the data */
 411             if ((CurrentAA) && (RemainingSize >= CurrentAASize))
 412             {
 413                 CurrentAA->Length = sizeof(IP_ADAPTER_ADDRESSES);
 414                 CurrentAA->IfIndex = Entry->if_index;
 415                 CopyMemory(CurrentAA->PhysicalAddress, Entry->if_physaddr, Entry->if_physaddrlen);
 416                 CurrentAA->PhysicalAddressLength = Entry->if_physaddrlen;
 417                 CurrentAA->Flags = 0; // FIXME!
 418                 CurrentAA->Mtu = Entry->if_mtu;
 419                 CurrentAA->IfType = Entry->if_type;
 420                 if(Entry->if_operstatus >= IF_OPER_STATUS_CONNECTING)
 421                     CurrentAA->OperStatus = IfOperStatusUp;
 422                 else
 423                     CurrentAA->OperStatus = IfOperStatusDown;
 424
 425                 /* Next items */
 426                 Ptr = (BYTE*)(CurrentAA + 1);
 427
 428                 /* Now fill in the name */
 429                 CopyMemory(Ptr, &Entry->if_descr[0], Entry->if_descrlen);
 430                 CurrentAA->AdapterName = (PCHAR)Ptr;
 431                 CurrentAA->AdapterName[Entry->if_descrlen] = '\0';
 432                 /* Next items */
 433                 Ptr = (BYTE*)(CurrentAA->AdapterName + Entry->if_descrlen + 1);
 434
 435                 /* The DNS suffix */
 436                 CurrentAA->DnsSuffix = (PWCHAR)Ptr;
 437                 CurrentAA->DnsSuffix[0] = L'\0';
 438                 /* Next items */
 439                 Ptr = (BYTE*)(CurrentAA->DnsSuffix + 1);
 440
 441                 /* The description */
 442                 CurrentAA->Description = (PWCHAR)Ptr;
 443                 CurrentAA->Description[0] = L'\0';
 444                 /* Next items */
 445                 Ptr = (BYTE*)(CurrentAA->Description + 1);
 446
 447                 /* The friendly name */
 448                 if (!(Flags & GAA_FLAG_SKIP_FRIENDLY_NAME))
 449                 {
 450                     CurrentAA->FriendlyName = (PWCHAR)Ptr;
 451                     CurrentAA->FriendlyName[0] = L'\0';
 452                     /* Next items */
 453                     Ptr = (BYTE*)(CurrentAA->FriendlyName + 1);
 454                 }
 455
 456                 /* The DNS Servers */
 457                 if (!(Flags & GAA_FLAG_SKIP_DNS_SERVER))
 458                 {
 459                     /* Enumerate the name servers */
 460                     HKEY InterfaceKey;
 461                     CHAR KeyName[256];
 462
 463                     snprintf(KeyName, 256,
 464                         "SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces\\%*s",
 465                         Entry->if_descrlen, &Entry->if_descr[0]);
 466
 467                     if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, KeyName, 0, KEY_READ, &InterfaceKey) != ERROR_SUCCESS)
 468                     {
 469                         TRACE("Failed opening interface key for interface %*s\n", Entry->if_descrlen, &Entry->if_descr[0]);
 470                     }
 471                     else
 472                     {
 473                         PIP_ADAPTER_DNS_SERVER_ADDRESS* ServerAddressPtr;
 474
 475                         CurrentAA->FirstDnsServerAddress = (PIP_ADAPTER_DNS_SERVER_ADDRESS)Ptr;
 476                         ServerAddressPtr = &CurrentAA->FirstDnsServerAddress;
 477
 478                         EnumNameServers(InterfaceKey, NULL, &ServerAddressPtr, EnumerateServerName);
 479                         RegCloseKey(InterfaceKey);
 480
 481                         /* Set the last entry in the list as having NULL next member */
 482                         Ptr = (BYTE*)*ServerAddressPtr;
 483                         *ServerAddressPtr = NULL;
 484                     }
 485                 }
 486
 487                 /* We're done for this interface */
 488                 PreviousAA = CurrentAA;
 489                 RemainingSize -= CurrentAASize;
 490             }
 491         }
 492     }
 493
 494     if (AdaptersCount == 0)
 495     {
 496         /* Uh? Not even localhost ?! */
 497         ERR("No Adapters found!\n");
 498         *pOutBufLen = 0;
 499         return ERROR_NO_DATA;
 500     }
 501
 502     /* See if we have anything to add */
 503     // FIXME: Anycast and multicast
 504     if ((Flags & (GAA_FLAG_SKIP_UNICAST | GAA_FLAG_INCLUDE_PREFIX)) == GAA_FLAG_SKIP_UNICAST)
 505         goto Success;
 506
 507     /* Now fill in the addresses */
 508     for (i = 0; i < InterfacesCount; i++)
 509     {
 510         /* Look for network layers */
 511         if ((InterfacesList[i].tei_entity == CL_NL_ENTITY)
 512                 || (InterfacesList[i].tei_entity == CO_NL_ENTITY))
 513         {
 514             IPSNMPInfo SnmpInfo;
 515             PIP_ADAPTER_ADDRESSES CurrentAA = NULL;
 516             IPAddrEntry* AddrEntries;
 517             ULONG j;
 518
 519             /* Get its SNMP info */
 520             Status = GetSnmpInfo(TcpFile, InterfacesList[i], &SnmpInfo);
 521             if (!NT_SUCCESS(Status))
 522                 goto Error;
 523
 524             if (SnmpInfo.ipsi_numaddr == 0)
 525                 continue;
 526
 527             /* Allocate the address entry array and get them */
 528             AddrEntries = HeapAlloc(GetProcessHeap(),
 529                 HEAP_ZERO_MEMORY,
 530                 SnmpInfo.ipsi_numaddr * sizeof(AddrEntries[0]));
 531             if (!AddrEntries)
 532             {
 533                 Status = STATUS_NO_MEMORY;
 534                 goto Error;
 535             }
 536             Status = GetAddrEntries(TcpFile, InterfacesList[i], AddrEntries, SnmpInfo.ipsi_numaddr);
 537             if (!NT_SUCCESS(Status))
 538             {
 539                 HeapFree(GetProcessHeap(), 0, AddrEntries);
 540                 goto Error;
 541             }
 542
 543             for (j = 0; j < SnmpInfo.ipsi_numaddr; j++)
 544             {
 545                 /* Find the adapters struct for this address. */
 546                 if (pAdapterAddresses)
 547                 {
 548                     CurrentAA = pAdapterAddresses;
 549                     while (CurrentAA)
 550                     {
 551                         if (CurrentAA->IfIndex == AddrEntries[j].iae_index)
 552                             break;
 553
 554                         CurrentAA = CurrentAA->Next;
 555                     }
 556
 557                     if (!CurrentAA)
 558                     {
 559                         ERR("Got address for interface %u but no adapter was found for it.\n", AddrEntries[j].iae_index);
 560                         /* Go to the next address */
 561                         continue;
 562                     }
 563                 }
 564
 565                 TRACE("address is 0x%08x, mask is 0x%08x\n", AddrEntries[j].iae_addr, AddrEntries[j].iae_mask);
 566
 567                 //FIXME: For now reactos only supports unicast addresses
 568                 if (!(Flags & GAA_FLAG_SKIP_UNICAST))
 569                 {
 570                     ULONG Size = sizeof(IP_ADAPTER_UNICAST_ADDRESS) + sizeof(SOCKADDR);
 571
 572                     if (Ptr && (RemainingSize >= Size))
 573                     {
 574                         PIP_ADAPTER_UNICAST_ADDRESS UnicastAddress = (PIP_ADAPTER_UNICAST_ADDRESS)Ptr;
 575
 576                         /* Fill in the structure */
 577                         UnicastAddress->Length = sizeof(IP_ADAPTER_UNICAST_ADDRESS);
 578                         UnicastAddress->Next = CurrentAA->FirstUnicastAddress;
 579
 580                         // FIXME: Put meaningful value here
 581                         UnicastAddress->Flags = 0;
 582                         UnicastAddress->PrefixOrigin = IpPrefixOriginOther;
 583                         UnicastAddress->SuffixOrigin = IpSuffixOriginOther;
 584                         UnicastAddress->DadState = IpDadStatePreferred;
 585                         UnicastAddress->ValidLifetime = 0xFFFFFFFF;
 586                         UnicastAddress->PreferredLifetime = 0xFFFFFFFF;
 587
 588                         /* Set the address */
 589                         //FIXME: ipv4 only (again...)
 590                         UnicastAddress->Address.lpSockaddr = (LPSOCKADDR)(UnicastAddress + 1);
 591                         UnicastAddress->Address.iSockaddrLength = sizeof(SOCKADDR);
 592                         UnicastAddress->Address.lpSockaddr->sa_family = AF_INET;
 593                         ((LPSOCKADDR_IN)UnicastAddress->Address.lpSockaddr)->sin_port = 0;
 594                         memcpy(&((LPSOCKADDR_IN)UnicastAddress->Address.lpSockaddr)->sin_addr, &AddrEntries[j].iae_addr, sizeof(AddrEntries[j].iae_addr));
 595
 596                         CurrentAA->FirstUnicastAddress = UnicastAddress;
 597                         Ptr += Size;
 598                         RemainingSize -= Size;
 599                     }
 600
 601                     TotalSize += Size;
 602                 }
 603
 604                 if (Flags & GAA_FLAG_INCLUDE_PREFIX)
 605                 {
 606                     ULONG Size = sizeof(IP_ADAPTER_PREFIX) + sizeof(SOCKADDR);
 607
 608                     if (Ptr && (RemainingSize >= Size))
 609                     {
 610                         PIP_ADAPTER_PREFIX Prefix = (PIP_ADAPTER_PREFIX)Ptr;
 611
 612                         /* Fill in the structure */
 613                         Prefix->Length = sizeof(IP_ADAPTER_PREFIX);
 614                         Prefix->Next = CurrentAA->FirstPrefix;
 615
 616                         /* Set the address */
 617                         //FIXME: ipv4 only (again...)
 618                         Prefix->Address.lpSockaddr = (LPSOCKADDR)(Prefix + 1);
 619                         Prefix->Address.iSockaddrLength = sizeof(AddrEntries[j].iae_mask);
 620                         Prefix->Address.lpSockaddr->sa_family = AF_INET;
 621                         memcpy(Prefix->Address.lpSockaddr->sa_data, &AddrEntries[j].iae_mask, sizeof(AddrEntries[j].iae_mask));
 622
 623                         /* Compute the prefix size */
 624                         _BitScanReverse(&Prefix->PrefixLength, AddrEntries[j].iae_mask);
 625
 626                         CurrentAA->FirstPrefix = Prefix;
 627                         Ptr += Size;
 628                         RemainingSize -= Size;
 629                     }
 630
 631                     TotalSize += Size;
 632                 }
 633             }
 634
 635             HeapFree(GetProcessHeap(), 0, AddrEntries);
 636         }
 637     }
 638
 639 Success:
 640     /* We're done */
 641     HeapFree(GetProcessHeap(), 0, InterfacesList);
 642     NtClose(TcpFile);
 643     *pOutBufLen = TotalSize;
 644     TRACE("TotalSize: %x\n", *pOutBufLen);
 645     return ERROR_SUCCESS;
 646
 647 Error:
 648     ERR("Failed! Status 0x%08x\n", Status);
 649     *pOutBufLen = 0;
 650     HeapFree(GetProcessHeap(), 0, InterfacesList);
 651     NtClose(TcpFile);
 652     return RtlNtStatusToDosError(Status);
 653 }
 654 #endif